version 1.17, 2025/04/28 19:38:55
|
version 1.26, 2025/05/19 02:03:31
|
Line 24
|
Line 24
|
* along with FreeM. If not, see <https://www.gnu.org/licenses/>. |
* along with FreeM. If not, see <https://www.gnu.org/licenses/>. |
* |
* |
* $Log$ |
* $Log$ |
|
* Revision 1.26 2025/05/19 02:03:31 snw |
|
* Reverse-engineer and document argumented ZPRINT (thanks to D. Wicksell) |
|
* |
|
* Revision 1.25 2025/05/18 18:15:38 snw |
|
* Add ZEDIT command for editing routines |
|
* |
|
* Revision 1.24 2025/05/14 12:22:04 snw |
|
* Further work on shared memory |
|
* |
|
* Revision 1.23 2025/05/06 16:10:06 snw |
|
* Add extra blank before readline call on NetBSD |
|
* |
|
* Revision 1.22 2025/05/05 14:53:17 snw |
|
* Modify rpm spec to include documentation TODO |
|
* |
|
* Revision 1.21 2025/05/01 17:02:30 snw |
|
* Further debugging improvements |
|
* |
|
* Revision 1.20 2025/04/30 17:19:16 snw |
|
* Improve backtraces in debugger |
|
* |
|
* Revision 1.19 2025/04/30 14:41:03 snw |
|
* Further debugger work |
|
* |
|
* Revision 1.18 2025/04/29 18:46:17 snw |
|
* Begin work on interactive debugger |
|
* |
* Revision 1.17 2025/04/28 19:38:55 snw |
* Revision 1.17 2025/04/28 19:38:55 snw |
* Add trace mode |
* Add trace mode |
* |
* |
Line 168 int xecline(int typ)
|
Line 195 int xecline(int typ)
|
short new_and_set = FALSE; |
short new_and_set = FALSE; |
short new_object = FALSE; |
short new_object = FALSE; |
short destructor_run = FALSE; |
short destructor_run = FALSE; |
short debug_mode = FALSE; |
|
short libcall = FALSE; |
short libcall = FALSE; |
char *namold; |
char *namold; |
long rouoldc; |
long rouoldc; |
Line 191 int xecline(int typ)
|
Line 217 int xecline(int typ)
|
|
|
char *reeval_codptr; |
char *reeval_codptr; |
char reeval_code[512]; |
char reeval_code[512]; |
|
char entryref[256]; |
|
|
int i; |
int i; |
int j; |
int j; |
Line 240 int xecline(int typ)
|
Line 267 int xecline(int typ)
|
|
|
next_line: /* entry point for next command line */ |
next_line: /* entry point for next command line */ |
|
|
|
if (debug_mode) { |
|
debug_mode = debugger (DEBENTRY_LINE, entryref); |
|
} |
|
|
job_set_status (pid, JSTAT_INTERPRETER); |
job_set_status (pid, JSTAT_INTERPRETER); |
|
|
if (then_ctr > 0) { |
if (then_ctr > 0) { |
Line 288 next_line: /* entry point for n
|
Line 318 next_line: /* entry point for n
|
codptr = code; |
codptr = code; |
|
|
next_cmnd: /* continue line entry point */ |
next_cmnd: /* continue line entry point */ |
|
getraddress (entryref, nstx); |
|
if (debug_mode) { |
|
debug_mode = debugger (DEBENTRY_CMD, entryref); |
|
} |
|
|
if (sigint_in_for) goto for_quit; |
if (sigint_in_for) goto for_quit; |
|
|
if (forsw && (forpost[forx][0] != '\0')) { |
if (forsw && (forpost[forx][0] != '\0')) { |
Line 2610 quit0:
|
Line 2645 quit0:
|
printf ("CHECK 03 (Stack PUSH)\r\n"); |
printf ("CHECK 03 (Stack PUSH)\r\n"); |
#endif |
#endif |
|
|
|
|
if (++nstx > NESTLEVLS) { |
if (++nstx > NESTLEVLS) { |
nstx--; |
nstx--; |
merr_raise (STKOV); |
merr_raise (STKOV); |
Line 2636 quit0:
|
Line 2670 quit0:
|
nestn[nstx] = 0; /* no overring of routine */ |
nestn[nstx] = 0; /* no overring of routine */ |
nestr[nstx] = roucur - rouptr; /* save roucur: only for $V(26) needed */ |
nestr[nstx] = roucur - rouptr; /* save roucur: only for $V(26) needed */ |
ztrap[nstx][0] = EOL; |
ztrap[nstx][0] = EOL; |
|
|
|
|
forsw = TRUE; |
forsw = TRUE; |
ftyp = 0; /* no args is FOREVER */ |
ftyp = 0; /* no args is FOREVER */ |
Line 4944 open_socket:
|
Line 4978 open_socket:
|
if (merr () > OK) break; |
if (merr () > OK) break; |
} |
} |
else { |
else { |
halt:i = 0; |
halt: |
|
i = 0; |
} |
} |
|
|
cleanup (); |
cleanup (); |
Line 5143 open_socket:
|
Line 5178 open_socket:
|
expr (STRING); |
expr (STRING); |
if (merr () > OK) break; |
if (merr () > OK) break; |
|
|
switch (intexpr (argptr)) { |
{ |
|
char brkstr[256]; |
case 2: |
|
DSM2err = TRUE; |
stcpy (brkstr, argptr); |
break; /* enable DSM V 2 error processing */ |
stcnv_m2c (brkstr); |
|
|
case -2: |
if (strcmp (brkstr, "DEBUG") == 0) { |
DSM2err = FALSE; |
debug_mode = TRUE; |
break; /* enable normal error processing */ |
} |
|
else { |
case 0: |
switch (intexpr (argptr)) { |
breakon = FALSE; |
|
break; /* disable CTRL/C */ |
case 2: |
|
DSM2err = TRUE; |
default: |
break; /* enable DSM V 2 error processing */ |
breakon = TRUE; |
|
break; /* enable CTRL/C */ |
case -2: |
|
DSM2err = FALSE; |
|
break; /* enable normal error processing */ |
|
|
|
case 0: |
|
breakon = FALSE; |
|
break; /* disable CTRL/C */ |
|
|
|
default: |
|
breakon = TRUE; |
|
break; /* enable CTRL/C */ |
|
} |
|
} |
} |
} |
|
|
break; |
break; |
|
|
case VIEW: |
case VIEW: |
Line 5250 open_socket:
|
Line 5298 open_socket:
|
break; |
break; |
|
|
/* Z-COMMANDS */ |
/* Z-COMMANDS */ |
|
case ZEDIT: |
|
merr_raise (cmd_zedit (&ra)); |
|
MRESCHECK(ra); |
|
break; |
|
|
case ZGO: |
case ZGO: |
|
|
/* ZGO with arguments: same as GOTO but with BREAK on */ |
/* ZGO with arguments: same as GOTO but with BREAK on */ |
Line 5389 zgo:
|
Line 5442 zgo:
|
merr_raise (NOPGM); |
merr_raise (NOPGM); |
|
|
break; |
break; |
} /*error */ |
} /* error */ |
|
|
stcpy (varnam, rou_name); |
stcpy (varnam, rou_name); |
} |
} |
Line 5525 zgo:
|
Line 5578 zgo:
|
if (*codptr == EOL || *codptr == SP) { |
if (*codptr == EOL || *codptr == SP) { |
merr_raise (ARGLIST); |
merr_raise (ARGLIST); |
break; |
break; |
} /*error */ |
} /* error */ |
|
|
dosave[0] = EOL; |
dosave[0] = EOL; |
|
|
/* parse stringlit */ |
/* parse strlit */ |
expr (STRING); |
expr (STRING); |
|
|
if (merr () > OK) break; |
if (merr () > OK) break; |
Line 6725 syn_evt_loop_bottom:
|
Line 6778 syn_evt_loop_bottom:
|
if (ch != ',' && merr () == OK) { |
if (ch != ',' && merr () == OK) { |
merr_raise (SPACER); |
merr_raise (SPACER); |
} |
} |
else if ((ierr <= OK) || (debug_mode == TRUE)) { |
else if (ierr <= OK) { |
if (debug_mode) goto direct_mode; |
|
if (*++codptr != SP && *codptr != EOL) goto again; |
if (*++codptr != SP && *codptr != EOL) goto again; |
|
|
merr_raise (ARGLIST); |
merr_raise (ARGLIST); |
Line 6768 err:
|
Line 6820 err:
|
} |
} |
} |
} |
|
|
|
|
if (merr () > OK ) { |
if (merr () > OK ) { |
|
|
char er_buf[ERRLEN]; |
char er_buf[ERRLEN]; |
Line 6777 err:
|
Line 6830 err:
|
stcpy (er_buf, errmes[merr ()]); |
stcpy (er_buf, errmes[merr ()]); |
stcnv_m2c (er_buf); |
stcnv_m2c (er_buf); |
|
|
|
|
#if !defined(MSDOS) |
#if !defined(MSDOS) |
logprintf (FM_LOG_DEBUG, "xecline: interpreter error %d [%s]", ierr, er_buf); |
logprintf (FM_LOG_DEBUG, "xecline: interpreter error %d [%s]", ierr, er_buf); |
#endif |
#endif |
Line 7149 restart:
|
Line 7203 restart:
|
|
|
|
|
free (t_nsn); |
free (t_nsn); |
|
|
} |
} |
|
|
|
|
Line 7210 restore:
|
Line 7265 restore:
|
|
|
goto next_cmnd; |
goto next_cmnd; |
} |
} |
else { |
|
if (debug_mode) goto direct_mode; |
|
} |
|
|
|
if (libcall == TRUE) { /* library mode: don't go to direct mode, just return */ |
if (libcall == TRUE) { /* library mode: don't go to direct mode, just return */ |
return merr (); |
return merr (); |
Line 7252 direct_mode:
|
Line 7304 direct_mode:
|
set_io (UNIX); |
set_io (UNIX); |
|
|
job_set_status (pid, JSTAT_DIRECTMODE); |
job_set_status (pid, JSTAT_DIRECTMODE); |
|
|
|
#if defined(__NetBSD__) |
|
printf ("\r\n"); |
|
#endif |
|
|
/* readline() does its own malloc() */ |
/* readline() does its own malloc() */ |
fmrl_buf = readline (fmrl_prompt); |
fmrl_buf = readline (fmrl_prompt); |
|
|
Line 7263 direct_mode:
|
Line 7319 direct_mode:
|
|
|
goto halt; |
goto halt; |
} |
} |
|
|
|
|
if (strlen (fmrl_buf) > 0) { |
if (strlen (fmrl_buf) > 0) { |
add_history (fmrl_buf); |
add_history (fmrl_buf); |
Line 7289 direct_mode:
|
Line 7346 direct_mode:
|
} |
} |
|
|
} |
} |
else if (strcmp (fmrl_buf, "step") == 0) { |
|
debug_mode = TRUE; |
|
goto zgo; |
|
} |
|
else if ((strcmp (fmrl_buf, "cont") == 0) || (strcmp (fmrl_buf, "continue") == 0)) { |
|
debug_mode = FALSE; |
|
} |
|
else if (strcmp (fmrl_buf, "rbuf") == 0) { |
else if (strcmp (fmrl_buf, "rbuf") == 0) { |
rbuf_dump (); |
rbuf_dump (); |
} |
} |