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31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
//
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// Copyright (C) 2015 Vadim Zeitlin
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef SOCI_PRIVATE_SOCI_CPP_H_INCLUDED
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#define SOCI_PRIVATE_SOCI_CPP_H_INCLUDED
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// Some very common preprocessor helpers.
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// SOCI_CONCAT() pastes together two tokens after expanding them.
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#define SOCI_CONCAT_IMPL(x, y) x ## y
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#define SOCI_CONCAT(x, y) SOCI_CONCAT_IMPL(x, y)
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// SOCI_STRINGIZE() makes a string of its argument after expanding it.
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#define SOCI_STRINGIZE_IMPL(x) #x
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#define SOCI_STRINGIZE(x) SOCI_STRINGIZE_IMPL(x)
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// SOCI_MAKE_UNIQUE_NAME() creates a uniquely named identifier with the given
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// prefix.
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//
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// It uses __COUNTER__ macro to avoid problems with broken __LINE__ in MSVC
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// when using "Edit and Continue" (/ZI) option as there are no compilers known
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// to work with SOCI and not support it. If one such is ever discovered, we
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// should use __LINE__ for it instead.
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#define SOCI_MAKE_UNIQUE_NAME(name) SOCI_CONCAT(name, __COUNTER__)
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#endif // SOCI_PRIVATE_SOCI_CPP_H_INCLUDED
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