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 | /* |
ef2d312d TH |
19 | * The compiler on Concurrent CX/UX systems has a subtle bug which only |
20 | * seems to show up when compiling pp.c - it generates the wrong double | |
21 | * precision constant value for (double)UV_MAX when used inline in the body | |
22 | * of the code below, so this makes a static variable up front (which the | |
23 | * compiler seems to get correct) and uses it in place of UV_MAX below. | |
24 | */ | |
25 | #ifdef CXUX_BROKEN_CONSTANT_CONVERT | |
26 | static double UV_MAX_cxux = ((double)UV_MAX); | |
8ec5e241 | 27 | #endif |
ef2d312d TH |
28 | |
29 | /* | |
36477c24 | 30 | * Types used in bitwise operations. |
31 | * | |
32 | * Normally we'd just use IV and UV. However, some hardware and | |
33 | * software combinations (e.g. Alpha and current OSF/1) don't have a | |
34 | * floating-point type to use for NV that has adequate bits to fully | |
35 | * hold an IV/UV. (In other words, sizeof(long) == sizeof(double).) | |
36 | * | |
96e4d5b1 | 37 | * It just so happens that "int" is the right size almost everywhere. |
36477c24 | 38 | */ |
39 | typedef int IBW; | |
40 | typedef unsigned UBW; | |
41 | ||
96e4d5b1 | 42 | /* |
43 | * Mask used after bitwise operations. | |
44 | * | |
45 | * There is at least one realm (Cray word machines) that doesn't | |
46 | * have an integral type (except char) small enough to be represented | |
47 | * in a double without loss; that is, it has no 32-bit type. | |
48 | */ | |
6ee623d5 | 49 | #if LONGSIZE > 4 && defined(_CRAY) && !defined(_CRAYMPP) |
46fc3d4c | 50 | # define BW_BITS 32 |
51 | # define BW_MASK ((1 << BW_BITS) - 1) | |
52 | # define BW_SIGN (1 << (BW_BITS - 1)) | |
96e4d5b1 | 53 | # define BWi(i) (((i) & BW_SIGN) ? ((i) | ~BW_MASK) : ((i) & BW_MASK)) |
54 | # define BWu(u) ((u) & BW_MASK) | |
55 | #else | |
56 | # define BWi(i) (i) | |
57 | # define BWu(u) (u) | |
58 | #endif | |
59 | ||
60 | /* | |
61 | * Offset for integer pack/unpack. | |
62 | * | |
63 | * On architectures where I16 and I32 aren't really 16 and 32 bits, | |
64 | * which for now are all Crays, pack and unpack have to play games. | |
65 | */ | |
66 | ||
67 | /* | |
68 | * These values are required for portability of pack() output. | |
69 | * If they're not right on your machine, then pack() and unpack() | |
70 | * wouldn't work right anyway; you'll need to apply the Cray hack. | |
71 | * (I'd like to check them with #if, but you can't use sizeof() in | |
dc45a647 MB |
72 | * the preprocessor.) --??? |
73 | */ | |
74 | /* | |
75 | The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE | |
76 | defines are now in config.h. --Andy Dougherty April 1998 | |
96e4d5b1 | 77 | */ |
78 | #define SIZE16 2 | |
79 | #define SIZE32 4 | |
80 | ||
81 | #if BYTEORDER > 0xFFFF && defined(_CRAY) && !defined(_CRAYMPP) | |
82 | # if BYTEORDER == 0x12345678 | |
83 | # define OFF16(p) (char*)(p) | |
84 | # define OFF32(p) (char*)(p) | |
85 | # else | |
86 | # if BYTEORDER == 0x87654321 | |
87 | # define OFF16(p) ((char*)(p) + (sizeof(U16) - SIZE16)) | |
88 | # define OFF32(p) ((char*)(p) + (sizeof(U32) - SIZE32)) | |
89 | # else | |
90 | }}}} bad cray byte order | |
91 | # endif | |
92 | # endif | |
93 | # define COPY16(s,p) (*(p) = 0, Copy(s, OFF16(p), SIZE16, char)) | |
94 | # define COPY32(s,p) (*(p) = 0, Copy(s, OFF32(p), SIZE32, char)) | |
95 | # define CAT16(sv,p) sv_catpvn(sv, OFF16(p), SIZE16) | |
96 | # define CAT32(sv,p) sv_catpvn(sv, OFF32(p), SIZE32) | |
97 | #else | |
98 | # define COPY16(s,p) Copy(s, p, SIZE16, char) | |
99 | # define COPY32(s,p) Copy(s, p, SIZE32, char) | |
100 | # define CAT16(sv,p) sv_catpvn(sv, (char*)(p), SIZE16) | |
101 | # define CAT32(sv,p) sv_catpvn(sv, (char*)(p), SIZE32) | |
102 | #endif | |
103 | ||
76e3520e | 104 | #ifndef PERL_OBJECT |
71be2cbc | 105 | static void doencodes _((SV* sv, char* s, I32 len)); |
93dc8474 CS |
106 | static SV* refto _((SV* sv)); |
107 | static U32 seed _((void)); | |
76e3520e | 108 | #endif |
93dc8474 CS |
109 | |
110 | static bool srand_called = FALSE; | |
79072805 | 111 | |
a0d0e21e | 112 | /* variations on pp_null */ |
79072805 | 113 | |
8ac85365 NIS |
114 | #ifdef I_UNISTD |
115 | #include <unistd.h> | |
116 | #endif | |
dfe9444c AD |
117 | |
118 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ | |
119 | it, since pid_t is an integral type. | |
120 | --AD 2/20/1998 | |
121 | */ | |
122 | #ifdef NEED_GETPID_PROTO | |
123 | extern Pid_t getpid (void); | |
8ac85365 NIS |
124 | #endif |
125 | ||
93a17b20 LW |
126 | PP(pp_stub) |
127 | { | |
4e35701f | 128 | djSP; |
54310121 | 129 | if (GIMME_V == G_SCALAR) |
93a17b20 | 130 | XPUSHs(&sv_undef); |
93a17b20 LW |
131 | RETURN; |
132 | } | |
133 | ||
79072805 LW |
134 | PP(pp_scalar) |
135 | { | |
136 | return NORMAL; | |
137 | } | |
138 | ||
139 | /* Pushy stuff. */ | |
140 | ||
93a17b20 LW |
141 | PP(pp_padav) |
142 | { | |
4e35701f | 143 | djSP; dTARGET; |
a0d0e21e | 144 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 | 145 | SAVECLEARSV(curpad[op->op_targ]); |
85e6fe83 | 146 | EXTEND(SP, 1); |
a0d0e21e | 147 | if (op->op_flags & OPf_REF) { |
85e6fe83 | 148 | PUSHs(TARG); |
93a17b20 | 149 | RETURN; |
85e6fe83 LW |
150 | } |
151 | if (GIMME == G_ARRAY) { | |
152 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
153 | EXTEND(SP, maxarg); | |
93965878 NIS |
154 | if (SvMAGICAL(TARG)) { |
155 | U32 i; | |
156 | for (i=0; i < maxarg; i++) { | |
157 | SV **svp = av_fetch((AV*)TARG, i, FALSE); | |
158 | SP[i+1] = (svp) ? *svp : &sv_undef; | |
159 | } | |
160 | } | |
161 | else { | |
162 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
163 | } | |
85e6fe83 LW |
164 | SP += maxarg; |
165 | } | |
166 | else { | |
167 | SV* sv = sv_newmortal(); | |
168 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
169 | sv_setiv(sv, maxarg); | |
170 | PUSHs(sv); | |
171 | } | |
172 | RETURN; | |
93a17b20 LW |
173 | } |
174 | ||
175 | PP(pp_padhv) | |
176 | { | |
4e35701f | 177 | djSP; dTARGET; |
54310121 | 178 | I32 gimme; |
179 | ||
93a17b20 | 180 | XPUSHs(TARG); |
a0d0e21e | 181 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 | 182 | SAVECLEARSV(curpad[op->op_targ]); |
a0d0e21e | 183 | if (op->op_flags & OPf_REF) |
93a17b20 | 184 | RETURN; |
54310121 | 185 | gimme = GIMME_V; |
186 | if (gimme == G_ARRAY) { | |
a0d0e21e | 187 | RETURNOP(do_kv(ARGS)); |
85e6fe83 | 188 | } |
54310121 | 189 | else if (gimme == G_SCALAR) { |
85e6fe83 | 190 | SV* sv = sv_newmortal(); |
46fc3d4c | 191 | if (HvFILL((HV*)TARG)) |
192 | sv_setpvf(sv, "%ld/%ld", | |
193 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); | |
85e6fe83 LW |
194 | else |
195 | sv_setiv(sv, 0); | |
196 | SETs(sv); | |
85e6fe83 | 197 | } |
54310121 | 198 | RETURN; |
93a17b20 LW |
199 | } |
200 | ||
ed6116ce LW |
201 | PP(pp_padany) |
202 | { | |
203 | DIE("NOT IMPL LINE %d",__LINE__); | |
204 | } | |
205 | ||
79072805 LW |
206 | /* Translations. */ |
207 | ||
208 | PP(pp_rv2gv) | |
209 | { | |
4e35701f | 210 | djSP; dTOPss; |
8ec5e241 | 211 | |
ed6116ce | 212 | if (SvROK(sv)) { |
a0d0e21e | 213 | wasref: |
ed6116ce | 214 | sv = SvRV(sv); |
b1dadf13 | 215 | if (SvTYPE(sv) == SVt_PVIO) { |
216 | GV *gv = (GV*) sv_newmortal(); | |
217 | gv_init(gv, 0, "", 0, 0); | |
218 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 219 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 220 | sv = (SV*) gv; |
221 | } else if (SvTYPE(sv) != SVt_PVGV) | |
a0d0e21e | 222 | DIE("Not a GLOB reference"); |
79072805 LW |
223 | } |
224 | else { | |
93a17b20 | 225 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 LW |
226 | char *sym; |
227 | ||
a0d0e21e LW |
228 | if (SvGMAGICAL(sv)) { |
229 | mg_get(sv); | |
230 | if (SvROK(sv)) | |
231 | goto wasref; | |
232 | } | |
233 | if (!SvOK(sv)) { | |
234 | if (op->op_flags & OPf_REF || | |
235 | op->op_private & HINT_STRICT_REFS) | |
236 | DIE(no_usym, "a symbol"); | |
d83e6520 CS |
237 | if (dowarn) |
238 | warn(warn_uninit); | |
a0d0e21e LW |
239 | RETSETUNDEF; |
240 | } | |
748a9306 | 241 | sym = SvPV(sv, na); |
85e6fe83 | 242 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 LW |
243 | DIE(no_symref, sym, "a symbol"); |
244 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); | |
93a17b20 | 245 | } |
79072805 | 246 | } |
5f05dabc | 247 | if (op->op_private & OPpLVAL_INTRO) |
248 | save_gp((GV*)sv, !(op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
249 | SETs(sv); |
250 | RETURN; | |
251 | } | |
252 | ||
79072805 LW |
253 | PP(pp_rv2sv) |
254 | { | |
4e35701f | 255 | djSP; dTOPss; |
79072805 | 256 | |
ed6116ce | 257 | if (SvROK(sv)) { |
a0d0e21e | 258 | wasref: |
ed6116ce | 259 | sv = SvRV(sv); |
79072805 LW |
260 | switch (SvTYPE(sv)) { |
261 | case SVt_PVAV: | |
262 | case SVt_PVHV: | |
263 | case SVt_PVCV: | |
a0d0e21e | 264 | DIE("Not a SCALAR reference"); |
79072805 LW |
265 | } |
266 | } | |
267 | else { | |
f12c7020 | 268 | GV *gv = (GV*)sv; |
748a9306 LW |
269 | char *sym; |
270 | ||
463ee0b2 | 271 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
272 | if (SvGMAGICAL(sv)) { |
273 | mg_get(sv); | |
274 | if (SvROK(sv)) | |
275 | goto wasref; | |
276 | } | |
277 | if (!SvOK(sv)) { | |
278 | if (op->op_flags & OPf_REF || | |
279 | op->op_private & HINT_STRICT_REFS) | |
280 | DIE(no_usym, "a SCALAR"); | |
d83e6520 CS |
281 | if (dowarn) |
282 | warn(warn_uninit); | |
a0d0e21e LW |
283 | RETSETUNDEF; |
284 | } | |
748a9306 | 285 | sym = SvPV(sv, na); |
85e6fe83 | 286 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 | 287 | DIE(no_symref, sym, "a SCALAR"); |
f12c7020 | 288 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
463ee0b2 LW |
289 | } |
290 | sv = GvSV(gv); | |
a0d0e21e LW |
291 | } |
292 | if (op->op_flags & OPf_MOD) { | |
293 | if (op->op_private & OPpLVAL_INTRO) | |
294 | sv = save_scalar((GV*)TOPs); | |
5f05dabc | 295 | else if (op->op_private & OPpDEREF) |
68dc0745 | 296 | vivify_ref(sv, op->op_private & OPpDEREF); |
79072805 | 297 | } |
a0d0e21e | 298 | SETs(sv); |
79072805 LW |
299 | RETURN; |
300 | } | |
301 | ||
302 | PP(pp_av2arylen) | |
303 | { | |
4e35701f | 304 | djSP; |
79072805 LW |
305 | AV *av = (AV*)TOPs; |
306 | SV *sv = AvARYLEN(av); | |
307 | if (!sv) { | |
308 | AvARYLEN(av) = sv = NEWSV(0,0); | |
309 | sv_upgrade(sv, SVt_IV); | |
310 | sv_magic(sv, (SV*)av, '#', Nullch, 0); | |
311 | } | |
312 | SETs(sv); | |
313 | RETURN; | |
314 | } | |
315 | ||
a0d0e21e LW |
316 | PP(pp_pos) |
317 | { | |
4e35701f | 318 | djSP; dTARGET; dPOPss; |
8ec5e241 | 319 | |
a0d0e21e | 320 | if (op->op_flags & OPf_MOD) { |
5f05dabc | 321 | if (SvTYPE(TARG) < SVt_PVLV) { |
322 | sv_upgrade(TARG, SVt_PVLV); | |
323 | sv_magic(TARG, Nullsv, '.', Nullch, 0); | |
324 | } | |
325 | ||
326 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
327 | if (LvTARG(TARG) != sv) { |
328 | if (LvTARG(TARG)) | |
329 | SvREFCNT_dec(LvTARG(TARG)); | |
330 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
331 | } | |
a0d0e21e LW |
332 | PUSHs(TARG); /* no SvSETMAGIC */ |
333 | RETURN; | |
334 | } | |
335 | else { | |
8ec5e241 | 336 | MAGIC* mg; |
a0d0e21e LW |
337 | |
338 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
339 | mg = mg_find(sv, 'g'); | |
565764a8 DL |
340 | if (mg && mg->mg_len >= 0) { |
341 | PUSHi(mg->mg_len + curcop->cop_arybase); | |
a0d0e21e LW |
342 | RETURN; |
343 | } | |
344 | } | |
345 | RETPUSHUNDEF; | |
346 | } | |
347 | } | |
348 | ||
79072805 LW |
349 | PP(pp_rv2cv) |
350 | { | |
4e35701f | 351 | djSP; |
79072805 LW |
352 | GV *gv; |
353 | HV *stash; | |
8990e307 | 354 | |
4633a7c4 LW |
355 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
356 | /* (But not in defined().) */ | |
357 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL)); | |
07055b4c CS |
358 | if (cv) { |
359 | if (CvCLONE(cv)) | |
360 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
361 | } | |
362 | else | |
4633a7c4 | 363 | cv = (CV*)&sv_undef; |
79072805 LW |
364 | SETs((SV*)cv); |
365 | RETURN; | |
366 | } | |
367 | ||
c07a80fd | 368 | PP(pp_prototype) |
369 | { | |
4e35701f | 370 | djSP; |
c07a80fd | 371 | CV *cv; |
372 | HV *stash; | |
373 | GV *gv; | |
374 | SV *ret; | |
375 | ||
376 | ret = &sv_undef; | |
b6c543e3 IZ |
377 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
378 | char *s = SvPVX(TOPs); | |
379 | if (strnEQ(s, "CORE::", 6)) { | |
380 | int code; | |
381 | ||
382 | code = keyword(s + 6, SvCUR(TOPs) - 6); | |
383 | if (code < 0) { /* Overridable. */ | |
384 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
385 | int i = 0, n = 0, seen_question = 0; | |
386 | I32 oa; | |
387 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
388 | ||
389 | while (i < MAXO) { /* The slow way. */ | |
390 | if (strEQ(s + 6, op_name[i]) || strEQ(s + 6, op_desc[i])) | |
391 | goto found; | |
392 | i++; | |
393 | } | |
394 | goto nonesuch; /* Should not happen... */ | |
395 | found: | |
396 | oa = opargs[i] >> OASHIFT; | |
397 | while (oa) { | |
398 | if (oa & OA_OPTIONAL) { | |
399 | seen_question = 1; | |
400 | str[n++] = ';'; | |
401 | } else if (seen_question) | |
402 | goto set; /* XXXX system, exec */ | |
403 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF | |
404 | && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) { | |
405 | str[n++] = '\\'; | |
406 | } | |
407 | /* What to do with R ((un)tie, tied, (sys)read, recv)? */ | |
408 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; | |
409 | oa = oa >> 4; | |
410 | } | |
411 | str[n++] = '\0'; | |
412 | ret = sv_2mortal(newSVpv(str, n - 1)); | |
413 | } else if (code) /* Non-Overridable */ | |
414 | goto set; | |
415 | else { /* None such */ | |
416 | nonesuch: | |
417 | croak("Cannot find an opnumber for \"%s\"", s+6); | |
418 | } | |
419 | } | |
420 | } | |
c07a80fd | 421 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 422 | if (cv && SvPOK(cv)) |
423 | ret = sv_2mortal(newSVpv(SvPVX(cv), SvCUR(cv))); | |
b6c543e3 | 424 | set: |
c07a80fd | 425 | SETs(ret); |
426 | RETURN; | |
427 | } | |
428 | ||
a0d0e21e LW |
429 | PP(pp_anoncode) |
430 | { | |
4e35701f | 431 | djSP; |
5f05dabc | 432 | CV* cv = (CV*)curpad[op->op_targ]; |
a5f75d66 | 433 | if (CvCLONE(cv)) |
b355b4e0 | 434 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 435 | EXTEND(SP,1); |
748a9306 | 436 | PUSHs((SV*)cv); |
a0d0e21e LW |
437 | RETURN; |
438 | } | |
439 | ||
440 | PP(pp_srefgen) | |
79072805 | 441 | { |
4e35701f | 442 | djSP; |
71be2cbc | 443 | *SP = refto(*SP); |
79072805 | 444 | RETURN; |
8ec5e241 | 445 | } |
a0d0e21e LW |
446 | |
447 | PP(pp_refgen) | |
448 | { | |
4e35701f | 449 | djSP; dMARK; |
a0d0e21e | 450 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
451 | if (++MARK <= SP) |
452 | *MARK = *SP; | |
453 | else | |
454 | *MARK = &sv_undef; | |
455 | *MARK = refto(*MARK); | |
456 | SP = MARK; | |
457 | RETURN; | |
a0d0e21e | 458 | } |
bbce6d69 | 459 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 460 | while (++MARK <= SP) |
461 | *MARK = refto(*MARK); | |
a0d0e21e | 462 | RETURN; |
79072805 LW |
463 | } |
464 | ||
76e3520e | 465 | STATIC SV* |
8ac85365 | 466 | refto(SV *sv) |
71be2cbc | 467 | { |
468 | SV* rv; | |
469 | ||
470 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
471 | if (LvTARGLEN(sv)) | |
68dc0745 | 472 | vivify_defelem(sv); |
473 | if (!(sv = LvTARG(sv))) | |
474 | sv = &sv_undef; | |
71be2cbc | 475 | } |
476 | else if (SvPADTMP(sv)) | |
477 | sv = newSVsv(sv); | |
478 | else { | |
479 | SvTEMP_off(sv); | |
480 | (void)SvREFCNT_inc(sv); | |
481 | } | |
482 | rv = sv_newmortal(); | |
483 | sv_upgrade(rv, SVt_RV); | |
484 | SvRV(rv) = sv; | |
485 | SvROK_on(rv); | |
486 | return rv; | |
487 | } | |
488 | ||
79072805 LW |
489 | PP(pp_ref) |
490 | { | |
4e35701f | 491 | djSP; dTARGET; |
463ee0b2 | 492 | SV *sv; |
79072805 LW |
493 | char *pv; |
494 | ||
a0d0e21e | 495 | sv = POPs; |
f12c7020 | 496 | |
497 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 498 | mg_get(sv); |
f12c7020 | 499 | |
a0d0e21e | 500 | if (!sv || !SvROK(sv)) |
4633a7c4 | 501 | RETPUSHNO; |
79072805 | 502 | |
ed6116ce | 503 | sv = SvRV(sv); |
a0d0e21e | 504 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 505 | PUSHp(pv, strlen(pv)); |
79072805 LW |
506 | RETURN; |
507 | } | |
508 | ||
509 | PP(pp_bless) | |
510 | { | |
4e35701f | 511 | djSP; |
463ee0b2 | 512 | HV *stash; |
79072805 | 513 | |
463ee0b2 LW |
514 | if (MAXARG == 1) |
515 | stash = curcop->cop_stash; | |
7b8d334a GS |
516 | else { |
517 | SV *ssv = POPs; | |
518 | STRLEN len; | |
519 | char *ptr = SvPV(ssv,len); | |
520 | if (dowarn && len == 0) | |
521 | warn("Explicit blessing to '' (assuming package main)"); | |
522 | stash = gv_stashpvn(ptr, len, TRUE); | |
523 | } | |
a0d0e21e | 524 | |
5d3fdfeb | 525 | (void)sv_bless(TOPs, stash); |
79072805 LW |
526 | RETURN; |
527 | } | |
528 | ||
fb73857a | 529 | PP(pp_gelem) |
530 | { | |
531 | GV *gv; | |
532 | SV *sv; | |
76e3520e | 533 | SV *tmpRef; |
fb73857a | 534 | char *elem; |
4e35701f | 535 | djSP; |
fb73857a | 536 | |
537 | sv = POPs; | |
538 | elem = SvPV(sv, na); | |
539 | gv = (GV*)POPs; | |
76e3520e | 540 | tmpRef = Nullsv; |
fb73857a | 541 | sv = Nullsv; |
542 | switch (elem ? *elem : '\0') | |
543 | { | |
544 | case 'A': | |
545 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 546 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 547 | break; |
548 | case 'C': | |
549 | if (strEQ(elem, "CODE")) | |
76e3520e | 550 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 551 | break; |
552 | case 'F': | |
553 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ | |
76e3520e | 554 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 555 | break; |
556 | case 'G': | |
557 | if (strEQ(elem, "GLOB")) | |
76e3520e | 558 | tmpRef = (SV*)gv; |
fb73857a | 559 | break; |
560 | case 'H': | |
561 | if (strEQ(elem, "HASH")) | |
76e3520e | 562 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 563 | break; |
564 | case 'I': | |
565 | if (strEQ(elem, "IO")) | |
76e3520e | 566 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 567 | break; |
568 | case 'N': | |
569 | if (strEQ(elem, "NAME")) | |
570 | sv = newSVpv(GvNAME(gv), GvNAMELEN(gv)); | |
571 | break; | |
572 | case 'P': | |
573 | if (strEQ(elem, "PACKAGE")) | |
574 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
575 | break; | |
576 | case 'S': | |
577 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 578 | tmpRef = GvSV(gv); |
fb73857a | 579 | break; |
580 | } | |
76e3520e GS |
581 | if (tmpRef) |
582 | sv = newRV(tmpRef); | |
fb73857a | 583 | if (sv) |
584 | sv_2mortal(sv); | |
585 | else | |
586 | sv = &sv_undef; | |
587 | XPUSHs(sv); | |
588 | RETURN; | |
589 | } | |
590 | ||
a0d0e21e | 591 | /* Pattern matching */ |
79072805 | 592 | |
a0d0e21e | 593 | PP(pp_study) |
79072805 | 594 | { |
4e35701f | 595 | djSP; dPOPss; |
c277df42 | 596 | register UNOP *unop = cUNOP; |
a0d0e21e LW |
597 | register unsigned char *s; |
598 | register I32 pos; | |
599 | register I32 ch; | |
600 | register I32 *sfirst; | |
601 | register I32 *snext; | |
a0d0e21e LW |
602 | STRLEN len; |
603 | ||
c277df42 IZ |
604 | if(unop->op_first && unop->op_first->op_type == OP_PUSHRE) { |
605 | PMOP *pm = (PMOP *)unop->op_first; | |
606 | SV *rv = sv_newmortal(); | |
607 | sv = newSVrv(rv, "Regexp"); | |
f9277f47 | 608 | sv_magic(sv,(SV*)ReREFCNT_inc(pm->op_pmregexp),'r',0,0); |
c277df42 IZ |
609 | RETURNX(PUSHs(rv)); |
610 | } | |
611 | ||
1e422769 | 612 | if (sv == lastscream) { |
613 | if (SvSCREAM(sv)) | |
614 | RETPUSHYES; | |
615 | } | |
c07a80fd | 616 | else { |
617 | if (lastscream) { | |
618 | SvSCREAM_off(lastscream); | |
619 | SvREFCNT_dec(lastscream); | |
620 | } | |
621 | lastscream = SvREFCNT_inc(sv); | |
622 | } | |
1e422769 | 623 | |
624 | s = (unsigned char*)(SvPV(sv, len)); | |
625 | pos = len; | |
626 | if (pos <= 0) | |
627 | RETPUSHNO; | |
a0d0e21e LW |
628 | if (pos > maxscream) { |
629 | if (maxscream < 0) { | |
630 | maxscream = pos + 80; | |
631 | New(301, screamfirst, 256, I32); | |
632 | New(302, screamnext, maxscream, I32); | |
79072805 LW |
633 | } |
634 | else { | |
a0d0e21e LW |
635 | maxscream = pos + pos / 4; |
636 | Renew(screamnext, maxscream, I32); | |
79072805 | 637 | } |
79072805 | 638 | } |
a0d0e21e LW |
639 | |
640 | sfirst = screamfirst; | |
641 | snext = screamnext; | |
642 | ||
643 | if (!sfirst || !snext) | |
644 | DIE("do_study: out of memory"); | |
645 | ||
646 | for (ch = 256; ch; --ch) | |
647 | *sfirst++ = -1; | |
648 | sfirst -= 256; | |
649 | ||
650 | while (--pos >= 0) { | |
651 | ch = s[pos]; | |
652 | if (sfirst[ch] >= 0) | |
653 | snext[pos] = sfirst[ch] - pos; | |
654 | else | |
655 | snext[pos] = -pos; | |
656 | sfirst[ch] = pos; | |
79072805 LW |
657 | } |
658 | ||
c07a80fd | 659 | SvSCREAM_on(sv); |
464e2e8a | 660 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
1e422769 | 661 | RETPUSHYES; |
79072805 LW |
662 | } |
663 | ||
a0d0e21e | 664 | PP(pp_trans) |
79072805 | 665 | { |
4e35701f | 666 | djSP; dTARG; |
a0d0e21e LW |
667 | SV *sv; |
668 | ||
669 | if (op->op_flags & OPf_STACKED) | |
670 | sv = POPs; | |
79072805 | 671 | else { |
54b9620d | 672 | sv = DEFSV; |
a0d0e21e | 673 | EXTEND(SP,1); |
79072805 | 674 | } |
adbc6bb1 | 675 | TARG = sv_newmortal(); |
a0d0e21e LW |
676 | PUSHi(do_trans(sv, op)); |
677 | RETURN; | |
79072805 LW |
678 | } |
679 | ||
a0d0e21e | 680 | /* Lvalue operators. */ |
79072805 | 681 | |
a0d0e21e LW |
682 | PP(pp_schop) |
683 | { | |
4e35701f | 684 | djSP; dTARGET; |
a0d0e21e LW |
685 | do_chop(TARG, TOPs); |
686 | SETTARG; | |
687 | RETURN; | |
79072805 LW |
688 | } |
689 | ||
a0d0e21e | 690 | PP(pp_chop) |
79072805 | 691 | { |
4e35701f | 692 | djSP; dMARK; dTARGET; |
a0d0e21e LW |
693 | while (SP > MARK) |
694 | do_chop(TARG, POPs); | |
695 | PUSHTARG; | |
696 | RETURN; | |
79072805 LW |
697 | } |
698 | ||
a0d0e21e | 699 | PP(pp_schomp) |
79072805 | 700 | { |
4e35701f | 701 | djSP; dTARGET; |
a0d0e21e LW |
702 | SETi(do_chomp(TOPs)); |
703 | RETURN; | |
79072805 LW |
704 | } |
705 | ||
a0d0e21e | 706 | PP(pp_chomp) |
79072805 | 707 | { |
4e35701f | 708 | djSP; dMARK; dTARGET; |
a0d0e21e | 709 | register I32 count = 0; |
8ec5e241 | 710 | |
a0d0e21e LW |
711 | while (SP > MARK) |
712 | count += do_chomp(POPs); | |
713 | PUSHi(count); | |
714 | RETURN; | |
79072805 LW |
715 | } |
716 | ||
a0d0e21e | 717 | PP(pp_defined) |
463ee0b2 | 718 | { |
4e35701f | 719 | djSP; |
a0d0e21e LW |
720 | register SV* sv; |
721 | ||
722 | sv = POPs; | |
723 | if (!sv || !SvANY(sv)) | |
724 | RETPUSHNO; | |
725 | switch (SvTYPE(sv)) { | |
726 | case SVt_PVAV: | |
fb73857a | 727 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv)) |
a0d0e21e LW |
728 | RETPUSHYES; |
729 | break; | |
730 | case SVt_PVHV: | |
fb73857a | 731 | if (HvARRAY(sv) || SvGMAGICAL(sv)) |
a0d0e21e LW |
732 | RETPUSHYES; |
733 | break; | |
734 | case SVt_PVCV: | |
735 | if (CvROOT(sv) || CvXSUB(sv)) | |
736 | RETPUSHYES; | |
737 | break; | |
738 | default: | |
739 | if (SvGMAGICAL(sv)) | |
740 | mg_get(sv); | |
741 | if (SvOK(sv)) | |
742 | RETPUSHYES; | |
743 | } | |
744 | RETPUSHNO; | |
463ee0b2 LW |
745 | } |
746 | ||
a0d0e21e LW |
747 | PP(pp_undef) |
748 | { | |
4e35701f | 749 | djSP; |
a0d0e21e LW |
750 | SV *sv; |
751 | ||
774d564b | 752 | if (!op->op_private) { |
753 | EXTEND(SP, 1); | |
a0d0e21e | 754 | RETPUSHUNDEF; |
774d564b | 755 | } |
79072805 | 756 | |
a0d0e21e LW |
757 | sv = POPs; |
758 | if (!sv) | |
759 | RETPUSHUNDEF; | |
85e6fe83 | 760 | |
a0d0e21e LW |
761 | if (SvTHINKFIRST(sv)) { |
762 | if (SvREADONLY(sv)) | |
763 | RETPUSHUNDEF; | |
764 | if (SvROK(sv)) | |
765 | sv_unref(sv); | |
85e6fe83 LW |
766 | } |
767 | ||
a0d0e21e LW |
768 | switch (SvTYPE(sv)) { |
769 | case SVt_NULL: | |
770 | break; | |
771 | case SVt_PVAV: | |
772 | av_undef((AV*)sv); | |
773 | break; | |
774 | case SVt_PVHV: | |
775 | hv_undef((HV*)sv); | |
776 | break; | |
777 | case SVt_PVCV: | |
fe5e78ed | 778 | if (dowarn && cv_const_sv((CV*)sv)) |
9607fc9c | 779 | warn("Constant subroutine %s undefined", |
54310121 | 780 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 781 | /* FALL THROUGH */ |
782 | case SVt_PVFM: | |
09280a33 CS |
783 | { GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv)); |
784 | cv_undef((CV*)sv); | |
785 | CvGV((CV*)sv) = gv; } /* let user-undef'd sub keep its identity */ | |
a0d0e21e | 786 | break; |
8e07c86e | 787 | case SVt_PVGV: |
44a8e56a | 788 | if (SvFAKE(sv)) |
20408e3c GS |
789 | SvSetMagicSV(sv, &sv_undef); |
790 | else { | |
791 | GP *gp; | |
792 | gp_free((GV*)sv); | |
793 | Newz(602, gp, 1, GP); | |
794 | GvGP(sv) = gp_ref(gp); | |
795 | GvSV(sv) = NEWSV(72,0); | |
796 | GvLINE(sv) = curcop->cop_line; | |
797 | GvEGV(sv) = (GV*)sv; | |
798 | GvMULTI_on(sv); | |
799 | } | |
44a8e56a | 800 | break; |
a0d0e21e | 801 | default: |
1e422769 | 802 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
803 | (void)SvOOK_off(sv); |
804 | Safefree(SvPVX(sv)); | |
805 | SvPV_set(sv, Nullch); | |
806 | SvLEN_set(sv, 0); | |
a0d0e21e | 807 | } |
4633a7c4 LW |
808 | (void)SvOK_off(sv); |
809 | SvSETMAGIC(sv); | |
79072805 | 810 | } |
a0d0e21e LW |
811 | |
812 | RETPUSHUNDEF; | |
79072805 LW |
813 | } |
814 | ||
a0d0e21e | 815 | PP(pp_predec) |
79072805 | 816 | { |
4e35701f | 817 | djSP; |
68dc0745 | 818 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 819 | croak(no_modify); |
55497cff | 820 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
821 | SvIVX(TOPs) != IV_MIN) | |
822 | { | |
748a9306 | 823 | --SvIVX(TOPs); |
55497cff | 824 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
825 | } |
826 | else | |
827 | sv_dec(TOPs); | |
a0d0e21e LW |
828 | SvSETMAGIC(TOPs); |
829 | return NORMAL; | |
830 | } | |
79072805 | 831 | |
a0d0e21e LW |
832 | PP(pp_postinc) |
833 | { | |
4e35701f | 834 | djSP; dTARGET; |
68dc0745 | 835 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 836 | croak(no_modify); |
a0d0e21e | 837 | sv_setsv(TARG, TOPs); |
55497cff | 838 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
839 | SvIVX(TOPs) != IV_MAX) | |
840 | { | |
748a9306 | 841 | ++SvIVX(TOPs); |
55497cff | 842 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
843 | } |
844 | else | |
845 | sv_inc(TOPs); | |
a0d0e21e LW |
846 | SvSETMAGIC(TOPs); |
847 | if (!SvOK(TARG)) | |
848 | sv_setiv(TARG, 0); | |
849 | SETs(TARG); | |
850 | return NORMAL; | |
851 | } | |
79072805 | 852 | |
a0d0e21e LW |
853 | PP(pp_postdec) |
854 | { | |
4e35701f | 855 | djSP; dTARGET; |
68dc0745 | 856 | if(SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 857 | croak(no_modify); |
a0d0e21e | 858 | sv_setsv(TARG, TOPs); |
55497cff | 859 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
860 | SvIVX(TOPs) != IV_MIN) | |
861 | { | |
748a9306 | 862 | --SvIVX(TOPs); |
55497cff | 863 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
864 | } |
865 | else | |
866 | sv_dec(TOPs); | |
a0d0e21e LW |
867 | SvSETMAGIC(TOPs); |
868 | SETs(TARG); | |
869 | return NORMAL; | |
870 | } | |
79072805 | 871 | |
a0d0e21e LW |
872 | /* Ordinary operators. */ |
873 | ||
874 | PP(pp_pow) | |
875 | { | |
8ec5e241 | 876 | djSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
877 | { |
878 | dPOPTOPnnrl; | |
879 | SETn( pow( left, right) ); | |
880 | RETURN; | |
93a17b20 | 881 | } |
a0d0e21e LW |
882 | } |
883 | ||
884 | PP(pp_multiply) | |
885 | { | |
8ec5e241 | 886 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
887 | { |
888 | dPOPTOPnnrl; | |
889 | SETn( left * right ); | |
890 | RETURN; | |
79072805 | 891 | } |
a0d0e21e LW |
892 | } |
893 | ||
894 | PP(pp_divide) | |
895 | { | |
8ec5e241 | 896 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e | 897 | { |
77676ba1 | 898 | dPOPPOPnnrl; |
7a4c00b4 | 899 | double value; |
900 | if (right == 0.0) | |
a0d0e21e LW |
901 | DIE("Illegal division by zero"); |
902 | #ifdef SLOPPYDIVIDE | |
903 | /* insure that 20./5. == 4. */ | |
904 | { | |
7a4c00b4 | 905 | IV k; |
906 | if ((double)I_V(left) == left && | |
907 | (double)I_V(right) == right && | |
908 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { | |
a0d0e21e LW |
909 | value = k; |
910 | } else { | |
7a4c00b4 | 911 | value = left / right; |
79072805 | 912 | } |
a0d0e21e LW |
913 | } |
914 | #else | |
7a4c00b4 | 915 | value = left / right; |
a0d0e21e LW |
916 | #endif |
917 | PUSHn( value ); | |
918 | RETURN; | |
79072805 | 919 | } |
a0d0e21e LW |
920 | } |
921 | ||
922 | PP(pp_modulo) | |
923 | { | |
76e3520e | 924 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 925 | { |
68dc0745 | 926 | UV left; |
927 | UV right; | |
beb18505 CS |
928 | bool left_neg; |
929 | bool right_neg; | |
68dc0745 | 930 | UV ans; |
a0d0e21e | 931 | |
68dc0745 | 932 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
933 | IV i = SvIVX(POPs); | |
beb18505 | 934 | right = (right_neg = (i < 0)) ? -i : i; |
68dc0745 | 935 | } |
936 | else { | |
937 | double n = POPn; | |
beb18505 | 938 | right = U_V((right_neg = (n < 0)) ? -n : n); |
68dc0745 | 939 | } |
a0d0e21e | 940 | |
36477c24 | 941 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
68dc0745 | 942 | IV i = SvIVX(POPs); |
beb18505 | 943 | left = (left_neg = (i < 0)) ? -i : i; |
36477c24 | 944 | } |
a0d0e21e | 945 | else { |
68dc0745 | 946 | double n = POPn; |
beb18505 | 947 | left = U_V((left_neg = (n < 0)) ? -n : n); |
a0d0e21e | 948 | } |
68dc0745 | 949 | |
950 | if (!right) | |
951 | DIE("Illegal modulus zero"); | |
952 | ||
953 | ans = left % right; | |
beb18505 | 954 | if ((left_neg != right_neg) && ans) |
68dc0745 | 955 | ans = right - ans; |
beb18505 | 956 | if (right_neg) { |
3e3baf6d TB |
957 | /* XXX may warn: unary minus operator applied to unsigned type */ |
958 | /* could change -foo to be (~foo)+1 instead */ | |
4e35701f NIS |
959 | if (ans <= ~((UV)IV_MAX)+1) |
960 | sv_setiv(TARG, ~ans+1); | |
beb18505 CS |
961 | else |
962 | sv_setnv(TARG, -(double)ans); | |
963 | } | |
964 | else | |
965 | sv_setuv(TARG, ans); | |
966 | PUSHTARG; | |
a0d0e21e | 967 | RETURN; |
79072805 | 968 | } |
a0d0e21e | 969 | } |
79072805 | 970 | |
a0d0e21e LW |
971 | PP(pp_repeat) |
972 | { | |
4e35701f | 973 | djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 974 | { |
a0d0e21e LW |
975 | register I32 count = POPi; |
976 | if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) { | |
977 | dMARK; | |
978 | I32 items = SP - MARK; | |
979 | I32 max; | |
79072805 | 980 | |
a0d0e21e LW |
981 | max = items * count; |
982 | MEXTEND(MARK, max); | |
983 | if (count > 1) { | |
984 | while (SP > MARK) { | |
985 | if (*SP) | |
986 | SvTEMP_off((*SP)); | |
987 | SP--; | |
79072805 | 988 | } |
a0d0e21e LW |
989 | MARK++; |
990 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
991 | items * sizeof(SV*), count - 1); | |
992 | SP += max; | |
79072805 | 993 | } |
a0d0e21e LW |
994 | else if (count <= 0) |
995 | SP -= items; | |
79072805 | 996 | } |
a0d0e21e LW |
997 | else { /* Note: mark already snarfed by pp_list */ |
998 | SV *tmpstr; | |
999 | STRLEN len; | |
1000 | ||
1001 | tmpstr = POPs; | |
1002 | if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) { | |
1003 | if (SvREADONLY(tmpstr) && curcop != &compiling) | |
1004 | DIE("Can't x= to readonly value"); | |
1005 | if (SvROK(tmpstr)) | |
1006 | sv_unref(tmpstr); | |
93a17b20 | 1007 | } |
a0d0e21e LW |
1008 | SvSetSV(TARG, tmpstr); |
1009 | SvPV_force(TARG, len); | |
8ebc5c01 | 1010 | if (count != 1) { |
1011 | if (count < 1) | |
1012 | SvCUR_set(TARG, 0); | |
1013 | else { | |
1014 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1015 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1016 | SvCUR(TARG) *= count; |
7a4c00b4 | 1017 | } |
a0d0e21e | 1018 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1019 | } |
8ebc5c01 | 1020 | (void)SvPOK_only(TARG); |
a0d0e21e | 1021 | PUSHTARG; |
79072805 | 1022 | } |
a0d0e21e | 1023 | RETURN; |
748a9306 | 1024 | } |
a0d0e21e | 1025 | } |
79072805 | 1026 | |
a0d0e21e LW |
1027 | PP(pp_subtract) |
1028 | { | |
8ec5e241 | 1029 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 1030 | { |
7a4c00b4 | 1031 | dPOPTOPnnrl_ul; |
a0d0e21e LW |
1032 | SETn( left - right ); |
1033 | RETURN; | |
79072805 | 1034 | } |
a0d0e21e | 1035 | } |
79072805 | 1036 | |
a0d0e21e LW |
1037 | PP(pp_left_shift) |
1038 | { | |
8ec5e241 | 1039 | djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1040 | { |
36477c24 | 1041 | IBW shift = POPi; |
ff68c719 | 1042 | if (op->op_private & HINT_INTEGER) { |
36477c24 | 1043 | IBW i = TOPi; |
46fc3d4c | 1044 | i = BWi(i) << shift; |
96e4d5b1 | 1045 | SETi(BWi(i)); |
ff68c719 | 1046 | } |
1047 | else { | |
36477c24 | 1048 | UBW u = TOPu; |
96e4d5b1 | 1049 | u <<= shift; |
1050 | SETu(BWu(u)); | |
ff68c719 | 1051 | } |
55497cff | 1052 | RETURN; |
79072805 | 1053 | } |
a0d0e21e | 1054 | } |
79072805 | 1055 | |
a0d0e21e LW |
1056 | PP(pp_right_shift) |
1057 | { | |
8ec5e241 | 1058 | djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1059 | { |
36477c24 | 1060 | IBW shift = POPi; |
ff68c719 | 1061 | if (op->op_private & HINT_INTEGER) { |
36477c24 | 1062 | IBW i = TOPi; |
46fc3d4c | 1063 | i = BWi(i) >> shift; |
96e4d5b1 | 1064 | SETi(BWi(i)); |
ff68c719 | 1065 | } |
1066 | else { | |
36477c24 | 1067 | UBW u = TOPu; |
96e4d5b1 | 1068 | u >>= shift; |
1069 | SETu(BWu(u)); | |
ff68c719 | 1070 | } |
a0d0e21e | 1071 | RETURN; |
93a17b20 | 1072 | } |
79072805 LW |
1073 | } |
1074 | ||
a0d0e21e | 1075 | PP(pp_lt) |
79072805 | 1076 | { |
8ec5e241 | 1077 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1078 | { |
1079 | dPOPnv; | |
54310121 | 1080 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1081 | RETURN; |
79072805 | 1082 | } |
a0d0e21e | 1083 | } |
79072805 | 1084 | |
a0d0e21e LW |
1085 | PP(pp_gt) |
1086 | { | |
8ec5e241 | 1087 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1088 | { |
1089 | dPOPnv; | |
54310121 | 1090 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1091 | RETURN; |
79072805 | 1092 | } |
a0d0e21e LW |
1093 | } |
1094 | ||
1095 | PP(pp_le) | |
1096 | { | |
8ec5e241 | 1097 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1098 | { |
1099 | dPOPnv; | |
54310121 | 1100 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1101 | RETURN; |
79072805 | 1102 | } |
a0d0e21e LW |
1103 | } |
1104 | ||
1105 | PP(pp_ge) | |
1106 | { | |
8ec5e241 | 1107 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1108 | { |
1109 | dPOPnv; | |
54310121 | 1110 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1111 | RETURN; |
79072805 | 1112 | } |
a0d0e21e | 1113 | } |
79072805 | 1114 | |
a0d0e21e LW |
1115 | PP(pp_ne) |
1116 | { | |
8ec5e241 | 1117 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1118 | { |
1119 | dPOPnv; | |
54310121 | 1120 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1121 | RETURN; |
1122 | } | |
79072805 LW |
1123 | } |
1124 | ||
a0d0e21e | 1125 | PP(pp_ncmp) |
79072805 | 1126 | { |
8ec5e241 | 1127 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1128 | { |
1129 | dPOPTOPnnrl; | |
1130 | I32 value; | |
79072805 | 1131 | |
ff0cee69 | 1132 | if (left == right) |
a0d0e21e | 1133 | value = 0; |
a0d0e21e LW |
1134 | else if (left < right) |
1135 | value = -1; | |
44a8e56a | 1136 | else if (left > right) |
1137 | value = 1; | |
1138 | else { | |
1139 | SETs(&sv_undef); | |
1140 | RETURN; | |
1141 | } | |
a0d0e21e LW |
1142 | SETi(value); |
1143 | RETURN; | |
79072805 | 1144 | } |
a0d0e21e | 1145 | } |
79072805 | 1146 | |
a0d0e21e LW |
1147 | PP(pp_slt) |
1148 | { | |
8ec5e241 | 1149 | djSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1150 | { |
1151 | dPOPTOPssrl; | |
bbce6d69 | 1152 | int cmp = ((op->op_private & OPpLOCALE) |
1153 | ? sv_cmp_locale(left, right) | |
1154 | : sv_cmp(left, right)); | |
54310121 | 1155 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1156 | RETURN; |
1157 | } | |
79072805 LW |
1158 | } |
1159 | ||
a0d0e21e | 1160 | PP(pp_sgt) |
79072805 | 1161 | { |
8ec5e241 | 1162 | djSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1163 | { |
1164 | dPOPTOPssrl; | |
bbce6d69 | 1165 | int cmp = ((op->op_private & OPpLOCALE) |
1166 | ? sv_cmp_locale(left, right) | |
1167 | : sv_cmp(left, right)); | |
54310121 | 1168 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1169 | RETURN; |
1170 | } | |
1171 | } | |
79072805 | 1172 | |
a0d0e21e LW |
1173 | PP(pp_sle) |
1174 | { | |
8ec5e241 | 1175 | djSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1176 | { |
1177 | dPOPTOPssrl; | |
bbce6d69 | 1178 | int cmp = ((op->op_private & OPpLOCALE) |
1179 | ? sv_cmp_locale(left, right) | |
1180 | : sv_cmp(left, right)); | |
54310121 | 1181 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1182 | RETURN; |
79072805 | 1183 | } |
79072805 LW |
1184 | } |
1185 | ||
a0d0e21e LW |
1186 | PP(pp_sge) |
1187 | { | |
8ec5e241 | 1188 | djSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1189 | { |
1190 | dPOPTOPssrl; | |
bbce6d69 | 1191 | int cmp = ((op->op_private & OPpLOCALE) |
1192 | ? sv_cmp_locale(left, right) | |
1193 | : sv_cmp(left, right)); | |
54310121 | 1194 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1195 | RETURN; |
1196 | } | |
1197 | } | |
79072805 | 1198 | |
36477c24 | 1199 | PP(pp_seq) |
1200 | { | |
8ec5e241 | 1201 | djSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1202 | { |
1203 | dPOPTOPssrl; | |
54310121 | 1204 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1205 | RETURN; |
1206 | } | |
1207 | } | |
79072805 | 1208 | |
a0d0e21e | 1209 | PP(pp_sne) |
79072805 | 1210 | { |
8ec5e241 | 1211 | djSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1212 | { |
1213 | dPOPTOPssrl; | |
54310121 | 1214 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1215 | RETURN; |
463ee0b2 | 1216 | } |
79072805 LW |
1217 | } |
1218 | ||
a0d0e21e | 1219 | PP(pp_scmp) |
79072805 | 1220 | { |
4e35701f | 1221 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1222 | { |
1223 | dPOPTOPssrl; | |
bbce6d69 | 1224 | int cmp = ((op->op_private & OPpLOCALE) |
1225 | ? sv_cmp_locale(left, right) | |
1226 | : sv_cmp(left, right)); | |
1227 | SETi( cmp ); | |
a0d0e21e LW |
1228 | RETURN; |
1229 | } | |
1230 | } | |
79072805 | 1231 | |
55497cff | 1232 | PP(pp_bit_and) |
1233 | { | |
8ec5e241 | 1234 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1235 | { |
1236 | dPOPTOPssrl; | |
4633a7c4 | 1237 | if (SvNIOKp(left) || SvNIOKp(right)) { |
36477c24 | 1238 | if (op->op_private & HINT_INTEGER) { |
8ec5e241 | 1239 | IBW value = SvIV(left) & SvIV(right); |
96e4d5b1 | 1240 | SETi(BWi(value)); |
36477c24 | 1241 | } |
1242 | else { | |
8ec5e241 | 1243 | UBW value = SvUV(left) & SvUV(right); |
96e4d5b1 | 1244 | SETu(BWu(value)); |
36477c24 | 1245 | } |
a0d0e21e LW |
1246 | } |
1247 | else { | |
1248 | do_vop(op->op_type, TARG, left, right); | |
1249 | SETTARG; | |
1250 | } | |
1251 | RETURN; | |
1252 | } | |
1253 | } | |
79072805 | 1254 | |
a0d0e21e LW |
1255 | PP(pp_bit_xor) |
1256 | { | |
8ec5e241 | 1257 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
1258 | { |
1259 | dPOPTOPssrl; | |
4633a7c4 | 1260 | if (SvNIOKp(left) || SvNIOKp(right)) { |
36477c24 | 1261 | if (op->op_private & HINT_INTEGER) { |
8ec5e241 | 1262 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
96e4d5b1 | 1263 | SETi(BWi(value)); |
36477c24 | 1264 | } |
1265 | else { | |
8ec5e241 | 1266 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
96e4d5b1 | 1267 | SETu(BWu(value)); |
36477c24 | 1268 | } |
a0d0e21e LW |
1269 | } |
1270 | else { | |
1271 | do_vop(op->op_type, TARG, left, right); | |
1272 | SETTARG; | |
1273 | } | |
1274 | RETURN; | |
1275 | } | |
1276 | } | |
79072805 | 1277 | |
a0d0e21e LW |
1278 | PP(pp_bit_or) |
1279 | { | |
8ec5e241 | 1280 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
1281 | { |
1282 | dPOPTOPssrl; | |
4633a7c4 | 1283 | if (SvNIOKp(left) || SvNIOKp(right)) { |
36477c24 | 1284 | if (op->op_private & HINT_INTEGER) { |
8ec5e241 | 1285 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
96e4d5b1 | 1286 | SETi(BWi(value)); |
36477c24 | 1287 | } |
1288 | else { | |
8ec5e241 | 1289 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
96e4d5b1 | 1290 | SETu(BWu(value)); |
36477c24 | 1291 | } |
a0d0e21e LW |
1292 | } |
1293 | else { | |
1294 | do_vop(op->op_type, TARG, left, right); | |
1295 | SETTARG; | |
1296 | } | |
1297 | RETURN; | |
79072805 | 1298 | } |
a0d0e21e | 1299 | } |
79072805 | 1300 | |
a0d0e21e LW |
1301 | PP(pp_negate) |
1302 | { | |
4e35701f | 1303 | djSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
1304 | { |
1305 | dTOPss; | |
4633a7c4 LW |
1306 | if (SvGMAGICAL(sv)) |
1307 | mg_get(sv); | |
55497cff | 1308 | if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN) |
1309 | SETi(-SvIVX(sv)); | |
1310 | else if (SvNIOKp(sv)) | |
a0d0e21e | 1311 | SETn(-SvNV(sv)); |
4633a7c4 | 1312 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
1313 | STRLEN len; |
1314 | char *s = SvPV(sv, len); | |
bbce6d69 | 1315 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
1316 | sv_setpvn(TARG, "-", 1); |
1317 | sv_catsv(TARG, sv); | |
79072805 | 1318 | } |
a0d0e21e LW |
1319 | else if (*s == '+' || *s == '-') { |
1320 | sv_setsv(TARG, sv); | |
1321 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 LW |
1322 | } |
1323 | else | |
a0d0e21e LW |
1324 | sv_setnv(TARG, -SvNV(sv)); |
1325 | SETTARG; | |
79072805 | 1326 | } |
4633a7c4 LW |
1327 | else |
1328 | SETn(-SvNV(sv)); | |
79072805 | 1329 | } |
a0d0e21e | 1330 | RETURN; |
79072805 LW |
1331 | } |
1332 | ||
a0d0e21e | 1333 | PP(pp_not) |
79072805 | 1334 | { |
a0d0e21e | 1335 | #ifdef OVERLOAD |
4e35701f | 1336 | djSP; tryAMAGICunSET(not); |
a0d0e21e | 1337 | #endif /* OVERLOAD */ |
54310121 | 1338 | *stack_sp = boolSV(!SvTRUE(*stack_sp)); |
a0d0e21e | 1339 | return NORMAL; |
79072805 LW |
1340 | } |
1341 | ||
a0d0e21e | 1342 | PP(pp_complement) |
79072805 | 1343 | { |
8ec5e241 | 1344 | djSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
1345 | { |
1346 | dTOPss; | |
4633a7c4 | 1347 | if (SvNIOKp(sv)) { |
36477c24 | 1348 | if (op->op_private & HINT_INTEGER) { |
1349 | IBW value = ~SvIV(sv); | |
96e4d5b1 | 1350 | SETi(BWi(value)); |
36477c24 | 1351 | } |
1352 | else { | |
1353 | UBW value = ~SvUV(sv); | |
96e4d5b1 | 1354 | SETu(BWu(value)); |
36477c24 | 1355 | } |
a0d0e21e LW |
1356 | } |
1357 | else { | |
1358 | register char *tmps; | |
1359 | register long *tmpl; | |
55497cff | 1360 | register I32 anum; |
a0d0e21e LW |
1361 | STRLEN len; |
1362 | ||
1363 | SvSetSV(TARG, sv); | |
1364 | tmps = SvPV_force(TARG, len); | |
1365 | anum = len; | |
1366 | #ifdef LIBERAL | |
1367 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
1368 | *tmps = ~*tmps; | |
1369 | tmpl = (long*)tmps; | |
1370 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
1371 | *tmpl = ~*tmpl; | |
1372 | tmps = (char*)tmpl; | |
1373 | #endif | |
1374 | for ( ; anum > 0; anum--, tmps++) | |
1375 | *tmps = ~*tmps; | |
1376 | ||
1377 | SETs(TARG); | |
1378 | } | |
1379 | RETURN; | |
1380 | } | |
79072805 LW |
1381 | } |
1382 | ||
a0d0e21e LW |
1383 | /* integer versions of some of the above */ |
1384 | ||
a0d0e21e | 1385 | PP(pp_i_multiply) |
79072805 | 1386 | { |
8ec5e241 | 1387 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
1388 | { |
1389 | dPOPTOPiirl; | |
1390 | SETi( left * right ); | |
1391 | RETURN; | |
1392 | } | |
79072805 LW |
1393 | } |
1394 | ||
a0d0e21e | 1395 | PP(pp_i_divide) |
79072805 | 1396 | { |
8ec5e241 | 1397 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
1398 | { |
1399 | dPOPiv; | |
1400 | if (value == 0) | |
1401 | DIE("Illegal division by zero"); | |
1402 | value = POPi / value; | |
1403 | PUSHi( value ); | |
1404 | RETURN; | |
1405 | } | |
79072805 LW |
1406 | } |
1407 | ||
a0d0e21e | 1408 | PP(pp_i_modulo) |
79072805 | 1409 | { |
76e3520e | 1410 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 1411 | { |
a0d0e21e | 1412 | dPOPTOPiirl; |
aa306039 CS |
1413 | if (!right) |
1414 | DIE("Illegal modulus zero"); | |
a0d0e21e LW |
1415 | SETi( left % right ); |
1416 | RETURN; | |
79072805 | 1417 | } |
79072805 LW |
1418 | } |
1419 | ||
a0d0e21e | 1420 | PP(pp_i_add) |
79072805 | 1421 | { |
8ec5e241 | 1422 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e LW |
1423 | { |
1424 | dPOPTOPiirl; | |
1425 | SETi( left + right ); | |
1426 | RETURN; | |
79072805 | 1427 | } |
79072805 LW |
1428 | } |
1429 | ||
a0d0e21e | 1430 | PP(pp_i_subtract) |
79072805 | 1431 | { |
8ec5e241 | 1432 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e LW |
1433 | { |
1434 | dPOPTOPiirl; | |
1435 | SETi( left - right ); | |
1436 | RETURN; | |
79072805 | 1437 | } |
79072805 LW |
1438 | } |
1439 | ||
a0d0e21e | 1440 | PP(pp_i_lt) |
79072805 | 1441 | { |
8ec5e241 | 1442 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1443 | { |
1444 | dPOPTOPiirl; | |
54310121 | 1445 | SETs(boolSV(left < right)); |
a0d0e21e LW |
1446 | RETURN; |
1447 | } | |
79072805 LW |
1448 | } |
1449 | ||
a0d0e21e | 1450 | PP(pp_i_gt) |
79072805 | 1451 | { |
8ec5e241 | 1452 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1453 | { |
1454 | dPOPTOPiirl; | |
54310121 | 1455 | SETs(boolSV(left > right)); |
a0d0e21e LW |
1456 | RETURN; |
1457 | } | |
79072805 LW |
1458 | } |
1459 | ||
a0d0e21e | 1460 | PP(pp_i_le) |
79072805 | 1461 | { |
8ec5e241 | 1462 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1463 | { |
1464 | dPOPTOPiirl; | |
54310121 | 1465 | SETs(boolSV(left <= right)); |
a0d0e21e | 1466 | RETURN; |
85e6fe83 | 1467 | } |
79072805 LW |
1468 | } |
1469 | ||
a0d0e21e | 1470 | PP(pp_i_ge) |
79072805 | 1471 | { |
8ec5e241 | 1472 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1473 | { |
1474 | dPOPTOPiirl; | |
54310121 | 1475 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
1476 | RETURN; |
1477 | } | |
79072805 LW |
1478 | } |
1479 | ||
a0d0e21e | 1480 | PP(pp_i_eq) |
79072805 | 1481 | { |
8ec5e241 | 1482 | djSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
1483 | { |
1484 | dPOPTOPiirl; | |
54310121 | 1485 | SETs(boolSV(left == right)); |
a0d0e21e LW |
1486 | RETURN; |
1487 | } | |
79072805 LW |
1488 | } |
1489 | ||
a0d0e21e | 1490 | PP(pp_i_ne) |
79072805 | 1491 | { |
8ec5e241 | 1492 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1493 | { |
1494 | dPOPTOPiirl; | |
54310121 | 1495 | SETs(boolSV(left != right)); |
a0d0e21e LW |
1496 | RETURN; |
1497 | } | |
79072805 LW |
1498 | } |
1499 | ||
a0d0e21e | 1500 | PP(pp_i_ncmp) |
79072805 | 1501 | { |
8ec5e241 | 1502 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1503 | { |
1504 | dPOPTOPiirl; | |
1505 | I32 value; | |
79072805 | 1506 | |
a0d0e21e | 1507 | if (left > right) |
79072805 | 1508 | value = 1; |
a0d0e21e | 1509 | else if (left < right) |
79072805 | 1510 | value = -1; |
a0d0e21e | 1511 | else |
79072805 | 1512 | value = 0; |
a0d0e21e LW |
1513 | SETi(value); |
1514 | RETURN; | |
79072805 | 1515 | } |
85e6fe83 LW |
1516 | } |
1517 | ||
1518 | PP(pp_i_negate) | |
1519 | { | |
4e35701f | 1520 | djSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
1521 | SETi(-TOPi); |
1522 | RETURN; | |
1523 | } | |
1524 | ||
79072805 LW |
1525 | /* High falutin' math. */ |
1526 | ||
1527 | PP(pp_atan2) | |
1528 | { | |
8ec5e241 | 1529 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
1530 | { |
1531 | dPOPTOPnnrl; | |
1532 | SETn(atan2(left, right)); | |
1533 | RETURN; | |
1534 | } | |
79072805 LW |
1535 | } |
1536 | ||
1537 | PP(pp_sin) | |
1538 | { | |
4e35701f | 1539 | djSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e LW |
1540 | { |
1541 | double value; | |
1542 | value = POPn; | |
1543 | value = sin(value); | |
1544 | XPUSHn(value); | |
1545 | RETURN; | |
1546 | } | |
79072805 LW |
1547 | } |
1548 | ||
1549 | PP(pp_cos) | |
1550 | { | |
4e35701f | 1551 | djSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e LW |
1552 | { |
1553 | double value; | |
1554 | value = POPn; | |
1555 | value = cos(value); | |
1556 | XPUSHn(value); | |
1557 | RETURN; | |
1558 | } | |
79072805 LW |
1559 | } |
1560 | ||
1561 | PP(pp_rand) | |
1562 | { | |
4e35701f | 1563 | djSP; dTARGET; |
79072805 LW |
1564 | double value; |
1565 | if (MAXARG < 1) | |
1566 | value = 1.0; | |
1567 | else | |
1568 | value = POPn; | |
1569 | if (value == 0.0) | |
1570 | value = 1.0; | |
93dc8474 CS |
1571 | if (!srand_called) { |
1572 | (void)srand((unsigned)seed()); | |
1573 | srand_called = TRUE; | |
1574 | } | |
79072805 LW |
1575 | #if RANDBITS == 31 |
1576 | value = rand() * value / 2147483648.0; | |
1577 | #else | |
1578 | #if RANDBITS == 16 | |
1579 | value = rand() * value / 65536.0; | |
1580 | #else | |
1581 | #if RANDBITS == 15 | |
1582 | value = rand() * value / 32768.0; | |
1583 | #else | |
1584 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); | |
1585 | #endif | |
1586 | #endif | |
1587 | #endif | |
1588 | XPUSHn(value); | |
1589 | RETURN; | |
1590 | } | |
1591 | ||
1592 | PP(pp_srand) | |
1593 | { | |
4e35701f | 1594 | djSP; |
93dc8474 CS |
1595 | UV anum; |
1596 | if (MAXARG < 1) | |
1597 | anum = seed(); | |
79072805 | 1598 | else |
93dc8474 CS |
1599 | anum = POPu; |
1600 | (void)srand((unsigned)anum); | |
1601 | srand_called = TRUE; | |
79072805 LW |
1602 | EXTEND(SP, 1); |
1603 | RETPUSHYES; | |
1604 | } | |
1605 | ||
76e3520e | 1606 | STATIC U32 |
8ac85365 | 1607 | seed(void) |
93dc8474 | 1608 | { |
54310121 | 1609 | /* |
1610 | * This is really just a quick hack which grabs various garbage | |
1611 | * values. It really should be a real hash algorithm which | |
1612 | * spreads the effect of every input bit onto every output bit, | |
1613 | * if someone who knows about such tings would bother to write it. | |
1614 | * Might be a good idea to add that function to CORE as well. | |
1615 | * No numbers below come from careful analysis or anyting here, | |
1616 | * except they are primes and SEED_C1 > 1E6 to get a full-width | |
1617 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
1618 | * probably be bigger too. | |
1619 | */ | |
1620 | #if RANDBITS > 16 | |
1621 | # define SEED_C1 1000003 | |
1622 | #define SEED_C4 73819 | |
1623 | #else | |
1624 | # define SEED_C1 25747 | |
1625 | #define SEED_C4 20639 | |
1626 | #endif | |
1627 | #define SEED_C2 3 | |
1628 | #define SEED_C3 269 | |
1629 | #define SEED_C5 26107 | |
1630 | ||
e858de61 | 1631 | dTHR; |
93dc8474 | 1632 | U32 u; |
f12c7020 | 1633 | #ifdef VMS |
1634 | # include <starlet.h> | |
43c92808 HF |
1635 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
1636 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 CS |
1637 | unsigned int when[2]; |
1638 | _ckvmssts(sys$gettim(when)); | |
54310121 | 1639 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 1640 | #else |
5f05dabc | 1641 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 CS |
1642 | struct timeval when; |
1643 | gettimeofday(&when,(struct timezone *) 0); | |
54310121 | 1644 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 1645 | # else |
93dc8474 CS |
1646 | Time_t when; |
1647 | (void)time(&when); | |
54310121 | 1648 | u = (U32)SEED_C1 * when; |
f12c7020 | 1649 | # endif |
1650 | #endif | |
54310121 | 1651 | u += SEED_C3 * (U32)getpid(); |
1652 | u += SEED_C4 * (U32)(UV)stack_sp; | |
1653 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ | |
1654 | u += SEED_C5 * (U32)(UV)&when; | |
f12c7020 | 1655 | #endif |
93dc8474 | 1656 | return u; |
79072805 LW |
1657 | } |
1658 | ||
1659 | PP(pp_exp) | |
1660 | { | |
4e35701f | 1661 | djSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e LW |
1662 | { |
1663 | double value; | |
1664 | value = POPn; | |
1665 | value = exp(value); | |
1666 | XPUSHn(value); | |
1667 | RETURN; | |
1668 | } | |
79072805 LW |
1669 | } |
1670 | ||
1671 | PP(pp_log) | |
1672 | { | |
4e35701f | 1673 | djSP; dTARGET; tryAMAGICun(log); |
a0d0e21e LW |
1674 | { |
1675 | double value; | |
1676 | value = POPn; | |
bbce6d69 | 1677 | if (value <= 0.0) { |
36477c24 | 1678 | SET_NUMERIC_STANDARD(); |
2304df62 | 1679 | DIE("Can't take log of %g", value); |
bbce6d69 | 1680 | } |
a0d0e21e LW |
1681 | value = log(value); |
1682 | XPUSHn(value); | |
1683 | RETURN; | |
1684 | } | |
79072805 LW |
1685 | } |
1686 | ||
1687 | PP(pp_sqrt) | |
1688 | { | |
4e35701f | 1689 | djSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e LW |
1690 | { |
1691 | double value; | |
1692 | value = POPn; | |
bbce6d69 | 1693 | if (value < 0.0) { |
36477c24 | 1694 | SET_NUMERIC_STANDARD(); |
2304df62 | 1695 | DIE("Can't take sqrt of %g", value); |
bbce6d69 | 1696 | } |
a0d0e21e LW |
1697 | value = sqrt(value); |
1698 | XPUSHn(value); | |
1699 | RETURN; | |
1700 | } | |
79072805 LW |
1701 | } |
1702 | ||
1703 | PP(pp_int) | |
1704 | { | |
4e35701f | 1705 | djSP; dTARGET; |
774d564b | 1706 | { |
1707 | double value = TOPn; | |
1708 | IV iv; | |
1709 | ||
1710 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) { | |
1711 | iv = SvIVX(TOPs); | |
1712 | SETi(iv); | |
1713 | } | |
1714 | else { | |
1715 | if (value >= 0.0) | |
1716 | (void)modf(value, &value); | |
1717 | else { | |
1718 | (void)modf(-value, &value); | |
1719 | value = -value; | |
1720 | } | |
1721 | iv = I_V(value); | |
1722 | if (iv == value) | |
1723 | SETi(iv); | |
1724 | else | |
1725 | SETn(value); | |
1726 | } | |
79072805 | 1727 | } |
79072805 LW |
1728 | RETURN; |
1729 | } | |
1730 | ||
463ee0b2 LW |
1731 | PP(pp_abs) |
1732 | { | |
4e35701f | 1733 | djSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 1734 | { |
774d564b | 1735 | double value = TOPn; |
1736 | IV iv; | |
463ee0b2 | 1737 | |
774d564b | 1738 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) && |
1739 | (iv = SvIVX(TOPs)) != IV_MIN) { | |
1740 | if (iv < 0) | |
1741 | iv = -iv; | |
1742 | SETi(iv); | |
1743 | } | |
1744 | else { | |
1745 | if (value < 0.0) | |
1746 | value = -value; | |
1747 | SETn(value); | |
1748 | } | |
a0d0e21e | 1749 | } |
774d564b | 1750 | RETURN; |
463ee0b2 LW |
1751 | } |
1752 | ||
79072805 LW |
1753 | PP(pp_hex) |
1754 | { | |
4e35701f | 1755 | djSP; dTARGET; |
79072805 LW |
1756 | char *tmps; |
1757 | I32 argtype; | |
1758 | ||
a0d0e21e | 1759 | tmps = POPp; |
55497cff | 1760 | XPUSHu(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
1761 | RETURN; |
1762 | } | |
1763 | ||
1764 | PP(pp_oct) | |
1765 | { | |
4e35701f | 1766 | djSP; dTARGET; |
55497cff | 1767 | UV value; |
79072805 LW |
1768 | I32 argtype; |
1769 | char *tmps; | |
1770 | ||
a0d0e21e | 1771 | tmps = POPp; |
464e2e8a | 1772 | while (*tmps && isSPACE(*tmps)) |
1773 | tmps++; | |
1774 | if (*tmps == '0') | |
79072805 LW |
1775 | tmps++; |
1776 | if (*tmps == 'x') | |
464e2e8a | 1777 | value = scan_hex(++tmps, 99, &argtype); |
1778 | else | |
1779 | value = scan_oct(tmps, 99, &argtype); | |
55497cff | 1780 | XPUSHu(value); |
79072805 LW |
1781 | RETURN; |
1782 | } | |
1783 | ||
1784 | /* String stuff. */ | |
1785 | ||
1786 | PP(pp_length) | |
1787 | { | |
4e35701f | 1788 | djSP; dTARGET; |
a0d0e21e | 1789 | SETi( sv_len(TOPs) ); |
79072805 LW |
1790 | RETURN; |
1791 | } | |
1792 | ||
1793 | PP(pp_substr) | |
1794 | { | |
4e35701f | 1795 | djSP; dTARGET; |
79072805 LW |
1796 | SV *sv; |
1797 | I32 len; | |
7b8d334a | 1798 | I32 len_ok = 0; |
463ee0b2 | 1799 | STRLEN curlen; |
79072805 LW |
1800 | I32 pos; |
1801 | I32 rem; | |
84902520 | 1802 | I32 fail; |
a0d0e21e | 1803 | I32 lvalue = op->op_flags & OPf_MOD; |
79072805 | 1804 | char *tmps; |
a0d0e21e | 1805 | I32 arybase = curcop->cop_arybase; |
7b8d334a GS |
1806 | char *repl = 0; |
1807 | STRLEN repl_len; | |
79072805 | 1808 | |
20408e3c | 1809 | SvTAINTED_off(TARG); /* decontaminate */ |
7b8d334a GS |
1810 | if (MAXARG > 3) { |
1811 | /* pop off replacement string */ | |
1812 | sv = POPs; | |
1813 | repl = SvPV(sv, repl_len); | |
1814 | /* pop off length */ | |
1815 | sv = POPs; | |
1816 | if (SvOK(sv)) { | |
1817 | len = SvIV(sv); | |
1818 | len_ok++; | |
1819 | } | |
1820 | } else if (MAXARG == 3) { | |
79072805 | 1821 | len = POPi; |
7b8d334a GS |
1822 | len_ok++; |
1823 | } | |
1824 | ||
84902520 | 1825 | pos = POPi; |
79072805 | 1826 | sv = POPs; |
849ca7ee | 1827 | PUTBACK; |
a0d0e21e | 1828 | tmps = SvPV(sv, curlen); |
84902520 TB |
1829 | if (pos >= arybase) { |
1830 | pos -= arybase; | |
1831 | rem = curlen-pos; | |
1832 | fail = rem; | |
7b8d334a | 1833 | if (len_ok) { |
84902520 TB |
1834 | if (len < 0) { |
1835 | rem += len; | |
1836 | if (rem < 0) | |
1837 | rem = 0; | |
1838 | } | |
1839 | else if (rem > len) | |
1840 | rem = len; | |
1841 | } | |
68dc0745 | 1842 | } |
84902520 TB |
1843 | else { |
1844 | pos += curlen; | |
7b8d334a | 1845 | if (!len_ok) |
84902520 TB |
1846 | rem = curlen; |
1847 | else if (len >= 0) { | |
1848 | rem = pos+len; | |
1849 | if (rem > (I32)curlen) | |
1850 | rem = curlen; | |
1851 | } | |
1852 | else { | |
1853 | rem = curlen+len; | |
1854 | if (rem < pos) | |
1855 | rem = pos; | |
1856 | } | |
1857 | if (pos < 0) | |
1858 | pos = 0; | |
1859 | fail = rem; | |
1860 | rem -= pos; | |
1861 | } | |
1862 | if (fail < 0) { | |
7b8d334a | 1863 | if (dowarn || lvalue || repl) |
2304df62 AD |
1864 | warn("substr outside of string"); |
1865 | RETPUSHUNDEF; | |
1866 | } | |
79072805 | 1867 | else { |
79072805 | 1868 | tmps += pos; |
79072805 LW |
1869 | sv_setpvn(TARG, tmps, rem); |
1870 | if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 1871 | if (!SvGMAGICAL(sv)) { |
1872 | if (SvROK(sv)) { | |
1873 | SvPV_force(sv,na); | |
1874 | if (dowarn) | |
1875 | warn("Attempt to use reference as lvalue in substr"); | |
1876 | } | |
1877 | if (SvOK(sv)) /* is it defined ? */ | |
1878 | (void)SvPOK_only(sv); | |
1879 | else | |
1880 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
1881 | } | |
5f05dabc | 1882 | |
a0d0e21e LW |
1883 | if (SvTYPE(TARG) < SVt_PVLV) { |
1884 | sv_upgrade(TARG, SVt_PVLV); | |
1885 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 1886 | } |
a0d0e21e | 1887 | |
5f05dabc | 1888 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
1889 | if (LvTARG(TARG) != sv) { |
1890 | if (LvTARG(TARG)) | |
1891 | SvREFCNT_dec(LvTARG(TARG)); | |
1892 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
1893 | } | |
a0d0e21e | 1894 | LvTARGOFF(TARG) = pos; |
8ec5e241 | 1895 | LvTARGLEN(TARG) = rem; |
79072805 | 1896 | } |
7b8d334a GS |
1897 | else if (repl) |
1898 | sv_insert(sv, pos, rem, repl, repl_len); | |
79072805 | 1899 | } |
849ca7ee | 1900 | SPAGAIN; |
79072805 LW |
1901 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
1902 | RETURN; | |
1903 | } | |
1904 | ||
1905 | PP(pp_vec) | |
1906 | { | |
4e35701f | 1907 | djSP; dTARGET; |
79072805 LW |
1908 | register I32 size = POPi; |
1909 | register I32 offset = POPi; | |
1910 | register SV *src = POPs; | |
a0d0e21e | 1911 | I32 lvalue = op->op_flags & OPf_MOD; |
463ee0b2 LW |
1912 | STRLEN srclen; |
1913 | unsigned char *s = (unsigned char*)SvPV(src, srclen); | |
79072805 LW |
1914 | unsigned long retnum; |
1915 | I32 len; | |
1916 | ||
20408e3c | 1917 | SvTAINTED_off(TARG); /* decontaminate */ |
79072805 LW |
1918 | offset *= size; /* turn into bit offset */ |
1919 | len = (offset + size + 7) / 8; | |
1920 | if (offset < 0 || size < 1) | |
1921 | retnum = 0; | |
79072805 | 1922 | else { |
a0d0e21e LW |
1923 | if (lvalue) { /* it's an lvalue! */ |
1924 | if (SvTYPE(TARG) < SVt_PVLV) { | |
1925 | sv_upgrade(TARG, SVt_PVLV); | |
1926 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
1927 | } | |
1928 | ||
1929 | LvTYPE(TARG) = 'v'; | |
6ff81951 GS |
1930 | if (LvTARG(TARG) != src) { |
1931 | if (LvTARG(TARG)) | |
1932 | SvREFCNT_dec(LvTARG(TARG)); | |
1933 | LvTARG(TARG) = SvREFCNT_inc(src); | |
1934 | } | |
8ec5e241 NIS |
1935 | LvTARGOFF(TARG) = offset; |
1936 | LvTARGLEN(TARG) = size; | |
a0d0e21e | 1937 | } |
93a17b20 | 1938 | if (len > srclen) { |
a0d0e21e LW |
1939 | if (size <= 8) |
1940 | retnum = 0; | |
1941 | else { | |
1942 | offset >>= 3; | |
748a9306 LW |
1943 | if (size == 16) { |
1944 | if (offset >= srclen) | |
1945 | retnum = 0; | |
a0d0e21e | 1946 | else |
748a9306 LW |
1947 | retnum = (unsigned long) s[offset] << 8; |
1948 | } | |
1949 | else if (size == 32) { | |
1950 | if (offset >= srclen) | |
1951 | retnum = 0; | |
1952 | else if (offset + 1 >= srclen) | |
a0d0e21e | 1953 | retnum = (unsigned long) s[offset] << 24; |
748a9306 LW |
1954 | else if (offset + 2 >= srclen) |
1955 | retnum = ((unsigned long) s[offset] << 24) + | |
1956 | ((unsigned long) s[offset + 1] << 16); | |
1957 | else | |
1958 | retnum = ((unsigned long) s[offset] << 24) + | |
1959 | ((unsigned long) s[offset + 1] << 16) + | |
1960 | (s[offset + 2] << 8); | |
a0d0e21e LW |
1961 | } |
1962 | } | |
79072805 | 1963 | } |
a0d0e21e | 1964 | else if (size < 8) |
79072805 LW |
1965 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
1966 | else { | |
1967 | offset >>= 3; | |
1968 | if (size == 8) | |
1969 | retnum = s[offset]; | |
1970 | else if (size == 16) | |
1971 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; | |
1972 | else if (size == 32) | |
1973 | retnum = ((unsigned long) s[offset] << 24) + | |
1974 | ((unsigned long) s[offset + 1] << 16) + | |
1975 | (s[offset + 2] << 8) + s[offset+3]; | |
1976 | } | |
79072805 LW |
1977 | } |
1978 | ||
deb3007b | 1979 | sv_setuv(TARG, (UV)retnum); |
79072805 LW |
1980 | PUSHs(TARG); |
1981 | RETURN; | |
1982 | } | |
1983 | ||
1984 | PP(pp_index) | |
1985 | { | |
4e35701f | 1986 | djSP; dTARGET; |
79072805 LW |
1987 | SV *big; |
1988 | SV *little; | |
1989 | I32 offset; | |
1990 | I32 retval; | |
1991 | char *tmps; | |
1992 | char *tmps2; | |
463ee0b2 | 1993 | STRLEN biglen; |
a0d0e21e | 1994 | I32 arybase = curcop->cop_arybase; |
79072805 LW |
1995 | |
1996 | if (MAXARG < 3) | |
1997 | offset = 0; | |
1998 | else | |
1999 | offset = POPi - arybase; | |
2000 | little = POPs; | |
2001 | big = POPs; | |
463ee0b2 | 2002 | tmps = SvPV(big, biglen); |
79072805 LW |
2003 | if (offset < 0) |
2004 | offset = 0; | |
93a17b20 LW |
2005 | else if (offset > biglen) |
2006 | offset = biglen; | |
79072805 | 2007 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
93a17b20 | 2008 | (unsigned char*)tmps + biglen, little))) |
79072805 LW |
2009 | retval = -1 + arybase; |
2010 | else | |
2011 | retval = tmps2 - tmps + arybase; | |
2012 | PUSHi(retval); | |
2013 | RETURN; | |
2014 | } | |
2015 | ||
2016 | PP(pp_rindex) | |
2017 | { | |
4e35701f | 2018 | djSP; dTARGET; |
79072805 LW |
2019 | SV *big; |
2020 | SV *little; | |
463ee0b2 LW |
2021 | STRLEN blen; |
2022 | STRLEN llen; | |
79072805 LW |
2023 | SV *offstr; |
2024 | I32 offset; | |
2025 | I32 retval; | |
2026 | char *tmps; | |
2027 | char *tmps2; | |
a0d0e21e | 2028 | I32 arybase = curcop->cop_arybase; |
79072805 | 2029 | |
a0d0e21e | 2030 | if (MAXARG >= 3) |
79072805 LW |
2031 | offstr = POPs; |
2032 | little = POPs; | |
2033 | big = POPs; | |
463ee0b2 LW |
2034 | tmps2 = SvPV(little, llen); |
2035 | tmps = SvPV(big, blen); | |
79072805 | 2036 | if (MAXARG < 3) |
463ee0b2 | 2037 | offset = blen; |
79072805 | 2038 | else |
463ee0b2 | 2039 | offset = SvIV(offstr) - arybase + llen; |
79072805 LW |
2040 | if (offset < 0) |
2041 | offset = 0; | |
463ee0b2 LW |
2042 | else if (offset > blen) |
2043 | offset = blen; | |
79072805 | 2044 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2045 | tmps2, tmps2 + llen))) |
79072805 LW |
2046 | retval = -1 + arybase; |
2047 | else | |
2048 | retval = tmps2 - tmps + arybase; | |
2049 | PUSHi(retval); | |
2050 | RETURN; | |
2051 | } | |
2052 | ||
2053 | PP(pp_sprintf) | |
2054 | { | |
4e35701f | 2055 | djSP; dMARK; dORIGMARK; dTARGET; |
36477c24 | 2056 | #ifdef USE_LOCALE_NUMERIC |
bbce6d69 | 2057 | if (op->op_private & OPpLOCALE) |
36477c24 | 2058 | SET_NUMERIC_LOCAL(); |
bbce6d69 | 2059 | else |
36477c24 | 2060 | SET_NUMERIC_STANDARD(); |
2061 | #endif | |
79072805 | 2062 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2063 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2064 | SP = ORIGMARK; |
2065 | PUSHTARG; | |
2066 | RETURN; | |
2067 | } | |
2068 | ||
79072805 LW |
2069 | PP(pp_ord) |
2070 | { | |
4e35701f | 2071 | djSP; dTARGET; |
79072805 LW |
2072 | I32 value; |
2073 | char *tmps; | |
79072805 | 2074 | |
79072805 | 2075 | #ifndef I286 |
a0d0e21e | 2076 | tmps = POPp; |
79072805 LW |
2077 | value = (I32) (*tmps & 255); |
2078 | #else | |
a0d0e21e LW |
2079 | I32 anum; |
2080 | tmps = POPp; | |
79072805 LW |
2081 | anum = (I32) *tmps; |
2082 | value = (I32) (anum & 255); | |
2083 | #endif | |
2084 | XPUSHi(value); | |
2085 | RETURN; | |
2086 | } | |
2087 | ||
463ee0b2 LW |
2088 | PP(pp_chr) |
2089 | { | |
4e35701f | 2090 | djSP; dTARGET; |
463ee0b2 LW |
2091 | char *tmps; |
2092 | ||
748a9306 LW |
2093 | (void)SvUPGRADE(TARG,SVt_PV); |
2094 | SvGROW(TARG,2); | |
463ee0b2 LW |
2095 | SvCUR_set(TARG, 1); |
2096 | tmps = SvPVX(TARG); | |
748a9306 LW |
2097 | *tmps++ = POPi; |
2098 | *tmps = '\0'; | |
a0d0e21e | 2099 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
2100 | XPUSHs(TARG); |
2101 | RETURN; | |
2102 | } | |
2103 | ||
79072805 LW |
2104 | PP(pp_crypt) |
2105 | { | |
4e35701f | 2106 | djSP; dTARGET; dPOPTOPssrl; |
79072805 | 2107 | #ifdef HAS_CRYPT |
a0d0e21e | 2108 | char *tmps = SvPV(left, na); |
79072805 | 2109 | #ifdef FCRYPT |
a0d0e21e | 2110 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, na))); |
79072805 | 2111 | #else |
a0d0e21e | 2112 | sv_setpv(TARG, crypt(tmps, SvPV(right, na))); |
79072805 LW |
2113 | #endif |
2114 | #else | |
2115 | DIE( | |
2116 | "The crypt() function is unimplemented due to excessive paranoia."); | |
2117 | #endif | |
2118 | SETs(TARG); | |
2119 | RETURN; | |
2120 | } | |
2121 | ||
2122 | PP(pp_ucfirst) | |
2123 | { | |
4e35701f | 2124 | djSP; |
79072805 LW |
2125 | SV *sv = TOPs; |
2126 | register char *s; | |
2127 | ||
ed6116ce | 2128 | if (!SvPADTMP(sv)) { |
79072805 LW |
2129 | dTARGET; |
2130 | sv_setsv(TARG, sv); | |
2131 | sv = TARG; | |
2132 | SETs(sv); | |
2133 | } | |
a0d0e21e | 2134 | s = SvPV_force(sv, na); |
bbce6d69 | 2135 | if (*s) { |
2136 | if (op->op_private & OPpLOCALE) { | |
2137 | TAINT; | |
2138 | SvTAINTED_on(sv); | |
2139 | *s = toUPPER_LC(*s); | |
2140 | } | |
2141 | else | |
2142 | *s = toUPPER(*s); | |
2143 | } | |
79072805 LW |
2144 | |
2145 | RETURN; | |
2146 | } | |
2147 | ||
2148 | PP(pp_lcfirst) | |
2149 | { | |
4e35701f | 2150 | djSP; |
79072805 LW |
2151 | SV *sv = TOPs; |
2152 | register char *s; | |
2153 | ||
ed6116ce | 2154 | if (!SvPADTMP(sv)) { |
79072805 LW |
2155 | dTARGET; |
2156 | sv_setsv(TARG, sv); | |
2157 | sv = TARG; | |
2158 | SETs(sv); | |
2159 | } | |
a0d0e21e | 2160 | s = SvPV_force(sv, na); |
bbce6d69 | 2161 | if (*s) { |
2162 | if (op->op_private & OPpLOCALE) { | |
2163 | TAINT; | |
2164 | SvTAINTED_on(sv); | |
2165 | *s = toLOWER_LC(*s); | |
2166 | } | |
2167 | else | |
2168 | *s = toLOWER(*s); | |
2169 | } | |
79072805 LW |
2170 | |
2171 | SETs(sv); | |
2172 | RETURN; | |
2173 | } | |
2174 | ||
2175 | PP(pp_uc) | |
2176 | { | |
4e35701f | 2177 | djSP; |
79072805 LW |
2178 | SV *sv = TOPs; |
2179 | register char *s; | |
463ee0b2 | 2180 | STRLEN len; |
79072805 | 2181 | |
ed6116ce | 2182 | if (!SvPADTMP(sv)) { |
79072805 LW |
2183 | dTARGET; |
2184 | sv_setsv(TARG, sv); | |
2185 | sv = TARG; | |
2186 | SETs(sv); | |
2187 | } | |
bbce6d69 | 2188 | |
a0d0e21e | 2189 | s = SvPV_force(sv, len); |
bbce6d69 | 2190 | if (len) { |
2191 | register char *send = s + len; | |
2192 | ||
2193 | if (op->op_private & OPpLOCALE) { | |
2194 | TAINT; | |
2195 | SvTAINTED_on(sv); | |
2196 | for (; s < send; s++) | |
2197 | *s = toUPPER_LC(*s); | |
2198 | } | |
2199 | else { | |
2200 | for (; s < send; s++) | |
2201 | *s = toUPPER(*s); | |
2202 | } | |
79072805 LW |
2203 | } |
2204 | RETURN; | |
2205 | } | |
2206 | ||
2207 | PP(pp_lc) | |
2208 | { | |
4e35701f | 2209 | djSP; |
79072805 LW |
2210 | SV *sv = TOPs; |
2211 | register char *s; | |
463ee0b2 | 2212 | STRLEN len; |
79072805 | 2213 | |
ed6116ce | 2214 | if (!SvPADTMP(sv)) { |
79072805 LW |
2215 | dTARGET; |
2216 | sv_setsv(TARG, sv); | |
2217 | sv = TARG; | |
2218 | SETs(sv); | |
2219 | } | |
bbce6d69 | 2220 | |
a0d0e21e | 2221 | s = SvPV_force(sv, len); |
bbce6d69 | 2222 | if (len) { |
2223 | register char *send = s + len; | |
2224 | ||
2225 | if (op->op_private & OPpLOCALE) { | |
2226 | TAINT; | |
2227 | SvTAINTED_on(sv); | |
2228 | for (; s < send; s++) | |
2229 | *s = toLOWER_LC(*s); | |
2230 | } | |
2231 | else { | |
2232 | for (; s < send; s++) | |
2233 | *s = toLOWER(*s); | |
2234 | } | |
79072805 LW |
2235 | } |
2236 | RETURN; | |
2237 | } | |
2238 | ||
a0d0e21e | 2239 | PP(pp_quotemeta) |
79072805 | 2240 | { |
4e35701f | 2241 | djSP; dTARGET; |
a0d0e21e LW |
2242 | SV *sv = TOPs; |
2243 | STRLEN len; | |
2244 | register char *s = SvPV(sv,len); | |
2245 | register char *d; | |
79072805 | 2246 | |
a0d0e21e LW |
2247 | if (len) { |
2248 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 2249 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e LW |
2250 | d = SvPVX(TARG); |
2251 | while (len--) { | |
2252 | if (!isALNUM(*s)) | |
2253 | *d++ = '\\'; | |
2254 | *d++ = *s++; | |
79072805 | 2255 | } |
a0d0e21e LW |
2256 | *d = '\0'; |
2257 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
2258 | (void)SvPOK_only(TARG); | |
79072805 | 2259 | } |
a0d0e21e LW |
2260 | else |
2261 | sv_setpvn(TARG, s, len); | |
2262 | SETs(TARG); | |
79072805 LW |
2263 | RETURN; |
2264 | } | |
2265 | ||
a0d0e21e | 2266 | /* Arrays. */ |
79072805 | 2267 | |
a0d0e21e | 2268 | PP(pp_aslice) |
79072805 | 2269 | { |
4e35701f | 2270 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2271 | register SV** svp; |
2272 | register AV* av = (AV*)POPs; | |
2273 | register I32 lval = op->op_flags & OPf_MOD; | |
748a9306 LW |
2274 | I32 arybase = curcop->cop_arybase; |
2275 | I32 elem; | |
79072805 | 2276 | |
a0d0e21e | 2277 | if (SvTYPE(av) == SVt_PVAV) { |
748a9306 LW |
2278 | if (lval && op->op_private & OPpLVAL_INTRO) { |
2279 | I32 max = -1; | |
924508f0 | 2280 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
2281 | elem = SvIVx(*svp); |
2282 | if (elem > max) | |
2283 | max = elem; | |
2284 | } | |
2285 | if (max > AvMAX(av)) | |
2286 | av_extend(av, max); | |
2287 | } | |
a0d0e21e | 2288 | while (++MARK <= SP) { |
748a9306 | 2289 | elem = SvIVx(*MARK); |
a0d0e21e | 2290 | |
748a9306 LW |
2291 | if (elem > 0) |
2292 | elem -= arybase; | |
a0d0e21e LW |
2293 | svp = av_fetch(av, elem, lval); |
2294 | if (lval) { | |
2295 | if (!svp || *svp == &sv_undef) | |
2296 | DIE(no_aelem, elem); | |
2297 | if (op->op_private & OPpLVAL_INTRO) | |
161b7d16 | 2298 | save_aelem(av, elem, svp); |
79072805 | 2299 | } |
a0d0e21e | 2300 | *MARK = svp ? *svp : &sv_undef; |
79072805 LW |
2301 | } |
2302 | } | |
748a9306 | 2303 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
2304 | MARK = ORIGMARK; |
2305 | *++MARK = *SP; | |
2306 | SP = MARK; | |
2307 | } | |
79072805 LW |
2308 | RETURN; |
2309 | } | |
2310 | ||
2311 | /* Associative arrays. */ | |
2312 | ||
2313 | PP(pp_each) | |
2314 | { | |
4e35701f | 2315 | djSP; dTARGET; |
79072805 | 2316 | HV *hash = (HV*)POPs; |
c07a80fd | 2317 | HE *entry; |
54310121 | 2318 | I32 gimme = GIMME_V; |
c750a3ec | 2319 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 2320 | |
c07a80fd | 2321 | PUTBACK; |
c750a3ec MB |
2322 | /* might clobber stack_sp */ |
2323 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 2324 | SPAGAIN; |
79072805 | 2325 | |
79072805 LW |
2326 | EXTEND(SP, 2); |
2327 | if (entry) { | |
54310121 | 2328 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
2329 | if (gimme == G_ARRAY) { | |
c07a80fd | 2330 | PUTBACK; |
c750a3ec MB |
2331 | /* might clobber stack_sp */ |
2332 | sv_setsv(TARG, realhv ? | |
2333 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry)); | |
c07a80fd | 2334 | SPAGAIN; |
8990e307 | 2335 | PUSHs(TARG); |
79072805 | 2336 | } |
79072805 | 2337 | } |
54310121 | 2338 | else if (gimme == G_SCALAR) |
79072805 LW |
2339 | RETPUSHUNDEF; |
2340 | ||
2341 | RETURN; | |
2342 | } | |
2343 | ||
2344 | PP(pp_values) | |
2345 | { | |
2346 | return do_kv(ARGS); | |
2347 | } | |
2348 | ||
2349 | PP(pp_keys) | |
2350 | { | |
2351 | return do_kv(ARGS); | |
2352 | } | |
2353 | ||
2354 | PP(pp_delete) | |
2355 | { | |
4e35701f | 2356 | djSP; |
54310121 | 2357 | I32 gimme = GIMME_V; |
2358 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 2359 | SV *sv; |
5f05dabc | 2360 | HV *hv; |
2361 | ||
2362 | if (op->op_private & OPpSLICE) { | |
2363 | dMARK; dORIGMARK; | |
97fcbf96 | 2364 | U32 hvtype; |
5f05dabc | 2365 | hv = (HV*)POPs; |
97fcbf96 | 2366 | hvtype = SvTYPE(hv); |
5f05dabc | 2367 | while (++MARK <= SP) { |
ae77835f MB |
2368 | if (hvtype == SVt_PVHV) |
2369 | sv = hv_delete_ent(hv, *MARK, discard, 0); | |
2370 | else if (hvtype == SVt_PVAV) | |
2371 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); | |
2372 | else | |
2373 | DIE("Not a HASH reference"); | |
5f05dabc | 2374 | *MARK = sv ? sv : &sv_undef; |
2375 | } | |
54310121 | 2376 | if (discard) |
2377 | SP = ORIGMARK; | |
2378 | else if (gimme == G_SCALAR) { | |
5f05dabc | 2379 | MARK = ORIGMARK; |
2380 | *++MARK = *SP; | |
2381 | SP = MARK; | |
2382 | } | |
2383 | } | |
2384 | else { | |
2385 | SV *keysv = POPs; | |
2386 | hv = (HV*)POPs; | |
97fcbf96 MB |
2387 | if (SvTYPE(hv) == SVt_PVHV) |
2388 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
2389 | else if (SvTYPE(hv) == SVt_PVAV) | |
2390 | sv = avhv_delete_ent((AV*)hv, keysv, discard, 0); | |
2391 | else | |
5f05dabc | 2392 | DIE("Not a HASH reference"); |
5f05dabc | 2393 | if (!sv) |
2394 | sv = &sv_undef; | |
54310121 | 2395 | if (!discard) |
2396 | PUSHs(sv); | |
79072805 | 2397 | } |
79072805 LW |
2398 | RETURN; |
2399 | } | |
2400 | ||
a0d0e21e | 2401 | PP(pp_exists) |
79072805 | 2402 | { |
4e35701f | 2403 | djSP; |
a0d0e21e LW |
2404 | SV *tmpsv = POPs; |
2405 | HV *hv = (HV*)POPs; | |
c750a3ec | 2406 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 2407 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec MB |
2408 | RETPUSHYES; |
2409 | } else if (SvTYPE(hv) == SVt_PVAV) { | |
ae77835f | 2410 | if (avhv_exists_ent((AV*)hv, tmpsv, 0)) |
c750a3ec MB |
2411 | RETPUSHYES; |
2412 | } else { | |
a0d0e21e LW |
2413 | DIE("Not a HASH reference"); |
2414 | } | |
a0d0e21e LW |
2415 | RETPUSHNO; |
2416 | } | |
79072805 | 2417 | |
a0d0e21e LW |
2418 | PP(pp_hslice) |
2419 | { | |
4e35701f | 2420 | djSP; dMARK; dORIGMARK; |
f12c7020 | 2421 | register HE *he; |
a0d0e21e LW |
2422 | register HV *hv = (HV*)POPs; |
2423 | register I32 lval = op->op_flags & OPf_MOD; | |
c750a3ec | 2424 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 2425 | |
c750a3ec | 2426 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 2427 | while (++MARK <= SP) { |
f12c7020 | 2428 | SV *keysv = *MARK; |
ae77835f MB |
2429 | SV **svp; |
2430 | if (realhv) { | |
2431 | he = hv_fetch_ent(hv, keysv, lval, 0); | |
2432 | svp = he ? &HeVAL(he) : 0; | |
2433 | } else { | |
97fcbf96 | 2434 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 2435 | } |
a0d0e21e | 2436 | if (lval) { |
f12c7020 | 2437 | if (!he || HeVAL(he) == &sv_undef) |
2438 | DIE(no_helem, SvPV(keysv, na)); | |
a0d0e21e | 2439 | if (op->op_private & OPpLVAL_INTRO) |
161b7d16 | 2440 | save_helem(hv, keysv, &HeVAL(he)); |
93a17b20 | 2441 | } |
f12c7020 | 2442 | *MARK = he ? HeVAL(he) : &sv_undef; |
79072805 LW |
2443 | } |
2444 | } | |
a0d0e21e LW |
2445 | if (GIMME != G_ARRAY) { |
2446 | MARK = ORIGMARK; | |
2447 | *++MARK = *SP; | |
2448 | SP = MARK; | |
79072805 | 2449 | } |
a0d0e21e LW |
2450 | RETURN; |
2451 | } | |
2452 | ||
2453 | /* List operators. */ | |
2454 | ||
2455 | PP(pp_list) | |
2456 | { | |
4e35701f | 2457 | djSP; dMARK; |
a0d0e21e LW |
2458 | if (GIMME != G_ARRAY) { |
2459 | if (++MARK <= SP) | |
2460 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 2461 | else |
a0d0e21e LW |
2462 | *MARK = &sv_undef; |
2463 | SP = MARK; | |
79072805 | 2464 | } |
a0d0e21e | 2465 | RETURN; |
79072805 LW |
2466 | } |
2467 | ||
a0d0e21e | 2468 | PP(pp_lslice) |
79072805 | 2469 | { |
4e35701f | 2470 | djSP; |
a0d0e21e LW |
2471 | SV **lastrelem = stack_sp; |
2472 | SV **lastlelem = stack_base + POPMARK; | |
2473 | SV **firstlelem = stack_base + POPMARK + 1; | |
2474 | register SV **firstrelem = lastlelem + 1; | |
2475 | I32 arybase = curcop->cop_arybase; | |
4633a7c4 LW |
2476 | I32 lval = op->op_flags & OPf_MOD; |
2477 | I32 is_something_there = lval; | |
79072805 | 2478 | |
a0d0e21e LW |
2479 | register I32 max = lastrelem - lastlelem; |
2480 | register SV **lelem; | |
2481 | register I32 ix; | |
2482 | ||
2483 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
2484 | ix = SvIVx(*lastlelem); |
2485 | if (ix < 0) | |
2486 | ix += max; | |
2487 | else | |
2488 | ix -= arybase; | |
a0d0e21e LW |
2489 | if (ix < 0 || ix >= max) |
2490 | *firstlelem = &sv_undef; | |
2491 | else | |
2492 | *firstlelem = firstrelem[ix]; | |
2493 | SP = firstlelem; | |
2494 | RETURN; | |
2495 | } | |
2496 | ||
2497 | if (max == 0) { | |
2498 | SP = firstlelem - 1; | |
2499 | RETURN; | |
2500 | } | |
2501 | ||
2502 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 2503 | ix = SvIVx(*lelem); |
a0d0e21e LW |
2504 | if (ix < 0) { |
2505 | ix += max; | |
2506 | if (ix < 0) | |
2507 | *lelem = &sv_undef; | |
2508 | else if (!(*lelem = firstrelem[ix])) | |
2509 | *lelem = &sv_undef; | |
79072805 | 2510 | } |
748a9306 LW |
2511 | else { |
2512 | ix -= arybase; | |
2513 | if (ix >= max || !(*lelem = firstrelem[ix])) | |
2514 | *lelem = &sv_undef; | |
2515 | } | |
ff0cee69 | 2516 | if (!is_something_there && (SvOK(*lelem) || SvGMAGICAL(*lelem))) |
4633a7c4 | 2517 | is_something_there = TRUE; |
79072805 | 2518 | } |
4633a7c4 LW |
2519 | if (is_something_there) |
2520 | SP = lastlelem; | |
2521 | else | |
2522 | SP = firstlelem - 1; | |
79072805 LW |
2523 | RETURN; |
2524 | } | |
2525 | ||
a0d0e21e LW |
2526 | PP(pp_anonlist) |
2527 | { | |
4e35701f | 2528 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2529 | I32 items = SP - MARK; |
44a8e56a | 2530 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
2531 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
2532 | XPUSHs(av); | |
a0d0e21e LW |
2533 | RETURN; |
2534 | } | |
2535 | ||
2536 | PP(pp_anonhash) | |
79072805 | 2537 | { |
4e35701f | 2538 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2539 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2540 | ||
2541 | while (MARK < SP) { | |
2542 | SV* key = *++MARK; | |
a0d0e21e LW |
2543 | SV *val = NEWSV(46, 0); |
2544 | if (MARK < SP) | |
2545 | sv_setsv(val, *++MARK); | |
fb73857a | 2546 | else if (dowarn) |
1930e939 | 2547 | warn("Odd number of elements in hash assignment"); |
f12c7020 | 2548 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 2549 | } |
a0d0e21e LW |
2550 | SP = ORIGMARK; |
2551 | XPUSHs((SV*)hv); | |
79072805 LW |
2552 | RETURN; |
2553 | } | |
2554 | ||
a0d0e21e | 2555 | PP(pp_splice) |
79072805 | 2556 | { |
4e35701f | 2557 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2558 | register AV *ary = (AV*)*++MARK; |
2559 | register SV **src; | |
2560 | register SV **dst; | |
2561 | register I32 i; | |
2562 | register I32 offset; | |
2563 | register I32 length; | |
2564 | I32 newlen; | |
2565 | I32 after; | |
2566 | I32 diff; | |
2567 | SV **tmparyval = 0; | |
93965878 NIS |
2568 | MAGIC *mg; |
2569 | ||
2570 | if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) { | |
2571 | *MARK-- = mg->mg_obj; | |
2572 | PUSHMARK(MARK); | |
8ec5e241 | 2573 | PUTBACK; |
a60c0954 | 2574 | ENTER; |
93965878 | 2575 | perl_call_method("SPLICE",GIMME_V); |
a60c0954 | 2576 | LEAVE; |
93965878 NIS |
2577 | SPAGAIN; |
2578 | RETURN; | |
2579 | } | |
79072805 | 2580 | |
a0d0e21e | 2581 | SP++; |
79072805 | 2582 | |
a0d0e21e | 2583 | if (++MARK < SP) { |
84902520 | 2584 | offset = i = SvIVx(*MARK); |
a0d0e21e | 2585 | if (offset < 0) |
93965878 | 2586 | offset += AvFILLp(ary) + 1; |
a0d0e21e LW |
2587 | else |
2588 | offset -= curcop->cop_arybase; | |
84902520 TB |
2589 | if (offset < 0) |
2590 | DIE(no_aelem, i); | |
a0d0e21e LW |
2591 | if (++MARK < SP) { |
2592 | length = SvIVx(*MARK++); | |
2593 | if (length < 0) | |
2594 | length = 0; | |
79072805 LW |
2595 | } |
2596 | else | |
a0d0e21e | 2597 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 2598 | } |
a0d0e21e LW |
2599 | else { |
2600 | offset = 0; | |
2601 | length = AvMAX(ary) + 1; | |
2602 | } | |
93965878 NIS |
2603 | if (offset > AvFILLp(ary) + 1) |
2604 | offset = AvFILLp(ary) + 1; | |
2605 | after = AvFILLp(ary) + 1 - (offset + length); | |
a0d0e21e LW |
2606 | if (after < 0) { /* not that much array */ |
2607 | length += after; /* offset+length now in array */ | |
2608 | after = 0; | |
2609 | if (!AvALLOC(ary)) | |
2610 | av_extend(ary, 0); | |
2611 | } | |
2612 | ||
2613 | /* At this point, MARK .. SP-1 is our new LIST */ | |
2614 | ||
2615 | newlen = SP - MARK; | |
2616 | diff = newlen - length; | |
fb73857a | 2617 | if (newlen && !AvREAL(ary)) { |
2618 | if (AvREIFY(ary)) | |
2619 | av_reify(ary); | |
2620 | else | |
2621 | assert(AvREAL(ary)); /* would leak, so croak */ | |
2622 | } | |
a0d0e21e LW |
2623 | |
2624 | if (diff < 0) { /* shrinking the area */ | |
2625 | if (newlen) { | |
2626 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
2627 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 2628 | } |
a0d0e21e LW |
2629 | |
2630 | MARK = ORIGMARK + 1; | |
2631 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2632 | MEXTEND(MARK, length); | |
2633 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
2634 | if (AvREAL(ary)) { | |
bbce6d69 | 2635 | EXTEND_MORTAL(length); |
36477c24 | 2636 | for (i = length, dst = MARK; i; i--) { |
2637 | if (!SvIMMORTAL(*dst)) | |
2638 | sv_2mortal(*dst); /* free them eventualy */ | |
2639 | dst++; | |
2640 | } | |
a0d0e21e LW |
2641 | } |
2642 | MARK += length - 1; | |
79072805 | 2643 | } |
a0d0e21e LW |
2644 | else { |
2645 | *MARK = AvARRAY(ary)[offset+length-1]; | |
2646 | if (AvREAL(ary)) { | |
36477c24 | 2647 | if (!SvIMMORTAL(*MARK)) |
2648 | sv_2mortal(*MARK); | |
a0d0e21e LW |
2649 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2650 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 2651 | } |
a0d0e21e | 2652 | } |
93965878 | 2653 | AvFILLp(ary) += diff; |
a0d0e21e LW |
2654 | |
2655 | /* pull up or down? */ | |
2656 | ||
2657 | if (offset < after) { /* easier to pull up */ | |
2658 | if (offset) { /* esp. if nothing to pull */ | |
2659 | src = &AvARRAY(ary)[offset-1]; | |
2660 | dst = src - diff; /* diff is negative */ | |
2661 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
2662 | *dst-- = *src--; | |
79072805 | 2663 | } |
a0d0e21e LW |
2664 | dst = AvARRAY(ary); |
2665 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
2666 | AvMAX(ary) += diff; | |
2667 | } | |
2668 | else { | |
2669 | if (after) { /* anything to pull down? */ | |
2670 | src = AvARRAY(ary) + offset + length; | |
2671 | dst = src + diff; /* diff is negative */ | |
2672 | Move(src, dst, after, SV*); | |
79072805 | 2673 | } |
93965878 | 2674 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
2675 | /* avoid later double free */ |
2676 | } | |
2677 | i = -diff; | |
2678 | while (i) | |
2679 | dst[--i] = &sv_undef; | |
2680 | ||
2681 | if (newlen) { | |
2682 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
2683 | newlen; newlen--) { | |
2684 | *dst = NEWSV(46, 0); | |
2685 | sv_setsv(*dst++, *src++); | |
79072805 | 2686 | } |
a0d0e21e LW |
2687 | Safefree(tmparyval); |
2688 | } | |
2689 | } | |
2690 | else { /* no, expanding (or same) */ | |
2691 | if (length) { | |
2692 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
2693 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
2694 | } | |
2695 | ||
2696 | if (diff > 0) { /* expanding */ | |
2697 | ||
2698 | /* push up or down? */ | |
2699 | ||
2700 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
2701 | if (offset) { | |
2702 | src = AvARRAY(ary); | |
2703 | dst = src - diff; | |
2704 | Move(src, dst, offset, SV*); | |
79072805 | 2705 | } |
a0d0e21e LW |
2706 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2707 | AvMAX(ary) += diff; | |
93965878 | 2708 | AvFILLp(ary) += diff; |
79072805 LW |
2709 | } |
2710 | else { | |
93965878 NIS |
2711 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2712 | av_extend(ary, AvFILLp(ary) + diff); | |
2713 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
2714 | |
2715 | if (after) { | |
93965878 | 2716 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
2717 | src = dst - diff; |
2718 | for (i = after; i; i--) { | |
2719 | *dst-- = *src--; | |
2720 | } | |
79072805 LW |
2721 | } |
2722 | } | |
a0d0e21e LW |
2723 | } |
2724 | ||
2725 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
2726 | *dst = NEWSV(46, 0); | |
2727 | sv_setsv(*dst++, *src++); | |
2728 | } | |
2729 | MARK = ORIGMARK + 1; | |
2730 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2731 | if (length) { | |
2732 | Copy(tmparyval, MARK, length, SV*); | |
2733 | if (AvREAL(ary)) { | |
bbce6d69 | 2734 | EXTEND_MORTAL(length); |
36477c24 | 2735 | for (i = length, dst = MARK; i; i--) { |
2736 | if (!SvIMMORTAL(*dst)) | |
2737 | sv_2mortal(*dst); /* free them eventualy */ | |
2738 | dst++; | |
2739 | } | |
79072805 | 2740 | } |
a0d0e21e | 2741 | Safefree(tmparyval); |
79072805 | 2742 | } |
a0d0e21e LW |
2743 | MARK += length - 1; |
2744 | } | |
2745 | else if (length--) { | |
2746 | *MARK = tmparyval[length]; | |
2747 | if (AvREAL(ary)) { | |
36477c24 | 2748 | if (!SvIMMORTAL(*MARK)) |
2749 | sv_2mortal(*MARK); | |
a0d0e21e LW |
2750 | while (length-- > 0) |
2751 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 2752 | } |
a0d0e21e | 2753 | Safefree(tmparyval); |
79072805 | 2754 | } |
a0d0e21e LW |
2755 | else |
2756 | *MARK = &sv_undef; | |
79072805 | 2757 | } |
a0d0e21e | 2758 | SP = MARK; |
79072805 LW |
2759 | RETURN; |
2760 | } | |
2761 | ||
a0d0e21e | 2762 | PP(pp_push) |
79072805 | 2763 | { |
4e35701f | 2764 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
2765 | register AV *ary = (AV*)*++MARK; |
2766 | register SV *sv = &sv_undef; | |
93965878 | 2767 | MAGIC *mg; |
79072805 | 2768 | |
93965878 NIS |
2769 | if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) { |
2770 | *MARK-- = mg->mg_obj; | |
2771 | PUSHMARK(MARK); | |
2772 | PUTBACK; | |
a60c0954 NIS |
2773 | ENTER; |
2774 | perl_call_method("PUSH",G_SCALAR|G_DISCARD); | |
2775 | LEAVE; | |
93965878 | 2776 | SPAGAIN; |
93965878 | 2777 | } |
a60c0954 NIS |
2778 | else { |
2779 | /* Why no pre-extend of ary here ? */ | |
2780 | for (++MARK; MARK <= SP; MARK++) { | |
2781 | sv = NEWSV(51, 0); | |
2782 | if (*MARK) | |
2783 | sv_setsv(sv, *MARK); | |
2784 | av_push(ary, sv); | |
2785 | } | |
79072805 LW |
2786 | } |
2787 | SP = ORIGMARK; | |
a0d0e21e | 2788 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
2789 | RETURN; |
2790 | } | |
2791 | ||
a0d0e21e | 2792 | PP(pp_pop) |
79072805 | 2793 | { |
4e35701f | 2794 | djSP; |
a0d0e21e LW |
2795 | AV *av = (AV*)POPs; |
2796 | SV *sv = av_pop(av); | |
36477c24 | 2797 | if (!SvIMMORTAL(sv) && AvREAL(av)) |
a0d0e21e LW |
2798 | (void)sv_2mortal(sv); |
2799 | PUSHs(sv); | |
79072805 | 2800 | RETURN; |
79072805 LW |
2801 | } |
2802 | ||
a0d0e21e | 2803 | PP(pp_shift) |
79072805 | 2804 | { |
4e35701f | 2805 | djSP; |
a0d0e21e LW |
2806 | AV *av = (AV*)POPs; |
2807 | SV *sv = av_shift(av); | |
79072805 | 2808 | EXTEND(SP, 1); |
a0d0e21e | 2809 | if (!sv) |
79072805 | 2810 | RETPUSHUNDEF; |
36477c24 | 2811 | if (!SvIMMORTAL(sv) && AvREAL(av)) |
a0d0e21e LW |
2812 | (void)sv_2mortal(sv); |
2813 | PUSHs(sv); | |
79072805 | 2814 | RETURN; |
79072805 LW |
2815 | } |
2816 | ||
a0d0e21e | 2817 | PP(pp_unshift) |
79072805 | 2818 | { |
4e35701f | 2819 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
2820 | register AV *ary = (AV*)*++MARK; |
2821 | register SV *sv; | |
2822 | register I32 i = 0; | |
93965878 NIS |
2823 | MAGIC *mg; |
2824 | ||
8ec5e241 | 2825 | if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) { |
93965878 | 2826 | *MARK-- = mg->mg_obj; |
7fd66d9d | 2827 | PUSHMARK(MARK); |
93965878 | 2828 | PUTBACK; |
a60c0954 NIS |
2829 | ENTER; |
2830 | perl_call_method("UNSHIFT",G_SCALAR|G_DISCARD); | |
2831 | LEAVE; | |
93965878 | 2832 | SPAGAIN; |
93965878 | 2833 | } |
a60c0954 NIS |
2834 | else { |
2835 | av_unshift(ary, SP - MARK); | |
2836 | while (MARK < SP) { | |
2837 | sv = NEWSV(27, 0); | |
2838 | sv_setsv(sv, *++MARK); | |
2839 | (void)av_store(ary, i++, sv); | |
2840 | } | |
79072805 | 2841 | } |
a0d0e21e LW |
2842 | SP = ORIGMARK; |
2843 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 2844 | RETURN; |
79072805 LW |
2845 | } |
2846 | ||
a0d0e21e | 2847 | PP(pp_reverse) |
79072805 | 2848 | { |
4e35701f | 2849 | djSP; dMARK; |
a0d0e21e LW |
2850 | register SV *tmp; |
2851 | SV **oldsp = SP; | |
79072805 | 2852 | |
a0d0e21e LW |
2853 | if (GIMME == G_ARRAY) { |
2854 | MARK++; | |
2855 | while (MARK < SP) { | |
2856 | tmp = *MARK; | |
2857 | *MARK++ = *SP; | |
2858 | *SP-- = tmp; | |
2859 | } | |
2860 | SP = oldsp; | |
79072805 LW |
2861 | } |
2862 | else { | |
a0d0e21e LW |
2863 | register char *up; |
2864 | register char *down; | |
2865 | register I32 tmp; | |
2866 | dTARGET; | |
2867 | STRLEN len; | |
79072805 | 2868 | |
a0d0e21e LW |
2869 | if (SP - MARK > 1) |
2870 | do_join(TARG, &sv_no, MARK, SP); | |
2871 | else | |
54b9620d | 2872 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
2873 | up = SvPV_force(TARG, len); |
2874 | if (len > 1) { | |
2875 | down = SvPVX(TARG) + len - 1; | |
2876 | while (down > up) { | |
2877 | tmp = *up; | |
2878 | *up++ = *down; | |
2879 | *down-- = tmp; | |
2880 | } | |
2881 | (void)SvPOK_only(TARG); | |
79072805 | 2882 | } |
a0d0e21e LW |
2883 | SP = MARK + 1; |
2884 | SETTARG; | |
79072805 | 2885 | } |
a0d0e21e | 2886 | RETURN; |
79072805 LW |
2887 | } |
2888 | ||
76e3520e | 2889 | STATIC SV * |
8ac85365 | 2890 | mul128(SV *sv, U8 m) |
55497cff | 2891 | { |
2892 | STRLEN len; | |
2893 | char *s = SvPV(sv, len); | |
2894 | char *t; | |
2895 | U32 i = 0; | |
2896 | ||
2897 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ | |
09b7f37c | 2898 | SV *tmpNew = newSVpv("0000000000", 10); |
55497cff | 2899 | |
09b7f37c | 2900 | sv_catsv(tmpNew, sv); |
55497cff | 2901 | SvREFCNT_dec(sv); /* free old sv */ |
09b7f37c | 2902 | sv = tmpNew; |
55497cff | 2903 | s = SvPV(sv, len); |
2904 | } | |
2905 | t = s + len - 1; | |
2906 | while (!*t) /* trailing '\0'? */ | |
2907 | t--; | |
2908 | while (t > s) { | |
2909 | i = ((*t - '0') << 7) + m; | |
2910 | *(t--) = '0' + (i % 10); | |
2911 | m = i / 10; | |
2912 | } | |
2913 | return (sv); | |
2914 | } | |
2915 | ||
a0d0e21e LW |
2916 | /* Explosives and implosives. */ |
2917 | ||
2918 | PP(pp_unpack) | |
79072805 | 2919 | { |
4e35701f | 2920 | djSP; |
a0d0e21e | 2921 | dPOPPOPssrl; |
924508f0 | 2922 | SV **oldsp = SP; |
54310121 | 2923 | I32 gimme = GIMME_V; |
ed6116ce | 2924 | SV *sv; |
a0d0e21e LW |
2925 | STRLEN llen; |
2926 | STRLEN rlen; | |
2927 | register char *pat = SvPV(left, llen); | |
2928 | register char *s = SvPV(right, rlen); | |
2929 | char *strend = s + rlen; | |
2930 | char *strbeg = s; | |
2931 | register char *patend = pat + llen; | |
2932 | I32 datumtype; | |
2933 | register I32 len; | |
2934 | register I32 bits; | |
79072805 | 2935 | |
a0d0e21e LW |
2936 | /* These must not be in registers: */ |
2937 | I16 ashort; | |
2938 | int aint; | |
2939 | I32 along; | |
ecfc5424 AD |
2940 | #ifdef HAS_QUAD |
2941 | Quad_t aquad; | |
a0d0e21e LW |
2942 | #endif |
2943 | U16 aushort; | |
2944 | unsigned int auint; | |
2945 | U32 aulong; | |
ecfc5424 AD |
2946 | #ifdef HAS_QUAD |
2947 | unsigned Quad_t auquad; | |
a0d0e21e LW |
2948 | #endif |
2949 | char *aptr; | |
2950 | float afloat; | |
2951 | double adouble; | |
2952 | I32 checksum = 0; | |
2953 | register U32 culong; | |
2954 | double cdouble; | |
2955 | static char* bitcount = 0; | |
fb73857a | 2956 | int commas = 0; |
79072805 | 2957 | |
54310121 | 2958 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
a0d0e21e LW |
2959 | /*SUPPRESS 530*/ |
2960 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
748a9306 | 2961 | if (strchr("aAbBhHP", *patend) || *pat == '%') { |
a0d0e21e LW |
2962 | patend++; |
2963 | while (isDIGIT(*patend) || *patend == '*') | |
2964 | patend++; | |
2965 | } | |
2966 | else | |
2967 | patend++; | |
79072805 | 2968 | } |
a0d0e21e LW |
2969 | while (pat < patend) { |
2970 | reparse: | |
bbdab043 CS |
2971 | datumtype = *pat++ & 0xFF; |
2972 | if (isSPACE(datumtype)) | |
2973 | continue; | |
a0d0e21e LW |
2974 | if (pat >= patend) |
2975 | len = 1; | |
2976 | else if (*pat == '*') { | |
2977 | len = strend - strbeg; /* long enough */ | |
2978 | pat++; | |
2979 | } | |
2980 | else if (isDIGIT(*pat)) { | |
2981 | len = *pat++ - '0'; | |
2982 | while (isDIGIT(*pat)) | |
2983 | len = (len * 10) + (*pat++ - '0'); | |
2984 | } | |
2985 | else | |
2986 | len = (datumtype != '@'); | |
2987 | switch(datumtype) { | |
2988 | default: | |
bbdab043 | 2989 | croak("Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 2990 | case ',': /* grandfather in commas but with a warning */ |
2991 | if (commas++ == 0 && dowarn) | |
2992 | warn("Invalid type in unpack: '%c'", (int)datumtype); | |
2993 | break; | |
a0d0e21e LW |
2994 | case '%': |
2995 | if (len == 1 && pat[-1] != '1') | |
2996 | len = 16; | |
2997 | checksum = len; | |
2998 | culong = 0; | |
2999 | cdouble = 0; | |
3000 | if (pat < patend) | |
3001 | goto reparse; | |
3002 | break; | |
3003 | case '@': | |
3004 | if (len > strend - strbeg) | |
3005 | DIE("@ outside of string"); | |
3006 | s = strbeg + len; | |
3007 | break; | |
3008 | case 'X': | |
3009 | if (len > s - strbeg) | |
3010 | DIE("X outside of string"); | |
3011 | s -= len; | |
3012 | break; | |
3013 | case 'x': | |
3014 | if (len > strend - s) | |
3015 | DIE("x outside of string"); | |
3016 | s += len; | |
3017 | break; | |
3018 | case 'A': | |
3019 | case 'a': | |
3020 | if (len > strend - s) | |
3021 | len = strend - s; | |
3022 | if (checksum) | |
3023 | goto uchar_checksum; | |
3024 | sv = NEWSV(35, len); | |
3025 | sv_setpvn(sv, s, len); | |
3026 | s += len; | |
3027 | if (datumtype == 'A') { | |
3028 | aptr = s; /* borrow register */ | |
3029 | s = SvPVX(sv) + len - 1; | |
3030 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) | |
3031 | s--; | |
3032 | *++s = '\0'; | |
3033 | SvCUR_set(sv, s - SvPVX(sv)); | |
3034 | s = aptr; /* unborrow register */ | |
3035 | } | |
3036 | XPUSHs(sv_2mortal(sv)); | |
3037 | break; | |
3038 | case 'B': | |
3039 | case 'b': | |
3040 | if (pat[-1] == '*' || len > (strend - s) * 8) | |
3041 | len = (strend - s) * 8; | |
3042 | if (checksum) { | |
3043 | if (!bitcount) { | |
3044 | Newz(601, bitcount, 256, char); | |
3045 | for (bits = 1; bits < 256; bits++) { | |
3046 | if (bits & 1) bitcount[bits]++; | |
3047 | if (bits & 2) bitcount[bits]++; | |
3048 | if (bits & 4) bitcount[bits]++; | |
3049 | if (bits & 8) bitcount[bits]++; | |
3050 | if (bits & 16) bitcount[bits]++; | |
3051 | if (bits & 32) bitcount[bits]++; | |
3052 | if (bits & 64) bitcount[bits]++; | |
3053 | if (bits & 128) bitcount[bits]++; | |
3054 | } | |
3055 | } | |
3056 | while (len >= 8) { | |
3057 | culong += bitcount[*(unsigned char*)s++]; | |
3058 | len -= 8; | |
3059 | } | |
3060 | if (len) { | |
3061 | bits = *s; | |
3062 | if (datumtype == 'b') { | |
3063 | while (len-- > 0) { | |
3064 | if (bits & 1) culong++; | |
3065 | bits >>= 1; | |
3066 | } | |
3067 | } | |
3068 | else { | |
3069 | while (len-- > 0) { | |
3070 | if (bits & 128) culong++; | |
3071 | bits <<= 1; | |
3072 | } | |
3073 | } | |
3074 | } | |
79072805 LW |
3075 | break; |
3076 | } | |
a0d0e21e LW |
3077 | sv = NEWSV(35, len + 1); |
3078 | SvCUR_set(sv, len); | |
3079 | SvPOK_on(sv); | |
3080 | aptr = pat; /* borrow register */ | |
3081 | pat = SvPVX(sv); | |
3082 | if (datumtype == 'b') { | |
3083 | aint = len; | |
3084 | for (len = 0; len < aint; len++) { | |
3085 | if (len & 7) /*SUPPRESS 595*/ | |
3086 | bits >>= 1; | |
3087 | else | |
3088 | bits = *s++; | |
3089 | *pat++ = '0' + (bits & 1); | |
3090 | } | |
3091 | } | |
3092 | else { | |
3093 | aint = len; | |
3094 | for (len = 0; len < aint; len++) { | |
3095 | if (len & 7) | |
3096 | bits <<= 1; | |
3097 | else | |
3098 | bits = *s++; | |
3099 | *pat++ = '0' + ((bits & 128) != 0); | |
3100 | } | |
3101 | } | |
3102 | *pat = '\0'; | |
3103 | pat = aptr; /* unborrow register */ | |
3104 | XPUSHs(sv_2mortal(sv)); | |
3105 | break; | |
3106 | case 'H': | |
3107 | case 'h': | |
3108 | if (pat[-1] == '*' || len > (strend - s) * 2) | |
3109 | len = (strend - s) * 2; | |
3110 | sv = NEWSV(35, len + 1); | |
3111 | SvCUR_set(sv, len); | |
3112 | SvPOK_on(sv); | |
3113 | aptr = pat; /* borrow register */ | |
3114 | pat = SvPVX(sv); | |
3115 | if (datumtype == 'h') { | |
3116 | aint = len; | |
3117 | for (len = 0; len < aint; len++) { | |
3118 | if (len & 1) | |
3119 | bits >>= 4; | |
3120 | else | |
3121 | bits = *s++; | |
3122 | *pat++ = hexdigit[bits & 15]; | |
3123 | } | |
3124 | } | |
3125 | else { | |
3126 | aint = len; | |
3127 | for (len = 0; len < aint; len++) { | |
3128 | if (len & 1) | |
3129 | bits <<= 4; | |
3130 | else | |
3131 | bits = *s++; | |
3132 | *pat++ = hexdigit[(bits >> 4) & 15]; | |
3133 | } | |
3134 | } | |
3135 | *pat = '\0'; | |
3136 | pat = aptr; /* unborrow register */ | |
3137 | XPUSHs(sv_2mortal(sv)); | |
3138 | break; | |
3139 | case 'c': | |
3140 | if (len > strend - s) | |
3141 | len = strend - s; | |
3142 | if (checksum) { | |
3143 | while (len-- > 0) { | |
3144 | aint = *s++; | |
3145 | if (aint >= 128) /* fake up signed chars */ | |
3146 | aint -= 256; | |
3147 | culong += aint; | |
3148 | } | |
3149 | } | |
3150 | else { | |
3151 | EXTEND(SP, len); | |
bbce6d69 | 3152 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3153 | while (len-- > 0) { |
3154 | aint = *s++; | |
3155 | if (aint >= 128) /* fake up signed chars */ | |
3156 | aint -= 256; | |
3157 | sv = NEWSV(36, 0); | |
1e422769 | 3158 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3159 | PUSHs(sv_2mortal(sv)); |
3160 | } | |
3161 | } | |
3162 | break; | |
3163 | case 'C': | |
3164 | if (len > strend - s) | |
3165 | len = strend - s; | |
3166 | if (checksum) { | |
3167 | uchar_checksum: | |
3168 | while (len-- > 0) { | |
3169 | auint = *s++ & 255; | |
3170 | culong += auint; | |
3171 | } | |
3172 | } | |
3173 | else { | |
3174 | EXTEND(SP, len); | |
bbce6d69 | 3175 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3176 | while (len-- > 0) { |
3177 | auint = *s++ & 255; | |
3178 | sv = NEWSV(37, 0); | |
1e422769 | 3179 | sv_setiv(sv, (IV)auint); |
a0d0e21e LW |
3180 | PUSHs(sv_2mortal(sv)); |
3181 | } | |
3182 | } | |
3183 | break; | |
3184 | case 's': | |
96e4d5b1 | 3185 | along = (strend - s) / SIZE16; |
a0d0e21e LW |
3186 | if (len > along) |
3187 | len = along; | |
3188 | if (checksum) { | |
3189 | while (len-- > 0) { | |
96e4d5b1 | 3190 | COPY16(s, &ashort); |
3191 | s += SIZE16; | |
a0d0e21e LW |
3192 | culong += ashort; |
3193 | } | |
3194 | } | |
3195 | else { | |
3196 | EXTEND(SP, len); | |
bbce6d69 | 3197 | EXTEND_MORTAL(len); |
a0d0e21e | 3198 | while (len-- > 0) { |
96e4d5b1 | 3199 | COPY16(s, &ashort); |
3200 | s += SIZE16; | |
a0d0e21e | 3201 | sv = NEWSV(38, 0); |
1e422769 | 3202 | sv_setiv(sv, (IV)ashort); |
a0d0e21e LW |
3203 | PUSHs(sv_2mortal(sv)); |
3204 | } | |
3205 | } | |
3206 | break; | |
3207 | case 'v': | |
3208 | case 'n': | |
3209 | case 'S': | |
96e4d5b1 | 3210 | along = (strend - s) / SIZE16; |
a0d0e21e LW |
3211 | if (len > along) |
3212 | len = along; | |
3213 | if (checksum) { | |
3214 | while (len-- > 0) { | |
96e4d5b1 | 3215 | COPY16(s, &aushort); |
3216 | s += SIZE16; | |
a0d0e21e LW |
3217 | #ifdef HAS_NTOHS |
3218 | if (datumtype == 'n') | |
6ad3d225 | 3219 | aushort = PerlSock_ntohs(aushort); |
79072805 | 3220 | #endif |
a0d0e21e LW |
3221 | #ifdef HAS_VTOHS |
3222 | if (datumtype == 'v') | |
3223 | aushort = vtohs(aushort); | |
79072805 | 3224 | #endif |
a0d0e21e LW |
3225 | culong += aushort; |
3226 | } | |
3227 | } | |
3228 | else { | |
3229 | EXTEND(SP, len); | |
bbce6d69 | 3230 | EXTEND_MORTAL(len); |
a0d0e21e | 3231 | while (len-- > 0) { |
96e4d5b1 | 3232 | COPY16(s, &aushort); |
3233 | s += SIZE16; | |
a0d0e21e LW |
3234 | sv = NEWSV(39, 0); |
3235 | #ifdef HAS_NTOHS | |
3236 | if (datumtype == 'n') | |
6ad3d225 | 3237 | aushort = PerlSock_ntohs(aushort); |
79072805 | 3238 | #endif |
a0d0e21e LW |
3239 | #ifdef HAS_VTOHS |
3240 | if (datumtype == 'v') | |
3241 | aushort = vtohs(aushort); | |
79072805 | 3242 | #endif |
1e422769 | 3243 | sv_setiv(sv, (IV)aushort); |
a0d0e21e LW |
3244 | PUSHs(sv_2mortal(sv)); |
3245 | } | |
3246 | } | |
3247 | break; | |
3248 | case 'i': | |
3249 | along = (strend - s) / sizeof(int); | |
3250 | if (len > along) | |
3251 | len = along; | |
3252 | if (checksum) { | |
3253 | while (len-- > 0) { | |
3254 | Copy(s, &aint, 1, int); | |
3255 | s += sizeof(int); | |
3256 | if (checksum > 32) | |
3257 | cdouble += (double)aint; | |
3258 | else | |
3259 | culong += aint; | |
3260 | } | |
3261 | } | |
3262 | else { | |
3263 | EXTEND(SP, len); | |
bbce6d69 | 3264 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3265 | while (len-- > 0) { |
3266 | Copy(s, &aint, 1, int); | |
3267 | s += sizeof(int); | |
3268 | sv = NEWSV(40, 0); | |
20408e3c GS |
3269 | #ifdef __osf__ |
3270 | /* Without the dummy below unpack("i", pack("i",-1)) | |
3271 | * return 0xFFffFFff instead of -1 for Digital Unix V4.0 | |
3272 | * cc with optimization turned on */ | |
3273 | (aint) ? | |
3274 | sv_setiv(sv, (IV)aint) : | |
3275 | #endif | |
1e422769 | 3276 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3277 | PUSHs(sv_2mortal(sv)); |
3278 | } | |
3279 | } | |
3280 | break; | |
3281 | case 'I': | |
3282 | along = (strend - s) / sizeof(unsigned int); | |
3283 | if (len > along) | |
3284 | len = along; | |
3285 | if (checksum) { | |
3286 | while (len-- > 0) { | |
3287 | Copy(s, &auint, 1, unsigned int); | |
3288 | s += sizeof(unsigned int); | |
3289 | if (checksum > 32) | |
3290 | cdouble += (double)auint; | |
3291 | else | |
3292 | culong += auint; | |
3293 | } | |
3294 | } | |
3295 | else { | |
3296 | EXTEND(SP, len); | |
bbce6d69 | 3297 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3298 | while (len-- > 0) { |
3299 | Copy(s, &auint, 1, unsigned int); | |
3300 | s += sizeof(unsigned int); | |
3301 | sv = NEWSV(41, 0); | |
1e422769 | 3302 | sv_setuv(sv, (UV)auint); |
a0d0e21e LW |
3303 | PUSHs(sv_2mortal(sv)); |
3304 | } | |
3305 | } | |
3306 | break; | |
3307 | case 'l': | |
96e4d5b1 | 3308 | along = (strend - s) / SIZE32; |
a0d0e21e LW |
3309 | if (len > along) |
3310 | len = along; | |
3311 | if (checksum) { | |
3312 | while (len-- > 0) { | |
96e4d5b1 | 3313 | COPY32(s, &along); |
3314 | s += SIZE32; | |
a0d0e21e LW |
3315 | if (checksum > 32) |
3316 | cdouble += (double)along; | |
3317 | else | |
3318 | culong += along; | |
3319 | } | |
3320 | } | |
3321 | else { | |
3322 | EXTEND(SP, len); | |
bbce6d69 | 3323 | EXTEND_MORTAL(len); |
a0d0e21e | 3324 | while (len-- > 0) { |
96e4d5b1 | 3325 | COPY32(s, &along); |
3326 | s += SIZE32; | |
a0d0e21e | 3327 | sv = NEWSV(42, 0); |
1e422769 | 3328 | sv_setiv(sv, (IV)along); |
a0d0e21e LW |
3329 | PUSHs(sv_2mortal(sv)); |
3330 | } | |
79072805 | 3331 | } |
a0d0e21e LW |
3332 | break; |
3333 | case 'V': | |
3334 | case 'N': | |
3335 | case 'L': | |
96e4d5b1 | 3336 | along = (strend - s) / SIZE32; |
a0d0e21e LW |
3337 | if (len > along) |
3338 | len = along; | |
3339 | if (checksum) { | |
3340 | while (len-- > 0) { | |
96e4d5b1 | 3341 | COPY32(s, &aulong); |
3342 | s += SIZE32; | |
a0d0e21e LW |
3343 | #ifdef HAS_NTOHL |
3344 | if (datumtype == 'N') | |
6ad3d225 | 3345 | aulong = PerlSock_ntohl(aulong); |
79072805 | 3346 | #endif |
a0d0e21e LW |
3347 | #ifdef HAS_VTOHL |
3348 | if (datumtype == 'V') | |
3349 | aulong = vtohl(aulong); | |
79072805 | 3350 | #endif |
a0d0e21e LW |
3351 | if (checksum > 32) |
3352 | cdouble += (double)aulong; | |
3353 | else | |
3354 | culong += aulong; | |
3355 | } | |
3356 | } | |
3357 | else { | |
3358 | EXTEND(SP, len); | |
bbce6d69 | 3359 | EXTEND_MORTAL(len); |
a0d0e21e | 3360 | while (len-- > 0) { |
96e4d5b1 | 3361 | COPY32(s, &aulong); |
3362 | s += SIZE32; | |
a0d0e21e LW |
3363 | #ifdef HAS_NTOHL |
3364 | if (datumtype == 'N') | |
6ad3d225 | 3365 | aulong = PerlSock_ntohl(aulong); |
79072805 | 3366 | #endif |
a0d0e21e LW |
3367 | #ifdef HAS_VTOHL |
3368 | if (datumtype == 'V') | |
3369 | aulong = vtohl(aulong); | |
79072805 | 3370 | #endif |
1e422769 | 3371 | sv = NEWSV(43, 0); |
3372 | sv_setuv(sv, (UV)aulong); | |
a0d0e21e LW |
3373 | PUSHs(sv_2mortal(sv)); |
3374 | } | |
3375 | } | |
3376 | break; | |
3377 | case 'p': | |
3378 | along = (strend - s) / sizeof(char*); | |
3379 | if (len > along) | |
3380 | len = along; | |
3381 | EXTEND(SP, len); | |
bbce6d69 | 3382 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3383 | while (len-- > 0) { |
3384 | if (sizeof(char*) > strend - s) | |
3385 | break; | |
3386 | else { | |
3387 | Copy(s, &aptr, 1, char*); | |
3388 | s += sizeof(char*); | |
3389 | } | |
3390 | sv = NEWSV(44, 0); | |
3391 | if (aptr) | |
3392 | sv_setpv(sv, aptr); | |
3393 | PUSHs(sv_2mortal(sv)); | |
3394 | } | |
3395 | break; | |
def98dd4 | 3396 | case 'w': |
def98dd4 | 3397 | EXTEND(SP, len); |
bbce6d69 | 3398 | EXTEND_MORTAL(len); |
8ec5e241 | 3399 | { |
bbce6d69 | 3400 | UV auv = 0; |
3401 | U32 bytes = 0; | |
3402 | ||
3403 | while ((len > 0) && (s < strend)) { | |
3404 | auv = (auv << 7) | (*s & 0x7f); | |
3405 | if (!(*s++ & 0x80)) { | |
3406 | bytes = 0; | |
3407 | sv = NEWSV(40, 0); | |
3408 | sv_setuv(sv, auv); | |
3409 | PUSHs(sv_2mortal(sv)); | |
3410 | len--; | |
3411 | auv = 0; | |
3412 | } | |
3413 | else if (++bytes >= sizeof(UV)) { /* promote to string */ | |
bbce6d69 | 3414 | char *t; |
3415 | ||
fc36a67e | 3416 | sv = newSVpvf("%.*Vu", (int)TYPE_DIGITS(UV), auv); |
bbce6d69 | 3417 | while (s < strend) { |
3418 | sv = mul128(sv, *s & 0x7f); | |
3419 | if (!(*s++ & 0x80)) { | |
3420 | bytes = 0; | |
3421 | break; | |
3422 | } | |
3423 | } | |
3424 | t = SvPV(sv, na); | |
3425 | while (*t == '0') | |
3426 | t++; | |
3427 | sv_chop(sv, t); | |
3428 | PUSHs(sv_2mortal(sv)); | |
3429 | len--; | |
3430 | auv = 0; | |
3431 | } | |
3432 | } | |
3433 | if ((s >= strend) && bytes) | |
3434 | croak("Unterminated compressed integer"); | |
3435 | } | |
def98dd4 | 3436 | break; |
a0d0e21e LW |
3437 | case 'P': |
3438 | EXTEND(SP, 1); | |
3439 | if (sizeof(char*) > strend - s) | |
3440 | break; | |
3441 | else { | |
3442 | Copy(s, &aptr, 1, char*); | |
3443 | s += sizeof(char*); | |
3444 | } | |
3445 | sv = NEWSV(44, 0); | |
3446 | if (aptr) | |
3447 | sv_setpvn(sv, aptr, len); | |
3448 | PUSHs(sv_2mortal(sv)); | |
3449 | break; | |
ecfc5424 | 3450 | #ifdef HAS_QUAD |
a0d0e21e LW |
3451 | case 'q': |
3452 | EXTEND(SP, len); | |
bbce6d69 | 3453 | EXTEND_MORTAL(len); |
a0d0e21e | 3454 | while (len-- > 0) { |
ecfc5424 | 3455 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e LW |
3456 | aquad = 0; |
3457 | else { | |
ecfc5424 AD |
3458 | Copy(s, &aquad, 1, Quad_t); |
3459 | s += sizeof(Quad_t); | |
a0d0e21e LW |
3460 | } |
3461 | sv = NEWSV(42, 0); | |
96e4d5b1 | 3462 | if (aquad >= IV_MIN && aquad <= IV_MAX) |
3463 | sv_setiv(sv, (IV)aquad); | |
3464 | else | |
3465 | sv_setnv(sv, (double)aquad); | |
a0d0e21e LW |
3466 | PUSHs(sv_2mortal(sv)); |
3467 | } | |
3468 | break; | |
3469 | case 'Q': | |
3470 | EXTEND(SP, len); | |
bbce6d69 | 3471 | EXTEND_MORTAL(len); |
a0d0e21e | 3472 | while (len-- > 0) { |
ecfc5424 | 3473 | if (s + sizeof(unsigned Quad_t) > strend) |
a0d0e21e LW |
3474 | auquad = 0; |
3475 | else { | |
ecfc5424 AD |
3476 | Copy(s, &auquad, 1, unsigned Quad_t); |
3477 | s += sizeof(unsigned Quad_t); | |
a0d0e21e LW |
3478 | } |
3479 | sv = NEWSV(43, 0); | |
96e4d5b1 | 3480 | if (aquad <= UV_MAX) |
3481 | sv_setuv(sv, (UV)auquad); | |
3482 | else | |
3483 | sv_setnv(sv, (double)auquad); | |
a0d0e21e LW |
3484 | PUSHs(sv_2mortal(sv)); |
3485 | } | |
3486 | break; | |
79072805 | 3487 | #endif |
a0d0e21e LW |
3488 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
3489 | case 'f': | |
3490 | case 'F': | |
3491 | along = (strend - s) / sizeof(float); | |
3492 | if (len > along) | |
3493 | len = along; | |
3494 | if (checksum) { | |
3495 | while (len-- > 0) { | |
3496 | Copy(s, &afloat, 1, float); | |
3497 | s += sizeof(float); | |
3498 | cdouble += afloat; | |
3499 | } | |
3500 | } | |
3501 | else { | |
3502 | EXTEND(SP, len); | |
bbce6d69 | 3503 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3504 | while (len-- > 0) { |
3505 | Copy(s, &afloat, 1, float); | |
3506 | s += sizeof(float); | |
3507 | sv = NEWSV(47, 0); | |
3508 | sv_setnv(sv, (double)afloat); | |
3509 | PUSHs(sv_2mortal(sv)); | |
3510 | } | |
3511 | } | |
3512 | break; | |
3513 | case 'd': | |
3514 | case 'D': | |
3515 | along = (strend - s) / sizeof(double); | |
3516 | if (len > along) | |
3517 | len = along; | |
3518 | if (checksum) { | |
3519 | while (len-- > 0) { | |
3520 | Copy(s, &adouble, 1, double); | |
3521 | s += sizeof(double); | |
3522 | cdouble += adouble; | |
3523 | } | |
3524 | } | |
3525 | else { | |
3526 | EXTEND(SP, len); | |
bbce6d69 | 3527 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3528 | while (len-- > 0) { |
3529 | Copy(s, &adouble, 1, double); | |
3530 | s += sizeof(double); | |
3531 | sv = NEWSV(48, 0); | |
3532 | sv_setnv(sv, (double)adouble); | |
3533 | PUSHs(sv_2mortal(sv)); | |
3534 | } | |
3535 | } | |
3536 | break; | |
3537 | case 'u': | |
3538 | along = (strend - s) * 3 / 4; | |
3539 | sv = NEWSV(42, along); | |
f12c7020 | 3540 | if (along) |
3541 | SvPOK_on(sv); | |
a0d0e21e LW |
3542 | while (s < strend && *s > ' ' && *s < 'a') { |
3543 | I32 a, b, c, d; | |
3544 | char hunk[4]; | |
79072805 | 3545 | |
a0d0e21e LW |
3546 | hunk[3] = '\0'; |
3547 | len = (*s++ - ' ') & 077; | |
3548 | while (len > 0) { | |
3549 | if (s < strend && *s >= ' ') | |
3550 | a = (*s++ - ' ') & 077; | |
3551 | else | |
3552 | a = 0; | |
3553 | if (s < strend && *s >= ' ') | |
3554 | b = (*s++ - ' ') & 077; | |
3555 | else | |
3556 | b = 0; | |
3557 | if (s < strend && *s >= ' ') | |
3558 | c = (*s++ - ' ') & 077; | |
3559 | else | |
3560 | c = 0; | |
3561 | if (s < strend && *s >= ' ') | |
3562 | d = (*s++ - ' ') & 077; | |
3563 | else | |
3564 | d = 0; | |
4e35701f NIS |
3565 | hunk[0] = (a << 2) | (b >> 4); |
3566 | hunk[1] = (b << 4) | (c >> 2); | |
3567 | hunk[2] = (c << 6) | d; | |
3568 | sv_catpvn(sv, hunk, (len > 3) ? 3 : len); | |
a0d0e21e LW |
3569 | len -= 3; |
3570 | } | |
3571 | if (*s == '\n') | |
3572 | s++; | |
3573 | else if (s[1] == '\n') /* possible checksum byte */ | |
3574 | s += 2; | |
79072805 | 3575 | } |
a0d0e21e LW |
3576 | XPUSHs(sv_2mortal(sv)); |
3577 | break; | |
79072805 | 3578 | } |
a0d0e21e LW |
3579 | if (checksum) { |
3580 | sv = NEWSV(42, 0); | |
3581 | if (strchr("fFdD", datumtype) || | |
3582 | (checksum > 32 && strchr("iIlLN", datumtype)) ) { | |
3583 | double trouble; | |
79072805 | 3584 | |
a0d0e21e LW |
3585 | adouble = 1.0; |
3586 | while (checksum >= 16) { | |
3587 | checksum -= 16; | |
3588 | adouble *= 65536.0; | |
3589 | } | |
3590 | while (checksum >= 4) { | |
3591 | checksum -= 4; | |
3592 | adouble *= 16.0; | |
3593 | } | |
3594 | while (checksum--) | |
3595 | adouble *= 2.0; | |
3596 | along = (1 << checksum) - 1; | |
3597 | while (cdouble < 0.0) | |
3598 | cdouble += adouble; | |
3599 | cdouble = modf(cdouble / adouble, &trouble) * adouble; | |
3600 | sv_setnv(sv, cdouble); | |
3601 | } | |
3602 | else { | |
3603 | if (checksum < 32) { | |
96e4d5b1 | 3604 | aulong = (1 << checksum) - 1; |
3605 | culong &= aulong; | |
a0d0e21e | 3606 | } |
96e4d5b1 | 3607 | sv_setuv(sv, (UV)culong); |
a0d0e21e LW |
3608 | } |
3609 | XPUSHs(sv_2mortal(sv)); | |
3610 | checksum = 0; | |
79072805 | 3611 | } |
79072805 | 3612 | } |
924508f0 | 3613 | if (SP == oldsp && gimme == G_SCALAR) |
36477c24 | 3614 | PUSHs(&sv_undef); |
79072805 | 3615 | RETURN; |
79072805 LW |
3616 | } |
3617 | ||
76e3520e | 3618 | STATIC void |
8ac85365 | 3619 | doencodes(register SV *sv, register char *s, register I32 len) |
79072805 | 3620 | { |
a0d0e21e | 3621 | char hunk[5]; |
79072805 | 3622 | |
a0d0e21e LW |
3623 | *hunk = len + ' '; |
3624 | sv_catpvn(sv, hunk, 1); | |
3625 | hunk[4] = '\0'; | |
3626 | while (len > 0) { | |
3627 | hunk[0] = ' ' + (077 & (*s >> 2)); | |
4e35701f NIS |
3628 | hunk[1] = ' ' + (077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017))); |
3629 | hunk[2] = ' ' + (077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03))); | |
a0d0e21e LW |
3630 | hunk[3] = ' ' + (077 & (s[2] & 077)); |
3631 | sv_catpvn(sv, hunk, 4); | |
3632 | s += 3; | |
3633 | len -= 3; | |
3634 | } | |
3635 | for (s = SvPVX(sv); *s; s++) { | |
3636 | if (*s == ' ') | |
3637 | *s = '`'; | |
3638 | } | |
3639 | sv_catpvn(sv, "\n", 1); | |
79072805 LW |
3640 | } |
3641 | ||
76e3520e | 3642 | STATIC SV * |
8ac85365 | 3643 | is_an_int(char *s, STRLEN l) |
55497cff | 3644 | { |
3645 | SV *result = newSVpv("", l); | |
3646 | char *result_c = SvPV(result, na); /* convenience */ | |
3647 | char *out = result_c; | |
3648 | bool skip = 1; | |
3649 | bool ignore = 0; | |
3650 | ||
3651 | while (*s) { | |
3652 | switch (*s) { | |
3653 | case ' ': | |
3654 | break; | |
3655 | case '+': | |
3656 | if (!skip) { | |
3657 | SvREFCNT_dec(result); | |
3658 | return (NULL); | |
3659 | } | |
3660 | break; | |
3661 | case '0': | |
3662 | case '1': | |
3663 | case '2': | |
3664 | case '3': | |
3665 | case '4': | |
3666 | case '5': | |
3667 | case '6': | |
3668 | case '7': | |
3669 | case '8': | |
3670 | case '9': | |
3671 | skip = 0; | |
3672 | if (!ignore) { | |
3673 | *(out++) = *s; | |
3674 | } | |
3675 | break; | |
3676 | case '.': | |
3677 | ignore = 1; | |
3678 | break; | |
3679 | default: | |
3680 | SvREFCNT_dec(result); | |
3681 | return (NULL); | |
3682 | } | |
3683 | s++; | |
3684 | } | |
3685 | *(out++) = '\0'; | |
3686 | SvCUR_set(result, out - result_c); | |
3687 | return (result); | |
3688 | } | |
3689 | ||
76e3520e | 3690 | STATIC int |
61bb5906 | 3691 | div128(SV *pnum, bool *done) |
8ac85365 | 3692 | /* must be '\0' terminated */ |
8ec5e241 | 3693 | |
55497cff | 3694 | { |
3695 | STRLEN len; | |
3696 | char *s = SvPV(pnum, len); | |
3697 | int m = 0; | |
3698 | int r = 0; | |
3699 | char *t = s; | |
3700 | ||
3701 | *done = 1; | |
3702 | while (*t) { | |
3703 | int i; | |
3704 | ||
3705 | i = m * 10 + (*t - '0'); | |
3706 | m = i & 0x7F; | |
3707 | r = (i >> 7); /* r < 10 */ | |
3708 | if (r) { | |
3709 | *done = 0; | |
3710 | } | |
3711 | *(t++) = '0' + r; | |
3712 | } | |
3713 | *(t++) = '\0'; | |
3714 | SvCUR_set(pnum, (STRLEN) (t - s)); | |
3715 | return (m); | |
3716 | } | |
3717 | ||
3718 | ||
a0d0e21e | 3719 | PP(pp_pack) |
79072805 | 3720 | { |
4e35701f | 3721 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
3722 | register SV *cat = TARG; |
3723 | register I32 items; | |
3724 | STRLEN fromlen; | |
3725 | register char *pat = SvPVx(*++MARK, fromlen); | |
3726 | register char *patend = pat + fromlen; | |
3727 | register I32 len; | |
3728 | I32 datumtype; | |
3729 | SV *fromstr; | |
3730 | /*SUPPRESS 442*/ | |
3731 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; | |
3732 | static char *space10 = " "; | |
79072805 | 3733 | |
a0d0e21e LW |
3734 | /* These must not be in registers: */ |
3735 | char achar; | |
3736 | I16 ashort; | |
3737 | int aint; | |
3738 | unsigned int auint; | |
3739 | I32 along; | |
3740 | U32 aulong; | |
ecfc5424 AD |
3741 | #ifdef HAS_QUAD |
3742 | Quad_t aquad; | |
3743 | unsigned Quad_t auquad; | |
79072805 | 3744 | #endif |
a0d0e21e LW |
3745 | char *aptr; |
3746 | float afloat; | |
3747 | double adouble; | |
fb73857a | 3748 | int commas = 0; |
79072805 | 3749 | |
a0d0e21e LW |
3750 | items = SP - MARK; |
3751 | MARK++; | |
3752 | sv_setpvn(cat, "", 0); | |
3753 | while (pat < patend) { | |
3754 | #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no) | |
bbdab043 CS |
3755 | datumtype = *pat++ & 0xFF; |
3756 | if (isSPACE(datumtype)) | |
3757 | continue; | |
a0d0e21e LW |
3758 | if (*pat == '*') { |
3759 | len = strchr("@Xxu", datumtype) ? 0 : items; | |
3760 | pat++; | |
3761 | } | |
3762 | else if (isDIGIT(*pat)) { | |
3763 | len = *pat++ - '0'; | |
3764 | while (isDIGIT(*pat)) | |
3765 | len = (len * 10) + (*pat++ - '0'); | |
3766 | } | |
3767 | else | |
3768 | len = 1; | |
3769 | switch(datumtype) { | |
3770 | default: | |
bbdab043 | 3771 | croak("Invalid type in pack: '%c'", (int)datumtype); |
fb73857a | 3772 | case ',': /* grandfather in commas but with a warning */ |
3773 | if (commas++ == 0 && dowarn) | |
3774 | warn("Invalid type in pack: '%c'", (int)datumtype); | |
3775 | break; | |
a0d0e21e LW |
3776 | case '%': |
3777 | DIE("%% may only be used in unpack"); | |
3778 | case '@': | |
3779 | len -= SvCUR(cat); | |
3780 | if (len > 0) | |
3781 | goto grow; | |
3782 | len = -len; | |
3783 | if (len > 0) | |
3784 | goto shrink; | |
3785 | break; | |
3786 | case 'X': | |
3787 | shrink: | |
3788 | if (SvCUR(cat) < len) | |
3789 | DIE("X outside of string"); | |
3790 | SvCUR(cat) -= len; | |
3791 | *SvEND(cat) = '\0'; | |
3792 | break; | |
3793 | case 'x': | |
3794 | grow: | |
3795 | while (len >= 10) { | |
3796 | sv_catpvn(cat, null10, 10); | |
3797 | len -= 10; | |
3798 | } | |
3799 | sv_catpvn(cat, null10, len); | |
3800 | break; | |
3801 | case 'A': | |
3802 | case 'a': | |
3803 | fromstr = NEXTFROM; | |
3804 | aptr = SvPV(fromstr, fromlen); | |
3805 | if (pat[-1] == '*') | |
3806 | len = fromlen; | |
3807 | if (fromlen > len) | |
3808 | sv_catpvn(cat, aptr, len); | |
3809 | else { | |
3810 | sv_catpvn(cat, aptr, fromlen); | |
3811 | len -= fromlen; | |
3812 | if (datumtype == 'A') { | |
3813 | while (len >= 10) { | |
3814 | sv_catpvn(cat, space10, 10); | |
3815 | len -= 10; | |
3816 | } | |
3817 | sv_catpvn(cat, space10, len); | |
3818 | } | |
3819 | else { | |
3820 | while (len >= 10) { | |
3821 | sv_catpvn(cat, null10, 10); | |
3822 | len -= 10; | |
3823 | } | |
3824 | sv_catpvn(cat, null10, len); | |
3825 | } | |
3826 | } | |
3827 | break; | |
3828 | case 'B': | |
3829 | case 'b': | |
3830 | { | |
3831 | char *savepat = pat; | |
3832 | I32 saveitems; | |
79072805 | 3833 | |
a0d0e21e LW |
3834 | fromstr = NEXTFROM; |
3835 | saveitems = items; | |
3836 | aptr = SvPV(fromstr, fromlen); | |
3837 | if (pat[-1] == '*') | |
3838 | len = fromlen; | |
3839 | pat = aptr; | |
3840 | aint = SvCUR(cat); | |
3841 | SvCUR(cat) += (len+7)/8; | |
3842 | SvGROW(cat, SvCUR(cat) + 1); | |
3843 | aptr = SvPVX(cat) + aint; | |
3844 | if (len > fromlen) | |
3845 | len = fromlen; | |
3846 | aint = len; | |
3847 | items = 0; | |
3848 | if (datumtype == 'B') { | |
3849 | for (len = 0; len++ < aint;) { | |
3850 | items |= *pat++ & 1; | |
3851 | if (len & 7) | |
3852 | items <<= 1; | |
3853 | else { | |
3854 | *aptr++ = items & 0xff; | |
3855 | items = 0; | |
3856 | } | |
3857 | } | |
3858 | } | |
3859 | else { | |
3860 | for (len = 0; len++ < aint;) { | |
3861 | if (*pat++ & 1) | |
3862 | items |= 128; | |
3863 | if (len & 7) | |
3864 | items >>= 1; | |
3865 | else { | |
3866 | *aptr++ = items & 0xff; | |
3867 | items = 0; | |
3868 | } | |
3869 | } | |
3870 | } | |
3871 | if (aint & 7) { | |
3872 | if (datumtype == 'B') | |
3873 | items <<= 7 - (aint & 7); | |
3874 | else | |
3875 | items >>= 7 - (aint & 7); | |
3876 | *aptr++ = items & 0xff; | |
3877 | } | |
3878 | pat = SvPVX(cat) + SvCUR(cat); | |
3879 | while (aptr <= pat) | |
3880 | *aptr++ = '\0'; | |
79072805 | 3881 | |
a0d0e21e LW |
3882 | pat = savepat; |
3883 | items = saveitems; | |
3884 | } | |
3885 | break; | |
3886 | case 'H': | |
3887 | case 'h': | |
3888 | { | |
3889 | char *savepat = pat; | |
3890 | I32 saveitems; | |
79072805 | 3891 | |
a0d0e21e LW |
3892 | fromstr = NEXTFROM; |
3893 | saveitems = items; | |
3894 | aptr = SvPV(fromstr, fromlen); | |
3895 | if (pat[-1] == '*') | |
3896 | len = fromlen; | |
3897 | pat = aptr; | |
3898 | aint = SvCUR(cat); | |
3899 | SvCUR(cat) += (len+1)/2; | |
3900 | SvGROW(cat, SvCUR(cat) + 1); | |
3901 | aptr = SvPVX(cat) + aint; | |
3902 | if (len > fromlen) | |
3903 | len = fromlen; | |
3904 | aint = len; | |
3905 | items = 0; | |
3906 | if (datumtype == 'H') { | |
3907 | for (len = 0; len++ < aint;) { | |
3908 | if (isALPHA(*pat)) | |
3909 | items |= ((*pat++ & 15) + 9) & 15; | |
3910 | else | |
3911 | items |= *pat++ & 15; | |
3912 | if (len & 1) | |
3913 | items <<= 4; | |
3914 | else { | |
3915 | *aptr++ = items & 0xff; | |
3916 | items = 0; | |
3917 | } | |
3918 | } | |
3919 | } | |
3920 | else { | |
3921 | for (len = 0; len++ < aint;) { | |
3922 | if (isALPHA(*pat)) | |
3923 | items |= (((*pat++ & 15) + 9) & 15) << 4; | |
3924 | else | |
3925 | items |= (*pat++ & 15) << 4; | |
3926 | if (len & 1) | |
3927 | items >>= 4; | |
3928 | else { | |
3929 | *aptr++ = items & 0xff; | |
3930 | items = 0; | |
3931 | } | |
3932 | } | |
3933 | } | |
3934 | if (aint & 1) | |
3935 | *aptr++ = items & 0xff; | |
3936 | pat = SvPVX(cat) + SvCUR(cat); | |
3937 | while (aptr <= pat) | |
3938 | *aptr++ = '\0'; | |
79072805 | 3939 | |
a0d0e21e LW |
3940 | pat = savepat; |
3941 | items = saveitems; | |
3942 | } | |
3943 | break; | |
3944 | case 'C': | |
3945 | case 'c': | |
3946 | while (len-- > 0) { | |
3947 | fromstr = NEXTFROM; | |
3948 | aint = SvIV(fromstr); | |
3949 | achar = aint; | |
3950 | sv_catpvn(cat, &achar, sizeof(char)); | |
3951 | } | |
3952 | break; | |
3953 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ | |
3954 | case 'f': | |
3955 | case 'F': | |
3956 | while (len-- > 0) { | |
3957 | fromstr = NEXTFROM; | |
3958 | afloat = (float)SvNV(fromstr); | |
3959 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); | |
3960 | } | |
3961 | break; | |
3962 | case 'd': | |
3963 | case 'D': | |
3964 | while (len-- > 0) { | |
3965 | fromstr = NEXTFROM; | |
3966 | adouble = (double)SvNV(fromstr); | |
3967 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); | |
3968 | } | |
3969 | break; | |
3970 | case 'n': | |
3971 | while (len-- > 0) { | |
3972 | fromstr = NEXTFROM; | |
3973 | ashort = (I16)SvIV(fromstr); | |
3974 | #ifdef HAS_HTONS | |
6ad3d225 | 3975 | ashort = PerlSock_htons(ashort); |
79072805 | 3976 | #endif |
96e4d5b1 | 3977 | CAT16(cat, &ashort); |
a0d0e21e LW |
3978 | } |
3979 | break; | |
3980 | case 'v': | |
3981 | while (len-- > 0) { | |
3982 | fromstr = NEXTFROM; | |
3983 | ashort = (I16)SvIV(fromstr); | |
3984 | #ifdef HAS_HTOVS | |
3985 | ashort = htovs(ashort); | |
79072805 | 3986 | #endif |
96e4d5b1 | 3987 | CAT16(cat, &ashort); |
a0d0e21e LW |
3988 | } |
3989 | break; | |
3990 | case 'S': | |
3991 | case 's': | |
3992 | while (len-- > 0) { | |
3993 | fromstr = NEXTFROM; | |
3994 | ashort = (I16)SvIV(fromstr); | |
96e4d5b1 | 3995 | CAT16(cat, &ashort); |
a0d0e21e LW |
3996 | } |
3997 | break; | |
3998 | case 'I': | |
3999 | while (len-- > 0) { | |
4000 | fromstr = NEXTFROM; | |
96e4d5b1 | 4001 | auint = SvUV(fromstr); |
a0d0e21e LW |
4002 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
4003 | } | |
4004 | break; | |
def98dd4 UP |
4005 | case 'w': |
4006 | while (len-- > 0) { | |
bbce6d69 | 4007 | fromstr = NEXTFROM; |
4008 | adouble = floor(SvNV(fromstr)); | |
4009 | ||
4010 | if (adouble < 0) | |
4011 | croak("Cannot compress negative numbers"); | |
4012 | ||
46fc3d4c | 4013 | if ( |
4014 | #ifdef BW_BITS | |
4015 | adouble <= BW_MASK | |
4016 | #else | |
ef2d312d TH |
4017 | #ifdef CXUX_BROKEN_CONSTANT_CONVERT |
4018 | adouble <= UV_MAX_cxux | |
4019 | #else | |
46fc3d4c | 4020 | adouble <= UV_MAX |
4021 | #endif | |
ef2d312d | 4022 | #endif |
46fc3d4c | 4023 | ) |
4024 | { | |
bbce6d69 | 4025 | char buf[1 + sizeof(UV)]; |
4026 | char *in = buf + sizeof(buf); | |
4027 | UV auv = U_V(adouble);; | |
4028 | ||
4029 | do { | |
4030 | *--in = (auv & 0x7f) | 0x80; | |
4031 | auv >>= 7; | |
4032 | } while (auv); | |
4033 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
4034 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
4035 | } | |
4036 | else if (SvPOKp(fromstr)) { /* decimal string arithmetics */ | |
4037 | char *from, *result, *in; | |
4038 | SV *norm; | |
4039 | STRLEN len; | |
4040 | bool done; | |
8ec5e241 | 4041 | |
bbce6d69 | 4042 | /* Copy string and check for compliance */ |
4043 | from = SvPV(fromstr, len); | |
4044 | if ((norm = is_an_int(from, len)) == NULL) | |
4045 | croak("can compress only unsigned integer"); | |
4046 | ||
4047 | New('w', result, len, char); | |
4048 | in = result + len; | |
4049 | done = FALSE; | |
4050 | while (!done) | |
4051 | *--in = div128(norm, &done) | 0x80; | |
4052 | result[len - 1] &= 0x7F; /* clear continue bit */ | |
4053 | sv_catpvn(cat, in, (result + len) - in); | |
5f05dabc | 4054 | Safefree(result); |
bbce6d69 | 4055 | SvREFCNT_dec(norm); /* free norm */ |
def98dd4 | 4056 | } |
bbce6d69 | 4057 | else if (SvNOKp(fromstr)) { |
4058 | char buf[sizeof(double) * 2]; /* 8/7 <= 2 */ | |
4059 | char *in = buf + sizeof(buf); | |
4060 | ||
4061 | do { | |
4062 | double next = floor(adouble / 128); | |
4063 | *--in = (unsigned char)(adouble - (next * 128)) | 0x80; | |
4064 | if (--in < buf) /* this cannot happen ;-) */ | |
4065 | croak ("Cannot compress integer"); | |
4066 | adouble = next; | |
4067 | } while (adouble > 0); | |
4068 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
4069 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
4070 | } | |
4071 | else | |
4072 | croak("Cannot compress non integer"); | |
4073 | } | |
def98dd4 | 4074 | break; |
a0d0e21e LW |
4075 | case 'i': |
4076 | while (len-- > 0) { | |
4077 | fromstr = NEXTFROM; | |
4078 | aint = SvIV(fromstr); | |
4079 | sv_catpvn(cat, (char*)&aint, sizeof(int)); | |
4080 | } | |
4081 | break; | |
4082 | case 'N': | |
4083 | while (len-- > 0) { | |
4084 | fromstr = NEXTFROM; | |
96e4d5b1 | 4085 | aulong = SvUV(fromstr); |
a0d0e21e | 4086 | #ifdef HAS_HTONL |
6ad3d225 | 4087 | aulong = PerlSock_htonl(aulong); |
79072805 | 4088 | #endif |
96e4d5b1 | 4089 | CAT32(cat, &aulong); |
a0d0e21e LW |
4090 | } |
4091 | break; | |
4092 | case 'V': | |
4093 | while (len-- > 0) { | |
4094 | fromstr = NEXTFROM; | |
96e4d5b1 | 4095 | aulong = SvUV(fromstr); |
a0d0e21e LW |
4096 | #ifdef HAS_HTOVL |
4097 | aulong = htovl(aulong); | |
79072805 | 4098 | #endif |
96e4d5b1 | 4099 | CAT32(cat, &aulong); |
a0d0e21e LW |
4100 | } |
4101 | break; | |
4102 | case 'L': | |
4103 | while (len-- > 0) { | |
4104 | fromstr = NEXTFROM; | |
96e4d5b1 | 4105 | aulong = SvUV(fromstr); |
4106 | CAT32(cat, &aulong); | |
a0d0e21e LW |
4107 | } |
4108 | break; | |
4109 | case 'l': | |
4110 | while (len-- > 0) { | |
4111 | fromstr = NEXTFROM; | |
4112 | along = SvIV(fromstr); | |
96e4d5b1 | 4113 | CAT32(cat, &along); |
a0d0e21e LW |
4114 | } |
4115 | break; | |
ecfc5424 | 4116 | #ifdef HAS_QUAD |
a0d0e21e LW |
4117 | case 'Q': |
4118 | while (len-- > 0) { | |
4119 | fromstr = NEXTFROM; | |
ecfc5424 AD |
4120 | auquad = (unsigned Quad_t)SvIV(fromstr); |
4121 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t)); | |
a0d0e21e LW |
4122 | } |
4123 | break; | |
4124 | case 'q': | |
4125 | while (len-- > 0) { | |
4126 | fromstr = NEXTFROM; | |
ecfc5424 AD |
4127 | aquad = (Quad_t)SvIV(fromstr); |
4128 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); | |
a0d0e21e LW |
4129 | } |
4130 | break; | |
ecfc5424 | 4131 | #endif /* HAS_QUAD */ |
a0d0e21e LW |
4132 | case 'P': |
4133 | len = 1; /* assume SV is correct length */ | |
4134 | /* FALL THROUGH */ | |
4135 | case 'p': | |
4136 | while (len-- > 0) { | |
4137 | fromstr = NEXTFROM; | |
72dbcb4b | 4138 | if (fromstr == &sv_undef) |
84902520 | 4139 | aptr = NULL; |
72dbcb4b | 4140 | else { |
84902520 TB |
4141 | /* XXX better yet, could spirit away the string to |
4142 | * a safe spot and hang on to it until the result | |
4143 | * of pack() (and all copies of the result) are | |
4144 | * gone. | |
4145 | */ | |
4146 | if (dowarn && (SvTEMP(fromstr) || SvPADTMP(fromstr))) | |
4147 | warn("Attempt to pack pointer to temporary value"); | |
4148 | if (SvPOK(fromstr) || SvNIOK(fromstr)) | |
4149 | aptr = SvPV(fromstr,na); | |
4150 | else | |
4151 | aptr = SvPV_force(fromstr,na); | |
72dbcb4b | 4152 | } |
a0d0e21e LW |
4153 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
4154 | } | |
4155 | break; | |
4156 | case 'u': | |
4157 | fromstr = NEXTFROM; | |
4158 | aptr = SvPV(fromstr, fromlen); | |
4159 | SvGROW(cat, fromlen * 4 / 3); | |
4160 | if (len <= 1) | |
4161 | len = 45; | |
4162 | else | |
4163 | len = len / 3 * 3; | |
4164 | while (fromlen > 0) { | |
4165 | I32 todo; | |
79072805 | 4166 | |
a0d0e21e LW |
4167 | if (fromlen > len) |
4168 | todo = len; | |
4169 | else | |
4170 | todo = fromlen; | |
4171 | doencodes(cat, aptr, todo); | |
4172 | fromlen -= todo; | |
4173 | aptr += todo; | |
4174 | } | |
4175 | break; | |
4176 | } | |
4177 | } | |
4178 | SvSETMAGIC(cat); | |
4179 | SP = ORIGMARK; | |
4180 | PUSHs(cat); | |
4181 | RETURN; | |
79072805 | 4182 | } |
a0d0e21e | 4183 | #undef NEXTFROM |
79072805 | 4184 | |
8ec5e241 | 4185 | |
a0d0e21e | 4186 | PP(pp_split) |
79072805 | 4187 | { |
4e35701f | 4188 | djSP; dTARG; |
a0d0e21e LW |
4189 | AV *ary; |
4190 | register I32 limit = POPi; /* note, negative is forever */ | |
4191 | SV *sv = POPs; | |
4192 | STRLEN len; | |
4193 | register char *s = SvPV(sv, len); | |
4194 | char *strend = s + len; | |
44a8e56a | 4195 | register PMOP *pm; |
d9f97599 | 4196 | register REGEXP *rx; |
a0d0e21e LW |
4197 | register SV *dstr; |
4198 | register char *m; | |
4199 | I32 iters = 0; | |
4200 | I32 maxiters = (strend - s) + 10; | |
4201 | I32 i; | |
4202 | char *orig; | |
4203 | I32 origlimit = limit; | |
4204 | I32 realarray = 0; | |
4205 | I32 base; | |
f12c7020 | 4206 | AV *oldstack = curstack; |
54310121 | 4207 | I32 gimme = GIMME_V; |
c07a80fd | 4208 | I32 oldsave = savestack_ix; |
8ec5e241 NIS |
4209 | I32 make_mortal = 1; |
4210 | MAGIC *mg = (MAGIC *) NULL; | |
79072805 | 4211 | |
44a8e56a | 4212 | #ifdef DEBUGGING |
4213 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
4214 | #else | |
4215 | pm = (PMOP*)POPs; | |
4216 | #endif | |
a0d0e21e LW |
4217 | if (!pm || !s) |
4218 | DIE("panic: do_split"); | |
d9f97599 | 4219 | rx = pm->op_pmregexp; |
bbce6d69 | 4220 | |
4221 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
4222 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
4223 | ||
a0d0e21e LW |
4224 | if (pm->op_pmreplroot) |
4225 | ary = GvAVn((GV*)pm->op_pmreplroot); | |
4226 | else if (gimme != G_ARRAY) | |
6d4ff0d2 MB |
4227 | #ifdef USE_THREADS |
4228 | ary = (AV*)curpad[0]; | |
4229 | #else | |
a0d0e21e | 4230 | ary = GvAVn(defgv); |
6d4ff0d2 | 4231 | #endif /* USE_THREADS */ |
79072805 | 4232 | else |
a0d0e21e LW |
4233 | ary = Nullav; |
4234 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
4235 | realarray = 1; | |
8ec5e241 | 4236 | PUTBACK; |
a0d0e21e LW |
4237 | av_extend(ary,0); |
4238 | av_clear(ary); | |
8ec5e241 NIS |
4239 | SPAGAIN; |
4240 | if (SvRMAGICAL(ary) && (mg = mg_find((SV *) ary, 'P'))) { | |
4241 | PUSHMARK(SP); | |
4242 | XPUSHs(mg->mg_obj); | |
4243 | } | |
4244 | else { | |
1c0b011c NIS |
4245 | if (!AvREAL(ary)) { |
4246 | AvREAL_on(ary); | |
4247 | for (i = AvFILLp(ary); i >= 0; i--) | |
4248 | AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */ | |
4249 | } | |
4250 | /* temporarily switch stacks */ | |
4251 | SWITCHSTACK(curstack, ary); | |
8ec5e241 | 4252 | make_mortal = 0; |
1c0b011c | 4253 | } |
79072805 | 4254 | } |
a0d0e21e LW |
4255 | base = SP - stack_base; |
4256 | orig = s; | |
4257 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 4258 | if (pm->op_pmflags & PMf_LOCALE) { |
4259 | while (isSPACE_LC(*s)) | |
4260 | s++; | |
4261 | } | |
4262 | else { | |
4263 | while (isSPACE(*s)) | |
4264 | s++; | |
4265 | } | |
a0d0e21e | 4266 | } |
c07a80fd | 4267 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
4268 | SAVEINT(multiline); | |
4269 | multiline = pm->op_pmflags & PMf_MULTILINE; | |
4270 | } | |
4271 | ||
a0d0e21e LW |
4272 | if (!limit) |
4273 | limit = maxiters + 2; | |
4274 | if (pm->op_pmflags & PMf_WHITE) { | |
4275 | while (--limit) { | |
bbce6d69 | 4276 | m = s; |
4277 | while (m < strend && | |
4278 | !((pm->op_pmflags & PMf_LOCALE) | |
4279 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
4280 | ++m; | |
a0d0e21e LW |
4281 | if (m >= strend) |
4282 | break; | |
bbce6d69 | 4283 | |
a0d0e21e LW |
4284 | dstr = NEWSV(30, m-s); |
4285 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4286 | if (make_mortal) |
a0d0e21e LW |
4287 | sv_2mortal(dstr); |
4288 | XPUSHs(dstr); | |
bbce6d69 | 4289 | |
4290 | s = m + 1; | |
4291 | while (s < strend && | |
4292 | ((pm->op_pmflags & PMf_LOCALE) | |
4293 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
4294 | ++s; | |
79072805 LW |
4295 | } |
4296 | } | |
d9f97599 | 4297 | else if (strEQ("^", rx->precomp)) { |
a0d0e21e LW |
4298 | while (--limit) { |
4299 | /*SUPPRESS 530*/ | |
4300 | for (m = s; m < strend && *m != '\n'; m++) ; | |
4301 | m++; | |
4302 | if (m >= strend) | |
4303 | break; | |
4304 | dstr = NEWSV(30, m-s); | |
4305 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4306 | if (make_mortal) |
a0d0e21e LW |
4307 | sv_2mortal(dstr); |
4308 | XPUSHs(dstr); | |
4309 | s = m; | |
4310 | } | |
4311 | } | |
d9f97599 GS |
4312 | else if (rx->check_substr && !rx->nparens |
4313 | && (rx->reganch & ROPT_CHECK_ALL) | |
4314 | && !(rx->reganch & ROPT_ANCH)) { | |
4315 | i = SvCUR(rx->check_substr); | |
4316 | if (i == 1 && !SvTAIL(rx->check_substr)) { | |
4317 | i = *SvPVX(rx->check_substr); | |
a0d0e21e | 4318 | while (--limit) { |
bbce6d69 | 4319 | /*SUPPRESS 530*/ |
4320 | for (m = s; m < strend && *m != i; m++) ; | |
a0d0e21e LW |
4321 | if (m >= strend) |
4322 | break; | |
4323 | dstr = NEWSV(30, m-s); | |
4324 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4325 | if (make_mortal) |
a0d0e21e LW |
4326 | sv_2mortal(dstr); |
4327 | XPUSHs(dstr); | |
4328 | s = m + 1; | |
4329 | } | |
4330 | } | |
4331 | else { | |
4332 | #ifndef lint | |
4333 | while (s < strend && --limit && | |
4334 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, | |
d9f97599 | 4335 | rx->check_substr)) ) |
79072805 | 4336 | #endif |
a0d0e21e LW |
4337 | { |
4338 | dstr = NEWSV(31, m-s); | |
4339 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4340 | if (make_mortal) |
a0d0e21e LW |
4341 | sv_2mortal(dstr); |
4342 | XPUSHs(dstr); | |
4343 | s = m + i; | |
4344 | } | |
463ee0b2 | 4345 | } |
463ee0b2 | 4346 | } |
a0d0e21e | 4347 | else { |
d9f97599 | 4348 | maxiters += (strend - s) * rx->nparens; |
a0d0e21e | 4349 | while (s < strend && --limit && |
d9f97599 | 4350 | regexec_flags(rx, s, strend, orig, 1, Nullsv, NULL, 0)) |
bbce6d69 | 4351 | { |
d9f97599 GS |
4352 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
4353 | if (rx->subbase | |
4354 | && rx->subbase != orig) { | |
a0d0e21e LW |
4355 | m = s; |
4356 | s = orig; | |
d9f97599 | 4357 | orig = rx->subbase; |
a0d0e21e LW |
4358 | s = orig + (m - s); |
4359 | strend = s + (strend - m); | |
4360 | } | |
d9f97599 | 4361 | m = rx->startp[0]; |
a0d0e21e LW |
4362 | dstr = NEWSV(32, m-s); |
4363 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4364 | if (make_mortal) |
a0d0e21e LW |
4365 | sv_2mortal(dstr); |
4366 | XPUSHs(dstr); | |
d9f97599 GS |
4367 | if (rx->nparens) { |
4368 | for (i = 1; i <= rx->nparens; i++) { | |
4369 | s = rx->startp[i]; | |
4370 | m = rx->endp[i]; | |
748a9306 LW |
4371 | if (m && s) { |
4372 | dstr = NEWSV(33, m-s); | |
4373 | sv_setpvn(dstr, s, m-s); | |
4374 | } | |
4375 | else | |
4376 | dstr = NEWSV(33, 0); | |
8ec5e241 | 4377 | if (make_mortal) |
a0d0e21e LW |
4378 | sv_2mortal(dstr); |
4379 | XPUSHs(dstr); | |
4380 | } | |
4381 | } | |
d9f97599 | 4382 | s = rx->endp[0]; |
a0d0e21e | 4383 | } |
79072805 | 4384 | } |
8ec5e241 | 4385 | |
c07a80fd | 4386 | LEAVE_SCOPE(oldsave); |
a0d0e21e LW |
4387 | iters = (SP - stack_base) - base; |
4388 | if (iters > maxiters) | |
4389 | DIE("Split loop"); | |
8ec5e241 | 4390 | |
a0d0e21e LW |
4391 | /* keep field after final delim? */ |
4392 | if (s < strend || (iters && origlimit)) { | |
4393 | dstr = NEWSV(34, strend-s); | |
4394 | sv_setpvn(dstr, s, strend-s); | |
8ec5e241 | 4395 | if (make_mortal) |
a0d0e21e LW |
4396 | sv_2mortal(dstr); |
4397 | XPUSHs(dstr); | |
4398 | iters++; | |
79072805 | 4399 | } |
a0d0e21e | 4400 | else if (!origlimit) { |
b1dadf13 | 4401 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e LW |
4402 | iters--, SP--; |
4403 | } | |
8ec5e241 | 4404 | |
a0d0e21e | 4405 | if (realarray) { |
8ec5e241 | 4406 | if (!mg) { |
1c0b011c NIS |
4407 | SWITCHSTACK(ary, oldstack); |
4408 | if (SvSMAGICAL(ary)) { | |
4409 | PUTBACK; | |
4410 | mg_set((SV*)ary); | |
4411 | SPAGAIN; | |
4412 | } | |
4413 | if (gimme == G_ARRAY) { | |
4414 | EXTEND(SP, iters); | |
4415 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
4416 | SP += iters; | |
4417 | RETURN; | |
4418 | } | |
8ec5e241 | 4419 | } |
1c0b011c | 4420 | else { |
fb73857a | 4421 | PUTBACK; |
8ec5e241 NIS |
4422 | ENTER; |
4423 | perl_call_method("PUSH",G_SCALAR|G_DISCARD); | |
4424 | LEAVE; | |
fb73857a | 4425 | SPAGAIN; |
8ec5e241 NIS |
4426 | if (gimme == G_ARRAY) { |
4427 | /* EXTEND should not be needed - we just popped them */ | |
4428 | EXTEND(SP, iters); | |
4429 | for (i=0; i < iters; i++) { | |
4430 | SV **svp = av_fetch(ary, i, FALSE); | |
4431 | PUSHs((svp) ? *svp : &sv_undef); | |
4432 | } | |
1c0b011c NIS |
4433 | RETURN; |
4434 | } | |
a0d0e21e LW |
4435 | } |
4436 | } | |
4437 | else { | |
4438 | if (gimme == G_ARRAY) | |
4439 | RETURN; | |
4440 | } | |
4441 | if (iters || !pm->op_pmreplroot) { | |
4442 | GETTARGET; | |
4443 | PUSHi(iters); | |
4444 | RETURN; | |
4445 | } | |
4446 | RETPUSHUNDEF; | |
79072805 | 4447 | } |
85e6fe83 | 4448 | |
c0329465 | 4449 | #ifdef USE_THREADS |
77a005ab | 4450 | void |
8ac85365 | 4451 | unlock_condpair(void *svv) |
c0329465 MB |
4452 | { |
4453 | dTHR; | |
4454 | MAGIC *mg = mg_find((SV*)svv, 'm'); | |
8ec5e241 | 4455 | |
c0329465 MB |
4456 | if (!mg) |
4457 | croak("panic: unlock_condpair unlocking non-mutex"); | |
4458 | MUTEX_LOCK(MgMUTEXP(mg)); | |
4459 | if (MgOWNER(mg) != thr) | |
4460 | croak("panic: unlock_condpair unlocking mutex that we don't own"); | |
4461 | MgOWNER(mg) = 0; | |
4462 | COND_SIGNAL(MgOWNERCONDP(mg)); | |
bc1f4c86 MB |
4463 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: unlock 0x%lx\n", |
4464 | (unsigned long)thr, (unsigned long)svv);) | |
c0329465 MB |
4465 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
4466 | } | |
4467 | #endif /* USE_THREADS */ | |
4468 | ||
4469 | PP(pp_lock) | |
4470 | { | |
4e35701f | 4471 | djSP; |
c0329465 | 4472 | dTOPss; |
e55aaa0e MB |
4473 | SV *retsv = sv; |
4474 | #ifdef USE_THREADS | |
c0329465 | 4475 | MAGIC *mg; |
8ec5e241 | 4476 | |
c0329465 MB |
4477 | if (SvROK(sv)) |
4478 | sv = SvRV(sv); | |
4479 | ||
4480 | mg = condpair_magic(sv); | |
4481 | MUTEX_LOCK(MgMUTEXP(mg)); | |
4482 | if (MgOWNER(mg) == thr) | |
4483 | MUTEX_UNLOCK(MgMUTEXP(mg)); | |
4484 | else { | |
4485 | while (MgOWNER(mg)) | |
4486 | COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg)); | |
4487 | MgOWNER(mg) = thr; | |
bc1f4c86 MB |
4488 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: pp_lock lock 0x%lx\n", |
4489 | (unsigned long)thr, (unsigned long)sv);) | |
c0329465 | 4490 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
e55aaa0e | 4491 | SvREFCNT_inc(sv); /* keep alive until magic_mutexfree */ |
c0329465 MB |
4492 | save_destructor(unlock_condpair, sv); |
4493 | } | |
4494 | #endif /* USE_THREADS */ | |
e55aaa0e MB |
4495 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
4496 | || SvTYPE(retsv) == SVt_PVCV) { | |
4497 | retsv = refto(retsv); | |
4498 | } | |
4499 | SETs(retsv); | |
c0329465 MB |
4500 | RETURN; |
4501 | } | |
a863c7d1 | 4502 | |
2faa37cc | 4503 | PP(pp_threadsv) |
a863c7d1 | 4504 | { |
12f917ad | 4505 | djSP; |
57d3b86d | 4506 | #ifdef USE_THREADS |
924508f0 | 4507 | EXTEND(SP, 1); |
554b3eca | 4508 | if (op->op_private & OPpLVAL_INTRO) |
54b9620d | 4509 | PUSHs(*save_threadsv(op->op_targ)); |
554b3eca | 4510 | else |
940cb80d | 4511 | PUSHs(THREADSV(op->op_targ)); |
fdb47d66 | 4512 | RETURN; |
a863c7d1 | 4513 | #else |
2faa37cc | 4514 | DIE("tried to access per-thread data in non-threaded perl"); |
a863c7d1 | 4515 | #endif /* USE_THREADS */ |
a863c7d1 | 4516 | } |