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--] = NULL;
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_IOK|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 = &GvSVn(gv);
189 SSPUSHPTR(SvREFCNT_inc_simple(gv));
190 SSPUSHPTR(SvREFCNT_inc(*sptr));
192 return save_scalar_at(sptr);
195 /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to
196 * restore a global SV to its prior contents, freeing new value. */
198 Perl_save_generic_svref(pTHX_ SV **sptr)
203 SSPUSHPTR(SvREFCNT_inc(*sptr));
204 SSPUSHINT(SAVEt_GENERIC_SVREF);
207 /* Like save_pptr(), but also Safefree()s the new value if it is different
208 * from the old one. Can be used to restore a global char* to its prior
209 * contents, freeing new value. */
211 Perl_save_generic_pvref(pTHX_ char **str)
217 SSPUSHINT(SAVEt_GENERIC_PVREF);
220 /* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree().
221 * Can be used to restore a shared global char* to its prior
222 * contents, freeing new value. */
224 Perl_save_shared_pvref(pTHX_ char **str)
230 SSPUSHINT(SAVEt_SHARED_PVREF);
233 /* set the SvFLAGS specified by mask to the values in val */
236 Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val)
243 SSPUSHINT(SAVEt_SET_SVFLAGS);
247 Perl_save_gp(pTHX_ GV *gv, I32 empty)
251 SSPUSHPTR(SvREFCNT_inc(gv));
261 PL_sub_generation++; /* taking a method out of circulation */
262 if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) {
264 IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START;
266 GvGP(gv) = gp_ref(gp);
267 #ifndef PERL_DONT_CREATE_GVSV
270 GvLINE(gv) = CopLINE(PL_curcop);
271 /* XXX Ideally this cast would be replaced with a change to const char*
273 GvFILE(gv) = CopFILE(PL_curcop) ? CopFILE(PL_curcop) : (char *) "";
283 Perl_save_ary(pTHX_ GV *gv)
286 AV * const oav = GvAVn(gv);
289 if (!AvREAL(oav) && AvREIFY(oav))
299 mg_localize((SV*)oav, (SV*)av);
304 Perl_save_hash(pTHX_ GV *gv)
311 SSPUSHPTR(ohv = GvHVn(gv));
317 mg_localize((SV*)ohv, (SV*)hv);
322 Perl_save_item(pTHX_ register SV *item)
325 register SV * const sv = newSVsv(item);
328 SSPUSHPTR(item); /* remember the pointer */
329 SSPUSHPTR(sv); /* remember the value */
330 SSPUSHINT(SAVEt_ITEM);
334 Perl_save_int(pTHX_ int *intp)
340 SSPUSHINT(SAVEt_INT);
344 Perl_save_bool(pTHX_ bool *boolp)
350 SSPUSHINT(SAVEt_BOOL);
354 Perl_save_I32(pTHX_ I32 *intp)
360 SSPUSHINT(SAVEt_I32);
363 /* Cannot use save_sptr() to store a char* since the SV** cast will
364 * force word-alignment and we'll miss the pointer.
367 Perl_save_pptr(pTHX_ char **pptr)
373 SSPUSHINT(SAVEt_PPTR);
377 Perl_save_vptr(pTHX_ void *ptr)
381 SSPUSHPTR(*(char**)ptr);
383 SSPUSHINT(SAVEt_VPTR);
387 Perl_save_sptr(pTHX_ SV **sptr)
393 SSPUSHINT(SAVEt_SPTR);
397 Perl_save_padsv(pTHX_ PADOFFSET off)
401 ASSERT_CURPAD_ACTIVE("save_padsv");
402 SSPUSHPTR(PL_curpad[off]);
403 SSPUSHPTR(PL_comppad);
404 SSPUSHLONG((long)off);
405 SSPUSHINT(SAVEt_PADSV);
409 Perl_save_hptr(pTHX_ HV **hptr)
415 SSPUSHINT(SAVEt_HPTR);
419 Perl_save_aptr(pTHX_ AV **aptr)
425 SSPUSHINT(SAVEt_APTR);
429 Perl_save_freesv(pTHX_ SV *sv)
434 SSPUSHINT(SAVEt_FREESV);
438 Perl_save_mortalizesv(pTHX_ SV *sv)
443 SSPUSHINT(SAVEt_MORTALIZESV);
447 Perl_save_freeop(pTHX_ OP *o)
452 SSPUSHINT(SAVEt_FREEOP);
456 Perl_save_freepv(pTHX_ char *pv)
461 SSPUSHINT(SAVEt_FREEPV);
465 Perl_save_clearsv(pTHX_ SV **svp)
468 ASSERT_CURPAD_ACTIVE("save_clearsv");
470 SSPUSHLONG((long)(svp-PL_curpad));
471 SSPUSHINT(SAVEt_CLEARSV);
472 SvPADSTALE_off(*svp); /* mark lexical as active */
476 Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
482 SSPUSHPTR(SvREFCNT_inc_simple(hv));
483 SSPUSHINT(SAVEt_DELETE);
487 Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p)
493 SSPUSHINT(SAVEt_DESTRUCTOR_X);
497 Perl_save_aelem(pTHX_ AV *av, I32 idx, SV **sptr)
503 SSPUSHPTR(SvREFCNT_inc_simple(av));
505 SSPUSHPTR(SvREFCNT_inc(*sptr));
506 SSPUSHINT(SAVEt_AELEM);
507 /* if it gets reified later, the restore will have the wrong refcnt */
508 if (!AvREAL(av) && AvREIFY(av))
509 SvREFCNT_inc_void(*sptr);
510 save_scalar_at(sptr);
512 /* If we're localizing a tied array element, this new sv
513 * won't actually be stored in the array - so it won't get
514 * reaped when the localize ends. Ensure it gets reaped by
515 * mortifying it instead. DAPM */
516 if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
521 Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr)
527 SSPUSHPTR(SvREFCNT_inc_simple(hv));
528 SSPUSHPTR(SvREFCNT_inc_simple(key));
529 SSPUSHPTR(SvREFCNT_inc(*sptr));
530 SSPUSHINT(SAVEt_HELEM);
531 save_scalar_at(sptr);
533 /* If we're localizing a tied hash element, this new sv
534 * won't actually be stored in the hash - so it won't get
535 * reaped when the localize ends. Ensure it gets reaped by
536 * mortifying it instead. DAPM */
537 if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
542 Perl_save_svref(pTHX_ SV **sptr)
548 SSPUSHPTR(SvREFCNT_inc(*sptr));
549 SSPUSHINT(SAVEt_SVREF);
550 return save_scalar_at(sptr);
563 Perl_save_alloc(pTHX_ I32 size, I32 pad)
566 register const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
567 - (char*)PL_savestack);
568 register const I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
570 /* SSCHECK may not be good enough */
571 while (PL_savestack_ix + elems + 2 > PL_savestack_max)
574 PL_savestack_ix += elems;
576 SSPUSHINT(SAVEt_ALLOC);
581 Perl_leave_scope(pTHX_ I32 base)
594 Perl_croak(aTHX_ "panic: corrupt saved stack index");
595 while (PL_savestack_ix > base) {
597 case SAVEt_ITEM: /* normal string */
598 value = (SV*)SSPOPPTR;
600 sv_replace(sv,value);
605 case SAVEt_SV: /* scalar reference */
606 value = (SV*)SSPOPPTR;
609 av = (AV*)gv; /* what to refcnt_dec */
612 DEBUG_S(PerlIO_printf(Perl_debug_log,
613 "restore svref: %p %p:%s -> %p:%s\n",
614 ptr, sv, SvPEEK(sv), value, SvPEEK(value)));
621 if (av) /* actually an av, hv or gv */
624 case SAVEt_GENERIC_PVREF: /* generic pv */
625 str = (char*)SSPOPPTR;
627 if (*(char**)ptr != str) {
628 Safefree(*(char**)ptr);
632 case SAVEt_SHARED_PVREF: /* shared pv */
633 str = (char*)SSPOPPTR;
635 if (*(char**)ptr != str) {
637 PerlMem_free(*(char**)ptr);
639 PerlMemShared_free(*(char**)ptr);
644 case SAVEt_GENERIC_SVREF: /* generic sv */
645 value = (SV*)SSPOPPTR;
652 case SAVEt_AV: /* array reference */
656 AV * const goner = GvAV(gv);
657 /* FIXME - this is a temporary hack until we work out what
658 the correct behaviour for magic should be. */
659 sv_unmagic((SV*)goner, PERL_MAGIC_arylen_p);
660 SvMAGIC_set(av, SvMAGIC(goner));
661 SvFLAGS((SV*)av) |= SvMAGICAL(goner);
662 SvMAGICAL_off(goner);
663 SvMAGIC_set(goner, NULL);
673 case SAVEt_HV: /* hash reference */
677 HV * const goner = GvHV(gv);
678 SvMAGIC_set(hv, SvMAGIC(goner));
679 SvFLAGS(hv) |= SvMAGICAL(goner);
680 SvMAGICAL_off(goner);
681 SvMAGIC_set(goner, NULL);
691 case SAVEt_INT: /* int reference */
693 *(int*)ptr = (int)SSPOPINT;
695 case SAVEt_BOOL: /* bool reference */
697 *(bool*)ptr = (bool)SSPOPBOOL;
699 case SAVEt_I32: /* I32 reference */
701 *(I32*)ptr = (I32)SSPOPINT;
703 case SAVEt_SPTR: /* SV* reference */
705 *(SV**)ptr = (SV*)SSPOPPTR;
707 case SAVEt_VPTR: /* random* reference */
708 case SAVEt_PPTR: /* char* reference */
710 *(char**)ptr = (char*)SSPOPPTR;
712 case SAVEt_HPTR: /* HV* reference */
714 *(HV**)ptr = (HV*)SSPOPPTR;
716 case SAVEt_APTR: /* AV* reference */
718 *(AV**)ptr = (AV*)SSPOPPTR;
720 case SAVEt_GP: /* scalar reference */
726 PL_sub_generation++; /* putting a method back into circulation */
731 SvREFCNT_dec((SV*)ptr);
733 case SAVEt_MORTALIZESV:
735 sv_2mortal((SV*)ptr);
739 ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); /* XXX DAPM tmp */
747 ptr = (void*)&PL_curpad[SSPOPLONG];
750 DEBUG_Xv(PerlIO_printf(Perl_debug_log,
751 "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n",
752 PTR2UV(PL_comppad), PTR2UV(PL_curpad),
753 (long)((SV **)ptr-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv),
754 (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon"
757 /* Can clear pad variable in place? */
758 if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) {
760 * if a my variable that was made readonly is going out of
761 * scope, we want to remove the readonlyness so that it can
762 * go out of scope quietly
764 if (SvPADMY(sv) && !SvFAKE(sv))
767 if (SvTHINKFIRST(sv))
768 sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF);
772 switch (SvTYPE(sv)) {
782 Perl_croak(aTHX_ "panic: leave_scope pad code");
787 SvPADSTALE_on(sv); /* mark as no longer live */
789 else { /* Someone has a claim on this, so abandon it. */
790 const U32 padflags = SvFLAGS(sv) & (SVs_PADMY|SVs_PADTMP);
791 switch (SvTYPE(sv)) { /* Console ourselves with a new value */
792 case SVt_PVAV: *(SV**)ptr = (SV*)newAV(); break;
793 case SVt_PVHV: *(SV**)ptr = (SV*)newHV(); break;
794 default: *(SV**)ptr = newSV(0); break;
796 SvREFCNT_dec(sv); /* Cast current value to the winds. */
797 /* preserve pad nature, but also mark as not live
798 * for any closure capturing */
799 SvFLAGS(*(SV**)ptr) |= padflags | SVs_PADSTALE;
806 (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD);
810 case SAVEt_DESTRUCTOR_X:
812 (*SSPOPDXPTR)(aTHX_ ptr);
814 case SAVEt_REGCONTEXT:
817 PL_savestack_ix -= i; /* regexp must have croaked */
819 case SAVEt_STACK_POS: /* Position on Perl stack */
821 PL_stack_sp = PL_stack_base + i;
823 case SAVEt_AELEM: /* array element */
824 value = (SV*)SSPOPPTR;
827 if (!AvREAL(av) && AvREIFY(av)) /* undo reify guard */
829 ptr = av_fetch(av,i,1);
832 if (sv && sv != &PL_sv_undef) {
833 if (SvTIED_mg((SV*)av, PERL_MAGIC_tied))
834 SvREFCNT_inc_void_NN(sv);
841 case SAVEt_HELEM: /* hash element */
842 value = (SV*)SSPOPPTR;
845 ptr = hv_fetch_ent(hv, sv, 1, 0);
847 const SV * const oval = HeVAL((HE*)ptr);
848 if (oval && oval != &PL_sv_undef) {
849 ptr = &HeVAL((HE*)ptr);
850 if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied))
851 SvREFCNT_inc_void(*(SV**)ptr);
853 av = (AV*)hv; /* what to refcnt_dec */
862 PL_op = (OP*)SSPOPPTR;
865 if ((PL_hints & HINT_LOCALIZE_HH) && GvHV(PL_hintgv)) {
866 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
867 GvHV(PL_hintgv) = NULL;
869 *(I32*)&PL_hints = (I32)SSPOPINT;
870 if (PL_hints & HINT_LOCALIZE_HH) {
871 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
872 GvHV(PL_hintgv) = (HV*)SSPOPPTR;
877 PL_comppad = (PAD*)SSPOPPTR;
879 PL_curpad = AvARRAY(PL_comppad);
885 const PADOFFSET off = (PADOFFSET)SSPOPLONG;
888 AvARRAY((PAD*)ptr)[off] = (SV*)SSPOPPTR;
891 case SAVEt_SAVESWITCHSTACK:
894 AV* const t = (AV*)SSPOPPTR;
895 AV* const f = (AV*)SSPOPPTR;
897 PL_curstackinfo->si_stack = f;
900 case SAVEt_SET_SVFLAGS:
902 const U32 val = (U32)SSPOPINT;
903 const U32 mask = (U32)SSPOPINT;
905 SvFLAGS(sv) &= ~mask;
909 /* These are only saved in mathoms.c */
910 case SAVEt_SVREF: /* scalar reference */
911 value = (SV*)SSPOPPTR;
913 av = NULL; /* what to refcnt_dec */
915 case SAVEt_LONG: /* long reference */
917 *(long*)ptr = (long)SSPOPLONG;
919 case SAVEt_I16: /* I16 reference */
921 *(I16*)ptr = (I16)SSPOPINT;
923 case SAVEt_I8: /* I8 reference */
925 *(I8*)ptr = (I8)SSPOPINT;
927 case SAVEt_IV: /* IV reference */
929 *(IV*)ptr = (IV)SSPOPIV;
933 (void)sv_clear((SV*)gv);
935 case SAVEt_DESTRUCTOR:
940 Perl_croak(aTHX_ "panic: leave_scope inconsistency");
946 Perl_cx_dump(pTHX_ PERL_CONTEXT *cx)
950 PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]);
951 if (CxTYPE(cx) != CXt_SUBST) {
952 PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp);
953 PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n",
954 PTR2UV(cx->blk_oldcop));
955 PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp);
956 PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp);
957 PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n",
958 PTR2UV(cx->blk_oldpm));
959 PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR");
961 switch (CxTYPE(cx)) {
966 PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
967 PTR2UV(cx->blk_sub.cv));
968 PerlIO_printf(Perl_debug_log, "BLK_SUB.GV = 0x%"UVxf"\n",
969 PTR2UV(cx->blk_sub.gv));
970 PerlIO_printf(Perl_debug_log, "BLK_SUB.DFOUTGV = 0x%"UVxf"\n",
971 PTR2UV(cx->blk_sub.dfoutgv));
972 PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
973 (int)cx->blk_sub.hasargs);
974 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
975 PTR2UV(cx->blk_sub.retop));
978 PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
979 PTR2UV(cx->blk_sub.cv));
980 PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n",
981 (long)cx->blk_sub.olddepth);
982 PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
983 (int)cx->blk_sub.hasargs);
984 PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n",
985 (int)cx->blk_sub.lval);
986 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
987 PTR2UV(cx->blk_sub.retop));
990 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n",
991 (long)cx->blk_eval.old_in_eval);
992 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n",
993 PL_op_name[cx->blk_eval.old_op_type],
994 PL_op_desc[cx->blk_eval.old_op_type]);
995 if (cx->blk_eval.old_namesv)
996 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n",
997 SvPVX_const(cx->blk_eval.old_namesv));
998 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n",
999 PTR2UV(cx->blk_eval.old_eval_root));
1000 PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n",
1001 PTR2UV(cx->blk_eval.retop));
1005 PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n",
1006 cx->blk_loop.label);
1007 PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n",
1008 (long)cx->blk_loop.resetsp);
1009 PerlIO_printf(Perl_debug_log, "BLK_LOOP.REDO_OP = 0x%"UVxf"\n",
1010 PTR2UV(cx->blk_loop.redo_op));
1011 PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%"UVxf"\n",
1012 PTR2UV(cx->blk_loop.next_op));
1013 PerlIO_printf(Perl_debug_log, "BLK_LOOP.LAST_OP = 0x%"UVxf"\n",
1014 PTR2UV(cx->blk_loop.last_op));
1015 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n",
1016 (long)cx->blk_loop.iterix);
1017 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n",
1018 PTR2UV(cx->blk_loop.iterary));
1019 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n",
1020 PTR2UV(CxITERVAR(cx)));
1022 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%"UVxf"\n",
1023 PTR2UV(cx->blk_loop.itersave));
1024 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERLVAL = 0x%"UVxf"\n",
1025 PTR2UV(cx->blk_loop.iterlval));
1029 PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n",
1030 (long)cx->sb_iters);
1031 PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n",
1032 (long)cx->sb_maxiters);
1033 PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n",
1034 (long)cx->sb_rflags);
1035 PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n",
1037 PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n",
1039 PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n",
1040 PTR2UV(cx->sb_dstr));
1041 PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n",
1042 PTR2UV(cx->sb_targ));
1043 PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n",
1045 PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n",
1047 PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n",
1048 PTR2UV(cx->sb_strend));
1049 PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n",
1050 PTR2UV(cx->sb_rxres));
1054 PERL_UNUSED_CONTEXT;
1055 PERL_UNUSED_ARG(cx);
1056 #endif /* DEBUGGING */
1061 * c-indentation-style: bsd
1063 * indent-tabs-mode: t
1066 * ex: set ts=8 sts=4 sw=4 noet: