williamr@4: /*
williamr@4:  * Copyright (c) 1996,1997
williamr@4:  * Silicon Graphics Computer Systems, Inc.
williamr@4:  *
williamr@4:  * Copyright (c) 1999
williamr@4:  * Boris Fomitchev
williamr@4:  *
williamr@4:  * This material is provided "as is", with absolutely no warranty expressed
williamr@4:  * or implied. Any use is at your own risk.
williamr@4:  *
williamr@4:  * Permission to use or copy this software for any purpose is hereby granted
williamr@4:  * without fee, provided the above notices are retained on all copies.
williamr@4:  * Permission to modify the code and to distribute modified code is granted,
williamr@4:  * provided the above notices are retained, and a notice that the code was
williamr@4:  * modified is included with the above copyright notice.
williamr@4:  */
williamr@4: 
williamr@4: // The header <exception> contains low-level functions that interact
williamr@4: // with a compiler's exception-handling mechanism.  It is assumed to
williamr@4: // be supplied with the compiler, rather than with the library, because
williamr@4: // it is inherently tied very closely to the compiler itself.
williamr@4: 
williamr@4: // On platforms where <exception> does not exist, this header defines
williamr@4: // an exception base class.  This is *not* a substitute for everything
williamr@4: // in <exception>, but it suffices to support a bare minimum of STL
williamr@4: // functionality.
williamr@4: 
williamr@4: #ifndef _STLP_INTERNAL_EXCEPTION
williamr@4: #define _STLP_INTERNAL_EXCEPTION
williamr@4: 
williamr@4: #if !defined (_STLP_NO_EXCEPTION_HEADER)
williamr@4: 
williamr@4: #  if defined ( _UNCAUGHT_EXCEPTION )
williamr@4: #    undef _STLP_NO_UNCAUGHT_EXCEPT_SUPPORT
williamr@4: #  endif
williamr@4: 
williamr@4: #  if defined (_STLP_BROKEN_EXCEPTION_CLASS)
williamr@4: #    define exception     _STLP_NULLIFIED_BROKEN_EXCEPTION_CLASS
williamr@4: #    define bad_exception _STLP_NULLIFIED_BROKEN_BAD_EXCEPTION_CLASS
williamr@4: #    if defined (_STLP_NO_NEW_NEW_HEADER)
williamr@4: #      include _STLP_NATIVE_CPP_RUNTIME_HEADER(Exception.h)
williamr@4: #    else
williamr@4: #      include _STLP_NATIVE_CPP_RUNTIME_HEADER(Exception)
williamr@4: #    endif
williamr@4: #    undef exception
williamr@4: #    undef bad_exception
williamr@4: #  else
williamr@4: #    if defined (_STLP_NO_NEW_NEW_HEADER)
williamr@4: #      include _STLP_NATIVE_CPP_RUNTIME_HEADER(exception.h)
williamr@4: #    else
williamr@4: #      include _STLP_NATIVE_CPP_RUNTIME_HEADER(exception)
williamr@4: #    endif
williamr@4: #  endif
williamr@4: 
williamr@4: #  if defined (_STLP_HAS_SPECIFIC_PROLOG_EPILOG) && (defined (_STLP_MSVC) || defined (__ICL))
williamr@4: // dwa 02/04/00 - here I'm assuming that __ICL uses the same library headers as vc6.
williamr@4: // the header <yvals.h> which ships with vc6 and is included by its native <exception>
williamr@4: // actually turns on warnings, so we have to turn them back off.
williamr@4: #    include <stl/config/_warnings_off.h>
williamr@4: #  endif
williamr@4: 
williamr@4: #  if defined (_STLP_USE_OWN_NAMESPACE)
williamr@4: 
williamr@4: _STLP_BEGIN_NAMESPACE
williamr@4: #    if !defined (_STLP_BROKEN_EXCEPTION_CLASS)
williamr@4: #      if !defined (_STLP_USING_PLATFORM_SDK_COMPILER) || !defined (_WIN64)
williamr@4: using _STLP_VENDOR_EXCEPT_STD::exception;
williamr@4: #      else
williamr@4: using ::exception;
williamr@4: #      endif
williamr@4: using _STLP_VENDOR_EXCEPT_STD::bad_exception;
williamr@4: #    endif
williamr@4: 
williamr@4: #    if !defined (_STLP_NO_USING_FOR_GLOBAL_FUNCTIONS)
williamr@4: // fbp : many platforms present strange mix of
williamr@4: // those in various namespaces
williamr@4: #      if !defined (_STLP_VENDOR_UNEXPECTED_STD)
williamr@4: #        define _STLP_VENDOR_UNEXPECTED_STD _STLP_VENDOR_EXCEPT_STD
williamr@4: #      else
williamr@4: /* The following definitions are for backward compatibility as _STLP_VENDOR_TERMINATE_STD
williamr@4:  * and _STLP_VENDOR_UNCAUGHT_EXCEPTION_STD has been introduce after _STLP_VENDOR_UNEXPECTED_STD
williamr@4:  * and _STLP_VENDOR_UNEXPECTED_STD was the macro used in their place before that introduction.
williamr@4:  */
williamr@4: #        if !defined (_STLP_VENDOR_TERMINATE_STD)
williamr@4: #          define _STLP_VENDOR_TERMINATE_STD _STLP_VENDOR_UNEXPECTED_STD
williamr@4: #        endif
williamr@4: #        if !defined (_STLP_VENDOR_UNCAUGHT_EXCEPTION_STD)
williamr@4: #          define _STLP_VENDOR_UNCAUGHT_EXCEPTION_STD _STLP_VENDOR_UNEXPECTED_STD
williamr@4: #        endif
williamr@4: #      endif
williamr@4: #      if !defined (_STLP_VENDOR_TERMINATE_STD)
williamr@4: #        define _STLP_VENDOR_TERMINATE_STD _STLP_VENDOR_EXCEPT_STD
williamr@4: #      endif
williamr@4: #      if !defined (_STLP_VENDOR_UNCAUGHT_EXCEPTION_STD)
williamr@4: #        define _STLP_VENDOR_UNCAUGHT_EXCEPTION_STD _STLP_VENDOR_EXCEPT_STD
williamr@4: #      endif
williamr@4: #      if !defined (_STLP_VENDOR_TERMINATE_STD)
williamr@4: #        define _STLP_VENDOR_TERMINATE_STD _STLP_VENDOR_EXCEPT_STD
williamr@4: #      endif
williamr@4: #      if !defined (_STLP_VENDOR_UNCAUGHT_EXCEPTION_STD)
williamr@4: #        define _STLP_VENDOR_UNCAUGHT_EXCEPTION_STD _STLP_VENDOR_EXCEPT_STD
williamr@4: #      endif
williamr@4: // weird errors
williamr@4: #        if !defined (_STLP_NO_UNEXPECTED_EXCEPT_SUPPORT)
williamr@4: #          if defined (__ICL) && (__ICL >= 900) && (_STLP_MSVC_LIB < 1300)
williamr@4: //See config/_intel.h for reason about this workaround
williamr@4: using std::unexpected;
williamr@4: #          else
williamr@4: using _STLP_VENDOR_UNEXPECTED_STD::unexpected;
williamr@4: #          endif
williamr@4: using _STLP_VENDOR_UNEXPECTED_STD::unexpected_handler;
williamr@4: using _STLP_VENDOR_UNEXPECTED_STD::set_unexpected;
williamr@4: #        endif
williamr@4: using _STLP_VENDOR_TERMINATE_STD::terminate;
williamr@4: using _STLP_VENDOR_TERMINATE_STD::terminate_handler;
williamr@4: using _STLP_VENDOR_TERMINATE_STD::set_terminate;
williamr@4: 
williamr@4: #      if !defined (_STLP_NO_UNCAUGHT_EXCEPT_SUPPORT)
williamr@4: using _STLP_VENDOR_UNCAUGHT_EXCEPTION_STD::uncaught_exception;
williamr@4: #      endif
williamr@4: #    endif /* !_STLP_NO_USING_FOR_GLOBAL_FUNCTIONS */
williamr@4: _STLP_END_NAMESPACE
williamr@4: #  endif /* _STLP_OWN_NAMESPACE */
williamr@4: #else /* _STLP_NO_EXCEPTION_HEADER */
williamr@4: 
williamr@4: /* fbp : absence of <exception> usually means that those
williamr@4:  * functions are not going to be called by compiler.
williamr@4:  * Still, define them for the user.
williamr@4:  * dums: Policy modification, if the function do not behave like the Standard
williamr@4:  *       defined it we do not grant it in the STLport namespace. We will have
williamr@4:  *       compile time error rather than runtime error.
williamr@4:  */
williamr@4: #if 0
williamr@4: /*
williamr@4: typedef void (*unexpected_handler)();
williamr@4: unexpected_handler set_unexpected(unexpected_handler f) _STLP_NOTHROW_INHERENTLY;
williamr@4: void unexpected();
williamr@4: 
williamr@4: typedef void (*terminate_handler)();
williamr@4: terminate_handler set_terminate(terminate_handler f) _STLP_NOTHROW_INHERENTLY;
williamr@4: void terminate();
williamr@4: 
williamr@4: bool uncaught_exception(); // not implemented under mpw as of Jan/1999
williamr@4: */
williamr@4: #endif
williamr@4: 
williamr@4: #endif /* _STLP_NO_EXCEPTION_HEADER */
williamr@4: 
williamr@4: #if defined (_STLP_NO_EXCEPTION_HEADER) || defined (_STLP_BROKEN_EXCEPTION_CLASS)
williamr@4: _STLP_BEGIN_NAMESPACE
williamr@4: 
williamr@4: // section 18.6.1
williamr@4: class _STLP_CLASS_DECLSPEC exception {
williamr@4: public:
williamr@4: #  ifndef _STLP_USE_NO_IOSTREAMS
williamr@4:   exception() _STLP_NOTHROW;
williamr@4:   virtual ~exception() _STLP_NOTHROW;
williamr@4:   virtual const char* what() const _STLP_NOTHROW;
williamr@4: #  else
williamr@4:   exception() _STLP_NOTHROW {}
williamr@4:   virtual ~exception() _STLP_NOTHROW {}
williamr@4:   virtual const char* what() const _STLP_NOTHROW {return "class exception";}
williamr@4: #  endif
williamr@4: };
williamr@4: 
williamr@4: // section 18.6.2.1
williamr@4: class _STLP_CLASS_DECLSPEC bad_exception : public exception {
williamr@4: public:
williamr@4: #  ifndef _STLP_USE_NO_IOSTREAMS
williamr@4:   bad_exception() _STLP_NOTHROW;
williamr@4:   ~bad_exception() _STLP_NOTHROW;
williamr@4:   const char* what() const _STLP_NOTHROW;
williamr@4: #  else
williamr@4:   bad_exception() _STLP_NOTHROW {}
williamr@4:   ~bad_exception() _STLP_NOTHROW {}
williamr@4:   const char* what() const _STLP_NOTHROW {return "class bad_exception";}
williamr@4: #  endif
williamr@4: };
williamr@4: 
williamr@4: // forward declaration
williamr@4: class __Named_exception;
williamr@4: _STLP_END_NAMESPACE
williamr@4: #endif
williamr@4: 
williamr@4: #endif /* _STLP_INTERNAL_EXCEPTION */