libstdc++
regex_error.h
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// class template regex -*- C++ -*-
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// Copyright (C) 2010-2013 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 3, 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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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/**
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* @file bits/regex_error.h
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* @brief Error and exception objects for the std regex library.
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*
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* This is an internal header file, included by other library headers.
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* Do not attempt to use it directly. @headername{regex}
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*/
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namespace
std _GLIBCXX_VISIBILITY(default)
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{
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/**
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* @addtogroup regex
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* @{
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*/
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namespace
regex_constants
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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/**
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* @name 5.3 Error Types
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*/
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//@{
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enum
error_type
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{
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_S_error_collate,
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_S_error_ctype,
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_S_error_escape,
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_S_error_backref,
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_S_error_brack,
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_S_error_paren,
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_S_error_brace,
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_S_error_badbrace,
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_S_error_range,
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_S_error_space,
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_S_error_badrepeat,
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_S_error_complexity,
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_S_error_stack,
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_S_error_last
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};
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/** The expression contained an invalid collating element name. */
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constexpr
error_type
error_collate
(_S_error_collate);
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/** The expression contained an invalid character class name. */
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constexpr
error_type
error_ctype
(_S_error_ctype);
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/**
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* The expression contained an invalid escaped character, or a trailing
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* escape.
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*/
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constexpr
error_type
error_escape
(_S_error_escape);
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/** The expression contained an invalid back reference. */
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constexpr
error_type
error_backref
(_S_error_backref);
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/** The expression contained mismatched [ and ]. */
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constexpr
error_type
error_brack
(_S_error_brack);
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/** The expression contained mismatched ( and ). */
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constexpr
error_type
error_paren
(_S_error_paren);
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/** The expression contained mismatched { and } */
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constexpr
error_type
error_brace
(_S_error_brace);
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/** The expression contained an invalid range in a {} expression. */
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constexpr
error_type
error_badbrace
(_S_error_badbrace);
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/**
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* The expression contained an invalid character range,
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* such as [b-a] in most encodings.
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*/
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constexpr
error_type
error_range
(_S_error_range);
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/**
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* There was insufficient memory to convert the expression into a
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* finite state machine.
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*/
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constexpr
error_type
error_space
(_S_error_space);
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/**
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* One of <em>*?+{</em> was not preceded by a valid regular expression.
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*/
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constexpr
error_type
error_badrepeat
(_S_error_badrepeat);
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/**
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* The complexity of an attempted match against a regular expression
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* exceeded a pre-set level.
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*/
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constexpr
error_type
error_complexity
(_S_error_complexity);
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/**
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* There was insufficient memory to determine whether the
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* regular expression could match the specified character sequence.
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*/
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constexpr
error_type
error_stack
(_S_error_stack);
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//@}
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_GLIBCXX_END_NAMESPACE_VERSION
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}
// namespace regex_constants
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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// [7.8] Class regex_error
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/**
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* @brief A regular expression exception class.
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* @ingroup exceptions
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*
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* The regular expression library throws objects of this class on error.
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*/
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class
regex_error
:
public
std::runtime_error
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{
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regex_constants::error_type
_M_code;
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public
:
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/**
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* @brief Constructs a regex_error object.
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*
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* @param __ecode the regex error code.
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*/
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explicit
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regex_error
(
regex_constants::error_type
__ecode);
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virtual
~
regex_error
()
throw
();
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/**
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* @brief Gets the regex error code.
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*
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* @returns the regex error code.
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*/
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regex_constants::error_type
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code
()
const
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{
return
_M_code; }
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};
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//@} // group regex
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void
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__throw_regex_error(
regex_constants::error_type
__ecode);
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_GLIBCXX_END_NAMESPACE_VERSION
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}
// namespace std
include
bits
regex_error.h
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