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 | ||
64ca3a65 | 18 | #ifndef PERL_MICRO |
79072805 LW |
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 JH |
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 LW |
46 | short *tbl; |
47 | I32 ch; | |
79072805 | 48 | |
4757a243 LW |
49 | tbl = (short*)cPVOP->op_pv; |
50 | if (!tbl) | |
cea2e8a9 | 51 | Perl_croak(aTHX_ "panic: do_trans"); |
a0ed51b3 | 52 | |
4757a243 LW |
53 | s = (U8*)SvPV(sv, len); |
54 | send = s + len; | |
55 | ||
b250498f GS |
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 GS |
60 | matches++; |
61 | *s++ = ch; | |
62 | } | |
63 | else | |
64 | s++; | |
65 | } | |
66 | SvSETMAGIC(sv); | |
b250498f GS |
67 | return matches; |
68 | } | |
4757a243 | 69 | |
b250498f GS |
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 GS |
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 GS |
80 | if (c < 0x100 && (ch = tbl[(short)c]) >= 0) { |
81 | matches++; | |
ed646e6e | 82 | d = uv_to_utf8(d,ch); |
b250498f | 83 | s += ulen; |
01ec43d0 GS |
84 | } |
85 | else { /* No match -> copy */ | |
b250498f GS |
86 | while (ulen--) |
87 | *d++ = *s++; | |
88 | } | |
89 | } | |
01ec43d0 | 90 | *d = '\0'; |
be3174d2 | 91 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
fdbb8cbd | 92 | Safefree(dstart); |
b250498f | 93 | SvUTF8_on(sv); |
b250498f | 94 | SvSETMAGIC(sv); |
4757a243 LW |
95 | return matches; |
96 | } | |
97 | ||
942e002e | 98 | STATIC I32 |
036b4402 | 99 | S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 | 100 | { |
4757a243 LW |
101 | U8 *s; |
102 | U8 *send; | |
103 | I32 matches = 0; | |
036b4402 | 104 | I32 hasutf = SvUTF8(sv); |
4757a243 LW |
105 | STRLEN len; |
106 | short *tbl; | |
107 | ||
108 | tbl = (short*)cPVOP->op_pv; | |
109 | if (!tbl) | |
cea2e8a9 | 110 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 LW |
111 | |
112 | s = (U8*)SvPV(sv, len); | |
113 | send = s + len; | |
114 | ||
115 | while (s < send) { | |
036b4402 | 116 | if (hasutf && *s & 0x80) |
01ec43d0 | 117 | s += UTF8SKIP(s); |
036b4402 | 118 | else { |
b250498f | 119 | UV c; |
ba210ebe | 120 | STRLEN ulen; |
b250498f GS |
121 | ulen = 1; |
122 | if (hasutf) | |
dcad2880 | 123 | c = utf8_to_uv(s, send - s, &ulen, 0); |
b250498f GS |
124 | else |
125 | c = *s; | |
126 | if (c < 0x100 && tbl[c] >= 0) | |
036b4402 | 127 | matches++; |
01ec43d0 | 128 | s += ulen; |
036b4402 | 129 | } |
4757a243 LW |
130 | } |
131 | ||
132 | return matches; | |
133 | } | |
134 | ||
942e002e | 135 | STATIC I32 |
b250498f | 136 | S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */ |
4757a243 | 137 | { |
4757a243 LW |
138 | U8 *s; |
139 | U8 *send; | |
140 | U8 *d; | |
5e44153e | 141 | U8 *dstart; |
036b4402 | 142 | I32 hasutf = SvUTF8(sv); |
4757a243 LW |
143 | I32 matches = 0; |
144 | STRLEN len; | |
145 | short *tbl; | |
146 | I32 ch; | |
147 | ||
148 | tbl = (short*)cPVOP->op_pv; | |
149 | if (!tbl) | |
cea2e8a9 | 150 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 LW |
151 | |
152 | s = (U8*)SvPV(sv, len); | |
153 | send = s + len; | |
154 | ||
5e44153e SC |
155 | Newz(0, d, len*2+1, U8); |
156 | dstart = d; | |
157 | ||
4757a243 LW |
158 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
159 | U8* p = send; | |
160 | ||
161 | while (s < send) { | |
036b4402 | 162 | if (hasutf && *s & 0x80) |
01ec43d0 | 163 | s += UTF8SKIP(s); |
036b4402 GS |
164 | else { |
165 | if ((ch = tbl[*s]) >= 0) { | |
166 | *d = ch; | |
167 | matches++; | |
5e44153e | 168 | if (p != d - 1 || *p != *d) |
036b4402 GS |
169 | p = d++; |
170 | } | |
01ec43d0 | 171 | else if (ch == -1) /* -1 is unmapped character */ |
036b4402 GS |
172 | *d++ = *s; /* -2 is delete character */ |
173 | s++; | |
174 | } | |
a0ed51b3 | 175 | } |
4757a243 LW |
176 | } |
177 | else { | |
178 | while (s < send) { | |
5e44153e | 179 | UV comp; |
036b4402 | 180 | if (hasutf && *s & 0x80) |
5e44153e SC |
181 | comp = utf8_to_uv_simple(s, NULL); |
182 | else | |
183 | comp = *s; | |
184 | ||
185 | ch = tbl[comp]; | |
186 | ||
187 | if (ch == -1) { /* -1 is unmapped character */ | |
188 | ch = comp; | |
189 | matches--; | |
190 | } | |
191 | ||
ed646e6e SC |
192 | if (ch >= 0) |
193 | d = uv_to_utf8(d, ch); | |
194 | ||
5e44153e SC |
195 | matches++; |
196 | ||
197 | s += hasutf && *s & 0x80 ? UNISKIP(*s) : 1; | |
198 | ||
5d06d08e | 199 | } |
4757a243 | 200 | } |
5e44153e | 201 | |
4757a243 | 202 | *d = '\0'; |
4757a243 | 203 | |
5e44153e SC |
204 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
205 | Safefree(dstart); | |
206 | if (hasutf) | |
207 | SvUTF8_on(sv); | |
208 | SvSETMAGIC(sv); | |
4757a243 | 209 | return matches; |
5e44153e | 210 | |
4757a243 LW |
211 | } |
212 | ||
942e002e | 213 | STATIC I32 |
036b4402 | 214 | S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 | 215 | { |
4757a243 LW |
216 | U8 *s; |
217 | U8 *send; | |
218 | U8 *d; | |
036b4402 GS |
219 | U8 *start; |
220 | U8 *dstart; | |
4757a243 LW |
221 | I32 matches = 0; |
222 | STRLEN len; | |
223 | ||
224 | SV* rv = (SV*)cSVOP->op_sv; | |
225 | HV* hv = (HV*)SvRV(rv); | |
226 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
227 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
228 | UV extra = none + 1; | |
229 | UV final; | |
230 | UV uv; | |
8e84507e | 231 | I32 isutf; |
036b4402 | 232 | I32 howmany; |
4757a243 | 233 | |
036b4402 | 234 | isutf = SvUTF8(sv); |
4757a243 LW |
235 | s = (U8*)SvPV(sv, len); |
236 | send = s + len; | |
036b4402 | 237 | start = s; |
4757a243 LW |
238 | |
239 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
240 | if (svp) | |
241 | final = SvUV(*svp); | |
242 | ||
036b4402 GS |
243 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
244 | Newz(0, d, len*2+1, U8); | |
245 | dstart = d; | |
4757a243 LW |
246 | while (s < send) { |
247 | if ((uv = swash_fetch(rv, s)) < none) { | |
248 | s += UTF8SKIP(s); | |
249 | matches++; | |
01ec43d0 | 250 | if ((uv & 0x80) && !isutf++) |
075321c3 | 251 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 LW |
252 | d = uv_to_utf8(d, uv); |
253 | } | |
254 | else if (uv == none) { | |
255 | int i; | |
01ec43d0 | 256 | i = UTF8SKIP(s); |
b250498f | 257 | if (i > 1 && !isutf++) |
075321c3 | 258 | HALF_UTF8_UPGRADE(dstart,d); |
036b4402 | 259 | while(i--) |
075321c3 | 260 | *d++ = *s++; |
4757a243 LW |
261 | } |
262 | else if (uv == extra) { | |
036b4402 | 263 | int i; |
01ec43d0 | 264 | i = UTF8SKIP(s); |
036b4402 | 265 | s += i; |
4757a243 | 266 | matches++; |
8e84507e | 267 | if (i > 1 && !isutf++) |
075321c3 | 268 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 LW |
269 | d = uv_to_utf8(d, final); |
270 | } | |
271 | else | |
272 | s += UTF8SKIP(s); | |
273 | } | |
274 | *d = '\0'; | |
be3174d2 | 275 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
4757a243 | 276 | SvSETMAGIC(sv); |
036b4402 GS |
277 | if (isutf) |
278 | SvUTF8_on(sv); | |
4757a243 LW |
279 | |
280 | return matches; | |
281 | } | |
282 | ||
942e002e | 283 | STATIC I32 |
036b4402 | 284 | S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 | 285 | { |
4757a243 LW |
286 | U8 *s; |
287 | U8 *send; | |
288 | I32 matches = 0; | |
289 | STRLEN len; | |
290 | ||
291 | SV* rv = (SV*)cSVOP->op_sv; | |
292 | HV* hv = (HV*)SvRV(rv); | |
293 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
294 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
295 | UV uv; | |
296 | ||
297 | s = (U8*)SvPV(sv, len); | |
036b4402 GS |
298 | if (!SvUTF8(sv)) |
299 | s = bytes_to_utf8(s, &len); | |
4757a243 LW |
300 | send = s + len; |
301 | ||
302 | while (s < send) { | |
834a4ddd | 303 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 | 304 | matches++; |
834a4ddd | 305 | s += UTF8SKIP(s); |
4757a243 LW |
306 | } |
307 | ||
308 | return matches; | |
309 | } | |
310 | ||
942e002e | 311 | STATIC I32 |
036b4402 | 312 | S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */ |
4757a243 | 313 | { |
4757a243 LW |
314 | U8 *s; |
315 | U8 *send; | |
316 | U8 *d; | |
317 | I32 matches = 0; | |
318 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; | |
4757a243 LW |
319 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
320 | SV* rv = (SV*)cSVOP->op_sv; | |
321 | HV* hv = (HV*)SvRV(rv); | |
322 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
323 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
324 | UV extra = none + 1; | |
325 | UV final; | |
326 | UV uv; | |
327 | STRLEN len; | |
328 | U8 *dst; | |
b250498f | 329 | I32 isutf = SvUTF8(sv); |
4757a243 LW |
330 | |
331 | s = (U8*)SvPV(sv, len); | |
332 | send = s + len; | |
333 | ||
334 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
335 | if (svp) | |
336 | final = SvUV(*svp); | |
337 | ||
b250498f | 338 | Newz(0, d, len*2+1, U8); |
4757a243 | 339 | dst = d; |
4757a243 LW |
340 | |
341 | if (squash) { | |
342 | UV puv = 0xfeedface; | |
343 | while (s < send) { | |
8e84507e | 344 | if (SvUTF8(sv)) |
4757a243 | 345 | uv = swash_fetch(rv, s); |
a0ed51b3 | 346 | else { |
4757a243 LW |
347 | U8 tmpbuf[2]; |
348 | uv = *s++; | |
349 | if (uv < 0x80) | |
350 | tmpbuf[0] = uv; | |
351 | else { | |
352 | tmpbuf[0] = (( uv >> 6) | 0xc0); | |
353 | tmpbuf[1] = (( uv & 0x3f) | 0x80); | |
354 | } | |
355 | uv = swash_fetch(rv, tmpbuf); | |
356 | } | |
b250498f | 357 | |
4757a243 LW |
358 | if (uv < none) { |
359 | matches++; | |
360 | if (uv != puv) { | |
8e84507e | 361 | if ((uv & 0x80) && !isutf++) |
075321c3 | 362 | HALF_UTF8_UPGRADE(dst,d); |
01ec43d0 | 363 | d = uv_to_utf8(d, uv); |
4757a243 LW |
364 | puv = uv; |
365 | } | |
075321c3 | 366 | s += UTF8SKIP(s); |
4757a243 LW |
367 | continue; |
368 | } | |
369 | else if (uv == none) { /* "none" is unmapped character */ | |
ba210ebe | 370 | STRLEN ulen; |
dcad2880 | 371 | *d++ = (U8)utf8_to_uv(s, send - s, &ulen, 0); |
01ec43d0 | 372 | s += ulen; |
4757a243 LW |
373 | puv = 0xfeedface; |
374 | continue; | |
a0ed51b3 | 375 | } |
4757a243 LW |
376 | else if (uv == extra && !del) { |
377 | matches++; | |
378 | if (uv != puv) { | |
01ec43d0 | 379 | d = uv_to_utf8(d, final); |
4757a243 LW |
380 | puv = final; |
381 | } | |
01ec43d0 | 382 | s += UTF8SKIP(s); |
4757a243 LW |
383 | continue; |
384 | } | |
01ec43d0 GS |
385 | matches++; /* "none+1" is delete character */ |
386 | s += UTF8SKIP(s); | |
a0ed51b3 | 387 | } |
79072805 LW |
388 | } |
389 | else { | |
4757a243 | 390 | while (s < send) { |
8e84507e | 391 | if (SvUTF8(sv)) |
4757a243 | 392 | uv = swash_fetch(rv, s); |
4757a243 LW |
393 | else { |
394 | U8 tmpbuf[2]; | |
395 | uv = *s++; | |
396 | if (uv < 0x80) | |
397 | tmpbuf[0] = uv; | |
398 | else { | |
399 | tmpbuf[0] = (( uv >> 6) | 0xc0); | |
400 | tmpbuf[1] = (( uv & 0x3f) | 0x80); | |
a0ed51b3 | 401 | } |
4757a243 | 402 | uv = swash_fetch(rv, tmpbuf); |
a0ed51b3 | 403 | } |
4757a243 LW |
404 | if (uv < none) { |
405 | matches++; | |
01ec43d0 GS |
406 | d = uv_to_utf8(d, uv); |
407 | s += UTF8SKIP(s); | |
4757a243 | 408 | continue; |
a0ed51b3 | 409 | } |
4757a243 | 410 | else if (uv == none) { /* "none" is unmapped character */ |
ba210ebe | 411 | STRLEN ulen; |
dcad2880 | 412 | *d++ = (U8)utf8_to_uv(s, send - s, &ulen, 0); |
01ec43d0 | 413 | s += ulen; |
4757a243 | 414 | continue; |
79072805 | 415 | } |
4757a243 LW |
416 | else if (uv == extra && !del) { |
417 | matches++; | |
01ec43d0 GS |
418 | d = uv_to_utf8(d, final); |
419 | s += UTF8SKIP(s); | |
4757a243 LW |
420 | continue; |
421 | } | |
01ec43d0 GS |
422 | matches++; /* "none+1" is delete character */ |
423 | s += UTF8SKIP(s); | |
79072805 | 424 | } |
4757a243 LW |
425 | } |
426 | if (dst) | |
427 | sv_usepvn(sv, (char*)dst, d - dst); | |
428 | else { | |
429 | *d = '\0'; | |
430 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); | |
431 | } | |
432 | SvSETMAGIC(sv); | |
433 | ||
434 | return matches; | |
435 | } | |
436 | ||
437 | I32 | |
864dbfa3 | 438 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 LW |
439 | { |
440 | STRLEN len; | |
8e84507e | 441 | I32 hasutf = (PL_op->op_private & |
036b4402 | 442 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 LW |
443 | |
444 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) | |
cea2e8a9 | 445 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 LW |
446 | |
447 | (void)SvPV(sv, len); | |
448 | if (!len) | |
449 | return 0; | |
450 | if (!SvPOKp(sv)) | |
451 | (void)SvPV_force(sv, len); | |
2de7b02f GS |
452 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
453 | (void)SvPOK_only_UTF8(sv); | |
4757a243 | 454 | |
cea2e8a9 | 455 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 | 456 | |
036b4402 | 457 | switch (PL_op->op_private & ~hasutf & 63) { |
4757a243 | 458 | case 0: |
01ec43d0 GS |
459 | if (hasutf) |
460 | return do_trans_simple_utf8(sv); | |
461 | else | |
462 | return do_trans_simple(sv); | |
4757a243 LW |
463 | |
464 | case OPpTRANS_IDENTICAL: | |
01ec43d0 GS |
465 | if (hasutf) |
466 | return do_trans_count_utf8(sv); | |
467 | else | |
468 | return do_trans_count(sv); | |
4757a243 LW |
469 | |
470 | default: | |
01ec43d0 | 471 | if (hasutf) |
036b4402 | 472 | return do_trans_complex_utf8(sv); |
4757a243 | 473 | else |
036b4402 | 474 | return do_trans_complex(sv); |
79072805 | 475 | } |
79072805 LW |
476 | } |
477 | ||
478 | void | |
864dbfa3 | 479 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 LW |
480 | { |
481 | SV **oldmark = mark; | |
482 | register I32 items = sp - mark; | |
79072805 | 483 | register STRLEN len; |
463ee0b2 LW |
484 | STRLEN delimlen; |
485 | register char *delim = SvPV(del, delimlen); | |
486 | STRLEN tmplen; | |
79072805 LW |
487 | |
488 | mark++; | |
489 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); | |
07f14f54 | 490 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 LW |
491 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
492 | while (items-- > 0) { | |
1426bbf4 | 493 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
463ee0b2 LW |
494 | SvPV(*mark, tmplen); |
495 | len += tmplen; | |
79072805 LW |
496 | } |
497 | mark++; | |
498 | } | |
499 | SvGROW(sv, len + 1); /* so try to pre-extend */ | |
500 | ||
501 | mark = oldmark; | |
db7c17d7 | 502 | items = sp - mark; |
79072805 LW |
503 | ++mark; |
504 | } | |
505 | ||
463ee0b2 | 506 | if (items-- > 0) { |
8990e307 LW |
507 | char *s; |
508 | ||
92d29cee JH |
509 | sv_setpv(sv, ""); |
510 | if (*mark) | |
511 | sv_catsv(sv, *mark); | |
463ee0b2 LW |
512 | mark++; |
513 | } | |
79072805 LW |
514 | else |
515 | sv_setpv(sv,""); | |
516 | len = delimlen; | |
517 | if (len) { | |
518 | for (; items > 0; items--,mark++) { | |
519 | sv_catpvn(sv,delim,len); | |
520 | sv_catsv(sv,*mark); | |
521 | } | |
522 | } | |
523 | else { | |
524 | for (; items > 0; items--,mark++) | |
525 | sv_catsv(sv,*mark); | |
526 | } | |
527 | SvSETMAGIC(sv); | |
528 | } | |
529 | ||
530 | void | |
864dbfa3 | 531 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 | 532 | { |
46fc3d4c | 533 | STRLEN patlen; |
534 | char *pat = SvPV(*sarg, patlen); | |
535 | bool do_taint = FALSE; | |
536 | ||
537 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); | |
79072805 | 538 | SvSETMAGIC(sv); |
46fc3d4c | 539 | if (do_taint) |
540 | SvTAINTED_on(sv); | |
79072805 LW |
541 | } |
542 | ||
33b45480 | 543 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 JH |
544 | UV |
545 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) | |
546 | { | |
547 | STRLEN srclen, len; | |
548 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); | |
549 | UV retnum = 0; | |
550 | ||
a50d7633 | 551 | if (offset < 0) |
81e118e0 | 552 | return retnum; |
8e84507e | 553 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 554 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
246fae53 | 555 | |
dcad2880 | 556 | if (SvUTF8(sv)) |
33b45480 | 557 | (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE); |
246fae53 | 558 | |
81e118e0 JH |
559 | offset *= size; /* turn into bit offset */ |
560 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
561 | if (len > srclen) { | |
562 | if (size <= 8) | |
563 | retnum = 0; | |
564 | else { | |
565 | offset >>= 3; /* turn into byte offset */ | |
566 | if (size == 16) { | |
567 | if (offset >= srclen) | |
568 | retnum = 0; | |
569 | else | |
628e1a40 | 570 | retnum = (UV) s[offset] << 8; |
81e118e0 JH |
571 | } |
572 | else if (size == 32) { | |
573 | if (offset >= srclen) | |
574 | retnum = 0; | |
575 | else if (offset + 1 >= srclen) | |
576 | retnum = | |
577 | ((UV) s[offset ] << 24); | |
578 | else if (offset + 2 >= srclen) | |
579 | retnum = | |
580 | ((UV) s[offset ] << 24) + | |
581 | ((UV) s[offset + 1] << 16); | |
582 | else | |
583 | retnum = | |
584 | ((UV) s[offset ] << 24) + | |
585 | ((UV) s[offset + 1] << 16) + | |
586 | ( s[offset + 2] << 8); | |
587 | } | |
d7d93a81 | 588 | #ifdef UV_IS_QUAD |
c5a0f51a | 589 | else if (size == 64) { |
c5a0f51a JH |
590 | if (ckWARN(WARN_PORTABLE)) |
591 | Perl_warner(aTHX_ WARN_PORTABLE, | |
592 | "Bit vector size > 32 non-portable"); | |
593 | if (offset >= srclen) | |
594 | retnum = 0; | |
595 | else if (offset + 1 >= srclen) | |
596 | retnum = | |
597 | (UV) s[offset ] << 56; | |
598 | else if (offset + 2 >= srclen) | |
599 | retnum = | |
600 | ((UV) s[offset ] << 56) + | |
601 | ((UV) s[offset + 1] << 48); | |
602 | else if (offset + 3 >= srclen) | |
603 | retnum = | |
604 | ((UV) s[offset ] << 56) + | |
605 | ((UV) s[offset + 1] << 48) + | |
606 | ((UV) s[offset + 2] << 40); | |
607 | else if (offset + 4 >= srclen) | |
608 | retnum = | |
609 | ((UV) s[offset ] << 56) + | |
610 | ((UV) s[offset + 1] << 48) + | |
611 | ((UV) s[offset + 2] << 40) + | |
612 | ((UV) s[offset + 3] << 32); | |
613 | else if (offset + 5 >= 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 | ( s[offset + 4] << 24); | |
620 | else if (offset + 6 >= srclen) | |
621 | retnum = | |
622 | ((UV) s[offset ] << 56) + | |
623 | ((UV) s[offset + 1] << 48) + | |
624 | ((UV) s[offset + 2] << 40) + | |
625 | ((UV) s[offset + 3] << 32) + | |
626 | ((UV) s[offset + 4] << 24) + | |
627 | ((UV) s[offset + 5] << 16); | |
628 | else | |
8e84507e | 629 | retnum = |
c5a0f51a JH |
630 | ((UV) s[offset ] << 56) + |
631 | ((UV) s[offset + 1] << 48) + | |
632 | ((UV) s[offset + 2] << 40) + | |
633 | ((UV) s[offset + 3] << 32) + | |
634 | ((UV) s[offset + 4] << 24) + | |
635 | ((UV) s[offset + 5] << 16) + | |
628e1a40 | 636 | ( s[offset + 6] << 8); |
c5a0f51a JH |
637 | } |
638 | #endif | |
81e118e0 JH |
639 | } |
640 | } | |
641 | else if (size < 8) | |
642 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); | |
643 | else { | |
644 | offset >>= 3; /* turn into byte offset */ | |
645 | if (size == 8) | |
646 | retnum = s[offset]; | |
647 | else if (size == 16) | |
648 | retnum = | |
628e1a40 | 649 | ((UV) s[offset] << 8) + |
81e118e0 JH |
650 | s[offset + 1]; |
651 | else if (size == 32) | |
652 | retnum = | |
653 | ((UV) s[offset ] << 24) + | |
654 | ((UV) s[offset + 1] << 16) + | |
655 | ( s[offset + 2] << 8) + | |
656 | s[offset + 3]; | |
d7d93a81 | 657 | #ifdef UV_IS_QUAD |
c5a0f51a | 658 | else if (size == 64) { |
c5a0f51a JH |
659 | if (ckWARN(WARN_PORTABLE)) |
660 | Perl_warner(aTHX_ WARN_PORTABLE, | |
661 | "Bit vector size > 32 non-portable"); | |
662 | retnum = | |
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 JH |
670 | s[offset + 7]; |
671 | } | |
672 | #endif | |
81e118e0 JH |
673 | } |
674 | ||
675 | return retnum; | |
676 | } | |
677 | ||
33b45480 SB |
678 | /* currently converts input to bytes if possible but doesn't sweat failures, |
679 | * although it does ensure that the string it clobbers is not marked as | |
680 | * utf8-valid any more | |
681 | */ | |
79072805 | 682 | void |
864dbfa3 | 683 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 LW |
684 | { |
685 | SV *targ = LvTARG(sv); | |
686 | register I32 offset; | |
687 | register I32 size; | |
8990e307 | 688 | register unsigned char *s; |
81e118e0 | 689 | register UV lval; |
79072805 | 690 | I32 mask; |
a0d0e21e LW |
691 | STRLEN targlen; |
692 | STRLEN len; | |
79072805 | 693 | |
8990e307 LW |
694 | if (!targ) |
695 | return; | |
a0d0e21e | 696 | s = (unsigned char*)SvPV_force(targ, targlen); |
246fae53 | 697 | if (SvUTF8(targ)) { |
33b45480 SB |
698 | /* This is handled by the SvPOK_only below... |
699 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) | |
700 | SvUTF8_off(targ); | |
701 | */ | |
702 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); | |
246fae53 MG |
703 | } |
704 | ||
4ebbc975 | 705 | (void)SvPOK_only(targ); |
81e118e0 | 706 | lval = SvUV(sv); |
79072805 | 707 | offset = LvTARGOFF(sv); |
fe58ced6 MG |
708 | if (offset < 0) |
709 | Perl_croak(aTHX_ "Assigning to negative offset in vec"); | |
79072805 | 710 | size = LvTARGLEN(sv); |
8e84507e | 711 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 712 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
8e84507e | 713 | |
81e118e0 JH |
714 | offset *= size; /* turn into bit offset */ |
715 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
a0d0e21e LW |
716 | if (len > targlen) { |
717 | s = (unsigned char*)SvGROW(targ, len + 1); | |
12ae5dfc | 718 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e LW |
719 | SvCUR_set(targ, len); |
720 | } | |
8e84507e | 721 | |
79072805 LW |
722 | if (size < 8) { |
723 | mask = (1 << size) - 1; | |
724 | size = offset & 7; | |
725 | lval &= mask; | |
81e118e0 | 726 | offset >>= 3; /* turn into byte offset */ |
79072805 LW |
727 | s[offset] &= ~(mask << size); |
728 | s[offset] |= lval << size; | |
729 | } | |
730 | else { | |
81e118e0 | 731 | offset >>= 3; /* turn into byte offset */ |
79072805 | 732 | if (size == 8) |
c5a0f51a | 733 | s[offset ] = lval & 0xff; |
79072805 | 734 | else if (size == 16) { |
c5a0f51a JH |
735 | s[offset ] = (lval >> 8) & 0xff; |
736 | s[offset+1] = lval & 0xff; | |
79072805 LW |
737 | } |
738 | else if (size == 32) { | |
c5a0f51a JH |
739 | s[offset ] = (lval >> 24) & 0xff; |
740 | s[offset+1] = (lval >> 16) & 0xff; | |
741 | s[offset+2] = (lval >> 8) & 0xff; | |
742 | s[offset+3] = lval & 0xff; | |
743 | } | |
d7d93a81 | 744 | #ifdef UV_IS_QUAD |
c5a0f51a | 745 | else if (size == 64) { |
c5a0f51a JH |
746 | if (ckWARN(WARN_PORTABLE)) |
747 | Perl_warner(aTHX_ WARN_PORTABLE, | |
748 | "Bit vector size > 32 non-portable"); | |
749 | s[offset ] = (lval >> 56) & 0xff; | |
750 | s[offset+1] = (lval >> 48) & 0xff; | |
751 | s[offset+2] = (lval >> 40) & 0xff; | |
752 | s[offset+3] = (lval >> 32) & 0xff; | |
753 | s[offset+4] = (lval >> 24) & 0xff; | |
754 | s[offset+5] = (lval >> 16) & 0xff; | |
755 | s[offset+6] = (lval >> 8) & 0xff; | |
756 | s[offset+7] = lval & 0xff; | |
79072805 | 757 | } |
dc1e3f56 | 758 | #endif |
79072805 | 759 | } |
7bb043c3 | 760 | SvSETMAGIC(targ); |
79072805 LW |
761 | } |
762 | ||
763 | void | |
864dbfa3 | 764 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 | 765 | { |
463ee0b2 | 766 | STRLEN len; |
a0d0e21e | 767 | char *s; |
8e84507e | 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 | { |
c07a80fd | 829 | register I32 count; |
a0d0e21e LW |
830 | STRLEN len; |
831 | char *s; | |
c07a80fd | 832 | |
3280af22 | 833 | if (RsSNARF(PL_rs)) |
c07a80fd | 834 | return 0; |
4c5a6083 GS |
835 | if (RsRECORD(PL_rs)) |
836 | return 0; | |
c07a80fd | 837 | count = 0; |
a0d0e21e LW |
838 | if (SvTYPE(sv) == SVt_PVAV) { |
839 | register I32 i; | |
840 | I32 max; | |
841 | AV* av = (AV*)sv; | |
842 | max = AvFILL(av); | |
843 | for (i = 0; i <= max; i++) { | |
844 | sv = (SV*)av_fetch(av, i, FALSE); | |
3280af22 | 845 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
846 | count += do_chomp(sv); |
847 | } | |
848 | return count; | |
849 | } | |
aa854799 | 850 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e LW |
851 | HV* hv = (HV*)sv; |
852 | HE* entry; | |
853 | (void)hv_iterinit(hv); | |
854 | /*SUPPRESS 560*/ | |
155aba94 | 855 | while ((entry = hv_iternext(hv))) |
a0d0e21e LW |
856 | count += do_chomp(hv_iterval(hv,entry)); |
857 | return count; | |
858 | } | |
aa854799 | 859 | else if (SvREADONLY(sv)) |
cea2e8a9 | 860 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e LW |
861 | s = SvPV(sv, len); |
862 | if (len && !SvPOKp(sv)) | |
863 | s = SvPV_force(sv, len); | |
864 | if (s && len) { | |
865 | s += --len; | |
3280af22 | 866 | if (RsPARA(PL_rs)) { |
a0d0e21e LW |
867 | if (*s != '\n') |
868 | goto nope; | |
869 | ++count; | |
870 | while (len && s[-1] == '\n') { | |
871 | --len; | |
872 | --s; | |
873 | ++count; | |
874 | } | |
875 | } | |
a0d0e21e | 876 | else { |
c07a80fd | 877 | STRLEN rslen; |
3280af22 | 878 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd | 879 | if (rslen == 1) { |
880 | if (*s != *rsptr) | |
881 | goto nope; | |
882 | ++count; | |
883 | } | |
884 | else { | |
8c2cee6f | 885 | if (len < rslen - 1) |
c07a80fd | 886 | goto nope; |
887 | len -= rslen - 1; | |
888 | s -= rslen - 1; | |
36477c24 | 889 | if (memNE(s, rsptr, rslen)) |
c07a80fd | 890 | goto nope; |
891 | count += rslen; | |
892 | } | |
a0d0e21e | 893 | } |
a0d0e21e LW |
894 | *s = '\0'; |
895 | SvCUR_set(sv, len); | |
896 | SvNIOK_off(sv); | |
897 | } | |
898 | nope: | |
899 | SvSETMAGIC(sv); | |
900 | return count; | |
8e84507e | 901 | } |
79072805 LW |
902 | |
903 | void | |
864dbfa3 | 904 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 LW |
905 | { |
906 | #ifdef LIBERAL | |
907 | register long *dl; | |
908 | register long *ll; | |
909 | register long *rl; | |
910 | #endif | |
911 | register char *dc; | |
463ee0b2 LW |
912 | STRLEN leftlen; |
913 | STRLEN rightlen; | |
7a4c00b4 | 914 | register char *lc; |
915 | register char *rc; | |
79072805 | 916 | register I32 len; |
a0d0e21e | 917 | I32 lensave; |
7a4c00b4 | 918 | char *lsave; |
919 | char *rsave; | |
0c57e439 GS |
920 | bool left_utf = DO_UTF8(left); |
921 | bool right_utf = DO_UTF8(right); | |
c9b3c8d0 | 922 | I32 needlen; |
0c57e439 GS |
923 | |
924 | if (left_utf && !right_utf) | |
925 | sv_utf8_upgrade(right); | |
a1ca4561 | 926 | else if (!left_utf && right_utf) |
0c57e439 | 927 | sv_utf8_upgrade(left); |
79072805 | 928 | |
1fbd88dc CS |
929 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
930 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ | |
7a4c00b4 | 931 | lsave = lc = SvPV(left, leftlen); |
932 | rsave = rc = SvPV(right, rightlen); | |
93a17b20 | 933 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e | 934 | lensave = len; |
c9b3c8d0 JH |
935 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
936 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; | |
937 | Newz(801, dc, needlen + 1, char); | |
938 | } | |
939 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { | |
2d8e6c8d GS |
940 | STRLEN n_a; |
941 | dc = SvPV_force(sv, n_a); | |
ff68c719 | 942 | if (SvCUR(sv) < len) { |
943 | dc = SvGROW(sv, len + 1); | |
944 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); | |
945 | } | |
c9b3c8d0 JH |
946 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
947 | dc = SvGROW(sv, leftlen + rightlen + 1); | |
ff68c719 | 948 | } |
949 | else { | |
c9b3c8d0 JH |
950 | needlen = ((optype == OP_BIT_AND) |
951 | ? len : (leftlen > rightlen ? leftlen : rightlen)); | |
ff68c719 | 952 | Newz(801, dc, needlen + 1, char); |
953 | (void)sv_usepvn(sv, dc, needlen); | |
954 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ | |
79072805 | 955 | } |
a0d0e21e LW |
956 | SvCUR_set(sv, len); |
957 | (void)SvPOK_only(sv); | |
0c57e439 GS |
958 | if (left_utf || right_utf) { |
959 | UV duc, luc, ruc; | |
c9b3c8d0 | 960 | char *dcsave = dc; |
0c57e439 GS |
961 | STRLEN lulen = leftlen; |
962 | STRLEN rulen = rightlen; | |
ba210ebe | 963 | STRLEN ulen; |
0c57e439 GS |
964 | |
965 | switch (optype) { | |
966 | case OP_BIT_AND: | |
967 | while (lulen && rulen) { | |
cc366d4b | 968 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
969 | lc += ulen; |
970 | lulen -= ulen; | |
cc366d4b | 971 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
972 | rc += ulen; |
973 | rulen -= ulen; | |
974 | duc = luc & ruc; | |
975 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
976 | } | |
c9b3c8d0 JH |
977 | if (sv == left || sv == right) |
978 | (void)sv_usepvn(sv, dcsave, needlen); | |
979 | SvCUR_set(sv, dc - dcsave); | |
0c57e439 GS |
980 | break; |
981 | case OP_BIT_XOR: | |
982 | while (lulen && rulen) { | |
cc366d4b | 983 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
984 | lc += ulen; |
985 | lulen -= ulen; | |
cc366d4b | 986 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
987 | rc += ulen; |
988 | rulen -= ulen; | |
989 | duc = luc ^ ruc; | |
990 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
991 | } | |
992 | goto mop_up_utf; | |
993 | case OP_BIT_OR: | |
994 | while (lulen && rulen) { | |
cc366d4b | 995 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
996 | lc += ulen; |
997 | lulen -= ulen; | |
cc366d4b | 998 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
999 | rc += ulen; |
1000 | rulen -= ulen; | |
1001 | duc = luc | ruc; | |
1002 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
1003 | } | |
1004 | mop_up_utf: | |
c9b3c8d0 JH |
1005 | if (sv == left || sv == right) |
1006 | (void)sv_usepvn(sv, dcsave, needlen); | |
1007 | SvCUR_set(sv, dc - dcsave); | |
0c57e439 GS |
1008 | if (rulen) |
1009 | sv_catpvn(sv, rc, rulen); | |
1010 | else if (lulen) | |
1011 | sv_catpvn(sv, lc, lulen); | |
1012 | else | |
1013 | *SvEND(sv) = '\0'; | |
1014 | break; | |
1015 | } | |
1016 | SvUTF8_on(sv); | |
1017 | goto finish; | |
1018 | } | |
1019 | else | |
79072805 LW |
1020 | #ifdef LIBERAL |
1021 | if (len >= sizeof(long)*4 && | |
1022 | !((long)dc % sizeof(long)) && | |
1023 | !((long)lc % sizeof(long)) && | |
1024 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ | |
1025 | { | |
1026 | I32 remainder = len % (sizeof(long)*4); | |
1027 | len /= (sizeof(long)*4); | |
1028 | ||
1029 | dl = (long*)dc; | |
1030 | ll = (long*)lc; | |
1031 | rl = (long*)rc; | |
1032 | ||
1033 | switch (optype) { | |
1034 | case OP_BIT_AND: | |
1035 | while (len--) { | |
1036 | *dl++ = *ll++ & *rl++; | |
1037 | *dl++ = *ll++ & *rl++; | |
1038 | *dl++ = *ll++ & *rl++; | |
1039 | *dl++ = *ll++ & *rl++; | |
1040 | } | |
1041 | break; | |
a0d0e21e | 1042 | case OP_BIT_XOR: |
79072805 LW |
1043 | while (len--) { |
1044 | *dl++ = *ll++ ^ *rl++; | |
1045 | *dl++ = *ll++ ^ *rl++; | |
1046 | *dl++ = *ll++ ^ *rl++; | |
1047 | *dl++ = *ll++ ^ *rl++; | |
1048 | } | |
1049 | break; | |
1050 | case OP_BIT_OR: | |
1051 | while (len--) { | |
1052 | *dl++ = *ll++ | *rl++; | |
1053 | *dl++ = *ll++ | *rl++; | |
1054 | *dl++ = *ll++ | *rl++; | |
1055 | *dl++ = *ll++ | *rl++; | |
1056 | } | |
1057 | } | |
1058 | ||
1059 | dc = (char*)dl; | |
1060 | lc = (char*)ll; | |
1061 | rc = (char*)rl; | |
1062 | ||
1063 | len = remainder; | |
1064 | } | |
1065 | #endif | |
a0d0e21e | 1066 | { |
a0d0e21e LW |
1067 | switch (optype) { |
1068 | case OP_BIT_AND: | |
1069 | while (len--) | |
1070 | *dc++ = *lc++ & *rc++; | |
1071 | break; | |
1072 | case OP_BIT_XOR: | |
1073 | while (len--) | |
1074 | *dc++ = *lc++ ^ *rc++; | |
1075 | goto mop_up; | |
1076 | case OP_BIT_OR: | |
1077 | while (len--) | |
1078 | *dc++ = *lc++ | *rc++; | |
1079 | mop_up: | |
1080 | len = lensave; | |
1081 | if (rightlen > len) | |
1082 | sv_catpvn(sv, rsave + len, rightlen - len); | |
1083 | else if (leftlen > len) | |
1084 | sv_catpvn(sv, lsave + len, leftlen - len); | |
4633a7c4 LW |
1085 | else |
1086 | *SvEND(sv) = '\0'; | |
a0d0e21e LW |
1087 | break; |
1088 | } | |
79072805 | 1089 | } |
0c57e439 | 1090 | finish: |
fb73857a | 1091 | SvTAINT(sv); |
79072805 | 1092 | } |
463ee0b2 LW |
1093 | |
1094 | OP * | |
cea2e8a9 | 1095 | Perl_do_kv(pTHX) |
463ee0b2 | 1096 | { |
4e35701f | 1097 | djSP; |
463ee0b2 | 1098 | HV *hv = (HV*)POPs; |
800e9ae0 | 1099 | HV *keys; |
463ee0b2 | 1100 | register HE *entry; |
463ee0b2 | 1101 | SV *tmpstr; |
54310121 | 1102 | I32 gimme = GIMME_V; |
533c011a NIS |
1103 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1104 | I32 dovalues = (PL_op->op_type == OP_VALUES); | |
c750a3ec | 1105 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
8e84507e NIS |
1106 | |
1107 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) | |
a0d0e21e | 1108 | dokeys = dovalues = TRUE; |
463ee0b2 | 1109 | |
85581909 | 1110 | if (!hv) { |
533c011a | 1111 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1112 | dTARGET; /* make sure to clear its target here */ |
1113 | if (SvTYPE(TARG) == SVt_PVLV) | |
1114 | LvTARG(TARG) = Nullsv; | |
1115 | PUSHs(TARG); | |
1116 | } | |
463ee0b2 | 1117 | RETURN; |
85581909 | 1118 | } |
748a9306 | 1119 | |
800e9ae0 JP |
1120 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1121 | (void)hv_iterinit(keys); /* always reset iterator regardless */ | |
748a9306 | 1122 | |
54310121 | 1123 | if (gimme == G_VOID) |
aa689395 | 1124 | RETURN; |
1125 | ||
54310121 | 1126 | if (gimme == G_SCALAR) { |
6ee623d5 | 1127 | IV i; |
463ee0b2 LW |
1128 | dTARGET; |
1129 | ||
533c011a | 1130 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1131 | if (SvTYPE(TARG) < SVt_PVLV) { |
1132 | sv_upgrade(TARG, SVt_PVLV); | |
1133 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); | |
1134 | } | |
1135 | LvTYPE(TARG) = 'k'; | |
800e9ae0 | 1136 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 GS |
1137 | if (LvTARG(TARG)) |
1138 | SvREFCNT_dec(LvTARG(TARG)); | |
800e9ae0 | 1139 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 | 1140 | } |
85581909 SB |
1141 | PUSHs(TARG); |
1142 | RETURN; | |
1143 | } | |
1144 | ||
33c27489 | 1145 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 | 1146 | i = HvKEYS(keys); |
463ee0b2 LW |
1147 | else { |
1148 | i = 0; | |
463ee0b2 | 1149 | /*SUPPRESS 560*/ |
800e9ae0 | 1150 | while (hv_iternext(keys)) i++; |
463ee0b2 LW |
1151 | } |
1152 | PUSHi( i ); | |
1153 | RETURN; | |
1154 | } | |
1155 | ||
8ed4b672 | 1156 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 | 1157 | |
463ee0b2 | 1158 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 | 1159 | while ((entry = hv_iternext(keys))) { |
463ee0b2 | 1160 | SPAGAIN; |
6bfc225d | 1161 | if (dokeys) |
8c2cee6f | 1162 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 | 1163 | if (dovalues) { |
463ee0b2 | 1164 | PUTBACK; |
b6429b1b GS |
1165 | tmpstr = realhv ? |
1166 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); | |
cea2e8a9 | 1167 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c | 1168 | (unsigned long)HeHASH(entry), |
800e9ae0 JP |
1169 | HvMAX(keys)+1, |
1170 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); | |
463ee0b2 | 1171 | SPAGAIN; |
46fc3d4c | 1172 | XPUSHs(tmpstr); |
463ee0b2 LW |
1173 | } |
1174 | PUTBACK; | |
1175 | } | |
1176 | return NORMAL; | |
1177 | } | |
4e35701f | 1178 |