include/c++/stlport/stl/_stdexcept_base.h

   1 /*
   2  * Copyright (c) 1996,1997
   3  * Silicon Graphics Computer Systems, Inc.
   4  *
   5  * Copyright (c) 1999
   6  * Boris Fomitchev
   7  *
   8  * This material is provided "as is", with absolutely no warranty expressed
   9  * or implied. Any use is at your own risk.
  10  *
  11  * Permission to use or copy this software for any purpose is hereby granted
  12  * without fee, provided the above notices are retained on all copies.
  13  * Permission to modify the code and to distribute modified code is granted,
  14  * provided the above notices are retained, and a notice that the code was
  15  * modified is included with the above copyright notice.
  16  *
  17  */
  18
  19 #ifndef _STLP_INTERNAL_STDEXCEPT_BASE
  20 #define _STLP_INTERNAL_STDEXCEPT_BASE
  21
  22 #if !defined (_STLP_USE_NATIVE_STDEXCEPT) || defined (_STLP_USE_OWN_NAMESPACE)
  23
  24 #  ifndef _STLP_INTERNAL_EXCEPTION
  25 #    include <stl/_exception.h>
  26 #  endif
  27
  28 #  if defined(_STLP_USE_EXCEPTIONS) || \
  29     !(defined(_MIPS_SIM) && defined(_ABIO32) && (_MIPS_SIM == _ABIO32))
  30
  31 #    ifndef _STLP_INTERNAL_CSTRING
  32 #      include <stl/_cstring.h>
  33 #    endif
  34
  35 #    ifndef _STLP_STRING_FWD_H
  36 #      include <stl/_string_fwd.h>
  37 #    endif
  38
  39 #    ifndef _STLP_USE_NO_IOSTREAMS
  40 #      define _STLP_OWN_STDEXCEPT 1
  41 #    endif
  42
  43 _STLP_BEGIN_NAMESPACE
  44
  45 /* We disable the 4275 warning for
  46  *  - WinCE where there are only static version of the native C++ runtime.
  47  *  - The MSVC compilers when the STLport user wants to make an STLport dll linked to
  48  *    the static C++ native runtime. In this case the std::exception base class is no more
  49  *    exported from native dll but is used as a base class for the exported __Named_exception
  50  *    class.
  51  */
  52 #    if defined (_STLP_WCE_NET) || \
  53         defined (_STLP_USE_DYNAMIC_LIB) && defined (_STLP_USING_CROSS_NATIVE_RUNTIME_LIB)
  54 #      define _STLP_DO_WARNING_POP
  55 #      pragma warning (push)
  56 #      pragma warning (disable: 4275) // Non dll interface class 'exception' used as base
  57                                       // for dll-interface class '__Named_exception'
  58 #    endif
  59
  60 #    if !defined (_STLP_NO_EXCEPTION_HEADER)
  61 #      if !defined (_STLP_EXCEPTION_BASE) && !defined (_STLP_BROKEN_EXCEPTION_CLASS) && \
  62            defined (_STLP_USE_NAMESPACES) &&  defined (_STLP_USE_OWN_NAMESPACE)
  63 using _STLP_VENDOR_EXCEPT_STD::exception;
  64 #      endif
  65 #    endif
  66 #    define _STLP_EXCEPTION_BASE exception
  67
  68 class _STLP_CLASS_DECLSPEC __Named_exception : public _STLP_EXCEPTION_BASE {
  69 public:
  70   __Named_exception(const string& __str);
  71   __Named_exception(const __Named_exception&);
  72   __Named_exception& operator = (const __Named_exception&);
  73
  74   const char* what() const _STLP_NOTHROW_INHERENTLY;
  75   ~__Named_exception() _STLP_NOTHROW_INHERENTLY;
  76
  77 private:
  78   enum { _S_bufsize = 256 };
  79   char _M_static_name[_S_bufsize];
  80   char *_M_name;
  81 };
  82
  83 #    if defined (_STLP_USE_NO_IOSTREAMS) && !defined (__BUILDING_STLPORT)
  84        // if not linking to the lib, expose implementation of members here
  85 #      include <stl/_stdexcept_base.c>
  86 #    endif
  87
  88 #    if defined (_STLP_DO_WARNING_POP)
  89 #      pragma warning (pop)
  90 #      undef _STLP_DO_WARNING_POP
  91 #    endif
  92
  93 _STLP_END_NAMESPACE
  94
  95 #  endif /* Not o32, and no exceptions */
  96 #endif /* _STLP_STDEXCEPT_SEEN */
  97
  98 #endif /* _STLP_INTERNAL_STDEXCEPT_BASE */