Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
3818b22b | 3 | * Copyright (c) 1991-2000, 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" | |
864dbfa3 | 16 | #define PERL_IN_PP_C |
79072805 LW |
17 | #include "perl.h" |
18 | ||
36477c24 | 19 | /* |
ef2d312d TH |
20 | * The compiler on Concurrent CX/UX systems has a subtle bug which only |
21 | * seems to show up when compiling pp.c - it generates the wrong double | |
22 | * precision constant value for (double)UV_MAX when used inline in the body | |
23 | * of the code below, so this makes a static variable up front (which the | |
24 | * compiler seems to get correct) and uses it in place of UV_MAX below. | |
25 | */ | |
26 | #ifdef CXUX_BROKEN_CONSTANT_CONVERT | |
27 | static double UV_MAX_cxux = ((double)UV_MAX); | |
8ec5e241 | 28 | #endif |
ef2d312d TH |
29 | |
30 | /* | |
96e4d5b1 | 31 | * Offset for integer pack/unpack. |
32 | * | |
33 | * On architectures where I16 and I32 aren't really 16 and 32 bits, | |
34 | * which for now are all Crays, pack and unpack have to play games. | |
35 | */ | |
36 | ||
37 | /* | |
38 | * These values are required for portability of pack() output. | |
39 | * If they're not right on your machine, then pack() and unpack() | |
40 | * wouldn't work right anyway; you'll need to apply the Cray hack. | |
41 | * (I'd like to check them with #if, but you can't use sizeof() in | |
dc45a647 MB |
42 | * the preprocessor.) --??? |
43 | */ | |
44 | /* | |
45 | The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE | |
46 | defines are now in config.h. --Andy Dougherty April 1998 | |
96e4d5b1 | 47 | */ |
48 | #define SIZE16 2 | |
49 | #define SIZE32 4 | |
50 | ||
9851f69c JH |
51 | /* CROSSCOMPILE and MULTIARCH are going to affect pp_pack() and pp_unpack(). |
52 | --jhi Feb 1999 */ | |
53 | ||
726ea183 JH |
54 | #if SHORTSIZE != SIZE16 || LONGSIZE != SIZE32 |
55 | # define PERL_NATINT_PACK | |
56 | #endif | |
57 | ||
0f9dfb06 | 58 | #if LONGSIZE > 4 && defined(_CRAY) |
96e4d5b1 | 59 | # if BYTEORDER == 0x12345678 |
60 | # define OFF16(p) (char*)(p) | |
61 | # define OFF32(p) (char*)(p) | |
62 | # else | |
63 | # if BYTEORDER == 0x87654321 | |
64 | # define OFF16(p) ((char*)(p) + (sizeof(U16) - SIZE16)) | |
65 | # define OFF32(p) ((char*)(p) + (sizeof(U32) - SIZE32)) | |
66 | # else | |
67 | }}}} bad cray byte order | |
68 | # endif | |
69 | # endif | |
70 | # define COPY16(s,p) (*(p) = 0, Copy(s, OFF16(p), SIZE16, char)) | |
71 | # define COPY32(s,p) (*(p) = 0, Copy(s, OFF32(p), SIZE32, char)) | |
ef54e1a4 | 72 | # define COPYNN(s,p,n) (*(p) = 0, Copy(s, (char *)(p), n, char)) |
96e4d5b1 | 73 | # define CAT16(sv,p) sv_catpvn(sv, OFF16(p), SIZE16) |
74 | # define CAT32(sv,p) sv_catpvn(sv, OFF32(p), SIZE32) | |
75 | #else | |
76 | # define COPY16(s,p) Copy(s, p, SIZE16, char) | |
77 | # define COPY32(s,p) Copy(s, p, SIZE32, char) | |
ef54e1a4 | 78 | # define COPYNN(s,p,n) Copy(s, (char *)(p), n, char) |
96e4d5b1 | 79 | # define CAT16(sv,p) sv_catpvn(sv, (char*)(p), SIZE16) |
80 | # define CAT32(sv,p) sv_catpvn(sv, (char*)(p), SIZE32) | |
81 | #endif | |
82 | ||
a0d0e21e | 83 | /* variations on pp_null */ |
79072805 | 84 | |
8ac85365 NIS |
85 | #ifdef I_UNISTD |
86 | #include <unistd.h> | |
87 | #endif | |
dfe9444c AD |
88 | |
89 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ | |
90 | it, since pid_t is an integral type. | |
91 | --AD 2/20/1998 | |
92 | */ | |
93 | #ifdef NEED_GETPID_PROTO | |
94 | extern Pid_t getpid (void); | |
8ac85365 NIS |
95 | #endif |
96 | ||
93a17b20 LW |
97 | PP(pp_stub) |
98 | { | |
4e35701f | 99 | djSP; |
54310121 | 100 | if (GIMME_V == G_SCALAR) |
3280af22 | 101 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
102 | RETURN; |
103 | } | |
104 | ||
79072805 LW |
105 | PP(pp_scalar) |
106 | { | |
107 | return NORMAL; | |
108 | } | |
109 | ||
110 | /* Pushy stuff. */ | |
111 | ||
93a17b20 LW |
112 | PP(pp_padav) |
113 | { | |
4e35701f | 114 | djSP; dTARGET; |
533c011a NIS |
115 | if (PL_op->op_private & OPpLVAL_INTRO) |
116 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
85e6fe83 | 117 | EXTEND(SP, 1); |
533c011a | 118 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 119 | PUSHs(TARG); |
93a17b20 | 120 | RETURN; |
85e6fe83 LW |
121 | } |
122 | if (GIMME == G_ARRAY) { | |
123 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
124 | EXTEND(SP, maxarg); | |
93965878 NIS |
125 | if (SvMAGICAL(TARG)) { |
126 | U32 i; | |
127 | for (i=0; i < maxarg; i++) { | |
128 | SV **svp = av_fetch((AV*)TARG, i, FALSE); | |
3280af22 | 129 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
130 | } |
131 | } | |
132 | else { | |
133 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
134 | } | |
85e6fe83 LW |
135 | SP += maxarg; |
136 | } | |
137 | else { | |
138 | SV* sv = sv_newmortal(); | |
139 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
140 | sv_setiv(sv, maxarg); | |
141 | PUSHs(sv); | |
142 | } | |
143 | RETURN; | |
93a17b20 LW |
144 | } |
145 | ||
146 | PP(pp_padhv) | |
147 | { | |
4e35701f | 148 | djSP; dTARGET; |
54310121 | 149 | I32 gimme; |
150 | ||
93a17b20 | 151 | XPUSHs(TARG); |
533c011a NIS |
152 | if (PL_op->op_private & OPpLVAL_INTRO) |
153 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
154 | if (PL_op->op_flags & OPf_REF) | |
93a17b20 | 155 | RETURN; |
54310121 | 156 | gimme = GIMME_V; |
157 | if (gimme == G_ARRAY) { | |
cea2e8a9 | 158 | RETURNOP(do_kv()); |
85e6fe83 | 159 | } |
54310121 | 160 | else if (gimme == G_SCALAR) { |
85e6fe83 | 161 | SV* sv = sv_newmortal(); |
46fc3d4c | 162 | if (HvFILL((HV*)TARG)) |
cea2e8a9 | 163 | Perl_sv_setpvf(aTHX_ sv, "%ld/%ld", |
46fc3d4c | 164 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); |
85e6fe83 LW |
165 | else |
166 | sv_setiv(sv, 0); | |
167 | SETs(sv); | |
85e6fe83 | 168 | } |
54310121 | 169 | RETURN; |
93a17b20 LW |
170 | } |
171 | ||
ed6116ce LW |
172 | PP(pp_padany) |
173 | { | |
cea2e8a9 | 174 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
ed6116ce LW |
175 | } |
176 | ||
79072805 LW |
177 | /* Translations. */ |
178 | ||
179 | PP(pp_rv2gv) | |
180 | { | |
853846ea | 181 | djSP; dTOPss; |
8ec5e241 | 182 | |
ed6116ce | 183 | if (SvROK(sv)) { |
a0d0e21e | 184 | wasref: |
f5284f61 IZ |
185 | tryAMAGICunDEREF(to_gv); |
186 | ||
ed6116ce | 187 | sv = SvRV(sv); |
b1dadf13 | 188 | if (SvTYPE(sv) == SVt_PVIO) { |
189 | GV *gv = (GV*) sv_newmortal(); | |
190 | gv_init(gv, 0, "", 0, 0); | |
191 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 192 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 193 | sv = (SV*) gv; |
ef54e1a4 JH |
194 | } |
195 | else if (SvTYPE(sv) != SVt_PVGV) | |
cea2e8a9 | 196 | DIE(aTHX_ "Not a GLOB reference"); |
79072805 LW |
197 | } |
198 | else { | |
93a17b20 | 199 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 | 200 | char *sym; |
c9d5ac95 | 201 | STRLEN len; |
748a9306 | 202 | |
a0d0e21e LW |
203 | if (SvGMAGICAL(sv)) { |
204 | mg_get(sv); | |
205 | if (SvROK(sv)) | |
206 | goto wasref; | |
207 | } | |
afd1915d | 208 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
853846ea NIS |
209 | /* If this is a 'my' scalar and flag is set then vivify |
210 | * NI-S 1999/05/07 | |
211 | */ | |
1d8d4d2a | 212 | if (PL_op->op_private & OPpDEREF) { |
2c8ac474 GS |
213 | char *name; |
214 | GV *gv; | |
215 | if (cUNOP->op_targ) { | |
216 | STRLEN len; | |
217 | SV *namesv = PL_curpad[cUNOP->op_targ]; | |
218 | name = SvPV(namesv, len); | |
2d6d9f7a | 219 | gv = (GV*)NEWSV(0,0); |
2c8ac474 GS |
220 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
221 | } | |
222 | else { | |
223 | name = CopSTASHPV(PL_curcop); | |
224 | gv = newGVgen(name); | |
1d8d4d2a | 225 | } |
853846ea | 226 | sv_upgrade(sv, SVt_RV); |
2c8ac474 | 227 | SvRV(sv) = (SV*)gv; |
853846ea | 228 | SvROK_on(sv); |
1d8d4d2a | 229 | SvSETMAGIC(sv); |
853846ea | 230 | goto wasref; |
2c8ac474 | 231 | } |
533c011a NIS |
232 | if (PL_op->op_flags & OPf_REF || |
233 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 234 | DIE(aTHX_ PL_no_usym, "a symbol"); |
599cee73 | 235 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 236 | report_uninit(); |
a0d0e21e LW |
237 | RETSETUNDEF; |
238 | } | |
c9d5ac95 | 239 | sym = SvPV(sv,len); |
35cd451c GS |
240 | if ((PL_op->op_flags & OPf_SPECIAL) && |
241 | !(PL_op->op_flags & OPf_MOD)) | |
242 | { | |
243 | sv = (SV*)gv_fetchpv(sym, FALSE, SVt_PVGV); | |
c9d5ac95 GS |
244 | if (!sv |
245 | && (!is_gv_magical(sym,len,0) | |
246 | || !(sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV)))) | |
247 | { | |
35cd451c | 248 | RETSETUNDEF; |
c9d5ac95 | 249 | } |
35cd451c GS |
250 | } |
251 | else { | |
252 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 253 | DIE(aTHX_ PL_no_symref, sym, "a symbol"); |
35cd451c GS |
254 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
255 | } | |
93a17b20 | 256 | } |
79072805 | 257 | } |
533c011a NIS |
258 | if (PL_op->op_private & OPpLVAL_INTRO) |
259 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
260 | SETs(sv); |
261 | RETURN; | |
262 | } | |
263 | ||
79072805 LW |
264 | PP(pp_rv2sv) |
265 | { | |
4e35701f | 266 | djSP; dTOPss; |
79072805 | 267 | |
ed6116ce | 268 | if (SvROK(sv)) { |
a0d0e21e | 269 | wasref: |
f5284f61 IZ |
270 | tryAMAGICunDEREF(to_sv); |
271 | ||
ed6116ce | 272 | sv = SvRV(sv); |
79072805 LW |
273 | switch (SvTYPE(sv)) { |
274 | case SVt_PVAV: | |
275 | case SVt_PVHV: | |
276 | case SVt_PVCV: | |
cea2e8a9 | 277 | DIE(aTHX_ "Not a SCALAR reference"); |
79072805 LW |
278 | } |
279 | } | |
280 | else { | |
f12c7020 | 281 | GV *gv = (GV*)sv; |
748a9306 | 282 | char *sym; |
c9d5ac95 | 283 | STRLEN len; |
748a9306 | 284 | |
463ee0b2 | 285 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
286 | if (SvGMAGICAL(sv)) { |
287 | mg_get(sv); | |
288 | if (SvROK(sv)) | |
289 | goto wasref; | |
290 | } | |
291 | if (!SvOK(sv)) { | |
533c011a NIS |
292 | if (PL_op->op_flags & OPf_REF || |
293 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 294 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
599cee73 | 295 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 296 | report_uninit(); |
a0d0e21e LW |
297 | RETSETUNDEF; |
298 | } | |
c9d5ac95 | 299 | sym = SvPV(sv, len); |
35cd451c GS |
300 | if ((PL_op->op_flags & OPf_SPECIAL) && |
301 | !(PL_op->op_flags & OPf_MOD)) | |
302 | { | |
303 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); | |
c9d5ac95 GS |
304 | if (!gv |
305 | && (!is_gv_magical(sym,len,0) | |
306 | || !(gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV)))) | |
307 | { | |
35cd451c | 308 | RETSETUNDEF; |
c9d5ac95 | 309 | } |
35cd451c GS |
310 | } |
311 | else { | |
312 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 313 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
35cd451c GS |
314 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
315 | } | |
463ee0b2 LW |
316 | } |
317 | sv = GvSV(gv); | |
a0d0e21e | 318 | } |
533c011a NIS |
319 | if (PL_op->op_flags & OPf_MOD) { |
320 | if (PL_op->op_private & OPpLVAL_INTRO) | |
a0d0e21e | 321 | sv = save_scalar((GV*)TOPs); |
533c011a NIS |
322 | else if (PL_op->op_private & OPpDEREF) |
323 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 324 | } |
a0d0e21e | 325 | SETs(sv); |
79072805 LW |
326 | RETURN; |
327 | } | |
328 | ||
329 | PP(pp_av2arylen) | |
330 | { | |
4e35701f | 331 | djSP; |
79072805 LW |
332 | AV *av = (AV*)TOPs; |
333 | SV *sv = AvARYLEN(av); | |
334 | if (!sv) { | |
335 | AvARYLEN(av) = sv = NEWSV(0,0); | |
336 | sv_upgrade(sv, SVt_IV); | |
337 | sv_magic(sv, (SV*)av, '#', Nullch, 0); | |
338 | } | |
339 | SETs(sv); | |
340 | RETURN; | |
341 | } | |
342 | ||
a0d0e21e LW |
343 | PP(pp_pos) |
344 | { | |
4e35701f | 345 | djSP; dTARGET; dPOPss; |
8ec5e241 | 346 | |
533c011a | 347 | if (PL_op->op_flags & OPf_MOD) { |
5f05dabc | 348 | if (SvTYPE(TARG) < SVt_PVLV) { |
349 | sv_upgrade(TARG, SVt_PVLV); | |
350 | sv_magic(TARG, Nullsv, '.', Nullch, 0); | |
351 | } | |
352 | ||
353 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
354 | if (LvTARG(TARG) != sv) { |
355 | if (LvTARG(TARG)) | |
356 | SvREFCNT_dec(LvTARG(TARG)); | |
357 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
358 | } | |
a0d0e21e LW |
359 | PUSHs(TARG); /* no SvSETMAGIC */ |
360 | RETURN; | |
361 | } | |
362 | else { | |
8ec5e241 | 363 | MAGIC* mg; |
a0d0e21e LW |
364 | |
365 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
366 | mg = mg_find(sv, 'g'); | |
565764a8 | 367 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 | 368 | I32 i = mg->mg_len; |
7e2040f0 | 369 | if (DO_UTF8(sv)) |
a0ed51b3 LW |
370 | sv_pos_b2u(sv, &i); |
371 | PUSHi(i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
372 | RETURN; |
373 | } | |
374 | } | |
375 | RETPUSHUNDEF; | |
376 | } | |
377 | } | |
378 | ||
79072805 LW |
379 | PP(pp_rv2cv) |
380 | { | |
4e35701f | 381 | djSP; |
79072805 LW |
382 | GV *gv; |
383 | HV *stash; | |
8990e307 | 384 | |
4633a7c4 LW |
385 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
386 | /* (But not in defined().) */ | |
533c011a | 387 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
07055b4c CS |
388 | if (cv) { |
389 | if (CvCLONE(cv)) | |
390 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
cd06dffe | 391 | if ((PL_op->op_private & OPpLVAL_INTRO) && !CvLVALUE(cv)) |
d470f89e | 392 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); |
07055b4c CS |
393 | } |
394 | else | |
3280af22 | 395 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
396 | SETs((SV*)cv); |
397 | RETURN; | |
398 | } | |
399 | ||
c07a80fd | 400 | PP(pp_prototype) |
401 | { | |
4e35701f | 402 | djSP; |
c07a80fd | 403 | CV *cv; |
404 | HV *stash; | |
405 | GV *gv; | |
406 | SV *ret; | |
407 | ||
3280af22 | 408 | ret = &PL_sv_undef; |
b6c543e3 IZ |
409 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
410 | char *s = SvPVX(TOPs); | |
411 | if (strnEQ(s, "CORE::", 6)) { | |
412 | int code; | |
413 | ||
414 | code = keyword(s + 6, SvCUR(TOPs) - 6); | |
415 | if (code < 0) { /* Overridable. */ | |
416 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
417 | int i = 0, n = 0, seen_question = 0; | |
418 | I32 oa; | |
419 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
420 | ||
421 | while (i < MAXO) { /* The slow way. */ | |
22c35a8c GS |
422 | if (strEQ(s + 6, PL_op_name[i]) |
423 | || strEQ(s + 6, PL_op_desc[i])) | |
424 | { | |
b6c543e3 | 425 | goto found; |
22c35a8c | 426 | } |
b6c543e3 IZ |
427 | i++; |
428 | } | |
429 | goto nonesuch; /* Should not happen... */ | |
430 | found: | |
22c35a8c | 431 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 IZ |
432 | while (oa) { |
433 | if (oa & OA_OPTIONAL) { | |
434 | seen_question = 1; | |
435 | str[n++] = ';'; | |
ef54e1a4 | 436 | } |
1c1fc3ea | 437 | else if (n && str[0] == ';' && seen_question) |
b6c543e3 IZ |
438 | goto set; /* XXXX system, exec */ |
439 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF | |
440 | && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) { | |
441 | str[n++] = '\\'; | |
442 | } | |
443 | /* What to do with R ((un)tie, tied, (sys)read, recv)? */ | |
444 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; | |
445 | oa = oa >> 4; | |
446 | } | |
447 | str[n++] = '\0'; | |
79cb57f6 | 448 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
449 | } |
450 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
451 | goto set; |
452 | else { /* None such */ | |
453 | nonesuch: | |
d470f89e | 454 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
455 | } |
456 | } | |
457 | } | |
c07a80fd | 458 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 459 | if (cv && SvPOK(cv)) |
79cb57f6 | 460 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
b6c543e3 | 461 | set: |
c07a80fd | 462 | SETs(ret); |
463 | RETURN; | |
464 | } | |
465 | ||
a0d0e21e LW |
466 | PP(pp_anoncode) |
467 | { | |
4e35701f | 468 | djSP; |
533c011a | 469 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
a5f75d66 | 470 | if (CvCLONE(cv)) |
b355b4e0 | 471 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 472 | EXTEND(SP,1); |
748a9306 | 473 | PUSHs((SV*)cv); |
a0d0e21e LW |
474 | RETURN; |
475 | } | |
476 | ||
477 | PP(pp_srefgen) | |
79072805 | 478 | { |
4e35701f | 479 | djSP; |
71be2cbc | 480 | *SP = refto(*SP); |
79072805 | 481 | RETURN; |
8ec5e241 | 482 | } |
a0d0e21e LW |
483 | |
484 | PP(pp_refgen) | |
485 | { | |
4e35701f | 486 | djSP; dMARK; |
a0d0e21e | 487 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
488 | if (++MARK <= SP) |
489 | *MARK = *SP; | |
490 | else | |
3280af22 | 491 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
492 | *MARK = refto(*MARK); |
493 | SP = MARK; | |
494 | RETURN; | |
a0d0e21e | 495 | } |
bbce6d69 | 496 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 497 | while (++MARK <= SP) |
498 | *MARK = refto(*MARK); | |
a0d0e21e | 499 | RETURN; |
79072805 LW |
500 | } |
501 | ||
76e3520e | 502 | STATIC SV* |
cea2e8a9 | 503 | S_refto(pTHX_ SV *sv) |
71be2cbc | 504 | { |
505 | SV* rv; | |
506 | ||
507 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
508 | if (LvTARGLEN(sv)) | |
68dc0745 | 509 | vivify_defelem(sv); |
510 | if (!(sv = LvTARG(sv))) | |
3280af22 | 511 | sv = &PL_sv_undef; |
0dd88869 | 512 | else |
a6c40364 | 513 | (void)SvREFCNT_inc(sv); |
71be2cbc | 514 | } |
d8b46c1b GS |
515 | else if (SvTYPE(sv) == SVt_PVAV) { |
516 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
517 | av_reify((AV*)sv); | |
518 | SvTEMP_off(sv); | |
519 | (void)SvREFCNT_inc(sv); | |
520 | } | |
71be2cbc | 521 | else if (SvPADTMP(sv)) |
522 | sv = newSVsv(sv); | |
523 | else { | |
524 | SvTEMP_off(sv); | |
525 | (void)SvREFCNT_inc(sv); | |
526 | } | |
527 | rv = sv_newmortal(); | |
528 | sv_upgrade(rv, SVt_RV); | |
529 | SvRV(rv) = sv; | |
530 | SvROK_on(rv); | |
531 | return rv; | |
532 | } | |
533 | ||
79072805 LW |
534 | PP(pp_ref) |
535 | { | |
4e35701f | 536 | djSP; dTARGET; |
463ee0b2 | 537 | SV *sv; |
79072805 LW |
538 | char *pv; |
539 | ||
a0d0e21e | 540 | sv = POPs; |
f12c7020 | 541 | |
542 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 543 | mg_get(sv); |
f12c7020 | 544 | |
a0d0e21e | 545 | if (!sv || !SvROK(sv)) |
4633a7c4 | 546 | RETPUSHNO; |
79072805 | 547 | |
ed6116ce | 548 | sv = SvRV(sv); |
a0d0e21e | 549 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 550 | PUSHp(pv, strlen(pv)); |
79072805 LW |
551 | RETURN; |
552 | } | |
553 | ||
554 | PP(pp_bless) | |
555 | { | |
4e35701f | 556 | djSP; |
463ee0b2 | 557 | HV *stash; |
79072805 | 558 | |
463ee0b2 | 559 | if (MAXARG == 1) |
11faa288 | 560 | stash = CopSTASH(PL_curcop); |
7b8d334a GS |
561 | else { |
562 | SV *ssv = POPs; | |
563 | STRLEN len; | |
81689caa HS |
564 | char *ptr; |
565 | ||
016a42f3 | 566 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
81689caa HS |
567 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
568 | ptr = SvPV(ssv,len); | |
e476b1b5 GS |
569 | if (ckWARN(WARN_MISC) && len == 0) |
570 | Perl_warner(aTHX_ WARN_MISC, | |
599cee73 | 571 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
572 | stash = gv_stashpvn(ptr, len, TRUE); |
573 | } | |
a0d0e21e | 574 | |
5d3fdfeb | 575 | (void)sv_bless(TOPs, stash); |
79072805 LW |
576 | RETURN; |
577 | } | |
578 | ||
fb73857a | 579 | PP(pp_gelem) |
580 | { | |
581 | GV *gv; | |
582 | SV *sv; | |
76e3520e | 583 | SV *tmpRef; |
fb73857a | 584 | char *elem; |
4e35701f | 585 | djSP; |
2d8e6c8d GS |
586 | STRLEN n_a; |
587 | ||
fb73857a | 588 | sv = POPs; |
2d8e6c8d | 589 | elem = SvPV(sv, n_a); |
fb73857a | 590 | gv = (GV*)POPs; |
76e3520e | 591 | tmpRef = Nullsv; |
fb73857a | 592 | sv = Nullsv; |
593 | switch (elem ? *elem : '\0') | |
594 | { | |
595 | case 'A': | |
596 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 597 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 598 | break; |
599 | case 'C': | |
600 | if (strEQ(elem, "CODE")) | |
76e3520e | 601 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 602 | break; |
603 | case 'F': | |
604 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ | |
76e3520e | 605 | tmpRef = (SV*)GvIOp(gv); |
f4d13ee9 JH |
606 | else |
607 | if (strEQ(elem, "FORMAT")) | |
608 | tmpRef = (SV*)GvFORM(gv); | |
fb73857a | 609 | break; |
610 | case 'G': | |
611 | if (strEQ(elem, "GLOB")) | |
76e3520e | 612 | tmpRef = (SV*)gv; |
fb73857a | 613 | break; |
614 | case 'H': | |
615 | if (strEQ(elem, "HASH")) | |
76e3520e | 616 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 617 | break; |
618 | case 'I': | |
619 | if (strEQ(elem, "IO")) | |
76e3520e | 620 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 621 | break; |
622 | case 'N': | |
623 | if (strEQ(elem, "NAME")) | |
79cb57f6 | 624 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
fb73857a | 625 | break; |
626 | case 'P': | |
627 | if (strEQ(elem, "PACKAGE")) | |
628 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
629 | break; | |
630 | case 'S': | |
631 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 632 | tmpRef = GvSV(gv); |
fb73857a | 633 | break; |
634 | } | |
76e3520e GS |
635 | if (tmpRef) |
636 | sv = newRV(tmpRef); | |
fb73857a | 637 | if (sv) |
638 | sv_2mortal(sv); | |
639 | else | |
3280af22 | 640 | sv = &PL_sv_undef; |
fb73857a | 641 | XPUSHs(sv); |
642 | RETURN; | |
643 | } | |
644 | ||
a0d0e21e | 645 | /* Pattern matching */ |
79072805 | 646 | |
a0d0e21e | 647 | PP(pp_study) |
79072805 | 648 | { |
4e35701f | 649 | djSP; dPOPss; |
a0d0e21e LW |
650 | register unsigned char *s; |
651 | register I32 pos; | |
652 | register I32 ch; | |
653 | register I32 *sfirst; | |
654 | register I32 *snext; | |
a0d0e21e LW |
655 | STRLEN len; |
656 | ||
3280af22 | 657 | if (sv == PL_lastscream) { |
1e422769 | 658 | if (SvSCREAM(sv)) |
659 | RETPUSHYES; | |
660 | } | |
c07a80fd | 661 | else { |
3280af22 NIS |
662 | if (PL_lastscream) { |
663 | SvSCREAM_off(PL_lastscream); | |
664 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 665 | } |
3280af22 | 666 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 667 | } |
1e422769 | 668 | |
669 | s = (unsigned char*)(SvPV(sv, len)); | |
670 | pos = len; | |
671 | if (pos <= 0) | |
672 | RETPUSHNO; | |
3280af22 NIS |
673 | if (pos > PL_maxscream) { |
674 | if (PL_maxscream < 0) { | |
675 | PL_maxscream = pos + 80; | |
676 | New(301, PL_screamfirst, 256, I32); | |
677 | New(302, PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
678 | } |
679 | else { | |
3280af22 NIS |
680 | PL_maxscream = pos + pos / 4; |
681 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 682 | } |
79072805 | 683 | } |
a0d0e21e | 684 | |
3280af22 NIS |
685 | sfirst = PL_screamfirst; |
686 | snext = PL_screamnext; | |
a0d0e21e LW |
687 | |
688 | if (!sfirst || !snext) | |
cea2e8a9 | 689 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
690 | |
691 | for (ch = 256; ch; --ch) | |
692 | *sfirst++ = -1; | |
693 | sfirst -= 256; | |
694 | ||
695 | while (--pos >= 0) { | |
696 | ch = s[pos]; | |
697 | if (sfirst[ch] >= 0) | |
698 | snext[pos] = sfirst[ch] - pos; | |
699 | else | |
700 | snext[pos] = -pos; | |
701 | sfirst[ch] = pos; | |
79072805 LW |
702 | } |
703 | ||
c07a80fd | 704 | SvSCREAM_on(sv); |
464e2e8a | 705 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
1e422769 | 706 | RETPUSHYES; |
79072805 LW |
707 | } |
708 | ||
a0d0e21e | 709 | PP(pp_trans) |
79072805 | 710 | { |
4e35701f | 711 | djSP; dTARG; |
a0d0e21e LW |
712 | SV *sv; |
713 | ||
533c011a | 714 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 715 | sv = POPs; |
79072805 | 716 | else { |
54b9620d | 717 | sv = DEFSV; |
a0d0e21e | 718 | EXTEND(SP,1); |
79072805 | 719 | } |
adbc6bb1 | 720 | TARG = sv_newmortal(); |
4757a243 | 721 | PUSHi(do_trans(sv)); |
a0d0e21e | 722 | RETURN; |
79072805 LW |
723 | } |
724 | ||
a0d0e21e | 725 | /* Lvalue operators. */ |
79072805 | 726 | |
a0d0e21e LW |
727 | PP(pp_schop) |
728 | { | |
4e35701f | 729 | djSP; dTARGET; |
a0d0e21e LW |
730 | do_chop(TARG, TOPs); |
731 | SETTARG; | |
732 | RETURN; | |
79072805 LW |
733 | } |
734 | ||
a0d0e21e | 735 | PP(pp_chop) |
79072805 | 736 | { |
4e35701f | 737 | djSP; dMARK; dTARGET; |
a0d0e21e LW |
738 | while (SP > MARK) |
739 | do_chop(TARG, POPs); | |
740 | PUSHTARG; | |
741 | RETURN; | |
79072805 LW |
742 | } |
743 | ||
a0d0e21e | 744 | PP(pp_schomp) |
79072805 | 745 | { |
4e35701f | 746 | djSP; dTARGET; |
a0d0e21e LW |
747 | SETi(do_chomp(TOPs)); |
748 | RETURN; | |
79072805 LW |
749 | } |
750 | ||
a0d0e21e | 751 | PP(pp_chomp) |
79072805 | 752 | { |
4e35701f | 753 | djSP; dMARK; dTARGET; |
a0d0e21e | 754 | register I32 count = 0; |
8ec5e241 | 755 | |
a0d0e21e LW |
756 | while (SP > MARK) |
757 | count += do_chomp(POPs); | |
758 | PUSHi(count); | |
759 | RETURN; | |
79072805 LW |
760 | } |
761 | ||
a0d0e21e | 762 | PP(pp_defined) |
463ee0b2 | 763 | { |
4e35701f | 764 | djSP; |
a0d0e21e LW |
765 | register SV* sv; |
766 | ||
767 | sv = POPs; | |
768 | if (!sv || !SvANY(sv)) | |
769 | RETPUSHNO; | |
770 | switch (SvTYPE(sv)) { | |
771 | case SVt_PVAV: | |
6051dbdb | 772 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
773 | RETPUSHYES; |
774 | break; | |
775 | case SVt_PVHV: | |
6051dbdb | 776 | if (HvARRAY(sv) || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
777 | RETPUSHYES; |
778 | break; | |
779 | case SVt_PVCV: | |
780 | if (CvROOT(sv) || CvXSUB(sv)) | |
781 | RETPUSHYES; | |
782 | break; | |
783 | default: | |
784 | if (SvGMAGICAL(sv)) | |
785 | mg_get(sv); | |
786 | if (SvOK(sv)) | |
787 | RETPUSHYES; | |
788 | } | |
789 | RETPUSHNO; | |
463ee0b2 LW |
790 | } |
791 | ||
a0d0e21e LW |
792 | PP(pp_undef) |
793 | { | |
4e35701f | 794 | djSP; |
a0d0e21e LW |
795 | SV *sv; |
796 | ||
533c011a | 797 | if (!PL_op->op_private) { |
774d564b | 798 | EXTEND(SP, 1); |
a0d0e21e | 799 | RETPUSHUNDEF; |
774d564b | 800 | } |
79072805 | 801 | |
a0d0e21e LW |
802 | sv = POPs; |
803 | if (!sv) | |
804 | RETPUSHUNDEF; | |
85e6fe83 | 805 | |
6fc92669 GS |
806 | if (SvTHINKFIRST(sv)) |
807 | sv_force_normal(sv); | |
85e6fe83 | 808 | |
a0d0e21e LW |
809 | switch (SvTYPE(sv)) { |
810 | case SVt_NULL: | |
811 | break; | |
812 | case SVt_PVAV: | |
813 | av_undef((AV*)sv); | |
814 | break; | |
815 | case SVt_PVHV: | |
816 | hv_undef((HV*)sv); | |
817 | break; | |
818 | case SVt_PVCV: | |
e476b1b5 GS |
819 | if (ckWARN(WARN_MISC) && cv_const_sv((CV*)sv)) |
820 | Perl_warner(aTHX_ WARN_MISC, "Constant subroutine %s undefined", | |
54310121 | 821 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 822 | /* FALL THROUGH */ |
823 | case SVt_PVFM: | |
6fc92669 GS |
824 | { |
825 | /* let user-undef'd sub keep its identity */ | |
826 | GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv)); | |
827 | cv_undef((CV*)sv); | |
828 | CvGV((CV*)sv) = gv; | |
829 | } | |
a0d0e21e | 830 | break; |
8e07c86e | 831 | case SVt_PVGV: |
44a8e56a | 832 | if (SvFAKE(sv)) |
3280af22 | 833 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
834 | else { |
835 | GP *gp; | |
836 | gp_free((GV*)sv); | |
837 | Newz(602, gp, 1, GP); | |
838 | GvGP(sv) = gp_ref(gp); | |
839 | GvSV(sv) = NEWSV(72,0); | |
57843af0 | 840 | GvLINE(sv) = CopLINE(PL_curcop); |
20408e3c GS |
841 | GvEGV(sv) = (GV*)sv; |
842 | GvMULTI_on(sv); | |
843 | } | |
44a8e56a | 844 | break; |
a0d0e21e | 845 | default: |
1e422769 | 846 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
847 | (void)SvOOK_off(sv); |
848 | Safefree(SvPVX(sv)); | |
849 | SvPV_set(sv, Nullch); | |
850 | SvLEN_set(sv, 0); | |
a0d0e21e | 851 | } |
4633a7c4 LW |
852 | (void)SvOK_off(sv); |
853 | SvSETMAGIC(sv); | |
79072805 | 854 | } |
a0d0e21e LW |
855 | |
856 | RETPUSHUNDEF; | |
79072805 LW |
857 | } |
858 | ||
a0d0e21e | 859 | PP(pp_predec) |
79072805 | 860 | { |
4e35701f | 861 | djSP; |
68dc0745 | 862 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 863 | DIE(aTHX_ PL_no_modify); |
25da4f38 | 864 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 865 | SvIVX(TOPs) != IV_MIN) |
866 | { | |
748a9306 | 867 | --SvIVX(TOPs); |
55497cff | 868 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
869 | } |
870 | else | |
871 | sv_dec(TOPs); | |
a0d0e21e LW |
872 | SvSETMAGIC(TOPs); |
873 | return NORMAL; | |
874 | } | |
79072805 | 875 | |
a0d0e21e LW |
876 | PP(pp_postinc) |
877 | { | |
4e35701f | 878 | djSP; dTARGET; |
68dc0745 | 879 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 880 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 881 | sv_setsv(TARG, TOPs); |
25da4f38 | 882 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 883 | SvIVX(TOPs) != IV_MAX) |
884 | { | |
748a9306 | 885 | ++SvIVX(TOPs); |
55497cff | 886 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
887 | } |
888 | else | |
889 | sv_inc(TOPs); | |
a0d0e21e LW |
890 | SvSETMAGIC(TOPs); |
891 | if (!SvOK(TARG)) | |
892 | sv_setiv(TARG, 0); | |
893 | SETs(TARG); | |
894 | return NORMAL; | |
895 | } | |
79072805 | 896 | |
a0d0e21e LW |
897 | PP(pp_postdec) |
898 | { | |
4e35701f | 899 | djSP; dTARGET; |
43192e07 | 900 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 901 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 902 | sv_setsv(TARG, TOPs); |
25da4f38 | 903 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 904 | SvIVX(TOPs) != IV_MIN) |
905 | { | |
748a9306 | 906 | --SvIVX(TOPs); |
55497cff | 907 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
908 | } |
909 | else | |
910 | sv_dec(TOPs); | |
a0d0e21e LW |
911 | SvSETMAGIC(TOPs); |
912 | SETs(TARG); | |
913 | return NORMAL; | |
914 | } | |
79072805 | 915 | |
a0d0e21e LW |
916 | /* Ordinary operators. */ |
917 | ||
918 | PP(pp_pow) | |
919 | { | |
8ec5e241 | 920 | djSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
921 | { |
922 | dPOPTOPnnrl; | |
73b309ea | 923 | SETn( Perl_pow( left, right) ); |
a0d0e21e | 924 | RETURN; |
93a17b20 | 925 | } |
a0d0e21e LW |
926 | } |
927 | ||
928 | PP(pp_multiply) | |
929 | { | |
8ec5e241 | 930 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
931 | { |
932 | dPOPTOPnnrl; | |
933 | SETn( left * right ); | |
934 | RETURN; | |
79072805 | 935 | } |
a0d0e21e LW |
936 | } |
937 | ||
938 | PP(pp_divide) | |
939 | { | |
8ec5e241 | 940 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e | 941 | { |
77676ba1 | 942 | dPOPPOPnnrl; |
65202027 | 943 | NV value; |
7a4c00b4 | 944 | if (right == 0.0) |
cea2e8a9 | 945 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
946 | #ifdef SLOPPYDIVIDE |
947 | /* insure that 20./5. == 4. */ | |
948 | { | |
7a4c00b4 | 949 | IV k; |
65202027 DS |
950 | if ((NV)I_V(left) == left && |
951 | (NV)I_V(right) == right && | |
7a4c00b4 | 952 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { |
a0d0e21e | 953 | value = k; |
ef54e1a4 JH |
954 | } |
955 | else { | |
7a4c00b4 | 956 | value = left / right; |
79072805 | 957 | } |
a0d0e21e LW |
958 | } |
959 | #else | |
7a4c00b4 | 960 | value = left / right; |
a0d0e21e LW |
961 | #endif |
962 | PUSHn( value ); | |
963 | RETURN; | |
79072805 | 964 | } |
a0d0e21e LW |
965 | } |
966 | ||
967 | PP(pp_modulo) | |
968 | { | |
76e3520e | 969 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 970 | { |
787eafbd IZ |
971 | UV left; |
972 | UV right; | |
973 | bool left_neg; | |
974 | bool right_neg; | |
975 | bool use_double = 0; | |
65202027 DS |
976 | NV dright; |
977 | NV dleft; | |
787eafbd | 978 | |
d658dc55 | 979 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
787eafbd IZ |
980 | IV i = SvIVX(POPs); |
981 | right = (right_neg = (i < 0)) ? -i : i; | |
982 | } | |
983 | else { | |
984 | dright = POPn; | |
985 | use_double = 1; | |
986 | right_neg = dright < 0; | |
987 | if (right_neg) | |
988 | dright = -dright; | |
989 | } | |
a0d0e21e | 990 | |
d658dc55 | 991 | if (!use_double && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
787eafbd IZ |
992 | IV i = SvIVX(POPs); |
993 | left = (left_neg = (i < 0)) ? -i : i; | |
994 | } | |
995 | else { | |
996 | dleft = POPn; | |
997 | if (!use_double) { | |
a1bd196e GS |
998 | use_double = 1; |
999 | dright = right; | |
787eafbd IZ |
1000 | } |
1001 | left_neg = dleft < 0; | |
1002 | if (left_neg) | |
1003 | dleft = -dleft; | |
1004 | } | |
68dc0745 | 1005 | |
787eafbd | 1006 | if (use_double) { |
65202027 | 1007 | NV dans; |
787eafbd IZ |
1008 | |
1009 | #if 1 | |
787eafbd IZ |
1010 | /* Somehow U_V is pessimized even if CASTFLAGS is 0 */ |
1011 | # if CASTFLAGS & 2 | |
1012 | # define CAST_D2UV(d) U_V(d) | |
1013 | # else | |
1014 | # define CAST_D2UV(d) ((UV)(d)) | |
1015 | # endif | |
a1bd196e GS |
1016 | /* Tried to do this only in the case DOUBLESIZE <= UV_SIZE, |
1017 | * or, in other words, precision of UV more than of NV. | |
1018 | * But in fact the approach below turned out to be an | |
1019 | * optimization - floor() may be slow */ | |
787eafbd IZ |
1020 | if (dright <= UV_MAX && dleft <= UV_MAX) { |
1021 | right = CAST_D2UV(dright); | |
1022 | left = CAST_D2UV(dleft); | |
1023 | goto do_uv; | |
1024 | } | |
1025 | #endif | |
1026 | ||
1027 | /* Backward-compatibility clause: */ | |
73b309ea JH |
1028 | dright = Perl_floor(dright + 0.5); |
1029 | dleft = Perl_floor(dleft + 0.5); | |
787eafbd IZ |
1030 | |
1031 | if (!dright) | |
cea2e8a9 | 1032 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd | 1033 | |
65202027 | 1034 | dans = Perl_fmod(dleft, dright); |
787eafbd IZ |
1035 | if ((left_neg != right_neg) && dans) |
1036 | dans = dright - dans; | |
1037 | if (right_neg) | |
1038 | dans = -dans; | |
1039 | sv_setnv(TARG, dans); | |
1040 | } | |
1041 | else { | |
1042 | UV ans; | |
1043 | ||
1044 | do_uv: | |
1045 | if (!right) | |
cea2e8a9 | 1046 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1047 | |
1048 | ans = left % right; | |
1049 | if ((left_neg != right_neg) && ans) | |
1050 | ans = right - ans; | |
1051 | if (right_neg) { | |
1052 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1053 | /* could change -foo to be (~foo)+1 instead */ | |
1054 | if (ans <= ~((UV)IV_MAX)+1) | |
1055 | sv_setiv(TARG, ~ans+1); | |
1056 | else | |
65202027 | 1057 | sv_setnv(TARG, -(NV)ans); |
787eafbd IZ |
1058 | } |
1059 | else | |
1060 | sv_setuv(TARG, ans); | |
1061 | } | |
1062 | PUSHTARG; | |
1063 | RETURN; | |
79072805 | 1064 | } |
a0d0e21e | 1065 | } |
79072805 | 1066 | |
a0d0e21e LW |
1067 | PP(pp_repeat) |
1068 | { | |
4e35701f | 1069 | djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1070 | { |
a0d0e21e | 1071 | register I32 count = POPi; |
533c011a | 1072 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
1073 | dMARK; |
1074 | I32 items = SP - MARK; | |
1075 | I32 max; | |
79072805 | 1076 | |
a0d0e21e LW |
1077 | max = items * count; |
1078 | MEXTEND(MARK, max); | |
1079 | if (count > 1) { | |
1080 | while (SP > MARK) { | |
1081 | if (*SP) | |
1082 | SvTEMP_off((*SP)); | |
1083 | SP--; | |
79072805 | 1084 | } |
a0d0e21e LW |
1085 | MARK++; |
1086 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1087 | items * sizeof(SV*), count - 1); | |
1088 | SP += max; | |
79072805 | 1089 | } |
a0d0e21e LW |
1090 | else if (count <= 0) |
1091 | SP -= items; | |
79072805 | 1092 | } |
a0d0e21e | 1093 | else { /* Note: mark already snarfed by pp_list */ |
dfcb284a | 1094 | SV *tmpstr = POPs; |
a0d0e21e | 1095 | STRLEN len; |
3aa33fe5 | 1096 | bool isutf = DO_UTF8(tmpstr); |
a0d0e21e | 1097 | |
a0d0e21e LW |
1098 | SvSetSV(TARG, tmpstr); |
1099 | SvPV_force(TARG, len); | |
8ebc5c01 | 1100 | if (count != 1) { |
1101 | if (count < 1) | |
1102 | SvCUR_set(TARG, 0); | |
1103 | else { | |
1104 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1105 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1106 | SvCUR(TARG) *= count; |
7a4c00b4 | 1107 | } |
a0d0e21e | 1108 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1109 | } |
dfcb284a GS |
1110 | if (isutf) |
1111 | (void)SvPOK_only_UTF8(TARG); | |
1112 | else | |
1113 | (void)SvPOK_only(TARG); | |
a0d0e21e | 1114 | PUSHTARG; |
79072805 | 1115 | } |
a0d0e21e | 1116 | RETURN; |
748a9306 | 1117 | } |
a0d0e21e | 1118 | } |
79072805 | 1119 | |
a0d0e21e LW |
1120 | PP(pp_subtract) |
1121 | { | |
8ec5e241 | 1122 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 1123 | { |
7a4c00b4 | 1124 | dPOPTOPnnrl_ul; |
a0d0e21e LW |
1125 | SETn( left - right ); |
1126 | RETURN; | |
79072805 | 1127 | } |
a0d0e21e | 1128 | } |
79072805 | 1129 | |
a0d0e21e LW |
1130 | PP(pp_left_shift) |
1131 | { | |
8ec5e241 | 1132 | djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1133 | { |
972b05a9 | 1134 | IV shift = POPi; |
d0ba1bd2 | 1135 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1136 | IV i = TOPi; |
1137 | SETi(i << shift); | |
d0ba1bd2 JH |
1138 | } |
1139 | else { | |
972b05a9 JH |
1140 | UV u = TOPu; |
1141 | SETu(u << shift); | |
d0ba1bd2 | 1142 | } |
55497cff | 1143 | RETURN; |
79072805 | 1144 | } |
a0d0e21e | 1145 | } |
79072805 | 1146 | |
a0d0e21e LW |
1147 | PP(pp_right_shift) |
1148 | { | |
8ec5e241 | 1149 | djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1150 | { |
972b05a9 | 1151 | IV shift = POPi; |
d0ba1bd2 | 1152 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1153 | IV i = TOPi; |
1154 | SETi(i >> shift); | |
d0ba1bd2 JH |
1155 | } |
1156 | else { | |
972b05a9 JH |
1157 | UV u = TOPu; |
1158 | SETu(u >> shift); | |
d0ba1bd2 | 1159 | } |
a0d0e21e | 1160 | RETURN; |
93a17b20 | 1161 | } |
79072805 LW |
1162 | } |
1163 | ||
a0d0e21e | 1164 | PP(pp_lt) |
79072805 | 1165 | { |
8ec5e241 | 1166 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1167 | { |
1168 | dPOPnv; | |
54310121 | 1169 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1170 | RETURN; |
79072805 | 1171 | } |
a0d0e21e | 1172 | } |
79072805 | 1173 | |
a0d0e21e LW |
1174 | PP(pp_gt) |
1175 | { | |
8ec5e241 | 1176 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1177 | { |
1178 | dPOPnv; | |
54310121 | 1179 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1180 | RETURN; |
79072805 | 1181 | } |
a0d0e21e LW |
1182 | } |
1183 | ||
1184 | PP(pp_le) | |
1185 | { | |
8ec5e241 | 1186 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1187 | { |
1188 | dPOPnv; | |
54310121 | 1189 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1190 | RETURN; |
79072805 | 1191 | } |
a0d0e21e LW |
1192 | } |
1193 | ||
1194 | PP(pp_ge) | |
1195 | { | |
8ec5e241 | 1196 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1197 | { |
1198 | dPOPnv; | |
54310121 | 1199 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1200 | RETURN; |
79072805 | 1201 | } |
a0d0e21e | 1202 | } |
79072805 | 1203 | |
a0d0e21e LW |
1204 | PP(pp_ne) |
1205 | { | |
8ec5e241 | 1206 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1207 | { |
1208 | dPOPnv; | |
54310121 | 1209 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1210 | RETURN; |
1211 | } | |
79072805 LW |
1212 | } |
1213 | ||
a0d0e21e | 1214 | PP(pp_ncmp) |
79072805 | 1215 | { |
8ec5e241 | 1216 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1217 | { |
1218 | dPOPTOPnnrl; | |
1219 | I32 value; | |
79072805 | 1220 | |
a3540c92 | 1221 | #ifdef Perl_isnan |
1ad04cfd JH |
1222 | if (Perl_isnan(left) || Perl_isnan(right)) { |
1223 | SETs(&PL_sv_undef); | |
1224 | RETURN; | |
1225 | } | |
1226 | value = (left > right) - (left < right); | |
1227 | #else | |
ff0cee69 | 1228 | if (left == right) |
a0d0e21e | 1229 | value = 0; |
a0d0e21e LW |
1230 | else if (left < right) |
1231 | value = -1; | |
44a8e56a | 1232 | else if (left > right) |
1233 | value = 1; | |
1234 | else { | |
3280af22 | 1235 | SETs(&PL_sv_undef); |
44a8e56a | 1236 | RETURN; |
1237 | } | |
1ad04cfd | 1238 | #endif |
a0d0e21e LW |
1239 | SETi(value); |
1240 | RETURN; | |
79072805 | 1241 | } |
a0d0e21e | 1242 | } |
79072805 | 1243 | |
a0d0e21e LW |
1244 | PP(pp_slt) |
1245 | { | |
8ec5e241 | 1246 | djSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1247 | { |
1248 | dPOPTOPssrl; | |
533c011a | 1249 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1250 | ? sv_cmp_locale(left, right) |
1251 | : sv_cmp(left, right)); | |
54310121 | 1252 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1253 | RETURN; |
1254 | } | |
79072805 LW |
1255 | } |
1256 | ||
a0d0e21e | 1257 | PP(pp_sgt) |
79072805 | 1258 | { |
8ec5e241 | 1259 | djSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1260 | { |
1261 | dPOPTOPssrl; | |
533c011a | 1262 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1263 | ? sv_cmp_locale(left, right) |
1264 | : sv_cmp(left, right)); | |
54310121 | 1265 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1266 | RETURN; |
1267 | } | |
1268 | } | |
79072805 | 1269 | |
a0d0e21e LW |
1270 | PP(pp_sle) |
1271 | { | |
8ec5e241 | 1272 | djSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1273 | { |
1274 | dPOPTOPssrl; | |
533c011a | 1275 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1276 | ? sv_cmp_locale(left, right) |
1277 | : sv_cmp(left, right)); | |
54310121 | 1278 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1279 | RETURN; |
79072805 | 1280 | } |
79072805 LW |
1281 | } |
1282 | ||
a0d0e21e LW |
1283 | PP(pp_sge) |
1284 | { | |
8ec5e241 | 1285 | djSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1286 | { |
1287 | dPOPTOPssrl; | |
533c011a | 1288 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1289 | ? sv_cmp_locale(left, right) |
1290 | : sv_cmp(left, right)); | |
54310121 | 1291 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1292 | RETURN; |
1293 | } | |
1294 | } | |
79072805 | 1295 | |
36477c24 | 1296 | PP(pp_seq) |
1297 | { | |
8ec5e241 | 1298 | djSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1299 | { |
1300 | dPOPTOPssrl; | |
54310121 | 1301 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1302 | RETURN; |
1303 | } | |
1304 | } | |
79072805 | 1305 | |
a0d0e21e | 1306 | PP(pp_sne) |
79072805 | 1307 | { |
8ec5e241 | 1308 | djSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1309 | { |
1310 | dPOPTOPssrl; | |
54310121 | 1311 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1312 | RETURN; |
463ee0b2 | 1313 | } |
79072805 LW |
1314 | } |
1315 | ||
a0d0e21e | 1316 | PP(pp_scmp) |
79072805 | 1317 | { |
4e35701f | 1318 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1319 | { |
1320 | dPOPTOPssrl; | |
533c011a | 1321 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1322 | ? sv_cmp_locale(left, right) |
1323 | : sv_cmp(left, right)); | |
1324 | SETi( cmp ); | |
a0d0e21e LW |
1325 | RETURN; |
1326 | } | |
1327 | } | |
79072805 | 1328 | |
55497cff | 1329 | PP(pp_bit_and) |
1330 | { | |
8ec5e241 | 1331 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1332 | { |
1333 | dPOPTOPssrl; | |
4633a7c4 | 1334 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 1335 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1336 | IV i = SvIV(left) & SvIV(right); |
1337 | SETi(i); | |
d0ba1bd2 JH |
1338 | } |
1339 | else { | |
972b05a9 JH |
1340 | UV u = SvUV(left) & SvUV(right); |
1341 | SETu(u); | |
d0ba1bd2 | 1342 | } |
a0d0e21e LW |
1343 | } |
1344 | else { | |
533c011a | 1345 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1346 | SETTARG; |
1347 | } | |
1348 | RETURN; | |
1349 | } | |
1350 | } | |
79072805 | 1351 | |
a0d0e21e LW |
1352 | PP(pp_bit_xor) |
1353 | { | |
8ec5e241 | 1354 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
1355 | { |
1356 | dPOPTOPssrl; | |
4633a7c4 | 1357 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 1358 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1359 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
1360 | SETi(i); | |
d0ba1bd2 JH |
1361 | } |
1362 | else { | |
972b05a9 JH |
1363 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
1364 | SETu(u); | |
d0ba1bd2 | 1365 | } |
a0d0e21e LW |
1366 | } |
1367 | else { | |
533c011a | 1368 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1369 | SETTARG; |
1370 | } | |
1371 | RETURN; | |
1372 | } | |
1373 | } | |
79072805 | 1374 | |
a0d0e21e LW |
1375 | PP(pp_bit_or) |
1376 | { | |
8ec5e241 | 1377 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
1378 | { |
1379 | dPOPTOPssrl; | |
4633a7c4 | 1380 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 1381 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1382 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
1383 | SETi(i); | |
d0ba1bd2 JH |
1384 | } |
1385 | else { | |
972b05a9 JH |
1386 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
1387 | SETu(u); | |
d0ba1bd2 | 1388 | } |
a0d0e21e LW |
1389 | } |
1390 | else { | |
533c011a | 1391 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1392 | SETTARG; |
1393 | } | |
1394 | RETURN; | |
79072805 | 1395 | } |
a0d0e21e | 1396 | } |
79072805 | 1397 | |
a0d0e21e LW |
1398 | PP(pp_negate) |
1399 | { | |
4e35701f | 1400 | djSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
1401 | { |
1402 | dTOPss; | |
4633a7c4 LW |
1403 | if (SvGMAGICAL(sv)) |
1404 | mg_get(sv); | |
9b0e499b GS |
1405 | if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv)) { |
1406 | if (SvIsUV(sv)) { | |
1407 | if (SvIVX(sv) == IV_MIN) { | |
1408 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ | |
1409 | RETURN; | |
1410 | } | |
1411 | else if (SvUVX(sv) <= IV_MAX) { | |
beccb14c | 1412 | SETi(-SvIVX(sv)); |
9b0e499b GS |
1413 | RETURN; |
1414 | } | |
1415 | } | |
1416 | else if (SvIVX(sv) != IV_MIN) { | |
1417 | SETi(-SvIVX(sv)); | |
1418 | RETURN; | |
1419 | } | |
1420 | } | |
1421 | if (SvNIOKp(sv)) | |
a0d0e21e | 1422 | SETn(-SvNV(sv)); |
4633a7c4 | 1423 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
1424 | STRLEN len; |
1425 | char *s = SvPV(sv, len); | |
bbce6d69 | 1426 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
1427 | sv_setpvn(TARG, "-", 1); |
1428 | sv_catsv(TARG, sv); | |
79072805 | 1429 | } |
a0d0e21e LW |
1430 | else if (*s == '+' || *s == '-') { |
1431 | sv_setsv(TARG, sv); | |
1432 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 1433 | } |
7e2040f0 | 1434 | else if (DO_UTF8(sv) && *(U8*)s >= 0xc0 && isIDFIRST_utf8((U8*)s)) { |
834a4ddd LW |
1435 | sv_setpvn(TARG, "-", 1); |
1436 | sv_catsv(TARG, sv); | |
1437 | } | |
79072805 | 1438 | else |
a0d0e21e LW |
1439 | sv_setnv(TARG, -SvNV(sv)); |
1440 | SETTARG; | |
79072805 | 1441 | } |
4633a7c4 LW |
1442 | else |
1443 | SETn(-SvNV(sv)); | |
79072805 | 1444 | } |
a0d0e21e | 1445 | RETURN; |
79072805 LW |
1446 | } |
1447 | ||
a0d0e21e | 1448 | PP(pp_not) |
79072805 | 1449 | { |
4e35701f | 1450 | djSP; tryAMAGICunSET(not); |
3280af22 | 1451 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 1452 | return NORMAL; |
79072805 LW |
1453 | } |
1454 | ||
a0d0e21e | 1455 | PP(pp_complement) |
79072805 | 1456 | { |
8ec5e241 | 1457 | djSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
1458 | { |
1459 | dTOPss; | |
4633a7c4 | 1460 | if (SvNIOKp(sv)) { |
d0ba1bd2 | 1461 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1462 | IV i = ~SvIV(sv); |
1463 | SETi(i); | |
d0ba1bd2 JH |
1464 | } |
1465 | else { | |
972b05a9 JH |
1466 | UV u = ~SvUV(sv); |
1467 | SETu(u); | |
d0ba1bd2 | 1468 | } |
a0d0e21e LW |
1469 | } |
1470 | else { | |
1471 | register char *tmps; | |
1472 | register long *tmpl; | |
55497cff | 1473 | register I32 anum; |
a0d0e21e LW |
1474 | STRLEN len; |
1475 | ||
1476 | SvSetSV(TARG, sv); | |
1477 | tmps = SvPV_force(TARG, len); | |
1478 | anum = len; | |
1479 | #ifdef LIBERAL | |
1480 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
1481 | *tmps = ~*tmps; | |
1482 | tmpl = (long*)tmps; | |
1483 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
1484 | *tmpl = ~*tmpl; | |
1485 | tmps = (char*)tmpl; | |
1486 | #endif | |
1487 | for ( ; anum > 0; anum--, tmps++) | |
1488 | *tmps = ~*tmps; | |
1489 | ||
1490 | SETs(TARG); | |
1491 | } | |
1492 | RETURN; | |
1493 | } | |
79072805 LW |
1494 | } |
1495 | ||
a0d0e21e LW |
1496 | /* integer versions of some of the above */ |
1497 | ||
a0d0e21e | 1498 | PP(pp_i_multiply) |
79072805 | 1499 | { |
8ec5e241 | 1500 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
1501 | { |
1502 | dPOPTOPiirl; | |
1503 | SETi( left * right ); | |
1504 | RETURN; | |
1505 | } | |
79072805 LW |
1506 | } |
1507 | ||
a0d0e21e | 1508 | PP(pp_i_divide) |
79072805 | 1509 | { |
8ec5e241 | 1510 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
1511 | { |
1512 | dPOPiv; | |
1513 | if (value == 0) | |
cea2e8a9 | 1514 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
1515 | value = POPi / value; |
1516 | PUSHi( value ); | |
1517 | RETURN; | |
1518 | } | |
79072805 LW |
1519 | } |
1520 | ||
a0d0e21e | 1521 | PP(pp_i_modulo) |
79072805 | 1522 | { |
76e3520e | 1523 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 1524 | { |
a0d0e21e | 1525 | dPOPTOPiirl; |
aa306039 | 1526 | if (!right) |
cea2e8a9 | 1527 | DIE(aTHX_ "Illegal modulus zero"); |
a0d0e21e LW |
1528 | SETi( left % right ); |
1529 | RETURN; | |
79072805 | 1530 | } |
79072805 LW |
1531 | } |
1532 | ||
a0d0e21e | 1533 | PP(pp_i_add) |
79072805 | 1534 | { |
8ec5e241 | 1535 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e LW |
1536 | { |
1537 | dPOPTOPiirl; | |
1538 | SETi( left + right ); | |
1539 | RETURN; | |
79072805 | 1540 | } |
79072805 LW |
1541 | } |
1542 | ||
a0d0e21e | 1543 | PP(pp_i_subtract) |
79072805 | 1544 | { |
8ec5e241 | 1545 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e LW |
1546 | { |
1547 | dPOPTOPiirl; | |
1548 | SETi( left - right ); | |
1549 | RETURN; | |
79072805 | 1550 | } |
79072805 LW |
1551 | } |
1552 | ||
a0d0e21e | 1553 | PP(pp_i_lt) |
79072805 | 1554 | { |
8ec5e241 | 1555 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1556 | { |
1557 | dPOPTOPiirl; | |
54310121 | 1558 | SETs(boolSV(left < right)); |
a0d0e21e LW |
1559 | RETURN; |
1560 | } | |
79072805 LW |
1561 | } |
1562 | ||
a0d0e21e | 1563 | PP(pp_i_gt) |
79072805 | 1564 | { |
8ec5e241 | 1565 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1566 | { |
1567 | dPOPTOPiirl; | |
54310121 | 1568 | SETs(boolSV(left > right)); |
a0d0e21e LW |
1569 | RETURN; |
1570 | } | |
79072805 LW |
1571 | } |
1572 | ||
a0d0e21e | 1573 | PP(pp_i_le) |
79072805 | 1574 | { |
8ec5e241 | 1575 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1576 | { |
1577 | dPOPTOPiirl; | |
54310121 | 1578 | SETs(boolSV(left <= right)); |
a0d0e21e | 1579 | RETURN; |
85e6fe83 | 1580 | } |
79072805 LW |
1581 | } |
1582 | ||
a0d0e21e | 1583 | PP(pp_i_ge) |
79072805 | 1584 | { |
8ec5e241 | 1585 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1586 | { |
1587 | dPOPTOPiirl; | |
54310121 | 1588 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
1589 | RETURN; |
1590 | } | |
79072805 LW |
1591 | } |
1592 | ||
a0d0e21e | 1593 | PP(pp_i_eq) |
79072805 | 1594 | { |
8ec5e241 | 1595 | djSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
1596 | { |
1597 | dPOPTOPiirl; | |
54310121 | 1598 | SETs(boolSV(left == right)); |
a0d0e21e LW |
1599 | RETURN; |
1600 | } | |
79072805 LW |
1601 | } |
1602 | ||
a0d0e21e | 1603 | PP(pp_i_ne) |
79072805 | 1604 | { |
8ec5e241 | 1605 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1606 | { |
1607 | dPOPTOPiirl; | |
54310121 | 1608 | SETs(boolSV(left != right)); |
a0d0e21e LW |
1609 | RETURN; |
1610 | } | |
79072805 LW |
1611 | } |
1612 | ||
a0d0e21e | 1613 | PP(pp_i_ncmp) |
79072805 | 1614 | { |
8ec5e241 | 1615 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1616 | { |
1617 | dPOPTOPiirl; | |
1618 | I32 value; | |
79072805 | 1619 | |
a0d0e21e | 1620 | if (left > right) |
79072805 | 1621 | value = 1; |
a0d0e21e | 1622 | else if (left < right) |
79072805 | 1623 | value = -1; |
a0d0e21e | 1624 | else |
79072805 | 1625 | value = 0; |
a0d0e21e LW |
1626 | SETi(value); |
1627 | RETURN; | |
79072805 | 1628 | } |
85e6fe83 LW |
1629 | } |
1630 | ||
1631 | PP(pp_i_negate) | |
1632 | { | |
4e35701f | 1633 | djSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
1634 | SETi(-TOPi); |
1635 | RETURN; | |
1636 | } | |
1637 | ||
79072805 LW |
1638 | /* High falutin' math. */ |
1639 | ||
1640 | PP(pp_atan2) | |
1641 | { | |
8ec5e241 | 1642 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
1643 | { |
1644 | dPOPTOPnnrl; | |
65202027 | 1645 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
1646 | RETURN; |
1647 | } | |
79072805 LW |
1648 | } |
1649 | ||
1650 | PP(pp_sin) | |
1651 | { | |
4e35701f | 1652 | djSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 1653 | { |
65202027 | 1654 | NV value; |
a0d0e21e | 1655 | value = POPn; |
65202027 | 1656 | value = Perl_sin(value); |
a0d0e21e LW |
1657 | XPUSHn(value); |
1658 | RETURN; | |
1659 | } | |
79072805 LW |
1660 | } |
1661 | ||
1662 | PP(pp_cos) | |
1663 | { | |
4e35701f | 1664 | djSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 1665 | { |
65202027 | 1666 | NV value; |
a0d0e21e | 1667 | value = POPn; |
65202027 | 1668 | value = Perl_cos(value); |
a0d0e21e LW |
1669 | XPUSHn(value); |
1670 | RETURN; | |
1671 | } | |
79072805 LW |
1672 | } |
1673 | ||
56cb0a1c AD |
1674 | /* Support Configure command-line overrides for rand() functions. |
1675 | After 5.005, perhaps we should replace this by Configure support | |
1676 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
1677 | compatibility by calling rand() but allow the user to override it. | |
1678 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
1679 | */ | |
85ab1d1d JH |
1680 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
1681 | in addition to rand(). So the overrides should not be needed any more. | |
1682 | --Jarkko Hietaniemi 27 September 1998 | |
1683 | */ | |
1684 | ||
1685 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 1686 | extern double drand48 (void); |
56cb0a1c AD |
1687 | #endif |
1688 | ||
79072805 LW |
1689 | PP(pp_rand) |
1690 | { | |
4e35701f | 1691 | djSP; dTARGET; |
65202027 | 1692 | NV value; |
79072805 LW |
1693 | if (MAXARG < 1) |
1694 | value = 1.0; | |
1695 | else | |
1696 | value = POPn; | |
1697 | if (value == 0.0) | |
1698 | value = 1.0; | |
80252599 | 1699 | if (!PL_srand_called) { |
85ab1d1d | 1700 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 1701 | PL_srand_called = TRUE; |
93dc8474 | 1702 | } |
85ab1d1d | 1703 | value *= Drand01(); |
79072805 LW |
1704 | XPUSHn(value); |
1705 | RETURN; | |
1706 | } | |
1707 | ||
1708 | PP(pp_srand) | |
1709 | { | |
4e35701f | 1710 | djSP; |
93dc8474 CS |
1711 | UV anum; |
1712 | if (MAXARG < 1) | |
1713 | anum = seed(); | |
79072805 | 1714 | else |
93dc8474 | 1715 | anum = POPu; |
85ab1d1d | 1716 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 1717 | PL_srand_called = TRUE; |
79072805 LW |
1718 | EXTEND(SP, 1); |
1719 | RETPUSHYES; | |
1720 | } | |
1721 | ||
76e3520e | 1722 | STATIC U32 |
cea2e8a9 | 1723 | S_seed(pTHX) |
93dc8474 | 1724 | { |
54310121 | 1725 | /* |
1726 | * This is really just a quick hack which grabs various garbage | |
1727 | * values. It really should be a real hash algorithm which | |
1728 | * spreads the effect of every input bit onto every output bit, | |
85ab1d1d | 1729 | * if someone who knows about such things would bother to write it. |
54310121 | 1730 | * Might be a good idea to add that function to CORE as well. |
85ab1d1d | 1731 | * No numbers below come from careful analysis or anything here, |
54310121 | 1732 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
1733 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
1734 | * probably be bigger too. | |
1735 | */ | |
1736 | #if RANDBITS > 16 | |
1737 | # define SEED_C1 1000003 | |
1738 | #define SEED_C4 73819 | |
1739 | #else | |
1740 | # define SEED_C1 25747 | |
1741 | #define SEED_C4 20639 | |
1742 | #endif | |
1743 | #define SEED_C2 3 | |
1744 | #define SEED_C3 269 | |
1745 | #define SEED_C5 26107 | |
1746 | ||
e858de61 | 1747 | dTHR; |
73c60299 RS |
1748 | #ifndef PERL_NO_DEV_RANDOM |
1749 | int fd; | |
1750 | #endif | |
93dc8474 | 1751 | U32 u; |
f12c7020 | 1752 | #ifdef VMS |
1753 | # include <starlet.h> | |
43c92808 HF |
1754 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
1755 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 | 1756 | unsigned int when[2]; |
73c60299 RS |
1757 | #else |
1758 | # ifdef HAS_GETTIMEOFDAY | |
1759 | struct timeval when; | |
1760 | # else | |
1761 | Time_t when; | |
1762 | # endif | |
1763 | #endif | |
1764 | ||
1765 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
1766 | #ifndef PERL_NO_DEV_RANDOM | |
1767 | #ifndef PERL_RANDOM_DEVICE | |
1768 | /* /dev/random isn't used by default because reads from it will block | |
1769 | * if there isn't enough entropy available. You can compile with | |
1770 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
1771 | * is enough real entropy to fill the seed. */ | |
1772 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
1773 | #endif | |
1774 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
1775 | if (fd != -1) { | |
1776 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
1777 | u = 0; | |
1778 | PerlLIO_close(fd); | |
1779 | if (u) | |
1780 | return u; | |
1781 | } | |
1782 | #endif | |
1783 | ||
1784 | #ifdef VMS | |
93dc8474 | 1785 | _ckvmssts(sys$gettim(when)); |
54310121 | 1786 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 1787 | #else |
5f05dabc | 1788 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 | 1789 | gettimeofday(&when,(struct timezone *) 0); |
54310121 | 1790 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 1791 | # else |
93dc8474 | 1792 | (void)time(&when); |
54310121 | 1793 | u = (U32)SEED_C1 * when; |
f12c7020 | 1794 | # endif |
1795 | #endif | |
7766f137 | 1796 | u += SEED_C3 * (U32)PerlProc_getpid(); |
56431972 | 1797 | u += SEED_C4 * (U32)PTR2UV(PL_stack_sp); |
54310121 | 1798 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
56431972 | 1799 | u += SEED_C5 * (U32)PTR2UV(&when); |
f12c7020 | 1800 | #endif |
93dc8474 | 1801 | return u; |
79072805 LW |
1802 | } |
1803 | ||
1804 | PP(pp_exp) | |
1805 | { | |
4e35701f | 1806 | djSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 1807 | { |
65202027 | 1808 | NV value; |
a0d0e21e | 1809 | value = POPn; |
65202027 | 1810 | value = Perl_exp(value); |
a0d0e21e LW |
1811 | XPUSHn(value); |
1812 | RETURN; | |
1813 | } | |
79072805 LW |
1814 | } |
1815 | ||
1816 | PP(pp_log) | |
1817 | { | |
4e35701f | 1818 | djSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 1819 | { |
65202027 | 1820 | NV value; |
a0d0e21e | 1821 | value = POPn; |
bbce6d69 | 1822 | if (value <= 0.0) { |
f93f4e46 | 1823 | SET_NUMERIC_STANDARD(); |
cea2e8a9 | 1824 | DIE(aTHX_ "Can't take log of %g", value); |
bbce6d69 | 1825 | } |
65202027 | 1826 | value = Perl_log(value); |
a0d0e21e LW |
1827 | XPUSHn(value); |
1828 | RETURN; | |
1829 | } | |
79072805 LW |
1830 | } |
1831 | ||
1832 | PP(pp_sqrt) | |
1833 | { | |
4e35701f | 1834 | djSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 1835 | { |
65202027 | 1836 | NV value; |
a0d0e21e | 1837 | value = POPn; |
bbce6d69 | 1838 | if (value < 0.0) { |
f93f4e46 | 1839 | SET_NUMERIC_STANDARD(); |
cea2e8a9 | 1840 | DIE(aTHX_ "Can't take sqrt of %g", value); |
bbce6d69 | 1841 | } |
65202027 | 1842 | value = Perl_sqrt(value); |
a0d0e21e LW |
1843 | XPUSHn(value); |
1844 | RETURN; | |
1845 | } | |
79072805 LW |
1846 | } |
1847 | ||
1848 | PP(pp_int) | |
1849 | { | |
4e35701f | 1850 | djSP; dTARGET; |
774d564b | 1851 | { |
65202027 | 1852 | NV value = TOPn; |
774d564b | 1853 | IV iv; |
1854 | ||
1855 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) { | |
1856 | iv = SvIVX(TOPs); | |
1857 | SETi(iv); | |
1858 | } | |
1859 | else { | |
1860 | if (value >= 0.0) | |
65202027 | 1861 | (void)Perl_modf(value, &value); |
774d564b | 1862 | else { |
65202027 | 1863 | (void)Perl_modf(-value, &value); |
774d564b | 1864 | value = -value; |
1865 | } | |
1866 | iv = I_V(value); | |
1867 | if (iv == value) | |
1868 | SETi(iv); | |
1869 | else | |
1870 | SETn(value); | |
1871 | } | |
79072805 | 1872 | } |
79072805 LW |
1873 | RETURN; |
1874 | } | |
1875 | ||
463ee0b2 LW |
1876 | PP(pp_abs) |
1877 | { | |
4e35701f | 1878 | djSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 1879 | { |
65202027 | 1880 | NV value = TOPn; |
774d564b | 1881 | IV iv; |
463ee0b2 | 1882 | |
774d564b | 1883 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) && |
1884 | (iv = SvIVX(TOPs)) != IV_MIN) { | |
1885 | if (iv < 0) | |
1886 | iv = -iv; | |
1887 | SETi(iv); | |
1888 | } | |
1889 | else { | |
1890 | if (value < 0.0) | |
1891 | value = -value; | |
1892 | SETn(value); | |
1893 | } | |
a0d0e21e | 1894 | } |
774d564b | 1895 | RETURN; |
463ee0b2 LW |
1896 | } |
1897 | ||
79072805 LW |
1898 | PP(pp_hex) |
1899 | { | |
4e35701f | 1900 | djSP; dTARGET; |
79072805 LW |
1901 | char *tmps; |
1902 | I32 argtype; | |
2d8e6c8d | 1903 | STRLEN n_a; |
79072805 | 1904 | |
2d8e6c8d | 1905 | tmps = POPpx; |
b21ed0a9 | 1906 | argtype = 1; /* allow underscores */ |
9e24b6e2 | 1907 | XPUSHn(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
1908 | RETURN; |
1909 | } | |
1910 | ||
1911 | PP(pp_oct) | |
1912 | { | |
4e35701f | 1913 | djSP; dTARGET; |
9e24b6e2 | 1914 | NV value; |
79072805 LW |
1915 | I32 argtype; |
1916 | char *tmps; | |
2d8e6c8d | 1917 | STRLEN n_a; |
79072805 | 1918 | |
2d8e6c8d | 1919 | tmps = POPpx; |
464e2e8a | 1920 | while (*tmps && isSPACE(*tmps)) |
1921 | tmps++; | |
9e24b6e2 JH |
1922 | if (*tmps == '0') |
1923 | tmps++; | |
b21ed0a9 | 1924 | argtype = 1; /* allow underscores */ |
9e24b6e2 JH |
1925 | if (*tmps == 'x') |
1926 | value = scan_hex(++tmps, 99, &argtype); | |
1927 | else if (*tmps == 'b') | |
1928 | value = scan_bin(++tmps, 99, &argtype); | |
464e2e8a | 1929 | else |
9e24b6e2 JH |
1930 | value = scan_oct(tmps, 99, &argtype); |
1931 | XPUSHn(value); | |
79072805 LW |
1932 | RETURN; |
1933 | } | |
1934 | ||
1935 | /* String stuff. */ | |
1936 | ||
1937 | PP(pp_length) | |
1938 | { | |
4e35701f | 1939 | djSP; dTARGET; |
7e2040f0 | 1940 | SV *sv = TOPs; |
a0ed51b3 | 1941 | |
7e2040f0 GS |
1942 | if (DO_UTF8(sv)) |
1943 | SETi(sv_len_utf8(sv)); | |
1944 | else | |
1945 | SETi(sv_len(sv)); | |
79072805 LW |
1946 | RETURN; |
1947 | } | |
1948 | ||
1949 | PP(pp_substr) | |
1950 | { | |
4e35701f | 1951 | djSP; dTARGET; |
79072805 LW |
1952 | SV *sv; |
1953 | I32 len; | |
463ee0b2 | 1954 | STRLEN curlen; |
a0ed51b3 | 1955 | STRLEN utfcurlen; |
79072805 LW |
1956 | I32 pos; |
1957 | I32 rem; | |
84902520 | 1958 | I32 fail; |
533c011a | 1959 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
79072805 | 1960 | char *tmps; |
3280af22 | 1961 | I32 arybase = PL_curcop->cop_arybase; |
7b8d334a GS |
1962 | char *repl = 0; |
1963 | STRLEN repl_len; | |
79072805 | 1964 | |
20408e3c | 1965 | SvTAINTED_off(TARG); /* decontaminate */ |
7e2040f0 | 1966 | SvUTF8_off(TARG); /* decontaminate */ |
5d82c453 GA |
1967 | if (MAXARG > 2) { |
1968 | if (MAXARG > 3) { | |
1969 | sv = POPs; | |
1970 | repl = SvPV(sv, repl_len); | |
7b8d334a | 1971 | } |
79072805 | 1972 | len = POPi; |
5d82c453 | 1973 | } |
84902520 | 1974 | pos = POPi; |
79072805 | 1975 | sv = POPs; |
849ca7ee | 1976 | PUTBACK; |
a0d0e21e | 1977 | tmps = SvPV(sv, curlen); |
7e2040f0 | 1978 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
1979 | utfcurlen = sv_len_utf8(sv); |
1980 | if (utfcurlen == curlen) | |
1981 | utfcurlen = 0; | |
1982 | else | |
1983 | curlen = utfcurlen; | |
1984 | } | |
d1c2b58a LW |
1985 | else |
1986 | utfcurlen = 0; | |
a0ed51b3 | 1987 | |
84902520 TB |
1988 | if (pos >= arybase) { |
1989 | pos -= arybase; | |
1990 | rem = curlen-pos; | |
1991 | fail = rem; | |
5d82c453 GA |
1992 | if (MAXARG > 2) { |
1993 | if (len < 0) { | |
1994 | rem += len; | |
1995 | if (rem < 0) | |
1996 | rem = 0; | |
1997 | } | |
1998 | else if (rem > len) | |
1999 | rem = len; | |
2000 | } | |
68dc0745 | 2001 | } |
84902520 | 2002 | else { |
5d82c453 GA |
2003 | pos += curlen; |
2004 | if (MAXARG < 3) | |
2005 | rem = curlen; | |
2006 | else if (len >= 0) { | |
2007 | rem = pos+len; | |
2008 | if (rem > (I32)curlen) | |
2009 | rem = curlen; | |
2010 | } | |
2011 | else { | |
2012 | rem = curlen+len; | |
2013 | if (rem < pos) | |
2014 | rem = pos; | |
2015 | } | |
2016 | if (pos < 0) | |
2017 | pos = 0; | |
2018 | fail = rem; | |
2019 | rem -= pos; | |
84902520 TB |
2020 | } |
2021 | if (fail < 0) { | |
e476b1b5 GS |
2022 | if (lvalue || repl) |
2023 | Perl_croak(aTHX_ "substr outside of string"); | |
2024 | if (ckWARN(WARN_SUBSTR)) | |
cea2e8a9 | 2025 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
2304df62 AD |
2026 | RETPUSHUNDEF; |
2027 | } | |
79072805 | 2028 | else { |
7f66633b | 2029 | if (utfcurlen) |
a0ed51b3 | 2030 | sv_pos_u2b(sv, &pos, &rem); |
79072805 | 2031 | tmps += pos; |
79072805 | 2032 | sv_setpvn(TARG, tmps, rem); |
7f66633b GS |
2033 | if (utfcurlen) |
2034 | SvUTF8_on(TARG); | |
c8faf1c5 GS |
2035 | if (repl) |
2036 | sv_insert(sv, pos, rem, repl, repl_len); | |
2037 | else if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 2038 | if (!SvGMAGICAL(sv)) { |
2039 | if (SvROK(sv)) { | |
2d8e6c8d GS |
2040 | STRLEN n_a; |
2041 | SvPV_force(sv,n_a); | |
599cee73 | 2042 | if (ckWARN(WARN_SUBSTR)) |
cea2e8a9 | 2043 | Perl_warner(aTHX_ WARN_SUBSTR, |
599cee73 | 2044 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 2045 | } |
2046 | if (SvOK(sv)) /* is it defined ? */ | |
7f66633b | 2047 | (void)SvPOK_only_UTF8(sv); |
dedeecda | 2048 | else |
2049 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
2050 | } | |
5f05dabc | 2051 | |
a0d0e21e LW |
2052 | if (SvTYPE(TARG) < SVt_PVLV) { |
2053 | sv_upgrade(TARG, SVt_PVLV); | |
2054 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 2055 | } |
a0d0e21e | 2056 | |
5f05dabc | 2057 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
2058 | if (LvTARG(TARG) != sv) { |
2059 | if (LvTARG(TARG)) | |
2060 | SvREFCNT_dec(LvTARG(TARG)); | |
2061 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
2062 | } | |
a0d0e21e | 2063 | LvTARGOFF(TARG) = pos; |
8ec5e241 | 2064 | LvTARGLEN(TARG) = rem; |
79072805 LW |
2065 | } |
2066 | } | |
849ca7ee | 2067 | SPAGAIN; |
79072805 LW |
2068 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
2069 | RETURN; | |
2070 | } | |
2071 | ||
2072 | PP(pp_vec) | |
2073 | { | |
4e35701f | 2074 | djSP; dTARGET; |
79072805 LW |
2075 | register I32 size = POPi; |
2076 | register I32 offset = POPi; | |
2077 | register SV *src = POPs; | |
533c011a | 2078 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
a0d0e21e | 2079 | |
81e118e0 JH |
2080 | SvTAINTED_off(TARG); /* decontaminate */ |
2081 | if (lvalue) { /* it's an lvalue! */ | |
2082 | if (SvTYPE(TARG) < SVt_PVLV) { | |
2083 | sv_upgrade(TARG, SVt_PVLV); | |
2084 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
79072805 | 2085 | } |
81e118e0 JH |
2086 | LvTYPE(TARG) = 'v'; |
2087 | if (LvTARG(TARG) != src) { | |
2088 | if (LvTARG(TARG)) | |
2089 | SvREFCNT_dec(LvTARG(TARG)); | |
2090 | LvTARG(TARG) = SvREFCNT_inc(src); | |
79072805 | 2091 | } |
81e118e0 JH |
2092 | LvTARGOFF(TARG) = offset; |
2093 | LvTARGLEN(TARG) = size; | |
79072805 LW |
2094 | } |
2095 | ||
81e118e0 | 2096 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
2097 | PUSHs(TARG); |
2098 | RETURN; | |
2099 | } | |
2100 | ||
2101 | PP(pp_index) | |
2102 | { | |
4e35701f | 2103 | djSP; dTARGET; |
79072805 LW |
2104 | SV *big; |
2105 | SV *little; | |
2106 | I32 offset; | |
2107 | I32 retval; | |
2108 | char *tmps; | |
2109 | char *tmps2; | |
463ee0b2 | 2110 | STRLEN biglen; |
3280af22 | 2111 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
2112 | |
2113 | if (MAXARG < 3) | |
2114 | offset = 0; | |
2115 | else | |
2116 | offset = POPi - arybase; | |
2117 | little = POPs; | |
2118 | big = POPs; | |
463ee0b2 | 2119 | tmps = SvPV(big, biglen); |
7e2040f0 | 2120 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 | 2121 | sv_pos_u2b(big, &offset, 0); |
79072805 LW |
2122 | if (offset < 0) |
2123 | offset = 0; | |
93a17b20 LW |
2124 | else if (offset > biglen) |
2125 | offset = biglen; | |
79072805 | 2126 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 2127 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 2128 | retval = -1; |
79072805 | 2129 | else |
a0ed51b3 | 2130 | retval = tmps2 - tmps; |
7e2040f0 | 2131 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2132 | sv_pos_b2u(big, &retval); |
2133 | PUSHi(retval + arybase); | |
79072805 LW |
2134 | RETURN; |
2135 | } | |
2136 | ||
2137 | PP(pp_rindex) | |
2138 | { | |
4e35701f | 2139 | djSP; dTARGET; |
79072805 LW |
2140 | SV *big; |
2141 | SV *little; | |
463ee0b2 LW |
2142 | STRLEN blen; |
2143 | STRLEN llen; | |
79072805 LW |
2144 | I32 offset; |
2145 | I32 retval; | |
2146 | char *tmps; | |
2147 | char *tmps2; | |
3280af22 | 2148 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 2149 | |
a0d0e21e | 2150 | if (MAXARG >= 3) |
a0ed51b3 | 2151 | offset = POPi; |
79072805 LW |
2152 | little = POPs; |
2153 | big = POPs; | |
463ee0b2 LW |
2154 | tmps2 = SvPV(little, llen); |
2155 | tmps = SvPV(big, blen); | |
79072805 | 2156 | if (MAXARG < 3) |
463ee0b2 | 2157 | offset = blen; |
a0ed51b3 | 2158 | else { |
7e2040f0 | 2159 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2160 | sv_pos_u2b(big, &offset, 0); |
2161 | offset = offset - arybase + llen; | |
2162 | } | |
79072805 LW |
2163 | if (offset < 0) |
2164 | offset = 0; | |
463ee0b2 LW |
2165 | else if (offset > blen) |
2166 | offset = blen; | |
79072805 | 2167 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2168 | tmps2, tmps2 + llen))) |
a0ed51b3 | 2169 | retval = -1; |
79072805 | 2170 | else |
a0ed51b3 | 2171 | retval = tmps2 - tmps; |
7e2040f0 | 2172 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2173 | sv_pos_b2u(big, &retval); |
2174 | PUSHi(retval + arybase); | |
79072805 LW |
2175 | RETURN; |
2176 | } | |
2177 | ||
2178 | PP(pp_sprintf) | |
2179 | { | |
4e35701f | 2180 | djSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 2181 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2182 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2183 | SP = ORIGMARK; |
2184 | PUSHTARG; | |
2185 | RETURN; | |
2186 | } | |
2187 | ||
79072805 LW |
2188 | PP(pp_ord) |
2189 | { | |
4e35701f | 2190 | djSP; dTARGET; |
bdeef251 | 2191 | UV value; |
2d8e6c8d | 2192 | STRLEN n_a; |
7e2040f0 GS |
2193 | SV *tmpsv = POPs; |
2194 | U8 *tmps = (U8*)SvPVx(tmpsv,n_a); | |
a0ed51b3 | 2195 | I32 retlen; |
79072805 | 2196 | |
7e2040f0 | 2197 | if ((*tmps & 0x80) && DO_UTF8(tmpsv)) |
8e84507e | 2198 | value = utf8_to_uv_chk(tmps, &retlen, 0); |
a0ed51b3 | 2199 | else |
bdeef251 GA |
2200 | value = (UV)(*tmps & 255); |
2201 | XPUSHu(value); | |
79072805 LW |
2202 | RETURN; |
2203 | } | |
2204 | ||
463ee0b2 LW |
2205 | PP(pp_chr) |
2206 | { | |
4e35701f | 2207 | djSP; dTARGET; |
463ee0b2 | 2208 | char *tmps; |
3b9be786 | 2209 | U32 value = POPu; |
463ee0b2 | 2210 | |
748a9306 | 2211 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 | 2212 | |
aaa68c4a | 2213 | if ((value > 255 && !IN_BYTE) || (value & 0x80 && PL_hints & HINT_UTF8) ) { |
aa6ffa16 | 2214 | SvGROW(TARG, UTF8_MAXLEN+1); |
a0ed51b3 | 2215 | tmps = SvPVX(TARG); |
dfe13c55 | 2216 | tmps = (char*)uv_to_utf8((U8*)tmps, (UV)value); |
a0ed51b3 LW |
2217 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
2218 | *tmps = '\0'; | |
2219 | (void)SvPOK_only(TARG); | |
aa6ffa16 | 2220 | SvUTF8_on(TARG); |
a0ed51b3 LW |
2221 | XPUSHs(TARG); |
2222 | RETURN; | |
2223 | } | |
2224 | ||
748a9306 | 2225 | SvGROW(TARG,2); |
463ee0b2 LW |
2226 | SvCUR_set(TARG, 1); |
2227 | tmps = SvPVX(TARG); | |
a0ed51b3 | 2228 | *tmps++ = value; |
748a9306 | 2229 | *tmps = '\0'; |
a0d0e21e | 2230 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
2231 | XPUSHs(TARG); |
2232 | RETURN; | |
2233 | } | |
2234 | ||
79072805 LW |
2235 | PP(pp_crypt) |
2236 | { | |
4e35701f | 2237 | djSP; dTARGET; dPOPTOPssrl; |
2d8e6c8d | 2238 | STRLEN n_a; |
79072805 | 2239 | #ifdef HAS_CRYPT |
2d8e6c8d | 2240 | char *tmps = SvPV(left, n_a); |
79072805 | 2241 | #ifdef FCRYPT |
2d8e6c8d | 2242 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
79072805 | 2243 | #else |
2d8e6c8d | 2244 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
79072805 LW |
2245 | #endif |
2246 | #else | |
cea2e8a9 | 2247 | DIE(aTHX_ |
79072805 LW |
2248 | "The crypt() function is unimplemented due to excessive paranoia."); |
2249 | #endif | |
2250 | SETs(TARG); | |
2251 | RETURN; | |
2252 | } | |
2253 | ||
2254 | PP(pp_ucfirst) | |
2255 | { | |
4e35701f | 2256 | djSP; |
79072805 | 2257 | SV *sv = TOPs; |
a0ed51b3 LW |
2258 | register U8 *s; |
2259 | STRLEN slen; | |
2260 | ||
7e2040f0 | 2261 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 | 2262 | I32 ulen; |
806e7201 | 2263 | U8 tmpbuf[UTF8_MAXLEN]; |
a0ed51b3 | 2264 | U8 *tend; |
8e84507e | 2265 | UV uv = utf8_to_uv_chk(s, &ulen, 0); |
a0ed51b3 LW |
2266 | |
2267 | if (PL_op->op_private & OPpLOCALE) { | |
2268 | TAINT; | |
2269 | SvTAINTED_on(sv); | |
2270 | uv = toTITLE_LC_uni(uv); | |
2271 | } | |
2272 | else | |
2273 | uv = toTITLE_utf8(s); | |
2274 | ||
2275 | tend = uv_to_utf8(tmpbuf, uv); | |
2276 | ||
014822e4 | 2277 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 2278 | dTARGET; |
dfe13c55 GS |
2279 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2280 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 2281 | SvUTF8_on(TARG); |
a0ed51b3 LW |
2282 | SETs(TARG); |
2283 | } | |
2284 | else { | |
dfe13c55 | 2285 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2286 | Copy(tmpbuf, s, ulen, U8); |
2287 | } | |
a0ed51b3 | 2288 | } |
626727d5 | 2289 | else { |
014822e4 | 2290 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2291 | dTARGET; |
7e2040f0 | 2292 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2293 | sv_setsv(TARG, sv); |
2294 | sv = TARG; | |
2295 | SETs(sv); | |
2296 | } | |
2297 | s = (U8*)SvPV_force(sv, slen); | |
2298 | if (*s) { | |
2299 | if (PL_op->op_private & OPpLOCALE) { | |
2300 | TAINT; | |
2301 | SvTAINTED_on(sv); | |
2302 | *s = toUPPER_LC(*s); | |
2303 | } | |
2304 | else | |
2305 | *s = toUPPER(*s); | |
bbce6d69 | 2306 | } |
bbce6d69 | 2307 | } |
31351b04 JS |
2308 | if (SvSMAGICAL(sv)) |
2309 | mg_set(sv); | |
79072805 LW |
2310 | RETURN; |
2311 | } | |
2312 | ||
2313 | PP(pp_lcfirst) | |
2314 | { | |
4e35701f | 2315 | djSP; |
79072805 | 2316 | SV *sv = TOPs; |
a0ed51b3 LW |
2317 | register U8 *s; |
2318 | STRLEN slen; | |
2319 | ||
7e2040f0 | 2320 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 | 2321 | I32 ulen; |
806e7201 | 2322 | U8 tmpbuf[UTF8_MAXLEN]; |
a0ed51b3 | 2323 | U8 *tend; |
8e84507e | 2324 | UV uv = utf8_to_uv_chk(s, &ulen, 0); |
a0ed51b3 LW |
2325 | |
2326 | if (PL_op->op_private & OPpLOCALE) { | |
2327 | TAINT; | |
2328 | SvTAINTED_on(sv); | |
2329 | uv = toLOWER_LC_uni(uv); | |
2330 | } | |
2331 | else | |
2332 | uv = toLOWER_utf8(s); | |
2333 | ||
2334 | tend = uv_to_utf8(tmpbuf, uv); | |
2335 | ||
014822e4 | 2336 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 2337 | dTARGET; |
dfe13c55 GS |
2338 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2339 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 2340 | SvUTF8_on(TARG); |
a0ed51b3 LW |
2341 | SETs(TARG); |
2342 | } | |
2343 | else { | |
dfe13c55 | 2344 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2345 | Copy(tmpbuf, s, ulen, U8); |
2346 | } | |
a0ed51b3 | 2347 | } |
626727d5 | 2348 | else { |
014822e4 | 2349 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2350 | dTARGET; |
7e2040f0 | 2351 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2352 | sv_setsv(TARG, sv); |
2353 | sv = TARG; | |
2354 | SETs(sv); | |
2355 | } | |
2356 | s = (U8*)SvPV_force(sv, slen); | |
2357 | if (*s) { | |
2358 | if (PL_op->op_private & OPpLOCALE) { | |
2359 | TAINT; | |
2360 | SvTAINTED_on(sv); | |
2361 | *s = toLOWER_LC(*s); | |
2362 | } | |
2363 | else | |
2364 | *s = toLOWER(*s); | |
bbce6d69 | 2365 | } |
bbce6d69 | 2366 | } |
31351b04 JS |
2367 | if (SvSMAGICAL(sv)) |
2368 | mg_set(sv); | |
79072805 LW |
2369 | RETURN; |
2370 | } | |
2371 | ||
2372 | PP(pp_uc) | |
2373 | { | |
4e35701f | 2374 | djSP; |
79072805 | 2375 | SV *sv = TOPs; |
a0ed51b3 | 2376 | register U8 *s; |
463ee0b2 | 2377 | STRLEN len; |
79072805 | 2378 | |
7e2040f0 | 2379 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
2380 | dTARGET; |
2381 | I32 ulen; | |
2382 | register U8 *d; | |
2383 | U8 *send; | |
2384 | ||
dfe13c55 | 2385 | s = (U8*)SvPV(sv,len); |
a5a20234 | 2386 | if (!len) { |
7e2040f0 | 2387 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
2388 | sv_setpvn(TARG, "", 0); |
2389 | SETs(TARG); | |
a0ed51b3 LW |
2390 | } |
2391 | else { | |
31351b04 JS |
2392 | (void)SvUPGRADE(TARG, SVt_PV); |
2393 | SvGROW(TARG, (len * 2) + 1); | |
2394 | (void)SvPOK_only(TARG); | |
2395 | d = (U8*)SvPVX(TARG); | |
2396 | send = s + len; | |
2397 | if (PL_op->op_private & OPpLOCALE) { | |
2398 | TAINT; | |
2399 | SvTAINTED_on(TARG); | |
2400 | while (s < send) { | |
8e84507e | 2401 | d = uv_to_utf8(d, toUPPER_LC_uni( utf8_to_uv_chk(s, &ulen, 0))); |
31351b04 JS |
2402 | s += ulen; |
2403 | } | |
a0ed51b3 | 2404 | } |
31351b04 JS |
2405 | else { |
2406 | while (s < send) { | |
2407 | d = uv_to_utf8(d, toUPPER_utf8( s )); | |
2408 | s += UTF8SKIP(s); | |
2409 | } | |
a0ed51b3 | 2410 | } |
31351b04 | 2411 | *d = '\0'; |
7e2040f0 | 2412 | SvUTF8_on(TARG); |
31351b04 JS |
2413 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
2414 | SETs(TARG); | |
a0ed51b3 | 2415 | } |
a0ed51b3 | 2416 | } |
626727d5 | 2417 | else { |
014822e4 | 2418 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2419 | dTARGET; |
7e2040f0 | 2420 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2421 | sv_setsv(TARG, sv); |
2422 | sv = TARG; | |
2423 | SETs(sv); | |
2424 | } | |
2425 | s = (U8*)SvPV_force(sv, len); | |
2426 | if (len) { | |
2427 | register U8 *send = s + len; | |
2428 | ||
2429 | if (PL_op->op_private & OPpLOCALE) { | |
2430 | TAINT; | |
2431 | SvTAINTED_on(sv); | |
2432 | for (; s < send; s++) | |
2433 | *s = toUPPER_LC(*s); | |
2434 | } | |
2435 | else { | |
2436 | for (; s < send; s++) | |
2437 | *s = toUPPER(*s); | |
2438 | } | |
bbce6d69 | 2439 | } |
79072805 | 2440 | } |
31351b04 JS |
2441 | if (SvSMAGICAL(sv)) |
2442 | mg_set(sv); | |
79072805 LW |
2443 | RETURN; |
2444 | } | |
2445 | ||
2446 | PP(pp_lc) | |
2447 | { | |
4e35701f | 2448 | djSP; |
79072805 | 2449 | SV *sv = TOPs; |
a0ed51b3 | 2450 | register U8 *s; |
463ee0b2 | 2451 | STRLEN len; |
79072805 | 2452 | |
7e2040f0 | 2453 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
2454 | dTARGET; |
2455 | I32 ulen; | |
2456 | register U8 *d; | |
2457 | U8 *send; | |
2458 | ||
dfe13c55 | 2459 | s = (U8*)SvPV(sv,len); |
a5a20234 | 2460 | if (!len) { |
7e2040f0 | 2461 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
2462 | sv_setpvn(TARG, "", 0); |
2463 | SETs(TARG); | |
a0ed51b3 LW |
2464 | } |
2465 | else { | |
31351b04 JS |
2466 | (void)SvUPGRADE(TARG, SVt_PV); |
2467 | SvGROW(TARG, (len * 2) + 1); | |
2468 | (void)SvPOK_only(TARG); | |
2469 | d = (U8*)SvPVX(TARG); | |
2470 | send = s + len; | |
2471 | if (PL_op->op_private & OPpLOCALE) { | |
2472 | TAINT; | |
2473 | SvTAINTED_on(TARG); | |
2474 | while (s < send) { | |
8e84507e | 2475 | d = uv_to_utf8(d, toLOWER_LC_uni( utf8_to_uv_chk(s, &ulen, 0))); |
31351b04 JS |
2476 | s += ulen; |
2477 | } | |
a0ed51b3 | 2478 | } |
31351b04 JS |
2479 | else { |
2480 | while (s < send) { | |
2481 | d = uv_to_utf8(d, toLOWER_utf8(s)); | |
2482 | s += UTF8SKIP(s); | |
2483 | } | |
a0ed51b3 | 2484 | } |
31351b04 | 2485 | *d = '\0'; |
7e2040f0 | 2486 | SvUTF8_on(TARG); |
31351b04 JS |
2487 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
2488 | SETs(TARG); | |
a0ed51b3 | 2489 | } |
79072805 | 2490 | } |
626727d5 | 2491 | else { |
014822e4 | 2492 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2493 | dTARGET; |
7e2040f0 | 2494 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2495 | sv_setsv(TARG, sv); |
2496 | sv = TARG; | |
2497 | SETs(sv); | |
a0ed51b3 | 2498 | } |
bbce6d69 | 2499 | |
31351b04 JS |
2500 | s = (U8*)SvPV_force(sv, len); |
2501 | if (len) { | |
2502 | register U8 *send = s + len; | |
bbce6d69 | 2503 | |
31351b04 JS |
2504 | if (PL_op->op_private & OPpLOCALE) { |
2505 | TAINT; | |
2506 | SvTAINTED_on(sv); | |
2507 | for (; s < send; s++) | |
2508 | *s = toLOWER_LC(*s); | |
2509 | } | |
2510 | else { | |
2511 | for (; s < send; s++) | |
2512 | *s = toLOWER(*s); | |
2513 | } | |
bbce6d69 | 2514 | } |
79072805 | 2515 | } |
31351b04 JS |
2516 | if (SvSMAGICAL(sv)) |
2517 | mg_set(sv); | |
79072805 LW |
2518 | RETURN; |
2519 | } | |
2520 | ||
a0d0e21e | 2521 | PP(pp_quotemeta) |
79072805 | 2522 | { |
4e35701f | 2523 | djSP; dTARGET; |
a0d0e21e LW |
2524 | SV *sv = TOPs; |
2525 | STRLEN len; | |
2526 | register char *s = SvPV(sv,len); | |
2527 | register char *d; | |
79072805 | 2528 | |
7e2040f0 | 2529 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e LW |
2530 | if (len) { |
2531 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 2532 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 2533 | d = SvPVX(TARG); |
7e2040f0 | 2534 | if (DO_UTF8(sv)) { |
0dd2cdef LW |
2535 | while (len) { |
2536 | if (*s & 0x80) { | |
2537 | STRLEN ulen = UTF8SKIP(s); | |
2538 | if (ulen > len) | |
2539 | ulen = len; | |
2540 | len -= ulen; | |
2541 | while (ulen--) | |
2542 | *d++ = *s++; | |
2543 | } | |
2544 | else { | |
2545 | if (!isALNUM(*s)) | |
2546 | *d++ = '\\'; | |
2547 | *d++ = *s++; | |
2548 | len--; | |
2549 | } | |
2550 | } | |
7e2040f0 | 2551 | SvUTF8_on(TARG); |
0dd2cdef LW |
2552 | } |
2553 | else { | |
2554 | while (len--) { | |
2555 | if (!isALNUM(*s)) | |
2556 | *d++ = '\\'; | |
2557 | *d++ = *s++; | |
2558 | } | |
79072805 | 2559 | } |
a0d0e21e LW |
2560 | *d = '\0'; |
2561 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
3aa33fe5 | 2562 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 2563 | } |
a0d0e21e LW |
2564 | else |
2565 | sv_setpvn(TARG, s, len); | |
2566 | SETs(TARG); | |
31351b04 JS |
2567 | if (SvSMAGICAL(TARG)) |
2568 | mg_set(TARG); | |
79072805 LW |
2569 | RETURN; |
2570 | } | |
2571 | ||
a0d0e21e | 2572 | /* Arrays. */ |
79072805 | 2573 | |
a0d0e21e | 2574 | PP(pp_aslice) |
79072805 | 2575 | { |
4e35701f | 2576 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2577 | register SV** svp; |
2578 | register AV* av = (AV*)POPs; | |
533c011a | 2579 | register I32 lval = PL_op->op_flags & OPf_MOD; |
3280af22 | 2580 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 2581 | I32 elem; |
79072805 | 2582 | |
a0d0e21e | 2583 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 2584 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 2585 | I32 max = -1; |
924508f0 | 2586 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
2587 | elem = SvIVx(*svp); |
2588 | if (elem > max) | |
2589 | max = elem; | |
2590 | } | |
2591 | if (max > AvMAX(av)) | |
2592 | av_extend(av, max); | |
2593 | } | |
a0d0e21e | 2594 | while (++MARK <= SP) { |
748a9306 | 2595 | elem = SvIVx(*MARK); |
a0d0e21e | 2596 | |
748a9306 LW |
2597 | if (elem > 0) |
2598 | elem -= arybase; | |
a0d0e21e LW |
2599 | svp = av_fetch(av, elem, lval); |
2600 | if (lval) { | |
3280af22 | 2601 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 2602 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 2603 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 2604 | save_aelem(av, elem, svp); |
79072805 | 2605 | } |
3280af22 | 2606 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2607 | } |
2608 | } | |
748a9306 | 2609 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
2610 | MARK = ORIGMARK; |
2611 | *++MARK = *SP; | |
2612 | SP = MARK; | |
2613 | } | |
79072805 LW |
2614 | RETURN; |
2615 | } | |
2616 | ||
2617 | /* Associative arrays. */ | |
2618 | ||
2619 | PP(pp_each) | |
2620 | { | |
59af0135 | 2621 | djSP; |
79072805 | 2622 | HV *hash = (HV*)POPs; |
c07a80fd | 2623 | HE *entry; |
54310121 | 2624 | I32 gimme = GIMME_V; |
c750a3ec | 2625 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 2626 | |
c07a80fd | 2627 | PUTBACK; |
c750a3ec MB |
2628 | /* might clobber stack_sp */ |
2629 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 2630 | SPAGAIN; |
79072805 | 2631 | |
79072805 LW |
2632 | EXTEND(SP, 2); |
2633 | if (entry) { | |
54310121 | 2634 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
2635 | if (gimme == G_ARRAY) { | |
59af0135 | 2636 | SV *val; |
c07a80fd | 2637 | PUTBACK; |
c750a3ec | 2638 | /* might clobber stack_sp */ |
59af0135 GS |
2639 | val = realhv ? |
2640 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); | |
c07a80fd | 2641 | SPAGAIN; |
59af0135 | 2642 | PUSHs(val); |
79072805 | 2643 | } |
79072805 | 2644 | } |
54310121 | 2645 | else if (gimme == G_SCALAR) |
79072805 LW |
2646 | RETPUSHUNDEF; |
2647 | ||
2648 | RETURN; | |
2649 | } | |
2650 | ||
2651 | PP(pp_values) | |
2652 | { | |
cea2e8a9 | 2653 | return do_kv(); |
79072805 LW |
2654 | } |
2655 | ||
2656 | PP(pp_keys) | |
2657 | { | |
cea2e8a9 | 2658 | return do_kv(); |
79072805 LW |
2659 | } |
2660 | ||
2661 | PP(pp_delete) | |
2662 | { | |
4e35701f | 2663 | djSP; |
54310121 | 2664 | I32 gimme = GIMME_V; |
2665 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 2666 | SV *sv; |
5f05dabc | 2667 | HV *hv; |
2668 | ||
533c011a | 2669 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 2670 | dMARK; dORIGMARK; |
97fcbf96 | 2671 | U32 hvtype; |
5f05dabc | 2672 | hv = (HV*)POPs; |
97fcbf96 | 2673 | hvtype = SvTYPE(hv); |
01020589 GS |
2674 | if (hvtype == SVt_PVHV) { /* hash element */ |
2675 | while (++MARK <= SP) { | |
ae77835f | 2676 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
01020589 GS |
2677 | *MARK = sv ? sv : &PL_sv_undef; |
2678 | } | |
5f05dabc | 2679 | } |
01020589 GS |
2680 | else if (hvtype == SVt_PVAV) { |
2681 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ | |
2682 | while (++MARK <= SP) { | |
2683 | sv = av_delete((AV*)hv, SvIV(*MARK), discard); | |
2684 | *MARK = sv ? sv : &PL_sv_undef; | |
2685 | } | |
2686 | } | |
2687 | else { /* pseudo-hash element */ | |
2688 | while (++MARK <= SP) { | |
2689 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); | |
2690 | *MARK = sv ? sv : &PL_sv_undef; | |
2691 | } | |
2692 | } | |
2693 | } | |
2694 | else | |
2695 | DIE(aTHX_ "Not a HASH reference"); | |
54310121 | 2696 | if (discard) |
2697 | SP = ORIGMARK; | |
2698 | else if (gimme == G_SCALAR) { | |
5f05dabc | 2699 | MARK = ORIGMARK; |
2700 | *++MARK = *SP; | |
2701 | SP = MARK; | |
2702 | } | |
2703 | } | |
2704 | else { | |
2705 | SV *keysv = POPs; | |
2706 | hv = (HV*)POPs; | |
97fcbf96 MB |
2707 | if (SvTYPE(hv) == SVt_PVHV) |
2708 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
01020589 GS |
2709 | else if (SvTYPE(hv) == SVt_PVAV) { |
2710 | if (PL_op->op_flags & OPf_SPECIAL) | |
2711 | sv = av_delete((AV*)hv, SvIV(keysv), discard); | |
2712 | else | |
2713 | sv = avhv_delete_ent((AV*)hv, keysv, discard, 0); | |
2714 | } | |
97fcbf96 | 2715 | else |
cea2e8a9 | 2716 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 2717 | if (!sv) |
3280af22 | 2718 | sv = &PL_sv_undef; |
54310121 | 2719 | if (!discard) |
2720 | PUSHs(sv); | |
79072805 | 2721 | } |
79072805 LW |
2722 | RETURN; |
2723 | } | |
2724 | ||
a0d0e21e | 2725 | PP(pp_exists) |
79072805 | 2726 | { |
4e35701f | 2727 | djSP; |
afebc493 GS |
2728 | SV *tmpsv; |
2729 | HV *hv; | |
2730 | ||
2731 | if (PL_op->op_private & OPpEXISTS_SUB) { | |
2732 | GV *gv; | |
2733 | CV *cv; | |
2734 | SV *sv = POPs; | |
2735 | cv = sv_2cv(sv, &hv, &gv, FALSE); | |
2736 | if (cv) | |
2737 | RETPUSHYES; | |
2738 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) | |
2739 | RETPUSHYES; | |
2740 | RETPUSHNO; | |
2741 | } | |
2742 | tmpsv = POPs; | |
2743 | hv = (HV*)POPs; | |
c750a3ec | 2744 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 2745 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 2746 | RETPUSHYES; |
ef54e1a4 JH |
2747 | } |
2748 | else if (SvTYPE(hv) == SVt_PVAV) { | |
01020589 GS |
2749 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
2750 | if (av_exists((AV*)hv, SvIV(tmpsv))) | |
2751 | RETPUSHYES; | |
2752 | } | |
2753 | else if (avhv_exists_ent((AV*)hv, tmpsv, 0)) /* pseudo-hash element */ | |
c750a3ec | 2754 | RETPUSHYES; |
ef54e1a4 JH |
2755 | } |
2756 | else { | |
cea2e8a9 | 2757 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 2758 | } |
a0d0e21e LW |
2759 | RETPUSHNO; |
2760 | } | |
79072805 | 2761 | |
a0d0e21e LW |
2762 | PP(pp_hslice) |
2763 | { | |
4e35701f | 2764 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2765 | register HV *hv = (HV*)POPs; |
533c011a | 2766 | register I32 lval = PL_op->op_flags & OPf_MOD; |
c750a3ec | 2767 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 2768 | |
0ebe0038 | 2769 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
cea2e8a9 | 2770 | DIE(aTHX_ "Can't localize pseudo-hash element"); |
0ebe0038 | 2771 | |
c750a3ec | 2772 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 2773 | while (++MARK <= SP) { |
f12c7020 | 2774 | SV *keysv = *MARK; |
ae77835f MB |
2775 | SV **svp; |
2776 | if (realhv) { | |
800e9ae0 | 2777 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
ae77835f | 2778 | svp = he ? &HeVAL(he) : 0; |
ef54e1a4 JH |
2779 | } |
2780 | else { | |
97fcbf96 | 2781 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 2782 | } |
a0d0e21e | 2783 | if (lval) { |
2d8e6c8d GS |
2784 | if (!svp || *svp == &PL_sv_undef) { |
2785 | STRLEN n_a; | |
cea2e8a9 | 2786 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); |
2d8e6c8d | 2787 | } |
533c011a | 2788 | if (PL_op->op_private & OPpLVAL_INTRO) |
800e9ae0 | 2789 | save_helem(hv, keysv, svp); |
93a17b20 | 2790 | } |
3280af22 | 2791 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2792 | } |
2793 | } | |
a0d0e21e LW |
2794 | if (GIMME != G_ARRAY) { |
2795 | MARK = ORIGMARK; | |
2796 | *++MARK = *SP; | |
2797 | SP = MARK; | |
79072805 | 2798 | } |
a0d0e21e LW |
2799 | RETURN; |
2800 | } | |
2801 | ||
2802 | /* List operators. */ | |
2803 | ||
2804 | PP(pp_list) | |
2805 | { | |
4e35701f | 2806 | djSP; dMARK; |
a0d0e21e LW |
2807 | if (GIMME != G_ARRAY) { |
2808 | if (++MARK <= SP) | |
2809 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 2810 | else |
3280af22 | 2811 | *MARK = &PL_sv_undef; |
a0d0e21e | 2812 | SP = MARK; |
79072805 | 2813 | } |
a0d0e21e | 2814 | RETURN; |
79072805 LW |
2815 | } |
2816 | ||
a0d0e21e | 2817 | PP(pp_lslice) |
79072805 | 2818 | { |
4e35701f | 2819 | djSP; |
3280af22 NIS |
2820 | SV **lastrelem = PL_stack_sp; |
2821 | SV **lastlelem = PL_stack_base + POPMARK; | |
2822 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
a0d0e21e | 2823 | register SV **firstrelem = lastlelem + 1; |
3280af22 | 2824 | I32 arybase = PL_curcop->cop_arybase; |
533c011a | 2825 | I32 lval = PL_op->op_flags & OPf_MOD; |
4633a7c4 | 2826 | I32 is_something_there = lval; |
79072805 | 2827 | |
a0d0e21e LW |
2828 | register I32 max = lastrelem - lastlelem; |
2829 | register SV **lelem; | |
2830 | register I32 ix; | |
2831 | ||
2832 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
2833 | ix = SvIVx(*lastlelem); |
2834 | if (ix < 0) | |
2835 | ix += max; | |
2836 | else | |
2837 | ix -= arybase; | |
a0d0e21e | 2838 | if (ix < 0 || ix >= max) |
3280af22 | 2839 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
2840 | else |
2841 | *firstlelem = firstrelem[ix]; | |
2842 | SP = firstlelem; | |
2843 | RETURN; | |
2844 | } | |
2845 | ||
2846 | if (max == 0) { | |
2847 | SP = firstlelem - 1; | |
2848 | RETURN; | |
2849 | } | |
2850 | ||
2851 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 2852 | ix = SvIVx(*lelem); |
c73bf8e3 | 2853 | if (ix < 0) |
a0d0e21e | 2854 | ix += max; |
c73bf8e3 | 2855 | else |
748a9306 | 2856 | ix -= arybase; |
c73bf8e3 HS |
2857 | if (ix < 0 || ix >= max) |
2858 | *lelem = &PL_sv_undef; | |
2859 | else { | |
2860 | is_something_there = TRUE; | |
2861 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 2862 | *lelem = &PL_sv_undef; |
748a9306 | 2863 | } |
79072805 | 2864 | } |
4633a7c4 LW |
2865 | if (is_something_there) |
2866 | SP = lastlelem; | |
2867 | else | |
2868 | SP = firstlelem - 1; | |
79072805 LW |
2869 | RETURN; |
2870 | } | |
2871 | ||
a0d0e21e LW |
2872 | PP(pp_anonlist) |
2873 | { | |
4e35701f | 2874 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2875 | I32 items = SP - MARK; |
44a8e56a | 2876 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
2877 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
2878 | XPUSHs(av); | |
a0d0e21e LW |
2879 | RETURN; |
2880 | } | |
2881 | ||
2882 | PP(pp_anonhash) | |
79072805 | 2883 | { |
4e35701f | 2884 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2885 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2886 | ||
2887 | while (MARK < SP) { | |
2888 | SV* key = *++MARK; | |
a0d0e21e LW |
2889 | SV *val = NEWSV(46, 0); |
2890 | if (MARK < SP) | |
2891 | sv_setsv(val, *++MARK); | |
e476b1b5 GS |
2892 | else if (ckWARN(WARN_MISC)) |
2893 | Perl_warner(aTHX_ WARN_MISC, "Odd number of elements in hash assignment"); | |
f12c7020 | 2894 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 2895 | } |
a0d0e21e LW |
2896 | SP = ORIGMARK; |
2897 | XPUSHs((SV*)hv); | |
79072805 LW |
2898 | RETURN; |
2899 | } | |
2900 | ||
a0d0e21e | 2901 | PP(pp_splice) |
79072805 | 2902 | { |
4e35701f | 2903 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2904 | register AV *ary = (AV*)*++MARK; |
2905 | register SV **src; | |
2906 | register SV **dst; | |
2907 | register I32 i; | |
2908 | register I32 offset; | |
2909 | register I32 length; | |
2910 | I32 newlen; | |
2911 | I32 after; | |
2912 | I32 diff; | |
2913 | SV **tmparyval = 0; | |
93965878 NIS |
2914 | MAGIC *mg; |
2915 | ||
155aba94 | 2916 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
33c27489 | 2917 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 | 2918 | PUSHMARK(MARK); |
8ec5e241 | 2919 | PUTBACK; |
a60c0954 | 2920 | ENTER; |
864dbfa3 | 2921 | call_method("SPLICE",GIMME_V); |
a60c0954 | 2922 | LEAVE; |
93965878 NIS |
2923 | SPAGAIN; |
2924 | RETURN; | |
2925 | } | |
79072805 | 2926 | |
a0d0e21e | 2927 | SP++; |
79072805 | 2928 | |
a0d0e21e | 2929 | if (++MARK < SP) { |
84902520 | 2930 | offset = i = SvIVx(*MARK); |
a0d0e21e | 2931 | if (offset < 0) |
93965878 | 2932 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 2933 | else |
3280af22 | 2934 | offset -= PL_curcop->cop_arybase; |
84902520 | 2935 | if (offset < 0) |
cea2e8a9 | 2936 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |
2937 | if (++MARK < SP) { |
2938 | length = SvIVx(*MARK++); | |
48cdf507 GA |
2939 | if (length < 0) { |
2940 | length += AvFILLp(ary) - offset + 1; | |
2941 | if (length < 0) | |
2942 | length = 0; | |
2943 | } | |
79072805 LW |
2944 | } |
2945 | else | |
a0d0e21e | 2946 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 2947 | } |
a0d0e21e LW |
2948 | else { |
2949 | offset = 0; | |
2950 | length = AvMAX(ary) + 1; | |
2951 | } | |
93965878 NIS |
2952 | if (offset > AvFILLp(ary) + 1) |
2953 | offset = AvFILLp(ary) + 1; | |
2954 | after = AvFILLp(ary) + 1 - (offset + length); | |
a0d0e21e LW |
2955 | if (after < 0) { /* not that much array */ |
2956 | length += after; /* offset+length now in array */ | |
2957 | after = 0; | |
2958 | if (!AvALLOC(ary)) | |
2959 | av_extend(ary, 0); | |
2960 | } | |
2961 | ||
2962 | /* At this point, MARK .. SP-1 is our new LIST */ | |
2963 | ||
2964 | newlen = SP - MARK; | |
2965 | diff = newlen - length; | |
13d7cbc1 GS |
2966 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
2967 | av_reify(ary); | |
a0d0e21e LW |
2968 | |
2969 | if (diff < 0) { /* shrinking the area */ | |
2970 | if (newlen) { | |
2971 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
2972 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 2973 | } |
a0d0e21e LW |
2974 | |
2975 | MARK = ORIGMARK + 1; | |
2976 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2977 | MEXTEND(MARK, length); | |
2978 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
2979 | if (AvREAL(ary)) { | |
bbce6d69 | 2980 | EXTEND_MORTAL(length); |
36477c24 | 2981 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 2982 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 2983 | dst++; |
2984 | } | |
a0d0e21e LW |
2985 | } |
2986 | MARK += length - 1; | |
79072805 | 2987 | } |
a0d0e21e LW |
2988 | else { |
2989 | *MARK = AvARRAY(ary)[offset+length-1]; | |
2990 | if (AvREAL(ary)) { | |
d689ffdd | 2991 | sv_2mortal(*MARK); |
a0d0e21e LW |
2992 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2993 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 2994 | } |
a0d0e21e | 2995 | } |
93965878 | 2996 | AvFILLp(ary) += diff; |
a0d0e21e LW |
2997 | |
2998 | /* pull up or down? */ | |
2999 | ||
3000 | if (offset < after) { /* easier to pull up */ | |
3001 | if (offset) { /* esp. if nothing to pull */ | |
3002 | src = &AvARRAY(ary)[offset-1]; | |
3003 | dst = src - diff; /* diff is negative */ | |
3004 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
3005 | *dst-- = *src--; | |
79072805 | 3006 | } |
a0d0e21e LW |
3007 | dst = AvARRAY(ary); |
3008 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
3009 | AvMAX(ary) += diff; | |
3010 | } | |
3011 | else { | |
3012 | if (after) { /* anything to pull down? */ | |
3013 | src = AvARRAY(ary) + offset + length; | |
3014 | dst = src + diff; /* diff is negative */ | |
3015 | Move(src, dst, after, SV*); | |
79072805 | 3016 | } |
93965878 | 3017 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
3018 | /* avoid later double free */ |
3019 | } | |
3020 | i = -diff; | |
3021 | while (i) | |
3280af22 | 3022 | dst[--i] = &PL_sv_undef; |
a0d0e21e LW |
3023 | |
3024 | if (newlen) { | |
3025 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
3026 | newlen; newlen--) { | |
3027 | *dst = NEWSV(46, 0); | |
3028 | sv_setsv(*dst++, *src++); | |
79072805 | 3029 | } |
a0d0e21e LW |
3030 | Safefree(tmparyval); |
3031 | } | |
3032 | } | |
3033 | else { /* no, expanding (or same) */ | |
3034 | if (length) { | |
3035 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
3036 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
3037 | } | |
3038 | ||
3039 | if (diff > 0) { /* expanding */ | |
3040 | ||
3041 | /* push up or down? */ | |
3042 | ||
3043 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
3044 | if (offset) { | |
3045 | src = AvARRAY(ary); | |
3046 | dst = src - diff; | |
3047 | Move(src, dst, offset, SV*); | |
79072805 | 3048 | } |
a0d0e21e LW |
3049 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
3050 | AvMAX(ary) += diff; | |
93965878 | 3051 | AvFILLp(ary) += diff; |
79072805 LW |
3052 | } |
3053 | else { | |
93965878 NIS |
3054 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
3055 | av_extend(ary, AvFILLp(ary) + diff); | |
3056 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
3057 | |
3058 | if (after) { | |
93965878 | 3059 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
3060 | src = dst - diff; |
3061 | for (i = after; i; i--) { | |
3062 | *dst-- = *src--; | |
3063 | } | |
79072805 LW |
3064 | } |
3065 | } | |
a0d0e21e LW |
3066 | } |
3067 | ||
3068 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
3069 | *dst = NEWSV(46, 0); | |
3070 | sv_setsv(*dst++, *src++); | |
3071 | } | |
3072 | MARK = ORIGMARK + 1; | |
3073 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
3074 | if (length) { | |
3075 | Copy(tmparyval, MARK, length, SV*); | |
3076 | if (AvREAL(ary)) { | |
bbce6d69 | 3077 | EXTEND_MORTAL(length); |
36477c24 | 3078 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 3079 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 3080 | dst++; |
3081 | } | |
79072805 | 3082 | } |
a0d0e21e | 3083 | Safefree(tmparyval); |
79072805 | 3084 | } |
a0d0e21e LW |
3085 | MARK += length - 1; |
3086 | } | |
3087 | else if (length--) { | |
3088 | *MARK = tmparyval[length]; | |
3089 | if (AvREAL(ary)) { | |
d689ffdd | 3090 | sv_2mortal(*MARK); |
a0d0e21e LW |
3091 | while (length-- > 0) |
3092 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 3093 | } |
a0d0e21e | 3094 | Safefree(tmparyval); |
79072805 | 3095 | } |
a0d0e21e | 3096 | else |
3280af22 | 3097 | *MARK = &PL_sv_undef; |
79072805 | 3098 | } |
a0d0e21e | 3099 | SP = MARK; |
79072805 LW |
3100 | RETURN; |
3101 | } | |
3102 | ||
a0d0e21e | 3103 | PP(pp_push) |
79072805 | 3104 | { |
4e35701f | 3105 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 3106 | register AV *ary = (AV*)*++MARK; |
3280af22 | 3107 | register SV *sv = &PL_sv_undef; |
93965878 | 3108 | MAGIC *mg; |
79072805 | 3109 | |
155aba94 | 3110 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
33c27489 | 3111 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 NIS |
3112 | PUSHMARK(MARK); |
3113 | PUTBACK; | |
a60c0954 | 3114 | ENTER; |
864dbfa3 | 3115 | call_method("PUSH",G_SCALAR|G_DISCARD); |
a60c0954 | 3116 | LEAVE; |
93965878 | 3117 | SPAGAIN; |
93965878 | 3118 | } |
a60c0954 NIS |
3119 | else { |
3120 | /* Why no pre-extend of ary here ? */ | |
3121 | for (++MARK; MARK <= SP; MARK++) { | |
3122 | sv = NEWSV(51, 0); | |
3123 | if (*MARK) | |
3124 | sv_setsv(sv, *MARK); | |
3125 | av_push(ary, sv); | |
3126 | } | |
79072805 LW |
3127 | } |
3128 | SP = ORIGMARK; | |
a0d0e21e | 3129 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
3130 | RETURN; |
3131 | } | |
3132 | ||
a0d0e21e | 3133 | PP(pp_pop) |
79072805 | 3134 | { |
4e35701f | 3135 | djSP; |
a0d0e21e LW |
3136 | AV *av = (AV*)POPs; |
3137 | SV *sv = av_pop(av); | |
d689ffdd | 3138 | if (AvREAL(av)) |
a0d0e21e LW |
3139 | (void)sv_2mortal(sv); |
3140 | PUSHs(sv); | |
79072805 | 3141 | RETURN; |
79072805 LW |
3142 | } |
3143 | ||
a0d0e21e | 3144 | PP(pp_shift) |
79072805 | 3145 | { |
4e35701f | 3146 | djSP; |
a0d0e21e LW |
3147 | AV *av = (AV*)POPs; |
3148 | SV *sv = av_shift(av); | |
79072805 | 3149 | EXTEND(SP, 1); |
a0d0e21e | 3150 | if (!sv) |
79072805 | 3151 | RETPUSHUNDEF; |
d689ffdd | 3152 | if (AvREAL(av)) |
a0d0e21e LW |
3153 | (void)sv_2mortal(sv); |
3154 | PUSHs(sv); | |
79072805 | 3155 | RETURN; |
79072805 LW |
3156 | } |
3157 | ||
a0d0e21e | 3158 | PP(pp_unshift) |
79072805 | 3159 | { |
4e35701f | 3160 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
3161 | register AV *ary = (AV*)*++MARK; |
3162 | register SV *sv; | |
3163 | register I32 i = 0; | |
93965878 NIS |
3164 | MAGIC *mg; |
3165 | ||
155aba94 | 3166 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
33c27489 | 3167 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
7fd66d9d | 3168 | PUSHMARK(MARK); |
93965878 | 3169 | PUTBACK; |
a60c0954 | 3170 | ENTER; |
864dbfa3 | 3171 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
a60c0954 | 3172 | LEAVE; |
93965878 | 3173 | SPAGAIN; |
93965878 | 3174 | } |
a60c0954 NIS |
3175 | else { |
3176 | av_unshift(ary, SP - MARK); | |
3177 | while (MARK < SP) { | |
3178 | sv = NEWSV(27, 0); | |
3179 | sv_setsv(sv, *++MARK); | |
3180 | (void)av_store(ary, i++, sv); | |
3181 | } | |
79072805 | 3182 | } |
a0d0e21e LW |
3183 | SP = ORIGMARK; |
3184 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 3185 | RETURN; |
79072805 LW |
3186 | } |
3187 | ||
a0d0e21e | 3188 | PP(pp_reverse) |
79072805 | 3189 | { |
4e35701f | 3190 | djSP; dMARK; |
a0d0e21e LW |
3191 | register SV *tmp; |
3192 | SV **oldsp = SP; | |
79072805 | 3193 | |
a0d0e21e LW |
3194 | if (GIMME == G_ARRAY) { |
3195 | MARK++; | |
3196 | while (MARK < SP) { | |
3197 | tmp = *MARK; | |
3198 | *MARK++ = *SP; | |
3199 | *SP-- = tmp; | |
3200 | } | |
dd58a1ab | 3201 | /* safe as long as stack cannot get extended in the above */ |
a0d0e21e | 3202 | SP = oldsp; |
79072805 LW |
3203 | } |
3204 | else { | |
a0d0e21e LW |
3205 | register char *up; |
3206 | register char *down; | |
3207 | register I32 tmp; | |
3208 | dTARGET; | |
3209 | STRLEN len; | |
79072805 | 3210 | |
7e2040f0 | 3211 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 3212 | if (SP - MARK > 1) |
3280af22 | 3213 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 3214 | else |
54b9620d | 3215 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
3216 | up = SvPV_force(TARG, len); |
3217 | if (len > 1) { | |
7e2040f0 | 3218 | if (DO_UTF8(TARG)) { /* first reverse each character */ |
dfe13c55 GS |
3219 | U8* s = (U8*)SvPVX(TARG); |
3220 | U8* send = (U8*)(s + len); | |
a0ed51b3 LW |
3221 | while (s < send) { |
3222 | if (*s < 0x80) { | |
3223 | s++; | |
3224 | continue; | |
3225 | } | |
3226 | else { | |
dfe13c55 | 3227 | up = (char*)s; |
a0ed51b3 | 3228 | s += UTF8SKIP(s); |
dfe13c55 | 3229 | down = (char*)(s - 1); |
f248d071 GS |
3230 | if (s > send || !((*down & 0xc0) == 0x80)) { |
3231 | if (ckWARN_d(WARN_UTF8)) | |
3232 | Perl_warner(aTHX_ WARN_UTF8, | |
3233 | "Malformed UTF-8 character"); | |
a0ed51b3 LW |
3234 | break; |
3235 | } | |
3236 | while (down > up) { | |
3237 | tmp = *up; | |
3238 | *up++ = *down; | |
3239 | *down-- = tmp; | |
3240 | } | |
3241 | } | |
3242 | } | |
3243 | up = SvPVX(TARG); | |
3244 | } | |
a0d0e21e LW |
3245 | down = SvPVX(TARG) + len - 1; |
3246 | while (down > up) { | |
3247 | tmp = *up; | |
3248 | *up++ = *down; | |
3249 | *down-- = tmp; | |
3250 | } | |
3aa33fe5 | 3251 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 3252 | } |
a0d0e21e LW |
3253 | SP = MARK + 1; |
3254 | SETTARG; | |
79072805 | 3255 | } |
a0d0e21e | 3256 | RETURN; |
79072805 LW |
3257 | } |
3258 | ||
864dbfa3 | 3259 | STATIC SV * |
cea2e8a9 | 3260 | S_mul128(pTHX_ SV *sv, U8 m) |
55497cff | 3261 | { |
3262 | STRLEN len; | |
3263 | char *s = SvPV(sv, len); | |
3264 | char *t; | |
3265 | U32 i = 0; | |
3266 | ||
3267 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ | |
79cb57f6 | 3268 | SV *tmpNew = newSVpvn("0000000000", 10); |
55497cff | 3269 | |
09b7f37c | 3270 | sv_catsv(tmpNew, sv); |
55497cff | 3271 | SvREFCNT_dec(sv); /* free old sv */ |
09b7f37c | 3272 | sv = tmpNew; |
55497cff | 3273 | s = SvPV(sv, len); |
3274 | } | |
3275 | t = s + len - 1; | |
3276 | while (!*t) /* trailing '\0'? */ | |
3277 | t--; | |
3278 | while (t > s) { | |
3279 | i = ((*t - '0') << 7) + m; | |
3280 | *(t--) = '0' + (i % 10); | |
3281 | m = i / 10; | |
3282 | } | |
3283 | return (sv); | |
3284 | } | |
3285 | ||
a0d0e21e LW |
3286 | /* Explosives and implosives. */ |
3287 | ||
9d116dd7 JH |
3288 | #if 'I' == 73 && 'J' == 74 |
3289 | /* On an ASCII/ISO kind of system */ | |
ba1ac976 | 3290 | #define ISUUCHAR(ch) ((ch) >= ' ' && (ch) < 'a') |
9d116dd7 JH |
3291 | #else |
3292 | /* | |
3293 | Some other sort of character set - use memchr() so we don't match | |
3294 | the null byte. | |
3295 | */ | |
80252599 | 3296 | #define ISUUCHAR(ch) (memchr(PL_uuemap, (ch), sizeof(PL_uuemap)-1) || (ch) == ' ') |
9d116dd7 JH |
3297 | #endif |
3298 | ||
a0d0e21e | 3299 | PP(pp_unpack) |
79072805 | 3300 | { |
4e35701f | 3301 | djSP; |
a0d0e21e | 3302 | dPOPPOPssrl; |
dd58a1ab | 3303 | I32 start_sp_offset = SP - PL_stack_base; |
54310121 | 3304 | I32 gimme = GIMME_V; |
ed6116ce | 3305 | SV *sv; |
a0d0e21e LW |
3306 | STRLEN llen; |
3307 | STRLEN rlen; | |
3308 | register char *pat = SvPV(left, llen); | |
3309 | register char *s = SvPV(right, rlen); | |
3310 | char *strend = s + rlen; | |
3311 | char *strbeg = s; | |
3312 | register char *patend = pat + llen; | |
3313 | I32 datumtype; | |
3314 | register I32 len; | |
3315 | register I32 bits; | |
abdc5761 | 3316 | register char *str; |
79072805 | 3317 | |
a0d0e21e LW |
3318 | /* These must not be in registers: */ |
3319 | I16 ashort; | |
3320 | int aint; | |
3321 | I32 along; | |
6b8eaf93 | 3322 | #ifdef HAS_QUAD |
ecfc5424 | 3323 | Quad_t aquad; |
a0d0e21e LW |
3324 | #endif |
3325 | U16 aushort; | |
3326 | unsigned int auint; | |
3327 | U32 aulong; | |
6b8eaf93 | 3328 | #ifdef HAS_QUAD |
e862df63 | 3329 | Uquad_t auquad; |
a0d0e21e LW |
3330 | #endif |
3331 | char *aptr; | |
3332 | float afloat; | |
3333 | double adouble; | |
3334 | I32 checksum = 0; | |
3335 | register U32 culong; | |
65202027 | 3336 | NV cdouble; |
fb73857a | 3337 | int commas = 0; |
4b5b2118 | 3338 | int star; |
726ea183 | 3339 | #ifdef PERL_NATINT_PACK |
ef54e1a4 JH |
3340 | int natint; /* native integer */ |
3341 | int unatint; /* unsigned native integer */ | |
726ea183 | 3342 | #endif |
79072805 | 3343 | |
54310121 | 3344 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
a0d0e21e LW |
3345 | /*SUPPRESS 530*/ |
3346 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
5a929a98 | 3347 | if (strchr("aAZbBhHP", *patend) || *pat == '%') { |
a0d0e21e LW |
3348 | patend++; |
3349 | while (isDIGIT(*patend) || *patend == '*') | |
3350 | patend++; | |
3351 | } | |
3352 | else | |
3353 | patend++; | |
79072805 | 3354 | } |
a0d0e21e LW |
3355 | while (pat < patend) { |
3356 | reparse: | |
bbdab043 | 3357 | datumtype = *pat++ & 0xFF; |
726ea183 | 3358 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3359 | natint = 0; |
726ea183 | 3360 | #endif |
bbdab043 CS |
3361 | if (isSPACE(datumtype)) |
3362 | continue; | |
17f4a12d IZ |
3363 | if (datumtype == '#') { |
3364 | while (pat < patend && *pat != '\n') | |
3365 | pat++; | |
3366 | continue; | |
3367 | } | |
f61d411c | 3368 | if (*pat == '!') { |
ef54e1a4 JH |
3369 | char *natstr = "sSiIlL"; |
3370 | ||
3371 | if (strchr(natstr, datumtype)) { | |
726ea183 | 3372 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3373 | natint = 1; |
726ea183 | 3374 | #endif |
ef54e1a4 JH |
3375 | pat++; |
3376 | } | |
3377 | else | |
d470f89e | 3378 | DIE(aTHX_ "'!' allowed only after types %s", natstr); |
ef54e1a4 | 3379 | } |
4b5b2118 | 3380 | star = 0; |
a0d0e21e LW |
3381 | if (pat >= patend) |
3382 | len = 1; | |
3383 | else if (*pat == '*') { | |
3384 | len = strend - strbeg; /* long enough */ | |
3385 | pat++; | |
4b5b2118 | 3386 | star = 1; |
a0d0e21e LW |
3387 | } |
3388 | else if (isDIGIT(*pat)) { | |
3389 | len = *pat++ - '0'; | |
06387354 | 3390 | while (isDIGIT(*pat)) { |
a0d0e21e | 3391 | len = (len * 10) + (*pat++ - '0'); |
06387354 | 3392 | if (len < 0) |
d470f89e | 3393 | DIE(aTHX_ "Repeat count in unpack overflows"); |
06387354 | 3394 | } |
a0d0e21e LW |
3395 | } |
3396 | else | |
3397 | len = (datumtype != '@'); | |
4b5b2118 | 3398 | redo_switch: |
a0d0e21e LW |
3399 | switch(datumtype) { |
3400 | default: | |
d470f89e | 3401 | DIE(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3402 | case ',': /* grandfather in commas but with a warning */ |
e476b1b5 GS |
3403 | if (commas++ == 0 && ckWARN(WARN_UNPACK)) |
3404 | Perl_warner(aTHX_ WARN_UNPACK, | |
d470f89e | 3405 | "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3406 | break; |
a0d0e21e LW |
3407 | case '%': |
3408 | if (len == 1 && pat[-1] != '1') | |
3409 | len = 16; | |
3410 | checksum = len; | |
3411 | culong = 0; | |
3412 | cdouble = 0; | |
3413 | if (pat < patend) | |
3414 | goto reparse; | |
3415 | break; | |
3416 | case '@': | |
3417 | if (len > strend - strbeg) | |
cea2e8a9 | 3418 | DIE(aTHX_ "@ outside of string"); |
a0d0e21e LW |
3419 | s = strbeg + len; |
3420 | break; | |
3421 | case 'X': | |
3422 | if (len > s - strbeg) | |
cea2e8a9 | 3423 | DIE(aTHX_ "X outside of string"); |
a0d0e21e LW |
3424 | s -= len; |
3425 | break; | |
3426 | case 'x': | |
3427 | if (len > strend - s) | |
cea2e8a9 | 3428 | DIE(aTHX_ "x outside of string"); |
a0d0e21e LW |
3429 | s += len; |
3430 | break; | |
17f4a12d | 3431 | case '/': |
dd58a1ab | 3432 | if (start_sp_offset >= SP - PL_stack_base) |
17f4a12d | 3433 | DIE(aTHX_ "/ must follow a numeric type"); |
43192e07 IP |
3434 | datumtype = *pat++; |
3435 | if (*pat == '*') | |
3436 | pat++; /* ignore '*' for compatibility with pack */ | |
3437 | if (isDIGIT(*pat)) | |
17f4a12d | 3438 | DIE(aTHX_ "/ cannot take a count" ); |
43192e07 | 3439 | len = POPi; |
4b5b2118 GS |
3440 | star = 0; |
3441 | goto redo_switch; | |
a0d0e21e | 3442 | case 'A': |
5a929a98 | 3443 | case 'Z': |
a0d0e21e LW |
3444 | case 'a': |
3445 | if (len > strend - s) | |
3446 | len = strend - s; | |
3447 | if (checksum) | |
3448 | goto uchar_checksum; | |
3449 | sv = NEWSV(35, len); | |
3450 | sv_setpvn(sv, s, len); | |
3451 | s += len; | |
5a929a98 | 3452 | if (datumtype == 'A' || datumtype == 'Z') { |
a0d0e21e | 3453 | aptr = s; /* borrow register */ |
5a929a98 VU |
3454 | if (datumtype == 'Z') { /* 'Z' strips stuff after first null */ |
3455 | s = SvPVX(sv); | |
3456 | while (*s) | |
3457 | s++; | |
3458 | } | |
3459 | else { /* 'A' strips both nulls and spaces */ | |
3460 | s = SvPVX(sv) + len - 1; | |
3461 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) | |
3462 | s--; | |
3463 | *++s = '\0'; | |
3464 | } | |
a0d0e21e LW |
3465 | SvCUR_set(sv, s - SvPVX(sv)); |
3466 | s = aptr; /* unborrow register */ | |
3467 | } | |
3468 | XPUSHs(sv_2mortal(sv)); | |
3469 | break; | |
3470 | case 'B': | |
3471 | case 'b': | |
4b5b2118 | 3472 | if (star || len > (strend - s) * 8) |
a0d0e21e LW |
3473 | len = (strend - s) * 8; |
3474 | if (checksum) { | |
80252599 GS |
3475 | if (!PL_bitcount) { |
3476 | Newz(601, PL_bitcount, 256, char); | |
a0d0e21e | 3477 | for (bits = 1; bits < 256; bits++) { |
80252599 GS |
3478 | if (bits & 1) PL_bitcount[bits]++; |
3479 | if (bits & 2) PL_bitcount[bits]++; | |
3480 | if (bits & 4) PL_bitcount[bits]++; | |
3481 | if (bits & 8) PL_bitcount[bits]++; | |
3482 | if (bits & 16) PL_bitcount[bits]++; | |
3483 | if (bits & 32) PL_bitcount[bits]++; | |
3484 | if (bits & 64) PL_bitcount[bits]++; | |
3485 | if (bits & 128) PL_bitcount[bits]++; | |
a0d0e21e LW |
3486 | } |
3487 | } | |
3488 | while (len >= 8) { | |
80252599 | 3489 | culong += PL_bitcount[*(unsigned char*)s++]; |
a0d0e21e LW |
3490 | len -= 8; |
3491 | } | |
3492 | if (len) { | |
3493 | bits = *s; | |
3494 | if (datumtype == 'b') { | |
3495 | while (len-- > 0) { | |
3496 | if (bits & 1) culong++; | |
3497 | bits >>= 1; | |
3498 | } | |
3499 | } | |
3500 | else { | |
3501 | while (len-- > 0) { | |
3502 | if (bits & 128) culong++; | |
3503 | bits <<= 1; | |
3504 | } | |
3505 | } | |
3506 | } | |
79072805 LW |
3507 | break; |
3508 | } | |
a0d0e21e LW |
3509 | sv = NEWSV(35, len + 1); |
3510 | SvCUR_set(sv, len); | |
3511 | SvPOK_on(sv); | |
abdc5761 | 3512 | str = SvPVX(sv); |
a0d0e21e LW |
3513 | if (datumtype == 'b') { |
3514 | aint = len; | |
3515 | for (len = 0; len < aint; len++) { | |
3516 | if (len & 7) /*SUPPRESS 595*/ | |
3517 | bits >>= 1; | |
3518 | else | |
3519 | bits = *s++; | |
abdc5761 | 3520 | *str++ = '0' + (bits & 1); |
a0d0e21e LW |
3521 | } |
3522 | } | |
3523 | else { | |
3524 | aint = len; | |
3525 | for (len = 0; len < aint; len++) { | |
3526 | if (len & 7) | |
3527 | bits <<= 1; | |
3528 | else | |
3529 | bits = *s++; | |
abdc5761 | 3530 | *str++ = '0' + ((bits & 128) != 0); |
a0d0e21e LW |
3531 | } |
3532 | } | |
abdc5761 | 3533 | *str = '\0'; |
a0d0e21e LW |
3534 | XPUSHs(sv_2mortal(sv)); |
3535 | break; | |
3536 | case 'H': | |
3537 | case 'h': | |
4b5b2118 | 3538 | if (star || len > (strend - s) * 2) |
a0d0e21e LW |
3539 | len = (strend - s) * 2; |
3540 | sv = NEWSV(35, len + 1); | |
3541 | SvCUR_set(sv, len); | |
3542 | SvPOK_on(sv); | |
abdc5761 | 3543 | str = SvPVX(sv); |
a0d0e21e LW |
3544 | if (datumtype == 'h') { |
3545 | aint = len; | |
3546 | for (len = 0; len < aint; len++) { | |
3547 | if (len & 1) | |
3548 | bits >>= 4; | |
3549 | else | |
3550 | bits = *s++; | |
abdc5761 | 3551 | *str++ = PL_hexdigit[bits & 15]; |
a0d0e21e LW |
3552 | } |
3553 | } | |
3554 | else { | |
3555 | aint = len; | |
3556 | for (len = 0; len < aint; len++) { | |
3557 | if (len & 1) | |
3558 | bits <<= 4; | |
3559 | else | |
3560 | bits = *s++; | |
abdc5761 | 3561 | *str++ = PL_hexdigit[(bits >> 4) & 15]; |
a0d0e21e LW |
3562 | } |
3563 | } | |
abdc5761 | 3564 | *str = '\0'; |
a0d0e21e LW |
3565 | XPUSHs(sv_2mortal(sv)); |
3566 | break; | |
3567 | case 'c': | |
3568 | if (len > strend - s) | |
3569 | len = strend - s; | |
3570 | if (checksum) { | |
3571 | while (len-- > 0) { | |
3572 | aint = *s++; | |
3573 | if (aint >= 128) /* fake up signed chars */ | |
3574 | aint -= 256; | |
3575 | culong += aint; | |
3576 | } | |
3577 | } | |
3578 | else { | |
3579 | EXTEND(SP, len); | |
bbce6d69 | 3580 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3581 | while (len-- > 0) { |
3582 | aint = *s++; | |
3583 | if (aint >= 128) /* fake up signed chars */ | |
3584 | aint -= 256; | |
3585 | sv = NEWSV(36, 0); | |
1e422769 | 3586 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3587 | PUSHs(sv_2mortal(sv)); |
3588 | } | |
3589 | } | |
3590 | break; | |
3591 | case 'C': | |
3592 | if (len > strend - s) | |
3593 | len = strend - s; | |
3594 | if (checksum) { | |
3595 | uchar_checksum: | |
3596 | while (len-- > 0) { | |
3597 | auint = *s++ & 255; | |
3598 | culong += auint; | |
3599 | } | |
3600 | } | |
3601 | else { | |
3602 | EXTEND(SP, len); | |
bbce6d69 | 3603 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3604 | while (len-- > 0) { |
3605 | auint = *s++ & 255; | |
3606 | sv = NEWSV(37, 0); | |
1e422769 | 3607 | sv_setiv(sv, (IV)auint); |
a0d0e21e LW |
3608 | PUSHs(sv_2mortal(sv)); |
3609 | } | |
3610 | } | |
3611 | break; | |
a0ed51b3 LW |
3612 | case 'U': |
3613 | if (len > strend - s) | |
3614 | len = strend - s; | |
3615 | if (checksum) { | |
3616 | while (len-- > 0 && s < strend) { | |
8e84507e | 3617 | auint = utf8_to_uv_chk((U8*)s, &along, 0); |
a0ed51b3 | 3618 | s += along; |
32d8b6e5 | 3619 | if (checksum > 32) |
65202027 | 3620 | cdouble += (NV)auint; |
32d8b6e5 GA |
3621 | else |
3622 | culong += auint; | |
a0ed51b3 LW |
3623 | } |
3624 | } | |
3625 | else { | |
3626 | EXTEND(SP, len); | |
3627 | EXTEND_MORTAL(len); | |
3628 | while (len-- > 0 && s < strend) { | |
8e84507e | 3629 | auint = utf8_to_uv_chk((U8*)s, &along, 0); |
a0ed51b3 LW |
3630 | s += along; |
3631 | sv = NEWSV(37, 0); | |
bdeef251 | 3632 | sv_setuv(sv, (UV)auint); |
a0ed51b3 LW |
3633 | PUSHs(sv_2mortal(sv)); |
3634 | } | |
3635 | } | |
3636 | break; | |
a0d0e21e | 3637 | case 's': |
726ea183 JH |
3638 | #if SHORTSIZE == SIZE16 |
3639 | along = (strend - s) / SIZE16; | |
3640 | #else | |
ef54e1a4 | 3641 | along = (strend - s) / (natint ? sizeof(short) : SIZE16); |
726ea183 | 3642 | #endif |
a0d0e21e LW |
3643 | if (len > along) |
3644 | len = along; | |
3645 | if (checksum) { | |
726ea183 | 3646 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3647 | if (natint) { |
bf9315bb | 3648 | short ashort; |
ef54e1a4 JH |
3649 | while (len-- > 0) { |
3650 | COPYNN(s, &ashort, sizeof(short)); | |
3651 | s += sizeof(short); | |
3652 | culong += ashort; | |
3653 | ||
3654 | } | |
3655 | } | |
726ea183 JH |
3656 | else |
3657 | #endif | |
3658 | { | |
ef54e1a4 JH |
3659 | while (len-- > 0) { |
3660 | COPY16(s, &ashort); | |
c67712b2 JH |
3661 | #if SHORTSIZE > SIZE16 |
3662 | if (ashort > 32767) | |
3663 | ashort -= 65536; | |
3664 | #endif | |
ef54e1a4 JH |
3665 | s += SIZE16; |
3666 | culong += ashort; | |
3667 | } | |
a0d0e21e LW |
3668 | } |
3669 | } | |
3670 | else { | |
3671 | EXTEND(SP, len); | |
bbce6d69 | 3672 | EXTEND_MORTAL(len); |
726ea183 | 3673 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3674 | if (natint) { |
bf9315bb | 3675 | short ashort; |
ef54e1a4 JH |
3676 | while (len-- > 0) { |
3677 | COPYNN(s, &ashort, sizeof(short)); | |
3678 | s += sizeof(short); | |
3679 | sv = NEWSV(38, 0); | |
3680 | sv_setiv(sv, (IV)ashort); | |
3681 | PUSHs(sv_2mortal(sv)); | |
3682 | } | |
3683 | } | |
726ea183 JH |
3684 | else |
3685 | #endif | |
3686 | { | |
ef54e1a4 JH |
3687 | while (len-- > 0) { |
3688 | COPY16(s, &ashort); | |
c67712b2 JH |
3689 | #if SHORTSIZE > SIZE16 |
3690 | if (ashort > 32767) | |
3691 | ashort -= 65536; | |
3692 | #endif | |
ef54e1a4 JH |
3693 | s += SIZE16; |
3694 | sv = NEWSV(38, 0); | |
3695 | sv_setiv(sv, (IV)ashort); | |
3696 | PUSHs(sv_2mortal(sv)); | |
3697 | } | |
a0d0e21e LW |
3698 | } |
3699 | } | |
3700 | break; | |
3701 | case 'v': | |
3702 | case 'n': | |
3703 | case 'S': | |
726ea183 JH |
3704 | #if SHORTSIZE == SIZE16 |
3705 | along = (strend - s) / SIZE16; | |
3706 | #else | |
ef54e1a4 JH |
3707 | unatint = natint && datumtype == 'S'; |
3708 | along = (strend - s) / (unatint ? sizeof(unsigned short) : SIZE16); | |
726ea183 | 3709 | #endif |
a0d0e21e LW |
3710 | if (len > along) |
3711 | len = along; | |
3712 | if (checksum) { | |
726ea183 | 3713 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3714 | if (unatint) { |
bf9315bb | 3715 | unsigned short aushort; |
ef54e1a4 JH |
3716 | while (len-- > 0) { |
3717 | COPYNN(s, &aushort, sizeof(unsigned short)); | |
3718 | s += sizeof(unsigned short); | |
3719 | culong += aushort; | |
3720 | } | |
3721 | } | |
726ea183 JH |
3722 | else |
3723 | #endif | |
3724 | { | |
ef54e1a4 JH |
3725 | while (len-- > 0) { |
3726 | COPY16(s, &aushort); | |
3727 | s += SIZE16; | |
a0d0e21e | 3728 | #ifdef HAS_NTOHS |
ef54e1a4 JH |
3729 | if (datumtype == 'n') |
3730 | aushort = PerlSock_ntohs(aushort); | |
79072805 | 3731 | #endif |
a0d0e21e | 3732 | #ifdef HAS_VTOHS |
ef54e1a4 JH |
3733 | if (datumtype == 'v') |
3734 | aushort = vtohs(aushort); | |
79072805 | 3735 | #endif |
ef54e1a4 JH |
3736 | culong += aushort; |
3737 | } | |
a0d0e21e LW |
3738 | } |
3739 | } | |
3740 | else { | |
3741 | EXTEND(SP, len); | |
bbce6d69 | 3742 | EXTEND_MORTAL(len); |
726ea183 | 3743 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3744 | if (unatint) { |
bf9315bb | 3745 | unsigned short aushort; |
ef54e1a4 JH |
3746 | while (len-- > 0) { |
3747 | COPYNN(s, &aushort, sizeof(unsigned short)); | |
3748 | s += sizeof(unsigned short); | |
3749 | sv = NEWSV(39, 0); | |
726ea183 | 3750 | sv_setiv(sv, (UV)aushort); |
ef54e1a4 JH |
3751 | PUSHs(sv_2mortal(sv)); |
3752 | } | |
3753 | } | |
726ea183 JH |
3754 | else |
3755 | #endif | |
3756 | { | |
ef54e1a4 JH |
3757 | while (len-- > 0) { |
3758 | COPY16(s, &aushort); | |
3759 | s += SIZE16; | |
3760 | sv = NEWSV(39, 0); | |
a0d0e21e | 3761 | #ifdef HAS_NTOHS |
ef54e1a4 JH |
3762 | if (datumtype == 'n') |
3763 | aushort = PerlSock_ntohs(aushort); | |
79072805 | 3764 | #endif |
a0d0e21e | 3765 | #ifdef HAS_VTOHS |
ef54e1a4 JH |
3766 | if (datumtype == 'v') |
3767 | aushort = vtohs(aushort); | |
79072805 | 3768 | #endif |
726ea183 | 3769 | sv_setiv(sv, (UV)aushort); |
ef54e1a4 JH |
3770 | PUSHs(sv_2mortal(sv)); |
3771 | } | |
a0d0e21e LW |
3772 | } |
3773 | } | |
3774 | break; | |
3775 | case 'i': | |
3776 | along = (strend - s) / sizeof(int); | |
3777 | if (len > along) | |
3778 | len = along; | |
3779 | if (checksum) { | |
3780 | while (len-- > 0) { | |
3781 | Copy(s, &aint, 1, int); | |
3782 | s += sizeof(int); | |
3783 | if (checksum > 32) | |
65202027 | 3784 | cdouble += (NV)aint; |
a0d0e21e LW |
3785 | else |
3786 | culong += aint; | |
3787 | } | |
3788 | } | |
3789 | else { | |
3790 | EXTEND(SP, len); | |
bbce6d69 | 3791 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3792 | while (len-- > 0) { |
3793 | Copy(s, &aint, 1, int); | |
3794 | s += sizeof(int); | |
3795 | sv = NEWSV(40, 0); | |
20408e3c GS |
3796 | #ifdef __osf__ |
3797 | /* Without the dummy below unpack("i", pack("i",-1)) | |
3798 | * return 0xFFffFFff instead of -1 for Digital Unix V4.0 | |
13476c87 JH |
3799 | * cc with optimization turned on. |
3800 | * | |
3801 | * The bug was detected in | |
3802 | * DEC C V5.8-009 on Digital UNIX V4.0 (Rev. 1091) (V4.0E) | |
3803 | * with optimization (-O4) turned on. | |
3804 | * DEC C V5.2-040 on Digital UNIX V4.0 (Rev. 564) (V4.0B) | |
3805 | * does not have this problem even with -O4. | |
3806 | * | |
3807 | * This bug was reported as DECC_BUGS 1431 | |
3808 | * and tracked internally as GEM_BUGS 7775. | |
3809 | * | |
3810 | * The bug is fixed in | |
3811 | * Tru64 UNIX V5.0: Compaq C V6.1-006 or later | |
3812 | * UNIX V4.0F support: DEC C V5.9-006 or later | |
3813 | * UNIX V4.0E support: DEC C V5.8-011 or later | |
3814 | * and also in DTK. | |
3815 | * | |
3816 | * See also few lines later for the same bug. | |
3817 | */ | |
20408e3c GS |
3818 | (aint) ? |
3819 | sv_setiv(sv, (IV)aint) : | |
3820 | #endif | |
1e422769 | 3821 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3822 | PUSHs(sv_2mortal(sv)); |
3823 | } | |
3824 | } | |
3825 | break; | |
3826 | case 'I': | |
3827 | along = (strend - s) / sizeof(unsigned int); | |
3828 | if (len > along) | |
3829 | len = along; | |
3830 | if (checksum) { | |
3831 | while (len-- > 0) { | |
3832 | Copy(s, &auint, 1, unsigned int); | |
3833 | s += sizeof(unsigned int); | |
3834 | if (checksum > 32) | |
65202027 | 3835 | cdouble += (NV)auint; |
a0d0e21e LW |
3836 | else |
3837 | culong += auint; | |
3838 | } | |
3839 | } | |
3840 | else { | |
3841 | EXTEND(SP, len); | |
bbce6d69 | 3842 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3843 | while (len-- > 0) { |
3844 | Copy(s, &auint, 1, unsigned int); | |
3845 | s += sizeof(unsigned int); | |
3846 | sv = NEWSV(41, 0); | |
9d645a59 AB |
3847 | #ifdef __osf__ |
3848 | /* Without the dummy below unpack("I", pack("I",0xFFFFFFFF)) | |
13476c87 JH |
3849 | * returns 1.84467440737096e+19 instead of 0xFFFFFFFF. |
3850 | * See details few lines earlier. */ | |
9d645a59 AB |
3851 | (auint) ? |
3852 | sv_setuv(sv, (UV)auint) : | |
3853 | #endif | |
1e422769 | 3854 | sv_setuv(sv, (UV)auint); |
a0d0e21e LW |
3855 | PUSHs(sv_2mortal(sv)); |
3856 | } | |
3857 | } | |
3858 | break; | |
3859 | case 'l': | |
726ea183 JH |
3860 | #if LONGSIZE == SIZE32 |
3861 | along = (strend - s) / SIZE32; | |
3862 | #else | |
ef54e1a4 | 3863 | along = (strend - s) / (natint ? sizeof(long) : SIZE32); |
726ea183 | 3864 | #endif |
a0d0e21e LW |
3865 | if (len > along) |
3866 | len = along; | |
3867 | if (checksum) { | |
726ea183 | 3868 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3869 | if (natint) { |
bf9315bb | 3870 | long along; |
ef54e1a4 JH |
3871 | while (len-- > 0) { |
3872 | COPYNN(s, &along, sizeof(long)); | |
3873 | s += sizeof(long); | |
3874 | if (checksum > 32) | |
65202027 | 3875 | cdouble += (NV)along; |
ef54e1a4 JH |
3876 | else |
3877 | culong += along; | |
3878 | } | |
3879 | } | |
726ea183 JH |
3880 | else |
3881 | #endif | |
3882 | { | |
ef54e1a4 JH |
3883 | while (len-- > 0) { |
3884 | COPY32(s, &along); | |
c67712b2 JH |
3885 | #if LONGSIZE > SIZE32 |
3886 | if (along > 2147483647) | |
3887 | along -= 4294967296; | |
3888 | #endif | |
ef54e1a4 JH |
3889 | s += SIZE32; |
3890 | if (checksum > 32) | |
65202027 | 3891 | cdouble += (NV)along; |
ef54e1a4 JH |
3892 | else |
3893 | culong += along; | |
3894 | } | |
a0d0e21e LW |
3895 | } |
3896 | } | |
3897 | else { | |
3898 | EXTEND(SP, len); | |
bbce6d69 | 3899 | EXTEND_MORTAL(len); |
726ea183 | 3900 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3901 | if (natint) { |
bf9315bb | 3902 | long along; |
ef54e1a4 JH |
3903 | while (len-- > 0) { |
3904 | COPYNN(s, &along, sizeof(long)); | |
3905 | s += sizeof(long); | |
3906 | sv = NEWSV(42, 0); | |
3907 | sv_setiv(sv, (IV)along); | |
3908 | PUSHs(sv_2mortal(sv)); | |
3909 | } | |
3910 | } | |
726ea183 JH |
3911 | else |
3912 | #endif | |
3913 | { | |
ef54e1a4 JH |
3914 | while (len-- > 0) { |
3915 | COPY32(s, &along); | |
c67712b2 JH |
3916 | #if LONGSIZE > SIZE32 |
3917 | if (along > 2147483647) | |
3918 | along -= 4294967296; | |
3919 | #endif | |
ef54e1a4 JH |
3920 | s += SIZE32; |
3921 | sv = NEWSV(42, 0); | |
3922 | sv_setiv(sv, (IV)along); | |
3923 | PUSHs(sv_2mortal(sv)); | |
3924 | } | |
a0d0e21e | 3925 | } |
79072805 | 3926 | } |
a0d0e21e LW |
3927 | break; |
3928 | case 'V': | |
3929 | case 'N': | |
3930 | case 'L': | |
726ea183 JH |
3931 | #if LONGSIZE == SIZE32 |
3932 | along = (strend - s) / SIZE32; | |
3933 | #else | |
3934 | unatint = natint && datumtype == 'L'; | |
ef54e1a4 | 3935 | along = (strend - s) / (unatint ? sizeof(unsigned long) : SIZE32); |
726ea183 | 3936 | #endif |
a0d0e21e LW |
3937 | if (len > along) |
3938 | len = along; | |
3939 | if (checksum) { | |
726ea183 | 3940 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3941 | if (unatint) { |
bf9315bb | 3942 | unsigned long aulong; |
ef54e1a4 JH |
3943 | while (len-- > 0) { |
3944 | COPYNN(s, &aulong, sizeof(unsigned long)); | |
3945 | s += sizeof(unsigned long); | |
3946 | if (checksum > 32) | |
65202027 | 3947 | cdouble += (NV)aulong; |
ef54e1a4 JH |
3948 | else |
3949 | culong += aulong; | |
3950 | } | |
3951 | } | |
726ea183 JH |
3952 | else |
3953 | #endif | |
3954 | { | |
ef54e1a4 JH |
3955 | while (len-- > 0) { |
3956 | COPY32(s, &aulong); | |
3957 | s += SIZE32; | |
a0d0e21e | 3958 | #ifdef HAS_NTOHL |
ef54e1a4 JH |
3959 | if (datumtype == 'N') |
3960 | aulong = PerlSock_ntohl(aulong); | |
79072805 | 3961 | #endif |
a0d0e21e | 3962 | #ifdef HAS_VTOHL |
ef54e1a4 JH |
3963 | if (datumtype == 'V') |
3964 | aulong = vtohl(aulong); | |
79072805 | 3965 | #endif |
ef54e1a4 | 3966 | if (checksum > 32) |
65202027 | 3967 | cdouble += (NV)aulong; |
ef54e1a4 JH |
3968 | else |
3969 | culong += aulong; | |
3970 | } | |
a0d0e21e LW |
3971 | } |
3972 | } | |
3973 | else { | |
3974 | EXTEND(SP, len); | |
bbce6d69 | 3975 | EXTEND_MORTAL(len); |
726ea183 | 3976 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3977 | if (unatint) { |
bf9315bb | 3978 | unsigned long aulong; |
ef54e1a4 JH |
3979 | while (len-- > 0) { |
3980 | COPYNN(s, &aulong, sizeof(unsigned long)); | |
3981 | s += sizeof(unsigned long); | |
3982 | sv = NEWSV(43, 0); | |
3983 | sv_setuv(sv, (UV)aulong); | |
3984 | PUSHs(sv_2mortal(sv)); | |
3985 | } | |
3986 | } | |
726ea183 JH |
3987 | else |
3988 | #endif | |
3989 | { | |
ef54e1a4 JH |
3990 | while (len-- > 0) { |
3991 | COPY32(s, &aulong); | |
3992 | s += SIZE32; | |
a0d0e21e | 3993 | #ifdef HAS_NTOHL |
ef54e1a4 JH |
3994 | if (datumtype == 'N') |
3995 | aulong = PerlSock_ntohl(aulong); | |
79072805 | 3996 | #endif |
a0d0e21e | 3997 | #ifdef HAS_VTOHL |
ef54e1a4 JH |
3998 | if (datumtype == 'V') |
3999 | aulong = vtohl(aulong); | |
79072805 | 4000 | #endif |
ef54e1a4 JH |
4001 | sv = NEWSV(43, 0); |
4002 | sv_setuv(sv, (UV)aulong); | |
4003 | PUSHs(sv_2mortal(sv)); | |
4004 | } | |
a0d0e21e LW |
4005 | } |
4006 | } | |
4007 | break; | |
4008 | case 'p': | |
4009 | along = (strend - s) / sizeof(char*); | |
4010 | if (len > along) | |
4011 | len = along; | |
4012 | EXTEND(SP, len); | |
bbce6d69 | 4013 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4014 | while (len-- > 0) { |
4015 | if (sizeof(char*) > strend - s) | |
4016 | break; | |
4017 | else { | |
4018 | Copy(s, &aptr, 1, char*); | |
4019 | s += sizeof(char*); | |
4020 | } | |
4021 | sv = NEWSV(44, 0); | |
4022 | if (aptr) | |
4023 | sv_setpv(sv, aptr); | |
4024 | PUSHs(sv_2mortal(sv)); | |
4025 | } | |
4026 | break; | |
def98dd4 | 4027 | case 'w': |
def98dd4 | 4028 | EXTEND(SP, len); |
bbce6d69 | 4029 | EXTEND_MORTAL(len); |
8ec5e241 | 4030 | { |
bbce6d69 | 4031 | UV auv = 0; |
4032 | U32 bytes = 0; | |
4033 | ||
4034 | while ((len > 0) && (s < strend)) { | |
4035 | auv = (auv << 7) | (*s & 0x7f); | |
4036 | if (!(*s++ & 0x80)) { | |
4037 | bytes = 0; | |
4038 | sv = NEWSV(40, 0); | |
4039 | sv_setuv(sv, auv); | |
4040 | PUSHs(sv_2mortal(sv)); | |
4041 | len--; | |
4042 | auv = 0; | |
4043 | } | |
4044 | else if (++bytes >= sizeof(UV)) { /* promote to string */ | |
bbce6d69 | 4045 | char *t; |
2d8e6c8d | 4046 | STRLEN n_a; |
bbce6d69 | 4047 | |
d2560b70 | 4048 | sv = Perl_newSVpvf(aTHX_ "%.*"UVf, (int)TYPE_DIGITS(UV), auv); |
bbce6d69 | 4049 | while (s < strend) { |
4050 | sv = mul128(sv, *s & 0x7f); | |
4051 | if (!(*s++ & 0x80)) { | |
4052 | bytes = 0; | |
4053 | break; | |
4054 | } | |
4055 | } | |
2d8e6c8d | 4056 | t = SvPV(sv, n_a); |
bbce6d69 | 4057 | while (*t == '0') |
4058 | t++; | |
4059 | sv_chop(sv, t); | |
4060 | PUSHs(sv_2mortal(sv)); | |
4061 | len--; | |
4062 | auv = 0; | |
4063 | } | |
4064 | } | |
4065 | if ((s >= strend) && bytes) | |
d470f89e | 4066 | DIE(aTHX_ "Unterminated compressed integer"); |
bbce6d69 | 4067 | } |
def98dd4 | 4068 | break; |
a0d0e21e LW |
4069 | case 'P': |
4070 | EXTEND(SP, 1); | |
4071 | if (sizeof(char*) > strend - s) | |
4072 | break; | |
4073 | else { | |
4074 | Copy(s, &aptr, 1, char*); | |
4075 | s += sizeof(char*); | |
4076 | } | |
4077 | sv = NEWSV(44, 0); | |
4078 | if (aptr) | |
4079 | sv_setpvn(sv, aptr, len); | |
4080 | PUSHs(sv_2mortal(sv)); | |
4081 | break; | |
6b8eaf93 | 4082 | #ifdef HAS_QUAD |
a0d0e21e | 4083 | case 'q': |
d4217c7e JH |
4084 | along = (strend - s) / sizeof(Quad_t); |
4085 | if (len > along) | |
4086 | len = along; | |
a0d0e21e | 4087 | EXTEND(SP, len); |
bbce6d69 | 4088 | EXTEND_MORTAL(len); |
a0d0e21e | 4089 | while (len-- > 0) { |
ecfc5424 | 4090 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e LW |
4091 | aquad = 0; |
4092 | else { | |
ecfc5424 AD |
4093 | Copy(s, &aquad, 1, Quad_t); |
4094 | s += sizeof(Quad_t); | |
a0d0e21e LW |
4095 | } |
4096 | sv = NEWSV(42, 0); | |
96e4d5b1 | 4097 | if (aquad >= IV_MIN && aquad <= IV_MAX) |
4098 | sv_setiv(sv, (IV)aquad); | |
4099 | else | |
65202027 | 4100 | sv_setnv(sv, (NV)aquad); |
a0d0e21e LW |
4101 | PUSHs(sv_2mortal(sv)); |
4102 | } | |
4103 | break; | |
4104 | case 'Q': | |
d4217c7e JH |
4105 | along = (strend - s) / sizeof(Quad_t); |
4106 | if (len > along) | |
4107 | len = along; | |
a0d0e21e | 4108 | EXTEND(SP, len); |
bbce6d69 | 4109 | EXTEND_MORTAL(len); |
a0d0e21e | 4110 | while (len-- > 0) { |
e862df63 | 4111 | if (s + sizeof(Uquad_t) > strend) |
a0d0e21e LW |
4112 | auquad = 0; |
4113 | else { | |
e862df63 HB |
4114 | Copy(s, &auquad, 1, Uquad_t); |
4115 | s += sizeof(Uquad_t); | |
a0d0e21e LW |
4116 | } |
4117 | sv = NEWSV(43, 0); | |
27612d38 | 4118 | if (auquad <= UV_MAX) |
96e4d5b1 | 4119 | sv_setuv(sv, (UV)auquad); |
4120 | else | |
65202027 | 4121 | sv_setnv(sv, (NV)auquad); |
a0d0e21e LW |
4122 | PUSHs(sv_2mortal(sv)); |
4123 | } | |
4124 | break; | |
79072805 | 4125 | #endif |
a0d0e21e LW |
4126 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
4127 | case 'f': | |
4128 | case 'F': | |
4129 | along = (strend - s) / sizeof(float); | |
4130 | if (len > along) | |
4131 | len = along; | |
4132 | if (checksum) { | |
4133 | while (len-- > 0) { | |
4134 | Copy(s, &afloat, 1, float); | |
4135 | s += sizeof(float); | |
4136 | cdouble += afloat; | |
4137 | } | |
4138 | } | |
4139 | else { | |
4140 | EXTEND(SP, len); | |
bbce6d69 | 4141 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4142 | while (len-- > 0) { |
4143 | Copy(s, &afloat, 1, float); | |
4144 | s += sizeof(float); | |
4145 | sv = NEWSV(47, 0); | |
65202027 | 4146 | sv_setnv(sv, (NV)afloat); |
a0d0e21e LW |
4147 | PUSHs(sv_2mortal(sv)); |
4148 | } | |
4149 | } | |
4150 | break; | |
4151 | case 'd': | |
4152 | case 'D': | |
4153 | along = (strend - s) / sizeof(double); | |
4154 | if (len > along) | |
4155 | len = along; | |
4156 | if (checksum) { | |
4157 | while (len-- > 0) { | |
4158 | Copy(s, &adouble, 1, double); | |
4159 | s += sizeof(double); | |
4160 | cdouble += adouble; | |
4161 | } | |
4162 | } | |
4163 | else { | |
4164 | EXTEND(SP, len); | |
bbce6d69 | 4165 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4166 | while (len-- > 0) { |
4167 | Copy(s, &adouble, 1, double); | |
4168 | s += sizeof(double); | |
4169 | sv = NEWSV(48, 0); | |
65202027 | 4170 | sv_setnv(sv, (NV)adouble); |
a0d0e21e LW |
4171 | PUSHs(sv_2mortal(sv)); |
4172 | } | |
4173 | } | |
4174 | break; | |
4175 | case 'u': | |
9d116dd7 JH |
4176 | /* MKS: |
4177 | * Initialise the decode mapping. By using a table driven | |
4178 | * algorithm, the code will be character-set independent | |
4179 | * (and just as fast as doing character arithmetic) | |
4180 | */ | |
80252599 | 4181 | if (PL_uudmap['M'] == 0) { |
9d116dd7 JH |
4182 | int i; |
4183 | ||
80252599 | 4184 | for (i = 0; i < sizeof(PL_uuemap); i += 1) |
155aba94 | 4185 | PL_uudmap[(U8)PL_uuemap[i]] = i; |
9d116dd7 JH |
4186 | /* |
4187 | * Because ' ' and '`' map to the same value, | |
4188 | * we need to decode them both the same. | |
4189 | */ | |
80252599 | 4190 | PL_uudmap[' '] = 0; |
9d116dd7 JH |
4191 | } |
4192 | ||
a0d0e21e LW |
4193 | along = (strend - s) * 3 / 4; |
4194 | sv = NEWSV(42, along); | |
f12c7020 | 4195 | if (along) |
4196 | SvPOK_on(sv); | |
9d116dd7 | 4197 | while (s < strend && *s > ' ' && ISUUCHAR(*s)) { |
a0d0e21e LW |
4198 | I32 a, b, c, d; |
4199 | char hunk[4]; | |
79072805 | 4200 | |
a0d0e21e | 4201 | hunk[3] = '\0'; |
155aba94 | 4202 | len = PL_uudmap[*(U8*)s++] & 077; |
a0d0e21e | 4203 | while (len > 0) { |
9d116dd7 | 4204 | if (s < strend && ISUUCHAR(*s)) |
155aba94 | 4205 | a = PL_uudmap[*(U8*)s++] & 077; |
9d116dd7 JH |
4206 | else |
4207 | a = 0; | |
4208 | if (s < strend && ISUUCHAR(*s)) | |
155aba94 | 4209 | b = PL_uudmap[*(U8*)s++] & 077; |
9d116dd7 JH |
4210 | else |
4211 | b = 0; | |
4212 | if (s < strend && ISUUCHAR(*s)) | |
155aba94 | 4213 | c = PL_uudmap[*(U8*)s++] & 077; |
9d116dd7 JH |
4214 | else |
4215 | c = 0; | |
4216 | if (s < strend && ISUUCHAR(*s)) | |
155aba94 | 4217 | d = PL_uudmap[*(U8*)s++] & 077; |
a0d0e21e LW |
4218 | else |
4219 | d = 0; | |
4e35701f NIS |
4220 | hunk[0] = (a << 2) | (b >> 4); |
4221 | hunk[1] = (b << 4) | (c >> 2); | |
4222 | hunk[2] = (c << 6) | d; | |
4223 | sv_catpvn(sv, hunk, (len > 3) ? 3 : len); | |
a0d0e21e LW |
4224 | len -= 3; |
4225 | } | |
4226 | if (*s == '\n') | |
4227 | s++; | |
4228 | else if (s[1] == '\n') /* possible checksum byte */ | |
4229 | s += 2; | |
79072805 | 4230 | } |
a0d0e21e LW |
4231 | XPUSHs(sv_2mortal(sv)); |
4232 | break; | |
79072805 | 4233 | } |
a0d0e21e LW |
4234 | if (checksum) { |
4235 | sv = NEWSV(42, 0); | |
4236 | if (strchr("fFdD", datumtype) || | |
32d8b6e5 | 4237 | (checksum > 32 && strchr("iIlLNU", datumtype)) ) { |
65202027 | 4238 | NV trouble; |
79072805 | 4239 | |
a0d0e21e LW |
4240 | adouble = 1.0; |
4241 | while (checksum >= 16) { | |
4242 | checksum -= 16; | |
4243 | adouble *= 65536.0; | |
4244 | } | |
4245 | while (checksum >= 4) { | |
4246 | checksum -= 4; | |
4247 | adouble *= 16.0; | |
4248 | } | |
4249 | while (checksum--) | |
4250 | adouble *= 2.0; | |
4251 | along = (1 << checksum) - 1; | |
4252 | while (cdouble < 0.0) | |
4253 | cdouble += adouble; | |
65202027 | 4254 | cdouble = Perl_modf(cdouble / adouble, &trouble) * adouble; |
a0d0e21e LW |
4255 | sv_setnv(sv, cdouble); |
4256 | } | |
4257 | else { | |
4258 | if (checksum < 32) { | |
96e4d5b1 | 4259 | aulong = (1 << checksum) - 1; |
4260 | culong &= aulong; | |
a0d0e21e | 4261 | } |
96e4d5b1 | 4262 | sv_setuv(sv, (UV)culong); |
a0d0e21e LW |
4263 | } |
4264 | XPUSHs(sv_2mortal(sv)); | |
4265 | checksum = 0; | |
79072805 | 4266 | } |
79072805 | 4267 | } |
dd58a1ab | 4268 | if (SP - PL_stack_base == start_sp_offset && gimme == G_SCALAR) |
3280af22 | 4269 | PUSHs(&PL_sv_undef); |
79072805 | 4270 | RETURN; |
79072805 LW |
4271 | } |
4272 | ||
76e3520e | 4273 | STATIC void |
cea2e8a9 | 4274 | S_doencodes(pTHX_ register SV *sv, register char *s, register I32 len) |
79072805 | 4275 | { |
a0d0e21e | 4276 | char hunk[5]; |
79072805 | 4277 | |
80252599 | 4278 | *hunk = PL_uuemap[len]; |
a0d0e21e LW |
4279 | sv_catpvn(sv, hunk, 1); |
4280 | hunk[4] = '\0'; | |
f264d472 | 4281 | while (len > 2) { |
80252599 GS |
4282 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
4283 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017)))]; | |
4284 | hunk[2] = PL_uuemap[(077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)))]; | |
4285 | hunk[3] = PL_uuemap[(077 & (s[2] & 077))]; | |
a0d0e21e LW |
4286 | sv_catpvn(sv, hunk, 4); |
4287 | s += 3; | |
4288 | len -= 3; | |
4289 | } | |
f264d472 GS |
4290 | if (len > 0) { |
4291 | char r = (len > 1 ? s[1] : '\0'); | |
80252599 GS |
4292 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
4293 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((r >> 4) & 017)))]; | |
4294 | hunk[2] = PL_uuemap[(077 & ((r << 2) & 074))]; | |
4295 | hunk[3] = PL_uuemap[0]; | |
f264d472 | 4296 | sv_catpvn(sv, hunk, 4); |
a0d0e21e LW |
4297 | } |
4298 | sv_catpvn(sv, "\n", 1); | |
79072805 LW |
4299 | } |
4300 | ||
79cb57f6 | 4301 | STATIC SV * |
cea2e8a9 | 4302 | S_is_an_int(pTHX_ char *s, STRLEN l) |
55497cff | 4303 | { |
2d8e6c8d | 4304 | STRLEN n_a; |
79cb57f6 | 4305 | SV *result = newSVpvn(s, l); |
2d8e6c8d | 4306 | char *result_c = SvPV(result, n_a); /* convenience */ |
55497cff | 4307 | char *out = result_c; |
4308 | bool skip = 1; | |
4309 | bool ignore = 0; | |
4310 | ||
4311 | while (*s) { | |
4312 | switch (*s) { | |
4313 | case ' ': | |
4314 | break; | |
4315 | case '+': | |
4316 | if (!skip) { | |
4317 | SvREFCNT_dec(result); | |
4318 | return (NULL); | |
4319 | } | |
4320 | break; | |
4321 | case '0': | |
4322 | case '1': | |
4323 | case '2': | |
4324 | case '3': | |
4325 | case '4': | |
4326 | case '5': | |
4327 | case '6': | |
4328 | case '7': | |
4329 | case '8': | |
4330 | case '9': | |
4331 | skip = 0; | |
4332 | if (!ignore) { | |
4333 | *(out++) = *s; | |
4334 | } | |
4335 | break; | |
4336 | case '.': | |
4337 | ignore = 1; | |
4338 | break; | |
4339 | default: | |
4340 | SvREFCNT_dec(result); | |
4341 | return (NULL); | |
4342 | } | |
4343 | s++; | |
4344 | } | |
4345 | *(out++) = '\0'; | |
4346 | SvCUR_set(result, out - result_c); | |
4347 | return (result); | |
4348 | } | |
4349 | ||
864dbfa3 | 4350 | /* pnum must be '\0' terminated */ |
76e3520e | 4351 | STATIC int |
cea2e8a9 | 4352 | S_div128(pTHX_ SV *pnum, bool *done) |
55497cff | 4353 | { |
4354 | STRLEN len; | |
4355 | char *s = SvPV(pnum, len); | |
4356 | int m = 0; | |
4357 | int r = 0; | |
4358 | char *t = s; | |
4359 | ||
4360 | *done = 1; | |
4361 | while (*t) { | |
4362 | int i; | |
4363 | ||
4364 | i = m * 10 + (*t - '0'); | |
4365 | m = i & 0x7F; | |
4366 | r = (i >> 7); /* r < 10 */ | |
4367 | if (r) { | |
4368 | *done = 0; | |
4369 | } | |
4370 | *(t++) = '0' + r; | |
4371 | } | |
4372 | *(t++) = '\0'; | |
4373 | SvCUR_set(pnum, (STRLEN) (t - s)); | |
4374 | return (m); | |
4375 | } | |
4376 | ||
4377 | ||
a0d0e21e | 4378 | PP(pp_pack) |
79072805 | 4379 | { |
4e35701f | 4380 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
4381 | register SV *cat = TARG; |
4382 | register I32 items; | |
4383 | STRLEN fromlen; | |
4384 | register char *pat = SvPVx(*++MARK, fromlen); | |
036b4402 | 4385 | char *patcopy; |
a0d0e21e LW |
4386 | register char *patend = pat + fromlen; |
4387 | register I32 len; | |
4388 | I32 datumtype; | |
4389 | SV *fromstr; | |
4390 | /*SUPPRESS 442*/ | |
4391 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; | |
4392 | static char *space10 = " "; | |
79072805 | 4393 | |
a0d0e21e LW |
4394 | /* These must not be in registers: */ |
4395 | char achar; | |
4396 | I16 ashort; | |
4397 | int aint; | |
4398 | unsigned int auint; | |
4399 | I32 along; | |
4400 | U32 aulong; | |
6b8eaf93 | 4401 | #ifdef HAS_QUAD |
ecfc5424 | 4402 | Quad_t aquad; |
e862df63 | 4403 | Uquad_t auquad; |
79072805 | 4404 | #endif |
a0d0e21e LW |
4405 | char *aptr; |
4406 | float afloat; | |
4407 | double adouble; | |
fb73857a | 4408 | int commas = 0; |
726ea183 | 4409 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 4410 | int natint; /* native integer */ |
726ea183 | 4411 | #endif |
79072805 | 4412 | |
a0d0e21e LW |
4413 | items = SP - MARK; |
4414 | MARK++; | |
4415 | sv_setpvn(cat, "", 0); | |
036b4402 | 4416 | patcopy = pat; |
a0d0e21e | 4417 | while (pat < patend) { |
43192e07 IP |
4418 | SV *lengthcode = Nullsv; |
4419 | #define NEXTFROM ( lengthcode ? lengthcode : items-- > 0 ? *MARK++ : &PL_sv_no) | |
bbdab043 | 4420 | datumtype = *pat++ & 0xFF; |
726ea183 | 4421 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 4422 | natint = 0; |
726ea183 | 4423 | #endif |
036b4402 GS |
4424 | if (isSPACE(datumtype)) { |
4425 | patcopy++; | |
bbdab043 | 4426 | continue; |
036b4402 | 4427 | } |
01ec43d0 | 4428 | if (datumtype == 'U' && pat == patcopy+1) |
036b4402 | 4429 | SvUTF8_on(cat); |
17f4a12d IZ |
4430 | if (datumtype == '#') { |
4431 | while (pat < patend && *pat != '\n') | |
4432 | pat++; | |
4433 | continue; | |
4434 | } | |
f61d411c | 4435 | if (*pat == '!') { |
ef54e1a4 JH |
4436 | char *natstr = "sSiIlL"; |
4437 | ||
4438 | if (strchr(natstr, datumtype)) { | |
726ea183 | 4439 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 4440 | natint = 1; |
726ea183 | 4441 | #endif |
ef54e1a4 JH |
4442 | pat++; |
4443 | } | |
4444 | else | |
d470f89e | 4445 | DIE(aTHX_ "'!' allowed only after types %s", natstr); |
ef54e1a4 | 4446 | } |
a0d0e21e LW |
4447 | if (*pat == '*') { |
4448 | len = strchr("@Xxu", datumtype) ? 0 : items; | |
4449 | pat++; | |
4450 | } | |
4451 | else if (isDIGIT(*pat)) { | |
4452 | len = *pat++ - '0'; | |
06387354 | 4453 | while (isDIGIT(*pat)) { |
a0d0e21e | 4454 | len = (len * 10) + (*pat++ - '0'); |
06387354 | 4455 | if (len < 0) |
d470f89e | 4456 | DIE(aTHX_ "Repeat count in pack overflows"); |
06387354 | 4457 | } |
a0d0e21e LW |
4458 | } |
4459 | else | |
4460 | len = 1; | |
17f4a12d | 4461 | if (*pat == '/') { |
43192e07 | 4462 | ++pat; |
155aba94 | 4463 | if ((*pat != 'a' && *pat != 'A' && *pat != 'Z') || pat[1] != '*') |
17f4a12d | 4464 | DIE(aTHX_ "/ must be followed by a*, A* or Z*"); |
43192e07 | 4465 | lengthcode = sv_2mortal(newSViv(sv_len(items > 0 |
3399f041 GS |
4466 | ? *MARK : &PL_sv_no) |
4467 | + (*pat == 'Z' ? 1 : 0))); | |
43192e07 | 4468 | } |
a0d0e21e LW |
4469 | switch(datumtype) { |
4470 | default: | |
d470f89e | 4471 | DIE(aTHX_ "Invalid type in pack: '%c'", (int)datumtype); |
fb73857a | 4472 | case ',': /* grandfather in commas but with a warning */ |
e476b1b5 GS |
4473 | if (commas++ == 0 && ckWARN(WARN_PACK)) |
4474 | Perl_warner(aTHX_ WARN_PACK, | |
43192e07 | 4475 | "Invalid type in pack: '%c'", (int)datumtype); |
fb73857a | 4476 | break; |
a0d0e21e | 4477 | case '%': |
cea2e8a9 | 4478 | DIE(aTHX_ "%% may only be used in unpack"); |
a0d0e21e LW |
4479 | case '@': |
4480 | len -= SvCUR(cat); | |
4481 | if (len > 0) | |
4482 | goto grow; | |
4483 | len = -len; | |
4484 | if (len > 0) | |
4485 | goto shrink; | |
4486 | break; | |
4487 | case 'X': | |
4488 | shrink: | |
4489 | if (SvCUR(cat) < len) | |
cea2e8a9 | 4490 | DIE(aTHX_ "X outside of string"); |
a0d0e21e LW |
4491 | SvCUR(cat) -= len; |
4492 | *SvEND(cat) = '\0'; | |
4493 | break; | |
4494 | case 'x': | |
4495 | grow: | |
4496 | while (len >= 10) { | |
4497 | sv_catpvn(cat, null10, 10); | |
4498 | len -= 10; | |
4499 | } | |
4500 | sv_catpvn(cat, null10, len); | |
4501 | break; | |
4502 | case 'A': | |
5a929a98 | 4503 | case 'Z': |
a0d0e21e LW |
4504 | case 'a': |
4505 | fromstr = NEXTFROM; | |
4506 | aptr = SvPV(fromstr, fromlen); | |
2b6c5635 | 4507 | if (pat[-1] == '*') { |
a0d0e21e | 4508 | len = fromlen; |
2b6c5635 GS |
4509 | if (datumtype == 'Z') |
4510 | ++len; | |
4511 | } | |
4512 | if (fromlen >= len) { | |
a0d0e21e | 4513 | sv_catpvn(cat, aptr, len); |
2b6c5635 GS |
4514 | if (datumtype == 'Z') |
4515 | *(SvEND(cat)-1) = '\0'; | |
4516 | } | |
a0d0e21e LW |
4517 | else { |
4518 | sv_catpvn(cat, aptr, fromlen); | |
4519 | len -= fromlen; | |
4520 | if (datumtype == 'A') { | |
4521 | while (len >= 10) { | |
4522 | sv_catpvn(cat, space10, 10); | |
4523 | len -= 10; | |
4524 | } | |
4525 | sv_catpvn(cat, space10, len); | |
4526 | } | |
4527 | else { | |
4528 | while (len >= 10) { | |
4529 | sv_catpvn(cat, null10, 10); | |
4530 | len -= 10; | |
4531 | } | |
4532 | sv_catpvn(cat, null10, len); | |
4533 | } | |
4534 | } | |
4535 | break; | |
4536 | case 'B': | |
4537 | case 'b': | |
4538 | { | |
abdc5761 | 4539 | register char *str; |
a0d0e21e | 4540 | I32 saveitems; |
79072805 | 4541 | |
a0d0e21e LW |
4542 | fromstr = NEXTFROM; |
4543 | saveitems = items; | |
abdc5761 | 4544 | str = SvPV(fromstr, fromlen); |
a0d0e21e LW |
4545 | if (pat[-1] == '*') |
4546 | len = fromlen; | |
a0d0e21e LW |
4547 | aint = SvCUR(cat); |
4548 | SvCUR(cat) += (len+7)/8; | |
4549 | SvGROW(cat, SvCUR(cat) + 1); | |
4550 | aptr = SvPVX(cat) + aint; | |
4551 | if (len > fromlen) | |
4552 | len = fromlen; | |
4553 | aint = len; | |
4554 | items = 0; | |
4555 | if (datumtype == 'B') { | |
4556 | for (len = 0; len++ < aint;) { | |
abdc5761 | 4557 | items |= *str++ & 1; |
a0d0e21e LW |
4558 | if (len & 7) |
4559 | items <<= 1; | |
4560 | else { | |
4561 | *aptr++ = items & 0xff; | |
4562 | items = 0; | |
4563 | } | |
4564 | } | |
4565 | } | |
4566 | else { | |
4567 | for (len = 0; len++ < aint;) { | |
abdc5761 | 4568 | if (*str++ & 1) |
a0d0e21e LW |
4569 | items |= 128; |
4570 | if (len & 7) | |
4571 | items >>= 1; | |
4572 | else { | |
4573 | *aptr++ = items & 0xff; | |
4574 | items = 0; | |
4575 | } | |
4576 | } | |
4577 | } | |
4578 | if (aint & 7) { | |
4579 | if (datumtype == 'B') | |
4580 | items <<= 7 - (aint & 7); | |
4581 | else | |
4582 | items >>= 7 - (aint & 7); | |
4583 | *aptr++ = items & 0xff; | |
4584 | } | |
abdc5761 GS |
4585 | str = SvPVX(cat) + SvCUR(cat); |
4586 | while (aptr <= str) | |
a0d0e21e | 4587 | *aptr++ = '\0'; |
79072805 | 4588 | |
a0d0e21e LW |
4589 | items = saveitems; |
4590 | } | |
4591 | break; | |
4592 | case 'H': | |
4593 | case 'h': | |
4594 | { | |
abdc5761 | 4595 | register char *str; |
a0d0e21e | 4596 | I32 saveitems; |
79072805 | 4597 | |
a0d0e21e LW |
4598 | fromstr = NEXTFROM; |
4599 | saveitems = items; | |
abdc5761 | 4600 | str = SvPV(fromstr, fromlen); |
a0d0e21e LW |
4601 | if (pat[-1] == '*') |
4602 | len = fromlen; | |
a0d0e21e LW |
4603 | aint = SvCUR(cat); |
4604 | SvCUR(cat) += (len+1)/2; | |
4605 | SvGROW(cat, SvCUR(cat) + 1); | |
4606 | aptr = SvPVX(cat) + aint; | |
4607 | if (len > fromlen) | |
4608 | len = fromlen; | |
4609 | aint = len; | |
4610 | items = 0; | |
4611 | if (datumtype == 'H') { | |
4612 | for (len = 0; len++ < aint;) { | |
abdc5761 GS |
4613 | if (isALPHA(*str)) |
4614 | items |= ((*str++ & 15) + 9) & 15; | |
a0d0e21e | 4615 | else |
abdc5761 | 4616 | items |= *str++ & 15; |
a0d0e21e LW |
4617 | if (len & 1) |
4618 | items <<= 4; | |
4619 | else { | |
4620 | *aptr++ = items & 0xff; | |
4621 | items = 0; | |
4622 | } | |
4623 | } | |
4624 | } | |
4625 | else { | |
4626 | for (len = 0; len++ < aint;) { | |
abdc5761 GS |
4627 | if (isALPHA(*str)) |
4628 | items |= (((*str++ & 15) + 9) & 15) << 4; | |
a0d0e21e | 4629 | else |
abdc5761 | 4630 | items |= (*str++ & 15) << 4; |
a0d0e21e LW |
4631 | if (len & 1) |
4632 | items >>= 4; | |
4633 | else { | |
4634 | *aptr++ = items & 0xff; | |
4635 | items = 0; | |
4636 | } | |
4637 | } | |
4638 | } | |
4639 | if (aint & 1) | |
4640 | *aptr++ = items & 0xff; | |
abdc5761 GS |
4641 | str = SvPVX(cat) + SvCUR(cat); |
4642 | while (aptr <= str) | |
a0d0e21e | 4643 | *aptr++ = '\0'; |
79072805 | 4644 | |
a0d0e21e LW |
4645 | items = saveitems; |
4646 | } | |
4647 | break; | |
4648 | case 'C': | |
4649 | case 'c': | |
4650 | while (len-- > 0) { | |
4651 | fromstr = NEXTFROM; | |
4652 | aint = SvIV(fromstr); | |
4653 | achar = aint; | |
4654 | sv_catpvn(cat, &achar, sizeof(char)); | |
4655 | } | |
4656 | break; | |
a0ed51b3 LW |
4657 | case 'U': |
4658 | while (len-- > 0) { | |
4659 | fromstr = NEXTFROM; | |
4660 | auint = SvUV(fromstr); | |
806e7201 | 4661 | SvGROW(cat, SvCUR(cat) + UTF8_MAXLEN); |
dfe13c55 GS |
4662 | SvCUR_set(cat, (char*)uv_to_utf8((U8*)SvEND(cat),auint) |
4663 | - SvPVX(cat)); | |
a0ed51b3 LW |
4664 | } |
4665 | *SvEND(cat) = '\0'; | |
4666 | break; | |
a0d0e21e LW |
4667 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
4668 | case 'f': | |
4669 | case 'F': | |
4670 | while (len-- > 0) { | |
4671 | fromstr = NEXTFROM; | |
4672 | afloat = (float)SvNV(fromstr); | |
4673 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); | |
4674 | } | |
4675 | break; | |
4676 | case 'd': | |
4677 | case 'D': | |
4678 | while (len-- > 0) { | |
4679 | fromstr = NEXTFROM; | |
4680 | adouble = (double)SvNV(fromstr); | |
4681 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); | |
4682 | } | |
4683 | break; | |
4684 | case 'n': | |
4685 | while (len-- > 0) { | |
4686 | fromstr = NEXTFROM; | |
4687 | ashort = (I16)SvIV(fromstr); | |
4688 | #ifdef HAS_HTONS | |
6ad3d225 | 4689 | ashort = PerlSock_htons(ashort); |
79072805 | 4690 | #endif |
96e4d5b1 | 4691 | CAT16(cat, &ashort); |
a0d0e21e LW |
4692 | } |
4693 | break; | |
4694 | case 'v': | |
4695 | while (len-- > 0) { | |
4696 | fromstr = NEXTFROM; | |
4697 | ashort = (I16)SvIV(fromstr); | |
4698 | #ifdef HAS_HTOVS | |
4699 | ashort = htovs(ashort); | |
79072805 | 4700 | #endif |
96e4d5b1 | 4701 | CAT16(cat, &ashort); |
a0d0e21e LW |
4702 | } |
4703 | break; | |
4704 | case 'S': | |
726ea183 | 4705 | #if SHORTSIZE != SIZE16 |
ef54e1a4 JH |
4706 | if (natint) { |
4707 | unsigned short aushort; | |
4708 | ||
4709 | while (len-- > 0) { | |
4710 | fromstr = NEXTFROM; | |
4711 | aushort = SvUV(fromstr); | |
4712 | sv_catpvn(cat, (char *)&aushort, sizeof(unsigned short)); | |
4713 | } | |
4714 | } | |
726ea183 JH |
4715 | else |
4716 | #endif | |
4717 | { | |
ef54e1a4 JH |
4718 | U16 aushort; |
4719 | ||
4720 | while (len-- > 0) { | |
4721 | fromstr = NEXTFROM; | |
726ea183 | 4722 | aushort = (U16)SvUV(fromstr); |
ef54e1a4 JH |
4723 | CAT16(cat, &aushort); |
4724 | } | |
726ea183 | 4725 | |
ef54e1a4 JH |
4726 | } |
4727 | break; | |
a0d0e21e | 4728 | case 's': |
c67712b2 | 4729 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 4730 | if (natint) { |
bf9315bb GS |
4731 | short ashort; |
4732 | ||
ef54e1a4 JH |
4733 | while (len-- > 0) { |
4734 | fromstr = NEXTFROM; | |
4735 | ashort = SvIV(fromstr); | |
4736 | sv_catpvn(cat, (char *)&ashort, sizeof(short)); | |
4737 | } | |
4738 | } | |
726ea183 JH |
4739 | else |
4740 | #endif | |
4741 | { | |
ef54e1a4 JH |
4742 | while (len-- > 0) { |
4743 | fromstr = NEXTFROM; | |
4744 | ashort = (I16)SvIV(fromstr); | |
4745 | CAT16(cat, &ashort); | |
4746 | } | |
a0d0e21e LW |
4747 | } |
4748 | break; | |
4749 | case 'I': | |
4750 | while (len-- > 0) { | |
4751 | fromstr = NEXTFROM; | |
96e4d5b1 | 4752 | auint = SvUV(fromstr); |
a0d0e21e LW |
4753 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
4754 | } | |
4755 | break; | |
def98dd4 UP |
4756 | case 'w': |
4757 | while (len-- > 0) { | |
bbce6d69 | 4758 | fromstr = NEXTFROM; |
65202027 | 4759 | adouble = Perl_floor(SvNV(fromstr)); |
bbce6d69 | 4760 | |
4761 | if (adouble < 0) | |
d470f89e | 4762 | DIE(aTHX_ "Cannot compress negative numbers"); |
bbce6d69 | 4763 | |
46fc3d4c | 4764 | if ( |
8bda1795 ML |
4765 | #if UVSIZE > 4 && UVSIZE >= NVSIZE |
4766 | adouble <= 0xffffffff | |
ef2d312d | 4767 | #else |
8bda1795 ML |
4768 | # ifdef CXUX_BROKEN_CONSTANT_CONVERT |
4769 | adouble <= UV_MAX_cxux | |
4770 | # else | |
46fc3d4c | 4771 | adouble <= UV_MAX |
8bda1795 | 4772 | # endif |
46fc3d4c | 4773 | #endif |
4774 | ) | |
4775 | { | |
bbce6d69 | 4776 | char buf[1 + sizeof(UV)]; |
4777 | char *in = buf + sizeof(buf); | |
db7c17d7 | 4778 | UV auv = U_V(adouble); |
bbce6d69 | 4779 | |
4780 | do { | |
4781 | *--in = (auv & 0x7f) | 0x80; | |
4782 | auv >>= 7; | |
4783 | } while (auv); | |
4784 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
4785 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
4786 | } | |
4787 | else if (SvPOKp(fromstr)) { /* decimal string arithmetics */ | |
4788 | char *from, *result, *in; | |
4789 | SV *norm; | |
4790 | STRLEN len; | |
4791 | bool done; | |
8ec5e241 | 4792 | |
bbce6d69 | 4793 | /* Copy string and check for compliance */ |
4794 | from = SvPV(fromstr, len); | |
4795 | if ((norm = is_an_int(from, len)) == NULL) | |
d470f89e | 4796 | DIE(aTHX_ "can compress only unsigned integer"); |
bbce6d69 | 4797 | |
4798 | New('w', result, len, char); | |
4799 | in = result + len; | |
4800 | done = FALSE; | |
4801 | while (!done) | |
4802 | *--in = div128(norm, &done) | 0x80; | |
4803 | result[len - 1] &= 0x7F; /* clear continue bit */ | |
4804 | sv_catpvn(cat, in, (result + len) - in); | |
5f05dabc | 4805 | Safefree(result); |
bbce6d69 | 4806 | SvREFCNT_dec(norm); /* free norm */ |
def98dd4 | 4807 | } |
bbce6d69 | 4808 | else if (SvNOKp(fromstr)) { |
4809 | char buf[sizeof(double) * 2]; /* 8/7 <= 2 */ | |
4810 | char *in = buf + sizeof(buf); | |
4811 | ||
4812 | do { | |
4813 | double next = floor(adouble / 128); | |
4814 | *--in = (unsigned char)(adouble - (next * 128)) | 0x80; | |
4815 | if (--in < buf) /* this cannot happen ;-) */ | |
d470f89e | 4816 | DIE(aTHX_ "Cannot compress integer"); |
bbce6d69 | 4817 | adouble = next; |
4818 | } while (adouble > 0); | |
4819 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
4820 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
4821 | } | |
4822 | else | |
d470f89e | 4823 | DIE(aTHX_ "Cannot compress non integer"); |
bbce6d69 | 4824 | } |
def98dd4 | 4825 | break; |
a0d0e21e LW |
4826 | case 'i': |
4827 | while (len-- > 0) { | |
4828 | fromstr = NEXTFROM; | |
4829 | aint = SvIV(fromstr); | |
4830 | sv_catpvn(cat, (char*)&aint, sizeof(int)); | |
4831 | } | |
4832 | break; | |
4833 | case 'N': | |
4834 | while (len-- > 0) { | |
4835 | fromstr = NEXTFROM; | |
96e4d5b1 | 4836 | aulong = SvUV(fromstr); |
a0d0e21e | 4837 | #ifdef HAS_HTONL |
6ad3d225 | 4838 | aulong = PerlSock_htonl(aulong); |
79072805 | 4839 | #endif |
96e4d5b1 | 4840 | CAT32(cat, &aulong); |
a0d0e21e LW |
4841 | } |
4842 | break; | |
4843 | case 'V': | |
4844 | while (len-- > 0) { | |
4845 | fromstr = NEXTFROM; | |
96e4d5b1 | 4846 | aulong = SvUV(fromstr); |
a0d0e21e LW |
4847 | #ifdef HAS_HTOVL |
4848 | aulong = htovl(aulong); | |
79072805 | 4849 | #endif |
96e4d5b1 | 4850 | CAT32(cat, &aulong); |
a0d0e21e LW |
4851 | } |
4852 | break; | |
4853 | case 'L': | |
726ea183 | 4854 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 4855 | if (natint) { |
bf9315bb GS |
4856 | unsigned long aulong; |
4857 | ||
ef54e1a4 JH |
4858 | while (len-- > 0) { |
4859 | fromstr = NEXTFROM; | |
4860 | aulong = SvUV(fromstr); | |
4861 | sv_catpvn(cat, (char *)&aulong, sizeof(unsigned long)); | |
4862 | } | |
4863 | } | |
726ea183 JH |
4864 | else |
4865 | #endif | |
4866 | { | |
ef54e1a4 JH |
4867 | while (len-- > 0) { |
4868 | fromstr = NEXTFROM; | |
4869 | aulong = SvUV(fromstr); | |
4870 | CAT32(cat, &aulong); | |
4871 | } | |
a0d0e21e LW |
4872 | } |
4873 | break; | |
4874 | case 'l': | |
726ea183 | 4875 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 4876 | if (natint) { |
bf9315bb GS |
4877 | long along; |
4878 | ||
ef54e1a4 JH |
4879 | while (len-- > 0) { |
4880 | fromstr = NEXTFROM; | |
4881 | along = SvIV(fromstr); | |
4882 | sv_catpvn(cat, (char *)&along, sizeof(long)); | |
4883 | } | |
4884 | } | |
726ea183 JH |
4885 | else |
4886 | #endif | |
4887 | { | |
ef54e1a4 JH |
4888 | while (len-- > 0) { |
4889 | fromstr = NEXTFROM; | |
4890 | along = SvIV(fromstr); | |
4891 | CAT32(cat, &along); | |
4892 | } | |
a0d0e21e LW |
4893 | } |
4894 | break; | |
6b8eaf93 | 4895 | #ifdef HAS_QUAD |
a0d0e21e LW |
4896 | case 'Q': |
4897 | while (len-- > 0) { | |
4898 | fromstr = NEXTFROM; | |
bf9315bb | 4899 | auquad = (Uquad_t)SvUV(fromstr); |
e862df63 | 4900 | sv_catpvn(cat, (char*)&auquad, sizeof(Uquad_t)); |
a0d0e21e LW |
4901 | } |
4902 | break; | |
4903 | case 'q': | |
4904 | while (len-- > 0) { | |
4905 | fromstr = NEXTFROM; | |
ecfc5424 AD |
4906 | aquad = (Quad_t)SvIV(fromstr); |
4907 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); | |
a0d0e21e LW |
4908 | } |
4909 | break; | |
1b8cd678 | 4910 | #endif |
a0d0e21e LW |
4911 | case 'P': |
4912 | len = 1; /* assume SV is correct length */ | |
4913 | /* FALL THROUGH */ | |
4914 | case 'p': | |
4915 | while (len-- > 0) { | |
4916 | fromstr = NEXTFROM; | |
3280af22 | 4917 | if (fromstr == &PL_sv_undef) |
84902520 | 4918 | aptr = NULL; |
72dbcb4b | 4919 | else { |
2d8e6c8d | 4920 | STRLEN n_a; |
84902520 TB |
4921 | /* XXX better yet, could spirit away the string to |
4922 | * a safe spot and hang on to it until the result | |
4923 | * of pack() (and all copies of the result) are | |
4924 | * gone. | |
4925 | */ | |
e476b1b5 | 4926 | if (ckWARN(WARN_PACK) && (SvTEMP(fromstr) |
014822e4 GS |
4927 | || (SvPADTMP(fromstr) |
4928 | && !SvREADONLY(fromstr)))) | |
4929 | { | |
e476b1b5 | 4930 | Perl_warner(aTHX_ WARN_PACK, |
599cee73 | 4931 | "Attempt to pack pointer to temporary value"); |
014822e4 | 4932 | } |
84902520 | 4933 | if (SvPOK(fromstr) || SvNIOK(fromstr)) |
2d8e6c8d | 4934 | aptr = SvPV(fromstr,n_a); |
84902520 | 4935 | else |
2d8e6c8d | 4936 | aptr = SvPV_force(fromstr,n_a); |
72dbcb4b | 4937 | } |
a0d0e21e LW |
4938 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
4939 | } | |
4940 | break; | |
4941 | case 'u': | |
4942 | fromstr = NEXTFROM; | |
4943 | aptr = SvPV(fromstr, fromlen); | |
4944 | SvGROW(cat, fromlen * 4 / 3); | |
4945 | if (len <= 1) | |
4946 | len = 45; | |
4947 | else | |
4948 | len = len / 3 * 3; | |
4949 | while (fromlen > 0) { | |
4950 | I32 todo; | |
79072805 | 4951 | |
a0d0e21e LW |
4952 | if (fromlen > len) |
4953 | todo = len; | |
4954 | else | |
4955 | todo = fromlen; | |
4956 | doencodes(cat, aptr, todo); | |
4957 | fromlen -= todo; | |
4958 | aptr += todo; | |
4959 | } | |
4960 | break; | |
4961 | } | |
4962 | } | |
4963 | SvSETMAGIC(cat); | |
4964 | SP = ORIGMARK; | |
4965 | PUSHs(cat); | |
4966 | RETURN; | |
79072805 | 4967 | } |
a0d0e21e | 4968 | #undef NEXTFROM |
79072805 | 4969 | |
8ec5e241 | 4970 | |
a0d0e21e | 4971 | PP(pp_split) |
79072805 | 4972 | { |
4e35701f | 4973 | djSP; dTARG; |
a0d0e21e LW |
4974 | AV *ary; |
4975 | register I32 limit = POPi; /* note, negative is forever */ | |
4976 | SV *sv = POPs; | |
4977 | STRLEN len; | |
4978 | register char *s = SvPV(sv, len); | |
4979 | char *strend = s + len; | |
44a8e56a | 4980 | register PMOP *pm; |
d9f97599 | 4981 | register REGEXP *rx; |
a0d0e21e LW |
4982 | register SV *dstr; |
4983 | register char *m; | |
4984 | I32 iters = 0; | |
4985 | I32 maxiters = (strend - s) + 10; | |
4986 | I32 i; | |
4987 | char *orig; | |
4988 | I32 origlimit = limit; | |
4989 | I32 realarray = 0; | |
4990 | I32 base; | |
3280af22 | 4991 | AV *oldstack = PL_curstack; |
54310121 | 4992 | I32 gimme = GIMME_V; |
3280af22 | 4993 | I32 oldsave = PL_savestack_ix; |
8ec5e241 NIS |
4994 | I32 make_mortal = 1; |
4995 | MAGIC *mg = (MAGIC *) NULL; | |
79072805 | 4996 | |
44a8e56a | 4997 | #ifdef DEBUGGING |
4998 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
4999 | #else | |
5000 | pm = (PMOP*)POPs; | |
5001 | #endif | |
a0d0e21e | 5002 | if (!pm || !s) |
cea2e8a9 | 5003 | DIE(aTHX_ "panic: do_split"); |
d9f97599 | 5004 | rx = pm->op_pmregexp; |
bbce6d69 | 5005 | |
5006 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
5007 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
5008 | ||
971a9dd3 GS |
5009 | if (pm->op_pmreplroot) { |
5010 | #ifdef USE_ITHREADS | |
5011 | ary = GvAVn((GV*)PL_curpad[(PADOFFSET)pm->op_pmreplroot]); | |
5012 | #else | |
a0d0e21e | 5013 | ary = GvAVn((GV*)pm->op_pmreplroot); |
971a9dd3 GS |
5014 | #endif |
5015 | } | |
a0d0e21e | 5016 | else if (gimme != G_ARRAY) |
6d4ff0d2 | 5017 | #ifdef USE_THREADS |
533c011a | 5018 | ary = (AV*)PL_curpad[0]; |
6d4ff0d2 | 5019 | #else |
3280af22 | 5020 | ary = GvAVn(PL_defgv); |
6d4ff0d2 | 5021 | #endif /* USE_THREADS */ |
79072805 | 5022 | else |
a0d0e21e LW |
5023 | ary = Nullav; |
5024 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
5025 | realarray = 1; | |
8ec5e241 | 5026 | PUTBACK; |
a0d0e21e LW |
5027 | av_extend(ary,0); |
5028 | av_clear(ary); | |
8ec5e241 | 5029 | SPAGAIN; |
155aba94 | 5030 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
8ec5e241 | 5031 | PUSHMARK(SP); |
33c27489 | 5032 | XPUSHs(SvTIED_obj((SV*)ary, mg)); |
8ec5e241 NIS |
5033 | } |
5034 | else { | |
1c0b011c NIS |
5035 | if (!AvREAL(ary)) { |
5036 | AvREAL_on(ary); | |
abff13bb | 5037 | AvREIFY_off(ary); |
1c0b011c | 5038 | for (i = AvFILLp(ary); i >= 0; i--) |
3280af22 | 5039 | AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */ |
1c0b011c NIS |
5040 | } |
5041 | /* temporarily switch stacks */ | |
3280af22 | 5042 | SWITCHSTACK(PL_curstack, ary); |
8ec5e241 | 5043 | make_mortal = 0; |
1c0b011c | 5044 | } |
79072805 | 5045 | } |
3280af22 | 5046 | base = SP - PL_stack_base; |
a0d0e21e LW |
5047 | orig = s; |
5048 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 5049 | if (pm->op_pmflags & PMf_LOCALE) { |
5050 | while (isSPACE_LC(*s)) | |
5051 | s++; | |
5052 | } | |
5053 | else { | |
5054 | while (isSPACE(*s)) | |
5055 | s++; | |
5056 | } | |
a0d0e21e | 5057 | } |
c07a80fd | 5058 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3280af22 NIS |
5059 | SAVEINT(PL_multiline); |
5060 | PL_multiline = pm->op_pmflags & PMf_MULTILINE; | |
c07a80fd | 5061 | } |
5062 | ||
a0d0e21e LW |
5063 | if (!limit) |
5064 | limit = maxiters + 2; | |
5065 | if (pm->op_pmflags & PMf_WHITE) { | |
5066 | while (--limit) { | |
bbce6d69 | 5067 | m = s; |
5068 | while (m < strend && | |
5069 | !((pm->op_pmflags & PMf_LOCALE) | |
5070 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
5071 | ++m; | |
a0d0e21e LW |
5072 | if (m >= strend) |
5073 | break; | |
bbce6d69 | 5074 | |
a0d0e21e LW |
5075 | dstr = NEWSV(30, m-s); |
5076 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5077 | if (make_mortal) |
a0d0e21e LW |
5078 | sv_2mortal(dstr); |
5079 | XPUSHs(dstr); | |
bbce6d69 | 5080 | |
5081 | s = m + 1; | |
5082 | while (s < strend && | |
5083 | ((pm->op_pmflags & PMf_LOCALE) | |
5084 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
5085 | ++s; | |
79072805 LW |
5086 | } |
5087 | } | |
f4091fba | 5088 | else if (strEQ("^", rx->precomp)) { |
a0d0e21e LW |
5089 | while (--limit) { |
5090 | /*SUPPRESS 530*/ | |
5091 | for (m = s; m < strend && *m != '\n'; m++) ; | |
5092 | m++; | |
5093 | if (m >= strend) | |
5094 | break; | |
5095 | dstr = NEWSV(30, m-s); | |
5096 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5097 | if (make_mortal) |
a0d0e21e LW |
5098 | sv_2mortal(dstr); |
5099 | XPUSHs(dstr); | |
5100 | s = m; | |
5101 | } | |
5102 | } | |
f722798b | 5103 | else if ((rx->reganch & RE_USE_INTUIT) && !rx->nparens |
d9f97599 GS |
5104 | && (rx->reganch & ROPT_CHECK_ALL) |
5105 | && !(rx->reganch & ROPT_ANCH)) { | |
f722798b IZ |
5106 | int tail = (rx->reganch & RE_INTUIT_TAIL); |
5107 | SV *csv = CALLREG_INTUIT_STRING(aTHX_ rx); | |
5108 | char c; | |
cf93c79d | 5109 | |
ca5b42cb GS |
5110 | len = rx->minlen; |
5111 | if (len == 1 && !tail) { | |
5112 | c = *SvPV(csv,len); | |
a0d0e21e | 5113 | while (--limit) { |
bbce6d69 | 5114 | /*SUPPRESS 530*/ |
f722798b | 5115 | for (m = s; m < strend && *m != c; m++) ; |
a0d0e21e LW |
5116 | if (m >= strend) |
5117 | break; | |
5118 | dstr = NEWSV(30, m-s); | |
5119 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5120 | if (make_mortal) |
a0d0e21e LW |
5121 | sv_2mortal(dstr); |
5122 | XPUSHs(dstr); | |
5123 | s = m + 1; | |
5124 | } | |
5125 | } | |
5126 | else { | |
5127 | #ifndef lint | |
5128 | while (s < strend && --limit && | |
f722798b IZ |
5129 | (m = fbm_instr((unsigned char*)s, (unsigned char*)strend, |
5130 | csv, PL_multiline ? FBMrf_MULTILINE : 0)) ) | |
79072805 | 5131 | #endif |
a0d0e21e LW |
5132 | { |
5133 | dstr = NEWSV(31, m-s); | |
5134 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5135 | if (make_mortal) |
a0d0e21e LW |
5136 | sv_2mortal(dstr); |
5137 | XPUSHs(dstr); | |
ca5b42cb | 5138 | s = m + len; /* Fake \n at the end */ |
a0d0e21e | 5139 | } |
463ee0b2 | 5140 | } |
463ee0b2 | 5141 | } |
a0d0e21e | 5142 | else { |
d9f97599 | 5143 | maxiters += (strend - s) * rx->nparens; |
f722798b IZ |
5144 | while (s < strend && --limit |
5145 | /* && (!rx->check_substr | |
5146 | || ((s = CALLREG_INTUIT_START(aTHX_ rx, sv, s, strend, | |
5147 | 0, NULL)))) | |
5148 | */ && CALLREGEXEC(aTHX_ rx, s, strend, orig, | |
5149 | 1 /* minend */, sv, NULL, 0)) | |
bbce6d69 | 5150 | { |
d9f97599 | 5151 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
cf93c79d | 5152 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
a0d0e21e LW |
5153 | m = s; |
5154 | s = orig; | |
cf93c79d | 5155 | orig = rx->subbeg; |
a0d0e21e LW |
5156 | s = orig + (m - s); |
5157 | strend = s + (strend - m); | |
5158 | } | |
cf93c79d | 5159 | m = rx->startp[0] + orig; |
a0d0e21e LW |
5160 | dstr = NEWSV(32, m-s); |
5161 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5162 | if (make_mortal) |
a0d0e21e LW |
5163 | sv_2mortal(dstr); |
5164 | XPUSHs(dstr); | |
d9f97599 GS |
5165 | if (rx->nparens) { |
5166 | for (i = 1; i <= rx->nparens; i++) { | |
cf93c79d IZ |
5167 | s = rx->startp[i] + orig; |
5168 | m = rx->endp[i] + orig; | |
748a9306 LW |
5169 | if (m && s) { |
5170 | dstr = NEWSV(33, m-s); | |
5171 | sv_setpvn(dstr, s, m-s); | |
5172 | } | |
5173 | else | |
5174 | dstr = NEWSV(33, 0); | |
8ec5e241 | 5175 | if (make_mortal) |
a0d0e21e LW |
5176 | sv_2mortal(dstr); |
5177 | XPUSHs(dstr); | |
5178 | } | |
5179 | } | |
cf93c79d | 5180 | s = rx->endp[0] + orig; |
a0d0e21e | 5181 | } |
79072805 | 5182 | } |
8ec5e241 | 5183 | |
c07a80fd | 5184 | LEAVE_SCOPE(oldsave); |
3280af22 | 5185 | iters = (SP - PL_stack_base) - base; |
a0d0e21e | 5186 | if (iters > maxiters) |
cea2e8a9 | 5187 | DIE(aTHX_ "Split loop"); |
8ec5e241 | 5188 | |
a0d0e21e LW |
5189 | /* keep field after final delim? */ |
5190 | if (s < strend || (iters && origlimit)) { | |
5191 | dstr = NEWSV(34, strend-s); | |
5192 | sv_setpvn(dstr, s, strend-s); | |
8ec5e241 | 5193 | if (make_mortal) |
a0d0e21e LW |
5194 | sv_2mortal(dstr); |
5195 | XPUSHs(dstr); | |
5196 | iters++; | |
79072805 | 5197 | } |
a0d0e21e | 5198 | else if (!origlimit) { |
b1dadf13 | 5199 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e LW |
5200 | iters--, SP--; |
5201 | } | |
8ec5e241 | 5202 | |
a0d0e21e | 5203 | if (realarray) { |
8ec5e241 | 5204 | if (!mg) { |
1c0b011c NIS |
5205 | SWITCHSTACK(ary, oldstack); |
5206 | if (SvSMAGICAL(ary)) { | |
5207 | PUTBACK; | |
5208 | mg_set((SV*)ary); | |
5209 | SPAGAIN; | |
5210 | } | |
5211 | if (gimme == G_ARRAY) { | |
5212 | EXTEND(SP, iters); | |
5213 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
5214 | SP += iters; | |
5215 | RETURN; | |
5216 | } | |
8ec5e241 | 5217 | } |
1c0b011c | 5218 | else { |
fb73857a | 5219 | PUTBACK; |
8ec5e241 | 5220 | ENTER; |
864dbfa3 | 5221 | call_method("PUSH",G_SCALAR|G_DISCARD); |
8ec5e241 | 5222 | LEAVE; |
fb73857a | 5223 | SPAGAIN; |
8ec5e241 NIS |
5224 | if (gimme == G_ARRAY) { |
5225 | /* EXTEND should not be needed - we just popped them */ | |
5226 | EXTEND(SP, iters); | |
5227 | for (i=0; i < iters; i++) { | |
5228 | SV **svp = av_fetch(ary, i, FALSE); | |
3280af22 | 5229 | PUSHs((svp) ? *svp : &PL_sv_undef); |
8ec5e241 | 5230 | } |
1c0b011c NIS |
5231 | RETURN; |
5232 | } | |
a0d0e21e LW |
5233 | } |
5234 | } | |
5235 | else { | |
5236 | if (gimme == G_ARRAY) | |
5237 | RETURN; | |
5238 | } | |
5239 | if (iters || !pm->op_pmreplroot) { | |
5240 | GETTARGET; | |
5241 | PUSHi(iters); | |
5242 | RETURN; | |
5243 | } | |
5244 | RETPUSHUNDEF; | |
79072805 | 5245 | } |
85e6fe83 | 5246 | |
c0329465 | 5247 | #ifdef USE_THREADS |
77a005ab | 5248 | void |
864dbfa3 | 5249 | Perl_unlock_condpair(pTHX_ void *svv) |
c0329465 MB |
5250 | { |
5251 | dTHR; | |
5252 | MAGIC *mg = mg_find((SV*)svv, 'm'); | |
8ec5e241 | 5253 | |
c0329465 | 5254 | if (!mg) |
cea2e8a9 | 5255 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking non-mutex"); |
c0329465 MB |
5256 | MUTEX_LOCK(MgMUTEXP(mg)); |
5257 | if (MgOWNER(mg) != thr) | |
cea2e8a9 | 5258 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking mutex that we don't own"); |
c0329465 MB |
5259 | MgOWNER(mg) = 0; |
5260 | COND_SIGNAL(MgOWNERCONDP(mg)); | |
b900a521 JH |
5261 | DEBUG_S(PerlIO_printf(Perl_debug_log, "0x%"UVxf": unlock 0x%"UVxf"\n", |
5262 | PTR2UV(thr), PTR2UV(svv));) | |
c0329465 MB |
5263 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
5264 | } | |
5265 | #endif /* USE_THREADS */ | |
5266 | ||
5267 | PP(pp_lock) | |
5268 | { | |
4e35701f | 5269 | djSP; |
c0329465 | 5270 | dTOPss; |
e55aaa0e MB |
5271 | SV *retsv = sv; |
5272 | #ifdef USE_THREADS | |
4755096e | 5273 | sv_lock(sv); |
c0329465 | 5274 | #endif /* USE_THREADS */ |
e55aaa0e MB |
5275 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
5276 | || SvTYPE(retsv) == SVt_PVCV) { | |
5277 | retsv = refto(retsv); | |
5278 | } | |
5279 | SETs(retsv); | |
c0329465 MB |
5280 | RETURN; |
5281 | } | |
a863c7d1 | 5282 | |
2faa37cc | 5283 | PP(pp_threadsv) |
a863c7d1 | 5284 | { |
57d3b86d | 5285 | #ifdef USE_THREADS |
155aba94 | 5286 | djSP; |
924508f0 | 5287 | EXTEND(SP, 1); |
533c011a NIS |
5288 | if (PL_op->op_private & OPpLVAL_INTRO) |
5289 | PUSHs(*save_threadsv(PL_op->op_targ)); | |
554b3eca | 5290 | else |
533c011a | 5291 | PUSHs(THREADSV(PL_op->op_targ)); |
fdb47d66 | 5292 | RETURN; |
a863c7d1 | 5293 | #else |
cea2e8a9 | 5294 | DIE(aTHX_ "tried to access per-thread data in non-threaded perl"); |
a863c7d1 | 5295 | #endif /* USE_THREADS */ |
a863c7d1 | 5296 | } |