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a0d0e21e 1/* dump.c
a687059c 2 *
4bb101f2 3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
a687059c 5 *
6e21c824
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
a0d0e21e
LW
9 */
10
11/*
12 * "'You have talked long in your sleep, Frodo,' said Gandalf gently, 'and
13 * it has not been hard for me to read your mind and memory.'"
8d063cd8
LW
14 */
15
166f8a29 16/* This file contains utility routines to dump the contents of SV and OP
61296642 17 * structures, as used by command-line options like -Dt and -Dx, and
166f8a29
DM
18 * by Devel::Peek.
19 *
20 * It also holds the debugging version of the runops function.
21 */
22
8d063cd8 23#include "EXTERN.h"
864dbfa3 24#define PERL_IN_DUMP_C
8d063cd8 25#include "perl.h"
f722798b 26#include "regcomp.h"
8d063cd8 27
27da23d5 28#define Sequence PL_op_sequence
2814eb74 29
3967c732 30void
864dbfa3 31Perl_dump_indent(pTHX_ I32 level, PerlIO *file, const char* pat, ...)
3967c732 32{
3967c732 33 va_list args;
3967c732 34 va_start(args, pat);
c5be433b 35 dump_vindent(level, file, pat, &args);
3967c732
JD
36 va_end(args);
37}
8adcabd8
LW
38
39void
c5be433b
GS
40Perl_dump_vindent(pTHX_ I32 level, PerlIO *file, const char* pat, va_list *args)
41{
c8db6e60 42 PerlIO_printf(file, "%*s", (int)(level*PL_dumpindent), "");
c5be433b
GS
43 PerlIO_vprintf(file, pat, *args);
44}
45
46void
864dbfa3 47Perl_dump_all(pTHX)
79072805 48{
760ac839 49 PerlIO_setlinebuf(Perl_debug_log);
3280af22 50 if (PL_main_root)
3967c732 51 op_dump(PL_main_root);
3280af22 52 dump_packsubs(PL_defstash);
463ee0b2
LW
53}
54
55void
e1ec3a88 56Perl_dump_packsubs(pTHX_ const HV *stash)
463ee0b2 57{
a0d0e21e 58 I32 i;
463ee0b2 59
8990e307
LW
60 if (!HvARRAY(stash))
61 return;
a0d0e21e 62 for (i = 0; i <= (I32) HvMAX(stash); i++) {
e1ec3a88 63 const HE *entry;
4db58590 64 for (entry = HvARRAY(stash)[i]; entry; entry = HeNEXT(entry)) {
e1ec3a88
AL
65 const GV *gv = (GV*)HeVAL(entry);
66 const HV *hv;
e29cdcb3
GS
67 if (SvTYPE(gv) != SVt_PVGV || !GvGP(gv))
68 continue;
8ebc5c01 69 if (GvCVu(gv))
463ee0b2 70 dump_sub(gv);
85e6fe83
LW
71 if (GvFORM(gv))
72 dump_form(gv);
6676db26
AMS
73 if (HeKEY(entry)[HeKLEN(entry)-1] == ':'
74 && (hv = GvHV(gv)) && hv != PL_defstash)
463ee0b2
LW
75 dump_packsubs(hv); /* nested package */
76 }
79072805
LW
77 }
78}
79
80void
e1ec3a88 81Perl_dump_sub(pTHX_ const GV *gv)
a687059c 82{
b464bac0 83 SV * const sv = sv_newmortal();
85e6fe83 84
f6aff53a 85 gv_fullname3(sv, gv, Nullch);
b15aece3 86 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nSUB %s = ", SvPVX_const(sv));
a0d0e21e 87 if (CvXSUB(GvCV(gv)))
91f3b821
GS
88 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "(xsub 0x%"UVxf" %d)\n",
89 PTR2UV(CvXSUB(GvCV(gv))),
894356b3 90 (int)CvXSUBANY(GvCV(gv)).any_i32);
85e6fe83 91 else if (CvROOT(GvCV(gv)))
3967c732 92 op_dump(CvROOT(GvCV(gv)));
85e6fe83 93 else
cea2e8a9 94 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
85e6fe83
LW
95}
96
97void
e1ec3a88 98Perl_dump_form(pTHX_ const GV *gv)
85e6fe83 99{
b464bac0 100 SV * const sv = sv_newmortal();
85e6fe83 101
f6aff53a 102 gv_fullname3(sv, gv, Nullch);
b15aece3 103 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nFORMAT %s = ", SvPVX_const(sv));
85e6fe83 104 if (CvROOT(GvFORM(gv)))
3967c732 105 op_dump(CvROOT(GvFORM(gv)));
85e6fe83 106 else
cea2e8a9 107 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
a687059c
LW
108}
109
8adcabd8 110void
864dbfa3 111Perl_dump_eval(pTHX)
8d063cd8 112{
3967c732
JD
113 op_dump(PL_eval_root);
114}
115
116char *
e1ec3a88 117Perl_pv_display(pTHX_ SV *dsv, const char *pv, STRLEN cur, STRLEN len, STRLEN pvlim)
3967c732 118{
e1ec3a88
AL
119 const bool nul_terminated = len > cur && pv[cur] == '\0';
120 bool truncated = 0;
3967c732 121
e6abe6d8 122 sv_setpvn(dsv, "\"", 1);
3967c732 123 for (; cur--; pv++) {
e6abe6d8 124 if (pvlim && SvCUR(dsv) >= pvlim) {
e1ec3a88 125 truncated = 1;
3967c732
JD
126 break;
127 }
46316b0a
DM
128 switch (*pv) {
129 case '\t': sv_catpvn(dsv, "\\t", 2); break;
130 case '\n': sv_catpvn(dsv, "\\n", 2); break;
131 case '\r': sv_catpvn(dsv, "\\r", 2); break;
132 case '\f': sv_catpvn(dsv, "\\f", 2); break;
133 case '"': sv_catpvn(dsv, "\\\"", 2); break;
134 case '\\': sv_catpvn(dsv, "\\\\", 2); break;
135 default:
136 if (isPRINT(*pv))
137 sv_catpvn(dsv, pv, 1);
138 else if (cur && isDIGIT(*(pv+1)))
e6abe6d8 139 Perl_sv_catpvf(aTHX_ dsv, "\\%03o", (U8)*pv);
3967c732 140 else
e6abe6d8 141 Perl_sv_catpvf(aTHX_ dsv, "\\%o", (U8)*pv);
3967c732
JD
142 }
143 }
e6abe6d8 144 sv_catpvn(dsv, "\"", 1);
3967c732 145 if (truncated)
e6abe6d8 146 sv_catpvn(dsv, "...", 3);
3967c732 147 if (nul_terminated)
e6abe6d8 148 sv_catpvn(dsv, "\\0", 2);
3967c732 149
e6abe6d8
JH
150 return SvPVX(dsv);
151}
152
153char *
864dbfa3 154Perl_sv_peek(pTHX_ SV *sv)
3967c732 155{
27da23d5 156 dVAR;
3967c732 157 SV *t = sv_newmortal();
2d8e6c8d 158 STRLEN n_a;
3967c732
JD
159 int unref = 0;
160
161 sv_setpvn(t, "", 0);
162 retry:
163 if (!sv) {
164 sv_catpv(t, "VOID");
165 goto finish;
166 }
167 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
168 sv_catpv(t, "WILD");
169 goto finish;
170 }
7996736c 171 else if (sv == &PL_sv_undef || sv == &PL_sv_no || sv == &PL_sv_yes || sv == &PL_sv_placeholder) {
3967c732
JD
172 if (sv == &PL_sv_undef) {
173 sv_catpv(t, "SV_UNDEF");
174 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
175 SVs_GMG|SVs_SMG|SVs_RMG)) &&
176 SvREADONLY(sv))
177 goto finish;
178 }
179 else if (sv == &PL_sv_no) {
180 sv_catpv(t, "SV_NO");
181 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
182 SVs_GMG|SVs_SMG|SVs_RMG)) &&
183 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
184 SVp_POK|SVp_NOK)) &&
185 SvCUR(sv) == 0 &&
186 SvNVX(sv) == 0.0)
187 goto finish;
188 }
7996736c 189 else if (sv == &PL_sv_yes) {
3967c732
JD
190 sv_catpv(t, "SV_YES");
191 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
192 SVs_GMG|SVs_SMG|SVs_RMG)) &&
193 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
194 SVp_POK|SVp_NOK)) &&
195 SvCUR(sv) == 1 &&
b15aece3 196 SvPVX_const(sv) && *SvPVX_const(sv) == '1' &&
3967c732
JD
197 SvNVX(sv) == 1.0)
198 goto finish;
7996736c
MHM
199 }
200 else {
201 sv_catpv(t, "SV_PLACEHOLDER");
202 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
203 SVs_GMG|SVs_SMG|SVs_RMG)) &&
204 SvREADONLY(sv))
205 goto finish;
3967c732
JD
206 }
207 sv_catpv(t, ":");
208 }
209 else if (SvREFCNT(sv) == 0) {
210 sv_catpv(t, "(");
211 unref++;
212 }
a3b4c9c6
DM
213 else if (DEBUG_R_TEST_) {
214 int is_tmp = 0;
215 I32 ix;
216 /* is this SV on the tmps stack? */
217 for (ix=PL_tmps_ix; ix>=0; ix--) {
218 if (PL_tmps_stack[ix] == sv) {
219 is_tmp = 1;
220 break;
221 }
222 }
223 if (SvREFCNT(sv) > 1)
224 Perl_sv_catpvf(aTHX_ t, "<%"UVuf"%s>", (UV)SvREFCNT(sv),
225 is_tmp ? "T" : "");
226 else if (is_tmp)
227 sv_catpv(t, "<T>");
04932ac8
DM
228 }
229
3967c732
JD
230 if (SvROK(sv)) {
231 sv_catpv(t, "\\");
232 if (SvCUR(t) + unref > 10) {
b162af07 233 SvCUR_set(t, unref + 3);
3967c732
JD
234 *SvEND(t) = '\0';
235 sv_catpv(t, "...");
236 goto finish;
237 }
238 sv = (SV*)SvRV(sv);
239 goto retry;
240 }
241 switch (SvTYPE(sv)) {
242 default:
243 sv_catpv(t, "FREED");
244 goto finish;
245
246 case SVt_NULL:
247 sv_catpv(t, "UNDEF");
248 goto finish;
249 case SVt_IV:
250 sv_catpv(t, "IV");
251 break;
252 case SVt_NV:
253 sv_catpv(t, "NV");
254 break;
255 case SVt_RV:
256 sv_catpv(t, "RV");
257 break;
258 case SVt_PV:
259 sv_catpv(t, "PV");
260 break;
261 case SVt_PVIV:
262 sv_catpv(t, "PVIV");
263 break;
264 case SVt_PVNV:
265 sv_catpv(t, "PVNV");
266 break;
267 case SVt_PVMG:
268 sv_catpv(t, "PVMG");
269 break;
270 case SVt_PVLV:
271 sv_catpv(t, "PVLV");
272 break;
273 case SVt_PVAV:
274 sv_catpv(t, "AV");
275 break;
276 case SVt_PVHV:
277 sv_catpv(t, "HV");
278 break;
279 case SVt_PVCV:
280 if (CvGV(sv))
cea2e8a9 281 Perl_sv_catpvf(aTHX_ t, "CV(%s)", GvNAME(CvGV(sv)));
3967c732
JD
282 else
283 sv_catpv(t, "CV()");
284 goto finish;
285 case SVt_PVGV:
286 sv_catpv(t, "GV");
287 break;
288 case SVt_PVBM:
289 sv_catpv(t, "BM");
290 break;
291 case SVt_PVFM:
292 sv_catpv(t, "FM");
293 break;
294 case SVt_PVIO:
295 sv_catpv(t, "IO");
296 break;
297 }
298
299 if (SvPOKp(sv)) {
b15aece3 300 if (!SvPVX_const(sv))
3967c732
JD
301 sv_catpv(t, "(null)");
302 else {
79cb57f6 303 SV *tmp = newSVpvn("", 0);
3967c732
JD
304 sv_catpv(t, "(");
305 if (SvOOK(sv))
b15aece3
SP
306 Perl_sv_catpvf(aTHX_ t, "[%s]", pv_display(tmp, SvPVX_const(sv)-SvIVX(sv), SvIVX(sv), 0, 127));
307 Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, SvPVX_const(sv), SvCUR(sv), SvLEN(sv), 127));
32639b87 308 if (SvUTF8(sv))
b2ff9928 309 Perl_sv_catpvf(aTHX_ t, " [UTF8 \"%s\"]",
c728cb41
JH
310 sv_uni_display(tmp, sv, 8 * sv_len_utf8(sv),
311 UNI_DISPLAY_QQ));
3967c732
JD
312 SvREFCNT_dec(tmp);
313 }
314 }
315 else if (SvNOKp(sv)) {
e54dc35b 316 STORE_NUMERIC_LOCAL_SET_STANDARD();
1779d84d 317 Perl_sv_catpvf(aTHX_ t, "(%"NVgf")",SvNVX(sv));
e54dc35b 318 RESTORE_NUMERIC_LOCAL();
3967c732 319 }
57def98f 320 else if (SvIOKp(sv)) {
cf2093f6 321 if (SvIsUV(sv))
57def98f 322 Perl_sv_catpvf(aTHX_ t, "(%"UVuf")", (UV)SvUVX(sv));
cf2093f6 323 else
57def98f 324 Perl_sv_catpvf(aTHX_ t, "(%"IVdf")", (IV)SvIVX(sv));
25da4f38 325 }
3967c732
JD
326 else
327 sv_catpv(t, "()");
2ef28da1 328
3967c732
JD
329 finish:
330 if (unref) {
331 while (unref--)
332 sv_catpv(t, ")");
333 }
2d8e6c8d 334 return SvPV(t, n_a);
3967c732
JD
335}
336
337void
6867be6d 338Perl_do_pmop_dump(pTHX_ I32 level, PerlIO *file, const PMOP *pm)
3967c732
JD
339{
340 char ch;
341
342 if (!pm) {
cea2e8a9 343 Perl_dump_indent(aTHX_ level, file, "{}\n");
3967c732
JD
344 return;
345 }
cea2e8a9 346 Perl_dump_indent(aTHX_ level, file, "{\n");
3967c732
JD
347 level++;
348 if (pm->op_pmflags & PMf_ONCE)
349 ch = '?';
350 else
351 ch = '/';
aaa362c4 352 if (PM_GETRE(pm))
cea2e8a9 353 Perl_dump_indent(aTHX_ level, file, "PMf_PRE %c%s%c%s\n",
aaa362c4 354 ch, PM_GETRE(pm)->precomp, ch,
3967c732
JD
355 (pm->op_private & OPpRUNTIME) ? " (RUNTIME)" : "");
356 else
cea2e8a9 357 Perl_dump_indent(aTHX_ level, file, "PMf_PRE (RUNTIME)\n");
3967c732 358 if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) {
cea2e8a9 359 Perl_dump_indent(aTHX_ level, file, "PMf_REPL = ");
3967c732
JD
360 op_dump(pm->op_pmreplroot);
361 }
aaa362c4 362 if (pm->op_pmflags || (PM_GETRE(pm) && PM_GETRE(pm)->check_substr)) {
79cb57f6 363 SV *tmpsv = newSVpvn("", 0);
3967c732
JD
364 if (pm->op_pmdynflags & PMdf_USED)
365 sv_catpv(tmpsv, ",USED");
366 if (pm->op_pmdynflags & PMdf_TAINTED)
367 sv_catpv(tmpsv, ",TAINTED");
368 if (pm->op_pmflags & PMf_ONCE)
369 sv_catpv(tmpsv, ",ONCE");
aaa362c4
RS
370 if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
371 && !(PM_GETRE(pm)->reganch & ROPT_NOSCAN))
3967c732 372 sv_catpv(tmpsv, ",SCANFIRST");
aaa362c4
RS
373 if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
374 && PM_GETRE(pm)->reganch & ROPT_CHECK_ALL)
3967c732
JD
375 sv_catpv(tmpsv, ",ALL");
376 if (pm->op_pmflags & PMf_SKIPWHITE)
377 sv_catpv(tmpsv, ",SKIPWHITE");
378 if (pm->op_pmflags & PMf_CONST)
379 sv_catpv(tmpsv, ",CONST");
380 if (pm->op_pmflags & PMf_KEEP)
381 sv_catpv(tmpsv, ",KEEP");
382 if (pm->op_pmflags & PMf_GLOBAL)
383 sv_catpv(tmpsv, ",GLOBAL");
384 if (pm->op_pmflags & PMf_CONTINUE)
385 sv_catpv(tmpsv, ",CONTINUE");
386 if (pm->op_pmflags & PMf_RETAINT)
387 sv_catpv(tmpsv, ",RETAINT");
388 if (pm->op_pmflags & PMf_EVAL)
389 sv_catpv(tmpsv, ",EVAL");
b15aece3 390 Perl_dump_indent(aTHX_ level, file, "PMFLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX_const(tmpsv) + 1 : "");
3967c732
JD
391 SvREFCNT_dec(tmpsv);
392 }
393
cea2e8a9 394 Perl_dump_indent(aTHX_ level-1, file, "}\n");
3967c732
JD
395}
396
397void
864dbfa3 398Perl_pmop_dump(pTHX_ PMOP *pm)
3967c732
JD
399{
400 do_pmop_dump(0, Perl_debug_log, pm);
79072805
LW
401}
402
2814eb74
PJ
403/* An op sequencer. We visit the ops in the order they're to execute. */
404
405STATIC void
6867be6d 406sequence(pTHX_ register const OP *o)
2814eb74 407{
27da23d5 408 dVAR;
2814eb74
PJ
409 SV *op;
410 char *key;
411 STRLEN len;
6867be6d
AL
412 const OP *oldop = 0;
413 OP *l;
2814eb74 414
2814eb74
PJ
415 if (!o)
416 return;
417
c0fd1b42 418 op = newSVuv(PTR2UV(o));
2814eb74
PJ
419 key = SvPV(op, len);
420 if (hv_exists(Sequence, key, len))
421 return;
422
423 for (; o; o = o->op_next) {
c0fd1b42 424 op = newSVuv(PTR2UV(o));
2814eb74
PJ
425 key = SvPV(op, len);
426 if (hv_exists(Sequence, key, len))
427 break;
428
429 switch (o->op_type) {
430 case OP_STUB:
431 if ((o->op_flags & OPf_WANT) != OPf_WANT_LIST) {
27da23d5 432 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
2814eb74
PJ
433 break;
434 }
435 goto nothin;
436 case OP_NULL:
437 if (oldop && o->op_next)
438 continue;
439 break;
440 case OP_SCALAR:
441 case OP_LINESEQ:
442 case OP_SCOPE:
443 nothin:
444 if (oldop && o->op_next)
445 continue;
27da23d5 446 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
2814eb74
PJ
447 break;
448
449 case OP_MAPWHILE:
450 case OP_GREPWHILE:
451 case OP_AND:
452 case OP_OR:
453 case OP_DOR:
454 case OP_ANDASSIGN:
455 case OP_ORASSIGN:
456 case OP_DORASSIGN:
457 case OP_COND_EXPR:
458 case OP_RANGE:
27da23d5 459 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
5411ce9f 460 for (l = cLOGOPo->op_other; l && l->op_type == OP_NULL; l = l->op_next)
2814eb74
PJ
461 ;
462 sequence(aTHX_ l);
463 break;
464
465 case OP_ENTERLOOP:
466 case OP_ENTERITER:
27da23d5 467 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
5411ce9f 468 for (l = cLOOPo->op_redoop; l && l->op_type == OP_NULL; l = l->op_next)
2814eb74
PJ
469 ;
470 sequence(aTHX_ l);
5411ce9f 471 for (l = cLOOPo->op_nextop; l && l->op_type == OP_NULL; l = l->op_next)
2814eb74
PJ
472 ;
473 sequence(aTHX_ l);
5411ce9f 474 for (l = cLOOPo->op_lastop; l && l->op_type == OP_NULL; l = l->op_next)
2814eb74
PJ
475 ;
476 sequence(aTHX_ l);
477 break;
478
479 case OP_QR:
480 case OP_MATCH:
481 case OP_SUBST:
27da23d5 482 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
5411ce9f 483 for (l = cPMOPo->op_pmreplstart; l && l->op_type == OP_NULL; l = l->op_next)
2814eb74
PJ
484 ;
485 sequence(aTHX_ l);
486 break;
487
488 case OP_HELEM:
489 break;
490
491 default:
27da23d5 492 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
2814eb74
PJ
493 break;
494 }
495 oldop = o;
496 }
497}
498
499STATIC UV
6867be6d 500sequence_num(pTHX_ const OP *o)
2814eb74 501{
27da23d5 502 dVAR;
2814eb74
PJ
503 SV *op,
504 **seq;
505 char *key;
506 STRLEN len;
507 if (!o) return 0;
c0fd1b42 508 op = newSVuv(PTR2UV(o));
2814eb74
PJ
509 key = SvPV(op, len);
510 seq = hv_fetch(Sequence, key, len, 0);
511 return seq ? SvUV(*seq): 0;
512}
513
79072805 514void
6867be6d 515Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, const OP *o)
79072805 516{
27da23d5 517 dVAR;
2814eb74
PJ
518 UV seq;
519 sequence(aTHX_ o);
cea2e8a9 520 Perl_dump_indent(aTHX_ level, file, "{\n");
3967c732 521 level++;
2814eb74
PJ
522 seq = sequence_num(aTHX_ o);
523 if (seq)
c0fd1b42 524 PerlIO_printf(file, "%-4"UVf, seq);
93a17b20 525 else
3967c732 526 PerlIO_printf(file, " ");
c8db6e60
JH
527 PerlIO_printf(file,
528 "%*sTYPE = %s ===> ",
53e06cf0 529 (int)(PL_dumpindent*level-4), "", OP_NAME(o));
2814eb74 530 if (o->op_next)
c0fd1b42
RB
531 PerlIO_printf(file, seq ? "%"UVf"\n" : "(%"UVf")\n",
532 sequence_num(aTHX_ o->op_next));
79072805 533 else
3967c732 534 PerlIO_printf(file, "DONE\n");
11343788 535 if (o->op_targ) {
acb36ea4 536 if (o->op_type == OP_NULL)
ae7d165c 537 {
cea2e8a9 538 Perl_dump_indent(aTHX_ level, file, " (was %s)\n", PL_op_name[o->op_targ]);
ae7d165c
PJ
539 if (o->op_targ == OP_NEXTSTATE)
540 {
541 if (CopLINE(cCOPo))
9d98dee5
RB
542 Perl_dump_indent(aTHX_ level, file, "LINE = %"UVf"\n",
543 (UV)CopLINE(cCOPo));
ae7d165c
PJ
544 if (CopSTASHPV(cCOPo))
545 Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
546 CopSTASHPV(cCOPo));
547 if (cCOPo->cop_label)
548 Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
549 cCOPo->cop_label);
550 }
551 }
8990e307 552 else
894356b3 553 Perl_dump_indent(aTHX_ level, file, "TARG = %ld\n", (long)o->op_targ);
8990e307 554 }
748a9306 555#ifdef DUMPADDR
57def98f 556 Perl_dump_indent(aTHX_ level, file, "ADDR = 0x%"UVxf" => 0x%"UVxf"\n", (UV)o, (UV)o->op_next);
79072805 557#endif
11343788 558 if (o->op_flags) {
79cb57f6 559 SV *tmpsv = newSVpvn("", 0);
5dc0d613 560 switch (o->op_flags & OPf_WANT) {
54310121 561 case OPf_WANT_VOID:
46fc3d4c 562 sv_catpv(tmpsv, ",VOID");
54310121
PP
563 break;
564 case OPf_WANT_SCALAR:
46fc3d4c 565 sv_catpv(tmpsv, ",SCALAR");
54310121
PP
566 break;
567 case OPf_WANT_LIST:
46fc3d4c 568 sv_catpv(tmpsv, ",LIST");
54310121
PP
569 break;
570 default:
46fc3d4c 571 sv_catpv(tmpsv, ",UNKNOWN");
54310121
PP
572 break;
573 }
11343788 574 if (o->op_flags & OPf_KIDS)
46fc3d4c 575 sv_catpv(tmpsv, ",KIDS");
11343788 576 if (o->op_flags & OPf_PARENS)
46fc3d4c 577 sv_catpv(tmpsv, ",PARENS");
11343788 578 if (o->op_flags & OPf_STACKED)
46fc3d4c 579 sv_catpv(tmpsv, ",STACKED");
11343788 580 if (o->op_flags & OPf_REF)
46fc3d4c 581 sv_catpv(tmpsv, ",REF");
11343788 582 if (o->op_flags & OPf_MOD)
46fc3d4c 583 sv_catpv(tmpsv, ",MOD");
11343788 584 if (o->op_flags & OPf_SPECIAL)
46fc3d4c 585 sv_catpv(tmpsv, ",SPECIAL");
b15aece3 586 Perl_dump_indent(aTHX_ level, file, "FLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX_const(tmpsv) + 1 : "");
46fc3d4c 587 SvREFCNT_dec(tmpsv);
79072805 588 }
11343788 589 if (o->op_private) {
79cb57f6 590 SV *tmpsv = newSVpvn("", 0);
07447971
GS
591 if (PL_opargs[o->op_type] & OA_TARGLEX) {
592 if (o->op_private & OPpTARGET_MY)
593 sv_catpv(tmpsv, ",TARGET_MY");
594 }
bf91b999
SC
595 else if (o->op_type == OP_LEAVESUB ||
596 o->op_type == OP_LEAVE ||
597 o->op_type == OP_LEAVESUBLV ||
598 o->op_type == OP_LEAVEWRITE) {
599 if (o->op_private & OPpREFCOUNTED)
600 sv_catpv(tmpsv, ",REFCOUNTED");
601 }
602 else if (o->op_type == OP_AASSIGN) {
11343788 603 if (o->op_private & OPpASSIGN_COMMON)
46fc3d4c 604 sv_catpv(tmpsv, ",COMMON");
8d063cd8 605 }
11343788
MB
606 else if (o->op_type == OP_SASSIGN) {
607 if (o->op_private & OPpASSIGN_BACKWARDS)
46fc3d4c 608 sv_catpv(tmpsv, ",BACKWARDS");
a0d0e21e 609 }
11343788
MB
610 else if (o->op_type == OP_TRANS) {
611 if (o->op_private & OPpTRANS_SQUASH)
46fc3d4c 612 sv_catpv(tmpsv, ",SQUASH");
11343788 613 if (o->op_private & OPpTRANS_DELETE)
46fc3d4c 614 sv_catpv(tmpsv, ",DELETE");
11343788 615 if (o->op_private & OPpTRANS_COMPLEMENT)
46fc3d4c 616 sv_catpv(tmpsv, ",COMPLEMENT");
bf91b999
SC
617 if (o->op_private & OPpTRANS_IDENTICAL)
618 sv_catpv(tmpsv, ",IDENTICAL");
619 if (o->op_private & OPpTRANS_GROWS)
620 sv_catpv(tmpsv, ",GROWS");
8d063cd8 621 }
11343788
MB
622 else if (o->op_type == OP_REPEAT) {
623 if (o->op_private & OPpREPEAT_DOLIST)
46fc3d4c 624 sv_catpv(tmpsv, ",DOLIST");
8d063cd8 625 }
11343788
MB
626 else if (o->op_type == OP_ENTERSUB ||
627 o->op_type == OP_RV2SV ||
23f1ca44 628 o->op_type == OP_GVSV ||
11343788
MB
629 o->op_type == OP_RV2AV ||
630 o->op_type == OP_RV2HV ||
631 o->op_type == OP_RV2GV ||
632 o->op_type == OP_AELEM ||
633 o->op_type == OP_HELEM )
85e6fe83 634 {
5dc0d613
MB
635 if (o->op_type == OP_ENTERSUB) {
636 if (o->op_private & OPpENTERSUB_AMPER)
46fc3d4c 637 sv_catpv(tmpsv, ",AMPER");
5dc0d613 638 if (o->op_private & OPpENTERSUB_DB)
46fc3d4c 639 sv_catpv(tmpsv, ",DB");
d3011074
IZ
640 if (o->op_private & OPpENTERSUB_HASTARG)
641 sv_catpv(tmpsv, ",HASTARG");
bf91b999
SC
642 if (o->op_private & OPpENTERSUB_NOPAREN)
643 sv_catpv(tmpsv, ",NOPAREN");
644 if (o->op_private & OPpENTERSUB_INARGS)
645 sv_catpv(tmpsv, ",INARGS");
95f0a2f1
SB
646 if (o->op_private & OPpENTERSUB_NOMOD)
647 sv_catpv(tmpsv, ",NOMOD");
68dc0745 648 }
bf91b999 649 else {
d3011074 650 switch (o->op_private & OPpDEREF) {
5f05dabc 651 case OPpDEREF_SV:
46fc3d4c 652 sv_catpv(tmpsv, ",SV");
5f05dabc
PP
653 break;
654 case OPpDEREF_AV:
46fc3d4c 655 sv_catpv(tmpsv, ",AV");
5f05dabc
PP
656 break;
657 case OPpDEREF_HV:
46fc3d4c 658 sv_catpv(tmpsv, ",HV");
5f05dabc
PP
659 break;
660 }
bf91b999
SC
661 if (o->op_private & OPpMAYBE_LVSUB)
662 sv_catpv(tmpsv, ",MAYBE_LVSUB");
663 }
5dc0d613
MB
664 if (o->op_type == OP_AELEM || o->op_type == OP_HELEM) {
665 if (o->op_private & OPpLVAL_DEFER)
46fc3d4c 666 sv_catpv(tmpsv, ",LVAL_DEFER");
68dc0745
PP
667 }
668 else {
5dc0d613 669 if (o->op_private & HINT_STRICT_REFS)
46fc3d4c 670 sv_catpv(tmpsv, ",STRICT_REFS");
192587c2
GS
671 if (o->op_private & OPpOUR_INTRO)
672 sv_catpv(tmpsv, ",OUR_INTRO");
68dc0745 673 }
8d063cd8 674 }
11343788
MB
675 else if (o->op_type == OP_CONST) {
676 if (o->op_private & OPpCONST_BARE)
46fc3d4c 677 sv_catpv(tmpsv, ",BARE");
7a52d87a
GS
678 if (o->op_private & OPpCONST_STRICT)
679 sv_catpv(tmpsv, ",STRICT");
bf91b999
SC
680 if (o->op_private & OPpCONST_ARYBASE)
681 sv_catpv(tmpsv, ",ARYBASE");
682 if (o->op_private & OPpCONST_WARNING)
683 sv_catpv(tmpsv, ",WARNING");
684 if (o->op_private & OPpCONST_ENTERED)
685 sv_catpv(tmpsv, ",ENTERED");
79072805 686 }
11343788
MB
687 else if (o->op_type == OP_FLIP) {
688 if (o->op_private & OPpFLIP_LINENUM)
46fc3d4c 689 sv_catpv(tmpsv, ",LINENUM");
79072805 690 }
11343788
MB
691 else if (o->op_type == OP_FLOP) {
692 if (o->op_private & OPpFLIP_LINENUM)
46fc3d4c 693 sv_catpv(tmpsv, ",LINENUM");
95f0a2f1
SB
694 }
695 else if (o->op_type == OP_RV2CV) {
cd06dffe
GS
696 if (o->op_private & OPpLVAL_INTRO)
697 sv_catpv(tmpsv, ",INTRO");
79072805 698 }
bf91b999
SC
699 else if (o->op_type == OP_GV) {
700 if (o->op_private & OPpEARLY_CV)
701 sv_catpv(tmpsv, ",EARLY_CV");
702 }
703 else if (o->op_type == OP_LIST) {
704 if (o->op_private & OPpLIST_GUESSED)
705 sv_catpv(tmpsv, ",GUESSED");
706 }
707 else if (o->op_type == OP_DELETE) {
708 if (o->op_private & OPpSLICE)
709 sv_catpv(tmpsv, ",SLICE");
710 }
711 else if (o->op_type == OP_EXISTS) {
712 if (o->op_private & OPpEXISTS_SUB)
713 sv_catpv(tmpsv, ",EXISTS_SUB");
714 }
715 else if (o->op_type == OP_SORT) {
716 if (o->op_private & OPpSORT_NUMERIC)
717 sv_catpv(tmpsv, ",NUMERIC");
718 if (o->op_private & OPpSORT_INTEGER)
719 sv_catpv(tmpsv, ",INTEGER");
720 if (o->op_private & OPpSORT_REVERSE)
721 sv_catpv(tmpsv, ",REVERSE");
722 }
723 else if (o->op_type == OP_THREADSV) {
724 if (o->op_private & OPpDONE_SVREF)
725 sv_catpv(tmpsv, ",SVREF");
726 }
727 else if (o->op_type == OP_OPEN || o->op_type == OP_BACKTICK) {
728 if (o->op_private & OPpOPEN_IN_RAW)
729 sv_catpv(tmpsv, ",IN_RAW");
730 if (o->op_private & OPpOPEN_IN_CRLF)
731 sv_catpv(tmpsv, ",IN_CRLF");
732 if (o->op_private & OPpOPEN_OUT_RAW)
733 sv_catpv(tmpsv, ",OUT_RAW");
734 if (o->op_private & OPpOPEN_OUT_CRLF)
735 sv_catpv(tmpsv, ",OUT_CRLF");
736 }
737 else if (o->op_type == OP_EXIT) {
738 if (o->op_private & OPpEXIT_VMSISH)
96e176bf
CL
739 sv_catpv(tmpsv, ",EXIT_VMSISH");
740 if (o->op_private & OPpHUSH_VMSISH)
741 sv_catpv(tmpsv, ",HUSH_VMSISH");
742 }
743 else if (o->op_type == OP_DIE) {
744 if (o->op_private & OPpHUSH_VMSISH)
745 sv_catpv(tmpsv, ",HUSH_VMSISH");
bf91b999 746 }
fbb0b3b3
RGS
747 else if (PL_check[o->op_type] != MEMBER_TO_FPTR(Perl_ck_ftst)) {
748 if (OP_IS_FILETEST_ACCESS(o) && o->op_private & OPpFT_ACCESS)
749 sv_catpv(tmpsv, ",FT_ACCESS");
750 if (o->op_private & OPpFT_STACKED)
751 sv_catpv(tmpsv, ",FT_STACKED");
1af34c76 752 }
11343788 753 if (o->op_flags & OPf_MOD && o->op_private & OPpLVAL_INTRO)
46fc3d4c
PP
754 sv_catpv(tmpsv, ",INTRO");
755 if (SvCUR(tmpsv))
b15aece3 756 Perl_dump_indent(aTHX_ level, file, "PRIVATE = (%s)\n", SvPVX_const(tmpsv) + 1);
46fc3d4c 757 SvREFCNT_dec(tmpsv);
8d063cd8 758 }
8d063cd8 759
11343788 760 switch (o->op_type) {
971a9dd3 761 case OP_AELEMFAST:
93a17b20 762 case OP_GVSV:
79072805 763 case OP_GV:
971a9dd3 764#ifdef USE_ITHREADS
c803eecc 765 Perl_dump_indent(aTHX_ level, file, "PADIX = %" IVdf "\n", (IV)cPADOPo->op_padix);
971a9dd3 766#else
38c076c7
DM
767 if ( ! PL_op->op_flags & OPf_SPECIAL) { /* not lexical */
768 if (cSVOPo->op_sv) {
769 SV *tmpsv = NEWSV(0,0);
770 STRLEN n_a;
771 ENTER;
772 SAVEFREESV(tmpsv);
773 gv_fullname3(tmpsv, (GV*)cSVOPo->op_sv, Nullch);
774 Perl_dump_indent(aTHX_ level, file, "GV = %s\n", SvPV(tmpsv, n_a));
775 LEAVE;
776 }
777 else
778 Perl_dump_indent(aTHX_ level, file, "GV = NULL\n");
378cc40b 779 }
971a9dd3 780#endif
79072805
LW
781 break;
782 case OP_CONST:
f5d5a27c 783 case OP_METHOD_NAMED:
b6a15bc5
DM
784#ifndef USE_ITHREADS
785 /* with ITHREADS, consts are stored in the pad, and the right pad
786 * may not be active here, so skip */
3848b962 787 Perl_dump_indent(aTHX_ level, file, "SV = %s\n", SvPEEK(cSVOPo_sv));
b6a15bc5 788#endif
79072805 789 break;
7399586d 790 case OP_SETSTATE:
93a17b20
LW
791 case OP_NEXTSTATE:
792 case OP_DBSTATE:
57843af0 793 if (CopLINE(cCOPo))
9d98dee5
RB
794 Perl_dump_indent(aTHX_ level, file, "LINE = %"UVf"\n",
795 (UV)CopLINE(cCOPo));
ed094faf
GS
796 if (CopSTASHPV(cCOPo))
797 Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
798 CopSTASHPV(cCOPo));
11343788 799 if (cCOPo->cop_label)
ed094faf
GS
800 Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
801 cCOPo->cop_label);
79072805
LW
802 break;
803 case OP_ENTERLOOP:
cea2e8a9 804 Perl_dump_indent(aTHX_ level, file, "REDO ===> ");
11343788 805 if (cLOOPo->op_redoop)
c0fd1b42 806 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOOPo->op_redoop));
79072805 807 else
3967c732 808 PerlIO_printf(file, "DONE\n");
cea2e8a9 809 Perl_dump_indent(aTHX_ level, file, "NEXT ===> ");
11343788 810 if (cLOOPo->op_nextop)
c0fd1b42 811 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOOPo->op_nextop));
79072805 812 else
3967c732 813 PerlIO_printf(file, "DONE\n");
cea2e8a9 814 Perl_dump_indent(aTHX_ level, file, "LAST ===> ");
11343788 815 if (cLOOPo->op_lastop)
c0fd1b42 816 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOOPo->op_lastop));
79072805 817 else
3967c732 818 PerlIO_printf(file, "DONE\n");
79072805
LW
819 break;
820 case OP_COND_EXPR:
1a67a97c 821 case OP_RANGE:
a0d0e21e 822 case OP_MAPWHILE:
79072805
LW
823 case OP_GREPWHILE:
824 case OP_OR:
825 case OP_AND:
cea2e8a9 826 Perl_dump_indent(aTHX_ level, file, "OTHER ===> ");
11343788 827 if (cLOGOPo->op_other)
c0fd1b42 828 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOGOPo->op_other));
79072805 829 else
3967c732 830 PerlIO_printf(file, "DONE\n");
79072805
LW
831 break;
832 case OP_PUSHRE:
833 case OP_MATCH:
8782bef2 834 case OP_QR:
79072805 835 case OP_SUBST:
3967c732 836 do_pmop_dump(level, file, cPMOPo);
79072805 837 break;
7934575e
GS
838 case OP_LEAVE:
839 case OP_LEAVEEVAL:
840 case OP_LEAVESUB:
841 case OP_LEAVESUBLV:
842 case OP_LEAVEWRITE:
843 case OP_SCOPE:
844 if (o->op_private & OPpREFCOUNTED)
845 Perl_dump_indent(aTHX_ level, file, "REFCNT = %"UVuf"\n", (UV)o->op_targ);
846 break;
a0d0e21e
LW
847 default:
848 break;
79072805 849 }
11343788 850 if (o->op_flags & OPf_KIDS) {
79072805 851 OP *kid;
11343788 852 for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
3967c732 853 do_op_dump(level, file, kid);
8d063cd8 854 }
cea2e8a9 855 Perl_dump_indent(aTHX_ level-1, file, "}\n");
3967c732
JD
856}
857
858void
6867be6d 859Perl_op_dump(pTHX_ const OP *o)
3967c732
JD
860{
861 do_op_dump(0, Perl_debug_log, o);
8d063cd8
LW
862}
863
8adcabd8 864void
864dbfa3 865Perl_gv_dump(pTHX_ GV *gv)
378cc40b 866{
79072805 867 SV *sv;
378cc40b 868
79072805 869 if (!gv) {
760ac839 870 PerlIO_printf(Perl_debug_log, "{}\n");
378cc40b
LW
871 return;
872 }
8990e307 873 sv = sv_newmortal();
760ac839 874 PerlIO_printf(Perl_debug_log, "{\n");
f6aff53a 875 gv_fullname3(sv, gv, Nullch);
b15aece3 876 Perl_dump_indent(aTHX_ 1, Perl_debug_log, "GV_NAME = %s", SvPVX_const(sv));
79072805 877 if (gv != GvEGV(gv)) {
f6aff53a 878 gv_efullname3(sv, GvEGV(gv), Nullch);
b15aece3 879 Perl_dump_indent(aTHX_ 1, Perl_debug_log, "-> %s", SvPVX_const(sv));
8adcabd8 880 }
3967c732 881 PerlIO_putc(Perl_debug_log, '\n');
cea2e8a9 882 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "}\n");
8d063cd8
LW
883}
884
14befaf4 885
afe38520 886/* map magic types to the symbolic names
14befaf4
DM
887 * (with the PERL_MAGIC_ prefixed stripped)
888 */
889
27da23d5 890static const struct { const char type; const char *name; } magic_names[] = {
516a5887
JH
891 { PERL_MAGIC_sv, "sv(\\0)" },
892 { PERL_MAGIC_arylen, "arylen(#)" },
ca732855 893 { PERL_MAGIC_rhash, "rhash(%)" },
516a5887
JH
894 { PERL_MAGIC_glob, "glob(*)" },
895 { PERL_MAGIC_pos, "pos(.)" },
8d2f4536 896 { PERL_MAGIC_symtab, "symtab(:)" },
516a5887 897 { PERL_MAGIC_backref, "backref(<)" },
a3874608 898 { PERL_MAGIC_arylen_p, "arylen_p(@)" },
516a5887
JH
899 { PERL_MAGIC_overload, "overload(A)" },
900 { PERL_MAGIC_bm, "bm(B)" },
901 { PERL_MAGIC_regdata, "regdata(D)" },
902 { PERL_MAGIC_env, "env(E)" },
903 { PERL_MAGIC_isa, "isa(I)" },
904 { PERL_MAGIC_dbfile, "dbfile(L)" },
afe38520 905 { PERL_MAGIC_shared, "shared(N)" },
516a5887
JH
906 { PERL_MAGIC_tied, "tied(P)" },
907 { PERL_MAGIC_sig, "sig(S)" },
908 { PERL_MAGIC_uvar, "uvar(U)" },
909 { PERL_MAGIC_overload_elem, "overload_elem(a)" },
910 { PERL_MAGIC_overload_table, "overload_table(c)" },
911 { PERL_MAGIC_regdatum, "regdatum(d)" },
912 { PERL_MAGIC_envelem, "envelem(e)" },
913 { PERL_MAGIC_fm, "fm(f)" },
914 { PERL_MAGIC_regex_global, "regex_global(g)" },
915 { PERL_MAGIC_isaelem, "isaelem(i)" },
916 { PERL_MAGIC_nkeys, "nkeys(k)" },
917 { PERL_MAGIC_dbline, "dbline(l)" },
918 { PERL_MAGIC_mutex, "mutex(m)" },
afe38520 919 { PERL_MAGIC_shared_scalar, "shared_scalar(n)" },
516a5887
JH
920 { PERL_MAGIC_collxfrm, "collxfrm(o)" },
921 { PERL_MAGIC_tiedelem, "tiedelem(p)" },
922 { PERL_MAGIC_tiedscalar, "tiedscalar(q)" },
923 { PERL_MAGIC_qr, "qr(r)" },
924 { PERL_MAGIC_sigelem, "sigelem(s)" },
925 { PERL_MAGIC_taint, "taint(t)" },
afe38520 926 { PERL_MAGIC_uvar_elem, "uvar_elem(v)" },
516a5887 927 { PERL_MAGIC_vec, "vec(v)" },
cb50f42d 928 { PERL_MAGIC_vstring, "vstring(V)" },
7e8c5dac 929 { PERL_MAGIC_utf8, "utf8(w)" },
516a5887
JH
930 { PERL_MAGIC_substr, "substr(x)" },
931 { PERL_MAGIC_defelem, "defelem(y)" },
932 { PERL_MAGIC_ext, "ext(~)" },
933 /* this null string terminates the list */
934 { 0, 0 },
14befaf4
DM
935};
936
8adcabd8 937void
6867be6d 938Perl_do_magic_dump(pTHX_ I32 level, PerlIO *file, const MAGIC *mg, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
8d063cd8 939{
3967c732 940 for (; mg; mg = mg->mg_moremagic) {
b900a521
JH
941 Perl_dump_indent(aTHX_ level, file,
942 " MAGIC = 0x%"UVxf"\n", PTR2UV(mg));
3967c732 943 if (mg->mg_virtual) {
bfed75c6
AL
944 const MGVTBL * const v = mg->mg_virtual;
945 const char *s = 0;
3967c732
JD
946 if (v == &PL_vtbl_sv) s = "sv";
947 else if (v == &PL_vtbl_env) s = "env";
948 else if (v == &PL_vtbl_envelem) s = "envelem";
949 else if (v == &PL_vtbl_sig) s = "sig";
950 else if (v == &PL_vtbl_sigelem) s = "sigelem";
951 else if (v == &PL_vtbl_pack) s = "pack";
952 else if (v == &PL_vtbl_packelem) s = "packelem";
953 else if (v == &PL_vtbl_dbline) s = "dbline";
954 else if (v == &PL_vtbl_isa) s = "isa";
955 else if (v == &PL_vtbl_arylen) s = "arylen";
956 else if (v == &PL_vtbl_glob) s = "glob";
957 else if (v == &PL_vtbl_mglob) s = "mglob";
958 else if (v == &PL_vtbl_nkeys) s = "nkeys";
959 else if (v == &PL_vtbl_taint) s = "taint";
960 else if (v == &PL_vtbl_substr) s = "substr";
961 else if (v == &PL_vtbl_vec) s = "vec";
962 else if (v == &PL_vtbl_pos) s = "pos";
963 else if (v == &PL_vtbl_bm) s = "bm";
964 else if (v == &PL_vtbl_fm) s = "fm";
965 else if (v == &PL_vtbl_uvar) s = "uvar";
966 else if (v == &PL_vtbl_defelem) s = "defelem";
967#ifdef USE_LOCALE_COLLATE
968 else if (v == &PL_vtbl_collxfrm) s = "collxfrm";
969#endif
3967c732
JD
970 else if (v == &PL_vtbl_amagic) s = "amagic";
971 else if (v == &PL_vtbl_amagicelem) s = "amagicelem";
810b8aa5 972 else if (v == &PL_vtbl_backref) s = "backref";
7e8c5dac 973 else if (v == &PL_vtbl_utf8) s = "utf8";
3967c732 974 if (s)
cea2e8a9 975 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = &PL_vtbl_%s\n", s);
3967c732 976 else
b900a521 977 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0x%"UVxf"\n", PTR2UV(v));
3967c732
JD
978 }
979 else
cea2e8a9 980 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0\n");
8d063cd8 981
3967c732 982 if (mg->mg_private)
cea2e8a9 983 Perl_dump_indent(aTHX_ level, file, " MG_PRIVATE = %d\n", mg->mg_private);
3967c732 984
14befaf4
DM
985 {
986 int n;
e1ec3a88 987 const char *name = 0;
27da23d5 988 for (n = 0; magic_names[n].name; n++) {
14befaf4
DM
989 if (mg->mg_type == magic_names[n].type) {
990 name = magic_names[n].name;
991 break;
992 }
993 }
994 if (name)
995 Perl_dump_indent(aTHX_ level, file,
996 " MG_TYPE = PERL_MAGIC_%s\n", name);
997 else
998 Perl_dump_indent(aTHX_ level, file,
999 " MG_TYPE = UNKNOWN(\\%o)\n", mg->mg_type);
1000 }
3967c732
JD
1001
1002 if (mg->mg_flags) {
cea2e8a9 1003 Perl_dump_indent(aTHX_ level, file, " MG_FLAGS = 0x%02X\n", mg->mg_flags);
cb50f42d
YST
1004 if (mg->mg_type == PERL_MAGIC_envelem &&
1005 mg->mg_flags & MGf_TAINTEDDIR)
cea2e8a9 1006 Perl_dump_indent(aTHX_ level, file, " TAINTEDDIR\n");
3967c732 1007 if (mg->mg_flags & MGf_REFCOUNTED)
cea2e8a9 1008 Perl_dump_indent(aTHX_ level, file, " REFCOUNTED\n");
3967c732 1009 if (mg->mg_flags & MGf_GSKIP)
cea2e8a9 1010 Perl_dump_indent(aTHX_ level, file, " GSKIP\n");
cb50f42d
YST
1011 if (mg->mg_type == PERL_MAGIC_regex_global &&
1012 mg->mg_flags & MGf_MINMATCH)
cea2e8a9 1013 Perl_dump_indent(aTHX_ level, file, " MINMATCH\n");
3967c732
JD
1014 }
1015 if (mg->mg_obj) {
b900a521 1016 Perl_dump_indent(aTHX_ level, file, " MG_OBJ = 0x%"UVxf"\n", PTR2UV(mg->mg_obj));
3967c732
JD
1017 if (mg->mg_flags & MGf_REFCOUNTED)
1018 do_sv_dump(level+2, file, mg->mg_obj, nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
1019 }
1020 if (mg->mg_len)
894356b3 1021 Perl_dump_indent(aTHX_ level, file, " MG_LEN = %ld\n", (long)mg->mg_len);
3967c732 1022 if (mg->mg_ptr) {
b900a521 1023 Perl_dump_indent(aTHX_ level, file, " MG_PTR = 0x%"UVxf, PTR2UV(mg->mg_ptr));
3967c732 1024 if (mg->mg_len >= 0) {
7e8c5dac
HS
1025 if (mg->mg_type != PERL_MAGIC_utf8) {
1026 SV *sv = newSVpvn("", 0);
1027 PerlIO_printf(file, " %s", pv_display(sv, mg->mg_ptr, mg->mg_len, 0, pvlim));
1028 SvREFCNT_dec(sv);
1029 }
3967c732
JD
1030 }
1031 else if (mg->mg_len == HEf_SVKEY) {
1032 PerlIO_puts(file, " => HEf_SVKEY\n");
1033 do_sv_dump(level+2, file, (SV*)((mg)->mg_ptr), nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
1034 continue;
1035 }
1036 else
1037 PerlIO_puts(file, " ???? - please notify IZ");
1038 PerlIO_putc(file, '\n');
1039 }
7e8c5dac
HS
1040 if (mg->mg_type == PERL_MAGIC_utf8) {
1041 STRLEN *cache = (STRLEN *) mg->mg_ptr;
1042 if (cache) {
1043 IV i;
1044 for (i = 0; i < PERL_MAGIC_UTF8_CACHESIZE; i++)
1045 Perl_dump_indent(aTHX_ level, file,
1046 " %2"IVdf": %"UVuf" -> %"UVuf"\n",
1047 i,
1048 (UV)cache[i * 2],
1049 (UV)cache[i * 2 + 1]);
1050 }
1051 }
378cc40b 1052 }
3967c732
JD
1053}
1054
1055void
6867be6d 1056Perl_magic_dump(pTHX_ const MAGIC *mg)
3967c732
JD
1057{
1058 do_magic_dump(0, Perl_debug_log, mg, 0, 0, 0, 0);
1059}
1060
1061void
e1ec3a88 1062Perl_do_hv_dump(pTHX_ I32 level, PerlIO *file, const char *name, HV *sv)
3967c732 1063{
bfcb3514 1064 const char *hvname;
b900a521 1065 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
bfcb3514
NC
1066 if (sv && (hvname = HvNAME_get(sv)))
1067 PerlIO_printf(file, "\t\"%s\"\n", hvname);
79072805 1068 else
3967c732
JD
1069 PerlIO_putc(file, '\n');
1070}
1071
1072void
e1ec3a88 1073Perl_do_gv_dump(pTHX_ I32 level, PerlIO *file, const char *name, GV *sv)
3967c732 1074{
b900a521 1075 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
3967c732
JD
1076 if (sv && GvNAME(sv))
1077 PerlIO_printf(file, "\t\"%s\"\n", GvNAME(sv));
c90c0ff4 1078 else
3967c732
JD
1079 PerlIO_putc(file, '\n');
1080}
1081
1082void
e1ec3a88 1083Perl_do_gvgv_dump(pTHX_ I32 level, PerlIO *file, const char *name, GV *sv)
3967c732 1084{
b900a521 1085 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
3967c732 1086 if (sv && GvNAME(sv)) {
bfcb3514 1087 const char *hvname;
3967c732 1088 PerlIO_printf(file, "\t\"");
bfcb3514
NC
1089 if (GvSTASH(sv) && (hvname = HvNAME_get(GvSTASH(sv))))
1090 PerlIO_printf(file, "%s\" :: \"", hvname);
3967c732 1091 PerlIO_printf(file, "%s\"\n", GvNAME(sv));
8d063cd8 1092 }
3967c732
JD
1093 else
1094 PerlIO_putc(file, '\n');
1095}
1096
1097void
864dbfa3 1098Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
3967c732 1099{
cea89e20 1100 SV *d;
e1ec3a88 1101 const char *s;
3967c732
JD
1102 U32 flags;
1103 U32 type;
1104
1105 if (!sv) {
cea2e8a9 1106 Perl_dump_indent(aTHX_ level, file, "SV = 0\n");
3967c732 1107 return;
378cc40b 1108 }
2ef28da1 1109
3967c732
JD
1110 flags = SvFLAGS(sv);
1111 type = SvTYPE(sv);
79072805 1112
cea89e20 1113 d = Perl_newSVpvf(aTHX_
57def98f 1114 "(0x%"UVxf") at 0x%"UVxf"\n%*s REFCNT = %"IVdf"\n%*s FLAGS = (",
56431972 1115 PTR2UV(SvANY(sv)), PTR2UV(sv),
894356b3
GS
1116 (int)(PL_dumpindent*level), "", (IV)SvREFCNT(sv),
1117 (int)(PL_dumpindent*level), "");
8d063cd8 1118
d9d18af6 1119 if (flags & SVs_PADSTALE) sv_catpv(d, "PADSTALE,");
3967c732
JD
1120 if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,");
1121 if (flags & SVs_PADMY) sv_catpv(d, "PADMY,");
1122 if (flags & SVs_TEMP) sv_catpv(d, "TEMP,");
1123 if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,");
1124 if (flags & SVs_GMG) sv_catpv(d, "GMG,");
1125 if (flags & SVs_SMG) sv_catpv(d, "SMG,");
1126 if (flags & SVs_RMG) sv_catpv(d, "RMG,");
4db58590 1127
3967c732
JD
1128 if (flags & SVf_IOK) sv_catpv(d, "IOK,");
1129 if (flags & SVf_NOK) sv_catpv(d, "NOK,");
1130 if (flags & SVf_POK) sv_catpv(d, "POK,");
810b8aa5
GS
1131 if (flags & SVf_ROK) {
1132 sv_catpv(d, "ROK,");
1133 if (SvWEAKREF(sv)) sv_catpv(d, "WEAKREF,");
1134 }
3967c732
JD
1135 if (flags & SVf_OOK) sv_catpv(d, "OOK,");
1136 if (flags & SVf_FAKE) sv_catpv(d, "FAKE,");
1137 if (flags & SVf_READONLY) sv_catpv(d, "READONLY,");
4db58590 1138
afce8e55
NC
1139 if (flags & SVf_AMAGIC && type != SVt_PVHV)
1140 sv_catpv(d, "OVERLOAD,");
3967c732
JD
1141 if (flags & SVp_IOK) sv_catpv(d, "pIOK,");
1142 if (flags & SVp_NOK) sv_catpv(d, "pNOK,");
1143 if (flags & SVp_POK) sv_catpv(d, "pPOK,");
9660f481
DM
1144 if (flags & SVp_SCREAM && type != SVt_PVHV)
1145 sv_catpv(d, "SCREAM,");
3967c732
JD
1146
1147 switch (type) {
1148 case SVt_PVCV:
1149 case SVt_PVFM:
1150 if (CvANON(sv)) sv_catpv(d, "ANON,");
1151 if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
1152 if (CvCLONE(sv)) sv_catpv(d, "CLONE,");
1153 if (CvCLONED(sv)) sv_catpv(d, "CLONED,");
de3f1649 1154 if (CvCONST(sv)) sv_catpv(d, "CONST,");
3967c732 1155 if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
25da4f38 1156 if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,");
18f7acf9
TJ
1157 if (CvLVALUE(sv)) sv_catpv(d, "LVALUE,");
1158 if (CvMETHOD(sv)) sv_catpv(d, "METHOD,");
662a8415 1159 if (CvLOCKED(sv)) sv_catpv(d, "LOCKED,");
7dafbf52 1160 if (CvWEAKOUTSIDE(sv)) sv_catpv(d, "WEAKOUTSIDE,");
06492da6 1161 if (CvASSERTION(sv)) sv_catpv(d, "ASSERTION,");
3967c732
JD
1162 break;
1163 case SVt_PVHV:
1164 if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,");
1165 if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,");
19692e8d 1166 if (HvHASKFLAGS(sv)) sv_catpv(d, "HASKFLAGS,");
afce8e55 1167 if (HvREHASH(sv)) sv_catpv(d, "REHASH,");
9660f481 1168 if (flags & SVphv_CLONEABLE) sv_catpv(d, "CLONEABLE,");
3967c732 1169 break;
4ce457a6 1170 case SVt_PVGV: case SVt_PVLV:
3967c732
JD
1171 if (GvINTRO(sv)) sv_catpv(d, "INTRO,");
1172 if (GvMULTI(sv)) sv_catpv(d, "MULTI,");
7fb37951 1173 if (GvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
3967c732 1174 if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,");
12c18039 1175 if (GvIN_PAD(sv)) sv_catpv(d, "IN_PAD,");
addd1794 1176 if (flags & SVpad_OUR) sv_catpv(d, "OUR,");
3967c732
JD
1177 if (GvIMPORTED(sv)) {
1178 sv_catpv(d, "IMPORT");
1179 if (GvIMPORTED(sv) == GVf_IMPORTED)
1180 sv_catpv(d, "ALL,");
1181 else {
1182 sv_catpv(d, "(");
1183 if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV");
1184 if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV");
1185 if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV");
1186 if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV");
1187 sv_catpv(d, " ),");
1188 }
1189 }
addd1794 1190 /* FALL THROUGH */
25da4f38
IZ
1191 default:
1192 if (SvEVALED(sv)) sv_catpv(d, "EVALED,");
1193 if (SvIsUV(sv)) sv_catpv(d, "IsUV,");
1194 break;
3967c732
JD
1195 case SVt_PVBM:
1196 if (SvTAIL(sv)) sv_catpv(d, "TAIL,");
25da4f38 1197 if (SvVALID(sv)) sv_catpv(d, "VALID,");
3967c732 1198 break;
addd1794
AMS
1199 case SVt_PVMG:
1200 if (flags & SVpad_TYPED)
1201 sv_catpv(d, "TYPED,");
1202 break;
11ca45c0
NC
1203 case SVt_PVAV:
1204 break;
3967c732 1205 }
86f0d186
NC
1206 /* SVphv_SHAREKEYS is also 0x20000000 */
1207 if ((type != SVt_PVHV) && SvUTF8(sv))
9fe74ede 1208 sv_catpv(d, "UTF8");
3967c732 1209
b162af07
SP
1210 if (*(SvEND(d) - 1) == ',') {
1211 SvCUR_set(d, SvCUR(d) - 1);
1212 SvPVX(d)[SvCUR(d)] = '\0';
1213 }
3967c732 1214 sv_catpv(d, ")");
b15aece3 1215 s = SvPVX_const(d);
3967c732 1216
fd0854ff
DM
1217#ifdef DEBUG_LEAKING_SCALARS
1218 Perl_dump_indent(aTHX_ level, file, "ALLOCATED at %s:%d %s %s%s\n",
1219 sv->sv_debug_file ? sv->sv_debug_file : "(unknown)",
1220 sv->sv_debug_line,
1221 sv->sv_debug_inpad ? "for" : "by",
1222 sv->sv_debug_optype ? PL_op_name[sv->sv_debug_optype]: "(none)",
1223 sv->sv_debug_cloned ? " (cloned)" : "");
1224#endif
cea2e8a9 1225 Perl_dump_indent(aTHX_ level, file, "SV = ");
3967c732
JD
1226 switch (type) {
1227 case SVt_NULL:
1228 PerlIO_printf(file, "NULL%s\n", s);
cea89e20 1229 SvREFCNT_dec(d);
3967c732
JD
1230 return;
1231 case SVt_IV:
1232 PerlIO_printf(file, "IV%s\n", s);
1233 break;
1234 case SVt_NV:
1235 PerlIO_printf(file, "NV%s\n", s);
1236 break;
1237 case SVt_RV:
1238 PerlIO_printf(file, "RV%s\n", s);
1239 break;
1240 case SVt_PV:
1241 PerlIO_printf(file, "PV%s\n", s);
1242 break;
1243 case SVt_PVIV:
1244 PerlIO_printf(file, "PVIV%s\n", s);
1245 break;
1246 case SVt_PVNV:
1247 PerlIO_printf(file, "PVNV%s\n", s);
1248 break;
1249 case SVt_PVBM:
1250 PerlIO_printf(file, "PVBM%s\n", s);
1251 break;
1252 case SVt_PVMG:
1253 PerlIO_printf(file, "PVMG%s\n", s);
1254 break;
1255 case SVt_PVLV:
1256 PerlIO_printf(file, "PVLV%s\n", s);
1257 break;
1258 case SVt_PVAV:
1259 PerlIO_printf(file, "PVAV%s\n", s);
1260 break;
1261 case SVt_PVHV:
1262 PerlIO_printf(file, "PVHV%s\n", s);
1263 break;
1264 case SVt_PVCV:
1265 PerlIO_printf(file, "PVCV%s\n", s);
1266 break;
1267 case SVt_PVGV:
1268 PerlIO_printf(file, "PVGV%s\n", s);
1269 break;
1270 case SVt_PVFM:
1271 PerlIO_printf(file, "PVFM%s\n", s);
1272 break;
1273 case SVt_PVIO:
1274 PerlIO_printf(file, "PVIO%s\n", s);
1275 break;
1276 default:
faccc32b 1277 PerlIO_printf(file, "UNKNOWN(0x%"UVxf") %s\n", (UV)type, s);
cea89e20 1278 SvREFCNT_dec(d);
3967c732
JD
1279 return;
1280 }
e4305a63
NC
1281 if ((type >= SVt_PVIV && type != SVt_PVAV && type != SVt_PVHV)
1282 || type == SVt_IV) {
765f542d 1283 if (SvIsUV(sv)
f8c7b90f 1284#ifdef PERL_OLD_COPY_ON_WRITE
765f542d
NC
1285 || SvIsCOW(sv)
1286#endif
1287 )
57def98f 1288 Perl_dump_indent(aTHX_ level, file, " UV = %"UVuf, (UV)SvUVX(sv));
cf2093f6 1289 else
57def98f 1290 Perl_dump_indent(aTHX_ level, file, " IV = %"IVdf, (IV)SvIVX(sv));
3967c732
JD
1291 if (SvOOK(sv))
1292 PerlIO_printf(file, " (OFFSET)");
f8c7b90f 1293#ifdef PERL_OLD_COPY_ON_WRITE
765f542d
NC
1294 if (SvIsCOW_shared_hash(sv))
1295 PerlIO_printf(file, " (HASH)");
1296 else if (SvIsCOW_normal(sv))
1297 PerlIO_printf(file, " (COW from 0x%"UVxf")", (UV)SvUVX(sv));
1298#endif
3967c732
JD
1299 PerlIO_putc(file, '\n');
1300 }
e4305a63
NC
1301 if ((type >= SVt_PVNV && type != SVt_PVAV && type != SVt_PVHV)
1302 || type == SVt_NV) {
e54dc35b 1303 STORE_NUMERIC_LOCAL_SET_STANDARD();
57def98f 1304 /* %Vg doesn't work? --jhi */
cf2093f6 1305#ifdef USE_LONG_DOUBLE
2d4389e4 1306 Perl_dump_indent(aTHX_ level, file, " NV = %.*" PERL_PRIgldbl "\n", LDBL_DIG, SvNVX(sv));
cf2093f6 1307#else
cea2e8a9 1308 Perl_dump_indent(aTHX_ level, file, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
cf2093f6 1309#endif
e54dc35b 1310 RESTORE_NUMERIC_LOCAL();
3967c732
JD
1311 }
1312 if (SvROK(sv)) {
57def98f 1313 Perl_dump_indent(aTHX_ level, file, " RV = 0x%"UVxf"\n", PTR2UV(SvRV(sv)));
3967c732
JD
1314 if (nest < maxnest)
1315 do_sv_dump(level+1, file, SvRV(sv), nest+1, maxnest, dumpops, pvlim);
3967c732 1316 }
cea89e20
JH
1317 if (type < SVt_PV) {
1318 SvREFCNT_dec(d);
3967c732 1319 return;
cea89e20 1320 }
4ce457a6 1321 if (type <= SVt_PVLV && type != SVt_PVGV) {
b15aece3
SP
1322 if (SvPVX_const(sv)) {
1323 Perl_dump_indent(aTHX_ level, file," PV = 0x%"UVxf" ", PTR2UV(SvPVX_const(sv)));
3967c732 1324 if (SvOOK(sv))
b15aece3
SP
1325 PerlIO_printf(file, "( %s . ) ", pv_display(d, SvPVX_const(sv)-SvIVX(sv), SvIVX(sv), 0, pvlim));
1326 PerlIO_printf(file, "%s", pv_display(d, SvPVX_const(sv), SvCUR(sv), SvLEN(sv), pvlim));
e6abe6d8 1327 if (SvUTF8(sv)) /* the 8? \x{....} */
c728cb41 1328 PerlIO_printf(file, " [UTF8 \"%s\"]", sv_uni_display(d, sv, 8 * sv_len_utf8(sv), UNI_DISPLAY_QQ));
e6abe6d8 1329 PerlIO_printf(file, "\n");
57def98f
JH
1330 Perl_dump_indent(aTHX_ level, file, " CUR = %"IVdf"\n", (IV)SvCUR(sv));
1331 Perl_dump_indent(aTHX_ level, file, " LEN = %"IVdf"\n", (IV)SvLEN(sv));
3967c732
JD
1332 }
1333 else
cea2e8a9 1334 Perl_dump_indent(aTHX_ level, file, " PV = 0\n");
3967c732
JD
1335 }
1336 if (type >= SVt_PVMG) {
1337 if (SvMAGIC(sv))
1338 do_magic_dump(level, file, SvMAGIC(sv), nest, maxnest, dumpops, pvlim);
1339 if (SvSTASH(sv))
1340 do_hv_dump(level, file, " STASH", SvSTASH(sv));
1341 }
1342 switch (type) {
3967c732 1343 case SVt_PVAV:
57def98f 1344 Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(AvARRAY(sv)));
3967c732 1345 if (AvARRAY(sv) != AvALLOC(sv)) {
57def98f
JH
1346 PerlIO_printf(file, " (offset=%"IVdf")\n", (IV)(AvARRAY(sv) - AvALLOC(sv)));
1347 Perl_dump_indent(aTHX_ level, file, " ALLOC = 0x%"UVxf"\n", PTR2UV(AvALLOC(sv)));
3967c732
JD
1348 }
1349 else
1350 PerlIO_putc(file, '\n');
57def98f
JH
1351 Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)AvFILLp(sv));
1352 Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)AvMAX(sv));
a3874608 1353 Perl_dump_indent(aTHX_ level, file, " ARYLEN = 0x%"UVxf"\n", SvMAGIC(sv) ? PTR2UV(AvARYLEN(sv)) : 0);
c69006e4 1354 sv_setpvn(d, "", 0);
11ca45c0
NC
1355 if (AvREAL(sv)) sv_catpv(d, ",REAL");
1356 if (AvREIFY(sv)) sv_catpv(d, ",REIFY");
b15aece3
SP
1357 Perl_dump_indent(aTHX_ level, file, " FLAGS = (%s)\n",
1358 SvCUR(d) ? SvPVX_const(d) + 1 : "");
3967c732
JD
1359 if (nest < maxnest && av_len((AV*)sv) >= 0) {
1360 int count;
1361 for (count = 0; count <= av_len((AV*)sv) && count < maxnest; count++) {
1362 SV** elt = av_fetch((AV*)sv,count,0);
1363
57def98f 1364 Perl_dump_indent(aTHX_ level + 1, file, "Elt No. %"IVdf"\n", (IV)count);
2ef28da1 1365 if (elt)
3967c732
JD
1366 do_sv_dump(level+1, file, *elt, nest+1, maxnest, dumpops, pvlim);
1367 }
1368 }
1369 break;
1370 case SVt_PVHV:
57def98f 1371 Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(HvARRAY(sv)));
3967c732
JD
1372 if (HvARRAY(sv) && HvKEYS(sv)) {
1373 /* Show distribution of HEs in the ARRAY */
1374 int freq[200];
1375#define FREQ_MAX (sizeof freq / sizeof freq[0] - 1)
1376 int i;
1377 int max = 0;
1378 U32 pow2 = 2, keys = HvKEYS(sv);
65202027 1379 NV theoret, sum = 0;
3967c732
JD
1380
1381 PerlIO_printf(file, " (");
1382 Zero(freq, FREQ_MAX + 1, int);
eb160463 1383 for (i = 0; (STRLEN)i <= HvMAX(sv); i++) {
3967c732
JD
1384 HE* h; int count = 0;
1385 for (h = HvARRAY(sv)[i]; h; h = HeNEXT(h))
1386 count++;
1387 if (count > FREQ_MAX)
1388 count = FREQ_MAX;
1389 freq[count]++;
1390 if (max < count)
1391 max = count;
1392 }
1393 for (i = 0; i <= max; i++) {
1394 if (freq[i]) {
1395 PerlIO_printf(file, "%d%s:%d", i,
1396 (i == FREQ_MAX) ? "+" : "",
1397 freq[i]);
1398 if (i != max)
1399 PerlIO_printf(file, ", ");
1400 }
1401 }
1402 PerlIO_putc(file, ')');
b8fa94d8
MG
1403 /* The "quality" of a hash is defined as the total number of
1404 comparisons needed to access every element once, relative
1405 to the expected number needed for a random hash.
1406
1407 The total number of comparisons is equal to the sum of
e76cd0fa
AMS
1408 the squares of the number of entries in each bucket.
1409 For a random hash of n keys into k buckets, the expected
b8fa94d8
MG
1410 value is
1411 n + n(n-1)/2k
1412 */
1413
3967c732
JD
1414 for (i = max; i > 0; i--) { /* Precision: count down. */
1415 sum += freq[i] * i * i;
1416 }
155aba94 1417 while ((keys = keys >> 1))
3967c732 1418 pow2 = pow2 << 1;
3967c732 1419 theoret = HvKEYS(sv);
b8fa94d8 1420 theoret += theoret * (theoret-1)/pow2;
3967c732 1421 PerlIO_putc(file, '\n');
6b4667fc 1422 Perl_dump_indent(aTHX_ level, file, " hash quality = %.1"NVff"%%", theoret/sum*100);
3967c732
JD
1423 }
1424 PerlIO_putc(file, '\n');
57def98f
JH
1425 Perl_dump_indent(aTHX_ level, file, " KEYS = %"IVdf"\n", (IV)HvKEYS(sv));
1426 Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)HvFILL(sv));
1427 Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)HvMAX(sv));
bfcb3514
NC
1428 Perl_dump_indent(aTHX_ level, file, " RITER = %"IVdf"\n", (IV)HvRITER_get(sv));
1429 Perl_dump_indent(aTHX_ level, file, " EITER = 0x%"UVxf"\n", PTR2UV(HvEITER_get(sv)));
8d2f4536
NC
1430 {
1431 MAGIC *mg = mg_find(sv, PERL_MAGIC_symtab);
1432 if (mg && mg->mg_obj) {
1433 Perl_dump_indent(aTHX_ level, file, " PMROOT = 0x%"UVxf"\n", PTR2UV(mg->mg_obj));
1434 }
1435 }
bfcb3514
NC
1436 {
1437 const char *hvname = HvNAME_get(sv);
1438 if (hvname)
1439 Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", hvname);
1440 }
1441 if (nest < maxnest && !HvEITER_get(sv)) { /* Try to preserve iterator */
3967c732
JD
1442 HE *he;
1443 HV *hv = (HV*)sv;
1444 int count = maxnest - nest;
1445
1446 hv_iterinit(hv);
e16e2ff8
NC
1447 while ((he = hv_iternext_flags(hv, HV_ITERNEXT_WANTPLACEHOLDERS))
1448 && count--) {
98c991d1 1449 SV *elt, *keysv;
e1ec3a88 1450 const char *keypv;
98c991d1 1451 STRLEN len;
3967c732
JD
1452 U32 hash = HeHASH(he);
1453
98c991d1
JH
1454 keysv = hv_iterkeysv(he);
1455 keypv = SvPV(keysv, len);
3967c732 1456 elt = hv_iterval(hv, he);
98c991d1
JH
1457 Perl_dump_indent(aTHX_ level+1, file, "Elt %s ", pv_display(d, keypv, len, 0, pvlim));
1458 if (SvUTF8(keysv))
c728cb41 1459 PerlIO_printf(file, "[UTF8 \"%s\"] ", sv_uni_display(d, keysv, 8 * sv_len_utf8(keysv), UNI_DISPLAY_QQ));
afce8e55
NC
1460 if (HeKREHASH(he))
1461 PerlIO_printf(file, "[REHASH] ");
98c991d1 1462 PerlIO_printf(file, "HASH = 0x%"UVxf"\n", (UV)hash);
3967c732
JD
1463 do_sv_dump(level+1, file, elt, nest+1, maxnest, dumpops, pvlim);
1464 }
1465 hv_iterinit(hv); /* Return to status quo */
1466 }
1467 break;
1468 case SVt_PVCV:
1469 if (SvPOK(sv))
7f848b6b 1470 Perl_dump_indent(aTHX_ level, file, " PROTOTYPE = \"%s\"\n", SvPV_nolen(sv));
3967c732
JD
1471 /* FALL THROUGH */
1472 case SVt_PVFM:
1473 do_hv_dump(level, file, " COMP_STASH", CvSTASH(sv));
1474 if (CvSTART(sv))
2814eb74 1475 Perl_dump_indent(aTHX_ level, file, " START = 0x%"UVxf" ===> %"IVdf"\n", PTR2UV(CvSTART(sv)), (IV)sequence_num(aTHX_ CvSTART(sv)));
57def98f 1476 Perl_dump_indent(aTHX_ level, file, " ROOT = 0x%"UVxf"\n", PTR2UV(CvROOT(sv)));
3967c732
JD
1477 if (CvROOT(sv) && dumpops)
1478 do_op_dump(level+1, file, CvROOT(sv));
57def98f
JH
1479 Perl_dump_indent(aTHX_ level, file, " XSUB = 0x%"UVxf"\n", PTR2UV(CvXSUB(sv)));
1480 Perl_dump_indent(aTHX_ level, file, " XSUBANY = %"IVdf"\n", (IV)CvXSUBANY(sv).any_i32);
3967c732 1481 do_gvgv_dump(level, file, " GVGV::GV", CvGV(sv));
57843af0 1482 Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", CvFILE(sv));
57def98f 1483 Perl_dump_indent(aTHX_ level, file, " DEPTH = %"IVdf"\n", (IV)CvDEPTH(sv));
894356b3 1484 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)CvFLAGS(sv));
a3985cdc 1485 Perl_dump_indent(aTHX_ level, file, " OUTSIDE_SEQ = %"UVuf"\n", (UV)CvOUTSIDE_SEQ(sv));
3967c732 1486 if (type == SVt_PVFM)
57def98f
JH
1487 Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)FmLINES(sv));
1488 Perl_dump_indent(aTHX_ level, file, " PADLIST = 0x%"UVxf"\n", PTR2UV(CvPADLIST(sv)));
dd2155a4
DM
1489 if (nest < maxnest) {
1490 do_dump_pad(level+1, file, CvPADLIST(sv), 0);
3967c732
JD
1491 }
1492 {
e1ec3a88 1493 const CV *outside = CvOUTSIDE(sv);
2ef28da1 1494 Perl_dump_indent(aTHX_ level, file, " OUTSIDE = 0x%"UVxf" (%s)\n",
57def98f 1495 PTR2UV(outside),
cf2093f6
JH
1496 (!outside ? "null"
1497 : CvANON(outside) ? "ANON"
1498 : (outside == PL_main_cv) ? "MAIN"
1499 : CvUNIQUE(outside) ? "UNIQUE"
1500 : CvGV(outside) ? GvNAME(CvGV(outside)) : "UNDEFINED"));
3967c732
JD
1501 }
1502 if (nest < maxnest && (CvCLONE(sv) || CvCLONED(sv)))
1503 do_sv_dump(level+1, file, (SV*)CvOUTSIDE(sv), nest+1, maxnest, dumpops, pvlim);
1504 break;
4ce457a6
TP
1505 case SVt_PVGV: case SVt_PVLV:
1506 if (type == SVt_PVLV) {
1507 Perl_dump_indent(aTHX_ level, file, " TYPE = %c\n", LvTYPE(sv));
1508 Perl_dump_indent(aTHX_ level, file, " TARGOFF = %"IVdf"\n", (IV)LvTARGOFF(sv));
1509 Perl_dump_indent(aTHX_ level, file, " TARGLEN = %"IVdf"\n", (IV)LvTARGLEN(sv));
1510 Perl_dump_indent(aTHX_ level, file, " TARG = 0x%"UVxf"\n", PTR2UV(LvTARG(sv)));
1511 if (LvTYPE(sv) != 't' && LvTYPE(sv) != 'T')
1512 do_sv_dump(level+1, file, LvTARG(sv), nest+1, maxnest,
1513 dumpops, pvlim);
1514 }
cea2e8a9 1515 Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", GvNAME(sv));
57def98f 1516 Perl_dump_indent(aTHX_ level, file, " NAMELEN = %"IVdf"\n", (IV)GvNAMELEN(sv));
3967c732 1517 do_hv_dump (level, file, " GvSTASH", GvSTASH(sv));
57def98f 1518 Perl_dump_indent(aTHX_ level, file, " GP = 0x%"UVxf"\n", PTR2UV(GvGP(sv)));
f472eb5c
GS
1519 if (!GvGP(sv))
1520 break;
57def98f
JH
1521 Perl_dump_indent(aTHX_ level, file, " SV = 0x%"UVxf"\n", PTR2UV(GvSV(sv)));
1522 Perl_dump_indent(aTHX_ level, file, " REFCNT = %"IVdf"\n", (IV)GvREFCNT(sv));
1523 Perl_dump_indent(aTHX_ level, file, " IO = 0x%"UVxf"\n", PTR2UV(GvIOp(sv)));
1524 Perl_dump_indent(aTHX_ level, file, " FORM = 0x%"UVxf" \n", PTR2UV(GvFORM(sv)));
1525 Perl_dump_indent(aTHX_ level, file, " AV = 0x%"UVxf"\n", PTR2UV(GvAV(sv)));
1526 Perl_dump_indent(aTHX_ level, file, " HV = 0x%"UVxf"\n", PTR2UV(GvHV(sv)));
1527 Perl_dump_indent(aTHX_ level, file, " CV = 0x%"UVxf"\n", PTR2UV(GvCV(sv)));
1528 Perl_dump_indent(aTHX_ level, file, " CVGEN = 0x%"UVxf"\n", (UV)GvCVGEN(sv));
f4c556ac 1529 Perl_dump_indent(aTHX_ level, file, " GPFLAGS = 0x%"UVxf"\n", (UV)GvGPFLAGS(sv));
57def98f 1530 Perl_dump_indent(aTHX_ level, file, " LINE = %"IVdf"\n", (IV)GvLINE(sv));
b195d487 1531 Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", GvFILE(sv));
e39917cc 1532 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)GvFLAGS(sv));
3967c732
JD
1533 do_gv_dump (level, file, " EGV", GvEGV(sv));
1534 break;
1535 case SVt_PVIO:
57def98f
JH
1536 Perl_dump_indent(aTHX_ level, file, " IFP = 0x%"UVxf"\n", PTR2UV(IoIFP(sv)));
1537 Perl_dump_indent(aTHX_ level, file, " OFP = 0x%"UVxf"\n", PTR2UV(IoOFP(sv)));
1538 Perl_dump_indent(aTHX_ level, file, " DIRP = 0x%"UVxf"\n", PTR2UV(IoDIRP(sv)));
1539 Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)IoLINES(sv));
1540 Perl_dump_indent(aTHX_ level, file, " PAGE = %"IVdf"\n", (IV)IoPAGE(sv));
1541 Perl_dump_indent(aTHX_ level, file, " PAGE_LEN = %"IVdf"\n", (IV)IoPAGE_LEN(sv));
1542 Perl_dump_indent(aTHX_ level, file, " LINES_LEFT = %"IVdf"\n", (IV)IoLINES_LEFT(sv));
27533608 1543 if (IoTOP_NAME(sv))
cea2e8a9 1544 Perl_dump_indent(aTHX_ level, file, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
3967c732 1545 do_gv_dump (level, file, " TOP_GV", IoTOP_GV(sv));
27533608 1546 if (IoFMT_NAME(sv))
cea2e8a9 1547 Perl_dump_indent(aTHX_ level, file, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
3967c732 1548 do_gv_dump (level, file, " FMT_GV", IoFMT_GV(sv));
27533608 1549 if (IoBOTTOM_NAME(sv))
cea2e8a9 1550 Perl_dump_indent(aTHX_ level, file, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
3967c732 1551 do_gv_dump (level, file, " BOTTOM_GV", IoBOTTOM_GV(sv));
57def98f 1552 Perl_dump_indent(aTHX_ level, file, " SUBPROCESS = %"IVdf"\n", (IV)IoSUBPROCESS(sv));
27533608 1553 if (isPRINT(IoTYPE(sv)))
cea2e8a9 1554 Perl_dump_indent(aTHX_ level, file, " TYPE = '%c'\n", IoTYPE(sv));
27533608 1555 else
cea2e8a9 1556 Perl_dump_indent(aTHX_ level, file, " TYPE = '\\%o'\n", IoTYPE(sv));
57def98f 1557 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)IoFLAGS(sv));
3967c732
JD
1558 break;
1559 }
cea89e20 1560 SvREFCNT_dec(d);
3967c732
JD
1561}
1562
1563void
864dbfa3 1564Perl_sv_dump(pTHX_ SV *sv)
3967c732
JD
1565{
1566 do_sv_dump(0, Perl_debug_log, sv, 0, 0, 0, 0);
8d063cd8 1567}
bd16a5f0
IZ
1568
1569int
1570Perl_runops_debug(pTHX)
1571{
1572 if (!PL_op) {
1573 if (ckWARN_d(WARN_DEBUGGING))
9014280d 1574 Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), "NULL OP IN RUN");
bd16a5f0
IZ
1575 return 0;
1576 }
1577
9f3673fb 1578 DEBUG_l(Perl_deb(aTHX_ "Entering new RUNOPS level\n"));
bd16a5f0
IZ
1579 do {
1580 PERL_ASYNC_CHECK();
1581 if (PL_debug) {
1582 if (PL_watchaddr != 0 && *PL_watchaddr != PL_watchok)
1583 PerlIO_printf(Perl_debug_log,
1584 "WARNING: %"UVxf" changed from %"UVxf" to %"UVxf"\n",
1585 PTR2UV(PL_watchaddr), PTR2UV(PL_watchok),
1586 PTR2UV(*PL_watchaddr));
d6721266
DM
1587 if (DEBUG_s_TEST_) {
1588 if (DEBUG_v_TEST_) {
1589 PerlIO_printf(Perl_debug_log, "\n");
1590 deb_stack_all();
1591 }
1592 else
1593 debstack();
1594 }
1595
1596
bd16a5f0
IZ
1597 if (DEBUG_t_TEST_) debop(PL_op);
1598 if (DEBUG_P_TEST_) debprof(PL_op);
1599 }
1600 } while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX)));
9f3673fb 1601 DEBUG_l(Perl_deb(aTHX_ "leaving RUNOPS level\n"));
bd16a5f0
IZ
1602
1603 TAINT_NOT;
1604 return 0;
1605}
1606
1607I32
6867be6d 1608Perl_debop(pTHX_ const OP *o)
bd16a5f0 1609{
1045810a
IZ
1610 if (CopSTASH_eq(PL_curcop, PL_debstash) && !DEBUG_J_TEST_)
1611 return 0;
1612
bd16a5f0
IZ
1613 Perl_deb(aTHX_ "%s", OP_NAME(o));
1614 switch (o->op_type) {
1615 case OP_CONST:
1616 PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOPo_sv));
1617 break;
1618 case OP_GVSV:
1619 case OP_GV:
1620 if (cGVOPo_gv) {
a3b680e6 1621 SV *sv = NEWSV(0,0);
bd16a5f0 1622 gv_fullname3(sv, cGVOPo_gv, Nullch);
35c1215d 1623 PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen(sv));
bd16a5f0
IZ
1624 SvREFCNT_dec(sv);
1625 }
1626 else
1627 PerlIO_printf(Perl_debug_log, "(NULL)");
1628 break;
1629 case OP_PADSV:
1630 case OP_PADAV:
1631 case OP_PADHV:
a3b680e6 1632 {
bd16a5f0 1633 /* print the lexical's name */
a3b680e6
AL
1634 CV *cv = deb_curcv(cxstack_ix);
1635 SV *sv;
bd16a5f0 1636 if (cv) {
b464bac0
AL
1637 AV * const padlist = CvPADLIST(cv);
1638 AV * const comppad = (AV*)(*av_fetch(padlist, 0, FALSE));
bd16a5f0
IZ
1639 sv = *av_fetch(comppad, o->op_targ, FALSE);
1640 } else
1641 sv = Nullsv;
1642 if (sv)
1643 PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen(sv));
1644 else
1645 PerlIO_printf(Perl_debug_log, "[%"UVuf"]", (UV)o->op_targ);
a3b680e6 1646 }
bd16a5f0
IZ
1647 break;
1648 default:
091ab601 1649 break;
bd16a5f0
IZ
1650 }
1651 PerlIO_printf(Perl_debug_log, "\n");
1652 return 0;
1653}
1654
1655STATIC CV*
1656S_deb_curcv(pTHX_ I32 ix)
1657{
e1ec3a88 1658 const PERL_CONTEXT *cx = &cxstack[ix];
bd16a5f0
IZ
1659 if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT)
1660 return cx->blk_sub.cv;
1661 else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx))
1662 return PL_compcv;
1663 else if (ix == 0 && PL_curstackinfo->si_type == PERLSI_MAIN)
1664 return PL_main_cv;
1665 else if (ix <= 0)
1666 return Nullcv;
1667 else
1668 return deb_curcv(ix - 1);
1669}
1670
1671void
1672Perl_watch(pTHX_ char **addr)
1673{
1674 PL_watchaddr = addr;
1675 PL_watchok = *addr;
1676 PerlIO_printf(Perl_debug_log, "WATCHING, %"UVxf" is currently %"UVxf"\n",
1677 PTR2UV(PL_watchaddr), PTR2UV(PL_watchok));
1678}
1679
1680STATIC void
e1ec3a88 1681S_debprof(pTHX_ const OP *o)
bd16a5f0 1682{
1045810a
IZ
1683 if (CopSTASH_eq(PL_curcop, PL_debstash) && !DEBUG_J_TEST_)
1684 return;
bd16a5f0
IZ
1685 if (!PL_profiledata)
1686 Newz(000, PL_profiledata, MAXO, U32);
1687 ++PL_profiledata[o->op_type];
1688}
1689
1690void
1691Perl_debprofdump(pTHX)
1692{
1693 unsigned i;
1694 if (!PL_profiledata)
1695 return;
1696 for (i = 0; i < MAXO; i++) {
1697 if (PL_profiledata[i])
1698 PerlIO_printf(Perl_debug_log,
1699 "%5lu %s\n", (unsigned long)PL_profiledata[i],
1700 PL_op_name[i]);
1701 }
1702}
66610fdd
RGS
1703
1704/*
1705 * Local variables:
1706 * c-indentation-style: bsd
1707 * c-basic-offset: 4
1708 * indent-tabs-mode: t
1709 * End:
1710 *
37442d52
RGS
1711 * ex: set ts=8 sts=4 sw=4 noet:
1712 */