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Commit	Line	Data
	1	/* dump.c
	2	*
	3	* Copyright (c) 1991-2001, 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	PerlIO_printf(file, "%s", (int)(levelPL_dumpindent), "");
	33	PerlIO_vprintf(file, pat, *args);
	34	}
	35
	36	void
	37	Perl_dump_all(pTHX)
	38	{
	39	PerlIO_setlinebuf(Perl_debug_log);
	40	if (PL_main_root)
	41	op_dump(PL_main_root);
	42	dump_packsubs(PL_defstash);
	43	}
	44
	45	void
	46	Perl_dump_packsubs(pTHX_ HV *stash)
	47	{
	48	I32 i;
	49	HE *entry;
	50
	51	if (!HvARRAY(stash))
	52	return;
	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);
	56	HV *hv;
	57	if (SvTYPE(gv) != SVt_PVGV \|\| !GvGP(gv))
	58	continue;
	59	if (GvCVu(gv))
	60	dump_sub(gv);
	61	if (GvFORM(gv))
	62	dump_form(gv);
	63	if (HeKEY(entry)[HeKLEN(entry)-1] == ':'
	64	&& (hv = GvHV(gv)) && hv != PL_defstash)
	65	dump_packsubs(hv); /* nested package */
	66	}
	67	}
	68	}
	69
	70	void
	71	Perl_dump_sub(pTHX_ GV *gv)
	72	{
	73	SV *sv = sv_newmortal();
	74
	75	gv_fullname3(sv, gv, Nullch);
	76	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nSUB %s = ", SvPVX(sv));
	77	if (CvXSUB(GvCV(gv)))
	78	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "(xsub 0x%lx %d)\n",
	79	(long)CvXSUB(GvCV(gv)),
	80	(int)CvXSUBANY(GvCV(gv)).any_i32);
	81	else if (CvROOT(GvCV(gv)))
	82	op_dump(CvROOT(GvCV(gv)));
	83	else
	84	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
	85	}
	86
	87	void
	88	Perl_dump_form(pTHX_ GV *gv)
	89	{
	90	SV *sv = sv_newmortal();
	91
	92	gv_fullname3(sv, gv, Nullch);
	93	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nFORMAT %s = ", SvPVX(sv));
	94	if (CvROOT(GvFORM(gv)))
	95	op_dump(CvROOT(GvFORM(gv)));
	96	else
	97	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
	98	}
	99
	100	void
	101	Perl_dump_eval(pTHX)
	102	{
	103	op_dump(PL_eval_root);
	104	}
	105
	106	char *
	107	Perl_pv_display(pTHX_ SV dsv, char pv, STRLEN cur, STRLEN len, STRLEN pvlim)
	108	{
	109	int truncated = 0;
	110	int nul_terminated = len > cur && pv[cur] == '\0';
	111
	112	sv_setpvn(dsv, "\"", 1);
	113	for (; cur--; pv++) {
	114	if (pvlim && SvCUR(dsv) >= pvlim) {
	115	truncated++;
	116	break;
	117	}
	118	if (isPRINT(*pv)) {
	119	switch (*pv) {
	120	case '\t': sv_catpvn(dsv, "\\t", 2); break;
	121	case '\n': sv_catpvn(dsv, "\\n", 2); break;
	122	case '\r': sv_catpvn(dsv, "\\r", 2); break;
	123	case '\f': sv_catpvn(dsv, "\\f", 2); break;
	124	case '"': sv_catpvn(dsv, "\\\"", 2); break;
	125	case '\\': sv_catpvn(dsv, "\\\\", 2); break;
	126	default: sv_catpvn(dsv, pv, 1); break;
	127	}
	128	}
	129	else {
	130	if (cur && isDIGIT(*(pv+1)))
	131	Perl_sv_catpvf(aTHX_ dsv, "\\%03o", (U8)*pv);
	132	else
	133	Perl_sv_catpvf(aTHX_ dsv, "\\%o", (U8)*pv);
	134	}
	135	}
	136	sv_catpvn(dsv, "\"", 1);
	137	if (truncated)
	138	sv_catpvn(dsv, "...", 3);
	139	if (nul_terminated)
	140	sv_catpvn(dsv, "\\0", 2);
	141
	142	return SvPVX(dsv);
	143	}
	144
	145	char *
	146	Perl_sv_uni_display(pTHX_ SV dsv, SV ssv, STRLEN pvlim)
	147	{
	148	int truncated = 0;
	149	char s, e;
	150
	151	sv_setpvn(dsv, "\"", 1);
	152	for (s = SvPVX(ssv), e = s + SvCUR(ssv); s < e; s += UTF8SKIP(s)) {
	153	UV u;
	154	if (pvlim && SvCUR(dsv) >= pvlim) {
	155	truncated++;
	156	break;
	157	}
	158	u = utf8_to_uvchr((U8*)s, 0);
	159	Perl_sv_catpvf(aTHX_ dsv, "\\x{%"UVxf"}", u);
	160	}
	161	sv_catpvn(dsv, "\"", 1);
	162	if (truncated)
	163	sv_catpvn(dsv, "...", 3);
	164
	165	return SvPVX(dsv);
	166	}
	167
	168	char *
	169	Perl_sv_peek(pTHX_ SV *sv)
	170	{
	171	SV *t = sv_newmortal();
	172	STRLEN n_a;
	173	int unref = 0;
	174
	175	sv_setpvn(t, "", 0);
	176	retry:
	177	if (!sv) {
	178	sv_catpv(t, "VOID");
	179	goto finish;
	180	}
	181	else if (sv == (SV*)0x55555555 \|\| SvTYPE(sv) == 'U') {
	182	sv_catpv(t, "WILD");
	183	goto finish;
	184	}
	185	else if (sv == &PL_sv_undef \|\| sv == &PL_sv_no \|\| sv == &PL_sv_yes) {
	186	if (sv == &PL_sv_undef) {
	187	sv_catpv(t, "SV_UNDEF");
	188	if (!(SvFLAGS(sv) & (SVf_OK\|SVf_OOK\|SVs_OBJECT\|
	189	SVs_GMG\|SVs_SMG\|SVs_RMG)) &&
	190	SvREADONLY(sv))
	191	goto finish;
	192	}
	193	else if (sv == &PL_sv_no) {
	194	sv_catpv(t, "SV_NO");
	195	if (!(SvFLAGS(sv) & (SVf_ROK\|SVf_OOK\|SVs_OBJECT\|
	196	SVs_GMG\|SVs_SMG\|SVs_RMG)) &&
	197	!(~SvFLAGS(sv) & (SVf_POK\|SVf_NOK\|SVf_READONLY\|
	198	SVp_POK\|SVp_NOK)) &&
	199	SvCUR(sv) == 0 &&
	200	SvNVX(sv) == 0.0)
	201	goto finish;
	202	}
	203	else {
	204	sv_catpv(t, "SV_YES");
	205	if (!(SvFLAGS(sv) & (SVf_ROK\|SVf_OOK\|SVs_OBJECT\|
	206	SVs_GMG\|SVs_SMG\|SVs_RMG)) &&
	207	!(~SvFLAGS(sv) & (SVf_POK\|SVf_NOK\|SVf_READONLY\|
	208	SVp_POK\|SVp_NOK)) &&
	209	SvCUR(sv) == 1 &&
	210	SvPVX(sv) && *SvPVX(sv) == '1' &&
	211	SvNVX(sv) == 1.0)
	212	goto finish;
	213	}
	214	sv_catpv(t, ":");
	215	}
	216	else if (SvREFCNT(sv) == 0) {
	217	sv_catpv(t, "(");
	218	unref++;
	219	}
	220	else if (DEBUG_R_TEST && SvREFCNT(sv) > 1) {
	221	Perl_sv_catpvf(aTHX_ t, "<%"UVuf">", (UV)SvREFCNT(sv));
	222	}
	223
	224
	225	if (SvROK(sv)) {
	226	sv_catpv(t, "\\");
	227	if (SvCUR(t) + unref > 10) {
	228	SvCUR(t) = unref + 3;
	229	*SvEND(t) = '\0';
	230	sv_catpv(t, "...");
	231	goto finish;
	232	}
	233	sv = (SV*)SvRV(sv);
	234	goto retry;
	235	}
	236	switch (SvTYPE(sv)) {
	237	default:
	238	sv_catpv(t, "FREED");
	239	goto finish;
	240
	241	case SVt_NULL:
	242	sv_catpv(t, "UNDEF");
	243	goto finish;
	244	case SVt_IV:
	245	sv_catpv(t, "IV");
	246	break;
	247	case SVt_NV:
	248	sv_catpv(t, "NV");
	249	break;
	250	case SVt_RV:
	251	sv_catpv(t, "RV");
	252	break;
	253	case SVt_PV:
	254	sv_catpv(t, "PV");
	255	break;
	256	case SVt_PVIV:
	257	sv_catpv(t, "PVIV");
	258	break;
	259	case SVt_PVNV:
	260	sv_catpv(t, "PVNV");
	261	break;
	262	case SVt_PVMG:
	263	sv_catpv(t, "PVMG");
	264	break;
	265	case SVt_PVLV:
	266	sv_catpv(t, "PVLV");
	267	break;
	268	case SVt_PVAV:
	269	sv_catpv(t, "AV");
	270	break;
	271	case SVt_PVHV:
	272	sv_catpv(t, "HV");
	273	break;
	274	case SVt_PVCV:
	275	if (CvGV(sv))
	276	Perl_sv_catpvf(aTHX_ t, "CV(%s)", GvNAME(CvGV(sv)));
	277	else
	278	sv_catpv(t, "CV()");
	279	goto finish;
	280	case SVt_PVGV:
	281	sv_catpv(t, "GV");
	282	break;
	283	case SVt_PVBM:
	284	sv_catpv(t, "BM");
	285	break;
	286	case SVt_PVFM:
	287	sv_catpv(t, "FM");
	288	break;
	289	case SVt_PVIO:
	290	sv_catpv(t, "IO");
	291	break;
	292	}
	293
	294	if (SvPOKp(sv)) {
	295	if (!SvPVX(sv))
	296	sv_catpv(t, "(null)");
	297	else {
	298	SV *tmp = newSVpvn("", 0);
	299	sv_catpv(t, "(");
	300	if (SvOOK(sv))
	301	Perl_sv_catpvf(aTHX_ t, "[%s]", pv_display(tmp, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, 127));
	302	Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, SvPVX(sv), SvCUR(sv), SvLEN(sv), 127));
	303	if (SvUTF8(sv))
	304	Perl_sv_catpvf(aTHX_ t, " [UTF8 %s]",
	305	sv_uni_display(tmp, sv, 8 * sv_len_utf8(sv)));
	306	SvREFCNT_dec(tmp);
	307	}
	308	}
	309	else if (SvNOKp(sv)) {
	310	STORE_NUMERIC_LOCAL_SET_STANDARD();
	311	Perl_sv_catpvf(aTHX_ t, "(%g)",SvNVX(sv));
	312	RESTORE_NUMERIC_LOCAL();
	313	}
	314	else if (SvIOKp(sv)) {
	315	if (SvIsUV(sv))
	316	Perl_sv_catpvf(aTHX_ t, "(%"UVuf")", (UV)SvUVX(sv));
	317	else
	318	Perl_sv_catpvf(aTHX_ t, "(%"IVdf")", (IV)SvIVX(sv));
	319	}
	320	else
	321	sv_catpv(t, "()");
	322
	323	finish:
	324	if (unref) {
	325	while (unref--)
	326	sv_catpv(t, ")");
	327	}
	328	return SvPV(t, n_a);
	329	}
	330
	331	void
	332	Perl_do_pmop_dump(pTHX_ I32 level, PerlIO file, PMOP pm)
	333	{
	334	char ch;
	335
	336	if (!pm) {
	337	Perl_dump_indent(aTHX_ level, file, "{}\n");
	338	return;
	339	}
	340	Perl_dump_indent(aTHX_ level, file, "{\n");
	341	level++;
	342	if (pm->op_pmflags & PMf_ONCE)
	343	ch = '?';
	344	else
	345	ch = '/';
	346	if (PM_GETRE(pm))
	347	Perl_dump_indent(aTHX_ level, file, "PMf_PRE %c%s%c%s\n",
	348	ch, PM_GETRE(pm)->precomp, ch,
	349	(pm->op_private & OPpRUNTIME) ? " (RUNTIME)" : "");
	350	else
	351	Perl_dump_indent(aTHX_ level, file, "PMf_PRE (RUNTIME)\n");
	352	if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) {
	353	Perl_dump_indent(aTHX_ level, file, "PMf_REPL = ");
	354	op_dump(pm->op_pmreplroot);
	355	}
	356	if (pm->op_pmflags \|\| (PM_GETRE(pm) && PM_GETRE(pm)->check_substr)) {
	357	SV *tmpsv = newSVpvn("", 0);
	358	if (pm->op_pmdynflags & PMdf_USED)
	359	sv_catpv(tmpsv, ",USED");
	360	if (pm->op_pmdynflags & PMdf_TAINTED)
	361	sv_catpv(tmpsv, ",TAINTED");
	362	if (pm->op_pmflags & PMf_ONCE)
	363	sv_catpv(tmpsv, ",ONCE");
	364	if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
	365	&& !(PM_GETRE(pm)->reganch & ROPT_NOSCAN))
	366	sv_catpv(tmpsv, ",SCANFIRST");
	367	if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
	368	&& PM_GETRE(pm)->reganch & ROPT_CHECK_ALL)
	369	sv_catpv(tmpsv, ",ALL");
	370	if (pm->op_pmflags & PMf_SKIPWHITE)
	371	sv_catpv(tmpsv, ",SKIPWHITE");
	372	if (pm->op_pmflags & PMf_CONST)
	373	sv_catpv(tmpsv, ",CONST");
	374	if (pm->op_pmflags & PMf_KEEP)
	375	sv_catpv(tmpsv, ",KEEP");
	376	if (pm->op_pmflags & PMf_GLOBAL)
	377	sv_catpv(tmpsv, ",GLOBAL");
	378	if (pm->op_pmflags & PMf_CONTINUE)
	379	sv_catpv(tmpsv, ",CONTINUE");
	380	if (pm->op_pmflags & PMf_RETAINT)
	381	sv_catpv(tmpsv, ",RETAINT");
	382	if (pm->op_pmflags & PMf_EVAL)
	383	sv_catpv(tmpsv, ",EVAL");
	384	Perl_dump_indent(aTHX_ level, file, "PMFLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
	385	SvREFCNT_dec(tmpsv);
	386	}
	387
	388	Perl_dump_indent(aTHX_ level-1, file, "}\n");
	389	}
	390
	391	void
	392	Perl_pmop_dump(pTHX_ PMOP *pm)
	393	{
	394	do_pmop_dump(0, Perl_debug_log, pm);
	395	}
	396
	397	void
	398	Perl_do_op_dump(pTHX_ I32 level, PerlIO file, OP o)
	399	{
	400	Perl_dump_indent(aTHX_ level, file, "{\n");
	401	level++;
	402	if (o->op_seq)
	403	PerlIO_printf(file, "%-4d", o->op_seq);
	404	else
	405	PerlIO_printf(file, " ");
	406	PerlIO_printf(file,
	407	"%*sTYPE = %s ===> ",
	408	(int)(PL_dumpindent*level-4), "", OP_NAME(o));
	409	if (o->op_next) {
	410	if (o->op_seq)
	411	PerlIO_printf(file, "%d\n", o->op_next->op_seq);
	412	else
	413	PerlIO_printf(file, "(%d)\n", o->op_next->op_seq);
	414	}
	415	else
	416	PerlIO_printf(file, "DONE\n");
	417	if (o->op_targ) {
	418	if (o->op_type == OP_NULL)
	419	{
	420	Perl_dump_indent(aTHX_ level, file, " (was %s)\n", PL_op_name[o->op_targ]);
	421	if (o->op_targ == OP_NEXTSTATE)
	422	{
	423	if (CopLINE(cCOPo))
	424	Perl_dump_indent(aTHX_ level, file, "LINE = %d\n",CopLINE(cCOPo));
	425	if (CopSTASHPV(cCOPo))
	426	Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
	427	CopSTASHPV(cCOPo));
	428	if (cCOPo->cop_label)
	429	Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
	430	cCOPo->cop_label);
	431	}
	432	}
	433	else
	434	Perl_dump_indent(aTHX_ level, file, "TARG = %ld\n", (long)o->op_targ);
	435	}
	436	#ifdef DUMPADDR
	437	Perl_dump_indent(aTHX_ level, file, "ADDR = 0x%"UVxf" => 0x%"UVxf"\n", (UV)o, (UV)o->op_next);
	438	#endif
	439	if (o->op_flags) {
	440	SV *tmpsv = newSVpvn("", 0);
	441	switch (o->op_flags & OPf_WANT) {
	442	case OPf_WANT_VOID:
	443	sv_catpv(tmpsv, ",VOID");
	444	break;
	445	case OPf_WANT_SCALAR:
	446	sv_catpv(tmpsv, ",SCALAR");
	447	break;
	448	case OPf_WANT_LIST:
	449	sv_catpv(tmpsv, ",LIST");
	450	break;
	451	default:
	452	sv_catpv(tmpsv, ",UNKNOWN");
	453	break;
	454	}
	455	if (o->op_flags & OPf_KIDS)
	456	sv_catpv(tmpsv, ",KIDS");
	457	if (o->op_flags & OPf_PARENS)
	458	sv_catpv(tmpsv, ",PARENS");
	459	if (o->op_flags & OPf_STACKED)
	460	sv_catpv(tmpsv, ",STACKED");
	461	if (o->op_flags & OPf_REF)
	462	sv_catpv(tmpsv, ",REF");
	463	if (o->op_flags & OPf_MOD)
	464	sv_catpv(tmpsv, ",MOD");
	465	if (o->op_flags & OPf_SPECIAL)
	466	sv_catpv(tmpsv, ",SPECIAL");
	467	Perl_dump_indent(aTHX_ level, file, "FLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
	468	SvREFCNT_dec(tmpsv);
	469	}
	470	if (o->op_private) {
	471	SV *tmpsv = newSVpvn("", 0);
	472	if (PL_opargs[o->op_type] & OA_TARGLEX) {
	473	if (o->op_private & OPpTARGET_MY)
	474	sv_catpv(tmpsv, ",TARGET_MY");
	475	}
	476	else if (o->op_type == OP_LEAVESUB \|\|
	477	o->op_type == OP_LEAVE \|\|
	478	o->op_type == OP_LEAVESUBLV \|\|
	479	o->op_type == OP_LEAVEWRITE) {
	480	if (o->op_private & OPpREFCOUNTED)
	481	sv_catpv(tmpsv, ",REFCOUNTED");
	482	}
	483	else if (o->op_type == OP_AASSIGN) {
	484	if (o->op_private & OPpASSIGN_COMMON)
	485	sv_catpv(tmpsv, ",COMMON");
	486	if (o->op_private & OPpASSIGN_HASH)
	487	sv_catpv(tmpsv, ",HASH");
	488	}
	489	else if (o->op_type == OP_SASSIGN) {
	490	if (o->op_private & OPpASSIGN_BACKWARDS)
	491	sv_catpv(tmpsv, ",BACKWARDS");
	492	}
	493	else if (o->op_type == OP_TRANS) {
	494	if (o->op_private & OPpTRANS_SQUASH)
	495	sv_catpv(tmpsv, ",SQUASH");
	496	if (o->op_private & OPpTRANS_DELETE)
	497	sv_catpv(tmpsv, ",DELETE");
	498	if (o->op_private & OPpTRANS_COMPLEMENT)
	499	sv_catpv(tmpsv, ",COMPLEMENT");
	500	if (o->op_private & OPpTRANS_IDENTICAL)
	501	sv_catpv(tmpsv, ",IDENTICAL");
	502	if (o->op_private & OPpTRANS_GROWS)
	503	sv_catpv(tmpsv, ",GROWS");
	504	}
	505	else if (o->op_type == OP_REPEAT) {
	506	if (o->op_private & OPpREPEAT_DOLIST)
	507	sv_catpv(tmpsv, ",DOLIST");
	508	}
	509	else if (o->op_type == OP_ENTERSUB \|\|
	510	o->op_type == OP_RV2SV \|\|
	511	o->op_type == OP_GVSV \|\|
	512	o->op_type == OP_RV2AV \|\|
	513	o->op_type == OP_RV2HV \|\|
	514	o->op_type == OP_RV2GV \|\|
	515	o->op_type == OP_AELEM \|\|
	516	o->op_type == OP_HELEM )
	517	{
	518	if (o->op_type == OP_ENTERSUB) {
	519	if (o->op_private & OPpENTERSUB_AMPER)
	520	sv_catpv(tmpsv, ",AMPER");
	521	if (o->op_private & OPpENTERSUB_DB)
	522	sv_catpv(tmpsv, ",DB");
	523	if (o->op_private & OPpENTERSUB_HASTARG)
	524	sv_catpv(tmpsv, ",HASTARG");
	525	if (o->op_private & OPpENTERSUB_NOPAREN)
	526	sv_catpv(tmpsv, ",NOPAREN");
	527	if (o->op_private & OPpENTERSUB_INARGS)
	528	sv_catpv(tmpsv, ",INARGS");
	529	}
	530	else {
	531	switch (o->op_private & OPpDEREF) {
	532	case OPpDEREF_SV:
	533	sv_catpv(tmpsv, ",SV");
	534	break;
	535	case OPpDEREF_AV:
	536	sv_catpv(tmpsv, ",AV");
	537	break;
	538	case OPpDEREF_HV:
	539	sv_catpv(tmpsv, ",HV");
	540	break;
	541	}
	542	if (o->op_private & OPpMAYBE_LVSUB)
	543	sv_catpv(tmpsv, ",MAYBE_LVSUB");
	544	}
	545	if (o->op_type == OP_AELEM \|\| o->op_type == OP_HELEM) {
	546	if (o->op_private & OPpLVAL_DEFER)
	547	sv_catpv(tmpsv, ",LVAL_DEFER");
	548	}
	549	else {
	550	if (o->op_private & HINT_STRICT_REFS)
	551	sv_catpv(tmpsv, ",STRICT_REFS");
	552	if (o->op_private & OPpOUR_INTRO)
	553	sv_catpv(tmpsv, ",OUR_INTRO");
	554	}
	555	}
	556	else if (o->op_type == OP_CONST) {
	557	if (o->op_private & OPpCONST_BARE)
	558	sv_catpv(tmpsv, ",BARE");
	559	if (o->op_private & OPpCONST_STRICT)
	560	sv_catpv(tmpsv, ",STRICT");
	561	if (o->op_private & OPpCONST_ARYBASE)
	562	sv_catpv(tmpsv, ",ARYBASE");
	563	if (o->op_private & OPpCONST_WARNING)
	564	sv_catpv(tmpsv, ",WARNING");
	565	if (o->op_private & OPpCONST_ENTERED)
	566	sv_catpv(tmpsv, ",ENTERED");
	567	}
	568	else if (o->op_type == OP_FLIP) {
	569	if (o->op_private & OPpFLIP_LINENUM)
	570	sv_catpv(tmpsv, ",LINENUM");
	571	}
	572	else if (o->op_type == OP_FLOP) {
	573	if (o->op_private & OPpFLIP_LINENUM)
	574	sv_catpv(tmpsv, ",LINENUM");
	575	} else if (o->op_type == OP_RV2CV) {
	576	if (o->op_private & OPpLVAL_INTRO)
	577	sv_catpv(tmpsv, ",INTRO");
	578	}
	579	else if (o->op_type == OP_GV) {
	580	if (o->op_private & OPpEARLY_CV)
	581	sv_catpv(tmpsv, ",EARLY_CV");
	582	}
	583	else if (o->op_type == OP_LIST) {
	584	if (o->op_private & OPpLIST_GUESSED)
	585	sv_catpv(tmpsv, ",GUESSED");
	586	}
	587	else if (o->op_type == OP_DELETE) {
	588	if (o->op_private & OPpSLICE)
	589	sv_catpv(tmpsv, ",SLICE");
	590	}
	591	else if (o->op_type == OP_EXISTS) {
	592	if (o->op_private & OPpEXISTS_SUB)
	593	sv_catpv(tmpsv, ",EXISTS_SUB");
	594	}
	595	else if (o->op_type == OP_SORT) {
	596	if (o->op_private & OPpSORT_NUMERIC)
	597	sv_catpv(tmpsv, ",NUMERIC");
	598	if (o->op_private & OPpSORT_INTEGER)
	599	sv_catpv(tmpsv, ",INTEGER");
	600	if (o->op_private & OPpSORT_REVERSE)
	601	sv_catpv(tmpsv, ",REVERSE");
	602	}
	603	else if (o->op_type == OP_THREADSV) {
	604	if (o->op_private & OPpDONE_SVREF)
	605	sv_catpv(tmpsv, ",SVREF");
	606	}
	607	else if (o->op_type == OP_OPEN \|\| o->op_type == OP_BACKTICK) {
	608	if (o->op_private & OPpOPEN_IN_RAW)
	609	sv_catpv(tmpsv, ",IN_RAW");
	610	if (o->op_private & OPpOPEN_IN_CRLF)
	611	sv_catpv(tmpsv, ",IN_CRLF");
	612	if (o->op_private & OPpOPEN_OUT_RAW)
	613	sv_catpv(tmpsv, ",OUT_RAW");
	614	if (o->op_private & OPpOPEN_OUT_CRLF)
	615	sv_catpv(tmpsv, ",OUT_CRLF");
	616	}
	617	else if (o->op_type == OP_EXIT) {
	618	if (o->op_private & OPpEXIT_VMSISH)
	619	sv_catpv(tmpsv, ",EXIT_VMSISH");
	620	if (o->op_private & OPpHUSH_VMSISH)
	621	sv_catpv(tmpsv, ",HUSH_VMSISH");
	622	}
	623	else if (o->op_type == OP_DIE) {
	624	if (o->op_private & OPpHUSH_VMSISH)
	625	sv_catpv(tmpsv, ",HUSH_VMSISH");
	626	}
	627	if (o->op_flags & OPf_MOD && o->op_private & OPpLVAL_INTRO)
	628	sv_catpv(tmpsv, ",INTRO");
	629	if (SvCUR(tmpsv))
	630	Perl_dump_indent(aTHX_ level, file, "PRIVATE = (%s)\n", SvPVX(tmpsv) + 1);
	631	SvREFCNT_dec(tmpsv);
	632	}
	633
	634	switch (o->op_type) {
	635	case OP_AELEMFAST:
	636	case OP_GVSV:
	637	case OP_GV:
	638	#ifdef USE_ITHREADS
	639	Perl_dump_indent(aTHX_ level, file, "PADIX = %d\n", cPADOPo->op_padix);
	640	#else
	641	if (cSVOPo->op_sv) {
	642	SV *tmpsv = NEWSV(0,0);
	643	STRLEN n_a;
	644	ENTER;
	645	SAVEFREESV(tmpsv);
	646	gv_fullname3(tmpsv, (GV*)cSVOPo->op_sv, Nullch);
	647	Perl_dump_indent(aTHX_ level, file, "GV = %s\n", SvPV(tmpsv, n_a));
	648	LEAVE;
	649	}
	650	else
	651	Perl_dump_indent(aTHX_ level, file, "GV = NULL\n");
	652	#endif
	653	break;
	654	case OP_CONST:
	655	case OP_METHOD_NAMED:
	656	Perl_dump_indent(aTHX_ level, file, "SV = %s\n", SvPEEK(cSVOPo->op_sv));
	657	break;
	658	case OP_SETSTATE:
	659	case OP_NEXTSTATE:
	660	case OP_DBSTATE:
	661	if (CopLINE(cCOPo))
	662	Perl_dump_indent(aTHX_ level, file, "LINE = %d\n",CopLINE(cCOPo));
	663	if (CopSTASHPV(cCOPo))
	664	Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
	665	CopSTASHPV(cCOPo));
	666	if (cCOPo->cop_label)
	667	Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
	668	cCOPo->cop_label);
	669	break;
	670	case OP_ENTERLOOP:
	671	Perl_dump_indent(aTHX_ level, file, "REDO ===> ");
	672	if (cLOOPo->op_redoop)
	673	PerlIO_printf(file, "%d\n", cLOOPo->op_redoop->op_seq);
	674	else
	675	PerlIO_printf(file, "DONE\n");
	676	Perl_dump_indent(aTHX_ level, file, "NEXT ===> ");
	677	if (cLOOPo->op_nextop)
	678	PerlIO_printf(file, "%d\n", cLOOPo->op_nextop->op_seq);
	679	else
	680	PerlIO_printf(file, "DONE\n");
	681	Perl_dump_indent(aTHX_ level, file, "LAST ===> ");
	682	if (cLOOPo->op_lastop)
	683	PerlIO_printf(file, "%d\n", cLOOPo->op_lastop->op_seq);
	684	else
	685	PerlIO_printf(file, "DONE\n");
	686	break;
	687	case OP_COND_EXPR:
	688	case OP_RANGE:
	689	case OP_MAPWHILE:
	690	case OP_GREPWHILE:
	691	case OP_OR:
	692	case OP_AND:
	693	Perl_dump_indent(aTHX_ level, file, "OTHER ===> ");
	694	if (cLOGOPo->op_other)
	695	PerlIO_printf(file, "%d\n", cLOGOPo->op_other->op_seq);
	696	else
	697	PerlIO_printf(file, "DONE\n");
	698	break;
	699	case OP_PUSHRE:
	700	case OP_MATCH:
	701	case OP_QR:
	702	case OP_SUBST:
	703	do_pmop_dump(level, file, cPMOPo);
	704	break;
	705	case OP_LEAVE:
	706	case OP_LEAVEEVAL:
	707	case OP_LEAVESUB:
	708	case OP_LEAVESUBLV:
	709	case OP_LEAVEWRITE:
	710	case OP_SCOPE:
	711	if (o->op_private & OPpREFCOUNTED)
	712	Perl_dump_indent(aTHX_ level, file, "REFCNT = %"UVuf"\n", (UV)o->op_targ);
	713	break;
	714	default:
	715	break;
	716	}
	717	if (o->op_flags & OPf_KIDS) {
	718	OP *kid;
	719	for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
	720	do_op_dump(level, file, kid);
	721	}
	722	Perl_dump_indent(aTHX_ level-1, file, "}\n");
	723	}
	724
	725	void
	726	Perl_op_dump(pTHX_ OP *o)
	727	{
	728	do_op_dump(0, Perl_debug_log, o);
	729	}
	730
	731	void
	732	Perl_gv_dump(pTHX_ GV *gv)
	733	{
	734	SV *sv;
	735
	736	if (!gv) {
	737	PerlIO_printf(Perl_debug_log, "{}\n");
	738	return;
	739	}
	740	sv = sv_newmortal();
	741	PerlIO_printf(Perl_debug_log, "{\n");
	742	gv_fullname3(sv, gv, Nullch);
	743	Perl_dump_indent(aTHX_ 1, Perl_debug_log, "GV_NAME = %s", SvPVX(sv));
	744	if (gv != GvEGV(gv)) {
	745	gv_efullname3(sv, GvEGV(gv), Nullch);
	746	Perl_dump_indent(aTHX_ 1, Perl_debug_log, "-> %s", SvPVX(sv));
	747	}
	748	PerlIO_putc(Perl_debug_log, '\n');
	749	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "}\n");
	750	}
	751
	752
	753	/* map magic types to the symbolic name
	754	* (with the PERL_MAGIC_ prefixed stripped)
	755	*/
	756
	757	static struct { char type; char *name; } magic_names[] = {
	758	{ PERL_MAGIC_sv, "sv(\\0)" },
	759	{ PERL_MAGIC_arylen, "arylen(#)" },
	760	{ PERL_MAGIC_glob, "glob(*)" },
	761	{ PERL_MAGIC_pos, "pos(.)" },
	762	{ PERL_MAGIC_backref, "backref(<)" },
	763	{ PERL_MAGIC_overload, "overload(A)" },
	764	{ PERL_MAGIC_bm, "bm(B)" },
	765	{ PERL_MAGIC_regdata, "regdata(D)" },
	766	{ PERL_MAGIC_env, "env(E)" },
	767	{ PERL_MAGIC_isa, "isa(I)" },
	768	{ PERL_MAGIC_dbfile, "dbfile(L)" },
	769	{ PERL_MAGIC_tied, "tied(P)" },
	770	{ PERL_MAGIC_sig, "sig(S)" },
	771	{ PERL_MAGIC_uvar, "uvar(U)" },
	772	{ PERL_MAGIC_overload_elem, "overload_elem(a)" },
	773	{ PERL_MAGIC_overload_table, "overload_table(c)" },
	774	{ PERL_MAGIC_regdatum, "regdatum(d)" },
	775	{ PERL_MAGIC_envelem, "envelem(e)" },
	776	{ PERL_MAGIC_fm, "fm(f)" },
	777	{ PERL_MAGIC_regex_global, "regex_global(g)" },
	778	{ PERL_MAGIC_isaelem, "isaelem(i)" },
	779	{ PERL_MAGIC_nkeys, "nkeys(k)" },
	780	{ PERL_MAGIC_dbline, "dbline(l)" },
	781	{ PERL_MAGIC_mutex, "mutex(m)" },
	782	{ PERL_MAGIC_collxfrm, "collxfrm(o)" },
	783	{ PERL_MAGIC_tiedelem, "tiedelem(p)" },
	784	{ PERL_MAGIC_tiedscalar, "tiedscalar(q)" },
	785	{ PERL_MAGIC_qr, "qr(r)" },
	786	{ PERL_MAGIC_sigelem, "sigelem(s)" },
	787	{ PERL_MAGIC_taint, "taint(t)" },
	788	{ PERL_MAGIC_vec, "vec(v)" },
	789	{ PERL_MAGIC_substr, "substr(x)" },
	790	{ PERL_MAGIC_defelem, "defelem(y)" },
	791	{ PERL_MAGIC_ext, "ext(~)" },
	792	/* this null string terminates the list */
	793	{ 0, 0 },
	794	};
	795
	796	void
	797	Perl_do_magic_dump(pTHX_ I32 level, PerlIO file, MAGIC mg, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
	798	{
	799	for (; mg; mg = mg->mg_moremagic) {
	800	Perl_dump_indent(aTHX_ level, file,
	801	" MAGIC = 0x%"UVxf"\n", PTR2UV(mg));
	802	if (mg->mg_virtual) {
	803	MGVTBL *v = mg->mg_virtual;
	804	char *s = 0;
	805	if (v == &PL_vtbl_sv) s = "sv";
	806	else if (v == &PL_vtbl_env) s = "env";
	807	else if (v == &PL_vtbl_envelem) s = "envelem";
	808	else if (v == &PL_vtbl_sig) s = "sig";
	809	else if (v == &PL_vtbl_sigelem) s = "sigelem";
	810	else if (v == &PL_vtbl_pack) s = "pack";
	811	else if (v == &PL_vtbl_packelem) s = "packelem";
	812	else if (v == &PL_vtbl_dbline) s = "dbline";
	813	else if (v == &PL_vtbl_isa) s = "isa";
	814	else if (v == &PL_vtbl_arylen) s = "arylen";
	815	else if (v == &PL_vtbl_glob) s = "glob";
	816	else if (v == &PL_vtbl_mglob) s = "mglob";
	817	else if (v == &PL_vtbl_nkeys) s = "nkeys";
	818	else if (v == &PL_vtbl_taint) s = "taint";
	819	else if (v == &PL_vtbl_substr) s = "substr";
	820	else if (v == &PL_vtbl_vec) s = "vec";
	821	else if (v == &PL_vtbl_pos) s = "pos";
	822	else if (v == &PL_vtbl_bm) s = "bm";
	823	else if (v == &PL_vtbl_fm) s = "fm";
	824	else if (v == &PL_vtbl_uvar) s = "uvar";
	825	else if (v == &PL_vtbl_defelem) s = "defelem";
	826	#ifdef USE_LOCALE_COLLATE
	827	else if (v == &PL_vtbl_collxfrm) s = "collxfrm";
	828	#endif
	829	else if (v == &PL_vtbl_amagic) s = "amagic";
	830	else if (v == &PL_vtbl_amagicelem) s = "amagicelem";
	831	else if (v == &PL_vtbl_backref) s = "backref";
	832	if (s)
	833	Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = &PL_vtbl_%s\n", s);
	834	else
	835	Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0x%"UVxf"\n", PTR2UV(v));
	836	}
	837	else
	838	Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0\n");
	839
	840	if (mg->mg_private)
	841	Perl_dump_indent(aTHX_ level, file, " MG_PRIVATE = %d\n", mg->mg_private);
	842
	843	{
	844	int n;
	845	char *name = 0;
	846	for (n=0; magic_names[n].name; n++) {
	847	if (mg->mg_type == magic_names[n].type) {
	848	name = magic_names[n].name;
	849	break;
	850	}
	851	}
	852	if (name)
	853	Perl_dump_indent(aTHX_ level, file,
	854	" MG_TYPE = PERL_MAGIC_%s\n", name);
	855	else
	856	Perl_dump_indent(aTHX_ level, file,
	857	" MG_TYPE = UNKNOWN(\\%o)\n", mg->mg_type);
	858	}
	859
	860	if (mg->mg_flags) {
	861	Perl_dump_indent(aTHX_ level, file, " MG_FLAGS = 0x%02X\n", mg->mg_flags);
	862	if (mg->mg_flags & MGf_TAINTEDDIR)
	863	Perl_dump_indent(aTHX_ level, file, " TAINTEDDIR\n");
	864	if (mg->mg_flags & MGf_REFCOUNTED)
	865	Perl_dump_indent(aTHX_ level, file, " REFCOUNTED\n");
	866	if (mg->mg_flags & MGf_GSKIP)
	867	Perl_dump_indent(aTHX_ level, file, " GSKIP\n");
	868	if (mg->mg_flags & MGf_MINMATCH)
	869	Perl_dump_indent(aTHX_ level, file, " MINMATCH\n");
	870	}
	871	if (mg->mg_obj) {
	872	Perl_dump_indent(aTHX_ level, file, " MG_OBJ = 0x%"UVxf"\n", PTR2UV(mg->mg_obj));
	873	if (mg->mg_flags & MGf_REFCOUNTED)
	874	do_sv_dump(level+2, file, mg->mg_obj, nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
	875	}
	876	if (mg->mg_len)
	877	Perl_dump_indent(aTHX_ level, file, " MG_LEN = %ld\n", (long)mg->mg_len);
	878	if (mg->mg_ptr) {
	879	Perl_dump_indent(aTHX_ level, file, " MG_PTR = 0x%"UVxf, PTR2UV(mg->mg_ptr));
	880	if (mg->mg_len >= 0) {
	881	SV *sv = newSVpvn("", 0);
	882	PerlIO_printf(file, " %s", pv_display(sv, mg->mg_ptr, mg->mg_len, 0, pvlim));
	883	SvREFCNT_dec(sv);
	884	}
	885	else if (mg->mg_len == HEf_SVKEY) {
	886	PerlIO_puts(file, " => HEf_SVKEY\n");
	887	do_sv_dump(level+2, file, (SV)((mg)->mg_ptr), nest+1, maxnest, dumpops, pvlim); / MG is already +1 */
	888	continue;
	889	}
	890	else
	891	PerlIO_puts(file, " ???? - please notify IZ");
	892	PerlIO_putc(file, '\n');
	893	}
	894	}
	895	}
	896
	897	void
	898	Perl_magic_dump(pTHX_ MAGIC *mg)
	899	{
	900	do_magic_dump(0, Perl_debug_log, mg, 0, 0, 0, 0);
	901	}
	902
	903	void
	904	Perl_do_hv_dump(pTHX_ I32 level, PerlIO file, char name, HV *sv)
	905	{
	906	Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
	907	if (sv && HvNAME(sv))
	908	PerlIO_printf(file, "\t\"%s\"\n", HvNAME(sv));
	909	else
	910	PerlIO_putc(file, '\n');
	911	}
	912
	913	void
	914	Perl_do_gv_dump(pTHX_ I32 level, PerlIO file, char name, GV *sv)
	915	{
	916	Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
	917	if (sv && GvNAME(sv))
	918	PerlIO_printf(file, "\t\"%s\"\n", GvNAME(sv));
	919	else
	920	PerlIO_putc(file, '\n');
	921	}
	922
	923	void
	924	Perl_do_gvgv_dump(pTHX_ I32 level, PerlIO file, char name, GV *sv)
	925	{
	926	Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
	927	if (sv && GvNAME(sv)) {
	928	PerlIO_printf(file, "\t\"");
	929	if (GvSTASH(sv))
	930	PerlIO_printf(file, "%s\" :: \"", HvNAME(GvSTASH(sv)));
	931	PerlIO_printf(file, "%s\"\n", GvNAME(sv));
	932	}
	933	else
	934	PerlIO_putc(file, '\n');
	935	}
	936
	937	void
	938	Perl_do_sv_dump(pTHX_ I32 level, PerlIO file, SV sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
	939	{
	940	SV *d;
	941	char *s;
	942	U32 flags;
	943	U32 type;
	944	STRLEN n_a;
	945
	946	if (!sv) {
	947	Perl_dump_indent(aTHX_ level, file, "SV = 0\n");
	948	return;
	949	}
	950
	951	flags = SvFLAGS(sv);
	952	type = SvTYPE(sv);
	953
	954	d = Perl_newSVpvf(aTHX_
	955	"(0x%"UVxf") at 0x%"UVxf"\n%s REFCNT = %"IVdf"\n%s FLAGS = (",
	956	PTR2UV(SvANY(sv)), PTR2UV(sv),
	957	(int)(PL_dumpindent*level), "", (IV)SvREFCNT(sv),
	958	(int)(PL_dumpindent*level), "");
	959
	960	if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,");
	961	if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,");
	962	if (flags & SVs_PADMY) sv_catpv(d, "PADMY,");
	963	if (flags & SVs_TEMP) sv_catpv(d, "TEMP,");
	964	if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,");
	965	if (flags & SVs_GMG) sv_catpv(d, "GMG,");
	966	if (flags & SVs_SMG) sv_catpv(d, "SMG,");
	967	if (flags & SVs_RMG) sv_catpv(d, "RMG,");
	968
	969	if (flags & SVf_IOK) sv_catpv(d, "IOK,");
	970	if (flags & SVf_NOK) sv_catpv(d, "NOK,");
	971	if (flags & SVf_POK) sv_catpv(d, "POK,");
	972	if (flags & SVf_ROK) {
	973	sv_catpv(d, "ROK,");
	974	if (SvWEAKREF(sv)) sv_catpv(d, "WEAKREF,");
	975	}
	976	if (flags & SVf_OOK) sv_catpv(d, "OOK,");
	977	if (flags & SVf_FAKE) sv_catpv(d, "FAKE,");
	978	if (flags & SVf_READONLY) sv_catpv(d, "READONLY,");
	979
	980	if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,");
	981	if (flags & SVp_IOK) sv_catpv(d, "pIOK,");
	982	if (flags & SVp_NOK) sv_catpv(d, "pNOK,");
	983	if (flags & SVp_POK) sv_catpv(d, "pPOK,");
	984	if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,");
	985
	986	switch (type) {
	987	case SVt_PVCV:
	988	case SVt_PVFM:
	989	if (CvANON(sv)) sv_catpv(d, "ANON,");
	990	if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
	991	if (CvCLONE(sv)) sv_catpv(d, "CLONE,");
	992	if (CvCLONED(sv)) sv_catpv(d, "CLONED,");
	993	if (CvCONST(sv)) sv_catpv(d, "CONST,");
	994	if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
	995	if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,");
	996	if (CvLVALUE(sv)) sv_catpv(d, "LVALUE,");
	997	if (CvMETHOD(sv)) sv_catpv(d, "METHOD,");
	998	break;
	999	case SVt_PVHV:
	1000	if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,");
	1001	if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,");
	1002	break;
	1003	case SVt_PVGV:
	1004	if (GvINTRO(sv)) sv_catpv(d, "INTRO,");
	1005	if (GvMULTI(sv)) sv_catpv(d, "MULTI,");
	1006	if (GvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
	1007	if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,");
	1008	if (GvIN_PAD(sv)) sv_catpv(d, "IN_PAD,");
	1009	if (flags & SVpad_OUR) sv_catpv(d, "OUR,");
	1010	if (GvIMPORTED(sv)) {
	1011	sv_catpv(d, "IMPORT");
	1012	if (GvIMPORTED(sv) == GVf_IMPORTED)
	1013	sv_catpv(d, "ALL,");
	1014	else {
	1015	sv_catpv(d, "(");
	1016	if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV");
	1017	if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV");
	1018	if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV");
	1019	if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV");
	1020	sv_catpv(d, " ),");
	1021	}
	1022	}
	1023	/* FALL THROUGH */
	1024	default:
	1025	if (SvEVALED(sv)) sv_catpv(d, "EVALED,");
	1026	if (SvIsUV(sv)) sv_catpv(d, "IsUV,");
	1027	break;
	1028	case SVt_PVBM:
	1029	if (SvTAIL(sv)) sv_catpv(d, "TAIL,");
	1030	if (SvVALID(sv)) sv_catpv(d, "VALID,");
	1031	break;
	1032	case SVt_PVMG:
	1033	if (flags & SVpad_TYPED)
	1034	sv_catpv(d, "TYPED,");
	1035	break;
	1036	}
	1037	if (SvPOK(sv) && SvUTF8(sv))
	1038	sv_catpv(d, "UTF8");
	1039
	1040	if (*(SvEND(d) - 1) == ',')
	1041	SvPVX(d)[--SvCUR(d)] = '\0';
	1042	sv_catpv(d, ")");
	1043	s = SvPVX(d);
	1044
	1045	Perl_dump_indent(aTHX_ level, file, "SV = ");
	1046	switch (type) {
	1047	case SVt_NULL:
	1048	PerlIO_printf(file, "NULL%s\n", s);
	1049	SvREFCNT_dec(d);
	1050	return;
	1051	case SVt_IV:
	1052	PerlIO_printf(file, "IV%s\n", s);
	1053	break;
	1054	case SVt_NV:
	1055	PerlIO_printf(file, "NV%s\n", s);
	1056	break;
	1057	case SVt_RV:
	1058	PerlIO_printf(file, "RV%s\n", s);
	1059	break;
	1060	case SVt_PV:
	1061	PerlIO_printf(file, "PV%s\n", s);
	1062	break;
	1063	case SVt_PVIV:
	1064	PerlIO_printf(file, "PVIV%s\n", s);
	1065	break;
	1066	case SVt_PVNV:
	1067	PerlIO_printf(file, "PVNV%s\n", s);
	1068	break;
	1069	case SVt_PVBM:
	1070	PerlIO_printf(file, "PVBM%s\n", s);
	1071	break;
	1072	case SVt_PVMG:
	1073	PerlIO_printf(file, "PVMG%s\n", s);
	1074	break;
	1075	case SVt_PVLV:
	1076	PerlIO_printf(file, "PVLV%s\n", s);
	1077	break;
	1078	case SVt_PVAV:
	1079	PerlIO_printf(file, "PVAV%s\n", s);
	1080	break;
	1081	case SVt_PVHV:
	1082	PerlIO_printf(file, "PVHV%s\n", s);
	1083	break;
	1084	case SVt_PVCV:
	1085	PerlIO_printf(file, "PVCV%s\n", s);
	1086	break;
	1087	case SVt_PVGV:
	1088	PerlIO_printf(file, "PVGV%s\n", s);
	1089	break;
	1090	case SVt_PVFM:
	1091	PerlIO_printf(file, "PVFM%s\n", s);
	1092	break;
	1093	case SVt_PVIO:
	1094	PerlIO_printf(file, "PVIO%s\n", s);
	1095	break;
	1096	default:
	1097	PerlIO_printf(file, "UNKNOWN(0x%"UVxf") %s\n", (UV)type, s);
	1098	SvREFCNT_dec(d);
	1099	return;
	1100	}
	1101	if (type >= SVt_PVIV \|\| type == SVt_IV) {
	1102	if (SvIsUV(sv))
	1103	Perl_dump_indent(aTHX_ level, file, " UV = %"UVuf, (UV)SvUVX(sv));
	1104	else
	1105	Perl_dump_indent(aTHX_ level, file, " IV = %"IVdf, (IV)SvIVX(sv));
	1106	if (SvOOK(sv))
	1107	PerlIO_printf(file, " (OFFSET)");
	1108	PerlIO_putc(file, '\n');
	1109	}
	1110	if (type >= SVt_PVNV \|\| type == SVt_NV) {
	1111	STORE_NUMERIC_LOCAL_SET_STANDARD();
	1112	/* %Vg doesn't work? --jhi */
	1113	#ifdef USE_LONG_DOUBLE
	1114	Perl_dump_indent(aTHX_ level, file, " NV = %.*" PERL_PRIgldbl "\n", LDBL_DIG, SvNVX(sv));
	1115	#else
	1116	Perl_dump_indent(aTHX_ level, file, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
	1117	#endif
	1118	RESTORE_NUMERIC_LOCAL();
	1119	}
	1120	if (SvROK(sv)) {
	1121	Perl_dump_indent(aTHX_ level, file, " RV = 0x%"UVxf"\n", PTR2UV(SvRV(sv)));
	1122	if (nest < maxnest)
	1123	do_sv_dump(level+1, file, SvRV(sv), nest+1, maxnest, dumpops, pvlim);
	1124	SvREFCNT_dec(d);
	1125	return;
	1126	}
	1127	if (type < SVt_PV) {
	1128	SvREFCNT_dec(d);
	1129	return;
	1130	}
	1131	if (type <= SVt_PVLV) {
	1132	if (SvPVX(sv)) {
	1133	Perl_dump_indent(aTHX_ level, file," PV = 0x%"UVxf" ", PTR2UV(SvPVX(sv)));
	1134	if (SvOOK(sv))
	1135	PerlIO_printf(file, "( %s . ) ", pv_display(d, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, pvlim));
	1136	PerlIO_printf(file, "%s", pv_display(d, SvPVX(sv), SvCUR(sv), SvLEN(sv), pvlim));
	1137	if (SvUTF8(sv)) /* the 8? \x{....} */
	1138	PerlIO_printf(file, " [UTF8 %s]", sv_uni_display(d, sv, 8 * sv_len_utf8(sv)));
	1139	PerlIO_printf(file, "\n");
	1140	Perl_dump_indent(aTHX_ level, file, " CUR = %"IVdf"\n", (IV)SvCUR(sv));
	1141	Perl_dump_indent(aTHX_ level, file, " LEN = %"IVdf"\n", (IV)SvLEN(sv));
	1142	}
	1143	else
	1144	Perl_dump_indent(aTHX_ level, file, " PV = 0\n");
	1145	}
	1146	if (type >= SVt_PVMG) {
	1147	if (SvMAGIC(sv))
	1148	do_magic_dump(level, file, SvMAGIC(sv), nest, maxnest, dumpops, pvlim);
	1149	if (SvSTASH(sv))
	1150	do_hv_dump(level, file, " STASH", SvSTASH(sv));
	1151	}
	1152	switch (type) {
	1153	case SVt_PVLV:
	1154	Perl_dump_indent(aTHX_ level, file, " TYPE = %c\n", LvTYPE(sv));
	1155	Perl_dump_indent(aTHX_ level, file, " TARGOFF = %"IVdf"\n", (IV)LvTARGOFF(sv));
	1156	Perl_dump_indent(aTHX_ level, file, " TARGLEN = %"IVdf"\n", (IV)LvTARGLEN(sv));
	1157	Perl_dump_indent(aTHX_ level, file, " TARG = 0x%"UVxf"\n", PTR2UV(LvTARG(sv)));
	1158	/* XXX level+1 ??? */
	1159	do_sv_dump(level, file, LvTARG(sv), nest+1, maxnest, dumpops, pvlim);
	1160	break;
	1161	case SVt_PVAV:
	1162	Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(AvARRAY(sv)));
	1163	if (AvARRAY(sv) != AvALLOC(sv)) {
	1164	PerlIO_printf(file, " (offset=%"IVdf")\n", (IV)(AvARRAY(sv) - AvALLOC(sv)));
	1165	Perl_dump_indent(aTHX_ level, file, " ALLOC = 0x%"UVxf"\n", PTR2UV(AvALLOC(sv)));
	1166	}
	1167	else
	1168	PerlIO_putc(file, '\n');
	1169	Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)AvFILLp(sv));
	1170	Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)AvMAX(sv));
	1171	Perl_dump_indent(aTHX_ level, file, " ARYLEN = 0x%"UVxf"\n", PTR2UV(AvARYLEN(sv)));
	1172	flags = AvFLAGS(sv);
	1173	sv_setpv(d, "");
	1174	if (flags & AVf_REAL) sv_catpv(d, ",REAL");
	1175	if (flags & AVf_REIFY) sv_catpv(d, ",REIFY");
	1176	if (flags & AVf_REUSED) sv_catpv(d, ",REUSED");
	1177	Perl_dump_indent(aTHX_ level, file, " FLAGS = (%s)\n", SvCUR(d) ? SvPVX(d) + 1 : "");
	1178	if (nest < maxnest && av_len((AV*)sv) >= 0) {
	1179	int count;
	1180	for (count = 0; count <= av_len((AV*)sv) && count < maxnest; count++) {
	1181	SV** elt = av_fetch((AV*)sv,count,0);
	1182
	1183	Perl_dump_indent(aTHX_ level + 1, file, "Elt No. %"IVdf"\n", (IV)count);
	1184	if (elt)
	1185	do_sv_dump(level+1, file, *elt, nest+1, maxnest, dumpops, pvlim);
	1186	}
	1187	}
	1188	break;
	1189	case SVt_PVHV:
	1190	Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(HvARRAY(sv)));
	1191	if (HvARRAY(sv) && HvKEYS(sv)) {
	1192	/* Show distribution of HEs in the ARRAY */
	1193	int freq[200];
	1194	#define FREQ_MAX (sizeof freq / sizeof freq[0] - 1)
	1195	int i;
	1196	int max = 0;
	1197	U32 pow2 = 2, keys = HvKEYS(sv);
	1198	NV theoret, sum = 0;
	1199
	1200	PerlIO_printf(file, " (");
	1201	Zero(freq, FREQ_MAX + 1, int);
	1202	for (i = 0; i <= HvMAX(sv); i++) {
	1203	HE* h; int count = 0;
	1204	for (h = HvARRAY(sv)[i]; h; h = HeNEXT(h))
	1205	count++;
	1206	if (count > FREQ_MAX)
	1207	count = FREQ_MAX;
	1208	freq[count]++;
	1209	if (max < count)
	1210	max = count;
	1211	}
	1212	for (i = 0; i <= max; i++) {
	1213	if (freq[i]) {
	1214	PerlIO_printf(file, "%d%s:%d", i,
	1215	(i == FREQ_MAX) ? "+" : "",
	1216	freq[i]);
	1217	if (i != max)
	1218	PerlIO_printf(file, ", ");
	1219	}
	1220	}
	1221	PerlIO_putc(file, ')');
	1222	/* The "quality" of a hash is defined as the total number of
	1223	comparisons needed to access every element once, relative
	1224	to the expected number needed for a random hash.
	1225
	1226	The total number of comparisons is equal to the sum of
	1227	the squares of the number of entries in each bucket.
	1228	For a random hash of n keys into k buckets, the expected
	1229	value is
	1230	n + n(n-1)/2k
	1231	*/
	1232
	1233	for (i = max; i > 0; i--) { /* Precision: count down. */
	1234	sum += freq[i] * i * i;
	1235	}
	1236	while ((keys = keys >> 1))
	1237	pow2 = pow2 << 1;
	1238	theoret = HvKEYS(sv);
	1239	theoret += theoret * (theoret-1)/pow2;
	1240	PerlIO_putc(file, '\n');
	1241	Perl_dump_indent(aTHX_ level, file, " hash quality = %.1"NVff"%%", theoret/sum*100);
	1242	}
	1243	PerlIO_putc(file, '\n');
	1244	Perl_dump_indent(aTHX_ level, file, " KEYS = %"IVdf"\n", (IV)HvKEYS(sv));
	1245	Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)HvFILL(sv));
	1246	Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)HvMAX(sv));
	1247	Perl_dump_indent(aTHX_ level, file, " RITER = %"IVdf"\n", (IV)HvRITER(sv));
	1248	Perl_dump_indent(aTHX_ level, file, " EITER = 0x%"UVxf"\n", PTR2UV(HvEITER(sv)));
	1249	if (HvPMROOT(sv))
	1250	Perl_dump_indent(aTHX_ level, file, " PMROOT = 0x%"UVxf"\n", PTR2UV(HvPMROOT(sv)));
	1251	if (HvNAME(sv))
	1252	Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", HvNAME(sv));
	1253	if (nest < maxnest && !HvEITER(sv)) { /* Try to preserve iterator */
	1254	HE *he;
	1255	HV hv = (HV)sv;
	1256	int count = maxnest - nest;
	1257
	1258	hv_iterinit(hv);
	1259	while ((he = hv_iternext(hv)) && count--) {
	1260	SV elt, keysv;
	1261	char *keypv;
	1262	STRLEN len;
	1263	U32 hash = HeHASH(he);
	1264
	1265	keysv = hv_iterkeysv(he);
	1266	keypv = SvPV(keysv, len);
	1267	elt = hv_iterval(hv, he);
	1268	Perl_dump_indent(aTHX_ level+1, file, "Elt %s ", pv_display(d, keypv, len, 0, pvlim));
	1269	if (SvUTF8(keysv))
	1270	PerlIO_printf(file, "[UTF8 %s] ", sv_uni_display(d, keysv, 8 * sv_len_utf8(keysv)));
	1271	PerlIO_printf(file, "HASH = 0x%"UVxf"\n", (UV)hash);
	1272	do_sv_dump(level+1, file, elt, nest+1, maxnest, dumpops, pvlim);
	1273	}
	1274	hv_iterinit(hv); /* Return to status quo */
	1275	}
	1276	break;
	1277	case SVt_PVCV:
	1278	if (SvPOK(sv))
	1279	Perl_dump_indent(aTHX_ level, file, " PROTOTYPE = \"%s\"\n", SvPV(sv,n_a));
	1280	/* FALL THROUGH */
	1281	case SVt_PVFM:
	1282	do_hv_dump(level, file, " COMP_STASH", CvSTASH(sv));
	1283	if (CvSTART(sv))
	1284	Perl_dump_indent(aTHX_ level, file, " START = 0x%"UVxf" ===> %"IVdf"\n", PTR2UV(CvSTART(sv)), (IV)CvSTART(sv)->op_seq);
	1285	Perl_dump_indent(aTHX_ level, file, " ROOT = 0x%"UVxf"\n", PTR2UV(CvROOT(sv)));
	1286	if (CvROOT(sv) && dumpops)
	1287	do_op_dump(level+1, file, CvROOT(sv));
	1288	Perl_dump_indent(aTHX_ level, file, " XSUB = 0x%"UVxf"\n", PTR2UV(CvXSUB(sv)));
	1289	Perl_dump_indent(aTHX_ level, file, " XSUBANY = %"IVdf"\n", (IV)CvXSUBANY(sv).any_i32);
	1290	do_gvgv_dump(level, file, " GVGV::GV", CvGV(sv));
	1291	Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", CvFILE(sv));
	1292	Perl_dump_indent(aTHX_ level, file, " DEPTH = %"IVdf"\n", (IV)CvDEPTH(sv));
	1293	#ifdef USE_5005THREADS
	1294	Perl_dump_indent(aTHX_ level, file, " MUTEXP = 0x%"UVxf"\n", PTR2UV(CvMUTEXP(sv)));
	1295	Perl_dump_indent(aTHX_ level, file, " OWNER = 0x%"UVxf"\n", PTR2UV(CvOWNER(sv)));
	1296	#endif /* USE_5005THREADS */
	1297	Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)CvFLAGS(sv));
	1298	if (type == SVt_PVFM)
	1299	Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)FmLINES(sv));
	1300	Perl_dump_indent(aTHX_ level, file, " PADLIST = 0x%"UVxf"\n", PTR2UV(CvPADLIST(sv)));
	1301	if (nest < maxnest && CvPADLIST(sv)) {
	1302	AV* padlist = CvPADLIST(sv);
	1303	AV* pad_name = (AV)av_fetch(padlist, 0, FALSE);
	1304	AV* pad = (AV)av_fetch(padlist, 1, FALSE);
	1305	SV** pname = AvARRAY(pad_name);
	1306	SV** ppad = AvARRAY(pad);
	1307	I32 ix;
	1308
	1309	for (ix = 1; ix <= AvFILL(pad_name); ix++) {
	1310	if (SvPOK(pname[ix]))
	1311	Perl_dump_indent(aTHX_ level,
	1312	/* %5d below is enough whitespace. */
	1313	file,
	1314	"%5d. 0x%"UVxf" (%s\"%s\" %"IVdf"-%"IVdf")\n",
	1315	(int)ix, PTR2UV(ppad[ix]),
	1316	SvFAKE(pname[ix]) ? "FAKE " : "",
	1317	SvPVX(pname[ix]),
	1318	(IV)SvNVX(pname[ix]),
	1319	(IV)SvIVX(pname[ix]));
	1320	}
	1321	}
	1322	{
	1323	CV *outside = CvOUTSIDE(sv);
	1324	Perl_dump_indent(aTHX_ level, file, " OUTSIDE = 0x%"UVxf" (%s)\n",
	1325	PTR2UV(outside),
	1326	(!outside ? "null"
	1327	: CvANON(outside) ? "ANON"
	1328	: (outside == PL_main_cv) ? "MAIN"
	1329	: CvUNIQUE(outside) ? "UNIQUE"
	1330	: CvGV(outside) ? GvNAME(CvGV(outside)) : "UNDEFINED"));
	1331	}
	1332	if (nest < maxnest && (CvCLONE(sv) \|\| CvCLONED(sv)))
	1333	do_sv_dump(level+1, file, (SV*)CvOUTSIDE(sv), nest+1, maxnest, dumpops, pvlim);
	1334	break;
	1335	case SVt_PVGV:
	1336	Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", GvNAME(sv));
	1337	Perl_dump_indent(aTHX_ level, file, " NAMELEN = %"IVdf"\n", (IV)GvNAMELEN(sv));
	1338	do_hv_dump (level, file, " GvSTASH", GvSTASH(sv));
	1339	Perl_dump_indent(aTHX_ level, file, " GP = 0x%"UVxf"\n", PTR2UV(GvGP(sv)));
	1340	if (!GvGP(sv))
	1341	break;
	1342	Perl_dump_indent(aTHX_ level, file, " SV = 0x%"UVxf"\n", PTR2UV(GvSV(sv)));
	1343	Perl_dump_indent(aTHX_ level, file, " REFCNT = %"IVdf"\n", (IV)GvREFCNT(sv));
	1344	Perl_dump_indent(aTHX_ level, file, " IO = 0x%"UVxf"\n", PTR2UV(GvIOp(sv)));
	1345	Perl_dump_indent(aTHX_ level, file, " FORM = 0x%"UVxf" \n", PTR2UV(GvFORM(sv)));
	1346	Perl_dump_indent(aTHX_ level, file, " AV = 0x%"UVxf"\n", PTR2UV(GvAV(sv)));
	1347	Perl_dump_indent(aTHX_ level, file, " HV = 0x%"UVxf"\n", PTR2UV(GvHV(sv)));
	1348	Perl_dump_indent(aTHX_ level, file, " CV = 0x%"UVxf"\n", PTR2UV(GvCV(sv)));
	1349	Perl_dump_indent(aTHX_ level, file, " CVGEN = 0x%"UVxf"\n", (UV)GvCVGEN(sv));
	1350	Perl_dump_indent(aTHX_ level, file, " GPFLAGS = 0x%"UVxf"\n", (UV)GvGPFLAGS(sv));
	1351	Perl_dump_indent(aTHX_ level, file, " LINE = %"IVdf"\n", (IV)GvLINE(sv));
	1352	Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", GvFILE(sv));
	1353	Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)GvFLAGS(sv));
	1354	do_gv_dump (level, file, " EGV", GvEGV(sv));
	1355	break;
	1356	case SVt_PVIO:
	1357	Perl_dump_indent(aTHX_ level, file, " IFP = 0x%"UVxf"\n", PTR2UV(IoIFP(sv)));
	1358	Perl_dump_indent(aTHX_ level, file, " OFP = 0x%"UVxf"\n", PTR2UV(IoOFP(sv)));
	1359	Perl_dump_indent(aTHX_ level, file, " DIRP = 0x%"UVxf"\n", PTR2UV(IoDIRP(sv)));
	1360	Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)IoLINES(sv));
	1361	Perl_dump_indent(aTHX_ level, file, " PAGE = %"IVdf"\n", (IV)IoPAGE(sv));
	1362	Perl_dump_indent(aTHX_ level, file, " PAGE_LEN = %"IVdf"\n", (IV)IoPAGE_LEN(sv));
	1363	Perl_dump_indent(aTHX_ level, file, " LINES_LEFT = %"IVdf"\n", (IV)IoLINES_LEFT(sv));
	1364	if (IoTOP_NAME(sv))
	1365	Perl_dump_indent(aTHX_ level, file, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
	1366	do_gv_dump (level, file, " TOP_GV", IoTOP_GV(sv));
	1367	if (IoFMT_NAME(sv))
	1368	Perl_dump_indent(aTHX_ level, file, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
	1369	do_gv_dump (level, file, " FMT_GV", IoFMT_GV(sv));
	1370	if (IoBOTTOM_NAME(sv))
	1371	Perl_dump_indent(aTHX_ level, file, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
	1372	do_gv_dump (level, file, " BOTTOM_GV", IoBOTTOM_GV(sv));
	1373	Perl_dump_indent(aTHX_ level, file, " SUBPROCESS = %"IVdf"\n", (IV)IoSUBPROCESS(sv));
	1374	if (isPRINT(IoTYPE(sv)))
	1375	Perl_dump_indent(aTHX_ level, file, " TYPE = '%c'\n", IoTYPE(sv));
	1376	else
	1377	Perl_dump_indent(aTHX_ level, file, " TYPE = '\\%o'\n", IoTYPE(sv));
	1378	Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)IoFLAGS(sv));
	1379	break;
	1380	}
	1381	SvREFCNT_dec(d);
	1382	}
	1383
	1384	void
	1385	Perl_sv_dump(pTHX_ SV *sv)
	1386	{
	1387	do_sv_dump(0, Perl_debug_log, sv, 0, 0, 0, 0);
	1388	}