3 * Copyright (c) 1991-1997, 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.'"
19 #define DBL_DIG 15 /* A guess that works lots of places */
23 dump_indent(I32 level, PerlIO *file, const char* pat, ...)
29 PerlIO_printf(file, "%*s", level*PL_dumpindent, "");
30 PerlIO_vprintf(file, pat, args);
38 PerlIO_setlinebuf(Perl_debug_log);
40 op_dump(PL_main_root);
41 dump_packsubs(PL_defstash);
45 dump_packsubs(HV *stash)
53 for (i = 0; i <= (I32) HvMAX(stash); i++) {
54 for (entry = HvARRAY(stash)[i]; entry; entry = HeNEXT(entry)) {
55 GV *gv = (GV*)HeVAL(entry);
57 if (SvTYPE(gv) != SVt_PVGV || !GvGP(gv))
63 if (HeKEY(entry)[HeKLEN(entry)-1] == ':' &&
64 (hv = GvHV(gv)) && HvNAME(hv) && hv != PL_defstash)
65 dump_packsubs(hv); /* nested package */
73 SV *sv = sv_newmortal();
75 gv_fullname3(sv, gv, Nullch);
76 dump_indent(0, Perl_debug_log, "\nSUB %s = ", SvPVX(sv));
78 dump_indent(0, Perl_debug_log, "(xsub 0x%x %d)\n",
79 (long)CvXSUB(GvCV(gv)),
80 CvXSUBANY(GvCV(gv)).any_i32);
81 else if (CvROOT(GvCV(gv)))
82 op_dump(CvROOT(GvCV(gv)));
84 dump_indent(0, Perl_debug_log, "<undef>\n");
90 SV *sv = sv_newmortal();
92 gv_fullname3(sv, gv, Nullch);
93 dump_indent(0, Perl_debug_log, "\nFORMAT %s = ", SvPVX(sv));
94 if (CvROOT(GvFORM(gv)))
95 op_dump(CvROOT(GvFORM(gv)));
97 dump_indent(0, Perl_debug_log, "<undef>\n");
103 op_dump(PL_eval_root);
107 pv_display(SV *sv, char *pv, STRLEN cur, STRLEN len, STRLEN pvlim)
110 int nul_terminated = len > cur && pv[cur] == '\0';
112 sv_setpvn(sv, "\"", 1);
113 for (; cur--; pv++) {
114 if (pvlim && SvCUR(sv) >= pvlim) {
120 case '\t': sv_catpvn(sv, "\\t", 2); break;
121 case '\n': sv_catpvn(sv, "\\n", 2); break;
122 case '\r': sv_catpvn(sv, "\\r", 2); break;
123 case '\f': sv_catpvn(sv, "\\f", 2); break;
124 case '"': sv_catpvn(sv, "\\\"", 2); break;
125 case '\\': sv_catpvn(sv, "\\\\", 2); break;
126 default: sv_catpvn(sv, pv, 1); break;
130 if (cur && isDIGIT(*(pv+1)))
131 sv_catpvf(sv, "\\%03o", *pv);
133 sv_catpvf(sv, "\\%o", *pv);
136 sv_catpvn(sv, "\"", 1);
138 sv_catpvn(sv, "...", 3);
140 sv_catpvn(sv, "\\0", 2);
148 SV *t = sv_newmortal();
158 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
162 else if (sv == &PL_sv_undef || sv == &PL_sv_no || sv == &PL_sv_yes) {
163 if (sv == &PL_sv_undef) {
164 sv_catpv(t, "SV_UNDEF");
165 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
166 SVs_GMG|SVs_SMG|SVs_RMG)) &&
170 else if (sv == &PL_sv_no) {
171 sv_catpv(t, "SV_NO");
172 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
173 SVs_GMG|SVs_SMG|SVs_RMG)) &&
174 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
181 sv_catpv(t, "SV_YES");
182 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
183 SVs_GMG|SVs_SMG|SVs_RMG)) &&
184 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
187 SvPVX(sv) && *SvPVX(sv) == '1' &&
193 else if (SvREFCNT(sv) == 0) {
199 if (SvCUR(t) + unref > 10) {
200 SvCUR(t) = unref + 3;
208 switch (SvTYPE(sv)) {
210 sv_catpv(t, "FREED");
214 sv_catpv(t, "UNDEF");
248 sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv)));
268 sv_catpv(t, "(null)");
270 SV *tmp = newSVpv("", 0);
273 sv_catpvf(t, "[%s]", pv_display(tmp, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, 127));
274 sv_catpvf(t, "%s)", pv_display(tmp, SvPVX(sv), SvCUR(sv), SvLEN(sv), 127));
278 else if (SvNOKp(sv)) {
279 SET_NUMERIC_STANDARD();
280 sv_catpvf(t, "(%g)",SvNVX(sv));
283 sv_catpvf(t, "(%ld)",(long)SvIVX(sv));
296 do_pmop_dump(I32 level, PerlIO *file, PMOP *pm)
301 dump_indent(level, file, "{}\n");
304 dump_indent(level, file, "{\n");
306 if (pm->op_pmflags & PMf_ONCE)
311 dump_indent(level, file, "PMf_PRE %c%s%c%s\n",
312 ch, pm->op_pmregexp->precomp, ch,
313 (pm->op_private & OPpRUNTIME) ? " (RUNTIME)" : "");
315 dump_indent(level, file, "PMf_PRE (RUNTIME)\n");
316 if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) {
317 dump_indent(level, file, "PMf_REPL = ");
318 op_dump(pm->op_pmreplroot);
320 if (pm->op_pmflags || (pm->op_pmregexp && pm->op_pmregexp->check_substr)) {
321 SV *tmpsv = newSVpv("", 0);
322 if (pm->op_pmdynflags & PMdf_USED)
323 sv_catpv(tmpsv, ",USED");
324 if (pm->op_pmdynflags & PMdf_TAINTED)
325 sv_catpv(tmpsv, ",TAINTED");
326 if (pm->op_pmflags & PMf_ONCE)
327 sv_catpv(tmpsv, ",ONCE");
328 if (pm->op_pmregexp && pm->op_pmregexp->check_substr
329 && !(pm->op_pmregexp->reganch & ROPT_NOSCAN))
330 sv_catpv(tmpsv, ",SCANFIRST");
331 if (pm->op_pmregexp && pm->op_pmregexp->check_substr
332 && pm->op_pmregexp->reganch & ROPT_CHECK_ALL)
333 sv_catpv(tmpsv, ",ALL");
334 if (pm->op_pmflags & PMf_SKIPWHITE)
335 sv_catpv(tmpsv, ",SKIPWHITE");
336 if (pm->op_pmflags & PMf_CONST)
337 sv_catpv(tmpsv, ",CONST");
338 if (pm->op_pmflags & PMf_KEEP)
339 sv_catpv(tmpsv, ",KEEP");
340 if (pm->op_pmflags & PMf_GLOBAL)
341 sv_catpv(tmpsv, ",GLOBAL");
342 if (pm->op_pmflags & PMf_CONTINUE)
343 sv_catpv(tmpsv, ",CONTINUE");
344 if (pm->op_pmflags & PMf_RETAINT)
345 sv_catpv(tmpsv, ",RETAINT");
346 if (pm->op_pmflags & PMf_EVAL)
347 sv_catpv(tmpsv, ",EVAL");
348 dump_indent(level, file, "PMFLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
352 dump_indent(level-1, file, "}\n");
358 do_pmop_dump(0, Perl_debug_log, pm);
362 do_op_dump(I32 level, PerlIO *file, OP *o)
366 dump_indent(level, file, "{\n");
369 PerlIO_printf(file, "%-4d", o->op_seq);
371 PerlIO_printf(file, " ");
372 PerlIO_printf(file, "%*sTYPE = %s ===> ", PL_dumpindent*level-4, "", PL_op_name[o->op_type]);
375 PerlIO_printf(file, "%d\n", o->op_next->op_seq);
377 PerlIO_printf(file, "(%d)\n", o->op_next->op_seq);
380 PerlIO_printf(file, "DONE\n");
382 if (o->op_type == OP_NULL)
383 dump_indent(level, file, " (was %s)\n", PL_op_name[o->op_targ]);
385 dump_indent(level, file, "TARG = %d\n", o->op_targ);
388 dump_indent(level, file, "ADDR = 0x%lx => 0x%lx\n",o, o->op_next);
391 SV *tmpsv = newSVpv("", 0);
392 switch (o->op_flags & OPf_WANT) {
394 sv_catpv(tmpsv, ",VOID");
396 case OPf_WANT_SCALAR:
397 sv_catpv(tmpsv, ",SCALAR");
400 sv_catpv(tmpsv, ",LIST");
403 sv_catpv(tmpsv, ",UNKNOWN");
406 if (o->op_flags & OPf_KIDS)
407 sv_catpv(tmpsv, ",KIDS");
408 if (o->op_flags & OPf_PARENS)
409 sv_catpv(tmpsv, ",PARENS");
410 if (o->op_flags & OPf_STACKED)
411 sv_catpv(tmpsv, ",STACKED");
412 if (o->op_flags & OPf_REF)
413 sv_catpv(tmpsv, ",REF");
414 if (o->op_flags & OPf_MOD)
415 sv_catpv(tmpsv, ",MOD");
416 if (o->op_flags & OPf_SPECIAL)
417 sv_catpv(tmpsv, ",SPECIAL");
418 dump_indent(level, file, "FLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
422 SV *tmpsv = newSVpv("", 0);
423 if (o->op_type == OP_AASSIGN) {
424 if (o->op_private & OPpASSIGN_COMMON)
425 sv_catpv(tmpsv, ",COMMON");
427 else if (o->op_type == OP_SASSIGN) {
428 if (o->op_private & OPpASSIGN_BACKWARDS)
429 sv_catpv(tmpsv, ",BACKWARDS");
431 else if (o->op_type == OP_TRANS) {
432 if (o->op_private & OPpTRANS_SQUASH)
433 sv_catpv(tmpsv, ",SQUASH");
434 if (o->op_private & OPpTRANS_DELETE)
435 sv_catpv(tmpsv, ",DELETE");
436 if (o->op_private & OPpTRANS_COMPLEMENT)
437 sv_catpv(tmpsv, ",COMPLEMENT");
439 else if (o->op_type == OP_REPEAT) {
440 if (o->op_private & OPpREPEAT_DOLIST)
441 sv_catpv(tmpsv, ",DOLIST");
443 else if (o->op_type == OP_ENTERSUB ||
444 o->op_type == OP_RV2SV ||
445 o->op_type == OP_RV2AV ||
446 o->op_type == OP_RV2HV ||
447 o->op_type == OP_RV2GV ||
448 o->op_type == OP_AELEM ||
449 o->op_type == OP_HELEM )
451 if (o->op_type == OP_ENTERSUB) {
452 if (o->op_private & OPpENTERSUB_AMPER)
453 sv_catpv(tmpsv, ",AMPER");
454 if (o->op_private & OPpENTERSUB_DB)
455 sv_catpv(tmpsv, ",DB");
457 switch (o->op_private & OPpDEREF) {
459 sv_catpv(tmpsv, ",SV");
462 sv_catpv(tmpsv, ",AV");
465 sv_catpv(tmpsv, ",HV");
468 if (o->op_type == OP_AELEM || o->op_type == OP_HELEM) {
469 if (o->op_private & OPpLVAL_DEFER)
470 sv_catpv(tmpsv, ",LVAL_DEFER");
473 if (o->op_private & HINT_STRICT_REFS)
474 sv_catpv(tmpsv, ",STRICT_REFS");
477 else if (o->op_type == OP_CONST) {
478 if (o->op_private & OPpCONST_BARE)
479 sv_catpv(tmpsv, ",BARE");
481 else if (o->op_type == OP_FLIP) {
482 if (o->op_private & OPpFLIP_LINENUM)
483 sv_catpv(tmpsv, ",LINENUM");
485 else if (o->op_type == OP_FLOP) {
486 if (o->op_private & OPpFLIP_LINENUM)
487 sv_catpv(tmpsv, ",LINENUM");
489 if (o->op_flags & OPf_MOD && o->op_private & OPpLVAL_INTRO)
490 sv_catpv(tmpsv, ",INTRO");
492 dump_indent(level, file, "PRIVATE = (%s)\n", SvPVX(tmpsv) + 1);
496 switch (o->op_type) {
500 SV *tmpsv = NEWSV(0,0);
503 gv_fullname3(tmpsv, cGVOPo->op_gv, Nullch);
504 dump_indent(level, file, "GV = %s\n", SvPV(tmpsv, n_a));
508 dump_indent(level, file, "GV = NULL\n");
511 dump_indent(level, file, "SV = %s\n", SvPEEK(cSVOPo->op_sv));
516 dump_indent(level, file, "LINE = %d\n",cCOPo->cop_line);
517 if (cCOPo->cop_label)
518 dump_indent(level, file, "LABEL = \"%s\"\n",cCOPo->cop_label);
521 dump_indent(level, file, "REDO ===> ");
522 if (cLOOPo->op_redoop)
523 PerlIO_printf(file, "%d\n", cLOOPo->op_redoop->op_seq);
525 PerlIO_printf(file, "DONE\n");
526 dump_indent(level, file, "NEXT ===> ");
527 if (cLOOPo->op_nextop)
528 PerlIO_printf(file, "%d\n", cLOOPo->op_nextop->op_seq);
530 PerlIO_printf(file, "DONE\n");
531 dump_indent(level, file, "LAST ===> ");
532 if (cLOOPo->op_lastop)
533 PerlIO_printf(file, "%d\n", cLOOPo->op_lastop->op_seq);
535 PerlIO_printf(file, "DONE\n");
538 dump_indent(level, file, "TRUE ===> ");
539 if (cCONDOPo->op_true)
540 PerlIO_printf(file, "%d\n", cCONDOPo->op_true->op_seq);
542 PerlIO_printf(file, "DONE\n");
543 dump_indent(level, file, "FALSE ===> ");
544 if (cCONDOPo->op_false)
545 PerlIO_printf(file, "%d\n", cCONDOPo->op_false->op_seq);
547 PerlIO_printf(file, "DONE\n");
553 dump_indent(level, file, "OTHER ===> ");
554 if (cLOGOPo->op_other)
555 PerlIO_printf(file, "%d\n", cLOGOPo->op_other->op_seq);
557 PerlIO_printf(file, "DONE\n");
563 do_pmop_dump(level, file, cPMOPo);
568 if (o->op_flags & OPf_KIDS) {
570 for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
571 do_op_dump(level, file, kid);
573 dump_indent(level-1, file, "}\n");
579 do_op_dump(0, Perl_debug_log, o);
588 PerlIO_printf(Perl_debug_log, "{}\n");
592 PerlIO_printf(Perl_debug_log, "{\n");
593 gv_fullname3(sv, gv, Nullch);
594 dump_indent(1, Perl_debug_log, "GV_NAME = %s", SvPVX(sv));
595 if (gv != GvEGV(gv)) {
596 gv_efullname3(sv, GvEGV(gv), Nullch);
597 dump_indent(1, Perl_debug_log, "-> %s", SvPVX(sv));
599 PerlIO_putc(Perl_debug_log, '\n');
600 dump_indent(0, Perl_debug_log, "}\n");
604 do_magic_dump(I32 level, PerlIO *file, MAGIC *mg, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
606 for (; mg; mg = mg->mg_moremagic) {
607 dump_indent(level, file, " MAGIC = 0x%lx\n", (long)mg);
608 if (mg->mg_virtual) {
609 MGVTBL *v = mg->mg_virtual;
611 if (v == &PL_vtbl_sv) s = "sv";
612 else if (v == &PL_vtbl_env) s = "env";
613 else if (v == &PL_vtbl_envelem) s = "envelem";
614 else if (v == &PL_vtbl_sig) s = "sig";
615 else if (v == &PL_vtbl_sigelem) s = "sigelem";
616 else if (v == &PL_vtbl_pack) s = "pack";
617 else if (v == &PL_vtbl_packelem) s = "packelem";
618 else if (v == &PL_vtbl_dbline) s = "dbline";
619 else if (v == &PL_vtbl_isa) s = "isa";
620 else if (v == &PL_vtbl_arylen) s = "arylen";
621 else if (v == &PL_vtbl_glob) s = "glob";
622 else if (v == &PL_vtbl_mglob) s = "mglob";
623 else if (v == &PL_vtbl_nkeys) s = "nkeys";
624 else if (v == &PL_vtbl_taint) s = "taint";
625 else if (v == &PL_vtbl_substr) s = "substr";
626 else if (v == &PL_vtbl_vec) s = "vec";
627 else if (v == &PL_vtbl_pos) s = "pos";
628 else if (v == &PL_vtbl_bm) s = "bm";
629 else if (v == &PL_vtbl_fm) s = "fm";
630 else if (v == &PL_vtbl_uvar) s = "uvar";
631 else if (v == &PL_vtbl_defelem) s = "defelem";
632 #ifdef USE_LOCALE_COLLATE
633 else if (v == &PL_vtbl_collxfrm) s = "collxfrm";
636 else if (v == &PL_vtbl_amagic) s = "amagic";
637 else if (v == &PL_vtbl_amagicelem) s = "amagicelem";
640 dump_indent(level, file, " MG_VIRTUAL = &PL_vtbl_%s\n", s);
642 dump_indent(level, file, " MG_VIRTUAL = 0x%lx\n", (long)v);
645 dump_indent(level, file, " MG_VIRTUAL = 0\n");
648 dump_indent(level, file, " MG_PRIVATE = %d\n", mg->mg_private);
650 if (isPRINT(mg->mg_type))
651 dump_indent(level, file, " MG_TYPE = '%c'\n", mg->mg_type);
653 dump_indent(level, file, " MG_TYPE = '\\%o'\n", mg->mg_type);
656 dump_indent(level, file, " MG_FLAGS = 0x%02X\n", mg->mg_flags);
657 if (mg->mg_flags & MGf_TAINTEDDIR)
658 dump_indent(level, file, " TAINTEDDIR\n");
659 if (mg->mg_flags & MGf_REFCOUNTED)
660 dump_indent(level, file, " REFCOUNTED\n");
661 if (mg->mg_flags & MGf_GSKIP)
662 dump_indent(level, file, " GSKIP\n");
663 if (mg->mg_flags & MGf_MINMATCH)
664 dump_indent(level, file, " MINMATCH\n");
667 dump_indent(level, file, " MG_OBJ = 0x%lx\n", (long)mg->mg_obj);
668 if (mg->mg_flags & MGf_REFCOUNTED)
669 do_sv_dump(level+2, file, mg->mg_obj, nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
672 dump_indent(level, file, " MG_LEN = %d\n", mg->mg_len);
674 dump_indent(level, file, " MG_PTR = 0x%lx", (long)mg->mg_ptr);
675 if (mg->mg_len >= 0) {
676 SV *sv = newSVpv("", 0);
677 PerlIO_printf(file, " %s", pv_display(sv, mg->mg_ptr, mg->mg_len, 0, pvlim));
680 else if (mg->mg_len == HEf_SVKEY) {
681 PerlIO_puts(file, " => HEf_SVKEY\n");
682 do_sv_dump(level+2, file, (SV*)((mg)->mg_ptr), nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
686 PerlIO_puts(file, " ???? - please notify IZ");
687 PerlIO_putc(file, '\n');
693 magic_dump(MAGIC *mg)
695 do_magic_dump(0, Perl_debug_log, mg, 0, 0, 0, 0);
699 do_hv_dump(I32 level, PerlIO *file, char *name, HV *sv)
701 dump_indent(level, file, "%s = 0x%lx", name, (long)sv);
702 if (sv && HvNAME(sv))
703 PerlIO_printf(file, "\t\"%s\"\n", HvNAME(sv));
705 PerlIO_putc(file, '\n');
709 do_gv_dump(I32 level, PerlIO *file, char *name, GV *sv)
711 dump_indent(level, file, "%s = 0x%lx", name, (long)sv);
712 if (sv && GvNAME(sv))
713 PerlIO_printf(file, "\t\"%s\"\n", GvNAME(sv));
715 PerlIO_putc(file, '\n');
719 do_gvgv_dump(I32 level, PerlIO *file, char *name, GV *sv)
721 dump_indent(level, file, "%s = 0x%lx", name, (long)sv);
722 if (sv && GvNAME(sv)) {
723 PerlIO_printf(file, "\t\"");
724 if (GvSTASH(sv) && HvNAME(GvSTASH(sv)))
725 PerlIO_printf(file, "%s\" :: \"", HvNAME(GvSTASH(sv)));
726 PerlIO_printf(file, "%s\"\n", GvNAME(sv));
729 PerlIO_putc(file, '\n');
733 do_sv_dump(I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
736 SV *d = sv_newmortal();
743 dump_indent(level, file, "SV = 0\n");
750 sv_setpvf(d, "(0x%lx) at 0x%lx\n%*s REFCNT = %ld\n%*s FLAGS = (",
751 (unsigned long)SvANY(sv), (unsigned long)sv,
752 PL_dumpindent*level, "", (long)SvREFCNT(sv),
753 PL_dumpindent*level, "");
755 if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,");
756 if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,");
757 if (flags & SVs_PADMY) sv_catpv(d, "PADMY,");
758 if (flags & SVs_TEMP) sv_catpv(d, "TEMP,");
759 if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,");
760 if (flags & SVs_GMG) sv_catpv(d, "GMG,");
761 if (flags & SVs_SMG) sv_catpv(d, "SMG,");
762 if (flags & SVs_RMG) sv_catpv(d, "RMG,");
764 if (flags & SVf_IOK) sv_catpv(d, "IOK,");
765 if (flags & SVf_NOK) sv_catpv(d, "NOK,");
766 if (flags & SVf_POK) sv_catpv(d, "POK,");
767 if (flags & SVf_ROK) sv_catpv(d, "ROK,");
768 if (flags & SVf_OOK) sv_catpv(d, "OOK,");
769 if (flags & SVf_FAKE) sv_catpv(d, "FAKE,");
770 if (flags & SVf_READONLY) sv_catpv(d, "READONLY,");
773 if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,");
774 #endif /* OVERLOAD */
775 if (flags & SVp_IOK) sv_catpv(d, "pIOK,");
776 if (flags & SVp_NOK) sv_catpv(d, "pNOK,");
777 if (flags & SVp_POK) sv_catpv(d, "pPOK,");
778 if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,");
783 if (CvANON(sv)) sv_catpv(d, "ANON,");
784 if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
785 if (CvCLONE(sv)) sv_catpv(d, "CLONE,");
786 if (CvCLONED(sv)) sv_catpv(d, "CLONED,");
787 if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
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");
811 if (SvTAIL(sv)) sv_catpv(d, "TAIL,");
812 if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,");
816 if (*(SvEND(d) - 1) == ',')
817 SvPVX(d)[--SvCUR(d)] = '\0';
821 dump_indent(level, file, "SV = ");
824 PerlIO_printf(file, "NULL%s\n", s);
827 PerlIO_printf(file, "IV%s\n", s);
830 PerlIO_printf(file, "NV%s\n", s);
833 PerlIO_printf(file, "RV%s\n", s);
836 PerlIO_printf(file, "PV%s\n", s);
839 PerlIO_printf(file, "PVIV%s\n", s);
842 PerlIO_printf(file, "PVNV%s\n", s);
845 PerlIO_printf(file, "PVBM%s\n", s);
848 PerlIO_printf(file, "PVMG%s\n", s);
851 PerlIO_printf(file, "PVLV%s\n", s);
854 PerlIO_printf(file, "PVAV%s\n", s);
857 PerlIO_printf(file, "PVHV%s\n", s);
860 PerlIO_printf(file, "PVCV%s\n", s);
863 PerlIO_printf(file, "PVGV%s\n", s);
866 PerlIO_printf(file, "PVFM%s\n", s);
869 PerlIO_printf(file, "PVIO%s\n", s);
872 PerlIO_printf(file, "UNKNOWN(0x%x) %s\n", type, s);
875 if (type >= SVt_PVIV || type == SVt_IV) {
876 dump_indent(level, file, " IV = %ld", (long)SvIVX(sv));
878 PerlIO_printf(file, " (OFFSET)");
879 PerlIO_putc(file, '\n');
881 if (type >= SVt_PVNV || type == SVt_NV) {
882 SET_NUMERIC_STANDARD();
883 dump_indent(level, file, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
886 dump_indent(level, file, " RV = 0x%lx\n", (long)SvRV(sv));
888 do_sv_dump(level+1, file, SvRV(sv), nest+1, maxnest, dumpops, pvlim);
893 if (type <= SVt_PVLV) {
895 dump_indent(level, file," PV = 0x%lx ", (long)SvPVX(sv));
897 PerlIO_printf(file, "( %s . ) ", pv_display(d, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, pvlim));
898 PerlIO_printf(file, "%s\n", pv_display(d, SvPVX(sv), SvCUR(sv), SvLEN(sv), pvlim));
899 dump_indent(level, file, " CUR = %ld\n", (long)SvCUR(sv));
900 dump_indent(level, file, " LEN = %ld\n", (long)SvLEN(sv));
903 dump_indent(level, file, " PV = 0\n");
905 if (type >= SVt_PVMG) {
907 do_magic_dump(level, file, SvMAGIC(sv), nest, maxnest, dumpops, pvlim);
909 do_hv_dump(level, file, " STASH", SvSTASH(sv));
913 dump_indent(level, file, " TYPE = %c\n", LvTYPE(sv));
914 dump_indent(level, file, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
915 dump_indent(level, file, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
916 dump_indent(level, file, " TARG = 0x%lx\n", (long)LvTARG(sv));
917 /* XXX level+1 ??? */
918 do_sv_dump(level, file, LvTARG(sv), nest+1, maxnest, dumpops, pvlim);
921 dump_indent(level, file, " ARRAY = 0x%lx", (long)AvARRAY(sv));
922 if (AvARRAY(sv) != AvALLOC(sv)) {
923 PerlIO_printf(file, " (offset=%d)\n", (AvARRAY(sv) - AvALLOC(sv)));
924 dump_indent(level, file, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
927 PerlIO_putc(file, '\n');
928 dump_indent(level, file, " FILL = %ld\n", (long)AvFILLp(sv));
929 dump_indent(level, file, " MAX = %ld\n", (long)AvMAX(sv));
930 dump_indent(level, file, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
933 if (flags & AVf_REAL) sv_catpv(d, ",REAL");
934 if (flags & AVf_REIFY) sv_catpv(d, ",REIFY");
935 if (flags & AVf_REUSED) sv_catpv(d, ",REUSED");
936 dump_indent(level, file, " FLAGS = (%s)\n", SvCUR(d) ? SvPVX(d) + 1 : "");
937 if (nest < maxnest && av_len((AV*)sv) >= 0) {
939 for (count = 0; count <= av_len((AV*)sv) && count < maxnest; count++) {
940 SV** elt = av_fetch((AV*)sv,count,0);
942 dump_indent(level + 1, file, "Elt No. %ld\n", (long)count);
944 do_sv_dump(level+1, file, *elt, nest+1, maxnest, dumpops, pvlim);
949 dump_indent(level, file, " ARRAY = 0x%lx",(long)HvARRAY(sv));
950 if (HvARRAY(sv) && HvKEYS(sv)) {
951 /* Show distribution of HEs in the ARRAY */
953 #define FREQ_MAX (sizeof freq / sizeof freq[0] - 1)
956 U32 pow2 = 2, keys = HvKEYS(sv);
957 double theoret, sum = 0;
959 PerlIO_printf(file, " (");
960 Zero(freq, FREQ_MAX + 1, int);
961 for (i = 0; i <= HvMAX(sv); i++) {
962 HE* h; int count = 0;
963 for (h = HvARRAY(sv)[i]; h; h = HeNEXT(h))
965 if (count > FREQ_MAX)
971 for (i = 0; i <= max; i++) {
973 PerlIO_printf(file, "%d%s:%d", i,
974 (i == FREQ_MAX) ? "+" : "",
977 PerlIO_printf(file, ", ");
980 PerlIO_putc(file, ')');
981 /* Now calculate quality wrt theoretical value */
982 for (i = max; i > 0; i--) { /* Precision: count down. */
983 sum += freq[i] * i * i;
985 while (keys = keys >> 1)
987 /* Approximate by Poisson distribution */
988 theoret = HvKEYS(sv);
989 theoret += theoret * theoret/pow2;
990 PerlIO_putc(file, '\n');
991 dump_indent(level, file, " hash quality = %.1f%%", theoret/sum*100);
993 PerlIO_putc(file, '\n');
994 dump_indent(level, file, " KEYS = %ld\n", (long)HvKEYS(sv));
995 dump_indent(level, file, " FILL = %ld\n", (long)HvFILL(sv));
996 dump_indent(level, file, " MAX = %ld\n", (long)HvMAX(sv));
997 dump_indent(level, file, " RITER = %ld\n", (long)HvRITER(sv));
998 dump_indent(level, file, " EITER = 0x%lx\n",(long) HvEITER(sv));
1000 dump_indent(level, file, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
1002 dump_indent(level, file, " NAME = \"%s\"\n", HvNAME(sv));
1003 if (nest < maxnest && !HvEITER(sv)) { /* Try to preserve iterator */
1006 int count = maxnest - nest;
1009 while ((he = hv_iternext(hv)) && count--) {
1013 U32 hash = HeHASH(he);
1015 key = hv_iterkey(he, &len);
1016 elt = hv_iterval(hv, he);
1017 dump_indent(level+1, file, "Elt %s HASH = 0x%lx\n", pv_display(d, key, len, 0, pvlim), hash);
1018 do_sv_dump(level+1, file, elt, nest+1, maxnest, dumpops, pvlim);
1020 hv_iterinit(hv); /* Return to status quo */
1025 dump_indent(level, file, " PROTOTYPE = \"%s\"\n", SvPV(sv,n_a));
1028 do_hv_dump(level, file, " COMP_STASH", CvSTASH(sv));
1030 dump_indent(level, file, " START = 0x%lx ===> %d\n", (long)CvSTART(sv), CvSTART(sv)->op_seq);
1031 dump_indent(level, file, " ROOT = 0x%lx\n", (long)CvROOT(sv));
1032 if (CvROOT(sv) && dumpops)
1033 do_op_dump(level+1, file, CvROOT(sv));
1034 dump_indent (level, file, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
1035 dump_indent (level, file, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
1036 do_gvgv_dump(level, file, " GVGV::GV", CvGV(sv));
1037 do_gv_dump (level, file, " FILEGV", CvFILEGV(sv));
1038 dump_indent (level, file, " DEPTH = %ld\n", (long)CvDEPTH(sv));
1040 dump_indent (level, file, " MUTEXP = 0x%lx\n", (long)CvMUTEXP(sv));
1041 dump_indent (level, file, " OWNER = 0x%lx\n", (long)CvOWNER(sv));
1042 #endif /* USE_THREADS */
1043 dump_indent (level, file, " FLAGS = 0x%lx\n", (unsigned long)CvFLAGS(sv));
1044 if (type == SVt_PVFM)
1045 dump_indent(level, file, " LINES = %ld\n", (long)FmLINES(sv));
1046 dump_indent(level, file, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
1047 if (nest < maxnest && CvPADLIST(sv)) {
1048 AV* padlist = CvPADLIST(sv);
1049 AV* pad_name = (AV*)*av_fetch(padlist, 0, FALSE);
1050 AV* pad = (AV*)*av_fetch(padlist, 1, FALSE);
1051 SV** pname = AvARRAY(pad_name);
1052 SV** ppad = AvARRAY(pad);
1055 for (ix = 1; ix <= AvFILL(pad_name); ix++) {
1056 if (SvPOK(pname[ix]))
1057 dump_indent(level, /* %5d below is enough whitespace. */
1059 "%5d. 0x%lx (%s\"%s\" %ld-%ld)\n",
1061 SvFAKE(pname[ix]) ? "FAKE " : "",
1063 (long)I_32(SvNVX(pname[ix])),
1064 (long)SvIVX(pname[ix]));
1068 CV *outside = CvOUTSIDE(sv);
1069 dump_indent(level, file, " OUTSIDE = 0x%lx (%s)\n",
1072 : CvANON(outside) ? "ANON"
1073 : (outside == PL_main_cv) ? "MAIN"
1074 : CvUNIQUE(outside) ? "UNIQUE"
1075 : CvGV(outside) ? GvNAME(CvGV(outside)) : "UNDEFINED"));
1077 if (nest < maxnest && (CvCLONE(sv) || CvCLONED(sv)))
1078 do_sv_dump(level+1, file, (SV*)CvOUTSIDE(sv), nest+1, maxnest, dumpops, pvlim);
1081 dump_indent(level, file, " NAME = \"%s\"\n", GvNAME(sv));
1082 dump_indent(level, file, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
1083 do_hv_dump (level, file, " GvSTASH", GvSTASH(sv));
1084 dump_indent(level, file, " GP = 0x%lx\n", (long)GvGP(sv));
1085 dump_indent(level, file, " SV = 0x%lx\n", (long)GvSV(sv));
1086 dump_indent(level, file, " REFCNT = %ld\n", (long)GvREFCNT(sv));
1087 dump_indent(level, file, " IO = 0x%lx\n", (long)GvIOp(sv));
1088 dump_indent(level, file, " FORM = 0x%lx\n", (long)GvFORM(sv));
1089 dump_indent(level, file, " AV = 0x%lx\n", (long)GvAV(sv));
1090 dump_indent(level, file, " HV = 0x%lx\n", (long)GvHV(sv));
1091 dump_indent(level, file, " CV = 0x%lx\n", (long)GvCV(sv));
1092 dump_indent(level, file, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
1093 dump_indent(level, file, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
1094 dump_indent(level, file, " LINE = %ld\n", (long)GvLINE(sv));
1095 dump_indent(level, file, " FLAGS = 0x%x\n", (int)GvFLAGS(sv));
1096 do_gv_dump (level, file, " FILEGV", GvFILEGV(sv));
1097 do_gv_dump (level, file, " EGV", GvEGV(sv));
1100 dump_indent(level, file, " IFP = 0x%lx\n", (long)IoIFP(sv));
1101 dump_indent(level, file, " OFP = 0x%lx\n", (long)IoOFP(sv));
1102 dump_indent(level, file, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
1103 dump_indent(level, file, " LINES = %ld\n", (long)IoLINES(sv));
1104 dump_indent(level, file, " PAGE = %ld\n", (long)IoPAGE(sv));
1105 dump_indent(level, file, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
1106 dump_indent(level, file, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
1107 dump_indent(level, file, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
1108 do_gv_dump (level, file, " TOP_GV", IoTOP_GV(sv));
1109 dump_indent(level, file, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
1110 do_gv_dump (level, file, " FMT_GV", IoFMT_GV(sv));
1111 dump_indent(level, file, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
1112 do_gv_dump (level, file, " BOTTOM_GV", IoBOTTOM_GV(sv));
1113 dump_indent(level, file, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
1114 dump_indent(level, file, " TYPE = %c\n", IoTYPE(sv));
1115 dump_indent(level, file, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));
1123 do_sv_dump(0, Perl_debug_log, sv, 0, 0, 0, 0);