luabind/detail/find_best_match.hpp

   1 // Copyright (c) 2003 Daniel Wallin and Arvid Norberg
   2
   3 // Permission is hereby granted, free of charge, to any person obtaining a
   4 // copy of this software and associated documentation files (the "Software"),
   5 // to deal in the Software without restriction, including without limitation
   6 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7 // and/or sell copies of the Software, and to permit persons to whom the
   8 // Software is furnished to do so, subject to the following conditions:
   9
  10 // The above copyright notice and this permission notice shall be included
  11 // in all copies or substantial portions of the Software.
  12
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
  14 // ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
  15 // TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  16 // PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
  17 // SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
  18 // ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  19 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
  21 // OR OTHER DEALINGS IN THE SOFTWARE.
  22
  23
  24 #ifndef LUABIND_FIND_BEST_MATCH_HPP_INCLUDED
  25 #define LUABIND_FIND_BEST_MATCH_HPP_INCLUDED
  26
  27 #include <luabind/config.hpp>
  28
  29 #include <boost/limits.hpp>
  30
  31 namespace luabind { namespace detail
  32 {
  33
  34         // expects that a match function can be accesed through the iterator
  35         // as int match_fun(lua_State*)
  36         // returns true if it found a match better than the given. If it finds a better match match_index is
  37         // updated to contain the new index to the best match (this index now refers to the list given to
  38         // this call).
  39         // orep_size is supposed to tell the size of the actual structures that start and end points to
  40         // ambiguous is set to true if the match was ambiguous
  41         // min_match should be initialized to the currently best match value (the number of implicit casts
  42         // to get a perfect match). If there are no previous matches, set min_match to std::numeric_limits<int>::max()
  43
  44         LUABIND_API bool find_best_match(lua_State* L, const detail::overload_rep_base* start, int num_overloads, size_t orep_size, bool& ambiguous, int& min_match, int& match_index, int num_params);
  45         LUABIND_API void find_exact_match(lua_State* L, const detail::overload_rep_base* start, int num_overloads, size_t orep_size, int cmp_match, int num_params, std::vector<const overload_rep_base*>& dest);
  46
  47 }}
  48
  49 #endif // LUABIND_FIND_BEST_MATCH_HPP_INCLUDED
  50