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Add UNRAVEL , dumps call stack #197

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merged 2 commits into from
Jan 20, 2025
Merged

Add UNRAVEL , dumps call stack #197

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8921d00
Add UNRAVEL , dumps call stack
philburk Jan 6, 2025
07a3109
Bump FILE_VERSION to 13 for R0
philburk Jan 20, 2025
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5 changes: 3 additions & 2 deletions csrc/pf_guts.h
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Original file line number Diff line number Diff line change
Expand Up @@ -54,9 +54,10 @@
** FV10 - 20170103 - Added ID_FILE_FLUSH ID_FILE_RENAME ID_FILE_RESIZE
** FV11 - 20241226 - Added ID_SLEEP_P, ID_VAR_BYE_CODE, ID_VERSION_CODE
** FV12 - 20241227 - Added Long name support, ID_FLAG_SMUDGE, ID_MASK_NAME_SIZE
** FV13 - 20250120 - Added R0 for UNRAVEL
*/

#define PF_FILE_VERSION (12) /* Bump this whenever primitives added. */
#define PF_FILE_VERSION (13) /* Bump this whenever primitives added. */

#if defined(PF_SUPPORT_LONG_NAMES)
#define PF_EARLIEST_FILE_VERSION (12) /* earliest one still compatible */
Expand Down Expand Up @@ -323,6 +324,7 @@ enum cforth_primitive_ids
ID_VERSION_CODE,
ID_FLAG_SMUDGE,
ID_MASK_NAME_SIZE,
ID_R_ZERO, /* R0 , base of return stack */
/* If you add a word above here,
** 1. update PF_FILE_VERSION
** 2. take away one reserved word below
Expand All @@ -331,7 +333,6 @@ enum cforth_primitive_ids
/* Only reserve space if we are adding FP so that we can detect
** unsupported primitives when loading dictionary.
*/
ID_RESERVED05,
ID_RESERVED06,
ID_RESERVED07,
ID_RESERVED08,
Expand Down
5 changes: 5 additions & 0 deletions csrc/pf_inner.c
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Expand Up @@ -1598,6 +1598,11 @@ DBUG(("XX ah,m,l = 0x%8x,%8x,%8x - qh,l = 0x%8x,%8x\n", ah,am,al, qh,ql ));
M_DROP;
endcase;

case ID_R_ZERO: /* ( -- rbase , base of return stack ) */
PUSH_TOS;
TOS = (cell_t)gCurrentTask->td_ReturnBase;
endcase;

case ID_ROLL: /* ( xu xu-1 xu-1 ... x0 u -- xu-1 xu-1 ... x0 xu ) */
{
cell_t ri;
Expand Down
1 change: 1 addition & 0 deletions csrc/pfcompil.c
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Expand Up @@ -337,6 +337,7 @@ PForthDictionary pfBuildDictionary( cell_t HeaderSize, cell_t CodeSize )
CreateDicEntryC( ID_R_FROM, "R>", 0 );
CreateDicEntryC( ID_RP_FETCH, "RP@", 0 );
CreateDicEntryC( ID_RP_STORE, "RP!", 0 );
CreateDicEntryC( ID_R_ZERO, "R0", 0 );
CreateDicEntryC( ID_SEMICOLON, ";", FLAG_IMMEDIATE );
CreateDicEntryC( ID_SP_FETCH, "SP@", 0 );
CreateDicEntryC( ID_SP_STORE, "SP!", 0 );
Expand Down
16 changes: 16 additions & 0 deletions fth/misc1.fth
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Expand Up @@ -182,3 +182,19 @@ variable CLOSEST-XT
UNTIL
THEN
;

: UNRAVEL ( -- , show names of words on return stack )
>newline ." Calling sequence:" cr
r0 rp@ - cell /
1- \ skip call into unravel
0 max 50 min \ clip to reasonable range
0
?DO 4 spaces
rp@ i 2+ \ skip over DO LOOP control and call to UNRAVEL
cell* + @
dup code> >name ?dup
IF id. drop
ELSE .
THEN cr?
LOOP cr
;
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