*/ void New_Indented_Line(REB_MOLD *mold)
/*
** Create a newline with auto-indent on next line if needed.
**
***********************************************************************/
{
REBINT n;
REBUNI *cp = 0;
// Check output string has content already but no terminator:
if (mold->series->tail) {
cp = UNI_LAST(mold->series);
if (*cp == ' ' || *cp == '\t') *cp = '\n';
else cp = 0;
}
// Add terminator:
if (!cp) Append_Byte(mold->series, '\n');
// Add proper indentation:
if (!GET_MOPT(mold, MOPT_INDENT)) {
for (n = 0; n < mold->indent; n++)
Append_Bytes(mold->series, " ");
}
}
*/ static void Scan_Error(REBCNT errnum, SCAN_STATE *ss, REBCNT tkn, REBYTE *arg, REBCNT size, REBVAL *relax)
/*
** Scanner error handler
**
***********************************************************************/
{
ERROR_OBJ *error;
REBSER *errs;
REBYTE *name;
REBYTE *cp;
REBYTE *bp;
REBSER *ser;
REBCNT len = 0;
ss->errors++;
if (PG_Boot_Strs)
name = BOOT_STR(RS_SCAN,tkn);
else
name = (REBYTE*)"boot";
cp = ss->head_line;
while (IS_LEX_SPACE(*cp)) cp++; // skip indentation
bp = cp;
while (NOT_NEWLINE(*cp)) cp++, len++;
//DISABLE_GC;
errs = Make_Error(errnum, 0, 0, 0);
error = (ERROR_OBJ *)FRM_VALUES(errs);
ser = Make_Binary(len + 16);
Append_Bytes(ser, "(line ");
Append_Int(ser, ss->line_count);
Append_Bytes(ser, ") ");
Append_Series(ser, (REBYTE*)bp, len);
Set_String(&error->nearest, ser);
Set_String(&error->arg1, Copy_Bytes(name, -1));
Set_String(&error->arg2, Copy_Bytes(arg, size));
if (relax) {
SET_ERROR(relax, errnum, errs);
//ENABLE_GC;
return;
}
Throw_Error(errs); // ENABLE_GC implied
}
STOID Mold_Logic(REB_MOLD *mold, REBVAL *value)
{
REBYTE buf[20];
Pre_Mold(value, mold);
INT_TO_STR(VAL_LOGIC(value), buf);
Append_Bytes(mold->series, buf);
Append_Byte(mold->series, ' ');
old_Block_Series(mold, BLK_HEAD(VAL_LOGIC_WORDS(value)), 0);
End_Mold(mold);
}
STOID Mold_Block_Series(REB_MOLD *mold, REBSER *series, REBCNT index, REBYTE *sep)
{
REBSER *out = mold->series;
REBOOL line_flag = FALSE; // newline was part of block
REBOOL had_lines = FALSE;
REBVAL *value = BLK_SKIP(series, index);
if (!sep) sep = "[]";
if (IS_END(value)) {
Append_Bytes(out, sep);
return;
}
// Recursion check: (variation of: Find_Same_Block(MOLD_LOOP, value))
for (value = BLK_HEAD(MOLD_LOOP); NOT_END(value); value++) {
if (VAL_SERIES(value) == series) {
Emit(mold, "C...C", sep[0], sep[1]);
return;
}
}
value = Append_Value(MOLD_LOOP);
Set_Block(value, series);
if (sep[1]) {
Append_Byte(out, sep[0]);
mold->indent++;
}
// else out->tail--; // why?????
value = BLK_SKIP(series, index);
while (NOT_END(value)) {
if (VAL_GET_LINE(value)) {
if (sep[1] || line_flag) New_Indented_Line(mold);
had_lines = TRUE;
}
line_flag = TRUE;
Mold_Value(mold, value, TRUE);
value++;
if (NOT_END(value))
Append_Byte(out, (sep[0] == '/') ? '/' : ' ');
}
if (sep[1]) {
mold->indent--;
if (VAL_GET_LINE(value) || had_lines) New_Indented_Line(mold);
Append_Byte(out, sep[1]);
}
Remove_Last(MOLD_LOOP);
}
xx*/ REBSER *Dump_Value(REBVAL *block, REBSER *series)
/*
** Dump a values's contents for debugging purposes.
**
***********************************************************************/
{
REB_MOLD mo = {0};
mo.digits = 17; // max digits
if (VAL_TYPE(block) >= REB_MAX) Crash(RP_DATATYPE+7, VAL_TYPE(block));
ASSERT2(series, 9997);
mo.series = series;
Emit(&mo, "T: ", block);
Mold_Value(&mo, block, TRUE);
if (ANY_WORD(block)) {
if (!VAL_WORD_FRAME(block)) Append_Bytes(series, " - unbound");
else if (VAL_WORD_INDEX(block) < 0) Append_Bytes(series, " - relative");
else Append_Bytes(series, " - absolute");
}
return series;
}
STOID Mold_Simple_Block(REB_MOLD *mold, REBVAL *block, REBCNT len)
{
// Simple molder for error locations. Series must be valid.
// Max length in chars must be provided.
REBCNT start = SERIES_TAIL(mold->series);
while (NOT_END(block)) {
if ((SERIES_TAIL(mold->series) - start) > len) break;
Mold_Value(mold, block, TRUE);
block++;
if (NOT_END(block)) Append_Byte(mold->series, ' ');
}
// If it's too large, truncate it:
if ((SERIES_TAIL(mold->series) - start) > len) {
SERIES_TAIL(mold->series) = start + len;
Append_Bytes(mold->series, "...");
}
}
*/ REBSER *Mold_Print_Value(REBVAL *value, REBCNT limit, REBFLG mold)
/*
** Basis function for print. Can do a form or a mold based
** on the mold flag setting. Can limit string output to a
** specified size to prevent long console garbage output.
**
***********************************************************************/
{
REB_MOLD mo = {0};
Reset_Mold(&mo);
Mold_Value(&mo, value, mold);
if (limit != 0 && STR_LEN(mo.series) > limit) {
SERIES_TAIL(mo.series) = limit;
Append_Bytes(mo.series, "..."); // adds a null at the tail
}
return mo.series;
}
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);
}
xx*/ void Dump_Block(REBVAL *blk, REBINT len)
/*
** Dump a block's contents for debugging purposes.
**
***********************************************************************/
{
REBSER *series;
//REBVAL *blk = BLK_HEAD(block);
//Print("BLOCK: %x Tail: %d Size: %d", block, block->tail, block->rest);
// change to a make string!!! no need to append to a series, this is a debug function
series = Make_Binary(100);
Append_Bytes(series, "[\n");
while (NOT_END(blk) && len-- > 0) {
Append_Byte(series, '\t');
Dump_Value(blk, series);
Append_Byte(series, '\n');
blk++;
}
Append_Byte(series, ']');
*STR_TAIL(series) = 0;
Debug_Str(STR_HEAD(series));
}
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);
}
*/ void Mold_Binary(REBVAL *value, REB_MOLD *mold)
/*
***********************************************************************/
{
REBCNT len = VAL_LEN(value);
REBSER *out;
switch (Get_System_Int(SYS_OPTIONS, OPTIONS_BINARY_BASE, 16)) {
default:
case 16:
out = Encode_Base16(value, 0, len > 32);
break;
case 64:
Append_Bytes(mold->series, "64");
out = Encode_Base64(value, 0, len > 64);
break;
case 2:
Append_Byte(mold->series, '2');
out = Encode_Base2(value, 0, len > 8);
break;
}
Emit(mold, "#{E}", out);
}
*/ REBSER *Emit(REB_MOLD *mold, REBYTE *fmt, ...)
/*
***********************************************************************/
{
va_list args;
REBYTE ender = 0;
REBSER *series = mold->series;
ASSERT2(SERIES_WIDE(series) ==2, 9997);
va_start(args, fmt);
for (; *fmt; fmt++) {
switch (*fmt) {
case 'W': // Word symbol
Append_UTF8(series, Get_Word_Name(va_arg(args, REBVAL*)), -1);
break;
case 'V': // Value
Mold_Value(mold, va_arg(args, REBVAL*), TRUE);
break;
case 'S': // String of bytes
Append_Bytes(series, va_arg(args, REBYTE*));
break;
case 'C': // Char
Append_Byte(series, va_arg(args, REBCNT));
break;
case 'E': // Series (byte or uni)
{
REBSER *src = va_arg(args, REBSER*);
Insert_String(series, SERIES_TAIL(series), src, 0, SERIES_TAIL(src), 0);
}
break;
case 'I': // Integer
Append_Int(series, va_arg(args, REBINT));
break;
case 'i':
Append_Int_Pad(series, va_arg(args, REBINT), -9);
Trim_Tail(mold->series, '0');
break;
case '2': // 2 digit int (for time)
Append_Int_Pad(series, va_arg(args, REBINT), 2);
break;
case 'T': // Type name
Append_UTF8(series, Get_Type_Name(va_arg(args, REBVAL*)), -1);
break;
case 'N': // Symbol name
Append_UTF8(series, Get_Sym_Name(va_arg(args, REBCNT)), -1);
break;
case '+': // Add #[ if mold/all
if (GET_MOPT(mold, MOPT_MOLD_ALL)) {
Append_Bytes(series, "#[");
ender = ']';
}
break;
case 'D': // Datatype symbol: #[type
if (ender) {
Append_UTF8(series, Get_Sym_Name(va_arg(args, REBCNT)), -1);
Append_Byte(series, ' ');
} else va_arg(args, REBCNT); // ignore it
break;
case 'B': // Boot string
Append_Boot_Str(series, va_arg(args, REBINT));
break;
default:
Append_Byte(series, *fmt);
}
}
va_end(args);
if (ender) Append_Byte(series, ender);
return series;
}
STOID Mold_Block(REBVAL *value, REB_MOLD *mold)
{
REBYTE *sep;
REBOOL all = GET_MOPT(mold, MOPT_MOLD_ALL);
REBSER *series = mold->series;
REBFLG over = FALSE;
if (SERIES_WIDE(VAL_SERIES(value)) == 0)
Crash(RP_BAD_WIDTH, sizeof(REBVAL), 0, VAL_TYPE(value));
// Optimize when no index needed:
if (VAL_INDEX(value) == 0 && !IS_MAP(value)) // && (VAL_TYPE(value) <= REB_LIT_PATH))
all = FALSE;
// If out of range, do not cause error to avoid error looping.
if (VAL_INDEX(value) >= VAL_TAIL(value)) over = TRUE; // Force it into []
if (all || (over && !IS_BLOCK(value) && !IS_PAREN(value))) {
SET_FLAG(mold->opts, MOPT_MOLD_ALL);
Pre_Mold(value, mold); // #[block! part
//if (over) Append_Bytes(mold->series, "[]");
//else
Mold_Block_Series(mold, VAL_SERIES(value), 0, 0);
Post_Mold(value, mold);
}
else
{
switch(VAL_TYPE(value)) {
case REB_MAP:
Pre_Mold(value, mold);
sep = 0;
case REB_BLOCK:
if (GET_MOPT(mold, MOPT_ONLY)) {
CLR_FLAG(mold->opts, MOPT_ONLY); // only top level
sep = "\000\000";
}
else sep = 0;
break;
case REB_PAREN:
sep = "()";
break;
case REB_GET_PATH:
series = Append_Byte(series, ':');
sep = "/";
break;
case REB_LIT_PATH:
series = Append_Byte(series, '\'');
/* fall through */
case REB_PATH:
case REB_SET_PATH:
sep = "/";
break;
}
if (over) Append_Bytes(mold->series, sep ? sep : (REBYTE*)("[]"));
else Mold_Block_Series(mold, VAL_SERIES(value), VAL_INDEX(value), sep);
if (VAL_TYPE(value) == REB_SET_PATH)
Append_Byte(series, ':');
}
}
STOID Mold_String_Series(REBVAL *value, REB_MOLD *mold)
{
REBCNT len = VAL_LEN(value);
REBSER *ser = VAL_SERIES(value);
REBCNT idx = VAL_INDEX(value);
REB_STRF sf = {0};
REBYTE *bp;
REBUNI *up;
REBUNI *dp;
REBOOL uni = !BYTE_SIZE(ser);
REBCNT n;
REBUNI c;
// Empty string:
if (idx >= VAL_TAIL(value)) {
Append_Bytes(mold->series, "\"\""); //Trap0(RE_PAST_END);
return;
}
Sniff_String(ser, idx, &sf);
if (!GET_MOPT(mold, MOPT_ANSI_ONLY)) sf.paren = 0;
// Source can be 8 or 16 bits:
if (uni) up = UNI_HEAD(ser);
else bp = STR_HEAD(ser);
// If it is a short quoted string, emit it as "string":
if (len <= MAX_QUOTED_STR && sf.quote == 0 && sf.newline < 3) {
dp = Prep_Uni_Series(mold, len + sf.newline + sf.escape + sf.paren + sf.chr1e + 2);
*dp++ = '"';
for (n = idx; n < VAL_TAIL(value); n++) {
c = uni ? up[n] : (REBUNI)(bp[n]);
dp = Emit_Uni_Char(dp, c, (REBOOL)GET_MOPT(mold, MOPT_ANSI_ONLY)); // parened
}
*dp++ = '"';
*dp = 0;
return;
}
// It is a braced string, emit it as {string}:
if (!sf.malign) sf.brace_in = sf.brace_out = 0;
dp = Prep_Uni_Series(mold, len + sf.brace_in + sf.brace_out + sf.escape + sf.paren + sf.chr1e + 2);
*dp++ = '{';
for (n = idx; n < VAL_TAIL(value); n++) {
c = uni ? up[n] : (REBUNI)(bp[n]);
switch (c) {
case '{':
case '}':
if (sf.malign) {
*dp++ = '^';
*dp++ = c;
break;
}
case '\n':
case '"':
*dp++ = c;
break;
default:
dp = Emit_Uni_Char(dp, c, (REBOOL)GET_MOPT(mold, MOPT_ANSI_ONLY)); // parened
}
}
*dp++ = '}';
*dp = 0;
}
*/ void Mold_Value(REB_MOLD *mold, REBVAL *value, REBFLG molded)
/*
** Mold or form any value to string series tail.
**
***********************************************************************/
{
REBYTE buf[60];
REBINT len;
REBSER *ser = mold->series;
CHECK_STACK(&len);
ASSERT2(SERIES_WIDE(mold->series) == sizeof(REBUNI), RP_BAD_SIZE);
ASSERT2(ser, RP_NO_BUFFER);
// Special handling of string series: {
if (ANY_STR(value) && !IS_TAG(value)) {
// Forming a string:
if (!molded) {
Insert_String(ser, -1, VAL_SERIES(value), VAL_INDEX(value), VAL_LEN(value), 0);
return;
}
// Special format for ALL string series when not at head:
if (GET_MOPT(mold, MOPT_MOLD_ALL) && VAL_INDEX(value) != 0) {
Mold_All_String(value, mold);
return;
}
}
switch (VAL_TYPE(value)) {
case REB_NONE:
Emit(mold, "+N", SYM_NONE);
break;
case REB_LOGIC:
// if (!molded || !VAL_LOGIC_WORDS(value) || !GET_MOPT(mold, MOPT_MOLD_ALL))
Emit(mold, "+N", VAL_LOGIC(value) ? SYM_TRUE : SYM_FALSE);
// else
// Mold_Logic(mold, value);
break;
case REB_INTEGER:
len = Emit_Integer(buf, VAL_INT64(value));
goto append;
case REB_DECIMAL:
case REB_PERCENT:
len = Emit_Decimal(buf, VAL_DECIMAL(value), IS_PERCENT(value)?DEC_MOLD_PERCENT:0,
Punctuation[GET_MOPT(mold, MOPT_COMMA_PT) ? PUNCT_COMMA : PUNCT_DOT], mold->digits);
goto append;
case REB_MONEY:
len = Emit_Money(value, buf, mold->opts);
goto append;
case REB_CHAR:
Mold_Uni_Char(ser, VAL_CHAR(value), (REBOOL)molded, (REBOOL)GET_MOPT(mold, MOPT_MOLD_ALL));
break;
case REB_PAIR:
len = Emit_Decimal(buf, VAL_PAIR_X(value), DEC_MOLD_MINIMAL, Punctuation[PUNCT_DOT], mold->digits/2);
Append_Bytes_Len(ser, buf, len);
Append_Byte(ser, 'x');
len = Emit_Decimal(buf, VAL_PAIR_Y(value), DEC_MOLD_MINIMAL, Punctuation[PUNCT_DOT], mold->digits/2);
Append_Bytes_Len(ser, buf, len);
//Emit(mold, "IxI", VAL_PAIR_X(value), VAL_PAIR_Y(value));
break;
case REB_TUPLE:
len = Emit_Tuple(value, buf);
goto append;
case REB_TIME:
//len = Emit_Time(value, buf, Punctuation[GET_MOPT(mold, MOPT_COMMA_PT) ? PUNCT_COMMA : PUNCT_DOT]);
Emit_Time(mold, value);
break;
case REB_DATE:
Emit_Date(mold, value);
break;
case REB_STRING:
// FORM happens in top section.
Mold_String_Series(value, mold);
break;
case REB_BINARY:
if (GET_MOPT(mold, MOPT_MOLD_ALL) && VAL_INDEX(value) != 0) {
Mold_All_String(value, mold);
return;
}
Mold_Binary(value, mold);
break;
case REB_FILE:
if (VAL_LEN(value) == 0) {
Append_Bytes(ser, "%\"\"");
break;
}
Mold_File(value, mold);
break;
case REB_EMAIL:
case REB_URL:
Mold_Url(value, mold);
break;
case REB_TAG:
if (GET_MOPT(mold, MOPT_MOLD_ALL) && VAL_INDEX(value) != 0) {
Mold_All_String(value, mold);
return;
}
Mold_Tag(value, mold);
break;
// Mold_Issue(value, mold);
// break;
case REB_BITSET:
Pre_Mold(value, mold); // #[bitset! or make bitset!
Mold_Bitset(value, mold);
End_Mold(mold);
break;
case REB_IMAGE:
Pre_Mold(value, mold);
if (!GET_MOPT(mold, MOPT_MOLD_ALL)) {
Append_Byte(ser, '[');
Mold_Image_Data(value, mold);
Append_Byte(ser, ']');
End_Mold(mold);
}
else {
REBVAL val = *value;
VAL_INDEX(&val) = 0; // mold all of it
Mold_Image_Data(&val, mold);
Post_Mold(value, mold);
}
break;
case REB_BLOCK:
case REB_PAREN:
if (!molded)
Form_Block_Series(VAL_SERIES(value), VAL_INDEX(value), mold, 0);
else
Mold_Block(value, mold);
break;
case REB_PATH:
case REB_SET_PATH:
case REB_GET_PATH:
case REB_LIT_PATH:
Mold_Block(value, mold);
break;
case REB_VECTOR:
Mold_Vector(value, mold, molded);
break;
case REB_DATATYPE:
if (!molded)
Emit(mold, "N", VAL_DATATYPE(value) + 1);
else
Emit(mold, "+DN", SYM_DATATYPE_TYPE, VAL_DATATYPE(value) + 1);
break;
case REB_TYPESET:
Mold_Typeset(value, mold, molded);
break;
case REB_WORD:
// This is a high frequency function, so it is optimized.
Append_UTF8(ser, Get_Sym_Name(VAL_WORD_SYM(value)), -1);
break;
case REB_SET_WORD:
Emit(mold, "W:", value);
break;
case REB_GET_WORD:
Emit(mold, ":W", value);
break;
case REB_LIT_WORD:
Emit(mold, "\'W", value);
break;
case REB_REFINEMENT:
Emit(mold, "/W", value);
break;
case REB_ISSUE:
Emit(mold, "#W", value);
break;
case REB_CLOSURE:
case REB_FUNCTION:
case REB_NATIVE:
case REB_ACTION:
case REB_COMMAND:
Mold_Function(value, mold);
break;
case REB_OBJECT:
case REB_MODULE:
case REB_PORT:
if (!molded) Form_Object(value, mold);
else Mold_Object(value, mold);
break;
case REB_TASK:
Mold_Object(value, mold); //// | (1<<MOPT_NO_NONE));
break;
case REB_ERROR:
Mold_Error(value, mold, molded);
break;
case REB_MAP:
Mold_Map(value, mold, molded);
break;
case REB_GOB:
{
REBSER *blk;
Pre_Mold(value, mold);
blk = Gob_To_Block(VAL_GOB(value));
Mold_Block_Series(mold, blk, 0, 0);
End_Mold(mold);
}
break;
case REB_EVENT:
Mold_Event(value, mold);
break;
case REB_REBCODE:
case REB_OP:
case REB_FRAME:
case REB_HANDLE:
case REB_STRUCT:
case REB_LIBRARY:
case REB_UTYPE:
// Value has no printable form, so just print its name.
if (!molded) Emit(mold, "?T?", value);
else Emit(mold, "+T", value);
break;
case REB_END:
case REB_UNSET:
if (molded) Emit(mold, "+T", value);
break;
default:
Crash(RP_DATATYPE+5, VAL_TYPE(value));
}
return;
append:
Append_Bytes_Len(ser, buf, len);
}
