Commit | Line | Data |
a0d0e21e |
1 | /* doop.c |
79072805 |
2 | * |
bc89e66f |
3 | * Copyright (c) 1991-2001, 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 |
b250498f |
25 | S_do_trans_simple(pTHX_ SV *sv) |
79072805 |
26 | { |
4757a243 |
27 | U8 *s; |
b250498f |
28 | U8 *d; |
4757a243 |
29 | U8 *send; |
b250498f |
30 | U8 *dstart; |
4757a243 |
31 | I32 matches = 0; |
9b877dbb |
32 | I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
463ee0b2 |
33 | STRLEN len; |
4757a243 |
34 | short *tbl; |
35 | I32 ch; |
79072805 |
36 | |
4757a243 |
37 | tbl = (short*)cPVOP->op_pv; |
38 | if (!tbl) |
2269b42e |
39 | Perl_croak(aTHX_ "panic: do_trans_simple"); |
a0ed51b3 |
40 | |
4757a243 |
41 | s = (U8*)SvPV(sv, len); |
42 | send = s + len; |
43 | |
b250498f |
44 | /* First, take care of non-UTF8 input strings, because they're easy */ |
1aa99e6b |
45 | if (!SvUTF8(sv)) { |
01ec43d0 |
46 | while (s < send) { |
036b4402 |
47 | if ((ch = tbl[*s]) >= 0) { |
01ec43d0 |
48 | matches++; |
49 | *s++ = ch; |
50 | } |
51 | else |
52 | s++; |
53 | } |
54 | SvSETMAGIC(sv); |
b250498f |
55 | return matches; |
56 | } |
4757a243 |
57 | |
b250498f |
58 | /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ |
9b877dbb |
59 | if (grows) |
60 | New(0, d, len*2+1, U8); |
61 | else |
62 | d = s; |
b250498f |
63 | dstart = d; |
64 | while (s < send) { |
ba210ebe |
65 | STRLEN ulen; |
9b877dbb |
66 | UV c; |
b250498f |
67 | |
b250498f |
68 | /* Need to check this, otherwise 128..255 won't match */ |
dcad2880 |
69 | c = utf8_to_uv(s, send - s, &ulen, 0); |
9b877dbb |
70 | if (c < 0x100 && (ch = tbl[c]) >= 0) { |
b250498f |
71 | matches++; |
0f4a810e |
72 | d = uv_to_utf8(d, ch); |
b250498f |
73 | s += ulen; |
01ec43d0 |
74 | } |
75 | else { /* No match -> copy */ |
9b877dbb |
76 | Copy(s, d, ulen, U8); |
77 | d += ulen; |
78 | s += ulen; |
b250498f |
79 | } |
80 | } |
9b877dbb |
81 | if (grows) { |
82 | sv_setpvn(sv, (char*)dstart, d - dstart); |
83 | Safefree(dstart); |
84 | } |
85 | else { |
86 | *d = '\0'; |
87 | SvCUR_set(sv, d - dstart); |
88 | } |
b250498f |
89 | SvUTF8_on(sv); |
b250498f |
90 | SvSETMAGIC(sv); |
4757a243 |
91 | return matches; |
92 | } |
93 | |
942e002e |
94 | STATIC I32 |
036b4402 |
95 | S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
96 | { |
4757a243 |
97 | U8 *s; |
98 | U8 *send; |
99 | I32 matches = 0; |
100 | STRLEN len; |
101 | short *tbl; |
102 | |
103 | tbl = (short*)cPVOP->op_pv; |
104 | if (!tbl) |
2269b42e |
105 | Perl_croak(aTHX_ "panic: do_trans_count"); |
4757a243 |
106 | |
107 | s = (U8*)SvPV(sv, len); |
108 | send = s + len; |
109 | |
1aa99e6b |
110 | if (!SvUTF8(sv)) |
111 | while (s < send) { |
112 | if (tbl[*s++] >= 0) |
036b4402 |
113 | matches++; |
1aa99e6b |
114 | } |
115 | else |
116 | while (s < send) { |
117 | UV c; |
118 | STRLEN ulen; |
119 | c = utf8_to_uv(s, send - s, &ulen, 0); |
120 | if (c < 0x100 && tbl[c] >= 0) |
121 | matches++; |
122 | s += ulen; |
123 | } |
4757a243 |
124 | |
125 | return matches; |
126 | } |
127 | |
942e002e |
128 | STATIC I32 |
b250498f |
129 | S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */ |
4757a243 |
130 | { |
4757a243 |
131 | U8 *s; |
132 | U8 *send; |
133 | U8 *d; |
5e44153e |
134 | U8 *dstart; |
1aa99e6b |
135 | I32 isutf8; |
4757a243 |
136 | I32 matches = 0; |
9b877dbb |
137 | I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
4757a243 |
138 | STRLEN len; |
139 | short *tbl; |
140 | I32 ch; |
141 | |
142 | tbl = (short*)cPVOP->op_pv; |
143 | if (!tbl) |
2269b42e |
144 | Perl_croak(aTHX_ "panic: do_trans_complex"); |
4757a243 |
145 | |
146 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
147 | isutf8 = SvUTF8(sv); |
4757a243 |
148 | send = s + len; |
149 | |
1aa99e6b |
150 | if (!isutf8) { |
151 | dstart = d = s; |
152 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
153 | U8* p = send; |
154 | while (s < send) { |
155 | if ((ch = tbl[*s]) >= 0) { |
036b4402 |
156 | *d = ch; |
157 | matches++; |
1aa99e6b |
158 | if (p != d - 1 || *p != *d) |
159 | p = d++; |
160 | } |
161 | else if (ch == -1) /* -1 is unmapped character */ |
162 | *d++ = *s; |
163 | else if (ch == -2) /* -2 is delete character */ |
164 | matches++; |
165 | s++; |
166 | } |
a0ed51b3 |
167 | } |
1aa99e6b |
168 | else { |
169 | while (s < send) { |
170 | if ((ch = tbl[*s]) >= 0) { |
171 | matches++; |
172 | *d++ = ch; |
173 | } |
174 | else if (ch == -1) /* -1 is unmapped character */ |
175 | *d++ = *s; |
176 | else if (ch == -2) /* -2 is delete character */ |
177 | matches++; |
178 | s++; |
179 | } |
180 | } |
181 | SvCUR_set(sv, d - dstart); |
4757a243 |
182 | } |
1aa99e6b |
183 | else { /* isutf8 */ |
9b877dbb |
184 | if (grows) |
185 | New(0, d, len*2+1, U8); |
186 | else |
187 | d = s; |
1aa99e6b |
188 | dstart = d; |
189 | |
4aecb5b5 |
190 | #ifdef MACOS_TRADITIONAL |
191 | #define comp CoMP /* "comp" is a keyword in some compilers ... */ |
192 | #endif |
193 | |
1aa99e6b |
194 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
195 | U8* p = send; |
196 | UV pch = 0xfeedface; |
197 | while (s < send) { |
198 | STRLEN len; |
199 | UV comp = utf8_to_uv_simple(s, &len); |
200 | |
9b877dbb |
201 | if (comp > 0xff) { /* always unmapped */ |
202 | Copy(s, d, len, U8); |
203 | d += len; |
204 | } |
1aa99e6b |
205 | else if ((ch = tbl[comp]) >= 0) { |
206 | matches++; |
207 | if (ch != pch) { |
208 | d = uv_to_utf8(d, ch); |
209 | pch = ch; |
210 | } |
211 | s += len; |
212 | continue; |
213 | } |
9b877dbb |
214 | else if (ch == -1) { /* -1 is unmapped character */ |
215 | Copy(s, d, len, U8); |
216 | d += len; |
217 | } |
1aa99e6b |
218 | else if (ch == -2) /* -2 is delete character */ |
219 | matches++; |
220 | s += len; |
221 | pch = 0xfeedface; |
222 | } |
5d06d08e |
223 | } |
1aa99e6b |
224 | else { |
225 | while (s < send) { |
226 | STRLEN len; |
227 | UV comp = utf8_to_uv_simple(s, &len); |
9b877dbb |
228 | if (comp > 0xff) { /* always unmapped */ |
229 | Copy(s, d, len, U8); |
230 | d += len; |
231 | } |
1aa99e6b |
232 | else if ((ch = tbl[comp]) >= 0) { |
233 | d = uv_to_utf8(d, ch); |
234 | matches++; |
235 | } |
236 | else if (ch == -1) { /* -1 is unmapped character */ |
9b877dbb |
237 | Copy(s, d, len, U8); |
238 | d += len; |
1aa99e6b |
239 | } |
240 | else if (ch == -2) /* -2 is delete character */ |
241 | matches++; |
242 | s += len; |
243 | } |
244 | } |
9b877dbb |
245 | if (grows) { |
246 | sv_setpvn(sv, (char*)dstart, d - dstart); |
247 | Safefree(dstart); |
248 | } |
249 | else { |
250 | *d = '\0'; |
251 | SvCUR_set(sv, d - dstart); |
252 | } |
1aa99e6b |
253 | SvUTF8_on(sv); |
4757a243 |
254 | } |
5e44153e |
255 | SvSETMAGIC(sv); |
4757a243 |
256 | return matches; |
257 | } |
258 | |
942e002e |
259 | STATIC I32 |
036b4402 |
260 | S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
261 | { |
4757a243 |
262 | U8 *s; |
263 | U8 *send; |
264 | U8 *d; |
036b4402 |
265 | U8 *start; |
1aa99e6b |
266 | U8 *dstart, *dend; |
4757a243 |
267 | I32 matches = 0; |
9b877dbb |
268 | I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
4757a243 |
269 | STRLEN len; |
270 | |
271 | SV* rv = (SV*)cSVOP->op_sv; |
272 | HV* hv = (HV*)SvRV(rv); |
273 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
274 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
275 | UV extra = none + 1; |
276 | UV final; |
277 | UV uv; |
1aa99e6b |
278 | I32 isutf8; |
279 | U8 hibit = 0; |
4757a243 |
280 | |
281 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
282 | isutf8 = SvUTF8(sv); |
283 | if (!isutf8) { |
284 | U8 *t = s, *e = s + len; |
285 | while (t < e) |
fd400ab9 |
286 | if ((hibit = UTF8_IS_CONTINUED(*t++))) |
1aa99e6b |
287 | break; |
288 | if (hibit) |
289 | s = bytes_to_utf8(s, &len); |
290 | } |
4757a243 |
291 | send = s + len; |
036b4402 |
292 | start = s; |
4757a243 |
293 | |
294 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
295 | if (svp) |
296 | final = SvUV(*svp); |
297 | |
9b877dbb |
298 | if (grows) { |
299 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
300 | New(0, d, len*3+UTF8_MAXLEN, U8); |
301 | dend = d + len * 3; |
302 | dstart = d; |
303 | } |
304 | else { |
305 | dstart = d = s; |
306 | dend = d + len; |
307 | } |
1aa99e6b |
308 | |
4757a243 |
309 | while (s < send) { |
310 | if ((uv = swash_fetch(rv, s)) < none) { |
311 | s += UTF8SKIP(s); |
312 | matches++; |
313 | d = uv_to_utf8(d, uv); |
314 | } |
315 | else if (uv == none) { |
1aa99e6b |
316 | int i = UTF8SKIP(s); |
9b877dbb |
317 | Copy(s, d, i, U8); |
318 | d += i; |
319 | s += i; |
4757a243 |
320 | } |
321 | else if (uv == extra) { |
1aa99e6b |
322 | int i = UTF8SKIP(s); |
036b4402 |
323 | s += i; |
4757a243 |
324 | matches++; |
325 | d = uv_to_utf8(d, final); |
326 | } |
327 | else |
328 | s += UTF8SKIP(s); |
1aa99e6b |
329 | |
9b877dbb |
330 | if (d > dend) { |
1aa99e6b |
331 | STRLEN clen = d - dstart; |
332 | STRLEN nlen = dend - dstart + len + UTF8_MAXLEN; |
9b877dbb |
333 | if (!grows) |
334 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8"); |
1aa99e6b |
335 | Renew(dstart, nlen+UTF8_MAXLEN, U8); |
336 | d = dstart + clen; |
337 | dend = dstart + nlen; |
338 | } |
4757a243 |
339 | } |
16ec844d |
340 | if (grows || hibit) { |
9b877dbb |
341 | sv_setpvn(sv, (char*)dstart, d - dstart); |
342 | Safefree(dstart); |
16ec844d |
343 | if (grows && hibit) |
344 | Safefree(start); |
9b877dbb |
345 | } |
346 | else { |
347 | *d = '\0'; |
348 | SvCUR_set(sv, d - dstart); |
349 | } |
4757a243 |
350 | SvSETMAGIC(sv); |
1aa99e6b |
351 | SvUTF8_on(sv); |
1aa99e6b |
352 | if (!isutf8 && !(PL_hints & HINT_UTF8)) |
353 | sv_utf8_downgrade(sv, TRUE); |
4757a243 |
354 | |
355 | return matches; |
356 | } |
357 | |
942e002e |
358 | STATIC I32 |
036b4402 |
359 | S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
360 | { |
4757a243 |
361 | U8 *s; |
1aa99e6b |
362 | U8 *start, *send; |
4757a243 |
363 | I32 matches = 0; |
364 | STRLEN len; |
365 | |
366 | SV* rv = (SV*)cSVOP->op_sv; |
367 | HV* hv = (HV*)SvRV(rv); |
368 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
369 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
370 | UV uv; |
1aa99e6b |
371 | U8 hibit = 0; |
4757a243 |
372 | |
373 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
374 | if (!SvUTF8(sv)) { |
375 | U8 *t = s, *e = s + len; |
376 | while (t < e) |
fd400ab9 |
377 | if ((hibit = !UTF8_IS_ASCII(*t++))) |
1aa99e6b |
378 | break; |
379 | if (hibit) |
380 | start = s = bytes_to_utf8(s, &len); |
381 | } |
4757a243 |
382 | send = s + len; |
383 | |
384 | while (s < send) { |
834a4ddd |
385 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 |
386 | matches++; |
834a4ddd |
387 | s += UTF8SKIP(s); |
4757a243 |
388 | } |
1aa99e6b |
389 | if (hibit) |
390 | Safefree(start); |
4757a243 |
391 | |
392 | return matches; |
393 | } |
394 | |
942e002e |
395 | STATIC I32 |
036b4402 |
396 | S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */ |
4757a243 |
397 | { |
4757a243 |
398 | U8 *s; |
1aa99e6b |
399 | U8 *start, *send; |
4757a243 |
400 | U8 *d; |
401 | I32 matches = 0; |
402 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
4757a243 |
403 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
9b877dbb |
404 | I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
4757a243 |
405 | SV* rv = (SV*)cSVOP->op_sv; |
406 | HV* hv = (HV*)SvRV(rv); |
407 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
408 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
409 | UV extra = none + 1; |
410 | UV final; |
411 | UV uv; |
412 | STRLEN len; |
1aa99e6b |
413 | U8 *dstart, *dend; |
414 | I32 isutf8; |
415 | U8 hibit = 0; |
4757a243 |
416 | |
417 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
418 | isutf8 = SvUTF8(sv); |
419 | if (!isutf8) { |
420 | U8 *t = s, *e = s + len; |
421 | while (t < e) |
fd400ab9 |
422 | if ((hibit = !UTF8_IS_ASCII(*t++))) |
1aa99e6b |
423 | break; |
424 | if (hibit) |
425 | s = bytes_to_utf8(s, &len); |
426 | } |
4757a243 |
427 | send = s + len; |
1aa99e6b |
428 | start = s; |
4757a243 |
429 | |
430 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
431 | if (svp) |
432 | final = SvUV(*svp); |
433 | |
9b877dbb |
434 | if (grows) { |
435 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
436 | New(0, d, len*3+UTF8_MAXLEN, U8); |
437 | dend = d + len * 3; |
438 | dstart = d; |
439 | } |
440 | else { |
441 | dstart = d = s; |
442 | dend = d + len; |
443 | } |
4757a243 |
444 | |
445 | if (squash) { |
446 | UV puv = 0xfeedface; |
447 | while (s < send) { |
1aa99e6b |
448 | uv = swash_fetch(rv, s); |
449 | |
9b877dbb |
450 | if (d > dend) { |
451 | STRLEN clen = d - dstart; |
452 | STRLEN nlen = dend - dstart + len + UTF8_MAXLEN; |
453 | if (!grows) |
454 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8"); |
1aa99e6b |
455 | Renew(dstart, nlen+UTF8_MAXLEN, U8); |
456 | d = dstart + clen; |
457 | dend = dstart + nlen; |
4757a243 |
458 | } |
459 | if (uv < none) { |
460 | matches++; |
461 | if (uv != puv) { |
01ec43d0 |
462 | d = uv_to_utf8(d, uv); |
4757a243 |
463 | puv = uv; |
464 | } |
075321c3 |
465 | s += UTF8SKIP(s); |
4757a243 |
466 | continue; |
467 | } |
468 | else if (uv == none) { /* "none" is unmapped character */ |
1aa99e6b |
469 | int i = UTF8SKIP(s); |
9b877dbb |
470 | Copy(s, d, i, U8); |
471 | d += i; |
472 | s += i; |
4757a243 |
473 | puv = 0xfeedface; |
474 | continue; |
a0ed51b3 |
475 | } |
4757a243 |
476 | else if (uv == extra && !del) { |
477 | matches++; |
478 | if (uv != puv) { |
01ec43d0 |
479 | d = uv_to_utf8(d, final); |
4757a243 |
480 | puv = final; |
481 | } |
01ec43d0 |
482 | s += UTF8SKIP(s); |
4757a243 |
483 | continue; |
484 | } |
01ec43d0 |
485 | matches++; /* "none+1" is delete character */ |
486 | s += UTF8SKIP(s); |
a0ed51b3 |
487 | } |
79072805 |
488 | } |
489 | else { |
4757a243 |
490 | while (s < send) { |
1aa99e6b |
491 | uv = swash_fetch(rv, s); |
9b877dbb |
492 | if (d > dend) { |
493 | STRLEN clen = d - dstart; |
494 | STRLEN nlen = dend - dstart + len + UTF8_MAXLEN; |
495 | if (!grows) |
496 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8"); |
1aa99e6b |
497 | Renew(dstart, nlen+UTF8_MAXLEN, U8); |
498 | d = dstart + clen; |
499 | dend = dstart + nlen; |
a0ed51b3 |
500 | } |
4757a243 |
501 | if (uv < none) { |
502 | matches++; |
01ec43d0 |
503 | d = uv_to_utf8(d, uv); |
504 | s += UTF8SKIP(s); |
4757a243 |
505 | continue; |
a0ed51b3 |
506 | } |
4757a243 |
507 | else if (uv == none) { /* "none" is unmapped character */ |
1aa99e6b |
508 | int i = UTF8SKIP(s); |
9b877dbb |
509 | Copy(s, d, i, U8); |
510 | d += i; |
511 | s += i; |
4757a243 |
512 | continue; |
79072805 |
513 | } |
4757a243 |
514 | else if (uv == extra && !del) { |
515 | matches++; |
01ec43d0 |
516 | d = uv_to_utf8(d, final); |
517 | s += UTF8SKIP(s); |
4757a243 |
518 | continue; |
519 | } |
01ec43d0 |
520 | matches++; /* "none+1" is delete character */ |
521 | s += UTF8SKIP(s); |
79072805 |
522 | } |
4757a243 |
523 | } |
16ec844d |
524 | if (grows || hibit) { |
9b877dbb |
525 | sv_setpvn(sv, (char*)dstart, d - dstart); |
526 | Safefree(dstart); |
16ec844d |
527 | if (grows && hibit) |
528 | Safefree(start); |
9b877dbb |
529 | } |
530 | else { |
531 | *d = '\0'; |
532 | SvCUR_set(sv, d - dstart); |
533 | } |
1aa99e6b |
534 | SvUTF8_on(sv); |
1aa99e6b |
535 | if (!isutf8 && !(PL_hints & HINT_UTF8)) |
536 | sv_utf8_downgrade(sv, TRUE); |
4757a243 |
537 | SvSETMAGIC(sv); |
538 | |
539 | return matches; |
540 | } |
541 | |
542 | I32 |
864dbfa3 |
543 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 |
544 | { |
545 | STRLEN len; |
8e84507e |
546 | I32 hasutf = (PL_op->op_private & |
036b4402 |
547 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 |
548 | |
549 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
cea2e8a9 |
550 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 |
551 | |
552 | (void)SvPV(sv, len); |
553 | if (!len) |
554 | return 0; |
555 | if (!SvPOKp(sv)) |
556 | (void)SvPV_force(sv, len); |
2de7b02f |
557 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
558 | (void)SvPOK_only_UTF8(sv); |
4757a243 |
559 | |
cea2e8a9 |
560 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 |
561 | |
036b4402 |
562 | switch (PL_op->op_private & ~hasutf & 63) { |
4757a243 |
563 | case 0: |
01ec43d0 |
564 | if (hasutf) |
565 | return do_trans_simple_utf8(sv); |
566 | else |
567 | return do_trans_simple(sv); |
4757a243 |
568 | |
569 | case OPpTRANS_IDENTICAL: |
01ec43d0 |
570 | if (hasutf) |
571 | return do_trans_count_utf8(sv); |
572 | else |
573 | return do_trans_count(sv); |
4757a243 |
574 | |
575 | default: |
01ec43d0 |
576 | if (hasutf) |
036b4402 |
577 | return do_trans_complex_utf8(sv); |
4757a243 |
578 | else |
036b4402 |
579 | return do_trans_complex(sv); |
79072805 |
580 | } |
79072805 |
581 | } |
582 | |
583 | void |
864dbfa3 |
584 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 |
585 | { |
586 | SV **oldmark = mark; |
587 | register I32 items = sp - mark; |
79072805 |
588 | register STRLEN len; |
463ee0b2 |
589 | STRLEN delimlen; |
590 | register char *delim = SvPV(del, delimlen); |
591 | STRLEN tmplen; |
79072805 |
592 | |
593 | mark++; |
594 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); |
07f14f54 |
595 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 |
596 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
597 | while (items-- > 0) { |
1426bbf4 |
598 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
463ee0b2 |
599 | SvPV(*mark, tmplen); |
600 | len += tmplen; |
79072805 |
601 | } |
602 | mark++; |
603 | } |
604 | SvGROW(sv, len + 1); /* so try to pre-extend */ |
605 | |
606 | mark = oldmark; |
db7c17d7 |
607 | items = sp - mark; |
79072805 |
608 | ++mark; |
609 | } |
610 | |
463ee0b2 |
611 | if (items-- > 0) { |
92d29cee |
612 | sv_setpv(sv, ""); |
613 | if (*mark) |
614 | sv_catsv(sv, *mark); |
463ee0b2 |
615 | mark++; |
616 | } |
79072805 |
617 | else |
618 | sv_setpv(sv,""); |
c512ce4f |
619 | if (delimlen) { |
79072805 |
620 | for (; items > 0; items--,mark++) { |
c512ce4f |
621 | sv_catsv(sv,del); |
79072805 |
622 | sv_catsv(sv,*mark); |
623 | } |
624 | } |
625 | else { |
626 | for (; items > 0; items--,mark++) |
627 | sv_catsv(sv,*mark); |
628 | } |
629 | SvSETMAGIC(sv); |
630 | } |
631 | |
632 | void |
864dbfa3 |
633 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 |
634 | { |
46fc3d4c |
635 | STRLEN patlen; |
636 | char *pat = SvPV(*sarg, patlen); |
637 | bool do_taint = FALSE; |
638 | |
639 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
79072805 |
640 | SvSETMAGIC(sv); |
46fc3d4c |
641 | if (do_taint) |
642 | SvTAINTED_on(sv); |
79072805 |
643 | } |
644 | |
33b45480 |
645 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 |
646 | UV |
647 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) |
648 | { |
649 | STRLEN srclen, len; |
650 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); |
651 | UV retnum = 0; |
652 | |
a50d7633 |
653 | if (offset < 0) |
81e118e0 |
654 | return retnum; |
8e84507e |
655 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 |
656 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
246fae53 |
657 | |
dcad2880 |
658 | if (SvUTF8(sv)) |
33b45480 |
659 | (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE); |
246fae53 |
660 | |
81e118e0 |
661 | offset *= size; /* turn into bit offset */ |
662 | len = (offset + size + 7) / 8; /* required number of bytes */ |
663 | if (len > srclen) { |
664 | if (size <= 8) |
665 | retnum = 0; |
666 | else { |
667 | offset >>= 3; /* turn into byte offset */ |
668 | if (size == 16) { |
669 | if (offset >= srclen) |
670 | retnum = 0; |
671 | else |
628e1a40 |
672 | retnum = (UV) s[offset] << 8; |
81e118e0 |
673 | } |
674 | else if (size == 32) { |
675 | if (offset >= srclen) |
676 | retnum = 0; |
677 | else if (offset + 1 >= srclen) |
678 | retnum = |
679 | ((UV) s[offset ] << 24); |
680 | else if (offset + 2 >= srclen) |
681 | retnum = |
682 | ((UV) s[offset ] << 24) + |
683 | ((UV) s[offset + 1] << 16); |
684 | else |
685 | retnum = |
686 | ((UV) s[offset ] << 24) + |
687 | ((UV) s[offset + 1] << 16) + |
688 | ( s[offset + 2] << 8); |
689 | } |
d7d93a81 |
690 | #ifdef UV_IS_QUAD |
c5a0f51a |
691 | else if (size == 64) { |
c5a0f51a |
692 | if (ckWARN(WARN_PORTABLE)) |
693 | Perl_warner(aTHX_ WARN_PORTABLE, |
694 | "Bit vector size > 32 non-portable"); |
695 | if (offset >= srclen) |
696 | retnum = 0; |
697 | else if (offset + 1 >= srclen) |
698 | retnum = |
699 | (UV) s[offset ] << 56; |
700 | else if (offset + 2 >= srclen) |
701 | retnum = |
702 | ((UV) s[offset ] << 56) + |
703 | ((UV) s[offset + 1] << 48); |
704 | else if (offset + 3 >= srclen) |
705 | retnum = |
706 | ((UV) s[offset ] << 56) + |
707 | ((UV) s[offset + 1] << 48) + |
708 | ((UV) s[offset + 2] << 40); |
709 | else if (offset + 4 >= srclen) |
710 | retnum = |
711 | ((UV) s[offset ] << 56) + |
712 | ((UV) s[offset + 1] << 48) + |
713 | ((UV) s[offset + 2] << 40) + |
714 | ((UV) s[offset + 3] << 32); |
715 | else if (offset + 5 >= srclen) |
716 | retnum = |
717 | ((UV) s[offset ] << 56) + |
718 | ((UV) s[offset + 1] << 48) + |
719 | ((UV) s[offset + 2] << 40) + |
720 | ((UV) s[offset + 3] << 32) + |
721 | ( s[offset + 4] << 24); |
722 | else if (offset + 6 >= srclen) |
723 | retnum = |
724 | ((UV) s[offset ] << 56) + |
725 | ((UV) s[offset + 1] << 48) + |
726 | ((UV) s[offset + 2] << 40) + |
727 | ((UV) s[offset + 3] << 32) + |
728 | ((UV) s[offset + 4] << 24) + |
729 | ((UV) s[offset + 5] << 16); |
730 | else |
8e84507e |
731 | retnum = |
c5a0f51a |
732 | ((UV) s[offset ] << 56) + |
733 | ((UV) s[offset + 1] << 48) + |
734 | ((UV) s[offset + 2] << 40) + |
735 | ((UV) s[offset + 3] << 32) + |
736 | ((UV) s[offset + 4] << 24) + |
737 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
738 | ( s[offset + 6] << 8); |
c5a0f51a |
739 | } |
740 | #endif |
81e118e0 |
741 | } |
742 | } |
743 | else if (size < 8) |
744 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
745 | else { |
746 | offset >>= 3; /* turn into byte offset */ |
747 | if (size == 8) |
748 | retnum = s[offset]; |
749 | else if (size == 16) |
750 | retnum = |
628e1a40 |
751 | ((UV) s[offset] << 8) + |
81e118e0 |
752 | s[offset + 1]; |
753 | else if (size == 32) |
754 | retnum = |
755 | ((UV) s[offset ] << 24) + |
756 | ((UV) s[offset + 1] << 16) + |
757 | ( s[offset + 2] << 8) + |
758 | s[offset + 3]; |
d7d93a81 |
759 | #ifdef UV_IS_QUAD |
c5a0f51a |
760 | else if (size == 64) { |
c5a0f51a |
761 | if (ckWARN(WARN_PORTABLE)) |
762 | Perl_warner(aTHX_ WARN_PORTABLE, |
763 | "Bit vector size > 32 non-portable"); |
764 | retnum = |
765 | ((UV) s[offset ] << 56) + |
766 | ((UV) s[offset + 1] << 48) + |
767 | ((UV) s[offset + 2] << 40) + |
768 | ((UV) s[offset + 3] << 32) + |
769 | ((UV) s[offset + 4] << 24) + |
770 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
771 | ( s[offset + 6] << 8) + |
c5a0f51a |
772 | s[offset + 7]; |
773 | } |
774 | #endif |
81e118e0 |
775 | } |
776 | |
777 | return retnum; |
778 | } |
779 | |
33b45480 |
780 | /* currently converts input to bytes if possible but doesn't sweat failures, |
781 | * although it does ensure that the string it clobbers is not marked as |
782 | * utf8-valid any more |
783 | */ |
79072805 |
784 | void |
864dbfa3 |
785 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 |
786 | { |
787 | SV *targ = LvTARG(sv); |
788 | register I32 offset; |
789 | register I32 size; |
8990e307 |
790 | register unsigned char *s; |
81e118e0 |
791 | register UV lval; |
79072805 |
792 | I32 mask; |
a0d0e21e |
793 | STRLEN targlen; |
794 | STRLEN len; |
79072805 |
795 | |
8990e307 |
796 | if (!targ) |
797 | return; |
a0d0e21e |
798 | s = (unsigned char*)SvPV_force(targ, targlen); |
246fae53 |
799 | if (SvUTF8(targ)) { |
33b45480 |
800 | /* This is handled by the SvPOK_only below... |
801 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) |
802 | SvUTF8_off(targ); |
803 | */ |
804 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); |
246fae53 |
805 | } |
806 | |
4ebbc975 |
807 | (void)SvPOK_only(targ); |
81e118e0 |
808 | lval = SvUV(sv); |
79072805 |
809 | offset = LvTARGOFF(sv); |
fe58ced6 |
810 | if (offset < 0) |
811 | Perl_croak(aTHX_ "Assigning to negative offset in vec"); |
79072805 |
812 | size = LvTARGLEN(sv); |
8e84507e |
813 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 |
814 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
8e84507e |
815 | |
81e118e0 |
816 | offset *= size; /* turn into bit offset */ |
817 | len = (offset + size + 7) / 8; /* required number of bytes */ |
a0d0e21e |
818 | if (len > targlen) { |
819 | s = (unsigned char*)SvGROW(targ, len + 1); |
12ae5dfc |
820 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e |
821 | SvCUR_set(targ, len); |
822 | } |
8e84507e |
823 | |
79072805 |
824 | if (size < 8) { |
825 | mask = (1 << size) - 1; |
826 | size = offset & 7; |
827 | lval &= mask; |
81e118e0 |
828 | offset >>= 3; /* turn into byte offset */ |
79072805 |
829 | s[offset] &= ~(mask << size); |
830 | s[offset] |= lval << size; |
831 | } |
832 | else { |
81e118e0 |
833 | offset >>= 3; /* turn into byte offset */ |
79072805 |
834 | if (size == 8) |
c5a0f51a |
835 | s[offset ] = lval & 0xff; |
79072805 |
836 | else if (size == 16) { |
c5a0f51a |
837 | s[offset ] = (lval >> 8) & 0xff; |
838 | s[offset+1] = lval & 0xff; |
79072805 |
839 | } |
840 | else if (size == 32) { |
c5a0f51a |
841 | s[offset ] = (lval >> 24) & 0xff; |
842 | s[offset+1] = (lval >> 16) & 0xff; |
843 | s[offset+2] = (lval >> 8) & 0xff; |
844 | s[offset+3] = lval & 0xff; |
845 | } |
d7d93a81 |
846 | #ifdef UV_IS_QUAD |
c5a0f51a |
847 | else if (size == 64) { |
c5a0f51a |
848 | if (ckWARN(WARN_PORTABLE)) |
849 | Perl_warner(aTHX_ WARN_PORTABLE, |
850 | "Bit vector size > 32 non-portable"); |
851 | s[offset ] = (lval >> 56) & 0xff; |
852 | s[offset+1] = (lval >> 48) & 0xff; |
853 | s[offset+2] = (lval >> 40) & 0xff; |
854 | s[offset+3] = (lval >> 32) & 0xff; |
855 | s[offset+4] = (lval >> 24) & 0xff; |
856 | s[offset+5] = (lval >> 16) & 0xff; |
857 | s[offset+6] = (lval >> 8) & 0xff; |
858 | s[offset+7] = lval & 0xff; |
79072805 |
859 | } |
dc1e3f56 |
860 | #endif |
79072805 |
861 | } |
7bb043c3 |
862 | SvSETMAGIC(targ); |
79072805 |
863 | } |
864 | |
865 | void |
864dbfa3 |
866 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 |
867 | { |
463ee0b2 |
868 | STRLEN len; |
a0d0e21e |
869 | char *s; |
8e84507e |
870 | |
79072805 |
871 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e |
872 | register I32 i; |
873 | I32 max; |
874 | AV* av = (AV*)sv; |
875 | max = AvFILL(av); |
876 | for (i = 0; i <= max; i++) { |
877 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
878 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
879 | do_chop(astr, sv); |
880 | } |
881 | return; |
79072805 |
882 | } |
aa854799 |
883 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
884 | HV* hv = (HV*)sv; |
885 | HE* entry; |
886 | (void)hv_iterinit(hv); |
887 | /*SUPPRESS 560*/ |
155aba94 |
888 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
889 | do_chop(astr,hv_iterval(hv,entry)); |
890 | return; |
79072805 |
891 | } |
aa854799 |
892 | else if (SvREADONLY(sv)) |
cea2e8a9 |
893 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
894 | s = SvPV(sv, len); |
748a9306 |
895 | if (len && !SvPOK(sv)) |
a0d0e21e |
896 | s = SvPV_force(sv, len); |
7e2040f0 |
897 | if (DO_UTF8(sv)) { |
a0ed51b3 |
898 | if (s && len) { |
899 | char *send = s + len; |
900 | char *start = s; |
901 | s = send - 1; |
a0dbb045 |
902 | while (s > start && UTF8_IS_CONTINUATION(*s)) |
903 | s--; |
904 | if (utf8_to_uv_simple((U8*)s, 0)) { |
905 | sv_setpvn(astr, s, send - s); |
906 | *s = '\0'; |
907 | SvCUR_set(sv, s - start); |
908 | SvNIOK_off(sv); |
909 | SvUTF8_on(astr); |
910 | } |
a0ed51b3 |
911 | } |
912 | else |
913 | sv_setpvn(astr, "", 0); |
914 | } |
7e2040f0 |
915 | else if (s && len) { |
a0d0e21e |
916 | s += --len; |
917 | sv_setpvn(astr, s, 1); |
918 | *s = '\0'; |
919 | SvCUR_set(sv, len); |
2c19a612 |
920 | SvUTF8_off(sv); |
a0d0e21e |
921 | SvNIOK_off(sv); |
79072805 |
922 | } |
923 | else |
a0d0e21e |
924 | sv_setpvn(astr, "", 0); |
925 | SvSETMAGIC(sv); |
7e2040f0 |
926 | } |
a0d0e21e |
927 | |
928 | I32 |
864dbfa3 |
929 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e |
930 | { |
c07a80fd |
931 | register I32 count; |
a0d0e21e |
932 | STRLEN len; |
933 | char *s; |
c07a80fd |
934 | |
3280af22 |
935 | if (RsSNARF(PL_rs)) |
c07a80fd |
936 | return 0; |
4c5a6083 |
937 | if (RsRECORD(PL_rs)) |
938 | return 0; |
c07a80fd |
939 | count = 0; |
a0d0e21e |
940 | if (SvTYPE(sv) == SVt_PVAV) { |
941 | register I32 i; |
942 | I32 max; |
943 | AV* av = (AV*)sv; |
944 | max = AvFILL(av); |
945 | for (i = 0; i <= max; i++) { |
946 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
947 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
948 | count += do_chomp(sv); |
949 | } |
950 | return count; |
951 | } |
aa854799 |
952 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
953 | HV* hv = (HV*)sv; |
954 | HE* entry; |
955 | (void)hv_iterinit(hv); |
956 | /*SUPPRESS 560*/ |
155aba94 |
957 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
958 | count += do_chomp(hv_iterval(hv,entry)); |
959 | return count; |
960 | } |
aa854799 |
961 | else if (SvREADONLY(sv)) |
cea2e8a9 |
962 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
963 | s = SvPV(sv, len); |
964 | if (len && !SvPOKp(sv)) |
965 | s = SvPV_force(sv, len); |
966 | if (s && len) { |
967 | s += --len; |
3280af22 |
968 | if (RsPARA(PL_rs)) { |
a0d0e21e |
969 | if (*s != '\n') |
970 | goto nope; |
971 | ++count; |
972 | while (len && s[-1] == '\n') { |
973 | --len; |
974 | --s; |
975 | ++count; |
976 | } |
977 | } |
a0d0e21e |
978 | else { |
c07a80fd |
979 | STRLEN rslen; |
3280af22 |
980 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd |
981 | if (rslen == 1) { |
982 | if (*s != *rsptr) |
983 | goto nope; |
984 | ++count; |
985 | } |
986 | else { |
8c2cee6f |
987 | if (len < rslen - 1) |
c07a80fd |
988 | goto nope; |
989 | len -= rslen - 1; |
990 | s -= rslen - 1; |
36477c24 |
991 | if (memNE(s, rsptr, rslen)) |
c07a80fd |
992 | goto nope; |
993 | count += rslen; |
994 | } |
a0d0e21e |
995 | } |
a0d0e21e |
996 | *s = '\0'; |
997 | SvCUR_set(sv, len); |
998 | SvNIOK_off(sv); |
999 | } |
1000 | nope: |
1001 | SvSETMAGIC(sv); |
1002 | return count; |
8e84507e |
1003 | } |
79072805 |
1004 | |
1005 | void |
864dbfa3 |
1006 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 |
1007 | { |
1008 | #ifdef LIBERAL |
1009 | register long *dl; |
1010 | register long *ll; |
1011 | register long *rl; |
1012 | #endif |
1013 | register char *dc; |
463ee0b2 |
1014 | STRLEN leftlen; |
1015 | STRLEN rightlen; |
7a4c00b4 |
1016 | register char *lc; |
1017 | register char *rc; |
79072805 |
1018 | register I32 len; |
a0d0e21e |
1019 | I32 lensave; |
7a4c00b4 |
1020 | char *lsave; |
1021 | char *rsave; |
0c57e439 |
1022 | bool left_utf = DO_UTF8(left); |
1023 | bool right_utf = DO_UTF8(right); |
c9b3c8d0 |
1024 | I32 needlen; |
0c57e439 |
1025 | |
1026 | if (left_utf && !right_utf) |
1027 | sv_utf8_upgrade(right); |
a1ca4561 |
1028 | else if (!left_utf && right_utf) |
0c57e439 |
1029 | sv_utf8_upgrade(left); |
79072805 |
1030 | |
1fbd88dc |
1031 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
1032 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ |
7a4c00b4 |
1033 | lsave = lc = SvPV(left, leftlen); |
1034 | rsave = rc = SvPV(right, rightlen); |
93a17b20 |
1035 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e |
1036 | lensave = len; |
c9b3c8d0 |
1037 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
1038 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; |
1039 | Newz(801, dc, needlen + 1, char); |
1040 | } |
1041 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
2d8e6c8d |
1042 | STRLEN n_a; |
1043 | dc = SvPV_force(sv, n_a); |
ff68c719 |
1044 | if (SvCUR(sv) < len) { |
1045 | dc = SvGROW(sv, len + 1); |
1046 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
1047 | } |
c9b3c8d0 |
1048 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
1049 | dc = SvGROW(sv, leftlen + rightlen + 1); |
ff68c719 |
1050 | } |
1051 | else { |
c9b3c8d0 |
1052 | needlen = ((optype == OP_BIT_AND) |
1053 | ? len : (leftlen > rightlen ? leftlen : rightlen)); |
ff68c719 |
1054 | Newz(801, dc, needlen + 1, char); |
1055 | (void)sv_usepvn(sv, dc, needlen); |
1056 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 |
1057 | } |
a0d0e21e |
1058 | SvCUR_set(sv, len); |
1059 | (void)SvPOK_only(sv); |
0c57e439 |
1060 | if (left_utf || right_utf) { |
1061 | UV duc, luc, ruc; |
c9b3c8d0 |
1062 | char *dcsave = dc; |
0c57e439 |
1063 | STRLEN lulen = leftlen; |
1064 | STRLEN rulen = rightlen; |
ba210ebe |
1065 | STRLEN ulen; |
0c57e439 |
1066 | |
1067 | switch (optype) { |
1068 | case OP_BIT_AND: |
1069 | while (lulen && rulen) { |
cc366d4b |
1070 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1071 | lc += ulen; |
1072 | lulen -= ulen; |
cc366d4b |
1073 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1074 | rc += ulen; |
1075 | rulen -= ulen; |
1076 | duc = luc & ruc; |
1077 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1078 | } |
c9b3c8d0 |
1079 | if (sv == left || sv == right) |
1080 | (void)sv_usepvn(sv, dcsave, needlen); |
1081 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
1082 | break; |
1083 | case OP_BIT_XOR: |
1084 | while (lulen && rulen) { |
cc366d4b |
1085 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1086 | lc += ulen; |
1087 | lulen -= ulen; |
cc366d4b |
1088 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1089 | rc += ulen; |
1090 | rulen -= ulen; |
1091 | duc = luc ^ ruc; |
1092 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1093 | } |
1094 | goto mop_up_utf; |
1095 | case OP_BIT_OR: |
1096 | while (lulen && rulen) { |
cc366d4b |
1097 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1098 | lc += ulen; |
1099 | lulen -= ulen; |
cc366d4b |
1100 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1101 | rc += ulen; |
1102 | rulen -= ulen; |
1103 | duc = luc | ruc; |
1104 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1105 | } |
1106 | mop_up_utf: |
c9b3c8d0 |
1107 | if (sv == left || sv == right) |
1108 | (void)sv_usepvn(sv, dcsave, needlen); |
1109 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
1110 | if (rulen) |
1111 | sv_catpvn(sv, rc, rulen); |
1112 | else if (lulen) |
1113 | sv_catpvn(sv, lc, lulen); |
1114 | else |
1115 | *SvEND(sv) = '\0'; |
1116 | break; |
1117 | } |
1118 | SvUTF8_on(sv); |
1119 | goto finish; |
1120 | } |
1121 | else |
79072805 |
1122 | #ifdef LIBERAL |
1123 | if (len >= sizeof(long)*4 && |
1124 | !((long)dc % sizeof(long)) && |
1125 | !((long)lc % sizeof(long)) && |
1126 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ |
1127 | { |
1128 | I32 remainder = len % (sizeof(long)*4); |
1129 | len /= (sizeof(long)*4); |
1130 | |
1131 | dl = (long*)dc; |
1132 | ll = (long*)lc; |
1133 | rl = (long*)rc; |
1134 | |
1135 | switch (optype) { |
1136 | case OP_BIT_AND: |
1137 | while (len--) { |
1138 | *dl++ = *ll++ & *rl++; |
1139 | *dl++ = *ll++ & *rl++; |
1140 | *dl++ = *ll++ & *rl++; |
1141 | *dl++ = *ll++ & *rl++; |
1142 | } |
1143 | break; |
a0d0e21e |
1144 | case OP_BIT_XOR: |
79072805 |
1145 | while (len--) { |
1146 | *dl++ = *ll++ ^ *rl++; |
1147 | *dl++ = *ll++ ^ *rl++; |
1148 | *dl++ = *ll++ ^ *rl++; |
1149 | *dl++ = *ll++ ^ *rl++; |
1150 | } |
1151 | break; |
1152 | case OP_BIT_OR: |
1153 | while (len--) { |
1154 | *dl++ = *ll++ | *rl++; |
1155 | *dl++ = *ll++ | *rl++; |
1156 | *dl++ = *ll++ | *rl++; |
1157 | *dl++ = *ll++ | *rl++; |
1158 | } |
1159 | } |
1160 | |
1161 | dc = (char*)dl; |
1162 | lc = (char*)ll; |
1163 | rc = (char*)rl; |
1164 | |
1165 | len = remainder; |
1166 | } |
1167 | #endif |
a0d0e21e |
1168 | { |
a0d0e21e |
1169 | switch (optype) { |
1170 | case OP_BIT_AND: |
1171 | while (len--) |
1172 | *dc++ = *lc++ & *rc++; |
1173 | break; |
1174 | case OP_BIT_XOR: |
1175 | while (len--) |
1176 | *dc++ = *lc++ ^ *rc++; |
1177 | goto mop_up; |
1178 | case OP_BIT_OR: |
1179 | while (len--) |
1180 | *dc++ = *lc++ | *rc++; |
1181 | mop_up: |
1182 | len = lensave; |
1183 | if (rightlen > len) |
1184 | sv_catpvn(sv, rsave + len, rightlen - len); |
1185 | else if (leftlen > len) |
1186 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 |
1187 | else |
1188 | *SvEND(sv) = '\0'; |
a0d0e21e |
1189 | break; |
1190 | } |
79072805 |
1191 | } |
0c57e439 |
1192 | finish: |
fb73857a |
1193 | SvTAINT(sv); |
79072805 |
1194 | } |
463ee0b2 |
1195 | |
1196 | OP * |
cea2e8a9 |
1197 | Perl_do_kv(pTHX) |
463ee0b2 |
1198 | { |
4e35701f |
1199 | djSP; |
463ee0b2 |
1200 | HV *hv = (HV*)POPs; |
800e9ae0 |
1201 | HV *keys; |
463ee0b2 |
1202 | register HE *entry; |
463ee0b2 |
1203 | SV *tmpstr; |
54310121 |
1204 | I32 gimme = GIMME_V; |
533c011a |
1205 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1206 | I32 dovalues = (PL_op->op_type == OP_VALUES); |
c750a3ec |
1207 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
8e84507e |
1208 | |
1209 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e |
1210 | dokeys = dovalues = TRUE; |
463ee0b2 |
1211 | |
85581909 |
1212 | if (!hv) { |
78f9721b |
1213 | if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */ |
85581909 |
1214 | dTARGET; /* make sure to clear its target here */ |
1215 | if (SvTYPE(TARG) == SVt_PVLV) |
1216 | LvTARG(TARG) = Nullsv; |
1217 | PUSHs(TARG); |
1218 | } |
463ee0b2 |
1219 | RETURN; |
85581909 |
1220 | } |
748a9306 |
1221 | |
800e9ae0 |
1222 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1223 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 |
1224 | |
54310121 |
1225 | if (gimme == G_VOID) |
aa689395 |
1226 | RETURN; |
1227 | |
54310121 |
1228 | if (gimme == G_SCALAR) { |
6ee623d5 |
1229 | IV i; |
463ee0b2 |
1230 | dTARGET; |
1231 | |
78f9721b |
1232 | if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */ |
85581909 |
1233 | if (SvTYPE(TARG) < SVt_PVLV) { |
1234 | sv_upgrade(TARG, SVt_PVLV); |
1235 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); |
1236 | } |
1237 | LvTYPE(TARG) = 'k'; |
800e9ae0 |
1238 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 |
1239 | if (LvTARG(TARG)) |
1240 | SvREFCNT_dec(LvTARG(TARG)); |
800e9ae0 |
1241 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 |
1242 | } |
85581909 |
1243 | PUSHs(TARG); |
1244 | RETURN; |
1245 | } |
1246 | |
33c27489 |
1247 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 |
1248 | i = HvKEYS(keys); |
463ee0b2 |
1249 | else { |
1250 | i = 0; |
463ee0b2 |
1251 | /*SUPPRESS 560*/ |
800e9ae0 |
1252 | while (hv_iternext(keys)) i++; |
463ee0b2 |
1253 | } |
1254 | PUSHi( i ); |
1255 | RETURN; |
1256 | } |
1257 | |
8ed4b672 |
1258 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 |
1259 | |
463ee0b2 |
1260 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 |
1261 | while ((entry = hv_iternext(keys))) { |
463ee0b2 |
1262 | SPAGAIN; |
6bfc225d |
1263 | if (dokeys) |
8c2cee6f |
1264 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 |
1265 | if (dovalues) { |
463ee0b2 |
1266 | PUTBACK; |
b6429b1b |
1267 | tmpstr = realhv ? |
1268 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); |
cea2e8a9 |
1269 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c |
1270 | (unsigned long)HeHASH(entry), |
800e9ae0 |
1271 | HvMAX(keys)+1, |
1272 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 |
1273 | SPAGAIN; |
46fc3d4c |
1274 | XPUSHs(tmpstr); |
463ee0b2 |
1275 | } |
1276 | PUTBACK; |
1277 | } |
1278 | return NORMAL; |
1279 | } |
4e35701f |
1280 | |