public static async Task ComputeRefactoringsAsync(RefactoringContext context, BinaryExpressionSyntax binaryExpression) { if (context.IsRefactoringEnabled(RefactoringIdentifiers.NegateOperator)) { SyntaxToken operatorToken = binaryExpression.OperatorToken; if (operatorToken.Span.Contains(context.Span) && NegateOperatorRefactoring.CanBeNegated(operatorToken)) { context.RegisterRefactoring( "Negate operator", cancellationToken => NegateOperatorRefactoring.RefactorAsync(context.Document, operatorToken, cancellationToken)); } } if (context.IsRefactoringEnabled(RefactoringIdentifiers.FormatBinaryExpression)) { FormatBinaryExpressionRefactoring.ComputeRefactorings(context, binaryExpression); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.NegateBinaryExpression)) { NegateBinaryExpressionRefactoring.ComputeRefactoring(context, binaryExpression); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandCoalesceExpression) && binaryExpression.OperatorToken.Span.Contains(context.Span)) { ExpandCoalesceExpressionRefactoring.ComputeRefactoring(context, binaryExpression); } if (context.IsAnyRefactoringEnabled( RefactoringIdentifiers.JoinStringExpressions, RefactoringIdentifiers.UseStringBuilderInsteadOfConcatenation) && context.Span.IsBetweenSpans(binaryExpression) && binaryExpression.IsKind(SyntaxKind.AddExpression)) { SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false); StringConcatenationExpressionInfo concatenationInfo = SyntaxInfo.StringConcatenationExpressionInfo(binaryExpression, semanticModel, context.CancellationToken); if (concatenationInfo.Success) { if (context.IsRefactoringEnabled(RefactoringIdentifiers.JoinStringExpressions)) { JoinStringExpressionsRefactoring.ComputeRefactoring(context, concatenationInfo); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.UseStringBuilderInsteadOfConcatenation)) { UseStringBuilderInsteadOfConcatenationRefactoring.ComputeRefactoring(context, concatenationInfo); } } } if (context.IsRefactoringEnabled(RefactoringIdentifiers.SwapExpressionsInBinaryExpression) && context.Span.IsBetweenSpans(binaryExpression)) { SwapExpressionsInBinaryExpressionRefactoring.ComputeRefactoring(context, binaryExpression); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.ReplaceAsWithCast) && context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(binaryExpression)) { SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false); if (ReplaceAsWithCastRefactoring.CanRefactor(binaryExpression, semanticModel, context.CancellationToken)) { context.RegisterRefactoring( "Replace as with cast", cancellationToken => ReplaceAsWithCastRefactoring.RefactorAsync(context.Document, binaryExpression, cancellationToken)); } } if (context.IsRefactoringEnabled(RefactoringIdentifiers.NegateIsExpression)) { NegateIsExpressionRefactoring.ComputeRefactoring(context, binaryExpression); } if (context.Span.IsContainedInSpanOrBetweenSpans(binaryExpression.OperatorToken)) { if (context.IsRefactoringEnabled(RefactoringIdentifiers.ReplaceEqualsExpressionWithStringEquals)) { await ReplaceEqualsExpressionWithStringEqualsRefactoring.ComputeRefactoringAsync(context, binaryExpression).ConfigureAwait(false); } if (context.IsAnyRefactoringEnabled( RefactoringIdentifiers.ReplaceEqualsExpressionWithStringIsNullOrEmpty, RefactoringIdentifiers.ReplaceEqualsExpressionWithStringIsNullOrWhiteSpace)) { await ReplaceEqualsExpressionRefactoring.ComputeRefactoringsAsync(context, binaryExpression).ConfigureAwait(false); } } if (!context.Span.IsBetweenSpans(binaryExpression) && context.IsAnyRefactoringEnabled( RefactoringIdentifiers.ExtractExpressionFromCondition, RefactoringIdentifiers.JoinStringExpressions)) { BinaryExpressionSelection binaryExpressionSelection = BinaryExpressionSelection.Create(binaryExpression, context.Span); if (binaryExpressionSelection.Expressions.Length > 1) { if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExtractExpressionFromCondition)) { ExtractConditionRefactoring.ComputeRefactoring(context, binaryExpressionSelection); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.JoinStringExpressions) && binaryExpression.IsKind(SyntaxKind.AddExpression)) { SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false); StringConcatenationExpressionInfo concatenation = SyntaxInfo.StringConcatenationExpressionInfo(binaryExpressionSelection, semanticModel, context.CancellationToken); if (concatenation.Success) { JoinStringExpressionsRefactoring.ComputeRefactoring(context, concatenation); } } } } }
public static async Task ComputeRefactoringsAsync(RefactoringContext context, BinaryExpressionSyntax binaryExpression) { if (context.IsRefactoringEnabled(RefactoringIdentifiers.NegateOperator)) { SyntaxToken operatorToken = binaryExpression.OperatorToken; if (operatorToken.Span.Contains(context.Span) && NegateOperatorRefactoring.CanBeNegated(operatorToken)) { context.RegisterRefactoring( "Negate operator", cancellationToken => NegateOperatorRefactoring.RefactorAsync(context.Document, operatorToken, cancellationToken)); } } if (context.IsRefactoringEnabled(RefactoringIdentifiers.FormatBinaryExpression)) { FormatBinaryExpressionRefactoring.ComputeRefactorings(context, binaryExpression); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.NegateBinaryExpression)) { NegateBinaryExpressionRefactoring.ComputeRefactoring(context, binaryExpression); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandCoalesceExpression) && binaryExpression.OperatorToken.Span.Contains(context.Span)) { ExpandCoalesceExpressionRefactoring.ComputeRefactoring(context, binaryExpression); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.MergeStringExpressions) && context.Span.IsBetweenSpans(binaryExpression)) { await MergeStringExpressionsRefactoring.ComputeRefactoringAsync(context, binaryExpression).ConfigureAwait(false); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.SwapExpressionsInBinaryExpression) && context.Span.IsBetweenSpans(binaryExpression)) { SwapExpressionsInBinaryExpressionRefactoring.ComputeRefactoring(context, binaryExpression); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.ReplaceAsWithCast) && context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(binaryExpression)) { ReplaceAsWithCastRefactoring.ComputeRefactoring(context, binaryExpression); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.NegateIsExpression)) { NegateIsExpressionRefactoring.ComputeRefactoring(context, binaryExpression); } if (context.Span.IsContainedInSpanOrBetweenSpans(binaryExpression.OperatorToken)) { if (context.IsRefactoringEnabled(RefactoringIdentifiers.ReplaceEqualsExpressionWithStringEquals)) { await ReplaceEqualsExpressionWithStringEqualsRefactoring.ComputeRefactoringAsync(context, binaryExpression).ConfigureAwait(false); } if (context.IsAnyRefactoringEnabled( RefactoringIdentifiers.ReplaceEqualsExpressionWithStringIsNullOrEmpty, RefactoringIdentifiers.ReplaceEqualsExpressionWithStringIsNullOrWhiteSpace)) { await ReplaceEqualsExpressionRefactoring.ComputeRefactoringsAsync(context, binaryExpression).ConfigureAwait(false); } } if (!context.Span.IsBetweenSpans(binaryExpression) && context.IsAnyRefactoringEnabled( RefactoringIdentifiers.ExtractExpressionFromCondition, RefactoringIdentifiers.MergeStringExpressions)) { SelectedExpressions selectedExpressions = SelectedExpressions.TryCreate(binaryExpression, context.Span); if (selectedExpressions?.Expressions.Length > 1) { if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExtractExpressionFromCondition)) { ExtractConditionRefactoring.ComputeRefactoring(context, selectedExpressions); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.MergeStringExpressions)) { await MergeStringExpressionsRefactoring.ComputeRefactoringAsync(context, selectedExpressions).ConfigureAwait(false); } } } }