ConstantValue

Operations\Operation.cs (1)

94public Optional<object?> ConstantValue

Semantics\CollectionExpressionTests.cs (1)

25791Optional<object> IOperation.ConstantValue => throw null;

DataFlow\FeatureChecksVisitor.cs (3)

74 if (GetConstantBool (operation.ConstantValue) is false) 85 return GetConstantBool (literal.ConstantValue); 142 return GetConstantBool (constantPattern.Value.ConstantValue);

TrimAnalysis\TrimAnalysisVisitor.cs (3)

185 if (!operation.ConstantValue.HasValue && // Optimization - if there is already a constant value available, rely on the Visit(IOperation) instead 427 if (operation.ConstantValue.HasValue) { 428 object? constantValue = operation.ConstantValue.Value;

CallAnalysis\Fixers\LegacyLoggingFixer.FixDetails.cs (5)

48if (children[0].ConstantValue.HasValue) 50Message = children[0].ConstantValue.Value as string ?? string.Empty; 66_ = sb.Append(stringOp.ChildOperations.First().ConstantValue.Value as string); 110value = lit.ConstantValue.Value; 114value = fieldRef.ConstantValue.Value;

CallAnalysis\StartsEndsWith.cs (3)

46var s = op.Arguments[0].Value.ConstantValue.Value as string; 50if (op.Arguments.Length > 1 && op.Arguments[1].Value.ConstantValue.HasValue) 52var comp = (StringComparison)op.Arguments[1].Value.ConstantValue.Value!;

OptionsAnalyzer.cs (2)

28operation.Value.ConstantValue.HasValue && 33options.Add(new OptionsItem(property.Property, operation.Value.ConstantValue.Value));

Http\HeaderDictionaryIndexerAnalyzer.cs (1)

36literalOperation.ConstantValue.Value is string indexerValue)

RouteHandlers\DetectAmbiguousRoutes.cs (2)

258if (!Equals(literal.ConstantValue, otherLiteral.ConstantValue))

ActualApiResponseMetadataFactory.cs (1)

234if (operation.ConstantValue is { HasValue: true } constant)

ApiActionsDoNotRequireExplicitModelValidationCheckAnalyzer.cs (1)

169var constantValue = ((ILiteralOperation)operation).ConstantValue;

src\Analyzers\Core\Analyzers\PopulateSwitch\AbstractPopulateSwitchExpressionDiagnosticAnalyzer.cs (1)

43ConstantValueEquals(constantPattern.Value.ConstantValue, value))

src\Analyzers\Core\Analyzers\PopulateSwitch\AbstractPopulateSwitchStatementDiagnosticAnalyzer.cs (2)

48ConstantValueEquals(singleValueCase.Value.ConstantValue, value)) 53ConstantValueEquals(constantPattern.Value.ConstantValue, value))

src\Analyzers\Core\Analyzers\PopulateSwitch\PopulateSwitchExpressionHelpers.cs (3)

44if (arm.Pattern is IConstantPatternOperation { Value.ConstantValue: { HasValue: true, Value: null } }) 78if (operation is IConstantPatternOperation { Value.ConstantValue: { HasValue: true, Value: not null and var value } }) 120if (pattern is IConstantPatternOperation { Value: IConversionOperation { ConstantValue: { HasValue: true, Value: null } } })

src\Analyzers\Core\Analyzers\PopulateSwitch\PopulateSwitchStatementHelpers.cs (6)

44if (patternCaseClause.Guard.ConstantValue.Value is true) 89if (value.ConstantValue is { HasValue: true, Value: null }) 119if (value is null || !value.ConstantValue.HasValue) 129if (value.ConstantValue.Value is null) 132var caseValue = IntegerUtilities.ToInt64(value.ConstantValue.Value); 197case ISingleValueCaseClauseOperation { Value: IConversionOperation { ConstantValue: { HasValue: true, Value: null } } }:

src\Analyzers\Core\Analyzers\RemoveRedundantEquality\AbstractRemoveRedundantEqualityDiagnosticAnalyzer.cs (2)

39if (operation.Pattern is not IConstantPatternOperation { Value.ConstantValue.Value: true or false } constantPattern) 127ConstantValue: { HasValue: true, Value: bool constValue }

src\Analyzers\Core\Analyzers\RemoveUnnecessarySuppressions\SuppressMessageAttributeState.cs (2)

139value.ConstantValue.HasValue && 140value.ConstantValue.Value is string stringValue)

src\Analyzers\Core\Analyzers\RemoveUnusedMembers\AbstractRemoveUnusedMembersDiagnosticAnalyzer.cs (1)

273if (!initializer.Value.ConstantValue.HasValue)

src\Analyzers\Core\Analyzers\RemoveUnusedParametersAndValues\AbstractRemoveUnusedParametersAndValuesDiagnosticAnalyzer.SymbolStartAnalyzer.BlockAnalyzer.cs (2)

192value.ConstantValue.HasValue) 659if (assignmentValue.ConstantValue.HasValue)

src\Analyzers\Core\Analyzers\SimplifyInterpolation\AbstractSimplifyInterpolationHelpers.cs (3)

90if (invocation.Arguments[0].Value is ILiteralOperation { ConstantValue: { HasValue: true, Value: string value } } literal && 211? alignmentOp is { ConstantValue.HasValue: true } 248=> argument.Value.ConstantValue is { HasValue: true, Value: ' ' };

src\Analyzers\Core\Analyzers\UseConditionalExpression\UseConditionalExpressionHelpers.cs (1)

105=> trueValue is ILiteralOperation { ConstantValue: { HasValue: true, Value: bool value } } && value == val;

src\Analyzers\Core\Analyzers\UseThrowExpression\AbstractUseThrowExpressionDiagnosticAnalyzer.cs (2)

265return operation.ConstantValue.HasValue && 266operation.ConstantValue.Value == null;

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\OperationExtensions.cs (1)

378=> operand is ILiteralOperation { ConstantValue: { HasValue: true, Value: null } };

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\FlowAnalysis\CustomDataFlowAnalysis.cs (2)

149if (current.BranchValue.ConstantValue.HasValue && current.BranchValue.ConstantValue.Value is bool constant)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\FlowAnalysis\SymbolUsageAnalysis\SymbolUsageAnalysis.Walker.cs (1)

485if (currentOperation.ConstantValue.Value is null)

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\SyntaxGeneratorExtensions_Negate.cs (5)

440var numericValue = numericLiteralExpression.ConstantValue; 479if (operation?.Kind == OperationKind.Literal && operation.ConstantValue.HasValue && operation.ConstantValue.Value is true) 483else if (operation?.Kind == OperationKind.Literal && operation.ConstantValue.HasValue && operation.ConstantValue.Value is false)

src\Analyzers\CSharp\Analyzers\UseIndexOrRangeOperator\CSharpUseRangeOperatorDiagnosticAnalyzer.cs (2)

272=> operation.ConstantValue.HasValue && 273operation.ConstantValue.Value is int i &&

src\Analyzers\CSharp\Analyzers\UsePatternCombinators\CSharpUsePatternCombinatorsAnalyzer.cs (1)

164: operation.ConstantValue.HasValue;

src\Analyzers\CSharp\Analyzers\UseUtf8StringLiteral\UseUtf8StringLiteralDiagnosticAnalyzer.cs (1)

207if (element.ConstantValue.Value is not byte b)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Simplification\Simplifiers\CastSimplifier.cs (2)

938=> operation.ConstantValue.HasValue && operation.ConstantValue.Value is null;

src\Analyzers\CSharp\CodeFixes\ConvertToRecord\ConvertToRecordHelpers.cs (4)

706ConstantValue.HasValue: true, 707ConstantValue.Value: false, 890ConstantValue.HasValue: true, 891ConstantValue.Value: true,

src\Analyzers\CSharp\CodeFixes\UseIndexOrRangeOperator\CSharpUseRangeOperatorCodeFixProvider.cs (1)

210=> (int)operation.ConstantValue.Value!; // Safe as we already confirmed this was an int when making the result.

src\Analyzers\CSharp\Analyzers\UseIndexOrRangeOperator\CSharpUseRangeOperatorDiagnosticAnalyzer.cs (2)

272=> operation.ConstantValue.HasValue && 273operation.ConstantValue.Value is int i &&

src\Analyzers\CSharp\Analyzers\UsePatternCombinators\CSharpUsePatternCombinatorsAnalyzer.cs (1)

164: operation.ConstantValue.HasValue;

src\Analyzers\CSharp\Analyzers\UseUtf8StringLiteral\UseUtf8StringLiteralDiagnosticAnalyzer.cs (1)

207if (element.ConstantValue.Value is not byte b)

src\Analyzers\CSharp\CodeFixes\ConvertToRecord\ConvertToRecordHelpers.cs (4)

706ConstantValue.HasValue: true, 707ConstantValue.Value: false, 890ConstantValue.HasValue: true, 891ConstantValue.Value: true,

src\Analyzers\CSharp\CodeFixes\UseIndexOrRangeOperator\CSharpUseRangeOperatorCodeFixProvider.cs (1)

210=> (int)operation.ConstantValue.Value!; // Safe as we already confirmed this was an int when making the result.

Semantics\ConstantTests.cs (1)

3513Assert.Equal(stringTextBuilder.ToString(), literalOperation.ConstantValue);

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Simplification\Simplifiers\CastSimplifier.cs (2)

938=> operation.ConstantValue.HasValue && operation.ConstantValue.Value is null;

ConvertIfToSwitch\AbstractConvertIfToSwitchCodeRefactoringProvider.Analyzer.cs (1)

438: operation.ConstantValue.HasValue;

src\Analyzers\Core\Analyzers\PopulateSwitch\AbstractPopulateSwitchExpressionDiagnosticAnalyzer.cs (1)

43ConstantValueEquals(constantPattern.Value.ConstantValue, value))

src\Analyzers\Core\Analyzers\PopulateSwitch\AbstractPopulateSwitchStatementDiagnosticAnalyzer.cs (2)

48ConstantValueEquals(singleValueCase.Value.ConstantValue, value)) 53ConstantValueEquals(constantPattern.Value.ConstantValue, value))

src\Analyzers\Core\Analyzers\PopulateSwitch\PopulateSwitchExpressionHelpers.cs (3)

44if (arm.Pattern is IConstantPatternOperation { Value.ConstantValue: { HasValue: true, Value: null } }) 78if (operation is IConstantPatternOperation { Value.ConstantValue: { HasValue: true, Value: not null and var value } }) 120if (pattern is IConstantPatternOperation { Value: IConversionOperation { ConstantValue: { HasValue: true, Value: null } } })

src\Analyzers\Core\Analyzers\PopulateSwitch\PopulateSwitchStatementHelpers.cs (6)

44if (patternCaseClause.Guard.ConstantValue.Value is true) 89if (value.ConstantValue is { HasValue: true, Value: null }) 119if (value is null || !value.ConstantValue.HasValue) 129if (value.ConstantValue.Value is null) 132var caseValue = IntegerUtilities.ToInt64(value.ConstantValue.Value); 197case ISingleValueCaseClauseOperation { Value: IConversionOperation { ConstantValue: { HasValue: true, Value: null } } }:

src\Analyzers\Core\Analyzers\RemoveRedundantEquality\AbstractRemoveRedundantEqualityDiagnosticAnalyzer.cs (2)

39if (operation.Pattern is not IConstantPatternOperation { Value.ConstantValue.Value: true or false } constantPattern) 127ConstantValue: { HasValue: true, Value: bool constValue }

src\Analyzers\Core\Analyzers\RemoveUnnecessarySuppressions\SuppressMessageAttributeState.cs (2)

139value.ConstantValue.HasValue && 140value.ConstantValue.Value is string stringValue)

src\Analyzers\Core\Analyzers\RemoveUnusedMembers\AbstractRemoveUnusedMembersDiagnosticAnalyzer.cs (1)

273if (!initializer.Value.ConstantValue.HasValue)

src\Analyzers\Core\Analyzers\RemoveUnusedParametersAndValues\AbstractRemoveUnusedParametersAndValuesDiagnosticAnalyzer.SymbolStartAnalyzer.BlockAnalyzer.cs (2)

192value.ConstantValue.HasValue) 659if (assignmentValue.ConstantValue.HasValue)

src\Analyzers\Core\Analyzers\SimplifyInterpolation\AbstractSimplifyInterpolationHelpers.cs (3)

90if (invocation.Arguments[0].Value is ILiteralOperation { ConstantValue: { HasValue: true, Value: string value } } literal && 211? alignmentOp is { ConstantValue.HasValue: true } 248=> argument.Value.ConstantValue is { HasValue: true, Value: ' ' };

src\Analyzers\Core\Analyzers\UseConditionalExpression\UseConditionalExpressionHelpers.cs (1)

105=> trueValue is ILiteralOperation { ConstantValue: { HasValue: true, Value: bool value } } && value == val;

src\Analyzers\Core\Analyzers\UseThrowExpression\AbstractUseThrowExpressionDiagnosticAnalyzer.cs (2)

265return operation.ConstantValue.HasValue && 266operation.ConstantValue.Value == null;

Compilation\OperationTreeVerifier.cs (2)

110if (operation.ConstantValue.HasValue) 113LogConstant(operation.ConstantValue);

Compilation\TestOperationVisitor.cs (8)

48var constantValue = operation.ConstantValue; 1362Assert.False(pattern.ConstantValue.HasValue); 1550Assert.False(operation.ConstantValue.HasValue); 1560Assert.False(operation.ConstantValue.HasValue); 1723if (!operation.Value.ConstantValue.HasValue || operation.Value.ConstantValue.Value != null) 1801Assert.False(operation.ConstantValue.HasValue); 1827Assert.False(operation.ConstantValue.HasValue);

Diagnostics\EmptyArrayAnalyzer.cs (1)

78Optional<object> arrayLength = arrayCreation.DimensionSizes[0].ConstantValue;

Diagnostics\LocalCouldBeConstAnalyzer.cs (1)

92if (initializer != null && initializer.Value.ConstantValue.HasValue)

Diagnostics\OperationTestAnalyzer.cs (24)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\FlowAnalysis\CustomDataFlowAnalysis.cs (2)

149if (current.BranchValue.ConstantValue.HasValue && current.BranchValue.ConstantValue.Value is bool constant)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\OperationExtensions.cs (1)

378=> operand is ILiteralOperation { ConstantValue: { HasValue: true, Value: null } };

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\FlowAnalysis\CustomDataFlowAnalysis.cs (2)

149if (current.BranchValue.ConstantValue.HasValue && current.BranchValue.ConstantValue.Value is bool constant)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\FlowAnalysis\SymbolUsageAnalysis\SymbolUsageAnalysis.Walker.cs (1)

485if (currentOperation.ConstantValue.Value is null)

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\SyntaxGeneratorExtensions_Negate.cs (5)

440var numericValue = numericLiteralExpression.ConstantValue; 479if (operation?.Kind == OperationKind.Literal && operation.ConstantValue.HasValue && operation.ConstantValue.Value is true) 483else if (operation?.Kind == OperationKind.Literal && operation.ConstantValue.HasValue && operation.ConstantValue.Value is false)

Analyzers\ComHostingDoesNotSupportGeneratedComInterfaceAnalyzer.cs (1)

46|| ctor.Arguments[0].Value.ConstantValue.Value is not true)

src\libraries\System.Runtime.InteropServices\gen\Common\OperationExtensions.cs (1)

47return operation is { ConstantValue: { HasValue: true, Value: null } };

Analyzers\CustomMarshallerAttributeAnalyzer.cs (1)

689if (marshalModeArgument.Value is not IFieldReferenceOperation { ConstantValue.Value: var marshalMode }

src\libraries\System.Runtime.InteropServices\gen\Common\OperationExtensions.cs (1)

47return operation is { ConstantValue: { HasValue: true, Value: null } };

src\libraries\System.Runtime.InteropServices\gen\Common\OperationExtensions.cs (1)

47return operation is { ConstantValue: { HasValue: true, Value: null } };

IOperation\IOperationTests.vb (1)

75Assert.Equal(CInt(literal1.ConstantValue.Value), 10)

UpgradeToGeneratedRegexAnalyzer.cs (4)

183if (!argument.Value.ConstantValue.HasValue) 190_ = RegexParser.ParseOptionsInPattern((string)argument.Value.ConstantValue.Value!, RegexOptions.None); 206if (!argument.Value.ConstantValue.HasValue) 211RegexOptions value = (RegexOptions)(int)argument.Value.ConstantValue.Value!;

UpgradeToGeneratedRegexCodeFixer.cs (6)

263return patternArgument.Value.ConstantValue.Value as string; 270return optionsArgument is null || !optionsArgument.Value.ConstantValue.HasValue ? 272(RegexOptions)(int)optionsArgument.Value.ConstantValue.Value!; 287string optionsLiteral = Literal(((RegexOptions)(int)argument.Value.ConstantValue.Value!).ToString()); 299else if (argument.Value.ConstantValue.Value is string str && str.Contains('\\')) 305return generator.LiteralExpression(argument.Value.ConstantValue.Value);