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