Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
9607fc9c | 3 | * Copyright (c) 1991-1997, Larry Wall |
79072805 | 4 | * |
a0d0e21e LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
79072805 | 7 | * |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "It's a big house this, and very peculiar. Always a bit more to discover, | |
12 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise | |
13 | */ | |
79072805 LW |
14 | |
15 | #include "EXTERN.h" | |
16 | #include "perl.h" | |
17 | ||
36477c24 | 18 | /* |
ef2d312d TH |
19 | * The compiler on Concurrent CX/UX systems has a subtle bug which only |
20 | * seems to show up when compiling pp.c - it generates the wrong double | |
21 | * precision constant value for (double)UV_MAX when used inline in the body | |
22 | * of the code below, so this makes a static variable up front (which the | |
23 | * compiler seems to get correct) and uses it in place of UV_MAX below. | |
24 | */ | |
25 | #ifdef CXUX_BROKEN_CONSTANT_CONVERT | |
26 | static double UV_MAX_cxux = ((double)UV_MAX); | |
8ec5e241 | 27 | #endif |
ef2d312d TH |
28 | |
29 | /* | |
36477c24 | 30 | * Types used in bitwise operations. |
31 | * | |
32 | * Normally we'd just use IV and UV. However, some hardware and | |
33 | * software combinations (e.g. Alpha and current OSF/1) don't have a | |
34 | * floating-point type to use for NV that has adequate bits to fully | |
35 | * hold an IV/UV. (In other words, sizeof(long) == sizeof(double).) | |
36 | * | |
96e4d5b1 | 37 | * It just so happens that "int" is the right size almost everywhere. |
36477c24 | 38 | */ |
39 | typedef int IBW; | |
40 | typedef unsigned UBW; | |
41 | ||
96e4d5b1 | 42 | /* |
43 | * Mask used after bitwise operations. | |
44 | * | |
45 | * There is at least one realm (Cray word machines) that doesn't | |
46 | * have an integral type (except char) small enough to be represented | |
47 | * in a double without loss; that is, it has no 32-bit type. | |
48 | */ | |
6ee623d5 | 49 | #if LONGSIZE > 4 && defined(_CRAY) && !defined(_CRAYMPP) |
46fc3d4c | 50 | # define BW_BITS 32 |
51 | # define BW_MASK ((1 << BW_BITS) - 1) | |
52 | # define BW_SIGN (1 << (BW_BITS - 1)) | |
96e4d5b1 | 53 | # define BWi(i) (((i) & BW_SIGN) ? ((i) | ~BW_MASK) : ((i) & BW_MASK)) |
54 | # define BWu(u) ((u) & BW_MASK) | |
55 | #else | |
56 | # define BWi(i) (i) | |
57 | # define BWu(u) (u) | |
58 | #endif | |
59 | ||
60 | /* | |
61 | * Offset for integer pack/unpack. | |
62 | * | |
63 | * On architectures where I16 and I32 aren't really 16 and 32 bits, | |
64 | * which for now are all Crays, pack and unpack have to play games. | |
65 | */ | |
66 | ||
67 | /* | |
68 | * These values are required for portability of pack() output. | |
69 | * If they're not right on your machine, then pack() and unpack() | |
70 | * wouldn't work right anyway; you'll need to apply the Cray hack. | |
71 | * (I'd like to check them with #if, but you can't use sizeof() in | |
dc45a647 MB |
72 | * the preprocessor.) --??? |
73 | */ | |
74 | /* | |
75 | The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE | |
76 | defines are now in config.h. --Andy Dougherty April 1998 | |
96e4d5b1 | 77 | */ |
78 | #define SIZE16 2 | |
79 | #define SIZE32 4 | |
80 | ||
81 | #if BYTEORDER > 0xFFFF && defined(_CRAY) && !defined(_CRAYMPP) | |
82 | # if BYTEORDER == 0x12345678 | |
83 | # define OFF16(p) (char*)(p) | |
84 | # define OFF32(p) (char*)(p) | |
85 | # else | |
86 | # if BYTEORDER == 0x87654321 | |
87 | # define OFF16(p) ((char*)(p) + (sizeof(U16) - SIZE16)) | |
88 | # define OFF32(p) ((char*)(p) + (sizeof(U32) - SIZE32)) | |
89 | # else | |
90 | }}}} bad cray byte order | |
91 | # endif | |
92 | # endif | |
93 | # define COPY16(s,p) (*(p) = 0, Copy(s, OFF16(p), SIZE16, char)) | |
94 | # define COPY32(s,p) (*(p) = 0, Copy(s, OFF32(p), SIZE32, char)) | |
95 | # define CAT16(sv,p) sv_catpvn(sv, OFF16(p), SIZE16) | |
96 | # define CAT32(sv,p) sv_catpvn(sv, OFF32(p), SIZE32) | |
97 | #else | |
98 | # define COPY16(s,p) Copy(s, p, SIZE16, char) | |
99 | # define COPY32(s,p) Copy(s, p, SIZE32, char) | |
100 | # define CAT16(sv,p) sv_catpvn(sv, (char*)(p), SIZE16) | |
101 | # define CAT32(sv,p) sv_catpvn(sv, (char*)(p), SIZE32) | |
102 | #endif | |
103 | ||
76e3520e | 104 | #ifndef PERL_OBJECT |
71be2cbc | 105 | static void doencodes _((SV* sv, char* s, I32 len)); |
93dc8474 CS |
106 | static SV* refto _((SV* sv)); |
107 | static U32 seed _((void)); | |
76e3520e | 108 | #endif |
93dc8474 CS |
109 | |
110 | static bool srand_called = FALSE; | |
79072805 | 111 | |
a0d0e21e | 112 | /* variations on pp_null */ |
79072805 | 113 | |
8ac85365 NIS |
114 | #ifdef I_UNISTD |
115 | #include <unistd.h> | |
116 | #endif | |
dfe9444c AD |
117 | |
118 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ | |
119 | it, since pid_t is an integral type. | |
120 | --AD 2/20/1998 | |
121 | */ | |
122 | #ifdef NEED_GETPID_PROTO | |
123 | extern Pid_t getpid (void); | |
8ac85365 NIS |
124 | #endif |
125 | ||
93a17b20 LW |
126 | PP(pp_stub) |
127 | { | |
4e35701f | 128 | djSP; |
54310121 | 129 | if (GIMME_V == G_SCALAR) |
3280af22 | 130 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
131 | RETURN; |
132 | } | |
133 | ||
79072805 LW |
134 | PP(pp_scalar) |
135 | { | |
136 | return NORMAL; | |
137 | } | |
138 | ||
139 | /* Pushy stuff. */ | |
140 | ||
93a17b20 LW |
141 | PP(pp_padav) |
142 | { | |
4e35701f | 143 | djSP; dTARGET; |
533c011a NIS |
144 | if (PL_op->op_private & OPpLVAL_INTRO) |
145 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
85e6fe83 | 146 | EXTEND(SP, 1); |
533c011a | 147 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 148 | PUSHs(TARG); |
93a17b20 | 149 | RETURN; |
85e6fe83 LW |
150 | } |
151 | if (GIMME == G_ARRAY) { | |
152 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
153 | EXTEND(SP, maxarg); | |
93965878 NIS |
154 | if (SvMAGICAL(TARG)) { |
155 | U32 i; | |
156 | for (i=0; i < maxarg; i++) { | |
157 | SV **svp = av_fetch((AV*)TARG, i, FALSE); | |
3280af22 | 158 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
159 | } |
160 | } | |
161 | else { | |
162 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
163 | } | |
85e6fe83 LW |
164 | SP += maxarg; |
165 | } | |
166 | else { | |
167 | SV* sv = sv_newmortal(); | |
168 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
169 | sv_setiv(sv, maxarg); | |
170 | PUSHs(sv); | |
171 | } | |
172 | RETURN; | |
93a17b20 LW |
173 | } |
174 | ||
175 | PP(pp_padhv) | |
176 | { | |
4e35701f | 177 | djSP; dTARGET; |
54310121 | 178 | I32 gimme; |
179 | ||
93a17b20 | 180 | XPUSHs(TARG); |
533c011a NIS |
181 | if (PL_op->op_private & OPpLVAL_INTRO) |
182 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
183 | if (PL_op->op_flags & OPf_REF) | |
93a17b20 | 184 | RETURN; |
54310121 | 185 | gimme = GIMME_V; |
186 | if (gimme == G_ARRAY) { | |
a0d0e21e | 187 | RETURNOP(do_kv(ARGS)); |
85e6fe83 | 188 | } |
54310121 | 189 | else if (gimme == G_SCALAR) { |
85e6fe83 | 190 | SV* sv = sv_newmortal(); |
46fc3d4c | 191 | if (HvFILL((HV*)TARG)) |
192 | sv_setpvf(sv, "%ld/%ld", | |
193 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); | |
85e6fe83 LW |
194 | else |
195 | sv_setiv(sv, 0); | |
196 | SETs(sv); | |
85e6fe83 | 197 | } |
54310121 | 198 | RETURN; |
93a17b20 LW |
199 | } |
200 | ||
ed6116ce LW |
201 | PP(pp_padany) |
202 | { | |
203 | DIE("NOT IMPL LINE %d",__LINE__); | |
204 | } | |
205 | ||
79072805 LW |
206 | /* Translations. */ |
207 | ||
208 | PP(pp_rv2gv) | |
209 | { | |
4e35701f | 210 | djSP; dTOPss; |
8ec5e241 | 211 | |
ed6116ce | 212 | if (SvROK(sv)) { |
a0d0e21e | 213 | wasref: |
ed6116ce | 214 | sv = SvRV(sv); |
b1dadf13 | 215 | if (SvTYPE(sv) == SVt_PVIO) { |
216 | GV *gv = (GV*) sv_newmortal(); | |
217 | gv_init(gv, 0, "", 0, 0); | |
218 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 219 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 220 | sv = (SV*) gv; |
221 | } else if (SvTYPE(sv) != SVt_PVGV) | |
a0d0e21e | 222 | DIE("Not a GLOB reference"); |
79072805 LW |
223 | } |
224 | else { | |
93a17b20 | 225 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 LW |
226 | char *sym; |
227 | ||
a0d0e21e LW |
228 | if (SvGMAGICAL(sv)) { |
229 | mg_get(sv); | |
230 | if (SvROK(sv)) | |
231 | goto wasref; | |
232 | } | |
233 | if (!SvOK(sv)) { | |
533c011a NIS |
234 | if (PL_op->op_flags & OPf_REF || |
235 | PL_op->op_private & HINT_STRICT_REFS) | |
a0d0e21e | 236 | DIE(no_usym, "a symbol"); |
3280af22 | 237 | if (PL_dowarn) |
d83e6520 | 238 | warn(warn_uninit); |
a0d0e21e LW |
239 | RETSETUNDEF; |
240 | } | |
3280af22 | 241 | sym = SvPV(sv, PL_na); |
533c011a | 242 | if (PL_op->op_private & HINT_STRICT_REFS) |
748a9306 LW |
243 | DIE(no_symref, sym, "a symbol"); |
244 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); | |
93a17b20 | 245 | } |
79072805 | 246 | } |
533c011a NIS |
247 | if (PL_op->op_private & OPpLVAL_INTRO) |
248 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
249 | SETs(sv); |
250 | RETURN; | |
251 | } | |
252 | ||
79072805 LW |
253 | PP(pp_rv2sv) |
254 | { | |
4e35701f | 255 | djSP; dTOPss; |
79072805 | 256 | |
ed6116ce | 257 | if (SvROK(sv)) { |
a0d0e21e | 258 | wasref: |
ed6116ce | 259 | sv = SvRV(sv); |
79072805 LW |
260 | switch (SvTYPE(sv)) { |
261 | case SVt_PVAV: | |
262 | case SVt_PVHV: | |
263 | case SVt_PVCV: | |
a0d0e21e | 264 | DIE("Not a SCALAR reference"); |
79072805 LW |
265 | } |
266 | } | |
267 | else { | |
f12c7020 | 268 | GV *gv = (GV*)sv; |
748a9306 LW |
269 | char *sym; |
270 | ||
463ee0b2 | 271 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
272 | if (SvGMAGICAL(sv)) { |
273 | mg_get(sv); | |
274 | if (SvROK(sv)) | |
275 | goto wasref; | |
276 | } | |
277 | if (!SvOK(sv)) { | |
533c011a NIS |
278 | if (PL_op->op_flags & OPf_REF || |
279 | PL_op->op_private & HINT_STRICT_REFS) | |
a0d0e21e | 280 | DIE(no_usym, "a SCALAR"); |
3280af22 | 281 | if (PL_dowarn) |
d83e6520 | 282 | warn(warn_uninit); |
a0d0e21e LW |
283 | RETSETUNDEF; |
284 | } | |
3280af22 | 285 | sym = SvPV(sv, PL_na); |
533c011a | 286 | if (PL_op->op_private & HINT_STRICT_REFS) |
748a9306 | 287 | DIE(no_symref, sym, "a SCALAR"); |
f12c7020 | 288 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
463ee0b2 LW |
289 | } |
290 | sv = GvSV(gv); | |
a0d0e21e | 291 | } |
533c011a NIS |
292 | if (PL_op->op_flags & OPf_MOD) { |
293 | if (PL_op->op_private & OPpLVAL_INTRO) | |
a0d0e21e | 294 | sv = save_scalar((GV*)TOPs); |
533c011a NIS |
295 | else if (PL_op->op_private & OPpDEREF) |
296 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 297 | } |
a0d0e21e | 298 | SETs(sv); |
79072805 LW |
299 | RETURN; |
300 | } | |
301 | ||
302 | PP(pp_av2arylen) | |
303 | { | |
4e35701f | 304 | djSP; |
79072805 LW |
305 | AV *av = (AV*)TOPs; |
306 | SV *sv = AvARYLEN(av); | |
307 | if (!sv) { | |
308 | AvARYLEN(av) = sv = NEWSV(0,0); | |
309 | sv_upgrade(sv, SVt_IV); | |
310 | sv_magic(sv, (SV*)av, '#', Nullch, 0); | |
311 | } | |
312 | SETs(sv); | |
313 | RETURN; | |
314 | } | |
315 | ||
a0d0e21e LW |
316 | PP(pp_pos) |
317 | { | |
4e35701f | 318 | djSP; dTARGET; dPOPss; |
8ec5e241 | 319 | |
533c011a | 320 | if (PL_op->op_flags & OPf_MOD) { |
5f05dabc | 321 | if (SvTYPE(TARG) < SVt_PVLV) { |
322 | sv_upgrade(TARG, SVt_PVLV); | |
323 | sv_magic(TARG, Nullsv, '.', Nullch, 0); | |
324 | } | |
325 | ||
326 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
327 | if (LvTARG(TARG) != sv) { |
328 | if (LvTARG(TARG)) | |
329 | SvREFCNT_dec(LvTARG(TARG)); | |
330 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
331 | } | |
a0d0e21e LW |
332 | PUSHs(TARG); /* no SvSETMAGIC */ |
333 | RETURN; | |
334 | } | |
335 | else { | |
8ec5e241 | 336 | MAGIC* mg; |
a0d0e21e LW |
337 | |
338 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
339 | mg = mg_find(sv, 'g'); | |
565764a8 | 340 | if (mg && mg->mg_len >= 0) { |
3280af22 | 341 | PUSHi(mg->mg_len + PL_curcop->cop_arybase); |
a0d0e21e LW |
342 | RETURN; |
343 | } | |
344 | } | |
345 | RETPUSHUNDEF; | |
346 | } | |
347 | } | |
348 | ||
79072805 LW |
349 | PP(pp_rv2cv) |
350 | { | |
4e35701f | 351 | djSP; |
79072805 LW |
352 | GV *gv; |
353 | HV *stash; | |
8990e307 | 354 | |
4633a7c4 LW |
355 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
356 | /* (But not in defined().) */ | |
533c011a | 357 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
07055b4c CS |
358 | if (cv) { |
359 | if (CvCLONE(cv)) | |
360 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
361 | } | |
362 | else | |
3280af22 | 363 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
364 | SETs((SV*)cv); |
365 | RETURN; | |
366 | } | |
367 | ||
c07a80fd | 368 | PP(pp_prototype) |
369 | { | |
4e35701f | 370 | djSP; |
c07a80fd | 371 | CV *cv; |
372 | HV *stash; | |
373 | GV *gv; | |
374 | SV *ret; | |
375 | ||
3280af22 | 376 | ret = &PL_sv_undef; |
b6c543e3 IZ |
377 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
378 | char *s = SvPVX(TOPs); | |
379 | if (strnEQ(s, "CORE::", 6)) { | |
380 | int code; | |
381 | ||
382 | code = keyword(s + 6, SvCUR(TOPs) - 6); | |
383 | if (code < 0) { /* Overridable. */ | |
384 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
385 | int i = 0, n = 0, seen_question = 0; | |
386 | I32 oa; | |
387 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
388 | ||
389 | while (i < MAXO) { /* The slow way. */ | |
390 | if (strEQ(s + 6, op_name[i]) || strEQ(s + 6, op_desc[i])) | |
391 | goto found; | |
392 | i++; | |
393 | } | |
394 | goto nonesuch; /* Should not happen... */ | |
395 | found: | |
396 | oa = opargs[i] >> OASHIFT; | |
397 | while (oa) { | |
398 | if (oa & OA_OPTIONAL) { | |
399 | seen_question = 1; | |
400 | str[n++] = ';'; | |
401 | } else if (seen_question) | |
402 | goto set; /* XXXX system, exec */ | |
403 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF | |
404 | && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) { | |
405 | str[n++] = '\\'; | |
406 | } | |
407 | /* What to do with R ((un)tie, tied, (sys)read, recv)? */ | |
408 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; | |
409 | oa = oa >> 4; | |
410 | } | |
411 | str[n++] = '\0'; | |
412 | ret = sv_2mortal(newSVpv(str, n - 1)); | |
413 | } else if (code) /* Non-Overridable */ | |
414 | goto set; | |
415 | else { /* None such */ | |
416 | nonesuch: | |
417 | croak("Cannot find an opnumber for \"%s\"", s+6); | |
418 | } | |
419 | } | |
420 | } | |
c07a80fd | 421 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 422 | if (cv && SvPOK(cv)) |
423 | ret = sv_2mortal(newSVpv(SvPVX(cv), SvCUR(cv))); | |
b6c543e3 | 424 | set: |
c07a80fd | 425 | SETs(ret); |
426 | RETURN; | |
427 | } | |
428 | ||
a0d0e21e LW |
429 | PP(pp_anoncode) |
430 | { | |
4e35701f | 431 | djSP; |
533c011a | 432 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
a5f75d66 | 433 | if (CvCLONE(cv)) |
b355b4e0 | 434 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 435 | EXTEND(SP,1); |
748a9306 | 436 | PUSHs((SV*)cv); |
a0d0e21e LW |
437 | RETURN; |
438 | } | |
439 | ||
440 | PP(pp_srefgen) | |
79072805 | 441 | { |
4e35701f | 442 | djSP; |
71be2cbc | 443 | *SP = refto(*SP); |
79072805 | 444 | RETURN; |
8ec5e241 | 445 | } |
a0d0e21e LW |
446 | |
447 | PP(pp_refgen) | |
448 | { | |
4e35701f | 449 | djSP; dMARK; |
a0d0e21e | 450 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
451 | if (++MARK <= SP) |
452 | *MARK = *SP; | |
453 | else | |
3280af22 | 454 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
455 | *MARK = refto(*MARK); |
456 | SP = MARK; | |
457 | RETURN; | |
a0d0e21e | 458 | } |
bbce6d69 | 459 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 460 | while (++MARK <= SP) |
461 | *MARK = refto(*MARK); | |
a0d0e21e | 462 | RETURN; |
79072805 LW |
463 | } |
464 | ||
76e3520e | 465 | STATIC SV* |
8ac85365 | 466 | refto(SV *sv) |
71be2cbc | 467 | { |
468 | SV* rv; | |
469 | ||
470 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
471 | if (LvTARGLEN(sv)) | |
68dc0745 | 472 | vivify_defelem(sv); |
473 | if (!(sv = LvTARG(sv))) | |
3280af22 | 474 | sv = &PL_sv_undef; |
71be2cbc | 475 | } |
476 | else if (SvPADTMP(sv)) | |
477 | sv = newSVsv(sv); | |
478 | else { | |
479 | SvTEMP_off(sv); | |
480 | (void)SvREFCNT_inc(sv); | |
481 | } | |
482 | rv = sv_newmortal(); | |
483 | sv_upgrade(rv, SVt_RV); | |
484 | SvRV(rv) = sv; | |
485 | SvROK_on(rv); | |
486 | return rv; | |
487 | } | |
488 | ||
79072805 LW |
489 | PP(pp_ref) |
490 | { | |
4e35701f | 491 | djSP; dTARGET; |
463ee0b2 | 492 | SV *sv; |
79072805 LW |
493 | char *pv; |
494 | ||
a0d0e21e | 495 | sv = POPs; |
f12c7020 | 496 | |
497 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 498 | mg_get(sv); |
f12c7020 | 499 | |
a0d0e21e | 500 | if (!sv || !SvROK(sv)) |
4633a7c4 | 501 | RETPUSHNO; |
79072805 | 502 | |
ed6116ce | 503 | sv = SvRV(sv); |
a0d0e21e | 504 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 505 | PUSHp(pv, strlen(pv)); |
79072805 LW |
506 | RETURN; |
507 | } | |
508 | ||
509 | PP(pp_bless) | |
510 | { | |
4e35701f | 511 | djSP; |
463ee0b2 | 512 | HV *stash; |
79072805 | 513 | |
463ee0b2 | 514 | if (MAXARG == 1) |
3280af22 | 515 | stash = PL_curcop->cop_stash; |
7b8d334a GS |
516 | else { |
517 | SV *ssv = POPs; | |
518 | STRLEN len; | |
519 | char *ptr = SvPV(ssv,len); | |
3280af22 | 520 | if (PL_dowarn && len == 0) |
7b8d334a GS |
521 | warn("Explicit blessing to '' (assuming package main)"); |
522 | stash = gv_stashpvn(ptr, len, TRUE); | |
523 | } | |
a0d0e21e | 524 | |
5d3fdfeb | 525 | (void)sv_bless(TOPs, stash); |
79072805 LW |
526 | RETURN; |
527 | } | |
528 | ||
fb73857a | 529 | PP(pp_gelem) |
530 | { | |
531 | GV *gv; | |
532 | SV *sv; | |
76e3520e | 533 | SV *tmpRef; |
fb73857a | 534 | char *elem; |
4e35701f | 535 | djSP; |
fb73857a | 536 | |
537 | sv = POPs; | |
3280af22 | 538 | elem = SvPV(sv, PL_na); |
fb73857a | 539 | gv = (GV*)POPs; |
76e3520e | 540 | tmpRef = Nullsv; |
fb73857a | 541 | sv = Nullsv; |
542 | switch (elem ? *elem : '\0') | |
543 | { | |
544 | case 'A': | |
545 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 546 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 547 | break; |
548 | case 'C': | |
549 | if (strEQ(elem, "CODE")) | |
76e3520e | 550 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 551 | break; |
552 | case 'F': | |
553 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ | |
76e3520e | 554 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 555 | break; |
556 | case 'G': | |
557 | if (strEQ(elem, "GLOB")) | |
76e3520e | 558 | tmpRef = (SV*)gv; |
fb73857a | 559 | break; |
560 | case 'H': | |
561 | if (strEQ(elem, "HASH")) | |
76e3520e | 562 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 563 | break; |
564 | case 'I': | |
565 | if (strEQ(elem, "IO")) | |
76e3520e | 566 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 567 | break; |
568 | case 'N': | |
569 | if (strEQ(elem, "NAME")) | |
570 | sv = newSVpv(GvNAME(gv), GvNAMELEN(gv)); | |
571 | break; | |
572 | case 'P': | |
573 | if (strEQ(elem, "PACKAGE")) | |
574 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
575 | break; | |
576 | case 'S': | |
577 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 578 | tmpRef = GvSV(gv); |
fb73857a | 579 | break; |
580 | } | |
76e3520e GS |
581 | if (tmpRef) |
582 | sv = newRV(tmpRef); | |
fb73857a | 583 | if (sv) |
584 | sv_2mortal(sv); | |
585 | else | |
3280af22 | 586 | sv = &PL_sv_undef; |
fb73857a | 587 | XPUSHs(sv); |
588 | RETURN; | |
589 | } | |
590 | ||
a0d0e21e | 591 | /* Pattern matching */ |
79072805 | 592 | |
a0d0e21e | 593 | PP(pp_study) |
79072805 | 594 | { |
4e35701f | 595 | djSP; dPOPss; |
c277df42 | 596 | register UNOP *unop = cUNOP; |
a0d0e21e LW |
597 | register unsigned char *s; |
598 | register I32 pos; | |
599 | register I32 ch; | |
600 | register I32 *sfirst; | |
601 | register I32 *snext; | |
a0d0e21e LW |
602 | STRLEN len; |
603 | ||
3280af22 | 604 | if (sv == PL_lastscream) { |
1e422769 | 605 | if (SvSCREAM(sv)) |
606 | RETPUSHYES; | |
607 | } | |
c07a80fd | 608 | else { |
3280af22 NIS |
609 | if (PL_lastscream) { |
610 | SvSCREAM_off(PL_lastscream); | |
611 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 612 | } |
3280af22 | 613 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 614 | } |
1e422769 | 615 | |
616 | s = (unsigned char*)(SvPV(sv, len)); | |
617 | pos = len; | |
618 | if (pos <= 0) | |
619 | RETPUSHNO; | |
3280af22 NIS |
620 | if (pos > PL_maxscream) { |
621 | if (PL_maxscream < 0) { | |
622 | PL_maxscream = pos + 80; | |
623 | New(301, PL_screamfirst, 256, I32); | |
624 | New(302, PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
625 | } |
626 | else { | |
3280af22 NIS |
627 | PL_maxscream = pos + pos / 4; |
628 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 629 | } |
79072805 | 630 | } |
a0d0e21e | 631 | |
3280af22 NIS |
632 | sfirst = PL_screamfirst; |
633 | snext = PL_screamnext; | |
a0d0e21e LW |
634 | |
635 | if (!sfirst || !snext) | |
636 | DIE("do_study: out of memory"); | |
637 | ||
638 | for (ch = 256; ch; --ch) | |
639 | *sfirst++ = -1; | |
640 | sfirst -= 256; | |
641 | ||
642 | while (--pos >= 0) { | |
643 | ch = s[pos]; | |
644 | if (sfirst[ch] >= 0) | |
645 | snext[pos] = sfirst[ch] - pos; | |
646 | else | |
647 | snext[pos] = -pos; | |
648 | sfirst[ch] = pos; | |
79072805 LW |
649 | } |
650 | ||
c07a80fd | 651 | SvSCREAM_on(sv); |
464e2e8a | 652 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
1e422769 | 653 | RETPUSHYES; |
79072805 LW |
654 | } |
655 | ||
a0d0e21e | 656 | PP(pp_trans) |
79072805 | 657 | { |
4e35701f | 658 | djSP; dTARG; |
a0d0e21e LW |
659 | SV *sv; |
660 | ||
533c011a | 661 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 662 | sv = POPs; |
79072805 | 663 | else { |
54b9620d | 664 | sv = DEFSV; |
a0d0e21e | 665 | EXTEND(SP,1); |
79072805 | 666 | } |
adbc6bb1 | 667 | TARG = sv_newmortal(); |
533c011a | 668 | PUSHi(do_trans(sv, PL_op)); |
a0d0e21e | 669 | RETURN; |
79072805 LW |
670 | } |
671 | ||
a0d0e21e | 672 | /* Lvalue operators. */ |
79072805 | 673 | |
a0d0e21e LW |
674 | PP(pp_schop) |
675 | { | |
4e35701f | 676 | djSP; dTARGET; |
a0d0e21e LW |
677 | do_chop(TARG, TOPs); |
678 | SETTARG; | |
679 | RETURN; | |
79072805 LW |
680 | } |
681 | ||
a0d0e21e | 682 | PP(pp_chop) |
79072805 | 683 | { |
4e35701f | 684 | djSP; dMARK; dTARGET; |
a0d0e21e LW |
685 | while (SP > MARK) |
686 | do_chop(TARG, POPs); | |
687 | PUSHTARG; | |
688 | RETURN; | |
79072805 LW |
689 | } |
690 | ||
a0d0e21e | 691 | PP(pp_schomp) |
79072805 | 692 | { |
4e35701f | 693 | djSP; dTARGET; |
a0d0e21e LW |
694 | SETi(do_chomp(TOPs)); |
695 | RETURN; | |
79072805 LW |
696 | } |
697 | ||
a0d0e21e | 698 | PP(pp_chomp) |
79072805 | 699 | { |
4e35701f | 700 | djSP; dMARK; dTARGET; |
a0d0e21e | 701 | register I32 count = 0; |
8ec5e241 | 702 | |
a0d0e21e LW |
703 | while (SP > MARK) |
704 | count += do_chomp(POPs); | |
705 | PUSHi(count); | |
706 | RETURN; | |
79072805 LW |
707 | } |
708 | ||
a0d0e21e | 709 | PP(pp_defined) |
463ee0b2 | 710 | { |
4e35701f | 711 | djSP; |
a0d0e21e LW |
712 | register SV* sv; |
713 | ||
714 | sv = POPs; | |
715 | if (!sv || !SvANY(sv)) | |
716 | RETPUSHNO; | |
717 | switch (SvTYPE(sv)) { | |
718 | case SVt_PVAV: | |
fb73857a | 719 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv)) |
a0d0e21e LW |
720 | RETPUSHYES; |
721 | break; | |
722 | case SVt_PVHV: | |
fb73857a | 723 | if (HvARRAY(sv) || SvGMAGICAL(sv)) |
a0d0e21e LW |
724 | RETPUSHYES; |
725 | break; | |
726 | case SVt_PVCV: | |
727 | if (CvROOT(sv) || CvXSUB(sv)) | |
728 | RETPUSHYES; | |
729 | break; | |
730 | default: | |
731 | if (SvGMAGICAL(sv)) | |
732 | mg_get(sv); | |
733 | if (SvOK(sv)) | |
734 | RETPUSHYES; | |
735 | } | |
736 | RETPUSHNO; | |
463ee0b2 LW |
737 | } |
738 | ||
a0d0e21e LW |
739 | PP(pp_undef) |
740 | { | |
4e35701f | 741 | djSP; |
a0d0e21e LW |
742 | SV *sv; |
743 | ||
533c011a | 744 | if (!PL_op->op_private) { |
774d564b | 745 | EXTEND(SP, 1); |
a0d0e21e | 746 | RETPUSHUNDEF; |
774d564b | 747 | } |
79072805 | 748 | |
a0d0e21e LW |
749 | sv = POPs; |
750 | if (!sv) | |
751 | RETPUSHUNDEF; | |
85e6fe83 | 752 | |
a0d0e21e LW |
753 | if (SvTHINKFIRST(sv)) { |
754 | if (SvREADONLY(sv)) | |
755 | RETPUSHUNDEF; | |
756 | if (SvROK(sv)) | |
757 | sv_unref(sv); | |
85e6fe83 LW |
758 | } |
759 | ||
a0d0e21e LW |
760 | switch (SvTYPE(sv)) { |
761 | case SVt_NULL: | |
762 | break; | |
763 | case SVt_PVAV: | |
764 | av_undef((AV*)sv); | |
765 | break; | |
766 | case SVt_PVHV: | |
767 | hv_undef((HV*)sv); | |
768 | break; | |
769 | case SVt_PVCV: | |
3280af22 | 770 | if (PL_dowarn && cv_const_sv((CV*)sv)) |
9607fc9c | 771 | warn("Constant subroutine %s undefined", |
54310121 | 772 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 773 | /* FALL THROUGH */ |
774 | case SVt_PVFM: | |
09280a33 CS |
775 | { GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv)); |
776 | cv_undef((CV*)sv); | |
777 | CvGV((CV*)sv) = gv; } /* let user-undef'd sub keep its identity */ | |
a0d0e21e | 778 | break; |
8e07c86e | 779 | case SVt_PVGV: |
44a8e56a | 780 | if (SvFAKE(sv)) |
3280af22 | 781 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
782 | else { |
783 | GP *gp; | |
784 | gp_free((GV*)sv); | |
785 | Newz(602, gp, 1, GP); | |
786 | GvGP(sv) = gp_ref(gp); | |
787 | GvSV(sv) = NEWSV(72,0); | |
3280af22 | 788 | GvLINE(sv) = PL_curcop->cop_line; |
20408e3c GS |
789 | GvEGV(sv) = (GV*)sv; |
790 | GvMULTI_on(sv); | |
791 | } | |
44a8e56a | 792 | break; |
a0d0e21e | 793 | default: |
1e422769 | 794 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
795 | (void)SvOOK_off(sv); |
796 | Safefree(SvPVX(sv)); | |
797 | SvPV_set(sv, Nullch); | |
798 | SvLEN_set(sv, 0); | |
a0d0e21e | 799 | } |
4633a7c4 LW |
800 | (void)SvOK_off(sv); |
801 | SvSETMAGIC(sv); | |
79072805 | 802 | } |
a0d0e21e LW |
803 | |
804 | RETPUSHUNDEF; | |
79072805 LW |
805 | } |
806 | ||
a0d0e21e | 807 | PP(pp_predec) |
79072805 | 808 | { |
4e35701f | 809 | djSP; |
68dc0745 | 810 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 811 | croak(no_modify); |
55497cff | 812 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
813 | SvIVX(TOPs) != IV_MIN) | |
814 | { | |
748a9306 | 815 | --SvIVX(TOPs); |
55497cff | 816 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
817 | } |
818 | else | |
819 | sv_dec(TOPs); | |
a0d0e21e LW |
820 | SvSETMAGIC(TOPs); |
821 | return NORMAL; | |
822 | } | |
79072805 | 823 | |
a0d0e21e LW |
824 | PP(pp_postinc) |
825 | { | |
4e35701f | 826 | djSP; dTARGET; |
68dc0745 | 827 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 828 | croak(no_modify); |
a0d0e21e | 829 | sv_setsv(TARG, TOPs); |
55497cff | 830 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
831 | SvIVX(TOPs) != IV_MAX) | |
832 | { | |
748a9306 | 833 | ++SvIVX(TOPs); |
55497cff | 834 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
835 | } |
836 | else | |
837 | sv_inc(TOPs); | |
a0d0e21e LW |
838 | SvSETMAGIC(TOPs); |
839 | if (!SvOK(TARG)) | |
840 | sv_setiv(TARG, 0); | |
841 | SETs(TARG); | |
842 | return NORMAL; | |
843 | } | |
79072805 | 844 | |
a0d0e21e LW |
845 | PP(pp_postdec) |
846 | { | |
4e35701f | 847 | djSP; dTARGET; |
68dc0745 | 848 | if(SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 849 | croak(no_modify); |
a0d0e21e | 850 | sv_setsv(TARG, TOPs); |
55497cff | 851 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
852 | SvIVX(TOPs) != IV_MIN) | |
853 | { | |
748a9306 | 854 | --SvIVX(TOPs); |
55497cff | 855 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
856 | } |
857 | else | |
858 | sv_dec(TOPs); | |
a0d0e21e LW |
859 | SvSETMAGIC(TOPs); |
860 | SETs(TARG); | |
861 | return NORMAL; | |
862 | } | |
79072805 | 863 | |
a0d0e21e LW |
864 | /* Ordinary operators. */ |
865 | ||
866 | PP(pp_pow) | |
867 | { | |
8ec5e241 | 868 | djSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
869 | { |
870 | dPOPTOPnnrl; | |
871 | SETn( pow( left, right) ); | |
872 | RETURN; | |
93a17b20 | 873 | } |
a0d0e21e LW |
874 | } |
875 | ||
876 | PP(pp_multiply) | |
877 | { | |
8ec5e241 | 878 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
879 | { |
880 | dPOPTOPnnrl; | |
881 | SETn( left * right ); | |
882 | RETURN; | |
79072805 | 883 | } |
a0d0e21e LW |
884 | } |
885 | ||
886 | PP(pp_divide) | |
887 | { | |
8ec5e241 | 888 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e | 889 | { |
77676ba1 | 890 | dPOPPOPnnrl; |
7a4c00b4 | 891 | double value; |
892 | if (right == 0.0) | |
a0d0e21e LW |
893 | DIE("Illegal division by zero"); |
894 | #ifdef SLOPPYDIVIDE | |
895 | /* insure that 20./5. == 4. */ | |
896 | { | |
7a4c00b4 | 897 | IV k; |
898 | if ((double)I_V(left) == left && | |
899 | (double)I_V(right) == right && | |
900 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { | |
a0d0e21e LW |
901 | value = k; |
902 | } else { | |
7a4c00b4 | 903 | value = left / right; |
79072805 | 904 | } |
a0d0e21e LW |
905 | } |
906 | #else | |
7a4c00b4 | 907 | value = left / right; |
a0d0e21e LW |
908 | #endif |
909 | PUSHn( value ); | |
910 | RETURN; | |
79072805 | 911 | } |
a0d0e21e LW |
912 | } |
913 | ||
914 | PP(pp_modulo) | |
915 | { | |
76e3520e | 916 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 917 | { |
68dc0745 | 918 | UV left; |
919 | UV right; | |
beb18505 CS |
920 | bool left_neg; |
921 | bool right_neg; | |
68dc0745 | 922 | UV ans; |
a0d0e21e | 923 | |
68dc0745 | 924 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
925 | IV i = SvIVX(POPs); | |
beb18505 | 926 | right = (right_neg = (i < 0)) ? -i : i; |
68dc0745 | 927 | } |
928 | else { | |
929 | double n = POPn; | |
beb18505 | 930 | right = U_V((right_neg = (n < 0)) ? -n : n); |
68dc0745 | 931 | } |
a0d0e21e | 932 | |
36477c24 | 933 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
68dc0745 | 934 | IV i = SvIVX(POPs); |
beb18505 | 935 | left = (left_neg = (i < 0)) ? -i : i; |
36477c24 | 936 | } |
a0d0e21e | 937 | else { |
68dc0745 | 938 | double n = POPn; |
beb18505 | 939 | left = U_V((left_neg = (n < 0)) ? -n : n); |
a0d0e21e | 940 | } |
68dc0745 | 941 | |
942 | if (!right) | |
943 | DIE("Illegal modulus zero"); | |
944 | ||
945 | ans = left % right; | |
beb18505 | 946 | if ((left_neg != right_neg) && ans) |
68dc0745 | 947 | ans = right - ans; |
beb18505 | 948 | if (right_neg) { |
3e3baf6d TB |
949 | /* XXX may warn: unary minus operator applied to unsigned type */ |
950 | /* could change -foo to be (~foo)+1 instead */ | |
4e35701f NIS |
951 | if (ans <= ~((UV)IV_MAX)+1) |
952 | sv_setiv(TARG, ~ans+1); | |
beb18505 CS |
953 | else |
954 | sv_setnv(TARG, -(double)ans); | |
955 | } | |
956 | else | |
957 | sv_setuv(TARG, ans); | |
958 | PUSHTARG; | |
a0d0e21e | 959 | RETURN; |
79072805 | 960 | } |
a0d0e21e | 961 | } |
79072805 | 962 | |
a0d0e21e LW |
963 | PP(pp_repeat) |
964 | { | |
4e35701f | 965 | djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 966 | { |
a0d0e21e | 967 | register I32 count = POPi; |
533c011a | 968 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
969 | dMARK; |
970 | I32 items = SP - MARK; | |
971 | I32 max; | |
79072805 | 972 | |
a0d0e21e LW |
973 | max = items * count; |
974 | MEXTEND(MARK, max); | |
975 | if (count > 1) { | |
976 | while (SP > MARK) { | |
977 | if (*SP) | |
978 | SvTEMP_off((*SP)); | |
979 | SP--; | |
79072805 | 980 | } |
a0d0e21e LW |
981 | MARK++; |
982 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
983 | items * sizeof(SV*), count - 1); | |
984 | SP += max; | |
79072805 | 985 | } |
a0d0e21e LW |
986 | else if (count <= 0) |
987 | SP -= items; | |
79072805 | 988 | } |
a0d0e21e LW |
989 | else { /* Note: mark already snarfed by pp_list */ |
990 | SV *tmpstr; | |
991 | STRLEN len; | |
992 | ||
993 | tmpstr = POPs; | |
994 | if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) { | |
3280af22 | 995 | if (SvREADONLY(tmpstr) && PL_curcop != &PL_compiling) |
a0d0e21e LW |
996 | DIE("Can't x= to readonly value"); |
997 | if (SvROK(tmpstr)) | |
998 | sv_unref(tmpstr); | |
93a17b20 | 999 | } |
a0d0e21e LW |
1000 | SvSetSV(TARG, tmpstr); |
1001 | SvPV_force(TARG, len); | |
8ebc5c01 | 1002 | if (count != 1) { |
1003 | if (count < 1) | |
1004 | SvCUR_set(TARG, 0); | |
1005 | else { | |
1006 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1007 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1008 | SvCUR(TARG) *= count; |
7a4c00b4 | 1009 | } |
a0d0e21e | 1010 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1011 | } |
8ebc5c01 | 1012 | (void)SvPOK_only(TARG); |
a0d0e21e | 1013 | PUSHTARG; |
79072805 | 1014 | } |
a0d0e21e | 1015 | RETURN; |
748a9306 | 1016 | } |
a0d0e21e | 1017 | } |
79072805 | 1018 | |
a0d0e21e LW |
1019 | PP(pp_subtract) |
1020 | { | |
8ec5e241 | 1021 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 1022 | { |
7a4c00b4 | 1023 | dPOPTOPnnrl_ul; |
a0d0e21e LW |
1024 | SETn( left - right ); |
1025 | RETURN; | |
79072805 | 1026 | } |
a0d0e21e | 1027 | } |
79072805 | 1028 | |
a0d0e21e LW |
1029 | PP(pp_left_shift) |
1030 | { | |
8ec5e241 | 1031 | djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1032 | { |
36477c24 | 1033 | IBW shift = POPi; |
533c011a | 1034 | if (PL_op->op_private & HINT_INTEGER) { |
36477c24 | 1035 | IBW i = TOPi; |
46fc3d4c | 1036 | i = BWi(i) << shift; |
96e4d5b1 | 1037 | SETi(BWi(i)); |
ff68c719 | 1038 | } |
1039 | else { | |
36477c24 | 1040 | UBW u = TOPu; |
96e4d5b1 | 1041 | u <<= shift; |
1042 | SETu(BWu(u)); | |
ff68c719 | 1043 | } |
55497cff | 1044 | RETURN; |
79072805 | 1045 | } |
a0d0e21e | 1046 | } |
79072805 | 1047 | |
a0d0e21e LW |
1048 | PP(pp_right_shift) |
1049 | { | |
8ec5e241 | 1050 | djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1051 | { |
36477c24 | 1052 | IBW shift = POPi; |
533c011a | 1053 | if (PL_op->op_private & HINT_INTEGER) { |
36477c24 | 1054 | IBW i = TOPi; |
46fc3d4c | 1055 | i = BWi(i) >> shift; |
96e4d5b1 | 1056 | SETi(BWi(i)); |
ff68c719 | 1057 | } |
1058 | else { | |
36477c24 | 1059 | UBW u = TOPu; |
96e4d5b1 | 1060 | u >>= shift; |
1061 | SETu(BWu(u)); | |
ff68c719 | 1062 | } |
a0d0e21e | 1063 | RETURN; |
93a17b20 | 1064 | } |
79072805 LW |
1065 | } |
1066 | ||
a0d0e21e | 1067 | PP(pp_lt) |
79072805 | 1068 | { |
8ec5e241 | 1069 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1070 | { |
1071 | dPOPnv; | |
54310121 | 1072 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1073 | RETURN; |
79072805 | 1074 | } |
a0d0e21e | 1075 | } |
79072805 | 1076 | |
a0d0e21e LW |
1077 | PP(pp_gt) |
1078 | { | |
8ec5e241 | 1079 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1080 | { |
1081 | dPOPnv; | |
54310121 | 1082 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1083 | RETURN; |
79072805 | 1084 | } |
a0d0e21e LW |
1085 | } |
1086 | ||
1087 | PP(pp_le) | |
1088 | { | |
8ec5e241 | 1089 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1090 | { |
1091 | dPOPnv; | |
54310121 | 1092 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1093 | RETURN; |
79072805 | 1094 | } |
a0d0e21e LW |
1095 | } |
1096 | ||
1097 | PP(pp_ge) | |
1098 | { | |
8ec5e241 | 1099 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1100 | { |
1101 | dPOPnv; | |
54310121 | 1102 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1103 | RETURN; |
79072805 | 1104 | } |
a0d0e21e | 1105 | } |
79072805 | 1106 | |
a0d0e21e LW |
1107 | PP(pp_ne) |
1108 | { | |
8ec5e241 | 1109 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1110 | { |
1111 | dPOPnv; | |
54310121 | 1112 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1113 | RETURN; |
1114 | } | |
79072805 LW |
1115 | } |
1116 | ||
a0d0e21e | 1117 | PP(pp_ncmp) |
79072805 | 1118 | { |
8ec5e241 | 1119 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1120 | { |
1121 | dPOPTOPnnrl; | |
1122 | I32 value; | |
79072805 | 1123 | |
ff0cee69 | 1124 | if (left == right) |
a0d0e21e | 1125 | value = 0; |
a0d0e21e LW |
1126 | else if (left < right) |
1127 | value = -1; | |
44a8e56a | 1128 | else if (left > right) |
1129 | value = 1; | |
1130 | else { | |
3280af22 | 1131 | SETs(&PL_sv_undef); |
44a8e56a | 1132 | RETURN; |
1133 | } | |
a0d0e21e LW |
1134 | SETi(value); |
1135 | RETURN; | |
79072805 | 1136 | } |
a0d0e21e | 1137 | } |
79072805 | 1138 | |
a0d0e21e LW |
1139 | PP(pp_slt) |
1140 | { | |
8ec5e241 | 1141 | djSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1142 | { |
1143 | dPOPTOPssrl; | |
533c011a | 1144 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1145 | ? sv_cmp_locale(left, right) |
1146 | : sv_cmp(left, right)); | |
54310121 | 1147 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1148 | RETURN; |
1149 | } | |
79072805 LW |
1150 | } |
1151 | ||
a0d0e21e | 1152 | PP(pp_sgt) |
79072805 | 1153 | { |
8ec5e241 | 1154 | djSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1155 | { |
1156 | dPOPTOPssrl; | |
533c011a | 1157 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1158 | ? sv_cmp_locale(left, right) |
1159 | : sv_cmp(left, right)); | |
54310121 | 1160 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1161 | RETURN; |
1162 | } | |
1163 | } | |
79072805 | 1164 | |
a0d0e21e LW |
1165 | PP(pp_sle) |
1166 | { | |
8ec5e241 | 1167 | djSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1168 | { |
1169 | dPOPTOPssrl; | |
533c011a | 1170 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1171 | ? sv_cmp_locale(left, right) |
1172 | : sv_cmp(left, right)); | |
54310121 | 1173 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1174 | RETURN; |
79072805 | 1175 | } |
79072805 LW |
1176 | } |
1177 | ||
a0d0e21e LW |
1178 | PP(pp_sge) |
1179 | { | |
8ec5e241 | 1180 | djSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1181 | { |
1182 | dPOPTOPssrl; | |
533c011a | 1183 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1184 | ? sv_cmp_locale(left, right) |
1185 | : sv_cmp(left, right)); | |
54310121 | 1186 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1187 | RETURN; |
1188 | } | |
1189 | } | |
79072805 | 1190 | |
36477c24 | 1191 | PP(pp_seq) |
1192 | { | |
8ec5e241 | 1193 | djSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1194 | { |
1195 | dPOPTOPssrl; | |
54310121 | 1196 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1197 | RETURN; |
1198 | } | |
1199 | } | |
79072805 | 1200 | |
a0d0e21e | 1201 | PP(pp_sne) |
79072805 | 1202 | { |
8ec5e241 | 1203 | djSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1204 | { |
1205 | dPOPTOPssrl; | |
54310121 | 1206 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1207 | RETURN; |
463ee0b2 | 1208 | } |
79072805 LW |
1209 | } |
1210 | ||
a0d0e21e | 1211 | PP(pp_scmp) |
79072805 | 1212 | { |
4e35701f | 1213 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1214 | { |
1215 | dPOPTOPssrl; | |
533c011a | 1216 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1217 | ? sv_cmp_locale(left, right) |
1218 | : sv_cmp(left, right)); | |
1219 | SETi( cmp ); | |
a0d0e21e LW |
1220 | RETURN; |
1221 | } | |
1222 | } | |
79072805 | 1223 | |
55497cff | 1224 | PP(pp_bit_and) |
1225 | { | |
8ec5e241 | 1226 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1227 | { |
1228 | dPOPTOPssrl; | |
4633a7c4 | 1229 | if (SvNIOKp(left) || SvNIOKp(right)) { |
533c011a | 1230 | if (PL_op->op_private & HINT_INTEGER) { |
8ec5e241 | 1231 | IBW value = SvIV(left) & SvIV(right); |
96e4d5b1 | 1232 | SETi(BWi(value)); |
36477c24 | 1233 | } |
1234 | else { | |
8ec5e241 | 1235 | UBW value = SvUV(left) & SvUV(right); |
96e4d5b1 | 1236 | SETu(BWu(value)); |
36477c24 | 1237 | } |
a0d0e21e LW |
1238 | } |
1239 | else { | |
533c011a | 1240 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1241 | SETTARG; |
1242 | } | |
1243 | RETURN; | |
1244 | } | |
1245 | } | |
79072805 | 1246 | |
a0d0e21e LW |
1247 | PP(pp_bit_xor) |
1248 | { | |
8ec5e241 | 1249 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
1250 | { |
1251 | dPOPTOPssrl; | |
4633a7c4 | 1252 | if (SvNIOKp(left) || SvNIOKp(right)) { |
533c011a | 1253 | if (PL_op->op_private & HINT_INTEGER) { |
8ec5e241 | 1254 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
96e4d5b1 | 1255 | SETi(BWi(value)); |
36477c24 | 1256 | } |
1257 | else { | |
8ec5e241 | 1258 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
96e4d5b1 | 1259 | SETu(BWu(value)); |
36477c24 | 1260 | } |
a0d0e21e LW |
1261 | } |
1262 | else { | |
533c011a | 1263 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1264 | SETTARG; |
1265 | } | |
1266 | RETURN; | |
1267 | } | |
1268 | } | |
79072805 | 1269 | |
a0d0e21e LW |
1270 | PP(pp_bit_or) |
1271 | { | |
8ec5e241 | 1272 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
1273 | { |
1274 | dPOPTOPssrl; | |
4633a7c4 | 1275 | if (SvNIOKp(left) || SvNIOKp(right)) { |
533c011a | 1276 | if (PL_op->op_private & HINT_INTEGER) { |
8ec5e241 | 1277 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
96e4d5b1 | 1278 | SETi(BWi(value)); |
36477c24 | 1279 | } |
1280 | else { | |
8ec5e241 | 1281 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
96e4d5b1 | 1282 | SETu(BWu(value)); |
36477c24 | 1283 | } |
a0d0e21e LW |
1284 | } |
1285 | else { | |
533c011a | 1286 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1287 | SETTARG; |
1288 | } | |
1289 | RETURN; | |
79072805 | 1290 | } |
a0d0e21e | 1291 | } |
79072805 | 1292 | |
a0d0e21e LW |
1293 | PP(pp_negate) |
1294 | { | |
4e35701f | 1295 | djSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
1296 | { |
1297 | dTOPss; | |
4633a7c4 LW |
1298 | if (SvGMAGICAL(sv)) |
1299 | mg_get(sv); | |
55497cff | 1300 | if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN) |
1301 | SETi(-SvIVX(sv)); | |
1302 | else if (SvNIOKp(sv)) | |
a0d0e21e | 1303 | SETn(-SvNV(sv)); |
4633a7c4 | 1304 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
1305 | STRLEN len; |
1306 | char *s = SvPV(sv, len); | |
bbce6d69 | 1307 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
1308 | sv_setpvn(TARG, "-", 1); |
1309 | sv_catsv(TARG, sv); | |
79072805 | 1310 | } |
a0d0e21e LW |
1311 | else if (*s == '+' || *s == '-') { |
1312 | sv_setsv(TARG, sv); | |
1313 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 LW |
1314 | } |
1315 | else | |
a0d0e21e LW |
1316 | sv_setnv(TARG, -SvNV(sv)); |
1317 | SETTARG; | |
79072805 | 1318 | } |
4633a7c4 LW |
1319 | else |
1320 | SETn(-SvNV(sv)); | |
79072805 | 1321 | } |
a0d0e21e | 1322 | RETURN; |
79072805 LW |
1323 | } |
1324 | ||
a0d0e21e | 1325 | PP(pp_not) |
79072805 | 1326 | { |
a0d0e21e | 1327 | #ifdef OVERLOAD |
4e35701f | 1328 | djSP; tryAMAGICunSET(not); |
a0d0e21e | 1329 | #endif /* OVERLOAD */ |
3280af22 | 1330 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 1331 | return NORMAL; |
79072805 LW |
1332 | } |
1333 | ||
a0d0e21e | 1334 | PP(pp_complement) |
79072805 | 1335 | { |
8ec5e241 | 1336 | djSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
1337 | { |
1338 | dTOPss; | |
4633a7c4 | 1339 | if (SvNIOKp(sv)) { |
533c011a | 1340 | if (PL_op->op_private & HINT_INTEGER) { |
36477c24 | 1341 | IBW value = ~SvIV(sv); |
96e4d5b1 | 1342 | SETi(BWi(value)); |
36477c24 | 1343 | } |
1344 | else { | |
1345 | UBW value = ~SvUV(sv); | |
96e4d5b1 | 1346 | SETu(BWu(value)); |
36477c24 | 1347 | } |
a0d0e21e LW |
1348 | } |
1349 | else { | |
1350 | register char *tmps; | |
1351 | register long *tmpl; | |
55497cff | 1352 | register I32 anum; |
a0d0e21e LW |
1353 | STRLEN len; |
1354 | ||
1355 | SvSetSV(TARG, sv); | |
1356 | tmps = SvPV_force(TARG, len); | |
1357 | anum = len; | |
1358 | #ifdef LIBERAL | |
1359 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
1360 | *tmps = ~*tmps; | |
1361 | tmpl = (long*)tmps; | |
1362 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
1363 | *tmpl = ~*tmpl; | |
1364 | tmps = (char*)tmpl; | |
1365 | #endif | |
1366 | for ( ; anum > 0; anum--, tmps++) | |
1367 | *tmps = ~*tmps; | |
1368 | ||
1369 | SETs(TARG); | |
1370 | } | |
1371 | RETURN; | |
1372 | } | |
79072805 LW |
1373 | } |
1374 | ||
a0d0e21e LW |
1375 | /* integer versions of some of the above */ |
1376 | ||
a0d0e21e | 1377 | PP(pp_i_multiply) |
79072805 | 1378 | { |
8ec5e241 | 1379 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
1380 | { |
1381 | dPOPTOPiirl; | |
1382 | SETi( left * right ); | |
1383 | RETURN; | |
1384 | } | |
79072805 LW |
1385 | } |
1386 | ||
a0d0e21e | 1387 | PP(pp_i_divide) |
79072805 | 1388 | { |
8ec5e241 | 1389 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
1390 | { |
1391 | dPOPiv; | |
1392 | if (value == 0) | |
1393 | DIE("Illegal division by zero"); | |
1394 | value = POPi / value; | |
1395 | PUSHi( value ); | |
1396 | RETURN; | |
1397 | } | |
79072805 LW |
1398 | } |
1399 | ||
a0d0e21e | 1400 | PP(pp_i_modulo) |
79072805 | 1401 | { |
76e3520e | 1402 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 1403 | { |
a0d0e21e | 1404 | dPOPTOPiirl; |
aa306039 CS |
1405 | if (!right) |
1406 | DIE("Illegal modulus zero"); | |
a0d0e21e LW |
1407 | SETi( left % right ); |
1408 | RETURN; | |
79072805 | 1409 | } |
79072805 LW |
1410 | } |
1411 | ||
a0d0e21e | 1412 | PP(pp_i_add) |
79072805 | 1413 | { |
8ec5e241 | 1414 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e LW |
1415 | { |
1416 | dPOPTOPiirl; | |
1417 | SETi( left + right ); | |
1418 | RETURN; | |
79072805 | 1419 | } |
79072805 LW |
1420 | } |
1421 | ||
a0d0e21e | 1422 | PP(pp_i_subtract) |
79072805 | 1423 | { |
8ec5e241 | 1424 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e LW |
1425 | { |
1426 | dPOPTOPiirl; | |
1427 | SETi( left - right ); | |
1428 | RETURN; | |
79072805 | 1429 | } |
79072805 LW |
1430 | } |
1431 | ||
a0d0e21e | 1432 | PP(pp_i_lt) |
79072805 | 1433 | { |
8ec5e241 | 1434 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1435 | { |
1436 | dPOPTOPiirl; | |
54310121 | 1437 | SETs(boolSV(left < right)); |
a0d0e21e LW |
1438 | RETURN; |
1439 | } | |
79072805 LW |
1440 | } |
1441 | ||
a0d0e21e | 1442 | PP(pp_i_gt) |
79072805 | 1443 | { |
8ec5e241 | 1444 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1445 | { |
1446 | dPOPTOPiirl; | |
54310121 | 1447 | SETs(boolSV(left > right)); |
a0d0e21e LW |
1448 | RETURN; |
1449 | } | |
79072805 LW |
1450 | } |
1451 | ||
a0d0e21e | 1452 | PP(pp_i_le) |
79072805 | 1453 | { |
8ec5e241 | 1454 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1455 | { |
1456 | dPOPTOPiirl; | |
54310121 | 1457 | SETs(boolSV(left <= right)); |
a0d0e21e | 1458 | RETURN; |
85e6fe83 | 1459 | } |
79072805 LW |
1460 | } |
1461 | ||
a0d0e21e | 1462 | PP(pp_i_ge) |
79072805 | 1463 | { |
8ec5e241 | 1464 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1465 | { |
1466 | dPOPTOPiirl; | |
54310121 | 1467 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
1468 | RETURN; |
1469 | } | |
79072805 LW |
1470 | } |
1471 | ||
a0d0e21e | 1472 | PP(pp_i_eq) |
79072805 | 1473 | { |
8ec5e241 | 1474 | djSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
1475 | { |
1476 | dPOPTOPiirl; | |
54310121 | 1477 | SETs(boolSV(left == right)); |
a0d0e21e LW |
1478 | RETURN; |
1479 | } | |
79072805 LW |
1480 | } |
1481 | ||
a0d0e21e | 1482 | PP(pp_i_ne) |
79072805 | 1483 | { |
8ec5e241 | 1484 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1485 | { |
1486 | dPOPTOPiirl; | |
54310121 | 1487 | SETs(boolSV(left != right)); |
a0d0e21e LW |
1488 | RETURN; |
1489 | } | |
79072805 LW |
1490 | } |
1491 | ||
a0d0e21e | 1492 | PP(pp_i_ncmp) |
79072805 | 1493 | { |
8ec5e241 | 1494 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1495 | { |
1496 | dPOPTOPiirl; | |
1497 | I32 value; | |
79072805 | 1498 | |
a0d0e21e | 1499 | if (left > right) |
79072805 | 1500 | value = 1; |
a0d0e21e | 1501 | else if (left < right) |
79072805 | 1502 | value = -1; |
a0d0e21e | 1503 | else |
79072805 | 1504 | value = 0; |
a0d0e21e LW |
1505 | SETi(value); |
1506 | RETURN; | |
79072805 | 1507 | } |
85e6fe83 LW |
1508 | } |
1509 | ||
1510 | PP(pp_i_negate) | |
1511 | { | |
4e35701f | 1512 | djSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
1513 | SETi(-TOPi); |
1514 | RETURN; | |
1515 | } | |
1516 | ||
79072805 LW |
1517 | /* High falutin' math. */ |
1518 | ||
1519 | PP(pp_atan2) | |
1520 | { | |
8ec5e241 | 1521 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
1522 | { |
1523 | dPOPTOPnnrl; | |
1524 | SETn(atan2(left, right)); | |
1525 | RETURN; | |
1526 | } | |
79072805 LW |
1527 | } |
1528 | ||
1529 | PP(pp_sin) | |
1530 | { | |
4e35701f | 1531 | djSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e LW |
1532 | { |
1533 | double value; | |
1534 | value = POPn; | |
1535 | value = sin(value); | |
1536 | XPUSHn(value); | |
1537 | RETURN; | |
1538 | } | |
79072805 LW |
1539 | } |
1540 | ||
1541 | PP(pp_cos) | |
1542 | { | |
4e35701f | 1543 | djSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e LW |
1544 | { |
1545 | double value; | |
1546 | value = POPn; | |
1547 | value = cos(value); | |
1548 | XPUSHn(value); | |
1549 | RETURN; | |
1550 | } | |
79072805 LW |
1551 | } |
1552 | ||
56cb0a1c AD |
1553 | /* Support Configure command-line overrides for rand() functions. |
1554 | After 5.005, perhaps we should replace this by Configure support | |
1555 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
1556 | compatibility by calling rand() but allow the user to override it. | |
1557 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
1558 | */ | |
1559 | #ifndef my_rand | |
1560 | # define my_rand rand | |
1561 | #endif | |
1562 | #ifndef my_srand | |
1563 | # define my_srand srand | |
1564 | #endif | |
1565 | ||
79072805 LW |
1566 | PP(pp_rand) |
1567 | { | |
4e35701f | 1568 | djSP; dTARGET; |
79072805 LW |
1569 | double value; |
1570 | if (MAXARG < 1) | |
1571 | value = 1.0; | |
1572 | else | |
1573 | value = POPn; | |
1574 | if (value == 0.0) | |
1575 | value = 1.0; | |
93dc8474 | 1576 | if (!srand_called) { |
56cb0a1c | 1577 | (void)my_srand((unsigned)seed()); |
93dc8474 CS |
1578 | srand_called = TRUE; |
1579 | } | |
79072805 | 1580 | #if RANDBITS == 31 |
56cb0a1c | 1581 | value = my_rand() * value / 2147483648.0; |
79072805 LW |
1582 | #else |
1583 | #if RANDBITS == 16 | |
56cb0a1c | 1584 | value = my_rand() * value / 65536.0; |
79072805 LW |
1585 | #else |
1586 | #if RANDBITS == 15 | |
56cb0a1c | 1587 | value = my_rand() * value / 32768.0; |
79072805 | 1588 | #else |
56cb0a1c | 1589 | value = my_rand() * value / (double)(((unsigned long)1) << RANDBITS); |
79072805 LW |
1590 | #endif |
1591 | #endif | |
1592 | #endif | |
1593 | XPUSHn(value); | |
1594 | RETURN; | |
1595 | } | |
1596 | ||
1597 | PP(pp_srand) | |
1598 | { | |
4e35701f | 1599 | djSP; |
93dc8474 CS |
1600 | UV anum; |
1601 | if (MAXARG < 1) | |
1602 | anum = seed(); | |
79072805 | 1603 | else |
93dc8474 | 1604 | anum = POPu; |
56cb0a1c | 1605 | (void)my_srand((unsigned)anum); |
93dc8474 | 1606 | srand_called = TRUE; |
79072805 LW |
1607 | EXTEND(SP, 1); |
1608 | RETPUSHYES; | |
1609 | } | |
1610 | ||
76e3520e | 1611 | STATIC U32 |
8ac85365 | 1612 | seed(void) |
93dc8474 | 1613 | { |
54310121 | 1614 | /* |
1615 | * This is really just a quick hack which grabs various garbage | |
1616 | * values. It really should be a real hash algorithm which | |
1617 | * spreads the effect of every input bit onto every output bit, | |
1618 | * if someone who knows about such tings would bother to write it. | |
1619 | * Might be a good idea to add that function to CORE as well. | |
1620 | * No numbers below come from careful analysis or anyting here, | |
1621 | * except they are primes and SEED_C1 > 1E6 to get a full-width | |
1622 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
1623 | * probably be bigger too. | |
1624 | */ | |
1625 | #if RANDBITS > 16 | |
1626 | # define SEED_C1 1000003 | |
1627 | #define SEED_C4 73819 | |
1628 | #else | |
1629 | # define SEED_C1 25747 | |
1630 | #define SEED_C4 20639 | |
1631 | #endif | |
1632 | #define SEED_C2 3 | |
1633 | #define SEED_C3 269 | |
1634 | #define SEED_C5 26107 | |
1635 | ||
e858de61 | 1636 | dTHR; |
93dc8474 | 1637 | U32 u; |
f12c7020 | 1638 | #ifdef VMS |
1639 | # include <starlet.h> | |
43c92808 HF |
1640 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
1641 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 CS |
1642 | unsigned int when[2]; |
1643 | _ckvmssts(sys$gettim(when)); | |
54310121 | 1644 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 1645 | #else |
5f05dabc | 1646 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 CS |
1647 | struct timeval when; |
1648 | gettimeofday(&when,(struct timezone *) 0); | |
54310121 | 1649 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 1650 | # else |
93dc8474 CS |
1651 | Time_t when; |
1652 | (void)time(&when); | |
54310121 | 1653 | u = (U32)SEED_C1 * when; |
f12c7020 | 1654 | # endif |
1655 | #endif | |
54310121 | 1656 | u += SEED_C3 * (U32)getpid(); |
3280af22 | 1657 | u += SEED_C4 * (U32)(UV)PL_stack_sp; |
54310121 | 1658 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
1659 | u += SEED_C5 * (U32)(UV)&when; | |
f12c7020 | 1660 | #endif |
93dc8474 | 1661 | return u; |
79072805 LW |
1662 | } |
1663 | ||
1664 | PP(pp_exp) | |
1665 | { | |
4e35701f | 1666 | djSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e LW |
1667 | { |
1668 | double value; | |
1669 | value = POPn; | |
1670 | value = exp(value); | |
1671 | XPUSHn(value); | |
1672 | RETURN; | |
1673 | } | |
79072805 LW |
1674 | } |
1675 | ||
1676 | PP(pp_log) | |
1677 | { | |
4e35701f | 1678 | djSP; dTARGET; tryAMAGICun(log); |
a0d0e21e LW |
1679 | { |
1680 | double value; | |
1681 | value = POPn; | |
bbce6d69 | 1682 | if (value <= 0.0) { |
36477c24 | 1683 | SET_NUMERIC_STANDARD(); |
2304df62 | 1684 | DIE("Can't take log of %g", value); |
bbce6d69 | 1685 | } |
a0d0e21e LW |
1686 | value = log(value); |
1687 | XPUSHn(value); | |
1688 | RETURN; | |
1689 | } | |
79072805 LW |
1690 | } |
1691 | ||
1692 | PP(pp_sqrt) | |
1693 | { | |
4e35701f | 1694 | djSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e LW |
1695 | { |
1696 | double value; | |
1697 | value = POPn; | |
bbce6d69 | 1698 | if (value < 0.0) { |
36477c24 | 1699 | SET_NUMERIC_STANDARD(); |
2304df62 | 1700 | DIE("Can't take sqrt of %g", value); |
bbce6d69 | 1701 | } |
a0d0e21e LW |
1702 | value = sqrt(value); |
1703 | XPUSHn(value); | |
1704 | RETURN; | |
1705 | } | |
79072805 LW |
1706 | } |
1707 | ||
1708 | PP(pp_int) | |
1709 | { | |
4e35701f | 1710 | djSP; dTARGET; |
774d564b | 1711 | { |
1712 | double value = TOPn; | |
1713 | IV iv; | |
1714 | ||
1715 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) { | |
1716 | iv = SvIVX(TOPs); | |
1717 | SETi(iv); | |
1718 | } | |
1719 | else { | |
1720 | if (value >= 0.0) | |
1721 | (void)modf(value, &value); | |
1722 | else { | |
1723 | (void)modf(-value, &value); | |
1724 | value = -value; | |
1725 | } | |
1726 | iv = I_V(value); | |
1727 | if (iv == value) | |
1728 | SETi(iv); | |
1729 | else | |
1730 | SETn(value); | |
1731 | } | |
79072805 | 1732 | } |
79072805 LW |
1733 | RETURN; |
1734 | } | |
1735 | ||
463ee0b2 LW |
1736 | PP(pp_abs) |
1737 | { | |
4e35701f | 1738 | djSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 1739 | { |
774d564b | 1740 | double value = TOPn; |
1741 | IV iv; | |
463ee0b2 | 1742 | |
774d564b | 1743 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) && |
1744 | (iv = SvIVX(TOPs)) != IV_MIN) { | |
1745 | if (iv < 0) | |
1746 | iv = -iv; | |
1747 | SETi(iv); | |
1748 | } | |
1749 | else { | |
1750 | if (value < 0.0) | |
1751 | value = -value; | |
1752 | SETn(value); | |
1753 | } | |
a0d0e21e | 1754 | } |
774d564b | 1755 | RETURN; |
463ee0b2 LW |
1756 | } |
1757 | ||
79072805 LW |
1758 | PP(pp_hex) |
1759 | { | |
4e35701f | 1760 | djSP; dTARGET; |
79072805 LW |
1761 | char *tmps; |
1762 | I32 argtype; | |
1763 | ||
a0d0e21e | 1764 | tmps = POPp; |
55497cff | 1765 | XPUSHu(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
1766 | RETURN; |
1767 | } | |
1768 | ||
1769 | PP(pp_oct) | |
1770 | { | |
4e35701f | 1771 | djSP; dTARGET; |
55497cff | 1772 | UV value; |
79072805 LW |
1773 | I32 argtype; |
1774 | char *tmps; | |
1775 | ||
a0d0e21e | 1776 | tmps = POPp; |
464e2e8a | 1777 | while (*tmps && isSPACE(*tmps)) |
1778 | tmps++; | |
1779 | if (*tmps == '0') | |
79072805 LW |
1780 | tmps++; |
1781 | if (*tmps == 'x') | |
464e2e8a | 1782 | value = scan_hex(++tmps, 99, &argtype); |
1783 | else | |
1784 | value = scan_oct(tmps, 99, &argtype); | |
55497cff | 1785 | XPUSHu(value); |
79072805 LW |
1786 | RETURN; |
1787 | } | |
1788 | ||
1789 | /* String stuff. */ | |
1790 | ||
1791 | PP(pp_length) | |
1792 | { | |
4e35701f | 1793 | djSP; dTARGET; |
a0d0e21e | 1794 | SETi( sv_len(TOPs) ); |
79072805 LW |
1795 | RETURN; |
1796 | } | |
1797 | ||
1798 | PP(pp_substr) | |
1799 | { | |
4e35701f | 1800 | djSP; dTARGET; |
79072805 LW |
1801 | SV *sv; |
1802 | I32 len; | |
463ee0b2 | 1803 | STRLEN curlen; |
79072805 LW |
1804 | I32 pos; |
1805 | I32 rem; | |
84902520 | 1806 | I32 fail; |
533c011a | 1807 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
79072805 | 1808 | char *tmps; |
3280af22 | 1809 | I32 arybase = PL_curcop->cop_arybase; |
7b8d334a GS |
1810 | char *repl = 0; |
1811 | STRLEN repl_len; | |
79072805 | 1812 | |
20408e3c | 1813 | SvTAINTED_off(TARG); /* decontaminate */ |
5d82c453 GA |
1814 | if (MAXARG > 2) { |
1815 | if (MAXARG > 3) { | |
1816 | sv = POPs; | |
1817 | repl = SvPV(sv, repl_len); | |
7b8d334a | 1818 | } |
79072805 | 1819 | len = POPi; |
5d82c453 | 1820 | } |
84902520 | 1821 | pos = POPi; |
79072805 | 1822 | sv = POPs; |
849ca7ee | 1823 | PUTBACK; |
a0d0e21e | 1824 | tmps = SvPV(sv, curlen); |
84902520 TB |
1825 | if (pos >= arybase) { |
1826 | pos -= arybase; | |
1827 | rem = curlen-pos; | |
1828 | fail = rem; | |
5d82c453 GA |
1829 | if (MAXARG > 2) { |
1830 | if (len < 0) { | |
1831 | rem += len; | |
1832 | if (rem < 0) | |
1833 | rem = 0; | |
1834 | } | |
1835 | else if (rem > len) | |
1836 | rem = len; | |
1837 | } | |
68dc0745 | 1838 | } |
84902520 | 1839 | else { |
5d82c453 GA |
1840 | pos += curlen; |
1841 | if (MAXARG < 3) | |
1842 | rem = curlen; | |
1843 | else if (len >= 0) { | |
1844 | rem = pos+len; | |
1845 | if (rem > (I32)curlen) | |
1846 | rem = curlen; | |
1847 | } | |
1848 | else { | |
1849 | rem = curlen+len; | |
1850 | if (rem < pos) | |
1851 | rem = pos; | |
1852 | } | |
1853 | if (pos < 0) | |
1854 | pos = 0; | |
1855 | fail = rem; | |
1856 | rem -= pos; | |
84902520 TB |
1857 | } |
1858 | if (fail < 0) { | |
3280af22 | 1859 | if (PL_dowarn || lvalue || repl) |
2304df62 AD |
1860 | warn("substr outside of string"); |
1861 | RETPUSHUNDEF; | |
1862 | } | |
79072805 | 1863 | else { |
79072805 | 1864 | tmps += pos; |
79072805 LW |
1865 | sv_setpvn(TARG, tmps, rem); |
1866 | if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 1867 | if (!SvGMAGICAL(sv)) { |
1868 | if (SvROK(sv)) { | |
3280af22 NIS |
1869 | SvPV_force(sv,PL_na); |
1870 | if (PL_dowarn) | |
dedeecda | 1871 | warn("Attempt to use reference as lvalue in substr"); |
1872 | } | |
1873 | if (SvOK(sv)) /* is it defined ? */ | |
1874 | (void)SvPOK_only(sv); | |
1875 | else | |
1876 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
1877 | } | |
5f05dabc | 1878 | |
a0d0e21e LW |
1879 | if (SvTYPE(TARG) < SVt_PVLV) { |
1880 | sv_upgrade(TARG, SVt_PVLV); | |
1881 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 1882 | } |
a0d0e21e | 1883 | |
5f05dabc | 1884 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
1885 | if (LvTARG(TARG) != sv) { |
1886 | if (LvTARG(TARG)) | |
1887 | SvREFCNT_dec(LvTARG(TARG)); | |
1888 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
1889 | } | |
a0d0e21e | 1890 | LvTARGOFF(TARG) = pos; |
8ec5e241 | 1891 | LvTARGLEN(TARG) = rem; |
79072805 | 1892 | } |
5d82c453 | 1893 | else if (repl) |
7b8d334a | 1894 | sv_insert(sv, pos, rem, repl, repl_len); |
79072805 | 1895 | } |
849ca7ee | 1896 | SPAGAIN; |
79072805 LW |
1897 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
1898 | RETURN; | |
1899 | } | |
1900 | ||
1901 | PP(pp_vec) | |
1902 | { | |
4e35701f | 1903 | djSP; dTARGET; |
79072805 LW |
1904 | register I32 size = POPi; |
1905 | register I32 offset = POPi; | |
1906 | register SV *src = POPs; | |
533c011a | 1907 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
463ee0b2 LW |
1908 | STRLEN srclen; |
1909 | unsigned char *s = (unsigned char*)SvPV(src, srclen); | |
79072805 LW |
1910 | unsigned long retnum; |
1911 | I32 len; | |
1912 | ||
20408e3c | 1913 | SvTAINTED_off(TARG); /* decontaminate */ |
79072805 LW |
1914 | offset *= size; /* turn into bit offset */ |
1915 | len = (offset + size + 7) / 8; | |
1916 | if (offset < 0 || size < 1) | |
1917 | retnum = 0; | |
79072805 | 1918 | else { |
a0d0e21e LW |
1919 | if (lvalue) { /* it's an lvalue! */ |
1920 | if (SvTYPE(TARG) < SVt_PVLV) { | |
1921 | sv_upgrade(TARG, SVt_PVLV); | |
1922 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
1923 | } | |
1924 | ||
1925 | LvTYPE(TARG) = 'v'; | |
6ff81951 GS |
1926 | if (LvTARG(TARG) != src) { |
1927 | if (LvTARG(TARG)) | |
1928 | SvREFCNT_dec(LvTARG(TARG)); | |
1929 | LvTARG(TARG) = SvREFCNT_inc(src); | |
1930 | } | |
8ec5e241 NIS |
1931 | LvTARGOFF(TARG) = offset; |
1932 | LvTARGLEN(TARG) = size; | |
a0d0e21e | 1933 | } |
93a17b20 | 1934 | if (len > srclen) { |
a0d0e21e LW |
1935 | if (size <= 8) |
1936 | retnum = 0; | |
1937 | else { | |
1938 | offset >>= 3; | |
748a9306 LW |
1939 | if (size == 16) { |
1940 | if (offset >= srclen) | |
1941 | retnum = 0; | |
a0d0e21e | 1942 | else |
748a9306 LW |
1943 | retnum = (unsigned long) s[offset] << 8; |
1944 | } | |
1945 | else if (size == 32) { | |
1946 | if (offset >= srclen) | |
1947 | retnum = 0; | |
1948 | else if (offset + 1 >= srclen) | |
a0d0e21e | 1949 | retnum = (unsigned long) s[offset] << 24; |
748a9306 LW |
1950 | else if (offset + 2 >= srclen) |
1951 | retnum = ((unsigned long) s[offset] << 24) + | |
1952 | ((unsigned long) s[offset + 1] << 16); | |
1953 | else | |
1954 | retnum = ((unsigned long) s[offset] << 24) + | |
1955 | ((unsigned long) s[offset + 1] << 16) + | |
1956 | (s[offset + 2] << 8); | |
a0d0e21e LW |
1957 | } |
1958 | } | |
79072805 | 1959 | } |
a0d0e21e | 1960 | else if (size < 8) |
79072805 LW |
1961 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
1962 | else { | |
1963 | offset >>= 3; | |
1964 | if (size == 8) | |
1965 | retnum = s[offset]; | |
1966 | else if (size == 16) | |
1967 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; | |
1968 | else if (size == 32) | |
1969 | retnum = ((unsigned long) s[offset] << 24) + | |
1970 | ((unsigned long) s[offset + 1] << 16) + | |
1971 | (s[offset + 2] << 8) + s[offset+3]; | |
1972 | } | |
79072805 LW |
1973 | } |
1974 | ||
deb3007b | 1975 | sv_setuv(TARG, (UV)retnum); |
79072805 LW |
1976 | PUSHs(TARG); |
1977 | RETURN; | |
1978 | } | |
1979 | ||
1980 | PP(pp_index) | |
1981 | { | |
4e35701f | 1982 | djSP; dTARGET; |
79072805 LW |
1983 | SV *big; |
1984 | SV *little; | |
1985 | I32 offset; | |
1986 | I32 retval; | |
1987 | char *tmps; | |
1988 | char *tmps2; | |
463ee0b2 | 1989 | STRLEN biglen; |
3280af22 | 1990 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
1991 | |
1992 | if (MAXARG < 3) | |
1993 | offset = 0; | |
1994 | else | |
1995 | offset = POPi - arybase; | |
1996 | little = POPs; | |
1997 | big = POPs; | |
463ee0b2 | 1998 | tmps = SvPV(big, biglen); |
79072805 LW |
1999 | if (offset < 0) |
2000 | offset = 0; | |
93a17b20 LW |
2001 | else if (offset > biglen) |
2002 | offset = biglen; | |
79072805 | 2003 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 2004 | (unsigned char*)tmps + biglen, little, 0))) |
79072805 LW |
2005 | retval = -1 + arybase; |
2006 | else | |
2007 | retval = tmps2 - tmps + arybase; | |
2008 | PUSHi(retval); | |
2009 | RETURN; | |
2010 | } | |
2011 | ||
2012 | PP(pp_rindex) | |
2013 | { | |
4e35701f | 2014 | djSP; dTARGET; |
79072805 LW |
2015 | SV *big; |
2016 | SV *little; | |
463ee0b2 LW |
2017 | STRLEN blen; |
2018 | STRLEN llen; | |
79072805 LW |
2019 | SV *offstr; |
2020 | I32 offset; | |
2021 | I32 retval; | |
2022 | char *tmps; | |
2023 | char *tmps2; | |
3280af22 | 2024 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 2025 | |
a0d0e21e | 2026 | if (MAXARG >= 3) |
79072805 LW |
2027 | offstr = POPs; |
2028 | little = POPs; | |
2029 | big = POPs; | |
463ee0b2 LW |
2030 | tmps2 = SvPV(little, llen); |
2031 | tmps = SvPV(big, blen); | |
79072805 | 2032 | if (MAXARG < 3) |
463ee0b2 | 2033 | offset = blen; |
79072805 | 2034 | else |
463ee0b2 | 2035 | offset = SvIV(offstr) - arybase + llen; |
79072805 LW |
2036 | if (offset < 0) |
2037 | offset = 0; | |
463ee0b2 LW |
2038 | else if (offset > blen) |
2039 | offset = blen; | |
79072805 | 2040 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2041 | tmps2, tmps2 + llen))) |
79072805 LW |
2042 | retval = -1 + arybase; |
2043 | else | |
2044 | retval = tmps2 - tmps + arybase; | |
2045 | PUSHi(retval); | |
2046 | RETURN; | |
2047 | } | |
2048 | ||
2049 | PP(pp_sprintf) | |
2050 | { | |
4e35701f | 2051 | djSP; dMARK; dORIGMARK; dTARGET; |
36477c24 | 2052 | #ifdef USE_LOCALE_NUMERIC |
533c011a | 2053 | if (PL_op->op_private & OPpLOCALE) |
36477c24 | 2054 | SET_NUMERIC_LOCAL(); |
bbce6d69 | 2055 | else |
36477c24 | 2056 | SET_NUMERIC_STANDARD(); |
2057 | #endif | |
79072805 | 2058 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2059 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2060 | SP = ORIGMARK; |
2061 | PUSHTARG; | |
2062 | RETURN; | |
2063 | } | |
2064 | ||
79072805 LW |
2065 | PP(pp_ord) |
2066 | { | |
4e35701f | 2067 | djSP; dTARGET; |
79072805 LW |
2068 | I32 value; |
2069 | char *tmps; | |
79072805 | 2070 | |
79072805 | 2071 | #ifndef I286 |
a0d0e21e | 2072 | tmps = POPp; |
79072805 LW |
2073 | value = (I32) (*tmps & 255); |
2074 | #else | |
a0d0e21e LW |
2075 | I32 anum; |
2076 | tmps = POPp; | |
79072805 LW |
2077 | anum = (I32) *tmps; |
2078 | value = (I32) (anum & 255); | |
2079 | #endif | |
2080 | XPUSHi(value); | |
2081 | RETURN; | |
2082 | } | |
2083 | ||
463ee0b2 LW |
2084 | PP(pp_chr) |
2085 | { | |
4e35701f | 2086 | djSP; dTARGET; |
463ee0b2 LW |
2087 | char *tmps; |
2088 | ||
748a9306 LW |
2089 | (void)SvUPGRADE(TARG,SVt_PV); |
2090 | SvGROW(TARG,2); | |
463ee0b2 LW |
2091 | SvCUR_set(TARG, 1); |
2092 | tmps = SvPVX(TARG); | |
748a9306 LW |
2093 | *tmps++ = POPi; |
2094 | *tmps = '\0'; | |
a0d0e21e | 2095 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
2096 | XPUSHs(TARG); |
2097 | RETURN; | |
2098 | } | |
2099 | ||
79072805 LW |
2100 | PP(pp_crypt) |
2101 | { | |
4e35701f | 2102 | djSP; dTARGET; dPOPTOPssrl; |
79072805 | 2103 | #ifdef HAS_CRYPT |
3280af22 | 2104 | char *tmps = SvPV(left, PL_na); |
79072805 | 2105 | #ifdef FCRYPT |
6b88bc9c | 2106 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, PL_na))); |
79072805 | 2107 | #else |
ff95b63e | 2108 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, PL_na))); |
79072805 LW |
2109 | #endif |
2110 | #else | |
2111 | DIE( | |
2112 | "The crypt() function is unimplemented due to excessive paranoia."); | |
2113 | #endif | |
2114 | SETs(TARG); | |
2115 | RETURN; | |
2116 | } | |
2117 | ||
2118 | PP(pp_ucfirst) | |
2119 | { | |
4e35701f | 2120 | djSP; |
79072805 LW |
2121 | SV *sv = TOPs; |
2122 | register char *s; | |
2123 | ||
ed6116ce | 2124 | if (!SvPADTMP(sv)) { |
79072805 LW |
2125 | dTARGET; |
2126 | sv_setsv(TARG, sv); | |
2127 | sv = TARG; | |
2128 | SETs(sv); | |
2129 | } | |
3280af22 | 2130 | s = SvPV_force(sv, PL_na); |
bbce6d69 | 2131 | if (*s) { |
533c011a | 2132 | if (PL_op->op_private & OPpLOCALE) { |
bbce6d69 | 2133 | TAINT; |
2134 | SvTAINTED_on(sv); | |
2135 | *s = toUPPER_LC(*s); | |
2136 | } | |
2137 | else | |
2138 | *s = toUPPER(*s); | |
2139 | } | |
79072805 LW |
2140 | |
2141 | RETURN; | |
2142 | } | |
2143 | ||
2144 | PP(pp_lcfirst) | |
2145 | { | |
4e35701f | 2146 | djSP; |
79072805 LW |
2147 | SV *sv = TOPs; |
2148 | register char *s; | |
2149 | ||
ed6116ce | 2150 | if (!SvPADTMP(sv)) { |
79072805 LW |
2151 | dTARGET; |
2152 | sv_setsv(TARG, sv); | |
2153 | sv = TARG; | |
2154 | SETs(sv); | |
2155 | } | |
3280af22 | 2156 | s = SvPV_force(sv, PL_na); |
bbce6d69 | 2157 | if (*s) { |
533c011a | 2158 | if (PL_op->op_private & OPpLOCALE) { |
bbce6d69 | 2159 | TAINT; |
2160 | SvTAINTED_on(sv); | |
2161 | *s = toLOWER_LC(*s); | |
2162 | } | |
2163 | else | |
2164 | *s = toLOWER(*s); | |
2165 | } | |
79072805 LW |
2166 | |
2167 | SETs(sv); | |
2168 | RETURN; | |
2169 | } | |
2170 | ||
2171 | PP(pp_uc) | |
2172 | { | |
4e35701f | 2173 | djSP; |
79072805 LW |
2174 | SV *sv = TOPs; |
2175 | register char *s; | |
463ee0b2 | 2176 | STRLEN len; |
79072805 | 2177 | |
ed6116ce | 2178 | if (!SvPADTMP(sv)) { |
79072805 LW |
2179 | dTARGET; |
2180 | sv_setsv(TARG, sv); | |
2181 | sv = TARG; | |
2182 | SETs(sv); | |
2183 | } | |
bbce6d69 | 2184 | |
a0d0e21e | 2185 | s = SvPV_force(sv, len); |
bbce6d69 | 2186 | if (len) { |
2187 | register char *send = s + len; | |
2188 | ||
533c011a | 2189 | if (PL_op->op_private & OPpLOCALE) { |
bbce6d69 | 2190 | TAINT; |
2191 | SvTAINTED_on(sv); | |
2192 | for (; s < send; s++) | |
2193 | *s = toUPPER_LC(*s); | |
2194 | } | |
2195 | else { | |
2196 | for (; s < send; s++) | |
2197 | *s = toUPPER(*s); | |
2198 | } | |
79072805 LW |
2199 | } |
2200 | RETURN; | |
2201 | } | |
2202 | ||
2203 | PP(pp_lc) | |
2204 | { | |
4e35701f | 2205 | djSP; |
79072805 LW |
2206 | SV *sv = TOPs; |
2207 | register char *s; | |
463ee0b2 | 2208 | STRLEN len; |
79072805 | 2209 | |
ed6116ce | 2210 | if (!SvPADTMP(sv)) { |
79072805 LW |
2211 | dTARGET; |
2212 | sv_setsv(TARG, sv); | |
2213 | sv = TARG; | |
2214 | SETs(sv); | |
2215 | } | |
bbce6d69 | 2216 | |
a0d0e21e | 2217 | s = SvPV_force(sv, len); |
bbce6d69 | 2218 | if (len) { |
2219 | register char *send = s + len; | |
2220 | ||
533c011a | 2221 | if (PL_op->op_private & OPpLOCALE) { |
bbce6d69 | 2222 | TAINT; |
2223 | SvTAINTED_on(sv); | |
2224 | for (; s < send; s++) | |
2225 | *s = toLOWER_LC(*s); | |
2226 | } | |
2227 | else { | |
2228 | for (; s < send; s++) | |
2229 | *s = toLOWER(*s); | |
2230 | } | |
79072805 LW |
2231 | } |
2232 | RETURN; | |
2233 | } | |
2234 | ||
a0d0e21e | 2235 | PP(pp_quotemeta) |
79072805 | 2236 | { |
4e35701f | 2237 | djSP; dTARGET; |
a0d0e21e LW |
2238 | SV *sv = TOPs; |
2239 | STRLEN len; | |
2240 | register char *s = SvPV(sv,len); | |
2241 | register char *d; | |
79072805 | 2242 | |
a0d0e21e LW |
2243 | if (len) { |
2244 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 2245 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e LW |
2246 | d = SvPVX(TARG); |
2247 | while (len--) { | |
2248 | if (!isALNUM(*s)) | |
2249 | *d++ = '\\'; | |
2250 | *d++ = *s++; | |
79072805 | 2251 | } |
a0d0e21e LW |
2252 | *d = '\0'; |
2253 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
2254 | (void)SvPOK_only(TARG); | |
79072805 | 2255 | } |
a0d0e21e LW |
2256 | else |
2257 | sv_setpvn(TARG, s, len); | |
2258 | SETs(TARG); | |
79072805 LW |
2259 | RETURN; |
2260 | } | |
2261 | ||
a0d0e21e | 2262 | /* Arrays. */ |
79072805 | 2263 | |
a0d0e21e | 2264 | PP(pp_aslice) |
79072805 | 2265 | { |
4e35701f | 2266 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2267 | register SV** svp; |
2268 | register AV* av = (AV*)POPs; | |
533c011a | 2269 | register I32 lval = PL_op->op_flags & OPf_MOD; |
3280af22 | 2270 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 2271 | I32 elem; |
79072805 | 2272 | |
a0d0e21e | 2273 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 2274 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 2275 | I32 max = -1; |
924508f0 | 2276 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
2277 | elem = SvIVx(*svp); |
2278 | if (elem > max) | |
2279 | max = elem; | |
2280 | } | |
2281 | if (max > AvMAX(av)) | |
2282 | av_extend(av, max); | |
2283 | } | |
a0d0e21e | 2284 | while (++MARK <= SP) { |
748a9306 | 2285 | elem = SvIVx(*MARK); |
a0d0e21e | 2286 | |
748a9306 LW |
2287 | if (elem > 0) |
2288 | elem -= arybase; | |
a0d0e21e LW |
2289 | svp = av_fetch(av, elem, lval); |
2290 | if (lval) { | |
3280af22 | 2291 | if (!svp || *svp == &PL_sv_undef) |
a0d0e21e | 2292 | DIE(no_aelem, elem); |
533c011a | 2293 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 2294 | save_aelem(av, elem, svp); |
79072805 | 2295 | } |
3280af22 | 2296 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2297 | } |
2298 | } | |
748a9306 | 2299 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
2300 | MARK = ORIGMARK; |
2301 | *++MARK = *SP; | |
2302 | SP = MARK; | |
2303 | } | |
79072805 LW |
2304 | RETURN; |
2305 | } | |
2306 | ||
2307 | /* Associative arrays. */ | |
2308 | ||
2309 | PP(pp_each) | |
2310 | { | |
4e35701f | 2311 | djSP; dTARGET; |
79072805 | 2312 | HV *hash = (HV*)POPs; |
c07a80fd | 2313 | HE *entry; |
54310121 | 2314 | I32 gimme = GIMME_V; |
c750a3ec | 2315 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 2316 | |
c07a80fd | 2317 | PUTBACK; |
c750a3ec MB |
2318 | /* might clobber stack_sp */ |
2319 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 2320 | SPAGAIN; |
79072805 | 2321 | |
79072805 LW |
2322 | EXTEND(SP, 2); |
2323 | if (entry) { | |
54310121 | 2324 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
2325 | if (gimme == G_ARRAY) { | |
c07a80fd | 2326 | PUTBACK; |
c750a3ec MB |
2327 | /* might clobber stack_sp */ |
2328 | sv_setsv(TARG, realhv ? | |
2329 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry)); | |
c07a80fd | 2330 | SPAGAIN; |
8990e307 | 2331 | PUSHs(TARG); |
79072805 | 2332 | } |
79072805 | 2333 | } |
54310121 | 2334 | else if (gimme == G_SCALAR) |
79072805 LW |
2335 | RETPUSHUNDEF; |
2336 | ||
2337 | RETURN; | |
2338 | } | |
2339 | ||
2340 | PP(pp_values) | |
2341 | { | |
2342 | return do_kv(ARGS); | |
2343 | } | |
2344 | ||
2345 | PP(pp_keys) | |
2346 | { | |
2347 | return do_kv(ARGS); | |
2348 | } | |
2349 | ||
2350 | PP(pp_delete) | |
2351 | { | |
4e35701f | 2352 | djSP; |
54310121 | 2353 | I32 gimme = GIMME_V; |
2354 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 2355 | SV *sv; |
5f05dabc | 2356 | HV *hv; |
2357 | ||
533c011a | 2358 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 2359 | dMARK; dORIGMARK; |
97fcbf96 | 2360 | U32 hvtype; |
5f05dabc | 2361 | hv = (HV*)POPs; |
97fcbf96 | 2362 | hvtype = SvTYPE(hv); |
5f05dabc | 2363 | while (++MARK <= SP) { |
ae77835f MB |
2364 | if (hvtype == SVt_PVHV) |
2365 | sv = hv_delete_ent(hv, *MARK, discard, 0); | |
ae77835f MB |
2366 | else |
2367 | DIE("Not a HASH reference"); | |
3280af22 | 2368 | *MARK = sv ? sv : &PL_sv_undef; |
5f05dabc | 2369 | } |
54310121 | 2370 | if (discard) |
2371 | SP = ORIGMARK; | |
2372 | else if (gimme == G_SCALAR) { | |
5f05dabc | 2373 | MARK = ORIGMARK; |
2374 | *++MARK = *SP; | |
2375 | SP = MARK; | |
2376 | } | |
2377 | } | |
2378 | else { | |
2379 | SV *keysv = POPs; | |
2380 | hv = (HV*)POPs; | |
97fcbf96 MB |
2381 | if (SvTYPE(hv) == SVt_PVHV) |
2382 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
97fcbf96 | 2383 | else |
5f05dabc | 2384 | DIE("Not a HASH reference"); |
5f05dabc | 2385 | if (!sv) |
3280af22 | 2386 | sv = &PL_sv_undef; |
54310121 | 2387 | if (!discard) |
2388 | PUSHs(sv); | |
79072805 | 2389 | } |
79072805 LW |
2390 | RETURN; |
2391 | } | |
2392 | ||
a0d0e21e | 2393 | PP(pp_exists) |
79072805 | 2394 | { |
4e35701f | 2395 | djSP; |
a0d0e21e LW |
2396 | SV *tmpsv = POPs; |
2397 | HV *hv = (HV*)POPs; | |
c750a3ec | 2398 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 2399 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec MB |
2400 | RETPUSHYES; |
2401 | } else if (SvTYPE(hv) == SVt_PVAV) { | |
ae77835f | 2402 | if (avhv_exists_ent((AV*)hv, tmpsv, 0)) |
c750a3ec MB |
2403 | RETPUSHYES; |
2404 | } else { | |
a0d0e21e LW |
2405 | DIE("Not a HASH reference"); |
2406 | } | |
a0d0e21e LW |
2407 | RETPUSHNO; |
2408 | } | |
79072805 | 2409 | |
a0d0e21e LW |
2410 | PP(pp_hslice) |
2411 | { | |
4e35701f | 2412 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2413 | register HV *hv = (HV*)POPs; |
533c011a | 2414 | register I32 lval = PL_op->op_flags & OPf_MOD; |
c750a3ec | 2415 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 2416 | |
0ebe0038 SM |
2417 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
2418 | DIE("Can't localize pseudo-hash element"); | |
2419 | ||
c750a3ec | 2420 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 2421 | while (++MARK <= SP) { |
f12c7020 | 2422 | SV *keysv = *MARK; |
ae77835f MB |
2423 | SV **svp; |
2424 | if (realhv) { | |
800e9ae0 | 2425 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
ae77835f MB |
2426 | svp = he ? &HeVAL(he) : 0; |
2427 | } else { | |
97fcbf96 | 2428 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 2429 | } |
a0d0e21e | 2430 | if (lval) { |
3280af22 NIS |
2431 | if (!svp || *svp == &PL_sv_undef) |
2432 | DIE(no_helem, SvPV(keysv, PL_na)); | |
533c011a | 2433 | if (PL_op->op_private & OPpLVAL_INTRO) |
800e9ae0 | 2434 | save_helem(hv, keysv, svp); |
93a17b20 | 2435 | } |
3280af22 | 2436 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2437 | } |
2438 | } | |
a0d0e21e LW |
2439 | if (GIMME != G_ARRAY) { |
2440 | MARK = ORIGMARK; | |
2441 | *++MARK = *SP; | |
2442 | SP = MARK; | |
79072805 | 2443 | } |
a0d0e21e LW |
2444 | RETURN; |
2445 | } | |
2446 | ||
2447 | /* List operators. */ | |
2448 | ||
2449 | PP(pp_list) | |
2450 | { | |
4e35701f | 2451 | djSP; dMARK; |
a0d0e21e LW |
2452 | if (GIMME != G_ARRAY) { |
2453 | if (++MARK <= SP) | |
2454 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 2455 | else |
3280af22 | 2456 | *MARK = &PL_sv_undef; |
a0d0e21e | 2457 | SP = MARK; |
79072805 | 2458 | } |
a0d0e21e | 2459 | RETURN; |
79072805 LW |
2460 | } |
2461 | ||
a0d0e21e | 2462 | PP(pp_lslice) |
79072805 | 2463 | { |
4e35701f | 2464 | djSP; |
3280af22 NIS |
2465 | SV **lastrelem = PL_stack_sp; |
2466 | SV **lastlelem = PL_stack_base + POPMARK; | |
2467 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
a0d0e21e | 2468 | register SV **firstrelem = lastlelem + 1; |
3280af22 | 2469 | I32 arybase = PL_curcop->cop_arybase; |
533c011a | 2470 | I32 lval = PL_op->op_flags & OPf_MOD; |
4633a7c4 | 2471 | I32 is_something_there = lval; |
79072805 | 2472 | |
a0d0e21e LW |
2473 | register I32 max = lastrelem - lastlelem; |
2474 | register SV **lelem; | |
2475 | register I32 ix; | |
2476 | ||
2477 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
2478 | ix = SvIVx(*lastlelem); |
2479 | if (ix < 0) | |
2480 | ix += max; | |
2481 | else | |
2482 | ix -= arybase; | |
a0d0e21e | 2483 | if (ix < 0 || ix >= max) |
3280af22 | 2484 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
2485 | else |
2486 | *firstlelem = firstrelem[ix]; | |
2487 | SP = firstlelem; | |
2488 | RETURN; | |
2489 | } | |
2490 | ||
2491 | if (max == 0) { | |
2492 | SP = firstlelem - 1; | |
2493 | RETURN; | |
2494 | } | |
2495 | ||
2496 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 2497 | ix = SvIVx(*lelem); |
a0d0e21e LW |
2498 | if (ix < 0) { |
2499 | ix += max; | |
2500 | if (ix < 0) | |
3280af22 | 2501 | *lelem = &PL_sv_undef; |
a0d0e21e | 2502 | else if (!(*lelem = firstrelem[ix])) |
3280af22 | 2503 | *lelem = &PL_sv_undef; |
79072805 | 2504 | } |
748a9306 LW |
2505 | else { |
2506 | ix -= arybase; | |
2507 | if (ix >= max || !(*lelem = firstrelem[ix])) | |
3280af22 | 2508 | *lelem = &PL_sv_undef; |
748a9306 | 2509 | } |
ff0cee69 | 2510 | if (!is_something_there && (SvOK(*lelem) || SvGMAGICAL(*lelem))) |
4633a7c4 | 2511 | is_something_there = TRUE; |
79072805 | 2512 | } |
4633a7c4 LW |
2513 | if (is_something_there) |
2514 | SP = lastlelem; | |
2515 | else | |
2516 | SP = firstlelem - 1; | |
79072805 LW |
2517 | RETURN; |
2518 | } | |
2519 | ||
a0d0e21e LW |
2520 | PP(pp_anonlist) |
2521 | { | |
4e35701f | 2522 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2523 | I32 items = SP - MARK; |
44a8e56a | 2524 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
2525 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
2526 | XPUSHs(av); | |
a0d0e21e LW |
2527 | RETURN; |
2528 | } | |
2529 | ||
2530 | PP(pp_anonhash) | |
79072805 | 2531 | { |
4e35701f | 2532 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2533 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2534 | ||
2535 | while (MARK < SP) { | |
2536 | SV* key = *++MARK; | |
a0d0e21e LW |
2537 | SV *val = NEWSV(46, 0); |
2538 | if (MARK < SP) | |
2539 | sv_setsv(val, *++MARK); | |
3280af22 | 2540 | else if (PL_dowarn) |
1930e939 | 2541 | warn("Odd number of elements in hash assignment"); |
f12c7020 | 2542 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 2543 | } |
a0d0e21e LW |
2544 | SP = ORIGMARK; |
2545 | XPUSHs((SV*)hv); | |
79072805 LW |
2546 | RETURN; |
2547 | } | |
2548 | ||
a0d0e21e | 2549 | PP(pp_splice) |
79072805 | 2550 | { |
4e35701f | 2551 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2552 | register AV *ary = (AV*)*++MARK; |
2553 | register SV **src; | |
2554 | register SV **dst; | |
2555 | register I32 i; | |
2556 | register I32 offset; | |
2557 | register I32 length; | |
2558 | I32 newlen; | |
2559 | I32 after; | |
2560 | I32 diff; | |
2561 | SV **tmparyval = 0; | |
93965878 NIS |
2562 | MAGIC *mg; |
2563 | ||
2564 | if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) { | |
2565 | *MARK-- = mg->mg_obj; | |
2566 | PUSHMARK(MARK); | |
8ec5e241 | 2567 | PUTBACK; |
a60c0954 | 2568 | ENTER; |
93965878 | 2569 | perl_call_method("SPLICE",GIMME_V); |
a60c0954 | 2570 | LEAVE; |
93965878 NIS |
2571 | SPAGAIN; |
2572 | RETURN; | |
2573 | } | |
79072805 | 2574 | |
a0d0e21e | 2575 | SP++; |
79072805 | 2576 | |
a0d0e21e | 2577 | if (++MARK < SP) { |
84902520 | 2578 | offset = i = SvIVx(*MARK); |
a0d0e21e | 2579 | if (offset < 0) |
93965878 | 2580 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 2581 | else |
3280af22 | 2582 | offset -= PL_curcop->cop_arybase; |
84902520 TB |
2583 | if (offset < 0) |
2584 | DIE(no_aelem, i); | |
a0d0e21e LW |
2585 | if (++MARK < SP) { |
2586 | length = SvIVx(*MARK++); | |
48cdf507 GA |
2587 | if (length < 0) { |
2588 | length += AvFILLp(ary) - offset + 1; | |
2589 | if (length < 0) | |
2590 | length = 0; | |
2591 | } | |
79072805 LW |
2592 | } |
2593 | else | |
a0d0e21e | 2594 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 2595 | } |
a0d0e21e LW |
2596 | else { |
2597 | offset = 0; | |
2598 | length = AvMAX(ary) + 1; | |
2599 | } | |
93965878 NIS |
2600 | if (offset > AvFILLp(ary) + 1) |
2601 | offset = AvFILLp(ary) + 1; | |
2602 | after = AvFILLp(ary) + 1 - (offset + length); | |
a0d0e21e LW |
2603 | if (after < 0) { /* not that much array */ |
2604 | length += after; /* offset+length now in array */ | |
2605 | after = 0; | |
2606 | if (!AvALLOC(ary)) | |
2607 | av_extend(ary, 0); | |
2608 | } | |
2609 | ||
2610 | /* At this point, MARK .. SP-1 is our new LIST */ | |
2611 | ||
2612 | newlen = SP - MARK; | |
2613 | diff = newlen - length; | |
fb73857a | 2614 | if (newlen && !AvREAL(ary)) { |
2615 | if (AvREIFY(ary)) | |
2616 | av_reify(ary); | |
2617 | else | |
2618 | assert(AvREAL(ary)); /* would leak, so croak */ | |
2619 | } | |
a0d0e21e LW |
2620 | |
2621 | if (diff < 0) { /* shrinking the area */ | |
2622 | if (newlen) { | |
2623 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
2624 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 2625 | } |
a0d0e21e LW |
2626 | |
2627 | MARK = ORIGMARK + 1; | |
2628 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2629 | MEXTEND(MARK, length); | |
2630 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
2631 | if (AvREAL(ary)) { | |
bbce6d69 | 2632 | EXTEND_MORTAL(length); |
36477c24 | 2633 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 2634 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 2635 | dst++; |
2636 | } | |
a0d0e21e LW |
2637 | } |
2638 | MARK += length - 1; | |
79072805 | 2639 | } |
a0d0e21e LW |
2640 | else { |
2641 | *MARK = AvARRAY(ary)[offset+length-1]; | |
2642 | if (AvREAL(ary)) { | |
d689ffdd | 2643 | sv_2mortal(*MARK); |
a0d0e21e LW |
2644 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2645 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 2646 | } |
a0d0e21e | 2647 | } |
93965878 | 2648 | AvFILLp(ary) += diff; |
a0d0e21e LW |
2649 | |
2650 | /* pull up or down? */ | |
2651 | ||
2652 | if (offset < after) { /* easier to pull up */ | |
2653 | if (offset) { /* esp. if nothing to pull */ | |
2654 | src = &AvARRAY(ary)[offset-1]; | |
2655 | dst = src - diff; /* diff is negative */ | |
2656 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
2657 | *dst-- = *src--; | |
79072805 | 2658 | } |
a0d0e21e LW |
2659 | dst = AvARRAY(ary); |
2660 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
2661 | AvMAX(ary) += diff; | |
2662 | } | |
2663 | else { | |
2664 | if (after) { /* anything to pull down? */ | |
2665 | src = AvARRAY(ary) + offset + length; | |
2666 | dst = src + diff; /* diff is negative */ | |
2667 | Move(src, dst, after, SV*); | |
79072805 | 2668 | } |
93965878 | 2669 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
2670 | /* avoid later double free */ |
2671 | } | |
2672 | i = -diff; | |
2673 | while (i) | |
3280af22 | 2674 | dst[--i] = &PL_sv_undef; |
a0d0e21e LW |
2675 | |
2676 | if (newlen) { | |
2677 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
2678 | newlen; newlen--) { | |
2679 | *dst = NEWSV(46, 0); | |
2680 | sv_setsv(*dst++, *src++); | |
79072805 | 2681 | } |
a0d0e21e LW |
2682 | Safefree(tmparyval); |
2683 | } | |
2684 | } | |
2685 | else { /* no, expanding (or same) */ | |
2686 | if (length) { | |
2687 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
2688 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
2689 | } | |
2690 | ||
2691 | if (diff > 0) { /* expanding */ | |
2692 | ||
2693 | /* push up or down? */ | |
2694 | ||
2695 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
2696 | if (offset) { | |
2697 | src = AvARRAY(ary); | |
2698 | dst = src - diff; | |
2699 | Move(src, dst, offset, SV*); | |
79072805 | 2700 | } |
a0d0e21e LW |
2701 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2702 | AvMAX(ary) += diff; | |
93965878 | 2703 | AvFILLp(ary) += diff; |
79072805 LW |
2704 | } |
2705 | else { | |
93965878 NIS |
2706 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2707 | av_extend(ary, AvFILLp(ary) + diff); | |
2708 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
2709 | |
2710 | if (after) { | |
93965878 | 2711 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
2712 | src = dst - diff; |
2713 | for (i = after; i; i--) { | |
2714 | *dst-- = *src--; | |
2715 | } | |
79072805 LW |
2716 | } |
2717 | } | |
a0d0e21e LW |
2718 | } |
2719 | ||
2720 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
2721 | *dst = NEWSV(46, 0); | |
2722 | sv_setsv(*dst++, *src++); | |
2723 | } | |
2724 | MARK = ORIGMARK + 1; | |
2725 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2726 | if (length) { | |
2727 | Copy(tmparyval, MARK, length, SV*); | |
2728 | if (AvREAL(ary)) { | |
bbce6d69 | 2729 | EXTEND_MORTAL(length); |
36477c24 | 2730 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 2731 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 2732 | dst++; |
2733 | } | |
79072805 | 2734 | } |
a0d0e21e | 2735 | Safefree(tmparyval); |
79072805 | 2736 | } |
a0d0e21e LW |
2737 | MARK += length - 1; |
2738 | } | |
2739 | else if (length--) { | |
2740 | *MARK = tmparyval[length]; | |
2741 | if (AvREAL(ary)) { | |
d689ffdd | 2742 | sv_2mortal(*MARK); |
a0d0e21e LW |
2743 | while (length-- > 0) |
2744 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 2745 | } |
a0d0e21e | 2746 | Safefree(tmparyval); |
79072805 | 2747 | } |
a0d0e21e | 2748 | else |
3280af22 | 2749 | *MARK = &PL_sv_undef; |
79072805 | 2750 | } |
a0d0e21e | 2751 | SP = MARK; |
79072805 LW |
2752 | RETURN; |
2753 | } | |
2754 | ||
a0d0e21e | 2755 | PP(pp_push) |
79072805 | 2756 | { |
4e35701f | 2757 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 2758 | register AV *ary = (AV*)*++MARK; |
3280af22 | 2759 | register SV *sv = &PL_sv_undef; |
93965878 | 2760 | MAGIC *mg; |
79072805 | 2761 | |
93965878 NIS |
2762 | if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) { |
2763 | *MARK-- = mg->mg_obj; | |
2764 | PUSHMARK(MARK); | |
2765 | PUTBACK; | |
a60c0954 NIS |
2766 | ENTER; |
2767 | perl_call_method("PUSH",G_SCALAR|G_DISCARD); | |
2768 | LEAVE; | |
93965878 | 2769 | SPAGAIN; |
93965878 | 2770 | } |
a60c0954 NIS |
2771 | else { |
2772 | /* Why no pre-extend of ary here ? */ | |
2773 | for (++MARK; MARK <= SP; MARK++) { | |
2774 | sv = NEWSV(51, 0); | |
2775 | if (*MARK) | |
2776 | sv_setsv(sv, *MARK); | |
2777 | av_push(ary, sv); | |
2778 | } | |
79072805 LW |
2779 | } |
2780 | SP = ORIGMARK; | |
a0d0e21e | 2781 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
2782 | RETURN; |
2783 | } | |
2784 | ||
a0d0e21e | 2785 | PP(pp_pop) |
79072805 | 2786 | { |
4e35701f | 2787 | djSP; |
a0d0e21e LW |
2788 | AV *av = (AV*)POPs; |
2789 | SV *sv = av_pop(av); | |
d689ffdd | 2790 | if (AvREAL(av)) |
a0d0e21e LW |
2791 | (void)sv_2mortal(sv); |
2792 | PUSHs(sv); | |
79072805 | 2793 | RETURN; |
79072805 LW |
2794 | } |
2795 | ||
a0d0e21e | 2796 | PP(pp_shift) |
79072805 | 2797 | { |
4e35701f | 2798 | djSP; |
a0d0e21e LW |
2799 | AV *av = (AV*)POPs; |
2800 | SV *sv = av_shift(av); | |
79072805 | 2801 | EXTEND(SP, 1); |
a0d0e21e | 2802 | if (!sv) |
79072805 | 2803 | RETPUSHUNDEF; |
d689ffdd | 2804 | if (AvREAL(av)) |
a0d0e21e LW |
2805 | (void)sv_2mortal(sv); |
2806 | PUSHs(sv); | |
79072805 | 2807 | RETURN; |
79072805 LW |
2808 | } |
2809 | ||
a0d0e21e | 2810 | PP(pp_unshift) |
79072805 | 2811 | { |
4e35701f | 2812 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
2813 | register AV *ary = (AV*)*++MARK; |
2814 | register SV *sv; | |
2815 | register I32 i = 0; | |
93965878 NIS |
2816 | MAGIC *mg; |
2817 | ||
8ec5e241 | 2818 | if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) { |
93965878 | 2819 | *MARK-- = mg->mg_obj; |
7fd66d9d | 2820 | PUSHMARK(MARK); |
93965878 | 2821 | PUTBACK; |
a60c0954 NIS |
2822 | ENTER; |
2823 | perl_call_method("UNSHIFT",G_SCALAR|G_DISCARD); | |
2824 | LEAVE; | |
93965878 | 2825 | SPAGAIN; |
93965878 | 2826 | } |
a60c0954 NIS |
2827 | else { |
2828 | av_unshift(ary, SP - MARK); | |
2829 | while (MARK < SP) { | |
2830 | sv = NEWSV(27, 0); | |
2831 | sv_setsv(sv, *++MARK); | |
2832 | (void)av_store(ary, i++, sv); | |
2833 | } | |
79072805 | 2834 | } |
a0d0e21e LW |
2835 | SP = ORIGMARK; |
2836 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 2837 | RETURN; |
79072805 LW |
2838 | } |
2839 | ||
a0d0e21e | 2840 | PP(pp_reverse) |
79072805 | 2841 | { |
4e35701f | 2842 | djSP; dMARK; |
a0d0e21e LW |
2843 | register SV *tmp; |
2844 | SV **oldsp = SP; | |
79072805 | 2845 | |
a0d0e21e LW |
2846 | if (GIMME == G_ARRAY) { |
2847 | MARK++; | |
2848 | while (MARK < SP) { | |
2849 | tmp = *MARK; | |
2850 | *MARK++ = *SP; | |
2851 | *SP-- = tmp; | |
2852 | } | |
2853 | SP = oldsp; | |
79072805 LW |
2854 | } |
2855 | else { | |
a0d0e21e LW |
2856 | register char *up; |
2857 | register char *down; | |
2858 | register I32 tmp; | |
2859 | dTARGET; | |
2860 | STRLEN len; | |
79072805 | 2861 | |
a0d0e21e | 2862 | if (SP - MARK > 1) |
3280af22 | 2863 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 2864 | else |
54b9620d | 2865 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
2866 | up = SvPV_force(TARG, len); |
2867 | if (len > 1) { | |
2868 | down = SvPVX(TARG) + len - 1; | |
2869 | while (down > up) { | |
2870 | tmp = *up; | |
2871 | *up++ = *down; | |
2872 | *down-- = tmp; | |
2873 | } | |
2874 | (void)SvPOK_only(TARG); | |
79072805 | 2875 | } |
a0d0e21e LW |
2876 | SP = MARK + 1; |
2877 | SETTARG; | |
79072805 | 2878 | } |
a0d0e21e | 2879 | RETURN; |
79072805 LW |
2880 | } |
2881 | ||
76e3520e | 2882 | STATIC SV * |
8ac85365 | 2883 | mul128(SV *sv, U8 m) |
55497cff | 2884 | { |
2885 | STRLEN len; | |
2886 | char *s = SvPV(sv, len); | |
2887 | char *t; | |
2888 | U32 i = 0; | |
2889 | ||
2890 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ | |
09b7f37c | 2891 | SV *tmpNew = newSVpv("0000000000", 10); |
55497cff | 2892 | |
09b7f37c | 2893 | sv_catsv(tmpNew, sv); |
55497cff | 2894 | SvREFCNT_dec(sv); /* free old sv */ |
09b7f37c | 2895 | sv = tmpNew; |
55497cff | 2896 | s = SvPV(sv, len); |
2897 | } | |
2898 | t = s + len - 1; | |
2899 | while (!*t) /* trailing '\0'? */ | |
2900 | t--; | |
2901 | while (t > s) { | |
2902 | i = ((*t - '0') << 7) + m; | |
2903 | *(t--) = '0' + (i % 10); | |
2904 | m = i / 10; | |
2905 | } | |
2906 | return (sv); | |
2907 | } | |
2908 | ||
a0d0e21e LW |
2909 | /* Explosives and implosives. */ |
2910 | ||
9d116dd7 JH |
2911 | static const char uuemap[] = |
2912 | "`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"; | |
2913 | static char uudmap[256]; /* Initialised on first use */ | |
2914 | #if 'I' == 73 && 'J' == 74 | |
2915 | /* On an ASCII/ISO kind of system */ | |
2916 | #define ISUUCHAR(ch) ((ch) > ' ' && (ch) < 'a') | |
2917 | #else | |
2918 | /* | |
2919 | Some other sort of character set - use memchr() so we don't match | |
2920 | the null byte. | |
2921 | */ | |
2922 | #define ISUUCHAR(ch) (memchr(uuemap, (ch), sizeof(uuemap)-1)) | |
2923 | #endif | |
2924 | ||
a0d0e21e | 2925 | PP(pp_unpack) |
79072805 | 2926 | { |
4e35701f | 2927 | djSP; |
a0d0e21e | 2928 | dPOPPOPssrl; |
924508f0 | 2929 | SV **oldsp = SP; |
54310121 | 2930 | I32 gimme = GIMME_V; |
ed6116ce | 2931 | SV *sv; |
a0d0e21e LW |
2932 | STRLEN llen; |
2933 | STRLEN rlen; | |
2934 | register char *pat = SvPV(left, llen); | |
2935 | register char *s = SvPV(right, rlen); | |
2936 | char *strend = s + rlen; | |
2937 | char *strbeg = s; | |
2938 | register char *patend = pat + llen; | |
2939 | I32 datumtype; | |
2940 | register I32 len; | |
2941 | register I32 bits; | |
79072805 | 2942 | |
a0d0e21e LW |
2943 | /* These must not be in registers: */ |
2944 | I16 ashort; | |
2945 | int aint; | |
2946 | I32 along; | |
ecfc5424 AD |
2947 | #ifdef HAS_QUAD |
2948 | Quad_t aquad; | |
a0d0e21e LW |
2949 | #endif |
2950 | U16 aushort; | |
2951 | unsigned int auint; | |
2952 | U32 aulong; | |
ecfc5424 AD |
2953 | #ifdef HAS_QUAD |
2954 | unsigned Quad_t auquad; | |
a0d0e21e LW |
2955 | #endif |
2956 | char *aptr; | |
2957 | float afloat; | |
2958 | double adouble; | |
2959 | I32 checksum = 0; | |
2960 | register U32 culong; | |
2961 | double cdouble; | |
2962 | static char* bitcount = 0; | |
fb73857a | 2963 | int commas = 0; |
79072805 | 2964 | |
54310121 | 2965 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
a0d0e21e LW |
2966 | /*SUPPRESS 530*/ |
2967 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
748a9306 | 2968 | if (strchr("aAbBhHP", *patend) || *pat == '%') { |
a0d0e21e LW |
2969 | patend++; |
2970 | while (isDIGIT(*patend) || *patend == '*') | |
2971 | patend++; | |
2972 | } | |
2973 | else | |
2974 | patend++; | |
79072805 | 2975 | } |
a0d0e21e LW |
2976 | while (pat < patend) { |
2977 | reparse: | |
bbdab043 CS |
2978 | datumtype = *pat++ & 0xFF; |
2979 | if (isSPACE(datumtype)) | |
2980 | continue; | |
a0d0e21e LW |
2981 | if (pat >= patend) |
2982 | len = 1; | |
2983 | else if (*pat == '*') { | |
2984 | len = strend - strbeg; /* long enough */ | |
2985 | pat++; | |
2986 | } | |
2987 | else if (isDIGIT(*pat)) { | |
2988 | len = *pat++ - '0'; | |
2989 | while (isDIGIT(*pat)) | |
2990 | len = (len * 10) + (*pat++ - '0'); | |
2991 | } | |
2992 | else | |
2993 | len = (datumtype != '@'); | |
2994 | switch(datumtype) { | |
2995 | default: | |
bbdab043 | 2996 | croak("Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 2997 | case ',': /* grandfather in commas but with a warning */ |
3280af22 | 2998 | if (commas++ == 0 && PL_dowarn) |
fb73857a | 2999 | warn("Invalid type in unpack: '%c'", (int)datumtype); |
3000 | break; | |
a0d0e21e LW |
3001 | case '%': |
3002 | if (len == 1 && pat[-1] != '1') | |
3003 | len = 16; | |
3004 | checksum = len; | |
3005 | culong = 0; | |
3006 | cdouble = 0; | |
3007 | if (pat < patend) | |
3008 | goto reparse; | |
3009 | break; | |
3010 | case '@': | |
3011 | if (len > strend - strbeg) | |
3012 | DIE("@ outside of string"); | |
3013 | s = strbeg + len; | |
3014 | break; | |
3015 | case 'X': | |
3016 | if (len > s - strbeg) | |
3017 | DIE("X outside of string"); | |
3018 | s -= len; | |
3019 | break; | |
3020 | case 'x': | |
3021 | if (len > strend - s) | |
3022 | DIE("x outside of string"); | |
3023 | s += len; | |
3024 | break; | |
3025 | case 'A': | |
3026 | case 'a': | |
3027 | if (len > strend - s) | |
3028 | len = strend - s; | |
3029 | if (checksum) | |
3030 | goto uchar_checksum; | |
3031 | sv = NEWSV(35, len); | |
3032 | sv_setpvn(sv, s, len); | |
3033 | s += len; | |
3034 | if (datumtype == 'A') { | |
3035 | aptr = s; /* borrow register */ | |
3036 | s = SvPVX(sv) + len - 1; | |
3037 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) | |
3038 | s--; | |
3039 | *++s = '\0'; | |
3040 | SvCUR_set(sv, s - SvPVX(sv)); | |
3041 | s = aptr; /* unborrow register */ | |
3042 | } | |
3043 | XPUSHs(sv_2mortal(sv)); | |
3044 | break; | |
3045 | case 'B': | |
3046 | case 'b': | |
3047 | if (pat[-1] == '*' || len > (strend - s) * 8) | |
3048 | len = (strend - s) * 8; | |
3049 | if (checksum) { | |
3050 | if (!bitcount) { | |
3051 | Newz(601, bitcount, 256, char); | |
3052 | for (bits = 1; bits < 256; bits++) { | |
3053 | if (bits & 1) bitcount[bits]++; | |
3054 | if (bits & 2) bitcount[bits]++; | |
3055 | if (bits & 4) bitcount[bits]++; | |
3056 | if (bits & 8) bitcount[bits]++; | |
3057 | if (bits & 16) bitcount[bits]++; | |
3058 | if (bits & 32) bitcount[bits]++; | |
3059 | if (bits & 64) bitcount[bits]++; | |
3060 | if (bits & 128) bitcount[bits]++; | |
3061 | } | |
3062 | } | |
3063 | while (len >= 8) { | |
3064 | culong += bitcount[*(unsigned char*)s++]; | |
3065 | len -= 8; | |
3066 | } | |
3067 | if (len) { | |
3068 | bits = *s; | |
3069 | if (datumtype == 'b') { | |
3070 | while (len-- > 0) { | |
3071 | if (bits & 1) culong++; | |
3072 | bits >>= 1; | |
3073 | } | |
3074 | } | |
3075 | else { | |
3076 | while (len-- > 0) { | |
3077 | if (bits & 128) culong++; | |
3078 | bits <<= 1; | |
3079 | } | |
3080 | } | |
3081 | } | |
79072805 LW |
3082 | break; |
3083 | } | |
a0d0e21e LW |
3084 | sv = NEWSV(35, len + 1); |
3085 | SvCUR_set(sv, len); | |
3086 | SvPOK_on(sv); | |
3087 | aptr = pat; /* borrow register */ | |
3088 | pat = SvPVX(sv); | |
3089 | if (datumtype == 'b') { | |
3090 | aint = len; | |
3091 | for (len = 0; len < aint; len++) { | |
3092 | if (len & 7) /*SUPPRESS 595*/ | |
3093 | bits >>= 1; | |
3094 | else | |
3095 | bits = *s++; | |
3096 | *pat++ = '0' + (bits & 1); | |
3097 | } | |
3098 | } | |
3099 | else { | |
3100 | aint = len; | |
3101 | for (len = 0; len < aint; len++) { | |
3102 | if (len & 7) | |
3103 | bits <<= 1; | |
3104 | else | |
3105 | bits = *s++; | |
3106 | *pat++ = '0' + ((bits & 128) != 0); | |
3107 | } | |
3108 | } | |
3109 | *pat = '\0'; | |
3110 | pat = aptr; /* unborrow register */ | |
3111 | XPUSHs(sv_2mortal(sv)); | |
3112 | break; | |
3113 | case 'H': | |
3114 | case 'h': | |
3115 | if (pat[-1] == '*' || len > (strend - s) * 2) | |
3116 | len = (strend - s) * 2; | |
3117 | sv = NEWSV(35, len + 1); | |
3118 | SvCUR_set(sv, len); | |
3119 | SvPOK_on(sv); | |
3120 | aptr = pat; /* borrow register */ | |
3121 | pat = SvPVX(sv); | |
3122 | if (datumtype == 'h') { | |
3123 | aint = len; | |
3124 | for (len = 0; len < aint; len++) { | |
3125 | if (len & 1) | |
3126 | bits >>= 4; | |
3127 | else | |
3128 | bits = *s++; | |
3280af22 | 3129 | *pat++ = PL_hexdigit[bits & 15]; |
a0d0e21e LW |
3130 | } |
3131 | } | |
3132 | else { | |
3133 | aint = len; | |
3134 | for (len = 0; len < aint; len++) { | |
3135 | if (len & 1) | |
3136 | bits <<= 4; | |
3137 | else | |
3138 | bits = *s++; | |
3280af22 | 3139 | *pat++ = PL_hexdigit[(bits >> 4) & 15]; |
a0d0e21e LW |
3140 | } |
3141 | } | |
3142 | *pat = '\0'; | |
3143 | pat = aptr; /* unborrow register */ | |
3144 | XPUSHs(sv_2mortal(sv)); | |
3145 | break; | |
3146 | case 'c': | |
3147 | if (len > strend - s) | |
3148 | len = strend - s; | |
3149 | if (checksum) { | |
3150 | while (len-- > 0) { | |
3151 | aint = *s++; | |
3152 | if (aint >= 128) /* fake up signed chars */ | |
3153 | aint -= 256; | |
3154 | culong += aint; | |
3155 | } | |
3156 | } | |
3157 | else { | |
3158 | EXTEND(SP, len); | |
bbce6d69 | 3159 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3160 | while (len-- > 0) { |
3161 | aint = *s++; | |
3162 | if (aint >= 128) /* fake up signed chars */ | |
3163 | aint -= 256; | |
3164 | sv = NEWSV(36, 0); | |
1e422769 | 3165 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3166 | PUSHs(sv_2mortal(sv)); |
3167 | } | |
3168 | } | |
3169 | break; | |
3170 | case 'C': | |
3171 | if (len > strend - s) | |
3172 | len = strend - s; | |
3173 | if (checksum) { | |
3174 | uchar_checksum: | |
3175 | while (len-- > 0) { | |
3176 | auint = *s++ & 255; | |
3177 | culong += auint; | |
3178 | } | |
3179 | } | |
3180 | else { | |
3181 | EXTEND(SP, len); | |
bbce6d69 | 3182 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3183 | while (len-- > 0) { |
3184 | auint = *s++ & 255; | |
3185 | sv = NEWSV(37, 0); | |
1e422769 | 3186 | sv_setiv(sv, (IV)auint); |
a0d0e21e LW |
3187 | PUSHs(sv_2mortal(sv)); |
3188 | } | |
3189 | } | |
3190 | break; | |
3191 | case 's': | |
96e4d5b1 | 3192 | along = (strend - s) / SIZE16; |
a0d0e21e LW |
3193 | if (len > along) |
3194 | len = along; | |
3195 | if (checksum) { | |
3196 | while (len-- > 0) { | |
96e4d5b1 | 3197 | COPY16(s, &ashort); |
3198 | s += SIZE16; | |
a0d0e21e LW |
3199 | culong += ashort; |
3200 | } | |
3201 | } | |
3202 | else { | |
3203 | EXTEND(SP, len); | |
bbce6d69 | 3204 | EXTEND_MORTAL(len); |
a0d0e21e | 3205 | while (len-- > 0) { |
96e4d5b1 | 3206 | COPY16(s, &ashort); |
3207 | s += SIZE16; | |
a0d0e21e | 3208 | sv = NEWSV(38, 0); |
1e422769 | 3209 | sv_setiv(sv, (IV)ashort); |
a0d0e21e LW |
3210 | PUSHs(sv_2mortal(sv)); |
3211 | } | |
3212 | } | |
3213 | break; | |
3214 | case 'v': | |
3215 | case 'n': | |
3216 | case 'S': | |
96e4d5b1 | 3217 | along = (strend - s) / SIZE16; |
a0d0e21e LW |
3218 | if (len > along) |
3219 | len = along; | |
3220 | if (checksum) { | |
3221 | while (len-- > 0) { | |
96e4d5b1 | 3222 | COPY16(s, &aushort); |
3223 | s += SIZE16; | |
a0d0e21e LW |
3224 | #ifdef HAS_NTOHS |
3225 | if (datumtype == 'n') | |
6ad3d225 | 3226 | aushort = PerlSock_ntohs(aushort); |
79072805 | 3227 | #endif |
a0d0e21e LW |
3228 | #ifdef HAS_VTOHS |
3229 | if (datumtype == 'v') | |
3230 | aushort = vtohs(aushort); | |
79072805 | 3231 | #endif |
a0d0e21e LW |
3232 | culong += aushort; |
3233 | } | |
3234 | } | |
3235 | else { | |
3236 | EXTEND(SP, len); | |
bbce6d69 | 3237 | EXTEND_MORTAL(len); |
a0d0e21e | 3238 | while (len-- > 0) { |
96e4d5b1 | 3239 | COPY16(s, &aushort); |
3240 | s += SIZE16; | |
a0d0e21e LW |
3241 | sv = NEWSV(39, 0); |
3242 | #ifdef HAS_NTOHS | |
3243 | if (datumtype == 'n') | |
6ad3d225 | 3244 | aushort = PerlSock_ntohs(aushort); |
79072805 | 3245 | #endif |
a0d0e21e LW |
3246 | #ifdef HAS_VTOHS |
3247 | if (datumtype == 'v') | |
3248 | aushort = vtohs(aushort); | |
79072805 | 3249 | #endif |
1e422769 | 3250 | sv_setiv(sv, (IV)aushort); |
a0d0e21e LW |
3251 | PUSHs(sv_2mortal(sv)); |
3252 | } | |
3253 | } | |
3254 | break; | |
3255 | case 'i': | |
3256 | along = (strend - s) / sizeof(int); | |
3257 | if (len > along) | |
3258 | len = along; | |
3259 | if (checksum) { | |
3260 | while (len-- > 0) { | |
3261 | Copy(s, &aint, 1, int); | |
3262 | s += sizeof(int); | |
3263 | if (checksum > 32) | |
3264 | cdouble += (double)aint; | |
3265 | else | |
3266 | culong += aint; | |
3267 | } | |
3268 | } | |
3269 | else { | |
3270 | EXTEND(SP, len); | |
bbce6d69 | 3271 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3272 | while (len-- > 0) { |
3273 | Copy(s, &aint, 1, int); | |
3274 | s += sizeof(int); | |
3275 | sv = NEWSV(40, 0); | |
20408e3c GS |
3276 | #ifdef __osf__ |
3277 | /* Without the dummy below unpack("i", pack("i",-1)) | |
3278 | * return 0xFFffFFff instead of -1 for Digital Unix V4.0 | |
3279 | * cc with optimization turned on */ | |
3280 | (aint) ? | |
3281 | sv_setiv(sv, (IV)aint) : | |
3282 | #endif | |
1e422769 | 3283 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3284 | PUSHs(sv_2mortal(sv)); |
3285 | } | |
3286 | } | |
3287 | break; | |
3288 | case 'I': | |
3289 | along = (strend - s) / sizeof(unsigned int); | |
3290 | if (len > along) | |
3291 | len = along; | |
3292 | if (checksum) { | |
3293 | while (len-- > 0) { | |
3294 | Copy(s, &auint, 1, unsigned int); | |
3295 | s += sizeof(unsigned int); | |
3296 | if (checksum > 32) | |
3297 | cdouble += (double)auint; | |
3298 | else | |
3299 | culong += auint; | |
3300 | } | |
3301 | } | |
3302 | else { | |
3303 | EXTEND(SP, len); | |
bbce6d69 | 3304 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3305 | while (len-- > 0) { |
3306 | Copy(s, &auint, 1, unsigned int); | |
3307 | s += sizeof(unsigned int); | |
3308 | sv = NEWSV(41, 0); | |
1e422769 | 3309 | sv_setuv(sv, (UV)auint); |
a0d0e21e LW |
3310 | PUSHs(sv_2mortal(sv)); |
3311 | } | |
3312 | } | |
3313 | break; | |
3314 | case 'l': | |
96e4d5b1 | 3315 | along = (strend - s) / SIZE32; |
a0d0e21e LW |
3316 | if (len > along) |
3317 | len = along; | |
3318 | if (checksum) { | |
3319 | while (len-- > 0) { | |
96e4d5b1 | 3320 | COPY32(s, &along); |
3321 | s += SIZE32; | |
a0d0e21e LW |
3322 | if (checksum > 32) |
3323 | cdouble += (double)along; | |
3324 | else | |
3325 | culong += along; | |
3326 | } | |
3327 | } | |
3328 | else { | |
3329 | EXTEND(SP, len); | |
bbce6d69 | 3330 | EXTEND_MORTAL(len); |
a0d0e21e | 3331 | while (len-- > 0) { |
96e4d5b1 | 3332 | COPY32(s, &along); |
3333 | s += SIZE32; | |
a0d0e21e | 3334 | sv = NEWSV(42, 0); |
1e422769 | 3335 | sv_setiv(sv, (IV)along); |
a0d0e21e LW |
3336 | PUSHs(sv_2mortal(sv)); |
3337 | } | |
79072805 | 3338 | } |
a0d0e21e LW |
3339 | break; |
3340 | case 'V': | |
3341 | case 'N': | |
3342 | case 'L': | |
96e4d5b1 | 3343 | along = (strend - s) / SIZE32; |
a0d0e21e LW |
3344 | if (len > along) |
3345 | len = along; | |
3346 | if (checksum) { | |
3347 | while (len-- > 0) { | |
96e4d5b1 | 3348 | COPY32(s, &aulong); |
3349 | s += SIZE32; | |
a0d0e21e LW |
3350 | #ifdef HAS_NTOHL |
3351 | if (datumtype == 'N') | |
6ad3d225 | 3352 | aulong = PerlSock_ntohl(aulong); |
79072805 | 3353 | #endif |
a0d0e21e LW |
3354 | #ifdef HAS_VTOHL |
3355 | if (datumtype == 'V') | |
3356 | aulong = vtohl(aulong); | |
79072805 | 3357 | #endif |
a0d0e21e LW |
3358 | if (checksum > 32) |
3359 | cdouble += (double)aulong; | |
3360 | else | |
3361 | culong += aulong; | |
3362 | } | |
3363 | } | |
3364 | else { | |
3365 | EXTEND(SP, len); | |
bbce6d69 | 3366 | EXTEND_MORTAL(len); |
a0d0e21e | 3367 | while (len-- > 0) { |
96e4d5b1 | 3368 | COPY32(s, &aulong); |
3369 | s += SIZE32; | |
a0d0e21e LW |
3370 | #ifdef HAS_NTOHL |
3371 | if (datumtype == 'N') | |
6ad3d225 | 3372 | aulong = PerlSock_ntohl(aulong); |
79072805 | 3373 | #endif |
a0d0e21e LW |
3374 | #ifdef HAS_VTOHL |
3375 | if (datumtype == 'V') | |
3376 | aulong = vtohl(aulong); | |
79072805 | 3377 | #endif |
1e422769 | 3378 | sv = NEWSV(43, 0); |
3379 | sv_setuv(sv, (UV)aulong); | |
a0d0e21e LW |
3380 | PUSHs(sv_2mortal(sv)); |
3381 | } | |
3382 | } | |
3383 | break; | |
3384 | case 'p': | |
3385 | along = (strend - s) / sizeof(char*); | |
3386 | if (len > along) | |
3387 | len = along; | |
3388 | EXTEND(SP, len); | |
bbce6d69 | 3389 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3390 | while (len-- > 0) { |
3391 | if (sizeof(char*) > strend - s) | |
3392 | break; | |
3393 | else { | |
3394 | Copy(s, &aptr, 1, char*); | |
3395 | s += sizeof(char*); | |
3396 | } | |
3397 | sv = NEWSV(44, 0); | |
3398 | if (aptr) | |
3399 | sv_setpv(sv, aptr); | |
3400 | PUSHs(sv_2mortal(sv)); | |
3401 | } | |
3402 | break; | |
def98dd4 | 3403 | case 'w': |
def98dd4 | 3404 | EXTEND(SP, len); |
bbce6d69 | 3405 | EXTEND_MORTAL(len); |
8ec5e241 | 3406 | { |
bbce6d69 | 3407 | UV auv = 0; |
3408 | U32 bytes = 0; | |
3409 | ||
3410 | while ((len > 0) && (s < strend)) { | |
3411 | auv = (auv << 7) | (*s & 0x7f); | |
3412 | if (!(*s++ & 0x80)) { | |
3413 | bytes = 0; | |
3414 | sv = NEWSV(40, 0); | |
3415 | sv_setuv(sv, auv); | |
3416 | PUSHs(sv_2mortal(sv)); | |
3417 | len--; | |
3418 | auv = 0; | |
3419 | } | |
3420 | else if (++bytes >= sizeof(UV)) { /* promote to string */ | |
bbce6d69 | 3421 | char *t; |
3422 | ||
fc36a67e | 3423 | sv = newSVpvf("%.*Vu", (int)TYPE_DIGITS(UV), auv); |
bbce6d69 | 3424 | while (s < strend) { |
3425 | sv = mul128(sv, *s & 0x7f); | |
3426 | if (!(*s++ & 0x80)) { | |
3427 | bytes = 0; | |
3428 | break; | |
3429 | } | |
3430 | } | |
3280af22 | 3431 | t = SvPV(sv, PL_na); |
bbce6d69 | 3432 | while (*t == '0') |
3433 | t++; | |
3434 | sv_chop(sv, t); | |
3435 | PUSHs(sv_2mortal(sv)); | |
3436 | len--; | |
3437 | auv = 0; | |
3438 | } | |
3439 | } | |
3440 | if ((s >= strend) && bytes) | |
3441 | croak("Unterminated compressed integer"); | |
3442 | } | |
def98dd4 | 3443 | break; |
a0d0e21e LW |
3444 | case 'P': |
3445 | EXTEND(SP, 1); | |
3446 | if (sizeof(char*) > strend - s) | |
3447 | break; | |
3448 | else { | |
3449 | Copy(s, &aptr, 1, char*); | |
3450 | s += sizeof(char*); | |
3451 | } | |
3452 | sv = NEWSV(44, 0); | |
3453 | if (aptr) | |
3454 | sv_setpvn(sv, aptr, len); | |
3455 | PUSHs(sv_2mortal(sv)); | |
3456 | break; | |
ecfc5424 | 3457 | #ifdef HAS_QUAD |
a0d0e21e | 3458 | case 'q': |
d4217c7e JH |
3459 | along = (strend - s) / sizeof(Quad_t); |
3460 | if (len > along) | |
3461 | len = along; | |
a0d0e21e | 3462 | EXTEND(SP, len); |
bbce6d69 | 3463 | EXTEND_MORTAL(len); |
a0d0e21e | 3464 | while (len-- > 0) { |
ecfc5424 | 3465 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e LW |
3466 | aquad = 0; |
3467 | else { | |
ecfc5424 AD |
3468 | Copy(s, &aquad, 1, Quad_t); |
3469 | s += sizeof(Quad_t); | |
a0d0e21e LW |
3470 | } |
3471 | sv = NEWSV(42, 0); | |
96e4d5b1 | 3472 | if (aquad >= IV_MIN && aquad <= IV_MAX) |
3473 | sv_setiv(sv, (IV)aquad); | |
3474 | else | |
3475 | sv_setnv(sv, (double)aquad); | |
a0d0e21e LW |
3476 | PUSHs(sv_2mortal(sv)); |
3477 | } | |
3478 | break; | |
3479 | case 'Q': | |
d4217c7e JH |
3480 | along = (strend - s) / sizeof(Quad_t); |
3481 | if (len > along) | |
3482 | len = along; | |
a0d0e21e | 3483 | EXTEND(SP, len); |
bbce6d69 | 3484 | EXTEND_MORTAL(len); |
a0d0e21e | 3485 | while (len-- > 0) { |
ecfc5424 | 3486 | if (s + sizeof(unsigned Quad_t) > strend) |
a0d0e21e LW |
3487 | auquad = 0; |
3488 | else { | |
ecfc5424 AD |
3489 | Copy(s, &auquad, 1, unsigned Quad_t); |
3490 | s += sizeof(unsigned Quad_t); | |
a0d0e21e LW |
3491 | } |
3492 | sv = NEWSV(43, 0); | |
27612d38 | 3493 | if (auquad <= UV_MAX) |
96e4d5b1 | 3494 | sv_setuv(sv, (UV)auquad); |
3495 | else | |
3496 | sv_setnv(sv, (double)auquad); | |
a0d0e21e LW |
3497 | PUSHs(sv_2mortal(sv)); |
3498 | } | |
3499 | break; | |
79072805 | 3500 | #endif |
a0d0e21e LW |
3501 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
3502 | case 'f': | |
3503 | case 'F': | |
3504 | along = (strend - s) / sizeof(float); | |
3505 | if (len > along) | |
3506 | len = along; | |
3507 | if (checksum) { | |
3508 | while (len-- > 0) { | |
3509 | Copy(s, &afloat, 1, float); | |
3510 | s += sizeof(float); | |
3511 | cdouble += afloat; | |
3512 | } | |
3513 | } | |
3514 | else { | |
3515 | EXTEND(SP, len); | |
bbce6d69 | 3516 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3517 | while (len-- > 0) { |
3518 | Copy(s, &afloat, 1, float); | |
3519 | s += sizeof(float); | |
3520 | sv = NEWSV(47, 0); | |
3521 | sv_setnv(sv, (double)afloat); | |
3522 | PUSHs(sv_2mortal(sv)); | |
3523 | } | |
3524 | } | |
3525 | break; | |
3526 | case 'd': | |
3527 | case 'D': | |
3528 | along = (strend - s) / sizeof(double); | |
3529 | if (len > along) | |
3530 | len = along; | |
3531 | if (checksum) { | |
3532 | while (len-- > 0) { | |
3533 | Copy(s, &adouble, 1, double); | |
3534 | s += sizeof(double); | |
3535 | cdouble += adouble; | |
3536 | } | |
3537 | } | |
3538 | else { | |
3539 | EXTEND(SP, len); | |
bbce6d69 | 3540 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3541 | while (len-- > 0) { |
3542 | Copy(s, &adouble, 1, double); | |
3543 | s += sizeof(double); | |
3544 | sv = NEWSV(48, 0); | |
3545 | sv_setnv(sv, (double)adouble); | |
3546 | PUSHs(sv_2mortal(sv)); | |
3547 | } | |
3548 | } | |
3549 | break; | |
3550 | case 'u': | |
9d116dd7 JH |
3551 | /* MKS: |
3552 | * Initialise the decode mapping. By using a table driven | |
3553 | * algorithm, the code will be character-set independent | |
3554 | * (and just as fast as doing character arithmetic) | |
3555 | */ | |
3556 | if (uudmap['M'] == 0) { | |
3557 | int i; | |
3558 | ||
3559 | for (i = 0; i < sizeof(uuemap); i += 1) | |
3560 | uudmap[uuemap[i]] = i; | |
3561 | /* | |
3562 | * Because ' ' and '`' map to the same value, | |
3563 | * we need to decode them both the same. | |
3564 | */ | |
3565 | uudmap[' '] = 0; | |
3566 | } | |
3567 | ||
a0d0e21e LW |
3568 | along = (strend - s) * 3 / 4; |
3569 | sv = NEWSV(42, along); | |
f12c7020 | 3570 | if (along) |
3571 | SvPOK_on(sv); | |
9d116dd7 | 3572 | while (s < strend && *s > ' ' && ISUUCHAR(*s)) { |
a0d0e21e LW |
3573 | I32 a, b, c, d; |
3574 | char hunk[4]; | |
79072805 | 3575 | |
a0d0e21e LW |
3576 | hunk[3] = '\0'; |
3577 | len = (*s++ - ' ') & 077; | |
3578 | while (len > 0) { | |
9d116dd7 JH |
3579 | if (s < strend && ISUUCHAR(*s)) |
3580 | a = uudmap[*s++] & 077; | |
3581 | else | |
3582 | a = 0; | |
3583 | if (s < strend && ISUUCHAR(*s)) | |
3584 | b = uudmap[*s++] & 077; | |
3585 | else | |
3586 | b = 0; | |
3587 | if (s < strend && ISUUCHAR(*s)) | |
3588 | c = uudmap[*s++] & 077; | |
3589 | else | |
3590 | c = 0; | |
3591 | if (s < strend && ISUUCHAR(*s)) | |
3592 | d = uudmap[*s++] & 077; | |
a0d0e21e LW |
3593 | else |
3594 | d = 0; | |
4e35701f NIS |
3595 | hunk[0] = (a << 2) | (b >> 4); |
3596 | hunk[1] = (b << 4) | (c >> 2); | |
3597 | hunk[2] = (c << 6) | d; | |
3598 | sv_catpvn(sv, hunk, (len > 3) ? 3 : len); | |
a0d0e21e LW |
3599 | len -= 3; |
3600 | } | |
3601 | if (*s == '\n') | |
3602 | s++; | |
3603 | else if (s[1] == '\n') /* possible checksum byte */ | |
3604 | s += 2; | |
79072805 | 3605 | } |
a0d0e21e LW |
3606 | XPUSHs(sv_2mortal(sv)); |
3607 | break; | |
79072805 | 3608 | } |
a0d0e21e LW |
3609 | if (checksum) { |
3610 | sv = NEWSV(42, 0); | |
3611 | if (strchr("fFdD", datumtype) || | |
3612 | (checksum > 32 && strchr("iIlLN", datumtype)) ) { | |
3613 | double trouble; | |
79072805 | 3614 | |
a0d0e21e LW |
3615 | adouble = 1.0; |
3616 | while (checksum >= 16) { | |
3617 | checksum -= 16; | |
3618 | adouble *= 65536.0; | |
3619 | } | |
3620 | while (checksum >= 4) { | |
3621 | checksum -= 4; | |
3622 | adouble *= 16.0; | |
3623 | } | |
3624 | while (checksum--) | |
3625 | adouble *= 2.0; | |
3626 | along = (1 << checksum) - 1; | |
3627 | while (cdouble < 0.0) | |
3628 | cdouble += adouble; | |
3629 | cdouble = modf(cdouble / adouble, &trouble) * adouble; | |
3630 | sv_setnv(sv, cdouble); | |
3631 | } | |
3632 | else { | |
3633 | if (checksum < 32) { | |
96e4d5b1 | 3634 | aulong = (1 << checksum) - 1; |
3635 | culong &= aulong; | |
a0d0e21e | 3636 | } |
96e4d5b1 | 3637 | sv_setuv(sv, (UV)culong); |
a0d0e21e LW |
3638 | } |
3639 | XPUSHs(sv_2mortal(sv)); | |
3640 | checksum = 0; | |
79072805 | 3641 | } |
79072805 | 3642 | } |
924508f0 | 3643 | if (SP == oldsp && gimme == G_SCALAR) |
3280af22 | 3644 | PUSHs(&PL_sv_undef); |
79072805 | 3645 | RETURN; |
79072805 LW |
3646 | } |
3647 | ||
76e3520e | 3648 | STATIC void |
8ac85365 | 3649 | doencodes(register SV *sv, register char *s, register I32 len) |
79072805 | 3650 | { |
a0d0e21e | 3651 | char hunk[5]; |
79072805 | 3652 | |
9d116dd7 | 3653 | *hunk = uuemap[len]; |
a0d0e21e LW |
3654 | sv_catpvn(sv, hunk, 1); |
3655 | hunk[4] = '\0'; | |
3656 | while (len > 0) { | |
9d116dd7 JH |
3657 | hunk[0] = uuemap[(077 & (*s >> 2))]; |
3658 | hunk[1] = uuemap[(077 & ((*s << 4) & 060 | (s[1] >> 4) & 017))]; | |
3659 | hunk[2] = uuemap[(077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03))]; | |
3660 | hunk[3] = uuemap[(077 & (s[2] & 077))]; | |
a0d0e21e LW |
3661 | sv_catpvn(sv, hunk, 4); |
3662 | s += 3; | |
3663 | len -= 3; | |
3664 | } | |
a0d0e21e | 3665 | sv_catpvn(sv, "\n", 1); |
79072805 LW |
3666 | } |
3667 | ||
76e3520e | 3668 | STATIC SV * |
8ac85365 | 3669 | is_an_int(char *s, STRLEN l) |
55497cff | 3670 | { |
3671 | SV *result = newSVpv("", l); | |
3280af22 | 3672 | char *result_c = SvPV(result, PL_na); /* convenience */ |
55497cff | 3673 | char *out = result_c; |
3674 | bool skip = 1; | |
3675 | bool ignore = 0; | |
3676 | ||
3677 | while (*s) { | |
3678 | switch (*s) { | |
3679 | case ' ': | |
3680 | break; | |
3681 | case '+': | |
3682 | if (!skip) { | |
3683 | SvREFCNT_dec(result); | |
3684 | return (NULL); | |
3685 | } | |
3686 | break; | |
3687 | case '0': | |
3688 | case '1': | |
3689 | case '2': | |
3690 | case '3': | |
3691 | case '4': | |
3692 | case '5': | |
3693 | case '6': | |
3694 | case '7': | |
3695 | case '8': | |
3696 | case '9': | |
3697 | skip = 0; | |
3698 | if (!ignore) { | |
3699 | *(out++) = *s; | |
3700 | } | |
3701 | break; | |
3702 | case '.': | |
3703 | ignore = 1; | |
3704 | break; | |
3705 | default: | |
3706 | SvREFCNT_dec(result); | |
3707 | return (NULL); | |
3708 | } | |
3709 | s++; | |
3710 | } | |
3711 | *(out++) = '\0'; | |
3712 | SvCUR_set(result, out - result_c); | |
3713 | return (result); | |
3714 | } | |
3715 | ||
76e3520e | 3716 | STATIC int |
61bb5906 | 3717 | div128(SV *pnum, bool *done) |
8ac85365 | 3718 | /* must be '\0' terminated */ |
8ec5e241 | 3719 | |
55497cff | 3720 | { |
3721 | STRLEN len; | |
3722 | char *s = SvPV(pnum, len); | |
3723 | int m = 0; | |
3724 | int r = 0; | |
3725 | char *t = s; | |
3726 | ||
3727 | *done = 1; | |
3728 | while (*t) { | |
3729 | int i; | |
3730 | ||
3731 | i = m * 10 + (*t - '0'); | |
3732 | m = i & 0x7F; | |
3733 | r = (i >> 7); /* r < 10 */ | |
3734 | if (r) { | |
3735 | *done = 0; | |
3736 | } | |
3737 | *(t++) = '0' + r; | |
3738 | } | |
3739 | *(t++) = '\0'; | |
3740 | SvCUR_set(pnum, (STRLEN) (t - s)); | |
3741 | return (m); | |
3742 | } | |
3743 | ||
3744 | ||
a0d0e21e | 3745 | PP(pp_pack) |
79072805 | 3746 | { |
4e35701f | 3747 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
3748 | register SV *cat = TARG; |
3749 | register I32 items; | |
3750 | STRLEN fromlen; | |
3751 | register char *pat = SvPVx(*++MARK, fromlen); | |
3752 | register char *patend = pat + fromlen; | |
3753 | register I32 len; | |
3754 | I32 datumtype; | |
3755 | SV *fromstr; | |
3756 | /*SUPPRESS 442*/ | |
3757 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; | |
3758 | static char *space10 = " "; | |
79072805 | 3759 | |
a0d0e21e LW |
3760 | /* These must not be in registers: */ |
3761 | char achar; | |
3762 | I16 ashort; | |
3763 | int aint; | |
3764 | unsigned int auint; | |
3765 | I32 along; | |
3766 | U32 aulong; | |
ecfc5424 AD |
3767 | #ifdef HAS_QUAD |
3768 | Quad_t aquad; | |
3769 | unsigned Quad_t auquad; | |
79072805 | 3770 | #endif |
a0d0e21e LW |
3771 | char *aptr; |
3772 | float afloat; | |
3773 | double adouble; | |
fb73857a | 3774 | int commas = 0; |
79072805 | 3775 | |
a0d0e21e LW |
3776 | items = SP - MARK; |
3777 | MARK++; | |
3778 | sv_setpvn(cat, "", 0); | |
3779 | while (pat < patend) { | |
3280af22 | 3780 | #define NEXTFROM (items-- > 0 ? *MARK++ : &PL_sv_no) |
bbdab043 CS |
3781 | datumtype = *pat++ & 0xFF; |
3782 | if (isSPACE(datumtype)) | |
3783 | continue; | |
a0d0e21e LW |
3784 | if (*pat == '*') { |
3785 | len = strchr("@Xxu", datumtype) ? 0 : items; | |
3786 | pat++; | |
3787 | } | |
3788 | else if (isDIGIT(*pat)) { | |
3789 | len = *pat++ - '0'; | |
3790 | while (isDIGIT(*pat)) | |
3791 | len = (len * 10) + (*pat++ - '0'); | |
3792 | } | |
3793 | else | |
3794 | len = 1; | |
3795 | switch(datumtype) { | |
3796 | default: | |
bbdab043 | 3797 | croak("Invalid type in pack: '%c'", (int)datumtype); |
fb73857a | 3798 | case ',': /* grandfather in commas but with a warning */ |
3280af22 | 3799 | if (commas++ == 0 && PL_dowarn) |
fb73857a | 3800 | warn("Invalid type in pack: '%c'", (int)datumtype); |
3801 | break; | |
a0d0e21e LW |
3802 | case '%': |
3803 | DIE("%% may only be used in unpack"); | |
3804 | case '@': | |
3805 | len -= SvCUR(cat); | |
3806 | if (len > 0) | |
3807 | goto grow; | |
3808 | len = -len; | |
3809 | if (len > 0) | |
3810 | goto shrink; | |
3811 | break; | |
3812 | case 'X': | |
3813 | shrink: | |
3814 | if (SvCUR(cat) < len) | |
3815 | DIE("X outside of string"); | |
3816 | SvCUR(cat) -= len; | |
3817 | *SvEND(cat) = '\0'; | |
3818 | break; | |
3819 | case 'x': | |
3820 | grow: | |
3821 | while (len >= 10) { | |
3822 | sv_catpvn(cat, null10, 10); | |
3823 | len -= 10; | |
3824 | } | |
3825 | sv_catpvn(cat, null10, len); | |
3826 | break; | |
3827 | case 'A': | |
3828 | case 'a': | |
3829 | fromstr = NEXTFROM; | |
3830 | aptr = SvPV(fromstr, fromlen); | |
3831 | if (pat[-1] == '*') | |
3832 | len = fromlen; | |
3833 | if (fromlen > len) | |
3834 | sv_catpvn(cat, aptr, len); | |
3835 | else { | |
3836 | sv_catpvn(cat, aptr, fromlen); | |
3837 | len -= fromlen; | |
3838 | if (datumtype == 'A') { | |
3839 | while (len >= 10) { | |
3840 | sv_catpvn(cat, space10, 10); | |
3841 | len -= 10; | |
3842 | } | |
3843 | sv_catpvn(cat, space10, len); | |
3844 | } | |
3845 | else { | |
3846 | while (len >= 10) { | |
3847 | sv_catpvn(cat, null10, 10); | |
3848 | len -= 10; | |
3849 | } | |
3850 | sv_catpvn(cat, null10, len); | |
3851 | } | |
3852 | } | |
3853 | break; | |
3854 | case 'B': | |
3855 | case 'b': | |
3856 | { | |
3857 | char *savepat = pat; | |
3858 | I32 saveitems; | |
79072805 | 3859 | |
a0d0e21e LW |
3860 | fromstr = NEXTFROM; |
3861 | saveitems = items; | |
3862 | aptr = SvPV(fromstr, fromlen); | |
3863 | if (pat[-1] == '*') | |
3864 | len = fromlen; | |
3865 | pat = aptr; | |
3866 | aint = SvCUR(cat); | |
3867 | SvCUR(cat) += (len+7)/8; | |
3868 | SvGROW(cat, SvCUR(cat) + 1); | |
3869 | aptr = SvPVX(cat) + aint; | |
3870 | if (len > fromlen) | |
3871 | len = fromlen; | |
3872 | aint = len; | |
3873 | items = 0; | |
3874 | if (datumtype == 'B') { | |
3875 | for (len = 0; len++ < aint;) { | |
3876 | items |= *pat++ & 1; | |
3877 | if (len & 7) | |
3878 | items <<= 1; | |
3879 | else { | |
3880 | *aptr++ = items & 0xff; | |
3881 | items = 0; | |
3882 | } | |
3883 | } | |
3884 | } | |
3885 | else { | |
3886 | for (len = 0; len++ < aint;) { | |
3887 | if (*pat++ & 1) | |
3888 | items |= 128; | |
3889 | if (len & 7) | |
3890 | items >>= 1; | |
3891 | else { | |
3892 | *aptr++ = items & 0xff; | |
3893 | items = 0; | |
3894 | } | |
3895 | } | |
3896 | } | |
3897 | if (aint & 7) { | |
3898 | if (datumtype == 'B') | |
3899 | items <<= 7 - (aint & 7); | |
3900 | else | |
3901 | items >>= 7 - (aint & 7); | |
3902 | *aptr++ = items & 0xff; | |
3903 | } | |
3904 | pat = SvPVX(cat) + SvCUR(cat); | |
3905 | while (aptr <= pat) | |
3906 | *aptr++ = '\0'; | |
79072805 | 3907 | |
a0d0e21e LW |
3908 | pat = savepat; |
3909 | items = saveitems; | |
3910 | } | |
3911 | break; | |
3912 | case 'H': | |
3913 | case 'h': | |
3914 | { | |
3915 | char *savepat = pat; | |
3916 | I32 saveitems; | |
79072805 | 3917 | |
a0d0e21e LW |
3918 | fromstr = NEXTFROM; |
3919 | saveitems = items; | |
3920 | aptr = SvPV(fromstr, fromlen); | |
3921 | if (pat[-1] == '*') | |
3922 | len = fromlen; | |
3923 | pat = aptr; | |
3924 | aint = SvCUR(cat); | |
3925 | SvCUR(cat) += (len+1)/2; | |
3926 | SvGROW(cat, SvCUR(cat) + 1); | |
3927 | aptr = SvPVX(cat) + aint; | |
3928 | if (len > fromlen) | |
3929 | len = fromlen; | |
3930 | aint = len; | |
3931 | items = 0; | |
3932 | if (datumtype == 'H') { | |
3933 | for (len = 0; len++ < aint;) { | |
3934 | if (isALPHA(*pat)) | |
3935 | items |= ((*pat++ & 15) + 9) & 15; | |
3936 | else | |
3937 | items |= *pat++ & 15; | |
3938 | if (len & 1) | |
3939 | items <<= 4; | |
3940 | else { | |
3941 | *aptr++ = items & 0xff; | |
3942 | items = 0; | |
3943 | } | |
3944 | } | |
3945 | } | |
3946 | else { | |
3947 | for (len = 0; len++ < aint;) { | |
3948 | if (isALPHA(*pat)) | |
3949 | items |= (((*pat++ & 15) + 9) & 15) << 4; | |
3950 | else | |
3951 | items |= (*pat++ & 15) << 4; | |
3952 | if (len & 1) | |
3953 | items >>= 4; | |
3954 | else { | |
3955 | *aptr++ = items & 0xff; | |
3956 | items = 0; | |
3957 | } | |
3958 | } | |
3959 | } | |
3960 | if (aint & 1) | |
3961 | *aptr++ = items & 0xff; | |
3962 | pat = SvPVX(cat) + SvCUR(cat); | |
3963 | while (aptr <= pat) | |
3964 | *aptr++ = '\0'; | |
79072805 | 3965 | |
a0d0e21e LW |
3966 | pat = savepat; |
3967 | items = saveitems; | |
3968 | } | |
3969 | break; | |
3970 | case 'C': | |
3971 | case 'c': | |
3972 | while (len-- > 0) { | |
3973 | fromstr = NEXTFROM; | |
3974 | aint = SvIV(fromstr); | |
3975 | achar = aint; | |
3976 | sv_catpvn(cat, &achar, sizeof(char)); | |
3977 | } | |
3978 | break; | |
3979 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ | |
3980 | case 'f': | |
3981 | case 'F': | |
3982 | while (len-- > 0) { | |
3983 | fromstr = NEXTFROM; | |
3984 | afloat = (float)SvNV(fromstr); | |
3985 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); | |
3986 | } | |
3987 | break; | |
3988 | case 'd': | |
3989 | case 'D': | |
3990 | while (len-- > 0) { | |
3991 | fromstr = NEXTFROM; | |
3992 | adouble = (double)SvNV(fromstr); | |
3993 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); | |
3994 | } | |
3995 | break; | |
3996 | case 'n': | |
3997 | while (len-- > 0) { | |
3998 | fromstr = NEXTFROM; | |
3999 | ashort = (I16)SvIV(fromstr); | |
4000 | #ifdef HAS_HTONS | |
6ad3d225 | 4001 | ashort = PerlSock_htons(ashort); |
79072805 | 4002 | #endif |
96e4d5b1 | 4003 | CAT16(cat, &ashort); |
a0d0e21e LW |
4004 | } |
4005 | break; | |
4006 | case 'v': | |
4007 | while (len-- > 0) { | |
4008 | fromstr = NEXTFROM; | |
4009 | ashort = (I16)SvIV(fromstr); | |
4010 | #ifdef HAS_HTOVS | |
4011 | ashort = htovs(ashort); | |
79072805 | 4012 | #endif |
96e4d5b1 | 4013 | CAT16(cat, &ashort); |
a0d0e21e LW |
4014 | } |
4015 | break; | |
4016 | case 'S': | |
4017 | case 's': | |
4018 | while (len-- > 0) { | |
4019 | fromstr = NEXTFROM; | |
4020 | ashort = (I16)SvIV(fromstr); | |
96e4d5b1 | 4021 | CAT16(cat, &ashort); |
a0d0e21e LW |
4022 | } |
4023 | break; | |
4024 | case 'I': | |
4025 | while (len-- > 0) { | |
4026 | fromstr = NEXTFROM; | |
96e4d5b1 | 4027 | auint = SvUV(fromstr); |
a0d0e21e LW |
4028 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
4029 | } | |
4030 | break; | |
def98dd4 UP |
4031 | case 'w': |
4032 | while (len-- > 0) { | |
bbce6d69 | 4033 | fromstr = NEXTFROM; |
4034 | adouble = floor(SvNV(fromstr)); | |
4035 | ||
4036 | if (adouble < 0) | |
4037 | croak("Cannot compress negative numbers"); | |
4038 | ||
46fc3d4c | 4039 | if ( |
4040 | #ifdef BW_BITS | |
4041 | adouble <= BW_MASK | |
4042 | #else | |
ef2d312d TH |
4043 | #ifdef CXUX_BROKEN_CONSTANT_CONVERT |
4044 | adouble <= UV_MAX_cxux | |
4045 | #else | |
46fc3d4c | 4046 | adouble <= UV_MAX |
4047 | #endif | |
ef2d312d | 4048 | #endif |
46fc3d4c | 4049 | ) |
4050 | { | |
bbce6d69 | 4051 | char buf[1 + sizeof(UV)]; |
4052 | char *in = buf + sizeof(buf); | |
4053 | UV auv = U_V(adouble);; | |
4054 | ||
4055 | do { | |
4056 | *--in = (auv & 0x7f) | 0x80; | |
4057 | auv >>= 7; | |
4058 | } while (auv); | |
4059 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
4060 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
4061 | } | |
4062 | else if (SvPOKp(fromstr)) { /* decimal string arithmetics */ | |
4063 | char *from, *result, *in; | |
4064 | SV *norm; | |
4065 | STRLEN len; | |
4066 | bool done; | |
8ec5e241 | 4067 | |
bbce6d69 | 4068 | /* Copy string and check for compliance */ |
4069 | from = SvPV(fromstr, len); | |
4070 | if ((norm = is_an_int(from, len)) == NULL) | |
4071 | croak("can compress only unsigned integer"); | |
4072 | ||
4073 | New('w', result, len, char); | |
4074 | in = result + len; | |
4075 | done = FALSE; | |
4076 | while (!done) | |
4077 | *--in = div128(norm, &done) | 0x80; | |
4078 | result[len - 1] &= 0x7F; /* clear continue bit */ | |
4079 | sv_catpvn(cat, in, (result + len) - in); | |
5f05dabc | 4080 | Safefree(result); |
bbce6d69 | 4081 | SvREFCNT_dec(norm); /* free norm */ |
def98dd4 | 4082 | } |
bbce6d69 | 4083 | else if (SvNOKp(fromstr)) { |
4084 | char buf[sizeof(double) * 2]; /* 8/7 <= 2 */ | |
4085 | char *in = buf + sizeof(buf); | |
4086 | ||
4087 | do { | |
4088 | double next = floor(adouble / 128); | |
4089 | *--in = (unsigned char)(adouble - (next * 128)) | 0x80; | |
4090 | if (--in < buf) /* this cannot happen ;-) */ | |
4091 | croak ("Cannot compress integer"); | |
4092 | adouble = next; | |
4093 | } while (adouble > 0); | |
4094 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
4095 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
4096 | } | |
4097 | else | |
4098 | croak("Cannot compress non integer"); | |
4099 | } | |
def98dd4 | 4100 | break; |
a0d0e21e LW |
4101 | case 'i': |
4102 | while (len-- > 0) { | |
4103 | fromstr = NEXTFROM; | |
4104 | aint = SvIV(fromstr); | |
4105 | sv_catpvn(cat, (char*)&aint, sizeof(int)); | |
4106 | } | |
4107 | break; | |
4108 | case 'N': | |
4109 | while (len-- > 0) { | |
4110 | fromstr = NEXTFROM; | |
96e4d5b1 | 4111 | aulong = SvUV(fromstr); |
a0d0e21e | 4112 | #ifdef HAS_HTONL |
6ad3d225 | 4113 | aulong = PerlSock_htonl(aulong); |
79072805 | 4114 | #endif |
96e4d5b1 | 4115 | CAT32(cat, &aulong); |
a0d0e21e LW |
4116 | } |
4117 | break; | |
4118 | case 'V': | |
4119 | while (len-- > 0) { | |
4120 | fromstr = NEXTFROM; | |
96e4d5b1 | 4121 | aulong = SvUV(fromstr); |
a0d0e21e LW |
4122 | #ifdef HAS_HTOVL |
4123 | aulong = htovl(aulong); | |
79072805 | 4124 | #endif |
96e4d5b1 | 4125 | CAT32(cat, &aulong); |
a0d0e21e LW |
4126 | } |
4127 | break; | |
4128 | case 'L': | |
4129 | while (len-- > 0) { | |
4130 | fromstr = NEXTFROM; | |
96e4d5b1 | 4131 | aulong = SvUV(fromstr); |
4132 | CAT32(cat, &aulong); | |
a0d0e21e LW |
4133 | } |
4134 | break; | |
4135 | case 'l': | |
4136 | while (len-- > 0) { | |
4137 | fromstr = NEXTFROM; | |
4138 | along = SvIV(fromstr); | |
96e4d5b1 | 4139 | CAT32(cat, &along); |
a0d0e21e LW |
4140 | } |
4141 | break; | |
ecfc5424 | 4142 | #ifdef HAS_QUAD |
a0d0e21e LW |
4143 | case 'Q': |
4144 | while (len-- > 0) { | |
4145 | fromstr = NEXTFROM; | |
ecfc5424 AD |
4146 | auquad = (unsigned Quad_t)SvIV(fromstr); |
4147 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t)); | |
a0d0e21e LW |
4148 | } |
4149 | break; | |
4150 | case 'q': | |
4151 | while (len-- > 0) { | |
4152 | fromstr = NEXTFROM; | |
ecfc5424 AD |
4153 | aquad = (Quad_t)SvIV(fromstr); |
4154 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); | |
a0d0e21e LW |
4155 | } |
4156 | break; | |
ecfc5424 | 4157 | #endif /* HAS_QUAD */ |
a0d0e21e LW |
4158 | case 'P': |
4159 | len = 1; /* assume SV is correct length */ | |
4160 | /* FALL THROUGH */ | |
4161 | case 'p': | |
4162 | while (len-- > 0) { | |
4163 | fromstr = NEXTFROM; | |
3280af22 | 4164 | if (fromstr == &PL_sv_undef) |
84902520 | 4165 | aptr = NULL; |
72dbcb4b | 4166 | else { |
84902520 TB |
4167 | /* XXX better yet, could spirit away the string to |
4168 | * a safe spot and hang on to it until the result | |
4169 | * of pack() (and all copies of the result) are | |
4170 | * gone. | |
4171 | */ | |
3280af22 | 4172 | if (PL_dowarn && (SvTEMP(fromstr) || SvPADTMP(fromstr))) |
84902520 TB |
4173 | warn("Attempt to pack pointer to temporary value"); |
4174 | if (SvPOK(fromstr) || SvNIOK(fromstr)) | |
3280af22 | 4175 | aptr = SvPV(fromstr,PL_na); |
84902520 | 4176 | else |
3280af22 | 4177 | aptr = SvPV_force(fromstr,PL_na); |
72dbcb4b | 4178 | } |
a0d0e21e LW |
4179 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
4180 | } | |
4181 | break; | |
4182 | case 'u': | |
4183 | fromstr = NEXTFROM; | |
4184 | aptr = SvPV(fromstr, fromlen); | |
4185 | SvGROW(cat, fromlen * 4 / 3); | |
4186 | if (len <= 1) | |
4187 | len = 45; | |
4188 | else | |
4189 | len = len / 3 * 3; | |
4190 | while (fromlen > 0) { | |
4191 | I32 todo; | |
79072805 | 4192 | |
a0d0e21e LW |
4193 | if (fromlen > len) |
4194 | todo = len; | |
4195 | else | |
4196 | todo = fromlen; | |
4197 | doencodes(cat, aptr, todo); | |
4198 | fromlen -= todo; | |
4199 | aptr += todo; | |
4200 | } | |
4201 | break; | |
4202 | } | |
4203 | } | |
4204 | SvSETMAGIC(cat); | |
4205 | SP = ORIGMARK; | |
4206 | PUSHs(cat); | |
4207 | RETURN; | |
79072805 | 4208 | } |
a0d0e21e | 4209 | #undef NEXTFROM |
79072805 | 4210 | |
8ec5e241 | 4211 | |
a0d0e21e | 4212 | PP(pp_split) |
79072805 | 4213 | { |
4e35701f | 4214 | djSP; dTARG; |
a0d0e21e LW |
4215 | AV *ary; |
4216 | register I32 limit = POPi; /* note, negative is forever */ | |
4217 | SV *sv = POPs; | |
4218 | STRLEN len; | |
4219 | register char *s = SvPV(sv, len); | |
4220 | char *strend = s + len; | |
44a8e56a | 4221 | register PMOP *pm; |
d9f97599 | 4222 | register REGEXP *rx; |
a0d0e21e LW |
4223 | register SV *dstr; |
4224 | register char *m; | |
4225 | I32 iters = 0; | |
4226 | I32 maxiters = (strend - s) + 10; | |
4227 | I32 i; | |
4228 | char *orig; | |
4229 | I32 origlimit = limit; | |
4230 | I32 realarray = 0; | |
4231 | I32 base; | |
3280af22 | 4232 | AV *oldstack = PL_curstack; |
54310121 | 4233 | I32 gimme = GIMME_V; |
3280af22 | 4234 | I32 oldsave = PL_savestack_ix; |
8ec5e241 NIS |
4235 | I32 make_mortal = 1; |
4236 | MAGIC *mg = (MAGIC *) NULL; | |
79072805 | 4237 | |
44a8e56a | 4238 | #ifdef DEBUGGING |
4239 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
4240 | #else | |
4241 | pm = (PMOP*)POPs; | |
4242 | #endif | |
a0d0e21e LW |
4243 | if (!pm || !s) |
4244 | DIE("panic: do_split"); | |
d9f97599 | 4245 | rx = pm->op_pmregexp; |
bbce6d69 | 4246 | |
4247 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
4248 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
4249 | ||
a0d0e21e LW |
4250 | if (pm->op_pmreplroot) |
4251 | ary = GvAVn((GV*)pm->op_pmreplroot); | |
4252 | else if (gimme != G_ARRAY) | |
6d4ff0d2 | 4253 | #ifdef USE_THREADS |
533c011a | 4254 | ary = (AV*)PL_curpad[0]; |
6d4ff0d2 | 4255 | #else |
3280af22 | 4256 | ary = GvAVn(PL_defgv); |
6d4ff0d2 | 4257 | #endif /* USE_THREADS */ |
79072805 | 4258 | else |
a0d0e21e LW |
4259 | ary = Nullav; |
4260 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
4261 | realarray = 1; | |
8ec5e241 | 4262 | PUTBACK; |
a0d0e21e LW |
4263 | av_extend(ary,0); |
4264 | av_clear(ary); | |
8ec5e241 NIS |
4265 | SPAGAIN; |
4266 | if (SvRMAGICAL(ary) && (mg = mg_find((SV *) ary, 'P'))) { | |
4267 | PUSHMARK(SP); | |
4268 | XPUSHs(mg->mg_obj); | |
4269 | } | |
4270 | else { | |
1c0b011c NIS |
4271 | if (!AvREAL(ary)) { |
4272 | AvREAL_on(ary); | |
4273 | for (i = AvFILLp(ary); i >= 0; i--) | |
3280af22 | 4274 | AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */ |
1c0b011c NIS |
4275 | } |
4276 | /* temporarily switch stacks */ | |
3280af22 | 4277 | SWITCHSTACK(PL_curstack, ary); |
8ec5e241 | 4278 | make_mortal = 0; |
1c0b011c | 4279 | } |
79072805 | 4280 | } |
3280af22 | 4281 | base = SP - PL_stack_base; |
a0d0e21e LW |
4282 | orig = s; |
4283 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 4284 | if (pm->op_pmflags & PMf_LOCALE) { |
4285 | while (isSPACE_LC(*s)) | |
4286 | s++; | |
4287 | } | |
4288 | else { | |
4289 | while (isSPACE(*s)) | |
4290 | s++; | |
4291 | } | |
a0d0e21e | 4292 | } |
c07a80fd | 4293 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3280af22 NIS |
4294 | SAVEINT(PL_multiline); |
4295 | PL_multiline = pm->op_pmflags & PMf_MULTILINE; | |
c07a80fd | 4296 | } |
4297 | ||
a0d0e21e LW |
4298 | if (!limit) |
4299 | limit = maxiters + 2; | |
4300 | if (pm->op_pmflags & PMf_WHITE) { | |
4301 | while (--limit) { | |
bbce6d69 | 4302 | m = s; |
4303 | while (m < strend && | |
4304 | !((pm->op_pmflags & PMf_LOCALE) | |
4305 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
4306 | ++m; | |
a0d0e21e LW |
4307 | if (m >= strend) |
4308 | break; | |
bbce6d69 | 4309 | |
a0d0e21e LW |
4310 | dstr = NEWSV(30, m-s); |
4311 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4312 | if (make_mortal) |
a0d0e21e LW |
4313 | sv_2mortal(dstr); |
4314 | XPUSHs(dstr); | |
bbce6d69 | 4315 | |
4316 | s = m + 1; | |
4317 | while (s < strend && | |
4318 | ((pm->op_pmflags & PMf_LOCALE) | |
4319 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
4320 | ++s; | |
79072805 LW |
4321 | } |
4322 | } | |
d9f97599 | 4323 | else if (strEQ("^", rx->precomp)) { |
a0d0e21e LW |
4324 | while (--limit) { |
4325 | /*SUPPRESS 530*/ | |
4326 | for (m = s; m < strend && *m != '\n'; m++) ; | |
4327 | m++; | |
4328 | if (m >= strend) | |
4329 | break; | |
4330 | dstr = NEWSV(30, m-s); | |
4331 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4332 | if (make_mortal) |
a0d0e21e LW |
4333 | sv_2mortal(dstr); |
4334 | XPUSHs(dstr); | |
4335 | s = m; | |
4336 | } | |
4337 | } | |
d9f97599 GS |
4338 | else if (rx->check_substr && !rx->nparens |
4339 | && (rx->reganch & ROPT_CHECK_ALL) | |
4340 | && !(rx->reganch & ROPT_ANCH)) { | |
4341 | i = SvCUR(rx->check_substr); | |
4342 | if (i == 1 && !SvTAIL(rx->check_substr)) { | |
4343 | i = *SvPVX(rx->check_substr); | |
a0d0e21e | 4344 | while (--limit) { |
bbce6d69 | 4345 | /*SUPPRESS 530*/ |
4346 | for (m = s; m < strend && *m != i; m++) ; | |
a0d0e21e LW |
4347 | if (m >= strend) |
4348 | break; | |
4349 | dstr = NEWSV(30, m-s); | |
4350 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4351 | if (make_mortal) |
a0d0e21e LW |
4352 | sv_2mortal(dstr); |
4353 | XPUSHs(dstr); | |
4354 | s = m + 1; | |
4355 | } | |
4356 | } | |
4357 | else { | |
4358 | #ifndef lint | |
4359 | while (s < strend && --limit && | |
4360 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, | |
411d5715 | 4361 | rx->check_substr, 0)) ) |
79072805 | 4362 | #endif |
a0d0e21e LW |
4363 | { |
4364 | dstr = NEWSV(31, m-s); | |
4365 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4366 | if (make_mortal) |
a0d0e21e LW |
4367 | sv_2mortal(dstr); |
4368 | XPUSHs(dstr); | |
4369 | s = m + i; | |
4370 | } | |
463ee0b2 | 4371 | } |
463ee0b2 | 4372 | } |
a0d0e21e | 4373 | else { |
d9f97599 | 4374 | maxiters += (strend - s) * rx->nparens; |
a0d0e21e | 4375 | while (s < strend && --limit && |
15e52e56 | 4376 | CALLREGEXEC(rx, s, strend, orig, 1, Nullsv, NULL, 0)) |
bbce6d69 | 4377 | { |
d9f97599 GS |
4378 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
4379 | if (rx->subbase | |
4380 | && rx->subbase != orig) { | |
a0d0e21e LW |
4381 | m = s; |
4382 | s = orig; | |
d9f97599 | 4383 | orig = rx->subbase; |
a0d0e21e LW |
4384 | s = orig + (m - s); |
4385 | strend = s + (strend - m); | |
4386 | } | |
d9f97599 | 4387 | m = rx->startp[0]; |
a0d0e21e LW |
4388 | dstr = NEWSV(32, m-s); |
4389 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4390 | if (make_mortal) |
a0d0e21e LW |
4391 | sv_2mortal(dstr); |
4392 | XPUSHs(dstr); | |
d9f97599 GS |
4393 | if (rx->nparens) { |
4394 | for (i = 1; i <= rx->nparens; i++) { | |
4395 | s = rx->startp[i]; | |
4396 | m = rx->endp[i]; | |
748a9306 LW |
4397 | if (m && s) { |
4398 | dstr = NEWSV(33, m-s); | |
4399 | sv_setpvn(dstr, s, m-s); | |
4400 | } | |
4401 | else | |
4402 | dstr = NEWSV(33, 0); | |
8ec5e241 | 4403 | if (make_mortal) |
a0d0e21e LW |
4404 | sv_2mortal(dstr); |
4405 | XPUSHs(dstr); | |
4406 | } | |
4407 | } | |
d9f97599 | 4408 | s = rx->endp[0]; |
a0d0e21e | 4409 | } |
79072805 | 4410 | } |
8ec5e241 | 4411 | |
c07a80fd | 4412 | LEAVE_SCOPE(oldsave); |
3280af22 | 4413 | iters = (SP - PL_stack_base) - base; |
a0d0e21e LW |
4414 | if (iters > maxiters) |
4415 | DIE("Split loop"); | |
8ec5e241 | 4416 | |
a0d0e21e LW |
4417 | /* keep field after final delim? */ |
4418 | if (s < strend || (iters && origlimit)) { | |
4419 | dstr = NEWSV(34, strend-s); | |
4420 | sv_setpvn(dstr, s, strend-s); | |
8ec5e241 | 4421 | if (make_mortal) |
a0d0e21e LW |
4422 | sv_2mortal(dstr); |
4423 | XPUSHs(dstr); | |
4424 | iters++; | |
79072805 | 4425 | } |
a0d0e21e | 4426 | else if (!origlimit) { |
b1dadf13 | 4427 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e LW |
4428 | iters--, SP--; |
4429 | } | |
8ec5e241 | 4430 | |
a0d0e21e | 4431 | if (realarray) { |
8ec5e241 | 4432 | if (!mg) { |
1c0b011c NIS |
4433 | SWITCHSTACK(ary, oldstack); |
4434 | if (SvSMAGICAL(ary)) { | |
4435 | PUTBACK; | |
4436 | mg_set((SV*)ary); | |
4437 | SPAGAIN; | |
4438 | } | |
4439 | if (gimme == G_ARRAY) { | |
4440 | EXTEND(SP, iters); | |
4441 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
4442 | SP += iters; | |
4443 | RETURN; | |
4444 | } | |
8ec5e241 | 4445 | } |
1c0b011c | 4446 | else { |
fb73857a | 4447 | PUTBACK; |
8ec5e241 NIS |
4448 | ENTER; |
4449 | perl_call_method("PUSH",G_SCALAR|G_DISCARD); | |
4450 | LEAVE; | |
fb73857a | 4451 | SPAGAIN; |
8ec5e241 NIS |
4452 | if (gimme == G_ARRAY) { |
4453 | /* EXTEND should not be needed - we just popped them */ | |
4454 | EXTEND(SP, iters); | |
4455 | for (i=0; i < iters; i++) { | |
4456 | SV **svp = av_fetch(ary, i, FALSE); | |
3280af22 | 4457 | PUSHs((svp) ? *svp : &PL_sv_undef); |
8ec5e241 | 4458 | } |
1c0b011c NIS |
4459 | RETURN; |
4460 | } | |
a0d0e21e LW |
4461 | } |
4462 | } | |
4463 | else { | |
4464 | if (gimme == G_ARRAY) | |
4465 | RETURN; | |
4466 | } | |
4467 | if (iters || !pm->op_pmreplroot) { | |
4468 | GETTARGET; | |
4469 | PUSHi(iters); | |
4470 | RETURN; | |
4471 | } | |
4472 | RETPUSHUNDEF; | |
79072805 | 4473 | } |
85e6fe83 | 4474 | |
c0329465 | 4475 | #ifdef USE_THREADS |
77a005ab | 4476 | void |
8ac85365 | 4477 | unlock_condpair(void *svv) |
c0329465 MB |
4478 | { |
4479 | dTHR; | |
4480 | MAGIC *mg = mg_find((SV*)svv, 'm'); | |
8ec5e241 | 4481 | |
c0329465 MB |
4482 | if (!mg) |
4483 | croak("panic: unlock_condpair unlocking non-mutex"); | |
4484 | MUTEX_LOCK(MgMUTEXP(mg)); | |
4485 | if (MgOWNER(mg) != thr) | |
4486 | croak("panic: unlock_condpair unlocking mutex that we don't own"); | |
4487 | MgOWNER(mg) = 0; | |
4488 | COND_SIGNAL(MgOWNERCONDP(mg)); | |
bc1f4c86 MB |
4489 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: unlock 0x%lx\n", |
4490 | (unsigned long)thr, (unsigned long)svv);) | |
c0329465 MB |
4491 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
4492 | } | |
4493 | #endif /* USE_THREADS */ | |
4494 | ||
4495 | PP(pp_lock) | |
4496 | { | |
4e35701f | 4497 | djSP; |
c0329465 | 4498 | dTOPss; |
e55aaa0e MB |
4499 | SV *retsv = sv; |
4500 | #ifdef USE_THREADS | |
c0329465 | 4501 | MAGIC *mg; |
8ec5e241 | 4502 | |
c0329465 MB |
4503 | if (SvROK(sv)) |
4504 | sv = SvRV(sv); | |
4505 | ||
4506 | mg = condpair_magic(sv); | |
4507 | MUTEX_LOCK(MgMUTEXP(mg)); | |
4508 | if (MgOWNER(mg) == thr) | |
4509 | MUTEX_UNLOCK(MgMUTEXP(mg)); | |
4510 | else { | |
4511 | while (MgOWNER(mg)) | |
4512 | COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg)); | |
4513 | MgOWNER(mg) = thr; | |
bc1f4c86 MB |
4514 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: pp_lock lock 0x%lx\n", |
4515 | (unsigned long)thr, (unsigned long)sv);) | |
c0329465 | 4516 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
e55aaa0e | 4517 | SvREFCNT_inc(sv); /* keep alive until magic_mutexfree */ |
c0329465 MB |
4518 | save_destructor(unlock_condpair, sv); |
4519 | } | |
4520 | #endif /* USE_THREADS */ | |
e55aaa0e MB |
4521 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
4522 | || SvTYPE(retsv) == SVt_PVCV) { | |
4523 | retsv = refto(retsv); | |
4524 | } | |
4525 | SETs(retsv); | |
c0329465 MB |
4526 | RETURN; |
4527 | } | |
a863c7d1 | 4528 | |
2faa37cc | 4529 | PP(pp_threadsv) |
a863c7d1 | 4530 | { |
12f917ad | 4531 | djSP; |
57d3b86d | 4532 | #ifdef USE_THREADS |
924508f0 | 4533 | EXTEND(SP, 1); |
533c011a NIS |
4534 | if (PL_op->op_private & OPpLVAL_INTRO) |
4535 | PUSHs(*save_threadsv(PL_op->op_targ)); | |
554b3eca | 4536 | else |
533c011a | 4537 | PUSHs(THREADSV(PL_op->op_targ)); |
fdb47d66 | 4538 | RETURN; |
a863c7d1 | 4539 | #else |
2faa37cc | 4540 | DIE("tried to access per-thread data in non-threaded perl"); |
a863c7d1 | 4541 | #endif /* USE_THREADS */ |
a863c7d1 | 4542 | } |