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Diffstat (limited to '3rdParty/Boost/boost/static_assert.hpp')
| -rw-r--r-- | 3rdParty/Boost/boost/static_assert.hpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/static_assert.hpp b/3rdParty/Boost/boost/static_assert.hpp new file mode 100644 index 0000000..5bded5e --- /dev/null +++ b/3rdParty/Boost/boost/static_assert.hpp @@ -0,0 +1,132 @@ +// (C) Copyright John Maddock 2000. +// Use, modification and distribution are subject to the +// Boost Software License, Version 1.0. (See accompanying file +// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +// See http://www.boost.org/libs/static_assert for documentation. + +/* + Revision history: + 02 August 2000 + Initial version. +*/ + +#ifndef BOOST_STATIC_ASSERT_HPP +#define BOOST_STATIC_ASSERT_HPP + +#include <boost/config.hpp> +#include <boost/detail/workaround.hpp> + +#ifdef __BORLANDC__ +// +// workaround for buggy integral-constant expression support: +#define BOOST_BUGGY_INTEGRAL_CONSTANT_EXPRESSIONS +#endif + +#if defined(__GNUC__) && (__GNUC__ == 3) && ((__GNUC_MINOR__ == 3) || (__GNUC_MINOR__ == 4)) +// gcc 3.3 and 3.4 don't produce good error messages with the default version: +# define BOOST_SA_GCC_WORKAROUND +#endif + +// +// If the compiler issues warnings about old C style casts, +// then enable this: +// +#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 4))) +# define BOOST_STATIC_ASSERT_BOOL_CAST( x ) ((x) == 0 ? false : true) +#else +# define BOOST_STATIC_ASSERT_BOOL_CAST(x) (bool)(x) +#endif + +#ifdef BOOST_HAS_STATIC_ASSERT +# define BOOST_STATIC_ASSERT( B ) static_assert(B, #B) +#else + +namespace boost{ + +// HP aCC cannot deal with missing names for template value parameters +template <bool x> struct STATIC_ASSERTION_FAILURE; + +template <> struct STATIC_ASSERTION_FAILURE<true> { enum { value = 1 }; }; + +// HP aCC cannot deal with missing names for template value parameters +template<int x> struct static_assert_test{}; + +} + +// +// Implicit instantiation requires that all member declarations be +// instantiated, but that the definitions are *not* instantiated. +// +// It's not particularly clear how this applies to enum's or typedefs; +// both are described as declarations [7.1.3] and [7.2] in the standard, +// however some compilers use "delayed evaluation" of one or more of +// these when implicitly instantiating templates. We use typedef declarations +// by default, but try defining BOOST_USE_ENUM_STATIC_ASSERT if the enum +// version gets better results from your compiler... +// +// Implementation: +// Both of these versions rely on sizeof(incomplete_type) generating an error +// message containing the name of the incomplete type. We use +// "STATIC_ASSERTION_FAILURE" as the type name here to generate +// an eye catching error message. The result of the sizeof expression is either +// used as an enum initialiser, or as a template argument depending which version +// is in use... +// Note that the argument to the assert is explicitly cast to bool using old- +// style casts: too many compilers currently have problems with static_cast +// when used inside integral constant expressions. +// +#if !defined(BOOST_BUGGY_INTEGRAL_CONSTANT_EXPRESSIONS) + +#if defined(BOOST_MSVC) && (BOOST_MSVC < 1300) +// __LINE__ macro broken when -ZI is used see Q199057 +// fortunately MSVC ignores duplicate typedef's. +#define BOOST_STATIC_ASSERT( B ) \ + typedef ::boost::static_assert_test<\ + sizeof(::boost::STATIC_ASSERTION_FAILURE< (bool)( B ) >)\ + > boost_static_assert_typedef_ +#elif defined(BOOST_MSVC) +#define BOOST_STATIC_ASSERT( B ) \ + typedef ::boost::static_assert_test<\ + sizeof(::boost::STATIC_ASSERTION_FAILURE< BOOST_STATIC_ASSERT_BOOL_CAST ( B ) >)>\ + BOOST_JOIN(boost_static_assert_typedef_, __COUNTER__) +#elif defined(BOOST_INTEL_CXX_VERSION) || defined(BOOST_SA_GCC_WORKAROUND) +// agurt 15/sep/02: a special care is needed to force Intel C++ issue an error +// instead of warning in case of failure +# define BOOST_STATIC_ASSERT( B ) \ + typedef char BOOST_JOIN(boost_static_assert_typedef_, __LINE__) \ + [ ::boost::STATIC_ASSERTION_FAILURE< BOOST_STATIC_ASSERT_BOOL_CAST( B ) >::value ] +#elif defined(__sgi) +// special version for SGI MIPSpro compiler +#define BOOST_STATIC_ASSERT( B ) \ + BOOST_STATIC_CONSTANT(bool, \ + BOOST_JOIN(boost_static_assert_test_, __LINE__) = ( B )); \ + typedef ::boost::static_assert_test<\ + sizeof(::boost::STATIC_ASSERTION_FAILURE< \ + BOOST_JOIN(boost_static_assert_test_, __LINE__) >)>\ + BOOST_JOIN(boost_static_assert_typedef_, __LINE__) +#elif BOOST_WORKAROUND(__MWERKS__, <= 0x3003) +// special version for CodeWarrior <= 8.x +#define BOOST_STATIC_ASSERT( B ) \ + BOOST_STATIC_CONSTANT(int, \ + BOOST_JOIN(boost_static_assert_test_, __LINE__) = \ + sizeof(::boost::STATIC_ASSERTION_FAILURE< BOOST_STATIC_ASSERT_BOOL_CAST( B ) >) ) +#else +// generic version +#define BOOST_STATIC_ASSERT( B ) \ + typedef ::boost::static_assert_test<\ + sizeof(::boost::STATIC_ASSERTION_FAILURE< BOOST_STATIC_ASSERT_BOOL_CAST( B ) >)>\ + BOOST_JOIN(boost_static_assert_typedef_, __LINE__) +#endif + +#else +// alternative enum based implementation: +#define BOOST_STATIC_ASSERT( B ) \ + enum { BOOST_JOIN(boost_static_assert_enum_, __LINE__) \ + = sizeof(::boost::STATIC_ASSERTION_FAILURE< (bool)( B ) >) } +#endif +#endif // ndef BOOST_HAS_STATIC_ASSERT + +#endif // BOOST_STATIC_ASSERT_HPP + + |