Adrian Hedqvist
ec131d8bda
* Implemented lua using kaguya, only for config files for now * Moved color struct to its own header * statically link glew instead of including the source in the project * Other stuff that I don't remember
189 lines
11 KiB
C++
189 lines
11 KiB
C++
// Copyright satoren
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#pragma once
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#include <string>
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#include "kaguya/config.hpp"
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#include "kaguya/utility.hpp"
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#include "kaguya/object.hpp"
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namespace kaguya {
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namespace nativefunction {
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#define KAGUYA_INVOKE_SIG_TARG_DEF_CONCAT_REP(N) \
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, typename util::ArgumentType<N - 1, F>::type
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#define KAGUYA_INVOKE_SIG_TARG_DEF_REPEAT_CONCAT(N) \
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KAGUYA_PP_REPEAT(N, KAGUYA_INVOKE_SIG_TARG_DEF_CONCAT_REP)
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#define KAGUYA_GET_REP(N) , lua_type_traits<KAGUYA_PP_CAT(A, N)>::get(state, N)
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#define KAGUYA_FUNC_DEF(N) \
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const util::FunctionSignatureType<Ret KAGUYA_PP_TEMPLATE_ARG_REPEAT_CONCAT( \
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N)> &fsig
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#define KAGUYA_TYPENAME_REP(N) \
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+((MAX_ARG - opt_count < N) ? "[OPT]" : "") + \
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util::pretty_name(typeid(KAGUYA_PP_CAT(A, N))) + ","
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#define KAGUYA_TYPECHECK_REP(N) \
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&&(((MAX_ARG - opt_count < N) && lua_isnoneornil(state, N)) || \
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lua_type_traits<KAGUYA_PP_CAT(A, N)>::checkType(state, N))
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#define KAGUYA_STRICT_TYPECHECK_REP(N) \
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&&(((MAX_ARG - opt_count < N) && lua_isnoneornil(state, N)) || \
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lua_type_traits<KAGUYA_PP_CAT(A, N)>::strictCheckType(state, N))
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#define KAGUYA_CALL_FN_DEF(N) \
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template <typename F, typename Ret KAGUYA_PP_TEMPLATE_DEF_REPEAT_CONCAT(N)> \
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inline typename traits::enable_if<!traits::is_same<void, Ret>::value, \
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int>::type \
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_call_apply(lua_State *state, F &f, KAGUYA_FUNC_DEF(N)) { \
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KAGUYA_UNUSED(fsig); \
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return util::push_args( \
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state, util::invoke<F KAGUYA_INVOKE_SIG_TARG_DEF_REPEAT_CONCAT(N)>( \
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f KAGUYA_PP_REPEAT(N, KAGUYA_GET_REP))); \
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} \
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template <typename F, typename Ret KAGUYA_PP_TEMPLATE_DEF_REPEAT_CONCAT(N)> \
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inline \
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typename traits::enable_if<traits::is_same<void, Ret>::value, int>::type \
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_call_apply(lua_State *state, F &f, KAGUYA_FUNC_DEF(N)) { \
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KAGUYA_UNUSED(state); \
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KAGUYA_UNUSED(fsig); \
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util::invoke<F KAGUYA_INVOKE_SIG_TARG_DEF_REPEAT_CONCAT(N)>( \
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f KAGUYA_PP_REPEAT(N, KAGUYA_GET_REP)); \
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return 0; \
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} \
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template <typename Ret KAGUYA_PP_TEMPLATE_DEF_REPEAT_CONCAT(N)> \
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bool _ctype_apply(lua_State *state, KAGUYA_FUNC_DEF(N), int opt_count = 0) { \
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KAGUYA_UNUSED(state); \
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KAGUYA_UNUSED(opt_count); \
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KAGUYA_UNUSED(fsig); \
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const int MAX_ARG = N; \
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(void)MAX_ARG; \
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return true KAGUYA_PP_REVERSE_REPEAT(N, KAGUYA_TYPECHECK_REP); \
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} \
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template <typename Ret KAGUYA_PP_TEMPLATE_DEF_REPEAT_CONCAT(N)> \
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bool _sctype_apply(lua_State *state, KAGUYA_FUNC_DEF(N), \
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int opt_count = 0) { \
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KAGUYA_UNUSED(state); \
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KAGUYA_UNUSED(opt_count); \
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KAGUYA_UNUSED(fsig); \
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const int MAX_ARG = N; \
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(void)MAX_ARG; \
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return true KAGUYA_PP_REVERSE_REPEAT(N, KAGUYA_STRICT_TYPECHECK_REP); \
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} \
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template <typename Ret KAGUYA_PP_TEMPLATE_DEF_REPEAT_CONCAT(N)> \
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std::string _type_name_apply(KAGUYA_FUNC_DEF(N), int opt_count) { \
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KAGUYA_UNUSED(fsig); \
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KAGUYA_UNUSED(opt_count); \
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const int MAX_ARG = N; \
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(void)MAX_ARG; \
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return std::string() KAGUYA_PP_REPEAT(N, KAGUYA_TYPENAME_REP); \
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}
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KAGUYA_CALL_FN_DEF(0)
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KAGUYA_PP_REPEAT_DEF(KAGUYA_FUNCTION_MAX_ARGS, KAGUYA_CALL_FN_DEF)
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#undef KAGUYA_CALL_FN_DEF
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#undef KAGUYA_CALL_FN_DEF
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#undef KAGUYA_FUNC_DEF
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template <class F> int call(lua_State *state, F f) {
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typedef typename traits::decay<F>::type ftype;
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typedef typename util::FunctionSignature<ftype>::type fsigtype;
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return _call_apply(state, f, fsigtype());
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}
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template <class F>
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bool checkArgTypes(lua_State *state, const F &, int opt_count = 0) {
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typedef typename traits::decay<F>::type ftype;
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typedef typename util::FunctionSignature<ftype>::type fsigtype;
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return _ctype_apply(state, fsigtype(), opt_count);
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}
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template <class F>
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bool strictCheckArgTypes(lua_State *state, const F &, int opt_count = 0) {
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typedef typename traits::decay<F>::type ftype;
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typedef typename util::FunctionSignature<ftype>::type fsigtype;
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return _sctype_apply(state, fsigtype(), opt_count);
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}
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template <class F> std::string argTypesName(const F &f, int opt_count = 0) {
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KAGUYA_UNUSED(f);
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typedef typename traits::decay<F>::type ftype;
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typedef typename util::FunctionSignature<ftype>::type fsigtype;
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return _type_name_apply(fsigtype(), opt_count);
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}
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template <class F> int minArgCount(const F &f) {
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KAGUYA_UNUSED(f);
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typedef typename traits::decay<F>::type ftype;
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typedef typename util::FunctionSignature<ftype>::type fsigtype;
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return fsigtype::argument_count;
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}
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template <class F> int maxArgCount(const F &f) {
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KAGUYA_UNUSED(f);
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typedef typename traits::decay<F>::type ftype;
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typedef typename util::FunctionSignature<ftype>::type fsigtype;
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return fsigtype::argument_count;
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}
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///! for constructor
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template <typename T> struct ConstructorFunctor;
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#define KAGUYA_CONSTRUCTOR_GET_REP(N) \
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lua_type_traits<KAGUYA_PP_CAT(A, N)>::get(L, N)
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#define KAGUYA_CONSTRUCTOR_CALL_FN_DEF(N) \
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template <typename ClassType KAGUYA_PP_TEMPLATE_DEF_REPEAT_CONCAT(N)> \
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struct ConstructorFunctor<util::FunctionSignatureType< \
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ClassType KAGUYA_PP_TEMPLATE_ARG_REPEAT_CONCAT(N)> > { \
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typedef util::FunctionSignatureType< \
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ClassType KAGUYA_PP_TEMPLATE_ARG_REPEAT_CONCAT(N)> \
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signature_type; \
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int operator()(lua_State *L) const { \
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typedef ObjectWrapper<ClassType> wrapper_type; \
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void *storage = lua_newuserdata(L, sizeof(wrapper_type)); \
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try { \
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new (storage) \
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wrapper_type(KAGUYA_PP_REPEAT_ARG(N, KAGUYA_CONSTRUCTOR_GET_REP)); \
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} catch (...) { \
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lua_pop(L, 1); \
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throw; \
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} \
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class_userdata::setmetatable<ClassType>(L); \
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return 1; \
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} \
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bool checkArgTypes(lua_State *L, int opt_count = 0) const { \
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return _ctype_apply(L, signature_type(), opt_count); \
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} \
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bool strictCheckArgTypes(lua_State *L, int opt_count = 0) const { \
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return _sctype_apply(L, signature_type(), opt_count); \
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} \
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std::string argTypesName(int opt_count = 0) const { \
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KAGUYA_UNUSED(opt_count); \
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return _type_name_apply(signature_type(), 0); \
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} \
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};
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KAGUYA_CONSTRUCTOR_CALL_FN_DEF(0)
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KAGUYA_PP_REPEAT_DEF(KAGUYA_FUNCTION_MAX_ARGS, KAGUYA_CONSTRUCTOR_CALL_FN_DEF)
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#undef KAGUYA_CONSTRUCTOR_CALL_FN_DEF
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template <class ClassType, class FunType = void> struct ConstructorFunction;
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#define KAGUYA_F_TO_CONSIG_TYPE_DEF(N) \
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ConstructorFunctor<util::FunctionSignatureType< \
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ClassType KAGUYA_PP_TEMPLATE_ARG_REPEAT_CONCAT(N)> >
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#define KAGUYA_F_TO_CONSIG_DEF(N) \
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template <typename ClassType KAGUYA_PP_TEMPLATE_DEF_REPEAT_CONCAT(N)> \
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struct ConstructorFunction<ClassType(KAGUYA_PP_TEMPLATE_ARG_REPEAT(N))> { \
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typedef KAGUYA_F_TO_CONSIG_TYPE_DEF(N) type; \
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}; \
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template <typename ClassType, \
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typename RetType KAGUYA_PP_TEMPLATE_DEF_REPEAT_CONCAT(N)> \
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struct ConstructorFunction<ClassType, \
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RetType(KAGUYA_PP_TEMPLATE_ARG_REPEAT(N))> { \
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typedef KAGUYA_F_TO_CONSIG_TYPE_DEF(N) type; \
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};
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KAGUYA_F_TO_CONSIG_DEF(0)
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KAGUYA_PP_REPEAT_DEF(KAGUYA_FUNCTION_MAX_ARGS, KAGUYA_F_TO_CONSIG_DEF)
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#undef KAGUYA_F_TO_CONSIG_DEF
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}
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using nativefunction::ConstructorFunction;
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}
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