1// regex -*- C++ -*-
2
3// Copyright (C) 2011-2022 Free Software Foundation, Inc.
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#include <stdexcept>
26#include <bits/regex_error.h>
27#include <bits/functexcept.h>
28
29namespace std _GLIBCXX_VISIBILITY(default)
30{
31_GLIBCXX_BEGIN_NAMESPACE_VERSION
32
33  void
34  __throw_regex_error(regex_constants::error_type __ecode
35		      __attribute__((unused)))
36  { _GLIBCXX_THROW_OR_ABORT(regex_error(__ecode)); }
37
38namespace
39{
40  const char*
41  desc(regex_constants::error_type e)
42  {
43    using namespace regex_constants;
44    switch (e)
45    {
46    case error_collate:
47      return "Invalid collating element in regular expression";
48    case error_ctype:
49      return "Invalid character class in regular expression";
50    case error_escape:
51      return "Invalid escape in regular expression";
52    case error_backref:
53      return "Invalid back reference in regular expression";
54    case error_brack:
55      return "Mismatched '[' and ']' in regular expression";
56    case error_paren:
57      return "Mismatched '(' and ')' in regular expression";
58    case error_brace:
59      return "Mismatched '{' and '}' in regular expression";
60    case error_badbrace:
61      return "Invalid range in '{}' in regular expression";
62    case error_range:
63      return "Invalid character range in regular expression";
64    case error_space:
65      return "Insufficient memory to compile regular expression";
66    case error_badrepeat:
67      return "Invalid '?', '*', or '+' in regular expression";
68    case error_complexity:
69      return "Complexity of regex match exceeded implementation limits";
70    case error_stack:
71      return "Insufficient memory to determine regex match";
72    case _S_null:
73      return "Unexpected null character in regular expression";
74    case _S_grammar:
75      return "Conflicting regex grammar options";
76    default:
77      return "regex error";
78    };
79
80  }
81}
82
83  regex_error::regex_error(regex_constants::error_type __ecode)
84  : std::runtime_error(desc(__ecode)), _M_code(__ecode)
85  { }
86
87  regex_error::~regex_error() throw() { }
88
89_GLIBCXX_END_NAMESPACE_VERSION
90} // namespace std
91