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//===--- Extract.h - Clang refactoring library ----------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLING_REFACTOR_EXTRACT_EXTRACT_H
#define LLVM_CLANG_TOOLING_REFACTOR_EXTRACT_EXTRACT_H
#include "clang/Tooling/Refactoring/ASTSelection.h"
#include "clang/Tooling/Refactoring/RefactoringActionRules.h"
namespace clang {
namespace tooling {
/// An "Extract Function" refactoring moves code into a new function that's
/// then called from the place where the original code was.
class ExtractFunction final : public SourceChangeRefactoringRule {
public:
/// Initiates the extract function refactoring operation.
///
/// \param Code The selected set of statements.
/// \param DeclName The name name of the extract function. If None,
/// "extracted" is used.
static Expected<ExtractFunction> initiate(RefactoringRuleContext &Context,
CodeRangeASTSelection Code,
Optional<std::string> DeclName);
static const RefactoringDescriptor &describe();
private:
ExtractFunction(CodeRangeASTSelection Code, Optional<std::string> DeclName)
: Code(std::move(Code)),
DeclName(DeclName ? std::move(*DeclName) : "extracted") {}
Expected<AtomicChanges>
createSourceReplacements(RefactoringRuleContext &Context) override;
CodeRangeASTSelection Code;
// FIXME: Account for naming collisions:
// - error when name is specified by user.
// - rename to "extractedN" when name is implicit.
std::string DeclName;
};
} // end namespace tooling
} // end namespace clang
#endif // LLVM_CLANG_TOOLING_REFACTOR_EXTRACT_EXTRACT_H
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