Function msghandler

src/Chain/libraries/glua/single_glua_src/main.cpp:123–135

** Message handler used to run all chunks */

** Message handler used to run all chunks
*/
static int msghandler(lua_State *L) {
	const char *msg = lua_tostring(L, 1);
	if (msg == NULL) {  /* is error object not a string? */
		if (luaL_callmeta(L, 1, "__tostring") &&  /* does it have a metamethod */
			lua_type(L, -1) == LUA_TSTRING)  /* that produces a string? */
			return 1;  /* that is the message */
		else
			msg = lua_pushfstring(L, "(error object is a %s value)",
				luaL_typename(L, 1));
	}
	luaL_traceback(L, L, msg, 1);  /* append a standard traceback */
	return 1;  /* return the traceback */
}


/*