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| 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 (); |
| } | } |