1 // Copyright (c) 2003 Daniel Wallin and Arvid Norberg
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:
10 // The above copyright notice and this permission notice shall be included
11 // in all copies or substantial portions of the Software.
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.
23 #include <luabind/lua_include.hpp>
25 #include <luabind/luabind.hpp>
27 using namespace luabind::detail
;
29 bool luabind::detail::find_best_match(lua_State
* L
, const overload_rep_base
* start
, int num_overloads
, size_t orep_size
, bool& ambiguous
, int& min_match
, int& match_index
, int num_params
)
31 int min_but_one_match
= std::numeric_limits
<int>::max();
34 for (int index
= 0; index
< num_overloads
; ++index
)
36 int match_value
= start
->match(L
, num_params
);
37 reinterpret_cast<const char*&>(start
) += orep_size
;
39 if (match_value
< 0) continue;
40 if (match_value
< min_match
)
44 min_but_one_match
= min_match
;
45 min_match
= match_value
;
47 else if (match_value
< min_but_one_match
)
49 min_but_one_match
= match_value
;
53 ambiguous
= min_match
== min_but_one_match
&& min_match
< std::numeric_limits
<int>::max();
57 void luabind::detail::find_exact_match(lua_State
* L
, const overload_rep_base
* start
, int num_overloads
, size_t orep_size
, int cmp_match
, int num_params
, std::vector
<const overload_rep_base
*>& dest
)
59 for (int i
= 0; i
< num_overloads
; ++i
)
61 int match_value
= start
->match(L
, num_params
);
62 if (match_value
== cmp_match
) dest
.push_back(start
);
63 reinterpret_cast<const char*&>(start
) += orep_size
;