Commit | Line | Data |
79a0689e |
1 | /* $Header: stab.c,v 3.0.1.5 90/03/12 17:00:11 lwall Locked $ |
a687059c |
2 | * |
3 | * Copyright (c) 1989, Larry Wall |
4 | * |
5 | * You may distribute under the terms of the GNU General Public License |
6 | * as specified in the README file that comes with the perl 3.0 kit. |
8d063cd8 |
7 | * |
8 | * $Log: stab.c,v $ |
79a0689e |
9 | * Revision 3.0.1.5 90/03/12 17:00:11 lwall |
10 | * patch13: undef $/ didn't work as advertised |
11 | * |
9f68db38 |
12 | * Revision 3.0.1.4 90/02/28 18:19:14 lwall |
13 | * patch9: $0 is now always the command name |
14 | * patch9: you may now undef $/ to have no input record separator |
15 | * patch9: local($.) didn't work |
16 | * patch9: sometimes perl thought ordinary data was a symbol table entry |
17 | * patch9: stab_array() and stab_hash() weren't defined on MICROPORT |
18 | * |
663a0e37 |
19 | * Revision 3.0.1.3 89/12/21 20:18:40 lwall |
20 | * patch7: ANSI strerror() is now supported |
21 | * patch7: errno may now be a macro with an lvalue |
22 | * patch7: in stab.c, sighandler() may now return either void or int |
23 | * |
ffed7fef |
24 | * Revision 3.0.1.2 89/11/17 15:35:37 lwall |
25 | * patch5: sighandler() needed to be static |
26 | * |
ae986130 |
27 | * Revision 3.0.1.1 89/11/11 04:55:07 lwall |
28 | * patch2: sys_errlist[sys_nerr] is illegal |
29 | * |
a687059c |
30 | * Revision 3.0 89/10/18 15:23:23 lwall |
31 | * 3.0 baseline |
8d063cd8 |
32 | * |
33 | */ |
34 | |
8d063cd8 |
35 | #include "EXTERN.h" |
8d063cd8 |
36 | #include "perl.h" |
37 | |
378cc40b |
38 | #include <signal.h> |
39 | |
8d063cd8 |
40 | static char *sig_name[] = { |
a687059c |
41 | SIG_NAME,0 |
42 | }; |
8d063cd8 |
43 | |
663a0e37 |
44 | #ifdef VOIDSIG |
45 | #define handlertype void |
46 | #else |
47 | #define handlertype int |
48 | #endif |
2e1b3b7e |
49 | |
8d063cd8 |
50 | STR * |
a687059c |
51 | stab_str(str) |
52 | STR *str; |
8d063cd8 |
53 | { |
a687059c |
54 | STAB *stab = str->str_u.str_stab; |
8d063cd8 |
55 | register int paren; |
56 | register char *s; |
378cc40b |
57 | register int i; |
8d063cd8 |
58 | |
a687059c |
59 | if (str->str_rare) |
60 | return stab_val(stab); |
61 | |
62 | switch (*stab->str_magic->str_ptr) { |
9f68db38 |
63 | case '1': case '2': case '3': case '4': |
8d063cd8 |
64 | case '5': case '6': case '7': case '8': case '9': case '&': |
65 | if (curspat) { |
a687059c |
66 | paren = atoi(stab_name(stab)); |
378cc40b |
67 | getparen: |
68 | if (curspat->spat_regexp && |
69 | paren <= curspat->spat_regexp->nparens && |
70 | (s = curspat->spat_regexp->startp[paren]) ) { |
71 | i = curspat->spat_regexp->endp[paren] - s; |
72 | if (i >= 0) |
a687059c |
73 | str_nset(stab_val(stab),s,i); |
378cc40b |
74 | else |
a687059c |
75 | str_sset(stab_val(stab),&str_undef); |
8d063cd8 |
76 | } |
378cc40b |
77 | else |
a687059c |
78 | str_sset(stab_val(stab),&str_undef); |
8d063cd8 |
79 | } |
80 | break; |
81 | case '+': |
82 | if (curspat) { |
378cc40b |
83 | paren = curspat->spat_regexp->lastparen; |
84 | goto getparen; |
8d063cd8 |
85 | } |
86 | break; |
a687059c |
87 | case '`': |
88 | if (curspat) { |
89 | if (curspat->spat_regexp && |
90 | (s = curspat->spat_regexp->subbase) ) { |
91 | i = curspat->spat_regexp->startp[0] - s; |
92 | if (i >= 0) |
93 | str_nset(stab_val(stab),s,i); |
94 | else |
95 | str_nset(stab_val(stab),"",0); |
96 | } |
97 | else |
98 | str_nset(stab_val(stab),"",0); |
99 | } |
100 | break; |
101 | case '\'': |
102 | if (curspat) { |
103 | if (curspat->spat_regexp && |
104 | (s = curspat->spat_regexp->endp[0]) ) { |
105 | str_set(stab_val(stab),s); |
106 | } |
107 | else |
108 | str_nset(stab_val(stab),"",0); |
109 | } |
110 | break; |
8d063cd8 |
111 | case '.': |
a687059c |
112 | #ifndef lint |
8d063cd8 |
113 | if (last_in_stab) { |
a687059c |
114 | str_numset(stab_val(stab),(double)stab_io(last_in_stab)->lines); |
8d063cd8 |
115 | } |
a687059c |
116 | #endif |
8d063cd8 |
117 | break; |
118 | case '?': |
a687059c |
119 | str_numset(stab_val(stab),(double)statusvalue); |
8d063cd8 |
120 | break; |
121 | case '^': |
a687059c |
122 | s = stab_io(curoutstab)->top_name; |
123 | str_set(stab_val(stab),s); |
8d063cd8 |
124 | break; |
125 | case '~': |
a687059c |
126 | s = stab_io(curoutstab)->fmt_name; |
127 | str_set(stab_val(stab),s); |
8d063cd8 |
128 | break; |
a687059c |
129 | #ifndef lint |
8d063cd8 |
130 | case '=': |
a687059c |
131 | str_numset(stab_val(stab),(double)stab_io(curoutstab)->page_len); |
8d063cd8 |
132 | break; |
133 | case '-': |
a687059c |
134 | str_numset(stab_val(stab),(double)stab_io(curoutstab)->lines_left); |
8d063cd8 |
135 | break; |
136 | case '%': |
a687059c |
137 | str_numset(stab_val(stab),(double)stab_io(curoutstab)->page); |
8d063cd8 |
138 | break; |
a687059c |
139 | #endif |
8d063cd8 |
140 | case '/': |
9f68db38 |
141 | if (record_separator != 12345) { |
142 | *tokenbuf = record_separator; |
143 | tokenbuf[1] = '\0'; |
144 | str_nset(stab_val(stab),tokenbuf,rslen); |
145 | } |
8d063cd8 |
146 | break; |
147 | case '[': |
a687059c |
148 | str_numset(stab_val(stab),(double)arybase); |
8d063cd8 |
149 | break; |
150 | case '|': |
a687059c |
151 | str_numset(stab_val(stab), |
152 | (double)((stab_io(curoutstab)->flags & IOF_FLUSH) != 0) ); |
8d063cd8 |
153 | break; |
154 | case ',': |
a687059c |
155 | str_nset(stab_val(stab),ofs,ofslen); |
8d063cd8 |
156 | break; |
157 | case '\\': |
a687059c |
158 | str_nset(stab_val(stab),ors,orslen); |
8d063cd8 |
159 | break; |
160 | case '#': |
a687059c |
161 | str_set(stab_val(stab),ofmt); |
8d063cd8 |
162 | break; |
163 | case '!': |
a687059c |
164 | str_numset(stab_val(stab), (double)errno); |
663a0e37 |
165 | str_set(stab_val(stab), strerror(errno)); |
a687059c |
166 | stab_val(stab)->str_nok = 1; /* what a wonderful hack! */ |
378cc40b |
167 | break; |
168 | case '<': |
a687059c |
169 | str_numset(stab_val(stab),(double)uid); |
378cc40b |
170 | break; |
171 | case '>': |
a687059c |
172 | str_numset(stab_val(stab),(double)euid); |
378cc40b |
173 | break; |
174 | case '(': |
a687059c |
175 | s = buf; |
176 | (void)sprintf(s,"%d",(int)gid); |
378cc40b |
177 | goto add_groups; |
178 | case ')': |
a687059c |
179 | s = buf; |
180 | (void)sprintf(s,"%d",(int)egid); |
378cc40b |
181 | add_groups: |
182 | while (*s) s++; |
183 | #ifdef GETGROUPS |
184 | #ifndef NGROUPS |
185 | #define NGROUPS 32 |
186 | #endif |
187 | { |
188 | GIDTYPE gary[NGROUPS]; |
189 | |
190 | i = getgroups(NGROUPS,gary); |
191 | while (--i >= 0) { |
a687059c |
192 | (void)sprintf(s," %ld", (long)gary[i]); |
378cc40b |
193 | while (*s) s++; |
194 | } |
195 | } |
196 | #endif |
a687059c |
197 | str_set(stab_val(stab),buf); |
8d063cd8 |
198 | break; |
199 | } |
a687059c |
200 | return stab_val(stab); |
8d063cd8 |
201 | } |
202 | |
a687059c |
203 | stabset(mstr,str) |
204 | register STR *mstr; |
8d063cd8 |
205 | STR *str; |
206 | { |
a687059c |
207 | STAB *stab = mstr->str_u.str_stab; |
8d063cd8 |
208 | char *s; |
209 | int i; |
663a0e37 |
210 | static handlertype sighandler(); |
8d063cd8 |
211 | |
a687059c |
212 | switch (mstr->str_rare) { |
213 | case 'E': |
214 | setenv(mstr->str_ptr,str_get(str)); |
215 | /* And you'll never guess what the dog had */ |
216 | break; /* in its mouth... */ |
217 | case 'S': |
218 | s = str_get(str); |
219 | i = whichsig(mstr->str_ptr); /* ...no, a brick */ |
220 | if (strEQ(s,"IGNORE")) |
221 | #ifndef lint |
222 | (void)signal(i,SIG_IGN); |
223 | #else |
224 | ; |
225 | #endif |
226 | else if (strEQ(s,"DEFAULT") || !*s) |
227 | (void)signal(i,SIG_DFL); |
228 | else |
229 | (void)signal(i,sighandler); |
230 | break; |
231 | #ifdef SOME_DBM |
232 | case 'D': |
233 | hdbmstore(stab_hash(stab),mstr->str_ptr,mstr->str_cur,str); |
234 | break; |
235 | #endif |
236 | case '#': |
237 | afill(stab_array(stab), (int)str_gnum(str) - arybase); |
238 | break; |
239 | case 'X': /* merely a copy of a * string */ |
240 | break; |
241 | case '*': |
242 | s = str_get(str); |
9f68db38 |
243 | if (strNE(s,"StB") || str->str_cur != sizeof(STBP)) { |
a687059c |
244 | if (!*s) { |
245 | STBP *stbp; |
246 | |
247 | (void)savenostab(stab); /* schedule a free of this stab */ |
248 | if (stab->str_len) |
249 | Safefree(stab->str_ptr); |
250 | Newz(601,stbp, 1, STBP); |
251 | stab->str_ptr = stbp; |
252 | stab->str_len = stab->str_cur = sizeof(STBP); |
253 | stab->str_pok = 1; |
9f68db38 |
254 | strcpy(stab_magic(stab),"StB"); |
a687059c |
255 | stab_val(stab) = Str_new(70,0); |
256 | stab_line(stab) = line; |
257 | } |
258 | else |
259 | stab = stabent(s,TRUE); |
260 | str_sset(str,stab); |
261 | } |
262 | break; |
263 | case 's': { |
264 | struct lstring *lstr = (struct lstring*)str; |
265 | |
266 | mstr->str_rare = 0; |
267 | str->str_magic = Nullstr; |
268 | str_insert(mstr,lstr->lstr_offset,lstr->lstr_len, |
269 | str->str_ptr,str->str_cur); |
270 | } |
271 | break; |
272 | |
273 | case 'v': |
274 | do_vecset(mstr,str); |
275 | break; |
276 | |
277 | case 0: |
278 | switch (*stab->str_magic->str_ptr) { |
9f68db38 |
279 | case '.': |
280 | if (localizing) |
281 | savesptr((STR**)&last_in_stab); |
282 | break; |
8d063cd8 |
283 | case '^': |
a687059c |
284 | Safefree(stab_io(curoutstab)->top_name); |
285 | stab_io(curoutstab)->top_name = s = savestr(str_get(str)); |
286 | stab_io(curoutstab)->top_stab = stabent(s,TRUE); |
8d063cd8 |
287 | break; |
288 | case '~': |
a687059c |
289 | Safefree(stab_io(curoutstab)->fmt_name); |
290 | stab_io(curoutstab)->fmt_name = s = savestr(str_get(str)); |
291 | stab_io(curoutstab)->fmt_stab = stabent(s,TRUE); |
8d063cd8 |
292 | break; |
293 | case '=': |
a687059c |
294 | stab_io(curoutstab)->page_len = (long)str_gnum(str); |
8d063cd8 |
295 | break; |
296 | case '-': |
a687059c |
297 | stab_io(curoutstab)->lines_left = (long)str_gnum(str); |
298 | if (stab_io(curoutstab)->lines_left < 0L) |
299 | stab_io(curoutstab)->lines_left = 0L; |
8d063cd8 |
300 | break; |
301 | case '%': |
a687059c |
302 | stab_io(curoutstab)->page = (long)str_gnum(str); |
8d063cd8 |
303 | break; |
304 | case '|': |
a687059c |
305 | stab_io(curoutstab)->flags &= ~IOF_FLUSH; |
8d063cd8 |
306 | if (str_gnum(str) != 0.0) { |
a687059c |
307 | stab_io(curoutstab)->flags |= IOF_FLUSH; |
8d063cd8 |
308 | } |
309 | break; |
310 | case '*': |
a687059c |
311 | i = (int)str_gnum(str); |
312 | multiline = (i != 0); |
8d063cd8 |
313 | break; |
314 | case '/': |
79a0689e |
315 | if (str->str_pok) { |
9f68db38 |
316 | record_separator = *str_get(str); |
317 | rslen = str->str_cur; |
318 | } |
319 | else { |
320 | record_separator = 12345; /* fake a non-existent char */ |
321 | rslen = 1; |
322 | } |
8d063cd8 |
323 | break; |
324 | case '\\': |
325 | if (ors) |
a687059c |
326 | Safefree(ors); |
8d063cd8 |
327 | ors = savestr(str_get(str)); |
a687059c |
328 | orslen = str->str_cur; |
8d063cd8 |
329 | break; |
330 | case ',': |
331 | if (ofs) |
a687059c |
332 | Safefree(ofs); |
8d063cd8 |
333 | ofs = savestr(str_get(str)); |
a687059c |
334 | ofslen = str->str_cur; |
8d063cd8 |
335 | break; |
336 | case '#': |
337 | if (ofmt) |
a687059c |
338 | Safefree(ofmt); |
8d063cd8 |
339 | ofmt = savestr(str_get(str)); |
340 | break; |
341 | case '[': |
342 | arybase = (int)str_gnum(str); |
343 | break; |
378cc40b |
344 | case '?': |
345 | statusvalue = (unsigned short)str_gnum(str); |
346 | break; |
8d063cd8 |
347 | case '!': |
348 | errno = (int)str_gnum(str); /* will anyone ever use this? */ |
349 | break; |
378cc40b |
350 | case '<': |
378cc40b |
351 | uid = (int)str_gnum(str); |
a687059c |
352 | #ifdef SETREUID |
353 | if (delaymagic) { |
354 | delaymagic |= DM_REUID; |
355 | break; /* don't do magic till later */ |
356 | } |
357 | #endif /* SETREUID */ |
358 | #ifdef SETRUID |
359 | if (setruid((UIDTYPE)uid) < 0) |
360 | uid = (int)getuid(); |
361 | #else |
362 | #ifdef SETREUID |
363 | if (setreuid((UIDTYPE)uid, (UIDTYPE)-1) < 0) |
378cc40b |
364 | uid = (int)getuid(); |
365 | #else |
366 | fatal("setruid() not implemented"); |
367 | #endif |
a687059c |
368 | #endif |
378cc40b |
369 | break; |
370 | case '>': |
378cc40b |
371 | euid = (int)str_gnum(str); |
a687059c |
372 | #ifdef SETREUID |
373 | if (delaymagic) { |
374 | delaymagic |= DM_REUID; |
375 | break; /* don't do magic till later */ |
376 | } |
377 | #endif /* SETREUID */ |
378 | #ifdef SETEUID |
379 | if (seteuid((UIDTYPE)euid) < 0) |
380 | euid = (int)geteuid(); |
381 | #else |
382 | #ifdef SETREUID |
383 | if (setreuid((UIDTYPE)-1, (UIDTYPE)euid) < 0) |
378cc40b |
384 | euid = (int)geteuid(); |
385 | #else |
386 | fatal("seteuid() not implemented"); |
387 | #endif |
a687059c |
388 | #endif |
378cc40b |
389 | break; |
390 | case '(': |
a687059c |
391 | gid = (int)str_gnum(str); |
392 | #ifdef SETREGID |
393 | if (delaymagic) { |
394 | delaymagic |= DM_REGID; |
395 | break; /* don't do magic till later */ |
396 | } |
397 | #endif /* SETREGID */ |
378cc40b |
398 | #ifdef SETRGID |
a687059c |
399 | (void)setrgid((GIDTYPE)gid); |
400 | #else |
401 | #ifdef SETREGID |
402 | (void)setregid((GIDTYPE)gid, (GIDTYPE)-1); |
378cc40b |
403 | #else |
404 | fatal("setrgid() not implemented"); |
405 | #endif |
a687059c |
406 | #endif |
378cc40b |
407 | break; |
408 | case ')': |
a687059c |
409 | egid = (int)str_gnum(str); |
410 | #ifdef SETREGID |
411 | if (delaymagic) { |
412 | delaymagic |= DM_REGID; |
413 | break; /* don't do magic till later */ |
414 | } |
415 | #endif /* SETREGID */ |
378cc40b |
416 | #ifdef SETEGID |
a687059c |
417 | (void)setegid((GIDTYPE)egid); |
418 | #else |
419 | #ifdef SETREGID |
420 | (void)setregid((GIDTYPE)-1, (GIDTYPE)egid); |
378cc40b |
421 | #else |
422 | fatal("setegid() not implemented"); |
423 | #endif |
a687059c |
424 | #endif |
425 | break; |
426 | case ':': |
427 | chopset = str_get(str); |
378cc40b |
428 | break; |
8d063cd8 |
429 | } |
a687059c |
430 | break; |
378cc40b |
431 | } |
8d063cd8 |
432 | } |
433 | |
378cc40b |
434 | whichsig(sig) |
435 | char *sig; |
8d063cd8 |
436 | { |
437 | register char **sigv; |
438 | |
439 | for (sigv = sig_name+1; *sigv; sigv++) |
378cc40b |
440 | if (strEQ(sig,*sigv)) |
8d063cd8 |
441 | return sigv - sig_name; |
a687059c |
442 | #ifdef SIGCLD |
443 | if (strEQ(sig,"CHLD")) |
444 | return SIGCLD; |
445 | #endif |
446 | #ifdef SIGCHLD |
447 | if (strEQ(sig,"CLD")) |
448 | return SIGCHLD; |
449 | #endif |
8d063cd8 |
450 | return 0; |
451 | } |
452 | |
663a0e37 |
453 | static handlertype |
8d063cd8 |
454 | sighandler(sig) |
455 | int sig; |
456 | { |
457 | STAB *stab; |
458 | ARRAY *savearray; |
459 | STR *str; |
378cc40b |
460 | char *oldfile = filename; |
461 | int oldsave = savestack->ary_fill; |
a687059c |
462 | ARRAY *oldstack = stack; |
378cc40b |
463 | SUBR *sub; |
8d063cd8 |
464 | |
a687059c |
465 | stab = stabent( |
466 | str_get(hfetch(stab_hash(sigstab),sig_name[sig],strlen(sig_name[sig]), |
467 | TRUE)), TRUE); |
468 | sub = stab_sub(stab); |
469 | if (!sub && *sig_name[sig] == 'C' && instr(sig_name[sig],"LD")) { |
470 | if (sig_name[sig][1] == 'H') |
471 | stab = stabent(str_get(hfetch(stab_hash(sigstab),"CLD",3,TRUE)), |
472 | TRUE); |
473 | else |
474 | stab = stabent(str_get(hfetch(stab_hash(sigstab),"CHLD",4,TRUE)), |
475 | TRUE); |
476 | sub = stab_sub(stab); /* gag */ |
477 | } |
378cc40b |
478 | if (!sub) { |
479 | if (dowarn) |
480 | warn("SIG%s handler \"%s\" not defined.\n", |
a687059c |
481 | sig_name[sig], stab_name(stab) ); |
378cc40b |
482 | return; |
483 | } |
a687059c |
484 | savearray = stab_xarray(defstab); |
485 | stab_xarray(defstab) = stack = anew(defstab); |
486 | stack->ary_flags = 0; |
487 | str = Str_new(71,0); |
8d063cd8 |
488 | str_set(str,sig_name[sig]); |
a687059c |
489 | (void)apush(stab_xarray(defstab),str); |
378cc40b |
490 | sub->depth++; |
491 | if (sub->depth >= 2) { /* save temporaries on recursion? */ |
492 | if (sub->depth == 100 && dowarn) |
a687059c |
493 | warn("Deep recursion on subroutine \"%s\"",stab_name(stab)); |
378cc40b |
494 | savelist(sub->tosave->ary_array,sub->tosave->ary_fill); |
495 | } |
496 | filename = sub->filename; |
497 | |
a687059c |
498 | (void)cmd_exec(sub->cmd,G_SCALAR,1); /* so do it already */ |
378cc40b |
499 | |
500 | sub->depth--; /* assuming no longjumps out of here */ |
a687059c |
501 | str_free(stack->ary_array[0]); /* free the one real string */ |
502 | afree(stab_xarray(defstab)); /* put back old $_[] */ |
503 | stab_xarray(defstab) = savearray; |
504 | stack = oldstack; |
378cc40b |
505 | filename = oldfile; |
506 | if (savestack->ary_fill > oldsave) |
507 | restorelist(oldsave); |
8d063cd8 |
508 | } |
509 | |
8d063cd8 |
510 | STAB * |
511 | aadd(stab) |
512 | register STAB *stab; |
513 | { |
a687059c |
514 | if (!stab_xarray(stab)) |
515 | stab_xarray(stab) = anew(stab); |
8d063cd8 |
516 | return stab; |
517 | } |
518 | |
519 | STAB * |
520 | hadd(stab) |
521 | register STAB *stab; |
522 | { |
a687059c |
523 | if (!stab_xhash(stab)) |
524 | stab_xhash(stab) = hnew(COEFFSIZE); |
8d063cd8 |
525 | return stab; |
526 | } |
378cc40b |
527 | |
528 | STAB * |
529 | stabent(name,add) |
530 | register char *name; |
531 | int add; |
532 | { |
533 | register STAB *stab; |
a687059c |
534 | register STBP *stbp; |
535 | int len; |
536 | register char *namend; |
537 | HASH *stash; |
538 | char *sawquote = Nullch; |
539 | char *prevquote = Nullch; |
540 | bool global = FALSE; |
378cc40b |
541 | |
a687059c |
542 | if (isascii(*name) && isupper(*name)) { |
543 | if (*name > 'I') { |
544 | if (*name == 'S' && ( |
545 | strEQ(name, "SIG") || |
546 | strEQ(name, "STDIN") || |
547 | strEQ(name, "STDOUT") || |
548 | strEQ(name, "STDERR") )) |
549 | global = TRUE; |
378cc40b |
550 | } |
a687059c |
551 | else if (*name > 'E') { |
552 | if (*name == 'I' && strEQ(name, "INC")) |
553 | global = TRUE; |
554 | } |
555 | else if (*name >= 'A') { |
556 | if (*name == 'E' && strEQ(name, "ENV")) |
557 | global = TRUE; |
558 | } |
559 | else if (*name == 'A' && ( |
560 | strEQ(name, "ARGV") || |
561 | strEQ(name, "ARGVOUT") )) |
562 | global = TRUE; |
563 | } |
564 | for (namend = name; *namend; namend++) { |
565 | if (*namend == '\'' && namend[1]) |
566 | prevquote = sawquote, sawquote = namend; |
567 | } |
568 | if (sawquote == name && name[1]) { |
569 | stash = defstash; |
570 | sawquote = Nullch; |
571 | name++; |
572 | } |
573 | else if (!isalpha(*name) || global) |
574 | stash = defstash; |
575 | else |
576 | stash = curstash; |
577 | if (sawquote) { |
578 | char tmpbuf[256]; |
579 | char *s, *d; |
580 | |
581 | *sawquote = '\0'; |
582 | if (s = prevquote) { |
583 | strncpy(tmpbuf,name,s-name+1); |
584 | d = tmpbuf+(s-name+1); |
585 | *d++ = '_'; |
586 | strcpy(d,s+1); |
587 | } |
588 | else { |
589 | *tmpbuf = '_'; |
590 | strcpy(tmpbuf+1,name); |
591 | } |
592 | stab = stabent(tmpbuf,TRUE); |
593 | if (!(stash = stab_xhash(stab))) |
594 | stash = stab_xhash(stab) = hnew(0); |
595 | name = sawquote+1; |
596 | *sawquote = '\''; |
378cc40b |
597 | } |
a687059c |
598 | len = namend - name; |
599 | stab = (STAB*)hfetch(stash,name,len,add); |
600 | if (!stab) |
601 | return Nullstab; |
602 | if (stab->str_pok) { |
603 | stab->str_pok |= SP_MULTI; |
604 | return stab; |
605 | } |
606 | else { |
607 | if (stab->str_len) |
608 | Safefree(stab->str_ptr); |
609 | Newz(602,stbp, 1, STBP); |
610 | stab->str_ptr = stbp; |
611 | stab->str_len = stab->str_cur = sizeof(STBP); |
612 | stab->str_pok = 1; |
9f68db38 |
613 | strcpy(stab_magic(stab),"StB"); |
a687059c |
614 | stab_val(stab) = Str_new(72,0); |
615 | stab_line(stab) = line; |
616 | str_magic(stab,stab,'*',name,len); |
378cc40b |
617 | return stab; |
618 | } |
378cc40b |
619 | } |
620 | |
621 | STIO * |
622 | stio_new() |
623 | { |
a687059c |
624 | STIO *stio; |
378cc40b |
625 | |
a687059c |
626 | Newz(603,stio,1,STIO); |
378cc40b |
627 | stio->page_len = 60; |
628 | return stio; |
629 | } |
630 | |
631 | stab_check(min,max) |
632 | int min; |
633 | register int max; |
634 | { |
a687059c |
635 | register HENT *entry; |
378cc40b |
636 | register int i; |
637 | register STAB *stab; |
638 | |
639 | for (i = min; i <= max; i++) { |
a687059c |
640 | for (entry = defstash->tbl_array[i]; entry; entry = entry->hent_next) { |
641 | stab = (STAB*)entry->hent_val; |
642 | if (stab->str_pok & SP_MULTI) |
378cc40b |
643 | continue; |
a687059c |
644 | line = stab_line(stab); |
645 | warn("Possible typo: \"%s\"", stab_name(stab)); |
378cc40b |
646 | } |
647 | } |
648 | } |
a687059c |
649 | |
650 | static int gensym = 0; |
651 | |
652 | STAB * |
653 | genstab() |
654 | { |
655 | (void)sprintf(tokenbuf,"_GEN_%d",gensym++); |
656 | return stabent(tokenbuf,TRUE); |
657 | } |
658 | |
659 | /* hopefully this is only called on local symbol table entries */ |
660 | |
661 | void |
662 | stab_clear(stab) |
663 | register STAB *stab; |
664 | { |
665 | STIO *stio; |
666 | SUBR *sub; |
667 | |
668 | afree(stab_xarray(stab)); |
669 | (void)hfree(stab_xhash(stab)); |
670 | str_free(stab_val(stab)); |
671 | if (stio = stab_io(stab)) { |
672 | do_close(stab,FALSE); |
673 | Safefree(stio->top_name); |
674 | Safefree(stio->fmt_name); |
675 | } |
676 | if (sub = stab_sub(stab)) { |
677 | afree(sub->tosave); |
678 | cmd_free(sub->cmd); |
679 | } |
680 | Safefree(stab->str_ptr); |
681 | stab->str_ptr = Null(STBP*); |
682 | stab->str_len = 0; |
683 | stab->str_cur = 0; |
684 | } |
685 | |
9f68db38 |
686 | #if defined(CRIPPLED_CC) && (defined(iAPX286) || defined(M_I286) || defined(I80286)) |
687 | #define MICROPORT |
688 | #endif |
689 | |
690 | #ifdef MICROPORT /* Microport 2.4 hack */ |
691 | ARRAY *stab_array(stab) |
692 | register STAB *stab; |
693 | { |
694 | if (((STBP*)(stab->str_ptr))->stbp_array) |
695 | return ((STBP*)(stab->str_ptr))->stbp_array; |
696 | else |
697 | return ((STBP*)(aadd(stab)->str_ptr))->stbp_array; |
698 | } |
699 | |
700 | HASH *stab_hash(stab) |
701 | register STAB *stab; |
702 | { |
703 | if (((STBP*)(stab->str_ptr))->stbp_hash) |
704 | return ((STBP*)(stab->str_ptr))->stbp_hash; |
705 | else |
706 | return ((STBP*)(hadd(stab)->str_ptr))->stbp_hash; |
707 | } |
708 | #endif /* Microport 2.4 hack */ |