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 = &GvSV(gv);
189 SSPUSHPTR(SvREFCNT_inc(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 SSPUSHIV((IV)SvLEN(gv));
252 SvLEN_set(gv, 0); /* forget that anything was allocated here */
253 SSPUSHIV((IV)SvCUR(gv));
254 SSPUSHPTR(SvPVX_const(gv));
256 SSPUSHPTR(SvREFCNT_inc(gv));
266 PL_sub_generation++; /* taking a method out of circulation */
267 if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) {
269 IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START;
271 GvGP(gv) = gp_ref(gp);
273 GvLINE(gv) = CopLINE(PL_curcop);
274 /* XXX Ideally this cast would be replaced with a change to const char*
276 GvFILE(gv) = CopFILE(PL_curcop) ? CopFILE(PL_curcop) : (char *) "";
286 Perl_save_ary(pTHX_ GV *gv)
289 AV * const oav = GvAVn(gv);
292 if (!AvREAL(oav) && AvREIFY(oav))
299 GvAV(gv) = Null(AV*);
302 mg_localize((SV*)oav, (SV*)av);
307 Perl_save_hash(pTHX_ GV *gv)
314 SSPUSHPTR(ohv = GvHVn(gv));
317 GvHV(gv) = Null(HV*);
320 mg_localize((SV*)ohv, (SV*)hv);
325 Perl_save_item(pTHX_ register SV *item)
328 register SV * const sv = newSVsv(item);
331 SSPUSHPTR(item); /* remember the pointer */
332 SSPUSHPTR(sv); /* remember the value */
333 SSPUSHINT(SAVEt_ITEM);
337 Perl_save_int(pTHX_ int *intp)
343 SSPUSHINT(SAVEt_INT);
347 Perl_save_bool(pTHX_ bool *boolp)
353 SSPUSHINT(SAVEt_BOOL);
357 Perl_save_I32(pTHX_ I32 *intp)
363 SSPUSHINT(SAVEt_I32);
366 /* Cannot use save_sptr() to store a char* since the SV** cast will
367 * force word-alignment and we'll miss the pointer.
370 Perl_save_pptr(pTHX_ char **pptr)
376 SSPUSHINT(SAVEt_PPTR);
380 Perl_save_vptr(pTHX_ void *ptr)
384 SSPUSHPTR(*(char**)ptr);
386 SSPUSHINT(SAVEt_VPTR);
390 Perl_save_sptr(pTHX_ SV **sptr)
396 SSPUSHINT(SAVEt_SPTR);
400 Perl_save_padsv(pTHX_ PADOFFSET off)
404 ASSERT_CURPAD_ACTIVE("save_padsv");
405 SSPUSHPTR(PL_curpad[off]);
406 SSPUSHPTR(PL_comppad);
407 SSPUSHLONG((long)off);
408 SSPUSHINT(SAVEt_PADSV);
412 Perl_save_hptr(pTHX_ HV **hptr)
418 SSPUSHINT(SAVEt_HPTR);
422 Perl_save_aptr(pTHX_ AV **aptr)
428 SSPUSHINT(SAVEt_APTR);
432 Perl_save_freesv(pTHX_ SV *sv)
437 SSPUSHINT(SAVEt_FREESV);
441 Perl_save_mortalizesv(pTHX_ SV *sv)
446 SSPUSHINT(SAVEt_MORTALIZESV);
450 Perl_save_freeop(pTHX_ OP *o)
455 SSPUSHINT(SAVEt_FREEOP);
459 Perl_save_freepv(pTHX_ char *pv)
464 SSPUSHINT(SAVEt_FREEPV);
468 Perl_save_clearsv(pTHX_ SV **svp)
471 ASSERT_CURPAD_ACTIVE("save_clearsv");
473 SSPUSHLONG((long)(svp-PL_curpad));
474 SSPUSHINT(SAVEt_CLEARSV);
475 SvPADSTALE_off(*svp); /* mark lexical as active */
479 Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
485 SSPUSHPTR(SvREFCNT_inc(hv));
486 SSPUSHINT(SAVEt_DELETE);
490 Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p)
496 SSPUSHINT(SAVEt_DESTRUCTOR_X);
500 Perl_save_aelem(pTHX_ const AV *av, I32 idx, SV **sptr)
506 SSPUSHPTR(SvREFCNT_inc(av));
508 SSPUSHPTR(SvREFCNT_inc(*sptr));
509 SSPUSHINT(SAVEt_AELEM);
510 /* if it gets reified later, the restore will have the wrong refcnt */
511 if (!AvREAL(av) && AvREIFY(av))
512 (void)SvREFCNT_inc(*sptr);
513 save_scalar_at(sptr);
515 /* If we're localizing a tied array element, this new sv
516 * won't actually be stored in the array - so it won't get
517 * reaped when the localize ends. Ensure it gets reaped by
518 * mortifying it instead. DAPM */
519 if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
524 Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr)
530 SSPUSHPTR(SvREFCNT_inc(hv));
531 SSPUSHPTR(SvREFCNT_inc(key));
532 SSPUSHPTR(SvREFCNT_inc(*sptr));
533 SSPUSHINT(SAVEt_HELEM);
534 save_scalar_at(sptr);
536 /* If we're localizing a tied hash element, this new sv
537 * won't actually be stored in the hash - so it won't get
538 * reaped when the localize ends. Ensure it gets reaped by
539 * mortifying it instead. DAPM */
540 if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
545 Perl_save_svref(pTHX_ SV **sptr)
551 SSPUSHPTR(SvREFCNT_inc(*sptr));
552 SSPUSHINT(SAVEt_SVREF);
553 return save_scalar_at(sptr);
566 Perl_save_alloc(pTHX_ I32 size, I32 pad)
569 register const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
570 - (char*)PL_savestack);
571 register const I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
573 /* SSCHECK may not be good enough */
574 while (PL_savestack_ix + elems + 2 > PL_savestack_max)
577 PL_savestack_ix += elems;
579 SSPUSHINT(SAVEt_ALLOC);
584 Perl_leave_scope(pTHX_ I32 base)
597 Perl_croak(aTHX_ "panic: corrupt saved stack index");
598 while (PL_savestack_ix > base) {
600 case SAVEt_ITEM: /* normal string */
601 value = (SV*)SSPOPPTR;
603 sv_replace(sv,value);
608 case SAVEt_SV: /* scalar reference */
609 value = (SV*)SSPOPPTR;
612 av = (AV*)gv; /* what to refcnt_dec */
615 DEBUG_S(PerlIO_printf(Perl_debug_log,
616 "restore svref: %p %p:%s -> %p:%s\n",
617 ptr, sv, SvPEEK(sv), value, SvPEEK(value)));
624 if (av) /* actually an av, hv or gv */
627 case SAVEt_GENERIC_PVREF: /* generic pv */
628 str = (char*)SSPOPPTR;
630 if (*(char**)ptr != str) {
631 Safefree(*(char**)ptr);
635 case SAVEt_SHARED_PVREF: /* shared pv */
636 str = (char*)SSPOPPTR;
638 if (*(char**)ptr != str) {
640 PerlMem_free(*(char**)ptr);
642 PerlMemShared_free(*(char**)ptr);
647 case SAVEt_GENERIC_SVREF: /* generic sv */
648 value = (SV*)SSPOPPTR;
655 case SAVEt_AV: /* array reference */
659 AV * const goner = GvAV(gv);
660 /* FIXME - this is a temporary hack until we work out what
661 the correct behaviour for magic should be. */
662 sv_unmagic((SV*)goner, PERL_MAGIC_arylen_p);
663 SvMAGIC_set(av, SvMAGIC(goner));
664 SvFLAGS((SV*)av) |= SvMAGICAL(goner);
665 SvMAGICAL_off(goner);
666 SvMAGIC_set(goner, NULL);
676 case SAVEt_HV: /* hash reference */
680 HV * const goner = GvHV(gv);
681 SvMAGIC_set(hv, SvMAGIC(goner));
682 SvFLAGS(hv) |= SvMAGICAL(goner);
683 SvMAGICAL_off(goner);
684 SvMAGIC_set(goner, NULL);
694 case SAVEt_INT: /* int reference */
696 *(int*)ptr = (int)SSPOPINT;
698 case SAVEt_BOOL: /* bool reference */
700 *(bool*)ptr = (bool)SSPOPBOOL;
702 case SAVEt_I32: /* I32 reference */
704 *(I32*)ptr = (I32)SSPOPINT;
706 case SAVEt_SPTR: /* SV* reference */
708 *(SV**)ptr = (SV*)SSPOPPTR;
710 case SAVEt_VPTR: /* random* reference */
711 case SAVEt_PPTR: /* char* reference */
713 *(char**)ptr = (char*)SSPOPPTR;
715 case SAVEt_HPTR: /* HV* reference */
717 *(HV**)ptr = (HV*)SSPOPPTR;
719 case SAVEt_APTR: /* AV* reference */
721 *(AV**)ptr = (AV*)SSPOPPTR;
723 case SAVEt_GP: /* scalar reference */
726 if (SvPVX_const(gv) && SvLEN(gv) > 0) {
727 Safefree(SvPVX_mutable(gv));
729 SvPV_set(gv, (char *)SSPOPPTR);
730 SvCUR_set(gv, (STRLEN)SSPOPIV);
731 SvLEN_set(gv, (STRLEN)SSPOPIV);
735 PL_sub_generation++; /* putting a method back into circulation */
740 SvREFCNT_dec((SV*)ptr);
742 case SAVEt_MORTALIZESV:
744 sv_2mortal((SV*)ptr);
748 ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); /* XXX DAPM tmp */
756 ptr = (void*)&PL_curpad[SSPOPLONG];
759 DEBUG_Xv(PerlIO_printf(Perl_debug_log,
760 "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n",
761 PTR2UV(PL_comppad), PTR2UV(PL_curpad),
762 (long)((SV **)ptr-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv),
763 (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon"
766 /* Can clear pad variable in place? */
767 if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) {
769 * if a my variable that was made readonly is going out of
770 * scope, we want to remove the readonlyness so that it can
771 * go out of scope quietly
773 if (SvPADMY(sv) && !SvFAKE(sv))
776 if (SvTHINKFIRST(sv))
777 sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF);
781 switch (SvTYPE(sv)) {
791 Perl_croak(aTHX_ "panic: leave_scope pad code");
796 SvPADSTALE_on(sv); /* mark as no longer live */
798 else { /* Someone has a claim on this, so abandon it. */
799 const U32 padflags = SvFLAGS(sv) & (SVs_PADMY|SVs_PADTMP);
800 switch (SvTYPE(sv)) { /* Console ourselves with a new value */
801 case SVt_PVAV: *(SV**)ptr = (SV*)newAV(); break;
802 case SVt_PVHV: *(SV**)ptr = (SV*)newHV(); break;
803 default: *(SV**)ptr = newSV(0); break;
805 SvREFCNT_dec(sv); /* Cast current value to the winds. */
806 /* preserve pad nature, but also mark as not live
807 * for any closure capturing */
808 SvFLAGS(*(SV**)ptr) |= padflags | SVs_PADSTALE;
815 (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD);
819 case SAVEt_DESTRUCTOR_X:
821 (*SSPOPDXPTR)(aTHX_ ptr);
823 case SAVEt_REGCONTEXT:
826 PL_savestack_ix -= i; /* regexp must have croaked */
828 case SAVEt_STACK_POS: /* Position on Perl stack */
830 PL_stack_sp = PL_stack_base + i;
832 case SAVEt_AELEM: /* array element */
833 value = (SV*)SSPOPPTR;
836 if (!AvREAL(av) && AvREIFY(av)) /* undo reify guard */
838 ptr = av_fetch(av,i,1);
841 if (sv && sv != &PL_sv_undef) {
842 if (SvTIED_mg((SV*)av, PERL_MAGIC_tied))
843 (void)SvREFCNT_inc(sv);
850 case SAVEt_HELEM: /* hash element */
851 value = (SV*)SSPOPPTR;
854 ptr = hv_fetch_ent(hv, sv, 1, 0);
856 const SV * const oval = HeVAL((HE*)ptr);
857 if (oval && oval != &PL_sv_undef) {
858 ptr = &HeVAL((HE*)ptr);
859 if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied))
860 (void)SvREFCNT_inc(*(SV**)ptr);
862 av = (AV*)hv; /* what to refcnt_dec */
871 PL_op = (OP*)SSPOPPTR;
874 if ((PL_hints & HINT_LOCALIZE_HH) && GvHV(PL_hintgv)) {
875 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
876 GvHV(PL_hintgv) = NULL;
878 *(I32*)&PL_hints = (I32)SSPOPINT;
879 if (PL_hints & HINT_LOCALIZE_HH) {
880 SvREFCNT_dec((SV*)GvHV(PL_hintgv));
881 GvHV(PL_hintgv) = (HV*)SSPOPPTR;
886 PL_comppad = (PAD*)SSPOPPTR;
888 PL_curpad = AvARRAY(PL_comppad);
890 PL_curpad = Null(SV**);
894 const PADOFFSET off = (PADOFFSET)SSPOPLONG;
897 AvARRAY((PAD*)ptr)[off] = (SV*)SSPOPPTR;
900 case SAVEt_SAVESWITCHSTACK:
903 AV* const t = (AV*)SSPOPPTR;
904 AV* const f = (AV*)SSPOPPTR;
906 PL_curstackinfo->si_stack = f;
909 case SAVEt_SET_SVFLAGS:
911 const U32 val = (U32)SSPOPINT;
912 const U32 mask = (U32)SSPOPINT;
914 SvFLAGS(sv) &= ~mask;
918 /* These are only saved in mathoms.c */
919 case SAVEt_SVREF: /* scalar reference */
920 value = (SV*)SSPOPPTR;
922 av = NULL; /* what to refcnt_dec */
924 case SAVEt_LONG: /* long reference */
926 *(long*)ptr = (long)SSPOPLONG;
928 case SAVEt_I16: /* I16 reference */
930 *(I16*)ptr = (I16)SSPOPINT;
932 case SAVEt_I8: /* I8 reference */
934 *(I8*)ptr = (I8)SSPOPINT;
936 case SAVEt_IV: /* IV reference */
938 *(IV*)ptr = (IV)SSPOPIV;
942 (void)sv_clear((SV*)gv);
944 case SAVEt_DESTRUCTOR:
949 Perl_croak(aTHX_ "panic: leave_scope inconsistency");
955 Perl_cx_dump(pTHX_ PERL_CONTEXT *cx)
959 PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]);
960 if (CxTYPE(cx) != CXt_SUBST) {
961 PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp);
962 PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n",
963 PTR2UV(cx->blk_oldcop));
964 PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp);
965 PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp);
966 PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n",
967 PTR2UV(cx->blk_oldpm));
968 PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR");
970 switch (CxTYPE(cx)) {
975 PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
976 PTR2UV(cx->blk_sub.cv));
977 PerlIO_printf(Perl_debug_log, "BLK_SUB.GV = 0x%"UVxf"\n",
978 PTR2UV(cx->blk_sub.gv));
979 PerlIO_printf(Perl_debug_log, "BLK_SUB.DFOUTGV = 0x%"UVxf"\n",
980 PTR2UV(cx->blk_sub.dfoutgv));
981 PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
982 (int)cx->blk_sub.hasargs);
983 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
984 PTR2UV(cx->blk_sub.retop));
987 PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
988 PTR2UV(cx->blk_sub.cv));
989 PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n",
990 (long)cx->blk_sub.olddepth);
991 PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
992 (int)cx->blk_sub.hasargs);
993 PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n",
994 (int)cx->blk_sub.lval);
995 PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
996 PTR2UV(cx->blk_sub.retop));
999 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n",
1000 (long)cx->blk_eval.old_in_eval);
1001 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n",
1002 PL_op_name[cx->blk_eval.old_op_type],
1003 PL_op_desc[cx->blk_eval.old_op_type]);
1004 if (cx->blk_eval.old_namesv)
1005 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n",
1006 SvPVX_const(cx->blk_eval.old_namesv));
1007 PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n",
1008 PTR2UV(cx->blk_eval.old_eval_root));
1009 PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n",
1010 PTR2UV(cx->blk_eval.retop));
1014 PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n",
1015 cx->blk_loop.label);
1016 PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n",
1017 (long)cx->blk_loop.resetsp);
1018 PerlIO_printf(Perl_debug_log, "BLK_LOOP.REDO_OP = 0x%"UVxf"\n",
1019 PTR2UV(cx->blk_loop.redo_op));
1020 PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%"UVxf"\n",
1021 PTR2UV(cx->blk_loop.next_op));
1022 PerlIO_printf(Perl_debug_log, "BLK_LOOP.LAST_OP = 0x%"UVxf"\n",
1023 PTR2UV(cx->blk_loop.last_op));
1024 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n",
1025 (long)cx->blk_loop.iterix);
1026 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n",
1027 PTR2UV(cx->blk_loop.iterary));
1028 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n",
1029 PTR2UV(CxITERVAR(cx)));
1031 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%"UVxf"\n",
1032 PTR2UV(cx->blk_loop.itersave));
1033 PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERLVAL = 0x%"UVxf"\n",
1034 PTR2UV(cx->blk_loop.iterlval));
1038 PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n",
1039 (long)cx->sb_iters);
1040 PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n",
1041 (long)cx->sb_maxiters);
1042 PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n",
1043 (long)cx->sb_rflags);
1044 PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n",
1046 PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n",
1048 PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n",
1049 PTR2UV(cx->sb_dstr));
1050 PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n",
1051 PTR2UV(cx->sb_targ));
1052 PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n",
1054 PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n",
1056 PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n",
1057 PTR2UV(cx->sb_strend));
1058 PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n",
1059 PTR2UV(cx->sb_rxres));
1063 PERL_UNUSED_ARG(cx);
1064 #endif /* DEBUGGING */
1069 * c-indentation-style: bsd
1071 * indent-tabs-mode: t
1074 * ex: set ts=8 sts=4 sw=4 noet: