Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
bc89e66f | 3 | * Copyright (c) 1991-2001, 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; |
9b877dbb | 1205 | bool isutf; |
a0d0e21e | 1206 | |
a0d0e21e LW |
1207 | SvSetSV(TARG, tmpstr); |
1208 | SvPV_force(TARG, len); | |
9b877dbb | 1209 | isutf = DO_UTF8(TARG); |
8ebc5c01 | 1210 | if (count != 1) { |
1211 | if (count < 1) | |
1212 | SvCUR_set(TARG, 0); | |
1213 | else { | |
1214 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1215 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1216 | SvCUR(TARG) *= count; |
7a4c00b4 | 1217 | } |
a0d0e21e | 1218 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1219 | } |
dfcb284a GS |
1220 | if (isutf) |
1221 | (void)SvPOK_only_UTF8(TARG); | |
1222 | else | |
1223 | (void)SvPOK_only(TARG); | |
a0d0e21e | 1224 | PUSHTARG; |
79072805 | 1225 | } |
a0d0e21e | 1226 | RETURN; |
748a9306 | 1227 | } |
a0d0e21e | 1228 | } |
79072805 | 1229 | |
a0d0e21e LW |
1230 | PP(pp_subtract) |
1231 | { | |
28e5dec8 JH |
1232 | djSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
1233 | useleft = USE_LEFT(TOPm1s); | |
1234 | #ifdef PERL_PRESERVE_IVUV | |
1235 | /* We must see if we can perform the addition with integers if possible, | |
1236 | as the integer code detects overflow while the NV code doesn't. | |
1237 | If either argument hasn't had a numeric conversion yet attempt to get | |
1238 | the IV. It's important to do this now, rather than just assuming that | |
1239 | it's not IOK as a PV of "9223372036854775806" may not take well to NV | |
1240 | addition, and an SV which is NOK, NV=6.0 ought to be coerced to | |
1241 | integer in case the second argument is IV=9223372036854775806 | |
1242 | We can (now) rely on sv_2iv to do the right thing, only setting the | |
1243 | public IOK flag if the value in the NV (or PV) slot is truly integer. | |
1244 | ||
1245 | A side effect is that this also aggressively prefers integer maths over | |
1246 | fp maths for integer values. */ | |
1247 | SvIV_please(TOPs); | |
1248 | if (SvIOK(TOPs)) { | |
1249 | /* Unless the left argument is integer in range we are going to have to | |
1250 | use NV maths. Hence only attempt to coerce the right argument if | |
1251 | we know the left is integer. */ | |
1252 | if (!useleft) { | |
1253 | /* left operand is undef, treat as zero. + 0 is identity. */ | |
1254 | if (SvUOK(TOPs)) { | |
1255 | dPOPuv; /* Scary macros. Lets put a sequence point (;) here */ | |
1256 | if (value <= (UV)IV_MIN) { | |
1257 | /* 2s complement assumption. */ | |
1258 | SETi(-(IV)value); | |
1259 | RETURN; | |
1260 | } /* else drop through into NVs below */ | |
1261 | } else { | |
1262 | dPOPiv; | |
1263 | SETu((UV)-value); | |
1264 | RETURN; | |
1265 | } | |
1266 | } else { | |
1267 | /* Left operand is defined, so is it IV? */ | |
1268 | SvIV_please(TOPm1s); | |
1269 | if (SvIOK(TOPm1s)) { | |
1270 | bool auvok = SvUOK(TOPm1s); | |
1271 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1272 | |
28e5dec8 JH |
1273 | if (!auvok && !buvok) { /* ## IV - IV ## */ |
1274 | IV aiv = SvIVX(TOPm1s); | |
1275 | IV biv = SvIVX(TOPs); | |
1276 | IV result = aiv - biv; | |
1277 | ||
1278 | if (biv >= 0 ? (result < aiv) : (result >= aiv)) { | |
1279 | SP--; | |
1280 | SETi( result ); | |
1281 | RETURN; | |
1282 | } | |
1283 | /* +ve - +ve can't overflow. (worst case 0 - IV_MAX) */ | |
1284 | /* -ve - -ve can't overflow. (worst case -1 - IV_MIN) */ | |
1285 | /* -ve - +ve can only overflow too negative. */ | |
1286 | /* leaving +ve - -ve, which will go UV */ | |
1287 | if (aiv >= 0 && biv < 0) { /* assert don't need biv <0 */ | |
1288 | /* 2s complement assumption for IV_MIN */ | |
1289 | UV result = (UV)aiv + (UV)-biv; | |
1290 | /* UV + UV must get bigger. +ve IV + +ve IV +1 can't | |
1291 | overflow UV (2s complement assumption */ | |
1292 | assert (result >= (UV) aiv); | |
1293 | SP--; | |
1294 | SETu( result ); | |
1295 | RETURN; | |
1296 | } | |
1297 | /* Overflow, drop through to NVs */ | |
1298 | } else if (auvok && buvok) { /* ## UV - UV ## */ | |
1299 | UV auv = SvUVX(TOPm1s); | |
1300 | UV buv = SvUVX(TOPs); | |
1301 | IV result; | |
a227d84d | 1302 | |
28e5dec8 JH |
1303 | if (auv >= buv) { |
1304 | SP--; | |
1305 | SETu( auv - buv ); | |
1306 | RETURN; | |
1307 | } | |
1308 | /* Blatant 2s complement assumption. */ | |
1309 | result = (IV)(auv - buv); | |
1310 | if (result < 0) { | |
1311 | SP--; | |
1312 | SETi( result ); | |
1313 | RETURN; | |
1314 | } | |
1315 | /* Overflow on IV - IV, drop through to NVs */ | |
1316 | } else if (auvok) { /* ## Mixed UV - IV ## */ | |
1317 | UV auv = SvUVX(TOPm1s); | |
1318 | IV biv = SvIVX(TOPs); | |
1319 | ||
1320 | if (biv < 0) { | |
1321 | /* 2s complement assumptions for IV_MIN */ | |
1322 | UV result = auv + ((UV)-biv); | |
1323 | /* UV + UV can only get bigger... */ | |
1324 | if (result >= auv) { | |
1325 | SP--; | |
1326 | SETu( result ); | |
1327 | RETURN; | |
1328 | } | |
1329 | /* and if it gets too big for UV then it's NV time. */ | |
1330 | } else if (auv > (UV)IV_MAX) { | |
1331 | /* I think I'm making an implicit 2s complement | |
1332 | assumption that IV_MIN == -IV_MAX - 1 */ | |
1333 | /* biv is >= 0 */ | |
1334 | UV result = auv - (UV)biv; | |
1335 | assert (result <= auv); | |
1336 | SP--; | |
1337 | SETu( result ); | |
1338 | RETURN; | |
1339 | } else { | |
1340 | /* biv is >= 0 */ | |
1341 | IV result = (IV)auv - biv; | |
1342 | assert (result <= (IV)auv); | |
1343 | SP--; | |
1344 | SETi( result ); | |
1345 | RETURN; | |
1346 | } | |
1347 | } else { /* ## Mixed IV - UV ## */ | |
1348 | IV aiv = SvIVX(TOPm1s); | |
1349 | UV buv = SvUVX(TOPs); | |
1350 | IV result = aiv - (IV)buv; /* 2s complement assumption. */ | |
1351 | ||
1352 | /* result must not get larger. */ | |
1353 | if (result <= aiv) { | |
1354 | SP--; | |
1355 | SETi( result ); | |
1356 | RETURN; | |
1357 | } /* end of IV-IV / UV-UV / UV-IV / IV-UV */ | |
1358 | } | |
1359 | } | |
1360 | } | |
1361 | } | |
1362 | #endif | |
a0d0e21e | 1363 | { |
28e5dec8 JH |
1364 | dPOPnv; |
1365 | if (!useleft) { | |
1366 | /* left operand is undef, treat as zero - value */ | |
1367 | SETn(-value); | |
1368 | RETURN; | |
1369 | } | |
1370 | SETn( TOPn - value ); | |
1371 | RETURN; | |
79072805 | 1372 | } |
a0d0e21e | 1373 | } |
79072805 | 1374 | |
a0d0e21e LW |
1375 | PP(pp_left_shift) |
1376 | { | |
8ec5e241 | 1377 | djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1378 | { |
972b05a9 | 1379 | IV shift = POPi; |
d0ba1bd2 | 1380 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1381 | IV i = TOPi; |
1382 | SETi(i << shift); | |
d0ba1bd2 JH |
1383 | } |
1384 | else { | |
972b05a9 JH |
1385 | UV u = TOPu; |
1386 | SETu(u << shift); | |
d0ba1bd2 | 1387 | } |
55497cff | 1388 | RETURN; |
79072805 | 1389 | } |
a0d0e21e | 1390 | } |
79072805 | 1391 | |
a0d0e21e LW |
1392 | PP(pp_right_shift) |
1393 | { | |
8ec5e241 | 1394 | djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1395 | { |
972b05a9 | 1396 | IV shift = POPi; |
d0ba1bd2 | 1397 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1398 | IV i = TOPi; |
1399 | SETi(i >> shift); | |
d0ba1bd2 JH |
1400 | } |
1401 | else { | |
972b05a9 JH |
1402 | UV u = TOPu; |
1403 | SETu(u >> shift); | |
d0ba1bd2 | 1404 | } |
a0d0e21e | 1405 | RETURN; |
93a17b20 | 1406 | } |
79072805 LW |
1407 | } |
1408 | ||
a0d0e21e | 1409 | PP(pp_lt) |
79072805 | 1410 | { |
8ec5e241 | 1411 | djSP; tryAMAGICbinSET(lt,0); |
28e5dec8 JH |
1412 | #ifdef PERL_PRESERVE_IVUV |
1413 | SvIV_please(TOPs); | |
1414 | if (SvIOK(TOPs)) { | |
1415 | SvIV_please(TOPm1s); | |
1416 | if (SvIOK(TOPm1s)) { | |
1417 | bool auvok = SvUOK(TOPm1s); | |
1418 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1419 | |
28e5dec8 JH |
1420 | if (!auvok && !buvok) { /* ## IV < IV ## */ |
1421 | IV aiv = SvIVX(TOPm1s); | |
1422 | IV biv = SvIVX(TOPs); | |
1423 | ||
1424 | SP--; | |
1425 | SETs(boolSV(aiv < biv)); | |
1426 | RETURN; | |
1427 | } | |
1428 | if (auvok && buvok) { /* ## UV < UV ## */ | |
1429 | UV auv = SvUVX(TOPm1s); | |
1430 | UV buv = SvUVX(TOPs); | |
1431 | ||
1432 | SP--; | |
1433 | SETs(boolSV(auv < buv)); | |
1434 | RETURN; | |
1435 | } | |
1436 | if (auvok) { /* ## UV < IV ## */ | |
1437 | UV auv; | |
1438 | IV biv; | |
1439 | ||
1440 | biv = SvIVX(TOPs); | |
1441 | SP--; | |
1442 | if (biv < 0) { | |
1443 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1444 | SETs(&PL_sv_no); | |
1445 | RETURN; | |
1446 | } | |
1447 | auv = SvUVX(TOPs); | |
1448 | if (auv >= (UV) IV_MAX) { | |
1449 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1450 | SETs(&PL_sv_no); | |
1451 | RETURN; | |
1452 | } | |
1453 | SETs(boolSV(auv < (UV)biv)); | |
1454 | RETURN; | |
1455 | } | |
1456 | { /* ## IV < UV ## */ | |
1457 | IV aiv; | |
1458 | UV buv; | |
1459 | ||
1460 | aiv = SvIVX(TOPm1s); | |
1461 | if (aiv < 0) { | |
1462 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1463 | SP--; | |
1464 | SETs(&PL_sv_yes); | |
1465 | RETURN; | |
1466 | } | |
1467 | buv = SvUVX(TOPs); | |
1468 | SP--; | |
1469 | if (buv > (UV) IV_MAX) { | |
1470 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1471 | SETs(&PL_sv_yes); | |
1472 | RETURN; | |
1473 | } | |
1474 | SETs(boolSV((UV)aiv < buv)); | |
1475 | RETURN; | |
1476 | } | |
1477 | } | |
1478 | } | |
1479 | #endif | |
a0d0e21e LW |
1480 | { |
1481 | dPOPnv; | |
54310121 | 1482 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1483 | RETURN; |
79072805 | 1484 | } |
a0d0e21e | 1485 | } |
79072805 | 1486 | |
a0d0e21e LW |
1487 | PP(pp_gt) |
1488 | { | |
8ec5e241 | 1489 | djSP; tryAMAGICbinSET(gt,0); |
28e5dec8 JH |
1490 | #ifdef PERL_PRESERVE_IVUV |
1491 | SvIV_please(TOPs); | |
1492 | if (SvIOK(TOPs)) { | |
1493 | SvIV_please(TOPm1s); | |
1494 | if (SvIOK(TOPm1s)) { | |
1495 | bool auvok = SvUOK(TOPm1s); | |
1496 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1497 | |
28e5dec8 JH |
1498 | if (!auvok && !buvok) { /* ## IV > IV ## */ |
1499 | IV aiv = SvIVX(TOPm1s); | |
1500 | IV biv = SvIVX(TOPs); | |
1501 | ||
1502 | SP--; | |
1503 | SETs(boolSV(aiv > biv)); | |
1504 | RETURN; | |
1505 | } | |
1506 | if (auvok && buvok) { /* ## UV > UV ## */ | |
1507 | UV auv = SvUVX(TOPm1s); | |
1508 | UV buv = SvUVX(TOPs); | |
1509 | ||
1510 | SP--; | |
1511 | SETs(boolSV(auv > buv)); | |
1512 | RETURN; | |
1513 | } | |
1514 | if (auvok) { /* ## UV > IV ## */ | |
1515 | UV auv; | |
1516 | IV biv; | |
1517 | ||
1518 | biv = SvIVX(TOPs); | |
1519 | SP--; | |
1520 | if (biv < 0) { | |
1521 | /* As (a) is a UV, it's >=0, so it must be > */ | |
1522 | SETs(&PL_sv_yes); | |
1523 | RETURN; | |
1524 | } | |
1525 | auv = SvUVX(TOPs); | |
1526 | if (auv > (UV) IV_MAX) { | |
1527 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1528 | SETs(&PL_sv_yes); | |
1529 | RETURN; | |
1530 | } | |
1531 | SETs(boolSV(auv > (UV)biv)); | |
1532 | RETURN; | |
1533 | } | |
1534 | { /* ## IV > UV ## */ | |
1535 | IV aiv; | |
1536 | UV buv; | |
1537 | ||
1538 | aiv = SvIVX(TOPm1s); | |
1539 | if (aiv < 0) { | |
1540 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
1541 | SP--; | |
1542 | SETs(&PL_sv_no); | |
1543 | RETURN; | |
1544 | } | |
1545 | buv = SvUVX(TOPs); | |
1546 | SP--; | |
1547 | if (buv >= (UV) IV_MAX) { | |
1548 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1549 | SETs(&PL_sv_no); | |
1550 | RETURN; | |
1551 | } | |
1552 | SETs(boolSV((UV)aiv > buv)); | |
1553 | RETURN; | |
1554 | } | |
1555 | } | |
1556 | } | |
1557 | #endif | |
a0d0e21e LW |
1558 | { |
1559 | dPOPnv; | |
54310121 | 1560 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1561 | RETURN; |
79072805 | 1562 | } |
a0d0e21e LW |
1563 | } |
1564 | ||
1565 | PP(pp_le) | |
1566 | { | |
8ec5e241 | 1567 | djSP; tryAMAGICbinSET(le,0); |
28e5dec8 JH |
1568 | #ifdef PERL_PRESERVE_IVUV |
1569 | SvIV_please(TOPs); | |
1570 | if (SvIOK(TOPs)) { | |
1571 | SvIV_please(TOPm1s); | |
1572 | if (SvIOK(TOPm1s)) { | |
1573 | bool auvok = SvUOK(TOPm1s); | |
1574 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1575 | |
28e5dec8 JH |
1576 | if (!auvok && !buvok) { /* ## IV <= IV ## */ |
1577 | IV aiv = SvIVX(TOPm1s); | |
1578 | IV biv = SvIVX(TOPs); | |
1579 | ||
1580 | SP--; | |
1581 | SETs(boolSV(aiv <= biv)); | |
1582 | RETURN; | |
1583 | } | |
1584 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
1585 | UV auv = SvUVX(TOPm1s); | |
1586 | UV buv = SvUVX(TOPs); | |
1587 | ||
1588 | SP--; | |
1589 | SETs(boolSV(auv <= buv)); | |
1590 | RETURN; | |
1591 | } | |
1592 | if (auvok) { /* ## UV <= IV ## */ | |
1593 | UV auv; | |
1594 | IV biv; | |
1595 | ||
1596 | biv = SvIVX(TOPs); | |
1597 | SP--; | |
1598 | if (biv < 0) { | |
1599 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
1600 | SETs(&PL_sv_no); | |
1601 | RETURN; | |
1602 | } | |
1603 | auv = SvUVX(TOPs); | |
1604 | if (auv > (UV) IV_MAX) { | |
1605 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1606 | SETs(&PL_sv_no); | |
1607 | RETURN; | |
1608 | } | |
1609 | SETs(boolSV(auv <= (UV)biv)); | |
1610 | RETURN; | |
1611 | } | |
1612 | { /* ## IV <= UV ## */ | |
1613 | IV aiv; | |
1614 | UV buv; | |
1615 | ||
1616 | aiv = SvIVX(TOPm1s); | |
1617 | if (aiv < 0) { | |
1618 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
1619 | SP--; | |
1620 | SETs(&PL_sv_yes); | |
1621 | RETURN; | |
1622 | } | |
1623 | buv = SvUVX(TOPs); | |
1624 | SP--; | |
1625 | if (buv >= (UV) IV_MAX) { | |
1626 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1627 | SETs(&PL_sv_yes); | |
1628 | RETURN; | |
1629 | } | |
1630 | SETs(boolSV((UV)aiv <= buv)); | |
1631 | RETURN; | |
1632 | } | |
1633 | } | |
1634 | } | |
1635 | #endif | |
a0d0e21e LW |
1636 | { |
1637 | dPOPnv; | |
54310121 | 1638 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1639 | RETURN; |
79072805 | 1640 | } |
a0d0e21e LW |
1641 | } |
1642 | ||
1643 | PP(pp_ge) | |
1644 | { | |
8ec5e241 | 1645 | djSP; tryAMAGICbinSET(ge,0); |
28e5dec8 JH |
1646 | #ifdef PERL_PRESERVE_IVUV |
1647 | SvIV_please(TOPs); | |
1648 | if (SvIOK(TOPs)) { | |
1649 | SvIV_please(TOPm1s); | |
1650 | if (SvIOK(TOPm1s)) { | |
1651 | bool auvok = SvUOK(TOPm1s); | |
1652 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1653 | |
28e5dec8 JH |
1654 | if (!auvok && !buvok) { /* ## IV >= IV ## */ |
1655 | IV aiv = SvIVX(TOPm1s); | |
1656 | IV biv = SvIVX(TOPs); | |
1657 | ||
1658 | SP--; | |
1659 | SETs(boolSV(aiv >= biv)); | |
1660 | RETURN; | |
1661 | } | |
1662 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
1663 | UV auv = SvUVX(TOPm1s); | |
1664 | UV buv = SvUVX(TOPs); | |
1665 | ||
1666 | SP--; | |
1667 | SETs(boolSV(auv >= buv)); | |
1668 | RETURN; | |
1669 | } | |
1670 | if (auvok) { /* ## UV >= IV ## */ | |
1671 | UV auv; | |
1672 | IV biv; | |
1673 | ||
1674 | biv = SvIVX(TOPs); | |
1675 | SP--; | |
1676 | if (biv < 0) { | |
1677 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
1678 | SETs(&PL_sv_yes); | |
1679 | RETURN; | |
1680 | } | |
1681 | auv = SvUVX(TOPs); | |
1682 | if (auv >= (UV) IV_MAX) { | |
1683 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1684 | SETs(&PL_sv_yes); | |
1685 | RETURN; | |
1686 | } | |
1687 | SETs(boolSV(auv >= (UV)biv)); | |
1688 | RETURN; | |
1689 | } | |
1690 | { /* ## IV >= UV ## */ | |
1691 | IV aiv; | |
1692 | UV buv; | |
1693 | ||
1694 | aiv = SvIVX(TOPm1s); | |
1695 | if (aiv < 0) { | |
1696 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
1697 | SP--; | |
1698 | SETs(&PL_sv_no); | |
1699 | RETURN; | |
1700 | } | |
1701 | buv = SvUVX(TOPs); | |
1702 | SP--; | |
1703 | if (buv > (UV) IV_MAX) { | |
1704 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1705 | SETs(&PL_sv_no); | |
1706 | RETURN; | |
1707 | } | |
1708 | SETs(boolSV((UV)aiv >= buv)); | |
1709 | RETURN; | |
1710 | } | |
1711 | } | |
1712 | } | |
1713 | #endif | |
a0d0e21e LW |
1714 | { |
1715 | dPOPnv; | |
54310121 | 1716 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1717 | RETURN; |
79072805 | 1718 | } |
a0d0e21e | 1719 | } |
79072805 | 1720 | |
a0d0e21e LW |
1721 | PP(pp_ne) |
1722 | { | |
8ec5e241 | 1723 | djSP; tryAMAGICbinSET(ne,0); |
28e5dec8 JH |
1724 | #ifdef PERL_PRESERVE_IVUV |
1725 | SvIV_please(TOPs); | |
1726 | if (SvIOK(TOPs)) { | |
1727 | SvIV_please(TOPm1s); | |
1728 | if (SvIOK(TOPm1s)) { | |
1729 | bool auvok = SvUOK(TOPm1s); | |
1730 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1731 | |
28e5dec8 JH |
1732 | if (!auvok && !buvok) { /* ## IV <=> IV ## */ |
1733 | IV aiv = SvIVX(TOPm1s); | |
1734 | IV biv = SvIVX(TOPs); | |
1735 | ||
1736 | SP--; | |
1737 | SETs(boolSV(aiv != biv)); | |
1738 | RETURN; | |
1739 | } | |
1740 | if (auvok && buvok) { /* ## UV != UV ## */ | |
1741 | UV auv = SvUVX(TOPm1s); | |
1742 | UV buv = SvUVX(TOPs); | |
1743 | ||
1744 | SP--; | |
1745 | SETs(boolSV(auv != buv)); | |
1746 | RETURN; | |
1747 | } | |
1748 | { /* ## Mixed IV,UV ## */ | |
1749 | IV iv; | |
1750 | UV uv; | |
1751 | ||
1752 | /* != is commutative so swap if needed (save code) */ | |
1753 | if (auvok) { | |
1754 | /* swap. top of stack (b) is the iv */ | |
1755 | iv = SvIVX(TOPs); | |
1756 | SP--; | |
1757 | if (iv < 0) { | |
1758 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
1759 | SETs(&PL_sv_yes); | |
1760 | RETURN; | |
1761 | } | |
1762 | uv = SvUVX(TOPs); | |
1763 | } else { | |
1764 | iv = SvIVX(TOPm1s); | |
1765 | SP--; | |
1766 | if (iv < 0) { | |
1767 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
1768 | SETs(&PL_sv_yes); | |
1769 | RETURN; | |
1770 | } | |
1771 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
1772 | } | |
1773 | /* we know iv is >= 0 */ | |
1774 | if (uv > (UV) IV_MAX) { | |
1775 | SETs(&PL_sv_yes); | |
1776 | RETURN; | |
1777 | } | |
1778 | SETs(boolSV((UV)iv != uv)); | |
1779 | RETURN; | |
1780 | } | |
1781 | } | |
1782 | } | |
1783 | #endif | |
a0d0e21e LW |
1784 | { |
1785 | dPOPnv; | |
54310121 | 1786 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1787 | RETURN; |
1788 | } | |
79072805 LW |
1789 | } |
1790 | ||
a0d0e21e | 1791 | PP(pp_ncmp) |
79072805 | 1792 | { |
8ec5e241 | 1793 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
28e5dec8 JH |
1794 | #ifdef PERL_PRESERVE_IVUV |
1795 | /* Fortunately it seems NaN isn't IOK */ | |
1796 | SvIV_please(TOPs); | |
1797 | if (SvIOK(TOPs)) { | |
1798 | SvIV_please(TOPm1s); | |
1799 | if (SvIOK(TOPm1s)) { | |
1800 | bool leftuvok = SvUOK(TOPm1s); | |
1801 | bool rightuvok = SvUOK(TOPs); | |
1802 | I32 value; | |
1803 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
1804 | IV leftiv = SvIVX(TOPm1s); | |
1805 | IV rightiv = SvIVX(TOPs); | |
1806 | ||
1807 | if (leftiv > rightiv) | |
1808 | value = 1; | |
1809 | else if (leftiv < rightiv) | |
1810 | value = -1; | |
1811 | else | |
1812 | value = 0; | |
1813 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
1814 | UV leftuv = SvUVX(TOPm1s); | |
1815 | UV rightuv = SvUVX(TOPs); | |
1816 | ||
1817 | if (leftuv > rightuv) | |
1818 | value = 1; | |
1819 | else if (leftuv < rightuv) | |
1820 | value = -1; | |
1821 | else | |
1822 | value = 0; | |
1823 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
1824 | UV leftuv; | |
1825 | IV rightiv; | |
1826 | ||
1827 | rightiv = SvIVX(TOPs); | |
1828 | if (rightiv < 0) { | |
1829 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1830 | value = 1; | |
1831 | } else { | |
1832 | leftuv = SvUVX(TOPm1s); | |
1833 | if (leftuv > (UV) IV_MAX) { | |
1834 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1835 | value = 1; | |
1836 | } else if (leftuv > (UV)rightiv) { | |
1837 | value = 1; | |
1838 | } else if (leftuv < (UV)rightiv) { | |
1839 | value = -1; | |
1840 | } else { | |
1841 | value = 0; | |
1842 | } | |
1843 | } | |
1844 | } else { /* ## IV <=> UV ## */ | |
1845 | IV leftiv; | |
1846 | UV rightuv; | |
1847 | ||
1848 | leftiv = SvIVX(TOPm1s); | |
1849 | if (leftiv < 0) { | |
1850 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1851 | value = -1; | |
1852 | } else { | |
1853 | rightuv = SvUVX(TOPs); | |
1854 | if (rightuv > (UV) IV_MAX) { | |
1855 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1856 | value = -1; | |
1857 | } else if (leftiv > (UV)rightuv) { | |
1858 | value = 1; | |
1859 | } else if (leftiv < (UV)rightuv) { | |
1860 | value = -1; | |
1861 | } else { | |
1862 | value = 0; | |
1863 | } | |
1864 | } | |
1865 | } | |
1866 | SP--; | |
1867 | SETi(value); | |
1868 | RETURN; | |
1869 | } | |
1870 | } | |
1871 | #endif | |
a0d0e21e LW |
1872 | { |
1873 | dPOPTOPnnrl; | |
1874 | I32 value; | |
79072805 | 1875 | |
a3540c92 | 1876 | #ifdef Perl_isnan |
1ad04cfd JH |
1877 | if (Perl_isnan(left) || Perl_isnan(right)) { |
1878 | SETs(&PL_sv_undef); | |
1879 | RETURN; | |
1880 | } | |
1881 | value = (left > right) - (left < right); | |
1882 | #else | |
ff0cee69 | 1883 | if (left == right) |
a0d0e21e | 1884 | value = 0; |
a0d0e21e LW |
1885 | else if (left < right) |
1886 | value = -1; | |
44a8e56a | 1887 | else if (left > right) |
1888 | value = 1; | |
1889 | else { | |
3280af22 | 1890 | SETs(&PL_sv_undef); |
44a8e56a | 1891 | RETURN; |
1892 | } | |
1ad04cfd | 1893 | #endif |
a0d0e21e LW |
1894 | SETi(value); |
1895 | RETURN; | |
79072805 | 1896 | } |
a0d0e21e | 1897 | } |
79072805 | 1898 | |
a0d0e21e LW |
1899 | PP(pp_slt) |
1900 | { | |
8ec5e241 | 1901 | djSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1902 | { |
1903 | dPOPTOPssrl; | |
533c011a | 1904 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1905 | ? sv_cmp_locale(left, right) |
1906 | : sv_cmp(left, right)); | |
54310121 | 1907 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1908 | RETURN; |
1909 | } | |
79072805 LW |
1910 | } |
1911 | ||
a0d0e21e | 1912 | PP(pp_sgt) |
79072805 | 1913 | { |
8ec5e241 | 1914 | djSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1915 | { |
1916 | dPOPTOPssrl; | |
533c011a | 1917 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1918 | ? sv_cmp_locale(left, right) |
1919 | : sv_cmp(left, right)); | |
54310121 | 1920 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1921 | RETURN; |
1922 | } | |
1923 | } | |
79072805 | 1924 | |
a0d0e21e LW |
1925 | PP(pp_sle) |
1926 | { | |
8ec5e241 | 1927 | djSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1928 | { |
1929 | dPOPTOPssrl; | |
533c011a | 1930 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1931 | ? sv_cmp_locale(left, right) |
1932 | : sv_cmp(left, right)); | |
54310121 | 1933 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1934 | RETURN; |
79072805 | 1935 | } |
79072805 LW |
1936 | } |
1937 | ||
a0d0e21e LW |
1938 | PP(pp_sge) |
1939 | { | |
8ec5e241 | 1940 | djSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1941 | { |
1942 | dPOPTOPssrl; | |
533c011a | 1943 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1944 | ? sv_cmp_locale(left, right) |
1945 | : sv_cmp(left, right)); | |
54310121 | 1946 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1947 | RETURN; |
1948 | } | |
1949 | } | |
79072805 | 1950 | |
36477c24 | 1951 | PP(pp_seq) |
1952 | { | |
8ec5e241 | 1953 | djSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1954 | { |
1955 | dPOPTOPssrl; | |
54310121 | 1956 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1957 | RETURN; |
1958 | } | |
1959 | } | |
79072805 | 1960 | |
a0d0e21e | 1961 | PP(pp_sne) |
79072805 | 1962 | { |
8ec5e241 | 1963 | djSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1964 | { |
1965 | dPOPTOPssrl; | |
54310121 | 1966 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1967 | RETURN; |
463ee0b2 | 1968 | } |
79072805 LW |
1969 | } |
1970 | ||
a0d0e21e | 1971 | PP(pp_scmp) |
79072805 | 1972 | { |
4e35701f | 1973 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1974 | { |
1975 | dPOPTOPssrl; | |
533c011a | 1976 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1977 | ? sv_cmp_locale(left, right) |
1978 | : sv_cmp(left, right)); | |
1979 | SETi( cmp ); | |
a0d0e21e LW |
1980 | RETURN; |
1981 | } | |
1982 | } | |
79072805 | 1983 | |
55497cff | 1984 | PP(pp_bit_and) |
1985 | { | |
8ec5e241 | 1986 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1987 | { |
1988 | dPOPTOPssrl; | |
4633a7c4 | 1989 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 1990 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1991 | IV i = SvIV(left) & SvIV(right); |
1992 | SETi(i); | |
d0ba1bd2 JH |
1993 | } |
1994 | else { | |
972b05a9 JH |
1995 | UV u = SvUV(left) & SvUV(right); |
1996 | SETu(u); | |
d0ba1bd2 | 1997 | } |
a0d0e21e LW |
1998 | } |
1999 | else { | |
533c011a | 2000 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2001 | SETTARG; |
2002 | } | |
2003 | RETURN; | |
2004 | } | |
2005 | } | |
79072805 | 2006 | |
a0d0e21e LW |
2007 | PP(pp_bit_xor) |
2008 | { | |
8ec5e241 | 2009 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
2010 | { |
2011 | dPOPTOPssrl; | |
4633a7c4 | 2012 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2013 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2014 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
2015 | SETi(i); | |
d0ba1bd2 JH |
2016 | } |
2017 | else { | |
972b05a9 JH |
2018 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
2019 | SETu(u); | |
d0ba1bd2 | 2020 | } |
a0d0e21e LW |
2021 | } |
2022 | else { | |
533c011a | 2023 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2024 | SETTARG; |
2025 | } | |
2026 | RETURN; | |
2027 | } | |
2028 | } | |
79072805 | 2029 | |
a0d0e21e LW |
2030 | PP(pp_bit_or) |
2031 | { | |
8ec5e241 | 2032 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
2033 | { |
2034 | dPOPTOPssrl; | |
4633a7c4 | 2035 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2036 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2037 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
2038 | SETi(i); | |
d0ba1bd2 JH |
2039 | } |
2040 | else { | |
972b05a9 JH |
2041 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
2042 | SETu(u); | |
d0ba1bd2 | 2043 | } |
a0d0e21e LW |
2044 | } |
2045 | else { | |
533c011a | 2046 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2047 | SETTARG; |
2048 | } | |
2049 | RETURN; | |
79072805 | 2050 | } |
a0d0e21e | 2051 | } |
79072805 | 2052 | |
a0d0e21e LW |
2053 | PP(pp_negate) |
2054 | { | |
4e35701f | 2055 | djSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
2056 | { |
2057 | dTOPss; | |
28e5dec8 | 2058 | int flags = SvFLAGS(sv); |
4633a7c4 LW |
2059 | if (SvGMAGICAL(sv)) |
2060 | mg_get(sv); | |
28e5dec8 JH |
2061 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
2062 | /* It's publicly an integer, or privately an integer-not-float */ | |
2063 | oops_its_an_int: | |
9b0e499b GS |
2064 | if (SvIsUV(sv)) { |
2065 | if (SvIVX(sv) == IV_MIN) { | |
28e5dec8 | 2066 | /* 2s complement assumption. */ |
9b0e499b GS |
2067 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
2068 | RETURN; | |
2069 | } | |
2070 | else if (SvUVX(sv) <= IV_MAX) { | |
beccb14c | 2071 | SETi(-SvIVX(sv)); |
9b0e499b GS |
2072 | RETURN; |
2073 | } | |
2074 | } | |
2075 | else if (SvIVX(sv) != IV_MIN) { | |
2076 | SETi(-SvIVX(sv)); | |
2077 | RETURN; | |
2078 | } | |
28e5dec8 JH |
2079 | #ifdef PERL_PRESERVE_IVUV |
2080 | else { | |
2081 | SETu((UV)IV_MIN); | |
2082 | RETURN; | |
2083 | } | |
2084 | #endif | |
9b0e499b GS |
2085 | } |
2086 | if (SvNIOKp(sv)) | |
a0d0e21e | 2087 | SETn(-SvNV(sv)); |
4633a7c4 | 2088 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
2089 | STRLEN len; |
2090 | char *s = SvPV(sv, len); | |
bbce6d69 | 2091 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
2092 | sv_setpvn(TARG, "-", 1); |
2093 | sv_catsv(TARG, sv); | |
79072805 | 2094 | } |
a0d0e21e LW |
2095 | else if (*s == '+' || *s == '-') { |
2096 | sv_setsv(TARG, sv); | |
2097 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 2098 | } |
fd400ab9 | 2099 | else if (DO_UTF8(sv) && UTF8_IS_START(*s) && isIDFIRST_utf8((U8*)s)) { |
834a4ddd LW |
2100 | sv_setpvn(TARG, "-", 1); |
2101 | sv_catsv(TARG, sv); | |
2102 | } | |
28e5dec8 JH |
2103 | else { |
2104 | SvIV_please(sv); | |
2105 | if (SvIOK(sv)) | |
2106 | goto oops_its_an_int; | |
2107 | sv_setnv(TARG, -SvNV(sv)); | |
2108 | } | |
a0d0e21e | 2109 | SETTARG; |
79072805 | 2110 | } |
4633a7c4 LW |
2111 | else |
2112 | SETn(-SvNV(sv)); | |
79072805 | 2113 | } |
a0d0e21e | 2114 | RETURN; |
79072805 LW |
2115 | } |
2116 | ||
a0d0e21e | 2117 | PP(pp_not) |
79072805 | 2118 | { |
4e35701f | 2119 | djSP; tryAMAGICunSET(not); |
3280af22 | 2120 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 2121 | return NORMAL; |
79072805 LW |
2122 | } |
2123 | ||
a0d0e21e | 2124 | PP(pp_complement) |
79072805 | 2125 | { |
8ec5e241 | 2126 | djSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
2127 | { |
2128 | dTOPss; | |
4633a7c4 | 2129 | if (SvNIOKp(sv)) { |
d0ba1bd2 | 2130 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2131 | IV i = ~SvIV(sv); |
2132 | SETi(i); | |
d0ba1bd2 JH |
2133 | } |
2134 | else { | |
972b05a9 JH |
2135 | UV u = ~SvUV(sv); |
2136 | SETu(u); | |
d0ba1bd2 | 2137 | } |
a0d0e21e LW |
2138 | } |
2139 | else { | |
51723571 | 2140 | register U8 *tmps; |
55497cff | 2141 | register I32 anum; |
a0d0e21e LW |
2142 | STRLEN len; |
2143 | ||
2144 | SvSetSV(TARG, sv); | |
51723571 | 2145 | tmps = (U8*)SvPV_force(TARG, len); |
a0d0e21e | 2146 | anum = len; |
1d68d6cd | 2147 | if (SvUTF8(TARG)) { |
a1ca4561 | 2148 | /* Calculate exact length, let's not estimate. */ |
1d68d6cd SC |
2149 | STRLEN targlen = 0; |
2150 | U8 *result; | |
51723571 | 2151 | U8 *send; |
ba210ebe | 2152 | STRLEN l; |
a1ca4561 YST |
2153 | UV nchar = 0; |
2154 | UV nwide = 0; | |
1d68d6cd SC |
2155 | |
2156 | send = tmps + len; | |
2157 | while (tmps < send) { | |
cc366d4b | 2158 | UV c = utf8_to_uv(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
1d68d6cd | 2159 | tmps += UTF8SKIP(tmps); |
5bbb0b5a | 2160 | targlen += UNISKIP(~c); |
a1ca4561 YST |
2161 | nchar++; |
2162 | if (c > 0xff) | |
2163 | nwide++; | |
1d68d6cd SC |
2164 | } |
2165 | ||
2166 | /* Now rewind strings and write them. */ | |
2167 | tmps -= len; | |
a1ca4561 YST |
2168 | |
2169 | if (nwide) { | |
2170 | Newz(0, result, targlen + 1, U8); | |
2171 | while (tmps < send) { | |
cc366d4b | 2172 | UV c = utf8_to_uv(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
a1ca4561 YST |
2173 | tmps += UTF8SKIP(tmps); |
2174 | result = uv_to_utf8(result, ~c); | |
2175 | } | |
2176 | *result = '\0'; | |
2177 | result -= targlen; | |
2178 | sv_setpvn(TARG, (char*)result, targlen); | |
2179 | SvUTF8_on(TARG); | |
2180 | } | |
2181 | else { | |
2182 | Newz(0, result, nchar + 1, U8); | |
2183 | while (tmps < send) { | |
2184 | U8 c = (U8)utf8_to_uv(tmps, 0, &l, UTF8_ALLOW_ANY); | |
2185 | tmps += UTF8SKIP(tmps); | |
2186 | *result++ = ~c; | |
2187 | } | |
2188 | *result = '\0'; | |
2189 | result -= nchar; | |
2190 | sv_setpvn(TARG, (char*)result, nchar); | |
1d68d6cd | 2191 | } |
1d68d6cd SC |
2192 | Safefree(result); |
2193 | SETs(TARG); | |
2194 | RETURN; | |
2195 | } | |
a0d0e21e | 2196 | #ifdef LIBERAL |
51723571 JH |
2197 | { |
2198 | register long *tmpl; | |
2199 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
2200 | *tmps = ~*tmps; | |
2201 | tmpl = (long*)tmps; | |
2202 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
2203 | *tmpl = ~*tmpl; | |
2204 | tmps = (U8*)tmpl; | |
2205 | } | |
a0d0e21e LW |
2206 | #endif |
2207 | for ( ; anum > 0; anum--, tmps++) | |
2208 | *tmps = ~*tmps; | |
2209 | ||
2210 | SETs(TARG); | |
2211 | } | |
2212 | RETURN; | |
2213 | } | |
79072805 LW |
2214 | } |
2215 | ||
a0d0e21e LW |
2216 | /* integer versions of some of the above */ |
2217 | ||
a0d0e21e | 2218 | PP(pp_i_multiply) |
79072805 | 2219 | { |
8ec5e241 | 2220 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
2221 | { |
2222 | dPOPTOPiirl; | |
2223 | SETi( left * right ); | |
2224 | RETURN; | |
2225 | } | |
79072805 LW |
2226 | } |
2227 | ||
a0d0e21e | 2228 | PP(pp_i_divide) |
79072805 | 2229 | { |
8ec5e241 | 2230 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
2231 | { |
2232 | dPOPiv; | |
2233 | if (value == 0) | |
cea2e8a9 | 2234 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
2235 | value = POPi / value; |
2236 | PUSHi( value ); | |
2237 | RETURN; | |
2238 | } | |
79072805 LW |
2239 | } |
2240 | ||
a0d0e21e | 2241 | PP(pp_i_modulo) |
79072805 | 2242 | { |
b13b2135 | 2243 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 2244 | { |
a0d0e21e | 2245 | dPOPTOPiirl; |
aa306039 | 2246 | if (!right) |
cea2e8a9 | 2247 | DIE(aTHX_ "Illegal modulus zero"); |
a0d0e21e LW |
2248 | SETi( left % right ); |
2249 | RETURN; | |
79072805 | 2250 | } |
79072805 LW |
2251 | } |
2252 | ||
a0d0e21e | 2253 | PP(pp_i_add) |
79072805 | 2254 | { |
8ec5e241 | 2255 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e | 2256 | { |
5e66d4f1 | 2257 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2258 | SETi( left + right ); |
2259 | RETURN; | |
79072805 | 2260 | } |
79072805 LW |
2261 | } |
2262 | ||
a0d0e21e | 2263 | PP(pp_i_subtract) |
79072805 | 2264 | { |
8ec5e241 | 2265 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 2266 | { |
5e66d4f1 | 2267 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2268 | SETi( left - right ); |
2269 | RETURN; | |
79072805 | 2270 | } |
79072805 LW |
2271 | } |
2272 | ||
a0d0e21e | 2273 | PP(pp_i_lt) |
79072805 | 2274 | { |
8ec5e241 | 2275 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
2276 | { |
2277 | dPOPTOPiirl; | |
54310121 | 2278 | SETs(boolSV(left < right)); |
a0d0e21e LW |
2279 | RETURN; |
2280 | } | |
79072805 LW |
2281 | } |
2282 | ||
a0d0e21e | 2283 | PP(pp_i_gt) |
79072805 | 2284 | { |
8ec5e241 | 2285 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
2286 | { |
2287 | dPOPTOPiirl; | |
54310121 | 2288 | SETs(boolSV(left > right)); |
a0d0e21e LW |
2289 | RETURN; |
2290 | } | |
79072805 LW |
2291 | } |
2292 | ||
a0d0e21e | 2293 | PP(pp_i_le) |
79072805 | 2294 | { |
8ec5e241 | 2295 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
2296 | { |
2297 | dPOPTOPiirl; | |
54310121 | 2298 | SETs(boolSV(left <= right)); |
a0d0e21e | 2299 | RETURN; |
85e6fe83 | 2300 | } |
79072805 LW |
2301 | } |
2302 | ||
a0d0e21e | 2303 | PP(pp_i_ge) |
79072805 | 2304 | { |
8ec5e241 | 2305 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
2306 | { |
2307 | dPOPTOPiirl; | |
54310121 | 2308 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
2309 | RETURN; |
2310 | } | |
79072805 LW |
2311 | } |
2312 | ||
a0d0e21e | 2313 | PP(pp_i_eq) |
79072805 | 2314 | { |
8ec5e241 | 2315 | djSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
2316 | { |
2317 | dPOPTOPiirl; | |
54310121 | 2318 | SETs(boolSV(left == right)); |
a0d0e21e LW |
2319 | RETURN; |
2320 | } | |
79072805 LW |
2321 | } |
2322 | ||
a0d0e21e | 2323 | PP(pp_i_ne) |
79072805 | 2324 | { |
8ec5e241 | 2325 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
2326 | { |
2327 | dPOPTOPiirl; | |
54310121 | 2328 | SETs(boolSV(left != right)); |
a0d0e21e LW |
2329 | RETURN; |
2330 | } | |
79072805 LW |
2331 | } |
2332 | ||
a0d0e21e | 2333 | PP(pp_i_ncmp) |
79072805 | 2334 | { |
8ec5e241 | 2335 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
2336 | { |
2337 | dPOPTOPiirl; | |
2338 | I32 value; | |
79072805 | 2339 | |
a0d0e21e | 2340 | if (left > right) |
79072805 | 2341 | value = 1; |
a0d0e21e | 2342 | else if (left < right) |
79072805 | 2343 | value = -1; |
a0d0e21e | 2344 | else |
79072805 | 2345 | value = 0; |
a0d0e21e LW |
2346 | SETi(value); |
2347 | RETURN; | |
79072805 | 2348 | } |
85e6fe83 LW |
2349 | } |
2350 | ||
2351 | PP(pp_i_negate) | |
2352 | { | |
4e35701f | 2353 | djSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
2354 | SETi(-TOPi); |
2355 | RETURN; | |
2356 | } | |
2357 | ||
79072805 LW |
2358 | /* High falutin' math. */ |
2359 | ||
2360 | PP(pp_atan2) | |
2361 | { | |
8ec5e241 | 2362 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
2363 | { |
2364 | dPOPTOPnnrl; | |
65202027 | 2365 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
2366 | RETURN; |
2367 | } | |
79072805 LW |
2368 | } |
2369 | ||
2370 | PP(pp_sin) | |
2371 | { | |
4e35701f | 2372 | djSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 2373 | { |
65202027 | 2374 | NV value; |
a0d0e21e | 2375 | value = POPn; |
65202027 | 2376 | value = Perl_sin(value); |
a0d0e21e LW |
2377 | XPUSHn(value); |
2378 | RETURN; | |
2379 | } | |
79072805 LW |
2380 | } |
2381 | ||
2382 | PP(pp_cos) | |
2383 | { | |
4e35701f | 2384 | djSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 2385 | { |
65202027 | 2386 | NV value; |
a0d0e21e | 2387 | value = POPn; |
65202027 | 2388 | value = Perl_cos(value); |
a0d0e21e LW |
2389 | XPUSHn(value); |
2390 | RETURN; | |
2391 | } | |
79072805 LW |
2392 | } |
2393 | ||
56cb0a1c AD |
2394 | /* Support Configure command-line overrides for rand() functions. |
2395 | After 5.005, perhaps we should replace this by Configure support | |
2396 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
2397 | compatibility by calling rand() but allow the user to override it. | |
2398 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
2399 | */ | |
85ab1d1d JH |
2400 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
2401 | in addition to rand(). So the overrides should not be needed any more. | |
2402 | --Jarkko Hietaniemi 27 September 1998 | |
2403 | */ | |
2404 | ||
2405 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 2406 | extern double drand48 (void); |
56cb0a1c AD |
2407 | #endif |
2408 | ||
79072805 LW |
2409 | PP(pp_rand) |
2410 | { | |
4e35701f | 2411 | djSP; dTARGET; |
65202027 | 2412 | NV value; |
79072805 LW |
2413 | if (MAXARG < 1) |
2414 | value = 1.0; | |
2415 | else | |
2416 | value = POPn; | |
2417 | if (value == 0.0) | |
2418 | value = 1.0; | |
80252599 | 2419 | if (!PL_srand_called) { |
85ab1d1d | 2420 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 2421 | PL_srand_called = TRUE; |
93dc8474 | 2422 | } |
85ab1d1d | 2423 | value *= Drand01(); |
79072805 LW |
2424 | XPUSHn(value); |
2425 | RETURN; | |
2426 | } | |
2427 | ||
2428 | PP(pp_srand) | |
2429 | { | |
4e35701f | 2430 | djSP; |
93dc8474 CS |
2431 | UV anum; |
2432 | if (MAXARG < 1) | |
2433 | anum = seed(); | |
79072805 | 2434 | else |
93dc8474 | 2435 | anum = POPu; |
85ab1d1d | 2436 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 2437 | PL_srand_called = TRUE; |
79072805 LW |
2438 | EXTEND(SP, 1); |
2439 | RETPUSHYES; | |
2440 | } | |
2441 | ||
76e3520e | 2442 | STATIC U32 |
cea2e8a9 | 2443 | S_seed(pTHX) |
93dc8474 | 2444 | { |
54310121 | 2445 | /* |
2446 | * This is really just a quick hack which grabs various garbage | |
2447 | * values. It really should be a real hash algorithm which | |
2448 | * spreads the effect of every input bit onto every output bit, | |
85ab1d1d | 2449 | * if someone who knows about such things would bother to write it. |
54310121 | 2450 | * Might be a good idea to add that function to CORE as well. |
85ab1d1d | 2451 | * No numbers below come from careful analysis or anything here, |
54310121 | 2452 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
2453 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
2454 | * probably be bigger too. | |
2455 | */ | |
2456 | #if RANDBITS > 16 | |
2457 | # define SEED_C1 1000003 | |
2458 | #define SEED_C4 73819 | |
2459 | #else | |
2460 | # define SEED_C1 25747 | |
2461 | #define SEED_C4 20639 | |
2462 | #endif | |
2463 | #define SEED_C2 3 | |
2464 | #define SEED_C3 269 | |
2465 | #define SEED_C5 26107 | |
2466 | ||
73c60299 RS |
2467 | #ifndef PERL_NO_DEV_RANDOM |
2468 | int fd; | |
2469 | #endif | |
93dc8474 | 2470 | U32 u; |
f12c7020 | 2471 | #ifdef VMS |
2472 | # include <starlet.h> | |
43c92808 HF |
2473 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
2474 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 | 2475 | unsigned int when[2]; |
73c60299 RS |
2476 | #else |
2477 | # ifdef HAS_GETTIMEOFDAY | |
2478 | struct timeval when; | |
2479 | # else | |
2480 | Time_t when; | |
2481 | # endif | |
2482 | #endif | |
2483 | ||
2484 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
2485 | #ifndef PERL_NO_DEV_RANDOM | |
2486 | #ifndef PERL_RANDOM_DEVICE | |
2487 | /* /dev/random isn't used by default because reads from it will block | |
2488 | * if there isn't enough entropy available. You can compile with | |
2489 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
2490 | * is enough real entropy to fill the seed. */ | |
2491 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
2492 | #endif | |
2493 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
2494 | if (fd != -1) { | |
2495 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
2496 | u = 0; | |
2497 | PerlLIO_close(fd); | |
2498 | if (u) | |
2499 | return u; | |
2500 | } | |
2501 | #endif | |
2502 | ||
2503 | #ifdef VMS | |
93dc8474 | 2504 | _ckvmssts(sys$gettim(when)); |
54310121 | 2505 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 2506 | #else |
5f05dabc | 2507 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 | 2508 | gettimeofday(&when,(struct timezone *) 0); |
54310121 | 2509 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 2510 | # else |
93dc8474 | 2511 | (void)time(&when); |
54310121 | 2512 | u = (U32)SEED_C1 * when; |
f12c7020 | 2513 | # endif |
2514 | #endif | |
7766f137 | 2515 | u += SEED_C3 * (U32)PerlProc_getpid(); |
56431972 | 2516 | u += SEED_C4 * (U32)PTR2UV(PL_stack_sp); |
54310121 | 2517 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
56431972 | 2518 | u += SEED_C5 * (U32)PTR2UV(&when); |
f12c7020 | 2519 | #endif |
93dc8474 | 2520 | return u; |
79072805 LW |
2521 | } |
2522 | ||
2523 | PP(pp_exp) | |
2524 | { | |
4e35701f | 2525 | djSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 2526 | { |
65202027 | 2527 | NV value; |
a0d0e21e | 2528 | value = POPn; |
65202027 | 2529 | value = Perl_exp(value); |
a0d0e21e LW |
2530 | XPUSHn(value); |
2531 | RETURN; | |
2532 | } | |
79072805 LW |
2533 | } |
2534 | ||
2535 | PP(pp_log) | |
2536 | { | |
4e35701f | 2537 | djSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 2538 | { |
65202027 | 2539 | NV value; |
a0d0e21e | 2540 | value = POPn; |
bbce6d69 | 2541 | if (value <= 0.0) { |
f93f4e46 | 2542 | SET_NUMERIC_STANDARD(); |
cea2e8a9 | 2543 | DIE(aTHX_ "Can't take log of %g", value); |
bbce6d69 | 2544 | } |
65202027 | 2545 | value = Perl_log(value); |
a0d0e21e LW |
2546 | XPUSHn(value); |
2547 | RETURN; | |
2548 | } | |
79072805 LW |
2549 | } |
2550 | ||
2551 | PP(pp_sqrt) | |
2552 | { | |
4e35701f | 2553 | djSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 2554 | { |
65202027 | 2555 | NV value; |
a0d0e21e | 2556 | value = POPn; |
bbce6d69 | 2557 | if (value < 0.0) { |
f93f4e46 | 2558 | SET_NUMERIC_STANDARD(); |
cea2e8a9 | 2559 | DIE(aTHX_ "Can't take sqrt of %g", value); |
bbce6d69 | 2560 | } |
65202027 | 2561 | value = Perl_sqrt(value); |
a0d0e21e LW |
2562 | XPUSHn(value); |
2563 | RETURN; | |
2564 | } | |
79072805 LW |
2565 | } |
2566 | ||
2567 | PP(pp_int) | |
2568 | { | |
4e35701f | 2569 | djSP; dTARGET; |
774d564b | 2570 | { |
28e5dec8 JH |
2571 | NV value; |
2572 | IV iv = TOPi; /* attempt to convert to IV if possible. */ | |
2573 | /* XXX it's arguable that compiler casting to IV might be subtly | |
2574 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
2575 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
2576 | relying on floating point to be accurate is a bug. */ | |
2577 | ||
2578 | if (SvIOK(TOPs)) { | |
2579 | if (SvIsUV(TOPs)) { | |
2580 | UV uv = TOPu; | |
2581 | SETu(uv); | |
2582 | } else | |
2583 | SETi(iv); | |
2584 | } else { | |
2585 | value = TOPn; | |
1048ea30 | 2586 | if (value >= 0.0) { |
28e5dec8 JH |
2587 | if (value < (NV)UV_MAX + 0.5) { |
2588 | SETu(U_V(value)); | |
2589 | } else { | |
1048ea30 | 2590 | #if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) |
28e5dec8 | 2591 | (void)Perl_modf(value, &value); |
1048ea30 | 2592 | #else |
28e5dec8 JH |
2593 | double tmp = (double)value; |
2594 | (void)Perl_modf(tmp, &tmp); | |
2595 | value = (NV)tmp; | |
1048ea30 | 2596 | #endif |
28e5dec8 | 2597 | } |
1048ea30 | 2598 | } |
28e5dec8 JH |
2599 | else { |
2600 | if (value > (NV)IV_MIN - 0.5) { | |
2601 | SETi(I_V(value)); | |
2602 | } else { | |
1048ea30 | 2603 | #if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) |
28e5dec8 JH |
2604 | (void)Perl_modf(-value, &value); |
2605 | value = -value; | |
1048ea30 | 2606 | #else |
28e5dec8 JH |
2607 | double tmp = (double)value; |
2608 | (void)Perl_modf(-tmp, &tmp); | |
2609 | value = -(NV)tmp; | |
1048ea30 | 2610 | #endif |
28e5dec8 JH |
2611 | SETn(value); |
2612 | } | |
2613 | } | |
774d564b | 2614 | } |
79072805 | 2615 | } |
79072805 LW |
2616 | RETURN; |
2617 | } | |
2618 | ||
463ee0b2 LW |
2619 | PP(pp_abs) |
2620 | { | |
4e35701f | 2621 | djSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 2622 | { |
28e5dec8 JH |
2623 | /* This will cache the NV value if string isn't actually integer */ |
2624 | IV iv = TOPi; | |
a227d84d | 2625 | |
28e5dec8 JH |
2626 | if (SvIOK(TOPs)) { |
2627 | /* IVX is precise */ | |
2628 | if (SvIsUV(TOPs)) { | |
2629 | SETu(TOPu); /* force it to be numeric only */ | |
2630 | } else { | |
2631 | if (iv >= 0) { | |
2632 | SETi(iv); | |
2633 | } else { | |
2634 | if (iv != IV_MIN) { | |
2635 | SETi(-iv); | |
2636 | } else { | |
2637 | /* 2s complement assumption. Also, not really needed as | |
2638 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
2639 | SETu(IV_MIN); | |
2640 | } | |
a227d84d | 2641 | } |
28e5dec8 JH |
2642 | } |
2643 | } else{ | |
2644 | NV value = TOPn; | |
774d564b | 2645 | if (value < 0.0) |
28e5dec8 | 2646 | value = -value; |
774d564b | 2647 | SETn(value); |
2648 | } | |
a0d0e21e | 2649 | } |
774d564b | 2650 | RETURN; |
463ee0b2 LW |
2651 | } |
2652 | ||
79072805 LW |
2653 | PP(pp_hex) |
2654 | { | |
4e35701f | 2655 | djSP; dTARGET; |
79072805 | 2656 | char *tmps; |
ba210ebe | 2657 | STRLEN argtype; |
2d8e6c8d | 2658 | STRLEN n_a; |
79072805 | 2659 | |
2d8e6c8d | 2660 | tmps = POPpx; |
b21ed0a9 | 2661 | argtype = 1; /* allow underscores */ |
9e24b6e2 | 2662 | XPUSHn(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
2663 | RETURN; |
2664 | } | |
2665 | ||
2666 | PP(pp_oct) | |
2667 | { | |
4e35701f | 2668 | djSP; dTARGET; |
9e24b6e2 | 2669 | NV value; |
ba210ebe | 2670 | STRLEN argtype; |
79072805 | 2671 | char *tmps; |
2d8e6c8d | 2672 | STRLEN n_a; |
79072805 | 2673 | |
2d8e6c8d | 2674 | tmps = POPpx; |
464e2e8a | 2675 | while (*tmps && isSPACE(*tmps)) |
2676 | tmps++; | |
9e24b6e2 JH |
2677 | if (*tmps == '0') |
2678 | tmps++; | |
b21ed0a9 | 2679 | argtype = 1; /* allow underscores */ |
9e24b6e2 JH |
2680 | if (*tmps == 'x') |
2681 | value = scan_hex(++tmps, 99, &argtype); | |
2682 | else if (*tmps == 'b') | |
2683 | value = scan_bin(++tmps, 99, &argtype); | |
464e2e8a | 2684 | else |
9e24b6e2 JH |
2685 | value = scan_oct(tmps, 99, &argtype); |
2686 | XPUSHn(value); | |
79072805 LW |
2687 | RETURN; |
2688 | } | |
2689 | ||
2690 | /* String stuff. */ | |
2691 | ||
2692 | PP(pp_length) | |
2693 | { | |
4e35701f | 2694 | djSP; dTARGET; |
7e2040f0 | 2695 | SV *sv = TOPs; |
a0ed51b3 | 2696 | |
7e2040f0 GS |
2697 | if (DO_UTF8(sv)) |
2698 | SETi(sv_len_utf8(sv)); | |
2699 | else | |
2700 | SETi(sv_len(sv)); | |
79072805 LW |
2701 | RETURN; |
2702 | } | |
2703 | ||
2704 | PP(pp_substr) | |
2705 | { | |
4e35701f | 2706 | djSP; dTARGET; |
79072805 LW |
2707 | SV *sv; |
2708 | I32 len; | |
463ee0b2 | 2709 | STRLEN curlen; |
a0ed51b3 | 2710 | STRLEN utfcurlen; |
79072805 LW |
2711 | I32 pos; |
2712 | I32 rem; | |
84902520 | 2713 | I32 fail; |
533c011a | 2714 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
79072805 | 2715 | char *tmps; |
3280af22 | 2716 | I32 arybase = PL_curcop->cop_arybase; |
7b8d334a GS |
2717 | char *repl = 0; |
2718 | STRLEN repl_len; | |
79072805 | 2719 | |
20408e3c | 2720 | SvTAINTED_off(TARG); /* decontaminate */ |
7e2040f0 | 2721 | SvUTF8_off(TARG); /* decontaminate */ |
5d82c453 GA |
2722 | if (MAXARG > 2) { |
2723 | if (MAXARG > 3) { | |
2724 | sv = POPs; | |
2725 | repl = SvPV(sv, repl_len); | |
7b8d334a | 2726 | } |
79072805 | 2727 | len = POPi; |
5d82c453 | 2728 | } |
84902520 | 2729 | pos = POPi; |
79072805 | 2730 | sv = POPs; |
849ca7ee | 2731 | PUTBACK; |
a0d0e21e | 2732 | tmps = SvPV(sv, curlen); |
7e2040f0 | 2733 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
2734 | utfcurlen = sv_len_utf8(sv); |
2735 | if (utfcurlen == curlen) | |
2736 | utfcurlen = 0; | |
2737 | else | |
2738 | curlen = utfcurlen; | |
2739 | } | |
d1c2b58a LW |
2740 | else |
2741 | utfcurlen = 0; | |
a0ed51b3 | 2742 | |
84902520 TB |
2743 | if (pos >= arybase) { |
2744 | pos -= arybase; | |
2745 | rem = curlen-pos; | |
2746 | fail = rem; | |
5d82c453 GA |
2747 | if (MAXARG > 2) { |
2748 | if (len < 0) { | |
2749 | rem += len; | |
2750 | if (rem < 0) | |
2751 | rem = 0; | |
2752 | } | |
2753 | else if (rem > len) | |
2754 | rem = len; | |
2755 | } | |
68dc0745 | 2756 | } |
84902520 | 2757 | else { |
5d82c453 GA |
2758 | pos += curlen; |
2759 | if (MAXARG < 3) | |
2760 | rem = curlen; | |
2761 | else if (len >= 0) { | |
2762 | rem = pos+len; | |
2763 | if (rem > (I32)curlen) | |
2764 | rem = curlen; | |
2765 | } | |
2766 | else { | |
2767 | rem = curlen+len; | |
2768 | if (rem < pos) | |
2769 | rem = pos; | |
2770 | } | |
2771 | if (pos < 0) | |
2772 | pos = 0; | |
2773 | fail = rem; | |
2774 | rem -= pos; | |
84902520 TB |
2775 | } |
2776 | if (fail < 0) { | |
e476b1b5 GS |
2777 | if (lvalue || repl) |
2778 | Perl_croak(aTHX_ "substr outside of string"); | |
2779 | if (ckWARN(WARN_SUBSTR)) | |
cea2e8a9 | 2780 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
2304df62 AD |
2781 | RETPUSHUNDEF; |
2782 | } | |
79072805 | 2783 | else { |
7f66633b | 2784 | if (utfcurlen) |
a0ed51b3 | 2785 | sv_pos_u2b(sv, &pos, &rem); |
79072805 | 2786 | tmps += pos; |
79072805 | 2787 | sv_setpvn(TARG, tmps, rem); |
7f66633b GS |
2788 | if (utfcurlen) |
2789 | SvUTF8_on(TARG); | |
c8faf1c5 GS |
2790 | if (repl) |
2791 | sv_insert(sv, pos, rem, repl, repl_len); | |
2792 | else if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 2793 | if (!SvGMAGICAL(sv)) { |
2794 | if (SvROK(sv)) { | |
2d8e6c8d GS |
2795 | STRLEN n_a; |
2796 | SvPV_force(sv,n_a); | |
599cee73 | 2797 | if (ckWARN(WARN_SUBSTR)) |
cea2e8a9 | 2798 | Perl_warner(aTHX_ WARN_SUBSTR, |
599cee73 | 2799 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 2800 | } |
2801 | if (SvOK(sv)) /* is it defined ? */ | |
7f66633b | 2802 | (void)SvPOK_only_UTF8(sv); |
dedeecda | 2803 | else |
2804 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
2805 | } | |
5f05dabc | 2806 | |
a0d0e21e LW |
2807 | if (SvTYPE(TARG) < SVt_PVLV) { |
2808 | sv_upgrade(TARG, SVt_PVLV); | |
2809 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 2810 | } |
a0d0e21e | 2811 | |
5f05dabc | 2812 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
2813 | if (LvTARG(TARG) != sv) { |
2814 | if (LvTARG(TARG)) | |
2815 | SvREFCNT_dec(LvTARG(TARG)); | |
2816 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
2817 | } | |
a0d0e21e | 2818 | LvTARGOFF(TARG) = pos; |
8ec5e241 | 2819 | LvTARGLEN(TARG) = rem; |
79072805 LW |
2820 | } |
2821 | } | |
849ca7ee | 2822 | SPAGAIN; |
79072805 LW |
2823 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
2824 | RETURN; | |
2825 | } | |
2826 | ||
2827 | PP(pp_vec) | |
2828 | { | |
4e35701f | 2829 | djSP; dTARGET; |
467f0320 JH |
2830 | register IV size = POPi; |
2831 | register IV offset = POPi; | |
79072805 | 2832 | register SV *src = POPs; |
533c011a | 2833 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
a0d0e21e | 2834 | |
81e118e0 JH |
2835 | SvTAINTED_off(TARG); /* decontaminate */ |
2836 | if (lvalue) { /* it's an lvalue! */ | |
2837 | if (SvTYPE(TARG) < SVt_PVLV) { | |
2838 | sv_upgrade(TARG, SVt_PVLV); | |
2839 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
79072805 | 2840 | } |
81e118e0 JH |
2841 | LvTYPE(TARG) = 'v'; |
2842 | if (LvTARG(TARG) != src) { | |
2843 | if (LvTARG(TARG)) | |
2844 | SvREFCNT_dec(LvTARG(TARG)); | |
2845 | LvTARG(TARG) = SvREFCNT_inc(src); | |
79072805 | 2846 | } |
81e118e0 JH |
2847 | LvTARGOFF(TARG) = offset; |
2848 | LvTARGLEN(TARG) = size; | |
79072805 LW |
2849 | } |
2850 | ||
81e118e0 | 2851 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
2852 | PUSHs(TARG); |
2853 | RETURN; | |
2854 | } | |
2855 | ||
2856 | PP(pp_index) | |
2857 | { | |
4e35701f | 2858 | djSP; dTARGET; |
79072805 LW |
2859 | SV *big; |
2860 | SV *little; | |
2861 | I32 offset; | |
2862 | I32 retval; | |
2863 | char *tmps; | |
2864 | char *tmps2; | |
463ee0b2 | 2865 | STRLEN biglen; |
3280af22 | 2866 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
2867 | |
2868 | if (MAXARG < 3) | |
2869 | offset = 0; | |
2870 | else | |
2871 | offset = POPi - arybase; | |
2872 | little = POPs; | |
2873 | big = POPs; | |
463ee0b2 | 2874 | tmps = SvPV(big, biglen); |
7e2040f0 | 2875 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 | 2876 | sv_pos_u2b(big, &offset, 0); |
79072805 LW |
2877 | if (offset < 0) |
2878 | offset = 0; | |
93a17b20 LW |
2879 | else if (offset > biglen) |
2880 | offset = biglen; | |
79072805 | 2881 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 2882 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 2883 | retval = -1; |
79072805 | 2884 | else |
a0ed51b3 | 2885 | retval = tmps2 - tmps; |
7e2040f0 | 2886 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2887 | sv_pos_b2u(big, &retval); |
2888 | PUSHi(retval + arybase); | |
79072805 LW |
2889 | RETURN; |
2890 | } | |
2891 | ||
2892 | PP(pp_rindex) | |
2893 | { | |
4e35701f | 2894 | djSP; dTARGET; |
79072805 LW |
2895 | SV *big; |
2896 | SV *little; | |
463ee0b2 LW |
2897 | STRLEN blen; |
2898 | STRLEN llen; | |
79072805 LW |
2899 | I32 offset; |
2900 | I32 retval; | |
2901 | char *tmps; | |
2902 | char *tmps2; | |
3280af22 | 2903 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 2904 | |
a0d0e21e | 2905 | if (MAXARG >= 3) |
a0ed51b3 | 2906 | offset = POPi; |
79072805 LW |
2907 | little = POPs; |
2908 | big = POPs; | |
463ee0b2 LW |
2909 | tmps2 = SvPV(little, llen); |
2910 | tmps = SvPV(big, blen); | |
79072805 | 2911 | if (MAXARG < 3) |
463ee0b2 | 2912 | offset = blen; |
a0ed51b3 | 2913 | else { |
7e2040f0 | 2914 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2915 | sv_pos_u2b(big, &offset, 0); |
2916 | offset = offset - arybase + llen; | |
2917 | } | |
79072805 LW |
2918 | if (offset < 0) |
2919 | offset = 0; | |
463ee0b2 LW |
2920 | else if (offset > blen) |
2921 | offset = blen; | |
79072805 | 2922 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2923 | tmps2, tmps2 + llen))) |
a0ed51b3 | 2924 | retval = -1; |
79072805 | 2925 | else |
a0ed51b3 | 2926 | retval = tmps2 - tmps; |
7e2040f0 | 2927 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2928 | sv_pos_b2u(big, &retval); |
2929 | PUSHi(retval + arybase); | |
79072805 LW |
2930 | RETURN; |
2931 | } | |
2932 | ||
2933 | PP(pp_sprintf) | |
2934 | { | |
4e35701f | 2935 | djSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 2936 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2937 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2938 | SP = ORIGMARK; |
2939 | PUSHTARG; | |
2940 | RETURN; | |
2941 | } | |
2942 | ||
79072805 LW |
2943 | PP(pp_ord) |
2944 | { | |
4e35701f | 2945 | djSP; dTARGET; |
7df053ec | 2946 | SV *argsv = POPs; |
ba210ebe | 2947 | STRLEN len; |
7df053ec | 2948 | U8 *s = (U8*)SvPVx(argsv, len); |
79072805 | 2949 | |
7df053ec | 2950 | XPUSHu(DO_UTF8(argsv) ? utf8_to_uv_simple(s, 0) : (*s & 0xff)); |
79072805 LW |
2951 | RETURN; |
2952 | } | |
2953 | ||
463ee0b2 LW |
2954 | PP(pp_chr) |
2955 | { | |
4e35701f | 2956 | djSP; dTARGET; |
463ee0b2 | 2957 | char *tmps; |
467f0320 | 2958 | UV value = POPu; |
463ee0b2 | 2959 | |
748a9306 | 2960 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 | 2961 | |
fd400ab9 JH |
2962 | if ((value > 255 && !IN_BYTE) || |
2963 | (UTF8_IS_CONTINUED(value) && (PL_hints & HINT_UTF8)) ) { | |
aa6ffa16 | 2964 | SvGROW(TARG, UTF8_MAXLEN+1); |
a0ed51b3 | 2965 | tmps = SvPVX(TARG); |
dfe13c55 | 2966 | tmps = (char*)uv_to_utf8((U8*)tmps, (UV)value); |
a0ed51b3 LW |
2967 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
2968 | *tmps = '\0'; | |
2969 | (void)SvPOK_only(TARG); | |
aa6ffa16 | 2970 | SvUTF8_on(TARG); |
a0ed51b3 LW |
2971 | XPUSHs(TARG); |
2972 | RETURN; | |
2973 | } | |
a227d84d NIS |
2974 | else { |
2975 | SvUTF8_off(TARG); | |
2976 | } | |
a0ed51b3 | 2977 | |
748a9306 | 2978 | SvGROW(TARG,2); |
463ee0b2 LW |
2979 | SvCUR_set(TARG, 1); |
2980 | tmps = SvPVX(TARG); | |
a0ed51b3 | 2981 | *tmps++ = value; |
748a9306 | 2982 | *tmps = '\0'; |
a0d0e21e | 2983 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
2984 | XPUSHs(TARG); |
2985 | RETURN; | |
2986 | } | |
2987 | ||
79072805 LW |
2988 | PP(pp_crypt) |
2989 | { | |
4e35701f | 2990 | djSP; dTARGET; dPOPTOPssrl; |
2d8e6c8d | 2991 | STRLEN n_a; |
79072805 | 2992 | #ifdef HAS_CRYPT |
2d8e6c8d | 2993 | char *tmps = SvPV(left, n_a); |
79072805 | 2994 | #ifdef FCRYPT |
2d8e6c8d | 2995 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
79072805 | 2996 | #else |
2d8e6c8d | 2997 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
79072805 LW |
2998 | #endif |
2999 | #else | |
b13b2135 | 3000 | DIE(aTHX_ |
79072805 LW |
3001 | "The crypt() function is unimplemented due to excessive paranoia."); |
3002 | #endif | |
3003 | SETs(TARG); | |
3004 | RETURN; | |
3005 | } | |
3006 | ||
3007 | PP(pp_ucfirst) | |
3008 | { | |
4e35701f | 3009 | djSP; |
79072805 | 3010 | SV *sv = TOPs; |
a0ed51b3 LW |
3011 | register U8 *s; |
3012 | STRLEN slen; | |
3013 | ||
fd400ab9 | 3014 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && UTF8_IS_START(*s)) { |
ba210ebe | 3015 | STRLEN ulen; |
ad391ad9 | 3016 | U8 tmpbuf[UTF8_MAXLEN+1]; |
a0ed51b3 | 3017 | U8 *tend; |
dcad2880 | 3018 | UV uv = utf8_to_uv(s, slen, &ulen, 0); |
a0ed51b3 LW |
3019 | |
3020 | if (PL_op->op_private & OPpLOCALE) { | |
3021 | TAINT; | |
3022 | SvTAINTED_on(sv); | |
3023 | uv = toTITLE_LC_uni(uv); | |
3024 | } | |
3025 | else | |
3026 | uv = toTITLE_utf8(s); | |
3027 | ||
3028 | tend = uv_to_utf8(tmpbuf, uv); | |
3029 | ||
014822e4 | 3030 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 3031 | dTARGET; |
dfe13c55 GS |
3032 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
3033 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3034 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3035 | SETs(TARG); |
3036 | } | |
3037 | else { | |
dfe13c55 | 3038 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
3039 | Copy(tmpbuf, s, ulen, U8); |
3040 | } | |
a0ed51b3 | 3041 | } |
626727d5 | 3042 | else { |
014822e4 | 3043 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3044 | dTARGET; |
7e2040f0 | 3045 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3046 | sv_setsv(TARG, sv); |
3047 | sv = TARG; | |
3048 | SETs(sv); | |
3049 | } | |
3050 | s = (U8*)SvPV_force(sv, slen); | |
3051 | if (*s) { | |
3052 | if (PL_op->op_private & OPpLOCALE) { | |
3053 | TAINT; | |
3054 | SvTAINTED_on(sv); | |
3055 | *s = toUPPER_LC(*s); | |
3056 | } | |
3057 | else | |
3058 | *s = toUPPER(*s); | |
bbce6d69 | 3059 | } |
bbce6d69 | 3060 | } |
31351b04 JS |
3061 | if (SvSMAGICAL(sv)) |
3062 | mg_set(sv); | |
79072805 LW |
3063 | RETURN; |
3064 | } | |
3065 | ||
3066 | PP(pp_lcfirst) | |
3067 | { | |
4e35701f | 3068 | djSP; |
79072805 | 3069 | SV *sv = TOPs; |
a0ed51b3 LW |
3070 | register U8 *s; |
3071 | STRLEN slen; | |
3072 | ||
fd400ab9 | 3073 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && UTF8_IS_START(*s)) { |
ba210ebe | 3074 | STRLEN ulen; |
ad391ad9 | 3075 | U8 tmpbuf[UTF8_MAXLEN+1]; |
a0ed51b3 | 3076 | U8 *tend; |
dcad2880 | 3077 | UV uv = utf8_to_uv(s, slen, &ulen, 0); |
a0ed51b3 LW |
3078 | |
3079 | if (PL_op->op_private & OPpLOCALE) { | |
3080 | TAINT; | |
3081 | SvTAINTED_on(sv); | |
3082 | uv = toLOWER_LC_uni(uv); | |
3083 | } | |
3084 | else | |
3085 | uv = toLOWER_utf8(s); | |
3086 | ||
3087 | tend = uv_to_utf8(tmpbuf, uv); | |
3088 | ||
014822e4 | 3089 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 3090 | dTARGET; |
dfe13c55 GS |
3091 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
3092 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3093 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3094 | SETs(TARG); |
3095 | } | |
3096 | else { | |
dfe13c55 | 3097 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
3098 | Copy(tmpbuf, s, ulen, U8); |
3099 | } | |
a0ed51b3 | 3100 | } |
626727d5 | 3101 | else { |
014822e4 | 3102 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3103 | dTARGET; |
7e2040f0 | 3104 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3105 | sv_setsv(TARG, sv); |
3106 | sv = TARG; | |
3107 | SETs(sv); | |
3108 | } | |
3109 | s = (U8*)SvPV_force(sv, slen); | |
3110 | if (*s) { | |
3111 | if (PL_op->op_private & OPpLOCALE) { | |
3112 | TAINT; | |
3113 | SvTAINTED_on(sv); | |
3114 | *s = toLOWER_LC(*s); | |
3115 | } | |
3116 | else | |
3117 | *s = toLOWER(*s); | |
bbce6d69 | 3118 | } |
bbce6d69 | 3119 | } |
31351b04 JS |
3120 | if (SvSMAGICAL(sv)) |
3121 | mg_set(sv); | |
79072805 LW |
3122 | RETURN; |
3123 | } | |
3124 | ||
3125 | PP(pp_uc) | |
3126 | { | |
4e35701f | 3127 | djSP; |
79072805 | 3128 | SV *sv = TOPs; |
a0ed51b3 | 3129 | register U8 *s; |
463ee0b2 | 3130 | STRLEN len; |
79072805 | 3131 | |
7e2040f0 | 3132 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3133 | dTARGET; |
ba210ebe | 3134 | STRLEN ulen; |
a0ed51b3 LW |
3135 | register U8 *d; |
3136 | U8 *send; | |
3137 | ||
dfe13c55 | 3138 | s = (U8*)SvPV(sv,len); |
a5a20234 | 3139 | if (!len) { |
7e2040f0 | 3140 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3141 | sv_setpvn(TARG, "", 0); |
3142 | SETs(TARG); | |
a0ed51b3 LW |
3143 | } |
3144 | else { | |
31351b04 JS |
3145 | (void)SvUPGRADE(TARG, SVt_PV); |
3146 | SvGROW(TARG, (len * 2) + 1); | |
3147 | (void)SvPOK_only(TARG); | |
3148 | d = (U8*)SvPVX(TARG); | |
3149 | send = s + len; | |
3150 | if (PL_op->op_private & OPpLOCALE) { | |
3151 | TAINT; | |
3152 | SvTAINTED_on(TARG); | |
3153 | while (s < send) { | |
dcad2880 | 3154 | d = uv_to_utf8(d, toUPPER_LC_uni( utf8_to_uv(s, len, &ulen, 0))); |
31351b04 JS |
3155 | s += ulen; |
3156 | } | |
a0ed51b3 | 3157 | } |
31351b04 JS |
3158 | else { |
3159 | while (s < send) { | |
3160 | d = uv_to_utf8(d, toUPPER_utf8( s )); | |
3161 | s += UTF8SKIP(s); | |
3162 | } | |
a0ed51b3 | 3163 | } |
31351b04 | 3164 | *d = '\0'; |
7e2040f0 | 3165 | SvUTF8_on(TARG); |
31351b04 JS |
3166 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3167 | SETs(TARG); | |
a0ed51b3 | 3168 | } |
a0ed51b3 | 3169 | } |
626727d5 | 3170 | else { |
014822e4 | 3171 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3172 | dTARGET; |
7e2040f0 | 3173 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3174 | sv_setsv(TARG, sv); |
3175 | sv = TARG; | |
3176 | SETs(sv); | |
3177 | } | |
3178 | s = (U8*)SvPV_force(sv, len); | |
3179 | if (len) { | |
3180 | register U8 *send = s + len; | |
3181 | ||
3182 | if (PL_op->op_private & OPpLOCALE) { | |
3183 | TAINT; | |
3184 | SvTAINTED_on(sv); | |
3185 | for (; s < send; s++) | |
3186 | *s = toUPPER_LC(*s); | |
3187 | } | |
3188 | else { | |
3189 | for (; s < send; s++) | |
3190 | *s = toUPPER(*s); | |
3191 | } | |
bbce6d69 | 3192 | } |
79072805 | 3193 | } |
31351b04 JS |
3194 | if (SvSMAGICAL(sv)) |
3195 | mg_set(sv); | |
79072805 LW |
3196 | RETURN; |
3197 | } | |
3198 | ||
3199 | PP(pp_lc) | |
3200 | { | |
4e35701f | 3201 | djSP; |
79072805 | 3202 | SV *sv = TOPs; |
a0ed51b3 | 3203 | register U8 *s; |
463ee0b2 | 3204 | STRLEN len; |
79072805 | 3205 | |
7e2040f0 | 3206 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3207 | dTARGET; |
ba210ebe | 3208 | STRLEN ulen; |
a0ed51b3 LW |
3209 | register U8 *d; |
3210 | U8 *send; | |
3211 | ||
dfe13c55 | 3212 | s = (U8*)SvPV(sv,len); |
a5a20234 | 3213 | if (!len) { |
7e2040f0 | 3214 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3215 | sv_setpvn(TARG, "", 0); |
3216 | SETs(TARG); | |
a0ed51b3 LW |
3217 | } |
3218 | else { | |
31351b04 JS |
3219 | (void)SvUPGRADE(TARG, SVt_PV); |
3220 | SvGROW(TARG, (len * 2) + 1); | |
3221 | (void)SvPOK_only(TARG); | |
3222 | d = (U8*)SvPVX(TARG); | |
3223 | send = s + len; | |
3224 | if (PL_op->op_private & OPpLOCALE) { | |
3225 | TAINT; | |
3226 | SvTAINTED_on(TARG); | |
3227 | while (s < send) { | |
dcad2880 | 3228 | d = uv_to_utf8(d, toLOWER_LC_uni( utf8_to_uv(s, len, &ulen, 0))); |
31351b04 JS |
3229 | s += ulen; |
3230 | } | |
a0ed51b3 | 3231 | } |
31351b04 JS |
3232 | else { |
3233 | while (s < send) { | |
3234 | d = uv_to_utf8(d, toLOWER_utf8(s)); | |
3235 | s += UTF8SKIP(s); | |
3236 | } | |
a0ed51b3 | 3237 | } |
31351b04 | 3238 | *d = '\0'; |
7e2040f0 | 3239 | SvUTF8_on(TARG); |
31351b04 JS |
3240 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3241 | SETs(TARG); | |
a0ed51b3 | 3242 | } |
79072805 | 3243 | } |
626727d5 | 3244 | else { |
014822e4 | 3245 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3246 | dTARGET; |
7e2040f0 | 3247 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3248 | sv_setsv(TARG, sv); |
3249 | sv = TARG; | |
3250 | SETs(sv); | |
a0ed51b3 | 3251 | } |
bbce6d69 | 3252 | |
31351b04 JS |
3253 | s = (U8*)SvPV_force(sv, len); |
3254 | if (len) { | |
3255 | register U8 *send = s + len; | |
bbce6d69 | 3256 | |
31351b04 JS |
3257 | if (PL_op->op_private & OPpLOCALE) { |
3258 | TAINT; | |
3259 | SvTAINTED_on(sv); | |
3260 | for (; s < send; s++) | |
3261 | *s = toLOWER_LC(*s); | |
3262 | } | |
3263 | else { | |
3264 | for (; s < send; s++) | |
3265 | *s = toLOWER(*s); | |
3266 | } | |
bbce6d69 | 3267 | } |
79072805 | 3268 | } |
31351b04 JS |
3269 | if (SvSMAGICAL(sv)) |
3270 | mg_set(sv); | |
79072805 LW |
3271 | RETURN; |
3272 | } | |
3273 | ||
a0d0e21e | 3274 | PP(pp_quotemeta) |
79072805 | 3275 | { |
4e35701f | 3276 | djSP; dTARGET; |
a0d0e21e LW |
3277 | SV *sv = TOPs; |
3278 | STRLEN len; | |
3279 | register char *s = SvPV(sv,len); | |
3280 | register char *d; | |
79072805 | 3281 | |
7e2040f0 | 3282 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e LW |
3283 | if (len) { |
3284 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 3285 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 3286 | d = SvPVX(TARG); |
7e2040f0 | 3287 | if (DO_UTF8(sv)) { |
0dd2cdef | 3288 | while (len) { |
fd400ab9 | 3289 | if (UTF8_IS_CONTINUED(*s)) { |
0dd2cdef LW |
3290 | STRLEN ulen = UTF8SKIP(s); |
3291 | if (ulen > len) | |
3292 | ulen = len; | |
3293 | len -= ulen; | |
3294 | while (ulen--) | |
3295 | *d++ = *s++; | |
3296 | } | |
3297 | else { | |
3298 | if (!isALNUM(*s)) | |
3299 | *d++ = '\\'; | |
3300 | *d++ = *s++; | |
3301 | len--; | |
3302 | } | |
3303 | } | |
7e2040f0 | 3304 | SvUTF8_on(TARG); |
0dd2cdef LW |
3305 | } |
3306 | else { | |
3307 | while (len--) { | |
3308 | if (!isALNUM(*s)) | |
3309 | *d++ = '\\'; | |
3310 | *d++ = *s++; | |
3311 | } | |
79072805 | 3312 | } |
a0d0e21e LW |
3313 | *d = '\0'; |
3314 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
3aa33fe5 | 3315 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 3316 | } |
a0d0e21e LW |
3317 | else |
3318 | sv_setpvn(TARG, s, len); | |
3319 | SETs(TARG); | |
31351b04 JS |
3320 | if (SvSMAGICAL(TARG)) |
3321 | mg_set(TARG); | |
79072805 LW |
3322 | RETURN; |
3323 | } | |
3324 | ||
a0d0e21e | 3325 | /* Arrays. */ |
79072805 | 3326 | |
a0d0e21e | 3327 | PP(pp_aslice) |
79072805 | 3328 | { |
4e35701f | 3329 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3330 | register SV** svp; |
3331 | register AV* av = (AV*)POPs; | |
533c011a | 3332 | register I32 lval = PL_op->op_flags & OPf_MOD; |
3280af22 | 3333 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 3334 | I32 elem; |
79072805 | 3335 | |
a0d0e21e | 3336 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 3337 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 3338 | I32 max = -1; |
924508f0 | 3339 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
3340 | elem = SvIVx(*svp); |
3341 | if (elem > max) | |
3342 | max = elem; | |
3343 | } | |
3344 | if (max > AvMAX(av)) | |
3345 | av_extend(av, max); | |
3346 | } | |
a0d0e21e | 3347 | while (++MARK <= SP) { |
748a9306 | 3348 | elem = SvIVx(*MARK); |
a0d0e21e | 3349 | |
748a9306 LW |
3350 | if (elem > 0) |
3351 | elem -= arybase; | |
a0d0e21e LW |
3352 | svp = av_fetch(av, elem, lval); |
3353 | if (lval) { | |
3280af22 | 3354 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 3355 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 3356 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 3357 | save_aelem(av, elem, svp); |
79072805 | 3358 | } |
3280af22 | 3359 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3360 | } |
3361 | } | |
748a9306 | 3362 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
3363 | MARK = ORIGMARK; |
3364 | *++MARK = *SP; | |
3365 | SP = MARK; | |
3366 | } | |
79072805 LW |
3367 | RETURN; |
3368 | } | |
3369 | ||
3370 | /* Associative arrays. */ | |
3371 | ||
3372 | PP(pp_each) | |
3373 | { | |
59af0135 | 3374 | djSP; |
79072805 | 3375 | HV *hash = (HV*)POPs; |
c07a80fd | 3376 | HE *entry; |
54310121 | 3377 | I32 gimme = GIMME_V; |
c750a3ec | 3378 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 3379 | |
c07a80fd | 3380 | PUTBACK; |
c750a3ec MB |
3381 | /* might clobber stack_sp */ |
3382 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 3383 | SPAGAIN; |
79072805 | 3384 | |
79072805 LW |
3385 | EXTEND(SP, 2); |
3386 | if (entry) { | |
54310121 | 3387 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
3388 | if (gimme == G_ARRAY) { | |
59af0135 | 3389 | SV *val; |
c07a80fd | 3390 | PUTBACK; |
c750a3ec | 3391 | /* might clobber stack_sp */ |
59af0135 GS |
3392 | val = realhv ? |
3393 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); | |
c07a80fd | 3394 | SPAGAIN; |
59af0135 | 3395 | PUSHs(val); |
79072805 | 3396 | } |
79072805 | 3397 | } |
54310121 | 3398 | else if (gimme == G_SCALAR) |
79072805 LW |
3399 | RETPUSHUNDEF; |
3400 | ||
3401 | RETURN; | |
3402 | } | |
3403 | ||
3404 | PP(pp_values) | |
3405 | { | |
cea2e8a9 | 3406 | return do_kv(); |
79072805 LW |
3407 | } |
3408 | ||
3409 | PP(pp_keys) | |
3410 | { | |
cea2e8a9 | 3411 | return do_kv(); |
79072805 LW |
3412 | } |
3413 | ||
3414 | PP(pp_delete) | |
3415 | { | |
4e35701f | 3416 | djSP; |
54310121 | 3417 | I32 gimme = GIMME_V; |
3418 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 3419 | SV *sv; |
5f05dabc | 3420 | HV *hv; |
3421 | ||
533c011a | 3422 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 3423 | dMARK; dORIGMARK; |
97fcbf96 | 3424 | U32 hvtype; |
5f05dabc | 3425 | hv = (HV*)POPs; |
97fcbf96 | 3426 | hvtype = SvTYPE(hv); |
01020589 GS |
3427 | if (hvtype == SVt_PVHV) { /* hash element */ |
3428 | while (++MARK <= SP) { | |
ae77835f | 3429 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
01020589 GS |
3430 | *MARK = sv ? sv : &PL_sv_undef; |
3431 | } | |
5f05dabc | 3432 | } |
01020589 GS |
3433 | else if (hvtype == SVt_PVAV) { |
3434 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ | |
3435 | while (++MARK <= SP) { | |
3436 | sv = av_delete((AV*)hv, SvIV(*MARK), discard); | |
3437 | *MARK = sv ? sv : &PL_sv_undef; | |
3438 | } | |
3439 | } | |
3440 | else { /* pseudo-hash element */ | |
3441 | while (++MARK <= SP) { | |
3442 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); | |
3443 | *MARK = sv ? sv : &PL_sv_undef; | |
3444 | } | |
3445 | } | |
3446 | } | |
3447 | else | |
3448 | DIE(aTHX_ "Not a HASH reference"); | |
54310121 | 3449 | if (discard) |
3450 | SP = ORIGMARK; | |
3451 | else if (gimme == G_SCALAR) { | |
5f05dabc | 3452 | MARK = ORIGMARK; |
3453 | *++MARK = *SP; | |
3454 | SP = MARK; | |
3455 | } | |
3456 | } | |
3457 | else { | |
3458 | SV *keysv = POPs; | |
3459 | hv = (HV*)POPs; | |
97fcbf96 MB |
3460 | if (SvTYPE(hv) == SVt_PVHV) |
3461 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
01020589 GS |
3462 | else if (SvTYPE(hv) == SVt_PVAV) { |
3463 | if (PL_op->op_flags & OPf_SPECIAL) | |
3464 | sv = av_delete((AV*)hv, SvIV(keysv), discard); | |
3465 | else | |
3466 | sv = avhv_delete_ent((AV*)hv, keysv, discard, 0); | |
3467 | } | |
97fcbf96 | 3468 | else |
cea2e8a9 | 3469 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 3470 | if (!sv) |
3280af22 | 3471 | sv = &PL_sv_undef; |
54310121 | 3472 | if (!discard) |
3473 | PUSHs(sv); | |
79072805 | 3474 | } |
79072805 LW |
3475 | RETURN; |
3476 | } | |
3477 | ||
a0d0e21e | 3478 | PP(pp_exists) |
79072805 | 3479 | { |
4e35701f | 3480 | djSP; |
afebc493 GS |
3481 | SV *tmpsv; |
3482 | HV *hv; | |
3483 | ||
3484 | if (PL_op->op_private & OPpEXISTS_SUB) { | |
3485 | GV *gv; | |
3486 | CV *cv; | |
3487 | SV *sv = POPs; | |
3488 | cv = sv_2cv(sv, &hv, &gv, FALSE); | |
3489 | if (cv) | |
3490 | RETPUSHYES; | |
3491 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) | |
3492 | RETPUSHYES; | |
3493 | RETPUSHNO; | |
3494 | } | |
3495 | tmpsv = POPs; | |
3496 | hv = (HV*)POPs; | |
c750a3ec | 3497 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 3498 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 3499 | RETPUSHYES; |
ef54e1a4 JH |
3500 | } |
3501 | else if (SvTYPE(hv) == SVt_PVAV) { | |
01020589 GS |
3502 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
3503 | if (av_exists((AV*)hv, SvIV(tmpsv))) | |
3504 | RETPUSHYES; | |
3505 | } | |
3506 | else if (avhv_exists_ent((AV*)hv, tmpsv, 0)) /* pseudo-hash element */ | |
c750a3ec | 3507 | RETPUSHYES; |
ef54e1a4 JH |
3508 | } |
3509 | else { | |
cea2e8a9 | 3510 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 3511 | } |
a0d0e21e LW |
3512 | RETPUSHNO; |
3513 | } | |
79072805 | 3514 | |
a0d0e21e LW |
3515 | PP(pp_hslice) |
3516 | { | |
4e35701f | 3517 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 3518 | register HV *hv = (HV*)POPs; |
533c011a | 3519 | register I32 lval = PL_op->op_flags & OPf_MOD; |
c750a3ec | 3520 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 3521 | |
0ebe0038 | 3522 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
cea2e8a9 | 3523 | DIE(aTHX_ "Can't localize pseudo-hash element"); |
0ebe0038 | 3524 | |
c750a3ec | 3525 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 3526 | while (++MARK <= SP) { |
f12c7020 | 3527 | SV *keysv = *MARK; |
ae77835f | 3528 | SV **svp; |
1f5346dc | 3529 | I32 preeminent = SvRMAGICAL(hv) ? 1 : hv_exists_ent(hv, keysv, 0); |
ae77835f | 3530 | if (realhv) { |
800e9ae0 | 3531 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
ae77835f | 3532 | svp = he ? &HeVAL(he) : 0; |
ef54e1a4 JH |
3533 | } |
3534 | else { | |
97fcbf96 | 3535 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 3536 | } |
a0d0e21e | 3537 | if (lval) { |
2d8e6c8d GS |
3538 | if (!svp || *svp == &PL_sv_undef) { |
3539 | STRLEN n_a; | |
cea2e8a9 | 3540 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); |
2d8e6c8d | 3541 | } |
1f5346dc | 3542 | if (PL_op->op_private & OPpLVAL_INTRO) { |
a227d84d | 3543 | if (preeminent) |
1f5346dc SC |
3544 | save_helem(hv, keysv, svp); |
3545 | else { | |
3546 | STRLEN keylen; | |
3547 | char *key = SvPV(keysv, keylen); | |
57813020 | 3548 | SAVEDELETE(hv, savepvn(key,keylen), keylen); |
1f5346dc SC |
3549 | } |
3550 | } | |
93a17b20 | 3551 | } |
3280af22 | 3552 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3553 | } |
3554 | } | |
a0d0e21e LW |
3555 | if (GIMME != G_ARRAY) { |
3556 | MARK = ORIGMARK; | |
3557 | *++MARK = *SP; | |
3558 | SP = MARK; | |
79072805 | 3559 | } |
a0d0e21e LW |
3560 | RETURN; |
3561 | } | |
3562 | ||
3563 | /* List operators. */ | |
3564 | ||
3565 | PP(pp_list) | |
3566 | { | |
4e35701f | 3567 | djSP; dMARK; |
a0d0e21e LW |
3568 | if (GIMME != G_ARRAY) { |
3569 | if (++MARK <= SP) | |
3570 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 3571 | else |
3280af22 | 3572 | *MARK = &PL_sv_undef; |
a0d0e21e | 3573 | SP = MARK; |
79072805 | 3574 | } |
a0d0e21e | 3575 | RETURN; |
79072805 LW |
3576 | } |
3577 | ||
a0d0e21e | 3578 | PP(pp_lslice) |
79072805 | 3579 | { |
4e35701f | 3580 | djSP; |
3280af22 NIS |
3581 | SV **lastrelem = PL_stack_sp; |
3582 | SV **lastlelem = PL_stack_base + POPMARK; | |
3583 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
a0d0e21e | 3584 | register SV **firstrelem = lastlelem + 1; |
3280af22 | 3585 | I32 arybase = PL_curcop->cop_arybase; |
533c011a | 3586 | I32 lval = PL_op->op_flags & OPf_MOD; |
4633a7c4 | 3587 | I32 is_something_there = lval; |
79072805 | 3588 | |
a0d0e21e LW |
3589 | register I32 max = lastrelem - lastlelem; |
3590 | register SV **lelem; | |
3591 | register I32 ix; | |
3592 | ||
3593 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
3594 | ix = SvIVx(*lastlelem); |
3595 | if (ix < 0) | |
3596 | ix += max; | |
3597 | else | |
3598 | ix -= arybase; | |
a0d0e21e | 3599 | if (ix < 0 || ix >= max) |
3280af22 | 3600 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
3601 | else |
3602 | *firstlelem = firstrelem[ix]; | |
3603 | SP = firstlelem; | |
3604 | RETURN; | |
3605 | } | |
3606 | ||
3607 | if (max == 0) { | |
3608 | SP = firstlelem - 1; | |
3609 | RETURN; | |
3610 | } | |
3611 | ||
3612 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 3613 | ix = SvIVx(*lelem); |
c73bf8e3 | 3614 | if (ix < 0) |
a0d0e21e | 3615 | ix += max; |
b13b2135 | 3616 | else |
748a9306 | 3617 | ix -= arybase; |
c73bf8e3 HS |
3618 | if (ix < 0 || ix >= max) |
3619 | *lelem = &PL_sv_undef; | |
3620 | else { | |
3621 | is_something_there = TRUE; | |
3622 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 3623 | *lelem = &PL_sv_undef; |
748a9306 | 3624 | } |
79072805 | 3625 | } |
4633a7c4 LW |
3626 | if (is_something_there) |
3627 | SP = lastlelem; | |
3628 | else | |
3629 | SP = firstlelem - 1; | |
79072805 LW |
3630 | RETURN; |
3631 | } | |
3632 | ||
a0d0e21e LW |
3633 | PP(pp_anonlist) |
3634 | { | |
4e35701f | 3635 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 3636 | I32 items = SP - MARK; |
44a8e56a | 3637 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
3638 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
3639 | XPUSHs(av); | |
a0d0e21e LW |
3640 | RETURN; |
3641 | } | |
3642 | ||
3643 | PP(pp_anonhash) | |
79072805 | 3644 | { |
4e35701f | 3645 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3646 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
3647 | ||
3648 | while (MARK < SP) { | |
3649 | SV* key = *++MARK; | |
a0d0e21e LW |
3650 | SV *val = NEWSV(46, 0); |
3651 | if (MARK < SP) | |
3652 | sv_setsv(val, *++MARK); | |
e476b1b5 GS |
3653 | else if (ckWARN(WARN_MISC)) |
3654 | Perl_warner(aTHX_ WARN_MISC, "Odd number of elements in hash assignment"); | |
f12c7020 | 3655 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 3656 | } |
a0d0e21e LW |
3657 | SP = ORIGMARK; |
3658 | XPUSHs((SV*)hv); | |
79072805 LW |
3659 | RETURN; |
3660 | } | |
3661 | ||
a0d0e21e | 3662 | PP(pp_splice) |
79072805 | 3663 | { |
4e35701f | 3664 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3665 | register AV *ary = (AV*)*++MARK; |
3666 | register SV **src; | |
3667 | register SV **dst; | |
3668 | register I32 i; | |
3669 | register I32 offset; | |
3670 | register I32 length; | |
3671 | I32 newlen; | |
3672 | I32 after; | |
3673 | I32 diff; | |
3674 | SV **tmparyval = 0; | |
93965878 NIS |
3675 | MAGIC *mg; |
3676 | ||
155aba94 | 3677 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
33c27489 | 3678 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 | 3679 | PUSHMARK(MARK); |
8ec5e241 | 3680 | PUTBACK; |
a60c0954 | 3681 | ENTER; |
864dbfa3 | 3682 | call_method("SPLICE",GIMME_V); |
a60c0954 | 3683 | LEAVE; |
93965878 NIS |
3684 | SPAGAIN; |
3685 | RETURN; | |
3686 | } | |
79072805 | 3687 | |
a0d0e21e | 3688 | SP++; |
79072805 | 3689 | |
a0d0e21e | 3690 | if (++MARK < SP) { |
84902520 | 3691 | offset = i = SvIVx(*MARK); |
a0d0e21e | 3692 | if (offset < 0) |
93965878 | 3693 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 3694 | else |
3280af22 | 3695 | offset -= PL_curcop->cop_arybase; |
84902520 | 3696 | if (offset < 0) |
cea2e8a9 | 3697 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |
3698 | if (++MARK < SP) { |
3699 | length = SvIVx(*MARK++); | |
48cdf507 GA |
3700 | if (length < 0) { |
3701 | length += AvFILLp(ary) - offset + 1; | |
3702 | if (length < 0) | |
3703 | length = 0; | |
3704 | } | |
79072805 LW |
3705 | } |
3706 | else | |
a0d0e21e | 3707 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 3708 | } |
a0d0e21e LW |
3709 | else { |
3710 | offset = 0; | |
3711 | length = AvMAX(ary) + 1; | |
3712 | } | |
93965878 NIS |
3713 | if (offset > AvFILLp(ary) + 1) |
3714 | offset = AvFILLp(ary) + 1; | |
3715 | after = AvFILLp(ary) + 1 - (offset + length); | |
a0d0e21e LW |
3716 | if (after < 0) { /* not that much array */ |
3717 | length += after; /* offset+length now in array */ | |
3718 | after = 0; | |
3719 | if (!AvALLOC(ary)) | |
3720 | av_extend(ary, 0); | |
3721 | } | |
3722 | ||
3723 | /* At this point, MARK .. SP-1 is our new LIST */ | |
3724 | ||
3725 | newlen = SP - MARK; | |
3726 | diff = newlen - length; | |
13d7cbc1 GS |
3727 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
3728 | av_reify(ary); | |
a0d0e21e LW |
3729 | |
3730 | if (diff < 0) { /* shrinking the area */ | |
3731 | if (newlen) { | |
3732 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
3733 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 3734 | } |
a0d0e21e LW |
3735 | |
3736 | MARK = ORIGMARK + 1; | |
3737 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
3738 | MEXTEND(MARK, length); | |
3739 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
3740 | if (AvREAL(ary)) { | |
bbce6d69 | 3741 | EXTEND_MORTAL(length); |
36477c24 | 3742 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 3743 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 3744 | dst++; |
3745 | } | |
a0d0e21e LW |
3746 | } |
3747 | MARK += length - 1; | |
79072805 | 3748 | } |
a0d0e21e LW |
3749 | else { |
3750 | *MARK = AvARRAY(ary)[offset+length-1]; | |
3751 | if (AvREAL(ary)) { | |
d689ffdd | 3752 | sv_2mortal(*MARK); |
a0d0e21e LW |
3753 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
3754 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 3755 | } |
a0d0e21e | 3756 | } |
93965878 | 3757 | AvFILLp(ary) += diff; |
a0d0e21e LW |
3758 | |
3759 | /* pull up or down? */ | |
3760 | ||
3761 | if (offset < after) { /* easier to pull up */ | |
3762 | if (offset) { /* esp. if nothing to pull */ | |
3763 | src = &AvARRAY(ary)[offset-1]; | |
3764 | dst = src - diff; /* diff is negative */ | |
3765 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
3766 | *dst-- = *src--; | |
79072805 | 3767 | } |
a0d0e21e LW |
3768 | dst = AvARRAY(ary); |
3769 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
3770 | AvMAX(ary) += diff; | |
3771 | } | |