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win32 fixes for VC 6.0 nits
[p5sagit/p5-mst-13.2.git] / ext / Data / Dumper / Dumper.xs
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823edd99 1#include "EXTERN.h"
2#include "perl.h"
3#include "XSUB.h"
823edd99 4
5static SV *freezer;
6static SV *toaster;
7
8static I32 num_q _((char *s));
9static I32 esc_q _((char *dest, char *src, STRLEN slen));
10static SV *sv_x _((SV *sv, char *str, STRLEN len, I32 n));
11static I32 DD_dump _((SV *val, char *name, STRLEN namelen, SV *retval,
12 HV *seenhv, AV *postav, I32 *levelp, I32 indent,
13 SV *pad, SV *xpad, SV *apad, SV *sep,
14 SV *freezer, SV *toaster,
15 I32 purity, I32 deepcopy, I32 quotekeys, SV *bless));
16
17/* does a string need to be protected? */
18static I32
19needs_quote(register char *s)
20{
21TOP:
22 if (s[0] == ':') {
23 if (*++s) {
24 if (*s++ != ':')
25 return 1;
26 }
27 else
28 return 1;
29 }
30 if (isIDFIRST(*s)) {
31 while (*++s)
32 if (!isALNUM(*s))
33 if (*s == ':')
34 goto TOP;
35 else
36 return 1;
37 }
38 else
39 return 1;
40 return 0;
41}
42
43/* count the number of "'"s and "\"s in string */
44static I32
45num_q(register char *s)
46{
47 register I32 ret = 0;
48
49 while (*s) {
50 if (*s == '\'' || *s == '\\')
51 ++ret;
52 ++s;
53 }
54 return ret;
55}
56
57
58/* returns number of chars added to escape "'"s and "\"s in s */
59/* slen number of characters in s will be escaped */
60/* destination must be long enough for additional chars */
61static I32
62esc_q(register char *d, register char *s, register STRLEN slen)
63{
64 register I32 ret = 0;
65
66 while (slen > 0) {
67 switch (*s) {
68 case '\'':
69 case '\\':
70 *d = '\\';
71 ++d; ++ret;
72 default:
73 *d = *s;
74 ++d; ++s; --slen;
75 break;
76 }
77 }
78 return ret;
79}
80
81/* append a repeated string to an SV */
82static SV *
83sv_x(SV *sv, register char *str, STRLEN len, I32 n)
84{
85 if (sv == Nullsv)
86 sv = newSVpv("", 0);
87 else
88 assert(SvTYPE(sv) >= SVt_PV);
89
90 if (n > 0) {
91 SvGROW(sv, len*n + SvCUR(sv) + 1);
92 if (len == 1) {
93 char *start = SvPVX(sv) + SvCUR(sv);
94 SvCUR(sv) += n;
95 start[n] = '\0';
96 while (n > 0)
97 start[--n] = str[0];
98 }
99 else
100 while (n > 0) {
101 sv_catpvn(sv, str, len);
102 --n;
103 }
104 }
105 return sv;
106}
107
108/*
109 * This ought to be split into smaller functions. (it is one long function since
110 * it exactly parallels the perl version, which was one long thing for
111 * efficiency raisins.) Ugggh!
112 */
113static I32
114DD_dump(SV *val, char *name, STRLEN namelen, SV *retval, HV *seenhv,
115 AV *postav, I32 *levelp, I32 indent, SV *pad, SV *xpad,
116 SV *apad, SV *sep, SV *freezer, SV *toaster, I32 purity,
117 I32 deepcopy, I32 quotekeys, SV *bless)
118{
119 char tmpbuf[128];
120 U32 i;
121 char *c, *r, *realpack, id[128];
122 SV **svp;
123 SV *sv;
124 SV *blesspad = Nullsv;
125 SV *ipad;
126 SV *ival;
127 AV *seenentry;
128 char *iname;
129 STRLEN inamelen, idlen = 0;
130 U32 flags;
131 U32 realtype;
132
133 if (!val)
134 return 0;
135
136 flags = SvFLAGS(val);
137 realtype = SvTYPE(val);
138
139 if (SvGMAGICAL(val))
140 mg_get(val);
141 if (val == &sv_undef || !SvOK(val)) {
142 sv_catpvn(retval, "undef", 5);
143 return 1;
144 }
145 if (SvROK(val)) {
146
147 if (SvOBJECT(SvRV(val)) && freezer &&
148 SvPOK(freezer) && SvCUR(freezer))
149 {
150 dSP; ENTER; SAVETMPS; PUSHMARK(sp);
151 XPUSHs(val); PUTBACK;
152 i = perl_call_method(SvPVX(freezer), G_EVAL|G_SCALAR);
153 SPAGAIN;
154 if (SvTRUE(GvSV(errgv)))
155 warn("WARNING(Freezer method call failed): %s",
156 SvPVX(GvSV(errgv)));
157 else if (i)
158 val = newSVsv(POPs);
159 PUTBACK; FREETMPS; LEAVE;
160 if (i)
161 (void)sv_2mortal(val);
162 }
163
164 ival = SvRV(val);
165 flags = SvFLAGS(ival);
166 realtype = SvTYPE(ival);
167 (void) sprintf(id, "0x%lx", (unsigned long)ival);
168 idlen = strlen(id);
169 if (SvOBJECT(ival))
170 realpack = HvNAME(SvSTASH(ival));
171 else
172 realpack = Nullch;
173 if ((svp = hv_fetch(seenhv, id, idlen, FALSE)) &&
174 (sv = *svp) && SvROK(sv) &&
175 (seenentry = (AV*)SvRV(sv))) {
176 SV *othername;
177 if ((svp = av_fetch(seenentry, 0, FALSE)) && (othername = *svp)) {
178 if (purity && *levelp > 0) {
179 SV *postentry;
180
181 if (realtype == SVt_PVHV)
182 sv_catpvn(retval, "{}", 2);
183 else if (realtype == SVt_PVAV)
184 sv_catpvn(retval, "[]", 2);
185 else
186 sv_catpvn(retval, "''", 2);
187 postentry = newSVpv(name, namelen);
188 sv_catpvn(postentry, " = ", 3);
189 sv_catsv(postentry, othername);
190 av_push(postav, postentry);
191 }
192 else {
193 if (name[0] == '@' || name[0] == '%') {
194 if ((SvPVX(othername))[0] == '\\' &&
195 (SvPVX(othername))[1] == name[0]) {
196 sv_catpvn(retval, SvPVX(othername)+1, SvCUR(othername)-1);
197 }
198 else {
199 sv_catpvn(retval, name, 1);
200 sv_catpvn(retval, "{", 1);
201 sv_catsv(retval, othername);
202 sv_catpvn(retval, "}", 1);
203 }
204 }
205 else
206 sv_catsv(retval, othername);
207 }
208 return 1;
209 }
210 else {
211 warn("ref name not found for %s", id);
212 return 0;
213 }
214 }
215 else { /* store our name and continue */
216 SV *namesv;
217 if (name[0] == '@' || name[0] == '%') {
218 namesv = newSVpv("\\", 1);
219 sv_catpvn(namesv, name, namelen);
220 }
221 else if (realtype == SVt_PVCV && name[0] == '*') {
222 namesv = newSVpv("\\", 2);
223 sv_catpvn(namesv, name, namelen);
224 (SvPVX(namesv))[1] = '&';
225 }
226 else
227 namesv = newSVpv(name, namelen);
228 seenentry = newAV();
229 av_push(seenentry, namesv);
230 (void)SvREFCNT_inc(val);
231 av_push(seenentry, val);
232 (void)hv_store(seenhv, id, strlen(id), newRV((SV*)seenentry), 0);
233 SvREFCNT_dec(seenentry);
234 }
235
236 (*levelp)++;
237 ipad = sv_x(Nullsv, SvPVX(xpad), SvCUR(xpad), *levelp);
238
239 if (realpack) { /* we have a blessed ref */
240 STRLEN blesslen;
241 char *blessstr = SvPV(bless, blesslen);
242 sv_catpvn(retval, blessstr, blesslen);
243 sv_catpvn(retval, "( ", 2);
244 if (indent >= 2) {
245 blesspad = apad;
246 apad = newSVsv(apad);
247 sv_x(apad, " ", 1, blesslen+2);
248 }
249 }
250
251 if (realtype <= SVt_PVBM || realtype == SVt_PVGV) { /* scalars */
252 if (realpack && realtype != SVt_PVGV) { /* blessed */
253 sv_catpvn(retval, "do{\\(my $o = ", 13);
254 DD_dump(ival, "", 0, retval, seenhv, postav,
255 levelp, indent, pad, xpad, apad, sep,
256 freezer, toaster, purity, deepcopy, quotekeys, bless);
257 sv_catpvn(retval, ")}", 2);
258 }
259 else {
260 sv_catpvn(retval, "\\", 1);
261 DD_dump(ival, "", 0, retval, seenhv, postav,
262 levelp, indent, pad, xpad, apad, sep,
263 freezer, toaster, purity, deepcopy, quotekeys, bless);
264 }
265 }
266 else if (realtype == SVt_PVAV) {
267 SV *totpad;
268 I32 ix = 0;
269 I32 ixmax = av_len((AV *)ival);
270
271 SV *ixsv = newSViv(0);
272 /* allowing for a 24 char wide array index */
273 New(0, iname, namelen+28, char);
274 (void)strcpy(iname, name);
275 inamelen = namelen;
276 if (name[0] == '@') {
277 sv_catpvn(retval, "(", 1);
278 iname[0] = '$';
279 }
280 else {
281 sv_catpvn(retval, "[", 1);
282 if (namelen > 0 && name[namelen-1] != ']' && name[namelen-1] != '}') {
283 iname[inamelen++] = '-'; iname[inamelen++] = '>';
284 iname[inamelen] = '\0';
285 }
286 }
287 if (iname[0] == '*' && iname[inamelen-1] == '}' && inamelen >= 8 &&
288 (instr(iname+inamelen-8, "{SCALAR}") ||
289 instr(iname+inamelen-7, "{ARRAY}") ||
290 instr(iname+inamelen-6, "{HASH}"))) {
291 iname[inamelen++] = '-'; iname[inamelen++] = '>';
292 }
293 iname[inamelen++] = '['; iname[inamelen] = '\0';
294 totpad = newSVsv(sep);
295 sv_catsv(totpad, pad);
296 sv_catsv(totpad, apad);
297
298 for (ix = 0; ix <= ixmax; ++ix) {
299 STRLEN ilen;
300 SV *elem;
301 svp = av_fetch((AV*)ival, ix, FALSE);
302 if (svp)
303 elem = *svp;
304 else
305 elem = &sv_undef;
306
307 ilen = inamelen;
308 sv_setiv(ixsv, ix);
309 (void) sprintf(iname+ilen, "%ld", ix);
310 ilen = strlen(iname);
311 iname[ilen++] = ']'; iname[ilen] = '\0';
312 if (indent >= 3) {
313 sv_catsv(retval, totpad);
314 sv_catsv(retval, ipad);
315 sv_catpvn(retval, "#", 1);
316 sv_catsv(retval, ixsv);
317 }
318 sv_catsv(retval, totpad);
319 sv_catsv(retval, ipad);
320 DD_dump(elem, iname, ilen, retval, seenhv, postav,
321 levelp, indent, pad, xpad, apad, sep,
322 freezer, toaster, purity, deepcopy, quotekeys, bless);
323 if (ix < ixmax)
324 sv_catpvn(retval, ",", 1);
325 }
326 if (ixmax >= 0) {
327 SV *opad = sv_x(Nullsv, SvPVX(xpad), SvCUR(xpad), (*levelp)-1);
328 sv_catsv(retval, totpad);
329 sv_catsv(retval, opad);
330 SvREFCNT_dec(opad);
331 }
332 if (name[0] == '@')
333 sv_catpvn(retval, ")", 1);
334 else
335 sv_catpvn(retval, "]", 1);
336 SvREFCNT_dec(ixsv);
337 SvREFCNT_dec(totpad);
338 Safefree(iname);
339 }
340 else if (realtype == SVt_PVHV) {
341 SV *totpad, *newapad;
342 SV *iname, *sname;
343 HE *entry;
344 char *key;
345 I32 klen;
346 SV *hval;
347
348 iname = newSVpv(name, namelen);
349 if (name[0] == '%') {
350 sv_catpvn(retval, "(", 1);
351 (SvPVX(iname))[0] = '$';
352 }
353 else {
354 sv_catpvn(retval, "{", 1);
355 if (namelen > 0 && name[namelen-1] != ']' && name[namelen-1] != '}') {
356 sv_catpvn(iname, "->", 2);
357 }
358 }
359 if (name[0] == '*' && name[namelen-1] == '}' && namelen >= 8 &&
360 (instr(name+namelen-8, "{SCALAR}") ||
361 instr(name+namelen-7, "{ARRAY}") ||
362 instr(name+namelen-6, "{HASH}"))) {
363 sv_catpvn(iname, "->", 2);
364 }
365 sv_catpvn(iname, "{", 1);
366 totpad = newSVsv(sep);
367 sv_catsv(totpad, pad);
368 sv_catsv(totpad, apad);
369
370 (void)hv_iterinit((HV*)ival);
371 i = 0;
372 while ((entry = hv_iternext((HV*)ival))) {
373 char *nkey;
374 I32 nticks = 0;
375
376 if (i)
377 sv_catpvn(retval, ",", 1);
378 i++;
379 key = hv_iterkey(entry, &klen);
380 hval = hv_iterval((HV*)ival, entry);
381
382 if (quotekeys || needs_quote(key)) {
383 nticks = num_q(key);
384 New(0, nkey, klen+nticks+3, char);
385 nkey[0] = '\'';
386 if (nticks)
387 klen += esc_q(nkey+1, key, klen);
388 else
389 (void)Copy(key, nkey+1, klen, char);
390 nkey[++klen] = '\'';
391 nkey[++klen] = '\0';
392 }
393 else {
394 New(0, nkey, klen, char);
395 (void)Copy(key, nkey, klen, char);
396 }
397
398 sname = newSVsv(iname);
399 sv_catpvn(sname, nkey, klen);
400 sv_catpvn(sname, "}", 1);
401
402 sv_catsv(retval, totpad);
403 sv_catsv(retval, ipad);
404 sv_catpvn(retval, nkey, klen);
405 sv_catpvn(retval, " => ", 4);
406 if (indent >= 2) {
407 char *extra;
408 I32 elen = 0;
409 newapad = newSVsv(apad);
410 New(0, extra, klen+4+1, char);
411 while (elen < (klen+4))
412 extra[elen++] = ' ';
413 extra[elen] = '\0';
414 sv_catpvn(newapad, extra, elen);
415 Safefree(extra);
416 }
417 else
418 newapad = apad;
419
420 DD_dump(hval, SvPVX(sname), SvCUR(sname), retval, seenhv,
421 postav, levelp, indent, pad, xpad, newapad, sep,
422 freezer, toaster, purity, deepcopy, quotekeys, bless);
423 SvREFCNT_dec(sname);
424 Safefree(nkey);
425 if (indent >= 2)
426 SvREFCNT_dec(newapad);
427 }
428 if (i) {
429 SV *opad = sv_x(Nullsv, SvPVX(xpad), SvCUR(xpad), *levelp-1);
430 sv_catsv(retval, totpad);
431 sv_catsv(retval, opad);
432 SvREFCNT_dec(opad);
433 }
434 if (name[0] == '%')
435 sv_catpvn(retval, ")", 1);
436 else
437 sv_catpvn(retval, "}", 1);
438 SvREFCNT_dec(iname);
439 SvREFCNT_dec(totpad);
440 }
441 else if (realtype == SVt_PVCV) {
442 sv_catpvn(retval, "sub { \"DUMMY\" }", 15);
443 if (purity)
444 warn("Encountered CODE ref, using dummy placeholder");
445 }
446 else {
447 warn("cannot handle ref type %ld", realtype);
448 }
449
450 if (realpack) { /* free blessed allocs */
451 if (indent >= 2) {
452 SvREFCNT_dec(apad);
453 apad = blesspad;
454 }
455 sv_catpvn(retval, ", '", 3);
456 sv_catpvn(retval, realpack, strlen(realpack));
457 sv_catpvn(retval, "' )", 3);
458 if (toaster && SvPOK(toaster) && SvCUR(toaster)) {
459 sv_catpvn(retval, "->", 2);
460 sv_catsv(retval, toaster);
461 sv_catpvn(retval, "()", 2);
462 }
463 }
464 SvREFCNT_dec(ipad);
465 (*levelp)--;
466 }
467 else {
468 STRLEN i;
469
470 if (namelen) {
471 (void) sprintf(id, "0x%lx", (unsigned long)val);
472 if ((svp = hv_fetch(seenhv, id, (idlen = strlen(id)), FALSE)) &&
473 (sv = *svp) && SvROK(sv) &&
474 (seenentry = (AV*)SvRV(sv))) {
475 SV *othername;
476 if ((svp = av_fetch(seenentry, 0, FALSE)) && (othername = *svp)) {
477 sv_catsv(retval, othername);
478 return 1;
479 }
480 }
481 else {
482 SV *namesv;
483 namesv = newSVpv("\\", 1);
484 sv_catpvn(namesv, name, namelen);
485 seenentry = newAV();
486 av_push(seenentry, namesv);
487 (void)SvREFCNT_inc(val);
488 av_push(seenentry, val);
489 (void)hv_store(seenhv, id, strlen(id), newRV((SV*)seenentry), 0);
490 SvREFCNT_dec(seenentry);
491 }
492 }
493
494 if (SvIOK(val)) {
495 STRLEN len;
496 i = SvIV(val);
497 (void) sprintf(tmpbuf, "%d", i);
498 len = strlen(tmpbuf);
499 sv_catpvn(retval, tmpbuf, len);
500 return 1;
501 }
502 else if (realtype == SVt_PVGV) {/* GLOBs can end up with scribbly names */
503 c = SvPV(val, i);
504 ++c; --i; /* just get the name */
505 if (i >= 6 && strncmp(c, "main::", 6) == 0) {
506 c += 4;
507 i -= 4;
508 }
509 if (needs_quote(c)) {
510 sv_grow(retval, SvCUR(retval)+6+2*i);
511 r = SvPVX(retval)+SvCUR(retval);
512 r[0] = '*'; r[1] = '{'; r[2] = '\'';
513 i += esc_q(r+3, c, i);
514 i += 3;
515 r[i++] = '\''; r[i++] = '}';
516 r[i] = '\0';
517 }
518 else {
519 sv_grow(retval, SvCUR(retval)+i+2);
520 r = SvPVX(retval)+SvCUR(retval);
521 r[0] = '*'; strcpy(r+1, c);
522 i++;
523 }
524
525 if (purity) {
526 static char *entries[] = { "{SCALAR}", "{ARRAY}", "{HASH}" };
527 static STRLEN sizes[] = { 8, 7, 6 };
528 SV *e;
529 SV *nname = newSVpv("", 0);
530 SV *newapad = newSVpv("", 0);
531 GV *gv = (GV*)val;
532 I32 j;
533
534 for (j=0; j<3; j++) {
535 e = ((j == 0) ? GvSV(gv) : (j == 1) ? (SV*)GvAV(gv) : (SV*)GvHV(gv));
536 if (e) {
537 I32 nlevel = 0;
538 SV *postentry = newSVpv(r,i);
539
540 sv_setsv(nname, postentry);
541 sv_catpvn(nname, entries[j], sizes[j]);
542 sv_catpvn(postentry, " = ", 3);
543 av_push(postav, postentry);
544 e = newRV(e);
545
546 SvCUR(newapad) = 0;
547 if (indent >= 2)
548 (void)sv_x(newapad, " ", 1, SvCUR(postentry));
549
550 DD_dump(e, SvPVX(nname), SvCUR(nname), postentry,
551 seenhv, postav, &nlevel, indent, pad, xpad,
552 newapad, sep, freezer, toaster, purity,
553 deepcopy, quotekeys, bless);
554 SvREFCNT_dec(e);
555 }
556 }
557
558 SvREFCNT_dec(newapad);
559 SvREFCNT_dec(nname);
560 }
561 }
562 else {
563 c = SvPV(val, i);
564 sv_grow(retval, SvCUR(retval)+3+2*i);
565 r = SvPVX(retval)+SvCUR(retval);
566 r[0] = '\'';
567 i += esc_q(r+1, c, i);
568 ++i;
569 r[i++] = '\'';
570 r[i] = '\0';
571 }
572 SvCUR_set(retval, SvCUR(retval)+i);
573 }
574
575 if (deepcopy && idlen)
576 (void)hv_delete(seenhv, id, idlen, G_DISCARD);
577
578 return 1;
579}
580
581
582MODULE = Data::Dumper PACKAGE = Data::Dumper PREFIX = Data_Dumper_
583
584#
585# This is the exact equivalent of Dump. Well, almost. The things that are
586# different as of now (due to Laziness):
587# * doesnt do double-quotes yet.
588#
589
590void
591Data_Dumper_Dumpxs(href, ...)
592 SV *href;
593 PROTOTYPE: $;$$
594 PPCODE:
595 {
596 HV *hv;
597 SV *retval, *valstr;
598 HV *seenhv = Nullhv;
599 AV *postav, *todumpav, *namesav;
600 I32 level = 0;
601 I32 indent, terse, useqq, i, imax, postlen;
602 SV **svp;
603 SV *val, *name, *pad, *xpad, *apad, *sep, *tmp, *varname;
604 SV *freezer, *toaster, *bless;
605 I32 purity, deepcopy, quotekeys;
606 char tmpbuf[1024];
607 I32 gimme = GIMME;
608
609 if (!SvROK(href)) { /* call new to get an object first */
610 SV *valarray;
611 SV *namearray;
612
613 if (items == 3) {
614 valarray = ST(1);
615 namearray = ST(2);
616 }
617 else
618 croak("Usage: Data::Dumper::Dumpxs(PACKAGE, VAL_ARY_REF, NAME_ARY_REF)");
619
620 ENTER;
621 SAVETMPS;
622
623 PUSHMARK(sp);
624 XPUSHs(href);
625 XPUSHs(sv_2mortal(newSVsv(valarray)));
626 XPUSHs(sv_2mortal(newSVsv(namearray)));
627 PUTBACK;
628 i = perl_call_method("new", G_SCALAR);
629 SPAGAIN;
630 if (i)
631 href = newSVsv(POPs);
632
633 PUTBACK;
634 FREETMPS;
635 LEAVE;
636 if (i)
637 (void)sv_2mortal(href);
638 }
639
640 todumpav = namesav = Nullav;
641 seenhv = Nullhv;
642 val = pad = xpad = apad = sep = tmp = varname
643 = freezer = toaster = bless = &sv_undef;
644 name = sv_newmortal();
645 indent = 2;
646 terse = useqq = purity = deepcopy = 0;
647 quotekeys = 1;
648
649 retval = newSVpv("", 0);
650 if (SvROK(href)
651 && (hv = (HV*)SvRV((SV*)href))
652 && SvTYPE(hv) == SVt_PVHV) {
653
654 if ((svp = hv_fetch(hv, "seen", 4, FALSE)) && SvROK(*svp))
655 seenhv = (HV*)SvRV(*svp);
656 if ((svp = hv_fetch(hv, "todump", 6, FALSE)) && SvROK(*svp))
657 todumpav = (AV*)SvRV(*svp);
658 if ((svp = hv_fetch(hv, "names", 5, FALSE)) && SvROK(*svp))
659 namesav = (AV*)SvRV(*svp);
660 if ((svp = hv_fetch(hv, "indent", 6, FALSE)))
661 indent = SvIV(*svp);
662 if ((svp = hv_fetch(hv, "purity", 6, FALSE)))
663 purity = SvIV(*svp);
664 if ((svp = hv_fetch(hv, "terse", 5, FALSE)))
665 terse = SvTRUE(*svp);
666 if ((svp = hv_fetch(hv, "useqq", 5, FALSE)))
667 useqq = SvTRUE(*svp);
668 if ((svp = hv_fetch(hv, "pad", 3, FALSE)))
669 pad = *svp;
670 if ((svp = hv_fetch(hv, "xpad", 4, FALSE)))
671 xpad = *svp;
672 if ((svp = hv_fetch(hv, "apad", 4, FALSE)))
673 apad = *svp;
674 if ((svp = hv_fetch(hv, "sep", 3, FALSE)))
675 sep = *svp;
676 if ((svp = hv_fetch(hv, "varname", 7, FALSE)))
677 varname = *svp;
678 if ((svp = hv_fetch(hv, "freezer", 7, FALSE)))
679 freezer = *svp;
680 if ((svp = hv_fetch(hv, "toaster", 7, FALSE)))
681 toaster = *svp;
682 if ((svp = hv_fetch(hv, "deepcopy", 8, FALSE)))
683 deepcopy = SvTRUE(*svp);
684 if ((svp = hv_fetch(hv, "quotekeys", 9, FALSE)))
685 quotekeys = SvTRUE(*svp);
686 if ((svp = hv_fetch(hv, "bless", 5, FALSE)))
687 bless = *svp;
688 postav = newAV();
689
690 if (todumpav)
691 imax = av_len(todumpav);
692 else
693 imax = -1;
694 valstr = newSVpv("",0);
695 for (i = 0; i <= imax; ++i) {
696 SV *newapad;
697
698 av_clear(postav);
699 if ((svp = av_fetch(todumpav, i, FALSE)))
700 val = *svp;
701 else
702 val = &sv_undef;
703 if ((svp = av_fetch(namesav, i, TRUE)))
704 sv_setsv(name, *svp);
705 else
706 SvOK_off(name);
707
708 if (SvOK(name)) {
709 if ((SvPVX(name))[0] == '*') {
710 if (SvROK(val)) {
711 switch (SvTYPE(SvRV(val))) {
712 case SVt_PVAV:
713 (SvPVX(name))[0] = '@';
714 break;
715 case SVt_PVHV:
716 (SvPVX(name))[0] = '%';
717 break;
718 case SVt_PVCV:
719 (SvPVX(name))[0] = '*';
720 break;
721 default:
722 (SvPVX(name))[0] = '$';
723 break;
724 }
725 }
726 else
727 (SvPVX(name))[0] = '$';
728 }
729 else if ((SvPVX(name))[0] != '$')
730 sv_insert(name, 0, 0, "$", 1);
731 }
732 else {
733 STRLEN nchars = 0;
734 sv_setpvn(name, "$", 1);
735 sv_catsv(name, varname);
736 (void) sprintf(tmpbuf, "%ld", i+1);
737 nchars = strlen(tmpbuf);
738 sv_catpvn(name, tmpbuf, nchars);
739 }
740
741 if (indent >= 2) {
742 SV *tmpsv = sv_x(Nullsv, " ", 1, SvCUR(name)+3);
743 newapad = newSVsv(apad);
744 sv_catsv(newapad, tmpsv);
745 SvREFCNT_dec(tmpsv);
746 }
747 else
748 newapad = apad;
749
750 DD_dump(val, SvPVX(name), SvCUR(name), valstr, seenhv,
751 postav, &level, indent, pad, xpad, newapad, sep,
752 freezer, toaster, purity, deepcopy, quotekeys,
753 bless);
754
755 if (indent >= 2)
756 SvREFCNT_dec(newapad);
757
758 postlen = av_len(postav);
759 if (postlen >= 0 || !terse) {
760 sv_insert(valstr, 0, 0, " = ", 3);
761 sv_insert(valstr, 0, 0, SvPVX(name), SvCUR(name));
762 sv_catpvn(valstr, ";", 1);
763 }
764 sv_catsv(retval, pad);
765 sv_catsv(retval, valstr);
766 sv_catsv(retval, sep);
767 if (postlen >= 0) {
768 I32 i;
769 sv_catsv(retval, pad);
770 for (i = 0; i <= postlen; ++i) {
771 SV *elem;
772 svp = av_fetch(postav, i, FALSE);
773 if (svp && (elem = *svp)) {
774 sv_catsv(retval, elem);
775 if (i < postlen) {
776 sv_catpvn(retval, ";", 1);
777 sv_catsv(retval, sep);
778 sv_catsv(retval, pad);
779 }
780 }
781 }
782 sv_catpvn(retval, ";", 1);
783 sv_catsv(retval, sep);
784 }
785 sv_setpvn(valstr, "", 0);
786 if (gimme == G_ARRAY) {
787 XPUSHs(sv_2mortal(retval));
788 if (i < imax) /* not the last time thro ? */
789 retval = newSVpv("",0);
790 }
791 }
792 SvREFCNT_dec(postav);
793 SvREFCNT_dec(valstr);
794 }
795 else
796 croak("Call to new() method failed to return HASH ref");
797 if (gimme == G_SCALAR)
798 XPUSHs(sv_2mortal(retval));
799 }
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