Open Lighting Architecture
0.10.9
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include
ola
base
Macro.h
Go to the documentation of this file.
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/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Macro.h
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*/
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#ifndef INCLUDE_OLA_BASE_MACRO_H_
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#define INCLUDE_OLA_BASE_MACRO_H_
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#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
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TypeName(const TypeName&); \
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void operator=(const TypeName&)
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#ifdef __GNUC__
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#define OLA_UNUSED __attribute__ ((unused))
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#else
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#define OLA_UNUSED
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#endif
// __GNUC__
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#ifdef __GNUC__
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#if __GNUC__ >= 7
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#define OLA_FALLTHROUGH __attribute__ ((fallthrough));
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#else
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#define OLA_FALLTHROUGH
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#endif
// __GNUC__ >= 7
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#else
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#define OLA_FALLTHROUGH
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#endif
// __GNUC__
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/*
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* This code was adapted from:
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* http://blogs.msdn.com/b/abhinaba/archive/
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* 2008/10/27/c-c-compile-time-asserts.aspx
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*/
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#ifdef __cplusplus
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#define JOIN(X, Y) JOIN2(X, Y)
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#define JOIN2(X, Y) X##Y
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namespace
internal {
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template
<
bool
>
struct
STATIC_ASSERT_FAILURE;
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template
<>
struct
STATIC_ASSERT_FAILURE<true> {
enum
{ value = 1 }; };
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template
<
int
x>
struct
static_assert_test{};
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}
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#define STATIC_ASSERT(x) \
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OLA_UNUSED typedef ::internal::static_assert_test<\
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sizeof(::internal::STATIC_ASSERT_FAILURE< static_cast<bool>( x ) >)>\
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JOIN(_static_assert_typedef, __LINE__)
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#else
// __cplusplus
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#define STATIC_ASSERT(x) extern int __dummy[static_cast<int>x]
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#endif
// __cplusplus
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/*
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* End of adapted code.
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*/
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#ifdef _WIN32
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#ifdef _MSC_VER
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#define PACK(__Declaration__) \
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__pragma(pack(push, 1)) \
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__Declaration__; \
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__pragma(pack(pop))
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#else
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#define PACK(__Declaration__) \
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_Pragma("pack(push, 1)") \
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__Declaration__; \
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_Pragma("pack(pop)")
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#endif
// _MSC_VER
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#else
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#define PACK(__Declaration__) __Declaration__ __attribute__((__packed__))
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#endif
// _WIN32
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#endif
// INCLUDE_OLA_BASE_MACRO_H_
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