gcc/libstdc++-v3/include/std/stdexcept

151 lines
4.1 KiB
C++

// 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 */