1 // class template regex -*- C++ -*-
3 // Copyright (C) 2010 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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21 // a copy of the GCC Runtime Library Exception along with this program;
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 _GLIBCXX_BEGIN_NAMESPACE(std
)
35 namespace regex_constants
38 * @name 5.3 Error Types
60 /** The expression contained an invalid collating element name. */
61 static const error_type
error_collate(_S_error_collate
);
63 /** The expression contained an invalid character class name. */
64 static const error_type
error_ctype(_S_error_ctype
);
67 * The expression contained an invalid escaped character, or a trailing
70 static const error_type
error_escape(_S_error_escape
);
72 /** The expression contained an invalid back reference. */
73 static const error_type
error_backref(_S_error_backref
);
75 /** The expression contained mismatched [ and ]. */
76 static const error_type
error_brack(_S_error_brack
);
78 /** The expression contained mismatched ( and ). */
79 static const error_type
error_paren(_S_error_paren
);
81 /** The expression contained mismatched { and } */
82 static const error_type
error_brace(_S_error_brace
);
84 /** The expression contained an invalid range in a {} expression. */
85 static const error_type
error_badbrace(_S_error_badbrace
);
88 * The expression contained an invalid character range,
89 * such as [b-a] in most encodings.
91 static const error_type
error_range(_S_error_range
);
94 * There was insufficient memory to convert the expression into a
95 * finite state machine.
97 static const error_type
error_space(_S_error_space
);
100 * One of <em>*?+{<em> was not preceded by a valid regular expression.
102 static const error_type
error_badrepeat(_S_error_badrepeat
);
105 * The complexity of an attempted match against a regular expression
106 * exceeded a pre-set level.
108 static const error_type
error_complexity(_S_error_complexity
);
111 * There was insufficient memory to determine whether the
112 * regular expression could match the specified character sequence.
114 static const error_type
error_stack(_S_error_stack
);
119 // [7.8] Class regex_error
121 * @brief A regular expression exception class.
122 * @ingroup exceptions
124 * The regular expression library throws objects of this class on error.
127 : public std::runtime_error
131 * @brief Constructs a regex_error object.
133 * @param ecode the regex error code.
136 regex_error(regex_constants::error_type __ecode
)
137 : std::runtime_error("regex_error"), _M_code(__ecode
)
141 * @brief Gets the regex error code.
143 * @returns the regex error code.
145 regex_constants::error_type
150 regex_constants::error_type _M_code
;
155 __throw_regex_error(regex_constants::error_type __ecode
)
156 { throw regex_error(__ecode
); }
158 _GLIBCXX_END_NAMESPACE