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//===--- Refactoring.h - Framework for clang refactoring tools --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Interfaces supporting refactorings that span multiple translation units.
// While single translation unit refactorings are supported via the Rewriter,
// when refactoring multiple translation units changes must be stored in a
// SourceManager independent form, duplicate changes need to be removed, and
// all changes must be applied at once at the end of the refactoring so that
// the code is always parseable.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLING_REFACTORING_H
#define LLVM_CLANG_TOOLING_REFACTORING_H
#include "clang/Tooling/Core/Replacement.h"
#include "clang/Tooling/Tooling.h"
#include <string>
namespace clang {
class Rewriter;
namespace tooling {
/// \brief A tool to run refactorings.
///
/// This is a refactoring specific version of \see ClangTool. FrontendActions
/// passed to run() and runAndSave() should add replacements to
/// getReplacements().
class RefactoringTool : public ClangTool {
public:
/// \see ClangTool::ClangTool.
RefactoringTool(const CompilationDatabase &Compilations,
ArrayRef<std::string> SourcePaths);
/// \brief Returns the set of replacements to which replacements should
/// be added during the run of the tool.
Replacements &getReplacements();
/// \brief Call run(), apply all generated replacements, and immediately save
/// the results to disk.
///
/// \returns 0 upon success. Non-zero upon failure.
int runAndSave(FrontendActionFactory *ActionFactory);
/// \brief Apply all stored replacements to the given Rewriter.
///
/// Replacement applications happen independently of the success of other
/// applications.
///
/// \returns true if all replacements apply. false otherwise.
bool applyAllReplacements(Rewriter &Rewrite);
private:
/// \brief Write all refactored files to disk.
int saveRewrittenFiles(Rewriter &Rewrite);
private:
Replacements Replace;
};
} // end namespace tooling
} // end namespace clang
#endif // LLVM_CLANG_TOOLING_REFACTORING_H
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