version 1.4, 2025/03/09 15:20:18
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version 1.13, 2025/04/13 04:22:43
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Line 1
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/* |
/* |
* * |
* $Id$ |
* * * |
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* * * |
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* *************** |
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* * * * * |
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* * MUMPS * |
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* * * * * |
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* *************** |
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* * * |
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* * * |
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* * |
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* |
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* expr.c |
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* expression parser |
* expression parser |
* |
* |
* |
* |
* Author: Serena Willis <snw@coherent-logic.com> |
* Author: Serena Willis <snw@coherent-logic.com> |
* Copyright (C) 1998 MUG Deutschland |
* Copyright (C) 1998 MUG Deutschland |
* Copyright (C) 2020, 2023 Coherent Logic Development LLC |
* Copyright (C) 2020, 2023, 2025 Coherent Logic Development LLC |
* |
* |
* |
* |
* This file is part of FreeM. |
* This file is part of FreeM. |
Line 35
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Line 23
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* 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/>. |
* |
* |
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* $Log$ |
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* Revision 1.13 2025/04/13 04:22:43 snw |
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* Fix snprintf calls |
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* |
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* Revision 1.12 2025/04/10 01:24:38 snw |
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* Remove C++ style comments |
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* |
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* Revision 1.11 2025/03/30 01:36:58 snw |
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* Make it easier to bring back fma_gedit, fix double-free in global handler, limit $CHAR to 7-bit ASCII |
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* |
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* Revision 1.10 2025/03/24 04:13:11 snw |
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* Replace action macro dat with fra_dat to avoid symbol conflict on OS/2 |
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* |
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* Revision 1.9 2025/03/24 01:32:22 snw |
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* Guard declaration of time function in expr.c for portability |
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* |
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* Revision 1.8 2025/03/22 04:47:18 snw |
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* Silently truncate long names in STRING exprs when evaluates to an obsolete MDC standard |
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* |
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* Revision 1.7 2025/03/22 03:39:23 snw |
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* Fix reverse query polyfill call-in from C side and make NAME exprs silently truncate long names in obsolete MDC dialects |
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* |
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* Revision 1.6 2025/03/22 03:05:19 snw |
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* Comply with X11-96/13 portable length of names |
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* |
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* Revision 1.5 2025/03/09 19:14:24 snw |
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* First phase of REUSE compliance and header reformat |
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* |
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* |
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* SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC |
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* SPDX-License-Identifier: AGPL-3.0-or-later |
**/ |
**/ |
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#if !defined(__osf__) |
#if !defined(__osf__) |
Line 134
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Line 153
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#define GET 'Y' |
#define GET 'Y' |
#define GETX ':' |
#define GETX ':' |
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#if !defined(__OpenBSD__) && !defined(_AIX) && !defined(__osf__) && !defined(MSDOS) && !defined(__vax__) |
#if !defined(__OpenBSD__) && !defined(_AIX) && !defined(__osf__) && !defined(MSDOS) && !defined(__vax__) && !defined(__OS2__) |
long time (); |
long time (); |
#endif |
#endif |
void cond_round (char *a, int digits); |
void cond_round (char *a, int digits); |
Line 178 void expr (short extyp)
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Line 197 void expr (short extyp)
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volatile int ch = 0; |
volatile int ch = 0; |
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short group; /* flag to scan grouped patterns */ |
short group; /* flag to scan grouped patterns */ |
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int max_namlen = 255; |
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if ((rtn_dialect () == D_MDS) || (rtn_dialect () == D_M5) || (rtn_dialect () == D_FREEM)) { |
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max_namlen = 255; |
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} |
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else { |
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max_namlen = 8; |
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} |
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#ifdef DEBUG_NEWPTR |
#ifdef DEBUG_NEWPTR |
int loop; |
int loop; |
Line 206 void expr (short extyp)
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Line 234 void expr (short extyp)
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(((ch == '/' && varnam[i - 1] != '/') || |
(((ch == '/' && varnam[i - 1] != '/') || |
(ch == '%' && varnam[i - 1] == '/')) && |
(ch == '%' && varnam[i - 1] == '/')) && |
(varnam[1] == '.' || varnam[1] == '/'))))) || (f != '^') && (ch == '.')) { |
(varnam[1] == '.' || varnam[1] == '/'))))) || (f != '^') && (ch == '.')) { |
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varnam[i++] = ch; |
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if ((i + 1) <= max_namlen) { |
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varnam[i++] = ch; |
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} |
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else { |
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if ((rtn_dialect () == D_M77) || |
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(rtn_dialect () == D_M84) || |
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(rtn_dialect () == D_M90) || |
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(rtn_dialect () == D_M95)) { |
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/* silently truncate... yeah, the standard is stupid af */ |
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continue; |
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} |
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else { |
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merr_raise (M56); |
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return; |
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} |
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} |
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} |
} |
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varnam[i] = EOL; |
varnam[i] = EOL; |
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#if 0 |
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{ |
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char gooby[256]; |
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stcpy (gooby, varnam); |
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stcnv_m2c (gooby); |
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printf ("name = '%s'\r\n", gooby); |
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} |
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#endif |
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if (ch == '(') { /* it's an array */ |
if (ch == '(') { /* it's an array */ |
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Line 334 scan_name:
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Line 384 scan_name:
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merr_raise (INVEXPR); |
merr_raise (INVEXPR); |
return; |
return; |
} |
} |
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varnam[i++] = ch; |
if ((i + 1) <= max_namlen) { |
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varnam[i++] = ch; |
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} |
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else { |
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if ((rtn_dialect () == D_M77) || |
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(rtn_dialect () == D_M84) || |
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(rtn_dialect () == D_M90) || |
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(rtn_dialect () == D_M95)) { |
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/* silently truncate... yeah, the standard is stupid af */ |
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continue; |
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} |
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else { |
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merr_raise (M56); |
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return; |
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} |
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} |
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lastch = ch; |
lastch = ch; |
} |
} |
Line 351 scan_name:
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Line 416 scan_name:
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else { /* local variable name */ |
else { /* local variable name */ |
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while (isalnum (ch = *++codptr)) { |
while (isalnum (ch = *++codptr)) { |
varnam[i++] = ch; |
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if ((i + 1) <= max_namlen) { |
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varnam[i++] = ch; |
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} |
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else { |
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if ((rtn_dialect () == D_M77) || |
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(rtn_dialect () == D_M84) || |
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(rtn_dialect () == D_M90) || |
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(rtn_dialect () == D_M95)) { |
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/* silently truncate... yeah, the standard is stupid af */ |
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continue; |
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} |
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else { |
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merr_raise (M56); |
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return; |
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} |
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} |
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} |
} |
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varnam[i] = EOL; |
varnam[i] = EOL; |
Line 491 var1:
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Line 573 var1:
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case 'd': /* $DATA */ |
case 'd': /* $DATA */ |
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ch = dat; |
ch = fra_dat; |
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glv_fcn: |
glv_fcn: |
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Line 693 d_o_n:
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Line 775 d_o_n:
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if (merr () == UNDEF) { |
if (merr () == UNDEF) { |
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//smw 15 nov 2023 merr_raise (ierr < 0 ? OK - CTRLB : OK); |
/* smw 15 nov 2023 merr_raise (ierr < 0 ? OK - CTRLB : OK); */ |
merr_clear (); |
merr_clear (); |
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if (*++codptr == ',') { |
if (*++codptr == ',') { |
Line 878 undefglvn:
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Line 960 undefglvn:
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stcpy (refsav[refsx], zref); |
stcpy (refsav[refsx], zref); |
stcpy (refsav[refsx++] + 256, zloc); |
stcpy (refsav[refsx++] + 256, zloc); |
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ierr -= M7; //smw TODO HUH?? |
ierr -= M7; |
arg--; |
arg--; |
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goto nextchr; |
goto nextchr; |
Line 1605 uparrow:
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Line 1687 uparrow:
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case 'c': /* $CHARACTER */ |
case 'c': /* $CHARACTER */ |
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{ |
{ |
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char chrtmp[256]; |
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long pnum; |
short l, l1, m, n; |
short l, l1, m, n; |
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l1 = f; |
l1 = f; |
Line 1616 uparrow:
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Line 1700 uparrow:
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n = 1; |
n = 1; |
l = 0; |
l = 0; |
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stcpy (chrtmp, a); |
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stcnv_m2c (chrtmp); |
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pnum = atol (chrtmp); |
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if (pnum > 127) { |
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merr_raise (MXNUM); |
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return; |
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} |
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for (;;) { |
for (;;) { |
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if ((ch = a[i++]) == EOL) { |
if ((ch = a[i++]) == EOL) { |
Line 2224 f20:
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Line 2317 f20:
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stcnv_c2m (qryarg_ext); |
stcnv_c2m (qryarg_ext); |
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/* put the $QUERY argument into the local variable %INT.REVQ */ |
/* put the $QUERY argument into the local variable %INT.REVQ */ |
symtab (set_sym, "%INT.REVQ\201\201", qryarg_ext); |
symtab (set_sym, "%INTREVQ\201\201", qryarg_ext); |
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/* set up for calling into polyfill wrapper */ |
/* set up for calling into polyfill wrapper */ |
code[0] = '\201'; |
code[0] = '\201'; |
Line 4503 extra_fun:
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Line 4596 extra_fun:
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if (obj_field) { |
if (obj_field) { |
char t_objf[255]; |
char t_objf[STRLEN]; |
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snprintf (t_objf, 254, "%s\201", object_instance); |
snprintf (t_objf, STRLEN - 1, "%s\201", object_instance); |
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dofram0 = dofrmptr; |
dofram0 = dofrmptr; |
*dofrmptr++ = DELIM; |
*dofrmptr++ = DELIM; |
Line 4520 extra_fun:
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Line 4613 extra_fun:
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obj_field = FALSE; |
obj_field = FALSE; |
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//dofram0 = dofrmptr; |
/* dofram0 = dofrmptr; */ |
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i = 0; |
i = 0; |
codptr++; |
codptr++; |
Line 4582 extra_fun:
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Line 4675 extra_fun:
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obj_field = FALSE; |
obj_field = FALSE; |
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//dofram0 = 0; |
/* dofram0 = 0; */ |
if (*codptr == '(') codptr += 2; |
if (*codptr == '(') codptr += 2; |
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} |
} |
Line 4658 extra_fun:
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Line 4751 extra_fun:
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/* save off the return type to be checked by QUIT code */ |
/* save off the return type to be checked by QUIT code */ |
extr_types[nstx + 1] = ret_type; |
extr_types[nstx + 1] = ret_type; |
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//printf ("return_type = '%s' *reg = '%c'\r\n", return_type, *reg); |
/* printf ("return_type = '%s' *reg = '%c'\r\n", return_type, *reg); */ |
} |
} |
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if (*reg == TAB || *reg == SP) goto off; |
if (*reg == TAB || *reg == SP) goto off; |
Line 4793 off:
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Line 4886 off:
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else { |
else { |
/* PARSE FORMALLIST */ |
/* PARSE FORMALLIST */ |
short fl_type; |
short fl_type; |
short fl_mandatory; |
/* re-enable following 3 later */ |
short fl_byref; |
/*short fl_mandatory;*/ |
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/*short fl_byref;*/ |
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/*short lastparm;*/ |
char fl_typestr[255]; |
char fl_typestr[255]; |
char fl_mand; |
char fl_mand; |
short dtcheck_result; |
short dtcheck_result; |
register short typei; |
register short typei; |
short lastparm; |
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short gotparm; |
short gotparm; |
int paramct; |
int paramct; |
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fl_type = DT_AUTO; |
fl_type = DT_AUTO; |
fl_mandatory = TRUE; |
/* re-enable following 3 later */ |
fl_byref = FALSE; |
/*fl_mandatory = TRUE;*/ |
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/*fl_byref = FALSE;*/ |
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/*lastparm = FALSE;*/ |
dtcheck_result = FALSE; |
dtcheck_result = FALSE; |
lastparm = FALSE; |
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gotparm = FALSE; |
gotparm = FALSE; |
paramct = 0; |
paramct = 0; |
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Line 4830 off:
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Line 4925 off:
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fl_typestr[typei] = '\0'; |
fl_typestr[typei] = '\0'; |
fl_mand = *(reg + 1); |
fl_mand = *(reg + 1); |
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/* |
if ((fl_mand == 'o') || (fl_mand == 'O')) { |
if ((fl_mand == 'o') || (fl_mand == 'O')) { |
fl_mandatory = FALSE; |
fl_mandatory = FALSE; |
} |
} |
Line 4844 off:
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Line 4940 off:
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goto errexfun; |
goto errexfun; |
} |
} |
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*/ |
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if ((fl_mand != 'o') && (fl_mand != 'O')) { |
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merr_raise (INVLIBOPT); |
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dofrmptr = dofram0; |
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errex = TRUE; |
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nstx--; |
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estack--; |
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goto errexfun; |
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} |
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} |
} |
else if ((ch == ',') || (ch == ')')) { |
else if ((ch == ',') || (ch == ')')) { |
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/* re-enable later |
if (ch == ')') { |
if (ch == ')') { |
lastparm = TRUE; |
lastparm = TRUE; |
} |
} |
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*/ |
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gotparm = TRUE; |
gotparm = TRUE; |
paramct++; |
paramct++; |
Line 4886 off:
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Line 4999 off:
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if (dtcheck_result == FALSE) { |
if (dtcheck_result == FALSE) { |
merr_raise (TYPMISMATCH); |
merr_raise (TYPMISMATCH); |
dofrmptr = dofram0; // reset frame pointer |
dofrmptr = dofram0; /* reset frame pointer */ |
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errex = TRUE; |
errex = TRUE; |
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Line 5407 errexfun:
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Line 5520 errexfun:
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ilong = ilong1 - (ilong * 86400); |
ilong = ilong1 - (ilong * 86400); |
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lintstr (&a[i], ilong); |
lintstr (&a[i], ilong); |
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// printf ("unix epoch = %d\r\n", horolog_to_unix (a)); |
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goto exec; |
goto exec; |
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Line 5451 errexfun:
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Line 5562 errexfun:
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{ |
{ |
char doggie_bag[50]; |
char doggie_bag[50]; |
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snprintf (doggie_bag, 49, ".%ld\201", ilong); |
snprintf (doggie_bag, sizeof (doggie_bag) - 1, ".%ld\201", ilong); |
stcat (a, doggie_bag); |
stcat (a, doggie_bag); |
} |
} |
} |
} |
Line 5460 errexfun:
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Line 5571 errexfun:
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case SVNsystem: |
case SVNsystem: |
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snprintf (a, 512, "%d,\"%s\"\201", MDC_VENDOR_ID, jour_hostid); |
sprintf (a, "%d,\"%s\"\201", MDC_VENDOR_ID, jour_hostid); |
goto exec; |
goto exec; |
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Line 5472 errexfun:
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Line 5583 errexfun:
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case SVNtlevel: |
case SVNtlevel: |
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snprintf (a, 255, "%d\201", tp_level); |
sprintf (a, "%d\201", tp_level); |
goto exec; |
goto exec; |
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Line 5485 errexfun:
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Line 5596 errexfun:
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case SVNecode: |
case SVNecode: |
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//write_m ("in SVNecode\r\n\201"); |
/* write_m ("in SVNecode\r\n\201"); */ |
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if (stlen (user_ecode)) { |
if (stlen (user_ecode)) { |
stcpy (a, user_ecode); |
stcpy (a, user_ecode); |
Line 5500 errexfun:
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Line 5611 errexfun:
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case SVNestack: |
case SVNestack: |
{ |
{ |
char esbuf[256]; |
char esbuf[256]; |
snprintf (esbuf, 255, "%d\201", estack); |
sprintf (esbuf, "%d\201", estack); |
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stcpy (a, esbuf); |
stcpy (a, esbuf); |
goto exec; |
goto exec; |
Line 5509 errexfun:
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Line 5620 errexfun:
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case SVNetrap: |
case SVNetrap: |
// write_m ("in SVNetrap\r\n\201"); |
/* write_m ("in SVNetrap\r\n\201"); */ |
stcpy (a, etrap); |
stcpy (a, etrap); |
goto exec; |
goto exec; |
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Line 5533 errexfun:
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Line 5644 errexfun:
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/* $DEVICE */ |
/* $DEVICE */ |
case 'd': |
case 'd': |
if (devstat[io].mdc_err == 0) { |
if (devstat[io].mdc_err == 0) { |
snprintf (a, 3, "0\201\0"); |
sprintf (a, "0\201\0"); |
} |
} |
else { |
else { |
snprintf (a, 120, "%d,%d,%s\201\0", devstat[io].mdc_err, devstat[io].frm_err, devstat[io].err_txt); |
sprintf (a, "%d,%d,%s\201\0", devstat[io].mdc_err, devstat[io].frm_err, devstat[io].err_txt); |
} |
} |
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goto exec; |
goto exec; |
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|
/* $STORAGE */ |
/* $STORAGE */ |
case 's': |
case 's': |
snprintf (a, 255 , "%ld\201", DEFPSIZE); |
sprintf (a, "%ld\201", DEFPSIZE); |
goto exec; |
goto exec; |
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|
/* $WITH */ |
/* $WITH */ |
Line 5593 errexfun:
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Line 5704 errexfun:
|
goto exec; |
goto exec; |
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|
|
|
///* $ZX (number of columns) */ |
/* $ZX (number of columns) */ |
//case 'X': |
case 'X': |
//intstr (a, n_columns); |
intstr (a, n_columns); |
// goto exec; |
goto exec; |
|
|
///* $ZY (number of rows) */ |
/* $ZY (number of rows) */ |
//case 'Y': |
case 'Y': |
//intstr (a, n_lines); |
intstr (a, n_lines); |
//goto exec; |
goto exec; |
|
|
/* $ZERROR */ |
/* $ZERROR */ |
case 'E': |
case 'E': |
Line 5664 errexfun:
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Line 5775 errexfun:
|
char zdf_key[50]; |
char zdf_key[50]; |
char fmt_string[128]; |
char fmt_string[128]; |
|
|
snprintf (zdf_key, 49, "^$JOB\202%d\202ZDATE_FORMAT\201", pid); |
snprintf (zdf_key, sizeof (zdf_key) - 1, "^$JOB\202%d\202ZDATE_FORMAT\201", pid); |
ssvn (get_sym, zdf_key, fmt_string); |
ssvn (get_sym, zdf_key, fmt_string); |
stcnv_c2m (fmt_string); |
stcnv_c2m (fmt_string); |
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