include/c++/stl/stl/_ptrs_specialize.h

   1 #ifndef _STLP_PTRS_SPECIALIZE_H
   2 #define _STLP_PTRS_SPECIALIZE_H
   3
   4 #ifndef _STLP_TYPE_TRAITS_H
   5 #  include <stl/type_traits.h>
   6 #endif
   7
   8 // the following is a workaround for arrow operator problems
   9 #if defined  ( _STLP_NO_ARROW_OPERATOR )
  10 // User wants to disable proxy -> operators
  11 #  define _STLP_DEFINE_ARROW_OPERATOR
  12 #  define _STLP_ARROW_SPECIALIZE_WITH_PTRS(_Tp)
  13 #else
  14 // Compiler can handle generic -> operator.
  15 #  define _STLP_ARROW_SPECIALIZE_WITH_PTRS(_Tp)
  16 #  if defined (__BORLANDC__)
  17 #    define _STLP_DEFINE_ARROW_OPERATOR  pointer operator->() const { return &(*(*this)); }
  18 #  elif defined(__WATCOMC__)
  19 #    define _STLP_DEFINE_ARROW_OPERATOR pointer operator->() const { reference x = operator*(); return &x; }
  20 #  else
  21 #    define _STLP_DEFINE_ARROW_OPERATOR  pointer operator->() const { return &(operator*()); }
  22 #  endif
  23 #endif /* _STLP_NO_ARROW_OPERATOR */
  24
  25 // Important pointers specializations
  26
  27 #ifdef _STLP_SIMULATE_PARTIAL_SPEC_FOR_TYPE_TRAITS
  28 #  define _STLP_TYPE_TRAITS_POD_SPECIALIZE_V(_Type)
  29 #  define _STLP_TYPE_TRAITS_POD_SPECIALIZE(_Type)
  30 #else
  31 #  define _STLP_TYPE_TRAITS_POD_SPECIALIZE(_Type) _STLP_TEMPLATE_NULL struct __type_traits<_Type> : __type_traits_aux<1> {};
  32 #  define _STLP_TYPE_TRAITS_POD_SPECIALIZE_V(_Type) \
  33 _STLP_TYPE_TRAITS_POD_SPECIALIZE(_Type*) \
  34 _STLP_TYPE_TRAITS_POD_SPECIALIZE(const _Type*) \
  35 _STLP_TYPE_TRAITS_POD_SPECIALIZE(_Type**) \
  36 _STLP_TYPE_TRAITS_POD_SPECIALIZE(_Type* const *) \
  37 _STLP_TYPE_TRAITS_POD_SPECIALIZE(const _Type**) \
  38 _STLP_TYPE_TRAITS_POD_SPECIALIZE(_Type***) \
  39 _STLP_TYPE_TRAITS_POD_SPECIALIZE(const _Type***)
  40 #endif
  41
  42 # define _STLP_POINTERS_SPECIALIZE(_Type) _STLP_TYPE_TRAITS_POD_SPECIALIZE_V(_Type) _STLP_ARROW_SPECIALIZE_WITH_PTRS(_Type)
  43
  44 _STLP_BEGIN_NAMESPACE
  45
  46 #  if !defined ( _STLP_NO_BOOL )
  47 _STLP_POINTERS_SPECIALIZE( bool )
  48 #  endif
  49 _STLP_TYPE_TRAITS_POD_SPECIALIZE_V(void)
  50 # ifndef _STLP_NO_SIGNED_BUILTINS
  51   _STLP_POINTERS_SPECIALIZE( signed char )
  52 # endif
  53   _STLP_POINTERS_SPECIALIZE( char )
  54   _STLP_POINTERS_SPECIALIZE( unsigned char )
  55   _STLP_POINTERS_SPECIALIZE( short )
  56   _STLP_POINTERS_SPECIALIZE( unsigned short )
  57   _STLP_POINTERS_SPECIALIZE( int )
  58   _STLP_POINTERS_SPECIALIZE( unsigned int )
  59   _STLP_POINTERS_SPECIALIZE( long )
  60   _STLP_POINTERS_SPECIALIZE( unsigned long )
  61   _STLP_POINTERS_SPECIALIZE( float )
  62   _STLP_POINTERS_SPECIALIZE( double )
  63 #  if !defined ( _STLP_NO_LONG_DOUBLE )
  64   _STLP_POINTERS_SPECIALIZE( long double )
  65 #  endif
  66 #  if defined ( _STLP_LONG_LONG)
  67   _STLP_POINTERS_SPECIALIZE( _STLP_LONG_LONG )
  68   _STLP_POINTERS_SPECIALIZE( unsigned _STLP_LONG_LONG )
  69 #  endif
  70 #if defined ( _STLP_HAS_WCHAR_T ) && ! defined (_STLP_WCHAR_T_IS_USHORT)
  71   _STLP_POINTERS_SPECIALIZE( wchar_t )
  72 #  endif
  73
  74 _STLP_END_NAMESPACE
  75
  76 # undef _STLP_ARROW_SPECIALIZE
  77 # undef _STLP_ARROW_SPECIALIZE_WITH_PTRS
  78 # undef _STLP_TYPE_TRAITS_POD_SPECIALIZE_V
  79
  80 #endif