Commit | Line | Data |
a0d0e21e |
1 | /* doop.c |
79072805 |
2 | * |
3818b22b |
3 | * Copyright (c) 1991-2000, Larry Wall |
79072805 |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. |
7 | * |
a0d0e21e |
8 | */ |
9 | |
10 | /* |
11 | * "'So that was the job I felt I had to do when I started,' thought Sam." |
79072805 |
12 | */ |
13 | |
14 | #include "EXTERN.h" |
864dbfa3 |
15 | #define PERL_IN_DOOP_C |
79072805 |
16 | #include "perl.h" |
17 | |
64ca3a65 |
18 | #ifndef PERL_MICRO |
79072805 |
19 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
20 | #include <signal.h> |
21 | #endif |
64ca3a65 |
22 | #endif |
79072805 |
23 | |
075321c3 |
24 | #define HALF_UTF8_UPGRADE(start,end) \ |
01ec43d0 |
25 | STMT_START { \ |
96c7109f |
26 | if ((start)<(end)) { \ |
01ec43d0 |
27 | U8* NeWsTr; \ |
48b1b78b |
28 | STRLEN LeN = (end) - (start); \ |
01ec43d0 |
29 | NeWsTr = bytes_to_utf8(start, &LeN); \ |
075321c3 |
30 | Safefree(start); \ |
31 | (start) = NeWsTr; \ |
32 | (end) = (start) + LeN; \ |
96c7109f |
33 | } \ |
01ec43d0 |
34 | } STMT_END |
b250498f |
35 | |
942e002e |
36 | STATIC I32 |
b250498f |
37 | S_do_trans_simple(pTHX_ SV *sv) |
79072805 |
38 | { |
11343788 |
39 | dTHR; |
4757a243 |
40 | U8 *s; |
b250498f |
41 | U8 *d; |
4757a243 |
42 | U8 *send; |
b250498f |
43 | U8 *dstart; |
4757a243 |
44 | I32 matches = 0; |
b250498f |
45 | I32 sutf = SvUTF8(sv); |
463ee0b2 |
46 | STRLEN len; |
4757a243 |
47 | short *tbl; |
48 | I32 ch; |
79072805 |
49 | |
4757a243 |
50 | tbl = (short*)cPVOP->op_pv; |
51 | if (!tbl) |
cea2e8a9 |
52 | Perl_croak(aTHX_ "panic: do_trans"); |
a0ed51b3 |
53 | |
4757a243 |
54 | s = (U8*)SvPV(sv, len); |
55 | send = s + len; |
56 | |
b250498f |
57 | /* First, take care of non-UTF8 input strings, because they're easy */ |
58 | if (!sutf) { |
01ec43d0 |
59 | while (s < send) { |
036b4402 |
60 | if ((ch = tbl[*s]) >= 0) { |
01ec43d0 |
61 | matches++; |
62 | *s++ = ch; |
63 | } |
64 | else |
65 | s++; |
66 | } |
67 | SvSETMAGIC(sv); |
b250498f |
68 | return matches; |
69 | } |
4757a243 |
70 | |
b250498f |
71 | /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ |
72 | Newz(0, d, len*2+1, U8); |
73 | dstart = d; |
74 | while (s < send) { |
ba210ebe |
75 | STRLEN ulen; |
b250498f |
76 | short c; |
77 | |
78 | ulen = 1; |
79 | /* Need to check this, otherwise 128..255 won't match */ |
dcad2880 |
80 | c = utf8_to_uv(s, send - s, &ulen, 0); |
b250498f |
81 | if (c < 0x100 && (ch = tbl[(short)c]) >= 0) { |
82 | matches++; |
8e84507e |
83 | if (ch < 0x80) |
b250498f |
84 | *d++ = ch; |
8e84507e |
85 | else |
b250498f |
86 | d = uv_to_utf8(d,ch); |
87 | s += ulen; |
01ec43d0 |
88 | } |
89 | else { /* No match -> copy */ |
b250498f |
90 | while (ulen--) |
91 | *d++ = *s++; |
92 | } |
93 | } |
01ec43d0 |
94 | *d = '\0'; |
be3174d2 |
95 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
fdbb8cbd |
96 | Safefree(dstart); |
b250498f |
97 | SvUTF8_on(sv); |
b250498f |
98 | SvSETMAGIC(sv); |
4757a243 |
99 | return matches; |
100 | } |
101 | |
942e002e |
102 | STATIC I32 |
036b4402 |
103 | S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
104 | { |
105 | dTHR; |
106 | U8 *s; |
107 | U8 *send; |
108 | I32 matches = 0; |
036b4402 |
109 | I32 hasutf = SvUTF8(sv); |
4757a243 |
110 | STRLEN len; |
111 | short *tbl; |
112 | |
113 | tbl = (short*)cPVOP->op_pv; |
114 | if (!tbl) |
cea2e8a9 |
115 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 |
116 | |
117 | s = (U8*)SvPV(sv, len); |
118 | send = s + len; |
119 | |
120 | while (s < send) { |
036b4402 |
121 | if (hasutf && *s & 0x80) |
01ec43d0 |
122 | s += UTF8SKIP(s); |
036b4402 |
123 | else { |
b250498f |
124 | UV c; |
ba210ebe |
125 | STRLEN ulen; |
b250498f |
126 | ulen = 1; |
127 | if (hasutf) |
dcad2880 |
128 | c = utf8_to_uv(s, send - s, &ulen, 0); |
b250498f |
129 | else |
130 | c = *s; |
131 | if (c < 0x100 && tbl[c] >= 0) |
036b4402 |
132 | matches++; |
01ec43d0 |
133 | s += ulen; |
036b4402 |
134 | } |
4757a243 |
135 | } |
136 | |
137 | return matches; |
138 | } |
139 | |
942e002e |
140 | STATIC I32 |
b250498f |
141 | S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */ |
4757a243 |
142 | { |
143 | dTHR; |
144 | U8 *s; |
145 | U8 *send; |
146 | U8 *d; |
5e44153e |
147 | U8 *dstart; |
036b4402 |
148 | I32 hasutf = SvUTF8(sv); |
4757a243 |
149 | I32 matches = 0; |
150 | STRLEN len; |
151 | short *tbl; |
152 | I32 ch; |
153 | |
154 | tbl = (short*)cPVOP->op_pv; |
155 | if (!tbl) |
cea2e8a9 |
156 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 |
157 | |
158 | s = (U8*)SvPV(sv, len); |
159 | send = s + len; |
160 | |
5e44153e |
161 | Newz(0, d, len*2+1, U8); |
162 | dstart = d; |
163 | |
4757a243 |
164 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
165 | U8* p = send; |
166 | |
167 | while (s < send) { |
036b4402 |
168 | if (hasutf && *s & 0x80) |
01ec43d0 |
169 | s += UTF8SKIP(s); |
036b4402 |
170 | else { |
171 | if ((ch = tbl[*s]) >= 0) { |
172 | *d = ch; |
173 | matches++; |
5e44153e |
174 | if (p != d - 1 || *p != *d) |
036b4402 |
175 | p = d++; |
176 | } |
01ec43d0 |
177 | else if (ch == -1) /* -1 is unmapped character */ |
036b4402 |
178 | *d++ = *s; /* -2 is delete character */ |
179 | s++; |
180 | } |
a0ed51b3 |
181 | } |
4757a243 |
182 | } |
183 | else { |
184 | while (s < send) { |
5e44153e |
185 | UV comp; |
036b4402 |
186 | if (hasutf && *s & 0x80) |
5e44153e |
187 | comp = utf8_to_uv_simple(s, NULL); |
188 | else |
189 | comp = *s; |
190 | |
191 | ch = tbl[comp]; |
192 | |
193 | if (ch == -1) { /* -1 is unmapped character */ |
194 | ch = comp; |
195 | matches--; |
196 | } |
197 | |
198 | if (ch >= 0) { |
199 | if (hasutf) |
200 | d = uv_to_utf8(d, ch); |
201 | else |
202 | *d++ = ch; |
203 | } |
204 | matches++; |
205 | |
206 | s += hasutf && *s & 0x80 ? UNISKIP(*s) : 1; |
207 | |
5d06d08e |
208 | } |
4757a243 |
209 | } |
5e44153e |
210 | |
4757a243 |
211 | *d = '\0'; |
4757a243 |
212 | |
5e44153e |
213 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
214 | Safefree(dstart); |
215 | if (hasutf) |
216 | SvUTF8_on(sv); |
217 | SvSETMAGIC(sv); |
4757a243 |
218 | return matches; |
5e44153e |
219 | |
4757a243 |
220 | } |
221 | |
942e002e |
222 | STATIC I32 |
036b4402 |
223 | S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
224 | { |
225 | dTHR; |
226 | U8 *s; |
227 | U8 *send; |
228 | U8 *d; |
036b4402 |
229 | U8 *start; |
230 | U8 *dstart; |
4757a243 |
231 | I32 matches = 0; |
232 | STRLEN len; |
233 | |
234 | SV* rv = (SV*)cSVOP->op_sv; |
235 | HV* hv = (HV*)SvRV(rv); |
236 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
237 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
238 | UV extra = none + 1; |
239 | UV final; |
240 | UV uv; |
8e84507e |
241 | I32 isutf; |
036b4402 |
242 | I32 howmany; |
4757a243 |
243 | |
036b4402 |
244 | isutf = SvUTF8(sv); |
4757a243 |
245 | s = (U8*)SvPV(sv, len); |
246 | send = s + len; |
036b4402 |
247 | start = s; |
4757a243 |
248 | |
249 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
250 | if (svp) |
251 | final = SvUV(*svp); |
252 | |
036b4402 |
253 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
254 | Newz(0, d, len*2+1, U8); |
255 | dstart = d; |
4757a243 |
256 | while (s < send) { |
257 | if ((uv = swash_fetch(rv, s)) < none) { |
258 | s += UTF8SKIP(s); |
259 | matches++; |
01ec43d0 |
260 | if ((uv & 0x80) && !isutf++) |
075321c3 |
261 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 |
262 | d = uv_to_utf8(d, uv); |
263 | } |
264 | else if (uv == none) { |
265 | int i; |
01ec43d0 |
266 | i = UTF8SKIP(s); |
b250498f |
267 | if (i > 1 && !isutf++) |
075321c3 |
268 | HALF_UTF8_UPGRADE(dstart,d); |
036b4402 |
269 | while(i--) |
075321c3 |
270 | *d++ = *s++; |
4757a243 |
271 | } |
272 | else if (uv == extra) { |
036b4402 |
273 | int i; |
01ec43d0 |
274 | i = UTF8SKIP(s); |
036b4402 |
275 | s += i; |
4757a243 |
276 | matches++; |
8e84507e |
277 | if (i > 1 && !isutf++) |
075321c3 |
278 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 |
279 | d = uv_to_utf8(d, final); |
280 | } |
281 | else |
282 | s += UTF8SKIP(s); |
283 | } |
284 | *d = '\0'; |
be3174d2 |
285 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
4757a243 |
286 | SvSETMAGIC(sv); |
036b4402 |
287 | if (isutf) |
288 | SvUTF8_on(sv); |
4757a243 |
289 | |
290 | return matches; |
291 | } |
292 | |
942e002e |
293 | STATIC I32 |
036b4402 |
294 | S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
295 | { |
296 | dTHR; |
297 | U8 *s; |
298 | U8 *send; |
299 | I32 matches = 0; |
300 | STRLEN len; |
301 | |
302 | SV* rv = (SV*)cSVOP->op_sv; |
303 | HV* hv = (HV*)SvRV(rv); |
304 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
305 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
306 | UV uv; |
307 | |
308 | s = (U8*)SvPV(sv, len); |
036b4402 |
309 | if (!SvUTF8(sv)) |
310 | s = bytes_to_utf8(s, &len); |
4757a243 |
311 | send = s + len; |
312 | |
313 | while (s < send) { |
834a4ddd |
314 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 |
315 | matches++; |
834a4ddd |
316 | s += UTF8SKIP(s); |
4757a243 |
317 | } |
318 | |
319 | return matches; |
320 | } |
321 | |
942e002e |
322 | STATIC I32 |
036b4402 |
323 | S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */ |
4757a243 |
324 | { |
325 | dTHR; |
326 | U8 *s; |
327 | U8 *send; |
328 | U8 *d; |
329 | I32 matches = 0; |
330 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
4757a243 |
331 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
332 | SV* rv = (SV*)cSVOP->op_sv; |
333 | HV* hv = (HV*)SvRV(rv); |
334 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
335 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
336 | UV extra = none + 1; |
337 | UV final; |
338 | UV uv; |
339 | STRLEN len; |
340 | U8 *dst; |
b250498f |
341 | I32 isutf = SvUTF8(sv); |
4757a243 |
342 | |
343 | s = (U8*)SvPV(sv, len); |
344 | send = s + len; |
345 | |
346 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
347 | if (svp) |
348 | final = SvUV(*svp); |
349 | |
b250498f |
350 | Newz(0, d, len*2+1, U8); |
4757a243 |
351 | dst = d; |
4757a243 |
352 | |
353 | if (squash) { |
354 | UV puv = 0xfeedface; |
355 | while (s < send) { |
8e84507e |
356 | if (SvUTF8(sv)) |
4757a243 |
357 | uv = swash_fetch(rv, s); |
a0ed51b3 |
358 | else { |
4757a243 |
359 | U8 tmpbuf[2]; |
360 | uv = *s++; |
361 | if (uv < 0x80) |
362 | tmpbuf[0] = uv; |
363 | else { |
364 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
365 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
366 | } |
367 | uv = swash_fetch(rv, tmpbuf); |
368 | } |
b250498f |
369 | |
4757a243 |
370 | if (uv < none) { |
371 | matches++; |
372 | if (uv != puv) { |
8e84507e |
373 | if ((uv & 0x80) && !isutf++) |
075321c3 |
374 | HALF_UTF8_UPGRADE(dst,d); |
01ec43d0 |
375 | d = uv_to_utf8(d, uv); |
4757a243 |
376 | puv = uv; |
377 | } |
075321c3 |
378 | s += UTF8SKIP(s); |
4757a243 |
379 | continue; |
380 | } |
381 | else if (uv == none) { /* "none" is unmapped character */ |
ba210ebe |
382 | STRLEN ulen; |
dcad2880 |
383 | *d++ = (U8)utf8_to_uv(s, send - s, &ulen, 0); |
01ec43d0 |
384 | s += ulen; |
4757a243 |
385 | puv = 0xfeedface; |
386 | continue; |
a0ed51b3 |
387 | } |
4757a243 |
388 | else if (uv == extra && !del) { |
389 | matches++; |
390 | if (uv != puv) { |
01ec43d0 |
391 | d = uv_to_utf8(d, final); |
4757a243 |
392 | puv = final; |
393 | } |
01ec43d0 |
394 | s += UTF8SKIP(s); |
4757a243 |
395 | continue; |
396 | } |
01ec43d0 |
397 | matches++; /* "none+1" is delete character */ |
398 | s += UTF8SKIP(s); |
a0ed51b3 |
399 | } |
79072805 |
400 | } |
401 | else { |
4757a243 |
402 | while (s < send) { |
8e84507e |
403 | if (SvUTF8(sv)) |
4757a243 |
404 | uv = swash_fetch(rv, s); |
4757a243 |
405 | else { |
406 | U8 tmpbuf[2]; |
407 | uv = *s++; |
408 | if (uv < 0x80) |
409 | tmpbuf[0] = uv; |
410 | else { |
411 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
412 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
a0ed51b3 |
413 | } |
4757a243 |
414 | uv = swash_fetch(rv, tmpbuf); |
a0ed51b3 |
415 | } |
4757a243 |
416 | if (uv < none) { |
417 | matches++; |
01ec43d0 |
418 | d = uv_to_utf8(d, uv); |
419 | s += UTF8SKIP(s); |
4757a243 |
420 | continue; |
a0ed51b3 |
421 | } |
4757a243 |
422 | else if (uv == none) { /* "none" is unmapped character */ |
ba210ebe |
423 | STRLEN ulen; |
dcad2880 |
424 | *d++ = (U8)utf8_to_uv(s, send - s, &ulen, 0); |
01ec43d0 |
425 | s += ulen; |
4757a243 |
426 | continue; |
79072805 |
427 | } |
4757a243 |
428 | else if (uv == extra && !del) { |
429 | matches++; |
01ec43d0 |
430 | d = uv_to_utf8(d, final); |
431 | s += UTF8SKIP(s); |
4757a243 |
432 | continue; |
433 | } |
01ec43d0 |
434 | matches++; /* "none+1" is delete character */ |
435 | s += UTF8SKIP(s); |
79072805 |
436 | } |
4757a243 |
437 | } |
438 | if (dst) |
439 | sv_usepvn(sv, (char*)dst, d - dst); |
440 | else { |
441 | *d = '\0'; |
442 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
443 | } |
444 | SvSETMAGIC(sv); |
445 | |
446 | return matches; |
447 | } |
448 | |
449 | I32 |
864dbfa3 |
450 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 |
451 | { |
46124e9e |
452 | dTHR; |
4757a243 |
453 | STRLEN len; |
8e84507e |
454 | I32 hasutf = (PL_op->op_private & |
036b4402 |
455 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 |
456 | |
457 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
cea2e8a9 |
458 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 |
459 | |
460 | (void)SvPV(sv, len); |
461 | if (!len) |
462 | return 0; |
463 | if (!SvPOKp(sv)) |
464 | (void)SvPV_force(sv, len); |
2de7b02f |
465 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
466 | (void)SvPOK_only_UTF8(sv); |
4757a243 |
467 | |
cea2e8a9 |
468 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 |
469 | |
036b4402 |
470 | switch (PL_op->op_private & ~hasutf & 63) { |
4757a243 |
471 | case 0: |
01ec43d0 |
472 | if (hasutf) |
473 | return do_trans_simple_utf8(sv); |
474 | else |
475 | return do_trans_simple(sv); |
4757a243 |
476 | |
477 | case OPpTRANS_IDENTICAL: |
01ec43d0 |
478 | if (hasutf) |
479 | return do_trans_count_utf8(sv); |
480 | else |
481 | return do_trans_count(sv); |
4757a243 |
482 | |
483 | default: |
01ec43d0 |
484 | if (hasutf) |
036b4402 |
485 | return do_trans_complex_utf8(sv); |
4757a243 |
486 | else |
036b4402 |
487 | return do_trans_complex(sv); |
79072805 |
488 | } |
79072805 |
489 | } |
490 | |
491 | void |
864dbfa3 |
492 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 |
493 | { |
494 | SV **oldmark = mark; |
495 | register I32 items = sp - mark; |
79072805 |
496 | register STRLEN len; |
463ee0b2 |
497 | STRLEN delimlen; |
498 | register char *delim = SvPV(del, delimlen); |
499 | STRLEN tmplen; |
79072805 |
500 | |
501 | mark++; |
502 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); |
07f14f54 |
503 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 |
504 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
505 | while (items-- > 0) { |
1426bbf4 |
506 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
463ee0b2 |
507 | SvPV(*mark, tmplen); |
508 | len += tmplen; |
79072805 |
509 | } |
510 | mark++; |
511 | } |
512 | SvGROW(sv, len + 1); /* so try to pre-extend */ |
513 | |
514 | mark = oldmark; |
db7c17d7 |
515 | items = sp - mark; |
79072805 |
516 | ++mark; |
517 | } |
518 | |
463ee0b2 |
519 | if (items-- > 0) { |
8990e307 |
520 | char *s; |
521 | |
92d29cee |
522 | sv_setpv(sv, ""); |
523 | if (*mark) |
524 | sv_catsv(sv, *mark); |
463ee0b2 |
525 | mark++; |
526 | } |
79072805 |
527 | else |
528 | sv_setpv(sv,""); |
529 | len = delimlen; |
530 | if (len) { |
531 | for (; items > 0; items--,mark++) { |
532 | sv_catpvn(sv,delim,len); |
533 | sv_catsv(sv,*mark); |
534 | } |
535 | } |
536 | else { |
537 | for (; items > 0; items--,mark++) |
538 | sv_catsv(sv,*mark); |
539 | } |
540 | SvSETMAGIC(sv); |
541 | } |
542 | |
543 | void |
864dbfa3 |
544 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 |
545 | { |
46fc3d4c |
546 | STRLEN patlen; |
547 | char *pat = SvPV(*sarg, patlen); |
548 | bool do_taint = FALSE; |
549 | |
550 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
79072805 |
551 | SvSETMAGIC(sv); |
46fc3d4c |
552 | if (do_taint) |
553 | SvTAINTED_on(sv); |
79072805 |
554 | } |
555 | |
33b45480 |
556 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 |
557 | UV |
558 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) |
559 | { |
560 | STRLEN srclen, len; |
561 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); |
562 | UV retnum = 0; |
563 | |
a50d7633 |
564 | if (offset < 0) |
81e118e0 |
565 | return retnum; |
8e84507e |
566 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 |
567 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
246fae53 |
568 | |
dcad2880 |
569 | if (SvUTF8(sv)) |
33b45480 |
570 | (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE); |
246fae53 |
571 | |
81e118e0 |
572 | offset *= size; /* turn into bit offset */ |
573 | len = (offset + size + 7) / 8; /* required number of bytes */ |
574 | if (len > srclen) { |
575 | if (size <= 8) |
576 | retnum = 0; |
577 | else { |
578 | offset >>= 3; /* turn into byte offset */ |
579 | if (size == 16) { |
580 | if (offset >= srclen) |
581 | retnum = 0; |
582 | else |
628e1a40 |
583 | retnum = (UV) s[offset] << 8; |
81e118e0 |
584 | } |
585 | else if (size == 32) { |
586 | if (offset >= srclen) |
587 | retnum = 0; |
588 | else if (offset + 1 >= srclen) |
589 | retnum = |
590 | ((UV) s[offset ] << 24); |
591 | else if (offset + 2 >= srclen) |
592 | retnum = |
593 | ((UV) s[offset ] << 24) + |
594 | ((UV) s[offset + 1] << 16); |
595 | else |
596 | retnum = |
597 | ((UV) s[offset ] << 24) + |
598 | ((UV) s[offset + 1] << 16) + |
599 | ( s[offset + 2] << 8); |
600 | } |
d7d93a81 |
601 | #ifdef UV_IS_QUAD |
c5a0f51a |
602 | else if (size == 64) { |
603 | dTHR; |
604 | if (ckWARN(WARN_PORTABLE)) |
605 | Perl_warner(aTHX_ WARN_PORTABLE, |
606 | "Bit vector size > 32 non-portable"); |
607 | if (offset >= srclen) |
608 | retnum = 0; |
609 | else if (offset + 1 >= srclen) |
610 | retnum = |
611 | (UV) s[offset ] << 56; |
612 | else if (offset + 2 >= srclen) |
613 | retnum = |
614 | ((UV) s[offset ] << 56) + |
615 | ((UV) s[offset + 1] << 48); |
616 | else if (offset + 3 >= srclen) |
617 | retnum = |
618 | ((UV) s[offset ] << 56) + |
619 | ((UV) s[offset + 1] << 48) + |
620 | ((UV) s[offset + 2] << 40); |
621 | else if (offset + 4 >= srclen) |
622 | retnum = |
623 | ((UV) s[offset ] << 56) + |
624 | ((UV) s[offset + 1] << 48) + |
625 | ((UV) s[offset + 2] << 40) + |
626 | ((UV) s[offset + 3] << 32); |
627 | else if (offset + 5 >= srclen) |
628 | retnum = |
629 | ((UV) s[offset ] << 56) + |
630 | ((UV) s[offset + 1] << 48) + |
631 | ((UV) s[offset + 2] << 40) + |
632 | ((UV) s[offset + 3] << 32) + |
633 | ( s[offset + 4] << 24); |
634 | else if (offset + 6 >= srclen) |
635 | retnum = |
636 | ((UV) s[offset ] << 56) + |
637 | ((UV) s[offset + 1] << 48) + |
638 | ((UV) s[offset + 2] << 40) + |
639 | ((UV) s[offset + 3] << 32) + |
640 | ((UV) s[offset + 4] << 24) + |
641 | ((UV) s[offset + 5] << 16); |
642 | else |
8e84507e |
643 | retnum = |
c5a0f51a |
644 | ((UV) s[offset ] << 56) + |
645 | ((UV) s[offset + 1] << 48) + |
646 | ((UV) s[offset + 2] << 40) + |
647 | ((UV) s[offset + 3] << 32) + |
648 | ((UV) s[offset + 4] << 24) + |
649 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
650 | ( s[offset + 6] << 8); |
c5a0f51a |
651 | } |
652 | #endif |
81e118e0 |
653 | } |
654 | } |
655 | else if (size < 8) |
656 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
657 | else { |
658 | offset >>= 3; /* turn into byte offset */ |
659 | if (size == 8) |
660 | retnum = s[offset]; |
661 | else if (size == 16) |
662 | retnum = |
628e1a40 |
663 | ((UV) s[offset] << 8) + |
81e118e0 |
664 | s[offset + 1]; |
665 | else if (size == 32) |
666 | retnum = |
667 | ((UV) s[offset ] << 24) + |
668 | ((UV) s[offset + 1] << 16) + |
669 | ( s[offset + 2] << 8) + |
670 | s[offset + 3]; |
d7d93a81 |
671 | #ifdef UV_IS_QUAD |
c5a0f51a |
672 | else if (size == 64) { |
673 | dTHR; |
674 | if (ckWARN(WARN_PORTABLE)) |
675 | Perl_warner(aTHX_ WARN_PORTABLE, |
676 | "Bit vector size > 32 non-portable"); |
677 | retnum = |
678 | ((UV) s[offset ] << 56) + |
679 | ((UV) s[offset + 1] << 48) + |
680 | ((UV) s[offset + 2] << 40) + |
681 | ((UV) s[offset + 3] << 32) + |
682 | ((UV) s[offset + 4] << 24) + |
683 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
684 | ( s[offset + 6] << 8) + |
c5a0f51a |
685 | s[offset + 7]; |
686 | } |
687 | #endif |
81e118e0 |
688 | } |
689 | |
690 | return retnum; |
691 | } |
692 | |
33b45480 |
693 | /* currently converts input to bytes if possible but doesn't sweat failures, |
694 | * although it does ensure that the string it clobbers is not marked as |
695 | * utf8-valid any more |
696 | */ |
79072805 |
697 | void |
864dbfa3 |
698 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 |
699 | { |
700 | SV *targ = LvTARG(sv); |
701 | register I32 offset; |
702 | register I32 size; |
8990e307 |
703 | register unsigned char *s; |
81e118e0 |
704 | register UV lval; |
79072805 |
705 | I32 mask; |
a0d0e21e |
706 | STRLEN targlen; |
707 | STRLEN len; |
79072805 |
708 | |
8990e307 |
709 | if (!targ) |
710 | return; |
a0d0e21e |
711 | s = (unsigned char*)SvPV_force(targ, targlen); |
246fae53 |
712 | if (SvUTF8(targ)) { |
33b45480 |
713 | /* This is handled by the SvPOK_only below... |
714 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) |
715 | SvUTF8_off(targ); |
716 | */ |
717 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); |
246fae53 |
718 | } |
719 | |
4ebbc975 |
720 | (void)SvPOK_only(targ); |
81e118e0 |
721 | lval = SvUV(sv); |
79072805 |
722 | offset = LvTARGOFF(sv); |
fe58ced6 |
723 | if (offset < 0) |
724 | Perl_croak(aTHX_ "Assigning to negative offset in vec"); |
79072805 |
725 | size = LvTARGLEN(sv); |
8e84507e |
726 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 |
727 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
8e84507e |
728 | |
81e118e0 |
729 | offset *= size; /* turn into bit offset */ |
730 | len = (offset + size + 7) / 8; /* required number of bytes */ |
a0d0e21e |
731 | if (len > targlen) { |
732 | s = (unsigned char*)SvGROW(targ, len + 1); |
12ae5dfc |
733 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e |
734 | SvCUR_set(targ, len); |
735 | } |
8e84507e |
736 | |
79072805 |
737 | if (size < 8) { |
738 | mask = (1 << size) - 1; |
739 | size = offset & 7; |
740 | lval &= mask; |
81e118e0 |
741 | offset >>= 3; /* turn into byte offset */ |
79072805 |
742 | s[offset] &= ~(mask << size); |
743 | s[offset] |= lval << size; |
744 | } |
745 | else { |
81e118e0 |
746 | offset >>= 3; /* turn into byte offset */ |
79072805 |
747 | if (size == 8) |
c5a0f51a |
748 | s[offset ] = lval & 0xff; |
79072805 |
749 | else if (size == 16) { |
c5a0f51a |
750 | s[offset ] = (lval >> 8) & 0xff; |
751 | s[offset+1] = lval & 0xff; |
79072805 |
752 | } |
753 | else if (size == 32) { |
c5a0f51a |
754 | s[offset ] = (lval >> 24) & 0xff; |
755 | s[offset+1] = (lval >> 16) & 0xff; |
756 | s[offset+2] = (lval >> 8) & 0xff; |
757 | s[offset+3] = lval & 0xff; |
758 | } |
d7d93a81 |
759 | #ifdef UV_IS_QUAD |
c5a0f51a |
760 | else if (size == 64) { |
761 | dTHR; |
762 | if (ckWARN(WARN_PORTABLE)) |
763 | Perl_warner(aTHX_ WARN_PORTABLE, |
764 | "Bit vector size > 32 non-portable"); |
765 | s[offset ] = (lval >> 56) & 0xff; |
766 | s[offset+1] = (lval >> 48) & 0xff; |
767 | s[offset+2] = (lval >> 40) & 0xff; |
768 | s[offset+3] = (lval >> 32) & 0xff; |
769 | s[offset+4] = (lval >> 24) & 0xff; |
770 | s[offset+5] = (lval >> 16) & 0xff; |
771 | s[offset+6] = (lval >> 8) & 0xff; |
772 | s[offset+7] = lval & 0xff; |
79072805 |
773 | } |
dc1e3f56 |
774 | #endif |
79072805 |
775 | } |
7bb043c3 |
776 | SvSETMAGIC(targ); |
79072805 |
777 | } |
778 | |
779 | void |
864dbfa3 |
780 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 |
781 | { |
463ee0b2 |
782 | STRLEN len; |
a0d0e21e |
783 | char *s; |
c485e607 |
784 | dTHR; |
8e84507e |
785 | |
79072805 |
786 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e |
787 | register I32 i; |
788 | I32 max; |
789 | AV* av = (AV*)sv; |
790 | max = AvFILL(av); |
791 | for (i = 0; i <= max; i++) { |
792 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
793 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
794 | do_chop(astr, sv); |
795 | } |
796 | return; |
79072805 |
797 | } |
aa854799 |
798 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
799 | HV* hv = (HV*)sv; |
800 | HE* entry; |
801 | (void)hv_iterinit(hv); |
802 | /*SUPPRESS 560*/ |
155aba94 |
803 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
804 | do_chop(astr,hv_iterval(hv,entry)); |
805 | return; |
79072805 |
806 | } |
aa854799 |
807 | else if (SvREADONLY(sv)) |
cea2e8a9 |
808 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
809 | s = SvPV(sv, len); |
748a9306 |
810 | if (len && !SvPOK(sv)) |
a0d0e21e |
811 | s = SvPV_force(sv, len); |
7e2040f0 |
812 | if (DO_UTF8(sv)) { |
a0ed51b3 |
813 | if (s && len) { |
814 | char *send = s + len; |
815 | char *start = s; |
816 | s = send - 1; |
817 | while ((*s & 0xc0) == 0x80) |
818 | --s; |
0453d815 |
819 | if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8)) |
820 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); |
a0ed51b3 |
821 | sv_setpvn(astr, s, send - s); |
822 | *s = '\0'; |
823 | SvCUR_set(sv, s - start); |
824 | SvNIOK_off(sv); |
7e2040f0 |
825 | SvUTF8_on(astr); |
a0ed51b3 |
826 | } |
827 | else |
828 | sv_setpvn(astr, "", 0); |
829 | } |
7e2040f0 |
830 | else if (s && len) { |
a0d0e21e |
831 | s += --len; |
832 | sv_setpvn(astr, s, 1); |
833 | *s = '\0'; |
834 | SvCUR_set(sv, len); |
2c19a612 |
835 | SvUTF8_off(sv); |
a0d0e21e |
836 | SvNIOK_off(sv); |
79072805 |
837 | } |
838 | else |
a0d0e21e |
839 | sv_setpvn(astr, "", 0); |
840 | SvSETMAGIC(sv); |
7e2040f0 |
841 | } |
a0d0e21e |
842 | |
843 | I32 |
864dbfa3 |
844 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e |
845 | { |
aeea060c |
846 | dTHR; |
c07a80fd |
847 | register I32 count; |
a0d0e21e |
848 | STRLEN len; |
849 | char *s; |
c07a80fd |
850 | |
3280af22 |
851 | if (RsSNARF(PL_rs)) |
c07a80fd |
852 | return 0; |
4c5a6083 |
853 | if (RsRECORD(PL_rs)) |
854 | return 0; |
c07a80fd |
855 | count = 0; |
a0d0e21e |
856 | if (SvTYPE(sv) == SVt_PVAV) { |
857 | register I32 i; |
858 | I32 max; |
859 | AV* av = (AV*)sv; |
860 | max = AvFILL(av); |
861 | for (i = 0; i <= max; i++) { |
862 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
863 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
864 | count += do_chomp(sv); |
865 | } |
866 | return count; |
867 | } |
aa854799 |
868 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
869 | HV* hv = (HV*)sv; |
870 | HE* entry; |
871 | (void)hv_iterinit(hv); |
872 | /*SUPPRESS 560*/ |
155aba94 |
873 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
874 | count += do_chomp(hv_iterval(hv,entry)); |
875 | return count; |
876 | } |
aa854799 |
877 | else if (SvREADONLY(sv)) |
cea2e8a9 |
878 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
879 | s = SvPV(sv, len); |
880 | if (len && !SvPOKp(sv)) |
881 | s = SvPV_force(sv, len); |
882 | if (s && len) { |
883 | s += --len; |
3280af22 |
884 | if (RsPARA(PL_rs)) { |
a0d0e21e |
885 | if (*s != '\n') |
886 | goto nope; |
887 | ++count; |
888 | while (len && s[-1] == '\n') { |
889 | --len; |
890 | --s; |
891 | ++count; |
892 | } |
893 | } |
a0d0e21e |
894 | else { |
c07a80fd |
895 | STRLEN rslen; |
3280af22 |
896 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd |
897 | if (rslen == 1) { |
898 | if (*s != *rsptr) |
899 | goto nope; |
900 | ++count; |
901 | } |
902 | else { |
8c2cee6f |
903 | if (len < rslen - 1) |
c07a80fd |
904 | goto nope; |
905 | len -= rslen - 1; |
906 | s -= rslen - 1; |
36477c24 |
907 | if (memNE(s, rsptr, rslen)) |
c07a80fd |
908 | goto nope; |
909 | count += rslen; |
910 | } |
a0d0e21e |
911 | } |
a0d0e21e |
912 | *s = '\0'; |
913 | SvCUR_set(sv, len); |
914 | SvNIOK_off(sv); |
915 | } |
916 | nope: |
917 | SvSETMAGIC(sv); |
918 | return count; |
8e84507e |
919 | } |
79072805 |
920 | |
921 | void |
864dbfa3 |
922 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 |
923 | { |
aeea060c |
924 | dTHR; /* just for taint */ |
79072805 |
925 | #ifdef LIBERAL |
926 | register long *dl; |
927 | register long *ll; |
928 | register long *rl; |
929 | #endif |
930 | register char *dc; |
463ee0b2 |
931 | STRLEN leftlen; |
932 | STRLEN rightlen; |
7a4c00b4 |
933 | register char *lc; |
934 | register char *rc; |
79072805 |
935 | register I32 len; |
a0d0e21e |
936 | I32 lensave; |
7a4c00b4 |
937 | char *lsave; |
938 | char *rsave; |
0c57e439 |
939 | bool left_utf = DO_UTF8(left); |
940 | bool right_utf = DO_UTF8(right); |
c9b3c8d0 |
941 | I32 needlen; |
0c57e439 |
942 | |
943 | if (left_utf && !right_utf) |
944 | sv_utf8_upgrade(right); |
a1ca4561 |
945 | else if (!left_utf && right_utf) |
0c57e439 |
946 | sv_utf8_upgrade(left); |
79072805 |
947 | |
1fbd88dc |
948 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
949 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ |
7a4c00b4 |
950 | lsave = lc = SvPV(left, leftlen); |
951 | rsave = rc = SvPV(right, rightlen); |
93a17b20 |
952 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e |
953 | lensave = len; |
c9b3c8d0 |
954 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
955 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; |
956 | Newz(801, dc, needlen + 1, char); |
957 | } |
958 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
2d8e6c8d |
959 | STRLEN n_a; |
960 | dc = SvPV_force(sv, n_a); |
ff68c719 |
961 | if (SvCUR(sv) < len) { |
962 | dc = SvGROW(sv, len + 1); |
963 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
964 | } |
c9b3c8d0 |
965 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
966 | dc = SvGROW(sv, leftlen + rightlen + 1); |
ff68c719 |
967 | } |
968 | else { |
c9b3c8d0 |
969 | needlen = ((optype == OP_BIT_AND) |
970 | ? len : (leftlen > rightlen ? leftlen : rightlen)); |
ff68c719 |
971 | Newz(801, dc, needlen + 1, char); |
972 | (void)sv_usepvn(sv, dc, needlen); |
973 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 |
974 | } |
a0d0e21e |
975 | SvCUR_set(sv, len); |
976 | (void)SvPOK_only(sv); |
0c57e439 |
977 | if (left_utf || right_utf) { |
978 | UV duc, luc, ruc; |
c9b3c8d0 |
979 | char *dcsave = dc; |
0c57e439 |
980 | STRLEN lulen = leftlen; |
981 | STRLEN rulen = rightlen; |
ba210ebe |
982 | STRLEN ulen; |
0c57e439 |
983 | |
984 | switch (optype) { |
985 | case OP_BIT_AND: |
986 | while (lulen && rulen) { |
cc366d4b |
987 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
988 | lc += ulen; |
989 | lulen -= ulen; |
cc366d4b |
990 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
991 | rc += ulen; |
992 | rulen -= ulen; |
993 | duc = luc & ruc; |
994 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
995 | } |
c9b3c8d0 |
996 | if (sv == left || sv == right) |
997 | (void)sv_usepvn(sv, dcsave, needlen); |
998 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
999 | break; |
1000 | case OP_BIT_XOR: |
1001 | while (lulen && rulen) { |
cc366d4b |
1002 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1003 | lc += ulen; |
1004 | lulen -= ulen; |
cc366d4b |
1005 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1006 | rc += ulen; |
1007 | rulen -= ulen; |
1008 | duc = luc ^ ruc; |
1009 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1010 | } |
1011 | goto mop_up_utf; |
1012 | case OP_BIT_OR: |
1013 | while (lulen && rulen) { |
cc366d4b |
1014 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1015 | lc += ulen; |
1016 | lulen -= ulen; |
cc366d4b |
1017 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1018 | rc += ulen; |
1019 | rulen -= ulen; |
1020 | duc = luc | ruc; |
1021 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1022 | } |
1023 | mop_up_utf: |
c9b3c8d0 |
1024 | if (sv == left || sv == right) |
1025 | (void)sv_usepvn(sv, dcsave, needlen); |
1026 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
1027 | if (rulen) |
1028 | sv_catpvn(sv, rc, rulen); |
1029 | else if (lulen) |
1030 | sv_catpvn(sv, lc, lulen); |
1031 | else |
1032 | *SvEND(sv) = '\0'; |
1033 | break; |
1034 | } |
1035 | SvUTF8_on(sv); |
1036 | goto finish; |
1037 | } |
1038 | else |
79072805 |
1039 | #ifdef LIBERAL |
1040 | if (len >= sizeof(long)*4 && |
1041 | !((long)dc % sizeof(long)) && |
1042 | !((long)lc % sizeof(long)) && |
1043 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ |
1044 | { |
1045 | I32 remainder = len % (sizeof(long)*4); |
1046 | len /= (sizeof(long)*4); |
1047 | |
1048 | dl = (long*)dc; |
1049 | ll = (long*)lc; |
1050 | rl = (long*)rc; |
1051 | |
1052 | switch (optype) { |
1053 | case OP_BIT_AND: |
1054 | while (len--) { |
1055 | *dl++ = *ll++ & *rl++; |
1056 | *dl++ = *ll++ & *rl++; |
1057 | *dl++ = *ll++ & *rl++; |
1058 | *dl++ = *ll++ & *rl++; |
1059 | } |
1060 | break; |
a0d0e21e |
1061 | case OP_BIT_XOR: |
79072805 |
1062 | while (len--) { |
1063 | *dl++ = *ll++ ^ *rl++; |
1064 | *dl++ = *ll++ ^ *rl++; |
1065 | *dl++ = *ll++ ^ *rl++; |
1066 | *dl++ = *ll++ ^ *rl++; |
1067 | } |
1068 | break; |
1069 | case OP_BIT_OR: |
1070 | while (len--) { |
1071 | *dl++ = *ll++ | *rl++; |
1072 | *dl++ = *ll++ | *rl++; |
1073 | *dl++ = *ll++ | *rl++; |
1074 | *dl++ = *ll++ | *rl++; |
1075 | } |
1076 | } |
1077 | |
1078 | dc = (char*)dl; |
1079 | lc = (char*)ll; |
1080 | rc = (char*)rl; |
1081 | |
1082 | len = remainder; |
1083 | } |
1084 | #endif |
a0d0e21e |
1085 | { |
a0d0e21e |
1086 | switch (optype) { |
1087 | case OP_BIT_AND: |
1088 | while (len--) |
1089 | *dc++ = *lc++ & *rc++; |
1090 | break; |
1091 | case OP_BIT_XOR: |
1092 | while (len--) |
1093 | *dc++ = *lc++ ^ *rc++; |
1094 | goto mop_up; |
1095 | case OP_BIT_OR: |
1096 | while (len--) |
1097 | *dc++ = *lc++ | *rc++; |
1098 | mop_up: |
1099 | len = lensave; |
1100 | if (rightlen > len) |
1101 | sv_catpvn(sv, rsave + len, rightlen - len); |
1102 | else if (leftlen > len) |
1103 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 |
1104 | else |
1105 | *SvEND(sv) = '\0'; |
a0d0e21e |
1106 | break; |
1107 | } |
79072805 |
1108 | } |
0c57e439 |
1109 | finish: |
fb73857a |
1110 | SvTAINT(sv); |
79072805 |
1111 | } |
463ee0b2 |
1112 | |
1113 | OP * |
cea2e8a9 |
1114 | Perl_do_kv(pTHX) |
463ee0b2 |
1115 | { |
4e35701f |
1116 | djSP; |
463ee0b2 |
1117 | HV *hv = (HV*)POPs; |
800e9ae0 |
1118 | HV *keys; |
463ee0b2 |
1119 | register HE *entry; |
463ee0b2 |
1120 | SV *tmpstr; |
54310121 |
1121 | I32 gimme = GIMME_V; |
533c011a |
1122 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1123 | I32 dovalues = (PL_op->op_type == OP_VALUES); |
c750a3ec |
1124 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
8e84507e |
1125 | |
1126 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e |
1127 | dokeys = dovalues = TRUE; |
463ee0b2 |
1128 | |
85581909 |
1129 | if (!hv) { |
533c011a |
1130 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1131 | dTARGET; /* make sure to clear its target here */ |
1132 | if (SvTYPE(TARG) == SVt_PVLV) |
1133 | LvTARG(TARG) = Nullsv; |
1134 | PUSHs(TARG); |
1135 | } |
463ee0b2 |
1136 | RETURN; |
85581909 |
1137 | } |
748a9306 |
1138 | |
800e9ae0 |
1139 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1140 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 |
1141 | |
54310121 |
1142 | if (gimme == G_VOID) |
aa689395 |
1143 | RETURN; |
1144 | |
54310121 |
1145 | if (gimme == G_SCALAR) { |
6ee623d5 |
1146 | IV i; |
463ee0b2 |
1147 | dTARGET; |
1148 | |
533c011a |
1149 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1150 | if (SvTYPE(TARG) < SVt_PVLV) { |
1151 | sv_upgrade(TARG, SVt_PVLV); |
1152 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); |
1153 | } |
1154 | LvTYPE(TARG) = 'k'; |
800e9ae0 |
1155 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 |
1156 | if (LvTARG(TARG)) |
1157 | SvREFCNT_dec(LvTARG(TARG)); |
800e9ae0 |
1158 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 |
1159 | } |
85581909 |
1160 | PUSHs(TARG); |
1161 | RETURN; |
1162 | } |
1163 | |
33c27489 |
1164 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 |
1165 | i = HvKEYS(keys); |
463ee0b2 |
1166 | else { |
1167 | i = 0; |
463ee0b2 |
1168 | /*SUPPRESS 560*/ |
800e9ae0 |
1169 | while (hv_iternext(keys)) i++; |
463ee0b2 |
1170 | } |
1171 | PUSHi( i ); |
1172 | RETURN; |
1173 | } |
1174 | |
8ed4b672 |
1175 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 |
1176 | |
463ee0b2 |
1177 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 |
1178 | while ((entry = hv_iternext(keys))) { |
463ee0b2 |
1179 | SPAGAIN; |
8c2cee6f |
1180 | if (dokeys) |
1181 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 |
1182 | if (dovalues) { |
463ee0b2 |
1183 | PUTBACK; |
b6429b1b |
1184 | tmpstr = realhv ? |
1185 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); |
cea2e8a9 |
1186 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c |
1187 | (unsigned long)HeHASH(entry), |
800e9ae0 |
1188 | HvMAX(keys)+1, |
1189 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 |
1190 | SPAGAIN; |
46fc3d4c |
1191 | XPUSHs(tmpstr); |
463ee0b2 |
1192 | } |
1193 | PUTBACK; |
1194 | } |
1195 | return NORMAL; |
1196 | } |
4e35701f |
1197 | |