boost/type_traits/broken_compiler_spec.hpp

   1
   2 //  Copyright 2001-2003 Aleksey Gurtovoy.
   3 //  Use, modification and distribution are subject to the Boost Software License,
   4 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 //  http://www.boost.org/LICENSE_1_0.txt).
   6 //
   7 //  See http://www.boost.org/libs/type_traits for most recent version including documentation.
   8
   9 #ifndef BOOST_TT_BROKEN_COMPILER_SPEC_HPP_INCLUDED
  10 #define BOOST_TT_BROKEN_COMPILER_SPEC_HPP_INCLUDED
  11
  12 #include <boost/mpl/aux_/lambda_support.hpp>
  13 #include <boost/config.hpp>
  14
  15 // these are needed regardless of BOOST_TT_NO_BROKEN_COMPILER_SPEC
  16 #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
  17 namespace boost { namespace detail {
  18 template< typename T > struct remove_const_impl     { typedef T type; };
  19 template< typename T > struct remove_volatile_impl  { typedef T type; };
  20 template< typename T > struct remove_pointer_impl   { typedef T type; };
  21 template< typename T > struct remove_reference_impl { typedef T type; };
  22 typedef int invoke_BOOST_TT_BROKEN_COMPILER_SPEC_outside_all_namespaces;
  23 }}
  24 #endif
  25
  26 // agurt, 27/jun/03: disable the workaround if user defined
  27 // BOOST_TT_NO_BROKEN_COMPILER_SPEC
  28 #if    !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
  29     || defined(BOOST_TT_NO_BROKEN_COMPILER_SPEC)
  30
  31 #   define BOOST_TT_BROKEN_COMPILER_SPEC(T) /**/
  32
  33 #else
  34
  35 // same as BOOST_TT_AUX_TYPE_TRAIT_IMPL_SPEC1 macro, except that it
  36 // never gets #undef-ined
  37 #   define BOOST_TT_AUX_BROKEN_TYPE_TRAIT_SPEC1(trait,spec,result) \
  38 template<> struct trait##_impl<spec> \
  39 { \
  40     typedef result type; \
  41 }; \
  42 /**/
  43
  44 #   define BOOST_TT_AUX_REMOVE_CONST_VOLATILE_RANK1_SPEC(T)                         \
  45     BOOST_TT_AUX_BROKEN_TYPE_TRAIT_SPEC1(remove_const,T const,T)                    \
  46     BOOST_TT_AUX_BROKEN_TYPE_TRAIT_SPEC1(remove_const,T const volatile,T volatile)  \
  47     BOOST_TT_AUX_BROKEN_TYPE_TRAIT_SPEC1(remove_volatile,T volatile,T)              \
  48     BOOST_TT_AUX_BROKEN_TYPE_TRAIT_SPEC1(remove_volatile,T const volatile,T const)  \
  49     /**/
  50
  51 #   define BOOST_TT_AUX_REMOVE_PTR_REF_RANK_1_SPEC(T)                               \
  52     BOOST_TT_AUX_BROKEN_TYPE_TRAIT_SPEC1(remove_pointer,T*,T)                       \
  53     BOOST_TT_AUX_BROKEN_TYPE_TRAIT_SPEC1(remove_pointer,T*const,T)                  \
  54     BOOST_TT_AUX_BROKEN_TYPE_TRAIT_SPEC1(remove_pointer,T*volatile,T)               \
  55     BOOST_TT_AUX_BROKEN_TYPE_TRAIT_SPEC1(remove_pointer,T*const volatile,T)         \
  56     BOOST_TT_AUX_BROKEN_TYPE_TRAIT_SPEC1(remove_reference,T&,T)                     \
  57     /**/
  58
  59 #   define BOOST_TT_AUX_REMOVE_PTR_REF_RANK_2_SPEC(T)                               \
  60     BOOST_TT_AUX_REMOVE_PTR_REF_RANK_1_SPEC(T)                                      \
  61     BOOST_TT_AUX_REMOVE_PTR_REF_RANK_1_SPEC(T const)                                \
  62     BOOST_TT_AUX_REMOVE_PTR_REF_RANK_1_SPEC(T volatile)                             \
  63     BOOST_TT_AUX_REMOVE_PTR_REF_RANK_1_SPEC(T const volatile)                       \
  64     /**/
  65
  66 #   define BOOST_TT_AUX_REMOVE_ALL_RANK_1_SPEC(T)                                   \
  67     BOOST_TT_AUX_REMOVE_PTR_REF_RANK_2_SPEC(T)                                      \
  68     BOOST_TT_AUX_REMOVE_CONST_VOLATILE_RANK1_SPEC(T)                                \
  69     /**/
  70
  71 #   define BOOST_TT_AUX_REMOVE_ALL_RANK_2_SPEC(T)                                   \
  72     BOOST_TT_AUX_REMOVE_ALL_RANK_1_SPEC(T*)                                         \
  73     BOOST_TT_AUX_REMOVE_ALL_RANK_1_SPEC(T const*)                                   \
  74     BOOST_TT_AUX_REMOVE_ALL_RANK_1_SPEC(T volatile*)                                \
  75     BOOST_TT_AUX_REMOVE_ALL_RANK_1_SPEC(T const volatile*)                          \
  76     /**/
  77
  78 #   define BOOST_TT_BROKEN_COMPILER_SPEC(T)                                         \
  79     namespace boost { namespace detail {                                            \
  80     typedef invoke_BOOST_TT_BROKEN_COMPILER_SPEC_outside_all_namespaces             \
  81       please_invoke_BOOST_TT_BROKEN_COMPILER_SPEC_outside_all_namespaces;           \
  82     BOOST_TT_AUX_REMOVE_ALL_RANK_1_SPEC(T)                                          \
  83     BOOST_TT_AUX_REMOVE_ALL_RANK_2_SPEC(T)                                          \
  84     BOOST_TT_AUX_REMOVE_ALL_RANK_2_SPEC(T*)                                         \
  85     BOOST_TT_AUX_REMOVE_ALL_RANK_2_SPEC(T const*)                                   \
  86     BOOST_TT_AUX_REMOVE_ALL_RANK_2_SPEC(T volatile*)                                \
  87     BOOST_TT_AUX_REMOVE_ALL_RANK_2_SPEC(T const volatile*)                          \
  88     }}                                                                              \
  89     /**/
  90
  91 #   include <boost/type_traits/detail/type_trait_undef.hpp>
  92
  93 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
  94
  95 BOOST_TT_BROKEN_COMPILER_SPEC(bool)
  96 BOOST_TT_BROKEN_COMPILER_SPEC(char)
  97 #ifndef BOOST_NO_INTRINSIC_WCHAR_T
  98 BOOST_TT_BROKEN_COMPILER_SPEC(wchar_t)
  99 #endif
 100 BOOST_TT_BROKEN_COMPILER_SPEC(signed char)
 101 BOOST_TT_BROKEN_COMPILER_SPEC(unsigned char)
 102 BOOST_TT_BROKEN_COMPILER_SPEC(signed short)
 103 BOOST_TT_BROKEN_COMPILER_SPEC(unsigned short)
 104 BOOST_TT_BROKEN_COMPILER_SPEC(signed int)
 105 BOOST_TT_BROKEN_COMPILER_SPEC(unsigned int)
 106 BOOST_TT_BROKEN_COMPILER_SPEC(signed long)
 107 BOOST_TT_BROKEN_COMPILER_SPEC(unsigned long)
 108 BOOST_TT_BROKEN_COMPILER_SPEC(float)
 109 BOOST_TT_BROKEN_COMPILER_SPEC(double)
 110 //BOOST_TT_BROKEN_COMPILER_SPEC(long double)
 111
 112 // for backward compatibility
 113 #define BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION(T) \
 114     BOOST_TT_BROKEN_COMPILER_SPEC(T) \
 115 /**/
 116
 117 #endif // BOOST_TT_BROKEN_COMPILER_SPEC_HPP_INCLUDED