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//===--- InitPreprocessor.h - InitializePreprocessor function. --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the clang::InitializePreprocessor function.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_FRONTEND_INIT_PREPROCESSOR_H_
#define LLVM_CLANG_FRONTEND_INIT_PREPROCESSOR_H_
#include <string>
#include <vector>
namespace clang {
class Preprocessor;
class LangOptions;
/// PreprocessorInitOptions - This class is used for passing the various
/// options used in preprocessor initialization to InitializePreprocessor().
class PreprocessorInitOptions {
std::vector<std::pair<std::string, bool/*isUndef*/> > Macros;
std::vector<std::pair<std::string, bool/*isPTH*/> > Includes;
std::vector<std::string> MacroIncludes;
public:
void addMacroDef(const std::string &Name) {
Macros.push_back(std::make_pair(Name, false));
}
void addMacroUndef(const std::string &Name) {
Macros.push_back(std::make_pair(Name, true));
}
void addInclude(const std::string &Name, bool isPTH = false) {
Includes.push_back(std::make_pair(Name, isPTH));
}
void addMacroInclude(const std::string &Name) {
MacroIncludes.push_back(Name);
}
typedef std::vector<std::pair<std::string,
bool> >::const_iterator macro_iterator;
macro_iterator macro_begin() const { return Macros.begin(); }
macro_iterator macro_end() const { return Macros.end(); }
typedef std::vector<std::pair<std::string,
bool> >::const_iterator include_iterator;
include_iterator include_begin() const { return Includes.begin(); }
include_iterator include_end() const { return Includes.end(); }
typedef std::vector<std::string>::const_iterator imacro_iterator;
imacro_iterator imacro_begin() const { return MacroIncludes.begin(); }
imacro_iterator imacro_end() const { return MacroIncludes.end(); }
};
/// InitializePreprocessor - Initialize the preprocessor getting it and the
/// environment ready to process a single file. This returns true on error.
///
bool InitializePreprocessor(Preprocessor &PP,
const PreprocessorInitOptions& InitOptions,
bool undef_macros);
} // end namespace clang
#endif
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