Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* doop.c |
79072805 | 2 | * |
4bb101f2 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
fdf8c088 | 4 | * 2000, 2001, 2002, 2004, 2005, 2006, 2007, 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 | /* | |
12 | * "'So that was the job I felt I had to do when I started,' thought Sam." | |
79072805 LW |
13 | */ |
14 | ||
166f8a29 DM |
15 | /* This file contains some common functions needed to carry out certain |
16 | * ops. For example both pp_schomp() and pp_chomp() - scalar and array | |
17 | * chomp operations - call the function do_chomp() found in this file. | |
18 | */ | |
19 | ||
79072805 | 20 | #include "EXTERN.h" |
864dbfa3 | 21 | #define PERL_IN_DOOP_C |
79072805 LW |
22 | #include "perl.h" |
23 | ||
64ca3a65 | 24 | #ifndef PERL_MICRO |
79072805 LW |
25 | #include <signal.h> |
26 | #endif | |
27 | ||
942e002e | 28 | STATIC I32 |
c395bd6c | 29 | S_do_trans_simple(pTHX_ SV * const sv) |
79072805 | 30 | { |
97aff369 | 31 | dVAR; |
4757a243 | 32 | I32 matches = 0; |
463ee0b2 | 33 | STRLEN len; |
c395bd6c AL |
34 | U8 *s = (U8*)SvPV(sv,len); |
35 | U8 * const send = s+len; | |
79072805 | 36 | |
c4420975 | 37 | const short * const tbl = (short*)cPVOP->op_pv; |
4757a243 | 38 | if (!tbl) |
7d85a32c | 39 | Perl_croak(aTHX_ "panic: do_trans_simple line %d",__LINE__); |
a0ed51b3 | 40 | |
1e54db1a | 41 | /* First, take care of non-UTF-8 input strings, because they're easy */ |
1aa99e6b | 42 | if (!SvUTF8(sv)) { |
01ec43d0 | 43 | while (s < send) { |
f54cb97a AL |
44 | const I32 ch = tbl[*s]; |
45 | if (ch >= 0) { | |
01ec43d0 | 46 | matches++; |
c4420975 | 47 | *s = (U8)ch; |
01ec43d0 | 48 | } |
c4420975 | 49 | s++; |
01ec43d0 GS |
50 | } |
51 | SvSETMAGIC(sv); | |
9b877dbb IH |
52 | } |
53 | else { | |
c395bd6c AL |
54 | const I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
55 | U8 *d; | |
56 | U8 *dstart; | |
57 | ||
58 | /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ | |
59 | if (grows) | |
60 | Newx(d, len*2+1, U8); | |
61 | else | |
62 | d = s; | |
63 | dstart = d; | |
64 | while (s < send) { | |
65 | STRLEN ulen; | |
66 | I32 ch; | |
67 | ||
68 | /* Need to check this, otherwise 128..255 won't match */ | |
69 | const UV c = utf8n_to_uvchr(s, send - s, &ulen, UTF8_ALLOW_DEFAULT); | |
70 | if (c < 0x100 && (ch = tbl[c]) >= 0) { | |
71 | matches++; | |
72 | d = uvchr_to_utf8(d, ch); | |
73 | s += ulen; | |
74 | } | |
75 | else { /* No match -> copy */ | |
76 | Move(s, d, ulen, U8); | |
77 | d += ulen; | |
78 | s += ulen; | |
79 | } | |
80 | } | |
81 | if (grows) { | |
82 | sv_setpvn(sv, (char*)dstart, d - dstart); | |
83 | Safefree(dstart); | |
84 | } | |
85 | else { | |
86 | *d = '\0'; | |
87 | SvCUR_set(sv, d - dstart); | |
88 | } | |
89 | SvUTF8_on(sv); | |
90 | SvSETMAGIC(sv); | |
9b877dbb | 91 | } |
4757a243 LW |
92 | return matches; |
93 | } | |
94 | ||
942e002e | 95 | STATIC I32 |
c395bd6c | 96 | S_do_trans_count(pTHX_ SV * const sv) |
4757a243 | 97 | { |
97aff369 | 98 | dVAR; |
4757a243 | 99 | STRLEN len; |
c395bd6c AL |
100 | const U8 *s = (const U8*)SvPV_const(sv, len); |
101 | const U8 * const send = s + len; | |
102 | I32 matches = 0; | |
4757a243 | 103 | |
f54cb97a | 104 | const short * const tbl = (short*)cPVOP->op_pv; |
4757a243 | 105 | if (!tbl) |
7d85a32c | 106 | Perl_croak(aTHX_ "panic: do_trans_count line %d",__LINE__); |
4757a243 | 107 | |
c395bd6c | 108 | if (!SvUTF8(sv)) { |
1aa99e6b IH |
109 | while (s < send) { |
110 | if (tbl[*s++] >= 0) | |
036b4402 | 111 | matches++; |
1aa99e6b | 112 | } |
c395bd6c | 113 | } |
fabdb6c0 AL |
114 | else { |
115 | const I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT; | |
1aa99e6b | 116 | while (s < send) { |
1aa99e6b | 117 | STRLEN ulen; |
9f7f3913 | 118 | const UV c = utf8n_to_uvchr(s, send - s, &ulen, UTF8_ALLOW_DEFAULT); |
8973db79 JH |
119 | if (c < 0x100) { |
120 | if (tbl[c] >= 0) | |
121 | matches++; | |
122 | } else if (complement) | |
1aa99e6b IH |
123 | matches++; |
124 | s += ulen; | |
125 | } | |
fabdb6c0 | 126 | } |
4757a243 LW |
127 | |
128 | return matches; | |
129 | } | |
130 | ||
942e002e | 131 | STATIC I32 |
c395bd6c | 132 | S_do_trans_complex(pTHX_ SV * const sv) |
4757a243 | 133 | { |
97aff369 | 134 | dVAR; |
c395bd6c AL |
135 | STRLEN len; |
136 | U8 *s = (U8*)SvPV(sv, len); | |
137 | U8 * const send = s+len; | |
4757a243 | 138 | I32 matches = 0; |
4757a243 | 139 | |
f54cb97a | 140 | const short * const tbl = (short*)cPVOP->op_pv; |
4757a243 | 141 | if (!tbl) |
7d85a32c | 142 | Perl_croak(aTHX_ "panic: do_trans_complex line %d",__LINE__); |
4757a243 | 143 | |
c395bd6c AL |
144 | if (!SvUTF8(sv)) { |
145 | U8 *d = s; | |
146 | U8 * const dstart = d; | |
4757a243 | 147 | |
1aa99e6b | 148 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
f54cb97a | 149 | const U8* p = send; |
1aa99e6b | 150 | while (s < send) { |
f54cb97a AL |
151 | const I32 ch = tbl[*s]; |
152 | if (ch >= 0) { | |
eb160463 | 153 | *d = (U8)ch; |
036b4402 | 154 | matches++; |
1aa99e6b IH |
155 | if (p != d - 1 || *p != *d) |
156 | p = d++; | |
157 | } | |
158 | else if (ch == -1) /* -1 is unmapped character */ | |
159 | *d++ = *s; | |
160 | else if (ch == -2) /* -2 is delete character */ | |
161 | matches++; | |
162 | s++; | |
163 | } | |
a0ed51b3 | 164 | } |
1aa99e6b IH |
165 | else { |
166 | while (s < send) { | |
f54cb97a AL |
167 | const I32 ch = tbl[*s]; |
168 | if (ch >= 0) { | |
1aa99e6b | 169 | matches++; |
eb160463 | 170 | *d++ = (U8)ch; |
1aa99e6b IH |
171 | } |
172 | else if (ch == -1) /* -1 is unmapped character */ | |
173 | *d++ = *s; | |
174 | else if (ch == -2) /* -2 is delete character */ | |
175 | matches++; | |
176 | s++; | |
177 | } | |
178 | } | |
76ef7183 | 179 | *d = '\0'; |
1aa99e6b | 180 | SvCUR_set(sv, d - dstart); |
4757a243 | 181 | } |
c395bd6c | 182 | else { /* is utf8 */ |
fabdb6c0 AL |
183 | const I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT; |
184 | const I32 grows = PL_op->op_private & OPpTRANS_GROWS; | |
185 | const I32 del = PL_op->op_private & OPpTRANS_DELETE; | |
c395bd6c AL |
186 | U8 *d; |
187 | U8 *dstart; | |
188 | STRLEN rlen = 0; | |
fabdb6c0 | 189 | |
9b877dbb | 190 | if (grows) |
a02a5408 | 191 | Newx(d, len*2+1, U8); |
9b877dbb IH |
192 | else |
193 | d = s; | |
1aa99e6b | 194 | dstart = d; |
8973db79 JH |
195 | if (complement && !del) |
196 | rlen = tbl[0x100]; | |
1aa99e6b | 197 | |
4aecb5b5 JH |
198 | #ifdef MACOS_TRADITIONAL |
199 | #define comp CoMP /* "comp" is a keyword in some compilers ... */ | |
200 | #endif | |
201 | ||
1aa99e6b | 202 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
1aa99e6b IH |
203 | UV pch = 0xfeedface; |
204 | while (s < send) { | |
205 | STRLEN len; | |
9f7f3913 TS |
206 | const UV comp = utf8n_to_uvchr(s, send - s, &len, |
207 | UTF8_ALLOW_DEFAULT); | |
f54cb97a | 208 | I32 ch; |
1aa99e6b | 209 | |
8973db79 JH |
210 | if (comp > 0xff) { |
211 | if (!complement) { | |
640af7f1 | 212 | Move(s, d, len, U8); |
8973db79 JH |
213 | d += len; |
214 | } | |
215 | else { | |
216 | matches++; | |
217 | if (!del) { | |
bb7a0f54 | 218 | ch = (rlen == 0) ? (I32)comp : |
05d340b8 | 219 | (comp - 0x100 < rlen) ? |
8973db79 | 220 | tbl[comp+1] : tbl[0x100+rlen]; |
eb160463 | 221 | if ((UV)ch != pch) { |
9041c2e3 | 222 | d = uvchr_to_utf8(d, ch); |
eb160463 | 223 | pch = (UV)ch; |
8973db79 JH |
224 | } |
225 | s += len; | |
226 | continue; | |
227 | } | |
228 | } | |
9b877dbb | 229 | } |
1aa99e6b IH |
230 | else if ((ch = tbl[comp]) >= 0) { |
231 | matches++; | |
eb160463 | 232 | if ((UV)ch != pch) { |
9041c2e3 | 233 | d = uvchr_to_utf8(d, ch); |
eb160463 | 234 | pch = (UV)ch; |
1aa99e6b IH |
235 | } |
236 | s += len; | |
237 | continue; | |
238 | } | |
9b877dbb | 239 | else if (ch == -1) { /* -1 is unmapped character */ |
640af7f1 | 240 | Move(s, d, len, U8); |
9b877dbb IH |
241 | d += len; |
242 | } | |
1aa99e6b IH |
243 | else if (ch == -2) /* -2 is delete character */ |
244 | matches++; | |
245 | s += len; | |
246 | pch = 0xfeedface; | |
247 | } | |
5d06d08e | 248 | } |
1aa99e6b IH |
249 | else { |
250 | while (s < send) { | |
251 | STRLEN len; | |
9f7f3913 TS |
252 | const UV comp = utf8n_to_uvchr(s, send - s, &len, |
253 | UTF8_ALLOW_DEFAULT); | |
f54cb97a | 254 | I32 ch; |
8973db79 JH |
255 | if (comp > 0xff) { |
256 | if (!complement) { | |
0376ff32 | 257 | Move(s, d, len, U8); |
8973db79 JH |
258 | d += len; |
259 | } | |
260 | else { | |
261 | matches++; | |
262 | if (!del) { | |
9041c2e3 NIS |
263 | if (comp - 0x100 < rlen) |
264 | d = uvchr_to_utf8(d, tbl[comp+1]); | |
8973db79 | 265 | else |
9041c2e3 | 266 | d = uvchr_to_utf8(d, tbl[0x100+rlen]); |
8973db79 JH |
267 | } |
268 | } | |
9b877dbb | 269 | } |
1aa99e6b | 270 | else if ((ch = tbl[comp]) >= 0) { |
9041c2e3 | 271 | d = uvchr_to_utf8(d, ch); |
1aa99e6b IH |
272 | matches++; |
273 | } | |
274 | else if (ch == -1) { /* -1 is unmapped character */ | |
640af7f1 | 275 | Move(s, d, len, U8); |
9b877dbb | 276 | d += len; |
1aa99e6b IH |
277 | } |
278 | else if (ch == -2) /* -2 is delete character */ | |
279 | matches++; | |
280 | s += len; | |
281 | } | |
282 | } | |
9b877dbb IH |
283 | if (grows) { |
284 | sv_setpvn(sv, (char*)dstart, d - dstart); | |
285 | Safefree(dstart); | |
286 | } | |
287 | else { | |
288 | *d = '\0'; | |
289 | SvCUR_set(sv, d - dstart); | |
290 | } | |
1aa99e6b | 291 | SvUTF8_on(sv); |
4757a243 | 292 | } |
5e44153e | 293 | SvSETMAGIC(sv); |
4757a243 LW |
294 | return matches; |
295 | } | |
296 | ||
942e002e | 297 | STATIC I32 |
c395bd6c | 298 | S_do_trans_simple_utf8(pTHX_ SV * const sv) |
4757a243 | 299 | { |
97aff369 | 300 | dVAR; |
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 LW |
308 | STRLEN len; |
309 | ||
043e41b8 DM |
310 | SV* const rv = |
311 | #ifdef USE_ITHREADS | |
312 | PAD_SVl(cPADOP->op_padix); | |
313 | #else | |
314 | (SV*)cSVOP->op_sv; | |
315 | #endif | |
53c1dcc0 | 316 | HV* const hv = (HV*)SvRV(rv); |
a4fc7abc | 317 | SV* const * svp = hv_fetchs(hv, "NONE", FALSE); |
f54cb97a AL |
318 | const UV none = svp ? SvUV(*svp) : 0x7fffffff; |
319 | const UV extra = none + 1; | |
b7953727 | 320 | UV final = 0; |
1aa99e6b | 321 | U8 hibit = 0; |
4757a243 LW |
322 | |
323 | s = (U8*)SvPV(sv, len); | |
c395bd6c | 324 | if (!SvUTF8(sv)) { |
c4420975 AL |
325 | const U8 *t = s; |
326 | const U8 * const e = s + len; | |
c4d5f83a | 327 | while (t < e) { |
f54cb97a | 328 | const U8 ch = *t++; |
fabdb6c0 AL |
329 | hibit = !NATIVE_IS_INVARIANT(ch); |
330 | if (hibit) { | |
331 | s = bytes_to_utf8(s, &len); | |
1aa99e6b | 332 | break; |
fabdb6c0 | 333 | } |
c4d5f83a | 334 | } |
1aa99e6b | 335 | } |
4757a243 | 336 | send = s + len; |
036b4402 | 337 | start = s; |
4757a243 | 338 | |
a4fc7abc | 339 | svp = hv_fetchs(hv, "FINAL", FALSE); |
4757a243 LW |
340 | if (svp) |
341 | final = SvUV(*svp); | |
342 | ||
9b877dbb IH |
343 | if (grows) { |
344 | /* d needs to be bigger than s, in case e.g. upgrading is required */ | |
a02a5408 | 345 | Newx(d, len * 3 + UTF8_MAXBYTES, U8); |
9b877dbb IH |
346 | dend = d + len * 3; |
347 | dstart = d; | |
348 | } | |
349 | else { | |
350 | dstart = d = s; | |
351 | dend = d + len; | |
352 | } | |
1aa99e6b | 353 | |
4757a243 | 354 | while (s < send) { |
0bcc34c2 AL |
355 | const UV uv = swash_fetch(rv, s, TRUE); |
356 | if (uv < none) { | |
4757a243 LW |
357 | s += UTF8SKIP(s); |
358 | matches++; | |
7d85a32c | 359 | d = uvuni_to_utf8(d, uv); |
4757a243 LW |
360 | } |
361 | else if (uv == none) { | |
4373e329 | 362 | const int i = UTF8SKIP(s); |
0376ff32 | 363 | Move(s, d, i, U8); |
9b877dbb IH |
364 | d += i; |
365 | s += i; | |
4757a243 LW |
366 | } |
367 | else if (uv == extra) { | |
4373e329 | 368 | s += UTF8SKIP(s); |
4757a243 | 369 | matches++; |
7d85a32c | 370 | d = uvuni_to_utf8(d, final); |
4757a243 LW |
371 | } |
372 | else | |
373 | s += UTF8SKIP(s); | |
1aa99e6b | 374 | |
9b877dbb | 375 | if (d > dend) { |
4373e329 AL |
376 | const STRLEN clen = d - dstart; |
377 | const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES; | |
9b877dbb | 378 | if (!grows) |
7d85a32c | 379 | Perl_croak(aTHX_ "panic: do_trans_simple_utf8 line %d",__LINE__); |
89ebb4a3 | 380 | Renew(dstart, nlen + UTF8_MAXBYTES, U8); |
1aa99e6b IH |
381 | d = dstart + clen; |
382 | dend = dstart + nlen; | |
383 | } | |
4757a243 | 384 | } |
16ec844d | 385 | if (grows || hibit) { |
9b877dbb IH |
386 | sv_setpvn(sv, (char*)dstart, d - dstart); |
387 | Safefree(dstart); | |
16ec844d IH |
388 | if (grows && hibit) |
389 | Safefree(start); | |
9b877dbb IH |
390 | } |
391 | else { | |
392 | *d = '\0'; | |
393 | SvCUR_set(sv, d - dstart); | |
394 | } | |
4757a243 | 395 | SvSETMAGIC(sv); |
1aa99e6b | 396 | SvUTF8_on(sv); |
4757a243 LW |
397 | |
398 | return matches; | |
399 | } | |
400 | ||
942e002e | 401 | STATIC I32 |
c395bd6c | 402 | S_do_trans_count_utf8(pTHX_ SV * const sv) |
4757a243 | 403 | { |
97aff369 | 404 | dVAR; |
93524f2b | 405 | const U8 *s; |
cbbf8932 AL |
406 | const U8 *start = NULL; |
407 | const U8 *send; | |
4757a243 LW |
408 | I32 matches = 0; |
409 | STRLEN len; | |
410 | ||
043e41b8 DM |
411 | SV* const rv = |
412 | #ifdef USE_ITHREADS | |
413 | PAD_SVl(cPADOP->op_padix); | |
414 | #else | |
415 | (SV*)cSVOP->op_sv; | |
416 | #endif | |
53c1dcc0 | 417 | HV* const hv = (HV*)SvRV(rv); |
a4fc7abc | 418 | SV* const * const svp = hv_fetchs(hv, "NONE", FALSE); |
f54cb97a AL |
419 | const UV none = svp ? SvUV(*svp) : 0x7fffffff; |
420 | const UV extra = none + 1; | |
1aa99e6b | 421 | U8 hibit = 0; |
4757a243 | 422 | |
93524f2b | 423 | s = (const U8*)SvPV_const(sv, len); |
1aa99e6b | 424 | if (!SvUTF8(sv)) { |
4373e329 | 425 | const U8 *t = s; |
c4420975 | 426 | const U8 * const e = s + len; |
c4d5f83a | 427 | while (t < e) { |
4373e329 | 428 | const U8 ch = *t++; |
fabdb6c0 AL |
429 | hibit = !NATIVE_IS_INVARIANT(ch); |
430 | if (hibit) { | |
431 | start = s = bytes_to_utf8(s, &len); | |
1aa99e6b | 432 | break; |
fabdb6c0 | 433 | } |
c4d5f83a | 434 | } |
1aa99e6b | 435 | } |
4757a243 LW |
436 | send = s + len; |
437 | ||
438 | while (s < send) { | |
c4420975 AL |
439 | const UV uv = swash_fetch(rv, s, TRUE); |
440 | if (uv < none || uv == extra) | |
4757a243 | 441 | matches++; |
834a4ddd | 442 | s += UTF8SKIP(s); |
4757a243 | 443 | } |
1aa99e6b IH |
444 | if (hibit) |
445 | Safefree(start); | |
4757a243 LW |
446 | |
447 | return matches; | |
448 | } | |
449 | ||
942e002e | 450 | STATIC I32 |
c395bd6c | 451 | S_do_trans_complex_utf8(pTHX_ SV * const sv) |
4757a243 | 452 | { |
97aff369 | 453 | dVAR; |
1aa99e6b | 454 | U8 *start, *send; |
4757a243 LW |
455 | U8 *d; |
456 | I32 matches = 0; | |
4373e329 AL |
457 | const I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
458 | const I32 del = PL_op->op_private & OPpTRANS_DELETE; | |
459 | const I32 grows = PL_op->op_private & OPpTRANS_GROWS; | |
043e41b8 DM |
460 | SV* const rv = |
461 | #ifdef USE_ITHREADS | |
462 | PAD_SVl(cPADOP->op_padix); | |
463 | #else | |
464 | (SV*)cSVOP->op_sv; | |
465 | #endif | |
53c1dcc0 | 466 | HV * const hv = (HV*)SvRV(rv); |
a4fc7abc | 467 | SV * const *svp = hv_fetchs(hv, "NONE", FALSE); |
f54cb97a AL |
468 | const UV none = svp ? SvUV(*svp) : 0x7fffffff; |
469 | const UV extra = none + 1; | |
b7953727 | 470 | UV final = 0; |
45005bfb | 471 | bool havefinal = FALSE; |
4757a243 | 472 | STRLEN len; |
1aa99e6b | 473 | U8 *dstart, *dend; |
1aa99e6b | 474 | U8 hibit = 0; |
4757a243 | 475 | |
f54cb97a | 476 | U8 *s = (U8*)SvPV(sv, len); |
c395bd6c | 477 | if (!SvUTF8(sv)) { |
53c1dcc0 AL |
478 | const U8 *t = s; |
479 | const U8 * const e = s + len; | |
c4d5f83a | 480 | while (t < e) { |
f54cb97a | 481 | const U8 ch = *t++; |
fabdb6c0 AL |
482 | hibit = !NATIVE_IS_INVARIANT(ch); |
483 | if (hibit) { | |
484 | s = bytes_to_utf8(s, &len); | |
1aa99e6b | 485 | break; |
fabdb6c0 | 486 | } |
c4d5f83a | 487 | } |
1aa99e6b | 488 | } |
4757a243 | 489 | send = s + len; |
1aa99e6b | 490 | start = s; |
4757a243 | 491 | |
a4fc7abc | 492 | svp = hv_fetchs(hv, "FINAL", FALSE); |
45005bfb | 493 | if (svp) { |
4757a243 | 494 | final = SvUV(*svp); |
45005bfb JH |
495 | havefinal = TRUE; |
496 | } | |
4757a243 | 497 | |
9b877dbb IH |
498 | if (grows) { |
499 | /* d needs to be bigger than s, in case e.g. upgrading is required */ | |
a02a5408 | 500 | Newx(d, len * 3 + UTF8_MAXBYTES, U8); |
9b877dbb IH |
501 | dend = d + len * 3; |
502 | dstart = d; | |
503 | } | |
504 | else { | |
505 | dstart = d = s; | |
506 | dend = d + len; | |
507 | } | |
4757a243 LW |
508 | |
509 | if (squash) { | |
510 | UV puv = 0xfeedface; | |
511 | while (s < send) { | |
f54cb97a | 512 | UV uv = swash_fetch(rv, s, TRUE); |
9041c2e3 | 513 | |
9b877dbb | 514 | if (d > dend) { |
4373e329 AL |
515 | const STRLEN clen = d - dstart; |
516 | const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES; | |
9b877dbb | 517 | if (!grows) |
7d85a32c | 518 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__); |
89ebb4a3 | 519 | Renew(dstart, nlen + UTF8_MAXBYTES, U8); |
1aa99e6b IH |
520 | d = dstart + clen; |
521 | dend = dstart + nlen; | |
4757a243 LW |
522 | } |
523 | if (uv < none) { | |
524 | matches++; | |
94472101 | 525 | s += UTF8SKIP(s); |
4757a243 | 526 | if (uv != puv) { |
7d85a32c | 527 | d = uvuni_to_utf8(d, uv); |
4757a243 LW |
528 | puv = uv; |
529 | } | |
4757a243 LW |
530 | continue; |
531 | } | |
532 | else if (uv == none) { /* "none" is unmapped character */ | |
4373e329 | 533 | const int i = UTF8SKIP(s); |
0376ff32 | 534 | Move(s, d, i, U8); |
9b877dbb IH |
535 | d += i; |
536 | s += i; | |
4757a243 LW |
537 | puv = 0xfeedface; |
538 | continue; | |
a0ed51b3 | 539 | } |
4757a243 LW |
540 | else if (uv == extra && !del) { |
541 | matches++; | |
45005bfb JH |
542 | if (havefinal) { |
543 | s += UTF8SKIP(s); | |
544 | if (puv != final) { | |
7d85a32c | 545 | d = uvuni_to_utf8(d, final); |
45005bfb JH |
546 | puv = final; |
547 | } | |
548 | } | |
549 | else { | |
550 | STRLEN len; | |
9f7f3913 | 551 | uv = utf8n_to_uvuni(s, send - s, &len, UTF8_ALLOW_DEFAULT); |
45005bfb | 552 | if (uv != puv) { |
0376ff32 | 553 | Move(s, d, len, U8); |
45005bfb JH |
554 | d += len; |
555 | puv = uv; | |
556 | } | |
557 | s += len; | |
4757a243 | 558 | } |
4757a243 LW |
559 | continue; |
560 | } | |
01ec43d0 GS |
561 | matches++; /* "none+1" is delete character */ |
562 | s += UTF8SKIP(s); | |
a0ed51b3 | 563 | } |
79072805 LW |
564 | } |
565 | else { | |
4757a243 | 566 | while (s < send) { |
f54cb97a | 567 | const UV uv = swash_fetch(rv, s, TRUE); |
9b877dbb | 568 | if (d > dend) { |
f54cb97a AL |
569 | const STRLEN clen = d - dstart; |
570 | const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES; | |
9b877dbb | 571 | if (!grows) |
7d85a32c | 572 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__); |
89ebb4a3 | 573 | Renew(dstart, nlen + UTF8_MAXBYTES, U8); |
1aa99e6b IH |
574 | d = dstart + clen; |
575 | dend = dstart + nlen; | |
a0ed51b3 | 576 | } |
4757a243 LW |
577 | if (uv < none) { |
578 | matches++; | |
01ec43d0 | 579 | s += UTF8SKIP(s); |
7d85a32c | 580 | d = uvuni_to_utf8(d, uv); |
4757a243 | 581 | continue; |
a0ed51b3 | 582 | } |
4757a243 | 583 | else if (uv == none) { /* "none" is unmapped character */ |
f54cb97a | 584 | const int i = UTF8SKIP(s); |
0376ff32 | 585 | Move(s, d, i, U8); |
9b877dbb IH |
586 | d += i; |
587 | s += i; | |
4757a243 | 588 | continue; |
79072805 | 589 | } |
4757a243 LW |
590 | else if (uv == extra && !del) { |
591 | matches++; | |
01ec43d0 | 592 | s += UTF8SKIP(s); |
7d85a32c | 593 | d = uvuni_to_utf8(d, final); |
4757a243 LW |
594 | continue; |
595 | } | |
01ec43d0 GS |
596 | matches++; /* "none+1" is delete character */ |
597 | s += UTF8SKIP(s); | |
79072805 | 598 | } |
4757a243 | 599 | } |
16ec844d | 600 | if (grows || hibit) { |
9b877dbb IH |
601 | sv_setpvn(sv, (char*)dstart, d - dstart); |
602 | Safefree(dstart); | |
16ec844d IH |
603 | if (grows && hibit) |
604 | Safefree(start); | |
9b877dbb IH |
605 | } |
606 | else { | |
607 | *d = '\0'; | |
608 | SvCUR_set(sv, d - dstart); | |
609 | } | |
1aa99e6b | 610 | SvUTF8_on(sv); |
4757a243 LW |
611 | SvSETMAGIC(sv); |
612 | ||
613 | return matches; | |
614 | } | |
615 | ||
616 | I32 | |
864dbfa3 | 617 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 | 618 | { |
97aff369 | 619 | dVAR; |
4757a243 | 620 | STRLEN len; |
4373e329 | 621 | const I32 hasutf = (PL_op->op_private & |
036b4402 | 622 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 | 623 | |
2233f375 | 624 | if (SvREADONLY(sv)) { |
765f542d NC |
625 | if (SvIsCOW(sv)) |
626 | sv_force_normal_flags(sv, 0); | |
2233f375 NC |
627 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
628 | Perl_croak(aTHX_ PL_no_modify); | |
629 | } | |
10516c54 | 630 | (void)SvPV_const(sv, len); |
4757a243 LW |
631 | if (!len) |
632 | return 0; | |
d59e14db RGS |
633 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) { |
634 | if (!SvPOKp(sv)) | |
635 | (void)SvPV_force(sv, len); | |
2de7b02f | 636 | (void)SvPOK_only_UTF8(sv); |
d59e14db | 637 | } |
4757a243 | 638 | |
cea2e8a9 | 639 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 | 640 | |
a77e643a RGS |
641 | switch (PL_op->op_private & ~hasutf & ( |
642 | OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL| | |
643 | OPpTRANS_SQUASH|OPpTRANS_DELETE|OPpTRANS_COMPLEMENT)) { | |
4757a243 | 644 | case 0: |
01ec43d0 GS |
645 | if (hasutf) |
646 | return do_trans_simple_utf8(sv); | |
647 | else | |
648 | return do_trans_simple(sv); | |
4757a243 LW |
649 | |
650 | case OPpTRANS_IDENTICAL: | |
05d340b8 | 651 | case OPpTRANS_IDENTICAL|OPpTRANS_COMPLEMENT: |
01ec43d0 GS |
652 | if (hasutf) |
653 | return do_trans_count_utf8(sv); | |
654 | else | |
655 | return do_trans_count(sv); | |
4757a243 LW |
656 | |
657 | default: | |
01ec43d0 | 658 | if (hasutf) |
036b4402 | 659 | return do_trans_complex_utf8(sv); |
4757a243 | 660 | else |
036b4402 | 661 | return do_trans_complex(sv); |
79072805 | 662 | } |
79072805 LW |
663 | } |
664 | ||
665 | void | |
b9ac451d | 666 | Perl_do_join(pTHX_ register SV *sv, SV *delim, register SV **mark, register SV **sp) |
79072805 | 667 | { |
97aff369 | 668 | dVAR; |
53c1dcc0 | 669 | SV ** const oldmark = mark; |
79072805 | 670 | register I32 items = sp - mark; |
79072805 | 671 | register STRLEN len; |
463ee0b2 | 672 | STRLEN delimlen; |
79072805 | 673 | |
b9ac451d | 674 | (void) SvPV_const(delim, delimlen); /* stringify and get the delimlen */ |
5ba99574 | 675 | /* SvCUR assumes it's SvPOK() and woe betide you if it's not. */ |
516a5887 | 676 | |
79072805 LW |
677 | mark++; |
678 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); | |
862a34c6 | 679 | SvUPGRADE(sv, SVt_PV); |
79072805 LW |
680 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
681 | while (items-- > 0) { | |
1426bbf4 | 682 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
f54cb97a | 683 | STRLEN tmplen; |
5c144d81 | 684 | SvPV_const(*mark, tmplen); |
463ee0b2 | 685 | len += tmplen; |
79072805 LW |
686 | } |
687 | mark++; | |
688 | } | |
689 | SvGROW(sv, len + 1); /* so try to pre-extend */ | |
690 | ||
691 | mark = oldmark; | |
db7c17d7 | 692 | items = sp - mark; |
79072805 LW |
693 | ++mark; |
694 | } | |
695 | ||
fc0199cd | 696 | sv_setpvn(sv, "", 0); |
e4803c42 | 697 | /* sv_setpv retains old UTF8ness [perl #24846] */ |
fb622db0 | 698 | SvUTF8_off(sv); |
e4803c42 | 699 | |
8d6d96c1 HS |
700 | if (PL_tainting && SvMAGICAL(sv)) |
701 | SvTAINTED_off(sv); | |
702 | ||
463ee0b2 | 703 | if (items-- > 0) { |
92d29cee JH |
704 | if (*mark) |
705 | sv_catsv(sv, *mark); | |
463ee0b2 LW |
706 | mark++; |
707 | } | |
8d6d96c1 | 708 | |
c512ce4f | 709 | if (delimlen) { |
79072805 | 710 | for (; items > 0; items--,mark++) { |
b9ac451d | 711 | sv_catsv(sv,delim); |
79072805 LW |
712 | sv_catsv(sv,*mark); |
713 | } | |
714 | } | |
715 | else { | |
716 | for (; items > 0; items--,mark++) | |
717 | sv_catsv(sv,*mark); | |
718 | } | |
719 | SvSETMAGIC(sv); | |
720 | } | |
721 | ||
722 | void | |
864dbfa3 | 723 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 | 724 | { |
97aff369 | 725 | dVAR; |
46fc3d4c | 726 | STRLEN patlen; |
53c1dcc0 | 727 | const char * const pat = SvPV_const(*sarg, patlen); |
46fc3d4c | 728 | bool do_taint = FALSE; |
729 | ||
5b781b5b | 730 | SvUTF8_off(sv); |
2cf2cfc6 A |
731 | if (DO_UTF8(*sarg)) |
732 | SvUTF8_on(sv); | |
4608196e | 733 | sv_vsetpvfn(sv, pat, patlen, NULL, sarg + 1, len - 1, &do_taint); |
79072805 | 734 | SvSETMAGIC(sv); |
46fc3d4c | 735 | if (do_taint) |
736 | SvTAINTED_on(sv); | |
79072805 LW |
737 | } |
738 | ||
33b45480 | 739 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 JH |
740 | UV |
741 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) | |
742 | { | |
97aff369 | 743 | dVAR; |
bbb8a7e0 | 744 | STRLEN srclen, len, uoffset, bitoffs = 0; |
10516c54 | 745 | const unsigned char *s = (const unsigned char *) SvPV_const(sv, srclen); |
81e118e0 JH |
746 | UV retnum = 0; |
747 | ||
a50d7633 | 748 | if (offset < 0) |
81e118e0 | 749 | return retnum; |
8e84507e | 750 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 751 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
246fae53 | 752 | |
dcad2880 | 753 | if (SvUTF8(sv)) |
33b45480 | 754 | (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE); |
246fae53 | 755 | |
bbb8a7e0 MHM |
756 | if (size < 8) { |
757 | bitoffs = ((offset%8)*size)%8; | |
758 | uoffset = offset/(8/size); | |
759 | } | |
760 | else if (size > 8) | |
761 | uoffset = offset*(size/8); | |
762 | else | |
763 | uoffset = offset; | |
764 | ||
765 | len = uoffset + (bitoffs + size + 7)/8; /* required number of bytes */ | |
81e118e0 JH |
766 | if (len > srclen) { |
767 | if (size <= 8) | |
768 | retnum = 0; | |
769 | else { | |
81e118e0 | 770 | if (size == 16) { |
bb7a0f54 | 771 | if (uoffset >= srclen) |
81e118e0 JH |
772 | retnum = 0; |
773 | else | |
bb7a0f54 | 774 | retnum = (UV) s[uoffset] << 8; |
81e118e0 JH |
775 | } |
776 | else if (size == 32) { | |
bb7a0f54 | 777 | if (uoffset >= srclen) |
81e118e0 | 778 | retnum = 0; |
bb7a0f54 | 779 | else if (uoffset + 1 >= srclen) |
81e118e0 | 780 | retnum = |
bb7a0f54 MHM |
781 | ((UV) s[uoffset ] << 24); |
782 | else if (uoffset + 2 >= srclen) | |
81e118e0 | 783 | retnum = |
bb7a0f54 MHM |
784 | ((UV) s[uoffset ] << 24) + |
785 | ((UV) s[uoffset + 1] << 16); | |
81e118e0 JH |
786 | else |
787 | retnum = | |
bb7a0f54 MHM |
788 | ((UV) s[uoffset ] << 24) + |
789 | ((UV) s[uoffset + 1] << 16) + | |
790 | ( s[uoffset + 2] << 8); | |
81e118e0 | 791 | } |
d7d93a81 | 792 | #ifdef UV_IS_QUAD |
c5a0f51a | 793 | else if (size == 64) { |
c5a0f51a | 794 | if (ckWARN(WARN_PORTABLE)) |
9014280d | 795 | Perl_warner(aTHX_ packWARN(WARN_PORTABLE), |
c5a0f51a | 796 | "Bit vector size > 32 non-portable"); |
bb7a0f54 | 797 | if (uoffset >= srclen) |
c5a0f51a | 798 | retnum = 0; |
bb7a0f54 | 799 | else if (uoffset + 1 >= srclen) |
c5a0f51a | 800 | retnum = |
bb7a0f54 MHM |
801 | (UV) s[uoffset ] << 56; |
802 | else if (uoffset + 2 >= srclen) | |
c5a0f51a | 803 | retnum = |
bb7a0f54 MHM |
804 | ((UV) s[uoffset ] << 56) + |
805 | ((UV) s[uoffset + 1] << 48); | |
806 | else if (uoffset + 3 >= srclen) | |
c5a0f51a | 807 | retnum = |
bb7a0f54 MHM |
808 | ((UV) s[uoffset ] << 56) + |
809 | ((UV) s[uoffset + 1] << 48) + | |
810 | ((UV) s[uoffset + 2] << 40); | |
811 | else if (uoffset + 4 >= srclen) | |
c5a0f51a | 812 | retnum = |
bb7a0f54 MHM |
813 | ((UV) s[uoffset ] << 56) + |
814 | ((UV) s[uoffset + 1] << 48) + | |
815 | ((UV) s[uoffset + 2] << 40) + | |
816 | ((UV) s[uoffset + 3] << 32); | |
817 | else if (uoffset + 5 >= srclen) | |
c5a0f51a | 818 | retnum = |
bb7a0f54 MHM |
819 | ((UV) s[uoffset ] << 56) + |
820 | ((UV) s[uoffset + 1] << 48) + | |
821 | ((UV) s[uoffset + 2] << 40) + | |
822 | ((UV) s[uoffset + 3] << 32) + | |
823 | ( s[uoffset + 4] << 24); | |
824 | else if (uoffset + 6 >= srclen) | |
c5a0f51a | 825 | retnum = |
bb7a0f54 MHM |
826 | ((UV) s[uoffset ] << 56) + |
827 | ((UV) s[uoffset + 1] << 48) + | |
828 | ((UV) s[uoffset + 2] << 40) + | |
829 | ((UV) s[uoffset + 3] << 32) + | |
830 | ((UV) s[uoffset + 4] << 24) + | |
831 | ((UV) s[uoffset + 5] << 16); | |
c5a0f51a | 832 | else |
8e84507e | 833 | retnum = |
bb7a0f54 MHM |
834 | ((UV) s[uoffset ] << 56) + |
835 | ((UV) s[uoffset + 1] << 48) + | |
836 | ((UV) s[uoffset + 2] << 40) + | |
837 | ((UV) s[uoffset + 3] << 32) + | |
838 | ((UV) s[uoffset + 4] << 24) + | |
839 | ((UV) s[uoffset + 5] << 16) + | |
840 | ( s[uoffset + 6] << 8); | |
c5a0f51a JH |
841 | } |
842 | #endif | |
81e118e0 JH |
843 | } |
844 | } | |
845 | else if (size < 8) | |
bbb8a7e0 | 846 | retnum = (s[uoffset] >> bitoffs) & ((1 << size) - 1); |
81e118e0 | 847 | else { |
81e118e0 | 848 | if (size == 8) |
bb7a0f54 | 849 | retnum = s[uoffset]; |
81e118e0 JH |
850 | else if (size == 16) |
851 | retnum = | |
bb7a0f54 MHM |
852 | ((UV) s[uoffset] << 8) + |
853 | s[uoffset + 1]; | |
81e118e0 JH |
854 | else if (size == 32) |
855 | retnum = | |
bb7a0f54 MHM |
856 | ((UV) s[uoffset ] << 24) + |
857 | ((UV) s[uoffset + 1] << 16) + | |
858 | ( s[uoffset + 2] << 8) + | |
859 | s[uoffset + 3]; | |
d7d93a81 | 860 | #ifdef UV_IS_QUAD |
c5a0f51a | 861 | else if (size == 64) { |
c5a0f51a | 862 | if (ckWARN(WARN_PORTABLE)) |
9014280d | 863 | Perl_warner(aTHX_ packWARN(WARN_PORTABLE), |
c5a0f51a JH |
864 | "Bit vector size > 32 non-portable"); |
865 | retnum = | |
bb7a0f54 MHM |
866 | ((UV) s[uoffset ] << 56) + |
867 | ((UV) s[uoffset + 1] << 48) + | |
868 | ((UV) s[uoffset + 2] << 40) + | |
869 | ((UV) s[uoffset + 3] << 32) + | |
870 | ((UV) s[uoffset + 4] << 24) + | |
871 | ((UV) s[uoffset + 5] << 16) + | |
872 | ( s[uoffset + 6] << 8) + | |
873 | s[uoffset + 7]; | |
c5a0f51a JH |
874 | } |
875 | #endif | |
81e118e0 JH |
876 | } |
877 | ||
878 | return retnum; | |
879 | } | |
880 | ||
33b45480 SB |
881 | /* currently converts input to bytes if possible but doesn't sweat failures, |
882 | * although it does ensure that the string it clobbers is not marked as | |
883 | * utf8-valid any more | |
884 | */ | |
79072805 | 885 | void |
864dbfa3 | 886 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 | 887 | { |
97aff369 | 888 | dVAR; |
bbb8a7e0 | 889 | register I32 offset, bitoffs = 0; |
79072805 | 890 | register I32 size; |
8990e307 | 891 | register unsigned char *s; |
81e118e0 | 892 | register UV lval; |
79072805 | 893 | I32 mask; |
a0d0e21e LW |
894 | STRLEN targlen; |
895 | STRLEN len; | |
c4420975 | 896 | SV * const targ = LvTARG(sv); |
79072805 | 897 | |
8990e307 LW |
898 | if (!targ) |
899 | return; | |
a0d0e21e | 900 | s = (unsigned char*)SvPV_force(targ, targlen); |
246fae53 | 901 | if (SvUTF8(targ)) { |
33b45480 SB |
902 | /* This is handled by the SvPOK_only below... |
903 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) | |
904 | SvUTF8_off(targ); | |
905 | */ | |
906 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); | |
246fae53 MG |
907 | } |
908 | ||
4ebbc975 | 909 | (void)SvPOK_only(targ); |
81e118e0 | 910 | lval = SvUV(sv); |
79072805 | 911 | offset = LvTARGOFF(sv); |
fe58ced6 | 912 | if (offset < 0) |
ed9aa3b7 | 913 | Perl_croak(aTHX_ "Negative offset to vec in lvalue context"); |
79072805 | 914 | size = LvTARGLEN(sv); |
8e84507e | 915 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 916 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
8e84507e | 917 | |
bbb8a7e0 MHM |
918 | if (size < 8) { |
919 | bitoffs = ((offset%8)*size)%8; | |
920 | offset /= 8/size; | |
921 | } | |
922 | else if (size > 8) | |
923 | offset *= size/8; | |
924 | ||
925 | len = offset + (bitoffs + size + 7)/8; /* required number of bytes */ | |
a0d0e21e LW |
926 | if (len > targlen) { |
927 | s = (unsigned char*)SvGROW(targ, len + 1); | |
12ae5dfc | 928 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e LW |
929 | SvCUR_set(targ, len); |
930 | } | |
8e84507e | 931 | |
79072805 LW |
932 | if (size < 8) { |
933 | mask = (1 << size) - 1; | |
79072805 | 934 | lval &= mask; |
bbb8a7e0 MHM |
935 | s[offset] &= ~(mask << bitoffs); |
936 | s[offset] |= lval << bitoffs; | |
79072805 LW |
937 | } |
938 | else { | |
939 | if (size == 8) | |
eb160463 | 940 | s[offset ] = (U8)( lval & 0xff); |
79072805 | 941 | else if (size == 16) { |
eb160463 GS |
942 | s[offset ] = (U8)((lval >> 8) & 0xff); |
943 | s[offset+1] = (U8)( lval & 0xff); | |
79072805 LW |
944 | } |
945 | else if (size == 32) { | |
eb160463 GS |
946 | s[offset ] = (U8)((lval >> 24) & 0xff); |
947 | s[offset+1] = (U8)((lval >> 16) & 0xff); | |
948 | s[offset+2] = (U8)((lval >> 8) & 0xff); | |
949 | s[offset+3] = (U8)( lval & 0xff); | |
c5a0f51a | 950 | } |
d7d93a81 | 951 | #ifdef UV_IS_QUAD |
c5a0f51a | 952 | else if (size == 64) { |
c5a0f51a | 953 | if (ckWARN(WARN_PORTABLE)) |
9014280d | 954 | Perl_warner(aTHX_ packWARN(WARN_PORTABLE), |
c5a0f51a | 955 | "Bit vector size > 32 non-portable"); |
eb160463 GS |
956 | s[offset ] = (U8)((lval >> 56) & 0xff); |
957 | s[offset+1] = (U8)((lval >> 48) & 0xff); | |
958 | s[offset+2] = (U8)((lval >> 40) & 0xff); | |
959 | s[offset+3] = (U8)((lval >> 32) & 0xff); | |
960 | s[offset+4] = (U8)((lval >> 24) & 0xff); | |
961 | s[offset+5] = (U8)((lval >> 16) & 0xff); | |
962 | s[offset+6] = (U8)((lval >> 8) & 0xff); | |
963 | s[offset+7] = (U8)( lval & 0xff); | |
79072805 | 964 | } |
dc1e3f56 | 965 | #endif |
79072805 | 966 | } |
7bb043c3 | 967 | SvSETMAGIC(targ); |
79072805 LW |
968 | } |
969 | ||
970 | void | |
864dbfa3 | 971 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 | 972 | { |
97aff369 | 973 | dVAR; |
463ee0b2 | 974 | STRLEN len; |
a0d0e21e | 975 | char *s; |
8e84507e | 976 | |
79072805 | 977 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e | 978 | register I32 i; |
c4420975 | 979 | AV* const av = (AV*)sv; |
f54cb97a AL |
980 | const I32 max = AvFILL(av); |
981 | ||
982 | for (i = 0; i <= max; i++) { | |
a0d0e21e | 983 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 | 984 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
985 | do_chop(astr, sv); |
986 | } | |
987 | return; | |
79072805 | 988 | } |
aa854799 | 989 | else if (SvTYPE(sv) == SVt_PVHV) { |
c4420975 | 990 | HV* const hv = (HV*)sv; |
a0d0e21e LW |
991 | HE* entry; |
992 | (void)hv_iterinit(hv); | |
155aba94 | 993 | while ((entry = hv_iternext(hv))) |
a0d0e21e LW |
994 | do_chop(astr,hv_iterval(hv,entry)); |
995 | return; | |
79072805 | 996 | } |
991e6d41 NC |
997 | else if (SvREADONLY(sv)) { |
998 | if (SvFAKE(sv)) { | |
999 | /* SV is copy-on-write */ | |
1000 | sv_force_normal_flags(sv, 0); | |
1001 | } | |
1002 | if (SvREADONLY(sv)) | |
1003 | Perl_croak(aTHX_ PL_no_modify); | |
1004 | } | |
565a3db3 RGS |
1005 | |
1006 | if (PL_encoding && !SvUTF8(sv)) { | |
1007 | /* like in do_chomp(), utf8-ize the sv as a side-effect | |
1008 | * if we're using encoding. */ | |
1009 | sv_recode_to_utf8(sv, PL_encoding); | |
1010 | } | |
1011 | ||
a0d0e21e | 1012 | s = SvPV(sv, len); |
748a9306 | 1013 | if (len && !SvPOK(sv)) |
a0d0e21e | 1014 | s = SvPV_force(sv, len); |
7e2040f0 | 1015 | if (DO_UTF8(sv)) { |
a0ed51b3 | 1016 | if (s && len) { |
c4420975 | 1017 | char * const send = s + len; |
0bcc34c2 | 1018 | char * const start = s; |
a0ed51b3 | 1019 | s = send - 1; |
a0dbb045 JH |
1020 | while (s > start && UTF8_IS_CONTINUATION(*s)) |
1021 | s--; | |
ace7757b | 1022 | if (is_utf8_string((U8*)s, send - s)) { |
a0dbb045 JH |
1023 | sv_setpvn(astr, s, send - s); |
1024 | *s = '\0'; | |
1025 | SvCUR_set(sv, s - start); | |
1026 | SvNIOK_off(sv); | |
1027 | SvUTF8_on(astr); | |
1028 | } | |
a0ed51b3 LW |
1029 | } |
1030 | else | |
1031 | sv_setpvn(astr, "", 0); | |
1032 | } | |
7e2040f0 | 1033 | else if (s && len) { |
a0d0e21e LW |
1034 | s += --len; |
1035 | sv_setpvn(astr, s, 1); | |
1036 | *s = '\0'; | |
1037 | SvCUR_set(sv, len); | |
2c19a612 | 1038 | SvUTF8_off(sv); |
a0d0e21e | 1039 | SvNIOK_off(sv); |
79072805 LW |
1040 | } |
1041 | else | |
a0d0e21e LW |
1042 | sv_setpvn(astr, "", 0); |
1043 | SvSETMAGIC(sv); | |
7e2040f0 | 1044 | } |
a0d0e21e LW |
1045 | |
1046 | I32 | |
864dbfa3 | 1047 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e | 1048 | { |
97aff369 | 1049 | dVAR; |
c07a80fd | 1050 | register I32 count; |
a0d0e21e LW |
1051 | STRLEN len; |
1052 | char *s; | |
c4c87a06 | 1053 | char *temp_buffer = NULL; |
a0714e2c | 1054 | SV* svrecode = NULL; |
c07a80fd | 1055 | |
3280af22 | 1056 | if (RsSNARF(PL_rs)) |
c07a80fd | 1057 | return 0; |
4c5a6083 GS |
1058 | if (RsRECORD(PL_rs)) |
1059 | return 0; | |
c07a80fd | 1060 | count = 0; |
a0d0e21e LW |
1061 | if (SvTYPE(sv) == SVt_PVAV) { |
1062 | register I32 i; | |
890ce7af | 1063 | AV* const av = (AV*)sv; |
f54cb97a AL |
1064 | const I32 max = AvFILL(av); |
1065 | ||
1066 | for (i = 0; i <= max; i++) { | |
a0d0e21e | 1067 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 | 1068 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
1069 | count += do_chomp(sv); |
1070 | } | |
1071 | return count; | |
1072 | } | |
aa854799 | 1073 | else if (SvTYPE(sv) == SVt_PVHV) { |
890ce7af | 1074 | HV* const hv = (HV*)sv; |
a0d0e21e LW |
1075 | HE* entry; |
1076 | (void)hv_iterinit(hv); | |
155aba94 | 1077 | while ((entry = hv_iternext(hv))) |
a0d0e21e LW |
1078 | count += do_chomp(hv_iterval(hv,entry)); |
1079 | return count; | |
1080 | } | |
991e6d41 NC |
1081 | else if (SvREADONLY(sv)) { |
1082 | if (SvFAKE(sv)) { | |
1083 | /* SV is copy-on-write */ | |
1084 | sv_force_normal_flags(sv, 0); | |
1085 | } | |
1086 | if (SvREADONLY(sv)) | |
1087 | Perl_croak(aTHX_ PL_no_modify); | |
1088 | } | |
a6aa349d TS |
1089 | |
1090 | if (PL_encoding) { | |
1091 | if (!SvUTF8(sv)) { | |
1092 | /* XXX, here sv is utf8-ized as a side-effect! | |
1093 | If encoding.pm is used properly, almost string-generating | |
1094 | operations, including literal strings, chr(), input data, etc. | |
1095 | should have been utf8-ized already, right? | |
1096 | */ | |
1097 | sv_recode_to_utf8(sv, PL_encoding); | |
1098 | } | |
1099 | } | |
1100 | ||
a0d0e21e | 1101 | s = SvPV(sv, len); |
a0d0e21e LW |
1102 | if (s && len) { |
1103 | s += --len; | |
3280af22 | 1104 | if (RsPARA(PL_rs)) { |
a0d0e21e LW |
1105 | if (*s != '\n') |
1106 | goto nope; | |
1107 | ++count; | |
1108 | while (len && s[-1] == '\n') { | |
1109 | --len; | |
1110 | --s; | |
1111 | ++count; | |
1112 | } | |
1113 | } | |
a0d0e21e | 1114 | else { |
a6aa349d | 1115 | STRLEN rslen, rs_charlen; |
93524f2b | 1116 | const char *rsptr = SvPV_const(PL_rs, rslen); |
a6aa349d TS |
1117 | |
1118 | rs_charlen = SvUTF8(PL_rs) | |
1119 | ? sv_len_utf8(PL_rs) | |
1120 | : rslen; | |
1121 | ||
c4c87a06 NC |
1122 | if (SvUTF8(PL_rs) != SvUTF8(sv)) { |
1123 | /* Assumption is that rs is shorter than the scalar. */ | |
1124 | if (SvUTF8(PL_rs)) { | |
1125 | /* RS is utf8, scalar is 8 bit. */ | |
1126 | bool is_utf8 = TRUE; | |
1127 | temp_buffer = (char*)bytes_from_utf8((U8*)rsptr, | |
1128 | &rslen, &is_utf8); | |
1129 | if (is_utf8) { | |
1130 | /* Cannot downgrade, therefore cannot possibly match | |
1131 | */ | |
1132 | assert (temp_buffer == rsptr); | |
1133 | temp_buffer = NULL; | |
1134 | goto nope; | |
1135 | } | |
1136 | rsptr = temp_buffer; | |
a6aa349d TS |
1137 | } |
1138 | else if (PL_encoding) { | |
1139 | /* RS is 8 bit, encoding.pm is used. | |
1140 | * Do not recode PL_rs as a side-effect. */ | |
1141 | svrecode = newSVpvn(rsptr, rslen); | |
1142 | sv_recode_to_utf8(svrecode, PL_encoding); | |
93524f2b | 1143 | rsptr = SvPV_const(svrecode, rslen); |
a6aa349d TS |
1144 | rs_charlen = sv_len_utf8(svrecode); |
1145 | } | |
1146 | else { | |
c4c87a06 NC |
1147 | /* RS is 8 bit, scalar is utf8. */ |
1148 | temp_buffer = (char*)bytes_to_utf8((U8*)rsptr, &rslen); | |
1149 | rsptr = temp_buffer; | |
1150 | } | |
1151 | } | |
c07a80fd | 1152 | if (rslen == 1) { |
1153 | if (*s != *rsptr) | |
1154 | goto nope; | |
1155 | ++count; | |
1156 | } | |
1157 | else { | |
8c2cee6f | 1158 | if (len < rslen - 1) |
c07a80fd | 1159 | goto nope; |
1160 | len -= rslen - 1; | |
1161 | s -= rslen - 1; | |
36477c24 | 1162 | if (memNE(s, rsptr, rslen)) |
c07a80fd | 1163 | goto nope; |
a6aa349d | 1164 | count += rs_charlen; |
c07a80fd | 1165 | } |
a0d0e21e | 1166 | } |
8b6b16e7 | 1167 | s = SvPV_force_nolen(sv); |
a0d0e21e | 1168 | SvCUR_set(sv, len); |
9b33ce3b | 1169 | *SvEND(sv) = '\0'; |
a0d0e21e | 1170 | SvNIOK_off(sv); |
9b33ce3b | 1171 | SvSETMAGIC(sv); |
a0d0e21e LW |
1172 | } |
1173 | nope: | |
a6aa349d TS |
1174 | |
1175 | if (svrecode) | |
1176 | SvREFCNT_dec(svrecode); | |
1177 | ||
c4c87a06 | 1178 | Safefree(temp_buffer); |
a0d0e21e | 1179 | return count; |
8e84507e | 1180 | } |
79072805 LW |
1181 | |
1182 | void | |
864dbfa3 | 1183 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 | 1184 | { |
97aff369 | 1185 | dVAR; |
79072805 LW |
1186 | #ifdef LIBERAL |
1187 | register long *dl; | |
1188 | register long *ll; | |
1189 | register long *rl; | |
1190 | #endif | |
1191 | register char *dc; | |
463ee0b2 LW |
1192 | STRLEN leftlen; |
1193 | STRLEN rightlen; | |
e62f0680 NC |
1194 | register const char *lc; |
1195 | register const char *rc; | |
bb7a0f54 MHM |
1196 | register STRLEN len; |
1197 | STRLEN lensave; | |
e62f0680 NC |
1198 | const char *lsave; |
1199 | const char *rsave; | |
12abf4f0 NC |
1200 | bool left_utf; |
1201 | bool right_utf; | |
bb7a0f54 | 1202 | STRLEN needlen = 0; |
0c57e439 | 1203 | |
79072805 | 1204 | |
1fbd88dc CS |
1205 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
1206 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ | |
e62f0680 NC |
1207 | lsave = lc = SvPV_nomg_const(left, leftlen); |
1208 | rsave = rc = SvPV_nomg_const(right, rightlen); | |
12abf4f0 NC |
1209 | |
1210 | /* This need to come after SvPV to ensure that string overloading has | |
1211 | fired off. */ | |
1212 | ||
1213 | left_utf = DO_UTF8(left); | |
1214 | right_utf = DO_UTF8(right); | |
1215 | ||
1216 | if (left_utf && !right_utf) { | |
1217 | /* Avoid triggering overloading again by using temporaries. | |
1218 | Maybe there should be a variant of sv_utf8_upgrade that takes pvn | |
1219 | */ | |
1220 | right = sv_2mortal(newSVpvn(rsave, rightlen)); | |
1221 | sv_utf8_upgrade(right); | |
1222 | rsave = rc = SvPV_nomg_const(right, rightlen); | |
1223 | right_utf = TRUE; | |
1224 | } | |
1225 | else if (!left_utf && right_utf) { | |
1226 | left = sv_2mortal(newSVpvn(lsave, leftlen)); | |
1227 | sv_utf8_upgrade(left); | |
1228 | lsave = lc = SvPV_nomg_const(left, leftlen); | |
1229 | left_utf = TRUE; | |
1230 | } | |
1231 | ||
93a17b20 | 1232 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e | 1233 | lensave = len; |
9fdd7463 JH |
1234 | SvCUR_set(sv, len); |
1235 | (void)SvPOK_only(sv); | |
c9b3c8d0 JH |
1236 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
1237 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; | |
a02a5408 | 1238 | Newxz(dc, needlen + 1, char); |
c9b3c8d0 JH |
1239 | } |
1240 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { | |
2596d9fe | 1241 | dc = SvPV_force_nomg_nolen(sv); |
bb7a0f54 MHM |
1242 | if (SvLEN(sv) < len + 1) { |
1243 | dc = SvGROW(sv, len + 1); | |
ff68c719 | 1244 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
1245 | } | |
c9b3c8d0 JH |
1246 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
1247 | dc = SvGROW(sv, leftlen + rightlen + 1); | |
ff68c719 | 1248 | } |
1249 | else { | |
bb7a0f54 MHM |
1250 | needlen = optype == OP_BIT_AND |
1251 | ? len : (leftlen > rightlen ? leftlen : rightlen); | |
a02a5408 | 1252 | Newxz(dc, needlen + 1, char); |
aa0a69cb | 1253 | sv_usepvn_flags(sv, dc, needlen, SV_HAS_TRAILING_NUL); |
ff68c719 | 1254 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 | 1255 | } |
0c57e439 GS |
1256 | if (left_utf || right_utf) { |
1257 | UV duc, luc, ruc; | |
794a0d33 JH |
1258 | char *dcorig = dc; |
1259 | char *dcsave = NULL; | |
0c57e439 GS |
1260 | STRLEN lulen = leftlen; |
1261 | STRLEN rulen = rightlen; | |
ba210ebe | 1262 | STRLEN ulen; |
0c57e439 GS |
1263 | |
1264 | switch (optype) { | |
1265 | case OP_BIT_AND: | |
1266 | while (lulen && rulen) { | |
9041c2e3 | 1267 | luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1268 | lc += ulen; |
1269 | lulen -= ulen; | |
9041c2e3 | 1270 | ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1271 | rc += ulen; |
1272 | rulen -= ulen; | |
1273 | duc = luc & ruc; | |
9041c2e3 | 1274 | dc = (char*)uvchr_to_utf8((U8*)dc, duc); |
0c57e439 | 1275 | } |
3ce4c532 NC |
1276 | if (sv == left || sv == right) |
1277 | (void)sv_usepvn(sv, dcorig, needlen); | |
794a0d33 | 1278 | SvCUR_set(sv, dc - dcorig); |
0c57e439 GS |
1279 | break; |
1280 | case OP_BIT_XOR: | |
1281 | while (lulen && rulen) { | |
9041c2e3 | 1282 | luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1283 | lc += ulen; |
1284 | lulen -= ulen; | |
9041c2e3 | 1285 | ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1286 | rc += ulen; |
1287 | rulen -= ulen; | |
1288 | duc = luc ^ ruc; | |
9041c2e3 | 1289 | dc = (char*)uvchr_to_utf8((U8*)dc, duc); |
0c57e439 GS |
1290 | } |
1291 | goto mop_up_utf; | |
1292 | case OP_BIT_OR: | |
1293 | while (lulen && rulen) { | |
9041c2e3 | 1294 | luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1295 | lc += ulen; |
1296 | lulen -= ulen; | |
9041c2e3 | 1297 | ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1298 | rc += ulen; |
1299 | rulen -= ulen; | |
1300 | duc = luc | ruc; | |
9041c2e3 | 1301 | dc = (char*)uvchr_to_utf8((U8*)dc, duc); |
0c57e439 GS |
1302 | } |
1303 | mop_up_utf: | |
794a0d33 JH |
1304 | if (rulen) |
1305 | dcsave = savepvn(rc, rulen); | |
1306 | else if (lulen) | |
1307 | dcsave = savepvn(lc, lulen); | |
3ce4c532 | 1308 | if (sv == left || sv == right) |
794a0d33 JH |
1309 | (void)sv_usepvn(sv, dcorig, needlen); /* Uses Renew(). */ |
1310 | SvCUR_set(sv, dc - dcorig); | |
0c57e439 | 1311 | if (rulen) |
794a0d33 | 1312 | sv_catpvn(sv, dcsave, rulen); |
0c57e439 | 1313 | else if (lulen) |
794a0d33 | 1314 | sv_catpvn(sv, dcsave, lulen); |
0c57e439 GS |
1315 | else |
1316 | *SvEND(sv) = '\0'; | |
794a0d33 | 1317 | Safefree(dcsave); |
0c57e439 | 1318 | break; |
41547412 NC |
1319 | default: |
1320 | if (sv == left || sv == right) | |
1321 | Safefree(dcorig); | |
c395bd6c AL |
1322 | Perl_croak(aTHX_ "panic: do_vop called for op %u (%s)", |
1323 | (unsigned)optype, PL_op_name[optype]); | |
0c57e439 GS |
1324 | } |
1325 | SvUTF8_on(sv); | |
1326 | goto finish; | |
1327 | } | |
1328 | else | |
79072805 LW |
1329 | #ifdef LIBERAL |
1330 | if (len >= sizeof(long)*4 && | |
bb7a0f54 MHM |
1331 | !((unsigned long)dc % sizeof(long)) && |
1332 | !((unsigned long)lc % sizeof(long)) && | |
1333 | !((unsigned long)rc % sizeof(long))) /* It's almost always aligned... */ | |
79072805 | 1334 | { |
bb7a0f54 | 1335 | const STRLEN remainder = len % (sizeof(long)*4); |
79072805 LW |
1336 | len /= (sizeof(long)*4); |
1337 | ||
1338 | dl = (long*)dc; | |
1339 | ll = (long*)lc; | |
1340 | rl = (long*)rc; | |
1341 | ||
1342 | switch (optype) { | |
1343 | case OP_BIT_AND: | |
1344 | while (len--) { | |
1345 | *dl++ = *ll++ & *rl++; | |
1346 | *dl++ = *ll++ & *rl++; | |
1347 | *dl++ = *ll++ & *rl++; | |
1348 | *dl++ = *ll++ & *rl++; | |
1349 | } | |
1350 | break; | |
a0d0e21e | 1351 | case OP_BIT_XOR: |
79072805 LW |
1352 | while (len--) { |
1353 | *dl++ = *ll++ ^ *rl++; | |
1354 | *dl++ = *ll++ ^ *rl++; | |
1355 | *dl++ = *ll++ ^ *rl++; | |
1356 | *dl++ = *ll++ ^ *rl++; | |
1357 | } | |
1358 | break; | |
1359 | case OP_BIT_OR: | |
1360 | while (len--) { | |
1361 | *dl++ = *ll++ | *rl++; | |
1362 | *dl++ = *ll++ | *rl++; | |
1363 | *dl++ = *ll++ | *rl++; | |
1364 | *dl++ = *ll++ | *rl++; | |
1365 | } | |
1366 | } | |
1367 | ||
1368 | dc = (char*)dl; | |
1369 | lc = (char*)ll; | |
1370 | rc = (char*)rl; | |
1371 | ||
1372 | len = remainder; | |
1373 | } | |
1374 | #endif | |
a0d0e21e | 1375 | { |
a0d0e21e LW |
1376 | switch (optype) { |
1377 | case OP_BIT_AND: | |
1378 | while (len--) | |
1379 | *dc++ = *lc++ & *rc++; | |
1a787b95 | 1380 | *dc = '\0'; |
a0d0e21e LW |
1381 | break; |
1382 | case OP_BIT_XOR: | |
1383 | while (len--) | |
1384 | *dc++ = *lc++ ^ *rc++; | |
1385 | goto mop_up; | |
1386 | case OP_BIT_OR: | |
1387 | while (len--) | |
1388 | *dc++ = *lc++ | *rc++; | |
1389 | mop_up: | |
1390 | len = lensave; | |
bb7a0f54 | 1391 | if (rightlen > len) |
a0d0e21e | 1392 | sv_catpvn(sv, rsave + len, rightlen - len); |
eb160463 | 1393 | else if (leftlen > (STRLEN)len) |
a0d0e21e | 1394 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 LW |
1395 | else |
1396 | *SvEND(sv) = '\0'; | |
a0d0e21e LW |
1397 | break; |
1398 | } | |
79072805 | 1399 | } |
0c57e439 | 1400 | finish: |
fb73857a | 1401 | SvTAINT(sv); |
79072805 | 1402 | } |
463ee0b2 LW |
1403 | |
1404 | OP * | |
cea2e8a9 | 1405 | Perl_do_kv(pTHX) |
463ee0b2 | 1406 | { |
97aff369 | 1407 | dVAR; |
39644a26 | 1408 | dSP; |
c4420975 | 1409 | HV * const hv = (HV*)POPs; |
800e9ae0 | 1410 | HV *keys; |
463ee0b2 | 1411 | register HE *entry; |
f54cb97a AL |
1412 | const I32 gimme = GIMME_V; |
1413 | const I32 dokv = (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV); | |
1414 | const I32 dokeys = dokv || (PL_op->op_type == OP_KEYS); | |
1415 | const I32 dovalues = dokv || (PL_op->op_type == OP_VALUES); | |
463ee0b2 | 1416 | |
85581909 | 1417 | if (!hv) { |
78f9721b | 1418 | if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */ |
85581909 SB |
1419 | dTARGET; /* make sure to clear its target here */ |
1420 | if (SvTYPE(TARG) == SVt_PVLV) | |
a0714e2c | 1421 | LvTARG(TARG) = NULL; |
85581909 SB |
1422 | PUSHs(TARG); |
1423 | } | |
463ee0b2 | 1424 | RETURN; |
85581909 | 1425 | } |
748a9306 | 1426 | |
6d822dc4 | 1427 | keys = hv; |
800e9ae0 | 1428 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 | 1429 | |
54310121 | 1430 | if (gimme == G_VOID) |
aa689395 | 1431 | RETURN; |
1432 | ||
54310121 | 1433 | if (gimme == G_SCALAR) { |
6ee623d5 | 1434 | IV i; |
463ee0b2 LW |
1435 | dTARGET; |
1436 | ||
78f9721b | 1437 | if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */ |
85581909 SB |
1438 | if (SvTYPE(TARG) < SVt_PVLV) { |
1439 | sv_upgrade(TARG, SVt_PVLV); | |
a0714e2c | 1440 | sv_magic(TARG, NULL, PERL_MAGIC_nkeys, NULL, 0); |
85581909 SB |
1441 | } |
1442 | LvTYPE(TARG) = 'k'; | |
800e9ae0 | 1443 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 GS |
1444 | if (LvTARG(TARG)) |
1445 | SvREFCNT_dec(LvTARG(TARG)); | |
b37c2d43 | 1446 | LvTARG(TARG) = SvREFCNT_inc_simple(keys); |
6ff81951 | 1447 | } |
85581909 SB |
1448 | PUSHs(TARG); |
1449 | RETURN; | |
1450 | } | |
1451 | ||
44a2ac75 | 1452 | if (! SvTIED_mg((SV*)keys, PERL_MAGIC_tied) ) |
81714fb9 | 1453 | { |
a98face1 | 1454 | i = HvKEYS(keys); |
81714fb9 | 1455 | } |
463ee0b2 LW |
1456 | else { |
1457 | i = 0; | |
800e9ae0 | 1458 | while (hv_iternext(keys)) i++; |
463ee0b2 LW |
1459 | } |
1460 | PUSHi( i ); | |
1461 | RETURN; | |
1462 | } | |
1463 | ||
8ed4b672 | 1464 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 | 1465 | |
463ee0b2 | 1466 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 | 1467 | while ((entry = hv_iternext(keys))) { |
463ee0b2 | 1468 | SPAGAIN; |
574c8022 | 1469 | if (dokeys) { |
890ce7af | 1470 | SV* const sv = hv_iterkeysv(entry); |
574c8022 JH |
1471 | XPUSHs(sv); /* won't clobber stack_sp */ |
1472 | } | |
463ee0b2 | 1473 | if (dovalues) { |
f54cb97a | 1474 | SV *tmpstr; |
463ee0b2 | 1475 | PUTBACK; |
6d822dc4 | 1476 | tmpstr = hv_iterval(hv,entry); |
cea2e8a9 | 1477 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c | 1478 | (unsigned long)HeHASH(entry), |
cdd3ba14 | 1479 | (int)HvMAX(keys)+1, |
800e9ae0 | 1480 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 | 1481 | SPAGAIN; |
46fc3d4c | 1482 | XPUSHs(tmpstr); |
463ee0b2 LW |
1483 | } |
1484 | PUTBACK; | |
1485 | } | |
1486 | return NORMAL; | |
1487 | } | |
4e35701f | 1488 | |
af3babe4 NC |
1489 | /* |
1490 | * Local variables: | |
1491 | * c-indentation-style: bsd | |
1492 | * c-basic-offset: 4 | |
1493 | * indent-tabs-mode: t | |
1494 | * End: | |
1495 | * | |
37442d52 RGS |
1496 | * ex: set ts=8 sts=4 sw=4 noet: |
1497 | */ |