3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 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
16 /* This file contains functions to manipulate several of Perl's stacks;
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
24 #define PERL_IN_SCOPE_C
28 Perl_stack_grow(pTHX_ SV **sp, SV **p, int n)
32 #ifndef STRESS_REALLOC
33 av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128);
35 av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1);
40 #ifndef STRESS_REALLOC
41 #define GROW(old) ((old) * 3 / 2)
43 #define GROW(old) ((old) + 1)
47 Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems)
52 si->si_stack = newAV();
53 AvREAL_off(si->si_stack);
54 av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0);
55 AvALLOC(si->si_stack)[0] = &PL_sv_undef;
56 AvFILLp(si->si_stack) = 0;
59 si->si_cxmax = cxitems - 1;
61 si->si_type = PERLSI_UNDEF;
62 Newx(si->si_cxstack, cxitems, PERL_CONTEXT);
63 /* Without any kind of initialising PUSHSUBST()
64 * in pp_subst() will read uninitialised heap. */
65 Poison(si->si_cxstack, cxitems, PERL_CONTEXT);
73 const IV old_max = cxstack_max;
74 cxstack_max = GROW(cxstack_max);
75 Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); /* XXX should fix CXINC macro */
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);
79 return cxstack_ix + 1;
86 if (PL_scopestack_ix == PL_scopestack_max) {
87 PL_scopestack_max = GROW(PL_scopestack_max);
88 Renew(PL_scopestack, PL_scopestack_max, I32);
90 PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix;
98 const I32 oldsave = PL_scopestack[--PL_scopestack_ix];
103 Perl_markstack_grow(pTHX)
106 const I32 oldmax = PL_markstack_max - PL_markstack;
107 const I32 newmax = GROW(oldmax);
109 Renew(PL_markstack, newmax, I32);
110 PL_markstack_ptr = PL_markstack + oldmax;
111 PL_markstack_max = PL_markstack + newmax;
115 Perl_savestack_grow(pTHX)
118 PL_savestack_max = GROW(PL_savestack_max) + 4;
119 Renew(PL_savestack, PL_savestack_max, ANY);
123 Perl_savestack_grow_cnt(pTHX_ I32 need)
126 PL_savestack_max = PL_savestack_ix + need;
127 Renew(PL_savestack, PL_savestack_max, ANY);
133 Perl_tmps_grow(pTHX_ I32 n)
136 #ifndef STRESS_REALLOC
138 n = (PL_tmps_max < 512) ? 128 : 512;
140 PL_tmps_max = PL_tmps_ix + n + 1;
141 Renew(PL_tmps_stack, PL_tmps_max, SV*);
149 /* XXX should tmps_floor live in cxstack? */
150 const I32 myfloor = PL_tmps_floor;
151 while (PL_tmps_ix > myfloor) { /* clean up after last statement */
152 SV* const sv = PL_tmps_stack[PL_tmps_ix];
153 PL_tmps_stack[PL_tmps_ix--] = Nullsv;
154 if (sv && sv != &PL_sv_undef) {
156 SvREFCNT_dec(sv); /* note, can modify tmps_ix!!! */
162 S_save_scalar_at(pTHX_ SV **sptr)
165 SV * const osv = *sptr;
166 register SV * const sv = *sptr = newSV(0);
168 if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) {
169 if (SvGMAGICAL(osv)) {
170 const bool oldtainted = PL_tainted;
171 SvFLAGS(osv) |= (SvFLAGS(osv) &
172 (SVp_NOK|SVp_POK)) >> PRIVSHIFT;
173 PL_tainted = oldtainted;
175 mg_localize(osv, sv);
181 Perl_save_scalar(pTHX_ GV *gv)
184 SV ** const sptr = &GvSV(gv);
189 SSPUSHPTR(SvREFCNT_inc(gv));
190 SSPUSHPTR(SvREFCNT_inc(*sptr));
192 return save_scalar_at(sptr);
196 Perl_save_svref(pTHX_ SV **sptr)
202 SSPUSHPTR(SvREFCNT_inc(*sptr));
203 SSPUSHINT(SAVEt_SVREF);
204 return save_scalar_at(sptr);
207 /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to
208 * restore a global SV to its prior contents, freeing new value. */
210 Perl_save_generic_svref(pTHX_ SV **sptr)
215 SSPUSHPTR(SvREFCNT_inc(*sptr));
216 SSPUSHINT(SAVEt_GENERIC_SVREF);
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. */
223 Perl_save_generic_pvref(pTHX_ char **str)
229 SSPUSHINT(SAVEt_GENERIC_PVREF);
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. */
236 Perl_save_shared_pvref(pTHX_ char **str)
242 SSPUSHINT(SAVEt_SHARED_PVREF);
245 /* set the SvFLAGS specified by mask to the values in val */
248 Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val)
255 SSPUSHINT(SAVEt_SET_SVFLAGS);
259 Perl_save_gp(pTHX_ GV *gv, I32 empty)
263 SSPUSHIV((IV)SvLEN(gv));
264 SvLEN_set(gv, 0); /* forget that anything was allocated here */
265 SSPUSHIV((IV)SvCUR(gv));
266 SSPUSHPTR(SvPVX_const(gv));
268 SSPUSHPTR(SvREFCNT_inc(gv));
278 PL_sub_generation++; /* taking a method out of circulation */
279 if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) {
281 IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START;
283 GvGP(gv) = gp_ref(gp);
285 GvLINE(gv) = CopLINE(PL_curcop);
286 /* XXX Ideally this cast would be replaced with a change to const char*
288 GvFILE(gv) = CopFILE(PL_curcop) ? CopFILE(PL_curcop) : (char *) "";
298 Perl_save_ary(pTHX_ GV *gv)
301 AV * const oav = GvAVn(gv);
304 if (!AvREAL(oav) && AvREIFY(oav))
311 GvAV(gv) = Null(AV*);
314 mg_localize((SV*)oav, (SV*)av);
319 Perl_save_hash(pTHX_ GV *gv)
326 SSPUSHPTR(ohv = GvHVn(gv));
329 GvHV(gv) = Null(HV*);
332 mg_localize((SV*)ohv, (SV*)hv);
337 Perl_save_item(pTHX_ register SV *item)
340 register SV * const sv = newSVsv(item);
343 SSPUSHPTR(item); /* remember the pointer */
344 SSPUSHPTR(sv); /* remember the value */
345 SSPUSHINT(SAVEt_ITEM);
349 Perl_save_int(pTHX_ int *intp)
355 SSPUSHINT(SAVEt_INT);
359 Perl_save_long(pTHX_ long int *longp)
365 SSPUSHINT(SAVEt_LONG);
369 Perl_save_bool(pTHX_ bool *boolp)
375 SSPUSHINT(SAVEt_BOOL);
379 Perl_save_I32(pTHX_ I32 *intp)
385 SSPUSHINT(SAVEt_I32);
389 Perl_save_I16(pTHX_ I16 *intp)
395 SSPUSHINT(SAVEt_I16);
399 Perl_save_I8(pTHX_ I8 *bytep)
409 Perl_save_iv(pTHX_ IV *ivp)
418 /* Cannot use save_sptr() to store a char* since the SV** cast will
419 * force word-alignment and we'll miss the pointer.
422 Perl_save_pptr(pTHX_ char **pptr)
428 SSPUSHINT(SAVEt_PPTR);
432 Perl_save_vptr(pTHX_ void *ptr)
436 SSPUSHPTR(*(char**)ptr);
438 SSPUSHINT(SAVEt_VPTR);
442 Perl_save_sptr(pTHX_ SV **sptr)
448 SSPUSHINT(SAVEt_SPTR);
452 Perl_save_padsv(pTHX_ PADOFFSET off)
456 ASSERT_CURPAD_ACTIVE("save_padsv");
457 SSPUSHPTR(PL_curpad[off]);
458 SSPUSHPTR(PL_comppad);
459 SSPUSHLONG((long)off);
460 SSPUSHINT(SAVEt_PADSV);
464 Perl_save_nogv(pTHX_ GV *gv)
469 SSPUSHINT(SAVEt_NSTAB);
473 Perl_save_hptr(pTHX_ HV **hptr)
479 SSPUSHINT(SAVEt_HPTR);
483 Perl_save_aptr(pTHX_ AV **aptr)
489 SSPUSHINT(SAVEt_APTR);
493 Perl_save_freesv(pTHX_ SV *sv)
498 SSPUSHINT(SAVEt_FREESV);
502 Perl_save_mortalizesv(pTHX_ SV *sv)
507 SSPUSHINT(SAVEt_MORTALIZESV);
511 Perl_save_freeop(pTHX_ OP *o)
516 SSPUSHINT(SAVEt_FREEOP);
520 Perl_save_freepv(pTHX_ char *pv)
525 SSPUSHINT(SAVEt_FREEPV);
529 Perl_save_clearsv(pTHX_ SV **svp)
532 ASSERT_CURPAD_ACTIVE("save_clearsv");
534 SSPUSHLONG((long)(svp-PL_curpad));
535 SSPUSHINT(SAVEt_CLEARSV);
536 SvPADSTALE_off(*svp); /* mark lexical as active */
540 Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
546 SSPUSHPTR(SvREFCNT_inc(hv));
547 SSPUSHINT(SAVEt_DELETE);
551 Perl_save_list(pTHX_ register SV **sarg, I32 maxsarg)
556 for (i = 1; i <= maxsarg; i++) {
557 register SV * const sv = newSV(0);
558 sv_setsv(sv,sarg[i]);
560 SSPUSHPTR(sarg[i]); /* remember the pointer */
561 SSPUSHPTR(sv); /* remember the value */
562 SSPUSHINT(SAVEt_ITEM);
567 Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p)
573 SSPUSHINT(SAVEt_DESTRUCTOR);
577 Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p)
583 SSPUSHINT(SAVEt_DESTRUCTOR_X);
587 Perl_save_aelem(pTHX_ const AV *av, I32 idx, SV **sptr)
593 SSPUSHPTR(SvREFCNT_inc(av));
595 SSPUSHPTR(SvREFCNT_inc(*sptr));
596 SSPUSHINT(SAVEt_AELEM);
597 /* if it gets reified later, the restore will have the wrong refcnt */
598 if (!AvREAL(av) && AvREIFY(av))
599 (void)SvREFCNT_inc(*sptr);
600 save_scalar_at(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))
611 Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr)
617 SSPUSHPTR(SvREFCNT_inc(hv));
618 SSPUSHPTR(SvREFCNT_inc(key));
619 SSPUSHPTR(SvREFCNT_inc(*sptr));
620 SSPUSHINT(SAVEt_HELEM);
621 save_scalar_at(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))
641 Perl_save_alloc(pTHX_ I32 size, I32 pad)
644 register const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
645 - (char*)PL_savestack);
646 register const I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
648 /* SSCHECK may not be good enough */
649 while (PL_savestack_ix + elems + 2 > PL_savestack_max)
652 PL_savestack_ix += elems;
654 SSPUSHINT(SAVEt_ALLOC);
659 Perl_leave_scope(pTHX_ I32 base)
672 Perl_croak(aTHX_ "panic: corrupt saved stack index");
673 while (PL_savestack_ix > base) {
675 case SAVEt_ITEM: /* normal string */
676 value = (SV*)SSPOPPTR;
678 sv_replace(sv,value);
683 case SAVEt_SV: /* scalar reference */
684 value = (SV*)SSPOPPTR;
687 av = (AV*)gv; /* what to refcnt_dec */
689 case SAVEt_GENERIC_PVREF: /* generic pv */
690 str = (char*)SSPOPPTR;
692 if (*(char**)ptr != str) {
693 Safefree(*(char**)ptr);
697 case SAVEt_SHARED_PVREF: /* shared pv */
698 str = (char*)SSPOPPTR;
700 if (*(char**)ptr != str) {
702 PerlMem_free(*(char**)ptr);
704 PerlMemShared_free(*(char**)ptr);
709 case SAVEt_GENERIC_SVREF: /* generic sv */
710 value = (SV*)SSPOPPTR;
717 case SAVEt_SVREF: /* scalar reference */
718 value = (SV*)SSPOPPTR;
720 av = NULL; /* what to refcnt_dec */
723 DEBUG_S(PerlIO_printf(Perl_debug_log,
724 "restore svref: %p %p:%s -> %p:%s\n",
725 ptr, sv, SvPEEK(sv), value, SvPEEK(value)));
732 if (av) /* actually an av, hv or gv */
735 case SAVEt_AV: /* array reference */
739 AV * const goner = GvAV(gv);
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);
743 SvMAGIC_set(av, SvMAGIC(goner));
744 SvFLAGS((SV*)av) |= SvMAGICAL(goner);
745 SvMAGICAL_off(goner);
746 SvMAGIC_set(goner, NULL);
756 case SAVEt_HV: /* hash reference */
760 HV * const goner = GvHV(gv);
761 SvMAGIC_set(hv, SvMAGIC(goner));
762 SvFLAGS(hv) |= SvMAGICAL(goner);
763 SvMAGICAL_off(goner);
764 SvMAGIC_set(goner, NULL);
774 case SAVEt_INT: /* int reference */
776 *(int*)ptr = (int)SSPOPINT;
778 case SAVEt_LONG: /* long reference */
780 *(long*)ptr = (long)SSPOPLONG;
782 case SAVEt_BOOL: /* bool reference */
784 *(bool*)ptr = (bool)SSPOPBOOL;
786 case SAVEt_I32: /* I32 reference */
788 *(I32*)ptr = (I32)SSPOPINT;
790 case SAVEt_I16: /* I16 reference */
792 *(I16*)ptr = (I16)SSPOPINT;
794 case SAVEt_I8: /* I8 reference */
796 *(I8*)ptr = (I8)SSPOPINT;
798 case SAVEt_IV: /* IV reference */
800 *(IV*)ptr = (IV)SSPOPIV;
802 case SAVEt_SPTR: /* SV* reference */
804 *(SV**)ptr = (SV*)SSPOPPTR;
806 case SAVEt_VPTR: /* random* reference */
807 case SAVEt_PPTR: /* char* reference */
809 *(char**)ptr = (char*)SSPOPPTR;
811 case SAVEt_HPTR: /* HV* reference */
813 *(HV**)ptr = (HV*)SSPOPPTR;
815 case SAVEt_APTR: /* AV* reference */
817 *(AV**)ptr = (AV*)SSPOPPTR;
821 (void)sv_clear((SV*)gv);
823 case SAVEt_GP: /* scalar reference */
826 if (SvPVX_const(gv) && SvLEN(gv) > 0) {
827 Safefree(SvPVX_mutable(gv));
829 SvPV_set(gv, (char *)SSPOPPTR);
830 SvCUR_set(gv, (STRLEN)SSPOPIV);
831 SvLEN_set(gv, (STRLEN)SSPOPIV);
835 PL_sub_generation++; /* putting a method back into circulation */
840 SvREFCNT_dec((SV*)ptr);
842 case SAVEt_MORTALIZESV:
844 sv_2mortal((SV*)ptr);
848 ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); /* XXX DAPM tmp */
856 ptr = (void*)&PL_curpad[SSPOPLONG];
859 DEBUG_Xv(PerlIO_printf(Perl_debug_log,
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),
863 (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon"
866 /* Can clear pad variable in place? */
867 if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) {
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
873 if (SvPADMY(sv) && !SvFAKE(sv))
876 if (SvTHINKFIRST(sv))
877 sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF);
881 switch (SvTYPE(sv)) {
891 Perl_croak(aTHX_ "panic: leave_scope pad code");
896 SvPADSTALE_on(sv); /* mark as no longer live */
898 else { /* Someone has a claim on this, so abandon it. */
899 const U32 padflags = SvFLAGS(sv) & (SVs_PADMY|SVs_PADTMP);
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;
903 default: *(SV**)ptr = newSV(0); break;
905 SvREFCNT_dec(sv); /* Cast current value to the winds. */
906 /* preserve pad nature, but also mark as not live
907 * for any closure capturing */
908 SvFLAGS(*(SV**)ptr) |= padflags | SVs_PADSTALE;
915 (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD);
919 case SAVEt_DESTRUCTOR:
923 case SAVEt_DESTRUCTOR_X:
925 (*SSPOPDXPTR)(aTHX_ ptr);
927 case SAVEt_REGCONTEXT:
930 PL_savestack_ix -= i; /* regexp must have croaked */
932 case SAVEt_STACK_POS: /* Position on Perl stack */
934 PL_stack_sp = PL_stack_base + i;
936 case SAVEt_AELEM: /* array element */
937 value = (SV*)SSPOPPTR;
940 if (!AvREAL(av) && AvREIFY(av)) /* undo reify guard */
942 ptr = av_fetch(av,i,1);
945 if (sv && sv != &PL_sv_undef) {
946 if (SvTIED_mg((SV*)av, PERL_MAGIC_tied))
947 (void)SvREFCNT_inc(sv);
954 case SAVEt_HELEM: /* hash element */
955 value = (SV*)SSPOPPTR;
958 ptr = hv_fetch_ent(hv, sv, 1, 0);
960 const SV * const oval = HeVAL((HE*)ptr);
961 if (oval && oval != &PL_sv_undef) {
962 ptr = &HeVAL((HE*)ptr);
963 if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied))
964 (void)SvREFCNT_inc(*(SV**)ptr);
966 av = (AV*)hv; /* what to refcnt_dec */
975 PL_op = (OP*)SSPOPPTR;
978 if ((PL_hints & HINT_LOCALIZE_HH) && GvHV(PL_hintgv)) {
979 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
980 GvHV(PL_hintgv) = NULL;
982 *(I32*)&PL_hints = (I32)SSPOPINT;
983 if (PL_hints & HINT_LOCALIZE_HH) {
984 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
985 GvHV(PL_hintgv) = (HV*)SSPOPPTR;
990 PL_comppad = (PAD*)SSPOPPTR;
992 PL_curpad = AvARRAY(PL_comppad);
994 PL_curpad = Null(SV**);
998 const PADOFFSET off = (PADOFFSET)SSPOPLONG;
1001 AvARRAY((PAD*)ptr)[off] = (SV*)SSPOPPTR;
1004 case SAVEt_SAVESWITCHSTACK:
1007 AV* const t = (AV*)SSPOPPTR;
1008 AV* const f = (AV*)SSPOPPTR;
1010 PL_curstackinfo->si_stack = f;
1013 case SAVEt_SET_SVFLAGS:
1015 const U32 val = (U32)SSPOPINT;
1016 const U32 mask = (U32)SSPOPINT;
1018 SvFLAGS(sv) &= ~mask;
1023 Perl_croak(aTHX_ "panic: leave_scope inconsistency");
1029 Perl_cx_dump(pTHX_ PERL_CONTEXT *cx)
1033 PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]);
1034 if (CxTYPE(cx) != CXt_SUBST) {
1035 PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp);
1036 PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n",
1037 PTR2UV(cx->blk_oldcop));
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);
1040 PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n",
1041 PTR2UV(cx->blk_oldpm));
1042 PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR");
1044 switch (CxTYPE(cx)) {
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);
1057 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
1058 PTR2UV(cx->blk_sub.retop));
1061 PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
1062 PTR2UV(cx->blk_sub.cv));
1063 PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n",
1064 (long)cx->blk_sub.olddepth);
1065 PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
1066 (int)cx->blk_sub.hasargs);
1067 PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n",
1068 (int)cx->blk_sub.lval);
1069 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
1070 PTR2UV(cx->blk_sub.retop));
1073 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n",
1074 (long)cx->blk_eval.old_in_eval);
1075 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n",
1076 PL_op_name[cx->blk_eval.old_op_type],
1077 PL_op_desc[cx->blk_eval.old_op_type]);
1078 if (cx->blk_eval.old_namesv)
1079 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n",
1080 SvPVX_const(cx->blk_eval.old_namesv));
1081 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n",
1082 PTR2UV(cx->blk_eval.old_eval_root));
1083 PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n",
1084 PTR2UV(cx->blk_eval.retop));
1088 PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n",
1089 cx->blk_loop.label);
1090 PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n",
1091 (long)cx->blk_loop.resetsp);
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));
1098 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n",
1099 (long)cx->blk_loop.iterix);
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)));
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));
1112 PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n",
1113 (long)cx->sb_iters);
1114 PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n",
1115 (long)cx->sb_maxiters);
1116 PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n",
1117 (long)cx->sb_rflags);
1118 PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n",
1120 PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n",
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",
1128 PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n",
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));
1137 PERL_UNUSED_ARG(cx);
1138 #endif /* DEBUGGING */
1143 * c-indentation-style: bsd
1145 * indent-tabs-mode: t
1148 * ex: set ts=8 sts=4 sw=4 noet: