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32 lines
1013 B
C
32 lines
1013 B
C
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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// This file defines preprocessor macros for stringizing preprocessor
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// symbols (or their output) and manipulating preprocessor symbols
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// that define strings.
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#ifndef BASE_STRINGS_STRINGIZE_MACROS_H_
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#define BASE_STRINGS_STRINGIZE_MACROS_H_
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#include "util/build_config.h"
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// This is not very useful as it does not expand defined symbols if
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// called directly. Use its counterpart without the _NO_EXPANSION
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// suffix, below.
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#define STRINGIZE_NO_EXPANSION(x) #x
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// Use this to quote the provided parameter, first expanding it if it
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// is a preprocessor symbol.
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//
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// For example, if:
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// #define A FOO
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// #define B(x) myobj->FunctionCall(x)
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//
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// Then:
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// STRINGIZE(A) produces "FOO"
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// STRINGIZE(B(y)) produces "myobj->FunctionCall(y)"
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#define STRINGIZE(x) STRINGIZE_NO_EXPANSION(x)
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#endif // BASE_STRINGS_STRINGIZE_MACROS_H_
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