public static async Task ComputeRefactoringsAsync(RefactoringContext context, SyntaxToken commaToken) { if (!commaToken.IsKind(SyntaxKind.CommaToken)) { return; } if (context.IsAnyRefactoringEnabled( RefactoringDescriptors.RenameParameterAccordingToTypeName, RefactoringDescriptors.CheckParameterForNull, RefactoringDescriptors.IntroduceAndInitializeField, RefactoringDescriptors.IntroduceAndInitializeProperty) && commaToken.IsParentKind(SyntaxKind.ParameterList) && context.Span.Start > 0) { ParameterSyntax parameter = context.Root .FindNode(new TextSpan(context.Span.Start - 1, 1))? .FirstAncestorOrSelf <ParameterSyntax>(); if (parameter != null) { await ParameterRefactoring.ComputeRefactoringsAsync(context, parameter).ConfigureAwait(false); } } if (commaToken.IsParentKind(SyntaxKind.ArgumentList)) { ArgumentSyntax argument = ((ArgumentListSyntax)commaToken.Parent) .Arguments .FirstOrDefault(f => f.FullSpan.End == commaToken.FullSpan.Start); if (argument != null) { ArgumentRefactoring.ComputeRefactorings(context, argument); } } }
public async Task ComputeRefactoringsForNodeAsync() { SyntaxNode node = Root.FindNode(Span, findInsideTrivia: false, getInnermostNodeForTie: true); if (node == null) { return; } RefactoringFlags flags = RefactoringFlagsCache.GetInstance(); flags.Reset(); SyntaxNode firstNode = node; for (; node != null; node = node.GetParent(ascendOutOfTrivia: true)) { SyntaxKind kind = node.Kind(); if (!flags.IsSet(Flag.Expression) && node is ExpressionSyntax expression) { await ExpressionRefactoring.ComputeRefactoringsAsync(this, expression).ConfigureAwait(false); flags.Set(Flag.Expression); } if (!flags.IsSet(Flag.MemberDeclaration) && node is MemberDeclarationSyntax memberDeclaration) { await MemberDeclarationRefactoring.ComputeRefactoringsAsync(this, memberDeclaration).ConfigureAwait(false); AttributeListRefactoring.ComputeRefactorings(this, memberDeclaration); await IntroduceConstructorRefactoring.ComputeRefactoringsAsync(this, memberDeclaration).ConfigureAwait(false); flags.Set(Flag.MemberDeclaration); } switch (kind) { case SyntaxKind.AddAccessorDeclaration: case SyntaxKind.RemoveAccessorDeclaration: case SyntaxKind.GetAccessorDeclaration: case SyntaxKind.SetAccessorDeclaration: case SyntaxKind.InitAccessorDeclaration: case SyntaxKind.UnknownAccessorDeclaration: { if (flags.IsSet(Flag.Accessor)) { continue; } AccessorDeclarationRefactoring.ComputeRefactorings(this, (AccessorDeclarationSyntax)node); flags.Set(Flag.Accessor); continue; } case SyntaxKind.Argument: { if (flags.IsSet(Flag.Argument)) { continue; } ArgumentRefactoring.ComputeRefactorings(this, (ArgumentSyntax)node); flags.Set(Flag.Argument); continue; } case SyntaxKind.ArgumentList: { if (flags.IsSet(Flag.ArgumentList)) { continue; } await ArgumentListRefactoring.ComputeRefactoringsAsync(this, (ArgumentListSyntax)node).ConfigureAwait(false); flags.Set(Flag.ArgumentList); continue; } case SyntaxKind.AttributeArgumentList: { if (flags.IsSet(Flag.AttributeArgumentList)) { continue; } await AttributeArgumentListRefactoring.ComputeRefactoringsAsync(this, (AttributeArgumentListSyntax)node).ConfigureAwait(false); flags.Set(Flag.AttributeArgumentList); continue; } case SyntaxKind.ArrowExpressionClause: { if (flags.IsSet(Flag.ArrowExpressionClause)) { continue; } ArrowExpressionClauseRefactoring.ComputeRefactorings(this, (ArrowExpressionClauseSyntax)node); flags.Set(Flag.ArrowExpressionClause); continue; } case SyntaxKind.Parameter: { if (flags.IsSet(Flag.Parameter)) { continue; } await ParameterRefactoring.ComputeRefactoringsAsync(this, (ParameterSyntax)node).ConfigureAwait(false); flags.Set(Flag.Parameter); continue; } case SyntaxKind.ParameterList: { if (flags.IsSet(Flag.ParameterList)) { continue; } await ParameterListRefactoring.ComputeRefactoringsAsync(this, (ParameterListSyntax)node).ConfigureAwait(false); flags.Set(Flag.ParameterList); continue; } case SyntaxKind.SwitchSection: { if (flags.IsSet(Flag.SwitchSection)) { continue; } await SwitchSectionRefactoring.ComputeRefactoringsAsync(this, (SwitchSectionSyntax)node).ConfigureAwait(false); flags.Set(Flag.SwitchSection); continue; } case SyntaxKind.VariableDeclaration: { if (flags.IsSet(Flag.VariableDeclaration)) { continue; } await VariableDeclarationRefactoring.ComputeRefactoringsAsync(this, (VariableDeclarationSyntax)node).ConfigureAwait(false); flags.Set(Flag.VariableDeclaration); continue; } case SyntaxKind.VariableDeclarator: { if (flags.IsSet(Flag.VariableDeclarator)) { continue; } VariableDeclaratorRefactoring.ComputeRefactorings(this, (VariableDeclaratorSyntax)node); flags.Set(Flag.VariableDeclarator); continue; } case SyntaxKind.InterpolatedStringText: { if (flags.IsSet(Flag.InterpolatedStringText)) { continue; } await InterpolatedStringTextRefactoring.ComputeRefactoringsAsync(this, (InterpolatedStringTextSyntax)node).ConfigureAwait(false); flags.Set(Flag.InterpolatedStringText); continue; } case SyntaxKind.Interpolation: { if (flags.IsSet(Flag.Interpolation)) { continue; } InterpolationRefactoring.ComputeRefactorings(this, (InterpolationSyntax)node); flags.Set(Flag.Interpolation); continue; } case SyntaxKind.ElseClause: { if (flags.IsSet(Flag.ElseClause)) { continue; } ElseClauseRefactoring.ComputeRefactorings(this, (ElseClauseSyntax)node); flags.Set(Flag.ElseClause); continue; } case SyntaxKind.CaseSwitchLabel: { if (flags.IsSet(Flag.CaseSwitchLabel)) { continue; } flags.Set(Flag.CaseSwitchLabel); continue; } case SyntaxKind.UsingDirective: { if (flags.IsSet(Flag.UsingDirective)) { continue; } UsingDirectiveRefactoring.ComputeRefactoring(this, (UsingDirectiveSyntax)node); flags.Set(Flag.UsingDirective); continue; } case SyntaxKind.DeclarationPattern: { if (flags.IsSet(Flag.DeclarationPattern)) { continue; } await DeclarationPatternRefactoring.ComputeRefactoringAsync(this, (DeclarationPatternSyntax)node).ConfigureAwait(false); flags.Set(Flag.DeclarationPattern); continue; } case SyntaxKind.TypeParameterConstraintClause: { if (flags.IsSet(Flag.TypeParameterConstraintClause)) { continue; } TypeParameterConstraintClauseRefactoring.ComputeRefactoring(this, (TypeParameterConstraintClauseSyntax)node); flags.Set(Flag.TypeParameterConstraintClause); continue; } case SyntaxKind.Attribute: { if (flags.IsSet(Flag.Attribute)) { continue; } await AttributeRefactoring.ComputeRefactoringAsync(this, (AttributeSyntax)node).ConfigureAwait(false); flags.Set(Flag.Attribute); continue; } case SyntaxKind.SimpleAssignmentExpression: case SyntaxKind.AddAssignmentExpression: case SyntaxKind.SubtractAssignmentExpression: case SyntaxKind.MultiplyAssignmentExpression: case SyntaxKind.DivideAssignmentExpression: case SyntaxKind.ModuloAssignmentExpression: case SyntaxKind.AndAssignmentExpression: case SyntaxKind.ExclusiveOrAssignmentExpression: case SyntaxKind.OrAssignmentExpression: case SyntaxKind.LeftShiftAssignmentExpression: case SyntaxKind.RightShiftAssignmentExpression: { if (flags.IsSet(Flag.AssignmentExpression)) { continue; } AssignmentExpressionRefactoring.ComputeRefactorings(this, (AssignmentExpressionSyntax)node); flags.Set(Flag.AssignmentExpression); continue; } case SyntaxKind.AnonymousMethodExpression: { if (flags.IsSet(Flag.AnonymousMethod)) { continue; } AnonymousMethodExpressionRefactoring.ComputeRefactorings(this, (AnonymousMethodExpressionSyntax)node); flags.Set(Flag.AnonymousMethod); continue; } case SyntaxKind.AddExpression: case SyntaxKind.SubtractExpression: case SyntaxKind.MultiplyExpression: case SyntaxKind.DivideExpression: case SyntaxKind.ModuloExpression: case SyntaxKind.LeftShiftExpression: case SyntaxKind.RightShiftExpression: case SyntaxKind.LogicalOrExpression: case SyntaxKind.LogicalAndExpression: case SyntaxKind.BitwiseOrExpression: case SyntaxKind.BitwiseAndExpression: case SyntaxKind.ExclusiveOrExpression: case SyntaxKind.EqualsExpression: case SyntaxKind.NotEqualsExpression: case SyntaxKind.LessThanExpression: case SyntaxKind.LessThanOrEqualExpression: case SyntaxKind.GreaterThanExpression: case SyntaxKind.GreaterThanOrEqualExpression: case SyntaxKind.IsExpression: case SyntaxKind.AsExpression: case SyntaxKind.CoalesceExpression: { if (flags.IsSet(Flag.BinaryExpression)) { continue; } await BinaryExpressionRefactoring.ComputeRefactoringsAsync(this, (BinaryExpressionSyntax)node).ConfigureAwait(false); flags.Set(Flag.BinaryExpression); continue; } case SyntaxKind.ConditionalExpression: { if (flags.IsSet(Flag.ConditionalExpression)) { continue; } await ConditionalExpressionRefactoring.ComputeRefactoringsAsync(this, (ConditionalExpressionSyntax)node).ConfigureAwait(false); flags.Set(Flag.ConditionalExpression); continue; } case SyntaxKind.QualifiedName: { if (flags.IsSet(Flag.QualifiedName)) { continue; } await QualifiedNameRefactoring.ComputeRefactoringsAsync(this, (QualifiedNameSyntax)node).ConfigureAwait(false); flags.Set(Flag.QualifiedName); continue; } case SyntaxKind.GenericName: { if (flags.IsSet(Flag.GenericName)) { continue; } flags.Set(Flag.GenericName); continue; } case SyntaxKind.IdentifierName: { if (flags.IsSet(Flag.IdentifierName)) { continue; } await IdentifierNameRefactoring.ComputeRefactoringsAsync(this, (IdentifierNameSyntax)node).ConfigureAwait(false); flags.Set(Flag.IdentifierName); continue; } case SyntaxKind.ArrayInitializerExpression: case SyntaxKind.CollectionInitializerExpression: case SyntaxKind.ComplexElementInitializerExpression: case SyntaxKind.ObjectInitializerExpression: case SyntaxKind.WithInitializerExpression: { if (flags.IsSet(Flag.InitializerExpression)) { continue; } await InitializerExpressionRefactoring.ComputeRefactoringsAsync(this, (InitializerExpressionSyntax)node).ConfigureAwait(false); flags.Set(Flag.InitializerExpression); continue; } case SyntaxKind.InterpolatedStringExpression: { if (flags.IsSet(Flag.InterpolatedStringExpression)) { continue; } InterpolatedStringRefactoring.ComputeRefactorings(this, (InterpolatedStringExpressionSyntax)node); flags.Set(Flag.InterpolatedStringExpression); continue; } case SyntaxKind.InvocationExpression: { if (flags.IsSet(Flag.InvocationExpression)) { continue; } await InvocationExpressionRefactoring.ComputeRefactoringsAsync(this, (InvocationExpressionSyntax)node).ConfigureAwait(false); flags.Set(Flag.InvocationExpression); continue; } case SyntaxKind.SimpleLambdaExpression: case SyntaxKind.ParenthesizedLambdaExpression: { if (flags.IsSet(Flag.LambdaExpression)) { continue; } await LambdaExpressionRefactoring.ComputeRefactoringsAsync(this, (LambdaExpressionSyntax)node).ConfigureAwait(false); flags.Set(Flag.LambdaExpression); continue; } case SyntaxKind.CharacterLiteralExpression: case SyntaxKind.DefaultLiteralExpression: case SyntaxKind.FalseLiteralExpression: case SyntaxKind.NullLiteralExpression: case SyntaxKind.NumericLiteralExpression: case SyntaxKind.StringLiteralExpression: case SyntaxKind.TrueLiteralExpression: { if (flags.IsSet(Flag.LiteralExpression)) { continue; } await LiteralExpressionRefactoring.ComputeRefactoringsAsync(this, (LiteralExpressionSyntax)node).ConfigureAwait(false); flags.Set(Flag.LiteralExpression); continue; } case SyntaxKind.SimpleMemberAccessExpression: { if (flags.IsSet(Flag.SimpleMemberAccessExpression)) { continue; } await SimpleMemberAccessExpressionRefactoring.ComputeRefactoringAsync(this, (MemberAccessExpressionSyntax)node).ConfigureAwait(false); flags.Set(Flag.SimpleMemberAccessExpression); continue; } case SyntaxKind.ConditionalAccessExpression: { if (flags.IsSet(Flag.ConditionalAccessExpression)) { continue; } await ConditionalAccessExpressionRefactoring.ComputeRefactoringAsync(this, (ConditionalAccessExpressionSyntax)node).ConfigureAwait(false); flags.Set(Flag.ConditionalAccessExpression); continue; } case SyntaxKind.ParenthesizedExpression: { if (flags.IsSet(Flag.ParenthesizedExpression)) { continue; } ParenthesizedExpressionRefactoring.ComputeRefactorings(this, (ParenthesizedExpressionSyntax)node); flags.Set(Flag.ParenthesizedExpression); continue; } case SyntaxKind.PostDecrementExpression: case SyntaxKind.PostIncrementExpression: { if (flags.IsSet(Flag.PostfixUnaryExpression)) { continue; } PostfixUnaryExpressionRefactoring.ComputeRefactorings(this, (PostfixUnaryExpressionSyntax)node); flags.Set(Flag.PostfixUnaryExpression); continue; } case SyntaxKind.UnaryPlusExpression: case SyntaxKind.UnaryMinusExpression: case SyntaxKind.BitwiseNotExpression: case SyntaxKind.LogicalNotExpression: case SyntaxKind.PreIncrementExpression: case SyntaxKind.PreDecrementExpression: case SyntaxKind.AddressOfExpression: case SyntaxKind.PointerIndirectionExpression: { if (flags.IsSet(Flag.PrefixUnaryExpression)) { continue; } PrefixUnaryExpressionRefactoring.ComputeRefactorings(this, (PrefixUnaryExpressionSyntax)node); flags.Set(Flag.PrefixUnaryExpression); continue; } case SyntaxKind.AwaitExpression: { if (flags.IsSet(Flag.AwaitExpression)) { continue; } flags.Set(Flag.AwaitExpression); continue; } case SyntaxKind.CastExpression: { if (flags.IsSet(Flag.CastExpression)) { continue; } await CastExpressionRefactoring.ComputeRefactoringsAsync(this, (CastExpressionSyntax)node).ConfigureAwait(false); flags.Set(Flag.CastExpression); continue; } case SyntaxKind.ThrowExpression: { if (flags.IsSet(Flag.ThrowExpression)) { continue; } await ThrowExpressionRefactoring.ComputeRefactoringsAsync(this, (ThrowExpressionSyntax)node).ConfigureAwait(false); flags.Set(Flag.ThrowExpression); continue; } case SyntaxKind.DeclarationExpression: { if (flags.IsSet(Flag.DeclarationExpression)) { continue; } await DeclarationExpressionRefactoring.ComputeRefactoringsAsync(this, (DeclarationExpressionSyntax)node).ConfigureAwait(false); flags.Set(Flag.DeclarationExpression); continue; } case SyntaxKind.IsPatternExpression: { if (flags.IsSet(Flag.IsPatternExpression)) { continue; } InvertIsExpressionRefactoring.ComputeRefactoring(this, (IsPatternExpressionSyntax)node); flags.Set(Flag.IsPatternExpression); continue; } case SyntaxKind.SwitchExpression: { if (flags.IsSet(Flag.SwitchExpression)) { continue; } SwitchExpressionRefactoring.ComputeRefactorings(this, (SwitchExpressionSyntax)node); flags.Set(Flag.SwitchExpression); continue; } case SyntaxKind.DoStatement: { if (flags.IsSet(Flag.LoopStatement)) { break; } DoStatementRefactoring.ComputeRefactorings(this, (DoStatementSyntax)node); flags.Set(Flag.LoopStatement); break; } case SyntaxKind.ExpressionStatement: { if (flags.IsSet(Flag.ExpressionStatement)) { break; } await ExpressionStatementRefactoring.ComputeRefactoringsAsync(this, (ExpressionStatementSyntax)node).ConfigureAwait(false); flags.Set(Flag.ExpressionStatement); break; } case SyntaxKind.ForEachStatement: { if (flags.IsSet(Flag.LoopStatement)) { break; } await ForEachStatementRefactoring.ComputeRefactoringsAsync(this, (ForEachStatementSyntax)node).ConfigureAwait(false); flags.Set(Flag.LoopStatement); break; } case SyntaxKind.ForStatement: { if (flags.IsSet(Flag.LoopStatement)) { break; } await ForStatementRefactoring.ComputeRefactoringsAsync(this, (ForStatementSyntax)node).ConfigureAwait(false); flags.Set(Flag.LoopStatement); break; } case SyntaxKind.IfStatement: { if (flags.IsSet(Flag.IfStatement)) { break; } await IfStatementRefactoring.ComputeRefactoringsAsync(this, (IfStatementSyntax)node).ConfigureAwait(false); flags.Set(Flag.IfStatement); break; } case SyntaxKind.LocalDeclarationStatement: { if (flags.IsSet(Flag.LocalDeclarationStatement)) { break; } await LocalDeclarationStatementRefactoring.ComputeRefactoringsAsync(this, (LocalDeclarationStatementSyntax)node).ConfigureAwait(false); flags.Set(Flag.LocalDeclarationStatement); break; } case SyntaxKind.ReturnStatement: { if (flags.IsSet(Flag.ReturnStatement)) { break; } await ReturnStatementRefactoring.ComputeRefactoringsAsync(this, (ReturnStatementSyntax)node).ConfigureAwait(false); flags.Set(Flag.ReturnStatement); break; } case SyntaxKind.SwitchStatement: { if (flags.IsSet(Flag.SwitchStatement)) { break; } await SwitchStatementRefactoring.ComputeRefactoringsAsync(this, (SwitchStatementSyntax)node).ConfigureAwait(false); flags.Set(Flag.SwitchStatement); break; } case SyntaxKind.UsingStatement: { if (flags.IsSet(Flag.UsingStatement)) { break; } UsingStatementRefactoring.ComputeRefactorings(this, (UsingStatementSyntax)node); flags.Set(Flag.UsingStatement); break; } case SyntaxKind.WhileStatement: { if (flags.IsSet(Flag.LoopStatement)) { break; } WhileStatementRefactoring.ComputeRefactorings(this, (WhileStatementSyntax)node); flags.Set(Flag.LoopStatement); break; } case SyntaxKind.YieldBreakStatement: case SyntaxKind.YieldReturnStatement: { if (flags.IsSet(Flag.YieldStatement)) { break; } await YieldStatementRefactoring.ComputeRefactoringsAsync(this, (YieldStatementSyntax)node).ConfigureAwait(false); flags.Set(Flag.YieldStatement); break; } case SyntaxKind.LockStatement: { if (flags.IsSet(Flag.LockStatement)) { break; } LockStatementRefactoring.ComputeRefactorings(this, (LockStatementSyntax)node); flags.Set(Flag.LockStatement); break; } case SyntaxKind.Block: { if (flags.IsSet(Flag.Block)) { break; } await BlockRefactoring.ComputeRefactoringAsync(this, (BlockSyntax)node).ConfigureAwait(false); flags.Set(Flag.Block); break; } case SyntaxKind.ThrowStatement: { if (flags.IsSet(Flag.ThrowStatement)) { break; } await ThrowStatementRefactoring.ComputeRefactoringAsync(this, (ThrowStatementSyntax)node).ConfigureAwait(false); flags.Set(Flag.ThrowStatement); break; } case SyntaxKind.LocalFunctionStatement: { if (flags.IsSet(Flag.LocalFunctionStatement)) { break; } await LocalFunctionStatementRefactoring.ComputeRefactoringsAsync(this, (LocalFunctionStatementSyntax)node).ConfigureAwait(false); flags.Set(Flag.LocalFunctionStatement); break; } case SyntaxKind.UnsafeStatement: { if (flags.IsSet(Flag.UnsafeStatement)) { break; } UnsafeStatementRefactoring.ComputeRefactorings(this, (UnsafeStatementSyntax)node); flags.Set(Flag.UnsafeStatement); break; } } if (!flags.IsSet(Flag.Statement) && node is StatementSyntax statement) { AddBracesRefactoring.ComputeRefactoring(this, statement); RemoveBracesRefactoring.ComputeRefactoring(this, statement); if (IsRefactoringEnabled(RefactoringDescriptors.RemoveContainingStatement)) { RemoveContainingStatementRefactoring.ComputeRefactoring(this, statement); } EmbeddedStatementRefactoring.ComputeRefactoring(this, statement); flags.Set(Flag.Statement); } if (!flags.IsSet(Flag.BlockOrSwitchStatement)) { if (kind == SyntaxKind.Block) { StatementRefactoring.ComputeRefactoring(this, (BlockSyntax)node); flags.Set(Flag.BlockOrSwitchStatement); } else if (kind == SyntaxKind.SwitchStatement) { StatementRefactoring.ComputeRefactoring(this, (SwitchStatementSyntax)node); flags.Set(Flag.BlockOrSwitchStatement); } } } RefactoringFlagsCache.Free(flags); await SelectedLinesRefactoring.ComputeRefactoringsAsync(this, firstNode).ConfigureAwait(false); CommentTriviaRefactoring.ComputeRefactorings(this, firstNode); }