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