Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* doop.c |
79072805 | 2 | * |
3818b22b | 3 | * Copyright (c) 1991-2000, Larry Wall |
79072805 LW |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public | |
6 | * License or the Artistic License, as specified in the README file. | |
7 | * | |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "'So that was the job I felt I had to do when I started,' thought Sam." | |
79072805 LW |
12 | */ |
13 | ||
14 | #include "EXTERN.h" | |
864dbfa3 | 15 | #define PERL_IN_DOOP_C |
79072805 LW |
16 | #include "perl.h" |
17 | ||
64ca3a65 | 18 | #ifndef PERL_MICRO |
79072805 LW |
19 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
20 | #include <signal.h> | |
21 | #endif | |
64ca3a65 | 22 | #endif |
79072805 | 23 | |
942e002e | 24 | STATIC I32 |
b250498f | 25 | S_do_trans_simple(pTHX_ SV *sv) |
79072805 | 26 | { |
4757a243 | 27 | U8 *s; |
b250498f | 28 | U8 *d; |
4757a243 | 29 | U8 *send; |
b250498f | 30 | U8 *dstart; |
4757a243 | 31 | I32 matches = 0; |
463ee0b2 | 32 | STRLEN len; |
4757a243 LW |
33 | short *tbl; |
34 | I32 ch; | |
79072805 | 35 | |
4757a243 LW |
36 | tbl = (short*)cPVOP->op_pv; |
37 | if (!tbl) | |
2269b42e | 38 | Perl_croak(aTHX_ "panic: do_trans_simple"); |
a0ed51b3 | 39 | |
4757a243 LW |
40 | s = (U8*)SvPV(sv, len); |
41 | send = s + len; | |
42 | ||
b250498f | 43 | /* First, take care of non-UTF8 input strings, because they're easy */ |
60aeb6fd | 44 | if (!SvUTF8(sv)) { |
01ec43d0 | 45 | while (s < send) { |
036b4402 | 46 | if ((ch = tbl[*s]) >= 0) { |
01ec43d0 GS |
47 | matches++; |
48 | *s++ = ch; | |
49 | } | |
50 | else | |
51 | s++; | |
52 | } | |
53 | SvSETMAGIC(sv); | |
b250498f GS |
54 | return matches; |
55 | } | |
4757a243 | 56 | |
b250498f GS |
57 | /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ |
58 | Newz(0, d, len*2+1, U8); | |
59 | dstart = d; | |
60 | while (s < send) { | |
ba210ebe | 61 | STRLEN ulen; |
b250498f GS |
62 | short c; |
63 | ||
64 | ulen = 1; | |
65 | /* Need to check this, otherwise 128..255 won't match */ | |
dcad2880 | 66 | c = utf8_to_uv(s, send - s, &ulen, 0); |
b250498f GS |
67 | if (c < 0x100 && (ch = tbl[(short)c]) >= 0) { |
68 | matches++; | |
60aeb6fd NIS |
69 | if (ch < 0x80) |
70 | *d++ = ch; | |
71 | else | |
72 | d = uv_to_utf8(d,ch); | |
b250498f | 73 | s += ulen; |
01ec43d0 GS |
74 | } |
75 | else { /* No match -> copy */ | |
b250498f GS |
76 | while (ulen--) |
77 | *d++ = *s++; | |
78 | } | |
79 | } | |
01ec43d0 | 80 | *d = '\0'; |
60aeb6fd | 81 | sv_setpvn(sv, (char*)dstart, d - dstart); |
b250498f | 82 | SvUTF8_on(sv); |
b250498f | 83 | SvSETMAGIC(sv); |
4757a243 LW |
84 | return matches; |
85 | } | |
86 | ||
942e002e | 87 | STATIC I32 |
036b4402 | 88 | S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 | 89 | { |
4757a243 LW |
90 | U8 *s; |
91 | U8 *send; | |
92 | I32 matches = 0; | |
93 | STRLEN len; | |
94 | short *tbl; | |
95 | ||
96 | tbl = (short*)cPVOP->op_pv; | |
97 | if (!tbl) | |
2269b42e | 98 | Perl_croak(aTHX_ "panic: do_trans_count"); |
4757a243 LW |
99 | |
100 | s = (U8*)SvPV(sv, len); | |
101 | send = s + len; | |
102 | ||
60aeb6fd NIS |
103 | if (!SvUTF8(sv)) |
104 | while (s < send) { | |
105 | if (tbl[*s++] >= 0) | |
036b4402 | 106 | matches++; |
60aeb6fd NIS |
107 | } |
108 | else | |
109 | while (s < send) { | |
110 | UV c; | |
111 | STRLEN ulen; | |
112 | c = utf8_to_uv(s, send - s, &ulen, 0); | |
113 | if (c < 0x100 && tbl[c] >= 0) | |
114 | matches++; | |
115 | s += ulen; | |
116 | } | |
4757a243 LW |
117 | |
118 | return matches; | |
119 | } | |
120 | ||
942e002e | 121 | STATIC I32 |
b250498f | 122 | S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */ |
4757a243 | 123 | { |
4757a243 LW |
124 | U8 *s; |
125 | U8 *send; | |
126 | U8 *d; | |
5e44153e | 127 | U8 *dstart; |
60aeb6fd | 128 | I32 isutf8; |
4757a243 LW |
129 | I32 matches = 0; |
130 | STRLEN len; | |
131 | short *tbl; | |
132 | I32 ch; | |
133 | ||
134 | tbl = (short*)cPVOP->op_pv; | |
135 | if (!tbl) | |
2269b42e | 136 | Perl_croak(aTHX_ "panic: do_trans_complex"); |
4757a243 LW |
137 | |
138 | s = (U8*)SvPV(sv, len); | |
60aeb6fd | 139 | isutf8 = SvUTF8(sv); |
4757a243 LW |
140 | send = s + len; |
141 | ||
60aeb6fd NIS |
142 | if (!isutf8) { |
143 | dstart = d = s; | |
144 | if (PL_op->op_private & OPpTRANS_SQUASH) { | |
145 | U8* p = send; | |
146 | while (s < send) { | |
147 | if ((ch = tbl[*s]) >= 0) { | |
036b4402 GS |
148 | *d = ch; |
149 | matches++; | |
60aeb6fd NIS |
150 | if (p != d - 1 || *p != *d) |
151 | p = d++; | |
152 | } | |
153 | else if (ch == -1) /* -1 is unmapped character */ | |
154 | *d++ = *s; | |
155 | else if (ch == -2) /* -2 is delete character */ | |
156 | matches++; | |
157 | s++; | |
158 | } | |
a0ed51b3 | 159 | } |
60aeb6fd NIS |
160 | else { |
161 | while (s < send) { | |
162 | if ((ch = tbl[*s]) >= 0) { | |
163 | matches++; | |
164 | *d++ = ch; | |
165 | } | |
166 | else if (ch == -1) /* -1 is unmapped character */ | |
167 | *d++ = *s; | |
168 | else if (ch == -2) /* -2 is delete character */ | |
169 | matches++; | |
170 | s++; | |
171 | } | |
172 | } | |
173 | SvCUR_set(sv, d - dstart); | |
4757a243 | 174 | } |
60aeb6fd NIS |
175 | else { /* isutf8 */ |
176 | Newz(0, d, len*2+1, U8); | |
177 | dstart = d; | |
178 | ||
179 | if (PL_op->op_private & OPpTRANS_SQUASH) { | |
180 | U8* p = send; | |
181 | UV pch = 0xfeedface; | |
182 | while (s < send) { | |
183 | STRLEN len; | |
184 | UV comp = utf8_to_uv_simple(s, &len); | |
185 | ||
186 | if (comp > 0xff) | |
187 | d = uv_to_utf8(d, comp); /* always unmapped */ | |
188 | else if ((ch = tbl[comp]) >= 0) { | |
189 | matches++; | |
190 | if (ch != pch) { | |
191 | d = uv_to_utf8(d, ch); | |
192 | pch = ch; | |
193 | } | |
194 | s += len; | |
195 | continue; | |
196 | } | |
197 | else if (ch == -1) /* -1 is unmapped character */ | |
198 | d = uv_to_utf8(d, comp); | |
199 | else if (ch == -2) /* -2 is delete character */ | |
200 | matches++; | |
201 | s += len; | |
202 | pch = 0xfeedface; | |
203 | } | |
5d06d08e | 204 | } |
60aeb6fd NIS |
205 | else { |
206 | while (s < send) { | |
207 | STRLEN len; | |
208 | UV comp = utf8_to_uv_simple(s, &len); | |
209 | if (comp > 0xff) | |
210 | d = uv_to_utf8(d, comp); /* always unmapped */ | |
211 | else if ((ch = tbl[comp]) >= 0) { | |
212 | d = uv_to_utf8(d, ch); | |
213 | matches++; | |
214 | } | |
215 | else if (ch == -1) { /* -1 is unmapped character */ | |
216 | d = uv_to_utf8(d, comp); | |
217 | } | |
218 | else if (ch == -2) /* -2 is delete character */ | |
219 | matches++; | |
220 | s += len; | |
221 | } | |
222 | } | |
223 | *d = '\0'; | |
224 | sv_setpvn(sv, (char*)dstart, d - dstart); | |
225 | SvUTF8_on(sv); | |
4757a243 | 226 | } |
5e44153e | 227 | SvSETMAGIC(sv); |
4757a243 LW |
228 | return matches; |
229 | } | |
230 | ||
942e002e | 231 | STATIC I32 |
036b4402 | 232 | S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 | 233 | { |
4757a243 LW |
234 | U8 *s; |
235 | U8 *send; | |
236 | U8 *d; | |
036b4402 | 237 | U8 *start; |
60aeb6fd | 238 | U8 *dstart, *dend; |
4757a243 LW |
239 | I32 matches = 0; |
240 | STRLEN len; | |
241 | ||
242 | SV* rv = (SV*)cSVOP->op_sv; | |
243 | HV* hv = (HV*)SvRV(rv); | |
244 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
245 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
246 | UV extra = none + 1; | |
247 | UV final; | |
248 | UV uv; | |
60aeb6fd NIS |
249 | I32 isutf8; |
250 | U8 hibit = 0; | |
4757a243 LW |
251 | |
252 | s = (U8*)SvPV(sv, len); | |
60aeb6fd NIS |
253 | isutf8 = SvUTF8(sv); |
254 | if (!isutf8) { | |
255 | U8 *t = s, *e = s + len; | |
256 | while (t < e) | |
257 | if ((hibit = *t++ & 0x80)) | |
258 | break; | |
259 | if (hibit) | |
260 | s = bytes_to_utf8(s, &len); | |
261 | } | |
4757a243 | 262 | send = s + len; |
036b4402 | 263 | start = s; |
4757a243 LW |
264 | |
265 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
266 | if (svp) | |
267 | final = SvUV(*svp); | |
268 | ||
036b4402 | 269 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
60aeb6fd NIS |
270 | New(0, d, len*3+UTF8_MAXLEN, U8); |
271 | dend = d + len * 3; | |
036b4402 | 272 | dstart = d; |
60aeb6fd | 273 | |
4757a243 LW |
274 | while (s < send) { |
275 | if ((uv = swash_fetch(rv, s)) < none) { | |
276 | s += UTF8SKIP(s); | |
277 | matches++; | |
278 | d = uv_to_utf8(d, uv); | |
279 | } | |
280 | else if (uv == none) { | |
60aeb6fd | 281 | int i = UTF8SKIP(s); |
036b4402 | 282 | while(i--) |
075321c3 | 283 | *d++ = *s++; |
4757a243 LW |
284 | } |
285 | else if (uv == extra) { | |
60aeb6fd | 286 | int i = UTF8SKIP(s); |
036b4402 | 287 | s += i; |
4757a243 LW |
288 | matches++; |
289 | d = uv_to_utf8(d, final); | |
290 | } | |
291 | else | |
292 | s += UTF8SKIP(s); | |
60aeb6fd NIS |
293 | |
294 | if (d >= dend) { | |
295 | STRLEN clen = d - dstart; | |
296 | STRLEN nlen = dend - dstart + len + UTF8_MAXLEN; | |
297 | Renew(dstart, nlen+UTF8_MAXLEN, U8); | |
298 | d = dstart + clen; | |
299 | dend = dstart + nlen; | |
300 | } | |
4757a243 LW |
301 | } |
302 | *d = '\0'; | |
60aeb6fd | 303 | sv_setpvn(sv, (char*)dstart, d - dstart); |
4757a243 | 304 | SvSETMAGIC(sv); |
60aeb6fd NIS |
305 | SvUTF8_on(sv); |
306 | if (hibit) | |
307 | Safefree(start); | |
308 | if (!isutf8 && !(PL_hints & HINT_UTF8)) | |
309 | sv_utf8_downgrade(sv, TRUE); | |
4757a243 LW |
310 | |
311 | return matches; | |
312 | } | |
313 | ||
942e002e | 314 | STATIC I32 |
036b4402 | 315 | S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 | 316 | { |
4757a243 | 317 | U8 *s; |
60aeb6fd | 318 | U8 *start, *send; |
4757a243 LW |
319 | I32 matches = 0; |
320 | STRLEN len; | |
321 | ||
322 | SV* rv = (SV*)cSVOP->op_sv; | |
323 | HV* hv = (HV*)SvRV(rv); | |
324 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
325 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
326 | UV uv; | |
60aeb6fd | 327 | U8 hibit = 0; |
4757a243 LW |
328 | |
329 | s = (U8*)SvPV(sv, len); | |
60aeb6fd NIS |
330 | if (!SvUTF8(sv)) { |
331 | U8 *t = s, *e = s + len; | |
332 | while (t < e) | |
333 | if ((hibit = *t++ & 0x80)) | |
334 | break; | |
335 | if (hibit) | |
336 | start = s = bytes_to_utf8(s, &len); | |
337 | } | |
4757a243 LW |
338 | send = s + len; |
339 | ||
340 | while (s < send) { | |
834a4ddd | 341 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 | 342 | matches++; |
834a4ddd | 343 | s += UTF8SKIP(s); |
4757a243 | 344 | } |
60aeb6fd NIS |
345 | if (hibit) |
346 | Safefree(start); | |
4757a243 LW |
347 | |
348 | return matches; | |
349 | } | |
350 | ||
942e002e | 351 | STATIC I32 |
036b4402 | 352 | S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */ |
4757a243 | 353 | { |
4757a243 | 354 | U8 *s; |
60aeb6fd | 355 | U8 *start, *send; |
4757a243 LW |
356 | U8 *d; |
357 | I32 matches = 0; | |
358 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; | |
4757a243 LW |
359 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
360 | SV* rv = (SV*)cSVOP->op_sv; | |
361 | HV* hv = (HV*)SvRV(rv); | |
362 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
363 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
364 | UV extra = none + 1; | |
365 | UV final; | |
366 | UV uv; | |
367 | STRLEN len; | |
60aeb6fd NIS |
368 | U8 *dstart, *dend; |
369 | I32 isutf8; | |
370 | U8 hibit = 0; | |
4757a243 LW |
371 | |
372 | s = (U8*)SvPV(sv, len); | |
60aeb6fd NIS |
373 | isutf8 = SvUTF8(sv); |
374 | if (!isutf8) { | |
375 | U8 *t = s, *e = s + len; | |
376 | while (t < e) | |
377 | if ((hibit = *t++ & 0x80)) | |
378 | break; | |
379 | if (hibit) | |
380 | s = bytes_to_utf8(s, &len); | |
381 | } | |
4757a243 | 382 | send = s + len; |
60aeb6fd | 383 | start = s; |
4757a243 LW |
384 | |
385 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
386 | if (svp) | |
387 | final = SvUV(*svp); | |
388 | ||
60aeb6fd NIS |
389 | New(0, d, len*3+UTF8_MAXLEN, U8); |
390 | dend = d + len * 3; | |
391 | dstart = d; | |
4757a243 LW |
392 | |
393 | if (squash) { | |
394 | UV puv = 0xfeedface; | |
395 | while (s < send) { | |
60aeb6fd NIS |
396 | uv = swash_fetch(rv, s); |
397 | ||
398 | if (d >= dend) { | |
399 | STRLEN clen = d - dstart, nlen = dend - dstart + len; | |
400 | Renew(dstart, nlen+UTF8_MAXLEN, U8); | |
401 | d = dstart + clen; | |
402 | dend = dstart + nlen; | |
4757a243 LW |
403 | } |
404 | if (uv < none) { | |
405 | matches++; | |
406 | if (uv != puv) { | |
01ec43d0 | 407 | d = uv_to_utf8(d, uv); |
4757a243 LW |
408 | puv = uv; |
409 | } | |
075321c3 | 410 | s += UTF8SKIP(s); |
4757a243 LW |
411 | continue; |
412 | } | |
413 | else if (uv == none) { /* "none" is unmapped character */ | |
60aeb6fd NIS |
414 | int i = UTF8SKIP(s); |
415 | while(i--) | |
416 | *d++ = *s++; | |
4757a243 LW |
417 | puv = 0xfeedface; |
418 | continue; | |
a0ed51b3 | 419 | } |
4757a243 LW |
420 | else if (uv == extra && !del) { |
421 | matches++; | |
422 | if (uv != puv) { | |
01ec43d0 | 423 | d = uv_to_utf8(d, final); |
4757a243 LW |
424 | puv = final; |
425 | } | |
01ec43d0 | 426 | s += UTF8SKIP(s); |
4757a243 LW |
427 | continue; |
428 | } | |
01ec43d0 GS |
429 | matches++; /* "none+1" is delete character */ |
430 | s += UTF8SKIP(s); | |
a0ed51b3 | 431 | } |
79072805 LW |
432 | } |
433 | else { | |
4757a243 | 434 | while (s < send) { |
60aeb6fd NIS |
435 | uv = swash_fetch(rv, s); |
436 | if (d >= dend) { | |
437 | STRLEN clen = d - dstart, nlen = dend - dstart + len; | |
438 | Renew(dstart, nlen+UTF8_MAXLEN, U8); | |
439 | d = dstart + clen; | |
440 | dend = dstart + nlen; | |
a0ed51b3 | 441 | } |
4757a243 LW |
442 | if (uv < none) { |
443 | matches++; | |
01ec43d0 GS |
444 | d = uv_to_utf8(d, uv); |
445 | s += UTF8SKIP(s); | |
4757a243 | 446 | continue; |
a0ed51b3 | 447 | } |
4757a243 | 448 | else if (uv == none) { /* "none" is unmapped character */ |
60aeb6fd NIS |
449 | int i = UTF8SKIP(s); |
450 | while(i--) | |
451 | *d++ = *s++; | |
4757a243 | 452 | continue; |
79072805 | 453 | } |
4757a243 LW |
454 | else if (uv == extra && !del) { |
455 | matches++; | |
01ec43d0 GS |
456 | d = uv_to_utf8(d, final); |
457 | s += UTF8SKIP(s); | |
4757a243 LW |
458 | continue; |
459 | } | |
01ec43d0 GS |
460 | matches++; /* "none+1" is delete character */ |
461 | s += UTF8SKIP(s); | |
79072805 | 462 | } |
4757a243 | 463 | } |
60aeb6fd NIS |
464 | *d = '\0'; |
465 | sv_setpvn(sv, (char*)dstart, d - dstart); | |
466 | SvUTF8_on(sv); | |
467 | if (hibit) | |
468 | Safefree(start); | |
469 | if (!isutf8 && !(PL_hints & HINT_UTF8)) | |
470 | sv_utf8_downgrade(sv, TRUE); | |
4757a243 LW |
471 | SvSETMAGIC(sv); |
472 | ||
473 | return matches; | |
474 | } | |
475 | ||
476 | I32 | |
864dbfa3 | 477 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 LW |
478 | { |
479 | STRLEN len; | |
8e84507e | 480 | I32 hasutf = (PL_op->op_private & |
036b4402 | 481 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 LW |
482 | |
483 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) | |
cea2e8a9 | 484 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 LW |
485 | |
486 | (void)SvPV(sv, len); | |
487 | if (!len) | |
488 | return 0; | |
489 | if (!SvPOKp(sv)) | |
490 | (void)SvPV_force(sv, len); | |
2de7b02f GS |
491 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
492 | (void)SvPOK_only_UTF8(sv); | |
4757a243 | 493 | |
cea2e8a9 | 494 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 | 495 | |
036b4402 | 496 | switch (PL_op->op_private & ~hasutf & 63) { |
4757a243 | 497 | case 0: |
01ec43d0 GS |
498 | if (hasutf) |
499 | return do_trans_simple_utf8(sv); | |
500 | else | |
501 | return do_trans_simple(sv); | |
4757a243 LW |
502 | |
503 | case OPpTRANS_IDENTICAL: | |
01ec43d0 GS |
504 | if (hasutf) |
505 | return do_trans_count_utf8(sv); | |
506 | else | |
507 | return do_trans_count(sv); | |
4757a243 LW |
508 | |
509 | default: | |
01ec43d0 | 510 | if (hasutf) |
036b4402 | 511 | return do_trans_complex_utf8(sv); |
4757a243 | 512 | else |
036b4402 | 513 | return do_trans_complex(sv); |
79072805 | 514 | } |
79072805 LW |
515 | } |
516 | ||
517 | void | |
864dbfa3 | 518 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 LW |
519 | { |
520 | SV **oldmark = mark; | |
521 | register I32 items = sp - mark; | |
79072805 | 522 | register STRLEN len; |
463ee0b2 LW |
523 | STRLEN delimlen; |
524 | register char *delim = SvPV(del, delimlen); | |
525 | STRLEN tmplen; | |
79072805 LW |
526 | |
527 | mark++; | |
528 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); | |
07f14f54 | 529 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 LW |
530 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
531 | while (items-- > 0) { | |
1426bbf4 | 532 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
463ee0b2 LW |
533 | SvPV(*mark, tmplen); |
534 | len += tmplen; | |
79072805 LW |
535 | } |
536 | mark++; | |
537 | } | |
538 | SvGROW(sv, len + 1); /* so try to pre-extend */ | |
539 | ||
540 | mark = oldmark; | |
db7c17d7 | 541 | items = sp - mark; |
79072805 LW |
542 | ++mark; |
543 | } | |
544 | ||
463ee0b2 | 545 | if (items-- > 0) { |
92d29cee JH |
546 | sv_setpv(sv, ""); |
547 | if (*mark) | |
548 | sv_catsv(sv, *mark); | |
463ee0b2 LW |
549 | mark++; |
550 | } | |
79072805 LW |
551 | else |
552 | sv_setpv(sv,""); | |
c512ce4f | 553 | if (delimlen) { |
79072805 | 554 | for (; items > 0; items--,mark++) { |
c512ce4f | 555 | sv_catsv(sv,del); |
79072805 LW |
556 | sv_catsv(sv,*mark); |
557 | } | |
558 | } | |
559 | else { | |
560 | for (; items > 0; items--,mark++) | |
561 | sv_catsv(sv,*mark); | |
562 | } | |
563 | SvSETMAGIC(sv); | |
564 | } | |
565 | ||
566 | void | |
864dbfa3 | 567 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 | 568 | { |
46fc3d4c | 569 | STRLEN patlen; |
570 | char *pat = SvPV(*sarg, patlen); | |
571 | bool do_taint = FALSE; | |
572 | ||
573 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); | |
79072805 | 574 | SvSETMAGIC(sv); |
46fc3d4c | 575 | if (do_taint) |
576 | SvTAINTED_on(sv); | |
79072805 LW |
577 | } |
578 | ||
33b45480 | 579 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 JH |
580 | UV |
581 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) | |
582 | { | |
583 | STRLEN srclen, len; | |
584 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); | |
585 | UV retnum = 0; | |
586 | ||
a50d7633 | 587 | if (offset < 0) |
81e118e0 | 588 | return retnum; |
8e84507e | 589 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 590 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
246fae53 | 591 | |
dcad2880 | 592 | if (SvUTF8(sv)) |
33b45480 | 593 | (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE); |
246fae53 | 594 | |
81e118e0 JH |
595 | offset *= size; /* turn into bit offset */ |
596 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
597 | if (len > srclen) { | |
598 | if (size <= 8) | |
599 | retnum = 0; | |
600 | else { | |
601 | offset >>= 3; /* turn into byte offset */ | |
602 | if (size == 16) { | |
603 | if (offset >= srclen) | |
604 | retnum = 0; | |
605 | else | |
628e1a40 | 606 | retnum = (UV) s[offset] << 8; |
81e118e0 JH |
607 | } |
608 | else if (size == 32) { | |
609 | if (offset >= srclen) | |
610 | retnum = 0; | |
611 | else if (offset + 1 >= srclen) | |
612 | retnum = | |
613 | ((UV) s[offset ] << 24); | |
614 | else if (offset + 2 >= srclen) | |
615 | retnum = | |
616 | ((UV) s[offset ] << 24) + | |
617 | ((UV) s[offset + 1] << 16); | |
618 | else | |
619 | retnum = | |
620 | ((UV) s[offset ] << 24) + | |
621 | ((UV) s[offset + 1] << 16) + | |
622 | ( s[offset + 2] << 8); | |
623 | } | |
d7d93a81 | 624 | #ifdef UV_IS_QUAD |
c5a0f51a | 625 | else if (size == 64) { |
c5a0f51a JH |
626 | if (ckWARN(WARN_PORTABLE)) |
627 | Perl_warner(aTHX_ WARN_PORTABLE, | |
628 | "Bit vector size > 32 non-portable"); | |
629 | if (offset >= srclen) | |
630 | retnum = 0; | |
631 | else if (offset + 1 >= srclen) | |
632 | retnum = | |
633 | (UV) s[offset ] << 56; | |
634 | else if (offset + 2 >= srclen) | |
635 | retnum = | |
636 | ((UV) s[offset ] << 56) + | |
637 | ((UV) s[offset + 1] << 48); | |
638 | else if (offset + 3 >= srclen) | |
639 | retnum = | |
640 | ((UV) s[offset ] << 56) + | |
641 | ((UV) s[offset + 1] << 48) + | |
642 | ((UV) s[offset + 2] << 40); | |
643 | else if (offset + 4 >= srclen) | |
644 | retnum = | |
645 | ((UV) s[offset ] << 56) + | |
646 | ((UV) s[offset + 1] << 48) + | |
647 | ((UV) s[offset + 2] << 40) + | |
648 | ((UV) s[offset + 3] << 32); | |
649 | else if (offset + 5 >= srclen) | |
650 | retnum = | |
651 | ((UV) s[offset ] << 56) + | |
652 | ((UV) s[offset + 1] << 48) + | |
653 | ((UV) s[offset + 2] << 40) + | |
654 | ((UV) s[offset + 3] << 32) + | |
655 | ( s[offset + 4] << 24); | |
656 | else if (offset + 6 >= srclen) | |
657 | retnum = | |
658 | ((UV) s[offset ] << 56) + | |
659 | ((UV) s[offset + 1] << 48) + | |
660 | ((UV) s[offset + 2] << 40) + | |
661 | ((UV) s[offset + 3] << 32) + | |
662 | ((UV) s[offset + 4] << 24) + | |
663 | ((UV) s[offset + 5] << 16); | |
664 | else | |
8e84507e | 665 | retnum = |
c5a0f51a JH |
666 | ((UV) s[offset ] << 56) + |
667 | ((UV) s[offset + 1] << 48) + | |
668 | ((UV) s[offset + 2] << 40) + | |
669 | ((UV) s[offset + 3] << 32) + | |
670 | ((UV) s[offset + 4] << 24) + | |
671 | ((UV) s[offset + 5] << 16) + | |
628e1a40 | 672 | ( s[offset + 6] << 8); |
c5a0f51a JH |
673 | } |
674 | #endif | |
81e118e0 JH |
675 | } |
676 | } | |
677 | else if (size < 8) | |
678 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); | |
679 | else { | |
680 | offset >>= 3; /* turn into byte offset */ | |
681 | if (size == 8) | |
682 | retnum = s[offset]; | |
683 | else if (size == 16) | |
684 | retnum = | |
628e1a40 | 685 | ((UV) s[offset] << 8) + |
81e118e0 JH |
686 | s[offset + 1]; |
687 | else if (size == 32) | |
688 | retnum = | |
689 | ((UV) s[offset ] << 24) + | |
690 | ((UV) s[offset + 1] << 16) + | |
691 | ( s[offset + 2] << 8) + | |
692 | s[offset + 3]; | |
d7d93a81 | 693 | #ifdef UV_IS_QUAD |
c5a0f51a | 694 | else if (size == 64) { |
c5a0f51a JH |
695 | if (ckWARN(WARN_PORTABLE)) |
696 | Perl_warner(aTHX_ WARN_PORTABLE, | |
697 | "Bit vector size > 32 non-portable"); | |
698 | retnum = | |
699 | ((UV) s[offset ] << 56) + | |
700 | ((UV) s[offset + 1] << 48) + | |
701 | ((UV) s[offset + 2] << 40) + | |
702 | ((UV) s[offset + 3] << 32) + | |
703 | ((UV) s[offset + 4] << 24) + | |
704 | ((UV) s[offset + 5] << 16) + | |
628e1a40 | 705 | ( s[offset + 6] << 8) + |
c5a0f51a JH |
706 | s[offset + 7]; |
707 | } | |
708 | #endif | |
81e118e0 JH |
709 | } |
710 | ||
711 | return retnum; | |
712 | } | |
713 | ||
33b45480 SB |
714 | /* currently converts input to bytes if possible but doesn't sweat failures, |
715 | * although it does ensure that the string it clobbers is not marked as | |
716 | * utf8-valid any more | |
717 | */ | |
79072805 | 718 | void |
864dbfa3 | 719 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 LW |
720 | { |
721 | SV *targ = LvTARG(sv); | |
722 | register I32 offset; | |
723 | register I32 size; | |
8990e307 | 724 | register unsigned char *s; |
81e118e0 | 725 | register UV lval; |
79072805 | 726 | I32 mask; |
a0d0e21e LW |
727 | STRLEN targlen; |
728 | STRLEN len; | |
79072805 | 729 | |
8990e307 LW |
730 | if (!targ) |
731 | return; | |
a0d0e21e | 732 | s = (unsigned char*)SvPV_force(targ, targlen); |
246fae53 | 733 | if (SvUTF8(targ)) { |
33b45480 SB |
734 | /* This is handled by the SvPOK_only below... |
735 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) | |
736 | SvUTF8_off(targ); | |
737 | */ | |
738 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); | |
246fae53 MG |
739 | } |
740 | ||
4ebbc975 | 741 | (void)SvPOK_only(targ); |
81e118e0 | 742 | lval = SvUV(sv); |
79072805 | 743 | offset = LvTARGOFF(sv); |
fe58ced6 MG |
744 | if (offset < 0) |
745 | Perl_croak(aTHX_ "Assigning to negative offset in vec"); | |
79072805 | 746 | size = LvTARGLEN(sv); |
8e84507e | 747 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 748 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
8e84507e | 749 | |
81e118e0 JH |
750 | offset *= size; /* turn into bit offset */ |
751 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
a0d0e21e LW |
752 | if (len > targlen) { |
753 | s = (unsigned char*)SvGROW(targ, len + 1); | |
12ae5dfc | 754 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e LW |
755 | SvCUR_set(targ, len); |
756 | } | |
8e84507e | 757 | |
79072805 LW |
758 | if (size < 8) { |
759 | mask = (1 << size) - 1; | |
760 | size = offset & 7; | |
761 | lval &= mask; | |
81e118e0 | 762 | offset >>= 3; /* turn into byte offset */ |
79072805 LW |
763 | s[offset] &= ~(mask << size); |
764 | s[offset] |= lval << size; | |
765 | } | |
766 | else { | |
81e118e0 | 767 | offset >>= 3; /* turn into byte offset */ |
79072805 | 768 | if (size == 8) |
c5a0f51a | 769 | s[offset ] = lval & 0xff; |
79072805 | 770 | else if (size == 16) { |
c5a0f51a JH |
771 | s[offset ] = (lval >> 8) & 0xff; |
772 | s[offset+1] = lval & 0xff; | |
79072805 LW |
773 | } |
774 | else if (size == 32) { | |
c5a0f51a JH |
775 | s[offset ] = (lval >> 24) & 0xff; |
776 | s[offset+1] = (lval >> 16) & 0xff; | |
777 | s[offset+2] = (lval >> 8) & 0xff; | |
778 | s[offset+3] = lval & 0xff; | |
779 | } | |
d7d93a81 | 780 | #ifdef UV_IS_QUAD |
c5a0f51a | 781 | else if (size == 64) { |
c5a0f51a JH |
782 | if (ckWARN(WARN_PORTABLE)) |
783 | Perl_warner(aTHX_ WARN_PORTABLE, | |
784 | "Bit vector size > 32 non-portable"); | |
785 | s[offset ] = (lval >> 56) & 0xff; | |
786 | s[offset+1] = (lval >> 48) & 0xff; | |
787 | s[offset+2] = (lval >> 40) & 0xff; | |
788 | s[offset+3] = (lval >> 32) & 0xff; | |
789 | s[offset+4] = (lval >> 24) & 0xff; | |
790 | s[offset+5] = (lval >> 16) & 0xff; | |
791 | s[offset+6] = (lval >> 8) & 0xff; | |
792 | s[offset+7] = lval & 0xff; | |
79072805 | 793 | } |
dc1e3f56 | 794 | #endif |
79072805 | 795 | } |
7bb043c3 | 796 | SvSETMAGIC(targ); |
79072805 LW |
797 | } |
798 | ||
799 | void | |
864dbfa3 | 800 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 | 801 | { |
463ee0b2 | 802 | STRLEN len; |
a0d0e21e | 803 | char *s; |
8e84507e | 804 | |
79072805 | 805 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e LW |
806 | register I32 i; |
807 | I32 max; | |
808 | AV* av = (AV*)sv; | |
809 | max = AvFILL(av); | |
810 | for (i = 0; i <= max; i++) { | |
811 | sv = (SV*)av_fetch(av, i, FALSE); | |
3280af22 | 812 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
813 | do_chop(astr, sv); |
814 | } | |
815 | return; | |
79072805 | 816 | } |
aa854799 | 817 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e LW |
818 | HV* hv = (HV*)sv; |
819 | HE* entry; | |
820 | (void)hv_iterinit(hv); | |
821 | /*SUPPRESS 560*/ | |
155aba94 | 822 | while ((entry = hv_iternext(hv))) |
a0d0e21e LW |
823 | do_chop(astr,hv_iterval(hv,entry)); |
824 | return; | |
79072805 | 825 | } |
aa854799 | 826 | else if (SvREADONLY(sv)) |
cea2e8a9 | 827 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e | 828 | s = SvPV(sv, len); |
748a9306 | 829 | if (len && !SvPOK(sv)) |
a0d0e21e | 830 | s = SvPV_force(sv, len); |
7e2040f0 | 831 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
832 | if (s && len) { |
833 | char *send = s + len; | |
834 | char *start = s; | |
835 | s = send - 1; | |
836 | while ((*s & 0xc0) == 0x80) | |
837 | --s; | |
0453d815 PM |
838 | if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8)) |
839 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); | |
a0ed51b3 LW |
840 | sv_setpvn(astr, s, send - s); |
841 | *s = '\0'; | |
842 | SvCUR_set(sv, s - start); | |
843 | SvNIOK_off(sv); | |
7e2040f0 | 844 | SvUTF8_on(astr); |
a0ed51b3 LW |
845 | } |
846 | else | |
847 | sv_setpvn(astr, "", 0); | |
848 | } | |
7e2040f0 | 849 | else if (s && len) { |
a0d0e21e LW |
850 | s += --len; |
851 | sv_setpvn(astr, s, 1); | |
852 | *s = '\0'; | |
853 | SvCUR_set(sv, len); | |
2c19a612 | 854 | SvUTF8_off(sv); |
a0d0e21e | 855 | SvNIOK_off(sv); |
79072805 LW |
856 | } |
857 | else | |
a0d0e21e LW |
858 | sv_setpvn(astr, "", 0); |
859 | SvSETMAGIC(sv); | |
7e2040f0 | 860 | } |
a0d0e21e LW |
861 | |
862 | I32 | |
864dbfa3 | 863 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e | 864 | { |
c07a80fd | 865 | register I32 count; |
a0d0e21e LW |
866 | STRLEN len; |
867 | char *s; | |
c07a80fd | 868 | |
3280af22 | 869 | if (RsSNARF(PL_rs)) |
c07a80fd | 870 | return 0; |
4c5a6083 GS |
871 | if (RsRECORD(PL_rs)) |
872 | return 0; | |
c07a80fd | 873 | count = 0; |
a0d0e21e LW |
874 | if (SvTYPE(sv) == SVt_PVAV) { |
875 | register I32 i; | |
876 | I32 max; | |
877 | AV* av = (AV*)sv; | |
878 | max = AvFILL(av); | |
879 | for (i = 0; i <= max; i++) { | |
880 | sv = (SV*)av_fetch(av, i, FALSE); | |
3280af22 | 881 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
882 | count += do_chomp(sv); |
883 | } | |
884 | return count; | |
885 | } | |
aa854799 | 886 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e LW |
887 | HV* hv = (HV*)sv; |
888 | HE* entry; | |
889 | (void)hv_iterinit(hv); | |
890 | /*SUPPRESS 560*/ | |
155aba94 | 891 | while ((entry = hv_iternext(hv))) |
a0d0e21e LW |
892 | count += do_chomp(hv_iterval(hv,entry)); |
893 | return count; | |
894 | } | |
aa854799 | 895 | else if (SvREADONLY(sv)) |
cea2e8a9 | 896 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e LW |
897 | s = SvPV(sv, len); |
898 | if (len && !SvPOKp(sv)) | |
899 | s = SvPV_force(sv, len); | |
900 | if (s && len) { | |
901 | s += --len; | |
3280af22 | 902 | if (RsPARA(PL_rs)) { |
a0d0e21e LW |
903 | if (*s != '\n') |
904 | goto nope; | |
905 | ++count; | |
906 | while (len && s[-1] == '\n') { | |
907 | --len; | |
908 | --s; | |
909 | ++count; | |
910 | } | |
911 | } | |
a0d0e21e | 912 | else { |
c07a80fd | 913 | STRLEN rslen; |
3280af22 | 914 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd | 915 | if (rslen == 1) { |
916 | if (*s != *rsptr) | |
917 | goto nope; | |
918 | ++count; | |
919 | } | |
920 | else { | |
8c2cee6f | 921 | if (len < rslen - 1) |
c07a80fd | 922 | goto nope; |
923 | len -= rslen - 1; | |
924 | s -= rslen - 1; | |
36477c24 | 925 | if (memNE(s, rsptr, rslen)) |
c07a80fd | 926 | goto nope; |
927 | count += rslen; | |
928 | } | |
a0d0e21e | 929 | } |
a0d0e21e LW |
930 | *s = '\0'; |
931 | SvCUR_set(sv, len); | |
932 | SvNIOK_off(sv); | |
933 | } | |
934 | nope: | |
935 | SvSETMAGIC(sv); | |
936 | return count; | |
8e84507e | 937 | } |
79072805 LW |
938 | |
939 | void | |
864dbfa3 | 940 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 LW |
941 | { |
942 | #ifdef LIBERAL | |
943 | register long *dl; | |
944 | register long *ll; | |
945 | register long *rl; | |
946 | #endif | |
947 | register char *dc; | |
463ee0b2 LW |
948 | STRLEN leftlen; |
949 | STRLEN rightlen; | |
7a4c00b4 | 950 | register char *lc; |
951 | register char *rc; | |
79072805 | 952 | register I32 len; |
a0d0e21e | 953 | I32 lensave; |
7a4c00b4 | 954 | char *lsave; |
955 | char *rsave; | |
0c57e439 GS |
956 | bool left_utf = DO_UTF8(left); |
957 | bool right_utf = DO_UTF8(right); | |
c9b3c8d0 | 958 | I32 needlen; |
0c57e439 GS |
959 | |
960 | if (left_utf && !right_utf) | |
961 | sv_utf8_upgrade(right); | |
a1ca4561 | 962 | else if (!left_utf && right_utf) |
0c57e439 | 963 | sv_utf8_upgrade(left); |
79072805 | 964 | |
1fbd88dc CS |
965 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
966 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ | |
7a4c00b4 | 967 | lsave = lc = SvPV(left, leftlen); |
968 | rsave = rc = SvPV(right, rightlen); | |
93a17b20 | 969 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e | 970 | lensave = len; |
c9b3c8d0 JH |
971 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
972 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; | |
973 | Newz(801, dc, needlen + 1, char); | |
974 | } | |
975 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { | |
2d8e6c8d GS |
976 | STRLEN n_a; |
977 | dc = SvPV_force(sv, n_a); | |
ff68c719 | 978 | if (SvCUR(sv) < len) { |
979 | dc = SvGROW(sv, len + 1); | |
980 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); | |
981 | } | |
c9b3c8d0 JH |
982 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
983 | dc = SvGROW(sv, leftlen + rightlen + 1); | |
ff68c719 | 984 | } |
985 | else { | |
c9b3c8d0 JH |
986 | needlen = ((optype == OP_BIT_AND) |
987 | ? len : (leftlen > rightlen ? leftlen : rightlen)); | |
ff68c719 | 988 | Newz(801, dc, needlen + 1, char); |
989 | (void)sv_usepvn(sv, dc, needlen); | |
990 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ | |
79072805 | 991 | } |
a0d0e21e LW |
992 | SvCUR_set(sv, len); |
993 | (void)SvPOK_only(sv); | |
0c57e439 GS |
994 | if (left_utf || right_utf) { |
995 | UV duc, luc, ruc; | |
c9b3c8d0 | 996 | char *dcsave = dc; |
0c57e439 GS |
997 | STRLEN lulen = leftlen; |
998 | STRLEN rulen = rightlen; | |
ba210ebe | 999 | STRLEN ulen; |
0c57e439 GS |
1000 | |
1001 | switch (optype) { | |
1002 | case OP_BIT_AND: | |
1003 | while (lulen && rulen) { | |
cc366d4b | 1004 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1005 | lc += ulen; |
1006 | lulen -= ulen; | |
cc366d4b | 1007 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1008 | rc += ulen; |
1009 | rulen -= ulen; | |
1010 | duc = luc & ruc; | |
1011 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
1012 | } | |
c9b3c8d0 JH |
1013 | if (sv == left || sv == right) |
1014 | (void)sv_usepvn(sv, dcsave, needlen); | |
1015 | SvCUR_set(sv, dc - dcsave); | |
0c57e439 GS |
1016 | break; |
1017 | case OP_BIT_XOR: | |
1018 | while (lulen && rulen) { | |
cc366d4b | 1019 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1020 | lc += ulen; |
1021 | lulen -= ulen; | |
cc366d4b | 1022 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1023 | rc += ulen; |
1024 | rulen -= ulen; | |
1025 | duc = luc ^ ruc; | |
1026 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
1027 | } | |
1028 | goto mop_up_utf; | |
1029 | case OP_BIT_OR: | |
1030 | while (lulen && rulen) { | |
cc366d4b | 1031 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1032 | lc += ulen; |
1033 | lulen -= ulen; | |
cc366d4b | 1034 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1035 | rc += ulen; |
1036 | rulen -= ulen; | |
1037 | duc = luc | ruc; | |
1038 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
1039 | } | |
1040 | mop_up_utf: | |
c9b3c8d0 JH |
1041 | if (sv == left || sv == right) |
1042 | (void)sv_usepvn(sv, dcsave, needlen); | |
1043 | SvCUR_set(sv, dc - dcsave); | |
0c57e439 GS |
1044 | if (rulen) |
1045 | sv_catpvn(sv, rc, rulen); | |
1046 | else if (lulen) | |
1047 | sv_catpvn(sv, lc, lulen); | |
1048 | else | |
1049 | *SvEND(sv) = '\0'; | |
1050 | break; | |
1051 | } | |
1052 | SvUTF8_on(sv); | |
1053 | goto finish; | |
1054 | } | |
1055 | else | |
79072805 LW |
1056 | #ifdef LIBERAL |
1057 | if (len >= sizeof(long)*4 && | |
1058 | !((long)dc % sizeof(long)) && | |
1059 | !((long)lc % sizeof(long)) && | |
1060 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ | |
1061 | { | |
1062 | I32 remainder = len % (sizeof(long)*4); | |
1063 | len /= (sizeof(long)*4); | |
1064 | ||
1065 | dl = (long*)dc; | |
1066 | ll = (long*)lc; | |
1067 | rl = (long*)rc; | |
1068 | ||
1069 | switch (optype) { | |
1070 | case OP_BIT_AND: | |
1071 | while (len--) { | |
1072 | *dl++ = *ll++ & *rl++; | |
1073 | *dl++ = *ll++ & *rl++; | |
1074 | *dl++ = *ll++ & *rl++; | |
1075 | *dl++ = *ll++ & *rl++; | |
1076 | } | |
1077 | break; | |
a0d0e21e | 1078 | case OP_BIT_XOR: |
79072805 LW |
1079 | while (len--) { |
1080 | *dl++ = *ll++ ^ *rl++; | |
1081 | *dl++ = *ll++ ^ *rl++; | |
1082 | *dl++ = *ll++ ^ *rl++; | |
1083 | *dl++ = *ll++ ^ *rl++; | |
1084 | } | |
1085 | break; | |
1086 | case OP_BIT_OR: | |
1087 | while (len--) { | |
1088 | *dl++ = *ll++ | *rl++; | |
1089 | *dl++ = *ll++ | *rl++; | |
1090 | *dl++ = *ll++ | *rl++; | |
1091 | *dl++ = *ll++ | *rl++; | |
1092 | } | |
1093 | } | |
1094 | ||
1095 | dc = (char*)dl; | |
1096 | lc = (char*)ll; | |
1097 | rc = (char*)rl; | |
1098 | ||
1099 | len = remainder; | |
1100 | } | |
1101 | #endif | |
a0d0e21e | 1102 | { |
a0d0e21e LW |
1103 | switch (optype) { |
1104 | case OP_BIT_AND: | |
1105 | while (len--) | |
1106 | *dc++ = *lc++ & *rc++; | |
1107 | break; | |
1108 | case OP_BIT_XOR: | |
1109 | while (len--) | |
1110 | *dc++ = *lc++ ^ *rc++; | |
1111 | goto mop_up; | |
1112 | case OP_BIT_OR: | |
1113 | while (len--) | |
1114 | *dc++ = *lc++ | *rc++; | |
1115 | mop_up: | |
1116 | len = lensave; | |
1117 | if (rightlen > len) | |
1118 | sv_catpvn(sv, rsave + len, rightlen - len); | |
1119 | else if (leftlen > len) | |
1120 | sv_catpvn(sv, lsave + len, leftlen - len); | |
4633a7c4 LW |
1121 | else |
1122 | *SvEND(sv) = '\0'; | |
a0d0e21e LW |
1123 | break; |
1124 | } | |
79072805 | 1125 | } |
0c57e439 | 1126 | finish: |
fb73857a | 1127 | SvTAINT(sv); |
79072805 | 1128 | } |
463ee0b2 LW |
1129 | |
1130 | OP * | |
cea2e8a9 | 1131 | Perl_do_kv(pTHX) |
463ee0b2 | 1132 | { |
4e35701f | 1133 | djSP; |
463ee0b2 | 1134 | HV *hv = (HV*)POPs; |
800e9ae0 | 1135 | HV *keys; |
463ee0b2 | 1136 | register HE *entry; |
463ee0b2 | 1137 | SV *tmpstr; |
54310121 | 1138 | I32 gimme = GIMME_V; |
533c011a NIS |
1139 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1140 | I32 dovalues = (PL_op->op_type == OP_VALUES); | |
c750a3ec | 1141 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
8e84507e NIS |
1142 | |
1143 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) | |
a0d0e21e | 1144 | dokeys = dovalues = TRUE; |
463ee0b2 | 1145 | |
85581909 | 1146 | if (!hv) { |
533c011a | 1147 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1148 | dTARGET; /* make sure to clear its target here */ |
1149 | if (SvTYPE(TARG) == SVt_PVLV) | |
1150 | LvTARG(TARG) = Nullsv; | |
1151 | PUSHs(TARG); | |
1152 | } | |
463ee0b2 | 1153 | RETURN; |
85581909 | 1154 | } |
748a9306 | 1155 | |
800e9ae0 JP |
1156 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1157 | (void)hv_iterinit(keys); /* always reset iterator regardless */ | |
748a9306 | 1158 | |
54310121 | 1159 | if (gimme == G_VOID) |
aa689395 | 1160 | RETURN; |
1161 | ||
54310121 | 1162 | if (gimme == G_SCALAR) { |
6ee623d5 | 1163 | IV i; |
463ee0b2 LW |
1164 | dTARGET; |
1165 | ||
533c011a | 1166 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1167 | if (SvTYPE(TARG) < SVt_PVLV) { |
1168 | sv_upgrade(TARG, SVt_PVLV); | |
1169 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); | |
1170 | } | |
1171 | LvTYPE(TARG) = 'k'; | |
800e9ae0 | 1172 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 GS |
1173 | if (LvTARG(TARG)) |
1174 | SvREFCNT_dec(LvTARG(TARG)); | |
800e9ae0 | 1175 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 | 1176 | } |
85581909 SB |
1177 | PUSHs(TARG); |
1178 | RETURN; | |
1179 | } | |
1180 | ||
33c27489 | 1181 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 | 1182 | i = HvKEYS(keys); |
463ee0b2 LW |
1183 | else { |
1184 | i = 0; | |
463ee0b2 | 1185 | /*SUPPRESS 560*/ |
800e9ae0 | 1186 | while (hv_iternext(keys)) i++; |
463ee0b2 LW |
1187 | } |
1188 | PUSHi( i ); | |
1189 | RETURN; | |
1190 | } | |
1191 | ||
8ed4b672 | 1192 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 | 1193 | |
463ee0b2 | 1194 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 | 1195 | while ((entry = hv_iternext(keys))) { |
463ee0b2 | 1196 | SPAGAIN; |
6bfc225d | 1197 | if (dokeys) |
8c2cee6f | 1198 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 | 1199 | if (dovalues) { |
463ee0b2 | 1200 | PUTBACK; |
b6429b1b GS |
1201 | tmpstr = realhv ? |
1202 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); | |
cea2e8a9 | 1203 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c | 1204 | (unsigned long)HeHASH(entry), |
800e9ae0 JP |
1205 | HvMAX(keys)+1, |
1206 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); | |
463ee0b2 | 1207 | SPAGAIN; |
46fc3d4c | 1208 | XPUSHs(tmpstr); |
463ee0b2 LW |
1209 | } |
1210 | PUTBACK; | |
1211 | } | |
1212 | return NORMAL; | |
1213 | } | |
4e35701f | 1214 |