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//===--- PreprocessorOptionms.h ---------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_FRONTEND_PREPROCESSOROPTIONS_H_
#define LLVM_CLANG_FRONTEND_PREPROCESSOROPTIONS_H_
#include "llvm/ADT/StringRef.h"
#include <cassert>
#include <string>
#include <utility>
#include <vector>
namespace clang {
class Preprocessor;
class LangOptions;
/// PreprocessorOptions - This class is used for passing the various options
/// used in preprocessor initialization to InitializePreprocessor().
class PreprocessorOptions {
public:
std::vector<std::pair<std::string, bool/*isUndef*/> > Macros;
std::vector<std::string> Includes;
std::vector<std::string> MacroIncludes;
unsigned UsePredefines : 1; /// Initialize the preprocessor with the compiler
/// and target specific predefines.
/// The implicit PCH included at the start of the translation unit, or empty.
std::string ImplicitPCHInclude;
/// The implicit PTH input included at the start of the translation unit, or
/// empty.
std::string ImplicitPTHInclude;
/// If given, a PTH cache file to use for speeding up header parsing.
std::string TokenCache;
/// \brief The set of file remappings, which take existing files on
/// the system (the first part of each pair) and gives them the
/// contents of other files on the system (the second part of each
/// pair).
std::vector<std::pair<std::string, std::string> > RemappedFiles;
typedef std::vector<std::pair<std::string, std::string> >::const_iterator
remapped_file_iterator;
remapped_file_iterator remapped_file_begin() const {
return RemappedFiles.begin();
}
remapped_file_iterator remapped_file_end() const {
return RemappedFiles.end();
}
public:
PreprocessorOptions() : UsePredefines(true) {}
void addMacroDef(llvm::StringRef Name) {
Macros.push_back(std::make_pair(Name, false));
}
void addMacroUndef(llvm::StringRef Name) {
Macros.push_back(std::make_pair(Name, true));
}
void addRemappedFile(llvm::StringRef From, llvm::StringRef To) {
RemappedFiles.push_back(std::make_pair(From, To));
}
};
} // end namespace clang
#endif
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