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// Exception Handling support header for -*- C++ -*-

// Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,

// 2004, 2005, 2006, 2007, 2008, 2009, 2010

// Free Software Foundation

//

// This file is part of GCC.

//

// GCC is free software; you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation; either version 3, or (at your option)

// any later version.

//

// GCC is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// Under Section 7 of GPL version 3, you are granted additional

// permissions described in the GCC Runtime Library Exception, version

// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and

// a copy of the GCC Runtime Library Exception along with this program;

// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

// .

/** @file exception

 *  This is a Standard C++ Library header.

 */

#ifndef __EXCEPTION__

#define __EXCEPTION__

#pragma GCC system_header

#pragma GCC visibility push(default)

#include 

extern "C++" {

namespace std

{

  /**

   * @defgroup exceptions Exceptions

   * @ingroup diagnostics

   *

   * Classes and functions for reporting errors via exception classes.

   * @{

   */

  /**

   *  @brief Base class for all library exceptions.

   *

   *  This is the base class for all exceptions thrown by the standard

   *  library, and by certain language expressions.  You are free to derive

   *  your own %exception classes, or use a different hierarchy, or to

   *  throw non-class data (e.g., fundamental types).

   */

  class exception

  {

  public:

    exception() throw() { }

    virtual ~exception() throw();

    /** Returns a C-style character string describing the general cause

     *  of the current error.  */

    virtual const char* what() const throw();

  };

  /** If an %exception is thrown which is not listed in a function's

   *  %exception specification, one of these may be thrown.  */

  class bad_exception : public exception

  {

  public:

    bad_exception() throw() { }

    // This declaration is not useless:

    // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118

    virtual ~bad_exception() throw();

    // See comment in eh_exception.cc.

    virtual const char* what() const throw();

  };

  /// If you write a replacement %terminate handler, it must be of this type.

  typedef void (*terminate_handler) ();

  /// If you write a replacement %unexpected handler, it must be of this type.

  typedef void (*unexpected_handler) ();

  /// Takes a new handler function as an argument, returns the old function.

  terminate_handler set_terminate(terminate_handler) throw();

  /** The runtime will call this function if %exception handling must be

   *  abandoned for any reason.  It can also be called by the user.  */

  void terminate() throw() __attribute__ ((__noreturn__));

  /// Takes a new handler function as an argument, returns the old function.

  unexpected_handler set_unexpected(unexpected_handler) throw();

  /** The runtime will call this function if an %exception is thrown which

   *  violates the function's %exception specification.  */

  void unexpected() __attribute__ ((__noreturn__));

  /** [18.6.4]/1:  'Returns true after completing evaluation of a

   *  throw-expression until either completing initialization of the

   *  exception-declaration in the matching handler or entering @c unexpected()

   *  due to the throw; or after entering @c terminate() for any reason

   *  other than an explicit call to @c terminate().  [Note: This includes

   *  stack unwinding [15.2].  end note]'

   *

   *  2: 'When @c uncaught_exception() is true, throwing an

   *  %exception can result in a call of @c terminate()

   *  (15.5.1).'

   */

  bool uncaught_exception() throw() __attribute__ ((__pure__));

  // @} group exceptions

} // namespace std

_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)

  /**

   *  @brief A replacement for the standard terminate_handler which

   *  prints more information about the terminating exception (if any)

   *  on stderr.

   *

   *  @ingroup exceptions

   *

   *  Call

   *   @code

   *     std::set_terminate(__gnu_cxx::__verbose_terminate_handler)

   *   @endcode

   *  to use.  For more info, see

   *  http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt02ch06s02.html

   *

   *  In 3.4 and later, this is on by default.

   */

  void __verbose_terminate_handler();

_GLIBCXX_END_NAMESPACE

} // extern "C++"

#pragma GCC visibility pop

#if (defined(__GXX_EXPERIMENTAL_CXX0X__) \

     && defined(_GLIBCXX_ATOMIC_BUILTINS_4))

#include 

#include 

#endif

#endif