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//===--- ASTSelectionRequirements.cpp - Clang refactoring library ---------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "clang/Tooling/Refactoring/RefactoringActionRuleRequirements.h"
#include "clang/AST/Attr.h"
#include <optional>
using namespace clang;
using namespace tooling;
Expected<SelectedASTNode>
ASTSelectionRequirement::evaluate(RefactoringRuleContext &Context) const {
// FIXME: Memoize so that selection is evaluated only once.
Expected<SourceRange> Range =
SourceRangeSelectionRequirement::evaluate(Context);
if (!Range)
return Range.takeError();
std::optional<SelectedASTNode> Selection =
findSelectedASTNodes(Context.getASTContext(), *Range);
if (!Selection)
return Context.createDiagnosticError(
Range->getBegin(), diag::err_refactor_selection_invalid_ast);
return std::move(*Selection);
}
Expected<CodeRangeASTSelection> CodeRangeASTSelectionRequirement::evaluate(
RefactoringRuleContext &Context) const {
// FIXME: Memoize so that selection is evaluated only once.
Expected<SelectedASTNode> ASTSelection =
ASTSelectionRequirement::evaluate(Context);
if (!ASTSelection)
return ASTSelection.takeError();
std::unique_ptr<SelectedASTNode> StoredSelection =
std::make_unique<SelectedASTNode>(std::move(*ASTSelection));
std::optional<CodeRangeASTSelection> CodeRange =
CodeRangeASTSelection::create(Context.getSelectionRange(),
*StoredSelection);
if (!CodeRange)
return Context.createDiagnosticError(
Context.getSelectionRange().getBegin(),
diag::err_refactor_selection_invalid_ast);
Context.setASTSelection(std::move(StoredSelection));
return std::move(*CodeRange);
}
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