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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===--- MacroBuilder.h - CPP Macro building utility ------------*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | /// |
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| 9 | /// \file |
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| 10 | /// Defines the clang::MacroBuilder utility class. |
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| 11 | /// |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |||
| 14 | #ifndef LLVM_CLANG_BASIC_MACROBUILDER_H |
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| 15 | #define LLVM_CLANG_BASIC_MACROBUILDER_H |
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| 16 | |||
| 17 | #include "clang/Basic/LLVM.h" |
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| 18 | #include "llvm/ADT/Twine.h" |
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| 19 | #include "llvm/Support/raw_ostream.h" |
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| 20 | |||
| 21 | namespace clang { |
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| 22 | |||
| 23 | class MacroBuilder { |
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| 24 | raw_ostream &Out; |
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| 25 | public: |
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| 26 | MacroBuilder(raw_ostream &Output) : Out(Output) {} |
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| 27 | |||
| 28 | /// Append a \#define line for macro of the form "\#define Name Value\n". |
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| 29 | void defineMacro(const Twine &Name, const Twine &Value = "1") { |
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| 30 | Out << "#define " << Name << ' ' << Value << '\n'; |
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| 31 | } |
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| 32 | |||
| 33 | /// Append a \#undef line for Name. Name should be of the form XXX |
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| 34 | /// and we emit "\#undef XXX". |
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| 35 | void undefineMacro(const Twine &Name) { |
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| 36 | Out << "#undef " << Name << '\n'; |
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| 37 | } |
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| 38 | |||
| 39 | /// Directly append Str and a newline to the underlying buffer. |
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| 40 | void append(const Twine &Str) { |
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| 41 | Out << Str << '\n'; |
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| 42 | } |
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| 43 | }; |
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| 44 | |||
| 45 | } // end namespace clang |
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| 46 | |||
| 47 | #endif |