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Default error handler function for protected_function

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ThePhD 2016-11-17 23:58:24 -05:00
parent 34b5d59662
commit 97cafbaadd
1 changed files with 19 additions and 0 deletions
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19
sol/state.hpp
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@ -40,6 +40,24 @@ namespace sol {
#endif #endif
} }
inline int default_error_handler(lua_State*L) {
using namespace sol;
std::string msg = "An unknown error has triggered the default error handler";
optional<string_detail::string_shim> maybetopmsg = stack::check_get<string_detail::string_shim>(L, 1);
if (maybetopmsg) {
const string_detail::string_shim& topmsg = maybetopmsg.value();
msg.assign(topmsg.c_str(), topmsg.size());
}
luaL_traceback(L, L, msg.c_str(), 1);
optional<string_detail::string_shim> maybetraceback = stack::check_get<string_detail::string_shim>(L, -1);
if (maybetraceback) {
const string_detail::string_shim& traceback = maybetraceback.value();
msg.assign(traceback.c_str(), traceback.size());
}
return stack::push(L, msg);
}
class state : private std::unique_ptr<lua_State, void(*)(lua_State*)>, public state_view { class state : private std::unique_ptr<lua_State, void(*)(lua_State*)>, public state_view {
private: private:
typedef std::unique_ptr<lua_State, void(*)(lua_State*)> unique_base; typedef std::unique_ptr<lua_State, void(*)(lua_State*)> unique_base;
@ -53,6 +71,7 @@ namespace sol {
state(lua_CFunction panic, lua_Alloc alfunc, void* alpointer = nullptr) : unique_base(lua_newstate(alfunc, alpointer), lua_close), state(lua_CFunction panic, lua_Alloc alfunc, void* alpointer = nullptr) : unique_base(lua_newstate(alfunc, alpointer), lua_close),
state_view(unique_base::get()) { state_view(unique_base::get()) {
set_panic(panic); set_panic(panic);
sol::protected_function::set_default_handler(sol::object(lua_state(), in_place, default_error_handler));
stack::luajit_exception_handler(unique_base::get()); stack::luajit_exception_handler(unique_base::get());
} }