2000-10-11 01:43:26 +02:00
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// Exception Handling support header for -*- C++ -*-
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2001-01-17 08:44:57 +01:00
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2007-02-01 14:36:51 +01:00
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// Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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2009-02-21 01:45:21 +01:00
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// 2004, 2005, 2006, 2007, 2008, 2009
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2002-01-09 21:39:27 +01:00
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// Free Software Foundation
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2001-02-16 01:44:44 +01:00
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//
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Makefile.am, [...]: Replace "GNU CC" with "GCC".
2003-05-24 Nathanael Nerode <neroden@gcc.gnu.org>
* libsupc++/Makefile.am, libsupc++/cxxabi.h, libsupc++/del_op.cc,
libsupc++/del_opnt.cc, libsupc++/del_opv.cc, libsupc++/del_opvnt.cc,
libsupc++/eh_alloc.cc, libsupc++/eh_aux_runtime.cc,
libsupc++/eh_catch.cc, libsupc++/eh_exception.cc,
libsupc++/eh_globals.cc, libsupc++/eh_personality.cc,
libsupc++/eh_term_handler.cc, libsupc++/eh_terminate.cc,
libsupc++/eh_throw.cc, libsupc++/eh_type.cc,
libsupc++/eh_unex_handler.cc, libsupc++/exception,
libsupc++/new, libsupc++/new_handler.cc, libsupc++/new_op.cc,
libsupc++/new_opnt.cc, libsupc++/new_opv.cc, libsupc++/new_opvnt.cc,
libsupc++/pure.cc, libsupc++/tinfo.cc, libsupc++/tinfo2.cc,
libsupc++/typeinfo, libsupc++/unwind-cxx.h, libsupc++/vec.cc:
Replace "GNU CC" with "GCC".
From-SVN: r67155
2003-05-24 18:22:03 +02:00
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// This file is part of GCC.
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2000-10-11 01:43:26 +02:00
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//
|
Makefile.am, [...]: Replace "GNU CC" with "GCC".
2003-05-24 Nathanael Nerode <neroden@gcc.gnu.org>
* libsupc++/Makefile.am, libsupc++/cxxabi.h, libsupc++/del_op.cc,
libsupc++/del_opnt.cc, libsupc++/del_opv.cc, libsupc++/del_opvnt.cc,
libsupc++/eh_alloc.cc, libsupc++/eh_aux_runtime.cc,
libsupc++/eh_catch.cc, libsupc++/eh_exception.cc,
libsupc++/eh_globals.cc, libsupc++/eh_personality.cc,
libsupc++/eh_term_handler.cc, libsupc++/eh_terminate.cc,
libsupc++/eh_throw.cc, libsupc++/eh_type.cc,
libsupc++/eh_unex_handler.cc, libsupc++/exception,
libsupc++/new, libsupc++/new_handler.cc, libsupc++/new_op.cc,
libsupc++/new_opnt.cc, libsupc++/new_opv.cc, libsupc++/new_opvnt.cc,
libsupc++/pure.cc, libsupc++/tinfo.cc, libsupc++/tinfo2.cc,
libsupc++/typeinfo, libsupc++/unwind-cxx.h, libsupc++/vec.cc:
Replace "GNU CC" with "GCC".
From-SVN: r67155
2003-05-24 18:22:03 +02:00
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// GCC is free software; you can redistribute it and/or modify
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2000-10-11 01:43:26 +02:00
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2, or (at your option)
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// any later version.
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//
|
Makefile.am, [...]: Replace "GNU CC" with "GCC".
2003-05-24 Nathanael Nerode <neroden@gcc.gnu.org>
* libsupc++/Makefile.am, libsupc++/cxxabi.h, libsupc++/del_op.cc,
libsupc++/del_opnt.cc, libsupc++/del_opv.cc, libsupc++/del_opvnt.cc,
libsupc++/eh_alloc.cc, libsupc++/eh_aux_runtime.cc,
libsupc++/eh_catch.cc, libsupc++/eh_exception.cc,
libsupc++/eh_globals.cc, libsupc++/eh_personality.cc,
libsupc++/eh_term_handler.cc, libsupc++/eh_terminate.cc,
libsupc++/eh_throw.cc, libsupc++/eh_type.cc,
libsupc++/eh_unex_handler.cc, libsupc++/exception,
libsupc++/new, libsupc++/new_handler.cc, libsupc++/new_op.cc,
libsupc++/new_opnt.cc, libsupc++/new_opv.cc, libsupc++/new_opvnt.cc,
libsupc++/pure.cc, libsupc++/tinfo.cc, libsupc++/tinfo2.cc,
libsupc++/typeinfo, libsupc++/unwind-cxx.h, libsupc++/vec.cc:
Replace "GNU CC" with "GCC".
From-SVN: r67155
2003-05-24 18:22:03 +02:00
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// GCC is distributed in the hope that it will be useful,
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2000-10-11 01:43:26 +02:00
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
|
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//
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// You should have received a copy of the GNU General Public License
|
Makefile.am, [...]: Replace "GNU CC" with "GCC".
2003-05-24 Nathanael Nerode <neroden@gcc.gnu.org>
* libsupc++/Makefile.am, libsupc++/cxxabi.h, libsupc++/del_op.cc,
libsupc++/del_opnt.cc, libsupc++/del_opv.cc, libsupc++/del_opvnt.cc,
libsupc++/eh_alloc.cc, libsupc++/eh_aux_runtime.cc,
libsupc++/eh_catch.cc, libsupc++/eh_exception.cc,
libsupc++/eh_globals.cc, libsupc++/eh_personality.cc,
libsupc++/eh_term_handler.cc, libsupc++/eh_terminate.cc,
libsupc++/eh_throw.cc, libsupc++/eh_type.cc,
libsupc++/eh_unex_handler.cc, libsupc++/exception,
libsupc++/new, libsupc++/new_handler.cc, libsupc++/new_op.cc,
libsupc++/new_opnt.cc, libsupc++/new_opv.cc, libsupc++/new_opvnt.cc,
libsupc++/pure.cc, libsupc++/tinfo.cc, libsupc++/tinfo2.cc,
libsupc++/typeinfo, libsupc++/unwind-cxx.h, libsupc++/vec.cc:
Replace "GNU CC" with "GCC".
From-SVN: r67155
2003-05-24 18:22:03 +02:00
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// along with GCC; see the file COPYING. If not, write to
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2005-08-17 04:28:44 +02:00
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// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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// Boston, MA 02110-1301, USA.
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2000-10-11 01:43:26 +02:00
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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2001-07-11 21:35:49 +02:00
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/** @file exception
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2006-11-29 21:59:22 +01:00
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* This is a Standard C++ Library header.
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2001-07-11 21:35:49 +02:00
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*/
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2000-10-11 01:43:26 +02:00
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#ifndef __EXCEPTION__
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#define __EXCEPTION__
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2004-08-03 08:45:54 +02:00
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#pragma GCC visibility push(default)
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2005-12-19 01:56:05 +01:00
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#include <bits/c++config.h>
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2000-10-11 01:43:26 +02:00
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extern "C++" {
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2001-01-17 08:44:57 +01:00
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namespace std
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{
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2009-02-21 01:45:21 +01:00
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/**
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* @defgroup exceptions Exceptions
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* @ingroup diagnostics
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*
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* Classes and functions for reporting errors via exception classes.
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* @{
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*/
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abi.txt: New file.
2002-07-20 Phil Edwards <pme@gcc.gnu.org>
* docs/html/abi.txt: New file.
* docs/html/23_containers/howto.html: Tweak vector-overhead text.
* docs/html/ext/lwg-active.html, docs/html/ext/lwg-defects.html:
Import from upstream, R22.
* include/bits/char_traits.h, include/bits/stl_iterator.h,
include/bits/stl_iterator_base_types.h, libsupc++/exception,
libsupc++/new, libsupc++/typeinfo: Use @brief markup.
* include/bits/deque.tcc, include/bits/stl_alloc.h,
include/bits/stl_deque.h, include/bits/stl_list.h: Postpone removal
of deprecated functions until 3.4. (Same timeframe, different text.)
* include/bits/stl_vector.h: Ditto. Also do the same cleanups that
the other sequence classes received.
From-SVN: r55602
2002-07-20 08:26:27 +02:00
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/**
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* @brief Base class for all library exceptions.
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*
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* This is the base class for all exceptions thrown by the standard
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2001-07-11 21:35:49 +02:00
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* library, and by certain language expressions. You are free to derive
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* your own %exception classes, or use a different hierarchy, or to
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* throw non-class data (e.g., fundamental types).
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*/
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2001-01-17 08:44:57 +01:00
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class exception
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{
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public:
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exception() throw() { }
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2001-03-13 20:32:00 +01:00
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virtual ~exception() throw();
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2007-06-26 13:01:15 +02:00
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2001-07-11 21:35:49 +02:00
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/** Returns a C-style character string describing the general cause
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* of the current error. */
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2001-01-17 08:44:57 +01:00
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virtual const char* what() const throw();
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};
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2000-10-11 01:43:26 +02:00
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2001-07-11 21:35:49 +02:00
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/** If an %exception is thrown which is not listed in a function's
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* %exception specification, one of these may be thrown. */
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2001-01-17 08:44:57 +01:00
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class bad_exception : public exception
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{
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public:
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bad_exception() throw() { }
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2007-06-26 13:01:15 +02:00
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2002-01-10 00:31:57 +01:00
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// This declaration is not useless:
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// http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
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2002-01-09 21:39:27 +01:00
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virtual ~bad_exception() throw();
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2007-06-26 13:01:15 +02:00
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2007-02-01 14:36:51 +01:00
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// See comment in eh_exception.cc.
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virtual const char* what() const throw();
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2001-01-17 08:44:57 +01:00
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};
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2000-10-11 01:43:26 +02:00
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2001-07-11 21:35:49 +02:00
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/// If you write a replacement %terminate handler, it must be of this type.
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2001-01-17 08:44:57 +01:00
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typedef void (*terminate_handler) ();
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2007-06-26 13:01:15 +02:00
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2001-07-11 21:35:49 +02:00
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/// If you write a replacement %unexpected handler, it must be of this type.
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2001-01-17 08:44:57 +01:00
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typedef void (*unexpected_handler) ();
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2000-10-11 01:43:26 +02:00
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2001-07-11 21:35:49 +02:00
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/// Takes a new handler function as an argument, returns the old function.
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2001-01-17 08:44:57 +01:00
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terminate_handler set_terminate(terminate_handler) throw();
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2007-06-26 13:01:15 +02:00
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2001-07-11 21:35:49 +02:00
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/** The runtime will call this function if %exception handling must be
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2002-12-27 01:23:20 +01:00
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* abandoned for any reason. It can also be called by the user. */
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2001-01-17 08:44:57 +01:00
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void terminate() __attribute__ ((__noreturn__));
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2000-10-11 01:43:26 +02:00
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2001-07-11 21:35:49 +02:00
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/// Takes a new handler function as an argument, returns the old function.
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2001-01-17 08:44:57 +01:00
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unexpected_handler set_unexpected(unexpected_handler) throw();
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2007-06-26 13:01:15 +02:00
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2001-07-11 21:35:49 +02:00
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/** The runtime will call this function if an %exception is thrown which
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* violates the function's %exception specification. */
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2001-01-17 08:44:57 +01:00
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void unexpected() __attribute__ ((__noreturn__));
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2000-10-11 01:43:26 +02:00
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2001-07-11 21:35:49 +02:00
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/** [18.6.4]/1: "Returns true after completing evaluation of a
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* throw-expression until either completing initialization of the
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* exception-declaration in the matching handler or entering @c unexpected()
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* due to the throw; or after entering @c terminate() for any reason
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* other than an explicit call to @c terminate(). [Note: This includes
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* stack unwinding [15.2]. end note]"
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*
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* 2: "When @c uncaught_exception() is true, throwing an %exception can
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* result in a call of @c terminate() (15.5.1)."
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*/
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2001-01-17 08:44:57 +01:00
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bool uncaught_exception() throw();
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[multiple changes]
2008-08-23 Paolo Carlini <paolo.carlini@oracle.com>
* testsuite/lib/libstdc++.exp (check_v3_target_atomic_builtins): Add.
* testsuite/lib/dg-options.exp (dg-require-atomic-builtins): Likewise.
* testsuite/18_support/exception_ptr/current_exception.cc: Use it.
* testsuite/18_support/exception_ptr/rethrow_exception.cc: Likewise.
* testsuite/18_support/exception_ptr/lifespan.cc: Likewise.
2008-08-23 Sebastian Redl <sebastian.redl@getdesigned.at>
Add (again) exception propagation support as per N2179. Feature is
available only when _GLIBCXX_ATOMIC_BUILTINS_4 is defined.
* libsupc++/exception_ptr.h (exception_ptr, current_exception,
copy_exception, rethrow_exception): New file, implement exception
propagation.
* libsupc++/eh_ptr.cc (exception_ptr, current_exception,
rethrow_exception, __gxx_dependent_exception_cleanup): Likewise.
* libsupc++/unwind-cxx.h (__cxa_exception): Add reference count.
(__cxa_dependent_exception, __cxa_allocate_dependent_exception,
__cxa_free_dependent_exception, __get_dependent_exception_from_ue,
__GXX_INIT_DEPENDENT_EXCEPTION_CLASS, __is_dependent_exception,
__gxx_dependent_exception_class, __get_object_from_ue,
__get_object_from_ambiguous_exception): Add.
(__GXX_INIT_EXCEPTION_CLASS, __gxx_exception_class): Rename.
(__is_gxx_exception_class): Handle dependent exceptions.
* libsupc++/eh_arm.cc (__cxa_type_match): Likewise.
* libsupc++/eh_call.cc (__cxa_call_unexpected): Likewise.
* libsupc++/eh_personality.cc (__gxx_personality_*): Likewise.
* libsupc++/eh_type.cc (__cxa_current_exception_type): Likewise.
* libsupc++/eh_alloc.cc (__cxa_allocate_dependent_exception,
__cxa_free_dependent_exception): Add.
* libsupc++/eh_throw.cc (__gxx_exception_cleanup): Handle reference
counting.
* libsupc++/exception: Conditionally include exception_ptr.h.
* libsupc++/Makefile.am: Register new files.
* libsupc++/Makefile.in: Regenerate.
* config/abi/pre/gnu.ver: Add new symbols.
* testsuite/18_support/exception_ptr/current_exception.cc: Test the
core functionality of current_exception().
* testsuite/18_support/exception_ptr/rethrow_exception.cc: Test the
core functionality of rethrow_exception().
* testsuite/18_support/exception_ptr/lifespan.cc: Test the life span of
exception objects during exception propagation.
From-SVN: r139509
2008-08-23 13:28:30 +02:00
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2009-02-21 01:45:21 +01:00
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// @} group exceptions
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2000-10-11 01:43:26 +02:00
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} // namespace std
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2005-12-19 01:56:05 +01:00
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_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
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2009-02-21 01:45:21 +01:00
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/**
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* @brief A replacement for the standard terminate_handler which
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* prints more information about the terminating exception (if any)
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* on stderr.
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*
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* @ingroup exceptions
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*
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* Call
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* @code
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* std::set_terminate(__gnu_cxx::__verbose_terminate_handler)
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* @endcode
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* to use. For more info, see
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* http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt02ch06s02.html
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*
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* In 3.4 and later, this is on by default.
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*/
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void __verbose_terminate_handler();
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2005-12-19 01:56:05 +01:00
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_GLIBCXX_END_NAMESPACE
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2001-11-18 03:09:23 +01:00
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2000-10-11 01:43:26 +02:00
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} // extern "C++"
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2004-08-03 08:45:54 +02:00
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#pragma GCC visibility pop
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[multiple changes]
2008-08-23 Paolo Carlini <paolo.carlini@oracle.com>
* testsuite/lib/libstdc++.exp (check_v3_target_atomic_builtins): Add.
* testsuite/lib/dg-options.exp (dg-require-atomic-builtins): Likewise.
* testsuite/18_support/exception_ptr/current_exception.cc: Use it.
* testsuite/18_support/exception_ptr/rethrow_exception.cc: Likewise.
* testsuite/18_support/exception_ptr/lifespan.cc: Likewise.
2008-08-23 Sebastian Redl <sebastian.redl@getdesigned.at>
Add (again) exception propagation support as per N2179. Feature is
available only when _GLIBCXX_ATOMIC_BUILTINS_4 is defined.
* libsupc++/exception_ptr.h (exception_ptr, current_exception,
copy_exception, rethrow_exception): New file, implement exception
propagation.
* libsupc++/eh_ptr.cc (exception_ptr, current_exception,
rethrow_exception, __gxx_dependent_exception_cleanup): Likewise.
* libsupc++/unwind-cxx.h (__cxa_exception): Add reference count.
(__cxa_dependent_exception, __cxa_allocate_dependent_exception,
__cxa_free_dependent_exception, __get_dependent_exception_from_ue,
__GXX_INIT_DEPENDENT_EXCEPTION_CLASS, __is_dependent_exception,
__gxx_dependent_exception_class, __get_object_from_ue,
__get_object_from_ambiguous_exception): Add.
(__GXX_INIT_EXCEPTION_CLASS, __gxx_exception_class): Rename.
(__is_gxx_exception_class): Handle dependent exceptions.
* libsupc++/eh_arm.cc (__cxa_type_match): Likewise.
* libsupc++/eh_call.cc (__cxa_call_unexpected): Likewise.
* libsupc++/eh_personality.cc (__gxx_personality_*): Likewise.
* libsupc++/eh_type.cc (__cxa_current_exception_type): Likewise.
* libsupc++/eh_alloc.cc (__cxa_allocate_dependent_exception,
__cxa_free_dependent_exception): Add.
* libsupc++/eh_throw.cc (__gxx_exception_cleanup): Handle reference
counting.
* libsupc++/exception: Conditionally include exception_ptr.h.
* libsupc++/Makefile.am: Register new files.
* libsupc++/Makefile.in: Regenerate.
* config/abi/pre/gnu.ver: Add new symbols.
* testsuite/18_support/exception_ptr/current_exception.cc: Test the
core functionality of current_exception().
* testsuite/18_support/exception_ptr/rethrow_exception.cc: Test the
core functionality of rethrow_exception().
* testsuite/18_support/exception_ptr/lifespan.cc: Test the life span of
exception objects during exception propagation.
From-SVN: r139509
2008-08-23 13:28:30 +02:00
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#if (defined(__GXX_EXPERIMENTAL_CXX0X__) \
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&& defined(_GLIBCXX_ATOMIC_BUILTINS_4))
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#include <exception_ptr.h>
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#endif
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2000-10-11 01:43:26 +02:00
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#endif
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