1 //===--- MacroBuilder.h - CPP Macro building utility ------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief Defines the clang::MacroBuilder utility class.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_CLANG_BASIC_MACROBUILDER_H
16 #define LLVM_CLANG_BASIC_MACROBUILDER_H
18 #include "clang/Basic/LLVM.h"
19 #include "llvm/ADT/Twine.h"
20 #include "llvm/Support/raw_ostream.h"
27 MacroBuilder(raw_ostream &Output) : Out(Output) {}
29 /// Append a \#define line for macro of the form "\#define Name Value\n".
30 void defineMacro(const Twine &Name, const Twine &Value = "1") {
31 Out << "#define " << Name << ' ' << Value << '\n';
34 /// Append a \#undef line for Name. Name should be of the form XXX
35 /// and we emit "\#undef XXX".
36 void undefineMacro(const Twine &Name) {
37 Out << "#undef " << Name << '\n';
40 /// Directly append Str and a newline to the underlying buffer.
41 void append(const Twine &Str) {
46 } // end namespace clang