Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
9607fc9c | 3 | * Copyright (c) 1991-1997, Larry Wall |
79072805 | 4 | * |
a0d0e21e LW |
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. | |
79072805 | 7 | * |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "It's a big house this, and very peculiar. Always a bit more to discover, | |
12 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise | |
13 | */ | |
79072805 LW |
14 | |
15 | #include "EXTERN.h" | |
16 | #include "perl.h" | |
17 | ||
36477c24 | 18 | /* |
19 | * Types used in bitwise operations. | |
20 | * | |
21 | * Normally we'd just use IV and UV. However, some hardware and | |
22 | * software combinations (e.g. Alpha and current OSF/1) don't have a | |
23 | * floating-point type to use for NV that has adequate bits to fully | |
24 | * hold an IV/UV. (In other words, sizeof(long) == sizeof(double).) | |
25 | * | |
96e4d5b1 | 26 | * It just so happens that "int" is the right size almost everywhere. |
36477c24 | 27 | */ |
28 | typedef int IBW; | |
29 | typedef unsigned UBW; | |
30 | ||
96e4d5b1 | 31 | /* |
32 | * Mask used after bitwise operations. | |
33 | * | |
34 | * There is at least one realm (Cray word machines) that doesn't | |
35 | * have an integral type (except char) small enough to be represented | |
36 | * in a double without loss; that is, it has no 32-bit type. | |
37 | */ | |
38 | #if BYTEORDER > 0xFFFF && defined(_CRAY) && !defined(_CRAYMPP) | |
46fc3d4c | 39 | # define BW_BITS 32 |
40 | # define BW_MASK ((1 << BW_BITS) - 1) | |
41 | # define BW_SIGN (1 << (BW_BITS - 1)) | |
96e4d5b1 | 42 | # define BWi(i) (((i) & BW_SIGN) ? ((i) | ~BW_MASK) : ((i) & BW_MASK)) |
43 | # define BWu(u) ((u) & BW_MASK) | |
44 | #else | |
45 | # define BWi(i) (i) | |
46 | # define BWu(u) (u) | |
47 | #endif | |
48 | ||
49 | /* | |
50 | * Offset for integer pack/unpack. | |
51 | * | |
52 | * On architectures where I16 and I32 aren't really 16 and 32 bits, | |
53 | * which for now are all Crays, pack and unpack have to play games. | |
54 | */ | |
55 | ||
56 | /* | |
57 | * These values are required for portability of pack() output. | |
58 | * If they're not right on your machine, then pack() and unpack() | |
59 | * wouldn't work right anyway; you'll need to apply the Cray hack. | |
60 | * (I'd like to check them with #if, but you can't use sizeof() in | |
61 | * the preprocessor.) | |
62 | */ | |
63 | #define SIZE16 2 | |
64 | #define SIZE32 4 | |
65 | ||
66 | #if BYTEORDER > 0xFFFF && defined(_CRAY) && !defined(_CRAYMPP) | |
67 | # if BYTEORDER == 0x12345678 | |
68 | # define OFF16(p) (char*)(p) | |
69 | # define OFF32(p) (char*)(p) | |
70 | # else | |
71 | # if BYTEORDER == 0x87654321 | |
72 | # define OFF16(p) ((char*)(p) + (sizeof(U16) - SIZE16)) | |
73 | # define OFF32(p) ((char*)(p) + (sizeof(U32) - SIZE32)) | |
74 | # else | |
75 | }}}} bad cray byte order | |
76 | # endif | |
77 | # endif | |
78 | # define COPY16(s,p) (*(p) = 0, Copy(s, OFF16(p), SIZE16, char)) | |
79 | # define COPY32(s,p) (*(p) = 0, Copy(s, OFF32(p), SIZE32, char)) | |
80 | # define CAT16(sv,p) sv_catpvn(sv, OFF16(p), SIZE16) | |
81 | # define CAT32(sv,p) sv_catpvn(sv, OFF32(p), SIZE32) | |
82 | #else | |
83 | # define COPY16(s,p) Copy(s, p, SIZE16, char) | |
84 | # define COPY32(s,p) Copy(s, p, SIZE32, char) | |
85 | # define CAT16(sv,p) sv_catpvn(sv, (char*)(p), SIZE16) | |
86 | # define CAT32(sv,p) sv_catpvn(sv, (char*)(p), SIZE32) | |
87 | #endif | |
88 | ||
71be2cbc | 89 | static void doencodes _((SV* sv, char* s, I32 len)); |
93dc8474 CS |
90 | static SV* refto _((SV* sv)); |
91 | static U32 seed _((void)); | |
92 | ||
93 | static bool srand_called = FALSE; | |
79072805 | 94 | |
a0d0e21e | 95 | /* variations on pp_null */ |
79072805 | 96 | |
93a17b20 LW |
97 | PP(pp_stub) |
98 | { | |
99 | dSP; | |
54310121 | 100 | if (GIMME_V == G_SCALAR) |
93a17b20 | 101 | XPUSHs(&sv_undef); |
93a17b20 LW |
102 | RETURN; |
103 | } | |
104 | ||
79072805 LW |
105 | PP(pp_scalar) |
106 | { | |
107 | return NORMAL; | |
108 | } | |
109 | ||
110 | /* Pushy stuff. */ | |
111 | ||
93a17b20 LW |
112 | PP(pp_padav) |
113 | { | |
114 | dSP; dTARGET; | |
a0d0e21e | 115 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 | 116 | SAVECLEARSV(curpad[op->op_targ]); |
85e6fe83 | 117 | EXTEND(SP, 1); |
a0d0e21e | 118 | if (op->op_flags & OPf_REF) { |
85e6fe83 | 119 | PUSHs(TARG); |
93a17b20 | 120 | RETURN; |
85e6fe83 LW |
121 | } |
122 | if (GIMME == G_ARRAY) { | |
123 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
124 | EXTEND(SP, maxarg); | |
125 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
126 | SP += maxarg; | |
127 | } | |
128 | else { | |
129 | SV* sv = sv_newmortal(); | |
130 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
131 | sv_setiv(sv, maxarg); | |
132 | PUSHs(sv); | |
133 | } | |
134 | RETURN; | |
93a17b20 LW |
135 | } |
136 | ||
137 | PP(pp_padhv) | |
138 | { | |
139 | dSP; dTARGET; | |
54310121 | 140 | I32 gimme; |
141 | ||
93a17b20 | 142 | XPUSHs(TARG); |
a0d0e21e | 143 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 | 144 | SAVECLEARSV(curpad[op->op_targ]); |
a0d0e21e | 145 | if (op->op_flags & OPf_REF) |
93a17b20 | 146 | RETURN; |
54310121 | 147 | gimme = GIMME_V; |
148 | if (gimme == G_ARRAY) { | |
a0d0e21e | 149 | RETURNOP(do_kv(ARGS)); |
85e6fe83 | 150 | } |
54310121 | 151 | else if (gimme == G_SCALAR) { |
85e6fe83 | 152 | SV* sv = sv_newmortal(); |
46fc3d4c | 153 | if (HvFILL((HV*)TARG)) |
154 | sv_setpvf(sv, "%ld/%ld", | |
155 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); | |
85e6fe83 LW |
156 | else |
157 | sv_setiv(sv, 0); | |
158 | SETs(sv); | |
85e6fe83 | 159 | } |
54310121 | 160 | RETURN; |
93a17b20 LW |
161 | } |
162 | ||
ed6116ce LW |
163 | PP(pp_padany) |
164 | { | |
165 | DIE("NOT IMPL LINE %d",__LINE__); | |
166 | } | |
167 | ||
79072805 LW |
168 | /* Translations. */ |
169 | ||
170 | PP(pp_rv2gv) | |
171 | { | |
172 | dSP; dTOPss; | |
a0d0e21e | 173 | |
ed6116ce | 174 | if (SvROK(sv)) { |
a0d0e21e | 175 | wasref: |
ed6116ce | 176 | sv = SvRV(sv); |
b1dadf13 | 177 | if (SvTYPE(sv) == SVt_PVIO) { |
178 | GV *gv = (GV*) sv_newmortal(); | |
179 | gv_init(gv, 0, "", 0, 0); | |
180 | GvIOp(gv) = (IO *)sv; | |
181 | SvREFCNT_inc(sv); | |
182 | sv = (SV*) gv; | |
183 | } else if (SvTYPE(sv) != SVt_PVGV) | |
a0d0e21e | 184 | DIE("Not a GLOB reference"); |
79072805 LW |
185 | } |
186 | else { | |
93a17b20 | 187 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 LW |
188 | char *sym; |
189 | ||
a0d0e21e LW |
190 | if (SvGMAGICAL(sv)) { |
191 | mg_get(sv); | |
192 | if (SvROK(sv)) | |
193 | goto wasref; | |
194 | } | |
195 | if (!SvOK(sv)) { | |
196 | if (op->op_flags & OPf_REF || | |
197 | op->op_private & HINT_STRICT_REFS) | |
198 | DIE(no_usym, "a symbol"); | |
d83e6520 CS |
199 | if (dowarn) |
200 | warn(warn_uninit); | |
a0d0e21e LW |
201 | RETSETUNDEF; |
202 | } | |
748a9306 | 203 | sym = SvPV(sv, na); |
85e6fe83 | 204 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 LW |
205 | DIE(no_symref, sym, "a symbol"); |
206 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); | |
93a17b20 | 207 | } |
79072805 | 208 | } |
5f05dabc | 209 | if (op->op_private & OPpLVAL_INTRO) |
210 | save_gp((GV*)sv, !(op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
211 | SETs(sv); |
212 | RETURN; | |
213 | } | |
214 | ||
79072805 LW |
215 | PP(pp_rv2sv) |
216 | { | |
217 | dSP; dTOPss; | |
218 | ||
ed6116ce | 219 | if (SvROK(sv)) { |
a0d0e21e | 220 | wasref: |
ed6116ce | 221 | sv = SvRV(sv); |
79072805 LW |
222 | switch (SvTYPE(sv)) { |
223 | case SVt_PVAV: | |
224 | case SVt_PVHV: | |
225 | case SVt_PVCV: | |
a0d0e21e | 226 | DIE("Not a SCALAR reference"); |
79072805 LW |
227 | } |
228 | } | |
229 | else { | |
f12c7020 | 230 | GV *gv = (GV*)sv; |
748a9306 LW |
231 | char *sym; |
232 | ||
463ee0b2 | 233 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
234 | if (SvGMAGICAL(sv)) { |
235 | mg_get(sv); | |
236 | if (SvROK(sv)) | |
237 | goto wasref; | |
238 | } | |
239 | if (!SvOK(sv)) { | |
240 | if (op->op_flags & OPf_REF || | |
241 | op->op_private & HINT_STRICT_REFS) | |
242 | DIE(no_usym, "a SCALAR"); | |
d83e6520 CS |
243 | if (dowarn) |
244 | warn(warn_uninit); | |
a0d0e21e LW |
245 | RETSETUNDEF; |
246 | } | |
748a9306 | 247 | sym = SvPV(sv, na); |
85e6fe83 | 248 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 | 249 | DIE(no_symref, sym, "a SCALAR"); |
f12c7020 | 250 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
463ee0b2 LW |
251 | } |
252 | sv = GvSV(gv); | |
a0d0e21e LW |
253 | } |
254 | if (op->op_flags & OPf_MOD) { | |
255 | if (op->op_private & OPpLVAL_INTRO) | |
256 | sv = save_scalar((GV*)TOPs); | |
5f05dabc | 257 | else if (op->op_private & OPpDEREF) |
68dc0745 | 258 | vivify_ref(sv, op->op_private & OPpDEREF); |
79072805 | 259 | } |
a0d0e21e | 260 | SETs(sv); |
79072805 LW |
261 | RETURN; |
262 | } | |
263 | ||
264 | PP(pp_av2arylen) | |
265 | { | |
266 | dSP; | |
267 | AV *av = (AV*)TOPs; | |
268 | SV *sv = AvARYLEN(av); | |
269 | if (!sv) { | |
270 | AvARYLEN(av) = sv = NEWSV(0,0); | |
271 | sv_upgrade(sv, SVt_IV); | |
272 | sv_magic(sv, (SV*)av, '#', Nullch, 0); | |
273 | } | |
274 | SETs(sv); | |
275 | RETURN; | |
276 | } | |
277 | ||
a0d0e21e LW |
278 | PP(pp_pos) |
279 | { | |
280 | dSP; dTARGET; dPOPss; | |
281 | ||
282 | if (op->op_flags & OPf_MOD) { | |
5f05dabc | 283 | if (SvTYPE(TARG) < SVt_PVLV) { |
284 | sv_upgrade(TARG, SVt_PVLV); | |
285 | sv_magic(TARG, Nullsv, '.', Nullch, 0); | |
286 | } | |
287 | ||
288 | LvTYPE(TARG) = '.'; | |
a0d0e21e LW |
289 | LvTARG(TARG) = sv; |
290 | PUSHs(TARG); /* no SvSETMAGIC */ | |
291 | RETURN; | |
292 | } | |
293 | else { | |
294 | MAGIC* mg; | |
295 | ||
296 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
297 | mg = mg_find(sv, 'g'); | |
298 | if (mg && mg->mg_len >= 0) { | |
299 | PUSHi(mg->mg_len + curcop->cop_arybase); | |
300 | RETURN; | |
301 | } | |
302 | } | |
303 | RETPUSHUNDEF; | |
304 | } | |
305 | } | |
306 | ||
79072805 LW |
307 | PP(pp_rv2cv) |
308 | { | |
309 | dSP; | |
79072805 LW |
310 | GV *gv; |
311 | HV *stash; | |
8990e307 | 312 | |
4633a7c4 LW |
313 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
314 | /* (But not in defined().) */ | |
315 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL)); | |
07055b4c CS |
316 | if (cv) { |
317 | if (CvCLONE(cv)) | |
318 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
319 | } | |
320 | else | |
4633a7c4 | 321 | cv = (CV*)&sv_undef; |
79072805 LW |
322 | SETs((SV*)cv); |
323 | RETURN; | |
324 | } | |
325 | ||
c07a80fd | 326 | PP(pp_prototype) |
327 | { | |
328 | dSP; | |
329 | CV *cv; | |
330 | HV *stash; | |
331 | GV *gv; | |
332 | SV *ret; | |
333 | ||
334 | ret = &sv_undef; | |
335 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); | |
5f05dabc | 336 | if (cv && SvPOK(cv)) |
337 | ret = sv_2mortal(newSVpv(SvPVX(cv), SvCUR(cv))); | |
c07a80fd | 338 | SETs(ret); |
339 | RETURN; | |
340 | } | |
341 | ||
a0d0e21e LW |
342 | PP(pp_anoncode) |
343 | { | |
344 | dSP; | |
5f05dabc | 345 | CV* cv = (CV*)curpad[op->op_targ]; |
a5f75d66 | 346 | if (CvCLONE(cv)) |
b355b4e0 | 347 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 348 | EXTEND(SP,1); |
748a9306 | 349 | PUSHs((SV*)cv); |
a0d0e21e LW |
350 | RETURN; |
351 | } | |
352 | ||
353 | PP(pp_srefgen) | |
79072805 | 354 | { |
71be2cbc | 355 | dSP; |
356 | *SP = refto(*SP); | |
79072805 | 357 | RETURN; |
a0d0e21e LW |
358 | } |
359 | ||
360 | PP(pp_refgen) | |
361 | { | |
362 | dSP; dMARK; | |
a0d0e21e LW |
363 | if (GIMME != G_ARRAY) { |
364 | MARK[1] = *SP; | |
365 | SP = MARK + 1; | |
366 | } | |
bbce6d69 | 367 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 368 | while (++MARK <= SP) |
369 | *MARK = refto(*MARK); | |
a0d0e21e | 370 | RETURN; |
79072805 LW |
371 | } |
372 | ||
71be2cbc | 373 | static SV* |
374 | refto(sv) | |
375 | SV* sv; | |
376 | { | |
377 | SV* rv; | |
378 | ||
379 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
380 | if (LvTARGLEN(sv)) | |
68dc0745 | 381 | vivify_defelem(sv); |
382 | if (!(sv = LvTARG(sv))) | |
383 | sv = &sv_undef; | |
71be2cbc | 384 | } |
385 | else if (SvPADTMP(sv)) | |
386 | sv = newSVsv(sv); | |
387 | else { | |
388 | SvTEMP_off(sv); | |
389 | (void)SvREFCNT_inc(sv); | |
390 | } | |
391 | rv = sv_newmortal(); | |
392 | sv_upgrade(rv, SVt_RV); | |
393 | SvRV(rv) = sv; | |
394 | SvROK_on(rv); | |
395 | return rv; | |
396 | } | |
397 | ||
79072805 LW |
398 | PP(pp_ref) |
399 | { | |
463ee0b2 LW |
400 | dSP; dTARGET; |
401 | SV *sv; | |
79072805 LW |
402 | char *pv; |
403 | ||
a0d0e21e | 404 | sv = POPs; |
f12c7020 | 405 | |
406 | if (sv && SvGMAGICAL(sv)) | |
407 | mg_get(sv); | |
408 | ||
a0d0e21e | 409 | if (!sv || !SvROK(sv)) |
4633a7c4 | 410 | RETPUSHNO; |
79072805 | 411 | |
ed6116ce | 412 | sv = SvRV(sv); |
a0d0e21e | 413 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 414 | PUSHp(pv, strlen(pv)); |
79072805 LW |
415 | RETURN; |
416 | } | |
417 | ||
418 | PP(pp_bless) | |
419 | { | |
463ee0b2 | 420 | dSP; |
463ee0b2 | 421 | HV *stash; |
79072805 | 422 | |
463ee0b2 LW |
423 | if (MAXARG == 1) |
424 | stash = curcop->cop_stash; | |
425 | else | |
a0d0e21e LW |
426 | stash = gv_stashsv(POPs, TRUE); |
427 | ||
428 | (void)sv_bless(TOPs, stash); | |
79072805 LW |
429 | RETURN; |
430 | } | |
431 | ||
a0d0e21e | 432 | /* Pattern matching */ |
79072805 | 433 | |
a0d0e21e | 434 | PP(pp_study) |
79072805 | 435 | { |
c07a80fd | 436 | dSP; dPOPss; |
a0d0e21e LW |
437 | register unsigned char *s; |
438 | register I32 pos; | |
439 | register I32 ch; | |
440 | register I32 *sfirst; | |
441 | register I32 *snext; | |
a0d0e21e LW |
442 | STRLEN len; |
443 | ||
1e422769 | 444 | if (sv == lastscream) { |
445 | if (SvSCREAM(sv)) | |
446 | RETPUSHYES; | |
447 | } | |
c07a80fd | 448 | else { |
449 | if (lastscream) { | |
450 | SvSCREAM_off(lastscream); | |
451 | SvREFCNT_dec(lastscream); | |
452 | } | |
453 | lastscream = SvREFCNT_inc(sv); | |
454 | } | |
1e422769 | 455 | |
456 | s = (unsigned char*)(SvPV(sv, len)); | |
457 | pos = len; | |
458 | if (pos <= 0) | |
459 | RETPUSHNO; | |
a0d0e21e LW |
460 | if (pos > maxscream) { |
461 | if (maxscream < 0) { | |
462 | maxscream = pos + 80; | |
463 | New(301, screamfirst, 256, I32); | |
464 | New(302, screamnext, maxscream, I32); | |
79072805 LW |
465 | } |
466 | else { | |
a0d0e21e LW |
467 | maxscream = pos + pos / 4; |
468 | Renew(screamnext, maxscream, I32); | |
79072805 | 469 | } |
79072805 | 470 | } |
a0d0e21e LW |
471 | |
472 | sfirst = screamfirst; | |
473 | snext = screamnext; | |
474 | ||
475 | if (!sfirst || !snext) | |
476 | DIE("do_study: out of memory"); | |
477 | ||
478 | for (ch = 256; ch; --ch) | |
479 | *sfirst++ = -1; | |
480 | sfirst -= 256; | |
481 | ||
482 | while (--pos >= 0) { | |
483 | ch = s[pos]; | |
484 | if (sfirst[ch] >= 0) | |
485 | snext[pos] = sfirst[ch] - pos; | |
486 | else | |
487 | snext[pos] = -pos; | |
488 | sfirst[ch] = pos; | |
79072805 LW |
489 | } |
490 | ||
c07a80fd | 491 | SvSCREAM_on(sv); |
464e2e8a | 492 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
1e422769 | 493 | RETPUSHYES; |
79072805 LW |
494 | } |
495 | ||
a0d0e21e | 496 | PP(pp_trans) |
79072805 | 497 | { |
a0d0e21e LW |
498 | dSP; dTARG; |
499 | SV *sv; | |
500 | ||
501 | if (op->op_flags & OPf_STACKED) | |
502 | sv = POPs; | |
79072805 | 503 | else { |
a0d0e21e LW |
504 | sv = GvSV(defgv); |
505 | EXTEND(SP,1); | |
79072805 | 506 | } |
adbc6bb1 | 507 | TARG = sv_newmortal(); |
a0d0e21e LW |
508 | PUSHi(do_trans(sv, op)); |
509 | RETURN; | |
79072805 LW |
510 | } |
511 | ||
a0d0e21e | 512 | /* Lvalue operators. */ |
79072805 | 513 | |
a0d0e21e LW |
514 | PP(pp_schop) |
515 | { | |
516 | dSP; dTARGET; | |
517 | do_chop(TARG, TOPs); | |
518 | SETTARG; | |
519 | RETURN; | |
79072805 LW |
520 | } |
521 | ||
a0d0e21e | 522 | PP(pp_chop) |
79072805 | 523 | { |
a0d0e21e LW |
524 | dSP; dMARK; dTARGET; |
525 | while (SP > MARK) | |
526 | do_chop(TARG, POPs); | |
527 | PUSHTARG; | |
528 | RETURN; | |
79072805 LW |
529 | } |
530 | ||
a0d0e21e | 531 | PP(pp_schomp) |
79072805 | 532 | { |
a0d0e21e LW |
533 | dSP; dTARGET; |
534 | SETi(do_chomp(TOPs)); | |
535 | RETURN; | |
79072805 LW |
536 | } |
537 | ||
a0d0e21e | 538 | PP(pp_chomp) |
79072805 | 539 | { |
a0d0e21e LW |
540 | dSP; dMARK; dTARGET; |
541 | register I32 count = 0; | |
542 | ||
543 | while (SP > MARK) | |
544 | count += do_chomp(POPs); | |
545 | PUSHi(count); | |
546 | RETURN; | |
79072805 LW |
547 | } |
548 | ||
a0d0e21e | 549 | PP(pp_defined) |
463ee0b2 | 550 | { |
a0d0e21e LW |
551 | dSP; |
552 | register SV* sv; | |
553 | ||
554 | sv = POPs; | |
555 | if (!sv || !SvANY(sv)) | |
556 | RETPUSHNO; | |
557 | switch (SvTYPE(sv)) { | |
558 | case SVt_PVAV: | |
8e07c86e | 559 | if (AvMAX(sv) >= 0 || SvRMAGICAL(sv)) |
a0d0e21e LW |
560 | RETPUSHYES; |
561 | break; | |
562 | case SVt_PVHV: | |
8e07c86e | 563 | if (HvARRAY(sv) || SvRMAGICAL(sv)) |
a0d0e21e LW |
564 | RETPUSHYES; |
565 | break; | |
566 | case SVt_PVCV: | |
567 | if (CvROOT(sv) || CvXSUB(sv)) | |
568 | RETPUSHYES; | |
569 | break; | |
570 | default: | |
571 | if (SvGMAGICAL(sv)) | |
572 | mg_get(sv); | |
573 | if (SvOK(sv)) | |
574 | RETPUSHYES; | |
575 | } | |
576 | RETPUSHNO; | |
463ee0b2 LW |
577 | } |
578 | ||
a0d0e21e LW |
579 | PP(pp_undef) |
580 | { | |
79072805 | 581 | dSP; |
a0d0e21e LW |
582 | SV *sv; |
583 | ||
774d564b | 584 | if (!op->op_private) { |
585 | EXTEND(SP, 1); | |
a0d0e21e | 586 | RETPUSHUNDEF; |
774d564b | 587 | } |
79072805 | 588 | |
a0d0e21e LW |
589 | sv = POPs; |
590 | if (!sv) | |
591 | RETPUSHUNDEF; | |
85e6fe83 | 592 | |
a0d0e21e LW |
593 | if (SvTHINKFIRST(sv)) { |
594 | if (SvREADONLY(sv)) | |
595 | RETPUSHUNDEF; | |
596 | if (SvROK(sv)) | |
597 | sv_unref(sv); | |
85e6fe83 LW |
598 | } |
599 | ||
a0d0e21e LW |
600 | switch (SvTYPE(sv)) { |
601 | case SVt_NULL: | |
602 | break; | |
603 | case SVt_PVAV: | |
604 | av_undef((AV*)sv); | |
605 | break; | |
606 | case SVt_PVHV: | |
607 | hv_undef((HV*)sv); | |
608 | break; | |
609 | case SVt_PVCV: | |
54310121 | 610 | if (cv_const_sv((CV*)sv)) |
9607fc9c | 611 | warn("Constant subroutine %s undefined", |
54310121 | 612 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 613 | /* FALL THROUGH */ |
614 | case SVt_PVFM: | |
09280a33 CS |
615 | { GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv)); |
616 | cv_undef((CV*)sv); | |
617 | CvGV((CV*)sv) = gv; } /* let user-undef'd sub keep its identity */ | |
a0d0e21e | 618 | break; |
8e07c86e | 619 | case SVt_PVGV: |
44a8e56a | 620 | if (SvFAKE(sv)) |
621 | sv_setsv(sv, &sv_undef); | |
622 | break; | |
a0d0e21e | 623 | default: |
1e422769 | 624 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
625 | (void)SvOOK_off(sv); |
626 | Safefree(SvPVX(sv)); | |
627 | SvPV_set(sv, Nullch); | |
628 | SvLEN_set(sv, 0); | |
a0d0e21e | 629 | } |
4633a7c4 LW |
630 | (void)SvOK_off(sv); |
631 | SvSETMAGIC(sv); | |
79072805 | 632 | } |
a0d0e21e LW |
633 | |
634 | RETPUSHUNDEF; | |
79072805 LW |
635 | } |
636 | ||
a0d0e21e | 637 | PP(pp_predec) |
79072805 | 638 | { |
a0d0e21e | 639 | dSP; |
68dc0745 | 640 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 641 | croak(no_modify); |
55497cff | 642 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
643 | SvIVX(TOPs) != IV_MIN) | |
644 | { | |
645 | --SvIVX(TOPs); | |
646 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); | |
748a9306 LW |
647 | } |
648 | else | |
649 | sv_dec(TOPs); | |
a0d0e21e LW |
650 | SvSETMAGIC(TOPs); |
651 | return NORMAL; | |
652 | } | |
79072805 | 653 | |
a0d0e21e LW |
654 | PP(pp_postinc) |
655 | { | |
656 | dSP; dTARGET; | |
68dc0745 | 657 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 658 | croak(no_modify); |
a0d0e21e | 659 | sv_setsv(TARG, TOPs); |
55497cff | 660 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
661 | SvIVX(TOPs) != IV_MAX) | |
662 | { | |
663 | ++SvIVX(TOPs); | |
664 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); | |
748a9306 LW |
665 | } |
666 | else | |
667 | sv_inc(TOPs); | |
a0d0e21e LW |
668 | SvSETMAGIC(TOPs); |
669 | if (!SvOK(TARG)) | |
670 | sv_setiv(TARG, 0); | |
671 | SETs(TARG); | |
672 | return NORMAL; | |
673 | } | |
79072805 | 674 | |
a0d0e21e LW |
675 | PP(pp_postdec) |
676 | { | |
677 | dSP; dTARGET; | |
68dc0745 | 678 | if(SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 679 | croak(no_modify); |
a0d0e21e | 680 | sv_setsv(TARG, TOPs); |
55497cff | 681 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
682 | SvIVX(TOPs) != IV_MIN) | |
683 | { | |
684 | --SvIVX(TOPs); | |
685 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); | |
748a9306 LW |
686 | } |
687 | else | |
688 | sv_dec(TOPs); | |
a0d0e21e LW |
689 | SvSETMAGIC(TOPs); |
690 | SETs(TARG); | |
691 | return NORMAL; | |
692 | } | |
79072805 | 693 | |
a0d0e21e LW |
694 | /* Ordinary operators. */ |
695 | ||
696 | PP(pp_pow) | |
697 | { | |
698 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); | |
699 | { | |
77676ba1 | 700 | dPOPTOPnnrl; |
a0d0e21e LW |
701 | SETn( pow( left, right) ); |
702 | RETURN; | |
93a17b20 | 703 | } |
a0d0e21e LW |
704 | } |
705 | ||
706 | PP(pp_multiply) | |
707 | { | |
708 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); | |
709 | { | |
77676ba1 | 710 | dPOPTOPnnrl; |
a0d0e21e LW |
711 | SETn( left * right ); |
712 | RETURN; | |
79072805 | 713 | } |
a0d0e21e LW |
714 | } |
715 | ||
716 | PP(pp_divide) | |
717 | { | |
718 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); | |
719 | { | |
77676ba1 | 720 | dPOPPOPnnrl; |
7a4c00b4 | 721 | double value; |
722 | if (right == 0.0) | |
a0d0e21e LW |
723 | DIE("Illegal division by zero"); |
724 | #ifdef SLOPPYDIVIDE | |
725 | /* insure that 20./5. == 4. */ | |
726 | { | |
7a4c00b4 | 727 | IV k; |
728 | if ((double)I_V(left) == left && | |
729 | (double)I_V(right) == right && | |
730 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { | |
a0d0e21e LW |
731 | value = k; |
732 | } else { | |
7a4c00b4 | 733 | value = left / right; |
79072805 | 734 | } |
a0d0e21e LW |
735 | } |
736 | #else | |
7a4c00b4 | 737 | value = left / right; |
a0d0e21e LW |
738 | #endif |
739 | PUSHn( value ); | |
740 | RETURN; | |
79072805 | 741 | } |
a0d0e21e LW |
742 | } |
743 | ||
744 | PP(pp_modulo) | |
745 | { | |
746 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); | |
747 | { | |
68dc0745 | 748 | UV left; |
749 | UV right; | |
beb18505 CS |
750 | bool left_neg; |
751 | bool right_neg; | |
68dc0745 | 752 | UV ans; |
a0d0e21e | 753 | |
68dc0745 | 754 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
755 | IV i = SvIVX(POPs); | |
beb18505 | 756 | right = (right_neg = (i < 0)) ? -i : i; |
68dc0745 | 757 | } |
758 | else { | |
759 | double n = POPn; | |
beb18505 | 760 | right = U_V((right_neg = (n < 0)) ? -n : n); |
68dc0745 | 761 | } |
36477c24 | 762 | |
763 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { | |
68dc0745 | 764 | IV i = SvIVX(POPs); |
beb18505 | 765 | left = (left_neg = (i < 0)) ? -i : i; |
36477c24 | 766 | } |
a0d0e21e | 767 | else { |
68dc0745 | 768 | double n = POPn; |
beb18505 | 769 | left = U_V((left_neg = (n < 0)) ? -n : n); |
a0d0e21e | 770 | } |
68dc0745 | 771 | |
772 | if (!right) | |
773 | DIE("Illegal modulus zero"); | |
774 | ||
775 | ans = left % right; | |
beb18505 | 776 | if ((left_neg != right_neg) && ans) |
68dc0745 | 777 | ans = right - ans; |
beb18505 CS |
778 | if (right_neg) { |
779 | if (ans <= -(UV)IV_MAX) | |
780 | sv_setiv(TARG, (IV) -ans); | |
781 | else | |
782 | sv_setnv(TARG, -(double)ans); | |
783 | } | |
784 | else | |
785 | sv_setuv(TARG, ans); | |
786 | PUSHTARG; | |
a0d0e21e | 787 | RETURN; |
79072805 | 788 | } |
a0d0e21e | 789 | } |
79072805 | 790 | |
a0d0e21e LW |
791 | PP(pp_repeat) |
792 | { | |
748a9306 LW |
793 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
794 | { | |
a0d0e21e LW |
795 | register I32 count = POPi; |
796 | if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) { | |
797 | dMARK; | |
798 | I32 items = SP - MARK; | |
799 | I32 max; | |
79072805 | 800 | |
a0d0e21e LW |
801 | max = items * count; |
802 | MEXTEND(MARK, max); | |
803 | if (count > 1) { | |
804 | while (SP > MARK) { | |
805 | if (*SP) | |
806 | SvTEMP_off((*SP)); | |
807 | SP--; | |
79072805 | 808 | } |
a0d0e21e LW |
809 | MARK++; |
810 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
811 | items * sizeof(SV*), count - 1); | |
812 | SP += max; | |
79072805 | 813 | } |
a0d0e21e LW |
814 | else if (count <= 0) |
815 | SP -= items; | |
79072805 | 816 | } |
a0d0e21e LW |
817 | else { /* Note: mark already snarfed by pp_list */ |
818 | SV *tmpstr; | |
819 | STRLEN len; | |
820 | ||
821 | tmpstr = POPs; | |
822 | if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) { | |
823 | if (SvREADONLY(tmpstr) && curcop != &compiling) | |
824 | DIE("Can't x= to readonly value"); | |
825 | if (SvROK(tmpstr)) | |
826 | sv_unref(tmpstr); | |
93a17b20 | 827 | } |
8ebc5c01 | 828 | SvSetSV(TARG, tmpstr); |
829 | SvPV_force(TARG, len); | |
830 | if (count != 1) { | |
831 | if (count < 1) | |
832 | SvCUR_set(TARG, 0); | |
833 | else { | |
834 | SvGROW(TARG, (count * len) + 1); | |
835 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); | |
836 | SvCUR(TARG) *= count; | |
7a4c00b4 | 837 | } |
8ebc5c01 | 838 | *SvEND(TARG) = '\0'; |
a0d0e21e | 839 | } |
8ebc5c01 | 840 | (void)SvPOK_only(TARG); |
a0d0e21e | 841 | PUSHTARG; |
79072805 | 842 | } |
a0d0e21e | 843 | RETURN; |
748a9306 | 844 | } |
a0d0e21e | 845 | } |
79072805 | 846 | |
a0d0e21e LW |
847 | PP(pp_subtract) |
848 | { | |
849 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); | |
850 | { | |
7a4c00b4 | 851 | dPOPTOPnnrl_ul; |
a0d0e21e LW |
852 | SETn( left - right ); |
853 | RETURN; | |
79072805 | 854 | } |
a0d0e21e | 855 | } |
79072805 | 856 | |
a0d0e21e LW |
857 | PP(pp_left_shift) |
858 | { | |
859 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); | |
860 | { | |
36477c24 | 861 | IBW shift = POPi; |
ff68c719 | 862 | if (op->op_private & HINT_INTEGER) { |
36477c24 | 863 | IBW i = TOPi; |
46fc3d4c | 864 | i = BWi(i) << shift; |
96e4d5b1 | 865 | SETi(BWi(i)); |
ff68c719 | 866 | } |
867 | else { | |
36477c24 | 868 | UBW u = TOPu; |
96e4d5b1 | 869 | u <<= shift; |
870 | SETu(BWu(u)); | |
ff68c719 | 871 | } |
55497cff | 872 | RETURN; |
79072805 | 873 | } |
a0d0e21e | 874 | } |
79072805 | 875 | |
a0d0e21e LW |
876 | PP(pp_right_shift) |
877 | { | |
878 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); | |
879 | { | |
36477c24 | 880 | IBW shift = POPi; |
ff68c719 | 881 | if (op->op_private & HINT_INTEGER) { |
36477c24 | 882 | IBW i = TOPi; |
46fc3d4c | 883 | i = BWi(i) >> shift; |
96e4d5b1 | 884 | SETi(BWi(i)); |
ff68c719 | 885 | } |
886 | else { | |
36477c24 | 887 | UBW u = TOPu; |
96e4d5b1 | 888 | u >>= shift; |
889 | SETu(BWu(u)); | |
ff68c719 | 890 | } |
a0d0e21e | 891 | RETURN; |
93a17b20 | 892 | } |
79072805 LW |
893 | } |
894 | ||
a0d0e21e | 895 | PP(pp_lt) |
79072805 | 896 | { |
a0d0e21e LW |
897 | dSP; tryAMAGICbinSET(lt,0); |
898 | { | |
899 | dPOPnv; | |
54310121 | 900 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 901 | RETURN; |
79072805 | 902 | } |
a0d0e21e | 903 | } |
79072805 | 904 | |
a0d0e21e LW |
905 | PP(pp_gt) |
906 | { | |
907 | dSP; tryAMAGICbinSET(gt,0); | |
908 | { | |
909 | dPOPnv; | |
54310121 | 910 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 911 | RETURN; |
79072805 | 912 | } |
a0d0e21e LW |
913 | } |
914 | ||
915 | PP(pp_le) | |
916 | { | |
917 | dSP; tryAMAGICbinSET(le,0); | |
918 | { | |
919 | dPOPnv; | |
54310121 | 920 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 921 | RETURN; |
79072805 | 922 | } |
a0d0e21e LW |
923 | } |
924 | ||
925 | PP(pp_ge) | |
926 | { | |
927 | dSP; tryAMAGICbinSET(ge,0); | |
928 | { | |
929 | dPOPnv; | |
54310121 | 930 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 931 | RETURN; |
79072805 | 932 | } |
a0d0e21e | 933 | } |
79072805 | 934 | |
a0d0e21e LW |
935 | PP(pp_ne) |
936 | { | |
937 | dSP; tryAMAGICbinSET(ne,0); | |
938 | { | |
939 | dPOPnv; | |
54310121 | 940 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
941 | RETURN; |
942 | } | |
79072805 LW |
943 | } |
944 | ||
a0d0e21e | 945 | PP(pp_ncmp) |
79072805 | 946 | { |
a0d0e21e LW |
947 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
948 | { | |
949 | dPOPTOPnnrl; | |
950 | I32 value; | |
79072805 | 951 | |
ff0cee69 | 952 | if (left == right) |
a0d0e21e | 953 | value = 0; |
ff0cee69 | 954 | else if (left < right) |
955 | value = -1; | |
44a8e56a | 956 | else if (left > right) |
957 | value = 1; | |
958 | else { | |
959 | SETs(&sv_undef); | |
960 | RETURN; | |
961 | } | |
a0d0e21e LW |
962 | SETi(value); |
963 | RETURN; | |
79072805 | 964 | } |
a0d0e21e | 965 | } |
79072805 | 966 | |
a0d0e21e LW |
967 | PP(pp_slt) |
968 | { | |
969 | dSP; tryAMAGICbinSET(slt,0); | |
970 | { | |
971 | dPOPTOPssrl; | |
bbce6d69 | 972 | int cmp = ((op->op_private & OPpLOCALE) |
973 | ? sv_cmp_locale(left, right) | |
974 | : sv_cmp(left, right)); | |
54310121 | 975 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
976 | RETURN; |
977 | } | |
79072805 LW |
978 | } |
979 | ||
a0d0e21e | 980 | PP(pp_sgt) |
79072805 | 981 | { |
a0d0e21e LW |
982 | dSP; tryAMAGICbinSET(sgt,0); |
983 | { | |
984 | dPOPTOPssrl; | |
bbce6d69 | 985 | int cmp = ((op->op_private & OPpLOCALE) |
986 | ? sv_cmp_locale(left, right) | |
987 | : sv_cmp(left, right)); | |
54310121 | 988 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
989 | RETURN; |
990 | } | |
991 | } | |
79072805 | 992 | |
a0d0e21e LW |
993 | PP(pp_sle) |
994 | { | |
995 | dSP; tryAMAGICbinSET(sle,0); | |
996 | { | |
997 | dPOPTOPssrl; | |
bbce6d69 | 998 | int cmp = ((op->op_private & OPpLOCALE) |
999 | ? sv_cmp_locale(left, right) | |
1000 | : sv_cmp(left, right)); | |
54310121 | 1001 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1002 | RETURN; |
79072805 | 1003 | } |
79072805 LW |
1004 | } |
1005 | ||
a0d0e21e LW |
1006 | PP(pp_sge) |
1007 | { | |
1008 | dSP; tryAMAGICbinSET(sge,0); | |
1009 | { | |
1010 | dPOPTOPssrl; | |
bbce6d69 | 1011 | int cmp = ((op->op_private & OPpLOCALE) |
1012 | ? sv_cmp_locale(left, right) | |
1013 | : sv_cmp(left, right)); | |
54310121 | 1014 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1015 | RETURN; |
1016 | } | |
1017 | } | |
79072805 | 1018 | |
36477c24 | 1019 | PP(pp_seq) |
1020 | { | |
1021 | dSP; tryAMAGICbinSET(seq,0); | |
1022 | { | |
1023 | dPOPTOPssrl; | |
54310121 | 1024 | SETs(boolSV(sv_eq(left, right))); |
36477c24 | 1025 | RETURN; |
1026 | } | |
1027 | } | |
1028 | ||
a0d0e21e | 1029 | PP(pp_sne) |
79072805 | 1030 | { |
a0d0e21e LW |
1031 | dSP; tryAMAGICbinSET(sne,0); |
1032 | { | |
1033 | dPOPTOPssrl; | |
54310121 | 1034 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1035 | RETURN; |
463ee0b2 | 1036 | } |
79072805 LW |
1037 | } |
1038 | ||
a0d0e21e | 1039 | PP(pp_scmp) |
79072805 | 1040 | { |
a0d0e21e LW |
1041 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
1042 | { | |
1043 | dPOPTOPssrl; | |
bbce6d69 | 1044 | int cmp = ((op->op_private & OPpLOCALE) |
1045 | ? sv_cmp_locale(left, right) | |
1046 | : sv_cmp(left, right)); | |
1047 | SETi( cmp ); | |
a0d0e21e LW |
1048 | RETURN; |
1049 | } | |
1050 | } | |
79072805 | 1051 | |
55497cff | 1052 | PP(pp_bit_and) |
1053 | { | |
a0d0e21e LW |
1054 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
1055 | { | |
1056 | dPOPTOPssrl; | |
4633a7c4 | 1057 | if (SvNIOKp(left) || SvNIOKp(right)) { |
36477c24 | 1058 | if (op->op_private & HINT_INTEGER) { |
1059 | IBW value = SvIV(left) & SvIV(right); | |
96e4d5b1 | 1060 | SETi(BWi(value)); |
36477c24 | 1061 | } |
1062 | else { | |
1063 | UBW value = SvUV(left) & SvUV(right); | |
96e4d5b1 | 1064 | SETu(BWu(value)); |
36477c24 | 1065 | } |
a0d0e21e LW |
1066 | } |
1067 | else { | |
1068 | do_vop(op->op_type, TARG, left, right); | |
1069 | SETTARG; | |
1070 | } | |
1071 | RETURN; | |
1072 | } | |
1073 | } | |
79072805 | 1074 | |
a0d0e21e LW |
1075 | PP(pp_bit_xor) |
1076 | { | |
1077 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); | |
1078 | { | |
1079 | dPOPTOPssrl; | |
4633a7c4 | 1080 | if (SvNIOKp(left) || SvNIOKp(right)) { |
36477c24 | 1081 | if (op->op_private & HINT_INTEGER) { |
1fbd88dc | 1082 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
96e4d5b1 | 1083 | SETi(BWi(value)); |
36477c24 | 1084 | } |
1085 | else { | |
1fbd88dc | 1086 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
96e4d5b1 | 1087 | SETu(BWu(value)); |
36477c24 | 1088 | } |
a0d0e21e LW |
1089 | } |
1090 | else { | |
1091 | do_vop(op->op_type, TARG, left, right); | |
1092 | SETTARG; | |
1093 | } | |
1094 | RETURN; | |
1095 | } | |
1096 | } | |
79072805 | 1097 | |
a0d0e21e LW |
1098 | PP(pp_bit_or) |
1099 | { | |
1100 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); | |
1101 | { | |
1102 | dPOPTOPssrl; | |
4633a7c4 | 1103 | if (SvNIOKp(left) || SvNIOKp(right)) { |
36477c24 | 1104 | if (op->op_private & HINT_INTEGER) { |
8ebc5c01 | 1105 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
96e4d5b1 | 1106 | SETi(BWi(value)); |
36477c24 | 1107 | } |
1108 | else { | |
8ebc5c01 | 1109 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
96e4d5b1 | 1110 | SETu(BWu(value)); |
36477c24 | 1111 | } |
a0d0e21e LW |
1112 | } |
1113 | else { | |
1114 | do_vop(op->op_type, TARG, left, right); | |
1115 | SETTARG; | |
1116 | } | |
1117 | RETURN; | |
79072805 | 1118 | } |
a0d0e21e | 1119 | } |
79072805 | 1120 | |
a0d0e21e LW |
1121 | PP(pp_negate) |
1122 | { | |
1123 | dSP; dTARGET; tryAMAGICun(neg); | |
1124 | { | |
1125 | dTOPss; | |
4633a7c4 LW |
1126 | if (SvGMAGICAL(sv)) |
1127 | mg_get(sv); | |
55497cff | 1128 | if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN) |
1129 | SETi(-SvIVX(sv)); | |
1130 | else if (SvNIOKp(sv)) | |
a0d0e21e | 1131 | SETn(-SvNV(sv)); |
4633a7c4 | 1132 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
1133 | STRLEN len; |
1134 | char *s = SvPV(sv, len); | |
bbce6d69 | 1135 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
1136 | sv_setpvn(TARG, "-", 1); |
1137 | sv_catsv(TARG, sv); | |
79072805 | 1138 | } |
a0d0e21e LW |
1139 | else if (*s == '+' || *s == '-') { |
1140 | sv_setsv(TARG, sv); | |
1141 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 LW |
1142 | } |
1143 | else | |
a0d0e21e LW |
1144 | sv_setnv(TARG, -SvNV(sv)); |
1145 | SETTARG; | |
79072805 | 1146 | } |
4633a7c4 LW |
1147 | else |
1148 | SETn(-SvNV(sv)); | |
79072805 | 1149 | } |
a0d0e21e | 1150 | RETURN; |
79072805 LW |
1151 | } |
1152 | ||
a0d0e21e | 1153 | PP(pp_not) |
79072805 | 1154 | { |
a0d0e21e LW |
1155 | #ifdef OVERLOAD |
1156 | dSP; tryAMAGICunSET(not); | |
1157 | #endif /* OVERLOAD */ | |
54310121 | 1158 | *stack_sp = boolSV(!SvTRUE(*stack_sp)); |
a0d0e21e | 1159 | return NORMAL; |
79072805 LW |
1160 | } |
1161 | ||
a0d0e21e | 1162 | PP(pp_complement) |
79072805 | 1163 | { |
a0d0e21e LW |
1164 | dSP; dTARGET; tryAMAGICun(compl); |
1165 | { | |
1166 | dTOPss; | |
4633a7c4 | 1167 | if (SvNIOKp(sv)) { |
36477c24 | 1168 | if (op->op_private & HINT_INTEGER) { |
1169 | IBW value = ~SvIV(sv); | |
96e4d5b1 | 1170 | SETi(BWi(value)); |
36477c24 | 1171 | } |
1172 | else { | |
1173 | UBW value = ~SvUV(sv); | |
96e4d5b1 | 1174 | SETu(BWu(value)); |
36477c24 | 1175 | } |
a0d0e21e LW |
1176 | } |
1177 | else { | |
1178 | register char *tmps; | |
1179 | register long *tmpl; | |
55497cff | 1180 | register I32 anum; |
a0d0e21e LW |
1181 | STRLEN len; |
1182 | ||
1183 | SvSetSV(TARG, sv); | |
1184 | tmps = SvPV_force(TARG, len); | |
1185 | anum = len; | |
1186 | #ifdef LIBERAL | |
1187 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
1188 | *tmps = ~*tmps; | |
1189 | tmpl = (long*)tmps; | |
1190 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
1191 | *tmpl = ~*tmpl; | |
1192 | tmps = (char*)tmpl; | |
1193 | #endif | |
1194 | for ( ; anum > 0; anum--, tmps++) | |
1195 | *tmps = ~*tmps; | |
1196 | ||
1197 | SETs(TARG); | |
1198 | } | |
1199 | RETURN; | |
1200 | } | |
79072805 LW |
1201 | } |
1202 | ||
a0d0e21e LW |
1203 | /* integer versions of some of the above */ |
1204 | ||
a0d0e21e | 1205 | PP(pp_i_multiply) |
79072805 | 1206 | { |
a0d0e21e LW |
1207 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
1208 | { | |
1209 | dPOPTOPiirl; | |
1210 | SETi( left * right ); | |
1211 | RETURN; | |
1212 | } | |
79072805 LW |
1213 | } |
1214 | ||
a0d0e21e | 1215 | PP(pp_i_divide) |
79072805 | 1216 | { |
a0d0e21e LW |
1217 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
1218 | { | |
1219 | dPOPiv; | |
1220 | if (value == 0) | |
1221 | DIE("Illegal division by zero"); | |
1222 | value = POPi / value; | |
1223 | PUSHi( value ); | |
1224 | RETURN; | |
1225 | } | |
79072805 LW |
1226 | } |
1227 | ||
a0d0e21e | 1228 | PP(pp_i_modulo) |
79072805 | 1229 | { |
a0d0e21e | 1230 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
79072805 | 1231 | { |
a0d0e21e | 1232 | dPOPTOPiirl; |
aa306039 CS |
1233 | if (!right) |
1234 | DIE("Illegal modulus zero"); | |
a0d0e21e LW |
1235 | SETi( left % right ); |
1236 | RETURN; | |
79072805 | 1237 | } |
79072805 LW |
1238 | } |
1239 | ||
a0d0e21e | 1240 | PP(pp_i_add) |
79072805 | 1241 | { |
a0d0e21e LW |
1242 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
1243 | { | |
1244 | dPOPTOPiirl; | |
1245 | SETi( left + right ); | |
1246 | RETURN; | |
79072805 | 1247 | } |
79072805 LW |
1248 | } |
1249 | ||
a0d0e21e | 1250 | PP(pp_i_subtract) |
79072805 | 1251 | { |
a0d0e21e LW |
1252 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
1253 | { | |
1254 | dPOPTOPiirl; | |
1255 | SETi( left - right ); | |
1256 | RETURN; | |
79072805 | 1257 | } |
79072805 LW |
1258 | } |
1259 | ||
a0d0e21e | 1260 | PP(pp_i_lt) |
79072805 | 1261 | { |
a0d0e21e LW |
1262 | dSP; tryAMAGICbinSET(lt,0); |
1263 | { | |
1264 | dPOPTOPiirl; | |
54310121 | 1265 | SETs(boolSV(left < right)); |
a0d0e21e LW |
1266 | RETURN; |
1267 | } | |
79072805 LW |
1268 | } |
1269 | ||
a0d0e21e | 1270 | PP(pp_i_gt) |
79072805 | 1271 | { |
a0d0e21e LW |
1272 | dSP; tryAMAGICbinSET(gt,0); |
1273 | { | |
1274 | dPOPTOPiirl; | |
54310121 | 1275 | SETs(boolSV(left > right)); |
a0d0e21e LW |
1276 | RETURN; |
1277 | } | |
79072805 LW |
1278 | } |
1279 | ||
a0d0e21e | 1280 | PP(pp_i_le) |
79072805 | 1281 | { |
a0d0e21e LW |
1282 | dSP; tryAMAGICbinSET(le,0); |
1283 | { | |
1284 | dPOPTOPiirl; | |
54310121 | 1285 | SETs(boolSV(left <= right)); |
a0d0e21e | 1286 | RETURN; |
85e6fe83 | 1287 | } |
79072805 LW |
1288 | } |
1289 | ||
a0d0e21e | 1290 | PP(pp_i_ge) |
79072805 | 1291 | { |
a0d0e21e LW |
1292 | dSP; tryAMAGICbinSET(ge,0); |
1293 | { | |
1294 | dPOPTOPiirl; | |
54310121 | 1295 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
1296 | RETURN; |
1297 | } | |
79072805 LW |
1298 | } |
1299 | ||
a0d0e21e | 1300 | PP(pp_i_eq) |
79072805 | 1301 | { |
a0d0e21e LW |
1302 | dSP; tryAMAGICbinSET(eq,0); |
1303 | { | |
1304 | dPOPTOPiirl; | |
54310121 | 1305 | SETs(boolSV(left == right)); |
a0d0e21e LW |
1306 | RETURN; |
1307 | } | |
79072805 LW |
1308 | } |
1309 | ||
a0d0e21e | 1310 | PP(pp_i_ne) |
79072805 | 1311 | { |
a0d0e21e LW |
1312 | dSP; tryAMAGICbinSET(ne,0); |
1313 | { | |
1314 | dPOPTOPiirl; | |
54310121 | 1315 | SETs(boolSV(left != right)); |
a0d0e21e LW |
1316 | RETURN; |
1317 | } | |
79072805 LW |
1318 | } |
1319 | ||
a0d0e21e | 1320 | PP(pp_i_ncmp) |
79072805 | 1321 | { |
a0d0e21e LW |
1322 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
1323 | { | |
1324 | dPOPTOPiirl; | |
1325 | I32 value; | |
79072805 | 1326 | |
a0d0e21e | 1327 | if (left > right) |
79072805 | 1328 | value = 1; |
a0d0e21e | 1329 | else if (left < right) |
79072805 | 1330 | value = -1; |
a0d0e21e | 1331 | else |
79072805 | 1332 | value = 0; |
a0d0e21e LW |
1333 | SETi(value); |
1334 | RETURN; | |
79072805 | 1335 | } |
85e6fe83 LW |
1336 | } |
1337 | ||
1338 | PP(pp_i_negate) | |
1339 | { | |
a0d0e21e | 1340 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
1341 | SETi(-TOPi); |
1342 | RETURN; | |
1343 | } | |
1344 | ||
79072805 LW |
1345 | /* High falutin' math. */ |
1346 | ||
1347 | PP(pp_atan2) | |
1348 | { | |
a0d0e21e LW |
1349 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
1350 | { | |
1351 | dPOPTOPnnrl; | |
1352 | SETn(atan2(left, right)); | |
1353 | RETURN; | |
1354 | } | |
79072805 LW |
1355 | } |
1356 | ||
1357 | PP(pp_sin) | |
1358 | { | |
a0d0e21e LW |
1359 | dSP; dTARGET; tryAMAGICun(sin); |
1360 | { | |
1361 | double value; | |
1362 | value = POPn; | |
1363 | value = sin(value); | |
1364 | XPUSHn(value); | |
1365 | RETURN; | |
1366 | } | |
79072805 LW |
1367 | } |
1368 | ||
1369 | PP(pp_cos) | |
1370 | { | |
a0d0e21e LW |
1371 | dSP; dTARGET; tryAMAGICun(cos); |
1372 | { | |
1373 | double value; | |
1374 | value = POPn; | |
1375 | value = cos(value); | |
1376 | XPUSHn(value); | |
1377 | RETURN; | |
1378 | } | |
79072805 LW |
1379 | } |
1380 | ||
1381 | PP(pp_rand) | |
1382 | { | |
1383 | dSP; dTARGET; | |
1384 | double value; | |
1385 | if (MAXARG < 1) | |
1386 | value = 1.0; | |
1387 | else | |
1388 | value = POPn; | |
1389 | if (value == 0.0) | |
1390 | value = 1.0; | |
93dc8474 CS |
1391 | if (!srand_called) { |
1392 | (void)srand((unsigned)seed()); | |
1393 | srand_called = TRUE; | |
1394 | } | |
79072805 LW |
1395 | #if RANDBITS == 31 |
1396 | value = rand() * value / 2147483648.0; | |
1397 | #else | |
1398 | #if RANDBITS == 16 | |
1399 | value = rand() * value / 65536.0; | |
1400 | #else | |
1401 | #if RANDBITS == 15 | |
1402 | value = rand() * value / 32768.0; | |
1403 | #else | |
1404 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); | |
1405 | #endif | |
1406 | #endif | |
1407 | #endif | |
1408 | XPUSHn(value); | |
1409 | RETURN; | |
1410 | } | |
1411 | ||
1412 | PP(pp_srand) | |
1413 | { | |
1414 | dSP; | |
93dc8474 CS |
1415 | UV anum; |
1416 | if (MAXARG < 1) | |
1417 | anum = seed(); | |
1418 | else | |
1419 | anum = POPu; | |
1420 | (void)srand((unsigned)anum); | |
1421 | srand_called = TRUE; | |
1422 | EXTEND(SP, 1); | |
1423 | RETPUSHYES; | |
1424 | } | |
79072805 | 1425 | |
93dc8474 CS |
1426 | static U32 |
1427 | seed() | |
1428 | { | |
54310121 | 1429 | /* |
1430 | * This is really just a quick hack which grabs various garbage | |
1431 | * values. It really should be a real hash algorithm which | |
1432 | * spreads the effect of every input bit onto every output bit, | |
1433 | * if someone who knows about such tings would bother to write it. | |
1434 | * Might be a good idea to add that function to CORE as well. | |
1435 | * No numbers below come from careful analysis or anyting here, | |
1436 | * except they are primes and SEED_C1 > 1E6 to get a full-width | |
1437 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
1438 | * probably be bigger too. | |
1439 | */ | |
1440 | #if RANDBITS > 16 | |
1441 | # define SEED_C1 1000003 | |
1442 | #define SEED_C4 73819 | |
1443 | #else | |
1444 | # define SEED_C1 25747 | |
1445 | #define SEED_C4 20639 | |
1446 | #endif | |
1447 | #define SEED_C2 3 | |
1448 | #define SEED_C3 269 | |
1449 | #define SEED_C5 26107 | |
1450 | ||
93dc8474 | 1451 | U32 u; |
f12c7020 | 1452 | #ifdef VMS |
1453 | # include <starlet.h> | |
43c92808 HF |
1454 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
1455 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 CS |
1456 | unsigned int when[2]; |
1457 | _ckvmssts(sys$gettim(when)); | |
54310121 | 1458 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 1459 | #else |
5f05dabc | 1460 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 CS |
1461 | struct timeval when; |
1462 | gettimeofday(&when,(struct timezone *) 0); | |
54310121 | 1463 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 1464 | # else |
93dc8474 CS |
1465 | Time_t when; |
1466 | (void)time(&when); | |
54310121 | 1467 | u = (U32)SEED_C1 * when; |
f12c7020 | 1468 | # endif |
1469 | #endif | |
54310121 | 1470 | u += SEED_C3 * (U32)getpid(); |
1471 | u += SEED_C4 * (U32)(UV)stack_sp; | |
1472 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ | |
1473 | u += SEED_C5 * (U32)(UV)&when; | |
f12c7020 | 1474 | #endif |
93dc8474 | 1475 | return u; |
79072805 LW |
1476 | } |
1477 | ||
1478 | PP(pp_exp) | |
1479 | { | |
a0d0e21e LW |
1480 | dSP; dTARGET; tryAMAGICun(exp); |
1481 | { | |
1482 | double value; | |
1483 | value = POPn; | |
1484 | value = exp(value); | |
1485 | XPUSHn(value); | |
1486 | RETURN; | |
1487 | } | |
79072805 LW |
1488 | } |
1489 | ||
1490 | PP(pp_log) | |
1491 | { | |
a0d0e21e LW |
1492 | dSP; dTARGET; tryAMAGICun(log); |
1493 | { | |
1494 | double value; | |
1495 | value = POPn; | |
bbce6d69 | 1496 | if (value <= 0.0) { |
36477c24 | 1497 | SET_NUMERIC_STANDARD(); |
2304df62 | 1498 | DIE("Can't take log of %g", value); |
bbce6d69 | 1499 | } |
a0d0e21e LW |
1500 | value = log(value); |
1501 | XPUSHn(value); | |
1502 | RETURN; | |
1503 | } | |
79072805 LW |
1504 | } |
1505 | ||
1506 | PP(pp_sqrt) | |
1507 | { | |
a0d0e21e LW |
1508 | dSP; dTARGET; tryAMAGICun(sqrt); |
1509 | { | |
1510 | double value; | |
1511 | value = POPn; | |
bbce6d69 | 1512 | if (value < 0.0) { |
36477c24 | 1513 | SET_NUMERIC_STANDARD(); |
2304df62 | 1514 | DIE("Can't take sqrt of %g", value); |
bbce6d69 | 1515 | } |
a0d0e21e LW |
1516 | value = sqrt(value); |
1517 | XPUSHn(value); | |
1518 | RETURN; | |
1519 | } | |
79072805 LW |
1520 | } |
1521 | ||
1522 | PP(pp_int) | |
1523 | { | |
1524 | dSP; dTARGET; | |
774d564b | 1525 | { |
1526 | double value = TOPn; | |
1527 | IV iv; | |
1528 | ||
1529 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) { | |
1530 | iv = SvIVX(TOPs); | |
1531 | SETi(iv); | |
1532 | } | |
1533 | else { | |
1534 | if (value >= 0.0) | |
1535 | (void)modf(value, &value); | |
1536 | else { | |
1537 | (void)modf(-value, &value); | |
1538 | value = -value; | |
1539 | } | |
1540 | iv = I_V(value); | |
1541 | if (iv == value) | |
1542 | SETi(iv); | |
1543 | else | |
1544 | SETn(value); | |
1545 | } | |
79072805 | 1546 | } |
79072805 LW |
1547 | RETURN; |
1548 | } | |
1549 | ||
463ee0b2 LW |
1550 | PP(pp_abs) |
1551 | { | |
a0d0e21e LW |
1552 | dSP; dTARGET; tryAMAGICun(abs); |
1553 | { | |
774d564b | 1554 | double value = TOPn; |
1555 | IV iv; | |
1556 | ||
1557 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) && | |
1558 | (iv = SvIVX(TOPs)) != IV_MIN) { | |
1559 | if (iv < 0) | |
1560 | iv = -iv; | |
1561 | SETi(iv); | |
1562 | } | |
1563 | else { | |
1564 | if (value < 0.0) | |
1565 | value = -value; | |
1566 | SETn(value); | |
1567 | } | |
a0d0e21e | 1568 | } |
774d564b | 1569 | RETURN; |
463ee0b2 LW |
1570 | } |
1571 | ||
79072805 LW |
1572 | PP(pp_hex) |
1573 | { | |
1574 | dSP; dTARGET; | |
1575 | char *tmps; | |
1576 | I32 argtype; | |
1577 | ||
a0d0e21e | 1578 | tmps = POPp; |
55497cff | 1579 | XPUSHu(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
1580 | RETURN; |
1581 | } | |
1582 | ||
1583 | PP(pp_oct) | |
1584 | { | |
1585 | dSP; dTARGET; | |
55497cff | 1586 | UV value; |
79072805 LW |
1587 | I32 argtype; |
1588 | char *tmps; | |
1589 | ||
a0d0e21e | 1590 | tmps = POPp; |
464e2e8a | 1591 | while (*tmps && isSPACE(*tmps)) |
1592 | tmps++; | |
1593 | if (*tmps == '0') | |
79072805 LW |
1594 | tmps++; |
1595 | if (*tmps == 'x') | |
464e2e8a | 1596 | value = scan_hex(++tmps, 99, &argtype); |
1597 | else | |
1598 | value = scan_oct(tmps, 99, &argtype); | |
55497cff | 1599 | XPUSHu(value); |
79072805 LW |
1600 | RETURN; |
1601 | } | |
1602 | ||
1603 | /* String stuff. */ | |
1604 | ||
1605 | PP(pp_length) | |
1606 | { | |
1607 | dSP; dTARGET; | |
a0d0e21e | 1608 | SETi( sv_len(TOPs) ); |
79072805 LW |
1609 | RETURN; |
1610 | } | |
1611 | ||
1612 | PP(pp_substr) | |
1613 | { | |
1614 | dSP; dTARGET; | |
1615 | SV *sv; | |
1616 | I32 len; | |
463ee0b2 | 1617 | STRLEN curlen; |
79072805 LW |
1618 | I32 pos; |
1619 | I32 rem; | |
a0d0e21e | 1620 | I32 lvalue = op->op_flags & OPf_MOD; |
79072805 | 1621 | char *tmps; |
a0d0e21e | 1622 | I32 arybase = curcop->cop_arybase; |
79072805 LW |
1623 | |
1624 | if (MAXARG > 2) | |
1625 | len = POPi; | |
1626 | pos = POPi - arybase; | |
1627 | sv = POPs; | |
a0d0e21e | 1628 | tmps = SvPV(sv, curlen); |
68dc0745 | 1629 | if (pos < 0) { |
79072805 | 1630 | pos += curlen + arybase; |
68dc0745 | 1631 | if (pos < 0 && MAXARG < 3) |
1632 | pos = 0; | |
1633 | } | |
2304df62 | 1634 | if (pos < 0 || pos > curlen) { |
a0d0e21e | 1635 | if (dowarn || lvalue) |
2304df62 AD |
1636 | warn("substr outside of string"); |
1637 | RETPUSHUNDEF; | |
1638 | } | |
79072805 LW |
1639 | else { |
1640 | if (MAXARG < 3) | |
1641 | len = curlen; | |
a0d0e21e | 1642 | else if (len < 0) { |
748a9306 | 1643 | len += curlen - pos; |
a0d0e21e LW |
1644 | if (len < 0) |
1645 | len = 0; | |
1646 | } | |
79072805 LW |
1647 | tmps += pos; |
1648 | rem = curlen - pos; /* rem=how many bytes left*/ | |
1649 | if (rem > len) | |
1650 | rem = len; | |
1651 | sv_setpvn(TARG, tmps, rem); | |
1652 | if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 1653 | if (!SvGMAGICAL(sv)) { |
1654 | if (SvROK(sv)) { | |
1655 | SvPV_force(sv,na); | |
1656 | if (dowarn) | |
1657 | warn("Attempt to use reference as lvalue in substr"); | |
1658 | } | |
1659 | if (SvOK(sv)) /* is it defined ? */ | |
1660 | (void)SvPOK_only(sv); | |
1661 | else | |
1662 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
1663 | } | |
5f05dabc | 1664 | |
a0d0e21e LW |
1665 | if (SvTYPE(TARG) < SVt_PVLV) { |
1666 | sv_upgrade(TARG, SVt_PVLV); | |
1667 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 1668 | } |
a0d0e21e | 1669 | |
5f05dabc | 1670 | LvTYPE(TARG) = 'x'; |
79072805 | 1671 | LvTARG(TARG) = sv; |
a0d0e21e | 1672 | LvTARGOFF(TARG) = pos; |
79072805 LW |
1673 | LvTARGLEN(TARG) = rem; |
1674 | } | |
1675 | } | |
1676 | PUSHs(TARG); /* avoid SvSETMAGIC here */ | |
1677 | RETURN; | |
1678 | } | |
1679 | ||
1680 | PP(pp_vec) | |
1681 | { | |
1682 | dSP; dTARGET; | |
1683 | register I32 size = POPi; | |
1684 | register I32 offset = POPi; | |
1685 | register SV *src = POPs; | |
a0d0e21e | 1686 | I32 lvalue = op->op_flags & OPf_MOD; |
463ee0b2 LW |
1687 | STRLEN srclen; |
1688 | unsigned char *s = (unsigned char*)SvPV(src, srclen); | |
79072805 LW |
1689 | unsigned long retnum; |
1690 | I32 len; | |
1691 | ||
1692 | offset *= size; /* turn into bit offset */ | |
1693 | len = (offset + size + 7) / 8; | |
1694 | if (offset < 0 || size < 1) | |
1695 | retnum = 0; | |
79072805 | 1696 | else { |
a0d0e21e LW |
1697 | if (lvalue) { /* it's an lvalue! */ |
1698 | if (SvTYPE(TARG) < SVt_PVLV) { | |
1699 | sv_upgrade(TARG, SVt_PVLV); | |
1700 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
1701 | } | |
1702 | ||
1703 | LvTYPE(TARG) = 'v'; | |
1704 | LvTARG(TARG) = src; | |
1705 | LvTARGOFF(TARG) = offset; | |
1706 | LvTARGLEN(TARG) = size; | |
1707 | } | |
93a17b20 | 1708 | if (len > srclen) { |
a0d0e21e LW |
1709 | if (size <= 8) |
1710 | retnum = 0; | |
1711 | else { | |
1712 | offset >>= 3; | |
748a9306 LW |
1713 | if (size == 16) { |
1714 | if (offset >= srclen) | |
1715 | retnum = 0; | |
a0d0e21e | 1716 | else |
748a9306 LW |
1717 | retnum = (unsigned long) s[offset] << 8; |
1718 | } | |
1719 | else if (size == 32) { | |
1720 | if (offset >= srclen) | |
1721 | retnum = 0; | |
1722 | else if (offset + 1 >= srclen) | |
a0d0e21e | 1723 | retnum = (unsigned long) s[offset] << 24; |
748a9306 LW |
1724 | else if (offset + 2 >= srclen) |
1725 | retnum = ((unsigned long) s[offset] << 24) + | |
1726 | ((unsigned long) s[offset + 1] << 16); | |
1727 | else | |
1728 | retnum = ((unsigned long) s[offset] << 24) + | |
1729 | ((unsigned long) s[offset + 1] << 16) + | |
1730 | (s[offset + 2] << 8); | |
a0d0e21e LW |
1731 | } |
1732 | } | |
79072805 | 1733 | } |
a0d0e21e | 1734 | else if (size < 8) |
79072805 LW |
1735 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
1736 | else { | |
1737 | offset >>= 3; | |
1738 | if (size == 8) | |
1739 | retnum = s[offset]; | |
1740 | else if (size == 16) | |
1741 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; | |
1742 | else if (size == 32) | |
1743 | retnum = ((unsigned long) s[offset] << 24) + | |
1744 | ((unsigned long) s[offset + 1] << 16) + | |
1745 | (s[offset + 2] << 8) + s[offset+3]; | |
1746 | } | |
79072805 LW |
1747 | } |
1748 | ||
1e422769 | 1749 | sv_setiv(TARG, (IV)retnum); |
79072805 LW |
1750 | PUSHs(TARG); |
1751 | RETURN; | |
1752 | } | |
1753 | ||
1754 | PP(pp_index) | |
1755 | { | |
1756 | dSP; dTARGET; | |
1757 | SV *big; | |
1758 | SV *little; | |
1759 | I32 offset; | |
1760 | I32 retval; | |
1761 | char *tmps; | |
1762 | char *tmps2; | |
463ee0b2 | 1763 | STRLEN biglen; |
a0d0e21e | 1764 | I32 arybase = curcop->cop_arybase; |
79072805 LW |
1765 | |
1766 | if (MAXARG < 3) | |
1767 | offset = 0; | |
1768 | else | |
1769 | offset = POPi - arybase; | |
1770 | little = POPs; | |
1771 | big = POPs; | |
463ee0b2 | 1772 | tmps = SvPV(big, biglen); |
79072805 LW |
1773 | if (offset < 0) |
1774 | offset = 0; | |
93a17b20 LW |
1775 | else if (offset > biglen) |
1776 | offset = biglen; | |
79072805 | 1777 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
93a17b20 | 1778 | (unsigned char*)tmps + biglen, little))) |
79072805 LW |
1779 | retval = -1 + arybase; |
1780 | else | |
1781 | retval = tmps2 - tmps + arybase; | |
1782 | PUSHi(retval); | |
1783 | RETURN; | |
1784 | } | |
1785 | ||
1786 | PP(pp_rindex) | |
1787 | { | |
1788 | dSP; dTARGET; | |
1789 | SV *big; | |
1790 | SV *little; | |
463ee0b2 LW |
1791 | STRLEN blen; |
1792 | STRLEN llen; | |
79072805 LW |
1793 | SV *offstr; |
1794 | I32 offset; | |
1795 | I32 retval; | |
1796 | char *tmps; | |
1797 | char *tmps2; | |
a0d0e21e | 1798 | I32 arybase = curcop->cop_arybase; |
79072805 | 1799 | |
a0d0e21e | 1800 | if (MAXARG >= 3) |
79072805 LW |
1801 | offstr = POPs; |
1802 | little = POPs; | |
1803 | big = POPs; | |
463ee0b2 LW |
1804 | tmps2 = SvPV(little, llen); |
1805 | tmps = SvPV(big, blen); | |
79072805 | 1806 | if (MAXARG < 3) |
463ee0b2 | 1807 | offset = blen; |
79072805 | 1808 | else |
463ee0b2 | 1809 | offset = SvIV(offstr) - arybase + llen; |
79072805 LW |
1810 | if (offset < 0) |
1811 | offset = 0; | |
463ee0b2 LW |
1812 | else if (offset > blen) |
1813 | offset = blen; | |
79072805 | 1814 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 1815 | tmps2, tmps2 + llen))) |
79072805 LW |
1816 | retval = -1 + arybase; |
1817 | else | |
1818 | retval = tmps2 - tmps + arybase; | |
1819 | PUSHi(retval); | |
1820 | RETURN; | |
1821 | } | |
1822 | ||
1823 | PP(pp_sprintf) | |
1824 | { | |
1825 | dSP; dMARK; dORIGMARK; dTARGET; | |
36477c24 | 1826 | #ifdef USE_LOCALE_NUMERIC |
bbce6d69 | 1827 | if (op->op_private & OPpLOCALE) |
36477c24 | 1828 | SET_NUMERIC_LOCAL(); |
bbce6d69 | 1829 | else |
36477c24 | 1830 | SET_NUMERIC_STANDARD(); |
1831 | #endif | |
79072805 | 1832 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 1833 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
1834 | SP = ORIGMARK; |
1835 | PUSHTARG; | |
1836 | RETURN; | |
1837 | } | |
1838 | ||
79072805 LW |
1839 | PP(pp_ord) |
1840 | { | |
1841 | dSP; dTARGET; | |
1842 | I32 value; | |
1843 | char *tmps; | |
79072805 | 1844 | |
79072805 | 1845 | #ifndef I286 |
a0d0e21e | 1846 | tmps = POPp; |
79072805 LW |
1847 | value = (I32) (*tmps & 255); |
1848 | #else | |
a0d0e21e LW |
1849 | I32 anum; |
1850 | tmps = POPp; | |
79072805 LW |
1851 | anum = (I32) *tmps; |
1852 | value = (I32) (anum & 255); | |
1853 | #endif | |
1854 | XPUSHi(value); | |
1855 | RETURN; | |
1856 | } | |
1857 | ||
463ee0b2 LW |
1858 | PP(pp_chr) |
1859 | { | |
1860 | dSP; dTARGET; | |
1861 | char *tmps; | |
1862 | ||
748a9306 LW |
1863 | (void)SvUPGRADE(TARG,SVt_PV); |
1864 | SvGROW(TARG,2); | |
463ee0b2 LW |
1865 | SvCUR_set(TARG, 1); |
1866 | tmps = SvPVX(TARG); | |
748a9306 LW |
1867 | *tmps++ = POPi; |
1868 | *tmps = '\0'; | |
a0d0e21e | 1869 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
1870 | XPUSHs(TARG); |
1871 | RETURN; | |
1872 | } | |
1873 | ||
79072805 LW |
1874 | PP(pp_crypt) |
1875 | { | |
1876 | dSP; dTARGET; dPOPTOPssrl; | |
1877 | #ifdef HAS_CRYPT | |
a0d0e21e | 1878 | char *tmps = SvPV(left, na); |
79072805 | 1879 | #ifdef FCRYPT |
a0d0e21e | 1880 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, na))); |
79072805 | 1881 | #else |
a0d0e21e | 1882 | sv_setpv(TARG, crypt(tmps, SvPV(right, na))); |
79072805 LW |
1883 | #endif |
1884 | #else | |
1885 | DIE( | |
1886 | "The crypt() function is unimplemented due to excessive paranoia."); | |
1887 | #endif | |
1888 | SETs(TARG); | |
1889 | RETURN; | |
1890 | } | |
1891 | ||
1892 | PP(pp_ucfirst) | |
1893 | { | |
1894 | dSP; | |
1895 | SV *sv = TOPs; | |
1896 | register char *s; | |
1897 | ||
ed6116ce | 1898 | if (!SvPADTMP(sv)) { |
79072805 LW |
1899 | dTARGET; |
1900 | sv_setsv(TARG, sv); | |
1901 | sv = TARG; | |
1902 | SETs(sv); | |
1903 | } | |
a0d0e21e | 1904 | s = SvPV_force(sv, na); |
bbce6d69 | 1905 | if (*s) { |
1906 | if (op->op_private & OPpLOCALE) { | |
1907 | TAINT; | |
1908 | SvTAINTED_on(sv); | |
1909 | *s = toUPPER_LC(*s); | |
1910 | } | |
1911 | else | |
1912 | *s = toUPPER(*s); | |
1913 | } | |
79072805 LW |
1914 | |
1915 | RETURN; | |
1916 | } | |
1917 | ||
1918 | PP(pp_lcfirst) | |
1919 | { | |
1920 | dSP; | |
1921 | SV *sv = TOPs; | |
1922 | register char *s; | |
1923 | ||
ed6116ce | 1924 | if (!SvPADTMP(sv)) { |
79072805 LW |
1925 | dTARGET; |
1926 | sv_setsv(TARG, sv); | |
1927 | sv = TARG; | |
1928 | SETs(sv); | |
1929 | } | |
a0d0e21e | 1930 | s = SvPV_force(sv, na); |
bbce6d69 | 1931 | if (*s) { |
1932 | if (op->op_private & OPpLOCALE) { | |
1933 | TAINT; | |
1934 | SvTAINTED_on(sv); | |
1935 | *s = toLOWER_LC(*s); | |
1936 | } | |
1937 | else | |
1938 | *s = toLOWER(*s); | |
1939 | } | |
79072805 LW |
1940 | |
1941 | SETs(sv); | |
1942 | RETURN; | |
1943 | } | |
1944 | ||
1945 | PP(pp_uc) | |
1946 | { | |
1947 | dSP; | |
1948 | SV *sv = TOPs; | |
1949 | register char *s; | |
463ee0b2 | 1950 | STRLEN len; |
79072805 | 1951 | |
ed6116ce | 1952 | if (!SvPADTMP(sv)) { |
79072805 LW |
1953 | dTARGET; |
1954 | sv_setsv(TARG, sv); | |
1955 | sv = TARG; | |
1956 | SETs(sv); | |
1957 | } | |
bbce6d69 | 1958 | |
a0d0e21e | 1959 | s = SvPV_force(sv, len); |
bbce6d69 | 1960 | if (len) { |
1961 | register char *send = s + len; | |
1962 | ||
1963 | if (op->op_private & OPpLOCALE) { | |
1964 | TAINT; | |
1965 | SvTAINTED_on(sv); | |
1966 | for (; s < send; s++) | |
1967 | *s = toUPPER_LC(*s); | |
1968 | } | |
1969 | else { | |
1970 | for (; s < send; s++) | |
1971 | *s = toUPPER(*s); | |
1972 | } | |
79072805 LW |
1973 | } |
1974 | RETURN; | |
1975 | } | |
1976 | ||
1977 | PP(pp_lc) | |
1978 | { | |
1979 | dSP; | |
1980 | SV *sv = TOPs; | |
1981 | register char *s; | |
463ee0b2 | 1982 | STRLEN len; |
79072805 | 1983 | |
ed6116ce | 1984 | if (!SvPADTMP(sv)) { |
79072805 LW |
1985 | dTARGET; |
1986 | sv_setsv(TARG, sv); | |
1987 | sv = TARG; | |
1988 | SETs(sv); | |
1989 | } | |
bbce6d69 | 1990 | |
a0d0e21e | 1991 | s = SvPV_force(sv, len); |
bbce6d69 | 1992 | if (len) { |
1993 | register char *send = s + len; | |
1994 | ||
1995 | if (op->op_private & OPpLOCALE) { | |
1996 | TAINT; | |
1997 | SvTAINTED_on(sv); | |
1998 | for (; s < send; s++) | |
1999 | *s = toLOWER_LC(*s); | |
2000 | } | |
2001 | else { | |
2002 | for (; s < send; s++) | |
2003 | *s = toLOWER(*s); | |
2004 | } | |
79072805 LW |
2005 | } |
2006 | RETURN; | |
2007 | } | |
2008 | ||
a0d0e21e | 2009 | PP(pp_quotemeta) |
79072805 | 2010 | { |
a0d0e21e LW |
2011 | dSP; dTARGET; |
2012 | SV *sv = TOPs; | |
2013 | STRLEN len; | |
2014 | register char *s = SvPV(sv,len); | |
2015 | register char *d; | |
79072805 | 2016 | |
a0d0e21e LW |
2017 | if (len) { |
2018 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 2019 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e LW |
2020 | d = SvPVX(TARG); |
2021 | while (len--) { | |
2022 | if (!isALNUM(*s)) | |
2023 | *d++ = '\\'; | |
2024 | *d++ = *s++; | |
79072805 | 2025 | } |
a0d0e21e LW |
2026 | *d = '\0'; |
2027 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
2028 | (void)SvPOK_only(TARG); | |
79072805 | 2029 | } |
a0d0e21e LW |
2030 | else |
2031 | sv_setpvn(TARG, s, len); | |
2032 | SETs(TARG); | |
79072805 LW |
2033 | RETURN; |
2034 | } | |
2035 | ||
a0d0e21e | 2036 | /* Arrays. */ |
79072805 | 2037 | |
a0d0e21e | 2038 | PP(pp_aslice) |
79072805 | 2039 | { |
a0d0e21e LW |
2040 | dSP; dMARK; dORIGMARK; |
2041 | register SV** svp; | |
2042 | register AV* av = (AV*)POPs; | |
2043 | register I32 lval = op->op_flags & OPf_MOD; | |
748a9306 LW |
2044 | I32 arybase = curcop->cop_arybase; |
2045 | I32 elem; | |
79072805 | 2046 | |
a0d0e21e | 2047 | if (SvTYPE(av) == SVt_PVAV) { |
748a9306 LW |
2048 | if (lval && op->op_private & OPpLVAL_INTRO) { |
2049 | I32 max = -1; | |
2050 | for (svp = mark + 1; svp <= sp; svp++) { | |
2051 | elem = SvIVx(*svp); | |
2052 | if (elem > max) | |
2053 | max = elem; | |
2054 | } | |
2055 | if (max > AvMAX(av)) | |
2056 | av_extend(av, max); | |
2057 | } | |
a0d0e21e | 2058 | while (++MARK <= SP) { |
748a9306 | 2059 | elem = SvIVx(*MARK); |
a0d0e21e | 2060 | |
748a9306 LW |
2061 | if (elem > 0) |
2062 | elem -= arybase; | |
a0d0e21e LW |
2063 | svp = av_fetch(av, elem, lval); |
2064 | if (lval) { | |
2065 | if (!svp || *svp == &sv_undef) | |
2066 | DIE(no_aelem, elem); | |
2067 | if (op->op_private & OPpLVAL_INTRO) | |
2068 | save_svref(svp); | |
79072805 | 2069 | } |
a0d0e21e | 2070 | *MARK = svp ? *svp : &sv_undef; |
79072805 LW |
2071 | } |
2072 | } | |
748a9306 | 2073 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
2074 | MARK = ORIGMARK; |
2075 | *++MARK = *SP; | |
2076 | SP = MARK; | |
2077 | } | |
79072805 LW |
2078 | RETURN; |
2079 | } | |
2080 | ||
2081 | /* Associative arrays. */ | |
2082 | ||
2083 | PP(pp_each) | |
2084 | { | |
2085 | dSP; dTARGET; | |
2086 | HV *hash = (HV*)POPs; | |
c07a80fd | 2087 | HE *entry; |
54310121 | 2088 | I32 gimme = GIMME_V; |
c07a80fd | 2089 | |
2090 | PUTBACK; | |
54310121 | 2091 | entry = hv_iternext(hash); /* might clobber stack_sp */ |
c07a80fd | 2092 | SPAGAIN; |
79072805 | 2093 | |
79072805 LW |
2094 | EXTEND(SP, 2); |
2095 | if (entry) { | |
54310121 | 2096 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
2097 | if (gimme == G_ARRAY) { | |
c07a80fd | 2098 | PUTBACK; |
54310121 | 2099 | sv_setsv(TARG, hv_iterval(hash, entry)); /* might hit stack_sp */ |
c07a80fd | 2100 | SPAGAIN; |
8990e307 | 2101 | PUSHs(TARG); |
79072805 | 2102 | } |
79072805 | 2103 | } |
54310121 | 2104 | else if (gimme == G_SCALAR) |
79072805 LW |
2105 | RETPUSHUNDEF; |
2106 | ||
2107 | RETURN; | |
2108 | } | |
2109 | ||
2110 | PP(pp_values) | |
2111 | { | |
2112 | return do_kv(ARGS); | |
2113 | } | |
2114 | ||
2115 | PP(pp_keys) | |
2116 | { | |
2117 | return do_kv(ARGS); | |
2118 | } | |
2119 | ||
2120 | PP(pp_delete) | |
2121 | { | |
2122 | dSP; | |
54310121 | 2123 | I32 gimme = GIMME_V; |
2124 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 2125 | SV *sv; |
5f05dabc | 2126 | HV *hv; |
2127 | ||
2128 | if (op->op_private & OPpSLICE) { | |
2129 | dMARK; dORIGMARK; | |
2130 | hv = (HV*)POPs; | |
2131 | if (SvTYPE(hv) != SVt_PVHV) | |
2132 | DIE("Not a HASH reference"); | |
2133 | while (++MARK <= SP) { | |
54310121 | 2134 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
5f05dabc | 2135 | *MARK = sv ? sv : &sv_undef; |
2136 | } | |
54310121 | 2137 | if (discard) |
2138 | SP = ORIGMARK; | |
2139 | else if (gimme == G_SCALAR) { | |
5f05dabc | 2140 | MARK = ORIGMARK; |
2141 | *++MARK = *SP; | |
2142 | SP = MARK; | |
2143 | } | |
2144 | } | |
2145 | else { | |
2146 | SV *keysv = POPs; | |
2147 | hv = (HV*)POPs; | |
2148 | if (SvTYPE(hv) != SVt_PVHV) | |
2149 | DIE("Not a HASH reference"); | |
54310121 | 2150 | sv = hv_delete_ent(hv, keysv, discard, 0); |
5f05dabc | 2151 | if (!sv) |
2152 | sv = &sv_undef; | |
54310121 | 2153 | if (!discard) |
2154 | PUSHs(sv); | |
79072805 | 2155 | } |
79072805 LW |
2156 | RETURN; |
2157 | } | |
2158 | ||
a0d0e21e | 2159 | PP(pp_exists) |
79072805 | 2160 | { |
a0d0e21e LW |
2161 | dSP; |
2162 | SV *tmpsv = POPs; | |
2163 | HV *hv = (HV*)POPs; | |
a0d0e21e LW |
2164 | STRLEN len; |
2165 | if (SvTYPE(hv) != SVt_PVHV) { | |
2166 | DIE("Not a HASH reference"); | |
2167 | } | |
f12c7020 | 2168 | if (hv_exists_ent(hv, tmpsv, 0)) |
a0d0e21e LW |
2169 | RETPUSHYES; |
2170 | RETPUSHNO; | |
2171 | } | |
79072805 | 2172 | |
a0d0e21e LW |
2173 | PP(pp_hslice) |
2174 | { | |
2175 | dSP; dMARK; dORIGMARK; | |
f12c7020 | 2176 | register HE *he; |
a0d0e21e LW |
2177 | register HV *hv = (HV*)POPs; |
2178 | register I32 lval = op->op_flags & OPf_MOD; | |
79072805 | 2179 | |
a0d0e21e LW |
2180 | if (SvTYPE(hv) == SVt_PVHV) { |
2181 | while (++MARK <= SP) { | |
f12c7020 | 2182 | SV *keysv = *MARK; |
79072805 | 2183 | |
f12c7020 | 2184 | he = hv_fetch_ent(hv, keysv, lval, 0); |
a0d0e21e | 2185 | if (lval) { |
f12c7020 | 2186 | if (!he || HeVAL(he) == &sv_undef) |
2187 | DIE(no_helem, SvPV(keysv, na)); | |
a0d0e21e | 2188 | if (op->op_private & OPpLVAL_INTRO) |
f12c7020 | 2189 | save_svref(&HeVAL(he)); |
93a17b20 | 2190 | } |
f12c7020 | 2191 | *MARK = he ? HeVAL(he) : &sv_undef; |
79072805 LW |
2192 | } |
2193 | } | |
a0d0e21e LW |
2194 | if (GIMME != G_ARRAY) { |
2195 | MARK = ORIGMARK; | |
2196 | *++MARK = *SP; | |
2197 | SP = MARK; | |
79072805 | 2198 | } |
a0d0e21e LW |
2199 | RETURN; |
2200 | } | |
2201 | ||
2202 | /* List operators. */ | |
2203 | ||
2204 | PP(pp_list) | |
2205 | { | |
2206 | dSP; dMARK; | |
2207 | if (GIMME != G_ARRAY) { | |
2208 | if (++MARK <= SP) | |
2209 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 2210 | else |
a0d0e21e LW |
2211 | *MARK = &sv_undef; |
2212 | SP = MARK; | |
79072805 | 2213 | } |
a0d0e21e | 2214 | RETURN; |
79072805 LW |
2215 | } |
2216 | ||
a0d0e21e | 2217 | PP(pp_lslice) |
79072805 LW |
2218 | { |
2219 | dSP; | |
a0d0e21e LW |
2220 | SV **lastrelem = stack_sp; |
2221 | SV **lastlelem = stack_base + POPMARK; | |
2222 | SV **firstlelem = stack_base + POPMARK + 1; | |
2223 | register SV **firstrelem = lastlelem + 1; | |
2224 | I32 arybase = curcop->cop_arybase; | |
4633a7c4 LW |
2225 | I32 lval = op->op_flags & OPf_MOD; |
2226 | I32 is_something_there = lval; | |
79072805 | 2227 | |
a0d0e21e LW |
2228 | register I32 max = lastrelem - lastlelem; |
2229 | register SV **lelem; | |
2230 | register I32 ix; | |
2231 | ||
2232 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
2233 | ix = SvIVx(*lastlelem); |
2234 | if (ix < 0) | |
2235 | ix += max; | |
2236 | else | |
2237 | ix -= arybase; | |
a0d0e21e LW |
2238 | if (ix < 0 || ix >= max) |
2239 | *firstlelem = &sv_undef; | |
2240 | else | |
2241 | *firstlelem = firstrelem[ix]; | |
2242 | SP = firstlelem; | |
2243 | RETURN; | |
2244 | } | |
2245 | ||
2246 | if (max == 0) { | |
2247 | SP = firstlelem - 1; | |
2248 | RETURN; | |
2249 | } | |
2250 | ||
2251 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 2252 | ix = SvIVx(*lelem); |
a0d0e21e LW |
2253 | if (ix < 0) { |
2254 | ix += max; | |
2255 | if (ix < 0) | |
2256 | *lelem = &sv_undef; | |
2257 | else if (!(*lelem = firstrelem[ix])) | |
2258 | *lelem = &sv_undef; | |
79072805 | 2259 | } |
748a9306 LW |
2260 | else { |
2261 | ix -= arybase; | |
2262 | if (ix >= max || !(*lelem = firstrelem[ix])) | |
2263 | *lelem = &sv_undef; | |
2264 | } | |
ff0cee69 | 2265 | if (!is_something_there && (SvOK(*lelem) || SvGMAGICAL(*lelem))) |
4633a7c4 | 2266 | is_something_there = TRUE; |
79072805 | 2267 | } |
4633a7c4 LW |
2268 | if (is_something_there) |
2269 | SP = lastlelem; | |
2270 | else | |
2271 | SP = firstlelem - 1; | |
79072805 LW |
2272 | RETURN; |
2273 | } | |
2274 | ||
a0d0e21e LW |
2275 | PP(pp_anonlist) |
2276 | { | |
44a8e56a | 2277 | dSP; dMARK; dORIGMARK; |
a0d0e21e | 2278 | I32 items = SP - MARK; |
44a8e56a | 2279 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
2280 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
2281 | XPUSHs(av); | |
a0d0e21e LW |
2282 | RETURN; |
2283 | } | |
2284 | ||
2285 | PP(pp_anonhash) | |
79072805 LW |
2286 | { |
2287 | dSP; dMARK; dORIGMARK; | |
a0d0e21e LW |
2288 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2289 | ||
2290 | while (MARK < SP) { | |
2291 | SV* key = *++MARK; | |
a0d0e21e LW |
2292 | SV *val = NEWSV(46, 0); |
2293 | if (MARK < SP) | |
2294 | sv_setsv(val, *++MARK); | |
2295 | else | |
2296 | warn("Odd number of elements in hash list"); | |
f12c7020 | 2297 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 2298 | } |
a0d0e21e LW |
2299 | SP = ORIGMARK; |
2300 | XPUSHs((SV*)hv); | |
79072805 LW |
2301 | RETURN; |
2302 | } | |
2303 | ||
a0d0e21e | 2304 | PP(pp_splice) |
79072805 | 2305 | { |
a0d0e21e LW |
2306 | dSP; dMARK; dORIGMARK; |
2307 | register AV *ary = (AV*)*++MARK; | |
2308 | register SV **src; | |
2309 | register SV **dst; | |
2310 | register I32 i; | |
2311 | register I32 offset; | |
2312 | register I32 length; | |
2313 | I32 newlen; | |
2314 | I32 after; | |
2315 | I32 diff; | |
2316 | SV **tmparyval = 0; | |
79072805 | 2317 | |
a0d0e21e | 2318 | SP++; |
79072805 | 2319 | |
a0d0e21e LW |
2320 | if (++MARK < SP) { |
2321 | offset = SvIVx(*MARK); | |
2322 | if (offset < 0) | |
2323 | offset += AvFILL(ary) + 1; | |
2324 | else | |
2325 | offset -= curcop->cop_arybase; | |
2326 | if (++MARK < SP) { | |
2327 | length = SvIVx(*MARK++); | |
2328 | if (length < 0) | |
2329 | length = 0; | |
79072805 LW |
2330 | } |
2331 | else | |
a0d0e21e | 2332 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 2333 | } |
a0d0e21e LW |
2334 | else { |
2335 | offset = 0; | |
2336 | length = AvMAX(ary) + 1; | |
2337 | } | |
2338 | if (offset < 0) { | |
2339 | length += offset; | |
2340 | offset = 0; | |
2341 | if (length < 0) | |
2342 | length = 0; | |
2343 | } | |
2344 | if (offset > AvFILL(ary) + 1) | |
2345 | offset = AvFILL(ary) + 1; | |
2346 | after = AvFILL(ary) + 1 - (offset + length); | |
2347 | if (after < 0) { /* not that much array */ | |
2348 | length += after; /* offset+length now in array */ | |
2349 | after = 0; | |
2350 | if (!AvALLOC(ary)) | |
2351 | av_extend(ary, 0); | |
2352 | } | |
2353 | ||
2354 | /* At this point, MARK .. SP-1 is our new LIST */ | |
2355 | ||
2356 | newlen = SP - MARK; | |
2357 | diff = newlen - length; | |
2358 | ||
2359 | if (diff < 0) { /* shrinking the area */ | |
2360 | if (newlen) { | |
2361 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
2362 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 2363 | } |
a0d0e21e LW |
2364 | |
2365 | MARK = ORIGMARK + 1; | |
2366 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2367 | MEXTEND(MARK, length); | |
2368 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
2369 | if (AvREAL(ary)) { | |
bbce6d69 | 2370 | EXTEND_MORTAL(length); |
36477c24 | 2371 | for (i = length, dst = MARK; i; i--) { |
2372 | if (!SvIMMORTAL(*dst)) | |
2373 | sv_2mortal(*dst); /* free them eventualy */ | |
2374 | dst++; | |
2375 | } | |
a0d0e21e LW |
2376 | } |
2377 | MARK += length - 1; | |
79072805 | 2378 | } |
a0d0e21e LW |
2379 | else { |
2380 | *MARK = AvARRAY(ary)[offset+length-1]; | |
2381 | if (AvREAL(ary)) { | |
36477c24 | 2382 | if (!SvIMMORTAL(*MARK)) |
2383 | sv_2mortal(*MARK); | |
a0d0e21e LW |
2384 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2385 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 2386 | } |
a0d0e21e LW |
2387 | } |
2388 | AvFILL(ary) += diff; | |
2389 | ||
2390 | /* pull up or down? */ | |
2391 | ||
2392 | if (offset < after) { /* easier to pull up */ | |
2393 | if (offset) { /* esp. if nothing to pull */ | |
2394 | src = &AvARRAY(ary)[offset-1]; | |
2395 | dst = src - diff; /* diff is negative */ | |
2396 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
2397 | *dst-- = *src--; | |
79072805 | 2398 | } |
a0d0e21e LW |
2399 | dst = AvARRAY(ary); |
2400 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
2401 | AvMAX(ary) += diff; | |
2402 | } | |
2403 | else { | |
2404 | if (after) { /* anything to pull down? */ | |
2405 | src = AvARRAY(ary) + offset + length; | |
2406 | dst = src + diff; /* diff is negative */ | |
2407 | Move(src, dst, after, SV*); | |
79072805 | 2408 | } |
a0d0e21e LW |
2409 | dst = &AvARRAY(ary)[AvFILL(ary)+1]; |
2410 | /* avoid later double free */ | |
2411 | } | |
2412 | i = -diff; | |
2413 | while (i) | |
2414 | dst[--i] = &sv_undef; | |
2415 | ||
2416 | if (newlen) { | |
2417 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
2418 | newlen; newlen--) { | |
2419 | *dst = NEWSV(46, 0); | |
2420 | sv_setsv(*dst++, *src++); | |
79072805 | 2421 | } |
a0d0e21e LW |
2422 | Safefree(tmparyval); |
2423 | } | |
2424 | } | |
2425 | else { /* no, expanding (or same) */ | |
2426 | if (length) { | |
2427 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
2428 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
2429 | } | |
2430 | ||
2431 | if (diff > 0) { /* expanding */ | |
2432 | ||
2433 | /* push up or down? */ | |
2434 | ||
2435 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
2436 | if (offset) { | |
2437 | src = AvARRAY(ary); | |
2438 | dst = src - diff; | |
2439 | Move(src, dst, offset, SV*); | |
79072805 | 2440 | } |
a0d0e21e LW |
2441 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2442 | AvMAX(ary) += diff; | |
2443 | AvFILL(ary) += diff; | |
79072805 LW |
2444 | } |
2445 | else { | |
a0d0e21e LW |
2446 | if (AvFILL(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2447 | av_extend(ary, AvFILL(ary) + diff); | |
2448 | AvFILL(ary) += diff; | |
2449 | ||
2450 | if (after) { | |
2451 | dst = AvARRAY(ary) + AvFILL(ary); | |
2452 | src = dst - diff; | |
2453 | for (i = after; i; i--) { | |
2454 | *dst-- = *src--; | |
2455 | } | |
79072805 LW |
2456 | } |
2457 | } | |
a0d0e21e LW |
2458 | } |
2459 | ||
2460 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
2461 | *dst = NEWSV(46, 0); | |
2462 | sv_setsv(*dst++, *src++); | |
2463 | } | |
2464 | MARK = ORIGMARK + 1; | |
2465 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2466 | if (length) { | |
2467 | Copy(tmparyval, MARK, length, SV*); | |
2468 | if (AvREAL(ary)) { | |
bbce6d69 | 2469 | EXTEND_MORTAL(length); |
36477c24 | 2470 | for (i = length, dst = MARK; i; i--) { |
2471 | if (!SvIMMORTAL(*dst)) | |
2472 | sv_2mortal(*dst); /* free them eventualy */ | |
2473 | dst++; | |
2474 | } | |
79072805 | 2475 | } |
a0d0e21e | 2476 | Safefree(tmparyval); |
79072805 | 2477 | } |
a0d0e21e LW |
2478 | MARK += length - 1; |
2479 | } | |
2480 | else if (length--) { | |
2481 | *MARK = tmparyval[length]; | |
2482 | if (AvREAL(ary)) { | |
36477c24 | 2483 | if (!SvIMMORTAL(*MARK)) |
2484 | sv_2mortal(*MARK); | |
a0d0e21e LW |
2485 | while (length-- > 0) |
2486 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 2487 | } |
a0d0e21e | 2488 | Safefree(tmparyval); |
79072805 | 2489 | } |
a0d0e21e LW |
2490 | else |
2491 | *MARK = &sv_undef; | |
79072805 | 2492 | } |
a0d0e21e | 2493 | SP = MARK; |
79072805 LW |
2494 | RETURN; |
2495 | } | |
2496 | ||
a0d0e21e | 2497 | PP(pp_push) |
79072805 LW |
2498 | { |
2499 | dSP; dMARK; dORIGMARK; dTARGET; | |
a0d0e21e LW |
2500 | register AV *ary = (AV*)*++MARK; |
2501 | register SV *sv = &sv_undef; | |
79072805 | 2502 | |
a0d0e21e LW |
2503 | for (++MARK; MARK <= SP; MARK++) { |
2504 | sv = NEWSV(51, 0); | |
2505 | if (*MARK) | |
2506 | sv_setsv(sv, *MARK); | |
2507 | av_push(ary, sv); | |
79072805 LW |
2508 | } |
2509 | SP = ORIGMARK; | |
a0d0e21e | 2510 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
2511 | RETURN; |
2512 | } | |
2513 | ||
a0d0e21e | 2514 | PP(pp_pop) |
79072805 LW |
2515 | { |
2516 | dSP; | |
a0d0e21e LW |
2517 | AV *av = (AV*)POPs; |
2518 | SV *sv = av_pop(av); | |
36477c24 | 2519 | if (!SvIMMORTAL(sv) && AvREAL(av)) |
a0d0e21e LW |
2520 | (void)sv_2mortal(sv); |
2521 | PUSHs(sv); | |
79072805 | 2522 | RETURN; |
79072805 LW |
2523 | } |
2524 | ||
a0d0e21e | 2525 | PP(pp_shift) |
79072805 LW |
2526 | { |
2527 | dSP; | |
a0d0e21e LW |
2528 | AV *av = (AV*)POPs; |
2529 | SV *sv = av_shift(av); | |
79072805 | 2530 | EXTEND(SP, 1); |
a0d0e21e | 2531 | if (!sv) |
79072805 | 2532 | RETPUSHUNDEF; |
36477c24 | 2533 | if (!SvIMMORTAL(sv) && AvREAL(av)) |
a0d0e21e LW |
2534 | (void)sv_2mortal(sv); |
2535 | PUSHs(sv); | |
79072805 | 2536 | RETURN; |
79072805 LW |
2537 | } |
2538 | ||
a0d0e21e | 2539 | PP(pp_unshift) |
79072805 | 2540 | { |
a0d0e21e LW |
2541 | dSP; dMARK; dORIGMARK; dTARGET; |
2542 | register AV *ary = (AV*)*++MARK; | |
2543 | register SV *sv; | |
2544 | register I32 i = 0; | |
79072805 | 2545 | |
a0d0e21e LW |
2546 | av_unshift(ary, SP - MARK); |
2547 | while (MARK < SP) { | |
2548 | sv = NEWSV(27, 0); | |
2549 | sv_setsv(sv, *++MARK); | |
2550 | (void)av_store(ary, i++, sv); | |
79072805 | 2551 | } |
79072805 | 2552 | |
a0d0e21e LW |
2553 | SP = ORIGMARK; |
2554 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 2555 | RETURN; |
79072805 LW |
2556 | } |
2557 | ||
a0d0e21e | 2558 | PP(pp_reverse) |
79072805 | 2559 | { |
a0d0e21e LW |
2560 | dSP; dMARK; |
2561 | register SV *tmp; | |
2562 | SV **oldsp = SP; | |
79072805 | 2563 | |
a0d0e21e LW |
2564 | if (GIMME == G_ARRAY) { |
2565 | MARK++; | |
2566 | while (MARK < SP) { | |
2567 | tmp = *MARK; | |
2568 | *MARK++ = *SP; | |
2569 | *SP-- = tmp; | |
2570 | } | |
2571 | SP = oldsp; | |
79072805 LW |
2572 | } |
2573 | else { | |
a0d0e21e LW |
2574 | register char *up; |
2575 | register char *down; | |
2576 | register I32 tmp; | |
2577 | dTARGET; | |
2578 | STRLEN len; | |
79072805 | 2579 | |
a0d0e21e LW |
2580 | if (SP - MARK > 1) |
2581 | do_join(TARG, &sv_no, MARK, SP); | |
2582 | else | |
54310121 | 2583 | sv_setsv(TARG, (SP > MARK) ? *SP : GvSV(defgv)); |
a0d0e21e LW |
2584 | up = SvPV_force(TARG, len); |
2585 | if (len > 1) { | |
2586 | down = SvPVX(TARG) + len - 1; | |
2587 | while (down > up) { | |
2588 | tmp = *up; | |
2589 | *up++ = *down; | |
2590 | *down-- = tmp; | |
2591 | } | |
2592 | (void)SvPOK_only(TARG); | |
79072805 | 2593 | } |
a0d0e21e LW |
2594 | SP = MARK + 1; |
2595 | SETTARG; | |
79072805 | 2596 | } |
a0d0e21e | 2597 | RETURN; |
79072805 LW |
2598 | } |
2599 | ||
55497cff | 2600 | static SV * |
2601 | mul128(sv, m) | |
2602 | SV *sv; | |
2603 | U8 m; | |
2604 | { | |
2605 | STRLEN len; | |
2606 | char *s = SvPV(sv, len); | |
2607 | char *t; | |
2608 | U32 i = 0; | |
2609 | ||
2610 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ | |
2611 | SV *new = newSVpv("0000000000", 10); | |
2612 | ||
2613 | sv_catsv(new, sv); | |
2614 | SvREFCNT_dec(sv); /* free old sv */ | |
2615 | sv = new; | |
2616 | s = SvPV(sv, len); | |
2617 | } | |
2618 | t = s + len - 1; | |
2619 | while (!*t) /* trailing '\0'? */ | |
2620 | t--; | |
2621 | while (t > s) { | |
2622 | i = ((*t - '0') << 7) + m; | |
2623 | *(t--) = '0' + (i % 10); | |
2624 | m = i / 10; | |
2625 | } | |
2626 | return (sv); | |
2627 | } | |
2628 | ||
a0d0e21e LW |
2629 | /* Explosives and implosives. */ |
2630 | ||
2631 | PP(pp_unpack) | |
79072805 LW |
2632 | { |
2633 | dSP; | |
a0d0e21e | 2634 | dPOPPOPssrl; |
36477c24 | 2635 | SV **oldsp = sp; |
54310121 | 2636 | I32 gimme = GIMME_V; |
ed6116ce | 2637 | SV *sv; |
a0d0e21e LW |
2638 | STRLEN llen; |
2639 | STRLEN rlen; | |
2640 | register char *pat = SvPV(left, llen); | |
2641 | register char *s = SvPV(right, rlen); | |
2642 | char *strend = s + rlen; | |
2643 | char *strbeg = s; | |
2644 | register char *patend = pat + llen; | |
2645 | I32 datumtype; | |
2646 | register I32 len; | |
2647 | register I32 bits; | |
79072805 | 2648 | |
a0d0e21e LW |
2649 | /* These must not be in registers: */ |
2650 | I16 ashort; | |
2651 | int aint; | |
2652 | I32 along; | |
ecfc5424 AD |
2653 | #ifdef HAS_QUAD |
2654 | Quad_t aquad; | |
a0d0e21e LW |
2655 | #endif |
2656 | U16 aushort; | |
2657 | unsigned int auint; | |
2658 | U32 aulong; | |
ecfc5424 AD |
2659 | #ifdef HAS_QUAD |
2660 | unsigned Quad_t auquad; | |
a0d0e21e LW |
2661 | #endif |
2662 | char *aptr; | |
2663 | float afloat; | |
2664 | double adouble; | |
2665 | I32 checksum = 0; | |
2666 | register U32 culong; | |
2667 | double cdouble; | |
2668 | static char* bitcount = 0; | |
79072805 | 2669 | |
54310121 | 2670 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
a0d0e21e LW |
2671 | /*SUPPRESS 530*/ |
2672 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
748a9306 | 2673 | if (strchr("aAbBhHP", *patend) || *pat == '%') { |
a0d0e21e LW |
2674 | patend++; |
2675 | while (isDIGIT(*patend) || *patend == '*') | |
2676 | patend++; | |
2677 | } | |
2678 | else | |
2679 | patend++; | |
79072805 | 2680 | } |
a0d0e21e LW |
2681 | while (pat < patend) { |
2682 | reparse: | |
bbdab043 CS |
2683 | datumtype = *pat++ & 0xFF; |
2684 | if (isSPACE(datumtype)) | |
2685 | continue; | |
a0d0e21e LW |
2686 | if (pat >= patend) |
2687 | len = 1; | |
2688 | else if (*pat == '*') { | |
2689 | len = strend - strbeg; /* long enough */ | |
2690 | pat++; | |
2691 | } | |
2692 | else if (isDIGIT(*pat)) { | |
2693 | len = *pat++ - '0'; | |
2694 | while (isDIGIT(*pat)) | |
2695 | len = (len * 10) + (*pat++ - '0'); | |
2696 | } | |
2697 | else | |
2698 | len = (datumtype != '@'); | |
2699 | switch(datumtype) { | |
2700 | default: | |
bbdab043 | 2701 | croak("Invalid type in unpack: '%c'", (int)datumtype); |
a0d0e21e LW |
2702 | case '%': |
2703 | if (len == 1 && pat[-1] != '1') | |
2704 | len = 16; | |
2705 | checksum = len; | |
2706 | culong = 0; | |
2707 | cdouble = 0; | |
2708 | if (pat < patend) | |
2709 | goto reparse; | |
2710 | break; | |
2711 | case '@': | |
2712 | if (len > strend - strbeg) | |
2713 | DIE("@ outside of string"); | |
2714 | s = strbeg + len; | |
2715 | break; | |
2716 | case 'X': | |
2717 | if (len > s - strbeg) | |
2718 | DIE("X outside of string"); | |
2719 | s -= len; | |
2720 | break; | |
2721 | case 'x': | |
2722 | if (len > strend - s) | |
2723 | DIE("x outside of string"); | |
2724 | s += len; | |
2725 | break; | |
2726 | case 'A': | |
2727 | case 'a': | |
2728 | if (len > strend - s) | |
2729 | len = strend - s; | |
2730 | if (checksum) | |
2731 | goto uchar_checksum; | |
2732 | sv = NEWSV(35, len); | |
2733 | sv_setpvn(sv, s, len); | |
2734 | s += len; | |
2735 | if (datumtype == 'A') { | |
2736 | aptr = s; /* borrow register */ | |
2737 | s = SvPVX(sv) + len - 1; | |
2738 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) | |
2739 | s--; | |
2740 | *++s = '\0'; | |
2741 | SvCUR_set(sv, s - SvPVX(sv)); | |
2742 | s = aptr; /* unborrow register */ | |
2743 | } | |
2744 | XPUSHs(sv_2mortal(sv)); | |
2745 | break; | |
2746 | case 'B': | |
2747 | case 'b': | |
2748 | if (pat[-1] == '*' || len > (strend - s) * 8) | |
2749 | len = (strend - s) * 8; | |
2750 | if (checksum) { | |
2751 | if (!bitcount) { | |
2752 | Newz(601, bitcount, 256, char); | |
2753 | for (bits = 1; bits < 256; bits++) { | |
2754 | if (bits & 1) bitcount[bits]++; | |
2755 | if (bits & 2) bitcount[bits]++; | |
2756 | if (bits & 4) bitcount[bits]++; | |
2757 | if (bits & 8) bitcount[bits]++; | |
2758 | if (bits & 16) bitcount[bits]++; | |
2759 | if (bits & 32) bitcount[bits]++; | |
2760 | if (bits & 64) bitcount[bits]++; | |
2761 | if (bits & 128) bitcount[bits]++; | |
2762 | } | |
2763 | } | |
2764 | while (len >= 8) { | |
2765 | culong += bitcount[*(unsigned char*)s++]; | |
2766 | len -= 8; | |
2767 | } | |
2768 | if (len) { | |
2769 | bits = *s; | |
2770 | if (datumtype == 'b') { | |
2771 | while (len-- > 0) { | |
2772 | if (bits & 1) culong++; | |
2773 | bits >>= 1; | |
2774 | } | |
2775 | } | |
2776 | else { | |
2777 | while (len-- > 0) { | |
2778 | if (bits & 128) culong++; | |
2779 | bits <<= 1; | |
2780 | } | |
2781 | } | |
2782 | } | |
79072805 LW |
2783 | break; |
2784 | } | |
a0d0e21e LW |
2785 | sv = NEWSV(35, len + 1); |
2786 | SvCUR_set(sv, len); | |
2787 | SvPOK_on(sv); | |
2788 | aptr = pat; /* borrow register */ | |
2789 | pat = SvPVX(sv); | |
2790 | if (datumtype == 'b') { | |
2791 | aint = len; | |
2792 | for (len = 0; len < aint; len++) { | |
2793 | if (len & 7) /*SUPPRESS 595*/ | |
2794 | bits >>= 1; | |
2795 | else | |
2796 | bits = *s++; | |
2797 | *pat++ = '0' + (bits & 1); | |
2798 | } | |
2799 | } | |
2800 | else { | |
2801 | aint = len; | |
2802 | for (len = 0; len < aint; len++) { | |
2803 | if (len & 7) | |
2804 | bits <<= 1; | |
2805 | else | |
2806 | bits = *s++; | |
2807 | *pat++ = '0' + ((bits & 128) != 0); | |
2808 | } | |
2809 | } | |
2810 | *pat = '\0'; | |
2811 | pat = aptr; /* unborrow register */ | |
2812 | XPUSHs(sv_2mortal(sv)); | |
2813 | break; | |
2814 | case 'H': | |
2815 | case 'h': | |
2816 | if (pat[-1] == '*' || len > (strend - s) * 2) | |
2817 | len = (strend - s) * 2; | |
2818 | sv = NEWSV(35, len + 1); | |
2819 | SvCUR_set(sv, len); | |
2820 | SvPOK_on(sv); | |
2821 | aptr = pat; /* borrow register */ | |
2822 | pat = SvPVX(sv); | |
2823 | if (datumtype == 'h') { | |
2824 | aint = len; | |
2825 | for (len = 0; len < aint; len++) { | |
2826 | if (len & 1) | |
2827 | bits >>= 4; | |
2828 | else | |
2829 | bits = *s++; | |
2830 | *pat++ = hexdigit[bits & 15]; | |
2831 | } | |
2832 | } | |
2833 | else { | |
2834 | aint = len; | |
2835 | for (len = 0; len < aint; len++) { | |
2836 | if (len & 1) | |
2837 | bits <<= 4; | |
2838 | else | |
2839 | bits = *s++; | |
2840 | *pat++ = hexdigit[(bits >> 4) & 15]; | |
2841 | } | |
2842 | } | |
2843 | *pat = '\0'; | |
2844 | pat = aptr; /* unborrow register */ | |
2845 | XPUSHs(sv_2mortal(sv)); | |
2846 | break; | |
2847 | case 'c': | |
2848 | if (len > strend - s) | |
2849 | len = strend - s; | |
2850 | if (checksum) { | |
2851 | while (len-- > 0) { | |
2852 | aint = *s++; | |
2853 | if (aint >= 128) /* fake up signed chars */ | |
2854 | aint -= 256; | |
2855 | culong += aint; | |
2856 | } | |
2857 | } | |
2858 | else { | |
2859 | EXTEND(SP, len); | |
bbce6d69 | 2860 | EXTEND_MORTAL(len); |
a0d0e21e LW |
2861 | while (len-- > 0) { |
2862 | aint = *s++; | |
2863 | if (aint >= 128) /* fake up signed chars */ | |
2864 | aint -= 256; | |
2865 | sv = NEWSV(36, 0); | |
1e422769 | 2866 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
2867 | PUSHs(sv_2mortal(sv)); |
2868 | } | |
2869 | } | |
2870 | break; | |
2871 | case 'C': | |
2872 | if (len > strend - s) | |
2873 | len = strend - s; | |
2874 | if (checksum) { | |
2875 | uchar_checksum: | |
2876 | while (len-- > 0) { | |
2877 | auint = *s++ & 255; | |
2878 | culong += auint; | |
2879 | } | |
2880 | } | |
2881 | else { | |
2882 | EXTEND(SP, len); | |
bbce6d69 | 2883 | EXTEND_MORTAL(len); |
a0d0e21e LW |
2884 | while (len-- > 0) { |
2885 | auint = *s++ & 255; | |
2886 | sv = NEWSV(37, 0); | |
1e422769 | 2887 | sv_setiv(sv, (IV)auint); |
a0d0e21e LW |
2888 | PUSHs(sv_2mortal(sv)); |
2889 | } | |
2890 | } | |
2891 | break; | |
2892 | case 's': | |
96e4d5b1 | 2893 | along = (strend - s) / SIZE16; |
a0d0e21e LW |
2894 | if (len > along) |
2895 | len = along; | |
2896 | if (checksum) { | |
2897 | while (len-- > 0) { | |
96e4d5b1 | 2898 | COPY16(s, &ashort); |
2899 | s += SIZE16; | |
a0d0e21e LW |
2900 | culong += ashort; |
2901 | } | |
2902 | } | |
2903 | else { | |
2904 | EXTEND(SP, len); | |
bbce6d69 | 2905 | EXTEND_MORTAL(len); |
a0d0e21e | 2906 | while (len-- > 0) { |
96e4d5b1 | 2907 | COPY16(s, &ashort); |
2908 | s += SIZE16; | |
a0d0e21e | 2909 | sv = NEWSV(38, 0); |
1e422769 | 2910 | sv_setiv(sv, (IV)ashort); |
a0d0e21e LW |
2911 | PUSHs(sv_2mortal(sv)); |
2912 | } | |
2913 | } | |
2914 | break; | |
2915 | case 'v': | |
2916 | case 'n': | |
2917 | case 'S': | |
96e4d5b1 | 2918 | along = (strend - s) / SIZE16; |
a0d0e21e LW |
2919 | if (len > along) |
2920 | len = along; | |
2921 | if (checksum) { | |
2922 | while (len-- > 0) { | |
96e4d5b1 | 2923 | COPY16(s, &aushort); |
2924 | s += SIZE16; | |
a0d0e21e LW |
2925 | #ifdef HAS_NTOHS |
2926 | if (datumtype == 'n') | |
2927 | aushort = ntohs(aushort); | |
79072805 | 2928 | #endif |
a0d0e21e LW |
2929 | #ifdef HAS_VTOHS |
2930 | if (datumtype == 'v') | |
2931 | aushort = vtohs(aushort); | |
79072805 | 2932 | #endif |
a0d0e21e LW |
2933 | culong += aushort; |
2934 | } | |
2935 | } | |
2936 | else { | |
2937 | EXTEND(SP, len); | |
bbce6d69 | 2938 | EXTEND_MORTAL(len); |
a0d0e21e | 2939 | while (len-- > 0) { |
96e4d5b1 | 2940 | COPY16(s, &aushort); |
2941 | s += SIZE16; | |
a0d0e21e LW |
2942 | sv = NEWSV(39, 0); |
2943 | #ifdef HAS_NTOHS | |
2944 | if (datumtype == 'n') | |
2945 | aushort = ntohs(aushort); | |
79072805 | 2946 | #endif |
a0d0e21e LW |
2947 | #ifdef HAS_VTOHS |
2948 | if (datumtype == 'v') | |
2949 | aushort = vtohs(aushort); | |
79072805 | 2950 | #endif |
1e422769 | 2951 | sv_setiv(sv, (IV)aushort); |
a0d0e21e LW |
2952 | PUSHs(sv_2mortal(sv)); |
2953 | } | |
2954 | } | |
2955 | break; | |
2956 | case 'i': | |
2957 | along = (strend - s) / sizeof(int); | |
2958 | if (len > along) | |
2959 | len = along; | |
2960 | if (checksum) { | |
2961 | while (len-- > 0) { | |
2962 | Copy(s, &aint, 1, int); | |
2963 | s += sizeof(int); | |
2964 | if (checksum > 32) | |
2965 | cdouble += (double)aint; | |
2966 | else | |
2967 | culong += aint; | |
2968 | } | |
2969 | } | |
2970 | else { | |
2971 | EXTEND(SP, len); | |
bbce6d69 | 2972 | EXTEND_MORTAL(len); |
a0d0e21e LW |
2973 | while (len-- > 0) { |
2974 | Copy(s, &aint, 1, int); | |
2975 | s += sizeof(int); | |
2976 | sv = NEWSV(40, 0); | |
1e422769 | 2977 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
2978 | PUSHs(sv_2mortal(sv)); |
2979 | } | |
2980 | } | |
2981 | break; | |
2982 | case 'I': | |
2983 | along = (strend - s) / sizeof(unsigned int); | |
2984 | if (len > along) | |
2985 | len = along; | |
2986 | if (checksum) { | |
2987 | while (len-- > 0) { | |
2988 | Copy(s, &auint, 1, unsigned int); | |
2989 | s += sizeof(unsigned int); | |
2990 | if (checksum > 32) | |
2991 | cdouble += (double)auint; | |
2992 | else | |
2993 | culong += auint; | |
2994 | } | |
2995 | } | |
2996 | else { | |
2997 | EXTEND(SP, len); | |
bbce6d69 | 2998 | EXTEND_MORTAL(len); |
a0d0e21e LW |
2999 | while (len-- > 0) { |
3000 | Copy(s, &auint, 1, unsigned int); | |
3001 | s += sizeof(unsigned int); | |
3002 | sv = NEWSV(41, 0); | |
1e422769 | 3003 | sv_setuv(sv, (UV)auint); |
a0d0e21e LW |
3004 | PUSHs(sv_2mortal(sv)); |
3005 | } | |
3006 | } | |
3007 | break; | |
3008 | case 'l': | |
96e4d5b1 | 3009 | along = (strend - s) / SIZE32; |
a0d0e21e LW |
3010 | if (len > along) |
3011 | len = along; | |
3012 | if (checksum) { | |
3013 | while (len-- > 0) { | |
96e4d5b1 | 3014 | COPY32(s, &along); |
3015 | s += SIZE32; | |
a0d0e21e LW |
3016 | if (checksum > 32) |
3017 | cdouble += (double)along; | |
3018 | else | |
3019 | culong += along; | |
3020 | } | |
3021 | } | |
3022 | else { | |
3023 | EXTEND(SP, len); | |
bbce6d69 | 3024 | EXTEND_MORTAL(len); |
a0d0e21e | 3025 | while (len-- > 0) { |
96e4d5b1 | 3026 | COPY32(s, &along); |
3027 | s += SIZE32; | |
a0d0e21e | 3028 | sv = NEWSV(42, 0); |
1e422769 | 3029 | sv_setiv(sv, (IV)along); |
a0d0e21e LW |
3030 | PUSHs(sv_2mortal(sv)); |
3031 | } | |
79072805 | 3032 | } |
a0d0e21e LW |
3033 | break; |
3034 | case 'V': | |
3035 | case 'N': | |
3036 | case 'L': | |
96e4d5b1 | 3037 | along = (strend - s) / SIZE32; |
a0d0e21e LW |
3038 | if (len > along) |
3039 | len = along; | |
3040 | if (checksum) { | |
3041 | while (len-- > 0) { | |
96e4d5b1 | 3042 | COPY32(s, &aulong); |
3043 | s += SIZE32; | |
a0d0e21e LW |
3044 | #ifdef HAS_NTOHL |
3045 | if (datumtype == 'N') | |
3046 | aulong = ntohl(aulong); | |
79072805 | 3047 | #endif |
a0d0e21e LW |
3048 | #ifdef HAS_VTOHL |
3049 | if (datumtype == 'V') | |
3050 | aulong = vtohl(aulong); | |
79072805 | 3051 | #endif |
a0d0e21e LW |
3052 | if (checksum > 32) |
3053 | cdouble += (double)aulong; | |
3054 | else | |
3055 | culong += aulong; | |
3056 | } | |
3057 | } | |
3058 | else { | |
3059 | EXTEND(SP, len); | |
bbce6d69 | 3060 | EXTEND_MORTAL(len); |
a0d0e21e | 3061 | while (len-- > 0) { |
96e4d5b1 | 3062 | COPY32(s, &aulong); |
3063 | s += SIZE32; | |
a0d0e21e LW |
3064 | #ifdef HAS_NTOHL |
3065 | if (datumtype == 'N') | |
3066 | aulong = ntohl(aulong); | |
79072805 | 3067 | #endif |
a0d0e21e LW |
3068 | #ifdef HAS_VTOHL |
3069 | if (datumtype == 'V') | |
3070 | aulong = vtohl(aulong); | |
79072805 | 3071 | #endif |
1e422769 | 3072 | sv = NEWSV(43, 0); |
3073 | sv_setuv(sv, (UV)aulong); | |
a0d0e21e LW |
3074 | PUSHs(sv_2mortal(sv)); |
3075 | } | |
3076 | } | |
3077 | break; | |
3078 | case 'p': | |
3079 | along = (strend - s) / sizeof(char*); | |
3080 | if (len > along) | |
3081 | len = along; | |
3082 | EXTEND(SP, len); | |
bbce6d69 | 3083 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3084 | while (len-- > 0) { |
3085 | if (sizeof(char*) > strend - s) | |
3086 | break; | |
3087 | else { | |
3088 | Copy(s, &aptr, 1, char*); | |
3089 | s += sizeof(char*); | |
3090 | } | |
3091 | sv = NEWSV(44, 0); | |
3092 | if (aptr) | |
3093 | sv_setpv(sv, aptr); | |
3094 | PUSHs(sv_2mortal(sv)); | |
3095 | } | |
3096 | break; | |
def98dd4 | 3097 | case 'w': |
def98dd4 | 3098 | EXTEND(SP, len); |
bbce6d69 | 3099 | EXTEND_MORTAL(len); |
3100 | { | |
3101 | UV auv = 0; | |
3102 | U32 bytes = 0; | |
3103 | ||
3104 | while ((len > 0) && (s < strend)) { | |
3105 | auv = (auv << 7) | (*s & 0x7f); | |
3106 | if (!(*s++ & 0x80)) { | |
3107 | bytes = 0; | |
3108 | sv = NEWSV(40, 0); | |
3109 | sv_setuv(sv, auv); | |
3110 | PUSHs(sv_2mortal(sv)); | |
3111 | len--; | |
3112 | auv = 0; | |
3113 | } | |
3114 | else if (++bytes >= sizeof(UV)) { /* promote to string */ | |
bbce6d69 | 3115 | char *t; |
3116 | ||
fc36a67e | 3117 | sv = newSVpvf("%.*Vu", (int)TYPE_DIGITS(UV), auv); |
bbce6d69 | 3118 | while (s < strend) { |
3119 | sv = mul128(sv, *s & 0x7f); | |
3120 | if (!(*s++ & 0x80)) { | |
3121 | bytes = 0; | |
3122 | break; | |
3123 | } | |
3124 | } | |
3125 | t = SvPV(sv, na); | |
3126 | while (*t == '0') | |
3127 | t++; | |
3128 | sv_chop(sv, t); | |
3129 | PUSHs(sv_2mortal(sv)); | |
3130 | len--; | |
3131 | auv = 0; | |
3132 | } | |
3133 | } | |
3134 | if ((s >= strend) && bytes) | |
3135 | croak("Unterminated compressed integer"); | |
3136 | } | |
def98dd4 | 3137 | break; |
a0d0e21e LW |
3138 | case 'P': |
3139 | EXTEND(SP, 1); | |
3140 | if (sizeof(char*) > strend - s) | |
3141 | break; | |
3142 | else { | |
3143 | Copy(s, &aptr, 1, char*); | |
3144 | s += sizeof(char*); | |
3145 | } | |
3146 | sv = NEWSV(44, 0); | |
3147 | if (aptr) | |
3148 | sv_setpvn(sv, aptr, len); | |
3149 | PUSHs(sv_2mortal(sv)); | |
3150 | break; | |
ecfc5424 | 3151 | #ifdef HAS_QUAD |
a0d0e21e LW |
3152 | case 'q': |
3153 | EXTEND(SP, len); | |
bbce6d69 | 3154 | EXTEND_MORTAL(len); |
a0d0e21e | 3155 | while (len-- > 0) { |
ecfc5424 | 3156 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e LW |
3157 | aquad = 0; |
3158 | else { | |
ecfc5424 AD |
3159 | Copy(s, &aquad, 1, Quad_t); |
3160 | s += sizeof(Quad_t); | |
a0d0e21e LW |
3161 | } |
3162 | sv = NEWSV(42, 0); | |
96e4d5b1 | 3163 | if (aquad >= IV_MIN && aquad <= IV_MAX) |
3164 | sv_setiv(sv, (IV)aquad); | |
3165 | else | |
3166 | sv_setnv(sv, (double)aquad); | |
a0d0e21e LW |
3167 | PUSHs(sv_2mortal(sv)); |
3168 | } | |
3169 | break; | |
3170 | case 'Q': | |
3171 | EXTEND(SP, len); | |
bbce6d69 | 3172 | EXTEND_MORTAL(len); |
a0d0e21e | 3173 | while (len-- > 0) { |
ecfc5424 | 3174 | if (s + sizeof(unsigned Quad_t) > strend) |
a0d0e21e LW |
3175 | auquad = 0; |
3176 | else { | |
ecfc5424 AD |
3177 | Copy(s, &auquad, 1, unsigned Quad_t); |
3178 | s += sizeof(unsigned Quad_t); | |
a0d0e21e LW |
3179 | } |
3180 | sv = NEWSV(43, 0); | |
96e4d5b1 | 3181 | if (aquad <= UV_MAX) |
3182 | sv_setuv(sv, (UV)auquad); | |
3183 | else | |
3184 | sv_setnv(sv, (double)auquad); | |
a0d0e21e LW |
3185 | PUSHs(sv_2mortal(sv)); |
3186 | } | |
3187 | break; | |
79072805 | 3188 | #endif |
a0d0e21e LW |
3189 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
3190 | case 'f': | |
3191 | case 'F': | |
3192 | along = (strend - s) / sizeof(float); | |
3193 | if (len > along) | |
3194 | len = along; | |
3195 | if (checksum) { | |
3196 | while (len-- > 0) { | |
3197 | Copy(s, &afloat, 1, float); | |
3198 | s += sizeof(float); | |
3199 | cdouble += afloat; | |
3200 | } | |
3201 | } | |
3202 | else { | |
3203 | EXTEND(SP, len); | |
bbce6d69 | 3204 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3205 | while (len-- > 0) { |
3206 | Copy(s, &afloat, 1, float); | |
3207 | s += sizeof(float); | |
3208 | sv = NEWSV(47, 0); | |
3209 | sv_setnv(sv, (double)afloat); | |
3210 | PUSHs(sv_2mortal(sv)); | |
3211 | } | |
3212 | } | |
3213 | break; | |
3214 | case 'd': | |
3215 | case 'D': | |
3216 | along = (strend - s) / sizeof(double); | |
3217 | if (len > along) | |
3218 | len = along; | |
3219 | if (checksum) { | |
3220 | while (len-- > 0) { | |
3221 | Copy(s, &adouble, 1, double); | |
3222 | s += sizeof(double); | |
3223 | cdouble += adouble; | |
3224 | } | |
3225 | } | |
3226 | else { | |
3227 | EXTEND(SP, len); | |
bbce6d69 | 3228 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3229 | while (len-- > 0) { |
3230 | Copy(s, &adouble, 1, double); | |
3231 | s += sizeof(double); | |
3232 | sv = NEWSV(48, 0); | |
3233 | sv_setnv(sv, (double)adouble); | |
3234 | PUSHs(sv_2mortal(sv)); | |
3235 | } | |
3236 | } | |
3237 | break; | |
3238 | case 'u': | |
3239 | along = (strend - s) * 3 / 4; | |
3240 | sv = NEWSV(42, along); | |
f12c7020 | 3241 | if (along) |
3242 | SvPOK_on(sv); | |
a0d0e21e LW |
3243 | while (s < strend && *s > ' ' && *s < 'a') { |
3244 | I32 a, b, c, d; | |
3245 | char hunk[4]; | |
79072805 | 3246 | |
a0d0e21e LW |
3247 | hunk[3] = '\0'; |
3248 | len = (*s++ - ' ') & 077; | |
3249 | while (len > 0) { | |
3250 | if (s < strend && *s >= ' ') | |
3251 | a = (*s++ - ' ') & 077; | |
3252 | else | |
3253 | a = 0; | |
3254 | if (s < strend && *s >= ' ') | |
3255 | b = (*s++ - ' ') & 077; | |
3256 | else | |
3257 | b = 0; | |
3258 | if (s < strend && *s >= ' ') | |
3259 | c = (*s++ - ' ') & 077; | |
3260 | else | |
3261 | c = 0; | |
3262 | if (s < strend && *s >= ' ') | |
3263 | d = (*s++ - ' ') & 077; | |
3264 | else | |
3265 | d = 0; | |
3266 | hunk[0] = a << 2 | b >> 4; | |
3267 | hunk[1] = b << 4 | c >> 2; | |
3268 | hunk[2] = c << 6 | d; | |
3269 | sv_catpvn(sv, hunk, len > 3 ? 3 : len); | |
3270 | len -= 3; | |
3271 | } | |
3272 | if (*s == '\n') | |
3273 | s++; | |
3274 | else if (s[1] == '\n') /* possible checksum byte */ | |
3275 | s += 2; | |
79072805 | 3276 | } |
a0d0e21e LW |
3277 | XPUSHs(sv_2mortal(sv)); |
3278 | break; | |
79072805 | 3279 | } |
a0d0e21e LW |
3280 | if (checksum) { |
3281 | sv = NEWSV(42, 0); | |
3282 | if (strchr("fFdD", datumtype) || | |
3283 | (checksum > 32 && strchr("iIlLN", datumtype)) ) { | |
3284 | double trouble; | |
79072805 | 3285 | |
a0d0e21e LW |
3286 | adouble = 1.0; |
3287 | while (checksum >= 16) { | |
3288 | checksum -= 16; | |
3289 | adouble *= 65536.0; | |
3290 | } | |
3291 | while (checksum >= 4) { | |
3292 | checksum -= 4; | |
3293 | adouble *= 16.0; | |
3294 | } | |
3295 | while (checksum--) | |
3296 | adouble *= 2.0; | |
3297 | along = (1 << checksum) - 1; | |
3298 | while (cdouble < 0.0) | |
3299 | cdouble += adouble; | |
3300 | cdouble = modf(cdouble / adouble, &trouble) * adouble; | |
3301 | sv_setnv(sv, cdouble); | |
3302 | } | |
3303 | else { | |
3304 | if (checksum < 32) { | |
96e4d5b1 | 3305 | aulong = (1 << checksum) - 1; |
3306 | culong &= aulong; | |
a0d0e21e | 3307 | } |
96e4d5b1 | 3308 | sv_setuv(sv, (UV)culong); |
a0d0e21e LW |
3309 | } |
3310 | XPUSHs(sv_2mortal(sv)); | |
3311 | checksum = 0; | |
79072805 | 3312 | } |
79072805 | 3313 | } |
54310121 | 3314 | if (sp == oldsp && gimme == G_SCALAR) |
36477c24 | 3315 | PUSHs(&sv_undef); |
79072805 | 3316 | RETURN; |
79072805 LW |
3317 | } |
3318 | ||
a0d0e21e LW |
3319 | static void |
3320 | doencodes(sv, s, len) | |
3321 | register SV *sv; | |
3322 | register char *s; | |
3323 | register I32 len; | |
79072805 | 3324 | { |
a0d0e21e | 3325 | char hunk[5]; |
79072805 | 3326 | |
a0d0e21e LW |
3327 | *hunk = len + ' '; |
3328 | sv_catpvn(sv, hunk, 1); | |
3329 | hunk[4] = '\0'; | |
3330 | while (len > 0) { | |
3331 | hunk[0] = ' ' + (077 & (*s >> 2)); | |
3332 | hunk[1] = ' ' + (077 & ((*s << 4) & 060 | (s[1] >> 4) & 017)); | |
3333 | hunk[2] = ' ' + (077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03)); | |
3334 | hunk[3] = ' ' + (077 & (s[2] & 077)); | |
3335 | sv_catpvn(sv, hunk, 4); | |
3336 | s += 3; | |
3337 | len -= 3; | |
3338 | } | |
3339 | for (s = SvPVX(sv); *s; s++) { | |
3340 | if (*s == ' ') | |
3341 | *s = '`'; | |
3342 | } | |
3343 | sv_catpvn(sv, "\n", 1); | |
79072805 LW |
3344 | } |
3345 | ||
55497cff | 3346 | static SV * |
3347 | is_an_int(s, l) | |
3348 | char *s; | |
3349 | STRLEN l; | |
3350 | { | |
3351 | SV *result = newSVpv("", l); | |
3352 | char *result_c = SvPV(result, na); /* convenience */ | |
3353 | char *out = result_c; | |
3354 | bool skip = 1; | |
3355 | bool ignore = 0; | |
3356 | ||
3357 | while (*s) { | |
3358 | switch (*s) { | |
3359 | case ' ': | |
3360 | break; | |
3361 | case '+': | |
3362 | if (!skip) { | |
3363 | SvREFCNT_dec(result); | |
3364 | return (NULL); | |
3365 | } | |
3366 | break; | |
3367 | case '0': | |
3368 | case '1': | |
3369 | case '2': | |
3370 | case '3': | |
3371 | case '4': | |
3372 | case '5': | |
3373 | case '6': | |
3374 | case '7': | |
3375 | case '8': | |
3376 | case '9': | |
3377 | skip = 0; | |
3378 | if (!ignore) { | |
3379 | *(out++) = *s; | |
3380 | } | |
3381 | break; | |
3382 | case '.': | |
3383 | ignore = 1; | |
3384 | break; | |
3385 | default: | |
3386 | SvREFCNT_dec(result); | |
3387 | return (NULL); | |
3388 | } | |
3389 | s++; | |
3390 | } | |
3391 | *(out++) = '\0'; | |
3392 | SvCUR_set(result, out - result_c); | |
3393 | return (result); | |
3394 | } | |
3395 | ||
3396 | static int | |
3397 | div128(pnum, done) | |
3398 | SV *pnum; /* must be '\0' terminated */ | |
3399 | bool *done; | |
3400 | { | |
3401 | STRLEN len; | |
3402 | char *s = SvPV(pnum, len); | |
3403 | int m = 0; | |
3404 | int r = 0; | |
3405 | char *t = s; | |
3406 | ||
3407 | *done = 1; | |
3408 | while (*t) { | |
3409 | int i; | |
3410 | ||
3411 | i = m * 10 + (*t - '0'); | |
3412 | m = i & 0x7F; | |
3413 | r = (i >> 7); /* r < 10 */ | |
3414 | if (r) { | |
3415 | *done = 0; | |
3416 | } | |
3417 | *(t++) = '0' + r; | |
3418 | } | |
3419 | *(t++) = '\0'; | |
3420 | SvCUR_set(pnum, (STRLEN) (t - s)); | |
3421 | return (m); | |
3422 | } | |
3423 | ||
3424 | ||
a0d0e21e | 3425 | PP(pp_pack) |
79072805 | 3426 | { |
a0d0e21e LW |
3427 | dSP; dMARK; dORIGMARK; dTARGET; |
3428 | register SV *cat = TARG; | |
3429 | register I32 items; | |
3430 | STRLEN fromlen; | |
3431 | register char *pat = SvPVx(*++MARK, fromlen); | |
3432 | register char *patend = pat + fromlen; | |
3433 | register I32 len; | |
3434 | I32 datumtype; | |
3435 | SV *fromstr; | |
3436 | /*SUPPRESS 442*/ | |
3437 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; | |
3438 | static char *space10 = " "; | |
79072805 | 3439 | |
a0d0e21e LW |
3440 | /* These must not be in registers: */ |
3441 | char achar; | |
3442 | I16 ashort; | |
3443 | int aint; | |
3444 | unsigned int auint; | |
3445 | I32 along; | |
3446 | U32 aulong; | |
ecfc5424 AD |
3447 | #ifdef HAS_QUAD |
3448 | Quad_t aquad; | |
3449 | unsigned Quad_t auquad; | |
79072805 | 3450 | #endif |
a0d0e21e LW |
3451 | char *aptr; |
3452 | float afloat; | |
3453 | double adouble; | |
79072805 | 3454 | |
a0d0e21e LW |
3455 | items = SP - MARK; |
3456 | MARK++; | |
3457 | sv_setpvn(cat, "", 0); | |
3458 | while (pat < patend) { | |
3459 | #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no) | |
bbdab043 CS |
3460 | datumtype = *pat++ & 0xFF; |
3461 | if (isSPACE(datumtype)) | |
3462 | continue; | |
a0d0e21e LW |
3463 | if (*pat == '*') { |
3464 | len = strchr("@Xxu", datumtype) ? 0 : items; | |
3465 | pat++; | |
3466 | } | |
3467 | else if (isDIGIT(*pat)) { | |
3468 | len = *pat++ - '0'; | |
3469 | while (isDIGIT(*pat)) | |
3470 | len = (len * 10) + (*pat++ - '0'); | |
3471 | } | |
3472 | else | |
3473 | len = 1; | |
3474 | switch(datumtype) { | |
3475 | default: | |
bbdab043 | 3476 | croak("Invalid type in pack: '%c'", (int)datumtype); |
a0d0e21e LW |
3477 | case '%': |
3478 | DIE("%% may only be used in unpack"); | |
3479 | case '@': | |
3480 | len -= SvCUR(cat); | |
3481 | if (len > 0) | |
3482 | goto grow; | |
3483 | len = -len; | |
3484 | if (len > 0) | |
3485 | goto shrink; | |
3486 | break; | |
3487 | case 'X': | |
3488 | shrink: | |
3489 | if (SvCUR(cat) < len) | |
3490 | DIE("X outside of string"); | |
3491 | SvCUR(cat) -= len; | |
3492 | *SvEND(cat) = '\0'; | |
3493 | break; | |
3494 | case 'x': | |
3495 | grow: | |
3496 | while (len >= 10) { | |
3497 | sv_catpvn(cat, null10, 10); | |
3498 | len -= 10; | |
3499 | } | |
3500 | sv_catpvn(cat, null10, len); | |
3501 | break; | |
3502 | case 'A': | |
3503 | case 'a': | |
3504 | fromstr = NEXTFROM; | |
3505 | aptr = SvPV(fromstr, fromlen); | |
3506 | if (pat[-1] == '*') | |
3507 | len = fromlen; | |
3508 | if (fromlen > len) | |
3509 | sv_catpvn(cat, aptr, len); | |
3510 | else { | |
3511 | sv_catpvn(cat, aptr, fromlen); | |
3512 | len -= fromlen; | |
3513 | if (datumtype == 'A') { | |
3514 | while (len >= 10) { | |
3515 | sv_catpvn(cat, space10, 10); | |
3516 | len -= 10; | |
3517 | } | |
3518 | sv_catpvn(cat, space10, len); | |
3519 | } | |
3520 | else { | |
3521 | while (len >= 10) { | |
3522 | sv_catpvn(cat, null10, 10); | |
3523 | len -= 10; | |
3524 | } | |
3525 | sv_catpvn(cat, null10, len); | |
3526 | } | |
3527 | } | |
3528 | break; | |
3529 | case 'B': | |
3530 | case 'b': | |
3531 | { | |
3532 | char *savepat = pat; | |
3533 | I32 saveitems; | |
79072805 | 3534 | |
a0d0e21e LW |
3535 | fromstr = NEXTFROM; |
3536 | saveitems = items; | |
3537 | aptr = SvPV(fromstr, fromlen); | |
3538 | if (pat[-1] == '*') | |
3539 | len = fromlen; | |
3540 | pat = aptr; | |
3541 | aint = SvCUR(cat); | |
3542 | SvCUR(cat) += (len+7)/8; | |
3543 | SvGROW(cat, SvCUR(cat) + 1); | |
3544 | aptr = SvPVX(cat) + aint; | |
3545 | if (len > fromlen) | |
3546 | len = fromlen; | |
3547 | aint = len; | |
3548 | items = 0; | |
3549 | if (datumtype == 'B') { | |
3550 | for (len = 0; len++ < aint;) { | |
3551 | items |= *pat++ & 1; | |
3552 | if (len & 7) | |
3553 | items <<= 1; | |
3554 | else { | |
3555 | *aptr++ = items & 0xff; | |
3556 | items = 0; | |
3557 | } | |
3558 | } | |
3559 | } | |
3560 | else { | |
3561 | for (len = 0; len++ < aint;) { | |
3562 | if (*pat++ & 1) | |
3563 | items |= 128; | |
3564 | if (len & 7) | |
3565 | items >>= 1; | |
3566 | else { | |
3567 | *aptr++ = items & 0xff; | |
3568 | items = 0; | |
3569 | } | |
3570 | } | |
3571 | } | |
3572 | if (aint & 7) { | |
3573 | if (datumtype == 'B') | |
3574 | items <<= 7 - (aint & 7); | |
3575 | else | |
3576 | items >>= 7 - (aint & 7); | |
3577 | *aptr++ = items & 0xff; | |
3578 | } | |
3579 | pat = SvPVX(cat) + SvCUR(cat); | |
3580 | while (aptr <= pat) | |
3581 | *aptr++ = '\0'; | |
79072805 | 3582 | |
a0d0e21e LW |
3583 | pat = savepat; |
3584 | items = saveitems; | |
3585 | } | |
3586 | break; | |
3587 | case 'H': | |
3588 | case 'h': | |
3589 | { | |
3590 | char *savepat = pat; | |
3591 | I32 saveitems; | |
79072805 | 3592 | |
a0d0e21e LW |
3593 | fromstr = NEXTFROM; |
3594 | saveitems = items; | |
3595 | aptr = SvPV(fromstr, fromlen); | |
3596 | if (pat[-1] == '*') | |
3597 | len = fromlen; | |
3598 | pat = aptr; | |
3599 | aint = SvCUR(cat); | |
3600 | SvCUR(cat) += (len+1)/2; | |
3601 | SvGROW(cat, SvCUR(cat) + 1); | |
3602 | aptr = SvPVX(cat) + aint; | |
3603 | if (len > fromlen) | |
3604 | len = fromlen; | |
3605 | aint = len; | |
3606 | items = 0; | |
3607 | if (datumtype == 'H') { | |
3608 | for (len = 0; len++ < aint;) { | |
3609 | if (isALPHA(*pat)) | |
3610 | items |= ((*pat++ & 15) + 9) & 15; | |
3611 | else | |
3612 | items |= *pat++ & 15; | |
3613 | if (len & 1) | |
3614 | items <<= 4; | |
3615 | else { | |
3616 | *aptr++ = items & 0xff; | |
3617 | items = 0; | |
3618 | } | |
3619 | } | |
3620 | } | |
3621 | else { | |
3622 | for (len = 0; len++ < aint;) { | |
3623 | if (isALPHA(*pat)) | |
3624 | items |= (((*pat++ & 15) + 9) & 15) << 4; | |
3625 | else | |
3626 | items |= (*pat++ & 15) << 4; | |
3627 | if (len & 1) | |
3628 | items >>= 4; | |
3629 | else { | |
3630 | *aptr++ = items & 0xff; | |
3631 | items = 0; | |
3632 | } | |
3633 | } | |
3634 | } | |
3635 | if (aint & 1) | |
3636 | *aptr++ = items & 0xff; | |
3637 | pat = SvPVX(cat) + SvCUR(cat); | |
3638 | while (aptr <= pat) | |
3639 | *aptr++ = '\0'; | |
79072805 | 3640 | |
a0d0e21e LW |
3641 | pat = savepat; |
3642 | items = saveitems; | |
3643 | } | |
3644 | break; | |
3645 | case 'C': | |
3646 | case 'c': | |
3647 | while (len-- > 0) { | |
3648 | fromstr = NEXTFROM; | |
3649 | aint = SvIV(fromstr); | |
3650 | achar = aint; | |
3651 | sv_catpvn(cat, &achar, sizeof(char)); | |
3652 | } | |
3653 | break; | |
3654 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ | |
3655 | case 'f': | |
3656 | case 'F': | |
3657 | while (len-- > 0) { | |
3658 | fromstr = NEXTFROM; | |
3659 | afloat = (float)SvNV(fromstr); | |
3660 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); | |
3661 | } | |
3662 | break; | |
3663 | case 'd': | |
3664 | case 'D': | |
3665 | while (len-- > 0) { | |
3666 | fromstr = NEXTFROM; | |
3667 | adouble = (double)SvNV(fromstr); | |
3668 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); | |
3669 | } | |
3670 | break; | |
3671 | case 'n': | |
3672 | while (len-- > 0) { | |
3673 | fromstr = NEXTFROM; | |
3674 | ashort = (I16)SvIV(fromstr); | |
3675 | #ifdef HAS_HTONS | |
3676 | ashort = htons(ashort); | |
79072805 | 3677 | #endif |
96e4d5b1 | 3678 | CAT16(cat, &ashort); |
a0d0e21e LW |
3679 | } |
3680 | break; | |
3681 | case 'v': | |
3682 | while (len-- > 0) { | |
3683 | fromstr = NEXTFROM; | |
3684 | ashort = (I16)SvIV(fromstr); | |
3685 | #ifdef HAS_HTOVS | |
3686 | ashort = htovs(ashort); | |
79072805 | 3687 | #endif |
96e4d5b1 | 3688 | CAT16(cat, &ashort); |
a0d0e21e LW |
3689 | } |
3690 | break; | |
3691 | case 'S': | |
3692 | case 's': | |
3693 | while (len-- > 0) { | |
3694 | fromstr = NEXTFROM; | |
3695 | ashort = (I16)SvIV(fromstr); | |
96e4d5b1 | 3696 | CAT16(cat, &ashort); |
a0d0e21e LW |
3697 | } |
3698 | break; | |
3699 | case 'I': | |
3700 | while (len-- > 0) { | |
3701 | fromstr = NEXTFROM; | |
96e4d5b1 | 3702 | auint = SvUV(fromstr); |
a0d0e21e LW |
3703 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
3704 | } | |
3705 | break; | |
def98dd4 UP |
3706 | case 'w': |
3707 | while (len-- > 0) { | |
bbce6d69 | 3708 | fromstr = NEXTFROM; |
3709 | adouble = floor(SvNV(fromstr)); | |
3710 | ||
3711 | if (adouble < 0) | |
3712 | croak("Cannot compress negative numbers"); | |
3713 | ||
46fc3d4c | 3714 | if ( |
3715 | #ifdef BW_BITS | |
3716 | adouble <= BW_MASK | |
3717 | #else | |
3718 | adouble <= UV_MAX | |
3719 | #endif | |
3720 | ) | |
3721 | { | |
bbce6d69 | 3722 | char buf[1 + sizeof(UV)]; |
3723 | char *in = buf + sizeof(buf); | |
3724 | UV auv = U_V(adouble);; | |
3725 | ||
3726 | do { | |
3727 | *--in = (auv & 0x7f) | 0x80; | |
3728 | auv >>= 7; | |
3729 | } while (auv); | |
3730 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
3731 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
3732 | } | |
3733 | else if (SvPOKp(fromstr)) { /* decimal string arithmetics */ | |
3734 | char *from, *result, *in; | |
3735 | SV *norm; | |
3736 | STRLEN len; | |
3737 | bool done; | |
55497cff | 3738 | |
bbce6d69 | 3739 | /* Copy string and check for compliance */ |
3740 | from = SvPV(fromstr, len); | |
3741 | if ((norm = is_an_int(from, len)) == NULL) | |
3742 | croak("can compress only unsigned integer"); | |
3743 | ||
3744 | New('w', result, len, char); | |
3745 | in = result + len; | |
3746 | done = FALSE; | |
3747 | while (!done) | |
3748 | *--in = div128(norm, &done) | 0x80; | |
3749 | result[len - 1] &= 0x7F; /* clear continue bit */ | |
3750 | sv_catpvn(cat, in, (result + len) - in); | |
5f05dabc | 3751 | Safefree(result); |
bbce6d69 | 3752 | SvREFCNT_dec(norm); /* free norm */ |
def98dd4 | 3753 | } |
bbce6d69 | 3754 | else if (SvNOKp(fromstr)) { |
3755 | char buf[sizeof(double) * 2]; /* 8/7 <= 2 */ | |
3756 | char *in = buf + sizeof(buf); | |
3757 | ||
3758 | do { | |
3759 | double next = floor(adouble / 128); | |
3760 | *--in = (unsigned char)(adouble - (next * 128)) | 0x80; | |
3761 | if (--in < buf) /* this cannot happen ;-) */ | |
3762 | croak ("Cannot compress integer"); | |
3763 | adouble = next; | |
3764 | } while (adouble > 0); | |
3765 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
3766 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
3767 | } | |
3768 | else | |
3769 | croak("Cannot compress non integer"); | |
3770 | } | |
def98dd4 | 3771 | break; |
a0d0e21e LW |
3772 | case 'i': |
3773 | while (len-- > 0) { | |
3774 | fromstr = NEXTFROM; | |
3775 | aint = SvIV(fromstr); | |
3776 | sv_catpvn(cat, (char*)&aint, sizeof(int)); | |
3777 | } | |
3778 | break; | |
3779 | case 'N': | |
3780 | while (len-- > 0) { | |
3781 | fromstr = NEXTFROM; | |
96e4d5b1 | 3782 | aulong = SvUV(fromstr); |
a0d0e21e LW |
3783 | #ifdef HAS_HTONL |
3784 | aulong = htonl(aulong); | |
79072805 | 3785 | #endif |
96e4d5b1 | 3786 | CAT32(cat, &aulong); |
a0d0e21e LW |
3787 | } |
3788 | break; | |
3789 | case 'V': | |
3790 | while (len-- > 0) { | |
3791 | fromstr = NEXTFROM; | |
96e4d5b1 | 3792 | aulong = SvUV(fromstr); |
a0d0e21e LW |
3793 | #ifdef HAS_HTOVL |
3794 | aulong = htovl(aulong); | |
79072805 | 3795 | #endif |
96e4d5b1 | 3796 | CAT32(cat, &aulong); |
a0d0e21e LW |
3797 | } |
3798 | break; | |
3799 | case 'L': | |
3800 | while (len-- > 0) { | |
3801 | fromstr = NEXTFROM; | |
96e4d5b1 | 3802 | aulong = SvUV(fromstr); |
3803 | CAT32(cat, &aulong); | |
a0d0e21e LW |
3804 | } |
3805 | break; | |
3806 | case 'l': | |
3807 | while (len-- > 0) { | |
3808 | fromstr = NEXTFROM; | |
3809 | along = SvIV(fromstr); | |
96e4d5b1 | 3810 | CAT32(cat, &along); |
a0d0e21e LW |
3811 | } |
3812 | break; | |
ecfc5424 | 3813 | #ifdef HAS_QUAD |
a0d0e21e LW |
3814 | case 'Q': |
3815 | while (len-- > 0) { | |
3816 | fromstr = NEXTFROM; | |
ecfc5424 AD |
3817 | auquad = (unsigned Quad_t)SvIV(fromstr); |
3818 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t)); | |
a0d0e21e LW |
3819 | } |
3820 | break; | |
3821 | case 'q': | |
3822 | while (len-- > 0) { | |
3823 | fromstr = NEXTFROM; | |
ecfc5424 AD |
3824 | aquad = (Quad_t)SvIV(fromstr); |
3825 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); | |
a0d0e21e LW |
3826 | } |
3827 | break; | |
ecfc5424 | 3828 | #endif /* HAS_QUAD */ |
a0d0e21e LW |
3829 | case 'P': |
3830 | len = 1; /* assume SV is correct length */ | |
3831 | /* FALL THROUGH */ | |
3832 | case 'p': | |
3833 | while (len-- > 0) { | |
3834 | fromstr = NEXTFROM; | |
3835 | aptr = SvPV_force(fromstr, na); /* XXX Error if TEMP? */ | |
3836 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); | |
3837 | } | |
3838 | break; | |
3839 | case 'u': | |
3840 | fromstr = NEXTFROM; | |
3841 | aptr = SvPV(fromstr, fromlen); | |
3842 | SvGROW(cat, fromlen * 4 / 3); | |
3843 | if (len <= 1) | |
3844 | len = 45; | |
3845 | else | |
3846 | len = len / 3 * 3; | |
3847 | while (fromlen > 0) { | |
3848 | I32 todo; | |
79072805 | 3849 | |
a0d0e21e LW |
3850 | if (fromlen > len) |
3851 | todo = len; | |
3852 | else | |
3853 | todo = fromlen; | |
3854 | doencodes(cat, aptr, todo); | |
3855 | fromlen -= todo; | |
3856 | aptr += todo; | |
3857 | } | |
3858 | break; | |
3859 | } | |
3860 | } | |
3861 | SvSETMAGIC(cat); | |
3862 | SP = ORIGMARK; | |
3863 | PUSHs(cat); | |
3864 | RETURN; | |
79072805 | 3865 | } |
a0d0e21e | 3866 | #undef NEXTFROM |
79072805 | 3867 | |
a0d0e21e | 3868 | PP(pp_split) |
79072805 | 3869 | { |
a0d0e21e LW |
3870 | dSP; dTARG; |
3871 | AV *ary; | |
3872 | register I32 limit = POPi; /* note, negative is forever */ | |
3873 | SV *sv = POPs; | |
3874 | STRLEN len; | |
3875 | register char *s = SvPV(sv, len); | |
3876 | char *strend = s + len; | |
44a8e56a | 3877 | register PMOP *pm; |
3878 | register REGEXP *rx; | |
a0d0e21e LW |
3879 | register SV *dstr; |
3880 | register char *m; | |
3881 | I32 iters = 0; | |
3882 | I32 maxiters = (strend - s) + 10; | |
3883 | I32 i; | |
3884 | char *orig; | |
3885 | I32 origlimit = limit; | |
3886 | I32 realarray = 0; | |
3887 | I32 base; | |
f12c7020 | 3888 | AV *oldstack = curstack; |
54310121 | 3889 | I32 gimme = GIMME_V; |
c07a80fd | 3890 | I32 oldsave = savestack_ix; |
79072805 | 3891 | |
44a8e56a | 3892 | #ifdef DEBUGGING |
3893 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
3894 | #else | |
3895 | pm = (PMOP*)POPs; | |
3896 | #endif | |
a0d0e21e LW |
3897 | if (!pm || !s) |
3898 | DIE("panic: do_split"); | |
44a8e56a | 3899 | rx = pm->op_pmregexp; |
bbce6d69 | 3900 | |
3901 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
3902 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
3903 | ||
a0d0e21e LW |
3904 | if (pm->op_pmreplroot) |
3905 | ary = GvAVn((GV*)pm->op_pmreplroot); | |
3906 | else if (gimme != G_ARRAY) | |
3907 | ary = GvAVn(defgv); | |
79072805 | 3908 | else |
a0d0e21e LW |
3909 | ary = Nullav; |
3910 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
3911 | realarray = 1; | |
3912 | if (!AvREAL(ary)) { | |
3913 | AvREAL_on(ary); | |
3914 | for (i = AvFILL(ary); i >= 0; i--) | |
3915 | AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */ | |
79072805 | 3916 | } |
a0d0e21e LW |
3917 | av_extend(ary,0); |
3918 | av_clear(ary); | |
3919 | /* temporarily switch stacks */ | |
f12c7020 | 3920 | SWITCHSTACK(curstack, ary); |
79072805 | 3921 | } |
a0d0e21e LW |
3922 | base = SP - stack_base; |
3923 | orig = s; | |
3924 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 3925 | if (pm->op_pmflags & PMf_LOCALE) { |
3926 | while (isSPACE_LC(*s)) | |
3927 | s++; | |
3928 | } | |
3929 | else { | |
3930 | while (isSPACE(*s)) | |
3931 | s++; | |
3932 | } | |
a0d0e21e | 3933 | } |
c07a80fd | 3934 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3935 | SAVEINT(multiline); | |
3936 | multiline = pm->op_pmflags & PMf_MULTILINE; | |
3937 | } | |
3938 | ||
a0d0e21e LW |
3939 | if (!limit) |
3940 | limit = maxiters + 2; | |
3941 | if (pm->op_pmflags & PMf_WHITE) { | |
3942 | while (--limit) { | |
bbce6d69 | 3943 | m = s; |
3944 | while (m < strend && | |
3945 | !((pm->op_pmflags & PMf_LOCALE) | |
3946 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
3947 | ++m; | |
a0d0e21e LW |
3948 | if (m >= strend) |
3949 | break; | |
bbce6d69 | 3950 | |
a0d0e21e LW |
3951 | dstr = NEWSV(30, m-s); |
3952 | sv_setpvn(dstr, s, m-s); | |
3953 | if (!realarray) | |
3954 | sv_2mortal(dstr); | |
3955 | XPUSHs(dstr); | |
bbce6d69 | 3956 | |
3957 | s = m + 1; | |
3958 | while (s < strend && | |
3959 | ((pm->op_pmflags & PMf_LOCALE) | |
3960 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
3961 | ++s; | |
79072805 LW |
3962 | } |
3963 | } | |
a0d0e21e LW |
3964 | else if (strEQ("^", rx->precomp)) { |
3965 | while (--limit) { | |
3966 | /*SUPPRESS 530*/ | |
3967 | for (m = s; m < strend && *m != '\n'; m++) ; | |
3968 | m++; | |
3969 | if (m >= strend) | |
3970 | break; | |
3971 | dstr = NEWSV(30, m-s); | |
3972 | sv_setpvn(dstr, s, m-s); | |
3973 | if (!realarray) | |
3974 | sv_2mortal(dstr); | |
3975 | XPUSHs(dstr); | |
3976 | s = m; | |
3977 | } | |
3978 | } | |
44a8e56a | 3979 | else if (pm->op_pmshort && !rx->nparens) { |
a0d0e21e LW |
3980 | i = SvCUR(pm->op_pmshort); |
3981 | if (i == 1) { | |
a0d0e21e | 3982 | i = *SvPVX(pm->op_pmshort); |
a0d0e21e | 3983 | while (--limit) { |
bbce6d69 | 3984 | /*SUPPRESS 530*/ |
3985 | for (m = s; m < strend && *m != i; m++) ; | |
a0d0e21e LW |
3986 | if (m >= strend) |
3987 | break; | |
3988 | dstr = NEWSV(30, m-s); | |
3989 | sv_setpvn(dstr, s, m-s); | |
3990 | if (!realarray) | |
3991 | sv_2mortal(dstr); | |
3992 | XPUSHs(dstr); | |
3993 | s = m + 1; | |
3994 | } | |
3995 | } | |
3996 | else { | |
3997 | #ifndef lint | |
3998 | while (s < strend && --limit && | |
3999 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, | |
4000 | pm->op_pmshort)) ) | |
79072805 | 4001 | #endif |
a0d0e21e LW |
4002 | { |
4003 | dstr = NEWSV(31, m-s); | |
4004 | sv_setpvn(dstr, s, m-s); | |
4005 | if (!realarray) | |
4006 | sv_2mortal(dstr); | |
4007 | XPUSHs(dstr); | |
4008 | s = m + i; | |
4009 | } | |
463ee0b2 | 4010 | } |
463ee0b2 | 4011 | } |
a0d0e21e LW |
4012 | else { |
4013 | maxiters += (strend - s) * rx->nparens; | |
4014 | while (s < strend && --limit && | |
bbce6d69 | 4015 | pregexec(rx, s, strend, orig, 1, Nullsv, TRUE)) |
4016 | { | |
4017 | TAINT_IF(rx->exec_tainted); | |
a0d0e21e LW |
4018 | if (rx->subbase |
4019 | && rx->subbase != orig) { | |
4020 | m = s; | |
4021 | s = orig; | |
4022 | orig = rx->subbase; | |
4023 | s = orig + (m - s); | |
4024 | strend = s + (strend - m); | |
4025 | } | |
4026 | m = rx->startp[0]; | |
4027 | dstr = NEWSV(32, m-s); | |
4028 | sv_setpvn(dstr, s, m-s); | |
4029 | if (!realarray) | |
4030 | sv_2mortal(dstr); | |
4031 | XPUSHs(dstr); | |
4032 | if (rx->nparens) { | |
4033 | for (i = 1; i <= rx->nparens; i++) { | |
4034 | s = rx->startp[i]; | |
4035 | m = rx->endp[i]; | |
748a9306 LW |
4036 | if (m && s) { |
4037 | dstr = NEWSV(33, m-s); | |
4038 | sv_setpvn(dstr, s, m-s); | |
4039 | } | |
4040 | else | |
4041 | dstr = NEWSV(33, 0); | |
a0d0e21e LW |
4042 | if (!realarray) |
4043 | sv_2mortal(dstr); | |
4044 | XPUSHs(dstr); | |
4045 | } | |
4046 | } | |
4047 | s = rx->endp[0]; | |
4048 | } | |
79072805 | 4049 | } |
c07a80fd | 4050 | LEAVE_SCOPE(oldsave); |
a0d0e21e LW |
4051 | iters = (SP - stack_base) - base; |
4052 | if (iters > maxiters) | |
4053 | DIE("Split loop"); | |
4054 | ||
4055 | /* keep field after final delim? */ | |
4056 | if (s < strend || (iters && origlimit)) { | |
4057 | dstr = NEWSV(34, strend-s); | |
4058 | sv_setpvn(dstr, s, strend-s); | |
4059 | if (!realarray) | |
4060 | sv_2mortal(dstr); | |
4061 | XPUSHs(dstr); | |
4062 | iters++; | |
79072805 | 4063 | } |
a0d0e21e | 4064 | else if (!origlimit) { |
b1dadf13 | 4065 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e LW |
4066 | iters--, SP--; |
4067 | } | |
4068 | if (realarray) { | |
4069 | SWITCHSTACK(ary, oldstack); | |
4070 | if (gimme == G_ARRAY) { | |
4071 | EXTEND(SP, iters); | |
4072 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
4073 | SP += iters; | |
4074 | RETURN; | |
4075 | } | |
4076 | } | |
4077 | else { | |
4078 | if (gimme == G_ARRAY) | |
4079 | RETURN; | |
4080 | } | |
4081 | if (iters || !pm->op_pmreplroot) { | |
4082 | GETTARGET; | |
4083 | PUSHi(iters); | |
4084 | RETURN; | |
4085 | } | |
4086 | RETPUSHUNDEF; | |
79072805 | 4087 | } |
85e6fe83 | 4088 |