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 | |
942e002e |
24 | STATIC I32 |
cea2e8a9 |
25 | S_do_trans_CC_simple(pTHX_ SV *sv) |
79072805 |
26 | { |
11343788 |
27 | dTHR; |
4757a243 |
28 | U8 *s; |
29 | U8 *send; |
30 | I32 matches = 0; |
463ee0b2 |
31 | STRLEN len; |
4757a243 |
32 | short *tbl; |
33 | I32 ch; |
79072805 |
34 | |
4757a243 |
35 | tbl = (short*)cPVOP->op_pv; |
36 | if (!tbl) |
cea2e8a9 |
37 | Perl_croak(aTHX_ "panic: do_trans"); |
a0ed51b3 |
38 | |
4757a243 |
39 | s = (U8*)SvPV(sv, len); |
40 | send = s + len; |
41 | |
42 | while (s < send) { |
43 | if ((ch = tbl[*s]) >= 0) { |
44 | matches++; |
45 | *s = ch; |
79072805 |
46 | } |
4757a243 |
47 | s++; |
48 | } |
49 | SvSETMAGIC(sv); |
50 | |
51 | return matches; |
52 | } |
53 | |
942e002e |
54 | STATIC I32 |
cea2e8a9 |
55 | S_do_trans_CC_count(pTHX_ SV *sv) |
4757a243 |
56 | { |
57 | dTHR; |
58 | U8 *s; |
59 | U8 *send; |
60 | I32 matches = 0; |
61 | STRLEN len; |
62 | short *tbl; |
63 | |
64 | tbl = (short*)cPVOP->op_pv; |
65 | if (!tbl) |
cea2e8a9 |
66 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 |
67 | |
68 | s = (U8*)SvPV(sv, len); |
69 | send = s + len; |
70 | |
71 | while (s < send) { |
72 | if (tbl[*s] >= 0) |
73 | matches++; |
74 | s++; |
75 | } |
76 | |
77 | return matches; |
78 | } |
79 | |
942e002e |
80 | STATIC I32 |
cea2e8a9 |
81 | S_do_trans_CC_complex(pTHX_ SV *sv) |
4757a243 |
82 | { |
83 | dTHR; |
84 | U8 *s; |
85 | U8 *send; |
86 | U8 *d; |
87 | I32 matches = 0; |
88 | STRLEN len; |
89 | short *tbl; |
90 | I32 ch; |
91 | |
92 | tbl = (short*)cPVOP->op_pv; |
93 | if (!tbl) |
cea2e8a9 |
94 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 |
95 | |
96 | s = (U8*)SvPV(sv, len); |
97 | send = s + len; |
98 | |
99 | d = s; |
100 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
101 | U8* p = send; |
102 | |
103 | while (s < send) { |
104 | if ((ch = tbl[*s]) >= 0) { |
105 | *d = ch; |
106 | matches++; |
107 | if (p == d - 1 && *p == *d) |
108 | matches--; |
a0ed51b3 |
109 | else |
4757a243 |
110 | p = d++; |
a0ed51b3 |
111 | } |
4757a243 |
112 | else if (ch == -1) /* -1 is unmapped character */ |
113 | *d++ = *s; /* -2 is delete character */ |
114 | s++; |
a0ed51b3 |
115 | } |
4757a243 |
116 | } |
117 | else { |
118 | while (s < send) { |
119 | if ((ch = tbl[*s]) >= 0) { |
120 | *d = ch; |
121 | matches++; |
122 | d++; |
a0ed51b3 |
123 | } |
4757a243 |
124 | else if (ch == -1) /* -1 is unmapped character */ |
125 | *d++ = *s; /* -2 is delete character */ |
126 | s++; |
5d06d08e |
127 | } |
4757a243 |
128 | } |
129 | matches += send - d; /* account for disappeared chars */ |
130 | *d = '\0'; |
131 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
132 | SvSETMAGIC(sv); |
133 | |
134 | return matches; |
135 | } |
136 | |
942e002e |
137 | STATIC I32 |
cea2e8a9 |
138 | S_do_trans_UU_simple(pTHX_ SV *sv) |
4757a243 |
139 | { |
140 | dTHR; |
141 | U8 *s; |
142 | U8 *send; |
143 | U8 *d; |
144 | I32 matches = 0; |
145 | STRLEN len; |
146 | |
147 | SV* rv = (SV*)cSVOP->op_sv; |
148 | HV* hv = (HV*)SvRV(rv); |
149 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
150 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
151 | UV extra = none + 1; |
152 | UV final; |
153 | UV uv; |
154 | |
155 | s = (U8*)SvPV(sv, len); |
156 | send = s + len; |
157 | |
158 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
159 | if (svp) |
160 | final = SvUV(*svp); |
161 | |
162 | d = s; |
163 | while (s < send) { |
164 | if ((uv = swash_fetch(rv, s)) < none) { |
165 | s += UTF8SKIP(s); |
166 | matches++; |
167 | d = uv_to_utf8(d, uv); |
168 | } |
169 | else if (uv == none) { |
170 | int i; |
171 | for (i = UTF8SKIP(s); i; i--) |
172 | *d++ = *s++; |
173 | } |
174 | else if (uv == extra) { |
175 | s += UTF8SKIP(s); |
176 | matches++; |
177 | d = uv_to_utf8(d, final); |
178 | } |
179 | else |
180 | s += UTF8SKIP(s); |
181 | } |
182 | *d = '\0'; |
183 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
184 | SvSETMAGIC(sv); |
185 | |
186 | return matches; |
187 | } |
188 | |
942e002e |
189 | STATIC I32 |
cea2e8a9 |
190 | S_do_trans_UU_count(pTHX_ SV *sv) |
4757a243 |
191 | { |
192 | dTHR; |
193 | U8 *s; |
194 | U8 *send; |
195 | I32 matches = 0; |
196 | STRLEN len; |
197 | |
198 | SV* rv = (SV*)cSVOP->op_sv; |
199 | HV* hv = (HV*)SvRV(rv); |
200 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
201 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
202 | UV uv; |
203 | |
204 | s = (U8*)SvPV(sv, len); |
205 | send = s + len; |
206 | |
207 | while (s < send) { |
834a4ddd |
208 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 |
209 | matches++; |
834a4ddd |
210 | s += UTF8SKIP(s); |
4757a243 |
211 | } |
212 | |
213 | return matches; |
214 | } |
215 | |
942e002e |
216 | STATIC I32 |
cea2e8a9 |
217 | S_do_trans_UC_simple(pTHX_ SV *sv) |
4757a243 |
218 | { |
219 | dTHR; |
220 | U8 *s; |
221 | U8 *send; |
222 | U8 *d; |
223 | I32 matches = 0; |
224 | STRLEN len; |
225 | |
226 | SV* rv = (SV*)cSVOP->op_sv; |
227 | HV* hv = (HV*)SvRV(rv); |
228 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
229 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
230 | UV extra = none + 1; |
231 | UV final; |
232 | UV uv; |
233 | |
234 | s = (U8*)SvPV(sv, len); |
235 | send = s + len; |
236 | |
237 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
238 | if (svp) |
239 | final = SvUV(*svp); |
240 | |
241 | d = s; |
242 | while (s < send) { |
243 | if ((uv = swash_fetch(rv, s)) < none) { |
244 | s += UTF8SKIP(s); |
245 | matches++; |
246 | *d++ = (U8)uv; |
247 | } |
248 | else if (uv == none) { |
249 | I32 ulen; |
250 | uv = utf8_to_uv(s, &ulen); |
251 | s += ulen; |
252 | *d++ = (U8)uv; |
253 | } |
254 | else if (uv == extra) { |
255 | s += UTF8SKIP(s); |
256 | matches++; |
257 | *d++ = (U8)final; |
258 | } |
259 | else |
260 | s += UTF8SKIP(s); |
261 | } |
262 | *d = '\0'; |
263 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
264 | SvSETMAGIC(sv); |
265 | |
266 | return matches; |
267 | } |
268 | |
942e002e |
269 | STATIC I32 |
cea2e8a9 |
270 | S_do_trans_CU_simple(pTHX_ SV *sv) |
4757a243 |
271 | { |
272 | dTHR; |
273 | U8 *s; |
274 | U8 *send; |
275 | U8 *d; |
276 | U8 *dst; |
277 | I32 matches = 0; |
278 | STRLEN len; |
279 | |
280 | SV* rv = (SV*)cSVOP->op_sv; |
281 | HV* hv = (HV*)SvRV(rv); |
282 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
283 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
284 | UV extra = none + 1; |
285 | UV final; |
286 | UV uv; |
806e7201 |
287 | U8 tmpbuf[UTF8_MAXLEN]; |
4757a243 |
288 | I32 bits = 16; |
289 | |
290 | s = (U8*)SvPV(sv, len); |
291 | send = s + len; |
292 | |
293 | svp = hv_fetch(hv, "BITS", 4, FALSE); |
294 | if (svp) |
295 | bits = (I32)SvIV(*svp); |
296 | |
297 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
298 | if (svp) |
299 | final = SvUV(*svp); |
300 | |
301 | Newz(801, d, len * (bits >> 3) + 1, U8); |
302 | dst = d; |
303 | |
304 | while (s < send) { |
305 | uv = *s++; |
306 | if (uv < 0x80) |
307 | tmpbuf[0] = uv; |
308 | else { |
309 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
310 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
a0ed51b3 |
311 | } |
4757a243 |
312 | |
313 | if ((uv = swash_fetch(rv, tmpbuf)) < none) { |
314 | matches++; |
315 | d = uv_to_utf8(d, uv); |
316 | } |
317 | else if (uv == none) |
318 | d = uv_to_utf8(d, s[-1]); |
319 | else if (uv == extra) { |
320 | matches++; |
321 | d = uv_to_utf8(d, final); |
322 | } |
323 | } |
324 | *d = '\0'; |
325 | sv_usepvn_mg(sv, (char*)dst, d - dst); |
326 | |
327 | return matches; |
328 | } |
329 | |
330 | /* utf-8 to latin-1 */ |
331 | |
942e002e |
332 | STATIC I32 |
cea2e8a9 |
333 | S_do_trans_UC_trivial(pTHX_ SV *sv) |
4757a243 |
334 | { |
335 | dTHR; |
336 | U8 *s; |
337 | U8 *send; |
338 | U8 *d; |
339 | STRLEN len; |
340 | |
341 | s = (U8*)SvPV(sv, len); |
342 | send = s + len; |
343 | |
344 | d = s; |
345 | while (s < send) { |
346 | if (*s < 0x80) |
347 | *d++ = *s++; |
a0ed51b3 |
348 | else { |
4757a243 |
349 | I32 ulen; |
350 | UV uv = utf8_to_uv(s, &ulen); |
351 | s += ulen; |
352 | *d++ = (U8)uv; |
353 | } |
354 | } |
355 | *d = '\0'; |
356 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
357 | SvSETMAGIC(sv); |
a0ed51b3 |
358 | |
4757a243 |
359 | return SvCUR(sv); |
360 | } |
a0ed51b3 |
361 | |
4757a243 |
362 | /* latin-1 to utf-8 */ |
a0ed51b3 |
363 | |
942e002e |
364 | STATIC I32 |
cea2e8a9 |
365 | S_do_trans_CU_trivial(pTHX_ SV *sv) |
4757a243 |
366 | { |
367 | dTHR; |
368 | U8 *s; |
369 | U8 *send; |
370 | U8 *d; |
371 | U8 *dst; |
372 | I32 matches; |
373 | STRLEN len; |
a0ed51b3 |
374 | |
4757a243 |
375 | s = (U8*)SvPV(sv, len); |
376 | send = s + len; |
377 | |
378 | Newz(801, d, len * 2 + 1, U8); |
379 | dst = d; |
380 | |
381 | matches = send - s; |
382 | |
383 | while (s < send) { |
384 | if (*s < 0x80) |
385 | *d++ = *s++; |
386 | else { |
387 | UV uv = *s++; |
388 | *d++ = (( uv >> 6) | 0xc0); |
389 | *d++ = (( uv & 0x3f) | 0x80); |
390 | } |
391 | } |
392 | *d = '\0'; |
393 | sv_usepvn_mg(sv, (char*)dst, d - dst); |
394 | |
395 | return matches; |
396 | } |
397 | |
942e002e |
398 | STATIC I32 |
cea2e8a9 |
399 | S_do_trans_UU_complex(pTHX_ SV *sv) |
4757a243 |
400 | { |
401 | dTHR; |
402 | U8 *s; |
403 | U8 *send; |
404 | U8 *d; |
405 | I32 matches = 0; |
406 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
407 | I32 from_utf = PL_op->op_private & OPpTRANS_FROM_UTF; |
408 | I32 to_utf = PL_op->op_private & OPpTRANS_TO_UTF; |
409 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
410 | SV* rv = (SV*)cSVOP->op_sv; |
411 | HV* hv = (HV*)SvRV(rv); |
412 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
413 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
414 | UV extra = none + 1; |
415 | UV final; |
416 | UV uv; |
417 | STRLEN len; |
418 | U8 *dst; |
419 | |
420 | s = (U8*)SvPV(sv, len); |
421 | send = s + len; |
422 | |
423 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
424 | if (svp) |
425 | final = SvUV(*svp); |
426 | |
427 | if (PL_op->op_private & OPpTRANS_GROWS) { |
428 | I32 bits = 16; |
429 | |
430 | svp = hv_fetch(hv, "BITS", 4, FALSE); |
431 | if (svp) |
432 | bits = (I32)SvIV(*svp); |
433 | |
434 | Newz(801, d, len * (bits >> 3) + 1, U8); |
435 | dst = d; |
436 | } |
437 | else { |
438 | d = s; |
439 | dst = 0; |
440 | } |
441 | |
442 | if (squash) { |
443 | UV puv = 0xfeedface; |
444 | while (s < send) { |
445 | if (from_utf) { |
446 | uv = swash_fetch(rv, s); |
a0ed51b3 |
447 | } |
448 | else { |
4757a243 |
449 | U8 tmpbuf[2]; |
450 | uv = *s++; |
451 | if (uv < 0x80) |
452 | tmpbuf[0] = uv; |
453 | else { |
454 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
455 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
456 | } |
457 | uv = swash_fetch(rv, tmpbuf); |
458 | } |
459 | if (uv < none) { |
460 | matches++; |
461 | if (uv != puv) { |
462 | if (uv >= 0x80 && to_utf) |
463 | d = uv_to_utf8(d, uv); |
464 | else |
465 | *d++ = (U8)uv; |
466 | puv = uv; |
467 | } |
468 | if (from_utf) |
469 | s += UTF8SKIP(s); |
470 | continue; |
471 | } |
472 | else if (uv == none) { /* "none" is unmapped character */ |
473 | if (from_utf) { |
474 | if (*s < 0x80) |
475 | *d++ = *s++; |
476 | else if (to_utf) { |
a0ed51b3 |
477 | int i; |
4757a243 |
478 | for (i = UTF8SKIP(s); i; --i) |
479 | *d++ = *s++; |
a0ed51b3 |
480 | } |
4757a243 |
481 | else { |
482 | I32 ulen; |
483 | *d++ = (U8)utf8_to_uv(s, &ulen); |
484 | s += ulen; |
a0ed51b3 |
485 | } |
a0ed51b3 |
486 | } |
4757a243 |
487 | else { /* must be to_utf only */ |
488 | d = uv_to_utf8(d, s[-1]); |
489 | } |
490 | puv = 0xfeedface; |
491 | continue; |
a0ed51b3 |
492 | } |
4757a243 |
493 | else if (uv == extra && !del) { |
494 | matches++; |
495 | if (uv != puv) { |
496 | if (final >= 0x80 && to_utf) |
497 | d = uv_to_utf8(d, final); |
498 | else |
499 | *d++ = (U8)final; |
500 | puv = final; |
501 | } |
502 | if (from_utf) |
503 | s += UTF8SKIP(s); |
504 | continue; |
505 | } |
506 | matches++; /* "none+1" is delete character */ |
507 | if (from_utf) |
508 | s += UTF8SKIP(s); |
a0ed51b3 |
509 | } |
79072805 |
510 | } |
511 | else { |
4757a243 |
512 | while (s < send) { |
513 | if (from_utf) { |
514 | uv = swash_fetch(rv, s); |
515 | } |
516 | else { |
517 | U8 tmpbuf[2]; |
518 | uv = *s++; |
519 | if (uv < 0x80) |
520 | tmpbuf[0] = uv; |
521 | else { |
522 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
523 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
a0ed51b3 |
524 | } |
4757a243 |
525 | uv = swash_fetch(rv, tmpbuf); |
a0ed51b3 |
526 | } |
4757a243 |
527 | if (uv < none) { |
528 | matches++; |
529 | if (uv >= 0x80 && to_utf) |
530 | d = uv_to_utf8(d, uv); |
531 | else |
532 | *d++ = (U8)uv; |
533 | if (from_utf) |
534 | s += UTF8SKIP(s); |
535 | continue; |
a0ed51b3 |
536 | } |
4757a243 |
537 | else if (uv == none) { /* "none" is unmapped character */ |
538 | if (from_utf) { |
539 | if (*s < 0x80) |
540 | *d++ = *s++; |
541 | else if (to_utf) { |
542 | int i; |
543 | for (i = UTF8SKIP(s); i; --i) |
544 | *d++ = *s++; |
545 | } |
546 | else { |
547 | I32 ulen; |
548 | *d++ = (U8)utf8_to_uv(s, &ulen); |
549 | s += ulen; |
a0ed51b3 |
550 | } |
79072805 |
551 | } |
4757a243 |
552 | else { /* must be to_utf only */ |
553 | d = uv_to_utf8(d, s[-1]); |
554 | } |
555 | continue; |
79072805 |
556 | } |
4757a243 |
557 | else if (uv == extra && !del) { |
558 | matches++; |
559 | if (final >= 0x80 && to_utf) |
560 | d = uv_to_utf8(d, final); |
561 | else |
562 | *d++ = (U8)final; |
563 | if (from_utf) |
564 | s += UTF8SKIP(s); |
565 | continue; |
566 | } |
567 | matches++; /* "none+1" is delete character */ |
568 | if (from_utf) |
569 | s += UTF8SKIP(s); |
79072805 |
570 | } |
4757a243 |
571 | } |
572 | if (dst) |
573 | sv_usepvn(sv, (char*)dst, d - dst); |
574 | else { |
575 | *d = '\0'; |
576 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
577 | } |
578 | SvSETMAGIC(sv); |
579 | |
580 | return matches; |
581 | } |
582 | |
583 | I32 |
864dbfa3 |
584 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 |
585 | { |
46124e9e |
586 | dTHR; |
4757a243 |
587 | STRLEN len; |
588 | |
589 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
cea2e8a9 |
590 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 |
591 | |
592 | (void)SvPV(sv, len); |
593 | if (!len) |
594 | return 0; |
595 | if (!SvPOKp(sv)) |
596 | (void)SvPV_force(sv, len); |
2de7b02f |
597 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
598 | (void)SvPOK_only_UTF8(sv); |
4757a243 |
599 | |
cea2e8a9 |
600 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 |
601 | |
602 | switch (PL_op->op_private & 63) { |
603 | case 0: |
604 | return do_trans_CC_simple(sv); |
605 | |
606 | case OPpTRANS_FROM_UTF: |
607 | return do_trans_UC_simple(sv); |
608 | |
609 | case OPpTRANS_TO_UTF: |
610 | return do_trans_CU_simple(sv); |
611 | |
612 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF: |
613 | return do_trans_UU_simple(sv); |
614 | |
615 | case OPpTRANS_IDENTICAL: |
616 | return do_trans_CC_count(sv); |
617 | |
618 | case OPpTRANS_FROM_UTF|OPpTRANS_IDENTICAL: |
619 | return do_trans_UC_trivial(sv); |
620 | |
621 | case OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: |
622 | return do_trans_CU_trivial(sv); |
623 | |
624 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: |
625 | return do_trans_UU_count(sv); |
626 | |
627 | default: |
628 | if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) |
629 | return do_trans_UU_complex(sv); /* could be UC or CU too */ |
630 | else |
631 | return do_trans_CC_complex(sv); |
79072805 |
632 | } |
79072805 |
633 | } |
634 | |
635 | void |
864dbfa3 |
636 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 |
637 | { |
638 | SV **oldmark = mark; |
639 | register I32 items = sp - mark; |
79072805 |
640 | register STRLEN len; |
463ee0b2 |
641 | STRLEN delimlen; |
642 | register char *delim = SvPV(del, delimlen); |
643 | STRLEN tmplen; |
79072805 |
644 | |
645 | mark++; |
646 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); |
07f14f54 |
647 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 |
648 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
649 | while (items-- > 0) { |
48c036b1 |
650 | if (*mark && !SvGMAGICAL(*mark) && SvOK(*mark)) { |
463ee0b2 |
651 | SvPV(*mark, tmplen); |
652 | len += tmplen; |
79072805 |
653 | } |
654 | mark++; |
655 | } |
656 | SvGROW(sv, len + 1); /* so try to pre-extend */ |
657 | |
658 | mark = oldmark; |
db7c17d7 |
659 | items = sp - mark; |
79072805 |
660 | ++mark; |
661 | } |
662 | |
463ee0b2 |
663 | if (items-- > 0) { |
8990e307 |
664 | char *s; |
665 | |
92d29cee |
666 | sv_setpv(sv, ""); |
667 | if (*mark) |
668 | sv_catsv(sv, *mark); |
463ee0b2 |
669 | mark++; |
670 | } |
79072805 |
671 | else |
672 | sv_setpv(sv,""); |
673 | len = delimlen; |
674 | if (len) { |
675 | for (; items > 0; items--,mark++) { |
676 | sv_catpvn(sv,delim,len); |
677 | sv_catsv(sv,*mark); |
678 | } |
679 | } |
680 | else { |
681 | for (; items > 0; items--,mark++) |
682 | sv_catsv(sv,*mark); |
683 | } |
684 | SvSETMAGIC(sv); |
685 | } |
686 | |
687 | void |
864dbfa3 |
688 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 |
689 | { |
46fc3d4c |
690 | STRLEN patlen; |
691 | char *pat = SvPV(*sarg, patlen); |
692 | bool do_taint = FALSE; |
693 | |
694 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
79072805 |
695 | SvSETMAGIC(sv); |
46fc3d4c |
696 | if (do_taint) |
697 | SvTAINTED_on(sv); |
79072805 |
698 | } |
699 | |
4ebbc975 |
700 | /* XXX SvUTF8 support missing! */ |
81e118e0 |
701 | UV |
702 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) |
703 | { |
704 | STRLEN srclen, len; |
705 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); |
706 | UV retnum = 0; |
707 | |
a50d7633 |
708 | if (offset < 0) |
81e118e0 |
709 | return retnum; |
a50d7633 |
710 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
711 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
81e118e0 |
712 | offset *= size; /* turn into bit offset */ |
713 | len = (offset + size + 7) / 8; /* required number of bytes */ |
714 | if (len > srclen) { |
715 | if (size <= 8) |
716 | retnum = 0; |
717 | else { |
718 | offset >>= 3; /* turn into byte offset */ |
719 | if (size == 16) { |
720 | if (offset >= srclen) |
721 | retnum = 0; |
722 | else |
628e1a40 |
723 | retnum = (UV) s[offset] << 8; |
81e118e0 |
724 | } |
725 | else if (size == 32) { |
726 | if (offset >= srclen) |
727 | retnum = 0; |
728 | else if (offset + 1 >= srclen) |
729 | retnum = |
730 | ((UV) s[offset ] << 24); |
731 | else if (offset + 2 >= srclen) |
732 | retnum = |
733 | ((UV) s[offset ] << 24) + |
734 | ((UV) s[offset + 1] << 16); |
735 | else |
736 | retnum = |
737 | ((UV) s[offset ] << 24) + |
738 | ((UV) s[offset + 1] << 16) + |
739 | ( s[offset + 2] << 8); |
740 | } |
d7d93a81 |
741 | #ifdef UV_IS_QUAD |
c5a0f51a |
742 | else if (size == 64) { |
743 | dTHR; |
744 | if (ckWARN(WARN_PORTABLE)) |
745 | Perl_warner(aTHX_ WARN_PORTABLE, |
746 | "Bit vector size > 32 non-portable"); |
747 | if (offset >= srclen) |
748 | retnum = 0; |
749 | else if (offset + 1 >= srclen) |
750 | retnum = |
751 | (UV) s[offset ] << 56; |
752 | else if (offset + 2 >= srclen) |
753 | retnum = |
754 | ((UV) s[offset ] << 56) + |
755 | ((UV) s[offset + 1] << 48); |
756 | else if (offset + 3 >= srclen) |
757 | retnum = |
758 | ((UV) s[offset ] << 56) + |
759 | ((UV) s[offset + 1] << 48) + |
760 | ((UV) s[offset + 2] << 40); |
761 | else if (offset + 4 >= srclen) |
762 | retnum = |
763 | ((UV) s[offset ] << 56) + |
764 | ((UV) s[offset + 1] << 48) + |
765 | ((UV) s[offset + 2] << 40) + |
766 | ((UV) s[offset + 3] << 32); |
767 | else if (offset + 5 >= srclen) |
768 | retnum = |
769 | ((UV) s[offset ] << 56) + |
770 | ((UV) s[offset + 1] << 48) + |
771 | ((UV) s[offset + 2] << 40) + |
772 | ((UV) s[offset + 3] << 32) + |
773 | ( s[offset + 4] << 24); |
774 | else if (offset + 6 >= srclen) |
775 | retnum = |
776 | ((UV) s[offset ] << 56) + |
777 | ((UV) s[offset + 1] << 48) + |
778 | ((UV) s[offset + 2] << 40) + |
779 | ((UV) s[offset + 3] << 32) + |
780 | ((UV) s[offset + 4] << 24) + |
781 | ((UV) s[offset + 5] << 16); |
782 | else |
783 | retnum = |
784 | ((UV) s[offset ] << 56) + |
785 | ((UV) s[offset + 1] << 48) + |
786 | ((UV) s[offset + 2] << 40) + |
787 | ((UV) s[offset + 3] << 32) + |
788 | ((UV) s[offset + 4] << 24) + |
789 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
790 | ( s[offset + 6] << 8); |
c5a0f51a |
791 | } |
792 | #endif |
81e118e0 |
793 | } |
794 | } |
795 | else if (size < 8) |
796 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
797 | else { |
798 | offset >>= 3; /* turn into byte offset */ |
799 | if (size == 8) |
800 | retnum = s[offset]; |
801 | else if (size == 16) |
802 | retnum = |
628e1a40 |
803 | ((UV) s[offset] << 8) + |
81e118e0 |
804 | s[offset + 1]; |
805 | else if (size == 32) |
806 | retnum = |
807 | ((UV) s[offset ] << 24) + |
808 | ((UV) s[offset + 1] << 16) + |
809 | ( s[offset + 2] << 8) + |
810 | s[offset + 3]; |
d7d93a81 |
811 | #ifdef UV_IS_QUAD |
c5a0f51a |
812 | else if (size == 64) { |
813 | dTHR; |
814 | if (ckWARN(WARN_PORTABLE)) |
815 | Perl_warner(aTHX_ WARN_PORTABLE, |
816 | "Bit vector size > 32 non-portable"); |
817 | retnum = |
818 | ((UV) s[offset ] << 56) + |
819 | ((UV) s[offset + 1] << 48) + |
820 | ((UV) s[offset + 2] << 40) + |
821 | ((UV) s[offset + 3] << 32) + |
822 | ((UV) s[offset + 4] << 24) + |
823 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
824 | ( s[offset + 6] << 8) + |
c5a0f51a |
825 | s[offset + 7]; |
826 | } |
827 | #endif |
81e118e0 |
828 | } |
829 | |
830 | return retnum; |
831 | } |
832 | |
4ebbc975 |
833 | /* XXX SvUTF8 support missing! */ |
79072805 |
834 | void |
864dbfa3 |
835 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 |
836 | { |
837 | SV *targ = LvTARG(sv); |
838 | register I32 offset; |
839 | register I32 size; |
8990e307 |
840 | register unsigned char *s; |
81e118e0 |
841 | register UV lval; |
79072805 |
842 | I32 mask; |
a0d0e21e |
843 | STRLEN targlen; |
844 | STRLEN len; |
79072805 |
845 | |
8990e307 |
846 | if (!targ) |
847 | return; |
a0d0e21e |
848 | s = (unsigned char*)SvPV_force(targ, targlen); |
4ebbc975 |
849 | (void)SvPOK_only(targ); |
81e118e0 |
850 | lval = SvUV(sv); |
79072805 |
851 | offset = LvTARGOFF(sv); |
852 | size = LvTARGLEN(sv); |
a50d7633 |
853 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
854 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
a0d0e21e |
855 | |
81e118e0 |
856 | offset *= size; /* turn into bit offset */ |
857 | len = (offset + size + 7) / 8; /* required number of bytes */ |
a0d0e21e |
858 | if (len > targlen) { |
859 | s = (unsigned char*)SvGROW(targ, len + 1); |
12ae5dfc |
860 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e |
861 | SvCUR_set(targ, len); |
862 | } |
863 | |
79072805 |
864 | if (size < 8) { |
865 | mask = (1 << size) - 1; |
866 | size = offset & 7; |
867 | lval &= mask; |
81e118e0 |
868 | offset >>= 3; /* turn into byte offset */ |
79072805 |
869 | s[offset] &= ~(mask << size); |
870 | s[offset] |= lval << size; |
871 | } |
872 | else { |
81e118e0 |
873 | offset >>= 3; /* turn into byte offset */ |
79072805 |
874 | if (size == 8) |
c5a0f51a |
875 | s[offset ] = lval & 0xff; |
79072805 |
876 | else if (size == 16) { |
c5a0f51a |
877 | s[offset ] = (lval >> 8) & 0xff; |
878 | s[offset+1] = lval & 0xff; |
79072805 |
879 | } |
880 | else if (size == 32) { |
c5a0f51a |
881 | s[offset ] = (lval >> 24) & 0xff; |
882 | s[offset+1] = (lval >> 16) & 0xff; |
883 | s[offset+2] = (lval >> 8) & 0xff; |
884 | s[offset+3] = lval & 0xff; |
885 | } |
d7d93a81 |
886 | #ifdef UV_IS_QUAD |
c5a0f51a |
887 | else if (size == 64) { |
888 | dTHR; |
889 | if (ckWARN(WARN_PORTABLE)) |
890 | Perl_warner(aTHX_ WARN_PORTABLE, |
891 | "Bit vector size > 32 non-portable"); |
892 | s[offset ] = (lval >> 56) & 0xff; |
893 | s[offset+1] = (lval >> 48) & 0xff; |
894 | s[offset+2] = (lval >> 40) & 0xff; |
895 | s[offset+3] = (lval >> 32) & 0xff; |
896 | s[offset+4] = (lval >> 24) & 0xff; |
897 | s[offset+5] = (lval >> 16) & 0xff; |
898 | s[offset+6] = (lval >> 8) & 0xff; |
899 | s[offset+7] = lval & 0xff; |
79072805 |
900 | } |
dc1e3f56 |
901 | #endif |
79072805 |
902 | } |
7bb043c3 |
903 | SvSETMAGIC(targ); |
79072805 |
904 | } |
905 | |
906 | void |
864dbfa3 |
907 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 |
908 | { |
463ee0b2 |
909 | STRLEN len; |
a0d0e21e |
910 | char *s; |
c485e607 |
911 | dTHR; |
a0d0e21e |
912 | |
79072805 |
913 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e |
914 | register I32 i; |
915 | I32 max; |
916 | AV* av = (AV*)sv; |
917 | max = AvFILL(av); |
918 | for (i = 0; i <= max; i++) { |
919 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
920 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
921 | do_chop(astr, sv); |
922 | } |
923 | return; |
79072805 |
924 | } |
aa854799 |
925 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
926 | HV* hv = (HV*)sv; |
927 | HE* entry; |
928 | (void)hv_iterinit(hv); |
929 | /*SUPPRESS 560*/ |
155aba94 |
930 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
931 | do_chop(astr,hv_iterval(hv,entry)); |
932 | return; |
79072805 |
933 | } |
aa854799 |
934 | else if (SvREADONLY(sv)) |
cea2e8a9 |
935 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
936 | s = SvPV(sv, len); |
748a9306 |
937 | if (len && !SvPOK(sv)) |
a0d0e21e |
938 | s = SvPV_force(sv, len); |
7e2040f0 |
939 | if (DO_UTF8(sv)) { |
a0ed51b3 |
940 | if (s && len) { |
941 | char *send = s + len; |
942 | char *start = s; |
943 | s = send - 1; |
944 | while ((*s & 0xc0) == 0x80) |
945 | --s; |
0453d815 |
946 | if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8)) |
947 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); |
a0ed51b3 |
948 | sv_setpvn(astr, s, send - s); |
949 | *s = '\0'; |
950 | SvCUR_set(sv, s - start); |
951 | SvNIOK_off(sv); |
7e2040f0 |
952 | SvUTF8_on(astr); |
a0ed51b3 |
953 | } |
954 | else |
955 | sv_setpvn(astr, "", 0); |
956 | } |
7e2040f0 |
957 | else if (s && len) { |
a0d0e21e |
958 | s += --len; |
959 | sv_setpvn(astr, s, 1); |
960 | *s = '\0'; |
961 | SvCUR_set(sv, len); |
2c19a612 |
962 | SvUTF8_off(sv); |
a0d0e21e |
963 | SvNIOK_off(sv); |
79072805 |
964 | } |
965 | else |
a0d0e21e |
966 | sv_setpvn(astr, "", 0); |
967 | SvSETMAGIC(sv); |
7e2040f0 |
968 | } |
a0d0e21e |
969 | |
970 | I32 |
864dbfa3 |
971 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e |
972 | { |
aeea060c |
973 | dTHR; |
c07a80fd |
974 | register I32 count; |
a0d0e21e |
975 | STRLEN len; |
976 | char *s; |
c07a80fd |
977 | |
3280af22 |
978 | if (RsSNARF(PL_rs)) |
c07a80fd |
979 | return 0; |
4c5a6083 |
980 | if (RsRECORD(PL_rs)) |
981 | return 0; |
c07a80fd |
982 | count = 0; |
a0d0e21e |
983 | if (SvTYPE(sv) == SVt_PVAV) { |
984 | register I32 i; |
985 | I32 max; |
986 | AV* av = (AV*)sv; |
987 | max = AvFILL(av); |
988 | for (i = 0; i <= max; i++) { |
989 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
990 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
991 | count += do_chomp(sv); |
992 | } |
993 | return count; |
994 | } |
aa854799 |
995 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
996 | HV* hv = (HV*)sv; |
997 | HE* entry; |
998 | (void)hv_iterinit(hv); |
999 | /*SUPPRESS 560*/ |
155aba94 |
1000 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
1001 | count += do_chomp(hv_iterval(hv,entry)); |
1002 | return count; |
1003 | } |
aa854799 |
1004 | else if (SvREADONLY(sv)) |
cea2e8a9 |
1005 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
1006 | s = SvPV(sv, len); |
1007 | if (len && !SvPOKp(sv)) |
1008 | s = SvPV_force(sv, len); |
1009 | if (s && len) { |
1010 | s += --len; |
3280af22 |
1011 | if (RsPARA(PL_rs)) { |
a0d0e21e |
1012 | if (*s != '\n') |
1013 | goto nope; |
1014 | ++count; |
1015 | while (len && s[-1] == '\n') { |
1016 | --len; |
1017 | --s; |
1018 | ++count; |
1019 | } |
1020 | } |
a0d0e21e |
1021 | else { |
c07a80fd |
1022 | STRLEN rslen; |
3280af22 |
1023 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd |
1024 | if (rslen == 1) { |
1025 | if (*s != *rsptr) |
1026 | goto nope; |
1027 | ++count; |
1028 | } |
1029 | else { |
8c2cee6f |
1030 | if (len < rslen - 1) |
c07a80fd |
1031 | goto nope; |
1032 | len -= rslen - 1; |
1033 | s -= rslen - 1; |
36477c24 |
1034 | if (memNE(s, rsptr, rslen)) |
c07a80fd |
1035 | goto nope; |
1036 | count += rslen; |
1037 | } |
a0d0e21e |
1038 | } |
a0d0e21e |
1039 | *s = '\0'; |
1040 | SvCUR_set(sv, len); |
1041 | SvNIOK_off(sv); |
1042 | } |
1043 | nope: |
1044 | SvSETMAGIC(sv); |
1045 | return count; |
1046 | } |
79072805 |
1047 | |
1048 | void |
864dbfa3 |
1049 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 |
1050 | { |
aeea060c |
1051 | dTHR; /* just for taint */ |
79072805 |
1052 | #ifdef LIBERAL |
1053 | register long *dl; |
1054 | register long *ll; |
1055 | register long *rl; |
1056 | #endif |
1057 | register char *dc; |
463ee0b2 |
1058 | STRLEN leftlen; |
1059 | STRLEN rightlen; |
7a4c00b4 |
1060 | register char *lc; |
1061 | register char *rc; |
79072805 |
1062 | register I32 len; |
a0d0e21e |
1063 | I32 lensave; |
7a4c00b4 |
1064 | char *lsave; |
1065 | char *rsave; |
0c57e439 |
1066 | bool left_utf = DO_UTF8(left); |
1067 | bool right_utf = DO_UTF8(right); |
1068 | |
1069 | if (left_utf && !right_utf) |
1070 | sv_utf8_upgrade(right); |
1071 | if (!left_utf && right_utf) |
1072 | sv_utf8_upgrade(left); |
79072805 |
1073 | |
1fbd88dc |
1074 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
1075 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ |
7a4c00b4 |
1076 | lsave = lc = SvPV(left, leftlen); |
1077 | rsave = rc = SvPV(right, rightlen); |
93a17b20 |
1078 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e |
1079 | lensave = len; |
7a4c00b4 |
1080 | if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
2d8e6c8d |
1081 | STRLEN n_a; |
1082 | dc = SvPV_force(sv, n_a); |
ff68c719 |
1083 | if (SvCUR(sv) < len) { |
1084 | dc = SvGROW(sv, len + 1); |
1085 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
1086 | } |
1087 | } |
1088 | else { |
1089 | I32 needlen = ((optype == OP_BIT_AND) |
1090 | ? len : (leftlen > rightlen ? leftlen : rightlen)); |
1091 | Newz(801, dc, needlen + 1, char); |
1092 | (void)sv_usepvn(sv, dc, needlen); |
1093 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 |
1094 | } |
a0d0e21e |
1095 | SvCUR_set(sv, len); |
1096 | (void)SvPOK_only(sv); |
0c57e439 |
1097 | if (left_utf || right_utf) { |
1098 | UV duc, luc, ruc; |
1099 | STRLEN lulen = leftlen; |
1100 | STRLEN rulen = rightlen; |
1101 | STRLEN dulen = 0; |
1102 | I32 ulen; |
1103 | |
6b7c0e6e |
1104 | if (optype != OP_BIT_AND) |
1105 | dc = SvGROW(sv, leftlen+rightlen+1); |
1106 | |
0c57e439 |
1107 | switch (optype) { |
1108 | case OP_BIT_AND: |
1109 | while (lulen && rulen) { |
1110 | luc = utf8_to_uv((U8*)lc, &ulen); |
1111 | lc += ulen; |
1112 | lulen -= ulen; |
1113 | ruc = utf8_to_uv((U8*)rc, &ulen); |
1114 | rc += ulen; |
1115 | rulen -= ulen; |
1116 | duc = luc & ruc; |
1117 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1118 | } |
1119 | dulen = dc - SvPVX(sv); |
1120 | SvCUR_set(sv, dulen); |
1121 | break; |
1122 | case OP_BIT_XOR: |
1123 | while (lulen && rulen) { |
1124 | luc = utf8_to_uv((U8*)lc, &ulen); |
1125 | lc += ulen; |
1126 | lulen -= ulen; |
1127 | ruc = utf8_to_uv((U8*)rc, &ulen); |
1128 | rc += ulen; |
1129 | rulen -= ulen; |
1130 | duc = luc ^ ruc; |
1131 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1132 | } |
1133 | goto mop_up_utf; |
1134 | case OP_BIT_OR: |
1135 | while (lulen && rulen) { |
1136 | luc = utf8_to_uv((U8*)lc, &ulen); |
1137 | lc += ulen; |
1138 | lulen -= ulen; |
1139 | ruc = utf8_to_uv((U8*)rc, &ulen); |
1140 | rc += ulen; |
1141 | rulen -= ulen; |
1142 | duc = luc | ruc; |
1143 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1144 | } |
1145 | mop_up_utf: |
1146 | dulen = dc - SvPVX(sv); |
1147 | SvCUR_set(sv, dulen); |
1148 | if (rulen) |
1149 | sv_catpvn(sv, rc, rulen); |
1150 | else if (lulen) |
1151 | sv_catpvn(sv, lc, lulen); |
1152 | else |
1153 | *SvEND(sv) = '\0'; |
1154 | break; |
1155 | } |
1156 | SvUTF8_on(sv); |
1157 | goto finish; |
1158 | } |
1159 | else |
79072805 |
1160 | #ifdef LIBERAL |
1161 | if (len >= sizeof(long)*4 && |
1162 | !((long)dc % sizeof(long)) && |
1163 | !((long)lc % sizeof(long)) && |
1164 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ |
1165 | { |
1166 | I32 remainder = len % (sizeof(long)*4); |
1167 | len /= (sizeof(long)*4); |
1168 | |
1169 | dl = (long*)dc; |
1170 | ll = (long*)lc; |
1171 | rl = (long*)rc; |
1172 | |
1173 | switch (optype) { |
1174 | case OP_BIT_AND: |
1175 | while (len--) { |
1176 | *dl++ = *ll++ & *rl++; |
1177 | *dl++ = *ll++ & *rl++; |
1178 | *dl++ = *ll++ & *rl++; |
1179 | *dl++ = *ll++ & *rl++; |
1180 | } |
1181 | break; |
a0d0e21e |
1182 | case OP_BIT_XOR: |
79072805 |
1183 | while (len--) { |
1184 | *dl++ = *ll++ ^ *rl++; |
1185 | *dl++ = *ll++ ^ *rl++; |
1186 | *dl++ = *ll++ ^ *rl++; |
1187 | *dl++ = *ll++ ^ *rl++; |
1188 | } |
1189 | break; |
1190 | case OP_BIT_OR: |
1191 | while (len--) { |
1192 | *dl++ = *ll++ | *rl++; |
1193 | *dl++ = *ll++ | *rl++; |
1194 | *dl++ = *ll++ | *rl++; |
1195 | *dl++ = *ll++ | *rl++; |
1196 | } |
1197 | } |
1198 | |
1199 | dc = (char*)dl; |
1200 | lc = (char*)ll; |
1201 | rc = (char*)rl; |
1202 | |
1203 | len = remainder; |
1204 | } |
1205 | #endif |
a0d0e21e |
1206 | { |
a0d0e21e |
1207 | switch (optype) { |
1208 | case OP_BIT_AND: |
1209 | while (len--) |
1210 | *dc++ = *lc++ & *rc++; |
1211 | break; |
1212 | case OP_BIT_XOR: |
1213 | while (len--) |
1214 | *dc++ = *lc++ ^ *rc++; |
1215 | goto mop_up; |
1216 | case OP_BIT_OR: |
1217 | while (len--) |
1218 | *dc++ = *lc++ | *rc++; |
1219 | mop_up: |
1220 | len = lensave; |
1221 | if (rightlen > len) |
1222 | sv_catpvn(sv, rsave + len, rightlen - len); |
1223 | else if (leftlen > len) |
1224 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 |
1225 | else |
1226 | *SvEND(sv) = '\0'; |
a0d0e21e |
1227 | break; |
1228 | } |
79072805 |
1229 | } |
0c57e439 |
1230 | finish: |
fb73857a |
1231 | SvTAINT(sv); |
79072805 |
1232 | } |
463ee0b2 |
1233 | |
1234 | OP * |
cea2e8a9 |
1235 | Perl_do_kv(pTHX) |
463ee0b2 |
1236 | { |
4e35701f |
1237 | djSP; |
463ee0b2 |
1238 | HV *hv = (HV*)POPs; |
800e9ae0 |
1239 | HV *keys; |
463ee0b2 |
1240 | register HE *entry; |
463ee0b2 |
1241 | SV *tmpstr; |
54310121 |
1242 | I32 gimme = GIMME_V; |
533c011a |
1243 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1244 | I32 dovalues = (PL_op->op_type == OP_VALUES); |
c750a3ec |
1245 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
1246 | |
533c011a |
1247 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e |
1248 | dokeys = dovalues = TRUE; |
463ee0b2 |
1249 | |
85581909 |
1250 | if (!hv) { |
533c011a |
1251 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1252 | dTARGET; /* make sure to clear its target here */ |
1253 | if (SvTYPE(TARG) == SVt_PVLV) |
1254 | LvTARG(TARG) = Nullsv; |
1255 | PUSHs(TARG); |
1256 | } |
463ee0b2 |
1257 | RETURN; |
85581909 |
1258 | } |
748a9306 |
1259 | |
800e9ae0 |
1260 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1261 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 |
1262 | |
54310121 |
1263 | if (gimme == G_VOID) |
aa689395 |
1264 | RETURN; |
1265 | |
54310121 |
1266 | if (gimme == G_SCALAR) { |
6ee623d5 |
1267 | IV i; |
463ee0b2 |
1268 | dTARGET; |
1269 | |
533c011a |
1270 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1271 | if (SvTYPE(TARG) < SVt_PVLV) { |
1272 | sv_upgrade(TARG, SVt_PVLV); |
1273 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); |
1274 | } |
1275 | LvTYPE(TARG) = 'k'; |
800e9ae0 |
1276 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 |
1277 | if (LvTARG(TARG)) |
1278 | SvREFCNT_dec(LvTARG(TARG)); |
800e9ae0 |
1279 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 |
1280 | } |
85581909 |
1281 | PUSHs(TARG); |
1282 | RETURN; |
1283 | } |
1284 | |
33c27489 |
1285 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 |
1286 | i = HvKEYS(keys); |
463ee0b2 |
1287 | else { |
1288 | i = 0; |
463ee0b2 |
1289 | /*SUPPRESS 560*/ |
800e9ae0 |
1290 | while (hv_iternext(keys)) i++; |
463ee0b2 |
1291 | } |
1292 | PUSHi( i ); |
1293 | RETURN; |
1294 | } |
1295 | |
8ed4b672 |
1296 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 |
1297 | |
463ee0b2 |
1298 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 |
1299 | while ((entry = hv_iternext(keys))) { |
463ee0b2 |
1300 | SPAGAIN; |
8c2cee6f |
1301 | if (dokeys) |
1302 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 |
1303 | if (dovalues) { |
463ee0b2 |
1304 | PUTBACK; |
b6429b1b |
1305 | tmpstr = realhv ? |
1306 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); |
cea2e8a9 |
1307 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c |
1308 | (unsigned long)HeHASH(entry), |
800e9ae0 |
1309 | HvMAX(keys)+1, |
1310 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 |
1311 | SPAGAIN; |
46fc3d4c |
1312 | XPUSHs(tmpstr); |
463ee0b2 |
1313 | } |
1314 | PUTBACK; |
1315 | } |
1316 | return NORMAL; |
1317 | } |
4e35701f |
1318 | |