IsPatternExpressionSyntax

Syntax.xml.Internal.Generated.cs (1)

8065internal override SyntaxNode CreateRed(SyntaxNode? parent, int position) => new CSharp.Syntax.IsPatternExpressionSyntax(this, parent, position);

Binder\Binder_Expressions.cs (1)

812return BindIsPatternExpression((IsPatternExpressionSyntax)node, diagnostics);

Binder\Binder_Patterns.cs (1)

19private BoundExpression BindIsPatternExpression(IsPatternExpressionSyntax node, BindingDiagnosticBag diagnostics)

Syntax.xml.Main.Generated.cs (6)

274public virtual TResult? VisitIsPatternExpression(IsPatternExpressionSyntax node) => this.DefaultVisit(node); 1018public virtual void VisitIsPatternExpression(IsPatternExpressionSyntax node) => this.DefaultVisit(node); 1761public override SyntaxNode? VisitIsPatternExpression(IsPatternExpressionSyntax node) 3674public static IsPatternExpressionSyntax IsPatternExpression(ExpressionSyntax expression, SyntaxToken isKeyword, PatternSyntax pattern) 3679return (IsPatternExpressionSyntax)Syntax.InternalSyntax.SyntaxFactory.IsPatternExpression((Syntax.InternalSyntax.ExpressionSyntax)expression.Green, (Syntax.InternalSyntax.SyntaxToken)isKeyword.Node!, (Syntax.InternalSyntax.PatternSyntax)pattern.Green).CreateRed(); 3683public static IsPatternExpressionSyntax IsPatternExpression(ExpressionSyntax expression, PatternSyntax pattern)

Syntax.xml.Syntax.Generated.cs (5)

5085public IsPatternExpressionSyntax Update(ExpressionSyntax expression, SyntaxToken isKeyword, PatternSyntax pattern) 5089var newNode = SyntaxFactory.IsPatternExpression(expression, isKeyword, pattern); 5097public IsPatternExpressionSyntax WithExpression(ExpressionSyntax expression) => Update(expression, this.IsKeyword, this.Pattern); 5098public IsPatternExpressionSyntax WithIsKeyword(SyntaxToken isKeyword) => Update(this.Expression, isKeyword, this.Pattern); 5099public IsPatternExpressionSyntax WithPattern(PatternSyntax pattern) => Update(this.Expression, this.IsKeyword, pattern);

src\Analyzers\CSharp\Analyzers\AddRequiredParentheses\CSharpAddRequiredExpressionParenthesesDiagnosticAnalyzer.cs (2)

54node is IsPatternExpressionSyntax { Pattern: ConstantPatternSyntax }; 64case IsPatternExpressionSyntax { Pattern: ConstantPatternSyntax constantPattern } isPatternExpression:

src\Analyzers\CSharp\Analyzers\RemoveConfusingSuppression\CSharpRemoveConfusingSuppressionDiagnosticAnalyzer.cs (1)

34IsPatternExpressionSyntax isPattern => isPattern.Expression,

src\Analyzers\CSharp\Analyzers\RemoveUnnecessaryDiscardDesignation\CSharpRemoveUnnecessaryDiscardDesignationDiagnosticAnalyzer.cs (1)

59if (declarationPattern.Parent is not IsPatternExpressionSyntax)

src\Analyzers\CSharp\Analyzers\RemoveUnnecessaryParentheses\CSharpRemoveUnnecessaryExpressionParenthesesDiagnosticAnalyzer.cs (2)

75case IsPatternExpressionSyntax isPatternExpression: 80case ConstantPatternSyntax constantPattern when constantPattern.Parent is IsPatternExpressionSyntax isPatternExpression:

src\Analyzers\CSharp\Analyzers\UseCoalesceExpression\CSharpUseCoalesceExpressionForIfNullStatementCheckDiagnosticAnalyzer.cs (1)

48else if (condition is IsPatternExpressionSyntax { Pattern: ConstantPatternSyntax { Expression: LiteralExpressionSyntax(SyntaxKind.NullLiteralExpression) } } isPattern)

src\Analyzers\CSharp\Analyzers\UseCompoundAssignment\CSharpUseCompoundCoalesceAssignmentDiagnosticAnalyzer.cs (1)

188else if (condition is IsPatternExpressionSyntax { Pattern: ConstantPatternSyntax { Expression: LiteralExpressionSyntax(SyntaxKind.NullLiteralExpression) } } isPattern)

src\Analyzers\CSharp\Analyzers\UseNullPropagation\CSharpUseNullPropagationDiagnosticAnalyzer.cs (1)

48if (conditionNode is not IsPatternExpressionSyntax patternExpression)

src\Analyzers\CSharp\Analyzers\UsePatternMatching\CSharpAsAndMemberAccessDiagnosticAnalyzer.cs (1)

66asExpression, out var conditionalAccessExpression, out var binaryExpression, out var isPatternExpression, out var requiredLanguageVersion))

src\Analyzers\CSharp\Analyzers\UsePatternMatching\CSharpAsAndNullCheckDiagnosticAnalyzer.cs (1)

75IsPatternExpressionSyntax isPattern => (isPattern.Expression, isPattern.Pattern),

src\Analyzers\CSharp\Analyzers\UsePatternMatching\CSharpUseNotPatternDiagnosticAnalyzer.cs (1)

75IsPatternExpressionSyntax { Pattern: DeclarationPatternSyntax or ConstantPatternSyntax } isPattern

src\Analyzers\CSharp\Analyzers\UsePatternMatching\UsePatternMatchingHelpers.cs (2)

18out IsPatternExpressionSyntax? isPatternExpression, 81else if (conditionalAccessExpression.Parent is IsPatternExpressionSyntax parentIsPatternExpression)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\ParenthesizedExpressionSyntaxExtensions.cs (3)

346if (node.Parent is not ConstantPatternSyntax { Parent: IsPatternExpressionSyntax }) 722if (pattern is DiscardPatternSyntax && node.Parent is IsPatternExpressionSyntax) 741if (node.Parent is IsPatternExpressionSyntax)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Formatting\Rules\SuppressFormattingRule.cs (1)

104if (node is IsPatternExpressionSyntax isPattern)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Services\SyntaxFacts\CSharpSyntaxFacts.cs (2)

1388var isPatternExpression = (IsPatternExpressionSyntax)node;

src\Analyzers\CSharp\CodeFixes\RemoveConfusingSuppression\CSharpRemoveConfusingSuppressionCodeFixProvider.cs (1)

81IsPatternExpressionSyntax isPattern => isPattern.Expression,

src\Analyzers\CSharp\CodeFixes\RemoveUnnecessaryDiscardDesignation\CSharpRemoveUnnecessaryDiscardDesignationCodeFixProvider.cs (3)

46if (declarationPattern.Parent is IsPatternExpressionSyntax isPattern) 52var currentIsPattern = (IsPatternExpressionSyntax)current;

src\Analyzers\CSharp\CodeFixes\UseIsNullCheck\CSharpUseIsNullCheckForCastAndEqualityOperatorCodeFixProvider.cs (3)

73var isPattern = RewriteWorker(binary); 93private static IsPatternExpressionSyntax RewriteWorker(BinaryExpressionSyntax binary) 98private static IsPatternExpressionSyntax Rewrite(

src\Analyzers\CSharp\CodeFixes\UsePatternMatching\CSharpAsAndMemberAccessCodeFixProvider.cs (3)

56asExpression, out var conditionalAccessExpression, out var binaryExpression, out var isPatternExpression, out _)) 82var newIsExpression = IsPatternExpression( 118BinaryExpressionSyntax? binaryExpression, IsPatternExpressionSyntax? isPatternExpression)

src\Analyzers\CSharp\CodeFixes\UsePatternMatching\CSharpAsAndNullCheckCodeFixProvider.cs (2)

100: ((IsPatternExpressionSyntax)comparison).Pattern; 166var isPatternExpression = IsPatternExpression(asExpression.Left, declarationPattern);

src\Analyzers\CSharp\CodeFixes\UsePatternMatching\CSharpIsAndCastCheckCodeFixProvider.cs (2)

61var updatedCondition = SyntaxFactory.IsPatternExpression( 85IsPatternExpressionSyntax updatedCondition,

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpReplaceDiscardDeclarationsWithAssignmentsService.cs (1)

100declarationPattern.Parent is IsPatternExpressionSyntax isPatternExpression)

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpTypeInferenceService.TypeInferrer.cs (2)

164IsPatternExpressionSyntax isPatternExpression => InferTypeInIsPatternExpression(isPatternExpression, node), 1515IsPatternExpressionSyntax isPatternExpression,

Semantics\PatternMatchingTestBase.cs (1)

465IsPatternExpressionSyntax n => ((BoundIsPatternExpression)binder.BindExpression(n, BindingDiagnosticBag.Discarded)).ReachabilityDecisionDag,

Semantics\PatternMatchingTests.cs (6)

3265foreach (var isExpression in tree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>()) 3445var declaration = tree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().Single(); 3577var node = tree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().First();

Semantics\PatternMatchingTests4.cs (2)

4231var @is = tree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().Single();

Semantics\PatternMatchingTests5.cs (10)

427var isPattern = tree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().Single(); 564var isPattern = tree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().Single(); 795var isPattern = tree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().Single(); 841var isPattern = tree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().Single(); 895var isPattern = tree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().Single();

EndToEndTests.cs (2)

880var isPattern = tree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().Single();

CodeRefactorings\UseRecursivePatterns\UseRecursivePatternsCodeRefactoringProvider.cs (6)

105if (leftTarget.Parent is IsPatternExpressionSyntax isPatternExpression && 114var replacement = isPatternExpression.ReplaceNode(containingPattern, rewrittenPattern); 130var replacement = IsPatternExpression(commonReceiver, RecursivePattern(rightSubpattern)); 136var replacement = IsPatternExpression(commonReceiver, RecursivePattern(leftSubpattern)); 143var replacement = IsPatternExpression(commonReceiver, RecursivePattern(leftSubpattern, rightSubpattern)); 361IsPatternExpressionSyntax expr => (expr.Expression, expr.Pattern, Flipped: false),

GenerateType\CSharpGenerateTypeService.cs (1)

770if (propertyName.Parent is IsPatternExpressionSyntax isPatternExpression)

src\Analyzers\CSharp\Analyzers\AddRequiredParentheses\CSharpAddRequiredExpressionParenthesesDiagnosticAnalyzer.cs (2)

54node is IsPatternExpressionSyntax { Pattern: ConstantPatternSyntax }; 64case IsPatternExpressionSyntax { Pattern: ConstantPatternSyntax constantPattern } isPatternExpression:

src\Analyzers\CSharp\Analyzers\RemoveConfusingSuppression\CSharpRemoveConfusingSuppressionDiagnosticAnalyzer.cs (1)

34IsPatternExpressionSyntax isPattern => isPattern.Expression,

src\Analyzers\CSharp\Analyzers\RemoveUnnecessaryDiscardDesignation\CSharpRemoveUnnecessaryDiscardDesignationDiagnosticAnalyzer.cs (1)

59if (declarationPattern.Parent is not IsPatternExpressionSyntax)

src\Analyzers\CSharp\Analyzers\RemoveUnnecessaryParentheses\CSharpRemoveUnnecessaryExpressionParenthesesDiagnosticAnalyzer.cs (2)

75case IsPatternExpressionSyntax isPatternExpression: 80case ConstantPatternSyntax constantPattern when constantPattern.Parent is IsPatternExpressionSyntax isPatternExpression:

src\Analyzers\CSharp\Analyzers\UseCoalesceExpression\CSharpUseCoalesceExpressionForIfNullStatementCheckDiagnosticAnalyzer.cs (1)

48else if (condition is IsPatternExpressionSyntax { Pattern: ConstantPatternSyntax { Expression: LiteralExpressionSyntax(SyntaxKind.NullLiteralExpression) } } isPattern)

src\Analyzers\CSharp\Analyzers\UseCompoundAssignment\CSharpUseCompoundCoalesceAssignmentDiagnosticAnalyzer.cs (1)

188else if (condition is IsPatternExpressionSyntax { Pattern: ConstantPatternSyntax { Expression: LiteralExpressionSyntax(SyntaxKind.NullLiteralExpression) } } isPattern)

src\Analyzers\CSharp\Analyzers\UseNullPropagation\CSharpUseNullPropagationDiagnosticAnalyzer.cs (1)

48if (conditionNode is not IsPatternExpressionSyntax patternExpression)

src\Analyzers\CSharp\Analyzers\UsePatternMatching\CSharpAsAndMemberAccessDiagnosticAnalyzer.cs (1)

66asExpression, out var conditionalAccessExpression, out var binaryExpression, out var isPatternExpression, out var requiredLanguageVersion))

src\Analyzers\CSharp\Analyzers\UsePatternMatching\CSharpAsAndNullCheckDiagnosticAnalyzer.cs (1)

75IsPatternExpressionSyntax isPattern => (isPattern.Expression, isPattern.Pattern),

src\Analyzers\CSharp\Analyzers\UsePatternMatching\CSharpUseNotPatternDiagnosticAnalyzer.cs (1)

75IsPatternExpressionSyntax { Pattern: DeclarationPatternSyntax or ConstantPatternSyntax } isPattern

src\Analyzers\CSharp\Analyzers\UsePatternMatching\UsePatternMatchingHelpers.cs (2)

18out IsPatternExpressionSyntax? isPatternExpression, 81else if (conditionalAccessExpression.Parent is IsPatternExpressionSyntax parentIsPatternExpression)

src\Analyzers\CSharp\CodeFixes\RemoveConfusingSuppression\CSharpRemoveConfusingSuppressionCodeFixProvider.cs (1)

81IsPatternExpressionSyntax isPattern => isPattern.Expression,

src\Analyzers\CSharp\CodeFixes\RemoveUnnecessaryDiscardDesignation\CSharpRemoveUnnecessaryDiscardDesignationCodeFixProvider.cs (3)

46if (declarationPattern.Parent is IsPatternExpressionSyntax isPattern) 52var currentIsPattern = (IsPatternExpressionSyntax)current;

src\Analyzers\CSharp\CodeFixes\UseIsNullCheck\CSharpUseIsNullCheckForCastAndEqualityOperatorCodeFixProvider.cs (3)

73var isPattern = RewriteWorker(binary); 93private static IsPatternExpressionSyntax RewriteWorker(BinaryExpressionSyntax binary) 98private static IsPatternExpressionSyntax Rewrite(

src\Analyzers\CSharp\CodeFixes\UsePatternMatching\CSharpAsAndMemberAccessCodeFixProvider.cs (3)

56asExpression, out var conditionalAccessExpression, out var binaryExpression, out var isPatternExpression, out _)) 82var newIsExpression = IsPatternExpression( 118BinaryExpressionSyntax? binaryExpression, IsPatternExpressionSyntax? isPatternExpression)

src\Analyzers\CSharp\CodeFixes\UsePatternMatching\CSharpAsAndNullCheckCodeFixProvider.cs (2)

100: ((IsPatternExpressionSyntax)comparison).Pattern; 166var isPatternExpression = IsPatternExpression(asExpression.Left, declarationPattern);

src\Analyzers\CSharp\CodeFixes\UsePatternMatching\CSharpIsAndCastCheckCodeFixProvider.cs (2)

61var updatedCondition = SyntaxFactory.IsPatternExpression( 85IsPatternExpressionSyntax updatedCondition,

UsePatternMatching\CSharpIsAndCastCheckWithoutNameDiagnosticAnalyzer.cs (1)

222var isPattern = SyntaxFactory.IsPatternExpression(

IOperation\IOperationTests_IIsPatternExpression.cs (43)

IOperation\IOperationTests_IParameterReferenceExpression.cs (1)

1054VerifyOperationTreeAndDiagnosticsForTest<IsPatternExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);

IOperation\IOperationTests_IPatternSwitchCase.cs (1)

428VerifyOperationTreeAndDiagnosticsForTest<IsPatternExpressionSyntax>(source, expectedOperationTree, expectedDiagnostics);

Semantics\FunctionPointerTests.cs (7)

3376var isPatterns = syntaxTree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().ToArray(); 3433var isPattern = syntaxTree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().Single(); 3475var isPattern = syntaxTree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().Single(); 3582var isPattern = syntaxTree.GetRoot().DescendantNodes().OfType<IsPatternExpressionSyntax>().Single();

Generated\Syntax.Test.xml.Generated.cs (5)

10618private static IsPatternExpressionSyntax GenerateIsPatternExpression() 12118var node = GenerateIsPatternExpression(); 12123var newNode = node.WithExpression(node.Expression).WithIsKeyword(node.IsKeyword).WithPattern(node.Pattern); 16499var oldNode = GenerateIsPatternExpression(); 16515var oldNode = GenerateIsPatternExpression();

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\ParenthesizedExpressionSyntaxExtensions.cs (3)

346if (node.Parent is not ConstantPatternSyntax { Parent: IsPatternExpressionSyntax }) 722if (pattern is DiscardPatternSyntax && node.Parent is IsPatternExpressionSyntax) 741if (node.Parent is IsPatternExpressionSyntax)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Formatting\Rules\SuppressFormattingRule.cs (1)

104if (node is IsPatternExpressionSyntax isPattern)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Services\SyntaxFacts\CSharpSyntaxFacts.cs (2)

1388var isPatternExpression = (IsPatternExpressionSyntax)node;

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpReplaceDiscardDeclarationsWithAssignmentsService.cs (1)

100declarationPattern.Parent is IsPatternExpressionSyntax isPatternExpression)

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpTypeInferenceService.TypeInferrer.cs (2)

164IsPatternExpressionSyntax isPatternExpression => InferTypeInIsPatternExpression(isPatternExpression, node), 1515IsPatternExpressionSyntax isPatternExpression,

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\ParenthesizedExpressionSyntaxExtensions.cs (3)

346if (node.Parent is not ConstantPatternSyntax { Parent: IsPatternExpressionSyntax }) 722if (pattern is DiscardPatternSyntax && node.Parent is IsPatternExpressionSyntax) 741if (node.Parent is IsPatternExpressionSyntax)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Formatting\Rules\SuppressFormattingRule.cs (1)

104if (node is IsPatternExpressionSyntax isPattern)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Services\SyntaxFacts\CSharpSyntaxFacts.cs (2)

1388var isPatternExpression = (IsPatternExpressionSyntax)node;

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpReplaceDiscardDeclarationsWithAssignmentsService.cs (1)

100declarationPattern.Parent is IsPatternExpressionSyntax isPatternExpression)

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpTypeInferenceService.TypeInferrer.cs (2)

164IsPatternExpressionSyntax isPatternExpression => InferTypeInIsPatternExpression(isPatternExpression, node), 1515IsPatternExpressionSyntax isPatternExpression,