Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* scope.c |
79072805 | 2 | * |
9607fc9c | 3 | * Copyright (c) 1991-1997, Larry Wall |
79072805 LW |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public | |
6 | * License or the Artistic License, as specified in the README file. | |
7 | * | |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "For the fashion of Minas Tirith was such that it was built on seven | |
12 | * levels..." | |
79072805 LW |
13 | */ |
14 | ||
15 | #include "EXTERN.h" | |
16 | #include "perl.h" | |
17 | ||
a0d0e21e LW |
18 | SV** |
19 | stack_grow(sp, p, n) | |
20 | SV** sp; | |
21 | SV** p; | |
22 | int n; | |
23 | { | |
24 | stack_sp = sp; | |
1f96a9ed | 25 | av_extend(curstack, (p - stack_base) + (n) + 128); |
a0d0e21e LW |
26 | return stack_sp; |
27 | } | |
28 | ||
79072805 LW |
29 | I32 |
30 | cxinc() | |
31 | { | |
32 | cxstack_max = cxstack_max * 3 / 2; | |
a38d6535 | 33 | Renew(cxstack, cxstack_max + 1, CONTEXT); /* XXX should fix CXINC macro */ |
79072805 LW |
34 | return cxstack_ix + 1; |
35 | } | |
36 | ||
37 | void | |
38 | push_return(retop) | |
39 | OP *retop; | |
40 | { | |
41 | if (retstack_ix == retstack_max) { | |
42 | retstack_max = retstack_max * 3 / 2; | |
43 | Renew(retstack, retstack_max, OP*); | |
44 | } | |
45 | retstack[retstack_ix++] = retop; | |
46 | } | |
47 | ||
48 | OP * | |
49 | pop_return() | |
50 | { | |
51 | if (retstack_ix > 0) | |
52 | return retstack[--retstack_ix]; | |
53 | else | |
54 | return Nullop; | |
55 | } | |
56 | ||
57 | void | |
58 | push_scope() | |
59 | { | |
60 | if (scopestack_ix == scopestack_max) { | |
61 | scopestack_max = scopestack_max * 3 / 2; | |
62 | Renew(scopestack, scopestack_max, I32); | |
63 | } | |
64 | scopestack[scopestack_ix++] = savestack_ix; | |
65 | ||
66 | } | |
67 | ||
68 | void | |
69 | pop_scope() | |
70 | { | |
71 | I32 oldsave = scopestack[--scopestack_ix]; | |
8990e307 | 72 | LEAVE_SCOPE(oldsave); |
79072805 LW |
73 | } |
74 | ||
75 | void | |
a0d0e21e LW |
76 | markstack_grow() |
77 | { | |
78 | I32 oldmax = markstack_max - markstack; | |
79 | I32 newmax = oldmax * 3 / 2; | |
80 | ||
81 | Renew(markstack, newmax, I32); | |
82 | markstack_ptr = markstack + oldmax; | |
83 | markstack_max = markstack + newmax; | |
84 | } | |
85 | ||
86 | void | |
79072805 LW |
87 | savestack_grow() |
88 | { | |
89 | savestack_max = savestack_max * 3 / 2; | |
90 | Renew(savestack, savestack_max, ANY); | |
91 | } | |
92 | ||
93 | void | |
94 | free_tmps() | |
95 | { | |
96 | /* XXX should tmps_floor live in cxstack? */ | |
97 | I32 myfloor = tmps_floor; | |
98 | while (tmps_ix > myfloor) { /* clean up after last statement */ | |
99 | SV* sv = tmps_stack[tmps_ix]; | |
100 | tmps_stack[tmps_ix--] = Nullsv; | |
463ee0b2 LW |
101 | if (sv) { |
102 | #ifdef DEBUGGING | |
103 | SvTEMP_off(sv); | |
104 | #endif | |
8990e307 | 105 | SvREFCNT_dec(sv); /* note, can modify tmps_ix!!! */ |
463ee0b2 | 106 | } |
79072805 LW |
107 | } |
108 | } | |
109 | ||
7a4c00b4 | 110 | static SV * |
111 | save_scalar_at(sptr) | |
112 | SV **sptr; | |
79072805 LW |
113 | { |
114 | register SV *sv; | |
7a4c00b4 | 115 | SV *osv = *sptr; |
79072805 | 116 | |
7a4c00b4 | 117 | sv = *sptr = NEWSV(0,0); |
a0d0e21e | 118 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) { |
79072805 | 119 | sv_upgrade(sv, SvTYPE(osv)); |
a0d0e21e | 120 | if (SvGMAGICAL(osv)) { |
748a9306 LW |
121 | MAGIC* mg; |
122 | bool oldtainted = tainted; | |
a0d0e21e | 123 | mg_get(osv); |
748a9306 LW |
124 | if (tainting && tainted && (mg = mg_find(osv, 't'))) { |
125 | SAVESPTR(mg->mg_obj); | |
126 | mg->mg_obj = osv; | |
127 | } | |
a0d0e21e LW |
128 | SvFLAGS(osv) |= (SvFLAGS(osv) & |
129 | (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; | |
748a9306 | 130 | tainted = oldtainted; |
a0d0e21e | 131 | } |
79072805 | 132 | SvMAGIC(sv) = SvMAGIC(osv); |
a0d0e21e | 133 | SvFLAGS(sv) |= SvMAGICAL(osv); |
748a9306 | 134 | localizing = 1; |
79072805 | 135 | SvSETMAGIC(sv); |
748a9306 | 136 | localizing = 0; |
79072805 LW |
137 | } |
138 | return sv; | |
139 | } | |
140 | ||
7a4c00b4 | 141 | SV * |
142 | save_scalar(gv) | |
143 | GV *gv; | |
144 | { | |
145 | SSCHECK(3); | |
146 | SSPUSHPTR(gv); | |
147 | SSPUSHPTR(GvSV(gv)); | |
148 | SSPUSHINT(SAVEt_SV); | |
149 | return save_scalar_at(&GvSV(gv)); | |
150 | } | |
151 | ||
152 | SV* | |
153 | save_svref(sptr) | |
154 | SV **sptr; | |
155 | { | |
156 | SSCHECK(3); | |
157 | SSPUSHPTR(sptr); | |
158 | SSPUSHPTR(*sptr); | |
159 | SSPUSHINT(SAVEt_SVREF); | |
160 | return save_scalar_at(sptr); | |
161 | } | |
162 | ||
79072805 | 163 | void |
5f05dabc | 164 | save_gp(gv, empty) |
79072805 | 165 | GV *gv; |
5f05dabc | 166 | I32 empty; |
79072805 | 167 | { |
79072805 | 168 | SSCHECK(3); |
4633a7c4 | 169 | SSPUSHPTR(SvREFCNT_inc(gv)); |
5f05dabc | 170 | SSPUSHPTR(GvGP(gv)); |
79072805 LW |
171 | SSPUSHINT(SAVEt_GP); |
172 | ||
5f05dabc | 173 | if (empty) { |
174 | register GP *gp; | |
175 | Newz(602, gp, 1, GP); | |
44a8e56a | 176 | GvGP(gv) = gp_ref(gp); |
5f05dabc | 177 | GvSV(gv) = NEWSV(72,0); |
178 | GvLINE(gv) = curcop->cop_line; | |
179 | GvEGV(gv) = gv; | |
180 | } | |
181 | else { | |
44a8e56a | 182 | gp_ref(GvGP(gv)); |
5f05dabc | 183 | GvINTRO_on(gv); |
184 | } | |
79072805 | 185 | } |
79072805 | 186 | |
79072805 LW |
187 | AV * |
188 | save_ary(gv) | |
189 | GV *gv; | |
190 | { | |
191 | SSCHECK(3); | |
192 | SSPUSHPTR(gv); | |
193 | SSPUSHPTR(GvAVn(gv)); | |
194 | SSPUSHINT(SAVEt_AV); | |
195 | ||
196 | GvAV(gv) = Null(AV*); | |
197 | return GvAVn(gv); | |
198 | } | |
199 | ||
200 | HV * | |
201 | save_hash(gv) | |
202 | GV *gv; | |
203 | { | |
204 | SSCHECK(3); | |
205 | SSPUSHPTR(gv); | |
206 | SSPUSHPTR(GvHVn(gv)); | |
207 | SSPUSHINT(SAVEt_HV); | |
208 | ||
209 | GvHV(gv) = Null(HV*); | |
210 | return GvHVn(gv); | |
211 | } | |
212 | ||
213 | void | |
214 | save_item(item) | |
215 | register SV *item; | |
216 | { | |
217 | register SV *sv; | |
218 | ||
219 | SSCHECK(3); | |
220 | SSPUSHPTR(item); /* remember the pointer */ | |
221 | sv = NEWSV(0,0); | |
222 | sv_setsv(sv,item); | |
223 | SSPUSHPTR(sv); /* remember the value */ | |
224 | SSPUSHINT(SAVEt_ITEM); | |
225 | } | |
226 | ||
227 | void | |
228 | save_int(intp) | |
229 | int *intp; | |
230 | { | |
231 | SSCHECK(3); | |
232 | SSPUSHINT(*intp); | |
233 | SSPUSHPTR(intp); | |
234 | SSPUSHINT(SAVEt_INT); | |
235 | } | |
236 | ||
237 | void | |
85e6fe83 LW |
238 | save_long(longp) |
239 | long *longp; | |
240 | { | |
241 | SSCHECK(3); | |
242 | SSPUSHLONG(*longp); | |
243 | SSPUSHPTR(longp); | |
244 | SSPUSHINT(SAVEt_LONG); | |
245 | } | |
246 | ||
247 | void | |
79072805 LW |
248 | save_I32(intp) |
249 | I32 *intp; | |
250 | { | |
251 | SSCHECK(3); | |
252 | SSPUSHINT(*intp); | |
253 | SSPUSHPTR(intp); | |
254 | SSPUSHINT(SAVEt_I32); | |
255 | } | |
256 | ||
a0d0e21e | 257 | void |
55497cff | 258 | save_I16(intp) |
259 | I16 *intp; | |
260 | { | |
261 | SSCHECK(3); | |
262 | SSPUSHINT(*intp); | |
263 | SSPUSHPTR(intp); | |
264 | SSPUSHINT(SAVEt_I16); | |
265 | } | |
266 | ||
267 | void | |
a0d0e21e LW |
268 | save_iv(ivp) |
269 | IV *ivp; | |
270 | { | |
271 | SSCHECK(3); | |
4aa0a1f7 | 272 | SSPUSHIV(*ivp); |
a0d0e21e LW |
273 | SSPUSHPTR(ivp); |
274 | SSPUSHINT(SAVEt_IV); | |
275 | } | |
276 | ||
85e6fe83 LW |
277 | /* Cannot use save_sptr() to store a char* since the SV** cast will |
278 | * force word-alignment and we'll miss the pointer. | |
279 | */ | |
280 | void | |
281 | save_pptr(pptr) | |
282 | char **pptr; | |
283 | { | |
284 | SSCHECK(3); | |
285 | SSPUSHPTR(*pptr); | |
286 | SSPUSHPTR(pptr); | |
287 | SSPUSHINT(SAVEt_PPTR); | |
288 | } | |
289 | ||
79072805 LW |
290 | void |
291 | save_sptr(sptr) | |
292 | SV **sptr; | |
293 | { | |
294 | SSCHECK(3); | |
295 | SSPUSHPTR(*sptr); | |
296 | SSPUSHPTR(sptr); | |
297 | SSPUSHINT(SAVEt_SPTR); | |
298 | } | |
299 | ||
300 | void | |
301 | save_nogv(gv) | |
302 | GV *gv; | |
303 | { | |
304 | SSCHECK(2); | |
305 | SSPUSHPTR(gv); | |
306 | SSPUSHINT(SAVEt_NSTAB); | |
307 | } | |
308 | ||
309 | void | |
310 | save_hptr(hptr) | |
311 | HV **hptr; | |
312 | { | |
313 | SSCHECK(3); | |
85e6fe83 | 314 | SSPUSHPTR(*hptr); |
79072805 LW |
315 | SSPUSHPTR(hptr); |
316 | SSPUSHINT(SAVEt_HPTR); | |
317 | } | |
318 | ||
319 | void | |
320 | save_aptr(aptr) | |
321 | AV **aptr; | |
322 | { | |
323 | SSCHECK(3); | |
85e6fe83 | 324 | SSPUSHPTR(*aptr); |
79072805 LW |
325 | SSPUSHPTR(aptr); |
326 | SSPUSHINT(SAVEt_APTR); | |
327 | } | |
328 | ||
329 | void | |
8990e307 LW |
330 | save_freesv(sv) |
331 | SV *sv; | |
332 | { | |
333 | SSCHECK(2); | |
334 | SSPUSHPTR(sv); | |
335 | SSPUSHINT(SAVEt_FREESV); | |
336 | } | |
337 | ||
338 | void | |
339 | save_freeop(op) | |
340 | OP *op; | |
341 | { | |
342 | SSCHECK(2); | |
343 | SSPUSHPTR(op); | |
344 | SSPUSHINT(SAVEt_FREEOP); | |
345 | } | |
346 | ||
347 | void | |
348 | save_freepv(pv) | |
349 | char *pv; | |
350 | { | |
351 | SSCHECK(2); | |
352 | SSPUSHPTR(pv); | |
353 | SSPUSHINT(SAVEt_FREEPV); | |
354 | } | |
355 | ||
356 | void | |
357 | save_clearsv(svp) | |
358 | SV** svp; | |
359 | { | |
360 | SSCHECK(2); | |
4aa0a1f7 | 361 | SSPUSHLONG((long)(svp-curpad)); |
8990e307 LW |
362 | SSPUSHINT(SAVEt_CLEARSV); |
363 | } | |
364 | ||
365 | void | |
366 | save_delete(hv,key,klen) | |
367 | HV *hv; | |
368 | char *key; | |
369 | I32 klen; | |
370 | { | |
371 | SSCHECK(4); | |
372 | SSPUSHINT(klen); | |
373 | SSPUSHPTR(key); | |
374 | SSPUSHPTR(hv); | |
375 | SSPUSHINT(SAVEt_DELETE); | |
376 | } | |
377 | ||
378 | void | |
79072805 LW |
379 | save_list(sarg,maxsarg) |
380 | register SV **sarg; | |
381 | I32 maxsarg; | |
382 | { | |
383 | register SV *sv; | |
384 | register I32 i; | |
385 | ||
386 | SSCHECK(3 * maxsarg); | |
387 | for (i = 1; i <= maxsarg; i++) { | |
388 | SSPUSHPTR(sarg[i]); /* remember the pointer */ | |
389 | sv = NEWSV(0,0); | |
390 | sv_setsv(sv,sarg[i]); | |
391 | SSPUSHPTR(sv); /* remember the value */ | |
392 | SSPUSHINT(SAVEt_ITEM); | |
393 | } | |
394 | } | |
395 | ||
396 | void | |
a0d0e21e LW |
397 | save_destructor(f,p) |
398 | void (*f) _((void*)); | |
399 | void* p; | |
400 | { | |
401 | SSCHECK(3); | |
402 | SSPUSHDPTR(f); | |
403 | SSPUSHPTR(p); | |
404 | SSPUSHINT(SAVEt_DESTRUCTOR); | |
405 | } | |
406 | ||
407 | void | |
79072805 LW |
408 | leave_scope(base) |
409 | I32 base; | |
410 | { | |
411 | register SV *sv; | |
412 | register SV *value; | |
413 | register GV *gv; | |
414 | register AV *av; | |
415 | register HV *hv; | |
416 | register void* ptr; | |
417 | ||
418 | if (base < -1) | |
463ee0b2 | 419 | croak("panic: corrupt saved stack index"); |
79072805 LW |
420 | while (savestack_ix > base) { |
421 | switch (SSPOPINT) { | |
422 | case SAVEt_ITEM: /* normal string */ | |
423 | value = (SV*)SSPOPPTR; | |
424 | sv = (SV*)SSPOPPTR; | |
425 | sv_replace(sv,value); | |
748a9306 | 426 | localizing = 2; |
79072805 | 427 | SvSETMAGIC(sv); |
748a9306 | 428 | localizing = 0; |
79072805 LW |
429 | break; |
430 | case SAVEt_SV: /* scalar reference */ | |
431 | value = (SV*)SSPOPPTR; | |
432 | gv = (GV*)SSPOPPTR; | |
7a4c00b4 | 433 | ptr = &GvSV(gv); |
434 | goto restore_sv; | |
79072805 | 435 | case SAVEt_SVREF: /* scalar reference */ |
7a4c00b4 | 436 | value = (SV*)SSPOPPTR; |
79072805 | 437 | ptr = SSPOPPTR; |
7a4c00b4 | 438 | restore_sv: |
79072805 | 439 | sv = *(SV**)ptr; |
748a9306 LW |
440 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv) && |
441 | SvTYPE(sv) != SVt_PVGV) | |
442 | { | |
a0d0e21e LW |
443 | (void)SvUPGRADE(value, SvTYPE(sv)); |
444 | SvMAGIC(value) = SvMAGIC(sv); | |
445 | SvFLAGS(value) |= SvMAGICAL(sv); | |
446 | SvMAGICAL_off(sv); | |
79072805 | 447 | SvMAGIC(sv) = 0; |
a0d0e21e | 448 | } |
7a4c00b4 | 449 | else if (SvTYPE(value) >= SVt_PVMG && SvMAGIC(value) && |
450 | SvTYPE(value) != SVt_PVGV) | |
451 | { | |
452 | SvFLAGS(value) |= (SvFLAGS(value) & | |
453 | (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; | |
454 | SvMAGICAL_off(value); | |
455 | SvMAGIC(value) = 0; | |
456 | } | |
8990e307 | 457 | SvREFCNT_dec(sv); |
a0d0e21e | 458 | *(SV**)ptr = value; |
748a9306 | 459 | localizing = 2; |
a0d0e21e | 460 | SvSETMAGIC(value); |
748a9306 | 461 | localizing = 0; |
79072805 LW |
462 | break; |
463 | case SAVEt_AV: /* array reference */ | |
464 | av = (AV*)SSPOPPTR; | |
465 | gv = (GV*)SSPOPPTR; | |
8990e307 | 466 | SvREFCNT_dec(GvAV(gv)); |
79072805 LW |
467 | GvAV(gv) = av; |
468 | break; | |
469 | case SAVEt_HV: /* hash reference */ | |
470 | hv = (HV*)SSPOPPTR; | |
471 | gv = (GV*)SSPOPPTR; | |
8990e307 | 472 | SvREFCNT_dec(GvHV(gv)); |
79072805 LW |
473 | GvHV(gv) = hv; |
474 | break; | |
475 | case SAVEt_INT: /* int reference */ | |
476 | ptr = SSPOPPTR; | |
477 | *(int*)ptr = (int)SSPOPINT; | |
478 | break; | |
85e6fe83 LW |
479 | case SAVEt_LONG: /* long reference */ |
480 | ptr = SSPOPPTR; | |
481 | *(long*)ptr = (long)SSPOPLONG; | |
482 | break; | |
79072805 LW |
483 | case SAVEt_I32: /* I32 reference */ |
484 | ptr = SSPOPPTR; | |
485 | *(I32*)ptr = (I32)SSPOPINT; | |
486 | break; | |
55497cff | 487 | case SAVEt_I16: /* I16 reference */ |
488 | ptr = SSPOPPTR; | |
489 | *(I16*)ptr = (I16)SSPOPINT; | |
490 | break; | |
a0d0e21e LW |
491 | case SAVEt_IV: /* IV reference */ |
492 | ptr = SSPOPPTR; | |
493 | *(IV*)ptr = (IV)SSPOPIV; | |
494 | break; | |
79072805 LW |
495 | case SAVEt_SPTR: /* SV* reference */ |
496 | ptr = SSPOPPTR; | |
497 | *(SV**)ptr = (SV*)SSPOPPTR; | |
498 | break; | |
85e6fe83 LW |
499 | case SAVEt_PPTR: /* char* reference */ |
500 | ptr = SSPOPPTR; | |
501 | *(char**)ptr = (char*)SSPOPPTR; | |
502 | break; | |
79072805 LW |
503 | case SAVEt_HPTR: /* HV* reference */ |
504 | ptr = SSPOPPTR; | |
505 | *(HV**)ptr = (HV*)SSPOPPTR; | |
506 | break; | |
507 | case SAVEt_APTR: /* AV* reference */ | |
508 | ptr = SSPOPPTR; | |
509 | *(AV**)ptr = (AV*)SSPOPPTR; | |
510 | break; | |
511 | case SAVEt_NSTAB: | |
512 | gv = (GV*)SSPOPPTR; | |
1f96a9ed | 513 | (void)sv_clear((SV*)gv); |
79072805 LW |
514 | break; |
515 | case SAVEt_GP: /* scalar reference */ | |
516 | ptr = SSPOPPTR; | |
517 | gv = (GV*)SSPOPPTR; | |
518 | gp_free(gv); | |
519 | GvGP(gv) = (GP*)ptr; | |
4633a7c4 | 520 | SvREFCNT_dec(gv); |
79072805 | 521 | break; |
8990e307 LW |
522 | case SAVEt_FREESV: |
523 | ptr = SSPOPPTR; | |
524 | SvREFCNT_dec((SV*)ptr); | |
525 | break; | |
526 | case SAVEt_FREEOP: | |
527 | ptr = SSPOPPTR; | |
46fc3d4c | 528 | if (comppad) |
529 | curpad = AvARRAY(comppad); | |
8990e307 LW |
530 | op_free((OP*)ptr); |
531 | break; | |
532 | case SAVEt_FREEPV: | |
533 | ptr = SSPOPPTR; | |
534 | Safefree((char*)ptr); | |
535 | break; | |
536 | case SAVEt_CLEARSV: | |
4aa0a1f7 | 537 | ptr = (void*)&curpad[SSPOPLONG]; |
8990e307 | 538 | sv = *(SV**)ptr; |
bc44cdaf GS |
539 | /* Can clear pad variable in place? */ |
540 | if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) { | |
8990e307 LW |
541 | if (SvTHINKFIRST(sv)) { |
542 | if (SvREADONLY(sv)) | |
543 | croak("panic: leave_scope clearsv"); | |
544 | if (SvROK(sv)) | |
545 | sv_unref(sv); | |
546 | } | |
a0d0e21e LW |
547 | if (SvMAGICAL(sv)) |
548 | mg_free(sv); | |
8990e307 LW |
549 | |
550 | switch (SvTYPE(sv)) { | |
551 | case SVt_NULL: | |
552 | break; | |
553 | case SVt_PVAV: | |
44a8e56a | 554 | av_clear((AV*)sv); |
8990e307 LW |
555 | break; |
556 | case SVt_PVHV: | |
44a8e56a | 557 | hv_clear((HV*)sv); |
8990e307 LW |
558 | break; |
559 | case SVt_PVCV: | |
5377b701 CS |
560 | croak("panic: leave_scope pad code"); |
561 | case SVt_RV: | |
562 | case SVt_IV: | |
563 | case SVt_NV: | |
564 | (void)SvOK_off(sv); | |
8990e307 LW |
565 | break; |
566 | default: | |
a0d0e21e | 567 | (void)SvOK_off(sv); |
5377b701 | 568 | (void)SvOOK_off(sv); |
8990e307 LW |
569 | break; |
570 | } | |
571 | } | |
572 | else { /* Someone has a claim on this, so abandon it. */ | |
4aa0a1f7 | 573 | U32 padflags = SvFLAGS(sv) & (SVs_PADBUSY|SVs_PADMY|SVs_PADTMP); |
8990e307 LW |
574 | SvREFCNT_dec(sv); /* Cast current value to the winds. */ |
575 | switch (SvTYPE(sv)) { /* Console ourselves with a new value */ | |
576 | case SVt_PVAV: *(SV**)ptr = (SV*)newAV(); break; | |
577 | case SVt_PVHV: *(SV**)ptr = (SV*)newHV(); break; | |
578 | default: *(SV**)ptr = NEWSV(0,0); break; | |
579 | } | |
4aa0a1f7 | 580 | SvFLAGS(*(SV**)ptr) |= padflags; /* preserve pad nature */ |
8990e307 LW |
581 | } |
582 | break; | |
583 | case SAVEt_DELETE: | |
584 | ptr = SSPOPPTR; | |
585 | hv = (HV*)ptr; | |
586 | ptr = SSPOPPTR; | |
748a9306 | 587 | (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD); |
adbc6bb1 | 588 | Safefree(ptr); |
8990e307 | 589 | break; |
a0d0e21e LW |
590 | case SAVEt_DESTRUCTOR: |
591 | ptr = SSPOPPTR; | |
592 | (*SSPOPDPTR)(ptr); | |
593 | break; | |
594 | case SAVEt_REGCONTEXT: | |
8e07c86e AD |
595 | { |
596 | I32 delta = SSPOPINT; | |
597 | savestack_ix -= delta; /* regexp must have croaked */ | |
598 | } | |
a0d0e21e | 599 | break; |
55497cff | 600 | case SAVEt_STACK_POS: /* Position on Perl stack */ |
601 | { | |
602 | I32 delta = SSPOPINT; | |
603 | stack_sp = stack_base + delta; | |
604 | } | |
605 | break; | |
79072805 | 606 | default: |
463ee0b2 | 607 | croak("panic: leave_scope inconsistency"); |
79072805 LW |
608 | } |
609 | } | |
610 | } | |
8990e307 LW |
611 | |
612 | #ifdef DEBUGGING | |
1f96a9ed | 613 | |
8990e307 LW |
614 | void |
615 | cx_dump(cx) | |
616 | CONTEXT* cx; | |
617 | { | |
760ac839 | 618 | PerlIO_printf(Perl_debug_log, "CX %d = %s\n", cx - cxstack, block_type[cx->cx_type]); |
8990e307 | 619 | if (cx->cx_type != CXt_SUBST) { |
760ac839 LW |
620 | PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp); |
621 | PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%lx\n", (long)cx->blk_oldcop); | |
622 | PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp); | |
623 | PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp); | |
624 | PerlIO_printf(Perl_debug_log, "BLK_OLDRETSP = %ld\n", (long)cx->blk_oldretsp); | |
625 | PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%lx\n", (long)cx->blk_oldpm); | |
626 | PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR"); | |
8990e307 LW |
627 | } |
628 | switch (cx->cx_type) { | |
629 | case CXt_NULL: | |
630 | case CXt_BLOCK: | |
631 | break; | |
632 | case CXt_SUB: | |
760ac839 | 633 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%lx\n", |
8990e307 | 634 | (long)cx->blk_sub.cv); |
760ac839 | 635 | PerlIO_printf(Perl_debug_log, "BLK_SUB.GV = 0x%lx\n", |
8990e307 | 636 | (long)cx->blk_sub.gv); |
760ac839 | 637 | PerlIO_printf(Perl_debug_log, "BLK_SUB.DFOUTGV = 0x%lx\n", |
8990e307 | 638 | (long)cx->blk_sub.dfoutgv); |
760ac839 | 639 | PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n", |
8990e307 | 640 | (long)cx->blk_sub.olddepth); |
760ac839 | 641 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", |
8990e307 LW |
642 | (int)cx->blk_sub.hasargs); |
643 | break; | |
644 | case CXt_EVAL: | |
760ac839 | 645 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n", |
8990e307 | 646 | (long)cx->blk_eval.old_in_eval); |
760ac839 | 647 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n", |
c07a80fd | 648 | op_name[cx->blk_eval.old_op_type], |
649 | op_desc[cx->blk_eval.old_op_type]); | |
760ac839 | 650 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n", |
8990e307 | 651 | cx->blk_eval.old_name); |
760ac839 | 652 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%lx\n", |
8990e307 LW |
653 | (long)cx->blk_eval.old_eval_root); |
654 | break; | |
655 | ||
656 | case CXt_LOOP: | |
760ac839 | 657 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", |
8990e307 | 658 | cx->blk_loop.label); |
760ac839 | 659 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n", |
8990e307 | 660 | (long)cx->blk_loop.resetsp); |
760ac839 | 661 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.REDO_OP = 0x%lx\n", |
8990e307 | 662 | (long)cx->blk_loop.redo_op); |
760ac839 | 663 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%lx\n", |
8990e307 | 664 | (long)cx->blk_loop.next_op); |
760ac839 | 665 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LAST_OP = 0x%lx\n", |
8990e307 | 666 | (long)cx->blk_loop.last_op); |
760ac839 | 667 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n", |
8990e307 | 668 | (long)cx->blk_loop.iterix); |
760ac839 | 669 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%lx\n", |
8990e307 | 670 | (long)cx->blk_loop.iterary); |
760ac839 | 671 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%lx\n", |
8990e307 LW |
672 | (long)cx->blk_loop.itervar); |
673 | if (cx->blk_loop.itervar) | |
760ac839 | 674 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%lx\n", |
8990e307 | 675 | (long)cx->blk_loop.itersave); |
7a4c00b4 | 676 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERLVAL = 0x%lx\n", |
677 | (long)cx->blk_loop.iterlval); | |
8990e307 LW |
678 | break; |
679 | ||
680 | case CXt_SUBST: | |
760ac839 | 681 | PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n", |
8990e307 | 682 | (long)cx->sb_iters); |
760ac839 | 683 | PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n", |
8990e307 | 684 | (long)cx->sb_maxiters); |
760ac839 | 685 | PerlIO_printf(Perl_debug_log, "SB_SAFEBASE = %ld\n", |
8990e307 | 686 | (long)cx->sb_safebase); |
760ac839 | 687 | PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n", |
8990e307 | 688 | (long)cx->sb_once); |
760ac839 | 689 | PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n", |
8990e307 | 690 | cx->sb_orig); |
760ac839 | 691 | PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%lx\n", |
8990e307 | 692 | (long)cx->sb_dstr); |
760ac839 | 693 | PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%lx\n", |
8990e307 | 694 | (long)cx->sb_targ); |
760ac839 | 695 | PerlIO_printf(Perl_debug_log, "SB_S = 0x%lx\n", |
8990e307 | 696 | (long)cx->sb_s); |
760ac839 | 697 | PerlIO_printf(Perl_debug_log, "SB_M = 0x%lx\n", |
8990e307 | 698 | (long)cx->sb_m); |
760ac839 | 699 | PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%lx\n", |
8990e307 | 700 | (long)cx->sb_strend); |
c90c0ff4 | 701 | PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%lx\n", |
702 | (long)cx->sb_rxres); | |
8990e307 LW |
703 | break; |
704 | } | |
705 | } | |
706 | #endif |