projects / p5sagit/p5-mst-13.2.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | history | HEAD
Re: [PATCH] another Storable test (Re: perl@16005)
[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{
f052740f 103 char *s, *send, *r, *rstart;
104 STRLEN j, cur = SvCUR(sv);
105 /* Could count 128-255 and 256+ in two variables, if we want to
106 be like &qquote and make a distinction. */
107 STRLEN grow = 0; /* bytes needed to represent chars 128+ */
108 /* STRLEN topbit_grow = 0; bytes needed to represent chars 128-255 */
109 STRLEN backslashes = 0;
110 STRLEN single_quotes = 0;
111 STRLEN qq_escapables = 0; /* " $ @ will need a \ in "" strings. */
112 STRLEN normal = 0;
6cde4e94 113
dc71dc59 114 /* this will need EBCDICification */
115 for (s = src, send = src + slen; s < send; s += UTF8SKIP(s)) {
f052740f 116 UV k = utf8_to_uvchr((U8*)s, NULL);
117
118 if (k > 127) {
119 /* 4: \x{} then count the number of hex digits. */
120 grow += 4 + (k <= 0xFF ? 2 : k <= 0xFFF ? 3 : k <= 0xFFFF ? 4 :
121#if UVSIZE == 4
122 8 /* We may allocate a bit more than the minimum here. */
123#else
124 k <= 0xFFFFFFFF ? 8 : UVSIZE * 4
125#endif
126 );
127 } else if (k == '\\') {
128 backslashes++;
129 } else if (k == '\'') {
130 single_quotes++;
131 } else if (k == '"' || k == '$' || k == '@') {
132 qq_escapables++;
133 } else {
134 normal++;
135 }
dc71dc59 136 }
f052740f 137 if (grow) {
138 /* We have something needing hex. 3 is ""\0 */
34231210 139 sv_grow(sv, cur + 3 + grow + 2*backslashes + single_quotes
140 + 2*qq_escapables + normal);
f052740f 141 rstart = r = SvPVX(sv) + cur;
142
143 *r++ = '"';
144
145 for (s = src; s < send; s += UTF8SKIP(s)) {
146 UV k = utf8_to_uvchr((U8*)s, NULL);
147
148 if (k == '"' || k == '\\' || k == '$' || k == '@') {
149 *r++ = '\\';
150 *r++ = k;
151 }
152 else if (k < 0x80)
153 *r++ = k;
154 else {
155 r += sprintf(r, "\\x{%"UVxf"}", k);
156 }
157 }
158 *r++ = '"';
159 } else {
160 /* Single quotes. */
34231210 161 sv_grow(sv, cur + 3 + 2*backslashes + 2*single_quotes
162 + qq_escapables + normal);
f052740f 163 rstart = r = SvPVX(sv) + cur;
164 *r++ = '\'';
165 for (s = src; s < send; s ++) {
166 char k = *s;
167 if (k == '\'' || k == '\\')
168 *r++ = '\\';
169 *r++ = k;
170 }
171 *r++ = '\'';
dc71dc59 172 }
f052740f 173 *r = '\0';
174 j = r - rstart;
175 SvCUR_set(sv, cur + j);
dc71dc59 176
177 return j;
178}
179
823edd99 180/* append a repeated string to an SV */
181static SV *
cea2e8a9 182sv_x(pTHX_ SV *sv, register char *str, STRLEN len, I32 n)
823edd99 183{
184 if (sv == Nullsv)
7820172a 185 sv = newSVpvn("", 0);
823edd99 186 else
187 assert(SvTYPE(sv) >= SVt_PV);
188
189 if (n > 0) {
190 SvGROW(sv, len*n + SvCUR(sv) + 1);
191 if (len == 1) {
192 char *start = SvPVX(sv) + SvCUR(sv);
193 SvCUR(sv) += n;
194 start[n] = '\0';
195 while (n > 0)
196 start[--n] = str[0];
197 }
198 else
199 while (n > 0) {
200 sv_catpvn(sv, str, len);
201 --n;
202 }
203 }
204 return sv;
205}
206
207/*
208 * This ought to be split into smaller functions. (it is one long function since
209 * it exactly parallels the perl version, which was one long thing for
210 * efficiency raisins.) Ugggh!
211 */
212static I32
cea2e8a9 213DD_dump(pTHX_ SV *val, char *name, STRLEN namelen, SV *retval, HV *seenhv,
823edd99 214 AV *postav, I32 *levelp, I32 indent, SV *pad, SV *xpad,
215 SV *apad, SV *sep, SV *freezer, SV *toaster, I32 purity,
e9105f86 216 I32 deepcopy, I32 quotekeys, SV *bless, I32 maxdepth, SV *sortkeys)
823edd99 217{
218 char tmpbuf[128];
219 U32 i;
220 char *c, *r, *realpack, id[128];
221 SV **svp;
7820172a 222 SV *sv, *ipad, *ival;
823edd99 223 SV *blesspad = Nullsv;
7820172a 224 AV *seenentry = Nullav;
823edd99 225 char *iname;
226 STRLEN inamelen, idlen = 0;
823edd99 227 U32 realtype;
228
229 if (!val)
230 return 0;
231
823edd99 232 realtype = SvTYPE(val);
6cde4e94 233
823edd99 234 if (SvGMAGICAL(val))
235 mg_get(val);
823edd99 236 if (SvROK(val)) {
237
238 if (SvOBJECT(SvRV(val)) && freezer &&
239 SvPOK(freezer) && SvCUR(freezer))
240 {
241 dSP; ENTER; SAVETMPS; PUSHMARK(sp);
242 XPUSHs(val); PUTBACK;
243 i = perl_call_method(SvPVX(freezer), G_EVAL|G_SCALAR);
244 SPAGAIN;
7820172a 245 if (SvTRUE(ERRSV))
823edd99 246 warn("WARNING(Freezer method call failed): %s",
7820172a 247 SvPVX(ERRSV));
823edd99 248 else if (i)
249 val = newSVsv(POPs);
250 PUTBACK; FREETMPS; LEAVE;
251 if (i)
252 (void)sv_2mortal(val);
253 }
254
255 ival = SvRV(val);
823edd99 256 realtype = SvTYPE(ival);
c623ac67 257 (void) sprintf(id, "0x%"UVxf, PTR2UV(ival));
823edd99 258 idlen = strlen(id);
259 if (SvOBJECT(ival))
260 realpack = HvNAME(SvSTASH(ival));
261 else
262 realpack = Nullch;
7820172a 263
264 /* if it has a name, we need to either look it up, or keep a tab
265 * on it so we know when we hit it later
266 */
267 if (namelen) {
268 if ((svp = hv_fetch(seenhv, id, idlen, FALSE))
269 && (sv = *svp) && SvROK(sv) && (seenentry = (AV*)SvRV(sv)))
270 {
271 SV *othername;
272 if ((svp = av_fetch(seenentry, 0, FALSE))
273 && (othername = *svp))
274 {
275 if (purity && *levelp > 0) {
276 SV *postentry;
277
278 if (realtype == SVt_PVHV)
279 sv_catpvn(retval, "{}", 2);
280 else if (realtype == SVt_PVAV)
281 sv_catpvn(retval, "[]", 2);
282 else
5df59fb6 283 sv_catpvn(retval, "do{my $o}", 9);
7820172a 284 postentry = newSVpvn(name, namelen);
285 sv_catpvn(postentry, " = ", 3);
286 sv_catsv(postentry, othername);
287 av_push(postav, postentry);
288 }
289 else {
290 if (name[0] == '@' || name[0] == '%') {
291 if ((SvPVX(othername))[0] == '\\' &&
292 (SvPVX(othername))[1] == name[0]) {
293 sv_catpvn(retval, SvPVX(othername)+1,
294 SvCUR(othername)-1);
295 }
296 else {
297 sv_catpvn(retval, name, 1);
298 sv_catpvn(retval, "{", 1);
299 sv_catsv(retval, othername);
300 sv_catpvn(retval, "}", 1);
301 }
823edd99 302 }
7820172a 303 else
823edd99 304 sv_catsv(retval, othername);
823edd99 305 }
7820172a 306 return 1;
307 }
308 else {
309 warn("ref name not found for %s", id);
310 return 0;
823edd99 311 }
823edd99 312 }
7820172a 313 else { /* store our name and continue */
314 SV *namesv;
315 if (name[0] == '@' || name[0] == '%') {
316 namesv = newSVpvn("\\", 1);
317 sv_catpvn(namesv, name, namelen);
318 }
319 else if (realtype == SVt_PVCV && name[0] == '*') {
320 namesv = newSVpvn("\\", 2);
321 sv_catpvn(namesv, name, namelen);
322 (SvPVX(namesv))[1] = '&';
323 }
324 else
325 namesv = newSVpvn(name, namelen);
326 seenentry = newAV();
327 av_push(seenentry, namesv);
328 (void)SvREFCNT_inc(val);
329 av_push(seenentry, val);
330 (void)hv_store(seenhv, id, strlen(id),
331 newRV((SV*)seenentry), 0);
332 SvREFCNT_dec(seenentry);
823edd99 333 }
823edd99 334 }
823edd99 335
a2126434 336 if (realpack && *realpack == 'R' && strEQ(realpack, "Regexp")) {
337 STRLEN rlen;
338 char *rval = SvPV(val, rlen);
339 char *slash = strchr(rval, '/');
340 sv_catpvn(retval, "qr/", 3);
341 while (slash) {
342 sv_catpvn(retval, rval, slash-rval);
343 sv_catpvn(retval, "\\/", 2);
344 rlen -= slash-rval+1;
345 rval = slash+1;
346 slash = strchr(rval, '/');
7894fbab 347 }
a2126434 348 sv_catpvn(retval, rval, rlen);
349 sv_catpvn(retval, "/", 1);
350 return 1;
351 }
352
353 /* If purity is not set and maxdepth is set, then check depth:
354 * if we have reached maximum depth, return the string
355 * representation of the thing we are currently examining
6cde4e94 356 * at this depth (i.e., 'Foo=ARRAY(0xdeadbeef)').
a2126434 357 */
358 if (!purity && maxdepth > 0 && *levelp >= maxdepth) {
359 STRLEN vallen;
360 char *valstr = SvPV(val,vallen);
361 sv_catpvn(retval, "'", 1);
362 sv_catpvn(retval, valstr, vallen);
363 sv_catpvn(retval, "'", 1);
364 return 1;
365 }
366
367 if (realpack) { /* we have a blessed ref */
368 STRLEN blesslen;
369 char *blessstr = SvPV(bless, blesslen);
370 sv_catpvn(retval, blessstr, blesslen);
371 sv_catpvn(retval, "( ", 2);
372 if (indent >= 2) {
373 blesspad = apad;
374 apad = newSVsv(apad);
375 sv_x(aTHX_ apad, " ", 1, blesslen+2);
823edd99 376 }
377 }
378
7894fbab 379 (*levelp)++;
380 ipad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), *levelp);
381
7820172a 382 if (realtype <= SVt_PVBM) { /* scalar ref */
383 SV *namesv = newSVpvn("${", 2);
384 sv_catpvn(namesv, name, namelen);
385 sv_catpvn(namesv, "}", 1);
6cde4e94 386 if (realpack) { /* blessed */
823edd99 387 sv_catpvn(retval, "do{\\(my $o = ", 13);
cea2e8a9 388 DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
7820172a 389 postav, levelp, indent, pad, xpad, apad, sep,
a2126434 390 freezer, toaster, purity, deepcopy, quotekeys, bless,
e9105f86 391 maxdepth, sortkeys);
823edd99 392 sv_catpvn(retval, ")}", 2);
7820172a 393 } /* plain */
823edd99 394 else {
395 sv_catpvn(retval, "\\", 1);
cea2e8a9 396 DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
7820172a 397 postav, levelp, indent, pad, xpad, apad, sep,
a2126434 398 freezer, toaster, purity, deepcopy, quotekeys, bless,
e9105f86 399 maxdepth, sortkeys);
823edd99 400 }
7820172a 401 SvREFCNT_dec(namesv);
402 }
403 else if (realtype == SVt_PVGV) { /* glob ref */
404 SV *namesv = newSVpvn("*{", 2);
405 sv_catpvn(namesv, name, namelen);
406 sv_catpvn(namesv, "}", 1);
407 sv_catpvn(retval, "\\", 1);
cea2e8a9 408 DD_dump(aTHX_ ival, SvPVX(namesv), SvCUR(namesv), retval, seenhv,
7820172a 409 postav, levelp, indent, pad, xpad, apad, sep,
a2126434 410 freezer, toaster, purity, deepcopy, quotekeys, bless,
e9105f86 411 maxdepth, sortkeys);
7820172a 412 SvREFCNT_dec(namesv);
823edd99 413 }
414 else if (realtype == SVt_PVAV) {
415 SV *totpad;
416 I32 ix = 0;
417 I32 ixmax = av_len((AV *)ival);
6cde4e94 418
823edd99 419 SV *ixsv = newSViv(0);
420 /* allowing for a 24 char wide array index */
421 New(0, iname, namelen+28, char);
422 (void)strcpy(iname, name);
423 inamelen = namelen;
424 if (name[0] == '@') {
425 sv_catpvn(retval, "(", 1);
426 iname[0] = '$';
427 }
428 else {
429 sv_catpvn(retval, "[", 1);
7820172a 430 /* omit "->" in $foo{bar}->[0], but not in ${$foo}->[0] */
431 /*if (namelen > 0
432 && name[namelen-1] != ']' && name[namelen-1] != '}'
433 && (namelen < 4 || (name[1] != '{' && name[2] != '{')))*/
434 if ((namelen > 0
435 && name[namelen-1] != ']' && name[namelen-1] != '}')
436 || (namelen > 4
437 && (name[1] == '{'
438 || (name[0] == '\\' && name[2] == '{'))))
439 {
823edd99 440 iname[inamelen++] = '-'; iname[inamelen++] = '>';
441 iname[inamelen] = '\0';
442 }
443 }
444 if (iname[0] == '*' && iname[inamelen-1] == '}' && inamelen >= 8 &&
445 (instr(iname+inamelen-8, "{SCALAR}") ||
446 instr(iname+inamelen-7, "{ARRAY}") ||
447 instr(iname+inamelen-6, "{HASH}"))) {
448 iname[inamelen++] = '-'; iname[inamelen++] = '>';
449 }
450 iname[inamelen++] = '['; iname[inamelen] = '\0';
451 totpad = newSVsv(sep);
452 sv_catsv(totpad, pad);
453 sv_catsv(totpad, apad);
454
455 for (ix = 0; ix <= ixmax; ++ix) {
456 STRLEN ilen;
457 SV *elem;
458 svp = av_fetch((AV*)ival, ix, FALSE);
459 if (svp)
460 elem = *svp;
461 else
3280af22 462 elem = &PL_sv_undef;
823edd99 463
464 ilen = inamelen;
465 sv_setiv(ixsv, ix);
7b0972df 466 (void) sprintf(iname+ilen, "%"IVdf, (IV)ix);
823edd99 467 ilen = strlen(iname);
468 iname[ilen++] = ']'; iname[ilen] = '\0';
469 if (indent >= 3) {
470 sv_catsv(retval, totpad);
471 sv_catsv(retval, ipad);
472 sv_catpvn(retval, "#", 1);
473 sv_catsv(retval, ixsv);
474 }
475 sv_catsv(retval, totpad);
476 sv_catsv(retval, ipad);
cea2e8a9 477 DD_dump(aTHX_ elem, iname, ilen, retval, seenhv, postav,
823edd99 478 levelp, indent, pad, xpad, apad, sep,
a2126434 479 freezer, toaster, purity, deepcopy, quotekeys, bless,
e9105f86 480 maxdepth, sortkeys);
823edd99 481 if (ix < ixmax)
482 sv_catpvn(retval, ",", 1);
483 }
484 if (ixmax >= 0) {
cea2e8a9 485 SV *opad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), (*levelp)-1);
823edd99 486 sv_catsv(retval, totpad);
487 sv_catsv(retval, opad);
488 SvREFCNT_dec(opad);
489 }
490 if (name[0] == '@')
491 sv_catpvn(retval, ")", 1);
492 else
493 sv_catpvn(retval, "]", 1);
494 SvREFCNT_dec(ixsv);
495 SvREFCNT_dec(totpad);
496 Safefree(iname);
497 }
498 else if (realtype == SVt_PVHV) {
499 SV *totpad, *newapad;
500 SV *iname, *sname;
501 HE *entry;
502 char *key;
503 I32 klen;
504 SV *hval;
e9105f86 505 AV *keys = Nullav;
6cde4e94 506
7820172a 507 iname = newSVpvn(name, namelen);
823edd99 508 if (name[0] == '%') {
509 sv_catpvn(retval, "(", 1);
510 (SvPVX(iname))[0] = '$';
511 }
512 else {
513 sv_catpvn(retval, "{", 1);
7820172a 514 /* omit "->" in $foo[0]->{bar}, but not in ${$foo}->{bar} */
515 if ((namelen > 0
516 && name[namelen-1] != ']' && name[namelen-1] != '}')
517 || (namelen > 4
518 && (name[1] == '{'
519 || (name[0] == '\\' && name[2] == '{'))))
520 {
823edd99 521 sv_catpvn(iname, "->", 2);
522 }
523 }
524 if (name[0] == '*' && name[namelen-1] == '}' && namelen >= 8 &&
525 (instr(name+namelen-8, "{SCALAR}") ||
526 instr(name+namelen-7, "{ARRAY}") ||
527 instr(name+namelen-6, "{HASH}"))) {
528 sv_catpvn(iname, "->", 2);
529 }
530 sv_catpvn(iname, "{", 1);
531 totpad = newSVsv(sep);
532 sv_catsv(totpad, pad);
533 sv_catsv(totpad, apad);
6cde4e94 534
e9105f86 535 /* If requested, get a sorted/filtered array of hash keys */
536 if (sortkeys) {
537 if (sortkeys == &PL_sv_yes) {
538 keys = newAV();
539 (void)hv_iterinit((HV*)ival);
20d72259 540 while ((entry = hv_iternext((HV*)ival))) {
e9105f86 541 sv = hv_iterkeysv(entry);
542 SvREFCNT_inc(sv);
543 av_push(keys, sv);
544 }
503ec68f 545#ifdef USE_LOCALE_NUMERIC
e9105f86 546 sortsv(AvARRAY(keys),
547 av_len(keys)+1,
3c253d0e 548 IN_LOCALE ? Perl_sv_cmp_locale : Perl_sv_cmp);
02a99678 549#else
503ec68f 550 sortsv(AvARRAY(keys),
551 av_len(keys)+1,
552 Perl_sv_cmp);
02a99678 553#endif
e9105f86 554 }
555 else {
556 dSP; ENTER; SAVETMPS; PUSHMARK(sp);
557 XPUSHs(sv_2mortal(newRV_inc(ival))); PUTBACK;
558 i = perl_call_sv(sortkeys, G_SCALAR | G_EVAL);
559 SPAGAIN;
560 if (i) {
561 sv = POPs;
562 if (SvROK(sv) && (SvTYPE(SvRV(sv)) == SVt_PVAV))
563 keys = (AV*)SvREFCNT_inc(SvRV(sv));
564 }
565 if (! keys)
566 warn("Sortkeys subroutine did not return ARRAYREF\n");
567 PUTBACK; FREETMPS; LEAVE;
568 }
569 if (keys)
570 sv_2mortal((SV*)keys);
571 }
572 else
573 (void)hv_iterinit((HV*)ival);
ecfc8647 574
575 /* foreach (keys %hash) */
576 for (i = 0; 1; i++) {
dc71dc59 577 char *nkey = NULL;
823edd99 578 I32 nticks = 0;
dc71dc59 579 SV* keysv;
580 STRLEN keylen;
581 bool do_utf8 = FALSE;
ecfc8647 582
91f3b821 583 if ((sortkeys && !(keys && (I32)i <= av_len(keys))) ||
ecfc8647 584 !(entry = hv_iternext((HV *)ival)))
585 break;
586
823edd99 587 if (i)
588 sv_catpvn(retval, ",", 1);
e9105f86 589
590 if (sortkeys) {
591 char *key;
592 svp = av_fetch(keys, i, FALSE);
593 keysv = svp ? *svp : sv_mortalcopy(&PL_sv_undef);
594 key = SvPV(keysv, keylen);
595 svp = hv_fetch((HV*)ival, key, keylen, 0);
596 hval = svp ? *svp : sv_mortalcopy(&PL_sv_undef);
597 }
598 else {
599 keysv = hv_iterkeysv(entry);
600 hval = hv_iterval((HV*)ival, entry);
601 }
602
dc71dc59 603 do_utf8 = DO_UTF8(keysv);
604 key = SvPV(keysv, keylen);
605 klen = keylen;
606
607 if (do_utf8) {
608 char *okey = SvPVX(retval) + SvCUR(retval);
609 I32 nlen;
610
611 sv_catsv(retval, totpad);
612 sv_catsv(retval, ipad);
6cde4e94 613 nlen = esc_q_utf8(aTHX_ retval, key, klen);
dc71dc59 614
615 sname = newSVsv(iname);
616 sv_catpvn(sname, okey, nlen);
617 sv_catpvn(sname, "}", 1);
823edd99 618 }
619 else {
dc71dc59 620 if (quotekeys || needs_quote(key)) {
621 nticks = num_q(key, klen);
622 New(0, nkey, klen+nticks+3, char);
623 nkey[0] = '\'';
624 if (nticks)
625 klen += esc_q(nkey+1, key, klen);
626 else
627 (void)Copy(key, nkey+1, klen, char);
628 nkey[++klen] = '\'';
629 nkey[++klen] = '\0';
630 }
631 else {
632 New(0, nkey, klen, char);
633 (void)Copy(key, nkey, klen, char);
634 }
823edd99 635
dc71dc59 636 sname = newSVsv(iname);
637 sv_catpvn(sname, nkey, klen);
638 sv_catpvn(sname, "}", 1);
639
640 sv_catsv(retval, totpad);
641 sv_catsv(retval, ipad);
642 sv_catpvn(retval, nkey, klen);
643 }
823edd99 644 sv_catpvn(retval, " => ", 4);
645 if (indent >= 2) {
646 char *extra;
647 I32 elen = 0;
648 newapad = newSVsv(apad);
649 New(0, extra, klen+4+1, char);
650 while (elen < (klen+4))
651 extra[elen++] = ' ';
652 extra[elen] = '\0';
653 sv_catpvn(newapad, extra, elen);
654 Safefree(extra);
655 }
656 else
657 newapad = apad;
658
cea2e8a9 659 DD_dump(aTHX_ hval, SvPVX(sname), SvCUR(sname), retval, seenhv,
823edd99 660 postav, levelp, indent, pad, xpad, newapad, sep,
a2126434 661 freezer, toaster, purity, deepcopy, quotekeys, bless,
e9105f86 662 maxdepth, sortkeys);
823edd99 663 SvREFCNT_dec(sname);
664 Safefree(nkey);
665 if (indent >= 2)
666 SvREFCNT_dec(newapad);
667 }
668 if (i) {
cea2e8a9 669 SV *opad = sv_x(aTHX_ Nullsv, SvPVX(xpad), SvCUR(xpad), *levelp-1);
823edd99 670 sv_catsv(retval, totpad);
671 sv_catsv(retval, opad);
672 SvREFCNT_dec(opad);
673 }
674 if (name[0] == '%')
675 sv_catpvn(retval, ")", 1);
676 else
677 sv_catpvn(retval, "}", 1);
678 SvREFCNT_dec(iname);
679 SvREFCNT_dec(totpad);
680 }
681 else if (realtype == SVt_PVCV) {
682 sv_catpvn(retval, "sub { \"DUMMY\" }", 15);
683 if (purity)
684 warn("Encountered CODE ref, using dummy placeholder");
685 }
686 else {
687 warn("cannot handle ref type %ld", realtype);
688 }
689
690 if (realpack) { /* free blessed allocs */
691 if (indent >= 2) {
692 SvREFCNT_dec(apad);
693 apad = blesspad;
694 }
695 sv_catpvn(retval, ", '", 3);
696 sv_catpvn(retval, realpack, strlen(realpack));
697 sv_catpvn(retval, "' )", 3);
698 if (toaster && SvPOK(toaster) && SvCUR(toaster)) {
699 sv_catpvn(retval, "->", 2);
700 sv_catsv(retval, toaster);
701 sv_catpvn(retval, "()", 2);
702 }
703 }
704 SvREFCNT_dec(ipad);
705 (*levelp)--;
706 }
707 else {
708 STRLEN i;
709
710 if (namelen) {
c623ac67 711 (void) sprintf(id, "0x%"UVxf, PTR2UV(val));
823edd99 712 if ((svp = hv_fetch(seenhv, id, (idlen = strlen(id)), FALSE)) &&
713 (sv = *svp) && SvROK(sv) &&
7820172a 714 (seenentry = (AV*)SvRV(sv)))
715 {
823edd99 716 SV *othername;
7820172a 717 if ((svp = av_fetch(seenentry, 0, FALSE)) && (othername = *svp)
718 && (svp = av_fetch(seenentry, 2, FALSE)) && *svp && SvIV(*svp) > 0)
719 {
720 sv_catpvn(retval, "${", 2);
823edd99 721 sv_catsv(retval, othername);
7820172a 722 sv_catpvn(retval, "}", 1);
823edd99 723 return 1;
724 }
725 }
726 else {
727 SV *namesv;
7820172a 728 namesv = newSVpvn("\\", 1);
823edd99 729 sv_catpvn(namesv, name, namelen);
730 seenentry = newAV();
731 av_push(seenentry, namesv);
7820172a 732 av_push(seenentry, newRV(val));
823edd99 733 (void)hv_store(seenhv, id, strlen(id), newRV((SV*)seenentry), 0);
734 SvREFCNT_dec(seenentry);
735 }
736 }
7820172a 737
823edd99 738 if (SvIOK(val)) {
739 STRLEN len;
0e8b3009 740 if (SvIsUV(val))
5e8f63cb 741 (void) sprintf(tmpbuf, "%"UVuf, SvUV(val));
0e8b3009 742 else
743 (void) sprintf(tmpbuf, "%"IVdf, SvIV(val));
823edd99 744 len = strlen(tmpbuf);
c4cce848 745 /* For 5.6.x and earlier will need to change this test to check
746 NV if NOK, as there NOK trumps IOK, and NV=3.5,IV=3 is valid.
747 Current code will Dump that as $VAR1 = 3;
748 Changes in 5.7 series mean that now IOK is only set if scalar
749 is precisely integer. */
750 if (SvPOK(val)) {
751 /* Need to check to see if this is a string such as " 0".
752 I'm assuming from sprintf isn't going to clash with utf8.
753 Is this valid on EBCDIC? */
754 STRLEN pvlen;
755 const char *pv = SvPV(val, pvlen);
756 if (pvlen != len || memNE(pv, tmpbuf, len))
757 goto integer_came_from_string;
758 }
759 if (len > 10) {
760 /* Looks like we're on a 64 bit system. Make it a string so that
761 if a 32 bit system reads the number it will cope better. */
762 sv_catpvf(retval, "'%s'", tmpbuf);
763 } else
764 sv_catpvn(retval, tmpbuf, len);
823edd99 765 }
766 else if (realtype == SVt_PVGV) {/* GLOBs can end up with scribbly names */
767 c = SvPV(val, i);
768 ++c; --i; /* just get the name */
769 if (i >= 6 && strncmp(c, "main::", 6) == 0) {
770 c += 4;
771 i -= 4;
772 }
773 if (needs_quote(c)) {
774 sv_grow(retval, SvCUR(retval)+6+2*i);
775 r = SvPVX(retval)+SvCUR(retval);
776 r[0] = '*'; r[1] = '{'; r[2] = '\'';
777 i += esc_q(r+3, c, i);
778 i += 3;
779 r[i++] = '\''; r[i++] = '}';
780 r[i] = '\0';
781 }
782 else {
783 sv_grow(retval, SvCUR(retval)+i+2);
784 r = SvPVX(retval)+SvCUR(retval);
785 r[0] = '*'; strcpy(r+1, c);
786 i++;
787 }
7820172a 788 SvCUR_set(retval, SvCUR(retval)+i);
823edd99 789
790 if (purity) {
791 static char *entries[] = { "{SCALAR}", "{ARRAY}", "{HASH}" };
792 static STRLEN sizes[] = { 8, 7, 6 };
793 SV *e;
7820172a 794 SV *nname = newSVpvn("", 0);
795 SV *newapad = newSVpvn("", 0);
823edd99 796 GV *gv = (GV*)val;
797 I32 j;
798
799 for (j=0; j<3; j++) {
800 e = ((j == 0) ? GvSV(gv) : (j == 1) ? (SV*)GvAV(gv) : (SV*)GvHV(gv));
7820172a 801 if (!e)
802 continue;
803 if (j == 0 && !SvOK(e))
804 continue;
805
806 {
823edd99 807 I32 nlevel = 0;
7820172a 808 SV *postentry = newSVpvn(r,i);
823edd99 809
810 sv_setsv(nname, postentry);
811 sv_catpvn(nname, entries[j], sizes[j]);
812 sv_catpvn(postentry, " = ", 3);
813 av_push(postav, postentry);
814 e = newRV(e);
815
816 SvCUR(newapad) = 0;
817 if (indent >= 2)
cea2e8a9 818 (void)sv_x(aTHX_ newapad, " ", 1, SvCUR(postentry));
823edd99 819
cea2e8a9 820 DD_dump(aTHX_ e, SvPVX(nname), SvCUR(nname), postentry,
823edd99 821 seenhv, postav, &nlevel, indent, pad, xpad,
822 newapad, sep, freezer, toaster, purity,
e9105f86 823 deepcopy, quotekeys, bless, maxdepth,
824 sortkeys);
823edd99 825 SvREFCNT_dec(e);
826 }
827 }
828
829 SvREFCNT_dec(newapad);
830 SvREFCNT_dec(nname);
831 }
832 }
7820172a 833 else if (val == &PL_sv_undef || !SvOK(val)) {
834 sv_catpvn(retval, "undef", 5);
835 }
823edd99 836 else {
c4cce848 837 integer_came_from_string:
823edd99 838 c = SvPV(val, i);
dc71dc59 839 if (DO_UTF8(val))
6cde4e94 840 i += esc_q_utf8(aTHX_ retval, c, i);
dc71dc59 841 else {
842 sv_grow(retval, SvCUR(retval)+3+2*i); /* 3: ""\0 */
843 r = SvPVX(retval) + SvCUR(retval);
844 r[0] = '\'';
845 i += esc_q(r+1, c, i);
846 ++i;
847 r[i++] = '\'';
848 r[i] = '\0';
849 SvCUR_set(retval, SvCUR(retval)+i);
850 }
823edd99 851 }
823edd99 852 }
853
7820172a 854 if (idlen) {
855 if (deepcopy)
856 (void)hv_delete(seenhv, id, idlen, G_DISCARD);
857 else if (namelen && seenentry) {
858 SV *mark = *av_fetch(seenentry, 2, TRUE);
859 sv_setiv(mark,1);
860 }
861 }
823edd99 862 return 1;
863}
864
865
866MODULE = Data::Dumper PACKAGE = Data::Dumper PREFIX = Data_Dumper_
867
868#
869# This is the exact equivalent of Dump. Well, almost. The things that are
870# different as of now (due to Laziness):
871# * doesnt do double-quotes yet.
872#
873
874void
875Data_Dumper_Dumpxs(href, ...)
876 SV *href;
877 PROTOTYPE: $;$$
878 PPCODE:
879 {
880 HV *hv;
881 SV *retval, *valstr;
882 HV *seenhv = Nullhv;
883 AV *postav, *todumpav, *namesav;
884 I32 level = 0;
497b47a8 885 I32 indent, terse, i, imax, postlen;
823edd99 886 SV **svp;
497b47a8 887 SV *val, *name, *pad, *xpad, *apad, *sep, *varname;
e9105f86 888 SV *freezer, *toaster, *bless, *sortkeys;
7b0972df 889 I32 purity, deepcopy, quotekeys, maxdepth = 0;
823edd99 890 char tmpbuf[1024];
891 I32 gimme = GIMME;
892
893 if (!SvROK(href)) { /* call new to get an object first */
0f1923bd 894 if (items < 2)
895 croak("Usage: Data::Dumper::Dumpxs(PACKAGE, VAL_ARY_REF, [NAME_ARY_REF])");
823edd99 896
897 ENTER;
898 SAVETMPS;
899
900 PUSHMARK(sp);
901 XPUSHs(href);
0f1923bd 902 XPUSHs(sv_2mortal(newSVsv(ST(1))));
903 if (items >= 3)
904 XPUSHs(sv_2mortal(newSVsv(ST(2))));
823edd99 905 PUTBACK;
906 i = perl_call_method("new", G_SCALAR);
907 SPAGAIN;
908 if (i)
909 href = newSVsv(POPs);
910
911 PUTBACK;
912 FREETMPS;
913 LEAVE;
914 if (i)
915 (void)sv_2mortal(href);
916 }
917
918 todumpav = namesav = Nullav;
919 seenhv = Nullhv;
497b47a8 920 val = pad = xpad = apad = sep = varname
3280af22 921 = freezer = toaster = bless = &PL_sv_undef;
823edd99 922 name = sv_newmortal();
923 indent = 2;
497b47a8 924 terse = purity = deepcopy = 0;
823edd99 925 quotekeys = 1;
6cde4e94 926
7820172a 927 retval = newSVpvn("", 0);
823edd99 928 if (SvROK(href)
929 && (hv = (HV*)SvRV((SV*)href))
930 && SvTYPE(hv) == SVt_PVHV) {
931
932 if ((svp = hv_fetch(hv, "seen", 4, FALSE)) && SvROK(*svp))
933 seenhv = (HV*)SvRV(*svp);
934 if ((svp = hv_fetch(hv, "todump", 6, FALSE)) && SvROK(*svp))
935 todumpav = (AV*)SvRV(*svp);
936 if ((svp = hv_fetch(hv, "names", 5, FALSE)) && SvROK(*svp))
937 namesav = (AV*)SvRV(*svp);
938 if ((svp = hv_fetch(hv, "indent", 6, FALSE)))
939 indent = SvIV(*svp);
940 if ((svp = hv_fetch(hv, "purity", 6, FALSE)))
941 purity = SvIV(*svp);
942 if ((svp = hv_fetch(hv, "terse", 5, FALSE)))
943 terse = SvTRUE(*svp);
497b47a8 944#if 0 /* useqq currently unused */
823edd99 945 if ((svp = hv_fetch(hv, "useqq", 5, FALSE)))
946 useqq = SvTRUE(*svp);
497b47a8 947#endif
823edd99 948 if ((svp = hv_fetch(hv, "pad", 3, FALSE)))
949 pad = *svp;
950 if ((svp = hv_fetch(hv, "xpad", 4, FALSE)))
951 xpad = *svp;
952 if ((svp = hv_fetch(hv, "apad", 4, FALSE)))
953 apad = *svp;
954 if ((svp = hv_fetch(hv, "sep", 3, FALSE)))
955 sep = *svp;
956 if ((svp = hv_fetch(hv, "varname", 7, FALSE)))
957 varname = *svp;
958 if ((svp = hv_fetch(hv, "freezer", 7, FALSE)))
959 freezer = *svp;
960 if ((svp = hv_fetch(hv, "toaster", 7, FALSE)))
961 toaster = *svp;
962 if ((svp = hv_fetch(hv, "deepcopy", 8, FALSE)))
963 deepcopy = SvTRUE(*svp);
964 if ((svp = hv_fetch(hv, "quotekeys", 9, FALSE)))
965 quotekeys = SvTRUE(*svp);
966 if ((svp = hv_fetch(hv, "bless", 5, FALSE)))
967 bless = *svp;
a2126434 968 if ((svp = hv_fetch(hv, "maxdepth", 8, FALSE)))
969 maxdepth = SvIV(*svp);
e9105f86 970 if ((svp = hv_fetch(hv, "sortkeys", 8, FALSE))) {
971 sortkeys = *svp;
972 if (! SvTRUE(sortkeys))
973 sortkeys = NULL;
974 else if (! (SvROK(sortkeys) &&
975 SvTYPE(SvRV(sortkeys)) == SVt_PVCV) )
976 {
977 /* flag to use qsortsv() for sorting hash keys */
978 sortkeys = &PL_sv_yes;
979 }
980 }
823edd99 981 postav = newAV();
982
983 if (todumpav)
984 imax = av_len(todumpav);
985 else
986 imax = -1;
7820172a 987 valstr = newSVpvn("",0);
823edd99 988 for (i = 0; i <= imax; ++i) {
989 SV *newapad;
6cde4e94 990
823edd99 991 av_clear(postav);
992 if ((svp = av_fetch(todumpav, i, FALSE)))
993 val = *svp;
994 else
3280af22 995 val = &PL_sv_undef;
823edd99 996 if ((svp = av_fetch(namesav, i, TRUE)))
997 sv_setsv(name, *svp);
998 else
8063af02 999 (void)SvOK_off(name);
6cde4e94 1000
823edd99 1001 if (SvOK(name)) {
1002 if ((SvPVX(name))[0] == '*') {
1003 if (SvROK(val)) {
1004 switch (SvTYPE(SvRV(val))) {
1005 case SVt_PVAV:
1006 (SvPVX(name))[0] = '@';
1007 break;
1008 case SVt_PVHV:
1009 (SvPVX(name))[0] = '%';
1010 break;
1011 case SVt_PVCV:
1012 (SvPVX(name))[0] = '*';
1013 break;
1014 default:
1015 (SvPVX(name))[0] = '$';
1016 break;
1017 }
1018 }
1019 else
1020 (SvPVX(name))[0] = '$';
1021 }
1022 else if ((SvPVX(name))[0] != '$')
1023 sv_insert(name, 0, 0, "$", 1);
1024 }
1025 else {
1026 STRLEN nchars = 0;
1027 sv_setpvn(name, "$", 1);
1028 sv_catsv(name, varname);
faccc32b 1029 (void) sprintf(tmpbuf, "%"IVdf, (IV)(i+1));
823edd99 1030 nchars = strlen(tmpbuf);
1031 sv_catpvn(name, tmpbuf, nchars);
1032 }
6cde4e94 1033
823edd99 1034 if (indent >= 2) {
cea2e8a9 1035 SV *tmpsv = sv_x(aTHX_ Nullsv, " ", 1, SvCUR(name)+3);
823edd99 1036 newapad = newSVsv(apad);
1037 sv_catsv(newapad, tmpsv);
1038 SvREFCNT_dec(tmpsv);
1039 }
1040 else
1041 newapad = apad;
6cde4e94 1042
cea2e8a9 1043 DD_dump(aTHX_ val, SvPVX(name), SvCUR(name), valstr, seenhv,
823edd99 1044 postav, &level, indent, pad, xpad, newapad, sep,
1045 freezer, toaster, purity, deepcopy, quotekeys,
e9105f86 1046 bless, maxdepth, sortkeys);
6cde4e94 1047
823edd99 1048 if (indent >= 2)
1049 SvREFCNT_dec(newapad);
1050
1051 postlen = av_len(postav);
1052 if (postlen >= 0 || !terse) {
1053 sv_insert(valstr, 0, 0, " = ", 3);
1054 sv_insert(valstr, 0, 0, SvPVX(name), SvCUR(name));
1055 sv_catpvn(valstr, ";", 1);
1056 }
1057 sv_catsv(retval, pad);
1058 sv_catsv(retval, valstr);
1059 sv_catsv(retval, sep);
1060 if (postlen >= 0) {
1061 I32 i;
1062 sv_catsv(retval, pad);
1063 for (i = 0; i <= postlen; ++i) {
1064 SV *elem;
1065 svp = av_fetch(postav, i, FALSE);
1066 if (svp && (elem = *svp)) {
1067 sv_catsv(retval, elem);
1068 if (i < postlen) {
1069 sv_catpvn(retval, ";", 1);
1070 sv_catsv(retval, sep);
1071 sv_catsv(retval, pad);
1072 }
1073 }
1074 }
1075 sv_catpvn(retval, ";", 1);
1076 sv_catsv(retval, sep);
1077 }
1078 sv_setpvn(valstr, "", 0);
1079 if (gimme == G_ARRAY) {
1080 XPUSHs(sv_2mortal(retval));
1081 if (i < imax) /* not the last time thro ? */
7820172a 1082 retval = newSVpvn("",0);
823edd99 1083 }
1084 }
1085 SvREFCNT_dec(postav);
1086 SvREFCNT_dec(valstr);
1087 }
1088 else
1089 croak("Call to new() method failed to return HASH ref");
1090 if (gimme == G_SCALAR)
1091 XPUSHs(sv_2mortal(retval));
1092 }
Unnamed repository; edit this file to name it for gitweb.