| 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 | #include "clang/AST/Attr.h" |
| 11 | #include <optional> |
| 12 | |
| 13 | using namespace clang; |
| 14 | using namespace tooling; |
| 15 | |
| 16 | Expected<SelectedASTNode> |
| 17 | ASTSelectionRequirement::evaluate(RefactoringRuleContext &Context) const { |
| 18 | // FIXME: Memoize so that selection is evaluated only once. |
| 19 | Expected<SourceRange> Range = |
| 20 | SourceRangeSelectionRequirement::evaluate(Context); |
| 21 | if (!Range) |
| 22 | return Range.takeError(); |
| 23 | |
| 24 | std::optional<SelectedASTNode> Selection = |
| 25 | findSelectedASTNodes(Context.getASTContext(), *Range); |
| 26 | if (!Selection) |
| 27 | return Context.createDiagnosticError( |
| 28 | Range->getBegin(), diag::err_refactor_selection_invalid_ast); |
| 29 | return std::move(*Selection); |
| 30 | } |
| 31 | |
| 32 | Expected<CodeRangeASTSelection> CodeRangeASTSelectionRequirement::evaluate( |
| 33 | RefactoringRuleContext &Context) const { |
| 34 | // FIXME: Memoize so that selection is evaluated only once. |
| 35 | Expected<SelectedASTNode> ASTSelection = |
| 36 | ASTSelectionRequirement::evaluate(Context); |
| 37 | if (!ASTSelection) |
| 38 | return ASTSelection.takeError(); |
| 39 | std::unique_ptr<SelectedASTNode> StoredSelection = |
| 40 | std::make_unique<SelectedASTNode>(args: std::move(*ASTSelection)); |
| 41 | std::optional<CodeRangeASTSelection> CodeRange = |
| 42 | CodeRangeASTSelection::create(SelectionRange: Context.getSelectionRange(), |
| 43 | ASTSelection: *StoredSelection); |
| 44 | if (!CodeRange) |
| 45 | return Context.createDiagnosticError( |
| 46 | Context.getSelectionRange().getBegin(), |
| 47 | diag::err_refactor_selection_invalid_ast); |
| 48 | Context.setASTSelection(std::move(StoredSelection)); |
| 49 | return std::move(*CodeRange); |
| 50 | } |
| 51 |