Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* scope.c |
79072805 | 2 | * |
a0d0e21e | 3 | * Copyright (c) 1991-1994, 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; | |
25 | av_extend(stack, (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; | |
33 | Renew(cxstack, cxstack_max, CONTEXT); | |
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 | ||
110 | SV * | |
111 | save_scalar(gv) | |
112 | GV *gv; | |
113 | { | |
114 | register SV *sv; | |
115 | SV *osv = GvSV(gv); | |
116 | ||
117 | SSCHECK(3); | |
118 | SSPUSHPTR(gv); | |
119 | SSPUSHPTR(osv); | |
120 | SSPUSHINT(SAVEt_SV); | |
121 | ||
122 | sv = GvSV(gv) = NEWSV(0,0); | |
a0d0e21e | 123 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) { |
79072805 | 124 | sv_upgrade(sv, SvTYPE(osv)); |
a0d0e21e | 125 | if (SvGMAGICAL(osv)) { |
748a9306 LW |
126 | MAGIC* mg; |
127 | bool oldtainted = tainted; | |
a0d0e21e | 128 | mg_get(osv); |
748a9306 LW |
129 | if (tainting && tainted && (mg = mg_find(osv, 't'))) { |
130 | SAVESPTR(mg->mg_obj); | |
131 | mg->mg_obj = osv; | |
132 | } | |
a0d0e21e LW |
133 | SvFLAGS(osv) |= (SvFLAGS(osv) & |
134 | (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; | |
748a9306 | 135 | tainted = oldtainted; |
a0d0e21e | 136 | } |
79072805 | 137 | SvMAGIC(sv) = SvMAGIC(osv); |
a0d0e21e | 138 | SvFLAGS(sv) |= SvMAGICAL(osv); |
748a9306 | 139 | localizing = 1; |
79072805 | 140 | SvSETMAGIC(sv); |
748a9306 | 141 | localizing = 0; |
79072805 LW |
142 | } |
143 | return sv; | |
144 | } | |
145 | ||
146 | #ifdef INLINED_ELSEWHERE | |
147 | void | |
148 | save_gp(gv) | |
149 | GV *gv; | |
150 | { | |
151 | register GP *gp; | |
152 | GP *ogp = GvGP(gv); | |
153 | ||
154 | SSCHECK(3); | |
4633a7c4 | 155 | SSPUSHPTR(SvREFCNT_inc(gv)); |
79072805 LW |
156 | SSPUSHPTR(ogp); |
157 | SSPUSHINT(SAVEt_GP); | |
158 | ||
159 | Newz(602,gp, 1, GP); | |
160 | GvGP(gv) = gp; | |
161 | GvREFCNT(gv) = 1; | |
162 | GvSV(gv) = NEWSV(72,0); | |
163 | GvLINE(gv) = curcop->cop_line; | |
164 | GvEGV(gv) = gv; | |
165 | } | |
166 | #endif | |
167 | ||
168 | SV* | |
169 | save_svref(sptr) | |
170 | SV **sptr; | |
171 | { | |
172 | register SV *sv; | |
173 | SV *osv = *sptr; | |
174 | ||
175 | SSCHECK(3); | |
176 | SSPUSHPTR(*sptr); | |
177 | SSPUSHPTR(sptr); | |
178 | SSPUSHINT(SAVEt_SVREF); | |
179 | ||
180 | sv = *sptr = NEWSV(0,0); | |
a0d0e21e | 181 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) { |
79072805 | 182 | sv_upgrade(sv, SvTYPE(osv)); |
a0d0e21e | 183 | if (SvGMAGICAL(osv)) { |
748a9306 LW |
184 | MAGIC* mg; |
185 | bool oldtainted = tainted; | |
a0d0e21e | 186 | mg_get(osv); |
748a9306 LW |
187 | if (tainting && tainted && (mg = mg_find(osv, 't'))) { |
188 | SAVESPTR(mg->mg_obj); | |
189 | mg->mg_obj = osv; | |
190 | } | |
a0d0e21e LW |
191 | SvFLAGS(osv) |= (SvFLAGS(osv) & |
192 | (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; | |
748a9306 | 193 | tainted = oldtainted; |
a0d0e21e | 194 | } |
79072805 | 195 | SvMAGIC(sv) = SvMAGIC(osv); |
a0d0e21e | 196 | SvFLAGS(sv) |= SvMAGICAL(osv); |
748a9306 | 197 | localizing = 1; |
79072805 | 198 | SvSETMAGIC(sv); |
748a9306 | 199 | localizing = 0; |
79072805 LW |
200 | } |
201 | return sv; | |
202 | } | |
203 | ||
204 | AV * | |
205 | save_ary(gv) | |
206 | GV *gv; | |
207 | { | |
208 | SSCHECK(3); | |
209 | SSPUSHPTR(gv); | |
210 | SSPUSHPTR(GvAVn(gv)); | |
211 | SSPUSHINT(SAVEt_AV); | |
212 | ||
213 | GvAV(gv) = Null(AV*); | |
214 | return GvAVn(gv); | |
215 | } | |
216 | ||
217 | HV * | |
218 | save_hash(gv) | |
219 | GV *gv; | |
220 | { | |
221 | SSCHECK(3); | |
222 | SSPUSHPTR(gv); | |
223 | SSPUSHPTR(GvHVn(gv)); | |
224 | SSPUSHINT(SAVEt_HV); | |
225 | ||
226 | GvHV(gv) = Null(HV*); | |
227 | return GvHVn(gv); | |
228 | } | |
229 | ||
230 | void | |
231 | save_item(item) | |
232 | register SV *item; | |
233 | { | |
234 | register SV *sv; | |
235 | ||
236 | SSCHECK(3); | |
237 | SSPUSHPTR(item); /* remember the pointer */ | |
238 | sv = NEWSV(0,0); | |
239 | sv_setsv(sv,item); | |
240 | SSPUSHPTR(sv); /* remember the value */ | |
241 | SSPUSHINT(SAVEt_ITEM); | |
242 | } | |
243 | ||
244 | void | |
245 | save_int(intp) | |
246 | int *intp; | |
247 | { | |
248 | SSCHECK(3); | |
249 | SSPUSHINT(*intp); | |
250 | SSPUSHPTR(intp); | |
251 | SSPUSHINT(SAVEt_INT); | |
252 | } | |
253 | ||
254 | void | |
85e6fe83 LW |
255 | save_long(longp) |
256 | long *longp; | |
257 | { | |
258 | SSCHECK(3); | |
259 | SSPUSHLONG(*longp); | |
260 | SSPUSHPTR(longp); | |
261 | SSPUSHINT(SAVEt_LONG); | |
262 | } | |
263 | ||
264 | void | |
79072805 LW |
265 | save_I32(intp) |
266 | I32 *intp; | |
267 | { | |
268 | SSCHECK(3); | |
269 | SSPUSHINT(*intp); | |
270 | SSPUSHPTR(intp); | |
271 | SSPUSHINT(SAVEt_I32); | |
272 | } | |
273 | ||
a0d0e21e LW |
274 | void |
275 | save_iv(ivp) | |
276 | IV *ivp; | |
277 | { | |
278 | SSCHECK(3); | |
4aa0a1f7 | 279 | SSPUSHIV(*ivp); |
a0d0e21e LW |
280 | SSPUSHPTR(ivp); |
281 | SSPUSHINT(SAVEt_IV); | |
282 | } | |
283 | ||
85e6fe83 LW |
284 | /* Cannot use save_sptr() to store a char* since the SV** cast will |
285 | * force word-alignment and we'll miss the pointer. | |
286 | */ | |
287 | void | |
288 | save_pptr(pptr) | |
289 | char **pptr; | |
290 | { | |
291 | SSCHECK(3); | |
292 | SSPUSHPTR(*pptr); | |
293 | SSPUSHPTR(pptr); | |
294 | SSPUSHINT(SAVEt_PPTR); | |
295 | } | |
296 | ||
79072805 LW |
297 | void |
298 | save_sptr(sptr) | |
299 | SV **sptr; | |
300 | { | |
301 | SSCHECK(3); | |
302 | SSPUSHPTR(*sptr); | |
303 | SSPUSHPTR(sptr); | |
304 | SSPUSHINT(SAVEt_SPTR); | |
305 | } | |
306 | ||
307 | void | |
308 | save_nogv(gv) | |
309 | GV *gv; | |
310 | { | |
311 | SSCHECK(2); | |
312 | SSPUSHPTR(gv); | |
313 | SSPUSHINT(SAVEt_NSTAB); | |
314 | } | |
315 | ||
316 | void | |
317 | save_hptr(hptr) | |
318 | HV **hptr; | |
319 | { | |
320 | SSCHECK(3); | |
85e6fe83 | 321 | SSPUSHPTR(*hptr); |
79072805 LW |
322 | SSPUSHPTR(hptr); |
323 | SSPUSHINT(SAVEt_HPTR); | |
324 | } | |
325 | ||
326 | void | |
327 | save_aptr(aptr) | |
328 | AV **aptr; | |
329 | { | |
330 | SSCHECK(3); | |
85e6fe83 | 331 | SSPUSHPTR(*aptr); |
79072805 LW |
332 | SSPUSHPTR(aptr); |
333 | SSPUSHINT(SAVEt_APTR); | |
334 | } | |
335 | ||
336 | void | |
8990e307 LW |
337 | save_freesv(sv) |
338 | SV *sv; | |
339 | { | |
340 | SSCHECK(2); | |
341 | SSPUSHPTR(sv); | |
342 | SSPUSHINT(SAVEt_FREESV); | |
343 | } | |
344 | ||
345 | void | |
346 | save_freeop(op) | |
347 | OP *op; | |
348 | { | |
349 | SSCHECK(2); | |
350 | SSPUSHPTR(op); | |
351 | SSPUSHINT(SAVEt_FREEOP); | |
352 | } | |
353 | ||
354 | void | |
355 | save_freepv(pv) | |
356 | char *pv; | |
357 | { | |
358 | SSCHECK(2); | |
359 | SSPUSHPTR(pv); | |
360 | SSPUSHINT(SAVEt_FREEPV); | |
361 | } | |
362 | ||
363 | void | |
364 | save_clearsv(svp) | |
365 | SV** svp; | |
366 | { | |
367 | SSCHECK(2); | |
4aa0a1f7 | 368 | SSPUSHLONG((long)(svp-curpad)); |
8990e307 LW |
369 | SSPUSHINT(SAVEt_CLEARSV); |
370 | } | |
371 | ||
372 | void | |
373 | save_delete(hv,key,klen) | |
374 | HV *hv; | |
375 | char *key; | |
376 | I32 klen; | |
377 | { | |
378 | SSCHECK(4); | |
379 | SSPUSHINT(klen); | |
380 | SSPUSHPTR(key); | |
381 | SSPUSHPTR(hv); | |
382 | SSPUSHINT(SAVEt_DELETE); | |
383 | } | |
384 | ||
385 | void | |
79072805 LW |
386 | save_list(sarg,maxsarg) |
387 | register SV **sarg; | |
388 | I32 maxsarg; | |
389 | { | |
390 | register SV *sv; | |
391 | register I32 i; | |
392 | ||
393 | SSCHECK(3 * maxsarg); | |
394 | for (i = 1; i <= maxsarg; i++) { | |
395 | SSPUSHPTR(sarg[i]); /* remember the pointer */ | |
396 | sv = NEWSV(0,0); | |
397 | sv_setsv(sv,sarg[i]); | |
398 | SSPUSHPTR(sv); /* remember the value */ | |
399 | SSPUSHINT(SAVEt_ITEM); | |
400 | } | |
401 | } | |
402 | ||
403 | void | |
a0d0e21e LW |
404 | save_destructor(f,p) |
405 | void (*f) _((void*)); | |
406 | void* p; | |
407 | { | |
408 | SSCHECK(3); | |
409 | SSPUSHDPTR(f); | |
410 | SSPUSHPTR(p); | |
411 | SSPUSHINT(SAVEt_DESTRUCTOR); | |
412 | } | |
413 | ||
414 | void | |
79072805 LW |
415 | leave_scope(base) |
416 | I32 base; | |
417 | { | |
418 | register SV *sv; | |
419 | register SV *value; | |
420 | register GV *gv; | |
421 | register AV *av; | |
422 | register HV *hv; | |
423 | register void* ptr; | |
424 | ||
425 | if (base < -1) | |
463ee0b2 | 426 | croak("panic: corrupt saved stack index"); |
79072805 LW |
427 | while (savestack_ix > base) { |
428 | switch (SSPOPINT) { | |
429 | case SAVEt_ITEM: /* normal string */ | |
430 | value = (SV*)SSPOPPTR; | |
431 | sv = (SV*)SSPOPPTR; | |
432 | sv_replace(sv,value); | |
748a9306 | 433 | localizing = 2; |
79072805 | 434 | SvSETMAGIC(sv); |
748a9306 | 435 | localizing = 0; |
79072805 LW |
436 | break; |
437 | case SAVEt_SV: /* scalar reference */ | |
438 | value = (SV*)SSPOPPTR; | |
439 | gv = (GV*)SSPOPPTR; | |
440 | sv = GvSV(gv); | |
748a9306 LW |
441 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv) && |
442 | SvTYPE(sv) != SVt_PVGV) | |
443 | { | |
a0d0e21e | 444 | (void)SvUPGRADE(value, SvTYPE(sv)); |
85e6fe83 | 445 | SvMAGIC(value) = SvMAGIC(sv); |
a0d0e21e LW |
446 | SvFLAGS(value) |= SvMAGICAL(sv); |
447 | SvMAGICAL_off(sv); | |
79072805 | 448 | SvMAGIC(sv) = 0; |
85e6fe83 | 449 | } |
8990e307 | 450 | SvREFCNT_dec(sv); |
a0d0e21e | 451 | GvSV(gv) = value; |
748a9306 | 452 | localizing = 2; |
a0d0e21e | 453 | SvSETMAGIC(value); |
748a9306 | 454 | localizing = 0; |
79072805 LW |
455 | break; |
456 | case SAVEt_SVREF: /* scalar reference */ | |
457 | ptr = SSPOPPTR; | |
458 | sv = *(SV**)ptr; | |
a0d0e21e | 459 | value = (SV*)SSPOPPTR; |
748a9306 LW |
460 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv) && |
461 | SvTYPE(sv) != SVt_PVGV) | |
462 | { | |
a0d0e21e LW |
463 | (void)SvUPGRADE(value, SvTYPE(sv)); |
464 | SvMAGIC(value) = SvMAGIC(sv); | |
465 | SvFLAGS(value) |= SvMAGICAL(sv); | |
466 | SvMAGICAL_off(sv); | |
79072805 | 467 | SvMAGIC(sv) = 0; |
a0d0e21e | 468 | } |
8990e307 | 469 | SvREFCNT_dec(sv); |
a0d0e21e | 470 | *(SV**)ptr = value; |
748a9306 | 471 | localizing = 2; |
a0d0e21e | 472 | SvSETMAGIC(value); |
748a9306 | 473 | localizing = 0; |
79072805 LW |
474 | break; |
475 | case SAVEt_AV: /* array reference */ | |
476 | av = (AV*)SSPOPPTR; | |
477 | gv = (GV*)SSPOPPTR; | |
8990e307 | 478 | SvREFCNT_dec(GvAV(gv)); |
79072805 LW |
479 | GvAV(gv) = av; |
480 | break; | |
481 | case SAVEt_HV: /* hash reference */ | |
482 | hv = (HV*)SSPOPPTR; | |
483 | gv = (GV*)SSPOPPTR; | |
8990e307 | 484 | SvREFCNT_dec(GvHV(gv)); |
79072805 LW |
485 | GvHV(gv) = hv; |
486 | break; | |
487 | case SAVEt_INT: /* int reference */ | |
488 | ptr = SSPOPPTR; | |
489 | *(int*)ptr = (int)SSPOPINT; | |
490 | break; | |
85e6fe83 LW |
491 | case SAVEt_LONG: /* long reference */ |
492 | ptr = SSPOPPTR; | |
493 | *(long*)ptr = (long)SSPOPLONG; | |
494 | break; | |
79072805 LW |
495 | case SAVEt_I32: /* I32 reference */ |
496 | ptr = SSPOPPTR; | |
497 | *(I32*)ptr = (I32)SSPOPINT; | |
498 | break; | |
a0d0e21e LW |
499 | case SAVEt_IV: /* IV reference */ |
500 | ptr = SSPOPPTR; | |
501 | *(IV*)ptr = (IV)SSPOPIV; | |
502 | break; | |
79072805 LW |
503 | case SAVEt_SPTR: /* SV* reference */ |
504 | ptr = SSPOPPTR; | |
505 | *(SV**)ptr = (SV*)SSPOPPTR; | |
506 | break; | |
85e6fe83 LW |
507 | case SAVEt_PPTR: /* char* reference */ |
508 | ptr = SSPOPPTR; | |
509 | *(char**)ptr = (char*)SSPOPPTR; | |
510 | break; | |
79072805 LW |
511 | case SAVEt_HPTR: /* HV* reference */ |
512 | ptr = SSPOPPTR; | |
513 | *(HV**)ptr = (HV*)SSPOPPTR; | |
514 | break; | |
515 | case SAVEt_APTR: /* AV* reference */ | |
516 | ptr = SSPOPPTR; | |
517 | *(AV**)ptr = (AV*)SSPOPPTR; | |
518 | break; | |
519 | case SAVEt_NSTAB: | |
520 | gv = (GV*)SSPOPPTR; | |
521 | (void)sv_clear(gv); | |
522 | break; | |
523 | case SAVEt_GP: /* scalar reference */ | |
524 | ptr = SSPOPPTR; | |
525 | gv = (GV*)SSPOPPTR; | |
526 | gp_free(gv); | |
527 | GvGP(gv) = (GP*)ptr; | |
4633a7c4 | 528 | SvREFCNT_dec(gv); |
79072805 | 529 | break; |
8990e307 LW |
530 | case SAVEt_FREESV: |
531 | ptr = SSPOPPTR; | |
532 | SvREFCNT_dec((SV*)ptr); | |
533 | break; | |
534 | case SAVEt_FREEOP: | |
535 | ptr = SSPOPPTR; | |
536 | curpad = AvARRAY(comppad); | |
537 | op_free((OP*)ptr); | |
538 | break; | |
539 | case SAVEt_FREEPV: | |
540 | ptr = SSPOPPTR; | |
541 | Safefree((char*)ptr); | |
542 | break; | |
543 | case SAVEt_CLEARSV: | |
4aa0a1f7 | 544 | ptr = (void*)&curpad[SSPOPLONG]; |
8990e307 | 545 | sv = *(SV**)ptr; |
a0d0e21e | 546 | if (SvREFCNT(sv) <= 1) { /* Can clear pad variable in place. */ |
8990e307 LW |
547 | if (SvTHINKFIRST(sv)) { |
548 | if (SvREADONLY(sv)) | |
549 | croak("panic: leave_scope clearsv"); | |
550 | if (SvROK(sv)) | |
551 | sv_unref(sv); | |
552 | } | |
a0d0e21e LW |
553 | if (SvMAGICAL(sv)) |
554 | mg_free(sv); | |
8990e307 LW |
555 | |
556 | switch (SvTYPE(sv)) { | |
557 | case SVt_NULL: | |
558 | break; | |
559 | case SVt_PVAV: | |
560 | av_clear((AV*)sv); | |
561 | break; | |
562 | case SVt_PVHV: | |
563 | hv_clear((HV*)sv); | |
564 | break; | |
565 | case SVt_PVCV: | |
566 | sub_generation++; | |
85e6fe83 | 567 | cv_undef((CV*)sv); |
8990e307 LW |
568 | break; |
569 | default: | |
570 | if (SvPOK(sv) && SvLEN(sv)) | |
a0d0e21e LW |
571 | (void)SvOOK_off(sv); |
572 | (void)SvOK_off(sv); | |
8990e307 LW |
573 | break; |
574 | } | |
575 | } | |
576 | else { /* Someone has a claim on this, so abandon it. */ | |
4aa0a1f7 | 577 | U32 padflags = SvFLAGS(sv) & (SVs_PADBUSY|SVs_PADMY|SVs_PADTMP); |
8990e307 LW |
578 | SvREFCNT_dec(sv); /* Cast current value to the winds. */ |
579 | switch (SvTYPE(sv)) { /* Console ourselves with a new value */ | |
580 | case SVt_PVAV: *(SV**)ptr = (SV*)newAV(); break; | |
581 | case SVt_PVHV: *(SV**)ptr = (SV*)newHV(); break; | |
582 | default: *(SV**)ptr = NEWSV(0,0); break; | |
583 | } | |
4aa0a1f7 | 584 | SvFLAGS(*(SV**)ptr) |= padflags; /* preserve pad nature */ |
8990e307 LW |
585 | } |
586 | break; | |
587 | case SAVEt_DELETE: | |
588 | ptr = SSPOPPTR; | |
589 | hv = (HV*)ptr; | |
590 | ptr = SSPOPPTR; | |
748a9306 | 591 | (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD); |
adbc6bb1 | 592 | Safefree(ptr); |
8990e307 | 593 | break; |
a0d0e21e LW |
594 | case SAVEt_DESTRUCTOR: |
595 | ptr = SSPOPPTR; | |
596 | (*SSPOPDPTR)(ptr); | |
597 | break; | |
598 | case SAVEt_REGCONTEXT: | |
8e07c86e AD |
599 | { |
600 | I32 delta = SSPOPINT; | |
601 | savestack_ix -= delta; /* regexp must have croaked */ | |
602 | } | |
a0d0e21e | 603 | break; |
79072805 | 604 | default: |
463ee0b2 | 605 | croak("panic: leave_scope inconsistency"); |
79072805 LW |
606 | } |
607 | } | |
608 | } | |
8990e307 LW |
609 | |
610 | #ifdef DEBUGGING | |
611 | void | |
612 | cx_dump(cx) | |
613 | CONTEXT* cx; | |
614 | { | |
615 | fprintf(stderr, "CX %d = %s\n", cx - cxstack, block_type[cx->cx_type]); | |
616 | if (cx->cx_type != CXt_SUBST) { | |
617 | fprintf(stderr, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp); | |
618 | fprintf(stderr, "BLK_OLDCOP = 0x%lx\n", (long)cx->blk_oldcop); | |
619 | fprintf(stderr, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp); | |
620 | fprintf(stderr, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp); | |
621 | fprintf(stderr, "BLK_OLDRETSP = %ld\n", (long)cx->blk_oldretsp); | |
622 | fprintf(stderr, "BLK_OLDPM = 0x%lx\n", (long)cx->blk_oldpm); | |
623 | fprintf(stderr, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR"); | |
624 | } | |
625 | switch (cx->cx_type) { | |
626 | case CXt_NULL: | |
627 | case CXt_BLOCK: | |
628 | break; | |
629 | case CXt_SUB: | |
630 | fprintf(stderr, "BLK_SUB.CV = 0x%lx\n", | |
631 | (long)cx->blk_sub.cv); | |
632 | fprintf(stderr, "BLK_SUB.GV = 0x%lx\n", | |
633 | (long)cx->blk_sub.gv); | |
634 | fprintf(stderr, "BLK_SUB.DFOUTGV = 0x%lx\n", | |
635 | (long)cx->blk_sub.dfoutgv); | |
636 | fprintf(stderr, "BLK_SUB.OLDDEPTH = %ld\n", | |
637 | (long)cx->blk_sub.olddepth); | |
638 | fprintf(stderr, "BLK_SUB.HASARGS = %d\n", | |
639 | (int)cx->blk_sub.hasargs); | |
640 | break; | |
641 | case CXt_EVAL: | |
642 | fprintf(stderr, "BLK_EVAL.OLD_IN_EVAL = %ld\n", | |
643 | (long)cx->blk_eval.old_in_eval); | |
c07a80fd | 644 | fprintf(stderr, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n", |
645 | op_name[cx->blk_eval.old_op_type], | |
646 | op_desc[cx->blk_eval.old_op_type]); | |
8990e307 LW |
647 | fprintf(stderr, "BLK_EVAL.OLD_NAME = %s\n", |
648 | cx->blk_eval.old_name); | |
649 | fprintf(stderr, "BLK_EVAL.OLD_EVAL_ROOT = 0x%lx\n", | |
650 | (long)cx->blk_eval.old_eval_root); | |
651 | break; | |
652 | ||
653 | case CXt_LOOP: | |
654 | fprintf(stderr, "BLK_LOOP.LABEL = %s\n", | |
655 | cx->blk_loop.label); | |
656 | fprintf(stderr, "BLK_LOOP.RESETSP = %ld\n", | |
657 | (long)cx->blk_loop.resetsp); | |
658 | fprintf(stderr, "BLK_LOOP.REDO_OP = 0x%lx\n", | |
659 | (long)cx->blk_loop.redo_op); | |
660 | fprintf(stderr, "BLK_LOOP.NEXT_OP = 0x%lx\n", | |
661 | (long)cx->blk_loop.next_op); | |
662 | fprintf(stderr, "BLK_LOOP.LAST_OP = 0x%lx\n", | |
663 | (long)cx->blk_loop.last_op); | |
664 | fprintf(stderr, "BLK_LOOP.ITERIX = %ld\n", | |
665 | (long)cx->blk_loop.iterix); | |
666 | fprintf(stderr, "BLK_LOOP.ITERARY = 0x%lx\n", | |
667 | (long)cx->blk_loop.iterary); | |
668 | fprintf(stderr, "BLK_LOOP.ITERVAR = 0x%lx\n", | |
669 | (long)cx->blk_loop.itervar); | |
670 | if (cx->blk_loop.itervar) | |
671 | fprintf(stderr, "BLK_LOOP.ITERSAVE = 0x%lx\n", | |
672 | (long)cx->blk_loop.itersave); | |
673 | break; | |
674 | ||
675 | case CXt_SUBST: | |
676 | fprintf(stderr, "SB_ITERS = %ld\n", | |
677 | (long)cx->sb_iters); | |
678 | fprintf(stderr, "SB_MAXITERS = %ld\n", | |
679 | (long)cx->sb_maxiters); | |
680 | fprintf(stderr, "SB_SAFEBASE = %ld\n", | |
681 | (long)cx->sb_safebase); | |
682 | fprintf(stderr, "SB_ONCE = %ld\n", | |
683 | (long)cx->sb_once); | |
684 | fprintf(stderr, "SB_ORIG = %s\n", | |
685 | cx->sb_orig); | |
686 | fprintf(stderr, "SB_DSTR = 0x%lx\n", | |
687 | (long)cx->sb_dstr); | |
688 | fprintf(stderr, "SB_TARG = 0x%lx\n", | |
689 | (long)cx->sb_targ); | |
690 | fprintf(stderr, "SB_S = 0x%lx\n", | |
691 | (long)cx->sb_s); | |
692 | fprintf(stderr, "SB_M = 0x%lx\n", | |
693 | (long)cx->sb_m); | |
694 | fprintf(stderr, "SB_STREND = 0x%lx\n", | |
695 | (long)cx->sb_strend); | |
696 | fprintf(stderr, "SB_SUBBASE = 0x%lx\n", | |
697 | (long)cx->sb_subbase); | |
698 | break; | |
699 | } | |
700 | } | |
701 | #endif |