3 * Copyright (c) 1991-1999, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * "'You have talked long in your sleep, Frodo,' said Gandalf gently, 'and
12 * it has not been hard for me to read your mind and memory.'"
16 #define PERL_IN_DUMP_C
21 #define DBL_DIG 15 /* A guess that works lots of places */
25 Perl_dump_indent(pTHX_ I32 level, PerlIO *file, const char* pat, ...)
31 PerlIO_printf(file, "%*s", level*PL_dumpindent, "");
32 PerlIO_vprintf(file, pat, args);
40 PerlIO_setlinebuf(Perl_debug_log);
42 op_dump(PL_main_root);
43 dump_packsubs(PL_defstash);
47 Perl_dump_packsubs(pTHX_ HV *stash)
55 for (i = 0; i <= (I32) HvMAX(stash); i++) {
56 for (entry = HvARRAY(stash)[i]; entry; entry = HeNEXT(entry)) {
57 GV *gv = (GV*)HeVAL(entry);
59 if (SvTYPE(gv) != SVt_PVGV || !GvGP(gv))
65 if (HeKEY(entry)[HeKLEN(entry)-1] == ':' &&
66 (hv = GvHV(gv)) && HvNAME(hv) && hv != PL_defstash)
67 dump_packsubs(hv); /* nested package */
73 Perl_dump_sub(pTHX_ GV *gv)
75 SV *sv = sv_newmortal();
77 gv_fullname3(sv, gv, Nullch);
78 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nSUB %s = ", SvPVX(sv));
80 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "(xsub 0x%x %d)\n",
81 (long)CvXSUB(GvCV(gv)),
82 CvXSUBANY(GvCV(gv)).any_i32);
83 else if (CvROOT(GvCV(gv)))
84 op_dump(CvROOT(GvCV(gv)));
86 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
90 Perl_dump_form(pTHX_ GV *gv)
92 SV *sv = sv_newmortal();
94 gv_fullname3(sv, gv, Nullch);
95 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nFORMAT %s = ", SvPVX(sv));
96 if (CvROOT(GvFORM(gv)))
97 op_dump(CvROOT(GvFORM(gv)));
99 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
105 op_dump(PL_eval_root);
109 Perl_pv_display(pTHX_ SV *sv, char *pv, STRLEN cur, STRLEN len, STRLEN pvlim)
112 int nul_terminated = len > cur && pv[cur] == '\0';
114 sv_setpvn(sv, "\"", 1);
115 for (; cur--; pv++) {
116 if (pvlim && SvCUR(sv) >= pvlim) {
122 case '\t': sv_catpvn(sv, "\\t", 2); break;
123 case '\n': sv_catpvn(sv, "\\n", 2); break;
124 case '\r': sv_catpvn(sv, "\\r", 2); break;
125 case '\f': sv_catpvn(sv, "\\f", 2); break;
126 case '"': sv_catpvn(sv, "\\\"", 2); break;
127 case '\\': sv_catpvn(sv, "\\\\", 2); break;
128 default: sv_catpvn(sv, pv, 1); break;
132 if (cur && isDIGIT(*(pv+1)))
133 Perl_sv_catpvf(aTHX_ sv, "\\%03o", *pv);
135 Perl_sv_catpvf(aTHX_ sv, "\\%o", *pv);
138 sv_catpvn(sv, "\"", 1);
140 sv_catpvn(sv, "...", 3);
142 sv_catpvn(sv, "\\0", 2);
148 Perl_sv_peek(pTHX_ SV *sv)
150 SV *t = sv_newmortal();
160 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
164 else if (sv == &PL_sv_undef || sv == &PL_sv_no || sv == &PL_sv_yes) {
165 if (sv == &PL_sv_undef) {
166 sv_catpv(t, "SV_UNDEF");
167 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
168 SVs_GMG|SVs_SMG|SVs_RMG)) &&
172 else if (sv == &PL_sv_no) {
173 sv_catpv(t, "SV_NO");
174 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
175 SVs_GMG|SVs_SMG|SVs_RMG)) &&
176 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
183 sv_catpv(t, "SV_YES");
184 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
185 SVs_GMG|SVs_SMG|SVs_RMG)) &&
186 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
189 SvPVX(sv) && *SvPVX(sv) == '1' &&
195 else if (SvREFCNT(sv) == 0) {
201 if (SvCUR(t) + unref > 10) {
202 SvCUR(t) = unref + 3;
210 switch (SvTYPE(sv)) {
212 sv_catpv(t, "FREED");
216 sv_catpv(t, "UNDEF");
250 Perl_sv_catpvf(aTHX_ t, "CV(%s)", GvNAME(CvGV(sv)));
270 sv_catpv(t, "(null)");
272 SV *tmp = newSVpvn("", 0);
275 Perl_sv_catpvf(aTHX_ t, "[%s]", pv_display(tmp, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, 127));
276 Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, SvPVX(sv), SvCUR(sv), SvLEN(sv), 127));
280 else if (SvNOKp(sv)) {
281 RESTORE_NUMERIC_STANDARD();
282 Perl_sv_catpvf(aTHX_ t, "(%g)",SvNVX(sv));
283 RESTORE_NUMERIC_LOCAL();
285 else if (SvIOKp(sv)) { /* XXXX: IV, UV? */
287 Perl_sv_catpvf(aTHX_ t, "(%lu)",(unsigned long)SvUVX(sv));
289 Perl_sv_catpvf(aTHX_ t, "(%ld)",(long)SvIVX(sv));
303 Perl_do_pmop_dump(pTHX_ I32 level, PerlIO *file, PMOP *pm)
308 Perl_dump_indent(aTHX_ level, file, "{}\n");
311 Perl_dump_indent(aTHX_ level, file, "{\n");
313 if (pm->op_pmflags & PMf_ONCE)
318 Perl_dump_indent(aTHX_ level, file, "PMf_PRE %c%s%c%s\n",
319 ch, pm->op_pmregexp->precomp, ch,
320 (pm->op_private & OPpRUNTIME) ? " (RUNTIME)" : "");
322 Perl_dump_indent(aTHX_ level, file, "PMf_PRE (RUNTIME)\n");
323 if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) {
324 Perl_dump_indent(aTHX_ level, file, "PMf_REPL = ");
325 op_dump(pm->op_pmreplroot);
327 if (pm->op_pmflags || (pm->op_pmregexp && pm->op_pmregexp->check_substr)) {
328 SV *tmpsv = newSVpvn("", 0);
329 if (pm->op_pmdynflags & PMdf_USED)
330 sv_catpv(tmpsv, ",USED");
331 if (pm->op_pmdynflags & PMdf_TAINTED)
332 sv_catpv(tmpsv, ",TAINTED");
333 if (pm->op_pmflags & PMf_ONCE)
334 sv_catpv(tmpsv, ",ONCE");
335 if (pm->op_pmregexp && pm->op_pmregexp->check_substr
336 && !(pm->op_pmregexp->reganch & ROPT_NOSCAN))
337 sv_catpv(tmpsv, ",SCANFIRST");
338 if (pm->op_pmregexp && pm->op_pmregexp->check_substr
339 && pm->op_pmregexp->reganch & ROPT_CHECK_ALL)
340 sv_catpv(tmpsv, ",ALL");
341 if (pm->op_pmflags & PMf_SKIPWHITE)
342 sv_catpv(tmpsv, ",SKIPWHITE");
343 if (pm->op_pmflags & PMf_CONST)
344 sv_catpv(tmpsv, ",CONST");
345 if (pm->op_pmflags & PMf_KEEP)
346 sv_catpv(tmpsv, ",KEEP");
347 if (pm->op_pmflags & PMf_GLOBAL)
348 sv_catpv(tmpsv, ",GLOBAL");
349 if (pm->op_pmflags & PMf_CONTINUE)
350 sv_catpv(tmpsv, ",CONTINUE");
351 if (pm->op_pmflags & PMf_RETAINT)
352 sv_catpv(tmpsv, ",RETAINT");
353 if (pm->op_pmflags & PMf_EVAL)
354 sv_catpv(tmpsv, ",EVAL");
355 Perl_dump_indent(aTHX_ level, file, "PMFLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
359 Perl_dump_indent(aTHX_ level-1, file, "}\n");
363 Perl_pmop_dump(pTHX_ PMOP *pm)
365 do_pmop_dump(0, Perl_debug_log, pm);
369 Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
373 Perl_dump_indent(aTHX_ level, file, "{\n");
376 PerlIO_printf(file, "%-4d", o->op_seq);
378 PerlIO_printf(file, " ");
379 PerlIO_printf(file, "%*sTYPE = %s ===> ", PL_dumpindent*level-4, "", PL_op_name[o->op_type]);
382 PerlIO_printf(file, "%d\n", o->op_next->op_seq);
384 PerlIO_printf(file, "(%d)\n", o->op_next->op_seq);
387 PerlIO_printf(file, "DONE\n");
389 if (o->op_type == OP_NULL)
390 Perl_dump_indent(aTHX_ level, file, " (was %s)\n", PL_op_name[o->op_targ]);
392 Perl_dump_indent(aTHX_ level, file, "TARG = %d\n", o->op_targ);
395 Perl_dump_indent(aTHX_ level, file, "ADDR = 0x%lx => 0x%lx\n",o, o->op_next);
398 SV *tmpsv = newSVpvn("", 0);
399 switch (o->op_flags & OPf_WANT) {
401 sv_catpv(tmpsv, ",VOID");
403 case OPf_WANT_SCALAR:
404 sv_catpv(tmpsv, ",SCALAR");
407 sv_catpv(tmpsv, ",LIST");
410 sv_catpv(tmpsv, ",UNKNOWN");
413 if (o->op_flags & OPf_KIDS)
414 sv_catpv(tmpsv, ",KIDS");
415 if (o->op_flags & OPf_PARENS)
416 sv_catpv(tmpsv, ",PARENS");
417 if (o->op_flags & OPf_STACKED)
418 sv_catpv(tmpsv, ",STACKED");
419 if (o->op_flags & OPf_REF)
420 sv_catpv(tmpsv, ",REF");
421 if (o->op_flags & OPf_MOD)
422 sv_catpv(tmpsv, ",MOD");
423 if (o->op_flags & OPf_SPECIAL)
424 sv_catpv(tmpsv, ",SPECIAL");
425 Perl_dump_indent(aTHX_ level, file, "FLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
429 SV *tmpsv = newSVpvn("", 0);
430 if (o->op_type == OP_AASSIGN) {
431 if (o->op_private & OPpASSIGN_COMMON)
432 sv_catpv(tmpsv, ",COMMON");
434 else if (o->op_type == OP_SASSIGN) {
435 if (o->op_private & OPpASSIGN_BACKWARDS)
436 sv_catpv(tmpsv, ",BACKWARDS");
438 else if (o->op_type == OP_TRANS) {
439 if (o->op_private & OPpTRANS_SQUASH)
440 sv_catpv(tmpsv, ",SQUASH");
441 if (o->op_private & OPpTRANS_DELETE)
442 sv_catpv(tmpsv, ",DELETE");
443 if (o->op_private & OPpTRANS_COMPLEMENT)
444 sv_catpv(tmpsv, ",COMPLEMENT");
446 else if (o->op_type == OP_REPEAT) {
447 if (o->op_private & OPpREPEAT_DOLIST)
448 sv_catpv(tmpsv, ",DOLIST");
450 else if (o->op_type == OP_ENTERSUB ||
451 o->op_type == OP_RV2SV ||
452 o->op_type == OP_RV2AV ||
453 o->op_type == OP_RV2HV ||
454 o->op_type == OP_RV2GV ||
455 o->op_type == OP_AELEM ||
456 o->op_type == OP_HELEM )
458 if (o->op_type == OP_ENTERSUB) {
459 if (o->op_private & OPpENTERSUB_AMPER)
460 sv_catpv(tmpsv, ",AMPER");
461 if (o->op_private & OPpENTERSUB_DB)
462 sv_catpv(tmpsv, ",DB");
464 switch (o->op_private & OPpDEREF) {
466 sv_catpv(tmpsv, ",SV");
469 sv_catpv(tmpsv, ",AV");
472 sv_catpv(tmpsv, ",HV");
475 if (o->op_type == OP_AELEM || o->op_type == OP_HELEM) {
476 if (o->op_private & OPpLVAL_DEFER)
477 sv_catpv(tmpsv, ",LVAL_DEFER");
480 if (o->op_private & HINT_STRICT_REFS)
481 sv_catpv(tmpsv, ",STRICT_REFS");
484 else if (o->op_type == OP_CONST) {
485 if (o->op_private & OPpCONST_BARE)
486 sv_catpv(tmpsv, ",BARE");
487 if (o->op_private & OPpCONST_STRICT)
488 sv_catpv(tmpsv, ",STRICT");
490 else if (o->op_type == OP_FLIP) {
491 if (o->op_private & OPpFLIP_LINENUM)
492 sv_catpv(tmpsv, ",LINENUM");
494 else if (o->op_type == OP_FLOP) {
495 if (o->op_private & OPpFLIP_LINENUM)
496 sv_catpv(tmpsv, ",LINENUM");
498 if (o->op_flags & OPf_MOD && o->op_private & OPpLVAL_INTRO)
499 sv_catpv(tmpsv, ",INTRO");
501 Perl_dump_indent(aTHX_ level, file, "PRIVATE = (%s)\n", SvPVX(tmpsv) + 1);
505 switch (o->op_type) {
509 SV *tmpsv = NEWSV(0,0);
512 gv_fullname3(tmpsv, cGVOPo->op_gv, Nullch);
513 Perl_dump_indent(aTHX_ level, file, "GV = %s\n", SvPV(tmpsv, n_a));
517 Perl_dump_indent(aTHX_ level, file, "GV = NULL\n");
520 Perl_dump_indent(aTHX_ level, file, "SV = %s\n", SvPEEK(cSVOPo->op_sv));
525 Perl_dump_indent(aTHX_ level, file, "LINE = %d\n",cCOPo->cop_line);
526 if (cCOPo->cop_label)
527 Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",cCOPo->cop_label);
530 Perl_dump_indent(aTHX_ level, file, "REDO ===> ");
531 if (cLOOPo->op_redoop)
532 PerlIO_printf(file, "%d\n", cLOOPo->op_redoop->op_seq);
534 PerlIO_printf(file, "DONE\n");
535 Perl_dump_indent(aTHX_ level, file, "NEXT ===> ");
536 if (cLOOPo->op_nextop)
537 PerlIO_printf(file, "%d\n", cLOOPo->op_nextop->op_seq);
539 PerlIO_printf(file, "DONE\n");
540 Perl_dump_indent(aTHX_ level, file, "LAST ===> ");
541 if (cLOOPo->op_lastop)
542 PerlIO_printf(file, "%d\n", cLOOPo->op_lastop->op_seq);
544 PerlIO_printf(file, "DONE\n");
552 Perl_dump_indent(aTHX_ level, file, "OTHER ===> ");
553 if (cLOGOPo->op_other)
554 PerlIO_printf(file, "%d\n", cLOGOPo->op_other->op_seq);
556 PerlIO_printf(file, "DONE\n");
562 do_pmop_dump(level, file, cPMOPo);
567 if (o->op_flags & OPf_KIDS) {
569 for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
570 do_op_dump(level, file, kid);
572 Perl_dump_indent(aTHX_ level-1, file, "}\n");
576 Perl_op_dump(pTHX_ OP *o)
578 do_op_dump(0, Perl_debug_log, o);
582 Perl_gv_dump(pTHX_ GV *gv)
587 PerlIO_printf(Perl_debug_log, "{}\n");
591 PerlIO_printf(Perl_debug_log, "{\n");
592 gv_fullname3(sv, gv, Nullch);
593 Perl_dump_indent(aTHX_ 1, Perl_debug_log, "GV_NAME = %s", SvPVX(sv));
594 if (gv != GvEGV(gv)) {
595 gv_efullname3(sv, GvEGV(gv), Nullch);
596 Perl_dump_indent(aTHX_ 1, Perl_debug_log, "-> %s", SvPVX(sv));
598 PerlIO_putc(Perl_debug_log, '\n');
599 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "}\n");
603 Perl_do_magic_dump(pTHX_ I32 level, PerlIO *file, MAGIC *mg, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
605 for (; mg; mg = mg->mg_moremagic) {
606 Perl_dump_indent(aTHX_ level, file, " MAGIC = 0x%lx\n", (long)mg);
607 if (mg->mg_virtual) {
608 MGVTBL *v = mg->mg_virtual;
610 if (v == &PL_vtbl_sv) s = "sv";
611 else if (v == &PL_vtbl_env) s = "env";
612 else if (v == &PL_vtbl_envelem) s = "envelem";
613 else if (v == &PL_vtbl_sig) s = "sig";
614 else if (v == &PL_vtbl_sigelem) s = "sigelem";
615 else if (v == &PL_vtbl_pack) s = "pack";
616 else if (v == &PL_vtbl_packelem) s = "packelem";
617 else if (v == &PL_vtbl_dbline) s = "dbline";
618 else if (v == &PL_vtbl_isa) s = "isa";
619 else if (v == &PL_vtbl_arylen) s = "arylen";
620 else if (v == &PL_vtbl_glob) s = "glob";
621 else if (v == &PL_vtbl_mglob) s = "mglob";
622 else if (v == &PL_vtbl_nkeys) s = "nkeys";
623 else if (v == &PL_vtbl_taint) s = "taint";
624 else if (v == &PL_vtbl_substr) s = "substr";
625 else if (v == &PL_vtbl_vec) s = "vec";
626 else if (v == &PL_vtbl_pos) s = "pos";
627 else if (v == &PL_vtbl_bm) s = "bm";
628 else if (v == &PL_vtbl_fm) s = "fm";
629 else if (v == &PL_vtbl_uvar) s = "uvar";
630 else if (v == &PL_vtbl_defelem) s = "defelem";
631 #ifdef USE_LOCALE_COLLATE
632 else if (v == &PL_vtbl_collxfrm) s = "collxfrm";
634 else if (v == &PL_vtbl_amagic) s = "amagic";
635 else if (v == &PL_vtbl_amagicelem) s = "amagicelem";
636 else if (v == &PL_vtbl_backref) s = "backref";
638 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = &PL_vtbl_%s\n", s);
640 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0x%lx\n", (long)v);
643 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0\n");
646 Perl_dump_indent(aTHX_ level, file, " MG_PRIVATE = %d\n", mg->mg_private);
648 if (isPRINT(mg->mg_type))
649 Perl_dump_indent(aTHX_ level, file, " MG_TYPE = '%c'\n", mg->mg_type);
651 Perl_dump_indent(aTHX_ level, file, " MG_TYPE = '\\%o'\n", mg->mg_type);
654 Perl_dump_indent(aTHX_ level, file, " MG_FLAGS = 0x%02X\n", mg->mg_flags);
655 if (mg->mg_flags & MGf_TAINTEDDIR)
656 Perl_dump_indent(aTHX_ level, file, " TAINTEDDIR\n");
657 if (mg->mg_flags & MGf_REFCOUNTED)
658 Perl_dump_indent(aTHX_ level, file, " REFCOUNTED\n");
659 if (mg->mg_flags & MGf_GSKIP)
660 Perl_dump_indent(aTHX_ level, file, " GSKIP\n");
661 if (mg->mg_flags & MGf_MINMATCH)
662 Perl_dump_indent(aTHX_ level, file, " MINMATCH\n");
665 Perl_dump_indent(aTHX_ level, file, " MG_OBJ = 0x%lx\n", (long)mg->mg_obj);
666 if (mg->mg_flags & MGf_REFCOUNTED)
667 do_sv_dump(level+2, file, mg->mg_obj, nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
670 Perl_dump_indent(aTHX_ level, file, " MG_LEN = %d\n", mg->mg_len);
672 Perl_dump_indent(aTHX_ level, file, " MG_PTR = 0x%lx", (long)mg->mg_ptr);
673 if (mg->mg_len >= 0) {
674 SV *sv = newSVpvn("", 0);
675 PerlIO_printf(file, " %s", pv_display(sv, mg->mg_ptr, mg->mg_len, 0, pvlim));
678 else if (mg->mg_len == HEf_SVKEY) {
679 PerlIO_puts(file, " => HEf_SVKEY\n");
680 do_sv_dump(level+2, file, (SV*)((mg)->mg_ptr), nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
684 PerlIO_puts(file, " ???? - please notify IZ");
685 PerlIO_putc(file, '\n');
691 Perl_magic_dump(pTHX_ MAGIC *mg)
693 do_magic_dump(0, Perl_debug_log, mg, 0, 0, 0, 0);
697 Perl_do_hv_dump(pTHX_ I32 level, PerlIO *file, char *name, HV *sv)
699 Perl_dump_indent(aTHX_ level, file, "%s = 0x%lx", name, (long)sv);
700 if (sv && HvNAME(sv))
701 PerlIO_printf(file, "\t\"%s\"\n", HvNAME(sv));
703 PerlIO_putc(file, '\n');
707 Perl_do_gv_dump(pTHX_ I32 level, PerlIO *file, char *name, GV *sv)
709 Perl_dump_indent(aTHX_ level, file, "%s = 0x%lx", name, (long)sv);
710 if (sv && GvNAME(sv))
711 PerlIO_printf(file, "\t\"%s\"\n", GvNAME(sv));
713 PerlIO_putc(file, '\n');
717 Perl_do_gvgv_dump(pTHX_ I32 level, PerlIO *file, char *name, GV *sv)
719 Perl_dump_indent(aTHX_ level, file, "%s = 0x%lx", name, (long)sv);
720 if (sv && GvNAME(sv)) {
721 PerlIO_printf(file, "\t\"");
722 if (GvSTASH(sv) && HvNAME(GvSTASH(sv)))
723 PerlIO_printf(file, "%s\" :: \"", HvNAME(GvSTASH(sv)));
724 PerlIO_printf(file, "%s\"\n", GvNAME(sv));
727 PerlIO_putc(file, '\n');
731 Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
734 SV *d = sv_newmortal();
741 Perl_dump_indent(aTHX_ level, file, "SV = 0\n");
748 Perl_sv_setpvf(aTHX_ d, "(0x%lx) at 0x%lx\n%*s REFCNT = %ld\n%*s FLAGS = (",
749 (unsigned long)SvANY(sv), (unsigned long)sv,
750 PL_dumpindent*level, "", (long)SvREFCNT(sv),
751 PL_dumpindent*level, "");
753 if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,");
754 if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,");
755 if (flags & SVs_PADMY) sv_catpv(d, "PADMY,");
756 if (flags & SVs_TEMP) sv_catpv(d, "TEMP,");
757 if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,");
758 if (flags & SVs_GMG) sv_catpv(d, "GMG,");
759 if (flags & SVs_SMG) sv_catpv(d, "SMG,");
760 if (flags & SVs_RMG) sv_catpv(d, "RMG,");
762 if (flags & SVf_IOK) sv_catpv(d, "IOK,");
763 if (flags & SVf_NOK) sv_catpv(d, "NOK,");
764 if (flags & SVf_POK) sv_catpv(d, "POK,");
765 if (flags & SVf_ROK) {
767 if (SvWEAKREF(sv)) sv_catpv(d, "WEAKREF,");
769 if (flags & SVf_OOK) sv_catpv(d, "OOK,");
770 if (flags & SVf_FAKE) sv_catpv(d, "FAKE,");
771 if (flags & SVf_READONLY) sv_catpv(d, "READONLY,");
773 if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,");
774 if (flags & SVp_IOK) sv_catpv(d, "pIOK,");
775 if (flags & SVp_NOK) sv_catpv(d, "pNOK,");
776 if (flags & SVp_POK) sv_catpv(d, "pPOK,");
777 if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,");
782 if (CvANON(sv)) sv_catpv(d, "ANON,");
783 if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
784 if (CvCLONE(sv)) sv_catpv(d, "CLONE,");
785 if (CvCLONED(sv)) sv_catpv(d, "CLONED,");
786 if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
787 if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,");
790 if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,");
791 if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,");
794 if (GvINTRO(sv)) sv_catpv(d, "INTRO,");
795 if (GvMULTI(sv)) sv_catpv(d, "MULTI,");
796 if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,");
797 if (GvIMPORTED(sv)) {
798 sv_catpv(d, "IMPORT");
799 if (GvIMPORTED(sv) == GVf_IMPORTED)
803 if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV");
804 if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV");
805 if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV");
806 if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV");
812 if (SvEVALED(sv)) sv_catpv(d, "EVALED,");
813 if (SvIsUV(sv)) sv_catpv(d, "IsUV,");
816 if (SvTAIL(sv)) sv_catpv(d, "TAIL,");
817 if (SvVALID(sv)) sv_catpv(d, "VALID,");
821 if (*(SvEND(d) - 1) == ',')
822 SvPVX(d)[--SvCUR(d)] = '\0';
826 Perl_dump_indent(aTHX_ level, file, "SV = ");
829 PerlIO_printf(file, "NULL%s\n", s);
832 PerlIO_printf(file, "IV%s\n", s);
835 PerlIO_printf(file, "NV%s\n", s);
838 PerlIO_printf(file, "RV%s\n", s);
841 PerlIO_printf(file, "PV%s\n", s);
844 PerlIO_printf(file, "PVIV%s\n", s);
847 PerlIO_printf(file, "PVNV%s\n", s);
850 PerlIO_printf(file, "PVBM%s\n", s);
853 PerlIO_printf(file, "PVMG%s\n", s);
856 PerlIO_printf(file, "PVLV%s\n", s);
859 PerlIO_printf(file, "PVAV%s\n", s);
862 PerlIO_printf(file, "PVHV%s\n", s);
865 PerlIO_printf(file, "PVCV%s\n", s);
868 PerlIO_printf(file, "PVGV%s\n", s);
871 PerlIO_printf(file, "PVFM%s\n", s);
874 PerlIO_printf(file, "PVIO%s\n", s);
877 PerlIO_printf(file, "UNKNOWN(0x%x) %s\n", type, s);
880 if (type >= SVt_PVIV || type == SVt_IV) {
882 Perl_dump_indent(aTHX_ level, file, " UV = %lu", (unsigned long)SvUVX(sv));
884 Perl_dump_indent(aTHX_ level, file, " IV = %ld", (long)SvIVX(sv));
886 PerlIO_printf(file, " (OFFSET)");
887 PerlIO_putc(file, '\n');
889 if (type >= SVt_PVNV || type == SVt_NV) {
890 RESTORE_NUMERIC_STANDARD();
891 Perl_dump_indent(aTHX_ level, file, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
892 RESTORE_NUMERIC_LOCAL();
895 Perl_dump_indent(aTHX_ level, file, " RV = 0x%lx\n", (long)SvRV(sv));
897 do_sv_dump(level+1, file, SvRV(sv), nest+1, maxnest, dumpops, pvlim);
902 if (type <= SVt_PVLV) {
904 Perl_dump_indent(aTHX_ level, file," PV = 0x%lx ", (long)SvPVX(sv));
906 PerlIO_printf(file, "( %s . ) ", pv_display(d, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, pvlim));
907 PerlIO_printf(file, "%s\n", pv_display(d, SvPVX(sv), SvCUR(sv), SvLEN(sv), pvlim));
908 Perl_dump_indent(aTHX_ level, file, " CUR = %ld\n", (long)SvCUR(sv));
909 Perl_dump_indent(aTHX_ level, file, " LEN = %ld\n", (long)SvLEN(sv));
912 Perl_dump_indent(aTHX_ level, file, " PV = 0\n");
914 if (type >= SVt_PVMG) {
916 do_magic_dump(level, file, SvMAGIC(sv), nest, maxnest, dumpops, pvlim);
918 do_hv_dump(level, file, " STASH", SvSTASH(sv));
922 Perl_dump_indent(aTHX_ level, file, " TYPE = %c\n", LvTYPE(sv));
923 Perl_dump_indent(aTHX_ level, file, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
924 Perl_dump_indent(aTHX_ level, file, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
925 Perl_dump_indent(aTHX_ level, file, " TARG = 0x%lx\n", (long)LvTARG(sv));
926 /* XXX level+1 ??? */
927 do_sv_dump(level, file, LvTARG(sv), nest+1, maxnest, dumpops, pvlim);
930 Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%lx", (long)AvARRAY(sv));
931 if (AvARRAY(sv) != AvALLOC(sv)) {
932 PerlIO_printf(file, " (offset=%d)\n", (AvARRAY(sv) - AvALLOC(sv)));
933 Perl_dump_indent(aTHX_ level, file, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
936 PerlIO_putc(file, '\n');
937 Perl_dump_indent(aTHX_ level, file, " FILL = %ld\n", (long)AvFILLp(sv));
938 Perl_dump_indent(aTHX_ level, file, " MAX = %ld\n", (long)AvMAX(sv));
939 Perl_dump_indent(aTHX_ level, file, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
942 if (flags & AVf_REAL) sv_catpv(d, ",REAL");
943 if (flags & AVf_REIFY) sv_catpv(d, ",REIFY");
944 if (flags & AVf_REUSED) sv_catpv(d, ",REUSED");
945 Perl_dump_indent(aTHX_ level, file, " FLAGS = (%s)\n", SvCUR(d) ? SvPVX(d) + 1 : "");
946 if (nest < maxnest && av_len((AV*)sv) >= 0) {
948 for (count = 0; count <= av_len((AV*)sv) && count < maxnest; count++) {
949 SV** elt = av_fetch((AV*)sv,count,0);
951 Perl_dump_indent(aTHX_ level + 1, file, "Elt No. %ld\n", (long)count);
953 do_sv_dump(level+1, file, *elt, nest+1, maxnest, dumpops, pvlim);
958 Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%lx",(long)HvARRAY(sv));
959 if (HvARRAY(sv) && HvKEYS(sv)) {
960 /* Show distribution of HEs in the ARRAY */
962 #define FREQ_MAX (sizeof freq / sizeof freq[0] - 1)
965 U32 pow2 = 2, keys = HvKEYS(sv);
968 PerlIO_printf(file, " (");
969 Zero(freq, FREQ_MAX + 1, int);
970 for (i = 0; i <= HvMAX(sv); i++) {
971 HE* h; int count = 0;
972 for (h = HvARRAY(sv)[i]; h; h = HeNEXT(h))
974 if (count > FREQ_MAX)
980 for (i = 0; i <= max; i++) {
982 PerlIO_printf(file, "%d%s:%d", i,
983 (i == FREQ_MAX) ? "+" : "",
986 PerlIO_printf(file, ", ");
989 PerlIO_putc(file, ')');
990 /* Now calculate quality wrt theoretical value */
991 for (i = max; i > 0; i--) { /* Precision: count down. */
992 sum += freq[i] * i * i;
994 while (keys = keys >> 1)
996 /* Approximate by Poisson distribution */
997 theoret = HvKEYS(sv);
998 theoret += theoret * theoret/pow2;
999 PerlIO_putc(file, '\n');
1000 Perl_dump_indent(aTHX_ level, file, " hash quality = %.1f%%", theoret/sum*100);
1002 PerlIO_putc(file, '\n');
1003 Perl_dump_indent(aTHX_ level, file, " KEYS = %ld\n", (long)HvKEYS(sv));
1004 Perl_dump_indent(aTHX_ level, file, " FILL = %ld\n", (long)HvFILL(sv));
1005 Perl_dump_indent(aTHX_ level, file, " MAX = %ld\n", (long)HvMAX(sv));
1006 Perl_dump_indent(aTHX_ level, file, " RITER = %ld\n", (long)HvRITER(sv));
1007 Perl_dump_indent(aTHX_ level, file, " EITER = 0x%lx\n",(long) HvEITER(sv));
1009 Perl_dump_indent(aTHX_ level, file, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
1011 Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", HvNAME(sv));
1012 if (nest < maxnest && !HvEITER(sv)) { /* Try to preserve iterator */
1015 int count = maxnest - nest;
1018 while ((he = hv_iternext(hv)) && count--) {
1022 U32 hash = HeHASH(he);
1024 key = hv_iterkey(he, &len);
1025 elt = hv_iterval(hv, he);
1026 Perl_dump_indent(aTHX_ level+1, file, "Elt %s HASH = 0x%lx\n", pv_display(d, key, len, 0, pvlim), hash);
1027 do_sv_dump(level+1, file, elt, nest+1, maxnest, dumpops, pvlim);
1029 hv_iterinit(hv); /* Return to status quo */
1034 Perl_dump_indent(aTHX_ level, file, " PROTOTYPE = \"%s\"\n", SvPV(sv,n_a));
1037 do_hv_dump(level, file, " COMP_STASH", CvSTASH(sv));
1039 Perl_dump_indent(aTHX_ level, file, " START = 0x%lx ===> %d\n", (long)CvSTART(sv), CvSTART(sv)->op_seq);
1040 Perl_dump_indent(aTHX_ level, file, " ROOT = 0x%lx\n", (long)CvROOT(sv));
1041 if (CvROOT(sv) && dumpops)
1042 do_op_dump(level+1, file, CvROOT(sv));
1043 Perl_dump_indent(aTHX_ level, file, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
1044 Perl_dump_indent(aTHX_ level, file, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
1045 do_gvgv_dump(level, file, " GVGV::GV", CvGV(sv));
1046 do_gv_dump(level, file, " FILEGV", CvFILEGV(sv));
1047 Perl_dump_indent(aTHX_ level, file, " DEPTH = %ld\n", (long)CvDEPTH(sv));
1049 Perl_dump_indent(aTHX_ level, file, " MUTEXP = 0x%lx\n", (long)CvMUTEXP(sv));
1050 Perl_dump_indent(aTHX_ level, file, " OWNER = 0x%lx\n", (long)CvOWNER(sv));
1051 #endif /* USE_THREADS */
1052 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%lx\n", (unsigned long)CvFLAGS(sv));
1053 if (type == SVt_PVFM)
1054 Perl_dump_indent(aTHX_ level, file, " LINES = %ld\n", (long)FmLINES(sv));
1055 Perl_dump_indent(aTHX_ level, file, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
1056 if (nest < maxnest && CvPADLIST(sv)) {
1057 AV* padlist = CvPADLIST(sv);
1058 AV* pad_name = (AV*)*av_fetch(padlist, 0, FALSE);
1059 AV* pad = (AV*)*av_fetch(padlist, 1, FALSE);
1060 SV** pname = AvARRAY(pad_name);
1061 SV** ppad = AvARRAY(pad);
1064 for (ix = 1; ix <= AvFILL(pad_name); ix++) {
1065 if (SvPOK(pname[ix]))
1066 Perl_dump_indent(aTHX_ level, /* %5d below is enough whitespace. */
1068 "%5d. 0x%lx (%s\"%s\" %ld-%ld)\n",
1070 SvFAKE(pname[ix]) ? "FAKE " : "",
1072 (long)I_32(SvNVX(pname[ix])),
1073 (long)SvIVX(pname[ix]));
1077 CV *outside = CvOUTSIDE(sv);
1078 Perl_dump_indent(aTHX_ level, file, " OUTSIDE = 0x%lx (%s)\n",
1081 : CvANON(outside) ? "ANON"
1082 : (outside == PL_main_cv) ? "MAIN"
1083 : CvUNIQUE(outside) ? "UNIQUE"
1084 : CvGV(outside) ? GvNAME(CvGV(outside)) : "UNDEFINED"));
1086 if (nest < maxnest && (CvCLONE(sv) || CvCLONED(sv)))
1087 do_sv_dump(level+1, file, (SV*)CvOUTSIDE(sv), nest+1, maxnest, dumpops, pvlim);
1090 Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", GvNAME(sv));
1091 Perl_dump_indent(aTHX_ level, file, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
1092 do_hv_dump (level, file, " GvSTASH", GvSTASH(sv));
1093 Perl_dump_indent(aTHX_ level, file, " GP = 0x%lx\n", (long)GvGP(sv));
1094 Perl_dump_indent(aTHX_ level, file, " SV = 0x%lx\n", (long)GvSV(sv));
1095 Perl_dump_indent(aTHX_ level, file, " REFCNT = %ld\n", (long)GvREFCNT(sv));
1096 Perl_dump_indent(aTHX_ level, file, " IO = 0x%lx\n", (long)GvIOp(sv));
1097 Perl_dump_indent(aTHX_ level, file, " FORM = 0x%lx\n", (long)GvFORM(sv));
1098 Perl_dump_indent(aTHX_ level, file, " AV = 0x%lx\n", (long)GvAV(sv));
1099 Perl_dump_indent(aTHX_ level, file, " HV = 0x%lx\n", (long)GvHV(sv));
1100 Perl_dump_indent(aTHX_ level, file, " CV = 0x%lx\n", (long)GvCV(sv));
1101 Perl_dump_indent(aTHX_ level, file, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
1102 Perl_dump_indent(aTHX_ level, file, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
1103 Perl_dump_indent(aTHX_ level, file, " LINE = %ld\n", (long)GvLINE(sv));
1104 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%x\n", (int)GvFLAGS(sv));
1105 do_gv_dump (level, file, " FILEGV", GvFILEGV(sv));
1106 do_gv_dump (level, file, " EGV", GvEGV(sv));
1109 Perl_dump_indent(aTHX_ level, file, " IFP = 0x%lx\n", (long)IoIFP(sv));
1110 Perl_dump_indent(aTHX_ level, file, " OFP = 0x%lx\n", (long)IoOFP(sv));
1111 Perl_dump_indent(aTHX_ level, file, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
1112 Perl_dump_indent(aTHX_ level, file, " LINES = %ld\n", (long)IoLINES(sv));
1113 Perl_dump_indent(aTHX_ level, file, " PAGE = %ld\n", (long)IoPAGE(sv));
1114 Perl_dump_indent(aTHX_ level, file, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
1115 Perl_dump_indent(aTHX_ level, file, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
1117 Perl_dump_indent(aTHX_ level, file, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
1118 do_gv_dump (level, file, " TOP_GV", IoTOP_GV(sv));
1120 Perl_dump_indent(aTHX_ level, file, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
1121 do_gv_dump (level, file, " FMT_GV", IoFMT_GV(sv));
1122 if (IoBOTTOM_NAME(sv))
1123 Perl_dump_indent(aTHX_ level, file, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
1124 do_gv_dump (level, file, " BOTTOM_GV", IoBOTTOM_GV(sv));
1125 Perl_dump_indent(aTHX_ level, file, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
1126 if (isPRINT(IoTYPE(sv)))
1127 Perl_dump_indent(aTHX_ level, file, " TYPE = '%c'\n", IoTYPE(sv));
1129 Perl_dump_indent(aTHX_ level, file, " TYPE = '\\%o'\n", IoTYPE(sv));
1130 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));
1136 Perl_sv_dump(pTHX_ SV *sv)
1138 do_sv_dump(0, Perl_debug_log, sv, 0, 0, 0, 0);