Commit | Line | Data |
a0d0e21e |
1 | /* doop.c |
79072805 |
2 | * |
3818b22b |
3 | * Copyright (c) 1991-2000, Larry Wall |
79072805 |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. |
7 | * |
a0d0e21e |
8 | */ |
9 | |
10 | /* |
11 | * "'So that was the job I felt I had to do when I started,' thought Sam." |
79072805 |
12 | */ |
13 | |
14 | #include "EXTERN.h" |
864dbfa3 |
15 | #define PERL_IN_DOOP_C |
79072805 |
16 | #include "perl.h" |
17 | |
64ca3a65 |
18 | #ifndef PERL_MICRO |
79072805 |
19 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
20 | #include <signal.h> |
21 | #endif |
64ca3a65 |
22 | #endif |
79072805 |
23 | |
075321c3 |
24 | #define HALF_UTF8_UPGRADE(start,end) \ |
01ec43d0 |
25 | STMT_START { \ |
26 | U8* NeWsTr; \ |
48b1b78b |
27 | STRLEN LeN = (end) - (start); \ |
01ec43d0 |
28 | NeWsTr = bytes_to_utf8(start, &LeN); \ |
075321c3 |
29 | Safefree(start); \ |
30 | (start) = NeWsTr; \ |
31 | (end) = (start) + LeN; \ |
01ec43d0 |
32 | } STMT_END |
b250498f |
33 | |
942e002e |
34 | STATIC I32 |
b250498f |
35 | S_do_trans_simple(pTHX_ SV *sv) |
79072805 |
36 | { |
11343788 |
37 | dTHR; |
4757a243 |
38 | U8 *s; |
b250498f |
39 | U8 *d; |
4757a243 |
40 | U8 *send; |
b250498f |
41 | U8 *dstart; |
4757a243 |
42 | I32 matches = 0; |
b250498f |
43 | I32 sutf = SvUTF8(sv); |
463ee0b2 |
44 | STRLEN len; |
4757a243 |
45 | short *tbl; |
46 | I32 ch; |
79072805 |
47 | |
4757a243 |
48 | tbl = (short*)cPVOP->op_pv; |
49 | if (!tbl) |
cea2e8a9 |
50 | Perl_croak(aTHX_ "panic: do_trans"); |
a0ed51b3 |
51 | |
4757a243 |
52 | s = (U8*)SvPV(sv, len); |
53 | send = s + len; |
54 | |
b250498f |
55 | /* First, take care of non-UTF8 input strings, because they're easy */ |
56 | if (!sutf) { |
01ec43d0 |
57 | while (s < send) { |
036b4402 |
58 | if ((ch = tbl[*s]) >= 0) { |
01ec43d0 |
59 | matches++; |
60 | *s++ = ch; |
61 | } |
62 | else |
63 | s++; |
64 | } |
65 | SvSETMAGIC(sv); |
b250498f |
66 | return matches; |
67 | } |
4757a243 |
68 | |
b250498f |
69 | /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ |
70 | Newz(0, d, len*2+1, U8); |
71 | dstart = d; |
72 | while (s < send) { |
73 | I32 ulen; |
74 | short c; |
75 | |
76 | ulen = 1; |
77 | /* Need to check this, otherwise 128..255 won't match */ |
78 | c = utf8_to_uv(s, &ulen); |
79 | if (c < 0x100 && (ch = tbl[(short)c]) >= 0) { |
80 | matches++; |
81 | if (ch < 0x80) |
82 | *d++ = ch; |
83 | else |
84 | d = uv_to_utf8(d,ch); |
85 | s += ulen; |
01ec43d0 |
86 | } |
87 | else { /* No match -> copy */ |
b250498f |
88 | while (ulen--) |
89 | *d++ = *s++; |
90 | } |
91 | } |
01ec43d0 |
92 | *d = '\0'; |
be3174d2 |
93 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
b250498f |
94 | SvUTF8_on(sv); |
95 | SvLEN_set(sv, 2*len+1); |
96 | SvSETMAGIC(sv); |
4757a243 |
97 | return matches; |
98 | } |
99 | |
942e002e |
100 | STATIC I32 |
036b4402 |
101 | S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
102 | { |
103 | dTHR; |
104 | U8 *s; |
105 | U8 *send; |
106 | I32 matches = 0; |
036b4402 |
107 | I32 hasutf = SvUTF8(sv); |
4757a243 |
108 | STRLEN len; |
109 | short *tbl; |
110 | |
111 | tbl = (short*)cPVOP->op_pv; |
112 | if (!tbl) |
cea2e8a9 |
113 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 |
114 | |
115 | s = (U8*)SvPV(sv, len); |
116 | send = s + len; |
117 | |
118 | while (s < send) { |
036b4402 |
119 | if (hasutf && *s & 0x80) |
01ec43d0 |
120 | s += UTF8SKIP(s); |
036b4402 |
121 | else { |
b250498f |
122 | UV c; |
123 | I32 ulen; |
124 | ulen = 1; |
125 | if (hasutf) |
126 | c = utf8_to_uv(s,&ulen); |
127 | else |
128 | c = *s; |
129 | if (c < 0x100 && tbl[c] >= 0) |
036b4402 |
130 | matches++; |
01ec43d0 |
131 | s += ulen; |
036b4402 |
132 | } |
4757a243 |
133 | } |
134 | |
135 | return matches; |
136 | } |
137 | |
942e002e |
138 | STATIC I32 |
b250498f |
139 | S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */ |
4757a243 |
140 | { |
141 | dTHR; |
142 | U8 *s; |
143 | U8 *send; |
144 | U8 *d; |
036b4402 |
145 | I32 hasutf = SvUTF8(sv); |
4757a243 |
146 | I32 matches = 0; |
147 | STRLEN len; |
148 | short *tbl; |
149 | I32 ch; |
150 | |
151 | tbl = (short*)cPVOP->op_pv; |
152 | if (!tbl) |
cea2e8a9 |
153 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 |
154 | |
155 | s = (U8*)SvPV(sv, len); |
156 | send = s + len; |
157 | |
158 | d = s; |
159 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
160 | U8* p = send; |
161 | |
162 | while (s < send) { |
036b4402 |
163 | if (hasutf && *s & 0x80) |
01ec43d0 |
164 | s += UTF8SKIP(s); |
036b4402 |
165 | else { |
166 | if ((ch = tbl[*s]) >= 0) { |
167 | *d = ch; |
168 | matches++; |
169 | if (p == d - 1 && *p == *d) |
170 | matches--; |
171 | else |
172 | p = d++; |
173 | } |
01ec43d0 |
174 | else if (ch == -1) /* -1 is unmapped character */ |
036b4402 |
175 | *d++ = *s; /* -2 is delete character */ |
176 | s++; |
177 | } |
a0ed51b3 |
178 | } |
4757a243 |
179 | } |
180 | else { |
181 | while (s < send) { |
036b4402 |
182 | if (hasutf && *s & 0x80) |
01ec43d0 |
183 | s += UTF8SKIP(s); |
036b4402 |
184 | else { |
185 | if ((ch = tbl[*s]) >= 0) { |
186 | *d = ch; |
187 | matches++; |
188 | d++; |
189 | } |
01ec43d0 |
190 | else if (ch == -1) /* -1 is unmapped character */ |
036b4402 |
191 | *d++ = *s; /* -2 is delete character */ |
192 | s++; |
193 | } |
5d06d08e |
194 | } |
4757a243 |
195 | } |
01ec43d0 |
196 | matches += send - d; /* account for disappeared chars */ |
4757a243 |
197 | *d = '\0'; |
198 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
199 | SvSETMAGIC(sv); |
200 | |
201 | return matches; |
202 | } |
203 | |
942e002e |
204 | STATIC I32 |
036b4402 |
205 | S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
206 | { |
207 | dTHR; |
208 | U8 *s; |
209 | U8 *send; |
210 | U8 *d; |
036b4402 |
211 | U8 *start; |
212 | U8 *dstart; |
4757a243 |
213 | I32 matches = 0; |
214 | STRLEN len; |
215 | |
216 | SV* rv = (SV*)cSVOP->op_sv; |
217 | HV* hv = (HV*)SvRV(rv); |
218 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
219 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
220 | UV extra = none + 1; |
221 | UV final; |
222 | UV uv; |
036b4402 |
223 | I32 isutf; |
224 | I32 howmany; |
4757a243 |
225 | |
036b4402 |
226 | isutf = SvUTF8(sv); |
4757a243 |
227 | s = (U8*)SvPV(sv, len); |
228 | send = s + len; |
036b4402 |
229 | start = s; |
4757a243 |
230 | |
231 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
232 | if (svp) |
233 | final = SvUV(*svp); |
234 | |
036b4402 |
235 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
236 | Newz(0, d, len*2+1, U8); |
237 | dstart = d; |
4757a243 |
238 | while (s < send) { |
239 | if ((uv = swash_fetch(rv, s)) < none) { |
240 | s += UTF8SKIP(s); |
241 | matches++; |
01ec43d0 |
242 | if ((uv & 0x80) && !isutf++) |
075321c3 |
243 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 |
244 | d = uv_to_utf8(d, uv); |
245 | } |
246 | else if (uv == none) { |
247 | int i; |
01ec43d0 |
248 | i = UTF8SKIP(s); |
b250498f |
249 | if (i > 1 && !isutf++) |
075321c3 |
250 | HALF_UTF8_UPGRADE(dstart,d); |
036b4402 |
251 | while(i--) |
075321c3 |
252 | *d++ = *s++; |
4757a243 |
253 | } |
254 | else if (uv == extra) { |
036b4402 |
255 | int i; |
01ec43d0 |
256 | i = UTF8SKIP(s); |
036b4402 |
257 | s += i; |
4757a243 |
258 | matches++; |
b250498f |
259 | if (i > 1 && !isutf++) |
075321c3 |
260 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 |
261 | d = uv_to_utf8(d, final); |
262 | } |
263 | else |
264 | s += UTF8SKIP(s); |
265 | } |
266 | *d = '\0'; |
be3174d2 |
267 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
4757a243 |
268 | SvSETMAGIC(sv); |
036b4402 |
269 | if (isutf) |
270 | SvUTF8_on(sv); |
4757a243 |
271 | |
272 | return matches; |
273 | } |
274 | |
942e002e |
275 | STATIC I32 |
036b4402 |
276 | S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
277 | { |
278 | dTHR; |
279 | U8 *s; |
280 | U8 *send; |
281 | I32 matches = 0; |
282 | STRLEN len; |
283 | |
284 | SV* rv = (SV*)cSVOP->op_sv; |
285 | HV* hv = (HV*)SvRV(rv); |
286 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
287 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
288 | UV uv; |
289 | |
290 | s = (U8*)SvPV(sv, len); |
036b4402 |
291 | if (!SvUTF8(sv)) |
292 | s = bytes_to_utf8(s, &len); |
4757a243 |
293 | send = s + len; |
294 | |
295 | while (s < send) { |
834a4ddd |
296 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 |
297 | matches++; |
834a4ddd |
298 | s += UTF8SKIP(s); |
4757a243 |
299 | } |
300 | |
301 | return matches; |
302 | } |
303 | |
942e002e |
304 | STATIC I32 |
036b4402 |
305 | S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */ |
4757a243 |
306 | { |
307 | dTHR; |
308 | U8 *s; |
309 | U8 *send; |
310 | U8 *d; |
311 | I32 matches = 0; |
312 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
4757a243 |
313 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
314 | SV* rv = (SV*)cSVOP->op_sv; |
315 | HV* hv = (HV*)SvRV(rv); |
316 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
317 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
318 | UV extra = none + 1; |
319 | UV final; |
320 | UV uv; |
321 | STRLEN len; |
322 | U8 *dst; |
b250498f |
323 | I32 isutf = SvUTF8(sv); |
4757a243 |
324 | |
325 | s = (U8*)SvPV(sv, len); |
326 | send = s + len; |
327 | |
328 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
329 | if (svp) |
330 | final = SvUV(*svp); |
331 | |
b250498f |
332 | Newz(0, d, len*2+1, U8); |
4757a243 |
333 | dst = d; |
4757a243 |
334 | |
335 | if (squash) { |
336 | UV puv = 0xfeedface; |
337 | while (s < send) { |
b250498f |
338 | if (SvUTF8(sv)) |
4757a243 |
339 | uv = swash_fetch(rv, s); |
a0ed51b3 |
340 | else { |
4757a243 |
341 | U8 tmpbuf[2]; |
342 | uv = *s++; |
343 | if (uv < 0x80) |
344 | tmpbuf[0] = uv; |
345 | else { |
346 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
347 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
348 | } |
349 | uv = swash_fetch(rv, tmpbuf); |
350 | } |
b250498f |
351 | |
4757a243 |
352 | if (uv < none) { |
353 | matches++; |
354 | if (uv != puv) { |
01ec43d0 |
355 | if ((uv & 0x80) && !isutf++) |
075321c3 |
356 | HALF_UTF8_UPGRADE(dst,d); |
01ec43d0 |
357 | d = uv_to_utf8(d, uv); |
4757a243 |
358 | puv = uv; |
359 | } |
075321c3 |
360 | s += UTF8SKIP(s); |
4757a243 |
361 | continue; |
362 | } |
363 | else if (uv == none) { /* "none" is unmapped character */ |
01ec43d0 |
364 | I32 ulen; |
365 | *d++ = (U8)utf8_to_uv(s, &ulen); |
366 | s += ulen; |
4757a243 |
367 | puv = 0xfeedface; |
368 | continue; |
a0ed51b3 |
369 | } |
4757a243 |
370 | else if (uv == extra && !del) { |
371 | matches++; |
372 | if (uv != puv) { |
01ec43d0 |
373 | d = uv_to_utf8(d, final); |
4757a243 |
374 | puv = final; |
375 | } |
01ec43d0 |
376 | s += UTF8SKIP(s); |
4757a243 |
377 | continue; |
378 | } |
01ec43d0 |
379 | matches++; /* "none+1" is delete character */ |
380 | s += UTF8SKIP(s); |
a0ed51b3 |
381 | } |
79072805 |
382 | } |
383 | else { |
4757a243 |
384 | while (s < send) { |
b250498f |
385 | if (SvUTF8(sv)) |
4757a243 |
386 | uv = swash_fetch(rv, s); |
4757a243 |
387 | else { |
388 | U8 tmpbuf[2]; |
389 | uv = *s++; |
390 | if (uv < 0x80) |
391 | tmpbuf[0] = uv; |
392 | else { |
393 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
394 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
a0ed51b3 |
395 | } |
4757a243 |
396 | uv = swash_fetch(rv, tmpbuf); |
a0ed51b3 |
397 | } |
4757a243 |
398 | if (uv < none) { |
399 | matches++; |
01ec43d0 |
400 | d = uv_to_utf8(d, uv); |
401 | s += UTF8SKIP(s); |
4757a243 |
402 | continue; |
a0ed51b3 |
403 | } |
4757a243 |
404 | else if (uv == none) { /* "none" is unmapped character */ |
01ec43d0 |
405 | I32 ulen; |
406 | *d++ = (U8)utf8_to_uv(s, &ulen); |
407 | s += ulen; |
4757a243 |
408 | continue; |
79072805 |
409 | } |
4757a243 |
410 | else if (uv == extra && !del) { |
411 | matches++; |
01ec43d0 |
412 | d = uv_to_utf8(d, final); |
413 | s += UTF8SKIP(s); |
4757a243 |
414 | continue; |
415 | } |
01ec43d0 |
416 | matches++; /* "none+1" is delete character */ |
417 | s += UTF8SKIP(s); |
79072805 |
418 | } |
4757a243 |
419 | } |
420 | if (dst) |
421 | sv_usepvn(sv, (char*)dst, d - dst); |
422 | else { |
423 | *d = '\0'; |
424 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
425 | } |
426 | SvSETMAGIC(sv); |
427 | |
428 | return matches; |
429 | } |
430 | |
431 | I32 |
864dbfa3 |
432 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 |
433 | { |
46124e9e |
434 | dTHR; |
4757a243 |
435 | STRLEN len; |
036b4402 |
436 | I32 hasutf = (PL_op->op_private & |
437 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 |
438 | |
439 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
cea2e8a9 |
440 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 |
441 | |
442 | (void)SvPV(sv, len); |
443 | if (!len) |
444 | return 0; |
445 | if (!SvPOKp(sv)) |
446 | (void)SvPV_force(sv, len); |
2de7b02f |
447 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
448 | (void)SvPOK_only_UTF8(sv); |
4757a243 |
449 | |
cea2e8a9 |
450 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 |
451 | |
036b4402 |
452 | switch (PL_op->op_private & ~hasutf & 63) { |
4757a243 |
453 | case 0: |
01ec43d0 |
454 | if (hasutf) |
455 | return do_trans_simple_utf8(sv); |
456 | else |
457 | return do_trans_simple(sv); |
4757a243 |
458 | |
459 | case OPpTRANS_IDENTICAL: |
01ec43d0 |
460 | if (hasutf) |
461 | return do_trans_count_utf8(sv); |
462 | else |
463 | return do_trans_count(sv); |
4757a243 |
464 | |
465 | default: |
01ec43d0 |
466 | if (hasutf) |
036b4402 |
467 | return do_trans_complex_utf8(sv); |
4757a243 |
468 | else |
036b4402 |
469 | return do_trans_complex(sv); |
79072805 |
470 | } |
79072805 |
471 | } |
472 | |
473 | void |
864dbfa3 |
474 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 |
475 | { |
476 | SV **oldmark = mark; |
477 | register I32 items = sp - mark; |
79072805 |
478 | register STRLEN len; |
463ee0b2 |
479 | STRLEN delimlen; |
480 | register char *delim = SvPV(del, delimlen); |
481 | STRLEN tmplen; |
79072805 |
482 | |
483 | mark++; |
484 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); |
07f14f54 |
485 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 |
486 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
487 | while (items-- > 0) { |
48c036b1 |
488 | if (*mark && !SvGMAGICAL(*mark) && SvOK(*mark)) { |
463ee0b2 |
489 | SvPV(*mark, tmplen); |
490 | len += tmplen; |
79072805 |
491 | } |
492 | mark++; |
493 | } |
494 | SvGROW(sv, len + 1); /* so try to pre-extend */ |
495 | |
496 | mark = oldmark; |
db7c17d7 |
497 | items = sp - mark; |
79072805 |
498 | ++mark; |
499 | } |
500 | |
463ee0b2 |
501 | if (items-- > 0) { |
8990e307 |
502 | char *s; |
503 | |
92d29cee |
504 | sv_setpv(sv, ""); |
505 | if (*mark) |
506 | sv_catsv(sv, *mark); |
463ee0b2 |
507 | mark++; |
508 | } |
79072805 |
509 | else |
510 | sv_setpv(sv,""); |
511 | len = delimlen; |
512 | if (len) { |
513 | for (; items > 0; items--,mark++) { |
514 | sv_catpvn(sv,delim,len); |
515 | sv_catsv(sv,*mark); |
516 | } |
517 | } |
518 | else { |
519 | for (; items > 0; items--,mark++) |
520 | sv_catsv(sv,*mark); |
521 | } |
522 | SvSETMAGIC(sv); |
523 | } |
524 | |
525 | void |
864dbfa3 |
526 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 |
527 | { |
46fc3d4c |
528 | STRLEN patlen; |
529 | char *pat = SvPV(*sarg, patlen); |
530 | bool do_taint = FALSE; |
531 | |
532 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
79072805 |
533 | SvSETMAGIC(sv); |
46fc3d4c |
534 | if (do_taint) |
535 | SvTAINTED_on(sv); |
79072805 |
536 | } |
537 | |
4ebbc975 |
538 | /* XXX SvUTF8 support missing! */ |
81e118e0 |
539 | UV |
540 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) |
541 | { |
542 | STRLEN srclen, len; |
543 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); |
544 | UV retnum = 0; |
545 | |
a50d7633 |
546 | if (offset < 0) |
81e118e0 |
547 | return retnum; |
a50d7633 |
548 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
549 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
81e118e0 |
550 | offset *= size; /* turn into bit offset */ |
551 | len = (offset + size + 7) / 8; /* required number of bytes */ |
552 | if (len > srclen) { |
553 | if (size <= 8) |
554 | retnum = 0; |
555 | else { |
556 | offset >>= 3; /* turn into byte offset */ |
557 | if (size == 16) { |
558 | if (offset >= srclen) |
559 | retnum = 0; |
560 | else |
628e1a40 |
561 | retnum = (UV) s[offset] << 8; |
81e118e0 |
562 | } |
563 | else if (size == 32) { |
564 | if (offset >= srclen) |
565 | retnum = 0; |
566 | else if (offset + 1 >= srclen) |
567 | retnum = |
568 | ((UV) s[offset ] << 24); |
569 | else if (offset + 2 >= srclen) |
570 | retnum = |
571 | ((UV) s[offset ] << 24) + |
572 | ((UV) s[offset + 1] << 16); |
573 | else |
574 | retnum = |
575 | ((UV) s[offset ] << 24) + |
576 | ((UV) s[offset + 1] << 16) + |
577 | ( s[offset + 2] << 8); |
578 | } |
d7d93a81 |
579 | #ifdef UV_IS_QUAD |
c5a0f51a |
580 | else if (size == 64) { |
581 | dTHR; |
582 | if (ckWARN(WARN_PORTABLE)) |
583 | Perl_warner(aTHX_ WARN_PORTABLE, |
584 | "Bit vector size > 32 non-portable"); |
585 | if (offset >= srclen) |
586 | retnum = 0; |
587 | else if (offset + 1 >= srclen) |
588 | retnum = |
589 | (UV) s[offset ] << 56; |
590 | else if (offset + 2 >= srclen) |
591 | retnum = |
592 | ((UV) s[offset ] << 56) + |
593 | ((UV) s[offset + 1] << 48); |
594 | else if (offset + 3 >= srclen) |
595 | retnum = |
596 | ((UV) s[offset ] << 56) + |
597 | ((UV) s[offset + 1] << 48) + |
598 | ((UV) s[offset + 2] << 40); |
599 | else if (offset + 4 >= srclen) |
600 | retnum = |
601 | ((UV) s[offset ] << 56) + |
602 | ((UV) s[offset + 1] << 48) + |
603 | ((UV) s[offset + 2] << 40) + |
604 | ((UV) s[offset + 3] << 32); |
605 | else if (offset + 5 >= srclen) |
606 | retnum = |
607 | ((UV) s[offset ] << 56) + |
608 | ((UV) s[offset + 1] << 48) + |
609 | ((UV) s[offset + 2] << 40) + |
610 | ((UV) s[offset + 3] << 32) + |
611 | ( s[offset + 4] << 24); |
612 | else if (offset + 6 >= srclen) |
613 | retnum = |
614 | ((UV) s[offset ] << 56) + |
615 | ((UV) s[offset + 1] << 48) + |
616 | ((UV) s[offset + 2] << 40) + |
617 | ((UV) s[offset + 3] << 32) + |
618 | ((UV) s[offset + 4] << 24) + |
619 | ((UV) s[offset + 5] << 16); |
620 | else |
621 | retnum = |
622 | ((UV) s[offset ] << 56) + |
623 | ((UV) s[offset + 1] << 48) + |
624 | ((UV) s[offset + 2] << 40) + |
625 | ((UV) s[offset + 3] << 32) + |
626 | ((UV) s[offset + 4] << 24) + |
627 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
628 | ( s[offset + 6] << 8); |
c5a0f51a |
629 | } |
630 | #endif |
81e118e0 |
631 | } |
632 | } |
633 | else if (size < 8) |
634 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
635 | else { |
636 | offset >>= 3; /* turn into byte offset */ |
637 | if (size == 8) |
638 | retnum = s[offset]; |
639 | else if (size == 16) |
640 | retnum = |
628e1a40 |
641 | ((UV) s[offset] << 8) + |
81e118e0 |
642 | s[offset + 1]; |
643 | else if (size == 32) |
644 | retnum = |
645 | ((UV) s[offset ] << 24) + |
646 | ((UV) s[offset + 1] << 16) + |
647 | ( s[offset + 2] << 8) + |
648 | s[offset + 3]; |
d7d93a81 |
649 | #ifdef UV_IS_QUAD |
c5a0f51a |
650 | else if (size == 64) { |
651 | dTHR; |
652 | if (ckWARN(WARN_PORTABLE)) |
653 | Perl_warner(aTHX_ WARN_PORTABLE, |
654 | "Bit vector size > 32 non-portable"); |
655 | retnum = |
656 | ((UV) s[offset ] << 56) + |
657 | ((UV) s[offset + 1] << 48) + |
658 | ((UV) s[offset + 2] << 40) + |
659 | ((UV) s[offset + 3] << 32) + |
660 | ((UV) s[offset + 4] << 24) + |
661 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
662 | ( s[offset + 6] << 8) + |
c5a0f51a |
663 | s[offset + 7]; |
664 | } |
665 | #endif |
81e118e0 |
666 | } |
667 | |
668 | return retnum; |
669 | } |
670 | |
4ebbc975 |
671 | /* XXX SvUTF8 support missing! */ |
79072805 |
672 | void |
864dbfa3 |
673 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 |
674 | { |
675 | SV *targ = LvTARG(sv); |
676 | register I32 offset; |
677 | register I32 size; |
8990e307 |
678 | register unsigned char *s; |
81e118e0 |
679 | register UV lval; |
79072805 |
680 | I32 mask; |
a0d0e21e |
681 | STRLEN targlen; |
682 | STRLEN len; |
79072805 |
683 | |
8990e307 |
684 | if (!targ) |
685 | return; |
a0d0e21e |
686 | s = (unsigned char*)SvPV_force(targ, targlen); |
4ebbc975 |
687 | (void)SvPOK_only(targ); |
81e118e0 |
688 | lval = SvUV(sv); |
79072805 |
689 | offset = LvTARGOFF(sv); |
690 | size = LvTARGLEN(sv); |
a50d7633 |
691 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
692 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
a0d0e21e |
693 | |
81e118e0 |
694 | offset *= size; /* turn into bit offset */ |
695 | len = (offset + size + 7) / 8; /* required number of bytes */ |
a0d0e21e |
696 | if (len > targlen) { |
697 | s = (unsigned char*)SvGROW(targ, len + 1); |
12ae5dfc |
698 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e |
699 | SvCUR_set(targ, len); |
700 | } |
701 | |
79072805 |
702 | if (size < 8) { |
703 | mask = (1 << size) - 1; |
704 | size = offset & 7; |
705 | lval &= mask; |
81e118e0 |
706 | offset >>= 3; /* turn into byte offset */ |
79072805 |
707 | s[offset] &= ~(mask << size); |
708 | s[offset] |= lval << size; |
709 | } |
710 | else { |
81e118e0 |
711 | offset >>= 3; /* turn into byte offset */ |
79072805 |
712 | if (size == 8) |
c5a0f51a |
713 | s[offset ] = lval & 0xff; |
79072805 |
714 | else if (size == 16) { |
c5a0f51a |
715 | s[offset ] = (lval >> 8) & 0xff; |
716 | s[offset+1] = lval & 0xff; |
79072805 |
717 | } |
718 | else if (size == 32) { |
c5a0f51a |
719 | s[offset ] = (lval >> 24) & 0xff; |
720 | s[offset+1] = (lval >> 16) & 0xff; |
721 | s[offset+2] = (lval >> 8) & 0xff; |
722 | s[offset+3] = lval & 0xff; |
723 | } |
d7d93a81 |
724 | #ifdef UV_IS_QUAD |
c5a0f51a |
725 | else if (size == 64) { |
726 | dTHR; |
727 | if (ckWARN(WARN_PORTABLE)) |
728 | Perl_warner(aTHX_ WARN_PORTABLE, |
729 | "Bit vector size > 32 non-portable"); |
730 | s[offset ] = (lval >> 56) & 0xff; |
731 | s[offset+1] = (lval >> 48) & 0xff; |
732 | s[offset+2] = (lval >> 40) & 0xff; |
733 | s[offset+3] = (lval >> 32) & 0xff; |
734 | s[offset+4] = (lval >> 24) & 0xff; |
735 | s[offset+5] = (lval >> 16) & 0xff; |
736 | s[offset+6] = (lval >> 8) & 0xff; |
737 | s[offset+7] = lval & 0xff; |
79072805 |
738 | } |
dc1e3f56 |
739 | #endif |
79072805 |
740 | } |
7bb043c3 |
741 | SvSETMAGIC(targ); |
79072805 |
742 | } |
743 | |
744 | void |
864dbfa3 |
745 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 |
746 | { |
463ee0b2 |
747 | STRLEN len; |
a0d0e21e |
748 | char *s; |
c485e607 |
749 | dTHR; |
a0d0e21e |
750 | |
79072805 |
751 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e |
752 | register I32 i; |
753 | I32 max; |
754 | AV* av = (AV*)sv; |
755 | max = AvFILL(av); |
756 | for (i = 0; i <= max; i++) { |
757 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
758 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
759 | do_chop(astr, sv); |
760 | } |
761 | return; |
79072805 |
762 | } |
aa854799 |
763 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
764 | HV* hv = (HV*)sv; |
765 | HE* entry; |
766 | (void)hv_iterinit(hv); |
767 | /*SUPPRESS 560*/ |
155aba94 |
768 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
769 | do_chop(astr,hv_iterval(hv,entry)); |
770 | return; |
79072805 |
771 | } |
aa854799 |
772 | else if (SvREADONLY(sv)) |
cea2e8a9 |
773 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
774 | s = SvPV(sv, len); |
748a9306 |
775 | if (len && !SvPOK(sv)) |
a0d0e21e |
776 | s = SvPV_force(sv, len); |
7e2040f0 |
777 | if (DO_UTF8(sv)) { |
a0ed51b3 |
778 | if (s && len) { |
779 | char *send = s + len; |
780 | char *start = s; |
781 | s = send - 1; |
782 | while ((*s & 0xc0) == 0x80) |
783 | --s; |
0453d815 |
784 | if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8)) |
785 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); |
a0ed51b3 |
786 | sv_setpvn(astr, s, send - s); |
787 | *s = '\0'; |
788 | SvCUR_set(sv, s - start); |
789 | SvNIOK_off(sv); |
7e2040f0 |
790 | SvUTF8_on(astr); |
a0ed51b3 |
791 | } |
792 | else |
793 | sv_setpvn(astr, "", 0); |
794 | } |
7e2040f0 |
795 | else if (s && len) { |
a0d0e21e |
796 | s += --len; |
797 | sv_setpvn(astr, s, 1); |
798 | *s = '\0'; |
799 | SvCUR_set(sv, len); |
2c19a612 |
800 | SvUTF8_off(sv); |
a0d0e21e |
801 | SvNIOK_off(sv); |
79072805 |
802 | } |
803 | else |
a0d0e21e |
804 | sv_setpvn(astr, "", 0); |
805 | SvSETMAGIC(sv); |
7e2040f0 |
806 | } |
a0d0e21e |
807 | |
808 | I32 |
864dbfa3 |
809 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e |
810 | { |
aeea060c |
811 | dTHR; |
c07a80fd |
812 | register I32 count; |
a0d0e21e |
813 | STRLEN len; |
814 | char *s; |
c07a80fd |
815 | |
3280af22 |
816 | if (RsSNARF(PL_rs)) |
c07a80fd |
817 | return 0; |
4c5a6083 |
818 | if (RsRECORD(PL_rs)) |
819 | return 0; |
c07a80fd |
820 | count = 0; |
a0d0e21e |
821 | if (SvTYPE(sv) == SVt_PVAV) { |
822 | register I32 i; |
823 | I32 max; |
824 | AV* av = (AV*)sv; |
825 | max = AvFILL(av); |
826 | for (i = 0; i <= max; i++) { |
827 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
828 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
829 | count += do_chomp(sv); |
830 | } |
831 | return count; |
832 | } |
aa854799 |
833 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
834 | HV* hv = (HV*)sv; |
835 | HE* entry; |
836 | (void)hv_iterinit(hv); |
837 | /*SUPPRESS 560*/ |
155aba94 |
838 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
839 | count += do_chomp(hv_iterval(hv,entry)); |
840 | return count; |
841 | } |
aa854799 |
842 | else if (SvREADONLY(sv)) |
cea2e8a9 |
843 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
844 | s = SvPV(sv, len); |
845 | if (len && !SvPOKp(sv)) |
846 | s = SvPV_force(sv, len); |
847 | if (s && len) { |
848 | s += --len; |
3280af22 |
849 | if (RsPARA(PL_rs)) { |
a0d0e21e |
850 | if (*s != '\n') |
851 | goto nope; |
852 | ++count; |
853 | while (len && s[-1] == '\n') { |
854 | --len; |
855 | --s; |
856 | ++count; |
857 | } |
858 | } |
a0d0e21e |
859 | else { |
c07a80fd |
860 | STRLEN rslen; |
3280af22 |
861 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd |
862 | if (rslen == 1) { |
863 | if (*s != *rsptr) |
864 | goto nope; |
865 | ++count; |
866 | } |
867 | else { |
8c2cee6f |
868 | if (len < rslen - 1) |
c07a80fd |
869 | goto nope; |
870 | len -= rslen - 1; |
871 | s -= rslen - 1; |
36477c24 |
872 | if (memNE(s, rsptr, rslen)) |
c07a80fd |
873 | goto nope; |
874 | count += rslen; |
875 | } |
a0d0e21e |
876 | } |
a0d0e21e |
877 | *s = '\0'; |
878 | SvCUR_set(sv, len); |
879 | SvNIOK_off(sv); |
880 | } |
881 | nope: |
882 | SvSETMAGIC(sv); |
883 | return count; |
884 | } |
79072805 |
885 | |
886 | void |
864dbfa3 |
887 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 |
888 | { |
aeea060c |
889 | dTHR; /* just for taint */ |
79072805 |
890 | #ifdef LIBERAL |
891 | register long *dl; |
892 | register long *ll; |
893 | register long *rl; |
894 | #endif |
895 | register char *dc; |
463ee0b2 |
896 | STRLEN leftlen; |
897 | STRLEN rightlen; |
7a4c00b4 |
898 | register char *lc; |
899 | register char *rc; |
79072805 |
900 | register I32 len; |
a0d0e21e |
901 | I32 lensave; |
7a4c00b4 |
902 | char *lsave; |
903 | char *rsave; |
0c57e439 |
904 | bool left_utf = DO_UTF8(left); |
905 | bool right_utf = DO_UTF8(right); |
c9b3c8d0 |
906 | I32 needlen; |
0c57e439 |
907 | |
908 | if (left_utf && !right_utf) |
909 | sv_utf8_upgrade(right); |
910 | if (!left_utf && right_utf) |
911 | sv_utf8_upgrade(left); |
79072805 |
912 | |
1fbd88dc |
913 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
914 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ |
7a4c00b4 |
915 | lsave = lc = SvPV(left, leftlen); |
916 | rsave = rc = SvPV(right, rightlen); |
93a17b20 |
917 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e |
918 | lensave = len; |
c9b3c8d0 |
919 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
920 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; |
921 | Newz(801, dc, needlen + 1, char); |
922 | } |
923 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
2d8e6c8d |
924 | STRLEN n_a; |
925 | dc = SvPV_force(sv, n_a); |
ff68c719 |
926 | if (SvCUR(sv) < len) { |
927 | dc = SvGROW(sv, len + 1); |
928 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
929 | } |
c9b3c8d0 |
930 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
931 | dc = SvGROW(sv, leftlen + rightlen + 1); |
ff68c719 |
932 | } |
933 | else { |
c9b3c8d0 |
934 | needlen = ((optype == OP_BIT_AND) |
935 | ? len : (leftlen > rightlen ? leftlen : rightlen)); |
ff68c719 |
936 | Newz(801, dc, needlen + 1, char); |
937 | (void)sv_usepvn(sv, dc, needlen); |
938 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 |
939 | } |
a0d0e21e |
940 | SvCUR_set(sv, len); |
941 | (void)SvPOK_only(sv); |
0c57e439 |
942 | if (left_utf || right_utf) { |
943 | UV duc, luc, ruc; |
c9b3c8d0 |
944 | char *dcsave = dc; |
0c57e439 |
945 | STRLEN lulen = leftlen; |
946 | STRLEN rulen = rightlen; |
0c57e439 |
947 | I32 ulen; |
948 | |
949 | switch (optype) { |
950 | case OP_BIT_AND: |
951 | while (lulen && rulen) { |
952 | luc = utf8_to_uv((U8*)lc, &ulen); |
953 | lc += ulen; |
954 | lulen -= ulen; |
955 | ruc = utf8_to_uv((U8*)rc, &ulen); |
956 | rc += ulen; |
957 | rulen -= ulen; |
958 | duc = luc & ruc; |
959 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
960 | } |
c9b3c8d0 |
961 | if (sv == left || sv == right) |
962 | (void)sv_usepvn(sv, dcsave, needlen); |
963 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
964 | break; |
965 | case OP_BIT_XOR: |
966 | while (lulen && rulen) { |
967 | luc = utf8_to_uv((U8*)lc, &ulen); |
968 | lc += ulen; |
969 | lulen -= ulen; |
970 | ruc = utf8_to_uv((U8*)rc, &ulen); |
971 | rc += ulen; |
972 | rulen -= ulen; |
973 | duc = luc ^ ruc; |
974 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
975 | } |
976 | goto mop_up_utf; |
977 | case OP_BIT_OR: |
978 | while (lulen && rulen) { |
979 | luc = utf8_to_uv((U8*)lc, &ulen); |
980 | lc += ulen; |
981 | lulen -= ulen; |
982 | ruc = utf8_to_uv((U8*)rc, &ulen); |
983 | rc += ulen; |
984 | rulen -= ulen; |
985 | duc = luc | ruc; |
986 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
987 | } |
988 | mop_up_utf: |
c9b3c8d0 |
989 | if (sv == left || sv == right) |
990 | (void)sv_usepvn(sv, dcsave, needlen); |
991 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
992 | if (rulen) |
993 | sv_catpvn(sv, rc, rulen); |
994 | else if (lulen) |
995 | sv_catpvn(sv, lc, lulen); |
996 | else |
997 | *SvEND(sv) = '\0'; |
998 | break; |
999 | } |
1000 | SvUTF8_on(sv); |
1001 | goto finish; |
1002 | } |
1003 | else |
79072805 |
1004 | #ifdef LIBERAL |
1005 | if (len >= sizeof(long)*4 && |
1006 | !((long)dc % sizeof(long)) && |
1007 | !((long)lc % sizeof(long)) && |
1008 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ |
1009 | { |
1010 | I32 remainder = len % (sizeof(long)*4); |
1011 | len /= (sizeof(long)*4); |
1012 | |
1013 | dl = (long*)dc; |
1014 | ll = (long*)lc; |
1015 | rl = (long*)rc; |
1016 | |
1017 | switch (optype) { |
1018 | case OP_BIT_AND: |
1019 | while (len--) { |
1020 | *dl++ = *ll++ & *rl++; |
1021 | *dl++ = *ll++ & *rl++; |
1022 | *dl++ = *ll++ & *rl++; |
1023 | *dl++ = *ll++ & *rl++; |
1024 | } |
1025 | break; |
a0d0e21e |
1026 | case OP_BIT_XOR: |
79072805 |
1027 | while (len--) { |
1028 | *dl++ = *ll++ ^ *rl++; |
1029 | *dl++ = *ll++ ^ *rl++; |
1030 | *dl++ = *ll++ ^ *rl++; |
1031 | *dl++ = *ll++ ^ *rl++; |
1032 | } |
1033 | break; |
1034 | case OP_BIT_OR: |
1035 | while (len--) { |
1036 | *dl++ = *ll++ | *rl++; |
1037 | *dl++ = *ll++ | *rl++; |
1038 | *dl++ = *ll++ | *rl++; |
1039 | *dl++ = *ll++ | *rl++; |
1040 | } |
1041 | } |
1042 | |
1043 | dc = (char*)dl; |
1044 | lc = (char*)ll; |
1045 | rc = (char*)rl; |
1046 | |
1047 | len = remainder; |
1048 | } |
1049 | #endif |
a0d0e21e |
1050 | { |
a0d0e21e |
1051 | switch (optype) { |
1052 | case OP_BIT_AND: |
1053 | while (len--) |
1054 | *dc++ = *lc++ & *rc++; |
1055 | break; |
1056 | case OP_BIT_XOR: |
1057 | while (len--) |
1058 | *dc++ = *lc++ ^ *rc++; |
1059 | goto mop_up; |
1060 | case OP_BIT_OR: |
1061 | while (len--) |
1062 | *dc++ = *lc++ | *rc++; |
1063 | mop_up: |
1064 | len = lensave; |
1065 | if (rightlen > len) |
1066 | sv_catpvn(sv, rsave + len, rightlen - len); |
1067 | else if (leftlen > len) |
1068 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 |
1069 | else |
1070 | *SvEND(sv) = '\0'; |
a0d0e21e |
1071 | break; |
1072 | } |
79072805 |
1073 | } |
0c57e439 |
1074 | finish: |
fb73857a |
1075 | SvTAINT(sv); |
79072805 |
1076 | } |
463ee0b2 |
1077 | |
1078 | OP * |
cea2e8a9 |
1079 | Perl_do_kv(pTHX) |
463ee0b2 |
1080 | { |
4e35701f |
1081 | djSP; |
463ee0b2 |
1082 | HV *hv = (HV*)POPs; |
800e9ae0 |
1083 | HV *keys; |
463ee0b2 |
1084 | register HE *entry; |
463ee0b2 |
1085 | SV *tmpstr; |
54310121 |
1086 | I32 gimme = GIMME_V; |
533c011a |
1087 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1088 | I32 dovalues = (PL_op->op_type == OP_VALUES); |
c750a3ec |
1089 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
1090 | |
533c011a |
1091 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e |
1092 | dokeys = dovalues = TRUE; |
463ee0b2 |
1093 | |
85581909 |
1094 | if (!hv) { |
533c011a |
1095 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1096 | dTARGET; /* make sure to clear its target here */ |
1097 | if (SvTYPE(TARG) == SVt_PVLV) |
1098 | LvTARG(TARG) = Nullsv; |
1099 | PUSHs(TARG); |
1100 | } |
463ee0b2 |
1101 | RETURN; |
85581909 |
1102 | } |
748a9306 |
1103 | |
800e9ae0 |
1104 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1105 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 |
1106 | |
54310121 |
1107 | if (gimme == G_VOID) |
aa689395 |
1108 | RETURN; |
1109 | |
54310121 |
1110 | if (gimme == G_SCALAR) { |
6ee623d5 |
1111 | IV i; |
463ee0b2 |
1112 | dTARGET; |
1113 | |
533c011a |
1114 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1115 | if (SvTYPE(TARG) < SVt_PVLV) { |
1116 | sv_upgrade(TARG, SVt_PVLV); |
1117 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); |
1118 | } |
1119 | LvTYPE(TARG) = 'k'; |
800e9ae0 |
1120 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 |
1121 | if (LvTARG(TARG)) |
1122 | SvREFCNT_dec(LvTARG(TARG)); |
800e9ae0 |
1123 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 |
1124 | } |
85581909 |
1125 | PUSHs(TARG); |
1126 | RETURN; |
1127 | } |
1128 | |
33c27489 |
1129 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 |
1130 | i = HvKEYS(keys); |
463ee0b2 |
1131 | else { |
1132 | i = 0; |
463ee0b2 |
1133 | /*SUPPRESS 560*/ |
800e9ae0 |
1134 | while (hv_iternext(keys)) i++; |
463ee0b2 |
1135 | } |
1136 | PUSHi( i ); |
1137 | RETURN; |
1138 | } |
1139 | |
8ed4b672 |
1140 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 |
1141 | |
463ee0b2 |
1142 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 |
1143 | while ((entry = hv_iternext(keys))) { |
463ee0b2 |
1144 | SPAGAIN; |
8c2cee6f |
1145 | if (dokeys) |
1146 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 |
1147 | if (dovalues) { |
463ee0b2 |
1148 | PUTBACK; |
b6429b1b |
1149 | tmpstr = realhv ? |
1150 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); |
cea2e8a9 |
1151 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c |
1152 | (unsigned long)HeHASH(entry), |
800e9ae0 |
1153 | HvMAX(keys)+1, |
1154 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 |
1155 | SPAGAIN; |
46fc3d4c |
1156 | XPUSHs(tmpstr); |
463ee0b2 |
1157 | } |
1158 | PUTBACK; |
1159 | } |
1160 | return NORMAL; |
1161 | } |
4e35701f |
1162 | |