source: vendor/perl/5.8.8/dump.c@ 3482

Last change on this file since 3482 was 3181, checked in by bird, 19 years ago

perl 5.8.8
File size: 46.9 KB
Line 
1/* dump.c
2 *
3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
5 *
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.
8 *
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.'"
14 */
15
16/* This file contains utility routines to dump the contents of SV and OP
17 * structures, as used by command-line options like -Dt and -Dx, and
18 * by Devel::Peek.
19 *
20 * It also holds the debugging version of the runops function.
21 */
22
23#include "EXTERN.h"
24#define PERL_IN_DUMP_C
25#include "perl.h"
26#include "regcomp.h"
27
28void
29Perl_dump_indent(pTHX_ I32 level, PerlIO *file, const char* pat, ...)
30{
31 va_list args;
32 va_start(args, pat);
33 dump_vindent(level, file, pat, &args);
34 va_end(args);
35}
36
37void
38Perl_dump_vindent(pTHX_ I32 level, PerlIO *file, const char* pat, va_list *args)
39{
40 PerlIO_printf(file, "%*s", (int)(level*PL_dumpindent), "");
41 PerlIO_vprintf(file, pat, *args);
42}
43
44void
45Perl_dump_all(pTHX)
46{
47 PerlIO_setlinebuf(Perl_debug_log);
48 if (PL_main_root)
49 op_dump(PL_main_root);
50 dump_packsubs(PL_defstash);
51}
52
53void
54Perl_dump_packsubs(pTHX_ HV *stash)
55{
56 I32 i;
57
58 if (!HvARRAY(stash))
59 return;
60 for (i = 0; i <= (I32) HvMAX(stash); i++) {
61 const HE *entry;
62 for (entry = HvARRAY(stash)[i]; entry; entry = HeNEXT(entry)) {
63 const GV *gv = (GV*)HeVAL(entry);
64 const HV *hv;
65 if (SvTYPE(gv) != SVt_PVGV || !GvGP(gv))
66 continue;
67 if (GvCVu(gv))
68 dump_sub((GV *)gv);
69 if (GvFORM(gv))
70 dump_form((GV *)gv);
71 if (HeKEY(entry)[HeKLEN(entry)-1] == ':'
72 && (hv = GvHV(gv)) && hv != PL_defstash)
73 dump_packsubs((HV *) hv); /* nested package */
74 }
75 }
76}
77
78void
79Perl_dump_sub(pTHX_ GV *gv)
80{
81 SV * const sv = sv_newmortal();
82
83 gv_fullname3(sv, gv, Nullch);
84 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nSUB %s = ", SvPVX_const(sv));
85 if (CvXSUB(GvCV(gv)))
86 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "(xsub 0x%"UVxf" %d)\n",
87 PTR2UV(CvXSUB(GvCV(gv))),
88 (int)CvXSUBANY(GvCV(gv)).any_i32);
89 else if (CvROOT(GvCV(gv)))
90 op_dump(CvROOT(GvCV(gv)));
91 else
92 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
93}
94
95void
96Perl_dump_form(pTHX_ GV *gv)
97{
98 SV * const sv = sv_newmortal();
99
100 gv_fullname3(sv, gv, Nullch);
101 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nFORMAT %s = ", SvPVX_const(sv));
102 if (CvROOT(GvFORM(gv)))
103 op_dump(CvROOT(GvFORM(gv)));
104 else
105 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "<undef>\n");
106}
107
108void
109Perl_dump_eval(pTHX)
110{
111 op_dump(PL_eval_root);
112}
113
114char *
115Perl_pv_display(pTHX_ SV *dsv, char *pv, STRLEN cur, STRLEN len, STRLEN pvlim)
116{
117 const bool nul_terminated = len > cur && pv[cur] == '\0';
118 bool truncated = 0;
119
120 sv_setpvn(dsv, "\"", 1);
121 for (; cur--; pv++) {
122 if (pvlim && SvCUR(dsv) >= pvlim) {
123 truncated = 1;
124 break;
125 }
126 switch (*pv) {
127 case '\t': sv_catpvn(dsv, "\\t", 2); break;
128 case '\n': sv_catpvn(dsv, "\\n", 2); break;
129 case '\r': sv_catpvn(dsv, "\\r", 2); break;
130 case '\f': sv_catpvn(dsv, "\\f", 2); break;
131 case '"': sv_catpvn(dsv, "\\\"", 2); break;
132 case '\\': sv_catpvn(dsv, "\\\\", 2); break;
133 default:
134 if (isPRINT(*pv))
135 sv_catpvn(dsv, pv, 1);
136 else if (cur && isDIGIT(*(pv+1)))
137 Perl_sv_catpvf(aTHX_ dsv, "\\%03o", (U8)*pv);
138 else
139 Perl_sv_catpvf(aTHX_ dsv, "\\%o", (U8)*pv);
140 }
141 }
142 sv_catpvn(dsv, "\"", 1);
143 if (truncated)
144 sv_catpvn(dsv, "...", 3);
145 if (nul_terminated)
146 sv_catpvn(dsv, "\\0", 2);
147
148 return SvPVX(dsv);
149}
150
151char *
152Perl_sv_peek(pTHX_ SV *sv)
153{
154 SV * const t = sv_newmortal();
155 int unref = 0;
156
157 sv_setpvn(t, "", 0);
158 retry:
159 if (!sv) {
160 sv_catpv(t, "VOID");
161 goto finish;
162 }
163 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
164 sv_catpv(t, "WILD");
165 goto finish;
166 }
167 else if (sv == &PL_sv_undef || sv == &PL_sv_no || sv == &PL_sv_yes || sv == &PL_sv_placeholder) {
168 if (sv == &PL_sv_undef) {
169 sv_catpv(t, "SV_UNDEF");
170 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
171 SVs_GMG|SVs_SMG|SVs_RMG)) &&
172 SvREADONLY(sv))
173 goto finish;
174 }
175 else if (sv == &PL_sv_no) {
176 sv_catpv(t, "SV_NO");
177 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
178 SVs_GMG|SVs_SMG|SVs_RMG)) &&
179 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
180 SVp_POK|SVp_NOK)) &&
181 SvCUR(sv) == 0 &&
182 SvNVX(sv) == 0.0)
183 goto finish;
184 }
185 else if (sv == &PL_sv_yes) {
186 sv_catpv(t, "SV_YES");
187 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
188 SVs_GMG|SVs_SMG|SVs_RMG)) &&
189 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
190 SVp_POK|SVp_NOK)) &&
191 SvCUR(sv) == 1 &&
192 SvPVX_const(sv) && *SvPVX_const(sv) == '1' &&
193 SvNVX(sv) == 1.0)
194 goto finish;
195 }
196 else {
197 sv_catpv(t, "SV_PLACEHOLDER");
198 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
199 SVs_GMG|SVs_SMG|SVs_RMG)) &&
200 SvREADONLY(sv))
201 goto finish;
202 }
203 sv_catpv(t, ":");
204 }
205 else if (SvREFCNT(sv) == 0) {
206 sv_catpv(t, "(");
207 unref++;
208 }
209 else if (DEBUG_R_TEST_) {
210 int is_tmp = 0;
211 I32 ix;
212 /* is this SV on the tmps stack? */
213 for (ix=PL_tmps_ix; ix>=0; ix--) {
214 if (PL_tmps_stack[ix] == sv) {
215 is_tmp = 1;
216 break;
217 }
218 }
219 if (SvREFCNT(sv) > 1)
220 Perl_sv_catpvf(aTHX_ t, "<%"UVuf"%s>", (UV)SvREFCNT(sv),
221 is_tmp ? "T" : "");
222 else if (is_tmp)
223 sv_catpv(t, "<T>");
224 }
225
226 if (SvROK(sv)) {
227 sv_catpv(t, "\\");
228 if (SvCUR(t) + unref > 10) {
229 SvCUR_set(t, unref + 3);
230 *SvEND(t) = '\0';
231 sv_catpv(t, "...");
232 goto finish;
233 }
234 sv = (SV*)SvRV(sv);
235 goto retry;
236 }
237 switch (SvTYPE(sv)) {
238 default:
239 sv_catpv(t, "FREED");
240 goto finish;
241
242 case SVt_NULL:
243 sv_catpv(t, "UNDEF");
244 goto finish;
245 case SVt_IV:
246 sv_catpv(t, "IV");
247 break;
248 case SVt_NV:
249 sv_catpv(t, "NV");
250 break;
251 case SVt_RV:
252 sv_catpv(t, "RV");
253 break;
254 case SVt_PV:
255 sv_catpv(t, "PV");
256 break;
257 case SVt_PVIV:
258 sv_catpv(t, "PVIV");
259 break;
260 case SVt_PVNV:
261 sv_catpv(t, "PVNV");
262 break;
263 case SVt_PVMG:
264 sv_catpv(t, "PVMG");
265 break;
266 case SVt_PVLV:
267 sv_catpv(t, "PVLV");
268 break;
269 case SVt_PVAV:
270 sv_catpv(t, "AV");
271 break;
272 case SVt_PVHV:
273 sv_catpv(t, "HV");
274 break;
275 case SVt_PVCV:
276 if (CvGV(sv))
277 Perl_sv_catpvf(aTHX_ t, "CV(%s)", GvNAME(CvGV(sv)));
278 else
279 sv_catpv(t, "CV()");
280 goto finish;
281 case SVt_PVGV:
282 sv_catpv(t, "GV");
283 break;
284 case SVt_PVBM:
285 sv_catpv(t, "BM");
286 break;
287 case SVt_PVFM:
288 sv_catpv(t, "FM");
289 break;
290 case SVt_PVIO:
291 sv_catpv(t, "IO");
292 break;
293 }
294
295 if (SvPOKp(sv)) {
296 if (!SvPVX_const(sv))
297 sv_catpv(t, "(null)");
298 else {
299 SV *tmp = newSVpvn("", 0);
300 sv_catpv(t, "(");
301 if (SvOOK(sv))
302 Perl_sv_catpvf(aTHX_ t, "[%s]", pv_display(tmp, (char *)SvPVX_const(sv)-SvIVX(sv), SvIVX(sv), 0, 127));
303 Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, (char *)SvPVX_const(sv), SvCUR(sv), SvLEN(sv), 127));
304 if (SvUTF8(sv))
305 Perl_sv_catpvf(aTHX_ t, " [UTF8 \"%s\"]",
306 sv_uni_display(tmp, sv, 8 * sv_len_utf8(sv),
307 UNI_DISPLAY_QQ));
308 SvREFCNT_dec(tmp);
309 }
310 }
311 else if (SvNOKp(sv)) {
312 STORE_NUMERIC_LOCAL_SET_STANDARD();
313 Perl_sv_catpvf(aTHX_ t, "(%"NVgf")",SvNVX(sv));
314 RESTORE_NUMERIC_LOCAL();
315 }
316 else if (SvIOKp(sv)) {
317 if (SvIsUV(sv))
318 Perl_sv_catpvf(aTHX_ t, "(%"UVuf")", (UV)SvUVX(sv));
319 else
320 Perl_sv_catpvf(aTHX_ t, "(%"IVdf")", (IV)SvIVX(sv));
321 }
322 else
323 sv_catpv(t, "()");
324
325 finish:
326 if (unref) {
327 while (unref--)
328 sv_catpv(t, ")");
329 }
330 return SvPV_nolen(t);
331}
332
333void
334Perl_do_pmop_dump(pTHX_ I32 level, PerlIO *file, PMOP *pm)
335{
336 char ch;
337
338 if (!pm) {
339 Perl_dump_indent(aTHX_ level, file, "{}\n");
340 return;
341 }
342 Perl_dump_indent(aTHX_ level, file, "{\n");
343 level++;
344 if (pm->op_pmflags & PMf_ONCE)
345 ch = '?';
346 else
347 ch = '/';
348 if (PM_GETRE(pm))
349 Perl_dump_indent(aTHX_ level, file, "PMf_PRE %c%s%c%s\n",
350 ch, PM_GETRE(pm)->precomp, ch,
351 (pm->op_private & OPpRUNTIME) ? " (RUNTIME)" : "");
352 else
353 Perl_dump_indent(aTHX_ level, file, "PMf_PRE (RUNTIME)\n");
354 if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) {
355 Perl_dump_indent(aTHX_ level, file, "PMf_REPL = ");
356 op_dump(pm->op_pmreplroot);
357 }
358 if (pm->op_pmflags || (PM_GETRE(pm) && PM_GETRE(pm)->check_substr)) {
359 SV *tmpsv = newSVpvn("", 0);
360 if (pm->op_pmdynflags & PMdf_USED)
361 sv_catpv(tmpsv, ",USED");
362 if (pm->op_pmdynflags & PMdf_TAINTED)
363 sv_catpv(tmpsv, ",TAINTED");
364 if (pm->op_pmflags & PMf_ONCE)
365 sv_catpv(tmpsv, ",ONCE");
366 if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
367 && !(PM_GETRE(pm)->reganch & ROPT_NOSCAN))
368 sv_catpv(tmpsv, ",SCANFIRST");
369 if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
370 && PM_GETRE(pm)->reganch & ROPT_CHECK_ALL)
371 sv_catpv(tmpsv, ",ALL");
372 if (pm->op_pmflags & PMf_SKIPWHITE)
373 sv_catpv(tmpsv, ",SKIPWHITE");
374 if (pm->op_pmflags & PMf_CONST)
375 sv_catpv(tmpsv, ",CONST");
376 if (pm->op_pmflags & PMf_KEEP)
377 sv_catpv(tmpsv, ",KEEP");
378 if (pm->op_pmflags & PMf_GLOBAL)
379 sv_catpv(tmpsv, ",GLOBAL");
380 if (pm->op_pmflags & PMf_CONTINUE)
381 sv_catpv(tmpsv, ",CONTINUE");
382 if (pm->op_pmflags & PMf_RETAINT)
383 sv_catpv(tmpsv, ",RETAINT");
384 if (pm->op_pmflags & PMf_EVAL)
385 sv_catpv(tmpsv, ",EVAL");
386 Perl_dump_indent(aTHX_ level, file, "PMFLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX_const(tmpsv) + 1 : "");
387 SvREFCNT_dec(tmpsv);
388 }
389
390 Perl_dump_indent(aTHX_ level-1, file, "}\n");
391}
392
393void
394Perl_pmop_dump(pTHX_ PMOP *pm)
395{
396 do_pmop_dump(0, Perl_debug_log, pm);
397}
398
399void
400Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
401{
402 Perl_dump_indent(aTHX_ level, file, "{\n");
403 level++;
404 if (o->op_seq)
405 PerlIO_printf(file, "%-4d", o->op_seq);
406 else
407 PerlIO_printf(file, " ");
408 PerlIO_printf(file,
409 "%*sTYPE = %s ===> ",
410 (int)(PL_dumpindent*level-4), "", OP_NAME(o));
411 if (o->op_next) {
412 if (o->op_seq)
413 PerlIO_printf(file, "%d\n", o->op_next->op_seq);
414 else
415 PerlIO_printf(file, "(%d)\n", o->op_next->op_seq);
416 }
417 else
418 PerlIO_printf(file, "DONE\n");
419 if (o->op_targ) {
420 if (o->op_type == OP_NULL)
421 {
422 Perl_dump_indent(aTHX_ level, file, " (was %s)\n", PL_op_name[o->op_targ]);
423 if (o->op_targ == OP_NEXTSTATE)
424 {
425 if (CopLINE(cCOPo))
426 Perl_dump_indent(aTHX_ level, file, "LINE = %"UVf"\n",
427 (UV)CopLINE(cCOPo));
428 if (CopSTASHPV(cCOPo))
429 Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
430 CopSTASHPV(cCOPo));
431 if (cCOPo->cop_label)
432 Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
433 cCOPo->cop_label);
434 }
435 }
436 else
437 Perl_dump_indent(aTHX_ level, file, "TARG = %ld\n", (long)o->op_targ);
438 }
439#ifdef DUMPADDR
440 Perl_dump_indent(aTHX_ level, file, "ADDR = 0x%"UVxf" => 0x%"UVxf"\n", (UV)o, (UV)o->op_next);
441#endif
442 if (o->op_flags) {
443 SV *tmpsv = newSVpvn("", 0);
444 switch (o->op_flags & OPf_WANT) {
445 case OPf_WANT_VOID:
446 sv_catpv(tmpsv, ",VOID");
447 break;
448 case OPf_WANT_SCALAR:
449 sv_catpv(tmpsv, ",SCALAR");
450 break;
451 case OPf_WANT_LIST:
452 sv_catpv(tmpsv, ",LIST");
453 break;
454 default:
455 sv_catpv(tmpsv, ",UNKNOWN");
456 break;
457 }
458 if (o->op_flags & OPf_KIDS)
459 sv_catpv(tmpsv, ",KIDS");
460 if (o->op_flags & OPf_PARENS)
461 sv_catpv(tmpsv, ",PARENS");
462 if (o->op_flags & OPf_STACKED)
463 sv_catpv(tmpsv, ",STACKED");
464 if (o->op_flags & OPf_REF)
465 sv_catpv(tmpsv, ",REF");
466 if (o->op_flags & OPf_MOD)
467 sv_catpv(tmpsv, ",MOD");
468 if (o->op_flags & OPf_SPECIAL)
469 sv_catpv(tmpsv, ",SPECIAL");
470 Perl_dump_indent(aTHX_ level, file, "FLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX_const(tmpsv) + 1 : "");
471 SvREFCNT_dec(tmpsv);
472 }
473 if (o->op_private) {
474 SV *tmpsv = newSVpvn("", 0);
475 if (PL_opargs[o->op_type] & OA_TARGLEX) {
476 if (o->op_private & OPpTARGET_MY)
477 sv_catpv(tmpsv, ",TARGET_MY");
478 }
479 else if (o->op_type == OP_LEAVESUB ||
480 o->op_type == OP_LEAVE ||
481 o->op_type == OP_LEAVESUBLV ||
482 o->op_type == OP_LEAVEWRITE) {
483 if (o->op_private & OPpREFCOUNTED)
484 sv_catpv(tmpsv, ",REFCOUNTED");
485 }
486 else if (o->op_type == OP_AASSIGN) {
487 if (o->op_private & OPpASSIGN_COMMON)
488 sv_catpv(tmpsv, ",COMMON");
489 if (o->op_private & OPpASSIGN_HASH)
490 sv_catpv(tmpsv, ",HASH");
491 }
492 else if (o->op_type == OP_SASSIGN) {
493 if (o->op_private & OPpASSIGN_BACKWARDS)
494 sv_catpv(tmpsv, ",BACKWARDS");
495 }
496 else if (o->op_type == OP_TRANS) {
497 if (o->op_private & OPpTRANS_SQUASH)
498 sv_catpv(tmpsv, ",SQUASH");
499 if (o->op_private & OPpTRANS_DELETE)
500 sv_catpv(tmpsv, ",DELETE");
501 if (o->op_private & OPpTRANS_COMPLEMENT)
502 sv_catpv(tmpsv, ",COMPLEMENT");
503 if (o->op_private & OPpTRANS_IDENTICAL)
504 sv_catpv(tmpsv, ",IDENTICAL");
505 if (o->op_private & OPpTRANS_GROWS)
506 sv_catpv(tmpsv, ",GROWS");
507 }
508 else if (o->op_type == OP_REPEAT) {
509 if (o->op_private & OPpREPEAT_DOLIST)
510 sv_catpv(tmpsv, ",DOLIST");
511 }
512 else if (o->op_type == OP_ENTERSUB ||
513 o->op_type == OP_RV2SV ||
514 o->op_type == OP_GVSV ||
515 o->op_type == OP_RV2AV ||
516 o->op_type == OP_RV2HV ||
517 o->op_type == OP_RV2GV ||
518 o->op_type == OP_AELEM ||
519 o->op_type == OP_HELEM )
520 {
521 if (o->op_type == OP_ENTERSUB) {
522 if (o->op_private & OPpENTERSUB_AMPER)
523 sv_catpv(tmpsv, ",AMPER");
524 if (o->op_private & OPpENTERSUB_DB)
525 sv_catpv(tmpsv, ",DB");
526 if (o->op_private & OPpENTERSUB_HASTARG)
527 sv_catpv(tmpsv, ",HASTARG");
528 if (o->op_private & OPpENTERSUB_NOPAREN)
529 sv_catpv(tmpsv, ",NOPAREN");
530 if (o->op_private & OPpENTERSUB_INARGS)
531 sv_catpv(tmpsv, ",INARGS");
532 if (o->op_private & OPpENTERSUB_NOMOD)
533 sv_catpv(tmpsv, ",NOMOD");
534 }
535 else {
536 switch (o->op_private & OPpDEREF) {
537 case OPpDEREF_SV:
538 sv_catpv(tmpsv, ",SV");
539 break;
540 case OPpDEREF_AV:
541 sv_catpv(tmpsv, ",AV");
542 break;
543 case OPpDEREF_HV:
544 sv_catpv(tmpsv, ",HV");
545 break;
546 }
547 if (o->op_private & OPpMAYBE_LVSUB)
548 sv_catpv(tmpsv, ",MAYBE_LVSUB");
549 }
550 if (o->op_type == OP_AELEM || o->op_type == OP_HELEM) {
551 if (o->op_private & OPpLVAL_DEFER)
552 sv_catpv(tmpsv, ",LVAL_DEFER");
553 }
554 else {
555 if (o->op_private & HINT_STRICT_REFS)
556 sv_catpv(tmpsv, ",STRICT_REFS");
557 if (o->op_private & OPpOUR_INTRO)
558 sv_catpv(tmpsv, ",OUR_INTRO");
559 }
560 }
561 else if (o->op_type == OP_CONST) {
562 if (o->op_private & OPpCONST_BARE)
563 sv_catpv(tmpsv, ",BARE");
564 if (o->op_private & OPpCONST_STRICT)
565 sv_catpv(tmpsv, ",STRICT");
566 if (o->op_private & OPpCONST_ARYBASE)
567 sv_catpv(tmpsv, ",ARYBASE");
568 if (o->op_private & OPpCONST_WARNING)
569 sv_catpv(tmpsv, ",WARNING");
570 if (o->op_private & OPpCONST_ENTERED)
571 sv_catpv(tmpsv, ",ENTERED");
572 }
573 else if (o->op_type == OP_FLIP) {
574 if (o->op_private & OPpFLIP_LINENUM)
575 sv_catpv(tmpsv, ",LINENUM");
576 }
577 else if (o->op_type == OP_FLOP) {
578 if (o->op_private & OPpFLIP_LINENUM)
579 sv_catpv(tmpsv, ",LINENUM");
580 }
581 else if (o->op_type == OP_RV2CV) {
582 if (o->op_private & OPpLVAL_INTRO)
583 sv_catpv(tmpsv, ",INTRO");
584 }
585 else if (o->op_type == OP_GV) {
586 if (o->op_private & OPpEARLY_CV)
587 sv_catpv(tmpsv, ",EARLY_CV");
588 }
589 else if (o->op_type == OP_LIST) {
590 if (o->op_private & OPpLIST_GUESSED)
591 sv_catpv(tmpsv, ",GUESSED");
592 }
593 else if (o->op_type == OP_DELETE) {
594 if (o->op_private & OPpSLICE)
595 sv_catpv(tmpsv, ",SLICE");
596 }
597 else if (o->op_type == OP_EXISTS) {
598 if (o->op_private & OPpEXISTS_SUB)
599 sv_catpv(tmpsv, ",EXISTS_SUB");
600 }
601 else if (o->op_type == OP_SORT) {
602 if (o->op_private & OPpSORT_NUMERIC)
603 sv_catpv(tmpsv, ",NUMERIC");
604 if (o->op_private & OPpSORT_INTEGER)
605 sv_catpv(tmpsv, ",INTEGER");
606 if (o->op_private & OPpSORT_REVERSE)
607 sv_catpv(tmpsv, ",REVERSE");
608 }
609 else if (o->op_type == OP_THREADSV) {
610 if (o->op_private & OPpDONE_SVREF)
611 sv_catpv(tmpsv, ",SVREF");
612 }
613 else if (o->op_type == OP_OPEN || o->op_type == OP_BACKTICK) {
614 if (o->op_private & OPpOPEN_IN_RAW)
615 sv_catpv(tmpsv, ",IN_RAW");
616 if (o->op_private & OPpOPEN_IN_CRLF)
617 sv_catpv(tmpsv, ",IN_CRLF");
618 if (o->op_private & OPpOPEN_OUT_RAW)
619 sv_catpv(tmpsv, ",OUT_RAW");
620 if (o->op_private & OPpOPEN_OUT_CRLF)
621 sv_catpv(tmpsv, ",OUT_CRLF");
622 }
623 else if (o->op_type == OP_EXIT) {
624 if (o->op_private & OPpEXIT_VMSISH)
625 sv_catpv(tmpsv, ",EXIT_VMSISH");
626 if (o->op_private & OPpHUSH_VMSISH)
627 sv_catpv(tmpsv, ",HUSH_VMSISH");
628 }
629 else if (o->op_type == OP_DIE) {
630 if (o->op_private & OPpHUSH_VMSISH)
631 sv_catpv(tmpsv, ",HUSH_VMSISH");
632 }
633 else if (OP_IS_FILETEST_ACCESS(o)) {
634 if (o->op_private & OPpFT_ACCESS)
635 sv_catpv(tmpsv, ",FT_ACCESS");
636 }
637 if (o->op_flags & OPf_MOD && o->op_private & OPpLVAL_INTRO)
638 sv_catpv(tmpsv, ",INTRO");
639 if (SvCUR(tmpsv))
640 Perl_dump_indent(aTHX_ level, file, "PRIVATE = (%s)\n", SvPVX_const(tmpsv) + 1);
641 SvREFCNT_dec(tmpsv);
642 }
643
644 switch (o->op_type) {
645 case OP_AELEMFAST:
646 case OP_GVSV:
647 case OP_GV:
648#ifdef USE_ITHREADS
649 Perl_dump_indent(aTHX_ level, file, "PADIX = %" IVdf "\n", (IV)cPADOPo->op_padix);
650#else
651 if ( ! PL_op->op_flags & OPf_SPECIAL) { /* not lexical */
652 if (cSVOPo->op_sv) {
653 SV *tmpsv = NEWSV(0,0);
654 ENTER;
655 SAVEFREESV(tmpsv);
656 gv_fullname3(tmpsv, (GV*)cSVOPo->op_sv, Nullch);
657 Perl_dump_indent(aTHX_ level, file, "GV = %s\n",
658 SvPV_nolen_const(tmpsv));
659 LEAVE;
660 }
661 else
662 Perl_dump_indent(aTHX_ level, file, "GV = NULL\n");
663 }
664#endif
665 break;
666 case OP_CONST:
667 case OP_METHOD_NAMED:
668#ifndef USE_ITHREADS
669 /* with ITHREADS, consts are stored in the pad, and the right pad
670 * may not be active here, so skip */
671 Perl_dump_indent(aTHX_ level, file, "SV = %s\n", SvPEEK(cSVOPo_sv));
672#endif
673 break;
674 case OP_SETSTATE:
675 case OP_NEXTSTATE:
676 case OP_DBSTATE:
677 if (CopLINE(cCOPo))
678 Perl_dump_indent(aTHX_ level, file, "LINE = %"UVf"\n",
679 (UV)CopLINE(cCOPo));
680 if (CopSTASHPV(cCOPo))
681 Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
682 CopSTASHPV(cCOPo));
683 if (cCOPo->cop_label)
684 Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
685 cCOPo->cop_label);
686 break;
687 case OP_ENTERLOOP:
688 Perl_dump_indent(aTHX_ level, file, "REDO ===> ");
689 if (cLOOPo->op_redoop)
690 PerlIO_printf(file, "%d\n", cLOOPo->op_redoop->op_seq);
691 else
692 PerlIO_printf(file, "DONE\n");
693 Perl_dump_indent(aTHX_ level, file, "NEXT ===> ");
694 if (cLOOPo->op_nextop)
695 PerlIO_printf(file, "%d\n", cLOOPo->op_nextop->op_seq);
696 else
697 PerlIO_printf(file, "DONE\n");
698 Perl_dump_indent(aTHX_ level, file, "LAST ===> ");
699 if (cLOOPo->op_lastop)
700 PerlIO_printf(file, "%d\n", cLOOPo->op_lastop->op_seq);
701 else
702 PerlIO_printf(file, "DONE\n");
703 break;
704 case OP_COND_EXPR:
705 case OP_RANGE:
706 case OP_MAPWHILE:
707 case OP_GREPWHILE:
708 case OP_OR:
709 case OP_AND:
710 Perl_dump_indent(aTHX_ level, file, "OTHER ===> ");
711 if (cLOGOPo->op_other)
712 PerlIO_printf(file, "%d\n", cLOGOPo->op_other->op_seq);
713 else
714 PerlIO_printf(file, "DONE\n");
715 break;
716 case OP_PUSHRE:
717 case OP_MATCH:
718 case OP_QR:
719 case OP_SUBST:
720 do_pmop_dump(level, file, cPMOPo);
721 break;
722 case OP_LEAVE:
723 case OP_LEAVEEVAL:
724 case OP_LEAVESUB:
725 case OP_LEAVESUBLV:
726 case OP_LEAVEWRITE:
727 case OP_SCOPE:
728 if (o->op_private & OPpREFCOUNTED)
729 Perl_dump_indent(aTHX_ level, file, "REFCNT = %"UVuf"\n", (UV)o->op_targ);
730 break;
731 default:
732 break;
733 }
734 if (o->op_flags & OPf_KIDS) {
735 OP *kid;
736 for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
737 do_op_dump(level, file, kid);
738 }
739 Perl_dump_indent(aTHX_ level-1, file, "}\n");
740}
741
742void
743Perl_op_dump(pTHX_ OP *o)
744{
745 do_op_dump(0, Perl_debug_log, o);
746}
747
748void
749Perl_gv_dump(pTHX_ GV *gv)
750{
751 SV *sv;
752
753 if (!gv) {
754 PerlIO_printf(Perl_debug_log, "{}\n");
755 return;
756 }
757 sv = sv_newmortal();
758 PerlIO_printf(Perl_debug_log, "{\n");
759 gv_fullname3(sv, gv, Nullch);
760 Perl_dump_indent(aTHX_ 1, Perl_debug_log, "GV_NAME = %s", SvPVX_const(sv));
761 if (gv != GvEGV(gv)) {
762 gv_efullname3(sv, GvEGV(gv), Nullch);
763 Perl_dump_indent(aTHX_ 1, Perl_debug_log, "-> %s", SvPVX_const(sv));
764 }
765 PerlIO_putc(Perl_debug_log, '\n');
766 Perl_dump_indent(aTHX_ 0, Perl_debug_log, "}\n");
767}
768
769
770/* map magic types to the symbolic names
771 * (with the PERL_MAGIC_ prefixed stripped)
772 */
773
774static const struct { const char type; const char *name; } magic_names[] = {
775 { PERL_MAGIC_sv, "sv(\\0)" },
776 { PERL_MAGIC_arylen, "arylen(#)" },
777 { PERL_MAGIC_glob, "glob(*)" },
778 { PERL_MAGIC_pos, "pos(.)" },
779 { PERL_MAGIC_backref, "backref(<)" },
780 { PERL_MAGIC_overload, "overload(A)" },
781 { PERL_MAGIC_bm, "bm(B)" },
782 { PERL_MAGIC_regdata, "regdata(D)" },
783 { PERL_MAGIC_env, "env(E)" },
784 { PERL_MAGIC_isa, "isa(I)" },
785 { PERL_MAGIC_dbfile, "dbfile(L)" },
786 { PERL_MAGIC_shared, "shared(N)" },
787 { PERL_MAGIC_tied, "tied(P)" },
788 { PERL_MAGIC_sig, "sig(S)" },
789 { PERL_MAGIC_uvar, "uvar(U)" },
790 { PERL_MAGIC_overload_elem, "overload_elem(a)" },
791 { PERL_MAGIC_overload_table, "overload_table(c)" },
792 { PERL_MAGIC_regdatum, "regdatum(d)" },
793 { PERL_MAGIC_envelem, "envelem(e)" },
794 { PERL_MAGIC_fm, "fm(f)" },
795 { PERL_MAGIC_regex_global, "regex_global(g)" },
796 { PERL_MAGIC_isaelem, "isaelem(i)" },
797 { PERL_MAGIC_nkeys, "nkeys(k)" },
798 { PERL_MAGIC_dbline, "dbline(l)" },
799 { PERL_MAGIC_mutex, "mutex(m)" },
800 { PERL_MAGIC_shared_scalar, "shared_scalar(n)" },
801 { PERL_MAGIC_collxfrm, "collxfrm(o)" },
802 { PERL_MAGIC_tiedelem, "tiedelem(p)" },
803 { PERL_MAGIC_tiedscalar, "tiedscalar(q)" },
804 { PERL_MAGIC_qr, "qr(r)" },
805 { PERL_MAGIC_sigelem, "sigelem(s)" },
806 { PERL_MAGIC_taint, "taint(t)" },
807 { PERL_MAGIC_uvar_elem, "uvar_elem(v)" },
808 { PERL_MAGIC_vec, "vec(v)" },
809 { PERL_MAGIC_vstring, "v-string(V)" },
810 { PERL_MAGIC_utf8, "utf8(w)" },
811 { PERL_MAGIC_substr, "substr(x)" },
812 { PERL_MAGIC_defelem, "defelem(y)" },
813 { PERL_MAGIC_ext, "ext(~)" },
814 /* this null string terminates the list */
815 { 0, 0 },
816};
817
818void
819Perl_do_magic_dump(pTHX_ I32 level, PerlIO *file, MAGIC *mg, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
820{
821 for (; mg; mg = mg->mg_moremagic) {
822 Perl_dump_indent(aTHX_ level, file,
823 " MAGIC = 0x%"UVxf"\n", PTR2UV(mg));
824 if (mg->mg_virtual) {
825 const MGVTBL * const v = mg->mg_virtual;
826 const char *s = 0;
827 if (v == &PL_vtbl_sv) s = "sv";
828 else if (v == &PL_vtbl_env) s = "env";
829 else if (v == &PL_vtbl_envelem) s = "envelem";
830 else if (v == &PL_vtbl_sig) s = "sig";
831 else if (v == &PL_vtbl_sigelem) s = "sigelem";
832 else if (v == &PL_vtbl_pack) s = "pack";
833 else if (v == &PL_vtbl_packelem) s = "packelem";
834 else if (v == &PL_vtbl_dbline) s = "dbline";
835 else if (v == &PL_vtbl_isa) s = "isa";
836 else if (v == &PL_vtbl_arylen) s = "arylen";
837 else if (v == &PL_vtbl_glob) s = "glob";
838 else if (v == &PL_vtbl_mglob) s = "mglob";
839 else if (v == &PL_vtbl_nkeys) s = "nkeys";
840 else if (v == &PL_vtbl_taint) s = "taint";
841 else if (v == &PL_vtbl_substr) s = "substr";
842 else if (v == &PL_vtbl_vec) s = "vec";
843 else if (v == &PL_vtbl_pos) s = "pos";
844 else if (v == &PL_vtbl_bm) s = "bm";
845 else if (v == &PL_vtbl_fm) s = "fm";
846 else if (v == &PL_vtbl_uvar) s = "uvar";
847 else if (v == &PL_vtbl_defelem) s = "defelem";
848#ifdef USE_LOCALE_COLLATE
849 else if (v == &PL_vtbl_collxfrm) s = "collxfrm";
850#endif
851 else if (v == &PL_vtbl_amagic) s = "amagic";
852 else if (v == &PL_vtbl_amagicelem) s = "amagicelem";
853 else if (v == &PL_vtbl_backref) s = "backref";
854 else if (v == &PL_vtbl_utf8) s = "utf8";
855 if (s)
856 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = &PL_vtbl_%s\n", s);
857 else
858 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0x%"UVxf"\n", PTR2UV(v));
859 }
860 else
861 Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0\n");
862
863 if (mg->mg_private)
864 Perl_dump_indent(aTHX_ level, file, " MG_PRIVATE = %d\n", mg->mg_private);
865
866 {
867 int n;
868 const char *name = 0;
869 for (n = 0; magic_names[n].name; n++) {
870 if (mg->mg_type == magic_names[n].type) {
871 name = magic_names[n].name;
872 break;
873 }
874 }
875 if (name)
876 Perl_dump_indent(aTHX_ level, file,
877 " MG_TYPE = PERL_MAGIC_%s\n", name);
878 else
879 Perl_dump_indent(aTHX_ level, file,
880 " MG_TYPE = UNKNOWN(\\%o)\n", mg->mg_type);
881 }
882
883 if (mg->mg_flags) {
884 Perl_dump_indent(aTHX_ level, file, " MG_FLAGS = 0x%02X\n", mg->mg_flags);
885 if (mg->mg_type == PERL_MAGIC_envelem &&
886 mg->mg_flags & MGf_TAINTEDDIR)
887 Perl_dump_indent(aTHX_ level, file, " TAINTEDDIR\n");
888 if (mg->mg_flags & MGf_REFCOUNTED)
889 Perl_dump_indent(aTHX_ level, file, " REFCOUNTED\n");
890 if (mg->mg_flags & MGf_GSKIP)
891 Perl_dump_indent(aTHX_ level, file, " GSKIP\n");
892 if (mg->mg_type == PERL_MAGIC_regex_global &&
893 mg->mg_flags & MGf_MINMATCH)
894 Perl_dump_indent(aTHX_ level, file, " MINMATCH\n");
895 }
896 if (mg->mg_obj) {
897 Perl_dump_indent(aTHX_ level, file, " MG_OBJ = 0x%"UVxf"\n", PTR2UV(mg->mg_obj));
898 if (mg->mg_flags & MGf_REFCOUNTED)
899 do_sv_dump(level+2, file, mg->mg_obj, nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
900 }
901 if (mg->mg_len)
902 Perl_dump_indent(aTHX_ level, file, " MG_LEN = %ld\n", (long)mg->mg_len);
903 if (mg->mg_ptr) {
904 Perl_dump_indent(aTHX_ level, file, " MG_PTR = 0x%"UVxf, PTR2UV(mg->mg_ptr));
905 if (mg->mg_len >= 0) {
906 if (mg->mg_type != PERL_MAGIC_utf8) {
907 SV *sv = newSVpvn("", 0);
908 PerlIO_printf(file, " %s", pv_display(sv, mg->mg_ptr, mg->mg_len, 0, pvlim));
909 SvREFCNT_dec(sv);
910 }
911 }
912 else if (mg->mg_len == HEf_SVKEY) {
913 PerlIO_puts(file, " => HEf_SVKEY\n");
914 do_sv_dump(level+2, file, (SV*)((mg)->mg_ptr), nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
915 continue;
916 }
917 else
918 PerlIO_puts(file, " ???? - please notify IZ");
919 PerlIO_putc(file, '\n');
920 }
921 if (mg->mg_type == PERL_MAGIC_utf8) {
922 STRLEN *cache = (STRLEN *) mg->mg_ptr;
923 if (cache) {
924 IV i;
925 for (i = 0; i < PERL_MAGIC_UTF8_CACHESIZE; i++)
926 Perl_dump_indent(aTHX_ level, file,
927 " %2"IVdf": %"UVuf" -> %"UVuf"\n",
928 i,
929 (UV)cache[i * 2],
930 (UV)cache[i * 2 + 1]);
931 }
932 }
933 }
934}
935
936void
937Perl_magic_dump(pTHX_ MAGIC *mg)
938{
939 do_magic_dump(0, Perl_debug_log, mg, 0, 0, 0, 0);
940}
941
942void
943Perl_do_hv_dump(pTHX_ I32 level, PerlIO *file, char *name, HV *sv)
944{
945 const char *hvname;
946 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
947 if (sv && (hvname = HvNAME_get(sv)))
948 PerlIO_printf(file, "\t\"%s\"\n", hvname);
949 else
950 PerlIO_putc(file, '\n');
951}
952
953void
954Perl_do_gv_dump(pTHX_ I32 level, PerlIO *file, char *name, GV *sv)
955{
956 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
957 if (sv && GvNAME(sv))
958 PerlIO_printf(file, "\t\"%s\"\n", GvNAME(sv));
959 else
960 PerlIO_putc(file, '\n');
961}
962
963void
964Perl_do_gvgv_dump(pTHX_ I32 level, PerlIO *file, char *name, GV *sv)
965{
966 Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
967 if (sv && GvNAME(sv)) {
968 const char *hvname;
969 PerlIO_printf(file, "\t\"");
970 if (GvSTASH(sv) && (hvname = HvNAME_get(GvSTASH(sv))))
971 PerlIO_printf(file, "%s\" :: \"", hvname);
972 PerlIO_printf(file, "%s\"\n", GvNAME(sv));
973 }
974 else
975 PerlIO_putc(file, '\n');
976}
977
978void
979Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
980{
981 SV *d;
982 const char *s;
983 U32 flags;
984 U32 type;
985
986 if (!sv) {
987 Perl_dump_indent(aTHX_ level, file, "SV = 0\n");
988 return;
989 }
990
991 flags = SvFLAGS(sv);
992 type = SvTYPE(sv);
993
994 d = Perl_newSVpvf(aTHX_
995 "(0x%"UVxf") at 0x%"UVxf"\n%*s REFCNT = %"IVdf"\n%*s FLAGS = (",
996 PTR2UV(SvANY(sv)), PTR2UV(sv),
997 (int)(PL_dumpindent*level), "", (IV)SvREFCNT(sv),
998 (int)(PL_dumpindent*level), "");
999
1000 if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,");
1001 if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,");
1002 if (flags & SVs_PADMY) sv_catpv(d, "PADMY,");
1003 if (flags & SVs_TEMP) sv_catpv(d, "TEMP,");
1004 if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,");
1005 if (flags & SVs_GMG) sv_catpv(d, "GMG,");
1006 if (flags & SVs_SMG) sv_catpv(d, "SMG,");
1007 if (flags & SVs_RMG) sv_catpv(d, "RMG,");
1008
1009 if (flags & SVf_IOK) sv_catpv(d, "IOK,");
1010 if (flags & SVf_NOK) sv_catpv(d, "NOK,");
1011 if (flags & SVf_POK) sv_catpv(d, "POK,");
1012 if (flags & SVf_ROK) {
1013 sv_catpv(d, "ROK,");
1014 if (SvWEAKREF(sv)) sv_catpv(d, "WEAKREF,");
1015 }
1016 if (flags & SVf_OOK) sv_catpv(d, "OOK,");
1017 if (flags & SVf_FAKE) sv_catpv(d, "FAKE,");
1018 if (flags & SVf_READONLY) sv_catpv(d, "READONLY,");
1019
1020 if (flags & SVf_AMAGIC && type != SVt_PVHV)
1021 sv_catpv(d, "OVERLOAD,");
1022 if (flags & SVp_IOK) sv_catpv(d, "pIOK,");
1023 if (flags & SVp_NOK) sv_catpv(d, "pNOK,");
1024 if (flags & SVp_POK) sv_catpv(d, "pPOK,");
1025 if (flags & SVp_SCREAM && type != SVt_PVHV)
1026 sv_catpv(d, "SCREAM,");
1027
1028 switch (type) {
1029 case SVt_PVCV:
1030 case SVt_PVFM:
1031 if (CvANON(sv)) sv_catpv(d, "ANON,");
1032 if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
1033 if (CvCLONE(sv)) sv_catpv(d, "CLONE,");
1034 if (CvCLONED(sv)) sv_catpv(d, "CLONED,");
1035 if (CvCONST(sv)) sv_catpv(d, "CONST,");
1036 if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
1037 if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,");
1038 if (CvLVALUE(sv)) sv_catpv(d, "LVALUE,");
1039 if (CvMETHOD(sv)) sv_catpv(d, "METHOD,");
1040 if (CvLOCKED(sv)) sv_catpv(d, "LOCKED,");
1041 if (CvWEAKOUTSIDE(sv)) sv_catpv(d, "WEAKOUTSIDE,");
1042 break;
1043 case SVt_PVHV:
1044 if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,");
1045 if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,");
1046 if (HvHASKFLAGS(sv)) sv_catpv(d, "HASKFLAGS,");
1047 if (HvREHASH(sv)) sv_catpv(d, "REHASH,");
1048 if (flags & SVphv_CLONEABLE) sv_catpv(d, "CLONEABLE,");
1049 break;
1050 case SVt_PVGV:
1051 if (GvINTRO(sv)) sv_catpv(d, "INTRO,");
1052 if (GvMULTI(sv)) sv_catpv(d, "MULTI,");
1053 if (GvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
1054 if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,");
1055 if (GvIN_PAD(sv)) sv_catpv(d, "IN_PAD,");
1056 if (flags & SVpad_OUR) sv_catpv(d, "OUR,");
1057 if (GvIMPORTED(sv)) {
1058 sv_catpv(d, "IMPORT");
1059 if (GvIMPORTED(sv) == GVf_IMPORTED)
1060 sv_catpv(d, "ALL,");
1061 else {
1062 sv_catpv(d, "(");
1063 if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV");
1064 if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV");
1065 if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV");
1066 if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV");
1067 sv_catpv(d, " ),");
1068 }
1069 }
1070 /* FALL THROUGH */
1071 default:
1072 if (SvEVALED(sv)) sv_catpv(d, "EVALED,");
1073 if (SvIsUV(sv) && !(flags & SVf_ROK)) sv_catpv(d, "IsUV,");
1074 break;
1075 case SVt_PVBM:
1076 if (SvTAIL(sv)) sv_catpv(d, "TAIL,");
1077 if (SvVALID(sv)) sv_catpv(d, "VALID,");
1078 break;
1079 case SVt_PVMG:
1080 if (flags & SVpad_TYPED)
1081 sv_catpv(d, "TYPED,");
1082 break;
1083 }
1084 /* SVphv_SHAREKEYS is also 0x20000000 */
1085 if ((type != SVt_PVHV) && SvUTF8(sv))
1086 sv_catpv(d, "UTF8");
1087
1088 if (*(SvEND(d) - 1) == ',') {
1089 SvCUR_set(d, SvCUR(d) - 1);
1090 SvPVX(d)[SvCUR(d)] = '\0';
1091 }
1092 sv_catpv(d, ")");
1093 s = SvPVX_const(d);
1094
1095 Perl_dump_indent(aTHX_ level, file, "SV = ");
1096 switch (type) {
1097 case SVt_NULL:
1098 PerlIO_printf(file, "NULL%s\n", s);
1099 SvREFCNT_dec(d);
1100 return;
1101 case SVt_IV:
1102 PerlIO_printf(file, "IV%s\n", s);
1103 break;
1104 case SVt_NV:
1105 PerlIO_printf(file, "NV%s\n", s);
1106 break;
1107 case SVt_RV:
1108 PerlIO_printf(file, "RV%s\n", s);
1109 break;
1110 case SVt_PV:
1111 PerlIO_printf(file, "PV%s\n", s);
1112 break;
1113 case SVt_PVIV:
1114 PerlIO_printf(file, "PVIV%s\n", s);
1115 break;
1116 case SVt_PVNV:
1117 PerlIO_printf(file, "PVNV%s\n", s);
1118 break;
1119 case SVt_PVBM:
1120 PerlIO_printf(file, "PVBM%s\n", s);
1121 break;
1122 case SVt_PVMG:
1123 PerlIO_printf(file, "PVMG%s\n", s);
1124 break;
1125 case SVt_PVLV:
1126 PerlIO_printf(file, "PVLV%s\n", s);
1127 break;
1128 case SVt_PVAV:
1129 PerlIO_printf(file, "PVAV%s\n", s);
1130 break;
1131 case SVt_PVHV:
1132 PerlIO_printf(file, "PVHV%s\n", s);
1133 break;
1134 case SVt_PVCV:
1135 PerlIO_printf(file, "PVCV%s\n", s);
1136 break;
1137 case SVt_PVGV:
1138 PerlIO_printf(file, "PVGV%s\n", s);
1139 break;
1140 case SVt_PVFM:
1141 PerlIO_printf(file, "PVFM%s\n", s);
1142 break;
1143 case SVt_PVIO:
1144 PerlIO_printf(file, "PVIO%s\n", s);
1145 break;
1146 default:
1147 PerlIO_printf(file, "UNKNOWN(0x%"UVxf") %s\n", (UV)type, s);
1148 SvREFCNT_dec(d);
1149 return;
1150 }
1151 if (type >= SVt_PVIV || type == SVt_IV) {
1152 if (SvIsUV(sv))
1153 Perl_dump_indent(aTHX_ level, file, " UV = %"UVuf, (UV)SvUVX(sv));
1154 else
1155 Perl_dump_indent(aTHX_ level, file, " IV = %"IVdf, (IV)SvIVX(sv));
1156 if (SvOOK(sv))
1157 PerlIO_printf(file, " (OFFSET)");
1158 PerlIO_putc(file, '\n');
1159 }
1160 if (type >= SVt_PVNV || type == SVt_NV) {
1161 STORE_NUMERIC_LOCAL_SET_STANDARD();
1162 /* %Vg doesn't work? --jhi */
1163#ifdef USE_LONG_DOUBLE
1164 Perl_dump_indent(aTHX_ level, file, " NV = %.*" PERL_PRIgldbl "\n", LDBL_DIG, SvNVX(sv));
1165#else
1166 Perl_dump_indent(aTHX_ level, file, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
1167#endif
1168 RESTORE_NUMERIC_LOCAL();
1169 }
1170 if (SvROK(sv)) {
1171 Perl_dump_indent(aTHX_ level, file, " RV = 0x%"UVxf"\n", PTR2UV(SvRV(sv)));
1172 if (nest < maxnest)
1173 do_sv_dump(level+1, file, SvRV(sv), nest+1, maxnest, dumpops, pvlim);
1174 }
1175 if (type < SVt_PV) {
1176 SvREFCNT_dec(d);
1177 return;
1178 }
1179 if (type <= SVt_PVLV) {
1180 if (SvPVX_const(sv)) {
1181 Perl_dump_indent(aTHX_ level, file," PV = 0x%"UVxf" ", PTR2UV(SvPVX_const(sv)));
1182 if (SvOOK(sv))
1183 PerlIO_printf(file, "( %s . ) ", pv_display(d, (char *)SvPVX_const(sv)-SvIVX(sv), SvIVX(sv), 0, pvlim));
1184 PerlIO_printf(file, "%s", pv_display(d, (char *)SvPVX_const(sv), SvCUR(sv), SvLEN(sv), pvlim));
1185 if (SvUTF8(sv)) /* the 8? \x{....} */
1186 PerlIO_printf(file, " [UTF8 \"%s\"]", sv_uni_display(d, sv, 8 * sv_len_utf8(sv), UNI_DISPLAY_QQ));
1187 PerlIO_printf(file, "\n");
1188 Perl_dump_indent(aTHX_ level, file, " CUR = %"IVdf"\n", (IV)SvCUR(sv));
1189 Perl_dump_indent(aTHX_ level, file, " LEN = %"IVdf"\n", (IV)SvLEN(sv));
1190 }
1191 else
1192 Perl_dump_indent(aTHX_ level, file, " PV = 0\n");
1193 }
1194 if (type >= SVt_PVMG) {
1195 if (SvMAGIC(sv))
1196 do_magic_dump(level, file, SvMAGIC(sv), nest, maxnest, dumpops, pvlim);
1197 if (SvSTASH(sv))
1198 do_hv_dump(level, file, " STASH", SvSTASH(sv));
1199 }
1200 switch (type) {
1201 case SVt_PVLV:
1202 Perl_dump_indent(aTHX_ level, file, " TYPE = %c\n", LvTYPE(sv));
1203 Perl_dump_indent(aTHX_ level, file, " TARGOFF = %"IVdf"\n", (IV)LvTARGOFF(sv));
1204 Perl_dump_indent(aTHX_ level, file, " TARGLEN = %"IVdf"\n", (IV)LvTARGLEN(sv));
1205 Perl_dump_indent(aTHX_ level, file, " TARG = 0x%"UVxf"\n", PTR2UV(LvTARG(sv)));
1206 if (LvTYPE(sv) != 't' && LvTYPE(sv) != 'T')
1207 do_sv_dump(level+1, file, LvTARG(sv), nest+1, maxnest,
1208 dumpops, pvlim);
1209 break;
1210 case SVt_PVAV:
1211 Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(AvARRAY(sv)));
1212 if (AvARRAY(sv) != AvALLOC(sv)) {
1213 PerlIO_printf(file, " (offset=%"IVdf")\n", (IV)(AvARRAY(sv) - AvALLOC(sv)));
1214 Perl_dump_indent(aTHX_ level, file, " ALLOC = 0x%"UVxf"\n", PTR2UV(AvALLOC(sv)));
1215 }
1216 else
1217 PerlIO_putc(file, '\n');
1218 Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)AvFILLp(sv));
1219 Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)AvMAX(sv));
1220 Perl_dump_indent(aTHX_ level, file, " ARYLEN = 0x%"UVxf"\n", PTR2UV(AvARYLEN(sv)));
1221 flags = AvFLAGS(sv);
1222 sv_setpvn(d, "", 0);
1223 if (flags & AVf_REAL) sv_catpv(d, ",REAL");
1224 if (flags & AVf_REIFY) sv_catpv(d, ",REIFY");
1225 if (flags & AVf_REUSED) sv_catpv(d, ",REUSED");
1226 Perl_dump_indent(aTHX_ level, file, " FLAGS = (%s)\n",
1227 SvCUR(d) ? SvPVX_const(d) + 1 : "");
1228 if (nest < maxnest && av_len((AV*)sv) >= 0) {
1229 int count;
1230 for (count = 0; count <= av_len((AV*)sv) && count < maxnest; count++) {
1231 SV** elt = av_fetch((AV*)sv,count,0);
1232
1233 Perl_dump_indent(aTHX_ level + 1, file, "Elt No. %"IVdf"\n", (IV)count);
1234 if (elt)
1235 do_sv_dump(level+1, file, *elt, nest+1, maxnest, dumpops, pvlim);
1236 }
1237 }
1238 break;
1239 case SVt_PVHV:
1240 Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(HvARRAY(sv)));
1241 if (HvARRAY(sv) && HvKEYS(sv)) {
1242 /* Show distribution of HEs in the ARRAY */
1243 int freq[200];
1244#define FREQ_MAX (sizeof freq / sizeof freq[0] - 1)
1245 int i;
1246 int max = 0;
1247 U32 pow2 = 2, keys = HvKEYS(sv);
1248 NV theoret, sum = 0;
1249
1250 PerlIO_printf(file, " (");
1251 Zero(freq, FREQ_MAX + 1, int);
1252 for (i = 0; (STRLEN)i <= HvMAX(sv); i++) {
1253 HE* h; int count = 0;
1254 for (h = HvARRAY(sv)[i]; h; h = HeNEXT(h))
1255 count++;
1256 if (count > FREQ_MAX)
1257 count = FREQ_MAX;
1258 freq[count]++;
1259 if (max < count)
1260 max = count;
1261 }
1262 for (i = 0; i <= max; i++) {
1263 if (freq[i]) {
1264 PerlIO_printf(file, "%d%s:%d", i,
1265 (i == FREQ_MAX) ? "+" : "",
1266 freq[i]);
1267 if (i != max)
1268 PerlIO_printf(file, ", ");
1269 }
1270 }
1271 PerlIO_putc(file, ')');
1272 /* The "quality" of a hash is defined as the total number of
1273 comparisons needed to access every element once, relative
1274 to the expected number needed for a random hash.
1275
1276 The total number of comparisons is equal to the sum of
1277 the squares of the number of entries in each bucket.
1278 For a random hash of n keys into k buckets, the expected
1279 value is
1280 n + n(n-1)/2k
1281 */
1282
1283 for (i = max; i > 0; i--) { /* Precision: count down. */
1284 sum += freq[i] * i * i;
1285 }
1286 while ((keys = keys >> 1))
1287 pow2 = pow2 << 1;
1288 theoret = HvKEYS(sv);
1289 theoret += theoret * (theoret-1)/pow2;
1290 PerlIO_putc(file, '\n');
1291 Perl_dump_indent(aTHX_ level, file, " hash quality = %.1"NVff"%%", theoret/sum*100);
1292 }
1293 PerlIO_putc(file, '\n');
1294 Perl_dump_indent(aTHX_ level, file, " KEYS = %"IVdf"\n", (IV)HvKEYS(sv));
1295 Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)HvFILL(sv));
1296 Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)HvMAX(sv));
1297 Perl_dump_indent(aTHX_ level, file, " RITER = %"IVdf"\n", (IV)HvRITER_get(sv));
1298 Perl_dump_indent(aTHX_ level, file, " EITER = 0x%"UVxf"\n", PTR2UV(HvEITER_get(sv)));
1299 if (HvPMROOT(sv))
1300 Perl_dump_indent(aTHX_ level, file, " PMROOT = 0x%"UVxf"\n", PTR2UV(HvPMROOT(sv)));
1301 {
1302 const char *hvname = HvNAME_get(sv);
1303 if (hvname)
1304 Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", hvname);
1305 }
1306 if (nest < maxnest && !HvEITER_get(sv)) { /* Try to preserve iterator */
1307 HE *he;
1308 HV *hv = (HV*)sv;
1309 int count = maxnest - nest;
1310
1311 hv_iterinit(hv);
1312 while ((he = hv_iternext_flags(hv, HV_ITERNEXT_WANTPLACEHOLDERS))
1313 && count--) {
1314 SV *elt, *keysv;
1315 const char *keypv;
1316 STRLEN len;
1317 U32 hash = HeHASH(he);
1318
1319 keysv = hv_iterkeysv(he);
1320 keypv = SvPV_const(keysv, len);
1321 elt = hv_iterval(hv, he);
1322 Perl_dump_indent(aTHX_ level+1, file, "Elt %s ", pv_display(d, (char *)keypv, len, 0, pvlim));
1323 if (SvUTF8(keysv))
1324 PerlIO_printf(file, "[UTF8 \"%s\"] ", sv_uni_display(d, keysv, 8 * sv_len_utf8(keysv), UNI_DISPLAY_QQ));
1325 if (HeKREHASH(he))
1326 PerlIO_printf(file, "[REHASH] ");
1327 PerlIO_printf(file, "HASH = 0x%"UVxf"\n", (UV)hash);
1328 do_sv_dump(level+1, file, elt, nest+1, maxnest, dumpops, pvlim);
1329 }
1330 hv_iterinit(hv); /* Return to status quo */
1331 }
1332 break;
1333 case SVt_PVCV:
1334 if (SvPOK(sv))
1335 Perl_dump_indent(aTHX_ level, file, " PROTOTYPE = \"%s\"\n", SvPV_nolen_const(sv));
1336 /* FALL THROUGH */
1337 case SVt_PVFM:
1338 do_hv_dump(level, file, " COMP_STASH", CvSTASH(sv));
1339 if (CvSTART(sv))
1340 Perl_dump_indent(aTHX_ level, file, " START = 0x%"UVxf" ===> %"IVdf"\n", PTR2UV(CvSTART(sv)), (IV)CvSTART(sv)->op_seq);
1341 Perl_dump_indent(aTHX_ level, file, " ROOT = 0x%"UVxf"\n", PTR2UV(CvROOT(sv)));
1342 if (CvROOT(sv) && dumpops)
1343 do_op_dump(level+1, file, CvROOT(sv));
1344 Perl_dump_indent(aTHX_ level, file, " XSUB = 0x%"UVxf"\n", PTR2UV(CvXSUB(sv)));
1345 Perl_dump_indent(aTHX_ level, file, " XSUBANY = %"IVdf"\n", (IV)CvXSUBANY(sv).any_i32);
1346 do_gvgv_dump(level, file, " GVGV::GV", CvGV(sv));
1347 Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", CvFILE(sv));
1348 Perl_dump_indent(aTHX_ level, file, " DEPTH = %"IVdf"\n", (IV)CvDEPTH(sv));
1349#ifdef USE_5005THREADS
1350 Perl_dump_indent(aTHX_ level, file, " MUTEXP = 0x%"UVxf"\n", PTR2UV(CvMUTEXP(sv)));
1351 Perl_dump_indent(aTHX_ level, file, " OWNER = 0x%"UVxf"\n", PTR2UV(CvOWNER(sv)));
1352#endif /* USE_5005THREADS */
1353 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)CvFLAGS(sv));
1354 Perl_dump_indent(aTHX_ level, file, " OUTSIDE_SEQ = %"UVuf"\n", (UV)CvOUTSIDE_SEQ(sv));
1355 if (type == SVt_PVFM)
1356 Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)FmLINES(sv));
1357 Perl_dump_indent(aTHX_ level, file, " PADLIST = 0x%"UVxf"\n", PTR2UV(CvPADLIST(sv)));
1358 if (nest < maxnest) {
1359 do_dump_pad(level+1, file, CvPADLIST(sv), 0);
1360 }
1361 {
1362 const CV *outside = CvOUTSIDE(sv);
1363 Perl_dump_indent(aTHX_ level, file, " OUTSIDE = 0x%"UVxf" (%s)\n",
1364 PTR2UV(outside),
1365 (!outside ? "null"
1366 : CvANON(outside) ? "ANON"
1367 : (outside == PL_main_cv) ? "MAIN"
1368 : CvUNIQUE(outside) ? "UNIQUE"
1369 : CvGV(outside) ? GvNAME(CvGV(outside)) : "UNDEFINED"));
1370 }
1371 if (nest < maxnest && (CvCLONE(sv) || CvCLONED(sv)))
1372 do_sv_dump(level+1, file, (SV*)CvOUTSIDE(sv), nest+1, maxnest, dumpops, pvlim);
1373 break;
1374 case SVt_PVGV:
1375 Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", GvNAME(sv));
1376 Perl_dump_indent(aTHX_ level, file, " NAMELEN = %"IVdf"\n", (IV)GvNAMELEN(sv));
1377 do_hv_dump (level, file, " GvSTASH", GvSTASH(sv));
1378 Perl_dump_indent(aTHX_ level, file, " GP = 0x%"UVxf"\n", PTR2UV(GvGP(sv)));
1379 if (!GvGP(sv))
1380 break;
1381 Perl_dump_indent(aTHX_ level, file, " SV = 0x%"UVxf"\n", PTR2UV(GvSV(sv)));
1382 Perl_dump_indent(aTHX_ level, file, " REFCNT = %"IVdf"\n", (IV)GvREFCNT(sv));
1383 Perl_dump_indent(aTHX_ level, file, " IO = 0x%"UVxf"\n", PTR2UV(GvIOp(sv)));
1384 Perl_dump_indent(aTHX_ level, file, " FORM = 0x%"UVxf" \n", PTR2UV(GvFORM(sv)));
1385 Perl_dump_indent(aTHX_ level, file, " AV = 0x%"UVxf"\n", PTR2UV(GvAV(sv)));
1386 Perl_dump_indent(aTHX_ level, file, " HV = 0x%"UVxf"\n", PTR2UV(GvHV(sv)));
1387 Perl_dump_indent(aTHX_ level, file, " CV = 0x%"UVxf"\n", PTR2UV(GvCV(sv)));
1388 Perl_dump_indent(aTHX_ level, file, " CVGEN = 0x%"UVxf"\n", (UV)GvCVGEN(sv));
1389 Perl_dump_indent(aTHX_ level, file, " GPFLAGS = 0x%"UVxf"\n", (UV)GvGPFLAGS(sv));
1390 Perl_dump_indent(aTHX_ level, file, " LINE = %"IVdf"\n", (IV)GvLINE(sv));
1391 Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", GvFILE(sv));
1392 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)GvFLAGS(sv));
1393 do_gv_dump (level, file, " EGV", GvEGV(sv));
1394 break;
1395 case SVt_PVIO:
1396 Perl_dump_indent(aTHX_ level, file, " IFP = 0x%"UVxf"\n", PTR2UV(IoIFP(sv)));
1397 Perl_dump_indent(aTHX_ level, file, " OFP = 0x%"UVxf"\n", PTR2UV(IoOFP(sv)));
1398 Perl_dump_indent(aTHX_ level, file, " DIRP = 0x%"UVxf"\n", PTR2UV(IoDIRP(sv)));
1399 Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)IoLINES(sv));
1400 Perl_dump_indent(aTHX_ level, file, " PAGE = %"IVdf"\n", (IV)IoPAGE(sv));
1401 Perl_dump_indent(aTHX_ level, file, " PAGE_LEN = %"IVdf"\n", (IV)IoPAGE_LEN(sv));
1402 Perl_dump_indent(aTHX_ level, file, " LINES_LEFT = %"IVdf"\n", (IV)IoLINES_LEFT(sv));
1403 if (IoTOP_NAME(sv))
1404 Perl_dump_indent(aTHX_ level, file, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
1405 do_gv_dump (level, file, " TOP_GV", IoTOP_GV(sv));
1406 if (IoFMT_NAME(sv))
1407 Perl_dump_indent(aTHX_ level, file, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
1408 do_gv_dump (level, file, " FMT_GV", IoFMT_GV(sv));
1409 if (IoBOTTOM_NAME(sv))
1410 Perl_dump_indent(aTHX_ level, file, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
1411 do_gv_dump (level, file, " BOTTOM_GV", IoBOTTOM_GV(sv));
1412 Perl_dump_indent(aTHX_ level, file, " SUBPROCESS = %"IVdf"\n", (IV)IoSUBPROCESS(sv));
1413 if (isPRINT(IoTYPE(sv)))
1414 Perl_dump_indent(aTHX_ level, file, " TYPE = '%c'\n", IoTYPE(sv));
1415 else
1416 Perl_dump_indent(aTHX_ level, file, " TYPE = '\\%o'\n", IoTYPE(sv));
1417 Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)IoFLAGS(sv));
1418 break;
1419 }
1420 SvREFCNT_dec(d);
1421}
1422
1423void
1424Perl_sv_dump(pTHX_ SV *sv)
1425{
1426 do_sv_dump(0, Perl_debug_log, sv, 0, 0, 0, 0);
1427}
1428
1429int
1430Perl_runops_debug(pTHX)
1431{
1432 if (!PL_op) {
1433 if (ckWARN_d(WARN_DEBUGGING))
1434 Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), "NULL OP IN RUN");
1435 return 0;
1436 }
1437
1438 do {
1439 PERL_ASYNC_CHECK();
1440 if (PL_debug) {
1441 if (PL_watchaddr != 0 && *PL_watchaddr != PL_watchok)
1442 PerlIO_printf(Perl_debug_log,
1443 "WARNING: %"UVxf" changed from %"UVxf" to %"UVxf"\n",
1444 PTR2UV(PL_watchaddr), PTR2UV(PL_watchok),
1445 PTR2UV(*PL_watchaddr));
1446 if (DEBUG_s_TEST_) {
1447 if (DEBUG_v_TEST_) {
1448 PerlIO_printf(Perl_debug_log, "\n");
1449 deb_stack_all();
1450 }
1451 else
1452 debstack();
1453 }
1454
1455
1456 if (DEBUG_t_TEST_) debop(PL_op);
1457 if (DEBUG_P_TEST_) debprof(PL_op);
1458 }
1459 } while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX)));
1460
1461 TAINT_NOT;
1462 return 0;
1463}
1464
1465I32
1466Perl_debop(pTHX_ OP *o)
1467{
1468 if (CopSTASH_eq(PL_curcop, PL_debstash) && !DEBUG_J_TEST_)
1469 return 0;
1470
1471 Perl_deb(aTHX_ "%s", OP_NAME(o));
1472 switch (o->op_type) {
1473 case OP_CONST:
1474 PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOPo_sv));
1475 break;
1476 case OP_GVSV:
1477 case OP_GV:
1478 if (cGVOPo_gv) {
1479 SV *sv = NEWSV(0,0);
1480 gv_fullname3(sv, cGVOPo_gv, Nullch);
1481 PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen_const(sv));
1482 SvREFCNT_dec(sv);
1483 }
1484 else
1485 PerlIO_printf(Perl_debug_log, "(NULL)");
1486 break;
1487 case OP_PADSV:
1488 case OP_PADAV:
1489 case OP_PADHV:
1490 {
1491 /* print the lexical's name */
1492 CV *cv = deb_curcv(cxstack_ix);
1493 SV *sv;
1494 if (cv) {
1495 AV * const padlist = CvPADLIST(cv);
1496 AV * const comppad = (AV*)(*av_fetch(padlist, 0, FALSE));
1497 sv = *av_fetch(comppad, o->op_targ, FALSE);
1498 } else
1499 sv = Nullsv;
1500 if (sv)
1501 PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen_const(sv));
1502 else
1503 PerlIO_printf(Perl_debug_log, "[%"UVuf"]", (UV)o->op_targ);
1504 }
1505 break;
1506 default:
1507 break;
1508 }
1509 PerlIO_printf(Perl_debug_log, "\n");
1510 return 0;
1511}
1512
1513STATIC CV*
1514S_deb_curcv(pTHX_ I32 ix)
1515{
1516 const PERL_CONTEXT *cx = &cxstack[ix];
1517 if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT)
1518 return cx->blk_sub.cv;
1519 else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx))
1520 return PL_compcv;
1521 else if (ix == 0 && PL_curstackinfo->si_type == PERLSI_MAIN)
1522 return PL_main_cv;
1523 else if (ix <= 0)
1524 return Nullcv;
1525 else
1526 return deb_curcv(ix - 1);
1527}
1528
1529void
1530Perl_watch(pTHX_ char **addr)
1531{
1532 PL_watchaddr = addr;
1533 PL_watchok = *addr;
1534 PerlIO_printf(Perl_debug_log, "WATCHING, %"UVxf" is currently %"UVxf"\n",
1535 PTR2UV(PL_watchaddr), PTR2UV(PL_watchok));
1536}
1537
1538STATIC void
1539S_debprof(pTHX_ const OP *o)
1540{
1541 if (CopSTASH_eq(PL_curcop, PL_debstash) && !DEBUG_J_TEST_)
1542 return;
1543 if (!PL_profiledata)
1544 Newxz(PL_profiledata, MAXO, U32);
1545 ++PL_profiledata[o->op_type];
1546}
1547
1548void
1549Perl_debprofdump(pTHX)
1550{
1551 unsigned i;
1552 if (!PL_profiledata)
1553 return;
1554 for (i = 0; i < MAXO; i++) {
1555 if (PL_profiledata[i])
1556 PerlIO_printf(Perl_debug_log,
1557 "%5lu %s\n", (unsigned long)PL_profiledata[i],
1558 PL_op_name[i]);
1559 }
1560}
1561
1562/*
1563 * Local variables:
1564 * c-indentation-style: bsd
1565 * c-basic-offset: 4
1566 * indent-tabs-mode: t
1567 * End:
1568 *
1569 * ex: set ts=8 sts=4 sw=4 noet:
1570 */
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