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[lyx.git] / boost / boost / static_assert.hpp

diff --git a/boost/boost/static_assert.hpp b/boost/boost/static_assert.hpp
index 4ba29d71eee68fdabbd65134c2838a8963abb20c..9fe9bc0c0f445cb2c6c3629b13332cd5b3641767 100644 (file)
--- a/boost/boost/static_assert.hpp
+++ b/boost/boost/static_assert.hpp
@@ -1,10 +1,9 @@
 //  (C) Copyright John Maddock 2000.
-//  Permission to copy, use, modify, sell and
-//  distribute this software is granted provided this copyright notice appears
-//  in all copies. This software is provided "as is" without express or implied
-//  warranty, and with no claim as to its suitability for any purpose.
+//  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 for most recent version including documentation.
+//  See http://www.boost.org/libs/static_assert for documentation.
 
 /*
  Revision history:
@@ -16,6 +15,13 @@
 #define BOOST_STATIC_ASSERT_HPP
 
 #include <boost/config.hpp>
+#include <boost/detail/workaround.hpp>
+
+#ifndef BOOST_NO_STATIC_ASSERT
+#  define BOOST_STATIC_ASSERT_MSG( B, Msg ) static_assert(B, Msg)
+#else
+#  define BOOST_STATIC_ASSERT_MSG( B, Msg ) BOOST_STATIC_ASSERT( B )
+#endif
 
 #ifdef __BORLANDC__
 //
@@ -23,12 +29,31 @@
 #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
+
+#ifndef BOOST_NO_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>{};
+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{};
@@ -57,30 +82,57 @@ template<int x> struct static_assert_test{};
 // style casts: too many compilers currently have problems with static_cast
 // when used inside integral constant expressions.
 //
-#if !defined(BOOST_BUGGY_INTEGRAL_CONSTANT_EXPRESSIONS) && !defined(__MWERKS__)
-#ifndef BOOST_MSVC
-#define BOOST_STATIC_ASSERT( B ) \
-   typedef ::boost::static_assert_test<\
-      sizeof(::boost::STATIC_ASSERTION_FAILURE< (bool)( B ) >)>\
-         BOOST_JOIN(boost_static_assert_typedef_, __LINE__)
-#else
+#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 // defined(BOOST_NO_STATIC_ASSERT)
 
 #endif // BOOST_STATIC_ASSERT_HPP
 
 
-
-