1 // Copyright (c) 2004 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 #define N BOOST_PP_ITERATION()
24 
25 #define LUABIND_UNWRAP_PARAMETER(z, n, _) \
26     typename detail::unwrap_parameter_type<T, BOOST_PP_CAT(A, n)>::type \
27         BOOST_PP_CAT(_, n)
28 
29 template<class Self BOOST_PP_ENUM_TRAILING_PARAMS(N, class A)>
BOOST_PP_CAT(call_operator,N)30 struct BOOST_PP_CAT(call_operator, N)
31     : detail::operator_<
32           BOOST_PP_CAT(call_operator, N)<
33               Self BOOST_PP_ENUM_TRAILING_PARAMS(N, A)
34           >
35       >
36 {
37     BOOST_PP_CAT(call_operator, N)(int) {}
38 
39     template<class T, class Policies>
40     struct apply
41     {
42         static void execute(
43             lua_State* L
44           , typename detail::unwrap_parameter_type<T, Self>::type self
45             BOOST_PP_ENUM_TRAILING(N, LUABIND_UNWRAP_PARAMETER, _)
46         )
47         {
48             using namespace detail;
49             operator_result(
50                 L
51               , (self(BOOST_PP_ENUM_PARAMS(N, _)), detail::operator_void_return())
52               , (Policies*)0
53             );
54         }
55     };
56 
57     static char const* name() { return "__call"; }
58 };
59 
60 #undef LUABIND_UNWRAP_PARAMETER
61 #undef N
62