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[ID 20000731.010] regex error
[p5sagit/p5-mst-13.2.git] / ext / Data / Dumper / Dumper.xs
CommitLineData
c5be433b 1#define PERL_NO_GET_CONTEXT
823edd99 2#include "EXTERN.h"
3#include "perl.h"
4#include "XSUB.h"
823edd99 5
cceca5ed 6#ifndef PERL_VERSION
0f4592ef 7#include "patchlevel.h"
5a930efa 8#define PERL_VERSION PATCHLEVEL
cceca5ed 9#endif
0f4592ef 10
cceca5ed 11#if PERL_VERSION < 5
7820172a 12# ifndef PL_sv_undef
13# define PL_sv_undef sv_undef
14# endif
15# ifndef ERRSV
16# define ERRSV GvSV(errgv)
17# endif
18# ifndef newSVpvn
19# define newSVpvn newSVpv
20# endif
21#endif
823edd99 22
20ce7b12 23static I32 num_q (char *s, STRLEN slen);
24static I32 esc_q (char *dest, char *src, STRLEN slen);
cea2e8a9 25static SV *sv_x (pTHX_ SV *sv, char *str, STRLEN len, I32 n);
26static I32 DD_dump (pTHX_ SV *val, char *name, STRLEN namelen, SV *retval,
20ce7b12 27 HV *seenhv, AV *postav, I32 *levelp, I32 indent,
28 SV *pad, SV *xpad, SV *apad, SV *sep,
29 SV *freezer, SV *toaster,
a2126434 30 I32 purity, I32 deepcopy, I32 quotekeys, SV *bless,
31 I32 maxdepth);
823edd99 32
33/* does a string need to be protected? */
34static I32
35needs_quote(register char *s)
36{
37TOP:
38 if (s[0] == ':') {
39 if (*++s) {
40 if (*s++ != ':')
41 return 1;
42 }
43 else
44 return 1;
45 }
46 if (isIDFIRST(*s)) {
47 while (*++s)
7b0972df 48 if (!isALNUM(*s)) {
823edd99 49 if (*s == ':')
50 goto TOP;
51 else
52 return 1;
7b0972df 53 }
823edd99 54 }
55 else
56 return 1;
57 return 0;
58}
59
60/* count the number of "'"s and "\"s in string */
61static I32
6c1ab3c2 62num_q(register char *s, register STRLEN slen)
823edd99 63{
64 register I32 ret = 0;
6c1ab3c2 65
66 while (slen > 0) {
823edd99 67 if (*s == '\'' || *s == '\\')
68 ++ret;
69 ++s;
6c1ab3c2 70 --slen;
823edd99 71 }
72 return ret;
73}
74
75
76/* returns number of chars added to escape "'"s and "\"s in s */
77/* slen number of characters in s will be escaped */
78/* destination must be long enough for additional chars */
79static I32
80esc_q(register char *d, register char *s, register STRLEN slen)
81{
82 register I32 ret = 0;
83
84 while (slen > 0) {
85 switch (*s) {
86 case '\'':
87 case '\\':
88 *d = '\\';
89 ++d; ++ret;
90 default:
91 *d = *s;
92 ++d; ++s; --slen;
93 break;
94 }
95 }
96 return ret;
97}
98
99/* append a repeated string to an SV */
100static SV *
cea2e8a9 101sv_x(pTHX_ SV *sv, register char *str, STRLEN len, I32 n)
823edd99 102{
103 if (sv == Nullsv)
7820172a 104 sv = newSVpvn("", 0);
823edd99 105 else
106 assert(SvTYPE(sv) >= SVt_PV);
107
108 if (n > 0) {
109 SvGROW(sv, len*n + SvCUR(sv) + 1);
110 if (len == 1) {
111 char *start = SvPVX(sv) + SvCUR(sv);
112 SvCUR(sv) += n;
113 start[n] = '\0';
114 while (n > 0)
115 start[--n] = str[0];
116 }
117 else
118 while (n > 0) {
119 sv_catpvn(sv, str, len);
120 --n;
121 }
122 }
123 return sv;
124}
125
126/*
127 * This ought to be split into smaller functions. (it is one long function since
128 * it exactly parallels the perl version, which was one long thing for
129 * efficiency raisins.) Ugggh!
130 */
131static I32
cea2e8a9 132DD_dump(pTHX_ SV *val, char *name, STRLEN namelen, SV *retval, HV *seenhv,
823edd99 133 AV *postav, I32 *levelp, I32 indent, SV *pad, SV *xpad,
134 SV *apad, SV *sep, SV *freezer, SV *toaster, I32 purity,
a2126434 135 I32 deepcopy, I32 quotekeys, SV *bless, I32 maxdepth)
823edd99 136{
137 char tmpbuf[128];
138 U32 i;
139 char *c, *r, *realpack, id[128];
140 SV **svp;
7820172a 141 SV *sv, *ipad, *ival;
823edd99 142 SV *blesspad = Nullsv;
7820172a 143 AV *seenentry = Nullav;
823edd99 144 char *iname;
145 STRLEN inamelen, idlen = 0;
146 U32 flags;
147 U32 realtype;
148
149 if (!val)
150 return 0;
151
152 flags = SvFLAGS(val);
153 realtype = SvTYPE(val);
154
155 if (SvGMAGICAL(val))
156 mg_get(val);
823edd99 157 if (SvROK(val)) {
158
159 if (SvOBJECT(SvRV(val)) && freezer &&
160 SvPOK(freezer) && SvCUR(freezer))
161 {
162 dSP; ENTER; SAVETMPS; PUSHMARK(sp);
163 XPUSHs(val); PUTBACK;
164 i = perl_call_method(SvPVX(freezer), G_EVAL|G_SCALAR);
165 SPAGAIN;
7820172a 166 if (SvTRUE(ERRSV))
823edd99 167 warn("WARNING(Freezer method call failed): %s",
7820172a 168 SvPVX(ERRSV));
823edd99 169 else if (i)
170 val = newSVsv(POPs);
171 PUTBACK; FREETMPS; LEAVE;
172 if (i)
173 (void)sv_2mortal(val);
174 }
175
176 ival = SvRV(val);
177 flags = SvFLAGS(ival);
178 realtype = SvTYPE(ival);
179 (void) sprintf(id, "0x%lx", (unsigned long)ival);
180 idlen = strlen(id);
181 if (SvOBJECT(ival))
182 realpack = HvNAME(SvSTASH(ival));
183 else
184 realpack = Nullch;
7820172a 185
186 /* if it has a name, we need to either look it up, or keep a tab
187 * on it so we know when we hit it later
188 */
189 if (namelen) {
190 if ((svp = hv_fetch(seenhv, id, idlen, FALSE))
191 && (sv = *svp) && SvROK(sv) && (seenentry = (AV*)SvRV(sv)))
192 {
193 SV *othername;
194 if ((svp = av_fetch(seenentry, 0, FALSE))
195 && (othername = *svp))
196 {
197 if (purity && *levelp > 0) {
198 SV *postentry;
199
200 if (realtype == SVt_PVHV)
201 sv_catpvn(retval, "{}", 2);
202 else if (realtype == SVt_PVAV)
203 sv_catpvn(retval, "[]", 2);
204 else
5df59fb6 205 sv_catpvn(retval, "do{my $o}", 9);
7820172a 206 postentry = newSVpvn(name, namelen);
207 sv_catpvn(postentry, " = ", 3);
208 sv_catsv(postentry, othername);
209 av_push(postav, postentry);
210 }
211 else {
212 if (name[0] == '@' || name[0] == '%') {
213 if ((SvPVX(othername))[0] == '\\' &&
214 (SvPVX(othername))[1] == name[0]) {
215 sv_catpvn(retval, SvPVX(othername)+1,
216 SvCUR(othername)-1);
217 }
218 else {
219 sv_catpvn(retval, name, 1);
220 sv_catpvn(retval, "{", 1);
221 sv_catsv(retval, othername);
222 sv_catpvn(retval, "}", 1);
223 }
823edd99 224 }
7820172a 225 else
823edd99 226 sv_catsv(retval, othername);
823edd99 227 }
7820172a 228 return 1;
229 }
230 else {
231 warn("ref name not found for %s", id);
232 return 0;
823edd99 233 }
823edd99 234 }
7820172a 235 else { /* store our name and continue */
236 SV *namesv;
237 if (name[0] == '@' || name[0] == '%') {
238 namesv = newSVpvn("\\", 1);
239 sv_catpvn(namesv, name, namelen);
240 }
241 else if (realtype == SVt_PVCV && name[0] == '*') {
242 namesv = newSVpvn("\\", 2);
243 sv_catpvn(namesv, name, namelen);
244 (SvPVX(namesv))[1] = '&';
245 }
246 else
247 namesv = newSVpvn(name, namelen);
248 seenentry = newAV();
249 av_push(seenentry, namesv);
250 (void)SvREFCNT_inc(val);
251 av_push(seenentry, val);
252 (void)hv_store(seenhv, id, strlen(id),
253 newRV((SV*)seenentry), 0);
254 SvREFCNT_dec(seenentry);
823edd99 255 }
823edd99 256 }
823edd99 257
a2126434 258 if (realpack && *realpack == 'R' && strEQ(realpack, "Regexp")) {
259 STRLEN rlen;
260 char *rval = SvPV(val, rlen);
261 char *slash = strchr(rval, '/');
262 sv_catpvn(retval, "qr/", 3);
263 while (slash) {
264 sv_catpvn(retval, rval, slash-rval);
265 sv_catpvn(retval, "\\/", 2);
266 rlen -= slash-rval+1;
267 rval = slash+1;
268 slash = strchr(rval, '/');
7894fbab 269 }
a2126434 270 sv_catpvn(retval, rval, rlen);
271 sv_catpvn(retval, "/", 1);
272 return 1;
273 }
274
275 /* If purity is not set and maxdepth is set, then check depth:
276 * if we have reached maximum depth, return the string
277 * representation of the thing we are currently examining
278 * at this depth (i.e., 'Foo=ARRAY(0xdeadbeef)').
279 */
280 if (!purity && maxdepth > 0 && *levelp >= maxdepth) {
281 STRLEN vallen;
282 char *valstr = SvPV(val,vallen);
283 sv_catpvn(retval, "'", 1);
284 sv_catpvn(retval, valstr, vallen);
285 sv_catpvn(retval, "'", 1);
286 return 1;
287 }
288
289 if (realpack) { /* we have a blessed ref */
290 STRLEN blesslen;
291 char *blessstr = SvPV(bless, blesslen);
292 sv_catpvn(retval, blessstr, blesslen);
293 sv_catpvn(retval, "( ", 2);
294 if (indent >= 2) {
295 blesspad = apad;
296 apad = newSVsv(apad);
297 sv_x(aTHX_ apad, " ", 1, blesslen+2);
823edd99 298 }
299 }
300
7894fbab 301 (*levelp)++;
302 ipad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), *levelp);
303
7820172a 304 if (realtype <= SVt_PVBM) { /* scalar ref */
305 SV *namesv = newSVpvn("${", 2);
306 sv_catpvn(namesv, name, namelen);
307 sv_catpvn(namesv, "}", 1);
308 if (realpack) { /* blessed */
823edd99 309 sv_catpvn(retval, "do{\\(my $o = ", 13);
cea2e8a9 310 DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
7820172a 311 postav, levelp, indent, pad, xpad, apad, sep,
a2126434 312 freezer, toaster, purity, deepcopy, quotekeys, bless,
313 maxdepth);
823edd99 314 sv_catpvn(retval, ")}", 2);
7820172a 315 } /* plain */
823edd99 316 else {
317 sv_catpvn(retval, "\\", 1);
cea2e8a9 318 DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
7820172a 319 postav, levelp, indent, pad, xpad, apad, sep,
a2126434 320 freezer, toaster, purity, deepcopy, quotekeys, bless,
321 maxdepth);
823edd99 322 }
7820172a 323 SvREFCNT_dec(namesv);
324 }
325 else if (realtype == SVt_PVGV) { /* glob ref */
326 SV *namesv = newSVpvn("*{", 2);
327 sv_catpvn(namesv, name, namelen);
328 sv_catpvn(namesv, "}", 1);
329 sv_catpvn(retval, "\\", 1);
cea2e8a9 330 DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
7820172a 331 postav, levelp, indent, pad, xpad, apad, sep,
a2126434 332 freezer, toaster, purity, deepcopy, quotekeys, bless,
333 maxdepth);
7820172a 334 SvREFCNT_dec(namesv);
823edd99 335 }
336 else if (realtype == SVt_PVAV) {
337 SV *totpad;
338 I32 ix = 0;
339 I32 ixmax = av_len((AV *)ival);
340
341 SV *ixsv = newSViv(0);
342 /* allowing for a 24 char wide array index */
343 New(0, iname, namelen+28, char);
344 (void)strcpy(iname, name);
345 inamelen = namelen;
346 if (name[0] == '@') {
347 sv_catpvn(retval, "(", 1);
348 iname[0] = '$';
349 }
350 else {
351 sv_catpvn(retval, "[", 1);
7820172a 352 /* omit "->" in $foo{bar}->[0], but not in ${$foo}->[0] */
353 /*if (namelen > 0
354 && name[namelen-1] != ']' && name[namelen-1] != '}'
355 && (namelen < 4 || (name[1] != '{' && name[2] != '{')))*/
356 if ((namelen > 0
357 && name[namelen-1] != ']' && name[namelen-1] != '}')
358 || (namelen > 4
359 && (name[1] == '{'
360 || (name[0] == '\\' && name[2] == '{'))))
361 {
823edd99 362 iname[inamelen++] = '-'; iname[inamelen++] = '>';
363 iname[inamelen] = '\0';
364 }
365 }
366 if (iname[0] == '*' && iname[inamelen-1] == '}' && inamelen >= 8 &&
367 (instr(iname+inamelen-8, "{SCALAR}") ||
368 instr(iname+inamelen-7, "{ARRAY}") ||
369 instr(iname+inamelen-6, "{HASH}"))) {
370 iname[inamelen++] = '-'; iname[inamelen++] = '>';
371 }
372 iname[inamelen++] = '['; iname[inamelen] = '\0';
373 totpad = newSVsv(sep);
374 sv_catsv(totpad, pad);
375 sv_catsv(totpad, apad);
376
377 for (ix = 0; ix <= ixmax; ++ix) {
378 STRLEN ilen;
379 SV *elem;
380 svp = av_fetch((AV*)ival, ix, FALSE);
381 if (svp)
382 elem = *svp;
383 else
3280af22 384 elem = &PL_sv_undef;
823edd99 385
386 ilen = inamelen;
387 sv_setiv(ixsv, ix);
7b0972df 388 (void) sprintf(iname+ilen, "%"IVdf, (IV)ix);
823edd99 389 ilen = strlen(iname);
390 iname[ilen++] = ']'; iname[ilen] = '\0';
391 if (indent >= 3) {
392 sv_catsv(retval, totpad);
393 sv_catsv(retval, ipad);
394 sv_catpvn(retval, "#", 1);
395 sv_catsv(retval, ixsv);
396 }
397 sv_catsv(retval, totpad);
398 sv_catsv(retval, ipad);
cea2e8a9 399 DD_dump(aTHX_ elem, iname, ilen, retval, seenhv, postav,
823edd99 400 levelp, indent, pad, xpad, apad, sep,
a2126434 401 freezer, toaster, purity, deepcopy, quotekeys, bless,
402 maxdepth);
823edd99 403 if (ix < ixmax)
404 sv_catpvn(retval, ",", 1);
405 }
406 if (ixmax >= 0) {
cea2e8a9 407 SV *opad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), (*levelp)-1);
823edd99 408 sv_catsv(retval, totpad);
409 sv_catsv(retval, opad);
410 SvREFCNT_dec(opad);
411 }
412 if (name[0] == '@')
413 sv_catpvn(retval, ")", 1);
414 else
415 sv_catpvn(retval, "]", 1);
416 SvREFCNT_dec(ixsv);
417 SvREFCNT_dec(totpad);
418 Safefree(iname);
419 }
420 else if (realtype == SVt_PVHV) {
421 SV *totpad, *newapad;
422 SV *iname, *sname;
423 HE *entry;
424 char *key;
425 I32 klen;
426 SV *hval;
427
7820172a 428 iname = newSVpvn(name, namelen);
823edd99 429 if (name[0] == '%') {
430 sv_catpvn(retval, "(", 1);
431 (SvPVX(iname))[0] = '$';
432 }
433 else {
434 sv_catpvn(retval, "{", 1);
7820172a 435 /* omit "->" in $foo[0]->{bar}, but not in ${$foo}->{bar} */
436 if ((namelen > 0
437 && name[namelen-1] != ']' && name[namelen-1] != '}')
438 || (namelen > 4
439 && (name[1] == '{'
440 || (name[0] == '\\' && name[2] == '{'))))
441 {
823edd99 442 sv_catpvn(iname, "->", 2);
443 }
444 }
445 if (name[0] == '*' && name[namelen-1] == '}' && namelen >= 8 &&
446 (instr(name+namelen-8, "{SCALAR}") ||
447 instr(name+namelen-7, "{ARRAY}") ||
448 instr(name+namelen-6, "{HASH}"))) {
449 sv_catpvn(iname, "->", 2);
450 }
451 sv_catpvn(iname, "{", 1);
452 totpad = newSVsv(sep);
453 sv_catsv(totpad, pad);
454 sv_catsv(totpad, apad);
455
456 (void)hv_iterinit((HV*)ival);
457 i = 0;
458 while ((entry = hv_iternext((HV*)ival))) {
459 char *nkey;
460 I32 nticks = 0;
461
462 if (i)
463 sv_catpvn(retval, ",", 1);
464 i++;
465 key = hv_iterkey(entry, &klen);
466 hval = hv_iterval((HV*)ival, entry);
467
468 if (quotekeys || needs_quote(key)) {
6c1ab3c2 469 nticks = num_q(key, klen);
823edd99 470 New(0, nkey, klen+nticks+3, char);
471 nkey[0] = '\'';
472 if (nticks)
473 klen += esc_q(nkey+1, key, klen);
474 else
475 (void)Copy(key, nkey+1, klen, char);
476 nkey[++klen] = '\'';
477 nkey[++klen] = '\0';
478 }
479 else {
480 New(0, nkey, klen, char);
481 (void)Copy(key, nkey, klen, char);
482 }
483
484 sname = newSVsv(iname);
485 sv_catpvn(sname, nkey, klen);
486 sv_catpvn(sname, "}", 1);
487
488 sv_catsv(retval, totpad);
489 sv_catsv(retval, ipad);
490 sv_catpvn(retval, nkey, klen);
491 sv_catpvn(retval, " => ", 4);
492 if (indent >= 2) {
493 char *extra;
494 I32 elen = 0;
495 newapad = newSVsv(apad);
496 New(0, extra, klen+4+1, char);
497 while (elen < (klen+4))
498 extra[elen++] = ' ';
499 extra[elen] = '\0';
500 sv_catpvn(newapad, extra, elen);
501 Safefree(extra);
502 }
503 else
504 newapad = apad;
505
cea2e8a9 506 DD_dump(aTHX_ hval, SvPVX(sname), SvCUR(sname), retval, seenhv,
823edd99 507 postav, levelp, indent, pad, xpad, newapad, sep,
a2126434 508 freezer, toaster, purity, deepcopy, quotekeys, bless,
509 maxdepth);
823edd99 510 SvREFCNT_dec(sname);
511 Safefree(nkey);
512 if (indent >= 2)
513 SvREFCNT_dec(newapad);
514 }
515 if (i) {
cea2e8a9 516 SV *opad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), *levelp-1);
823edd99 517 sv_catsv(retval, totpad);
518 sv_catsv(retval, opad);
519 SvREFCNT_dec(opad);
520 }
521 if (name[0] == '%')
522 sv_catpvn(retval, ")", 1);
523 else
524 sv_catpvn(retval, "}", 1);
525 SvREFCNT_dec(iname);
526 SvREFCNT_dec(totpad);
527 }
528 else if (realtype == SVt_PVCV) {
529 sv_catpvn(retval, "sub { \"DUMMY\" }", 15);
530 if (purity)
531 warn("Encountered CODE ref, using dummy placeholder");
532 }
533 else {
534 warn("cannot handle ref type %ld", realtype);
535 }
536
537 if (realpack) { /* free blessed allocs */
538 if (indent >= 2) {
539 SvREFCNT_dec(apad);
540 apad = blesspad;
541 }
542 sv_catpvn(retval, ", '", 3);
543 sv_catpvn(retval, realpack, strlen(realpack));
544 sv_catpvn(retval, "' )", 3);
545 if (toaster && SvPOK(toaster) && SvCUR(toaster)) {
546 sv_catpvn(retval, "->", 2);
547 sv_catsv(retval, toaster);
548 sv_catpvn(retval, "()", 2);
549 }
550 }
551 SvREFCNT_dec(ipad);
552 (*levelp)--;
553 }
554 else {
555 STRLEN i;
556
557 if (namelen) {
558 (void) sprintf(id, "0x%lx", (unsigned long)val);
559 if ((svp = hv_fetch(seenhv, id, (idlen = strlen(id)), FALSE)) &&
560 (sv = *svp) && SvROK(sv) &&
7820172a 561 (seenentry = (AV*)SvRV(sv)))
562 {
823edd99 563 SV *othername;
7820172a 564 if ((svp = av_fetch(seenentry, 0, FALSE)) && (othername = *svp)
565 && (svp = av_fetch(seenentry, 2, FALSE)) && *svp && SvIV(*svp) > 0)
566 {
567 sv_catpvn(retval, "${", 2);
823edd99 568 sv_catsv(retval, othername);
7820172a 569 sv_catpvn(retval, "}", 1);
823edd99 570 return 1;
571 }
572 }
573 else {
574 SV *namesv;
7820172a 575 namesv = newSVpvn("\\", 1);
823edd99 576 sv_catpvn(namesv, name, namelen);
577 seenentry = newAV();
578 av_push(seenentry, namesv);
7820172a 579 av_push(seenentry, newRV(val));
823edd99 580 (void)hv_store(seenhv, id, strlen(id), newRV((SV*)seenentry), 0);
581 SvREFCNT_dec(seenentry);
582 }
583 }
7820172a 584
823edd99 585 if (SvIOK(val)) {
586 STRLEN len;
f32b5c8a 587 (void) sprintf(tmpbuf, "%"IVdf, SvIV(val));
823edd99 588 len = strlen(tmpbuf);
589 sv_catpvn(retval, tmpbuf, len);
823edd99 590 }
591 else if (realtype == SVt_PVGV) {/* GLOBs can end up with scribbly names */
592 c = SvPV(val, i);
593 ++c; --i; /* just get the name */
594 if (i >= 6 && strncmp(c, "main::", 6) == 0) {
595 c += 4;
596 i -= 4;
597 }
598 if (needs_quote(c)) {
599 sv_grow(retval, SvCUR(retval)+6+2*i);
600 r = SvPVX(retval)+SvCUR(retval);
601 r[0] = '*'; r[1] = '{'; r[2] = '\'';
602 i += esc_q(r+3, c, i);
603 i += 3;
604 r[i++] = '\''; r[i++] = '}';
605 r[i] = '\0';
606 }
607 else {
608 sv_grow(retval, SvCUR(retval)+i+2);
609 r = SvPVX(retval)+SvCUR(retval);
610 r[0] = '*'; strcpy(r+1, c);
611 i++;
612 }
7820172a 613 SvCUR_set(retval, SvCUR(retval)+i);
823edd99 614
615 if (purity) {
616 static char *entries[] = { "{SCALAR}", "{ARRAY}", "{HASH}" };
617 static STRLEN sizes[] = { 8, 7, 6 };
618 SV *e;
7820172a 619 SV *nname = newSVpvn("", 0);
620 SV *newapad = newSVpvn("", 0);
823edd99 621 GV *gv = (GV*)val;
622 I32 j;
623
624 for (j=0; j<3; j++) {
625 e = ((j == 0) ? GvSV(gv) : (j == 1) ? (SV*)GvAV(gv) : (SV*)GvHV(gv));
7820172a 626 if (!e)
627 continue;
628 if (j == 0 && !SvOK(e))
629 continue;
630
631 {
823edd99 632 I32 nlevel = 0;
7820172a 633 SV *postentry = newSVpvn(r,i);
823edd99 634
635 sv_setsv(nname, postentry);
636 sv_catpvn(nname, entries[j], sizes[j]);
637 sv_catpvn(postentry, " = ", 3);
638 av_push(postav, postentry);
639 e = newRV(e);
640
641 SvCUR(newapad) = 0;
642 if (indent >= 2)
cea2e8a9 643 (void)sv_x(aTHX_ newapad, " ", 1, SvCUR(postentry));
823edd99 644
cea2e8a9 645 DD_dump(aTHX_ e, SvPVX(nname), SvCUR(nname), postentry,
823edd99 646 seenhv, postav, &nlevel, indent, pad, xpad,
647 newapad, sep, freezer, toaster, purity,
a2126434 648 deepcopy, quotekeys, bless, maxdepth);
823edd99 649 SvREFCNT_dec(e);
650 }
651 }
652
653 SvREFCNT_dec(newapad);
654 SvREFCNT_dec(nname);
655 }
656 }
7820172a 657 else if (val == &PL_sv_undef || !SvOK(val)) {
658 sv_catpvn(retval, "undef", 5);
659 }
823edd99 660 else {
661 c = SvPV(val, i);
662 sv_grow(retval, SvCUR(retval)+3+2*i);
663 r = SvPVX(retval)+SvCUR(retval);
664 r[0] = '\'';
665 i += esc_q(r+1, c, i);
666 ++i;
667 r[i++] = '\'';
668 r[i] = '\0';
7820172a 669 SvCUR_set(retval, SvCUR(retval)+i);
823edd99 670 }
823edd99 671 }
672
7820172a 673 if (idlen) {
674 if (deepcopy)
675 (void)hv_delete(seenhv, id, idlen, G_DISCARD);
676 else if (namelen && seenentry) {
677 SV *mark = *av_fetch(seenentry, 2, TRUE);
678 sv_setiv(mark,1);
679 }
680 }
823edd99 681 return 1;
682}
683
684
685MODULE = Data::Dumper PACKAGE = Data::Dumper PREFIX = Data_Dumper_
686
687#
688# This is the exact equivalent of Dump. Well, almost. The things that are
689# different as of now (due to Laziness):
690# * doesnt do double-quotes yet.
691#
692
693void
694Data_Dumper_Dumpxs(href, ...)
695 SV *href;
696 PROTOTYPE: $;$$
697 PPCODE:
698 {
699 HV *hv;
700 SV *retval, *valstr;
701 HV *seenhv = Nullhv;
702 AV *postav, *todumpav, *namesav;
703 I32 level = 0;
704 I32 indent, terse, useqq, i, imax, postlen;
705 SV **svp;
706 SV *val, *name, *pad, *xpad, *apad, *sep, *tmp, *varname;
707 SV *freezer, *toaster, *bless;
7b0972df 708 I32 purity, deepcopy, quotekeys, maxdepth = 0;
823edd99 709 char tmpbuf[1024];
710 I32 gimme = GIMME;
711
712 if (!SvROK(href)) { /* call new to get an object first */
0f1923bd 713 if (items < 2)
714 croak("Usage: Data::Dumper::Dumpxs(PACKAGE, VAL_ARY_REF, [NAME_ARY_REF])");
823edd99 715
716 ENTER;
717 SAVETMPS;
718
719 PUSHMARK(sp);
720 XPUSHs(href);
0f1923bd 721 XPUSHs(sv_2mortal(newSVsv(ST(1))));
722 if (items >= 3)
723 XPUSHs(sv_2mortal(newSVsv(ST(2))));
823edd99 724 PUTBACK;
725 i = perl_call_method("new", G_SCALAR);
726 SPAGAIN;
727 if (i)
728 href = newSVsv(POPs);
729
730 PUTBACK;
731 FREETMPS;
732 LEAVE;
733 if (i)
734 (void)sv_2mortal(href);
735 }
736
737 todumpav = namesav = Nullav;
738 seenhv = Nullhv;
739 val = pad = xpad = apad = sep = tmp = varname
3280af22 740 = freezer = toaster = bless = &PL_sv_undef;
823edd99 741 name = sv_newmortal();
742 indent = 2;
743 terse = useqq = purity = deepcopy = 0;
744 quotekeys = 1;
745
7820172a 746 retval = newSVpvn("", 0);
823edd99 747 if (SvROK(href)
748 && (hv = (HV*)SvRV((SV*)href))
749 && SvTYPE(hv) == SVt_PVHV) {
750
751 if ((svp = hv_fetch(hv, "seen", 4, FALSE)) && SvROK(*svp))
752 seenhv = (HV*)SvRV(*svp);
753 if ((svp = hv_fetch(hv, "todump", 6, FALSE)) && SvROK(*svp))
754 todumpav = (AV*)SvRV(*svp);
755 if ((svp = hv_fetch(hv, "names", 5, FALSE)) && SvROK(*svp))
756 namesav = (AV*)SvRV(*svp);
757 if ((svp = hv_fetch(hv, "indent", 6, FALSE)))
758 indent = SvIV(*svp);
759 if ((svp = hv_fetch(hv, "purity", 6, FALSE)))
760 purity = SvIV(*svp);
761 if ((svp = hv_fetch(hv, "terse", 5, FALSE)))
762 terse = SvTRUE(*svp);
763 if ((svp = hv_fetch(hv, "useqq", 5, FALSE)))
764 useqq = SvTRUE(*svp);
765 if ((svp = hv_fetch(hv, "pad", 3, FALSE)))
766 pad = *svp;
767 if ((svp = hv_fetch(hv, "xpad", 4, FALSE)))
768 xpad = *svp;
769 if ((svp = hv_fetch(hv, "apad", 4, FALSE)))
770 apad = *svp;
771 if ((svp = hv_fetch(hv, "sep", 3, FALSE)))
772 sep = *svp;
773 if ((svp = hv_fetch(hv, "varname", 7, FALSE)))
774 varname = *svp;
775 if ((svp = hv_fetch(hv, "freezer", 7, FALSE)))
776 freezer = *svp;
777 if ((svp = hv_fetch(hv, "toaster", 7, FALSE)))
778 toaster = *svp;
779 if ((svp = hv_fetch(hv, "deepcopy", 8, FALSE)))
780 deepcopy = SvTRUE(*svp);
781 if ((svp = hv_fetch(hv, "quotekeys", 9, FALSE)))
782 quotekeys = SvTRUE(*svp);
783 if ((svp = hv_fetch(hv, "bless", 5, FALSE)))
784 bless = *svp;
a2126434 785 if ((svp = hv_fetch(hv, "maxdepth", 8, FALSE)))
786 maxdepth = SvIV(*svp);
823edd99 787 postav = newAV();
788
789 if (todumpav)
790 imax = av_len(todumpav);
791 else
792 imax = -1;
7820172a 793 valstr = newSVpvn("",0);
823edd99 794 for (i = 0; i <= imax; ++i) {
795 SV *newapad;
796
797 av_clear(postav);
798 if ((svp = av_fetch(todumpav, i, FALSE)))
799 val = *svp;
800 else
3280af22 801 val = &PL_sv_undef;
823edd99 802 if ((svp = av_fetch(namesav, i, TRUE)))
803 sv_setsv(name, *svp);
804 else
805 SvOK_off(name);
806
807 if (SvOK(name)) {
808 if ((SvPVX(name))[0] == '*') {
809 if (SvROK(val)) {
810 switch (SvTYPE(SvRV(val))) {
811 case SVt_PVAV:
812 (SvPVX(name))[0] = '@';
813 break;
814 case SVt_PVHV:
815 (SvPVX(name))[0] = '%';
816 break;
817 case SVt_PVCV:
818 (SvPVX(name))[0] = '*';
819 break;
820 default:
821 (SvPVX(name))[0] = '$';
822 break;
823 }
824 }
825 else
826 (SvPVX(name))[0] = '$';
827 }
828 else if ((SvPVX(name))[0] != '$')
829 sv_insert(name, 0, 0, "$", 1);
830 }
831 else {
832 STRLEN nchars = 0;
833 sv_setpvn(name, "$", 1);
834 sv_catsv(name, varname);
faccc32b 835 (void) sprintf(tmpbuf, "%"IVdf, (IV)(i+1));
823edd99 836 nchars = strlen(tmpbuf);
837 sv_catpvn(name, tmpbuf, nchars);
838 }
839
840 if (indent >= 2) {
cea2e8a9 841 SV *tmpsv = sv_x(aTHX_ Nullsv, " ", 1, SvCUR(name)+3);
823edd99 842 newapad = newSVsv(apad);
843 sv_catsv(newapad, tmpsv);
844 SvREFCNT_dec(tmpsv);
845 }
846 else
847 newapad = apad;
848
cea2e8a9 849 DD_dump(aTHX_ val, SvPVX(name), SvCUR(name), valstr, seenhv,
823edd99 850 postav, &level, indent, pad, xpad, newapad, sep,
851 freezer, toaster, purity, deepcopy, quotekeys,
a2126434 852 bless, maxdepth);
823edd99 853
854 if (indent >= 2)
855 SvREFCNT_dec(newapad);
856
857 postlen = av_len(postav);
858 if (postlen >= 0 || !terse) {
859 sv_insert(valstr, 0, 0, " = ", 3);
860 sv_insert(valstr, 0, 0, SvPVX(name), SvCUR(name));
861 sv_catpvn(valstr, ";", 1);
862 }
863 sv_catsv(retval, pad);
864 sv_catsv(retval, valstr);
865 sv_catsv(retval, sep);
866 if (postlen >= 0) {
867 I32 i;
868 sv_catsv(retval, pad);
869 for (i = 0; i <= postlen; ++i) {
870 SV *elem;
871 svp = av_fetch(postav, i, FALSE);
872 if (svp && (elem = *svp)) {
873 sv_catsv(retval, elem);
874 if (i < postlen) {
875 sv_catpvn(retval, ";", 1);
876 sv_catsv(retval, sep);
877 sv_catsv(retval, pad);
878 }
879 }
880 }
881 sv_catpvn(retval, ";", 1);
882 sv_catsv(retval, sep);
883 }
884 sv_setpvn(valstr, "", 0);
885 if (gimme == G_ARRAY) {
886 XPUSHs(sv_2mortal(retval));
887 if (i < imax) /* not the last time thro ? */
7820172a 888 retval = newSVpvn("",0);
823edd99 889 }
890 }
891 SvREFCNT_dec(postav);
892 SvREFCNT_dec(valstr);
893 }
894 else
895 croak("Call to new() method failed to return HASH ref");
896 if (gimme == G_SCALAR)
897 XPUSHs(sv_2mortal(retval));
898 }
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