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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#nullable disable
using System.Linq;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.CSharp.Test.Utilities;
using Microsoft.CodeAnalysis.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.CSharp.UnitTests
{
public class IOperationTests_IObjectCreationExpression : SemanticModelTestBase
{
private static readonly CSharpParseOptions ImplicitObjectCreationOptions = TestOptions.Regular9;
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithArguments()
{
string source = @"
class C
{
public C(byte i, long j)
{
}
void M()
/*<bind>*/{
C x1 = new(3, 4);
C x2 = new(j: 3, i: 4);
C x3 = new(3, j: 4);
C x4 = new(i: 3, 4);
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IBlockOperation (4 statements, 4 locals) (OperationKind.Block, Type: null) (Syntax: '{ ... }')
Locals: Local_1: C x1
Local_2: C x2
Local_3: C x3
Local_4: C x4
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'C x1 = new(3, 4);')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'C x1 = new(3, 4)')
Declarators:
IVariableDeclaratorOperation (Symbol: C x1) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x1 = new(3, 4)')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new(3, 4)')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C, IsImplicit) (Syntax: 'new(3, 4)')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: C..ctor(System.Byte i, System.Int64 j)) (OperationKind.ObjectCreation, Type: C) (Syntax: 'new(3, 4)')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '3')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Byte, Constant: 3, IsImplicit) (Syntax: '3')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: j) (OperationKind.Argument, Type: null) (Syntax: '4')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Int64, Constant: 4, IsImplicit) (Syntax: '4')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: True, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
null
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'C x2 = new(j: 3, i: 4);')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'C x2 = new(j: 3, i: 4)')
Declarators:
IVariableDeclaratorOperation (Symbol: C x2) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x2 = new(j: 3, i: 4)')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new(j: 3, i: 4)')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C, IsImplicit) (Syntax: 'new(j: 3, i: 4)')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: C..ctor(System.Byte i, System.Int64 j)) (OperationKind.ObjectCreation, Type: C) (Syntax: 'new(j: 3, i: 4)')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: j) (OperationKind.Argument, Type: null) (Syntax: 'j: 3')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Int64, Constant: 3, IsImplicit) (Syntax: '3')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: True, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i: 4')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Byte, Constant: 4, IsImplicit) (Syntax: '4')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
null
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'C x3 = new(3, j: 4);')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'C x3 = new(3, j: 4)')
Declarators:
IVariableDeclaratorOperation (Symbol: C x3) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x3 = new(3, j: 4)')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new(3, j: 4)')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C, IsImplicit) (Syntax: 'new(3, j: 4)')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: C..ctor(System.Byte i, System.Int64 j)) (OperationKind.ObjectCreation, Type: C) (Syntax: 'new(3, j: 4)')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '3')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Byte, Constant: 3, IsImplicit) (Syntax: '3')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: j) (OperationKind.Argument, Type: null) (Syntax: 'j: 4')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Int64, Constant: 4, IsImplicit) (Syntax: '4')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: True, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
null
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'C x4 = new(i: 3, 4);')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'C x4 = new(i: 3, 4)')
Declarators:
IVariableDeclaratorOperation (Symbol: C x4) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x4 = new(i: 3, 4)')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new(i: 3, 4)')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C, IsImplicit) (Syntax: 'new(i: 3, 4)')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: C..ctor(System.Byte i, System.Int64 j)) (OperationKind.ObjectCreation, Type: C) (Syntax: 'new(i: 3, 4)')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i: 3')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Byte, Constant: 3, IsImplicit) (Syntax: '3')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: j) (OperationKind.Argument, Type: null) (Syntax: '4')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Int64, Constant: 4, IsImplicit) (Syntax: '4')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: True, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
null
Initializer:
null
";
VerifyOperationTreeAndDiagnosticsForTest<BlockSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithMemberInitializers()
{
var comp = CreateCompilation(@"
struct B
{
public bool Field;
}
class F
{
public int Field;
public string Property1 { set; get; }
public B Property2 { set; get; }
}
class C
{
public void M1()
/*<bind>*/{
F x1 = new();
F x2 = new() { Field = 2 };
F x3 = new() { Property1 = """" };
F x4 = new() { Property1 = """", Field = 2 };
F x5 = new() { Property2 = new B { Field = true } };
F e1 = new() { Property2 = 1 };
F e2 = new() { """" };
}/*</bind>*/
}
");
string expectedOperationTree = @"
IBlockOperation (7 statements, 7 locals) (OperationKind.Block, Type: null, IsInvalid) (Syntax: '{ ... }')
Locals: Local_1: F x1
Local_2: F x2
Local_3: F x3
Local_4: F x4
Local_5: F x5
Local_6: F e1
Local_7: F e2
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'F x1 = new();')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'F x1 = new()')
Declarators:
IVariableDeclaratorOperation (Symbol: F x1) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x1 = new()')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new()')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsImplicit) (Syntax: 'new()')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new()')
Arguments(0)
Initializer:
null
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'F x2 = new( ... ield = 2 };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'F x2 = new( ... Field = 2 }')
Declarators:
IVariableDeclaratorOperation (Symbol: F x2) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x2 = new() { Field = 2 }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new() { Field = 2 }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsImplicit) (Syntax: 'new() { Field = 2 }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new() { Field = 2 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F) (Syntax: '{ Field = 2 }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'Field = 2')
Left:
IFieldReferenceOperation: System.Int32 F.Field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'Field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Field')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'F x3 = new( ... ty1 = """" };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'F x3 = new( ... rty1 = """" }')
Declarators:
IVariableDeclaratorOperation (Symbol: F x3) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x3 = new() ... rty1 = """" }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new() { P ... rty1 = """" }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsImplicit) (Syntax: 'new() { Property1 = """" }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new() { Property1 = """" }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F) (Syntax: '{ Property1 = """" }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.String) (Syntax: 'Property1 = """"')
Left:
IPropertyReferenceOperation: System.String F.Property1 { get; set; } (OperationKind.PropertyReference, Type: System.String) (Syntax: 'Property1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Property1')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.String, Constant: """") (Syntax: '""""')
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'F x4 = new( ... ield = 2 };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'F x4 = new( ... Field = 2 }')
Declarators:
IVariableDeclaratorOperation (Symbol: F x4) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x4 = new() ... Field = 2 }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new() { P ... Field = 2 }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsImplicit) (Syntax: 'new() { Pro ... Field = 2 }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new() { Pro ... Field = 2 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F) (Syntax: '{ Property1 ... Field = 2 }')
Initializers(2):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.String) (Syntax: 'Property1 = """"')
Left:
IPropertyReferenceOperation: System.String F.Property1 { get; set; } (OperationKind.PropertyReference, Type: System.String) (Syntax: 'Property1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Property1')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.String, Constant: """") (Syntax: '""""')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'Field = 2')
Left:
IFieldReferenceOperation: System.Int32 F.Field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'Field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Field')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'F x5 = new( ... = true } };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'F x5 = new( ... = true } }')
Declarators:
IVariableDeclaratorOperation (Symbol: F x5) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x5 = new() ... = true } }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new() { P ... = true } }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsImplicit) (Syntax: 'new() { Pro ... = true } }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new() { Pro ... = true } }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F) (Syntax: '{ Property2 ... = true } }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: B) (Syntax: 'Property2 = ... ld = true }')
Left:
IPropertyReferenceOperation: B F.Property2 { get; set; } (OperationKind.PropertyReference, Type: B) (Syntax: 'Property2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Property2')
Right:
IObjectCreationOperation (Constructor: B..ctor()) (OperationKind.ObjectCreation, Type: B) (Syntax: 'new B { Field = true }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: B) (Syntax: '{ Field = true }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Boolean) (Syntax: 'Field = true')
Left:
IFieldReferenceOperation: System.Boolean B.Field (OperationKind.FieldReference, Type: System.Boolean) (Syntax: 'Field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: B, IsImplicit) (Syntax: 'Field')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Boolean, Constant: True) (Syntax: 'true')
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null, IsInvalid) (Syntax: 'F e1 = new( ... rty2 = 1 };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null, IsInvalid) (Syntax: 'F e1 = new( ... erty2 = 1 }')
Declarators:
IVariableDeclaratorOperation (Symbol: F e1) (OperationKind.VariableDeclarator, Type: null, IsInvalid) (Syntax: 'e1 = new() ... erty2 = 1 }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null, IsInvalid) (Syntax: '= new() { P ... erty2 = 1 }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsInvalid, IsImplicit) (Syntax: 'new() { Property2 = 1 }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F, IsInvalid) (Syntax: 'new() { Property2 = 1 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F, IsInvalid) (Syntax: '{ Property2 = 1 }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: B, IsInvalid) (Syntax: 'Property2 = 1')
Left:
IPropertyReferenceOperation: B F.Property2 { get; set; } (OperationKind.PropertyReference, Type: B) (Syntax: 'Property2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Property2')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: B, IsInvalid, IsImplicit) (Syntax: '1')
Conversion: CommonConversion (Exists: False, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsInvalid) (Syntax: '1')
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null, IsInvalid) (Syntax: 'F e2 = new() { """" };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null, IsInvalid) (Syntax: 'F e2 = new() { """" }')
Declarators:
IVariableDeclaratorOperation (Symbol: F e2) (OperationKind.VariableDeclarator, Type: null, IsInvalid) (Syntax: 'e2 = new() { """" }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null, IsInvalid) (Syntax: '= new() { """" }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsInvalid, IsImplicit) (Syntax: 'new() { """" }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F, IsInvalid) (Syntax: 'new() { """" }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F, IsInvalid) (Syntax: '{ """" }')
Initializers(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: '""""')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.String, Constant: """", IsInvalid) (Syntax: '""""')
Initializer:
null
";
var expectedDiagnostics = new DiagnosticDescription[] {
// file.cs(21,36): error CS0029: Cannot implicitly convert type 'int' to 'B'
// F e1 = new() { Property2 = 1 };
Diagnostic(ErrorCode.ERR_NoImplicitConv, "1").WithArguments("int", "B").WithLocation(21, 36),
// file.cs(22,22): error CS1922: Cannot initialize type 'F' with a collection initializer because it does not implement 'System.Collections.IEnumerable'
// F e2 = new() { "" };
Diagnostic(ErrorCode.ERR_CollectionInitRequiresIEnumerable, @"{ """" }").WithArguments("F").WithLocation(22, 22)
};
VerifyOperationTreeAndDiagnosticsForTest<BlockSyntax>(comp, expectedOperationTree, expectedDiagnostics);
VerifyFlowGraphForTest<BlockSyntax>(comp, @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [F x1] [F x2] [F x3] [F x4] [F x5] [F e1] [F e2]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: F, IsImplicit) (Syntax: 'x1 = new()')
Left:
ILocalReferenceOperation: x1 (IsDeclaration: True) (OperationKind.LocalReference, Type: F, IsImplicit) (Syntax: 'x1 = new()')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsImplicit) (Syntax: 'new()')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new()')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [0]
Block[B2] - Block
Predecessors: [B1]
Statements (3)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new() { Field = 2 }')
Value:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new() { Field = 2 }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'Field = 2')
Left:
IFieldReferenceOperation: System.Int32 F.Field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'Field')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: F, IsImplicit) (Syntax: 'new() { Field = 2 }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: F, IsImplicit) (Syntax: 'x2 = new() { Field = 2 }')
Left:
ILocalReferenceOperation: x2 (IsDeclaration: True) (OperationKind.LocalReference, Type: F, IsImplicit) (Syntax: 'x2 = new() { Field = 2 }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsImplicit) (Syntax: 'new() { Field = 2 }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: F, IsImplicit) (Syntax: 'new() { Field = 2 }')
Next (Regular) Block[B3]
Leaving: {R2}
Entering: {R3}
}
.locals {R3}
{
CaptureIds: [1]
Block[B3] - Block
Predecessors: [B2]
Statements (3)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new() { Property1 = """" }')
Value:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new() { Property1 = """" }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.String) (Syntax: 'Property1 = """"')
Left:
IPropertyReferenceOperation: System.String F.Property1 { get; set; } (OperationKind.PropertyReference, Type: System.String) (Syntax: 'Property1')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: F, IsImplicit) (Syntax: 'new() { Property1 = """" }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.String, Constant: """") (Syntax: '""""')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: F, IsImplicit) (Syntax: 'x3 = new() ... rty1 = """" }')
Left:
ILocalReferenceOperation: x3 (IsDeclaration: True) (OperationKind.LocalReference, Type: F, IsImplicit) (Syntax: 'x3 = new() ... rty1 = """" }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsImplicit) (Syntax: 'new() { Property1 = """" }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: F, IsImplicit) (Syntax: 'new() { Property1 = """" }')
Next (Regular) Block[B4]
Leaving: {R3}
Entering: {R4}
}
.locals {R4}
{
CaptureIds: [2]
Block[B4] - Block
Predecessors: [B3]
Statements (4)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new() { Pro ... Field = 2 }')
Value:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new() { Pro ... Field = 2 }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.String) (Syntax: 'Property1 = """"')
Left:
IPropertyReferenceOperation: System.String F.Property1 { get; set; } (OperationKind.PropertyReference, Type: System.String) (Syntax: 'Property1')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: F, IsImplicit) (Syntax: 'new() { Pro ... Field = 2 }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.String, Constant: """") (Syntax: '""""')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'Field = 2')
Left:
IFieldReferenceOperation: System.Int32 F.Field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'Field')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: F, IsImplicit) (Syntax: 'new() { Pro ... Field = 2 }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: F, IsImplicit) (Syntax: 'x4 = new() ... Field = 2 }')
Left:
ILocalReferenceOperation: x4 (IsDeclaration: True) (OperationKind.LocalReference, Type: F, IsImplicit) (Syntax: 'x4 = new() ... Field = 2 }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsImplicit) (Syntax: 'new() { Pro ... Field = 2 }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: F, IsImplicit) (Syntax: 'new() { Pro ... Field = 2 }')
Next (Regular) Block[B5]
Leaving: {R4}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [3]
Block[B5] - Block
Predecessors: [B4]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new() { Pro ... = true } }')
Value:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new() { Pro ... = true } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B6]
Entering: {R6}
.locals {R6}
{
CaptureIds: [4]
Block[B6] - Block
Predecessors: [B5]
Statements (3)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new B { Field = true }')
Value:
IObjectCreationOperation (Constructor: B..ctor()) (OperationKind.ObjectCreation, Type: B) (Syntax: 'new B { Field = true }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Boolean) (Syntax: 'Field = true')
Left:
IFieldReferenceOperation: System.Boolean B.Field (OperationKind.FieldReference, Type: System.Boolean) (Syntax: 'Field')
Instance Receiver:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: B, IsImplicit) (Syntax: 'new B { Field = true }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Boolean, Constant: True) (Syntax: 'true')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: B) (Syntax: 'Property2 = ... ld = true }')
Left:
IPropertyReferenceOperation: B F.Property2 { get; set; } (OperationKind.PropertyReference, Type: B) (Syntax: 'Property2')
Instance Receiver:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: F, IsImplicit) (Syntax: 'new() { Pro ... = true } }')
Right:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: B, IsImplicit) (Syntax: 'new B { Field = true }')
Next (Regular) Block[B7]
Leaving: {R6}
}
Block[B7] - Block
Predecessors: [B6]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: F, IsImplicit) (Syntax: 'x5 = new() ... = true } }')
Left:
ILocalReferenceOperation: x5 (IsDeclaration: True) (OperationKind.LocalReference, Type: F, IsImplicit) (Syntax: 'x5 = new() ... = true } }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsImplicit) (Syntax: 'new() { Pro ... = true } }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: F, IsImplicit) (Syntax: 'new() { Pro ... = true } }')
Next (Regular) Block[B8]
Leaving: {R5}
Entering: {R7}
}
.locals {R7}
{
CaptureIds: [5]
Block[B8] - Block
Predecessors: [B7]
Statements (3)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new() { Property2 = 1 }')
Value:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F, IsInvalid) (Syntax: 'new() { Property2 = 1 }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: B, IsInvalid) (Syntax: 'Property2 = 1')
Left:
IPropertyReferenceOperation: B F.Property2 { get; set; } (OperationKind.PropertyReference, Type: B) (Syntax: 'Property2')
Instance Receiver:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: F, IsInvalid, IsImplicit) (Syntax: 'new() { Property2 = 1 }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: B, IsInvalid, IsImplicit) (Syntax: '1')
Conversion: CommonConversion (Exists: False, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(NoConversion)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsInvalid) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: F, IsInvalid, IsImplicit) (Syntax: 'e1 = new() ... erty2 = 1 }')
Left:
ILocalReferenceOperation: e1 (IsDeclaration: True) (OperationKind.LocalReference, Type: F, IsInvalid, IsImplicit) (Syntax: 'e1 = new() ... erty2 = 1 }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsInvalid, IsImplicit) (Syntax: 'new() { Property2 = 1 }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: F, IsInvalid, IsImplicit) (Syntax: 'new() { Property2 = 1 }')
Next (Regular) Block[B9]
Leaving: {R7}
Entering: {R8}
}
.locals {R8}
{
CaptureIds: [6]
Block[B9] - Block
Predecessors: [B8]
Statements (3)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new() { """" }')
Value:
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F, IsInvalid) (Syntax: 'new() { """" }')
Arguments(0)
Initializer:
null
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: '""""')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.String, Constant: """", IsInvalid) (Syntax: '""""')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: F, IsInvalid, IsImplicit) (Syntax: 'e2 = new() { """" }')
Left:
ILocalReferenceOperation: e2 (IsDeclaration: True) (OperationKind.LocalReference, Type: F, IsInvalid, IsImplicit) (Syntax: 'e2 = new() { """" }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: F, IsInvalid, IsImplicit) (Syntax: 'new() { """" }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: F, IsInvalid, IsImplicit) (Syntax: 'new() { """" }')
Next (Regular) Block[B10]
Leaving: {R8} {R1}
}
}
Block[B10] - Exit
Predecessors: [B9]
Statements (0)
");
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithCollectionInitializer()
{
string source = @"
using System.Collections.Generic;
class C
{
private readonly int field;
public void M1(int x)
{
int y = 0;
List<int> x1 = /*<bind>*/new() { x, y, field }/*</bind>*/;
}
}
";
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: System.Collections.Generic.List<System.Int32>..ctor()) (OperationKind.ObjectCreation, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'new() { x, y, field }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.List<System.Int32>) (Syntax: '{ x, y, field }')
Initializers(3):
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'x')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'new() { x, y, field }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'x')
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'x')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'y')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'new() { x, y, field }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'y')
ILocalReferenceOperation: y (OperationKind.LocalReference, Type: System.Int32) (Syntax: 'y')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'new() { x, y, field }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'field')
IFieldReferenceOperation: System.Int32 C.field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'field')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
var expectedDiagnostics = new DiagnosticDescription[] {
// file.cs(5,23): warning CS0649: Field 'C.field' is never assigned to, and will always have its default value 0
// private readonly int field;
Diagnostic(ErrorCode.WRN_UnassignedInternalField, "field").WithArguments("C.field", "0").WithLocation(5, 26)
};
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithNestedCollectionInitializer()
{
var comp = CreateCompilation(@"
using System.Collections.Generic;
using System.Linq;
class C
{
private readonly int field = 0;
public void M1(int x)
{
int y = 0;
List<List<int>> x1 = /*<bind>*/new() {
new[] { x, y }.ToList(),
new() { field }
}/*</bind>*/;
}
}
");
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>..ctor()) (OperationKind.ObjectCreation, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>) (Syntax: 'new() { ... }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>) (Syntax: '{ ... }')
Initializers(2):
IInvocationOperation ( void System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>.Add(System.Collections.Generic.List<System.Int32> item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'new[] { x, y }.ToList()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>, IsImplicit) (Syntax: 'new() { ... }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new[] { x, y }.ToList()')
IInvocationOperation (System.Collections.Generic.List<System.Int32> System.Linq.Enumerable.ToList<System.Int32>(this System.Collections.Generic.IEnumerable<System.Int32> source)) (OperationKind.Invocation, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'new[] { x, y }.ToList()')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: source) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new[] { x, y }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Collections.Generic.IEnumerable<System.Int32>, IsImplicit) (Syntax: 'new[] { x, y }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
Operand:
IArrayCreationOperation (OperationKind.ArrayCreation, Type: System.Int32[]) (Syntax: 'new[] { x, y }')
Dimension Sizes(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2, IsImplicit) (Syntax: 'new[] { x, y }')
Initializer:
IArrayInitializerOperation (2 elements) (OperationKind.ArrayInitializer, Type: null) (Syntax: '{ x, y }')
Element Values(2):
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'x')
ILocalReferenceOperation: y (OperationKind.LocalReference, Type: System.Int32) (Syntax: 'y')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>.Add(System.Collections.Generic.List<System.Int32> item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'new() { field }')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>, IsImplicit) (Syntax: 'new() { ... }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new() { field }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'new() { field }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IObjectCreationOperation (Constructor: System.Collections.Generic.List<System.Int32>..ctor()) (OperationKind.ObjectCreation, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'new() { field }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.List<System.Int32>) (Syntax: '{ field }')
Initializers(1):
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'new() { field }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'field')
IFieldReferenceOperation: System.Int32 C.field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'field')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(comp, expectedOperationTree, expectedDiagnostics);
var m1 = comp.SyntaxTrees[0].GetRoot().DescendantNodes().OfType<MethodDeclarationSyntax>().Single();
VerifyFlowGraph(comp, m1, @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [System.Int32 y] [System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>> x1]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32, IsImplicit) (Syntax: 'y = 0')
Left:
ILocalReferenceOperation: y (IsDeclaration: True) (OperationKind.LocalReference, Type: System.Int32, IsImplicit) (Syntax: 'y = 0')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [0]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new() { ... }')
Value:
IObjectCreationOperation (Constructor: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>..ctor()) (OperationKind.ObjectCreation, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>) (Syntax: 'new() { ... }')
Arguments(0)
Initializer:
null
IInvocationOperation ( void System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>.Add(System.Collections.Generic.List<System.Int32> item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'new[] { x, y }.ToList()')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>, IsImplicit) (Syntax: 'new() { ... }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new[] { x, y }.ToList()')
IInvocationOperation (System.Collections.Generic.List<System.Int32> System.Linq.Enumerable.ToList<System.Int32>(this System.Collections.Generic.IEnumerable<System.Int32> source)) (OperationKind.Invocation, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'new[] { x, y }.ToList()')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: source) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new[] { x, y }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Collections.Generic.IEnumerable<System.Int32>, IsImplicit) (Syntax: 'new[] { x, y }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
IArrayCreationOperation (OperationKind.ArrayCreation, Type: System.Int32[]) (Syntax: 'new[] { x, y }')
Dimension Sizes(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2, IsImplicit) (Syntax: 'new[] { x, y }')
Initializer:
IArrayInitializerOperation (2 elements) (OperationKind.ArrayInitializer, Type: null) (Syntax: '{ x, y }')
Element Values(2):
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'x')
ILocalReferenceOperation: y (OperationKind.LocalReference, Type: System.Int32) (Syntax: 'y')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B3]
Entering: {R3}
.locals {R3}
{
CaptureIds: [1]
Block[B3] - Block
Predecessors: [B2]
Statements (3)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new() { field }')
Value:
IObjectCreationOperation (Constructor: System.Collections.Generic.List<System.Int32>..ctor()) (OperationKind.ObjectCreation, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'new() { field }')
Arguments(0)
Initializer:
null
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'field')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'new() { field }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'field')
IFieldReferenceOperation: System.Int32 C.field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'field')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>.Add(System.Collections.Generic.List<System.Int32> item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'new() { field }')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>, IsImplicit) (Syntax: 'new() { ... }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new() { field }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'new() { field }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'new() { field }')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B4]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B3]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>, IsImplicit) (Syntax: 'x1 = /*<bin ... }')
Left:
ILocalReferenceOperation: x1 (IsDeclaration: True) (OperationKind.LocalReference, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>, IsImplicit) (Syntax: 'x1 = /*<bin ... }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>, IsImplicit) (Syntax: 'new() { ... }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>, IsImplicit) (Syntax: 'new() { ... }')
Next (Regular) Block[B5]
Leaving: {R2} {R1}
}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
");
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithMemberAndCollectionInitializers()
{
string source = @"
using System.Collections.Generic;
internal class Class
{
public int X { get; set; }
public List<int> Y { get; set; }
public Dictionary<int, int> Z { get; set; }
public Class C { get; set; }
private readonly int field = 0;
public void M(int x)
{
int y = 0;
Class c = /*<bind>*/new() {
X = x,
Y = { x, y, 3 },
Z = { { x, y } },
C = { X = field }
}/*</bind>*/;
}
}
";
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new() { ... }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: Class) (Syntax: '{ ... }')
Initializers(4):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'X = x')
Left:
IPropertyReferenceOperation: System.Int32 Class.X { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'X')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'X')
Right:
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'x')
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'Y = { x, y, 3 }')
InitializedMember:
IPropertyReferenceOperation: System.Collections.Generic.List<System.Int32> Class.Y { get; set; } (OperationKind.PropertyReference, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'Y')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'Y')
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.List<System.Int32>) (Syntax: '{ x, y, 3 }')
Initializers(3):
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'x')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'Y')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'x')
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'x')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'y')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'Y')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'y')
ILocalReferenceOperation: y (OperationKind.LocalReference, Type: System.Int32) (Syntax: 'y')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'Y')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: System.Collections.Generic.Dictionary<System.Int32, System.Int32>) (Syntax: 'Z = { { x, y } }')
InitializedMember:
IPropertyReferenceOperation: System.Collections.Generic.Dictionary<System.Int32, System.Int32> Class.Z { get; set; } (OperationKind.PropertyReference, Type: System.Collections.Generic.Dictionary<System.Int32, System.Int32>) (Syntax: 'Z')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'Z')
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.Dictionary<System.Int32, System.Int32>) (Syntax: '{ { x, y } }')
Initializers(1):
IInvocationOperation ( void System.Collections.Generic.Dictionary<System.Int32, System.Int32>.Add(System.Int32 key, System.Int32 value)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '{ x, y }')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.Dictionary<System.Int32, System.Int32>, IsImplicit) (Syntax: 'Z')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: key) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'x')
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'x')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: value) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'y')
ILocalReferenceOperation: y (OperationKind.LocalReference, Type: System.Int32) (Syntax: 'y')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: Class) (Syntax: 'C = { X = field }')
InitializedMember:
IPropertyReferenceOperation: Class Class.C { get; set; } (OperationKind.PropertyReference, Type: Class) (Syntax: 'C')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'C')
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: Class) (Syntax: '{ X = field }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'X = field')
Left:
IPropertyReferenceOperation: System.Int32 Class.X { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'X')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'X')
Right:
IFieldReferenceOperation: System.Int32 Class.field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'field')
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithArrayInitializer()
{
var comp = CreateCompilation(@"
class C
{
int[] a;
static void Main()
{
C a = /*<bind>*/new() { a = { [0] = 1, [1] = 2 } }/*</bind>*/;
}
}
");
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C) (Syntax: 'new() { a = ... [1] = 2 } }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C) (Syntax: '{ a = { [0] ... [1] = 2 } }')
Initializers(1):
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: System.Int32[]) (Syntax: 'a = { [0] = 1, [1] = 2 }')
InitializedMember:
IFieldReferenceOperation: System.Int32[] C.a (OperationKind.FieldReference, Type: System.Int32[]) (Syntax: 'a')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'a')
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Int32[]) (Syntax: '{ [0] = 1, [1] = 2 }')
Initializers(2):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[0] = 1')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[0]')
Array reference:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Int32[], IsImplicit) (Syntax: 'a')
Indices(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[1] = 2')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[1]')
Array reference:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Int32[], IsImplicit) (Syntax: 'a')
Indices(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
";
var expectedDiagnostics = new DiagnosticDescription[]
{
// warning CS0414: The field 'C.a' is assigned but its value is never used
// int[] a;
Diagnostic(ErrorCode.WRN_UnreferencedFieldAssg, "a").WithArguments("C.a").WithLocation(4, 11)
};
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(comp, expectedOperationTree, expectedDiagnostics);
var main = comp.SyntaxTrees[0].GetRoot().DescendantNodes().OfType<MethodDeclarationSyntax>().Single();
VerifyFlowGraph(comp, main, @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C a]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new() { a = ... [1] = 2 } }')
Value:
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C) (Syntax: 'new() { a = ... [1] = 2 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '0')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[0] = 1')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[0]')
Array reference:
IFieldReferenceOperation: System.Int32[] C.a (OperationKind.FieldReference, Type: System.Int32[]) (Syntax: 'a')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C, IsImplicit) (Syntax: 'new() { a = ... [1] = 2 } }')
Indices(1):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 0, IsImplicit) (Syntax: '0')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B3]
Leaving: {R2}
Entering: {R3}
}
.locals {R3}
{
CaptureIds: [2]
Block[B3] - Block
Predecessors: [B2]
Statements (2)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[1] = 2')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[1]')
Array reference:
IFieldReferenceOperation: System.Int32[] C.a (OperationKind.FieldReference, Type: System.Int32[]) (Syntax: 'a')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C, IsImplicit) (Syntax: 'new() { a = ... [1] = 2 } }')
Indices(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B4]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B3]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C, IsImplicit) (Syntax: 'a = /*<bind ... [1] = 2 } }')
Left:
ILocalReferenceOperation: a (IsDeclaration: True) (OperationKind.LocalReference, Type: C, IsImplicit) (Syntax: 'a = /*<bind ... [1] = 2 } }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C, IsImplicit) (Syntax: 'new() { a = ... [1] = 2 } }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C, IsImplicit) (Syntax: 'new() { a = ... [1] = 2 } }')
Next (Regular) Block[B5]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
");
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithInvalidInitializer()
{
string source = @"
class C
{
public void M1()
{
C x1 = /*<bind>*/new() { MissingMember = 1 }/*</bind>*/;
}
}
";
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C, IsInvalid) (Syntax: 'new() { Mis ... ember = 1 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C, IsInvalid) (Syntax: '{ MissingMember = 1 }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?, IsInvalid) (Syntax: 'MissingMember = 1')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'MissingMember')
Children(1):
IOperation: (OperationKind.None, Type: null, IsInvalid) (Syntax: 'MissingMember')
Children(1):
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsInvalid, IsImplicit) (Syntax: 'new() { Mis ... ember = 1 }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
";
var expectedDiagnostics = new DiagnosticDescription[] {
// file.cs(6,34): error CS0117: 'C' does not contain a definition for 'MissingMember'
// C x1 = /*<bind>*/new() { MissingMember = 1 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_NoSuchMember, "MissingMember").WithArguments("C", "MissingMember").WithLocation(6, 34)
};
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithInvalidMemberInitializer()
{
string source = @"
class C
{
public void M1()
{
C x1 = /*<bind>*/new(){ MissingField = { x = 1 } }/*</bind>*/;
}
}
";
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C, IsInvalid) (Syntax: 'new(){ Miss ... { x = 1 } }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C, IsInvalid) (Syntax: '{ MissingFi ... { x = 1 } }')
Initializers(1):
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: ?, IsInvalid) (Syntax: 'MissingField = { x = 1 }')
InitializedMember:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'MissingField')
Children(1):
IOperation: (OperationKind.None, Type: null, IsInvalid) (Syntax: 'MissingField')
Children(1):
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsInvalid, IsImplicit) (Syntax: 'new(){ Miss ... { x = 1 } }')
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: ?) (Syntax: '{ x = 1 }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?) (Syntax: 'x = 1')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsImplicit) (Syntax: 'x')
Children(1):
IOperation: (OperationKind.None, Type: null) (Syntax: 'x')
Children(1):
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: ?, IsInvalid, IsImplicit) (Syntax: 'MissingField')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
";
var expectedDiagnostics = new DiagnosticDescription[] {
// file.cs(6,33): error CS0117: 'C' does not contain a definition for 'MissingField'
// C x1 = /*<bind>*/new(){ MissingField = { x = 1 } }/*</bind>*/;
Diagnostic(ErrorCode.ERR_NoSuchMember, "MissingField").WithArguments("C", "MissingField").WithLocation(6, 33)
};
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithInvalidCollectionInitializer()
{
var comp = CreateCompilation(@"
using System.Collections.Generic;
class C
{
public void M1()
{
C x1 = /*<bind>*/new(){ MissingField = new List<int>() { 1 }}/*</bind>*/;
}
}
");
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C, IsInvalid) (Syntax: 'new(){ Miss ... t>() { 1 }}')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C, IsInvalid) (Syntax: '{ MissingFi ... t>() { 1 }}')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?, IsInvalid) (Syntax: 'MissingFiel ... nt>() { 1 }')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'MissingField')
Children(1):
IOperation: (OperationKind.None, Type: null, IsInvalid) (Syntax: 'MissingField')
Children(1):
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsInvalid, IsImplicit) (Syntax: 'new(){ Miss ... t>() { 1 }}')
Right:
IObjectCreationOperation (Constructor: System.Collections.Generic.List<System.Int32>..ctor()) (OperationKind.ObjectCreation, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'new List<int>() { 1 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.List<System.Int32>) (Syntax: '{ 1 }')
Initializers(1):
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'List<int>')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
var expectedDiagnostics = new DiagnosticDescription[] {
// file.cs(7,33): error CS0117: 'C' does not contain a definition for 'MissingField'
// C x1 = /*<bind>*/new(){ MissingField = new List<int>() { 1 }}/*</bind>*/;
Diagnostic(ErrorCode.ERR_NoSuchMember, "MissingField").WithArguments("C", "MissingField").WithLocation(7, 33)
};
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(comp, expectedOperationTree, expectedDiagnostics);
var m1 = comp.SyntaxTrees[0].GetRoot().DescendantNodes().OfType<MethodDeclarationSyntax>().Single();
VerifyFlowGraph(comp, m1, @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C x1]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new(){ Miss ... t>() { 1 }}')
Value:
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C, IsInvalid) (Syntax: 'new(){ Miss ... t>() { 1 }}')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [2]
Block[B2] - Block
Predecessors: [B1]
Statements (4)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'MissingField')
Value:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'MissingField')
Children(1):
IOperation: (OperationKind.None, Type: null, IsInvalid) (Syntax: 'MissingField')
Children(1):
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C, IsInvalid, IsImplicit) (Syntax: 'new(){ Miss ... t>() { 1 }}')
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new List<int>() { 1 }')
Value:
IObjectCreationOperation (Constructor: System.Collections.Generic.List<System.Int32>..ctor()) (OperationKind.ObjectCreation, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'new List<int>() { 1 }')
Arguments(0)
Initializer:
null
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'new List<int>() { 1 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?, IsInvalid) (Syntax: 'MissingFiel ... nt>() { 1 }')
Left:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: ?, IsInvalid, IsImplicit) (Syntax: 'MissingField')
Right:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'new List<int>() { 1 }')
Next (Regular) Block[B3]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B2]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C, IsInvalid, IsImplicit) (Syntax: 'x1 = /*<bin ... t>() { 1 }}')
Left:
ILocalReferenceOperation: x1 (IsDeclaration: True) (OperationKind.LocalReference, Type: C, IsInvalid, IsImplicit) (Syntax: 'x1 = /*<bin ... t>() { 1 }}')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C, IsInvalid, IsImplicit) (Syntax: 'new(){ Miss ... t>() { 1 }}')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C, IsInvalid, IsImplicit) (Syntax: 'new(){ Miss ... t>() { 1 }}')
Next (Regular) Block[B4]
Leaving: {R1}
}
Block[B4] - Exit
Predecessors: [B3]
Statements (0)
");
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(1198816, "https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1198816/")]
public void ImplicitObjectCreationUnconverted_ArrayIndex()
{
var comp = CreateCompilation("_ = new int[/*<bind>*/new(bad)/*</bind>*/];");
var expectedDiagnostics = new DiagnosticDescription[] {
// (1,27): error CS0103: The name 'bad' does not exist in the current context
// _ = new int[/*<bind>*/new(bad)/*</bind>*/];
Diagnostic(ErrorCode.ERR_NameNotInContext, "bad").WithArguments("bad").WithLocation(1, 27)
};
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(comp, @"
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'new(bad)')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'bad')
Children(0)
", expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(1198816, "https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1198816/")]
public void ImplicitObjectCreationUnconverted_IfCondition()
{
var comp = CreateCompilation(@"
if (/*<bind>*/new(bad)/*</bind>*/) {}
", options: TestOptions.UnsafeReleaseExe);
var expectedDiagnostics = new DiagnosticDescription[] {
// (2,19): error CS0103: The name 'bad' does not exist in the current context
// if (/*<bind>*/new(bad)/*</bind>*/) {}
Diagnostic(ErrorCode.ERR_NameNotInContext, "bad").WithArguments("bad").WithLocation(2, 19)
};
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(comp, @"
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'new(bad)')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'bad')
Children(0)
", expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(1198816, "https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1198816/")]
public void ImplicitObjectCreationUnconverted_ConditionalOperator()
{
var source =
@"class Program
{
static void Main()
{
_ = /*<bind>*/new(bad)/*</bind>*/ ? null : new object();
}
}";
var comp = CreateCompilation(source);
var expectedDiagnostics = new DiagnosticDescription[] {
// (5,27): error CS0103: The name 'bad' does not exist in the current context
// _ = /*<bind>*/new(bad)/*</bind>*/ ? null : new object();
Diagnostic(ErrorCode.ERR_NameNotInContext, "bad").WithArguments("bad").WithLocation(5, 27)
};
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(comp, @"
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'new(bad)')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'bad')
Children(0)
", expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(1198816, "https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1198816/")]
public void ImplicitObjectCreationUnconverted_ConditionalOperator_Nested1()
{
var source =
@"class Program
{
static void Main()
{
_ = (/*<bind>*/new(bad)/*</bind>*/, null) ? null : new object();
}
}";
var comp = CreateCompilation(source);
var expectedDiagnostics = new DiagnosticDescription[] {
// (5,28): error CS0103: The name 'bad' does not exist in the current context
// _ = (/*<bind>*/new(bad)/*</bind>*/, null) ? null : new object();
Diagnostic(ErrorCode.ERR_NameNotInContext, "bad").WithArguments("bad").WithLocation(5, 28)
};
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(comp, @"
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'new(bad)')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'bad')
Children(0)
", expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(1198816, "https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1198816/")]
public void ImplicitObjectCreationUnconverted_ConditionalOperator_Nested2()
{
var source =
@"class Program
{
static void Main(int i)
{
_ = i switch { 1 => /*<bind>*/new(bad)/*</bind>*/, _ => null } ? null : new object();
}
}";
var comp = CreateCompilation(source);
var expectedDiagnostics = new DiagnosticDescription[] {
// (5,43): error CS0103: The name 'bad' does not exist in the current context
// _ = i switch { 1 => /*<bind>*/new(bad)/*</bind>*/, _ => null } ? null : new object();
Diagnostic(ErrorCode.ERR_NameNotInContext, "bad").WithArguments("bad").WithLocation(5, 43)
};
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(comp, @"
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'new(bad)')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'bad')
Children(0)
", expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithDynamicMemberInitializer_01()
{
var comp = CreateCompilation(@"
#pragma warning disable 0169
class A
{
dynamic this[int x, int y]
{
get
{
return new A();
}
}
dynamic this[string x, string y]
{
get
{
throw null;
}
}
int X, Y, Z;
static void Main()
{
dynamic x = 1;
A _ = new() {/*<bind>*/[y: x, x: x] = { X = 1, Y = 1, Z = 1 }/*</bind>*/ };
}
}
");
string expectedOperationTree = @"
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: dynamic) (Syntax: '[y: x, x: x ... 1, Z = 1 }')
InitializedMember:
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[y: x, x: x]')
Expression:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: A, IsImplicit) (Syntax: '[y: x, x: x]')
Arguments(2):
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ArgumentNames(2):
""y""
""x""
ArgumentRefKinds(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: dynamic) (Syntax: '{ X = 1, Y = 1, Z = 1 }')
Initializers(3):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'X = 1')
Left:
IDynamicMemberReferenceOperation (Member Name: ""X"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'X')
Type Arguments(0)
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: dynamic, IsImplicit) (Syntax: 'X')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'Y = 1')
Left:
IDynamicMemberReferenceOperation (Member Name: ""Y"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'Y')
Type Arguments(0)
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: dynamic, IsImplicit) (Syntax: 'Y')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'Z = 1')
Left:
IDynamicMemberReferenceOperation (Member Name: ""Z"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'Z')
Type Arguments(0)
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: dynamic, IsImplicit) (Syntax: 'Z')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<AssignmentExpressionSyntax>(comp, expectedOperationTree, expectedDiagnostics);
var main = comp.SyntaxTrees[0].GetRoot().DescendantNodes().OfType<MethodDeclarationSyntax>().Single();
VerifyFlowGraph(comp, main, @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [dynamic x] [A _]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic, IsImplicit) (Syntax: 'x = 1')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: dynamic, IsImplicit) (Syntax: 'x = 1')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: dynamic, IsImplicit) (Syntax: '1')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [0]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new() {/*<b ... </bind>*/ }')
Value:
IObjectCreationOperation (Constructor: A..ctor()) (OperationKind.ObjectCreation, Type: A) (Syntax: 'new() {/*<b ... </bind>*/ }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B3]
Entering: {R3}
.locals {R3}
{
CaptureIds: [1] [2]
Block[B3] - Block
Predecessors: [B2]
Statements (5)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'x')
Value:
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'x')
Value:
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'X = 1')
Left:
IDynamicMemberReferenceOperation (Member Name: ""X"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'X')
Type Arguments(0)
Instance Receiver:
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[y: x, x: x]')
Expression:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new() {/*<b ... </bind>*/ }')
Arguments(2):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'x')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'x')
ArgumentNames(2):
""y""
""x""
ArgumentRefKinds(0)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'Y = 1')
Left:
IDynamicMemberReferenceOperation (Member Name: ""Y"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'Y')
Type Arguments(0)
Instance Receiver:
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[y: x, x: x]')
Expression:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new() {/*<b ... </bind>*/ }')
Arguments(2):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'x')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'x')
ArgumentNames(2):
""y""
""x""
ArgumentRefKinds(0)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'Z = 1')
Left:
IDynamicMemberReferenceOperation (Member Name: ""Z"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'Z')
Type Arguments(0)
Instance Receiver:
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[y: x, x: x]')
Expression:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new() {/*<b ... </bind>*/ }')
Arguments(2):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'x')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'x')
ArgumentNames(2):
""y""
""x""
ArgumentRefKinds(0)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B4]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B3]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: A, IsImplicit) (Syntax: '_ = new() { ... </bind>*/ }')
Left:
ILocalReferenceOperation: _ (IsDeclaration: True) (OperationKind.LocalReference, Type: A, IsImplicit) (Syntax: '_ = new() { ... </bind>*/ }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: A, IsImplicit) (Syntax: 'new() {/*<b ... </bind>*/ }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new() {/*<b ... </bind>*/ }')
Next (Regular) Block[B5]
Leaving: {R2} {R1}
}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
");
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithDynamicMemberInitializer_02()
{
string source = @"
#pragma warning disable 0169
class A
{
dynamic this[int x, int y]
{
get
{
return new A();
}
}
dynamic this[string x, string y]
{
get
{
throw null;
}
}
int X, Y, Z;
static void Main()
{
dynamic x = 1;
A _ = new() {/*<bind>*/[y: x, x: x] = { }/*</bind>*/ };
}
}
";
string expectedOperationTree = @"
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: dynamic) (Syntax: '[y: x, x: x] = { }')
InitializedMember:
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[y: x, x: x]')
Expression:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: A, IsImplicit) (Syntax: '[y: x, x: x]')
Arguments(2):
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ArgumentNames(2):
""y""
""x""
ArgumentRefKinds(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: dynamic) (Syntax: '{ }')
Initializers(0)
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<AssignmentExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationWithDynamicMemberInitializer_03()
{
string source = @"
#pragma warning disable 0169
class A
{
dynamic this[int x, int y]
{
get
{
return new A();
}
}
dynamic this[string x, string y]
{
get
{
throw null;
}
}
int X, Y, Z;
static void Main()
{
dynamic x = 1;
A _ = new() {/*<bind>*/[y: x, x: x]/*</bind>*/ = { } };
}
}
";
string expectedOperationTree = @"
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[y: x, x: x]')
Expression:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: A, IsImplicit) (Syntax: '[y: x, x: x]')
Arguments(2):
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ArgumentNames(2):
""y""
""x""
ArgumentRefKinds(0)
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<ExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationDynamicCollectionInitializer()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1 : IEnumerable<int>
{
public static void M(C1 c, dynamic d1)
{
c = /*<bind>*/new() { d1 }/*</bind>*/;
}
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int c2) { }
public void Add(long c2) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new() { d1 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C1) (Syntax: '{ d1 }')
Initializers(1):
IDynamicInvocationOperation (OperationKind.DynamicInvocation, Type: dynamic, IsImplicit) (Syntax: 'd1')
Expression:
IDynamicMemberReferenceOperation (Member Name: ""Add"", Containing Type: null) (OperationKind.DynamicMemberReference, Type: null, IsImplicit) (Syntax: 'new() { d1 }')
Type Arguments(0)
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C1, IsImplicit) (Syntax: 'new() { d1 }')
Arguments(1):
IParameterReferenceOperation: d1 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd1')
ArgumentNames(0)
ArgumentRefKinds(0)
";
VerifyOperationTreeAndDiagnosticsForTest<ImplicitObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationCollectionInitializerWithRefAddMethod()
{
string source = @"
using System;
using System.Collections;
using System.Collections.Generic;
class C : IEnumerable<int>
{
public static void M()
{
C c = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
public IEnumerator<int> GetEnumerator()
{
throw new NotImplementedException();
}
IEnumerator IEnumerable.GetEnumerator()
{
throw new NotImplementedException();
}
public void Add(ref int i)
{
}
}
";
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C, IsInvalid) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '1')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsInvalid) (Syntax: '1')
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '2')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2, IsInvalid) (Syntax: '2')
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '3')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3, IsInvalid) (Syntax: '3')
";
var expectedDiagnostics = new DiagnosticDescription[] {
// file.cs(9,33): error CS1954: The best overloaded method match 'C.Add(ref int)' for the collection initializer element cannot be used. Collection initializer 'Add' methods cannot have ref or out parameters.
// C c = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasParamModifiers, "1").WithArguments("C.Add(ref int)").WithLocation(9, 33),
// file.cs(9,36): error CS1954: The best overloaded method match 'C.Add(ref int)' for the collection initializer element cannot be used. Collection initializer 'Add' methods cannot have ref or out parameters.
// C c = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasParamModifiers, "2").WithArguments("C.Add(ref int)").WithLocation(9, 36),
// file.cs(9,39): error CS1954: The best overloaded method match 'C.Add(ref int)' for the collection initializer element cannot be used. Collection initializer 'Add' methods cannot have ref or out parameters.
// C c = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasParamModifiers, "3").WithArguments("C.Add(ref int)").WithLocation(9, 39)
};
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationCollectionInitializerWithDefaultParameterAddMethod()
{
string source = @"
using System;
using System.Collections;
using System.Collections.Generic;
class C : IEnumerable<int>
{
public static void M()
{
C c = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
public IEnumerator<int> GetEnumerator()
{
throw new NotImplementedException();
}
IEnumerator IEnumerable.GetEnumerator()
{
throw new NotImplementedException();
}
public void Add(int i, object o = null)
{
}
}
";
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvocationOperation ( void C.Add(System.Int32 i, [System.Object o = null])) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.DefaultValue, Matching Parameter: o) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
IDefaultValueOperation (OperationKind.DefaultValue, Type: System.Object, Constant: null, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C.Add(System.Int32 i, [System.Object o = null])) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.DefaultValue, Matching Parameter: o) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
IDefaultValueOperation (OperationKind.DefaultValue, Type: System.Object, Constant: null, IsImplicit) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C.Add(System.Int32 i, [System.Object o = null])) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.DefaultValue, Matching Parameter: o) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
IDefaultValueOperation (OperationKind.DefaultValue, Type: System.Object, Constant: null, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationCollectionInitializerWithParamsAddMethod()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C : IEnumerable<int>
{
void M(C c)
{
c = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
public void Add(params int[] ints)
{
}
public IEnumerator<int> GetEnumerator()
{
throw new System.NotImplementedException();
}
IEnumerator IEnumerable.GetEnumerator()
{
throw new System.NotImplementedException();
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvocationOperation ( void C.Add(params System.Int32[] ints)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
Arguments(1):
IArgumentOperation (ArgumentKind.ParamArray, Matching Parameter: ints) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
IArrayCreationOperation (OperationKind.ArrayCreation, Type: System.Int32[], IsImplicit) (Syntax: '1')
Dimension Sizes(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
Initializer:
IArrayInitializerOperation (1 elements) (OperationKind.ArrayInitializer, Type: null, IsImplicit) (Syntax: '1')
Element Values(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C.Add(params System.Int32[] ints)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
Arguments(1):
IArgumentOperation (ArgumentKind.ParamArray, Matching Parameter: ints) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
IArrayCreationOperation (OperationKind.ArrayCreation, Type: System.Int32[], IsImplicit) (Syntax: '2')
Dimension Sizes(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '2')
Initializer:
IArrayInitializerOperation (1 elements) (OperationKind.ArrayInitializer, Type: null, IsImplicit) (Syntax: '2')
Element Values(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C.Add(params System.Int32[] ints)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
Arguments(1):
IArgumentOperation (ArgumentKind.ParamArray, Matching Parameter: ints) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
IArrayCreationOperation (OperationKind.ArrayCreation, Type: System.Int32[], IsImplicit) (Syntax: '3')
Dimension Sizes(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '3')
Initializer:
IArrayInitializerOperation (1 elements) (OperationKind.ArrayInitializer, Type: null, IsImplicit) (Syntax: '3')
Element Values(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationCollectionInitializerExtensionAddMethod()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C : IEnumerable<int>
{
void M(C c)
{
c = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
public IEnumerator<int> GetEnumerator()
{
throw new System.NotImplementedException();
}
IEnumerator IEnumerable.GetEnumerator()
{
throw new System.NotImplementedException();
}
}
static class CExtensions
{
public static void Add(this C c, int i)
{
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvocationOperation (void CExtensions.Add(this C c, System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
null
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation (void CExtensions.Add(this C c, System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
null
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation (void CExtensions.Add(this C c, System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
null
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationCollectionInitializerStaticAddMethod()
{
string source = @"
using System;
using System.Collections;
using System.Collections.Generic;
class C : IEnumerable<int>
{
public static void M()
{
C c = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
public IEnumerator<int> GetEnumerator()
{
throw new NotImplementedException();
}
IEnumerator IEnumerable.GetEnumerator()
{
throw new NotImplementedException();
}
public static void Add(int i)
{
}
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// file.cs(9,33): error CS1921: The best overloaded method match for 'C.Add(int)' has wrong signature for the initializer element. The initializable Add must be an accessible instance method.
// C c = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasWrongSignature, "1").WithArguments("C.Add(int)").WithLocation(9, 33),
// file.cs(9,36): error CS1921: The best overloaded method match for 'C.Add(int)' has wrong signature for the initializer element. The initializable Add must be an accessible instance method.
// C c = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasWrongSignature, "2").WithArguments("C.Add(int)").WithLocation(9, 36),
// file.cs(9,39): error CS1921: The best overloaded method match for 'C.Add(int)' has wrong signature for the initializer element. The initializable Add must be an accessible instance method.
// C c = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasWrongSignature, "3").WithArguments("C.Add(int)").WithLocation(9, 39)
};
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C, IsInvalid) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '1')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsInvalid) (Syntax: '1')
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '2')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2, IsInvalid) (Syntax: '2')
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '3')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3, IsInvalid) (Syntax: '3')
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: ImplicitObjectCreationOptions);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationCollectionInitializerAddMethodOnInterface()
{
string source = @"
using System.Collections.Generic;
using System.Runtime.InteropServices;
[ComImport()]
[CoClass(typeof(CoClassImplementation))]
[Guid(""f9c2d51d-4f44-45f0-9eda-c9d599b58257"")]
public interface IInterface : IEnumerable<int>
{
void Add(int i);
}
public class CoClassImplementation
{
}
class C
{
void M()
{
IInterface iinterface = new() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: IInterface) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvocationOperation (virtual void IInterface.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: IInterface, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation (virtual void IInterface.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: IInterface, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation (virtual void IInterface.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: IInterface, IsImplicit) (Syntax: 'new() /*<bi ... { 1, 2, 3 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics, parseOptions: TestOptions.Regular9);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationNestedObjectInitializerNoSet()
{
var comp = CreateCompilation(@"
class C1
{
void M(C1 c1)
{
c1 = new() /*<bind>*/{ [1] = { A = 1 } }/*</bind>*/;
}
C2 this[int i] { get => null; }
}
class C2
{
public int A { get; set; }
}
");
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C1) (Syntax: '{ [1] = { A = 1 } }')
Initializers(1):
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: C2) (Syntax: '[1] = { A = 1 }')
InitializedMember:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[1]')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C1, IsImplicit) (Syntax: '[1]')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C2) (Syntax: '{ A = 1 }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'A = 1')
Left:
IPropertyReferenceOperation: System.Int32 C2.A { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'A')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C2, IsImplicit) (Syntax: 'A')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(comp, expectedOperationTree, expectedDiagnostics);
var m = comp.SyntaxTrees[0].GetRoot().DescendantNodes().OfType<MethodDeclarationSyntax>().Single();
VerifyFlowGraph(comp, m, @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c1')
Value:
IParameterReferenceOperation: c1 (OperationKind.ParameterReference, Type: C1) (Syntax: 'c1')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new() /*<bi ... { A = 1 } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new() /*<bi ... { A = 1 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'A = 1')
Left:
IPropertyReferenceOperation: System.Int32 C2.A { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'A')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[1]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new() /*<bi ... { A = 1 } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B3]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c1 = new() ... *</bind>*/;')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c1 = new() ... { A = 1 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c1')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C1, IsImplicit) (Syntax: 'new() /*<bi ... { A = 1 } }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new() /*<bi ... { A = 1 } }')
Next (Regular) Block[B4]
Leaving: {R1}
}
Block[B4] - Exit
Predecessors: [B3]
Statements (0)
");
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ImplicitObjectCreationNestedCollectionInitializerNoSet()
{
var comp = CreateCompilation(@"
using System.Collections;
using System.Collections.Generic;
class C1
{
void M(C1 c1)
{
c1 = new() /*<bind>*/{ [1] = { 1 } }/*</bind>*/;
}
C2 this[int i] { get => null; }
}
class C2 : IEnumerable<int>
{
public IEnumerator<int> GetEnumerator() => throw new System.NotImplementedException();
IEnumerator IEnumerable.GetEnumerator() => throw new System.NotImplementedException();
public void Add(int i) { }
}
");
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C1) (Syntax: '{ [1] = { 1 } }')
Initializers(1):
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: C2) (Syntax: '[1] = { 1 }')
InitializedMember:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[1]')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C1, IsImplicit) (Syntax: '[1]')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C2) (Syntax: '{ 1 }')
Initializers(1):
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C2, IsImplicit) (Syntax: '[1]')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(comp, expectedOperationTree, expectedDiagnostics);
var m = comp.SyntaxTrees[0].GetRoot().DescendantNodes().OfType<MethodDeclarationSyntax>().Single(m => m.Identifier.ValueText == "M");
VerifyFlowGraph(comp, m, @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c1')
Value:
IParameterReferenceOperation: c1 (OperationKind.ParameterReference, Type: C1) (Syntax: 'c1')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new() /*<bi ... ] = { 1 } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new() /*<bi ... ] = { 1 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[1]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new() /*<bi ... ] = { 1 } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B3]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c1 = new() ... *</bind>*/;')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c1 = new() ... ] = { 1 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c1')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C1, IsImplicit) (Syntax: 'new() /*<bi ... ] = { 1 } }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(ObjectCreation)
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new() /*<bi ... ] = { 1 } }')
Next (Regular) Block[B4]
Leaving: {R1}
}
Block[B4] - Exit
Predecessors: [B3]
Statements (0)
");
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(17588, "https://github.com/dotnet/roslyn/issues/17588")]
public void ObjectCreationWithMemberInitializers()
{
string source = @"
struct B
{
public bool Field;
}
class F
{
public int Field;
public string Property1 { set; get; }
public B Property2 { set; get; }
}
class C
{
public void M1()
/*<bind>*/{
var x1 = new F();
var x2 = new F() { Field = 2 };
var x3 = new F() { Property1 = """" };
var x4 = new F() { Property1 = """", Field = 2 };
var x5 = new F() { Property2 = new B { Field = true } };
var e1 = new F() { Property2 = 1 };
var e2 = new F() { """" };
}/*</bind>*/
}
";
string expectedOperationTree = @"
IBlockOperation (7 statements, 7 locals) (OperationKind.Block, Type: null, IsInvalid) (Syntax: '{ ... }')
Locals: Local_1: F x1
Local_2: F x2
Local_3: F x3
Local_4: F x4
Local_5: F x5
Local_6: F e1
Local_7: F e2
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'var x1 = new F();')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'var x1 = new F()')
Declarators:
IVariableDeclaratorOperation (Symbol: F x1) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x1 = new F()')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new F()')
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new F()')
Arguments(0)
Initializer:
null
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'var x2 = ne ... ield = 2 };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'var x2 = ne ... Field = 2 }')
Declarators:
IVariableDeclaratorOperation (Symbol: F x2) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x2 = new F( ... Field = 2 }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new F() { Field = 2 }')
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new F() { Field = 2 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F) (Syntax: '{ Field = 2 }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'Field = 2')
Left:
IFieldReferenceOperation: System.Int32 F.Field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'Field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Field')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'var x3 = ne ... ty1 = """" };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'var x3 = ne ... rty1 = """" }')
Declarators:
IVariableDeclaratorOperation (Symbol: F x3) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x3 = new F( ... rty1 = """" }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new F() { ... rty1 = """" }')
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new F() { P ... rty1 = """" }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F) (Syntax: '{ Property1 = """" }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.String) (Syntax: 'Property1 = """"')
Left:
IPropertyReferenceOperation: System.String F.Property1 { get; set; } (OperationKind.PropertyReference, Type: System.String) (Syntax: 'Property1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Property1')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.String, Constant: """") (Syntax: '""""')
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'var x4 = ne ... ield = 2 };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'var x4 = ne ... Field = 2 }')
Declarators:
IVariableDeclaratorOperation (Symbol: F x4) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x4 = new F( ... Field = 2 }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new F() { ... Field = 2 }')
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new F() { P ... Field = 2 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F) (Syntax: '{ Property1 ... Field = 2 }')
Initializers(2):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.String) (Syntax: 'Property1 = """"')
Left:
IPropertyReferenceOperation: System.String F.Property1 { get; set; } (OperationKind.PropertyReference, Type: System.String) (Syntax: 'Property1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Property1')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.String, Constant: """") (Syntax: '""""')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'Field = 2')
Left:
IFieldReferenceOperation: System.Int32 F.Field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'Field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Field')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'var x5 = ne ... = true } };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'var x5 = ne ... = true } }')
Declarators:
IVariableDeclaratorOperation (Symbol: F x5) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x5 = new F( ... = true } }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null) (Syntax: '= new F() { ... = true } }')
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F) (Syntax: 'new F() { P ... = true } }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F) (Syntax: '{ Property2 ... = true } }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: B) (Syntax: 'Property2 = ... ld = true }')
Left:
IPropertyReferenceOperation: B F.Property2 { get; set; } (OperationKind.PropertyReference, Type: B) (Syntax: 'Property2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Property2')
Right:
IObjectCreationOperation (Constructor: B..ctor()) (OperationKind.ObjectCreation, Type: B) (Syntax: 'new B { Field = true }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: B) (Syntax: '{ Field = true }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Boolean) (Syntax: 'Field = true')
Left:
IFieldReferenceOperation: System.Boolean B.Field (OperationKind.FieldReference, Type: System.Boolean) (Syntax: 'Field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: B, IsImplicit) (Syntax: 'Field')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Boolean, Constant: True) (Syntax: 'true')
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null, IsInvalid) (Syntax: 'var e1 = ne ... rty2 = 1 };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null, IsInvalid) (Syntax: 'var e1 = ne ... erty2 = 1 }')
Declarators:
IVariableDeclaratorOperation (Symbol: F e1) (OperationKind.VariableDeclarator, Type: null, IsInvalid) (Syntax: 'e1 = new F( ... erty2 = 1 }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null, IsInvalid) (Syntax: '= new F() { ... erty2 = 1 }')
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F, IsInvalid) (Syntax: 'new F() { P ... erty2 = 1 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F, IsInvalid) (Syntax: '{ Property2 = 1 }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: B, IsInvalid) (Syntax: 'Property2 = 1')
Left:
IPropertyReferenceOperation: B F.Property2 { get; set; } (OperationKind.PropertyReference, Type: B) (Syntax: 'Property2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: F, IsImplicit) (Syntax: 'Property2')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: B, IsInvalid, IsImplicit) (Syntax: '1')
Conversion: CommonConversion (Exists: False, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsInvalid) (Syntax: '1')
Initializer:
null
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null, IsInvalid) (Syntax: 'var e2 = new F() { """" };')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null, IsInvalid) (Syntax: 'var e2 = new F() { """" }')
Declarators:
IVariableDeclaratorOperation (Symbol: F e2) (OperationKind.VariableDeclarator, Type: null, IsInvalid) (Syntax: 'e2 = new F() { """" }')
Initializer:
IVariableInitializerOperation (OperationKind.VariableInitializer, Type: null, IsInvalid) (Syntax: '= new F() { """" }')
IObjectCreationOperation (Constructor: F..ctor()) (OperationKind.ObjectCreation, Type: F, IsInvalid) (Syntax: 'new F() { """" }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: F, IsInvalid) (Syntax: '{ """" }')
Initializers(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: '""""')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.String, Constant: """", IsInvalid) (Syntax: '""""')
Initializer:
null
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0029: Cannot implicitly convert type 'int' to 'B'
// var e1 = new F() { Property2 = 1 };
Diagnostic(ErrorCode.ERR_NoImplicitConv, "1").WithArguments("int", "B").WithLocation(24, 40),
// CS1922: Cannot initialize type 'F' with a collection initializer because it does not implement 'System.Collections.IEnumerable'
// var e2 = new F() { "" };
Diagnostic(ErrorCode.ERR_CollectionInitRequiresIEnumerable, @"{ """" }").WithArguments("F").WithLocation(25, 26)
};
VerifyOperationTreeAndDiagnosticsForTest<BlockSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(17588, "https://github.com/dotnet/roslyn/issues/17588")]
public void ObjectCreationWithCollectionInitializer()
{
string source = @"
using System.Collections.Generic;
class C
{
private readonly int field;
public void M1(int x)
{
int y = 0;
var x1 = /*<bind>*/new List<int> { x, y, field }/*</bind>*/;
}
}
";
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: System.Collections.Generic.List<System.Int32>..ctor()) (OperationKind.ObjectCreation, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'new List<in ... y, field }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.List<System.Int32>) (Syntax: '{ x, y, field }')
Initializers(3):
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'x')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'List<int>')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'x')
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'x')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'y')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'List<int>')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'y')
ILocalReferenceOperation: y (OperationKind.LocalReference, Type: System.Int32) (Syntax: 'y')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'List<int>')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'field')
IFieldReferenceOperation: System.Int32 C.field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'field')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0649: Field 'C.field' is never assigned to, and will always have its default value 0
// private readonly int field;
Diagnostic(ErrorCode.WRN_UnassignedInternalField, "field").WithArguments("C.field", "0").WithLocation(6, 26)
};
VerifyOperationTreeAndDiagnosticsForTest<ObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(17588, "https://github.com/dotnet/roslyn/issues/17588")]
public void ObjectCreationWithNestedCollectionInitializer()
{
string source = @"
using System.Collections.Generic;
using System.Linq;
class C
{
private readonly int field = 0;
public void M1(int x)
{
int y = 0;
var x1 = /*<bind>*/new List<List<int>> {
new[] { x, y }.ToList(),
new List<int> { field }
}/*</bind>*/;
}
}
";
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>..ctor()) (OperationKind.ObjectCreation, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>) (Syntax: 'new List<Li ... }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>) (Syntax: '{ ... }')
Initializers(2):
IInvocationOperation ( void System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>.Add(System.Collections.Generic.List<System.Int32> item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'new[] { x, y }.ToList()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>, IsImplicit) (Syntax: 'List<List<int>>')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new[] { x, y }.ToList()')
IInvocationOperation (System.Collections.Generic.List<System.Int32> System.Linq.Enumerable.ToList<System.Int32>(this System.Collections.Generic.IEnumerable<System.Int32> source)) (OperationKind.Invocation, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'new[] { x, y }.ToList()')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: source) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new[] { x, y }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Collections.Generic.IEnumerable<System.Int32>, IsImplicit) (Syntax: 'new[] { x, y }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
Operand:
IArrayCreationOperation (OperationKind.ArrayCreation, Type: System.Int32[]) (Syntax: 'new[] { x, y }')
Dimension Sizes(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2, IsImplicit) (Syntax: 'new[] { x, y }')
Initializer:
IArrayInitializerOperation (2 elements) (OperationKind.ArrayInitializer, Type: null) (Syntax: '{ x, y }')
Element Values(2):
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'x')
ILocalReferenceOperation: y (OperationKind.LocalReference, Type: System.Int32) (Syntax: 'y')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>.Add(System.Collections.Generic.List<System.Int32> item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'new List<int> { field }')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Collections.Generic.List<System.Int32>>, IsImplicit) (Syntax: 'List<List<int>>')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new List<int> { field }')
IObjectCreationOperation (Constructor: System.Collections.Generic.List<System.Int32>..ctor()) (OperationKind.ObjectCreation, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'new List<int> { field }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.List<System.Int32>) (Syntax: '{ field }')
Initializers(1):
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'List<int>')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'field')
IFieldReferenceOperation: System.Int32 C.field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'field')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<ObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(17588, "https://github.com/dotnet/roslyn/issues/17588")]
public void ObjectCreationWithMemberAndCollectionInitializers()
{
string source = @"
using System.Collections.Generic;
internal class Class
{
public int X { get; set; }
public List<int> Y { get; set; }
public Dictionary<int, int> Z { get; set; }
public Class C { get; set; }
private readonly int field = 0;
public void M(int x)
{
int y = 0;
var c = /*<bind>*/new Class() {
X = x,
Y = { x, y, 3 },
Z = { { x, y } },
C = { X = field }
}/*</bind>*/;
}
}
";
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class() ... }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: Class) (Syntax: '{ ... }')
Initializers(4):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'X = x')
Left:
IPropertyReferenceOperation: System.Int32 Class.X { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'X')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'X')
Right:
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'x')
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'Y = { x, y, 3 }')
InitializedMember:
IPropertyReferenceOperation: System.Collections.Generic.List<System.Int32> Class.Y { get; set; } (OperationKind.PropertyReference, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'Y')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'Y')
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.List<System.Int32>) (Syntax: '{ x, y, 3 }')
Initializers(3):
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'x')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'Y')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'x')
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'x')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'y')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'Y')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'y')
ILocalReferenceOperation: y (OperationKind.LocalReference, Type: System.Int32) (Syntax: 'y')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'Y')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: System.Collections.Generic.Dictionary<System.Int32, System.Int32>) (Syntax: 'Z = { { x, y } }')
InitializedMember:
IPropertyReferenceOperation: System.Collections.Generic.Dictionary<System.Int32, System.Int32> Class.Z { get; set; } (OperationKind.PropertyReference, Type: System.Collections.Generic.Dictionary<System.Int32, System.Int32>) (Syntax: 'Z')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'Z')
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.Dictionary<System.Int32, System.Int32>) (Syntax: '{ { x, y } }')
Initializers(1):
IInvocationOperation ( void System.Collections.Generic.Dictionary<System.Int32, System.Int32>.Add(System.Int32 key, System.Int32 value)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '{ x, y }')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.Dictionary<System.Int32, System.Int32>, IsImplicit) (Syntax: 'Z')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: key) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'x')
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'x')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: value) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'y')
ILocalReferenceOperation: y (OperationKind.LocalReference, Type: System.Int32) (Syntax: 'y')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: Class) (Syntax: 'C = { X = field }')
InitializedMember:
IPropertyReferenceOperation: Class Class.C { get; set; } (OperationKind.PropertyReference, Type: Class) (Syntax: 'C')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'C')
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: Class) (Syntax: '{ X = field }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'X = field')
Left:
IPropertyReferenceOperation: System.Int32 Class.X { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'X')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'X')
Right:
IFieldReferenceOperation: System.Int32 Class.field (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'field')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'field')
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<ObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(17588, "https://github.com/dotnet/roslyn/issues/17588")]
public void ObjectCreationWithArrayInitializer()
{
string source = @"
class C
{
int[] a;
static void Main()
{
var a = /*<bind>*/new C { a = { [0] = 1, [1] = 2 } }/*</bind>*/;
}
}
";
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C) (Syntax: 'new C { a = ... [1] = 2 } }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C) (Syntax: '{ a = { [0] ... [1] = 2 } }')
Initializers(1):
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: System.Int32[]) (Syntax: 'a = { [0] = 1, [1] = 2 }')
InitializedMember:
IFieldReferenceOperation: System.Int32[] C.a (OperationKind.FieldReference, Type: System.Int32[]) (Syntax: 'a')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'a')
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Int32[]) (Syntax: '{ [0] = 1, [1] = 2 }')
Initializers(2):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[0] = 1')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[0]')
Array reference:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Int32[], IsImplicit) (Syntax: 'a')
Indices(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[1] = 2')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[1]')
Array reference:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Int32[], IsImplicit) (Syntax: 'a')
Indices(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
";
var expectedDiagnostics = new DiagnosticDescription[]
{
// warning CS0414: The field 'C.a' is assigned but its value is never used
// int[] a;
Diagnostic(ErrorCode.WRN_UnreferencedFieldAssg, "a").WithArguments("C.a").WithLocation(4, 11)
};
VerifyOperationTreeAndDiagnosticsForTest<ObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(22967, "https://github.com/dotnet/roslyn/issues/22967")]
public void ObjectCreationWithInvalidInitializer()
{
string source = @"
class C
{
public void M1()
{
var x1 = /*<bind>*/new C() { MissingMember = 1 }/*</bind>*/;
}
}
";
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C, IsInvalid) (Syntax: 'new C() { M ... ember = 1 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C, IsInvalid) (Syntax: '{ MissingMember = 1 }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?, IsInvalid) (Syntax: 'MissingMember = 1')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'MissingMember')
Children(1):
IOperation: (OperationKind.None, Type: null, IsInvalid) (Syntax: 'MissingMember')
Children(1):
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
";
var expectedDiagnostics = new DiagnosticDescription[] {
// file.cs(6,38): error CS0117: 'C' does not contain a definition for 'MissingMember'
// var x1 = /*<bind>*/new C() { MissingMember = 1 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_NoSuchMember, "MissingMember").WithArguments("C", "MissingMember").WithLocation(6, 38)
};
VerifyOperationTreeAndDiagnosticsForTest<ObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(22967, "https://github.com/dotnet/roslyn/issues/22967")]
public void ObjectCreationWithInvalidMemberInitializer()
{
string source = @"
class C
{
public void M1()
{
var x1 = /*<bind>*/new C(){ MissingField = { x = 1 } }/*</bind>*/;
}
}
";
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C, IsInvalid) (Syntax: 'new C(){ Mi ... { x = 1 } }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C, IsInvalid) (Syntax: '{ MissingFi ... { x = 1 } }')
Initializers(1):
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: ?, IsInvalid) (Syntax: 'MissingField = { x = 1 }')
InitializedMember:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'MissingField')
Children(1):
IOperation: (OperationKind.None, Type: null, IsInvalid) (Syntax: 'MissingField')
Children(1):
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: ?) (Syntax: '{ x = 1 }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?) (Syntax: 'x = 1')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsImplicit) (Syntax: 'x')
Children(1):
IOperation: (OperationKind.None, Type: null) (Syntax: 'x')
Children(1):
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: ?, IsInvalid, IsImplicit) (Syntax: 'MissingField')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
";
var expectedDiagnostics = new DiagnosticDescription[] {
// file.cs(6,37): error CS0117: 'C' does not contain a definition for 'MissingField'
// var x1 = /*<bind>*/new C(){ MissingField = { x = 1 } }/*</bind>*/;
Diagnostic(ErrorCode.ERR_NoSuchMember, "MissingField").WithArguments("C", "MissingField").WithLocation(6, 37)
};
VerifyOperationTreeAndDiagnosticsForTest<ObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact, WorkItem(22967, "https://github.com/dotnet/roslyn/issues/22967")]
public void ObjectCreationWithInvalidCollectionInitializer()
{
string source = @"
using System.Collections.Generic;
class C
{
public void M1()
{
var x1 = /*<bind>*/new C(){ MissingField = new List<int>() { 1 }}/*</bind>*/;
}
}
";
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C, IsInvalid) (Syntax: 'new C(){ Mi ... t>() { 1 }}')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C, IsInvalid) (Syntax: '{ MissingFi ... t>() { 1 }}')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?, IsInvalid) (Syntax: 'MissingFiel ... nt>() { 1 }')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'MissingField')
Children(1):
IOperation: (OperationKind.None, Type: null, IsInvalid) (Syntax: 'MissingField')
Children(1):
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
Right:
IObjectCreationOperation (Constructor: System.Collections.Generic.List<System.Int32>..ctor()) (OperationKind.ObjectCreation, Type: System.Collections.Generic.List<System.Int32>) (Syntax: 'new List<int>() { 1 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: System.Collections.Generic.List<System.Int32>) (Syntax: '{ 1 }')
Initializers(1):
IInvocationOperation ( void System.Collections.Generic.List<System.Int32>.Add(System.Int32 item)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: System.Collections.Generic.List<System.Int32>, IsImplicit) (Syntax: 'List<int>')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: item) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
var expectedDiagnostics = new DiagnosticDescription[] {
// file.cs(8,37): error CS0117: 'C' does not contain a definition for 'MissingField'
// var x1 = /*<bind>*/new C(){ MissingField = new List<int>() { 1 }}/*</bind>*/;
Diagnostic(ErrorCode.ERR_NoSuchMember, "MissingField").WithArguments("C", "MissingField").WithLocation(8, 37)
};
VerifyOperationTreeAndDiagnosticsForTest<ObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
[WorkItem(23154, "https://github.com/dotnet/roslyn/issues/23154")]
public void ObjectCreationWithDynamicMemberInitializer_01()
{
string source = @"
#pragma warning disable 0169
class A
{
dynamic this[int x, int y]
{
get
{
return new A();
}
}
dynamic this[string x, string y]
{
get
{
throw null;
}
}
int X, Y, Z;
static void Main()
{
dynamic x = 1;
new A {/*<bind>*/[y: x, x: x] = { X = 1, Y = 1, Z = 1 }/*</bind>*/ };
}
}
";
string expectedOperationTree = @"
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: dynamic) (Syntax: '[y: x, x: x ... 1, Z = 1 }')
InitializedMember:
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[y: x, x: x]')
Expression:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: A, IsImplicit) (Syntax: '[y: x, x: x]')
Arguments(2):
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ArgumentNames(2):
""y""
""x""
ArgumentRefKinds(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: dynamic) (Syntax: '{ X = 1, Y = 1, Z = 1 }')
Initializers(3):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'X = 1')
Left:
IDynamicMemberReferenceOperation (Member Name: ""X"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'X')
Type Arguments(0)
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: dynamic, IsImplicit) (Syntax: 'X')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'Y = 1')
Left:
IDynamicMemberReferenceOperation (Member Name: ""Y"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'Y')
Type Arguments(0)
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: dynamic, IsImplicit) (Syntax: 'Y')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'Z = 1')
Left:
IDynamicMemberReferenceOperation (Member Name: ""Z"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'Z')
Type Arguments(0)
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: dynamic, IsImplicit) (Syntax: 'Z')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<AssignmentExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
[WorkItem(23154, "https://github.com/dotnet/roslyn/issues/23154")]
public void ObjectCreationWithDynamicMemberInitializer_02()
{
string source = @"
#pragma warning disable 0169
class A
{
dynamic this[int x, int y]
{
get
{
return new A();
}
}
dynamic this[string x, string y]
{
get
{
throw null;
}
}
int X, Y, Z;
static void Main()
{
dynamic x = 1;
new A {/*<bind>*/[y: x, x: x] = { }/*</bind>*/ };
}
}
";
string expectedOperationTree = @"
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: dynamic) (Syntax: '[y: x, x: x] = { }')
InitializedMember:
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[y: x, x: x]')
Expression:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: A, IsImplicit) (Syntax: '[y: x, x: x]')
Arguments(2):
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ArgumentNames(2):
""y""
""x""
ArgumentRefKinds(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: dynamic) (Syntax: '{ }')
Initializers(0)
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<AssignmentExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
[WorkItem(23154, "https://github.com/dotnet/roslyn/issues/23154")]
public void ObjectCreationWithDynamicMemberInitializer_03()
{
string source = @"
#pragma warning disable 0169
class A
{
dynamic this[int x, int y]
{
get
{
return new A();
}
}
dynamic this[string x, string y]
{
get
{
throw null;
}
}
int X, Y, Z;
static void Main()
{
dynamic x = 1;
new A {/*<bind>*/[y: x, x: x]/*</bind>*/ = { } };
}
}
";
string expectedOperationTree = @"
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[y: x, x: x]')
Expression:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: A, IsImplicit) (Syntax: '[y: x, x: x]')
Arguments(2):
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ArgumentNames(2):
""y""
""x""
ArgumentRefKinds(0)
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<ExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ObjectCreationDynamicCollectionInitializer()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1 : IEnumerable<int>
{
public static void M(C1 c, dynamic d1)
{
c = /*<bind>*/new C1 { d1 }/*</bind>*/;
}
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int c2) { }
public void Add(long c2) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { d1 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C1) (Syntax: '{ d1 }')
Initializers(1):
IDynamicInvocationOperation (OperationKind.DynamicInvocation, Type: dynamic, IsImplicit) (Syntax: 'd1')
Expression:
IDynamicMemberReferenceOperation (Member Name: ""Add"", Containing Type: null) (OperationKind.DynamicMemberReference, Type: null, IsImplicit) (Syntax: 'C1')
Type Arguments(0)
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C1, IsImplicit) (Syntax: 'C1')
Arguments(1):
IParameterReferenceOperation: d1 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd1')
ArgumentNames(0)
ArgumentRefKinds(0)
";
VerifyOperationTreeAndDiagnosticsForTest<ObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ObjectCreationCollectionInitializerWithRefAddMethod()
{
string source = @"
using System;
using System.Collections;
using System.Collections.Generic;
class C : IEnumerable<int>
{
public static void M()
{
var c = new C /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
public IEnumerator<int> GetEnumerator()
{
throw new NotImplementedException();
}
IEnumerator IEnumerable.GetEnumerator()
{
throw new NotImplementedException();
}
public void Add(ref int i)
{
}
}
";
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C, IsInvalid) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '1')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsInvalid) (Syntax: '1')
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '2')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2, IsInvalid) (Syntax: '2')
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '3')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3, IsInvalid) (Syntax: '3')
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS1954: The best overloaded method match 'C.Add(ref int)' for the collection initializer element cannot be used. Collection initializer 'Add' methods cannot have ref or out parameters.
// var c = new C /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasParamModifiers, "1").WithArguments("C.Add(ref int)").WithLocation(10, 35),
// CS1954: The best overloaded method match 'C.Add(ref int)' for the collection initializer element cannot be used. Collection initializer 'Add' methods cannot have ref or out parameters.
// var c = new C /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasParamModifiers, "2").WithArguments("C.Add(ref int)").WithLocation(10, 38),
// CS1954: The best overloaded method match 'C.Add(ref int)' for the collection initializer element cannot be used. Collection initializer 'Add' methods cannot have ref or out parameters.
// var c = new C /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasParamModifiers, "3").WithArguments("C.Add(ref int)").WithLocation(10, 41)
};
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ObjectCreationCollectionInitializerWithDefaultParameterAddMethod()
{
string source = @"
using System;
using System.Collections;
using System.Collections.Generic;
class C : IEnumerable<int>
{
public static void M()
{
var c = new C /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
public IEnumerator<int> GetEnumerator()
{
throw new NotImplementedException();
}
IEnumerator IEnumerable.GetEnumerator()
{
throw new NotImplementedException();
}
public void Add(int i, object o = null)
{
}
}
";
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvocationOperation ( void C.Add(System.Int32 i, [System.Object o = null])) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.DefaultValue, Matching Parameter: o) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
IDefaultValueOperation (OperationKind.DefaultValue, Type: System.Object, Constant: null, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C.Add(System.Int32 i, [System.Object o = null])) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.DefaultValue, Matching Parameter: o) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
IDefaultValueOperation (OperationKind.DefaultValue, Type: System.Object, Constant: null, IsImplicit) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C.Add(System.Int32 i, [System.Object o = null])) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.DefaultValue, Matching Parameter: o) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
IDefaultValueOperation (OperationKind.DefaultValue, Type: System.Object, Constant: null, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
var expectedDiagnostics = DiagnosticDescription.None;
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ObjectCreationCollectionInitializerWithParamsAddMethod()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C : IEnumerable<int>
{
void M(C c)
{
c = new C() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
public void Add(params int[] ints)
{
}
public IEnumerator<int> GetEnumerator()
{
throw new System.NotImplementedException();
}
IEnumerator IEnumerable.GetEnumerator()
{
throw new System.NotImplementedException();
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvocationOperation ( void C.Add(params System.Int32[] ints)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
Arguments(1):
IArgumentOperation (ArgumentKind.ParamArray, Matching Parameter: ints) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
IArrayCreationOperation (OperationKind.ArrayCreation, Type: System.Int32[], IsImplicit) (Syntax: '1')
Dimension Sizes(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
Initializer:
IArrayInitializerOperation (1 elements) (OperationKind.ArrayInitializer, Type: null, IsImplicit) (Syntax: '1')
Element Values(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C.Add(params System.Int32[] ints)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
Arguments(1):
IArgumentOperation (ArgumentKind.ParamArray, Matching Parameter: ints) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
IArrayCreationOperation (OperationKind.ArrayCreation, Type: System.Int32[], IsImplicit) (Syntax: '2')
Dimension Sizes(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '2')
Initializer:
IArrayInitializerOperation (1 elements) (OperationKind.ArrayInitializer, Type: null, IsImplicit) (Syntax: '2')
Element Values(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C.Add(params System.Int32[] ints)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
Arguments(1):
IArgumentOperation (ArgumentKind.ParamArray, Matching Parameter: ints) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
IArrayCreationOperation (OperationKind.ArrayCreation, Type: System.Int32[], IsImplicit) (Syntax: '3')
Dimension Sizes(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '3')
Initializer:
IArrayInitializerOperation (1 elements) (OperationKind.ArrayInitializer, Type: null, IsImplicit) (Syntax: '3')
Element Values(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ObjectCreationCollectionInitializerExtensionAddMethod()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C : IEnumerable<int>
{
void M(C c)
{
c = new C() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
public IEnumerator<int> GetEnumerator()
{
throw new System.NotImplementedException();
}
IEnumerator IEnumerable.GetEnumerator()
{
throw new System.NotImplementedException();
}
}
static class CExtensions
{
public static void Add(this C c, int i)
{
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvocationOperation (void CExtensions.Add(this C c, System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
null
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'C')
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation (void CExtensions.Add(this C c, System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
null
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'C')
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation (void CExtensions.Add(this C c, System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
null
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'C')
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'C')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ObjectCreationCollectionInitializerStaticAddMethod()
{
string source = @"
using System;
using System.Collections;
using System.Collections.Generic;
class C : IEnumerable<int>
{
public static void M()
{
var c = new C /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
public IEnumerator<int> GetEnumerator()
{
throw new NotImplementedException();
}
IEnumerator IEnumerable.GetEnumerator()
{
throw new NotImplementedException();
}
public static void Add(int i)
{
}
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS1921: The best overloaded method match for 'C.Add(int)' has wrong signature for the initializer element. The initializable Add must be an accessible instance method.
// var c = new C /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasWrongSignature, "1").WithArguments("C.Add(int)").WithLocation(10, 35),
// CS1921: The best overloaded method match for 'C.Add(int)' has wrong signature for the initializer element. The initializable Add must be an accessible instance method.
// var c = new C /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasWrongSignature, "2").WithArguments("C.Add(int)").WithLocation(10, 38),
// CS1921: The best overloaded method match for 'C.Add(int)' has wrong signature for the initializer element. The initializable Add must be an accessible instance method.
// var c = new C /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InitializerAddHasWrongSignature, "3").WithArguments("C.Add(int)").WithLocation(10, 41)
};
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C, IsInvalid) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '1')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsInvalid) (Syntax: '1')
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '2')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2, IsInvalid) (Syntax: '2')
IInvalidOperation (OperationKind.Invalid, Type: System.Void, IsInvalid, IsImplicit) (Syntax: '3')
Children(1):
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3, IsInvalid) (Syntax: '3')
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ObjectCreationCollectionInitializerAddMethodOnInterface()
{
string source = @"
using System.Collections.Generic;
using System.Runtime.InteropServices;
[ComImport()]
[CoClass(typeof(CoClassImplementation))]
[Guid(""f9c2d51d-4f44-45f0-9eda-c9d599b58257"")]
public interface IInterface : IEnumerable<int>
{
void Add(int i);
}
public class CoClassImplementation
{
}
class C
{
void M()
{
var iinterface = new IInterface() /*<bind>*/{ 1, 2, 3 }/*</bind>*/;
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: IInterface) (Syntax: '{ 1, 2, 3 }')
Initializers(3):
IInvocationOperation (virtual void IInterface.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: IInterface, IsImplicit) (Syntax: 'IInterface')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation (virtual void IInterface.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: IInterface, IsImplicit) (Syntax: 'IInterface')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation (virtual void IInterface.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: IInterface, IsImplicit) (Syntax: 'IInterface')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ObjectCreationCollectionInitializerBoxingConversion()
{
string source = @"
using System.Collections;
struct S : IEnumerable
{
IEnumerator IEnumerable.GetEnumerator() => null;
}
static class Program
{
static void Add(this object x, int y) { }
static void Main()
{
_ = /*<bind>*/new S() { 1, 2 }/*</bind>*/;
}
}";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectCreationOperation (Constructor: S..ctor()) (OperationKind.ObjectCreation, Type: S) (Syntax: 'new S() { 1, 2 }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: S) (Syntax: '{ 1, 2 }')
Initializers(2):
IInvocationOperation (void Program.Add(this System.Object x, System.Int32 y)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
null
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: x) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'S')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'S')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: S, IsImplicit) (Syntax: 'S')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: y) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation (void Program.Add(this System.Object x, System.Int32 y)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
null
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: x) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'S')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'S')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: S, IsImplicit) (Syntax: 'S')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: y) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)";
VerifyOperationTreeAndDiagnosticsForTest<ObjectCreationExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ObjectCreationNestedObjectInitializerNoSet()
{
string source = @"
class C1
{
void M(C1 c1)
{
c1 = new C1() /*<bind>*/{ [1] = { A = 1 } }/*</bind>*/;
}
C2 this[int i] { get => null; }
}
class C2
{
public int A { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C1) (Syntax: '{ [1] = { A = 1 } }')
Initializers(1):
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: C2) (Syntax: '[1] = { A = 1 }')
InitializedMember:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[1]')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C1, IsImplicit) (Syntax: '[1]')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C2) (Syntax: '{ A = 1 }')
Initializers(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'A = 1')
Left:
IPropertyReferenceOperation: System.Int32 C2.A { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'A')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C2, IsImplicit) (Syntax: 'A')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation)]
[Fact]
public void ObjectCreationNestedCollectionInitializerNoSet()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1
{
void M(C1 c1)
{
c1 = new C1() /*<bind>*/{ [1] = { 1 } }/*</bind>*/;
}
C2 this[int i] { get => null; }
}
class C2 : IEnumerable<int>
{
public IEnumerator<int> GetEnumerator() => throw new System.NotImplementedException();
IEnumerator IEnumerable.GetEnumerator() => throw new System.NotImplementedException();
public void Add(int i) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedOperationTree = @"
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C1) (Syntax: '{ [1] = { 1 } }')
Initializers(1):
IMemberInitializerOperation (OperationKind.MemberInitializer, Type: C2) (Syntax: '[1] = { 1 }')
InitializedMember:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[1]')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C1, IsImplicit) (Syntax: '[1]')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C2) (Syntax: '{ 1 }')
Initializers(1):
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C2, IsImplicit) (Syntax: '[1]')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
";
VerifyOperationTreeAndDiagnosticsForTest<InitializerExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_01()
{
string source = @"
public class MyClass
{
public MyClass(int i1, int i2, int i3) { }
static void M(bool b)
/*<bind>*/{
var c = new MyClass(1, 2, b ? 3 : 4);
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [MyClass c]
CaptureIds: [0] [1] [2]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Jump if False (Regular) to Block[B3]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: MyClass, IsImplicit) (Syntax: 'c = new MyC ... b ? 3 : 4)')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: MyClass, IsImplicit) (Syntax: 'c = new MyC ... b ? 3 : 4)')
Right:
IObjectCreationOperation (Constructor: MyClass..ctor(System.Int32 i1, System.Int32 i2, System.Int32 i3)) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... b ? 3 : 4)')
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i1) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i2) (OperationKind.Argument, Type: null) (Syntax: '2')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 2, IsImplicit) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i3) (OperationKind.Argument, Type: null) (Syntax: 'b ? 3 : 4')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 3 : 4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
null
Next (Regular) Block[B5]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_02()
{
string source = @"
public class MyClass
{
public MyClass(int i1, int i2, int i3) { }
static void M(bool b)
/*<bind>*/{
var c = new MyClass(i1: 1, i2: 2, i3: b ? 3 : 4);
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [MyClass c]
CaptureIds: [0] [1] [2]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Jump if False (Regular) to Block[B3]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: MyClass, IsImplicit) (Syntax: 'c = new MyC ... b ? 3 : 4)')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: MyClass, IsImplicit) (Syntax: 'c = new MyC ... b ? 3 : 4)')
Right:
IObjectCreationOperation (Constructor: MyClass..ctor(System.Int32 i1, System.Int32 i2, System.Int32 i3)) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... b ? 3 : 4)')
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i1) (OperationKind.Argument, Type: null) (Syntax: 'i1: 1')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i2) (OperationKind.Argument, Type: null) (Syntax: 'i2: 2')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 2, IsImplicit) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i3) (OperationKind.Argument, Type: null) (Syntax: 'i3: b ? 3 : 4')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 3 : 4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
null
Next (Regular) Block[B5]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_03()
{
string source = @"
public class MyClass
{
public MyClass(int i1, int i2, int i3) { }
static void M(bool b)
/*<bind>*/{
var c = new MyClass(i3: 3, i2: 2, i1: b ? 1 : 4);
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [MyClass c]
CaptureIds: [0] [1] [2]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Jump if False (Regular) to Block[B3]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: MyClass, IsImplicit) (Syntax: 'c = new MyC ... b ? 1 : 4)')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: MyClass, IsImplicit) (Syntax: 'c = new MyC ... b ? 1 : 4)')
Right:
IObjectCreationOperation (Constructor: MyClass..ctor(System.Int32 i1, System.Int32 i2, System.Int32 i3)) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... b ? 1 : 4)')
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i3) (OperationKind.Argument, Type: null) (Syntax: 'i3: 3')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i2) (OperationKind.Argument, Type: null) (Syntax: 'i2: 2')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 2, IsImplicit) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i1) (OperationKind.Argument, Type: null) (Syntax: 'i1: b ? 1 : 4')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 1 : 4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
null
Next (Regular) Block[B5]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_04()
{
string source = @"
public class MyClass
{
public MyClass(int i1, int i2, int i3 = 0) { }
static void M(bool b)
/*<bind>*/{
var c = new MyClass(i1: 1, i2: b ? 2 : 3);
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [MyClass c]
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Jump if False (Regular) to Block[B3]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: MyClass, IsImplicit) (Syntax: 'c = new MyC ... b ? 2 : 3)')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: MyClass, IsImplicit) (Syntax: 'c = new MyC ... b ? 2 : 3)')
Right:
IObjectCreationOperation (Constructor: MyClass..ctor(System.Int32 i1, System.Int32 i2, [System.Int32 i3 = 0])) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... b ? 2 : 3)')
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i1) (OperationKind.Argument, Type: null) (Syntax: 'i1: 1')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i2) (OperationKind.Argument, Type: null) (Syntax: 'i2: b ? 2 : 3')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 2 : 3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.DefaultValue, Matching Parameter: i3) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new MyClass ... b ? 2 : 3)')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0, IsImplicit) (Syntax: 'new MyClass ... b ? 2 : 3)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
null
Next (Regular) Block[B5]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_05()
{
string source = @"
public class MyClass
{
public int A { get; set; }
static void M()
/*<bind>*/{
var a = new MyClass
{
A = 1
};
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [MyClass a]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (3)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new MyClass ... }')
Value:
IObjectCreationOperation (Constructor: MyClass..ctor()) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'A = 1')
Left:
IPropertyReferenceOperation: System.Int32 MyClass.A { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'A')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: MyClass, IsImplicit) (Syntax: 'a = new MyC ... }')
Left:
ILocalReferenceOperation: a (IsDeclaration: True) (OperationKind.LocalReference, Type: MyClass, IsImplicit) (Syntax: 'a = new MyC ... }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_06()
{
string source = @"
public class MyClass
{
public int A { get; set; }
public int B { get; set; }
static void M(bool b)
/*<bind>*/{
var a = new MyClass
{
A = 1,
B = b ? 2 : 3
};
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [MyClass a]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new MyClass ... }')
Value:
IObjectCreationOperation (Constructor: MyClass..ctor()) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'A = 1')
Left:
IPropertyReferenceOperation: System.Int32 MyClass.A { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'A')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (0)
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'B = b ? 2 : 3')
Left:
IPropertyReferenceOperation: System.Int32 MyClass.B { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'B')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 2 : 3')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: MyClass, IsImplicit) (Syntax: 'a = new MyC ... }')
Left:
ILocalReferenceOperation: a (IsDeclaration: True) (OperationKind.LocalReference, Type: MyClass, IsImplicit) (Syntax: 'a = new MyC ... }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_07()
{
string source = @"
public class MyClass
{
public object A { get; set; }
static void M(bool b)
/*<bind>*/{
var a = new MyClass
{
A = 1
}?.A;
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1} {R2}
.locals {R1}
{
Locals: [System.Object a]
CaptureIds: [0]
.locals {R2}
{
CaptureIds: [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new MyClass ... }')
Value:
IObjectCreationOperation (Constructor: MyClass..ctor()) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: 'A = 1')
Left:
IPropertyReferenceOperation: System.Object MyClass.A { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: 'A')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '1')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Jump if True (Regular) to Block[B3]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'new MyClass ... }')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Leaving: {R2}
Next (Regular) Block[B2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '.A')
Value:
IPropertyReferenceOperation: System.Object MyClass.A { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '.A')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Next (Regular) Block[B4]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new MyClass ... }')
Value:
IDefaultValueOperation (OperationKind.DefaultValue, Type: System.Object, Constant: null, IsImplicit) (Syntax: 'new MyClass ... }')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object, IsImplicit) (Syntax: 'a = new MyC ... }?.A')
Left:
ILocalReferenceOperation: a (IsDeclaration: True) (OperationKind.LocalReference, Type: System.Object, IsImplicit) (Syntax: 'a = new MyC ... }?.A')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'new MyClass ... }?.A')
Next (Regular) Block[B5]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_08()
{
string source = @"
public class MyClass
{
public MyClass(int a, int b) { }
public object A { get; set; }
public object B { get; set; }
static void M(bool b)
/*<bind>*/{
var a = new MyClass(1, b ? 2 : 3)
{
A = 1,
B = b ? 2 : 3
};
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1} {R2}
.locals {R1}
{
Locals: [MyClass a]
CaptureIds: [2]
.locals {R2}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Jump if False (Regular) to Block[B3]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new MyClass ... }')
Value:
IObjectCreationOperation (Constructor: MyClass..ctor(System.Int32 a, System.Int32 b)) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... }')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: a) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: b) (OperationKind.Argument, Type: null) (Syntax: 'b ? 2 : 3')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 2 : 3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
null
Next (Regular) Block[B5]
Leaving: {R2}
}
Block[B5] - Block
Predecessors: [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: 'A = 1')
Left:
IPropertyReferenceOperation: System.Object MyClass.A { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: 'A')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '1')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B6]
Entering: {R3}
.locals {R3}
{
CaptureIds: [3]
Block[B6] - Block
Predecessors: [B5]
Statements (0)
Jump if False (Regular) to Block[B8]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B7]
Block[B7] - Block
Predecessors: [B6]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B9]
Block[B8] - Block
Predecessors: [B6]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B9]
Block[B9] - Block
Predecessors: [B7] [B8]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: 'B = b ? 2 : 3')
Left:
IPropertyReferenceOperation: System.Object MyClass.B { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: 'B')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'b ? 2 : 3')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 2 : 3')
Next (Regular) Block[B10]
Leaving: {R3}
}
Block[B10] - Block
Predecessors: [B9]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: MyClass, IsImplicit) (Syntax: 'a = new MyC ... }')
Left:
ILocalReferenceOperation: a (IsDeclaration: True) (OperationKind.LocalReference, Type: MyClass, IsImplicit) (Syntax: 'a = new MyC ... }')
Right:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Next (Regular) Block[B11]
Leaving: {R1}
}
Block[B11] - Exit
Predecessors: [B10]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_09()
{
string source = @"
class C1
{
public C2 C2 { get; set; } = new C2();
public void M()
/*<bind>*/{
var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public C3 C31 { get; set; }
public C3 C32 { get; set; }
}
class C3
{
public int P1 { get; set; }
public int P2 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (4)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 2 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... 2 = 2 } } }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P1 = 1')
Left:
IPropertyReferenceOperation: System.Int32 C3.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P1')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 2 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P2 = 2')
Left:
IPropertyReferenceOperation: System.Int32 C3.P2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P2')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 2 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 2 = 2 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 2 = 2 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 2 } } }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_10()
{
string source = @"
class C1
{
public C2 C2 { get; set; } = new C2();
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = { P1 = 3, P2 = b ? 4 : 5 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public C3 C31 { get; set; }
public C3 C32 { get; set; }
}
class C3
{
public int P1 { get; set; }
public int P2 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (4)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P1 = 1')
Left:
IPropertyReferenceOperation: System.Int32 C3.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P1')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P2 = 2')
Left:
IPropertyReferenceOperation: System.Int32 C3.P2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P2')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P1 = 3')
Left:
IPropertyReferenceOperation: System.Int32 C3.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P1')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C32 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C32')
Value:
IPropertyReferenceOperation: C3 C2.C32 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '5')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P2 = b ? 4 : 5')
Left:
IPropertyReferenceOperation: System.Int32 C3.P2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P2')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'C32')
Right:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 4 : 5')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 4 : 5 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 4 : 5 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_11()
{
string source = @"
class C1
{
public C2 C2 { get; set; } = new C2();
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { P1 = b ? 1 : 5, P2 = 2 }, C32 = { P1 = 3, P2 = 4 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public C3 C31 { get; set; }
public C3 C32 { get; set; }
}
class C3
{
public int P1 { get; set; }
public int P2 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C31')
Value:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '5')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P1 = b ? 1 : 5')
Left:
IPropertyReferenceOperation: System.Int32 C3.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P1')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'C31')
Right:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 1 : 5')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (4)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P2 = 2')
Left:
IPropertyReferenceOperation: System.Int32 C3.P2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P2')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P1 = 3')
Left:
IPropertyReferenceOperation: System.Int32 C3.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P1')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C32 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P2 = 4')
Left:
IPropertyReferenceOperation: System.Int32 C3.P2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P2')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C32 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 2 = 4 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 2 = 4 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_12()
{
string source = @"
class C1
{
public C2 C2 { get; set; } = new C2();
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
}/*</bind>*/ };
}
}
class C2
{
public C2()
{
}
public C3 C31 { get; set; }
public C3 C32 { get; set; }
}
class C3
{
public int P1 { get; set; }
public int P2 { get; set; }
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// (8,70): error CS1525: Invalid expression term '{'
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_InvalidExprTerm, "{").WithArguments("{").WithLocation(8, 70),
// (8,70): error CS1026: ) expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_CloseParenExpected, "{").WithLocation(8, 70),
// (8,70): error CS1003: Syntax error, ':' expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_SyntaxError, "{").WithArguments(":").WithLocation(8, 70),
// (8,70): error CS1525: Invalid expression term '{'
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_InvalidExprTerm, "{").WithArguments("{").WithLocation(8, 70),
// (8,70): error CS1003: Syntax error, ',' expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_SyntaxError, "{").WithArguments(",").WithLocation(8, 70),
// (8,88): error CS1003: Syntax error, ',' expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_SyntaxError, ")").WithArguments(",").WithLocation(8, 88),
// (8,90): error CS1513: } expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_RbraceExpected, ":").WithLocation(8, 90),
// (8,90): error CS1513: } expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_RbraceExpected, ":").WithLocation(8, 90),
// (8,90): error CS1002: ; expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_SemicolonExpected, ":").WithLocation(8, 90),
// (8,90): error CS1513: } expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_RbraceExpected, ":").WithLocation(8, 90),
// (8,93): error CS1525: Invalid expression term '{'
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_InvalidExprTerm, "{").WithArguments("{").WithLocation(8, 93),
// (8,93): error CS1026: ) expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_CloseParenExpected, "{").WithLocation(8, 93),
// (8,93): error CS1002: ; expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_SemicolonExpected, "{").WithLocation(8, 93),
// (8,101): error CS1002: ; expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_SemicolonExpected, ",").WithLocation(8, 101),
// (8,101): error CS1513: } expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_RbraceExpected, ",").WithLocation(8, 101),
// (8,110): error CS1002: ; expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_SemicolonExpected, "}").WithLocation(8, 110),
// (8,111): error CS1513: } expected
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_RbraceExpected, ")").WithLocation(8, 111),
// (10,5): error CS1022: Type or namespace definition, or end-of-file expected
// }
Diagnostic(ErrorCode.ERR_EOFExpected, "}").WithLocation(10, 5),
// (11,1): error CS1022: Type or namespace definition, or end-of-file expected
// }
Diagnostic(ErrorCode.ERR_EOFExpected, "}").WithLocation(11, 1),
// (8,72): error CS0103: The name 'P1' does not exist in the current context
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_NameNotInContext, "P1").WithArguments("P1").WithLocation(8, 72),
// (8,80): error CS0103: The name 'P2' does not exist in the current context
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_NameNotInContext, "P2").WithArguments("P2").WithLocation(8, 80),
// (8,70): error CS0747: Invalid initializer member declarator
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_InvalidInitializerElementInitializer, "{ P1 = 3, P2 = 4 }").WithLocation(8, 70),
// (8,95): error CS0103: The name 'P1' does not exist in the current context
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_NameNotInContext, "P1").WithArguments("P1").WithLocation(8, 95),
// (8,103): error CS0103: The name 'P2' does not exist in the current context
// var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = b ? ({ P1 = 3, P2 = 4 }) : ({ P1 = 3, P2 = 4 })
Diagnostic(ErrorCode.ERR_NameNotInContext, "P2").WithArguments("P2").WithLocation(8, 103)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1} {R2}
.locals {R1}
{
Locals: [C1 x]
.locals {R2}
{
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (3)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new C1 { C2 ... , P2 = 4 })')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1, IsInvalid) (Syntax: 'new C1 { C2 ... , P2 = 4 })')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P1 = 1')
Left:
IPropertyReferenceOperation: System.Int32 C3.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P1')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { C2 ... , P2 = 4 })')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P2 = 2')
Left:
IPropertyReferenceOperation: System.Int32 C3.P2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'P2')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { C2 ... , P2 = 4 })')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B2]
Entering: {R3}
.locals {R3}
{
CaptureIds: [1] [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C2')
Value:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { C2 ... , P2 = 4 })')
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: '')
Value:
IInvalidOperation (OperationKind.Invalid, Type: null, IsInvalid) (Syntax: '')
Children(0)
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: '')
Value:
IInvalidOperation (OperationKind.Invalid, Type: null, IsInvalid) (Syntax: '')
Children(0)
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C3, IsInvalid) (Syntax: 'C32 = b ? (')
Left:
IPropertyReferenceOperation: C3 C2.C32 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: 'C2')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C3, IsInvalid, IsImplicit) (Syntax: 'b ? (')
Conversion: CommonConversion (Exists: False, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(NoConversion)
Operand:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: ?, IsInvalid, IsImplicit) (Syntax: 'b ? (')
Next (Regular) Block[B6]
Leaving: {R3}
}
Block[B6] - Block
Predecessors: [B5]
Statements (2)
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: '{ P1 = 3, P2 = 4 }')
Children(2):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?, IsInvalid) (Syntax: 'P1 = 3')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'P1')
Children(0)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3, IsInvalid) (Syntax: '3')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?, IsInvalid) (Syntax: 'P2 = 4')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'P2')
Children(0)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4, IsInvalid) (Syntax: '4')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsInvalid, IsImplicit) (Syntax: 'x = new C1 ... , P2 = 4 })')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'x = new C1 ... , P2 = 4 })')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { C2 ... , P2 = 4 })')
Next (Regular) Block[B7]
Leaving: {R2}
}
Block[B7] - Block
Predecessors: [B6]
Statements (3)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null, IsInvalid) (Syntax: '(')
Expression:
IInvalidOperation (OperationKind.Invalid, Type: null, IsInvalid) (Syntax: '')
Children(0)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null, IsInvalid) (Syntax: 'P1 = 3')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?, IsInvalid) (Syntax: 'P1 = 3')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'P1')
Children(0)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3, IsInvalid) (Syntax: '3')
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null, IsInvalid) (Syntax: 'P2 = 4 ')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?, IsInvalid) (Syntax: 'P2 = 4')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'P2')
Children(0)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B8]
Leaving: {R1}
}
Block[B8] - Exit
Predecessors: [B7]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_13()
{
string source = @"
class C1
{
public C2 C2 { get; set; } = new C2();
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { [1] = 2, [3] = 4 }, C32 = { [5] = 6, [7] = 8 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public C3 C31 { get; set; }
public C3 C32 { get; set; }
}
class C3
{
public object this[int i]
{
get => null;
set { }
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[1] = 2')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[1]')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '2')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B3]
Leaving: {R2}
Entering: {R3}
}
.locals {R3}
{
CaptureIds: [2]
Block[B3] - Block
Predecessors: [B2]
Statements (2)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[3] = 4')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[3]')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '3')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '4')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B4]
Leaving: {R3}
Entering: {R4}
}
.locals {R4}
{
CaptureIds: [3]
Block[B4] - Block
Predecessors: [B3]
Statements (2)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '5')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[5] = 6')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[5]')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C32 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '5')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 5, IsImplicit) (Syntax: '5')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '6')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 6) (Syntax: '6')
Next (Regular) Block[B5]
Leaving: {R4}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [4]
Block[B5] - Block
Predecessors: [B4]
Statements (2)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '7')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 7) (Syntax: '7')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[7] = 8')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[7]')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C32 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '7')
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 7, IsImplicit) (Syntax: '7')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '8')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 8) (Syntax: '8')
Next (Regular) Block[B6]
Leaving: {R5}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... ] = 8 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... ] = 8 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_14()
{
string source = @"
class C1
{
public C2 C2 { get; set; } = new C2();
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { [1] = 2, [3] = 4 }, C32 = { [5] = 6, [b ? 7 : 8] = 9 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public C3 C31 { get; set; }
public C3 C32 { get; set; }
}
class C3
{
public object this[int i]
{
get => null;
set { }
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[1] = 2')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[1]')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '2')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B3]
Leaving: {R2}
Entering: {R3}
}
.locals {R3}
{
CaptureIds: [2]
Block[B3] - Block
Predecessors: [B2]
Statements (2)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[3] = 4')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[3]')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '3')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '4')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B4]
Leaving: {R3}
Entering: {R4}
}
.locals {R4}
{
CaptureIds: [3]
Block[B4] - Block
Predecessors: [B3]
Statements (2)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '5')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[5] = 6')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[5]')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C32 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '5')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 5, IsImplicit) (Syntax: '5')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '6')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 6) (Syntax: '6')
Next (Regular) Block[B5]
Leaving: {R4}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [4]
Block[B5] - Block
Predecessors: [B4]
Statements (0)
Jump if False (Regular) to Block[B7]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B6]
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '7')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 7) (Syntax: '7')
Next (Regular) Block[B8]
Block[B7] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '8')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 8) (Syntax: '8')
Next (Regular) Block[B8]
Block[B8] - Block
Predecessors: [B6] [B7]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[b ? 7 : 8] = 9')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[b ? 7 : 8]')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C32 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'b ? 7 : 8')
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 7 : 8')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '9')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 9) (Syntax: '9')
Next (Regular) Block[B9]
Leaving: {R5}
}
Block[B9] - Block
Predecessors: [B8]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... ] = 9 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... ] = 9 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Next (Regular) Block[B10]
Leaving: {R1}
}
Block[B10] - Exit
Predecessors: [B9]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_15()
{
string source = @"
class C1
{
public C2 C2 { get; set; } = new C2();
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { [1] = 2, [3] = 4 }, C32 = { [5] = 6, [7] = b ? 8 : 9 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public C3 C31 { get; set; }
public C3 C32 { get; set; }
}
class C3
{
public object this[int i]
{
get => null;
set { }
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[1] = 2')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[1]')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '2')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B3]
Leaving: {R2}
Entering: {R3}
}
.locals {R3}
{
CaptureIds: [2]
Block[B3] - Block
Predecessors: [B2]
Statements (2)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[3] = 4')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[3]')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '3')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '4')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B4]
Leaving: {R3}
Entering: {R4}
}
.locals {R4}
{
CaptureIds: [3]
Block[B4] - Block
Predecessors: [B3]
Statements (2)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '5')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[5] = 6')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[5]')
Instance Receiver:
IPropertyReferenceOperation: C3 C2.C32 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '5')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 5, IsImplicit) (Syntax: '5')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '6')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 6) (Syntax: '6')
Next (Regular) Block[B5]
Leaving: {R4}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [4] [5] [6]
Block[B5] - Block
Predecessors: [B4]
Statements (2)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '7')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 7) (Syntax: '7')
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C32')
Value:
IPropertyReferenceOperation: C3 C2.C32 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Jump if False (Regular) to Block[B7]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B6]
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '8')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 8) (Syntax: '8')
Next (Regular) Block[B8]
Block[B7] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '9')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 9) (Syntax: '9')
Next (Regular) Block[B8]
Block[B8] - Block
Predecessors: [B6] [B7]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[7] = b ? 8 : 9')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[7]')
Instance Receiver:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'C32')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '7')
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 7, IsImplicit) (Syntax: '7')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'b ? 8 : 9')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 8 : 9')
Next (Regular) Block[B9]
Leaving: {R5}
}
Block[B9] - Block
Predecessors: [B8]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 8 : 9 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 8 : 9 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Next (Regular) Block[B10]
Leaving: {R1}
}
Block[B10] - Exit
Predecessors: [B9]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_16()
{
string source = @"
class C1
{
public C2 C2 { get; set; } = new C2();
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { [""C3""] = b ? new C3 { [1] = 2, [3] = 4 } : new C3 { [5] = 6, [7] = b ? 8 : 9 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public object this[string i]
{
get => null;
set { }
}
}
class C3
{
public object this[int i]
{
get => null;
set { }
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [2] [3]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '""C3""')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.String, Constant: ""C3"") (Syntax: '""C3""')
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C2')
Value:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Jump if False (Regular) to Block[B7]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Entering: {R6}
Next (Regular) Block[B3]
Entering: {R3}
.locals {R3}
{
CaptureIds: [4]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Value:
IObjectCreationOperation (Constructor: C3..ctor()) (OperationKind.ObjectCreation, Type: C3) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B4]
Entering: {R4}
.locals {R4}
{
CaptureIds: [5]
Block[B4] - Block
Predecessors: [B3]
Statements (2)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[1] = 2')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[1]')
Instance Receiver:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '2')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B5]
Leaving: {R4}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [6]
Block[B5] - Block
Predecessors: [B4]
Statements (2)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[3] = 4')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[3]')
Instance Receiver:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '3')
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '4')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B6]
Leaving: {R5}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Value:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Next (Regular) Block[B14]
Leaving: {R3}
}
.locals {R6}
{
CaptureIds: [7]
Block[B7] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 7 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Value:
IObjectCreationOperation (Constructor: C3..ctor()) (OperationKind.ObjectCreation, Type: C3) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B8]
Entering: {R7}
.locals {R7}
{
CaptureIds: [8]
Block[B8] - Block
Predecessors: [B7]
Statements (2)
IFlowCaptureOperation: 8 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '5')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[5] = 6')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[5]')
Instance Receiver:
IFlowCaptureReferenceOperation: 7 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '5')
IFlowCaptureReferenceOperation: 8 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 5, IsImplicit) (Syntax: '5')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '6')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 6) (Syntax: '6')
Next (Regular) Block[B9]
Leaving: {R7}
Entering: {R8}
}
.locals {R8}
{
CaptureIds: [9] [10]
Block[B9] - Block
Predecessors: [B8]
Statements (1)
IFlowCaptureOperation: 9 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '7')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 7) (Syntax: '7')
Jump if False (Regular) to Block[B11]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B10]
Block[B10] - Block
Predecessors: [B9]
Statements (1)
IFlowCaptureOperation: 10 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '8')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 8) (Syntax: '8')
Next (Regular) Block[B12]
Block[B11] - Block
Predecessors: [B9]
Statements (1)
IFlowCaptureOperation: 10 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '9')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 9) (Syntax: '9')
Next (Regular) Block[B12]
Block[B12] - Block
Predecessors: [B10] [B11]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[7] = b ? 8 : 9')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[7]')
Instance Receiver:
IFlowCaptureReferenceOperation: 7 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '7')
IFlowCaptureReferenceOperation: 9 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 7, IsImplicit) (Syntax: '7')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'b ? 8 : 9')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
IFlowCaptureReferenceOperation: 10 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 8 : 9')
Next (Regular) Block[B13]
Leaving: {R8}
}
Block[B13] - Block
Predecessors: [B12]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Value:
IFlowCaptureReferenceOperation: 7 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Next (Regular) Block[B14]
Leaving: {R6}
}
Block[B14] - Block
Predecessors: [B6] [B13]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[""C3""] = b ... b ? 8 : 9 }')
Left:
IPropertyReferenceOperation: System.Object C2.this[System.String i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[""C3""]')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: 'C2')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '""C3""')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.String, Constant: ""C3"", IsImplicit) (Syntax: '""C3""')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'b ? new C3 ... b ? 8 : 9 }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'b ? new C3 ... b ? 8 : 9 }')
Next (Regular) Block[B15]
Leaving: {R2}
}
Block[B15] - Block
Predecessors: [B14]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 8 : 9 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 8 : 9 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Next (Regular) Block[B16]
Leaving: {R1}
}
Block[B16] - Exit
Predecessors: [B15]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_17()
{
string source = @"
class C1
{
public C2 C2 { get; set; }
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { [GetInt(1)] = b ? new C1() : null } } };
}/*</bind>*/
int GetInt(int x) => x;
}
class C2
{
public C2()
{
}
public C3 C31 { get; set; }
public C3 C32 { get; set; }
}
class C3
{
public object this[int i]
{
get => null;
set { }
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... null } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... null } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [2] [3]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt(1)')
Value:
IInvocationOperation ( System.Int32 C1.GetInt(System.Int32 x)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(1)')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C1, IsImplicit) (Syntax: 'GetInt')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: x) (OperationKind.Argument, Type: null) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C31')
Value:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... null } } }')
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1()')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1()')
Arguments(0)
Initializer:
null
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'null')
Value:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C1, Constant: null, IsImplicit) (Syntax: 'null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null) (Syntax: 'null')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[GetInt(1)] ... C1() : null')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[GetInt(1)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'C31')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt(1)')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt(1)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'b ? new C1() : null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'b ? new C1() : null')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... null } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... null } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... null } } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_18()
{
string source = @"
class C1
{
public void M(bool b)
/*<bind>*/{
var x = new C1 { [1, b ? 2 : 3] = null };
}/*</bind>*/
private C1 this[int i, int j]
{
get => null;
set { }
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { [1 ... 3] = null }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { [1 ... 3] = null }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: '[1, b ? 2 : 3] = null')
Left:
IPropertyReferenceOperation: C1 C1.this[System.Int32 i, System.Int32 j] { get; set; } (OperationKind.PropertyReference, Type: C1) (Syntax: '[1, b ? 2 : 3]')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [1 ... 3] = null }')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: j) (OperationKind.Argument, Type: null) (Syntax: 'b ? 2 : 3')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 2 : 3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C1, Constant: null, IsImplicit) (Syntax: 'null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null) (Syntax: 'null')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 3] = null }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 3] = null }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [1 ... 3] = null }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_19()
{
string source = @"
class C1
{
public C2 C2 { get; set; }
public void M(bool b, int? i)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { [i ?? GetInt(1)] = b ? new C1() : null } } };
}/*</bind>*/
int GetInt(int x) => x;
}
class C2
{
public C2()
{
}
public C3 C31 { get; set; }
public C3 C32 { get; set; }
}
class C3
{
public object this[int i]
{
get => null;
set { }
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... null } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... null } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [2] [3] [4]
.locals {R3}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i')
Value:
IParameterReferenceOperation: i (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i')
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt(1)')
Value:
IInvocationOperation ( System.Int32 C1.GetInt(System.Int32 x)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(1)')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C1, IsImplicit) (Syntax: 'GetInt')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: x) (OperationKind.Argument, Type: null) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C31')
Value:
IPropertyReferenceOperation: C3 C2.C31 { get; set; } (OperationKind.PropertyReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... null } } }')
Jump if False (Regular) to Block[B7]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B6]
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1()')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1()')
Arguments(0)
Initializer:
null
Next (Regular) Block[B8]
Block[B7] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'null')
Value:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C1, Constant: null, IsImplicit) (Syntax: 'null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null) (Syntax: 'null')
Next (Regular) Block[B8]
Block[B8] - Block
Predecessors: [B6] [B7]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[i ?? GetIn ... C1() : null')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[i ?? GetInt(1)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'C31')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i ?? GetInt(1)')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i ?? GetInt(1)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'b ? new C1() : null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'b ? new C1() : null')
Next (Regular) Block[B9]
Leaving: {R2}
}
Block[B9] - Block
Predecessors: [B8]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... null } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... null } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... null } } }')
Next (Regular) Block[B10]
Leaving: {R1}
}
Block[B10] - Exit
Predecessors: [B9]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_20()
{
string source = @"
class C1
{
public void M(bool b)
/*<bind>*/{
var x = new C1 { O[b ? 1 : 2] = null };
}/*</bind>*/
public object[] O { get; set; }
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS1922: Cannot initialize type 'C1' with a collection initializer because it does not implement 'System.Collections.IEnumerable'
// var x = new C1 { O[b ? 1 : 2] = null };
Diagnostic(ErrorCode.ERR_CollectionInitRequiresIEnumerable, "{ O[b ? 1 : 2] = null }").WithArguments("C1").WithLocation(6, 24),
// CS0747: Invalid initializer member declarator
// var x = new C1 { O[b ? 1 : 2] = null };
Diagnostic(ErrorCode.ERR_InvalidInitializerElementInitializer, "O[b ? 1 : 2] = null").WithLocation(6, 26)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new C1 { O[ ... 2] = null }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1, IsInvalid) (Syntax: 'new C1 { O[ ... 2] = null }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'O')
Value:
IPropertyReferenceOperation: System.Object[] C1.O { get; set; } (OperationKind.PropertyReference, Type: System.Object[], IsInvalid) (Syntax: 'O')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'O')
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean, IsInvalid) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsInvalid) (Syntax: '1')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2, IsInvalid) (Syntax: '2')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'O[b ? 1 : 2] = null')
Children(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object, IsInvalid) (Syntax: 'O[b ? 1 : 2] = null')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Object, IsInvalid) (Syntax: 'O[b ? 1 : 2]')
Array reference:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Object[], IsInvalid, IsImplicit) (Syntax: 'O')
Indices(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsInvalid, IsImplicit) (Syntax: 'b ? 1 : 2')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, Constant: null, IsInvalid, IsImplicit) (Syntax: 'null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null, IsInvalid) (Syntax: 'null')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsInvalid, IsImplicit) (Syntax: 'x = new C1 ... 2] = null }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'x = new C1 ... 2] = null }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { O[ ... 2] = null }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_21()
{
string source = @"
public class MyClass
{
public int A;
static void M()
/*<bind>*/{
var a = new MyClass
{
A = 1
};
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [MyClass a]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (3)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new MyClass ... }')
Value:
IObjectCreationOperation (Constructor: MyClass..ctor()) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'A = 1')
Left:
IFieldReferenceOperation: System.Int32 MyClass.A (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'A')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: MyClass, IsImplicit) (Syntax: 'a = new MyC ... }')
Left:
ILocalReferenceOperation: a (IsDeclaration: True) (OperationKind.LocalReference, Type: MyClass, IsImplicit) (Syntax: 'a = new MyC ... }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_22()
{
string source = @"
public class MyClass
{
public int A;
public int B;
static void M(bool b)
/*<bind>*/{
var a = new MyClass
{
A = 1,
B = b ? 2 : 3
};
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [MyClass a]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new MyClass ... }')
Value:
IObjectCreationOperation (Constructor: MyClass..ctor()) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'A = 1')
Left:
IFieldReferenceOperation: System.Int32 MyClass.A (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'A')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (0)
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'B = b ? 2 : 3')
Left:
IFieldReferenceOperation: System.Int32 MyClass.B (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'B')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 2 : 3')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: MyClass, IsImplicit) (Syntax: 'a = new MyC ... }')
Left:
ILocalReferenceOperation: a (IsDeclaration: True) (OperationKind.LocalReference, Type: MyClass, IsImplicit) (Syntax: 'a = new MyC ... }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_23()
{
string source = @"
public class MyClass
{
public object A;
static void M(bool b)
/*<bind>*/{
var a = new MyClass
{
A = 1
}?.A;
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1} {R2}
.locals {R1}
{
Locals: [System.Object a]
CaptureIds: [0]
.locals {R2}
{
CaptureIds: [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new MyClass ... }')
Value:
IObjectCreationOperation (Constructor: MyClass..ctor()) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: 'A = 1')
Left:
IFieldReferenceOperation: System.Object MyClass.A (OperationKind.FieldReference, Type: System.Object) (Syntax: 'A')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '1')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Jump if True (Regular) to Block[B3]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'new MyClass ... }')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Leaving: {R2}
Next (Regular) Block[B2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '.A')
Value:
IFieldReferenceOperation: System.Object MyClass.A (OperationKind.FieldReference, Type: System.Object) (Syntax: '.A')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: MyClass, IsImplicit) (Syntax: 'new MyClass ... }')
Next (Regular) Block[B4]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new MyClass ... }')
Value:
IDefaultValueOperation (OperationKind.DefaultValue, Type: System.Object, Constant: null, IsImplicit) (Syntax: 'new MyClass ... }')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object, IsImplicit) (Syntax: 'a = new MyC ... }?.A')
Left:
ILocalReferenceOperation: a (IsDeclaration: True) (OperationKind.LocalReference, Type: System.Object, IsImplicit) (Syntax: 'a = new MyC ... }?.A')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'new MyClass ... }?.A')
Next (Regular) Block[B5]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_24()
{
string source = @"
class C1
{
public C2 C2;
public void M()
/*<bind>*/{
var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public C3 C31;
public C3 C32;
}
class C3
{
public int P1;
public int P2;
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0649: Field 'C2.C32' is never assigned to, and will always have its default value null
// public C3 C32;
Diagnostic(ErrorCode.WRN_UnassignedInternalField, "C32").WithArguments("C2.C32", "null").WithLocation(19, 15)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (4)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 2 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... 2 = 2 } } }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P1 = 1')
Left:
IFieldReferenceOperation: System.Int32 C3.P1 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'P1')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C31 (OperationKind.FieldReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 2 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P2 = 2')
Left:
IFieldReferenceOperation: System.Int32 C3.P2 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'P2')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C31 (OperationKind.FieldReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 2 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 2 = 2 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 2 = 2 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 2 } } }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ControlFlow_25()
{
string source = @"
class C1
{
public C2 C2;
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { P1 = 1, P2 = 2 }, C32 = { P1 = 3, P2 = b ? 4 : 5 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public C3 C31;
public C3 C32;
}
class C3
{
public int P1;
public int P2;
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (4)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P1 = 1')
Left:
IFieldReferenceOperation: System.Int32 C3.P1 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'P1')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C31 (OperationKind.FieldReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P2 = 2')
Left:
IFieldReferenceOperation: System.Int32 C3.P2 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'P2')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C31 (OperationKind.FieldReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P1 = 3')
Left:
IFieldReferenceOperation: System.Int32 C3.P1 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'P1')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C32 (OperationKind.FieldReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C32')
Value:
IFieldReferenceOperation: C3 C2.C32 (OperationKind.FieldReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '5')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P2 = b ? 4 : 5')
Left:
IFieldReferenceOperation: System.Int32 C3.P2 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'P2')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'C32')
Right:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 4 : 5')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 4 : 5 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 4 : 5 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 4 : 5 } } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_26()
{
string source = @"
class C1
{
public C2 C2;
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { P1 = b ? 1 : 5, P2 = 2 }, C32 = { P1 = 3, P2 = 4 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public C3 C31;
public C3 C32;
}
class C3
{
public int P1;
public int P2;
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C31')
Value:
IFieldReferenceOperation: C3 C2.C31 (OperationKind.FieldReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '5')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P1 = b ? 1 : 5')
Left:
IFieldReferenceOperation: System.Int32 C3.P1 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'P1')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'C31')
Right:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 1 : 5')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (4)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P2 = 2')
Left:
IFieldReferenceOperation: System.Int32 C3.P2 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'P2')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C31 (OperationKind.FieldReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P1 = 3')
Left:
IFieldReferenceOperation: System.Int32 C3.P1 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'P1')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C32 (OperationKind.FieldReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'P2 = 4')
Left:
IFieldReferenceOperation: System.Int32 C3.P2 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'P2')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C32 (OperationKind.FieldReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 2 = 4 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 2 = 4 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 2 = 4 } } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_27()
{
string source = @"
class C1
{
public C2 C2;
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { [1] = 2, [3] = 4 }, C32 = { [5] = 6, [7] = 8 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public C3 C31;
public C3 C32;
}
class C3
{
public object this[int i]
{
get => null;
set { }
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[1] = 2')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[1]')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C31 (OperationKind.FieldReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '2')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B3]
Leaving: {R2}
Entering: {R3}
}
.locals {R3}
{
CaptureIds: [2]
Block[B3] - Block
Predecessors: [B2]
Statements (2)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[3] = 4')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[3]')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C31 (OperationKind.FieldReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '3')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '4')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B4]
Leaving: {R3}
Entering: {R4}
}
.locals {R4}
{
CaptureIds: [3]
Block[B4] - Block
Predecessors: [B3]
Statements (2)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '5')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[5] = 6')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[5]')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C32 (OperationKind.FieldReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '5')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 5, IsImplicit) (Syntax: '5')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '6')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 6) (Syntax: '6')
Next (Regular) Block[B5]
Leaving: {R4}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [4]
Block[B5] - Block
Predecessors: [B4]
Statements (2)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '7')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 7) (Syntax: '7')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[7] = 8')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[7]')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C32 (OperationKind.FieldReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '7')
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 7, IsImplicit) (Syntax: '7')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '8')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 8) (Syntax: '8')
Next (Regular) Block[B6]
Leaving: {R5}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... ] = 8 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... ] = 8 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 8 } } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_28()
{
string source = @"
class C1
{
public C2 C2;
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { [1] = 2, [3] = 4 }, C32 = { [5] = 6, [b ? 7 : 8] = 9 } } };
}/*</bind>*/
}
class C2
{
public C2()
{
}
public C3 C31;
public C3 C32;
}
class C3
{
public object this[int i]
{
get => null;
set { }
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[1] = 2')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[1]')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C31 (OperationKind.FieldReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '2')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B3]
Leaving: {R2}
Entering: {R3}
}
.locals {R3}
{
CaptureIds: [2]
Block[B3] - Block
Predecessors: [B2]
Statements (2)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[3] = 4')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[3]')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C31 (OperationKind.FieldReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '3')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '4')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B4]
Leaving: {R3}
Entering: {R4}
}
.locals {R4}
{
CaptureIds: [3]
Block[B4] - Block
Predecessors: [B3]
Statements (2)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '5')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[5] = 6')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[5]')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C32 (OperationKind.FieldReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '5')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 5, IsImplicit) (Syntax: '5')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '6')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 6) (Syntax: '6')
Next (Regular) Block[B5]
Leaving: {R4}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [4]
Block[B5] - Block
Predecessors: [B4]
Statements (0)
Jump if False (Regular) to Block[B7]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B6]
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '7')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 7) (Syntax: '7')
Next (Regular) Block[B8]
Block[B7] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '8')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 8) (Syntax: '8')
Next (Regular) Block[B8]
Block[B8] - Block
Predecessors: [B6] [B7]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[b ? 7 : 8] = 9')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[b ? 7 : 8]')
Instance Receiver:
IFieldReferenceOperation: C3 C2.C32 (OperationKind.FieldReference, Type: C3) (Syntax: 'C32')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'b ? 7 : 8')
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 7 : 8')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '9')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 9) (Syntax: '9')
Next (Regular) Block[B9]
Leaving: {R5}
}
Block[B9] - Block
Predecessors: [B8]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... ] = 9 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... ] = 9 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... ] = 9 } } }')
Next (Regular) Block[B10]
Leaving: {R1}
}
Block[B10] - Exit
Predecessors: [B9]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_29()
{
string source = @"
class C1
{
public C2 C2;
public void M(bool b)
/*<bind>*/{
var x = new C1 { C2 = { [""C3""] = b ? new C3 { [1] = 2, [3] = 4 } : new C3 { [5] = 6, [7] = b ? 8 : 9 } } };
}/*</bind>*/
}
class C2
{
public object this[string i]
{
get => null;
set { }
}
}
class C3
{
public object this[int i]
{
get => null;
set { }
}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [2] [3]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '""C3""')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.String, Constant: ""C3"") (Syntax: '""C3""')
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C2')
Value:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Jump if False (Regular) to Block[B7]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Entering: {R6}
Next (Regular) Block[B3]
Entering: {R3}
.locals {R3}
{
CaptureIds: [4]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Value:
IObjectCreationOperation (Constructor: C3..ctor()) (OperationKind.ObjectCreation, Type: C3) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B4]
Entering: {R4}
.locals {R4}
{
CaptureIds: [5]
Block[B4] - Block
Predecessors: [B3]
Statements (2)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[1] = 2')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[1]')
Instance Receiver:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '2')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B5]
Leaving: {R4}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [6]
Block[B5] - Block
Predecessors: [B4]
Statements (2)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[3] = 4')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[3]')
Instance Receiver:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '3')
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '4')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B6]
Leaving: {R5}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Value:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [1 ... , [3] = 4 }')
Next (Regular) Block[B14]
Leaving: {R3}
}
.locals {R6}
{
CaptureIds: [7]
Block[B7] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 7 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Value:
IObjectCreationOperation (Constructor: C3..ctor()) (OperationKind.ObjectCreation, Type: C3) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B8]
Entering: {R7}
.locals {R7}
{
CaptureIds: [8]
Block[B8] - Block
Predecessors: [B7]
Statements (2)
IFlowCaptureOperation: 8 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '5')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[5] = 6')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[5]')
Instance Receiver:
IFlowCaptureReferenceOperation: 7 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '5')
IFlowCaptureReferenceOperation: 8 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 5, IsImplicit) (Syntax: '5')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '6')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 6) (Syntax: '6')
Next (Regular) Block[B9]
Leaving: {R7}
Entering: {R8}
}
.locals {R8}
{
CaptureIds: [9] [10]
Block[B9] - Block
Predecessors: [B8]
Statements (1)
IFlowCaptureOperation: 9 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '7')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 7) (Syntax: '7')
Jump if False (Regular) to Block[B11]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B10]
Block[B10] - Block
Predecessors: [B9]
Statements (1)
IFlowCaptureOperation: 10 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '8')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 8) (Syntax: '8')
Next (Regular) Block[B12]
Block[B11] - Block
Predecessors: [B9]
Statements (1)
IFlowCaptureOperation: 10 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '9')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 9) (Syntax: '9')
Next (Regular) Block[B12]
Block[B12] - Block
Predecessors: [B10] [B11]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[7] = b ? 8 : 9')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[7]')
Instance Receiver:
IFlowCaptureReferenceOperation: 7 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '7')
IFlowCaptureReferenceOperation: 9 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 7, IsImplicit) (Syntax: '7')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'b ? 8 : 9')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
IFlowCaptureReferenceOperation: 10 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 8 : 9')
Next (Regular) Block[B13]
Leaving: {R8}
}
Block[B13] - Block
Predecessors: [B12]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Value:
IFlowCaptureReferenceOperation: 7 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'new C3 { [5 ... b ? 8 : 9 }')
Next (Regular) Block[B14]
Leaving: {R6}
}
Block[B14] - Block
Predecessors: [B6] [B13]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[""C3""] = b ... b ? 8 : 9 }')
Left:
IPropertyReferenceOperation: System.Object C2.this[System.String i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[""C3""]')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: 'C2')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '""C3""')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.String, Constant: ""C3"", IsImplicit) (Syntax: '""C3""')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'b ? new C3 ... b ? 8 : 9 }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'b ? new C3 ... b ? 8 : 9 }')
Next (Regular) Block[B15]
Leaving: {R2}
}
Block[B15] - Block
Predecessors: [B14]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 8 : 9 } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... 8 : 9 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... 8 : 9 } } }')
Next (Regular) Block[B16]
Leaving: {R1}
}
Block[B16] - Exit
Predecessors: [B15]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_30()
{
string source = @"
class C1
{
public C2 C2;
public void M(bool b, int? i)
/*<bind>*/{
var x = new C1 { C2 = { C31 = { [i ?? GetInt(1)] = b ? new C1() : null } } };
}/*</bind>*/
int GetInt(int x) => x;
}
class C2
{
public C2()
{
}
public C3 C31;
public C3 C32;
}
class C3
{
public object this[int i]
{
get => null;
set { }
}
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0649: Field 'C2.C32' is never assigned to, and will always have its default value null
// public C3 C32;
Diagnostic(ErrorCode.WRN_UnassignedInternalField, "C32").WithArguments("C2.C32", "null").WithLocation(21, 15)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { C2 ... null } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { C2 ... null } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [2] [3] [4]
.locals {R3}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i')
Value:
IParameterReferenceOperation: i (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i')
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt(1)')
Value:
IInvocationOperation ( System.Int32 C1.GetInt(System.Int32 x)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(1)')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C1, IsImplicit) (Syntax: 'GetInt')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: x) (OperationKind.Argument, Type: null) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C31')
Value:
IFieldReferenceOperation: C3 C2.C31 (OperationKind.FieldReference, Type: C3) (Syntax: 'C31')
Instance Receiver:
IFieldReferenceOperation: C2 C1.C2 (OperationKind.FieldReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... null } } }')
Jump if False (Regular) to Block[B7]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B6]
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1()')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1()')
Arguments(0)
Initializer:
null
Next (Regular) Block[B8]
Block[B7] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'null')
Value:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: C1, Constant: null, IsImplicit) (Syntax: 'null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null) (Syntax: 'null')
Next (Regular) Block[B8]
Block[B8] - Block
Predecessors: [B6] [B7]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: '[i ?? GetIn ... C1() : null')
Left:
IPropertyReferenceOperation: System.Object C3.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: '[i ?? GetInt(1)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: C3, IsImplicit) (Syntax: 'C31')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i ?? GetInt(1)')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i ?? GetInt(1)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'b ? new C1() : null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'b ? new C1() : null')
Next (Regular) Block[B9]
Leaving: {R2}
}
Block[B9] - Block
Predecessors: [B8]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... null } } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... null } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { C2 ... null } } }')
Next (Regular) Block[B10]
Leaving: {R1}
}
Block[B10] - Exit
Predecessors: [B9]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_31()
{
string source = @"
using System;
class C1
{
public event EventHandler<object> ev;
public void M(bool b)
/*<bind>*/{
var x = new C1 { ev = null };
}/*</bind>*/
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0067: The event 'C1.ev' is never used
// public event EventHandler<object> ev;
Diagnostic(ErrorCode.WRN_UnreferencedEvent, "ev").WithArguments("C1.ev").WithLocation(6, 39)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (3)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { ev = null }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { ev = null }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.EventHandler<System.Object>) (Syntax: 'ev = null')
Left:
IEventReferenceOperation: event System.EventHandler<System.Object> C1.ev (OperationKind.EventReference, Type: System.EventHandler<System.Object>) (Syntax: 'ev')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { ev = null }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.EventHandler<System.Object>, Constant: null, IsImplicit) (Syntax: 'null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null) (Syntax: 'null')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 { ev = null }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 { ev = null }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { ev = null }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_32()
{
string source = @"
using System;
class C1
{
public event EventHandler<object> ev;
public void M(bool b, object o)
/*<bind>*/{
var x = new C1 { ev = b ? (EventHandler<object>)o : null };
}/*</bind>*/
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0067: The event 'C1.ev' is never used
// public event EventHandler<object> ev;
Diagnostic(ErrorCode.WRN_UnreferencedEvent, "ev").WithArguments("C1.ev").WithLocation(6, 39)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { ev ... )o : null }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { ev ... )o : null }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (0)
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '(EventHandler<object>)o')
Value:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.EventHandler<System.Object>) (Syntax: '(EventHandler<object>)o')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ExplicitReference)
Operand:
IParameterReferenceOperation: o (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'null')
Value:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.EventHandler<System.Object>, Constant: null, IsImplicit) (Syntax: 'null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null) (Syntax: 'null')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.EventHandler<System.Object>) (Syntax: 'ev = b ? (E ... t>)o : null')
Left:
IEventReferenceOperation: event System.EventHandler<System.Object> C1.ev (OperationKind.EventReference, Type: System.EventHandler<System.Object>) (Syntax: 'ev')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { ev ... )o : null }')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.EventHandler<System.Object>, IsImplicit) (Syntax: 'b ? (EventH ... t>)o : null')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... )o : null }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsImplicit) (Syntax: 'x = new C1 ... )o : null }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { ev ... )o : null }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_33()
{
string source = @"
using System;
class C1
{
public C2 C2 { get; set; }
public void M(bool b, object o)
/*<bind>*/{
var x = new C1 { C2 = { ev = b ? (EventHandler<object>)o : null } };
}/*</bind>*/
}
class C2
{
public event EventHandler<object> ev;
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0070: The event 'C2.ev' can only appear on the left hand side of += or -= (except when used from within the type 'C2')
// var x = new C1 { C2 = { ev = b ? (EventHandler<object>)o : null } };
Diagnostic(ErrorCode.ERR_BadEventUsage, "ev").WithArguments("C2.ev", "C2").WithLocation(10, 33),
// CS0067: The event 'C2.ev' is never used
// public event EventHandler<object> ev;
Diagnostic(ErrorCode.WRN_UnreferencedEvent, "ev").WithArguments("C2.ev").WithLocation(16, 39)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new C1 { C2 ... : null } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1, IsInvalid) (Syntax: 'new C1 { C2 ... : null } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'C2')
Value:
IPropertyReferenceOperation: C2 C1.C2 { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C2')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { C2 ... : null } }')
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '(EventHandler<object>)o')
Value:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.EventHandler<System.Object>) (Syntax: '(EventHandler<object>)o')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ExplicitReference)
Operand:
IParameterReferenceOperation: o (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'null')
Value:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.EventHandler<System.Object>, Constant: null, IsImplicit) (Syntax: 'null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null) (Syntax: 'null')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.EventHandler<System.Object>, IsInvalid) (Syntax: 'ev = b ? (E ... t>)o : null')
Left:
IEventReferenceOperation: event System.EventHandler<System.Object> C2.ev (OperationKind.EventReference, Type: System.EventHandler<System.Object>, IsInvalid) (Syntax: 'ev')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: 'C2')
Right:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.EventHandler<System.Object>, IsImplicit) (Syntax: 'b ? (EventH ... t>)o : null')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsInvalid, IsImplicit) (Syntax: 'x = new C1 ... : null } }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'x = new C1 ... : null } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { C2 ... : null } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_34()
{
string source = @"
using System;
class C1
{
public object P1 { get; set; }
public object P2 { get; set; }
public void M(bool b, object o)
/*<bind>*/{
var x = new C1 { P1 = null, (P1 ?? P2) = null };
}/*</bind>*/
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0131: The left-hand side of an assignment must be a variable, property or indexer
// var x = new C1 { P1 = null, (P1 ?? P2) = null };
Diagnostic(ErrorCode.ERR_AssgLvalueExpected, "P1 ?? P2").WithLocation(11, 38),
// CS0747: Invalid initializer member declarator
// var x = new C1 { P1 = null, (P1 ?? P2) = null };
Diagnostic(ErrorCode.ERR_InvalidInitializerElementInitializer, "(P1 ?? P2) = null").WithLocation(11, 37)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new C1 { P1 ... 2) = null }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1, IsInvalid) (Syntax: 'new C1 { P1 ... 2) = null }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: 'P1 = null')
Left:
IPropertyReferenceOperation: System.Object C1.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: 'P1')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { P1 ... 2) = null }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, Constant: null, IsImplicit) (Syntax: 'null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null) (Syntax: 'null')
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [2]
.locals {R3}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'P1')
Value:
IPropertyReferenceOperation: System.Object C1.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Object, IsInvalid) (Syntax: 'P1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'P1')
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsInvalid, IsImplicit) (Syntax: 'P1')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Object, IsInvalid, IsImplicit) (Syntax: 'P1')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'P1')
Value:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Object, IsInvalid, IsImplicit) (Syntax: 'P1')
Next (Regular) Block[B5]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'P2')
Value:
IPropertyReferenceOperation: System.Object C1.P2 { get; set; } (OperationKind.PropertyReference, Type: System.Object, IsInvalid) (Syntax: 'P2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'P2')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object, IsInvalid) (Syntax: '(P1 ?? P2) = null')
Left:
IInvalidOperation (OperationKind.Invalid, Type: System.Object, IsInvalid, IsImplicit) (Syntax: 'P1 ?? P2')
Children(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Object, IsInvalid, IsImplicit) (Syntax: 'P1 ?? P2')
Right:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null, IsInvalid) (Syntax: 'null')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsInvalid, IsImplicit) (Syntax: 'x = new C1 ... 2) = null }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'x = new C1 ... 2) = null }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { P1 ... 2) = null }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_35()
{
string source = @"
using System;
class C1
{
public object P1 { get; set; }
public object P2;
public void M(bool b, object o)
/*<bind>*/{
var x = new C1 { P1 = null, (P1 ?? P2) = null };
}/*</bind>*/
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0131: The left-hand side of an assignment must be a variable, property or indexer
// var x = new C1 { P1 = null, (P1 ?? P2) = null };
Diagnostic(ErrorCode.ERR_AssgLvalueExpected, "P1 ?? P2").WithLocation(11, 38),
// CS0747: Invalid initializer member declarator
// var x = new C1 { P1 = null, (P1 ?? P2) = null };
Diagnostic(ErrorCode.ERR_InvalidInitializerElementInitializer, "(P1 ?? P2) = null").WithLocation(11, 37),
// CS0649: Field 'C1.P2' is never assigned to, and will always have its default value null
// public object P2;
Diagnostic(ErrorCode.WRN_UnassignedInternalField, "P2").WithArguments("C1.P2", "null").WithLocation(7, 19)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C1 x]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new C1 { P1 ... 2) = null }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1, IsInvalid) (Syntax: 'new C1 { P1 ... 2) = null }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: 'P1 = null')
Left:
IPropertyReferenceOperation: System.Object C1.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: 'P1')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { P1 ... 2) = null }')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, Constant: null, IsImplicit) (Syntax: 'null')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: True, IsUserDefined: False) (MethodSymbol: null)
(ImplicitReference)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null) (Syntax: 'null')
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [2]
.locals {R3}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'P1')
Value:
IPropertyReferenceOperation: System.Object C1.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Object, IsInvalid) (Syntax: 'P1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'P1')
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsInvalid, IsImplicit) (Syntax: 'P1')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Object, IsInvalid, IsImplicit) (Syntax: 'P1')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'P1')
Value:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Object, IsInvalid, IsImplicit) (Syntax: 'P1')
Next (Regular) Block[B5]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'P2')
Value:
IFieldReferenceOperation: System.Object C1.P2 (OperationKind.FieldReference, Type: System.Object, IsInvalid) (Syntax: 'P2')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'P2')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object, IsInvalid) (Syntax: '(P1 ?? P2) = null')
Left:
IInvalidOperation (OperationKind.Invalid, Type: System.Object, IsInvalid, IsImplicit) (Syntax: 'P1 ?? P2')
Children(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Object, IsInvalid, IsImplicit) (Syntax: 'P1 ?? P2')
Right:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null, IsInvalid) (Syntax: 'null')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsInvalid, IsImplicit) (Syntax: 'x = new C1 ... 2) = null }')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'x = new C1 ... 2) = null }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { P1 ... 2) = null }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_36()
{
string source = @"
using System;
internal class Class
{
public void M(bool a, string b, object o)
/*<bind>*/{
Class c = new Class { [GetInt()] = { C = { I1 = 1, I2 = 2 } } };
}/*</bind>*/
public C2 this[int i]
{
get => null;
set { }
}
int GetInt() => 1;
}
class C2
{
public C2 C { get; set; }
public int I1 { get; set; }
public int I2 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... 2 = 2 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (3)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32 Class.GetInt()) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'GetInt')
Arguments(0)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I1 = 1')
Left:
IPropertyReferenceOperation: System.Int32 C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I1')
Instance Receiver:
IPropertyReferenceOperation: C2 C2.C { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C')
Instance Receiver:
IPropertyReferenceOperation: C2 Class.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt()]')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt()')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt()')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I2 = 2')
Left:
IPropertyReferenceOperation: System.Int32 C2.I2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I2')
Instance Receiver:
IPropertyReferenceOperation: C2 C2.C { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C')
Instance Receiver:
IPropertyReferenceOperation: C2 Class.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt()]')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt()')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt()')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B3]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B2]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Next (Regular) Block[B4]
Leaving: {R1}
}
Block[B4] - Exit
Predecessors: [B3]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_37()
{
string source = @"
using System;
internal class Class
{
public void M(bool a, string b, object o)
/*<bind>*/{
Class c = new Class { (C21 ?? C22).I1 = 1 };
}/*</bind>*/
public C2 C21 { get; set; }
public C2 C22 { get; set; }
}
class C2
{
public int I1 { get; set; }
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS1922: Cannot initialize type 'Class' with a collection initializer because it does not implement 'System.Collections.IEnumerable'
// Class c = new Class { (C21 ?? C22).I1 = 1 };
Diagnostic(ErrorCode.ERR_CollectionInitRequiresIEnumerable, "{ (C21 ?? C22).I1 = 1 }").WithArguments("Class").WithLocation(8, 29),
// CS0747: Invalid initializer member declarator
// Class c = new Class { (C21 ?? C22).I1 = 1 };
Diagnostic(ErrorCode.ERR_InvalidInitializerElementInitializer, "(C21 ?? C22).I1 = 1").WithLocation(8, 31)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new Class { ... 2).I1 = 1 }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class, IsInvalid) (Syntax: 'new Class { ... 2).I1 = 1 }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [2]
.locals {R3}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'C21')
Value:
IPropertyReferenceOperation: C2 Class.C21 { get; set; } (OperationKind.PropertyReference, Type: C2, IsInvalid) (Syntax: 'C21')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'C21')
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsInvalid, IsImplicit) (Syntax: 'C21')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C2, IsInvalid, IsImplicit) (Syntax: 'C21')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'C21')
Value:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C2, IsInvalid, IsImplicit) (Syntax: 'C21')
Next (Regular) Block[B5]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'C22')
Value:
IPropertyReferenceOperation: C2 Class.C22 { get; set; } (OperationKind.PropertyReference, Type: C2, IsInvalid) (Syntax: 'C22')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'C22')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: '(C21 ?? C22).I1 = 1')
Children(1):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32, IsInvalid) (Syntax: '(C21 ?? C22).I1 = 1')
Left:
IPropertyReferenceOperation: System.Int32 C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32, IsInvalid) (Syntax: '(C21 ?? C22).I1')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C2, IsInvalid, IsImplicit) (Syntax: 'C21 ?? C22')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsInvalid) (Syntax: '1')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsInvalid, IsImplicit) (Syntax: 'c = new Cla ... 2).I1 = 1 }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'c = new Cla ... 2).I1 = 1 }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... 2).I1 = 1 }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_38()
{
string source = @"
using System;
internal class Class
{
public void M(bool a, string b, object o)
/*<bind>*/{
Class c = new Class { [GetInt() ?? 3] = { C = { I1 = 1, I2 = 2 } } };
}/*</bind>*/
public C2 this[int i]
{
get => null;
set { }
}
int? GetInt() => 1;
}
class C2
{
public C2 C { get; set; }
public int I1 { get; set; }
public int I2 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... 2 = 2 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [2]
.locals {R3}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32? Class.GetInt()) (OperationKind.Invocation, Type: System.Int32?) (Syntax: 'GetInt()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'GetInt')
Arguments(0)
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'GetInt()')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'GetInt()')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'GetInt()')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'GetInt()')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (2)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I1 = 1')
Left:
IPropertyReferenceOperation: System.Int32 C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I1')
Instance Receiver:
IPropertyReferenceOperation: C2 C2.C { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C')
Instance Receiver:
IPropertyReferenceOperation: C2 Class.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt() ?? 3]')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt() ?? 3')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt() ?? 3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I2 = 2')
Left:
IPropertyReferenceOperation: System.Int32 C2.I2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I2')
Instance Receiver:
IPropertyReferenceOperation: C2 C2.C { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: 'C')
Instance Receiver:
IPropertyReferenceOperation: C2 Class.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt() ?? 3]')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt() ?? 3')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt() ?? 3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_39()
{
string source = @"
internal class Class
{
public void M(bool b)
/*<bind>*/{
Class c = new Class { C21 = { I1 = 1, I2 = 2 } };
}/*</bind>*/
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0117: 'Class' does not contain a definition for 'C21'
// Class c = new Class { C21 = { I1 = 1, I2 = 2 } };
Diagnostic(ErrorCode.ERR_NoSuchMember, "C21").WithArguments("Class", "C21").WithLocation(6, 31)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (4)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 2 } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class, IsInvalid) (Syntax: 'new Class { ... I2 = 2 } }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?) (Syntax: 'I1 = 1')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsImplicit) (Syntax: 'I1')
Children(1):
IOperation: (OperationKind.None, Type: null) (Syntax: 'I1')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'C21')
Children(1):
IOperation: (OperationKind.None, Type: null, IsInvalid) (Syntax: 'C21')
Children(1):
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 2 } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?) (Syntax: 'I2 = 2')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsImplicit) (Syntax: 'I2')
Children(1):
IOperation: (OperationKind.None, Type: null) (Syntax: 'I2')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'C21')
Children(1):
IOperation: (OperationKind.None, Type: null, IsInvalid) (Syntax: 'C21')
Children(1):
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 2 } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsInvalid, IsImplicit) (Syntax: 'c = new Cla ... I2 = 2 } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'c = new Cla ... I2 = 2 } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 2 } }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_40()
{
string source = @"
internal class Class
{
public void M(bool b)
/*<bind>*/{
Class c = new Class { [GetInt()] = { I1 = 1, I2 = 2 } };
}/*</bind>*/
int GetInt() => 1;
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0021: Cannot apply indexing with [] to an expression of type 'Class'
// Class c = new Class { [GetInt()] = { I1 = 1, I2 = 2 } };
Diagnostic(ErrorCode.ERR_BadIndexLHS, "[GetInt()]").WithArguments("Class").WithLocation(6, 31)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (4)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 2 } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class, IsInvalid) (Syntax: 'new Class { ... I2 = 2 } }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?) (Syntax: 'I1 = 1')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsImplicit) (Syntax: 'I1')
Children(1):
IOperation: (OperationKind.None, Type: null) (Syntax: 'I1')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: '[GetInt()]')
Children(2):
IInvocationOperation ( System.Int32 Class.GetInt()) (OperationKind.Invocation, Type: System.Int32, IsInvalid) (Syntax: 'GetInt()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'GetInt')
Arguments(0)
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 2 } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?) (Syntax: 'I2 = 2')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsImplicit) (Syntax: 'I2')
Children(1):
IOperation: (OperationKind.None, Type: null) (Syntax: 'I2')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: '[GetInt()]')
Children(2):
IInvocationOperation ( System.Int32 Class.GetInt()) (OperationKind.Invocation, Type: System.Int32, IsInvalid) (Syntax: 'GetInt()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'GetInt')
Arguments(0)
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 2 } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsInvalid, IsImplicit) (Syntax: 'c = new Cla ... I2 = 2 } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'c = new Cla ... I2 = 2 } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 2 } }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_41()
{
string source = @"
internal class Class
{
public void M(bool b)
/*<bind>*/{
Class c = new Class { [GetInt() ?? 1] = { I1 = 2, I2 = 3 } };
}/*</bind>*/
int? GetInt() => 1;
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0021: Cannot apply indexing with [] to an expression of type 'Class'
// Class c = new Class { [GetInt() ?? 1] = { I1 = 1, I2 = 2 } };
Diagnostic(ErrorCode.ERR_BadIndexLHS, "[GetInt() ?? 1]").WithArguments("Class").WithLocation(6, 31)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 3 } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class, IsInvalid) (Syntax: 'new Class { ... I2 = 3 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [2]
.locals {R3}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32? Class.GetInt()) (OperationKind.Invocation, Type: System.Int32?, IsInvalid) (Syntax: 'GetInt()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'GetInt')
Arguments(0)
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsInvalid, IsImplicit) (Syntax: 'GetInt()')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsInvalid, IsImplicit) (Syntax: 'GetInt()')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsInvalid, IsImplicit) (Syntax: 'GetInt()')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsInvalid, IsImplicit) (Syntax: 'GetInt()')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsInvalid) (Syntax: '1')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (2)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?) (Syntax: 'I1 = 2')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsImplicit) (Syntax: 'I1')
Children(1):
IOperation: (OperationKind.None, Type: null) (Syntax: 'I1')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: '[GetInt() ?? 1]')
Children(2):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsInvalid, IsImplicit) (Syntax: 'GetInt() ?? 1')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 3 } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: ?) (Syntax: 'I2 = 3')
Left:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsImplicit) (Syntax: 'I2')
Children(1):
IOperation: (OperationKind.None, Type: null) (Syntax: 'I2')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: '[GetInt() ?? 1]')
Children(2):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsInvalid, IsImplicit) (Syntax: 'GetInt() ?? 1')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 3 } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsInvalid, IsImplicit) (Syntax: 'c = new Cla ... I2 = 3 } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'c = new Cla ... I2 = 3 } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... I2 = 3 } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_42()
{
string source = @"
using System;
internal class Class
{
public void M(bool a, string b, object o)
/*<bind>*/{
Class c = new Class { C2s = { [GetInt()] = { I1 = 1, I2 = 2 } } };
}/*</bind>*/
public C2[] C2s { get; set; }
public int GetInt() => 0;
}
class C2
{
public int I1 { get; set; }
public int I2 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... 2 = 2 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (3)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32 Class.GetInt()) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'GetInt')
Arguments(0)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I1 = 1')
Left:
IPropertyReferenceOperation: System.Int32 C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I1')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[GetInt()]')
Array reference:
IPropertyReferenceOperation: C2[] Class.C2s { get; set; } (OperationKind.PropertyReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Indices(1):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt()')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I2 = 2')
Left:
IPropertyReferenceOperation: System.Int32 C2.I2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I2')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[GetInt()]')
Array reference:
IPropertyReferenceOperation: C2[] Class.C2s { get; set; } (OperationKind.PropertyReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Indices(1):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt()')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B3]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B2]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Next (Regular) Block[B4]
Leaving: {R1}
}
Block[B4] - Exit
Predecessors: [B3]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_43()
{
string source = @"
using System;
internal class Class
{
public void M(bool a, string b, object o)
/*<bind>*/{
Class c = new Class { C2s = { [GetInt() ?? 0] = { I1 = 1, I2 = 2 } } };
}/*</bind>*/
public C2[] C2s { get; set; }
public int? GetInt() => 0;
}
class C2
{
public int I1 { get; set; }
public int I2 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... 2 = 2 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [2]
.locals {R3}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32? Class.GetInt()) (OperationKind.Invocation, Type: System.Int32?) (Syntax: 'GetInt()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'GetInt')
Arguments(0)
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'GetInt()')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'GetInt()')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'GetInt()')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'GetInt()')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '0')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (2)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I1 = 1')
Left:
IPropertyReferenceOperation: System.Int32 C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I1')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[GetInt() ?? 0]')
Array reference:
IPropertyReferenceOperation: C2[] Class.C2s { get; set; } (OperationKind.PropertyReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Indices(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt() ?? 0')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I2 = 2')
Left:
IPropertyReferenceOperation: System.Int32 C2.I2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I2')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[GetInt() ?? 0]')
Array reference:
IPropertyReferenceOperation: C2[] Class.C2s { get; set; } (OperationKind.PropertyReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Indices(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt() ?? 0')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_44()
{
string source = @"
using System;
internal class Class
{
public void M(bool b)
/*<bind>*/{
Class c = new Class { C2s = { [0] = { I1 = b ? 1 : 2, I2 = b ? 3 : 4 } } };
}/*</bind>*/
public C2[] C2s { get; set; }
public int? GetInt() => 0;
}
class C2
{
public int I1 { get; set; }
public int I2 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... 3 : 4 } } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... 3 : 4 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '0')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Next (Regular) Block[B3]
Entering: {R3}
.locals {R3}
{
CaptureIds: [2] [3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '[0]')
Value:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[0]')
Array reference:
IPropertyReferenceOperation: C2[] Class.C2s { get; set; } (OperationKind.PropertyReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 3 : 4 } } }')
Indices(1):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 0, IsImplicit) (Syntax: '0')
Jump if False (Regular) to Block[B5]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B6]
Block[B5] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B6]
Block[B6] - Block
Predecessors: [B4] [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I1 = b ? 1 : 2')
Left:
IPropertyReferenceOperation: System.Int32 C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I1')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: '[0]')
Right:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 1 : 2')
Next (Regular) Block[B7]
Leaving: {R3}
Entering: {R4}
}
.locals {R4}
{
CaptureIds: [4] [5]
Block[B7] - Block
Predecessors: [B6]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '[0]')
Value:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[0]')
Array reference:
IPropertyReferenceOperation: C2[] Class.C2s { get; set; } (OperationKind.PropertyReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 3 : 4 } } }')
Indices(1):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 0, IsImplicit) (Syntax: '0')
Jump if False (Regular) to Block[B9]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B8]
Block[B8] - Block
Predecessors: [B7]
Statements (1)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B10]
Block[B9] - Block
Predecessors: [B7]
Statements (1)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B10]
Block[B10] - Block
Predecessors: [B8] [B9]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I2 = b ? 3 : 4')
Left:
IPropertyReferenceOperation: System.Int32 C2.I2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I2')
Instance Receiver:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: '[0]')
Right:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 3 : 4')
Next (Regular) Block[B11]
Leaving: {R4} {R2}
}
}
Block[B11] - Block
Predecessors: [B10]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 3 : 4 } } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 3 : 4 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 3 : 4 } } }')
Next (Regular) Block[B12]
Leaving: {R1}
}
Block[B12] - Exit
Predecessors: [B11]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_45()
{
string source = @"
using System;
internal class Class
{
public void M(bool b)
/*<bind>*/{
Class c = new Class { C2s = { [GetInt()] = { I1 = 1, I2 = 2 } } };
}/*</bind>*/
public C2[] C2s;
public int GetInt() => 0;
}
class C2
{
public int I1 { get; set; }
public int I2 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... 2 = 2 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (3)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32 Class.GetInt()) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'GetInt')
Arguments(0)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I1 = 1')
Left:
IPropertyReferenceOperation: System.Int32 C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I1')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[GetInt()]')
Array reference:
IFieldReferenceOperation: C2[] Class.C2s (OperationKind.FieldReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Indices(1):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt()')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I2 = 2')
Left:
IPropertyReferenceOperation: System.Int32 C2.I2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I2')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[GetInt()]')
Array reference:
IFieldReferenceOperation: C2[] Class.C2s (OperationKind.FieldReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Indices(1):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt()')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B3]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B2]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Next (Regular) Block[B4]
Leaving: {R1}
}
Block[B4] - Exit
Predecessors: [B3]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_46()
{
string source = @"
using System;
internal class Class
{
public void M(bool b)
/*<bind>*/{
Class c = new Class { C2s = { [GetInt() ?? 0] = { I1 = 1, I2 = 2 } } };
}/*</bind>*/
public C2[] C2s;
public int? GetInt() => 0;
}
class C2
{
public int I1 { get; set; }
public int I2 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... 2 = 2 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [2]
.locals {R3}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32? Class.GetInt()) (OperationKind.Invocation, Type: System.Int32?) (Syntax: 'GetInt()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'GetInt')
Arguments(0)
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'GetInt()')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'GetInt()')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'GetInt()')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'GetInt()')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '0')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (2)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I1 = 1')
Left:
IPropertyReferenceOperation: System.Int32 C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I1')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[GetInt() ?? 0]')
Array reference:
IFieldReferenceOperation: C2[] Class.C2s (OperationKind.FieldReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Indices(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt() ?? 0')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'I2 = 2')
Left:
IPropertyReferenceOperation: System.Int32 C2.I2 { get; set; } (OperationKind.PropertyReference, Type: System.Int32) (Syntax: 'I2')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[GetInt() ?? 0]')
Array reference:
IFieldReferenceOperation: C2[] Class.C2s (OperationKind.FieldReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Indices(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt() ?? 0')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... 2 = 2 } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2 = 2 } } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_47()
{
string source = @"
using System;
internal class Class
{
public void M(bool b)
/*<bind>*/{
Class c = new Class { C2s = { [GetInt() ?? 0] = { I1 = { [1] = 2, [3] = 4 } } } };
}/*</bind>*/
public C2[] C2s;
public int? GetInt() => 0;
}
class C2
{
public int[] I1 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... = 4 } } } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... = 4 } } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [2]
.locals {R3}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32? Class.GetInt()) (OperationKind.Invocation, Type: System.Int32?) (Syntax: 'GetInt()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'GetInt')
Arguments(0)
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'GetInt()')
Operand:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'GetInt()')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'GetInt()')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'GetInt()')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R3}
Entering: {R4}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '0')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Next (Regular) Block[B5]
Entering: {R4}
.locals {R4}
{
CaptureIds: [3]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (2)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[1] = 2')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[1]')
Array reference:
IPropertyReferenceOperation: System.Int32[] C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32[]) (Syntax: 'I1')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[GetInt() ?? 0]')
Array reference:
IFieldReferenceOperation: C2[] Class.C2s (OperationKind.FieldReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... = 4 } } } }')
Indices(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt() ?? 0')
Indices(1):
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B6]
Leaving: {R4}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [4]
Block[B6] - Block
Predecessors: [B5]
Statements (2)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[3] = 4')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[3]')
Array reference:
IPropertyReferenceOperation: System.Int32[] C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32[]) (Syntax: 'I1')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[GetInt() ?? 0]')
Array reference:
IFieldReferenceOperation: C2[] Class.C2s (OperationKind.FieldReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... = 4 } } } }')
Indices(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt() ?? 0')
Indices(1):
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B7]
Leaving: {R5} {R2}
}
}
Block[B7] - Block
Predecessors: [B6]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... = 4 } } } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... = 4 } } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... = 4 } } } }')
Next (Regular) Block[B8]
Leaving: {R1}
}
Block[B8] - Exit
Predecessors: [B7]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_48()
{
string source = @"
using System;
internal class Class
{
public void M(bool b)
/*<bind>*/{
Class c = new Class { C2s = { [0] = { I1 = { [GetInt() ?? 1] = 2, [b ? 3 : 4] = 5 } } } };
}/*</bind>*/
public C2[] C2s;
public int? GetInt() => 0;
}
class C2
{
public int[] I1 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [Class c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... = 5 } } } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... = 5 } } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '0')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Next (Regular) Block[B3]
Entering: {R3} {R4}
.locals {R3}
{
CaptureIds: [3]
.locals {R4}
{
CaptureIds: [2]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32? Class.GetInt()) (OperationKind.Invocation, Type: System.Int32?) (Syntax: 'GetInt()')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: Class, IsImplicit) (Syntax: 'GetInt')
Arguments(0)
Jump if True (Regular) to Block[B5]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'GetInt()')
Operand:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'GetInt()')
Leaving: {R4}
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt()')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'GetInt()')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'GetInt()')
Arguments(0)
Next (Regular) Block[B6]
Leaving: {R4}
}
Block[B5] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B6]
Block[B6] - Block
Predecessors: [B4] [B5]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[GetInt() ?? 1] = 2')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[GetInt() ?? 1]')
Array reference:
IPropertyReferenceOperation: System.Int32[] C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32[]) (Syntax: 'I1')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[0]')
Array reference:
IFieldReferenceOperation: C2[] Class.C2s (OperationKind.FieldReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... = 5 } } } }')
Indices(1):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 0, IsImplicit) (Syntax: '0')
Indices(1):
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt() ?? 1')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B7]
Leaving: {R3}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [4]
Block[B7] - Block
Predecessors: [B6]
Statements (0)
Jump if False (Regular) to Block[B9]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B8]
Block[B8] - Block
Predecessors: [B7]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B10]
Block[B9] - Block
Predecessors: [B7]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B10]
Block[B10] - Block
Predecessors: [B8] [B9]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[b ? 3 : 4] = 5')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[b ? 3 : 4]')
Array reference:
IPropertyReferenceOperation: System.Int32[] C2.I1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32[]) (Syntax: 'I1')
Instance Receiver:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: C2) (Syntax: '[0]')
Array reference:
IFieldReferenceOperation: C2[] Class.C2s (OperationKind.FieldReference, Type: C2[]) (Syntax: 'C2s')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... = 5 } } } }')
Indices(1):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 0, IsImplicit) (Syntax: '0')
Indices(1):
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 3 : 4')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
Next (Regular) Block[B11]
Leaving: {R5} {R2}
}
}
Block[B11] - Block
Predecessors: [B10]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... = 5 } } } }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: Class, IsImplicit) (Syntax: 'c = new Cla ... = 5 } } } }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... = 5 } } } }')
Next (Regular) Block[B12]
Leaving: {R1}
}
Block[B12] - Exit
Predecessors: [B11]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_49()
{
string source = @"
internal class Class
{
public void M(Class c, int i, bool b)
/*<bind>*/{
c = new Class { P1 = { [(i = 3), i] = 3 } };
}/*</bind>*/
public int[,] P1 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: Class) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... i] = 3 } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... i] = 3 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2] [3]
Block[B2] - Block
Predecessors: [B1]
Statements (3)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i = 3')
Value:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'i = 3')
Left:
IParameterReferenceOperation: i (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'i')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i')
Value:
IParameterReferenceOperation: i (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'i')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[(i = 3), i] = 3')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[(i = 3), i]')
Array reference:
IPropertyReferenceOperation: System.Int32[,] Class.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32[,]) (Syntax: 'P1')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... i] = 3 } }')
Indices(2):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i = 3')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B3]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new Cla ... i] = 3 } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class) (Syntax: 'c = new Cla ... i] = 3 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... i] = 3 } }')
Next (Regular) Block[B4]
Leaving: {R1}
}
Block[B4] - Exit
Predecessors: [B3]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_50()
{
string source = @"
internal class Class
{
public void M(Class c, int i, bool b)
/*<bind>*/{
c = new Class { P1 = { [b ? 1 : 2, i] = 3 } };
}/*</bind>*/
public int[,] P1 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: Class) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... i] = 3 } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... i] = 3 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2] [3]
Block[B2] - Block
Predecessors: [B1]
Statements (0)
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (2)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i')
Value:
IParameterReferenceOperation: i (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'i')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[b ? 1 : 2, i] = 3')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[b ? 1 : 2, i]')
Array reference:
IPropertyReferenceOperation: System.Int32[,] Class.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32[,]) (Syntax: 'P1')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... i] = 3 } }')
Indices(2):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 1 : 2')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new Cla ... i] = 3 } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class) (Syntax: 'c = new Cla ... i] = 3 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... i] = 3 } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_51()
{
string source = @"
internal class Class
{
public void M(Class c, int i, bool b)
/*<bind>*/{
c = new Class { P1 = { [i, b ? 1 : 2] = 3 } };
}/*</bind>*/
public int[,] P1 { get; set; }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: Class) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new Class { ... 2] = 3 } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class) (Syntax: 'new Class { ... 2] = 3 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2] [3]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i')
Value:
IParameterReferenceOperation: i (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'i')
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: '[i, b ? 1 : 2] = 3')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32) (Syntax: '[i, b ? 1 : 2]')
Array reference:
IPropertyReferenceOperation: System.Int32[,] Class.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32[,]) (Syntax: 'P1')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2] = 3 } }')
Indices(2):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 1 : 2')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new Cla ... 2] = 3 } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class) (Syntax: 'c = new Cla ... 2] = 3 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'new Class { ... 2] = 3 } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_52()
{
string source = @"
internal class Class
{
public void M(Class c, int i, bool b)
/*<bind>*/{
c = new Class { P1 = { [] = 3 } };
}/*</bind>*/
public int[,] P1 { get; set; }
}
";
var expectedDiagnostics = new DiagnosticDescription[] {
// CS0443: Syntax error; value expected
// c = new Class { P1 = { [] = 3 } };
Diagnostic(ErrorCode.ERR_ValueExpected, "]").WithLocation(6, 33)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: Class) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new Class { ... [] = 3 } }')
Value:
IObjectCreationOperation (Constructor: Class..ctor()) (OperationKind.ObjectCreation, Type: Class, IsInvalid) (Syntax: 'new Class { ... [] = 3 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: '')
Value:
IInvalidOperation (OperationKind.Invalid, Type: null, IsInvalid) (Syntax: '')
Children(0)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32, IsInvalid) (Syntax: '[] = 3')
Left:
IArrayElementReferenceOperation (OperationKind.ArrayElementReference, Type: System.Int32, IsInvalid) (Syntax: '[]')
Array reference:
IPropertyReferenceOperation: System.Int32[,] Class.P1 { get; set; } (OperationKind.PropertyReference, Type: System.Int32[,]) (Syntax: 'P1')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... [] = 3 } }')
Indices(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: null, IsInvalid, IsImplicit) (Syntax: '')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B3]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null, IsInvalid) (Syntax: 'c = new Cla ... [] = 3 } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: Class, IsInvalid) (Syntax: 'c = new Cla ... [] = 3 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: Class, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: Class, IsInvalid, IsImplicit) (Syntax: 'new Class { ... [] = 3 } }')
Next (Regular) Block[B4]
Leaving: {R1}
}
Block[B4] - Exit
Predecessors: [B3]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_53()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C : IEnumerable<int>
{
/*<bind>*/public static void M(C c)
{
c = new C { 1, 2, 3 };
}/*</bind>*/
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int i) {}
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (6)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C { 1, 2, 3 }')
Value:
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C) (Syntax: 'new C { 1, 2, 3 }')
Arguments(0)
Initializer:
null
IInvocationOperation ( void C.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '1')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C, IsImplicit) (Syntax: 'new C { 1, 2, 3 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C, IsImplicit) (Syntax: 'new C { 1, 2, 3 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C, IsImplicit) (Syntax: 'new C { 1, 2, 3 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new C { 1, 2, 3 };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C) (Syntax: 'c = new C { 1, 2, 3 }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C, IsImplicit) (Syntax: 'new C { 1, 2, 3 }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_54()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1
{
/*<bind>*/public static void M(C1 c)
{
c = new C1 { [GetInt(0)] = { GetInt(1), GetInt(2), GetInt(3) } };
}/*</bind>*/
C2 this[int i] { get => null; set { } }
static int GetInt(int i) => i;
}
class C2 : IEnumerable<int>
{
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int i) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { [G ... tInt(3) } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { [G ... tInt(3) } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (4)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt(0)')
Value:
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(0)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '0')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'GetInt(1)')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt(0)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... tInt(3) } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt(0)')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt(0)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'GetInt(1)')
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(1)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'GetInt(2)')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt(0)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... tInt(3) } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt(0)')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt(0)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'GetInt(2)')
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(2)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'GetInt(3)')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt(0)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... tInt(3) } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt(0)')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt(0)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'GetInt(3)')
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(3)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '3')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B3]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new C1 ... Int(3) } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c = new C1 ... tInt(3) } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... tInt(3) } }')
Next (Regular) Block[B4]
Leaving: {R1}
}
Block[B4] - Exit
Predecessors: [B3]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_55()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1
{
/*<bind>*/public static void M(C1 c, int? i1, int? i2, int? i3)
{
c = new C1 { [GetInt(i1 ?? 0)] = { GetInt(i2 ?? 1), 2 } };
}/*</bind>*/
C2 this[int i] { get => null; set { } }
static int GetInt(int i) => i;
}
class C2 : IEnumerable<int>
{
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int i) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { [G ... ? 1), 2 } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { [G ... ? 1), 2 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3} {R4}
.locals {R2}
{
CaptureIds: [4]
.locals {R3}
{
CaptureIds: [3]
.locals {R4}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i1')
Value:
IParameterReferenceOperation: i1 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i1')
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i1')
Operand:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i1')
Leaving: {R4}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i1')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i1')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i1')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R4}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '0')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt(i1 ?? 0)')
Value:
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(i1 ?? 0)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i1 ?? 0')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i1 ?? 0')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B6]
Leaving: {R3}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [5] [7]
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '[GetInt(i1 ?? 0)]')
Value:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt(i1 ?? 0)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... ? 1), 2 } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt(i1 ?? 0)')
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt(i1 ?? 0)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B7]
Entering: {R6}
.locals {R6}
{
CaptureIds: [6]
Block[B7] - Block
Predecessors: [B6]
Statements (1)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i2')
Value:
IParameterReferenceOperation: i2 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i2')
Jump if True (Regular) to Block[B9]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i2')
Operand:
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i2')
Leaving: {R6}
Next (Regular) Block[B8]
Block[B8] - Block
Predecessors: [B7]
Statements (1)
IFlowCaptureOperation: 7 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i2')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i2')
Instance Receiver:
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i2')
Arguments(0)
Next (Regular) Block[B10]
Leaving: {R6}
}
Block[B9] - Block
Predecessors: [B7]
Statements (1)
IFlowCaptureOperation: 7 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B10]
Block[B10] - Block
Predecessors: [B8] [B9]
Statements (1)
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
Instance Receiver:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: '[GetInt(i1 ?? 0)]')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(i2 ?? 1)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i2 ?? 1')
IFlowCaptureReferenceOperation: 7 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i2 ?? 1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B11]
Leaving: {R5}
}
Block[B11] - Block
Predecessors: [B10]
Statements (1)
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt(i1 ?? 0)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... ? 1), 2 } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt(i1 ?? 0)')
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt(i1 ?? 0)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B12]
Leaving: {R2}
}
Block[B12] - Block
Predecessors: [B11]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new C1 ... 1), 2 } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c = new C1 ... ? 1), 2 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... ? 1), 2 } }')
Next (Regular) Block[B13]
Leaving: {R1}
}
Block[B13] - Exit
Predecessors: [B12]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_56()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1
{
/*<bind>*/public static void M(C1 c, int? i1, int? i2, int? i3)
{
c = new C1 { [i1 ?? 0] = { GetInt(i2 ?? 1), { 3, GetInt(i3 ?? 4) } } };
}/*</bind>*/
C2 this[int i] { get => null; set { } }
static int GetInt(int i) => i;
}
class C2 : IEnumerable<int>
{
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
}
static class C2Extensions
{
public static void Add(this C2 c2, int i) { }
public static void Add(this C2 c2, int i, int j) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [3]
.locals {R3}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i1')
Value:
IParameterReferenceOperation: i1 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i1')
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i1')
Operand:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i1')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i1')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i1')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i1')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R3}
Entering: {R4}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '0')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Next (Regular) Block[B5]
Entering: {R4}
.locals {R4}
{
CaptureIds: [4] [6]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '[i1 ?? 0]')
Value:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[i1 ?? 0]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i1 ?? 0')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i1 ?? 0')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B6]
Entering: {R5}
.locals {R5}
{
CaptureIds: [5]
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i2')
Value:
IParameterReferenceOperation: i2 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i2')
Jump if True (Regular) to Block[B8]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i2')
Operand:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i2')
Leaving: {R5}
Next (Regular) Block[B7]
Block[B7] - Block
Predecessors: [B6]
Statements (1)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i2')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i2')
Instance Receiver:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i2')
Arguments(0)
Next (Regular) Block[B9]
Leaving: {R5}
}
Block[B8] - Block
Predecessors: [B6]
Statements (1)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B9]
Block[B9] - Block
Predecessors: [B7] [B8]
Statements (1)
IInvocationOperation (void C2Extensions.Add(this C2 c2, System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
Instance Receiver:
null
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c2) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '[i1 ?? 0]')
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: '[i1 ?? 0]')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(i2 ?? 1)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i2 ?? 1')
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i2 ?? 1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B10]
Leaving: {R4}
Entering: {R6}
}
.locals {R6}
{
CaptureIds: [7] [8] [10]
Block[B10] - Block
Predecessors: [B9]
Statements (2)
IFlowCaptureOperation: 7 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '[i1 ?? 0]')
Value:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[i1 ?? 0]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i1 ?? 0')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i1 ?? 0')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IFlowCaptureOperation: 8 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B11]
Entering: {R7}
.locals {R7}
{
CaptureIds: [9]
Block[B11] - Block
Predecessors: [B10]
Statements (1)
IFlowCaptureOperation: 9 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i3')
Value:
IParameterReferenceOperation: i3 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i3')
Jump if True (Regular) to Block[B13]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i3')
Operand:
IFlowCaptureReferenceOperation: 9 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i3')
Leaving: {R7}
Next (Regular) Block[B12]
Block[B12] - Block
Predecessors: [B11]
Statements (1)
IFlowCaptureOperation: 10 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i3')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i3')
Instance Receiver:
IFlowCaptureReferenceOperation: 9 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i3')
Arguments(0)
Next (Regular) Block[B14]
Leaving: {R7}
}
Block[B13] - Block
Predecessors: [B11]
Statements (1)
IFlowCaptureOperation: 10 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B14]
Block[B14] - Block
Predecessors: [B12] [B13]
Statements (1)
IInvocationOperation (void C2Extensions.Add(this C2 c2, System.Int32 i, System.Int32 j)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '{ 3, GetInt(i3 ?? 4) }')
Instance Receiver:
null
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c2) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '[i1 ?? 0]')
IFlowCaptureReferenceOperation: 7 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: '[i1 ?? 0]')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
IFlowCaptureReferenceOperation: 8 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: j) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'GetInt(i3 ?? 4)')
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(i3 ?? 4)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i3 ?? 4')
IFlowCaptureReferenceOperation: 10 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i3 ?? 4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B15]
Leaving: {R6} {R2}
}
}
Block[B15] - Block
Predecessors: [B14]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new C1 ... ? 4) } } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c = new C1 ... ?? 4) } } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Next (Regular) Block[B16]
Leaving: {R1}
}
Block[B16] - Exit
Predecessors: [B15]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_57()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1
{
/*<bind>*/public static void M(C1 c, int? i1, int? i2, int? i3)
{
c = new C1 { [i1 ?? 0] = { GetInt(i2 ?? 1), { 3, GetInt(i3 ?? 4) } } };
}/*</bind>*/
C2 this[int i] { get => null; set { } }
static int GetInt(int i) => i;
}
class C2 : IEnumerable<int>
{
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int i, int j = -1) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [3]
.locals {R3}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i1')
Value:
IParameterReferenceOperation: i1 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i1')
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i1')
Operand:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i1')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i1')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i1')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i1')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R3}
Entering: {R4}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '0')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Next (Regular) Block[B5]
Entering: {R4}
.locals {R4}
{
CaptureIds: [4] [6]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '[i1 ?? 0]')
Value:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[i1 ?? 0]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i1 ?? 0')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i1 ?? 0')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B6]
Entering: {R5}
.locals {R5}
{
CaptureIds: [5]
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i2')
Value:
IParameterReferenceOperation: i2 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i2')
Jump if True (Regular) to Block[B8]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i2')
Operand:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i2')
Leaving: {R5}
Next (Regular) Block[B7]
Block[B7] - Block
Predecessors: [B6]
Statements (1)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i2')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i2')
Instance Receiver:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i2')
Arguments(0)
Next (Regular) Block[B9]
Leaving: {R5}
}
Block[B8] - Block
Predecessors: [B6]
Statements (1)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B9]
Block[B9] - Block
Predecessors: [B7] [B8]
Statements (1)
IInvocationOperation ( void C2.Add(System.Int32 i, [System.Int32 j = -1])) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
Instance Receiver:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: '[i1 ?? 0]')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(i2 ?? 1)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i2 ?? 1')
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i2 ?? 1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.DefaultValue, Matching Parameter: j) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: -1, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B10]
Leaving: {R4}
Entering: {R6}
}
.locals {R6}
{
CaptureIds: [7] [8] [10]
Block[B10] - Block
Predecessors: [B9]
Statements (2)
IFlowCaptureOperation: 7 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '[i1 ?? 0]')
Value:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[i1 ?? 0]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i1 ?? 0')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i1 ?? 0')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IFlowCaptureOperation: 8 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B11]
Entering: {R7}
.locals {R7}
{
CaptureIds: [9]
Block[B11] - Block
Predecessors: [B10]
Statements (1)
IFlowCaptureOperation: 9 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i3')
Value:
IParameterReferenceOperation: i3 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i3')
Jump if True (Regular) to Block[B13]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i3')
Operand:
IFlowCaptureReferenceOperation: 9 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i3')
Leaving: {R7}
Next (Regular) Block[B12]
Block[B12] - Block
Predecessors: [B11]
Statements (1)
IFlowCaptureOperation: 10 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i3')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i3')
Instance Receiver:
IFlowCaptureReferenceOperation: 9 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i3')
Arguments(0)
Next (Regular) Block[B14]
Leaving: {R7}
}
Block[B13] - Block
Predecessors: [B11]
Statements (1)
IFlowCaptureOperation: 10 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B14]
Block[B14] - Block
Predecessors: [B12] [B13]
Statements (1)
IInvocationOperation ( void C2.Add(System.Int32 i, [System.Int32 j = -1])) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '{ 3, GetInt(i3 ?? 4) }')
Instance Receiver:
IFlowCaptureReferenceOperation: 7 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: '[i1 ?? 0]')
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
IFlowCaptureReferenceOperation: 8 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: j) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'GetInt(i3 ?? 4)')
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(i3 ?? 4)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i3 ?? 4')
IFlowCaptureReferenceOperation: 10 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i3 ?? 4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B15]
Leaving: {R6} {R2}
}
}
Block[B15] - Block
Predecessors: [B14]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new C1 ... ? 4) } } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c = new C1 ... ?? 4) } } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Next (Regular) Block[B16]
Leaving: {R1}
}
Block[B16] - Exit
Predecessors: [B15]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_58()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1
{
/*<bind>*/public static void M(C1 c, int? i1, int? i2, int? i3)
{
c = new C1 { [i1 ?? 0] = { GetInt(i2 ?? 1), { 3, GetInt(i3 ?? 4) } } };
}/*</bind>*/
C2 this[int i] { get => null; set { } }
static int GetInt(int i) => i;
}
class C2 : IEnumerable<int>
{
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(params int[] @is) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [3]
.locals {R3}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i1')
Value:
IParameterReferenceOperation: i1 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i1')
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i1')
Operand:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i1')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i1')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i1')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i1')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R3}
Entering: {R4}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '0')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
Next (Regular) Block[B5]
Entering: {R4}
.locals {R4}
{
CaptureIds: [4] [5] [7]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (2)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '[i1 ?? 0]')
Value:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[i1 ?? 0]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i1 ?? 0')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i1 ?? 0')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
Next (Regular) Block[B6]
Entering: {R5}
.locals {R5}
{
CaptureIds: [6]
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i2')
Value:
IParameterReferenceOperation: i2 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i2')
Jump if True (Regular) to Block[B8]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i2')
Operand:
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i2')
Leaving: {R5}
Next (Regular) Block[B7]
Block[B7] - Block
Predecessors: [B6]
Statements (1)
IFlowCaptureOperation: 7 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i2')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i2')
Instance Receiver:
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i2')
Arguments(0)
Next (Regular) Block[B9]
Leaving: {R5}
}
Block[B8] - Block
Predecessors: [B6]
Statements (1)
IFlowCaptureOperation: 7 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B9]
Block[B9] - Block
Predecessors: [B7] [B8]
Statements (1)
IInvocationOperation ( void C2.Add(params System.Int32[] @is)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
Instance Receiver:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: '[i1 ?? 0]')
Arguments(1):
IArgumentOperation (ArgumentKind.ParamArray, Matching Parameter: is) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
IArrayCreationOperation (OperationKind.ArrayCreation, Type: System.Int32[], IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
Dimension Sizes(1):
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
Initializer:
IArrayInitializerOperation (1 elements) (OperationKind.ArrayInitializer, Type: null, IsImplicit) (Syntax: 'GetInt(i2 ?? 1)')
Element Values(1):
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(i2 ?? 1)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i2 ?? 1')
IFlowCaptureReferenceOperation: 7 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i2 ?? 1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B10]
Leaving: {R4}
Entering: {R6}
}
.locals {R6}
{
CaptureIds: [8] [9] [10] [12]
Block[B10] - Block
Predecessors: [B9]
Statements (3)
IFlowCaptureOperation: 8 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '[i1 ?? 0]')
Value:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; set; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[i1 ?? 0]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i1 ?? 0')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i1 ?? 0')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IFlowCaptureOperation: 9 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '{ 3, GetInt(i3 ?? 4) }')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2, IsImplicit) (Syntax: '{ 3, GetInt(i3 ?? 4) }')
IFlowCaptureOperation: 10 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B11]
Entering: {R7}
.locals {R7}
{
CaptureIds: [11]
Block[B11] - Block
Predecessors: [B10]
Statements (1)
IFlowCaptureOperation: 11 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i3')
Value:
IParameterReferenceOperation: i3 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i3')
Jump if True (Regular) to Block[B13]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i3')
Operand:
IFlowCaptureReferenceOperation: 11 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i3')
Leaving: {R7}
Next (Regular) Block[B12]
Block[B12] - Block
Predecessors: [B11]
Statements (1)
IFlowCaptureOperation: 12 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i3')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i3')
Instance Receiver:
IFlowCaptureReferenceOperation: 11 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i3')
Arguments(0)
Next (Regular) Block[B14]
Leaving: {R7}
}
Block[B13] - Block
Predecessors: [B11]
Statements (1)
IFlowCaptureOperation: 12 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B14]
Block[B14] - Block
Predecessors: [B12] [B13]
Statements (1)
IInvocationOperation ( void C2.Add(params System.Int32[] @is)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '{ 3, GetInt(i3 ?? 4) }')
Instance Receiver:
IFlowCaptureReferenceOperation: 8 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: '[i1 ?? 0]')
Arguments(1):
IArgumentOperation (ArgumentKind.ParamArray, Matching Parameter: is) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '{ 3, GetInt(i3 ?? 4) }')
IArrayCreationOperation (OperationKind.ArrayCreation, Type: System.Int32[], IsImplicit) (Syntax: '{ 3, GetInt(i3 ?? 4) }')
Dimension Sizes(1):
IFlowCaptureReferenceOperation: 9 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 2, IsImplicit) (Syntax: '{ 3, GetInt(i3 ?? 4) }')
Initializer:
IArrayInitializerOperation (2 elements) (OperationKind.ArrayInitializer, Type: null, IsImplicit) (Syntax: '{ 3, GetInt(i3 ?? 4) }')
Element Values(2):
IFlowCaptureReferenceOperation: 10 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 3, IsImplicit) (Syntax: '3')
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(i3 ?? 4)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'i3 ?? 4')
IFlowCaptureReferenceOperation: 12 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i3 ?? 4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B15]
Leaving: {R6} {R2}
}
}
Block[B15] - Block
Predecessors: [B14]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new C1 ... ? 4) } } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c = new C1 ... ?? 4) } } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [i ... ?? 4) } } }')
Next (Regular) Block[B16]
Leaving: {R1}
}
Block[B16] - Exit
Predecessors: [B15]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_59()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1 : IEnumerable<C2>
{
/*<bind>*/public static void M(C1 c, int? i1, int? i2)
{
c = new C1 { new C2() { i1 ?? 1, 2 }, new C2() { 3, i2 ?? 4 } };
}/*</bind>*/
public IEnumerator<C2> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(C2 c2) { }
}
class C2 : IEnumerable<int>
{
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int i) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { ne ... i2 ?? 4 } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { ne ... i2 ?? 4 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C2() { i1 ?? 1, 2 }')
Value:
IObjectCreationOperation (Constructor: C2..ctor()) (OperationKind.ObjectCreation, Type: C2) (Syntax: 'new C2() { i1 ?? 1, 2 }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B3]
Entering: {R3} {R4}
.locals {R3}
{
CaptureIds: [4]
.locals {R4}
{
CaptureIds: [3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i1')
Value:
IParameterReferenceOperation: i1 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i1')
Jump if True (Regular) to Block[B5]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i1')
Operand:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i1')
Leaving: {R4}
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i1')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i1')
Instance Receiver:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i1')
Arguments(0)
Next (Regular) Block[B6]
Leaving: {R4}
}
Block[B5] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B6]
Block[B6] - Block
Predecessors: [B4] [B5]
Statements (1)
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'i1 ?? 1')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: 'new C2() { i1 ?? 1, 2 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'i1 ?? 1')
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i1 ?? 1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B7]
Leaving: {R3}
}
Block[B7] - Block
Predecessors: [B6]
Statements (2)
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '2')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: 'new C2() { i1 ?? 1, 2 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C1.Add(C2 c2)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'new C2() { i1 ?? 1, 2 }')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { ne ... i2 ?? 4 } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c2) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new C2() { i1 ?? 1, 2 }')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: 'new C2() { i1 ?? 1, 2 }')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B8]
Leaving: {R2}
Entering: {R5}
}
.locals {R5}
{
CaptureIds: [5]
Block[B8] - Block
Predecessors: [B7]
Statements (2)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C2() { 3, i2 ?? 4 }')
Value:
IObjectCreationOperation (Constructor: C2..ctor()) (OperationKind.ObjectCreation, Type: C2) (Syntax: 'new C2() { 3, i2 ?? 4 }')
Arguments(0)
Initializer:
null
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '3')
Instance Receiver:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: 'new C2() { 3, i2 ?? 4 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '3')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B9]
Entering: {R6} {R7}
.locals {R6}
{
CaptureIds: [7]
.locals {R7}
{
CaptureIds: [6]
Block[B9] - Block
Predecessors: [B8]
Statements (1)
IFlowCaptureOperation: 6 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i2')
Value:
IParameterReferenceOperation: i2 (OperationKind.ParameterReference, Type: System.Int32?) (Syntax: 'i2')
Jump if True (Regular) to Block[B11]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'i2')
Operand:
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i2')
Leaving: {R7}
Next (Regular) Block[B10]
Block[B10] - Block
Predecessors: [B9]
Statements (1)
IFlowCaptureOperation: 7 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i2')
Value:
IInvocationOperation ( System.Int32 System.Int32?.GetValueOrDefault()) (OperationKind.Invocation, Type: System.Int32, IsImplicit) (Syntax: 'i2')
Instance Receiver:
IFlowCaptureReferenceOperation: 6 (OperationKind.FlowCaptureReference, Type: System.Int32?, IsImplicit) (Syntax: 'i2')
Arguments(0)
Next (Regular) Block[B12]
Leaving: {R7}
}
Block[B11] - Block
Predecessors: [B9]
Statements (1)
IFlowCaptureOperation: 7 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B12]
Block[B12] - Block
Predecessors: [B10] [B11]
Statements (1)
IInvocationOperation ( void C2.Add(System.Int32 i)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'i2 ?? 4')
Instance Receiver:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: 'new C2() { 3, i2 ?? 4 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'i2 ?? 4')
IFlowCaptureReferenceOperation: 7 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i2 ?? 4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B13]
Leaving: {R6}
}
Block[B13] - Block
Predecessors: [B12]
Statements (1)
IInvocationOperation ( void C1.Add(C2 c2)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'new C2() { 3, i2 ?? 4 }')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { ne ... i2 ?? 4 } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c2) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'new C2() { 3, i2 ?? 4 }')
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: 'new C2() { 3, i2 ?? 4 }')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B14]
Leaving: {R5}
}
Block[B14] - Block
Predecessors: [B13]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new C1 ... 2 ?? 4 } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c = new C1 ... i2 ?? 4 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { ne ... i2 ?? 4 } }')
Next (Regular) Block[B15]
Leaving: {R1}
}
Block[B15] - Exit
Predecessors: [B14]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_60()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1 : IEnumerable<int>
{
/*<bind>*/public static void M(C1 c, dynamic d1, dynamic d2)
{
c = new C1 { d1, d2 };
}/*</bind>*/
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int c2) { }
public void Add(long c2) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (5)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { d1, d2 }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { d1, d2 }')
Arguments(0)
Initializer:
null
IDynamicInvocationOperation (OperationKind.DynamicInvocation, Type: dynamic, IsImplicit) (Syntax: 'd1')
Expression:
IDynamicMemberReferenceOperation (Member Name: ""Add"", Containing Type: null) (OperationKind.DynamicMemberReference, Type: null, IsImplicit) (Syntax: 'C1')
Type Arguments(0)
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { d1, d2 }')
Arguments(1):
IParameterReferenceOperation: d1 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd1')
ArgumentNames(0)
ArgumentRefKinds(0)
IDynamicInvocationOperation (OperationKind.DynamicInvocation, Type: dynamic, IsImplicit) (Syntax: 'd2')
Expression:
IDynamicMemberReferenceOperation (Member Name: ""Add"", Containing Type: null) (OperationKind.DynamicMemberReference, Type: null, IsImplicit) (Syntax: 'C1')
Type Arguments(0)
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { d1, d2 }')
Arguments(1):
IParameterReferenceOperation: d2 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd2')
ArgumentNames(0)
ArgumentRefKinds(0)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new C1 { d1, d2 };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c = new C1 { d1, d2 }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { d1, d2 }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_61()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1 : IEnumerable<int>
{
/*<bind>*/public static void M(C1 c, bool b, dynamic d1, dynamic d2, dynamic d3)
{
c = new C1 { d1, b ? d2 : d3 };
}/*</bind>*/
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int c2) { }
public void Add(long c2) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (3)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { d1 ... ? d2 : d3 }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { d1 ... ? d2 : d3 }')
Arguments(0)
Initializer:
null
IDynamicInvocationOperation (OperationKind.DynamicInvocation, Type: dynamic, IsImplicit) (Syntax: 'd1')
Expression:
IDynamicMemberReferenceOperation (Member Name: ""Add"", Containing Type: null) (OperationKind.DynamicMemberReference, Type: null, IsImplicit) (Syntax: 'C1')
Type Arguments(0)
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { d1 ... ? d2 : d3 }')
Arguments(1):
IParameterReferenceOperation: d1 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd1')
ArgumentNames(0)
ArgumentRefKinds(0)
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (0)
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'd2')
Value:
IParameterReferenceOperation: d2 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd2')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'd3')
Value:
IParameterReferenceOperation: d3 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd3')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
IDynamicInvocationOperation (OperationKind.DynamicInvocation, Type: dynamic, IsImplicit) (Syntax: 'b ? d2 : d3')
Expression:
IDynamicMemberReferenceOperation (Member Name: ""Add"", Containing Type: null) (OperationKind.DynamicMemberReference, Type: null, IsImplicit) (Syntax: 'C1')
Type Arguments(0)
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { d1 ... ? d2 : d3 }')
Arguments(1):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'b ? d2 : d3')
ArgumentNames(0)
ArgumentRefKinds(0)
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new C1 ... d2 : d3 };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c = new C1 ... ? d2 : d3 }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { d1 ... ? d2 : d3 }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_62()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1
{
/*<bind>*/public static void M(C1 c, bool b, dynamic d1, dynamic d2, dynamic d3)
{
c = new C1 { [GetInt(0)] = { d1, b ? d2 : d3 } };
}/*</bind>*/
static int GetInt(int i) => i;
public C2 this[int i] { get => null; }
}
class C2 : IEnumerable<int>
{
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int c2) { }
public void Add(long c2) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { [G ... d2 : d3 } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { [G ... d2 : d3 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt(0)')
Value:
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(0)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '0')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IDynamicInvocationOperation (OperationKind.DynamicInvocation, Type: dynamic, IsImplicit) (Syntax: 'd1')
Expression:
IDynamicMemberReferenceOperation (Member Name: ""Add"", Containing Type: null) (OperationKind.DynamicMemberReference, Type: null, IsImplicit) (Syntax: '[GetInt(0)]')
Type Arguments(0)
Instance Receiver:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt(0)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... d2 : d3 } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt(0)')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt(0)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Arguments(1):
IParameterReferenceOperation: d1 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd1')
ArgumentNames(0)
ArgumentRefKinds(0)
Next (Regular) Block[B3]
Entering: {R3}
.locals {R3}
{
CaptureIds: [3] [4]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '[GetInt(0)]')
Value:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt(0)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... d2 : d3 } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt(0)')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt(0)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Jump if False (Regular) to Block[B5]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'd2')
Value:
IParameterReferenceOperation: d2 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd2')
Next (Regular) Block[B6]
Block[B5] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'd3')
Value:
IParameterReferenceOperation: d3 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd3')
Next (Regular) Block[B6]
Block[B6] - Block
Predecessors: [B4] [B5]
Statements (1)
IDynamicInvocationOperation (OperationKind.DynamicInvocation, Type: dynamic, IsImplicit) (Syntax: 'b ? d2 : d3')
Expression:
IDynamicMemberReferenceOperation (Member Name: ""Add"", Containing Type: null) (OperationKind.DynamicMemberReference, Type: null, IsImplicit) (Syntax: '[GetInt(0)]')
Type Arguments(0)
Instance Receiver:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: '[GetInt(0)]')
Arguments(1):
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'b ? d2 : d3')
ArgumentNames(0)
ArgumentRefKinds(0)
Next (Regular) Block[B7]
Leaving: {R3} {R2}
}
}
Block[B7] - Block
Predecessors: [B6]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new C1 ... 2 : d3 } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c = new C1 ... d2 : d3 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... d2 : d3 } }')
Next (Regular) Block[B8]
Leaving: {R1}
}
Block[B8] - Exit
Predecessors: [B7]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics, useLatestFrameworkReferences: true);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_63()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1
{
/*<bind>*/public static void M(C1 c, bool b, dynamic d1, dynamic d2, dynamic d3)
{
c = new C1 { [GetInt(0)] = { { 1, 2 }, { d1, b ? d2 : d3 } } };
}/*</bind>*/
static int GetInt(int i) => i;
public C2 this[int i] { get => null; }
}
class C2 : IEnumerable<int>
{
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int c1, int c2) { }
public void Add(long c1, long c2) { }
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new C1 { [G ... : d3 } } }')
Value:
IObjectCreationOperation (Constructor: C1..ctor()) (OperationKind.ObjectCreation, Type: C1) (Syntax: 'new C1 { [G ... : d3 } } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (2)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'GetInt(0)')
Value:
IInvocationOperation (System.Int32 C1.GetInt(System.Int32 i)) (OperationKind.Invocation, Type: System.Int32) (Syntax: 'GetInt(0)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: '0')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IInvocationOperation ( void C2.Add(System.Int32 c1, System.Int32 c2)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: '{ 1, 2 }')
Instance Receiver:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt(0)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... : d3 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt(0)')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt(0)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Arguments(2):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c1) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '1')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c2) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: '2')
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B3]
Entering: {R3}
.locals {R3}
{
CaptureIds: [3] [4] [5]
Block[B3] - Block
Predecessors: [B2]
Statements (2)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '[GetInt(0)]')
Value:
IPropertyReferenceOperation: C2 C1.this[System.Int32 i] { get; } (OperationKind.PropertyReference, Type: C2) (Syntax: '[GetInt(0)]')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... : d3 } } }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i) (OperationKind.Argument, Type: null) (Syntax: 'GetInt(0)')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'GetInt(0)')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'd1')
Value:
IParameterReferenceOperation: d1 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd1')
Jump if False (Regular) to Block[B5]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'd2')
Value:
IParameterReferenceOperation: d2 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd2')
Next (Regular) Block[B6]
Block[B5] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'd3')
Value:
IParameterReferenceOperation: d3 (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'd3')
Next (Regular) Block[B6]
Block[B6] - Block
Predecessors: [B4] [B5]
Statements (1)
IDynamicInvocationOperation (OperationKind.DynamicInvocation, Type: dynamic) (Syntax: '{ d1, b ? d2 : d3 }')
Expression:
IDynamicMemberReferenceOperation (Member Name: ""Add"", Containing Type: null) (OperationKind.DynamicMemberReference, Type: null, IsImplicit) (Syntax: '[GetInt(0)]')
Type Arguments(0)
Instance Receiver:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: C2, IsImplicit) (Syntax: '[GetInt(0)]')
Arguments(2):
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'd1')
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'b ? d2 : d3')
ArgumentNames(0)
ArgumentRefKinds(0)
Next (Regular) Block[B7]
Leaving: {R3} {R2}
}
}
Block[B7] - Block
Predecessors: [B6]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c = new C1 ... : d3 } } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'c = new C1 ... : d3 } } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'new C1 { [G ... : d3 } } }')
Next (Regular) Block[B8]
Leaving: {R1}
}
Block[B8] - Exit
Predecessors: [B7]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics, useLatestFrameworkReferences: true);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_64()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1 : IEnumerable<int>
{
C1(int x){}
/*<bind>*/public static void M(C1 c, int i1)
{
c = new C1 { i1 };
}/*</bind>*/
public IEnumerator<int> GetEnumerator() => throw null;
IEnumerator IEnumerable.GetEnumerator() => throw null;
public void Add(int c2) { }
}
";
var expectedDiagnostics = new[] {
// file.cs(11,17): error CS7036: There is no argument given that corresponds to the required parameter 'x' of 'C1.C1(int)'
// c = new C1 { i1 };
Diagnostic(ErrorCode.ERR_NoCorrespondingArgument, "C1").WithArguments("x", "C1.C1(int)").WithLocation(11, 17)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (4)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new C1 { i1 }')
Value:
IInvalidOperation (OperationKind.Invalid, Type: C1, IsInvalid) (Syntax: 'new C1 { i1 }')
Children(0)
IInvocationOperation ( void C1.Add(System.Int32 c2)) (OperationKind.Invocation, Type: System.Void, IsImplicit) (Syntax: 'i1')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { i1 }')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: c2) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'i1')
IParameterReferenceOperation: i1 (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'i1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null, IsInvalid) (Syntax: 'c = new C1 { i1 };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsInvalid) (Syntax: 'c = new C1 { i1 }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1 { i1 }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_65()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1
{
/*<bind>*/public static void M(C1 c, int i1, int i2)
{
c = new C1(i1) { F = i2 };
}/*</bind>*/
public int F;
}
";
var expectedDiagnostics = new[] {
// file.cs(9,17): error CS1729: 'C1' does not contain a constructor that takes 1 arguments
// c = new C1(i1) { F = i2 };
Diagnostic(ErrorCode.ERR_BadCtorArgCount, "C1").WithArguments("C1", "1").WithLocation(9, 17)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (4)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new C1(i1) { F = i2 }')
Value:
IInvalidOperation (OperationKind.Invalid, Type: C1, IsInvalid) (Syntax: 'new C1(i1) { F = i2 }')
Children(1):
IParameterReferenceOperation: i1 (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'i1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'F = i2')
Left:
IFieldReferenceOperation: System.Int32 C1.F (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'F')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1(i1) { F = i2 }')
Right:
IParameterReferenceOperation: i2 (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'i2')
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null, IsInvalid) (Syntax: 'c = new C1( ... { F = i2 };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsInvalid) (Syntax: 'c = new C1( ... { F = i2 }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1(i1) { F = i2 }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_66()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1
{
/*<bind>*/public static void M(C1 c, int i1, int i2, C1 c1, C1 c2)
{
c = new C1(i1, c1 ?? c2) { F = i2 };
}/*</bind>*/
public int F;
}
";
var expectedDiagnostics = new[] {
// file.cs(9,17): error CS1729: 'C1' does not contain a constructor that takes 2 arguments
// c = new C1(i1, c1 ?? c2) { F = i2 };
Diagnostic(ErrorCode.ERR_BadCtorArgCount, "C1").WithArguments("C1", "2").WithLocation(9, 17)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [4]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1] [3]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'i1')
Value:
IParameterReferenceOperation: i1 (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'i1')
Next (Regular) Block[B3]
Entering: {R3}
.locals {R3}
{
CaptureIds: [2]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c1')
Value:
IParameterReferenceOperation: c1 (OperationKind.ParameterReference, Type: C1) (Syntax: 'c1')
Jump if True (Regular) to Block[B5]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'c1')
Operand:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c1')
Leaving: {R3}
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c1')
Value:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c1')
Next (Regular) Block[B6]
Leaving: {R3}
}
Block[B5] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c2')
Value:
IParameterReferenceOperation: c2 (OperationKind.ParameterReference, Type: C1) (Syntax: 'c2')
Next (Regular) Block[B6]
Block[B6] - Block
Predecessors: [B4] [B5]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new C1(i1, ... { F = i2 }')
Value:
IInvalidOperation (OperationKind.Invalid, Type: C1, IsInvalid) (Syntax: 'new C1(i1, ... { F = i2 }')
Children(2):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'i1')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c1 ?? c2')
Next (Regular) Block[B7]
Leaving: {R2}
}
Block[B7] - Block
Predecessors: [B6]
Statements (2)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'F = i2')
Left:
IFieldReferenceOperation: System.Int32 C1.F (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'F')
Instance Receiver:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1(i1, ... { F = i2 }')
Right:
IParameterReferenceOperation: i2 (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'i2')
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null, IsInvalid) (Syntax: 'c = new C1( ... { F = i2 };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsInvalid) (Syntax: 'c = new C1( ... { F = i2 }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1(i1, ... { F = i2 }')
Next (Regular) Block[B8]
Leaving: {R1}
}
Block[B8] - Exit
Predecessors: [B7]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_67()
{
string source = @"
using System.Collections;
using System.Collections.Generic;
class C1
{
/*<bind>*/public static void M(C1 c, int i1, C1 c1, C1 c2)
{
c = new C1(i1) { F = c1 ?? c2 };
}/*</bind>*/
public C1 F;
}
";
var expectedDiagnostics = new[] {
// file.cs(9,17): error CS1729: 'C1' does not contain a constructor that takes 1 arguments
// c = new C1(i1) { F = c1 ?? c2 };
Diagnostic(ErrorCode.ERR_BadCtorArgCount, "C1").WithArguments("C1", "1").WithLocation(9, 17)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c')
Value:
IParameterReferenceOperation: c (OperationKind.ParameterReference, Type: C1) (Syntax: 'c')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new C1(i1) ... c1 ?? c2 }')
Value:
IInvalidOperation (OperationKind.Invalid, Type: C1, IsInvalid) (Syntax: 'new C1(i1) ... c1 ?? c2 }')
Children(1):
IParameterReferenceOperation: i1 (OperationKind.ParameterReference, Type: System.Int32) (Syntax: 'i1')
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [3]
.locals {R3}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c1')
Value:
IParameterReferenceOperation: c1 (OperationKind.ParameterReference, Type: C1) (Syntax: 'c1')
Jump if True (Regular) to Block[B4]
IIsNullOperation (OperationKind.IsNull, Type: System.Boolean, IsImplicit) (Syntax: 'c1')
Operand:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c1')
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c1')
Value:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c1')
Next (Regular) Block[B5]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'c2')
Value:
IParameterReferenceOperation: c2 (OperationKind.ParameterReference, Type: C1) (Syntax: 'c2')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1) (Syntax: 'F = c1 ?? c2')
Left:
IFieldReferenceOperation: C1 C1.F (OperationKind.FieldReference, Type: C1) (Syntax: 'F')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1(i1) ... c1 ?? c2 }')
Right:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c1 ?? c2')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null, IsInvalid) (Syntax: 'c = new C1( ... c1 ?? c2 };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C1, IsInvalid) (Syntax: 'c = new C1( ... c1 ?? c2 }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C1, IsImplicit) (Syntax: 'c')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: C1, IsInvalid, IsImplicit) (Syntax: 'new C1(i1) ... c1 ?? c2 }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_68()
{
string source = @"
public class MemberInitializerTest
{
public int x, y;
/*<bind>*/public static void Main()
{
var i = new MemberInitializerTest { x = 0, y++ };
}/*</bind>*/
}
";
var expectedDiagnostics = new[] {
// file.cs(7,52): error CS0120: An object reference is required for the non-static field, method, or property 'MemberInitializerTest.y'
// var i = new MemberInitializerTest { x = 0, y++ };
Diagnostic(ErrorCode.ERR_ObjectRequired, "y").WithArguments("MemberInitializerTest.y").WithLocation(7, 52),
// file.cs(7,52): error CS0747: Invalid initializer member declarator
// var i = new MemberInitializerTest { x = 0, y++ };
Diagnostic(ErrorCode.ERR_InvalidInitializerElementInitializer, "y++").WithLocation(7, 52)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [MemberInitializerTest i]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (4)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new MemberI ... = 0, y++ }')
Value:
IObjectCreationOperation (Constructor: MemberInitializerTest..ctor()) (OperationKind.ObjectCreation, Type: MemberInitializerTest, IsInvalid) (Syntax: 'new MemberI ... = 0, y++ }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'x = 0')
Left:
IFieldReferenceOperation: System.Int32 MemberInitializerTest.x (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'x')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MemberInitializerTest, IsInvalid, IsImplicit) (Syntax: 'new MemberI ... = 0, y++ }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
IIncrementOrDecrementOperation (Postfix) (OperationKind.Increment, Type: ?, IsInvalid) (Syntax: 'y++')
Target:
IFieldReferenceOperation: System.Int32 MemberInitializerTest.y (OperationKind.FieldReference, Type: System.Int32, IsInvalid) (Syntax: 'y')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: MemberInitializerTest, IsInvalid, IsImplicit) (Syntax: 'y')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: MemberInitializerTest, IsInvalid, IsImplicit) (Syntax: 'i = new Mem ... = 0, y++ }')
Left:
ILocalReferenceOperation: i (IsDeclaration: True) (OperationKind.LocalReference, Type: MemberInitializerTest, IsInvalid, IsImplicit) (Syntax: 'i = new Mem ... = 0, y++ }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: MemberInitializerTest, IsInvalid, IsImplicit) (Syntax: 'new MemberI ... = 0, y++ }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_69()
{
string source = @"
#pragma warning disable 0169
class A
{
A this[int x, int y]
{
get
{
return new A();
}
}
A this[long x, long y]
{
get
{
return new A();
}
}
int X, Y, Z;
/*<bind>*/static void Main(A a, dynamic x, dynamic y)
{
a = new A {[x, y] = { X = 1, Y = 2, Z = 3 } };
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'a')
Value:
IParameterReferenceOperation: a (OperationKind.ParameterReference, Type: A) (Syntax: 'a')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new A {[x, ... , Z = 3 } }')
Value:
IObjectCreationOperation (Constructor: A..ctor()) (OperationKind.ObjectCreation, Type: A) (Syntax: 'new A {[x, ... , Z = 3 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2] [3]
Block[B2] - Block
Predecessors: [B1]
Statements (5)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'x')
Value:
IParameterReferenceOperation: x (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'x')
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'y')
Value:
IParameterReferenceOperation: y (OperationKind.ParameterReference, Type: dynamic) (Syntax: 'y')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'X = 1')
Left:
IDynamicMemberReferenceOperation (Member Name: ""X"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'X')
Type Arguments(0)
Instance Receiver:
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[x, y]')
Expression:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new A {[x, ... , Z = 3 } }')
Arguments(2):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'x')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'y')
ArgumentNames(0)
ArgumentRefKinds(0)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'Y = 2')
Left:
IDynamicMemberReferenceOperation (Member Name: ""Y"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'Y')
Type Arguments(0)
Instance Receiver:
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[x, y]')
Expression:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new A {[x, ... , Z = 3 } }')
Arguments(2):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'x')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'y')
ArgumentNames(0)
ArgumentRefKinds(0)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'Z = 3')
Left:
IDynamicMemberReferenceOperation (Member Name: ""Z"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'Z')
Type Arguments(0)
Instance Receiver:
IDynamicIndexerAccessOperation (OperationKind.DynamicIndexerAccess, Type: dynamic) (Syntax: '[x, y]')
Expression:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new A {[x, ... , Z = 3 } }')
Arguments(2):
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'x')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'y')
ArgumentNames(0)
ArgumentRefKinds(0)
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B3]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'a = new A { ... Z = 3 } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: A) (Syntax: 'a = new A { ... , Z = 3 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'a')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new A {[x, ... , Z = 3 } }')
Next (Regular) Block[B4]
Leaving: {R1}
}
Block[B4] - Exit
Predecessors: [B3]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_70()
{
string source = @"
#pragma warning disable 0169
class A
{
dynamic D { get; set; }
/*<bind>*/static void Main(A a, bool b)
{
a = new A { D = { X = 1, Y = b ? 2 : 3 } };
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (3)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'a')
Value:
IParameterReferenceOperation: a (OperationKind.ParameterReference, Type: A) (Syntax: 'a')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new A { D = ... ? 2 : 3 } }')
Value:
IObjectCreationOperation (Constructor: A..ctor()) (OperationKind.ObjectCreation, Type: A) (Syntax: 'new A { D = ... ? 2 : 3 } }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'X = 1')
Left:
IDynamicMemberReferenceOperation (Member Name: ""X"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'X')
Type Arguments(0)
Instance Receiver:
IPropertyReferenceOperation: dynamic A.D { get; set; } (OperationKind.PropertyReference, Type: dynamic) (Syntax: 'D')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new A { D = ... ? 2 : 3 } }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2] [3]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'D')
Value:
IPropertyReferenceOperation: dynamic A.D { get; set; } (OperationKind.PropertyReference, Type: dynamic) (Syntax: 'D')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new A { D = ... ? 2 : 3 } }')
Jump if False (Regular) to Block[B4]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Next (Regular) Block[B5]
Block[B4] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B5]
Block[B5] - Block
Predecessors: [B3] [B4]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic) (Syntax: 'Y = b ? 2 : 3')
Left:
IDynamicMemberReferenceOperation (Member Name: ""Y"", Containing Type: dynamic) (OperationKind.DynamicMemberReference, Type: dynamic) (Syntax: 'Y')
Type Arguments(0)
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: dynamic, IsImplicit) (Syntax: 'D')
Right:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 2 : 3')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'a = new A { ... 2 : 3 } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: A) (Syntax: 'a = new A { ... ? 2 : 3 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'a')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new A { D = ... ? 2 : 3 } }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_71()
{
string source = @"
#pragma warning disable 0169
class A
{
dynamic this[int x, int y]
{
get
{
return new A();
}
}
dynamic this[string x, string y]
{
get
{
throw null;
}
}
int X, Y, Z;
/*<bind>*/static void Main()
{
dynamic x = 1;
new A {[y: x, x: x] = { } };
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [dynamic x]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: dynamic, IsImplicit) (Syntax: 'x = 1')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: dynamic, IsImplicit) (Syntax: 'x = 1')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: dynamic, IsImplicit) (Syntax: '1')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [0]
Block[B2] - Block
Predecessors: [B1]
Statements (4)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new A {[y: ... x] = { } }')
Value:
IObjectCreationOperation (Constructor: A..ctor()) (OperationKind.ObjectCreation, Type: A) (Syntax: 'new A {[y: ... x] = { } }')
Arguments(0)
Initializer:
null
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
ILocalReferenceOperation: x (OperationKind.LocalReference, Type: dynamic) (Syntax: 'x')
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'new A {[y: ... x] = { } };')
Expression:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new A {[y: ... x] = { } }')
Next (Regular) Block[B3]
Leaving: {R2} {R1}
}
}
Block[B3] - Exit
Predecessors: [B2]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<MethodDeclarationSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_72()
{
string source = @"
public class MyClass
{
public MyClass(int i1, int i2, int i3) { }
static void M(bool b)
/*<bind>*/{
var c = new MyClass(1, 2, b ? 3 : 4) {};
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [MyClass c]
CaptureIds: [0] [1] [2]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2) (Syntax: '2')
Jump if False (Regular) to Block[B3]
IParameterReferenceOperation: b (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'b')
Next (Regular) Block[B2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '3')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 3) (Syntax: '3')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: '4')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 4) (Syntax: '4')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: MyClass, IsImplicit) (Syntax: 'c = new MyC ... ? 3 : 4) {}')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: MyClass, IsImplicit) (Syntax: 'c = new MyC ... ? 3 : 4) {}')
Right:
IObjectCreationOperation (Constructor: MyClass..ctor(System.Int32 i1, System.Int32 i2, System.Int32 i3)) (OperationKind.ObjectCreation, Type: MyClass) (Syntax: 'new MyClass ... ? 3 : 4) {}')
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i1) (OperationKind.Argument, Type: null) (Syntax: '1')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: '1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i2) (OperationKind.Argument, Type: null) (Syntax: '2')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 2, IsImplicit) (Syntax: '2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: i3) (OperationKind.Argument, Type: null) (Syntax: 'b ? 3 : 4')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, IsImplicit) (Syntax: 'b ? 3 : 4')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Initializer:
null
Next (Regular) Block[B5]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_73()
{
string source = @"
class C
{
static int i1;
public static void Main()
/*<bind>*/{
var c = new C { i1 = 1 };
}/*</bind>*/
}
";
var expectedDiagnostics = new[] {
// file.cs(7,25): error CS1914: Static field or property 'C.i1' cannot be assigned in an object initializer
// var c = new C { i1 = 1 };
Diagnostic(ErrorCode.ERR_StaticMemberInObjectInitializer, "i1").WithArguments("C.i1").WithLocation(7, 25),
// file.cs(4,16): warning CS0414: The field 'C.i1' is assigned but its value is never used
// static int i1;
Diagnostic(ErrorCode.WRN_UnreferencedFieldAssg, "i1").WithArguments("C.i1").WithLocation(4, 16)
};
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (3)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new C { i1 = 1 }')
Value:
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C, IsInvalid) (Syntax: 'new C { i1 = 1 }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32, IsInvalid) (Syntax: 'i1 = 1')
Left:
IFieldReferenceOperation: System.Int32 C.i1 (Static) (OperationKind.FieldReference, Type: System.Int32, IsInvalid) (Syntax: 'i1')
Instance Receiver:
null
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C, IsInvalid, IsImplicit) (Syntax: 'c = new C { i1 = 1 }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: C, IsInvalid, IsImplicit) (Syntax: 'c = new C { i1 = 1 }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C, IsInvalid, IsImplicit) (Syntax: 'new C { i1 = 1 }')
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact]
public void ObjectCreationFlow_74()
{
string source = @"
struct S1
{
public int x;
}
struct S
{
public S1 x;
static void M(bool result)
/*<bind>*/{
result = new S { x = new S1{x=0} }.x.Equals(new S { x = new S1{x=1} });
}/*</bind>*/
}
";
var expectedDiagnostics = DiagnosticDescription.None;
string expectedFlowGraph = @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [3] [4]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'result')
Value:
IParameterReferenceOperation: result (OperationKind.ParameterReference, Type: System.Boolean) (Syntax: 'result')
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [1]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new S { x = ... w S1{x=0} }')
Value:
IObjectCreationOperation (Constructor: S..ctor()) (OperationKind.ObjectCreation, Type: S) (Syntax: 'new S { x = ... w S1{x=0} }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B3]
Entering: {R3}
.locals {R3}
{
CaptureIds: [2]
Block[B3] - Block
Predecessors: [B2]
Statements (3)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new S1{x=0}')
Value:
IObjectCreationOperation (Constructor: S1..ctor()) (OperationKind.ObjectCreation, Type: S1) (Syntax: 'new S1{x=0}')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'x=0')
Left:
IFieldReferenceOperation: System.Int32 S1.x (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'x')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: S1, IsImplicit) (Syntax: 'new S1{x=0}')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 0) (Syntax: '0')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: S1) (Syntax: 'x = new S1{x=0}')
Left:
IFieldReferenceOperation: S1 S.x (OperationKind.FieldReference, Type: S1) (Syntax: 'x')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: S, IsImplicit) (Syntax: 'new S { x = ... w S1{x=0} }')
Right:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: S1, IsImplicit) (Syntax: 'new S1{x=0}')
Next (Regular) Block[B4]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B3]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new S { x = ... S1{x=0} }.x')
Value:
IFieldReferenceOperation: S1 S.x (OperationKind.FieldReference, Type: S1) (Syntax: 'new S { x = ... S1{x=0} }.x')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: S, IsImplicit) (Syntax: 'new S { x = ... w S1{x=0} }')
Next (Regular) Block[B5]
Leaving: {R2}
}
Block[B5] - Block
Predecessors: [B4]
Statements (1)
IFlowCaptureOperation: 4 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new S { x = ... w S1{x=1} }')
Value:
IObjectCreationOperation (Constructor: S..ctor()) (OperationKind.ObjectCreation, Type: S) (Syntax: 'new S { x = ... w S1{x=1} }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B6]
Entering: {R4}
.locals {R4}
{
CaptureIds: [5]
Block[B6] - Block
Predecessors: [B5]
Statements (3)
IFlowCaptureOperation: 5 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new S1{x=1}')
Value:
IObjectCreationOperation (Constructor: S1..ctor()) (OperationKind.ObjectCreation, Type: S1) (Syntax: 'new S1{x=1}')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'x=1')
Left:
IFieldReferenceOperation: System.Int32 S1.x (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'x')
Instance Receiver:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: S1, IsImplicit) (Syntax: 'new S1{x=1}')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: S1) (Syntax: 'x = new S1{x=1}')
Left:
IFieldReferenceOperation: S1 S.x (OperationKind.FieldReference, Type: S1) (Syntax: 'x')
Instance Receiver:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: S, IsImplicit) (Syntax: 'new S { x = ... w S1{x=1} }')
Right:
IFlowCaptureReferenceOperation: 5 (OperationKind.FlowCaptureReference, Type: S1, IsImplicit) (Syntax: 'new S1{x=1}')
Next (Regular) Block[B7]
Leaving: {R4}
}
Block[B7] - Block
Predecessors: [B6]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'result = ne ... S1{x=1} });')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Boolean) (Syntax: 'result = ne ... S1{x=1} })')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Boolean, IsImplicit) (Syntax: 'result')
Right:
IInvocationOperation (virtual System.Boolean System.ValueType.Equals(System.Object obj)) (OperationKind.Invocation, Type: System.Boolean) (Syntax: 'new S { x = ... S1{x=1} })')
Instance Receiver:
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: S1, IsImplicit) (Syntax: 'new S { x = ... S1{x=0} }.x')
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: obj) (OperationKind.Argument, Type: null) (Syntax: 'new S { x = ... w S1{x=1} }')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: 'new S { x = ... w S1{x=1} }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
IFlowCaptureReferenceOperation: 4 (OperationKind.FlowCaptureReference, Type: S, IsImplicit) (Syntax: 'new S { x = ... w S1{x=1} }')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Next (Regular) Block[B8]
Leaving: {R1}
}
Block[B8] - Exit
Predecessors: [B7]
Statements (0)
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)]
[Fact(Skip = "https://github.com/dotnet/roslyn/issues/72931")]
[WorkItem("https://github.com/dotnet/roslyn/issues/72931")]
public void ObjectCreationFlow_75_CollectionInitializerError()
{
string source = @"
public class C
{
public static void Main()
/*<bind>*/{
int d = 1;
var c = new C() { [d] = {2} };
}/*</bind>*/
C2 _test1 = new C2();
C2 this[int x]
{
get => _test1;
}
}
class C2
{
}
";
var expectedDiagnostics = new[] {
// (7,33): error CS1922: Cannot initialize type 'C2' with a collection initializer because it does not implement 'System.Collections.IEnumerable'
// var c = new C() { [d] = {2} };
Diagnostic(ErrorCode.ERR_CollectionInitRequiresIEnumerable, "{2}").WithArguments("C2").WithLocation(7, 33)
};
string expectedFlowGraph = @"
";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source, expectedFlowGraph, expectedDiagnostics);
}
[Fact]
public void ObjectCreationExpression_NoNewConstraint()
{
var source = @"
class C
{
static void F2<T2>()
/*<bind>*/{
object x2;
x2 = new T2 { };
}/*</bind>*/
}";
var comp = CreateCompilation(source);
var diagnostics = new DiagnosticDescription[] {
// (7,14): error CS0304: Cannot create an instance of the variable type 'T2' because it does not have the new() constraint
// x2 = new T2 { };
Diagnostic(ErrorCode.ERR_NoNewTyvar, "new T2 { }").WithArguments("T2").WithLocation(7, 14)
};
var expectedOperationTree = @"
IBlockOperation (2 statements, 1 locals) (OperationKind.Block, Type: null, IsInvalid) (Syntax: '{ ... }')
Locals: Local_1: System.Object x2
IVariableDeclarationGroupOperation (1 declarations) (OperationKind.VariableDeclarationGroup, Type: null) (Syntax: 'object x2;')
IVariableDeclarationOperation (1 declarators) (OperationKind.VariableDeclaration, Type: null) (Syntax: 'object x2')
Declarators:
IVariableDeclaratorOperation (Symbol: System.Object x2) (OperationKind.VariableDeclarator, Type: null) (Syntax: 'x2')
Initializer:
null
Initializer:
null
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null, IsInvalid) (Syntax: 'x2 = new T2 { };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object, IsInvalid) (Syntax: 'x2 = new T2 { }')
Left:
ILocalReferenceOperation: x2 (OperationKind.LocalReference, Type: System.Object) (Syntax: 'x2')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsInvalid, IsImplicit) (Syntax: 'new T2 { }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Operand:
IInvalidOperation (OperationKind.Invalid, Type: T2, IsInvalid) (Syntax: 'new T2 { }')
Children(1):
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: T2, IsInvalid) (Syntax: '{ }')
Initializers(0)";
VerifyOperationTreeAndDiagnosticsForTest<BlockSyntax>(comp, expectedOperationTree, diagnostics);
VerifyFlowGraphForTest<BlockSyntax>(comp, @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [System.Object x2]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'x2')
Value:
ILocalReferenceOperation: x2 (OperationKind.LocalReference, Type: System.Object) (Syntax: 'x2')
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null, IsInvalid) (Syntax: 'x2 = new T2 { };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object, IsInvalid) (Syntax: 'x2 = new T2 { }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'x2')
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsInvalid, IsImplicit) (Syntax: 'new T2 { }')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
IInvalidOperation (OperationKind.Invalid, Type: T2, IsInvalid) (Syntax: 'new T2 { }')
Children(0)
Next (Regular) Block[B2]
Leaving: {R1}
}
Block[B2] - Exit
Predecessors: [B1]
Statements (0)");
}
[Fact]
public void ObjectCreationFlow_ParenthesizedReferenceOffConstructedObject()
{
var source =
@"
class A
{
internal object F1;
}
class B
{
internal A G;
}
class Program
{
static void F(A a)
/*<bind>*/{
a = (new B() { G = new A() { F1 = new object() } }).G;
}/*</bind>*/
}";
var comp = CreateCompilation(source);
VerifyFlowGraphForTest<BlockSyntax>(comp, @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'a')
Value:
IParameterReferenceOperation: a (OperationKind.ParameterReference, Type: A) (Syntax: 'a')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new B() { G ... bject() } }')
Value:
IObjectCreationOperation (Constructor: B..ctor()) (OperationKind.ObjectCreation, Type: B) (Syntax: 'new B() { G ... bject() } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (3)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new A() { F ... object() }')
Value:
IObjectCreationOperation (Constructor: A..ctor()) (OperationKind.ObjectCreation, Type: A) (Syntax: 'new A() { F ... object() }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: 'F1 = new object()')
Left:
IFieldReferenceOperation: System.Object A.F1 (OperationKind.FieldReference, Type: System.Object) (Syntax: 'F1')
Instance Receiver:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new A() { F ... object() }')
Right:
IObjectCreationOperation (Constructor: System.Object..ctor()) (OperationKind.ObjectCreation, Type: System.Object) (Syntax: 'new object()')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: A) (Syntax: 'G = new A() ... object() }')
Left:
IFieldReferenceOperation: A B.G (OperationKind.FieldReference, Type: A) (Syntax: 'G')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: B, IsImplicit) (Syntax: 'new B() { G ... bject() } }')
Right:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'new A() { F ... object() }')
Next (Regular) Block[B3]
Leaving: {R2}
}
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'a = (new B( ... t() } }).G;')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: A) (Syntax: 'a = (new B( ... ct() } }).G')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: A, IsImplicit) (Syntax: 'a')
Right:
IFieldReferenceOperation: A B.G (OperationKind.FieldReference, Type: A) (Syntax: '(new B() { ... ct() } }).G')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: B, IsImplicit) (Syntax: 'new B() { G ... bject() } }')
Next (Regular) Block[B4]
Leaving: {R1}
}
Block[B4] - Exit
Predecessors: [B3]
Statements (0)");
}
[Fact]
public void IndexedPropertyWithDefaultArgumentInVB()
{
var source1 =
@"Imports System
Imports System.Collections.Generic
Imports System.Runtime.InteropServices
<Assembly: PrimaryInteropAssembly(0, 0)>
<Assembly: Guid(""165F752D-E9C4-4F7E-B0D0-CDFD7A36E210"")>
<ComImport()>
<Guid(""165F752D-E9C4-4F7E-B0D0-CDFD7A36E211"")>
<CoClass(GetType(A))>
Public Interface IA
Property P1(Optional index As Integer = 1) As Object
ReadOnly Property P2(Optional index As Integer = 2) As IA
End Interface
Public Class A
Implements IA
Property P1(Optional index As Integer = 1) As Object Implements IA.P1
Get
Return Nothing
End Get
Set(value As Object)
End Set
End Property
ReadOnly Property P2(Optional index As Integer = 2) As IA Implements IA.P2
Get
Return New A()
End Get
End Property
End Class";
var reference1 = BasicCompilationUtils.CompileToMetadata(source1, verify: Verification.Passes);
var source2 =
@"class B
{
static void M(IA a)
/*<bind>*/{
a = new IA() { P2 = { P1 = 5 } };
}/*</bind>*/
}";
VerifyFlowGraphAndDiagnosticsForTest<BlockSyntax>(source2, expectedDiagnostics: DiagnosticDescription.None, references: new[] { reference1 },
expectedFlowGraph: @"
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'a')
Value:
IParameterReferenceOperation: a (OperationKind.ParameterReference, Type: IA) (Syntax: 'a')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'new IA() { ... P1 = 5 } }')
Value:
IObjectCreationOperation (Constructor: A..ctor()) (OperationKind.ObjectCreation, Type: IA) (Syntax: 'new IA() { ... P1 = 5 } }')
Arguments(0)
Initializer:
null
Next (Regular) Block[B2]
Entering: {R2}
.locals {R2}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'P2')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 2, IsImplicit) (Syntax: 'P2')
Next (Regular) Block[B3]
Entering: {R3}
.locals {R3}
{
CaptureIds: [3]
Block[B3] - Block
Predecessors: [B2]
Statements (2)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'P1')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: 'P1')
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Object) (Syntax: 'P1 = 5')
Left:
IPropertyReferenceOperation: System.Object IA.P1[[System.Int32 index = 1]] { get; set; } (OperationKind.PropertyReference, Type: System.Object) (Syntax: 'P1')
Instance Receiver:
IPropertyReferenceOperation: IA IA.P2[[System.Int32 index = 2]] { get; } (OperationKind.PropertyReference, Type: IA) (Syntax: 'P2')
Instance Receiver:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: IA, IsImplicit) (Syntax: 'new IA() { ... P1 = 5 } }')
Arguments(1):
IArgumentOperation (ArgumentKind.DefaultValue, Matching Parameter: index) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'P2')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 2, IsImplicit) (Syntax: 'P2')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Arguments(1):
IArgumentOperation (ArgumentKind.DefaultValue, Matching Parameter: index) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'P1')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Int32, Constant: 1, IsImplicit) (Syntax: 'P1')
InConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
OutConversion: CommonConversion (Exists: True, IsIdentity: True, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
Right:
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, IsImplicit) (Syntax: '5')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(Boxing)
Operand:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 5) (Syntax: '5')
Next (Regular) Block[B4]
Leaving: {R3} {R2}
}
}
Block[B4] - Block
Predecessors: [B3]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'a = new IA( ... P1 = 5 } };')
Expression:
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: IA) (Syntax: 'a = new IA( ... P1 = 5 } }')
Left:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: IA, IsImplicit) (Syntax: 'a')
Right:
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: IA, IsImplicit) (Syntax: 'new IA() { ... P1 = 5 } }')
Next (Regular) Block[B5]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
");
}
[Fact, WorkItem("https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1806208")]
public void InvalidTrailingUnconvertedExpressions()
{
var source = """
var c = /*<bind>*/new C() { F1 = 1, $"{asdf}", true switch { _ => false }, new() }/*</bind>*/;
class C
{
public int F1;
}
""";
var expectedDiagnostics = new[]
{
// (1,37): error CS0747: Invalid initializer member declarator
// var c = /*<bind>*/new C() { F1 = 1, $"{asdf}", true switch { _ => false }, new() }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InvalidInitializerElementInitializer, @"$""{asdf}""").WithLocation(1, 37),
// (1,40): error CS0103: The name 'asdf' does not exist in the current context
// var c = /*<bind>*/new C() { F1 = 1, $"{asdf}", true switch { _ => false }, new() }/*</bind>*/;
Diagnostic(ErrorCode.ERR_NameNotInContext, "asdf").WithArguments("asdf").WithLocation(1, 40),
// (1,48): error CS0747: Invalid initializer member declarator
// var c = /*<bind>*/new C() { F1 = 1, $"{asdf}", true switch { _ => false }, new() }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InvalidInitializerElementInitializer, "true switch { _ => false }").WithLocation(1, 48),
// (1,76): error CS0747: Invalid initializer member declarator
// var c = /*<bind>*/new C() { F1 = 1, $"{asdf}", true switch { _ => false }, new() }/*</bind>*/;
Diagnostic(ErrorCode.ERR_InvalidInitializerElementInitializer, "new()").WithLocation(1, 76)
};
var comp = CreateCompilation(source);
string expectedOperationTree = """
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C, IsInvalid) (Syntax: 'new C() { F ... }, new() }')
Arguments(0)
Initializer:
IObjectOrCollectionInitializerOperation (OperationKind.ObjectOrCollectionInitializer, Type: C, IsInvalid) (Syntax: '{ F1 = 1, $ ... }, new() }')
Initializers(4):
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'F1 = 1')
Left:
IFieldReferenceOperation: System.Int32 C.F1 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'F1')
Instance Receiver:
IInstanceReferenceOperation (ReferenceKind: ImplicitReceiver) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'F1')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
IInterpolatedStringOperation (OperationKind.InterpolatedString, Type: System.String, IsInvalid) (Syntax: '$"{asdf}"')
Parts(1):
IInterpolationOperation (OperationKind.Interpolation, Type: null, IsInvalid) (Syntax: '{asdf}')
Expression:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'asdf')
Children(0)
Alignment:
null
FormatString:
null
IInvalidOperation (OperationKind.Invalid, Type: System.Boolean, IsInvalid, IsImplicit) (Syntax: 'true switch ... => false }')
Children(1):
ISwitchExpressionOperation (1 arms, IsExhaustive: True) (OperationKind.SwitchExpression, Type: System.Boolean, IsInvalid) (Syntax: 'true switch ... => false }')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Boolean, Constant: True, IsInvalid) (Syntax: 'true')
Arms(1):
ISwitchExpressionArmOperation (0 locals) (OperationKind.SwitchExpressionArm, Type: null, IsInvalid) (Syntax: '_ => false')
Pattern:
IDiscardPatternOperation (OperationKind.DiscardPattern, Type: null, IsInvalid) (Syntax: '_') (InputType: System.Boolean, NarrowedType: System.Boolean)
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Boolean, Constant: False, IsInvalid) (Syntax: 'false')
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'new()')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'new()')
Children(0)
""";
VerifyOperationTreeAndDiagnosticsForTest<ObjectCreationExpressionSyntax>(comp, expectedOperationTree, expectedDiagnostics);
string expectedFlowGraph = """
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [C c]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (3)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'new C() { F ... }, new() }')
Value:
IObjectCreationOperation (Constructor: C..ctor()) (OperationKind.ObjectCreation, Type: C, IsInvalid) (Syntax: 'new C() { F ... }, new() }')
Arguments(0)
Initializer:
null
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.Int32) (Syntax: 'F1 = 1')
Left:
IFieldReferenceOperation: System.Int32 C.F1 (OperationKind.FieldReference, Type: System.Int32) (Syntax: 'F1')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C, IsInvalid, IsImplicit) (Syntax: 'new C() { F ... }, new() }')
Right:
ILiteralOperation (OperationKind.Literal, Type: System.Int32, Constant: 1) (Syntax: '1')
IInterpolatedStringOperation (OperationKind.InterpolatedString, Type: System.String, IsInvalid) (Syntax: '$"{asdf}"')
Parts(1):
IInterpolationOperation (OperationKind.Interpolation, Type: null, IsInvalid) (Syntax: '{asdf}')
Expression:
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'asdf')
Children(0)
Alignment:
null
FormatString:
null
Next (Regular) Block[B2]
Entering: {R2} {R3}
.locals {R2}
{
CaptureIds: [1]
.locals {R3}
{
CaptureIds: [2]
Block[B2] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'true')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Boolean, Constant: True, IsInvalid) (Syntax: 'true')
Jump if False (Regular) to Block[B4]
IIsPatternOperation (OperationKind.IsPattern, Type: System.Boolean, IsInvalid) (Syntax: '_ => false')
Value:
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Boolean, Constant: True, IsInvalid, IsImplicit) (Syntax: 'true')
Pattern:
IDiscardPatternOperation (OperationKind.DiscardPattern, Type: null, IsInvalid) (Syntax: '_') (InputType: System.Boolean, NarrowedType: System.Boolean)
Leaving: {R3}
Next (Regular) Block[B3]
Block[B3] - Block
Predecessors: [B2]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsInvalid, IsImplicit) (Syntax: 'false')
Value:
ILiteralOperation (OperationKind.Literal, Type: System.Boolean, Constant: False, IsInvalid) (Syntax: 'false')
Next (Regular) Block[B5]
Leaving: {R3}
}
Block[B4] - Block
Predecessors: [B2]
Statements (0)
Next (Throw) Block[null]
IObjectCreationOperation (Constructor: System.InvalidOperationException..ctor()) (OperationKind.ObjectCreation, Type: System.InvalidOperationException, IsInvalid, IsImplicit) (Syntax: 'true switch ... => false }')
Arguments(0)
Initializer:
null
Block[B5] - Block
Predecessors: [B3]
Statements (1)
IInvalidOperation (OperationKind.Invalid, Type: System.Boolean, IsInvalid, IsImplicit) (Syntax: 'true switch ... => false }')
Children(1):
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Boolean, IsInvalid, IsImplicit) (Syntax: 'true switch ... => false }')
Next (Regular) Block[B6]
Leaving: {R2}
}
Block[B6] - Block
Predecessors: [B5]
Statements (2)
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid, IsImplicit) (Syntax: 'new()')
Children(1):
IInvalidOperation (OperationKind.Invalid, Type: ?, IsInvalid) (Syntax: 'new()')
Children(0)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: C, IsInvalid, IsImplicit) (Syntax: 'c = /*<bind ... }, new() }')
Left:
ILocalReferenceOperation: c (IsDeclaration: True) (OperationKind.LocalReference, Type: C, IsInvalid, IsImplicit) (Syntax: 'c = /*<bind ... }, new() }')
Right:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C, IsInvalid, IsImplicit) (Syntax: 'new C() { F ... }, new() }')
Next (Regular) Block[B7]
Leaving: {R1}
}
Block[B7] - Exit
Predecessors: [B6]
Statements (0)
""";
VerifyFlowGraph(comp, comp.SyntaxTrees[0].GetRoot(), expectedFlowGraph);
}
}
}
|