Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* doop.c |
79072805 | 2 | * |
3818b22b | 3 | * Copyright (c) 1991-2000, Larry Wall |
79072805 LW |
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 LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "'So that was the job I felt I had to do when I started,' thought Sam." | |
79072805 LW |
12 | */ |
13 | ||
14 | #include "EXTERN.h" | |
864dbfa3 | 15 | #define PERL_IN_DOOP_C |
79072805 LW |
16 | #include "perl.h" |
17 | ||
18 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) | |
19 | #include <signal.h> | |
20 | #endif | |
21 | ||
113d8e19 | 22 | #define HALF_UTF8_UPGRADE(start,end) \ |
67368f91 | 23 | STMT_START { \ |
f87d2592 | 24 | if ((start)<(end)) { \ |
67368f91 HS |
25 | U8* NeWsTr; \ |
26 | STRLEN LeN = (end) - (start); \ | |
27 | NeWsTr = bytes_to_utf8(start, &LeN); \ | |
113d8e19 GS |
28 | Safefree(start); \ |
29 | (start) = NeWsTr; \ | |
30 | (end) = (start) + LeN; \ | |
f87d2592 | 31 | } \ |
67368f91 | 32 | } STMT_END |
4fd1fb52 | 33 | |
942e002e | 34 | STATIC I32 |
4fd1fb52 | 35 | S_do_trans_simple(pTHX_ SV *sv) |
79072805 | 36 | { |
11343788 | 37 | dTHR; |
4757a243 | 38 | U8 *s; |
4fd1fb52 | 39 | U8 *d; |
4757a243 | 40 | U8 *send; |
4fd1fb52 | 41 | U8 *dstart; |
4757a243 | 42 | I32 matches = 0; |
4fd1fb52 | 43 | I32 sutf = SvUTF8(sv); |
463ee0b2 | 44 | STRLEN len; |
4757a243 LW |
45 | short *tbl; |
46 | I32 ch; | |
79072805 | 47 | |
4757a243 LW |
48 | tbl = (short*)cPVOP->op_pv; |
49 | if (!tbl) | |
cea2e8a9 | 50 | Perl_croak(aTHX_ "panic: do_trans"); |
a0ed51b3 | 51 | |
4757a243 LW |
52 | s = (U8*)SvPV(sv, len); |
53 | send = s + len; | |
54 | ||
4fd1fb52 GS |
55 | /* First, take care of non-UTF8 input strings, because they're easy */ |
56 | if (!sutf) { | |
67368f91 | 57 | while (s < send) { |
b1fb3988 | 58 | if ((ch = tbl[*s]) >= 0) { |
67368f91 HS |
59 | matches++; |
60 | *s++ = ch; | |
61 | } | |
62 | else | |
63 | s++; | |
64 | } | |
65 | SvSETMAGIC(sv); | |
4fd1fb52 GS |
66 | return matches; |
67 | } | |
4757a243 | 68 | |
4fd1fb52 GS |
69 | /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ |
70 | Newz(0, d, len*2+1, U8); | |
71 | dstart = d; | |
72 | while (s < send) { | |
73 | I32 ulen; | |
74 | short c; | |
75 | ||
76 | ulen = 1; | |
77 | /* Need to check this, otherwise 128..255 won't match */ | |
72d299db | 78 | c = utf8_to_uv_chk(s, &ulen, 0); |
4fd1fb52 GS |
79 | if (c < 0x100 && (ch = tbl[(short)c]) >= 0) { |
80 | matches++; | |
72d299db | 81 | if (ch < 0x80) |
4fd1fb52 | 82 | *d++ = ch; |
72d299db | 83 | else |
4fd1fb52 GS |
84 | d = uv_to_utf8(d,ch); |
85 | s += ulen; | |
67368f91 HS |
86 | } |
87 | else { /* No match -> copy */ | |
4fd1fb52 GS |
88 | while (ulen--) |
89 | *d++ = *s++; | |
90 | } | |
91 | } | |
67368f91 | 92 | *d = '\0'; |
335b95fc | 93 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
f87d2592 | 94 | Safefree(dstart); |
4fd1fb52 | 95 | SvUTF8_on(sv); |
4fd1fb52 | 96 | SvSETMAGIC(sv); |
4757a243 LW |
97 | return matches; |
98 | } | |
99 | ||
942e002e | 100 | STATIC I32 |
b1fb3988 | 101 | S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 LW |
102 | { |
103 | dTHR; | |
104 | U8 *s; | |
105 | U8 *send; | |
106 | I32 matches = 0; | |
b1fb3988 | 107 | I32 hasutf = SvUTF8(sv); |
4757a243 LW |
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 LW |
114 | |
115 | s = (U8*)SvPV(sv, len); | |
116 | send = s + len; | |
117 | ||
118 | while (s < send) { | |
b1fb3988 | 119 | if (hasutf && *s & 0x80) |
67368f91 | 120 | s += UTF8SKIP(s); |
b1fb3988 | 121 | else { |
4fd1fb52 GS |
122 | UV c; |
123 | I32 ulen; | |
124 | ulen = 1; | |
125 | if (hasutf) | |
72d299db | 126 | c = utf8_to_uv_chk(s,&ulen, 0); |
4fd1fb52 GS |
127 | else |
128 | c = *s; | |
129 | if (c < 0x100 && tbl[c] >= 0) | |
b1fb3988 | 130 | matches++; |
67368f91 | 131 | s += ulen; |
b1fb3988 | 132 | } |
4757a243 LW |
133 | } |
134 | ||
135 | return matches; | |
136 | } | |
137 | ||
942e002e | 138 | STATIC I32 |
4fd1fb52 | 139 | S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */ |
4757a243 LW |
140 | { |
141 | dTHR; | |
142 | U8 *s; | |
143 | U8 *send; | |
144 | U8 *d; | |
b1fb3988 | 145 | I32 hasutf = SvUTF8(sv); |
4757a243 LW |
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 LW |
154 | |
155 | s = (U8*)SvPV(sv, len); | |
156 | send = s + len; | |
157 | ||
158 | d = s; | |
159 | if (PL_op->op_private & OPpTRANS_SQUASH) { | |
160 | U8* p = send; | |
161 | ||
162 | while (s < send) { | |
b1fb3988 | 163 | if (hasutf && *s & 0x80) |
67368f91 | 164 | s += UTF8SKIP(s); |
b1fb3988 GS |
165 | else { |
166 | if ((ch = tbl[*s]) >= 0) { | |
167 | *d = ch; | |
168 | matches++; | |
169 | if (p == d - 1 && *p == *d) | |
170 | matches--; | |
171 | else | |
172 | p = d++; | |
173 | } | |
67368f91 | 174 | else if (ch == -1) /* -1 is unmapped character */ |
b1fb3988 GS |
175 | *d++ = *s; /* -2 is delete character */ |
176 | s++; | |
177 | } | |
a0ed51b3 | 178 | } |
4757a243 LW |
179 | } |
180 | else { | |
181 | while (s < send) { | |
b1fb3988 | 182 | if (hasutf && *s & 0x80) |
67368f91 | 183 | s += UTF8SKIP(s); |
b1fb3988 GS |
184 | else { |
185 | if ((ch = tbl[*s]) >= 0) { | |
186 | *d = ch; | |
187 | matches++; | |
188 | d++; | |
189 | } | |
67368f91 | 190 | else if (ch == -1) /* -1 is unmapped character */ |
b1fb3988 GS |
191 | *d++ = *s; /* -2 is delete character */ |
192 | s++; | |
193 | } | |
5d06d08e | 194 | } |
4757a243 | 195 | } |
67368f91 | 196 | matches += send - d; /* account for disappeared chars */ |
4757a243 LW |
197 | *d = '\0'; |
198 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); | |
199 | SvSETMAGIC(sv); | |
200 | ||
201 | return matches; | |
202 | } | |
203 | ||
942e002e | 204 | STATIC I32 |
b1fb3988 | 205 | S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 LW |
206 | { |
207 | dTHR; | |
208 | U8 *s; | |
209 | U8 *send; | |
210 | U8 *d; | |
b1fb3988 GS |
211 | U8 *start; |
212 | U8 *dstart; | |
4757a243 LW |
213 | I32 matches = 0; |
214 | STRLEN len; | |
215 | ||
216 | SV* rv = (SV*)cSVOP->op_sv; | |
217 | HV* hv = (HV*)SvRV(rv); | |
218 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
219 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
220 | UV extra = none + 1; | |
221 | UV final; | |
222 | UV uv; | |
72d299db | 223 | I32 isutf; |
b1fb3988 | 224 | I32 howmany; |
4757a243 | 225 | |
b1fb3988 | 226 | isutf = SvUTF8(sv); |
4757a243 LW |
227 | s = (U8*)SvPV(sv, len); |
228 | send = s + len; | |
b1fb3988 | 229 | start = s; |
4757a243 LW |
230 | |
231 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
232 | if (svp) | |
233 | final = SvUV(*svp); | |
234 | ||
b1fb3988 GS |
235 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
236 | Newz(0, d, len*2+1, U8); | |
237 | dstart = d; | |
4757a243 LW |
238 | while (s < send) { |
239 | if ((uv = swash_fetch(rv, s)) < none) { | |
240 | s += UTF8SKIP(s); | |
241 | matches++; | |
67368f91 | 242 | if ((uv & 0x80) && !isutf++) |
113d8e19 | 243 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 LW |
244 | d = uv_to_utf8(d, uv); |
245 | } | |
246 | else if (uv == none) { | |
247 | int i; | |
67368f91 | 248 | i = UTF8SKIP(s); |
4fd1fb52 | 249 | if (i > 1 && !isutf++) |
113d8e19 | 250 | HALF_UTF8_UPGRADE(dstart,d); |
b1fb3988 | 251 | while(i--) |
113d8e19 | 252 | *d++ = *s++; |
4757a243 LW |
253 | } |
254 | else if (uv == extra) { | |
b1fb3988 | 255 | int i; |
67368f91 | 256 | i = UTF8SKIP(s); |
b1fb3988 | 257 | s += i; |
4757a243 | 258 | matches++; |
72d299db | 259 | if (i > 1 && !isutf++) |
113d8e19 | 260 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 LW |
261 | d = uv_to_utf8(d, final); |
262 | } | |
263 | else | |
264 | s += UTF8SKIP(s); | |
265 | } | |
266 | *d = '\0'; | |
335b95fc | 267 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
4757a243 | 268 | SvSETMAGIC(sv); |
b1fb3988 GS |
269 | if (isutf) |
270 | SvUTF8_on(sv); | |
4757a243 LW |
271 | |
272 | return matches; | |
273 | } | |
274 | ||
942e002e | 275 | STATIC I32 |
b1fb3988 | 276 | S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 LW |
277 | { |
278 | dTHR; | |
279 | U8 *s; | |
280 | U8 *send; | |
281 | I32 matches = 0; | |
282 | STRLEN len; | |
283 | ||
284 | SV* rv = (SV*)cSVOP->op_sv; | |
285 | HV* hv = (HV*)SvRV(rv); | |
286 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
287 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
288 | UV uv; | |
289 | ||
290 | s = (U8*)SvPV(sv, len); | |
b1fb3988 GS |
291 | if (!SvUTF8(sv)) |
292 | s = bytes_to_utf8(s, &len); | |
4757a243 LW |
293 | send = s + len; |
294 | ||
295 | while (s < send) { | |
834a4ddd | 296 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 | 297 | matches++; |
834a4ddd | 298 | s += UTF8SKIP(s); |
4757a243 LW |
299 | } |
300 | ||
301 | return matches; | |
302 | } | |
303 | ||
942e002e | 304 | STATIC I32 |
b1fb3988 | 305 | S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */ |
4757a243 LW |
306 | { |
307 | dTHR; | |
308 | U8 *s; | |
309 | U8 *send; | |
310 | U8 *d; | |
311 | I32 matches = 0; | |
312 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; | |
4757a243 LW |
313 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
314 | SV* rv = (SV*)cSVOP->op_sv; | |
315 | HV* hv = (HV*)SvRV(rv); | |
316 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
317 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
318 | UV extra = none + 1; | |
319 | UV final; | |
320 | UV uv; | |
321 | STRLEN len; | |
322 | U8 *dst; | |
4fd1fb52 | 323 | I32 isutf = SvUTF8(sv); |
4757a243 LW |
324 | |
325 | s = (U8*)SvPV(sv, len); | |
326 | send = s + len; | |
327 | ||
328 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
329 | if (svp) | |
330 | final = SvUV(*svp); | |
331 | ||
4fd1fb52 | 332 | Newz(0, d, len*2+1, U8); |
4757a243 | 333 | dst = d; |
4757a243 LW |
334 | |
335 | if (squash) { | |
336 | UV puv = 0xfeedface; | |
337 | while (s < send) { | |
72d299db | 338 | if (SvUTF8(sv)) |
4757a243 | 339 | uv = swash_fetch(rv, s); |
a0ed51b3 | 340 | else { |
4757a243 LW |
341 | U8 tmpbuf[2]; |
342 | uv = *s++; | |
343 | if (uv < 0x80) | |
344 | tmpbuf[0] = uv; | |
345 | else { | |
346 | tmpbuf[0] = (( uv >> 6) | 0xc0); | |
347 | tmpbuf[1] = (( uv & 0x3f) | 0x80); | |
348 | } | |
349 | uv = swash_fetch(rv, tmpbuf); | |
350 | } | |
4fd1fb52 | 351 | |
4757a243 LW |
352 | if (uv < none) { |
353 | matches++; | |
354 | if (uv != puv) { | |
72d299db | 355 | if ((uv & 0x80) && !isutf++) |
113d8e19 | 356 | HALF_UTF8_UPGRADE(dst,d); |
67368f91 | 357 | d = uv_to_utf8(d, uv); |
4757a243 LW |
358 | puv = uv; |
359 | } | |
113d8e19 | 360 | s += UTF8SKIP(s); |
4757a243 LW |
361 | continue; |
362 | } | |
363 | else if (uv == none) { /* "none" is unmapped character */ | |
67368f91 | 364 | I32 ulen; |
72d299db | 365 | *d++ = (U8)utf8_to_uv_chk(s, &ulen, 0); |
67368f91 | 366 | s += ulen; |
4757a243 LW |
367 | puv = 0xfeedface; |
368 | continue; | |
a0ed51b3 | 369 | } |
4757a243 LW |
370 | else if (uv == extra && !del) { |
371 | matches++; | |
372 | if (uv != puv) { | |
67368f91 | 373 | d = uv_to_utf8(d, final); |
4757a243 LW |
374 | puv = final; |
375 | } | |
67368f91 | 376 | s += UTF8SKIP(s); |
4757a243 LW |
377 | continue; |
378 | } | |
67368f91 HS |
379 | matches++; /* "none+1" is delete character */ |
380 | s += UTF8SKIP(s); | |
a0ed51b3 | 381 | } |
79072805 LW |
382 | } |
383 | else { | |
4757a243 | 384 | while (s < send) { |
72d299db | 385 | if (SvUTF8(sv)) |
4757a243 | 386 | uv = swash_fetch(rv, s); |
4757a243 LW |
387 | else { |
388 | U8 tmpbuf[2]; | |
389 | uv = *s++; | |
390 | if (uv < 0x80) | |
391 | tmpbuf[0] = uv; | |
392 | else { | |
393 | tmpbuf[0] = (( uv >> 6) | 0xc0); | |
394 | tmpbuf[1] = (( uv & 0x3f) | 0x80); | |
a0ed51b3 | 395 | } |
4757a243 | 396 | uv = swash_fetch(rv, tmpbuf); |
a0ed51b3 | 397 | } |
4757a243 LW |
398 | if (uv < none) { |
399 | matches++; | |
67368f91 HS |
400 | d = uv_to_utf8(d, uv); |
401 | s += UTF8SKIP(s); | |
4757a243 | 402 | continue; |
a0ed51b3 | 403 | } |
4757a243 | 404 | else if (uv == none) { /* "none" is unmapped character */ |
67368f91 | 405 | I32 ulen; |
72d299db | 406 | *d++ = (U8)utf8_to_uv_chk(s, &ulen, 0); |
67368f91 | 407 | s += ulen; |
4757a243 | 408 | continue; |
79072805 | 409 | } |
4757a243 LW |
410 | else if (uv == extra && !del) { |
411 | matches++; | |
67368f91 HS |
412 | d = uv_to_utf8(d, final); |
413 | s += UTF8SKIP(s); | |
4757a243 LW |
414 | continue; |
415 | } | |
67368f91 HS |
416 | matches++; /* "none+1" is delete character */ |
417 | s += UTF8SKIP(s); | |
79072805 | 418 | } |
4757a243 LW |
419 | } |
420 | if (dst) | |
421 | sv_usepvn(sv, (char*)dst, d - dst); | |
422 | else { | |
423 | *d = '\0'; | |
424 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); | |
425 | } | |
426 | SvSETMAGIC(sv); | |
427 | ||
428 | return matches; | |
429 | } | |
430 | ||
431 | I32 | |
864dbfa3 | 432 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 | 433 | { |
46124e9e | 434 | dTHR; |
4757a243 | 435 | STRLEN len; |
72d299db | 436 | I32 hasutf = (PL_op->op_private & |
b1fb3988 | 437 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 LW |
438 | |
439 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) | |
cea2e8a9 | 440 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 LW |
441 | |
442 | (void)SvPV(sv, len); | |
443 | if (!len) | |
444 | return 0; | |
445 | if (!SvPOKp(sv)) | |
446 | (void)SvPV_force(sv, len); | |
2de7b02f GS |
447 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
448 | (void)SvPOK_only_UTF8(sv); | |
4757a243 | 449 | |
cea2e8a9 | 450 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 | 451 | |
b1fb3988 | 452 | switch (PL_op->op_private & ~hasutf & 63) { |
4757a243 | 453 | case 0: |
67368f91 HS |
454 | if (hasutf) |
455 | return do_trans_simple_utf8(sv); | |
456 | else | |
457 | return do_trans_simple(sv); | |
4757a243 LW |
458 | |
459 | case OPpTRANS_IDENTICAL: | |
67368f91 HS |
460 | if (hasutf) |
461 | return do_trans_count_utf8(sv); | |
462 | else | |
463 | return do_trans_count(sv); | |
4757a243 LW |
464 | |
465 | default: | |
67368f91 | 466 | if (hasutf) |
b1fb3988 | 467 | return do_trans_complex_utf8(sv); |
4757a243 | 468 | else |
b1fb3988 | 469 | return do_trans_complex(sv); |
79072805 | 470 | } |
79072805 LW |
471 | } |
472 | ||
473 | void | |
864dbfa3 | 474 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 LW |
475 | { |
476 | SV **oldmark = mark; | |
477 | register I32 items = sp - mark; | |
79072805 | 478 | register STRLEN len; |
463ee0b2 LW |
479 | STRLEN delimlen; |
480 | register char *delim = SvPV(del, delimlen); | |
481 | STRLEN tmplen; | |
79072805 LW |
482 | |
483 | mark++; | |
484 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); | |
07f14f54 | 485 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 LW |
486 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
487 | while (items-- > 0) { | |
0139fc7d | 488 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
463ee0b2 LW |
489 | SvPV(*mark, tmplen); |
490 | len += tmplen; | |
79072805 LW |
491 | } |
492 | mark++; | |
493 | } | |
494 | SvGROW(sv, len + 1); /* so try to pre-extend */ | |
495 | ||
496 | mark = oldmark; | |
db7c17d7 | 497 | items = sp - mark; |
79072805 LW |
498 | ++mark; |
499 | } | |
500 | ||
463ee0b2 | 501 | if (items-- > 0) { |
8990e307 LW |
502 | char *s; |
503 | ||
8dbfaa5d GS |
504 | sv_setpv(sv, ""); |
505 | if (*mark) | |
506 | sv_catsv(sv, *mark); | |
463ee0b2 LW |
507 | mark++; |
508 | } | |
79072805 LW |
509 | else |
510 | sv_setpv(sv,""); | |
511 | len = delimlen; | |
512 | if (len) { | |
513 | for (; items > 0; items--,mark++) { | |
514 | sv_catpvn(sv,delim,len); | |
515 | sv_catsv(sv,*mark); | |
516 | } | |
517 | } | |
518 | else { | |
519 | for (; items > 0; items--,mark++) | |
520 | sv_catsv(sv,*mark); | |
521 | } | |
522 | SvSETMAGIC(sv); | |
523 | } | |
524 | ||
525 | void | |
864dbfa3 | 526 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 | 527 | { |
46fc3d4c | 528 | STRLEN patlen; |
529 | char *pat = SvPV(*sarg, patlen); | |
530 | bool do_taint = FALSE; | |
531 | ||
532 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); | |
79072805 | 533 | SvSETMAGIC(sv); |
46fc3d4c | 534 | if (do_taint) |
535 | SvTAINTED_on(sv); | |
79072805 LW |
536 | } |
537 | ||
d6f4130b | 538 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 JH |
539 | UV |
540 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) | |
541 | { | |
542 | STRLEN srclen, len; | |
543 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); | |
544 | UV retnum = 0; | |
545 | ||
a50d7633 | 546 | if (offset < 0) |
81e118e0 | 547 | return retnum; |
72d299db | 548 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 549 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
79d2a3c4 GS |
550 | |
551 | if (SvUTF8(sv)) { | |
d6f4130b | 552 | (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE); |
79d2a3c4 GS |
553 | } |
554 | ||
81e118e0 JH |
555 | offset *= size; /* turn into bit offset */ |
556 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
557 | if (len > srclen) { | |
558 | if (size <= 8) | |
559 | retnum = 0; | |
560 | else { | |
561 | offset >>= 3; /* turn into byte offset */ | |
562 | if (size == 16) { | |
563 | if (offset >= srclen) | |
564 | retnum = 0; | |
565 | else | |
628e1a40 | 566 | retnum = (UV) s[offset] << 8; |
81e118e0 JH |
567 | } |
568 | else if (size == 32) { | |
569 | if (offset >= srclen) | |
570 | retnum = 0; | |
571 | else if (offset + 1 >= srclen) | |
572 | retnum = | |
573 | ((UV) s[offset ] << 24); | |
574 | else if (offset + 2 >= srclen) | |
575 | retnum = | |
576 | ((UV) s[offset ] << 24) + | |
577 | ((UV) s[offset + 1] << 16); | |
578 | else | |
579 | retnum = | |
580 | ((UV) s[offset ] << 24) + | |
581 | ((UV) s[offset + 1] << 16) + | |
582 | ( s[offset + 2] << 8); | |
583 | } | |
d7d93a81 | 584 | #ifdef UV_IS_QUAD |
c5a0f51a JH |
585 | else if (size == 64) { |
586 | dTHR; | |
587 | if (ckWARN(WARN_PORTABLE)) | |
588 | Perl_warner(aTHX_ WARN_PORTABLE, | |
589 | "Bit vector size > 32 non-portable"); | |
590 | if (offset >= srclen) | |
591 | retnum = 0; | |
592 | else if (offset + 1 >= srclen) | |
593 | retnum = | |
594 | (UV) s[offset ] << 56; | |
595 | else if (offset + 2 >= srclen) | |
596 | retnum = | |
597 | ((UV) s[offset ] << 56) + | |
598 | ((UV) s[offset + 1] << 48); | |
599 | else if (offset + 3 >= srclen) | |
600 | retnum = | |
601 | ((UV) s[offset ] << 56) + | |
602 | ((UV) s[offset + 1] << 48) + | |
603 | ((UV) s[offset + 2] << 40); | |
604 | else if (offset + 4 >= srclen) | |
605 | retnum = | |
606 | ((UV) s[offset ] << 56) + | |
607 | ((UV) s[offset + 1] << 48) + | |
608 | ((UV) s[offset + 2] << 40) + | |
609 | ((UV) s[offset + 3] << 32); | |
610 | else if (offset + 5 >= srclen) | |
611 | retnum = | |
612 | ((UV) s[offset ] << 56) + | |
613 | ((UV) s[offset + 1] << 48) + | |
614 | ((UV) s[offset + 2] << 40) + | |
615 | ((UV) s[offset + 3] << 32) + | |
616 | ( s[offset + 4] << 24); | |
617 | else if (offset + 6 >= srclen) | |
618 | retnum = | |
619 | ((UV) s[offset ] << 56) + | |
620 | ((UV) s[offset + 1] << 48) + | |
621 | ((UV) s[offset + 2] << 40) + | |
622 | ((UV) s[offset + 3] << 32) + | |
623 | ((UV) s[offset + 4] << 24) + | |
624 | ((UV) s[offset + 5] << 16); | |
625 | else | |
72d299db | 626 | retnum = |
c5a0f51a JH |
627 | ((UV) s[offset ] << 56) + |
628 | ((UV) s[offset + 1] << 48) + | |
629 | ((UV) s[offset + 2] << 40) + | |
630 | ((UV) s[offset + 3] << 32) + | |
631 | ((UV) s[offset + 4] << 24) + | |
632 | ((UV) s[offset + 5] << 16) + | |
628e1a40 | 633 | ( s[offset + 6] << 8); |
c5a0f51a JH |
634 | } |
635 | #endif | |
81e118e0 JH |
636 | } |
637 | } | |
638 | else if (size < 8) | |
639 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); | |
640 | else { | |
641 | offset >>= 3; /* turn into byte offset */ | |
642 | if (size == 8) | |
643 | retnum = s[offset]; | |
644 | else if (size == 16) | |
645 | retnum = | |
628e1a40 | 646 | ((UV) s[offset] << 8) + |
81e118e0 JH |
647 | s[offset + 1]; |
648 | else if (size == 32) | |
649 | retnum = | |
650 | ((UV) s[offset ] << 24) + | |
651 | ((UV) s[offset + 1] << 16) + | |
652 | ( s[offset + 2] << 8) + | |
653 | s[offset + 3]; | |
d7d93a81 | 654 | #ifdef UV_IS_QUAD |
c5a0f51a JH |
655 | else if (size == 64) { |
656 | dTHR; | |
657 | if (ckWARN(WARN_PORTABLE)) | |
658 | Perl_warner(aTHX_ WARN_PORTABLE, | |
659 | "Bit vector size > 32 non-portable"); | |
660 | retnum = | |
661 | ((UV) s[offset ] << 56) + | |
662 | ((UV) s[offset + 1] << 48) + | |
663 | ((UV) s[offset + 2] << 40) + | |
664 | ((UV) s[offset + 3] << 32) + | |
665 | ((UV) s[offset + 4] << 24) + | |
666 | ((UV) s[offset + 5] << 16) + | |
628e1a40 | 667 | ( s[offset + 6] << 8) + |
c5a0f51a JH |
668 | s[offset + 7]; |
669 | } | |
670 | #endif | |
81e118e0 JH |
671 | } |
672 | ||
673 | return retnum; | |
674 | } | |
675 | ||
d6f4130b GS |
676 | /* currently converts input to bytes if possible but doesn't sweat failures, |
677 | * although it does ensure that the string it clobbers is not marked as | |
678 | * utf8-valid any more | |
679 | */ | |
79072805 | 680 | void |
864dbfa3 | 681 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 LW |
682 | { |
683 | SV *targ = LvTARG(sv); | |
684 | register I32 offset; | |
685 | register I32 size; | |
8990e307 | 686 | register unsigned char *s; |
81e118e0 | 687 | register UV lval; |
79072805 | 688 | I32 mask; |
a0d0e21e LW |
689 | STRLEN targlen; |
690 | STRLEN len; | |
79072805 | 691 | |
8990e307 LW |
692 | if (!targ) |
693 | return; | |
a0d0e21e | 694 | s = (unsigned char*)SvPV_force(targ, targlen); |
79d2a3c4 | 695 | if (SvUTF8(targ)) { |
d6f4130b GS |
696 | /* This is handled by the SvPOK_only below... |
697 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) | |
698 | SvUTF8_off(targ); | |
699 | */ | |
700 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); | |
79d2a3c4 GS |
701 | } |
702 | ||
4ebbc975 | 703 | (void)SvPOK_only(targ); |
81e118e0 | 704 | lval = SvUV(sv); |
79072805 | 705 | offset = LvTARGOFF(sv); |
55516df5 GS |
706 | if (offset < 0) |
707 | Perl_croak(aTHX_ "Assigning to negative offset in vec"); | |
79072805 | 708 | size = LvTARGLEN(sv); |
72d299db | 709 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 710 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
72d299db | 711 | |
81e118e0 JH |
712 | offset *= size; /* turn into bit offset */ |
713 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
a0d0e21e LW |
714 | if (len > targlen) { |
715 | s = (unsigned char*)SvGROW(targ, len + 1); | |
716 | (void)memzero(s + targlen, len - targlen + 1); | |
717 | SvCUR_set(targ, len); | |
718 | } | |
72d299db | 719 | |
79072805 LW |
720 | if (size < 8) { |
721 | mask = (1 << size) - 1; | |
722 | size = offset & 7; | |
723 | lval &= mask; | |
81e118e0 | 724 | offset >>= 3; /* turn into byte offset */ |
79072805 LW |
725 | s[offset] &= ~(mask << size); |
726 | s[offset] |= lval << size; | |
727 | } | |
728 | else { | |
81e118e0 | 729 | offset >>= 3; /* turn into byte offset */ |
79072805 | 730 | if (size == 8) |
c5a0f51a | 731 | s[offset ] = lval & 0xff; |
79072805 | 732 | else if (size == 16) { |
c5a0f51a JH |
733 | s[offset ] = (lval >> 8) & 0xff; |
734 | s[offset+1] = lval & 0xff; | |
79072805 LW |
735 | } |
736 | else if (size == 32) { | |
c5a0f51a JH |
737 | s[offset ] = (lval >> 24) & 0xff; |
738 | s[offset+1] = (lval >> 16) & 0xff; | |
739 | s[offset+2] = (lval >> 8) & 0xff; | |
740 | s[offset+3] = lval & 0xff; | |
741 | } | |
d7d93a81 | 742 | #ifdef UV_IS_QUAD |
c5a0f51a JH |
743 | else if (size == 64) { |
744 | dTHR; | |
745 | if (ckWARN(WARN_PORTABLE)) | |
746 | Perl_warner(aTHX_ WARN_PORTABLE, | |
747 | "Bit vector size > 32 non-portable"); | |
748 | s[offset ] = (lval >> 56) & 0xff; | |
749 | s[offset+1] = (lval >> 48) & 0xff; | |
750 | s[offset+2] = (lval >> 40) & 0xff; | |
751 | s[offset+3] = (lval >> 32) & 0xff; | |
752 | s[offset+4] = (lval >> 24) & 0xff; | |
753 | s[offset+5] = (lval >> 16) & 0xff; | |
754 | s[offset+6] = (lval >> 8) & 0xff; | |
755 | s[offset+7] = lval & 0xff; | |
79072805 | 756 | } |
dc1e3f56 | 757 | #endif |
79072805 | 758 | } |
7bb043c3 | 759 | SvSETMAGIC(targ); |
79072805 LW |
760 | } |
761 | ||
762 | void | |
864dbfa3 | 763 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 | 764 | { |
463ee0b2 | 765 | STRLEN len; |
a0d0e21e | 766 | char *s; |
c485e607 | 767 | dTHR; |
72d299db | 768 | |
79072805 | 769 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e LW |
770 | register I32 i; |
771 | I32 max; | |
772 | AV* av = (AV*)sv; | |
773 | max = AvFILL(av); | |
774 | for (i = 0; i <= max; i++) { | |
775 | sv = (SV*)av_fetch(av, i, FALSE); | |
3280af22 | 776 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
777 | do_chop(astr, sv); |
778 | } | |
779 | return; | |
79072805 | 780 | } |
aa854799 | 781 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e LW |
782 | HV* hv = (HV*)sv; |
783 | HE* entry; | |
784 | (void)hv_iterinit(hv); | |
785 | /*SUPPRESS 560*/ | |
155aba94 | 786 | while ((entry = hv_iternext(hv))) |
a0d0e21e LW |
787 | do_chop(astr,hv_iterval(hv,entry)); |
788 | return; | |
79072805 | 789 | } |
aa854799 | 790 | else if (SvREADONLY(sv)) |
cea2e8a9 | 791 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e | 792 | s = SvPV(sv, len); |
748a9306 | 793 | if (len && !SvPOK(sv)) |
a0d0e21e | 794 | s = SvPV_force(sv, len); |
7e2040f0 | 795 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
796 | if (s && len) { |
797 | char *send = s + len; | |
798 | char *start = s; | |
799 | s = send - 1; | |
800 | while ((*s & 0xc0) == 0x80) | |
801 | --s; | |
0453d815 PM |
802 | if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8)) |
803 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); | |
a0ed51b3 LW |
804 | sv_setpvn(astr, s, send - s); |
805 | *s = '\0'; | |
806 | SvCUR_set(sv, s - start); | |
807 | SvNIOK_off(sv); | |
7e2040f0 | 808 | SvUTF8_on(astr); |
a0ed51b3 LW |
809 | } |
810 | else | |
811 | sv_setpvn(astr, "", 0); | |
812 | } | |
7e2040f0 | 813 | else if (s && len) { |
a0d0e21e LW |
814 | s += --len; |
815 | sv_setpvn(astr, s, 1); | |
816 | *s = '\0'; | |
817 | SvCUR_set(sv, len); | |
2c19a612 | 818 | SvUTF8_off(sv); |
a0d0e21e | 819 | SvNIOK_off(sv); |
79072805 LW |
820 | } |
821 | else | |
a0d0e21e LW |
822 | sv_setpvn(astr, "", 0); |
823 | SvSETMAGIC(sv); | |
7e2040f0 | 824 | } |
a0d0e21e LW |
825 | |
826 | I32 | |
864dbfa3 | 827 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e | 828 | { |
aeea060c | 829 | dTHR; |
c07a80fd | 830 | register I32 count; |
a0d0e21e LW |
831 | STRLEN len; |
832 | char *s; | |
c07a80fd | 833 | |
3280af22 | 834 | if (RsSNARF(PL_rs)) |
c07a80fd | 835 | return 0; |
4c5a6083 GS |
836 | if (RsRECORD(PL_rs)) |
837 | return 0; | |
c07a80fd | 838 | count = 0; |
a0d0e21e LW |
839 | if (SvTYPE(sv) == SVt_PVAV) { |
840 | register I32 i; | |
841 | I32 max; | |
842 | AV* av = (AV*)sv; | |
843 | max = AvFILL(av); | |
844 | for (i = 0; i <= max; i++) { | |
845 | sv = (SV*)av_fetch(av, i, FALSE); | |
3280af22 | 846 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
847 | count += do_chomp(sv); |
848 | } | |
849 | return count; | |
850 | } | |
aa854799 | 851 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e LW |
852 | HV* hv = (HV*)sv; |
853 | HE* entry; | |
854 | (void)hv_iterinit(hv); | |
855 | /*SUPPRESS 560*/ | |
155aba94 | 856 | while ((entry = hv_iternext(hv))) |
a0d0e21e LW |
857 | count += do_chomp(hv_iterval(hv,entry)); |
858 | return count; | |
859 | } | |
aa854799 | 860 | else if (SvREADONLY(sv)) |
cea2e8a9 | 861 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e LW |
862 | s = SvPV(sv, len); |
863 | if (len && !SvPOKp(sv)) | |
864 | s = SvPV_force(sv, len); | |
865 | if (s && len) { | |
866 | s += --len; | |
3280af22 | 867 | if (RsPARA(PL_rs)) { |
a0d0e21e LW |
868 | if (*s != '\n') |
869 | goto nope; | |
870 | ++count; | |
871 | while (len && s[-1] == '\n') { | |
872 | --len; | |
873 | --s; | |
874 | ++count; | |
875 | } | |
876 | } | |
a0d0e21e | 877 | else { |
c07a80fd | 878 | STRLEN rslen; |
3280af22 | 879 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd | 880 | if (rslen == 1) { |
881 | if (*s != *rsptr) | |
882 | goto nope; | |
883 | ++count; | |
884 | } | |
885 | else { | |
8c2cee6f | 886 | if (len < rslen - 1) |
c07a80fd | 887 | goto nope; |
888 | len -= rslen - 1; | |
889 | s -= rslen - 1; | |
36477c24 | 890 | if (memNE(s, rsptr, rslen)) |
c07a80fd | 891 | goto nope; |
892 | count += rslen; | |
893 | } | |
a0d0e21e | 894 | } |
a0d0e21e LW |
895 | *s = '\0'; |
896 | SvCUR_set(sv, len); | |
897 | SvNIOK_off(sv); | |
898 | } | |
899 | nope: | |
900 | SvSETMAGIC(sv); | |
901 | return count; | |
72d299db | 902 | } |
79072805 LW |
903 | |
904 | void | |
864dbfa3 | 905 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 | 906 | { |
aeea060c | 907 | dTHR; /* just for taint */ |
79072805 LW |
908 | #ifdef LIBERAL |
909 | register long *dl; | |
910 | register long *ll; | |
911 | register long *rl; | |
912 | #endif | |
913 | register char *dc; | |
463ee0b2 LW |
914 | STRLEN leftlen; |
915 | STRLEN rightlen; | |
7a4c00b4 | 916 | register char *lc; |
917 | register char *rc; | |
79072805 | 918 | register I32 len; |
a0d0e21e | 919 | I32 lensave; |
7a4c00b4 | 920 | char *lsave; |
921 | char *rsave; | |
0c57e439 GS |
922 | bool left_utf = DO_UTF8(left); |
923 | bool right_utf = DO_UTF8(right); | |
c16eb38b | 924 | I32 needlen; |
0c57e439 GS |
925 | |
926 | if (left_utf && !right_utf) | |
927 | sv_utf8_upgrade(right); | |
928 | if (!left_utf && right_utf) | |
929 | sv_utf8_upgrade(left); | |
79072805 | 930 | |
1fbd88dc CS |
931 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
932 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ | |
7a4c00b4 | 933 | lsave = lc = SvPV(left, leftlen); |
934 | rsave = rc = SvPV(right, rightlen); | |
93a17b20 | 935 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e | 936 | lensave = len; |
c16eb38b GS |
937 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
938 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; | |
939 | Newz(801, dc, needlen + 1, char); | |
940 | } | |
941 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { | |
2d8e6c8d GS |
942 | STRLEN n_a; |
943 | dc = SvPV_force(sv, n_a); | |
ff68c719 | 944 | if (SvCUR(sv) < len) { |
945 | dc = SvGROW(sv, len + 1); | |
946 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); | |
947 | } | |
c16eb38b GS |
948 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
949 | dc = SvGROW(sv, leftlen + rightlen + 1); | |
ff68c719 | 950 | } |
951 | else { | |
c16eb38b GS |
952 | needlen = ((optype == OP_BIT_AND) |
953 | ? len : (leftlen > rightlen ? leftlen : rightlen)); | |
ff68c719 | 954 | Newz(801, dc, needlen + 1, char); |
955 | (void)sv_usepvn(sv, dc, needlen); | |
956 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ | |
79072805 | 957 | } |
a0d0e21e LW |
958 | SvCUR_set(sv, len); |
959 | (void)SvPOK_only(sv); | |
0c57e439 GS |
960 | if (left_utf || right_utf) { |
961 | UV duc, luc, ruc; | |
c16eb38b | 962 | char *dcsave = dc; |
0c57e439 GS |
963 | STRLEN lulen = leftlen; |
964 | STRLEN rulen = rightlen; | |
0c57e439 GS |
965 | I32 ulen; |
966 | ||
967 | switch (optype) { | |
968 | case OP_BIT_AND: | |
969 | while (lulen && rulen) { | |
72d299db | 970 | luc = utf8_to_uv_chk((U8*)lc, &ulen, 0); |
0c57e439 GS |
971 | lc += ulen; |
972 | lulen -= ulen; | |
72d299db | 973 | ruc = utf8_to_uv_chk((U8*)rc, &ulen, 0); |
0c57e439 GS |
974 | rc += ulen; |
975 | rulen -= ulen; | |
976 | duc = luc & ruc; | |
977 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
978 | } | |
c16eb38b GS |
979 | if (sv == left || sv == right) |
980 | (void)sv_usepvn(sv, dcsave, needlen); | |
981 | SvCUR_set(sv, dc - dcsave); | |
0c57e439 GS |
982 | break; |
983 | case OP_BIT_XOR: | |
984 | while (lulen && rulen) { | |
72d299db | 985 | luc = utf8_to_uv_chk((U8*)lc, &ulen, 0); |
0c57e439 GS |
986 | lc += ulen; |
987 | lulen -= ulen; | |
72d299db | 988 | ruc = utf8_to_uv_chk((U8*)rc, &ulen, 0); |
0c57e439 GS |
989 | rc += ulen; |
990 | rulen -= ulen; | |
991 | duc = luc ^ ruc; | |
992 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
993 | } | |
994 | goto mop_up_utf; | |
995 | case OP_BIT_OR: | |
996 | while (lulen && rulen) { | |
72d299db | 997 | luc = utf8_to_uv_chk((U8*)lc, &ulen, 0); |
0c57e439 GS |
998 | lc += ulen; |
999 | lulen -= ulen; | |
72d299db | 1000 | ruc = utf8_to_uv_chk((U8*)rc, &ulen, 0); |
0c57e439 GS |
1001 | rc += ulen; |
1002 | rulen -= ulen; | |
1003 | duc = luc | ruc; | |
1004 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
1005 | } | |
1006 | mop_up_utf: | |
c16eb38b GS |
1007 | if (sv == left || sv == right) |
1008 | (void)sv_usepvn(sv, dcsave, needlen); | |
1009 | SvCUR_set(sv, dc - dcsave); | |
0c57e439 GS |
1010 | if (rulen) |
1011 | sv_catpvn(sv, rc, rulen); | |
1012 | else if (lulen) | |
1013 | sv_catpvn(sv, lc, lulen); | |
1014 | else | |
1015 | *SvEND(sv) = '\0'; | |
1016 | break; | |
1017 | } | |
1018 | SvUTF8_on(sv); | |
1019 | goto finish; | |
1020 | } | |
1021 | else | |
79072805 LW |
1022 | #ifdef LIBERAL |
1023 | if (len >= sizeof(long)*4 && | |
1024 | !((long)dc % sizeof(long)) && | |
1025 | !((long)lc % sizeof(long)) && | |
1026 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ | |
1027 | { | |
1028 | I32 remainder = len % (sizeof(long)*4); | |
1029 | len /= (sizeof(long)*4); | |
1030 | ||
1031 | dl = (long*)dc; | |
1032 | ll = (long*)lc; | |
1033 | rl = (long*)rc; | |
1034 | ||
1035 | switch (optype) { | |
1036 | case OP_BIT_AND: | |
1037 | while (len--) { | |
1038 | *dl++ = *ll++ & *rl++; | |
1039 | *dl++ = *ll++ & *rl++; | |
1040 | *dl++ = *ll++ & *rl++; | |
1041 | *dl++ = *ll++ & *rl++; | |
1042 | } | |
1043 | break; | |
a0d0e21e | 1044 | case OP_BIT_XOR: |
79072805 LW |
1045 | while (len--) { |
1046 | *dl++ = *ll++ ^ *rl++; | |
1047 | *dl++ = *ll++ ^ *rl++; | |
1048 | *dl++ = *ll++ ^ *rl++; | |
1049 | *dl++ = *ll++ ^ *rl++; | |
1050 | } | |
1051 | break; | |
1052 | case OP_BIT_OR: | |
1053 | while (len--) { | |
1054 | *dl++ = *ll++ | *rl++; | |
1055 | *dl++ = *ll++ | *rl++; | |
1056 | *dl++ = *ll++ | *rl++; | |
1057 | *dl++ = *ll++ | *rl++; | |
1058 | } | |
1059 | } | |
1060 | ||
1061 | dc = (char*)dl; | |
1062 | lc = (char*)ll; | |
1063 | rc = (char*)rl; | |
1064 | ||
1065 | len = remainder; | |
1066 | } | |
1067 | #endif | |
a0d0e21e | 1068 | { |
a0d0e21e LW |
1069 | switch (optype) { |
1070 | case OP_BIT_AND: | |
1071 | while (len--) | |
1072 | *dc++ = *lc++ & *rc++; | |
1073 | break; | |
1074 | case OP_BIT_XOR: | |
1075 | while (len--) | |
1076 | *dc++ = *lc++ ^ *rc++; | |
1077 | goto mop_up; | |
1078 | case OP_BIT_OR: | |
1079 | while (len--) | |
1080 | *dc++ = *lc++ | *rc++; | |
1081 | mop_up: | |
1082 | len = lensave; | |
1083 | if (rightlen > len) | |
1084 | sv_catpvn(sv, rsave + len, rightlen - len); | |
1085 | else if (leftlen > len) | |
1086 | sv_catpvn(sv, lsave + len, leftlen - len); | |
4633a7c4 LW |
1087 | else |
1088 | *SvEND(sv) = '\0'; | |
a0d0e21e LW |
1089 | break; |
1090 | } | |
79072805 | 1091 | } |
0c57e439 | 1092 | finish: |
fb73857a | 1093 | SvTAINT(sv); |
79072805 | 1094 | } |
463ee0b2 LW |
1095 | |
1096 | OP * | |
cea2e8a9 | 1097 | Perl_do_kv(pTHX) |
463ee0b2 | 1098 | { |
4e35701f | 1099 | djSP; |
463ee0b2 | 1100 | HV *hv = (HV*)POPs; |
800e9ae0 | 1101 | HV *keys; |
463ee0b2 | 1102 | register HE *entry; |
463ee0b2 | 1103 | SV *tmpstr; |
54310121 | 1104 | I32 gimme = GIMME_V; |
533c011a NIS |
1105 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1106 | I32 dovalues = (PL_op->op_type == OP_VALUES); | |
c750a3ec | 1107 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
72d299db GS |
1108 | |
1109 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) | |
a0d0e21e | 1110 | dokeys = dovalues = TRUE; |
463ee0b2 | 1111 | |
85581909 | 1112 | if (!hv) { |
533c011a | 1113 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1114 | dTARGET; /* make sure to clear its target here */ |
1115 | if (SvTYPE(TARG) == SVt_PVLV) | |
1116 | LvTARG(TARG) = Nullsv; | |
1117 | PUSHs(TARG); | |
1118 | } | |
463ee0b2 | 1119 | RETURN; |
85581909 | 1120 | } |
748a9306 | 1121 | |
800e9ae0 JP |
1122 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1123 | (void)hv_iterinit(keys); /* always reset iterator regardless */ | |
748a9306 | 1124 | |
54310121 | 1125 | if (gimme == G_VOID) |
aa689395 | 1126 | RETURN; |
1127 | ||
54310121 | 1128 | if (gimme == G_SCALAR) { |
6ee623d5 | 1129 | IV i; |
463ee0b2 LW |
1130 | dTARGET; |
1131 | ||
533c011a | 1132 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1133 | if (SvTYPE(TARG) < SVt_PVLV) { |
1134 | sv_upgrade(TARG, SVt_PVLV); | |
1135 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); | |
1136 | } | |
1137 | LvTYPE(TARG) = 'k'; | |
800e9ae0 | 1138 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 GS |
1139 | if (LvTARG(TARG)) |
1140 | SvREFCNT_dec(LvTARG(TARG)); | |
800e9ae0 | 1141 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 | 1142 | } |
85581909 SB |
1143 | PUSHs(TARG); |
1144 | RETURN; | |
1145 | } | |
1146 | ||
33c27489 | 1147 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 | 1148 | i = HvKEYS(keys); |
463ee0b2 LW |
1149 | else { |
1150 | i = 0; | |
463ee0b2 | 1151 | /*SUPPRESS 560*/ |
800e9ae0 | 1152 | while (hv_iternext(keys)) i++; |
463ee0b2 LW |
1153 | } |
1154 | PUSHi( i ); | |
1155 | RETURN; | |
1156 | } | |
1157 | ||
8ed4b672 | 1158 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 | 1159 | |
463ee0b2 | 1160 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 | 1161 | while ((entry = hv_iternext(keys))) { |
463ee0b2 | 1162 | SPAGAIN; |
8c2cee6f | 1163 | if (dokeys) |
1164 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ | |
463ee0b2 | 1165 | if (dovalues) { |
463ee0b2 | 1166 | PUTBACK; |
b6429b1b GS |
1167 | tmpstr = realhv ? |
1168 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); | |
cea2e8a9 | 1169 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c | 1170 | (unsigned long)HeHASH(entry), |
800e9ae0 JP |
1171 | HvMAX(keys)+1, |
1172 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); | |
463ee0b2 | 1173 | SPAGAIN; |
46fc3d4c | 1174 | XPUSHs(tmpstr); |
463ee0b2 LW |
1175 | } |
1176 | PUTBACK; | |
1177 | } | |
1178 | return NORMAL; | |
1179 | } | |
4e35701f | 1180 |