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 * "'You have talked long in your sleep, Frodo,' said Gandalf gently, 'and
13 * it has not been hard for me to read your mind and memory.'"
17 #define PERL_IN_DUMP_C
24 Perl_dump_indent(pTHX_ I32 level, PerlIO *file, const char* pat, ...)
28 dump_vindent(level, file, pat, &args);
33 Perl_dump_vindent(pTHX_ I32 level, PerlIO *file, const char* pat, va_list *args)
35 PerlIO_printf(file, "%*s", (int)(level*PL_dumpindent), "");
36 PerlIO_vprintf(file, pat, *args);
42 PerlIO_setlinebuf(Perl_debug_log);
44 op_dump(PL_main_root);
45 dump_packsubs(PL_defstash);
49 Perl_dump_packsubs(pTHX_ HV *stash)
56 for (i = 0; i <= (I32) HvMAX(stash); i++) {
57 for (entry = HvARRAY(stash)[i]; entry; entry = HeNEXT(entry)) {
58 GV *gv = (GV*)HeVAL(entry);
60 if (SvTYPE(gv) != SVt_PVGV || !GvGP(gv))
66 if (HeKEY(entry)[HeKLEN(entry)-1] == ':'
67 && (hv = GvHV(gv)) && hv != PL_defstash)
68 dump_packsubs(hv); /* nested package */
74 Perl_dump_sub(pTHX_ GV *gv)
76 SV *sv = sv_newmortal();
78 gv_fullname3(sv, gv, Nullch);
79 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nSUB %s = ", SvPVX(sv));
81 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "(xsub 0x%"UVxf" %d)\n",
82 PTR2UV(CvXSUB(GvCV(gv))),
83 (int)CvXSUBANY(GvCV(gv)).any_i32);
84 else if (CvROOT(GvCV(gv)))
85 op_dump(CvROOT(GvCV(gv)));
87 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
91 Perl_dump_form(pTHX_ GV *gv)
93 SV *sv = sv_newmortal();
95 gv_fullname3(sv, gv, Nullch);
96 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nFORMAT %s = ", SvPVX(sv));
97 if (CvROOT(GvFORM(gv)))
98 op_dump(CvROOT(GvFORM(gv)));
100 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
106 op_dump(PL_eval_root);
110 Perl_pv_display(pTHX_ SV *dsv, char *pv, STRLEN cur, STRLEN len, STRLEN pvlim)
113 int nul_terminated = len > cur && pv[cur] == '\0';
115 sv_setpvn(dsv, "\"", 1);
116 for (; cur--; pv++) {
117 if (pvlim && SvCUR(dsv) >= pvlim) {
122 case '\t': sv_catpvn(dsv, "\\t", 2); break;
123 case '\n': sv_catpvn(dsv, "\\n", 2); break;
124 case '\r': sv_catpvn(dsv, "\\r", 2); break;
125 case '\f': sv_catpvn(dsv, "\\f", 2); break;
126 case '"': sv_catpvn(dsv, "\\\"", 2); break;
127 case '\\': sv_catpvn(dsv, "\\\\", 2); break;
130 sv_catpvn(dsv, pv, 1);
131 else if (cur && isDIGIT(*(pv+1)))
132 Perl_sv_catpvf(aTHX_ dsv, "\\%03o", (U8)*pv);
134 Perl_sv_catpvf(aTHX_ dsv, "\\%o", (U8)*pv);
137 sv_catpvn(dsv, "\"", 1);
139 sv_catpvn(dsv, "...", 3);
141 sv_catpvn(dsv, "\\0", 2);
147 Perl_sv_peek(pTHX_ SV *sv)
149 SV *t = sv_newmortal();
159 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
163 else if (sv == &PL_sv_undef || sv == &PL_sv_no || sv == &PL_sv_yes || sv == &PL_sv_placeholder) {
164 if (sv == &PL_sv_undef) {
165 sv_catpv(t, "SV_UNDEF");
166 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
167 SVs_GMG|SVs_SMG|SVs_RMG)) &&
171 else if (sv == &PL_sv_no) {
172 sv_catpv(t, "SV_NO");
173 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
174 SVs_GMG|SVs_SMG|SVs_RMG)) &&
175 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
181 else if (sv == &PL_sv_yes) {
182 sv_catpv(t, "SV_YES");
183 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
184 SVs_GMG|SVs_SMG|SVs_RMG)) &&
185 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
188 SvPVX(sv) && *SvPVX(sv) == '1' &&
193 sv_catpv(t, "SV_PLACEHOLDER");
194 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
195 SVs_GMG|SVs_SMG|SVs_RMG)) &&
201 else if (SvREFCNT(sv) == 0) {
205 else if (DEBUG_R_TEST_) {
208 /* is this SV on the tmps stack? */
209 for (ix=PL_tmps_ix; ix>=0; ix--) {
210 if (PL_tmps_stack[ix] == sv) {
215 if (SvREFCNT(sv) > 1)
216 Perl_sv_catpvf(aTHX_ t, "<%"UVuf"%s>", (UV)SvREFCNT(sv),
224 if (SvCUR(t) + unref > 10) {
225 SvCUR(t) = unref + 3;
233 switch (SvTYPE(sv)) {
235 sv_catpv(t, "FREED");
239 sv_catpv(t, "UNDEF");
273 Perl_sv_catpvf(aTHX_ t, "CV(%s)", GvNAME(CvGV(sv)));
293 sv_catpv(t, "(null)");
295 SV *tmp = newSVpvn("", 0);
298 Perl_sv_catpvf(aTHX_ t, "[%s]", pv_display(tmp, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, 127));
299 Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, SvPVX(sv), SvCUR(sv), SvLEN(sv), 127));
301 Perl_sv_catpvf(aTHX_ t, " [UTF8 \"%s\"]",
302 sv_uni_display(tmp, sv, 8 * sv_len_utf8(sv),
307 else if (SvNOKp(sv)) {
308 STORE_NUMERIC_LOCAL_SET_STANDARD();
309 Perl_sv_catpvf(aTHX_ t, "(%"NVgf")",SvNVX(sv));
310 RESTORE_NUMERIC_LOCAL();
312 else if (SvIOKp(sv)) {
314 Perl_sv_catpvf(aTHX_ t, "(%"UVuf")", (UV)SvUVX(sv));
316 Perl_sv_catpvf(aTHX_ t, "(%"IVdf")", (IV)SvIVX(sv));
330 Perl_do_pmop_dump(pTHX_ I32 level, PerlIO *file, PMOP *pm)
335 Perl_dump_indent(aTHX_ level, file, "{}\n");
338 Perl_dump_indent(aTHX_ level, file, "{\n");
340 if (pm->op_pmflags & PMf_ONCE)
345 Perl_dump_indent(aTHX_ level, file, "PMf_PRE %c%s%c%s\n",
346 ch, PM_GETRE(pm)->precomp, ch,
347 (pm->op_private & OPpRUNTIME) ? " (RUNTIME)" : "");
349 Perl_dump_indent(aTHX_ level, file, "PMf_PRE (RUNTIME)\n");
350 if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) {
351 Perl_dump_indent(aTHX_ level, file, "PMf_REPL = ");
352 op_dump(pm->op_pmreplroot);
354 if (pm->op_pmflags || (PM_GETRE(pm) && PM_GETRE(pm)->check_substr)) {
355 SV *tmpsv = newSVpvn("", 0);
356 if (pm->op_pmdynflags & PMdf_USED)
357 sv_catpv(tmpsv, ",USED");
358 if (pm->op_pmdynflags & PMdf_TAINTED)
359 sv_catpv(tmpsv, ",TAINTED");
360 if (pm->op_pmflags & PMf_ONCE)
361 sv_catpv(tmpsv, ",ONCE");
362 if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
363 && !(PM_GETRE(pm)->reganch & ROPT_NOSCAN))
364 sv_catpv(tmpsv, ",SCANFIRST");
365 if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
366 && PM_GETRE(pm)->reganch & ROPT_CHECK_ALL)
367 sv_catpv(tmpsv, ",ALL");
368 if (pm->op_pmflags & PMf_SKIPWHITE)
369 sv_catpv(tmpsv, ",SKIPWHITE");
370 if (pm->op_pmflags & PMf_CONST)
371 sv_catpv(tmpsv, ",CONST");
372 if (pm->op_pmflags & PMf_KEEP)
373 sv_catpv(tmpsv, ",KEEP");
374 if (pm->op_pmflags & PMf_GLOBAL)
375 sv_catpv(tmpsv, ",GLOBAL");
376 if (pm->op_pmflags & PMf_CONTINUE)
377 sv_catpv(tmpsv, ",CONTINUE");
378 if (pm->op_pmflags & PMf_RETAINT)
379 sv_catpv(tmpsv, ",RETAINT");
380 if (pm->op_pmflags & PMf_EVAL)
381 sv_catpv(tmpsv, ",EVAL");
382 Perl_dump_indent(aTHX_ level, file, "PMFLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
386 Perl_dump_indent(aTHX_ level-1, file, "}\n");
390 Perl_pmop_dump(pTHX_ PMOP *pm)
392 do_pmop_dump(0, Perl_debug_log, pm);
395 /* An op sequencer. We visit the ops in the order they're to execute. */
398 sequence(pTHX_ register OP *o)
413 op = newSVuv(PTR2UV(o));
415 if (hv_exists(Sequence, key, len))
418 for (; o; o = o->op_next) {
419 op = newSVuv(PTR2UV(o));
421 if (hv_exists(Sequence, key, len))
424 switch (o->op_type) {
426 if ((o->op_flags & OPf_WANT) != OPf_WANT_LIST) {
427 hv_store(Sequence, key, len, newSVuv(++seq), 0);
432 if (oldop && o->op_next)
439 if (oldop && o->op_next)
441 hv_store(Sequence, key, len, newSVuv(++seq), 0);
454 hv_store(Sequence, key, len, newSVuv(++seq), 0);
455 for (l = cLOGOPo->op_other; l && l->op_type == OP_NULL; l = l->op_next)
462 hv_store(Sequence, key, len, newSVuv(++seq), 0);
463 for (l = cLOOPo->op_redoop; l && l->op_type == OP_NULL; l = l->op_next)
466 for (l = cLOOPo->op_nextop; l && l->op_type == OP_NULL; l = l->op_next)
469 for (l = cLOOPo->op_lastop; l && l->op_type == OP_NULL; l = l->op_next)
477 hv_store(Sequence, key, len, newSVuv(++seq), 0);
478 for (l = cPMOPo->op_pmreplstart; l && l->op_type == OP_NULL; l = l->op_next)
487 hv_store(Sequence, key, len, newSVuv(++seq), 0);
495 sequence_num(pTHX_ OP *o)
502 op = newSVuv(PTR2UV(o));
504 seq = hv_fetch(Sequence, key, len, 0);
505 return seq ? SvUV(*seq): 0;
509 Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
513 Perl_dump_indent(aTHX_ level, file, "{\n");
515 seq = sequence_num(aTHX_ o);
517 PerlIO_printf(file, "%-4"UVf, seq);
519 PerlIO_printf(file, " ");
521 "%*sTYPE = %s ===> ",
522 (int)(PL_dumpindent*level-4), "", OP_NAME(o));
524 PerlIO_printf(file, seq ? "%"UVf"\n" : "(%"UVf")\n",
525 sequence_num(aTHX_ o->op_next));
527 PerlIO_printf(file, "DONE\n");
529 if (o->op_type == OP_NULL)
531 Perl_dump_indent(aTHX_ level, file, " (was %s)\n", PL_op_name[o->op_targ]);
532 if (o->op_targ == OP_NEXTSTATE)
535 Perl_dump_indent(aTHX_ level, file, "LINE = %"UVf"\n",
537 if (CopSTASHPV(cCOPo))
538 Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
540 if (cCOPo->cop_label)
541 Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
546 Perl_dump_indent(aTHX_ level, file, "TARG = %ld\n", (long)o->op_targ);
549 Perl_dump_indent(aTHX_ level, file, "ADDR = 0x%"UVxf" => 0x%"UVxf"\n", (UV)o, (UV)o->op_next);
552 SV *tmpsv = newSVpvn("", 0);
553 switch (o->op_flags & OPf_WANT) {
555 sv_catpv(tmpsv, ",VOID");
557 case OPf_WANT_SCALAR:
558 sv_catpv(tmpsv, ",SCALAR");
561 sv_catpv(tmpsv, ",LIST");
564 sv_catpv(tmpsv, ",UNKNOWN");
567 if (o->op_flags & OPf_KIDS)
568 sv_catpv(tmpsv, ",KIDS");
569 if (o->op_flags & OPf_PARENS)
570 sv_catpv(tmpsv, ",PARENS");
571 if (o->op_flags & OPf_STACKED)
572 sv_catpv(tmpsv, ",STACKED");
573 if (o->op_flags & OPf_REF)
574 sv_catpv(tmpsv, ",REF");
575 if (o->op_flags & OPf_MOD)
576 sv_catpv(tmpsv, ",MOD");
577 if (o->op_flags & OPf_SPECIAL)
578 sv_catpv(tmpsv, ",SPECIAL");
579 Perl_dump_indent(aTHX_ level, file, "FLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
583 SV *tmpsv = newSVpvn("", 0);
584 if (PL_opargs[o->op_type] & OA_TARGLEX) {
585 if (o->op_private & OPpTARGET_MY)
586 sv_catpv(tmpsv, ",TARGET_MY");
588 else if (o->op_type == OP_LEAVESUB ||
589 o->op_type == OP_LEAVE ||
590 o->op_type == OP_LEAVESUBLV ||
591 o->op_type == OP_LEAVEWRITE) {
592 if (o->op_private & OPpREFCOUNTED)
593 sv_catpv(tmpsv, ",REFCOUNTED");
595 else if (o->op_type == OP_AASSIGN) {
596 if (o->op_private & OPpASSIGN_COMMON)
597 sv_catpv(tmpsv, ",COMMON");
599 else if (o->op_type == OP_SASSIGN) {
600 if (o->op_private & OPpASSIGN_BACKWARDS)
601 sv_catpv(tmpsv, ",BACKWARDS");
603 else if (o->op_type == OP_TRANS) {
604 if (o->op_private & OPpTRANS_SQUASH)
605 sv_catpv(tmpsv, ",SQUASH");
606 if (o->op_private & OPpTRANS_DELETE)
607 sv_catpv(tmpsv, ",DELETE");
608 if (o->op_private & OPpTRANS_COMPLEMENT)
609 sv_catpv(tmpsv, ",COMPLEMENT");
610 if (o->op_private & OPpTRANS_IDENTICAL)
611 sv_catpv(tmpsv, ",IDENTICAL");
612 if (o->op_private & OPpTRANS_GROWS)
613 sv_catpv(tmpsv, ",GROWS");
615 else if (o->op_type == OP_REPEAT) {
616 if (o->op_private & OPpREPEAT_DOLIST)
617 sv_catpv(tmpsv, ",DOLIST");
619 else if (o->op_type == OP_ENTERSUB ||
620 o->op_type == OP_RV2SV ||
621 o->op_type == OP_GVSV ||
622 o->op_type == OP_RV2AV ||
623 o->op_type == OP_RV2HV ||
624 o->op_type == OP_RV2GV ||
625 o->op_type == OP_AELEM ||
626 o->op_type == OP_HELEM )
628 if (o->op_type == OP_ENTERSUB) {
629 if (o->op_private & OPpENTERSUB_AMPER)
630 sv_catpv(tmpsv, ",AMPER");
631 if (o->op_private & OPpENTERSUB_DB)
632 sv_catpv(tmpsv, ",DB");
633 if (o->op_private & OPpENTERSUB_HASTARG)
634 sv_catpv(tmpsv, ",HASTARG");
635 if (o->op_private & OPpENTERSUB_NOPAREN)
636 sv_catpv(tmpsv, ",NOPAREN");
637 if (o->op_private & OPpENTERSUB_INARGS)
638 sv_catpv(tmpsv, ",INARGS");
639 if (o->op_private & OPpENTERSUB_NOMOD)
640 sv_catpv(tmpsv, ",NOMOD");
643 switch (o->op_private & OPpDEREF) {
645 sv_catpv(tmpsv, ",SV");
648 sv_catpv(tmpsv, ",AV");
651 sv_catpv(tmpsv, ",HV");
654 if (o->op_private & OPpMAYBE_LVSUB)
655 sv_catpv(tmpsv, ",MAYBE_LVSUB");
657 if (o->op_type == OP_AELEM || o->op_type == OP_HELEM) {
658 if (o->op_private & OPpLVAL_DEFER)
659 sv_catpv(tmpsv, ",LVAL_DEFER");
662 if (o->op_private & HINT_STRICT_REFS)
663 sv_catpv(tmpsv, ",STRICT_REFS");
664 if (o->op_private & OPpOUR_INTRO)
665 sv_catpv(tmpsv, ",OUR_INTRO");
668 else if (o->op_type == OP_CONST) {
669 if (o->op_private & OPpCONST_BARE)
670 sv_catpv(tmpsv, ",BARE");
671 if (o->op_private & OPpCONST_STRICT)
672 sv_catpv(tmpsv, ",STRICT");
673 if (o->op_private & OPpCONST_ARYBASE)
674 sv_catpv(tmpsv, ",ARYBASE");
675 if (o->op_private & OPpCONST_WARNING)
676 sv_catpv(tmpsv, ",WARNING");
677 if (o->op_private & OPpCONST_ENTERED)
678 sv_catpv(tmpsv, ",ENTERED");
680 else if (o->op_type == OP_FLIP) {
681 if (o->op_private & OPpFLIP_LINENUM)
682 sv_catpv(tmpsv, ",LINENUM");
684 else if (o->op_type == OP_FLOP) {
685 if (o->op_private & OPpFLIP_LINENUM)
686 sv_catpv(tmpsv, ",LINENUM");
688 else if (o->op_type == OP_RV2CV) {
689 if (o->op_private & OPpLVAL_INTRO)
690 sv_catpv(tmpsv, ",INTRO");
692 else if (o->op_type == OP_GV) {
693 if (o->op_private & OPpEARLY_CV)
694 sv_catpv(tmpsv, ",EARLY_CV");
696 else if (o->op_type == OP_LIST) {
697 if (o->op_private & OPpLIST_GUESSED)
698 sv_catpv(tmpsv, ",GUESSED");
700 else if (o->op_type == OP_DELETE) {
701 if (o->op_private & OPpSLICE)
702 sv_catpv(tmpsv, ",SLICE");
704 else if (o->op_type == OP_EXISTS) {
705 if (o->op_private & OPpEXISTS_SUB)
706 sv_catpv(tmpsv, ",EXISTS_SUB");
708 else if (o->op_type == OP_SORT) {
709 if (o->op_private & OPpSORT_NUMERIC)
710 sv_catpv(tmpsv, ",NUMERIC");
711 if (o->op_private & OPpSORT_INTEGER)
712 sv_catpv(tmpsv, ",INTEGER");
713 if (o->op_private & OPpSORT_REVERSE)
714 sv_catpv(tmpsv, ",REVERSE");
716 else if (o->op_type == OP_THREADSV) {
717 if (o->op_private & OPpDONE_SVREF)
718 sv_catpv(tmpsv, ",SVREF");
720 else if (o->op_type == OP_OPEN || o->op_type == OP_BACKTICK) {
721 if (o->op_private & OPpOPEN_IN_RAW)
722 sv_catpv(tmpsv, ",IN_RAW");
723 if (o->op_private & OPpOPEN_IN_CRLF)
724 sv_catpv(tmpsv, ",IN_CRLF");
725 if (o->op_private & OPpOPEN_OUT_RAW)
726 sv_catpv(tmpsv, ",OUT_RAW");
727 if (o->op_private & OPpOPEN_OUT_CRLF)
728 sv_catpv(tmpsv, ",OUT_CRLF");
730 else if (o->op_type == OP_EXIT) {
731 if (o->op_private & OPpEXIT_VMSISH)
732 sv_catpv(tmpsv, ",EXIT_VMSISH");
733 if (o->op_private & OPpHUSH_VMSISH)
734 sv_catpv(tmpsv, ",HUSH_VMSISH");
736 else if (o->op_type == OP_DIE) {
737 if (o->op_private & OPpHUSH_VMSISH)
738 sv_catpv(tmpsv, ",HUSH_VMSISH");
740 else if (PL_check[o->op_type] != MEMBER_TO_FPTR(Perl_ck_ftst)) {
741 if (OP_IS_FILETEST_ACCESS(o) && o->op_private & OPpFT_ACCESS)
742 sv_catpv(tmpsv, ",FT_ACCESS");
743 if (o->op_private & OPpFT_STACKED)
744 sv_catpv(tmpsv, ",FT_STACKED");
746 if (o->op_flags & OPf_MOD && o->op_private & OPpLVAL_INTRO)
747 sv_catpv(tmpsv, ",INTRO");
749 Perl_dump_indent(aTHX_ level, file, "PRIVATE = (%s)\n", SvPVX(tmpsv) + 1);
753 switch (o->op_type) {
758 Perl_dump_indent(aTHX_ level, file, "PADIX = %" IVdf "\n", (IV)cPADOPo->op_padix);
761 SV *tmpsv = NEWSV(0,0);
765 gv_fullname3(tmpsv, (GV*)cSVOPo->op_sv, Nullch);
766 Perl_dump_indent(aTHX_ level, file, "GV = %s\n", SvPV(tmpsv, n_a));
770 Perl_dump_indent(aTHX_ level, file, "GV = NULL\n");
774 case OP_METHOD_NAMED:
776 /* with ITHREADS, consts are stored in the pad, and the right pad
777 * may not be active here, so skip */
778 Perl_dump_indent(aTHX_ level, file, "SV = %s\n", SvPEEK(cSVOPo_sv));
785 Perl_dump_indent(aTHX_ level, file, "LINE = %"UVf"\n",
787 if (CopSTASHPV(cCOPo))
788 Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
790 if (cCOPo->cop_label)
791 Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
795 Perl_dump_indent(aTHX_ level, file, "REDO ===> ");
796 if (cLOOPo->op_redoop)
797 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOOPo->op_redoop));
799 PerlIO_printf(file, "DONE\n");
800 Perl_dump_indent(aTHX_ level, file, "NEXT ===> ");
801 if (cLOOPo->op_nextop)
802 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOOPo->op_nextop));
804 PerlIO_printf(file, "DONE\n");
805 Perl_dump_indent(aTHX_ level, file, "LAST ===> ");
806 if (cLOOPo->op_lastop)
807 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOOPo->op_lastop));
809 PerlIO_printf(file, "DONE\n");
817 Perl_dump_indent(aTHX_ level, file, "OTHER ===> ");
818 if (cLOGOPo->op_other)
819 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOGOPo->op_other));
821 PerlIO_printf(file, "DONE\n");
827 do_pmop_dump(level, file, cPMOPo);
835 if (o->op_private & OPpREFCOUNTED)
836 Perl_dump_indent(aTHX_ level, file, "REFCNT = %"UVuf"\n", (UV)o->op_targ);
841 if (o->op_flags & OPf_KIDS) {
843 for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
844 do_op_dump(level, file, kid);
846 Perl_dump_indent(aTHX_ level-1, file, "}\n");
850 Perl_op_dump(pTHX_ OP *o)
852 do_op_dump(0, Perl_debug_log, o);
856 Perl_gv_dump(pTHX_ GV *gv)
861 PerlIO_printf(Perl_debug_log, "{}\n");
865 PerlIO_printf(Perl_debug_log, "{\n");
866 gv_fullname3(sv, gv, Nullch);
867 Perl_dump_indent(aTHX_ 1, Perl_debug_log, "GV_NAME = %s", SvPVX(sv));
868 if (gv != GvEGV(gv)) {
869 gv_efullname3(sv, GvEGV(gv), Nullch);
870 Perl_dump_indent(aTHX_ 1, Perl_debug_log, "-> %s", SvPVX(sv));
872 PerlIO_putc(Perl_debug_log, '\n');
873 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "}\n");
877 /* map magic types to the symbolic names
878 * (with the PERL_MAGIC_ prefixed stripped)
881 static struct { char type; char *name; } magic_names[] = {
882 { PERL_MAGIC_sv, "sv(\\0)" },
883 { PERL_MAGIC_arylen, "arylen(#)" },
884 { PERL_MAGIC_glob, "glob(*)" },
885 { PERL_MAGIC_pos, "pos(.)" },
886 { PERL_MAGIC_backref, "backref(<)" },
887 { PERL_MAGIC_overload, "overload(A)" },
888 { PERL_MAGIC_bm, "bm(B)" },
889 { PERL_MAGIC_regdata, "regdata(D)" },
890 { PERL_MAGIC_env, "env(E)" },
891 { PERL_MAGIC_isa, "isa(I)" },
892 { PERL_MAGIC_dbfile, "dbfile(L)" },
893 { PERL_MAGIC_shared, "shared(N)" },
894 { PERL_MAGIC_tied, "tied(P)" },
895 { PERL_MAGIC_sig, "sig(S)" },
896 { PERL_MAGIC_uvar, "uvar(U)" },
897 { PERL_MAGIC_overload_elem, "overload_elem(a)" },
898 { PERL_MAGIC_overload_table, "overload_table(c)" },
899 { PERL_MAGIC_regdatum, "regdatum(d)" },
900 { PERL_MAGIC_envelem, "envelem(e)" },
901 { PERL_MAGIC_fm, "fm(f)" },
902 { PERL_MAGIC_regex_global, "regex_global(g)" },
903 { PERL_MAGIC_isaelem, "isaelem(i)" },
904 { PERL_MAGIC_nkeys, "nkeys(k)" },
905 { PERL_MAGIC_dbline, "dbline(l)" },
906 { PERL_MAGIC_mutex, "mutex(m)" },
907 { PERL_MAGIC_shared_scalar, "shared_scalar(n)" },
908 { PERL_MAGIC_collxfrm, "collxfrm(o)" },
909 { PERL_MAGIC_tiedelem, "tiedelem(p)" },
910 { PERL_MAGIC_tiedscalar, "tiedscalar(q)" },
911 { PERL_MAGIC_qr, "qr(r)" },
912 { PERL_MAGIC_sigelem, "sigelem(s)" },
913 { PERL_MAGIC_taint, "taint(t)" },
914 { PERL_MAGIC_uvar_elem, "uvar_elem(v)" },
915 { PERL_MAGIC_vec, "vec(v)" },
916 { PERL_MAGIC_vstring, "vstring(V)" },
917 { PERL_MAGIC_utf8, "utf8(w)" },
918 { PERL_MAGIC_substr, "substr(x)" },
919 { PERL_MAGIC_defelem, "defelem(y)" },
920 { PERL_MAGIC_ext, "ext(~)" },
921 /* this null string terminates the list */
926 Perl_do_magic_dump(pTHX_ I32 level, PerlIO *file, MAGIC *mg, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
928 for (; mg; mg = mg->mg_moremagic) {
929 Perl_dump_indent(aTHX_ level, file,
930 " MAGIC = 0x%"UVxf"\n", PTR2UV(mg));
931 if (mg->mg_virtual) {
932 MGVTBL *v = mg->mg_virtual;
934 if (v == &PL_vtbl_sv) s = "sv";
935 else if (v == &PL_vtbl_env) s = "env";
936 else if (v == &PL_vtbl_envelem) s = "envelem";
937 else if (v == &PL_vtbl_sig) s = "sig";
938 else if (v == &PL_vtbl_sigelem) s = "sigelem";
939 else if (v == &PL_vtbl_pack) s = "pack";
940 else if (v == &PL_vtbl_packelem) s = "packelem";
941 else if (v == &PL_vtbl_dbline) s = "dbline";
942 else if (v == &PL_vtbl_isa) s = "isa";
943 else if (v == &PL_vtbl_arylen) s = "arylen";
944 else if (v == &PL_vtbl_glob) s = "glob";
945 else if (v == &PL_vtbl_mglob) s = "mglob";
946 else if (v == &PL_vtbl_nkeys) s = "nkeys";
947 else if (v == &PL_vtbl_taint) s = "taint";
948 else if (v == &PL_vtbl_substr) s = "substr";
949 else if (v == &PL_vtbl_vec) s = "vec";
950 else if (v == &PL_vtbl_pos) s = "pos";
951 else if (v == &PL_vtbl_bm) s = "bm";
952 else if (v == &PL_vtbl_fm) s = "fm";
953 else if (v == &PL_vtbl_uvar) s = "uvar";
954 else if (v == &PL_vtbl_defelem) s = "defelem";
955 #ifdef USE_LOCALE_COLLATE
956 else if (v == &PL_vtbl_collxfrm) s = "collxfrm";
958 else if (v == &PL_vtbl_amagic) s = "amagic";
959 else if (v == &PL_vtbl_amagicelem) s = "amagicelem";
960 else if (v == &PL_vtbl_backref) s = "backref";
961 else if (v == &PL_vtbl_utf8) s = "utf8";
963 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = &PL_vtbl_%s\n", s);
965 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0x%"UVxf"\n", PTR2UV(v));
968 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0\n");
971 Perl_dump_indent(aTHX_ level, file, " MG_PRIVATE = %d\n", mg->mg_private);
976 for (n=0; magic_names[n].name; n++) {
977 if (mg->mg_type == magic_names[n].type) {
978 name = magic_names[n].name;
983 Perl_dump_indent(aTHX_ level, file,
984 " MG_TYPE = PERL_MAGIC_%s\n", name);
986 Perl_dump_indent(aTHX_ level, file,
987 " MG_TYPE = UNKNOWN(\\%o)\n", mg->mg_type);
991 Perl_dump_indent(aTHX_ level, file, " MG_FLAGS = 0x%02X\n", mg->mg_flags);
992 if (mg->mg_type == PERL_MAGIC_envelem &&
993 mg->mg_flags & MGf_TAINTEDDIR)
994 Perl_dump_indent(aTHX_ level, file, " TAINTEDDIR\n");
995 if (mg->mg_flags & MGf_REFCOUNTED)
996 Perl_dump_indent(aTHX_ level, file, " REFCOUNTED\n");
997 if (mg->mg_flags & MGf_GSKIP)
998 Perl_dump_indent(aTHX_ level, file, " GSKIP\n");
999 if (mg->mg_type == PERL_MAGIC_regex_global &&
1000 mg->mg_flags & MGf_MINMATCH)
1001 Perl_dump_indent(aTHX_ level, file, " MINMATCH\n");
1004 Perl_dump_indent(aTHX_ level, file, " MG_OBJ = 0x%"UVxf"\n", PTR2UV(mg->mg_obj));
1005 if (mg->mg_flags & MGf_REFCOUNTED)
1006 do_sv_dump(level+2, file, mg->mg_obj, nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
1009 Perl_dump_indent(aTHX_ level, file, " MG_LEN = %ld\n", (long)mg->mg_len);
1011 Perl_dump_indent(aTHX_ level, file, " MG_PTR = 0x%"UVxf, PTR2UV(mg->mg_ptr));
1012 if (mg->mg_len >= 0) {
1013 if (mg->mg_type != PERL_MAGIC_utf8) {
1014 SV *sv = newSVpvn("", 0);
1015 PerlIO_printf(file, " %s", pv_display(sv, mg->mg_ptr, mg->mg_len, 0, pvlim));
1019 else if (mg->mg_len == HEf_SVKEY) {
1020 PerlIO_puts(file, " => HEf_SVKEY\n");
1021 do_sv_dump(level+2, file, (SV*)((mg)->mg_ptr), nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
1025 PerlIO_puts(file, " ???? - please notify IZ");
1026 PerlIO_putc(file, '\n');
1028 if (mg->mg_type == PERL_MAGIC_utf8) {
1029 STRLEN *cache = (STRLEN *) mg->mg_ptr;
1032 for (i = 0; i < PERL_MAGIC_UTF8_CACHESIZE; i++)
1033 Perl_dump_indent(aTHX_ level, file,
1034 " %2"IVdf": %"UVuf" -> %"UVuf"\n",
1037 (UV)cache[i * 2 + 1]);
1044 Perl_magic_dump(pTHX_ MAGIC *mg)
1046 do_magic_dump(0, Perl_debug_log, mg, 0, 0, 0, 0);
1050 Perl_do_hv_dump(pTHX_ I32 level, PerlIO *file, char *name, HV *sv)
1052 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
1053 if (sv && HvNAME(sv))
1054 PerlIO_printf(file, "\t\"%s\"\n", HvNAME(sv));
1056 PerlIO_putc(file, '\n');
1060 Perl_do_gv_dump(pTHX_ I32 level, PerlIO *file, char *name, GV *sv)
1062 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
1063 if (sv && GvNAME(sv))
1064 PerlIO_printf(file, "\t\"%s\"\n", GvNAME(sv));
1066 PerlIO_putc(file, '\n');
1070 Perl_do_gvgv_dump(pTHX_ I32 level, PerlIO *file, char *name, GV *sv)
1072 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
1073 if (sv && GvNAME(sv)) {
1074 PerlIO_printf(file, "\t\"");
1075 if (GvSTASH(sv) && HvNAME(GvSTASH(sv)))
1076 PerlIO_printf(file, "%s\" :: \"", HvNAME(GvSTASH(sv)));
1077 PerlIO_printf(file, "%s\"\n", GvNAME(sv));
1080 PerlIO_putc(file, '\n');
1084 Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
1092 Perl_dump_indent(aTHX_ level, file, "SV = 0\n");
1096 flags = SvFLAGS(sv);
1099 d = Perl_newSVpvf(aTHX_
1100 "(0x%"UVxf") at 0x%"UVxf"\n%*s REFCNT = %"IVdf"\n%*s FLAGS = (",
1101 PTR2UV(SvANY(sv)), PTR2UV(sv),
1102 (int)(PL_dumpindent*level), "", (IV)SvREFCNT(sv),
1103 (int)(PL_dumpindent*level), "");
1105 if (flags & SVs_PADSTALE) sv_catpv(d, "PADSTALE,");
1106 if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,");
1107 if (flags & SVs_PADMY) sv_catpv(d, "PADMY,");
1108 if (flags & SVs_TEMP) sv_catpv(d, "TEMP,");
1109 if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,");
1110 if (flags & SVs_GMG) sv_catpv(d, "GMG,");
1111 if (flags & SVs_SMG) sv_catpv(d, "SMG,");
1112 if (flags & SVs_RMG) sv_catpv(d, "RMG,");
1114 if (flags & SVf_IOK) sv_catpv(d, "IOK,");
1115 if (flags & SVf_NOK) sv_catpv(d, "NOK,");
1116 if (flags & SVf_POK) sv_catpv(d, "POK,");
1117 if (flags & SVf_ROK) {
1118 sv_catpv(d, "ROK,");
1119 if (SvWEAKREF(sv)) sv_catpv(d, "WEAKREF,");
1121 if (flags & SVf_OOK) sv_catpv(d, "OOK,");
1122 if (flags & SVf_FAKE) sv_catpv(d, "FAKE,");
1123 if (flags & SVf_READONLY) sv_catpv(d, "READONLY,");
1125 if (flags & SVf_AMAGIC && type != SVt_PVHV)
1126 sv_catpv(d, "OVERLOAD,");
1127 if (flags & SVp_IOK) sv_catpv(d, "pIOK,");
1128 if (flags & SVp_NOK) sv_catpv(d, "pNOK,");
1129 if (flags & SVp_POK) sv_catpv(d, "pPOK,");
1130 if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,");
1135 if (CvANON(sv)) sv_catpv(d, "ANON,");
1136 if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
1137 if (CvCLONE(sv)) sv_catpv(d, "CLONE,");
1138 if (CvCLONED(sv)) sv_catpv(d, "CLONED,");
1139 if (CvCONST(sv)) sv_catpv(d, "CONST,");
1140 if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
1141 if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,");
1142 if (CvLVALUE(sv)) sv_catpv(d, "LVALUE,");
1143 if (CvMETHOD(sv)) sv_catpv(d, "METHOD,");
1144 if (CvLOCKED(sv)) sv_catpv(d, "LOCKED,");
1145 if (CvWEAKOUTSIDE(sv)) sv_catpv(d, "WEAKOUTSIDE,");
1146 if (CvASSERTION(sv)) sv_catpv(d, "ASSERTION,");
1149 if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,");
1150 if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,");
1151 if (HvHASKFLAGS(sv)) sv_catpv(d, "HASKFLAGS,");
1152 if (HvREHASH(sv)) sv_catpv(d, "REHASH,");
1154 case SVt_PVGV: case SVt_PVLV:
1155 if (GvINTRO(sv)) sv_catpv(d, "INTRO,");
1156 if (GvMULTI(sv)) sv_catpv(d, "MULTI,");
1157 if (GvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
1158 if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,");
1159 if (GvIN_PAD(sv)) sv_catpv(d, "IN_PAD,");
1160 if (flags & SVpad_OUR) sv_catpv(d, "OUR,");
1161 if (GvIMPORTED(sv)) {
1162 sv_catpv(d, "IMPORT");
1163 if (GvIMPORTED(sv) == GVf_IMPORTED)
1164 sv_catpv(d, "ALL,");
1167 if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV");
1168 if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV");
1169 if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV");
1170 if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV");
1176 if (SvEVALED(sv)) sv_catpv(d, "EVALED,");
1177 if (SvIsUV(sv)) sv_catpv(d, "IsUV,");
1180 if (SvTAIL(sv)) sv_catpv(d, "TAIL,");
1181 if (SvVALID(sv)) sv_catpv(d, "VALID,");
1184 if (flags & SVpad_TYPED)
1185 sv_catpv(d, "TYPED,");
1188 if ((SvPOK(sv) || SvPOKp(sv)) && SvUTF8(sv))
1189 sv_catpv(d, "UTF8");
1191 if (*(SvEND(d) - 1) == ',')
1192 SvPVX(d)[--SvCUR(d)] = '\0';
1196 Perl_dump_indent(aTHX_ level, file, "SV = ");
1199 PerlIO_printf(file, "NULL%s\n", s);
1203 PerlIO_printf(file, "IV%s\n", s);
1206 PerlIO_printf(file, "NV%s\n", s);
1209 PerlIO_printf(file, "RV%s\n", s);
1212 PerlIO_printf(file, "PV%s\n", s);
1215 PerlIO_printf(file, "PVIV%s\n", s);
1218 PerlIO_printf(file, "PVNV%s\n", s);
1221 PerlIO_printf(file, "PVBM%s\n", s);
1224 PerlIO_printf(file, "PVMG%s\n", s);
1227 PerlIO_printf(file, "PVLV%s\n", s);
1230 PerlIO_printf(file, "PVAV%s\n", s);
1233 PerlIO_printf(file, "PVHV%s\n", s);
1236 PerlIO_printf(file, "PVCV%s\n", s);
1239 PerlIO_printf(file, "PVGV%s\n", s);
1242 PerlIO_printf(file, "PVFM%s\n", s);
1245 PerlIO_printf(file, "PVIO%s\n", s);
1248 PerlIO_printf(file, "UNKNOWN(0x%"UVxf") %s\n", (UV)type, s);
1252 if (type >= SVt_PVIV || type == SVt_IV) {
1254 #ifdef PERL_COPY_ON_WRITE
1258 Perl_dump_indent(aTHX_ level, file, " UV = %"UVuf, (UV)SvUVX(sv));
1260 Perl_dump_indent(aTHX_ level, file, " IV = %"IVdf, (IV)SvIVX(sv));
1262 PerlIO_printf(file, " (OFFSET)");
1263 #ifdef PERL_COPY_ON_WRITE
1264 if (SvIsCOW_shared_hash(sv))
1265 PerlIO_printf(file, " (HASH)");
1266 else if (SvIsCOW_normal(sv))
1267 PerlIO_printf(file, " (COW from 0x%"UVxf")", (UV)SvUVX(sv));
1269 PerlIO_putc(file, '\n');
1271 if (type >= SVt_PVNV || type == SVt_NV) {
1272 STORE_NUMERIC_LOCAL_SET_STANDARD();
1273 /* %Vg doesn't work? --jhi */
1274 #ifdef USE_LONG_DOUBLE
1275 Perl_dump_indent(aTHX_ level, file, " NV = %.*" PERL_PRIgldbl "\n", LDBL_DIG, SvNVX(sv));
1277 Perl_dump_indent(aTHX_ level, file, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
1279 RESTORE_NUMERIC_LOCAL();
1282 Perl_dump_indent(aTHX_ level, file, " RV = 0x%"UVxf"\n", PTR2UV(SvRV(sv)));
1284 do_sv_dump(level+1, file, SvRV(sv), nest+1, maxnest, dumpops, pvlim);
1286 if (type < SVt_PV) {
1290 if (type <= SVt_PVLV && type != SVt_PVGV) {
1292 Perl_dump_indent(aTHX_ level, file," PV = 0x%"UVxf" ", PTR2UV(SvPVX(sv)));
1294 PerlIO_printf(file, "( %s . ) ", pv_display(d, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, pvlim));
1295 PerlIO_printf(file, "%s", pv_display(d, SvPVX(sv), SvCUR(sv), SvLEN(sv), pvlim));
1296 if (SvUTF8(sv)) /* the 8? \x{....} */
1297 PerlIO_printf(file, " [UTF8 \"%s\"]", sv_uni_display(d, sv, 8 * sv_len_utf8(sv), UNI_DISPLAY_QQ));
1298 PerlIO_printf(file, "\n");
1299 Perl_dump_indent(aTHX_ level, file, " CUR = %"IVdf"\n", (IV)SvCUR(sv));
1300 Perl_dump_indent(aTHX_ level, file, " LEN = %"IVdf"\n", (IV)SvLEN(sv));
1303 Perl_dump_indent(aTHX_ level, file, " PV = 0\n");
1305 if (type >= SVt_PVMG) {
1307 do_magic_dump(level, file, SvMAGIC(sv), nest, maxnest, dumpops, pvlim);
1309 do_hv_dump(level, file, " STASH", SvSTASH(sv));
1313 Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(AvARRAY(sv)));
1314 if (AvARRAY(sv) != AvALLOC(sv)) {
1315 PerlIO_printf(file, " (offset=%"IVdf")\n", (IV)(AvARRAY(sv) - AvALLOC(sv)));
1316 Perl_dump_indent(aTHX_ level, file, " ALLOC = 0x%"UVxf"\n", PTR2UV(AvALLOC(sv)));
1319 PerlIO_putc(file, '\n');
1320 Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)AvFILLp(sv));
1321 Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)AvMAX(sv));
1322 Perl_dump_indent(aTHX_ level, file, " ARYLEN = 0x%"UVxf"\n", PTR2UV(AvARYLEN(sv)));
1323 flags = AvFLAGS(sv);
1325 if (flags & AVf_REAL) sv_catpv(d, ",REAL");
1326 if (flags & AVf_REIFY) sv_catpv(d, ",REIFY");
1327 if (flags & AVf_REUSED) sv_catpv(d, ",REUSED");
1328 Perl_dump_indent(aTHX_ level, file, " FLAGS = (%s)\n", SvCUR(d) ? SvPVX(d) + 1 : "");
1329 if (nest < maxnest && av_len((AV*)sv) >= 0) {
1331 for (count = 0; count <= av_len((AV*)sv) && count < maxnest; count++) {
1332 SV** elt = av_fetch((AV*)sv,count,0);
1334 Perl_dump_indent(aTHX_ level + 1, file, "Elt No. %"IVdf"\n", (IV)count);
1336 do_sv_dump(level+1, file, *elt, nest+1, maxnest, dumpops, pvlim);
1341 Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(HvARRAY(sv)));
1342 if (HvARRAY(sv) && HvKEYS(sv)) {
1343 /* Show distribution of HEs in the ARRAY */
1345 #define FREQ_MAX (sizeof freq / sizeof freq[0] - 1)
1348 U32 pow2 = 2, keys = HvKEYS(sv);
1349 NV theoret, sum = 0;
1351 PerlIO_printf(file, " (");
1352 Zero(freq, FREQ_MAX + 1, int);
1353 for (i = 0; (STRLEN)i <= HvMAX(sv); i++) {
1354 HE* h; int count = 0;
1355 for (h = HvARRAY(sv)[i]; h; h = HeNEXT(h))
1357 if (count > FREQ_MAX)
1363 for (i = 0; i <= max; i++) {
1365 PerlIO_printf(file, "%d%s:%d", i,
1366 (i == FREQ_MAX) ? "+" : "",
1369 PerlIO_printf(file, ", ");
1372 PerlIO_putc(file, ')');
1373 /* The "quality" of a hash is defined as the total number of
1374 comparisons needed to access every element once, relative
1375 to the expected number needed for a random hash.
1377 The total number of comparisons is equal to the sum of
1378 the squares of the number of entries in each bucket.
1379 For a random hash of n keys into k buckets, the expected
1384 for (i = max; i > 0; i--) { /* Precision: count down. */
1385 sum += freq[i] * i * i;
1387 while ((keys = keys >> 1))
1389 theoret = HvKEYS(sv);
1390 theoret += theoret * (theoret-1)/pow2;
1391 PerlIO_putc(file, '\n');
1392 Perl_dump_indent(aTHX_ level, file, " hash quality = %.1"NVff"%%", theoret/sum*100);
1394 PerlIO_putc(file, '\n');
1395 Perl_dump_indent(aTHX_ level, file, " KEYS = %"IVdf"\n", (IV)HvKEYS(sv));
1396 Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)HvFILL(sv));
1397 Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)HvMAX(sv));
1398 Perl_dump_indent(aTHX_ level, file, " RITER = %"IVdf"\n", (IV)HvRITER(sv));
1399 Perl_dump_indent(aTHX_ level, file, " EITER = 0x%"UVxf"\n", PTR2UV(HvEITER(sv)));
1401 Perl_dump_indent(aTHX_ level, file, " PMROOT = 0x%"UVxf"\n", PTR2UV(HvPMROOT(sv)));
1403 Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", HvNAME(sv));
1404 if (nest < maxnest && !HvEITER(sv)) { /* Try to preserve iterator */
1407 int count = maxnest - nest;
1410 while ((he = hv_iternext_flags(hv, HV_ITERNEXT_WANTPLACEHOLDERS))
1415 U32 hash = HeHASH(he);
1417 keysv = hv_iterkeysv(he);
1418 keypv = SvPV(keysv, len);
1419 elt = hv_iterval(hv, he);
1420 Perl_dump_indent(aTHX_ level+1, file, "Elt %s ", pv_display(d, keypv, len, 0, pvlim));
1422 PerlIO_printf(file, "[UTF8 \"%s\"] ", sv_uni_display(d, keysv, 8 * sv_len_utf8(keysv), UNI_DISPLAY_QQ));
1424 PerlIO_printf(file, "[REHASH] ");
1425 PerlIO_printf(file, "HASH = 0x%"UVxf"\n", (UV)hash);
1426 do_sv_dump(level+1, file, elt, nest+1, maxnest, dumpops, pvlim);
1428 hv_iterinit(hv); /* Return to status quo */
1433 Perl_dump_indent(aTHX_ level, file, " PROTOTYPE = \"%s\"\n", SvPV_nolen(sv));
1436 do_hv_dump(level, file, " COMP_STASH", CvSTASH(sv));
1438 Perl_dump_indent(aTHX_ level, file, " START = 0x%"UVxf" ===> %"IVdf"\n", PTR2UV(CvSTART(sv)), (IV)sequence_num(aTHX_ CvSTART(sv)));
1439 Perl_dump_indent(aTHX_ level, file, " ROOT = 0x%"UVxf"\n", PTR2UV(CvROOT(sv)));
1440 if (CvROOT(sv) && dumpops)
1441 do_op_dump(level+1, file, CvROOT(sv));
1442 Perl_dump_indent(aTHX_ level, file, " XSUB = 0x%"UVxf"\n", PTR2UV(CvXSUB(sv)));
1443 Perl_dump_indent(aTHX_ level, file, " XSUBANY = %"IVdf"\n", (IV)CvXSUBANY(sv).any_i32);
1444 do_gvgv_dump(level, file, " GVGV::GV", CvGV(sv));
1445 Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", CvFILE(sv));
1446 Perl_dump_indent(aTHX_ level, file, " DEPTH = %"IVdf"\n", (IV)CvDEPTH(sv));
1447 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)CvFLAGS(sv));
1448 Perl_dump_indent(aTHX_ level, file, " OUTSIDE_SEQ = %"UVuf"\n", (UV)CvOUTSIDE_SEQ(sv));
1449 if (type == SVt_PVFM)
1450 Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)FmLINES(sv));
1451 Perl_dump_indent(aTHX_ level, file, " PADLIST = 0x%"UVxf"\n", PTR2UV(CvPADLIST(sv)));
1452 if (nest < maxnest) {
1453 do_dump_pad(level+1, file, CvPADLIST(sv), 0);
1456 CV *outside = CvOUTSIDE(sv);
1457 Perl_dump_indent(aTHX_ level, file, " OUTSIDE = 0x%"UVxf" (%s)\n",
1460 : CvANON(outside) ? "ANON"
1461 : (outside == PL_main_cv) ? "MAIN"
1462 : CvUNIQUE(outside) ? "UNIQUE"
1463 : CvGV(outside) ? GvNAME(CvGV(outside)) : "UNDEFINED"));
1465 if (nest < maxnest && (CvCLONE(sv) || CvCLONED(sv)))
1466 do_sv_dump(level+1, file, (SV*)CvOUTSIDE(sv), nest+1, maxnest, dumpops, pvlim);
1468 case SVt_PVGV: case SVt_PVLV:
1469 if (type == SVt_PVLV) {
1470 Perl_dump_indent(aTHX_ level, file, " TYPE = %c\n", LvTYPE(sv));
1471 Perl_dump_indent(aTHX_ level, file, " TARGOFF = %"IVdf"\n", (IV)LvTARGOFF(sv));
1472 Perl_dump_indent(aTHX_ level, file, " TARGLEN = %"IVdf"\n", (IV)LvTARGLEN(sv));
1473 Perl_dump_indent(aTHX_ level, file, " TARG = 0x%"UVxf"\n", PTR2UV(LvTARG(sv)));
1474 if (LvTYPE(sv) != 't' && LvTYPE(sv) != 'T')
1475 do_sv_dump(level+1, file, LvTARG(sv), nest+1, maxnest,
1478 Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", GvNAME(sv));
1479 Perl_dump_indent(aTHX_ level, file, " NAMELEN = %"IVdf"\n", (IV)GvNAMELEN(sv));
1480 do_hv_dump (level, file, " GvSTASH", GvSTASH(sv));
1481 Perl_dump_indent(aTHX_ level, file, " GP = 0x%"UVxf"\n", PTR2UV(GvGP(sv)));
1484 Perl_dump_indent(aTHX_ level, file, " SV = 0x%"UVxf"\n", PTR2UV(GvSV(sv)));
1485 Perl_dump_indent(aTHX_ level, file, " REFCNT = %"IVdf"\n", (IV)GvREFCNT(sv));
1486 Perl_dump_indent(aTHX_ level, file, " IO = 0x%"UVxf"\n", PTR2UV(GvIOp(sv)));
1487 Perl_dump_indent(aTHX_ level, file, " FORM = 0x%"UVxf" \n", PTR2UV(GvFORM(sv)));
1488 Perl_dump_indent(aTHX_ level, file, " AV = 0x%"UVxf"\n", PTR2UV(GvAV(sv)));
1489 Perl_dump_indent(aTHX_ level, file, " HV = 0x%"UVxf"\n", PTR2UV(GvHV(sv)));
1490 Perl_dump_indent(aTHX_ level, file, " CV = 0x%"UVxf"\n", PTR2UV(GvCV(sv)));
1491 Perl_dump_indent(aTHX_ level, file, " CVGEN = 0x%"UVxf"\n", (UV)GvCVGEN(sv));
1492 Perl_dump_indent(aTHX_ level, file, " GPFLAGS = 0x%"UVxf"\n", (UV)GvGPFLAGS(sv));
1493 Perl_dump_indent(aTHX_ level, file, " LINE = %"IVdf"\n", (IV)GvLINE(sv));
1494 Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", GvFILE(sv));
1495 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)GvFLAGS(sv));
1496 do_gv_dump (level, file, " EGV", GvEGV(sv));
1499 Perl_dump_indent(aTHX_ level, file, " IFP = 0x%"UVxf"\n", PTR2UV(IoIFP(sv)));
1500 Perl_dump_indent(aTHX_ level, file, " OFP = 0x%"UVxf"\n", PTR2UV(IoOFP(sv)));
1501 Perl_dump_indent(aTHX_ level, file, " DIRP = 0x%"UVxf"\n", PTR2UV(IoDIRP(sv)));
1502 Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)IoLINES(sv));
1503 Perl_dump_indent(aTHX_ level, file, " PAGE = %"IVdf"\n", (IV)IoPAGE(sv));
1504 Perl_dump_indent(aTHX_ level, file, " PAGE_LEN = %"IVdf"\n", (IV)IoPAGE_LEN(sv));
1505 Perl_dump_indent(aTHX_ level, file, " LINES_LEFT = %"IVdf"\n", (IV)IoLINES_LEFT(sv));
1507 Perl_dump_indent(aTHX_ level, file, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
1508 do_gv_dump (level, file, " TOP_GV", IoTOP_GV(sv));
1510 Perl_dump_indent(aTHX_ level, file, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
1511 do_gv_dump (level, file, " FMT_GV", IoFMT_GV(sv));
1512 if (IoBOTTOM_NAME(sv))
1513 Perl_dump_indent(aTHX_ level, file, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
1514 do_gv_dump (level, file, " BOTTOM_GV", IoBOTTOM_GV(sv));
1515 Perl_dump_indent(aTHX_ level, file, " SUBPROCESS = %"IVdf"\n", (IV)IoSUBPROCESS(sv));
1516 if (isPRINT(IoTYPE(sv)))
1517 Perl_dump_indent(aTHX_ level, file, " TYPE = '%c'\n", IoTYPE(sv));
1519 Perl_dump_indent(aTHX_ level, file, " TYPE = '\\%o'\n", IoTYPE(sv));
1520 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)IoFLAGS(sv));
1527 Perl_sv_dump(pTHX_ SV *sv)
1529 do_sv_dump(0, Perl_debug_log, sv, 0, 0, 0, 0);
1533 Perl_runops_debug(pTHX)
1536 if (ckWARN_d(WARN_DEBUGGING))
1537 Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), "NULL OP IN RUN");
1544 if (PL_watchaddr != 0 && *PL_watchaddr != PL_watchok)
1545 PerlIO_printf(Perl_debug_log,
1546 "WARNING: %"UVxf" changed from %"UVxf" to %"UVxf"\n",
1547 PTR2UV(PL_watchaddr), PTR2UV(PL_watchok),
1548 PTR2UV(*PL_watchaddr));
1549 if (DEBUG_s_TEST_) {
1550 if (DEBUG_v_TEST_) {
1551 PerlIO_printf(Perl_debug_log, "\n");
1559 if (DEBUG_t_TEST_) debop(PL_op);
1560 if (DEBUG_P_TEST_) debprof(PL_op);
1562 } while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX)));
1569 Perl_debop(pTHX_ OP *o)
1571 AV *padlist, *comppad;
1575 if (CopSTASH_eq(PL_curcop, PL_debstash) && !DEBUG_J_TEST_)
1578 Perl_deb(aTHX_ "%s", OP_NAME(o));
1579 switch (o->op_type) {
1581 PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOPo_sv));
1587 gv_fullname3(sv, cGVOPo_gv, Nullch);
1588 PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen(sv));
1592 PerlIO_printf(Perl_debug_log, "(NULL)");
1597 /* print the lexical's name */
1598 cv = deb_curcv(cxstack_ix);
1600 padlist = CvPADLIST(cv);
1601 comppad = (AV*)(*av_fetch(padlist, 0, FALSE));
1602 sv = *av_fetch(comppad, o->op_targ, FALSE);
1606 PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen(sv));
1608 PerlIO_printf(Perl_debug_log, "[%"UVuf"]", (UV)o->op_targ);
1613 PerlIO_printf(Perl_debug_log, "\n");
1618 S_deb_curcv(pTHX_ I32 ix)
1620 PERL_CONTEXT *cx = &cxstack[ix];
1621 if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT)
1622 return cx->blk_sub.cv;
1623 else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx))
1625 else if (ix == 0 && PL_curstackinfo->si_type == PERLSI_MAIN)
1630 return deb_curcv(ix - 1);
1634 Perl_watch(pTHX_ char **addr)
1636 PL_watchaddr = addr;
1638 PerlIO_printf(Perl_debug_log, "WATCHING, %"UVxf" is currently %"UVxf"\n",
1639 PTR2UV(PL_watchaddr), PTR2UV(PL_watchok));
1643 S_debprof(pTHX_ OP *o)
1645 if (CopSTASH_eq(PL_curcop, PL_debstash) && !DEBUG_J_TEST_)
1647 if (!PL_profiledata)
1648 Newz(000, PL_profiledata, MAXO, U32);
1649 ++PL_profiledata[o->op_type];
1653 Perl_debprofdump(pTHX)
1656 if (!PL_profiledata)
1658 for (i = 0; i < MAXO; i++) {
1659 if (PL_profiledata[i])
1660 PerlIO_printf(Perl_debug_log,
1661 "%5lu %s\n", (unsigned long)PL_profiledata[i],