1 // class template regex -*- C++ -*-
3 // Copyright (C) 2010, 2011 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
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22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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26 * @file bits/regex_error.h
27 * @brief Error and exception objects for the std regex library.
29 * This is an internal header file, included by other library headers.
30 * Do not attempt to use it directly. @headername{regex}
33 namespace std _GLIBCXX_VISIBILITY(default)
35 namespace regex_constants
37 _GLIBCXX_BEGIN_NAMESPACE_VERSION
40 * @name 5.3 Error Types
62 /** The expression contained an invalid collating element name. */
63 static constexpr error_type error_collate(_S_error_collate);
65 /** The expression contained an invalid character class name. */
66 static constexpr error_type error_ctype(_S_error_ctype);
69 * The expression contained an invalid escaped character, or a trailing
72 static constexpr error_type error_escape(_S_error_escape);
74 /** The expression contained an invalid back reference. */
75 static constexpr error_type error_backref(_S_error_backref);
77 /** The expression contained mismatched [ and ]. */
78 static constexpr error_type error_brack(_S_error_brack);
80 /** The expression contained mismatched ( and ). */
81 static constexpr error_type error_paren(_S_error_paren);
83 /** The expression contained mismatched { and } */
84 static constexpr error_type error_brace(_S_error_brace);
86 /** The expression contained an invalid range in a {} expression. */
87 static constexpr error_type error_badbrace(_S_error_badbrace);
90 * The expression contained an invalid character range,
91 * such as [b-a] in most encodings.
93 static constexpr error_type error_range(_S_error_range);
96 * There was insufficient memory to convert the expression into a
97 * finite state machine.
99 static constexpr error_type error_space(_S_error_space);
102 * One of <em>*?+{</em> was not preceded by a valid regular expression.
104 static constexpr error_type error_badrepeat(_S_error_badrepeat);
107 * The complexity of an attempted match against a regular expression
108 * exceeded a pre-set level.
110 static constexpr error_type error_complexity(_S_error_complexity);
113 * There was insufficient memory to determine whether the
114 * regular expression could match the specified character sequence.
116 static constexpr error_type error_stack(_S_error_stack);
119 _GLIBCXX_END_NAMESPACE_VERSION
120 } // namespace regex_constants
122 _GLIBCXX_BEGIN_NAMESPACE_VERSION
124 // [7.8] Class regex_error
126 * @brief A regular expression exception class.
127 * @ingroup exceptions
129 * The regular expression library throws objects of this class on error.
131 class regex_error : public std::runtime_error
133 regex_constants::error_type _M_code;
137 * @brief Constructs a regex_error object.
139 * @param __ecode the regex error code.
142 regex_error(regex_constants::error_type __ecode);
144 virtual ~regex_error() throw();
147 * @brief Gets the regex error code.
149 * @returns the regex error code.
151 regex_constants::error_type
158 __throw_regex_error(regex_constants::error_type __ecode);
160 _GLIBCXX_END_NAMESPACE_VERSION