Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* doop.c |
79072805 | 2 | * |
1129b882 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
f4b6e4b3 | 4 | * 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others |
79072805 LW |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
a0d0e21e LW |
9 | */ |
10 | ||
11 | /* | |
4ac71550 TC |
12 | * 'So that was the job I felt I had to do when I started,' thought Sam. |
13 | * | |
14 | * [p.934 of _The Lord of the Rings_, VI/iii: "Mount Doom"] | |
79072805 LW |
15 | */ |
16 | ||
166f8a29 | 17 | /* This file contains some common functions needed to carry out certain |
347f3823 | 18 | * ops. For example, both pp_sprintf() and pp_prtf() call the function |
fc7d284e | 19 | * do_sprintf() found in this file. |
166f8a29 DM |
20 | */ |
21 | ||
79072805 | 22 | #include "EXTERN.h" |
864dbfa3 | 23 | #define PERL_IN_DOOP_C |
79072805 LW |
24 | #include "perl.h" |
25 | ||
64ca3a65 | 26 | #ifndef PERL_MICRO |
79072805 LW |
27 | #include <signal.h> |
28 | #endif | |
29 | ||
942e002e | 30 | STATIC I32 |
c395bd6c | 31 | S_do_trans_simple(pTHX_ SV * const sv) |
79072805 | 32 | { |
4757a243 | 33 | I32 matches = 0; |
463ee0b2 | 34 | STRLEN len; |
9138d6ca | 35 | U8 *s = (U8*)SvPV_nomg(sv,len); |
c395bd6c | 36 | U8 * const send = s+len; |
c4420975 | 37 | const short * const tbl = (short*)cPVOP->op_pv; |
7918f24d NC |
38 | |
39 | PERL_ARGS_ASSERT_DO_TRANS_SIMPLE; | |
40 | ||
4757a243 | 41 | if (!tbl) |
7d85a32c | 42 | Perl_croak(aTHX_ "panic: do_trans_simple line %d",__LINE__); |
a0ed51b3 | 43 | |
1e54db1a | 44 | /* First, take care of non-UTF-8 input strings, because they're easy */ |
1aa99e6b | 45 | if (!SvUTF8(sv)) { |
01ec43d0 | 46 | while (s < send) { |
f54cb97a AL |
47 | const I32 ch = tbl[*s]; |
48 | if (ch >= 0) { | |
01ec43d0 | 49 | matches++; |
c4420975 | 50 | *s = (U8)ch; |
01ec43d0 | 51 | } |
c4420975 | 52 | s++; |
01ec43d0 GS |
53 | } |
54 | SvSETMAGIC(sv); | |
9b877dbb IH |
55 | } |
56 | else { | |
c395bd6c AL |
57 | const I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
58 | U8 *d; | |
59 | U8 *dstart; | |
60 | ||
61 | /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ | |
62 | if (grows) | |
63 | Newx(d, len*2+1, U8); | |
64 | else | |
65 | d = s; | |
66 | dstart = d; | |
67 | while (s < send) { | |
68 | STRLEN ulen; | |
69 | I32 ch; | |
70 | ||
71 | /* Need to check this, otherwise 128..255 won't match */ | |
72 | const UV c = utf8n_to_uvchr(s, send - s, &ulen, UTF8_ALLOW_DEFAULT); | |
73 | if (c < 0x100 && (ch = tbl[c]) >= 0) { | |
74 | matches++; | |
75 | d = uvchr_to_utf8(d, ch); | |
76 | s += ulen; | |
77 | } | |
78 | else { /* No match -> copy */ | |
79 | Move(s, d, ulen, U8); | |
80 | d += ulen; | |
81 | s += ulen; | |
82 | } | |
83 | } | |
84 | if (grows) { | |
85 | sv_setpvn(sv, (char*)dstart, d - dstart); | |
86 | Safefree(dstart); | |
87 | } | |
88 | else { | |
89 | *d = '\0'; | |
90 | SvCUR_set(sv, d - dstart); | |
91 | } | |
92 | SvUTF8_on(sv); | |
93 | SvSETMAGIC(sv); | |
9b877dbb | 94 | } |
4757a243 LW |
95 | return matches; |
96 | } | |
97 | ||
942e002e | 98 | STATIC I32 |
c395bd6c | 99 | S_do_trans_count(pTHX_ SV * const sv) |
4757a243 | 100 | { |
4757a243 | 101 | STRLEN len; |
9138d6ca | 102 | const U8 *s = (const U8*)SvPV_nomg_const(sv, len); |
c395bd6c AL |
103 | const U8 * const send = s + len; |
104 | I32 matches = 0; | |
f54cb97a | 105 | const short * const tbl = (short*)cPVOP->op_pv; |
7918f24d NC |
106 | |
107 | PERL_ARGS_ASSERT_DO_TRANS_COUNT; | |
108 | ||
4757a243 | 109 | if (!tbl) |
7d85a32c | 110 | Perl_croak(aTHX_ "panic: do_trans_count line %d",__LINE__); |
4757a243 | 111 | |
c395bd6c | 112 | if (!SvUTF8(sv)) { |
1aa99e6b IH |
113 | while (s < send) { |
114 | if (tbl[*s++] >= 0) | |
036b4402 | 115 | matches++; |
1aa99e6b | 116 | } |
c395bd6c | 117 | } |
fabdb6c0 AL |
118 | else { |
119 | const I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT; | |
1aa99e6b | 120 | while (s < send) { |
1aa99e6b | 121 | STRLEN ulen; |
9f7f3913 | 122 | const UV c = utf8n_to_uvchr(s, send - s, &ulen, UTF8_ALLOW_DEFAULT); |
8973db79 JH |
123 | if (c < 0x100) { |
124 | if (tbl[c] >= 0) | |
125 | matches++; | |
126 | } else if (complement) | |
1aa99e6b IH |
127 | matches++; |
128 | s += ulen; | |
129 | } | |
fabdb6c0 | 130 | } |
4757a243 LW |
131 | |
132 | return matches; | |
133 | } | |
134 | ||
942e002e | 135 | STATIC I32 |
c395bd6c | 136 | S_do_trans_complex(pTHX_ SV * const sv) |
4757a243 | 137 | { |
c395bd6c | 138 | STRLEN len; |
9138d6ca | 139 | U8 *s = (U8*)SvPV_nomg(sv, len); |
c395bd6c | 140 | U8 * const send = s+len; |
4757a243 | 141 | I32 matches = 0; |
f54cb97a | 142 | const short * const tbl = (short*)cPVOP->op_pv; |
7918f24d NC |
143 | |
144 | PERL_ARGS_ASSERT_DO_TRANS_COMPLEX; | |
145 | ||
4757a243 | 146 | if (!tbl) |
7d85a32c | 147 | Perl_croak(aTHX_ "panic: do_trans_complex line %d",__LINE__); |
4757a243 | 148 | |
c395bd6c AL |
149 | if (!SvUTF8(sv)) { |
150 | U8 *d = s; | |
151 | U8 * const dstart = d; | |
4757a243 | 152 | |
1aa99e6b | 153 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
f54cb97a | 154 | const U8* p = send; |
1aa99e6b | 155 | while (s < send) { |
f54cb97a AL |
156 | const I32 ch = tbl[*s]; |
157 | if (ch >= 0) { | |
eb160463 | 158 | *d = (U8)ch; |
036b4402 | 159 | matches++; |
1aa99e6b IH |
160 | if (p != d - 1 || *p != *d) |
161 | p = d++; | |
162 | } | |
163 | else if (ch == -1) /* -1 is unmapped character */ | |
164 | *d++ = *s; | |
165 | else if (ch == -2) /* -2 is delete character */ | |
166 | matches++; | |
167 | s++; | |
168 | } | |
a0ed51b3 | 169 | } |
1aa99e6b IH |
170 | else { |
171 | while (s < send) { | |
f54cb97a AL |
172 | const I32 ch = tbl[*s]; |
173 | if (ch >= 0) { | |
1aa99e6b | 174 | matches++; |
eb160463 | 175 | *d++ = (U8)ch; |
1aa99e6b IH |
176 | } |
177 | else if (ch == -1) /* -1 is unmapped character */ | |
178 | *d++ = *s; | |
179 | else if (ch == -2) /* -2 is delete character */ | |
180 | matches++; | |
181 | s++; | |
182 | } | |
183 | } | |
76ef7183 | 184 | *d = '\0'; |
1aa99e6b | 185 | SvCUR_set(sv, d - dstart); |
4757a243 | 186 | } |
c395bd6c | 187 | else { /* is utf8 */ |
fabdb6c0 AL |
188 | const I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT; |
189 | const I32 grows = PL_op->op_private & OPpTRANS_GROWS; | |
190 | const I32 del = PL_op->op_private & OPpTRANS_DELETE; | |
c395bd6c AL |
191 | U8 *d; |
192 | U8 *dstart; | |
193 | STRLEN rlen = 0; | |
fabdb6c0 | 194 | |
9b877dbb | 195 | if (grows) |
a02a5408 | 196 | Newx(d, len*2+1, U8); |
9b877dbb IH |
197 | else |
198 | d = s; | |
1aa99e6b | 199 | dstart = d; |
8973db79 JH |
200 | if (complement && !del) |
201 | rlen = tbl[0x100]; | |
1aa99e6b IH |
202 | |
203 | if (PL_op->op_private & OPpTRANS_SQUASH) { | |
1aa99e6b IH |
204 | UV pch = 0xfeedface; |
205 | while (s < send) { | |
206 | STRLEN len; | |
9f7f3913 TS |
207 | const UV comp = utf8n_to_uvchr(s, send - s, &len, |
208 | UTF8_ALLOW_DEFAULT); | |
f54cb97a | 209 | I32 ch; |
1aa99e6b | 210 | |
8973db79 JH |
211 | if (comp > 0xff) { |
212 | if (!complement) { | |
640af7f1 | 213 | Move(s, d, len, U8); |
8973db79 JH |
214 | d += len; |
215 | } | |
216 | else { | |
217 | matches++; | |
218 | if (!del) { | |
bb7a0f54 | 219 | ch = (rlen == 0) ? (I32)comp : |
05d340b8 | 220 | (comp - 0x100 < rlen) ? |
8973db79 | 221 | tbl[comp+1] : tbl[0x100+rlen]; |
eb160463 | 222 | if ((UV)ch != pch) { |
9041c2e3 | 223 | d = uvchr_to_utf8(d, ch); |
eb160463 | 224 | pch = (UV)ch; |
8973db79 JH |
225 | } |
226 | s += len; | |
227 | continue; | |
228 | } | |
229 | } | |
9b877dbb | 230 | } |
1aa99e6b IH |
231 | else if ((ch = tbl[comp]) >= 0) { |
232 | matches++; | |
eb160463 | 233 | if ((UV)ch != pch) { |
9041c2e3 | 234 | d = uvchr_to_utf8(d, ch); |
eb160463 | 235 | pch = (UV)ch; |
1aa99e6b IH |
236 | } |
237 | s += len; | |
238 | continue; | |
239 | } | |
9b877dbb | 240 | else if (ch == -1) { /* -1 is unmapped character */ |
640af7f1 | 241 | Move(s, d, len, U8); |
9b877dbb IH |
242 | d += len; |
243 | } | |
1aa99e6b IH |
244 | else if (ch == -2) /* -2 is delete character */ |
245 | matches++; | |
246 | s += len; | |
247 | pch = 0xfeedface; | |
248 | } | |
5d06d08e | 249 | } |
1aa99e6b IH |
250 | else { |
251 | while (s < send) { | |
252 | STRLEN len; | |
9f7f3913 TS |
253 | const UV comp = utf8n_to_uvchr(s, send - s, &len, |
254 | UTF8_ALLOW_DEFAULT); | |
f54cb97a | 255 | I32 ch; |
8973db79 JH |
256 | if (comp > 0xff) { |
257 | if (!complement) { | |
0376ff32 | 258 | Move(s, d, len, U8); |
8973db79 JH |
259 | d += len; |
260 | } | |
261 | else { | |
262 | matches++; | |
263 | if (!del) { | |
9041c2e3 NIS |
264 | if (comp - 0x100 < rlen) |
265 | d = uvchr_to_utf8(d, tbl[comp+1]); | |
8973db79 | 266 | else |
9041c2e3 | 267 | d = uvchr_to_utf8(d, tbl[0x100+rlen]); |
8973db79 JH |
268 | } |
269 | } | |
9b877dbb | 270 | } |
1aa99e6b | 271 | else if ((ch = tbl[comp]) >= 0) { |
9041c2e3 | 272 | d = uvchr_to_utf8(d, ch); |
1aa99e6b IH |
273 | matches++; |
274 | } | |
275 | else if (ch == -1) { /* -1 is unmapped character */ | |
640af7f1 | 276 | Move(s, d, len, U8); |
9b877dbb | 277 | d += len; |
1aa99e6b IH |
278 | } |
279 | else if (ch == -2) /* -2 is delete character */ | |
280 | matches++; | |
281 | s += len; | |
282 | } | |
283 | } | |
9b877dbb IH |
284 | if (grows) { |
285 | sv_setpvn(sv, (char*)dstart, d - dstart); | |
286 | Safefree(dstart); | |
287 | } | |
288 | else { | |
289 | *d = '\0'; | |
290 | SvCUR_set(sv, d - dstart); | |
291 | } | |
1aa99e6b | 292 | SvUTF8_on(sv); |
4757a243 | 293 | } |
5e44153e | 294 | SvSETMAGIC(sv); |
4757a243 LW |
295 | return matches; |
296 | } | |
297 | ||
942e002e | 298 | STATIC I32 |
c395bd6c | 299 | S_do_trans_simple_utf8(pTHX_ SV * const sv) |
4757a243 | 300 | { |
4757a243 LW |
301 | U8 *s; |
302 | U8 *send; | |
303 | U8 *d; | |
036b4402 | 304 | U8 *start; |
1aa99e6b | 305 | U8 *dstart, *dend; |
4757a243 | 306 | I32 matches = 0; |
f54cb97a | 307 | const I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
4757a243 | 308 | STRLEN len; |
043e41b8 DM |
309 | SV* const rv = |
310 | #ifdef USE_ITHREADS | |
311 | PAD_SVl(cPADOP->op_padix); | |
312 | #else | |
ad64d0ec | 313 | MUTABLE_SV(cSVOP->op_sv); |
043e41b8 | 314 | #endif |
85fbaab2 | 315 | HV* const hv = MUTABLE_HV(SvRV(rv)); |
a4fc7abc | 316 | SV* const * svp = hv_fetchs(hv, "NONE", FALSE); |
f54cb97a AL |
317 | const UV none = svp ? SvUV(*svp) : 0x7fffffff; |
318 | const UV extra = none + 1; | |
b7953727 | 319 | UV final = 0; |
1aa99e6b | 320 | U8 hibit = 0; |
4757a243 | 321 | |
7918f24d NC |
322 | PERL_ARGS_ASSERT_DO_TRANS_SIMPLE_UTF8; |
323 | ||
9138d6ca | 324 | s = (U8*)SvPV_nomg(sv, len); |
c395bd6c | 325 | if (!SvUTF8(sv)) { |
40b85b80 KW |
326 | hibit = ! is_utf8_invariant_string(s, len); |
327 | if (hibit) { | |
328 | s = bytes_to_utf8(s, &len); | |
c4d5f83a | 329 | } |
1aa99e6b | 330 | } |
4757a243 | 331 | send = s + len; |
036b4402 | 332 | start = s; |
4757a243 | 333 | |
a4fc7abc | 334 | svp = hv_fetchs(hv, "FINAL", FALSE); |
4757a243 LW |
335 | if (svp) |
336 | final = SvUV(*svp); | |
337 | ||
9b877dbb IH |
338 | if (grows) { |
339 | /* d needs to be bigger than s, in case e.g. upgrading is required */ | |
a02a5408 | 340 | Newx(d, len * 3 + UTF8_MAXBYTES, U8); |
9b877dbb IH |
341 | dend = d + len * 3; |
342 | dstart = d; | |
343 | } | |
344 | else { | |
345 | dstart = d = s; | |
346 | dend = d + len; | |
347 | } | |
1aa99e6b | 348 | |
4757a243 | 349 | while (s < send) { |
0bcc34c2 AL |
350 | const UV uv = swash_fetch(rv, s, TRUE); |
351 | if (uv < none) { | |
4757a243 LW |
352 | s += UTF8SKIP(s); |
353 | matches++; | |
c80e42f3 | 354 | d = uvchr_to_utf8(d, uv); |
4757a243 LW |
355 | } |
356 | else if (uv == none) { | |
4373e329 | 357 | const int i = UTF8SKIP(s); |
0376ff32 | 358 | Move(s, d, i, U8); |
9b877dbb IH |
359 | d += i; |
360 | s += i; | |
4757a243 LW |
361 | } |
362 | else if (uv == extra) { | |
4373e329 | 363 | s += UTF8SKIP(s); |
4757a243 | 364 | matches++; |
c80e42f3 | 365 | d = uvchr_to_utf8(d, final); |
4757a243 LW |
366 | } |
367 | else | |
368 | s += UTF8SKIP(s); | |
1aa99e6b | 369 | |
9b877dbb | 370 | if (d > dend) { |
4373e329 AL |
371 | const STRLEN clen = d - dstart; |
372 | const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES; | |
9b877dbb | 373 | if (!grows) |
7d85a32c | 374 | Perl_croak(aTHX_ "panic: do_trans_simple_utf8 line %d",__LINE__); |
89ebb4a3 | 375 | Renew(dstart, nlen + UTF8_MAXBYTES, U8); |
1aa99e6b IH |
376 | d = dstart + clen; |
377 | dend = dstart + nlen; | |
378 | } | |
4757a243 | 379 | } |
16ec844d | 380 | if (grows || hibit) { |
9b877dbb IH |
381 | sv_setpvn(sv, (char*)dstart, d - dstart); |
382 | Safefree(dstart); | |
16ec844d IH |
383 | if (grows && hibit) |
384 | Safefree(start); | |
9b877dbb IH |
385 | } |
386 | else { | |
387 | *d = '\0'; | |
388 | SvCUR_set(sv, d - dstart); | |
389 | } | |
4757a243 | 390 | SvSETMAGIC(sv); |
1aa99e6b | 391 | SvUTF8_on(sv); |
4757a243 LW |
392 | |
393 | return matches; | |
394 | } | |
395 | ||
942e002e | 396 | STATIC I32 |
c395bd6c | 397 | S_do_trans_count_utf8(pTHX_ SV * const sv) |
4757a243 | 398 | { |
93524f2b | 399 | const U8 *s; |
cbbf8932 AL |
400 | const U8 *start = NULL; |
401 | const U8 *send; | |
4757a243 LW |
402 | I32 matches = 0; |
403 | STRLEN len; | |
043e41b8 DM |
404 | SV* const rv = |
405 | #ifdef USE_ITHREADS | |
406 | PAD_SVl(cPADOP->op_padix); | |
407 | #else | |
ad64d0ec | 408 | MUTABLE_SV(cSVOP->op_sv); |
043e41b8 | 409 | #endif |
85fbaab2 | 410 | HV* const hv = MUTABLE_HV(SvRV(rv)); |
a4fc7abc | 411 | SV* const * const svp = hv_fetchs(hv, "NONE", FALSE); |
f54cb97a AL |
412 | const UV none = svp ? SvUV(*svp) : 0x7fffffff; |
413 | const UV extra = none + 1; | |
1aa99e6b | 414 | U8 hibit = 0; |
4757a243 | 415 | |
7918f24d NC |
416 | PERL_ARGS_ASSERT_DO_TRANS_COUNT_UTF8; |
417 | ||
9138d6ca | 418 | s = (const U8*)SvPV_nomg_const(sv, len); |
1aa99e6b | 419 | if (!SvUTF8(sv)) { |
40b85b80 KW |
420 | hibit = ! is_utf8_invariant_string(s, len); |
421 | if (hibit) { | |
422 | start = s = bytes_to_utf8(s, &len); | |
c4d5f83a | 423 | } |
1aa99e6b | 424 | } |
4757a243 LW |
425 | send = s + len; |
426 | ||
427 | while (s < send) { | |
c4420975 AL |
428 | const UV uv = swash_fetch(rv, s, TRUE); |
429 | if (uv < none || uv == extra) | |
4757a243 | 430 | matches++; |
834a4ddd | 431 | s += UTF8SKIP(s); |
4757a243 | 432 | } |
1aa99e6b IH |
433 | if (hibit) |
434 | Safefree(start); | |
4757a243 LW |
435 | |
436 | return matches; | |
437 | } | |
438 | ||
942e002e | 439 | STATIC I32 |
c395bd6c | 440 | S_do_trans_complex_utf8(pTHX_ SV * const sv) |
4757a243 | 441 | { |
1aa99e6b | 442 | U8 *start, *send; |
4757a243 LW |
443 | U8 *d; |
444 | I32 matches = 0; | |
4373e329 AL |
445 | const I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
446 | const I32 del = PL_op->op_private & OPpTRANS_DELETE; | |
447 | const I32 grows = PL_op->op_private & OPpTRANS_GROWS; | |
043e41b8 DM |
448 | SV* const rv = |
449 | #ifdef USE_ITHREADS | |
450 | PAD_SVl(cPADOP->op_padix); | |
451 | #else | |
ad64d0ec | 452 | MUTABLE_SV(cSVOP->op_sv); |
043e41b8 | 453 | #endif |
85fbaab2 | 454 | HV * const hv = MUTABLE_HV(SvRV(rv)); |
a4fc7abc | 455 | SV * const *svp = hv_fetchs(hv, "NONE", FALSE); |
f54cb97a AL |
456 | const UV none = svp ? SvUV(*svp) : 0x7fffffff; |
457 | const UV extra = none + 1; | |
b7953727 | 458 | UV final = 0; |
45005bfb | 459 | bool havefinal = FALSE; |
4757a243 | 460 | STRLEN len; |
1aa99e6b | 461 | U8 *dstart, *dend; |
1aa99e6b | 462 | U8 hibit = 0; |
9138d6ca | 463 | U8 *s = (U8*)SvPV_nomg(sv, len); |
7918f24d NC |
464 | |
465 | PERL_ARGS_ASSERT_DO_TRANS_COMPLEX_UTF8; | |
466 | ||
c395bd6c | 467 | if (!SvUTF8(sv)) { |
40b85b80 KW |
468 | hibit = ! is_utf8_invariant_string(s, len); |
469 | if (hibit) { | |
470 | s = bytes_to_utf8(s, &len); | |
c4d5f83a | 471 | } |
1aa99e6b | 472 | } |
4757a243 | 473 | send = s + len; |
1aa99e6b | 474 | start = s; |
4757a243 | 475 | |
a4fc7abc | 476 | svp = hv_fetchs(hv, "FINAL", FALSE); |
45005bfb | 477 | if (svp) { |
4757a243 | 478 | final = SvUV(*svp); |
45005bfb JH |
479 | havefinal = TRUE; |
480 | } | |
4757a243 | 481 | |
9b877dbb IH |
482 | if (grows) { |
483 | /* d needs to be bigger than s, in case e.g. upgrading is required */ | |
a02a5408 | 484 | Newx(d, len * 3 + UTF8_MAXBYTES, U8); |
9b877dbb IH |
485 | dend = d + len * 3; |
486 | dstart = d; | |
487 | } | |
488 | else { | |
489 | dstart = d = s; | |
490 | dend = d + len; | |
491 | } | |
4757a243 LW |
492 | |
493 | if (squash) { | |
494 | UV puv = 0xfeedface; | |
495 | while (s < send) { | |
f54cb97a | 496 | UV uv = swash_fetch(rv, s, TRUE); |
9041c2e3 | 497 | |
9b877dbb | 498 | if (d > dend) { |
4373e329 AL |
499 | const STRLEN clen = d - dstart; |
500 | const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES; | |
9b877dbb | 501 | if (!grows) |
7d85a32c | 502 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__); |
89ebb4a3 | 503 | Renew(dstart, nlen + UTF8_MAXBYTES, U8); |
1aa99e6b IH |
504 | d = dstart + clen; |
505 | dend = dstart + nlen; | |
4757a243 LW |
506 | } |
507 | if (uv < none) { | |
508 | matches++; | |
94472101 | 509 | s += UTF8SKIP(s); |
4757a243 | 510 | if (uv != puv) { |
c80e42f3 | 511 | d = uvchr_to_utf8(d, uv); |
4757a243 LW |
512 | puv = uv; |
513 | } | |
4757a243 LW |
514 | continue; |
515 | } | |
516 | else if (uv == none) { /* "none" is unmapped character */ | |
4373e329 | 517 | const int i = UTF8SKIP(s); |
0376ff32 | 518 | Move(s, d, i, U8); |
9b877dbb IH |
519 | d += i; |
520 | s += i; | |
4757a243 LW |
521 | puv = 0xfeedface; |
522 | continue; | |
a0ed51b3 | 523 | } |
4757a243 LW |
524 | else if (uv == extra && !del) { |
525 | matches++; | |
45005bfb JH |
526 | if (havefinal) { |
527 | s += UTF8SKIP(s); | |
528 | if (puv != final) { | |
c80e42f3 | 529 | d = uvchr_to_utf8(d, final); |
45005bfb JH |
530 | puv = final; |
531 | } | |
532 | } | |
533 | else { | |
534 | STRLEN len; | |
c80e42f3 | 535 | uv = utf8n_to_uvchr(s, send - s, &len, UTF8_ALLOW_DEFAULT); |
45005bfb | 536 | if (uv != puv) { |
0376ff32 | 537 | Move(s, d, len, U8); |
45005bfb JH |
538 | d += len; |
539 | puv = uv; | |
540 | } | |
541 | s += len; | |
4757a243 | 542 | } |
4757a243 LW |
543 | continue; |
544 | } | |
01ec43d0 GS |
545 | matches++; /* "none+1" is delete character */ |
546 | s += UTF8SKIP(s); | |
a0ed51b3 | 547 | } |
79072805 LW |
548 | } |
549 | else { | |
4757a243 | 550 | while (s < send) { |
f54cb97a | 551 | const UV uv = swash_fetch(rv, s, TRUE); |
9b877dbb | 552 | if (d > dend) { |
f54cb97a AL |
553 | const STRLEN clen = d - dstart; |
554 | const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES; | |
9b877dbb | 555 | if (!grows) |
7d85a32c | 556 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__); |
89ebb4a3 | 557 | Renew(dstart, nlen + UTF8_MAXBYTES, U8); |
1aa99e6b IH |
558 | d = dstart + clen; |
559 | dend = dstart + nlen; | |
a0ed51b3 | 560 | } |
4757a243 LW |
561 | if (uv < none) { |
562 | matches++; | |
01ec43d0 | 563 | s += UTF8SKIP(s); |
c80e42f3 | 564 | d = uvchr_to_utf8(d, uv); |
4757a243 | 565 | continue; |
a0ed51b3 | 566 | } |
4757a243 | 567 | else if (uv == none) { /* "none" is unmapped character */ |
f54cb97a | 568 | const int i = UTF8SKIP(s); |
0376ff32 | 569 | Move(s, d, i, U8); |
9b877dbb IH |
570 | d += i; |
571 | s += i; | |
4757a243 | 572 | continue; |
79072805 | 573 | } |
4757a243 LW |
574 | else if (uv == extra && !del) { |
575 | matches++; | |
01ec43d0 | 576 | s += UTF8SKIP(s); |
c80e42f3 | 577 | d = uvchr_to_utf8(d, final); |
4757a243 LW |
578 | continue; |
579 | } | |
01ec43d0 GS |
580 | matches++; /* "none+1" is delete character */ |
581 | s += UTF8SKIP(s); | |
79072805 | 582 | } |
4757a243 | 583 | } |
16ec844d | 584 | if (grows || hibit) { |
9b877dbb IH |
585 | sv_setpvn(sv, (char*)dstart, d - dstart); |
586 | Safefree(dstart); | |
16ec844d IH |
587 | if (grows && hibit) |
588 | Safefree(start); | |
9b877dbb IH |
589 | } |
590 | else { | |
591 | *d = '\0'; | |
592 | SvCUR_set(sv, d - dstart); | |
593 | } | |
1aa99e6b | 594 | SvUTF8_on(sv); |
4757a243 LW |
595 | SvSETMAGIC(sv); |
596 | ||
597 | return matches; | |
598 | } | |
599 | ||
600 | I32 | |
864dbfa3 | 601 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 LW |
602 | { |
603 | STRLEN len; | |
a53bfdae HS |
604 | const I32 flags = PL_op->op_private; |
605 | const I32 hasutf = flags & (OPpTRANS_FROM_UTF | OPpTRANS_TO_UTF); | |
4757a243 | 606 | |
7918f24d NC |
607 | PERL_ARGS_ASSERT_DO_TRANS; |
608 | ||
a53bfdae HS |
609 | if (SvREADONLY(sv) && !(flags & OPpTRANS_IDENTICAL)) { |
610 | Perl_croak_no_modify(); | |
2233f375 | 611 | } |
10516c54 | 612 | (void)SvPV_const(sv, len); |
4757a243 LW |
613 | if (!len) |
614 | return 0; | |
a53bfdae | 615 | if (!(flags & OPpTRANS_IDENTICAL)) { |
4499db73 | 616 | if (!SvPOKp(sv) || SvTHINKFIRST(sv)) |
b4cc4d79 | 617 | (void)SvPV_force_nomg(sv, len); |
2de7b02f | 618 | (void)SvPOK_only_UTF8(sv); |
d59e14db | 619 | } |
4757a243 | 620 | |
cea2e8a9 | 621 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 | 622 | |
a53bfdae HS |
623 | /* If we use only OPpTRANS_IDENTICAL to bypass the READONLY check, |
624 | * we must also rely on it to choose the readonly strategy. | |
625 | */ | |
626 | if (flags & OPpTRANS_IDENTICAL) { | |
627 | return hasutf ? do_trans_count_utf8(sv) : do_trans_count(sv); | |
628 | } else if (flags & (OPpTRANS_SQUASH|OPpTRANS_DELETE|OPpTRANS_COMPLEMENT)) { | |
629 | return hasutf ? do_trans_complex_utf8(sv) : do_trans_complex(sv); | |
630 | } else { | |
631 | return hasutf ? do_trans_simple_utf8(sv) : do_trans_simple(sv); | |
79072805 | 632 | } |
79072805 LW |
633 | } |
634 | ||
635 | void | |
5aaab254 | 636 | Perl_do_join(pTHX_ SV *sv, SV *delim, SV **mark, SV **sp) |
79072805 | 637 | { |
53c1dcc0 | 638 | SV ** const oldmark = mark; |
eb578fdb KW |
639 | I32 items = sp - mark; |
640 | STRLEN len; | |
463ee0b2 | 641 | STRLEN delimlen; |
810a07df | 642 | const char * const delims = SvPV_const(delim, delimlen); |
79072805 | 643 | |
7918f24d NC |
644 | PERL_ARGS_ASSERT_DO_JOIN; |
645 | ||
79072805 LW |
646 | mark++; |
647 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); | |
862a34c6 | 648 | SvUPGRADE(sv, SVt_PV); |
79072805 LW |
649 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
650 | while (items-- > 0) { | |
1426bbf4 | 651 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
f54cb97a | 652 | STRLEN tmplen; |
5c144d81 | 653 | SvPV_const(*mark, tmplen); |
463ee0b2 | 654 | len += tmplen; |
79072805 LW |
655 | } |
656 | mark++; | |
657 | } | |
658 | SvGROW(sv, len + 1); /* so try to pre-extend */ | |
659 | ||
660 | mark = oldmark; | |
db7c17d7 | 661 | items = sp - mark; |
79072805 LW |
662 | ++mark; |
663 | } | |
664 | ||
f607343f | 665 | SvPVCLEAR(sv); |
e4803c42 | 666 | /* sv_setpv retains old UTF8ness [perl #24846] */ |
fb622db0 | 667 | SvUTF8_off(sv); |
e4803c42 | 668 | |
284167a5 | 669 | if (TAINTING_get && SvMAGICAL(sv)) |
8d6d96c1 HS |
670 | SvTAINTED_off(sv); |
671 | ||
463ee0b2 | 672 | if (items-- > 0) { |
92d29cee JH |
673 | if (*mark) |
674 | sv_catsv(sv, *mark); | |
463ee0b2 LW |
675 | mark++; |
676 | } | |
8d6d96c1 | 677 | |
c512ce4f | 678 | if (delimlen) { |
810a07df | 679 | const U32 delimflag = DO_UTF8(delim) ? SV_CATUTF8 : SV_CATBYTES; |
79072805 | 680 | for (; items > 0; items--,mark++) { |
f0ee3863 FC |
681 | STRLEN len; |
682 | const char *s; | |
810a07df | 683 | sv_catpvn_flags(sv,delims,delimlen,delimflag); |
f0ee3863 FC |
684 | s = SvPV_const(*mark,len); |
685 | sv_catpvn_flags(sv,s,len, | |
686 | DO_UTF8(*mark) ? SV_CATUTF8 : SV_CATBYTES); | |
79072805 LW |
687 | } |
688 | } | |
689 | else { | |
690 | for (; items > 0; items--,mark++) | |
f0ee3863 FC |
691 | { |
692 | STRLEN len; | |
693 | const char *s = SvPV_const(*mark,len); | |
694 | sv_catpvn_flags(sv,s,len, | |
695 | DO_UTF8(*mark) ? SV_CATUTF8 : SV_CATBYTES); | |
696 | } | |
79072805 LW |
697 | } |
698 | SvSETMAGIC(sv); | |
699 | } | |
700 | ||
701 | void | |
03a22d83 | 702 | Perl_do_sprintf(pTHX_ SV *sv, SSize_t len, SV **sarg) |
79072805 | 703 | { |
46fc3d4c | 704 | STRLEN patlen; |
53c1dcc0 | 705 | const char * const pat = SvPV_const(*sarg, patlen); |
46fc3d4c | 706 | bool do_taint = FALSE; |
707 | ||
7918f24d | 708 | PERL_ARGS_ASSERT_DO_SPRINTF; |
03a22d83 | 709 | assert(len >= 1); |
7918f24d | 710 | |
e06d98fb DM |
711 | if (SvTAINTED(*sarg)) |
712 | TAINT_PROPER( | |
713 | (PL_op && PL_op->op_type < OP_max) | |
714 | ? (PL_op->op_type == OP_PRTF) | |
715 | ? "printf" | |
716 | : PL_op_name[PL_op->op_type] | |
717 | : "(unknown)" | |
718 | ); | |
5b781b5b | 719 | SvUTF8_off(sv); |
2cf2cfc6 A |
720 | if (DO_UTF8(*sarg)) |
721 | SvUTF8_on(sv); | |
03a22d83 | 722 | sv_vsetpvfn(sv, pat, patlen, NULL, sarg + 1, (Size_t)(len - 1), &do_taint); |
79072805 | 723 | SvSETMAGIC(sv); |
46fc3d4c | 724 | if (do_taint) |
725 | SvTAINTED_on(sv); | |
79072805 LW |
726 | } |
727 | ||
33b45480 | 728 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 | 729 | UV |
d69c4304 | 730 | Perl_do_vecget(pTHX_ SV *sv, STRLEN offset, int size) |
81e118e0 | 731 | { |
67dd6f35 | 732 | STRLEN srclen, len, avail, uoffset, bitoffs = 0; |
fc9668ae DM |
733 | const I32 svpv_flags = ((PL_op->op_flags & OPf_MOD || LVRET) |
734 | ? SV_UNDEF_RETURNS_NULL : 0); | |
735 | unsigned char *s = (unsigned char *) | |
736 | SvPV_flags(sv, srclen, (svpv_flags|SV_GMAGIC)); | |
81e118e0 JH |
737 | UV retnum = 0; |
738 | ||
032061d2 | 739 | if (!s) { |
fc9668ae | 740 | s = (unsigned char *)""; |
032061d2 BF |
741 | } |
742 | ||
7918f24d NC |
743 | PERL_ARGS_ASSERT_DO_VECGET; |
744 | ||
8e84507e | 745 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 746 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
246fae53 | 747 | |
fc9668ae | 748 | if (SvUTF8(sv)) { |
315f3fc1 KW |
749 | if (Perl_sv_utf8_downgrade(aTHX_ sv, TRUE)) { |
750 | /* PVX may have changed */ | |
751 | s = (unsigned char *) SvPV_flags(sv, srclen, svpv_flags); | |
752 | } | |
753 | else { | |
754 | Perl_ck_warner_d(aTHX_ packWARN(WARN_DEPRECATED), | |
755 | "Use of strings with code points over 0xFF as" | |
756 | " arguments to vec is deprecated. This will" | |
757 | " be a fatal error in Perl 5.32"); | |
758 | } | |
fc9668ae | 759 | } |
246fae53 | 760 | |
bbb8a7e0 MHM |
761 | if (size < 8) { |
762 | bitoffs = ((offset%8)*size)%8; | |
763 | uoffset = offset/(8/size); | |
764 | } | |
67dd6f35 DM |
765 | else if (size > 8) { |
766 | int n = size/8; | |
767 | if (offset > Size_t_MAX / n - 1) /* would overflow */ | |
768 | return 0; | |
769 | uoffset = offset*n; | |
770 | } | |
bbb8a7e0 MHM |
771 | else |
772 | uoffset = offset; | |
773 | ||
67dd6f35 DM |
774 | if (uoffset >= srclen) |
775 | return 0; | |
776 | ||
777 | len = (bitoffs + size + 7)/8; /* required number of bytes */ | |
778 | avail = srclen - uoffset; /* available number of bytes */ | |
779 | ||
780 | /* Does the byte range overlap the end of the string? If so, | |
781 | * handle specially. */ | |
782 | if (avail < len) { | |
81e118e0 JH |
783 | if (size <= 8) |
784 | retnum = 0; | |
785 | else { | |
81e118e0 | 786 | if (size == 16) { |
67dd6f35 DM |
787 | assert(avail == 1); |
788 | retnum = (UV) s[uoffset] << 8; | |
81e118e0 JH |
789 | } |
790 | else if (size == 32) { | |
67dd6f35 DM |
791 | assert(avail >= 1 && avail <= 3); |
792 | if (avail == 1) | |
81e118e0 | 793 | retnum = |
bb7a0f54 | 794 | ((UV) s[uoffset ] << 24); |
67dd6f35 | 795 | else if (avail == 2) |
81e118e0 | 796 | retnum = |
bb7a0f54 MHM |
797 | ((UV) s[uoffset ] << 24) + |
798 | ((UV) s[uoffset + 1] << 16); | |
81e118e0 JH |
799 | else |
800 | retnum = | |
bb7a0f54 MHM |
801 | ((UV) s[uoffset ] << 24) + |
802 | ((UV) s[uoffset + 1] << 16) + | |
803 | ( s[uoffset + 2] << 8); | |
81e118e0 | 804 | } |
d7d93a81 | 805 | #ifdef UV_IS_QUAD |
c5a0f51a | 806 | else if (size == 64) { |
a2a5de95 NC |
807 | Perl_ck_warner(aTHX_ packWARN(WARN_PORTABLE), |
808 | "Bit vector size > 32 non-portable"); | |
67dd6f35 DM |
809 | assert(avail >= 1 && avail <= 7); |
810 | if (avail == 1) | |
c5a0f51a | 811 | retnum = |
bb7a0f54 | 812 | (UV) s[uoffset ] << 56; |
67dd6f35 | 813 | else if (avail == 2) |
c5a0f51a | 814 | retnum = |
bb7a0f54 MHM |
815 | ((UV) s[uoffset ] << 56) + |
816 | ((UV) s[uoffset + 1] << 48); | |
67dd6f35 | 817 | else if (avail == 3) |
c5a0f51a | 818 | retnum = |
bb7a0f54 MHM |
819 | ((UV) s[uoffset ] << 56) + |
820 | ((UV) s[uoffset + 1] << 48) + | |
821 | ((UV) s[uoffset + 2] << 40); | |
67dd6f35 | 822 | else if (avail == 4) |
c5a0f51a | 823 | retnum = |
bb7a0f54 MHM |
824 | ((UV) s[uoffset ] << 56) + |
825 | ((UV) s[uoffset + 1] << 48) + | |
826 | ((UV) s[uoffset + 2] << 40) + | |
827 | ((UV) s[uoffset + 3] << 32); | |
67dd6f35 | 828 | else if (avail == 5) |
c5a0f51a | 829 | retnum = |
bb7a0f54 MHM |
830 | ((UV) s[uoffset ] << 56) + |
831 | ((UV) s[uoffset + 1] << 48) + | |
832 | ((UV) s[uoffset + 2] << 40) + | |
833 | ((UV) s[uoffset + 3] << 32) + | |
e7aca353 | 834 | ((UV) s[uoffset + 4] << 24); |
67dd6f35 | 835 | else if (avail == 6) |
c5a0f51a | 836 | retnum = |
bb7a0f54 MHM |
837 | ((UV) s[uoffset ] << 56) + |
838 | ((UV) s[uoffset + 1] << 48) + | |
839 | ((UV) s[uoffset + 2] << 40) + | |
840 | ((UV) s[uoffset + 3] << 32) + | |
841 | ((UV) s[uoffset + 4] << 24) + | |
842 | ((UV) s[uoffset + 5] << 16); | |
c5a0f51a | 843 | else |
8e84507e | 844 | retnum = |
bb7a0f54 MHM |
845 | ((UV) s[uoffset ] << 56) + |
846 | ((UV) s[uoffset + 1] << 48) + | |
847 | ((UV) s[uoffset + 2] << 40) + | |
848 | ((UV) s[uoffset + 3] << 32) + | |
849 | ((UV) s[uoffset + 4] << 24) + | |
850 | ((UV) s[uoffset + 5] << 16) + | |
e7aca353 | 851 | ((UV) s[uoffset + 6] << 8); |
c5a0f51a JH |
852 | } |
853 | #endif | |
81e118e0 JH |
854 | } |
855 | } | |
856 | else if (size < 8) | |
bbb8a7e0 | 857 | retnum = (s[uoffset] >> bitoffs) & ((1 << size) - 1); |
81e118e0 | 858 | else { |
81e118e0 | 859 | if (size == 8) |
bb7a0f54 | 860 | retnum = s[uoffset]; |
81e118e0 JH |
861 | else if (size == 16) |
862 | retnum = | |
bb7a0f54 MHM |
863 | ((UV) s[uoffset] << 8) + |
864 | s[uoffset + 1]; | |
81e118e0 JH |
865 | else if (size == 32) |
866 | retnum = | |
bb7a0f54 MHM |
867 | ((UV) s[uoffset ] << 24) + |
868 | ((UV) s[uoffset + 1] << 16) + | |
869 | ( s[uoffset + 2] << 8) + | |
870 | s[uoffset + 3]; | |
d7d93a81 | 871 | #ifdef UV_IS_QUAD |
c5a0f51a | 872 | else if (size == 64) { |
a2a5de95 NC |
873 | Perl_ck_warner(aTHX_ packWARN(WARN_PORTABLE), |
874 | "Bit vector size > 32 non-portable"); | |
c5a0f51a | 875 | retnum = |
bb7a0f54 MHM |
876 | ((UV) s[uoffset ] << 56) + |
877 | ((UV) s[uoffset + 1] << 48) + | |
878 | ((UV) s[uoffset + 2] << 40) + | |
879 | ((UV) s[uoffset + 3] << 32) + | |
880 | ((UV) s[uoffset + 4] << 24) + | |
881 | ((UV) s[uoffset + 5] << 16) + | |
882 | ( s[uoffset + 6] << 8) + | |
883 | s[uoffset + 7]; | |
c5a0f51a JH |
884 | } |
885 | #endif | |
81e118e0 JH |
886 | } |
887 | ||
888 | return retnum; | |
889 | } | |
890 | ||
33b45480 SB |
891 | /* currently converts input to bytes if possible but doesn't sweat failures, |
892 | * although it does ensure that the string it clobbers is not marked as | |
893 | * utf8-valid any more | |
894 | */ | |
79072805 | 895 | void |
864dbfa3 | 896 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 | 897 | { |
67dd6f35 | 898 | STRLEN offset, bitoffs = 0; |
eb578fdb KW |
899 | int size; |
900 | unsigned char *s; | |
901 | UV lval; | |
79072805 | 902 | I32 mask; |
a0d0e21e LW |
903 | STRLEN targlen; |
904 | STRLEN len; | |
c4420975 | 905 | SV * const targ = LvTARG(sv); |
1b92e694 | 906 | char errflags = LvFLAGS(sv); |
79072805 | 907 | |
7918f24d NC |
908 | PERL_ARGS_ASSERT_DO_VECSET; |
909 | ||
1b92e694 DM |
910 | /* some out-of-range errors have been deferred if/until the LV is |
911 | * actually written to: f(vec($s,-1,8)) is not always fatal */ | |
912 | if (errflags) { | |
b063b0a8 DIM |
913 | assert(!(errflags & ~(LVf_NEG_OFF|LVf_OUT_OF_RANGE))); |
914 | if (errflags & LVf_NEG_OFF) | |
1b92e694 DM |
915 | Perl_croak_nocontext("Negative offset to vec in lvalue context"); |
916 | Perl_croak_nocontext("Out of memory!"); | |
917 | } | |
918 | ||
8990e307 LW |
919 | if (!targ) |
920 | return; | |
032061d2 BF |
921 | s = (unsigned char*)SvPV_force_flags(targ, targlen, |
922 | SV_GMAGIC | SV_UNDEF_RETURNS_NULL); | |
246fae53 | 923 | if (SvUTF8(targ)) { |
33b45480 SB |
924 | /* This is handled by the SvPOK_only below... |
925 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) | |
926 | SvUTF8_off(targ); | |
927 | */ | |
928 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); | |
246fae53 MG |
929 | } |
930 | ||
4ebbc975 | 931 | (void)SvPOK_only(targ); |
81e118e0 | 932 | lval = SvUV(sv); |
79072805 LW |
933 | offset = LvTARGOFF(sv); |
934 | size = LvTARGLEN(sv); | |
67dd6f35 | 935 | |
8e84507e | 936 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 937 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
8e84507e | 938 | |
bbb8a7e0 MHM |
939 | if (size < 8) { |
940 | bitoffs = ((offset%8)*size)%8; | |
941 | offset /= 8/size; | |
942 | } | |
67dd6f35 DM |
943 | else if (size > 8) { |
944 | int n = size/8; | |
945 | if (offset > Size_t_MAX / n - 1) /* would overflow */ | |
946 | Perl_croak_nocontext("Out of memory!"); | |
947 | offset *= n; | |
948 | } | |
bbb8a7e0 | 949 | |
67dd6f35 DM |
950 | len = (bitoffs + size + 7)/8; /* required number of bytes */ |
951 | if (targlen < offset || targlen - offset < len) { | |
952 | STRLEN newlen = offset > Size_t_MAX - len - 1 ? /* avoid overflow */ | |
953 | Size_t_MAX : offset + len + 1; | |
954 | s = (unsigned char*)SvGROW(targ, newlen); | |
955 | (void)memzero((char *)(s + targlen), newlen - targlen); | |
956 | SvCUR_set(targ, newlen - 1); | |
a0d0e21e | 957 | } |
8e84507e | 958 | |
79072805 LW |
959 | if (size < 8) { |
960 | mask = (1 << size) - 1; | |
79072805 | 961 | lval &= mask; |
bbb8a7e0 MHM |
962 | s[offset] &= ~(mask << bitoffs); |
963 | s[offset] |= lval << bitoffs; | |
79072805 LW |
964 | } |
965 | else { | |
966 | if (size == 8) | |
eb160463 | 967 | s[offset ] = (U8)( lval & 0xff); |
79072805 | 968 | else if (size == 16) { |
eb160463 GS |
969 | s[offset ] = (U8)((lval >> 8) & 0xff); |
970 | s[offset+1] = (U8)( lval & 0xff); | |
79072805 LW |
971 | } |
972 | else if (size == 32) { | |
eb160463 GS |
973 | s[offset ] = (U8)((lval >> 24) & 0xff); |
974 | s[offset+1] = (U8)((lval >> 16) & 0xff); | |
975 | s[offset+2] = (U8)((lval >> 8) & 0xff); | |
976 | s[offset+3] = (U8)( lval & 0xff); | |
c5a0f51a | 977 | } |
d7d93a81 | 978 | #ifdef UV_IS_QUAD |
c5a0f51a | 979 | else if (size == 64) { |
a2a5de95 NC |
980 | Perl_ck_warner(aTHX_ packWARN(WARN_PORTABLE), |
981 | "Bit vector size > 32 non-portable"); | |
eb160463 GS |
982 | s[offset ] = (U8)((lval >> 56) & 0xff); |
983 | s[offset+1] = (U8)((lval >> 48) & 0xff); | |
984 | s[offset+2] = (U8)((lval >> 40) & 0xff); | |
985 | s[offset+3] = (U8)((lval >> 32) & 0xff); | |
986 | s[offset+4] = (U8)((lval >> 24) & 0xff); | |
987 | s[offset+5] = (U8)((lval >> 16) & 0xff); | |
988 | s[offset+6] = (U8)((lval >> 8) & 0xff); | |
989 | s[offset+7] = (U8)( lval & 0xff); | |
79072805 | 990 | } |
dc1e3f56 | 991 | #endif |
79072805 | 992 | } |
7bb043c3 | 993 | SvSETMAGIC(targ); |
79072805 LW |
994 | } |
995 | ||
996 | void | |
864dbfa3 | 997 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 LW |
998 | { |
999 | #ifdef LIBERAL | |
eb578fdb KW |
1000 | long *dl; |
1001 | long *ll; | |
1002 | long *rl; | |
79072805 | 1003 | #endif |
eb578fdb | 1004 | char *dc; |
463ee0b2 LW |
1005 | STRLEN leftlen; |
1006 | STRLEN rightlen; | |
eb578fdb KW |
1007 | const char *lc; |
1008 | const char *rc; | |
1009 | STRLEN len; | |
bb7a0f54 | 1010 | STRLEN lensave; |
e62f0680 NC |
1011 | const char *lsave; |
1012 | const char *rsave; | |
bb7a0f54 | 1013 | STRLEN needlen = 0; |
08b6664b | 1014 | bool result_needs_to_be_utf8 = FALSE; |
b50535da KW |
1015 | bool left_utf8 = FALSE; |
1016 | bool right_utf8 = FALSE; | |
1017 | U8 * left_non_downgraded = NULL; | |
1018 | U8 * right_non_downgraded = NULL; | |
1019 | Size_t left_non_downgraded_len = 0; | |
1020 | Size_t right_non_downgraded_len = 0; | |
1021 | char * non_downgraded = NULL; | |
1022 | Size_t non_downgraded_len = 0; | |
0c57e439 | 1023 | |
7918f24d | 1024 | PERL_ARGS_ASSERT_DO_VOP; |
79072805 | 1025 | |
6b349a5c | 1026 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv))) |
f607343f | 1027 | SvPVCLEAR(sv); /* avoid undef warning on |= and ^= */ |
8c8eee82 | 1028 | if (sv == left) { |
08b6664b | 1029 | lc = SvPV_force_nomg(left, leftlen); |
8c8eee82 BM |
1030 | } |
1031 | else { | |
08b6664b | 1032 | lc = SvPV_nomg_const(left, leftlen); |
8c8eee82 BM |
1033 | SvPV_force_nomg_nolen(sv); |
1034 | } | |
08b6664b | 1035 | rc = SvPV_nomg_const(right, rightlen); |
12abf4f0 | 1036 | |
0e6e7171 | 1037 | /* This needs to come after SvPV to ensure that string overloading has |
12abf4f0 NC |
1038 | fired off. */ |
1039 | ||
08b6664b KW |
1040 | /* Create downgraded temporaries of any UTF-8 encoded operands */ |
1041 | if (DO_UTF8(left)) { | |
b50535da | 1042 | const U8 * save_lc = (U8 *) lc; |
08b6664b | 1043 | |
b50535da | 1044 | left_utf8 = TRUE; |
08b6664b KW |
1045 | result_needs_to_be_utf8 = TRUE; |
1046 | ||
b50535da KW |
1047 | left_non_downgraded_len = leftlen; |
1048 | lc = (char *) bytes_from_utf8_loc((const U8 *) lc, &leftlen, | |
1049 | &left_utf8, | |
1050 | (const U8 **) &left_non_downgraded); | |
1051 | /* Calculate the number of trailing unconvertible bytes. This quantity | |
1052 | * is the original length minus the length of the converted portion. */ | |
1053 | left_non_downgraded_len -= left_non_downgraded - save_lc; | |
1054 | SAVEFREEPV(lc); | |
12abf4f0 | 1055 | } |
08b6664b | 1056 | if (DO_UTF8(right)) { |
b50535da | 1057 | const U8 * save_rc = (U8 *) rc; |
08b6664b | 1058 | |
b50535da | 1059 | right_utf8 = TRUE; |
08b6664b KW |
1060 | result_needs_to_be_utf8 = TRUE; |
1061 | ||
b50535da KW |
1062 | right_non_downgraded_len = rightlen; |
1063 | rc = (char *) bytes_from_utf8_loc((const U8 *) rc, &rightlen, | |
1064 | &right_utf8, | |
1065 | (const U8 **) &right_non_downgraded); | |
1066 | right_non_downgraded_len -= right_non_downgraded - save_rc; | |
1067 | SAVEFREEPV(rc); | |
1068 | } | |
1069 | ||
1070 | /* We set 'len' to the length that the operation actually operates on. The | |
1071 | * dangling part of the longer operand doesn't actually participate in the | |
1072 | * operation. What happens is that we pretend that the shorter operand has | |
1073 | * been extended to the right by enough imaginary zeros to match the length | |
1074 | * of the longer one. But we know in advance the result of the operation | |
1075 | * on zeros without having to do it. In the case of '&', the result is | |
1076 | * zero, and the dangling portion is simply discarded. For '|' and '^', the | |
1077 | * result is the same as the other operand, so the dangling part is just | |
1078 | * appended to the final result, unchanged. We currently accept above-FF | |
1079 | * code points in the dangling portion, as that's how it has long worked, | |
1080 | * and code depends on it staying that way. But it is now fatal for | |
1081 | * above-FF to appear in the portion that does get operated on. Hence, any | |
1082 | * above-FF must come only in the longer operand, and only in its dangling | |
1083 | * portion. That means that at least one of the operands has to be | |
1084 | * entirely non-UTF-8, and the length of that operand has to be before the | |
1085 | * first above-FF in the other */ | |
1086 | if (left_utf8) { | |
1087 | if (right_utf8 || rightlen > leftlen) { | |
08b6664b KW |
1088 | Perl_croak(aTHX_ fatal_above_ff_msg, PL_op_desc[optype]); |
1089 | } | |
b50535da KW |
1090 | len = rightlen; |
1091 | } | |
1092 | else if (right_utf8) { | |
1093 | if (leftlen > rightlen) { | |
1094 | Perl_croak(aTHX_ fatal_above_ff_msg, PL_op_desc[optype]); | |
1095 | } | |
1096 | len = leftlen; | |
1097 | } | |
1098 | else { /* Neither is UTF-8 */ | |
1099 | len = leftlen < rightlen ? leftlen : rightlen; | |
12abf4f0 NC |
1100 | } |
1101 | ||
b50535da | 1102 | lensave = len; |
08b6664b KW |
1103 | lsave = lc; |
1104 | rsave = rc; | |
b50535da | 1105 | |
9fdd7463 JH |
1106 | SvCUR_set(sv, len); |
1107 | (void)SvPOK_only(sv); | |
08b6664b | 1108 | if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
2596d9fe | 1109 | dc = SvPV_force_nomg_nolen(sv); |
bb7a0f54 MHM |
1110 | if (SvLEN(sv) < len + 1) { |
1111 | dc = SvGROW(sv, len + 1); | |
ff68c719 | 1112 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
1113 | } | |
1114 | } | |
1115 | else { | |
bb7a0f54 MHM |
1116 | needlen = optype == OP_BIT_AND |
1117 | ? len : (leftlen > rightlen ? leftlen : rightlen); | |
a02a5408 | 1118 | Newxz(dc, needlen + 1, char); |
aa0a69cb | 1119 | sv_usepvn_flags(sv, dc, needlen, SV_HAS_TRAILING_NUL); |
ff68c719 | 1120 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 | 1121 | } |
0c57e439 | 1122 | |
79072805 LW |
1123 | #ifdef LIBERAL |
1124 | if (len >= sizeof(long)*4 && | |
bb7a0f54 MHM |
1125 | !((unsigned long)dc % sizeof(long)) && |
1126 | !((unsigned long)lc % sizeof(long)) && | |
1127 | !((unsigned long)rc % sizeof(long))) /* It's almost always aligned... */ | |
79072805 | 1128 | { |
bb7a0f54 | 1129 | const STRLEN remainder = len % (sizeof(long)*4); |
79072805 LW |
1130 | len /= (sizeof(long)*4); |
1131 | ||
1132 | dl = (long*)dc; | |
1133 | ll = (long*)lc; | |
1134 | rl = (long*)rc; | |
1135 | ||
1136 | switch (optype) { | |
1137 | case OP_BIT_AND: | |
1138 | while (len--) { | |
1139 | *dl++ = *ll++ & *rl++; | |
1140 | *dl++ = *ll++ & *rl++; | |
1141 | *dl++ = *ll++ & *rl++; | |
1142 | *dl++ = *ll++ & *rl++; | |
1143 | } | |
1144 | break; | |
a0d0e21e | 1145 | case OP_BIT_XOR: |
79072805 LW |
1146 | while (len--) { |
1147 | *dl++ = *ll++ ^ *rl++; | |
1148 | *dl++ = *ll++ ^ *rl++; | |
1149 | *dl++ = *ll++ ^ *rl++; | |
1150 | *dl++ = *ll++ ^ *rl++; | |
1151 | } | |
1152 | break; | |
1153 | case OP_BIT_OR: | |
1154 | while (len--) { | |
1155 | *dl++ = *ll++ | *rl++; | |
1156 | *dl++ = *ll++ | *rl++; | |
1157 | *dl++ = *ll++ | *rl++; | |
1158 | *dl++ = *ll++ | *rl++; | |
1159 | } | |
1160 | } | |
1161 | ||
1162 | dc = (char*)dl; | |
1163 | lc = (char*)ll; | |
1164 | rc = (char*)rl; | |
1165 | ||
1166 | len = remainder; | |
1167 | } | |
1168 | #endif | |
27a9d47d KW |
1169 | switch (optype) { |
1170 | case OP_BIT_AND: | |
1171 | while (len--) | |
1172 | *dc++ = *lc++ & *rc++; | |
1173 | *dc = '\0'; | |
1174 | break; | |
1175 | case OP_BIT_XOR: | |
1176 | while (len--) | |
1177 | *dc++ = *lc++ ^ *rc++; | |
1178 | goto mop_up; | |
1179 | case OP_BIT_OR: | |
1180 | while (len--) | |
1181 | *dc++ = *lc++ | *rc++; | |
1182 | mop_up: | |
1183 | len = lensave; | |
1184 | if (rightlen > len) { | |
1185 | if (dc == rc) | |
1186 | SvCUR(sv) = rightlen; | |
1187 | else | |
1188 | sv_catpvn_nomg(sv, rsave + len, rightlen - len); | |
1189 | } | |
1190 | else if (leftlen > len) { | |
1191 | if (dc == lc) | |
1192 | SvCUR(sv) = leftlen; | |
1193 | else | |
1194 | sv_catpvn_nomg(sv, lsave + len, leftlen - len); | |
1195 | } | |
1196 | *SvEND(sv) = '\0'; | |
392582f8 | 1197 | |
b50535da KW |
1198 | /* If there is trailing stuff that couldn't be converted from UTF-8, it |
1199 | * is appended as-is for the ^ and | operators. This preserves | |
1200 | * backwards compatibility */ | |
1201 | if (right_non_downgraded) { | |
1202 | non_downgraded = (char *) right_non_downgraded; | |
1203 | non_downgraded_len = right_non_downgraded_len; | |
1204 | } | |
1205 | else if (left_non_downgraded) { | |
1206 | non_downgraded = (char *) left_non_downgraded; | |
1207 | non_downgraded_len = left_non_downgraded_len; | |
1208 | } | |
1209 | ||
27a9d47d KW |
1210 | break; |
1211 | } | |
08b6664b KW |
1212 | |
1213 | if (result_needs_to_be_utf8) { | |
b50535da KW |
1214 | sv_utf8_upgrade_nomg(sv); |
1215 | ||
1216 | /* Append any trailing UTF-8 as-is. */ | |
1217 | if (non_downgraded) { | |
1218 | sv_catpvn_nomg(sv, non_downgraded, non_downgraded_len); | |
1219 | } | |
79072805 | 1220 | } |
08b6664b | 1221 | |
fb73857a | 1222 | SvTAINT(sv); |
79072805 | 1223 | } |
463ee0b2 | 1224 | |
b1c05ba5 | 1225 | |
a2232057 DM |
1226 | /* Perl_do_kv() may be: |
1227 | * * called directly as the pp function for pp_keys() and pp_values(); | |
a2232057 DM |
1228 | * * It may also be called directly when the op is OP_AVHVSWITCH, to |
1229 | * implement CORE::keys(), CORE::values(). | |
1230 | * | |
1231 | * In all cases it expects an HV on the stack and returns a list of keys, | |
1232 | * values, or key-value pairs, depending on PL_op. | |
1233 | */ | |
b1c05ba5 | 1234 | |
463ee0b2 | 1235 | OP * |
cea2e8a9 | 1236 | Perl_do_kv(pTHX) |
463ee0b2 | 1237 | { |
39644a26 | 1238 | dSP; |
73ff03e8 | 1239 | HV * const keys = MUTABLE_HV(POPs); |
1c23e2bd | 1240 | const U8 gimme = GIMME_V; |
a2232057 | 1241 | |
af3b1cba | 1242 | const I32 dokeys = (PL_op->op_type == OP_KEYS) |
a2232057 | 1243 | || ( PL_op->op_type == OP_AVHVSWITCH |
94184451 DM |
1244 | && (PL_op->op_private & OPpAVHVSWITCH_MASK) |
1245 | + OP_EACH == OP_KEYS); | |
a2232057 | 1246 | |
af3b1cba | 1247 | const I32 dovalues = (PL_op->op_type == OP_VALUES) |
a2232057 | 1248 | || ( PL_op->op_type == OP_AVHVSWITCH |
94184451 DM |
1249 | && (PL_op->op_private & OPpAVHVSWITCH_MASK) |
1250 | + OP_EACH == OP_VALUES); | |
a2232057 | 1251 | |
af3b1cba | 1252 | assert( PL_op->op_type == OP_KEYS |
a2232057 DM |
1253 | || PL_op->op_type == OP_VALUES |
1254 | || PL_op->op_type == OP_AVHVSWITCH); | |
463ee0b2 | 1255 | |
4fa080db DM |
1256 | assert(!( PL_op->op_type == OP_VALUES |
1257 | && (PL_op->op_private & OPpMAYBE_LVSUB))); | |
1258 | ||
800e9ae0 | 1259 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 | 1260 | |
54310121 | 1261 | if (gimme == G_VOID) |
aa689395 | 1262 | RETURN; |
1263 | ||
54310121 | 1264 | if (gimme == G_SCALAR) { |
78f9721b | 1265 | if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */ |
2154eca7 EB |
1266 | SV * const ret = sv_2mortal(newSV_type(SVt_PVLV)); /* Not TARG RT#67838 */ |
1267 | sv_magic(ret, NULL, PERL_MAGIC_nkeys, NULL, 0); | |
1268 | LvTYPE(ret) = 'k'; | |
1269 | LvTARG(ret) = SvREFCNT_inc_simple(keys); | |
1270 | PUSHs(ret); | |
81714fb9 | 1271 | } |
463ee0b2 | 1272 | else { |
2154eca7 EB |
1273 | IV i; |
1274 | dTARGET; | |
1275 | ||
af3b1cba DM |
1276 | /* note that in 'scalar(keys %h)' the OP_KEYS is usually |
1277 | * optimised away and the action is performed directly by the | |
1278 | * padhv or rv2hv op. We now only get here via OP_AVHVSWITCH | |
1279 | * and \&CORE::keys | |
1280 | */ | |
2154eca7 | 1281 | if (! SvTIED_mg((const SV *)keys, PERL_MAGIC_tied) ) { |
1b95d04f | 1282 | i = HvUSEDKEYS(keys); |
2154eca7 EB |
1283 | } |
1284 | else { | |
1285 | i = 0; | |
1286 | while (hv_iternext(keys)) i++; | |
1287 | } | |
1288 | PUSHi( i ); | |
463ee0b2 | 1289 | } |
463ee0b2 LW |
1290 | RETURN; |
1291 | } | |
1292 | ||
a061ab0b FC |
1293 | if (UNLIKELY(PL_op->op_private & OPpMAYBE_LVSUB)) { |
1294 | const I32 flags = is_lvalue_sub(); | |
1295 | if (flags && !(flags & OPpENTERSUB_INARGS)) | |
1296 | /* diag_listed_as: Can't modify %s in %s */ | |
1297 | Perl_croak(aTHX_ "Can't modify keys in list assignment"); | |
1298 | } | |
1299 | ||
8dc9003f DM |
1300 | PUTBACK; |
1301 | hv_pushkv(keys, (dokeys | (dovalues << 1))); | |
1302 | return NORMAL; | |
463ee0b2 | 1303 | } |
4e35701f | 1304 | |
af3babe4 | 1305 | /* |
14d04a33 | 1306 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 1307 | */ |