// Standard exception classes  -*- C++ -*-

// Copyright (C) 2001, 2002, 2005, 2007, 2009 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library 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.

// This library 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
// <http://www.gnu.org/licenses/>.

/** @file stdexcept
 *  This is a Standard C++ Library header.
 */

//
// ISO C++ 19.1  Exception classes
//

#ifndef _GLIBCXX_STDEXCEPT
#define _GLIBCXX_STDEXCEPT 1

#pragma GCC system_header

#include <exception>
#include <string>

_GLIBCXX_BEGIN_NAMESPACE(std)

  /**
   * @addtogroup exceptions
   * @{
   */

  /** Logic errors represent problems in the internal logic of a program;
   *  in theory, these are preventable, and even detectable before the
   *  program runs (e.g., violations of class invariants).
   *  @brief One of two subclasses of exception.
   */
  class logic_error : public exception 
  {
    string _M_msg;

  public:
    /** Takes a character string describing the error.  */
    explicit 
    logic_error(const string& __arg);

    virtual 
    ~logic_error() throw();

    /** Returns a C-style character string describing the general cause of
     *  the current error (the same string passed to the ctor).  */
    virtual const char* 
    what() const throw();
  };

  /** Thrown by the library, or by you, to report domain errors (domain in
   *  the mathematical sense).  */
  class domain_error : public logic_error 
  {
  public:
    explicit domain_error(const string& __arg);
  };

  /** Thrown to report invalid arguments to functions.  */
  class invalid_argument : public logic_error 
  {
  public:
    explicit invalid_argument(const string& __arg);
  };

  /** Thrown when an object is constructed that would exceed its maximum
   *  permitted size (e.g., a basic_string instance).  */
  class length_error : public logic_error 
  {
  public:
    explicit length_error(const string& __arg);
  };

  /** This represents an argument whose value is not within the expected
   *  range (e.g., boundary checks in basic_string).  */
  class out_of_range : public logic_error 
  {
  public:
    explicit out_of_range(const string& __arg);
  };

  /** Runtime errors represent problems outside the scope of a program;
   *  they cannot be easily predicted and can generally only be caught as
   *  the program executes.
   *  @brief One of two subclasses of exception.
   */
  class runtime_error : public exception 
  {
    string _M_msg;

  public:
    /** Takes a character string describing the error.  */
    explicit 
    runtime_error(const string& __arg);

    virtual 
    ~runtime_error() throw();

    /** Returns a C-style character string describing the general cause of
     *  the current error (the same string passed to the ctor).  */
    virtual const char* 
    what() const throw();
  };

  /** Thrown to indicate range errors in internal computations.  */
  class range_error : public runtime_error 
  {
  public:
    explicit range_error(const string& __arg);
  };

  /** Thrown to indicate arithmetic overflow.  */
  class overflow_error : public runtime_error 
  {
  public:
    explicit overflow_error(const string& __arg);
  };

  /** Thrown to indicate arithmetic underflow.  */
  class underflow_error : public runtime_error 
  {
  public:
    explicit underflow_error(const string& __arg);
  };

  // @} group exceptions

_GLIBCXX_END_NAMESPACE

#endif /* _GLIBCXX_STDEXCEPT */
