|
' 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.
Imports Microsoft.CodeAnalysis.Test.Utilities
Imports Microsoft.CodeAnalysis.VisualBasic.Syntax
Namespace Microsoft.CodeAnalysis.VisualBasic.UnitTests.Semantics
Partial Public Class IOperationTests
Inherits SemanticModelTestBase
<CompilerTrait(CompilerFeature.IOperation)>
<Fact()>
Public Sub IInvocation_SharedMethodWithInstanceReceiver()
Dim source = <![CDATA[
Option Strict On
Module M1
Class C1
Shared Sub S1()
End Sub
Shared Sub S2()
Dim c1Instance As New C1
c1Instance.S1()'BIND:"c1Instance.S1()"
End Sub
End Class
End Module]]>.Value
Dim expectedOperationTree = <![CDATA[
IInvocationOperation ( Sub M1.C1.S1()) (OperationKind.Invocation, Type: System.Void) (Syntax: 'c1Instance.S1()')
Instance Receiver:
ILocalReferenceOperation: c1Instance (OperationKind.LocalReference, Type: M1.C1) (Syntax: 'c1Instance')
Arguments(0)
]]>.Value
Dim expectedDiagnostics = <![CDATA[
BC42025: Access of shared member, constant member, enum member or nested type through an instance; qualifying expression will not be evaluated.
c1Instance.S1()'BIND:"c1Instance.S1()"
~~~~~~~~~~~~~
]]>.Value
VerifyOperationTreeAndDiagnosticsForTest(Of InvocationExpressionSyntax)(source, expectedOperationTree, expectedDiagnostics)
End Sub
<CompilerTrait(CompilerFeature.IOperation)>
<Fact()>
Public Sub IInvocation_SharedMethodAccessOnClass()
Dim source = <![CDATA[
Option Strict On
Module M1
Class C1
Shared Sub S1()
End Sub
Shared Sub S2()
C1.S1()'BIND:"C1.S1()"
End Sub
End Class
End Module]]>.Value
Dim expectedOperationTree = <![CDATA[
IInvocationOperation (Sub M1.C1.S1()) (OperationKind.Invocation, Type: System.Void) (Syntax: 'C1.S1()')
Instance Receiver:
null
Arguments(0)
]]>.Value
Dim expectedDiagnostics = String.Empty
VerifyOperationTreeAndDiagnosticsForTest(Of InvocationExpressionSyntax)(source, expectedOperationTree, expectedDiagnostics)
End Sub
<CompilerTrait(CompilerFeature.IOperation)>
<Fact()>
Public Sub IInvocation_InstanceMethodAccessOnClass()
Dim source = <![CDATA[
Option Strict On
Module M1
Class C1
Sub S1()
End Sub
Shared Sub S2()
C1.S1()'BIND:"C1.S1()"
End Sub
End Class
End Module]]>.Value
Dim expectedOperationTree = <![CDATA[
IInvocationOperation (Sub M1.C1.S1()) (OperationKind.Invocation, Type: System.Void, IsInvalid) (Syntax: 'C1.S1()')
Instance Receiver:
null
Arguments(0)
]]>.Value
Dim expectedDiagnostics = <![CDATA[
BC30469: Reference to a non-shared member requires an object reference.
C1.S1()'BIND:"C1.S1()"
~~~~~
]]>.Value
VerifyOperationTreeAndDiagnosticsForTest(Of InvocationExpressionSyntax)(source, expectedOperationTree, expectedDiagnostics)
End Sub
<CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)>
<Fact()>
Public Sub InvocationFlow_01()
Dim source = <![CDATA[
Class C
Public Sub M1(o1 As Object, o2 As Object, o3 As Object, o4 As Object, b As Boolean)'BIND:"Public Sub M1(o1 As Object, o2 As Object, o3 As Object, o4 As Object, b As Boolean)"
M2(o1, o2, If(b, o3, o4))
End Sub
Public Sub M2(o1 As Object, o2 As Object, o3 As Object)
End Sub
End Class]]>.Value
Dim expectedDiagnostics = String.Empty
Dim expectedFlowGraph = <![CDATA[
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1] [2] [3]
Block[B1] - Block
Predecessors: [B0]
Statements (3)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'M2')
Value:
IInstanceReferenceOperation (ReferenceKind: ContainingTypeInstance) (OperationKind.InstanceReference, Type: C, IsImplicit) (Syntax: 'M2')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o1')
Value:
IParameterReferenceOperation: o1 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o1')
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o2')
Value:
IParameterReferenceOperation: o2 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o2')
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: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o3')
Value:
IParameterReferenceOperation: o3 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o3')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 3 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o4')
Value:
IParameterReferenceOperation: o4 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o4')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'M2(o1, o2, ... b, o3, o4))')
Expression:
IInvocationOperation ( Sub C.M2(o1 As System.Object, o2 As System.Object, o3 As System.Object)) (OperationKind.Invocation, Type: System.Void) (Syntax: 'M2(o1, o2, ... b, o3, o4))')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: C, IsImplicit) (Syntax: 'M2')
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: o1) (OperationKind.Argument, Type: null) (Syntax: 'o1')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'o1')
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: o2) (OperationKind.Argument, Type: null) (Syntax: 'o2')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'o2')
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: o3) (OperationKind.Argument, Type: null) (Syntax: 'If(b, o3, o4)')
IFlowCaptureReferenceOperation: 3 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'If(b, o3, o4)')
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]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
]]>.Value
VerifyFlowGraphAndDiagnosticsForTest(Of MethodBlockSyntax)(source, expectedFlowGraph, expectedDiagnostics)
End Sub
<CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)>
<Fact()>
Public Sub InvocationFlow_02()
Dim source = <![CDATA[
Class C
Public Sub M1(o1 As Object, o2 As Object, o3 As Object, o4 As Object, b As Boolean)'BIND:"Public Sub M1(o1 As Object, o2 As Object, o3 As Object, o4 As Object, b As Boolean)"
M2(o1, o2, If(b, o3, o4))
End Sub
Public Shared Sub M2(o1 As Object, o2 As Object, o3 As Object)
End Sub
End Class]]>.Value
Dim expectedDiagnostics = String.Empty
Dim expectedFlowGraph = <![CDATA[
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1] [2]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o1')
Value:
IParameterReferenceOperation: o1 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o1')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o2')
Value:
IParameterReferenceOperation: o2 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o2')
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: 'o3')
Value:
IParameterReferenceOperation: o3 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o3')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o4')
Value:
IParameterReferenceOperation: o4 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o4')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'M2(o1, o2, ... b, o3, o4))')
Expression:
IInvocationOperation (Sub C.M2(o1 As System.Object, o2 As System.Object, o3 As System.Object)) (OperationKind.Invocation, Type: System.Void) (Syntax: 'M2(o1, o2, ... b, o3, o4))')
Instance Receiver:
null
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: o1) (OperationKind.Argument, Type: null) (Syntax: 'o1')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'o1')
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: o2) (OperationKind.Argument, Type: null) (Syntax: 'o2')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'o2')
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: o3) (OperationKind.Argument, Type: null) (Syntax: 'If(b, o3, o4)')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'If(b, o3, o4)')
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]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
]]>.Value
VerifyFlowGraphAndDiagnosticsForTest(Of MethodBlockSyntax)(source, expectedFlowGraph, expectedDiagnostics)
End Sub
<CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)>
<Fact()>
Public Sub InvocationFlow_03()
Dim source = <![CDATA[
Class C
Public Sub M1(o1 As Object, o2 As Object, b As Boolean)'BIND:"Public Sub M1(o1 As Object, o2 As Object, b As Boolean)"
Dim x = If(b, o1, o2).ToString()
End Sub
End Class]]>.Value
Dim expectedDiagnostics = String.Empty
Dim expectedFlowGraph = <![CDATA[
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
Locals: [x As System.String]
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (0)
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: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o1')
Value:
IParameterReferenceOperation: o1 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o1')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o2')
Value:
IParameterReferenceOperation: o2 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o2')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
ISimpleAssignmentOperation (OperationKind.SimpleAssignment, Type: System.String, IsImplicit) (Syntax: 'x = If(b, o ... .ToString()')
Left:
ILocalReferenceOperation: x (IsDeclaration: True) (OperationKind.LocalReference, Type: System.String, IsImplicit) (Syntax: 'x')
Right:
IInvocationOperation (virtual Function System.Object.ToString() As System.String) (OperationKind.Invocation, Type: System.String) (Syntax: 'If(b, o1, o2).ToString()')
Instance Receiver:
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'If(b, o1, o2)')
Arguments(0)
Next (Regular) Block[B5]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
]]>.Value
VerifyFlowGraphAndDiagnosticsForTest(Of MethodBlockSyntax)(source, expectedFlowGraph, expectedDiagnostics)
End Sub
<CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)>
<Fact()>
Public Sub InvocationFlow_04()
Dim source = <![CDATA[
Class C
Public Sub M1(o1 As Object, o2 As Object, o3 As Object, o4 As Object, b As Boolean)'BIND:"Public Sub M1(o1 As Object, o2 As Object, o3 As Object, o4 As Object, b As Boolean)"
M2(o3:=o3, o2:=o2, o1:=If(b, o1, o4))
End Sub
Public Shared Sub M2(o1 As Object, o2 As Object, o3 As Object)
End Sub
End Class]]>.Value
Dim expectedDiagnostics = String.Empty
Dim expectedFlowGraph = <![CDATA[
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0]
Block[B1] - Block
Predecessors: [B0]
Statements (0)
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: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o1')
Value:
IParameterReferenceOperation: o1 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o1')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o4')
Value:
IParameterReferenceOperation: o4 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o4')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'M2(o3:=o3, ... b, o1, o4))')
Expression:
IInvocationOperation (Sub C.M2(o1 As System.Object, o2 As System.Object, o3 As System.Object)) (OperationKind.Invocation, Type: System.Void) (Syntax: 'M2(o3:=o3, ... b, o1, o4))')
Instance Receiver:
null
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: o1) (OperationKind.Argument, Type: null) (Syntax: 'o1:=If(b, o1, o4)')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'If(b, o1, o4)')
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: o2) (OperationKind.Argument, Type: null) (Syntax: 'o2:=o2')
IParameterReferenceOperation: o2 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o2')
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: o3) (OperationKind.Argument, Type: null) (Syntax: 'o3:=o3')
IParameterReferenceOperation: o3 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o3')
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]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
]]>.Value
VerifyFlowGraphAndDiagnosticsForTest(Of MethodBlockSyntax)(source, expectedFlowGraph, expectedDiagnostics)
End Sub
<CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)>
<Fact()>
Public Sub InvocationFlow_05()
Dim source = <![CDATA[
Class C
Public Sub M1(o1 As Object, o2 As Object, o3 As Object, o4 As Object, b As Boolean)'BIND:"Public Sub M1(o1 As Object, o2 As Object, o3 As Object, o4 As Object, b As Boolean)"
M2(o3:=If(b, o3, o4), o2:=o2, o1:=o1)
End Sub
Public Shared Sub M2(o1 As Object, o2 As Object, o3 As Object)
End Sub
End Class]]>.Value
Dim expectedDiagnostics = String.Empty
Dim expectedFlowGraph = <![CDATA[
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1] [2]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o1')
Value:
IParameterReferenceOperation: o1 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o1')
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o2')
Value:
IParameterReferenceOperation: o2 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o2')
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: 'o3')
Value:
IParameterReferenceOperation: o3 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o3')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 2 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o4')
Value:
IParameterReferenceOperation: o4 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o4')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'M2(o3:=If(b ... o2, o1:=o1)')
Expression:
IInvocationOperation (Sub C.M2(o1 As System.Object, o2 As System.Object, o3 As System.Object)) (OperationKind.Invocation, Type: System.Void) (Syntax: 'M2(o3:=If(b ... o2, o1:=o1)')
Instance Receiver:
null
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: o1) (OperationKind.Argument, Type: null) (Syntax: 'o1:=o1')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'o1')
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: o2) (OperationKind.Argument, Type: null) (Syntax: 'o2:=o2')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'o2')
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: o3) (OperationKind.Argument, Type: null) (Syntax: 'o3:=If(b, o3, o4)')
IFlowCaptureReferenceOperation: 2 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'If(b, o3, o4)')
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]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
]]>.Value
VerifyFlowGraphAndDiagnosticsForTest(Of MethodBlockSyntax)(source, expectedFlowGraph, expectedDiagnostics)
End Sub
<CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)>
<Fact()>
Public Sub InvocationFlow_06()
Dim source = <![CDATA[
Class C
Public Sub M1(o1 As Object, o2 As Object, o3 As Object, b As Boolean)'BIND:"Public Sub M1(o1 As Object, o2 As Object, o3 As Object, b As Boolean)"
M2(o2:=If(b, o2, o3), o1:=o1)
End Sub
Public Shared Sub M2(o1 As Object, o2 As Object, Optional o3 As Object = Nothing)
End Sub
End Class]]>.Value
Dim expectedDiagnostics = String.Empty
Dim expectedFlowGraph = <![CDATA[
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o1')
Value:
IParameterReferenceOperation: o1 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o1')
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: 'o2')
Value:
IParameterReferenceOperation: o2 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o2')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o3')
Value:
IParameterReferenceOperation: o3 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o3')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'M2(o2:=If(b ... 3), o1:=o1)')
Expression:
IInvocationOperation (Sub C.M2(o1 As System.Object, o2 As System.Object, [o3 As System.Object = Nothing])) (OperationKind.Invocation, Type: System.Void) (Syntax: 'M2(o2:=If(b ... 3), o1:=o1)')
Instance Receiver:
null
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: o1) (OperationKind.Argument, Type: null) (Syntax: 'o1:=o1')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'o1')
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: o2) (OperationKind.Argument, Type: null) (Syntax: 'o2:=If(b, o2, o3)')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'If(b, o2, o3)')
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: o3) (OperationKind.Argument, Type: null, IsImplicit) (Syntax: 'M2')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, Constant: null, IsImplicit) (Syntax: 'M2')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(WideningNothingLiteral)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null, IsImplicit) (Syntax: 'M2')
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]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
]]>.Value
VerifyFlowGraphAndDiagnosticsForTest(Of MethodBlockSyntax)(source, expectedFlowGraph, expectedDiagnostics)
End Sub
<CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)>
<Fact()>
Public Sub InvocationFlow_07()
Dim source = <![CDATA[
Class C
Public Shared Sub M1(o1 As Object, o2 As Object, o3 As Object, b As Boolean)'BIND:"Public Shared Sub M1(o1 As Object, o2 As Object, o3 As Object, b As Boolean)"
C.M2(o2:=If(b, o2, o3), o1:=o1)
End Sub
Public Sub M2(o1 As Object, o2 As Object, Optional o3 As Object = Nothing)
End Sub
End Class]]>.Value
Dim expectedDiagnostics = <![CDATA[
BC30469: Reference to a non-shared member requires an object reference.
C.M2(o2:=If(b, o2, o3), o1:=o1)
~~~~
]]>.Value
Dim expectedFlowGraph = <![CDATA[
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Entering: {R1}
.locals {R1}
{
CaptureIds: [0] [1]
Block[B1] - Block
Predecessors: [B0]
Statements (1)
IFlowCaptureOperation: 0 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o1')
Value:
IParameterReferenceOperation: o1 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o1')
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: 'o2')
Value:
IParameterReferenceOperation: o2 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o2')
Next (Regular) Block[B4]
Block[B3] - Block
Predecessors: [B1]
Statements (1)
IFlowCaptureOperation: 1 (OperationKind.FlowCapture, Type: null, IsImplicit) (Syntax: 'o3')
Value:
IParameterReferenceOperation: o3 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o3')
Next (Regular) Block[B4]
Block[B4] - Block
Predecessors: [B2] [B3]
Statements (1)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null, IsInvalid) (Syntax: 'C.M2(o2:=If ... 3), o1:=o1)')
Expression:
IInvocationOperation (Sub C.M2(o1 As System.Object, o2 As System.Object, [o3 As System.Object = Nothing])) (OperationKind.Invocation, Type: System.Void, IsInvalid) (Syntax: 'C.M2(o2:=If ... 3), o1:=o1)')
Instance Receiver:
null
Arguments(3):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: o1) (OperationKind.Argument, Type: null) (Syntax: 'o1:=o1')
IFlowCaptureReferenceOperation: 0 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'o1')
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: o2) (OperationKind.Argument, Type: null) (Syntax: 'o2:=If(b, o2, o3)')
IFlowCaptureReferenceOperation: 1 (OperationKind.FlowCaptureReference, Type: System.Object, IsImplicit) (Syntax: 'If(b, o2, o3)')
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: o3) (OperationKind.Argument, Type: null, IsInvalid, IsImplicit) (Syntax: 'C.M2')
IConversionOperation (TryCast: False, Unchecked) (OperationKind.Conversion, Type: System.Object, Constant: null, IsInvalid, IsImplicit) (Syntax: 'C.M2')
Conversion: CommonConversion (Exists: True, IsIdentity: False, IsNumeric: False, IsReference: False, IsUserDefined: False) (MethodSymbol: null)
(WideningNothingLiteral)
Operand:
ILiteralOperation (OperationKind.Literal, Type: null, Constant: null, IsInvalid, IsImplicit) (Syntax: 'C.M2')
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]
Leaving: {R1}
}
Block[B5] - Exit
Predecessors: [B4]
Statements (0)
]]>.Value
VerifyFlowGraphAndDiagnosticsForTest(Of MethodBlockSyntax)(source, expectedFlowGraph, expectedDiagnostics)
End Sub
<CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)>
<Fact()>
Public Sub InvocationFlow_08()
Dim source = <![CDATA[
Class C
Public Sub M1(c1 As C, c2 As C, o1 As Object, o2 As Object) 'BIND:"Public Sub M1(c1 As C, c2 As C, o1 As Object, o2 As Object)"
c1.M2(o1)
Call If(c1, c2).M2(o2)
End Sub
Public Shared Sub M2(o1 As Object)
End Sub
End Class]]>.Value
Dim expectedDiagnostics = <![CDATA[
BC42025: Access of shared member, constant member, enum member or nested type through an instance; qualifying expression will not be evaluated.
c1.M2(o1)
~~~~~
BC42025: Access of shared member, constant member, enum member or nested type through an instance; qualifying expression will not be evaluated.
Call If(c1, c2).M2(o2)
~~~~~~~~~~~~~
]]>.Value
Dim expectedFlowGraph = <![CDATA[
Block[B0] - Entry
Statements (0)
Next (Regular) Block[B1]
Block[B1] - Block
Predecessors: [B0]
Statements (2)
IExpressionStatementOperation (OperationKind.ExpressionStatement, Type: null) (Syntax: 'c1.M2(o1)')
Expression:
IInvocationOperation (Sub C.M2(o1 As System.Object)) (OperationKind.Invocation, Type: System.Void) (Syntax: 'c1.M2(o1)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: o1) (OperationKind.Argument, Type: null) (Syntax: 'o1')
IParameterReferenceOperation: o1 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o1')
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: 'Call If(c1, c2).M2(o2)')
Expression:
IInvocationOperation (Sub C.M2(o1 As System.Object)) (OperationKind.Invocation, Type: System.Void) (Syntax: 'If(c1, c2).M2(o2)')
Instance Receiver:
null
Arguments(1):
IArgumentOperation (ArgumentKind.Explicit, Matching Parameter: o1) (OperationKind.Argument, Type: null) (Syntax: 'o2')
IParameterReferenceOperation: o2 (OperationKind.ParameterReference, Type: System.Object) (Syntax: 'o2')
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[B2]
Block[B2] - Exit
Predecessors: [B1]
Statements (0)
]]>.Value
VerifyFlowGraphAndDiagnosticsForTest(Of MethodBlockSyntax)(source, expectedFlowGraph, expectedDiagnostics)
End Sub
End Class
End Namespace
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