public static void ComputeRefactorings(RefactoringContext context, WhileStatementSyntax whileStatement) { Document document = context.Document; SyntaxToken whileKeyword = whileStatement.WhileKeyword; bool spanIsEmptyAndContainedInWhileKeyword = context.Span.IsEmptyAndContainedInSpan(whileKeyword); if (context.IsRefactoringEnabled(RefactoringIdentifiers.ConvertWhileToDo) && spanIsEmptyAndContainedInWhileKeyword) { context.RegisterRefactoring( "Convert to 'do'", ct => ConvertWhileToDoAsync(document, whileStatement, omitIfStatement: false, ct), RefactoringIdentifiers.ConvertWhileToDo); context.RegisterRefactoring( "Convert to 'do' (without 'if')", ct => ConvertWhileToDoAsync(document, whileStatement, omitIfStatement: true, ct), ConvertWhileToDoWithoutIfEquivalenceKey); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.ConvertWhileToFor) && spanIsEmptyAndContainedInWhileKeyword) { context.RegisterRefactoring( ConvertWhileToForRefactoring.Title, ct => ConvertWhileToForRefactoring.RefactorAsync(document, whileStatement, ct), RefactoringIdentifiers.ConvertWhileToFor); } }
public static async Task ComputeRefactoringAsync(RefactoringContext context, StatementListSelection selectedStatements) { if (context.IsRefactoringEnabled(RefactoringIdentifiers.WrapInUsingStatement)) { var refactoring = new WrapStatements.WrapInUsingStatementRefactoring(); await refactoring.ComputeRefactoringAsync(context, selectedStatements).ConfigureAwait(false); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.CollapseToInitializer)) { await CollapseToInitializerRefactoring.ComputeRefactoringsAsync(context, selectedStatements).ConfigureAwait(false); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.MergeIfStatements)) { MergeIfStatementsRefactoring.ComputeRefactorings(context, selectedStatements); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.ConvertStatementsToIfElse)) { ConvertStatementsToIfElseRefactoring.ComputeRefactorings(context, selectedStatements); } if (context.IsAnyRefactoringEnabled( RefactoringIdentifiers.UseCoalesceExpressionInsteadOfIf, RefactoringIdentifiers.ConvertIfToConditionalOperator, RefactoringIdentifiers.SimplifyIf)) { SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false); IfAnalysisOptions options = IfStatementRefactoring.GetIfAnalysisOptions(context); foreach (IfAnalysis analysis in IfAnalysis.Analyze(selectedStatements, options, semanticModel, context.CancellationToken)) { string refactoringId = IfStatementRefactoring.GetRefactoringIdentifier(analysis); if (context.IsRefactoringEnabled(refactoringId)) { context.RegisterRefactoring( analysis.Title, cancellationToken => IfRefactoring.RefactorAsync(context.Document, analysis, cancellationToken), equivalenceKey: refactoringId); } } } if (context.IsRefactoringEnabled(RefactoringIdentifiers.MergeLocalDeclarations)) { await MergeLocalDeclarationsRefactoring.ComputeRefactoringsAsync(context, selectedStatements).ConfigureAwait(false); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.MergeAssignmentExpressionWithReturnStatement)) { MergeAssignmentExpressionWithReturnStatementRefactoring.ComputeRefactorings(context, selectedStatements); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.CheckExpressionForNull)) { await CheckExpressionForNullRefactoring.ComputeRefactoringAsync(context, selectedStatements).ConfigureAwait(false); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.ConvertWhileToFor)) { await ConvertWhileToForRefactoring.ComputeRefactoringAsync(context, selectedStatements).ConfigureAwait(false); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.WrapInCondition)) { context.RegisterRefactoring( WrapInIfStatementRefactoring.Title, ct => WrapInIfStatementRefactoring.Instance.RefactorAsync(context.Document, selectedStatements, ct), RefactoringIdentifiers.WrapInCondition); } if (context.IsRefactoringEnabled(RefactoringIdentifiers.WrapInTryCatch)) { context.RegisterRefactoring( WrapInTryCatchRefactoring.Title, ct => WrapInTryCatchRefactoring.Instance.RefactorAsync(context.Document, selectedStatements, ct), RefactoringIdentifiers.WrapInTryCatch); } }