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[p5sagit/p5-mst-13.2.git] / dump.c
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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 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 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 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 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 36 va_end(args);
37}
8adcabd8 38
39void
c5be433b 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 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 53}
54
55void
e1ec3a88 56Perl_dump_packsubs(pTHX_ const HV *stash)
463ee0b2 57{
a0d0e21e 58 I32 i;
463ee0b2 59
8990e307 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 65 const GV *gv = (GV*)HeVAL(entry);
66 const HV *hv;
e29cdcb3 67 if (SvTYPE(gv) != SVt_PVGV || !GvGP(gv))
68 continue;
8ebc5c01 69 if (GvCVu(gv))
463ee0b2 70 dump_sub(gv);
85e6fe83 71 if (GvFORM(gv))
72 dump_form(gv);
6676db26 73 if (HeKEY(entry)[HeKLEN(entry)-1] == ':'
74 && (hv = GvHV(gv)) && hv != PL_defstash)
463ee0b2 75 dump_packsubs(hv); /* nested package */
76 }
79072805 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 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 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 108}
109
8adcabd8 110void
864dbfa3 111Perl_dump_eval(pTHX)
8d063cd8 112{
3967c732 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 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 126 break;
127 }
46316b0a 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 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 150 return SvPVX(dsv);
151}
152
153char *
864dbfa3 154Perl_sv_peek(pTHX_ SV *sv)
3967c732 155{
27da23d5 156 dVAR;
aec46f14 157 SV * const t = sv_newmortal();
3967c732 158 int unref = 0;
159
160 sv_setpvn(t, "", 0);
161 retry:
162 if (!sv) {
163 sv_catpv(t, "VOID");
164 goto finish;
165 }
166 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
167 sv_catpv(t, "WILD");
168 goto finish;
169 }
7996736c 170 else if (sv == &PL_sv_undef || sv == &PL_sv_no || sv == &PL_sv_yes || sv == &PL_sv_placeholder) {
3967c732 171 if (sv == &PL_sv_undef) {
172 sv_catpv(t, "SV_UNDEF");
173 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
174 SVs_GMG|SVs_SMG|SVs_RMG)) &&
175 SvREADONLY(sv))
176 goto finish;
177 }
178 else if (sv == &PL_sv_no) {
179 sv_catpv(t, "SV_NO");
180 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
181 SVs_GMG|SVs_SMG|SVs_RMG)) &&
182 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
183 SVp_POK|SVp_NOK)) &&
184 SvCUR(sv) == 0 &&
185 SvNVX(sv) == 0.0)
186 goto finish;
187 }
7996736c 188 else if (sv == &PL_sv_yes) {
3967c732 189 sv_catpv(t, "SV_YES");
190 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
191 SVs_GMG|SVs_SMG|SVs_RMG)) &&
192 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
193 SVp_POK|SVp_NOK)) &&
194 SvCUR(sv) == 1 &&
b15aece3 195 SvPVX_const(sv) && *SvPVX_const(sv) == '1' &&
3967c732 196 SvNVX(sv) == 1.0)
197 goto finish;
7996736c 198 }
199 else {
200 sv_catpv(t, "SV_PLACEHOLDER");
201 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
202 SVs_GMG|SVs_SMG|SVs_RMG)) &&
203 SvREADONLY(sv))
204 goto finish;
3967c732 205 }
206 sv_catpv(t, ":");
207 }
208 else if (SvREFCNT(sv) == 0) {
209 sv_catpv(t, "(");
210 unref++;
211 }
a3b4c9c6 212 else if (DEBUG_R_TEST_) {
213 int is_tmp = 0;
214 I32 ix;
215 /* is this SV on the tmps stack? */
216 for (ix=PL_tmps_ix; ix>=0; ix--) {
217 if (PL_tmps_stack[ix] == sv) {
218 is_tmp = 1;
219 break;
220 }
221 }
222 if (SvREFCNT(sv) > 1)
223 Perl_sv_catpvf(aTHX_ t, "<%"UVuf"%s>", (UV)SvREFCNT(sv),
224 is_tmp ? "T" : "");
225 else if (is_tmp)
226 sv_catpv(t, "<T>");
04932ac8 227 }
228
3967c732 229 if (SvROK(sv)) {
230 sv_catpv(t, "\\");
231 if (SvCUR(t) + unref > 10) {
b162af07 232 SvCUR_set(t, unref + 3);
3967c732 233 *SvEND(t) = '\0';
234 sv_catpv(t, "...");
235 goto finish;
236 }
237 sv = (SV*)SvRV(sv);
238 goto retry;
239 }
240 switch (SvTYPE(sv)) {
241 default:
242 sv_catpv(t, "FREED");
243 goto finish;
244
245 case SVt_NULL:
246 sv_catpv(t, "UNDEF");
247 goto finish;
248 case SVt_IV:
249 sv_catpv(t, "IV");
250 break;
251 case SVt_NV:
252 sv_catpv(t, "NV");
253 break;
254 case SVt_RV:
255 sv_catpv(t, "RV");
256 break;
257 case SVt_PV:
258 sv_catpv(t, "PV");
259 break;
260 case SVt_PVIV:
261 sv_catpv(t, "PVIV");
262 break;
263 case SVt_PVNV:
264 sv_catpv(t, "PVNV");
265 break;
266 case SVt_PVMG:
267 sv_catpv(t, "PVMG");
268 break;
269 case SVt_PVLV:
270 sv_catpv(t, "PVLV");
271 break;
272 case SVt_PVAV:
273 sv_catpv(t, "AV");
274 break;
275 case SVt_PVHV:
276 sv_catpv(t, "HV");
277 break;
278 case SVt_PVCV:
279 if (CvGV(sv))
cea2e8a9 280 Perl_sv_catpvf(aTHX_ t, "CV(%s)", GvNAME(CvGV(sv)));
3967c732 281 else
282 sv_catpv(t, "CV()");
283 goto finish;
284 case SVt_PVGV:
285 sv_catpv(t, "GV");
286 break;
287 case SVt_PVBM:
288 sv_catpv(t, "BM");
289 break;
290 case SVt_PVFM:
291 sv_catpv(t, "FM");
292 break;
293 case SVt_PVIO:
294 sv_catpv(t, "IO");
295 break;
296 }
297
298 if (SvPOKp(sv)) {
b15aece3 299 if (!SvPVX_const(sv))
3967c732 300 sv_catpv(t, "(null)");
301 else {
79cb57f6 302 SV *tmp = newSVpvn("", 0);
3967c732 303 sv_catpv(t, "(");
304 if (SvOOK(sv))
b15aece3 305 Perl_sv_catpvf(aTHX_ t, "[%s]", pv_display(tmp, SvPVX_const(sv)-SvIVX(sv), SvIVX(sv), 0, 127));
306 Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, SvPVX_const(sv), SvCUR(sv), SvLEN(sv), 127));
32639b87 307 if (SvUTF8(sv))
b2ff9928 308 Perl_sv_catpvf(aTHX_ t, " [UTF8 \"%s\"]",
c728cb41 309 sv_uni_display(tmp, sv, 8 * sv_len_utf8(sv),
310 UNI_DISPLAY_QQ));
3967c732 311 SvREFCNT_dec(tmp);
312 }
313 }
314 else if (SvNOKp(sv)) {
e54dc35b 315 STORE_NUMERIC_LOCAL_SET_STANDARD();
1779d84d 316 Perl_sv_catpvf(aTHX_ t, "(%"NVgf")",SvNVX(sv));
e54dc35b 317 RESTORE_NUMERIC_LOCAL();
3967c732 318 }
57def98f 319 else if (SvIOKp(sv)) {
cf2093f6 320 if (SvIsUV(sv))
57def98f 321 Perl_sv_catpvf(aTHX_ t, "(%"UVuf")", (UV)SvUVX(sv));
cf2093f6 322 else
57def98f 323 Perl_sv_catpvf(aTHX_ t, "(%"IVdf")", (IV)SvIVX(sv));
25da4f38 324 }
3967c732 325 else
326 sv_catpv(t, "()");
2ef28da1 327
3967c732 328 finish:
329 if (unref) {
330 while (unref--)
331 sv_catpv(t, ")");
332 }
8b6b16e7 333 return SvPV_nolen(t);
3967c732 334}
335
336void
6867be6d 337Perl_do_pmop_dump(pTHX_ I32 level, PerlIO *file, const PMOP *pm)
3967c732 338{
339 char ch;
340
341 if (!pm) {
cea2e8a9 342 Perl_dump_indent(aTHX_ level, file, "{}\n");
3967c732 343 return;
344 }
cea2e8a9 345 Perl_dump_indent(aTHX_ level, file, "{\n");
3967c732 346 level++;
347 if (pm->op_pmflags & PMf_ONCE)
348 ch = '?';
349 else
350 ch = '/';
aaa362c4 351 if (PM_GETRE(pm))
cea2e8a9 352 Perl_dump_indent(aTHX_ level, file, "PMf_PRE %c%s%c%s\n",
aaa362c4 353 ch, PM_GETRE(pm)->precomp, ch,
3967c732 354 (pm->op_private & OPpRUNTIME) ? " (RUNTIME)" : "");
355 else
cea2e8a9 356 Perl_dump_indent(aTHX_ level, file, "PMf_PRE (RUNTIME)\n");
3967c732 357 if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) {
cea2e8a9 358 Perl_dump_indent(aTHX_ level, file, "PMf_REPL = ");
3967c732 359 op_dump(pm->op_pmreplroot);
360 }
aaa362c4 361 if (pm->op_pmflags || (PM_GETRE(pm) && PM_GETRE(pm)->check_substr)) {
79cb57f6 362 SV *tmpsv = newSVpvn("", 0);
3967c732 363 if (pm->op_pmdynflags & PMdf_USED)
364 sv_catpv(tmpsv, ",USED");
365 if (pm->op_pmdynflags & PMdf_TAINTED)
366 sv_catpv(tmpsv, ",TAINTED");
367 if (pm->op_pmflags & PMf_ONCE)
368 sv_catpv(tmpsv, ",ONCE");
aaa362c4 369 if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
370 && !(PM_GETRE(pm)->reganch & ROPT_NOSCAN))
3967c732 371 sv_catpv(tmpsv, ",SCANFIRST");
aaa362c4 372 if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
373 && PM_GETRE(pm)->reganch & ROPT_CHECK_ALL)
3967c732 374 sv_catpv(tmpsv, ",ALL");
375 if (pm->op_pmflags & PMf_SKIPWHITE)
376 sv_catpv(tmpsv, ",SKIPWHITE");
377 if (pm->op_pmflags & PMf_CONST)
378 sv_catpv(tmpsv, ",CONST");
379 if (pm->op_pmflags & PMf_KEEP)
380 sv_catpv(tmpsv, ",KEEP");
381 if (pm->op_pmflags & PMf_GLOBAL)
382 sv_catpv(tmpsv, ",GLOBAL");
383 if (pm->op_pmflags & PMf_CONTINUE)
384 sv_catpv(tmpsv, ",CONTINUE");
385 if (pm->op_pmflags & PMf_RETAINT)
386 sv_catpv(tmpsv, ",RETAINT");
387 if (pm->op_pmflags & PMf_EVAL)
388 sv_catpv(tmpsv, ",EVAL");
b15aece3 389 Perl_dump_indent(aTHX_ level, file, "PMFLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX_const(tmpsv) + 1 : "");
3967c732 390 SvREFCNT_dec(tmpsv);
391 }
392
cea2e8a9 393 Perl_dump_indent(aTHX_ level-1, file, "}\n");
3967c732 394}
395
396void
864dbfa3 397Perl_pmop_dump(pTHX_ PMOP *pm)
3967c732 398{
399 do_pmop_dump(0, Perl_debug_log, pm);
79072805 400}
401
2814eb74 402/* An op sequencer. We visit the ops in the order they're to execute. */
403
404STATIC void
6867be6d 405sequence(pTHX_ register const OP *o)
2814eb74 406{
27da23d5 407 dVAR;
2814eb74 408 SV *op;
93524f2b 409 const char *key;
2814eb74 410 STRLEN len;
6867be6d 411 const OP *oldop = 0;
412 OP *l;
2814eb74 413
2814eb74 414 if (!o)
415 return;
416
724e67cb 417 if (!Sequence)
418 Sequence = newHV();
2814eb74 419
420 for (; o; o = o->op_next) {
c0fd1b42 421 op = newSVuv(PTR2UV(o));
93524f2b 422 key = SvPV_const(op, len);
2814eb74 423 if (hv_exists(Sequence, key, len))
424 break;
425
426 switch (o->op_type) {
427 case OP_STUB:
428 if ((o->op_flags & OPf_WANT) != OPf_WANT_LIST) {
27da23d5 429 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
2814eb74 430 break;
431 }
432 goto nothin;
433 case OP_NULL:
434 if (oldop && o->op_next)
435 continue;
436 break;
437 case OP_SCALAR:
438 case OP_LINESEQ:
439 case OP_SCOPE:
440 nothin:
441 if (oldop && o->op_next)
442 continue;
27da23d5 443 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
2814eb74 444 break;
445
446 case OP_MAPWHILE:
447 case OP_GREPWHILE:
448 case OP_AND:
449 case OP_OR:
450 case OP_DOR:
451 case OP_ANDASSIGN:
452 case OP_ORASSIGN:
453 case OP_DORASSIGN:
454 case OP_COND_EXPR:
455 case OP_RANGE:
27da23d5 456 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
5411ce9f 457 for (l = cLOGOPo->op_other; l && l->op_type == OP_NULL; l = l->op_next)
2814eb74 458 ;
459 sequence(aTHX_ l);
460 break;
461
462 case OP_ENTERLOOP:
463 case OP_ENTERITER:
27da23d5 464 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
5411ce9f 465 for (l = cLOOPo->op_redoop; l && l->op_type == OP_NULL; l = l->op_next)
2814eb74 466 ;
467 sequence(aTHX_ l);
5411ce9f 468 for (l = cLOOPo->op_nextop; l && l->op_type == OP_NULL; l = l->op_next)
2814eb74 469 ;
470 sequence(aTHX_ l);
5411ce9f 471 for (l = cLOOPo->op_lastop; l && l->op_type == OP_NULL; l = l->op_next)
2814eb74 472 ;
473 sequence(aTHX_ l);
474 break;
475
476 case OP_QR:
477 case OP_MATCH:
478 case OP_SUBST:
27da23d5 479 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
5411ce9f 480 for (l = cPMOPo->op_pmreplstart; l && l->op_type == OP_NULL; l = l->op_next)
2814eb74 481 ;
482 sequence(aTHX_ l);
483 break;
484
485 case OP_HELEM:
486 break;
487
488 default:
27da23d5 489 hv_store(Sequence, key, len, newSVuv(++PL_op_seq), 0);
2814eb74 490 break;
491 }
492 oldop = o;
493 }
494}
495
496STATIC UV
6867be6d 497sequence_num(pTHX_ const OP *o)
2814eb74 498{
27da23d5 499 dVAR;
2814eb74 500 SV *op,
501 **seq;
93524f2b 502 const char *key;
2814eb74 503 STRLEN len;
504 if (!o) return 0;
c0fd1b42 505 op = newSVuv(PTR2UV(o));
93524f2b 506 key = SvPV_const(op, len);
2814eb74 507 seq = hv_fetch(Sequence, key, len, 0);
508 return seq ? SvUV(*seq): 0;
509}
510
79072805 511void
6867be6d 512Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, const OP *o)
79072805 513{
27da23d5 514 dVAR;
2814eb74 515 UV seq;
516 sequence(aTHX_ o);
cea2e8a9 517 Perl_dump_indent(aTHX_ level, file, "{\n");
3967c732 518 level++;
2814eb74 519 seq = sequence_num(aTHX_ o);
520 if (seq)
c0fd1b42 521 PerlIO_printf(file, "%-4"UVf, seq);
93a17b20 522 else
3967c732 523 PerlIO_printf(file, " ");
c8db6e60 524 PerlIO_printf(file,
525 "%*sTYPE = %s ===> ",
53e06cf0 526 (int)(PL_dumpindent*level-4), "", OP_NAME(o));
2814eb74 527 if (o->op_next)
c0fd1b42 528 PerlIO_printf(file, seq ? "%"UVf"\n" : "(%"UVf")\n",
529 sequence_num(aTHX_ o->op_next));
79072805 530 else
3967c732 531 PerlIO_printf(file, "DONE\n");
11343788 532 if (o->op_targ) {
acb36ea4 533 if (o->op_type == OP_NULL)
ae7d165c 534 {
cea2e8a9 535 Perl_dump_indent(aTHX_ level, file, " (was %s)\n", PL_op_name[o->op_targ]);
ae7d165c 536 if (o->op_targ == OP_NEXTSTATE)
537 {
538 if (CopLINE(cCOPo))
9d98dee5 539 Perl_dump_indent(aTHX_ level, file, "LINE = %"UVf"\n",
540 (UV)CopLINE(cCOPo));
ae7d165c 541 if (CopSTASHPV(cCOPo))
542 Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
543 CopSTASHPV(cCOPo));
544 if (cCOPo->cop_label)
545 Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
546 cCOPo->cop_label);
547 }
548 }
8990e307 549 else
894356b3 550 Perl_dump_indent(aTHX_ level, file, "TARG = %ld\n", (long)o->op_targ);
8990e307 551 }
748a9306 552#ifdef DUMPADDR
57def98f 553 Perl_dump_indent(aTHX_ level, file, "ADDR = 0x%"UVxf" => 0x%"UVxf"\n", (UV)o, (UV)o->op_next);
79072805 554#endif
11343788 555 if (o->op_flags) {
79cb57f6 556 SV *tmpsv = newSVpvn("", 0);
5dc0d613 557 switch (o->op_flags & OPf_WANT) {
54310121 558 case OPf_WANT_VOID:
46fc3d4c 559 sv_catpv(tmpsv, ",VOID");
54310121 560 break;
561 case OPf_WANT_SCALAR:
46fc3d4c 562 sv_catpv(tmpsv, ",SCALAR");
54310121 563 break;
564 case OPf_WANT_LIST:
46fc3d4c 565 sv_catpv(tmpsv, ",LIST");
54310121 566 break;
567 default:
46fc3d4c 568 sv_catpv(tmpsv, ",UNKNOWN");
54310121 569 break;
570 }
11343788 571 if (o->op_flags & OPf_KIDS)
46fc3d4c 572 sv_catpv(tmpsv, ",KIDS");
11343788 573 if (o->op_flags & OPf_PARENS)
46fc3d4c 574 sv_catpv(tmpsv, ",PARENS");
11343788 575 if (o->op_flags & OPf_STACKED)
46fc3d4c 576 sv_catpv(tmpsv, ",STACKED");
11343788 577 if (o->op_flags & OPf_REF)
46fc3d4c 578 sv_catpv(tmpsv, ",REF");
11343788 579 if (o->op_flags & OPf_MOD)
46fc3d4c 580 sv_catpv(tmpsv, ",MOD");
11343788 581 if (o->op_flags & OPf_SPECIAL)
46fc3d4c 582 sv_catpv(tmpsv, ",SPECIAL");
b15aece3 583 Perl_dump_indent(aTHX_ level, file, "FLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX_const(tmpsv) + 1 : "");
46fc3d4c 584 SvREFCNT_dec(tmpsv);
79072805 585 }
11343788 586 if (o->op_private) {
79cb57f6 587 SV *tmpsv = newSVpvn("", 0);
07447971 588 if (PL_opargs[o->op_type] & OA_TARGLEX) {
589 if (o->op_private & OPpTARGET_MY)
590 sv_catpv(tmpsv, ",TARGET_MY");
591 }
bf91b999 592 else if (o->op_type == OP_LEAVESUB ||
593 o->op_type == OP_LEAVE ||
594 o->op_type == OP_LEAVESUBLV ||
595 o->op_type == OP_LEAVEWRITE) {
596 if (o->op_private & OPpREFCOUNTED)
597 sv_catpv(tmpsv, ",REFCOUNTED");
598 }
599 else if (o->op_type == OP_AASSIGN) {
11343788 600 if (o->op_private & OPpASSIGN_COMMON)
46fc3d4c 601 sv_catpv(tmpsv, ",COMMON");
8d063cd8 602 }
11343788 603 else if (o->op_type == OP_SASSIGN) {
604 if (o->op_private & OPpASSIGN_BACKWARDS)
46fc3d4c 605 sv_catpv(tmpsv, ",BACKWARDS");
a0d0e21e 606 }
11343788 607 else if (o->op_type == OP_TRANS) {
608 if (o->op_private & OPpTRANS_SQUASH)
46fc3d4c 609 sv_catpv(tmpsv, ",SQUASH");
11343788 610 if (o->op_private & OPpTRANS_DELETE)
46fc3d4c 611 sv_catpv(tmpsv, ",DELETE");
11343788 612 if (o->op_private & OPpTRANS_COMPLEMENT)
46fc3d4c 613 sv_catpv(tmpsv, ",COMPLEMENT");
bf91b999 614 if (o->op_private & OPpTRANS_IDENTICAL)
615 sv_catpv(tmpsv, ",IDENTICAL");
616 if (o->op_private & OPpTRANS_GROWS)
617 sv_catpv(tmpsv, ",GROWS");
8d063cd8 618 }
11343788 619 else if (o->op_type == OP_REPEAT) {
620 if (o->op_private & OPpREPEAT_DOLIST)
46fc3d4c 621 sv_catpv(tmpsv, ",DOLIST");
8d063cd8 622 }
11343788 623 else if (o->op_type == OP_ENTERSUB ||
624 o->op_type == OP_RV2SV ||
23f1ca44 625 o->op_type == OP_GVSV ||
11343788 626 o->op_type == OP_RV2AV ||
627 o->op_type == OP_RV2HV ||
628 o->op_type == OP_RV2GV ||
629 o->op_type == OP_AELEM ||
630 o->op_type == OP_HELEM )
85e6fe83 631 {
5dc0d613 632 if (o->op_type == OP_ENTERSUB) {
633 if (o->op_private & OPpENTERSUB_AMPER)
46fc3d4c 634 sv_catpv(tmpsv, ",AMPER");
5dc0d613 635 if (o->op_private & OPpENTERSUB_DB)
46fc3d4c 636 sv_catpv(tmpsv, ",DB");
d3011074 637 if (o->op_private & OPpENTERSUB_HASTARG)
638 sv_catpv(tmpsv, ",HASTARG");
bf91b999 639 if (o->op_private & OPpENTERSUB_NOPAREN)
640 sv_catpv(tmpsv, ",NOPAREN");
641 if (o->op_private & OPpENTERSUB_INARGS)
642 sv_catpv(tmpsv, ",INARGS");
95f0a2f1 643 if (o->op_private & OPpENTERSUB_NOMOD)
644 sv_catpv(tmpsv, ",NOMOD");
68dc0745 645 }
bf91b999 646 else {
d3011074 647 switch (o->op_private & OPpDEREF) {
5f05dabc 648 case OPpDEREF_SV:
46fc3d4c 649 sv_catpv(tmpsv, ",SV");
5f05dabc 650 break;
651 case OPpDEREF_AV:
46fc3d4c 652 sv_catpv(tmpsv, ",AV");
5f05dabc 653 break;
654 case OPpDEREF_HV:
46fc3d4c 655 sv_catpv(tmpsv, ",HV");
5f05dabc 656 break;
657 }
bf91b999 658 if (o->op_private & OPpMAYBE_LVSUB)
659 sv_catpv(tmpsv, ",MAYBE_LVSUB");
660 }
5dc0d613 661 if (o->op_type == OP_AELEM || o->op_type == OP_HELEM) {
662 if (o->op_private & OPpLVAL_DEFER)
46fc3d4c 663 sv_catpv(tmpsv, ",LVAL_DEFER");
68dc0745 664 }
665 else {
5dc0d613 666 if (o->op_private & HINT_STRICT_REFS)
46fc3d4c 667 sv_catpv(tmpsv, ",STRICT_REFS");
192587c2 668 if (o->op_private & OPpOUR_INTRO)
669 sv_catpv(tmpsv, ",OUR_INTRO");
68dc0745 670 }
8d063cd8 671 }
11343788 672 else if (o->op_type == OP_CONST) {
673 if (o->op_private & OPpCONST_BARE)
46fc3d4c 674 sv_catpv(tmpsv, ",BARE");
7a52d87a 675 if (o->op_private & OPpCONST_STRICT)
676 sv_catpv(tmpsv, ",STRICT");
bf91b999 677 if (o->op_private & OPpCONST_ARYBASE)
678 sv_catpv(tmpsv, ",ARYBASE");
679 if (o->op_private & OPpCONST_WARNING)
680 sv_catpv(tmpsv, ",WARNING");
681 if (o->op_private & OPpCONST_ENTERED)
682 sv_catpv(tmpsv, ",ENTERED");
79072805 683 }
11343788 684 else if (o->op_type == OP_FLIP) {
685 if (o->op_private & OPpFLIP_LINENUM)
46fc3d4c 686 sv_catpv(tmpsv, ",LINENUM");
79072805 687 }
11343788 688 else if (o->op_type == OP_FLOP) {
689 if (o->op_private & OPpFLIP_LINENUM)
46fc3d4c 690 sv_catpv(tmpsv, ",LINENUM");
95f0a2f1 691 }
692 else if (o->op_type == OP_RV2CV) {
cd06dffe 693 if (o->op_private & OPpLVAL_INTRO)
694 sv_catpv(tmpsv, ",INTRO");
79072805 695 }
bf91b999 696 else if (o->op_type == OP_GV) {
697 if (o->op_private & OPpEARLY_CV)
698 sv_catpv(tmpsv, ",EARLY_CV");
699 }
700 else if (o->op_type == OP_LIST) {
701 if (o->op_private & OPpLIST_GUESSED)
702 sv_catpv(tmpsv, ",GUESSED");
703 }
704 else if (o->op_type == OP_DELETE) {
705 if (o->op_private & OPpSLICE)
706 sv_catpv(tmpsv, ",SLICE");
707 }
708 else if (o->op_type == OP_EXISTS) {
709 if (o->op_private & OPpEXISTS_SUB)
710 sv_catpv(tmpsv, ",EXISTS_SUB");
711 }
712 else if (o->op_type == OP_SORT) {
713 if (o->op_private & OPpSORT_NUMERIC)
714 sv_catpv(tmpsv, ",NUMERIC");
715 if (o->op_private & OPpSORT_INTEGER)
716 sv_catpv(tmpsv, ",INTEGER");
717 if (o->op_private & OPpSORT_REVERSE)
718 sv_catpv(tmpsv, ",REVERSE");
719 }
720 else if (o->op_type == OP_THREADSV) {
721 if (o->op_private & OPpDONE_SVREF)
722 sv_catpv(tmpsv, ",SVREF");
723 }
724 else if (o->op_type == OP_OPEN || o->op_type == OP_BACKTICK) {
725 if (o->op_private & OPpOPEN_IN_RAW)
726 sv_catpv(tmpsv, ",IN_RAW");
727 if (o->op_private & OPpOPEN_IN_CRLF)
728 sv_catpv(tmpsv, ",IN_CRLF");
729 if (o->op_private & OPpOPEN_OUT_RAW)
730 sv_catpv(tmpsv, ",OUT_RAW");
731 if (o->op_private & OPpOPEN_OUT_CRLF)
732 sv_catpv(tmpsv, ",OUT_CRLF");
733 }
734 else if (o->op_type == OP_EXIT) {
735 if (o->op_private & OPpEXIT_VMSISH)
96e176bf 736 sv_catpv(tmpsv, ",EXIT_VMSISH");
737 if (o->op_private & OPpHUSH_VMSISH)
738 sv_catpv(tmpsv, ",HUSH_VMSISH");
739 }
740 else if (o->op_type == OP_DIE) {
741 if (o->op_private & OPpHUSH_VMSISH)
742 sv_catpv(tmpsv, ",HUSH_VMSISH");
bf91b999 743 }
fbb0b3b3 744 else if (PL_check[o->op_type] != MEMBER_TO_FPTR(Perl_ck_ftst)) {
745 if (OP_IS_FILETEST_ACCESS(o) && o->op_private & OPpFT_ACCESS)
746 sv_catpv(tmpsv, ",FT_ACCESS");
747 if (o->op_private & OPpFT_STACKED)
748 sv_catpv(tmpsv, ",FT_STACKED");
1af34c76 749 }
11343788 750 if (o->op_flags & OPf_MOD && o->op_private & OPpLVAL_INTRO)
46fc3d4c 751 sv_catpv(tmpsv, ",INTRO");
752 if (SvCUR(tmpsv))
b15aece3 753 Perl_dump_indent(aTHX_ level, file, "PRIVATE = (%s)\n", SvPVX_const(tmpsv) + 1);
46fc3d4c 754 SvREFCNT_dec(tmpsv);
8d063cd8 755 }
8d063cd8 756
11343788 757 switch (o->op_type) {
971a9dd3 758 case OP_AELEMFAST:
93a17b20 759 case OP_GVSV:
79072805 760 case OP_GV:
971a9dd3 761#ifdef USE_ITHREADS
c803eecc 762 Perl_dump_indent(aTHX_ level, file, "PADIX = %" IVdf "\n", (IV)cPADOPo->op_padix);
971a9dd3 763#else
38c076c7 764 if ( ! PL_op->op_flags & OPf_SPECIAL) { /* not lexical */
765 if (cSVOPo->op_sv) {
766 SV *tmpsv = NEWSV(0,0);
38c076c7 767 ENTER;
768 SAVEFREESV(tmpsv);
769 gv_fullname3(tmpsv, (GV*)cSVOPo->op_sv, Nullch);
8b6b16e7 770 Perl_dump_indent(aTHX_ level, file, "GV = %s\n",
d5263905 771 SvPV_nolen_const(tmpsv));
38c076c7 772 LEAVE;
773 }
774 else
775 Perl_dump_indent(aTHX_ level, file, "GV = NULL\n");
378cc40b 776 }
971a9dd3 777#endif
79072805 778 break;
779 case OP_CONST:
f5d5a27c 780 case OP_METHOD_NAMED:
b6a15bc5 781#ifndef USE_ITHREADS
782 /* with ITHREADS, consts are stored in the pad, and the right pad
783 * may not be active here, so skip */
3848b962 784 Perl_dump_indent(aTHX_ level, file, "SV = %s\n", SvPEEK(cSVOPo_sv));
b6a15bc5 785#endif
79072805 786 break;
7399586d 787 case OP_SETSTATE:
93a17b20 788 case OP_NEXTSTATE:
789 case OP_DBSTATE:
57843af0 790 if (CopLINE(cCOPo))
9d98dee5 791 Perl_dump_indent(aTHX_ level, file, "LINE = %"UVf"\n",
792 (UV)CopLINE(cCOPo));
ed094faf 793 if (CopSTASHPV(cCOPo))
794 Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
795 CopSTASHPV(cCOPo));
11343788 796 if (cCOPo->cop_label)
ed094faf 797 Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
798 cCOPo->cop_label);
79072805 799 break;
800 case OP_ENTERLOOP:
cea2e8a9 801 Perl_dump_indent(aTHX_ level, file, "REDO ===> ");
11343788 802 if (cLOOPo->op_redoop)
c0fd1b42 803 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOOPo->op_redoop));
79072805 804 else
3967c732 805 PerlIO_printf(file, "DONE\n");
cea2e8a9 806 Perl_dump_indent(aTHX_ level, file, "NEXT ===> ");
11343788 807 if (cLOOPo->op_nextop)
c0fd1b42 808 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOOPo->op_nextop));
79072805 809 else
3967c732 810 PerlIO_printf(file, "DONE\n");
cea2e8a9 811 Perl_dump_indent(aTHX_ level, file, "LAST ===> ");
11343788 812 if (cLOOPo->op_lastop)
c0fd1b42 813 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOOPo->op_lastop));
79072805 814 else
3967c732 815 PerlIO_printf(file, "DONE\n");
79072805 816 break;
817 case OP_COND_EXPR:
1a67a97c 818 case OP_RANGE:
a0d0e21e 819 case OP_MAPWHILE:
79072805 820 case OP_GREPWHILE:
821 case OP_OR:
822 case OP_AND:
cea2e8a9 823 Perl_dump_indent(aTHX_ level, file, "OTHER ===> ");
11343788 824 if (cLOGOPo->op_other)
c0fd1b42 825 PerlIO_printf(file, "%"UVf"\n", sequence_num(aTHX_ cLOGOPo->op_other));
79072805 826 else
3967c732 827 PerlIO_printf(file, "DONE\n");
79072805 828 break;
829 case OP_PUSHRE:
830 case OP_MATCH:
8782bef2 831 case OP_QR:
79072805 832 case OP_SUBST:
3967c732 833 do_pmop_dump(level, file, cPMOPo);
79072805 834 break;
7934575e 835 case OP_LEAVE:
836 case OP_LEAVEEVAL:
837 case OP_LEAVESUB:
838 case OP_LEAVESUBLV:
839 case OP_LEAVEWRITE:
840 case OP_SCOPE:
841 if (o->op_private & OPpREFCOUNTED)
842 Perl_dump_indent(aTHX_ level, file, "REFCNT = %"UVuf"\n", (UV)o->op_targ);
843 break;
a0d0e21e 844 default:
845 break;
79072805 846 }
11343788 847 if (o->op_flags & OPf_KIDS) {
79072805 848 OP *kid;
11343788 849 for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
3967c732 850 do_op_dump(level, file, kid);
8d063cd8 851 }
cea2e8a9 852 Perl_dump_indent(aTHX_ level-1, file, "}\n");
3967c732 853}
854
855void
6867be6d 856Perl_op_dump(pTHX_ const OP *o)
3967c732 857{
858 do_op_dump(0, Perl_debug_log, o);
8d063cd8 859}
860
8adcabd8 861void
864dbfa3 862Perl_gv_dump(pTHX_ GV *gv)
378cc40b 863{
79072805 864 SV *sv;
378cc40b 865
79072805 866 if (!gv) {
760ac839 867 PerlIO_printf(Perl_debug_log, "{}\n");
378cc40b 868 return;
869 }
8990e307 870 sv = sv_newmortal();
760ac839 871 PerlIO_printf(Perl_debug_log, "{\n");
f6aff53a 872 gv_fullname3(sv, gv, Nullch);
b15aece3 873 Perl_dump_indent(aTHX_ 1, Perl_debug_log, "GV_NAME = %s", SvPVX_const(sv));
79072805 874 if (gv != GvEGV(gv)) {
f6aff53a 875 gv_efullname3(sv, GvEGV(gv), Nullch);
b15aece3 876 Perl_dump_indent(aTHX_ 1, Perl_debug_log, "-> %s", SvPVX_const(sv));
8adcabd8 877 }
3967c732 878 PerlIO_putc(Perl_debug_log, '\n');
cea2e8a9 879 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "}\n");
8d063cd8 880}
881
14befaf4 882
afe38520 883/* map magic types to the symbolic names
14befaf4 884 * (with the PERL_MAGIC_ prefixed stripped)
885 */
886
27da23d5 887static const struct { const char type; const char *name; } magic_names[] = {
516a5887 888 { PERL_MAGIC_sv, "sv(\\0)" },
889 { PERL_MAGIC_arylen, "arylen(#)" },
ca732855 890 { PERL_MAGIC_rhash, "rhash(%)" },
516a5887 891 { PERL_MAGIC_glob, "glob(*)" },
892 { PERL_MAGIC_pos, "pos(.)" },
8d2f4536 893 { PERL_MAGIC_symtab, "symtab(:)" },
516a5887 894 { PERL_MAGIC_backref, "backref(<)" },
a3874608 895 { PERL_MAGIC_arylen_p, "arylen_p(@)" },
516a5887 896 { PERL_MAGIC_overload, "overload(A)" },
897 { PERL_MAGIC_bm, "bm(B)" },
898 { PERL_MAGIC_regdata, "regdata(D)" },
899 { PERL_MAGIC_env, "env(E)" },
900 { PERL_MAGIC_isa, "isa(I)" },
901 { PERL_MAGIC_dbfile, "dbfile(L)" },
afe38520 902 { PERL_MAGIC_shared, "shared(N)" },
516a5887 903 { PERL_MAGIC_tied, "tied(P)" },
904 { PERL_MAGIC_sig, "sig(S)" },
905 { PERL_MAGIC_uvar, "uvar(U)" },
906 { PERL_MAGIC_overload_elem, "overload_elem(a)" },
907 { PERL_MAGIC_overload_table, "overload_table(c)" },
908 { PERL_MAGIC_regdatum, "regdatum(d)" },
909 { PERL_MAGIC_envelem, "envelem(e)" },
910 { PERL_MAGIC_fm, "fm(f)" },
911 { PERL_MAGIC_regex_global, "regex_global(g)" },
912 { PERL_MAGIC_isaelem, "isaelem(i)" },
913 { PERL_MAGIC_nkeys, "nkeys(k)" },
914 { PERL_MAGIC_dbline, "dbline(l)" },
915 { PERL_MAGIC_mutex, "mutex(m)" },
afe38520 916 { PERL_MAGIC_shared_scalar, "shared_scalar(n)" },
516a5887 917 { PERL_MAGIC_collxfrm, "collxfrm(o)" },
918 { PERL_MAGIC_tiedelem, "tiedelem(p)" },
919 { PERL_MAGIC_tiedscalar, "tiedscalar(q)" },
920 { PERL_MAGIC_qr, "qr(r)" },
921 { PERL_MAGIC_sigelem, "sigelem(s)" },
922 { PERL_MAGIC_taint, "taint(t)" },
afe38520 923 { PERL_MAGIC_uvar_elem, "uvar_elem(v)" },
516a5887 924 { PERL_MAGIC_vec, "vec(v)" },
cb50f42d 925 { PERL_MAGIC_vstring, "vstring(V)" },
7e8c5dac 926 { PERL_MAGIC_utf8, "utf8(w)" },
516a5887 927 { PERL_MAGIC_substr, "substr(x)" },
928 { PERL_MAGIC_defelem, "defelem(y)" },
929 { PERL_MAGIC_ext, "ext(~)" },
930 /* this null string terminates the list */
931 { 0, 0 },
14befaf4 932};
933
8adcabd8 934void
6867be6d 935Perl_do_magic_dump(pTHX_ I32 level, PerlIO *file, const MAGIC *mg, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
8d063cd8 936{
3967c732 937 for (; mg; mg = mg->mg_moremagic) {
b900a521 938 Perl_dump_indent(aTHX_ level, file,
939 " MAGIC = 0x%"UVxf"\n", PTR2UV(mg));
3967c732 940 if (mg->mg_virtual) {
bfed75c6 941 const MGVTBL * const v = mg->mg_virtual;
942 const char *s = 0;
3967c732 943 if (v == &PL_vtbl_sv) s = "sv";
944 else if (v == &PL_vtbl_env) s = "env";
945 else if (v == &PL_vtbl_envelem) s = "envelem";
946 else if (v == &PL_vtbl_sig) s = "sig";
947 else if (v == &PL_vtbl_sigelem) s = "sigelem";
948 else if (v == &PL_vtbl_pack) s = "pack";
949 else if (v == &PL_vtbl_packelem) s = "packelem";
950 else if (v == &PL_vtbl_dbline) s = "dbline";
951 else if (v == &PL_vtbl_isa) s = "isa";
952 else if (v == &PL_vtbl_arylen) s = "arylen";
953 else if (v == &PL_vtbl_glob) s = "glob";
954 else if (v == &PL_vtbl_mglob) s = "mglob";
955 else if (v == &PL_vtbl_nkeys) s = "nkeys";
956 else if (v == &PL_vtbl_taint) s = "taint";
957 else if (v == &PL_vtbl_substr) s = "substr";
958 else if (v == &PL_vtbl_vec) s = "vec";
959 else if (v == &PL_vtbl_pos) s = "pos";
960 else if (v == &PL_vtbl_bm) s = "bm";
961 else if (v == &PL_vtbl_fm) s = "fm";
962 else if (v == &PL_vtbl_uvar) s = "uvar";
963 else if (v == &PL_vtbl_defelem) s = "defelem";
964#ifdef USE_LOCALE_COLLATE
965 else if (v == &PL_vtbl_collxfrm) s = "collxfrm";
966#endif
3967c732 967 else if (v == &PL_vtbl_amagic) s = "amagic";
968 else if (v == &PL_vtbl_amagicelem) s = "amagicelem";
810b8aa5 969 else if (v == &PL_vtbl_backref) s = "backref";
7e8c5dac 970 else if (v == &PL_vtbl_utf8) s = "utf8";
83bf042f 971 else if (v == &PL_vtbl_arylen_p) s = "arylen_p";
3967c732 972 if (s)
cea2e8a9 973 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = &PL_vtbl_%s\n", s);
3967c732 974 else
b900a521 975 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0x%"UVxf"\n", PTR2UV(v));
3967c732 976 }
977 else
cea2e8a9 978 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0\n");
8d063cd8 979
3967c732 980 if (mg->mg_private)
cea2e8a9 981 Perl_dump_indent(aTHX_ level, file, " MG_PRIVATE = %d\n", mg->mg_private);
3967c732 982
14befaf4 983 {
984 int n;
e1ec3a88 985 const char *name = 0;
27da23d5 986 for (n = 0; magic_names[n].name; n++) {
14befaf4 987 if (mg->mg_type == magic_names[n].type) {
988 name = magic_names[n].name;
989 break;
990 }
991 }
992 if (name)
993 Perl_dump_indent(aTHX_ level, file,
994 " MG_TYPE = PERL_MAGIC_%s\n", name);
995 else
996 Perl_dump_indent(aTHX_ level, file,
997 " MG_TYPE = UNKNOWN(\\%o)\n", mg->mg_type);
998 }
3967c732 999
1000 if (mg->mg_flags) {
cea2e8a9 1001 Perl_dump_indent(aTHX_ level, file, " MG_FLAGS = 0x%02X\n", mg->mg_flags);
cb50f42d 1002 if (mg->mg_type == PERL_MAGIC_envelem &&
1003 mg->mg_flags & MGf_TAINTEDDIR)
cea2e8a9 1004 Perl_dump_indent(aTHX_ level, file, " TAINTEDDIR\n");
3967c732 1005 if (mg->mg_flags & MGf_REFCOUNTED)
cea2e8a9 1006 Perl_dump_indent(aTHX_ level, file, " REFCOUNTED\n");
3967c732 1007 if (mg->mg_flags & MGf_GSKIP)
cea2e8a9 1008 Perl_dump_indent(aTHX_ level, file, " GSKIP\n");
cb50f42d 1009 if (mg->mg_type == PERL_MAGIC_regex_global &&
1010 mg->mg_flags & MGf_MINMATCH)
cea2e8a9 1011 Perl_dump_indent(aTHX_ level, file, " MINMATCH\n");
3967c732 1012 }
1013 if (mg->mg_obj) {
b900a521 1014 Perl_dump_indent(aTHX_ level, file, " MG_OBJ = 0x%"UVxf"\n", PTR2UV(mg->mg_obj));
3967c732 1015 if (mg->mg_flags & MGf_REFCOUNTED)
1016 do_sv_dump(level+2, file, mg->mg_obj, nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
1017 }
1018 if (mg->mg_len)
894356b3 1019 Perl_dump_indent(aTHX_ level, file, " MG_LEN = %ld\n", (long)mg->mg_len);
3967c732 1020 if (mg->mg_ptr) {
b900a521 1021 Perl_dump_indent(aTHX_ level, file, " MG_PTR = 0x%"UVxf, PTR2UV(mg->mg_ptr));
3967c732 1022 if (mg->mg_len >= 0) {
7e8c5dac 1023 if (mg->mg_type != PERL_MAGIC_utf8) {
1024 SV *sv = newSVpvn("", 0);
1025 PerlIO_printf(file, " %s", pv_display(sv, mg->mg_ptr, mg->mg_len, 0, pvlim));
1026 SvREFCNT_dec(sv);
1027 }
3967c732 1028 }
1029 else if (mg->mg_len == HEf_SVKEY) {
1030 PerlIO_puts(file, " => HEf_SVKEY\n");
1031 do_sv_dump(level+2, file, (SV*)((mg)->mg_ptr), nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
1032 continue;
1033 }
1034 else
1035 PerlIO_puts(file, " ???? - please notify IZ");
1036 PerlIO_putc(file, '\n');
1037 }
7e8c5dac 1038 if (mg->mg_type == PERL_MAGIC_utf8) {
1039 STRLEN *cache = (STRLEN *) mg->mg_ptr;
1040 if (cache) {
1041 IV i;
1042 for (i = 0; i < PERL_MAGIC_UTF8_CACHESIZE; i++)
1043 Perl_dump_indent(aTHX_ level, file,
1044 " %2"IVdf": %"UVuf" -> %"UVuf"\n",
1045 i,
1046 (UV)cache[i * 2],
1047 (UV)cache[i * 2 + 1]);
1048 }
1049 }
378cc40b 1050 }
3967c732 1051}
1052
1053void
6867be6d 1054Perl_magic_dump(pTHX_ const MAGIC *mg)
3967c732 1055{
1056 do_magic_dump(0, Perl_debug_log, mg, 0, 0, 0, 0);
1057}
1058
1059void
e1ec3a88 1060Perl_do_hv_dump(pTHX_ I32 level, PerlIO *file, const char *name, HV *sv)
3967c732 1061{
bfcb3514 1062 const char *hvname;
b900a521 1063 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
bfcb3514 1064 if (sv && (hvname = HvNAME_get(sv)))
1065 PerlIO_printf(file, "\t\"%s\"\n", hvname);
79072805 1066 else
3967c732 1067 PerlIO_putc(file, '\n');
1068}
1069
1070void
e1ec3a88 1071Perl_do_gv_dump(pTHX_ I32 level, PerlIO *file, const char *name, GV *sv)
3967c732 1072{
b900a521 1073 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
3967c732 1074 if (sv && GvNAME(sv))
1075 PerlIO_printf(file, "\t\"%s\"\n", GvNAME(sv));
c90c0ff4 1076 else
3967c732 1077 PerlIO_putc(file, '\n');
1078}
1079
1080void
e1ec3a88 1081Perl_do_gvgv_dump(pTHX_ I32 level, PerlIO *file, const char *name, GV *sv)
3967c732 1082{
b900a521 1083 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
3967c732 1084 if (sv && GvNAME(sv)) {
bfcb3514 1085 const char *hvname;
3967c732 1086 PerlIO_printf(file, "\t\"");
bfcb3514 1087 if (GvSTASH(sv) && (hvname = HvNAME_get(GvSTASH(sv))))
1088 PerlIO_printf(file, "%s\" :: \"", hvname);
3967c732 1089 PerlIO_printf(file, "%s\"\n", GvNAME(sv));
8d063cd8 1090 }
3967c732 1091 else
1092 PerlIO_putc(file, '\n');
1093}
1094
1095void
864dbfa3 1096Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
3967c732 1097{
cea89e20 1098 SV *d;
e1ec3a88 1099 const char *s;
3967c732 1100 U32 flags;
1101 U32 type;
1102
1103 if (!sv) {
cea2e8a9 1104 Perl_dump_indent(aTHX_ level, file, "SV = 0\n");
3967c732 1105 return;
378cc40b 1106 }
2ef28da1 1107
3967c732 1108 flags = SvFLAGS(sv);
1109 type = SvTYPE(sv);
79072805 1110
cea89e20 1111 d = Perl_newSVpvf(aTHX_
57def98f 1112 "(0x%"UVxf") at 0x%"UVxf"\n%*s REFCNT = %"IVdf"\n%*s FLAGS = (",
56431972 1113 PTR2UV(SvANY(sv)), PTR2UV(sv),
894356b3 1114 (int)(PL_dumpindent*level), "", (IV)SvREFCNT(sv),
1115 (int)(PL_dumpindent*level), "");
8d063cd8 1116
d9d18af6 1117 if (flags & SVs_PADSTALE) sv_catpv(d, "PADSTALE,");
3967c732 1118 if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,");
1119 if (flags & SVs_PADMY) sv_catpv(d, "PADMY,");
1120 if (flags & SVs_TEMP) sv_catpv(d, "TEMP,");
1121 if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,");
1122 if (flags & SVs_GMG) sv_catpv(d, "GMG,");
1123 if (flags & SVs_SMG) sv_catpv(d, "SMG,");
1124 if (flags & SVs_RMG) sv_catpv(d, "RMG,");
4db58590 1125
3967c732 1126 if (flags & SVf_IOK) sv_catpv(d, "IOK,");
1127 if (flags & SVf_NOK) sv_catpv(d, "NOK,");
1128 if (flags & SVf_POK) sv_catpv(d, "POK,");
810b8aa5 1129 if (flags & SVf_ROK) {
1130 sv_catpv(d, "ROK,");
1131 if (SvWEAKREF(sv)) sv_catpv(d, "WEAKREF,");
1132 }
3967c732 1133 if (flags & SVf_OOK) sv_catpv(d, "OOK,");
1134 if (flags & SVf_FAKE) sv_catpv(d, "FAKE,");
1135 if (flags & SVf_READONLY) sv_catpv(d, "READONLY,");
4db58590 1136
afce8e55 1137 if (flags & SVf_AMAGIC && type != SVt_PVHV)
1138 sv_catpv(d, "OVERLOAD,");
3967c732 1139 if (flags & SVp_IOK) sv_catpv(d, "pIOK,");
1140 if (flags & SVp_NOK) sv_catpv(d, "pNOK,");
1141 if (flags & SVp_POK) sv_catpv(d, "pPOK,");
9660f481 1142 if (flags & SVp_SCREAM && type != SVt_PVHV)
1143 sv_catpv(d, "SCREAM,");
3967c732 1144
1145 switch (type) {
1146 case SVt_PVCV:
1147 case SVt_PVFM:
1148 if (CvANON(sv)) sv_catpv(d, "ANON,");
1149 if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
1150 if (CvCLONE(sv)) sv_catpv(d, "CLONE,");
1151 if (CvCLONED(sv)) sv_catpv(d, "CLONED,");
de3f1649 1152 if (CvCONST(sv)) sv_catpv(d, "CONST,");
3967c732 1153 if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
25da4f38 1154 if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,");
18f7acf9 1155 if (CvLVALUE(sv)) sv_catpv(d, "LVALUE,");
1156 if (CvMETHOD(sv)) sv_catpv(d, "METHOD,");
662a8415 1157 if (CvLOCKED(sv)) sv_catpv(d, "LOCKED,");
7dafbf52 1158 if (CvWEAKOUTSIDE(sv)) sv_catpv(d, "WEAKOUTSIDE,");
06492da6 1159 if (CvASSERTION(sv)) sv_catpv(d, "ASSERTION,");
3967c732 1160 break;
1161 case SVt_PVHV:
1162 if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,");
1163 if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,");
19692e8d 1164 if (HvHASKFLAGS(sv)) sv_catpv(d, "HASKFLAGS,");
afce8e55 1165 if (HvREHASH(sv)) sv_catpv(d, "REHASH,");
9660f481 1166 if (flags & SVphv_CLONEABLE) sv_catpv(d, "CLONEABLE,");
3967c732 1167 break;
4ce457a6 1168 case SVt_PVGV: case SVt_PVLV:
3967c732 1169 if (GvINTRO(sv)) sv_catpv(d, "INTRO,");
1170 if (GvMULTI(sv)) sv_catpv(d, "MULTI,");
7fb37951 1171 if (GvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
3967c732 1172 if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,");
12c18039 1173 if (GvIN_PAD(sv)) sv_catpv(d, "IN_PAD,");
addd1794 1174 if (flags & SVpad_OUR) sv_catpv(d, "OUR,");
3967c732 1175 if (GvIMPORTED(sv)) {
1176 sv_catpv(d, "IMPORT");
1177 if (GvIMPORTED(sv) == GVf_IMPORTED)
1178 sv_catpv(d, "ALL,");
1179 else {
1180 sv_catpv(d, "(");
1181 if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV");
1182 if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV");
1183 if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV");
1184 if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV");
1185 sv_catpv(d, " ),");
1186 }
1187 }
addd1794 1188 /* FALL THROUGH */
25da4f38 1189 default:
1190 if (SvEVALED(sv)) sv_catpv(d, "EVALED,");
69c678eb 1191 if (SvIsUV(sv) && !(flags & SVf_ROK)) sv_catpv(d, "IsUV,");
25da4f38 1192 break;
3967c732 1193 case SVt_PVBM:
1194 if (SvTAIL(sv)) sv_catpv(d, "TAIL,");
25da4f38 1195 if (SvVALID(sv)) sv_catpv(d, "VALID,");
3967c732 1196 break;
addd1794 1197 case SVt_PVMG:
1198 if (flags & SVpad_TYPED)
1199 sv_catpv(d, "TYPED,");
1200 break;
11ca45c0 1201 case SVt_PVAV:
1202 break;
3967c732 1203 }
86f0d186 1204 /* SVphv_SHAREKEYS is also 0x20000000 */
1205 if ((type != SVt_PVHV) && SvUTF8(sv))
9fe74ede 1206 sv_catpv(d, "UTF8");
3967c732 1207
b162af07 1208 if (*(SvEND(d) - 1) == ',') {
1209 SvCUR_set(d, SvCUR(d) - 1);
1210 SvPVX(d)[SvCUR(d)] = '\0';
1211 }
3967c732 1212 sv_catpv(d, ")");
b15aece3 1213 s = SvPVX_const(d);
3967c732 1214
fd0854ff 1215#ifdef DEBUG_LEAKING_SCALARS
1216 Perl_dump_indent(aTHX_ level, file, "ALLOCATED at %s:%d %s %s%s\n",
1217 sv->sv_debug_file ? sv->sv_debug_file : "(unknown)",
1218 sv->sv_debug_line,
1219 sv->sv_debug_inpad ? "for" : "by",
1220 sv->sv_debug_optype ? PL_op_name[sv->sv_debug_optype]: "(none)",
1221 sv->sv_debug_cloned ? " (cloned)" : "");
1222#endif
cea2e8a9 1223 Perl_dump_indent(aTHX_ level, file, "SV = ");
3967c732 1224 switch (type) {
1225 case SVt_NULL:
1226 PerlIO_printf(file, "NULL%s\n", s);
cea89e20 1227 SvREFCNT_dec(d);
3967c732 1228 return;
1229 case SVt_IV:
1230 PerlIO_printf(file, "IV%s\n", s);
1231 break;
1232 case SVt_NV:
1233 PerlIO_printf(file, "NV%s\n", s);
1234 break;
1235 case SVt_RV:
1236 PerlIO_printf(file, "RV%s\n", s);
1237 break;
1238 case SVt_PV:
1239 PerlIO_printf(file, "PV%s\n", s);
1240 break;
1241 case SVt_PVIV:
1242 PerlIO_printf(file, "PVIV%s\n", s);
1243 break;
1244 case SVt_PVNV:
1245 PerlIO_printf(file, "PVNV%s\n", s);
1246 break;
1247 case SVt_PVBM:
1248 PerlIO_printf(file, "PVBM%s\n", s);
1249 break;
1250 case SVt_PVMG:
1251 PerlIO_printf(file, "PVMG%s\n", s);
1252 break;
1253 case SVt_PVLV:
1254 PerlIO_printf(file, "PVLV%s\n", s);
1255 break;
1256 case SVt_PVAV:
1257 PerlIO_printf(file, "PVAV%s\n", s);
1258 break;
1259 case SVt_PVHV:
1260 PerlIO_printf(file, "PVHV%s\n", s);
1261 break;
1262 case SVt_PVCV:
1263 PerlIO_printf(file, "PVCV%s\n", s);
1264 break;
1265 case SVt_PVGV:
1266 PerlIO_printf(file, "PVGV%s\n", s);
1267 break;
1268 case SVt_PVFM:
1269 PerlIO_printf(file, "PVFM%s\n", s);
1270 break;
1271 case SVt_PVIO:
1272 PerlIO_printf(file, "PVIO%s\n", s);
1273 break;
1274 default:
faccc32b 1275 PerlIO_printf(file, "UNKNOWN(0x%"UVxf") %s\n", (UV)type, s);
cea89e20 1276 SvREFCNT_dec(d);
3967c732 1277 return;
1278 }
e4305a63 1279 if ((type >= SVt_PVIV && type != SVt_PVAV && type != SVt_PVHV)
1280 || type == SVt_IV) {
765f542d 1281 if (SvIsUV(sv)
f8c7b90f 1282#ifdef PERL_OLD_COPY_ON_WRITE
765f542d 1283 || SvIsCOW(sv)
1284#endif
1285 )
57def98f 1286 Perl_dump_indent(aTHX_ level, file, " UV = %"UVuf, (UV)SvUVX(sv));
cf2093f6 1287 else
57def98f 1288 Perl_dump_indent(aTHX_ level, file, " IV = %"IVdf, (IV)SvIVX(sv));
3967c732 1289 if (SvOOK(sv))
1290 PerlIO_printf(file, " (OFFSET)");
f8c7b90f 1291#ifdef PERL_OLD_COPY_ON_WRITE
765f542d 1292 if (SvIsCOW_shared_hash(sv))
1293 PerlIO_printf(file, " (HASH)");
1294 else if (SvIsCOW_normal(sv))
1295 PerlIO_printf(file, " (COW from 0x%"UVxf")", (UV)SvUVX(sv));
1296#endif
3967c732 1297 PerlIO_putc(file, '\n');
1298 }
e4305a63 1299 if ((type >= SVt_PVNV && type != SVt_PVAV && type != SVt_PVHV)
1300 || type == SVt_NV) {
e54dc35b 1301 STORE_NUMERIC_LOCAL_SET_STANDARD();
57def98f 1302 /* %Vg doesn't work? --jhi */
cf2093f6 1303#ifdef USE_LONG_DOUBLE
2d4389e4 1304 Perl_dump_indent(aTHX_ level, file, " NV = %.*" PERL_PRIgldbl "\n", LDBL_DIG, SvNVX(sv));
cf2093f6 1305#else
cea2e8a9 1306 Perl_dump_indent(aTHX_ level, file, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
cf2093f6 1307#endif
e54dc35b 1308 RESTORE_NUMERIC_LOCAL();
3967c732 1309 }
1310 if (SvROK(sv)) {
57def98f 1311 Perl_dump_indent(aTHX_ level, file, " RV = 0x%"UVxf"\n", PTR2UV(SvRV(sv)));
3967c732 1312 if (nest < maxnest)
1313 do_sv_dump(level+1, file, SvRV(sv), nest+1, maxnest, dumpops, pvlim);
3967c732 1314 }
cea89e20 1315 if (type < SVt_PV) {
1316 SvREFCNT_dec(d);
3967c732 1317 return;
cea89e20 1318 }
4ce457a6 1319 if (type <= SVt_PVLV && type != SVt_PVGV) {
b15aece3 1320 if (SvPVX_const(sv)) {
1321 Perl_dump_indent(aTHX_ level, file," PV = 0x%"UVxf" ", PTR2UV(SvPVX_const(sv)));
3967c732 1322 if (SvOOK(sv))
b15aece3 1323 PerlIO_printf(file, "( %s . ) ", pv_display(d, SvPVX_const(sv)-SvIVX(sv), SvIVX(sv), 0, pvlim));
1324 PerlIO_printf(file, "%s", pv_display(d, SvPVX_const(sv), SvCUR(sv), SvLEN(sv), pvlim));
e6abe6d8 1325 if (SvUTF8(sv)) /* the 8? \x{....} */
c728cb41 1326 PerlIO_printf(file, " [UTF8 \"%s\"]", sv_uni_display(d, sv, 8 * sv_len_utf8(sv), UNI_DISPLAY_QQ));
e6abe6d8 1327 PerlIO_printf(file, "\n");
57def98f 1328 Perl_dump_indent(aTHX_ level, file, " CUR = %"IVdf"\n", (IV)SvCUR(sv));
1329 Perl_dump_indent(aTHX_ level, file, " LEN = %"IVdf"\n", (IV)SvLEN(sv));
3967c732 1330 }
1331 else
cea2e8a9 1332 Perl_dump_indent(aTHX_ level, file, " PV = 0\n");
3967c732 1333 }
1334 if (type >= SVt_PVMG) {
1335 if (SvMAGIC(sv))
1336 do_magic_dump(level, file, SvMAGIC(sv), nest, maxnest, dumpops, pvlim);
1337 if (SvSTASH(sv))
1338 do_hv_dump(level, file, " STASH", SvSTASH(sv));
1339 }
1340 switch (type) {
3967c732 1341 case SVt_PVAV:
57def98f 1342 Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(AvARRAY(sv)));
3967c732 1343 if (AvARRAY(sv) != AvALLOC(sv)) {
57def98f 1344 PerlIO_printf(file, " (offset=%"IVdf")\n", (IV)(AvARRAY(sv) - AvALLOC(sv)));
1345 Perl_dump_indent(aTHX_ level, file, " ALLOC = 0x%"UVxf"\n", PTR2UV(AvALLOC(sv)));
3967c732 1346 }
1347 else
1348 PerlIO_putc(file, '\n');
57def98f 1349 Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)AvFILLp(sv));
1350 Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)AvMAX(sv));
a3874608 1351 Perl_dump_indent(aTHX_ level, file, " ARYLEN = 0x%"UVxf"\n", SvMAGIC(sv) ? PTR2UV(AvARYLEN(sv)) : 0);
c69006e4 1352 sv_setpvn(d, "", 0);
11ca45c0 1353 if (AvREAL(sv)) sv_catpv(d, ",REAL");
1354 if (AvREIFY(sv)) sv_catpv(d, ",REIFY");
b15aece3 1355 Perl_dump_indent(aTHX_ level, file, " FLAGS = (%s)\n",
1356 SvCUR(d) ? SvPVX_const(d) + 1 : "");
3967c732 1357 if (nest < maxnest && av_len((AV*)sv) >= 0) {
1358 int count;
1359 for (count = 0; count <= av_len((AV*)sv) && count < maxnest; count++) {
1360 SV** elt = av_fetch((AV*)sv,count,0);
1361
57def98f 1362 Perl_dump_indent(aTHX_ level + 1, file, "Elt No. %"IVdf"\n", (IV)count);
2ef28da1 1363 if (elt)
3967c732 1364 do_sv_dump(level+1, file, *elt, nest+1, maxnest, dumpops, pvlim);
1365 }
1366 }
1367 break;
1368 case SVt_PVHV:
57def98f 1369 Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(HvARRAY(sv)));
3967c732 1370 if (HvARRAY(sv) && HvKEYS(sv)) {
1371 /* Show distribution of HEs in the ARRAY */
1372 int freq[200];
1373#define FREQ_MAX (sizeof freq / sizeof freq[0] - 1)
1374 int i;
1375 int max = 0;
1376 U32 pow2 = 2, keys = HvKEYS(sv);
65202027 1377 NV theoret, sum = 0;
3967c732 1378
1379 PerlIO_printf(file, " (");
1380 Zero(freq, FREQ_MAX + 1, int);
eb160463 1381 for (i = 0; (STRLEN)i <= HvMAX(sv); i++) {
3967c732 1382 HE* h; int count = 0;
1383 for (h = HvARRAY(sv)[i]; h; h = HeNEXT(h))
1384 count++;
1385 if (count > FREQ_MAX)
1386 count = FREQ_MAX;
1387 freq[count]++;
1388 if (max < count)
1389 max = count;
1390 }
1391 for (i = 0; i <= max; i++) {
1392 if (freq[i]) {
1393 PerlIO_printf(file, "%d%s:%d", i,
1394 (i == FREQ_MAX) ? "+" : "",
1395 freq[i]);
1396 if (i != max)
1397 PerlIO_printf(file, ", ");
1398 }
1399 }
1400 PerlIO_putc(file, ')');
b8fa94d8 1401 /* The "quality" of a hash is defined as the total number of
1402 comparisons needed to access every element once, relative
1403 to the expected number needed for a random hash.
1404
1405 The total number of comparisons is equal to the sum of
e76cd0fa 1406 the squares of the number of entries in each bucket.
1407 For a random hash of n keys into k buckets, the expected
b8fa94d8 1408 value is
1409 n + n(n-1)/2k
1410 */
1411
3967c732 1412 for (i = max; i > 0; i--) { /* Precision: count down. */
1413 sum += freq[i] * i * i;
1414 }
155aba94 1415 while ((keys = keys >> 1))
3967c732 1416 pow2 = pow2 << 1;
3967c732 1417 theoret = HvKEYS(sv);
b8fa94d8 1418 theoret += theoret * (theoret-1)/pow2;
3967c732 1419 PerlIO_putc(file, '\n');
6b4667fc 1420 Perl_dump_indent(aTHX_ level, file, " hash quality = %.1"NVff"%%", theoret/sum*100);
3967c732 1421 }
1422 PerlIO_putc(file, '\n');
57def98f 1423 Perl_dump_indent(aTHX_ level, file, " KEYS = %"IVdf"\n", (IV)HvKEYS(sv));
1424 Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)HvFILL(sv));
1425 Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)HvMAX(sv));
bfcb3514 1426 Perl_dump_indent(aTHX_ level, file, " RITER = %"IVdf"\n", (IV)HvRITER_get(sv));
1427 Perl_dump_indent(aTHX_ level, file, " EITER = 0x%"UVxf"\n", PTR2UV(HvEITER_get(sv)));
8d2f4536 1428 {
1429 MAGIC *mg = mg_find(sv, PERL_MAGIC_symtab);
1430 if (mg && mg->mg_obj) {
1431 Perl_dump_indent(aTHX_ level, file, " PMROOT = 0x%"UVxf"\n", PTR2UV(mg->mg_obj));
1432 }
1433 }
bfcb3514 1434 {
1435 const char *hvname = HvNAME_get(sv);
1436 if (hvname)
1437 Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", hvname);
1438 }
1439 if (nest < maxnest && !HvEITER_get(sv)) { /* Try to preserve iterator */
3967c732 1440 HE *he;
1441 HV *hv = (HV*)sv;
1442 int count = maxnest - nest;
1443
1444 hv_iterinit(hv);
e16e2ff8 1445 while ((he = hv_iternext_flags(hv, HV_ITERNEXT_WANTPLACEHOLDERS))
1446 && count--) {
98c991d1 1447 SV *elt, *keysv;
e1ec3a88 1448 const char *keypv;
98c991d1 1449 STRLEN len;
3967c732 1450 U32 hash = HeHASH(he);
1451
98c991d1 1452 keysv = hv_iterkeysv(he);
93524f2b 1453 keypv = SvPV_const(keysv, len);
3967c732 1454 elt = hv_iterval(hv, he);
98c991d1 1455 Perl_dump_indent(aTHX_ level+1, file, "Elt %s ", pv_display(d, keypv, len, 0, pvlim));
1456 if (SvUTF8(keysv))
c728cb41 1457 PerlIO_printf(file, "[UTF8 \"%s\"] ", sv_uni_display(d, keysv, 8 * sv_len_utf8(keysv), UNI_DISPLAY_QQ));
afce8e55 1458 if (HeKREHASH(he))
1459 PerlIO_printf(file, "[REHASH] ");
98c991d1 1460 PerlIO_printf(file, "HASH = 0x%"UVxf"\n", (UV)hash);
3967c732 1461 do_sv_dump(level+1, file, elt, nest+1, maxnest, dumpops, pvlim);
1462 }
1463 hv_iterinit(hv); /* Return to status quo */
1464 }
1465 break;
1466 case SVt_PVCV:
1467 if (SvPOK(sv))
93524f2b 1468 Perl_dump_indent(aTHX_ level, file, " PROTOTYPE = \"%s\"\n", SvPV_nolen_const(sv));
3967c732 1469 /* FALL THROUGH */
1470 case SVt_PVFM:
1471 do_hv_dump(level, file, " COMP_STASH", CvSTASH(sv));
1472 if (CvSTART(sv))
2814eb74 1473 Perl_dump_indent(aTHX_ level, file, " START = 0x%"UVxf" ===> %"IVdf"\n", PTR2UV(CvSTART(sv)), (IV)sequence_num(aTHX_ CvSTART(sv)));
57def98f 1474 Perl_dump_indent(aTHX_ level, file, " ROOT = 0x%"UVxf"\n", PTR2UV(CvROOT(sv)));
3967c732 1475 if (CvROOT(sv) && dumpops)
1476 do_op_dump(level+1, file, CvROOT(sv));
57def98f 1477 Perl_dump_indent(aTHX_ level, file, " XSUB = 0x%"UVxf"\n", PTR2UV(CvXSUB(sv)));
1478 Perl_dump_indent(aTHX_ level, file, " XSUBANY = %"IVdf"\n", (IV)CvXSUBANY(sv).any_i32);
3967c732 1479 do_gvgv_dump(level, file, " GVGV::GV", CvGV(sv));
57843af0 1480 Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", CvFILE(sv));
57def98f 1481 Perl_dump_indent(aTHX_ level, file, " DEPTH = %"IVdf"\n", (IV)CvDEPTH(sv));
894356b3 1482 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)CvFLAGS(sv));
a3985cdc 1483 Perl_dump_indent(aTHX_ level, file, " OUTSIDE_SEQ = %"UVuf"\n", (UV)CvOUTSIDE_SEQ(sv));
3967c732 1484 if (type == SVt_PVFM)
57def98f 1485 Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)FmLINES(sv));
1486 Perl_dump_indent(aTHX_ level, file, " PADLIST = 0x%"UVxf"\n", PTR2UV(CvPADLIST(sv)));
dd2155a4 1487 if (nest < maxnest) {
1488 do_dump_pad(level+1, file, CvPADLIST(sv), 0);
3967c732 1489 }
1490 {
e1ec3a88 1491 const CV *outside = CvOUTSIDE(sv);
2ef28da1 1492 Perl_dump_indent(aTHX_ level, file, " OUTSIDE = 0x%"UVxf" (%s)\n",
57def98f 1493 PTR2UV(outside),
cf2093f6 1494 (!outside ? "null"
1495 : CvANON(outside) ? "ANON"
1496 : (outside == PL_main_cv) ? "MAIN"
1497 : CvUNIQUE(outside) ? "UNIQUE"
1498 : CvGV(outside) ? GvNAME(CvGV(outside)) : "UNDEFINED"));
3967c732 1499 }
1500 if (nest < maxnest && (CvCLONE(sv) || CvCLONED(sv)))
1501 do_sv_dump(level+1, file, (SV*)CvOUTSIDE(sv), nest+1, maxnest, dumpops, pvlim);
1502 break;
4ce457a6 1503 case SVt_PVGV: case SVt_PVLV:
1504 if (type == SVt_PVLV) {
1505 Perl_dump_indent(aTHX_ level, file, " TYPE = %c\n", LvTYPE(sv));
1506 Perl_dump_indent(aTHX_ level, file, " TARGOFF = %"IVdf"\n", (IV)LvTARGOFF(sv));
1507 Perl_dump_indent(aTHX_ level, file, " TARGLEN = %"IVdf"\n", (IV)LvTARGLEN(sv));
1508 Perl_dump_indent(aTHX_ level, file, " TARG = 0x%"UVxf"\n", PTR2UV(LvTARG(sv)));
1509 if (LvTYPE(sv) != 't' && LvTYPE(sv) != 'T')
1510 do_sv_dump(level+1, file, LvTARG(sv), nest+1, maxnest,
1511 dumpops, pvlim);
1512 }
cea2e8a9 1513 Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", GvNAME(sv));
57def98f 1514 Perl_dump_indent(aTHX_ level, file, " NAMELEN = %"IVdf"\n", (IV)GvNAMELEN(sv));
3967c732 1515 do_hv_dump (level, file, " GvSTASH", GvSTASH(sv));
57def98f 1516 Perl_dump_indent(aTHX_ level, file, " GP = 0x%"UVxf"\n", PTR2UV(GvGP(sv)));
f472eb5c 1517 if (!GvGP(sv))
1518 break;
57def98f 1519 Perl_dump_indent(aTHX_ level, file, " SV = 0x%"UVxf"\n", PTR2UV(GvSV(sv)));
1520 Perl_dump_indent(aTHX_ level, file, " REFCNT = %"IVdf"\n", (IV)GvREFCNT(sv));
1521 Perl_dump_indent(aTHX_ level, file, " IO = 0x%"UVxf"\n", PTR2UV(GvIOp(sv)));
1522 Perl_dump_indent(aTHX_ level, file, " FORM = 0x%"UVxf" \n", PTR2UV(GvFORM(sv)));
1523 Perl_dump_indent(aTHX_ level, file, " AV = 0x%"UVxf"\n", PTR2UV(GvAV(sv)));
1524 Perl_dump_indent(aTHX_ level, file, " HV = 0x%"UVxf"\n", PTR2UV(GvHV(sv)));
1525 Perl_dump_indent(aTHX_ level, file, " CV = 0x%"UVxf"\n", PTR2UV(GvCV(sv)));
1526 Perl_dump_indent(aTHX_ level, file, " CVGEN = 0x%"UVxf"\n", (UV)GvCVGEN(sv));
57def98f 1527 Perl_dump_indent(aTHX_ level, file, " LINE = %"IVdf"\n", (IV)GvLINE(sv));
b195d487 1528 Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", GvFILE(sv));
e39917cc 1529 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)GvFLAGS(sv));
3967c732 1530 do_gv_dump (level, file, " EGV", GvEGV(sv));
1531 break;
1532 case SVt_PVIO:
57def98f 1533 Perl_dump_indent(aTHX_ level, file, " IFP = 0x%"UVxf"\n", PTR2UV(IoIFP(sv)));
1534 Perl_dump_indent(aTHX_ level, file, " OFP = 0x%"UVxf"\n", PTR2UV(IoOFP(sv)));
1535 Perl_dump_indent(aTHX_ level, file, " DIRP = 0x%"UVxf"\n", PTR2UV(IoDIRP(sv)));
1536 Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)IoLINES(sv));
1537 Perl_dump_indent(aTHX_ level, file, " PAGE = %"IVdf"\n", (IV)IoPAGE(sv));
1538 Perl_dump_indent(aTHX_ level, file, " PAGE_LEN = %"IVdf"\n", (IV)IoPAGE_LEN(sv));
1539 Perl_dump_indent(aTHX_ level, file, " LINES_LEFT = %"IVdf"\n", (IV)IoLINES_LEFT(sv));
27533608 1540 if (IoTOP_NAME(sv))
cea2e8a9 1541 Perl_dump_indent(aTHX_ level, file, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
3967c732 1542 do_gv_dump (level, file, " TOP_GV", IoTOP_GV(sv));
27533608 1543 if (IoFMT_NAME(sv))
cea2e8a9 1544 Perl_dump_indent(aTHX_ level, file, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
3967c732 1545 do_gv_dump (level, file, " FMT_GV", IoFMT_GV(sv));
27533608 1546 if (IoBOTTOM_NAME(sv))
cea2e8a9 1547 Perl_dump_indent(aTHX_ level, file, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
3967c732 1548 do_gv_dump (level, file, " BOTTOM_GV", IoBOTTOM_GV(sv));
57def98f 1549 Perl_dump_indent(aTHX_ level, file, " SUBPROCESS = %"IVdf"\n", (IV)IoSUBPROCESS(sv));
27533608 1550 if (isPRINT(IoTYPE(sv)))
cea2e8a9 1551 Perl_dump_indent(aTHX_ level, file, " TYPE = '%c'\n", IoTYPE(sv));
27533608 1552 else
cea2e8a9 1553 Perl_dump_indent(aTHX_ level, file, " TYPE = '\\%o'\n", IoTYPE(sv));
57def98f 1554 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)IoFLAGS(sv));
3967c732 1555 break;
1556 }
cea89e20 1557 SvREFCNT_dec(d);
3967c732 1558}
1559
1560void
864dbfa3 1561Perl_sv_dump(pTHX_ SV *sv)
3967c732 1562{
1563 do_sv_dump(0, Perl_debug_log, sv, 0, 0, 0, 0);
8d063cd8 1564}
bd16a5f0 1565
1566int
1567Perl_runops_debug(pTHX)
1568{
1569 if (!PL_op) {
1570 if (ckWARN_d(WARN_DEBUGGING))
9014280d 1571 Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), "NULL OP IN RUN");
bd16a5f0 1572 return 0;
1573 }
1574
9f3673fb 1575 DEBUG_l(Perl_deb(aTHX_ "Entering new RUNOPS level\n"));
bd16a5f0 1576 do {
1577 PERL_ASYNC_CHECK();
1578 if (PL_debug) {
1579 if (PL_watchaddr != 0 && *PL_watchaddr != PL_watchok)
1580 PerlIO_printf(Perl_debug_log,
1581 "WARNING: %"UVxf" changed from %"UVxf" to %"UVxf"\n",
1582 PTR2UV(PL_watchaddr), PTR2UV(PL_watchok),
1583 PTR2UV(*PL_watchaddr));
d6721266 1584 if (DEBUG_s_TEST_) {
1585 if (DEBUG_v_TEST_) {
1586 PerlIO_printf(Perl_debug_log, "\n");
1587 deb_stack_all();
1588 }
1589 else
1590 debstack();
1591 }
1592
1593
bd16a5f0 1594 if (DEBUG_t_TEST_) debop(PL_op);
1595 if (DEBUG_P_TEST_) debprof(PL_op);
1596 }
1597 } while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX)));
9f3673fb 1598 DEBUG_l(Perl_deb(aTHX_ "leaving RUNOPS level\n"));
bd16a5f0 1599
1600 TAINT_NOT;
1601 return 0;
1602}
1603
1604I32
6867be6d 1605Perl_debop(pTHX_ const OP *o)
bd16a5f0 1606{
1045810a 1607 if (CopSTASH_eq(PL_curcop, PL_debstash) && !DEBUG_J_TEST_)
1608 return 0;
1609
bd16a5f0 1610 Perl_deb(aTHX_ "%s", OP_NAME(o));
1611 switch (o->op_type) {
1612 case OP_CONST:
1613 PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOPo_sv));
1614 break;
1615 case OP_GVSV:
1616 case OP_GV:
1617 if (cGVOPo_gv) {
a3b680e6 1618 SV *sv = NEWSV(0,0);
bd16a5f0 1619 gv_fullname3(sv, cGVOPo_gv, Nullch);
93524f2b 1620 PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen_const(sv));
bd16a5f0 1621 SvREFCNT_dec(sv);
1622 }
1623 else
1624 PerlIO_printf(Perl_debug_log, "(NULL)");
1625 break;
1626 case OP_PADSV:
1627 case OP_PADAV:
1628 case OP_PADHV:
a3b680e6 1629 {
bd16a5f0 1630 /* print the lexical's name */
a3b680e6 1631 CV *cv = deb_curcv(cxstack_ix);
1632 SV *sv;
bd16a5f0 1633 if (cv) {
b464bac0 1634 AV * const padlist = CvPADLIST(cv);
1635 AV * const comppad = (AV*)(*av_fetch(padlist, 0, FALSE));
bd16a5f0 1636 sv = *av_fetch(comppad, o->op_targ, FALSE);
1637 } else
1638 sv = Nullsv;
1639 if (sv)
93524f2b 1640 PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen_const(sv));
bd16a5f0 1641 else
1642 PerlIO_printf(Perl_debug_log, "[%"UVuf"]", (UV)o->op_targ);
a3b680e6 1643 }
bd16a5f0 1644 break;
1645 default:
091ab601 1646 break;
bd16a5f0 1647 }
1648 PerlIO_printf(Perl_debug_log, "\n");
1649 return 0;
1650}
1651
1652STATIC CV*
1653S_deb_curcv(pTHX_ I32 ix)
1654{
e1ec3a88 1655 const PERL_CONTEXT *cx = &cxstack[ix];
bd16a5f0 1656 if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT)
1657 return cx->blk_sub.cv;
1658 else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx))
1659 return PL_compcv;
1660 else if (ix == 0 && PL_curstackinfo->si_type == PERLSI_MAIN)
1661 return PL_main_cv;
1662 else if (ix <= 0)
1663 return Nullcv;
1664 else
1665 return deb_curcv(ix - 1);
1666}
1667
1668void
1669Perl_watch(pTHX_ char **addr)
1670{
1671 PL_watchaddr = addr;
1672 PL_watchok = *addr;
1673 PerlIO_printf(Perl_debug_log, "WATCHING, %"UVxf" is currently %"UVxf"\n",
1674 PTR2UV(PL_watchaddr), PTR2UV(PL_watchok));
1675}
1676
1677STATIC void
e1ec3a88 1678S_debprof(pTHX_ const OP *o)
bd16a5f0 1679{
1045810a 1680 if (CopSTASH_eq(PL_curcop, PL_debstash) && !DEBUG_J_TEST_)
1681 return;
bd16a5f0 1682 if (!PL_profiledata)
a02a5408 1683 Newxz(PL_profiledata, MAXO, U32);
bd16a5f0 1684 ++PL_profiledata[o->op_type];
1685}
1686
1687void
1688Perl_debprofdump(pTHX)
1689{
1690 unsigned i;
1691 if (!PL_profiledata)
1692 return;
1693 for (i = 0; i < MAXO; i++) {
1694 if (PL_profiledata[i])
1695 PerlIO_printf(Perl_debug_log,
1696 "%5lu %s\n", (unsigned long)PL_profiledata[i],
1697 PL_op_name[i]);
1698 }
1699}
66610fdd 1700
1701/*
1702 * Local variables:
1703 * c-indentation-style: bsd
1704 * c-basic-offset: 4
1705 * indent-tabs-mode: t
1706 * End:
1707 *
37442d52 1708 * ex: set ts=8 sts=4 sw=4 noet:
1709 */
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