freem/src/xecline.c - diff

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Diff for /freem/src/xecline.c between versions 1.2 and 1.15

version 1.2, 2025/02/28 20:51:20	version 1.15, 2025/04/15 16:49:36
Line 1	Line 1
/*	/*
* *	* $Id$
* * *
* * *
* ***************
* * * * *
* * MUMPS *
* * * * *
* ***************
* * *
* * *
* *
*
* xecline.c
* freem interpreter proper	* freem interpreter proper
*	*
*	*
* Author: Serena Willis <jpw@coherent-logic.com>	* Author: Serena Willis <snw@coherent-logic.com>
* Copyright (C) 1998 MUG Deutschland	* Copyright (C) 1998 MUG Deutschland
* Copyright (C) 2020 Coherent Logic Development LLC	* Copyright (C) 2020, 2025 Coherent Logic Development LLC
*	*
*	*
* This file is part of FreeM.	* This file is part of FreeM.
Line 35	Line 23
* You should have received a copy of the GNU Affero Public License	* You should have received a copy of the GNU Affero Public License
* along with FreeM. If not, see <https://www.gnu.org/licenses/>.	* along with FreeM. If not, see <https://www.gnu.org/licenses/>.
*	*
	* $Log$
	* Revision 1.15 2025/04/15 16:49:36 snw
	* Make use of logprintf throughout codebase
	*
	* Revision 1.14 2025/04/13 04:22:43 snw
	* Fix snprintf calls
	*
	* Revision 1.13 2025/04/10 01:24:39 snw
	* Remove C++ style comments
	*
	* Revision 1.12 2025/04/09 19:52:02 snw
	* Eliminate as many warnings as possible while building with -Wall
	*
	* Revision 1.11 2025/04/02 03:02:42 snw
	* Stop requiring users to pass -e to fmadm when -u or -g are passed
	*
	* Revision 1.10 2025/03/27 03:27:35 snw
	* Install init scripts to share/freem/examples/init and fix regression in method dispatch
	*
	* Revision 1.9 2025/03/24 04:13:12 snw
	* Replace action macro dat with fra_dat to avoid symbol conflict on OS/2
	*
	* Revision 1.8 2025/03/24 04:05:36 snw
	* Replace crlf with frm_crlf to avoid symbol conflict with readline on OS/2
	*
	* Revision 1.7 2025/03/22 22:52:24 snw
	* Add STRLEN_GBL macro to manage global string length
	*
	* Revision 1.6 2025/03/22 21:44:32 snw
	* Make the startup messages fewer and add environment name to direct-mode prompt
	*
	* Revision 1.5 2025/03/09 19:50:47 snw
	* Second phase of REUSE compliance and header reformat
	*
	*
	* SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
	* SPDX-License-Identifier: AGPL-3.0-or-later
**/	**/

#include <stdlib.h>	#include <stdlib.h>
Line 512 next0:	Line 537 next0:
else if (tmp2[0] == '<') { /* call write output to %-array */	else if (tmp2[0] == '<') { /* call write output to %-array */

FILE *pipdes;	FILE *pipdes;
char key[STRLEN + 1 /was 256 / ];	char key[STRLEN];
char data[STRLEN + 1 /was 256 / ];	char data[STRLEN];
char data_kill[256];	char data_kill[256];
data_kill[255] = EOL;	data_kill[255] = EOL;

for (i = 0; i < STRLEN + 1; i++) vn[i] = EOL;	for (i = 0; i < STRLEN - 1; i++) vn[i] = EOL;

snprintf (key, 255, "^$JOB\202%d\202PIPE_GLVN\201", pid);	snprintf (key, STRLEN - 1, "^$JOB\202%d\202PIPE_GLVN\201", pid);
ssvn (get_sym, key, vn);	ssvn (get_sym, key, vn);

if (vn[0] == '^') {	if (vn[0] == '^') {
Line 537 next0:	Line 562 next0:
symtab (kill_sym, vn, data);	symtab (kill_sym, vn, data);
}	}

snprintf (key, 255, "^$JOB\202%d\202PIPE_GLVN\201", pid);	snprintf (key, STRLEN - 1, "^$JOB\202%d\202PIPE_GLVN\201", pid);
ssvn (get_sym, key, vn);	ssvn (get_sym, key, vn);

data[0] = '0';	data[0] = '0';
Line 566 next0:	Line 591 next0:
int glvn_len = 0;	int glvn_len = 0;

while (fgets (data, STRLEN, pipdes)) {	while (fgets (data, STRLEN, pipdes)) {
snprintf (key, 255, "^$JOB\202%d\202PIPE_GLVN\201", pid);	snprintf (key, STRLEN - 1, "^$JOB\202%d\202PIPE_GLVN\201", pid);
ssvn (get_sym, key, vn);	ssvn (get_sym, key, vn);

glvn_len = stlen (vn);	glvn_len = stlen (vn);
Line 627 next0:	Line 652 next0:

for (i = 0; i < STRLEN + 1; i++) vn[i] = EOL;	for (i = 0; i < STRLEN + 1; i++) vn[i] = EOL;

snprintf (key, 255, "^$JOB\202%d\202PIPE_GLVN\201", pid);	snprintf (key, STRLEN - 1, "^$JOB\202%d\202PIPE_GLVN\201", pid);
ssvn (get_sym, key, vn);	ssvn (get_sym, key, vn);

if (vn[0] == '^') {	if (vn[0] == '^') {
Line 656 next0:	Line 681 next0:
int glvn_len = 0;	int glvn_len = 0;

for (i = 1; i <= k; i++) {	for (i = 1; i <= k; i++) {
snprintf (key, 255, "^$JOB\202%d\202PIPE_GLVN\201", pid);	snprintf (key, STRLEN - 1, "^$JOB\202%d\202PIPE_GLVN\201", pid);
ssvn (get_sym, key, vn);	ssvn (get_sym, key, vn);

glvn_len = stlen (vn);	glvn_len = stlen (vn);
Line 891 set0:	Line 916 set0:

if (isalpha (vn[0]) && *(codptr + 1) == ':') {	if (isalpha (vn[0]) && *(codptr + 1) == ':') {
char sc_string[255];	char sc_string[255];
register int sci;

codptr += 2;	codptr += 2;
expr (NAME);	expr (NAME);

Line 928 set0:	Line 952 set0:

if (*++codptr != '=') {	if (*++codptr != '=') {

/* SET A++ or SET A-- equivalent to SET A+=1 SET A-=1 currently disabled */	/* unary ++/-- */
//#ifdef NEVER
if ((ch == '+' \|\| ch == '-') && ch == *codptr) {	if ((ch == '+' \|\| ch == '-') && ch == *codptr) {
codptr++;	codptr++;
setop = ch;	setop = ch;
Line 938 set0:	Line 961 set0:

goto set2;	goto set2;
}	}
//#endif /* NEVER */

merr_raise (ASSIGNER);	merr_raise (ASSIGNER);
break;	break;
Line 1024 set2:	Line 1046 set2:

if (new_and_set == TRUE) new_and_set = FALSE;	if (new_and_set == TRUE) new_and_set = FALSE;
if (new_object == TRUE) new_object = FALSE;	if (new_object == TRUE) new_object = FALSE;
	/*
set1:	set1:
	*/
if (*codptr != ',') break;	if (*codptr != ',') break;

if (*++codptr == '@') goto again;	if (*++codptr == '@') goto again;
Line 1076 set:	Line 1100 set:
goto err;	goto err;
}	}

expr (STRING);	expr (STRING);

if (merr () > OK) goto err;	if (merr () > OK) goto err;

stcpy (tmp2, argptr);	stcpy (tmp2, argptr);
Line 1588 set10:	Line 1612 set10:
}	}

if (stcat (tmp2, &tmp3[arg4]) == 0) {	if (stcat (tmp2, &tmp3[arg4]) == 0) {
merr_raise (M56); //JPW	merr_raise (M56); /* snw */
goto err;	goto err;
}	}

Line 2021 set10:	Line 2045 set10:
goto err;	goto err;
}	}

sec += day * 86400 + timezone;	sec += day * 86400 + FreeM_timezone;
day = timezone;	day = FreeM_timezone;

sh_ts.tv_sec = sec;	sh_ts.tv_sec = sec;

Line 2042 set10:	Line 2066 set10:
clock = time (0L);	clock = time (0L);
ctdata = localtime (&clock);	ctdata = localtime (&clock);

if (day -= (timezone = ctdata->tm_tzadj)) {	if (day -= (FreeM_timezone = ctdata->tm_tzadj)) {
sec -= day;	sec -= day;
tzoffset += day;	tzoffset += day;
stime (&sec);	stime (&sec);
Line 2367 s_end:	Line 2391 s_end:
#ifdef DEBUG_NEWSTACK	#ifdef DEBUG_NEWSTACK
printf ("EXTRINSIC\r\n");	printf ("EXTRINSIC\r\n");
#endif	#endif
//printf (" extr_types[%d] = '%d'\r\n", nstx, extr_types[nstx]);
if (codptr == EOL \|\| codptr == SP) {	if (codptr == EOL \|\| codptr == SP) {

#ifdef DEBUG_NEWSTACK	#ifdef DEBUG_NEWSTACK
Line 3753 off3:	Line 3776 off3:
break;	break;

case KILL:	case KILL:

/* argumentless: KILL all local variables */	/* argumentless: KILL all local variables */
if (((ch = *codptr) == SP) \|\| ch == EOL) {	if (((ch = *codptr) == SP) \|\| ch == EOL) {
symtab (kill_all, "", "");	symtab (kill_all, "", "");
Line 3787 off3:	Line 3810 off3:
if (destructor_ct) {	if (destructor_ct) {

for (cd = 0; cd < destructor_ct; cd++) {	for (cd = 0; cd < destructor_ct; cd++) {
strcat (destc, destructors[cd]);	if (strlen (destructors[cd]) > 0) {
strcat (destc, ",");	strcat (destc, destructors[cd]);
	strcat (destc, ",");
	}
}	}

destructor_ct = 0;	destructor_ct = 0;
Line 3936 off3:	Line 3961 off3:

stcpy (objvar, vn);	stcpy (objvar, vn);

symtab (dat, objvar, datres);	symtab (fra_dat, objvar, datres);
dat_res = atoi (datres);	dat_res = atoi (datres);

if (dat_res > 0) {	if (dat_res > 0) {
Line 3970 off3:	Line 3995 off3:

if (merr () > OK) goto err;	if (merr () > OK) goto err;

	/* TODO: check this snprintf for proper sizing */
snprintf (&tmp3[1], 255, "%s\201", &constructor[1]);	snprintf (&tmp3[1], 255, "%s\201", &constructor[1]);
goto private;	goto private;

Line 3990 off3:	Line 4016 off3:
goto set2;	goto set2;
}	}

	/*
post_new:	post_new:
	*/
ch = nstx;	ch = nstx;

while (nestc[ch] == FOR) ch--; /* FOR does not define a NEW level */	while (nestc[ch] == FOR) ch--; /* FOR does not define a NEW level */
Line 4320 use0: /* entry point for proces	Line 4347 use0: /* entry point for proces
break;	break;

case 2:	case 2:
crlf[io] = tvexpr (argptr);	frm_crlf[io] = tvexpr (argptr);
break;	break;

case 3:	case 3:
Line 4422 use_socket:	Line 4449 use_socket:

/* need to evaluate the following 6 lines carefully - smw 2023-10-15 */	/* need to evaluate the following 6 lines carefully - smw 2023-10-15 */
if (k != HOME) {	if (k != HOME) {
crlf[k] = FALSE;	frm_crlf[k] = FALSE;
fm_nodelay[k] = FALSE;	fm_nodelay[k] = FALSE;
xpos[k] = 0;	xpos[k] = 0;
ypos[k] = 0;	ypos[k] = 0;
Line 5080 open_socket:	Line 5107 open_socket:
#endif	#endif

if (nestc[nstx] == BREAK) {	if (nestc[nstx] == BREAK) {
// printf ("nestc[nstx] was BREAK\r\n");
if (repQUIT) continue;	if (repQUIT) continue;
merr_raise (OK - CTRLB);	merr_raise (OK - CTRLB);

goto zgo; /cont. single step /	goto zgo; /cont. single step /
}	}
// else {
// printf ("nestc[nstx] was _not_ BREAK\r\n");
// }

if (nestc[nstx] == FOR) {	if (nestc[nstx] == FOR) {

Line 5538 zgo:	Line 5561 zgo:

for (; beg < end; beg += UNSIGN (*beg) + 2) {	for (; beg < end; beg += UNSIGN (*beg) + 2) {

if (crlf[io]) {	if (frm_crlf[io]) {
write_m ("\012\201");	write_m ("\012\201");
}	}
else {	else {
Line 5554 zgo:	Line 5577 zgo:
rouins = beg;	rouins = beg;
}	}

if (crlf[io]) {	if (frm_crlf[io]) {
write_m ("\012\201");	write_m ("\012\201");
}	}
else {	else {
Line 5664 zgo:	Line 5687 zgo:
}	}

case ZWRITE:	case ZWRITE:


zwrite:
{	{
short k;	short k;
char w_tmp[512];	char w_tmp[512];
Line 5790 zwritep:	Line 5810 zwritep:

expr (NAME);	expr (NAME);

//if (varnam[0] == '^') merr_raise (GLOBER);
if (merr () > OK) goto err;	if (merr () > OK) goto err;

codptr++;	codptr++;
Line 5823 zwritep:	Line 5842 zwritep:
}	}

if (varnam[0] != '^') {	if (varnam[0] != '^') {
symtab (dat, varnam, tmp2);	symtab (fra_dat, varnam, tmp2);
zwmode = 'L';	zwmode = 'L';
}	}
else {	else {
if (varnam[1] == '$') {	if (varnam[1] == '$') {
ssvn (dat, varnam, tmp2);	ssvn (fra_dat, varnam, tmp2);
zwmode = '$';	zwmode = '$';
}	}
else {	else {
global (dat, varnam, tmp2);	global (fra_dat, varnam, tmp2);
zwmode = '^';	zwmode = '^';
}	}
}	}
Line 5943 zwritep:	Line 5962 zwritep:
switch (zwmode) {	switch (zwmode) {

case 'L':	case 'L':
symtab (dat, tmp, tmp3);	symtab (fra_dat, tmp, tmp3);
symtab (get_sym, tmp, &w_tmp[1]);	symtab (get_sym, tmp, &w_tmp[1]);

break;	break;


case '$':	case '$':
ssvn (dat, tmp, tmp3);	ssvn (fra_dat, tmp, tmp3);
ssvn (get_sym, tmp, &w_tmp[1]);	ssvn (get_sym, tmp, &w_tmp[1]);

break;	break;


case '^':	case '^':
global (dat, tmp, tmp3);	global (fra_dat, tmp, tmp3);
global (get_sym, tmp, &w_tmp[1]);	global (get_sym, tmp, &w_tmp[1]);

break;	break;
Line 6032 zwritep:	Line 6051 zwritep:
break;	break;


case ZALLOCATE:	/* user defined Z-COMMAND */

/* argumentless is not permitted */
if (codptr == SP \|\| codptr == EOL) {
merr_raise (ARGLIST);
break;
}

expr (NAME);

if (merr () > OK) goto err;

tmp[0] = SP;
stcpy (&tmp[1], varnam);
stcat (tmp, "\001\201");

frm_timeout = (-1L); /* no timeout */

if (*++codptr == ':') {
codptr++;

expr (STRING);

frm_timeout = intexpr (argptr);

if (merr () > OK) goto err;
if (frm_timeout < 0L) frm_timeout = 0L;
}

lock (tmp, frm_timeout, ZALLOCATE);
break;


case ZDEALLOCATE:

tmp[0] = SP;

if (codptr == SP \|\| codptr == EOL) {
tmp[1] = EOL;
}
else {
expr (NAME);

if (merr () > OK) goto err;

stcpy (&tmp[1], varnam);

codptr++;
}

lock (tmp, -1L, ZDEALLOCATE); /* -1: no timeout */
break;

/* user defined Z-COMMAND */


case PRIVATE:	case PRIVATE:

private: /* for in-MUMPS defined commands */	private: /* for in-MUMPS defined commands */
Line 6626 evthandler: /* for event hand	Line 6590 evthandler: /* for event hand


/* run the next iteration of GTK's event loop */	/* run the next iteration of GTK's event loop */
//TODO: replace with libXt event loop	/* TODO: replace with libXt event loop */
//gtk_main_iteration_do (TRUE);	/* gtk_main_iteration_do (TRUE); */

/* dequeue any events */	/* dequeue any events */
evt_count = mwapi_dequeue_events (syn_handlers);	evt_count = mwapi_dequeue_events (syn_handlers);

if (evt_count) {	if (evt_count) {
/* write them out */	/* write them out */
//printf ("event handlers = '%s'\r\n", syn_handlers);	/* printf ("event handlers = '%s'\r\n", syn_handlers); */

syn_event_entry_nstx = nstx;	syn_event_entry_nstx = nstx;

Line 6745 err:	Line 6709 err:
stcnv_m2c (er_buf);	stcnv_m2c (er_buf);

#if !defined(MSDOS)	#if !defined(MSDOS)
m_log (LOG_ERR, er_buf);	logprintf (FM_LOG_DEBUG, "xecline: interpreter error %d [%s]", ierr, er_buf);
#endif	#endif

}	}
Line 7079 restart:	Line 7043 restart:

DSW &= ~BIT0; /* enable ECHO */	DSW &= ~BIT0; /* enable ECHO */

// print here	/* print here */
{	{
char *t_rtn;	char *t_rtn;
char t_nsn = (char ) malloc (STRLEN * sizeof (char));	char t_nsn = (char ) malloc (STRLEN * sizeof (char));
Line 7210 direct_mode:	Line 7174 direct_mode:

if (quiet_mode == FALSE) {	if (quiet_mode == FALSE) {
if (tp_level == 0) {	if (tp_level == 0) {
snprintf (fmrl_prompt, 255, "\r\n%s> ", nsname);	snprintf (fmrl_prompt, sizeof (fmrl_prompt) - 1, "\r\n%s.%s> ", shm_env, nsname);
}	}
else {	else {
snprintf (fmrl_prompt, 255, "\r\nTL%d:%s> ", tp_level, nsname);	snprintf (fmrl_prompt, sizeof (fmrl_prompt) - 1 , "\r\nTL%d:%s.%s> ", tp_level, shm_env, nsname);
}	}
}	}
set_io (UNIX);	set_io (UNIX);
Line 7238 direct_mode:	Line 7202 direct_mode:
if (fmrl_buf[0] == '?') {	if (fmrl_buf[0] == '?') {

char kb[20];	char kb[20];
char db[255];	char db[STRLEN];

snprintf (kb, 19, "%%SYS.HLP\201");	snprintf (kb, sizeof (kb) - 1, "%%SYS.HLP\201");
snprintf (db, 19, "\201");	snprintf (db, STRLEN - 1, "\201");

symtab (kill_sym, kb, db);	symtab (kill_sym, kb, db);

Line 7251 direct_mode:	Line 7215 direct_mode:
stcpy (code, "DO ^%ZHELP\201");	stcpy (code, "DO ^%ZHELP\201");

if (strlen (fmrl_buf) > 1) {	if (strlen (fmrl_buf) > 1) {
snprintf (db, 254, "%s\201", &fmrl_buf[1]);	snprintf (db, STRLEN - 1, "%s\201", &fmrl_buf[1]);
symtab (set_sym, kb, db);	symtab (set_sym, kb, db);
}	}

Line 7320 direct_mode:	Line 7284 direct_mode:
}	}
else if (isdigit(fmrl_buf[0]) \|\| (fmrl_buf[0] == '(') \|\| (fmrl_buf[0] == '-') \|\| (fmrl_buf[0] == '\'') \|\| (fmrl_buf[0] == '+') \|\| (fmrl_buf[0] == '$') \|\| (fmrl_buf[0] == '^')) {	else if (isdigit(fmrl_buf[0]) \|\| (fmrl_buf[0] == '(') \|\| (fmrl_buf[0] == '-') \|\| (fmrl_buf[0] == '\'') \|\| (fmrl_buf[0] == '+') \|\| (fmrl_buf[0] == '$') \|\| (fmrl_buf[0] == '^')) {

snprintf (code, 255, "W %s", fmrl_buf);	snprintf (code, STRLEN - 1, "W %s", fmrl_buf);
stcnv_c2m (code);	stcnv_c2m (code);

set_io (MUMPS);	set_io (MUMPS);
Line 7402 direct_mode:	Line 7366 direct_mode:
char fmrl_prompt[256];	char fmrl_prompt[256];

if (tp_level == 0) {	if (tp_level == 0) {
snprintf (fmrl_prompt, 256, "\r\n%s> \201", nsname);	snprintf (fmrl_prompt, sizeof (fmrl_prompt) - 1, "\r\n%s> \201", nsname);
}	}
else {	else {
snprintf (fmrl_prompt, 256, "\r\nTL%d:%s> \201", tp_level, nsname);	snprintf (fmrl_prompt, sizeof (fmrl_prompt) - 1, "\r\nTL%d:%s> \201", tp_level, nsname);
}	}

write_m (fmrl_prompt);	write_m (fmrl_prompt);
Line 7417 direct_mode:	Line 7381 direct_mode:
#endif	#endif

if (merr () > OK) goto err;	if (merr () > OK) goto err;


// printf ("zbflag = %d\r\n", zbflag);

if (code[0] == EOL && zbflag && nestc[nstx] == BREAK) {	if (code[0] == EOL && zbflag && nestc[nstx] == BREAK) {

//printf ("cont single step\r\n");
debug_mode = TRUE;	debug_mode = TRUE;
merr_raise (OK - CTRLB);	merr_raise (OK - CTRLB);

//printf ("ierr now '%d'\r\n", ierr);
goto zgo;	goto zgo;
} /* single step */	} /* single step */
}	}
Line 7493 void rbuf_dump(void)	Line 7452 void rbuf_dump(void)

for (i = 0; i < NO_OF_RBUF; i++) {	for (i = 0; i < NO_OF_RBUF; i++) {

sprintf (flgs, "");	flgs[0] = '\0';

if (ages[i] == 0) {	if (ages[i] == 0) {
sprintf (rnam, "---------");	sprintf (rnam, "---------");

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changed lines
	Added in v.1.15