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; |
463ee0b2 |
32 | STRLEN len; |
4757a243 |
33 | short *tbl; |
34 | I32 ch; |
79072805 |
35 | |
4757a243 |
36 | tbl = (short*)cPVOP->op_pv; |
37 | if (!tbl) |
2269b42e |
38 | Perl_croak(aTHX_ "panic: do_trans_simple"); |
a0ed51b3 |
39 | |
4757a243 |
40 | s = (U8*)SvPV(sv, len); |
41 | send = s + len; |
42 | |
b250498f |
43 | /* First, take care of non-UTF8 input strings, because they're easy */ |
1aa99e6b |
44 | if (!SvUTF8(sv)) { |
01ec43d0 |
45 | while (s < send) { |
036b4402 |
46 | if ((ch = tbl[*s]) >= 0) { |
01ec43d0 |
47 | matches++; |
48 | *s++ = ch; |
49 | } |
50 | else |
51 | s++; |
52 | } |
53 | SvSETMAGIC(sv); |
b250498f |
54 | return matches; |
55 | } |
4757a243 |
56 | |
b250498f |
57 | /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ |
58 | Newz(0, d, len*2+1, U8); |
59 | dstart = d; |
60 | while (s < send) { |
ba210ebe |
61 | STRLEN ulen; |
b250498f |
62 | short c; |
63 | |
64 | ulen = 1; |
65 | /* Need to check this, otherwise 128..255 won't match */ |
dcad2880 |
66 | c = utf8_to_uv(s, send - s, &ulen, 0); |
b250498f |
67 | if (c < 0x100 && (ch = tbl[(short)c]) >= 0) { |
68 | matches++; |
1aa99e6b |
69 | if (ch < 0x80) |
70 | *d++ = ch; |
71 | else |
72 | d = uv_to_utf8(d,ch); |
b250498f |
73 | s += ulen; |
01ec43d0 |
74 | } |
75 | else { /* No match -> copy */ |
b250498f |
76 | while (ulen--) |
77 | *d++ = *s++; |
78 | } |
79 | } |
01ec43d0 |
80 | *d = '\0'; |
1aa99e6b |
81 | sv_setpvn(sv, (char*)dstart, d - dstart); |
b250498f |
82 | SvUTF8_on(sv); |
b250498f |
83 | SvSETMAGIC(sv); |
4757a243 |
84 | return matches; |
85 | } |
86 | |
942e002e |
87 | STATIC I32 |
036b4402 |
88 | S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
89 | { |
4757a243 |
90 | U8 *s; |
91 | U8 *send; |
92 | I32 matches = 0; |
93 | STRLEN len; |
94 | short *tbl; |
95 | |
96 | tbl = (short*)cPVOP->op_pv; |
97 | if (!tbl) |
2269b42e |
98 | Perl_croak(aTHX_ "panic: do_trans_count"); |
4757a243 |
99 | |
100 | s = (U8*)SvPV(sv, len); |
101 | send = s + len; |
102 | |
1aa99e6b |
103 | if (!SvUTF8(sv)) |
104 | while (s < send) { |
105 | if (tbl[*s++] >= 0) |
036b4402 |
106 | matches++; |
1aa99e6b |
107 | } |
108 | else |
109 | while (s < send) { |
110 | UV c; |
111 | STRLEN ulen; |
112 | c = utf8_to_uv(s, send - s, &ulen, 0); |
113 | if (c < 0x100 && tbl[c] >= 0) |
114 | matches++; |
115 | s += ulen; |
116 | } |
4757a243 |
117 | |
118 | return matches; |
119 | } |
120 | |
942e002e |
121 | STATIC I32 |
b250498f |
122 | S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */ |
4757a243 |
123 | { |
4757a243 |
124 | U8 *s; |
125 | U8 *send; |
126 | U8 *d; |
5e44153e |
127 | U8 *dstart; |
1aa99e6b |
128 | I32 isutf8; |
4757a243 |
129 | I32 matches = 0; |
130 | STRLEN len; |
131 | short *tbl; |
132 | I32 ch; |
133 | |
134 | tbl = (short*)cPVOP->op_pv; |
135 | if (!tbl) |
2269b42e |
136 | Perl_croak(aTHX_ "panic: do_trans_complex"); |
4757a243 |
137 | |
138 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
139 | isutf8 = SvUTF8(sv); |
4757a243 |
140 | send = s + len; |
141 | |
1aa99e6b |
142 | if (!isutf8) { |
143 | dstart = d = s; |
144 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
145 | U8* p = send; |
146 | while (s < send) { |
147 | if ((ch = tbl[*s]) >= 0) { |
036b4402 |
148 | *d = ch; |
149 | matches++; |
1aa99e6b |
150 | if (p != d - 1 || *p != *d) |
151 | p = d++; |
152 | } |
153 | else if (ch == -1) /* -1 is unmapped character */ |
154 | *d++ = *s; |
155 | else if (ch == -2) /* -2 is delete character */ |
156 | matches++; |
157 | s++; |
158 | } |
a0ed51b3 |
159 | } |
1aa99e6b |
160 | else { |
161 | while (s < send) { |
162 | if ((ch = tbl[*s]) >= 0) { |
163 | matches++; |
164 | *d++ = ch; |
165 | } |
166 | else if (ch == -1) /* -1 is unmapped character */ |
167 | *d++ = *s; |
168 | else if (ch == -2) /* -2 is delete character */ |
169 | matches++; |
170 | s++; |
171 | } |
172 | } |
173 | SvCUR_set(sv, d - dstart); |
4757a243 |
174 | } |
1aa99e6b |
175 | else { /* isutf8 */ |
176 | Newz(0, d, len*2+1, U8); |
177 | dstart = d; |
178 | |
179 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
180 | U8* p = send; |
181 | UV pch = 0xfeedface; |
182 | while (s < send) { |
183 | STRLEN len; |
184 | UV comp = utf8_to_uv_simple(s, &len); |
185 | |
186 | if (comp > 0xff) |
187 | d = uv_to_utf8(d, comp); /* always unmapped */ |
188 | else if ((ch = tbl[comp]) >= 0) { |
189 | matches++; |
190 | if (ch != pch) { |
191 | d = uv_to_utf8(d, ch); |
192 | pch = ch; |
193 | } |
194 | s += len; |
195 | continue; |
196 | } |
197 | else if (ch == -1) /* -1 is unmapped character */ |
198 | d = uv_to_utf8(d, comp); |
199 | else if (ch == -2) /* -2 is delete character */ |
200 | matches++; |
201 | s += len; |
202 | pch = 0xfeedface; |
203 | } |
5d06d08e |
204 | } |
1aa99e6b |
205 | else { |
206 | while (s < send) { |
207 | STRLEN len; |
208 | UV comp = utf8_to_uv_simple(s, &len); |
209 | if (comp > 0xff) |
210 | d = uv_to_utf8(d, comp); /* always unmapped */ |
211 | else if ((ch = tbl[comp]) >= 0) { |
212 | d = uv_to_utf8(d, ch); |
213 | matches++; |
214 | } |
215 | else if (ch == -1) { /* -1 is unmapped character */ |
216 | d = uv_to_utf8(d, comp); |
217 | } |
218 | else if (ch == -2) /* -2 is delete character */ |
219 | matches++; |
220 | s += len; |
221 | } |
222 | } |
223 | *d = '\0'; |
224 | sv_setpvn(sv, (char*)dstart, d - dstart); |
225 | SvUTF8_on(sv); |
4757a243 |
226 | } |
5e44153e |
227 | SvSETMAGIC(sv); |
4757a243 |
228 | return matches; |
229 | } |
230 | |
942e002e |
231 | STATIC I32 |
036b4402 |
232 | S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
233 | { |
4757a243 |
234 | U8 *s; |
235 | U8 *send; |
236 | U8 *d; |
036b4402 |
237 | U8 *start; |
1aa99e6b |
238 | U8 *dstart, *dend; |
4757a243 |
239 | I32 matches = 0; |
240 | STRLEN len; |
241 | |
242 | SV* rv = (SV*)cSVOP->op_sv; |
243 | HV* hv = (HV*)SvRV(rv); |
244 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
245 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
246 | UV extra = none + 1; |
247 | UV final; |
248 | UV uv; |
1aa99e6b |
249 | I32 isutf8; |
250 | U8 hibit = 0; |
4757a243 |
251 | |
252 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
253 | isutf8 = SvUTF8(sv); |
254 | if (!isutf8) { |
255 | U8 *t = s, *e = s + len; |
256 | while (t < e) |
257 | if ((hibit = *t++ & 0x80)) |
258 | break; |
259 | if (hibit) |
260 | s = bytes_to_utf8(s, &len); |
261 | } |
4757a243 |
262 | send = s + len; |
036b4402 |
263 | start = s; |
4757a243 |
264 | |
265 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
266 | if (svp) |
267 | final = SvUV(*svp); |
268 | |
036b4402 |
269 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
1aa99e6b |
270 | New(0, d, len*3+UTF8_MAXLEN, U8); |
271 | dend = d + len * 3; |
036b4402 |
272 | dstart = d; |
1aa99e6b |
273 | |
4757a243 |
274 | while (s < send) { |
275 | if ((uv = swash_fetch(rv, s)) < none) { |
276 | s += UTF8SKIP(s); |
277 | matches++; |
278 | d = uv_to_utf8(d, uv); |
279 | } |
280 | else if (uv == none) { |
1aa99e6b |
281 | int i = UTF8SKIP(s); |
036b4402 |
282 | while(i--) |
075321c3 |
283 | *d++ = *s++; |
4757a243 |
284 | } |
285 | else if (uv == extra) { |
1aa99e6b |
286 | int i = UTF8SKIP(s); |
036b4402 |
287 | s += i; |
4757a243 |
288 | matches++; |
289 | d = uv_to_utf8(d, final); |
290 | } |
291 | else |
292 | s += UTF8SKIP(s); |
1aa99e6b |
293 | |
294 | if (d >= dend) { |
295 | STRLEN clen = d - dstart; |
296 | STRLEN nlen = dend - dstart + len + UTF8_MAXLEN; |
297 | Renew(dstart, nlen+UTF8_MAXLEN, U8); |
298 | d = dstart + clen; |
299 | dend = dstart + nlen; |
300 | } |
4757a243 |
301 | } |
302 | *d = '\0'; |
1aa99e6b |
303 | sv_setpvn(sv, (char*)dstart, d - dstart); |
4757a243 |
304 | SvSETMAGIC(sv); |
1aa99e6b |
305 | SvUTF8_on(sv); |
306 | if (hibit) |
307 | Safefree(start); |
308 | if (!isutf8 && !(PL_hints & HINT_UTF8)) |
309 | sv_utf8_downgrade(sv, TRUE); |
4757a243 |
310 | |
311 | return matches; |
312 | } |
313 | |
942e002e |
314 | STATIC I32 |
036b4402 |
315 | S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
316 | { |
4757a243 |
317 | U8 *s; |
1aa99e6b |
318 | U8 *start, *send; |
4757a243 |
319 | I32 matches = 0; |
320 | STRLEN len; |
321 | |
322 | SV* rv = (SV*)cSVOP->op_sv; |
323 | HV* hv = (HV*)SvRV(rv); |
324 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
325 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
326 | UV uv; |
1aa99e6b |
327 | U8 hibit = 0; |
4757a243 |
328 | |
329 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
330 | if (!SvUTF8(sv)) { |
331 | U8 *t = s, *e = s + len; |
332 | while (t < e) |
333 | if ((hibit = *t++ & 0x80)) |
334 | break; |
335 | if (hibit) |
336 | start = s = bytes_to_utf8(s, &len); |
337 | } |
4757a243 |
338 | send = s + len; |
339 | |
340 | while (s < send) { |
834a4ddd |
341 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 |
342 | matches++; |
834a4ddd |
343 | s += UTF8SKIP(s); |
4757a243 |
344 | } |
1aa99e6b |
345 | if (hibit) |
346 | Safefree(start); |
4757a243 |
347 | |
348 | return matches; |
349 | } |
350 | |
942e002e |
351 | STATIC I32 |
036b4402 |
352 | S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */ |
4757a243 |
353 | { |
4757a243 |
354 | U8 *s; |
1aa99e6b |
355 | U8 *start, *send; |
4757a243 |
356 | U8 *d; |
357 | I32 matches = 0; |
358 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
4757a243 |
359 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
360 | SV* rv = (SV*)cSVOP->op_sv; |
361 | HV* hv = (HV*)SvRV(rv); |
362 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
363 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
364 | UV extra = none + 1; |
365 | UV final; |
366 | UV uv; |
367 | STRLEN len; |
1aa99e6b |
368 | U8 *dstart, *dend; |
369 | I32 isutf8; |
370 | U8 hibit = 0; |
4757a243 |
371 | |
372 | s = (U8*)SvPV(sv, len); |
1aa99e6b |
373 | isutf8 = SvUTF8(sv); |
374 | if (!isutf8) { |
375 | U8 *t = s, *e = s + len; |
376 | while (t < e) |
377 | if ((hibit = *t++ & 0x80)) |
378 | break; |
379 | if (hibit) |
380 | s = bytes_to_utf8(s, &len); |
381 | } |
4757a243 |
382 | send = s + len; |
1aa99e6b |
383 | start = s; |
4757a243 |
384 | |
385 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
386 | if (svp) |
387 | final = SvUV(*svp); |
388 | |
1aa99e6b |
389 | New(0, d, len*3+UTF8_MAXLEN, U8); |
390 | dend = d + len * 3; |
391 | dstart = d; |
4757a243 |
392 | |
393 | if (squash) { |
394 | UV puv = 0xfeedface; |
395 | while (s < send) { |
1aa99e6b |
396 | uv = swash_fetch(rv, s); |
397 | |
398 | if (d >= dend) { |
399 | STRLEN clen = d - dstart, nlen = dend - dstart + len; |
400 | Renew(dstart, nlen+UTF8_MAXLEN, U8); |
401 | d = dstart + clen; |
402 | dend = dstart + nlen; |
4757a243 |
403 | } |
404 | if (uv < none) { |
405 | matches++; |
406 | if (uv != puv) { |
01ec43d0 |
407 | d = uv_to_utf8(d, uv); |
4757a243 |
408 | puv = uv; |
409 | } |
075321c3 |
410 | s += UTF8SKIP(s); |
4757a243 |
411 | continue; |
412 | } |
413 | else if (uv == none) { /* "none" is unmapped character */ |
1aa99e6b |
414 | int i = UTF8SKIP(s); |
415 | while(i--) |
416 | *d++ = *s++; |
4757a243 |
417 | puv = 0xfeedface; |
418 | continue; |
a0ed51b3 |
419 | } |
4757a243 |
420 | else if (uv == extra && !del) { |
421 | matches++; |
422 | if (uv != puv) { |
01ec43d0 |
423 | d = uv_to_utf8(d, final); |
4757a243 |
424 | puv = final; |
425 | } |
01ec43d0 |
426 | s += UTF8SKIP(s); |
4757a243 |
427 | continue; |
428 | } |
01ec43d0 |
429 | matches++; /* "none+1" is delete character */ |
430 | s += UTF8SKIP(s); |
a0ed51b3 |
431 | } |
79072805 |
432 | } |
433 | else { |
4757a243 |
434 | while (s < send) { |
1aa99e6b |
435 | uv = swash_fetch(rv, s); |
436 | if (d >= dend) { |
437 | STRLEN clen = d - dstart, nlen = dend - dstart + len; |
438 | Renew(dstart, nlen+UTF8_MAXLEN, U8); |
439 | d = dstart + clen; |
440 | dend = dstart + nlen; |
a0ed51b3 |
441 | } |
4757a243 |
442 | if (uv < none) { |
443 | matches++; |
01ec43d0 |
444 | d = uv_to_utf8(d, uv); |
445 | s += UTF8SKIP(s); |
4757a243 |
446 | continue; |
a0ed51b3 |
447 | } |
4757a243 |
448 | else if (uv == none) { /* "none" is unmapped character */ |
1aa99e6b |
449 | int i = UTF8SKIP(s); |
450 | while(i--) |
451 | *d++ = *s++; |
4757a243 |
452 | continue; |
79072805 |
453 | } |
4757a243 |
454 | else if (uv == extra && !del) { |
455 | matches++; |
01ec43d0 |
456 | d = uv_to_utf8(d, final); |
457 | s += UTF8SKIP(s); |
4757a243 |
458 | continue; |
459 | } |
01ec43d0 |
460 | matches++; /* "none+1" is delete character */ |
461 | s += UTF8SKIP(s); |
79072805 |
462 | } |
4757a243 |
463 | } |
1aa99e6b |
464 | *d = '\0'; |
465 | sv_setpvn(sv, (char*)dstart, d - dstart); |
466 | SvUTF8_on(sv); |
467 | if (hibit) |
468 | Safefree(start); |
469 | if (!isutf8 && !(PL_hints & HINT_UTF8)) |
470 | sv_utf8_downgrade(sv, TRUE); |
4757a243 |
471 | SvSETMAGIC(sv); |
472 | |
473 | return matches; |
474 | } |
475 | |
476 | I32 |
864dbfa3 |
477 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 |
478 | { |
479 | STRLEN len; |
8e84507e |
480 | I32 hasutf = (PL_op->op_private & |
036b4402 |
481 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 |
482 | |
483 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
cea2e8a9 |
484 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 |
485 | |
486 | (void)SvPV(sv, len); |
487 | if (!len) |
488 | return 0; |
489 | if (!SvPOKp(sv)) |
490 | (void)SvPV_force(sv, len); |
2de7b02f |
491 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
492 | (void)SvPOK_only_UTF8(sv); |
4757a243 |
493 | |
cea2e8a9 |
494 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 |
495 | |
036b4402 |
496 | switch (PL_op->op_private & ~hasutf & 63) { |
4757a243 |
497 | case 0: |
01ec43d0 |
498 | if (hasutf) |
499 | return do_trans_simple_utf8(sv); |
500 | else |
501 | return do_trans_simple(sv); |
4757a243 |
502 | |
503 | case OPpTRANS_IDENTICAL: |
01ec43d0 |
504 | if (hasutf) |
505 | return do_trans_count_utf8(sv); |
506 | else |
507 | return do_trans_count(sv); |
4757a243 |
508 | |
509 | default: |
01ec43d0 |
510 | if (hasutf) |
036b4402 |
511 | return do_trans_complex_utf8(sv); |
4757a243 |
512 | else |
036b4402 |
513 | return do_trans_complex(sv); |
79072805 |
514 | } |
79072805 |
515 | } |
516 | |
517 | void |
864dbfa3 |
518 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 |
519 | { |
520 | SV **oldmark = mark; |
521 | register I32 items = sp - mark; |
79072805 |
522 | register STRLEN len; |
463ee0b2 |
523 | STRLEN delimlen; |
524 | register char *delim = SvPV(del, delimlen); |
525 | STRLEN tmplen; |
79072805 |
526 | |
527 | mark++; |
528 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); |
07f14f54 |
529 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 |
530 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
531 | while (items-- > 0) { |
1426bbf4 |
532 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
463ee0b2 |
533 | SvPV(*mark, tmplen); |
534 | len += tmplen; |
79072805 |
535 | } |
536 | mark++; |
537 | } |
538 | SvGROW(sv, len + 1); /* so try to pre-extend */ |
539 | |
540 | mark = oldmark; |
db7c17d7 |
541 | items = sp - mark; |
79072805 |
542 | ++mark; |
543 | } |
544 | |
463ee0b2 |
545 | if (items-- > 0) { |
92d29cee |
546 | sv_setpv(sv, ""); |
547 | if (*mark) |
548 | sv_catsv(sv, *mark); |
463ee0b2 |
549 | mark++; |
550 | } |
79072805 |
551 | else |
552 | sv_setpv(sv,""); |
c512ce4f |
553 | if (delimlen) { |
79072805 |
554 | for (; items > 0; items--,mark++) { |
c512ce4f |
555 | sv_catsv(sv,del); |
79072805 |
556 | sv_catsv(sv,*mark); |
557 | } |
558 | } |
559 | else { |
560 | for (; items > 0; items--,mark++) |
561 | sv_catsv(sv,*mark); |
562 | } |
563 | SvSETMAGIC(sv); |
564 | } |
565 | |
566 | void |
864dbfa3 |
567 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 |
568 | { |
46fc3d4c |
569 | STRLEN patlen; |
570 | char *pat = SvPV(*sarg, patlen); |
571 | bool do_taint = FALSE; |
572 | |
573 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
79072805 |
574 | SvSETMAGIC(sv); |
46fc3d4c |
575 | if (do_taint) |
576 | SvTAINTED_on(sv); |
79072805 |
577 | } |
578 | |
33b45480 |
579 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 |
580 | UV |
581 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) |
582 | { |
583 | STRLEN srclen, len; |
584 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); |
585 | UV retnum = 0; |
586 | |
a50d7633 |
587 | if (offset < 0) |
81e118e0 |
588 | return retnum; |
8e84507e |
589 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 |
590 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
246fae53 |
591 | |
dcad2880 |
592 | if (SvUTF8(sv)) |
33b45480 |
593 | (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE); |
246fae53 |
594 | |
81e118e0 |
595 | offset *= size; /* turn into bit offset */ |
596 | len = (offset + size + 7) / 8; /* required number of bytes */ |
597 | if (len > srclen) { |
598 | if (size <= 8) |
599 | retnum = 0; |
600 | else { |
601 | offset >>= 3; /* turn into byte offset */ |
602 | if (size == 16) { |
603 | if (offset >= srclen) |
604 | retnum = 0; |
605 | else |
628e1a40 |
606 | retnum = (UV) s[offset] << 8; |
81e118e0 |
607 | } |
608 | else if (size == 32) { |
609 | if (offset >= srclen) |
610 | retnum = 0; |
611 | else if (offset + 1 >= srclen) |
612 | retnum = |
613 | ((UV) s[offset ] << 24); |
614 | else if (offset + 2 >= srclen) |
615 | retnum = |
616 | ((UV) s[offset ] << 24) + |
617 | ((UV) s[offset + 1] << 16); |
618 | else |
619 | retnum = |
620 | ((UV) s[offset ] << 24) + |
621 | ((UV) s[offset + 1] << 16) + |
622 | ( s[offset + 2] << 8); |
623 | } |
d7d93a81 |
624 | #ifdef UV_IS_QUAD |
c5a0f51a |
625 | else if (size == 64) { |
c5a0f51a |
626 | if (ckWARN(WARN_PORTABLE)) |
627 | Perl_warner(aTHX_ WARN_PORTABLE, |
628 | "Bit vector size > 32 non-portable"); |
629 | if (offset >= srclen) |
630 | retnum = 0; |
631 | else if (offset + 1 >= srclen) |
632 | retnum = |
633 | (UV) s[offset ] << 56; |
634 | else if (offset + 2 >= srclen) |
635 | retnum = |
636 | ((UV) s[offset ] << 56) + |
637 | ((UV) s[offset + 1] << 48); |
638 | else if (offset + 3 >= srclen) |
639 | retnum = |
640 | ((UV) s[offset ] << 56) + |
641 | ((UV) s[offset + 1] << 48) + |
642 | ((UV) s[offset + 2] << 40); |
643 | else if (offset + 4 >= srclen) |
644 | retnum = |
645 | ((UV) s[offset ] << 56) + |
646 | ((UV) s[offset + 1] << 48) + |
647 | ((UV) s[offset + 2] << 40) + |
648 | ((UV) s[offset + 3] << 32); |
649 | else if (offset + 5 >= srclen) |
650 | retnum = |
651 | ((UV) s[offset ] << 56) + |
652 | ((UV) s[offset + 1] << 48) + |
653 | ((UV) s[offset + 2] << 40) + |
654 | ((UV) s[offset + 3] << 32) + |
655 | ( s[offset + 4] << 24); |
656 | else if (offset + 6 >= srclen) |
657 | retnum = |
658 | ((UV) s[offset ] << 56) + |
659 | ((UV) s[offset + 1] << 48) + |
660 | ((UV) s[offset + 2] << 40) + |
661 | ((UV) s[offset + 3] << 32) + |
662 | ((UV) s[offset + 4] << 24) + |
663 | ((UV) s[offset + 5] << 16); |
664 | else |
8e84507e |
665 | retnum = |
c5a0f51a |
666 | ((UV) s[offset ] << 56) + |
667 | ((UV) s[offset + 1] << 48) + |
668 | ((UV) s[offset + 2] << 40) + |
669 | ((UV) s[offset + 3] << 32) + |
670 | ((UV) s[offset + 4] << 24) + |
671 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
672 | ( s[offset + 6] << 8); |
c5a0f51a |
673 | } |
674 | #endif |
81e118e0 |
675 | } |
676 | } |
677 | else if (size < 8) |
678 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
679 | else { |
680 | offset >>= 3; /* turn into byte offset */ |
681 | if (size == 8) |
682 | retnum = s[offset]; |
683 | else if (size == 16) |
684 | retnum = |
628e1a40 |
685 | ((UV) s[offset] << 8) + |
81e118e0 |
686 | s[offset + 1]; |
687 | else if (size == 32) |
688 | retnum = |
689 | ((UV) s[offset ] << 24) + |
690 | ((UV) s[offset + 1] << 16) + |
691 | ( s[offset + 2] << 8) + |
692 | s[offset + 3]; |
d7d93a81 |
693 | #ifdef UV_IS_QUAD |
c5a0f51a |
694 | else if (size == 64) { |
c5a0f51a |
695 | if (ckWARN(WARN_PORTABLE)) |
696 | Perl_warner(aTHX_ WARN_PORTABLE, |
697 | "Bit vector size > 32 non-portable"); |
698 | retnum = |
699 | ((UV) s[offset ] << 56) + |
700 | ((UV) s[offset + 1] << 48) + |
701 | ((UV) s[offset + 2] << 40) + |
702 | ((UV) s[offset + 3] << 32) + |
703 | ((UV) s[offset + 4] << 24) + |
704 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
705 | ( s[offset + 6] << 8) + |
c5a0f51a |
706 | s[offset + 7]; |
707 | } |
708 | #endif |
81e118e0 |
709 | } |
710 | |
711 | return retnum; |
712 | } |
713 | |
33b45480 |
714 | /* currently converts input to bytes if possible but doesn't sweat failures, |
715 | * although it does ensure that the string it clobbers is not marked as |
716 | * utf8-valid any more |
717 | */ |
79072805 |
718 | void |
864dbfa3 |
719 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 |
720 | { |
721 | SV *targ = LvTARG(sv); |
722 | register I32 offset; |
723 | register I32 size; |
8990e307 |
724 | register unsigned char *s; |
81e118e0 |
725 | register UV lval; |
79072805 |
726 | I32 mask; |
a0d0e21e |
727 | STRLEN targlen; |
728 | STRLEN len; |
79072805 |
729 | |
8990e307 |
730 | if (!targ) |
731 | return; |
a0d0e21e |
732 | s = (unsigned char*)SvPV_force(targ, targlen); |
246fae53 |
733 | if (SvUTF8(targ)) { |
33b45480 |
734 | /* This is handled by the SvPOK_only below... |
735 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) |
736 | SvUTF8_off(targ); |
737 | */ |
738 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); |
246fae53 |
739 | } |
740 | |
4ebbc975 |
741 | (void)SvPOK_only(targ); |
81e118e0 |
742 | lval = SvUV(sv); |
79072805 |
743 | offset = LvTARGOFF(sv); |
fe58ced6 |
744 | if (offset < 0) |
745 | Perl_croak(aTHX_ "Assigning to negative offset in vec"); |
79072805 |
746 | size = LvTARGLEN(sv); |
8e84507e |
747 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 |
748 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
8e84507e |
749 | |
81e118e0 |
750 | offset *= size; /* turn into bit offset */ |
751 | len = (offset + size + 7) / 8; /* required number of bytes */ |
a0d0e21e |
752 | if (len > targlen) { |
753 | s = (unsigned char*)SvGROW(targ, len + 1); |
12ae5dfc |
754 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e |
755 | SvCUR_set(targ, len); |
756 | } |
8e84507e |
757 | |
79072805 |
758 | if (size < 8) { |
759 | mask = (1 << size) - 1; |
760 | size = offset & 7; |
761 | lval &= mask; |
81e118e0 |
762 | offset >>= 3; /* turn into byte offset */ |
79072805 |
763 | s[offset] &= ~(mask << size); |
764 | s[offset] |= lval << size; |
765 | } |
766 | else { |
81e118e0 |
767 | offset >>= 3; /* turn into byte offset */ |
79072805 |
768 | if (size == 8) |
c5a0f51a |
769 | s[offset ] = lval & 0xff; |
79072805 |
770 | else if (size == 16) { |
c5a0f51a |
771 | s[offset ] = (lval >> 8) & 0xff; |
772 | s[offset+1] = lval & 0xff; |
79072805 |
773 | } |
774 | else if (size == 32) { |
c5a0f51a |
775 | s[offset ] = (lval >> 24) & 0xff; |
776 | s[offset+1] = (lval >> 16) & 0xff; |
777 | s[offset+2] = (lval >> 8) & 0xff; |
778 | s[offset+3] = lval & 0xff; |
779 | } |
d7d93a81 |
780 | #ifdef UV_IS_QUAD |
c5a0f51a |
781 | else if (size == 64) { |
c5a0f51a |
782 | if (ckWARN(WARN_PORTABLE)) |
783 | Perl_warner(aTHX_ WARN_PORTABLE, |
784 | "Bit vector size > 32 non-portable"); |
785 | s[offset ] = (lval >> 56) & 0xff; |
786 | s[offset+1] = (lval >> 48) & 0xff; |
787 | s[offset+2] = (lval >> 40) & 0xff; |
788 | s[offset+3] = (lval >> 32) & 0xff; |
789 | s[offset+4] = (lval >> 24) & 0xff; |
790 | s[offset+5] = (lval >> 16) & 0xff; |
791 | s[offset+6] = (lval >> 8) & 0xff; |
792 | s[offset+7] = lval & 0xff; |
79072805 |
793 | } |
dc1e3f56 |
794 | #endif |
79072805 |
795 | } |
7bb043c3 |
796 | SvSETMAGIC(targ); |
79072805 |
797 | } |
798 | |
799 | void |
864dbfa3 |
800 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 |
801 | { |
463ee0b2 |
802 | STRLEN len; |
a0d0e21e |
803 | char *s; |
8e84507e |
804 | |
79072805 |
805 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e |
806 | register I32 i; |
807 | I32 max; |
808 | AV* av = (AV*)sv; |
809 | max = AvFILL(av); |
810 | for (i = 0; i <= max; i++) { |
811 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
812 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
813 | do_chop(astr, sv); |
814 | } |
815 | return; |
79072805 |
816 | } |
aa854799 |
817 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
818 | HV* hv = (HV*)sv; |
819 | HE* entry; |
820 | (void)hv_iterinit(hv); |
821 | /*SUPPRESS 560*/ |
155aba94 |
822 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
823 | do_chop(astr,hv_iterval(hv,entry)); |
824 | return; |
79072805 |
825 | } |
aa854799 |
826 | else if (SvREADONLY(sv)) |
cea2e8a9 |
827 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
828 | s = SvPV(sv, len); |
748a9306 |
829 | if (len && !SvPOK(sv)) |
a0d0e21e |
830 | s = SvPV_force(sv, len); |
7e2040f0 |
831 | if (DO_UTF8(sv)) { |
a0ed51b3 |
832 | if (s && len) { |
833 | char *send = s + len; |
834 | char *start = s; |
835 | s = send - 1; |
836 | while ((*s & 0xc0) == 0x80) |
837 | --s; |
0453d815 |
838 | if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8)) |
839 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); |
a0ed51b3 |
840 | sv_setpvn(astr, s, send - s); |
841 | *s = '\0'; |
842 | SvCUR_set(sv, s - start); |
843 | SvNIOK_off(sv); |
7e2040f0 |
844 | SvUTF8_on(astr); |
a0ed51b3 |
845 | } |
846 | else |
847 | sv_setpvn(astr, "", 0); |
848 | } |
7e2040f0 |
849 | else if (s && len) { |
a0d0e21e |
850 | s += --len; |
851 | sv_setpvn(astr, s, 1); |
852 | *s = '\0'; |
853 | SvCUR_set(sv, len); |
2c19a612 |
854 | SvUTF8_off(sv); |
a0d0e21e |
855 | SvNIOK_off(sv); |
79072805 |
856 | } |
857 | else |
a0d0e21e |
858 | sv_setpvn(astr, "", 0); |
859 | SvSETMAGIC(sv); |
7e2040f0 |
860 | } |
a0d0e21e |
861 | |
862 | I32 |
864dbfa3 |
863 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e |
864 | { |
c07a80fd |
865 | register I32 count; |
a0d0e21e |
866 | STRLEN len; |
867 | char *s; |
c07a80fd |
868 | |
3280af22 |
869 | if (RsSNARF(PL_rs)) |
c07a80fd |
870 | return 0; |
4c5a6083 |
871 | if (RsRECORD(PL_rs)) |
872 | return 0; |
c07a80fd |
873 | count = 0; |
a0d0e21e |
874 | if (SvTYPE(sv) == SVt_PVAV) { |
875 | register I32 i; |
876 | I32 max; |
877 | AV* av = (AV*)sv; |
878 | max = AvFILL(av); |
879 | for (i = 0; i <= max; i++) { |
880 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
881 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
882 | count += do_chomp(sv); |
883 | } |
884 | return count; |
885 | } |
aa854799 |
886 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
887 | HV* hv = (HV*)sv; |
888 | HE* entry; |
889 | (void)hv_iterinit(hv); |
890 | /*SUPPRESS 560*/ |
155aba94 |
891 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
892 | count += do_chomp(hv_iterval(hv,entry)); |
893 | return count; |
894 | } |
aa854799 |
895 | else if (SvREADONLY(sv)) |
cea2e8a9 |
896 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
897 | s = SvPV(sv, len); |
898 | if (len && !SvPOKp(sv)) |
899 | s = SvPV_force(sv, len); |
900 | if (s && len) { |
901 | s += --len; |
3280af22 |
902 | if (RsPARA(PL_rs)) { |
a0d0e21e |
903 | if (*s != '\n') |
904 | goto nope; |
905 | ++count; |
906 | while (len && s[-1] == '\n') { |
907 | --len; |
908 | --s; |
909 | ++count; |
910 | } |
911 | } |
a0d0e21e |
912 | else { |
c07a80fd |
913 | STRLEN rslen; |
3280af22 |
914 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd |
915 | if (rslen == 1) { |
916 | if (*s != *rsptr) |
917 | goto nope; |
918 | ++count; |
919 | } |
920 | else { |
8c2cee6f |
921 | if (len < rslen - 1) |
c07a80fd |
922 | goto nope; |
923 | len -= rslen - 1; |
924 | s -= rslen - 1; |
36477c24 |
925 | if (memNE(s, rsptr, rslen)) |
c07a80fd |
926 | goto nope; |
927 | count += rslen; |
928 | } |
a0d0e21e |
929 | } |
a0d0e21e |
930 | *s = '\0'; |
931 | SvCUR_set(sv, len); |
932 | SvNIOK_off(sv); |
933 | } |
934 | nope: |
935 | SvSETMAGIC(sv); |
936 | return count; |
8e84507e |
937 | } |
79072805 |
938 | |
939 | void |
864dbfa3 |
940 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 |
941 | { |
942 | #ifdef LIBERAL |
943 | register long *dl; |
944 | register long *ll; |
945 | register long *rl; |
946 | #endif |
947 | register char *dc; |
463ee0b2 |
948 | STRLEN leftlen; |
949 | STRLEN rightlen; |
7a4c00b4 |
950 | register char *lc; |
951 | register char *rc; |
79072805 |
952 | register I32 len; |
a0d0e21e |
953 | I32 lensave; |
7a4c00b4 |
954 | char *lsave; |
955 | char *rsave; |
0c57e439 |
956 | bool left_utf = DO_UTF8(left); |
957 | bool right_utf = DO_UTF8(right); |
c9b3c8d0 |
958 | I32 needlen; |
0c57e439 |
959 | |
960 | if (left_utf && !right_utf) |
961 | sv_utf8_upgrade(right); |
a1ca4561 |
962 | else if (!left_utf && right_utf) |
0c57e439 |
963 | sv_utf8_upgrade(left); |
79072805 |
964 | |
1fbd88dc |
965 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
966 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ |
7a4c00b4 |
967 | lsave = lc = SvPV(left, leftlen); |
968 | rsave = rc = SvPV(right, rightlen); |
93a17b20 |
969 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e |
970 | lensave = len; |
c9b3c8d0 |
971 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
972 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; |
973 | Newz(801, dc, needlen + 1, char); |
974 | } |
975 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
2d8e6c8d |
976 | STRLEN n_a; |
977 | dc = SvPV_force(sv, n_a); |
ff68c719 |
978 | if (SvCUR(sv) < len) { |
979 | dc = SvGROW(sv, len + 1); |
980 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
981 | } |
c9b3c8d0 |
982 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
983 | dc = SvGROW(sv, leftlen + rightlen + 1); |
ff68c719 |
984 | } |
985 | else { |
c9b3c8d0 |
986 | needlen = ((optype == OP_BIT_AND) |
987 | ? len : (leftlen > rightlen ? leftlen : rightlen)); |
ff68c719 |
988 | Newz(801, dc, needlen + 1, char); |
989 | (void)sv_usepvn(sv, dc, needlen); |
990 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 |
991 | } |
a0d0e21e |
992 | SvCUR_set(sv, len); |
993 | (void)SvPOK_only(sv); |
0c57e439 |
994 | if (left_utf || right_utf) { |
995 | UV duc, luc, ruc; |
c9b3c8d0 |
996 | char *dcsave = dc; |
0c57e439 |
997 | STRLEN lulen = leftlen; |
998 | STRLEN rulen = rightlen; |
ba210ebe |
999 | STRLEN ulen; |
0c57e439 |
1000 | |
1001 | switch (optype) { |
1002 | case OP_BIT_AND: |
1003 | while (lulen && rulen) { |
cc366d4b |
1004 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1005 | lc += ulen; |
1006 | lulen -= ulen; |
cc366d4b |
1007 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1008 | rc += ulen; |
1009 | rulen -= ulen; |
1010 | duc = luc & ruc; |
1011 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1012 | } |
c9b3c8d0 |
1013 | if (sv == left || sv == right) |
1014 | (void)sv_usepvn(sv, dcsave, needlen); |
1015 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
1016 | break; |
1017 | case OP_BIT_XOR: |
1018 | while (lulen && rulen) { |
cc366d4b |
1019 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1020 | lc += ulen; |
1021 | lulen -= ulen; |
cc366d4b |
1022 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1023 | rc += ulen; |
1024 | rulen -= ulen; |
1025 | duc = luc ^ ruc; |
1026 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1027 | } |
1028 | goto mop_up_utf; |
1029 | case OP_BIT_OR: |
1030 | while (lulen && rulen) { |
cc366d4b |
1031 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1032 | lc += ulen; |
1033 | lulen -= ulen; |
cc366d4b |
1034 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
1035 | rc += ulen; |
1036 | rulen -= ulen; |
1037 | duc = luc | ruc; |
1038 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
1039 | } |
1040 | mop_up_utf: |
c9b3c8d0 |
1041 | if (sv == left || sv == right) |
1042 | (void)sv_usepvn(sv, dcsave, needlen); |
1043 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
1044 | if (rulen) |
1045 | sv_catpvn(sv, rc, rulen); |
1046 | else if (lulen) |
1047 | sv_catpvn(sv, lc, lulen); |
1048 | else |
1049 | *SvEND(sv) = '\0'; |
1050 | break; |
1051 | } |
1052 | SvUTF8_on(sv); |
1053 | goto finish; |
1054 | } |
1055 | else |
79072805 |
1056 | #ifdef LIBERAL |
1057 | if (len >= sizeof(long)*4 && |
1058 | !((long)dc % sizeof(long)) && |
1059 | !((long)lc % sizeof(long)) && |
1060 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ |
1061 | { |
1062 | I32 remainder = len % (sizeof(long)*4); |
1063 | len /= (sizeof(long)*4); |
1064 | |
1065 | dl = (long*)dc; |
1066 | ll = (long*)lc; |
1067 | rl = (long*)rc; |
1068 | |
1069 | switch (optype) { |
1070 | case OP_BIT_AND: |
1071 | while (len--) { |
1072 | *dl++ = *ll++ & *rl++; |
1073 | *dl++ = *ll++ & *rl++; |
1074 | *dl++ = *ll++ & *rl++; |
1075 | *dl++ = *ll++ & *rl++; |
1076 | } |
1077 | break; |
a0d0e21e |
1078 | case OP_BIT_XOR: |
79072805 |
1079 | while (len--) { |
1080 | *dl++ = *ll++ ^ *rl++; |
1081 | *dl++ = *ll++ ^ *rl++; |
1082 | *dl++ = *ll++ ^ *rl++; |
1083 | *dl++ = *ll++ ^ *rl++; |
1084 | } |
1085 | break; |
1086 | case OP_BIT_OR: |
1087 | while (len--) { |
1088 | *dl++ = *ll++ | *rl++; |
1089 | *dl++ = *ll++ | *rl++; |
1090 | *dl++ = *ll++ | *rl++; |
1091 | *dl++ = *ll++ | *rl++; |
1092 | } |
1093 | } |
1094 | |
1095 | dc = (char*)dl; |
1096 | lc = (char*)ll; |
1097 | rc = (char*)rl; |
1098 | |
1099 | len = remainder; |
1100 | } |
1101 | #endif |
a0d0e21e |
1102 | { |
a0d0e21e |
1103 | switch (optype) { |
1104 | case OP_BIT_AND: |
1105 | while (len--) |
1106 | *dc++ = *lc++ & *rc++; |
1107 | break; |
1108 | case OP_BIT_XOR: |
1109 | while (len--) |
1110 | *dc++ = *lc++ ^ *rc++; |
1111 | goto mop_up; |
1112 | case OP_BIT_OR: |
1113 | while (len--) |
1114 | *dc++ = *lc++ | *rc++; |
1115 | mop_up: |
1116 | len = lensave; |
1117 | if (rightlen > len) |
1118 | sv_catpvn(sv, rsave + len, rightlen - len); |
1119 | else if (leftlen > len) |
1120 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 |
1121 | else |
1122 | *SvEND(sv) = '\0'; |
a0d0e21e |
1123 | break; |
1124 | } |
79072805 |
1125 | } |
0c57e439 |
1126 | finish: |
fb73857a |
1127 | SvTAINT(sv); |
79072805 |
1128 | } |
463ee0b2 |
1129 | |
1130 | OP * |
cea2e8a9 |
1131 | Perl_do_kv(pTHX) |
463ee0b2 |
1132 | { |
4e35701f |
1133 | djSP; |
463ee0b2 |
1134 | HV *hv = (HV*)POPs; |
800e9ae0 |
1135 | HV *keys; |
463ee0b2 |
1136 | register HE *entry; |
463ee0b2 |
1137 | SV *tmpstr; |
54310121 |
1138 | I32 gimme = GIMME_V; |
533c011a |
1139 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1140 | I32 dovalues = (PL_op->op_type == OP_VALUES); |
c750a3ec |
1141 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
8e84507e |
1142 | |
1143 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e |
1144 | dokeys = dovalues = TRUE; |
463ee0b2 |
1145 | |
85581909 |
1146 | if (!hv) { |
533c011a |
1147 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1148 | dTARGET; /* make sure to clear its target here */ |
1149 | if (SvTYPE(TARG) == SVt_PVLV) |
1150 | LvTARG(TARG) = Nullsv; |
1151 | PUSHs(TARG); |
1152 | } |
463ee0b2 |
1153 | RETURN; |
85581909 |
1154 | } |
748a9306 |
1155 | |
800e9ae0 |
1156 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1157 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 |
1158 | |
54310121 |
1159 | if (gimme == G_VOID) |
aa689395 |
1160 | RETURN; |
1161 | |
54310121 |
1162 | if (gimme == G_SCALAR) { |
6ee623d5 |
1163 | IV i; |
463ee0b2 |
1164 | dTARGET; |
1165 | |
533c011a |
1166 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1167 | if (SvTYPE(TARG) < SVt_PVLV) { |
1168 | sv_upgrade(TARG, SVt_PVLV); |
1169 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); |
1170 | } |
1171 | LvTYPE(TARG) = 'k'; |
800e9ae0 |
1172 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 |
1173 | if (LvTARG(TARG)) |
1174 | SvREFCNT_dec(LvTARG(TARG)); |
800e9ae0 |
1175 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 |
1176 | } |
85581909 |
1177 | PUSHs(TARG); |
1178 | RETURN; |
1179 | } |
1180 | |
33c27489 |
1181 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 |
1182 | i = HvKEYS(keys); |
463ee0b2 |
1183 | else { |
1184 | i = 0; |
463ee0b2 |
1185 | /*SUPPRESS 560*/ |
800e9ae0 |
1186 | while (hv_iternext(keys)) i++; |
463ee0b2 |
1187 | } |
1188 | PUSHi( i ); |
1189 | RETURN; |
1190 | } |
1191 | |
8ed4b672 |
1192 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 |
1193 | |
463ee0b2 |
1194 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 |
1195 | while ((entry = hv_iternext(keys))) { |
463ee0b2 |
1196 | SPAGAIN; |
6bfc225d |
1197 | if (dokeys) |
8c2cee6f |
1198 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 |
1199 | if (dovalues) { |
463ee0b2 |
1200 | PUTBACK; |
b6429b1b |
1201 | tmpstr = realhv ? |
1202 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); |
cea2e8a9 |
1203 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c |
1204 | (unsigned long)HeHASH(entry), |
800e9ae0 |
1205 | HvMAX(keys)+1, |
1206 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 |
1207 | SPAGAIN; |
46fc3d4c |
1208 | XPUSHs(tmpstr); |
463ee0b2 |
1209 | } |
1210 | PUTBACK; |
1211 | } |
1212 | return NORMAL; |
1213 | } |
4e35701f |
1214 | |