]> git.lyx.org Git - lyx.git/blobdiff - boost/boost/type_traits/is_reference.hpp
update boost to version 1.36
[lyx.git] / boost / boost / type_traits / is_reference.hpp
index 354d8beff267a7e5d199b76f8f2a9aace6322159..0eb0d4f7140897e5e189fd6e891f3793b67352a1 100644 (file)
@@ -1,39 +1,44 @@
 
-//  (C) Copyright David Abrahams Steve Cleary, Beman Dawes, Howard
-//  Hinnant & John Maddock 2000-2002.  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.
+//  (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, 
+//      Howard Hinnant and John Maddock 2000. 
+//  (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001
+
+//  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/type_traits for most recent version including documentation.
+
+//    Fixed is_pointer, is_reference, is_const, is_volatile, is_same, 
+//    is_member_pointer based on the Simulated Partial Specialization work 
+//    of Mat Marcus and Jesse Jones. See  http://opensource.adobe.com or 
+//    http://groups.yahoo.com/group/boost/message/5441 
+//    Some workarounds in here use ideas suggested from "Generic<Programming>: 
+//    Mappings between Types and Values" 
+//    by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html).
+
 
 #ifndef BOOST_TT_IS_REFERENCE_HPP_INCLUDED
 #define BOOST_TT_IS_REFERENCE_HPP_INCLUDED
 
-#include "boost/type_traits/config.hpp"
+#include <boost/type_traits/config.hpp>
 
 #ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
-#   include "boost/type_traits/detail/yes_no_type.hpp"
-#   include "boost/type_traits/detail/wrap.hpp"
-#endif
-
-#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && defined(BOOST_MSVC)
-#   include "boost/type_traits/detail/is_function_type_tester.hpp"
-#   include "boost/type_traits/detail/false_result.hpp"
+#   include <boost/type_traits/detail/yes_no_type.hpp>
+#   include <boost/type_traits/detail/wrap.hpp>
 #endif
 
 // should be the last #include
-#include "boost/type_traits/detail/bool_trait_def.hpp"
+#include <boost/type_traits/detail/bool_trait_def.hpp>
 
-namespace boost { 
+namespace boost {
 
 #ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
 
 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,false)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T&,true)
 
-#if defined(__BORLANDC__)
+#if defined(__BORLANDC__) && !defined(__COMO__) && (__BORLANDC__ < 0x600)
 // these are illegal specialisations; cv-qualifies applied to
 // references have no effect according to [8.3.2p1],
 // C++ Builder requires them though as it treats cv-qualified
@@ -43,11 +48,25 @@ BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T& volatile,true
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T& const volatile,true)
 #endif
 
+#if defined(__GNUC__) && (__GNUC__ < 3)
+// these allow us to work around illegally cv-qualified reference
+// types.
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T const ,::boost::is_reference<T>::value)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T volatile ,::boost::is_reference<T>::value)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T const volatile ,::boost::is_reference<T>::value)
+// However, the above specializations confuse gcc 2.96 unless we also
+// supply these specializations for array types
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,T[N],false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,const T[N],false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,volatile T[N],false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,const volatile T[N],false)
+#endif
+
 #else
 
 #ifdef BOOST_MSVC
 #   pragma warning(push)
-#   pragma warning(disable: 4181)
+#   pragma warning(disable: 4181 4097)
 #endif
 
 namespace detail {
@@ -72,15 +91,16 @@ struct is_reference_impl
         );
 };
 
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void,false)
+#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void const,false)
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void volatile,false)
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void const volatile,false)
+#endif
+
 } // namespace detail
 
 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,::boost::detail::is_reference_impl<T>::value)
-BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_reference,void,false)
-#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
-BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_reference,void const,false)
-BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_reference,void volatile,false)
-BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_reference,void const volatile,false)
-#endif
 
 #ifdef BOOST_MSVC
 #   pragma warning(pop)
@@ -90,6 +110,7 @@ BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_reference,void const volatile,false)
 
 } // namespace boost
 
-#include "boost/type_traits/detail/bool_trait_undef.hpp"
+#include <boost/type_traits/detail/bool_trait_undef.hpp>
 
 #endif // BOOST_TT_IS_REFERENCE_HPP_INCLUDED
+