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Integrate mainline + lib/open.t patch from Chromatic
[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);
6cde4e94 25static I32 esc_q_utf8 (pTHX_ SV *sv, char *src, STRLEN slen);
cea2e8a9 26static SV *sv_x (pTHX_ SV *sv, char *str, STRLEN len, I32 n);
27static I32 DD_dump (pTHX_ SV *val, char *name, STRLEN namelen, SV *retval,
20ce7b12 28 HV *seenhv, AV *postav, I32 *levelp, I32 indent,
29 SV *pad, SV *xpad, SV *apad, SV *sep,
30 SV *freezer, SV *toaster,
a2126434 31 I32 purity, I32 deepcopy, I32 quotekeys, SV *bless,
e9105f86 32 I32 maxdepth, SV *sortkeys);
823edd99 33
34/* does a string need to be protected? */
35static I32
36needs_quote(register char *s)
37{
38TOP:
39 if (s[0] == ':') {
40 if (*++s) {
41 if (*s++ != ':')
42 return 1;
43 }
44 else
45 return 1;
46 }
47 if (isIDFIRST(*s)) {
48 while (*++s)
7b0972df 49 if (!isALNUM(*s)) {
823edd99 50 if (*s == ':')
51 goto TOP;
52 else
53 return 1;
7b0972df 54 }
823edd99 55 }
6cde4e94 56 else
823edd99 57 return 1;
58 return 0;
59}
60
61/* count the number of "'"s and "\"s in string */
62static I32
6c1ab3c2 63num_q(register char *s, register STRLEN slen)
823edd99 64{
65 register I32 ret = 0;
6c1ab3c2 66
67 while (slen > 0) {
823edd99 68 if (*s == '\'' || *s == '\\')
69 ++ret;
70 ++s;
6c1ab3c2 71 --slen;
823edd99 72 }
73 return ret;
74}
75
76
77/* returns number of chars added to escape "'"s and "\"s in s */
78/* slen number of characters in s will be escaped */
79/* destination must be long enough for additional chars */
80static I32
81esc_q(register char *d, register char *s, register STRLEN slen)
82{
83 register I32 ret = 0;
6cde4e94 84
823edd99 85 while (slen > 0) {
86 switch (*s) {
87 case '\'':
88 case '\\':
89 *d = '\\';
90 ++d; ++ret;
91 default:
92 *d = *s;
93 ++d; ++s; --slen;
94 break;
95 }
96 }
97 return ret;
98}
99
dc71dc59 100static I32
6cde4e94 101esc_q_utf8(pTHX_ SV* sv, register char *src, register STRLEN slen)
dc71dc59 102{
103 char *s, *send, *r;
104 STRLEN grow = 0, j = 1, l;
105 bool dquote = FALSE;
6cde4e94 106
dc71dc59 107 /* this will need EBCDICification */
108 for (s = src, send = src + slen; s < send; s += UTF8SKIP(s)) {
109 UV k = utf8_to_uvchr((U8*)s, &l);
6cde4e94 110
dc71dc59 111 grow +=
112 (*s == '"' || *s == '\\') ? 2 :
113 (k < 0x80 ? 1 : UNISKIP(k) + 1 + 4); /* 4: \x{} */
114 }
115 sv_grow(sv, SvCUR(sv)+3+grow); /* 3: ""\0 */
116 r = SvPVX(sv) + SvCUR(sv);
117
118 for (s = src; s < send; s += UTF8SKIP(s)) {
119 UV k = utf8_to_uvchr((U8*)s, &l);
120
121 if (*s == '"' || *s == '\\') {
122 r[j++] = '\\';
123 r[j++] = *s;
124 }
125 else if (k < 0x80)
126 r[j++] = k;
127 else {
128 r[j++] = '\\';
129 r[j++] = 'x';
130 r[j++] = '{';
29b291f7 131 j += sprintf(r + j, "%"UVxf, k);
dc71dc59 132 r[j++] = '}';
133 dquote = TRUE;
134 }
135 }
136 if (dquote)
137 r[0] = r[j++] = '"';
138 else
139 r[0] = r[j++] = '\'';
f397e026 140 r[j] = '\0';
dc71dc59 141 SvCUR_set(sv, SvCUR(sv) + j);
142
143 return j;
144}
145
823edd99 146/* append a repeated string to an SV */
147static SV *
cea2e8a9 148sv_x(pTHX_ SV *sv, register char *str, STRLEN len, I32 n)
823edd99 149{
150 if (sv == Nullsv)
7820172a 151 sv = newSVpvn("", 0);
823edd99 152 else
153 assert(SvTYPE(sv) >= SVt_PV);
154
155 if (n > 0) {
156 SvGROW(sv, len*n + SvCUR(sv) + 1);
157 if (len == 1) {
158 char *start = SvPVX(sv) + SvCUR(sv);
159 SvCUR(sv) += n;
160 start[n] = '\0';
161 while (n > 0)
162 start[--n] = str[0];
163 }
164 else
165 while (n > 0) {
166 sv_catpvn(sv, str, len);
167 --n;
168 }
169 }
170 return sv;
171}
172
173/*
174 * This ought to be split into smaller functions. (it is one long function since
175 * it exactly parallels the perl version, which was one long thing for
176 * efficiency raisins.) Ugggh!
177 */
178static I32
cea2e8a9 179DD_dump(pTHX_ SV *val, char *name, STRLEN namelen, SV *retval, HV *seenhv,
823edd99 180 AV *postav, I32 *levelp, I32 indent, SV *pad, SV *xpad,
181 SV *apad, SV *sep, SV *freezer, SV *toaster, I32 purity,
e9105f86 182 I32 deepcopy, I32 quotekeys, SV *bless, I32 maxdepth, SV *sortkeys)
823edd99 183{
184 char tmpbuf[128];
185 U32 i;
186 char *c, *r, *realpack, id[128];
187 SV **svp;
7820172a 188 SV *sv, *ipad, *ival;
823edd99 189 SV *blesspad = Nullsv;
7820172a 190 AV *seenentry = Nullav;
823edd99 191 char *iname;
192 STRLEN inamelen, idlen = 0;
823edd99 193 U32 realtype;
194
195 if (!val)
196 return 0;
197
823edd99 198 realtype = SvTYPE(val);
6cde4e94 199
823edd99 200 if (SvGMAGICAL(val))
201 mg_get(val);
823edd99 202 if (SvROK(val)) {
203
204 if (SvOBJECT(SvRV(val)) && freezer &&
205 SvPOK(freezer) && SvCUR(freezer))
206 {
207 dSP; ENTER; SAVETMPS; PUSHMARK(sp);
208 XPUSHs(val); PUTBACK;
209 i = perl_call_method(SvPVX(freezer), G_EVAL|G_SCALAR);
210 SPAGAIN;
7820172a 211 if (SvTRUE(ERRSV))
823edd99 212 warn("WARNING(Freezer method call failed): %s",
7820172a 213 SvPVX(ERRSV));
823edd99 214 else if (i)
215 val = newSVsv(POPs);
216 PUTBACK; FREETMPS; LEAVE;
217 if (i)
218 (void)sv_2mortal(val);
219 }
220
221 ival = SvRV(val);
823edd99 222 realtype = SvTYPE(ival);
223 (void) sprintf(id, "0x%lx", (unsigned long)ival);
224 idlen = strlen(id);
225 if (SvOBJECT(ival))
226 realpack = HvNAME(SvSTASH(ival));
227 else
228 realpack = Nullch;
7820172a 229
230 /* if it has a name, we need to either look it up, or keep a tab
231 * on it so we know when we hit it later
232 */
233 if (namelen) {
234 if ((svp = hv_fetch(seenhv, id, idlen, FALSE))
235 && (sv = *svp) && SvROK(sv) && (seenentry = (AV*)SvRV(sv)))
236 {
237 SV *othername;
238 if ((svp = av_fetch(seenentry, 0, FALSE))
239 && (othername = *svp))
240 {
241 if (purity && *levelp > 0) {
242 SV *postentry;
243
244 if (realtype == SVt_PVHV)
245 sv_catpvn(retval, "{}", 2);
246 else if (realtype == SVt_PVAV)
247 sv_catpvn(retval, "[]", 2);
248 else
5df59fb6 249 sv_catpvn(retval, "do{my $o}", 9);
7820172a 250 postentry = newSVpvn(name, namelen);
251 sv_catpvn(postentry, " = ", 3);
252 sv_catsv(postentry, othername);
253 av_push(postav, postentry);
254 }
255 else {
256 if (name[0] == '@' || name[0] == '%') {
257 if ((SvPVX(othername))[0] == '\\' &&
258 (SvPVX(othername))[1] == name[0]) {
259 sv_catpvn(retval, SvPVX(othername)+1,
260 SvCUR(othername)-1);
261 }
262 else {
263 sv_catpvn(retval, name, 1);
264 sv_catpvn(retval, "{", 1);
265 sv_catsv(retval, othername);
266 sv_catpvn(retval, "}", 1);
267 }
823edd99 268 }
7820172a 269 else
823edd99 270 sv_catsv(retval, othername);
823edd99 271 }
7820172a 272 return 1;
273 }
274 else {
275 warn("ref name not found for %s", id);
276 return 0;
823edd99 277 }
823edd99 278 }
7820172a 279 else { /* store our name and continue */
280 SV *namesv;
281 if (name[0] == '@' || name[0] == '%') {
282 namesv = newSVpvn("\\", 1);
283 sv_catpvn(namesv, name, namelen);
284 }
285 else if (realtype == SVt_PVCV && name[0] == '*') {
286 namesv = newSVpvn("\\", 2);
287 sv_catpvn(namesv, name, namelen);
288 (SvPVX(namesv))[1] = '&';
289 }
290 else
291 namesv = newSVpvn(name, namelen);
292 seenentry = newAV();
293 av_push(seenentry, namesv);
294 (void)SvREFCNT_inc(val);
295 av_push(seenentry, val);
296 (void)hv_store(seenhv, id, strlen(id),
297 newRV((SV*)seenentry), 0);
298 SvREFCNT_dec(seenentry);
823edd99 299 }
823edd99 300 }
823edd99 301
a2126434 302 if (realpack && *realpack == 'R' && strEQ(realpack, "Regexp")) {
303 STRLEN rlen;
304 char *rval = SvPV(val, rlen);
305 char *slash = strchr(rval, '/');
306 sv_catpvn(retval, "qr/", 3);
307 while (slash) {
308 sv_catpvn(retval, rval, slash-rval);
309 sv_catpvn(retval, "\\/", 2);
310 rlen -= slash-rval+1;
311 rval = slash+1;
312 slash = strchr(rval, '/');
7894fbab 313 }
a2126434 314 sv_catpvn(retval, rval, rlen);
315 sv_catpvn(retval, "/", 1);
316 return 1;
317 }
318
319 /* If purity is not set and maxdepth is set, then check depth:
320 * if we have reached maximum depth, return the string
321 * representation of the thing we are currently examining
6cde4e94 322 * at this depth (i.e., 'Foo=ARRAY(0xdeadbeef)').
a2126434 323 */
324 if (!purity && maxdepth > 0 && *levelp >= maxdepth) {
325 STRLEN vallen;
326 char *valstr = SvPV(val,vallen);
327 sv_catpvn(retval, "'", 1);
328 sv_catpvn(retval, valstr, vallen);
329 sv_catpvn(retval, "'", 1);
330 return 1;
331 }
332
333 if (realpack) { /* we have a blessed ref */
334 STRLEN blesslen;
335 char *blessstr = SvPV(bless, blesslen);
336 sv_catpvn(retval, blessstr, blesslen);
337 sv_catpvn(retval, "( ", 2);
338 if (indent >= 2) {
339 blesspad = apad;
340 apad = newSVsv(apad);
341 sv_x(aTHX_ apad, " ", 1, blesslen+2);
823edd99 342 }
343 }
344
7894fbab 345 (*levelp)++;
346 ipad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), *levelp);
347
7820172a 348 if (realtype <= SVt_PVBM) { /* scalar ref */
349 SV *namesv = newSVpvn("${", 2);
350 sv_catpvn(namesv, name, namelen);
351 sv_catpvn(namesv, "}", 1);
6cde4e94 352 if (realpack) { /* blessed */
823edd99 353 sv_catpvn(retval, "do{\\(my $o = ", 13);
cea2e8a9 354 DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
7820172a 355 postav, levelp, indent, pad, xpad, apad, sep,
a2126434 356 freezer, toaster, purity, deepcopy, quotekeys, bless,
e9105f86 357 maxdepth, sortkeys);
823edd99 358 sv_catpvn(retval, ")}", 2);
7820172a 359 } /* plain */
823edd99 360 else {
361 sv_catpvn(retval, "\\", 1);
cea2e8a9 362 DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
7820172a 363 postav, levelp, indent, pad, xpad, apad, sep,
a2126434 364 freezer, toaster, purity, deepcopy, quotekeys, bless,
e9105f86 365 maxdepth, sortkeys);
823edd99 366 }
7820172a 367 SvREFCNT_dec(namesv);
368 }
369 else if (realtype == SVt_PVGV) { /* glob ref */
370 SV *namesv = newSVpvn("*{", 2);
371 sv_catpvn(namesv, name, namelen);
372 sv_catpvn(namesv, "}", 1);
373 sv_catpvn(retval, "\\", 1);
cea2e8a9 374 DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
7820172a 375 postav, levelp, indent, pad, xpad, apad, sep,
a2126434 376 freezer, toaster, purity, deepcopy, quotekeys, bless,
e9105f86 377 maxdepth, sortkeys);
7820172a 378 SvREFCNT_dec(namesv);
823edd99 379 }
380 else if (realtype == SVt_PVAV) {
381 SV *totpad;
382 I32 ix = 0;
383 I32 ixmax = av_len((AV *)ival);
6cde4e94 384
823edd99 385 SV *ixsv = newSViv(0);
386 /* allowing for a 24 char wide array index */
387 New(0, iname, namelen+28, char);
388 (void)strcpy(iname, name);
389 inamelen = namelen;
390 if (name[0] == '@') {
391 sv_catpvn(retval, "(", 1);
392 iname[0] = '$';
393 }
394 else {
395 sv_catpvn(retval, "[", 1);
7820172a 396 /* omit "->" in $foo{bar}->[0], but not in ${$foo}->[0] */
397 /*if (namelen > 0
398 && name[namelen-1] != ']' && name[namelen-1] != '}'
399 && (namelen < 4 || (name[1] != '{' && name[2] != '{')))*/
400 if ((namelen > 0
401 && name[namelen-1] != ']' && name[namelen-1] != '}')
402 || (namelen > 4
403 && (name[1] == '{'
404 || (name[0] == '\\' && name[2] == '{'))))
405 {
823edd99 406 iname[inamelen++] = '-'; iname[inamelen++] = '>';
407 iname[inamelen] = '\0';
408 }
409 }
410 if (iname[0] == '*' && iname[inamelen-1] == '}' && inamelen >= 8 &&
411 (instr(iname+inamelen-8, "{SCALAR}") ||
412 instr(iname+inamelen-7, "{ARRAY}") ||
413 instr(iname+inamelen-6, "{HASH}"))) {
414 iname[inamelen++] = '-'; iname[inamelen++] = '>';
415 }
416 iname[inamelen++] = '['; iname[inamelen] = '\0';
417 totpad = newSVsv(sep);
418 sv_catsv(totpad, pad);
419 sv_catsv(totpad, apad);
420
421 for (ix = 0; ix <= ixmax; ++ix) {
422 STRLEN ilen;
423 SV *elem;
424 svp = av_fetch((AV*)ival, ix, FALSE);
425 if (svp)
426 elem = *svp;
427 else
3280af22 428 elem = &PL_sv_undef;
823edd99 429
430 ilen = inamelen;
431 sv_setiv(ixsv, ix);
7b0972df 432 (void) sprintf(iname+ilen, "%"IVdf, (IV)ix);
823edd99 433 ilen = strlen(iname);
434 iname[ilen++] = ']'; iname[ilen] = '\0';
435 if (indent >= 3) {
436 sv_catsv(retval, totpad);
437 sv_catsv(retval, ipad);
438 sv_catpvn(retval, "#", 1);
439 sv_catsv(retval, ixsv);
440 }
441 sv_catsv(retval, totpad);
442 sv_catsv(retval, ipad);
cea2e8a9 443 DD_dump(aTHX_ elem, iname, ilen, retval, seenhv, postav,
823edd99 444 levelp, indent, pad, xpad, apad, sep,
a2126434 445 freezer, toaster, purity, deepcopy, quotekeys, bless,
e9105f86 446 maxdepth, sortkeys);
823edd99 447 if (ix < ixmax)
448 sv_catpvn(retval, ",", 1);
449 }
450 if (ixmax >= 0) {
cea2e8a9 451 SV *opad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), (*levelp)-1);
823edd99 452 sv_catsv(retval, totpad);
453 sv_catsv(retval, opad);
454 SvREFCNT_dec(opad);
455 }
456 if (name[0] == '@')
457 sv_catpvn(retval, ")", 1);
458 else
459 sv_catpvn(retval, "]", 1);
460 SvREFCNT_dec(ixsv);
461 SvREFCNT_dec(totpad);
462 Safefree(iname);
463 }
464 else if (realtype == SVt_PVHV) {
465 SV *totpad, *newapad;
466 SV *iname, *sname;
467 HE *entry;
468 char *key;
469 I32 klen;
470 SV *hval;
e9105f86 471 AV *keys = Nullav;
6cde4e94 472
7820172a 473 iname = newSVpvn(name, namelen);
823edd99 474 if (name[0] == '%') {
475 sv_catpvn(retval, "(", 1);
476 (SvPVX(iname))[0] = '$';
477 }
478 else {
479 sv_catpvn(retval, "{", 1);
7820172a 480 /* omit "->" in $foo[0]->{bar}, but not in ${$foo}->{bar} */
481 if ((namelen > 0
482 && name[namelen-1] != ']' && name[namelen-1] != '}')
483 || (namelen > 4
484 && (name[1] == '{'
485 || (name[0] == '\\' && name[2] == '{'))))
486 {
823edd99 487 sv_catpvn(iname, "->", 2);
488 }
489 }
490 if (name[0] == '*' && name[namelen-1] == '}' && namelen >= 8 &&
491 (instr(name+namelen-8, "{SCALAR}") ||
492 instr(name+namelen-7, "{ARRAY}") ||
493 instr(name+namelen-6, "{HASH}"))) {
494 sv_catpvn(iname, "->", 2);
495 }
496 sv_catpvn(iname, "{", 1);
497 totpad = newSVsv(sep);
498 sv_catsv(totpad, pad);
499 sv_catsv(totpad, apad);
6cde4e94 500
e9105f86 501 /* If requested, get a sorted/filtered array of hash keys */
502 if (sortkeys) {
503 if (sortkeys == &PL_sv_yes) {
504 keys = newAV();
505 (void)hv_iterinit((HV*)ival);
506 while (entry = hv_iternext((HV*)ival)) {
507 sv = hv_iterkeysv(entry);
508 SvREFCNT_inc(sv);
509 av_push(keys, sv);
510 }
511 sortsv(AvARRAY(keys),
512 av_len(keys)+1,
513 Perl_sv_cmp_locale);
514 }
515 else {
516 dSP; ENTER; SAVETMPS; PUSHMARK(sp);
517 XPUSHs(sv_2mortal(newRV_inc(ival))); PUTBACK;
518 i = perl_call_sv(sortkeys, G_SCALAR | G_EVAL);
519 SPAGAIN;
520 if (i) {
521 sv = POPs;
522 if (SvROK(sv) && (SvTYPE(SvRV(sv)) == SVt_PVAV))
523 keys = (AV*)SvREFCNT_inc(SvRV(sv));
524 }
525 if (! keys)
526 warn("Sortkeys subroutine did not return ARRAYREF\n");
527 PUTBACK; FREETMPS; LEAVE;
528 }
529 if (keys)
530 sv_2mortal((SV*)keys);
531 }
532 else
533 (void)hv_iterinit((HV*)ival);
823edd99 534 i = 0;
e9105f86 535 while (sortkeys ? (void*)(keys && (i <= av_len(keys))) :
536 (void*)((entry = hv_iternext((HV*)ival))) ) {
dc71dc59 537 char *nkey = NULL;
823edd99 538 I32 nticks = 0;
dc71dc59 539 SV* keysv;
540 STRLEN keylen;
541 bool do_utf8 = FALSE;
823edd99 542
543 if (i)
544 sv_catpvn(retval, ",", 1);
e9105f86 545
546 if (sortkeys) {
547 char *key;
548 svp = av_fetch(keys, i, FALSE);
549 keysv = svp ? *svp : sv_mortalcopy(&PL_sv_undef);
550 key = SvPV(keysv, keylen);
551 svp = hv_fetch((HV*)ival, key, keylen, 0);
552 hval = svp ? *svp : sv_mortalcopy(&PL_sv_undef);
553 }
554 else {
555 keysv = hv_iterkeysv(entry);
556 hval = hv_iterval((HV*)ival, entry);
557 }
558
823edd99 559 i++;
dc71dc59 560
561 do_utf8 = DO_UTF8(keysv);
562 key = SvPV(keysv, keylen);
563 klen = keylen;
564
565 if (do_utf8) {
566 char *okey = SvPVX(retval) + SvCUR(retval);
567 I32 nlen;
568
569 sv_catsv(retval, totpad);
570 sv_catsv(retval, ipad);
6cde4e94 571 nlen = esc_q_utf8(aTHX_ retval, key, klen);
dc71dc59 572
573 sname = newSVsv(iname);
574 sv_catpvn(sname, okey, nlen);
575 sv_catpvn(sname, "}", 1);
823edd99 576 }
577 else {
dc71dc59 578 if (quotekeys || needs_quote(key)) {
579 nticks = num_q(key, klen);
580 New(0, nkey, klen+nticks+3, char);
581 nkey[0] = '\'';
582 if (nticks)
583 klen += esc_q(nkey+1, key, klen);
584 else
585 (void)Copy(key, nkey+1, klen, char);
586 nkey[++klen] = '\'';
587 nkey[++klen] = '\0';
588 }
589 else {
590 New(0, nkey, klen, char);
591 (void)Copy(key, nkey, klen, char);
592 }
823edd99 593
dc71dc59 594 sname = newSVsv(iname);
595 sv_catpvn(sname, nkey, klen);
596 sv_catpvn(sname, "}", 1);
597
598 sv_catsv(retval, totpad);
599 sv_catsv(retval, ipad);
600 sv_catpvn(retval, nkey, klen);
601 }
823edd99 602 sv_catpvn(retval, " => ", 4);
603 if (indent >= 2) {
604 char *extra;
605 I32 elen = 0;
606 newapad = newSVsv(apad);
607 New(0, extra, klen+4+1, char);
608 while (elen < (klen+4))
609 extra[elen++] = ' ';
610 extra[elen] = '\0';
611 sv_catpvn(newapad, extra, elen);
612 Safefree(extra);
613 }
614 else
615 newapad = apad;
616
cea2e8a9 617 DD_dump(aTHX_ hval, SvPVX(sname), SvCUR(sname), retval, seenhv,
823edd99 618 postav, levelp, indent, pad, xpad, newapad, sep,
a2126434 619 freezer, toaster, purity, deepcopy, quotekeys, bless,
e9105f86 620 maxdepth, sortkeys);
823edd99 621 SvREFCNT_dec(sname);
622 Safefree(nkey);
623 if (indent >= 2)
624 SvREFCNT_dec(newapad);
625 }
626 if (i) {
cea2e8a9 627 SV *opad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), *levelp-1);
823edd99 628 sv_catsv(retval, totpad);
629 sv_catsv(retval, opad);
630 SvREFCNT_dec(opad);
631 }
632 if (name[0] == '%')
633 sv_catpvn(retval, ")", 1);
634 else
635 sv_catpvn(retval, "}", 1);
636 SvREFCNT_dec(iname);
637 SvREFCNT_dec(totpad);
638 }
639 else if (realtype == SVt_PVCV) {
640 sv_catpvn(retval, "sub { \"DUMMY\" }", 15);
641 if (purity)
642 warn("Encountered CODE ref, using dummy placeholder");
643 }
644 else {
645 warn("cannot handle ref type %ld", realtype);
646 }
647
648 if (realpack) { /* free blessed allocs */
649 if (indent >= 2) {
650 SvREFCNT_dec(apad);
651 apad = blesspad;
652 }
653 sv_catpvn(retval, ", '", 3);
654 sv_catpvn(retval, realpack, strlen(realpack));
655 sv_catpvn(retval, "' )", 3);
656 if (toaster && SvPOK(toaster) && SvCUR(toaster)) {
657 sv_catpvn(retval, "->", 2);
658 sv_catsv(retval, toaster);
659 sv_catpvn(retval, "()", 2);
660 }
661 }
662 SvREFCNT_dec(ipad);
663 (*levelp)--;
664 }
665 else {
666 STRLEN i;
667
668 if (namelen) {
669 (void) sprintf(id, "0x%lx", (unsigned long)val);
670 if ((svp = hv_fetch(seenhv, id, (idlen = strlen(id)), FALSE)) &&
671 (sv = *svp) && SvROK(sv) &&
7820172a 672 (seenentry = (AV*)SvRV(sv)))
673 {
823edd99 674 SV *othername;
7820172a 675 if ((svp = av_fetch(seenentry, 0, FALSE)) && (othername = *svp)
676 && (svp = av_fetch(seenentry, 2, FALSE)) && *svp && SvIV(*svp) > 0)
677 {
678 sv_catpvn(retval, "${", 2);
823edd99 679 sv_catsv(retval, othername);
7820172a 680 sv_catpvn(retval, "}", 1);
823edd99 681 return 1;
682 }
683 }
684 else {
685 SV *namesv;
7820172a 686 namesv = newSVpvn("\\", 1);
823edd99 687 sv_catpvn(namesv, name, namelen);
688 seenentry = newAV();
689 av_push(seenentry, namesv);
7820172a 690 av_push(seenentry, newRV(val));
823edd99 691 (void)hv_store(seenhv, id, strlen(id), newRV((SV*)seenentry), 0);
692 SvREFCNT_dec(seenentry);
693 }
694 }
7820172a 695
823edd99 696 if (SvIOK(val)) {
697 STRLEN len;
0e8b3009 698 if (SvIsUV(val))
5e8f63cb 699 (void) sprintf(tmpbuf, "%"UVuf, SvUV(val));
0e8b3009 700 else
701 (void) sprintf(tmpbuf, "%"IVdf, SvIV(val));
823edd99 702 len = strlen(tmpbuf);
703 sv_catpvn(retval, tmpbuf, len);
823edd99 704 }
705 else if (realtype == SVt_PVGV) {/* GLOBs can end up with scribbly names */
706 c = SvPV(val, i);
707 ++c; --i; /* just get the name */
708 if (i >= 6 && strncmp(c, "main::", 6) == 0) {
709 c += 4;
710 i -= 4;
711 }
712 if (needs_quote(c)) {
713 sv_grow(retval, SvCUR(retval)+6+2*i);
714 r = SvPVX(retval)+SvCUR(retval);
715 r[0] = '*'; r[1] = '{'; r[2] = '\'';
716 i += esc_q(r+3, c, i);
717 i += 3;
718 r[i++] = '\''; r[i++] = '}';
719 r[i] = '\0';
720 }
721 else {
722 sv_grow(retval, SvCUR(retval)+i+2);
723 r = SvPVX(retval)+SvCUR(retval);
724 r[0] = '*'; strcpy(r+1, c);
725 i++;
726 }
7820172a 727 SvCUR_set(retval, SvCUR(retval)+i);
823edd99 728
729 if (purity) {
730 static char *entries[] = { "{SCALAR}", "{ARRAY}", "{HASH}" };
731 static STRLEN sizes[] = { 8, 7, 6 };
732 SV *e;
7820172a 733 SV *nname = newSVpvn("", 0);
734 SV *newapad = newSVpvn("", 0);
823edd99 735 GV *gv = (GV*)val;
736 I32 j;
737
738 for (j=0; j<3; j++) {
739 e = ((j == 0) ? GvSV(gv) : (j == 1) ? (SV*)GvAV(gv) : (SV*)GvHV(gv));
7820172a 740 if (!e)
741 continue;
742 if (j == 0 && !SvOK(e))
743 continue;
744
745 {
823edd99 746 I32 nlevel = 0;
7820172a 747 SV *postentry = newSVpvn(r,i);
823edd99 748
749 sv_setsv(nname, postentry);
750 sv_catpvn(nname, entries[j], sizes[j]);
751 sv_catpvn(postentry, " = ", 3);
752 av_push(postav, postentry);
753 e = newRV(e);
754
755 SvCUR(newapad) = 0;
756 if (indent >= 2)
cea2e8a9 757 (void)sv_x(aTHX_ newapad, " ", 1, SvCUR(postentry));
823edd99 758
cea2e8a9 759 DD_dump(aTHX_ e, SvPVX(nname), SvCUR(nname), postentry,
823edd99 760 seenhv, postav, &nlevel, indent, pad, xpad,
761 newapad, sep, freezer, toaster, purity,
e9105f86 762 deepcopy, quotekeys, bless, maxdepth,
763 sortkeys);
823edd99 764 SvREFCNT_dec(e);
765 }
766 }
767
768 SvREFCNT_dec(newapad);
769 SvREFCNT_dec(nname);
770 }
771 }
7820172a 772 else if (val == &PL_sv_undef || !SvOK(val)) {
773 sv_catpvn(retval, "undef", 5);
774 }
823edd99 775 else {
776 c = SvPV(val, i);
dc71dc59 777 if (DO_UTF8(val))
6cde4e94 778 i += esc_q_utf8(aTHX_ retval, c, i);
dc71dc59 779 else {
780 sv_grow(retval, SvCUR(retval)+3+2*i); /* 3: ""\0 */
781 r = SvPVX(retval) + SvCUR(retval);
782 r[0] = '\'';
783 i += esc_q(r+1, c, i);
784 ++i;
785 r[i++] = '\'';
786 r[i] = '\0';
787 SvCUR_set(retval, SvCUR(retval)+i);
788 }
823edd99 789 }
823edd99 790 }
791
7820172a 792 if (idlen) {
793 if (deepcopy)
794 (void)hv_delete(seenhv, id, idlen, G_DISCARD);
795 else if (namelen && seenentry) {
796 SV *mark = *av_fetch(seenentry, 2, TRUE);
797 sv_setiv(mark,1);
798 }
799 }
823edd99 800 return 1;
801}
802
803
804MODULE = Data::Dumper PACKAGE = Data::Dumper PREFIX = Data_Dumper_
805
806#
807# This is the exact equivalent of Dump. Well, almost. The things that are
808# different as of now (due to Laziness):
809# * doesnt do double-quotes yet.
810#
811
812void
813Data_Dumper_Dumpxs(href, ...)
814 SV *href;
815 PROTOTYPE: $;$$
816 PPCODE:
817 {
818 HV *hv;
819 SV *retval, *valstr;
820 HV *seenhv = Nullhv;
821 AV *postav, *todumpav, *namesav;
822 I32 level = 0;
497b47a8 823 I32 indent, terse, i, imax, postlen;
823edd99 824 SV **svp;
497b47a8 825 SV *val, *name, *pad, *xpad, *apad, *sep, *varname;
e9105f86 826 SV *freezer, *toaster, *bless, *sortkeys;
7b0972df 827 I32 purity, deepcopy, quotekeys, maxdepth = 0;
823edd99 828 char tmpbuf[1024];
829 I32 gimme = GIMME;
830
831 if (!SvROK(href)) { /* call new to get an object first */
0f1923bd 832 if (items < 2)
833 croak("Usage: Data::Dumper::Dumpxs(PACKAGE, VAL_ARY_REF, [NAME_ARY_REF])");
823edd99 834
835 ENTER;
836 SAVETMPS;
837
838 PUSHMARK(sp);
839 XPUSHs(href);
0f1923bd 840 XPUSHs(sv_2mortal(newSVsv(ST(1))));
841 if (items >= 3)
842 XPUSHs(sv_2mortal(newSVsv(ST(2))));
823edd99 843 PUTBACK;
844 i = perl_call_method("new", G_SCALAR);
845 SPAGAIN;
846 if (i)
847 href = newSVsv(POPs);
848
849 PUTBACK;
850 FREETMPS;
851 LEAVE;
852 if (i)
853 (void)sv_2mortal(href);
854 }
855
856 todumpav = namesav = Nullav;
857 seenhv = Nullhv;
497b47a8 858 val = pad = xpad = apad = sep = varname
3280af22 859 = freezer = toaster = bless = &PL_sv_undef;
823edd99 860 name = sv_newmortal();
861 indent = 2;
497b47a8 862 terse = purity = deepcopy = 0;
823edd99 863 quotekeys = 1;
6cde4e94 864
7820172a 865 retval = newSVpvn("", 0);
823edd99 866 if (SvROK(href)
867 && (hv = (HV*)SvRV((SV*)href))
868 && SvTYPE(hv) == SVt_PVHV) {
869
870 if ((svp = hv_fetch(hv, "seen", 4, FALSE)) && SvROK(*svp))
871 seenhv = (HV*)SvRV(*svp);
872 if ((svp = hv_fetch(hv, "todump", 6, FALSE)) && SvROK(*svp))
873 todumpav = (AV*)SvRV(*svp);
874 if ((svp = hv_fetch(hv, "names", 5, FALSE)) && SvROK(*svp))
875 namesav = (AV*)SvRV(*svp);
876 if ((svp = hv_fetch(hv, "indent", 6, FALSE)))
877 indent = SvIV(*svp);
878 if ((svp = hv_fetch(hv, "purity", 6, FALSE)))
879 purity = SvIV(*svp);
880 if ((svp = hv_fetch(hv, "terse", 5, FALSE)))
881 terse = SvTRUE(*svp);
497b47a8 882#if 0 /* useqq currently unused */
823edd99 883 if ((svp = hv_fetch(hv, "useqq", 5, FALSE)))
884 useqq = SvTRUE(*svp);
497b47a8 885#endif
823edd99 886 if ((svp = hv_fetch(hv, "pad", 3, FALSE)))
887 pad = *svp;
888 if ((svp = hv_fetch(hv, "xpad", 4, FALSE)))
889 xpad = *svp;
890 if ((svp = hv_fetch(hv, "apad", 4, FALSE)))
891 apad = *svp;
892 if ((svp = hv_fetch(hv, "sep", 3, FALSE)))
893 sep = *svp;
894 if ((svp = hv_fetch(hv, "varname", 7, FALSE)))
895 varname = *svp;
896 if ((svp = hv_fetch(hv, "freezer", 7, FALSE)))
897 freezer = *svp;
898 if ((svp = hv_fetch(hv, "toaster", 7, FALSE)))
899 toaster = *svp;
900 if ((svp = hv_fetch(hv, "deepcopy", 8, FALSE)))
901 deepcopy = SvTRUE(*svp);
902 if ((svp = hv_fetch(hv, "quotekeys", 9, FALSE)))
903 quotekeys = SvTRUE(*svp);
904 if ((svp = hv_fetch(hv, "bless", 5, FALSE)))
905 bless = *svp;
a2126434 906 if ((svp = hv_fetch(hv, "maxdepth", 8, FALSE)))
907 maxdepth = SvIV(*svp);
e9105f86 908 if ((svp = hv_fetch(hv, "sortkeys", 8, FALSE))) {
909 sortkeys = *svp;
910 if (! SvTRUE(sortkeys))
911 sortkeys = NULL;
912 else if (! (SvROK(sortkeys) &&
913 SvTYPE(SvRV(sortkeys)) == SVt_PVCV) )
914 {
915 /* flag to use qsortsv() for sorting hash keys */
916 sortkeys = &PL_sv_yes;
917 }
918 }
823edd99 919 postav = newAV();
920
921 if (todumpav)
922 imax = av_len(todumpav);
923 else
924 imax = -1;
7820172a 925 valstr = newSVpvn("",0);
823edd99 926 for (i = 0; i <= imax; ++i) {
927 SV *newapad;
6cde4e94 928
823edd99 929 av_clear(postav);
930 if ((svp = av_fetch(todumpav, i, FALSE)))
931 val = *svp;
932 else
3280af22 933 val = &PL_sv_undef;
823edd99 934 if ((svp = av_fetch(namesav, i, TRUE)))
935 sv_setsv(name, *svp);
936 else
8063af02 937 (void)SvOK_off(name);
6cde4e94 938
823edd99 939 if (SvOK(name)) {
940 if ((SvPVX(name))[0] == '*') {
941 if (SvROK(val)) {
942 switch (SvTYPE(SvRV(val))) {
943 case SVt_PVAV:
944 (SvPVX(name))[0] = '@';
945 break;
946 case SVt_PVHV:
947 (SvPVX(name))[0] = '%';
948 break;
949 case SVt_PVCV:
950 (SvPVX(name))[0] = '*';
951 break;
952 default:
953 (SvPVX(name))[0] = '$';
954 break;
955 }
956 }
957 else
958 (SvPVX(name))[0] = '$';
959 }
960 else if ((SvPVX(name))[0] != '$')
961 sv_insert(name, 0, 0, "$", 1);
962 }
963 else {
964 STRLEN nchars = 0;
965 sv_setpvn(name, "$", 1);
966 sv_catsv(name, varname);
faccc32b 967 (void) sprintf(tmpbuf, "%"IVdf, (IV)(i+1));
823edd99 968 nchars = strlen(tmpbuf);
969 sv_catpvn(name, tmpbuf, nchars);
970 }
6cde4e94 971
823edd99 972 if (indent >= 2) {
cea2e8a9 973 SV *tmpsv = sv_x(aTHX_ Nullsv, " ", 1, SvCUR(name)+3);
823edd99 974 newapad = newSVsv(apad);
975 sv_catsv(newapad, tmpsv);
976 SvREFCNT_dec(tmpsv);
977 }
978 else
979 newapad = apad;
6cde4e94 980
cea2e8a9 981 DD_dump(aTHX_ val, SvPVX(name), SvCUR(name), valstr, seenhv,
823edd99 982 postav, &level, indent, pad, xpad, newapad, sep,
983 freezer, toaster, purity, deepcopy, quotekeys,
e9105f86 984 bless, maxdepth, sortkeys);
6cde4e94 985
823edd99 986 if (indent >= 2)
987 SvREFCNT_dec(newapad);
988
989 postlen = av_len(postav);
990 if (postlen >= 0 || !terse) {
991 sv_insert(valstr, 0, 0, " = ", 3);
992 sv_insert(valstr, 0, 0, SvPVX(name), SvCUR(name));
993 sv_catpvn(valstr, ";", 1);
994 }
995 sv_catsv(retval, pad);
996 sv_catsv(retval, valstr);
997 sv_catsv(retval, sep);
998 if (postlen >= 0) {
999 I32 i;
1000 sv_catsv(retval, pad);
1001 for (i = 0; i <= postlen; ++i) {
1002 SV *elem;
1003 svp = av_fetch(postav, i, FALSE);
1004 if (svp && (elem = *svp)) {
1005 sv_catsv(retval, elem);
1006 if (i < postlen) {
1007 sv_catpvn(retval, ";", 1);
1008 sv_catsv(retval, sep);
1009 sv_catsv(retval, pad);
1010 }
1011 }
1012 }
1013 sv_catpvn(retval, ";", 1);
1014 sv_catsv(retval, sep);
1015 }
1016 sv_setpvn(valstr, "", 0);
1017 if (gimme == G_ARRAY) {
1018 XPUSHs(sv_2mortal(retval));
1019 if (i < imax) /* not the last time thro ? */
7820172a 1020 retval = newSVpvn("",0);
823edd99 1021 }
1022 }
1023 SvREFCNT_dec(postav);
1024 SvREFCNT_dec(valstr);
1025 }
1026 else
1027 croak("Call to new() method failed to return HASH ref");
1028 if (gimme == G_SCALAR)
1029 XPUSHs(sv_2mortal(retval));
1030 }
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