Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* doop.c |
79072805 | 2 | * |
4eb8286e | 3 | * Copyright (c) 1991-1999, Larry Wall |
79072805 LW |
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 LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "'So that was the job I felt I had to do when I started,' thought Sam." | |
79072805 LW |
12 | */ |
13 | ||
14 | #include "EXTERN.h" | |
864dbfa3 | 15 | #define PERL_IN_DOOP_C |
79072805 LW |
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 LW |
26 | U8 *s; |
27 | U8 *send; | |
28 | I32 matches = 0; | |
463ee0b2 | 29 | STRLEN len; |
4757a243 LW |
30 | short *tbl; |
31 | I32 ch; | |
79072805 | 32 | |
4757a243 LW |
33 | tbl = (short*)cPVOP->op_pv; |
34 | if (!tbl) | |
cea2e8a9 | 35 | Perl_croak(aTHX_ "panic: do_trans"); |
a0ed51b3 | 36 | |
4757a243 LW |
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 LW |
45 | s++; |
46 | } | |
47 | SvSETMAGIC(sv); | |
48 | ||
49 | return matches; | |
50 | } | |
51 | ||
942e002e | 52 | STATIC I32 |
cea2e8a9 | 53 | S_do_trans_CC_count(pTHX_ SV *sv) |
4757a243 LW |
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 LW |
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 | ||
942e002e | 78 | STATIC I32 |
cea2e8a9 | 79 | S_do_trans_CC_complex(pTHX_ SV *sv) |
4757a243 LW |
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 LW |
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 LW |
110 | else if (ch == -1) /* -1 is unmapped character */ |
111 | *d++ = *s; /* -2 is delete character */ | |
112 | s++; | |
a0ed51b3 | 113 | } |
4757a243 LW |
114 | } |
115 | else { | |
116 | while (s < send) { | |
117 | if ((ch = tbl[*s]) >= 0) { | |
118 | *d = ch; | |
119 | matches++; | |
120 | d++; | |
a0ed51b3 | 121 | } |
4757a243 LW |
122 | else if (ch == -1) /* -1 is unmapped character */ |
123 | *d++ = *s; /* -2 is delete character */ | |
124 | s++; | |
5d06d08e | 125 | } |
4757a243 LW |
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 | ||
942e002e | 135 | STATIC I32 |
cea2e8a9 | 136 | S_do_trans_UU_simple(pTHX_ SV *sv) |
4757a243 LW |
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 LW |
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 LW |
209 | } |
210 | ||
211 | return matches; | |
212 | } | |
213 | ||
942e002e | 214 | STATIC I32 |
cea2e8a9 | 215 | S_do_trans_UC_simple(pTHX_ SV *sv) |
4757a243 LW |
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 LW |
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; | |
285 | U8 tmpbuf[10]; | |
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 LW |
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 LW |
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 LW |
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 LW |
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 LW |
364 | { |
365 | dTHR; | |
366 | U8 *s; | |
367 | U8 *send; | |
368 | U8 *d; | |
369 | U8 *dst; | |
370 | I32 matches; | |
371 | STRLEN len; | |
a0ed51b3 | 372 | |
4757a243 LW |
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 LW |
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 LW |
445 | } |
446 | else { | |
4757a243 LW |
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 LW |
476 | for (i = UTF8SKIP(s); i; --i) |
477 | *d++ = *s++; | |
a0ed51b3 | 478 | } |
4757a243 LW |
479 | else { |
480 | I32 ulen; | |
481 | *d++ = (U8)utf8_to_uv(s, &ulen); | |
482 | s += ulen; | |
a0ed51b3 | 483 | } |
a0ed51b3 | 484 | } |
4757a243 LW |
485 | else { /* must be to_utf only */ |
486 | d = uv_to_utf8(d, s[-1]); | |
487 | } | |
488 | puv = 0xfeedface; | |
489 | continue; | |
a0ed51b3 | 490 | } |
4757a243 LW |
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 LW |
508 | } |
509 | else { | |
4757a243 LW |
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 LW |
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 LW |
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 LW |
550 | else { /* must be to_utf only */ |
551 | d = uv_to_utf8(d, s[-1]); | |
552 | } | |
553 | continue; | |
79072805 | 554 | } |
4757a243 LW |
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 LW |
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 LW |
585 | STRLEN len; |
586 | ||
587 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) | |
cea2e8a9 | 588 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 LW |
589 | |
590 | (void)SvPV(sv, len); | |
591 | if (!len) | |
592 | return 0; | |
593 | if (!SvPOKp(sv)) | |
594 | (void)SvPV_force(sv, len); | |
595 | (void)SvPOK_only(sv); | |
596 | ||
cea2e8a9 | 597 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 LW |
598 | |
599 | switch (PL_op->op_private & 63) { | |
600 | case 0: | |
601 | return do_trans_CC_simple(sv); | |
602 | ||
603 | case OPpTRANS_FROM_UTF: | |
604 | return do_trans_UC_simple(sv); | |
605 | ||
606 | case OPpTRANS_TO_UTF: | |
607 | return do_trans_CU_simple(sv); | |
608 | ||
609 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF: | |
610 | return do_trans_UU_simple(sv); | |
611 | ||
612 | case OPpTRANS_IDENTICAL: | |
613 | return do_trans_CC_count(sv); | |
614 | ||
615 | case OPpTRANS_FROM_UTF|OPpTRANS_IDENTICAL: | |
616 | return do_trans_UC_trivial(sv); | |
617 | ||
618 | case OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: | |
619 | return do_trans_CU_trivial(sv); | |
620 | ||
621 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: | |
622 | return do_trans_UU_count(sv); | |
623 | ||
624 | default: | |
625 | if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) | |
626 | return do_trans_UU_complex(sv); /* could be UC or CU too */ | |
627 | else | |
628 | return do_trans_CC_complex(sv); | |
79072805 | 629 | } |
79072805 LW |
630 | } |
631 | ||
632 | void | |
864dbfa3 | 633 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 LW |
634 | { |
635 | SV **oldmark = mark; | |
636 | register I32 items = sp - mark; | |
79072805 | 637 | register STRLEN len; |
463ee0b2 LW |
638 | STRLEN delimlen; |
639 | register char *delim = SvPV(del, delimlen); | |
640 | STRLEN tmplen; | |
79072805 LW |
641 | |
642 | mark++; | |
643 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); | |
07f14f54 | 644 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 LW |
645 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
646 | while (items-- > 0) { | |
48c036b1 | 647 | if (*mark && !SvGMAGICAL(*mark) && SvOK(*mark)) { |
463ee0b2 LW |
648 | SvPV(*mark, tmplen); |
649 | len += tmplen; | |
79072805 LW |
650 | } |
651 | mark++; | |
652 | } | |
653 | SvGROW(sv, len + 1); /* so try to pre-extend */ | |
654 | ||
655 | mark = oldmark; | |
db7c17d7 | 656 | items = sp - mark; |
79072805 LW |
657 | ++mark; |
658 | } | |
659 | ||
463ee0b2 | 660 | if (items-- > 0) { |
8990e307 LW |
661 | char *s; |
662 | ||
663 | if (*mark) { | |
664 | s = SvPV(*mark, tmplen); | |
665 | sv_setpvn(sv, s, tmplen); | |
666 | } | |
667 | else | |
668 | sv_setpv(sv, ""); | |
463ee0b2 LW |
669 | mark++; |
670 | } | |
79072805 LW |
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 LW |
698 | } |
699 | ||
81e118e0 JH |
700 | UV |
701 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) | |
702 | { | |
703 | STRLEN srclen, len; | |
704 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); | |
705 | UV retnum = 0; | |
706 | ||
a50d7633 | 707 | if (offset < 0) |
81e118e0 | 708 | return retnum; |
a50d7633 JH |
709 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
710 | Perl_croak(aTHX_ "Illegal number of bits in vec"); | |
81e118e0 JH |
711 | offset *= size; /* turn into bit offset */ |
712 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
713 | if (len > srclen) { | |
714 | if (size <= 8) | |
715 | retnum = 0; | |
716 | else { | |
717 | offset >>= 3; /* turn into byte offset */ | |
718 | if (size == 16) { | |
719 | if (offset >= srclen) | |
720 | retnum = 0; | |
721 | else | |
628e1a40 | 722 | retnum = (UV) s[offset] << 8; |
81e118e0 JH |
723 | } |
724 | else if (size == 32) { | |
725 | if (offset >= srclen) | |
726 | retnum = 0; | |
727 | else if (offset + 1 >= srclen) | |
728 | retnum = | |
729 | ((UV) s[offset ] << 24); | |
730 | else if (offset + 2 >= srclen) | |
731 | retnum = | |
732 | ((UV) s[offset ] << 24) + | |
733 | ((UV) s[offset + 1] << 16); | |
734 | else | |
735 | retnum = | |
736 | ((UV) s[offset ] << 24) + | |
737 | ((UV) s[offset + 1] << 16) + | |
738 | ( s[offset + 2] << 8); | |
739 | } | |
d7d93a81 | 740 | #ifdef UV_IS_QUAD |
c5a0f51a JH |
741 | else if (size == 64) { |
742 | dTHR; | |
743 | if (ckWARN(WARN_PORTABLE)) | |
744 | Perl_warner(aTHX_ WARN_PORTABLE, | |
745 | "Bit vector size > 32 non-portable"); | |
746 | if (offset >= srclen) | |
747 | retnum = 0; | |
748 | else if (offset + 1 >= srclen) | |
749 | retnum = | |
750 | (UV) s[offset ] << 56; | |
751 | else if (offset + 2 >= srclen) | |
752 | retnum = | |
753 | ((UV) s[offset ] << 56) + | |
754 | ((UV) s[offset + 1] << 48); | |
755 | else if (offset + 3 >= srclen) | |
756 | retnum = | |
757 | ((UV) s[offset ] << 56) + | |
758 | ((UV) s[offset + 1] << 48) + | |
759 | ((UV) s[offset + 2] << 40); | |
760 | else if (offset + 4 >= srclen) | |
761 | retnum = | |
762 | ((UV) s[offset ] << 56) + | |
763 | ((UV) s[offset + 1] << 48) + | |
764 | ((UV) s[offset + 2] << 40) + | |
765 | ((UV) s[offset + 3] << 32); | |
766 | else if (offset + 5 >= srclen) | |
767 | retnum = | |
768 | ((UV) s[offset ] << 56) + | |
769 | ((UV) s[offset + 1] << 48) + | |
770 | ((UV) s[offset + 2] << 40) + | |
771 | ((UV) s[offset + 3] << 32) + | |
772 | ( s[offset + 4] << 24); | |
773 | else if (offset + 6 >= srclen) | |
774 | retnum = | |
775 | ((UV) s[offset ] << 56) + | |
776 | ((UV) s[offset + 1] << 48) + | |
777 | ((UV) s[offset + 2] << 40) + | |
778 | ((UV) s[offset + 3] << 32) + | |
779 | ((UV) s[offset + 4] << 24) + | |
780 | ((UV) s[offset + 5] << 16); | |
781 | else | |
782 | retnum = | |
783 | ((UV) s[offset ] << 56) + | |
784 | ((UV) s[offset + 1] << 48) + | |
785 | ((UV) s[offset + 2] << 40) + | |
786 | ((UV) s[offset + 3] << 32) + | |
787 | ((UV) s[offset + 4] << 24) + | |
788 | ((UV) s[offset + 5] << 16) + | |
628e1a40 | 789 | ( s[offset + 6] << 8); |
c5a0f51a JH |
790 | } |
791 | #endif | |
81e118e0 JH |
792 | } |
793 | } | |
794 | else if (size < 8) | |
795 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); | |
796 | else { | |
797 | offset >>= 3; /* turn into byte offset */ | |
798 | if (size == 8) | |
799 | retnum = s[offset]; | |
800 | else if (size == 16) | |
801 | retnum = | |
628e1a40 | 802 | ((UV) s[offset] << 8) + |
81e118e0 JH |
803 | s[offset + 1]; |
804 | else if (size == 32) | |
805 | retnum = | |
806 | ((UV) s[offset ] << 24) + | |
807 | ((UV) s[offset + 1] << 16) + | |
808 | ( s[offset + 2] << 8) + | |
809 | s[offset + 3]; | |
d7d93a81 | 810 | #ifdef UV_IS_QUAD |
c5a0f51a JH |
811 | else if (size == 64) { |
812 | dTHR; | |
813 | if (ckWARN(WARN_PORTABLE)) | |
814 | Perl_warner(aTHX_ WARN_PORTABLE, | |
815 | "Bit vector size > 32 non-portable"); | |
816 | retnum = | |
817 | ((UV) s[offset ] << 56) + | |
818 | ((UV) s[offset + 1] << 48) + | |
819 | ((UV) s[offset + 2] << 40) + | |
820 | ((UV) s[offset + 3] << 32) + | |
821 | ((UV) s[offset + 4] << 24) + | |
822 | ((UV) s[offset + 5] << 16) + | |
628e1a40 | 823 | ( s[offset + 6] << 8) + |
c5a0f51a JH |
824 | s[offset + 7]; |
825 | } | |
826 | #endif | |
81e118e0 JH |
827 | } |
828 | ||
829 | return retnum; | |
830 | } | |
831 | ||
79072805 | 832 | void |
864dbfa3 | 833 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 LW |
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 LW |
841 | STRLEN targlen; |
842 | STRLEN len; | |
79072805 | 843 | |
8990e307 LW |
844 | if (!targ) |
845 | return; | |
a0d0e21e | 846 | s = (unsigned char*)SvPV_force(targ, targlen); |
81e118e0 | 847 | lval = SvUV(sv); |
79072805 LW |
848 | offset = LvTARGOFF(sv); |
849 | size = LvTARGLEN(sv); | |
a50d7633 JH |
850 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
851 | Perl_croak(aTHX_ "Illegal number of bits in vec"); | |
a0d0e21e | 852 | |
81e118e0 JH |
853 | offset *= size; /* turn into bit offset */ |
854 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
a0d0e21e LW |
855 | if (len > targlen) { |
856 | s = (unsigned char*)SvGROW(targ, len + 1); | |
857 | (void)memzero(s + targlen, len - targlen + 1); | |
858 | SvCUR_set(targ, len); | |
859 | } | |
860 | ||
79072805 LW |
861 | if (size < 8) { |
862 | mask = (1 << size) - 1; | |
863 | size = offset & 7; | |
864 | lval &= mask; | |
81e118e0 | 865 | offset >>= 3; /* turn into byte offset */ |
79072805 LW |
866 | s[offset] &= ~(mask << size); |
867 | s[offset] |= lval << size; | |
868 | } | |
869 | else { | |
81e118e0 | 870 | offset >>= 3; /* turn into byte offset */ |
79072805 | 871 | if (size == 8) |
c5a0f51a | 872 | s[offset ] = lval & 0xff; |
79072805 | 873 | else if (size == 16) { |
c5a0f51a JH |
874 | s[offset ] = (lval >> 8) & 0xff; |
875 | s[offset+1] = lval & 0xff; | |
79072805 LW |
876 | } |
877 | else if (size == 32) { | |
c5a0f51a JH |
878 | s[offset ] = (lval >> 24) & 0xff; |
879 | s[offset+1] = (lval >> 16) & 0xff; | |
880 | s[offset+2] = (lval >> 8) & 0xff; | |
881 | s[offset+3] = lval & 0xff; | |
882 | } | |
d7d93a81 | 883 | #ifdef UV_IS_QUAD |
c5a0f51a JH |
884 | else if (size == 64) { |
885 | dTHR; | |
886 | if (ckWARN(WARN_PORTABLE)) | |
887 | Perl_warner(aTHX_ WARN_PORTABLE, | |
888 | "Bit vector size > 32 non-portable"); | |
889 | s[offset ] = (lval >> 56) & 0xff; | |
890 | s[offset+1] = (lval >> 48) & 0xff; | |
891 | s[offset+2] = (lval >> 40) & 0xff; | |
892 | s[offset+3] = (lval >> 32) & 0xff; | |
893 | s[offset+4] = (lval >> 24) & 0xff; | |
894 | s[offset+5] = (lval >> 16) & 0xff; | |
895 | s[offset+6] = (lval >> 8) & 0xff; | |
896 | s[offset+7] = lval & 0xff; | |
79072805 | 897 | } |
dc1e3f56 | 898 | #endif |
79072805 | 899 | } |
7bb043c3 | 900 | SvSETMAGIC(targ); |
79072805 LW |
901 | } |
902 | ||
903 | void | |
864dbfa3 | 904 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 | 905 | { |
463ee0b2 | 906 | STRLEN len; |
a0d0e21e | 907 | char *s; |
c485e607 | 908 | dTHR; |
a0d0e21e | 909 | |
79072805 | 910 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e LW |
911 | register I32 i; |
912 | I32 max; | |
913 | AV* av = (AV*)sv; | |
914 | max = AvFILL(av); | |
915 | for (i = 0; i <= max; i++) { | |
916 | sv = (SV*)av_fetch(av, i, FALSE); | |
3280af22 | 917 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
918 | do_chop(astr, sv); |
919 | } | |
920 | return; | |
79072805 | 921 | } |
aa854799 | 922 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e LW |
923 | HV* hv = (HV*)sv; |
924 | HE* entry; | |
925 | (void)hv_iterinit(hv); | |
926 | /*SUPPRESS 560*/ | |
927 | while (entry = hv_iternext(hv)) | |
928 | do_chop(astr,hv_iterval(hv,entry)); | |
929 | return; | |
79072805 | 930 | } |
aa854799 | 931 | else if (SvREADONLY(sv)) |
cea2e8a9 | 932 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e | 933 | s = SvPV(sv, len); |
748a9306 | 934 | if (len && !SvPOK(sv)) |
a0d0e21e | 935 | s = SvPV_force(sv, len); |
7e2040f0 | 936 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
937 | if (s && len) { |
938 | char *send = s + len; | |
939 | char *start = s; | |
940 | s = send - 1; | |
941 | while ((*s & 0xc0) == 0x80) | |
942 | --s; | |
0453d815 PM |
943 | if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8)) |
944 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); | |
a0ed51b3 LW |
945 | sv_setpvn(astr, s, send - s); |
946 | *s = '\0'; | |
947 | SvCUR_set(sv, s - start); | |
948 | SvNIOK_off(sv); | |
7e2040f0 | 949 | SvUTF8_on(astr); |
a0ed51b3 LW |
950 | } |
951 | else | |
952 | sv_setpvn(astr, "", 0); | |
953 | } | |
7e2040f0 | 954 | else if (s && len) { |
a0d0e21e LW |
955 | s += --len; |
956 | sv_setpvn(astr, s, 1); | |
957 | *s = '\0'; | |
958 | SvCUR_set(sv, len); | |
959 | SvNIOK_off(sv); | |
79072805 LW |
960 | } |
961 | else | |
a0d0e21e LW |
962 | sv_setpvn(astr, "", 0); |
963 | SvSETMAGIC(sv); | |
7e2040f0 | 964 | } |
a0d0e21e LW |
965 | |
966 | I32 | |
864dbfa3 | 967 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e | 968 | { |
aeea060c | 969 | dTHR; |
c07a80fd | 970 | register I32 count; |
a0d0e21e LW |
971 | STRLEN len; |
972 | char *s; | |
c07a80fd | 973 | |
3280af22 | 974 | if (RsSNARF(PL_rs)) |
c07a80fd | 975 | return 0; |
4c5a6083 GS |
976 | if (RsRECORD(PL_rs)) |
977 | return 0; | |
c07a80fd | 978 | count = 0; |
a0d0e21e LW |
979 | if (SvTYPE(sv) == SVt_PVAV) { |
980 | register I32 i; | |
981 | I32 max; | |
982 | AV* av = (AV*)sv; | |
983 | max = AvFILL(av); | |
984 | for (i = 0; i <= max; i++) { | |
985 | sv = (SV*)av_fetch(av, i, FALSE); | |
3280af22 | 986 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
987 | count += do_chomp(sv); |
988 | } | |
989 | return count; | |
990 | } | |
aa854799 | 991 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e LW |
992 | HV* hv = (HV*)sv; |
993 | HE* entry; | |
994 | (void)hv_iterinit(hv); | |
995 | /*SUPPRESS 560*/ | |
996 | while (entry = hv_iternext(hv)) | |
997 | count += do_chomp(hv_iterval(hv,entry)); | |
998 | return count; | |
999 | } | |
aa854799 | 1000 | else if (SvREADONLY(sv)) |
cea2e8a9 | 1001 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e LW |
1002 | s = SvPV(sv, len); |
1003 | if (len && !SvPOKp(sv)) | |
1004 | s = SvPV_force(sv, len); | |
1005 | if (s && len) { | |
1006 | s += --len; | |
3280af22 | 1007 | if (RsPARA(PL_rs)) { |
a0d0e21e LW |
1008 | if (*s != '\n') |
1009 | goto nope; | |
1010 | ++count; | |
1011 | while (len && s[-1] == '\n') { | |
1012 | --len; | |
1013 | --s; | |
1014 | ++count; | |
1015 | } | |
1016 | } | |
a0d0e21e | 1017 | else { |
c07a80fd | 1018 | STRLEN rslen; |
3280af22 | 1019 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd | 1020 | if (rslen == 1) { |
1021 | if (*s != *rsptr) | |
1022 | goto nope; | |
1023 | ++count; | |
1024 | } | |
1025 | else { | |
8c2cee6f | 1026 | if (len < rslen - 1) |
c07a80fd | 1027 | goto nope; |
1028 | len -= rslen - 1; | |
1029 | s -= rslen - 1; | |
36477c24 | 1030 | if (memNE(s, rsptr, rslen)) |
c07a80fd | 1031 | goto nope; |
1032 | count += rslen; | |
1033 | } | |
a0d0e21e | 1034 | } |
a0d0e21e LW |
1035 | *s = '\0'; |
1036 | SvCUR_set(sv, len); | |
1037 | SvNIOK_off(sv); | |
1038 | } | |
1039 | nope: | |
1040 | SvSETMAGIC(sv); | |
1041 | return count; | |
1042 | } | |
79072805 LW |
1043 | |
1044 | void | |
864dbfa3 | 1045 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 | 1046 | { |
aeea060c | 1047 | dTHR; /* just for taint */ |
79072805 LW |
1048 | #ifdef LIBERAL |
1049 | register long *dl; | |
1050 | register long *ll; | |
1051 | register long *rl; | |
1052 | #endif | |
1053 | register char *dc; | |
463ee0b2 LW |
1054 | STRLEN leftlen; |
1055 | STRLEN rightlen; | |
7a4c00b4 | 1056 | register char *lc; |
1057 | register char *rc; | |
79072805 | 1058 | register I32 len; |
a0d0e21e | 1059 | I32 lensave; |
7a4c00b4 | 1060 | char *lsave; |
1061 | char *rsave; | |
79072805 | 1062 | |
1fbd88dc CS |
1063 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
1064 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ | |
7a4c00b4 | 1065 | lsave = lc = SvPV(left, leftlen); |
1066 | rsave = rc = SvPV(right, rightlen); | |
93a17b20 | 1067 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e | 1068 | lensave = len; |
7a4c00b4 | 1069 | if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
2d8e6c8d GS |
1070 | STRLEN n_a; |
1071 | dc = SvPV_force(sv, n_a); | |
ff68c719 | 1072 | if (SvCUR(sv) < len) { |
1073 | dc = SvGROW(sv, len + 1); | |
1074 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); | |
1075 | } | |
1076 | } | |
1077 | else { | |
1078 | I32 needlen = ((optype == OP_BIT_AND) | |
1079 | ? len : (leftlen > rightlen ? leftlen : rightlen)); | |
1080 | Newz(801, dc, needlen + 1, char); | |
1081 | (void)sv_usepvn(sv, dc, needlen); | |
1082 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ | |
79072805 | 1083 | } |
a0d0e21e LW |
1084 | SvCUR_set(sv, len); |
1085 | (void)SvPOK_only(sv); | |
79072805 LW |
1086 | #ifdef LIBERAL |
1087 | if (len >= sizeof(long)*4 && | |
1088 | !((long)dc % sizeof(long)) && | |
1089 | !((long)lc % sizeof(long)) && | |
1090 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ | |
1091 | { | |
1092 | I32 remainder = len % (sizeof(long)*4); | |
1093 | len /= (sizeof(long)*4); | |
1094 | ||
1095 | dl = (long*)dc; | |
1096 | ll = (long*)lc; | |
1097 | rl = (long*)rc; | |
1098 | ||
1099 | switch (optype) { | |
1100 | case OP_BIT_AND: | |
1101 | while (len--) { | |
1102 | *dl++ = *ll++ & *rl++; | |
1103 | *dl++ = *ll++ & *rl++; | |
1104 | *dl++ = *ll++ & *rl++; | |
1105 | *dl++ = *ll++ & *rl++; | |
1106 | } | |
1107 | break; | |
a0d0e21e | 1108 | case OP_BIT_XOR: |
79072805 LW |
1109 | while (len--) { |
1110 | *dl++ = *ll++ ^ *rl++; | |
1111 | *dl++ = *ll++ ^ *rl++; | |
1112 | *dl++ = *ll++ ^ *rl++; | |
1113 | *dl++ = *ll++ ^ *rl++; | |
1114 | } | |
1115 | break; | |
1116 | case OP_BIT_OR: | |
1117 | while (len--) { | |
1118 | *dl++ = *ll++ | *rl++; | |
1119 | *dl++ = *ll++ | *rl++; | |
1120 | *dl++ = *ll++ | *rl++; | |
1121 | *dl++ = *ll++ | *rl++; | |
1122 | } | |
1123 | } | |
1124 | ||
1125 | dc = (char*)dl; | |
1126 | lc = (char*)ll; | |
1127 | rc = (char*)rl; | |
1128 | ||
1129 | len = remainder; | |
1130 | } | |
1131 | #endif | |
a0d0e21e | 1132 | { |
a0d0e21e LW |
1133 | switch (optype) { |
1134 | case OP_BIT_AND: | |
1135 | while (len--) | |
1136 | *dc++ = *lc++ & *rc++; | |
1137 | break; | |
1138 | case OP_BIT_XOR: | |
1139 | while (len--) | |
1140 | *dc++ = *lc++ ^ *rc++; | |
1141 | goto mop_up; | |
1142 | case OP_BIT_OR: | |
1143 | while (len--) | |
1144 | *dc++ = *lc++ | *rc++; | |
1145 | mop_up: | |
1146 | len = lensave; | |
1147 | if (rightlen > len) | |
1148 | sv_catpvn(sv, rsave + len, rightlen - len); | |
1149 | else if (leftlen > len) | |
1150 | sv_catpvn(sv, lsave + len, leftlen - len); | |
4633a7c4 LW |
1151 | else |
1152 | *SvEND(sv) = '\0'; | |
a0d0e21e LW |
1153 | break; |
1154 | } | |
79072805 | 1155 | } |
fb73857a | 1156 | SvTAINT(sv); |
79072805 | 1157 | } |
463ee0b2 LW |
1158 | |
1159 | OP * | |
cea2e8a9 | 1160 | Perl_do_kv(pTHX) |
463ee0b2 | 1161 | { |
4e35701f | 1162 | djSP; |
463ee0b2 | 1163 | HV *hv = (HV*)POPs; |
800e9ae0 | 1164 | HV *keys; |
463ee0b2 | 1165 | register HE *entry; |
463ee0b2 | 1166 | SV *tmpstr; |
54310121 | 1167 | I32 gimme = GIMME_V; |
533c011a NIS |
1168 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1169 | I32 dovalues = (PL_op->op_type == OP_VALUES); | |
c750a3ec MB |
1170 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
1171 | ||
533c011a | 1172 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e | 1173 | dokeys = dovalues = TRUE; |
463ee0b2 | 1174 | |
85581909 | 1175 | if (!hv) { |
533c011a | 1176 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1177 | dTARGET; /* make sure to clear its target here */ |
1178 | if (SvTYPE(TARG) == SVt_PVLV) | |
1179 | LvTARG(TARG) = Nullsv; | |
1180 | PUSHs(TARG); | |
1181 | } | |
463ee0b2 | 1182 | RETURN; |
85581909 | 1183 | } |
748a9306 | 1184 | |
800e9ae0 JP |
1185 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1186 | (void)hv_iterinit(keys); /* always reset iterator regardless */ | |
748a9306 | 1187 | |
54310121 | 1188 | if (gimme == G_VOID) |
aa689395 | 1189 | RETURN; |
1190 | ||
54310121 | 1191 | if (gimme == G_SCALAR) { |
6ee623d5 | 1192 | IV i; |
463ee0b2 LW |
1193 | dTARGET; |
1194 | ||
533c011a | 1195 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1196 | if (SvTYPE(TARG) < SVt_PVLV) { |
1197 | sv_upgrade(TARG, SVt_PVLV); | |
1198 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); | |
1199 | } | |
1200 | LvTYPE(TARG) = 'k'; | |
800e9ae0 | 1201 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 GS |
1202 | if (LvTARG(TARG)) |
1203 | SvREFCNT_dec(LvTARG(TARG)); | |
800e9ae0 | 1204 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 | 1205 | } |
85581909 SB |
1206 | PUSHs(TARG); |
1207 | RETURN; | |
1208 | } | |
1209 | ||
33c27489 | 1210 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 | 1211 | i = HvKEYS(keys); |
463ee0b2 LW |
1212 | else { |
1213 | i = 0; | |
463ee0b2 | 1214 | /*SUPPRESS 560*/ |
800e9ae0 | 1215 | while (hv_iternext(keys)) i++; |
463ee0b2 LW |
1216 | } |
1217 | PUSHi( i ); | |
1218 | RETURN; | |
1219 | } | |
1220 | ||
8ed4b672 | 1221 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 | 1222 | |
463ee0b2 | 1223 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
800e9ae0 | 1224 | while (entry = hv_iternext(keys)) { |
463ee0b2 | 1225 | SPAGAIN; |
8c2cee6f | 1226 | if (dokeys) |
1227 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ | |
463ee0b2 | 1228 | if (dovalues) { |
463ee0b2 | 1229 | PUTBACK; |
b6429b1b GS |
1230 | tmpstr = realhv ? |
1231 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); | |
cea2e8a9 | 1232 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c | 1233 | (unsigned long)HeHASH(entry), |
800e9ae0 JP |
1234 | HvMAX(keys)+1, |
1235 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); | |
463ee0b2 | 1236 | SPAGAIN; |
46fc3d4c | 1237 | XPUSHs(tmpstr); |
463ee0b2 LW |
1238 | } |
1239 | PUTBACK; | |
1240 | } | |
1241 | return NORMAL; | |
1242 | } | |
4e35701f | 1243 |