| 137 | |
| 138 | |
| 139 | static int luaB_setmetatable (lua_State *L) { |
| 140 | int t = lua_type(L, 2); |
| 141 | luaL_checktype(L, 1, LUA_TTABLE); |
| 142 | luaL_argexpected(L, t == LUA_TNIL || t == LUA_TTABLE, 2, "nil or table"); |
| 143 | if (l_unlikely(luaL_getmetafield(L, 1, "__metatable") != LUA_TNIL)) |
| 144 | return luaL_error(L, "cannot change a protected metatable"); |
| 145 | lua_settop(L, 2); |
| 146 | lua_setmetatable(L, 1); |
| 147 | return 1; |
| 148 | } |
| 149 | |
| 150 | |
| 151 | static int luaB_rawequal (lua_State *L) { |
nothing calls this directly
no test coverage detected