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Add support for class constructor parameters

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King_DuckZ 2022-05-15 02:40:41 +02:00
parent d3ad818b8e
commit 996a089185
1 changed files with 18 additions and 3 deletions
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21
include/wrenpp/vm_fun.hpp
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@ -42,6 +42,12 @@ namespace wren {
std::same_as<std::remove_cv_t<T>, ModuleAndName>; std::same_as<std::remove_cv_t<T>, ModuleAndName>;
}; };
#endif #endif
template <typename T, int... Indices, typename... Args>
inline void construct_foreign_class (
std::integer_sequence<int, Indices...>,
void* memory
);
} //namespace detail } //namespace detail
#if __cpp_concepts >= 201907 #if __cpp_concepts >= 201907
@ -63,7 +69,7 @@ namespace wren {
template <typename R, std::size_t N, typename... Args> template <typename R, std::size_t N, typename... Args>
R call (VM& vm, const ModuleAndName& object, const char (&method)[N], const Args&... args); R call (VM& vm, const ModuleAndName& object, const char (&method)[N], const Args&... args);
template <typename T> template <typename T, typename... Args>
foreign_class_t make_foreign_class(); foreign_class_t make_foreign_class();
template <typename T, typename... Args> template <typename T, typename... Args>
@ -198,6 +204,15 @@ namespace wren {
template <typename T, typename R, typename... Args, R(T::*Method)(Args...)> struct MakeMethodBindable<Method> : MakeMethodBindableConstNonConst<T, R, Method, Args...> {}; template <typename T, typename R, typename... Args, R(T::*Method)(Args...)> struct MakeMethodBindable<Method> : MakeMethodBindableConstNonConst<T, R, Method, Args...> {};
template <typename T, typename R, typename... Args, R(T::*Method)(Args...)const> struct MakeMethodBindable<Method> : MakeMethodBindableConstNonConst<T, R, Method, Args...> {}; template <typename T, typename R, typename... Args, R(T::*Method)(Args...)const> struct MakeMethodBindable<Method> : MakeMethodBindableConstNonConst<T, R, Method, Args...> {};
template <typename T, typename... Args, int... Indices>
inline void construct_foreign_class (
std::integer_sequence<int, Indices...>,
VM& vm,
void* memory
) {
new(memory) T{get<Args>(vm, Indices + 1)...};
}
} //namespace detail } //namespace detail
#if __cpp_concepts >= 201907 #if __cpp_concepts >= 201907
@ -299,12 +314,12 @@ namespace wren {
return call<R, N, Args...>(vm, obj_handle, method, args...); return call<R, N, Args...>(vm, obj_handle, method, args...);
} }
template <typename T> template <typename T, typename... Args>
inline foreign_class_t make_foreign_class() { inline foreign_class_t make_foreign_class() {
foreign_class_t ret; foreign_class_t ret;
ret.allocate = [](VM& vm) { ret.allocate = [](VM& vm) {
void* const mem = vm.set_slot_new_foreign(0, 0, sizeof(T)); void* const mem = vm.set_slot_new_foreign(0, 0, sizeof(T));
new(mem) T; detail::construct_foreign_class<T, Args...>(std::make_integer_sequence<int, sizeof...(Args)>{}, vm, mem);
}; };
ret.finalize = [](void* mem) { ret.finalize = [](void* mem) {
const auto cale = static_cast<T*>(mem); const auto cale = static_cast<T*>(mem);