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mrubypp/engine.h

55 lines
1.3 KiB
C++

#ifndef MRUBYPP_H
#define MRUBYPP_H
#include "arena_guard.h"
#include "bind_class.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> T call(const std::string &funcName) {
arena_guard guard(mrb_);
mrb_value result =
mrb_funcall(mrb_, mrb_top_self(mrb_), funcName.data(), 0);
return converter<T>::from_mrb(mrb_, result);
}
template <typename T, typename... Args>
T call(const std::string &funcName, Args... args) {
arena_guard guard(mrb_);
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);
}
template <typename T>
class_builder<T> class_builder(const std::string &class_name) {
return class_builder<T>(mrb_, class_name);
}
[[nodiscard]] mrb_state *get_mrb() const { return mrb_; }
private:
mrb_state *mrb_;
};
} // namespace mrubypp
#endif // MRUBYPP_H