Commit | Line | Data |
a0d0e21e |
1 | /* doop.c |
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2 | * |
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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 | |
18 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
19 | #include <signal.h> |
20 | #endif |
21 | |
942e002e |
22 | STATIC I32 |
cea2e8a9 |
23 | S_do_trans_CC_simple(pTHX_ SV *sv) |
79072805 |
24 | { |
11343788 |
25 | dTHR; |
4757a243 |
26 | U8 *s; |
27 | U8 *send; |
28 | I32 matches = 0; |
463ee0b2 |
29 | STRLEN len; |
4757a243 |
30 | short *tbl; |
31 | I32 ch; |
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32 | |
4757a243 |
33 | tbl = (short*)cPVOP->op_pv; |
34 | if (!tbl) |
cea2e8a9 |
35 | Perl_croak(aTHX_ "panic: do_trans"); |
a0ed51b3 |
36 | |
4757a243 |
37 | s = (U8*)SvPV(sv, len); |
38 | send = s + len; |
39 | |
40 | while (s < send) { |
41 | if ((ch = tbl[*s]) >= 0) { |
42 | matches++; |
43 | *s = ch; |
79072805 |
44 | } |
4757a243 |
45 | s++; |
46 | } |
47 | SvSETMAGIC(sv); |
48 | |
49 | return matches; |
50 | } |
51 | |
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52 | STATIC I32 |
cea2e8a9 |
53 | S_do_trans_CC_count(pTHX_ SV *sv) |
4757a243 |
54 | { |
55 | dTHR; |
56 | U8 *s; |
57 | U8 *send; |
58 | I32 matches = 0; |
59 | STRLEN len; |
60 | short *tbl; |
61 | |
62 | tbl = (short*)cPVOP->op_pv; |
63 | if (!tbl) |
cea2e8a9 |
64 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 |
65 | |
66 | s = (U8*)SvPV(sv, len); |
67 | send = s + len; |
68 | |
69 | while (s < send) { |
70 | if (tbl[*s] >= 0) |
71 | matches++; |
72 | s++; |
73 | } |
74 | |
75 | return matches; |
76 | } |
77 | |
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78 | STATIC I32 |
cea2e8a9 |
79 | S_do_trans_CC_complex(pTHX_ SV *sv) |
4757a243 |
80 | { |
81 | dTHR; |
82 | U8 *s; |
83 | U8 *send; |
84 | U8 *d; |
85 | I32 matches = 0; |
86 | STRLEN len; |
87 | short *tbl; |
88 | I32 ch; |
89 | |
90 | tbl = (short*)cPVOP->op_pv; |
91 | if (!tbl) |
cea2e8a9 |
92 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 |
93 | |
94 | s = (U8*)SvPV(sv, len); |
95 | send = s + len; |
96 | |
97 | d = s; |
98 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
99 | U8* p = send; |
100 | |
101 | while (s < send) { |
102 | if ((ch = tbl[*s]) >= 0) { |
103 | *d = ch; |
104 | matches++; |
105 | if (p == d - 1 && *p == *d) |
106 | matches--; |
a0ed51b3 |
107 | else |
4757a243 |
108 | p = d++; |
a0ed51b3 |
109 | } |
4757a243 |
110 | else if (ch == -1) /* -1 is unmapped character */ |
111 | *d++ = *s; /* -2 is delete character */ |
112 | s++; |
a0ed51b3 |
113 | } |
4757a243 |
114 | } |
115 | else { |
116 | while (s < send) { |
117 | if ((ch = tbl[*s]) >= 0) { |
118 | *d = ch; |
119 | matches++; |
120 | d++; |
a0ed51b3 |
121 | } |
4757a243 |
122 | else if (ch == -1) /* -1 is unmapped character */ |
123 | *d++ = *s; /* -2 is delete character */ |
124 | s++; |
5d06d08e |
125 | } |
4757a243 |
126 | } |
127 | matches += send - d; /* account for disappeared chars */ |
128 | *d = '\0'; |
129 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
130 | SvSETMAGIC(sv); |
131 | |
132 | return matches; |
133 | } |
134 | |
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135 | STATIC I32 |
cea2e8a9 |
136 | S_do_trans_UU_simple(pTHX_ SV *sv) |
4757a243 |
137 | { |
138 | dTHR; |
139 | U8 *s; |
140 | U8 *send; |
141 | U8 *d; |
142 | I32 matches = 0; |
143 | STRLEN len; |
144 | |
145 | SV* rv = (SV*)cSVOP->op_sv; |
146 | HV* hv = (HV*)SvRV(rv); |
147 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
148 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
149 | UV extra = none + 1; |
150 | UV final; |
151 | UV uv; |
152 | |
153 | s = (U8*)SvPV(sv, len); |
154 | send = s + len; |
155 | |
156 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
157 | if (svp) |
158 | final = SvUV(*svp); |
159 | |
160 | d = s; |
161 | while (s < send) { |
162 | if ((uv = swash_fetch(rv, s)) < none) { |
163 | s += UTF8SKIP(s); |
164 | matches++; |
165 | d = uv_to_utf8(d, uv); |
166 | } |
167 | else if (uv == none) { |
168 | int i; |
169 | for (i = UTF8SKIP(s); i; i--) |
170 | *d++ = *s++; |
171 | } |
172 | else if (uv == extra) { |
173 | s += UTF8SKIP(s); |
174 | matches++; |
175 | d = uv_to_utf8(d, final); |
176 | } |
177 | else |
178 | s += UTF8SKIP(s); |
179 | } |
180 | *d = '\0'; |
181 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
182 | SvSETMAGIC(sv); |
183 | |
184 | return matches; |
185 | } |
186 | |
942e002e |
187 | STATIC I32 |
cea2e8a9 |
188 | S_do_trans_UU_count(pTHX_ SV *sv) |
4757a243 |
189 | { |
190 | dTHR; |
191 | U8 *s; |
192 | U8 *send; |
193 | I32 matches = 0; |
194 | STRLEN len; |
195 | |
196 | SV* rv = (SV*)cSVOP->op_sv; |
197 | HV* hv = (HV*)SvRV(rv); |
198 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
199 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
200 | UV uv; |
201 | |
202 | s = (U8*)SvPV(sv, len); |
203 | send = s + len; |
204 | |
205 | while (s < send) { |
834a4ddd |
206 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 |
207 | matches++; |
834a4ddd |
208 | s += UTF8SKIP(s); |
4757a243 |
209 | } |
210 | |
211 | return matches; |
212 | } |
213 | |
942e002e |
214 | STATIC I32 |
cea2e8a9 |
215 | S_do_trans_UC_simple(pTHX_ SV *sv) |
4757a243 |
216 | { |
217 | dTHR; |
218 | U8 *s; |
219 | U8 *send; |
220 | U8 *d; |
221 | I32 matches = 0; |
222 | STRLEN len; |
223 | |
224 | SV* rv = (SV*)cSVOP->op_sv; |
225 | HV* hv = (HV*)SvRV(rv); |
226 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
227 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
228 | UV extra = none + 1; |
229 | UV final; |
230 | UV uv; |
231 | |
232 | s = (U8*)SvPV(sv, len); |
233 | send = s + len; |
234 | |
235 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
236 | if (svp) |
237 | final = SvUV(*svp); |
238 | |
239 | d = s; |
240 | while (s < send) { |
241 | if ((uv = swash_fetch(rv, s)) < none) { |
242 | s += UTF8SKIP(s); |
243 | matches++; |
244 | *d++ = (U8)uv; |
245 | } |
246 | else if (uv == none) { |
247 | I32 ulen; |
248 | uv = utf8_to_uv(s, &ulen); |
249 | s += ulen; |
250 | *d++ = (U8)uv; |
251 | } |
252 | else if (uv == extra) { |
253 | s += UTF8SKIP(s); |
254 | matches++; |
255 | *d++ = (U8)final; |
256 | } |
257 | else |
258 | s += UTF8SKIP(s); |
259 | } |
260 | *d = '\0'; |
261 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
262 | SvSETMAGIC(sv); |
263 | |
264 | return matches; |
265 | } |
266 | |
942e002e |
267 | STATIC I32 |
cea2e8a9 |
268 | S_do_trans_CU_simple(pTHX_ SV *sv) |
4757a243 |
269 | { |
270 | dTHR; |
271 | U8 *s; |
272 | U8 *send; |
273 | U8 *d; |
274 | U8 *dst; |
275 | I32 matches = 0; |
276 | STRLEN len; |
277 | |
278 | SV* rv = (SV*)cSVOP->op_sv; |
279 | HV* hv = (HV*)SvRV(rv); |
280 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
281 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
282 | UV extra = none + 1; |
283 | UV final; |
284 | UV uv; |
806e7201 |
285 | U8 tmpbuf[UTF8_MAXLEN]; |
4757a243 |
286 | I32 bits = 16; |
287 | |
288 | s = (U8*)SvPV(sv, len); |
289 | send = s + len; |
290 | |
291 | svp = hv_fetch(hv, "BITS", 4, FALSE); |
292 | if (svp) |
293 | bits = (I32)SvIV(*svp); |
294 | |
295 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
296 | if (svp) |
297 | final = SvUV(*svp); |
298 | |
299 | Newz(801, d, len * (bits >> 3) + 1, U8); |
300 | dst = d; |
301 | |
302 | while (s < send) { |
303 | uv = *s++; |
304 | if (uv < 0x80) |
305 | tmpbuf[0] = uv; |
306 | else { |
307 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
308 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
a0ed51b3 |
309 | } |
4757a243 |
310 | |
311 | if ((uv = swash_fetch(rv, tmpbuf)) < none) { |
312 | matches++; |
313 | d = uv_to_utf8(d, uv); |
314 | } |
315 | else if (uv == none) |
316 | d = uv_to_utf8(d, s[-1]); |
317 | else if (uv == extra) { |
318 | matches++; |
319 | d = uv_to_utf8(d, final); |
320 | } |
321 | } |
322 | *d = '\0'; |
323 | sv_usepvn_mg(sv, (char*)dst, d - dst); |
324 | |
325 | return matches; |
326 | } |
327 | |
328 | /* utf-8 to latin-1 */ |
329 | |
942e002e |
330 | STATIC I32 |
cea2e8a9 |
331 | S_do_trans_UC_trivial(pTHX_ SV *sv) |
4757a243 |
332 | { |
333 | dTHR; |
334 | U8 *s; |
335 | U8 *send; |
336 | U8 *d; |
337 | STRLEN len; |
338 | |
339 | s = (U8*)SvPV(sv, len); |
340 | send = s + len; |
341 | |
342 | d = s; |
343 | while (s < send) { |
344 | if (*s < 0x80) |
345 | *d++ = *s++; |
a0ed51b3 |
346 | else { |
4757a243 |
347 | I32 ulen; |
348 | UV uv = utf8_to_uv(s, &ulen); |
349 | s += ulen; |
350 | *d++ = (U8)uv; |
351 | } |
352 | } |
353 | *d = '\0'; |
354 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
355 | SvSETMAGIC(sv); |
a0ed51b3 |
356 | |
4757a243 |
357 | return SvCUR(sv); |
358 | } |
a0ed51b3 |
359 | |
4757a243 |
360 | /* latin-1 to utf-8 */ |
a0ed51b3 |
361 | |
942e002e |
362 | STATIC I32 |
cea2e8a9 |
363 | S_do_trans_CU_trivial(pTHX_ SV *sv) |
4757a243 |
364 | { |
365 | dTHR; |
366 | U8 *s; |
367 | U8 *send; |
368 | U8 *d; |
369 | U8 *dst; |
370 | I32 matches; |
371 | STRLEN len; |
a0ed51b3 |
372 | |
4757a243 |
373 | s = (U8*)SvPV(sv, len); |
374 | send = s + len; |
375 | |
376 | Newz(801, d, len * 2 + 1, U8); |
377 | dst = d; |
378 | |
379 | matches = send - s; |
380 | |
381 | while (s < send) { |
382 | if (*s < 0x80) |
383 | *d++ = *s++; |
384 | else { |
385 | UV uv = *s++; |
386 | *d++ = (( uv >> 6) | 0xc0); |
387 | *d++ = (( uv & 0x3f) | 0x80); |
388 | } |
389 | } |
390 | *d = '\0'; |
391 | sv_usepvn_mg(sv, (char*)dst, d - dst); |
392 | |
393 | return matches; |
394 | } |
395 | |
942e002e |
396 | STATIC I32 |
cea2e8a9 |
397 | S_do_trans_UU_complex(pTHX_ SV *sv) |
4757a243 |
398 | { |
399 | dTHR; |
400 | U8 *s; |
401 | U8 *send; |
402 | U8 *d; |
403 | I32 matches = 0; |
404 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
405 | I32 from_utf = PL_op->op_private & OPpTRANS_FROM_UTF; |
406 | I32 to_utf = PL_op->op_private & OPpTRANS_TO_UTF; |
407 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
408 | SV* rv = (SV*)cSVOP->op_sv; |
409 | HV* hv = (HV*)SvRV(rv); |
410 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
411 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
412 | UV extra = none + 1; |
413 | UV final; |
414 | UV uv; |
415 | STRLEN len; |
416 | U8 *dst; |
417 | |
418 | s = (U8*)SvPV(sv, len); |
419 | send = s + len; |
420 | |
421 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
422 | if (svp) |
423 | final = SvUV(*svp); |
424 | |
425 | if (PL_op->op_private & OPpTRANS_GROWS) { |
426 | I32 bits = 16; |
427 | |
428 | svp = hv_fetch(hv, "BITS", 4, FALSE); |
429 | if (svp) |
430 | bits = (I32)SvIV(*svp); |
431 | |
432 | Newz(801, d, len * (bits >> 3) + 1, U8); |
433 | dst = d; |
434 | } |
435 | else { |
436 | d = s; |
437 | dst = 0; |
438 | } |
439 | |
440 | if (squash) { |
441 | UV puv = 0xfeedface; |
442 | while (s < send) { |
443 | if (from_utf) { |
444 | uv = swash_fetch(rv, s); |
a0ed51b3 |
445 | } |
446 | else { |
4757a243 |
447 | U8 tmpbuf[2]; |
448 | uv = *s++; |
449 | if (uv < 0x80) |
450 | tmpbuf[0] = uv; |
451 | else { |
452 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
453 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
454 | } |
455 | uv = swash_fetch(rv, tmpbuf); |
456 | } |
457 | if (uv < none) { |
458 | matches++; |
459 | if (uv != puv) { |
460 | if (uv >= 0x80 && to_utf) |
461 | d = uv_to_utf8(d, uv); |
462 | else |
463 | *d++ = (U8)uv; |
464 | puv = uv; |
465 | } |
466 | if (from_utf) |
467 | s += UTF8SKIP(s); |
468 | continue; |
469 | } |
470 | else if (uv == none) { /* "none" is unmapped character */ |
471 | if (from_utf) { |
472 | if (*s < 0x80) |
473 | *d++ = *s++; |
474 | else if (to_utf) { |
a0ed51b3 |
475 | int i; |
4757a243 |
476 | for (i = UTF8SKIP(s); i; --i) |
477 | *d++ = *s++; |
a0ed51b3 |
478 | } |
4757a243 |
479 | else { |
480 | I32 ulen; |
481 | *d++ = (U8)utf8_to_uv(s, &ulen); |
482 | s += ulen; |
a0ed51b3 |
483 | } |
a0ed51b3 |
484 | } |
4757a243 |
485 | else { /* must be to_utf only */ |
486 | d = uv_to_utf8(d, s[-1]); |
487 | } |
488 | puv = 0xfeedface; |
489 | continue; |
a0ed51b3 |
490 | } |
4757a243 |
491 | else if (uv == extra && !del) { |
492 | matches++; |
493 | if (uv != puv) { |
494 | if (final >= 0x80 && to_utf) |
495 | d = uv_to_utf8(d, final); |
496 | else |
497 | *d++ = (U8)final; |
498 | puv = final; |
499 | } |
500 | if (from_utf) |
501 | s += UTF8SKIP(s); |
502 | continue; |
503 | } |
504 | matches++; /* "none+1" is delete character */ |
505 | if (from_utf) |
506 | s += UTF8SKIP(s); |
a0ed51b3 |
507 | } |
79072805 |
508 | } |
509 | else { |
4757a243 |
510 | while (s < send) { |
511 | if (from_utf) { |
512 | uv = swash_fetch(rv, s); |
513 | } |
514 | else { |
515 | U8 tmpbuf[2]; |
516 | uv = *s++; |
517 | if (uv < 0x80) |
518 | tmpbuf[0] = uv; |
519 | else { |
520 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
521 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
a0ed51b3 |
522 | } |
4757a243 |
523 | uv = swash_fetch(rv, tmpbuf); |
a0ed51b3 |
524 | } |
4757a243 |
525 | if (uv < none) { |
526 | matches++; |
527 | if (uv >= 0x80 && to_utf) |
528 | d = uv_to_utf8(d, uv); |
529 | else |
530 | *d++ = (U8)uv; |
531 | if (from_utf) |
532 | s += UTF8SKIP(s); |
533 | continue; |
a0ed51b3 |
534 | } |
4757a243 |
535 | else if (uv == none) { /* "none" is unmapped character */ |
536 | if (from_utf) { |
537 | if (*s < 0x80) |
538 | *d++ = *s++; |
539 | else if (to_utf) { |
540 | int i; |
541 | for (i = UTF8SKIP(s); i; --i) |
542 | *d++ = *s++; |
543 | } |
544 | else { |
545 | I32 ulen; |
546 | *d++ = (U8)utf8_to_uv(s, &ulen); |
547 | s += ulen; |
a0ed51b3 |
548 | } |
79072805 |
549 | } |
4757a243 |
550 | else { /* must be to_utf only */ |
551 | d = uv_to_utf8(d, s[-1]); |
552 | } |
553 | continue; |
79072805 |
554 | } |
4757a243 |
555 | else if (uv == extra && !del) { |
556 | matches++; |
557 | if (final >= 0x80 && to_utf) |
558 | d = uv_to_utf8(d, final); |
559 | else |
560 | *d++ = (U8)final; |
561 | if (from_utf) |
562 | s += UTF8SKIP(s); |
563 | continue; |
564 | } |
565 | matches++; /* "none+1" is delete character */ |
566 | if (from_utf) |
567 | s += UTF8SKIP(s); |
79072805 |
568 | } |
4757a243 |
569 | } |
570 | if (dst) |
571 | sv_usepvn(sv, (char*)dst, d - dst); |
572 | else { |
573 | *d = '\0'; |
574 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
575 | } |
576 | SvSETMAGIC(sv); |
577 | |
578 | return matches; |
579 | } |
580 | |
581 | I32 |
864dbfa3 |
582 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 |
583 | { |
46124e9e |
584 | dTHR; |
4757a243 |
585 | STRLEN len; |
586 | |
587 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
cea2e8a9 |
588 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 |
589 | |
590 | (void)SvPV(sv, len); |
591 | if (!len) |
592 | return 0; |
593 | if (!SvPOKp(sv)) |
594 | (void)SvPV_force(sv, len); |
2de7b02f |
595 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
596 | (void)SvPOK_only_UTF8(sv); |
4757a243 |
597 | |
cea2e8a9 |
598 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 |
599 | |
600 | switch (PL_op->op_private & 63) { |
601 | case 0: |
602 | return do_trans_CC_simple(sv); |
603 | |
604 | case OPpTRANS_FROM_UTF: |
605 | return do_trans_UC_simple(sv); |
606 | |
607 | case OPpTRANS_TO_UTF: |
608 | return do_trans_CU_simple(sv); |
609 | |
610 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF: |
611 | return do_trans_UU_simple(sv); |
612 | |
613 | case OPpTRANS_IDENTICAL: |
614 | return do_trans_CC_count(sv); |
615 | |
616 | case OPpTRANS_FROM_UTF|OPpTRANS_IDENTICAL: |
617 | return do_trans_UC_trivial(sv); |
618 | |
619 | case OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: |
620 | return do_trans_CU_trivial(sv); |
621 | |
622 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: |
623 | return do_trans_UU_count(sv); |
624 | |
625 | default: |
626 | if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) |
627 | return do_trans_UU_complex(sv); /* could be UC or CU too */ |
628 | else |
629 | return do_trans_CC_complex(sv); |
79072805 |
630 | } |
79072805 |
631 | } |
632 | |
633 | void |
864dbfa3 |
634 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 |
635 | { |
636 | SV **oldmark = mark; |
637 | register I32 items = sp - mark; |
79072805 |
638 | register STRLEN len; |
463ee0b2 |
639 | STRLEN delimlen; |
640 | register char *delim = SvPV(del, delimlen); |
641 | STRLEN tmplen; |
79072805 |
642 | |
643 | mark++; |
644 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); |
07f14f54 |
645 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 |
646 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
647 | while (items-- > 0) { |
48c036b1 |
648 | if (*mark && !SvGMAGICAL(*mark) && SvOK(*mark)) { |
463ee0b2 |
649 | SvPV(*mark, tmplen); |
650 | len += tmplen; |
79072805 |
651 | } |
652 | mark++; |
653 | } |
654 | SvGROW(sv, len + 1); /* so try to pre-extend */ |
655 | |
656 | mark = oldmark; |
db7c17d7 |
657 | items = sp - mark; |
79072805 |
658 | ++mark; |
659 | } |
660 | |
463ee0b2 |
661 | if (items-- > 0) { |
8990e307 |
662 | char *s; |
663 | |
8dbfaa5d |
664 | sv_setpv(sv, ""); |
665 | if (*mark) |
666 | sv_catsv(sv, *mark); |
463ee0b2 |
667 | mark++; |
668 | } |
79072805 |
669 | else |
670 | sv_setpv(sv,""); |
671 | len = delimlen; |
672 | if (len) { |
673 | for (; items > 0; items--,mark++) { |
674 | sv_catpvn(sv,delim,len); |
675 | sv_catsv(sv,*mark); |
676 | } |
677 | } |
678 | else { |
679 | for (; items > 0; items--,mark++) |
680 | sv_catsv(sv,*mark); |
681 | } |
682 | SvSETMAGIC(sv); |
683 | } |
684 | |
685 | void |
864dbfa3 |
686 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 |
687 | { |
46fc3d4c |
688 | STRLEN patlen; |
689 | char *pat = SvPV(*sarg, patlen); |
690 | bool do_taint = FALSE; |
691 | |
692 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
79072805 |
693 | SvSETMAGIC(sv); |
46fc3d4c |
694 | if (do_taint) |
695 | SvTAINTED_on(sv); |
79072805 |
696 | } |
697 | |
4ebbc975 |
698 | /* XXX SvUTF8 support missing! */ |
81e118e0 |
699 | UV |
700 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) |
701 | { |
702 | STRLEN srclen, len; |
703 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); |
704 | UV retnum = 0; |
705 | |
a50d7633 |
706 | if (offset < 0) |
81e118e0 |
707 | return retnum; |
a50d7633 |
708 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
709 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
81e118e0 |
710 | offset *= size; /* turn into bit offset */ |
711 | len = (offset + size + 7) / 8; /* required number of bytes */ |
712 | if (len > srclen) { |
713 | if (size <= 8) |
714 | retnum = 0; |
715 | else { |
716 | offset >>= 3; /* turn into byte offset */ |
717 | if (size == 16) { |
718 | if (offset >= srclen) |
719 | retnum = 0; |
720 | else |
628e1a40 |
721 | retnum = (UV) s[offset] << 8; |
81e118e0 |
722 | } |
723 | else if (size == 32) { |
724 | if (offset >= srclen) |
725 | retnum = 0; |
726 | else if (offset + 1 >= srclen) |
727 | retnum = |
728 | ((UV) s[offset ] << 24); |
729 | else if (offset + 2 >= srclen) |
730 | retnum = |
731 | ((UV) s[offset ] << 24) + |
732 | ((UV) s[offset + 1] << 16); |
733 | else |
734 | retnum = |
735 | ((UV) s[offset ] << 24) + |
736 | ((UV) s[offset + 1] << 16) + |
737 | ( s[offset + 2] << 8); |
738 | } |
d7d93a81 |
739 | #ifdef UV_IS_QUAD |
c5a0f51a |
740 | else if (size == 64) { |
741 | dTHR; |
742 | if (ckWARN(WARN_PORTABLE)) |
743 | Perl_warner(aTHX_ WARN_PORTABLE, |
744 | "Bit vector size > 32 non-portable"); |
745 | if (offset >= srclen) |
746 | retnum = 0; |
747 | else if (offset + 1 >= srclen) |
748 | retnum = |
749 | (UV) s[offset ] << 56; |
750 | else if (offset + 2 >= srclen) |
751 | retnum = |
752 | ((UV) s[offset ] << 56) + |
753 | ((UV) s[offset + 1] << 48); |
754 | else if (offset + 3 >= srclen) |
755 | retnum = |
756 | ((UV) s[offset ] << 56) + |
757 | ((UV) s[offset + 1] << 48) + |
758 | ((UV) s[offset + 2] << 40); |
759 | else if (offset + 4 >= srclen) |
760 | retnum = |
761 | ((UV) s[offset ] << 56) + |
762 | ((UV) s[offset + 1] << 48) + |
763 | ((UV) s[offset + 2] << 40) + |
764 | ((UV) s[offset + 3] << 32); |
765 | else if (offset + 5 >= srclen) |
766 | retnum = |
767 | ((UV) s[offset ] << 56) + |
768 | ((UV) s[offset + 1] << 48) + |
769 | ((UV) s[offset + 2] << 40) + |
770 | ((UV) s[offset + 3] << 32) + |
771 | ( s[offset + 4] << 24); |
772 | else if (offset + 6 >= srclen) |
773 | retnum = |
774 | ((UV) s[offset ] << 56) + |
775 | ((UV) s[offset + 1] << 48) + |
776 | ((UV) s[offset + 2] << 40) + |
777 | ((UV) s[offset + 3] << 32) + |
778 | ((UV) s[offset + 4] << 24) + |
779 | ((UV) s[offset + 5] << 16); |
780 | else |
781 | retnum = |
782 | ((UV) s[offset ] << 56) + |
783 | ((UV) s[offset + 1] << 48) + |
784 | ((UV) s[offset + 2] << 40) + |
785 | ((UV) s[offset + 3] << 32) + |
786 | ((UV) s[offset + 4] << 24) + |
787 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
788 | ( s[offset + 6] << 8); |
c5a0f51a |
789 | } |
790 | #endif |
81e118e0 |
791 | } |
792 | } |
793 | else if (size < 8) |
794 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
795 | else { |
796 | offset >>= 3; /* turn into byte offset */ |
797 | if (size == 8) |
798 | retnum = s[offset]; |
799 | else if (size == 16) |
800 | retnum = |
628e1a40 |
801 | ((UV) s[offset] << 8) + |
81e118e0 |
802 | s[offset + 1]; |
803 | else if (size == 32) |
804 | retnum = |
805 | ((UV) s[offset ] << 24) + |
806 | ((UV) s[offset + 1] << 16) + |
807 | ( s[offset + 2] << 8) + |
808 | s[offset + 3]; |
d7d93a81 |
809 | #ifdef UV_IS_QUAD |
c5a0f51a |
810 | else if (size == 64) { |
811 | dTHR; |
812 | if (ckWARN(WARN_PORTABLE)) |
813 | Perl_warner(aTHX_ WARN_PORTABLE, |
814 | "Bit vector size > 32 non-portable"); |
815 | retnum = |
816 | ((UV) s[offset ] << 56) + |
817 | ((UV) s[offset + 1] << 48) + |
818 | ((UV) s[offset + 2] << 40) + |
819 | ((UV) s[offset + 3] << 32) + |
820 | ((UV) s[offset + 4] << 24) + |
821 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
822 | ( s[offset + 6] << 8) + |
c5a0f51a |
823 | s[offset + 7]; |
824 | } |
825 | #endif |
81e118e0 |
826 | } |
827 | |
828 | return retnum; |
829 | } |
830 | |
4ebbc975 |
831 | /* XXX SvUTF8 support missing! */ |
79072805 |
832 | void |
864dbfa3 |
833 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 |
834 | { |
835 | SV *targ = LvTARG(sv); |
836 | register I32 offset; |
837 | register I32 size; |
8990e307 |
838 | register unsigned char *s; |
81e118e0 |
839 | register UV lval; |
79072805 |
840 | I32 mask; |
a0d0e21e |
841 | STRLEN targlen; |
842 | STRLEN len; |
79072805 |
843 | |
8990e307 |
844 | if (!targ) |
845 | return; |
a0d0e21e |
846 | s = (unsigned char*)SvPV_force(targ, targlen); |
4ebbc975 |
847 | (void)SvPOK_only(targ); |
81e118e0 |
848 | lval = SvUV(sv); |
79072805 |
849 | offset = LvTARGOFF(sv); |
850 | size = LvTARGLEN(sv); |
a50d7633 |
851 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
852 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
a0d0e21e |
853 | |
81e118e0 |
854 | offset *= size; /* turn into bit offset */ |
855 | len = (offset + size + 7) / 8; /* required number of bytes */ |
a0d0e21e |
856 | if (len > targlen) { |
857 | s = (unsigned char*)SvGROW(targ, len + 1); |
858 | (void)memzero(s + targlen, len - targlen + 1); |
859 | SvCUR_set(targ, len); |
860 | } |
861 | |
79072805 |
862 | if (size < 8) { |
863 | mask = (1 << size) - 1; |
864 | size = offset & 7; |
865 | lval &= mask; |
81e118e0 |
866 | offset >>= 3; /* turn into byte offset */ |
79072805 |
867 | s[offset] &= ~(mask << size); |
868 | s[offset] |= lval << size; |
869 | } |
870 | else { |
81e118e0 |
871 | offset >>= 3; /* turn into byte offset */ |
79072805 |
872 | if (size == 8) |
c5a0f51a |
873 | s[offset ] = lval & 0xff; |
79072805 |
874 | else if (size == 16) { |
c5a0f51a |
875 | s[offset ] = (lval >> 8) & 0xff; |
876 | s[offset+1] = lval & 0xff; |
79072805 |
877 | } |
878 | else if (size == 32) { |
c5a0f51a |
879 | s[offset ] = (lval >> 24) & 0xff; |
880 | s[offset+1] = (lval >> 16) & 0xff; |
881 | s[offset+2] = (lval >> 8) & 0xff; |
882 | s[offset+3] = lval & 0xff; |
883 | } |
d7d93a81 |
884 | #ifdef UV_IS_QUAD |
c5a0f51a |
885 | else if (size == 64) { |
886 | dTHR; |
887 | if (ckWARN(WARN_PORTABLE)) |
888 | Perl_warner(aTHX_ WARN_PORTABLE, |
889 | "Bit vector size > 32 non-portable"); |
890 | s[offset ] = (lval >> 56) & 0xff; |
891 | s[offset+1] = (lval >> 48) & 0xff; |
892 | s[offset+2] = (lval >> 40) & 0xff; |
893 | s[offset+3] = (lval >> 32) & 0xff; |
894 | s[offset+4] = (lval >> 24) & 0xff; |
895 | s[offset+5] = (lval >> 16) & 0xff; |
896 | s[offset+6] = (lval >> 8) & 0xff; |
897 | s[offset+7] = lval & 0xff; |
79072805 |
898 | } |
dc1e3f56 |
899 | #endif |
79072805 |
900 | } |
7bb043c3 |
901 | SvSETMAGIC(targ); |
79072805 |
902 | } |
903 | |
904 | void |
864dbfa3 |
905 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 |
906 | { |
463ee0b2 |
907 | STRLEN len; |
a0d0e21e |
908 | char *s; |
c485e607 |
909 | dTHR; |
a0d0e21e |
910 | |
79072805 |
911 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e |
912 | register I32 i; |
913 | I32 max; |
914 | AV* av = (AV*)sv; |
915 | max = AvFILL(av); |
916 | for (i = 0; i <= max; i++) { |
917 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
918 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
919 | do_chop(astr, sv); |
920 | } |
921 | return; |
79072805 |
922 | } |
aa854799 |
923 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
924 | HV* hv = (HV*)sv; |
925 | HE* entry; |
926 | (void)hv_iterinit(hv); |
927 | /*SUPPRESS 560*/ |
155aba94 |
928 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
929 | do_chop(astr,hv_iterval(hv,entry)); |
930 | return; |
79072805 |
931 | } |
aa854799 |
932 | else if (SvREADONLY(sv)) |
cea2e8a9 |
933 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
934 | s = SvPV(sv, len); |
748a9306 |
935 | if (len && !SvPOK(sv)) |
a0d0e21e |
936 | s = SvPV_force(sv, len); |
7e2040f0 |
937 | if (DO_UTF8(sv)) { |
a0ed51b3 |
938 | if (s && len) { |
939 | char *send = s + len; |
940 | char *start = s; |
941 | s = send - 1; |
942 | while ((*s & 0xc0) == 0x80) |
943 | --s; |
0453d815 |
944 | if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8)) |
945 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); |
a0ed51b3 |
946 | sv_setpvn(astr, s, send - s); |
947 | *s = '\0'; |
948 | SvCUR_set(sv, s - start); |
949 | SvNIOK_off(sv); |
7e2040f0 |
950 | SvUTF8_on(astr); |
a0ed51b3 |
951 | } |
952 | else |
953 | sv_setpvn(astr, "", 0); |
954 | } |
7e2040f0 |
955 | else if (s && len) { |
a0d0e21e |
956 | s += --len; |
957 | sv_setpvn(astr, s, 1); |
958 | *s = '\0'; |
959 | SvCUR_set(sv, len); |
2c19a612 |
960 | SvUTF8_off(sv); |
a0d0e21e |
961 | SvNIOK_off(sv); |
79072805 |
962 | } |
963 | else |
a0d0e21e |
964 | sv_setpvn(astr, "", 0); |
965 | SvSETMAGIC(sv); |
7e2040f0 |
966 | } |
a0d0e21e |
967 | |
968 | I32 |
864dbfa3 |
969 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e |
970 | { |
aeea060c |
971 | dTHR; |
c07a80fd |
972 | register I32 count; |
a0d0e21e |
973 | STRLEN len; |
974 | char *s; |
c07a80fd |
975 | |
3280af22 |
976 | if (RsSNARF(PL_rs)) |
c07a80fd |
977 | return 0; |
4c5a6083 |
978 | if (RsRECORD(PL_rs)) |
979 | return 0; |
c07a80fd |
980 | count = 0; |
a0d0e21e |
981 | if (SvTYPE(sv) == SVt_PVAV) { |
982 | register I32 i; |
983 | I32 max; |
984 | AV* av = (AV*)sv; |
985 | max = AvFILL(av); |
986 | for (i = 0; i <= max; i++) { |
987 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
988 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
989 | count += do_chomp(sv); |
990 | } |
991 | return count; |
992 | } |
aa854799 |
993 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
994 | HV* hv = (HV*)sv; |
995 | HE* entry; |
996 | (void)hv_iterinit(hv); |
997 | /*SUPPRESS 560*/ |
155aba94 |
998 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
999 | count += do_chomp(hv_iterval(hv,entry)); |
1000 | return count; |
1001 | } |
aa854799 |
1002 | else if (SvREADONLY(sv)) |
cea2e8a9 |
1003 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
1004 | s = SvPV(sv, len); |
1005 | if (len && !SvPOKp(sv)) |
1006 | s = SvPV_force(sv, len); |
1007 | if (s && len) { |
1008 | s += --len; |
3280af22 |
1009 | if (RsPARA(PL_rs)) { |
a0d0e21e |
1010 | if (*s != '\n') |
1011 | goto nope; |
1012 | ++count; |
1013 | while (len && s[-1] == '\n') { |
1014 | --len; |
1015 | --s; |
1016 | ++count; |
1017 | } |
1018 | } |
a0d0e21e |
1019 | else { |
c07a80fd |
1020 | STRLEN rslen; |
3280af22 |
1021 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd |
1022 | if (rslen == 1) { |
1023 | if (*s != *rsptr) |
1024 | goto nope; |
1025 | ++count; |
1026 | } |
1027 | else { |
8c2cee6f |
1028 | if (len < rslen - 1) |
c07a80fd |
1029 | goto nope; |
1030 | len -= rslen - 1; |
1031 | s -= rslen - 1; |
36477c24 |
1032 | if (memNE(s, rsptr, rslen)) |
c07a80fd |
1033 | goto nope; |
1034 | count += rslen; |
1035 | } |
a0d0e21e |
1036 | } |
a0d0e21e |
1037 | *s = '\0'; |
1038 | SvCUR_set(sv, len); |
1039 | SvNIOK_off(sv); |
1040 | } |
1041 | nope: |
1042 | SvSETMAGIC(sv); |
1043 | return count; |
1044 | } |
79072805 |
1045 | |
1046 | void |
864dbfa3 |
1047 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 |
1048 | { |
aeea060c |
1049 | dTHR; /* just for taint */ |
79072805 |
1050 | #ifdef LIBERAL |
1051 | register long *dl; |
1052 | register long *ll; |
1053 | register long *rl; |
1054 | #endif |
1055 | register char *dc; |
463ee0b2 |
1056 | STRLEN leftlen; |
1057 | STRLEN rightlen; |
7a4c00b4 |
1058 | register char *lc; |
1059 | register char *rc; |
79072805 |
1060 | register I32 len; |
a0d0e21e |
1061 | I32 lensave; |
7a4c00b4 |
1062 | char *lsave; |
1063 | char *rsave; |
0c57e439 |
1064 | bool left_utf = DO_UTF8(left); |
1065 | bool right_utf = DO_UTF8(right); |
1066 | |
1067 | if (left_utf && !right_utf) |
1068 | sv_utf8_upgrade(right); |
1069 | if (!left_utf && right_utf) |
1070 | sv_utf8_upgrade(left); |
79072805 |
1071 | |
1fbd88dc |
1072 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
1073 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ |
7a4c00b4 |
1074 | lsave = lc = SvPV(left, leftlen); |
1075 | rsave = rc = SvPV(right, rightlen); |
93a17b20 |
1076 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e |
1077 | lensave = len; |
7a4c00b4 |
1078 | if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
2d8e6c8d |
1079 | STRLEN n_a; |
1080 | dc = SvPV_force(sv, n_a); |
ff68c719 |
1081 | if (SvCUR(sv) < len) { |
1082 | dc = SvGROW(sv, len + 1); |
1083 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
1084 | } |
1085 | } |
1086 | else { |
1087 | I32 needlen = ((optype == OP_BIT_AND) |
1088 | ? len : (leftlen > rightlen ? leftlen : rightlen)); |
1089 | Newz(801, dc, needlen + 1, char); |
1090 | (void)sv_usepvn(sv, dc, needlen); |
1091 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 |
1092 | } |
a0d0e21e |
1093 | SvCUR_set(sv, len); |
1094 | (void)SvPOK_only(sv); |
0c57e439 |
1095 | if (left_utf || right_utf) { |
1096 | UV duc, luc, ruc; |
1097 | STRLEN lulen = leftlen; |
1098 | STRLEN rulen = rightlen; |
1099 | STRLEN dulen = 0; |
1100 | I32 ulen; |
1101 | |
6b7c0e6e |
1102 | if (optype != OP_BIT_AND) |
1103 | dc = SvGROW(sv, leftlen+rightlen+1); |
1104 | |
0c57e439 |
1105 | switch (optype) { |
1106 | case OP_BIT_AND: |
1107 | while (lulen && rulen) { |
1108 | luc = utf8_to_uv((U8*)lc, &ulen); |
1109 | lc += ulen; |
1110 | lulen -= ulen; |
1111 | ruc = utf8_to_uv((U8*)rc, &ulen); |
1112 | rc += ulen; |
1113 | rulen -= ulen; |
1114 | duc = luc & ruc; |
1115 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1116 | } |
1117 | dulen = dc - SvPVX(sv); |
1118 | SvCUR_set(sv, dulen); |
1119 | break; |
1120 | case OP_BIT_XOR: |
1121 | while (lulen && rulen) { |
1122 | luc = utf8_to_uv((U8*)lc, &ulen); |
1123 | lc += ulen; |
1124 | lulen -= ulen; |
1125 | ruc = utf8_to_uv((U8*)rc, &ulen); |
1126 | rc += ulen; |
1127 | rulen -= ulen; |
1128 | duc = luc ^ ruc; |
1129 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1130 | } |
1131 | goto mop_up_utf; |
1132 | case OP_BIT_OR: |
1133 | while (lulen && rulen) { |
1134 | luc = utf8_to_uv((U8*)lc, &ulen); |
1135 | lc += ulen; |
1136 | lulen -= ulen; |
1137 | ruc = utf8_to_uv((U8*)rc, &ulen); |
1138 | rc += ulen; |
1139 | rulen -= ulen; |
1140 | duc = luc | ruc; |
1141 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1142 | } |
1143 | mop_up_utf: |
1144 | dulen = dc - SvPVX(sv); |
1145 | SvCUR_set(sv, dulen); |
1146 | if (rulen) |
1147 | sv_catpvn(sv, rc, rulen); |
1148 | else if (lulen) |
1149 | sv_catpvn(sv, lc, lulen); |
1150 | else |
1151 | *SvEND(sv) = '\0'; |
1152 | break; |
1153 | } |
1154 | SvUTF8_on(sv); |
1155 | goto finish; |
1156 | } |
1157 | else |
79072805 |
1158 | #ifdef LIBERAL |
1159 | if (len >= sizeof(long)*4 && |
1160 | !((long)dc % sizeof(long)) && |
1161 | !((long)lc % sizeof(long)) && |
1162 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ |
1163 | { |
1164 | I32 remainder = len % (sizeof(long)*4); |
1165 | len /= (sizeof(long)*4); |
1166 | |
1167 | dl = (long*)dc; |
1168 | ll = (long*)lc; |
1169 | rl = (long*)rc; |
1170 | |
1171 | switch (optype) { |
1172 | case OP_BIT_AND: |
1173 | while (len--) { |
1174 | *dl++ = *ll++ & *rl++; |
1175 | *dl++ = *ll++ & *rl++; |
1176 | *dl++ = *ll++ & *rl++; |
1177 | *dl++ = *ll++ & *rl++; |
1178 | } |
1179 | break; |
a0d0e21e |
1180 | case OP_BIT_XOR: |
79072805 |
1181 | while (len--) { |
1182 | *dl++ = *ll++ ^ *rl++; |
1183 | *dl++ = *ll++ ^ *rl++; |
1184 | *dl++ = *ll++ ^ *rl++; |
1185 | *dl++ = *ll++ ^ *rl++; |
1186 | } |
1187 | break; |
1188 | case OP_BIT_OR: |
1189 | while (len--) { |
1190 | *dl++ = *ll++ | *rl++; |
1191 | *dl++ = *ll++ | *rl++; |
1192 | *dl++ = *ll++ | *rl++; |
1193 | *dl++ = *ll++ | *rl++; |
1194 | } |
1195 | } |
1196 | |
1197 | dc = (char*)dl; |
1198 | lc = (char*)ll; |
1199 | rc = (char*)rl; |
1200 | |
1201 | len = remainder; |
1202 | } |
1203 | #endif |
a0d0e21e |
1204 | { |
a0d0e21e |
1205 | switch (optype) { |
1206 | case OP_BIT_AND: |
1207 | while (len--) |
1208 | *dc++ = *lc++ & *rc++; |
1209 | break; |
1210 | case OP_BIT_XOR: |
1211 | while (len--) |
1212 | *dc++ = *lc++ ^ *rc++; |
1213 | goto mop_up; |
1214 | case OP_BIT_OR: |
1215 | while (len--) |
1216 | *dc++ = *lc++ | *rc++; |
1217 | mop_up: |
1218 | len = lensave; |
1219 | if (rightlen > len) |
1220 | sv_catpvn(sv, rsave + len, rightlen - len); |
1221 | else if (leftlen > len) |
1222 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 |
1223 | else |
1224 | *SvEND(sv) = '\0'; |
a0d0e21e |
1225 | break; |
1226 | } |
79072805 |
1227 | } |
0c57e439 |
1228 | finish: |
fb73857a |
1229 | SvTAINT(sv); |
79072805 |
1230 | } |
463ee0b2 |
1231 | |
1232 | OP * |
cea2e8a9 |
1233 | Perl_do_kv(pTHX) |
463ee0b2 |
1234 | { |
4e35701f |
1235 | djSP; |
463ee0b2 |
1236 | HV *hv = (HV*)POPs; |
800e9ae0 |
1237 | HV *keys; |
463ee0b2 |
1238 | register HE *entry; |
463ee0b2 |
1239 | SV *tmpstr; |
54310121 |
1240 | I32 gimme = GIMME_V; |
533c011a |
1241 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1242 | I32 dovalues = (PL_op->op_type == OP_VALUES); |
c750a3ec |
1243 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
1244 | |
533c011a |
1245 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e |
1246 | dokeys = dovalues = TRUE; |
463ee0b2 |
1247 | |
85581909 |
1248 | if (!hv) { |
533c011a |
1249 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1250 | dTARGET; /* make sure to clear its target here */ |
1251 | if (SvTYPE(TARG) == SVt_PVLV) |
1252 | LvTARG(TARG) = Nullsv; |
1253 | PUSHs(TARG); |
1254 | } |
463ee0b2 |
1255 | RETURN; |
85581909 |
1256 | } |
748a9306 |
1257 | |
800e9ae0 |
1258 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1259 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 |
1260 | |
54310121 |
1261 | if (gimme == G_VOID) |
aa689395 |
1262 | RETURN; |
1263 | |
54310121 |
1264 | if (gimme == G_SCALAR) { |
6ee623d5 |
1265 | IV i; |
463ee0b2 |
1266 | dTARGET; |
1267 | |
533c011a |
1268 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1269 | if (SvTYPE(TARG) < SVt_PVLV) { |
1270 | sv_upgrade(TARG, SVt_PVLV); |
1271 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); |
1272 | } |
1273 | LvTYPE(TARG) = 'k'; |
800e9ae0 |
1274 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 |
1275 | if (LvTARG(TARG)) |
1276 | SvREFCNT_dec(LvTARG(TARG)); |
800e9ae0 |
1277 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 |
1278 | } |
85581909 |
1279 | PUSHs(TARG); |
1280 | RETURN; |
1281 | } |
1282 | |
33c27489 |
1283 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 |
1284 | i = HvKEYS(keys); |
463ee0b2 |
1285 | else { |
1286 | i = 0; |
463ee0b2 |
1287 | /*SUPPRESS 560*/ |
800e9ae0 |
1288 | while (hv_iternext(keys)) i++; |
463ee0b2 |
1289 | } |
1290 | PUSHi( i ); |
1291 | RETURN; |
1292 | } |
1293 | |
8ed4b672 |
1294 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 |
1295 | |
463ee0b2 |
1296 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 |
1297 | while ((entry = hv_iternext(keys))) { |
463ee0b2 |
1298 | SPAGAIN; |
8c2cee6f |
1299 | if (dokeys) |
1300 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 |
1301 | if (dovalues) { |
463ee0b2 |
1302 | PUTBACK; |
b6429b1b |
1303 | tmpstr = realhv ? |
1304 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); |
cea2e8a9 |
1305 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c |
1306 | (unsigned long)HeHASH(entry), |
800e9ae0 |
1307 | HvMAX(keys)+1, |
1308 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 |
1309 | SPAGAIN; |
46fc3d4c |
1310 | XPUSHs(tmpstr); |
463ee0b2 |
1311 | } |
1312 | PUTBACK; |
1313 | } |
1314 | return NORMAL; |
1315 | } |
4e35701f |
1316 | |