/*

  *

  * Copyright (c) 1998-2002

  * John Maddock

  *

  * Use, modification and distribution are subject to the 

  * Boost Software License, Version 1.0. (See accompanying file 

  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

  *

  */

  /*

   *   LOCATION:    see http://www.boost.org for most recent version.

   *   FILE         pattern_except.hpp

   *   VERSION      see <boost/version.hpp>

   *   DESCRIPTION: Declares pattern-matching exception classes.

   */

 #ifndef BOOST_RE_PAT_EXCEPT_HPP

 #define BOOST_RE_PAT_EXCEPT_HPP

 #ifndef BOOST_REGEX_CONFIG_HPP

 #include <boost/regex/config.hpp>

 #endif

 #include <stdexcept>

 #include <cstddef>

 #include <boost/regex/v4/error_type.hpp>

 namespace boost{

 #ifdef BOOST_HAS_ABI_HEADERS

 #  include BOOST_ABI_PREFIX

 #endif

 #ifdef BOOST_MSVC

 #pragma warning(push)

 #pragma warning(disable : 4275)

 #endif

    class BOOST_REGEX_DECL regex_error : public std::runtime_error

 {

 public:

    explicit regex_error(const std::string& s, regex_constants::error_type err = regex_constants::error_unknown, std::ptrdiff_t pos = 0);

    explicit regex_error(regex_constants::error_type err);

    ~regex_error() throw();

    regex_constants::error_type code()const

    { return m_error_code; }

    std::ptrdiff_t position()const

    { return m_position; }

    void raise()const;

 private:

    regex_constants::error_type m_error_code;

    std::ptrdiff_t m_position;

 };

 typedef regex_error bad_pattern;

 typedef regex_error bad_expression;

 namespace re_detail{

 BOOST_REGEX_DECL void BOOST_REGEX_CALL raise_runtime_error(const std::runtime_error& ex);

 template <class traits>

 void raise_error(const traits& t, regex_constants::error_type code)

 {

    (void)t;  // warning suppression

    std::runtime_error e(t.error_string(code));

    ::boost::re_detail::raise_runtime_error(e);

 }

 }

 #ifdef BOOST_HAS_ABI_HEADERS

 #  include BOOST_ABI_SUFFIX

 #endif

 } // namespace boost

 #endif