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 | |
dfe9444c AD |
85 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ |
86 | it, since pid_t is an integral type. | |
87 | --AD 2/20/1998 | |
88 | */ | |
89 | #ifdef NEED_GETPID_PROTO | |
90 | extern Pid_t getpid (void); | |
8ac85365 NIS |
91 | #endif |
92 | ||
93a17b20 LW |
93 | PP(pp_stub) |
94 | { | |
4e35701f | 95 | djSP; |
54310121 | 96 | if (GIMME_V == G_SCALAR) |
3280af22 | 97 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
98 | RETURN; |
99 | } | |
100 | ||
79072805 LW |
101 | PP(pp_scalar) |
102 | { | |
103 | return NORMAL; | |
104 | } | |
105 | ||
106 | /* Pushy stuff. */ | |
107 | ||
93a17b20 LW |
108 | PP(pp_padav) |
109 | { | |
4e35701f | 110 | djSP; dTARGET; |
533c011a NIS |
111 | if (PL_op->op_private & OPpLVAL_INTRO) |
112 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
85e6fe83 | 113 | EXTEND(SP, 1); |
533c011a | 114 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 115 | PUSHs(TARG); |
93a17b20 | 116 | RETURN; |
85e6fe83 LW |
117 | } |
118 | if (GIMME == G_ARRAY) { | |
119 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
120 | EXTEND(SP, maxarg); | |
93965878 NIS |
121 | if (SvMAGICAL(TARG)) { |
122 | U32 i; | |
123 | for (i=0; i < maxarg; i++) { | |
124 | SV **svp = av_fetch((AV*)TARG, i, FALSE); | |
3280af22 | 125 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
126 | } |
127 | } | |
128 | else { | |
129 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
130 | } | |
85e6fe83 LW |
131 | SP += maxarg; |
132 | } | |
133 | else { | |
134 | SV* sv = sv_newmortal(); | |
135 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
136 | sv_setiv(sv, maxarg); | |
137 | PUSHs(sv); | |
138 | } | |
139 | RETURN; | |
93a17b20 LW |
140 | } |
141 | ||
142 | PP(pp_padhv) | |
143 | { | |
4e35701f | 144 | djSP; dTARGET; |
54310121 | 145 | I32 gimme; |
146 | ||
93a17b20 | 147 | XPUSHs(TARG); |
533c011a NIS |
148 | if (PL_op->op_private & OPpLVAL_INTRO) |
149 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
150 | if (PL_op->op_flags & OPf_REF) | |
93a17b20 | 151 | RETURN; |
54310121 | 152 | gimme = GIMME_V; |
153 | if (gimme == G_ARRAY) { | |
cea2e8a9 | 154 | RETURNOP(do_kv()); |
85e6fe83 | 155 | } |
54310121 | 156 | else if (gimme == G_SCALAR) { |
85e6fe83 | 157 | SV* sv = sv_newmortal(); |
46fc3d4c | 158 | if (HvFILL((HV*)TARG)) |
cea2e8a9 | 159 | Perl_sv_setpvf(aTHX_ sv, "%ld/%ld", |
46fc3d4c | 160 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); |
85e6fe83 LW |
161 | else |
162 | sv_setiv(sv, 0); | |
163 | SETs(sv); | |
85e6fe83 | 164 | } |
54310121 | 165 | RETURN; |
93a17b20 LW |
166 | } |
167 | ||
ed6116ce LW |
168 | PP(pp_padany) |
169 | { | |
cea2e8a9 | 170 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
ed6116ce LW |
171 | } |
172 | ||
79072805 LW |
173 | /* Translations. */ |
174 | ||
175 | PP(pp_rv2gv) | |
176 | { | |
b13b2135 | 177 | djSP; dTOPss; |
8ec5e241 | 178 | |
ed6116ce | 179 | if (SvROK(sv)) { |
a0d0e21e | 180 | wasref: |
f5284f61 IZ |
181 | tryAMAGICunDEREF(to_gv); |
182 | ||
ed6116ce | 183 | sv = SvRV(sv); |
b1dadf13 | 184 | if (SvTYPE(sv) == SVt_PVIO) { |
185 | GV *gv = (GV*) sv_newmortal(); | |
186 | gv_init(gv, 0, "", 0, 0); | |
187 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 188 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 189 | sv = (SV*) gv; |
ef54e1a4 JH |
190 | } |
191 | else if (SvTYPE(sv) != SVt_PVGV) | |
cea2e8a9 | 192 | DIE(aTHX_ "Not a GLOB reference"); |
79072805 LW |
193 | } |
194 | else { | |
93a17b20 | 195 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 | 196 | char *sym; |
c9d5ac95 | 197 | STRLEN len; |
748a9306 | 198 | |
a0d0e21e LW |
199 | if (SvGMAGICAL(sv)) { |
200 | mg_get(sv); | |
201 | if (SvROK(sv)) | |
202 | goto wasref; | |
203 | } | |
afd1915d | 204 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
b13b2135 | 205 | /* If this is a 'my' scalar and flag is set then vivify |
853846ea | 206 | * NI-S 1999/05/07 |
b13b2135 | 207 | */ |
1d8d4d2a | 208 | if (PL_op->op_private & OPpDEREF) { |
2c8ac474 GS |
209 | char *name; |
210 | GV *gv; | |
211 | if (cUNOP->op_targ) { | |
212 | STRLEN len; | |
213 | SV *namesv = PL_curpad[cUNOP->op_targ]; | |
214 | name = SvPV(namesv, len); | |
2d6d9f7a | 215 | gv = (GV*)NEWSV(0,0); |
2c8ac474 GS |
216 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
217 | } | |
218 | else { | |
219 | name = CopSTASHPV(PL_curcop); | |
220 | gv = newGVgen(name); | |
1d8d4d2a | 221 | } |
b13b2135 NIS |
222 | if (SvTYPE(sv) < SVt_RV) |
223 | sv_upgrade(sv, SVt_RV); | |
2c8ac474 | 224 | SvRV(sv) = (SV*)gv; |
853846ea | 225 | SvROK_on(sv); |
1d8d4d2a | 226 | SvSETMAGIC(sv); |
853846ea | 227 | goto wasref; |
2c8ac474 | 228 | } |
533c011a NIS |
229 | if (PL_op->op_flags & OPf_REF || |
230 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 231 | DIE(aTHX_ PL_no_usym, "a symbol"); |
599cee73 | 232 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 233 | report_uninit(); |
a0d0e21e LW |
234 | RETSETUNDEF; |
235 | } | |
c9d5ac95 | 236 | sym = SvPV(sv,len); |
35cd451c GS |
237 | if ((PL_op->op_flags & OPf_SPECIAL) && |
238 | !(PL_op->op_flags & OPf_MOD)) | |
239 | { | |
240 | sv = (SV*)gv_fetchpv(sym, FALSE, SVt_PVGV); | |
c9d5ac95 GS |
241 | if (!sv |
242 | && (!is_gv_magical(sym,len,0) | |
243 | || !(sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV)))) | |
244 | { | |
35cd451c | 245 | RETSETUNDEF; |
c9d5ac95 | 246 | } |
35cd451c GS |
247 | } |
248 | else { | |
249 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 250 | DIE(aTHX_ PL_no_symref, sym, "a symbol"); |
35cd451c GS |
251 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
252 | } | |
93a17b20 | 253 | } |
79072805 | 254 | } |
533c011a NIS |
255 | if (PL_op->op_private & OPpLVAL_INTRO) |
256 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
257 | SETs(sv); |
258 | RETURN; | |
259 | } | |
260 | ||
79072805 LW |
261 | PP(pp_rv2sv) |
262 | { | |
4e35701f | 263 | djSP; dTOPss; |
79072805 | 264 | |
ed6116ce | 265 | if (SvROK(sv)) { |
a0d0e21e | 266 | wasref: |
f5284f61 IZ |
267 | tryAMAGICunDEREF(to_sv); |
268 | ||
ed6116ce | 269 | sv = SvRV(sv); |
79072805 LW |
270 | switch (SvTYPE(sv)) { |
271 | case SVt_PVAV: | |
272 | case SVt_PVHV: | |
273 | case SVt_PVCV: | |
cea2e8a9 | 274 | DIE(aTHX_ "Not a SCALAR reference"); |
79072805 LW |
275 | } |
276 | } | |
277 | else { | |
f12c7020 | 278 | GV *gv = (GV*)sv; |
748a9306 | 279 | char *sym; |
c9d5ac95 | 280 | STRLEN len; |
748a9306 | 281 | |
463ee0b2 | 282 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
283 | if (SvGMAGICAL(sv)) { |
284 | mg_get(sv); | |
285 | if (SvROK(sv)) | |
286 | goto wasref; | |
287 | } | |
288 | if (!SvOK(sv)) { | |
533c011a NIS |
289 | if (PL_op->op_flags & OPf_REF || |
290 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 291 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
599cee73 | 292 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 293 | report_uninit(); |
a0d0e21e LW |
294 | RETSETUNDEF; |
295 | } | |
c9d5ac95 | 296 | sym = SvPV(sv, len); |
35cd451c GS |
297 | if ((PL_op->op_flags & OPf_SPECIAL) && |
298 | !(PL_op->op_flags & OPf_MOD)) | |
299 | { | |
300 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); | |
c9d5ac95 GS |
301 | if (!gv |
302 | && (!is_gv_magical(sym,len,0) | |
303 | || !(gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV)))) | |
304 | { | |
35cd451c | 305 | RETSETUNDEF; |
c9d5ac95 | 306 | } |
35cd451c GS |
307 | } |
308 | else { | |
309 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 310 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
35cd451c GS |
311 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
312 | } | |
463ee0b2 LW |
313 | } |
314 | sv = GvSV(gv); | |
a0d0e21e | 315 | } |
533c011a NIS |
316 | if (PL_op->op_flags & OPf_MOD) { |
317 | if (PL_op->op_private & OPpLVAL_INTRO) | |
a0d0e21e | 318 | sv = save_scalar((GV*)TOPs); |
533c011a NIS |
319 | else if (PL_op->op_private & OPpDEREF) |
320 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 321 | } |
a0d0e21e | 322 | SETs(sv); |
79072805 LW |
323 | RETURN; |
324 | } | |
325 | ||
326 | PP(pp_av2arylen) | |
327 | { | |
4e35701f | 328 | djSP; |
79072805 LW |
329 | AV *av = (AV*)TOPs; |
330 | SV *sv = AvARYLEN(av); | |
331 | if (!sv) { | |
332 | AvARYLEN(av) = sv = NEWSV(0,0); | |
333 | sv_upgrade(sv, SVt_IV); | |
334 | sv_magic(sv, (SV*)av, '#', Nullch, 0); | |
335 | } | |
336 | SETs(sv); | |
337 | RETURN; | |
338 | } | |
339 | ||
a0d0e21e LW |
340 | PP(pp_pos) |
341 | { | |
4e35701f | 342 | djSP; dTARGET; dPOPss; |
8ec5e241 | 343 | |
533c011a | 344 | if (PL_op->op_flags & OPf_MOD) { |
5f05dabc | 345 | if (SvTYPE(TARG) < SVt_PVLV) { |
346 | sv_upgrade(TARG, SVt_PVLV); | |
347 | sv_magic(TARG, Nullsv, '.', Nullch, 0); | |
348 | } | |
349 | ||
350 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
351 | if (LvTARG(TARG) != sv) { |
352 | if (LvTARG(TARG)) | |
353 | SvREFCNT_dec(LvTARG(TARG)); | |
354 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
355 | } | |
a0d0e21e LW |
356 | PUSHs(TARG); /* no SvSETMAGIC */ |
357 | RETURN; | |
358 | } | |
359 | else { | |
8ec5e241 | 360 | MAGIC* mg; |
a0d0e21e LW |
361 | |
362 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
363 | mg = mg_find(sv, 'g'); | |
565764a8 | 364 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 | 365 | I32 i = mg->mg_len; |
7e2040f0 | 366 | if (DO_UTF8(sv)) |
a0ed51b3 LW |
367 | sv_pos_b2u(sv, &i); |
368 | PUSHi(i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
369 | RETURN; |
370 | } | |
371 | } | |
372 | RETPUSHUNDEF; | |
373 | } | |
374 | } | |
375 | ||
79072805 LW |
376 | PP(pp_rv2cv) |
377 | { | |
4e35701f | 378 | djSP; |
79072805 LW |
379 | GV *gv; |
380 | HV *stash; | |
8990e307 | 381 | |
4633a7c4 LW |
382 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
383 | /* (But not in defined().) */ | |
533c011a | 384 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
07055b4c CS |
385 | if (cv) { |
386 | if (CvCLONE(cv)) | |
387 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
d32f2495 SC |
388 | if ((PL_op->op_private & OPpLVAL_INTRO)) { |
389 | if (gv && GvCV(gv) == cv && (gv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), FALSE))) | |
390 | cv = GvCV(gv); | |
391 | if (!CvLVALUE(cv)) | |
392 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); | |
393 | } | |
07055b4c CS |
394 | } |
395 | else | |
3280af22 | 396 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
397 | SETs((SV*)cv); |
398 | RETURN; | |
399 | } | |
400 | ||
c07a80fd | 401 | PP(pp_prototype) |
402 | { | |
4e35701f | 403 | djSP; |
c07a80fd | 404 | CV *cv; |
405 | HV *stash; | |
406 | GV *gv; | |
407 | SV *ret; | |
408 | ||
3280af22 | 409 | ret = &PL_sv_undef; |
b6c543e3 IZ |
410 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
411 | char *s = SvPVX(TOPs); | |
412 | if (strnEQ(s, "CORE::", 6)) { | |
413 | int code; | |
b13b2135 | 414 | |
b6c543e3 IZ |
415 | code = keyword(s + 6, SvCUR(TOPs) - 6); |
416 | if (code < 0) { /* Overridable. */ | |
417 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
418 | int i = 0, n = 0, seen_question = 0; | |
419 | I32 oa; | |
420 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
421 | ||
422 | while (i < MAXO) { /* The slow way. */ | |
22c35a8c GS |
423 | if (strEQ(s + 6, PL_op_name[i]) |
424 | || strEQ(s + 6, PL_op_desc[i])) | |
425 | { | |
b6c543e3 | 426 | goto found; |
22c35a8c | 427 | } |
b6c543e3 IZ |
428 | i++; |
429 | } | |
430 | goto nonesuch; /* Should not happen... */ | |
431 | found: | |
22c35a8c | 432 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 | 433 | while (oa) { |
3012a639 | 434 | if (oa & OA_OPTIONAL && !seen_question) { |
b6c543e3 IZ |
435 | seen_question = 1; |
436 | str[n++] = ';'; | |
ef54e1a4 | 437 | } |
b13b2135 | 438 | else if (n && str[0] == ';' && seen_question) |
b6c543e3 | 439 | goto set; /* XXXX system, exec */ |
b13b2135 | 440 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
b6c543e3 IZ |
441 | && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) { |
442 | str[n++] = '\\'; | |
443 | } | |
444 | /* What to do with R ((un)tie, tied, (sys)read, recv)? */ | |
445 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; | |
446 | oa = oa >> 4; | |
447 | } | |
448 | str[n++] = '\0'; | |
79cb57f6 | 449 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
450 | } |
451 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
452 | goto set; |
453 | else { /* None such */ | |
454 | nonesuch: | |
d470f89e | 455 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
456 | } |
457 | } | |
458 | } | |
c07a80fd | 459 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 460 | if (cv && SvPOK(cv)) |
79cb57f6 | 461 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
b6c543e3 | 462 | set: |
c07a80fd | 463 | SETs(ret); |
464 | RETURN; | |
465 | } | |
466 | ||
a0d0e21e LW |
467 | PP(pp_anoncode) |
468 | { | |
4e35701f | 469 | djSP; |
533c011a | 470 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
a5f75d66 | 471 | if (CvCLONE(cv)) |
b355b4e0 | 472 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 473 | EXTEND(SP,1); |
748a9306 | 474 | PUSHs((SV*)cv); |
a0d0e21e LW |
475 | RETURN; |
476 | } | |
477 | ||
478 | PP(pp_srefgen) | |
79072805 | 479 | { |
4e35701f | 480 | djSP; |
71be2cbc | 481 | *SP = refto(*SP); |
79072805 | 482 | RETURN; |
8ec5e241 | 483 | } |
a0d0e21e LW |
484 | |
485 | PP(pp_refgen) | |
486 | { | |
4e35701f | 487 | djSP; dMARK; |
a0d0e21e | 488 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
489 | if (++MARK <= SP) |
490 | *MARK = *SP; | |
491 | else | |
3280af22 | 492 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
493 | *MARK = refto(*MARK); |
494 | SP = MARK; | |
495 | RETURN; | |
a0d0e21e | 496 | } |
bbce6d69 | 497 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 498 | while (++MARK <= SP) |
499 | *MARK = refto(*MARK); | |
a0d0e21e | 500 | RETURN; |
79072805 LW |
501 | } |
502 | ||
76e3520e | 503 | STATIC SV* |
cea2e8a9 | 504 | S_refto(pTHX_ SV *sv) |
71be2cbc | 505 | { |
506 | SV* rv; | |
507 | ||
508 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
509 | if (LvTARGLEN(sv)) | |
68dc0745 | 510 | vivify_defelem(sv); |
511 | if (!(sv = LvTARG(sv))) | |
3280af22 | 512 | sv = &PL_sv_undef; |
0dd88869 | 513 | else |
a6c40364 | 514 | (void)SvREFCNT_inc(sv); |
71be2cbc | 515 | } |
d8b46c1b GS |
516 | else if (SvTYPE(sv) == SVt_PVAV) { |
517 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
518 | av_reify((AV*)sv); | |
519 | SvTEMP_off(sv); | |
520 | (void)SvREFCNT_inc(sv); | |
521 | } | |
71be2cbc | 522 | else if (SvPADTMP(sv)) |
523 | sv = newSVsv(sv); | |
524 | else { | |
525 | SvTEMP_off(sv); | |
526 | (void)SvREFCNT_inc(sv); | |
527 | } | |
528 | rv = sv_newmortal(); | |
529 | sv_upgrade(rv, SVt_RV); | |
530 | SvRV(rv) = sv; | |
531 | SvROK_on(rv); | |
532 | return rv; | |
533 | } | |
534 | ||
79072805 LW |
535 | PP(pp_ref) |
536 | { | |
4e35701f | 537 | djSP; dTARGET; |
463ee0b2 | 538 | SV *sv; |
79072805 LW |
539 | char *pv; |
540 | ||
a0d0e21e | 541 | sv = POPs; |
f12c7020 | 542 | |
543 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 544 | mg_get(sv); |
f12c7020 | 545 | |
a0d0e21e | 546 | if (!sv || !SvROK(sv)) |
4633a7c4 | 547 | RETPUSHNO; |
79072805 | 548 | |
ed6116ce | 549 | sv = SvRV(sv); |
a0d0e21e | 550 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 551 | PUSHp(pv, strlen(pv)); |
79072805 LW |
552 | RETURN; |
553 | } | |
554 | ||
555 | PP(pp_bless) | |
556 | { | |
4e35701f | 557 | djSP; |
463ee0b2 | 558 | HV *stash; |
79072805 | 559 | |
463ee0b2 | 560 | if (MAXARG == 1) |
11faa288 | 561 | stash = CopSTASH(PL_curcop); |
7b8d334a GS |
562 | else { |
563 | SV *ssv = POPs; | |
564 | STRLEN len; | |
81689caa HS |
565 | char *ptr; |
566 | ||
016a42f3 | 567 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
81689caa HS |
568 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
569 | ptr = SvPV(ssv,len); | |
e476b1b5 | 570 | if (ckWARN(WARN_MISC) && len == 0) |
b13b2135 | 571 | Perl_warner(aTHX_ WARN_MISC, |
599cee73 | 572 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
573 | stash = gv_stashpvn(ptr, len, TRUE); |
574 | } | |
a0d0e21e | 575 | |
5d3fdfeb | 576 | (void)sv_bless(TOPs, stash); |
79072805 LW |
577 | RETURN; |
578 | } | |
579 | ||
fb73857a | 580 | PP(pp_gelem) |
581 | { | |
582 | GV *gv; | |
583 | SV *sv; | |
76e3520e | 584 | SV *tmpRef; |
fb73857a | 585 | char *elem; |
4e35701f | 586 | djSP; |
2d8e6c8d | 587 | STRLEN n_a; |
b13b2135 | 588 | |
fb73857a | 589 | sv = POPs; |
2d8e6c8d | 590 | elem = SvPV(sv, n_a); |
fb73857a | 591 | gv = (GV*)POPs; |
76e3520e | 592 | tmpRef = Nullsv; |
fb73857a | 593 | sv = Nullsv; |
594 | switch (elem ? *elem : '\0') | |
595 | { | |
596 | case 'A': | |
597 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 598 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 599 | break; |
600 | case 'C': | |
601 | if (strEQ(elem, "CODE")) | |
76e3520e | 602 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 603 | break; |
604 | case 'F': | |
605 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ | |
76e3520e | 606 | tmpRef = (SV*)GvIOp(gv); |
f4d13ee9 JH |
607 | else |
608 | if (strEQ(elem, "FORMAT")) | |
609 | tmpRef = (SV*)GvFORM(gv); | |
fb73857a | 610 | break; |
611 | case 'G': | |
612 | if (strEQ(elem, "GLOB")) | |
76e3520e | 613 | tmpRef = (SV*)gv; |
fb73857a | 614 | break; |
615 | case 'H': | |
616 | if (strEQ(elem, "HASH")) | |
76e3520e | 617 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 618 | break; |
619 | case 'I': | |
620 | if (strEQ(elem, "IO")) | |
76e3520e | 621 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 622 | break; |
623 | case 'N': | |
624 | if (strEQ(elem, "NAME")) | |
79cb57f6 | 625 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
fb73857a | 626 | break; |
627 | case 'P': | |
628 | if (strEQ(elem, "PACKAGE")) | |
629 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
630 | break; | |
631 | case 'S': | |
632 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 633 | tmpRef = GvSV(gv); |
fb73857a | 634 | break; |
635 | } | |
76e3520e GS |
636 | if (tmpRef) |
637 | sv = newRV(tmpRef); | |
fb73857a | 638 | if (sv) |
639 | sv_2mortal(sv); | |
640 | else | |
3280af22 | 641 | sv = &PL_sv_undef; |
fb73857a | 642 | XPUSHs(sv); |
643 | RETURN; | |
644 | } | |
645 | ||
a0d0e21e | 646 | /* Pattern matching */ |
79072805 | 647 | |
a0d0e21e | 648 | PP(pp_study) |
79072805 | 649 | { |
4e35701f | 650 | djSP; dPOPss; |
a0d0e21e LW |
651 | register unsigned char *s; |
652 | register I32 pos; | |
653 | register I32 ch; | |
654 | register I32 *sfirst; | |
655 | register I32 *snext; | |
a0d0e21e LW |
656 | STRLEN len; |
657 | ||
3280af22 | 658 | if (sv == PL_lastscream) { |
1e422769 | 659 | if (SvSCREAM(sv)) |
660 | RETPUSHYES; | |
661 | } | |
c07a80fd | 662 | else { |
3280af22 NIS |
663 | if (PL_lastscream) { |
664 | SvSCREAM_off(PL_lastscream); | |
665 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 666 | } |
3280af22 | 667 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 668 | } |
1e422769 | 669 | |
670 | s = (unsigned char*)(SvPV(sv, len)); | |
671 | pos = len; | |
672 | if (pos <= 0) | |
673 | RETPUSHNO; | |
3280af22 NIS |
674 | if (pos > PL_maxscream) { |
675 | if (PL_maxscream < 0) { | |
676 | PL_maxscream = pos + 80; | |
677 | New(301, PL_screamfirst, 256, I32); | |
678 | New(302, PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
679 | } |
680 | else { | |
3280af22 NIS |
681 | PL_maxscream = pos + pos / 4; |
682 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 683 | } |
79072805 | 684 | } |
a0d0e21e | 685 | |
3280af22 NIS |
686 | sfirst = PL_screamfirst; |
687 | snext = PL_screamnext; | |
a0d0e21e LW |
688 | |
689 | if (!sfirst || !snext) | |
cea2e8a9 | 690 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
691 | |
692 | for (ch = 256; ch; --ch) | |
693 | *sfirst++ = -1; | |
694 | sfirst -= 256; | |
695 | ||
696 | while (--pos >= 0) { | |
697 | ch = s[pos]; | |
698 | if (sfirst[ch] >= 0) | |
699 | snext[pos] = sfirst[ch] - pos; | |
700 | else | |
701 | snext[pos] = -pos; | |
702 | sfirst[ch] = pos; | |
79072805 LW |
703 | } |
704 | ||
c07a80fd | 705 | SvSCREAM_on(sv); |
464e2e8a | 706 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
1e422769 | 707 | RETPUSHYES; |
79072805 LW |
708 | } |
709 | ||
a0d0e21e | 710 | PP(pp_trans) |
79072805 | 711 | { |
4e35701f | 712 | djSP; dTARG; |
a0d0e21e LW |
713 | SV *sv; |
714 | ||
533c011a | 715 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 716 | sv = POPs; |
79072805 | 717 | else { |
54b9620d | 718 | sv = DEFSV; |
a0d0e21e | 719 | EXTEND(SP,1); |
79072805 | 720 | } |
adbc6bb1 | 721 | TARG = sv_newmortal(); |
4757a243 | 722 | PUSHi(do_trans(sv)); |
a0d0e21e | 723 | RETURN; |
79072805 LW |
724 | } |
725 | ||
a0d0e21e | 726 | /* Lvalue operators. */ |
79072805 | 727 | |
a0d0e21e LW |
728 | PP(pp_schop) |
729 | { | |
4e35701f | 730 | djSP; dTARGET; |
a0d0e21e LW |
731 | do_chop(TARG, TOPs); |
732 | SETTARG; | |
733 | RETURN; | |
79072805 LW |
734 | } |
735 | ||
a0d0e21e | 736 | PP(pp_chop) |
79072805 | 737 | { |
4e35701f | 738 | djSP; dMARK; dTARGET; |
a0d0e21e LW |
739 | while (SP > MARK) |
740 | do_chop(TARG, POPs); | |
741 | PUSHTARG; | |
742 | RETURN; | |
79072805 LW |
743 | } |
744 | ||
a0d0e21e | 745 | PP(pp_schomp) |
79072805 | 746 | { |
4e35701f | 747 | djSP; dTARGET; |
a0d0e21e LW |
748 | SETi(do_chomp(TOPs)); |
749 | RETURN; | |
79072805 LW |
750 | } |
751 | ||
a0d0e21e | 752 | PP(pp_chomp) |
79072805 | 753 | { |
4e35701f | 754 | djSP; dMARK; dTARGET; |
a0d0e21e | 755 | register I32 count = 0; |
8ec5e241 | 756 | |
a0d0e21e LW |
757 | while (SP > MARK) |
758 | count += do_chomp(POPs); | |
759 | PUSHi(count); | |
760 | RETURN; | |
79072805 LW |
761 | } |
762 | ||
a0d0e21e | 763 | PP(pp_defined) |
463ee0b2 | 764 | { |
4e35701f | 765 | djSP; |
a0d0e21e LW |
766 | register SV* sv; |
767 | ||
768 | sv = POPs; | |
769 | if (!sv || !SvANY(sv)) | |
770 | RETPUSHNO; | |
771 | switch (SvTYPE(sv)) { | |
772 | case SVt_PVAV: | |
6051dbdb | 773 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
774 | RETPUSHYES; |
775 | break; | |
776 | case SVt_PVHV: | |
6051dbdb | 777 | if (HvARRAY(sv) || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
778 | RETPUSHYES; |
779 | break; | |
780 | case SVt_PVCV: | |
781 | if (CvROOT(sv) || CvXSUB(sv)) | |
782 | RETPUSHYES; | |
783 | break; | |
784 | default: | |
785 | if (SvGMAGICAL(sv)) | |
786 | mg_get(sv); | |
787 | if (SvOK(sv)) | |
788 | RETPUSHYES; | |
789 | } | |
790 | RETPUSHNO; | |
463ee0b2 LW |
791 | } |
792 | ||
a0d0e21e LW |
793 | PP(pp_undef) |
794 | { | |
4e35701f | 795 | djSP; |
a0d0e21e LW |
796 | SV *sv; |
797 | ||
533c011a | 798 | if (!PL_op->op_private) { |
774d564b | 799 | EXTEND(SP, 1); |
a0d0e21e | 800 | RETPUSHUNDEF; |
774d564b | 801 | } |
79072805 | 802 | |
a0d0e21e LW |
803 | sv = POPs; |
804 | if (!sv) | |
805 | RETPUSHUNDEF; | |
85e6fe83 | 806 | |
6fc92669 GS |
807 | if (SvTHINKFIRST(sv)) |
808 | sv_force_normal(sv); | |
85e6fe83 | 809 | |
a0d0e21e LW |
810 | switch (SvTYPE(sv)) { |
811 | case SVt_NULL: | |
812 | break; | |
813 | case SVt_PVAV: | |
814 | av_undef((AV*)sv); | |
815 | break; | |
816 | case SVt_PVHV: | |
817 | hv_undef((HV*)sv); | |
818 | break; | |
819 | case SVt_PVCV: | |
e476b1b5 GS |
820 | if (ckWARN(WARN_MISC) && cv_const_sv((CV*)sv)) |
821 | Perl_warner(aTHX_ WARN_MISC, "Constant subroutine %s undefined", | |
54310121 | 822 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 823 | /* FALL THROUGH */ |
824 | case SVt_PVFM: | |
6fc92669 GS |
825 | { |
826 | /* let user-undef'd sub keep its identity */ | |
827 | GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv)); | |
828 | cv_undef((CV*)sv); | |
829 | CvGV((CV*)sv) = gv; | |
830 | } | |
a0d0e21e | 831 | break; |
8e07c86e | 832 | case SVt_PVGV: |
44a8e56a | 833 | if (SvFAKE(sv)) |
3280af22 | 834 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
835 | else { |
836 | GP *gp; | |
837 | gp_free((GV*)sv); | |
838 | Newz(602, gp, 1, GP); | |
839 | GvGP(sv) = gp_ref(gp); | |
840 | GvSV(sv) = NEWSV(72,0); | |
57843af0 | 841 | GvLINE(sv) = CopLINE(PL_curcop); |
20408e3c GS |
842 | GvEGV(sv) = (GV*)sv; |
843 | GvMULTI_on(sv); | |
844 | } | |
44a8e56a | 845 | break; |
a0d0e21e | 846 | default: |
1e422769 | 847 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
848 | (void)SvOOK_off(sv); |
849 | Safefree(SvPVX(sv)); | |
850 | SvPV_set(sv, Nullch); | |
851 | SvLEN_set(sv, 0); | |
a0d0e21e | 852 | } |
4633a7c4 LW |
853 | (void)SvOK_off(sv); |
854 | SvSETMAGIC(sv); | |
79072805 | 855 | } |
a0d0e21e LW |
856 | |
857 | RETPUSHUNDEF; | |
79072805 LW |
858 | } |
859 | ||
a0d0e21e | 860 | PP(pp_predec) |
79072805 | 861 | { |
4e35701f | 862 | djSP; |
68dc0745 | 863 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 864 | DIE(aTHX_ PL_no_modify); |
25da4f38 | 865 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 866 | SvIVX(TOPs) != IV_MIN) |
867 | { | |
748a9306 | 868 | --SvIVX(TOPs); |
55497cff | 869 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
870 | } |
871 | else | |
872 | sv_dec(TOPs); | |
a0d0e21e LW |
873 | SvSETMAGIC(TOPs); |
874 | return NORMAL; | |
875 | } | |
79072805 | 876 | |
a0d0e21e LW |
877 | PP(pp_postinc) |
878 | { | |
4e35701f | 879 | djSP; dTARGET; |
68dc0745 | 880 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 881 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 882 | sv_setsv(TARG, TOPs); |
25da4f38 | 883 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 884 | SvIVX(TOPs) != IV_MAX) |
885 | { | |
748a9306 | 886 | ++SvIVX(TOPs); |
55497cff | 887 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
888 | } |
889 | else | |
890 | sv_inc(TOPs); | |
a0d0e21e LW |
891 | SvSETMAGIC(TOPs); |
892 | if (!SvOK(TARG)) | |
893 | sv_setiv(TARG, 0); | |
894 | SETs(TARG); | |
895 | return NORMAL; | |
896 | } | |
79072805 | 897 | |
a0d0e21e LW |
898 | PP(pp_postdec) |
899 | { | |
4e35701f | 900 | djSP; dTARGET; |
43192e07 | 901 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 902 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 903 | sv_setsv(TARG, TOPs); |
25da4f38 | 904 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 905 | SvIVX(TOPs) != IV_MIN) |
906 | { | |
748a9306 | 907 | --SvIVX(TOPs); |
55497cff | 908 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
909 | } |
910 | else | |
911 | sv_dec(TOPs); | |
a0d0e21e LW |
912 | SvSETMAGIC(TOPs); |
913 | SETs(TARG); | |
914 | return NORMAL; | |
915 | } | |
79072805 | 916 | |
a0d0e21e LW |
917 | /* Ordinary operators. */ |
918 | ||
919 | PP(pp_pow) | |
920 | { | |
8ec5e241 | 921 | djSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
922 | { |
923 | dPOPTOPnnrl; | |
73b309ea | 924 | SETn( Perl_pow( left, right) ); |
a0d0e21e | 925 | RETURN; |
93a17b20 | 926 | } |
a0d0e21e LW |
927 | } |
928 | ||
929 | PP(pp_multiply) | |
930 | { | |
8ec5e241 | 931 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
28e5dec8 JH |
932 | #ifdef PERL_PRESERVE_IVUV |
933 | SvIV_please(TOPs); | |
934 | if (SvIOK(TOPs)) { | |
935 | /* Unless the left argument is integer in range we are going to have to | |
936 | use NV maths. Hence only attempt to coerce the right argument if | |
937 | we know the left is integer. */ | |
938 | /* Left operand is defined, so is it IV? */ | |
939 | SvIV_please(TOPm1s); | |
940 | if (SvIOK(TOPm1s)) { | |
941 | bool auvok = SvUOK(TOPm1s); | |
942 | bool buvok = SvUOK(TOPs); | |
943 | const UV topmask = (~ (UV)0) << (4 * sizeof (UV)); | |
944 | const UV botmask = ~((~ (UV)0) << (4 * sizeof (UV))); | |
945 | UV alow; | |
946 | UV ahigh; | |
947 | UV blow; | |
948 | UV bhigh; | |
949 | ||
950 | if (auvok) { | |
951 | alow = SvUVX(TOPm1s); | |
952 | } else { | |
953 | IV aiv = SvIVX(TOPm1s); | |
954 | if (aiv >= 0) { | |
955 | alow = aiv; | |
956 | auvok = TRUE; /* effectively it's a UV now */ | |
957 | } else { | |
958 | alow = -aiv; /* abs, auvok == false records sign */ | |
959 | } | |
960 | } | |
961 | if (buvok) { | |
962 | blow = SvUVX(TOPs); | |
963 | } else { | |
964 | IV biv = SvIVX(TOPs); | |
965 | if (biv >= 0) { | |
966 | blow = biv; | |
967 | buvok = TRUE; /* effectively it's a UV now */ | |
968 | } else { | |
969 | blow = -biv; /* abs, buvok == false records sign */ | |
970 | } | |
971 | } | |
972 | ||
973 | /* If this does sign extension on unsigned it's time for plan B */ | |
974 | ahigh = alow >> (4 * sizeof (UV)); | |
975 | alow &= botmask; | |
976 | bhigh = blow >> (4 * sizeof (UV)); | |
977 | blow &= botmask; | |
978 | if (ahigh && bhigh) { | |
979 | /* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000 | |
980 | which is overflow. Drop to NVs below. */ | |
981 | } else if (!ahigh && !bhigh) { | |
982 | /* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001 | |
983 | so the unsigned multiply cannot overflow. */ | |
984 | UV product = alow * blow; | |
985 | if (auvok == buvok) { | |
986 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
987 | SP--; | |
988 | SETu( product ); | |
989 | RETURN; | |
990 | } else if (product <= (UV)IV_MIN) { | |
991 | /* 2s complement assumption that (UV)-IV_MIN is correct. */ | |
992 | /* -ve result, which could overflow an IV */ | |
993 | SP--; | |
994 | SETi( -product ); | |
995 | RETURN; | |
996 | } /* else drop to NVs below. */ | |
997 | } else { | |
998 | /* One operand is large, 1 small */ | |
999 | UV product_middle; | |
1000 | if (bhigh) { | |
1001 | /* swap the operands */ | |
1002 | ahigh = bhigh; | |
1003 | bhigh = blow; /* bhigh now the temp var for the swap */ | |
1004 | blow = alow; | |
1005 | alow = bhigh; | |
1006 | } | |
1007 | /* now, ((ahigh * blow) << half_UV_len) + (alow * blow) | |
1008 | multiplies can't overflow. shift can, add can, -ve can. */ | |
1009 | product_middle = ahigh * blow; | |
1010 | if (!(product_middle & topmask)) { | |
1011 | /* OK, (ahigh * blow) won't lose bits when we shift it. */ | |
1012 | UV product_low; | |
1013 | product_middle <<= (4 * sizeof (UV)); | |
1014 | product_low = alow * blow; | |
1015 | ||
1016 | /* as for pp_add, UV + something mustn't get smaller. | |
1017 | IIRC ANSI mandates this wrapping *behaviour* for | |
1018 | unsigned whatever the actual representation*/ | |
1019 | product_low += product_middle; | |
1020 | if (product_low >= product_middle) { | |
1021 | /* didn't overflow */ | |
1022 | if (auvok == buvok) { | |
1023 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
1024 | SP--; | |
1025 | SETu( product_low ); | |
1026 | RETURN; | |
1027 | } else if (product_low <= (UV)IV_MIN) { | |
1028 | /* 2s complement assumption again */ | |
1029 | /* -ve result, which could overflow an IV */ | |
1030 | SP--; | |
1031 | SETi( -product_low ); | |
1032 | RETURN; | |
1033 | } /* else drop to NVs below. */ | |
1034 | } | |
1035 | } /* product_middle too large */ | |
1036 | } /* ahigh && bhigh */ | |
1037 | } /* SvIOK(TOPm1s) */ | |
1038 | } /* SvIOK(TOPs) */ | |
1039 | #endif | |
a0d0e21e LW |
1040 | { |
1041 | dPOPTOPnnrl; | |
1042 | SETn( left * right ); | |
1043 | RETURN; | |
79072805 | 1044 | } |
a0d0e21e LW |
1045 | } |
1046 | ||
1047 | PP(pp_divide) | |
1048 | { | |
8ec5e241 | 1049 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e | 1050 | { |
77676ba1 | 1051 | dPOPPOPnnrl; |
65202027 | 1052 | NV value; |
7a4c00b4 | 1053 | if (right == 0.0) |
cea2e8a9 | 1054 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
1055 | #ifdef SLOPPYDIVIDE |
1056 | /* insure that 20./5. == 4. */ | |
1057 | { | |
7a4c00b4 | 1058 | IV k; |
65202027 DS |
1059 | if ((NV)I_V(left) == left && |
1060 | (NV)I_V(right) == right && | |
7a4c00b4 | 1061 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { |
a0d0e21e | 1062 | value = k; |
ef54e1a4 JH |
1063 | } |
1064 | else { | |
7a4c00b4 | 1065 | value = left / right; |
79072805 | 1066 | } |
a0d0e21e LW |
1067 | } |
1068 | #else | |
7a4c00b4 | 1069 | value = left / right; |
a0d0e21e LW |
1070 | #endif |
1071 | PUSHn( value ); | |
1072 | RETURN; | |
79072805 | 1073 | } |
a0d0e21e LW |
1074 | } |
1075 | ||
1076 | PP(pp_modulo) | |
1077 | { | |
76e3520e | 1078 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 1079 | { |
787eafbd IZ |
1080 | UV left; |
1081 | UV right; | |
1082 | bool left_neg; | |
1083 | bool right_neg; | |
1084 | bool use_double = 0; | |
65202027 DS |
1085 | NV dright; |
1086 | NV dleft; | |
787eafbd | 1087 | |
d658dc55 | 1088 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
787eafbd IZ |
1089 | IV i = SvIVX(POPs); |
1090 | right = (right_neg = (i < 0)) ? -i : i; | |
1091 | } | |
1092 | else { | |
1093 | dright = POPn; | |
1094 | use_double = 1; | |
1095 | right_neg = dright < 0; | |
1096 | if (right_neg) | |
1097 | dright = -dright; | |
1098 | } | |
a0d0e21e | 1099 | |
d658dc55 | 1100 | if (!use_double && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
787eafbd IZ |
1101 | IV i = SvIVX(POPs); |
1102 | left = (left_neg = (i < 0)) ? -i : i; | |
1103 | } | |
1104 | else { | |
1105 | dleft = POPn; | |
1106 | if (!use_double) { | |
a1bd196e GS |
1107 | use_double = 1; |
1108 | dright = right; | |
787eafbd IZ |
1109 | } |
1110 | left_neg = dleft < 0; | |
1111 | if (left_neg) | |
1112 | dleft = -dleft; | |
1113 | } | |
68dc0745 | 1114 | |
787eafbd | 1115 | if (use_double) { |
65202027 | 1116 | NV dans; |
787eafbd IZ |
1117 | |
1118 | #if 1 | |
787eafbd IZ |
1119 | /* Somehow U_V is pessimized even if CASTFLAGS is 0 */ |
1120 | # if CASTFLAGS & 2 | |
1121 | # define CAST_D2UV(d) U_V(d) | |
1122 | # else | |
1123 | # define CAST_D2UV(d) ((UV)(d)) | |
1124 | # endif | |
a1bd196e GS |
1125 | /* Tried to do this only in the case DOUBLESIZE <= UV_SIZE, |
1126 | * or, in other words, precision of UV more than of NV. | |
1127 | * But in fact the approach below turned out to be an | |
1128 | * optimization - floor() may be slow */ | |
787eafbd IZ |
1129 | if (dright <= UV_MAX && dleft <= UV_MAX) { |
1130 | right = CAST_D2UV(dright); | |
1131 | left = CAST_D2UV(dleft); | |
1132 | goto do_uv; | |
1133 | } | |
1134 | #endif | |
1135 | ||
1136 | /* Backward-compatibility clause: */ | |
73b309ea JH |
1137 | dright = Perl_floor(dright + 0.5); |
1138 | dleft = Perl_floor(dleft + 0.5); | |
787eafbd IZ |
1139 | |
1140 | if (!dright) | |
cea2e8a9 | 1141 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd | 1142 | |
65202027 | 1143 | dans = Perl_fmod(dleft, dright); |
787eafbd IZ |
1144 | if ((left_neg != right_neg) && dans) |
1145 | dans = dright - dans; | |
1146 | if (right_neg) | |
1147 | dans = -dans; | |
1148 | sv_setnv(TARG, dans); | |
1149 | } | |
1150 | else { | |
1151 | UV ans; | |
1152 | ||
1153 | do_uv: | |
1154 | if (!right) | |
cea2e8a9 | 1155 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1156 | |
1157 | ans = left % right; | |
1158 | if ((left_neg != right_neg) && ans) | |
1159 | ans = right - ans; | |
1160 | if (right_neg) { | |
1161 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1162 | /* could change -foo to be (~foo)+1 instead */ | |
1163 | if (ans <= ~((UV)IV_MAX)+1) | |
1164 | sv_setiv(TARG, ~ans+1); | |
1165 | else | |
65202027 | 1166 | sv_setnv(TARG, -(NV)ans); |
787eafbd IZ |
1167 | } |
1168 | else | |
1169 | sv_setuv(TARG, ans); | |
1170 | } | |
1171 | PUSHTARG; | |
1172 | RETURN; | |
79072805 | 1173 | } |
a0d0e21e | 1174 | } |
79072805 | 1175 | |
a0d0e21e LW |
1176 | PP(pp_repeat) |
1177 | { | |
4e35701f | 1178 | djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1179 | { |
467f0320 | 1180 | register IV count = POPi; |
533c011a | 1181 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
1182 | dMARK; |
1183 | I32 items = SP - MARK; | |
1184 | I32 max; | |
79072805 | 1185 | |
a0d0e21e LW |
1186 | max = items * count; |
1187 | MEXTEND(MARK, max); | |
1188 | if (count > 1) { | |
1189 | while (SP > MARK) { | |
1190 | if (*SP) | |
1191 | SvTEMP_off((*SP)); | |
1192 | SP--; | |
79072805 | 1193 | } |
a0d0e21e LW |
1194 | MARK++; |
1195 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1196 | items * sizeof(SV*), count - 1); | |
1197 | SP += max; | |
79072805 | 1198 | } |
a0d0e21e LW |
1199 | else if (count <= 0) |
1200 | SP -= items; | |
79072805 | 1201 | } |
a0d0e21e | 1202 | else { /* Note: mark already snarfed by pp_list */ |
dfcb284a | 1203 | SV *tmpstr = POPs; |
a0d0e21e | 1204 | STRLEN len; |
3aa33fe5 | 1205 | bool isutf = DO_UTF8(tmpstr); |
a0d0e21e | 1206 | |
a0d0e21e LW |
1207 | SvSetSV(TARG, tmpstr); |
1208 | SvPV_force(TARG, len); | |
8ebc5c01 | 1209 | if (count != 1) { |
1210 | if (count < 1) | |
1211 | SvCUR_set(TARG, 0); | |
1212 | else { | |
1213 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1214 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1215 | SvCUR(TARG) *= count; |
7a4c00b4 | 1216 | } |
a0d0e21e | 1217 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1218 | } |
dfcb284a GS |
1219 | if (isutf) |
1220 | (void)SvPOK_only_UTF8(TARG); | |
1221 | else | |
1222 | (void)SvPOK_only(TARG); | |
a0d0e21e | 1223 | PUSHTARG; |
79072805 | 1224 | } |
a0d0e21e | 1225 | RETURN; |
748a9306 | 1226 | } |
a0d0e21e | 1227 | } |
79072805 | 1228 | |
a0d0e21e LW |
1229 | PP(pp_subtract) |
1230 | { | |
28e5dec8 JH |
1231 | djSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
1232 | useleft = USE_LEFT(TOPm1s); | |
1233 | #ifdef PERL_PRESERVE_IVUV | |
1234 | /* We must see if we can perform the addition with integers if possible, | |
1235 | as the integer code detects overflow while the NV code doesn't. | |
1236 | If either argument hasn't had a numeric conversion yet attempt to get | |
1237 | the IV. It's important to do this now, rather than just assuming that | |
1238 | it's not IOK as a PV of "9223372036854775806" may not take well to NV | |
1239 | addition, and an SV which is NOK, NV=6.0 ought to be coerced to | |
1240 | integer in case the second argument is IV=9223372036854775806 | |
1241 | We can (now) rely on sv_2iv to do the right thing, only setting the | |
1242 | public IOK flag if the value in the NV (or PV) slot is truly integer. | |
1243 | ||
1244 | A side effect is that this also aggressively prefers integer maths over | |
1245 | fp maths for integer values. */ | |
1246 | SvIV_please(TOPs); | |
1247 | if (SvIOK(TOPs)) { | |
1248 | /* Unless the left argument is integer in range we are going to have to | |
1249 | use NV maths. Hence only attempt to coerce the right argument if | |
1250 | we know the left is integer. */ | |
1251 | if (!useleft) { | |
1252 | /* left operand is undef, treat as zero. + 0 is identity. */ | |
1253 | if (SvUOK(TOPs)) { | |
1254 | dPOPuv; /* Scary macros. Lets put a sequence point (;) here */ | |
1255 | if (value <= (UV)IV_MIN) { | |
1256 | /* 2s complement assumption. */ | |
1257 | SETi(-(IV)value); | |
1258 | RETURN; | |
1259 | } /* else drop through into NVs below */ | |
1260 | } else { | |
1261 | dPOPiv; | |
1262 | SETu((UV)-value); | |
1263 | RETURN; | |
1264 | } | |
1265 | } else { | |
1266 | /* Left operand is defined, so is it IV? */ | |
1267 | SvIV_please(TOPm1s); | |
1268 | if (SvIOK(TOPm1s)) { | |
1269 | bool auvok = SvUOK(TOPm1s); | |
1270 | bool buvok = SvUOK(TOPs); | |
1271 | ||
1272 | if (!auvok && !buvok) { /* ## IV - IV ## */ | |
1273 | IV aiv = SvIVX(TOPm1s); | |
1274 | IV biv = SvIVX(TOPs); | |
1275 | IV result = aiv - biv; | |
1276 | ||
1277 | if (biv >= 0 ? (result < aiv) : (result >= aiv)) { | |
1278 | SP--; | |
1279 | SETi( result ); | |
1280 | RETURN; | |
1281 | } | |
1282 | /* +ve - +ve can't overflow. (worst case 0 - IV_MAX) */ | |
1283 | /* -ve - -ve can't overflow. (worst case -1 - IV_MIN) */ | |
1284 | /* -ve - +ve can only overflow too negative. */ | |
1285 | /* leaving +ve - -ve, which will go UV */ | |
1286 | if (aiv >= 0 && biv < 0) { /* assert don't need biv <0 */ | |
1287 | /* 2s complement assumption for IV_MIN */ | |
1288 | UV result = (UV)aiv + (UV)-biv; | |
1289 | /* UV + UV must get bigger. +ve IV + +ve IV +1 can't | |
1290 | overflow UV (2s complement assumption */ | |
1291 | assert (result >= (UV) aiv); | |
1292 | SP--; | |
1293 | SETu( result ); | |
1294 | RETURN; | |
1295 | } | |
1296 | /* Overflow, drop through to NVs */ | |
1297 | } else if (auvok && buvok) { /* ## UV - UV ## */ | |
1298 | UV auv = SvUVX(TOPm1s); | |
1299 | UV buv = SvUVX(TOPs); | |
1300 | IV result; | |
1301 | ||
1302 | if (auv >= buv) { | |
1303 | SP--; | |
1304 | SETu( auv - buv ); | |
1305 | RETURN; | |
1306 | } | |
1307 | /* Blatant 2s complement assumption. */ | |
1308 | result = (IV)(auv - buv); | |
1309 | if (result < 0) { | |
1310 | SP--; | |
1311 | SETi( result ); | |
1312 | RETURN; | |
1313 | } | |
1314 | /* Overflow on IV - IV, drop through to NVs */ | |
1315 | } else if (auvok) { /* ## Mixed UV - IV ## */ | |
1316 | UV auv = SvUVX(TOPm1s); | |
1317 | IV biv = SvIVX(TOPs); | |
1318 | ||
1319 | if (biv < 0) { | |
1320 | /* 2s complement assumptions for IV_MIN */ | |
1321 | UV result = auv + ((UV)-biv); | |
1322 | /* UV + UV can only get bigger... */ | |
1323 | if (result >= auv) { | |
1324 | SP--; | |
1325 | SETu( result ); | |
1326 | RETURN; | |
1327 | } | |
1328 | /* and if it gets too big for UV then it's NV time. */ | |
1329 | } else if (auv > (UV)IV_MAX) { | |
1330 | /* I think I'm making an implicit 2s complement | |
1331 | assumption that IV_MIN == -IV_MAX - 1 */ | |
1332 | /* biv is >= 0 */ | |
1333 | UV result = auv - (UV)biv; | |
1334 | assert (result <= auv); | |
1335 | SP--; | |
1336 | SETu( result ); | |
1337 | RETURN; | |
1338 | } else { | |
1339 | /* biv is >= 0 */ | |
1340 | IV result = (IV)auv - biv; | |
1341 | assert (result <= (IV)auv); | |
1342 | SP--; | |
1343 | SETi( result ); | |
1344 | RETURN; | |
1345 | } | |
1346 | } else { /* ## Mixed IV - UV ## */ | |
1347 | IV aiv = SvIVX(TOPm1s); | |
1348 | UV buv = SvUVX(TOPs); | |
1349 | IV result = aiv - (IV)buv; /* 2s complement assumption. */ | |
1350 | ||
1351 | /* result must not get larger. */ | |
1352 | if (result <= aiv) { | |
1353 | SP--; | |
1354 | SETi( result ); | |
1355 | RETURN; | |
1356 | } /* end of IV-IV / UV-UV / UV-IV / IV-UV */ | |
1357 | } | |
1358 | } | |
1359 | } | |
1360 | } | |
1361 | #endif | |
a0d0e21e | 1362 | { |
28e5dec8 JH |
1363 | dPOPnv; |
1364 | if (!useleft) { | |
1365 | /* left operand is undef, treat as zero - value */ | |
1366 | SETn(-value); | |
1367 | RETURN; | |
1368 | } | |
1369 | SETn( TOPn - value ); | |
1370 | RETURN; | |
79072805 | 1371 | } |
a0d0e21e | 1372 | } |
79072805 | 1373 | |
a0d0e21e LW |
1374 | PP(pp_left_shift) |
1375 | { | |
8ec5e241 | 1376 | djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1377 | { |
972b05a9 | 1378 | IV shift = POPi; |
d0ba1bd2 | 1379 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1380 | IV i = TOPi; |
1381 | SETi(i << shift); | |
d0ba1bd2 JH |
1382 | } |
1383 | else { | |
972b05a9 JH |
1384 | UV u = TOPu; |
1385 | SETu(u << shift); | |
d0ba1bd2 | 1386 | } |
55497cff | 1387 | RETURN; |
79072805 | 1388 | } |
a0d0e21e | 1389 | } |
79072805 | 1390 | |
a0d0e21e LW |
1391 | PP(pp_right_shift) |
1392 | { | |
8ec5e241 | 1393 | djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1394 | { |
972b05a9 | 1395 | IV shift = POPi; |
d0ba1bd2 | 1396 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1397 | IV i = TOPi; |
1398 | SETi(i >> shift); | |
d0ba1bd2 JH |
1399 | } |
1400 | else { | |
972b05a9 JH |
1401 | UV u = TOPu; |
1402 | SETu(u >> shift); | |
d0ba1bd2 | 1403 | } |
a0d0e21e | 1404 | RETURN; |
93a17b20 | 1405 | } |
79072805 LW |
1406 | } |
1407 | ||
a0d0e21e | 1408 | PP(pp_lt) |
79072805 | 1409 | { |
8ec5e241 | 1410 | djSP; tryAMAGICbinSET(lt,0); |
28e5dec8 JH |
1411 | #ifdef PERL_PRESERVE_IVUV |
1412 | SvIV_please(TOPs); | |
1413 | if (SvIOK(TOPs)) { | |
1414 | SvIV_please(TOPm1s); | |
1415 | if (SvIOK(TOPm1s)) { | |
1416 | bool auvok = SvUOK(TOPm1s); | |
1417 | bool buvok = SvUOK(TOPs); | |
1418 | ||
1419 | if (!auvok && !buvok) { /* ## IV < IV ## */ | |
1420 | IV aiv = SvIVX(TOPm1s); | |
1421 | IV biv = SvIVX(TOPs); | |
1422 | ||
1423 | SP--; | |
1424 | SETs(boolSV(aiv < biv)); | |
1425 | RETURN; | |
1426 | } | |
1427 | if (auvok && buvok) { /* ## UV < UV ## */ | |
1428 | UV auv = SvUVX(TOPm1s); | |
1429 | UV buv = SvUVX(TOPs); | |
1430 | ||
1431 | SP--; | |
1432 | SETs(boolSV(auv < buv)); | |
1433 | RETURN; | |
1434 | } | |
1435 | if (auvok) { /* ## UV < IV ## */ | |
1436 | UV auv; | |
1437 | IV biv; | |
1438 | ||
1439 | biv = SvIVX(TOPs); | |
1440 | SP--; | |
1441 | if (biv < 0) { | |
1442 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1443 | SETs(&PL_sv_no); | |
1444 | RETURN; | |
1445 | } | |
1446 | auv = SvUVX(TOPs); | |
1447 | if (auv >= (UV) IV_MAX) { | |
1448 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1449 | SETs(&PL_sv_no); | |
1450 | RETURN; | |
1451 | } | |
1452 | SETs(boolSV(auv < (UV)biv)); | |
1453 | RETURN; | |
1454 | } | |
1455 | { /* ## IV < UV ## */ | |
1456 | IV aiv; | |
1457 | UV buv; | |
1458 | ||
1459 | aiv = SvIVX(TOPm1s); | |
1460 | if (aiv < 0) { | |
1461 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1462 | SP--; | |
1463 | SETs(&PL_sv_yes); | |
1464 | RETURN; | |
1465 | } | |
1466 | buv = SvUVX(TOPs); | |
1467 | SP--; | |
1468 | if (buv > (UV) IV_MAX) { | |
1469 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1470 | SETs(&PL_sv_yes); | |
1471 | RETURN; | |
1472 | } | |
1473 | SETs(boolSV((UV)aiv < buv)); | |
1474 | RETURN; | |
1475 | } | |
1476 | } | |
1477 | } | |
1478 | #endif | |
a0d0e21e LW |
1479 | { |
1480 | dPOPnv; | |
54310121 | 1481 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1482 | RETURN; |
79072805 | 1483 | } |
a0d0e21e | 1484 | } |
79072805 | 1485 | |
a0d0e21e LW |
1486 | PP(pp_gt) |
1487 | { | |
8ec5e241 | 1488 | djSP; tryAMAGICbinSET(gt,0); |
28e5dec8 JH |
1489 | #ifdef PERL_PRESERVE_IVUV |
1490 | SvIV_please(TOPs); | |
1491 | if (SvIOK(TOPs)) { | |
1492 | SvIV_please(TOPm1s); | |
1493 | if (SvIOK(TOPm1s)) { | |
1494 | bool auvok = SvUOK(TOPm1s); | |
1495 | bool buvok = SvUOK(TOPs); | |
1496 | ||
1497 | if (!auvok && !buvok) { /* ## IV > IV ## */ | |
1498 | IV aiv = SvIVX(TOPm1s); | |
1499 | IV biv = SvIVX(TOPs); | |
1500 | ||
1501 | SP--; | |
1502 | SETs(boolSV(aiv > biv)); | |
1503 | RETURN; | |
1504 | } | |
1505 | if (auvok && buvok) { /* ## UV > UV ## */ | |
1506 | UV auv = SvUVX(TOPm1s); | |
1507 | UV buv = SvUVX(TOPs); | |
1508 | ||
1509 | SP--; | |
1510 | SETs(boolSV(auv > buv)); | |
1511 | RETURN; | |
1512 | } | |
1513 | if (auvok) { /* ## UV > IV ## */ | |
1514 | UV auv; | |
1515 | IV biv; | |
1516 | ||
1517 | biv = SvIVX(TOPs); | |
1518 | SP--; | |
1519 | if (biv < 0) { | |
1520 | /* As (a) is a UV, it's >=0, so it must be > */ | |
1521 | SETs(&PL_sv_yes); | |
1522 | RETURN; | |
1523 | } | |
1524 | auv = SvUVX(TOPs); | |
1525 | if (auv > (UV) IV_MAX) { | |
1526 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1527 | SETs(&PL_sv_yes); | |
1528 | RETURN; | |
1529 | } | |
1530 | SETs(boolSV(auv > (UV)biv)); | |
1531 | RETURN; | |
1532 | } | |
1533 | { /* ## IV > UV ## */ | |
1534 | IV aiv; | |
1535 | UV buv; | |
1536 | ||
1537 | aiv = SvIVX(TOPm1s); | |
1538 | if (aiv < 0) { | |
1539 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
1540 | SP--; | |
1541 | SETs(&PL_sv_no); | |
1542 | RETURN; | |
1543 | } | |
1544 | buv = SvUVX(TOPs); | |
1545 | SP--; | |
1546 | if (buv >= (UV) IV_MAX) { | |
1547 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1548 | SETs(&PL_sv_no); | |
1549 | RETURN; | |
1550 | } | |
1551 | SETs(boolSV((UV)aiv > buv)); | |
1552 | RETURN; | |
1553 | } | |
1554 | } | |
1555 | } | |
1556 | #endif | |
a0d0e21e LW |
1557 | { |
1558 | dPOPnv; | |
54310121 | 1559 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1560 | RETURN; |
79072805 | 1561 | } |
a0d0e21e LW |
1562 | } |
1563 | ||
1564 | PP(pp_le) | |
1565 | { | |
8ec5e241 | 1566 | djSP; tryAMAGICbinSET(le,0); |
28e5dec8 JH |
1567 | #ifdef PERL_PRESERVE_IVUV |
1568 | SvIV_please(TOPs); | |
1569 | if (SvIOK(TOPs)) { | |
1570 | SvIV_please(TOPm1s); | |
1571 | if (SvIOK(TOPm1s)) { | |
1572 | bool auvok = SvUOK(TOPm1s); | |
1573 | bool buvok = SvUOK(TOPs); | |
1574 | ||
1575 | if (!auvok && !buvok) { /* ## IV <= IV ## */ | |
1576 | IV aiv = SvIVX(TOPm1s); | |
1577 | IV biv = SvIVX(TOPs); | |
1578 | ||
1579 | SP--; | |
1580 | SETs(boolSV(aiv <= biv)); | |
1581 | RETURN; | |
1582 | } | |
1583 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
1584 | UV auv = SvUVX(TOPm1s); | |
1585 | UV buv = SvUVX(TOPs); | |
1586 | ||
1587 | SP--; | |
1588 | SETs(boolSV(auv <= buv)); | |
1589 | RETURN; | |
1590 | } | |
1591 | if (auvok) { /* ## UV <= IV ## */ | |
1592 | UV auv; | |
1593 | IV biv; | |
1594 | ||
1595 | biv = SvIVX(TOPs); | |
1596 | SP--; | |
1597 | if (biv < 0) { | |
1598 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
1599 | SETs(&PL_sv_no); | |
1600 | RETURN; | |
1601 | } | |
1602 | auv = SvUVX(TOPs); | |
1603 | if (auv > (UV) IV_MAX) { | |
1604 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1605 | SETs(&PL_sv_no); | |
1606 | RETURN; | |
1607 | } | |
1608 | SETs(boolSV(auv <= (UV)biv)); | |
1609 | RETURN; | |
1610 | } | |
1611 | { /* ## IV <= UV ## */ | |
1612 | IV aiv; | |
1613 | UV buv; | |
1614 | ||
1615 | aiv = SvIVX(TOPm1s); | |
1616 | if (aiv < 0) { | |
1617 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
1618 | SP--; | |
1619 | SETs(&PL_sv_yes); | |
1620 | RETURN; | |
1621 | } | |
1622 | buv = SvUVX(TOPs); | |
1623 | SP--; | |
1624 | if (buv >= (UV) IV_MAX) { | |
1625 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1626 | SETs(&PL_sv_yes); | |
1627 | RETURN; | |
1628 | } | |
1629 | SETs(boolSV((UV)aiv <= buv)); | |
1630 | RETURN; | |
1631 | } | |
1632 | } | |
1633 | } | |
1634 | #endif | |
a0d0e21e LW |
1635 | { |
1636 | dPOPnv; | |
54310121 | 1637 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1638 | RETURN; |
79072805 | 1639 | } |
a0d0e21e LW |
1640 | } |
1641 | ||
1642 | PP(pp_ge) | |
1643 | { | |
8ec5e241 | 1644 | djSP; tryAMAGICbinSET(ge,0); |
28e5dec8 JH |
1645 | #ifdef PERL_PRESERVE_IVUV |
1646 | SvIV_please(TOPs); | |
1647 | if (SvIOK(TOPs)) { | |
1648 | SvIV_please(TOPm1s); | |
1649 | if (SvIOK(TOPm1s)) { | |
1650 | bool auvok = SvUOK(TOPm1s); | |
1651 | bool buvok = SvUOK(TOPs); | |
1652 | ||
1653 | if (!auvok && !buvok) { /* ## IV >= IV ## */ | |
1654 | IV aiv = SvIVX(TOPm1s); | |
1655 | IV biv = SvIVX(TOPs); | |
1656 | ||
1657 | SP--; | |
1658 | SETs(boolSV(aiv >= biv)); | |
1659 | RETURN; | |
1660 | } | |
1661 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
1662 | UV auv = SvUVX(TOPm1s); | |
1663 | UV buv = SvUVX(TOPs); | |
1664 | ||
1665 | SP--; | |
1666 | SETs(boolSV(auv >= buv)); | |
1667 | RETURN; | |
1668 | } | |
1669 | if (auvok) { /* ## UV >= IV ## */ | |
1670 | UV auv; | |
1671 | IV biv; | |
1672 | ||
1673 | biv = SvIVX(TOPs); | |
1674 | SP--; | |
1675 | if (biv < 0) { | |
1676 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
1677 | SETs(&PL_sv_yes); | |
1678 | RETURN; | |
1679 | } | |
1680 | auv = SvUVX(TOPs); | |
1681 | if (auv >= (UV) IV_MAX) { | |
1682 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1683 | SETs(&PL_sv_yes); | |
1684 | RETURN; | |
1685 | } | |
1686 | SETs(boolSV(auv >= (UV)biv)); | |
1687 | RETURN; | |
1688 | } | |
1689 | { /* ## IV >= UV ## */ | |
1690 | IV aiv; | |
1691 | UV buv; | |
1692 | ||
1693 | aiv = SvIVX(TOPm1s); | |
1694 | if (aiv < 0) { | |
1695 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
1696 | SP--; | |
1697 | SETs(&PL_sv_no); | |
1698 | RETURN; | |
1699 | } | |
1700 | buv = SvUVX(TOPs); | |
1701 | SP--; | |
1702 | if (buv > (UV) IV_MAX) { | |
1703 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1704 | SETs(&PL_sv_no); | |
1705 | RETURN; | |
1706 | } | |
1707 | SETs(boolSV((UV)aiv >= buv)); | |
1708 | RETURN; | |
1709 | } | |
1710 | } | |
1711 | } | |
1712 | #endif | |
a0d0e21e LW |
1713 | { |
1714 | dPOPnv; | |
54310121 | 1715 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1716 | RETURN; |
79072805 | 1717 | } |
a0d0e21e | 1718 | } |
79072805 | 1719 | |
a0d0e21e LW |
1720 | PP(pp_ne) |
1721 | { | |
8ec5e241 | 1722 | djSP; tryAMAGICbinSET(ne,0); |
28e5dec8 JH |
1723 | #ifdef PERL_PRESERVE_IVUV |
1724 | SvIV_please(TOPs); | |
1725 | if (SvIOK(TOPs)) { | |
1726 | SvIV_please(TOPm1s); | |
1727 | if (SvIOK(TOPm1s)) { | |
1728 | bool auvok = SvUOK(TOPm1s); | |
1729 | bool buvok = SvUOK(TOPs); | |
1730 | ||
1731 | if (!auvok && !buvok) { /* ## IV <=> IV ## */ | |
1732 | IV aiv = SvIVX(TOPm1s); | |
1733 | IV biv = SvIVX(TOPs); | |
1734 | ||
1735 | SP--; | |
1736 | SETs(boolSV(aiv != biv)); | |
1737 | RETURN; | |
1738 | } | |
1739 | if (auvok && buvok) { /* ## UV != UV ## */ | |
1740 | UV auv = SvUVX(TOPm1s); | |
1741 | UV buv = SvUVX(TOPs); | |
1742 | ||
1743 | SP--; | |
1744 | SETs(boolSV(auv != buv)); | |
1745 | RETURN; | |
1746 | } | |
1747 | { /* ## Mixed IV,UV ## */ | |
1748 | IV iv; | |
1749 | UV uv; | |
1750 | ||
1751 | /* != is commutative so swap if needed (save code) */ | |
1752 | if (auvok) { | |
1753 | /* swap. top of stack (b) is the iv */ | |
1754 | iv = SvIVX(TOPs); | |
1755 | SP--; | |
1756 | if (iv < 0) { | |
1757 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
1758 | SETs(&PL_sv_yes); | |
1759 | RETURN; | |
1760 | } | |
1761 | uv = SvUVX(TOPs); | |
1762 | } else { | |
1763 | iv = SvIVX(TOPm1s); | |
1764 | SP--; | |
1765 | if (iv < 0) { | |
1766 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
1767 | SETs(&PL_sv_yes); | |
1768 | RETURN; | |
1769 | } | |
1770 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
1771 | } | |
1772 | /* we know iv is >= 0 */ | |
1773 | if (uv > (UV) IV_MAX) { | |
1774 | SETs(&PL_sv_yes); | |
1775 | RETURN; | |
1776 | } | |
1777 | SETs(boolSV((UV)iv != uv)); | |
1778 | RETURN; | |
1779 | } | |
1780 | } | |
1781 | } | |
1782 | #endif | |
a0d0e21e LW |
1783 | { |
1784 | dPOPnv; | |
54310121 | 1785 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1786 | RETURN; |
1787 | } | |
79072805 LW |
1788 | } |
1789 | ||
a0d0e21e | 1790 | PP(pp_ncmp) |
79072805 | 1791 | { |
8ec5e241 | 1792 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
28e5dec8 JH |
1793 | #ifdef PERL_PRESERVE_IVUV |
1794 | /* Fortunately it seems NaN isn't IOK */ | |
1795 | SvIV_please(TOPs); | |
1796 | if (SvIOK(TOPs)) { | |
1797 | SvIV_please(TOPm1s); | |
1798 | if (SvIOK(TOPm1s)) { | |
1799 | bool leftuvok = SvUOK(TOPm1s); | |
1800 | bool rightuvok = SvUOK(TOPs); | |
1801 | I32 value; | |
1802 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
1803 | IV leftiv = SvIVX(TOPm1s); | |
1804 | IV rightiv = SvIVX(TOPs); | |
1805 | ||
1806 | if (leftiv > rightiv) | |
1807 | value = 1; | |
1808 | else if (leftiv < rightiv) | |
1809 | value = -1; | |
1810 | else | |
1811 | value = 0; | |
1812 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
1813 | UV leftuv = SvUVX(TOPm1s); | |
1814 | UV rightuv = SvUVX(TOPs); | |
1815 | ||
1816 | if (leftuv > rightuv) | |
1817 | value = 1; | |
1818 | else if (leftuv < rightuv) | |
1819 | value = -1; | |
1820 | else | |
1821 | value = 0; | |
1822 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
1823 | UV leftuv; | |
1824 | IV rightiv; | |
1825 | ||
1826 | rightiv = SvIVX(TOPs); | |
1827 | if (rightiv < 0) { | |
1828 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1829 | value = 1; | |
1830 | } else { | |
1831 | leftuv = SvUVX(TOPm1s); | |
1832 | if (leftuv > (UV) IV_MAX) { | |
1833 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1834 | value = 1; | |
1835 | } else if (leftuv > (UV)rightiv) { | |
1836 | value = 1; | |
1837 | } else if (leftuv < (UV)rightiv) { | |
1838 | value = -1; | |
1839 | } else { | |
1840 | value = 0; | |
1841 | } | |
1842 | } | |
1843 | } else { /* ## IV <=> UV ## */ | |
1844 | IV leftiv; | |
1845 | UV rightuv; | |
1846 | ||
1847 | leftiv = SvIVX(TOPm1s); | |
1848 | if (leftiv < 0) { | |
1849 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1850 | value = -1; | |
1851 | } else { | |
1852 | rightuv = SvUVX(TOPs); | |
1853 | if (rightuv > (UV) IV_MAX) { | |
1854 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1855 | value = -1; | |
1856 | } else if (leftiv > (UV)rightuv) { | |
1857 | value = 1; | |
1858 | } else if (leftiv < (UV)rightuv) { | |
1859 | value = -1; | |
1860 | } else { | |
1861 | value = 0; | |
1862 | } | |
1863 | } | |
1864 | } | |
1865 | SP--; | |
1866 | SETi(value); | |
1867 | RETURN; | |
1868 | } | |
1869 | } | |
1870 | #endif | |
a0d0e21e LW |
1871 | { |
1872 | dPOPTOPnnrl; | |
1873 | I32 value; | |
79072805 | 1874 | |
a3540c92 | 1875 | #ifdef Perl_isnan |
1ad04cfd JH |
1876 | if (Perl_isnan(left) || Perl_isnan(right)) { |
1877 | SETs(&PL_sv_undef); | |
1878 | RETURN; | |
1879 | } | |
1880 | value = (left > right) - (left < right); | |
1881 | #else | |
ff0cee69 | 1882 | if (left == right) |
a0d0e21e | 1883 | value = 0; |
a0d0e21e LW |
1884 | else if (left < right) |
1885 | value = -1; | |
44a8e56a | 1886 | else if (left > right) |
1887 | value = 1; | |
1888 | else { | |
3280af22 | 1889 | SETs(&PL_sv_undef); |
44a8e56a | 1890 | RETURN; |
1891 | } | |
1ad04cfd | 1892 | #endif |
a0d0e21e LW |
1893 | SETi(value); |
1894 | RETURN; | |
79072805 | 1895 | } |
a0d0e21e | 1896 | } |
79072805 | 1897 | |
a0d0e21e LW |
1898 | PP(pp_slt) |
1899 | { | |
8ec5e241 | 1900 | djSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1901 | { |
1902 | dPOPTOPssrl; | |
533c011a | 1903 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1904 | ? sv_cmp_locale(left, right) |
1905 | : sv_cmp(left, right)); | |
54310121 | 1906 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1907 | RETURN; |
1908 | } | |
79072805 LW |
1909 | } |
1910 | ||
a0d0e21e | 1911 | PP(pp_sgt) |
79072805 | 1912 | { |
8ec5e241 | 1913 | djSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1914 | { |
1915 | dPOPTOPssrl; | |
533c011a | 1916 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1917 | ? sv_cmp_locale(left, right) |
1918 | : sv_cmp(left, right)); | |
54310121 | 1919 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1920 | RETURN; |
1921 | } | |
1922 | } | |
79072805 | 1923 | |
a0d0e21e LW |
1924 | PP(pp_sle) |
1925 | { | |
8ec5e241 | 1926 | djSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1927 | { |
1928 | dPOPTOPssrl; | |
533c011a | 1929 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1930 | ? sv_cmp_locale(left, right) |
1931 | : sv_cmp(left, right)); | |
54310121 | 1932 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1933 | RETURN; |
79072805 | 1934 | } |
79072805 LW |
1935 | } |
1936 | ||
a0d0e21e LW |
1937 | PP(pp_sge) |
1938 | { | |
8ec5e241 | 1939 | djSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1940 | { |
1941 | dPOPTOPssrl; | |
533c011a | 1942 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1943 | ? sv_cmp_locale(left, right) |
1944 | : sv_cmp(left, right)); | |
54310121 | 1945 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1946 | RETURN; |
1947 | } | |
1948 | } | |
79072805 | 1949 | |
36477c24 | 1950 | PP(pp_seq) |
1951 | { | |
8ec5e241 | 1952 | djSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1953 | { |
1954 | dPOPTOPssrl; | |
54310121 | 1955 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1956 | RETURN; |
1957 | } | |
1958 | } | |
79072805 | 1959 | |
a0d0e21e | 1960 | PP(pp_sne) |
79072805 | 1961 | { |
8ec5e241 | 1962 | djSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1963 | { |
1964 | dPOPTOPssrl; | |
54310121 | 1965 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1966 | RETURN; |
463ee0b2 | 1967 | } |
79072805 LW |
1968 | } |
1969 | ||
a0d0e21e | 1970 | PP(pp_scmp) |
79072805 | 1971 | { |
4e35701f | 1972 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1973 | { |
1974 | dPOPTOPssrl; | |
533c011a | 1975 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1976 | ? sv_cmp_locale(left, right) |
1977 | : sv_cmp(left, right)); | |
1978 | SETi( cmp ); | |
a0d0e21e LW |
1979 | RETURN; |
1980 | } | |
1981 | } | |
79072805 | 1982 | |
55497cff | 1983 | PP(pp_bit_and) |
1984 | { | |
8ec5e241 | 1985 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1986 | { |
1987 | dPOPTOPssrl; | |
4633a7c4 | 1988 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 1989 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1990 | IV i = SvIV(left) & SvIV(right); |
1991 | SETi(i); | |
d0ba1bd2 JH |
1992 | } |
1993 | else { | |
972b05a9 JH |
1994 | UV u = SvUV(left) & SvUV(right); |
1995 | SETu(u); | |
d0ba1bd2 | 1996 | } |
a0d0e21e LW |
1997 | } |
1998 | else { | |
533c011a | 1999 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2000 | SETTARG; |
2001 | } | |
2002 | RETURN; | |
2003 | } | |
2004 | } | |
79072805 | 2005 | |
a0d0e21e LW |
2006 | PP(pp_bit_xor) |
2007 | { | |
8ec5e241 | 2008 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
2009 | { |
2010 | dPOPTOPssrl; | |
4633a7c4 | 2011 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2012 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2013 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
2014 | SETi(i); | |
d0ba1bd2 JH |
2015 | } |
2016 | else { | |
972b05a9 JH |
2017 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
2018 | SETu(u); | |
d0ba1bd2 | 2019 | } |
a0d0e21e LW |
2020 | } |
2021 | else { | |
533c011a | 2022 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2023 | SETTARG; |
2024 | } | |
2025 | RETURN; | |
2026 | } | |
2027 | } | |
79072805 | 2028 | |
a0d0e21e LW |
2029 | PP(pp_bit_or) |
2030 | { | |
8ec5e241 | 2031 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
2032 | { |
2033 | dPOPTOPssrl; | |
4633a7c4 | 2034 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2035 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2036 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
2037 | SETi(i); | |
d0ba1bd2 JH |
2038 | } |
2039 | else { | |
972b05a9 JH |
2040 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
2041 | SETu(u); | |
d0ba1bd2 | 2042 | } |
a0d0e21e LW |
2043 | } |
2044 | else { | |
533c011a | 2045 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2046 | SETTARG; |
2047 | } | |
2048 | RETURN; | |
79072805 | 2049 | } |
a0d0e21e | 2050 | } |
79072805 | 2051 | |
a0d0e21e LW |
2052 | PP(pp_negate) |
2053 | { | |
4e35701f | 2054 | djSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
2055 | { |
2056 | dTOPss; | |
28e5dec8 | 2057 | int flags = SvFLAGS(sv); |
4633a7c4 LW |
2058 | if (SvGMAGICAL(sv)) |
2059 | mg_get(sv); | |
28e5dec8 JH |
2060 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
2061 | /* It's publicly an integer, or privately an integer-not-float */ | |
2062 | oops_its_an_int: | |
9b0e499b GS |
2063 | if (SvIsUV(sv)) { |
2064 | if (SvIVX(sv) == IV_MIN) { | |
28e5dec8 | 2065 | /* 2s complement assumption. */ |
9b0e499b GS |
2066 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
2067 | RETURN; | |
2068 | } | |
2069 | else if (SvUVX(sv) <= IV_MAX) { | |
beccb14c | 2070 | SETi(-SvIVX(sv)); |
9b0e499b GS |
2071 | RETURN; |
2072 | } | |
2073 | } | |
2074 | else if (SvIVX(sv) != IV_MIN) { | |
2075 | SETi(-SvIVX(sv)); | |
2076 | RETURN; | |
2077 | } | |
28e5dec8 JH |
2078 | #ifdef PERL_PRESERVE_IVUV |
2079 | else { | |
2080 | SETu((UV)IV_MIN); | |
2081 | RETURN; | |
2082 | } | |
2083 | #endif | |
9b0e499b GS |
2084 | } |
2085 | if (SvNIOKp(sv)) | |
a0d0e21e | 2086 | SETn(-SvNV(sv)); |
4633a7c4 | 2087 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
2088 | STRLEN len; |
2089 | char *s = SvPV(sv, len); | |
bbce6d69 | 2090 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
2091 | sv_setpvn(TARG, "-", 1); |
2092 | sv_catsv(TARG, sv); | |
79072805 | 2093 | } |
a0d0e21e LW |
2094 | else if (*s == '+' || *s == '-') { |
2095 | sv_setsv(TARG, sv); | |
2096 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 2097 | } |
7e2040f0 | 2098 | else if (DO_UTF8(sv) && *(U8*)s >= 0xc0 && isIDFIRST_utf8((U8*)s)) { |
834a4ddd LW |
2099 | sv_setpvn(TARG, "-", 1); |
2100 | sv_catsv(TARG, sv); | |
2101 | } | |
28e5dec8 JH |
2102 | else { |
2103 | SvIV_please(sv); | |
2104 | if (SvIOK(sv)) | |
2105 | goto oops_its_an_int; | |
2106 | sv_setnv(TARG, -SvNV(sv)); | |
2107 | } | |
a0d0e21e | 2108 | SETTARG; |
79072805 | 2109 | } |
4633a7c4 LW |
2110 | else |
2111 | SETn(-SvNV(sv)); | |
79072805 | 2112 | } |
a0d0e21e | 2113 | RETURN; |
79072805 LW |
2114 | } |
2115 | ||
a0d0e21e | 2116 | PP(pp_not) |
79072805 | 2117 | { |
4e35701f | 2118 | djSP; tryAMAGICunSET(not); |
3280af22 | 2119 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 2120 | return NORMAL; |
79072805 LW |
2121 | } |
2122 | ||
a0d0e21e | 2123 | PP(pp_complement) |
79072805 | 2124 | { |
8ec5e241 | 2125 | djSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
2126 | { |
2127 | dTOPss; | |
4633a7c4 | 2128 | if (SvNIOKp(sv)) { |
d0ba1bd2 | 2129 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2130 | IV i = ~SvIV(sv); |
2131 | SETi(i); | |
d0ba1bd2 JH |
2132 | } |
2133 | else { | |
972b05a9 JH |
2134 | UV u = ~SvUV(sv); |
2135 | SETu(u); | |
d0ba1bd2 | 2136 | } |
a0d0e21e LW |
2137 | } |
2138 | else { | |
51723571 | 2139 | register U8 *tmps; |
55497cff | 2140 | register I32 anum; |
a0d0e21e LW |
2141 | STRLEN len; |
2142 | ||
2143 | SvSetSV(TARG, sv); | |
51723571 | 2144 | tmps = (U8*)SvPV_force(TARG, len); |
a0d0e21e | 2145 | anum = len; |
1d68d6cd | 2146 | if (SvUTF8(TARG)) { |
a1ca4561 | 2147 | /* Calculate exact length, let's not estimate. */ |
1d68d6cd SC |
2148 | STRLEN targlen = 0; |
2149 | U8 *result; | |
51723571 | 2150 | U8 *send; |
ba210ebe | 2151 | STRLEN l; |
a1ca4561 YST |
2152 | UV nchar = 0; |
2153 | UV nwide = 0; | |
1d68d6cd SC |
2154 | |
2155 | send = tmps + len; | |
2156 | while (tmps < send) { | |
cc366d4b | 2157 | UV c = utf8_to_uv(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
1d68d6cd | 2158 | tmps += UTF8SKIP(tmps); |
5bbb0b5a | 2159 | targlen += UNISKIP(~c); |
a1ca4561 YST |
2160 | nchar++; |
2161 | if (c > 0xff) | |
2162 | nwide++; | |
1d68d6cd SC |
2163 | } |
2164 | ||
2165 | /* Now rewind strings and write them. */ | |
2166 | tmps -= len; | |
a1ca4561 YST |
2167 | |
2168 | if (nwide) { | |
2169 | Newz(0, result, targlen + 1, U8); | |
2170 | while (tmps < send) { | |
cc366d4b | 2171 | UV c = utf8_to_uv(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
a1ca4561 YST |
2172 | tmps += UTF8SKIP(tmps); |
2173 | result = uv_to_utf8(result, ~c); | |
2174 | } | |
2175 | *result = '\0'; | |
2176 | result -= targlen; | |
2177 | sv_setpvn(TARG, (char*)result, targlen); | |
2178 | SvUTF8_on(TARG); | |
2179 | } | |
2180 | else { | |
2181 | Newz(0, result, nchar + 1, U8); | |
2182 | while (tmps < send) { | |
2183 | U8 c = (U8)utf8_to_uv(tmps, 0, &l, UTF8_ALLOW_ANY); | |
2184 | tmps += UTF8SKIP(tmps); | |
2185 | *result++ = ~c; | |
2186 | } | |
2187 | *result = '\0'; | |
2188 | result -= nchar; | |
2189 | sv_setpvn(TARG, (char*)result, nchar); | |
1d68d6cd | 2190 | } |
1d68d6cd SC |
2191 | Safefree(result); |
2192 | SETs(TARG); | |
2193 | RETURN; | |
2194 | } | |
a0d0e21e | 2195 | #ifdef LIBERAL |
51723571 JH |
2196 | { |
2197 | register long *tmpl; | |
2198 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
2199 | *tmps = ~*tmps; | |
2200 | tmpl = (long*)tmps; | |
2201 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
2202 | *tmpl = ~*tmpl; | |
2203 | tmps = (U8*)tmpl; | |
2204 | } | |
a0d0e21e LW |
2205 | #endif |
2206 | for ( ; anum > 0; anum--, tmps++) | |
2207 | *tmps = ~*tmps; | |
2208 | ||
2209 | SETs(TARG); | |
2210 | } | |
2211 | RETURN; | |
2212 | } | |
79072805 LW |
2213 | } |
2214 | ||
a0d0e21e LW |
2215 | /* integer versions of some of the above */ |
2216 | ||
a0d0e21e | 2217 | PP(pp_i_multiply) |
79072805 | 2218 | { |
8ec5e241 | 2219 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
2220 | { |
2221 | dPOPTOPiirl; | |
2222 | SETi( left * right ); | |
2223 | RETURN; | |
2224 | } | |
79072805 LW |
2225 | } |
2226 | ||
a0d0e21e | 2227 | PP(pp_i_divide) |
79072805 | 2228 | { |
8ec5e241 | 2229 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
2230 | { |
2231 | dPOPiv; | |
2232 | if (value == 0) | |
cea2e8a9 | 2233 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
2234 | value = POPi / value; |
2235 | PUSHi( value ); | |
2236 | RETURN; | |
2237 | } | |
79072805 LW |
2238 | } |
2239 | ||
a0d0e21e | 2240 | PP(pp_i_modulo) |
79072805 | 2241 | { |
b13b2135 | 2242 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 2243 | { |
a0d0e21e | 2244 | dPOPTOPiirl; |
aa306039 | 2245 | if (!right) |
cea2e8a9 | 2246 | DIE(aTHX_ "Illegal modulus zero"); |
a0d0e21e LW |
2247 | SETi( left % right ); |
2248 | RETURN; | |
79072805 | 2249 | } |
79072805 LW |
2250 | } |
2251 | ||
a0d0e21e | 2252 | PP(pp_i_add) |
79072805 | 2253 | { |
8ec5e241 | 2254 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e | 2255 | { |
5e66d4f1 | 2256 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2257 | SETi( left + right ); |
2258 | RETURN; | |
79072805 | 2259 | } |
79072805 LW |
2260 | } |
2261 | ||
a0d0e21e | 2262 | PP(pp_i_subtract) |
79072805 | 2263 | { |
8ec5e241 | 2264 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 2265 | { |
5e66d4f1 | 2266 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2267 | SETi( left - right ); |
2268 | RETURN; | |
79072805 | 2269 | } |
79072805 LW |
2270 | } |
2271 | ||
a0d0e21e | 2272 | PP(pp_i_lt) |
79072805 | 2273 | { |
8ec5e241 | 2274 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
2275 | { |
2276 | dPOPTOPiirl; | |
54310121 | 2277 | SETs(boolSV(left < right)); |
a0d0e21e LW |
2278 | RETURN; |
2279 | } | |
79072805 LW |
2280 | } |
2281 | ||
a0d0e21e | 2282 | PP(pp_i_gt) |
79072805 | 2283 | { |
8ec5e241 | 2284 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
2285 | { |
2286 | dPOPTOPiirl; | |
54310121 | 2287 | SETs(boolSV(left > right)); |
a0d0e21e LW |
2288 | RETURN; |
2289 | } | |
79072805 LW |
2290 | } |
2291 | ||
a0d0e21e | 2292 | PP(pp_i_le) |
79072805 | 2293 | { |
8ec5e241 | 2294 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
2295 | { |
2296 | dPOPTOPiirl; | |
54310121 | 2297 | SETs(boolSV(left <= right)); |
a0d0e21e | 2298 | RETURN; |
85e6fe83 | 2299 | } |
79072805 LW |
2300 | } |
2301 | ||
a0d0e21e | 2302 | PP(pp_i_ge) |
79072805 | 2303 | { |
8ec5e241 | 2304 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
2305 | { |
2306 | dPOPTOPiirl; | |
54310121 | 2307 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
2308 | RETURN; |
2309 | } | |
79072805 LW |
2310 | } |
2311 | ||
a0d0e21e | 2312 | PP(pp_i_eq) |
79072805 | 2313 | { |
8ec5e241 | 2314 | djSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
2315 | { |
2316 | dPOPTOPiirl; | |
54310121 | 2317 | SETs(boolSV(left == right)); |
a0d0e21e LW |
2318 | RETURN; |
2319 | } | |
79072805 LW |
2320 | } |
2321 | ||
a0d0e21e | 2322 | PP(pp_i_ne) |
79072805 | 2323 | { |
8ec5e241 | 2324 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
2325 | { |
2326 | dPOPTOPiirl; | |
54310121 | 2327 | SETs(boolSV(left != right)); |
a0d0e21e LW |
2328 | RETURN; |
2329 | } | |
79072805 LW |
2330 | } |
2331 | ||
a0d0e21e | 2332 | PP(pp_i_ncmp) |
79072805 | 2333 | { |
8ec5e241 | 2334 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
2335 | { |
2336 | dPOPTOPiirl; | |
2337 | I32 value; | |
79072805 | 2338 | |
a0d0e21e | 2339 | if (left > right) |
79072805 | 2340 | value = 1; |
a0d0e21e | 2341 | else if (left < right) |
79072805 | 2342 | value = -1; |
a0d0e21e | 2343 | else |
79072805 | 2344 | value = 0; |
a0d0e21e LW |
2345 | SETi(value); |
2346 | RETURN; | |
79072805 | 2347 | } |
85e6fe83 LW |
2348 | } |
2349 | ||
2350 | PP(pp_i_negate) | |
2351 | { | |
4e35701f | 2352 | djSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
2353 | SETi(-TOPi); |
2354 | RETURN; | |
2355 | } | |
2356 | ||
79072805 LW |
2357 | /* High falutin' math. */ |
2358 | ||
2359 | PP(pp_atan2) | |
2360 | { | |
8ec5e241 | 2361 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
2362 | { |
2363 | dPOPTOPnnrl; | |
65202027 | 2364 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
2365 | RETURN; |
2366 | } | |
79072805 LW |
2367 | } |
2368 | ||
2369 | PP(pp_sin) | |
2370 | { | |
4e35701f | 2371 | djSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 2372 | { |
65202027 | 2373 | NV value; |
a0d0e21e | 2374 | value = POPn; |
65202027 | 2375 | value = Perl_sin(value); |
a0d0e21e LW |
2376 | XPUSHn(value); |
2377 | RETURN; | |
2378 | } | |
79072805 LW |
2379 | } |
2380 | ||
2381 | PP(pp_cos) | |
2382 | { | |
4e35701f | 2383 | djSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 2384 | { |
65202027 | 2385 | NV value; |
a0d0e21e | 2386 | value = POPn; |
65202027 | 2387 | value = Perl_cos(value); |
a0d0e21e LW |
2388 | XPUSHn(value); |
2389 | RETURN; | |
2390 | } | |
79072805 LW |
2391 | } |
2392 | ||
56cb0a1c AD |
2393 | /* Support Configure command-line overrides for rand() functions. |
2394 | After 5.005, perhaps we should replace this by Configure support | |
2395 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
2396 | compatibility by calling rand() but allow the user to override it. | |
2397 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
2398 | */ | |
85ab1d1d JH |
2399 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
2400 | in addition to rand(). So the overrides should not be needed any more. | |
2401 | --Jarkko Hietaniemi 27 September 1998 | |
2402 | */ | |
2403 | ||
2404 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 2405 | extern double drand48 (void); |
56cb0a1c AD |
2406 | #endif |
2407 | ||
79072805 LW |
2408 | PP(pp_rand) |
2409 | { | |
4e35701f | 2410 | djSP; dTARGET; |
65202027 | 2411 | NV value; |
79072805 LW |
2412 | if (MAXARG < 1) |
2413 | value = 1.0; | |
2414 | else | |
2415 | value = POPn; | |
2416 | if (value == 0.0) | |
2417 | value = 1.0; | |
80252599 | 2418 | if (!PL_srand_called) { |
85ab1d1d | 2419 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 2420 | PL_srand_called = TRUE; |
93dc8474 | 2421 | } |
85ab1d1d | 2422 | value *= Drand01(); |
79072805 LW |
2423 | XPUSHn(value); |
2424 | RETURN; | |
2425 | } | |
2426 | ||
2427 | PP(pp_srand) | |
2428 | { | |
4e35701f | 2429 | djSP; |
93dc8474 CS |
2430 | UV anum; |
2431 | if (MAXARG < 1) | |
2432 | anum = seed(); | |
79072805 | 2433 | else |
93dc8474 | 2434 | anum = POPu; |
85ab1d1d | 2435 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 2436 | PL_srand_called = TRUE; |
79072805 LW |
2437 | EXTEND(SP, 1); |
2438 | RETPUSHYES; | |
2439 | } | |
2440 | ||
76e3520e | 2441 | STATIC U32 |
cea2e8a9 | 2442 | S_seed(pTHX) |
93dc8474 | 2443 | { |
54310121 | 2444 | /* |
2445 | * This is really just a quick hack which grabs various garbage | |
2446 | * values. It really should be a real hash algorithm which | |
2447 | * spreads the effect of every input bit onto every output bit, | |
85ab1d1d | 2448 | * if someone who knows about such things would bother to write it. |
54310121 | 2449 | * Might be a good idea to add that function to CORE as well. |
85ab1d1d | 2450 | * No numbers below come from careful analysis or anything here, |
54310121 | 2451 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
2452 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
2453 | * probably be bigger too. | |
2454 | */ | |
2455 | #if RANDBITS > 16 | |
2456 | # define SEED_C1 1000003 | |
2457 | #define SEED_C4 73819 | |
2458 | #else | |
2459 | # define SEED_C1 25747 | |
2460 | #define SEED_C4 20639 | |
2461 | #endif | |
2462 | #define SEED_C2 3 | |
2463 | #define SEED_C3 269 | |
2464 | #define SEED_C5 26107 | |
2465 | ||
73c60299 RS |
2466 | #ifndef PERL_NO_DEV_RANDOM |
2467 | int fd; | |
2468 | #endif | |
93dc8474 | 2469 | U32 u; |
f12c7020 | 2470 | #ifdef VMS |
2471 | # include <starlet.h> | |
43c92808 HF |
2472 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
2473 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 | 2474 | unsigned int when[2]; |
73c60299 RS |
2475 | #else |
2476 | # ifdef HAS_GETTIMEOFDAY | |
2477 | struct timeval when; | |
2478 | # else | |
2479 | Time_t when; | |
2480 | # endif | |
2481 | #endif | |
2482 | ||
2483 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
2484 | #ifndef PERL_NO_DEV_RANDOM | |
2485 | #ifndef PERL_RANDOM_DEVICE | |
2486 | /* /dev/random isn't used by default because reads from it will block | |
2487 | * if there isn't enough entropy available. You can compile with | |
2488 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
2489 | * is enough real entropy to fill the seed. */ | |
2490 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
2491 | #endif | |
2492 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
2493 | if (fd != -1) { | |
2494 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
2495 | u = 0; | |
2496 | PerlLIO_close(fd); | |
2497 | if (u) | |
2498 | return u; | |
2499 | } | |
2500 | #endif | |
2501 | ||
2502 | #ifdef VMS | |
93dc8474 | 2503 | _ckvmssts(sys$gettim(when)); |
54310121 | 2504 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 2505 | #else |
5f05dabc | 2506 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 | 2507 | gettimeofday(&when,(struct timezone *) 0); |
54310121 | 2508 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 2509 | # else |
93dc8474 | 2510 | (void)time(&when); |
54310121 | 2511 | u = (U32)SEED_C1 * when; |
f12c7020 | 2512 | # endif |
2513 | #endif | |
7766f137 | 2514 | u += SEED_C3 * (U32)PerlProc_getpid(); |
56431972 | 2515 | u += SEED_C4 * (U32)PTR2UV(PL_stack_sp); |
54310121 | 2516 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
56431972 | 2517 | u += SEED_C5 * (U32)PTR2UV(&when); |
f12c7020 | 2518 | #endif |
93dc8474 | 2519 | return u; |
79072805 LW |
2520 | } |
2521 | ||
2522 | PP(pp_exp) | |
2523 | { | |
4e35701f | 2524 | djSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 2525 | { |
65202027 | 2526 | NV value; |
a0d0e21e | 2527 | value = POPn; |
65202027 | 2528 | value = Perl_exp(value); |
a0d0e21e LW |
2529 | XPUSHn(value); |
2530 | RETURN; | |
2531 | } | |
79072805 LW |
2532 | } |
2533 | ||
2534 | PP(pp_log) | |
2535 | { | |
4e35701f | 2536 | djSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 2537 | { |
65202027 | 2538 | NV value; |
a0d0e21e | 2539 | value = POPn; |
bbce6d69 | 2540 | if (value <= 0.0) { |
f93f4e46 | 2541 | SET_NUMERIC_STANDARD(); |
cea2e8a9 | 2542 | DIE(aTHX_ "Can't take log of %g", value); |
bbce6d69 | 2543 | } |
65202027 | 2544 | value = Perl_log(value); |
a0d0e21e LW |
2545 | XPUSHn(value); |
2546 | RETURN; | |
2547 | } | |
79072805 LW |
2548 | } |
2549 | ||
2550 | PP(pp_sqrt) | |
2551 | { | |
4e35701f | 2552 | djSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 2553 | { |
65202027 | 2554 | NV value; |
a0d0e21e | 2555 | value = POPn; |
bbce6d69 | 2556 | if (value < 0.0) { |
f93f4e46 | 2557 | SET_NUMERIC_STANDARD(); |
cea2e8a9 | 2558 | DIE(aTHX_ "Can't take sqrt of %g", value); |
bbce6d69 | 2559 | } |
65202027 | 2560 | value = Perl_sqrt(value); |
a0d0e21e LW |
2561 | XPUSHn(value); |
2562 | RETURN; | |
2563 | } | |
79072805 LW |
2564 | } |
2565 | ||
2566 | PP(pp_int) | |
2567 | { | |
4e35701f | 2568 | djSP; dTARGET; |
774d564b | 2569 | { |
28e5dec8 JH |
2570 | NV value; |
2571 | IV iv = TOPi; /* attempt to convert to IV if possible. */ | |
2572 | /* XXX it's arguable that compiler casting to IV might be subtly | |
2573 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
2574 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
2575 | relying on floating point to be accurate is a bug. */ | |
2576 | ||
2577 | if (SvIOK(TOPs)) { | |
2578 | if (SvIsUV(TOPs)) { | |
2579 | UV uv = TOPu; | |
2580 | SETu(uv); | |
2581 | } else | |
2582 | SETi(iv); | |
2583 | } else { | |
2584 | value = TOPn; | |
1048ea30 | 2585 | if (value >= 0.0) { |
28e5dec8 JH |
2586 | if (value < (NV)UV_MAX + 0.5) { |
2587 | SETu(U_V(value)); | |
2588 | } else { | |
1048ea30 | 2589 | #if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) |
28e5dec8 | 2590 | (void)Perl_modf(value, &value); |
1048ea30 | 2591 | #else |
28e5dec8 JH |
2592 | double tmp = (double)value; |
2593 | (void)Perl_modf(tmp, &tmp); | |
2594 | value = (NV)tmp; | |
1048ea30 | 2595 | #endif |
28e5dec8 | 2596 | } |
1048ea30 | 2597 | } |
28e5dec8 JH |
2598 | else { |
2599 | if (value > (NV)IV_MIN - 0.5) { | |
2600 | SETi(I_V(value)); | |
2601 | } else { | |
1048ea30 | 2602 | #if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) |
28e5dec8 JH |
2603 | (void)Perl_modf(-value, &value); |
2604 | value = -value; | |
1048ea30 | 2605 | #else |
28e5dec8 JH |
2606 | double tmp = (double)value; |
2607 | (void)Perl_modf(-tmp, &tmp); | |
2608 | value = -(NV)tmp; | |
1048ea30 | 2609 | #endif |
28e5dec8 JH |
2610 | SETn(value); |
2611 | } | |
2612 | } | |
774d564b | 2613 | } |
79072805 | 2614 | } |
79072805 LW |
2615 | RETURN; |
2616 | } | |
2617 | ||
463ee0b2 LW |
2618 | PP(pp_abs) |
2619 | { | |
4e35701f | 2620 | djSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 2621 | { |
28e5dec8 JH |
2622 | /* This will cache the NV value if string isn't actually integer */ |
2623 | IV iv = TOPi; | |
2624 | ||
2625 | if (SvIOK(TOPs)) { | |
2626 | /* IVX is precise */ | |
2627 | if (SvIsUV(TOPs)) { | |
2628 | SETu(TOPu); /* force it to be numeric only */ | |
2629 | } else { | |
2630 | if (iv >= 0) { | |
2631 | SETi(iv); | |
2632 | } else { | |
2633 | if (iv != IV_MIN) { | |
2634 | SETi(-iv); | |
2635 | } else { | |
2636 | /* 2s complement assumption. Also, not really needed as | |
2637 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
2638 | SETu(IV_MIN); | |
2639 | } | |
2640 | } | |
2641 | } | |
2642 | } else{ | |
2643 | NV value = TOPn; | |
774d564b | 2644 | if (value < 0.0) |
28e5dec8 | 2645 | value = -value; |
774d564b | 2646 | SETn(value); |
2647 | } | |
a0d0e21e | 2648 | } |
774d564b | 2649 | RETURN; |
463ee0b2 LW |
2650 | } |
2651 | ||
79072805 LW |
2652 | PP(pp_hex) |
2653 | { | |
4e35701f | 2654 | djSP; dTARGET; |
79072805 | 2655 | char *tmps; |
ba210ebe | 2656 | STRLEN argtype; |
2d8e6c8d | 2657 | STRLEN n_a; |
79072805 | 2658 | |
2d8e6c8d | 2659 | tmps = POPpx; |
b21ed0a9 | 2660 | argtype = 1; /* allow underscores */ |
9e24b6e2 | 2661 | XPUSHn(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
2662 | RETURN; |
2663 | } | |
2664 | ||
2665 | PP(pp_oct) | |
2666 | { | |
4e35701f | 2667 | djSP; dTARGET; |
9e24b6e2 | 2668 | NV value; |
ba210ebe | 2669 | STRLEN argtype; |
79072805 | 2670 | char *tmps; |
2d8e6c8d | 2671 | STRLEN n_a; |
79072805 | 2672 | |
2d8e6c8d | 2673 | tmps = POPpx; |
464e2e8a | 2674 | while (*tmps && isSPACE(*tmps)) |
2675 | tmps++; | |
9e24b6e2 JH |
2676 | if (*tmps == '0') |
2677 | tmps++; | |
b21ed0a9 | 2678 | argtype = 1; /* allow underscores */ |
9e24b6e2 JH |
2679 | if (*tmps == 'x') |
2680 | value = scan_hex(++tmps, 99, &argtype); | |
2681 | else if (*tmps == 'b') | |
2682 | value = scan_bin(++tmps, 99, &argtype); | |
464e2e8a | 2683 | else |
9e24b6e2 JH |
2684 | value = scan_oct(tmps, 99, &argtype); |
2685 | XPUSHn(value); | |
79072805 LW |
2686 | RETURN; |
2687 | } | |
2688 | ||
2689 | /* String stuff. */ | |
2690 | ||
2691 | PP(pp_length) | |
2692 | { | |
4e35701f | 2693 | djSP; dTARGET; |
7e2040f0 | 2694 | SV *sv = TOPs; |
a0ed51b3 | 2695 | |
7e2040f0 GS |
2696 | if (DO_UTF8(sv)) |
2697 | SETi(sv_len_utf8(sv)); | |
2698 | else | |
2699 | SETi(sv_len(sv)); | |
79072805 LW |
2700 | RETURN; |
2701 | } | |
2702 | ||
2703 | PP(pp_substr) | |
2704 | { | |
4e35701f | 2705 | djSP; dTARGET; |
79072805 LW |
2706 | SV *sv; |
2707 | I32 len; | |
463ee0b2 | 2708 | STRLEN curlen; |
a0ed51b3 | 2709 | STRLEN utfcurlen; |
79072805 LW |
2710 | I32 pos; |
2711 | I32 rem; | |
84902520 | 2712 | I32 fail; |
533c011a | 2713 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
79072805 | 2714 | char *tmps; |
3280af22 | 2715 | I32 arybase = PL_curcop->cop_arybase; |
7b8d334a GS |
2716 | char *repl = 0; |
2717 | STRLEN repl_len; | |
79072805 | 2718 | |
20408e3c | 2719 | SvTAINTED_off(TARG); /* decontaminate */ |
7e2040f0 | 2720 | SvUTF8_off(TARG); /* decontaminate */ |
5d82c453 GA |
2721 | if (MAXARG > 2) { |
2722 | if (MAXARG > 3) { | |
2723 | sv = POPs; | |
2724 | repl = SvPV(sv, repl_len); | |
7b8d334a | 2725 | } |
79072805 | 2726 | len = POPi; |
5d82c453 | 2727 | } |
84902520 | 2728 | pos = POPi; |
79072805 | 2729 | sv = POPs; |
849ca7ee | 2730 | PUTBACK; |
a0d0e21e | 2731 | tmps = SvPV(sv, curlen); |
7e2040f0 | 2732 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
2733 | utfcurlen = sv_len_utf8(sv); |
2734 | if (utfcurlen == curlen) | |
2735 | utfcurlen = 0; | |
2736 | else | |
2737 | curlen = utfcurlen; | |
2738 | } | |
d1c2b58a LW |
2739 | else |
2740 | utfcurlen = 0; | |
a0ed51b3 | 2741 | |
84902520 TB |
2742 | if (pos >= arybase) { |
2743 | pos -= arybase; | |
2744 | rem = curlen-pos; | |
2745 | fail = rem; | |
5d82c453 GA |
2746 | if (MAXARG > 2) { |
2747 | if (len < 0) { | |
2748 | rem += len; | |
2749 | if (rem < 0) | |
2750 | rem = 0; | |
2751 | } | |
2752 | else if (rem > len) | |
2753 | rem = len; | |
2754 | } | |
68dc0745 | 2755 | } |
84902520 | 2756 | else { |
5d82c453 GA |
2757 | pos += curlen; |
2758 | if (MAXARG < 3) | |
2759 | rem = curlen; | |
2760 | else if (len >= 0) { | |
2761 | rem = pos+len; | |
2762 | if (rem > (I32)curlen) | |
2763 | rem = curlen; | |
2764 | } | |
2765 | else { | |
2766 | rem = curlen+len; | |
2767 | if (rem < pos) | |
2768 | rem = pos; | |
2769 | } | |
2770 | if (pos < 0) | |
2771 | pos = 0; | |
2772 | fail = rem; | |
2773 | rem -= pos; | |
84902520 TB |
2774 | } |
2775 | if (fail < 0) { | |
e476b1b5 GS |
2776 | if (lvalue || repl) |
2777 | Perl_croak(aTHX_ "substr outside of string"); | |
2778 | if (ckWARN(WARN_SUBSTR)) | |
cea2e8a9 | 2779 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
2304df62 AD |
2780 | RETPUSHUNDEF; |
2781 | } | |
79072805 | 2782 | else { |
7f66633b | 2783 | if (utfcurlen) |
a0ed51b3 | 2784 | sv_pos_u2b(sv, &pos, &rem); |
79072805 | 2785 | tmps += pos; |
79072805 | 2786 | sv_setpvn(TARG, tmps, rem); |
7f66633b GS |
2787 | if (utfcurlen) |
2788 | SvUTF8_on(TARG); | |
c8faf1c5 GS |
2789 | if (repl) |
2790 | sv_insert(sv, pos, rem, repl, repl_len); | |
2791 | else if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 2792 | if (!SvGMAGICAL(sv)) { |
2793 | if (SvROK(sv)) { | |
2d8e6c8d GS |
2794 | STRLEN n_a; |
2795 | SvPV_force(sv,n_a); | |
599cee73 | 2796 | if (ckWARN(WARN_SUBSTR)) |
cea2e8a9 | 2797 | Perl_warner(aTHX_ WARN_SUBSTR, |
599cee73 | 2798 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 2799 | } |
2800 | if (SvOK(sv)) /* is it defined ? */ | |
7f66633b | 2801 | (void)SvPOK_only_UTF8(sv); |
dedeecda | 2802 | else |
2803 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
2804 | } | |
5f05dabc | 2805 | |
a0d0e21e LW |
2806 | if (SvTYPE(TARG) < SVt_PVLV) { |
2807 | sv_upgrade(TARG, SVt_PVLV); | |
2808 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 2809 | } |
a0d0e21e | 2810 | |
5f05dabc | 2811 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
2812 | if (LvTARG(TARG) != sv) { |
2813 | if (LvTARG(TARG)) | |
2814 | SvREFCNT_dec(LvTARG(TARG)); | |
2815 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
2816 | } | |
a0d0e21e | 2817 | LvTARGOFF(TARG) = pos; |
8ec5e241 | 2818 | LvTARGLEN(TARG) = rem; |
79072805 LW |
2819 | } |
2820 | } | |
849ca7ee | 2821 | SPAGAIN; |
79072805 LW |
2822 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
2823 | RETURN; | |
2824 | } | |
2825 | ||
2826 | PP(pp_vec) | |
2827 | { | |
4e35701f | 2828 | djSP; dTARGET; |
467f0320 JH |
2829 | register IV size = POPi; |
2830 | register IV offset = POPi; | |
79072805 | 2831 | register SV *src = POPs; |
533c011a | 2832 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
a0d0e21e | 2833 | |
81e118e0 JH |
2834 | SvTAINTED_off(TARG); /* decontaminate */ |
2835 | if (lvalue) { /* it's an lvalue! */ | |
2836 | if (SvTYPE(TARG) < SVt_PVLV) { | |
2837 | sv_upgrade(TARG, SVt_PVLV); | |
2838 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
79072805 | 2839 | } |
81e118e0 JH |
2840 | LvTYPE(TARG) = 'v'; |
2841 | if (LvTARG(TARG) != src) { | |
2842 | if (LvTARG(TARG)) | |
2843 | SvREFCNT_dec(LvTARG(TARG)); | |
2844 | LvTARG(TARG) = SvREFCNT_inc(src); | |
79072805 | 2845 | } |
81e118e0 JH |
2846 | LvTARGOFF(TARG) = offset; |
2847 | LvTARGLEN(TARG) = size; | |
79072805 LW |
2848 | } |
2849 | ||
81e118e0 | 2850 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
2851 | PUSHs(TARG); |
2852 | RETURN; | |
2853 | } | |
2854 | ||
2855 | PP(pp_index) | |
2856 | { | |
4e35701f | 2857 | djSP; dTARGET; |
79072805 LW |
2858 | SV *big; |
2859 | SV *little; | |
2860 | I32 offset; | |
2861 | I32 retval; | |
2862 | char *tmps; | |
2863 | char *tmps2; | |
463ee0b2 | 2864 | STRLEN biglen; |
3280af22 | 2865 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
2866 | |
2867 | if (MAXARG < 3) | |
2868 | offset = 0; | |
2869 | else | |
2870 | offset = POPi - arybase; | |
2871 | little = POPs; | |
2872 | big = POPs; | |
463ee0b2 | 2873 | tmps = SvPV(big, biglen); |
7e2040f0 | 2874 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 | 2875 | sv_pos_u2b(big, &offset, 0); |
79072805 LW |
2876 | if (offset < 0) |
2877 | offset = 0; | |
93a17b20 LW |
2878 | else if (offset > biglen) |
2879 | offset = biglen; | |
79072805 | 2880 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 2881 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 2882 | retval = -1; |
79072805 | 2883 | else |
a0ed51b3 | 2884 | retval = tmps2 - tmps; |
7e2040f0 | 2885 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2886 | sv_pos_b2u(big, &retval); |
2887 | PUSHi(retval + arybase); | |
79072805 LW |
2888 | RETURN; |
2889 | } | |
2890 | ||
2891 | PP(pp_rindex) | |
2892 | { | |
4e35701f | 2893 | djSP; dTARGET; |
79072805 LW |
2894 | SV *big; |
2895 | SV *little; | |
463ee0b2 LW |
2896 | STRLEN blen; |
2897 | STRLEN llen; | |
79072805 LW |
2898 | I32 offset; |
2899 | I32 retval; | |
2900 | char *tmps; | |
2901 | char *tmps2; | |
3280af22 | 2902 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 2903 | |
a0d0e21e | 2904 | if (MAXARG >= 3) |
a0ed51b3 | 2905 | offset = POPi; |
79072805 LW |
2906 | little = POPs; |
2907 | big = POPs; | |
463ee0b2 LW |
2908 | tmps2 = SvPV(little, llen); |
2909 | tmps = SvPV(big, blen); | |
79072805 | 2910 | if (MAXARG < 3) |
463ee0b2 | 2911 | offset = blen; |
a0ed51b3 | 2912 | else { |
7e2040f0 | 2913 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2914 | sv_pos_u2b(big, &offset, 0); |
2915 | offset = offset - arybase + llen; | |
2916 | } | |
79072805 LW |
2917 | if (offset < 0) |
2918 | offset = 0; | |
463ee0b2 LW |
2919 | else if (offset > blen) |
2920 | offset = blen; | |
79072805 | 2921 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2922 | tmps2, tmps2 + llen))) |
a0ed51b3 | 2923 | retval = -1; |
79072805 | 2924 | else |
a0ed51b3 | 2925 | retval = tmps2 - tmps; |
7e2040f0 | 2926 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2927 | sv_pos_b2u(big, &retval); |
2928 | PUSHi(retval + arybase); | |
79072805 LW |
2929 | RETURN; |
2930 | } | |
2931 | ||
2932 | PP(pp_sprintf) | |
2933 | { | |
4e35701f | 2934 | djSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 2935 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2936 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2937 | SP = ORIGMARK; |
2938 | PUSHTARG; | |
2939 | RETURN; | |
2940 | } | |
2941 | ||
79072805 LW |
2942 | PP(pp_ord) |
2943 | { | |
4e35701f | 2944 | djSP; dTARGET; |
7df053ec | 2945 | SV *argsv = POPs; |
ba210ebe | 2946 | STRLEN len; |
7df053ec | 2947 | U8 *s = (U8*)SvPVx(argsv, len); |
79072805 | 2948 | |
7df053ec | 2949 | XPUSHu(DO_UTF8(argsv) ? utf8_to_uv_simple(s, 0) : (*s & 0xff)); |
79072805 LW |
2950 | RETURN; |
2951 | } | |
2952 | ||
463ee0b2 LW |
2953 | PP(pp_chr) |
2954 | { | |
4e35701f | 2955 | djSP; dTARGET; |
463ee0b2 | 2956 | char *tmps; |
467f0320 | 2957 | UV value = POPu; |
463ee0b2 | 2958 | |
748a9306 | 2959 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 | 2960 | |
aaa68c4a | 2961 | if ((value > 255 && !IN_BYTE) || (value & 0x80 && PL_hints & HINT_UTF8) ) { |
aa6ffa16 | 2962 | SvGROW(TARG, UTF8_MAXLEN+1); |
a0ed51b3 | 2963 | tmps = SvPVX(TARG); |
dfe13c55 | 2964 | tmps = (char*)uv_to_utf8((U8*)tmps, (UV)value); |
a0ed51b3 LW |
2965 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
2966 | *tmps = '\0'; | |
2967 | (void)SvPOK_only(TARG); | |
aa6ffa16 | 2968 | SvUTF8_on(TARG); |
a0ed51b3 LW |
2969 | XPUSHs(TARG); |
2970 | RETURN; | |
2971 | } | |
2972 | ||
748a9306 | 2973 | SvGROW(TARG,2); |
463ee0b2 LW |
2974 | SvCUR_set(TARG, 1); |
2975 | tmps = SvPVX(TARG); | |
a0ed51b3 | 2976 | *tmps++ = value; |
748a9306 | 2977 | *tmps = '\0'; |
a0d0e21e | 2978 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
2979 | XPUSHs(TARG); |
2980 | RETURN; | |
2981 | } | |
2982 | ||
79072805 LW |
2983 | PP(pp_crypt) |
2984 | { | |
4e35701f | 2985 | djSP; dTARGET; dPOPTOPssrl; |
2d8e6c8d | 2986 | STRLEN n_a; |
79072805 | 2987 | #ifdef HAS_CRYPT |
2d8e6c8d | 2988 | char *tmps = SvPV(left, n_a); |
79072805 | 2989 | #ifdef FCRYPT |
2d8e6c8d | 2990 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
79072805 | 2991 | #else |
2d8e6c8d | 2992 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
79072805 LW |
2993 | #endif |
2994 | #else | |
b13b2135 | 2995 | DIE(aTHX_ |
79072805 LW |
2996 | "The crypt() function is unimplemented due to excessive paranoia."); |
2997 | #endif | |
2998 | SETs(TARG); | |
2999 | RETURN; | |
3000 | } | |
3001 | ||
3002 | PP(pp_ucfirst) | |
3003 | { | |
4e35701f | 3004 | djSP; |
79072805 | 3005 | SV *sv = TOPs; |
a0ed51b3 LW |
3006 | register U8 *s; |
3007 | STRLEN slen; | |
3008 | ||
7e2040f0 | 3009 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
ba210ebe | 3010 | STRLEN ulen; |
ad391ad9 | 3011 | U8 tmpbuf[UTF8_MAXLEN+1]; |
a0ed51b3 | 3012 | U8 *tend; |
dcad2880 | 3013 | UV uv = utf8_to_uv(s, slen, &ulen, 0); |
a0ed51b3 LW |
3014 | |
3015 | if (PL_op->op_private & OPpLOCALE) { | |
3016 | TAINT; | |
3017 | SvTAINTED_on(sv); | |
3018 | uv = toTITLE_LC_uni(uv); | |
3019 | } | |
3020 | else | |
3021 | uv = toTITLE_utf8(s); | |
3022 | ||
3023 | tend = uv_to_utf8(tmpbuf, uv); | |
3024 | ||
014822e4 | 3025 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 3026 | dTARGET; |
dfe13c55 GS |
3027 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
3028 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3029 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3030 | SETs(TARG); |
3031 | } | |
3032 | else { | |
dfe13c55 | 3033 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
3034 | Copy(tmpbuf, s, ulen, U8); |
3035 | } | |
a0ed51b3 | 3036 | } |
626727d5 | 3037 | else { |
014822e4 | 3038 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3039 | dTARGET; |
7e2040f0 | 3040 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3041 | sv_setsv(TARG, sv); |
3042 | sv = TARG; | |
3043 | SETs(sv); | |
3044 | } | |
3045 | s = (U8*)SvPV_force(sv, slen); | |
3046 | if (*s) { | |
3047 | if (PL_op->op_private & OPpLOCALE) { | |
3048 | TAINT; | |
3049 | SvTAINTED_on(sv); | |
3050 | *s = toUPPER_LC(*s); | |
3051 | } | |
3052 | else | |
3053 | *s = toUPPER(*s); | |
bbce6d69 | 3054 | } |
bbce6d69 | 3055 | } |
31351b04 JS |
3056 | if (SvSMAGICAL(sv)) |
3057 | mg_set(sv); | |
79072805 LW |
3058 | RETURN; |
3059 | } | |
3060 | ||
3061 | PP(pp_lcfirst) | |
3062 | { | |
4e35701f | 3063 | djSP; |
79072805 | 3064 | SV *sv = TOPs; |
a0ed51b3 LW |
3065 | register U8 *s; |
3066 | STRLEN slen; | |
3067 | ||
7e2040f0 | 3068 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
ba210ebe | 3069 | STRLEN ulen; |
ad391ad9 | 3070 | U8 tmpbuf[UTF8_MAXLEN+1]; |
a0ed51b3 | 3071 | U8 *tend; |
dcad2880 | 3072 | UV uv = utf8_to_uv(s, slen, &ulen, 0); |
a0ed51b3 LW |
3073 | |
3074 | if (PL_op->op_private & OPpLOCALE) { | |
3075 | TAINT; | |
3076 | SvTAINTED_on(sv); | |
3077 | uv = toLOWER_LC_uni(uv); | |
3078 | } | |
3079 | else | |
3080 | uv = toLOWER_utf8(s); | |
3081 | ||
3082 | tend = uv_to_utf8(tmpbuf, uv); | |
3083 | ||
014822e4 | 3084 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 3085 | dTARGET; |
dfe13c55 GS |
3086 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
3087 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3088 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3089 | SETs(TARG); |
3090 | } | |
3091 | else { | |
dfe13c55 | 3092 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
3093 | Copy(tmpbuf, s, ulen, U8); |
3094 | } | |
a0ed51b3 | 3095 | } |
626727d5 | 3096 | else { |
014822e4 | 3097 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3098 | dTARGET; |
7e2040f0 | 3099 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3100 | sv_setsv(TARG, sv); |
3101 | sv = TARG; | |
3102 | SETs(sv); | |
3103 | } | |
3104 | s = (U8*)SvPV_force(sv, slen); | |
3105 | if (*s) { | |
3106 | if (PL_op->op_private & OPpLOCALE) { | |
3107 | TAINT; | |
3108 | SvTAINTED_on(sv); | |
3109 | *s = toLOWER_LC(*s); | |
3110 | } | |
3111 | else | |
3112 | *s = toLOWER(*s); | |
bbce6d69 | 3113 | } |
bbce6d69 | 3114 | } |
31351b04 JS |
3115 | if (SvSMAGICAL(sv)) |
3116 | mg_set(sv); | |
79072805 LW |
3117 | RETURN; |
3118 | } | |
3119 | ||
3120 | PP(pp_uc) | |
3121 | { | |
4e35701f | 3122 | djSP; |
79072805 | 3123 | SV *sv = TOPs; |
a0ed51b3 | 3124 | register U8 *s; |
463ee0b2 | 3125 | STRLEN len; |
79072805 | 3126 | |
7e2040f0 | 3127 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3128 | dTARGET; |
ba210ebe | 3129 | STRLEN ulen; |
a0ed51b3 LW |
3130 | register U8 *d; |
3131 | U8 *send; | |
3132 | ||
dfe13c55 | 3133 | s = (U8*)SvPV(sv,len); |
a5a20234 | 3134 | if (!len) { |
7e2040f0 | 3135 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3136 | sv_setpvn(TARG, "", 0); |
3137 | SETs(TARG); | |
a0ed51b3 LW |
3138 | } |
3139 | else { | |
31351b04 JS |
3140 | (void)SvUPGRADE(TARG, SVt_PV); |
3141 | SvGROW(TARG, (len * 2) + 1); | |
3142 | (void)SvPOK_only(TARG); | |
3143 | d = (U8*)SvPVX(TARG); | |
3144 | send = s + len; | |
3145 | if (PL_op->op_private & OPpLOCALE) { | |
3146 | TAINT; | |
3147 | SvTAINTED_on(TARG); | |
3148 | while (s < send) { | |
dcad2880 | 3149 | d = uv_to_utf8(d, toUPPER_LC_uni( utf8_to_uv(s, len, &ulen, 0))); |
31351b04 JS |
3150 | s += ulen; |
3151 | } | |
a0ed51b3 | 3152 | } |
31351b04 JS |
3153 | else { |
3154 | while (s < send) { | |
3155 | d = uv_to_utf8(d, toUPPER_utf8( s )); | |
3156 | s += UTF8SKIP(s); | |
3157 | } | |
a0ed51b3 | 3158 | } |
31351b04 | 3159 | *d = '\0'; |
7e2040f0 | 3160 | SvUTF8_on(TARG); |
31351b04 JS |
3161 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3162 | SETs(TARG); | |
a0ed51b3 | 3163 | } |
a0ed51b3 | 3164 | } |
626727d5 | 3165 | else { |
014822e4 | 3166 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3167 | dTARGET; |
7e2040f0 | 3168 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3169 | sv_setsv(TARG, sv); |
3170 | sv = TARG; | |
3171 | SETs(sv); | |
3172 | } | |
3173 | s = (U8*)SvPV_force(sv, len); | |
3174 | if (len) { | |
3175 | register U8 *send = s + len; | |
3176 | ||
3177 | if (PL_op->op_private & OPpLOCALE) { | |
3178 | TAINT; | |
3179 | SvTAINTED_on(sv); | |
3180 | for (; s < send; s++) | |
3181 | *s = toUPPER_LC(*s); | |
3182 | } | |
3183 | else { | |
3184 | for (; s < send; s++) | |
3185 | *s = toUPPER(*s); | |
3186 | } | |
bbce6d69 | 3187 | } |
79072805 | 3188 | } |
31351b04 JS |
3189 | if (SvSMAGICAL(sv)) |
3190 | mg_set(sv); | |
79072805 LW |
3191 | RETURN; |
3192 | } | |
3193 | ||
3194 | PP(pp_lc) | |
3195 | { | |
4e35701f | 3196 | djSP; |
79072805 | 3197 | SV *sv = TOPs; |
a0ed51b3 | 3198 | register U8 *s; |
463ee0b2 | 3199 | STRLEN len; |
79072805 | 3200 | |
7e2040f0 | 3201 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3202 | dTARGET; |
ba210ebe | 3203 | STRLEN ulen; |
a0ed51b3 LW |
3204 | register U8 *d; |
3205 | U8 *send; | |
3206 | ||
dfe13c55 | 3207 | s = (U8*)SvPV(sv,len); |
a5a20234 | 3208 | if (!len) { |
7e2040f0 | 3209 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3210 | sv_setpvn(TARG, "", 0); |
3211 | SETs(TARG); | |
a0ed51b3 LW |
3212 | } |
3213 | else { | |
31351b04 JS |
3214 | (void)SvUPGRADE(TARG, SVt_PV); |
3215 | SvGROW(TARG, (len * 2) + 1); | |
3216 | (void)SvPOK_only(TARG); | |
3217 | d = (U8*)SvPVX(TARG); | |
3218 | send = s + len; | |
3219 | if (PL_op->op_private & OPpLOCALE) { | |
3220 | TAINT; | |
3221 | SvTAINTED_on(TARG); | |
3222 | while (s < send) { | |
dcad2880 | 3223 | d = uv_to_utf8(d, toLOWER_LC_uni( utf8_to_uv(s, len, &ulen, 0))); |
31351b04 JS |
3224 | s += ulen; |
3225 | } | |
a0ed51b3 | 3226 | } |
31351b04 JS |
3227 | else { |
3228 | while (s < send) { | |
3229 | d = uv_to_utf8(d, toLOWER_utf8(s)); | |
3230 | s += UTF8SKIP(s); | |
3231 | } | |
a0ed51b3 | 3232 | } |
31351b04 | 3233 | *d = '\0'; |
7e2040f0 | 3234 | SvUTF8_on(TARG); |
31351b04 JS |
3235 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3236 | SETs(TARG); | |
a0ed51b3 | 3237 | } |
79072805 | 3238 | } |
626727d5 | 3239 | else { |
014822e4 | 3240 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3241 | dTARGET; |
7e2040f0 | 3242 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3243 | sv_setsv(TARG, sv); |
3244 | sv = TARG; | |
3245 | SETs(sv); | |
a0ed51b3 | 3246 | } |
bbce6d69 | 3247 | |
31351b04 JS |
3248 | s = (U8*)SvPV_force(sv, len); |
3249 | if (len) { | |
3250 | register U8 *send = s + len; | |
bbce6d69 | 3251 | |
31351b04 JS |
3252 | if (PL_op->op_private & OPpLOCALE) { |
3253 | TAINT; | |
3254 | SvTAINTED_on(sv); | |
3255 | for (; s < send; s++) | |
3256 | *s = toLOWER_LC(*s); | |
3257 | } | |
3258 | else { | |
3259 | for (; s < send; s++) | |
3260 | *s = toLOWER(*s); | |
3261 | } | |
bbce6d69 | 3262 | } |
79072805 | 3263 | } |
31351b04 JS |
3264 | if (SvSMAGICAL(sv)) |
3265 | mg_set(sv); | |
79072805 LW |
3266 | RETURN; |
3267 | } | |
3268 | ||
a0d0e21e | 3269 | PP(pp_quotemeta) |
79072805 | 3270 | { |
4e35701f | 3271 | djSP; dTARGET; |
a0d0e21e LW |
3272 | SV *sv = TOPs; |
3273 | STRLEN len; | |
3274 | register char *s = SvPV(sv,len); | |
3275 | register char *d; | |
79072805 | 3276 | |
7e2040f0 | 3277 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e LW |
3278 | if (len) { |
3279 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 3280 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 3281 | d = SvPVX(TARG); |
7e2040f0 | 3282 | if (DO_UTF8(sv)) { |
0dd2cdef LW |
3283 | while (len) { |
3284 | if (*s & 0x80) { | |
3285 | STRLEN ulen = UTF8SKIP(s); | |
3286 | if (ulen > len) | |
3287 | ulen = len; | |
3288 | len -= ulen; | |
3289 | while (ulen--) | |
3290 | *d++ = *s++; | |
3291 | } | |
3292 | else { | |
3293 | if (!isALNUM(*s)) | |
3294 | *d++ = '\\'; | |
3295 | *d++ = *s++; | |
3296 | len--; | |
3297 | } | |
3298 | } | |
7e2040f0 | 3299 | SvUTF8_on(TARG); |
0dd2cdef LW |
3300 | } |
3301 | else { | |
3302 | while (len--) { | |
3303 | if (!isALNUM(*s)) | |
3304 | *d++ = '\\'; | |
3305 | *d++ = *s++; | |
3306 | } | |
79072805 | 3307 | } |
a0d0e21e LW |
3308 | *d = '\0'; |
3309 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
3aa33fe5 | 3310 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 3311 | } |
a0d0e21e LW |
3312 | else |
3313 | sv_setpvn(TARG, s, len); | |
3314 | SETs(TARG); | |
31351b04 JS |
3315 | if (SvSMAGICAL(TARG)) |
3316 | mg_set(TARG); | |
79072805 LW |
3317 | RETURN; |
3318 | } | |
3319 | ||
a0d0e21e | 3320 | /* Arrays. */ |
79072805 | 3321 | |
a0d0e21e | 3322 | PP(pp_aslice) |
79072805 | 3323 | { |
4e35701f | 3324 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3325 | register SV** svp; |
3326 | register AV* av = (AV*)POPs; | |
533c011a | 3327 | register I32 lval = PL_op->op_flags & OPf_MOD; |
3280af22 | 3328 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 3329 | I32 elem; |
79072805 | 3330 | |
a0d0e21e | 3331 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 3332 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 3333 | I32 max = -1; |
924508f0 | 3334 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
3335 | elem = SvIVx(*svp); |
3336 | if (elem > max) | |
3337 | max = elem; | |
3338 | } | |
3339 | if (max > AvMAX(av)) | |
3340 | av_extend(av, max); | |
3341 | } | |
a0d0e21e | 3342 | while (++MARK <= SP) { |
748a9306 | 3343 | elem = SvIVx(*MARK); |
a0d0e21e | 3344 | |
748a9306 LW |
3345 | if (elem > 0) |
3346 | elem -= arybase; | |
a0d0e21e LW |
3347 | svp = av_fetch(av, elem, lval); |
3348 | if (lval) { | |
3280af22 | 3349 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 3350 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 3351 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 3352 | save_aelem(av, elem, svp); |
79072805 | 3353 | } |
3280af22 | 3354 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3355 | } |
3356 | } | |
748a9306 | 3357 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
3358 | MARK = ORIGMARK; |
3359 | *++MARK = *SP; | |
3360 | SP = MARK; | |
3361 | } | |
79072805 LW |
3362 | RETURN; |
3363 | } | |
3364 | ||
3365 | /* Associative arrays. */ | |
3366 | ||
3367 | PP(pp_each) | |
3368 | { | |
59af0135 | 3369 | djSP; |
79072805 | 3370 | HV *hash = (HV*)POPs; |
c07a80fd | 3371 | HE *entry; |
54310121 | 3372 | I32 gimme = GIMME_V; |
c750a3ec | 3373 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 3374 | |
c07a80fd | 3375 | PUTBACK; |
c750a3ec MB |
3376 | /* might clobber stack_sp */ |
3377 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 3378 | SPAGAIN; |
79072805 | 3379 | |
79072805 LW |
3380 | EXTEND(SP, 2); |
3381 | if (entry) { | |
54310121 | 3382 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
3383 | if (gimme == G_ARRAY) { | |
59af0135 | 3384 | SV *val; |
c07a80fd | 3385 | PUTBACK; |
c750a3ec | 3386 | /* might clobber stack_sp */ |
59af0135 GS |
3387 | val = realhv ? |
3388 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); | |
c07a80fd | 3389 | SPAGAIN; |
59af0135 | 3390 | PUSHs(val); |
79072805 | 3391 | } |
79072805 | 3392 | } |
54310121 | 3393 | else if (gimme == G_SCALAR) |
79072805 LW |
3394 | RETPUSHUNDEF; |
3395 | ||
3396 | RETURN; | |
3397 | } | |
3398 | ||
3399 | PP(pp_values) | |
3400 | { | |
cea2e8a9 | 3401 | return do_kv(); |
79072805 LW |
3402 | } |
3403 | ||
3404 | PP(pp_keys) | |
3405 | { | |
cea2e8a9 | 3406 | return do_kv(); |
79072805 LW |
3407 | } |
3408 | ||
3409 | PP(pp_delete) | |
3410 | { | |
4e35701f | 3411 | djSP; |
54310121 | 3412 | I32 gimme = GIMME_V; |
3413 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 3414 | SV *sv; |
5f05dabc | 3415 | HV *hv; |
3416 | ||
533c011a | 3417 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 3418 | dMARK; dORIGMARK; |
97fcbf96 | 3419 | U32 hvtype; |
5f05dabc | 3420 | hv = (HV*)POPs; |
97fcbf96 | 3421 | hvtype = SvTYPE(hv); |
01020589 GS |
3422 | if (hvtype == SVt_PVHV) { /* hash element */ |
3423 | while (++MARK <= SP) { | |
ae77835f | 3424 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
01020589 GS |
3425 | *MARK = sv ? sv : &PL_sv_undef; |
3426 | } | |
5f05dabc | 3427 | } |
01020589 GS |
3428 | else if (hvtype == SVt_PVAV) { |
3429 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ | |
3430 | while (++MARK <= SP) { | |
3431 | sv = av_delete((AV*)hv, SvIV(*MARK), discard); | |
3432 | *MARK = sv ? sv : &PL_sv_undef; | |
3433 | } | |
3434 | } | |
3435 | else { /* pseudo-hash element */ | |
3436 | while (++MARK <= SP) { | |
3437 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); | |
3438 | *MARK = sv ? sv : &PL_sv_undef; | |
3439 | } | |
3440 | } | |
3441 | } | |
3442 | else | |
3443 | DIE(aTHX_ "Not a HASH reference"); | |
54310121 | 3444 | if (discard) |
3445 | SP = ORIGMARK; | |
3446 | else if (gimme == G_SCALAR) { | |
5f05dabc | 3447 | MARK = ORIGMARK; |
3448 | *++MARK = *SP; | |
3449 | SP = MARK; | |
3450 | } | |
3451 | } | |
3452 | else { | |
3453 | SV *keysv = POPs; | |
3454 | hv = (HV*)POPs; | |
97fcbf96 MB |
3455 | if (SvTYPE(hv) == SVt_PVHV) |
3456 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
01020589 GS |
3457 | else if (SvTYPE(hv) == SVt_PVAV) { |
3458 | if (PL_op->op_flags & OPf_SPECIAL) | |
3459 | sv = av_delete((AV*)hv, SvIV(keysv), discard); | |
3460 | else | |
3461 | sv = avhv_delete_ent((AV*)hv, keysv, discard, 0); | |
3462 | } | |
97fcbf96 | 3463 | else |
cea2e8a9 | 3464 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 3465 | if (!sv) |
3280af22 | 3466 | sv = &PL_sv_undef; |
54310121 | 3467 | if (!discard) |
3468 | PUSHs(sv); | |
79072805 | 3469 | } |
79072805 LW |
3470 | RETURN; |
3471 | } | |
3472 | ||
a0d0e21e | 3473 | PP(pp_exists) |
79072805 | 3474 | { |
4e35701f | 3475 | djSP; |
afebc493 GS |
3476 | SV *tmpsv; |
3477 | HV *hv; | |
3478 | ||
3479 | if (PL_op->op_private & OPpEXISTS_SUB) { | |
3480 | GV *gv; | |
3481 | CV *cv; | |
3482 | SV *sv = POPs; | |
3483 | cv = sv_2cv(sv, &hv, &gv, FALSE); | |
3484 | if (cv) | |
3485 | RETPUSHYES; | |
3486 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) | |
3487 | RETPUSHYES; | |
3488 | RETPUSHNO; | |
3489 | } | |
3490 | tmpsv = POPs; | |
3491 | hv = (HV*)POPs; | |
c750a3ec | 3492 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 3493 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 3494 | RETPUSHYES; |
ef54e1a4 JH |
3495 | } |
3496 | else if (SvTYPE(hv) == SVt_PVAV) { | |
01020589 GS |
3497 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
3498 | if (av_exists((AV*)hv, SvIV(tmpsv))) | |
3499 | RETPUSHYES; | |
3500 | } | |
3501 | else if (avhv_exists_ent((AV*)hv, tmpsv, 0)) /* pseudo-hash element */ | |
c750a3ec | 3502 | RETPUSHYES; |
ef54e1a4 JH |
3503 | } |
3504 | else { | |
cea2e8a9 | 3505 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 3506 | } |
a0d0e21e LW |
3507 | RETPUSHNO; |
3508 | } | |
79072805 | 3509 | |
a0d0e21e LW |
3510 | PP(pp_hslice) |
3511 | { | |
4e35701f | 3512 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 3513 | register HV *hv = (HV*)POPs; |
533c011a | 3514 | register I32 lval = PL_op->op_flags & OPf_MOD; |
c750a3ec | 3515 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 3516 | |
0ebe0038 | 3517 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
cea2e8a9 | 3518 | DIE(aTHX_ "Can't localize pseudo-hash element"); |
0ebe0038 | 3519 | |
c750a3ec | 3520 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 3521 | while (++MARK <= SP) { |
f12c7020 | 3522 | SV *keysv = *MARK; |
ae77835f | 3523 | SV **svp; |
1f5346dc | 3524 | I32 preeminent = SvRMAGICAL(hv) ? 1 : hv_exists_ent(hv, keysv, 0); |
ae77835f | 3525 | if (realhv) { |
800e9ae0 | 3526 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
ae77835f | 3527 | svp = he ? &HeVAL(he) : 0; |
ef54e1a4 JH |
3528 | } |
3529 | else { | |
97fcbf96 | 3530 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 3531 | } |
a0d0e21e | 3532 | if (lval) { |
2d8e6c8d GS |
3533 | if (!svp || *svp == &PL_sv_undef) { |
3534 | STRLEN n_a; | |
cea2e8a9 | 3535 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); |
2d8e6c8d | 3536 | } |
1f5346dc SC |
3537 | if (PL_op->op_private & OPpLVAL_INTRO) { |
3538 | if (preeminent) | |
3539 | save_helem(hv, keysv, svp); | |
3540 | else { | |
3541 | STRLEN keylen; | |
3542 | char *key = SvPV(keysv, keylen); | |
3543 | save_delete(hv, key, keylen); | |
3544 | } | |
3545 | } | |
93a17b20 | 3546 | } |
3280af22 | 3547 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3548 | } |
3549 | } | |
a0d0e21e LW |
3550 | if (GIMME != G_ARRAY) { |
3551 | MARK = ORIGMARK; | |
3552 | *++MARK = *SP; | |
3553 | SP = MARK; | |
79072805 | 3554 | } |
a0d0e21e LW |
3555 | RETURN; |
3556 | } | |
3557 | ||
3558 | /* List operators. */ | |
3559 | ||
3560 | PP(pp_list) | |
3561 | { | |
4e35701f | 3562 | djSP; dMARK; |
a0d0e21e LW |
3563 | if (GIMME != G_ARRAY) { |
3564 | if (++MARK <= SP) | |
3565 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 3566 | else |
3280af22 | 3567 | *MARK = &PL_sv_undef; |
a0d0e21e | 3568 | SP = MARK; |
79072805 | 3569 | } |
a0d0e21e | 3570 | RETURN; |
79072805 LW |
3571 | } |
3572 | ||
a0d0e21e | 3573 | PP(pp_lslice) |
79072805 | 3574 | { |
4e35701f | 3575 | djSP; |
3280af22 NIS |
3576 | SV **lastrelem = PL_stack_sp; |
3577 | SV **lastlelem = PL_stack_base + POPMARK; | |
3578 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
a0d0e21e | 3579 | register SV **firstrelem = lastlelem + 1; |
3280af22 | 3580 | I32 arybase = PL_curcop->cop_arybase; |
533c011a | 3581 | I32 lval = PL_op->op_flags & OPf_MOD; |
4633a7c4 | 3582 | I32 is_something_there = lval; |
79072805 | 3583 | |
a0d0e21e LW |
3584 | register I32 max = lastrelem - lastlelem; |
3585 | register SV **lelem; | |
3586 | register I32 ix; | |
3587 | ||
3588 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
3589 | ix = SvIVx(*lastlelem); |
3590 | if (ix < 0) | |
3591 | ix += max; | |
3592 | else | |
3593 | ix -= arybase; | |
a0d0e21e | 3594 | if (ix < 0 || ix >= max) |
3280af22 | 3595 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
3596 | else |
3597 | *firstlelem = firstrelem[ix]; | |
3598 | SP = firstlelem; | |
3599 | RETURN; | |
3600 | } | |
3601 | ||
3602 | if (max == 0) { | |
3603 | SP = firstlelem - 1; | |
3604 | RETURN; | |
3605 | } | |
3606 | ||
3607 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 3608 | ix = SvIVx(*lelem); |
c73bf8e3 | 3609 | if (ix < 0) |
a0d0e21e | 3610 | ix += max; |
b13b2135 | 3611 | else |
748a9306 | 3612 | ix -= arybase; |
c73bf8e3 HS |
3613 | if (ix < 0 || ix >= max) |
3614 | *lelem = &PL_sv_undef; | |
3615 | else { | |
3616 | is_something_there = TRUE; | |
3617 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 3618 | *lelem = &PL_sv_undef; |
748a9306 | 3619 | } |
79072805 | 3620 | } |
4633a7c4 LW |
3621 | if (is_something_there) |
3622 | SP = lastlelem; | |
3623 | else | |
3624 | SP = firstlelem - 1; | |
79072805 LW |
3625 | RETURN; |
3626 | } | |
3627 | ||
a0d0e21e LW |
3628 | PP(pp_anonlist) |
3629 | { | |
4e35701f | 3630 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 3631 | I32 items = SP - MARK; |
44a8e56a | 3632 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
3633 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
3634 | XPUSHs(av); | |
a0d0e21e LW |
3635 | RETURN; |
3636 | } | |
3637 | ||
3638 | PP(pp_anonhash) | |
79072805 | 3639 | { |
4e35701f | 3640 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3641 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
3642 | ||
3643 | while (MARK < SP) { | |
3644 | SV* key = *++MARK; | |
a0d0e21e LW |
3645 | SV *val = NEWSV(46, 0); |
3646 | if (MARK < SP) | |
3647 | sv_setsv(val, *++MARK); | |
e476b1b5 GS |
3648 | else if (ckWARN(WARN_MISC)) |
3649 | Perl_warner(aTHX_ WARN_MISC, "Odd number of elements in hash assignment"); | |
f12c7020 | 3650 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 3651 | } |
a0d0e21e LW |
3652 | SP = ORIGMARK; |
3653 | XPUSHs((SV*)hv); | |
79072805 LW |
3654 | RETURN; |
3655 | } | |
3656 | ||
a0d0e21e | 3657 | PP(pp_splice) |
79072805 | 3658 | { |
4e35701f | 3659 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3660 | register AV *ary = (AV*)*++MARK; |
3661 | register SV **src; | |
3662 | register SV **dst; | |
3663 | register I32 i; | |
3664 | register I32 offset; | |
3665 | register I32 length; | |
3666 | I32 newlen; | |
3667 | I32 after; | |
3668 | I32 diff; | |
3669 | SV **tmparyval = 0; | |
93965878 NIS |
3670 | MAGIC *mg; |
3671 | ||
155aba94 | 3672 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
33c27489 | 3673 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 | 3674 | PUSHMARK(MARK); |
8ec5e241 | 3675 | PUTBACK; |
a60c0954 | 3676 | ENTER; |
864dbfa3 | 3677 | call_method("SPLICE",GIMME_V); |
a60c0954 | 3678 | LEAVE; |
93965878 NIS |
3679 | SPAGAIN; |
3680 | RETURN; | |
3681 | } | |
79072805 | 3682 | |
a0d0e21e | 3683 | SP++; |
79072805 | 3684 | |
a0d0e21e | 3685 | if (++MARK < SP) { |
84902520 | 3686 | offset = i = SvIVx(*MARK); |
a0d0e21e | 3687 | if (offset < 0) |
93965878 | 3688 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 3689 | else |
3280af22 | 3690 | offset -= PL_curcop->cop_arybase; |
84902520 | 3691 | if (offset < 0) |
cea2e8a9 | 3692 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |
3693 | if (++MARK < SP) { |
3694 | length = SvIVx(*MARK++); | |
48cdf507 GA |
3695 | if (length < 0) { |
3696 | length += AvFILLp(ary) - offset + 1; | |
3697 | if (length < 0) | |
3698 | length = 0; | |
3699 | } | |
79072805 LW |
3700 | } |
3701 | else | |
a0d0e21e | 3702 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 3703 | } |
a0d0e21e LW |
3704 | else { |
3705 | offset = 0; | |
3706 | length = AvMAX(ary) + 1; | |
3707 | } | |
93965878 NIS |
3708 | if (offset > AvFILLp(ary) + 1) |
3709 | offset = AvFILLp(ary) + 1; | |
3710 | after = AvFILLp(ary) + 1 - (offset + length); | |
a0d0e21e LW |
3711 | if (after < 0) { /* not that much array */ |
3712 | length += after; /* offset+length now in array */ | |
3713 | after = 0; | |
3714 | if (!AvALLOC(ary)) | |
3715 | av_extend(ary, 0); | |
3716 | } | |
3717 | ||
3718 | /* At this point, MARK .. SP-1 is our new LIST */ | |
3719 | ||
3720 | newlen = SP - MARK; | |
3721 | diff = newlen - length; | |
13d7cbc1 GS |
3722 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
3723 | av_reify(ary); | |
a0d0e21e LW |
3724 | |
3725 | if (diff < 0) { /* shrinking the area */ | |
3726 | if (newlen) { | |
3727 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
3728 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 3729 | } |
a0d0e21e LW |
3730 | |
3731 | MARK = ORIGMARK + 1; | |
3732 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
3733 | MEXTEND(MARK, length); | |
3734 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
3735 | if (AvREAL(ary)) { | |
bbce6d69 | 3736 | EXTEND_MORTAL(length); |
36477c24 | 3737 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 3738 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 3739 | dst++; |
3740 | } | |
a0d0e21e LW |
3741 | } |
3742 | MARK += length - 1; | |
79072805 | 3743 | } |
a0d0e21e LW |
3744 | else { |
3745 | *MARK = AvARRAY(ary)[offset+length-1]; | |
3746 | if (AvREAL(ary)) { | |
d689ffdd | 3747 | sv_2mortal(*MARK); |
a0d0e21e LW |
3748 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
3749 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 3750 | } |
a0d0e21e | 3751 | } |
93965878 | 3752 | AvFILLp(ary) += diff; |
a0d0e21e LW |
3753 | |
3754 | /* pull up or down? */ | |
3755 | ||
3756 | if (offset < after) { /* easier to pull up */ | |
3757 | if (offset) { /* esp. if nothing to pull */ | |
3758 | src = &AvARRAY(ary)[offset-1]; | |
3759 | dst = src - diff; /* diff is negative */ | |
3760 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
3761 | *dst-- = *src--; | |
79072805 | 3762 | } |
a0d0e21e LW |
3763 | dst = AvARRAY(ary); |
3764 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
3765 | AvMAX(ary) += diff; | |
3766 | } | |
3767 | else { | |
3768 | if (after) { /* anything to pull down? */ | |
3769 | src = AvARRAY(ary) + offset + length; | |
3770 | dst = src + diff; /* diff is negative */ | |
3771 | Move(src, dst, after, SV*); | |
79072805 | 3772 | } |
93965878 | 3773 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
3774 | /* avoid later double free */ |
3775 | } | |
3776 | i = -diff; | |
3777 | while (i) | |
3280af22 | 3778 | dst[--i] = &PL_sv_undef; |
a0d0e21e LW |
3779 | |
3780 | if (newlen) { | |
3781 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
3782 | newlen; newlen--) { | |
3783 | *dst = NEWSV(46, 0); | |
3784 | sv_setsv(*dst++, *src++); | |
79072805 | 3785 | } |
a0d0e21e LW |
3786 | Safefree(tmparyval); |
3787 | } | |
3788 | } | |
3789 | else { /* no, expanding (or same) */ | |
3790 | if (length) { | |
3791 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
3792 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
3793 | } | |
3794 | ||
3795 | if (diff > 0) { /* expanding */ | |
3796 | ||
3797 | /* push up or down? */ | |
3798 | ||
3799 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
3800 | if (offset) { | |
3801 | src = AvARRAY(ary); | |
3802 | dst = src - diff; | |
3803 | Move(src, dst, offset, SV*); | |
79072805 | 3804 | } |
a0d0e21e LW |
3805 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
3806 | AvMAX(ary) += diff; | |
93965878 | 3807 | AvFILLp(ary) += diff; |
79072805 LW |
3808 | } |
3809 | else { | |
93965878 NIS |
3810 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
3811 | av_extend(ary, AvFILLp(ary) + diff); | |
3812 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
3813 | |
3814 | if (after) { | |
93965878 | 3815 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
3816 | src = dst - diff; |
3817 | for (i = after; i; i--) { | |
3818 | *dst-- = *src--; | |
3819 | } | |
79072805 LW |
3820 | } |
3821 | } | |
a0d0e21e LW |
3822 | } |
3823 | ||
3824 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
3825 | *dst = NEWSV(46, 0); | |
3826 | sv_setsv(*dst++, *src++); | |
3827 | } | |
3828 | MARK = ORIGMARK + 1; | |
3829 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
3830 | if (length) { | |
3831 | Copy(tmparyval, MARK, length, SV*); | |
3832 | if (AvREAL(ary)) { | |
bbce6d69 | 3833 | EXTEND_MORTAL(length); |
36477c24 | 3834 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 3835 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 3836 | dst++; |
3837 | } | |
79072805 | 3838 | } |
a0d0e21e | 3839 | Safefree(tmparyval); |
79072805 | 3840 | } |
a0d0e21e LW |
3841 | MARK += length - 1; |
3842 | } | |
3843 | else if (length--) { | |
3844 | *MARK = tmparyval[length]; | |
3845 | if (AvREAL(ary)) { | |
d689ffdd | 3846 | sv_2mortal(*MARK); |
a0d0e21e LW |
3847 | while (length-- > 0) |
3848 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 3849 | } |
a0d0e21e | 3850 | Safefree(tmparyval); |
79072805 | 3851 | } |
a0d0e21e | 3852 | else |
3280af22 | 3853 | *MARK = &PL_sv_undef; |
79072805 | 3854 | } |
a0d0e21e | 3855 | SP = MARK; |
79072805 LW |
3856 | RETURN; |
3857 | } | |
3858 | ||
a0d0e21e | 3859 | PP(pp_push) |
79072805 | 3860 | { |
4e35701f | 3861 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 3862 | register AV *ary = (AV*)*++MARK; |
3280af22 | 3863 | register SV *sv = &PL_sv_undef; |
93965878 | 3864 | MAGIC *mg; |
79072805 | 3865 | |
155aba94 | 3866 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
33c27489 | 3867 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 NIS |
3868 | PUSHMARK(MARK); |
3869 | PUTBACK; | |
a60c0954 | 3870 | ENTER; |
864dbfa3 | 3871 | call_method("PUSH",G_SCALAR|G_DISCARD); |
a60c0954 | 3872 | LEAVE; |
93965878 | 3873 | SPAGAIN; |
93965878 | 3874 | } |
a60c0954 NIS |
3875 | else { |
3876 | /* Why no pre-extend of ary here ? */ | |
3877 | for (++MARK; MARK <= SP; MARK++) { | |
3878 | sv = NEWSV(51, 0); | |
3879 | if (*MARK) | |
3880 | sv_setsv(sv, *MARK); | |
3881 | av_push(ary, sv); | |
3882 | } | |
79072805 LW |
3883 | } |
3884 | SP = ORIGMARK; | |
a0d0e21e | 3885 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
3886 | RETURN; |
3887 | } | |
3888 | ||
a0d0e21e | 3889 | PP(pp_pop) |
79072805 | 3890 | { |
4e35701f | 3891 | djSP; |
a0d0e21e LW |
3892 | AV *av = (AV*)POPs; |
3893 | SV *sv = av_pop(av); | |
d689ffdd | 3894 | if (AvREAL(av)) |
a0d0e21e LW |
3895 | (void)sv_2mortal(sv); |
3896 | PUSHs(sv); | |
79072805 | 3897 | RETURN; |
79072805 LW |
3898 | } |
3899 | ||
a0d0e21e | 3900 | PP(pp_shift) |
79072805 | 3901 | { |
4e35701f | 3902 | djSP; |
a0d0e21e LW |
3903 | AV *av = (AV*)POPs; |
3904 | SV *sv = av_shift(av); | |
79072805 | 3905 | EXTEND(SP, 1); |
a0d0e21e | 3906 | if (!sv) |
79072805 | 3907 | RETPUSHUNDEF; |
d689ffdd | 3908 | if (AvREAL(av)) |
a0d0e21e LW |
3909 | (void)sv_2mortal(sv); |
3910 | PUSHs(sv); | |
79072805 | 3911 | RETURN; |
79072805 LW |
3912 | } |
3913 | ||
a0d0e21e | 3914 | PP(pp_unshift) |
79072805 | 3915 | { |
4e35701f | 3916 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
3917 | register AV *ary = (AV*)*++MARK; |
3918 | register SV *sv; | |
3919 | register I32 i = 0; | |
93965878 NIS |
3920 | MAGIC *mg; |
3921 | ||
155aba94 | 3922 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
33c27489 | 3923 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
7fd66d9d | 3924 | PUSHMARK(MARK); |
93965878 | 3925 | PUTBACK; |
a60c0954 | 3926 | ENTER; |
864dbfa3 | 3927 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
a60c0954 | 3928 | LEAVE; |
93965878 | 3929 | SPAGAIN; |
93965878 | 3930 | } |
a60c0954 NIS |
3931 | else { |
3932 | av_unshift(ary, SP - MARK); | |
3933 | while (MARK < SP) { | |
3934 | sv = NEWSV(27, 0); | |
3935 | sv_setsv(sv, *++MARK); | |
3936 | (void)av_store(ary, i++, sv); | |
3937 | } | |
79072805 | 3938 | } |
a0d0e21e LW |
3939 | SP = ORIGMARK; |
3940 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 3941 | RETURN; |
79072805 LW |
3942 | } |
3943 | ||
a0d0e21e | 3944 | PP(pp_reverse) |
79072805 | 3945 | { |
4e35701f | 3946 | djSP; dMARK; |
a0d0e21e LW |
3947 | register SV *tmp; |
3948 | SV **oldsp = SP; | |
79072805 | 3949 | |
a0d0e21e LW |
3950 | if (GIMME == G_ARRAY) { |
3951 | MARK++; | |
3952 | while (MARK < SP) { | |
3953 | tmp = *MARK; | |
3954 | *MARK++ = *SP; | |
3955 | *SP-- = tmp; | |
3956 | } | |
dd58a1ab | 3957 | /* safe as long as stack cannot get extended in the above */ |
a0d0e21e | 3958 | SP = oldsp; |
79072805 LW |
3959 | } |
3960 | else { | |
a0d0e21e LW |
3961 | register char *up; |
3962 | register char *down; | |
3963 | register I32 tmp; | |
3964 | dTARGET; | |
3965 | STRLEN len; | |
79072805 | 3966 | |
7e2040f0 | 3967 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 3968 | if (SP - MARK > 1) |
3280af22 | 3969 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 3970 | else |
54b9620d | 3971 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
3972 | up = SvPV_force(TARG, len); |
3973 | if (len > 1) { | |
7e2040f0 | 3974 | if (DO_UTF8(TARG)) { /* first reverse each character */ |
dfe13c55 GS |
3975 | U8* s = (U8*)SvPVX(TARG); |
3976 | U8* send = (U8*)(s + len); | |
a0ed51b3 LW |
3977 | while (s < send) { |
3978 | if (*s < 0x80) { | |
3979 | s++; | |
3980 | continue; | |
3981 | } | |
3982 | else { | |
dfe13c55 | 3983 | up = (char*)s; |
a0ed51b3 | 3984 | s += UTF8SKIP(s); |
dfe13c55 | 3985 | down = (char*)(s - 1); |
f248d071 GS |
3986 | if (s > send || !((*down & 0xc0) == 0x80)) { |
3987 | if (ckWARN_d(WARN_UTF8)) | |
3988 | Perl_warner(aTHX_ WARN_UTF8, | |
3989 | "Malformed UTF-8 character"); | |
a0ed51b3 LW |
3990 | break; |
3991 | } | |
3992 | while (down > up) { | |
3993 | tmp = *up; | |
3994 | *up++ = *down; | |
3995 | *down-- = tmp; | |
3996 | } | |
3997 | } | |
3998 | } | |
3999 | up = SvPVX(TARG); | |
4000 | } | |
a0d0e21e LW |
4001 | down = SvPVX(TARG) + len - 1; |
4002 | while (down > up) { | |
4003 | tmp = *up; | |
4004 | *up++ = *down; | |
4005 | *down-- = tmp; | |
4006 | } | |
3aa33fe5 | 4007 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 4008 | } |
a0d0e21e LW |
4009 | SP = MARK + 1; |
4010 | SETTARG; | |
79072805 | 4011 | } |
a0d0e21e | 4012 | RETURN; |
79072805 LW |
4013 | } |
4014 | ||
864dbfa3 | 4015 | STATIC SV * |
cea2e8a9 | 4016 | S_mul128(pTHX_ SV *sv, U8 m) |
55497cff | 4017 | { |
4018 | STRLEN len; | |
4019 | char *s = SvPV(sv, len); | |
4020 | char *t; | |
4021 | U32 i = 0; | |
4022 | ||
4023 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ | |
79cb57f6 | 4024 | SV *tmpNew = newSVpvn("0000000000", 10); |
55497cff | 4025 | |
09b7f37c | 4026 | sv_catsv(tmpNew, sv); |
55497cff | 4027 | SvREFCNT_dec(sv); /* free old sv */ |
09b7f37c | 4028 | sv = tmpNew; |
55497cff | 4029 | s = SvPV(sv, len); |
4030 | } | |
4031 | t = s + len - 1; | |
4032 | while (!*t) /* trailing '\0'? */ | |
4033 | t--; | |
4034 | while (t > s) { | |
4035 | i = ((*t - '0') << 7) + m; | |
4036 | *(t--) = '0' + (i % 10); | |
4037 | m = i / 10; | |
4038 | } | |
4039 | return (sv); | |
4040 | } | |
4041 | ||
a0d0e21e LW |
4042 | /* Explosives and implosives. */ |
4043 | ||
9d116dd7 JH |
4044 | #if 'I' == 73 && 'J' == 74 |
4045 | /* On an ASCII/ISO kind of system */ | |
ba1ac976 | 4046 | #define ISUUCHAR(ch) ((ch) >= ' ' && (ch) < 'a') |
9d116dd7 JH |
4047 | #else |
4048 | /* | |
4049 | Some other sort of character set - use memchr() so we don't match | |
4050 | the null byte. | |
4051 | */ | |
80252599 | 4052 | #define ISUUCHAR(ch) (memchr(PL_uuemap, (ch), sizeof(PL_uuemap)-1) || (ch) == ' ') |
9d116dd7 JH |
4053 | #endif |
4054 | ||
a0d0e21e | 4055 | PP(pp_unpack) |
79072805 | 4056 | { |
4e35701f | 4057 | djSP; |
a0d0e21e | 4058 | dPOPPOPssrl; |
dd58a1ab | 4059 | I32 start_sp_offset = SP - PL_stack_base; |
54310121 | 4060 | I32 gimme = GIMME_V; |
ed6116ce | 4061 | SV *sv; |
a0d0e21e LW |
4062 | STRLEN llen; |
4063 | STRLEN rlen; | |
4064 | register char *pat = SvPV(left, llen); | |
4065 | register char *s = SvPV(right, rlen); | |
4066 | char *strend = s + rlen; | |
4067 | char *strbeg = s; | |
4068 | register char *patend = pat + llen; | |
4069 | I32 datumtype; | |
4070 | register I32 len; | |
4071 | register I32 bits; | |
abdc5761 | 4072 | register char *str; |
79072805 | 4073 | |
a0d0e21e | 4074 | /* These must not be in registers: */ |
43ea6eee | 4075 | short ashort; |
a0d0e21e | 4076 | int aint; |
43ea6eee | 4077 | long along; |
6b8eaf93 | 4078 | #ifdef HAS_QUAD |
ecfc5424 | 4079 | Quad_t aquad; |
a0d0e21e LW |
4080 | #endif |
4081 | U16 aushort; | |
4082 | unsigned int auint; | |
4083 | U32 aulong; | |
6b8eaf93 | 4084 | #ifdef HAS_QUAD |
e862df63 | 4085 | Uquad_t auquad; |
a0d0e21e LW |
4086 | #endif |
4087 | char *aptr; | |
4088 | float afloat; | |
4089 | double adouble; | |
4090 | I32 checksum = 0; | |
4091 | register U32 culong; | |
65202027 | 4092 | NV cdouble; |
fb73857a | 4093 | int commas = 0; |
4b5b2118 | 4094 | int star; |
726ea183 | 4095 | #ifdef PERL_NATINT_PACK |
ef54e1a4 JH |
4096 | int natint; /* native integer */ |
4097 | int unatint; /* unsigned native integer */ | |
726ea183 | 4098 | #endif |
79072805 | 4099 | |
54310121 | 4100 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
a0d0e21e LW |
4101 | /*SUPPRESS 530*/ |
4102 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
5a929a98 | 4103 | if (strchr("aAZbBhHP", *patend) || *pat == '%') { |
a0d0e21e LW |
4104 | patend++; |
4105 | while (isDIGIT(*patend) || *patend == '*') | |
4106 | patend++; | |
4107 | } | |
4108 | else | |
4109 | patend++; | |
79072805 | 4110 | } |
a0d0e21e LW |
4111 | while (pat < patend) { |
4112 | reparse: | |
bbdab043 | 4113 | datumtype = *pat++ & 0xFF; |
726ea183 | 4114 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 4115 | natint = 0; |
726ea183 | 4116 | #endif |
bbdab043 CS |
4117 | if (isSPACE(datumtype)) |
4118 | continue; | |
17f4a12d IZ |
4119 | if (datumtype == '#') { |
4120 | while (pat < patend && *pat != '\n') | |
4121 | pat++; | |
4122 | continue; | |
4123 | } | |
f61d411c | 4124 | if (*pat == '!') { |
ef54e1a4 JH |
4125 | char *natstr = "sSiIlL"; |
4126 | ||
4127 | if (strchr(natstr, datumtype)) { | |
726ea183 | 4128 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 4129 | natint = 1; |
726ea183 | 4130 | #endif |
ef54e1a4 JH |
4131 | pat++; |
4132 | } | |
4133 | else | |
d470f89e | 4134 | DIE(aTHX_ "'!' allowed only after types %s", natstr); |
ef54e1a4 | 4135 | } |
4b5b2118 | 4136 | star = 0; |
a0d0e21e LW |
4137 | if (pat >= patend) |
4138 | len = 1; | |
4139 | else if (*pat == '*') { | |
4140 | len = strend - strbeg; /* long enough */ | |
4141 | pat++; | |
4b5b2118 | 4142 | star = 1; |
a0d0e21e LW |
4143 | } |
4144 | else if (isDIGIT(*pat)) { | |
4145 | len = *pat++ - '0'; | |
06387354 | 4146 | while (isDIGIT(*pat)) { |
a0d0e21e | 4147 | len = (len * 10) + (*pat++ - '0'); |
06387354 | 4148 | if (len < 0) |
d470f89e | 4149 | DIE(aTHX_ "Repeat count in unpack overflows"); |
06387354 | 4150 | } |
a0d0e21e LW |
4151 | } |
4152 | else | |
4153 | len = (datumtype != '@'); | |
4b5b2118 | 4154 | redo_switch: |
a0d0e21e LW |
4155 | switch(datumtype) { |
4156 | default: | |
d470f89e | 4157 | DIE(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 4158 | case ',': /* grandfather in commas but with a warning */ |
e476b1b5 GS |
4159 | if (commas++ == 0 && ckWARN(WARN_UNPACK)) |
4160 | Perl_warner(aTHX_ WARN_UNPACK, | |
d470f89e | 4161 | "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 4162 | break; |
a0d0e21e LW |
4163 | case '%': |
4164 | if (len == 1 && pat[-1] != '1') | |
4165 | len = 16; | |
4166 | checksum = len; | |
4167 | culong = 0; | |
4168 | cdouble = 0; | |
4169 | if (pat < patend) | |
4170 | goto reparse; | |
4171 | break; | |
4172 | case '@': | |
4173 | if (len > strend - strbeg) | |
cea2e8a9 | 4174 | DIE(aTHX_ "@ outside of string"); |
a0d0e21e LW |
4175 | s = strbeg + len; |
4176 | break; | |
4177 | case 'X': | |
4178 | if (len > s - strbeg) | |
cea2e8a9 | 4179 | DIE(aTHX_ "X outside of string"); |
a0d0e21e LW |
4180 | s -= len; |
4181 | break; | |
4182 | case 'x': | |
4183 | if (len > strend - s) | |
cea2e8a9 | 4184 | DIE(aTHX_ "x outside of string"); |
a0d0e21e LW |
4185 | s += len; |
4186 | break; | |
17f4a12d | 4187 | case '/': |
dd58a1ab | 4188 | if (start_sp_offset >= SP - PL_stack_base) |
17f4a12d | 4189 | DIE(aTHX_ "/ must follow a numeric type"); |
43192e07 IP |
4190 | datumtype = *pat++; |
4191 | if (*pat == '*') | |
4192 | pat++; /* ignore '*' for compatibility with pack */ | |
4193 | if (isDIGIT(*pat)) | |
17f4a12d | 4194 | DIE(aTHX_ "/ cannot take a count" ); |
43192e07 | 4195 | len = POPi; |
4b5b2118 GS |
4196 | star = 0; |
4197 | goto redo_switch; | |
a0d0e21e | 4198 | case 'A': |
5a929a98 | 4199 | case 'Z': |
a0d0e21e LW |
4200 | case 'a': |
4201 | if (len > strend - s) | |
4202 | len = strend - s; | |
4203 | if (checksum) | |
4204 | goto uchar_checksum; | |
4205 | sv = NEWSV(35, len); | |
4206 | sv_setpvn(sv, s, len); | |
4207 | s += len; | |
5a929a98 | 4208 | if (datumtype == 'A' || datumtype == 'Z') { |
a0d0e21e | 4209 | aptr = s; /* borrow register */ |
5a929a98 VU |
4210 | if (datumtype == 'Z') { /* 'Z' strips stuff after first null */ |
4211 | s = SvPVX(sv); | |
4212 | while (*s) | |
4213 | s++; | |
4214 | } | |
4215 | else { /* 'A' strips both nulls and spaces */ | |
4216 | s = SvPVX(sv) + len - 1; | |
4217 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) | |
4218 | s--; | |
4219 | *++s = '\0'; | |
4220 | } | |
a0d0e21e LW |
4221 | SvCUR_set(sv, s - SvPVX(sv)); |
4222 | s = aptr; /* unborrow register */ | |
4223 | } | |
4224 | XPUSHs(sv_2mortal(sv)); | |
4225 | break; | |
4226 | case 'B': | |
4227 | case 'b': | |
4b5b2118 | 4228 | if (star || len > (strend - s) * 8) |
a0d0e21e LW |
4229 | len = (strend - s) * 8; |
4230 | if (checksum) { | |
80252599 GS |
4231 | if (!PL_bitcount) { |
4232 | Newz(601, PL_bitcount, 256, char); | |
a0d0e21e | 4233 | for (bits = 1; bits < 256; bits++) { |
80252599 GS |
4234 | if (bits & 1) PL_bitcount[bits]++; |
4235 | if (bits & 2) PL_bitcount[bits]++; | |
4236 | if (bits & 4) PL_bitcount[bits]++; | |
4237 | if (bits & 8) PL_bitcount[bits]++; | |
4238 | if (bits & 16) PL_bitcount[bits]++; | |
4239 | if (bits & 32) PL_bitcount[bits]++; | |
4240 | if (bits & 64) PL_bitcount[bits]++; | |
4241 | if (bits & 128) PL_bitcount[bits]++; | |
a0d0e21e LW |
4242 | } |
4243 | } | |
4244 | while (len >= 8) { | |
80252599 | 4245 | culong += PL_bitcount[*(unsigned char*)s++]; |
a0d0e21e LW |
4246 | len -= 8; |
4247 | } | |
4248 | if (len) { | |
4249 | bits = *s; | |
4250 | if (datumtype == 'b') { | |
4251 | while (len-- > 0) { | |
4252 | if (bits & 1) culong++; | |
4253 | bits >>= 1; | |
4254 | } | |
4255 | } | |
4256 | else { | |
4257 | while (len-- > 0) { | |
4258 | if (bits & 128) culong++; | |
4259 | bits <<= 1; | |
4260 | } | |
4261 | } | |
4262 | } | |
79072805 LW |
4263 | break; |
4264 | } | |
a0d0e21e LW |
4265 | sv = NEWSV(35, len + 1); |
4266 | SvCUR_set(sv, len); | |
4267 | SvPOK_on(sv); | |
abdc5761 | 4268 | str = SvPVX(sv); |
a0d0e21e LW |
4269 | if (datumtype == 'b') { |
4270 | aint = len; | |
4271 | for (len = 0; len < aint; len++) { | |
4272 | if (len & 7) /*SUPPRESS 595*/ | |
4273 | bits >>= 1; | |
4274 | else | |
4275 | bits = *s++; | |
abdc5761 | 4276 | *str++ = '0' + (bits & 1); |
a0d0e21e LW |
4277 | } |
4278 | } | |
4279 | else { | |
4280 | aint = len; | |
4281 | for (len = 0; len < aint; len++) { | |
4282 | if (len & 7) | |
4283 | bits <<= 1; | |
4284 | else | |
4285 | bits = *s++; | |
abdc5761 | 4286 | *str++ = '0' + ((bits & 128) != 0); |
a0d0e21e LW |
4287 | } |
4288 | } | |
abdc5761 | 4289 | *str = '\0'; |
a0d0e21e LW |
4290 | XPUSHs(sv_2mortal(sv)); |
4291 | break; | |
4292 | case 'H': | |
4293 | case 'h': | |
4b5b2118 | 4294 | if (star || len > (strend - s) * 2) |
a0d0e21e LW |
4295 | len = (strend - s) * 2; |
4296 | sv = NEWSV(35, len + 1); | |
4297 | SvCUR_set(sv, len); | |
4298 | SvPOK_on(sv); | |
abdc5761 | 4299 | str = SvPVX(sv); |
a0d0e21e LW |
4300 | if (datumtype == 'h') { |
4301 | aint = len; | |
4302 | for (len = 0; len < aint; len++) { | |
4303 | if (len & 1) | |
4304 | bits >>= 4; | |
4305 | else | |
4306 | bits = *s++; | |
abdc5761 | 4307 | *str++ = PL_hexdigit[bits & 15]; |
a0d0e21e LW |
4308 | } |
4309 | } | |
4310 | else { | |
4311 | aint = len; | |
4312 | for (len = 0; len < aint; len++) { | |
4313 | if (len & 1) | |
4314 | bits <<= 4; | |
4315 | else | |
4316 | bits = *s++; | |
abdc5761 | 4317 | *str++ = PL_hexdigit[(bits >> 4) & 15]; |
a0d0e21e LW |
4318 | } |
4319 | } | |
abdc5761 | 4320 | *str = '\0'; |
a0d0e21e LW |
4321 | XPUSHs(sv_2mortal(sv)); |
4322 | break; | |
4323 | case 'c': | |
4324 | if (len > strend - s) | |
4325 | len = strend - s; | |
4326 | if (checksum) { | |
4327 | while (len-- > 0) { | |
4328 | aint = *s++; | |
4329 | if (aint >= 128) /* fake up signed chars */ | |
4330 | aint -= 256; | |
4331 | culong += aint; | |
4332 | } | |
4333 | } | |
4334 | else { | |
4335 | EXTEND(SP, len); | |
bbce6d69 | 4336 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4337 | while (len-- > 0) { |
4338 | aint = *s++; | |
4339 | if (aint >= 128) /* fake up signed chars */ | |
4340 | aint -= 256; | |
4341 | sv = NEWSV(36, 0); | |
1e422769 | 4342 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
4343 | PUSHs(sv_2mortal(sv)); |
4344 | } | |
4345 | } | |
4346 | break; | |
4347 | case 'C': | |
4348 | if (len > strend - s) | |
4349 | len = strend - s; | |
4350 | if (checksum) { | |
4351 | uchar_checksum: | |
4352 | while (len-- > 0) { | |
4353 | auint = *s++ & 255; | |
4354 | culong += auint; | |
4355 | } | |
4356 | } | |
4357 | else { | |
4358 | EXTEND(SP, len); | |
bbce6d69 | 4359 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4360 | while (len-- > 0) { |
4361 | auint = *s++ & 255; | |
4362 | sv = NEWSV(37, 0); | |
1e422769 | 4363 | sv_setiv(sv, (IV)auint); |
a0d0e21e LW |
4364 | PUSHs(sv_2mortal(sv)); |
4365 | } | |
4366 | } | |
4367 | break; | |
a0ed51b3 LW |
4368 | case 'U': |
4369 | if (len > strend - s) | |
4370 | len = strend - s; | |
4371 | if (checksum) { | |
4372 | while (len-- > 0 && s < strend) { | |
43ea6eee | 4373 | STRLEN alen; |
dcad2880 | 4374 | auint = utf8_to_uv((U8*)s, strend - s, &alen, 0); |
43ea6eee | 4375 | along = alen; |
a0ed51b3 | 4376 | s += along; |
32d8b6e5 | 4377 | if (checksum > 32) |
65202027 | 4378 | cdouble += (NV)auint; |
32d8b6e5 GA |
4379 | else |
4380 | culong += auint; | |
a0ed51b3 LW |
4381 | } |
4382 | } | |
4383 | else { | |
4384 | EXTEND(SP, len); | |
4385 | EXTEND_MORTAL(len); | |
4386 | while (len-- > 0 && s < strend) { | |
43ea6eee | 4387 | STRLEN alen; |
dcad2880 | 4388 | auint = utf8_to_uv((U8*)s, strend - s, &alen, 0); |
43ea6eee | 4389 | along = alen; |
a0ed51b3 LW |
4390 | s += along; |
4391 | sv = NEWSV(37, 0); | |
bdeef251 | 4392 | sv_setuv(sv, (UV)auint); |
a0ed51b3 LW |
4393 | PUSHs(sv_2mortal(sv)); |
4394 | } | |
4395 | } | |
4396 | break; | |
a0d0e21e | 4397 | case 's': |
726ea183 JH |
4398 | #if SHORTSIZE == SIZE16 |
4399 | along = (strend - s) / SIZE16; | |
4400 | #else | |
ef54e1a4 | 4401 | along = (strend - s) / (natint ? sizeof(short) : SIZE16); |
726ea183 | 4402 | #endif |
a0d0e21e LW |
4403 | if (len > along) |
4404 | len = along; | |
4405 | if (checksum) { | |
726ea183 | 4406 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 4407 | if (natint) { |
bf9315bb | 4408 | short ashort; |
ef54e1a4 JH |
4409 | while (len-- > 0) { |
4410 | COPYNN(s, &ashort, sizeof(short)); | |
4411 | s += sizeof(short); | |
4412 | culong += ashort; | |
4413 | ||
4414 | } | |
4415 | } | |
726ea183 JH |
4416 | else |
4417 | #endif | |
4418 | { | |
ef54e1a4 JH |
4419 | while (len-- > 0) { |
4420 | COPY16(s, &ashort); | |
c67712b2 JH |
4421 | #if SHORTSIZE > SIZE16 |
4422 | if (ashort > 32767) | |
4423 | ashort -= 65536; | |
4424 | #endif | |
ef54e1a4 JH |
4425 | s += SIZE16; |
4426 | culong += ashort; | |
4427 | } | |
a0d0e21e LW |
4428 | } |
4429 | } | |
4430 | else { | |
4431 | EXTEND(SP, len); | |
bbce6d69 | 4432 | EXTEND_MORTAL(len); |
726ea183 | 4433 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 4434 | if (natint) { |
bf9315bb | 4435 | short ashort; |
ef54e1a4 JH |
4436 | while (len-- > 0) { |
4437 | COPYNN(s, &ashort, sizeof(short)); | |
4438 | s += sizeof(short); | |
4439 | sv = NEWSV(38, 0); | |
4440 | sv_setiv(sv, (IV)ashort); | |
4441 | PUSHs(sv_2mortal(sv)); | |
4442 | } | |
4443 | } | |
726ea183 JH |
4444 | else |
4445 | #endif | |
4446 | { | |
ef54e1a4 JH |
4447 | while (len-- > 0) { |
4448 | COPY16(s, &ashort); | |
c67712b2 JH |
4449 | #if SHORTSIZE > SIZE16 |
4450 | if (ashort > 32767) | |
4451 | ashort -= 65536; | |
4452 | #endif | |
ef54e1a4 JH |
4453 | s += SIZE16; |
4454 | sv = NEWSV(38, 0); | |
4455 | sv_setiv(sv, (IV)ashort); | |
4456 | PUSHs(sv_2mortal(sv)); | |
4457 | } | |
a0d0e21e LW |
4458 | } |
4459 | } | |
4460 | break; | |
4461 | case 'v': | |
4462 | case 'n': | |
4463 | case 'S': | |
726ea183 JH |
4464 | #if SHORTSIZE == SIZE16 |
4465 | along = (strend - s) / SIZE16; | |
4466 | #else | |
ef54e1a4 JH |
4467 | unatint = natint && datumtype == 'S'; |
4468 | along = (strend - s) / (unatint ? sizeof(unsigned short) : SIZE16); | |
726ea183 | 4469 | #endif |
a0d0e21e LW |
4470 | if (len > along) |
4471 | len = along; | |
4472 | if (checksum) { | |
726ea183 | 4473 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 4474 | if (unatint) { |
bf9315bb | 4475 | unsigned short aushort; |
ef54e1a4 JH |
4476 | while (len-- > 0) { |
4477 | COPYNN(s, &aushort, sizeof(unsigned short)); | |
4478 | s += sizeof(unsigned short); | |
4479 | culong += aushort; | |
4480 | } | |
4481 | } | |
726ea183 JH |
4482 | else |
4483 | #endif | |
4484 | { | |
ef54e1a4 JH |
4485 | while (len-- > 0) { |
4486 | COPY16(s, &aushort); | |
4487 | s += SIZE16; | |
a0d0e21e | 4488 | #ifdef HAS_NTOHS |
ef54e1a4 JH |
4489 | if (datumtype == 'n') |
4490 | aushort = PerlSock_ntohs(aushort); | |
79072805 | 4491 | #endif |
a0d0e21e | 4492 | #ifdef HAS_VTOHS |
ef54e1a4 JH |
4493 | if (datumtype == 'v') |
4494 | aushort = vtohs(aushort); | |
79072805 | 4495 | #endif |
ef54e1a4 JH |
4496 | culong += aushort; |
4497 | } | |
a0d0e21e LW |
4498 | } |
4499 | } | |
4500 | else { | |
4501 | EXTEND(SP, len); | |
bbce6d69 | 4502 | EXTEND_MORTAL(len); |
726ea183 | 4503 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 4504 | if (unatint) { |
bf9315bb | 4505 | unsigned short aushort; |
ef54e1a4 JH |
4506 | while (len-- > 0) { |
4507 | COPYNN(s, &aushort, sizeof(unsigned short)); | |
4508 | s += sizeof(unsigned short); | |
4509 | sv = NEWSV(39, 0); | |
726ea183 | 4510 | sv_setiv(sv, (UV)aushort); |
ef54e1a4 JH |
4511 | PUSHs(sv_2mortal(sv)); |
4512 | } | |
4513 | } | |
726ea183 JH |
4514 | else |
4515 | #endif | |
4516 | { | |
ef54e1a4 JH |
4517 | while (len-- > 0) { |
4518 | COPY16(s, &aushort); | |
4519 | s += SIZE16; | |
4520 | sv = NEWSV(39, 0); | |
a0d0e21e | 4521 | #ifdef HAS_NTOHS |
ef54e1a4 JH |
4522 | if (datumtype == 'n') |
4523 | aushort = PerlSock_ntohs(aushort); | |
79072805 | 4524 | #endif |
a0d0e21e | 4525 | #ifdef HAS_VTOHS |
ef54e1a4 JH |
4526 | if (datumtype == 'v') |
4527 | aushort = vtohs(aushort); | |
79072805 | 4528 | #endif |
726ea183 | 4529 | sv_setiv(sv, (UV)aushort); |
ef54e1a4 JH |
4530 | PUSHs(sv_2mortal(sv)); |
4531 | } | |
a0d0e21e LW |
4532 | } |
4533 | } | |
4534 | break; | |
4535 | case 'i': | |
4536 | along = (strend - s) / sizeof(int); | |
4537 | if (len > along) | |
4538 | len = along; | |
4539 | if (checksum) { | |
4540 | while (len-- > 0) { | |
4541 | Copy(s, &aint, 1, int); | |
4542 | s += sizeof(int); | |
4543 | if (checksum > 32) | |
65202027 | 4544 | cdouble += (NV)aint; |
a0d0e21e LW |
4545 | else |
4546 | culong += aint; | |
4547 | } | |
4548 | } | |
4549 | else { | |
4550 | EXTEND(SP, len); | |
bbce6d69 | 4551 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4552 | while (len-- > 0) { |
4553 | Copy(s, &aint, 1, int); | |
4554 | s += sizeof(int); | |
4555 | sv = NEWSV(40, 0); | |
20408e3c GS |
4556 | #ifdef __osf__ |
4557 | /* Without the dummy below unpack("i", pack("i",-1)) | |
4558 | * return 0xFFffFFff instead of -1 for Digital Unix V4.0 | |
13476c87 JH |
4559 | * cc with optimization turned on. |
4560 | * | |
4561 | * The bug was detected in | |
4562 | * DEC C V5.8-009 on Digital UNIX V4.0 (Rev. 1091) (V4.0E) | |
4563 | * with optimization (-O4) turned on. | |
4564 | * DEC C V5.2-040 on Digital UNIX V4.0 (Rev. 564) (V4.0B) | |
4565 | * does not have this problem even with -O4. | |
4566 | * | |
4567 | * This bug was reported as DECC_BUGS 1431 | |
4568 | * and tracked internally as GEM_BUGS 7775. | |
4569 | * | |
4570 | * The bug is fixed in | |
4571 | * Tru64 UNIX V5.0: Compaq C V6.1-006 or later | |
4572 | * UNIX V4.0F support: DEC C V5.9-006 or later | |
4573 | * UNIX V4.0E support: DEC C V5.8-011 or later | |
4574 | * and also in DTK. | |
4575 | * | |
4576 | * See also few lines later for the same bug. | |
4577 | */ | |
20408e3c GS |
4578 | (aint) ? |
4579 | sv_setiv(sv, (IV)aint) : | |
4580 | #endif | |
1e422769 | 4581 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
4582 | PUSHs(sv_2mortal(sv)); |
4583 | } | |
4584 | } | |
4585 | break; | |
4586 | case 'I': | |
4587 | along = (strend - s) / sizeof(unsigned int); | |
4588 | if (len > along) | |
4589 | len = along; | |
4590 | if (checksum) { | |
4591 | while (len-- > 0) { | |
4592 | Copy(s, &auint, 1, unsigned int); | |
4593 | s += sizeof(unsigned int); | |
4594 | if (checksum > 32) | |
65202027 | 4595 | cdouble += (NV)auint; |
a0d0e21e LW |
4596 | else |
4597 | culong += auint; | |
4598 | } | |
4599 | } | |
4600 | else { | |
4601 | EXTEND(SP, len); | |
bbce6d69 | 4602 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4603 | while (len-- > 0) { |
4604 | Copy(s, &auint, 1, unsigned int); | |
4605 | s += sizeof(unsigned int); | |
4606 | sv = NEWSV(41, 0); | |
9d645a59 AB |
4607 | #ifdef __osf__ |
4608 | /* Without the dummy below unpack("I", pack("I",0xFFFFFFFF)) | |
13476c87 JH |
4609 | * returns 1.84467440737096e+19 instead of 0xFFFFFFFF. |
4610 | * See details few lines earlier. */ | |
9d645a59 AB |
4611 | (auint) ? |
4612 | sv_setuv(sv, (UV)auint) : | |
4613 | #endif | |
1e422769 | 4614 | sv_setuv(sv, (UV)auint); |
a0d0e21e LW |
4615 | PUSHs(sv_2mortal(sv)); |
4616 | } | |
4617 | } | |
4618 | break; | |
4619 | case 'l': | |
726ea183 JH |
4620 | #if LONGSIZE == SIZE32 |
4621 | along = (strend - s) / SIZE32; | |
4622 | #else | |
ef54e1a4 | 4623 | along = (strend - s) / (natint ? sizeof(long) : SIZE32); |
726ea183 | 4624 | #endif |
a0d0e21e LW |
4625 | if (len > along) |
4626 | len = along; | |
4627 | if (checksum) { | |
726ea183 | 4628 | #if LONGSIZE != SIZE32 |
ef54e1a4 JH |
4629 | if (natint) { |
4630 | while (len-- > 0) { | |
4631 | COPYNN(s, &along, sizeof(long)); | |
4632 | s += sizeof(long); | |
4633 | if (checksum > 32) | |
65202027 | 4634 | cdouble += (NV)along; |
ef54e1a4 JH |
4635 | else |
4636 | culong += along; | |
4637 | } | |
4638 | } | |
726ea183 JH |
4639 | else |
4640 | #endif | |
4641 | { | |
ef54e1a4 | 4642 | while (len-- > 0) { |
2f3a5373 JH |
4643 | #if LONGSIZE > SIZE32 && INTSIZE == SIZE32 |
4644 | I32 along; | |
4645 | #endif | |
ef54e1a4 | 4646 | COPY32(s, &along); |
c67712b2 JH |
4647 | #if LONGSIZE > SIZE32 |
4648 | if (along > 2147483647) | |
4649 | along -= 4294967296; | |
4650 | #endif | |
ef54e1a4 JH |
4651 | s += SIZE32; |
4652 | if (checksum > 32) | |
65202027 | 4653 | cdouble += (NV)along; |
ef54e1a4 JH |
4654 | else |
4655 | culong += along; | |
4656 | } | |
a0d0e21e LW |
4657 | } |
4658 | } | |
4659 | else { | |
4660 | EXTEND(SP, len); | |
bbce6d69 | 4661 | EXTEND_MORTAL(len); |
726ea183 | 4662 | #if LONGSIZE != SIZE32 |
ef54e1a4 JH |
4663 | if (natint) { |
4664 | while (len-- > 0) { | |
4665 | COPYNN(s, &along, sizeof(long)); | |
4666 | s += sizeof(long); | |
4667 | sv = NEWSV(42, 0); | |
4668 | sv_setiv(sv, (IV)along); | |
4669 | PUSHs(sv_2mortal(sv)); | |
4670 | } | |
4671 | } | |
726ea183 JH |
4672 | else |
4673 | #endif | |
4674 | { | |
ef54e1a4 | 4675 | while (len-- > 0) { |
2f3a5373 JH |
4676 | #if LONGSIZE > SIZE32 && INTSIZE == SIZE32 |
4677 | I32 along; | |
4678 | #endif | |
ef54e1a4 | 4679 | COPY32(s, &along); |
c67712b2 JH |
4680 | #if LONGSIZE > SIZE32 |
4681 | if (along > 2147483647) | |
4682 | along -= 4294967296; | |
4683 | #endif | |
ef54e1a4 JH |
4684 | s += SIZE32; |
4685 | sv = NEWSV(42, 0); | |
4686 | sv_setiv(sv, (IV)along); | |
4687 | PUSHs(sv_2mortal(sv)); | |
4688 | } | |
a0d0e21e | 4689 | } |
79072805 | 4690 | } |
a0d0e21e LW |
4691 | break; |
4692 | case 'V': | |
4693 | case 'N': | |
4694 | case 'L': | |
726ea183 JH |
4695 | #if LONGSIZE == SIZE32 |
4696 | along = (strend - s) / SIZE32; | |
4697 | #else | |
4698 | unatint = natint && datumtype == 'L'; | |
ef54e1a4 | 4699 | along = (strend - s) / (unatint ? sizeof(unsigned long) : SIZE32); |
726ea183 | 4700 | #endif |
a0d0e21e LW |
4701 | if (len > along) |
4702 | len = along; | |
4703 | if (checksum) { | |
726ea183 | 4704 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 4705 | if (unatint) { |
bf9315bb | 4706 | unsigned long aulong; |
ef54e1a4 JH |
4707 | while (len-- > 0) { |
4708 | COPYNN(s, &aulong, sizeof(unsigned long)); | |
4709 | s += sizeof(unsigned long); | |
4710 | if (checksum > 32) | |
65202027 | 4711 | cdouble += (NV)aulong; |
ef54e1a4 JH |
4712 | else |
4713 | culong += aulong; | |
4714 | } | |
4715 | } | |
726ea183 JH |
4716 | else |
4717 | #endif | |
4718 | { | |
ef54e1a4 JH |
4719 | while (len-- > 0) { |
4720 | COPY32(s, &aulong); | |
4721 | s += SIZE32; | |
a0d0e21e | 4722 | #ifdef HAS_NTOHL |
ef54e1a4 JH |
4723 | if (datumtype == 'N') |
4724 | aulong = PerlSock_ntohl(aulong); | |
79072805 | 4725 | #endif |
a0d0e21e | 4726 | #ifdef HAS_VTOHL |
ef54e1a4 JH |
4727 | if (datumtype == 'V') |
4728 | aulong = vtohl(aulong); | |
79072805 | 4729 | #endif |
ef54e1a4 | 4730 | if (checksum > 32) |
65202027 | 4731 | cdouble += (NV)aulong; |
ef54e1a4 JH |
4732 | else |
4733 | culong += aulong; | |
4734 | } | |
a0d0e21e LW |
4735 | } |
4736 | } | |
4737 | else { | |
4738 | EXTEND(SP, len); | |
bbce6d69 | 4739 | EXTEND_MORTAL(len); |
726ea183 | 4740 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 4741 | if (unatint) { |
bf9315bb | 4742 | unsigned long aulong; |
ef54e1a4 JH |
4743 | while (len-- > 0) { |
4744 | COPYNN(s, &aulong, sizeof(unsigned long)); | |
4745 | s += sizeof(unsigned long); | |
4746 | sv = NEWSV(43, 0); | |
4747 | sv_setuv(sv, (UV)aulong); | |
4748 | PUSHs(sv_2mortal(sv)); | |
4749 | } | |
4750 | } | |
726ea183 JH |
4751 | else |
4752 | #endif | |
4753 | { | |
ef54e1a4 JH |
4754 | while (len-- > 0) { |
4755 | COPY32(s, &aulong); | |
4756 | s += SIZE32; | |
a0d0e21e | 4757 | #ifdef HAS_NTOHL |
ef54e1a4 JH |
4758 | if (datumtype == 'N') |
4759 | aulong = PerlSock_ntohl(aulong); | |
79072805 | 4760 | #endif |
a0d0e21e | 4761 | #ifdef HAS_VTOHL |
ef54e1a4 JH |
4762 | if (datumtype == 'V') |
4763 | aulong = vtohl(aulong); | |
79072805 | 4764 | #endif |
ef54e1a4 JH |
4765 | sv = NEWSV(43, 0); |
4766 | sv_setuv(sv, (UV)aulong); | |
4767 | PUSHs(sv_2mortal(sv)); | |
4768 | } | |
a0d0e21e LW |
4769 | } |
4770 | } | |
4771 | break; | |
4772 | case 'p': | |
4773 | along = (strend - s) / sizeof(char*); | |
4774 | if (len > along) | |
4775 | len = along; | |
4776 | EXTEND(SP, len); | |
bbce6d69 | 4777 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4778 | while (len-- > 0) { |
4779 | if (sizeof(char*) > strend - s) | |
4780 | break; | |
4781 | else { | |
4782 | Copy(s, &aptr, 1, char*); | |
4783 | s += sizeof(char*); | |
4784 | } | |
4785 | sv = NEWSV(44, 0); | |
4786 | if (aptr) | |
4787 | sv_setpv(sv, aptr); | |
4788 | PUSHs(sv_2mortal(sv)); | |
4789 | } | |
4790 | break; | |
def98dd4 | 4791 | case 'w': |
def98dd4 | 4792 | EXTEND(SP, len); |
bbce6d69 | 4793 | EXTEND_MORTAL(len); |
8ec5e241 | 4794 | { |
bbce6d69 | 4795 | UV auv = 0; |
4796 | U32 bytes = 0; | |
4797 | ||
4798 | while ((len > 0) && (s < strend)) { | |
4799 | auv = (auv << 7) | (*s & 0x7f); | |
4800 | if (!(*s++ & 0x80)) { | |
4801 | bytes = 0; | |
4802 | sv = NEWSV(40, 0); | |
4803 | sv_setuv(sv, auv); | |
4804 | PUSHs(sv_2mortal(sv)); | |
4805 | len--; | |
4806 | auv = 0; | |
4807 | } | |
4808 | else if (++bytes >= sizeof(UV)) { /* promote to string */ | |
bbce6d69 | 4809 | char *t; |
2d8e6c8d | 4810 | STRLEN n_a; |
bbce6d69 | 4811 | |
d2560b70 | 4812 | sv = Perl_newSVpvf(aTHX_ "%.*"UVf, (int)TYPE_DIGITS(UV), auv); |
bbce6d69 | 4813 | while (s < strend) { |
4814 | sv = mul128(sv, *s & 0x7f); | |
4815 | if (!(*s++ & 0x80)) { | |
4816 | bytes = 0; | |
4817 | break; | |
4818 | } | |
4819 | } | |
2d8e6c8d | 4820 | t = SvPV(sv, n_a); |
bbce6d69 | 4821 | while (*t == '0') |
4822 | t++; | |
4823 | sv_chop(sv, t); | |
4824 | PUSHs(sv_2mortal(sv)); | |
4825 | len--; | |
4826 | auv = 0; | |
4827 | } | |
4828 | } | |
4829 | if ((s >= strend) && bytes) | |
d470f89e | 4830 | DIE(aTHX_ "Unterminated compressed integer"); |
bbce6d69 | 4831 | } |
def98dd4 | 4832 | break; |
a0d0e21e LW |
4833 | case 'P': |
4834 | EXTEND(SP, 1); | |
4835 | if (sizeof(char*) > strend - s) | |
4836 | break; | |
4837 | else { | |
4838 | Copy(s, &aptr, 1, char*); | |
4839 | s += sizeof(char*); | |
4840 | } | |
4841 | sv = NEWSV(44, 0); | |
4842 | if (aptr) | |
4843 | sv_setpvn(sv, aptr, len); | |
4844 | PUSHs(sv_2mortal(sv)); | |
4845 | break; | |
6b8eaf93 | 4846 | #ifdef HAS_QUAD |
a0d0e21e | 4847 | case 'q': |
d4217c7e JH |
4848 | along = (strend - s) / sizeof(Quad_t); |
4849 | if (len > along) | |
4850 | len = along; | |
a0d0e21e | 4851 | EXTEND(SP, len); |
bbce6d69 | 4852 | EXTEND_MORTAL(len); |
a0d0e21e | 4853 | while (len-- > 0) { |
ecfc5424 | 4854 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e LW |
4855 | aquad = 0; |
4856 | else { | |
ecfc5424 AD |
4857 | Copy(s, &aquad, 1, Quad_t); |
4858 | s += sizeof(Quad_t); | |
a0d0e21e LW |
4859 | } |
4860 | sv = NEWSV(42, 0); | |
96e4d5b1 | 4861 | if (aquad >= IV_MIN && aquad <= IV_MAX) |
4862 | sv_setiv(sv, (IV)aquad); | |
4863 | else | |
65202027 | 4864 | sv_setnv(sv, (NV)aquad); |
a0d0e21e LW |
4865 | PUSHs(sv_2mortal(sv)); |
4866 | } | |
4867 | break; | |
4868 | case 'Q': | |
d4217c7e JH |
4869 | along = (strend - s) / sizeof(Quad_t); |
4870 | if (len > along) | |
4871 | len = along; | |
a0d0e21e | 4872 | EXTEND(SP, len); |
bbce6d69 | 4873 | EXTEND_MORTAL(len); |
a0d0e21e | 4874 | while (len-- > 0) { |
e862df63 | 4875 | if (s + sizeof(Uquad_t) > strend) |
a0d0e21e LW |
4876 | auquad = 0; |
4877 | else { | |
e862df63 HB |
4878 | Copy(s, &auquad, 1, Uquad_t); |
4879 | s += sizeof(Uquad_t); | |
a0d0e21e LW |
4880 | } |
4881 | sv = NEWSV(43, 0); | |
27612d38 | 4882 | if (auquad <= UV_MAX) |
96e4d5b1 | 4883 | sv_setuv(sv, (UV)auquad); |
4884 | else | |
65202027 | 4885 | sv_setnv(sv, (NV)auquad); |
a0d0e21e LW |
4886 | PUSHs(sv_2mortal(sv)); |
4887 | } | |
4888 | break; | |
79072805 | 4889 | #endif |
a0d0e21e LW |
4890 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
4891 | case 'f': | |
4892 | case 'F': | |
4893 | along = (strend - s) / sizeof(float); | |
4894 | if (len > along) | |
4895 | len = along; | |
4896 | if (checksum) { | |
4897 | while (len-- > 0) { | |
4898 | Copy(s, &afloat, 1, float); | |
4899 | s += sizeof(float); | |
4900 | cdouble += afloat; | |
4901 | } | |
4902 | } | |
4903 | else { | |
4904 | EXTEND(SP, len); | |
bbce6d69 | 4905 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4906 | while (len-- > 0) { |
4907 | Copy(s, &afloat, 1, float); | |
4908 | s += sizeof(float); | |
4909 | sv = NEWSV(47, 0); | |
65202027 | 4910 | sv_setnv(sv, (NV)afloat); |
a0d0e21e LW |
4911 | PUSHs(sv_2mortal(sv)); |
4912 | } | |
4913 | } | |
4914 | break; | |
4915 | case 'd': | |
4916 | case 'D': | |
4917 | along = (strend - s) / sizeof(double); | |
4918 | if (len > along) | |
4919 | len = along; | |
4920 | if (checksum) { | |
4921 | while (len-- > 0) { | |
4922 | Copy(s, &adouble, 1, double); | |
4923 | s += sizeof(double); | |
4924 | cdouble += adouble; | |
4925 | } | |
4926 | } | |
4927 | else { | |
4928 | EXTEND(SP, len); | |
bbce6d69 | 4929 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4930 | while (len-- > 0) { |
4931 | Copy(s, &adouble, 1, double); | |
4932 | s += sizeof(double); | |
4933 | sv = NEWSV(48, 0); | |
65202027 | 4934 | sv_setnv(sv, (NV)adouble); |
a0d0e21e LW |
4935 | PUSHs(sv_2mortal(sv)); |
4936 | } | |
4937 | } | |
4938 | break; | |
4939 | case 'u': | |
9d116dd7 JH |
4940 | /* MKS: |
4941 | * Initialise the decode mapping. By using a table driven | |
4942 | * algorithm, the code will be character-set independent | |
4943 | * (and just as fast as doing character arithmetic) | |
4944 | */ | |
80252599 | 4945 | if (PL_uudmap['M'] == 0) { |
9d116dd7 | 4946 | int i; |
b13b2135 | 4947 | |
80252599 | 4948 | for (i = 0; i < sizeof(PL_uuemap); i += 1) |
155aba94 | 4949 | PL_uudmap[(U8)PL_uuemap[i]] = i; |
9d116dd7 JH |
4950 | /* |
4951 | * Because ' ' and '`' map to the same value, | |
4952 | * we need to decode them both the same. | |
4953 | */ | |
80252599 | 4954 | PL_uudmap[' '] = 0; |
9d116dd7 JH |
4955 | } |
4956 | ||
a0d0e21e LW |
4957 | along = (strend - s) * 3 / 4; |
4958 | sv = NEWSV(42, along); | |
f12c7020 | 4959 | if (along) |
4960 | SvPOK_on(sv); | |
9d116dd7 | 4961 | while (s < strend && *s > ' ' && ISUUCHAR(*s)) { |
a0d0e21e LW |
4962 | I32 a, b, c, d; |
4963 | char hunk[4]; | |
79072805 | 4964 | |
a0d0e21e | 4965 | hunk[3] = '\0'; |
155aba94 | 4966 | len = PL_uudmap[*(U8*)s++] & 077; |
a0d0e21e | 4967 | while (len > 0) { |
9d116dd7 | 4968 | if (s < strend && ISUUCHAR(*s)) |
155aba94 | 4969 | a = PL_uudmap[*(U8*)s++] & 077; |
9d116dd7 JH |
4970 | else |
4971 | a = 0; | |
4972 | if (s < strend && ISUUCHAR(*s)) | |
155aba94 | 4973 | b = PL_uudmap[*(U8*)s++] & 077; |
9d116dd7 JH |
4974 | else |
4975 | b = 0; | |
4976 | if (s < strend && ISUUCHAR(*s)) | |
155aba94 | 4977 | c = PL_uudmap[*(U8*)s++] & 077; |
9d116dd7 JH |
4978 | else |
4979 | c = 0; | |
4980 | if (s < strend && ISUUCHAR(*s)) | |
155aba94 | 4981 | d = PL_uudmap[*(U8*)s++] & 077; |
a0d0e21e LW |
4982 | else |
4983 | d = 0; | |
4e35701f NIS |
4984 | hunk[0] = (a << 2) | (b >> 4); |
4985 | hunk[1] = (b << 4) | (c >> 2); | |
4986 | hunk[2] = (c << 6) | d; | |
4987 | sv_catpvn(sv, hunk, (len > 3) ? 3 : len); | |
a0d0e21e LW |
4988 | len -= 3; |
4989 | } | |
4990 | if (*s == '\n') | |
4991 | s++; | |
4992 | else if (s[1] == '\n') /* possible checksum byte */ | |
4993 | s += 2; | |
79072805 | 4994 | } |
a0d0e21e LW |
4995 | XPUSHs(sv_2mortal(sv)); |
4996 | break; | |
79072805 | 4997 | } |
a0d0e21e LW |
4998 | if (checksum) { |
4999 | sv = NEWSV(42, 0); | |
5000 | if (strchr("fFdD", datumtype) || | |
32d8b6e5 | 5001 | (checksum > 32 && strchr("iIlLNU", datumtype)) ) { |
65202027 | 5002 | NV trouble; |
79072805 | 5003 | |
a0d0e21e LW |
5004 | adouble = 1.0; |
5005 | while (checksum >= 16) { | |
5006 | checksum -= 16; | |
5007 | adouble *= 65536.0; | |
5008 | } | |
5009 | while (checksum >= 4) { | |
5010 | checksum -= 4; | |
5011 | adouble *= 16.0; | |
5012 | } | |
5013 | while (checksum--) | |
5014 | adouble *= 2.0; | |
5015 | along = (1 << checksum) - 1; | |
5016 | while (cdouble < 0.0) | |
5017 | cdouble += adouble; | |
65202027 | 5018 | cdouble = Perl_modf(cdouble / adouble, &trouble) * adouble; |
a0d0e21e LW |
5019 | sv_setnv(sv, cdouble); |
5020 | } | |
5021 | else { | |
5022 | if (checksum < 32) { | |
96e4d5b1 | 5023 | aulong = (1 << checksum) - 1; |
5024 | culong &= aulong; | |
a0d0e21e | 5025 | } |
96e4d5b1 | 5026 | sv_setuv(sv, (UV)culong); |
a0d0e21e LW |
5027 | } |
5028 | XPUSHs(sv_2mortal(sv)); | |
5029 | checksum = 0; | |
79072805 | 5030 | } |
79072805 | 5031 | } |
dd58a1ab | 5032 | if (SP - PL_stack_base == start_sp_offset && gimme == G_SCALAR) |
3280af22 | 5033 | PUSHs(&PL_sv_undef); |
79072805 | 5034 | RETURN; |
79072805 LW |
5035 | } |
5036 | ||
76e3520e | 5037 | STATIC void |
cea2e8a9 | 5038 | S_doencodes(pTHX_ register SV *sv, register char *s, register I32 len) |
79072805 | 5039 | { |
a0d0e21e | 5040 | char hunk[5]; |
79072805 | 5041 | |
80252599 | 5042 | *hunk = PL_uuemap[len]; |
a0d0e21e LW |
5043 | sv_catpvn(sv, hunk, 1); |
5044 | hunk[4] = '\0'; | |
f264d472 | 5045 | while (len > 2) { |
80252599 GS |
5046 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
5047 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017)))]; | |
5048 | hunk[2] = PL_uuemap[(077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)))]; | |
5049 | hunk[3] = PL_uuemap[(077 & (s[2] & 077))]; | |
a0d0e21e LW |
5050 | sv_catpvn(sv, hunk, 4); |
5051 | s += 3; | |
5052 | len -= 3; | |
5053 | } | |
f264d472 GS |
5054 | if (len > 0) { |
5055 | char r = (len > 1 ? s[1] : '\0'); | |
80252599 GS |
5056 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
5057 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((r >> 4) & 017)))]; | |
5058 | hunk[2] = PL_uuemap[(077 & ((r << 2) & 074))]; | |
5059 | hunk[3] = PL_uuemap[0]; | |
f264d472 | 5060 | sv_catpvn(sv, hunk, 4); |
a0d0e21e LW |
5061 | } |
5062 | sv_catpvn(sv, "\n", 1); | |
79072805 LW |
5063 | } |
5064 | ||
79cb57f6 | 5065 | STATIC SV * |
cea2e8a9 | 5066 | S_is_an_int(pTHX_ char *s, STRLEN l) |
55497cff | 5067 | { |
2d8e6c8d | 5068 | STRLEN n_a; |
79cb57f6 | 5069 | SV *result = newSVpvn(s, l); |
2d8e6c8d | 5070 | char *result_c = SvPV(result, n_a); /* convenience */ |
55497cff | 5071 | char *out = result_c; |
5072 | bool skip = 1; | |
5073 | bool ignore = 0; | |
5074 | ||
5075 | while (*s) { | |
5076 | switch (*s) { | |
5077 | case ' ': | |
5078 | break; | |
5079 | case '+': | |
5080 | if (!skip) { | |
5081 | SvREFCNT_dec(result); | |
5082 | return (NULL); | |
5083 | } | |
5084 | break; | |
5085 | case '0': | |
5086 | case '1': | |
5087 | case '2': | |
5088 | case '3': | |
5089 | case '4': | |
5090 | case '5': | |
5091 | case '6': | |
5092 | case '7': | |
5093 | case '8': | |
5094 | case '9': | |
5095 | skip = 0; | |
5096 | if (!ignore) { | |
5097 | *(out++) = *s; | |
5098 | } | |
5099 | break; | |
5100 | case '.': | |
5101 | ignore = 1; | |
5102 | break; | |
5103 | default: | |
5104 | SvREFCNT_dec(result); | |
5105 | return (NULL); | |
5106 | } | |
5107 | s++; | |
5108 | } | |
5109 | *(out++) = '\0'; | |
5110 | SvCUR_set(result, out - result_c); | |
5111 | return (result); | |
5112 | } | |
5113 | ||
864dbfa3 | 5114 | /* pnum must be '\0' terminated */ |
76e3520e | 5115 | STATIC int |
cea2e8a9 | 5116 | S_div128(pTHX_ SV *pnum, bool *done) |
55497cff | 5117 | { |
5118 | STRLEN len; | |
5119 | char *s = SvPV(pnum, len); | |
5120 | int m = 0; | |
5121 | int r = 0; | |
5122 | char *t = s; | |
5123 | ||
5124 | *done = 1; | |
5125 | while (*t) { | |
5126 | int i; | |
5127 | ||
5128 | i = m * 10 + (*t - '0'); | |
5129 | m = i & 0x7F; | |
5130 | r = (i >> 7); /* r < 10 */ | |
5131 | if (r) { | |
5132 | *done = 0; | |
5133 | } | |
5134 | *(t++) = '0' + r; | |
5135 | } | |
5136 | *(t++) = '\0'; | |
5137 | SvCUR_set(pnum, (STRLEN) (t - s)); | |
5138 | return (m); | |
5139 | } | |
5140 | ||
5141 | ||
a0d0e21e | 5142 | PP(pp_pack) |
79072805 | 5143 | { |
4e35701f | 5144 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
5145 | register SV *cat = TARG; |
5146 | register I32 items; | |
5147 | STRLEN fromlen; | |
5148 | register char *pat = SvPVx(*++MARK, fromlen); | |
036b4402 | 5149 | char *patcopy; |
a0d0e21e LW |
5150 | register char *patend = pat + fromlen; |
5151 | register I32 len; | |
5152 | I32 datumtype; | |
5153 | SV *fromstr; | |
5154 | /*SUPPRESS 442*/ | |
5155 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; | |
5156 | static char *space10 = " "; | |
79072805 | 5157 | |
a0d0e21e LW |
5158 | /* These must not be in registers: */ |
5159 | char achar; | |
5160 | I16 ashort; | |
5161 | int aint; | |
5162 | unsigned int auint; | |
5163 | I32 along; | |
5164 | U32 aulong; | |
6b8eaf93 | 5165 | #ifdef HAS_QUAD |
ecfc5424 | 5166 | Quad_t aquad; |
e862df63 | 5167 | Uquad_t auquad; |
79072805 | 5168 | #endif |
a0d0e21e LW |
5169 | char *aptr; |
5170 | float afloat; | |
5171 | double adouble; | |
fb73857a | 5172 | int commas = 0; |
726ea183 | 5173 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 5174 | int natint; /* native integer */ |
726ea183 | 5175 | #endif |
79072805 | 5176 | |
a0d0e21e LW |
5177 | items = SP - MARK; |
5178 | MARK++; | |
5179 | sv_setpvn(cat, "", 0); | |
036b4402 | 5180 | patcopy = pat; |
a0d0e21e | 5181 | while (pat < patend) { |
43192e07 IP |
5182 | SV *lengthcode = Nullsv; |
5183 | #define NEXTFROM ( lengthcode ? lengthcode : items-- > 0 ? *MARK++ : &PL_sv_no) | |
bbdab043 | 5184 | datumtype = *pat++ & 0xFF; |
726ea183 | 5185 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 5186 | natint = 0; |
726ea183 | 5187 | #endif |
036b4402 GS |
5188 | if (isSPACE(datumtype)) { |
5189 | patcopy++; | |
bbdab043 | 5190 | continue; |
036b4402 | 5191 | } |
b13b2135 | 5192 | if (datumtype == 'U' && pat == patcopy+1) |
036b4402 | 5193 | SvUTF8_on(cat); |
17f4a12d IZ |
5194 | if (datumtype == '#') { |
5195 | while (pat < patend && *pat != '\n') | |
5196 | pat++; | |
5197 | continue; | |
5198 | } | |
f61d411c | 5199 | if (*pat == '!') { |
ef54e1a4 JH |
5200 | char *natstr = "sSiIlL"; |
5201 | ||
5202 | if (strchr(natstr, datumtype)) { | |
726ea183 | 5203 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 5204 | natint = 1; |
726ea183 | 5205 | #endif |
ef54e1a4 JH |
5206 | pat++; |
5207 | } | |
5208 | else | |
d470f89e | 5209 | DIE(aTHX_ "'!' allowed only after types %s", natstr); |
ef54e1a4 | 5210 | } |
a0d0e21e LW |
5211 | if (*pat == '*') { |
5212 | len = strchr("@Xxu", datumtype) ? 0 : items; | |
5213 | pat++; | |
5214 | } | |
5215 | else if (isDIGIT(*pat)) { | |
5216 | len = *pat++ - '0'; | |
06387354 | 5217 | while (isDIGIT(*pat)) { |
a0d0e21e | 5218 | len = (len * 10) + (*pat++ - '0'); |
06387354 | 5219 | if (len < 0) |
d470f89e | 5220 | DIE(aTHX_ "Repeat count in pack overflows"); |
06387354 | 5221 | } |
a0d0e21e LW |
5222 | } |
5223 | else | |
5224 | len = 1; | |
17f4a12d | 5225 | if (*pat == '/') { |
43192e07 | 5226 | ++pat; |
155aba94 | 5227 | if ((*pat != 'a' && *pat != 'A' && *pat != 'Z') || pat[1] != '*') |
17f4a12d | 5228 | DIE(aTHX_ "/ must be followed by a*, A* or Z*"); |
43192e07 | 5229 | lengthcode = sv_2mortal(newSViv(sv_len(items > 0 |
3399f041 GS |
5230 | ? *MARK : &PL_sv_no) |
5231 | + (*pat == 'Z' ? 1 : 0))); | |
43192e07 | 5232 | } |
a0d0e21e LW |
5233 | switch(datumtype) { |
5234 | default: | |
d470f89e | 5235 | DIE(aTHX_ "Invalid type in pack: '%c'", (int)datumtype); |
fb73857a | 5236 | case ',': /* grandfather in commas but with a warning */ |
e476b1b5 GS |
5237 | if (commas++ == 0 && ckWARN(WARN_PACK)) |
5238 | Perl_warner(aTHX_ WARN_PACK, | |
43192e07 | 5239 | "Invalid type in pack: '%c'", (int)datumtype); |
fb73857a | 5240 | break; |
a0d0e21e | 5241 | case '%': |
cea2e8a9 | 5242 | DIE(aTHX_ "%% may only be used in unpack"); |
a0d0e21e LW |
5243 | case '@': |
5244 | len -= SvCUR(cat); | |
5245 | if (len > 0) | |
5246 | goto grow; | |
5247 | len = -len; | |
5248 | if (len > 0) | |
5249 | goto shrink; | |
5250 | break; | |
5251 | case 'X': | |
5252 | shrink: | |
5253 | if (SvCUR(cat) < len) | |
cea2e8a9 | 5254 | DIE(aTHX_ "X outside of string"); |
a0d0e21e LW |
5255 | SvCUR(cat) -= len; |
5256 | *SvEND(cat) = '\0'; | |
5257 | break; | |
5258 | case 'x': | |
5259 | grow: | |
5260 | while (len >= 10) { | |
5261 | sv_catpvn(cat, null10, 10); | |
5262 | len -= 10; | |
5263 | } | |
5264 | sv_catpvn(cat, null10, len); | |
5265 | break; | |
5266 | case 'A': | |
5a929a98 | 5267 | case 'Z': |
a0d0e21e LW |
5268 | case 'a': |
5269 | fromstr = NEXTFROM; | |
5270 | aptr = SvPV(fromstr, fromlen); | |
2b6c5635 | 5271 | if (pat[-1] == '*') { |
a0d0e21e | 5272 | len = fromlen; |
2b6c5635 GS |
5273 | if (datumtype == 'Z') |
5274 | ++len; | |
5275 | } | |
5276 | if (fromlen >= len) { | |
a0d0e21e | 5277 | sv_catpvn(cat, aptr, len); |
2b6c5635 GS |
5278 | if (datumtype == 'Z') |
5279 | *(SvEND(cat)-1) = '\0'; | |
5280 | } | |
a0d0e21e LW |
5281 | else { |
5282 | sv_catpvn(cat, aptr, fromlen); | |
5283 | len -= fromlen; | |
5284 | if (datumtype == 'A') { | |
5285 | while (len >= 10) { | |
5286 | sv_catpvn(cat, space10, 10); | |
5287 | len -= 10; | |
5288 | } | |
5289 | sv_catpvn(cat, space10, len); | |
5290 | } | |
5291 | else { | |
5292 | while (len >= 10) { | |
5293 | sv_catpvn(cat, null10, 10); | |
5294 | len -= 10; | |
5295 | } | |
5296 | sv_catpvn(cat, null10, len); | |
5297 | } | |
5298 | } | |
5299 | break; | |
5300 | case 'B': | |
5301 | case 'b': | |
5302 | { | |
abdc5761 | 5303 | register char *str; |
a0d0e21e | 5304 | I32 saveitems; |
79072805 | 5305 | |
a0d0e21e LW |
5306 | fromstr = NEXTFROM; |
5307 | saveitems = items; | |
abdc5761 | 5308 | str = SvPV(fromstr, fromlen); |
a0d0e21e LW |
5309 | if (pat[-1] == '*') |
5310 | len = fromlen; | |
a0d0e21e LW |
5311 | aint = SvCUR(cat); |
5312 | SvCUR(cat) += (len+7)/8; | |
5313 | SvGROW(cat, SvCUR(cat) + 1); | |
5314 | aptr = SvPVX(cat) + aint; | |
5315 | if (len > fromlen) | |
5316 | len = fromlen; | |
5317 | aint = len; | |
5318 | items = 0; | |
5319 | if (datumtype == 'B') { | |
5320 | for (len = 0; len++ < aint;) { | |
abdc5761 | 5321 | items |= *str++ & 1; |
a0d0e21e LW |
5322 | if (len & 7) |
5323 | items <<= 1; | |
5324 | else { | |
5325 | *aptr++ = items & 0xff; | |
5326 | items = 0; | |
5327 | } | |
5328 | } | |
5329 | } | |
5330 | else { | |
5331 | for (len = 0; len++ < aint;) { | |
abdc5761 | 5332 | if (*str++ & 1) |
a0d0e21e LW |
5333 | items |= 128; |
5334 | if (len & 7) | |
5335 | items >>= 1; | |
5336 | else { | |
5337 | *aptr++ = items & 0xff; | |
5338 | items = 0; | |
5339 | } | |
5340 | } | |
5341 | } | |
5342 | if (aint & 7) { | |
5343 | if (datumtype == 'B') | |
5344 | items <<= 7 - (aint & 7); | |
5345 | else | |
5346 | items >>= 7 - (aint & 7); | |
5347 | *aptr++ = items & 0xff; | |
5348 | } | |
abdc5761 GS |
5349 | str = SvPVX(cat) + SvCUR(cat); |
5350 | while (aptr <= str) | |
a0d0e21e | 5351 | *aptr++ = '\0'; |
79072805 | 5352 | |
a0d0e21e LW |
5353 | items = saveitems; |
5354 | } | |
5355 | break; | |
5356 | case 'H': | |
5357 | case 'h': | |
5358 | { | |
abdc5761 | 5359 | register char *str; |
a0d0e21e | 5360 | I32 saveitems; |
79072805 | 5361 | |
a0d0e21e LW |
5362 | fromstr = NEXTFROM; |
5363 | saveitems = items; | |
abdc5761 | 5364 | str = SvPV(fromstr, fromlen); |
a0d0e21e LW |
5365 | if (pat[-1] == '*') |
5366 | len = fromlen; | |
a0d0e21e LW |
5367 | aint = SvCUR(cat); |
5368 | SvCUR(cat) += (len+1)/2; | |
5369 | SvGROW(cat, SvCUR(cat) + 1); | |
5370 | aptr = SvPVX(cat) + aint; | |
5371 | if (len > fromlen) | |
5372 | len = fromlen; | |
5373 | aint = len; | |
5374 | items = 0; | |
5375 | if (datumtype == 'H') { | |
5376 | for (len = 0; len++ < aint;) { | |
abdc5761 GS |
5377 | if (isALPHA(*str)) |
5378 | items |= ((*str++ & 15) + 9) & 15; | |
a0d0e21e | 5379 | else |
abdc5761 | 5380 | items |= *str++ & 15; |
a0d0e21e LW |
5381 | if (len & 1) |
5382 | items <<= 4; | |
5383 | else { | |
5384 | *aptr++ = items & 0xff; | |
5385 | items = 0; | |
5386 | } | |
5387 | } | |
5388 | } | |
5389 | else { | |
5390 | for (len = 0; len++ < aint;) { | |
abdc5761 GS |
5391 | if (isALPHA(*str)) |
5392 | items |= (((*str++ & 15) + 9) & 15) << 4; | |
a0d0e21e | 5393 | else |
abdc5761 | 5394 | items |= (*str++ & 15) << 4; |
a0d0e21e LW |
5395 | if (len & 1) |
5396 | items >>= 4; | |
5397 | else { | |
5398 | *aptr++ = items & 0xff; | |
5399 | items = 0; | |
5400 | } | |
5401 | } | |
5402 | } | |
5403 | if (aint & 1) | |
5404 | *aptr++ = items & 0xff; | |
abdc5761 GS |
5405 | str = SvPVX(cat) + SvCUR(cat); |
5406 | while (aptr <= str) | |
a0d0e21e | 5407 | *aptr++ = '\0'; |
79072805 | 5408 | |
a0d0e21e LW |
5409 | items = saveitems; |
5410 | } | |
5411 | break; | |
5412 | case 'C': | |
5413 | case 'c': | |
5414 | while (len-- > 0) { | |
5415 | fromstr = NEXTFROM; | |
5416 | aint = SvIV(fromstr); | |
5417 | achar = aint; | |
5418 | sv_catpvn(cat, &achar, sizeof(char)); | |
5419 | } | |
5420 | break; | |
a0ed51b3 LW |
5421 | case 'U': |
5422 | while (len-- > 0) { | |
5423 | fromstr = NEXTFROM; | |
5424 | auint = SvUV(fromstr); | |
ad391ad9 | 5425 | SvGROW(cat, SvCUR(cat) + UTF8_MAXLEN + 1); |
dfe13c55 GS |
5426 | SvCUR_set(cat, (char*)uv_to_utf8((U8*)SvEND(cat),auint) |
5427 | - SvPVX(cat)); | |
a0ed51b3 LW |
5428 | } |
5429 | *SvEND(cat) = '\0'; | |
5430 | break; | |
a0d0e21e LW |
5431 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
5432 | case 'f': | |
5433 | case 'F': | |
5434 | while (len-- > 0) { | |
5435 | fromstr = NEXTFROM; | |
5436 | afloat = (float)SvNV(fromstr); | |
5437 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); | |
5438 | } | |
5439 | break; | |
5440 | case 'd': | |
5441 | case 'D': | |
5442 | while (len-- > 0) { | |
5443 | fromstr = NEXTFROM; | |
5444 | adouble = (double)SvNV(fromstr); | |
5445 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); | |
5446 | } | |
5447 | break; | |
5448 | case 'n': | |
5449 | while (len-- > 0) { | |
5450 | fromstr = NEXTFROM; | |
5451 | ashort = (I16)SvIV(fromstr); | |
5452 | #ifdef HAS_HTONS | |
6ad3d225 | 5453 | ashort = PerlSock_htons(ashort); |
79072805 | 5454 | #endif |
96e4d5b1 | 5455 | CAT16(cat, &ashort); |
a0d0e21e LW |
5456 | } |
5457 | break; | |
5458 | case 'v': | |
5459 | while (len-- > 0) { | |
5460 | fromstr = NEXTFROM; | |
5461 | ashort = (I16)SvIV(fromstr); | |
5462 | #ifdef HAS_HTOVS | |
5463 | ashort = htovs(ashort); | |
79072805 | 5464 | #endif |
96e4d5b1 | 5465 | CAT16(cat, &ashort); |
a0d0e21e LW |
5466 | } |
5467 | break; | |
5468 | case 'S': | |
726ea183 | 5469 | #if SHORTSIZE != SIZE16 |
ef54e1a4 JH |
5470 | if (natint) { |
5471 | unsigned short aushort; | |
5472 | ||
5473 | while (len-- > 0) { | |
5474 | fromstr = NEXTFROM; | |
5475 | aushort = SvUV(fromstr); | |
5476 | sv_catpvn(cat, (char *)&aushort, sizeof(unsigned short)); | |
5477 | } | |
5478 | } | |
726ea183 JH |
5479 | else |
5480 | #endif | |
5481 | { | |
ef54e1a4 JH |
5482 | U16 aushort; |
5483 | ||
5484 | while (len-- > 0) { | |
5485 | fromstr = NEXTFROM; | |
726ea183 | 5486 | aushort = (U16)SvUV(fromstr); |
ef54e1a4 JH |
5487 | CAT16(cat, &aushort); |
5488 | } | |
726ea183 | 5489 | |
ef54e1a4 JH |
5490 | } |
5491 | break; | |
a0d0e21e | 5492 | case 's': |
c67712b2 | 5493 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 5494 | if (natint) { |
bf9315bb GS |
5495 | short ashort; |
5496 | ||
ef54e1a4 JH |
5497 | while (len-- > 0) { |
5498 | fromstr = NEXTFROM; | |
5499 | ashort = SvIV(fromstr); | |
5500 | sv_catpvn(cat, (char *)&ashort, sizeof(short)); | |
5501 | } | |
5502 | } | |
726ea183 JH |
5503 | else |
5504 | #endif | |
5505 | { | |
ef54e1a4 JH |
5506 | while (len-- > 0) { |
5507 | fromstr = NEXTFROM; | |
5508 | ashort = (I16)SvIV(fromstr); | |
5509 | CAT16(cat, &ashort); | |
5510 | } | |
a0d0e21e LW |
5511 | } |
5512 | break; | |
5513 | case 'I': | |
5514 | while (len-- > 0) { | |
5515 | fromstr = NEXTFROM; | |
96e4d5b1 | 5516 | auint = SvUV(fromstr); |
a0d0e21e LW |
5517 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
5518 | } | |
5519 | break; | |
def98dd4 UP |
5520 | case 'w': |
5521 | while (len-- > 0) { | |
bbce6d69 | 5522 | fromstr = NEXTFROM; |
65202027 | 5523 | adouble = Perl_floor(SvNV(fromstr)); |
bbce6d69 | 5524 | |
5525 | if (adouble < 0) | |
d470f89e | 5526 | DIE(aTHX_ "Cannot compress negative numbers"); |
bbce6d69 | 5527 | |
46fc3d4c | 5528 | if ( |
8bda1795 ML |
5529 | #if UVSIZE > 4 && UVSIZE >= NVSIZE |
5530 | adouble <= 0xffffffff | |
ef2d312d | 5531 | #else |
8bda1795 ML |
5532 | # ifdef CXUX_BROKEN_CONSTANT_CONVERT |
5533 | adouble <= UV_MAX_cxux | |
5534 | # else | |
46fc3d4c | 5535 | adouble <= UV_MAX |
8bda1795 | 5536 | # endif |
46fc3d4c | 5537 | #endif |
5538 | ) | |
5539 | { | |
bbce6d69 | 5540 | char buf[1 + sizeof(UV)]; |
5541 | char *in = buf + sizeof(buf); | |
db7c17d7 | 5542 | UV auv = U_V(adouble); |
bbce6d69 | 5543 | |
5544 | do { | |
5545 | *--in = (auv & 0x7f) | 0x80; | |
5546 | auv >>= 7; | |
5547 | } while (auv); | |
5548 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
5549 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
5550 | } | |
5551 | else if (SvPOKp(fromstr)) { /* decimal string arithmetics */ | |
5552 | char *from, *result, *in; | |
5553 | SV *norm; | |
5554 | STRLEN len; | |
5555 | bool done; | |
8ec5e241 | 5556 | |
bbce6d69 | 5557 | /* Copy string and check for compliance */ |
5558 | from = SvPV(fromstr, len); | |
5559 | if ((norm = is_an_int(from, len)) == NULL) | |
d470f89e | 5560 | DIE(aTHX_ "can compress only unsigned integer"); |
bbce6d69 | 5561 | |
5562 | New('w', result, len, char); | |
5563 | in = result + len; | |
5564 | done = FALSE; | |
5565 | while (!done) | |
5566 | *--in = div128(norm, &done) | 0x80; | |
5567 | result[len - 1] &= 0x7F; /* clear continue bit */ | |
5568 | sv_catpvn(cat, in, (result + len) - in); | |
5f05dabc | 5569 | Safefree(result); |
bbce6d69 | 5570 | SvREFCNT_dec(norm); /* free norm */ |
def98dd4 | 5571 | } |
bbce6d69 | 5572 | else if (SvNOKp(fromstr)) { |
5573 | char buf[sizeof(double) * 2]; /* 8/7 <= 2 */ | |
5574 | char *in = buf + sizeof(buf); | |
5575 | ||
5576 | do { | |
5577 | double next = floor(adouble / 128); | |
5578 | *--in = (unsigned char)(adouble - (next * 128)) | 0x80; | |
acae6be1 | 5579 | if (in <= buf) /* this cannot happen ;-) */ |
d470f89e | 5580 | DIE(aTHX_ "Cannot compress integer"); |
acae6be1 | 5581 | in--; |
bbce6d69 | 5582 | adouble = next; |
5583 | } while (adouble > 0); | |
5584 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
5585 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
5586 | } | |
5587 | else | |
d470f89e | 5588 | DIE(aTHX_ "Cannot compress non integer"); |
bbce6d69 | 5589 | } |
def98dd4 | 5590 | break; |
a0d0e21e LW |
5591 | case 'i': |
5592 | while (len-- > 0) { | |
5593 | fromstr = NEXTFROM; | |
5594 | aint = SvIV(fromstr); | |
5595 | sv_catpvn(cat, (char*)&aint, sizeof(int)); | |
5596 | } | |
5597 | break; | |
5598 | case 'N': | |
5599 | while (len-- > 0) { | |
5600 | fromstr = NEXTFROM; | |
96e4d5b1 | 5601 | aulong = SvUV(fromstr); |
a0d0e21e | 5602 | #ifdef HAS_HTONL |
6ad3d225 | 5603 | aulong = PerlSock_htonl(aulong); |
79072805 | 5604 | #endif |
96e4d5b1 | 5605 | CAT32(cat, &aulong); |
a0d0e21e LW |
5606 | } |
5607 | break; | |
5608 | case 'V': | |
5609 | while (len-- > 0) { | |
5610 | fromstr = NEXTFROM; | |
96e4d5b1 | 5611 | aulong = SvUV(fromstr); |
a0d0e21e LW |
5612 | #ifdef HAS_HTOVL |
5613 | aulong = htovl(aulong); | |
79072805 | 5614 | #endif |
96e4d5b1 | 5615 | CAT32(cat, &aulong); |
a0d0e21e LW |
5616 | } |
5617 | break; | |
5618 | case 'L': | |
726ea183 | 5619 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 5620 | if (natint) { |
bf9315bb GS |
5621 | unsigned long aulong; |
5622 | ||
ef54e1a4 JH |
5623 | while (len-- > 0) { |
5624 | fromstr = NEXTFROM; | |
5625 | aulong = SvUV(fromstr); | |
5626 | sv_catpvn(cat, (char *)&aulong, sizeof(unsigned long)); | |
5627 | } | |
5628 | } | |
726ea183 JH |
5629 | else |
5630 | #endif | |
5631 | { | |
ef54e1a4 JH |
5632 | while (len-- > 0) { |
5633 | fromstr = NEXTFROM; | |
5634 | aulong = SvUV(fromstr); | |
5635 | CAT32(cat, &aulong); | |
5636 | } | |
a0d0e21e LW |
5637 | } |
5638 | break; | |
5639 | case 'l': | |
726ea183 | 5640 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 5641 | if (natint) { |
bf9315bb GS |
5642 | long along; |
5643 | ||
ef54e1a4 JH |
5644 | while (len-- > 0) { |
5645 | fromstr = NEXTFROM; | |
5646 | along = SvIV(fromstr); | |
5647 | sv_catpvn(cat, (char *)&along, sizeof(long)); | |
5648 | } | |
5649 | } | |
726ea183 JH |
5650 | else |
5651 | #endif | |
5652 | { | |
ef54e1a4 JH |
5653 | while (len-- > 0) { |
5654 | fromstr = NEXTFROM; | |
5655 | along = SvIV(fromstr); | |
5656 | CAT32(cat, &along); | |
5657 | } | |
a0d0e21e LW |
5658 | } |
5659 | break; | |
6b8eaf93 | 5660 | #ifdef HAS_QUAD |
a0d0e21e LW |
5661 | case 'Q': |
5662 | while (len-- > 0) { | |
5663 | fromstr = NEXTFROM; | |
bf9315bb | 5664 | auquad = (Uquad_t)SvUV(fromstr); |
e862df63 | 5665 | sv_catpvn(cat, (char*)&auquad, sizeof(Uquad_t)); |
a0d0e21e LW |
5666 | } |
5667 | break; | |
5668 | case 'q': | |
5669 | while (len-- > 0) { | |
5670 | fromstr = NEXTFROM; | |
ecfc5424 AD |
5671 | aquad = (Quad_t)SvIV(fromstr); |
5672 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); | |
a0d0e21e LW |
5673 | } |
5674 | break; | |
1b8cd678 | 5675 | #endif |
a0d0e21e LW |
5676 | case 'P': |
5677 | len = 1; /* assume SV is correct length */ | |
5678 | /* FALL THROUGH */ | |
5679 | case 'p': | |
5680 | while (len-- > 0) { | |
5681 | fromstr = NEXTFROM; | |
3280af22 | 5682 | if (fromstr == &PL_sv_undef) |
84902520 | 5683 | aptr = NULL; |
72dbcb4b | 5684 | else { |
2d8e6c8d | 5685 | STRLEN n_a; |
84902520 TB |
5686 | /* XXX better yet, could spirit away the string to |
5687 | * a safe spot and hang on to it until the result | |
5688 | * of pack() (and all copies of the result) are | |
5689 | * gone. | |
5690 | */ | |
e476b1b5 | 5691 | if (ckWARN(WARN_PACK) && (SvTEMP(fromstr) |
014822e4 GS |
5692 | || (SvPADTMP(fromstr) |
5693 | && !SvREADONLY(fromstr)))) | |
5694 | { | |
e476b1b5 | 5695 | Perl_warner(aTHX_ WARN_PACK, |
599cee73 | 5696 | "Attempt to pack pointer to temporary value"); |
014822e4 | 5697 | } |
84902520 | 5698 | if (SvPOK(fromstr) || SvNIOK(fromstr)) |
2d8e6c8d | 5699 | aptr = SvPV(fromstr,n_a); |
84902520 | 5700 | else |
2d8e6c8d | 5701 | aptr = SvPV_force(fromstr,n_a); |
72dbcb4b | 5702 | } |
a0d0e21e LW |
5703 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
5704 | } | |
5705 | break; | |
5706 | case 'u': | |
5707 | fromstr = NEXTFROM; | |
5708 | aptr = SvPV(fromstr, fromlen); | |
5709 | SvGROW(cat, fromlen * 4 / 3); | |
5710 | if (len <= 1) | |
5711 | len = 45; | |
5712 | else | |
5713 | len = len / 3 * 3; | |
5714 | while (fromlen > 0) { | |
5715 | I32 todo; | |
79072805 | 5716 | |
a0d0e21e LW |
5717 | if (fromlen > len) |
5718 | todo = len; | |
5719 | else | |
5720 | todo = fromlen; | |
5721 | doencodes(cat, aptr, todo); | |
5722 | fromlen -= todo; | |
5723 | aptr += todo; | |
5724 | } | |
5725 | break; | |
5726 | } | |
5727 | } | |
5728 | SvSETMAGIC(cat); | |
5729 | SP = ORIGMARK; | |
5730 | PUSHs(cat); | |
5731 | RETURN; | |
79072805 | 5732 | } |
a0d0e21e | 5733 | #undef NEXTFROM |
79072805 | 5734 | |
8ec5e241 | 5735 | |
a0d0e21e | 5736 | PP(pp_split) |
79072805 | 5737 | { |
4e35701f | 5738 | djSP; dTARG; |
a0d0e21e | 5739 | AV *ary; |
467f0320 | 5740 | register IV limit = POPi; /* note, negative is forever */ |
a0d0e21e | 5741 | SV *sv = POPs; |
792b2c16 | 5742 | bool do_utf8 = DO_UTF8(sv); |
a0d0e21e LW |
5743 | STRLEN len; |
5744 | register char *s = SvPV(sv, len); | |
5745 | char *strend = s + len; | |
44a8e56a | 5746 | register PMOP *pm; |
d9f97599 | 5747 | register REGEXP *rx; |
a0d0e21e LW |
5748 | register SV *dstr; |
5749 | register char *m; | |
5750 | I32 iters = 0; | |
792b2c16 JH |
5751 | STRLEN slen = do_utf8 ? utf8_length((U8*)s, (U8*)strend) : (strend - s); |
5752 | I32 maxiters = slen + 10; | |
a0d0e21e LW |
5753 | I32 i; |
5754 | char *orig; | |
5755 | I32 origlimit = limit; | |
5756 | I32 realarray = 0; | |
5757 | I32 base; | |
3280af22 | 5758 | AV *oldstack = PL_curstack; |
54310121 | 5759 | I32 gimme = GIMME_V; |
3280af22 | 5760 | I32 oldsave = PL_savestack_ix; |
8ec5e241 NIS |
5761 | I32 make_mortal = 1; |
5762 | MAGIC *mg = (MAGIC *) NULL; | |
79072805 | 5763 | |
44a8e56a | 5764 | #ifdef DEBUGGING |
5765 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
5766 | #else | |
5767 | pm = (PMOP*)POPs; | |
5768 | #endif | |
a0d0e21e | 5769 | if (!pm || !s) |
2269b42e | 5770 | DIE(aTHX_ "panic: pp_split"); |
d9f97599 | 5771 | rx = pm->op_pmregexp; |
bbce6d69 | 5772 | |
5773 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
5774 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
5775 | ||
971a9dd3 GS |
5776 | if (pm->op_pmreplroot) { |
5777 | #ifdef USE_ITHREADS | |
5778 | ary = GvAVn((GV*)PL_curpad[(PADOFFSET)pm->op_pmreplroot]); | |
5779 | #else | |
a0d0e21e | 5780 | ary = GvAVn((GV*)pm->op_pmreplroot); |
971a9dd3 GS |
5781 | #endif |
5782 | } | |
a0d0e21e | 5783 | else if (gimme != G_ARRAY) |
6d4ff0d2 | 5784 | #ifdef USE_THREADS |
533c011a | 5785 | ary = (AV*)PL_curpad[0]; |
6d4ff0d2 | 5786 | #else |
3280af22 | 5787 | ary = GvAVn(PL_defgv); |
6d4ff0d2 | 5788 | #endif /* USE_THREADS */ |
79072805 | 5789 | else |
a0d0e21e LW |
5790 | ary = Nullav; |
5791 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
5792 | realarray = 1; | |
8ec5e241 | 5793 | PUTBACK; |
a0d0e21e LW |
5794 | av_extend(ary,0); |
5795 | av_clear(ary); | |
8ec5e241 | 5796 | SPAGAIN; |
155aba94 | 5797 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
8ec5e241 | 5798 | PUSHMARK(SP); |
33c27489 | 5799 | XPUSHs(SvTIED_obj((SV*)ary, mg)); |
8ec5e241 NIS |
5800 | } |
5801 | else { | |
1c0b011c NIS |
5802 | if (!AvREAL(ary)) { |
5803 | AvREAL_on(ary); | |
abff13bb | 5804 | AvREIFY_off(ary); |
1c0b011c | 5805 | for (i = AvFILLp(ary); i >= 0; i--) |
3280af22 | 5806 | AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */ |
1c0b011c NIS |
5807 | } |
5808 | /* temporarily switch stacks */ | |
3280af22 | 5809 | SWITCHSTACK(PL_curstack, ary); |
8ec5e241 | 5810 | make_mortal = 0; |
1c0b011c | 5811 | } |
79072805 | 5812 | } |
3280af22 | 5813 | base = SP - PL_stack_base; |
a0d0e21e LW |
5814 | orig = s; |
5815 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 5816 | if (pm->op_pmflags & PMf_LOCALE) { |
5817 | while (isSPACE_LC(*s)) | |
5818 | s++; | |
5819 | } | |
5820 | else { | |
5821 | while (isSPACE(*s)) | |
5822 | s++; | |
5823 | } | |
a0d0e21e | 5824 | } |
c07a80fd | 5825 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3280af22 NIS |
5826 | SAVEINT(PL_multiline); |
5827 | PL_multiline = pm->op_pmflags & PMf_MULTILINE; | |
c07a80fd | 5828 | } |
5829 | ||
a0d0e21e LW |
5830 | if (!limit) |
5831 | limit = maxiters + 2; | |
5832 | if (pm->op_pmflags & PMf_WHITE) { | |
5833 | while (--limit) { | |
bbce6d69 | 5834 | m = s; |
5835 | while (m < strend && | |
5836 | !((pm->op_pmflags & PMf_LOCALE) | |
5837 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
5838 | ++m; | |
a0d0e21e LW |
5839 | if (m >= strend) |
5840 | break; | |
bbce6d69 | 5841 | |
a0d0e21e LW |
5842 | dstr = NEWSV(30, m-s); |
5843 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5844 | if (make_mortal) |
a0d0e21e | 5845 | sv_2mortal(dstr); |
792b2c16 | 5846 | if (do_utf8) |
28cb3359 | 5847 | (void)SvUTF8_on(dstr); |
a0d0e21e | 5848 | XPUSHs(dstr); |
bbce6d69 | 5849 | |
5850 | s = m + 1; | |
5851 | while (s < strend && | |
5852 | ((pm->op_pmflags & PMf_LOCALE) | |
5853 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
5854 | ++s; | |
79072805 LW |
5855 | } |
5856 | } | |
f4091fba | 5857 | else if (strEQ("^", rx->precomp)) { |
a0d0e21e LW |
5858 | while (--limit) { |
5859 | /*SUPPRESS 530*/ | |
5860 | for (m = s; m < strend && *m != '\n'; m++) ; | |
5861 | m++; | |
5862 | if (m >= strend) | |
5863 | break; | |
5864 | dstr = NEWSV(30, m-s); | |
5865 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5866 | if (make_mortal) |
a0d0e21e | 5867 | sv_2mortal(dstr); |
792b2c16 | 5868 | if (do_utf8) |
28cb3359 | 5869 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
5870 | XPUSHs(dstr); |
5871 | s = m; | |
5872 | } | |
5873 | } | |
f722798b | 5874 | else if ((rx->reganch & RE_USE_INTUIT) && !rx->nparens |
d9f97599 GS |
5875 | && (rx->reganch & ROPT_CHECK_ALL) |
5876 | && !(rx->reganch & ROPT_ANCH)) { | |
f722798b IZ |
5877 | int tail = (rx->reganch & RE_INTUIT_TAIL); |
5878 | SV *csv = CALLREG_INTUIT_STRING(aTHX_ rx); | |
cf93c79d | 5879 | |
ca5b42cb GS |
5880 | len = rx->minlen; |
5881 | if (len == 1 && !tail) { | |
93f04dac JH |
5882 | STRLEN n_a; |
5883 | char c = *SvPV(csv, n_a); | |
a0d0e21e | 5884 | while (--limit) { |
bbce6d69 | 5885 | /*SUPPRESS 530*/ |
f722798b | 5886 | for (m = s; m < strend && *m != c; m++) ; |
a0d0e21e LW |
5887 | if (m >= strend) |
5888 | break; | |
5889 | dstr = NEWSV(30, m-s); | |
5890 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5891 | if (make_mortal) |
a0d0e21e | 5892 | sv_2mortal(dstr); |
792b2c16 | 5893 | if (do_utf8) |
28cb3359 | 5894 | (void)SvUTF8_on(dstr); |
a0d0e21e | 5895 | XPUSHs(dstr); |
93f04dac JH |
5896 | /* The rx->minlen is in characters but we want to step |
5897 | * s ahead by bytes. */ | |
792b2c16 | 5898 | s = m + (do_utf8 ? SvCUR(csv) : len); |
a0d0e21e LW |
5899 | } |
5900 | } | |
5901 | else { | |
5902 | #ifndef lint | |
5903 | while (s < strend && --limit && | |
f722798b IZ |
5904 | (m = fbm_instr((unsigned char*)s, (unsigned char*)strend, |
5905 | csv, PL_multiline ? FBMrf_MULTILINE : 0)) ) | |
79072805 | 5906 | #endif |
a0d0e21e LW |
5907 | { |
5908 | dstr = NEWSV(31, m-s); | |
5909 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5910 | if (make_mortal) |
a0d0e21e | 5911 | sv_2mortal(dstr); |
792b2c16 | 5912 | if (do_utf8) |
28cb3359 | 5913 | (void)SvUTF8_on(dstr); |
a0d0e21e | 5914 | XPUSHs(dstr); |
93f04dac JH |
5915 | /* The rx->minlen is in characters but we want to step |
5916 | * s ahead by bytes. */ | |
792b2c16 | 5917 | s = m + (do_utf8 ? SvCUR(csv) : len); /* Fake \n at the end */ |
a0d0e21e | 5918 | } |
463ee0b2 | 5919 | } |
463ee0b2 | 5920 | } |
a0d0e21e | 5921 | else { |
792b2c16 | 5922 | maxiters += slen * rx->nparens; |
f722798b | 5923 | while (s < strend && --limit |
b13b2135 | 5924 | /* && (!rx->check_substr |
f722798b IZ |
5925 | || ((s = CALLREG_INTUIT_START(aTHX_ rx, sv, s, strend, |
5926 | 0, NULL)))) | |
5927 | */ && CALLREGEXEC(aTHX_ rx, s, strend, orig, | |
5928 | 1 /* minend */, sv, NULL, 0)) | |
bbce6d69 | 5929 | { |
d9f97599 | 5930 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
cf93c79d | 5931 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
a0d0e21e LW |
5932 | m = s; |
5933 | s = orig; | |
cf93c79d | 5934 | orig = rx->subbeg; |
a0d0e21e LW |
5935 | s = orig + (m - s); |
5936 | strend = s + (strend - m); | |
5937 | } | |
cf93c79d | 5938 | m = rx->startp[0] + orig; |
a0d0e21e LW |
5939 | dstr = NEWSV(32, m-s); |
5940 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5941 | if (make_mortal) |
a0d0e21e | 5942 | sv_2mortal(dstr); |
792b2c16 | 5943 | if (do_utf8) |
28cb3359 | 5944 | (void)SvUTF8_on(dstr); |
a0d0e21e | 5945 | XPUSHs(dstr); |
d9f97599 GS |
5946 | if (rx->nparens) { |
5947 | for (i = 1; i <= rx->nparens; i++) { | |
cf93c79d IZ |
5948 | s = rx->startp[i] + orig; |
5949 | m = rx->endp[i] + orig; | |
748a9306 LW |
5950 | if (m && s) { |
5951 | dstr = NEWSV(33, m-s); | |
5952 | sv_setpvn(dstr, s, m-s); | |
5953 | } | |
5954 | else | |
5955 | dstr = NEWSV(33, 0); | |
8ec5e241 | 5956 | if (make_mortal) |
a0d0e21e | 5957 | sv_2mortal(dstr); |
792b2c16 | 5958 | if (do_utf8) |
28cb3359 | 5959 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
5960 | XPUSHs(dstr); |
5961 | } | |
5962 | } | |
cf93c79d | 5963 | s = rx->endp[0] + orig; |
a0d0e21e | 5964 | } |
79072805 | 5965 | } |
8ec5e241 | 5966 | |
c07a80fd | 5967 | LEAVE_SCOPE(oldsave); |
3280af22 | 5968 | iters = (SP - PL_stack_base) - base; |
a0d0e21e | 5969 | if (iters > maxiters) |
cea2e8a9 | 5970 | DIE(aTHX_ "Split loop"); |
8ec5e241 | 5971 | |
a0d0e21e LW |
5972 | /* keep field after final delim? */ |
5973 | if (s < strend || (iters && origlimit)) { | |
93f04dac JH |
5974 | STRLEN l = strend - s; |
5975 | dstr = NEWSV(34, l); | |
5976 | sv_setpvn(dstr, s, l); | |
8ec5e241 | 5977 | if (make_mortal) |
a0d0e21e | 5978 | sv_2mortal(dstr); |
792b2c16 | 5979 | if (do_utf8) |
28cb3359 | 5980 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
5981 | XPUSHs(dstr); |
5982 | iters++; | |
79072805 | 5983 | } |
a0d0e21e | 5984 | else if (!origlimit) { |
b1dadf13 | 5985 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e LW |
5986 | iters--, SP--; |
5987 | } | |
8ec5e241 | 5988 | |
a0d0e21e | 5989 | if (realarray) { |
8ec5e241 | 5990 | if (!mg) { |
1c0b011c NIS |
5991 | SWITCHSTACK(ary, oldstack); |
5992 | if (SvSMAGICAL(ary)) { | |
5993 | PUTBACK; | |
5994 | mg_set((SV*)ary); | |
5995 | SPAGAIN; | |
5996 | } | |
5997 | if (gimme == G_ARRAY) { | |
5998 | EXTEND(SP, iters); | |
5999 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
6000 | SP += iters; | |
6001 | RETURN; | |
6002 | } | |
8ec5e241 | 6003 | } |
1c0b011c | 6004 | else { |
fb73857a | 6005 | PUTBACK; |
8ec5e241 | 6006 | ENTER; |
864dbfa3 | 6007 | call_method("PUSH",G_SCALAR|G_DISCARD); |
8ec5e241 | 6008 | LEAVE; |
fb73857a | 6009 | SPAGAIN; |
8ec5e241 NIS |
6010 | if (gimme == G_ARRAY) { |
6011 | /* EXTEND should not be needed - we just popped them */ | |
6012 | EXTEND(SP, iters); | |
6013 | for (i=0; i < iters; i++) { | |
6014 | SV **svp = av_fetch(ary, i, FALSE); | |
3280af22 | 6015 | PUSHs((svp) ? *svp : &PL_sv_undef); |
8ec5e241 | 6016 | } |
1c0b011c NIS |
6017 | RETURN; |
6018 | } | |
a0d0e21e LW |
6019 | } |
6020 | } | |
6021 | else { | |
6022 | if (gimme == G_ARRAY) | |
6023 | RETURN; | |
6024 | } | |
6025 | if (iters || !pm->op_pmreplroot) { | |
6026 | GETTARGET; | |
6027 | PUSHi(iters); | |
6028 | RETURN; | |
6029 | } | |
6030 | RETPUSHUNDEF; | |
79072805 | 6031 | } |
85e6fe83 | 6032 | |
c0329465 | 6033 | #ifdef USE_THREADS |
77a005ab | 6034 | void |
864dbfa3 | 6035 | Perl_unlock_condpair(pTHX_ void *svv) |
c0329465 | 6036 | { |
c0329465 | 6037 | MAGIC *mg = mg_find((SV*)svv, 'm'); |
8ec5e241 | 6038 | |
c0329465 | 6039 | if (!mg) |
cea2e8a9 | 6040 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking non-mutex"); |
c0329465 MB |
6041 | MUTEX_LOCK(MgMUTEXP(mg)); |
6042 | if (MgOWNER(mg) != thr) | |
cea2e8a9 | 6043 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking mutex that we don't own"); |
c0329465 MB |
6044 | MgOWNER(mg) = 0; |
6045 | COND_SIGNAL(MgOWNERCONDP(mg)); | |
b900a521 JH |
6046 | DEBUG_S(PerlIO_printf(Perl_debug_log, "0x%"UVxf": unlock 0x%"UVxf"\n", |
6047 | PTR2UV(thr), PTR2UV(svv));) | |
c0329465 MB |
6048 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
6049 | } | |
6050 | #endif /* USE_THREADS */ | |
6051 | ||
6052 | PP(pp_lock) | |
6053 | { | |
4e35701f | 6054 | djSP; |
c0329465 | 6055 | dTOPss; |
e55aaa0e MB |
6056 | SV *retsv = sv; |
6057 | #ifdef USE_THREADS | |
4755096e | 6058 | sv_lock(sv); |
c0329465 | 6059 | #endif /* USE_THREADS */ |
e55aaa0e MB |
6060 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
6061 | || SvTYPE(retsv) == SVt_PVCV) { | |
6062 | retsv = refto(retsv); | |
6063 | } | |
6064 | SETs(retsv); | |
c0329465 MB |
6065 | RETURN; |
6066 | } | |
a863c7d1 | 6067 | |
2faa37cc | 6068 | PP(pp_threadsv) |
a863c7d1 | 6069 | { |
57d3b86d | 6070 | #ifdef USE_THREADS |
155aba94 | 6071 | djSP; |
924508f0 | 6072 | EXTEND(SP, 1); |
533c011a NIS |
6073 | if (PL_op->op_private & OPpLVAL_INTRO) |
6074 | PUSHs(*save_threadsv(PL_op->op_targ)); | |
554b3eca | 6075 | else |
533c011a | 6076 | PUSHs(THREADSV(PL_op->op_targ)); |
fdb47d66 | 6077 | RETURN; |
a863c7d1 | 6078 | #else |
cea2e8a9 | 6079 | DIE(aTHX_ "tried to access per-thread data in non-threaded perl"); |
a863c7d1 | 6080 | #endif /* USE_THREADS */ |
a863c7d1 | 6081 | } |