static void rawgettable() {
lua_Object t = luaL_nonnullarg(1);
lua_Object i = luaL_nonnullarg(2);
lua_pushobject(t);
lua_pushobject(i);
lua_pushobject(lua_rawgettable());
}
static void rawsettable (void)
{
lua_pushobject(luaL_nonnullarg(1));
lua_pushobject(luaL_nonnullarg(2));
lua_pushobject(luaL_nonnullarg(3));
lua_rawsettable();
}
static void rawsettable() {
lua_Object t = luaL_nonnullarg(1);
lua_Object i = luaL_nonnullarg(2);
lua_Object v = luaL_nonnullarg(3);
lua_pushobject(t);
lua_pushobject(i);
lua_pushobject(v);
lua_rawsettable();
}
static void luaB_call (void) {
lua_Object f = luaL_nonnullarg(1);
Hash *arg = gethash(2);
char *options = luaL_opt_string(3, "");
lua_Object err = lua_getparam(4);
int narg = (int)getnarg(arg);
int i, status;
if (err != LUA_NOOBJECT) { /* set new error method */
lua_pushobject(err);
err = lua_seterrormethod();
}
/* push arg[1...n] */
luaD_checkstack(narg);
for (i=0; i<narg; i++)
*(L->stack.top++) = *luaH_getint(arg, i+1);
status = lua_callfunction(f);
if (err != LUA_NOOBJECT) { /* restore old error method */
lua_pushobject(err);
lua_seterrormethod();
}
if (status != 0) { /* error in call? */
if (strchr(options, 'x')) {
lua_pushnil();
return; /* return nil to signal the error */
}
else
lua_error(NULL);
}
else { /* no errors */
if (strchr(options, 'p'))
luaA_packresults();
else
luaA_passresults();
}
}
static void luaB_next (void) {
Hash *a = gethash(1);
TObject *k = luaA_Address(luaL_nonnullarg(2));
int i = (ttype(k) == LUA_T_NIL) ? 0 : luaH_pos(a, k)+1;
if (luaA_next(a, i) == 0)
lua_pushnil();
}
static void luaB_rawsetglobal (void) {
char *n = luaL_check_string(1);
lua_Object value = luaL_nonnullarg(2);
lua_pushobject(value);
lua_rawsetglobal(n);
lua_pushobject(value); /* return given value */
}
static void settagmethod (void)
{
lua_Object nf = luaL_nonnullarg(3);
lua_pushobject(nf);
lua_pushobject(lua_settagmethod((int32)luaL_check_number(1),
luaL_check_string(2)));
}
static void rawsetglobal() {
const char *n = luaL_check_string(1);
lua_Object value = luaL_nonnullarg(2);
lua_pushobject(value);
lua_rawsetglobal(n);
lua_pushobject(value); // return given value
}
static void next() {
lua_Object o = luaL_tablearg(1);
lua_Object r = luaL_nonnullarg(2);
Node *n = luaH_next(luaA_Address(o), luaA_Address(r));
if (n) {
luaA_pushobject(&n->ref);
luaA_pushobject(&n->val);
}
}
static void setlocal (void) {
lua_Object func = lua_stackedfunction(luaL_check_int(1));
int numvar;
luaL_arg_check(func != LUA_NOOBJECT, 1, "level out of range");
numvar = findlocal(func, 2);
lua_pushobject(luaL_nonnullarg(3));
if (!lua_setlocal(func, numvar))
lua_error("no such local variable");
}
static void luaB_nextvar (void) {
TObject *o = luaA_Address(luaL_nonnullarg(1));
TaggedString *g;
if (ttype(o) == LUA_T_NIL)
g = NULL;
else {
luaL_arg_check(ttype(o) == LUA_T_STRING, 1, "variable name expected");
g = tsvalue(o);
}
if (!luaA_nextvar(g))
lua_pushnil();
}
static void luaB_tinsert (void) {
Hash *a = gethash(1);
lua_Object v = lua_getparam(3);
int n = (int)getnarg(a);
int pos;
if (v != LUA_NOOBJECT)
pos = luaL_check_int(2);
else { /* called with only 2 arguments */
v = luaL_nonnullarg(2);
pos = n+1;
}
luaV_setn(a, n+1); /* a.n = n+1 */
for ( ;n>=pos; n--)
luaH_move(a, n, n+1); /* a[n+1] = a[n] */
luaH_setint(a, pos, luaA_Address(v)); /* a[pos] = v */
}
static void luaI_call (void)
{
lua_Object f = luaL_nonnullarg(1);
lua_Object arg = luaL_tablearg(2);
const char *options = luaL_opt_string(3, "");
lua_Object err = lua_getparam(4);
int32 narg = getnarg(arg);
int32 i, status;
if (err != LUA_NOOBJECT) { /* set new error method */
lua_pushobject(err);
err = lua_seterrormethod();
}
/* push arg[1...n] */
for (i=0; i<narg; i++) {
lua_Object temp;
/* temp = arg[i+1] */
lua_pushobject(arg); lua_pushnumber(i+1); temp = lua_rawgettable();
if (narg == MAX_INT && lua_isnil(temp))
break;
lua_pushobject(temp);
}
status = lua_callfunction(f);
if (err != LUA_NOOBJECT) { /* restore old error method */
lua_pushobject(err);
lua_seterrormethod();
}
if (status != 0) { /* error in call? */
if (strchr(options, 'x')) {
lua_pushnil();
return; /* return nil to signal the error */
}
else
lua_error(NULL);
}
else { /* no errors */
if (strchr(options, 'p'))
luaA_packresults();
else
luaA_passresults();
}
}
static void nextvar() {
TObject *o = luaA_Address(luaL_nonnullarg(1));
TaggedString *g;
if (ttype(o) == LUA_T_NIL)
g = (TaggedString *)rootglobal.next;
else {
luaL_arg_check(ttype(o) == LUA_T_STRING, 1, "variable name expected");
g = tsvalue(o);
// check whether name is in global var list
luaL_arg_check((GCnode *)g != g->head.next, 1, "variable name expected");
g = (TaggedString *)g->head.next;
}
while (g && g->globalval.ttype == LUA_T_NIL) {
// skip globals with nil
g = (TaggedString *)g->head.next;
}
if (g) {
pushstring(g);
luaA_pushobject(&g->globalval);
}
}
static void luaB_settagmethod (void) {
lua_Object nf = luaL_nonnullarg(3);
lua_pushobject(nf);
lua_pushobject(lua_settagmethod(luaL_check_int(1), luaL_check_string(2)));
}
static void luaI_type() {
lua_Object o = luaL_nonnullarg(1);
lua_pushstring(luaO_typenames[-ttype(luaA_Address(o))]);
lua_pushnumber(lua_tag(o));
}
static void luaB_rawgettable (void) {
lua_pushobject(luaL_nonnullarg(1));
lua_pushobject(luaL_nonnullarg(2));
lua_pushobject(lua_rawgettable());
}
