1 /*
2 *
3 * Copyright (c) 1998-2002
4 * John Maddock
5 *
6 * Use, modification and distribution are subject to the
7 * Boost Software License, Version 1.0. (See accompanying file
8 * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9 *
10 */
11
12 /*
13 * LOCATION: see http://www.boost.org for most recent version.
14 * FILE pattern_except.hpp
15 * VERSION see <boost/version.hpp>
16 * DESCRIPTION: Declares pattern-matching exception classes.
17 */
18
19 #ifndef BOOST_RE_V5_PAT_EXCEPT_HPP
20 #define BOOST_RE_V5_PAT_EXCEPT_HPP
21
22 #ifndef BOOST_REGEX_CONFIG_HPP
23 #include <boost/regex/config.hpp>
24 #endif
25
26 #include <cstddef>
27 #include <stdexcept>
28 #include <boost/regex/v5/error_type.hpp>
29 #include <boost/regex/v5/regex_traits_defaults.hpp>
30
31 namespace boost{
32
33 #ifdef BOOST_REGEX_MSVC
34 #pragma warning(push)
35 #pragma warning(disable : 4275)
36 #if BOOST_REGEX_MSVC >= 1800
37 #pragma warning(disable : 26812 4459)
38 #endif
39 #endif
40 class regex_error : public std::runtime_error
41 {
42 public:
regex_error(const std::string & s,regex_constants::error_type err=regex_constants::error_unknown,std::ptrdiff_t pos=0)43 explicit regex_error(const std::string& s, regex_constants::error_type err = regex_constants::error_unknown, std::ptrdiff_t pos = 0)
44 : std::runtime_error(s)
45 , m_error_code(err)
46 , m_position(pos)
47 {
48 }
regex_error(regex_constants::error_type err)49 explicit regex_error(regex_constants::error_type err)
50 : std::runtime_error(::boost::BOOST_REGEX_DETAIL_NS::get_default_error_string(err))
51 , m_error_code(err)
52 , m_position(0)
53 {
54 }
~regex_error()55 ~regex_error() noexcept override {}
code() const56 regex_constants::error_type code()const
57 { return m_error_code; }
position() const58 std::ptrdiff_t position()const
59 { return m_position; }
raise() const60 void raise()const
61 {
62 #ifndef BOOST_NO_EXCEPTIONS
63 #ifndef BOOST_REGEX_STANDALONE
64 ::boost::throw_exception(*this);
65 #else
66 throw* this;
67 #endif
68 #endif
69 }
70 private:
71 regex_constants::error_type m_error_code;
72 std::ptrdiff_t m_position;
73 };
74
75 typedef regex_error bad_pattern;
76 typedef regex_error bad_expression;
77
78 namespace BOOST_REGEX_DETAIL_NS{
79
80 template <class E>
raise_runtime_error(const E & ex)81 inline void raise_runtime_error(const E& ex)
82 {
83 #ifndef BOOST_REGEX_STANDALONE
84 ::boost::throw_exception(ex);
85 #else
86 throw ex;
87 #endif
88 }
89
90 template <class traits>
raise_error(const traits & t,regex_constants::error_type code)91 void raise_error(const traits& t, regex_constants::error_type code)
92 {
93 (void)t; // warning suppression
94 regex_error e(t.error_string(code), code, 0);
95 ::boost::BOOST_REGEX_DETAIL_NS::raise_runtime_error(e);
96 }
97
98 }
99
100 #ifdef BOOST_REGEX_MSVC
101 #pragma warning(pop)
102 #endif
103
104 } // namespace boost
105
106 #endif
107