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6adffd3f | 1 | // class template regex -*- C++ -*- |
2 | ||
f1717362 | 3 | // Copyright (C) 2010-2016 Free Software Foundation, Inc. |
6adffd3f | 4 | // |
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) | |
9 | // any later version. | |
10 | ||
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. | |
15 | ||
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. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
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 | |
23 | // <http://www.gnu.org/licenses/>. | |
24 | ||
25 | /** | |
54362c0f | 26 | * @file bits/regex_error.h |
6adffd3f | 27 | * @brief Error and exception objects for the std regex library. |
28 | * | |
29 | * This is an internal header file, included by other library headers. | |
5846aeac | 30 | * Do not attempt to use it directly. @headername{regex} |
6adffd3f | 31 | */ |
32 | ||
2948dd21 | 33 | namespace std _GLIBCXX_VISIBILITY(default) |
34 | { | |
49787d3e | 35 | /** |
36 | * @addtogroup regex | |
37 | * @{ | |
38 | */ | |
39 | ||
6adffd3f | 40 | namespace regex_constants |
41 | { | |
2948dd21 | 42 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
43 | ||
6adffd3f | 44 | /** |
45 | * @name 5.3 Error Types | |
46 | */ | |
47 | //@{ | |
988f5995 | 48 | |
6adffd3f | 49 | enum error_type |
50 | { | |
51 | _S_error_collate, | |
52 | _S_error_ctype, | |
53 | _S_error_escape, | |
54 | _S_error_backref, | |
55 | _S_error_brack, | |
56 | _S_error_paren, | |
57 | _S_error_brace, | |
58 | _S_error_badbrace, | |
59 | _S_error_range, | |
60 | _S_error_space, | |
61 | _S_error_badrepeat, | |
62 | _S_error_complexity, | |
63 | _S_error_stack, | |
6adffd3f | 64 | }; |
65 | ||
66 | /** The expression contained an invalid collating element name. */ | |
49787d3e | 67 | constexpr error_type error_collate(_S_error_collate); |
6adffd3f | 68 | |
69 | /** The expression contained an invalid character class name. */ | |
49787d3e | 70 | constexpr error_type error_ctype(_S_error_ctype); |
6adffd3f | 71 | |
72 | /** | |
73 | * The expression contained an invalid escaped character, or a trailing | |
74 | * escape. | |
75 | */ | |
49787d3e | 76 | constexpr error_type error_escape(_S_error_escape); |
6adffd3f | 77 | |
78 | /** The expression contained an invalid back reference. */ | |
49787d3e | 79 | constexpr error_type error_backref(_S_error_backref); |
6adffd3f | 80 | |
81 | /** The expression contained mismatched [ and ]. */ | |
49787d3e | 82 | constexpr error_type error_brack(_S_error_brack); |
6adffd3f | 83 | |
84 | /** The expression contained mismatched ( and ). */ | |
49787d3e | 85 | constexpr error_type error_paren(_S_error_paren); |
6adffd3f | 86 | |
87 | /** The expression contained mismatched { and } */ | |
49787d3e | 88 | constexpr error_type error_brace(_S_error_brace); |
6adffd3f | 89 | |
90 | /** The expression contained an invalid range in a {} expression. */ | |
49787d3e | 91 | constexpr error_type error_badbrace(_S_error_badbrace); |
6adffd3f | 92 | |
93 | /** | |
94 | * The expression contained an invalid character range, | |
95 | * such as [b-a] in most encodings. | |
96 | */ | |
49787d3e | 97 | constexpr error_type error_range(_S_error_range); |
6adffd3f | 98 | |
99 | /** | |
100 | * There was insufficient memory to convert the expression into a | |
101 | * finite state machine. | |
102 | */ | |
49787d3e | 103 | constexpr error_type error_space(_S_error_space); |
6adffd3f | 104 | |
105 | /** | |
e12e4f3b | 106 | * One of <em>*?+{</em> was not preceded by a valid regular expression. |
6adffd3f | 107 | */ |
49787d3e | 108 | constexpr error_type error_badrepeat(_S_error_badrepeat); |
6adffd3f | 109 | |
110 | /** | |
111 | * The complexity of an attempted match against a regular expression | |
112 | * exceeded a pre-set level. | |
113 | */ | |
49787d3e | 114 | constexpr error_type error_complexity(_S_error_complexity); |
6adffd3f | 115 | |
116 | /** | |
117 | * There was insufficient memory to determine whether the | |
118 | * regular expression could match the specified character sequence. | |
119 | */ | |
49787d3e | 120 | constexpr error_type error_stack(_S_error_stack); |
6adffd3f | 121 | |
122 | //@} | |
2948dd21 | 123 | _GLIBCXX_END_NAMESPACE_VERSION |
124 | } // namespace regex_constants | |
125 | ||
126 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
6adffd3f | 127 | |
128 | // [7.8] Class regex_error | |
129 | /** | |
130 | * @brief A regular expression exception class. | |
131 | * @ingroup exceptions | |
132 | * | |
133 | * The regular expression library throws objects of this class on error. | |
134 | */ | |
616e258d | 135 | class regex_error : public std::runtime_error |
6adffd3f | 136 | { |
616e258d | 137 | regex_constants::error_type _M_code; |
138 | ||
6adffd3f | 139 | public: |
140 | /** | |
141 | * @brief Constructs a regex_error object. | |
142 | * | |
e12e4f3b | 143 | * @param __ecode the regex error code. |
6adffd3f | 144 | */ |
145 | explicit | |
616e258d | 146 | regex_error(regex_constants::error_type __ecode); |
147 | ||
148 | virtual ~regex_error() throw(); | |
6adffd3f | 149 | |
150 | /** | |
151 | * @brief Gets the regex error code. | |
152 | * | |
153 | * @returns the regex error code. | |
154 | */ | |
155 | regex_constants::error_type | |
156 | code() const | |
157 | { return _M_code; } | |
ca083a8f | 158 | |
159 | private: | |
160 | regex_error(regex_constants::error_type __ecode, const char* __what) | |
161 | : std::runtime_error(__what), _M_code(__ecode) | |
162 | { } | |
163 | ||
164 | friend void __throw_regex_error(regex_constants::error_type, const char*); | |
6adffd3f | 165 | }; |
166 | ||
49787d3e | 167 | //@} // group regex |
6adffd3f | 168 | |
432b16f4 | 169 | void |
170 | __throw_regex_error(regex_constants::error_type __ecode); | |
6adffd3f | 171 | |
ca083a8f | 172 | inline void |
173 | __throw_regex_error(regex_constants::error_type __ecode, const char* __what) | |
174 | { _GLIBCXX_THROW_OR_ABORT(regex_error(__ecode, __what)); } | |
175 | ||
2948dd21 | 176 | _GLIBCXX_END_NAMESPACE_VERSION |
177 | } // namespace std |