70     api_check(L, idx <= ci->top.p - (ci->func.p + 1), "unacceptable index");  in index2value()
75     api_check(L, idx != 0 && -idx <= L->top.p - (ci->func.p + 1),  in index2value()
83     api_check(L, idx <= MAXUPVAL + 1, "upvalue index too large");  in index2value()
90       api_check(L, ttislcf(s2v(ci->func.p)), "caller not a C function");  in index2value()
105     api_check(L, o < L->top.p, "invalid index");  in index2stack()
109     api_check(L, idx != 0 && -idx <= L->top.p - (ci->func.p + 1),  in index2stack()
111     api_check(L, !ispseudo(idx), "invalid index");  in index2stack()
122   api_check(L, n >= 0, "negative 'n'");  in lua_checkstack()
139   api_check(from, G(from) == G(to), "moving among independent states");  in lua_xmove()
140   api_check(from, to->ci->top.p - to->top.p >= n, "stack overflow");  in lua_xmove()
195     api_check(L, idx <= ci->top.p - (func + 1), "new top too large");  in lua_settop()
201     api_check(L, -(idx+1) <= (L->top.p - (func + 1)), "invalid new top");  in lua_settop()
204   api_check(L, L->tbclist.p < L->top.p, "previous pop of an unclosed slot");  in lua_settop()
219   api_check(L, hastocloseCfunc(L->ci->nresults) && L->tbclist.p == level,  in lua_closeslot()
252   api_check(L, (n >= 0 ? n : -n) <= (t - p + 1), "invalid 'n'");  in lua_rotate()
266   api_check(L, isvalid(L, to), "invalid index");  in lua_copy()
298   api_check(L, LUA_TNONE <= t && t < LUA_NUMTYPES, "invalid type");  in lua_typename()
369       default: api_check(L, 0, "invalid option");  in lua_compare()
598     api_check(L, n <= MAXUPVAL, "upvalue index too large");  in lua_pushcclosure()
737   api_check(L, ttistable(t), "table expected");  in gettable()
817   api_check(L, ttisfulluserdata(o), "full userdata expected");  in lua_getiuservalue()
952     api_check(L, ttistable(s2v(L->top.p - 1)), "table expected");  in lua_setmetatable()
989   api_check(L, ttisfulluserdata(o), "full userdata expected");  in lua_setiuservalue()
1009      api_check(L, (nr) == LUA_MULTRET \
1018   api_check(L, k == NULL || !isLua(L->ci),  in lua_callk()
1021   api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");  in lua_callk()
1059   api_check(L, k == NULL || !isLua(L->ci),  in lua_pcallk()
1062   api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");  in lua_pcallk()
1068     api_check(L, ttisfunction(s2v(o)), "error handler must be a function");  in lua_pcallk()
1286   api_check(L, L->tbclist.p < o, "given index below or equal a marked one");  in lua_toclose()
1356   api_check(L, 0 <= nuvalue && nuvalue < USHRT_MAX, "invalid value");  in lua_newuserdatauv()
1431   api_check(L, ttisLclosure(fi), "Lua function expected");  in getupvalref()
1456       api_check(L, 0, "function expected");  in lua_upvalueid()
1468   api_check(L, *up1 != NULL && *up2 != NULL, "invalid upvalue index");  in lua_upvaluejoin()