61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
#ifndef MRUBYPP_H
|
|
#define MRUBYPP_H
|
|
|
|
#include "arena_guard.h"
|
|
#include "converters.h"
|
|
|
|
#include <functional>
|
|
#include <mruby.h>
|
|
#include <string>
|
|
|
|
#include <mruby/compile.h>
|
|
|
|
namespace mrubypp {
|
|
class engine {
|
|
public:
|
|
engine() { mrb_ = mrb_open(); }
|
|
~engine() { mrb_close(mrb_); }
|
|
void load(const std::string &str) {
|
|
if (!mrb_)
|
|
return;
|
|
mrb_load_string(mrb_, str.c_str());
|
|
}
|
|
|
|
template <typename T, typename... Args>
|
|
typename std::enable_if<!std::is_same<T, void>::value, T>::type
|
|
call(const std::string &funcName, Args... args) {
|
|
arena_guard guard(mrb_);
|
|
if constexpr (sizeof...(Args) > 0) {
|
|
mrb_value argv[] = {converter<Args>::to_mrb(mrb_, args)...};
|
|
mrb_sym sym = mrb_intern_cstr(mrb_, funcName.data());
|
|
mrb_value result = mrb_funcall_argv(mrb_, mrb_top_self(mrb_), sym,
|
|
sizeof...(Args), argv);
|
|
return converter<T>::from_mrb(mrb_, result);
|
|
}
|
|
mrb_value result =
|
|
mrb_funcall(mrb_, mrb_top_self(mrb_), funcName.data(), 0);
|
|
return converter<T>::from_mrb(mrb_, result);
|
|
}
|
|
|
|
template <typename T = void, typename... Args>
|
|
typename std::enable_if<std::is_same<T, void>::value, T>::type
|
|
call(const std::string &funcName, Args... args) {
|
|
if constexpr (sizeof...(Args) > 0) {
|
|
arena_guard guard(mrb_);
|
|
mrb_value argv[] = {converter<Args>::to_mrb(mrb_, args)...};
|
|
mrb_sym sym = mrb_intern_cstr(mrb_, funcName.data());
|
|
mrb_funcall_argv(mrb_, mrb_top_self(mrb_), sym, sizeof...(Args), argv);
|
|
} else {
|
|
mrb_funcall(mrb_, mrb_top_self(mrb_), funcName.data(), 0);
|
|
}
|
|
}
|
|
|
|
[[nodiscard]] mrb_state *get_mrb() const { return mrb_; }
|
|
|
|
private:
|
|
mrb_state *mrb_;
|
|
};
|
|
} // namespace mrubypp
|
|
|
|
#endif // MRUBYPP_H
|