1 //===--- ASTSelectionRequirements.cpp - Clang refactoring library ---------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Tooling/Refactoring/RefactoringActionRuleRequirements.h" 10 11 using namespace clang; 12 using namespace tooling; 13 14 Expected<SelectedASTNode> 15 ASTSelectionRequirement::evaluate(RefactoringRuleContext &Context) const { 16 // FIXME: Memoize so that selection is evaluated only once. 17 Expected<SourceRange> Range = 18 SourceRangeSelectionRequirement::evaluate(Context); 19 if (!Range) 20 return Range.takeError(); 21 22 Optional<SelectedASTNode> Selection = 23 findSelectedASTNodes(Context.getASTContext(), *Range); 24 if (!Selection) 25 return Context.createDiagnosticError( 26 Range->getBegin(), diag::err_refactor_selection_invalid_ast); 27 return std::move(*Selection); 28 } 29 30 Expected<CodeRangeASTSelection> CodeRangeASTSelectionRequirement::evaluate( 31 RefactoringRuleContext &Context) const { 32 // FIXME: Memoize so that selection is evaluated only once. 33 Expected<SelectedASTNode> ASTSelection = 34 ASTSelectionRequirement::evaluate(Context); 35 if (!ASTSelection) 36 return ASTSelection.takeError(); 37 std::unique_ptr<SelectedASTNode> StoredSelection = 38 llvm::make_unique<SelectedASTNode>(std::move(*ASTSelection)); 39 Optional<CodeRangeASTSelection> CodeRange = CodeRangeASTSelection::create( 40 Context.getSelectionRange(), *StoredSelection); 41 if (!CodeRange) 42 return Context.createDiagnosticError( 43 Context.getSelectionRange().getBegin(), 44 diag::err_refactor_selection_invalid_ast); 45 Context.setASTSelection(std::move(StoredSelection)); 46 return std::move(*CodeRange); 47 } 48