static REBSER *Trim_Object(REBSER *obj)
{
REBVAL *val;
REBINT cnt = 0;
REBSER *nobj;
REBVAL *nval;
REBVAL *word;
REBVAL *nwrd;
word = FRM_WORDS(obj)+1;
for (val = FRM_VALUES(obj)+1; NOT_END(val); val++, word++) {
if (VAL_TYPE(val) > REB_NONE && !VAL_GET_OPT(word, OPTS_HIDE))
cnt++;
}
nobj = Make_Frame(cnt);
nval = FRM_VALUES(nobj)+1;
word = FRM_WORDS(obj)+1;
nwrd = FRM_WORDS(nobj)+1;
for (val = FRM_VALUES(obj)+1; NOT_END(val); val++, word++) {
if (VAL_TYPE(val) > REB_NONE && !VAL_GET_OPT(word, OPTS_HIDE)) {
*nval++ = *val;
*nwrd++ = *word;
}
}
SET_END(nval);
SET_END(nwrd);
SERIES_TAIL(nobj) = cnt+1;
SERIES_TAIL(FRM_WORD_SERIES(nobj)) = cnt+1;
return nobj;
}
*/ static REBSER *Init_Loop(REBVAL *spec, REBVAL *body_blk, REBSER **fram)
/*
** Initialize standard for loops (copy block, make frame, bind).
** Spec: WORD or [WORD ...]
**
***********************************************************************/
{
REBSER *frame;
REBINT len;
REBVAL *word;
REBVAL *vals;
REBSER *body;
// For :WORD format, get the var's value:
if (IS_GET_WORD(spec)) spec = Get_Var(spec);
// Hand-make a FRAME (done for for speed):
len = IS_BLOCK(spec) ? VAL_LEN(spec) : 1;
if (len == 0) Trap_Arg(spec);
frame = Make_Frame(len);
SET_SELFLESS(frame);
SERIES_TAIL(frame) = len+1;
SERIES_TAIL(FRM_WORD_SERIES(frame)) = len+1;
// Setup for loop:
word = FRM_WORD(frame, 1); // skip SELF
vals = BLK_SKIP(frame, 1);
if (IS_BLOCK(spec)) spec = VAL_BLK_DATA(spec);
// Optimally create the FOREACH frame:
while (len-- > 0) {
if (!IS_WORD(spec) && !IS_SET_WORD(spec)) {
// Prevent inconsistent GC state:
Free_Series(FRM_WORD_SERIES(frame));
Free_Series(frame);
Trap_Arg(spec);
}
VAL_SET(word, VAL_TYPE(spec));
VAL_BIND_SYM(word) = VAL_WORD_SYM(spec);
VAL_BIND_TYPESET(word) = ALL_64;
word++;
SET_NONE(vals);
vals++;
spec++;
}
SET_END(word);
SET_END(vals);
body = Clone_Block_Value(body_blk);
Bind_Block(frame, BLK_HEAD(body), BIND_DEEP);
*fram = frame;
return body;
}
*/ static REBSER *Init_Loop(const REBVAL *spec, REBVAL *body_blk, REBSER **fram)
/*
** Initialize standard for loops (copy block, make frame, bind).
** Spec: WORD or [WORD ...]
**
***********************************************************************/
{
REBSER *frame;
REBINT len;
REBVAL *word;
REBVAL *vals;
REBSER *body;
// For :WORD format, get the var's value:
if (IS_GET_WORD(spec)) spec = GET_VAR(spec);
// Hand-make a FRAME (done for for speed):
len = IS_BLOCK(spec) ? VAL_LEN(spec) : 1;
if (len == 0) raise Error_Invalid_Arg(spec);
frame = Make_Frame(len, FALSE);
SERIES_TAIL(frame) = len+1;
SERIES_TAIL(FRM_WORD_SERIES(frame)) = len+1;
// Setup for loop:
word = FRM_WORD(frame, 1); // skip SELF
vals = BLK_SKIP(frame, 1);
if (IS_BLOCK(spec)) spec = VAL_BLK_DATA(spec);
// Optimally create the FOREACH frame:
while (len-- > 0) {
if (!IS_WORD(spec) && !IS_SET_WORD(spec)) {
// Prevent inconsistent GC state:
Free_Series(FRM_WORD_SERIES(frame));
Free_Series(frame);
raise Error_Invalid_Arg(spec);
}
Val_Init_Word_Typed(word, VAL_TYPE(spec), VAL_WORD_SYM(spec), ALL_64);
word++;
SET_NONE(vals);
vals++;
spec++;
}
SET_END(word);
SET_END(vals);
body = Copy_Array_At_Deep_Managed(
VAL_SERIES(body_blk), VAL_INDEX(body_blk)
);
Bind_Values_Deep(BLK_HEAD(body), frame);
*fram = frame;
return body;
}
//
// Map_To_Block: C
//
// mapser = series of the map
// what: -1 - words, +1 - values, 0 -both
//
REBSER *Map_To_Block(REBSER *mapser, REBINT what)
{
REBVAL *val;
REBCNT cnt = 0;
REBSER *blk;
REBVAL *out;
// Count number of set entries:
for (val = BLK_HEAD(mapser); NOT_END(val) && NOT_END(val+1); val += 2) {
if (!IS_NONE(val+1)) cnt++; // must have non-none value
}
// Copy entries to new block:
blk = Make_Array(cnt * ((what == 0) ? 2 : 1));
out = BLK_HEAD(blk);
for (val = BLK_HEAD(mapser); NOT_END(val) && NOT_END(val+1); val += 2) {
if (!IS_NONE(val+1)) {
if (what <= 0) *out++ = val[0];
if (what >= 0) *out++ = val[1];
}
}
SET_END(out);
blk->tail = out - BLK_HEAD(blk);
return blk;
}
*/ REBVAL *Append_Event()
/*
** Append an event to the end of the current event port queue.
** Return a pointer to the event value.
**
** Note: this function may be called from out of environment,
** so do NOT extend the event queue here. If it does not have
** space, return 0. (Should it overwrite or wrap???)
**
***********************************************************************/
{
REBVAL *port;
REBVAL *value;
REBVAL *state;
port = Get_System(SYS_PORTS, PORTS_SYSTEM);
if (!IS_PORT(port)) return 0; // verify it is a port object
// Get queue block:
state = VAL_BLK_SKIP(port, STD_PORT_STATE);
if (!IS_BLOCK(state)) return 0;
// Append to tail if room:
if (SERIES_FULL(VAL_SERIES(state))) Crash(RP_MAX_EVENTS);
VAL_TAIL(state)++;
value = VAL_BLK_TAIL(state);
SET_END(value);
value--;
SET_NONE(value);
//Dump_Series(VAL_SERIES(state), "state");
//Print("Tail: %d %d", VAL_TAIL(state), nn++);
return value;
}
*/ REBSER *Map_To_Object(REBSER *mapser)
/*
***********************************************************************/
{
REBVAL *val;
REBCNT cnt = 0;
REBSER *frame;
REBVAL *key;
REBVAL *mval;
// Count number of set entries:
for (mval = BLK_HEAD(mapser); NOT_END(mval) && NOT_END(mval+1); mval += 2) {
if (ANY_WORD(mval) && !IS_NONE(mval+1)) cnt++;
}
// See Make_Frame() - cannot use it directly because no Collect_Words
frame = Make_Frame(cnt, TRUE);
key = FRM_KEY(frame, 1);
val = FRM_VALUE(frame, 1);
for (mval = BLK_HEAD(mapser); NOT_END(mval) && NOT_END(mval+1); mval += 2) {
if (ANY_WORD(mval) && !IS_NONE(mval+1)) {
// !!! Used to leave SET_WORD typed values here... but why?
// (Objects did not make use of the set-word vs. other distinctions
// that function specs did.)
Val_Init_Typeset(
key,
// all types except END or UNSET
~((FLAGIT_64(REB_END) | FLAGIT_64(REB_UNSET))),
VAL_WORD_SYM(mval)
);
key++;
*val++ = mval[1];
}
}
SET_END(key);
SET_END(val);
FRM_KEYLIST(frame)->tail = frame->tail = cnt + 1;
return frame;
}
*/ REBSER *Map_To_Object(REBSER *mapser)
/*
***********************************************************************/
{
REBVAL *val;
REBCNT cnt = 0;
REBSER *frame;
REBVAL *word;
REBVAL *mval;
// Count number of set entries:
for (mval = BLK_HEAD(mapser); NOT_END(mval) && NOT_END(mval+1); mval += 2) {
if (ANY_WORD(mval) && !IS_NONE(mval+1)) cnt++;
}
// See Make_Frame() - cannot use it directly because no Collect_Words
frame = Make_Frame(cnt, TRUE);
word = FRM_WORD(frame, 1);
val = FRM_VALUE(frame, 1);
for (mval = BLK_HEAD(mapser); NOT_END(mval) && NOT_END(mval+1); mval += 2) {
if (ANY_WORD(mval) && !IS_NONE(mval+1)) {
Init_Unword(
word,
REB_SET_WORD,
VAL_WORD_SYM(mval),
// all types except END or UNSET
~((TYPESET(REB_END) | TYPESET(REB_UNSET)))
);
word++;
*val++ = mval[1];
}
}
SET_END(word);
SET_END(val);
FRM_WORD_SERIES(frame)->tail = frame->tail = cnt + 1;
return frame;
}
*/ REBSER *Create_Frame(REBSER *words, REBSER *spec)
/*
** Create a new frame from a word list.
** The values of the frame are initialized to NONE.
**
***********************************************************************/
{
REBINT len = SERIES_TAIL(words);
REBSER *frame = Make_Block(len);
REBVAL *value = BLK_HEAD(frame);
SET_FRAME(value, spec, words);
SERIES_TAIL(frame) = len;
for (value++, len--; len > 0; len--, value++) SET_NONE(value); // skip first value (self)
SET_END(value);
return frame;
}
//
// Collect_Set_Words: C
//
// Scan a block, collecting all of its SET words as a block.
//
REBARR *Collect_Set_Words(REBVAL *val)
{
REBCNT count = 0;
REBVAL *val2 = val;
REBARR *array;
for (; NOT_END(val); val++) if (IS_SET_WORD(val)) count++;
val = val2;
array = Make_Array(count);
val2 = ARR_HEAD(array);
for (; NOT_END(val); val++) {
if (IS_SET_WORD(val))
Val_Init_Word(val2++, REB_WORD, VAL_WORD_SYM(val));
}
SET_END(val2);
SET_ARRAY_LEN(array, count);
return array;
}
*/ REBSER *Collect_Set_Words(REBVAL *val)
/*
** Scan a block, collecting all of its SET words as a block.
**
***********************************************************************/
{
REBCNT cnt = 0;
REBVAL *val2 = val;
REBSER *ser;
for (; NOT_END(val); val++) if (IS_SET_WORD(val)) cnt++;
val = val2;
ser = Make_Block(cnt);
val2 = BLK_HEAD(ser);
for (; NOT_END(val); val++) {
if (IS_SET_WORD(val)) Init_Word(val2++, VAL_WORD_SYM(val));
}
SET_END(val2);
SERIES_TAIL(ser) = cnt;
return ser;
}
*/ static REBSER *Pane_To_Block(REBGOB *gob, REBCNT index, REBINT len)
/*
** Convert pane list of gob pointers to a block of GOB!s.
**
***********************************************************************/
{
REBSER *ser;
REBGOB **gp;
REBVAL *val;
if (len == -1 || (len + index) > GOB_TAIL(gob)) len = GOB_TAIL(gob) - index;
if (len < 0) len = 0;
ser = Make_Block(len);
ser->tail = len;
val = BLK_HEAD(ser);
gp = GOB_HEAD(gob);
for (; len > 0; len--, val++, gp++) {
SET_GOB(val, *gp);
}
SET_END(val);
return ser;
}
