149 lines
4.5 KiB
C++
149 lines
4.5 KiB
C++
// Standard exception classes -*- C++ -*-
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// Copyright (C) 2001, 2002 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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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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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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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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//
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// ISO C++ 19.1 Exception classes
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//
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/** @file stdexcept
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* This is a Standard C++ Library header. You should @c #include this header
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* in your programs, rather than any of the "st[dl]_*.h" implementation files.
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*/
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#ifndef _CPP_STDEXCEPT
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#define _CPP_STDEXCEPT 1
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#pragma GCC system_header
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#include <exception>
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#include <string>
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namespace std
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{
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/** Logic errors represent problems in the internal logic of a program;
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* in theory, these are preventable, and even detectable before the
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* program runs (e.g., violations of class invariants).
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* @brief One of two subclasses of exception.
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*/
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class logic_error : public exception
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{
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string _M_msg;
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public:
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/** Takes a character string describing the error. */
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explicit
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logic_error(const string& __arg);
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virtual
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~logic_error() throw();
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/** Returns a C-style character string describing the general cause of
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* the current error (the same string passed to the ctor). */
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virtual const char*
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what() const throw();
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};
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/** Thrown by the library, or by you, to report domain errors (domain in
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* the mathmatical sense). */
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class domain_error : public logic_error
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{
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public:
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explicit domain_error(const string& __arg);
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};
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/** Thrown to report invalid arguments to functions. */
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class invalid_argument : public logic_error
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{
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public:
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explicit invalid_argument(const string& __arg);
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};
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/** Thrown when an object is constructed that would exceed its maximum
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* permitted size (e.g., a basic_string instance). */
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class length_error : public logic_error
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{
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public:
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explicit length_error(const string& __arg);
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};
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/** This represents an argument whose value is not within the expected
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* range (e.g., boundary checks in basic_string). */
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class out_of_range : public logic_error
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{
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public:
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explicit out_of_range(const string& __arg);
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};
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/** Runtime errors represent problems outside the scope of a program;
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* they cannot be easily predicted and can generally only be caught as
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* the program executes.
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* @brief One of two subclasses of exception.
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*/
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class runtime_error : public exception
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{
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string _M_msg;
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public:
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/** Takes a character string describing the error. */
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explicit
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runtime_error(const string& __arg);
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virtual
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~runtime_error() throw();
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/** Returns a C-style character string describing the general cause of
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* the current error (the same string passed to the ctor). */
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virtual const char*
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what() const throw();
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};
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/** Thrown to indicate range errors in internal computations. */
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class range_error : public runtime_error
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{
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public:
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explicit range_error(const string& __arg);
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};
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/** Thrown to indicate arithmetic overflow. */
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class overflow_error : public runtime_error
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{
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public:
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explicit overflow_error(const string& __arg);
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};
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/** Thrown to indicate arithmetic underflow. */
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class underflow_error : public runtime_error
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{
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public:
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explicit underflow_error(const string& __arg);
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};
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} // namespace std
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#endif // _CPP_STDEXCEPT
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