示例#1
0
        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);
            }
        }
示例#2
0
        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);
            }
        }