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 */ |
9041c2e3 |
69 | c = utf8n_to_uvchr(s, send - s, &ulen, 0); |
9b877dbb |
70 | if (c < 0x100 && (ch = tbl[c]) >= 0) { |
b250498f |
71 | matches++; |
9041c2e3 |
72 | d = uvchr_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; |
8973db79 |
102 | I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT; |
4757a243 |
103 | |
104 | tbl = (short*)cPVOP->op_pv; |
105 | if (!tbl) |
2269b42e |
106 | Perl_croak(aTHX_ "panic: do_trans_count"); |
4757a243 |
107 | |
108 | s = (U8*)SvPV(sv, len); |
109 | send = s + len; |
110 | |
1aa99e6b |
111 | if (!SvUTF8(sv)) |
112 | while (s < send) { |
113 | if (tbl[*s++] >= 0) |
036b4402 |
114 | matches++; |
1aa99e6b |
115 | } |
116 | else |
117 | while (s < send) { |
118 | UV c; |
119 | STRLEN ulen; |
9041c2e3 |
120 | c = utf8n_to_uvchr(s, send - s, &ulen, 0); |
8973db79 |
121 | if (c < 0x100) { |
122 | if (tbl[c] >= 0) |
123 | matches++; |
124 | } else if (complement) |
1aa99e6b |
125 | matches++; |
126 | s += ulen; |
127 | } |
4757a243 |
128 | |
129 | return matches; |
130 | } |
131 | |
942e002e |
132 | STATIC I32 |
b250498f |
133 | S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */ |
4757a243 |
134 | { |
4757a243 |
135 | U8 *s; |
136 | U8 *send; |
137 | U8 *d; |
5e44153e |
138 | U8 *dstart; |
1aa99e6b |
139 | I32 isutf8; |
4757a243 |
140 | I32 matches = 0; |
9b877dbb |
141 | I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
8973db79 |
142 | I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT; |
143 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
144 | STRLEN len, rlen; |
4757a243 |
145 | short *tbl; |
146 | I32 ch; |
147 | |
148 | tbl = (short*)cPVOP->op_pv; |
149 | if (!tbl) |
2269b42e |
150 | Perl_croak(aTHX_ "panic: do_trans_complex"); |
4757a243 |
151 | |
152 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
153 | isutf8 = SvUTF8(sv); |
4757a243 |
154 | send = s + len; |
155 | |
1aa99e6b |
156 | if (!isutf8) { |
157 | dstart = d = s; |
158 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
159 | U8* p = send; |
160 | while (s < send) { |
161 | if ((ch = tbl[*s]) >= 0) { |
036b4402 |
162 | *d = ch; |
163 | matches++; |
1aa99e6b |
164 | if (p != d - 1 || *p != *d) |
165 | p = d++; |
166 | } |
167 | else if (ch == -1) /* -1 is unmapped character */ |
168 | *d++ = *s; |
169 | else if (ch == -2) /* -2 is delete character */ |
170 | matches++; |
171 | s++; |
172 | } |
a0ed51b3 |
173 | } |
1aa99e6b |
174 | else { |
175 | while (s < send) { |
176 | if ((ch = tbl[*s]) >= 0) { |
177 | matches++; |
178 | *d++ = ch; |
179 | } |
180 | else if (ch == -1) /* -1 is unmapped character */ |
181 | *d++ = *s; |
182 | else if (ch == -2) /* -2 is delete character */ |
183 | matches++; |
184 | s++; |
185 | } |
186 | } |
187 | SvCUR_set(sv, d - dstart); |
4757a243 |
188 | } |
1aa99e6b |
189 | else { /* isutf8 */ |
9b877dbb |
190 | if (grows) |
191 | New(0, d, len*2+1, U8); |
192 | else |
193 | d = s; |
1aa99e6b |
194 | dstart = d; |
8973db79 |
195 | if (complement && !del) |
196 | rlen = tbl[0x100]; |
1aa99e6b |
197 | |
4aecb5b5 |
198 | #ifdef MACOS_TRADITIONAL |
199 | #define comp CoMP /* "comp" is a keyword in some compilers ... */ |
200 | #endif |
201 | |
1aa99e6b |
202 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
1aa99e6b |
203 | UV pch = 0xfeedface; |
204 | while (s < send) { |
205 | STRLEN len; |
9041c2e3 |
206 | UV comp = utf8_to_uvchr(s, &len); |
1aa99e6b |
207 | |
8973db79 |
208 | if (comp > 0xff) { |
209 | if (!complement) { |
210 | Copy(s, d, len, U8); |
211 | d += len; |
212 | } |
213 | else { |
214 | matches++; |
215 | if (!del) { |
05d340b8 |
216 | ch = (rlen == 0) ? comp : |
217 | (comp - 0x100 < rlen) ? |
8973db79 |
218 | tbl[comp+1] : tbl[0x100+rlen]; |
219 | if (ch != pch) { |
9041c2e3 |
220 | d = uvchr_to_utf8(d, ch); |
8973db79 |
221 | pch = ch; |
222 | } |
223 | s += len; |
224 | continue; |
225 | } |
226 | } |
9b877dbb |
227 | } |
1aa99e6b |
228 | else if ((ch = tbl[comp]) >= 0) { |
229 | matches++; |
230 | if (ch != pch) { |
9041c2e3 |
231 | d = uvchr_to_utf8(d, ch); |
1aa99e6b |
232 | pch = ch; |
233 | } |
234 | s += len; |
235 | continue; |
236 | } |
9b877dbb |
237 | else if (ch == -1) { /* -1 is unmapped character */ |
238 | Copy(s, d, len, U8); |
239 | d += len; |
240 | } |
1aa99e6b |
241 | else if (ch == -2) /* -2 is delete character */ |
242 | matches++; |
243 | s += len; |
244 | pch = 0xfeedface; |
245 | } |
5d06d08e |
246 | } |
1aa99e6b |
247 | else { |
248 | while (s < send) { |
249 | STRLEN len; |
9041c2e3 |
250 | UV comp = utf8_to_uvchr(s, &len); |
8973db79 |
251 | if (comp > 0xff) { |
252 | if (!complement) { |
253 | Copy(s, d, len, U8); |
254 | d += len; |
255 | } |
256 | else { |
257 | matches++; |
258 | if (!del) { |
9041c2e3 |
259 | if (comp - 0x100 < rlen) |
260 | d = uvchr_to_utf8(d, tbl[comp+1]); |
8973db79 |
261 | else |
9041c2e3 |
262 | d = uvchr_to_utf8(d, tbl[0x100+rlen]); |
8973db79 |
263 | } |
264 | } |
9b877dbb |
265 | } |
1aa99e6b |
266 | else if ((ch = tbl[comp]) >= 0) { |
9041c2e3 |
267 | d = uvchr_to_utf8(d, ch); |
1aa99e6b |
268 | matches++; |
269 | } |
270 | else if (ch == -1) { /* -1 is unmapped character */ |
9b877dbb |
271 | Copy(s, d, len, U8); |
272 | d += len; |
1aa99e6b |
273 | } |
274 | else if (ch == -2) /* -2 is delete character */ |
275 | matches++; |
276 | s += len; |
277 | } |
278 | } |
9b877dbb |
279 | if (grows) { |
280 | sv_setpvn(sv, (char*)dstart, d - dstart); |
281 | Safefree(dstart); |
282 | } |
283 | else { |
284 | *d = '\0'; |
285 | SvCUR_set(sv, d - dstart); |
286 | } |
1aa99e6b |
287 | SvUTF8_on(sv); |
4757a243 |
288 | } |
5e44153e |
289 | SvSETMAGIC(sv); |
4757a243 |
290 | return matches; |
291 | } |
292 | |
942e002e |
293 | STATIC I32 |
036b4402 |
294 | S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
295 | { |
4757a243 |
296 | U8 *s; |
297 | U8 *send; |
298 | U8 *d; |
036b4402 |
299 | U8 *start; |
1aa99e6b |
300 | U8 *dstart, *dend; |
4757a243 |
301 | I32 matches = 0; |
9b877dbb |
302 | I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
4757a243 |
303 | STRLEN len; |
304 | |
305 | SV* rv = (SV*)cSVOP->op_sv; |
306 | HV* hv = (HV*)SvRV(rv); |
307 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
308 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
309 | UV extra = none + 1; |
310 | UV final; |
311 | UV uv; |
1aa99e6b |
312 | I32 isutf8; |
313 | U8 hibit = 0; |
4757a243 |
314 | |
315 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
316 | isutf8 = SvUTF8(sv); |
317 | if (!isutf8) { |
318 | U8 *t = s, *e = s + len; |
c4d5f83a |
319 | while (t < e) { |
320 | U8 ch = *t++; |
321 | if ((hibit = !NATIVE_IS_INVARIANT(ch))) |
1aa99e6b |
322 | break; |
c4d5f83a |
323 | } |
1aa99e6b |
324 | if (hibit) |
325 | s = bytes_to_utf8(s, &len); |
326 | } |
4757a243 |
327 | send = s + len; |
036b4402 |
328 | start = s; |
4757a243 |
329 | |
330 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
331 | if (svp) |
332 | final = SvUV(*svp); |
333 | |
9b877dbb |
334 | if (grows) { |
335 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
336 | New(0, d, len*3+UTF8_MAXLEN, U8); |
337 | dend = d + len * 3; |
338 | dstart = d; |
339 | } |
340 | else { |
341 | dstart = d = s; |
342 | dend = d + len; |
343 | } |
1aa99e6b |
344 | |
4757a243 |
345 | while (s < send) { |
346 | if ((uv = swash_fetch(rv, s)) < none) { |
347 | s += UTF8SKIP(s); |
348 | matches++; |
9041c2e3 |
349 | d = uvchr_to_utf8(d, uv); |
4757a243 |
350 | } |
351 | else if (uv == none) { |
1aa99e6b |
352 | int i = UTF8SKIP(s); |
9b877dbb |
353 | Copy(s, d, i, U8); |
354 | d += i; |
355 | s += i; |
4757a243 |
356 | } |
357 | else if (uv == extra) { |
1aa99e6b |
358 | int i = UTF8SKIP(s); |
036b4402 |
359 | s += i; |
4757a243 |
360 | matches++; |
9041c2e3 |
361 | d = uvchr_to_utf8(d, final); |
4757a243 |
362 | } |
363 | else |
364 | s += UTF8SKIP(s); |
1aa99e6b |
365 | |
9b877dbb |
366 | if (d > dend) { |
1aa99e6b |
367 | STRLEN clen = d - dstart; |
368 | STRLEN nlen = dend - dstart + len + UTF8_MAXLEN; |
9b877dbb |
369 | if (!grows) |
370 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8"); |
1aa99e6b |
371 | Renew(dstart, nlen+UTF8_MAXLEN, U8); |
372 | d = dstart + clen; |
373 | dend = dstart + nlen; |
374 | } |
4757a243 |
375 | } |
16ec844d |
376 | if (grows || hibit) { |
9b877dbb |
377 | sv_setpvn(sv, (char*)dstart, d - dstart); |
378 | Safefree(dstart); |
16ec844d |
379 | if (grows && hibit) |
380 | Safefree(start); |
9b877dbb |
381 | } |
382 | else { |
383 | *d = '\0'; |
384 | SvCUR_set(sv, d - dstart); |
385 | } |
4757a243 |
386 | SvSETMAGIC(sv); |
1aa99e6b |
387 | SvUTF8_on(sv); |
9041c2e3 |
388 | /* Downgrading just 'cos it will is suspect - NI-S */ |
1aa99e6b |
389 | if (!isutf8 && !(PL_hints & HINT_UTF8)) |
390 | sv_utf8_downgrade(sv, TRUE); |
4757a243 |
391 | |
392 | return matches; |
393 | } |
394 | |
942e002e |
395 | STATIC I32 |
036b4402 |
396 | S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
397 | { |
4757a243 |
398 | U8 *s; |
1aa99e6b |
399 | U8 *start, *send; |
4757a243 |
400 | I32 matches = 0; |
401 | STRLEN len; |
402 | |
403 | SV* rv = (SV*)cSVOP->op_sv; |
404 | HV* hv = (HV*)SvRV(rv); |
405 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
406 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
407 | UV uv; |
1aa99e6b |
408 | U8 hibit = 0; |
4757a243 |
409 | |
410 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
411 | if (!SvUTF8(sv)) { |
412 | U8 *t = s, *e = s + len; |
c4d5f83a |
413 | while (t < e) { |
414 | U8 ch = *t++; |
415 | if ((hibit = !NATIVE_IS_INVARIANT(ch))) |
1aa99e6b |
416 | break; |
c4d5f83a |
417 | } |
1aa99e6b |
418 | if (hibit) |
419 | start = s = bytes_to_utf8(s, &len); |
420 | } |
4757a243 |
421 | send = s + len; |
422 | |
423 | while (s < send) { |
834a4ddd |
424 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 |
425 | matches++; |
834a4ddd |
426 | s += UTF8SKIP(s); |
4757a243 |
427 | } |
1aa99e6b |
428 | if (hibit) |
429 | Safefree(start); |
4757a243 |
430 | |
431 | return matches; |
432 | } |
433 | |
942e002e |
434 | STATIC I32 |
036b4402 |
435 | S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */ |
4757a243 |
436 | { |
4757a243 |
437 | U8 *s; |
1aa99e6b |
438 | U8 *start, *send; |
4757a243 |
439 | U8 *d; |
440 | I32 matches = 0; |
441 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
4757a243 |
442 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
9b877dbb |
443 | I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
4757a243 |
444 | SV* rv = (SV*)cSVOP->op_sv; |
445 | HV* hv = (HV*)SvRV(rv); |
446 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
447 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
448 | UV extra = none + 1; |
449 | UV final; |
450 | UV uv; |
451 | STRLEN len; |
1aa99e6b |
452 | U8 *dstart, *dend; |
453 | I32 isutf8; |
454 | U8 hibit = 0; |
4757a243 |
455 | |
456 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
457 | isutf8 = SvUTF8(sv); |
458 | if (!isutf8) { |
459 | U8 *t = s, *e = s + len; |
c4d5f83a |
460 | while (t < e) { |
461 | U8 ch = *t++; |
462 | if ((hibit = !NATIVE_IS_INVARIANT(ch))) |
1aa99e6b |
463 | break; |
c4d5f83a |
464 | } |
1aa99e6b |
465 | if (hibit) |
466 | s = bytes_to_utf8(s, &len); |
467 | } |
4757a243 |
468 | send = s + len; |
1aa99e6b |
469 | start = s; |
4757a243 |
470 | |
471 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
472 | if (svp) |
473 | final = SvUV(*svp); |
474 | |
9b877dbb |
475 | if (grows) { |
476 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
477 | New(0, d, len*3+UTF8_MAXLEN, U8); |
478 | dend = d + len * 3; |
479 | dstart = d; |
480 | } |
481 | else { |
482 | dstart = d = s; |
483 | dend = d + len; |
484 | } |
4757a243 |
485 | |
486 | if (squash) { |
487 | UV puv = 0xfeedface; |
488 | while (s < send) { |
1aa99e6b |
489 | uv = swash_fetch(rv, s); |
9041c2e3 |
490 | |
9b877dbb |
491 | if (d > dend) { |
492 | STRLEN clen = d - dstart; |
493 | STRLEN nlen = dend - dstart + len + UTF8_MAXLEN; |
494 | if (!grows) |
495 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8"); |
1aa99e6b |
496 | Renew(dstart, nlen+UTF8_MAXLEN, U8); |
497 | d = dstart + clen; |
498 | dend = dstart + nlen; |
4757a243 |
499 | } |
500 | if (uv < none) { |
501 | matches++; |
94472101 |
502 | s += UTF8SKIP(s); |
4757a243 |
503 | if (uv != puv) { |
9041c2e3 |
504 | d = uvchr_to_utf8(d, uv); |
4757a243 |
505 | puv = uv; |
506 | } |
4757a243 |
507 | continue; |
508 | } |
509 | else if (uv == none) { /* "none" is unmapped character */ |
1aa99e6b |
510 | int i = UTF8SKIP(s); |
9b877dbb |
511 | Copy(s, d, i, U8); |
512 | d += i; |
513 | s += i; |
4757a243 |
514 | puv = 0xfeedface; |
515 | continue; |
a0ed51b3 |
516 | } |
4757a243 |
517 | else if (uv == extra && !del) { |
518 | matches++; |
94472101 |
519 | s += UTF8SKIP(s); |
4757a243 |
520 | if (uv != puv) { |
9041c2e3 |
521 | d = uvchr_to_utf8(d, final); |
4757a243 |
522 | puv = final; |
523 | } |
4757a243 |
524 | continue; |
525 | } |
01ec43d0 |
526 | matches++; /* "none+1" is delete character */ |
527 | s += UTF8SKIP(s); |
a0ed51b3 |
528 | } |
79072805 |
529 | } |
530 | else { |
4757a243 |
531 | while (s < send) { |
1aa99e6b |
532 | uv = swash_fetch(rv, s); |
9b877dbb |
533 | if (d > dend) { |
534 | STRLEN clen = d - dstart; |
535 | STRLEN nlen = dend - dstart + len + UTF8_MAXLEN; |
536 | if (!grows) |
537 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8"); |
1aa99e6b |
538 | Renew(dstart, nlen+UTF8_MAXLEN, U8); |
539 | d = dstart + clen; |
540 | dend = dstart + nlen; |
a0ed51b3 |
541 | } |
4757a243 |
542 | if (uv < none) { |
543 | matches++; |
01ec43d0 |
544 | s += UTF8SKIP(s); |
9041c2e3 |
545 | d = uvchr_to_utf8(d, uv); |
4757a243 |
546 | continue; |
a0ed51b3 |
547 | } |
4757a243 |
548 | else if (uv == none) { /* "none" is unmapped character */ |
1aa99e6b |
549 | int i = UTF8SKIP(s); |
9b877dbb |
550 | Copy(s, d, i, U8); |
551 | d += i; |
552 | s += i; |
4757a243 |
553 | continue; |
79072805 |
554 | } |
4757a243 |
555 | else if (uv == extra && !del) { |
556 | matches++; |
01ec43d0 |
557 | s += UTF8SKIP(s); |
9041c2e3 |
558 | d = uvchr_to_utf8(d, final); |
4757a243 |
559 | continue; |
560 | } |
01ec43d0 |
561 | matches++; /* "none+1" is delete character */ |
562 | s += UTF8SKIP(s); |
79072805 |
563 | } |
4757a243 |
564 | } |
16ec844d |
565 | if (grows || hibit) { |
9b877dbb |
566 | sv_setpvn(sv, (char*)dstart, d - dstart); |
567 | Safefree(dstart); |
16ec844d |
568 | if (grows && hibit) |
569 | Safefree(start); |
9b877dbb |
570 | } |
571 | else { |
572 | *d = '\0'; |
573 | SvCUR_set(sv, d - dstart); |
574 | } |
1aa99e6b |
575 | SvUTF8_on(sv); |
1aa99e6b |
576 | if (!isutf8 && !(PL_hints & HINT_UTF8)) |
577 | sv_utf8_downgrade(sv, TRUE); |
4757a243 |
578 | SvSETMAGIC(sv); |
579 | |
580 | return matches; |
581 | } |
582 | |
583 | I32 |
864dbfa3 |
584 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 |
585 | { |
586 | STRLEN len; |
8e84507e |
587 | I32 hasutf = (PL_op->op_private & |
036b4402 |
588 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 |
589 | |
590 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
cea2e8a9 |
591 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 |
592 | |
593 | (void)SvPV(sv, len); |
594 | if (!len) |
595 | return 0; |
596 | if (!SvPOKp(sv)) |
597 | (void)SvPV_force(sv, len); |
2de7b02f |
598 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
599 | (void)SvPOK_only_UTF8(sv); |
4757a243 |
600 | |
cea2e8a9 |
601 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 |
602 | |
036b4402 |
603 | switch (PL_op->op_private & ~hasutf & 63) { |
4757a243 |
604 | case 0: |
01ec43d0 |
605 | if (hasutf) |
606 | return do_trans_simple_utf8(sv); |
607 | else |
608 | return do_trans_simple(sv); |
4757a243 |
609 | |
610 | case OPpTRANS_IDENTICAL: |
05d340b8 |
611 | case OPpTRANS_IDENTICAL|OPpTRANS_COMPLEMENT: |
01ec43d0 |
612 | if (hasutf) |
613 | return do_trans_count_utf8(sv); |
614 | else |
615 | return do_trans_count(sv); |
4757a243 |
616 | |
617 | default: |
01ec43d0 |
618 | if (hasutf) |
036b4402 |
619 | return do_trans_complex_utf8(sv); |
4757a243 |
620 | else |
036b4402 |
621 | return do_trans_complex(sv); |
79072805 |
622 | } |
79072805 |
623 | } |
624 | |
625 | void |
864dbfa3 |
626 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 |
627 | { |
628 | SV **oldmark = mark; |
629 | register I32 items = sp - mark; |
79072805 |
630 | register STRLEN len; |
463ee0b2 |
631 | STRLEN delimlen; |
632 | register char *delim = SvPV(del, delimlen); |
633 | STRLEN tmplen; |
79072805 |
634 | |
635 | mark++; |
636 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); |
07f14f54 |
637 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 |
638 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
639 | while (items-- > 0) { |
1426bbf4 |
640 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
463ee0b2 |
641 | SvPV(*mark, tmplen); |
642 | len += tmplen; |
79072805 |
643 | } |
644 | mark++; |
645 | } |
646 | SvGROW(sv, len + 1); /* so try to pre-extend */ |
647 | |
648 | mark = oldmark; |
db7c17d7 |
649 | items = sp - mark; |
79072805 |
650 | ++mark; |
651 | } |
652 | |
463ee0b2 |
653 | if (items-- > 0) { |
92d29cee |
654 | sv_setpv(sv, ""); |
655 | if (*mark) |
656 | sv_catsv(sv, *mark); |
463ee0b2 |
657 | mark++; |
658 | } |
79072805 |
659 | else |
660 | sv_setpv(sv,""); |
c512ce4f |
661 | if (delimlen) { |
79072805 |
662 | for (; items > 0; items--,mark++) { |
c512ce4f |
663 | sv_catsv(sv,del); |
79072805 |
664 | sv_catsv(sv,*mark); |
665 | } |
666 | } |
667 | else { |
668 | for (; items > 0; items--,mark++) |
669 | sv_catsv(sv,*mark); |
670 | } |
671 | SvSETMAGIC(sv); |
672 | } |
673 | |
674 | void |
864dbfa3 |
675 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 |
676 | { |
46fc3d4c |
677 | STRLEN patlen; |
678 | char *pat = SvPV(*sarg, patlen); |
679 | bool do_taint = FALSE; |
680 | |
681 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
79072805 |
682 | SvSETMAGIC(sv); |
46fc3d4c |
683 | if (do_taint) |
684 | SvTAINTED_on(sv); |
79072805 |
685 | } |
686 | |
33b45480 |
687 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 |
688 | UV |
689 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) |
690 | { |
691 | STRLEN srclen, len; |
692 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); |
693 | UV retnum = 0; |
694 | |
a50d7633 |
695 | if (offset < 0) |
81e118e0 |
696 | return retnum; |
8e84507e |
697 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 |
698 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
246fae53 |
699 | |
dcad2880 |
700 | if (SvUTF8(sv)) |
33b45480 |
701 | (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE); |
246fae53 |
702 | |
81e118e0 |
703 | offset *= size; /* turn into bit offset */ |
704 | len = (offset + size + 7) / 8; /* required number of bytes */ |
705 | if (len > srclen) { |
706 | if (size <= 8) |
707 | retnum = 0; |
708 | else { |
709 | offset >>= 3; /* turn into byte offset */ |
710 | if (size == 16) { |
711 | if (offset >= srclen) |
712 | retnum = 0; |
713 | else |
628e1a40 |
714 | retnum = (UV) s[offset] << 8; |
81e118e0 |
715 | } |
716 | else if (size == 32) { |
717 | if (offset >= srclen) |
718 | retnum = 0; |
719 | else if (offset + 1 >= srclen) |
720 | retnum = |
721 | ((UV) s[offset ] << 24); |
722 | else if (offset + 2 >= srclen) |
723 | retnum = |
724 | ((UV) s[offset ] << 24) + |
725 | ((UV) s[offset + 1] << 16); |
726 | else |
727 | retnum = |
728 | ((UV) s[offset ] << 24) + |
729 | ((UV) s[offset + 1] << 16) + |
730 | ( s[offset + 2] << 8); |
731 | } |
d7d93a81 |
732 | #ifdef UV_IS_QUAD |
c5a0f51a |
733 | else if (size == 64) { |
c5a0f51a |
734 | if (ckWARN(WARN_PORTABLE)) |
735 | Perl_warner(aTHX_ WARN_PORTABLE, |
736 | "Bit vector size > 32 non-portable"); |
737 | if (offset >= srclen) |
738 | retnum = 0; |
739 | else if (offset + 1 >= srclen) |
740 | retnum = |
741 | (UV) s[offset ] << 56; |
742 | else if (offset + 2 >= srclen) |
743 | retnum = |
744 | ((UV) s[offset ] << 56) + |
745 | ((UV) s[offset + 1] << 48); |
746 | else if (offset + 3 >= srclen) |
747 | retnum = |
748 | ((UV) s[offset ] << 56) + |
749 | ((UV) s[offset + 1] << 48) + |
750 | ((UV) s[offset + 2] << 40); |
751 | else if (offset + 4 >= srclen) |
752 | retnum = |
753 | ((UV) s[offset ] << 56) + |
754 | ((UV) s[offset + 1] << 48) + |
755 | ((UV) s[offset + 2] << 40) + |
756 | ((UV) s[offset + 3] << 32); |
757 | else if (offset + 5 >= srclen) |
758 | retnum = |
759 | ((UV) s[offset ] << 56) + |
760 | ((UV) s[offset + 1] << 48) + |
761 | ((UV) s[offset + 2] << 40) + |
762 | ((UV) s[offset + 3] << 32) + |
763 | ( s[offset + 4] << 24); |
764 | else if (offset + 6 >= srclen) |
765 | retnum = |
766 | ((UV) s[offset ] << 56) + |
767 | ((UV) s[offset + 1] << 48) + |
768 | ((UV) s[offset + 2] << 40) + |
769 | ((UV) s[offset + 3] << 32) + |
770 | ((UV) s[offset + 4] << 24) + |
771 | ((UV) s[offset + 5] << 16); |
772 | else |
8e84507e |
773 | retnum = |
c5a0f51a |
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) + |
628e1a40 |
780 | ( s[offset + 6] << 8); |
c5a0f51a |
781 | } |
782 | #endif |
81e118e0 |
783 | } |
784 | } |
785 | else if (size < 8) |
786 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
787 | else { |
788 | offset >>= 3; /* turn into byte offset */ |
789 | if (size == 8) |
790 | retnum = s[offset]; |
791 | else if (size == 16) |
792 | retnum = |
628e1a40 |
793 | ((UV) s[offset] << 8) + |
81e118e0 |
794 | s[offset + 1]; |
795 | else if (size == 32) |
796 | retnum = |
797 | ((UV) s[offset ] << 24) + |
798 | ((UV) s[offset + 1] << 16) + |
799 | ( s[offset + 2] << 8) + |
800 | s[offset + 3]; |
d7d93a81 |
801 | #ifdef UV_IS_QUAD |
c5a0f51a |
802 | else if (size == 64) { |
c5a0f51a |
803 | if (ckWARN(WARN_PORTABLE)) |
804 | Perl_warner(aTHX_ WARN_PORTABLE, |
805 | "Bit vector size > 32 non-portable"); |
806 | retnum = |
807 | ((UV) s[offset ] << 56) + |
808 | ((UV) s[offset + 1] << 48) + |
809 | ((UV) s[offset + 2] << 40) + |
810 | ((UV) s[offset + 3] << 32) + |
811 | ((UV) s[offset + 4] << 24) + |
812 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
813 | ( s[offset + 6] << 8) + |
c5a0f51a |
814 | s[offset + 7]; |
815 | } |
816 | #endif |
81e118e0 |
817 | } |
818 | |
819 | return retnum; |
820 | } |
821 | |
33b45480 |
822 | /* currently converts input to bytes if possible but doesn't sweat failures, |
823 | * although it does ensure that the string it clobbers is not marked as |
824 | * utf8-valid any more |
825 | */ |
79072805 |
826 | void |
864dbfa3 |
827 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 |
828 | { |
829 | SV *targ = LvTARG(sv); |
830 | register I32 offset; |
831 | register I32 size; |
8990e307 |
832 | register unsigned char *s; |
81e118e0 |
833 | register UV lval; |
79072805 |
834 | I32 mask; |
a0d0e21e |
835 | STRLEN targlen; |
836 | STRLEN len; |
79072805 |
837 | |
8990e307 |
838 | if (!targ) |
839 | return; |
a0d0e21e |
840 | s = (unsigned char*)SvPV_force(targ, targlen); |
246fae53 |
841 | if (SvUTF8(targ)) { |
33b45480 |
842 | /* This is handled by the SvPOK_only below... |
843 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) |
844 | SvUTF8_off(targ); |
845 | */ |
846 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); |
246fae53 |
847 | } |
848 | |
4ebbc975 |
849 | (void)SvPOK_only(targ); |
81e118e0 |
850 | lval = SvUV(sv); |
79072805 |
851 | offset = LvTARGOFF(sv); |
fe58ced6 |
852 | if (offset < 0) |
853 | Perl_croak(aTHX_ "Assigning to negative offset in vec"); |
79072805 |
854 | size = LvTARGLEN(sv); |
8e84507e |
855 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 |
856 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
8e84507e |
857 | |
81e118e0 |
858 | offset *= size; /* turn into bit offset */ |
859 | len = (offset + size + 7) / 8; /* required number of bytes */ |
a0d0e21e |
860 | if (len > targlen) { |
861 | s = (unsigned char*)SvGROW(targ, len + 1); |
12ae5dfc |
862 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e |
863 | SvCUR_set(targ, len); |
864 | } |
8e84507e |
865 | |
79072805 |
866 | if (size < 8) { |
867 | mask = (1 << size) - 1; |
868 | size = offset & 7; |
869 | lval &= mask; |
81e118e0 |
870 | offset >>= 3; /* turn into byte offset */ |
79072805 |
871 | s[offset] &= ~(mask << size); |
872 | s[offset] |= lval << size; |
873 | } |
874 | else { |
81e118e0 |
875 | offset >>= 3; /* turn into byte offset */ |
79072805 |
876 | if (size == 8) |
c5a0f51a |
877 | s[offset ] = lval & 0xff; |
79072805 |
878 | else if (size == 16) { |
c5a0f51a |
879 | s[offset ] = (lval >> 8) & 0xff; |
880 | s[offset+1] = lval & 0xff; |
79072805 |
881 | } |
882 | else if (size == 32) { |
c5a0f51a |
883 | s[offset ] = (lval >> 24) & 0xff; |
884 | s[offset+1] = (lval >> 16) & 0xff; |
885 | s[offset+2] = (lval >> 8) & 0xff; |
886 | s[offset+3] = lval & 0xff; |
887 | } |
d7d93a81 |
888 | #ifdef UV_IS_QUAD |
c5a0f51a |
889 | else if (size == 64) { |
c5a0f51a |
890 | if (ckWARN(WARN_PORTABLE)) |
891 | Perl_warner(aTHX_ WARN_PORTABLE, |
892 | "Bit vector size > 32 non-portable"); |
893 | s[offset ] = (lval >> 56) & 0xff; |
894 | s[offset+1] = (lval >> 48) & 0xff; |
895 | s[offset+2] = (lval >> 40) & 0xff; |
896 | s[offset+3] = (lval >> 32) & 0xff; |
897 | s[offset+4] = (lval >> 24) & 0xff; |
898 | s[offset+5] = (lval >> 16) & 0xff; |
899 | s[offset+6] = (lval >> 8) & 0xff; |
900 | s[offset+7] = lval & 0xff; |
79072805 |
901 | } |
dc1e3f56 |
902 | #endif |
79072805 |
903 | } |
7bb043c3 |
904 | SvSETMAGIC(targ); |
79072805 |
905 | } |
906 | |
907 | void |
864dbfa3 |
908 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 |
909 | { |
463ee0b2 |
910 | STRLEN len; |
a0d0e21e |
911 | char *s; |
8e84507e |
912 | |
79072805 |
913 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e |
914 | register I32 i; |
915 | I32 max; |
916 | AV* av = (AV*)sv; |
917 | max = AvFILL(av); |
918 | for (i = 0; i <= max; i++) { |
919 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
920 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
921 | do_chop(astr, sv); |
922 | } |
923 | return; |
79072805 |
924 | } |
aa854799 |
925 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
926 | HV* hv = (HV*)sv; |
927 | HE* entry; |
928 | (void)hv_iterinit(hv); |
929 | /*SUPPRESS 560*/ |
155aba94 |
930 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
931 | do_chop(astr,hv_iterval(hv,entry)); |
932 | return; |
79072805 |
933 | } |
aa854799 |
934 | else if (SvREADONLY(sv)) |
cea2e8a9 |
935 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
936 | s = SvPV(sv, len); |
748a9306 |
937 | if (len && !SvPOK(sv)) |
a0d0e21e |
938 | s = SvPV_force(sv, len); |
7e2040f0 |
939 | if (DO_UTF8(sv)) { |
a0ed51b3 |
940 | if (s && len) { |
941 | char *send = s + len; |
942 | char *start = s; |
943 | s = send - 1; |
a0dbb045 |
944 | while (s > start && UTF8_IS_CONTINUATION(*s)) |
945 | s--; |
9041c2e3 |
946 | if (utf8_to_uvchr((U8*)s, 0)) { |
a0dbb045 |
947 | sv_setpvn(astr, s, send - s); |
948 | *s = '\0'; |
949 | SvCUR_set(sv, s - start); |
950 | SvNIOK_off(sv); |
951 | SvUTF8_on(astr); |
952 | } |
a0ed51b3 |
953 | } |
954 | else |
955 | sv_setpvn(astr, "", 0); |
956 | } |
7e2040f0 |
957 | else if (s && len) { |
a0d0e21e |
958 | s += --len; |
959 | sv_setpvn(astr, s, 1); |
960 | *s = '\0'; |
961 | SvCUR_set(sv, len); |
2c19a612 |
962 | SvUTF8_off(sv); |
a0d0e21e |
963 | SvNIOK_off(sv); |
79072805 |
964 | } |
965 | else |
a0d0e21e |
966 | sv_setpvn(astr, "", 0); |
967 | SvSETMAGIC(sv); |
7e2040f0 |
968 | } |
a0d0e21e |
969 | |
970 | I32 |
864dbfa3 |
971 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e |
972 | { |
c07a80fd |
973 | register I32 count; |
a0d0e21e |
974 | STRLEN len; |
975 | char *s; |
c07a80fd |
976 | |
3280af22 |
977 | if (RsSNARF(PL_rs)) |
c07a80fd |
978 | return 0; |
4c5a6083 |
979 | if (RsRECORD(PL_rs)) |
980 | return 0; |
c07a80fd |
981 | count = 0; |
a0d0e21e |
982 | if (SvTYPE(sv) == SVt_PVAV) { |
983 | register I32 i; |
984 | I32 max; |
985 | AV* av = (AV*)sv; |
986 | max = AvFILL(av); |
987 | for (i = 0; i <= max; i++) { |
988 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
989 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
990 | count += do_chomp(sv); |
991 | } |
992 | return count; |
993 | } |
aa854799 |
994 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
995 | HV* hv = (HV*)sv; |
996 | HE* entry; |
997 | (void)hv_iterinit(hv); |
998 | /*SUPPRESS 560*/ |
155aba94 |
999 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
1000 | count += do_chomp(hv_iterval(hv,entry)); |
1001 | return count; |
1002 | } |
aa854799 |
1003 | else if (SvREADONLY(sv)) |
cea2e8a9 |
1004 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
1005 | s = SvPV(sv, len); |
1006 | if (len && !SvPOKp(sv)) |
1007 | s = SvPV_force(sv, len); |
1008 | if (s && len) { |
1009 | s += --len; |
3280af22 |
1010 | if (RsPARA(PL_rs)) { |
a0d0e21e |
1011 | if (*s != '\n') |
1012 | goto nope; |
1013 | ++count; |
1014 | while (len && s[-1] == '\n') { |
1015 | --len; |
1016 | --s; |
1017 | ++count; |
1018 | } |
1019 | } |
a0d0e21e |
1020 | else { |
c07a80fd |
1021 | STRLEN rslen; |
3280af22 |
1022 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd |
1023 | if (rslen == 1) { |
1024 | if (*s != *rsptr) |
1025 | goto nope; |
1026 | ++count; |
1027 | } |
1028 | else { |
8c2cee6f |
1029 | if (len < rslen - 1) |
c07a80fd |
1030 | goto nope; |
1031 | len -= rslen - 1; |
1032 | s -= rslen - 1; |
36477c24 |
1033 | if (memNE(s, rsptr, rslen)) |
c07a80fd |
1034 | goto nope; |
1035 | count += rslen; |
1036 | } |
a0d0e21e |
1037 | } |
a0d0e21e |
1038 | *s = '\0'; |
1039 | SvCUR_set(sv, len); |
1040 | SvNIOK_off(sv); |
1041 | } |
1042 | nope: |
1043 | SvSETMAGIC(sv); |
1044 | return count; |
8e84507e |
1045 | } |
79072805 |
1046 | |
1047 | void |
864dbfa3 |
1048 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 |
1049 | { |
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); |
c9b3c8d0 |
1066 | I32 needlen; |
0c57e439 |
1067 | |
1068 | if (left_utf && !right_utf) |
1069 | sv_utf8_upgrade(right); |
a1ca4561 |
1070 | else if (!left_utf && right_utf) |
0c57e439 |
1071 | sv_utf8_upgrade(left); |
79072805 |
1072 | |
1fbd88dc |
1073 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
1074 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ |
7a4c00b4 |
1075 | lsave = lc = SvPV(left, leftlen); |
1076 | rsave = rc = SvPV(right, rightlen); |
93a17b20 |
1077 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e |
1078 | lensave = len; |
c9b3c8d0 |
1079 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
1080 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; |
1081 | Newz(801, dc, needlen + 1, char); |
1082 | } |
1083 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
2d8e6c8d |
1084 | STRLEN n_a; |
1085 | dc = SvPV_force(sv, n_a); |
ff68c719 |
1086 | if (SvCUR(sv) < len) { |
1087 | dc = SvGROW(sv, len + 1); |
1088 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
1089 | } |
c9b3c8d0 |
1090 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
1091 | dc = SvGROW(sv, leftlen + rightlen + 1); |
ff68c719 |
1092 | } |
1093 | else { |
c9b3c8d0 |
1094 | needlen = ((optype == OP_BIT_AND) |
1095 | ? len : (leftlen > rightlen ? leftlen : rightlen)); |
ff68c719 |
1096 | Newz(801, dc, needlen + 1, char); |
1097 | (void)sv_usepvn(sv, dc, needlen); |
1098 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 |
1099 | } |
a0d0e21e |
1100 | SvCUR_set(sv, len); |
1101 | (void)SvPOK_only(sv); |
0c57e439 |
1102 | if (left_utf || right_utf) { |
1103 | UV duc, luc, ruc; |
c9b3c8d0 |
1104 | char *dcsave = dc; |
0c57e439 |
1105 | STRLEN lulen = leftlen; |
1106 | STRLEN rulen = rightlen; |
ba210ebe |
1107 | STRLEN ulen; |
0c57e439 |
1108 | |
1109 | switch (optype) { |
1110 | case OP_BIT_AND: |
1111 | while (lulen && rulen) { |
9041c2e3 |
1112 | luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1113 | lc += ulen; |
1114 | lulen -= ulen; |
9041c2e3 |
1115 | ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1116 | rc += ulen; |
1117 | rulen -= ulen; |
1118 | duc = luc & ruc; |
9041c2e3 |
1119 | dc = (char*)uvchr_to_utf8((U8*)dc, duc); |
0c57e439 |
1120 | } |
c9b3c8d0 |
1121 | if (sv == left || sv == right) |
1122 | (void)sv_usepvn(sv, dcsave, needlen); |
1123 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
1124 | break; |
1125 | case OP_BIT_XOR: |
1126 | while (lulen && rulen) { |
9041c2e3 |
1127 | luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1128 | lc += ulen; |
1129 | lulen -= ulen; |
9041c2e3 |
1130 | ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1131 | rc += ulen; |
1132 | rulen -= ulen; |
1133 | duc = luc ^ ruc; |
9041c2e3 |
1134 | dc = (char*)uvchr_to_utf8((U8*)dc, duc); |
0c57e439 |
1135 | } |
1136 | goto mop_up_utf; |
1137 | case OP_BIT_OR: |
1138 | while (lulen && rulen) { |
9041c2e3 |
1139 | luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1140 | lc += ulen; |
1141 | lulen -= ulen; |
9041c2e3 |
1142 | ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1143 | rc += ulen; |
1144 | rulen -= ulen; |
1145 | duc = luc | ruc; |
9041c2e3 |
1146 | dc = (char*)uvchr_to_utf8((U8*)dc, duc); |
0c57e439 |
1147 | } |
1148 | mop_up_utf: |
c9b3c8d0 |
1149 | if (sv == left || sv == right) |
1150 | (void)sv_usepvn(sv, dcsave, needlen); |
1151 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
1152 | if (rulen) |
1153 | sv_catpvn(sv, rc, rulen); |
1154 | else if (lulen) |
1155 | sv_catpvn(sv, lc, lulen); |
1156 | else |
1157 | *SvEND(sv) = '\0'; |
1158 | break; |
1159 | } |
1160 | SvUTF8_on(sv); |
1161 | goto finish; |
1162 | } |
1163 | else |
79072805 |
1164 | #ifdef LIBERAL |
1165 | if (len >= sizeof(long)*4 && |
1166 | !((long)dc % sizeof(long)) && |
1167 | !((long)lc % sizeof(long)) && |
1168 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ |
1169 | { |
1170 | I32 remainder = len % (sizeof(long)*4); |
1171 | len /= (sizeof(long)*4); |
1172 | |
1173 | dl = (long*)dc; |
1174 | ll = (long*)lc; |
1175 | rl = (long*)rc; |
1176 | |
1177 | switch (optype) { |
1178 | case OP_BIT_AND: |
1179 | while (len--) { |
1180 | *dl++ = *ll++ & *rl++; |
1181 | *dl++ = *ll++ & *rl++; |
1182 | *dl++ = *ll++ & *rl++; |
1183 | *dl++ = *ll++ & *rl++; |
1184 | } |
1185 | break; |
a0d0e21e |
1186 | case OP_BIT_XOR: |
79072805 |
1187 | while (len--) { |
1188 | *dl++ = *ll++ ^ *rl++; |
1189 | *dl++ = *ll++ ^ *rl++; |
1190 | *dl++ = *ll++ ^ *rl++; |
1191 | *dl++ = *ll++ ^ *rl++; |
1192 | } |
1193 | break; |
1194 | case OP_BIT_OR: |
1195 | while (len--) { |
1196 | *dl++ = *ll++ | *rl++; |
1197 | *dl++ = *ll++ | *rl++; |
1198 | *dl++ = *ll++ | *rl++; |
1199 | *dl++ = *ll++ | *rl++; |
1200 | } |
1201 | } |
1202 | |
1203 | dc = (char*)dl; |
1204 | lc = (char*)ll; |
1205 | rc = (char*)rl; |
1206 | |
1207 | len = remainder; |
1208 | } |
1209 | #endif |
a0d0e21e |
1210 | { |
a0d0e21e |
1211 | switch (optype) { |
1212 | case OP_BIT_AND: |
1213 | while (len--) |
1214 | *dc++ = *lc++ & *rc++; |
1215 | break; |
1216 | case OP_BIT_XOR: |
1217 | while (len--) |
1218 | *dc++ = *lc++ ^ *rc++; |
1219 | goto mop_up; |
1220 | case OP_BIT_OR: |
1221 | while (len--) |
1222 | *dc++ = *lc++ | *rc++; |
1223 | mop_up: |
1224 | len = lensave; |
1225 | if (rightlen > len) |
1226 | sv_catpvn(sv, rsave + len, rightlen - len); |
1227 | else if (leftlen > len) |
1228 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 |
1229 | else |
1230 | *SvEND(sv) = '\0'; |
a0d0e21e |
1231 | break; |
1232 | } |
79072805 |
1233 | } |
0c57e439 |
1234 | finish: |
fb73857a |
1235 | SvTAINT(sv); |
79072805 |
1236 | } |
463ee0b2 |
1237 | |
1238 | OP * |
cea2e8a9 |
1239 | Perl_do_kv(pTHX) |
463ee0b2 |
1240 | { |
39644a26 |
1241 | dSP; |
463ee0b2 |
1242 | HV *hv = (HV*)POPs; |
800e9ae0 |
1243 | HV *keys; |
463ee0b2 |
1244 | register HE *entry; |
463ee0b2 |
1245 | SV *tmpstr; |
54310121 |
1246 | I32 gimme = GIMME_V; |
533c011a |
1247 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1248 | I32 dovalues = (PL_op->op_type == OP_VALUES); |
c750a3ec |
1249 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
8e84507e |
1250 | |
1251 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e |
1252 | dokeys = dovalues = TRUE; |
463ee0b2 |
1253 | |
85581909 |
1254 | if (!hv) { |
78f9721b |
1255 | if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */ |
85581909 |
1256 | dTARGET; /* make sure to clear its target here */ |
1257 | if (SvTYPE(TARG) == SVt_PVLV) |
1258 | LvTARG(TARG) = Nullsv; |
1259 | PUSHs(TARG); |
1260 | } |
463ee0b2 |
1261 | RETURN; |
85581909 |
1262 | } |
748a9306 |
1263 | |
800e9ae0 |
1264 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1265 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 |
1266 | |
54310121 |
1267 | if (gimme == G_VOID) |
aa689395 |
1268 | RETURN; |
1269 | |
54310121 |
1270 | if (gimme == G_SCALAR) { |
6ee623d5 |
1271 | IV i; |
463ee0b2 |
1272 | dTARGET; |
1273 | |
78f9721b |
1274 | if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */ |
85581909 |
1275 | if (SvTYPE(TARG) < SVt_PVLV) { |
1276 | sv_upgrade(TARG, SVt_PVLV); |
1277 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); |
1278 | } |
1279 | LvTYPE(TARG) = 'k'; |
800e9ae0 |
1280 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 |
1281 | if (LvTARG(TARG)) |
1282 | SvREFCNT_dec(LvTARG(TARG)); |
800e9ae0 |
1283 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 |
1284 | } |
85581909 |
1285 | PUSHs(TARG); |
1286 | RETURN; |
1287 | } |
1288 | |
33c27489 |
1289 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 |
1290 | i = HvKEYS(keys); |
463ee0b2 |
1291 | else { |
1292 | i = 0; |
463ee0b2 |
1293 | /*SUPPRESS 560*/ |
800e9ae0 |
1294 | while (hv_iternext(keys)) i++; |
463ee0b2 |
1295 | } |
1296 | PUSHi( i ); |
1297 | RETURN; |
1298 | } |
1299 | |
8ed4b672 |
1300 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 |
1301 | |
463ee0b2 |
1302 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 |
1303 | while ((entry = hv_iternext(keys))) { |
463ee0b2 |
1304 | SPAGAIN; |
6bfc225d |
1305 | if (dokeys) |
8c2cee6f |
1306 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 |
1307 | if (dovalues) { |
463ee0b2 |
1308 | PUTBACK; |
b6429b1b |
1309 | tmpstr = realhv ? |
1310 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); |
cea2e8a9 |
1311 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c |
1312 | (unsigned long)HeHASH(entry), |
800e9ae0 |
1313 | HvMAX(keys)+1, |
1314 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 |
1315 | SPAGAIN; |
46fc3d4c |
1316 | XPUSHs(tmpstr); |
463ee0b2 |
1317 | } |
1318 | PUTBACK; |
1319 | } |
1320 | return NORMAL; |
1321 | } |
4e35701f |
1322 | |