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 | { |
4757a243 |
39 | U8 *s; |
b250498f |
40 | U8 *d; |
4757a243 |
41 | U8 *send; |
b250498f |
42 | U8 *dstart; |
4757a243 |
43 | I32 matches = 0; |
b250498f |
44 | I32 sutf = SvUTF8(sv); |
463ee0b2 |
45 | STRLEN len; |
4757a243 |
46 | short *tbl; |
47 | I32 ch; |
79072805 |
48 | |
4757a243 |
49 | tbl = (short*)cPVOP->op_pv; |
50 | if (!tbl) |
cea2e8a9 |
51 | Perl_croak(aTHX_ "panic: do_trans"); |
a0ed51b3 |
52 | |
4757a243 |
53 | s = (U8*)SvPV(sv, len); |
54 | send = s + len; |
55 | |
b250498f |
56 | /* First, take care of non-UTF8 input strings, because they're easy */ |
57 | if (!sutf) { |
01ec43d0 |
58 | while (s < send) { |
036b4402 |
59 | if ((ch = tbl[*s]) >= 0) { |
01ec43d0 |
60 | matches++; |
61 | *s++ = ch; |
62 | } |
63 | else |
64 | s++; |
65 | } |
66 | SvSETMAGIC(sv); |
b250498f |
67 | return matches; |
68 | } |
4757a243 |
69 | |
b250498f |
70 | /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ |
71 | Newz(0, d, len*2+1, U8); |
72 | dstart = d; |
73 | while (s < send) { |
ba210ebe |
74 | STRLEN ulen; |
b250498f |
75 | short c; |
76 | |
77 | ulen = 1; |
78 | /* Need to check this, otherwise 128..255 won't match */ |
dcad2880 |
79 | c = utf8_to_uv(s, send - s, &ulen, 0); |
b250498f |
80 | if (c < 0x100 && (ch = tbl[(short)c]) >= 0) { |
81 | matches++; |
8e84507e |
82 | if (ch < 0x80) |
b250498f |
83 | *d++ = ch; |
8e84507e |
84 | else |
b250498f |
85 | d = uv_to_utf8(d,ch); |
86 | s += ulen; |
01ec43d0 |
87 | } |
88 | else { /* No match -> copy */ |
b250498f |
89 | while (ulen--) |
90 | *d++ = *s++; |
91 | } |
92 | } |
01ec43d0 |
93 | *d = '\0'; |
be3174d2 |
94 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
fdbb8cbd |
95 | Safefree(dstart); |
b250498f |
96 | SvUTF8_on(sv); |
b250498f |
97 | SvSETMAGIC(sv); |
4757a243 |
98 | return matches; |
99 | } |
100 | |
942e002e |
101 | STATIC I32 |
036b4402 |
102 | S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
103 | { |
4757a243 |
104 | U8 *s; |
105 | U8 *send; |
106 | I32 matches = 0; |
036b4402 |
107 | I32 hasutf = SvUTF8(sv); |
4757a243 |
108 | STRLEN len; |
109 | short *tbl; |
110 | |
111 | tbl = (short*)cPVOP->op_pv; |
112 | if (!tbl) |
cea2e8a9 |
113 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 |
114 | |
115 | s = (U8*)SvPV(sv, len); |
116 | send = s + len; |
117 | |
118 | while (s < send) { |
036b4402 |
119 | if (hasutf && *s & 0x80) |
01ec43d0 |
120 | s += UTF8SKIP(s); |
036b4402 |
121 | else { |
b250498f |
122 | UV c; |
ba210ebe |
123 | STRLEN ulen; |
b250498f |
124 | ulen = 1; |
125 | if (hasutf) |
dcad2880 |
126 | c = utf8_to_uv(s, send - s, &ulen, 0); |
b250498f |
127 | else |
128 | c = *s; |
129 | if (c < 0x100 && tbl[c] >= 0) |
036b4402 |
130 | matches++; |
01ec43d0 |
131 | s += ulen; |
036b4402 |
132 | } |
4757a243 |
133 | } |
134 | |
135 | return matches; |
136 | } |
137 | |
942e002e |
138 | STATIC I32 |
b250498f |
139 | S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */ |
4757a243 |
140 | { |
4757a243 |
141 | U8 *s; |
142 | U8 *send; |
143 | U8 *d; |
5e44153e |
144 | U8 *dstart; |
036b4402 |
145 | I32 hasutf = SvUTF8(sv); |
4757a243 |
146 | I32 matches = 0; |
147 | STRLEN len; |
148 | short *tbl; |
149 | I32 ch; |
150 | |
151 | tbl = (short*)cPVOP->op_pv; |
152 | if (!tbl) |
cea2e8a9 |
153 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 |
154 | |
155 | s = (U8*)SvPV(sv, len); |
156 | send = s + len; |
157 | |
5e44153e |
158 | Newz(0, d, len*2+1, U8); |
159 | dstart = d; |
160 | |
4757a243 |
161 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
162 | U8* p = send; |
163 | |
164 | while (s < send) { |
036b4402 |
165 | if (hasutf && *s & 0x80) |
01ec43d0 |
166 | s += UTF8SKIP(s); |
036b4402 |
167 | else { |
168 | if ((ch = tbl[*s]) >= 0) { |
169 | *d = ch; |
170 | matches++; |
5e44153e |
171 | if (p != d - 1 || *p != *d) |
036b4402 |
172 | p = d++; |
173 | } |
01ec43d0 |
174 | else if (ch == -1) /* -1 is unmapped character */ |
036b4402 |
175 | *d++ = *s; /* -2 is delete character */ |
176 | s++; |
177 | } |
a0ed51b3 |
178 | } |
4757a243 |
179 | } |
180 | else { |
181 | while (s < send) { |
5e44153e |
182 | UV comp; |
036b4402 |
183 | if (hasutf && *s & 0x80) |
5e44153e |
184 | comp = utf8_to_uv_simple(s, NULL); |
185 | else |
186 | comp = *s; |
187 | |
188 | ch = tbl[comp]; |
189 | |
190 | if (ch == -1) { /* -1 is unmapped character */ |
191 | ch = comp; |
192 | matches--; |
193 | } |
194 | |
195 | if (ch >= 0) { |
196 | if (hasutf) |
197 | d = uv_to_utf8(d, ch); |
198 | else |
199 | *d++ = ch; |
200 | } |
201 | matches++; |
202 | |
203 | s += hasutf && *s & 0x80 ? UNISKIP(*s) : 1; |
204 | |
5d06d08e |
205 | } |
4757a243 |
206 | } |
5e44153e |
207 | |
4757a243 |
208 | *d = '\0'; |
4757a243 |
209 | |
5e44153e |
210 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
211 | Safefree(dstart); |
212 | if (hasutf) |
213 | SvUTF8_on(sv); |
214 | SvSETMAGIC(sv); |
4757a243 |
215 | return matches; |
5e44153e |
216 | |
4757a243 |
217 | } |
218 | |
942e002e |
219 | STATIC I32 |
036b4402 |
220 | S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
221 | { |
4757a243 |
222 | U8 *s; |
223 | U8 *send; |
224 | U8 *d; |
036b4402 |
225 | U8 *start; |
226 | U8 *dstart; |
4757a243 |
227 | I32 matches = 0; |
228 | STRLEN len; |
229 | |
230 | SV* rv = (SV*)cSVOP->op_sv; |
231 | HV* hv = (HV*)SvRV(rv); |
232 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
233 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
234 | UV extra = none + 1; |
235 | UV final; |
236 | UV uv; |
8e84507e |
237 | I32 isutf; |
036b4402 |
238 | I32 howmany; |
4757a243 |
239 | |
036b4402 |
240 | isutf = SvUTF8(sv); |
4757a243 |
241 | s = (U8*)SvPV(sv, len); |
242 | send = s + len; |
036b4402 |
243 | start = s; |
4757a243 |
244 | |
245 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
246 | if (svp) |
247 | final = SvUV(*svp); |
248 | |
036b4402 |
249 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
250 | Newz(0, d, len*2+1, U8); |
251 | dstart = d; |
4757a243 |
252 | while (s < send) { |
253 | if ((uv = swash_fetch(rv, s)) < none) { |
254 | s += UTF8SKIP(s); |
255 | matches++; |
01ec43d0 |
256 | if ((uv & 0x80) && !isutf++) |
075321c3 |
257 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 |
258 | d = uv_to_utf8(d, uv); |
259 | } |
260 | else if (uv == none) { |
261 | int i; |
01ec43d0 |
262 | i = UTF8SKIP(s); |
b250498f |
263 | if (i > 1 && !isutf++) |
075321c3 |
264 | HALF_UTF8_UPGRADE(dstart,d); |
036b4402 |
265 | while(i--) |
075321c3 |
266 | *d++ = *s++; |
4757a243 |
267 | } |
268 | else if (uv == extra) { |
036b4402 |
269 | int i; |
01ec43d0 |
270 | i = UTF8SKIP(s); |
036b4402 |
271 | s += i; |
4757a243 |
272 | matches++; |
8e84507e |
273 | if (i > 1 && !isutf++) |
075321c3 |
274 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 |
275 | d = uv_to_utf8(d, final); |
276 | } |
277 | else |
278 | s += UTF8SKIP(s); |
279 | } |
280 | *d = '\0'; |
be3174d2 |
281 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
4757a243 |
282 | SvSETMAGIC(sv); |
036b4402 |
283 | if (isutf) |
284 | SvUTF8_on(sv); |
4757a243 |
285 | |
286 | return matches; |
287 | } |
288 | |
942e002e |
289 | STATIC I32 |
036b4402 |
290 | S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 |
291 | { |
4757a243 |
292 | U8 *s; |
293 | U8 *send; |
294 | I32 matches = 0; |
295 | STRLEN len; |
296 | |
297 | SV* rv = (SV*)cSVOP->op_sv; |
298 | HV* hv = (HV*)SvRV(rv); |
299 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
300 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
301 | UV uv; |
302 | |
303 | s = (U8*)SvPV(sv, len); |
036b4402 |
304 | if (!SvUTF8(sv)) |
305 | s = bytes_to_utf8(s, &len); |
4757a243 |
306 | send = s + len; |
307 | |
308 | while (s < send) { |
834a4ddd |
309 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 |
310 | matches++; |
834a4ddd |
311 | s += UTF8SKIP(s); |
4757a243 |
312 | } |
313 | |
314 | return matches; |
315 | } |
316 | |
942e002e |
317 | STATIC I32 |
036b4402 |
318 | S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */ |
4757a243 |
319 | { |
4757a243 |
320 | U8 *s; |
321 | U8 *send; |
322 | U8 *d; |
323 | I32 matches = 0; |
324 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
4757a243 |
325 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
326 | SV* rv = (SV*)cSVOP->op_sv; |
327 | HV* hv = (HV*)SvRV(rv); |
328 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
329 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
330 | UV extra = none + 1; |
331 | UV final; |
332 | UV uv; |
333 | STRLEN len; |
334 | U8 *dst; |
b250498f |
335 | I32 isutf = SvUTF8(sv); |
4757a243 |
336 | |
337 | s = (U8*)SvPV(sv, len); |
338 | send = s + len; |
339 | |
340 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
341 | if (svp) |
342 | final = SvUV(*svp); |
343 | |
b250498f |
344 | Newz(0, d, len*2+1, U8); |
4757a243 |
345 | dst = d; |
4757a243 |
346 | |
347 | if (squash) { |
348 | UV puv = 0xfeedface; |
349 | while (s < send) { |
8e84507e |
350 | if (SvUTF8(sv)) |
4757a243 |
351 | uv = swash_fetch(rv, s); |
a0ed51b3 |
352 | else { |
4757a243 |
353 | U8 tmpbuf[2]; |
354 | uv = *s++; |
355 | if (uv < 0x80) |
356 | tmpbuf[0] = uv; |
357 | else { |
358 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
359 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
360 | } |
361 | uv = swash_fetch(rv, tmpbuf); |
362 | } |
b250498f |
363 | |
4757a243 |
364 | if (uv < none) { |
365 | matches++; |
366 | if (uv != puv) { |
8e84507e |
367 | if ((uv & 0x80) && !isutf++) |
075321c3 |
368 | HALF_UTF8_UPGRADE(dst,d); |
01ec43d0 |
369 | d = uv_to_utf8(d, uv); |
4757a243 |
370 | puv = uv; |
371 | } |
075321c3 |
372 | s += UTF8SKIP(s); |
4757a243 |
373 | continue; |
374 | } |
375 | else if (uv == none) { /* "none" is unmapped character */ |
ba210ebe |
376 | STRLEN ulen; |
dcad2880 |
377 | *d++ = (U8)utf8_to_uv(s, send - s, &ulen, 0); |
01ec43d0 |
378 | s += ulen; |
4757a243 |
379 | puv = 0xfeedface; |
380 | continue; |
a0ed51b3 |
381 | } |
4757a243 |
382 | else if (uv == extra && !del) { |
383 | matches++; |
384 | if (uv != puv) { |
01ec43d0 |
385 | d = uv_to_utf8(d, final); |
4757a243 |
386 | puv = final; |
387 | } |
01ec43d0 |
388 | s += UTF8SKIP(s); |
4757a243 |
389 | continue; |
390 | } |
01ec43d0 |
391 | matches++; /* "none+1" is delete character */ |
392 | s += UTF8SKIP(s); |
a0ed51b3 |
393 | } |
79072805 |
394 | } |
395 | else { |
4757a243 |
396 | while (s < send) { |
8e84507e |
397 | if (SvUTF8(sv)) |
4757a243 |
398 | uv = swash_fetch(rv, s); |
4757a243 |
399 | else { |
400 | U8 tmpbuf[2]; |
401 | uv = *s++; |
402 | if (uv < 0x80) |
403 | tmpbuf[0] = uv; |
404 | else { |
405 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
406 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
a0ed51b3 |
407 | } |
4757a243 |
408 | uv = swash_fetch(rv, tmpbuf); |
a0ed51b3 |
409 | } |
4757a243 |
410 | if (uv < none) { |
411 | matches++; |
01ec43d0 |
412 | d = uv_to_utf8(d, uv); |
413 | s += UTF8SKIP(s); |
4757a243 |
414 | continue; |
a0ed51b3 |
415 | } |
4757a243 |
416 | else if (uv == none) { /* "none" is unmapped character */ |
ba210ebe |
417 | STRLEN ulen; |
dcad2880 |
418 | *d++ = (U8)utf8_to_uv(s, send - s, &ulen, 0); |
01ec43d0 |
419 | s += ulen; |
4757a243 |
420 | continue; |
79072805 |
421 | } |
4757a243 |
422 | else if (uv == extra && !del) { |
423 | matches++; |
01ec43d0 |
424 | d = uv_to_utf8(d, final); |
425 | s += UTF8SKIP(s); |
4757a243 |
426 | continue; |
427 | } |
01ec43d0 |
428 | matches++; /* "none+1" is delete character */ |
429 | s += UTF8SKIP(s); |
79072805 |
430 | } |
4757a243 |
431 | } |
432 | if (dst) |
433 | sv_usepvn(sv, (char*)dst, d - dst); |
434 | else { |
435 | *d = '\0'; |
436 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
437 | } |
438 | SvSETMAGIC(sv); |
439 | |
440 | return matches; |
441 | } |
442 | |
443 | I32 |
864dbfa3 |
444 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 |
445 | { |
446 | STRLEN len; |
8e84507e |
447 | I32 hasutf = (PL_op->op_private & |
036b4402 |
448 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 |
449 | |
450 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
cea2e8a9 |
451 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 |
452 | |
453 | (void)SvPV(sv, len); |
454 | if (!len) |
455 | return 0; |
456 | if (!SvPOKp(sv)) |
457 | (void)SvPV_force(sv, len); |
2de7b02f |
458 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
459 | (void)SvPOK_only_UTF8(sv); |
4757a243 |
460 | |
cea2e8a9 |
461 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 |
462 | |
036b4402 |
463 | switch (PL_op->op_private & ~hasutf & 63) { |
4757a243 |
464 | case 0: |
01ec43d0 |
465 | if (hasutf) |
466 | return do_trans_simple_utf8(sv); |
467 | else |
468 | return do_trans_simple(sv); |
4757a243 |
469 | |
470 | case OPpTRANS_IDENTICAL: |
01ec43d0 |
471 | if (hasutf) |
472 | return do_trans_count_utf8(sv); |
473 | else |
474 | return do_trans_count(sv); |
4757a243 |
475 | |
476 | default: |
01ec43d0 |
477 | if (hasutf) |
036b4402 |
478 | return do_trans_complex_utf8(sv); |
4757a243 |
479 | else |
036b4402 |
480 | return do_trans_complex(sv); |
79072805 |
481 | } |
79072805 |
482 | } |
483 | |
484 | void |
864dbfa3 |
485 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 |
486 | { |
487 | SV **oldmark = mark; |
488 | register I32 items = sp - mark; |
79072805 |
489 | register STRLEN len; |
463ee0b2 |
490 | STRLEN delimlen; |
491 | register char *delim = SvPV(del, delimlen); |
492 | STRLEN tmplen; |
79072805 |
493 | |
494 | mark++; |
495 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); |
07f14f54 |
496 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 |
497 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
498 | while (items-- > 0) { |
1426bbf4 |
499 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
463ee0b2 |
500 | SvPV(*mark, tmplen); |
501 | len += tmplen; |
79072805 |
502 | } |
503 | mark++; |
504 | } |
505 | SvGROW(sv, len + 1); /* so try to pre-extend */ |
506 | |
507 | mark = oldmark; |
db7c17d7 |
508 | items = sp - mark; |
79072805 |
509 | ++mark; |
510 | } |
511 | |
463ee0b2 |
512 | if (items-- > 0) { |
8990e307 |
513 | char *s; |
514 | |
92d29cee |
515 | sv_setpv(sv, ""); |
516 | if (*mark) |
517 | sv_catsv(sv, *mark); |
463ee0b2 |
518 | mark++; |
519 | } |
79072805 |
520 | else |
521 | sv_setpv(sv,""); |
522 | len = delimlen; |
523 | if (len) { |
524 | for (; items > 0; items--,mark++) { |
525 | sv_catpvn(sv,delim,len); |
526 | sv_catsv(sv,*mark); |
527 | } |
528 | } |
529 | else { |
530 | for (; items > 0; items--,mark++) |
531 | sv_catsv(sv,*mark); |
532 | } |
533 | SvSETMAGIC(sv); |
534 | } |
535 | |
536 | void |
864dbfa3 |
537 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 |
538 | { |
46fc3d4c |
539 | STRLEN patlen; |
540 | char *pat = SvPV(*sarg, patlen); |
541 | bool do_taint = FALSE; |
542 | |
543 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
79072805 |
544 | SvSETMAGIC(sv); |
46fc3d4c |
545 | if (do_taint) |
546 | SvTAINTED_on(sv); |
79072805 |
547 | } |
548 | |
33b45480 |
549 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 |
550 | UV |
551 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) |
552 | { |
553 | STRLEN srclen, len; |
554 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); |
555 | UV retnum = 0; |
556 | |
a50d7633 |
557 | if (offset < 0) |
81e118e0 |
558 | return retnum; |
8e84507e |
559 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 |
560 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
246fae53 |
561 | |
dcad2880 |
562 | if (SvUTF8(sv)) |
33b45480 |
563 | (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE); |
246fae53 |
564 | |
81e118e0 |
565 | offset *= size; /* turn into bit offset */ |
566 | len = (offset + size + 7) / 8; /* required number of bytes */ |
567 | if (len > srclen) { |
568 | if (size <= 8) |
569 | retnum = 0; |
570 | else { |
571 | offset >>= 3; /* turn into byte offset */ |
572 | if (size == 16) { |
573 | if (offset >= srclen) |
574 | retnum = 0; |
575 | else |
628e1a40 |
576 | retnum = (UV) s[offset] << 8; |
81e118e0 |
577 | } |
578 | else if (size == 32) { |
579 | if (offset >= srclen) |
580 | retnum = 0; |
581 | else if (offset + 1 >= srclen) |
582 | retnum = |
583 | ((UV) s[offset ] << 24); |
584 | else if (offset + 2 >= srclen) |
585 | retnum = |
586 | ((UV) s[offset ] << 24) + |
587 | ((UV) s[offset + 1] << 16); |
588 | else |
589 | retnum = |
590 | ((UV) s[offset ] << 24) + |
591 | ((UV) s[offset + 1] << 16) + |
592 | ( s[offset + 2] << 8); |
593 | } |
d7d93a81 |
594 | #ifdef UV_IS_QUAD |
c5a0f51a |
595 | else if (size == 64) { |
c5a0f51a |
596 | if (ckWARN(WARN_PORTABLE)) |
597 | Perl_warner(aTHX_ WARN_PORTABLE, |
598 | "Bit vector size > 32 non-portable"); |
599 | if (offset >= srclen) |
600 | retnum = 0; |
601 | else if (offset + 1 >= srclen) |
602 | retnum = |
603 | (UV) s[offset ] << 56; |
604 | else if (offset + 2 >= srclen) |
605 | retnum = |
606 | ((UV) s[offset ] << 56) + |
607 | ((UV) s[offset + 1] << 48); |
608 | else if (offset + 3 >= srclen) |
609 | retnum = |
610 | ((UV) s[offset ] << 56) + |
611 | ((UV) s[offset + 1] << 48) + |
612 | ((UV) s[offset + 2] << 40); |
613 | else if (offset + 4 >= srclen) |
614 | retnum = |
615 | ((UV) s[offset ] << 56) + |
616 | ((UV) s[offset + 1] << 48) + |
617 | ((UV) s[offset + 2] << 40) + |
618 | ((UV) s[offset + 3] << 32); |
619 | else if (offset + 5 >= srclen) |
620 | retnum = |
621 | ((UV) s[offset ] << 56) + |
622 | ((UV) s[offset + 1] << 48) + |
623 | ((UV) s[offset + 2] << 40) + |
624 | ((UV) s[offset + 3] << 32) + |
625 | ( s[offset + 4] << 24); |
626 | else if (offset + 6 >= srclen) |
627 | retnum = |
628 | ((UV) s[offset ] << 56) + |
629 | ((UV) s[offset + 1] << 48) + |
630 | ((UV) s[offset + 2] << 40) + |
631 | ((UV) s[offset + 3] << 32) + |
632 | ((UV) s[offset + 4] << 24) + |
633 | ((UV) s[offset + 5] << 16); |
634 | else |
8e84507e |
635 | retnum = |
c5a0f51a |
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) + |
628e1a40 |
642 | ( s[offset + 6] << 8); |
c5a0f51a |
643 | } |
644 | #endif |
81e118e0 |
645 | } |
646 | } |
647 | else if (size < 8) |
648 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
649 | else { |
650 | offset >>= 3; /* turn into byte offset */ |
651 | if (size == 8) |
652 | retnum = s[offset]; |
653 | else if (size == 16) |
654 | retnum = |
628e1a40 |
655 | ((UV) s[offset] << 8) + |
81e118e0 |
656 | s[offset + 1]; |
657 | else if (size == 32) |
658 | retnum = |
659 | ((UV) s[offset ] << 24) + |
660 | ((UV) s[offset + 1] << 16) + |
661 | ( s[offset + 2] << 8) + |
662 | s[offset + 3]; |
d7d93a81 |
663 | #ifdef UV_IS_QUAD |
c5a0f51a |
664 | else if (size == 64) { |
c5a0f51a |
665 | if (ckWARN(WARN_PORTABLE)) |
666 | Perl_warner(aTHX_ WARN_PORTABLE, |
667 | "Bit vector size > 32 non-portable"); |
668 | retnum = |
669 | ((UV) s[offset ] << 56) + |
670 | ((UV) s[offset + 1] << 48) + |
671 | ((UV) s[offset + 2] << 40) + |
672 | ((UV) s[offset + 3] << 32) + |
673 | ((UV) s[offset + 4] << 24) + |
674 | ((UV) s[offset + 5] << 16) + |
628e1a40 |
675 | ( s[offset + 6] << 8) + |
c5a0f51a |
676 | s[offset + 7]; |
677 | } |
678 | #endif |
81e118e0 |
679 | } |
680 | |
681 | return retnum; |
682 | } |
683 | |
33b45480 |
684 | /* currently converts input to bytes if possible but doesn't sweat failures, |
685 | * although it does ensure that the string it clobbers is not marked as |
686 | * utf8-valid any more |
687 | */ |
79072805 |
688 | void |
864dbfa3 |
689 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 |
690 | { |
691 | SV *targ = LvTARG(sv); |
692 | register I32 offset; |
693 | register I32 size; |
8990e307 |
694 | register unsigned char *s; |
81e118e0 |
695 | register UV lval; |
79072805 |
696 | I32 mask; |
a0d0e21e |
697 | STRLEN targlen; |
698 | STRLEN len; |
79072805 |
699 | |
8990e307 |
700 | if (!targ) |
701 | return; |
a0d0e21e |
702 | s = (unsigned char*)SvPV_force(targ, targlen); |
246fae53 |
703 | if (SvUTF8(targ)) { |
33b45480 |
704 | /* This is handled by the SvPOK_only below... |
705 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) |
706 | SvUTF8_off(targ); |
707 | */ |
708 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); |
246fae53 |
709 | } |
710 | |
4ebbc975 |
711 | (void)SvPOK_only(targ); |
81e118e0 |
712 | lval = SvUV(sv); |
79072805 |
713 | offset = LvTARGOFF(sv); |
fe58ced6 |
714 | if (offset < 0) |
715 | Perl_croak(aTHX_ "Assigning to negative offset in vec"); |
79072805 |
716 | size = LvTARGLEN(sv); |
8e84507e |
717 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 |
718 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
8e84507e |
719 | |
81e118e0 |
720 | offset *= size; /* turn into bit offset */ |
721 | len = (offset + size + 7) / 8; /* required number of bytes */ |
a0d0e21e |
722 | if (len > targlen) { |
723 | s = (unsigned char*)SvGROW(targ, len + 1); |
12ae5dfc |
724 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e |
725 | SvCUR_set(targ, len); |
726 | } |
8e84507e |
727 | |
79072805 |
728 | if (size < 8) { |
729 | mask = (1 << size) - 1; |
730 | size = offset & 7; |
731 | lval &= mask; |
81e118e0 |
732 | offset >>= 3; /* turn into byte offset */ |
79072805 |
733 | s[offset] &= ~(mask << size); |
734 | s[offset] |= lval << size; |
735 | } |
736 | else { |
81e118e0 |
737 | offset >>= 3; /* turn into byte offset */ |
79072805 |
738 | if (size == 8) |
c5a0f51a |
739 | s[offset ] = lval & 0xff; |
79072805 |
740 | else if (size == 16) { |
c5a0f51a |
741 | s[offset ] = (lval >> 8) & 0xff; |
742 | s[offset+1] = lval & 0xff; |
79072805 |
743 | } |
744 | else if (size == 32) { |
c5a0f51a |
745 | s[offset ] = (lval >> 24) & 0xff; |
746 | s[offset+1] = (lval >> 16) & 0xff; |
747 | s[offset+2] = (lval >> 8) & 0xff; |
748 | s[offset+3] = lval & 0xff; |
749 | } |
d7d93a81 |
750 | #ifdef UV_IS_QUAD |
c5a0f51a |
751 | else if (size == 64) { |
c5a0f51a |
752 | if (ckWARN(WARN_PORTABLE)) |
753 | Perl_warner(aTHX_ WARN_PORTABLE, |
754 | "Bit vector size > 32 non-portable"); |
755 | s[offset ] = (lval >> 56) & 0xff; |
756 | s[offset+1] = (lval >> 48) & 0xff; |
757 | s[offset+2] = (lval >> 40) & 0xff; |
758 | s[offset+3] = (lval >> 32) & 0xff; |
759 | s[offset+4] = (lval >> 24) & 0xff; |
760 | s[offset+5] = (lval >> 16) & 0xff; |
761 | s[offset+6] = (lval >> 8) & 0xff; |
762 | s[offset+7] = lval & 0xff; |
79072805 |
763 | } |
dc1e3f56 |
764 | #endif |
79072805 |
765 | } |
7bb043c3 |
766 | SvSETMAGIC(targ); |
79072805 |
767 | } |
768 | |
769 | void |
864dbfa3 |
770 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 |
771 | { |
463ee0b2 |
772 | STRLEN len; |
a0d0e21e |
773 | char *s; |
8e84507e |
774 | |
79072805 |
775 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e |
776 | register I32 i; |
777 | I32 max; |
778 | AV* av = (AV*)sv; |
779 | max = AvFILL(av); |
780 | for (i = 0; i <= max; i++) { |
781 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
782 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
783 | do_chop(astr, sv); |
784 | } |
785 | return; |
79072805 |
786 | } |
aa854799 |
787 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
788 | HV* hv = (HV*)sv; |
789 | HE* entry; |
790 | (void)hv_iterinit(hv); |
791 | /*SUPPRESS 560*/ |
155aba94 |
792 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
793 | do_chop(astr,hv_iterval(hv,entry)); |
794 | return; |
79072805 |
795 | } |
aa854799 |
796 | else if (SvREADONLY(sv)) |
cea2e8a9 |
797 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
798 | s = SvPV(sv, len); |
748a9306 |
799 | if (len && !SvPOK(sv)) |
a0d0e21e |
800 | s = SvPV_force(sv, len); |
7e2040f0 |
801 | if (DO_UTF8(sv)) { |
a0ed51b3 |
802 | if (s && len) { |
803 | char *send = s + len; |
804 | char *start = s; |
805 | s = send - 1; |
806 | while ((*s & 0xc0) == 0x80) |
807 | --s; |
0453d815 |
808 | if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8)) |
809 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); |
a0ed51b3 |
810 | sv_setpvn(astr, s, send - s); |
811 | *s = '\0'; |
812 | SvCUR_set(sv, s - start); |
813 | SvNIOK_off(sv); |
7e2040f0 |
814 | SvUTF8_on(astr); |
a0ed51b3 |
815 | } |
816 | else |
817 | sv_setpvn(astr, "", 0); |
818 | } |
7e2040f0 |
819 | else if (s && len) { |
a0d0e21e |
820 | s += --len; |
821 | sv_setpvn(astr, s, 1); |
822 | *s = '\0'; |
823 | SvCUR_set(sv, len); |
2c19a612 |
824 | SvUTF8_off(sv); |
a0d0e21e |
825 | SvNIOK_off(sv); |
79072805 |
826 | } |
827 | else |
a0d0e21e |
828 | sv_setpvn(astr, "", 0); |
829 | SvSETMAGIC(sv); |
7e2040f0 |
830 | } |
a0d0e21e |
831 | |
832 | I32 |
864dbfa3 |
833 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e |
834 | { |
c07a80fd |
835 | register I32 count; |
a0d0e21e |
836 | STRLEN len; |
837 | char *s; |
c07a80fd |
838 | |
3280af22 |
839 | if (RsSNARF(PL_rs)) |
c07a80fd |
840 | return 0; |
4c5a6083 |
841 | if (RsRECORD(PL_rs)) |
842 | return 0; |
c07a80fd |
843 | count = 0; |
a0d0e21e |
844 | if (SvTYPE(sv) == SVt_PVAV) { |
845 | register I32 i; |
846 | I32 max; |
847 | AV* av = (AV*)sv; |
848 | max = AvFILL(av); |
849 | for (i = 0; i <= max; i++) { |
850 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
851 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
852 | count += do_chomp(sv); |
853 | } |
854 | return count; |
855 | } |
aa854799 |
856 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
857 | HV* hv = (HV*)sv; |
858 | HE* entry; |
859 | (void)hv_iterinit(hv); |
860 | /*SUPPRESS 560*/ |
155aba94 |
861 | while ((entry = hv_iternext(hv))) |
a0d0e21e |
862 | count += do_chomp(hv_iterval(hv,entry)); |
863 | return count; |
864 | } |
aa854799 |
865 | else if (SvREADONLY(sv)) |
cea2e8a9 |
866 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e |
867 | s = SvPV(sv, len); |
868 | if (len && !SvPOKp(sv)) |
869 | s = SvPV_force(sv, len); |
870 | if (s && len) { |
871 | s += --len; |
3280af22 |
872 | if (RsPARA(PL_rs)) { |
a0d0e21e |
873 | if (*s != '\n') |
874 | goto nope; |
875 | ++count; |
876 | while (len && s[-1] == '\n') { |
877 | --len; |
878 | --s; |
879 | ++count; |
880 | } |
881 | } |
a0d0e21e |
882 | else { |
c07a80fd |
883 | STRLEN rslen; |
3280af22 |
884 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd |
885 | if (rslen == 1) { |
886 | if (*s != *rsptr) |
887 | goto nope; |
888 | ++count; |
889 | } |
890 | else { |
8c2cee6f |
891 | if (len < rslen - 1) |
c07a80fd |
892 | goto nope; |
893 | len -= rslen - 1; |
894 | s -= rslen - 1; |
36477c24 |
895 | if (memNE(s, rsptr, rslen)) |
c07a80fd |
896 | goto nope; |
897 | count += rslen; |
898 | } |
a0d0e21e |
899 | } |
a0d0e21e |
900 | *s = '\0'; |
901 | SvCUR_set(sv, len); |
902 | SvNIOK_off(sv); |
903 | } |
904 | nope: |
905 | SvSETMAGIC(sv); |
906 | return count; |
8e84507e |
907 | } |
79072805 |
908 | |
909 | void |
864dbfa3 |
910 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 |
911 | { |
912 | #ifdef LIBERAL |
913 | register long *dl; |
914 | register long *ll; |
915 | register long *rl; |
916 | #endif |
917 | register char *dc; |
463ee0b2 |
918 | STRLEN leftlen; |
919 | STRLEN rightlen; |
7a4c00b4 |
920 | register char *lc; |
921 | register char *rc; |
79072805 |
922 | register I32 len; |
a0d0e21e |
923 | I32 lensave; |
7a4c00b4 |
924 | char *lsave; |
925 | char *rsave; |
0c57e439 |
926 | bool left_utf = DO_UTF8(left); |
927 | bool right_utf = DO_UTF8(right); |
c9b3c8d0 |
928 | I32 needlen; |
0c57e439 |
929 | |
930 | if (left_utf && !right_utf) |
931 | sv_utf8_upgrade(right); |
a1ca4561 |
932 | else if (!left_utf && right_utf) |
0c57e439 |
933 | sv_utf8_upgrade(left); |
79072805 |
934 | |
1fbd88dc |
935 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
936 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ |
7a4c00b4 |
937 | lsave = lc = SvPV(left, leftlen); |
938 | rsave = rc = SvPV(right, rightlen); |
93a17b20 |
939 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e |
940 | lensave = len; |
c9b3c8d0 |
941 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
942 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; |
943 | Newz(801, dc, needlen + 1, char); |
944 | } |
945 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
2d8e6c8d |
946 | STRLEN n_a; |
947 | dc = SvPV_force(sv, n_a); |
ff68c719 |
948 | if (SvCUR(sv) < len) { |
949 | dc = SvGROW(sv, len + 1); |
950 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
951 | } |
c9b3c8d0 |
952 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
953 | dc = SvGROW(sv, leftlen + rightlen + 1); |
ff68c719 |
954 | } |
955 | else { |
c9b3c8d0 |
956 | needlen = ((optype == OP_BIT_AND) |
957 | ? len : (leftlen > rightlen ? leftlen : rightlen)); |
ff68c719 |
958 | Newz(801, dc, needlen + 1, char); |
959 | (void)sv_usepvn(sv, dc, needlen); |
960 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 |
961 | } |
a0d0e21e |
962 | SvCUR_set(sv, len); |
963 | (void)SvPOK_only(sv); |
0c57e439 |
964 | if (left_utf || right_utf) { |
965 | UV duc, luc, ruc; |
c9b3c8d0 |
966 | char *dcsave = dc; |
0c57e439 |
967 | STRLEN lulen = leftlen; |
968 | STRLEN rulen = rightlen; |
ba210ebe |
969 | STRLEN ulen; |
0c57e439 |
970 | |
971 | switch (optype) { |
972 | case OP_BIT_AND: |
973 | while (lulen && rulen) { |
cc366d4b |
974 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
975 | lc += ulen; |
976 | lulen -= ulen; |
cc366d4b |
977 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
978 | rc += ulen; |
979 | rulen -= ulen; |
980 | duc = luc & ruc; |
981 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
982 | } |
c9b3c8d0 |
983 | if (sv == left || sv == right) |
984 | (void)sv_usepvn(sv, dcsave, needlen); |
985 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
986 | break; |
987 | case OP_BIT_XOR: |
988 | while (lulen && rulen) { |
cc366d4b |
989 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
990 | lc += ulen; |
991 | lulen -= ulen; |
cc366d4b |
992 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 |
993 | rc += ulen; |
994 | rulen -= ulen; |
995 | duc = luc ^ ruc; |
996 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
997 | } |
998 | goto mop_up_utf; |
999 | case OP_BIT_OR: |
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 | } |
1010 | mop_up_utf: |
c9b3c8d0 |
1011 | if (sv == left || sv == right) |
1012 | (void)sv_usepvn(sv, dcsave, needlen); |
1013 | SvCUR_set(sv, dc - dcsave); |
0c57e439 |
1014 | if (rulen) |
1015 | sv_catpvn(sv, rc, rulen); |
1016 | else if (lulen) |
1017 | sv_catpvn(sv, lc, lulen); |
1018 | else |
1019 | *SvEND(sv) = '\0'; |
1020 | break; |
1021 | } |
1022 | SvUTF8_on(sv); |
1023 | goto finish; |
1024 | } |
1025 | else |
79072805 |
1026 | #ifdef LIBERAL |
1027 | if (len >= sizeof(long)*4 && |
1028 | !((long)dc % sizeof(long)) && |
1029 | !((long)lc % sizeof(long)) && |
1030 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ |
1031 | { |
1032 | I32 remainder = len % (sizeof(long)*4); |
1033 | len /= (sizeof(long)*4); |
1034 | |
1035 | dl = (long*)dc; |
1036 | ll = (long*)lc; |
1037 | rl = (long*)rc; |
1038 | |
1039 | switch (optype) { |
1040 | case OP_BIT_AND: |
1041 | while (len--) { |
1042 | *dl++ = *ll++ & *rl++; |
1043 | *dl++ = *ll++ & *rl++; |
1044 | *dl++ = *ll++ & *rl++; |
1045 | *dl++ = *ll++ & *rl++; |
1046 | } |
1047 | break; |
a0d0e21e |
1048 | case OP_BIT_XOR: |
79072805 |
1049 | while (len--) { |
1050 | *dl++ = *ll++ ^ *rl++; |
1051 | *dl++ = *ll++ ^ *rl++; |
1052 | *dl++ = *ll++ ^ *rl++; |
1053 | *dl++ = *ll++ ^ *rl++; |
1054 | } |
1055 | break; |
1056 | case OP_BIT_OR: |
1057 | while (len--) { |
1058 | *dl++ = *ll++ | *rl++; |
1059 | *dl++ = *ll++ | *rl++; |
1060 | *dl++ = *ll++ | *rl++; |
1061 | *dl++ = *ll++ | *rl++; |
1062 | } |
1063 | } |
1064 | |
1065 | dc = (char*)dl; |
1066 | lc = (char*)ll; |
1067 | rc = (char*)rl; |
1068 | |
1069 | len = remainder; |
1070 | } |
1071 | #endif |
a0d0e21e |
1072 | { |
a0d0e21e |
1073 | switch (optype) { |
1074 | case OP_BIT_AND: |
1075 | while (len--) |
1076 | *dc++ = *lc++ & *rc++; |
1077 | break; |
1078 | case OP_BIT_XOR: |
1079 | while (len--) |
1080 | *dc++ = *lc++ ^ *rc++; |
1081 | goto mop_up; |
1082 | case OP_BIT_OR: |
1083 | while (len--) |
1084 | *dc++ = *lc++ | *rc++; |
1085 | mop_up: |
1086 | len = lensave; |
1087 | if (rightlen > len) |
1088 | sv_catpvn(sv, rsave + len, rightlen - len); |
1089 | else if (leftlen > len) |
1090 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 |
1091 | else |
1092 | *SvEND(sv) = '\0'; |
a0d0e21e |
1093 | break; |
1094 | } |
79072805 |
1095 | } |
0c57e439 |
1096 | finish: |
fb73857a |
1097 | SvTAINT(sv); |
79072805 |
1098 | } |
463ee0b2 |
1099 | |
1100 | OP * |
cea2e8a9 |
1101 | Perl_do_kv(pTHX) |
463ee0b2 |
1102 | { |
4e35701f |
1103 | djSP; |
463ee0b2 |
1104 | HV *hv = (HV*)POPs; |
800e9ae0 |
1105 | HV *keys; |
463ee0b2 |
1106 | register HE *entry; |
463ee0b2 |
1107 | SV *tmpstr; |
54310121 |
1108 | I32 gimme = GIMME_V; |
533c011a |
1109 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1110 | I32 dovalues = (PL_op->op_type == OP_VALUES); |
c750a3ec |
1111 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
8e84507e |
1112 | |
1113 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e |
1114 | dokeys = dovalues = TRUE; |
463ee0b2 |
1115 | |
85581909 |
1116 | if (!hv) { |
533c011a |
1117 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1118 | dTARGET; /* make sure to clear its target here */ |
1119 | if (SvTYPE(TARG) == SVt_PVLV) |
1120 | LvTARG(TARG) = Nullsv; |
1121 | PUSHs(TARG); |
1122 | } |
463ee0b2 |
1123 | RETURN; |
85581909 |
1124 | } |
748a9306 |
1125 | |
800e9ae0 |
1126 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1127 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 |
1128 | |
54310121 |
1129 | if (gimme == G_VOID) |
aa689395 |
1130 | RETURN; |
1131 | |
54310121 |
1132 | if (gimme == G_SCALAR) { |
6ee623d5 |
1133 | IV i; |
463ee0b2 |
1134 | dTARGET; |
1135 | |
533c011a |
1136 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1137 | if (SvTYPE(TARG) < SVt_PVLV) { |
1138 | sv_upgrade(TARG, SVt_PVLV); |
1139 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); |
1140 | } |
1141 | LvTYPE(TARG) = 'k'; |
800e9ae0 |
1142 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 |
1143 | if (LvTARG(TARG)) |
1144 | SvREFCNT_dec(LvTARG(TARG)); |
800e9ae0 |
1145 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 |
1146 | } |
85581909 |
1147 | PUSHs(TARG); |
1148 | RETURN; |
1149 | } |
1150 | |
33c27489 |
1151 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 |
1152 | i = HvKEYS(keys); |
463ee0b2 |
1153 | else { |
1154 | i = 0; |
463ee0b2 |
1155 | /*SUPPRESS 560*/ |
800e9ae0 |
1156 | while (hv_iternext(keys)) i++; |
463ee0b2 |
1157 | } |
1158 | PUSHi( i ); |
1159 | RETURN; |
1160 | } |
1161 | |
8ed4b672 |
1162 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 |
1163 | |
463ee0b2 |
1164 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 |
1165 | while ((entry = hv_iternext(keys))) { |
463ee0b2 |
1166 | SPAGAIN; |
6bfc225d |
1167 | if (dokeys) |
8c2cee6f |
1168 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 |
1169 | if (dovalues) { |
463ee0b2 |
1170 | PUTBACK; |
b6429b1b |
1171 | tmpstr = realhv ? |
1172 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); |
cea2e8a9 |
1173 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c |
1174 | (unsigned long)HeHASH(entry), |
800e9ae0 |
1175 | HvMAX(keys)+1, |
1176 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 |
1177 | SPAGAIN; |
46fc3d4c |
1178 | XPUSHs(tmpstr); |
463ee0b2 |
1179 | } |
1180 | PUTBACK; |
1181 | } |
1182 | return NORMAL; |
1183 | } |
4e35701f |
1184 | |