Function typeerror

src/Chain/libraries/glua/lauxlib.cpp:198–210

static int typeerror(lua_State *L, int arg, const char *tname) {
    const char *msg;
    const char *typearg;  /* name for the type of the actual argument */
    if (luaL_getmetafield(L, arg, "__name") == LUA_TSTRING)
        typearg = lua_tostring(L, -1);  /* use the given type name */
    else if (lua_type(L, arg) == LUA_TLIGHTUSERDATA)
        typearg = "light userdata";  /* special name for messages */
    else
        typearg = luaL_typename(L, arg);  /* standard name */
    msg = lua_pushfstring(L, "%s expected, got %s", tname, typearg);
    global_glua_chain_api->throw_exception(L, THINKYOUNG_API_SIMPLE_ERROR, msg);
    return luaL_argerror(L, arg, msg);
}


static void tag_error(lua_State *L, int arg, int tag) {