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Commit	Line	Data
	1	/* dump.c
	2	*
	3	* Copyright (c) 1991-2000, Larry Wall
	4	*
	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.
	7	*
	8	*/
	9
	10	/*
	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.'"
	13	*/
	14
	15	#include "EXTERN.h"
	16	#define PERL_IN_DUMP_C
	17	#include "perl.h"
	18	#include "regcomp.h"
	19
	20	void
	21	Perl_dump_indent(pTHX_ I32 level, PerlIO file, const char pat, ...)
	22	{
	23	va_list args;
	24	va_start(args, pat);
	25	dump_vindent(level, file, pat, &args);
	26	va_end(args);
	27	}
	28
	29	void
	30	Perl_dump_vindent(pTHX_ I32 level, PerlIO file, const char pat, va_list *args)
	31	{
	32	dTHR;
	33	PerlIO_printf(file, "%s", (int)(levelPL_dumpindent), "");
	34	PerlIO_vprintf(file, pat, *args);
	35	}
	36
	37	void
	38	Perl_dump_all(pTHX)
	39	{
	40	dTHR;
	41	PerlIO_setlinebuf(Perl_debug_log);
	42	if (PL_main_root)
	43	op_dump(PL_main_root);
	44	dump_packsubs(PL_defstash);
	45	}
	46
	47	void
	48	Perl_dump_packsubs(pTHX_ HV *stash)
	49	{
	50	dTHR;
	51	I32 i;
	52	HE *entry;
	53
	54	if (!HvARRAY(stash))
	55	return;
	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);
	59	HV *hv;
	60	if (SvTYPE(gv) != SVt_PVGV \|\| !GvGP(gv))
	61	continue;
	62	if (GvCVu(gv))
	63	dump_sub(gv);
	64	if (GvFORM(gv))
	65	dump_form(gv);
	66	if (HeKEY(entry)[HeKLEN(entry)-1] == ':' &&
	67	(hv = GvHV(gv)) && HvNAME(hv) && hv != PL_defstash)
	68	dump_packsubs(hv); /* nested package */
	69	}
	70	}
	71	}
	72
	73	void
	74	Perl_dump_sub(pTHX_ GV *gv)
	75	{
	76	SV *sv = sv_newmortal();
	77
	78	gv_fullname3(sv, gv, Nullch);
	79	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nSUB %s = ", SvPVX(sv));
	80	if (CvXSUB(GvCV(gv)))
	81	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "(xsub 0x%lx %d)\n",
	82	(long)CvXSUB(GvCV(gv)),
	83	(int)CvXSUBANY(GvCV(gv)).any_i32);
	84	else if (CvROOT(GvCV(gv)))
	85	op_dump(CvROOT(GvCV(gv)));
	86	else
	87	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
	88	}
	89
	90	void
	91	Perl_dump_form(pTHX_ GV *gv)
	92	{
	93	SV *sv = sv_newmortal();
	94
	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)));
	99	else
	100	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
	101	}
	102
	103	void
	104	Perl_dump_eval(pTHX)
	105	{
	106	op_dump(PL_eval_root);
	107	}
	108
	109	char *
	110	Perl_pv_display(pTHX_ SV sv, char pv, STRLEN cur, STRLEN len, STRLEN pvlim)
	111	{
	112	int truncated = 0;
	113	int nul_terminated = len > cur && pv[cur] == '\0';
	114
	115	sv_setpvn(sv, "\"", 1);
	116	for (; cur--; pv++) {
	117	if (pvlim && SvCUR(sv) >= pvlim) {
	118	truncated++;
	119	break;
	120	}
	121	if (isPRINT(*pv)) {
	122	switch (*pv) {
	123	case '\t': sv_catpvn(sv, "\\t", 2); break;
	124	case '\n': sv_catpvn(sv, "\\n", 2); break;
	125	case '\r': sv_catpvn(sv, "\\r", 2); break;
	126	case '\f': sv_catpvn(sv, "\\f", 2); break;
	127	case '"': sv_catpvn(sv, "\\\"", 2); break;
	128	case '\\': sv_catpvn(sv, "\\\\", 2); break;
	129	default: sv_catpvn(sv, pv, 1); break;
	130	}
	131	}
	132	else {
	133	if (cur && isDIGIT(*(pv+1)))
	134	Perl_sv_catpvf(aTHX_ sv, "\\%03o", (U8)*pv);
	135	else
	136	Perl_sv_catpvf(aTHX_ sv, "\\%o", (U8)*pv);
	137	}
	138	}
	139	sv_catpvn(sv, "\"", 1);
	140	if (truncated)
	141	sv_catpvn(sv, "...", 3);
	142	if (nul_terminated)
	143	sv_catpvn(sv, "\\0", 2);
	144
	145	return SvPVX(sv);
	146	}
	147
	148	char *
	149	Perl_sv_peek(pTHX_ SV *sv)
	150	{
	151	SV *t = sv_newmortal();
	152	STRLEN n_a;
	153	int unref = 0;
	154
	155	sv_setpvn(t, "", 0);
	156	retry:
	157	if (!sv) {
	158	sv_catpv(t, "VOID");
	159	goto finish;
	160	}
	161	else if (sv == (SV*)0x55555555 \|\| SvTYPE(sv) == 'U') {
	162	sv_catpv(t, "WILD");
	163	goto finish;
	164	}
	165	else if (sv == &PL_sv_undef \|\| sv == &PL_sv_no \|\| sv == &PL_sv_yes) {
	166	if (sv == &PL_sv_undef) {
	167	sv_catpv(t, "SV_UNDEF");
	168	if (!(SvFLAGS(sv) & (SVf_OK\|SVf_OOK\|SVs_OBJECT\|
	169	SVs_GMG\|SVs_SMG\|SVs_RMG)) &&
	170	SvREADONLY(sv))
	171	goto finish;
	172	}
	173	else if (sv == &PL_sv_no) {
	174	sv_catpv(t, "SV_NO");
	175	if (!(SvFLAGS(sv) & (SVf_ROK\|SVf_OOK\|SVs_OBJECT\|
	176	SVs_GMG\|SVs_SMG\|SVs_RMG)) &&
	177	!(~SvFLAGS(sv) & (SVf_POK\|SVf_NOK\|SVf_READONLY\|
	178	SVp_POK\|SVp_NOK)) &&
	179	SvCUR(sv) == 0 &&
	180	SvNVX(sv) == 0.0)
	181	goto finish;
	182	}
	183	else {
	184	sv_catpv(t, "SV_YES");
	185	if (!(SvFLAGS(sv) & (SVf_ROK\|SVf_OOK\|SVs_OBJECT\|
	186	SVs_GMG\|SVs_SMG\|SVs_RMG)) &&
	187	!(~SvFLAGS(sv) & (SVf_POK\|SVf_NOK\|SVf_READONLY\|
	188	SVp_POK\|SVp_NOK)) &&
	189	SvCUR(sv) == 1 &&
	190	SvPVX(sv) && *SvPVX(sv) == '1' &&
	191	SvNVX(sv) == 1.0)
	192	goto finish;
	193	}
	194	sv_catpv(t, ":");
	195	}
	196	else if (SvREFCNT(sv) == 0) {
	197	sv_catpv(t, "(");
	198	unref++;
	199	}
	200	if (SvROK(sv)) {
	201	sv_catpv(t, "\\");
	202	if (SvCUR(t) + unref > 10) {
	203	SvCUR(t) = unref + 3;
	204	*SvEND(t) = '\0';
	205	sv_catpv(t, "...");
	206	goto finish;
	207	}
	208	sv = (SV*)SvRV(sv);
	209	goto retry;
	210	}
	211	switch (SvTYPE(sv)) {
	212	default:
	213	sv_catpv(t, "FREED");
	214	goto finish;
	215
	216	case SVt_NULL:
	217	sv_catpv(t, "UNDEF");
	218	goto finish;
	219	case SVt_IV:
	220	sv_catpv(t, "IV");
	221	break;
	222	case SVt_NV:
	223	sv_catpv(t, "NV");
	224	break;
	225	case SVt_RV:
	226	sv_catpv(t, "RV");
	227	break;
	228	case SVt_PV:
	229	sv_catpv(t, "PV");
	230	break;
	231	case SVt_PVIV:
	232	sv_catpv(t, "PVIV");
	233	break;
	234	case SVt_PVNV:
	235	sv_catpv(t, "PVNV");
	236	break;
	237	case SVt_PVMG:
	238	sv_catpv(t, "PVMG");
	239	break;
	240	case SVt_PVLV:
	241	sv_catpv(t, "PVLV");
	242	break;
	243	case SVt_PVAV:
	244	sv_catpv(t, "AV");
	245	break;
	246	case SVt_PVHV:
	247	sv_catpv(t, "HV");
	248	break;
	249	case SVt_PVCV:
	250	if (CvGV(sv))
	251	Perl_sv_catpvf(aTHX_ t, "CV(%s)", GvNAME(CvGV(sv)));
	252	else
	253	sv_catpv(t, "CV()");
	254	goto finish;
	255	case SVt_PVGV:
	256	sv_catpv(t, "GV");
	257	break;
	258	case SVt_PVBM:
	259	sv_catpv(t, "BM");
	260	break;
	261	case SVt_PVFM:
	262	sv_catpv(t, "FM");
	263	break;
	264	case SVt_PVIO:
	265	sv_catpv(t, "IO");
	266	break;
	267	}
	268
	269	if (SvPOKp(sv)) {
	270	if (!SvPVX(sv))
	271	sv_catpv(t, "(null)");
	272	else {
	273	SV *tmp = newSVpvn("", 0);
	274	sv_catpv(t, "(");
	275	if (SvOOK(sv))
	276	Perl_sv_catpvf(aTHX_ t, "[%s]", pv_display(tmp, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, 127));
	277	Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, SvPVX(sv), SvCUR(sv), SvLEN(sv), 127));
	278	SvREFCNT_dec(tmp);
	279	}
	280	}
	281	else if (SvNOKp(sv)) {
	282	RESTORE_NUMERIC_STANDARD();
	283	Perl_sv_catpvf(aTHX_ t, "(%g)",SvNVX(sv));
	284	RESTORE_NUMERIC_LOCAL();
	285	}
	286	else if (SvIOKp(sv)) {
	287	if (SvIsUV(sv))
	288	Perl_sv_catpvf(aTHX_ t, "(%"UVuf")", (UV)SvUVX(sv));
	289	else
	290	Perl_sv_catpvf(aTHX_ t, "(%"IVdf")", (IV)SvIVX(sv));
	291	}
	292	else
	293	sv_catpv(t, "()");
	294
	295	finish:
	296	if (unref) {
	297	while (unref--)
	298	sv_catpv(t, ")");
	299	}
	300	return SvPV(t, n_a);
	301	}
	302
	303	void
	304	Perl_do_pmop_dump(pTHX_ I32 level, PerlIO file, PMOP pm)
	305	{
	306	char ch;
	307
	308	if (!pm) {
	309	Perl_dump_indent(aTHX_ level, file, "{}\n");
	310	return;
	311	}
	312	Perl_dump_indent(aTHX_ level, file, "{\n");
	313	level++;
	314	if (pm->op_pmflags & PMf_ONCE)
	315	ch = '?';
	316	else
	317	ch = '/';
	318	if (pm->op_pmregexp)
	319	Perl_dump_indent(aTHX_ level, file, "PMf_PRE %c%s%c%s\n",
	320	ch, pm->op_pmregexp->precomp, ch,
	321	(pm->op_private & OPpRUNTIME) ? " (RUNTIME)" : "");
	322	else
	323	Perl_dump_indent(aTHX_ level, file, "PMf_PRE (RUNTIME)\n");
	324	if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) {
	325	Perl_dump_indent(aTHX_ level, file, "PMf_REPL = ");
	326	op_dump(pm->op_pmreplroot);
	327	}
	328	if (pm->op_pmflags \|\| (pm->op_pmregexp && pm->op_pmregexp->check_substr)) {
	329	SV *tmpsv = newSVpvn("", 0);
	330	if (pm->op_pmdynflags & PMdf_USED)
	331	sv_catpv(tmpsv, ",USED");
	332	if (pm->op_pmdynflags & PMdf_TAINTED)
	333	sv_catpv(tmpsv, ",TAINTED");
	334	if (pm->op_pmflags & PMf_ONCE)
	335	sv_catpv(tmpsv, ",ONCE");
	336	if (pm->op_pmregexp && pm->op_pmregexp->check_substr
	337	&& !(pm->op_pmregexp->reganch & ROPT_NOSCAN))
	338	sv_catpv(tmpsv, ",SCANFIRST");
	339	if (pm->op_pmregexp && pm->op_pmregexp->check_substr
	340	&& pm->op_pmregexp->reganch & ROPT_CHECK_ALL)
	341	sv_catpv(tmpsv, ",ALL");
	342	if (pm->op_pmflags & PMf_SKIPWHITE)
	343	sv_catpv(tmpsv, ",SKIPWHITE");
	344	if (pm->op_pmflags & PMf_CONST)
	345	sv_catpv(tmpsv, ",CONST");
	346	if (pm->op_pmflags & PMf_KEEP)
	347	sv_catpv(tmpsv, ",KEEP");
	348	if (pm->op_pmflags & PMf_GLOBAL)
	349	sv_catpv(tmpsv, ",GLOBAL");
	350	if (pm->op_pmflags & PMf_CONTINUE)
	351	sv_catpv(tmpsv, ",CONTINUE");
	352	if (pm->op_pmflags & PMf_RETAINT)
	353	sv_catpv(tmpsv, ",RETAINT");
	354	if (pm->op_pmflags & PMf_EVAL)
	355	sv_catpv(tmpsv, ",EVAL");
	356	Perl_dump_indent(aTHX_ level, file, "PMFLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
	357	SvREFCNT_dec(tmpsv);
	358	}
	359
	360	Perl_dump_indent(aTHX_ level-1, file, "}\n");
	361	}
	362
	363	void
	364	Perl_pmop_dump(pTHX_ PMOP *pm)
	365	{
	366	do_pmop_dump(0, Perl_debug_log, pm);
	367	}
	368
	369	void
	370	Perl_do_op_dump(pTHX_ I32 level, PerlIO file, OP o)
	371	{
	372	dTHR;
	373	Perl_dump_indent(aTHX_ level, file, "{\n");
	374	level++;
	375	if (o->op_seq)
	376	PerlIO_printf(file, "%-4d", o->op_seq);
	377	else
	378	PerlIO_printf(file, " ");
	379	PerlIO_printf(file,
	380	"%*sTYPE = %s ===> ",
	381	(int)(PL_dumpindent*level-4), "", PL_op_name[o->op_type]);
	382	if (o->op_next) {
	383	if (o->op_seq)
	384	PerlIO_printf(file, "%d\n", o->op_next->op_seq);
	385	else
	386	PerlIO_printf(file, "(%d)\n", o->op_next->op_seq);
	387	}
	388	else
	389	PerlIO_printf(file, "DONE\n");
	390	if (o->op_targ) {
	391	if (o->op_type == OP_NULL)
	392	Perl_dump_indent(aTHX_ level, file, " (was %s)\n", PL_op_name[o->op_targ]);
	393	else
	394	Perl_dump_indent(aTHX_ level, file, "TARG = %ld\n", (long)o->op_targ);
	395	}
	396	#ifdef DUMPADDR
	397	Perl_dump_indent(aTHX_ level, file, "ADDR = 0x%"UVxf" => 0x%"UVxf"\n", (UV)o, (UV)o->op_next);
	398	#endif
	399	if (o->op_flags) {
	400	SV *tmpsv = newSVpvn("", 0);
	401	switch (o->op_flags & OPf_WANT) {
	402	case OPf_WANT_VOID:
	403	sv_catpv(tmpsv, ",VOID");
	404	break;
	405	case OPf_WANT_SCALAR:
	406	sv_catpv(tmpsv, ",SCALAR");
	407	break;
	408	case OPf_WANT_LIST:
	409	sv_catpv(tmpsv, ",LIST");
	410	break;
	411	default:
	412	sv_catpv(tmpsv, ",UNKNOWN");
	413	break;
	414	}
	415	if (o->op_flags & OPf_KIDS)
	416	sv_catpv(tmpsv, ",KIDS");
	417	if (o->op_flags & OPf_PARENS)
	418	sv_catpv(tmpsv, ",PARENS");
	419	if (o->op_flags & OPf_STACKED)
	420	sv_catpv(tmpsv, ",STACKED");
	421	if (o->op_flags & OPf_REF)
	422	sv_catpv(tmpsv, ",REF");
	423	if (o->op_flags & OPf_MOD)
	424	sv_catpv(tmpsv, ",MOD");
	425	if (o->op_flags & OPf_SPECIAL)
	426	sv_catpv(tmpsv, ",SPECIAL");
	427	Perl_dump_indent(aTHX_ level, file, "FLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
	428	SvREFCNT_dec(tmpsv);
	429	}
	430	if (o->op_private) {
	431	SV *tmpsv = newSVpvn("", 0);
	432	if (PL_opargs[o->op_type] & OA_TARGLEX) {
	433	if (o->op_private & OPpTARGET_MY)
	434	sv_catpv(tmpsv, ",TARGET_MY");
	435	}
	436	if (o->op_type == OP_AASSIGN) {
	437	if (o->op_private & OPpASSIGN_COMMON)
	438	sv_catpv(tmpsv, ",COMMON");
	439	if (o->op_private & OPpASSIGN_HASH)
	440	sv_catpv(tmpsv, ",HASH");
	441	}
	442	else if (o->op_type == OP_SASSIGN) {
	443	if (o->op_private & OPpASSIGN_BACKWARDS)
	444	sv_catpv(tmpsv, ",BACKWARDS");
	445	}
	446	else if (o->op_type == OP_TRANS) {
	447	if (o->op_private & OPpTRANS_SQUASH)
	448	sv_catpv(tmpsv, ",SQUASH");
	449	if (o->op_private & OPpTRANS_DELETE)
	450	sv_catpv(tmpsv, ",DELETE");
	451	if (o->op_private & OPpTRANS_COMPLEMENT)
	452	sv_catpv(tmpsv, ",COMPLEMENT");
	453	}
	454	else if (o->op_type == OP_REPEAT) {
	455	if (o->op_private & OPpREPEAT_DOLIST)
	456	sv_catpv(tmpsv, ",DOLIST");
	457	}
	458	else if (o->op_type == OP_ENTERSUB \|\|
	459	o->op_type == OP_RV2SV \|\|
	460	o->op_type == OP_RV2AV \|\|
	461	o->op_type == OP_RV2HV \|\|
	462	o->op_type == OP_RV2GV \|\|
	463	o->op_type == OP_AELEM \|\|
	464	o->op_type == OP_HELEM )
	465	{
	466	if (o->op_type == OP_ENTERSUB) {
	467	if (o->op_private & OPpENTERSUB_AMPER)
	468	sv_catpv(tmpsv, ",AMPER");
	469	if (o->op_private & OPpENTERSUB_DB)
	470	sv_catpv(tmpsv, ",DB");
	471	if (o->op_private & OPpENTERSUB_HASTARG)
	472	sv_catpv(tmpsv, ",HASTARG");
	473	}
	474	else
	475	switch (o->op_private & OPpDEREF) {
	476	case OPpDEREF_SV:
	477	sv_catpv(tmpsv, ",SV");
	478	break;
	479	case OPpDEREF_AV:
	480	sv_catpv(tmpsv, ",AV");
	481	break;
	482	case OPpDEREF_HV:
	483	sv_catpv(tmpsv, ",HV");
	484	break;
	485	}
	486	if (o->op_type == OP_AELEM \|\| o->op_type == OP_HELEM) {
	487	if (o->op_private & OPpLVAL_DEFER)
	488	sv_catpv(tmpsv, ",LVAL_DEFER");
	489	}
	490	else {
	491	if (o->op_private & HINT_STRICT_REFS)
	492	sv_catpv(tmpsv, ",STRICT_REFS");
	493	if (o->op_private & OPpOUR_INTRO)
	494	sv_catpv(tmpsv, ",OUR_INTRO");
	495	}
	496	}
	497	else if (o->op_type == OP_CONST) {
	498	if (o->op_private & OPpCONST_BARE)
	499	sv_catpv(tmpsv, ",BARE");
	500	if (o->op_private & OPpCONST_STRICT)
	501	sv_catpv(tmpsv, ",STRICT");
	502	}
	503	else if (o->op_type == OP_FLIP) {
	504	if (o->op_private & OPpFLIP_LINENUM)
	505	sv_catpv(tmpsv, ",LINENUM");
	506	}
	507	else if (o->op_type == OP_FLOP) {
	508	if (o->op_private & OPpFLIP_LINENUM)
	509	sv_catpv(tmpsv, ",LINENUM");
	510	} else if (o->op_type == OP_RV2CV) {
	511	if (o->op_private & OPpLVAL_INTRO)
	512	sv_catpv(tmpsv, ",INTRO");
	513	}
	514	if (o->op_flags & OPf_MOD && o->op_private & OPpLVAL_INTRO)
	515	sv_catpv(tmpsv, ",INTRO");
	516	if (SvCUR(tmpsv))
	517	Perl_dump_indent(aTHX_ level, file, "PRIVATE = (%s)\n", SvPVX(tmpsv) + 1);
	518	SvREFCNT_dec(tmpsv);
	519	}
	520
	521	switch (o->op_type) {
	522	case OP_AELEMFAST:
	523	case OP_GVSV:
	524	case OP_GV:
	525	#ifdef USE_ITHREADS
	526	Perl_dump_indent(aTHX_ level, file, "PADIX = %d\n", cPADOPo->op_padix);
	527	#else
	528	if (cSVOPo->op_sv) {
	529	SV *tmpsv = NEWSV(0,0);
	530	STRLEN n_a;
	531	ENTER;
	532	SAVEFREESV(tmpsv);
	533	gv_fullname3(tmpsv, (GV*)cSVOPo->op_sv, Nullch);
	534	Perl_dump_indent(aTHX_ level, file, "GV = %s\n", SvPV(tmpsv, n_a));
	535	LEAVE;
	536	}
	537	else
	538	Perl_dump_indent(aTHX_ level, file, "GV = NULL\n");
	539	#endif
	540	break;
	541	case OP_CONST:
	542	case OP_METHOD_NAMED:
	543	Perl_dump_indent(aTHX_ level, file, "SV = %s\n", SvPEEK(cSVOPo->op_sv));
	544	break;
	545	case OP_SETSTATE:
	546	case OP_NEXTSTATE:
	547	case OP_DBSTATE:
	548	if (CopLINE(cCOPo))
	549	Perl_dump_indent(aTHX_ level, file, "LINE = %d\n",CopLINE(cCOPo));
	550	if (CopSTASHPV(cCOPo))
	551	Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
	552	CopSTASHPV(cCOPo));
	553	if (cCOPo->cop_label)
	554	Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
	555	cCOPo->cop_label);
	556	break;
	557	case OP_ENTERLOOP:
	558	Perl_dump_indent(aTHX_ level, file, "REDO ===> ");
	559	if (cLOOPo->op_redoop)
	560	PerlIO_printf(file, "%d\n", cLOOPo->op_redoop->op_seq);
	561	else
	562	PerlIO_printf(file, "DONE\n");
	563	Perl_dump_indent(aTHX_ level, file, "NEXT ===> ");
	564	if (cLOOPo->op_nextop)
	565	PerlIO_printf(file, "%d\n", cLOOPo->op_nextop->op_seq);
	566	else
	567	PerlIO_printf(file, "DONE\n");
	568	Perl_dump_indent(aTHX_ level, file, "LAST ===> ");
	569	if (cLOOPo->op_lastop)
	570	PerlIO_printf(file, "%d\n", cLOOPo->op_lastop->op_seq);
	571	else
	572	PerlIO_printf(file, "DONE\n");
	573	break;
	574	case OP_COND_EXPR:
	575	case OP_RANGE:
	576	case OP_MAPWHILE:
	577	case OP_GREPWHILE:
	578	case OP_OR:
	579	case OP_AND:
	580	Perl_dump_indent(aTHX_ level, file, "OTHER ===> ");
	581	if (cLOGOPo->op_other)
	582	PerlIO_printf(file, "%d\n", cLOGOPo->op_other->op_seq);
	583	else
	584	PerlIO_printf(file, "DONE\n");
	585	break;
	586	case OP_PUSHRE:
	587	case OP_MATCH:
	588	case OP_QR:
	589	case OP_SUBST:
	590	do_pmop_dump(level, file, cPMOPo);
	591	break;
	592	case OP_LEAVE:
	593	case OP_LEAVEEVAL:
	594	case OP_LEAVESUB:
	595	case OP_LEAVESUBLV:
	596	case OP_LEAVEWRITE:
	597	case OP_SCOPE:
	598	if (o->op_private & OPpREFCOUNTED)
	599	Perl_dump_indent(aTHX_ level, file, "REFCNT = %"UVuf"\n", (UV)o->op_targ);
	600	break;
	601	default:
	602	break;
	603	}
	604	if (o->op_flags & OPf_KIDS) {
	605	OP *kid;
	606	for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
	607	do_op_dump(level, file, kid);
	608	}
	609	Perl_dump_indent(aTHX_ level-1, file, "}\n");
	610	}
	611
	612	void
	613	Perl_op_dump(pTHX_ OP *o)
	614	{
	615	do_op_dump(0, Perl_debug_log, o);
	616	}
	617
	618	void
	619	Perl_gv_dump(pTHX_ GV *gv)
	620	{
	621	SV *sv;
	622
	623	if (!gv) {
	624	PerlIO_printf(Perl_debug_log, "{}\n");
	625	return;
	626	}
	627	sv = sv_newmortal();
	628	PerlIO_printf(Perl_debug_log, "{\n");
	629	gv_fullname3(sv, gv, Nullch);
	630	Perl_dump_indent(aTHX_ 1, Perl_debug_log, "GV_NAME = %s", SvPVX(sv));
	631	if (gv != GvEGV(gv)) {
	632	gv_efullname3(sv, GvEGV(gv), Nullch);
	633	Perl_dump_indent(aTHX_ 1, Perl_debug_log, "-> %s", SvPVX(sv));
	634	}
	635	PerlIO_putc(Perl_debug_log, '\n');
	636	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "}\n");
	637	}
	638
	639	void
	640	Perl_do_magic_dump(pTHX_ I32 level, PerlIO file, MAGIC mg, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
	641	{
	642	for (; mg; mg = mg->mg_moremagic) {
	643	Perl_dump_indent(aTHX_ level, file,
	644	" MAGIC = 0x%"UVxf"\n", PTR2UV(mg));
	645	if (mg->mg_virtual) {
	646	MGVTBL *v = mg->mg_virtual;
	647	char *s = 0;
	648	if (v == &PL_vtbl_sv) s = "sv";
	649	else if (v == &PL_vtbl_env) s = "env";
	650	else if (v == &PL_vtbl_envelem) s = "envelem";
	651	else if (v == &PL_vtbl_sig) s = "sig";
	652	else if (v == &PL_vtbl_sigelem) s = "sigelem";
	653	else if (v == &PL_vtbl_pack) s = "pack";
	654	else if (v == &PL_vtbl_packelem) s = "packelem";
	655	else if (v == &PL_vtbl_dbline) s = "dbline";
	656	else if (v == &PL_vtbl_isa) s = "isa";
	657	else if (v == &PL_vtbl_arylen) s = "arylen";
	658	else if (v == &PL_vtbl_glob) s = "glob";
	659	else if (v == &PL_vtbl_mglob) s = "mglob";
	660	else if (v == &PL_vtbl_nkeys) s = "nkeys";
	661	else if (v == &PL_vtbl_taint) s = "taint";
	662	else if (v == &PL_vtbl_substr) s = "substr";
	663	else if (v == &PL_vtbl_vec) s = "vec";
	664	else if (v == &PL_vtbl_pos) s = "pos";
	665	else if (v == &PL_vtbl_bm) s = "bm";
	666	else if (v == &PL_vtbl_fm) s = "fm";
	667	else if (v == &PL_vtbl_uvar) s = "uvar";
	668	else if (v == &PL_vtbl_defelem) s = "defelem";
	669	#ifdef USE_LOCALE_COLLATE
	670	else if (v == &PL_vtbl_collxfrm) s = "collxfrm";
	671	#endif
	672	else if (v == &PL_vtbl_amagic) s = "amagic";
	673	else if (v == &PL_vtbl_amagicelem) s = "amagicelem";
	674	else if (v == &PL_vtbl_backref) s = "backref";
	675	if (s)
	676	Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = &PL_vtbl_%s\n", s);
	677	else
	678	Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0x%"UVxf"\n", PTR2UV(v));
	679	}
	680	else
	681	Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0\n");
	682
	683	if (mg->mg_private)
	684	Perl_dump_indent(aTHX_ level, file, " MG_PRIVATE = %d\n", mg->mg_private);
	685
	686	if (isPRINT(mg->mg_type))
	687	Perl_dump_indent(aTHX_ level, file, " MG_TYPE = '%c'\n", mg->mg_type);
	688	else
	689	Perl_dump_indent(aTHX_ level, file, " MG_TYPE = '\\%o'\n", mg->mg_type);
	690
	691	if (mg->mg_flags) {
	692	Perl_dump_indent(aTHX_ level, file, " MG_FLAGS = 0x%02X\n", mg->mg_flags);
	693	if (mg->mg_flags & MGf_TAINTEDDIR)
	694	Perl_dump_indent(aTHX_ level, file, " TAINTEDDIR\n");
	695	if (mg->mg_flags & MGf_REFCOUNTED)
	696	Perl_dump_indent(aTHX_ level, file, " REFCOUNTED\n");
	697	if (mg->mg_flags & MGf_GSKIP)
	698	Perl_dump_indent(aTHX_ level, file, " GSKIP\n");
	699	if (mg->mg_flags & MGf_MINMATCH)
	700	Perl_dump_indent(aTHX_ level, file, " MINMATCH\n");
	701	}
	702	if (mg->mg_obj) {
	703	Perl_dump_indent(aTHX_ level, file, " MG_OBJ = 0x%"UVxf"\n", PTR2UV(mg->mg_obj));
	704	if (mg->mg_flags & MGf_REFCOUNTED)
	705	do_sv_dump(level+2, file, mg->mg_obj, nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
	706	}
	707	if (mg->mg_len)
	708	Perl_dump_indent(aTHX_ level, file, " MG_LEN = %ld\n", (long)mg->mg_len);
	709	if (mg->mg_ptr) {
	710	Perl_dump_indent(aTHX_ level, file, " MG_PTR = 0x%"UVxf, PTR2UV(mg->mg_ptr));
	711	if (mg->mg_len >= 0) {
	712	SV *sv = newSVpvn("", 0);
	713	PerlIO_printf(file, " %s", pv_display(sv, mg->mg_ptr, mg->mg_len, 0, pvlim));
	714	SvREFCNT_dec(sv);
	715	}
	716	else if (mg->mg_len == HEf_SVKEY) {
	717	PerlIO_puts(file, " => HEf_SVKEY\n");
	718	do_sv_dump(level+2, file, (SV)((mg)->mg_ptr), nest+1, maxnest, dumpops, pvlim); / MG is already +1 */
	719	continue;
	720	}
	721	else
	722	PerlIO_puts(file, " ???? - please notify IZ");
	723	PerlIO_putc(file, '\n');
	724	}
	725	}
	726	}
	727
	728	void
	729	Perl_magic_dump(pTHX_ MAGIC *mg)
	730	{
	731	do_magic_dump(0, Perl_debug_log, mg, 0, 0, 0, 0);
	732	}
	733
	734	void
	735	Perl_do_hv_dump(pTHX_ I32 level, PerlIO file, char name, HV *sv)
	736	{
	737	Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
	738	if (sv && HvNAME(sv))
	739	PerlIO_printf(file, "\t\"%s\"\n", HvNAME(sv));
	740	else
	741	PerlIO_putc(file, '\n');
	742	}
	743
	744	void
	745	Perl_do_gv_dump(pTHX_ I32 level, PerlIO file, char name, GV *sv)
	746	{
	747	Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
	748	if (sv && GvNAME(sv))
	749	PerlIO_printf(file, "\t\"%s\"\n", GvNAME(sv));
	750	else
	751	PerlIO_putc(file, '\n');
	752	}
	753
	754	void
	755	Perl_do_gvgv_dump(pTHX_ I32 level, PerlIO file, char name, GV *sv)
	756	{
	757	Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
	758	if (sv && GvNAME(sv)) {
	759	PerlIO_printf(file, "\t\"");
	760	if (GvSTASH(sv) && HvNAME(GvSTASH(sv)))
	761	PerlIO_printf(file, "%s\" :: \"", HvNAME(GvSTASH(sv)));
	762	PerlIO_printf(file, "%s\"\n", GvNAME(sv));
	763	}
	764	else
	765	PerlIO_putc(file, '\n');
	766	}
	767
	768	void
	769	Perl_do_sv_dump(pTHX_ I32 level, PerlIO file, SV sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
	770	{
	771	dTHR;
	772	SV *d = sv_newmortal();
	773	char *s;
	774	U32 flags;
	775	U32 type;
	776	STRLEN n_a;
	777
	778	if (!sv) {
	779	Perl_dump_indent(aTHX_ level, file, "SV = 0\n");
	780	return;
	781	}
	782
	783	flags = SvFLAGS(sv);
	784	type = SvTYPE(sv);
	785
	786	Perl_sv_setpvf(aTHX_ d,
	787	"(0x%"UVxf") at 0x%"UVxf"\n%s REFCNT = %"IVdf"\n%s FLAGS = (",
	788	PTR2UV(SvANY(sv)), PTR2UV(sv),
	789	(int)(PL_dumpindent*level), "", (IV)SvREFCNT(sv),
	790	(int)(PL_dumpindent*level), "");
	791
	792	if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,");
	793	if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,");
	794	if (flags & SVs_PADMY) sv_catpv(d, "PADMY,");
	795	if (flags & SVs_TEMP) sv_catpv(d, "TEMP,");
	796	if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,");
	797	if (flags & SVs_GMG) sv_catpv(d, "GMG,");
	798	if (flags & SVs_SMG) sv_catpv(d, "SMG,");
	799	if (flags & SVs_RMG) sv_catpv(d, "RMG,");
	800
	801	if (flags & SVf_IOK) sv_catpv(d, "IOK,");
	802	if (flags & SVf_NOK) sv_catpv(d, "NOK,");
	803	if (flags & SVf_POK) sv_catpv(d, "POK,");
	804	if (flags & SVf_ROK) {
	805	sv_catpv(d, "ROK,");
	806	if (SvWEAKREF(sv)) sv_catpv(d, "WEAKREF,");
	807	}
	808	if (flags & SVf_OOK) sv_catpv(d, "OOK,");
	809	if (flags & SVf_FAKE) sv_catpv(d, "FAKE,");
	810	if (flags & SVf_READONLY) sv_catpv(d, "READONLY,");
	811
	812	if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,");
	813	if (flags & SVp_IOK) sv_catpv(d, "pIOK,");
	814	if (flags & SVp_NOK) sv_catpv(d, "pNOK,");
	815	if (flags & SVp_POK) sv_catpv(d, "pPOK,");
	816	if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,");
	817
	818	switch (type) {
	819	case SVt_PVCV:
	820	case SVt_PVFM:
	821	if (CvANON(sv)) sv_catpv(d, "ANON,");
	822	if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
	823	if (CvCLONE(sv)) sv_catpv(d, "CLONE,");
	824	if (CvCLONED(sv)) sv_catpv(d, "CLONED,");
	825	if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
	826	if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,");
	827	break;
	828	case SVt_PVHV:
	829	if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,");
	830	if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,");
	831	break;
	832	case SVt_PVGV:
	833	if (GvINTRO(sv)) sv_catpv(d, "INTRO,");
	834	if (GvMULTI(sv)) sv_catpv(d, "MULTI,");
	835	if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,");
	836	if (GvIMPORTED(sv)) {
	837	sv_catpv(d, "IMPORT");
	838	if (GvIMPORTED(sv) == GVf_IMPORTED)
	839	sv_catpv(d, "ALL,");
	840	else {
	841	sv_catpv(d, "(");
	842	if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV");
	843	if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV");
	844	if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV");
	845	if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV");
	846	sv_catpv(d, " ),");
	847	}
	848	}
	849	/* FALL THROGH */
	850	default:
	851	if (SvEVALED(sv)) sv_catpv(d, "EVALED,");
	852	if (SvIsUV(sv)) sv_catpv(d, "IsUV,");
	853	if (SvUTF8(sv)) sv_catpv(d, "UTF8");
	854	break;
	855	case SVt_PVBM:
	856	if (SvTAIL(sv)) sv_catpv(d, "TAIL,");
	857	if (SvVALID(sv)) sv_catpv(d, "VALID,");
	858	break;
	859	}
	860
	861	if (*(SvEND(d) - 1) == ',')
	862	SvPVX(d)[--SvCUR(d)] = '\0';
	863	sv_catpv(d, ")");
	864	s = SvPVX(d);
	865
	866	Perl_dump_indent(aTHX_ level, file, "SV = ");
	867	switch (type) {
	868	case SVt_NULL:
	869	PerlIO_printf(file, "NULL%s\n", s);
	870	return;
	871	case SVt_IV:
	872	PerlIO_printf(file, "IV%s\n", s);
	873	break;
	874	case SVt_NV:
	875	PerlIO_printf(file, "NV%s\n", s);
	876	break;
	877	case SVt_RV:
	878	PerlIO_printf(file, "RV%s\n", s);
	879	break;
	880	case SVt_PV:
	881	PerlIO_printf(file, "PV%s\n", s);
	882	break;
	883	case SVt_PVIV:
	884	PerlIO_printf(file, "PVIV%s\n", s);
	885	break;
	886	case SVt_PVNV:
	887	PerlIO_printf(file, "PVNV%s\n", s);
	888	break;
	889	case SVt_PVBM:
	890	PerlIO_printf(file, "PVBM%s\n", s);
	891	break;
	892	case SVt_PVMG:
	893	PerlIO_printf(file, "PVMG%s\n", s);
	894	break;
	895	case SVt_PVLV:
	896	PerlIO_printf(file, "PVLV%s\n", s);
	897	break;
	898	case SVt_PVAV:
	899	PerlIO_printf(file, "PVAV%s\n", s);
	900	break;
	901	case SVt_PVHV:
	902	PerlIO_printf(file, "PVHV%s\n", s);
	903	break;
	904	case SVt_PVCV:
	905	PerlIO_printf(file, "PVCV%s\n", s);
	906	break;
	907	case SVt_PVGV:
	908	PerlIO_printf(file, "PVGV%s\n", s);
	909	break;
	910	case SVt_PVFM:
	911	PerlIO_printf(file, "PVFM%s\n", s);
	912	break;
	913	case SVt_PVIO:
	914	PerlIO_printf(file, "PVIO%s\n", s);
	915	break;
	916	default:
	917	PerlIO_printf(file, "UNKNOWN(0x%"UVxf") %s\n", (UV)type, s);
	918	return;
	919	}
	920	if (type >= SVt_PVIV \|\| type == SVt_IV) {
	921	if (SvIsUV(sv))
	922	Perl_dump_indent(aTHX_ level, file, " UV = %"UVuf, (UV)SvUVX(sv));
	923	else
	924	Perl_dump_indent(aTHX_ level, file, " IV = %"IVdf, (IV)SvIVX(sv));
	925	if (SvOOK(sv))
	926	PerlIO_printf(file, " (OFFSET)");
	927	PerlIO_putc(file, '\n');
	928	}
	929	if (type >= SVt_PVNV \|\| type == SVt_NV) {
	930	RESTORE_NUMERIC_STANDARD();
	931	/* %Vg doesn't work? --jhi */
	932	#ifdef USE_LONG_DOUBLE
	933	Perl_dump_indent(aTHX_ level, file, " NV = %.*" PERL_PRIgldbl "\n", LDBL_DIG, SvNVX(sv));
	934	#else
	935	Perl_dump_indent(aTHX_ level, file, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
	936	#endif
	937	RESTORE_NUMERIC_LOCAL();
	938	}
	939	if (SvROK(sv)) {
	940	Perl_dump_indent(aTHX_ level, file, " RV = 0x%"UVxf"\n", PTR2UV(SvRV(sv)));
	941	if (nest < maxnest)
	942	do_sv_dump(level+1, file, SvRV(sv), nest+1, maxnest, dumpops, pvlim);
	943	return;
	944	}
	945	if (type < SVt_PV)
	946	return;
	947	if (type <= SVt_PVLV) {
	948	if (SvPVX(sv)) {
	949	Perl_dump_indent(aTHX_ level, file," PV = 0x%"UVxf" ", PTR2UV(SvPVX(sv)));
	950	if (SvOOK(sv))
	951	PerlIO_printf(file, "( %s . ) ", pv_display(d, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, pvlim));
	952	PerlIO_printf(file, "%s\n", pv_display(d, SvPVX(sv), SvCUR(sv), SvLEN(sv), pvlim));
	953	Perl_dump_indent(aTHX_ level, file, " CUR = %"IVdf"\n", (IV)SvCUR(sv));
	954	Perl_dump_indent(aTHX_ level, file, " LEN = %"IVdf"\n", (IV)SvLEN(sv));
	955	}
	956	else
	957	Perl_dump_indent(aTHX_ level, file, " PV = 0\n");
	958	}
	959	if (type >= SVt_PVMG) {
	960	if (SvMAGIC(sv))
	961	do_magic_dump(level, file, SvMAGIC(sv), nest, maxnest, dumpops, pvlim);
	962	if (SvSTASH(sv))
	963	do_hv_dump(level, file, " STASH", SvSTASH(sv));
	964	}
	965	switch (type) {
	966	case SVt_PVLV:
	967	Perl_dump_indent(aTHX_ level, file, " TYPE = %c\n", LvTYPE(sv));
	968	Perl_dump_indent(aTHX_ level, file, " TARGOFF = %"IVdf"\n", (IV)LvTARGOFF(sv));
	969	Perl_dump_indent(aTHX_ level, file, " TARGLEN = %"IVdf"\n", (IV)LvTARGLEN(sv));
	970	Perl_dump_indent(aTHX_ level, file, " TARG = 0x%"UVxf"\n", PTR2UV(LvTARG(sv)));
	971	/* XXX level+1 ??? */
	972	do_sv_dump(level, file, LvTARG(sv), nest+1, maxnest, dumpops, pvlim);
	973	break;
	974	case SVt_PVAV:
	975	Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(AvARRAY(sv)));
	976	if (AvARRAY(sv) != AvALLOC(sv)) {
	977	PerlIO_printf(file, " (offset=%"IVdf")\n", (IV)(AvARRAY(sv) - AvALLOC(sv)));
	978	Perl_dump_indent(aTHX_ level, file, " ALLOC = 0x%"UVxf"\n", PTR2UV(AvALLOC(sv)));
	979	}
	980	else
	981	PerlIO_putc(file, '\n');
	982	Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)AvFILLp(sv));
	983	Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)AvMAX(sv));
	984	Perl_dump_indent(aTHX_ level, file, " ARYLEN = 0x%"UVxf"\n", PTR2UV(AvARYLEN(sv)));
	985	flags = AvFLAGS(sv);
	986	sv_setpv(d, "");
	987	if (flags & AVf_REAL) sv_catpv(d, ",REAL");
	988	if (flags & AVf_REIFY) sv_catpv(d, ",REIFY");
	989	if (flags & AVf_REUSED) sv_catpv(d, ",REUSED");
	990	Perl_dump_indent(aTHX_ level, file, " FLAGS = (%s)\n", SvCUR(d) ? SvPVX(d) + 1 : "");
	991	if (nest < maxnest && av_len((AV*)sv) >= 0) {
	992	int count;
	993	for (count = 0; count <= av_len((AV*)sv) && count < maxnest; count++) {
	994	SV** elt = av_fetch((AV*)sv,count,0);
	995
	996	Perl_dump_indent(aTHX_ level + 1, file, "Elt No. %"IVdf"\n", (IV)count);
	997	if (elt)
	998	do_sv_dump(level+1, file, *elt, nest+1, maxnest, dumpops, pvlim);
	999	}
	1000	}
	1001	break;
	1002	case SVt_PVHV:
	1003	Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(HvARRAY(sv)));
	1004	if (HvARRAY(sv) && HvKEYS(sv)) {
	1005	/* Show distribution of HEs in the ARRAY */
	1006	int freq[200];
	1007	#define FREQ_MAX (sizeof freq / sizeof freq[0] - 1)
	1008	int i;
	1009	int max = 0;
	1010	U32 pow2 = 2, keys = HvKEYS(sv);
	1011	NV theoret, sum = 0;
	1012
	1013	PerlIO_printf(file, " (");
	1014	Zero(freq, FREQ_MAX + 1, int);
	1015	for (i = 0; i <= HvMAX(sv); i++) {
	1016	HE* h; int count = 0;
	1017	for (h = HvARRAY(sv)[i]; h; h = HeNEXT(h))
	1018	count++;
	1019	if (count > FREQ_MAX)
	1020	count = FREQ_MAX;
	1021	freq[count]++;
	1022	if (max < count)
	1023	max = count;
	1024	}
	1025	for (i = 0; i <= max; i++) {
	1026	if (freq[i]) {
	1027	PerlIO_printf(file, "%d%s:%d", i,
	1028	(i == FREQ_MAX) ? "+" : "",
	1029	freq[i]);
	1030	if (i != max)
	1031	PerlIO_printf(file, ", ");
	1032	}
	1033	}
	1034	PerlIO_putc(file, ')');
	1035	/* Now calculate quality wrt theoretical value */
	1036	for (i = max; i > 0; i--) { /* Precision: count down. */
	1037	sum += freq[i] * i * i;
	1038	}
	1039	while ((keys = keys >> 1))
	1040	pow2 = pow2 << 1;
	1041	/* Approximate by Poisson distribution */
	1042	theoret = HvKEYS(sv);
	1043	theoret += theoret * theoret/pow2;
	1044	PerlIO_putc(file, '\n');
	1045	Perl_dump_indent(aTHX_ level, file, " hash quality = %.1f%%", theoret/sum*100);
	1046	}
	1047	PerlIO_putc(file, '\n');
	1048	Perl_dump_indent(aTHX_ level, file, " KEYS = %"IVdf"\n", (IV)HvKEYS(sv));
	1049	Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)HvFILL(sv));
	1050	Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)HvMAX(sv));
	1051	Perl_dump_indent(aTHX_ level, file, " RITER = %"IVdf"\n", (IV)HvRITER(sv));
	1052	Perl_dump_indent(aTHX_ level, file, " EITER = 0x%"UVxf"\n", PTR2UV(HvEITER(sv)));
	1053	if (HvPMROOT(sv))
	1054	Perl_dump_indent(aTHX_ level, file, " PMROOT = 0x%"UVxf"\n", PTR2UV(HvPMROOT(sv)));
	1055	if (HvNAME(sv))
	1056	Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", HvNAME(sv));
	1057	if (nest < maxnest && !HvEITER(sv)) { /* Try to preserve iterator */
	1058	HE *he;
	1059	HV hv = (HV)sv;
	1060	int count = maxnest - nest;
	1061
	1062	hv_iterinit(hv);
	1063	while ((he = hv_iternext(hv)) && count--) {
	1064	SV *elt;
	1065	char *key;
	1066	I32 len;
	1067	U32 hash = HeHASH(he);
	1068
	1069	key = hv_iterkey(he, &len);
	1070	elt = hv_iterval(hv, he);
	1071	Perl_dump_indent(aTHX_ level+1, file, "Elt %s HASH = 0x%"UVxf"\n", pv_display(d, key, len, 0, pvlim), (UV)hash);
	1072	do_sv_dump(level+1, file, elt, nest+1, maxnest, dumpops, pvlim);
	1073	}
	1074	hv_iterinit(hv); /* Return to status quo */
	1075	}
	1076	break;
	1077	case SVt_PVCV:
	1078	if (SvPOK(sv))
	1079	Perl_dump_indent(aTHX_ level, file, " PROTOTYPE = \"%s\"\n", SvPV(sv,n_a));
	1080	/* FALL THROUGH */
	1081	case SVt_PVFM:
	1082	do_hv_dump(level, file, " COMP_STASH", CvSTASH(sv));
	1083	if (CvSTART(sv))
	1084	Perl_dump_indent(aTHX_ level, file, " START = 0x%"UVxf" ===> %"IVdf"\n", PTR2UV(CvSTART(sv)), (IV)CvSTART(sv)->op_seq);
	1085	Perl_dump_indent(aTHX_ level, file, " ROOT = 0x%"UVxf"\n", PTR2UV(CvROOT(sv)));
	1086	if (CvROOT(sv) && dumpops)
	1087	do_op_dump(level+1, file, CvROOT(sv));
	1088	Perl_dump_indent(aTHX_ level, file, " XSUB = 0x%"UVxf"\n", PTR2UV(CvXSUB(sv)));
	1089	Perl_dump_indent(aTHX_ level, file, " XSUBANY = %"IVdf"\n", (IV)CvXSUBANY(sv).any_i32);
	1090	do_gvgv_dump(level, file, " GVGV::GV", CvGV(sv));
	1091	Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", CvFILE(sv));
	1092	Perl_dump_indent(aTHX_ level, file, " DEPTH = %"IVdf"\n", (IV)CvDEPTH(sv));
	1093	#ifdef USE_THREADS
	1094	Perl_dump_indent(aTHX_ level, file, " MUTEXP = 0x%"UVxf"\n", PTR2UV(CvMUTEXP(sv)));
	1095	Perl_dump_indent(aTHX_ level, file, " OWNER = 0x%"UVxf"\n", PTR2UV(CvOWNER(sv)));
	1096	#endif /* USE_THREADS */
	1097	Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)CvFLAGS(sv));
	1098	if (type == SVt_PVFM)
	1099	Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)FmLINES(sv));
	1100	Perl_dump_indent(aTHX_ level, file, " PADLIST = 0x%"UVxf"\n", PTR2UV(CvPADLIST(sv)));
	1101	if (nest < maxnest && CvPADLIST(sv)) {
	1102	AV* padlist = CvPADLIST(sv);
	1103	AV* pad_name = (AV)av_fetch(padlist, 0, FALSE);
	1104	AV* pad = (AV)av_fetch(padlist, 1, FALSE);
	1105	SV** pname = AvARRAY(pad_name);
	1106	SV** ppad = AvARRAY(pad);
	1107	I32 ix;
	1108
	1109	for (ix = 1; ix <= AvFILL(pad_name); ix++) {
	1110	if (SvPOK(pname[ix]))
	1111	Perl_dump_indent(aTHX_ level,
	1112	/* %5d below is enough whitespace. */
	1113	file,
	1114	"%5d. 0x%"UVxf" (%s\"%s\" %"IVdf"-%"IVdf")\n",
	1115	(int)ix, PTR2UV(ppad[ix]),
	1116	SvFAKE(pname[ix]) ? "FAKE " : "",
	1117	SvPVX(pname[ix]),
	1118	(IV)SvNVX(pname[ix]),
	1119	(IV)SvIVX(pname[ix]));
	1120	}
	1121	}
	1122	{
	1123	CV *outside = CvOUTSIDE(sv);
	1124	Perl_dump_indent(aTHX_ level, file, " OUTSIDE = 0x%"UVxf" (%s)\n",
	1125	PTR2UV(outside),
	1126	(!outside ? "null"
	1127	: CvANON(outside) ? "ANON"
	1128	: (outside == PL_main_cv) ? "MAIN"
	1129	: CvUNIQUE(outside) ? "UNIQUE"
	1130	: CvGV(outside) ? GvNAME(CvGV(outside)) : "UNDEFINED"));
	1131	}
	1132	if (nest < maxnest && (CvCLONE(sv) \|\| CvCLONED(sv)))
	1133	do_sv_dump(level+1, file, (SV*)CvOUTSIDE(sv), nest+1, maxnest, dumpops, pvlim);
	1134	break;
	1135	case SVt_PVGV:
	1136	Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", GvNAME(sv));
	1137	Perl_dump_indent(aTHX_ level, file, " NAMELEN = %"IVdf"\n", (IV)GvNAMELEN(sv));
	1138	do_hv_dump (level, file, " GvSTASH", GvSTASH(sv));
	1139	Perl_dump_indent(aTHX_ level, file, " GP = 0x%"UVxf"\n", PTR2UV(GvGP(sv)));
	1140	if (!GvGP(sv))
	1141	break;
	1142	Perl_dump_indent(aTHX_ level, file, " SV = 0x%"UVxf"\n", PTR2UV(GvSV(sv)));
	1143	Perl_dump_indent(aTHX_ level, file, " REFCNT = %"IVdf"\n", (IV)GvREFCNT(sv));
	1144	Perl_dump_indent(aTHX_ level, file, " IO = 0x%"UVxf"\n", PTR2UV(GvIOp(sv)));
	1145	Perl_dump_indent(aTHX_ level, file, " FORM = 0x%"UVxf" \n", PTR2UV(GvFORM(sv)));
	1146	Perl_dump_indent(aTHX_ level, file, " AV = 0x%"UVxf"\n", PTR2UV(GvAV(sv)));
	1147	Perl_dump_indent(aTHX_ level, file, " HV = 0x%"UVxf"\n", PTR2UV(GvHV(sv)));
	1148	Perl_dump_indent(aTHX_ level, file, " CV = 0x%"UVxf"\n", PTR2UV(GvCV(sv)));
	1149	Perl_dump_indent(aTHX_ level, file, " CVGEN = 0x%"UVxf"\n", (UV)GvCVGEN(sv));
	1150	Perl_dump_indent(aTHX_ level, file, " GPFLAGS = 0x%"UVxf"\n", (UV)GvGPFLAGS(sv));
	1151	Perl_dump_indent(aTHX_ level, file, " LINE = %"IVdf"\n", (IV)GvLINE(sv));
	1152	Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", GvFILE(sv));
	1153	Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)GvFLAGS(sv));
	1154	do_gv_dump (level, file, " EGV", GvEGV(sv));
	1155	break;
	1156	case SVt_PVIO:
	1157	Perl_dump_indent(aTHX_ level, file, " IFP = 0x%"UVxf"\n", PTR2UV(IoIFP(sv)));
	1158	Perl_dump_indent(aTHX_ level, file, " OFP = 0x%"UVxf"\n", PTR2UV(IoOFP(sv)));
	1159	Perl_dump_indent(aTHX_ level, file, " DIRP = 0x%"UVxf"\n", PTR2UV(IoDIRP(sv)));
	1160	Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)IoLINES(sv));
	1161	Perl_dump_indent(aTHX_ level, file, " PAGE = %"IVdf"\n", (IV)IoPAGE(sv));
	1162	Perl_dump_indent(aTHX_ level, file, " PAGE_LEN = %"IVdf"\n", (IV)IoPAGE_LEN(sv));
	1163	Perl_dump_indent(aTHX_ level, file, " LINES_LEFT = %"IVdf"\n", (IV)IoLINES_LEFT(sv));
	1164	if (IoTOP_NAME(sv))
	1165	Perl_dump_indent(aTHX_ level, file, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
	1166	do_gv_dump (level, file, " TOP_GV", IoTOP_GV(sv));
	1167	if (IoFMT_NAME(sv))
	1168	Perl_dump_indent(aTHX_ level, file, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
	1169	do_gv_dump (level, file, " FMT_GV", IoFMT_GV(sv));
	1170	if (IoBOTTOM_NAME(sv))
	1171	Perl_dump_indent(aTHX_ level, file, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
	1172	do_gv_dump (level, file, " BOTTOM_GV", IoBOTTOM_GV(sv));
	1173	Perl_dump_indent(aTHX_ level, file, " SUBPROCESS = %"IVdf"\n", (IV)IoSUBPROCESS(sv));
	1174	if (isPRINT(IoTYPE(sv)))
	1175	Perl_dump_indent(aTHX_ level, file, " TYPE = '%c'\n", IoTYPE(sv));
	1176	else
	1177	Perl_dump_indent(aTHX_ level, file, " TYPE = '\\%o'\n", IoTYPE(sv));
	1178	Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)IoFLAGS(sv));
	1179	break;
	1180	}
	1181	}
	1182
	1183	void
	1184	Perl_sv_dump(pTHX_ SV *sv)
	1185	{
	1186	do_sv_dump(0, Perl_debug_log, sv, 0, 0, 0, 0);
	1187	}