luabind/detail/overload_rep_base.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 #ifndef LUABIND_OVERLOAD_REP_BASE_HPP_INCLUDED
  24 #define LUABIND_OVERLOAD_REP_BASE_HPP_INCLUDED
  25
  26 #include <luabind/config.hpp>
  27 #include <boost/function/function1.hpp>
  28
  29 struct lua_State;
  30
  31 namespace luabind { namespace detail
  32 {
  33         // this class represents a specific overload of a member-function.
  34         struct overload_rep_base
  35         {
  36 #if !defined(NDEBUG) && !defined(LUABIND_NO_ERROR_CHECKING)
  37                 overload_rep_base(): m_get_signature_fun(0), m_match_fun(0), m_arity(-1) {}
  38 #else
  39                 overload_rep_base(): m_match_fun(0), m_arity(-1) {}
  40 #endif
  41
  42                 typedef boost::function1<int, lua_State*> match_fun_t;
  43                 typedef void(*get_sig_ptr)(lua_State*, std::string&);
  44
  45                 inline int match(lua_State* L, int num_params) const
  46                 {
  47                         if (num_params != m_arity) return -1;
  48                         return m_match_fun(L);
  49                 }
  50
  51                 inline void set_match_fun(match_fun_t const& fn)
  52                 {
  53                         m_match_fun = fn;
  54                 }
  55
  56 #ifndef LUABIND_NO_ERROR_CHECKING
  57                 inline void get_signature(lua_State* L, std::string& s) const
  58                 {
  59                         m_get_signature_fun(L, s);
  60                 }
  61
  62                 inline void set_sig_fun(get_sig_ptr f)
  63                 {
  64                         m_get_signature_fun = f;
  65                 }
  66 #endif
  67
  68         protected:
  69
  70 #ifndef LUABIND_NO_ERROR_CHECKING
  71                 get_sig_ptr m_get_signature_fun;
  72 #endif
  73
  74 //              match_ptr m_match_fun;
  75                 match_fun_t m_match_fun;
  76                 int m_arity;
  77         };
  78
  79 }} // namespace luabind::detail
  80
  81 #endif // LUABIND_OVERLOAD_REP_BASE_HPP_INCLUDED