45 #define api_checkvalidindex(L, o)  api_check(L, isvalid(o), "invalid index")
48 	api_check(L, isstackindex(i, o), "index not in the stack")
55     api_check(L, idx <= ci->top - (ci->func + 1), "unacceptable index");  in index2addr()
60     api_check(L, idx != 0 && -idx <= L->top - (ci->func + 1), "invalid index");  in index2addr()
67     api_check(L, idx <= MAXUPVAL + 1, "upvalue index too large");  in index2addr()
113   api_check(from, G(from) == G(to), "moving among independent states");  in lua_xmove()
114   api_check(from, to->ci->top - to->top >= n, "not enough elements to move");  in lua_xmove()
165     api_check(L, idx <= L->stack_last - (func + 1), "new top too large");  in lua_settop()
171     api_check(L, -(idx+1) <= (L->top - (func + 1)), "invalid new top");  in lua_settop()
325       default: api_check(L, 0, "invalid option");  in lua_compare()
561     api_check(L, n <= MAXUPVAL, "upvalue index too large");  in lua_pushcclosure()
641   api_check(L, ttistable(t), "table expected");  in lua_rawget()
651   api_check(L, ttistable(t), "table expected");  in lua_rawgeti()
663   api_check(L, ttistable(t), "table expected");  in lua_rawgetp()
717   api_check(L, ttisuserdata(o), "userdata expected");  in lua_getuservalue()
773   api_check(L, ttistable(t), "table expected");  in lua_rawset()
787   api_check(L, ttistable(t), "table expected");  in lua_rawseti()
801   api_check(L, ttistable(t), "table expected");  in lua_rawsetp()
819     api_check(L, ttistable(L->top - 1), "table expected");  in lua_setmetatable()
855   api_check(L, ttisuserdata(o), "userdata expected");  in lua_setuservalue()
859     api_check(L, ttistable(L->top - 1), "table expected");  in lua_setuservalue()
874      api_check(L, (nr) == LUA_MULTRET || (L->ci->top - L->top >= (nr) - (na)), \
891   api_check(L, k == NULL || !isLua(L->ci),  in lua_callk()
894   api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");  in lua_callk()
932   api_check(L, k == NULL || !isLua(L->ci),  in lua_pcallk()
935   api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");  in lua_pcallk()
1117   api_check(L, ttistable(t), "table expected");  in lua_next()
1247   api_check(L, ttisLclosure(fi), "Lua function expected");  in getupvalref()
1249   api_check(L, (1 <= n && n <= f->p->sizeupvalues), "invalid upvalue index");  in getupvalref()
1263       api_check(L, 1 <= n && n <= f->nupvalues, "invalid upvalue index");  in lua_upvalueid()
1267       api_check(L, 0, "closure expected");  in lua_upvalueid()