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//===-- cpp11-migrate/Transforms.h - class Transforms Def'n -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file provides the definition for class Transforms which is
/// responsible for defining the command-line arguments exposing
/// transformations to the user and applying requested transforms.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_CLANG_TOOLS_EXTRA_CPP11_MIGRATE_TRANSFORMS_H
#define LLVM_TOOLS_CLANG_TOOLS_EXTRA_CPP11_MIGRATE_TRANSFORMS_H
#include "llvm/Support/CommandLine.h"
#include <vector>
// Forward declarations
namespace llvm {
namespace cl {
class Option;
} // namespace cl
} // namespace llvm
class Transform;
typedef Transform *(*TransformCreator)();
/// \brief Class encapsulating the creation of command line bool options
/// for each transform and instantiating transforms chosen by the user.
class Transforms {
public:
typedef std::vector<Transform*> TransformVec;
typedef TransformVec::const_iterator const_iterator;
public:
~Transforms();
/// \brief Create command line options using LLVM's command line library.
///
/// Be sure to call *before* parsing options.
void createTransformOpts();
/// \brief Instantiate all transforms that were selected on the command line.
///
/// Call *after* parsing options.
void createSelectedTransforms();
/// \brief Return an iterator to the start of a container of instantiated
/// transforms.
const_iterator begin() const { return ChosenTransforms.begin(); }
/// \brief Return an iterator to the end of a container of instantiated
/// transforms.
const_iterator end() const { return ChosenTransforms.end(); }
private:
typedef std::vector<std::pair<llvm::cl::opt<bool>*, TransformCreator> >
OptionVec;
private:
TransformVec ChosenTransforms;
OptionVec Options;
};
#endif // LLVM_TOOLS_CLANG_TOOLS_EXTRA_CPP11_MIGRATE_TRANSFORMS_H
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