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//===--- MacroBuilder.h - CPP Macro building utility ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// Defines the clang::MacroBuilder utility class.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_BASIC_MACROBUILDER_H
#define LLVM_CLANG_BASIC_MACROBUILDER_H
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/raw_ostream.h"
namespace clang {
class MacroBuilder {
raw_ostream &Out;
public:
MacroBuilder(raw_ostream &Output) : Out(Output) {}
/// Append a \#define line for macro of the form "\#define Name Value\n".
void defineMacro(const Twine &Name, const Twine &Value = "1") {
Out << "#define " << Name << ' ' << Value << '\n';
}
/// Append a \#undef line for Name. Name should be of the form XXX
/// and we emit "\#undef XXX".
void undefineMacro(const Twine &Name) {
Out << "#undef " << Name << '\n';
}
/// Directly append Str and a newline to the underlying buffer.
void append(const Twine &Str) {
Out << Str << '\n';
}
};
} // end namespace clang
#endif
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