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/cvs/cvsroot/staticperl/perl/dump.c
Revision: 1.1
Committed: Thu Jun 30 14:26:41 2005 UTC (21 years, 3 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: PERL-5-8-7, HEAD
Branch point for: PERL
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.1 /* 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    
28     void
29     Perl_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    
37     void
38     Perl_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    
44     void
45     Perl_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    
53     void
54     Perl_dump_packsubs(pTHX_ HV *stash)
55     {
56     I32 i;
57     HE *entry;
58    
59     if (!HvARRAY(stash))
60     return;
61     for (i = 0; i <= (I32) HvMAX(stash); i++) {
62     for (entry = HvARRAY(stash)[i]; entry; entry = HeNEXT(entry)) {
63     GV *gv = (GV*)HeVAL(entry);
64     HV *hv;
65     if (SvTYPE(gv) != SVt_PVGV || !GvGP(gv))
66     continue;
67     if (GvCVu(gv))
68     dump_sub(gv);
69     if (GvFORM(gv))
70     dump_form(gv);
71     if (HeKEY(entry)[HeKLEN(entry)-1] == ':'
72     && (hv = GvHV(gv)) && hv != PL_defstash)
73     dump_packsubs(hv); /* nested package */
74     }
75     }
76     }
77    
78     void
79     Perl_dump_sub(pTHX_ GV *gv)
80     {
81     SV *sv = sv_newmortal();
82    
83     gv_fullname3(sv, gv, Nullch);
84     Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nSUB %s = ", SvPVX(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    
95     void
96     Perl_dump_form(pTHX_ GV *gv)
97     {
98     SV *sv = sv_newmortal();
99    
100     gv_fullname3(sv, gv, Nullch);
101     Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nFORMAT %s = ", SvPVX(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    
108     void
109     Perl_dump_eval(pTHX)
110     {
111     op_dump(PL_eval_root);
112     }
113    
114     char *
115     Perl_pv_display(pTHX_ SV *dsv, char *pv, STRLEN cur, STRLEN len, STRLEN pvlim)
116     {
117     int truncated = 0;
118     int nul_terminated = len > cur && pv[cur] == '\0';
119    
120     sv_setpvn(dsv, "\"", 1);
121     for (; cur--; pv++) {
122     if (pvlim && SvCUR(dsv) >= pvlim) {
123     truncated++;
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    
151     char *
152     Perl_sv_peek(pTHX_ SV *sv)
153     {
154     SV *t = sv_newmortal();
155     STRLEN n_a;
156     int unref = 0;
157    
158     sv_setpvn(t, "", 0);
159     retry:
160     if (!sv) {
161     sv_catpv(t, "VOID");
162     goto finish;
163     }
164     else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
165     sv_catpv(t, "WILD");
166     goto finish;
167     }
168     else if (sv == &PL_sv_undef || sv == &PL_sv_no || sv == &PL_sv_yes || sv == &PL_sv_placeholder) {
169     if (sv == &PL_sv_undef) {
170     sv_catpv(t, "SV_UNDEF");
171     if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
172     SVs_GMG|SVs_SMG|SVs_RMG)) &&
173     SvREADONLY(sv))
174     goto finish;
175     }
176     else if (sv == &PL_sv_no) {
177     sv_catpv(t, "SV_NO");
178     if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
179     SVs_GMG|SVs_SMG|SVs_RMG)) &&
180     !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
181     SVp_POK|SVp_NOK)) &&
182     SvCUR(sv) == 0 &&
183     SvNVX(sv) == 0.0)
184     goto finish;
185     }
186     else if (sv == &PL_sv_yes) {
187     sv_catpv(t, "SV_YES");
188     if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
189     SVs_GMG|SVs_SMG|SVs_RMG)) &&
190     !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
191     SVp_POK|SVp_NOK)) &&
192     SvCUR(sv) == 1 &&
193     SvPVX(sv) && *SvPVX(sv) == '1' &&
194     SvNVX(sv) == 1.0)
195     goto finish;
196     }
197     else {
198     sv_catpv(t, "SV_PLACEHOLDER");
199     if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
200     SVs_GMG|SVs_SMG|SVs_RMG)) &&
201     SvREADONLY(sv))
202     goto finish;
203     }
204     sv_catpv(t, ":");
205     }
206     else if (SvREFCNT(sv) == 0) {
207     sv_catpv(t, "(");
208     unref++;
209     }
210     else if (DEBUG_R_TEST_) {
211     int is_tmp = 0;
212     I32 ix;
213     /* is this SV on the tmps stack? */
214     for (ix=PL_tmps_ix; ix>=0; ix--) {
215     if (PL_tmps_stack[ix] == sv) {
216     is_tmp = 1;
217     break;
218     }
219     }
220     if (SvREFCNT(sv) > 1)
221     Perl_sv_catpvf(aTHX_ t, "<%"UVuf"%s>", (UV)SvREFCNT(sv),
222     is_tmp ? "T" : "");
223     else if (is_tmp)
224     sv_catpv(t, "<T>");
225     }
226    
227     if (SvROK(sv)) {
228     sv_catpv(t, "\\");
229     if (SvCUR(t) + unref > 10) {
230     SvCUR(t) = unref + 3;
231     *SvEND(t) = '\0';
232     sv_catpv(t, "...");
233     goto finish;
234     }
235     sv = (SV*)SvRV(sv);
236     goto retry;
237     }
238     switch (SvTYPE(sv)) {
239     default:
240     sv_catpv(t, "FREED");
241     goto finish;
242    
243     case SVt_NULL:
244     sv_catpv(t, "UNDEF");
245     goto finish;
246     case SVt_IV:
247     sv_catpv(t, "IV");
248     break;
249     case SVt_NV:
250     sv_catpv(t, "NV");
251     break;
252     case SVt_RV:
253     sv_catpv(t, "RV");
254     break;
255     case SVt_PV:
256     sv_catpv(t, "PV");
257     break;
258     case SVt_PVIV:
259     sv_catpv(t, "PVIV");
260     break;
261     case SVt_PVNV:
262     sv_catpv(t, "PVNV");
263     break;
264     case SVt_PVMG:
265     sv_catpv(t, "PVMG");
266     break;
267     case SVt_PVLV:
268     sv_catpv(t, "PVLV");
269     break;
270     case SVt_PVAV:
271     sv_catpv(t, "AV");
272     break;
273     case SVt_PVHV:
274     sv_catpv(t, "HV");
275     break;
276     case SVt_PVCV:
277     if (CvGV(sv))
278     Perl_sv_catpvf(aTHX_ t, "CV(%s)", GvNAME(CvGV(sv)));
279     else
280     sv_catpv(t, "CV()");
281     goto finish;
282     case SVt_PVGV:
283     sv_catpv(t, "GV");
284     break;
285     case SVt_PVBM:
286     sv_catpv(t, "BM");
287     break;
288     case SVt_PVFM:
289     sv_catpv(t, "FM");
290     break;
291     case SVt_PVIO:
292     sv_catpv(t, "IO");
293     break;
294     }
295    
296     if (SvPOKp(sv)) {
297     if (!SvPVX(sv))
298     sv_catpv(t, "(null)");
299     else {
300     SV *tmp = newSVpvn("", 0);
301     sv_catpv(t, "(");
302     if (SvOOK(sv))
303     Perl_sv_catpvf(aTHX_ t, "[%s]", pv_display(tmp, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, 127));
304     Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, SvPVX(sv), SvCUR(sv), SvLEN(sv), 127));
305     if (SvUTF8(sv))
306     Perl_sv_catpvf(aTHX_ t, " [UTF8 \"%s\"]",
307     sv_uni_display(tmp, sv, 8 * sv_len_utf8(sv),
308     UNI_DISPLAY_QQ));
309     SvREFCNT_dec(tmp);
310     }
311     }
312     else if (SvNOKp(sv)) {
313     STORE_NUMERIC_LOCAL_SET_STANDARD();
314     Perl_sv_catpvf(aTHX_ t, "(%"NVgf")",SvNVX(sv));
315     RESTORE_NUMERIC_LOCAL();
316     }
317     else if (SvIOKp(sv)) {
318     if (SvIsUV(sv))
319     Perl_sv_catpvf(aTHX_ t, "(%"UVuf")", (UV)SvUVX(sv));
320     else
321     Perl_sv_catpvf(aTHX_ t, "(%"IVdf")", (IV)SvIVX(sv));
322     }
323     else
324     sv_catpv(t, "()");
325    
326     finish:
327     if (unref) {
328     while (unref--)
329     sv_catpv(t, ")");
330     }
331     return SvPV(t, n_a);
332     }
333    
334     void
335     Perl_do_pmop_dump(pTHX_ I32 level, PerlIO *file, PMOP *pm)
336     {
337     char ch;
338    
339     if (!pm) {
340     Perl_dump_indent(aTHX_ level, file, "{}\n");
341     return;
342     }
343     Perl_dump_indent(aTHX_ level, file, "{\n");
344     level++;
345     if (pm->op_pmflags & PMf_ONCE)
346     ch = '?';
347     else
348     ch = '/';
349     if (PM_GETRE(pm))
350     Perl_dump_indent(aTHX_ level, file, "PMf_PRE %c%s%c%s\n",
351     ch, PM_GETRE(pm)->precomp, ch,
352     (pm->op_private & OPpRUNTIME) ? " (RUNTIME)" : "");
353     else
354     Perl_dump_indent(aTHX_ level, file, "PMf_PRE (RUNTIME)\n");
355     if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) {
356     Perl_dump_indent(aTHX_ level, file, "PMf_REPL = ");
357     op_dump(pm->op_pmreplroot);
358     }
359     if (pm->op_pmflags || (PM_GETRE(pm) && PM_GETRE(pm)->check_substr)) {
360     SV *tmpsv = newSVpvn("", 0);
361     if (pm->op_pmdynflags & PMdf_USED)
362     sv_catpv(tmpsv, ",USED");
363     if (pm->op_pmdynflags & PMdf_TAINTED)
364     sv_catpv(tmpsv, ",TAINTED");
365     if (pm->op_pmflags & PMf_ONCE)
366     sv_catpv(tmpsv, ",ONCE");
367     if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
368     && !(PM_GETRE(pm)->reganch & ROPT_NOSCAN))
369     sv_catpv(tmpsv, ",SCANFIRST");
370     if (PM_GETRE(pm) && PM_GETRE(pm)->check_substr
371     && PM_GETRE(pm)->reganch & ROPT_CHECK_ALL)
372     sv_catpv(tmpsv, ",ALL");
373     if (pm->op_pmflags & PMf_SKIPWHITE)
374     sv_catpv(tmpsv, ",SKIPWHITE");
375     if (pm->op_pmflags & PMf_CONST)
376     sv_catpv(tmpsv, ",CONST");
377     if (pm->op_pmflags & PMf_KEEP)
378     sv_catpv(tmpsv, ",KEEP");
379     if (pm->op_pmflags & PMf_GLOBAL)
380     sv_catpv(tmpsv, ",GLOBAL");
381     if (pm->op_pmflags & PMf_CONTINUE)
382     sv_catpv(tmpsv, ",CONTINUE");
383     if (pm->op_pmflags & PMf_RETAINT)
384     sv_catpv(tmpsv, ",RETAINT");
385     if (pm->op_pmflags & PMf_EVAL)
386     sv_catpv(tmpsv, ",EVAL");
387     Perl_dump_indent(aTHX_ level, file, "PMFLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
388     SvREFCNT_dec(tmpsv);
389     }
390    
391     Perl_dump_indent(aTHX_ level-1, file, "}\n");
392     }
393    
394     void
395     Perl_pmop_dump(pTHX_ PMOP *pm)
396     {
397     do_pmop_dump(0, Perl_debug_log, pm);
398     }
399    
400     void
401     Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
402     {
403     Perl_dump_indent(aTHX_ level, file, "{\n");
404     level++;
405     if (o->op_seq)
406     PerlIO_printf(file, "%-4d", o->op_seq);
407     else
408     PerlIO_printf(file, " ");
409     PerlIO_printf(file,
410     "%*sTYPE = %s ===> ",
411     (int)(PL_dumpindent*level-4), "", OP_NAME(o));
412     if (o->op_next) {
413     if (o->op_seq)
414     PerlIO_printf(file, "%d\n", o->op_next->op_seq);
415     else
416     PerlIO_printf(file, "(%d)\n", o->op_next->op_seq);
417     }
418     else
419     PerlIO_printf(file, "DONE\n");
420     if (o->op_targ) {
421     if (o->op_type == OP_NULL)
422     {
423     Perl_dump_indent(aTHX_ level, file, " (was %s)\n", PL_op_name[o->op_targ]);
424     if (o->op_targ == OP_NEXTSTATE)
425     {
426     if (CopLINE(cCOPo))
427     Perl_dump_indent(aTHX_ level, file, "LINE = %"UVf"\n",
428     (UV)CopLINE(cCOPo));
429     if (CopSTASHPV(cCOPo))
430     Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
431     CopSTASHPV(cCOPo));
432     if (cCOPo->cop_label)
433     Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
434     cCOPo->cop_label);
435     }
436     }
437     else
438     Perl_dump_indent(aTHX_ level, file, "TARG = %ld\n", (long)o->op_targ);
439     }
440     #ifdef DUMPADDR
441     Perl_dump_indent(aTHX_ level, file, "ADDR = 0x%"UVxf" => 0x%"UVxf"\n", (UV)o, (UV)o->op_next);
442     #endif
443     if (o->op_flags) {
444     SV *tmpsv = newSVpvn("", 0);
445     switch (o->op_flags & OPf_WANT) {
446     case OPf_WANT_VOID:
447     sv_catpv(tmpsv, ",VOID");
448     break;
449     case OPf_WANT_SCALAR:
450     sv_catpv(tmpsv, ",SCALAR");
451     break;
452     case OPf_WANT_LIST:
453     sv_catpv(tmpsv, ",LIST");
454     break;
455     default:
456     sv_catpv(tmpsv, ",UNKNOWN");
457     break;
458     }
459     if (o->op_flags & OPf_KIDS)
460     sv_catpv(tmpsv, ",KIDS");
461     if (o->op_flags & OPf_PARENS)
462     sv_catpv(tmpsv, ",PARENS");
463     if (o->op_flags & OPf_STACKED)
464     sv_catpv(tmpsv, ",STACKED");
465     if (o->op_flags & OPf_REF)
466     sv_catpv(tmpsv, ",REF");
467     if (o->op_flags & OPf_MOD)
468     sv_catpv(tmpsv, ",MOD");
469     if (o->op_flags & OPf_SPECIAL)
470     sv_catpv(tmpsv, ",SPECIAL");
471     Perl_dump_indent(aTHX_ level, file, "FLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
472     SvREFCNT_dec(tmpsv);
473     }
474     if (o->op_private) {
475     SV *tmpsv = newSVpvn("", 0);
476     if (PL_opargs[o->op_type] & OA_TARGLEX) {
477     if (o->op_private & OPpTARGET_MY)
478     sv_catpv(tmpsv, ",TARGET_MY");
479     }
480     else if (o->op_type == OP_LEAVESUB ||
481     o->op_type == OP_LEAVE ||
482     o->op_type == OP_LEAVESUBLV ||
483     o->op_type == OP_LEAVEWRITE) {
484     if (o->op_private & OPpREFCOUNTED)
485     sv_catpv(tmpsv, ",REFCOUNTED");
486     }
487     else if (o->op_type == OP_AASSIGN) {
488     if (o->op_private & OPpASSIGN_COMMON)
489     sv_catpv(tmpsv, ",COMMON");
490     if (o->op_private & OPpASSIGN_HASH)
491     sv_catpv(tmpsv, ",HASH");
492     }
493     else if (o->op_type == OP_SASSIGN) {
494     if (o->op_private & OPpASSIGN_BACKWARDS)
495     sv_catpv(tmpsv, ",BACKWARDS");
496     }
497     else if (o->op_type == OP_TRANS) {
498     if (o->op_private & OPpTRANS_SQUASH)
499     sv_catpv(tmpsv, ",SQUASH");
500     if (o->op_private & OPpTRANS_DELETE)
501     sv_catpv(tmpsv, ",DELETE");
502     if (o->op_private & OPpTRANS_COMPLEMENT)
503     sv_catpv(tmpsv, ",COMPLEMENT");
504     if (o->op_private & OPpTRANS_IDENTICAL)
505     sv_catpv(tmpsv, ",IDENTICAL");
506     if (o->op_private & OPpTRANS_GROWS)
507     sv_catpv(tmpsv, ",GROWS");
508     }
509     else if (o->op_type == OP_REPEAT) {
510     if (o->op_private & OPpREPEAT_DOLIST)
511     sv_catpv(tmpsv, ",DOLIST");
512     }
513     else if (o->op_type == OP_ENTERSUB ||
514     o->op_type == OP_RV2SV ||
515     o->op_type == OP_GVSV ||
516     o->op_type == OP_RV2AV ||
517     o->op_type == OP_RV2HV ||
518     o->op_type == OP_RV2GV ||
519     o->op_type == OP_AELEM ||
520     o->op_type == OP_HELEM )
521     {
522     if (o->op_type == OP_ENTERSUB) {
523     if (o->op_private & OPpENTERSUB_AMPER)
524     sv_catpv(tmpsv, ",AMPER");
525     if (o->op_private & OPpENTERSUB_DB)
526     sv_catpv(tmpsv, ",DB");
527     if (o->op_private & OPpENTERSUB_HASTARG)
528     sv_catpv(tmpsv, ",HASTARG");
529     if (o->op_private & OPpENTERSUB_NOPAREN)
530     sv_catpv(tmpsv, ",NOPAREN");
531     if (o->op_private & OPpENTERSUB_INARGS)
532     sv_catpv(tmpsv, ",INARGS");
533     if (o->op_private & OPpENTERSUB_NOMOD)
534     sv_catpv(tmpsv, ",NOMOD");
535     }
536     else {
537     switch (o->op_private & OPpDEREF) {
538     case OPpDEREF_SV:
539     sv_catpv(tmpsv, ",SV");
540     break;
541     case OPpDEREF_AV:
542     sv_catpv(tmpsv, ",AV");
543     break;
544     case OPpDEREF_HV:
545     sv_catpv(tmpsv, ",HV");
546     break;
547     }
548     if (o->op_private & OPpMAYBE_LVSUB)
549     sv_catpv(tmpsv, ",MAYBE_LVSUB");
550     }
551     if (o->op_type == OP_AELEM || o->op_type == OP_HELEM) {
552     if (o->op_private & OPpLVAL_DEFER)
553     sv_catpv(tmpsv, ",LVAL_DEFER");
554     }
555     else {
556     if (o->op_private & HINT_STRICT_REFS)
557     sv_catpv(tmpsv, ",STRICT_REFS");
558     if (o->op_private & OPpOUR_INTRO)
559     sv_catpv(tmpsv, ",OUR_INTRO");
560     }
561     }
562     else if (o->op_type == OP_CONST) {
563     if (o->op_private & OPpCONST_BARE)
564     sv_catpv(tmpsv, ",BARE");
565     if (o->op_private & OPpCONST_STRICT)
566     sv_catpv(tmpsv, ",STRICT");
567     if (o->op_private & OPpCONST_ARYBASE)
568     sv_catpv(tmpsv, ",ARYBASE");
569     if (o->op_private & OPpCONST_WARNING)
570     sv_catpv(tmpsv, ",WARNING");
571     if (o->op_private & OPpCONST_ENTERED)
572     sv_catpv(tmpsv, ",ENTERED");
573     }
574     else if (o->op_type == OP_FLIP) {
575     if (o->op_private & OPpFLIP_LINENUM)
576     sv_catpv(tmpsv, ",LINENUM");
577     }
578     else if (o->op_type == OP_FLOP) {
579     if (o->op_private & OPpFLIP_LINENUM)
580     sv_catpv(tmpsv, ",LINENUM");
581     }
582     else if (o->op_type == OP_RV2CV) {
583     if (o->op_private & OPpLVAL_INTRO)
584     sv_catpv(tmpsv, ",INTRO");
585     }
586     else if (o->op_type == OP_GV) {
587     if (o->op_private & OPpEARLY_CV)
588     sv_catpv(tmpsv, ",EARLY_CV");
589     }
590     else if (o->op_type == OP_LIST) {
591     if (o->op_private & OPpLIST_GUESSED)
592     sv_catpv(tmpsv, ",GUESSED");
593     }
594     else if (o->op_type == OP_DELETE) {
595     if (o->op_private & OPpSLICE)
596     sv_catpv(tmpsv, ",SLICE");
597     }
598     else if (o->op_type == OP_EXISTS) {
599     if (o->op_private & OPpEXISTS_SUB)
600     sv_catpv(tmpsv, ",EXISTS_SUB");
601     }
602     else if (o->op_type == OP_SORT) {
603     if (o->op_private & OPpSORT_NUMERIC)
604     sv_catpv(tmpsv, ",NUMERIC");
605     if (o->op_private & OPpSORT_INTEGER)
606     sv_catpv(tmpsv, ",INTEGER");
607     if (o->op_private & OPpSORT_REVERSE)
608     sv_catpv(tmpsv, ",REVERSE");
609     }
610     else if (o->op_type == OP_THREADSV) {
611     if (o->op_private & OPpDONE_SVREF)
612     sv_catpv(tmpsv, ",SVREF");
613     }
614     else if (o->op_type == OP_OPEN || o->op_type == OP_BACKTICK) {
615     if (o->op_private & OPpOPEN_IN_RAW)
616     sv_catpv(tmpsv, ",IN_RAW");
617     if (o->op_private & OPpOPEN_IN_CRLF)
618     sv_catpv(tmpsv, ",IN_CRLF");
619     if (o->op_private & OPpOPEN_OUT_RAW)
620     sv_catpv(tmpsv, ",OUT_RAW");
621     if (o->op_private & OPpOPEN_OUT_CRLF)
622     sv_catpv(tmpsv, ",OUT_CRLF");
623     }
624     else if (o->op_type == OP_EXIT) {
625     if (o->op_private & OPpEXIT_VMSISH)
626     sv_catpv(tmpsv, ",EXIT_VMSISH");
627     if (o->op_private & OPpHUSH_VMSISH)
628     sv_catpv(tmpsv, ",HUSH_VMSISH");
629     }
630     else if (o->op_type == OP_DIE) {
631     if (o->op_private & OPpHUSH_VMSISH)
632     sv_catpv(tmpsv, ",HUSH_VMSISH");
633     }
634     else if (OP_IS_FILETEST_ACCESS(o)) {
635     if (o->op_private & OPpFT_ACCESS)
636     sv_catpv(tmpsv, ",FT_ACCESS");
637     }
638     if (o->op_flags & OPf_MOD && o->op_private & OPpLVAL_INTRO)
639     sv_catpv(tmpsv, ",INTRO");
640     if (SvCUR(tmpsv))
641     Perl_dump_indent(aTHX_ level, file, "PRIVATE = (%s)\n", SvPVX(tmpsv) + 1);
642     SvREFCNT_dec(tmpsv);
643     }
644    
645     switch (o->op_type) {
646     case OP_AELEMFAST:
647     case OP_GVSV:
648     case OP_GV:
649     #ifdef USE_ITHREADS
650     Perl_dump_indent(aTHX_ level, file, "PADIX = %" IVdf "\n", (IV)cPADOPo->op_padix);
651     #else
652     if ( ! PL_op->op_flags & OPf_SPECIAL) { /* not lexical */
653     if (cSVOPo->op_sv) {
654     SV *tmpsv = NEWSV(0,0);
655     STRLEN n_a;
656     ENTER;
657     SAVEFREESV(tmpsv);
658     gv_fullname3(tmpsv, (GV*)cSVOPo->op_sv, Nullch);
659     Perl_dump_indent(aTHX_ level, file, "GV = %s\n", SvPV(tmpsv, n_a));
660     LEAVE;
661     }
662     else
663     Perl_dump_indent(aTHX_ level, file, "GV = NULL\n");
664     }
665     #endif
666     break;
667     case OP_CONST:
668     case OP_METHOD_NAMED:
669     #ifndef USE_ITHREADS
670     /* with ITHREADS, consts are stored in the pad, and the right pad
671     * may not be active here, so skip */
672     Perl_dump_indent(aTHX_ level, file, "SV = %s\n", SvPEEK(cSVOPo_sv));
673     #endif
674     break;
675     case OP_SETSTATE:
676     case OP_NEXTSTATE:
677     case OP_DBSTATE:
678     if (CopLINE(cCOPo))
679     Perl_dump_indent(aTHX_ level, file, "LINE = %"UVf"\n",
680     (UV)CopLINE(cCOPo));
681     if (CopSTASHPV(cCOPo))
682     Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
683     CopSTASHPV(cCOPo));
684     if (cCOPo->cop_label)
685     Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
686     cCOPo->cop_label);
687     break;
688     case OP_ENTERLOOP:
689     Perl_dump_indent(aTHX_ level, file, "REDO ===> ");
690     if (cLOOPo->op_redoop)
691     PerlIO_printf(file, "%d\n", cLOOPo->op_redoop->op_seq);
692     else
693     PerlIO_printf(file, "DONE\n");
694     Perl_dump_indent(aTHX_ level, file, "NEXT ===> ");
695     if (cLOOPo->op_nextop)
696     PerlIO_printf(file, "%d\n", cLOOPo->op_nextop->op_seq);
697     else
698     PerlIO_printf(file, "DONE\n");
699     Perl_dump_indent(aTHX_ level, file, "LAST ===> ");
700     if (cLOOPo->op_lastop)
701     PerlIO_printf(file, "%d\n", cLOOPo->op_lastop->op_seq);
702     else
703     PerlIO_printf(file, "DONE\n");
704     break;
705     case OP_COND_EXPR:
706     case OP_RANGE:
707     case OP_MAPWHILE:
708     case OP_GREPWHILE:
709     case OP_OR:
710     case OP_AND:
711     Perl_dump_indent(aTHX_ level, file, "OTHER ===> ");
712     if (cLOGOPo->op_other)
713     PerlIO_printf(file, "%d\n", cLOGOPo->op_other->op_seq);
714     else
715     PerlIO_printf(file, "DONE\n");
716     break;
717     case OP_PUSHRE:
718     case OP_MATCH:
719     case OP_QR:
720     case OP_SUBST:
721     do_pmop_dump(level, file, cPMOPo);
722     break;
723     case OP_LEAVE:
724     case OP_LEAVEEVAL:
725     case OP_LEAVESUB:
726     case OP_LEAVESUBLV:
727     case OP_LEAVEWRITE:
728     case OP_SCOPE:
729     if (o->op_private & OPpREFCOUNTED)
730     Perl_dump_indent(aTHX_ level, file, "REFCNT = %"UVuf"\n", (UV)o->op_targ);
731     break;
732     default:
733     break;
734     }
735     if (o->op_flags & OPf_KIDS) {
736     OP *kid;
737     for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
738     do_op_dump(level, file, kid);
739     }
740     Perl_dump_indent(aTHX_ level-1, file, "}\n");
741     }
742    
743     void
744     Perl_op_dump(pTHX_ OP *o)
745     {
746     do_op_dump(0, Perl_debug_log, o);
747     }
748    
749     void
750     Perl_gv_dump(pTHX_ GV *gv)
751     {
752     SV *sv;
753    
754     if (!gv) {
755     PerlIO_printf(Perl_debug_log, "{}\n");
756     return;
757     }
758     sv = sv_newmortal();
759     PerlIO_printf(Perl_debug_log, "{\n");
760     gv_fullname3(sv, gv, Nullch);
761     Perl_dump_indent(aTHX_ 1, Perl_debug_log, "GV_NAME = %s", SvPVX(sv));
762     if (gv != GvEGV(gv)) {
763     gv_efullname3(sv, GvEGV(gv), Nullch);
764     Perl_dump_indent(aTHX_ 1, Perl_debug_log, "-> %s", SvPVX(sv));
765     }
766     PerlIO_putc(Perl_debug_log, '\n');
767     Perl_dump_indent(aTHX_ 0, Perl_debug_log, "}\n");
768     }
769    
770    
771     /* map magic types to the symbolic names
772     * (with the PERL_MAGIC_ prefixed stripped)
773     */
774    
775     static struct { char type; char *name; } magic_names[] = {
776     { PERL_MAGIC_sv, "sv(\\0)" },
777     { PERL_MAGIC_arylen, "arylen(#)" },
778     { PERL_MAGIC_glob, "glob(*)" },
779     { PERL_MAGIC_pos, "pos(.)" },
780     { PERL_MAGIC_backref, "backref(<)" },
781     { PERL_MAGIC_overload, "overload(A)" },
782     { PERL_MAGIC_bm, "bm(B)" },
783     { PERL_MAGIC_regdata, "regdata(D)" },
784     { PERL_MAGIC_env, "env(E)" },
785     { PERL_MAGIC_isa, "isa(I)" },
786     { PERL_MAGIC_dbfile, "dbfile(L)" },
787     { PERL_MAGIC_shared, "shared(N)" },
788     { PERL_MAGIC_tied, "tied(P)" },
789     { PERL_MAGIC_sig, "sig(S)" },
790     { PERL_MAGIC_uvar, "uvar(U)" },
791     { PERL_MAGIC_overload_elem, "overload_elem(a)" },
792     { PERL_MAGIC_overload_table, "overload_table(c)" },
793     { PERL_MAGIC_regdatum, "regdatum(d)" },
794     { PERL_MAGIC_envelem, "envelem(e)" },
795     { PERL_MAGIC_fm, "fm(f)" },
796     { PERL_MAGIC_regex_global, "regex_global(g)" },
797     { PERL_MAGIC_isaelem, "isaelem(i)" },
798     { PERL_MAGIC_nkeys, "nkeys(k)" },
799     { PERL_MAGIC_dbline, "dbline(l)" },
800     { PERL_MAGIC_mutex, "mutex(m)" },
801     { PERL_MAGIC_shared_scalar, "shared_scalar(n)" },
802     { PERL_MAGIC_collxfrm, "collxfrm(o)" },
803     { PERL_MAGIC_tiedelem, "tiedelem(p)" },
804     { PERL_MAGIC_tiedscalar, "tiedscalar(q)" },
805     { PERL_MAGIC_qr, "qr(r)" },
806     { PERL_MAGIC_sigelem, "sigelem(s)" },
807     { PERL_MAGIC_taint, "taint(t)" },
808     { PERL_MAGIC_uvar_elem, "uvar_elem(v)" },
809     { PERL_MAGIC_vec, "vec(v)" },
810     { PERL_MAGIC_vstring, "v-string(V)" },
811     { PERL_MAGIC_utf8, "utf8(w)" },
812     { PERL_MAGIC_substr, "substr(x)" },
813     { PERL_MAGIC_defelem, "defelem(y)" },
814     { PERL_MAGIC_ext, "ext(~)" },
815     /* this null string terminates the list */
816     { 0, 0 },
817     };
818    
819     void
820     Perl_do_magic_dump(pTHX_ I32 level, PerlIO *file, MAGIC *mg, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
821     {
822     for (; mg; mg = mg->mg_moremagic) {
823     Perl_dump_indent(aTHX_ level, file,
824     " MAGIC = 0x%"UVxf"\n", PTR2UV(mg));
825     if (mg->mg_virtual) {
826     MGVTBL *v = mg->mg_virtual;
827     char *s = 0;
828     if (v == &PL_vtbl_sv) s = "sv";
829     else if (v == &PL_vtbl_env) s = "env";
830     else if (v == &PL_vtbl_envelem) s = "envelem";
831     else if (v == &PL_vtbl_sig) s = "sig";
832     else if (v == &PL_vtbl_sigelem) s = "sigelem";
833     else if (v == &PL_vtbl_pack) s = "pack";
834     else if (v == &PL_vtbl_packelem) s = "packelem";
835     else if (v == &PL_vtbl_dbline) s = "dbline";
836     else if (v == &PL_vtbl_isa) s = "isa";
837     else if (v == &PL_vtbl_arylen) s = "arylen";
838     else if (v == &PL_vtbl_glob) s = "glob";
839     else if (v == &PL_vtbl_mglob) s = "mglob";
840     else if (v == &PL_vtbl_nkeys) s = "nkeys";
841     else if (v == &PL_vtbl_taint) s = "taint";
842     else if (v == &PL_vtbl_substr) s = "substr";
843     else if (v == &PL_vtbl_vec) s = "vec";
844     else if (v == &PL_vtbl_pos) s = "pos";
845     else if (v == &PL_vtbl_bm) s = "bm";
846     else if (v == &PL_vtbl_fm) s = "fm";
847     else if (v == &PL_vtbl_uvar) s = "uvar";
848     else if (v == &PL_vtbl_defelem) s = "defelem";
849     #ifdef USE_LOCALE_COLLATE
850     else if (v == &PL_vtbl_collxfrm) s = "collxfrm";
851     #endif
852     else if (v == &PL_vtbl_amagic) s = "amagic";
853     else if (v == &PL_vtbl_amagicelem) s = "amagicelem";
854     else if (v == &PL_vtbl_backref) s = "backref";
855     else if (v == &PL_vtbl_utf8) s = "utf8";
856     if (s)
857     Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = &PL_vtbl_%s\n", s);
858     else
859     Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0x%"UVxf"\n", PTR2UV(v));
860     }
861     else
862     Perl_dump_indent(aTHX_ level, file, " MG_VIRTUAL = 0\n");
863    
864     if (mg->mg_private)
865     Perl_dump_indent(aTHX_ level, file, " MG_PRIVATE = %d\n", mg->mg_private);
866    
867     {
868     int n;
869     char *name = 0;
870     for (n=0; magic_names[n].name; n++) {
871     if (mg->mg_type == magic_names[n].type) {
872     name = magic_names[n].name;
873     break;
874     }
875     }
876     if (name)
877     Perl_dump_indent(aTHX_ level, file,
878     " MG_TYPE = PERL_MAGIC_%s\n", name);
879     else
880     Perl_dump_indent(aTHX_ level, file,
881     " MG_TYPE = UNKNOWN(\\%o)\n", mg->mg_type);
882     }
883    
884     if (mg->mg_flags) {
885     Perl_dump_indent(aTHX_ level, file, " MG_FLAGS = 0x%02X\n", mg->mg_flags);
886     if (mg->mg_type == PERL_MAGIC_envelem &&
887     mg->mg_flags & MGf_TAINTEDDIR)
888     Perl_dump_indent(aTHX_ level, file, " TAINTEDDIR\n");
889     if (mg->mg_flags & MGf_REFCOUNTED)
890     Perl_dump_indent(aTHX_ level, file, " REFCOUNTED\n");
891     if (mg->mg_flags & MGf_GSKIP)
892     Perl_dump_indent(aTHX_ level, file, " GSKIP\n");
893     if (mg->mg_type == PERL_MAGIC_regex_global &&
894     mg->mg_flags & MGf_MINMATCH)
895     Perl_dump_indent(aTHX_ level, file, " MINMATCH\n");
896     }
897     if (mg->mg_obj) {
898     Perl_dump_indent(aTHX_ level, file, " MG_OBJ = 0x%"UVxf"\n", PTR2UV(mg->mg_obj));
899     if (mg->mg_flags & MGf_REFCOUNTED)
900     do_sv_dump(level+2, file, mg->mg_obj, nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
901     }
902     if (mg->mg_len)
903     Perl_dump_indent(aTHX_ level, file, " MG_LEN = %ld\n", (long)mg->mg_len);
904     if (mg->mg_ptr) {
905     Perl_dump_indent(aTHX_ level, file, " MG_PTR = 0x%"UVxf, PTR2UV(mg->mg_ptr));
906     if (mg->mg_len >= 0) {
907     if (mg->mg_type != PERL_MAGIC_utf8) {
908     SV *sv = newSVpvn("", 0);
909     PerlIO_printf(file, " %s", pv_display(sv, mg->mg_ptr, mg->mg_len, 0, pvlim));
910     SvREFCNT_dec(sv);
911     }
912     }
913     else if (mg->mg_len == HEf_SVKEY) {
914     PerlIO_puts(file, " => HEf_SVKEY\n");
915     do_sv_dump(level+2, file, (SV*)((mg)->mg_ptr), nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
916     continue;
917     }
918     else
919     PerlIO_puts(file, " ???? - please notify IZ");
920     PerlIO_putc(file, '\n');
921     }
922     if (mg->mg_type == PERL_MAGIC_utf8) {
923     STRLEN *cache = (STRLEN *) mg->mg_ptr;
924     if (cache) {
925     IV i;
926     for (i = 0; i < PERL_MAGIC_UTF8_CACHESIZE; i++)
927     Perl_dump_indent(aTHX_ level, file,
928     " %2"IVdf": %"UVuf" -> %"UVuf"\n",
929     i,
930     (UV)cache[i * 2],
931     (UV)cache[i * 2 + 1]);
932     }
933     }
934     }
935     }
936    
937     void
938     Perl_magic_dump(pTHX_ MAGIC *mg)
939     {
940     do_magic_dump(0, Perl_debug_log, mg, 0, 0, 0, 0);
941     }
942    
943     void
944     Perl_do_hv_dump(pTHX_ I32 level, PerlIO *file, char *name, HV *sv)
945     {
946     Perl_dump_indent(aTHX_ level, file, "%s = 0x%"UVxf, name, PTR2UV(sv));
947     if (sv && HvNAME(sv))
948     PerlIO_printf(file, "\t\"%s\"\n", HvNAME(sv));
949     else
950     PerlIO_putc(file, '\n');
951     }
952    
953     void
954     Perl_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    
963     void
964     Perl_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     PerlIO_printf(file, "\t\"");
969     if (GvSTASH(sv) && HvNAME(GvSTASH(sv)))
970     PerlIO_printf(file, "%s\" :: \"", HvNAME(GvSTASH(sv)));
971     PerlIO_printf(file, "%s\"\n", GvNAME(sv));
972     }
973     else
974     PerlIO_putc(file, '\n');
975     }
976    
977     void
978     Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
979     {
980     SV *d;
981     char *s;
982     U32 flags;
983     U32 type;
984    
985     if (!sv) {
986     Perl_dump_indent(aTHX_ level, file, "SV = 0\n");
987     return;
988     }
989    
990     flags = SvFLAGS(sv);
991     type = SvTYPE(sv);
992    
993     d = Perl_newSVpvf(aTHX_
994     "(0x%"UVxf") at 0x%"UVxf"\n%*s REFCNT = %"IVdf"\n%*s FLAGS = (",
995     PTR2UV(SvANY(sv)), PTR2UV(sv),
996     (int)(PL_dumpindent*level), "", (IV)SvREFCNT(sv),
997     (int)(PL_dumpindent*level), "");
998    
999     if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,");
1000     if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,");
1001     if (flags & SVs_PADMY) sv_catpv(d, "PADMY,");
1002     if (flags & SVs_TEMP) sv_catpv(d, "TEMP,");
1003     if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,");
1004     if (flags & SVs_GMG) sv_catpv(d, "GMG,");
1005     if (flags & SVs_SMG) sv_catpv(d, "SMG,");
1006     if (flags & SVs_RMG) sv_catpv(d, "RMG,");
1007    
1008     if (flags & SVf_IOK) sv_catpv(d, "IOK,");
1009     if (flags & SVf_NOK) sv_catpv(d, "NOK,");
1010     if (flags & SVf_POK) sv_catpv(d, "POK,");
1011     if (flags & SVf_ROK) {
1012     sv_catpv(d, "ROK,");
1013     if (SvWEAKREF(sv)) sv_catpv(d, "WEAKREF,");
1014     }
1015     if (flags & SVf_OOK) sv_catpv(d, "OOK,");
1016     if (flags & SVf_FAKE) sv_catpv(d, "FAKE,");
1017     if (flags & SVf_READONLY) sv_catpv(d, "READONLY,");
1018    
1019     if (flags & SVf_AMAGIC && type != SVt_PVHV)
1020     sv_catpv(d, "OVERLOAD,");
1021     if (flags & SVp_IOK) sv_catpv(d, "pIOK,");
1022     if (flags & SVp_NOK) sv_catpv(d, "pNOK,");
1023     if (flags & SVp_POK) sv_catpv(d, "pPOK,");
1024     if (flags & SVp_SCREAM && type != SVt_PVHV)
1025     sv_catpv(d, "SCREAM,");
1026    
1027     switch (type) {
1028     case SVt_PVCV:
1029     case SVt_PVFM:
1030     if (CvANON(sv)) sv_catpv(d, "ANON,");
1031     if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
1032     if (CvCLONE(sv)) sv_catpv(d, "CLONE,");
1033     if (CvCLONED(sv)) sv_catpv(d, "CLONED,");
1034     if (CvCONST(sv)) sv_catpv(d, "CONST,");
1035     if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
1036     if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,");
1037     if (CvLVALUE(sv)) sv_catpv(d, "LVALUE,");
1038     if (CvMETHOD(sv)) sv_catpv(d, "METHOD,");
1039     if (CvLOCKED(sv)) sv_catpv(d, "LOCKED,");
1040     if (CvWEAKOUTSIDE(sv)) sv_catpv(d, "WEAKOUTSIDE,");
1041     break;
1042     case SVt_PVHV:
1043     if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,");
1044     if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,");
1045     if (HvHASKFLAGS(sv)) sv_catpv(d, "HASKFLAGS,");
1046     if (HvREHASH(sv)) sv_catpv(d, "REHASH,");
1047     if (flags & SVphv_CLONEABLE) sv_catpv(d, "CLONEABLE,");
1048     break;
1049     case SVt_PVGV:
1050     if (GvINTRO(sv)) sv_catpv(d, "INTRO,");
1051     if (GvMULTI(sv)) sv_catpv(d, "MULTI,");
1052     if (GvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
1053     if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,");
1054     if (GvIN_PAD(sv)) sv_catpv(d, "IN_PAD,");
1055     if (flags & SVpad_OUR) sv_catpv(d, "OUR,");
1056     if (GvIMPORTED(sv)) {
1057     sv_catpv(d, "IMPORT");
1058     if (GvIMPORTED(sv) == GVf_IMPORTED)
1059     sv_catpv(d, "ALL,");
1060     else {
1061     sv_catpv(d, "(");
1062     if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV");
1063     if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV");
1064     if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV");
1065     if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV");
1066     sv_catpv(d, " ),");
1067     }
1068     }
1069     /* FALL THROUGH */
1070     default:
1071     if (SvEVALED(sv)) sv_catpv(d, "EVALED,");
1072     if (SvIsUV(sv)) sv_catpv(d, "IsUV,");
1073     break;
1074     case SVt_PVBM:
1075     if (SvTAIL(sv)) sv_catpv(d, "TAIL,");
1076     if (SvVALID(sv)) sv_catpv(d, "VALID,");
1077     break;
1078     case SVt_PVMG:
1079     if (flags & SVpad_TYPED)
1080     sv_catpv(d, "TYPED,");
1081     break;
1082     }
1083     /* SVphv_SHAREKEYS is also 0x20000000 */
1084     if ((type != SVt_PVHV) && SvUTF8(sv))
1085     sv_catpv(d, "UTF8");
1086    
1087     if (*(SvEND(d) - 1) == ',')
1088     SvPVX(d)[--SvCUR(d)] = '\0';
1089     sv_catpv(d, ")");
1090     s = SvPVX(d);
1091    
1092     Perl_dump_indent(aTHX_ level, file, "SV = ");
1093     switch (type) {
1094     case SVt_NULL:
1095     PerlIO_printf(file, "NULL%s\n", s);
1096     SvREFCNT_dec(d);
1097     return;
1098     case SVt_IV:
1099     PerlIO_printf(file, "IV%s\n", s);
1100     break;
1101     case SVt_NV:
1102     PerlIO_printf(file, "NV%s\n", s);
1103     break;
1104     case SVt_RV:
1105     PerlIO_printf(file, "RV%s\n", s);
1106     break;
1107     case SVt_PV:
1108     PerlIO_printf(file, "PV%s\n", s);
1109     break;
1110     case SVt_PVIV:
1111     PerlIO_printf(file, "PVIV%s\n", s);
1112     break;
1113     case SVt_PVNV:
1114     PerlIO_printf(file, "PVNV%s\n", s);
1115     break;
1116     case SVt_PVBM:
1117     PerlIO_printf(file, "PVBM%s\n", s);
1118     break;
1119     case SVt_PVMG:
1120     PerlIO_printf(file, "PVMG%s\n", s);
1121     break;
1122     case SVt_PVLV:
1123     PerlIO_printf(file, "PVLV%s\n", s);
1124     break;
1125     case SVt_PVAV:
1126     PerlIO_printf(file, "PVAV%s\n", s);
1127     break;
1128     case SVt_PVHV:
1129     PerlIO_printf(file, "PVHV%s\n", s);
1130     break;
1131     case SVt_PVCV:
1132     PerlIO_printf(file, "PVCV%s\n", s);
1133     break;
1134     case SVt_PVGV:
1135     PerlIO_printf(file, "PVGV%s\n", s);
1136     break;
1137     case SVt_PVFM:
1138     PerlIO_printf(file, "PVFM%s\n", s);
1139     break;
1140     case SVt_PVIO:
1141     PerlIO_printf(file, "PVIO%s\n", s);
1142     break;
1143     default:
1144     PerlIO_printf(file, "UNKNOWN(0x%"UVxf") %s\n", (UV)type, s);
1145     SvREFCNT_dec(d);
1146     return;
1147     }
1148     if (type >= SVt_PVIV || type == SVt_IV) {
1149     if (SvIsUV(sv))
1150     Perl_dump_indent(aTHX_ level, file, " UV = %"UVuf, (UV)SvUVX(sv));
1151     else
1152     Perl_dump_indent(aTHX_ level, file, " IV = %"IVdf, (IV)SvIVX(sv));
1153     if (SvOOK(sv))
1154     PerlIO_printf(file, " (OFFSET)");
1155     PerlIO_putc(file, '\n');
1156     }
1157     if (type >= SVt_PVNV || type == SVt_NV) {
1158     STORE_NUMERIC_LOCAL_SET_STANDARD();
1159     /* %Vg doesn't work? --jhi */
1160     #ifdef USE_LONG_DOUBLE
1161     Perl_dump_indent(aTHX_ level, file, " NV = %.*" PERL_PRIgldbl "\n", LDBL_DIG, SvNVX(sv));
1162     #else
1163     Perl_dump_indent(aTHX_ level, file, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
1164     #endif
1165     RESTORE_NUMERIC_LOCAL();
1166     }
1167     if (SvROK(sv)) {
1168     Perl_dump_indent(aTHX_ level, file, " RV = 0x%"UVxf"\n", PTR2UV(SvRV(sv)));
1169     if (nest < maxnest)
1170     do_sv_dump(level+1, file, SvRV(sv), nest+1, maxnest, dumpops, pvlim);
1171     }
1172     if (type < SVt_PV) {
1173     SvREFCNT_dec(d);
1174     return;
1175     }
1176     if (type <= SVt_PVLV) {
1177     if (SvPVX(sv)) {
1178     Perl_dump_indent(aTHX_ level, file," PV = 0x%"UVxf" ", PTR2UV(SvPVX(sv)));
1179     if (SvOOK(sv))
1180     PerlIO_printf(file, "( %s . ) ", pv_display(d, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, pvlim));
1181     PerlIO_printf(file, "%s", pv_display(d, SvPVX(sv), SvCUR(sv), SvLEN(sv), pvlim));
1182     if (SvUTF8(sv)) /* the 8? \x{....} */
1183     PerlIO_printf(file, " [UTF8 \"%s\"]", sv_uni_display(d, sv, 8 * sv_len_utf8(sv), UNI_DISPLAY_QQ));
1184     PerlIO_printf(file, "\n");
1185     Perl_dump_indent(aTHX_ level, file, " CUR = %"IVdf"\n", (IV)SvCUR(sv));
1186     Perl_dump_indent(aTHX_ level, file, " LEN = %"IVdf"\n", (IV)SvLEN(sv));
1187     }
1188     else
1189     Perl_dump_indent(aTHX_ level, file, " PV = 0\n");
1190     }
1191     if (type >= SVt_PVMG) {
1192     if (SvMAGIC(sv))
1193     do_magic_dump(level, file, SvMAGIC(sv), nest, maxnest, dumpops, pvlim);
1194     if (SvSTASH(sv))
1195     do_hv_dump(level, file, " STASH", SvSTASH(sv));
1196     }
1197     switch (type) {
1198     case SVt_PVLV:
1199     Perl_dump_indent(aTHX_ level, file, " TYPE = %c\n", LvTYPE(sv));
1200     Perl_dump_indent(aTHX_ level, file, " TARGOFF = %"IVdf"\n", (IV)LvTARGOFF(sv));
1201     Perl_dump_indent(aTHX_ level, file, " TARGLEN = %"IVdf"\n", (IV)LvTARGLEN(sv));
1202     Perl_dump_indent(aTHX_ level, file, " TARG = 0x%"UVxf"\n", PTR2UV(LvTARG(sv)));
1203     if (LvTYPE(sv) != 't' && LvTYPE(sv) != 'T')
1204     do_sv_dump(level+1, file, LvTARG(sv), nest+1, maxnest,
1205     dumpops, pvlim);
1206     break;
1207     case SVt_PVAV:
1208     Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(AvARRAY(sv)));
1209     if (AvARRAY(sv) != AvALLOC(sv)) {
1210     PerlIO_printf(file, " (offset=%"IVdf")\n", (IV)(AvARRAY(sv) - AvALLOC(sv)));
1211     Perl_dump_indent(aTHX_ level, file, " ALLOC = 0x%"UVxf"\n", PTR2UV(AvALLOC(sv)));
1212     }
1213     else
1214     PerlIO_putc(file, '\n');
1215     Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)AvFILLp(sv));
1216     Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)AvMAX(sv));
1217     Perl_dump_indent(aTHX_ level, file, " ARYLEN = 0x%"UVxf"\n", PTR2UV(AvARYLEN(sv)));
1218     flags = AvFLAGS(sv);
1219     sv_setpv(d, "");
1220     if (flags & AVf_REAL) sv_catpv(d, ",REAL");
1221     if (flags & AVf_REIFY) sv_catpv(d, ",REIFY");
1222     if (flags & AVf_REUSED) sv_catpv(d, ",REUSED");
1223     Perl_dump_indent(aTHX_ level, file, " FLAGS = (%s)\n", SvCUR(d) ? SvPVX(d) + 1 : "");
1224     if (nest < maxnest && av_len((AV*)sv) >= 0) {
1225     int count;
1226     for (count = 0; count <= av_len((AV*)sv) && count < maxnest; count++) {
1227     SV** elt = av_fetch((AV*)sv,count,0);
1228    
1229     Perl_dump_indent(aTHX_ level + 1, file, "Elt No. %"IVdf"\n", (IV)count);
1230     if (elt)
1231     do_sv_dump(level+1, file, *elt, nest+1, maxnest, dumpops, pvlim);
1232     }
1233     }
1234     break;
1235     case SVt_PVHV:
1236     Perl_dump_indent(aTHX_ level, file, " ARRAY = 0x%"UVxf, PTR2UV(HvARRAY(sv)));
1237     if (HvARRAY(sv) && HvKEYS(sv)) {
1238     /* Show distribution of HEs in the ARRAY */
1239     int freq[200];
1240     #define FREQ_MAX (sizeof freq / sizeof freq[0] - 1)
1241     int i;
1242     int max = 0;
1243     U32 pow2 = 2, keys = HvKEYS(sv);
1244     NV theoret, sum = 0;
1245    
1246     PerlIO_printf(file, " (");
1247     Zero(freq, FREQ_MAX + 1, int);
1248     for (i = 0; (STRLEN)i <= HvMAX(sv); i++) {
1249     HE* h; int count = 0;
1250     for (h = HvARRAY(sv)[i]; h; h = HeNEXT(h))
1251     count++;
1252     if (count > FREQ_MAX)
1253     count = FREQ_MAX;
1254     freq[count]++;
1255     if (max < count)
1256     max = count;
1257     }
1258     for (i = 0; i <= max; i++) {
1259     if (freq[i]) {
1260     PerlIO_printf(file, "%d%s:%d", i,
1261     (i == FREQ_MAX) ? "+" : "",
1262     freq[i]);
1263     if (i != max)
1264     PerlIO_printf(file, ", ");
1265     }
1266     }
1267     PerlIO_putc(file, ')');
1268     /* The "quality" of a hash is defined as the total number of
1269     comparisons needed to access every element once, relative
1270     to the expected number needed for a random hash.
1271    
1272     The total number of comparisons is equal to the sum of
1273     the squares of the number of entries in each bucket.
1274     For a random hash of n keys into k buckets, the expected
1275     value is
1276     n + n(n-1)/2k
1277     */
1278    
1279     for (i = max; i > 0; i--) { /* Precision: count down. */
1280     sum += freq[i] * i * i;
1281     }
1282     while ((keys = keys >> 1))
1283     pow2 = pow2 << 1;
1284     theoret = HvKEYS(sv);
1285     theoret += theoret * (theoret-1)/pow2;
1286     PerlIO_putc(file, '\n');
1287     Perl_dump_indent(aTHX_ level, file, " hash quality = %.1"NVff"%%", theoret/sum*100);
1288     }
1289     PerlIO_putc(file, '\n');
1290     Perl_dump_indent(aTHX_ level, file, " KEYS = %"IVdf"\n", (IV)HvKEYS(sv));
1291     Perl_dump_indent(aTHX_ level, file, " FILL = %"IVdf"\n", (IV)HvFILL(sv));
1292     Perl_dump_indent(aTHX_ level, file, " MAX = %"IVdf"\n", (IV)HvMAX(sv));
1293     Perl_dump_indent(aTHX_ level, file, " RITER = %"IVdf"\n", (IV)HvRITER(sv));
1294     Perl_dump_indent(aTHX_ level, file, " EITER = 0x%"UVxf"\n", PTR2UV(HvEITER(sv)));
1295     if (HvPMROOT(sv))
1296     Perl_dump_indent(aTHX_ level, file, " PMROOT = 0x%"UVxf"\n", PTR2UV(HvPMROOT(sv)));
1297     if (HvNAME(sv))
1298     Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", HvNAME(sv));
1299     if (nest < maxnest && !HvEITER(sv)) { /* Try to preserve iterator */
1300     HE *he;
1301     HV *hv = (HV*)sv;
1302     int count = maxnest - nest;
1303    
1304     hv_iterinit(hv);
1305     while ((he = hv_iternext_flags(hv, HV_ITERNEXT_WANTPLACEHOLDERS))
1306     && count--) {
1307     SV *elt, *keysv;
1308     char *keypv;
1309     STRLEN len;
1310     U32 hash = HeHASH(he);
1311    
1312     keysv = hv_iterkeysv(he);
1313     keypv = SvPV(keysv, len);
1314     elt = hv_iterval(hv, he);
1315     Perl_dump_indent(aTHX_ level+1, file, "Elt %s ", pv_display(d, keypv, len, 0, pvlim));
1316     if (SvUTF8(keysv))
1317     PerlIO_printf(file, "[UTF8 \"%s\"] ", sv_uni_display(d, keysv, 8 * sv_len_utf8(keysv), UNI_DISPLAY_QQ));
1318     if (HeKREHASH(he))
1319     PerlIO_printf(file, "[REHASH] ");
1320     PerlIO_printf(file, "HASH = 0x%"UVxf"\n", (UV)hash);
1321     do_sv_dump(level+1, file, elt, nest+1, maxnest, dumpops, pvlim);
1322     }
1323     hv_iterinit(hv); /* Return to status quo */
1324     }
1325     break;
1326     case SVt_PVCV:
1327     if (SvPOK(sv))
1328     Perl_dump_indent(aTHX_ level, file, " PROTOTYPE = \"%s\"\n", SvPV_nolen(sv));
1329     /* FALL THROUGH */
1330     case SVt_PVFM:
1331     do_hv_dump(level, file, " COMP_STASH", CvSTASH(sv));
1332     if (CvSTART(sv))
1333     Perl_dump_indent(aTHX_ level, file, " START = 0x%"UVxf" ===> %"IVdf"\n", PTR2UV(CvSTART(sv)), (IV)CvSTART(sv)->op_seq);
1334     Perl_dump_indent(aTHX_ level, file, " ROOT = 0x%"UVxf"\n", PTR2UV(CvROOT(sv)));
1335     if (CvROOT(sv) && dumpops)
1336     do_op_dump(level+1, file, CvROOT(sv));
1337     Perl_dump_indent(aTHX_ level, file, " XSUB = 0x%"UVxf"\n", PTR2UV(CvXSUB(sv)));
1338     Perl_dump_indent(aTHX_ level, file, " XSUBANY = %"IVdf"\n", (IV)CvXSUBANY(sv).any_i32);
1339     do_gvgv_dump(level, file, " GVGV::GV", CvGV(sv));
1340     Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", CvFILE(sv));
1341     Perl_dump_indent(aTHX_ level, file, " DEPTH = %"IVdf"\n", (IV)CvDEPTH(sv));
1342     #ifdef USE_5005THREADS
1343     Perl_dump_indent(aTHX_ level, file, " MUTEXP = 0x%"UVxf"\n", PTR2UV(CvMUTEXP(sv)));
1344     Perl_dump_indent(aTHX_ level, file, " OWNER = 0x%"UVxf"\n", PTR2UV(CvOWNER(sv)));
1345     #endif /* USE_5005THREADS */
1346     Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)CvFLAGS(sv));
1347     Perl_dump_indent(aTHX_ level, file, " OUTSIDE_SEQ = %"UVuf"\n", (UV)CvOUTSIDE_SEQ(sv));
1348     if (type == SVt_PVFM)
1349     Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)FmLINES(sv));
1350     Perl_dump_indent(aTHX_ level, file, " PADLIST = 0x%"UVxf"\n", PTR2UV(CvPADLIST(sv)));
1351     if (nest < maxnest) {
1352     do_dump_pad(level+1, file, CvPADLIST(sv), 0);
1353     }
1354     {
1355     CV *outside = CvOUTSIDE(sv);
1356     Perl_dump_indent(aTHX_ level, file, " OUTSIDE = 0x%"UVxf" (%s)\n",
1357     PTR2UV(outside),
1358     (!outside ? "null"
1359     : CvANON(outside) ? "ANON"
1360     : (outside == PL_main_cv) ? "MAIN"
1361     : CvUNIQUE(outside) ? "UNIQUE"
1362     : CvGV(outside) ? GvNAME(CvGV(outside)) : "UNDEFINED"));
1363     }
1364     if (nest < maxnest && (CvCLONE(sv) || CvCLONED(sv)))
1365     do_sv_dump(level+1, file, (SV*)CvOUTSIDE(sv), nest+1, maxnest, dumpops, pvlim);
1366     break;
1367     case SVt_PVGV:
1368     Perl_dump_indent(aTHX_ level, file, " NAME = \"%s\"\n", GvNAME(sv));
1369     Perl_dump_indent(aTHX_ level, file, " NAMELEN = %"IVdf"\n", (IV)GvNAMELEN(sv));
1370     do_hv_dump (level, file, " GvSTASH", GvSTASH(sv));
1371     Perl_dump_indent(aTHX_ level, file, " GP = 0x%"UVxf"\n", PTR2UV(GvGP(sv)));
1372     if (!GvGP(sv))
1373     break;
1374     Perl_dump_indent(aTHX_ level, file, " SV = 0x%"UVxf"\n", PTR2UV(GvSV(sv)));
1375     Perl_dump_indent(aTHX_ level, file, " REFCNT = %"IVdf"\n", (IV)GvREFCNT(sv));
1376     Perl_dump_indent(aTHX_ level, file, " IO = 0x%"UVxf"\n", PTR2UV(GvIOp(sv)));
1377     Perl_dump_indent(aTHX_ level, file, " FORM = 0x%"UVxf" \n", PTR2UV(GvFORM(sv)));
1378     Perl_dump_indent(aTHX_ level, file, " AV = 0x%"UVxf"\n", PTR2UV(GvAV(sv)));
1379     Perl_dump_indent(aTHX_ level, file, " HV = 0x%"UVxf"\n", PTR2UV(GvHV(sv)));
1380     Perl_dump_indent(aTHX_ level, file, " CV = 0x%"UVxf"\n", PTR2UV(GvCV(sv)));
1381     Perl_dump_indent(aTHX_ level, file, " CVGEN = 0x%"UVxf"\n", (UV)GvCVGEN(sv));
1382     Perl_dump_indent(aTHX_ level, file, " GPFLAGS = 0x%"UVxf"\n", (UV)GvGPFLAGS(sv));
1383     Perl_dump_indent(aTHX_ level, file, " LINE = %"IVdf"\n", (IV)GvLINE(sv));
1384     Perl_dump_indent(aTHX_ level, file, " FILE = \"%s\"\n", GvFILE(sv));
1385     Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)GvFLAGS(sv));
1386     do_gv_dump (level, file, " EGV", GvEGV(sv));
1387     break;
1388     case SVt_PVIO:
1389     Perl_dump_indent(aTHX_ level, file, " IFP = 0x%"UVxf"\n", PTR2UV(IoIFP(sv)));
1390     Perl_dump_indent(aTHX_ level, file, " OFP = 0x%"UVxf"\n", PTR2UV(IoOFP(sv)));
1391     Perl_dump_indent(aTHX_ level, file, " DIRP = 0x%"UVxf"\n", PTR2UV(IoDIRP(sv)));
1392     Perl_dump_indent(aTHX_ level, file, " LINES = %"IVdf"\n", (IV)IoLINES(sv));
1393     Perl_dump_indent(aTHX_ level, file, " PAGE = %"IVdf"\n", (IV)IoPAGE(sv));
1394     Perl_dump_indent(aTHX_ level, file, " PAGE_LEN = %"IVdf"\n", (IV)IoPAGE_LEN(sv));
1395     Perl_dump_indent(aTHX_ level, file, " LINES_LEFT = %"IVdf"\n", (IV)IoLINES_LEFT(sv));
1396     if (IoTOP_NAME(sv))
1397     Perl_dump_indent(aTHX_ level, file, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
1398     do_gv_dump (level, file, " TOP_GV", IoTOP_GV(sv));
1399     if (IoFMT_NAME(sv))
1400     Perl_dump_indent(aTHX_ level, file, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
1401     do_gv_dump (level, file, " FMT_GV", IoFMT_GV(sv));
1402     if (IoBOTTOM_NAME(sv))
1403     Perl_dump_indent(aTHX_ level, file, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
1404     do_gv_dump (level, file, " BOTTOM_GV", IoBOTTOM_GV(sv));
1405     Perl_dump_indent(aTHX_ level, file, " SUBPROCESS = %"IVdf"\n", (IV)IoSUBPROCESS(sv));
1406     if (isPRINT(IoTYPE(sv)))
1407     Perl_dump_indent(aTHX_ level, file, " TYPE = '%c'\n", IoTYPE(sv));
1408     else
1409     Perl_dump_indent(aTHX_ level, file, " TYPE = '\\%o'\n", IoTYPE(sv));
1410     Perl_dump_indent(aTHX_ level, file, " FLAGS = 0x%"UVxf"\n", (UV)IoFLAGS(sv));
1411     break;
1412     }
1413     SvREFCNT_dec(d);
1414     }
1415    
1416     void
1417     Perl_sv_dump(pTHX_ SV *sv)
1418     {
1419     do_sv_dump(0, Perl_debug_log, sv, 0, 0, 0, 0);
1420     }
1421    
1422     int
1423     Perl_runops_debug(pTHX)
1424     {
1425     if (!PL_op) {
1426     if (ckWARN_d(WARN_DEBUGGING))
1427     Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), "NULL OP IN RUN");
1428     return 0;
1429     }
1430    
1431     do {
1432     PERL_ASYNC_CHECK();
1433     if (PL_debug) {
1434     if (PL_watchaddr != 0 && *PL_watchaddr != PL_watchok)
1435     PerlIO_printf(Perl_debug_log,
1436     "WARNING: %"UVxf" changed from %"UVxf" to %"UVxf"\n",
1437     PTR2UV(PL_watchaddr), PTR2UV(PL_watchok),
1438     PTR2UV(*PL_watchaddr));
1439     if (DEBUG_s_TEST_) {
1440     if (DEBUG_v_TEST_) {
1441     PerlIO_printf(Perl_debug_log, "\n");
1442     deb_stack_all();
1443     }
1444     else
1445     debstack();
1446     }
1447    
1448    
1449     if (DEBUG_t_TEST_) debop(PL_op);
1450     if (DEBUG_P_TEST_) debprof(PL_op);
1451     }
1452     } while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX)));
1453    
1454     TAINT_NOT;
1455     return 0;
1456     }
1457    
1458     I32
1459     Perl_debop(pTHX_ OP *o)
1460     {
1461     AV *padlist, *comppad;
1462     CV *cv;
1463     SV *sv;
1464    
1465     if (CopSTASH_eq(PL_curcop, PL_debstash) && !DEBUG_J_TEST_)
1466     return 0;
1467    
1468     Perl_deb(aTHX_ "%s", OP_NAME(o));
1469     switch (o->op_type) {
1470     case OP_CONST:
1471     PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOPo_sv));
1472     break;
1473     case OP_GVSV:
1474     case OP_GV:
1475     if (cGVOPo_gv) {
1476     sv = NEWSV(0,0);
1477     gv_fullname3(sv, cGVOPo_gv, Nullch);
1478     PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen(sv));
1479     SvREFCNT_dec(sv);
1480     }
1481     else
1482     PerlIO_printf(Perl_debug_log, "(NULL)");
1483     break;
1484     case OP_PADSV:
1485     case OP_PADAV:
1486     case OP_PADHV:
1487     /* print the lexical's name */
1488     cv = deb_curcv(cxstack_ix);
1489     if (cv) {
1490     padlist = CvPADLIST(cv);
1491     comppad = (AV*)(*av_fetch(padlist, 0, FALSE));
1492     sv = *av_fetch(comppad, o->op_targ, FALSE);
1493     } else
1494     sv = Nullsv;
1495     if (sv)
1496     PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen(sv));
1497     else
1498     PerlIO_printf(Perl_debug_log, "[%"UVuf"]", (UV)o->op_targ);
1499     break;
1500     default:
1501     break;
1502     }
1503     PerlIO_printf(Perl_debug_log, "\n");
1504     return 0;
1505     }
1506    
1507     STATIC CV*
1508     S_deb_curcv(pTHX_ I32 ix)
1509     {
1510     PERL_CONTEXT *cx = &cxstack[ix];
1511     if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT)
1512     return cx->blk_sub.cv;
1513     else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx))
1514     return PL_compcv;
1515     else if (ix == 0 && PL_curstackinfo->si_type == PERLSI_MAIN)
1516     return PL_main_cv;
1517     else if (ix <= 0)
1518     return Nullcv;
1519     else
1520     return deb_curcv(ix - 1);
1521     }
1522    
1523     void
1524     Perl_watch(pTHX_ char **addr)
1525     {
1526     PL_watchaddr = addr;
1527     PL_watchok = *addr;
1528     PerlIO_printf(Perl_debug_log, "WATCHING, %"UVxf" is currently %"UVxf"\n",
1529     PTR2UV(PL_watchaddr), PTR2UV(PL_watchok));
1530     }
1531    
1532     STATIC void
1533     S_debprof(pTHX_ OP *o)
1534     {
1535     if (CopSTASH_eq(PL_curcop, PL_debstash) && !DEBUG_J_TEST_)
1536     return;
1537     if (!PL_profiledata)
1538     Newz(000, PL_profiledata, MAXO, U32);
1539     ++PL_profiledata[o->op_type];
1540     }
1541    
1542     void
1543     Perl_debprofdump(pTHX)
1544     {
1545     unsigned i;
1546     if (!PL_profiledata)
1547     return;
1548     for (i = 0; i < MAXO; i++) {
1549     if (PL_profiledata[i])
1550     PerlIO_printf(Perl_debug_log,
1551     "%5lu %s\n", (unsigned long)PL_profiledata[i],
1552     PL_op_name[i]);
1553     }
1554     }