3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, 2004, by Larry Wall and others
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.
12 * "For the fashion of Minas Tirith was such that it was built on seven
17 #define PERL_IN_SCOPE_C
20 #if defined(PERL_FLEXIBLE_EXCEPTIONS)
22 Perl_default_protect(pTHX_ volatile JMPENV *pcur_env, int *excpt,
23 protect_body_t body, ...)
28 ret = vdefault_protect(pcur_env, excpt, body, &args);
34 Perl_vdefault_protect(pTHX_ volatile JMPENV *pcur_env, int *excpt,
35 protect_body_t body, va_list *args)
44 ret = CALL_FPTR(body)(aTHX_ *args);
52 Perl_stack_grow(pTHX_ SV **sp, SV **p, int n)
55 #ifndef STRESS_REALLOC
56 av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128);
58 av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1);
63 #ifndef STRESS_REALLOC
64 #define GROW(old) ((old) * 3 / 2)
66 #define GROW(old) ((old) + 1)
70 Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems)
73 New(56, si, 1, PERL_SI);
74 si->si_stack = newAV();
75 AvREAL_off(si->si_stack);
76 av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0);
77 AvALLOC(si->si_stack)[0] = &PL_sv_undef;
78 AvFILLp(si->si_stack) = 0;
81 si->si_cxmax = cxitems - 1;
83 si->si_type = PERLSI_UNDEF;
84 New(56, si->si_cxstack, cxitems, PERL_CONTEXT);
85 /* Without any kind of initialising PUSHSUBST()
86 * in pp_subst() will read uninitialised heap. */
87 Poison(si->si_cxstack, cxitems, PERL_CONTEXT);
94 IV old_max = cxstack_max;
95 cxstack_max = GROW(cxstack_max);
96 Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); /* XXX should fix CXINC macro */
97 /* Without any kind of initialising deep enough recursion
98 * will end up reading uninitialised PERL_CONTEXTs. */
99 Poison(cxstack + old_max + 1, cxstack_max - old_max, PERL_CONTEXT);
100 return cxstack_ix + 1;
104 Perl_push_scope(pTHX)
106 if (PL_scopestack_ix == PL_scopestack_max) {
107 PL_scopestack_max = GROW(PL_scopestack_max);
108 Renew(PL_scopestack, PL_scopestack_max, I32);
110 PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix;
117 I32 oldsave = PL_scopestack[--PL_scopestack_ix];
118 LEAVE_SCOPE(oldsave);
122 Perl_markstack_grow(pTHX)
124 I32 oldmax = PL_markstack_max - PL_markstack;
125 I32 newmax = GROW(oldmax);
127 Renew(PL_markstack, newmax, I32);
128 PL_markstack_ptr = PL_markstack + oldmax;
129 PL_markstack_max = PL_markstack + newmax;
133 Perl_savestack_grow(pTHX)
135 PL_savestack_max = GROW(PL_savestack_max) + 4;
136 Renew(PL_savestack, PL_savestack_max, ANY);
140 Perl_savestack_grow_cnt(pTHX_ I32 need)
142 PL_savestack_max = PL_savestack_ix + need;
143 Renew(PL_savestack, PL_savestack_max, ANY);
149 Perl_tmps_grow(pTHX_ I32 n)
151 #ifndef STRESS_REALLOC
153 n = (PL_tmps_max < 512) ? 128 : 512;
155 PL_tmps_max = PL_tmps_ix + n + 1;
156 Renew(PL_tmps_stack, PL_tmps_max, SV*);
163 /* XXX should tmps_floor live in cxstack? */
164 I32 myfloor = PL_tmps_floor;
165 while (PL_tmps_ix > myfloor) { /* clean up after last statement */
166 SV* sv = PL_tmps_stack[PL_tmps_ix];
167 PL_tmps_stack[PL_tmps_ix--] = Nullsv;
168 if (sv && sv != &PL_sv_undef) {
170 SvREFCNT_dec(sv); /* note, can modify tmps_ix!!! */
176 S_save_scalar_at(pTHX_ SV **sptr)
181 sv = *sptr = NEWSV(0,0);
182 if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) {
184 sv_upgrade(sv, SvTYPE(osv));
185 if (SvGMAGICAL(osv)) {
186 bool oldtainted = PL_tainted;
187 mg_get(osv); /* note, can croak! */
188 if (PL_tainting && PL_tainted &&
189 (mg = mg_find(osv, PERL_MAGIC_taint))) {
190 SAVESPTR(mg->mg_obj);
193 SvFLAGS(osv) |= (SvFLAGS(osv) &
194 (SVp_NOK|SVp_POK)) >> PRIVSHIFT;
195 PL_tainted = oldtainted;
197 SvMAGIC(sv) = SvMAGIC(osv);
198 /* if it's a special scalar or if it has no 'set' magic,
199 * propagate the SvREADONLY flag. --rgs 20030922 */
200 for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
201 if (mg->mg_type == '\0'
202 || !(mg->mg_virtual && mg->mg_virtual->svt_set))
204 SvFLAGS(sv) |= SvREADONLY(osv);
208 SvFLAGS(sv) |= SvMAGICAL(osv);
209 /* XXX SvMAGIC() is *shared* between osv and sv. This can
210 * lead to coredumps when both SVs are destroyed without one
211 * of their SvMAGIC() slots being NULLed. */
220 Perl_save_scalar(pTHX_ GV *gv)
222 SV **sptr = &GvSV(gv);
224 SSPUSHPTR(SvREFCNT_inc(gv));
225 SSPUSHPTR(SvREFCNT_inc(*sptr));
227 return save_scalar_at(sptr);
231 Perl_save_svref(pTHX_ SV **sptr)
235 SSPUSHPTR(SvREFCNT_inc(*sptr));
236 SSPUSHINT(SAVEt_SVREF);
237 return save_scalar_at(sptr);
240 /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to
241 * restore a global SV to its prior contents, freeing new value. */
243 Perl_save_generic_svref(pTHX_ SV **sptr)
247 SSPUSHPTR(SvREFCNT_inc(*sptr));
248 SSPUSHINT(SAVEt_GENERIC_SVREF);
251 /* Like save_pptr(), but also Safefree()s the new value if it is different
252 * from the old one. Can be used to restore a global char* to its prior
253 * contents, freeing new value. */
255 Perl_save_generic_pvref(pTHX_ char **str)
260 SSPUSHINT(SAVEt_GENERIC_PVREF);
263 /* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree().
264 * Can be used to restore a shared global char* to its prior
265 * contents, freeing new value. */
267 Perl_save_shared_pvref(pTHX_ char **str)
272 SSPUSHINT(SAVEt_SHARED_PVREF);
275 /* set the SvFLAGS specified by mask to the values in val */
278 Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val)
284 SSPUSHINT(SAVEt_SET_SVFLAGS);
288 Perl_save_gp(pTHX_ GV *gv, I32 empty)
291 SSPUSHIV((IV)SvLEN(gv));
292 SvLEN(gv) = 0; /* forget that anything was allocated here */
293 SSPUSHIV((IV)SvCUR(gv));
294 SSPUSHPTR(SvPVX(gv));
296 SSPUSHPTR(SvREFCNT_inc(gv));
303 Newz(602, gp, 1, GP);
306 PL_sub_generation++; /* taking a method out of circulation */
307 if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) {
309 IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START;
311 GvGP(gv) = gp_ref(gp);
312 GvSV(gv) = NEWSV(72,0);
313 GvLINE(gv) = CopLINE(PL_curcop);
314 GvFILE(gv) = CopFILE(PL_curcop) ? CopFILE(PL_curcop) : "";
324 Perl_save_ary(pTHX_ GV *gv)
329 if (!AvREAL(oav) && AvREIFY(oav))
336 GvAV(gv) = Null(AV*);
339 SvMAGIC(av) = SvMAGIC(oav);
340 SvFLAGS((SV*)av) |= SvMAGICAL(oav);
351 Perl_save_hash(pTHX_ GV *gv)
357 SSPUSHPTR(ohv = GvHVn(gv));
360 GvHV(gv) = Null(HV*);
363 SvMAGIC(hv) = SvMAGIC(ohv);
364 SvFLAGS((SV*)hv) |= SvMAGICAL(ohv);
375 Perl_save_item(pTHX_ register SV *item)
377 register SV *sv = NEWSV(0,0);
381 SSPUSHPTR(item); /* remember the pointer */
382 SSPUSHPTR(sv); /* remember the value */
383 SSPUSHINT(SAVEt_ITEM);
387 Perl_save_int(pTHX_ int *intp)
392 SSPUSHINT(SAVEt_INT);
396 Perl_save_long(pTHX_ long int *longp)
401 SSPUSHINT(SAVEt_LONG);
405 Perl_save_bool(pTHX_ bool *boolp)
410 SSPUSHINT(SAVEt_BOOL);
414 Perl_save_I32(pTHX_ I32 *intp)
419 SSPUSHINT(SAVEt_I32);
423 Perl_save_I16(pTHX_ I16 *intp)
428 SSPUSHINT(SAVEt_I16);
432 Perl_save_I8(pTHX_ I8 *bytep)
441 Perl_save_iv(pTHX_ IV *ivp)
449 /* Cannot use save_sptr() to store a char* since the SV** cast will
450 * force word-alignment and we'll miss the pointer.
453 Perl_save_pptr(pTHX_ char **pptr)
458 SSPUSHINT(SAVEt_PPTR);
462 Perl_save_vptr(pTHX_ void *ptr)
465 SSPUSHPTR(*(char**)ptr);
467 SSPUSHINT(SAVEt_VPTR);
471 Perl_save_sptr(pTHX_ SV **sptr)
476 SSPUSHINT(SAVEt_SPTR);
480 Perl_save_padsv(pTHX_ PADOFFSET off)
483 ASSERT_CURPAD_ACTIVE("save_padsv");
484 SSPUSHPTR(PL_curpad[off]);
485 SSPUSHPTR(PL_comppad);
486 SSPUSHLONG((long)off);
487 SSPUSHINT(SAVEt_PADSV);
491 Perl_save_threadsv(pTHX_ PADOFFSET i)
493 Perl_croak(aTHX_ "panic: save_threadsv called in non-threaded perl");
498 Perl_save_nogv(pTHX_ GV *gv)
502 SSPUSHINT(SAVEt_NSTAB);
506 Perl_save_hptr(pTHX_ HV **hptr)
511 SSPUSHINT(SAVEt_HPTR);
515 Perl_save_aptr(pTHX_ AV **aptr)
520 SSPUSHINT(SAVEt_APTR);
524 Perl_save_freesv(pTHX_ SV *sv)
528 SSPUSHINT(SAVEt_FREESV);
532 Perl_save_mortalizesv(pTHX_ SV *sv)
536 SSPUSHINT(SAVEt_MORTALIZESV);
540 Perl_save_freeop(pTHX_ OP *o)
544 SSPUSHINT(SAVEt_FREEOP);
548 Perl_save_freepv(pTHX_ char *pv)
552 SSPUSHINT(SAVEt_FREEPV);
556 Perl_save_clearsv(pTHX_ SV **svp)
558 ASSERT_CURPAD_ACTIVE("save_clearsv");
560 SSPUSHLONG((long)(svp-PL_curpad));
561 SSPUSHINT(SAVEt_CLEARSV);
562 SvPADSTALE_off(*svp); /* mark lexical as active */
566 Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
571 SSPUSHPTR(SvREFCNT_inc(hv));
572 SSPUSHINT(SAVEt_DELETE);
576 Perl_save_list(pTHX_ register SV **sarg, I32 maxsarg)
581 for (i = 1; i <= maxsarg; i++) {
583 sv_setsv(sv,sarg[i]);
585 SSPUSHPTR(sarg[i]); /* remember the pointer */
586 SSPUSHPTR(sv); /* remember the value */
587 SSPUSHINT(SAVEt_ITEM);
592 Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p)
597 SSPUSHINT(SAVEt_DESTRUCTOR);
601 Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p)
606 SSPUSHINT(SAVEt_DESTRUCTOR_X);
610 Perl_save_aelem(pTHX_ AV *av, I32 idx, SV **sptr)
614 SSPUSHPTR(SvREFCNT_inc(av));
616 SSPUSHPTR(SvREFCNT_inc(*sptr));
617 SSPUSHINT(SAVEt_AELEM);
618 /* if it gets reified later, the restore will have the wrong refcnt */
619 if (!AvREAL(av) && AvREIFY(av))
621 save_scalar_at(sptr);
623 /* If we're localizing a tied array element, this new sv
624 * won't actually be stored in the array - 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))
632 Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr)
636 SSPUSHPTR(SvREFCNT_inc(hv));
637 SSPUSHPTR(SvREFCNT_inc(key));
638 SSPUSHPTR(SvREFCNT_inc(*sptr));
639 SSPUSHINT(SAVEt_HELEM);
640 save_scalar_at(sptr);
642 /* If we're localizing a tied hash element, this new sv
643 * won't actually be stored in the hash - so it won't get
644 * reaped when the localize ends. Ensure it gets reaped by
645 * mortifying it instead. DAPM */
646 if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
659 Perl_save_alloc(pTHX_ I32 size, I32 pad)
661 register I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
662 - (char*)PL_savestack);
663 register I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
665 /* SSCHECK may not be good enough */
666 while (PL_savestack_ix + elems + 2 > PL_savestack_max)
669 PL_savestack_ix += elems;
671 SSPUSHINT(SAVEt_ALLOC);
676 Perl_leave_scope(pTHX_ I32 base)
688 Perl_croak(aTHX_ "panic: corrupt saved stack index");
689 while (PL_savestack_ix > base) {
691 case SAVEt_ITEM: /* normal string */
692 value = (SV*)SSPOPPTR;
694 sv_replace(sv,value);
699 case SAVEt_SV: /* scalar reference */
700 value = (SV*)SSPOPPTR;
703 av = (AV*)gv; /* what to refcnt_dec */
705 case SAVEt_GENERIC_PVREF: /* generic pv */
706 str = (char*)SSPOPPTR;
708 if (*(char**)ptr != str) {
709 Safefree(*(char**)ptr);
713 case SAVEt_SHARED_PVREF: /* shared pv */
714 str = (char*)SSPOPPTR;
716 if (*(char**)ptr != str) {
718 PerlMem_free(*(char**)ptr);
720 PerlMemShared_free(*(char**)ptr);
725 case SAVEt_GENERIC_SVREF: /* generic sv */
726 value = (SV*)SSPOPPTR;
733 case SAVEt_SVREF: /* scalar reference */
734 value = (SV*)SSPOPPTR;
736 av = Nullav; /* what to refcnt_dec */
739 DEBUG_S(PerlIO_printf(Perl_debug_log,
740 "restore svref: %p %p:%s -> %p:%s\n",
741 ptr, sv, SvPEEK(sv), value, SvPEEK(value)));
742 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv) &&
743 SvTYPE(sv) != SVt_PVGV)
745 (void)SvUPGRADE(value, SvTYPE(sv));
746 SvMAGIC(value) = SvMAGIC(sv);
747 SvFLAGS(value) |= SvMAGICAL(sv);
751 /* XXX This branch is pretty bogus. This code irretrievably
752 * clears(!) the magic on the SV (either to avoid further
753 * croaking that might ensue when the SvSETMAGIC() below is
754 * called, or to avoid two different SVs pointing at the same
755 * SvMAGIC()). This needs a total rethink. --GSAR */
756 else if (SvTYPE(value) >= SVt_PVMG && SvMAGIC(value) &&
757 SvTYPE(value) != SVt_PVGV)
759 SvFLAGS(value) |= (SvFLAGS(value) &
760 (SVp_NOK|SVp_POK)) >> PRIVSHIFT;
761 SvMAGICAL_off(value);
762 /* XXX this is a leak when we get here because the
763 * mg_get() in save_scalar_at() croaked */
772 if (av) /* actually an av, hv or gv */
775 case SAVEt_AV: /* array reference */
779 AV *goner = GvAV(gv);
780 SvMAGIC(av) = SvMAGIC(goner);
781 SvFLAGS((SV*)av) |= SvMAGICAL(goner);
782 SvMAGICAL_off(goner);
793 case SAVEt_HV: /* hash reference */
797 HV *goner = GvHV(gv);
798 SvMAGIC(hv) = SvMAGIC(goner);
799 SvFLAGS(hv) |= SvMAGICAL(goner);
800 SvMAGICAL_off(goner);
811 case SAVEt_INT: /* int reference */
813 *(int*)ptr = (int)SSPOPINT;
815 case SAVEt_LONG: /* long reference */
817 *(long*)ptr = (long)SSPOPLONG;
819 case SAVEt_BOOL: /* bool reference */
821 *(bool*)ptr = (bool)SSPOPBOOL;
823 case SAVEt_I32: /* I32 reference */
825 *(I32*)ptr = (I32)SSPOPINT;
827 case SAVEt_I16: /* I16 reference */
829 *(I16*)ptr = (I16)SSPOPINT;
831 case SAVEt_I8: /* I8 reference */
833 *(I8*)ptr = (I8)SSPOPINT;
835 case SAVEt_IV: /* IV reference */
837 *(IV*)ptr = (IV)SSPOPIV;
839 case SAVEt_SPTR: /* SV* reference */
841 *(SV**)ptr = (SV*)SSPOPPTR;
843 case SAVEt_VPTR: /* random* reference */
844 case SAVEt_PPTR: /* char* reference */
846 *(char**)ptr = (char*)SSPOPPTR;
848 case SAVEt_HPTR: /* HV* reference */
850 *(HV**)ptr = (HV*)SSPOPPTR;
852 case SAVEt_APTR: /* AV* reference */
854 *(AV**)ptr = (AV*)SSPOPPTR;
858 (void)sv_clear((SV*)gv);
860 case SAVEt_GP: /* scalar reference */
863 if (SvPVX(gv) && SvLEN(gv) > 0) {
866 SvPVX(gv) = (char *)SSPOPPTR;
867 SvCUR(gv) = (STRLEN)SSPOPIV;
868 SvLEN(gv) = (STRLEN)SSPOPIV;
872 PL_sub_generation++; /* putting a method back into circulation */
877 SvREFCNT_dec((SV*)ptr);
879 case SAVEt_MORTALIZESV:
881 sv_2mortal((SV*)ptr);
885 ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); /* XXX DAPM tmp */
890 Safefree((char*)ptr);
893 ptr = (void*)&PL_curpad[SSPOPLONG];
896 DEBUG_Xv(PerlIO_printf(Perl_debug_log,
897 "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n",
898 PTR2UV(PL_comppad), PTR2UV(PL_curpad),
899 (long)((SV **)ptr-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv),
900 (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon"
903 /* Can clear pad variable in place? */
904 if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) {
906 * if a my variable that was made readonly is going out of
907 * scope, we want to remove the readonlyness so that it can
908 * go out of scope quietly
910 if (SvPADMY(sv) && !SvFAKE(sv))
913 if (SvTHINKFIRST(sv))
914 sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF);
918 switch (SvTYPE(sv)) {
928 Perl_croak(aTHX_ "panic: leave_scope pad code");
939 SvPADSTALE_on(sv); /* mark as no longer live */
941 else { /* Someone has a claim on this, so abandon it. */
942 U32 padflags = SvFLAGS(sv) & (SVs_PADMY|SVs_PADTMP);
943 switch (SvTYPE(sv)) { /* Console ourselves with a new value */
944 case SVt_PVAV: *(SV**)ptr = (SV*)newAV(); break;
945 case SVt_PVHV: *(SV**)ptr = (SV*)newHV(); break;
946 default: *(SV**)ptr = NEWSV(0,0); break;
948 SvREFCNT_dec(sv); /* Cast current value to the winds. */
949 /* preserve pad nature, but also mark as not live
950 * for any closure capturing */
951 SvFLAGS(*(SV**)ptr) |= padflags | SVs_PADSTALE;
958 (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD);
962 case SAVEt_DESTRUCTOR:
966 case SAVEt_DESTRUCTOR_X:
968 (*SSPOPDXPTR)(aTHX_ ptr);
970 case SAVEt_REGCONTEXT:
973 PL_savestack_ix -= i; /* regexp must have croaked */
975 case SAVEt_STACK_POS: /* Position on Perl stack */
977 PL_stack_sp = PL_stack_base + i;
979 case SAVEt_AELEM: /* array element */
980 value = (SV*)SSPOPPTR;
983 if (!AvREAL(av) && AvREIFY(av)) /* undo reify guard */
985 ptr = av_fetch(av,i,1);
988 if (sv && sv != &PL_sv_undef) {
989 if (SvTIED_mg((SV*)av, PERL_MAGIC_tied))
990 (void)SvREFCNT_inc(sv);
997 case SAVEt_HELEM: /* hash element */
998 value = (SV*)SSPOPPTR;
1001 ptr = hv_fetch_ent(hv, sv, 1, 0);
1003 SV *oval = HeVAL((HE*)ptr);
1004 if (oval && oval != &PL_sv_undef) {
1005 ptr = &HeVAL((HE*)ptr);
1006 if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied))
1007 (void)SvREFCNT_inc(*(SV**)ptr);
1009 av = (AV*)hv; /* what to refcnt_dec */
1015 SvREFCNT_dec(value);
1018 PL_op = (OP*)SSPOPPTR;
1021 if ((PL_hints & HINT_LOCALIZE_HH) && GvHV(PL_hintgv)) {
1022 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
1023 GvHV(PL_hintgv) = NULL;
1025 *(I32*)&PL_hints = (I32)SSPOPINT;
1026 if (PL_hints & HINT_LOCALIZE_HH) {
1027 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
1028 GvHV(PL_hintgv) = (HV*)SSPOPPTR;
1033 PL_comppad = (PAD*)SSPOPPTR;
1035 PL_curpad = AvARRAY(PL_comppad);
1037 PL_curpad = Null(SV**);
1041 PADOFFSET off = (PADOFFSET)SSPOPLONG;
1044 AvARRAY((PAD*)ptr)[off] = (SV*)SSPOPPTR;
1047 case SAVEt_SAVESWITCHSTACK:
1050 AV* t = (AV*)SSPOPPTR;
1051 AV* f = (AV*)SSPOPPTR;
1053 PL_curstackinfo->si_stack = f;
1056 case SAVEt_SET_SVFLAGS:
1058 U32 val = (U32)SSPOPINT;
1059 U32 mask = (U32)SSPOPINT;
1061 SvFLAGS(sv) &= ~mask;
1066 Perl_croak(aTHX_ "panic: leave_scope inconsistency");
1072 Perl_cx_dump(pTHX_ PERL_CONTEXT *cx)
1075 PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]);
1076 if (CxTYPE(cx) != CXt_SUBST) {
1077 PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp);
1078 PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n",
1079 PTR2UV(cx->blk_oldcop));
1080 PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp);
1081 PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp);
1082 PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n",
1083 PTR2UV(cx->blk_oldpm));
1084 PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR");
1086 switch (CxTYPE(cx)) {
1091 PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
1092 PTR2UV(cx->blk_sub.cv));
1093 PerlIO_printf(Perl_debug_log, "BLK_SUB.GV = 0x%"UVxf"\n",
1094 PTR2UV(cx->blk_sub.gv));
1095 PerlIO_printf(Perl_debug_log, "BLK_SUB.DFOUTGV = 0x%"UVxf"\n",
1096 PTR2UV(cx->blk_sub.dfoutgv));
1097 PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
1098 (int)cx->blk_sub.hasargs);
1099 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
1100 PTR2UV(cx->blk_sub.retop));
1103 PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
1104 PTR2UV(cx->blk_sub.cv));
1105 PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n",
1106 (long)cx->blk_sub.olddepth);
1107 PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
1108 (int)cx->blk_sub.hasargs);
1109 PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n",
1110 (int)cx->blk_sub.lval);
1111 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
1112 PTR2UV(cx->blk_sub.retop));
1115 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n",
1116 (long)cx->blk_eval.old_in_eval);
1117 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n",
1118 PL_op_name[cx->blk_eval.old_op_type],
1119 PL_op_desc[cx->blk_eval.old_op_type]);
1120 if (cx->blk_eval.old_namesv)
1121 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n",
1122 SvPVX(cx->blk_eval.old_namesv));
1123 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n",
1124 PTR2UV(cx->blk_eval.old_eval_root));
1125 PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n",
1126 PTR2UV(cx->blk_eval.retop));
1130 PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n",
1131 cx->blk_loop.label);
1132 PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n",
1133 (long)cx->blk_loop.resetsp);
1134 PerlIO_printf(Perl_debug_log, "BLK_LOOP.REDO_OP = 0x%"UVxf"\n",
1135 PTR2UV(cx->blk_loop.redo_op));
1136 PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%"UVxf"\n",
1137 PTR2UV(cx->blk_loop.next_op));
1138 PerlIO_printf(Perl_debug_log, "BLK_LOOP.LAST_OP = 0x%"UVxf"\n",
1139 PTR2UV(cx->blk_loop.last_op));
1140 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n",
1141 (long)cx->blk_loop.iterix);
1142 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n",
1143 PTR2UV(cx->blk_loop.iterary));
1144 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n",
1145 PTR2UV(CxITERVAR(cx)));
1147 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%"UVxf"\n",
1148 PTR2UV(cx->blk_loop.itersave));
1149 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERLVAL = 0x%"UVxf"\n",
1150 PTR2UV(cx->blk_loop.iterlval));
1154 PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n",
1155 (long)cx->sb_iters);
1156 PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n",
1157 (long)cx->sb_maxiters);
1158 PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n",
1159 (long)cx->sb_rflags);
1160 PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n",
1162 PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n",
1164 PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n",
1165 PTR2UV(cx->sb_dstr));
1166 PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n",
1167 PTR2UV(cx->sb_targ));
1168 PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n",
1170 PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n",
1172 PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n",
1173 PTR2UV(cx->sb_strend));
1174 PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n",
1175 PTR2UV(cx->sb_rxres));
1178 #endif /* DEBUGGING */