| //===--- MacroBuilder.h - CPP Macro building utility ------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \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 |