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 | ||
71be2cbc | 104 | static void doencodes _((SV* sv, char* s, I32 len)); |
93dc8474 CS |
105 | static SV* refto _((SV* sv)); |
106 | static U32 seed _((void)); | |
107 | ||
108 | static bool srand_called = FALSE; | |
79072805 | 109 | |
a0d0e21e | 110 | /* variations on pp_null */ |
79072805 | 111 | |
8ac85365 NIS |
112 | #ifdef I_UNISTD |
113 | #include <unistd.h> | |
114 | #endif | |
dfe9444c AD |
115 | |
116 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ | |
117 | it, since pid_t is an integral type. | |
118 | --AD 2/20/1998 | |
119 | */ | |
120 | #ifdef NEED_GETPID_PROTO | |
121 | extern Pid_t getpid (void); | |
8ac85365 NIS |
122 | #endif |
123 | ||
93a17b20 LW |
124 | PP(pp_stub) |
125 | { | |
4e35701f | 126 | djSP; |
54310121 | 127 | if (GIMME_V == G_SCALAR) |
93a17b20 | 128 | XPUSHs(&sv_undef); |
93a17b20 LW |
129 | RETURN; |
130 | } | |
131 | ||
79072805 LW |
132 | PP(pp_scalar) |
133 | { | |
134 | return NORMAL; | |
135 | } | |
136 | ||
137 | /* Pushy stuff. */ | |
138 | ||
93a17b20 LW |
139 | PP(pp_padav) |
140 | { | |
4e35701f | 141 | djSP; dTARGET; |
a0d0e21e | 142 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 | 143 | SAVECLEARSV(curpad[op->op_targ]); |
85e6fe83 | 144 | EXTEND(SP, 1); |
a0d0e21e | 145 | if (op->op_flags & OPf_REF) { |
85e6fe83 | 146 | PUSHs(TARG); |
93a17b20 | 147 | RETURN; |
85e6fe83 LW |
148 | } |
149 | if (GIMME == G_ARRAY) { | |
150 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
8ec5e241 | 151 | EXTEND(SP, maxarg); |
93965878 NIS |
152 | if (SvMAGICAL(TARG)) { |
153 | U32 i; | |
154 | for (i=0; i < maxarg; i++) { | |
155 | SV **svp = av_fetch((AV*)TARG, i, FALSE); | |
156 | SP[i+1] = (svp) ? *svp : &sv_undef; | |
157 | } | |
158 | } | |
159 | else { | |
160 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
161 | } | |
85e6fe83 LW |
162 | SP += maxarg; |
163 | } | |
164 | else { | |
165 | SV* sv = sv_newmortal(); | |
166 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
167 | sv_setiv(sv, maxarg); | |
168 | PUSHs(sv); | |
169 | } | |
170 | RETURN; | |
93a17b20 LW |
171 | } |
172 | ||
173 | PP(pp_padhv) | |
174 | { | |
4e35701f | 175 | djSP; dTARGET; |
54310121 | 176 | I32 gimme; |
177 | ||
93a17b20 | 178 | XPUSHs(TARG); |
a0d0e21e | 179 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 | 180 | SAVECLEARSV(curpad[op->op_targ]); |
a0d0e21e | 181 | if (op->op_flags & OPf_REF) |
93a17b20 | 182 | RETURN; |
54310121 | 183 | gimme = GIMME_V; |
184 | if (gimme == G_ARRAY) { | |
a0d0e21e | 185 | RETURNOP(do_kv(ARGS)); |
85e6fe83 | 186 | } |
54310121 | 187 | else if (gimme == G_SCALAR) { |
85e6fe83 | 188 | SV* sv = sv_newmortal(); |
46fc3d4c | 189 | if (HvFILL((HV*)TARG)) |
190 | sv_setpvf(sv, "%ld/%ld", | |
191 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); | |
85e6fe83 LW |
192 | else |
193 | sv_setiv(sv, 0); | |
194 | SETs(sv); | |
85e6fe83 | 195 | } |
54310121 | 196 | RETURN; |
93a17b20 LW |
197 | } |
198 | ||
ed6116ce LW |
199 | PP(pp_padany) |
200 | { | |
201 | DIE("NOT IMPL LINE %d",__LINE__); | |
202 | } | |
203 | ||
79072805 LW |
204 | /* Translations. */ |
205 | ||
206 | PP(pp_rv2gv) | |
207 | { | |
4e35701f | 208 | djSP; dTOPss; |
8ec5e241 | 209 | |
ed6116ce | 210 | if (SvROK(sv)) { |
a0d0e21e | 211 | wasref: |
ed6116ce | 212 | sv = SvRV(sv); |
b1dadf13 | 213 | if (SvTYPE(sv) == SVt_PVIO) { |
214 | GV *gv = (GV*) sv_newmortal(); | |
215 | gv_init(gv, 0, "", 0, 0); | |
216 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 217 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 218 | sv = (SV*) gv; |
219 | } else if (SvTYPE(sv) != SVt_PVGV) | |
a0d0e21e | 220 | DIE("Not a GLOB reference"); |
79072805 LW |
221 | } |
222 | else { | |
93a17b20 | 223 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 LW |
224 | char *sym; |
225 | ||
a0d0e21e LW |
226 | if (SvGMAGICAL(sv)) { |
227 | mg_get(sv); | |
228 | if (SvROK(sv)) | |
229 | goto wasref; | |
230 | } | |
231 | if (!SvOK(sv)) { | |
232 | if (op->op_flags & OPf_REF || | |
233 | op->op_private & HINT_STRICT_REFS) | |
234 | DIE(no_usym, "a symbol"); | |
d83e6520 CS |
235 | if (dowarn) |
236 | warn(warn_uninit); | |
a0d0e21e LW |
237 | RETSETUNDEF; |
238 | } | |
748a9306 | 239 | sym = SvPV(sv, na); |
85e6fe83 | 240 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 LW |
241 | DIE(no_symref, sym, "a symbol"); |
242 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); | |
93a17b20 | 243 | } |
79072805 | 244 | } |
5f05dabc | 245 | if (op->op_private & OPpLVAL_INTRO) |
246 | save_gp((GV*)sv, !(op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
247 | SETs(sv); |
248 | RETURN; | |
249 | } | |
250 | ||
79072805 LW |
251 | PP(pp_rv2sv) |
252 | { | |
4e35701f | 253 | djSP; dTOPss; |
79072805 | 254 | |
ed6116ce | 255 | if (SvROK(sv)) { |
a0d0e21e | 256 | wasref: |
ed6116ce | 257 | sv = SvRV(sv); |
79072805 LW |
258 | switch (SvTYPE(sv)) { |
259 | case SVt_PVAV: | |
260 | case SVt_PVHV: | |
261 | case SVt_PVCV: | |
a0d0e21e | 262 | DIE("Not a SCALAR reference"); |
79072805 LW |
263 | } |
264 | } | |
265 | else { | |
f12c7020 | 266 | GV *gv = (GV*)sv; |
748a9306 LW |
267 | char *sym; |
268 | ||
463ee0b2 | 269 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
270 | if (SvGMAGICAL(sv)) { |
271 | mg_get(sv); | |
272 | if (SvROK(sv)) | |
273 | goto wasref; | |
274 | } | |
275 | if (!SvOK(sv)) { | |
276 | if (op->op_flags & OPf_REF || | |
277 | op->op_private & HINT_STRICT_REFS) | |
278 | DIE(no_usym, "a SCALAR"); | |
d83e6520 CS |
279 | if (dowarn) |
280 | warn(warn_uninit); | |
a0d0e21e LW |
281 | RETSETUNDEF; |
282 | } | |
748a9306 | 283 | sym = SvPV(sv, na); |
85e6fe83 | 284 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 | 285 | DIE(no_symref, sym, "a SCALAR"); |
f12c7020 | 286 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
463ee0b2 LW |
287 | } |
288 | sv = GvSV(gv); | |
a0d0e21e LW |
289 | } |
290 | if (op->op_flags & OPf_MOD) { | |
291 | if (op->op_private & OPpLVAL_INTRO) | |
292 | sv = save_scalar((GV*)TOPs); | |
5f05dabc | 293 | else if (op->op_private & OPpDEREF) |
68dc0745 | 294 | vivify_ref(sv, op->op_private & OPpDEREF); |
79072805 | 295 | } |
a0d0e21e | 296 | SETs(sv); |
79072805 LW |
297 | RETURN; |
298 | } | |
299 | ||
300 | PP(pp_av2arylen) | |
301 | { | |
4e35701f | 302 | djSP; |
79072805 LW |
303 | AV *av = (AV*)TOPs; |
304 | SV *sv = AvARYLEN(av); | |
305 | if (!sv) { | |
306 | AvARYLEN(av) = sv = NEWSV(0,0); | |
307 | sv_upgrade(sv, SVt_IV); | |
308 | sv_magic(sv, (SV*)av, '#', Nullch, 0); | |
309 | } | |
310 | SETs(sv); | |
311 | RETURN; | |
312 | } | |
313 | ||
a0d0e21e LW |
314 | PP(pp_pos) |
315 | { | |
4e35701f | 316 | djSP; dTARGET; dPOPss; |
8ec5e241 | 317 | |
a0d0e21e | 318 | if (op->op_flags & OPf_MOD) { |
5f05dabc | 319 | if (SvTYPE(TARG) < SVt_PVLV) { |
320 | sv_upgrade(TARG, SVt_PVLV); | |
321 | sv_magic(TARG, Nullsv, '.', Nullch, 0); | |
322 | } | |
323 | ||
324 | LvTYPE(TARG) = '.'; | |
a0d0e21e LW |
325 | LvTARG(TARG) = sv; |
326 | PUSHs(TARG); /* no SvSETMAGIC */ | |
327 | RETURN; | |
328 | } | |
329 | else { | |
8ec5e241 | 330 | MAGIC* mg; |
a0d0e21e LW |
331 | |
332 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
333 | mg = mg_find(sv, 'g'); | |
334 | if (mg && mg->mg_len >= 0) { | |
335 | PUSHi(mg->mg_len + curcop->cop_arybase); | |
336 | RETURN; | |
337 | } | |
338 | } | |
339 | RETPUSHUNDEF; | |
340 | } | |
341 | } | |
342 | ||
79072805 LW |
343 | PP(pp_rv2cv) |
344 | { | |
4e35701f | 345 | djSP; |
79072805 LW |
346 | GV *gv; |
347 | HV *stash; | |
8990e307 | 348 | |
4633a7c4 LW |
349 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
350 | /* (But not in defined().) */ | |
351 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL)); | |
07055b4c CS |
352 | if (cv) { |
353 | if (CvCLONE(cv)) | |
354 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
355 | } | |
356 | else | |
4633a7c4 | 357 | cv = (CV*)&sv_undef; |
79072805 LW |
358 | SETs((SV*)cv); |
359 | RETURN; | |
360 | } | |
361 | ||
c07a80fd | 362 | PP(pp_prototype) |
363 | { | |
4e35701f | 364 | djSP; |
c07a80fd | 365 | CV *cv; |
366 | HV *stash; | |
367 | GV *gv; | |
368 | SV *ret; | |
369 | ||
370 | ret = &sv_undef; | |
b6c543e3 IZ |
371 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
372 | char *s = SvPVX(TOPs); | |
373 | if (strnEQ(s, "CORE::", 6)) { | |
374 | int code; | |
375 | ||
376 | code = keyword(s + 6, SvCUR(TOPs) - 6); | |
377 | if (code < 0) { /* Overridable. */ | |
378 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
379 | int i = 0, n = 0, seen_question = 0; | |
380 | I32 oa; | |
381 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
382 | ||
383 | while (i < MAXO) { /* The slow way. */ | |
384 | if (strEQ(s + 6, op_name[i]) || strEQ(s + 6, op_desc[i])) | |
385 | goto found; | |
386 | i++; | |
387 | } | |
388 | goto nonesuch; /* Should not happen... */ | |
389 | found: | |
390 | oa = opargs[i] >> OASHIFT; | |
391 | while (oa) { | |
392 | if (oa & OA_OPTIONAL) { | |
393 | seen_question = 1; | |
394 | str[n++] = ';'; | |
395 | } else if (seen_question) | |
396 | goto set; /* XXXX system, exec */ | |
397 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF | |
398 | && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) { | |
399 | str[n++] = '\\'; | |
400 | } | |
401 | /* What to do with R ((un)tie, tied, (sys)read, recv)? */ | |
402 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; | |
403 | oa = oa >> 4; | |
404 | } | |
405 | str[n++] = '\0'; | |
406 | ret = sv_2mortal(newSVpv(str, n - 1)); | |
407 | } else if (code) /* Non-Overridable */ | |
408 | goto set; | |
409 | else { /* None such */ | |
410 | nonesuch: | |
411 | croak("Cannot find an opnumber for \"%s\"", s+6); | |
412 | } | |
413 | } | |
414 | } | |
c07a80fd | 415 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 416 | if (cv && SvPOK(cv)) |
417 | ret = sv_2mortal(newSVpv(SvPVX(cv), SvCUR(cv))); | |
b6c543e3 | 418 | set: |
c07a80fd | 419 | SETs(ret); |
420 | RETURN; | |
421 | } | |
422 | ||
a0d0e21e LW |
423 | PP(pp_anoncode) |
424 | { | |
4e35701f | 425 | djSP; |
5f05dabc | 426 | CV* cv = (CV*)curpad[op->op_targ]; |
a5f75d66 | 427 | if (CvCLONE(cv)) |
b355b4e0 | 428 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 429 | EXTEND(SP,1); |
748a9306 | 430 | PUSHs((SV*)cv); |
a0d0e21e LW |
431 | RETURN; |
432 | } | |
433 | ||
434 | PP(pp_srefgen) | |
79072805 | 435 | { |
4e35701f | 436 | djSP; |
71be2cbc | 437 | *SP = refto(*SP); |
79072805 | 438 | RETURN; |
8ec5e241 | 439 | } |
a0d0e21e LW |
440 | |
441 | PP(pp_refgen) | |
442 | { | |
4e35701f | 443 | djSP; dMARK; |
a0d0e21e | 444 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
445 | if (++MARK <= SP) |
446 | *MARK = *SP; | |
447 | else | |
448 | *MARK = &sv_undef; | |
449 | *MARK = refto(*MARK); | |
450 | SP = MARK; | |
451 | RETURN; | |
a0d0e21e | 452 | } |
bbce6d69 | 453 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 454 | while (++MARK <= SP) |
455 | *MARK = refto(*MARK); | |
a0d0e21e | 456 | RETURN; |
79072805 LW |
457 | } |
458 | ||
71be2cbc | 459 | static SV* |
8ac85365 | 460 | refto(SV *sv) |
71be2cbc | 461 | { |
462 | SV* rv; | |
463 | ||
464 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
465 | if (LvTARGLEN(sv)) | |
68dc0745 | 466 | vivify_defelem(sv); |
467 | if (!(sv = LvTARG(sv))) | |
468 | sv = &sv_undef; | |
71be2cbc | 469 | } |
470 | else if (SvPADTMP(sv)) | |
471 | sv = newSVsv(sv); | |
472 | else { | |
473 | SvTEMP_off(sv); | |
474 | (void)SvREFCNT_inc(sv); | |
475 | } | |
476 | rv = sv_newmortal(); | |
477 | sv_upgrade(rv, SVt_RV); | |
478 | SvRV(rv) = sv; | |
479 | SvROK_on(rv); | |
480 | return rv; | |
481 | } | |
482 | ||
79072805 LW |
483 | PP(pp_ref) |
484 | { | |
4e35701f | 485 | djSP; dTARGET; |
463ee0b2 | 486 | SV *sv; |
79072805 LW |
487 | char *pv; |
488 | ||
a0d0e21e | 489 | sv = POPs; |
f12c7020 | 490 | |
491 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 492 | mg_get(sv); |
f12c7020 | 493 | |
a0d0e21e | 494 | if (!sv || !SvROK(sv)) |
4633a7c4 | 495 | RETPUSHNO; |
79072805 | 496 | |
ed6116ce | 497 | sv = SvRV(sv); |
a0d0e21e | 498 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 499 | PUSHp(pv, strlen(pv)); |
79072805 LW |
500 | RETURN; |
501 | } | |
502 | ||
503 | PP(pp_bless) | |
504 | { | |
4e35701f | 505 | djSP; |
463ee0b2 | 506 | HV *stash; |
79072805 | 507 | |
463ee0b2 LW |
508 | if (MAXARG == 1) |
509 | stash = curcop->cop_stash; | |
510 | else | |
a0d0e21e LW |
511 | stash = gv_stashsv(POPs, TRUE); |
512 | ||
5d3fdfeb | 513 | (void)sv_bless(TOPs, stash); |
79072805 LW |
514 | RETURN; |
515 | } | |
516 | ||
fb73857a | 517 | PP(pp_gelem) |
518 | { | |
519 | GV *gv; | |
520 | SV *sv; | |
521 | SV *ref; | |
522 | char *elem; | |
4e35701f | 523 | djSP; |
fb73857a | 524 | |
525 | sv = POPs; | |
526 | elem = SvPV(sv, na); | |
527 | gv = (GV*)POPs; | |
528 | ref = Nullsv; | |
529 | sv = Nullsv; | |
530 | switch (elem ? *elem : '\0') | |
531 | { | |
532 | case 'A': | |
533 | if (strEQ(elem, "ARRAY")) | |
534 | ref = (SV*)GvAV(gv); | |
535 | break; | |
536 | case 'C': | |
537 | if (strEQ(elem, "CODE")) | |
538 | ref = (SV*)GvCVu(gv); | |
539 | break; | |
540 | case 'F': | |
541 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ | |
542 | ref = (SV*)GvIOp(gv); | |
543 | break; | |
544 | case 'G': | |
545 | if (strEQ(elem, "GLOB")) | |
546 | ref = (SV*)gv; | |
547 | break; | |
548 | case 'H': | |
549 | if (strEQ(elem, "HASH")) | |
550 | ref = (SV*)GvHV(gv); | |
551 | break; | |
552 | case 'I': | |
553 | if (strEQ(elem, "IO")) | |
554 | ref = (SV*)GvIOp(gv); | |
555 | break; | |
556 | case 'N': | |
557 | if (strEQ(elem, "NAME")) | |
558 | sv = newSVpv(GvNAME(gv), GvNAMELEN(gv)); | |
559 | break; | |
560 | case 'P': | |
561 | if (strEQ(elem, "PACKAGE")) | |
562 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
563 | break; | |
564 | case 'S': | |
565 | if (strEQ(elem, "SCALAR")) | |
566 | ref = GvSV(gv); | |
567 | break; | |
568 | } | |
569 | if (ref) | |
570 | sv = newRV(ref); | |
571 | if (sv) | |
572 | sv_2mortal(sv); | |
573 | else | |
574 | sv = &sv_undef; | |
575 | XPUSHs(sv); | |
576 | RETURN; | |
577 | } | |
578 | ||
a0d0e21e | 579 | /* Pattern matching */ |
79072805 | 580 | |
a0d0e21e | 581 | PP(pp_study) |
79072805 | 582 | { |
4e35701f | 583 | djSP; dPOPss; |
c277df42 | 584 | register UNOP *unop = cUNOP; |
a0d0e21e LW |
585 | register unsigned char *s; |
586 | register I32 pos; | |
587 | register I32 ch; | |
588 | register I32 *sfirst; | |
589 | register I32 *snext; | |
a0d0e21e LW |
590 | STRLEN len; |
591 | ||
c277df42 IZ |
592 | if(unop->op_first && unop->op_first->op_type == OP_PUSHRE) { |
593 | PMOP *pm = (PMOP *)unop->op_first; | |
594 | SV *rv = sv_newmortal(); | |
595 | sv = newSVrv(rv, "Regexp"); | |
596 | sv_magic(sv,(SV*)ReREFCNT_inc(pm->op_pmregexp),'r',0,0); | |
597 | RETURNX(PUSHs(rv)); | |
598 | } | |
599 | ||
1e422769 | 600 | if (sv == lastscream) { |
601 | if (SvSCREAM(sv)) | |
602 | RETPUSHYES; | |
603 | } | |
c07a80fd | 604 | else { |
605 | if (lastscream) { | |
606 | SvSCREAM_off(lastscream); | |
607 | SvREFCNT_dec(lastscream); | |
608 | } | |
609 | lastscream = SvREFCNT_inc(sv); | |
610 | } | |
1e422769 | 611 | |
612 | s = (unsigned char*)(SvPV(sv, len)); | |
613 | pos = len; | |
614 | if (pos <= 0) | |
615 | RETPUSHNO; | |
a0d0e21e LW |
616 | if (pos > maxscream) { |
617 | if (maxscream < 0) { | |
618 | maxscream = pos + 80; | |
619 | New(301, screamfirst, 256, I32); | |
620 | New(302, screamnext, maxscream, I32); | |
79072805 LW |
621 | } |
622 | else { | |
a0d0e21e LW |
623 | maxscream = pos + pos / 4; |
624 | Renew(screamnext, maxscream, I32); | |
79072805 | 625 | } |
79072805 | 626 | } |
a0d0e21e LW |
627 | |
628 | sfirst = screamfirst; | |
629 | snext = screamnext; | |
630 | ||
631 | if (!sfirst || !snext) | |
632 | DIE("do_study: out of memory"); | |
633 | ||
634 | for (ch = 256; ch; --ch) | |
635 | *sfirst++ = -1; | |
636 | sfirst -= 256; | |
637 | ||
638 | while (--pos >= 0) { | |
639 | ch = s[pos]; | |
640 | if (sfirst[ch] >= 0) | |
641 | snext[pos] = sfirst[ch] - pos; | |
642 | else | |
643 | snext[pos] = -pos; | |
644 | sfirst[ch] = pos; | |
79072805 LW |
645 | } |
646 | ||
c07a80fd | 647 | SvSCREAM_on(sv); |
464e2e8a | 648 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
1e422769 | 649 | RETPUSHYES; |
79072805 LW |
650 | } |
651 | ||
a0d0e21e | 652 | PP(pp_trans) |
79072805 | 653 | { |
4e35701f | 654 | djSP; dTARG; |
a0d0e21e LW |
655 | SV *sv; |
656 | ||
657 | if (op->op_flags & OPf_STACKED) | |
658 | sv = POPs; | |
79072805 | 659 | else { |
54b9620d | 660 | sv = DEFSV; |
a0d0e21e | 661 | EXTEND(SP,1); |
79072805 | 662 | } |
adbc6bb1 | 663 | TARG = sv_newmortal(); |
a0d0e21e LW |
664 | PUSHi(do_trans(sv, op)); |
665 | RETURN; | |
79072805 LW |
666 | } |
667 | ||
a0d0e21e | 668 | /* Lvalue operators. */ |
79072805 | 669 | |
a0d0e21e LW |
670 | PP(pp_schop) |
671 | { | |
4e35701f | 672 | djSP; dTARGET; |
a0d0e21e LW |
673 | do_chop(TARG, TOPs); |
674 | SETTARG; | |
675 | RETURN; | |
79072805 LW |
676 | } |
677 | ||
a0d0e21e | 678 | PP(pp_chop) |
79072805 | 679 | { |
4e35701f | 680 | djSP; dMARK; dTARGET; |
a0d0e21e LW |
681 | while (SP > MARK) |
682 | do_chop(TARG, POPs); | |
683 | PUSHTARG; | |
684 | RETURN; | |
79072805 LW |
685 | } |
686 | ||
a0d0e21e | 687 | PP(pp_schomp) |
79072805 | 688 | { |
4e35701f | 689 | djSP; dTARGET; |
a0d0e21e LW |
690 | SETi(do_chomp(TOPs)); |
691 | RETURN; | |
79072805 LW |
692 | } |
693 | ||
a0d0e21e | 694 | PP(pp_chomp) |
79072805 | 695 | { |
4e35701f | 696 | djSP; dMARK; dTARGET; |
a0d0e21e | 697 | register I32 count = 0; |
8ec5e241 | 698 | |
a0d0e21e LW |
699 | while (SP > MARK) |
700 | count += do_chomp(POPs); | |
701 | PUSHi(count); | |
702 | RETURN; | |
79072805 LW |
703 | } |
704 | ||
a0d0e21e | 705 | PP(pp_defined) |
463ee0b2 | 706 | { |
4e35701f | 707 | djSP; |
a0d0e21e LW |
708 | register SV* sv; |
709 | ||
710 | sv = POPs; | |
711 | if (!sv || !SvANY(sv)) | |
712 | RETPUSHNO; | |
713 | switch (SvTYPE(sv)) { | |
714 | case SVt_PVAV: | |
fb73857a | 715 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv)) |
a0d0e21e LW |
716 | RETPUSHYES; |
717 | break; | |
718 | case SVt_PVHV: | |
fb73857a | 719 | if (HvARRAY(sv) || SvGMAGICAL(sv)) |
a0d0e21e LW |
720 | RETPUSHYES; |
721 | break; | |
722 | case SVt_PVCV: | |
723 | if (CvROOT(sv) || CvXSUB(sv)) | |
724 | RETPUSHYES; | |
725 | break; | |
726 | default: | |
727 | if (SvGMAGICAL(sv)) | |
728 | mg_get(sv); | |
729 | if (SvOK(sv)) | |
730 | RETPUSHYES; | |
731 | } | |
732 | RETPUSHNO; | |
463ee0b2 LW |
733 | } |
734 | ||
a0d0e21e LW |
735 | PP(pp_undef) |
736 | { | |
4e35701f | 737 | djSP; |
a0d0e21e LW |
738 | SV *sv; |
739 | ||
774d564b | 740 | if (!op->op_private) { |
741 | EXTEND(SP, 1); | |
a0d0e21e | 742 | RETPUSHUNDEF; |
774d564b | 743 | } |
79072805 | 744 | |
a0d0e21e LW |
745 | sv = POPs; |
746 | if (!sv) | |
747 | RETPUSHUNDEF; | |
85e6fe83 | 748 | |
a0d0e21e LW |
749 | if (SvTHINKFIRST(sv)) { |
750 | if (SvREADONLY(sv)) | |
751 | RETPUSHUNDEF; | |
752 | if (SvROK(sv)) | |
753 | sv_unref(sv); | |
85e6fe83 LW |
754 | } |
755 | ||
a0d0e21e LW |
756 | switch (SvTYPE(sv)) { |
757 | case SVt_NULL: | |
758 | break; | |
759 | case SVt_PVAV: | |
760 | av_undef((AV*)sv); | |
761 | break; | |
762 | case SVt_PVHV: | |
763 | hv_undef((HV*)sv); | |
764 | break; | |
765 | case SVt_PVCV: | |
54310121 | 766 | if (cv_const_sv((CV*)sv)) |
9607fc9c | 767 | warn("Constant subroutine %s undefined", |
54310121 | 768 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 769 | /* FALL THROUGH */ |
770 | case SVt_PVFM: | |
09280a33 CS |
771 | { GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv)); |
772 | cv_undef((CV*)sv); | |
773 | CvGV((CV*)sv) = gv; } /* let user-undef'd sub keep its identity */ | |
a0d0e21e | 774 | break; |
8e07c86e | 775 | case SVt_PVGV: |
44a8e56a | 776 | if (SvFAKE(sv)) |
20408e3c GS |
777 | SvSetMagicSV(sv, &sv_undef); |
778 | else { | |
779 | GP *gp; | |
780 | gp_free((GV*)sv); | |
781 | Newz(602, gp, 1, GP); | |
782 | GvGP(sv) = gp_ref(gp); | |
783 | GvSV(sv) = NEWSV(72,0); | |
784 | GvLINE(sv) = curcop->cop_line; | |
785 | GvEGV(sv) = (GV*)sv; | |
786 | GvMULTI_on(sv); | |
787 | } | |
44a8e56a | 788 | break; |
a0d0e21e | 789 | default: |
1e422769 | 790 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
791 | (void)SvOOK_off(sv); |
792 | Safefree(SvPVX(sv)); | |
793 | SvPV_set(sv, Nullch); | |
794 | SvLEN_set(sv, 0); | |
a0d0e21e | 795 | } |
4633a7c4 LW |
796 | (void)SvOK_off(sv); |
797 | SvSETMAGIC(sv); | |
79072805 | 798 | } |
a0d0e21e LW |
799 | |
800 | RETPUSHUNDEF; | |
79072805 LW |
801 | } |
802 | ||
a0d0e21e | 803 | PP(pp_predec) |
79072805 | 804 | { |
4e35701f | 805 | djSP; |
68dc0745 | 806 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 807 | croak(no_modify); |
55497cff | 808 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
809 | SvIVX(TOPs) != IV_MIN) | |
810 | { | |
748a9306 | 811 | --SvIVX(TOPs); |
55497cff | 812 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
813 | } |
814 | else | |
815 | sv_dec(TOPs); | |
a0d0e21e LW |
816 | SvSETMAGIC(TOPs); |
817 | return NORMAL; | |
818 | } | |
79072805 | 819 | |
a0d0e21e LW |
820 | PP(pp_postinc) |
821 | { | |
4e35701f | 822 | djSP; dTARGET; |
68dc0745 | 823 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 824 | croak(no_modify); |
a0d0e21e | 825 | sv_setsv(TARG, TOPs); |
55497cff | 826 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
827 | SvIVX(TOPs) != IV_MAX) | |
828 | { | |
748a9306 | 829 | ++SvIVX(TOPs); |
55497cff | 830 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
831 | } |
832 | else | |
833 | sv_inc(TOPs); | |
a0d0e21e LW |
834 | SvSETMAGIC(TOPs); |
835 | if (!SvOK(TARG)) | |
836 | sv_setiv(TARG, 0); | |
837 | SETs(TARG); | |
838 | return NORMAL; | |
839 | } | |
79072805 | 840 | |
a0d0e21e LW |
841 | PP(pp_postdec) |
842 | { | |
4e35701f | 843 | djSP; dTARGET; |
68dc0745 | 844 | if(SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 845 | croak(no_modify); |
a0d0e21e | 846 | sv_setsv(TARG, TOPs); |
55497cff | 847 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
848 | SvIVX(TOPs) != IV_MIN) | |
849 | { | |
748a9306 | 850 | --SvIVX(TOPs); |
55497cff | 851 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
852 | } |
853 | else | |
854 | sv_dec(TOPs); | |
a0d0e21e LW |
855 | SvSETMAGIC(TOPs); |
856 | SETs(TARG); | |
857 | return NORMAL; | |
858 | } | |
79072805 | 859 | |
a0d0e21e LW |
860 | /* Ordinary operators. */ |
861 | ||
862 | PP(pp_pow) | |
863 | { | |
8ec5e241 | 864 | djSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
865 | { |
866 | dPOPTOPnnrl; | |
867 | SETn( pow( left, right) ); | |
868 | RETURN; | |
93a17b20 | 869 | } |
a0d0e21e LW |
870 | } |
871 | ||
872 | PP(pp_multiply) | |
873 | { | |
8ec5e241 | 874 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
875 | { |
876 | dPOPTOPnnrl; | |
877 | SETn( left * right ); | |
878 | RETURN; | |
79072805 | 879 | } |
a0d0e21e LW |
880 | } |
881 | ||
882 | PP(pp_divide) | |
883 | { | |
8ec5e241 | 884 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e | 885 | { |
77676ba1 | 886 | dPOPPOPnnrl; |
7a4c00b4 | 887 | double value; |
888 | if (right == 0.0) | |
a0d0e21e LW |
889 | DIE("Illegal division by zero"); |
890 | #ifdef SLOPPYDIVIDE | |
891 | /* insure that 20./5. == 4. */ | |
892 | { | |
7a4c00b4 | 893 | IV k; |
894 | if ((double)I_V(left) == left && | |
895 | (double)I_V(right) == right && | |
896 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { | |
a0d0e21e LW |
897 | value = k; |
898 | } else { | |
7a4c00b4 | 899 | value = left / right; |
79072805 | 900 | } |
a0d0e21e LW |
901 | } |
902 | #else | |
7a4c00b4 | 903 | value = left / right; |
a0d0e21e LW |
904 | #endif |
905 | PUSHn( value ); | |
906 | RETURN; | |
79072805 | 907 | } |
a0d0e21e LW |
908 | } |
909 | ||
910 | PP(pp_modulo) | |
911 | { | |
4e35701f | 912 | djSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
a0d0e21e | 913 | { |
68dc0745 | 914 | UV left; |
915 | UV right; | |
beb18505 CS |
916 | bool left_neg; |
917 | bool right_neg; | |
68dc0745 | 918 | UV ans; |
a0d0e21e | 919 | |
68dc0745 | 920 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
921 | IV i = SvIVX(POPs); | |
beb18505 | 922 | right = (right_neg = (i < 0)) ? -i : i; |
68dc0745 | 923 | } |
924 | else { | |
925 | double n = POPn; | |
beb18505 | 926 | right = U_V((right_neg = (n < 0)) ? -n : n); |
68dc0745 | 927 | } |
a0d0e21e | 928 | |
36477c24 | 929 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
68dc0745 | 930 | IV i = SvIVX(POPs); |
beb18505 | 931 | left = (left_neg = (i < 0)) ? -i : i; |
36477c24 | 932 | } |
a0d0e21e | 933 | else { |
68dc0745 | 934 | double n = POPn; |
beb18505 | 935 | left = U_V((left_neg = (n < 0)) ? -n : n); |
a0d0e21e | 936 | } |
68dc0745 | 937 | |
938 | if (!right) | |
939 | DIE("Illegal modulus zero"); | |
940 | ||
941 | ans = left % right; | |
beb18505 | 942 | if ((left_neg != right_neg) && ans) |
68dc0745 | 943 | ans = right - ans; |
beb18505 | 944 | if (right_neg) { |
3e3baf6d TB |
945 | /* XXX may warn: unary minus operator applied to unsigned type */ |
946 | /* could change -foo to be (~foo)+1 instead */ | |
4e35701f NIS |
947 | if (ans <= ~((UV)IV_MAX)+1) |
948 | sv_setiv(TARG, ~ans+1); | |
beb18505 CS |
949 | else |
950 | sv_setnv(TARG, -(double)ans); | |
951 | } | |
952 | else | |
953 | sv_setuv(TARG, ans); | |
954 | PUSHTARG; | |
a0d0e21e | 955 | RETURN; |
79072805 | 956 | } |
a0d0e21e | 957 | } |
79072805 | 958 | |
a0d0e21e LW |
959 | PP(pp_repeat) |
960 | { | |
4e35701f | 961 | djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 962 | { |
a0d0e21e LW |
963 | register I32 count = POPi; |
964 | if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) { | |
965 | dMARK; | |
966 | I32 items = SP - MARK; | |
967 | I32 max; | |
79072805 | 968 | |
a0d0e21e LW |
969 | max = items * count; |
970 | MEXTEND(MARK, max); | |
971 | if (count > 1) { | |
972 | while (SP > MARK) { | |
973 | if (*SP) | |
974 | SvTEMP_off((*SP)); | |
975 | SP--; | |
79072805 | 976 | } |
a0d0e21e LW |
977 | MARK++; |
978 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
979 | items * sizeof(SV*), count - 1); | |
980 | SP += max; | |
79072805 | 981 | } |
a0d0e21e LW |
982 | else if (count <= 0) |
983 | SP -= items; | |
79072805 | 984 | } |
a0d0e21e LW |
985 | else { /* Note: mark already snarfed by pp_list */ |
986 | SV *tmpstr; | |
987 | STRLEN len; | |
988 | ||
989 | tmpstr = POPs; | |
990 | if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) { | |
991 | if (SvREADONLY(tmpstr) && curcop != &compiling) | |
992 | DIE("Can't x= to readonly value"); | |
993 | if (SvROK(tmpstr)) | |
994 | sv_unref(tmpstr); | |
93a17b20 | 995 | } |
a0d0e21e LW |
996 | SvSetSV(TARG, tmpstr); |
997 | SvPV_force(TARG, len); | |
8ebc5c01 | 998 | if (count != 1) { |
999 | if (count < 1) | |
1000 | SvCUR_set(TARG, 0); | |
1001 | else { | |
1002 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1003 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1004 | SvCUR(TARG) *= count; |
7a4c00b4 | 1005 | } |
a0d0e21e | 1006 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1007 | } |
8ebc5c01 | 1008 | (void)SvPOK_only(TARG); |
a0d0e21e | 1009 | PUSHTARG; |
79072805 | 1010 | } |
a0d0e21e | 1011 | RETURN; |
748a9306 | 1012 | } |
a0d0e21e | 1013 | } |
79072805 | 1014 | |
a0d0e21e LW |
1015 | PP(pp_subtract) |
1016 | { | |
8ec5e241 | 1017 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 1018 | { |
7a4c00b4 | 1019 | dPOPTOPnnrl_ul; |
a0d0e21e LW |
1020 | SETn( left - right ); |
1021 | RETURN; | |
79072805 | 1022 | } |
a0d0e21e | 1023 | } |
79072805 | 1024 | |
a0d0e21e LW |
1025 | PP(pp_left_shift) |
1026 | { | |
8ec5e241 | 1027 | djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1028 | { |
36477c24 | 1029 | IBW shift = POPi; |
ff68c719 | 1030 | if (op->op_private & HINT_INTEGER) { |
36477c24 | 1031 | IBW i = TOPi; |
46fc3d4c | 1032 | i = BWi(i) << shift; |
96e4d5b1 | 1033 | SETi(BWi(i)); |
ff68c719 | 1034 | } |
1035 | else { | |
36477c24 | 1036 | UBW u = TOPu; |
96e4d5b1 | 1037 | u <<= shift; |
1038 | SETu(BWu(u)); | |
ff68c719 | 1039 | } |
55497cff | 1040 | RETURN; |
79072805 | 1041 | } |
a0d0e21e | 1042 | } |
79072805 | 1043 | |
a0d0e21e LW |
1044 | PP(pp_right_shift) |
1045 | { | |
8ec5e241 | 1046 | djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1047 | { |
36477c24 | 1048 | IBW shift = POPi; |
ff68c719 | 1049 | if (op->op_private & HINT_INTEGER) { |
36477c24 | 1050 | IBW i = TOPi; |
46fc3d4c | 1051 | i = BWi(i) >> shift; |
96e4d5b1 | 1052 | SETi(BWi(i)); |
ff68c719 | 1053 | } |
1054 | else { | |
36477c24 | 1055 | UBW u = TOPu; |
96e4d5b1 | 1056 | u >>= shift; |
1057 | SETu(BWu(u)); | |
ff68c719 | 1058 | } |
a0d0e21e | 1059 | RETURN; |
93a17b20 | 1060 | } |
79072805 LW |
1061 | } |
1062 | ||
a0d0e21e | 1063 | PP(pp_lt) |
79072805 | 1064 | { |
8ec5e241 | 1065 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1066 | { |
1067 | dPOPnv; | |
54310121 | 1068 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1069 | RETURN; |
79072805 | 1070 | } |
a0d0e21e | 1071 | } |
79072805 | 1072 | |
a0d0e21e LW |
1073 | PP(pp_gt) |
1074 | { | |
8ec5e241 | 1075 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1076 | { |
1077 | dPOPnv; | |
54310121 | 1078 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1079 | RETURN; |
79072805 | 1080 | } |
a0d0e21e LW |
1081 | } |
1082 | ||
1083 | PP(pp_le) | |
1084 | { | |
8ec5e241 | 1085 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1086 | { |
1087 | dPOPnv; | |
54310121 | 1088 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1089 | RETURN; |
79072805 | 1090 | } |
a0d0e21e LW |
1091 | } |
1092 | ||
1093 | PP(pp_ge) | |
1094 | { | |
8ec5e241 | 1095 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1096 | { |
1097 | dPOPnv; | |
54310121 | 1098 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1099 | RETURN; |
79072805 | 1100 | } |
a0d0e21e | 1101 | } |
79072805 | 1102 | |
a0d0e21e LW |
1103 | PP(pp_ne) |
1104 | { | |
8ec5e241 | 1105 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1106 | { |
1107 | dPOPnv; | |
54310121 | 1108 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1109 | RETURN; |
1110 | } | |
79072805 LW |
1111 | } |
1112 | ||
a0d0e21e | 1113 | PP(pp_ncmp) |
79072805 | 1114 | { |
8ec5e241 | 1115 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1116 | { |
1117 | dPOPTOPnnrl; | |
1118 | I32 value; | |
79072805 | 1119 | |
ff0cee69 | 1120 | if (left == right) |
a0d0e21e | 1121 | value = 0; |
a0d0e21e LW |
1122 | else if (left < right) |
1123 | value = -1; | |
44a8e56a | 1124 | else if (left > right) |
1125 | value = 1; | |
1126 | else { | |
1127 | SETs(&sv_undef); | |
1128 | RETURN; | |
1129 | } | |
a0d0e21e LW |
1130 | SETi(value); |
1131 | RETURN; | |
79072805 | 1132 | } |
a0d0e21e | 1133 | } |
79072805 | 1134 | |
a0d0e21e LW |
1135 | PP(pp_slt) |
1136 | { | |
8ec5e241 | 1137 | djSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1138 | { |
1139 | dPOPTOPssrl; | |
bbce6d69 | 1140 | int cmp = ((op->op_private & OPpLOCALE) |
1141 | ? sv_cmp_locale(left, right) | |
1142 | : sv_cmp(left, right)); | |
54310121 | 1143 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1144 | RETURN; |
1145 | } | |
79072805 LW |
1146 | } |
1147 | ||
a0d0e21e | 1148 | PP(pp_sgt) |
79072805 | 1149 | { |
8ec5e241 | 1150 | djSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1151 | { |
1152 | dPOPTOPssrl; | |
bbce6d69 | 1153 | int cmp = ((op->op_private & OPpLOCALE) |
1154 | ? sv_cmp_locale(left, right) | |
1155 | : sv_cmp(left, right)); | |
54310121 | 1156 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1157 | RETURN; |
1158 | } | |
1159 | } | |
79072805 | 1160 | |
a0d0e21e LW |
1161 | PP(pp_sle) |
1162 | { | |
8ec5e241 | 1163 | djSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1164 | { |
1165 | dPOPTOPssrl; | |
bbce6d69 | 1166 | int cmp = ((op->op_private & OPpLOCALE) |
1167 | ? sv_cmp_locale(left, right) | |
1168 | : sv_cmp(left, right)); | |
54310121 | 1169 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1170 | RETURN; |
79072805 | 1171 | } |
79072805 LW |
1172 | } |
1173 | ||
a0d0e21e LW |
1174 | PP(pp_sge) |
1175 | { | |
8ec5e241 | 1176 | djSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1177 | { |
1178 | dPOPTOPssrl; | |
bbce6d69 | 1179 | int cmp = ((op->op_private & OPpLOCALE) |
1180 | ? sv_cmp_locale(left, right) | |
1181 | : sv_cmp(left, right)); | |
54310121 | 1182 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1183 | RETURN; |
1184 | } | |
1185 | } | |
79072805 | 1186 | |
36477c24 | 1187 | PP(pp_seq) |
1188 | { | |
8ec5e241 | 1189 | djSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1190 | { |
1191 | dPOPTOPssrl; | |
54310121 | 1192 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1193 | RETURN; |
1194 | } | |
1195 | } | |
79072805 | 1196 | |
a0d0e21e | 1197 | PP(pp_sne) |
79072805 | 1198 | { |
8ec5e241 | 1199 | djSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1200 | { |
1201 | dPOPTOPssrl; | |
54310121 | 1202 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1203 | RETURN; |
463ee0b2 | 1204 | } |
79072805 LW |
1205 | } |
1206 | ||
a0d0e21e | 1207 | PP(pp_scmp) |
79072805 | 1208 | { |
4e35701f | 1209 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1210 | { |
1211 | dPOPTOPssrl; | |
bbce6d69 | 1212 | int cmp = ((op->op_private & OPpLOCALE) |
1213 | ? sv_cmp_locale(left, right) | |
1214 | : sv_cmp(left, right)); | |
1215 | SETi( cmp ); | |
a0d0e21e LW |
1216 | RETURN; |
1217 | } | |
1218 | } | |
79072805 | 1219 | |
55497cff | 1220 | PP(pp_bit_and) |
1221 | { | |
8ec5e241 | 1222 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1223 | { |
1224 | dPOPTOPssrl; | |
4633a7c4 | 1225 | if (SvNIOKp(left) || SvNIOKp(right)) { |
36477c24 | 1226 | if (op->op_private & HINT_INTEGER) { |
8ec5e241 | 1227 | IBW value = SvIV(left) & SvIV(right); |
96e4d5b1 | 1228 | SETi(BWi(value)); |
36477c24 | 1229 | } |
1230 | else { | |
8ec5e241 | 1231 | UBW value = SvUV(left) & SvUV(right); |
96e4d5b1 | 1232 | SETu(BWu(value)); |
36477c24 | 1233 | } |
a0d0e21e LW |
1234 | } |
1235 | else { | |
1236 | do_vop(op->op_type, TARG, left, right); | |
1237 | SETTARG; | |
1238 | } | |
1239 | RETURN; | |
1240 | } | |
1241 | } | |
79072805 | 1242 | |
a0d0e21e LW |
1243 | PP(pp_bit_xor) |
1244 | { | |
8ec5e241 | 1245 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
1246 | { |
1247 | dPOPTOPssrl; | |
4633a7c4 | 1248 | if (SvNIOKp(left) || SvNIOKp(right)) { |
36477c24 | 1249 | if (op->op_private & HINT_INTEGER) { |
8ec5e241 | 1250 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
96e4d5b1 | 1251 | SETi(BWi(value)); |
36477c24 | 1252 | } |
1253 | else { | |
8ec5e241 | 1254 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
96e4d5b1 | 1255 | SETu(BWu(value)); |
36477c24 | 1256 | } |
a0d0e21e LW |
1257 | } |
1258 | else { | |
1259 | do_vop(op->op_type, TARG, left, right); | |
1260 | SETTARG; | |
1261 | } | |
1262 | RETURN; | |
1263 | } | |
1264 | } | |
79072805 | 1265 | |
a0d0e21e LW |
1266 | PP(pp_bit_or) |
1267 | { | |
8ec5e241 | 1268 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
1269 | { |
1270 | dPOPTOPssrl; | |
4633a7c4 | 1271 | if (SvNIOKp(left) || SvNIOKp(right)) { |
36477c24 | 1272 | if (op->op_private & HINT_INTEGER) { |
8ec5e241 | 1273 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
96e4d5b1 | 1274 | SETi(BWi(value)); |
36477c24 | 1275 | } |
1276 | else { | |
8ec5e241 | 1277 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
96e4d5b1 | 1278 | SETu(BWu(value)); |
36477c24 | 1279 | } |
a0d0e21e LW |
1280 | } |
1281 | else { | |
1282 | do_vop(op->op_type, TARG, left, right); | |
1283 | SETTARG; | |
1284 | } | |
1285 | RETURN; | |
79072805 | 1286 | } |
a0d0e21e | 1287 | } |
79072805 | 1288 | |
a0d0e21e LW |
1289 | PP(pp_negate) |
1290 | { | |
4e35701f | 1291 | djSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
1292 | { |
1293 | dTOPss; | |
4633a7c4 LW |
1294 | if (SvGMAGICAL(sv)) |
1295 | mg_get(sv); | |
55497cff | 1296 | if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN) |
1297 | SETi(-SvIVX(sv)); | |
1298 | else if (SvNIOKp(sv)) | |
a0d0e21e | 1299 | SETn(-SvNV(sv)); |
4633a7c4 | 1300 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
1301 | STRLEN len; |
1302 | char *s = SvPV(sv, len); | |
bbce6d69 | 1303 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
1304 | sv_setpvn(TARG, "-", 1); |
1305 | sv_catsv(TARG, sv); | |
79072805 | 1306 | } |
a0d0e21e LW |
1307 | else if (*s == '+' || *s == '-') { |
1308 | sv_setsv(TARG, sv); | |
1309 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 LW |
1310 | } |
1311 | else | |
a0d0e21e LW |
1312 | sv_setnv(TARG, -SvNV(sv)); |
1313 | SETTARG; | |
79072805 | 1314 | } |
4633a7c4 LW |
1315 | else |
1316 | SETn(-SvNV(sv)); | |
79072805 | 1317 | } |
a0d0e21e | 1318 | RETURN; |
79072805 LW |
1319 | } |
1320 | ||
a0d0e21e | 1321 | PP(pp_not) |
79072805 | 1322 | { |
a0d0e21e | 1323 | #ifdef OVERLOAD |
4e35701f | 1324 | djSP; tryAMAGICunSET(not); |
a0d0e21e | 1325 | #endif /* OVERLOAD */ |
54310121 | 1326 | *stack_sp = boolSV(!SvTRUE(*stack_sp)); |
a0d0e21e | 1327 | return NORMAL; |
79072805 LW |
1328 | } |
1329 | ||
a0d0e21e | 1330 | PP(pp_complement) |
79072805 | 1331 | { |
8ec5e241 | 1332 | djSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
1333 | { |
1334 | dTOPss; | |
4633a7c4 | 1335 | if (SvNIOKp(sv)) { |
36477c24 | 1336 | if (op->op_private & HINT_INTEGER) { |
1337 | IBW value = ~SvIV(sv); | |
96e4d5b1 | 1338 | SETi(BWi(value)); |
36477c24 | 1339 | } |
1340 | else { | |
1341 | UBW value = ~SvUV(sv); | |
96e4d5b1 | 1342 | SETu(BWu(value)); |
36477c24 | 1343 | } |
a0d0e21e LW |
1344 | } |
1345 | else { | |
1346 | register char *tmps; | |
1347 | register long *tmpl; | |
55497cff | 1348 | register I32 anum; |
a0d0e21e LW |
1349 | STRLEN len; |
1350 | ||
1351 | SvSetSV(TARG, sv); | |
1352 | tmps = SvPV_force(TARG, len); | |
1353 | anum = len; | |
1354 | #ifdef LIBERAL | |
1355 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
1356 | *tmps = ~*tmps; | |
1357 | tmpl = (long*)tmps; | |
1358 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
1359 | *tmpl = ~*tmpl; | |
1360 | tmps = (char*)tmpl; | |
1361 | #endif | |
1362 | for ( ; anum > 0; anum--, tmps++) | |
1363 | *tmps = ~*tmps; | |
1364 | ||
1365 | SETs(TARG); | |
1366 | } | |
1367 | RETURN; | |
1368 | } | |
79072805 LW |
1369 | } |
1370 | ||
a0d0e21e LW |
1371 | /* integer versions of some of the above */ |
1372 | ||
a0d0e21e | 1373 | PP(pp_i_multiply) |
79072805 | 1374 | { |
8ec5e241 | 1375 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
1376 | { |
1377 | dPOPTOPiirl; | |
1378 | SETi( left * right ); | |
1379 | RETURN; | |
1380 | } | |
79072805 LW |
1381 | } |
1382 | ||
a0d0e21e | 1383 | PP(pp_i_divide) |
79072805 | 1384 | { |
8ec5e241 | 1385 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
1386 | { |
1387 | dPOPiv; | |
1388 | if (value == 0) | |
1389 | DIE("Illegal division by zero"); | |
1390 | value = POPi / value; | |
1391 | PUSHi( value ); | |
1392 | RETURN; | |
1393 | } | |
79072805 LW |
1394 | } |
1395 | ||
a0d0e21e | 1396 | PP(pp_i_modulo) |
79072805 | 1397 | { |
8ec5e241 | 1398 | djSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
79072805 | 1399 | { |
a0d0e21e | 1400 | dPOPTOPiirl; |
aa306039 CS |
1401 | if (!right) |
1402 | DIE("Illegal modulus zero"); | |
a0d0e21e LW |
1403 | SETi( left % right ); |
1404 | RETURN; | |
79072805 | 1405 | } |
79072805 LW |
1406 | } |
1407 | ||
a0d0e21e | 1408 | PP(pp_i_add) |
79072805 | 1409 | { |
8ec5e241 | 1410 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e LW |
1411 | { |
1412 | dPOPTOPiirl; | |
1413 | SETi( left + right ); | |
1414 | RETURN; | |
79072805 | 1415 | } |
79072805 LW |
1416 | } |
1417 | ||
a0d0e21e | 1418 | PP(pp_i_subtract) |
79072805 | 1419 | { |
8ec5e241 | 1420 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e LW |
1421 | { |
1422 | dPOPTOPiirl; | |
1423 | SETi( left - right ); | |
1424 | RETURN; | |
79072805 | 1425 | } |
79072805 LW |
1426 | } |
1427 | ||
a0d0e21e | 1428 | PP(pp_i_lt) |
79072805 | 1429 | { |
8ec5e241 | 1430 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1431 | { |
1432 | dPOPTOPiirl; | |
54310121 | 1433 | SETs(boolSV(left < right)); |
a0d0e21e LW |
1434 | RETURN; |
1435 | } | |
79072805 LW |
1436 | } |
1437 | ||
a0d0e21e | 1438 | PP(pp_i_gt) |
79072805 | 1439 | { |
8ec5e241 | 1440 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1441 | { |
1442 | dPOPTOPiirl; | |
54310121 | 1443 | SETs(boolSV(left > right)); |
a0d0e21e LW |
1444 | RETURN; |
1445 | } | |
79072805 LW |
1446 | } |
1447 | ||
a0d0e21e | 1448 | PP(pp_i_le) |
79072805 | 1449 | { |
8ec5e241 | 1450 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1451 | { |
1452 | dPOPTOPiirl; | |
54310121 | 1453 | SETs(boolSV(left <= right)); |
a0d0e21e | 1454 | RETURN; |
85e6fe83 | 1455 | } |
79072805 LW |
1456 | } |
1457 | ||
a0d0e21e | 1458 | PP(pp_i_ge) |
79072805 | 1459 | { |
8ec5e241 | 1460 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1461 | { |
1462 | dPOPTOPiirl; | |
54310121 | 1463 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
1464 | RETURN; |
1465 | } | |
79072805 LW |
1466 | } |
1467 | ||
a0d0e21e | 1468 | PP(pp_i_eq) |
79072805 | 1469 | { |
8ec5e241 | 1470 | djSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
1471 | { |
1472 | dPOPTOPiirl; | |
54310121 | 1473 | SETs(boolSV(left == right)); |
a0d0e21e LW |
1474 | RETURN; |
1475 | } | |
79072805 LW |
1476 | } |
1477 | ||
a0d0e21e | 1478 | PP(pp_i_ne) |
79072805 | 1479 | { |
8ec5e241 | 1480 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1481 | { |
1482 | dPOPTOPiirl; | |
54310121 | 1483 | SETs(boolSV(left != right)); |
a0d0e21e LW |
1484 | RETURN; |
1485 | } | |
79072805 LW |
1486 | } |
1487 | ||
a0d0e21e | 1488 | PP(pp_i_ncmp) |
79072805 | 1489 | { |
8ec5e241 | 1490 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1491 | { |
1492 | dPOPTOPiirl; | |
1493 | I32 value; | |
79072805 | 1494 | |
a0d0e21e | 1495 | if (left > right) |
79072805 | 1496 | value = 1; |
a0d0e21e | 1497 | else if (left < right) |
79072805 | 1498 | value = -1; |
a0d0e21e | 1499 | else |
79072805 | 1500 | value = 0; |
a0d0e21e LW |
1501 | SETi(value); |
1502 | RETURN; | |
79072805 | 1503 | } |
85e6fe83 LW |
1504 | } |
1505 | ||
1506 | PP(pp_i_negate) | |
1507 | { | |
4e35701f | 1508 | djSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
1509 | SETi(-TOPi); |
1510 | RETURN; | |
1511 | } | |
1512 | ||
79072805 LW |
1513 | /* High falutin' math. */ |
1514 | ||
1515 | PP(pp_atan2) | |
1516 | { | |
8ec5e241 | 1517 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
1518 | { |
1519 | dPOPTOPnnrl; | |
1520 | SETn(atan2(left, right)); | |
1521 | RETURN; | |
1522 | } | |
79072805 LW |
1523 | } |
1524 | ||
1525 | PP(pp_sin) | |
1526 | { | |
4e35701f | 1527 | djSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e LW |
1528 | { |
1529 | double value; | |
1530 | value = POPn; | |
1531 | value = sin(value); | |
1532 | XPUSHn(value); | |
1533 | RETURN; | |
1534 | } | |
79072805 LW |
1535 | } |
1536 | ||
1537 | PP(pp_cos) | |
1538 | { | |
4e35701f | 1539 | djSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e LW |
1540 | { |
1541 | double value; | |
1542 | value = POPn; | |
1543 | value = cos(value); | |
1544 | XPUSHn(value); | |
1545 | RETURN; | |
1546 | } | |
79072805 LW |
1547 | } |
1548 | ||
1549 | PP(pp_rand) | |
1550 | { | |
4e35701f | 1551 | djSP; dTARGET; |
79072805 LW |
1552 | double value; |
1553 | if (MAXARG < 1) | |
1554 | value = 1.0; | |
1555 | else | |
1556 | value = POPn; | |
1557 | if (value == 0.0) | |
1558 | value = 1.0; | |
93dc8474 CS |
1559 | if (!srand_called) { |
1560 | (void)srand((unsigned)seed()); | |
1561 | srand_called = TRUE; | |
1562 | } | |
79072805 LW |
1563 | #if RANDBITS == 31 |
1564 | value = rand() * value / 2147483648.0; | |
1565 | #else | |
1566 | #if RANDBITS == 16 | |
1567 | value = rand() * value / 65536.0; | |
1568 | #else | |
1569 | #if RANDBITS == 15 | |
1570 | value = rand() * value / 32768.0; | |
1571 | #else | |
1572 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); | |
1573 | #endif | |
1574 | #endif | |
1575 | #endif | |
1576 | XPUSHn(value); | |
1577 | RETURN; | |
1578 | } | |
1579 | ||
1580 | PP(pp_srand) | |
1581 | { | |
4e35701f | 1582 | djSP; |
93dc8474 CS |
1583 | UV anum; |
1584 | if (MAXARG < 1) | |
1585 | anum = seed(); | |
79072805 | 1586 | else |
93dc8474 CS |
1587 | anum = POPu; |
1588 | (void)srand((unsigned)anum); | |
1589 | srand_called = TRUE; | |
79072805 LW |
1590 | EXTEND(SP, 1); |
1591 | RETPUSHYES; | |
1592 | } | |
1593 | ||
93dc8474 | 1594 | static U32 |
8ac85365 | 1595 | seed(void) |
93dc8474 | 1596 | { |
54310121 | 1597 | /* |
1598 | * This is really just a quick hack which grabs various garbage | |
1599 | * values. It really should be a real hash algorithm which | |
1600 | * spreads the effect of every input bit onto every output bit, | |
1601 | * if someone who knows about such tings would bother to write it. | |
1602 | * Might be a good idea to add that function to CORE as well. | |
1603 | * No numbers below come from careful analysis or anyting here, | |
1604 | * except they are primes and SEED_C1 > 1E6 to get a full-width | |
1605 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
1606 | * probably be bigger too. | |
1607 | */ | |
1608 | #if RANDBITS > 16 | |
1609 | # define SEED_C1 1000003 | |
1610 | #define SEED_C4 73819 | |
1611 | #else | |
1612 | # define SEED_C1 25747 | |
1613 | #define SEED_C4 20639 | |
1614 | #endif | |
1615 | #define SEED_C2 3 | |
1616 | #define SEED_C3 269 | |
1617 | #define SEED_C5 26107 | |
1618 | ||
e858de61 | 1619 | dTHR; |
93dc8474 | 1620 | U32 u; |
f12c7020 | 1621 | #ifdef VMS |
1622 | # include <starlet.h> | |
43c92808 HF |
1623 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
1624 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 CS |
1625 | unsigned int when[2]; |
1626 | _ckvmssts(sys$gettim(when)); | |
54310121 | 1627 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 1628 | #else |
5f05dabc | 1629 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 CS |
1630 | struct timeval when; |
1631 | gettimeofday(&when,(struct timezone *) 0); | |
54310121 | 1632 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 1633 | # else |
93dc8474 CS |
1634 | Time_t when; |
1635 | (void)time(&when); | |
54310121 | 1636 | u = (U32)SEED_C1 * when; |
f12c7020 | 1637 | # endif |
1638 | #endif | |
54310121 | 1639 | u += SEED_C3 * (U32)getpid(); |
1640 | u += SEED_C4 * (U32)(UV)stack_sp; | |
1641 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ | |
1642 | u += SEED_C5 * (U32)(UV)&when; | |
f12c7020 | 1643 | #endif |
93dc8474 | 1644 | return u; |
79072805 LW |
1645 | } |
1646 | ||
1647 | PP(pp_exp) | |
1648 | { | |
4e35701f | 1649 | djSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e LW |
1650 | { |
1651 | double value; | |
1652 | value = POPn; | |
1653 | value = exp(value); | |
1654 | XPUSHn(value); | |
1655 | RETURN; | |
1656 | } | |
79072805 LW |
1657 | } |
1658 | ||
1659 | PP(pp_log) | |
1660 | { | |
4e35701f | 1661 | djSP; dTARGET; tryAMAGICun(log); |
a0d0e21e LW |
1662 | { |
1663 | double value; | |
1664 | value = POPn; | |
bbce6d69 | 1665 | if (value <= 0.0) { |
36477c24 | 1666 | SET_NUMERIC_STANDARD(); |
2304df62 | 1667 | DIE("Can't take log of %g", value); |
bbce6d69 | 1668 | } |
a0d0e21e LW |
1669 | value = log(value); |
1670 | XPUSHn(value); | |
1671 | RETURN; | |
1672 | } | |
79072805 LW |
1673 | } |
1674 | ||
1675 | PP(pp_sqrt) | |
1676 | { | |
4e35701f | 1677 | djSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e LW |
1678 | { |
1679 | double value; | |
1680 | value = POPn; | |
bbce6d69 | 1681 | if (value < 0.0) { |
36477c24 | 1682 | SET_NUMERIC_STANDARD(); |
2304df62 | 1683 | DIE("Can't take sqrt of %g", value); |
bbce6d69 | 1684 | } |
a0d0e21e LW |
1685 | value = sqrt(value); |
1686 | XPUSHn(value); | |
1687 | RETURN; | |
1688 | } | |
79072805 LW |
1689 | } |
1690 | ||
1691 | PP(pp_int) | |
1692 | { | |
4e35701f | 1693 | djSP; dTARGET; |
774d564b | 1694 | { |
1695 | double value = TOPn; | |
1696 | IV iv; | |
1697 | ||
1698 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) { | |
1699 | iv = SvIVX(TOPs); | |
1700 | SETi(iv); | |
1701 | } | |
1702 | else { | |
1703 | if (value >= 0.0) | |
1704 | (void)modf(value, &value); | |
1705 | else { | |
1706 | (void)modf(-value, &value); | |
1707 | value = -value; | |
1708 | } | |
1709 | iv = I_V(value); | |
1710 | if (iv == value) | |
1711 | SETi(iv); | |
1712 | else | |
1713 | SETn(value); | |
1714 | } | |
79072805 | 1715 | } |
79072805 LW |
1716 | RETURN; |
1717 | } | |
1718 | ||
463ee0b2 LW |
1719 | PP(pp_abs) |
1720 | { | |
4e35701f | 1721 | djSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 1722 | { |
774d564b | 1723 | double value = TOPn; |
1724 | IV iv; | |
463ee0b2 | 1725 | |
774d564b | 1726 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) && |
1727 | (iv = SvIVX(TOPs)) != IV_MIN) { | |
1728 | if (iv < 0) | |
1729 | iv = -iv; | |
1730 | SETi(iv); | |
1731 | } | |
1732 | else { | |
1733 | if (value < 0.0) | |
1734 | value = -value; | |
1735 | SETn(value); | |
1736 | } | |
a0d0e21e | 1737 | } |
774d564b | 1738 | RETURN; |
463ee0b2 LW |
1739 | } |
1740 | ||
79072805 LW |
1741 | PP(pp_hex) |
1742 | { | |
4e35701f | 1743 | djSP; dTARGET; |
79072805 LW |
1744 | char *tmps; |
1745 | I32 argtype; | |
1746 | ||
a0d0e21e | 1747 | tmps = POPp; |
55497cff | 1748 | XPUSHu(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
1749 | RETURN; |
1750 | } | |
1751 | ||
1752 | PP(pp_oct) | |
1753 | { | |
4e35701f | 1754 | djSP; dTARGET; |
55497cff | 1755 | UV value; |
79072805 LW |
1756 | I32 argtype; |
1757 | char *tmps; | |
1758 | ||
a0d0e21e | 1759 | tmps = POPp; |
464e2e8a | 1760 | while (*tmps && isSPACE(*tmps)) |
1761 | tmps++; | |
1762 | if (*tmps == '0') | |
79072805 LW |
1763 | tmps++; |
1764 | if (*tmps == 'x') | |
464e2e8a | 1765 | value = scan_hex(++tmps, 99, &argtype); |
1766 | else | |
1767 | value = scan_oct(tmps, 99, &argtype); | |
55497cff | 1768 | XPUSHu(value); |
79072805 LW |
1769 | RETURN; |
1770 | } | |
1771 | ||
1772 | /* String stuff. */ | |
1773 | ||
1774 | PP(pp_length) | |
1775 | { | |
4e35701f | 1776 | djSP; dTARGET; |
a0d0e21e | 1777 | SETi( sv_len(TOPs) ); |
79072805 LW |
1778 | RETURN; |
1779 | } | |
1780 | ||
1781 | PP(pp_substr) | |
1782 | { | |
4e35701f | 1783 | djSP; dTARGET; |
79072805 LW |
1784 | SV *sv; |
1785 | I32 len; | |
463ee0b2 | 1786 | STRLEN curlen; |
79072805 LW |
1787 | I32 pos; |
1788 | I32 rem; | |
84902520 | 1789 | I32 fail; |
a0d0e21e | 1790 | I32 lvalue = op->op_flags & OPf_MOD; |
79072805 | 1791 | char *tmps; |
a0d0e21e | 1792 | I32 arybase = curcop->cop_arybase; |
79072805 | 1793 | |
20408e3c | 1794 | SvTAINTED_off(TARG); /* decontaminate */ |
79072805 LW |
1795 | if (MAXARG > 2) |
1796 | len = POPi; | |
84902520 | 1797 | pos = POPi; |
79072805 | 1798 | sv = POPs; |
849ca7ee | 1799 | PUTBACK; |
a0d0e21e | 1800 | tmps = SvPV(sv, curlen); |
84902520 TB |
1801 | if (pos >= arybase) { |
1802 | pos -= arybase; | |
1803 | rem = curlen-pos; | |
1804 | fail = rem; | |
1805 | if (MAXARG > 2) { | |
1806 | if (len < 0) { | |
1807 | rem += len; | |
1808 | if (rem < 0) | |
1809 | rem = 0; | |
1810 | } | |
1811 | else if (rem > len) | |
1812 | rem = len; | |
1813 | } | |
68dc0745 | 1814 | } |
84902520 TB |
1815 | else { |
1816 | pos += curlen; | |
1817 | if (MAXARG < 3) | |
1818 | rem = curlen; | |
1819 | else if (len >= 0) { | |
1820 | rem = pos+len; | |
1821 | if (rem > (I32)curlen) | |
1822 | rem = curlen; | |
1823 | } | |
1824 | else { | |
1825 | rem = curlen+len; | |
1826 | if (rem < pos) | |
1827 | rem = pos; | |
1828 | } | |
1829 | if (pos < 0) | |
1830 | pos = 0; | |
1831 | fail = rem; | |
1832 | rem -= pos; | |
1833 | } | |
1834 | if (fail < 0) { | |
8ec5e241 | 1835 | if (dowarn || lvalue) |
2304df62 AD |
1836 | warn("substr outside of string"); |
1837 | RETPUSHUNDEF; | |
1838 | } | |
79072805 | 1839 | else { |
79072805 | 1840 | tmps += pos; |
79072805 LW |
1841 | sv_setpvn(TARG, tmps, rem); |
1842 | if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 1843 | if (!SvGMAGICAL(sv)) { |
1844 | if (SvROK(sv)) { | |
1845 | SvPV_force(sv,na); | |
1846 | if (dowarn) | |
1847 | warn("Attempt to use reference as lvalue in substr"); | |
1848 | } | |
1849 | if (SvOK(sv)) /* is it defined ? */ | |
1850 | (void)SvPOK_only(sv); | |
1851 | else | |
1852 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
1853 | } | |
5f05dabc | 1854 | |
a0d0e21e LW |
1855 | if (SvTYPE(TARG) < SVt_PVLV) { |
1856 | sv_upgrade(TARG, SVt_PVLV); | |
1857 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 1858 | } |
a0d0e21e | 1859 | |
5f05dabc | 1860 | LvTYPE(TARG) = 'x'; |
79072805 | 1861 | LvTARG(TARG) = sv; |
a0d0e21e | 1862 | LvTARGOFF(TARG) = pos; |
8ec5e241 | 1863 | LvTARGLEN(TARG) = rem; |
79072805 LW |
1864 | } |
1865 | } | |
849ca7ee | 1866 | SPAGAIN; |
79072805 LW |
1867 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
1868 | RETURN; | |
1869 | } | |
1870 | ||
1871 | PP(pp_vec) | |
1872 | { | |
4e35701f | 1873 | djSP; dTARGET; |
79072805 LW |
1874 | register I32 size = POPi; |
1875 | register I32 offset = POPi; | |
1876 | register SV *src = POPs; | |
a0d0e21e | 1877 | I32 lvalue = op->op_flags & OPf_MOD; |
463ee0b2 LW |
1878 | STRLEN srclen; |
1879 | unsigned char *s = (unsigned char*)SvPV(src, srclen); | |
79072805 LW |
1880 | unsigned long retnum; |
1881 | I32 len; | |
1882 | ||
20408e3c | 1883 | SvTAINTED_off(TARG); /* decontaminate */ |
79072805 LW |
1884 | offset *= size; /* turn into bit offset */ |
1885 | len = (offset + size + 7) / 8; | |
1886 | if (offset < 0 || size < 1) | |
1887 | retnum = 0; | |
79072805 | 1888 | else { |
a0d0e21e LW |
1889 | if (lvalue) { /* it's an lvalue! */ |
1890 | if (SvTYPE(TARG) < SVt_PVLV) { | |
1891 | sv_upgrade(TARG, SVt_PVLV); | |
1892 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
1893 | } | |
1894 | ||
1895 | LvTYPE(TARG) = 'v'; | |
1896 | LvTARG(TARG) = src; | |
8ec5e241 NIS |
1897 | LvTARGOFF(TARG) = offset; |
1898 | LvTARGLEN(TARG) = size; | |
a0d0e21e | 1899 | } |
93a17b20 | 1900 | if (len > srclen) { |
a0d0e21e LW |
1901 | if (size <= 8) |
1902 | retnum = 0; | |
1903 | else { | |
1904 | offset >>= 3; | |
748a9306 LW |
1905 | if (size == 16) { |
1906 | if (offset >= srclen) | |
1907 | retnum = 0; | |
a0d0e21e | 1908 | else |
748a9306 LW |
1909 | retnum = (unsigned long) s[offset] << 8; |
1910 | } | |
1911 | else if (size == 32) { | |
1912 | if (offset >= srclen) | |
1913 | retnum = 0; | |
1914 | else if (offset + 1 >= srclen) | |
a0d0e21e | 1915 | retnum = (unsigned long) s[offset] << 24; |
748a9306 LW |
1916 | else if (offset + 2 >= srclen) |
1917 | retnum = ((unsigned long) s[offset] << 24) + | |
1918 | ((unsigned long) s[offset + 1] << 16); | |
1919 | else | |
1920 | retnum = ((unsigned long) s[offset] << 24) + | |
1921 | ((unsigned long) s[offset + 1] << 16) + | |
1922 | (s[offset + 2] << 8); | |
a0d0e21e LW |
1923 | } |
1924 | } | |
79072805 | 1925 | } |
a0d0e21e | 1926 | else if (size < 8) |
79072805 LW |
1927 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
1928 | else { | |
1929 | offset >>= 3; | |
1930 | if (size == 8) | |
1931 | retnum = s[offset]; | |
1932 | else if (size == 16) | |
1933 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; | |
1934 | else if (size == 32) | |
1935 | retnum = ((unsigned long) s[offset] << 24) + | |
1936 | ((unsigned long) s[offset + 1] << 16) + | |
1937 | (s[offset + 2] << 8) + s[offset+3]; | |
1938 | } | |
79072805 LW |
1939 | } |
1940 | ||
deb3007b | 1941 | sv_setuv(TARG, (UV)retnum); |
79072805 LW |
1942 | PUSHs(TARG); |
1943 | RETURN; | |
1944 | } | |
1945 | ||
1946 | PP(pp_index) | |
1947 | { | |
4e35701f | 1948 | djSP; dTARGET; |
79072805 LW |
1949 | SV *big; |
1950 | SV *little; | |
1951 | I32 offset; | |
1952 | I32 retval; | |
1953 | char *tmps; | |
1954 | char *tmps2; | |
463ee0b2 | 1955 | STRLEN biglen; |
a0d0e21e | 1956 | I32 arybase = curcop->cop_arybase; |
79072805 LW |
1957 | |
1958 | if (MAXARG < 3) | |
1959 | offset = 0; | |
1960 | else | |
1961 | offset = POPi - arybase; | |
1962 | little = POPs; | |
1963 | big = POPs; | |
463ee0b2 | 1964 | tmps = SvPV(big, biglen); |
79072805 LW |
1965 | if (offset < 0) |
1966 | offset = 0; | |
93a17b20 LW |
1967 | else if (offset > biglen) |
1968 | offset = biglen; | |
79072805 | 1969 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
93a17b20 | 1970 | (unsigned char*)tmps + biglen, little))) |
79072805 LW |
1971 | retval = -1 + arybase; |
1972 | else | |
1973 | retval = tmps2 - tmps + arybase; | |
1974 | PUSHi(retval); | |
1975 | RETURN; | |
1976 | } | |
1977 | ||
1978 | PP(pp_rindex) | |
1979 | { | |
4e35701f | 1980 | djSP; dTARGET; |
79072805 LW |
1981 | SV *big; |
1982 | SV *little; | |
463ee0b2 LW |
1983 | STRLEN blen; |
1984 | STRLEN llen; | |
79072805 LW |
1985 | SV *offstr; |
1986 | I32 offset; | |
1987 | I32 retval; | |
1988 | char *tmps; | |
1989 | char *tmps2; | |
a0d0e21e | 1990 | I32 arybase = curcop->cop_arybase; |
79072805 | 1991 | |
a0d0e21e | 1992 | if (MAXARG >= 3) |
79072805 LW |
1993 | offstr = POPs; |
1994 | little = POPs; | |
1995 | big = POPs; | |
463ee0b2 LW |
1996 | tmps2 = SvPV(little, llen); |
1997 | tmps = SvPV(big, blen); | |
79072805 | 1998 | if (MAXARG < 3) |
463ee0b2 | 1999 | offset = blen; |
79072805 | 2000 | else |
463ee0b2 | 2001 | offset = SvIV(offstr) - arybase + llen; |
79072805 LW |
2002 | if (offset < 0) |
2003 | offset = 0; | |
463ee0b2 LW |
2004 | else if (offset > blen) |
2005 | offset = blen; | |
79072805 | 2006 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2007 | tmps2, tmps2 + llen))) |
79072805 LW |
2008 | retval = -1 + arybase; |
2009 | else | |
2010 | retval = tmps2 - tmps + arybase; | |
2011 | PUSHi(retval); | |
2012 | RETURN; | |
2013 | } | |
2014 | ||
2015 | PP(pp_sprintf) | |
2016 | { | |
4e35701f | 2017 | djSP; dMARK; dORIGMARK; dTARGET; |
36477c24 | 2018 | #ifdef USE_LOCALE_NUMERIC |
bbce6d69 | 2019 | if (op->op_private & OPpLOCALE) |
36477c24 | 2020 | SET_NUMERIC_LOCAL(); |
bbce6d69 | 2021 | else |
36477c24 | 2022 | SET_NUMERIC_STANDARD(); |
2023 | #endif | |
79072805 | 2024 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2025 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2026 | SP = ORIGMARK; |
2027 | PUSHTARG; | |
2028 | RETURN; | |
2029 | } | |
2030 | ||
79072805 LW |
2031 | PP(pp_ord) |
2032 | { | |
4e35701f | 2033 | djSP; dTARGET; |
79072805 LW |
2034 | I32 value; |
2035 | char *tmps; | |
79072805 | 2036 | |
79072805 | 2037 | #ifndef I286 |
a0d0e21e | 2038 | tmps = POPp; |
79072805 LW |
2039 | value = (I32) (*tmps & 255); |
2040 | #else | |
a0d0e21e LW |
2041 | I32 anum; |
2042 | tmps = POPp; | |
79072805 LW |
2043 | anum = (I32) *tmps; |
2044 | value = (I32) (anum & 255); | |
2045 | #endif | |
2046 | XPUSHi(value); | |
2047 | RETURN; | |
2048 | } | |
2049 | ||
463ee0b2 LW |
2050 | PP(pp_chr) |
2051 | { | |
4e35701f | 2052 | djSP; dTARGET; |
463ee0b2 LW |
2053 | char *tmps; |
2054 | ||
748a9306 LW |
2055 | (void)SvUPGRADE(TARG,SVt_PV); |
2056 | SvGROW(TARG,2); | |
463ee0b2 LW |
2057 | SvCUR_set(TARG, 1); |
2058 | tmps = SvPVX(TARG); | |
748a9306 LW |
2059 | *tmps++ = POPi; |
2060 | *tmps = '\0'; | |
a0d0e21e | 2061 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
2062 | XPUSHs(TARG); |
2063 | RETURN; | |
2064 | } | |
2065 | ||
79072805 LW |
2066 | PP(pp_crypt) |
2067 | { | |
4e35701f | 2068 | djSP; dTARGET; dPOPTOPssrl; |
79072805 | 2069 | #ifdef HAS_CRYPT |
a0d0e21e | 2070 | char *tmps = SvPV(left, na); |
79072805 | 2071 | #ifdef FCRYPT |
a0d0e21e | 2072 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, na))); |
79072805 | 2073 | #else |
a0d0e21e | 2074 | sv_setpv(TARG, crypt(tmps, SvPV(right, na))); |
79072805 LW |
2075 | #endif |
2076 | #else | |
2077 | DIE( | |
2078 | "The crypt() function is unimplemented due to excessive paranoia."); | |
2079 | #endif | |
2080 | SETs(TARG); | |
2081 | RETURN; | |
2082 | } | |
2083 | ||
2084 | PP(pp_ucfirst) | |
2085 | { | |
4e35701f | 2086 | djSP; |
79072805 LW |
2087 | SV *sv = TOPs; |
2088 | register char *s; | |
2089 | ||
ed6116ce | 2090 | if (!SvPADTMP(sv)) { |
79072805 LW |
2091 | dTARGET; |
2092 | sv_setsv(TARG, sv); | |
2093 | sv = TARG; | |
2094 | SETs(sv); | |
2095 | } | |
a0d0e21e | 2096 | s = SvPV_force(sv, na); |
bbce6d69 | 2097 | if (*s) { |
2098 | if (op->op_private & OPpLOCALE) { | |
2099 | TAINT; | |
2100 | SvTAINTED_on(sv); | |
2101 | *s = toUPPER_LC(*s); | |
2102 | } | |
2103 | else | |
2104 | *s = toUPPER(*s); | |
2105 | } | |
79072805 LW |
2106 | |
2107 | RETURN; | |
2108 | } | |
2109 | ||
2110 | PP(pp_lcfirst) | |
2111 | { | |
4e35701f | 2112 | djSP; |
79072805 LW |
2113 | SV *sv = TOPs; |
2114 | register char *s; | |
2115 | ||
ed6116ce | 2116 | if (!SvPADTMP(sv)) { |
79072805 LW |
2117 | dTARGET; |
2118 | sv_setsv(TARG, sv); | |
2119 | sv = TARG; | |
2120 | SETs(sv); | |
2121 | } | |
a0d0e21e | 2122 | s = SvPV_force(sv, na); |
bbce6d69 | 2123 | if (*s) { |
2124 | if (op->op_private & OPpLOCALE) { | |
2125 | TAINT; | |
2126 | SvTAINTED_on(sv); | |
2127 | *s = toLOWER_LC(*s); | |
2128 | } | |
2129 | else | |
2130 | *s = toLOWER(*s); | |
2131 | } | |
79072805 LW |
2132 | |
2133 | SETs(sv); | |
2134 | RETURN; | |
2135 | } | |
2136 | ||
2137 | PP(pp_uc) | |
2138 | { | |
4e35701f | 2139 | djSP; |
79072805 LW |
2140 | SV *sv = TOPs; |
2141 | register char *s; | |
463ee0b2 | 2142 | STRLEN len; |
79072805 | 2143 | |
ed6116ce | 2144 | if (!SvPADTMP(sv)) { |
79072805 LW |
2145 | dTARGET; |
2146 | sv_setsv(TARG, sv); | |
2147 | sv = TARG; | |
2148 | SETs(sv); | |
2149 | } | |
bbce6d69 | 2150 | |
a0d0e21e | 2151 | s = SvPV_force(sv, len); |
bbce6d69 | 2152 | if (len) { |
2153 | register char *send = s + len; | |
2154 | ||
2155 | if (op->op_private & OPpLOCALE) { | |
2156 | TAINT; | |
2157 | SvTAINTED_on(sv); | |
2158 | for (; s < send; s++) | |
2159 | *s = toUPPER_LC(*s); | |
2160 | } | |
2161 | else { | |
2162 | for (; s < send; s++) | |
2163 | *s = toUPPER(*s); | |
2164 | } | |
79072805 LW |
2165 | } |
2166 | RETURN; | |
2167 | } | |
2168 | ||
2169 | PP(pp_lc) | |
2170 | { | |
4e35701f | 2171 | djSP; |
79072805 LW |
2172 | SV *sv = TOPs; |
2173 | register char *s; | |
463ee0b2 | 2174 | STRLEN len; |
79072805 | 2175 | |
ed6116ce | 2176 | if (!SvPADTMP(sv)) { |
79072805 LW |
2177 | dTARGET; |
2178 | sv_setsv(TARG, sv); | |
2179 | sv = TARG; | |
2180 | SETs(sv); | |
2181 | } | |
bbce6d69 | 2182 | |
a0d0e21e | 2183 | s = SvPV_force(sv, len); |
bbce6d69 | 2184 | if (len) { |
2185 | register char *send = s + len; | |
2186 | ||
2187 | if (op->op_private & OPpLOCALE) { | |
2188 | TAINT; | |
2189 | SvTAINTED_on(sv); | |
2190 | for (; s < send; s++) | |
2191 | *s = toLOWER_LC(*s); | |
2192 | } | |
2193 | else { | |
2194 | for (; s < send; s++) | |
2195 | *s = toLOWER(*s); | |
2196 | } | |
79072805 LW |
2197 | } |
2198 | RETURN; | |
2199 | } | |
2200 | ||
a0d0e21e | 2201 | PP(pp_quotemeta) |
79072805 | 2202 | { |
4e35701f | 2203 | djSP; dTARGET; |
a0d0e21e LW |
2204 | SV *sv = TOPs; |
2205 | STRLEN len; | |
2206 | register char *s = SvPV(sv,len); | |
2207 | register char *d; | |
79072805 | 2208 | |
a0d0e21e LW |
2209 | if (len) { |
2210 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 2211 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e LW |
2212 | d = SvPVX(TARG); |
2213 | while (len--) { | |
2214 | if (!isALNUM(*s)) | |
2215 | *d++ = '\\'; | |
2216 | *d++ = *s++; | |
79072805 | 2217 | } |
a0d0e21e LW |
2218 | *d = '\0'; |
2219 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
2220 | (void)SvPOK_only(TARG); | |
79072805 | 2221 | } |
a0d0e21e LW |
2222 | else |
2223 | sv_setpvn(TARG, s, len); | |
2224 | SETs(TARG); | |
79072805 LW |
2225 | RETURN; |
2226 | } | |
2227 | ||
a0d0e21e | 2228 | /* Arrays. */ |
79072805 | 2229 | |
a0d0e21e | 2230 | PP(pp_aslice) |
79072805 | 2231 | { |
4e35701f | 2232 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2233 | register SV** svp; |
2234 | register AV* av = (AV*)POPs; | |
2235 | register I32 lval = op->op_flags & OPf_MOD; | |
748a9306 LW |
2236 | I32 arybase = curcop->cop_arybase; |
2237 | I32 elem; | |
79072805 | 2238 | |
a0d0e21e | 2239 | if (SvTYPE(av) == SVt_PVAV) { |
748a9306 LW |
2240 | if (lval && op->op_private & OPpLVAL_INTRO) { |
2241 | I32 max = -1; | |
924508f0 | 2242 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
2243 | elem = SvIVx(*svp); |
2244 | if (elem > max) | |
2245 | max = elem; | |
2246 | } | |
2247 | if (max > AvMAX(av)) | |
2248 | av_extend(av, max); | |
2249 | } | |
a0d0e21e | 2250 | while (++MARK <= SP) { |
748a9306 | 2251 | elem = SvIVx(*MARK); |
a0d0e21e | 2252 | |
748a9306 LW |
2253 | if (elem > 0) |
2254 | elem -= arybase; | |
a0d0e21e LW |
2255 | svp = av_fetch(av, elem, lval); |
2256 | if (lval) { | |
2257 | if (!svp || *svp == &sv_undef) | |
2258 | DIE(no_aelem, elem); | |
2259 | if (op->op_private & OPpLVAL_INTRO) | |
161b7d16 | 2260 | save_aelem(av, elem, svp); |
79072805 | 2261 | } |
a0d0e21e | 2262 | *MARK = svp ? *svp : &sv_undef; |
79072805 LW |
2263 | } |
2264 | } | |
748a9306 | 2265 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
2266 | MARK = ORIGMARK; |
2267 | *++MARK = *SP; | |
2268 | SP = MARK; | |
2269 | } | |
79072805 LW |
2270 | RETURN; |
2271 | } | |
2272 | ||
2273 | /* Associative arrays. */ | |
2274 | ||
2275 | PP(pp_each) | |
2276 | { | |
4e35701f | 2277 | djSP; dTARGET; |
79072805 | 2278 | HV *hash = (HV*)POPs; |
c07a80fd | 2279 | HE *entry; |
54310121 | 2280 | I32 gimme = GIMME_V; |
c750a3ec | 2281 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 2282 | |
c07a80fd | 2283 | PUTBACK; |
c750a3ec MB |
2284 | /* might clobber stack_sp */ |
2285 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 2286 | SPAGAIN; |
79072805 | 2287 | |
79072805 LW |
2288 | EXTEND(SP, 2); |
2289 | if (entry) { | |
54310121 | 2290 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
2291 | if (gimme == G_ARRAY) { | |
c07a80fd | 2292 | PUTBACK; |
c750a3ec MB |
2293 | /* might clobber stack_sp */ |
2294 | sv_setsv(TARG, realhv ? | |
2295 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry)); | |
c07a80fd | 2296 | SPAGAIN; |
8990e307 | 2297 | PUSHs(TARG); |
79072805 | 2298 | } |
79072805 | 2299 | } |
54310121 | 2300 | else if (gimme == G_SCALAR) |
79072805 LW |
2301 | RETPUSHUNDEF; |
2302 | ||
2303 | RETURN; | |
2304 | } | |
2305 | ||
2306 | PP(pp_values) | |
2307 | { | |
2308 | return do_kv(ARGS); | |
2309 | } | |
2310 | ||
2311 | PP(pp_keys) | |
2312 | { | |
2313 | return do_kv(ARGS); | |
2314 | } | |
2315 | ||
2316 | PP(pp_delete) | |
2317 | { | |
4e35701f | 2318 | djSP; |
54310121 | 2319 | I32 gimme = GIMME_V; |
2320 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 2321 | SV *sv; |
5f05dabc | 2322 | HV *hv; |
2323 | ||
2324 | if (op->op_private & OPpSLICE) { | |
2325 | dMARK; dORIGMARK; | |
97fcbf96 | 2326 | U32 hvtype; |
5f05dabc | 2327 | hv = (HV*)POPs; |
97fcbf96 | 2328 | hvtype = SvTYPE(hv); |
5f05dabc | 2329 | while (++MARK <= SP) { |
ae77835f MB |
2330 | if (hvtype == SVt_PVHV) |
2331 | sv = hv_delete_ent(hv, *MARK, discard, 0); | |
2332 | else if (hvtype == SVt_PVAV) | |
2333 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); | |
2334 | else | |
2335 | DIE("Not a HASH reference"); | |
5f05dabc | 2336 | *MARK = sv ? sv : &sv_undef; |
2337 | } | |
54310121 | 2338 | if (discard) |
2339 | SP = ORIGMARK; | |
2340 | else if (gimme == G_SCALAR) { | |
5f05dabc | 2341 | MARK = ORIGMARK; |
2342 | *++MARK = *SP; | |
2343 | SP = MARK; | |
2344 | } | |
2345 | } | |
2346 | else { | |
2347 | SV *keysv = POPs; | |
2348 | hv = (HV*)POPs; | |
97fcbf96 MB |
2349 | if (SvTYPE(hv) == SVt_PVHV) |
2350 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
2351 | else if (SvTYPE(hv) == SVt_PVAV) | |
2352 | sv = avhv_delete_ent((AV*)hv, keysv, discard, 0); | |
2353 | else | |
5f05dabc | 2354 | DIE("Not a HASH reference"); |
5f05dabc | 2355 | if (!sv) |
2356 | sv = &sv_undef; | |
54310121 | 2357 | if (!discard) |
2358 | PUSHs(sv); | |
79072805 | 2359 | } |
79072805 LW |
2360 | RETURN; |
2361 | } | |
2362 | ||
a0d0e21e | 2363 | PP(pp_exists) |
79072805 | 2364 | { |
4e35701f | 2365 | djSP; |
a0d0e21e LW |
2366 | SV *tmpsv = POPs; |
2367 | HV *hv = (HV*)POPs; | |
c750a3ec | 2368 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 2369 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec MB |
2370 | RETPUSHYES; |
2371 | } else if (SvTYPE(hv) == SVt_PVAV) { | |
ae77835f | 2372 | if (avhv_exists_ent((AV*)hv, tmpsv, 0)) |
c750a3ec MB |
2373 | RETPUSHYES; |
2374 | } else { | |
a0d0e21e LW |
2375 | DIE("Not a HASH reference"); |
2376 | } | |
a0d0e21e LW |
2377 | RETPUSHNO; |
2378 | } | |
79072805 | 2379 | |
a0d0e21e LW |
2380 | PP(pp_hslice) |
2381 | { | |
4e35701f | 2382 | djSP; dMARK; dORIGMARK; |
f12c7020 | 2383 | register HE *he; |
a0d0e21e LW |
2384 | register HV *hv = (HV*)POPs; |
2385 | register I32 lval = op->op_flags & OPf_MOD; | |
c750a3ec | 2386 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 2387 | |
c750a3ec | 2388 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 2389 | while (++MARK <= SP) { |
f12c7020 | 2390 | SV *keysv = *MARK; |
ae77835f MB |
2391 | SV **svp; |
2392 | if (realhv) { | |
2393 | he = hv_fetch_ent(hv, keysv, lval, 0); | |
2394 | svp = he ? &HeVAL(he) : 0; | |
2395 | } else { | |
97fcbf96 | 2396 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 2397 | } |
a0d0e21e | 2398 | if (lval) { |
f12c7020 | 2399 | if (!he || HeVAL(he) == &sv_undef) |
2400 | DIE(no_helem, SvPV(keysv, na)); | |
a0d0e21e | 2401 | if (op->op_private & OPpLVAL_INTRO) |
161b7d16 | 2402 | save_helem(hv, keysv, &HeVAL(he)); |
93a17b20 | 2403 | } |
f12c7020 | 2404 | *MARK = he ? HeVAL(he) : &sv_undef; |
79072805 LW |
2405 | } |
2406 | } | |
a0d0e21e LW |
2407 | if (GIMME != G_ARRAY) { |
2408 | MARK = ORIGMARK; | |
2409 | *++MARK = *SP; | |
2410 | SP = MARK; | |
79072805 | 2411 | } |
a0d0e21e LW |
2412 | RETURN; |
2413 | } | |
2414 | ||
2415 | /* List operators. */ | |
2416 | ||
2417 | PP(pp_list) | |
2418 | { | |
4e35701f | 2419 | djSP; dMARK; |
a0d0e21e LW |
2420 | if (GIMME != G_ARRAY) { |
2421 | if (++MARK <= SP) | |
2422 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 2423 | else |
a0d0e21e LW |
2424 | *MARK = &sv_undef; |
2425 | SP = MARK; | |
79072805 | 2426 | } |
a0d0e21e | 2427 | RETURN; |
79072805 LW |
2428 | } |
2429 | ||
a0d0e21e | 2430 | PP(pp_lslice) |
79072805 | 2431 | { |
4e35701f | 2432 | djSP; |
a0d0e21e LW |
2433 | SV **lastrelem = stack_sp; |
2434 | SV **lastlelem = stack_base + POPMARK; | |
2435 | SV **firstlelem = stack_base + POPMARK + 1; | |
2436 | register SV **firstrelem = lastlelem + 1; | |
2437 | I32 arybase = curcop->cop_arybase; | |
4633a7c4 LW |
2438 | I32 lval = op->op_flags & OPf_MOD; |
2439 | I32 is_something_there = lval; | |
79072805 | 2440 | |
a0d0e21e LW |
2441 | register I32 max = lastrelem - lastlelem; |
2442 | register SV **lelem; | |
2443 | register I32 ix; | |
2444 | ||
2445 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
2446 | ix = SvIVx(*lastlelem); |
2447 | if (ix < 0) | |
2448 | ix += max; | |
2449 | else | |
2450 | ix -= arybase; | |
a0d0e21e LW |
2451 | if (ix < 0 || ix >= max) |
2452 | *firstlelem = &sv_undef; | |
2453 | else | |
2454 | *firstlelem = firstrelem[ix]; | |
2455 | SP = firstlelem; | |
2456 | RETURN; | |
2457 | } | |
2458 | ||
2459 | if (max == 0) { | |
2460 | SP = firstlelem - 1; | |
2461 | RETURN; | |
2462 | } | |
2463 | ||
2464 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 2465 | ix = SvIVx(*lelem); |
a0d0e21e LW |
2466 | if (ix < 0) { |
2467 | ix += max; | |
2468 | if (ix < 0) | |
2469 | *lelem = &sv_undef; | |
2470 | else if (!(*lelem = firstrelem[ix])) | |
2471 | *lelem = &sv_undef; | |
79072805 | 2472 | } |
748a9306 LW |
2473 | else { |
2474 | ix -= arybase; | |
2475 | if (ix >= max || !(*lelem = firstrelem[ix])) | |
2476 | *lelem = &sv_undef; | |
2477 | } | |
ff0cee69 | 2478 | if (!is_something_there && (SvOK(*lelem) || SvGMAGICAL(*lelem))) |
4633a7c4 | 2479 | is_something_there = TRUE; |
79072805 | 2480 | } |
4633a7c4 LW |
2481 | if (is_something_there) |
2482 | SP = lastlelem; | |
2483 | else | |
2484 | SP = firstlelem - 1; | |
79072805 LW |
2485 | RETURN; |
2486 | } | |
2487 | ||
a0d0e21e LW |
2488 | PP(pp_anonlist) |
2489 | { | |
4e35701f | 2490 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2491 | I32 items = SP - MARK; |
44a8e56a | 2492 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
2493 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
2494 | XPUSHs(av); | |
a0d0e21e LW |
2495 | RETURN; |
2496 | } | |
2497 | ||
2498 | PP(pp_anonhash) | |
79072805 | 2499 | { |
4e35701f | 2500 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2501 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2502 | ||
2503 | while (MARK < SP) { | |
2504 | SV* key = *++MARK; | |
a0d0e21e LW |
2505 | SV *val = NEWSV(46, 0); |
2506 | if (MARK < SP) | |
2507 | sv_setsv(val, *++MARK); | |
fb73857a | 2508 | else if (dowarn) |
1930e939 | 2509 | warn("Odd number of elements in hash assignment"); |
f12c7020 | 2510 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 2511 | } |
a0d0e21e LW |
2512 | SP = ORIGMARK; |
2513 | XPUSHs((SV*)hv); | |
79072805 LW |
2514 | RETURN; |
2515 | } | |
2516 | ||
a0d0e21e | 2517 | PP(pp_splice) |
79072805 | 2518 | { |
4e35701f | 2519 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2520 | register AV *ary = (AV*)*++MARK; |
2521 | register SV **src; | |
2522 | register SV **dst; | |
2523 | register I32 i; | |
2524 | register I32 offset; | |
2525 | register I32 length; | |
2526 | I32 newlen; | |
2527 | I32 after; | |
2528 | I32 diff; | |
2529 | SV **tmparyval = 0; | |
93965878 NIS |
2530 | MAGIC *mg; |
2531 | ||
2532 | if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) { | |
2533 | *MARK-- = mg->mg_obj; | |
2534 | PUSHMARK(MARK); | |
8ec5e241 | 2535 | PUTBACK; |
a60c0954 | 2536 | ENTER; |
93965878 | 2537 | perl_call_method("SPLICE",GIMME_V); |
a60c0954 | 2538 | LEAVE; |
93965878 NIS |
2539 | SPAGAIN; |
2540 | RETURN; | |
2541 | } | |
79072805 | 2542 | |
a0d0e21e | 2543 | SP++; |
79072805 | 2544 | |
a0d0e21e | 2545 | if (++MARK < SP) { |
84902520 | 2546 | offset = i = SvIVx(*MARK); |
a0d0e21e | 2547 | if (offset < 0) |
93965878 | 2548 | offset += AvFILLp(ary) + 1; |
a0d0e21e LW |
2549 | else |
2550 | offset -= curcop->cop_arybase; | |
84902520 TB |
2551 | if (offset < 0) |
2552 | DIE(no_aelem, i); | |
a0d0e21e LW |
2553 | if (++MARK < SP) { |
2554 | length = SvIVx(*MARK++); | |
2555 | if (length < 0) | |
2556 | length = 0; | |
79072805 LW |
2557 | } |
2558 | else | |
a0d0e21e | 2559 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 2560 | } |
a0d0e21e LW |
2561 | else { |
2562 | offset = 0; | |
2563 | length = AvMAX(ary) + 1; | |
2564 | } | |
93965878 NIS |
2565 | if (offset > AvFILLp(ary) + 1) |
2566 | offset = AvFILLp(ary) + 1; | |
2567 | after = AvFILLp(ary) + 1 - (offset + length); | |
a0d0e21e LW |
2568 | if (after < 0) { /* not that much array */ |
2569 | length += after; /* offset+length now in array */ | |
2570 | after = 0; | |
2571 | if (!AvALLOC(ary)) | |
2572 | av_extend(ary, 0); | |
2573 | } | |
2574 | ||
2575 | /* At this point, MARK .. SP-1 is our new LIST */ | |
2576 | ||
2577 | newlen = SP - MARK; | |
2578 | diff = newlen - length; | |
fb73857a | 2579 | if (newlen && !AvREAL(ary)) { |
2580 | if (AvREIFY(ary)) | |
2581 | av_reify(ary); | |
2582 | else | |
2583 | assert(AvREAL(ary)); /* would leak, so croak */ | |
2584 | } | |
a0d0e21e LW |
2585 | |
2586 | if (diff < 0) { /* shrinking the area */ | |
2587 | if (newlen) { | |
2588 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
2589 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 2590 | } |
a0d0e21e LW |
2591 | |
2592 | MARK = ORIGMARK + 1; | |
2593 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2594 | MEXTEND(MARK, length); | |
2595 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
2596 | if (AvREAL(ary)) { | |
bbce6d69 | 2597 | EXTEND_MORTAL(length); |
36477c24 | 2598 | for (i = length, dst = MARK; i; i--) { |
2599 | if (!SvIMMORTAL(*dst)) | |
2600 | sv_2mortal(*dst); /* free them eventualy */ | |
2601 | dst++; | |
2602 | } | |
a0d0e21e LW |
2603 | } |
2604 | MARK += length - 1; | |
79072805 | 2605 | } |
a0d0e21e LW |
2606 | else { |
2607 | *MARK = AvARRAY(ary)[offset+length-1]; | |
2608 | if (AvREAL(ary)) { | |
36477c24 | 2609 | if (!SvIMMORTAL(*MARK)) |
2610 | sv_2mortal(*MARK); | |
a0d0e21e LW |
2611 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2612 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 2613 | } |
a0d0e21e | 2614 | } |
93965878 | 2615 | AvFILLp(ary) += diff; |
a0d0e21e LW |
2616 | |
2617 | /* pull up or down? */ | |
2618 | ||
2619 | if (offset < after) { /* easier to pull up */ | |
2620 | if (offset) { /* esp. if nothing to pull */ | |
2621 | src = &AvARRAY(ary)[offset-1]; | |
2622 | dst = src - diff; /* diff is negative */ | |
2623 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
2624 | *dst-- = *src--; | |
79072805 | 2625 | } |
a0d0e21e LW |
2626 | dst = AvARRAY(ary); |
2627 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
2628 | AvMAX(ary) += diff; | |
2629 | } | |
2630 | else { | |
2631 | if (after) { /* anything to pull down? */ | |
2632 | src = AvARRAY(ary) + offset + length; | |
2633 | dst = src + diff; /* diff is negative */ | |
2634 | Move(src, dst, after, SV*); | |
79072805 | 2635 | } |
93965878 | 2636 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
2637 | /* avoid later double free */ |
2638 | } | |
2639 | i = -diff; | |
2640 | while (i) | |
2641 | dst[--i] = &sv_undef; | |
2642 | ||
2643 | if (newlen) { | |
2644 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
2645 | newlen; newlen--) { | |
2646 | *dst = NEWSV(46, 0); | |
2647 | sv_setsv(*dst++, *src++); | |
79072805 | 2648 | } |
a0d0e21e LW |
2649 | Safefree(tmparyval); |
2650 | } | |
2651 | } | |
2652 | else { /* no, expanding (or same) */ | |
2653 | if (length) { | |
2654 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
2655 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
2656 | } | |
2657 | ||
2658 | if (diff > 0) { /* expanding */ | |
2659 | ||
2660 | /* push up or down? */ | |
2661 | ||
2662 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
2663 | if (offset) { | |
2664 | src = AvARRAY(ary); | |
2665 | dst = src - diff; | |
2666 | Move(src, dst, offset, SV*); | |
79072805 | 2667 | } |
a0d0e21e LW |
2668 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2669 | AvMAX(ary) += diff; | |
93965878 | 2670 | AvFILLp(ary) += diff; |
79072805 LW |
2671 | } |
2672 | else { | |
93965878 NIS |
2673 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2674 | av_extend(ary, AvFILLp(ary) + diff); | |
2675 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
2676 | |
2677 | if (after) { | |
93965878 | 2678 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
2679 | src = dst - diff; |
2680 | for (i = after; i; i--) { | |
2681 | *dst-- = *src--; | |
2682 | } | |
79072805 LW |
2683 | } |
2684 | } | |
a0d0e21e LW |
2685 | } |
2686 | ||
2687 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
2688 | *dst = NEWSV(46, 0); | |
2689 | sv_setsv(*dst++, *src++); | |
2690 | } | |
2691 | MARK = ORIGMARK + 1; | |
2692 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2693 | if (length) { | |
2694 | Copy(tmparyval, MARK, length, SV*); | |
2695 | if (AvREAL(ary)) { | |
bbce6d69 | 2696 | EXTEND_MORTAL(length); |
36477c24 | 2697 | for (i = length, dst = MARK; i; i--) { |
2698 | if (!SvIMMORTAL(*dst)) | |
2699 | sv_2mortal(*dst); /* free them eventualy */ | |
2700 | dst++; | |
2701 | } | |
79072805 | 2702 | } |
a0d0e21e | 2703 | Safefree(tmparyval); |
79072805 | 2704 | } |
a0d0e21e LW |
2705 | MARK += length - 1; |
2706 | } | |
2707 | else if (length--) { | |
2708 | *MARK = tmparyval[length]; | |
2709 | if (AvREAL(ary)) { | |
36477c24 | 2710 | if (!SvIMMORTAL(*MARK)) |
2711 | sv_2mortal(*MARK); | |
a0d0e21e LW |
2712 | while (length-- > 0) |
2713 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 2714 | } |
a0d0e21e | 2715 | Safefree(tmparyval); |
79072805 | 2716 | } |
a0d0e21e LW |
2717 | else |
2718 | *MARK = &sv_undef; | |
79072805 | 2719 | } |
a0d0e21e | 2720 | SP = MARK; |
79072805 LW |
2721 | RETURN; |
2722 | } | |
2723 | ||
a0d0e21e | 2724 | PP(pp_push) |
79072805 | 2725 | { |
4e35701f | 2726 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 2727 | register AV *ary = (AV*)*++MARK; |
8ec5e241 | 2728 | register SV *sv = &sv_undef; |
93965878 | 2729 | MAGIC *mg; |
8ec5e241 | 2730 | |
93965878 NIS |
2731 | if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) { |
2732 | *MARK-- = mg->mg_obj; | |
2733 | PUSHMARK(MARK); | |
2734 | PUTBACK; | |
a60c0954 NIS |
2735 | ENTER; |
2736 | perl_call_method("PUSH",G_SCALAR|G_DISCARD); | |
2737 | LEAVE; | |
93965878 | 2738 | SPAGAIN; |
93965878 | 2739 | } |
a60c0954 NIS |
2740 | else { |
2741 | /* Why no pre-extend of ary here ? */ | |
2742 | for (++MARK; MARK <= SP; MARK++) { | |
2743 | sv = NEWSV(51, 0); | |
2744 | if (*MARK) | |
2745 | sv_setsv(sv, *MARK); | |
2746 | av_push(ary, sv); | |
2747 | } | |
79072805 LW |
2748 | } |
2749 | SP = ORIGMARK; | |
a0d0e21e | 2750 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
2751 | RETURN; |
2752 | } | |
2753 | ||
a0d0e21e | 2754 | PP(pp_pop) |
79072805 | 2755 | { |
4e35701f | 2756 | djSP; |
a0d0e21e LW |
2757 | AV *av = (AV*)POPs; |
2758 | SV *sv = av_pop(av); | |
36477c24 | 2759 | if (!SvIMMORTAL(sv) && AvREAL(av)) |
a0d0e21e LW |
2760 | (void)sv_2mortal(sv); |
2761 | PUSHs(sv); | |
79072805 | 2762 | RETURN; |
79072805 LW |
2763 | } |
2764 | ||
a0d0e21e | 2765 | PP(pp_shift) |
79072805 | 2766 | { |
4e35701f | 2767 | djSP; |
a0d0e21e LW |
2768 | AV *av = (AV*)POPs; |
2769 | SV *sv = av_shift(av); | |
79072805 | 2770 | EXTEND(SP, 1); |
a0d0e21e | 2771 | if (!sv) |
79072805 | 2772 | RETPUSHUNDEF; |
36477c24 | 2773 | if (!SvIMMORTAL(sv) && AvREAL(av)) |
a0d0e21e LW |
2774 | (void)sv_2mortal(sv); |
2775 | PUSHs(sv); | |
79072805 | 2776 | RETURN; |
79072805 LW |
2777 | } |
2778 | ||
a0d0e21e | 2779 | PP(pp_unshift) |
79072805 | 2780 | { |
4e35701f | 2781 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
2782 | register AV *ary = (AV*)*++MARK; |
2783 | register SV *sv; | |
2784 | register I32 i = 0; | |
93965878 NIS |
2785 | MAGIC *mg; |
2786 | ||
8ec5e241 | 2787 | if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) { |
93965878 | 2788 | *MARK-- = mg->mg_obj; |
7fd66d9d | 2789 | PUSHMARK(MARK); |
93965878 | 2790 | PUTBACK; |
a60c0954 NIS |
2791 | ENTER; |
2792 | perl_call_method("UNSHIFT",G_SCALAR|G_DISCARD); | |
2793 | LEAVE; | |
93965878 | 2794 | SPAGAIN; |
93965878 | 2795 | } |
a60c0954 NIS |
2796 | else { |
2797 | av_unshift(ary, SP - MARK); | |
2798 | while (MARK < SP) { | |
2799 | sv = NEWSV(27, 0); | |
2800 | sv_setsv(sv, *++MARK); | |
2801 | (void)av_store(ary, i++, sv); | |
2802 | } | |
79072805 | 2803 | } |
a0d0e21e LW |
2804 | SP = ORIGMARK; |
2805 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 2806 | RETURN; |
79072805 LW |
2807 | } |
2808 | ||
a0d0e21e | 2809 | PP(pp_reverse) |
79072805 | 2810 | { |
4e35701f | 2811 | djSP; dMARK; |
a0d0e21e LW |
2812 | register SV *tmp; |
2813 | SV **oldsp = SP; | |
79072805 | 2814 | |
a0d0e21e LW |
2815 | if (GIMME == G_ARRAY) { |
2816 | MARK++; | |
2817 | while (MARK < SP) { | |
2818 | tmp = *MARK; | |
2819 | *MARK++ = *SP; | |
2820 | *SP-- = tmp; | |
2821 | } | |
2822 | SP = oldsp; | |
79072805 LW |
2823 | } |
2824 | else { | |
a0d0e21e LW |
2825 | register char *up; |
2826 | register char *down; | |
2827 | register I32 tmp; | |
2828 | dTARGET; | |
2829 | STRLEN len; | |
79072805 | 2830 | |
a0d0e21e LW |
2831 | if (SP - MARK > 1) |
2832 | do_join(TARG, &sv_no, MARK, SP); | |
2833 | else | |
54b9620d | 2834 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
2835 | up = SvPV_force(TARG, len); |
2836 | if (len > 1) { | |
2837 | down = SvPVX(TARG) + len - 1; | |
2838 | while (down > up) { | |
2839 | tmp = *up; | |
2840 | *up++ = *down; | |
2841 | *down-- = tmp; | |
2842 | } | |
2843 | (void)SvPOK_only(TARG); | |
79072805 | 2844 | } |
a0d0e21e LW |
2845 | SP = MARK + 1; |
2846 | SETTARG; | |
79072805 | 2847 | } |
a0d0e21e | 2848 | RETURN; |
79072805 LW |
2849 | } |
2850 | ||
55497cff | 2851 | static SV * |
8ac85365 | 2852 | mul128(SV *sv, U8 m) |
55497cff | 2853 | { |
2854 | STRLEN len; | |
2855 | char *s = SvPV(sv, len); | |
2856 | char *t; | |
2857 | U32 i = 0; | |
2858 | ||
2859 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ | |
09b7f37c | 2860 | SV *tmpNew = newSVpv("0000000000", 10); |
55497cff | 2861 | |
09b7f37c | 2862 | sv_catsv(tmpNew, sv); |
55497cff | 2863 | SvREFCNT_dec(sv); /* free old sv */ |
09b7f37c | 2864 | sv = tmpNew; |
55497cff | 2865 | s = SvPV(sv, len); |
2866 | } | |
2867 | t = s + len - 1; | |
2868 | while (!*t) /* trailing '\0'? */ | |
2869 | t--; | |
2870 | while (t > s) { | |
2871 | i = ((*t - '0') << 7) + m; | |
2872 | *(t--) = '0' + (i % 10); | |
2873 | m = i / 10; | |
2874 | } | |
2875 | return (sv); | |
2876 | } | |
2877 | ||
a0d0e21e LW |
2878 | /* Explosives and implosives. */ |
2879 | ||
2880 | PP(pp_unpack) | |
79072805 | 2881 | { |
4e35701f | 2882 | djSP; |
a0d0e21e | 2883 | dPOPPOPssrl; |
924508f0 | 2884 | SV **oldsp = SP; |
54310121 | 2885 | I32 gimme = GIMME_V; |
ed6116ce | 2886 | SV *sv; |
a0d0e21e LW |
2887 | STRLEN llen; |
2888 | STRLEN rlen; | |
2889 | register char *pat = SvPV(left, llen); | |
2890 | register char *s = SvPV(right, rlen); | |
2891 | char *strend = s + rlen; | |
2892 | char *strbeg = s; | |
2893 | register char *patend = pat + llen; | |
2894 | I32 datumtype; | |
2895 | register I32 len; | |
2896 | register I32 bits; | |
79072805 | 2897 | |
a0d0e21e LW |
2898 | /* These must not be in registers: */ |
2899 | I16 ashort; | |
2900 | int aint; | |
2901 | I32 along; | |
ecfc5424 AD |
2902 | #ifdef HAS_QUAD |
2903 | Quad_t aquad; | |
a0d0e21e LW |
2904 | #endif |
2905 | U16 aushort; | |
2906 | unsigned int auint; | |
2907 | U32 aulong; | |
ecfc5424 AD |
2908 | #ifdef HAS_QUAD |
2909 | unsigned Quad_t auquad; | |
a0d0e21e LW |
2910 | #endif |
2911 | char *aptr; | |
2912 | float afloat; | |
2913 | double adouble; | |
2914 | I32 checksum = 0; | |
2915 | register U32 culong; | |
2916 | double cdouble; | |
2917 | static char* bitcount = 0; | |
fb73857a | 2918 | int commas = 0; |
79072805 | 2919 | |
54310121 | 2920 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
a0d0e21e LW |
2921 | /*SUPPRESS 530*/ |
2922 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
748a9306 | 2923 | if (strchr("aAbBhHP", *patend) || *pat == '%') { |
a0d0e21e LW |
2924 | patend++; |
2925 | while (isDIGIT(*patend) || *patend == '*') | |
2926 | patend++; | |
2927 | } | |
2928 | else | |
2929 | patend++; | |
79072805 | 2930 | } |
a0d0e21e LW |
2931 | while (pat < patend) { |
2932 | reparse: | |
bbdab043 CS |
2933 | datumtype = *pat++ & 0xFF; |
2934 | if (isSPACE(datumtype)) | |
2935 | continue; | |
a0d0e21e LW |
2936 | if (pat >= patend) |
2937 | len = 1; | |
2938 | else if (*pat == '*') { | |
2939 | len = strend - strbeg; /* long enough */ | |
2940 | pat++; | |
2941 | } | |
2942 | else if (isDIGIT(*pat)) { | |
2943 | len = *pat++ - '0'; | |
2944 | while (isDIGIT(*pat)) | |
2945 | len = (len * 10) + (*pat++ - '0'); | |
2946 | } | |
2947 | else | |
2948 | len = (datumtype != '@'); | |
2949 | switch(datumtype) { | |
2950 | default: | |
bbdab043 | 2951 | croak("Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 2952 | case ',': /* grandfather in commas but with a warning */ |
2953 | if (commas++ == 0 && dowarn) | |
2954 | warn("Invalid type in unpack: '%c'", (int)datumtype); | |
2955 | break; | |
a0d0e21e LW |
2956 | case '%': |
2957 | if (len == 1 && pat[-1] != '1') | |
2958 | len = 16; | |
2959 | checksum = len; | |
2960 | culong = 0; | |
2961 | cdouble = 0; | |
2962 | if (pat < patend) | |
2963 | goto reparse; | |
2964 | break; | |
2965 | case '@': | |
2966 | if (len > strend - strbeg) | |
2967 | DIE("@ outside of string"); | |
2968 | s = strbeg + len; | |
2969 | break; | |
2970 | case 'X': | |
2971 | if (len > s - strbeg) | |
2972 | DIE("X outside of string"); | |
2973 | s -= len; | |
2974 | break; | |
2975 | case 'x': | |
2976 | if (len > strend - s) | |
2977 | DIE("x outside of string"); | |
2978 | s += len; | |
2979 | break; | |
2980 | case 'A': | |
2981 | case 'a': | |
2982 | if (len > strend - s) | |
2983 | len = strend - s; | |
2984 | if (checksum) | |
2985 | goto uchar_checksum; | |
2986 | sv = NEWSV(35, len); | |
2987 | sv_setpvn(sv, s, len); | |
2988 | s += len; | |
2989 | if (datumtype == 'A') { | |
2990 | aptr = s; /* borrow register */ | |
2991 | s = SvPVX(sv) + len - 1; | |
2992 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) | |
2993 | s--; | |
2994 | *++s = '\0'; | |
2995 | SvCUR_set(sv, s - SvPVX(sv)); | |
2996 | s = aptr; /* unborrow register */ | |
2997 | } | |
2998 | XPUSHs(sv_2mortal(sv)); | |
2999 | break; | |
3000 | case 'B': | |
3001 | case 'b': | |
3002 | if (pat[-1] == '*' || len > (strend - s) * 8) | |
3003 | len = (strend - s) * 8; | |
3004 | if (checksum) { | |
3005 | if (!bitcount) { | |
3006 | Newz(601, bitcount, 256, char); | |
3007 | for (bits = 1; bits < 256; bits++) { | |
3008 | if (bits & 1) bitcount[bits]++; | |
3009 | if (bits & 2) bitcount[bits]++; | |
3010 | if (bits & 4) bitcount[bits]++; | |
3011 | if (bits & 8) bitcount[bits]++; | |
3012 | if (bits & 16) bitcount[bits]++; | |
3013 | if (bits & 32) bitcount[bits]++; | |
3014 | if (bits & 64) bitcount[bits]++; | |
3015 | if (bits & 128) bitcount[bits]++; | |
3016 | } | |
3017 | } | |
3018 | while (len >= 8) { | |
3019 | culong += bitcount[*(unsigned char*)s++]; | |
3020 | len -= 8; | |
3021 | } | |
3022 | if (len) { | |
3023 | bits = *s; | |
3024 | if (datumtype == 'b') { | |
3025 | while (len-- > 0) { | |
3026 | if (bits & 1) culong++; | |
3027 | bits >>= 1; | |
3028 | } | |
3029 | } | |
3030 | else { | |
3031 | while (len-- > 0) { | |
3032 | if (bits & 128) culong++; | |
3033 | bits <<= 1; | |
3034 | } | |
3035 | } | |
3036 | } | |
79072805 LW |
3037 | break; |
3038 | } | |
a0d0e21e LW |
3039 | sv = NEWSV(35, len + 1); |
3040 | SvCUR_set(sv, len); | |
3041 | SvPOK_on(sv); | |
3042 | aptr = pat; /* borrow register */ | |
3043 | pat = SvPVX(sv); | |
3044 | if (datumtype == 'b') { | |
3045 | aint = len; | |
3046 | for (len = 0; len < aint; len++) { | |
3047 | if (len & 7) /*SUPPRESS 595*/ | |
3048 | bits >>= 1; | |
3049 | else | |
3050 | bits = *s++; | |
3051 | *pat++ = '0' + (bits & 1); | |
3052 | } | |
3053 | } | |
3054 | else { | |
3055 | aint = len; | |
3056 | for (len = 0; len < aint; len++) { | |
3057 | if (len & 7) | |
3058 | bits <<= 1; | |
3059 | else | |
3060 | bits = *s++; | |
3061 | *pat++ = '0' + ((bits & 128) != 0); | |
3062 | } | |
3063 | } | |
3064 | *pat = '\0'; | |
3065 | pat = aptr; /* unborrow register */ | |
3066 | XPUSHs(sv_2mortal(sv)); | |
3067 | break; | |
3068 | case 'H': | |
3069 | case 'h': | |
3070 | if (pat[-1] == '*' || len > (strend - s) * 2) | |
3071 | len = (strend - s) * 2; | |
3072 | sv = NEWSV(35, len + 1); | |
3073 | SvCUR_set(sv, len); | |
3074 | SvPOK_on(sv); | |
3075 | aptr = pat; /* borrow register */ | |
3076 | pat = SvPVX(sv); | |
3077 | if (datumtype == 'h') { | |
3078 | aint = len; | |
3079 | for (len = 0; len < aint; len++) { | |
3080 | if (len & 1) | |
3081 | bits >>= 4; | |
3082 | else | |
3083 | bits = *s++; | |
3084 | *pat++ = hexdigit[bits & 15]; | |
3085 | } | |
3086 | } | |
3087 | else { | |
3088 | aint = len; | |
3089 | for (len = 0; len < aint; len++) { | |
3090 | if (len & 1) | |
3091 | bits <<= 4; | |
3092 | else | |
3093 | bits = *s++; | |
3094 | *pat++ = hexdigit[(bits >> 4) & 15]; | |
3095 | } | |
3096 | } | |
3097 | *pat = '\0'; | |
3098 | pat = aptr; /* unborrow register */ | |
3099 | XPUSHs(sv_2mortal(sv)); | |
3100 | break; | |
3101 | case 'c': | |
3102 | if (len > strend - s) | |
3103 | len = strend - s; | |
3104 | if (checksum) { | |
3105 | while (len-- > 0) { | |
3106 | aint = *s++; | |
3107 | if (aint >= 128) /* fake up signed chars */ | |
3108 | aint -= 256; | |
3109 | culong += aint; | |
3110 | } | |
3111 | } | |
3112 | else { | |
3113 | EXTEND(SP, len); | |
bbce6d69 | 3114 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3115 | while (len-- > 0) { |
3116 | aint = *s++; | |
3117 | if (aint >= 128) /* fake up signed chars */ | |
3118 | aint -= 256; | |
3119 | sv = NEWSV(36, 0); | |
1e422769 | 3120 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3121 | PUSHs(sv_2mortal(sv)); |
3122 | } | |
3123 | } | |
3124 | break; | |
3125 | case 'C': | |
3126 | if (len > strend - s) | |
3127 | len = strend - s; | |
3128 | if (checksum) { | |
3129 | uchar_checksum: | |
3130 | while (len-- > 0) { | |
3131 | auint = *s++ & 255; | |
3132 | culong += auint; | |
3133 | } | |
3134 | } | |
3135 | else { | |
3136 | EXTEND(SP, len); | |
bbce6d69 | 3137 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3138 | while (len-- > 0) { |
3139 | auint = *s++ & 255; | |
3140 | sv = NEWSV(37, 0); | |
1e422769 | 3141 | sv_setiv(sv, (IV)auint); |
a0d0e21e LW |
3142 | PUSHs(sv_2mortal(sv)); |
3143 | } | |
3144 | } | |
3145 | break; | |
3146 | case 's': | |
96e4d5b1 | 3147 | along = (strend - s) / SIZE16; |
a0d0e21e LW |
3148 | if (len > along) |
3149 | len = along; | |
3150 | if (checksum) { | |
3151 | while (len-- > 0) { | |
96e4d5b1 | 3152 | COPY16(s, &ashort); |
3153 | s += SIZE16; | |
a0d0e21e LW |
3154 | culong += ashort; |
3155 | } | |
3156 | } | |
3157 | else { | |
3158 | EXTEND(SP, len); | |
bbce6d69 | 3159 | EXTEND_MORTAL(len); |
a0d0e21e | 3160 | while (len-- > 0) { |
96e4d5b1 | 3161 | COPY16(s, &ashort); |
3162 | s += SIZE16; | |
a0d0e21e | 3163 | sv = NEWSV(38, 0); |
1e422769 | 3164 | sv_setiv(sv, (IV)ashort); |
a0d0e21e LW |
3165 | PUSHs(sv_2mortal(sv)); |
3166 | } | |
3167 | } | |
3168 | break; | |
3169 | case 'v': | |
3170 | case 'n': | |
3171 | case 'S': | |
96e4d5b1 | 3172 | along = (strend - s) / SIZE16; |
a0d0e21e LW |
3173 | if (len > along) |
3174 | len = along; | |
3175 | if (checksum) { | |
3176 | while (len-- > 0) { | |
96e4d5b1 | 3177 | COPY16(s, &aushort); |
3178 | s += SIZE16; | |
a0d0e21e LW |
3179 | #ifdef HAS_NTOHS |
3180 | if (datumtype == 'n') | |
3028581b | 3181 | aushort = PerlSock_ntohs(aushort); |
79072805 | 3182 | #endif |
a0d0e21e LW |
3183 | #ifdef HAS_VTOHS |
3184 | if (datumtype == 'v') | |
3185 | aushort = vtohs(aushort); | |
79072805 | 3186 | #endif |
a0d0e21e LW |
3187 | culong += aushort; |
3188 | } | |
3189 | } | |
3190 | else { | |
3191 | EXTEND(SP, len); | |
bbce6d69 | 3192 | EXTEND_MORTAL(len); |
a0d0e21e | 3193 | while (len-- > 0) { |
96e4d5b1 | 3194 | COPY16(s, &aushort); |
3195 | s += SIZE16; | |
a0d0e21e LW |
3196 | sv = NEWSV(39, 0); |
3197 | #ifdef HAS_NTOHS | |
3198 | if (datumtype == 'n') | |
3028581b | 3199 | aushort = PerlSock_ntohs(aushort); |
79072805 | 3200 | #endif |
a0d0e21e LW |
3201 | #ifdef HAS_VTOHS |
3202 | if (datumtype == 'v') | |
3203 | aushort = vtohs(aushort); | |
79072805 | 3204 | #endif |
1e422769 | 3205 | sv_setiv(sv, (IV)aushort); |
a0d0e21e LW |
3206 | PUSHs(sv_2mortal(sv)); |
3207 | } | |
3208 | } | |
3209 | break; | |
3210 | case 'i': | |
3211 | along = (strend - s) / sizeof(int); | |
3212 | if (len > along) | |
3213 | len = along; | |
3214 | if (checksum) { | |
3215 | while (len-- > 0) { | |
3216 | Copy(s, &aint, 1, int); | |
3217 | s += sizeof(int); | |
3218 | if (checksum > 32) | |
3219 | cdouble += (double)aint; | |
3220 | else | |
3221 | culong += aint; | |
3222 | } | |
3223 | } | |
3224 | else { | |
3225 | EXTEND(SP, len); | |
bbce6d69 | 3226 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3227 | while (len-- > 0) { |
3228 | Copy(s, &aint, 1, int); | |
3229 | s += sizeof(int); | |
3230 | sv = NEWSV(40, 0); | |
20408e3c GS |
3231 | #ifdef __osf__ |
3232 | /* Without the dummy below unpack("i", pack("i",-1)) | |
3233 | * return 0xFFffFFff instead of -1 for Digital Unix V4.0 | |
3234 | * cc with optimization turned on */ | |
3235 | (aint) ? | |
3236 | sv_setiv(sv, (IV)aint) : | |
3237 | #endif | |
1e422769 | 3238 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3239 | PUSHs(sv_2mortal(sv)); |
3240 | } | |
3241 | } | |
3242 | break; | |
3243 | case 'I': | |
3244 | along = (strend - s) / sizeof(unsigned int); | |
3245 | if (len > along) | |
3246 | len = along; | |
3247 | if (checksum) { | |
3248 | while (len-- > 0) { | |
3249 | Copy(s, &auint, 1, unsigned int); | |
3250 | s += sizeof(unsigned int); | |
3251 | if (checksum > 32) | |
3252 | cdouble += (double)auint; | |
3253 | else | |
3254 | culong += auint; | |
3255 | } | |
3256 | } | |
3257 | else { | |
3258 | EXTEND(SP, len); | |
bbce6d69 | 3259 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3260 | while (len-- > 0) { |
3261 | Copy(s, &auint, 1, unsigned int); | |
3262 | s += sizeof(unsigned int); | |
3263 | sv = NEWSV(41, 0); | |
1e422769 | 3264 | sv_setuv(sv, (UV)auint); |
a0d0e21e LW |
3265 | PUSHs(sv_2mortal(sv)); |
3266 | } | |
3267 | } | |
3268 | break; | |
3269 | case 'l': | |
96e4d5b1 | 3270 | along = (strend - s) / SIZE32; |
a0d0e21e LW |
3271 | if (len > along) |
3272 | len = along; | |
3273 | if (checksum) { | |
3274 | while (len-- > 0) { | |
96e4d5b1 | 3275 | COPY32(s, &along); |
3276 | s += SIZE32; | |
a0d0e21e LW |
3277 | if (checksum > 32) |
3278 | cdouble += (double)along; | |
3279 | else | |
3280 | culong += along; | |
3281 | } | |
3282 | } | |
3283 | else { | |
3284 | EXTEND(SP, len); | |
bbce6d69 | 3285 | EXTEND_MORTAL(len); |
a0d0e21e | 3286 | while (len-- > 0) { |
96e4d5b1 | 3287 | COPY32(s, &along); |
3288 | s += SIZE32; | |
a0d0e21e | 3289 | sv = NEWSV(42, 0); |
1e422769 | 3290 | sv_setiv(sv, (IV)along); |
a0d0e21e LW |
3291 | PUSHs(sv_2mortal(sv)); |
3292 | } | |
79072805 | 3293 | } |
a0d0e21e LW |
3294 | break; |
3295 | case 'V': | |
3296 | case 'N': | |
3297 | case 'L': | |
96e4d5b1 | 3298 | along = (strend - s) / SIZE32; |
a0d0e21e LW |
3299 | if (len > along) |
3300 | len = along; | |
3301 | if (checksum) { | |
3302 | while (len-- > 0) { | |
96e4d5b1 | 3303 | COPY32(s, &aulong); |
3304 | s += SIZE32; | |
a0d0e21e LW |
3305 | #ifdef HAS_NTOHL |
3306 | if (datumtype == 'N') | |
3028581b | 3307 | aulong = PerlSock_ntohl(aulong); |
79072805 | 3308 | #endif |
a0d0e21e LW |
3309 | #ifdef HAS_VTOHL |
3310 | if (datumtype == 'V') | |
3311 | aulong = vtohl(aulong); | |
79072805 | 3312 | #endif |
a0d0e21e LW |
3313 | if (checksum > 32) |
3314 | cdouble += (double)aulong; | |
3315 | else | |
3316 | culong += aulong; | |
3317 | } | |
3318 | } | |
3319 | else { | |
3320 | EXTEND(SP, len); | |
bbce6d69 | 3321 | EXTEND_MORTAL(len); |
a0d0e21e | 3322 | while (len-- > 0) { |
96e4d5b1 | 3323 | COPY32(s, &aulong); |
3324 | s += SIZE32; | |
a0d0e21e LW |
3325 | #ifdef HAS_NTOHL |
3326 | if (datumtype == 'N') | |
3028581b | 3327 | aulong = PerlSock_ntohl(aulong); |
79072805 | 3328 | #endif |
a0d0e21e LW |
3329 | #ifdef HAS_VTOHL |
3330 | if (datumtype == 'V') | |
3331 | aulong = vtohl(aulong); | |
79072805 | 3332 | #endif |
1e422769 | 3333 | sv = NEWSV(43, 0); |
3334 | sv_setuv(sv, (UV)aulong); | |
a0d0e21e LW |
3335 | PUSHs(sv_2mortal(sv)); |
3336 | } | |
3337 | } | |
3338 | break; | |
3339 | case 'p': | |
3340 | along = (strend - s) / sizeof(char*); | |
3341 | if (len > along) | |
3342 | len = along; | |
3343 | EXTEND(SP, len); | |
bbce6d69 | 3344 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3345 | while (len-- > 0) { |
3346 | if (sizeof(char*) > strend - s) | |
3347 | break; | |
3348 | else { | |
3349 | Copy(s, &aptr, 1, char*); | |
3350 | s += sizeof(char*); | |
3351 | } | |
3352 | sv = NEWSV(44, 0); | |
3353 | if (aptr) | |
3354 | sv_setpv(sv, aptr); | |
3355 | PUSHs(sv_2mortal(sv)); | |
3356 | } | |
3357 | break; | |
def98dd4 | 3358 | case 'w': |
def98dd4 | 3359 | EXTEND(SP, len); |
bbce6d69 | 3360 | EXTEND_MORTAL(len); |
8ec5e241 | 3361 | { |
bbce6d69 | 3362 | UV auv = 0; |
3363 | U32 bytes = 0; | |
3364 | ||
3365 | while ((len > 0) && (s < strend)) { | |
3366 | auv = (auv << 7) | (*s & 0x7f); | |
3367 | if (!(*s++ & 0x80)) { | |
3368 | bytes = 0; | |
3369 | sv = NEWSV(40, 0); | |
3370 | sv_setuv(sv, auv); | |
3371 | PUSHs(sv_2mortal(sv)); | |
3372 | len--; | |
3373 | auv = 0; | |
3374 | } | |
3375 | else if (++bytes >= sizeof(UV)) { /* promote to string */ | |
bbce6d69 | 3376 | char *t; |
3377 | ||
fc36a67e | 3378 | sv = newSVpvf("%.*Vu", (int)TYPE_DIGITS(UV), auv); |
bbce6d69 | 3379 | while (s < strend) { |
3380 | sv = mul128(sv, *s & 0x7f); | |
3381 | if (!(*s++ & 0x80)) { | |
3382 | bytes = 0; | |
3383 | break; | |
3384 | } | |
3385 | } | |
3386 | t = SvPV(sv, na); | |
3387 | while (*t == '0') | |
3388 | t++; | |
3389 | sv_chop(sv, t); | |
3390 | PUSHs(sv_2mortal(sv)); | |
3391 | len--; | |
3392 | auv = 0; | |
3393 | } | |
3394 | } | |
3395 | if ((s >= strend) && bytes) | |
3396 | croak("Unterminated compressed integer"); | |
3397 | } | |
def98dd4 | 3398 | break; |
a0d0e21e LW |
3399 | case 'P': |
3400 | EXTEND(SP, 1); | |
3401 | if (sizeof(char*) > strend - s) | |
3402 | break; | |
3403 | else { | |
3404 | Copy(s, &aptr, 1, char*); | |
3405 | s += sizeof(char*); | |
3406 | } | |
3407 | sv = NEWSV(44, 0); | |
3408 | if (aptr) | |
3409 | sv_setpvn(sv, aptr, len); | |
3410 | PUSHs(sv_2mortal(sv)); | |
3411 | break; | |
ecfc5424 | 3412 | #ifdef HAS_QUAD |
a0d0e21e LW |
3413 | case 'q': |
3414 | EXTEND(SP, len); | |
bbce6d69 | 3415 | EXTEND_MORTAL(len); |
a0d0e21e | 3416 | while (len-- > 0) { |
ecfc5424 | 3417 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e LW |
3418 | aquad = 0; |
3419 | else { | |
ecfc5424 AD |
3420 | Copy(s, &aquad, 1, Quad_t); |
3421 | s += sizeof(Quad_t); | |
a0d0e21e LW |
3422 | } |
3423 | sv = NEWSV(42, 0); | |
96e4d5b1 | 3424 | if (aquad >= IV_MIN && aquad <= IV_MAX) |
3425 | sv_setiv(sv, (IV)aquad); | |
3426 | else | |
3427 | sv_setnv(sv, (double)aquad); | |
a0d0e21e LW |
3428 | PUSHs(sv_2mortal(sv)); |
3429 | } | |
3430 | break; | |
3431 | case 'Q': | |
3432 | EXTEND(SP, len); | |
bbce6d69 | 3433 | EXTEND_MORTAL(len); |
a0d0e21e | 3434 | while (len-- > 0) { |
ecfc5424 | 3435 | if (s + sizeof(unsigned Quad_t) > strend) |
a0d0e21e LW |
3436 | auquad = 0; |
3437 | else { | |
ecfc5424 AD |
3438 | Copy(s, &auquad, 1, unsigned Quad_t); |
3439 | s += sizeof(unsigned Quad_t); | |
a0d0e21e LW |
3440 | } |
3441 | sv = NEWSV(43, 0); | |
96e4d5b1 | 3442 | if (aquad <= UV_MAX) |
3443 | sv_setuv(sv, (UV)auquad); | |
3444 | else | |
3445 | sv_setnv(sv, (double)auquad); | |
a0d0e21e LW |
3446 | PUSHs(sv_2mortal(sv)); |
3447 | } | |
3448 | break; | |
79072805 | 3449 | #endif |
a0d0e21e LW |
3450 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
3451 | case 'f': | |
3452 | case 'F': | |
3453 | along = (strend - s) / sizeof(float); | |
3454 | if (len > along) | |
3455 | len = along; | |
3456 | if (checksum) { | |
3457 | while (len-- > 0) { | |
3458 | Copy(s, &afloat, 1, float); | |
3459 | s += sizeof(float); | |
3460 | cdouble += afloat; | |
3461 | } | |
3462 | } | |
3463 | else { | |
3464 | EXTEND(SP, len); | |
bbce6d69 | 3465 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3466 | while (len-- > 0) { |
3467 | Copy(s, &afloat, 1, float); | |
3468 | s += sizeof(float); | |
3469 | sv = NEWSV(47, 0); | |
3470 | sv_setnv(sv, (double)afloat); | |
3471 | PUSHs(sv_2mortal(sv)); | |
3472 | } | |
3473 | } | |
3474 | break; | |
3475 | case 'd': | |
3476 | case 'D': | |
3477 | along = (strend - s) / sizeof(double); | |
3478 | if (len > along) | |
3479 | len = along; | |
3480 | if (checksum) { | |
3481 | while (len-- > 0) { | |
3482 | Copy(s, &adouble, 1, double); | |
3483 | s += sizeof(double); | |
3484 | cdouble += adouble; | |
3485 | } | |
3486 | } | |
3487 | else { | |
3488 | EXTEND(SP, len); | |
bbce6d69 | 3489 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3490 | while (len-- > 0) { |
3491 | Copy(s, &adouble, 1, double); | |
3492 | s += sizeof(double); | |
3493 | sv = NEWSV(48, 0); | |
3494 | sv_setnv(sv, (double)adouble); | |
3495 | PUSHs(sv_2mortal(sv)); | |
3496 | } | |
3497 | } | |
3498 | break; | |
3499 | case 'u': | |
3500 | along = (strend - s) * 3 / 4; | |
3501 | sv = NEWSV(42, along); | |
f12c7020 | 3502 | if (along) |
3503 | SvPOK_on(sv); | |
a0d0e21e LW |
3504 | while (s < strend && *s > ' ' && *s < 'a') { |
3505 | I32 a, b, c, d; | |
3506 | char hunk[4]; | |
79072805 | 3507 | |
a0d0e21e LW |
3508 | hunk[3] = '\0'; |
3509 | len = (*s++ - ' ') & 077; | |
3510 | while (len > 0) { | |
3511 | if (s < strend && *s >= ' ') | |
3512 | a = (*s++ - ' ') & 077; | |
3513 | else | |
3514 | a = 0; | |
3515 | if (s < strend && *s >= ' ') | |
3516 | b = (*s++ - ' ') & 077; | |
3517 | else | |
3518 | b = 0; | |
3519 | if (s < strend && *s >= ' ') | |
3520 | c = (*s++ - ' ') & 077; | |
3521 | else | |
3522 | c = 0; | |
3523 | if (s < strend && *s >= ' ') | |
3524 | d = (*s++ - ' ') & 077; | |
3525 | else | |
3526 | d = 0; | |
4e35701f NIS |
3527 | hunk[0] = (a << 2) | (b >> 4); |
3528 | hunk[1] = (b << 4) | (c >> 2); | |
3529 | hunk[2] = (c << 6) | d; | |
3530 | sv_catpvn(sv, hunk, (len > 3) ? 3 : len); | |
a0d0e21e LW |
3531 | len -= 3; |
3532 | } | |
3533 | if (*s == '\n') | |
3534 | s++; | |
3535 | else if (s[1] == '\n') /* possible checksum byte */ | |
3536 | s += 2; | |
79072805 | 3537 | } |
a0d0e21e LW |
3538 | XPUSHs(sv_2mortal(sv)); |
3539 | break; | |
79072805 | 3540 | } |
a0d0e21e LW |
3541 | if (checksum) { |
3542 | sv = NEWSV(42, 0); | |
3543 | if (strchr("fFdD", datumtype) || | |
3544 | (checksum > 32 && strchr("iIlLN", datumtype)) ) { | |
3545 | double trouble; | |
79072805 | 3546 | |
a0d0e21e LW |
3547 | adouble = 1.0; |
3548 | while (checksum >= 16) { | |
3549 | checksum -= 16; | |
3550 | adouble *= 65536.0; | |
3551 | } | |
3552 | while (checksum >= 4) { | |
3553 | checksum -= 4; | |
3554 | adouble *= 16.0; | |
3555 | } | |
3556 | while (checksum--) | |
3557 | adouble *= 2.0; | |
3558 | along = (1 << checksum) - 1; | |
3559 | while (cdouble < 0.0) | |
3560 | cdouble += adouble; | |
3561 | cdouble = modf(cdouble / adouble, &trouble) * adouble; | |
3562 | sv_setnv(sv, cdouble); | |
3563 | } | |
3564 | else { | |
3565 | if (checksum < 32) { | |
96e4d5b1 | 3566 | aulong = (1 << checksum) - 1; |
3567 | culong &= aulong; | |
a0d0e21e | 3568 | } |
96e4d5b1 | 3569 | sv_setuv(sv, (UV)culong); |
a0d0e21e LW |
3570 | } |
3571 | XPUSHs(sv_2mortal(sv)); | |
3572 | checksum = 0; | |
79072805 | 3573 | } |
79072805 | 3574 | } |
924508f0 | 3575 | if (SP == oldsp && gimme == G_SCALAR) |
36477c24 | 3576 | PUSHs(&sv_undef); |
79072805 | 3577 | RETURN; |
79072805 LW |
3578 | } |
3579 | ||
a0d0e21e | 3580 | static void |
8ac85365 | 3581 | doencodes(register SV *sv, register char *s, register I32 len) |
79072805 | 3582 | { |
a0d0e21e | 3583 | char hunk[5]; |
79072805 | 3584 | |
a0d0e21e LW |
3585 | *hunk = len + ' '; |
3586 | sv_catpvn(sv, hunk, 1); | |
3587 | hunk[4] = '\0'; | |
3588 | while (len > 0) { | |
3589 | hunk[0] = ' ' + (077 & (*s >> 2)); | |
4e35701f NIS |
3590 | hunk[1] = ' ' + (077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017))); |
3591 | hunk[2] = ' ' + (077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03))); | |
a0d0e21e LW |
3592 | hunk[3] = ' ' + (077 & (s[2] & 077)); |
3593 | sv_catpvn(sv, hunk, 4); | |
3594 | s += 3; | |
3595 | len -= 3; | |
3596 | } | |
3597 | for (s = SvPVX(sv); *s; s++) { | |
3598 | if (*s == ' ') | |
3599 | *s = '`'; | |
3600 | } | |
3601 | sv_catpvn(sv, "\n", 1); | |
79072805 LW |
3602 | } |
3603 | ||
55497cff | 3604 | static SV * |
8ac85365 | 3605 | is_an_int(char *s, STRLEN l) |
55497cff | 3606 | { |
3607 | SV *result = newSVpv("", l); | |
3608 | char *result_c = SvPV(result, na); /* convenience */ | |
3609 | char *out = result_c; | |
3610 | bool skip = 1; | |
3611 | bool ignore = 0; | |
3612 | ||
3613 | while (*s) { | |
3614 | switch (*s) { | |
3615 | case ' ': | |
3616 | break; | |
3617 | case '+': | |
3618 | if (!skip) { | |
3619 | SvREFCNT_dec(result); | |
3620 | return (NULL); | |
3621 | } | |
3622 | break; | |
3623 | case '0': | |
3624 | case '1': | |
3625 | case '2': | |
3626 | case '3': | |
3627 | case '4': | |
3628 | case '5': | |
3629 | case '6': | |
3630 | case '7': | |
3631 | case '8': | |
3632 | case '9': | |
3633 | skip = 0; | |
3634 | if (!ignore) { | |
3635 | *(out++) = *s; | |
3636 | } | |
3637 | break; | |
3638 | case '.': | |
3639 | ignore = 1; | |
3640 | break; | |
3641 | default: | |
3642 | SvREFCNT_dec(result); | |
3643 | return (NULL); | |
3644 | } | |
3645 | s++; | |
3646 | } | |
3647 | *(out++) = '\0'; | |
3648 | SvCUR_set(result, out - result_c); | |
3649 | return (result); | |
3650 | } | |
3651 | ||
3652 | static int | |
61bb5906 | 3653 | div128(SV *pnum, bool *done) |
8ac85365 | 3654 | /* must be '\0' terminated */ |
8ec5e241 | 3655 | |
55497cff | 3656 | { |
3657 | STRLEN len; | |
3658 | char *s = SvPV(pnum, len); | |
3659 | int m = 0; | |
3660 | int r = 0; | |
3661 | char *t = s; | |
3662 | ||
3663 | *done = 1; | |
3664 | while (*t) { | |
3665 | int i; | |
3666 | ||
3667 | i = m * 10 + (*t - '0'); | |
3668 | m = i & 0x7F; | |
3669 | r = (i >> 7); /* r < 10 */ | |
3670 | if (r) { | |
3671 | *done = 0; | |
3672 | } | |
3673 | *(t++) = '0' + r; | |
3674 | } | |
3675 | *(t++) = '\0'; | |
3676 | SvCUR_set(pnum, (STRLEN) (t - s)); | |
3677 | return (m); | |
3678 | } | |
3679 | ||
3680 | ||
a0d0e21e | 3681 | PP(pp_pack) |
79072805 | 3682 | { |
4e35701f | 3683 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
3684 | register SV *cat = TARG; |
3685 | register I32 items; | |
3686 | STRLEN fromlen; | |
3687 | register char *pat = SvPVx(*++MARK, fromlen); | |
3688 | register char *patend = pat + fromlen; | |
3689 | register I32 len; | |
3690 | I32 datumtype; | |
3691 | SV *fromstr; | |
3692 | /*SUPPRESS 442*/ | |
3693 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; | |
3694 | static char *space10 = " "; | |
79072805 | 3695 | |
a0d0e21e LW |
3696 | /* These must not be in registers: */ |
3697 | char achar; | |
3698 | I16 ashort; | |
3699 | int aint; | |
3700 | unsigned int auint; | |
3701 | I32 along; | |
3702 | U32 aulong; | |
ecfc5424 AD |
3703 | #ifdef HAS_QUAD |
3704 | Quad_t aquad; | |
3705 | unsigned Quad_t auquad; | |
79072805 | 3706 | #endif |
a0d0e21e LW |
3707 | char *aptr; |
3708 | float afloat; | |
3709 | double adouble; | |
fb73857a | 3710 | int commas = 0; |
79072805 | 3711 | |
a0d0e21e LW |
3712 | items = SP - MARK; |
3713 | MARK++; | |
3714 | sv_setpvn(cat, "", 0); | |
3715 | while (pat < patend) { | |
3716 | #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no) | |
bbdab043 CS |
3717 | datumtype = *pat++ & 0xFF; |
3718 | if (isSPACE(datumtype)) | |
3719 | continue; | |
a0d0e21e LW |
3720 | if (*pat == '*') { |
3721 | len = strchr("@Xxu", datumtype) ? 0 : items; | |
3722 | pat++; | |
3723 | } | |
3724 | else if (isDIGIT(*pat)) { | |
3725 | len = *pat++ - '0'; | |
3726 | while (isDIGIT(*pat)) | |
3727 | len = (len * 10) + (*pat++ - '0'); | |
3728 | } | |
3729 | else | |
3730 | len = 1; | |
3731 | switch(datumtype) { | |
3732 | default: | |
bbdab043 | 3733 | croak("Invalid type in pack: '%c'", (int)datumtype); |
fb73857a | 3734 | case ',': /* grandfather in commas but with a warning */ |
3735 | if (commas++ == 0 && dowarn) | |
3736 | warn("Invalid type in pack: '%c'", (int)datumtype); | |
3737 | break; | |
a0d0e21e LW |
3738 | case '%': |
3739 | DIE("%% may only be used in unpack"); | |
3740 | case '@': | |
3741 | len -= SvCUR(cat); | |
3742 | if (len > 0) | |
3743 | goto grow; | |
3744 | len = -len; | |
3745 | if (len > 0) | |
3746 | goto shrink; | |
3747 | break; | |
3748 | case 'X': | |
3749 | shrink: | |
3750 | if (SvCUR(cat) < len) | |
3751 | DIE("X outside of string"); | |
3752 | SvCUR(cat) -= len; | |
3753 | *SvEND(cat) = '\0'; | |
3754 | break; | |
3755 | case 'x': | |
3756 | grow: | |
3757 | while (len >= 10) { | |
3758 | sv_catpvn(cat, null10, 10); | |
3759 | len -= 10; | |
3760 | } | |
3761 | sv_catpvn(cat, null10, len); | |
3762 | break; | |
3763 | case 'A': | |
3764 | case 'a': | |
3765 | fromstr = NEXTFROM; | |
3766 | aptr = SvPV(fromstr, fromlen); | |
3767 | if (pat[-1] == '*') | |
3768 | len = fromlen; | |
3769 | if (fromlen > len) | |
3770 | sv_catpvn(cat, aptr, len); | |
3771 | else { | |
3772 | sv_catpvn(cat, aptr, fromlen); | |
3773 | len -= fromlen; | |
3774 | if (datumtype == 'A') { | |
3775 | while (len >= 10) { | |
3776 | sv_catpvn(cat, space10, 10); | |
3777 | len -= 10; | |
3778 | } | |
3779 | sv_catpvn(cat, space10, len); | |
3780 | } | |
3781 | else { | |
3782 | while (len >= 10) { | |
3783 | sv_catpvn(cat, null10, 10); | |
3784 | len -= 10; | |
3785 | } | |
3786 | sv_catpvn(cat, null10, len); | |
3787 | } | |
3788 | } | |
3789 | break; | |
3790 | case 'B': | |
3791 | case 'b': | |
3792 | { | |
3793 | char *savepat = pat; | |
3794 | I32 saveitems; | |
79072805 | 3795 | |
a0d0e21e LW |
3796 | fromstr = NEXTFROM; |
3797 | saveitems = items; | |
3798 | aptr = SvPV(fromstr, fromlen); | |
3799 | if (pat[-1] == '*') | |
3800 | len = fromlen; | |
3801 | pat = aptr; | |
3802 | aint = SvCUR(cat); | |
3803 | SvCUR(cat) += (len+7)/8; | |
3804 | SvGROW(cat, SvCUR(cat) + 1); | |
3805 | aptr = SvPVX(cat) + aint; | |
3806 | if (len > fromlen) | |
3807 | len = fromlen; | |
3808 | aint = len; | |
3809 | items = 0; | |
3810 | if (datumtype == 'B') { | |
3811 | for (len = 0; len++ < aint;) { | |
3812 | items |= *pat++ & 1; | |
3813 | if (len & 7) | |
3814 | items <<= 1; | |
3815 | else { | |
3816 | *aptr++ = items & 0xff; | |
3817 | items = 0; | |
3818 | } | |
3819 | } | |
3820 | } | |
3821 | else { | |
3822 | for (len = 0; len++ < aint;) { | |
3823 | if (*pat++ & 1) | |
3824 | items |= 128; | |
3825 | if (len & 7) | |
3826 | items >>= 1; | |
3827 | else { | |
3828 | *aptr++ = items & 0xff; | |
3829 | items = 0; | |
3830 | } | |
3831 | } | |
3832 | } | |
3833 | if (aint & 7) { | |
3834 | if (datumtype == 'B') | |
3835 | items <<= 7 - (aint & 7); | |
3836 | else | |
3837 | items >>= 7 - (aint & 7); | |
3838 | *aptr++ = items & 0xff; | |
3839 | } | |
3840 | pat = SvPVX(cat) + SvCUR(cat); | |
3841 | while (aptr <= pat) | |
3842 | *aptr++ = '\0'; | |
79072805 | 3843 | |
a0d0e21e LW |
3844 | pat = savepat; |
3845 | items = saveitems; | |
3846 | } | |
3847 | break; | |
3848 | case 'H': | |
3849 | case 'h': | |
3850 | { | |
3851 | char *savepat = pat; | |
3852 | I32 saveitems; | |
79072805 | 3853 | |
a0d0e21e LW |
3854 | fromstr = NEXTFROM; |
3855 | saveitems = items; | |
3856 | aptr = SvPV(fromstr, fromlen); | |
3857 | if (pat[-1] == '*') | |
3858 | len = fromlen; | |
3859 | pat = aptr; | |
3860 | aint = SvCUR(cat); | |
3861 | SvCUR(cat) += (len+1)/2; | |
3862 | SvGROW(cat, SvCUR(cat) + 1); | |
3863 | aptr = SvPVX(cat) + aint; | |
3864 | if (len > fromlen) | |
3865 | len = fromlen; | |
3866 | aint = len; | |
3867 | items = 0; | |
3868 | if (datumtype == 'H') { | |
3869 | for (len = 0; len++ < aint;) { | |
3870 | if (isALPHA(*pat)) | |
3871 | items |= ((*pat++ & 15) + 9) & 15; | |
3872 | else | |
3873 | items |= *pat++ & 15; | |
3874 | if (len & 1) | |
3875 | items <<= 4; | |
3876 | else { | |
3877 | *aptr++ = items & 0xff; | |
3878 | items = 0; | |
3879 | } | |
3880 | } | |
3881 | } | |
3882 | else { | |
3883 | for (len = 0; len++ < aint;) { | |
3884 | if (isALPHA(*pat)) | |
3885 | items |= (((*pat++ & 15) + 9) & 15) << 4; | |
3886 | else | |
3887 | items |= (*pat++ & 15) << 4; | |
3888 | if (len & 1) | |
3889 | items >>= 4; | |
3890 | else { | |
3891 | *aptr++ = items & 0xff; | |
3892 | items = 0; | |
3893 | } | |
3894 | } | |
3895 | } | |
3896 | if (aint & 1) | |
3897 | *aptr++ = items & 0xff; | |
3898 | pat = SvPVX(cat) + SvCUR(cat); | |
3899 | while (aptr <= pat) | |
3900 | *aptr++ = '\0'; | |
79072805 | 3901 | |
a0d0e21e LW |
3902 | pat = savepat; |
3903 | items = saveitems; | |
3904 | } | |
3905 | break; | |
3906 | case 'C': | |
3907 | case 'c': | |
3908 | while (len-- > 0) { | |
3909 | fromstr = NEXTFROM; | |
3910 | aint = SvIV(fromstr); | |
3911 | achar = aint; | |
3912 | sv_catpvn(cat, &achar, sizeof(char)); | |
3913 | } | |
3914 | break; | |
3915 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ | |
3916 | case 'f': | |
3917 | case 'F': | |
3918 | while (len-- > 0) { | |
3919 | fromstr = NEXTFROM; | |
3920 | afloat = (float)SvNV(fromstr); | |
3921 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); | |
3922 | } | |
3923 | break; | |
3924 | case 'd': | |
3925 | case 'D': | |
3926 | while (len-- > 0) { | |
3927 | fromstr = NEXTFROM; | |
3928 | adouble = (double)SvNV(fromstr); | |
3929 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); | |
3930 | } | |
3931 | break; | |
3932 | case 'n': | |
3933 | while (len-- > 0) { | |
3934 | fromstr = NEXTFROM; | |
3935 | ashort = (I16)SvIV(fromstr); | |
3936 | #ifdef HAS_HTONS | |
3028581b | 3937 | ashort = PerlSock_htons(ashort); |
79072805 | 3938 | #endif |
96e4d5b1 | 3939 | CAT16(cat, &ashort); |
a0d0e21e LW |
3940 | } |
3941 | break; | |
3942 | case 'v': | |
3943 | while (len-- > 0) { | |
3944 | fromstr = NEXTFROM; | |
3945 | ashort = (I16)SvIV(fromstr); | |
3946 | #ifdef HAS_HTOVS | |
3947 | ashort = htovs(ashort); | |
79072805 | 3948 | #endif |
96e4d5b1 | 3949 | CAT16(cat, &ashort); |
a0d0e21e LW |
3950 | } |
3951 | break; | |
3952 | case 'S': | |
3953 | case 's': | |
3954 | while (len-- > 0) { | |
3955 | fromstr = NEXTFROM; | |
3956 | ashort = (I16)SvIV(fromstr); | |
96e4d5b1 | 3957 | CAT16(cat, &ashort); |
a0d0e21e LW |
3958 | } |
3959 | break; | |
3960 | case 'I': | |
3961 | while (len-- > 0) { | |
3962 | fromstr = NEXTFROM; | |
96e4d5b1 | 3963 | auint = SvUV(fromstr); |
a0d0e21e LW |
3964 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
3965 | } | |
3966 | break; | |
def98dd4 UP |
3967 | case 'w': |
3968 | while (len-- > 0) { | |
bbce6d69 | 3969 | fromstr = NEXTFROM; |
3970 | adouble = floor(SvNV(fromstr)); | |
3971 | ||
3972 | if (adouble < 0) | |
3973 | croak("Cannot compress negative numbers"); | |
3974 | ||
46fc3d4c | 3975 | if ( |
3976 | #ifdef BW_BITS | |
3977 | adouble <= BW_MASK | |
3978 | #else | |
ef2d312d TH |
3979 | #ifdef CXUX_BROKEN_CONSTANT_CONVERT |
3980 | adouble <= UV_MAX_cxux | |
3981 | #else | |
46fc3d4c | 3982 | adouble <= UV_MAX |
3983 | #endif | |
ef2d312d | 3984 | #endif |
46fc3d4c | 3985 | ) |
3986 | { | |
bbce6d69 | 3987 | char buf[1 + sizeof(UV)]; |
3988 | char *in = buf + sizeof(buf); | |
3989 | UV auv = U_V(adouble);; | |
3990 | ||
3991 | do { | |
3992 | *--in = (auv & 0x7f) | 0x80; | |
3993 | auv >>= 7; | |
3994 | } while (auv); | |
3995 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
3996 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
3997 | } | |
3998 | else if (SvPOKp(fromstr)) { /* decimal string arithmetics */ | |
3999 | char *from, *result, *in; | |
4000 | SV *norm; | |
4001 | STRLEN len; | |
4002 | bool done; | |
8ec5e241 | 4003 | |
bbce6d69 | 4004 | /* Copy string and check for compliance */ |
4005 | from = SvPV(fromstr, len); | |
4006 | if ((norm = is_an_int(from, len)) == NULL) | |
4007 | croak("can compress only unsigned integer"); | |
4008 | ||
4009 | New('w', result, len, char); | |
4010 | in = result + len; | |
4011 | done = FALSE; | |
4012 | while (!done) | |
4013 | *--in = div128(norm, &done) | 0x80; | |
4014 | result[len - 1] &= 0x7F; /* clear continue bit */ | |
4015 | sv_catpvn(cat, in, (result + len) - in); | |
5f05dabc | 4016 | Safefree(result); |
bbce6d69 | 4017 | SvREFCNT_dec(norm); /* free norm */ |
def98dd4 | 4018 | } |
bbce6d69 | 4019 | else if (SvNOKp(fromstr)) { |
4020 | char buf[sizeof(double) * 2]; /* 8/7 <= 2 */ | |
4021 | char *in = buf + sizeof(buf); | |
4022 | ||
4023 | do { | |
4024 | double next = floor(adouble / 128); | |
4025 | *--in = (unsigned char)(adouble - (next * 128)) | 0x80; | |
4026 | if (--in < buf) /* this cannot happen ;-) */ | |
4027 | croak ("Cannot compress integer"); | |
4028 | adouble = next; | |
4029 | } while (adouble > 0); | |
4030 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
4031 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
4032 | } | |
4033 | else | |
4034 | croak("Cannot compress non integer"); | |
4035 | } | |
def98dd4 | 4036 | break; |
a0d0e21e LW |
4037 | case 'i': |
4038 | while (len-- > 0) { | |
4039 | fromstr = NEXTFROM; | |
4040 | aint = SvIV(fromstr); | |
4041 | sv_catpvn(cat, (char*)&aint, sizeof(int)); | |
4042 | } | |
4043 | break; | |
4044 | case 'N': | |
4045 | while (len-- > 0) { | |
4046 | fromstr = NEXTFROM; | |
96e4d5b1 | 4047 | aulong = SvUV(fromstr); |
a0d0e21e | 4048 | #ifdef HAS_HTONL |
3028581b | 4049 | aulong = PerlSock_htonl(aulong); |
79072805 | 4050 | #endif |
96e4d5b1 | 4051 | CAT32(cat, &aulong); |
a0d0e21e LW |
4052 | } |
4053 | break; | |
4054 | case 'V': | |
4055 | while (len-- > 0) { | |
4056 | fromstr = NEXTFROM; | |
96e4d5b1 | 4057 | aulong = SvUV(fromstr); |
a0d0e21e LW |
4058 | #ifdef HAS_HTOVL |
4059 | aulong = htovl(aulong); | |
79072805 | 4060 | #endif |
96e4d5b1 | 4061 | CAT32(cat, &aulong); |
a0d0e21e LW |
4062 | } |
4063 | break; | |
4064 | case 'L': | |
4065 | while (len-- > 0) { | |
4066 | fromstr = NEXTFROM; | |
96e4d5b1 | 4067 | aulong = SvUV(fromstr); |
4068 | CAT32(cat, &aulong); | |
a0d0e21e LW |
4069 | } |
4070 | break; | |
4071 | case 'l': | |
4072 | while (len-- > 0) { | |
4073 | fromstr = NEXTFROM; | |
4074 | along = SvIV(fromstr); | |
96e4d5b1 | 4075 | CAT32(cat, &along); |
a0d0e21e LW |
4076 | } |
4077 | break; | |
ecfc5424 | 4078 | #ifdef HAS_QUAD |
a0d0e21e LW |
4079 | case 'Q': |
4080 | while (len-- > 0) { | |
4081 | fromstr = NEXTFROM; | |
ecfc5424 AD |
4082 | auquad = (unsigned Quad_t)SvIV(fromstr); |
4083 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t)); | |
a0d0e21e LW |
4084 | } |
4085 | break; | |
4086 | case 'q': | |
4087 | while (len-- > 0) { | |
4088 | fromstr = NEXTFROM; | |
ecfc5424 AD |
4089 | aquad = (Quad_t)SvIV(fromstr); |
4090 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); | |
a0d0e21e LW |
4091 | } |
4092 | break; | |
ecfc5424 | 4093 | #endif /* HAS_QUAD */ |
a0d0e21e LW |
4094 | case 'P': |
4095 | len = 1; /* assume SV is correct length */ | |
4096 | /* FALL THROUGH */ | |
4097 | case 'p': | |
4098 | while (len-- > 0) { | |
4099 | fromstr = NEXTFROM; | |
72dbcb4b | 4100 | if (fromstr == &sv_undef) |
84902520 | 4101 | aptr = NULL; |
72dbcb4b | 4102 | else { |
84902520 TB |
4103 | /* XXX better yet, could spirit away the string to |
4104 | * a safe spot and hang on to it until the result | |
4105 | * of pack() (and all copies of the result) are | |
4106 | * gone. | |
4107 | */ | |
4108 | if (dowarn && (SvTEMP(fromstr) || SvPADTMP(fromstr))) | |
4109 | warn("Attempt to pack pointer to temporary value"); | |
4110 | if (SvPOK(fromstr) || SvNIOK(fromstr)) | |
4111 | aptr = SvPV(fromstr,na); | |
4112 | else | |
4113 | aptr = SvPV_force(fromstr,na); | |
72dbcb4b | 4114 | } |
a0d0e21e LW |
4115 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
4116 | } | |
4117 | break; | |
4118 | case 'u': | |
4119 | fromstr = NEXTFROM; | |
4120 | aptr = SvPV(fromstr, fromlen); | |
4121 | SvGROW(cat, fromlen * 4 / 3); | |
4122 | if (len <= 1) | |
4123 | len = 45; | |
4124 | else | |
4125 | len = len / 3 * 3; | |
4126 | while (fromlen > 0) { | |
4127 | I32 todo; | |
79072805 | 4128 | |
a0d0e21e LW |
4129 | if (fromlen > len) |
4130 | todo = len; | |
4131 | else | |
4132 | todo = fromlen; | |
4133 | doencodes(cat, aptr, todo); | |
4134 | fromlen -= todo; | |
4135 | aptr += todo; | |
4136 | } | |
4137 | break; | |
4138 | } | |
4139 | } | |
4140 | SvSETMAGIC(cat); | |
4141 | SP = ORIGMARK; | |
4142 | PUSHs(cat); | |
4143 | RETURN; | |
79072805 | 4144 | } |
a0d0e21e | 4145 | #undef NEXTFROM |
79072805 | 4146 | |
8ec5e241 | 4147 | |
a0d0e21e | 4148 | PP(pp_split) |
79072805 | 4149 | { |
4e35701f | 4150 | djSP; dTARG; |
a0d0e21e LW |
4151 | AV *ary; |
4152 | register I32 limit = POPi; /* note, negative is forever */ | |
4153 | SV *sv = POPs; | |
4154 | STRLEN len; | |
4155 | register char *s = SvPV(sv, len); | |
4156 | char *strend = s + len; | |
44a8e56a | 4157 | register PMOP *pm; |
4158 | register REGEXP *rx; | |
a0d0e21e LW |
4159 | register SV *dstr; |
4160 | register char *m; | |
4161 | I32 iters = 0; | |
4162 | I32 maxiters = (strend - s) + 10; | |
4163 | I32 i; | |
4164 | char *orig; | |
4165 | I32 origlimit = limit; | |
4166 | I32 realarray = 0; | |
4167 | I32 base; | |
f12c7020 | 4168 | AV *oldstack = curstack; |
54310121 | 4169 | I32 gimme = GIMME_V; |
8ec5e241 NIS |
4170 | I32 oldsave = savestack_ix; |
4171 | I32 make_mortal = 1; | |
4172 | MAGIC *mg = (MAGIC *) NULL; | |
79072805 | 4173 | |
44a8e56a | 4174 | #ifdef DEBUGGING |
4175 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
4176 | #else | |
4177 | pm = (PMOP*)POPs; | |
4178 | #endif | |
a0d0e21e LW |
4179 | if (!pm || !s) |
4180 | DIE("panic: do_split"); | |
44a8e56a | 4181 | rx = pm->op_pmregexp; |
bbce6d69 | 4182 | |
4183 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
4184 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
4185 | ||
a0d0e21e LW |
4186 | if (pm->op_pmreplroot) |
4187 | ary = GvAVn((GV*)pm->op_pmreplroot); | |
4188 | else if (gimme != G_ARRAY) | |
6d4ff0d2 MB |
4189 | #ifdef USE_THREADS |
4190 | ary = (AV*)curpad[0]; | |
4191 | #else | |
a0d0e21e | 4192 | ary = GvAVn(defgv); |
6d4ff0d2 | 4193 | #endif /* USE_THREADS */ |
79072805 | 4194 | else |
a0d0e21e LW |
4195 | ary = Nullav; |
4196 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
4197 | realarray = 1; | |
8ec5e241 | 4198 | PUTBACK; |
a0d0e21e | 4199 | av_extend(ary,0); |
8ec5e241 NIS |
4200 | av_clear(ary); |
4201 | SPAGAIN; | |
4202 | if (SvRMAGICAL(ary) && (mg = mg_find((SV *) ary, 'P'))) { | |
4203 | PUSHMARK(SP); | |
4204 | XPUSHs(mg->mg_obj); | |
4205 | } | |
4206 | else { | |
1c0b011c NIS |
4207 | if (!AvREAL(ary)) { |
4208 | AvREAL_on(ary); | |
4209 | for (i = AvFILLp(ary); i >= 0; i--) | |
4210 | AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */ | |
4211 | } | |
4212 | /* temporarily switch stacks */ | |
4213 | SWITCHSTACK(curstack, ary); | |
8ec5e241 | 4214 | make_mortal = 0; |
1c0b011c | 4215 | } |
79072805 | 4216 | } |
a0d0e21e LW |
4217 | base = SP - stack_base; |
4218 | orig = s; | |
4219 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 4220 | if (pm->op_pmflags & PMf_LOCALE) { |
4221 | while (isSPACE_LC(*s)) | |
4222 | s++; | |
4223 | } | |
4224 | else { | |
4225 | while (isSPACE(*s)) | |
4226 | s++; | |
4227 | } | |
a0d0e21e | 4228 | } |
c07a80fd | 4229 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
4230 | SAVEINT(multiline); | |
4231 | multiline = pm->op_pmflags & PMf_MULTILINE; | |
4232 | } | |
4233 | ||
a0d0e21e LW |
4234 | if (!limit) |
4235 | limit = maxiters + 2; | |
4236 | if (pm->op_pmflags & PMf_WHITE) { | |
4237 | while (--limit) { | |
bbce6d69 | 4238 | m = s; |
4239 | while (m < strend && | |
4240 | !((pm->op_pmflags & PMf_LOCALE) | |
4241 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
4242 | ++m; | |
a0d0e21e LW |
4243 | if (m >= strend) |
4244 | break; | |
bbce6d69 | 4245 | |
a0d0e21e LW |
4246 | dstr = NEWSV(30, m-s); |
4247 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4248 | if (make_mortal) |
a0d0e21e LW |
4249 | sv_2mortal(dstr); |
4250 | XPUSHs(dstr); | |
bbce6d69 | 4251 | |
4252 | s = m + 1; | |
4253 | while (s < strend && | |
4254 | ((pm->op_pmflags & PMf_LOCALE) | |
4255 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
4256 | ++s; | |
79072805 LW |
4257 | } |
4258 | } | |
a0d0e21e LW |
4259 | else if (strEQ("^", rx->precomp)) { |
4260 | while (--limit) { | |
4261 | /*SUPPRESS 530*/ | |
4262 | for (m = s; m < strend && *m != '\n'; m++) ; | |
4263 | m++; | |
4264 | if (m >= strend) | |
4265 | break; | |
4266 | dstr = NEWSV(30, m-s); | |
4267 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4268 | if (make_mortal) |
a0d0e21e LW |
4269 | sv_2mortal(dstr); |
4270 | XPUSHs(dstr); | |
4271 | s = m; | |
4272 | } | |
4273 | } | |
8ec5e241 | 4274 | else if (rx->check_substr && !rx->nparens |
c277df42 IZ |
4275 | && (rx->reganch & ROPT_CHECK_ALL) |
4276 | && !(rx->reganch & ROPT_ANCH)) { | |
4277 | i = SvCUR(rx->check_substr); | |
4278 | if (i == 1 && !SvTAIL(rx->check_substr)) { | |
4279 | i = *SvPVX(rx->check_substr); | |
a0d0e21e | 4280 | while (--limit) { |
bbce6d69 | 4281 | /*SUPPRESS 530*/ |
4282 | for (m = s; m < strend && *m != i; m++) ; | |
a0d0e21e LW |
4283 | if (m >= strend) |
4284 | break; | |
4285 | dstr = NEWSV(30, m-s); | |
4286 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4287 | if (make_mortal) |
a0d0e21e LW |
4288 | sv_2mortal(dstr); |
4289 | XPUSHs(dstr); | |
4290 | s = m + 1; | |
4291 | } | |
4292 | } | |
4293 | else { | |
4294 | #ifndef lint | |
4295 | while (s < strend && --limit && | |
4296 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, | |
c277df42 | 4297 | rx->check_substr)) ) |
79072805 | 4298 | #endif |
a0d0e21e LW |
4299 | { |
4300 | dstr = NEWSV(31, m-s); | |
4301 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4302 | if (make_mortal) |
a0d0e21e LW |
4303 | sv_2mortal(dstr); |
4304 | XPUSHs(dstr); | |
4305 | s = m + i; | |
4306 | } | |
463ee0b2 | 4307 | } |
463ee0b2 | 4308 | } |
a0d0e21e LW |
4309 | else { |
4310 | maxiters += (strend - s) * rx->nparens; | |
4311 | while (s < strend && --limit && | |
c277df42 | 4312 | regexec_flags(rx, s, strend, orig, 1, Nullsv, NULL, 0)) |
bbce6d69 | 4313 | { |
c277df42 | 4314 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
a0d0e21e LW |
4315 | if (rx->subbase |
4316 | && rx->subbase != orig) { | |
4317 | m = s; | |
4318 | s = orig; | |
4319 | orig = rx->subbase; | |
4320 | s = orig + (m - s); | |
4321 | strend = s + (strend - m); | |
4322 | } | |
4323 | m = rx->startp[0]; | |
4324 | dstr = NEWSV(32, m-s); | |
4325 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4326 | if (make_mortal) |
a0d0e21e LW |
4327 | sv_2mortal(dstr); |
4328 | XPUSHs(dstr); | |
4329 | if (rx->nparens) { | |
4330 | for (i = 1; i <= rx->nparens; i++) { | |
4331 | s = rx->startp[i]; | |
4332 | m = rx->endp[i]; | |
748a9306 LW |
4333 | if (m && s) { |
4334 | dstr = NEWSV(33, m-s); | |
4335 | sv_setpvn(dstr, s, m-s); | |
4336 | } | |
4337 | else | |
4338 | dstr = NEWSV(33, 0); | |
8ec5e241 | 4339 | if (make_mortal) |
a0d0e21e LW |
4340 | sv_2mortal(dstr); |
4341 | XPUSHs(dstr); | |
4342 | } | |
4343 | } | |
4344 | s = rx->endp[0]; | |
4345 | } | |
79072805 | 4346 | } |
8ec5e241 | 4347 | |
c07a80fd | 4348 | LEAVE_SCOPE(oldsave); |
a0d0e21e LW |
4349 | iters = (SP - stack_base) - base; |
4350 | if (iters > maxiters) | |
4351 | DIE("Split loop"); | |
8ec5e241 | 4352 | |
a0d0e21e LW |
4353 | /* keep field after final delim? */ |
4354 | if (s < strend || (iters && origlimit)) { | |
4355 | dstr = NEWSV(34, strend-s); | |
4356 | sv_setpvn(dstr, s, strend-s); | |
8ec5e241 | 4357 | if (make_mortal) |
a0d0e21e LW |
4358 | sv_2mortal(dstr); |
4359 | XPUSHs(dstr); | |
4360 | iters++; | |
79072805 | 4361 | } |
a0d0e21e | 4362 | else if (!origlimit) { |
b1dadf13 | 4363 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e LW |
4364 | iters--, SP--; |
4365 | } | |
8ec5e241 | 4366 | |
a0d0e21e | 4367 | if (realarray) { |
8ec5e241 | 4368 | if (!mg) { |
1c0b011c NIS |
4369 | SWITCHSTACK(ary, oldstack); |
4370 | if (SvSMAGICAL(ary)) { | |
4371 | PUTBACK; | |
4372 | mg_set((SV*)ary); | |
4373 | SPAGAIN; | |
4374 | } | |
4375 | if (gimme == G_ARRAY) { | |
4376 | EXTEND(SP, iters); | |
4377 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
4378 | SP += iters; | |
4379 | RETURN; | |
4380 | } | |
8ec5e241 | 4381 | } |
1c0b011c | 4382 | else { |
8ec5e241 NIS |
4383 | PUTBACK; |
4384 | ENTER; | |
4385 | perl_call_method("PUSH",G_SCALAR|G_DISCARD); | |
4386 | LEAVE; | |
4387 | SPAGAIN; | |
4388 | if (gimme == G_ARRAY) { | |
4389 | /* EXTEND should not be needed - we just popped them */ | |
4390 | EXTEND(SP, iters); | |
4391 | for (i=0; i < iters; i++) { | |
4392 | SV **svp = av_fetch(ary, i, FALSE); | |
4393 | PUSHs((svp) ? *svp : &sv_undef); | |
4394 | } | |
1c0b011c NIS |
4395 | RETURN; |
4396 | } | |
a0d0e21e LW |
4397 | } |
4398 | } | |
4399 | else { | |
4400 | if (gimme == G_ARRAY) | |
4401 | RETURN; | |
4402 | } | |
4403 | if (iters || !pm->op_pmreplroot) { | |
4404 | GETTARGET; | |
4405 | PUSHi(iters); | |
4406 | RETURN; | |
4407 | } | |
4408 | RETPUSHUNDEF; | |
79072805 | 4409 | } |
85e6fe83 | 4410 | |
c0329465 | 4411 | #ifdef USE_THREADS |
77a005ab | 4412 | void |
8ac85365 | 4413 | unlock_condpair(void *svv) |
c0329465 MB |
4414 | { |
4415 | dTHR; | |
4416 | MAGIC *mg = mg_find((SV*)svv, 'm'); | |
8ec5e241 | 4417 | |
c0329465 MB |
4418 | if (!mg) |
4419 | croak("panic: unlock_condpair unlocking non-mutex"); | |
4420 | MUTEX_LOCK(MgMUTEXP(mg)); | |
4421 | if (MgOWNER(mg) != thr) | |
4422 | croak("panic: unlock_condpair unlocking mutex that we don't own"); | |
4423 | MgOWNER(mg) = 0; | |
4424 | COND_SIGNAL(MgOWNERCONDP(mg)); | |
bc1f4c86 MB |
4425 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: unlock 0x%lx\n", |
4426 | (unsigned long)thr, (unsigned long)svv);) | |
c0329465 MB |
4427 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
4428 | } | |
4429 | #endif /* USE_THREADS */ | |
4430 | ||
4431 | PP(pp_lock) | |
4432 | { | |
4e35701f | 4433 | djSP; |
c0329465 | 4434 | dTOPss; |
e55aaa0e MB |
4435 | SV *retsv = sv; |
4436 | #ifdef USE_THREADS | |
c0329465 | 4437 | MAGIC *mg; |
8ec5e241 | 4438 | |
c0329465 MB |
4439 | if (SvROK(sv)) |
4440 | sv = SvRV(sv); | |
4441 | ||
4442 | mg = condpair_magic(sv); | |
4443 | MUTEX_LOCK(MgMUTEXP(mg)); | |
4444 | if (MgOWNER(mg) == thr) | |
4445 | MUTEX_UNLOCK(MgMUTEXP(mg)); | |
4446 | else { | |
4447 | while (MgOWNER(mg)) | |
4448 | COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg)); | |
4449 | MgOWNER(mg) = thr; | |
bc1f4c86 MB |
4450 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: pp_lock lock 0x%lx\n", |
4451 | (unsigned long)thr, (unsigned long)sv);) | |
c0329465 | 4452 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
e55aaa0e | 4453 | SvREFCNT_inc(sv); /* keep alive until magic_mutexfree */ |
c0329465 MB |
4454 | save_destructor(unlock_condpair, sv); |
4455 | } | |
4456 | #endif /* USE_THREADS */ | |
e55aaa0e MB |
4457 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
4458 | || SvTYPE(retsv) == SVt_PVCV) { | |
4459 | retsv = refto(retsv); | |
4460 | } | |
4461 | SETs(retsv); | |
c0329465 MB |
4462 | RETURN; |
4463 | } | |
a863c7d1 | 4464 | |
2faa37cc | 4465 | PP(pp_threadsv) |
a863c7d1 | 4466 | { |
12f917ad | 4467 | djSP; |
57d3b86d | 4468 | #ifdef USE_THREADS |
924508f0 | 4469 | EXTEND(SP, 1); |
554b3eca | 4470 | if (op->op_private & OPpLVAL_INTRO) |
54b9620d | 4471 | PUSHs(*save_threadsv(op->op_targ)); |
554b3eca | 4472 | else |
940cb80d | 4473 | PUSHs(THREADSV(op->op_targ)); |
fdb47d66 | 4474 | RETURN; |
a863c7d1 | 4475 | #else |
2faa37cc | 4476 | DIE("tried to access per-thread data in non-threaded perl"); |
a863c7d1 | 4477 | #endif /* USE_THREADS */ |
a863c7d1 | 4478 | } |