mirror of
https://github.com/ThePhD/sol2.git
synced 2024-03-22 13:10:44 +08:00
96 lines
3.6 KiB
C++
96 lines
3.6 KiB
C++
// The MIT License (MIT)
|
|
|
|
// Copyright (c) 2013 Danny Y., Rapptz
|
|
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy of
|
|
// this software and associated documentation files (the "Software"), to deal in
|
|
// the Software without restriction, including without limitation the rights to
|
|
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
|
// the Software, and to permit persons to whom the Software is furnished to do so,
|
|
// subject to the following conditions:
|
|
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
|
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
|
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
|
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
#ifndef SOL_RESOLVE_HPP
|
|
#define SOL_RESOLVE_HPP
|
|
|
|
#include "traits.hpp"
|
|
#include "tuple.hpp"
|
|
|
|
namespace sol {
|
|
namespace detail {
|
|
template<class R, class... Args, class F, class = typename std::result_of<Unqualified<F>( Args... )>::type>
|
|
auto resolve_i( types<R( Args... )>, F&& )->R( Unqualified<F>::* )( Args... ) {
|
|
typedef R( Sig )( Args... );
|
|
typedef Unqualified<F> Fu;
|
|
return static_cast<Sig Fu::*>( &Fu::operator() );
|
|
}
|
|
|
|
template<class F>
|
|
auto resolve_f( std::true_type, F&& f ) -> decltype( resolve_i( types<function_signature_t<decltype( &Unqualified<F>::operator() )>>( ), std::forward<F>( f ) ) ) {
|
|
typedef Unqualified<F> Fu;
|
|
return resolve_i( types<function_signature_t<decltype( &Fu::operator() )>>( ), std::forward<F>( f ) );
|
|
}
|
|
|
|
template<class F>
|
|
void resolve_f( std::false_type, F&& f ) {
|
|
static_assert( has_deducible_signature<F>::value, "Cannot use no-template-parameter call with an overloaded functor: specify the signature" );
|
|
}
|
|
|
|
template<class F>
|
|
auto resolve_i( types<>, F&& f ) -> decltype( resolve_f( has_deducible_signature<Unqualified<F>> {}, std::forward<F>( f ) ) ) {
|
|
return resolve_f( has_deducible_signature<Unqualified<F>> {}, std::forward<F>( f ) );
|
|
}
|
|
|
|
template<class... Args, class F, class R = typename std::result_of<F&( Args... )>::type>
|
|
auto resolve_i( types<Args...>, F&& f ) -> decltype( resolve_i( types<R( Args... )>( ), std::forward<F>( f ) ) ) {
|
|
return resolve_i( types<R( Args... )>( ), std::forward<F>( f ) );
|
|
}
|
|
|
|
template<class Sig, class C>
|
|
Sig C::* resolve_v( std::false_type, Sig C::* mem_func_ptr ) {
|
|
return mem_func_ptr;
|
|
}
|
|
|
|
template<class Sig, class C>
|
|
Sig C::* resolve_v( std::true_type, Sig C::* mem_variable_ptr ) {
|
|
return mem_variable_ptr;
|
|
}
|
|
} // detail
|
|
|
|
template<class... Args, class R>
|
|
auto resolve( R fun_ptr( Args... ) ) -> R( *)( Args... ) {
|
|
return fun_ptr;
|
|
}
|
|
|
|
template<class Sig>
|
|
Sig* resolve( Sig* fun_ptr ) {
|
|
return fun_ptr;
|
|
}
|
|
|
|
template<class... Args, class R, class C>
|
|
auto resolve( R( C::*mem_ptr )( Args... ) ) -> R( C::* )( Args... ) {
|
|
return mem_ptr;
|
|
}
|
|
|
|
template<class Sig, class C>
|
|
Sig C::* resolve( Sig C::* mem_ptr ) {
|
|
return detail::resolve_v( std::is_member_object_pointer<Sig C::*>( ), mem_ptr );
|
|
}
|
|
|
|
template<class... Sig, class F>
|
|
auto resolve( F&& f ) -> decltype( detail::resolve_i( types<Sig...>( ), std::forward<F>( f ) ) ) {
|
|
return detail::resolve_i( types<Sig...>( ), std::forward<F>( f ) );
|
|
}
|
|
} // sol
|
|
|
|
#endif // SOL_RESOLVE_HPP
|