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Expunge USE_5005THREADS from perl.c
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a0d0e21e 1/* scope.c
79072805 2 *
4bb101f2 3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
54ca4ee7 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
79072805
LW
5 *
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8 *
a0d0e21e
LW
9 */
10
11/*
12 * "For the fashion of Minas Tirith was such that it was built on seven
13 * levels..."
79072805
LW
14 */
15
ddfa107c 16/* This file contains functions to manipulate several of Perl's stacks;
166f8a29
DM
17 * in particular it contains code to push various types of things onto
18 * the savestack, then to pop them off and perform the correct restorative
19 * action for each one. This corresponds to the cleanup Perl does at
20 * each scope exit.
21 */
22
79072805 23#include "EXTERN.h"
864dbfa3 24#define PERL_IN_SCOPE_C
79072805
LW
25#include "perl.h"
26
a0d0e21e 27SV**
864dbfa3 28Perl_stack_grow(pTHX_ SV **sp, SV **p, int n)
a0d0e21e 29{
97aff369 30 dVAR;
3280af22 31 PL_stack_sp = sp;
2ce36478 32#ifndef STRESS_REALLOC
3280af22 33 av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128);
2ce36478 34#else
6b88bc9c 35 av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1);
2ce36478 36#endif
3280af22 37 return PL_stack_sp;
a0d0e21e
LW
38}
39
2ce36478
SM
40#ifndef STRESS_REALLOC
41#define GROW(old) ((old) * 3 / 2)
42#else
43#define GROW(old) ((old) + 1)
44#endif
45
e336de0d 46PERL_SI *
864dbfa3 47Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems)
e336de0d 48{
97aff369 49 dVAR;
e336de0d 50 PERL_SI *si;
a02a5408 51 Newx(si, 1, PERL_SI);
e336de0d
GS
52 si->si_stack = newAV();
53 AvREAL_off(si->si_stack);
54 av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0);
3280af22 55 AvALLOC(si->si_stack)[0] = &PL_sv_undef;
e336de0d
GS
56 AvFILLp(si->si_stack) = 0;
57 si->si_prev = 0;
58 si->si_next = 0;
59 si->si_cxmax = cxitems - 1;
60 si->si_cxix = -1;
e788e7d3 61 si->si_type = PERLSI_UNDEF;
a02a5408 62 Newx(si->si_cxstack, cxitems, PERL_CONTEXT);
9965345d
JH
63 /* Without any kind of initialising PUSHSUBST()
64 * in pp_subst() will read uninitialised heap. */
65 Poison(si->si_cxstack, cxitems, PERL_CONTEXT);
e336de0d
GS
66 return si;
67}
68
79072805 69I32
864dbfa3 70Perl_cxinc(pTHX)
79072805 71{
97aff369 72 dVAR;
a3b680e6 73 const IV old_max = cxstack_max;
2ce36478 74 cxstack_max = GROW(cxstack_max);
c09156bb 75 Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); /* XXX should fix CXINC macro */
9965345d
JH
76 /* Without any kind of initialising deep enough recursion
77 * will end up reading uninitialised PERL_CONTEXTs. */
78 Poison(cxstack + old_max + 1, cxstack_max - old_max, PERL_CONTEXT);
79072805
LW
79 return cxstack_ix + 1;
80}
81
79072805 82void
864dbfa3 83Perl_push_scope(pTHX)
79072805 84{
97aff369 85 dVAR;
3280af22
NIS
86 if (PL_scopestack_ix == PL_scopestack_max) {
87 PL_scopestack_max = GROW(PL_scopestack_max);
88 Renew(PL_scopestack, PL_scopestack_max, I32);
79072805 89 }
3280af22 90 PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix;
79072805
LW
91
92}
93
94void
864dbfa3 95Perl_pop_scope(pTHX)
79072805 96{
97aff369 97 dVAR;
35a4481c 98 const I32 oldsave = PL_scopestack[--PL_scopestack_ix];
8990e307 99 LEAVE_SCOPE(oldsave);
79072805
LW
100}
101
102void
864dbfa3 103Perl_markstack_grow(pTHX)
a0d0e21e 104{
97aff369 105 dVAR;
35a4481c
AL
106 const I32 oldmax = PL_markstack_max - PL_markstack;
107 const I32 newmax = GROW(oldmax);
a0d0e21e 108
3280af22
NIS
109 Renew(PL_markstack, newmax, I32);
110 PL_markstack_ptr = PL_markstack + oldmax;
111 PL_markstack_max = PL_markstack + newmax;
a0d0e21e
LW
112}
113
114void
864dbfa3 115Perl_savestack_grow(pTHX)
79072805 116{
97aff369 117 dVAR;
8aacddc1 118 PL_savestack_max = GROW(PL_savestack_max) + 4;
3280af22 119 Renew(PL_savestack, PL_savestack_max, ANY);
79072805
LW
120}
121
4b3c1a47
AE
122void
123Perl_savestack_grow_cnt(pTHX_ I32 need)
124{
97aff369 125 dVAR;
4b3c1a47
AE
126 PL_savestack_max = PL_savestack_ix + need;
127 Renew(PL_savestack, PL_savestack_max, ANY);
128}
129
2ce36478
SM
130#undef GROW
131
79072805 132void
864dbfa3 133Perl_tmps_grow(pTHX_ I32 n)
677b06e3 134{
97aff369 135 dVAR;
677b06e3
GS
136#ifndef STRESS_REALLOC
137 if (n < 128)
138 n = (PL_tmps_max < 512) ? 128 : 512;
139#endif
140 PL_tmps_max = PL_tmps_ix + n + 1;
141 Renew(PL_tmps_stack, PL_tmps_max, SV*);
142}
143
144
145void
864dbfa3 146Perl_free_tmps(pTHX)
79072805 147{
97aff369 148 dVAR;
79072805 149 /* XXX should tmps_floor live in cxstack? */
35a4481c 150 const I32 myfloor = PL_tmps_floor;
3280af22 151 while (PL_tmps_ix > myfloor) { /* clean up after last statement */
901017d6 152 SV* const sv = PL_tmps_stack[PL_tmps_ix];
a0714e2c 153 PL_tmps_stack[PL_tmps_ix--] = NULL;
8aacddc1 154 if (sv && sv != &PL_sv_undef) {
463ee0b2 155 SvTEMP_off(sv);
8990e307 156 SvREFCNT_dec(sv); /* note, can modify tmps_ix!!! */
463ee0b2 157 }
79072805
LW
158 }
159}
160
76e3520e 161STATIC SV *
cea2e8a9 162S_save_scalar_at(pTHX_ SV **sptr)
79072805 163{
97aff369 164 dVAR;
901017d6 165 SV * const osv = *sptr;
561b68a9 166 register SV * const sv = *sptr = newSV(0);
79072805 167
a0d0e21e 168 if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) {
a0d0e21e 169 if (SvGMAGICAL(osv)) {
35a4481c 170 const bool oldtainted = PL_tainted;
a0d0e21e 171 SvFLAGS(osv) |= (SvFLAGS(osv) &
8aacddc1 172 (SVp_NOK|SVp_POK)) >> PRIVSHIFT;
3280af22 173 PL_tainted = oldtainted;
a0d0e21e 174 }
0cbee0a4 175 mg_localize(osv, sv);
79072805
LW
176 }
177 return sv;
178}
179
7a4c00b4 180SV *
864dbfa3 181Perl_save_scalar(pTHX_ GV *gv)
7a4c00b4 182{
97aff369 183 dVAR;
7452cf6a 184 SV ** const sptr = &GvSV(gv);
27cc343c 185 PL_localizing = 1;
0cbee0a4 186 SvGETMAGIC(*sptr);
27cc343c 187 PL_localizing = 0;
7a4c00b4 188 SSCHECK(3);
4e4c362e
GS
189 SSPUSHPTR(SvREFCNT_inc(gv));
190 SSPUSHPTR(SvREFCNT_inc(*sptr));
7a4c00b4 191 SSPUSHINT(SAVEt_SV);
4e4c362e 192 return save_scalar_at(sptr);
7a4c00b4
PP
193}
194
195SV*
864dbfa3 196Perl_save_svref(pTHX_ SV **sptr)
7a4c00b4 197{
97aff369 198 dVAR;
0cbee0a4 199 SvGETMAGIC(*sptr);
7a4c00b4
PP
200 SSCHECK(3);
201 SSPUSHPTR(sptr);
4e4c362e 202 SSPUSHPTR(SvREFCNT_inc(*sptr));
7a4c00b4
PP
203 SSPUSHINT(SAVEt_SVREF);
204 return save_scalar_at(sptr);
205}
206
f4dd75d9 207/* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to
b9d12d37
GS
208 * restore a global SV to its prior contents, freeing new value. */
209void
864dbfa3 210Perl_save_generic_svref(pTHX_ SV **sptr)
b9d12d37 211{
97aff369 212 dVAR;
b9d12d37
GS
213 SSCHECK(3);
214 SSPUSHPTR(sptr);
215 SSPUSHPTR(SvREFCNT_inc(*sptr));
216 SSPUSHINT(SAVEt_GENERIC_SVREF);
217}
218
f4dd75d9
GS
219/* Like save_pptr(), but also Safefree()s the new value if it is different
220 * from the old one. Can be used to restore a global char* to its prior
221 * contents, freeing new value. */
222void
223Perl_save_generic_pvref(pTHX_ char **str)
224{
97aff369 225 dVAR;
f4dd75d9
GS
226 SSCHECK(3);
227 SSPUSHPTR(str);
228 SSPUSHPTR(*str);
229 SSPUSHINT(SAVEt_GENERIC_PVREF);
230}
231
05ec9bb3
NIS
232/* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree().
233 * Can be used to restore a shared global char* to its prior
234 * contents, freeing new value. */
235void
236Perl_save_shared_pvref(pTHX_ char **str)
237{
97aff369 238 dVAR;
05ec9bb3
NIS
239 SSCHECK(3);
240 SSPUSHPTR(str);
241 SSPUSHPTR(*str);
242 SSPUSHINT(SAVEt_SHARED_PVREF);
243}
244
14f338dc
DM
245/* set the SvFLAGS specified by mask to the values in val */
246
247void
248Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val)
249{
97aff369 250 dVAR;
14f338dc
DM
251 SSCHECK(4);
252 SSPUSHPTR(sv);
253 SSPUSHINT(mask);
254 SSPUSHINT(val);
255 SSPUSHINT(SAVEt_SET_SVFLAGS);
256}
257
79072805 258void
864dbfa3 259Perl_save_gp(pTHX_ GV *gv, I32 empty)
79072805 260{
97aff369 261 dVAR;
4b3c1a47 262 SSGROW(6);
fb73857a 263 SSPUSHIV((IV)SvLEN(gv));
b162af07 264 SvLEN_set(gv, 0); /* forget that anything was allocated here */
fb73857a 265 SSPUSHIV((IV)SvCUR(gv));
aa07b2f6 266 SSPUSHPTR(SvPVX_const(gv));
fb73857a 267 SvPOK_off(gv);
4633a7c4 268 SSPUSHPTR(SvREFCNT_inc(gv));
5f05dabc 269 SSPUSHPTR(GvGP(gv));
79072805
LW
270 SSPUSHINT(SAVEt_GP);
271
5f05dabc
PP
272 if (empty) {
273 register GP *gp;
fae75791 274
a02a5408 275 Newxz(gp, 1, GP);
146174a9 276
fae75791 277 if (GvCVu(gv))
3280af22 278 PL_sub_generation++; /* taking a method out of circulation */
146174a9
CB
279 if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) {
280 gp->gp_io = newIO();
281 IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START;
282 }
44a8e56a 283 GvGP(gv) = gp_ref(gp);
561b68a9 284 GvSV(gv) = newSV(0);
146174a9 285 GvLINE(gv) = CopLINE(PL_curcop);
07409e01
NC
286 /* XXX Ideally this cast would be replaced with a change to const char*
287 in the struct. */
288 GvFILE(gv) = CopFILE(PL_curcop) ? CopFILE(PL_curcop) : (char *) "";
5f05dabc
PP
289 GvEGV(gv) = gv;
290 }
291 else {
44a8e56a 292 gp_ref(GvGP(gv));
5f05dabc
PP
293 GvINTRO_on(gv);
294 }
79072805 295}
79072805 296
79072805 297AV *
864dbfa3 298Perl_save_ary(pTHX_ GV *gv)
79072805 299{
97aff369 300 dVAR;
901017d6 301 AV * const oav = GvAVn(gv);
67a38de0 302 AV *av;
fb73857a 303
67a38de0
NIS
304 if (!AvREAL(oav) && AvREIFY(oav))
305 av_reify(oav);
79072805
LW
306 SSCHECK(3);
307 SSPUSHPTR(gv);
67a38de0 308 SSPUSHPTR(oav);
79072805
LW
309 SSPUSHINT(SAVEt_AV);
310
311 GvAV(gv) = Null(AV*);
fb73857a 312 av = GvAVn(gv);
0cbee0a4
DM
313 if (SvMAGIC(oav))
314 mg_localize((SV*)oav, (SV*)av);
fb73857a 315 return av;
79072805
LW
316}
317
318HV *
864dbfa3 319Perl_save_hash(pTHX_ GV *gv)
79072805 320{
97aff369 321 dVAR;
fb73857a
PP
322 HV *ohv, *hv;
323
79072805
LW
324 SSCHECK(3);
325 SSPUSHPTR(gv);
fb73857a 326 SSPUSHPTR(ohv = GvHVn(gv));
79072805
LW
327 SSPUSHINT(SAVEt_HV);
328
329 GvHV(gv) = Null(HV*);
fb73857a 330 hv = GvHVn(gv);
0cbee0a4
DM
331 if (SvMAGIC(ohv))
332 mg_localize((SV*)ohv, (SV*)hv);
fb73857a 333 return hv;
79072805
LW
334}
335
336void
864dbfa3 337Perl_save_item(pTHX_ register SV *item)
79072805 338{
97aff369 339 dVAR;
901017d6 340 register SV * const sv = newSVsv(item);
79072805
LW
341
342 SSCHECK(3);
343 SSPUSHPTR(item); /* remember the pointer */
79072805
LW
344 SSPUSHPTR(sv); /* remember the value */
345 SSPUSHINT(SAVEt_ITEM);
346}
347
348void
864dbfa3 349Perl_save_int(pTHX_ int *intp)
79072805 350{
97aff369 351 dVAR;
79072805
LW
352 SSCHECK(3);
353 SSPUSHINT(*intp);
354 SSPUSHPTR(intp);
355 SSPUSHINT(SAVEt_INT);
356}
357
358void
864dbfa3 359Perl_save_long(pTHX_ long int *longp)
85e6fe83 360{
97aff369 361 dVAR;
85e6fe83
LW
362 SSCHECK(3);
363 SSPUSHLONG(*longp);
364 SSPUSHPTR(longp);
365 SSPUSHINT(SAVEt_LONG);
366}
367
368void
9febdf04
RH
369Perl_save_bool(pTHX_ bool *boolp)
370{
97aff369 371 dVAR;
9febdf04
RH
372 SSCHECK(3);
373 SSPUSHBOOL(*boolp);
374 SSPUSHPTR(boolp);
375 SSPUSHINT(SAVEt_BOOL);
376}
377
378void
864dbfa3 379Perl_save_I32(pTHX_ I32 *intp)
79072805 380{
97aff369 381 dVAR;
79072805
LW
382 SSCHECK(3);
383 SSPUSHINT(*intp);
384 SSPUSHPTR(intp);
385 SSPUSHINT(SAVEt_I32);
386}
387
a0d0e21e 388void
864dbfa3 389Perl_save_I16(pTHX_ I16 *intp)
55497cff 390{
97aff369 391 dVAR;
55497cff
PP
392 SSCHECK(3);
393 SSPUSHINT(*intp);
394 SSPUSHPTR(intp);
395 SSPUSHINT(SAVEt_I16);
396}
397
398void
146174a9
CB
399Perl_save_I8(pTHX_ I8 *bytep)
400{
97aff369 401 dVAR;
146174a9
CB
402 SSCHECK(3);
403 SSPUSHINT(*bytep);
404 SSPUSHPTR(bytep);
405 SSPUSHINT(SAVEt_I8);
406}
407
408void
864dbfa3 409Perl_save_iv(pTHX_ IV *ivp)
a0d0e21e 410{
97aff369 411 dVAR;
a0d0e21e 412 SSCHECK(3);
4aa0a1f7 413 SSPUSHIV(*ivp);
a0d0e21e
LW
414 SSPUSHPTR(ivp);
415 SSPUSHINT(SAVEt_IV);
416}
417
85e6fe83
LW
418/* Cannot use save_sptr() to store a char* since the SV** cast will
419 * force word-alignment and we'll miss the pointer.
420 */
421void
864dbfa3 422Perl_save_pptr(pTHX_ char **pptr)
85e6fe83 423{
97aff369 424 dVAR;
85e6fe83
LW
425 SSCHECK(3);
426 SSPUSHPTR(*pptr);
427 SSPUSHPTR(pptr);
428 SSPUSHINT(SAVEt_PPTR);
429}
430
79072805 431void
146174a9
CB
432Perl_save_vptr(pTHX_ void *ptr)
433{
97aff369 434 dVAR;
146174a9
CB
435 SSCHECK(3);
436 SSPUSHPTR(*(char**)ptr);
437 SSPUSHPTR(ptr);
438 SSPUSHINT(SAVEt_VPTR);
439}
440
441void
864dbfa3 442Perl_save_sptr(pTHX_ SV **sptr)
79072805 443{
97aff369 444 dVAR;
79072805
LW
445 SSCHECK(3);
446 SSPUSHPTR(*sptr);
447 SSPUSHPTR(sptr);
448 SSPUSHINT(SAVEt_SPTR);
449}
450
c3564e5c
GS
451void
452Perl_save_padsv(pTHX_ PADOFFSET off)
453{
97aff369 454 dVAR;
c3564e5c 455 SSCHECK(4);
f3548bdc 456 ASSERT_CURPAD_ACTIVE("save_padsv");
c3564e5c 457 SSPUSHPTR(PL_curpad[off]);
f3548bdc 458 SSPUSHPTR(PL_comppad);
c3564e5c
GS
459 SSPUSHLONG((long)off);
460 SSPUSHINT(SAVEt_PADSV);
461}
462
79072805 463void
864dbfa3 464Perl_save_nogv(pTHX_ GV *gv)
79072805 465{
97aff369 466 dVAR;
79072805
LW
467 SSCHECK(2);
468 SSPUSHPTR(gv);
469 SSPUSHINT(SAVEt_NSTAB);
470}
471
472void
864dbfa3 473Perl_save_hptr(pTHX_ HV **hptr)
79072805 474{
97aff369 475 dVAR;
79072805 476 SSCHECK(3);
85e6fe83 477 SSPUSHPTR(*hptr);
79072805
LW
478 SSPUSHPTR(hptr);
479 SSPUSHINT(SAVEt_HPTR);
480}
481
482void
864dbfa3 483Perl_save_aptr(pTHX_ AV **aptr)
79072805 484{
97aff369 485 dVAR;
79072805 486 SSCHECK(3);
85e6fe83 487 SSPUSHPTR(*aptr);
79072805
LW
488 SSPUSHPTR(aptr);
489 SSPUSHINT(SAVEt_APTR);
490}
491
492void
864dbfa3 493Perl_save_freesv(pTHX_ SV *sv)
8990e307 494{
97aff369 495 dVAR;
8990e307
LW
496 SSCHECK(2);
497 SSPUSHPTR(sv);
498 SSPUSHINT(SAVEt_FREESV);
499}
500
501void
26d9b02f
JH
502Perl_save_mortalizesv(pTHX_ SV *sv)
503{
97aff369 504 dVAR;
26d9b02f
JH
505 SSCHECK(2);
506 SSPUSHPTR(sv);
507 SSPUSHINT(SAVEt_MORTALIZESV);
508}
509
510void
864dbfa3 511Perl_save_freeop(pTHX_ OP *o)
8990e307 512{
97aff369 513 dVAR;
8990e307 514 SSCHECK(2);
11343788 515 SSPUSHPTR(o);
8990e307
LW
516 SSPUSHINT(SAVEt_FREEOP);
517}
518
519void
864dbfa3 520Perl_save_freepv(pTHX_ char *pv)
8990e307 521{
97aff369 522 dVAR;
8990e307
LW
523 SSCHECK(2);
524 SSPUSHPTR(pv);
525 SSPUSHINT(SAVEt_FREEPV);
526}
527
528void
864dbfa3 529Perl_save_clearsv(pTHX_ SV **svp)
8990e307 530{
97aff369 531 dVAR;
f3548bdc 532 ASSERT_CURPAD_ACTIVE("save_clearsv");
8990e307 533 SSCHECK(2);
3280af22 534 SSPUSHLONG((long)(svp-PL_curpad));
8990e307 535 SSPUSHINT(SAVEt_CLEARSV);
d9d18af6 536 SvPADSTALE_off(*svp); /* mark lexical as active */
8990e307
LW
537}
538
539void
864dbfa3 540Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
8990e307 541{
97aff369 542 dVAR;
8990e307
LW
543 SSCHECK(4);
544 SSPUSHINT(klen);
545 SSPUSHPTR(key);
4e4c362e 546 SSPUSHPTR(SvREFCNT_inc(hv));
8990e307
LW
547 SSPUSHINT(SAVEt_DELETE);
548}
549
550void
864dbfa3 551Perl_save_list(pTHX_ register SV **sarg, I32 maxsarg)
79072805 552{
97aff369 553 dVAR;
79072805
LW
554 register I32 i;
555
79072805 556 for (i = 1; i <= maxsarg; i++) {
561b68a9 557 register SV * const sv = newSV(0);
79072805 558 sv_setsv(sv,sarg[i]);
f46d017c
GS
559 SSCHECK(3);
560 SSPUSHPTR(sarg[i]); /* remember the pointer */
79072805
LW
561 SSPUSHPTR(sv); /* remember the value */
562 SSPUSHINT(SAVEt_ITEM);
563 }
564}
565
566void
146174a9 567Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p)
a0d0e21e 568{
97aff369 569 dVAR;
a0d0e21e
LW
570 SSCHECK(3);
571 SSPUSHDPTR(f);
572 SSPUSHPTR(p);
573 SSPUSHINT(SAVEt_DESTRUCTOR);
574}
575
576void
146174a9
CB
577Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p)
578{
97aff369 579 dVAR;
146174a9
CB
580 SSCHECK(3);
581 SSPUSHDXPTR(f);
582 SSPUSHPTR(p);
583 SSPUSHINT(SAVEt_DESTRUCTOR_X);
584}
585
586void
35a4481c 587Perl_save_aelem(pTHX_ const AV *av, I32 idx, SV **sptr)
4e4c362e 588{
97aff369 589 dVAR;
bfc4de9f 590 SV *sv;
0cbee0a4 591 SvGETMAGIC(*sptr);
4e4c362e
GS
592 SSCHECK(4);
593 SSPUSHPTR(SvREFCNT_inc(av));
594 SSPUSHINT(idx);
595 SSPUSHPTR(SvREFCNT_inc(*sptr));
596 SSPUSHINT(SAVEt_AELEM);
5dd42e15
DM
597 /* if it gets reified later, the restore will have the wrong refcnt */
598 if (!AvREAL(av) && AvREIFY(av))
7fc63493 599 (void)SvREFCNT_inc(*sptr);
4e4c362e 600 save_scalar_at(sptr);
bfc4de9f
DM
601 sv = *sptr;
602 /* If we're localizing a tied array element, this new sv
603 * won't actually be stored in the array - so it won't get
604 * reaped when the localize ends. Ensure it gets reaped by
605 * mortifying it instead. DAPM */
606 if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
607 sv_2mortal(sv);
4e4c362e
GS
608}
609
610void
e1ec3a88 611Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr)
4e4c362e 612{
97aff369 613 dVAR;
bfc4de9f 614 SV *sv;
0cbee0a4 615 SvGETMAGIC(*sptr);
4e4c362e
GS
616 SSCHECK(4);
617 SSPUSHPTR(SvREFCNT_inc(hv));
618 SSPUSHPTR(SvREFCNT_inc(key));
619 SSPUSHPTR(SvREFCNT_inc(*sptr));
620 SSPUSHINT(SAVEt_HELEM);
621 save_scalar_at(sptr);
bfc4de9f
DM
622 sv = *sptr;
623 /* If we're localizing a tied hash element, this new sv
624 * won't actually be stored in the hash - so it won't get
625 * reaped when the localize ends. Ensure it gets reaped by
626 * mortifying it instead. DAPM */
627 if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
628 sv_2mortal(sv);
4e4c362e
GS
629}
630
631void
864dbfa3 632Perl_save_op(pTHX)
462e5cf6 633{
97aff369 634 dVAR;
462e5cf6 635 SSCHECK(2);
533c011a 636 SSPUSHPTR(PL_op);
462e5cf6
MB
637 SSPUSHINT(SAVEt_OP);
638}
639
455ece5e 640I32
864dbfa3 641Perl_save_alloc(pTHX_ I32 size, I32 pad)
455ece5e 642{
97aff369 643 dVAR;
35a4481c 644 register const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
8aacddc1 645 - (char*)PL_savestack);
35a4481c 646 register const I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
455ece5e
AD
647
648 /* SSCHECK may not be good enough */
649 while (PL_savestack_ix + elems + 2 > PL_savestack_max)
8aacddc1 650 savestack_grow();
455ece5e
AD
651
652 PL_savestack_ix += elems;
653 SSPUSHINT(elems);
654 SSPUSHINT(SAVEt_ALLOC);
655 return start;
656}
657
462e5cf6 658void
864dbfa3 659Perl_leave_scope(pTHX_ I32 base)
79072805 660{
97aff369 661 dVAR;
79072805
LW
662 register SV *sv;
663 register SV *value;
664 register GV *gv;
665 register AV *av;
666 register HV *hv;
20454177 667 void* ptr;
f4dd75d9 668 register char* str;
161b7d16 669 I32 i;
79072805
LW
670
671 if (base < -1)
cea2e8a9 672 Perl_croak(aTHX_ "panic: corrupt saved stack index");
3280af22 673 while (PL_savestack_ix > base) {
79072805
LW
674 switch (SSPOPINT) {
675 case SAVEt_ITEM: /* normal string */
676 value = (SV*)SSPOPPTR;
677 sv = (SV*)SSPOPPTR;
678 sv_replace(sv,value);
3280af22 679 PL_localizing = 2;
79072805 680 SvSETMAGIC(sv);
3280af22 681 PL_localizing = 0;
79072805 682 break;
8aacddc1 683 case SAVEt_SV: /* scalar reference */
79072805
LW
684 value = (SV*)SSPOPPTR;
685 gv = (GV*)SSPOPPTR;
7a4c00b4 686 ptr = &GvSV(gv);
5dd42e15 687 av = (AV*)gv; /* what to refcnt_dec */
7a4c00b4 688 goto restore_sv;
8aacddc1 689 case SAVEt_GENERIC_PVREF: /* generic pv */
f4dd75d9
GS
690 str = (char*)SSPOPPTR;
691 ptr = SSPOPPTR;
692 if (*(char**)ptr != str) {
693 Safefree(*(char**)ptr);
694 *(char**)ptr = str;
695 }
696 break;
05ec9bb3
NIS
697 case SAVEt_SHARED_PVREF: /* shared pv */
698 str = (char*)SSPOPPTR;
699 ptr = SSPOPPTR;
700 if (*(char**)ptr != str) {
5e54c26f 701#ifdef NETWARE
9ecbcc42 702 PerlMem_free(*(char**)ptr);
5e54c26f 703#else
05ec9bb3 704 PerlMemShared_free(*(char**)ptr);
5e54c26f 705#endif
05ec9bb3
NIS
706 *(char**)ptr = str;
707 }
708 break;
8aacddc1 709 case SAVEt_GENERIC_SVREF: /* generic sv */
b9d12d37
GS
710 value = (SV*)SSPOPPTR;
711 ptr = SSPOPPTR;
f4dd75d9
GS
712 sv = *(SV**)ptr;
713 *(SV**)ptr = value;
714 SvREFCNT_dec(sv);
b9d12d37
GS
715 SvREFCNT_dec(value);
716 break;
8aacddc1 717 case SAVEt_SVREF: /* scalar reference */
7a4c00b4 718 value = (SV*)SSPOPPTR;
79072805 719 ptr = SSPOPPTR;
7d49f689 720 av = NULL; /* what to refcnt_dec */
7a4c00b4 721 restore_sv:
79072805 722 sv = *(SV**)ptr;
146174a9 723 DEBUG_S(PerlIO_printf(Perl_debug_log,
54b9620d 724 "restore svref: %p %p:%s -> %p:%s\n",
8aacddc1 725 ptr, sv, SvPEEK(sv), value, SvPEEK(value)));
a0d0e21e 726 *(SV**)ptr = value;
db733481 727 SvREFCNT_dec(sv);
3280af22 728 PL_localizing = 2;
a0d0e21e 729 SvSETMAGIC(value);
3280af22 730 PL_localizing = 0;
4e4c362e 731 SvREFCNT_dec(value);
5dd42e15
DM
732 if (av) /* actually an av, hv or gv */
733 SvREFCNT_dec(av);
8aacddc1
NIS
734 break;
735 case SAVEt_AV: /* array reference */
79072805
LW
736 av = (AV*)SSPOPPTR;
737 gv = (GV*)SSPOPPTR;
fb73857a 738 if (GvAV(gv)) {
35a4481c 739 AV * const goner = GvAV(gv);
404a4710
NC
740 /* FIXME - this is a temporary hack until we work out what
741 the correct behaviour for magic should be. */
742 sv_unmagic((SV*)goner, PERL_MAGIC_arylen_p);
b162af07 743 SvMAGIC_set(av, SvMAGIC(goner));
32da55ab 744 SvFLAGS((SV*)av) |= SvMAGICAL(goner);
fb73857a 745 SvMAGICAL_off(goner);
b162af07 746 SvMAGIC_set(goner, NULL);
fb73857a
PP
747 SvREFCNT_dec(goner);
748 }
8aacddc1 749 GvAV(gv) = av;
fb73857a 750 if (SvMAGICAL(av)) {
3280af22 751 PL_localizing = 2;
fb73857a 752 SvSETMAGIC((SV*)av);
3280af22 753 PL_localizing = 0;
fb73857a 754 }
8aacddc1
NIS
755 break;
756 case SAVEt_HV: /* hash reference */
79072805
LW
757 hv = (HV*)SSPOPPTR;
758 gv = (GV*)SSPOPPTR;
fb73857a 759 if (GvHV(gv)) {
35a4481c 760 HV * const goner = GvHV(gv);
b162af07 761 SvMAGIC_set(hv, SvMAGIC(goner));
fb73857a
PP
762 SvFLAGS(hv) |= SvMAGICAL(goner);
763 SvMAGICAL_off(goner);
b162af07 764 SvMAGIC_set(goner, NULL);
fb73857a
PP
765 SvREFCNT_dec(goner);
766 }
8aacddc1 767 GvHV(gv) = hv;
fb73857a 768 if (SvMAGICAL(hv)) {
3280af22 769 PL_localizing = 2;
fb73857a 770 SvSETMAGIC((SV*)hv);
3280af22 771 PL_localizing = 0;
fb73857a 772 }
8aacddc1 773 break;
79072805
LW
774 case SAVEt_INT: /* int reference */
775 ptr = SSPOPPTR;
776 *(int*)ptr = (int)SSPOPINT;
777 break;
85e6fe83
LW
778 case SAVEt_LONG: /* long reference */
779 ptr = SSPOPPTR;
780 *(long*)ptr = (long)SSPOPLONG;
781 break;
9febdf04
RH
782 case SAVEt_BOOL: /* bool reference */
783 ptr = SSPOPPTR;
784 *(bool*)ptr = (bool)SSPOPBOOL;
785 break;
79072805
LW
786 case SAVEt_I32: /* I32 reference */
787 ptr = SSPOPPTR;
788 *(I32*)ptr = (I32)SSPOPINT;
789 break;
55497cff
PP
790 case SAVEt_I16: /* I16 reference */
791 ptr = SSPOPPTR;
792 *(I16*)ptr = (I16)SSPOPINT;
793 break;
146174a9
CB
794 case SAVEt_I8: /* I8 reference */
795 ptr = SSPOPPTR;
796 *(I8*)ptr = (I8)SSPOPINT;
797 break;
a0d0e21e
LW
798 case SAVEt_IV: /* IV reference */
799 ptr = SSPOPPTR;
800 *(IV*)ptr = (IV)SSPOPIV;
801 break;
79072805
LW
802 case SAVEt_SPTR: /* SV* reference */
803 ptr = SSPOPPTR;
804 *(SV**)ptr = (SV*)SSPOPPTR;
805 break;
146174a9 806 case SAVEt_VPTR: /* random* reference */
85e6fe83
LW
807 case SAVEt_PPTR: /* char* reference */
808 ptr = SSPOPPTR;
809 *(char**)ptr = (char*)SSPOPPTR;
810 break;
79072805
LW
811 case SAVEt_HPTR: /* HV* reference */
812 ptr = SSPOPPTR;
813 *(HV**)ptr = (HV*)SSPOPPTR;
814 break;
815 case SAVEt_APTR: /* AV* reference */
816 ptr = SSPOPPTR;
817 *(AV**)ptr = (AV*)SSPOPPTR;
818 break;
819 case SAVEt_NSTAB:
820 gv = (GV*)SSPOPPTR;
1f96a9ed 821 (void)sv_clear((SV*)gv);
79072805 822 break;
fb73857a 823 case SAVEt_GP: /* scalar reference */
79072805
LW
824 ptr = SSPOPPTR;
825 gv = (GV*)SSPOPPTR;
aa07b2f6 826 if (SvPVX_const(gv) && SvLEN(gv) > 0) {
94010e71 827 Safefree(SvPVX_mutable(gv));
8aacddc1 828 }
f880fe2f 829 SvPV_set(gv, (char *)SSPOPPTR);
b162af07
SP
830 SvCUR_set(gv, (STRLEN)SSPOPIV);
831 SvLEN_set(gv, (STRLEN)SSPOPIV);
8aacddc1
NIS
832 gp_free(gv);
833 GvGP(gv) = (GP*)ptr;
fae75791 834 if (GvCVu(gv))
3280af22 835 PL_sub_generation++; /* putting a method back into circulation */
4633a7c4 836 SvREFCNT_dec(gv);
8aacddc1 837 break;
8990e307
LW
838 case SAVEt_FREESV:
839 ptr = SSPOPPTR;
840 SvREFCNT_dec((SV*)ptr);
841 break;
26d9b02f
JH
842 case SAVEt_MORTALIZESV:
843 ptr = SSPOPPTR;
844 sv_2mortal((SV*)ptr);
845 break;
8990e307
LW
846 case SAVEt_FREEOP:
847 ptr = SSPOPPTR;
f3548bdc 848 ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); /* XXX DAPM tmp */
8990e307
LW
849 op_free((OP*)ptr);
850 break;
851 case SAVEt_FREEPV:
852 ptr = SSPOPPTR;
1df70142 853 Safefree(ptr);
8990e307
LW
854 break;
855 case SAVEt_CLEARSV:
3280af22 856 ptr = (void*)&PL_curpad[SSPOPLONG];
8990e307 857 sv = *(SV**)ptr;
dd2155a4
DM
858
859 DEBUG_Xv(PerlIO_printf(Perl_debug_log,
f3548bdc
DM
860 "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n",
861 PTR2UV(PL_comppad), PTR2UV(PL_curpad),
862 (long)((SV **)ptr-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv),
dd2155a4
DM
863 (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon"
864 ));
865
bc44cdaf
GS
866 /* Can clear pad variable in place? */
867 if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) {
8aacddc1
NIS
868 /*
869 * if a my variable that was made readonly is going out of
870 * scope, we want to remove the readonlyness so that it can
871 * go out of scope quietly
8aacddc1 872 */
a26e96df 873 if (SvPADMY(sv) && !SvFAKE(sv))
8aacddc1
NIS
874 SvREADONLY_off(sv);
875
6fc92669 876 if (SvTHINKFIRST(sv))
840a7b70 877 sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF);
a0d0e21e
LW
878 if (SvMAGICAL(sv))
879 mg_free(sv);
8990e307
LW
880
881 switch (SvTYPE(sv)) {
882 case SVt_NULL:
883 break;
884 case SVt_PVAV:
44a8e56a 885 av_clear((AV*)sv);
8990e307
LW
886 break;
887 case SVt_PVHV:
44a8e56a 888 hv_clear((HV*)sv);
8990e307
LW
889 break;
890 case SVt_PVCV:
cea2e8a9 891 Perl_croak(aTHX_ "panic: leave_scope pad code");
8990e307 892 default:
0c34ef67 893 SvOK_off(sv);
8990e307
LW
894 break;
895 }
d9d18af6 896 SvPADSTALE_on(sv); /* mark as no longer live */
8990e307
LW
897 }
898 else { /* Someone has a claim on this, so abandon it. */
35a4481c 899 const U32 padflags = SvFLAGS(sv) & (SVs_PADMY|SVs_PADTMP);
8990e307
LW
900 switch (SvTYPE(sv)) { /* Console ourselves with a new value */
901 case SVt_PVAV: *(SV**)ptr = (SV*)newAV(); break;
902 case SVt_PVHV: *(SV**)ptr = (SV*)newHV(); break;
561b68a9 903 default: *(SV**)ptr = newSV(0); break;
8990e307 904 }
53868620 905 SvREFCNT_dec(sv); /* Cast current value to the winds. */
d9d18af6
DM
906 /* preserve pad nature, but also mark as not live
907 * for any closure capturing */
2740392c 908 SvFLAGS(*(SV**)ptr) |= padflags | SVs_PADSTALE;
8990e307
LW
909 }
910 break;
911 case SAVEt_DELETE:
912 ptr = SSPOPPTR;
913 hv = (HV*)ptr;
914 ptr = SSPOPPTR;
748a9306 915 (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD);
4e4c362e 916 SvREFCNT_dec(hv);
8aacddc1 917 Safefree(ptr);
8990e307 918 break;
a0d0e21e
LW
919 case SAVEt_DESTRUCTOR:
920 ptr = SSPOPPTR;
146174a9
CB
921 (*SSPOPDPTR)(ptr);
922 break;
923 case SAVEt_DESTRUCTOR_X:
924 ptr = SSPOPPTR;
acfe0abc 925 (*SSPOPDXPTR)(aTHX_ ptr);
a0d0e21e
LW
926 break;
927 case SAVEt_REGCONTEXT:
455ece5e 928 case SAVEt_ALLOC:
161b7d16 929 i = SSPOPINT;
3280af22 930 PL_savestack_ix -= i; /* regexp must have croaked */
a0d0e21e 931 break;
55497cff 932 case SAVEt_STACK_POS: /* Position on Perl stack */
161b7d16 933 i = SSPOPINT;
3280af22 934 PL_stack_sp = PL_stack_base + i;
55497cff 935 break;
161b7d16
SM
936 case SAVEt_AELEM: /* array element */
937 value = (SV*)SSPOPPTR;
938 i = SSPOPINT;
939 av = (AV*)SSPOPPTR;
5dd42e15
DM
940 if (!AvREAL(av) && AvREIFY(av)) /* undo reify guard */
941 SvREFCNT_dec(value);
161b7d16 942 ptr = av_fetch(av,i,1);
4e4c362e
GS
943 if (ptr) {
944 sv = *(SV**)ptr;
3280af22 945 if (sv && sv != &PL_sv_undef) {
14befaf4 946 if (SvTIED_mg((SV*)av, PERL_MAGIC_tied))
4e4c362e 947 (void)SvREFCNT_inc(sv);
4e4c362e
GS
948 goto restore_sv;
949 }
950 }
951 SvREFCNT_dec(av);
952 SvREFCNT_dec(value);
953 break;
161b7d16
SM
954 case SAVEt_HELEM: /* hash element */
955 value = (SV*)SSPOPPTR;
9002cb76 956 sv = (SV*)SSPOPPTR;
161b7d16
SM
957 hv = (HV*)SSPOPPTR;
958 ptr = hv_fetch_ent(hv, sv, 1, 0);
4e4c362e 959 if (ptr) {
35a4481c 960 const SV * const oval = HeVAL((HE*)ptr);
3280af22 961 if (oval && oval != &PL_sv_undef) {
4e4c362e 962 ptr = &HeVAL((HE*)ptr);
14befaf4 963 if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied))
4e4c362e 964 (void)SvREFCNT_inc(*(SV**)ptr);
4e4c362e 965 SvREFCNT_dec(sv);
5dd42e15 966 av = (AV*)hv; /* what to refcnt_dec */
4e4c362e
GS
967 goto restore_sv;
968 }
969 }
970 SvREFCNT_dec(hv);
971 SvREFCNT_dec(sv);
972 SvREFCNT_dec(value);
973 break;
462e5cf6 974 case SAVEt_OP:
533c011a 975 PL_op = (OP*)SSPOPPTR;
462e5cf6 976 break;
25eaa213 977 case SAVEt_HINTS:
045ac317
RGS
978 if ((PL_hints & HINT_LOCALIZE_HH) && GvHV(PL_hintgv)) {
979 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
980 GvHV(PL_hintgv) = NULL;
981 }
3280af22 982 *(I32*)&PL_hints = (I32)SSPOPINT;
dfa41748
DM
983 if (PL_hints & HINT_LOCALIZE_HH) {
984 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
985 GvHV(PL_hintgv) = (HV*)SSPOPPTR;
986 }
987
b3ac6de7 988 break;
cb50131a 989 case SAVEt_COMPPAD:
f3548bdc 990 PL_comppad = (PAD*)SSPOPPTR;
58ed4fbe 991 if (PL_comppad)
cb50131a
CB
992 PL_curpad = AvARRAY(PL_comppad);
993 else
994 PL_curpad = Null(SV**);
995 break;
c3564e5c
GS
996 case SAVEt_PADSV:
997 {
35a4481c 998 const PADOFFSET off = (PADOFFSET)SSPOPLONG;
c3564e5c
GS
999 ptr = SSPOPPTR;
1000 if (ptr)
f3548bdc 1001 AvARRAY((PAD*)ptr)[off] = (SV*)SSPOPPTR;
c3564e5c
GS
1002 }
1003 break;
8b7059b1
DM
1004 case SAVEt_SAVESWITCHSTACK:
1005 {
1006 dSP;
7452cf6a
AL
1007 AV* const t = (AV*)SSPOPPTR;
1008 AV* const f = (AV*)SSPOPPTR;
8b7059b1
DM
1009 SWITCHSTACK(t,f);
1010 PL_curstackinfo->si_stack = f;
1011 }
1012 break;
14f338dc
DM
1013 case SAVEt_SET_SVFLAGS:
1014 {
35a4481c
AL
1015 const U32 val = (U32)SSPOPINT;
1016 const U32 mask = (U32)SSPOPINT;
14f338dc
DM
1017 sv = (SV*)SSPOPPTR;
1018 SvFLAGS(sv) &= ~mask;
1019 SvFLAGS(sv) |= val;
1020 }
1021 break;
79072805 1022 default:
cea2e8a9 1023 Perl_croak(aTHX_ "panic: leave_scope inconsistency");
79072805
LW
1024 }
1025 }
1026}
8990e307 1027
8990e307 1028void
864dbfa3 1029Perl_cx_dump(pTHX_ PERL_CONTEXT *cx)
8990e307 1030{
97aff369 1031 dVAR;
35ff7856 1032#ifdef DEBUGGING
22c35a8c 1033 PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]);
6b35e009 1034 if (CxTYPE(cx) != CXt_SUBST) {
760ac839 1035 PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp);
146174a9
CB
1036 PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n",
1037 PTR2UV(cx->blk_oldcop));
760ac839
LW
1038 PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp);
1039 PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp);
146174a9
CB
1040 PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n",
1041 PTR2UV(cx->blk_oldpm));
760ac839 1042 PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR");
8990e307 1043 }
6b35e009 1044 switch (CxTYPE(cx)) {
8990e307
LW
1045 case CXt_NULL:
1046 case CXt_BLOCK:
1047 break;
146174a9
CB
1048 case CXt_FORMAT:
1049 PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
1050 PTR2UV(cx->blk_sub.cv));
1051 PerlIO_printf(Perl_debug_log, "BLK_SUB.GV = 0x%"UVxf"\n",
1052 PTR2UV(cx->blk_sub.gv));
1053 PerlIO_printf(Perl_debug_log, "BLK_SUB.DFOUTGV = 0x%"UVxf"\n",
1054 PTR2UV(cx->blk_sub.dfoutgv));
1055 PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
1056 (int)cx->blk_sub.hasargs);
f39bc417
DM
1057 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
1058 PTR2UV(cx->blk_sub.retop));
146174a9 1059 break;
8990e307 1060 case CXt_SUB:
146174a9
CB
1061 PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
1062 PTR2UV(cx->blk_sub.cv));
760ac839 1063 PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n",
8990e307 1064 (long)cx->blk_sub.olddepth);
760ac839 1065 PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
8990e307 1066 (int)cx->blk_sub.hasargs);
146174a9
CB
1067 PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n",
1068 (int)cx->blk_sub.lval);
f39bc417
DM
1069 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
1070 PTR2UV(cx->blk_sub.retop));
8990e307
LW
1071 break;
1072 case CXt_EVAL:
760ac839 1073 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n",
8990e307 1074 (long)cx->blk_eval.old_in_eval);
760ac839 1075 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n",
22c35a8c
GS
1076 PL_op_name[cx->blk_eval.old_op_type],
1077 PL_op_desc[cx->blk_eval.old_op_type]);
0f79a09d
GS
1078 if (cx->blk_eval.old_namesv)
1079 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n",
aa07b2f6 1080 SvPVX_const(cx->blk_eval.old_namesv));
146174a9
CB
1081 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n",
1082 PTR2UV(cx->blk_eval.old_eval_root));
f39bc417
DM
1083 PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n",
1084 PTR2UV(cx->blk_eval.retop));
8990e307
LW
1085 break;
1086
1087 case CXt_LOOP:
760ac839 1088 PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n",
8990e307 1089 cx->blk_loop.label);
760ac839 1090 PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n",
8990e307 1091 (long)cx->blk_loop.resetsp);
146174a9
CB
1092 PerlIO_printf(Perl_debug_log, "BLK_LOOP.REDO_OP = 0x%"UVxf"\n",
1093 PTR2UV(cx->blk_loop.redo_op));
1094 PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%"UVxf"\n",
1095 PTR2UV(cx->blk_loop.next_op));
1096 PerlIO_printf(Perl_debug_log, "BLK_LOOP.LAST_OP = 0x%"UVxf"\n",
1097 PTR2UV(cx->blk_loop.last_op));
760ac839 1098 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n",
8990e307 1099 (long)cx->blk_loop.iterix);
146174a9
CB
1100 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n",
1101 PTR2UV(cx->blk_loop.iterary));
1102 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n",
1103 PTR2UV(CxITERVAR(cx)));
1104 if (CxITERVAR(cx))
1105 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%"UVxf"\n",
1106 PTR2UV(cx->blk_loop.itersave));
1107 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERLVAL = 0x%"UVxf"\n",
1108 PTR2UV(cx->blk_loop.iterlval));
8990e307
LW
1109 break;
1110
1111 case CXt_SUBST:
760ac839 1112 PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n",
8990e307 1113 (long)cx->sb_iters);
760ac839 1114 PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n",
8990e307 1115 (long)cx->sb_maxiters);
35ef4773
GS
1116 PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n",
1117 (long)cx->sb_rflags);
760ac839 1118 PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n",
8990e307 1119 (long)cx->sb_once);
760ac839 1120 PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n",
8990e307 1121 cx->sb_orig);
146174a9
CB
1122 PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n",
1123 PTR2UV(cx->sb_dstr));
1124 PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n",
1125 PTR2UV(cx->sb_targ));
1126 PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n",
1127 PTR2UV(cx->sb_s));
1128 PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n",
1129 PTR2UV(cx->sb_m));
1130 PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n",
1131 PTR2UV(cx->sb_strend));
1132 PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n",
1133 PTR2UV(cx->sb_rxres));
8990e307
LW
1134 break;
1135 }
65e66c80
SP
1136#else
1137 PERL_UNUSED_ARG(cx);
17c3b450 1138#endif /* DEBUGGING */
35ff7856 1139}
241d1a3b
NC
1140
1141/*
1142 * Local variables:
1143 * c-indentation-style: bsd
1144 * c-basic-offset: 4
1145 * indent-tabs-mode: t
1146 * End:
1147 *
37442d52
RGS
1148 * ex: set ts=8 sts=4 sw=4 noet:
1149 */