/***********************************************************************
**
** Get_Obj_Mods -- return a block of modified words from an object
**
***********************************************************************/
REBVAL *Get_Obj_Mods(REBFRM *frame, REBVAL **inter_block)
{
REBVAL *obj = D_ARG(1);
REBVAL *words, *val;
REBFRM *frm = VAL_OBJ_FRAME(obj);
REBSER *ser = Make_Block(2);
REBOOL clear = D_REF(2);
//DISABLE_GC;
val = BLK_HEAD(frm->values);
words = BLK_HEAD(frm->words);
for (; NOT_END(val); val++, words++)
if (!(VAL_FLAGS(val) & FLAGS_CLEAN)) {
Append_Val(ser, words);
if (clear) VAL_FLAGS(val) |= FLAGS_CLEAN;
}
if (!STR_LEN(ser)) {
ENABLE_GC;
goto is_none;
}
Bind_Block(frm, BLK_HEAD(ser), FALSE);
VAL_SERIES(Temp_Blk_Value) = ser;
//ENABLE_GC;
return Temp_Blk_Value;
}
STOID Mold_Object(REBVAL *value, REB_MOLD *mold)
{
REBSER *wser;
REBVAL *words;
REBVAL *vals; // first value is context
REBCNT n;
REBOOL indented = !GET_MOPT(mold, MOPT_INDENT);
ASSERT(VAL_OBJ_FRAME(value), RP_NO_OBJECT_FRAME);
wser = VAL_OBJ_WORDS(value);
// if (wser < 1000)
// Dump_Block_Raw(VAL_OBJ_FRAME(value), 0, 1);
words = BLK_HEAD(wser);
vals = VAL_OBJ_VALUES(value); // first value is context
Pre_Mold(value, mold);
Append_Byte(mold->series, '[');
// Prevent infinite looping:
if (Find_Same_Block(MOLD_LOOP, value) > 0) {
Append_Bytes(mold->series, "...]");
return;
}
Append_Val(MOLD_LOOP, value);
mold->indent++;
for (n = 1; n < SERIES_TAIL(wser); n++) {
if (
!VAL_GET_OPT(words+n, OPTS_HIDE) &&
((VAL_TYPE(vals+n) > REB_NONE) || !GET_MOPT(mold, MOPT_NO_NONE))
){
if(indented)
New_Indented_Line(mold);
else if (n > 1)
Append_Byte(mold->series, ' ');
Append_UTF8(mold->series, Get_Sym_Name(VAL_WORD_SYM(words+n)), -1);
//Print("Slot: %s", Get_Sym_Name(VAL_WORD_SYM(words+n)));
Append_Bytes(mold->series, ": ");
if (IS_WORD(vals+n) && !GET_MOPT(mold, MOPT_MOLD_ALL)) Append_Byte(mold->series, '\'');
Mold_Value(mold, vals+n, TRUE);
}
}
mold->indent--;
if (indented) New_Indented_Line(mold);
Append_Byte(mold->series, ']');
End_Mold(mold);
Remove_Last(MOLD_LOOP);
}
*/ REBSER *Make_Object_Block(REBSER *frame, REBINT mode)
/*
** Return a block containing words, values, or set-word: value
** pairs for the given object. Note: words are bound to original
** object.
**
** Modes:
** 1 for word
** 2 for value
** 3 for words and values
**
***********************************************************************/
{
REBVAL *words = FRM_WORDS(frame);
REBVAL *values = FRM_VALUES(frame);
REBSER *block;
REBVAL *value;
REBCNT n;
n = (mode & 4) ? 0 : 1;
block = Make_Block(SERIES_TAIL(frame) * (n + 1));
for (; n < SERIES_TAIL(frame); n++) {
if (!VAL_GET_OPT(words+n, OPTS_HIDE)) {
if (mode & 1) {
value = Append_Value(block);
if (mode & 2) {
VAL_SET(value, REB_SET_WORD);
VAL_SET_LINE(value);
}
else VAL_SET(value, REB_WORD); //VAL_TYPE(words+n));
VAL_WORD_SYM(value) = VAL_BIND_SYM(words+n);
VAL_WORD_INDEX(value) = n;
VAL_WORD_FRAME(value) = frame;
}
if (mode & 2) {
Append_Val(block, values+n);
}
}
}
return block;
}
STOID Form_Object(REBVAL *value, REB_MOLD *mold)
{
REBSER *wser = VAL_OBJ_WORDS(value);
REBVAL *words = BLK_HEAD(wser);
REBVAL *vals = VAL_OBJ_VALUES(value); // first value is context
REBCNT n;
// Prevent endless mold loop:
if (Find_Same_Block(MOLD_LOOP, value) > 0) {
Append_Bytes(mold->series, "...]");
return;
}
Append_Val(MOLD_LOOP, value);
// Mold all words and their values:
for (n = 1; n < SERIES_TAIL(wser); n++) {
if (!VAL_GET_OPT(words+n, OPTS_HIDE))
Emit(mold, "N: V\n", VAL_WORD_SYM(words+n), vals+n);
}
Remove_Last(mold->series);
Remove_Last(MOLD_LOOP);
}
RL_API int RL_Set_Value(REBSER *series, u32 index, RXIARG val, int type)
/*
** Set a value in a block.
**
** Returns:
** TRUE if index past end and value was appended to tail of block.
** Arguments:
** series - block series pointer
** index - index of the value in the block (zero based)
** val - new value for field
** type - datatype of value
*/
{
REBVAL value = {0};
RXI_To_Value(&value, val, type);
if (index >= series->tail) {
Append_Val(series, &value);
return TRUE;
}
*BLK_SKIP(series, index) = value;
return FALSE;
}
STOID Mold_Map(REBVAL *value, REB_MOLD *mold, REBFLG molded)
{
REBSER *mapser = VAL_SERIES(value);
REBVAL *val;
// Prevent endless mold loop:
if (Find_Same_Block(MOLD_LOOP, value) > 0) {
Append_Bytes(mold->series, "...]");
return;
}
Append_Val(MOLD_LOOP, value);
if (molded) {
Pre_Mold(value, mold);
Append_Byte(mold->series, '[');
}
// Mold all non-none entries
mold->indent++;
for (val = BLK_HEAD(mapser); NOT_END(val) && NOT_END(val+1); val += 2) {
if (!IS_NONE(val+1)) {
if (molded) New_Indented_Line(mold);
Emit(mold, "V V", val, val+1);
if (!molded) Append_Byte(mold->series, '\n');
}
}
mold->indent--;
if (molded) {
New_Indented_Line(mold);
Append_Byte(mold->series, ']');
}
End_Mold(mold);
Remove_Last(MOLD_LOOP);
}
*/ static REBFLG Set_GOB_Var(REBGOB *gob, REBVAL *word, REBVAL *val)
/*
***********************************************************************/
{
REBVAL *spec;
REBVAL *hndl;
switch (VAL_WORD_CANON(word)) {
case SYM_OFFSET:
return Set_Pair(&(gob->offset), val);
case SYM_SIZE:
return Set_Pair(&gob->size, val);
case SYM_IMAGE:
CLR_GOB_OPAQUE(gob);
if (IS_IMAGE(val)) {
SET_GOB_TYPE(gob, GOBT_IMAGE);
GOB_W(gob) = (REBD32)VAL_IMAGE_WIDE(val);
GOB_H(gob) = (REBD32)VAL_IMAGE_HIGH(val);
GOB_CONTENT(gob) = VAL_SERIES(val);
// if (!VAL_IMAGE_TRANSP(val)) SET_GOB_OPAQUE(gob);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
#ifdef HAS_WIDGET_GOB
case SYM_WIDGET:
//printf("WIDGET GOB\n");
SET_GOB_TYPE(gob, GOBT_WIDGET);
SET_GOB_OPAQUE(gob);
GOB_CONTENT(gob) = Make_Block(4); // [handle type spec data]
hndl = Append_Value(GOB_CONTENT(gob));
Append_Value(GOB_CONTENT(gob)); // used to cache type on host's side
spec = Append_Value(GOB_CONTENT(gob));
Append_Value(GOB_CONTENT(gob)); // used to cache result data
SET_HANDLE(hndl, 0, SYM_WIDGET, 0);
if (IS_WORD(val) || IS_LIT_WORD(val)) {
Set_Block(spec, Make_Block(1));
Append_Val(VAL_SERIES(spec), val);
}
else if (IS_BLOCK(val)) {
Set_Block(spec, VAL_SERIES(val));
}
else return FALSE;
break;
#endif // HAS_WIDGET_GOB
case SYM_DRAW:
CLR_GOB_OPAQUE(gob);
if (IS_BLOCK(val)) {
SET_GOB_TYPE(gob, GOBT_DRAW);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
case SYM_TEXT:
CLR_GOB_OPAQUE(gob);
if (IS_BLOCK(val)) {
SET_GOB_TYPE(gob, GOBT_TEXT);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_STRING(val)) {
SET_GOB_TYPE(gob, GOBT_STRING);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
case SYM_EFFECT:
CLR_GOB_OPAQUE(gob);
if (IS_BLOCK(val)) {
SET_GOB_TYPE(gob, GOBT_EFFECT);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
case SYM_COLOR:
CLR_GOB_OPAQUE(gob);
if (IS_TUPLE(val)) {
SET_GOB_TYPE(gob, GOBT_COLOR);
Set_Pixel_Tuple((REBYTE*)&GOB_CONTENT(gob), val);
if (VAL_TUPLE_LEN(val) < 4 || VAL_TUPLE(val)[3] == 255)
SET_GOB_OPAQUE(gob);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
break;
case SYM_PANE:
if (GOB_PANE(gob)) Clear_Series(GOB_PANE(gob));
if (IS_BLOCK(val))
Insert_Gobs(gob, VAL_BLK_DATA(val), 0, VAL_BLK_LEN(val), 0);
else if (IS_GOB(val))
Insert_Gobs(gob, val, 0, 1, 0);
else if (IS_NONE(val))
gob->pane = 0;
else
return FALSE;
break;
case SYM_ALPHA:
GOB_ALPHA(gob) = Clip_Int(Int32(val), 0, 255);
break;
case SYM_DATA:
#ifdef HAS_WIDGET_GOB
if (GOB_TYPE(gob) == GOBT_WIDGET) {
OS_SET_WIDGET_DATA(gob, val);
} else {
#endif
SET_GOB_DTYPE(gob, GOBD_NONE);
if (IS_OBJECT(val)) {
SET_GOB_DTYPE(gob, GOBD_OBJECT);
SET_GOB_DATA(gob, VAL_OBJ_FRAME(val));
}
else if (IS_BLOCK(val)) {
SET_GOB_DTYPE(gob, GOBD_BLOCK);
SET_GOB_DATA(gob, VAL_SERIES(val));
}
else if (IS_STRING(val)) {
SET_GOB_DTYPE(gob, GOBD_STRING);
SET_GOB_DATA(gob, VAL_SERIES(val));
}
else if (IS_BINARY(val)) {
SET_GOB_DTYPE(gob, GOBD_BINARY);
SET_GOB_DATA(gob, VAL_SERIES(val));
}
else if (IS_INTEGER(val)) {
SET_GOB_DTYPE(gob, GOBD_INTEGER);
SET_GOB_DATA(gob, (void*)(REBIPT)VAL_INT64(val));
}
else if (IS_NONE(val))
SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
#ifdef HAS_WIDGET_GOB
}
#endif
break;
case SYM_FLAGS:
if (IS_WORD(val)) Set_Gob_Flag(gob, val);
else if (IS_BLOCK(val)) {
gob->flags = 0;
for (val = VAL_BLK(val); NOT_END(val); val++) {
if (IS_WORD(val)) Set_Gob_Flag(gob, val);
}
}
break;
case SYM_OWNER:
if (IS_GOB(val))
GOB_TMP_OWNER(gob) = VAL_GOB(val);
else
return FALSE;
break;
default:
return FALSE;
}
return TRUE;
}
*/ static REBCNT Do_Eval_Rule(REBPARSE *parse, REBCNT index, REBVAL **rule)
/*
** Evaluate the input as a code block. Advance input if
** rule succeeds. Return new index or failure.
**
** Examples:
** do skip
** do end
** do "abc"
** do 'abc
** do [...]
** do variable
** do datatype!
** do quote 123
** do into [...]
**
** Problem: cannot write: set var do datatype!
**
***********************************************************************/
{
REBVAL value;
REBVAL *item = *rule;
REBCNT n;
REBPARSE newparse;
// First, check for end of input:
if (index >= parse->series->tail) {
if (IS_WORD(item) && VAL_CMD(item) == SYM_END) return index;
else return NOT_FOUND;
}
// Evaluate next N input values:
index = Do_Next(parse->series, index, FALSE);
// Value is on top of stack (volatile!):
value = *DS_POP;
if (THROWN(&value)) Throw_Break(&value);
// Get variable or command:
if (IS_WORD(item)) {
n = VAL_CMD(item);
if (n == SYM_SKIP)
return (IS_SET(&value)) ? index : NOT_FOUND;
if (n == SYM_QUOTE) {
item = item + 1;
(*rule)++;
if (IS_END(item)) Trap1(RE_PARSE_END, item-2);
if (IS_PAREN(item)) {
item = Do_Block_Value_Throw(item); // might GC
}
}
else if (n == SYM_INTO) {
item = item + 1;
(*rule)++;
if (IS_END(item)) Trap1(RE_PARSE_END, item-2);
item = Get_Parse_Value(item); // sub-rules
if (!IS_BLOCK(item)) Trap1(RE_PARSE_RULE, item-2);
if (!ANY_BINSTR(&value) && !ANY_BLOCK(&value)) return NOT_FOUND;
return (Parse_Series(&value, VAL_BLK_DATA(item), parse->flags, 0) == VAL_TAIL(&value))
? index : NOT_FOUND;
}
else if (n > 0)
Trap1(RE_PARSE_RULE, item);
else
item = Get_Parse_Value(item); // variable
}
else if (IS_PATH(item)) {
item = Get_Parse_Value(item); // variable
}
else if (IS_SET_WORD(item) || IS_GET_WORD(item) || IS_SET_PATH(item) || IS_GET_PATH(item))
Trap1(RE_PARSE_RULE, item);
if (IS_NONE(item)) {
return (VAL_TYPE(&value) > REB_NONE) ? NOT_FOUND : index;
}
// Copy the value into its own block:
newparse.series = Make_Block(1);
SAVE_SERIES(newparse.series);
Append_Val(newparse.series, &value);
newparse.type = REB_BLOCK;
newparse.flags = parse->flags;
newparse.result = 0;
n = (Parse_Next_Block(&newparse, 0, item, 0) != NOT_FOUND) ? index : NOT_FOUND;
UNSAVE_SERIES(newparse.series);
return n;
}
*/ static int Loop_Each(REBVAL *ds, REBINT mode)
/*
** Supports these natives (modes):
** 0: foreach
** 1: remove-each
** 2: map
**
***********************************************************************/
{
REBSER *body;
REBVAL *vars;
REBVAL *words;
REBSER *frame;
REBVAL *value;
REBSER *series;
REBSER *out; // output block (for MAP, mode = 2)
REBINT index; // !!!! should these be REBCNT?
REBINT tail;
REBINT windex; // write
REBINT rindex; // read
REBINT err;
REBCNT i;
REBCNT j;
value = D_ARG(2); // series
if (IS_NONE(value)) return R_NONE;
body = Init_Loop(D_ARG(1), D_ARG(3), &frame); // vars, body
SET_OBJECT(D_ARG(1), frame); // keep GC safe
Set_Block(D_ARG(3), body); // keep GC safe
SET_NONE(D_RET);
SET_NONE(DS_NEXT);
// If it's MAP, create result block:
if (mode == 2) {
out = Make_Block(VAL_LEN(value));
Set_Block(D_RET, out);
}
// Get series info:
if (ANY_OBJECT(value)) {
series = VAL_OBJ_FRAME(value);
out = FRM_WORD_SERIES(series); // words (the out local reused)
index = 1;
//if (frame->tail > 3) Trap_Arg(FRM_WORD(frame, 3));
}
else if (IS_MAP(value)) {
series = VAL_SERIES(value);
index = 0;
//if (frame->tail > 3) Trap_Arg(FRM_WORD(frame, 3));
}
else {
series = VAL_SERIES(value);
index = VAL_INDEX(value);
if (index >= (REBINT)SERIES_TAIL(series)) {
if (mode == 1) {
SET_INTEGER(D_RET, 0);
}
return R_RET;
}
}
windex = index;
// Iterate over each value in the series block:
while (index < (tail = SERIES_TAIL(series))) {
rindex = index; // remember starting spot
j = 0;
// Set the FOREACH loop variables from the series:
for (i = 1; i < frame->tail; i++) {
vars = FRM_VALUE(frame, i);
words = FRM_WORD(frame, i);
// var spec is WORD
if (IS_WORD(words)) {
if (index < tail) {
if (ANY_BLOCK(value)) {
*vars = *BLK_SKIP(series, index);
}
else if (ANY_OBJECT(value)) {
if (!VAL_GET_OPT(BLK_SKIP(out, index), OPTS_HIDE)) {
// Alternate between word and value parts of object:
if (j == 0) {
Set_Word(vars, VAL_WORD_SYM(BLK_SKIP(out, index)), series, index);
if (NOT_END(vars+1)) index--; // reset index for the value part
}
else if (j == 1)
*vars = *BLK_SKIP(series, index);
else
Trap_Arg(words);
j++;
}
else {
// Do not evaluate this iteration
index++;
goto skip_hidden;
}
}
else if (IS_VECTOR(value)) {
Set_Vector_Value(vars, series, index);
}
else if (IS_MAP(value)) {
REBVAL *val = BLK_SKIP(series, index | 1);
if (!IS_NONE(val)) {
if (j == 0) {
*vars = *BLK_SKIP(series, index & ~1);
if (IS_END(vars+1)) index++; // only words
}
else if (j == 1)
*vars = *BLK_SKIP(series, index);
else
Trap_Arg(words);
j++;
}
else {
index += 2;
goto skip_hidden;
}
}
else { // A string or binary
if (IS_BINARY(value)) {
SET_INTEGER(vars, (REBI64)(BIN_HEAD(series)[index]));
}
else if (IS_IMAGE(value)) {
Set_Tuple_Pixel(BIN_SKIP(series, index), vars);
}
else {
VAL_SET(vars, REB_CHAR);
VAL_CHAR(vars) = GET_ANY_CHAR(series, index);
}
}
index++;
}
else SET_NONE(vars);
}
// var spec is WORD:
else if (IS_SET_WORD(words)) {
if (ANY_OBJECT(value) || IS_MAP(value)) {
*vars = *value;
} else {
VAL_SET(vars, REB_BLOCK);
VAL_SERIES(vars) = series;
VAL_INDEX(vars) = index;
}
//if (index < tail) index++; // do not increment block.
}
else Trap_Arg(words);
}
ds = Do_Blk(body, 0);
if (THROWN(ds)) {
if ((err = Check_Error(ds)) >= 0) break;
// else CONTINUE:
if (mode == 1) SET_FALSE(ds); // keep the value (for mode == 1)
} else {
err = 0; // prevent later test against uninitialized value
}
if (mode > 0) {
//if (ANY_OBJECT(value)) Trap_Types(words, REB_BLOCK, VAL_TYPE(value)); //check not needed
// If FALSE return, copy values to the write location:
if (mode == 1) { // remove-each
if (IS_FALSE(ds)) {
REBCNT wide = SERIES_WIDE(series);
// memory areas may overlap, so use memmove and not memcpy!
memmove(series->data + (windex * wide), series->data + (rindex * wide), (index - rindex) * wide);
windex += index - rindex;
// old: while (rindex < index) *BLK_SKIP(series, windex++) = *BLK_SKIP(series, rindex++);
}
}
else
if (!IS_UNSET(ds)) Append_Val(out, ds); // (mode == 2)
}
skip_hidden: ;
}
// Finish up:
if (mode == 1) {
// Remove hole (updates tail):
if (windex < index) Remove_Series(series, windex, index - windex);
SET_INTEGER(DS_RETURN, index - windex);
return R_RET;
}
// If MAP and not BREAK/RETURN:
if (mode == 2 && err != 2) return R_RET;
return R_TOS1;
}
