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 | ||
a0d0e21e | 19 | /* variations on pp_null */ |
79072805 | 20 | |
dfe9444c AD |
21 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ |
22 | it, since pid_t is an integral type. | |
23 | --AD 2/20/1998 | |
24 | */ | |
25 | #ifdef NEED_GETPID_PROTO | |
26 | extern Pid_t getpid (void); | |
8ac85365 NIS |
27 | #endif |
28 | ||
93a17b20 LW |
29 | PP(pp_stub) |
30 | { | |
39644a26 | 31 | dSP; |
54310121 | 32 | if (GIMME_V == G_SCALAR) |
3280af22 | 33 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
34 | RETURN; |
35 | } | |
36 | ||
79072805 LW |
37 | PP(pp_scalar) |
38 | { | |
39 | return NORMAL; | |
40 | } | |
41 | ||
42 | /* Pushy stuff. */ | |
43 | ||
93a17b20 LW |
44 | PP(pp_padav) |
45 | { | |
39644a26 | 46 | dSP; dTARGET; |
533c011a NIS |
47 | if (PL_op->op_private & OPpLVAL_INTRO) |
48 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
85e6fe83 | 49 | EXTEND(SP, 1); |
533c011a | 50 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 51 | PUSHs(TARG); |
93a17b20 | 52 | RETURN; |
78f9721b SM |
53 | } else if (LVRET) { |
54 | if (GIMME == G_SCALAR) | |
55 | Perl_croak(aTHX_ "Can't return array to lvalue scalar context"); | |
56 | PUSHs(TARG); | |
57 | RETURN; | |
85e6fe83 LW |
58 | } |
59 | if (GIMME == G_ARRAY) { | |
60 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
61 | EXTEND(SP, maxarg); | |
93965878 NIS |
62 | if (SvMAGICAL(TARG)) { |
63 | U32 i; | |
64 | for (i=0; i < maxarg; i++) { | |
65 | SV **svp = av_fetch((AV*)TARG, i, FALSE); | |
3280af22 | 66 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
67 | } |
68 | } | |
69 | else { | |
70 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
71 | } | |
85e6fe83 LW |
72 | SP += maxarg; |
73 | } | |
74 | else { | |
75 | SV* sv = sv_newmortal(); | |
76 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
77 | sv_setiv(sv, maxarg); | |
78 | PUSHs(sv); | |
79 | } | |
80 | RETURN; | |
93a17b20 LW |
81 | } |
82 | ||
83 | PP(pp_padhv) | |
84 | { | |
39644a26 | 85 | dSP; dTARGET; |
54310121 | 86 | I32 gimme; |
87 | ||
93a17b20 | 88 | XPUSHs(TARG); |
533c011a NIS |
89 | if (PL_op->op_private & OPpLVAL_INTRO) |
90 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
91 | if (PL_op->op_flags & OPf_REF) | |
93a17b20 | 92 | RETURN; |
78f9721b SM |
93 | else if (LVRET) { |
94 | if (GIMME == G_SCALAR) | |
95 | Perl_croak(aTHX_ "Can't return hash to lvalue scalar context"); | |
96 | RETURN; | |
97 | } | |
54310121 | 98 | gimme = GIMME_V; |
99 | if (gimme == G_ARRAY) { | |
cea2e8a9 | 100 | RETURNOP(do_kv()); |
85e6fe83 | 101 | } |
54310121 | 102 | else if (gimme == G_SCALAR) { |
85e6fe83 | 103 | SV* sv = sv_newmortal(); |
46fc3d4c | 104 | if (HvFILL((HV*)TARG)) |
cea2e8a9 | 105 | Perl_sv_setpvf(aTHX_ sv, "%ld/%ld", |
46fc3d4c | 106 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); |
85e6fe83 LW |
107 | else |
108 | sv_setiv(sv, 0); | |
109 | SETs(sv); | |
85e6fe83 | 110 | } |
54310121 | 111 | RETURN; |
93a17b20 LW |
112 | } |
113 | ||
ed6116ce LW |
114 | PP(pp_padany) |
115 | { | |
cea2e8a9 | 116 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
ed6116ce LW |
117 | } |
118 | ||
79072805 LW |
119 | /* Translations. */ |
120 | ||
121 | PP(pp_rv2gv) | |
122 | { | |
39644a26 | 123 | dSP; dTOPss; |
8ec5e241 | 124 | |
ed6116ce | 125 | if (SvROK(sv)) { |
a0d0e21e | 126 | wasref: |
f5284f61 IZ |
127 | tryAMAGICunDEREF(to_gv); |
128 | ||
ed6116ce | 129 | sv = SvRV(sv); |
b1dadf13 | 130 | if (SvTYPE(sv) == SVt_PVIO) { |
131 | GV *gv = (GV*) sv_newmortal(); | |
132 | gv_init(gv, 0, "", 0, 0); | |
133 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 134 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 135 | sv = (SV*) gv; |
ef54e1a4 JH |
136 | } |
137 | else if (SvTYPE(sv) != SVt_PVGV) | |
cea2e8a9 | 138 | DIE(aTHX_ "Not a GLOB reference"); |
79072805 LW |
139 | } |
140 | else { | |
93a17b20 | 141 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 | 142 | char *sym; |
c9d5ac95 | 143 | STRLEN len; |
748a9306 | 144 | |
a0d0e21e LW |
145 | if (SvGMAGICAL(sv)) { |
146 | mg_get(sv); | |
147 | if (SvROK(sv)) | |
148 | goto wasref; | |
149 | } | |
afd1915d | 150 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
b13b2135 | 151 | /* If this is a 'my' scalar and flag is set then vivify |
853846ea | 152 | * NI-S 1999/05/07 |
b13b2135 | 153 | */ |
1d8d4d2a | 154 | if (PL_op->op_private & OPpDEREF) { |
2c8ac474 GS |
155 | char *name; |
156 | GV *gv; | |
157 | if (cUNOP->op_targ) { | |
158 | STRLEN len; | |
159 | SV *namesv = PL_curpad[cUNOP->op_targ]; | |
160 | name = SvPV(namesv, len); | |
2d6d9f7a | 161 | gv = (GV*)NEWSV(0,0); |
2c8ac474 GS |
162 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
163 | } | |
164 | else { | |
165 | name = CopSTASHPV(PL_curcop); | |
166 | gv = newGVgen(name); | |
1d8d4d2a | 167 | } |
b13b2135 NIS |
168 | if (SvTYPE(sv) < SVt_RV) |
169 | sv_upgrade(sv, SVt_RV); | |
2c8ac474 | 170 | SvRV(sv) = (SV*)gv; |
853846ea | 171 | SvROK_on(sv); |
1d8d4d2a | 172 | SvSETMAGIC(sv); |
853846ea | 173 | goto wasref; |
2c8ac474 | 174 | } |
533c011a NIS |
175 | if (PL_op->op_flags & OPf_REF || |
176 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 177 | DIE(aTHX_ PL_no_usym, "a symbol"); |
599cee73 | 178 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 179 | report_uninit(); |
a0d0e21e LW |
180 | RETSETUNDEF; |
181 | } | |
c9d5ac95 | 182 | sym = SvPV(sv,len); |
35cd451c GS |
183 | if ((PL_op->op_flags & OPf_SPECIAL) && |
184 | !(PL_op->op_flags & OPf_MOD)) | |
185 | { | |
186 | sv = (SV*)gv_fetchpv(sym, FALSE, SVt_PVGV); | |
c9d5ac95 GS |
187 | if (!sv |
188 | && (!is_gv_magical(sym,len,0) | |
189 | || !(sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV)))) | |
190 | { | |
35cd451c | 191 | RETSETUNDEF; |
c9d5ac95 | 192 | } |
35cd451c GS |
193 | } |
194 | else { | |
195 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 196 | DIE(aTHX_ PL_no_symref, sym, "a symbol"); |
35cd451c GS |
197 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
198 | } | |
93a17b20 | 199 | } |
79072805 | 200 | } |
533c011a NIS |
201 | if (PL_op->op_private & OPpLVAL_INTRO) |
202 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
203 | SETs(sv); |
204 | RETURN; | |
205 | } | |
206 | ||
79072805 LW |
207 | PP(pp_rv2sv) |
208 | { | |
39644a26 | 209 | dSP; dTOPss; |
79072805 | 210 | |
ed6116ce | 211 | if (SvROK(sv)) { |
a0d0e21e | 212 | wasref: |
f5284f61 IZ |
213 | tryAMAGICunDEREF(to_sv); |
214 | ||
ed6116ce | 215 | sv = SvRV(sv); |
79072805 LW |
216 | switch (SvTYPE(sv)) { |
217 | case SVt_PVAV: | |
218 | case SVt_PVHV: | |
219 | case SVt_PVCV: | |
cea2e8a9 | 220 | DIE(aTHX_ "Not a SCALAR reference"); |
79072805 LW |
221 | } |
222 | } | |
223 | else { | |
f12c7020 | 224 | GV *gv = (GV*)sv; |
748a9306 | 225 | char *sym; |
c9d5ac95 | 226 | STRLEN len; |
748a9306 | 227 | |
463ee0b2 | 228 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
229 | if (SvGMAGICAL(sv)) { |
230 | mg_get(sv); | |
231 | if (SvROK(sv)) | |
232 | goto wasref; | |
233 | } | |
234 | if (!SvOK(sv)) { | |
533c011a NIS |
235 | if (PL_op->op_flags & OPf_REF || |
236 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 237 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
599cee73 | 238 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 239 | report_uninit(); |
a0d0e21e LW |
240 | RETSETUNDEF; |
241 | } | |
c9d5ac95 | 242 | sym = SvPV(sv, len); |
35cd451c GS |
243 | if ((PL_op->op_flags & OPf_SPECIAL) && |
244 | !(PL_op->op_flags & OPf_MOD)) | |
245 | { | |
246 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); | |
c9d5ac95 GS |
247 | if (!gv |
248 | && (!is_gv_magical(sym,len,0) | |
249 | || !(gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV)))) | |
250 | { | |
35cd451c | 251 | RETSETUNDEF; |
c9d5ac95 | 252 | } |
35cd451c GS |
253 | } |
254 | else { | |
255 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 256 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
35cd451c GS |
257 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
258 | } | |
463ee0b2 LW |
259 | } |
260 | sv = GvSV(gv); | |
a0d0e21e | 261 | } |
533c011a NIS |
262 | if (PL_op->op_flags & OPf_MOD) { |
263 | if (PL_op->op_private & OPpLVAL_INTRO) | |
a0d0e21e | 264 | sv = save_scalar((GV*)TOPs); |
533c011a NIS |
265 | else if (PL_op->op_private & OPpDEREF) |
266 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 267 | } |
a0d0e21e | 268 | SETs(sv); |
79072805 LW |
269 | RETURN; |
270 | } | |
271 | ||
272 | PP(pp_av2arylen) | |
273 | { | |
39644a26 | 274 | dSP; |
79072805 LW |
275 | AV *av = (AV*)TOPs; |
276 | SV *sv = AvARYLEN(av); | |
277 | if (!sv) { | |
278 | AvARYLEN(av) = sv = NEWSV(0,0); | |
279 | sv_upgrade(sv, SVt_IV); | |
14befaf4 | 280 | sv_magic(sv, (SV*)av, PERL_MAGIC_arylen, Nullch, 0); |
79072805 LW |
281 | } |
282 | SETs(sv); | |
283 | RETURN; | |
284 | } | |
285 | ||
a0d0e21e LW |
286 | PP(pp_pos) |
287 | { | |
39644a26 | 288 | dSP; dTARGET; dPOPss; |
8ec5e241 | 289 | |
78f9721b | 290 | if (PL_op->op_flags & OPf_MOD || LVRET) { |
5f05dabc | 291 | if (SvTYPE(TARG) < SVt_PVLV) { |
292 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 293 | sv_magic(TARG, Nullsv, PERL_MAGIC_pos, Nullch, 0); |
5f05dabc | 294 | } |
295 | ||
296 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
297 | if (LvTARG(TARG) != sv) { |
298 | if (LvTARG(TARG)) | |
299 | SvREFCNT_dec(LvTARG(TARG)); | |
300 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
301 | } | |
a0d0e21e LW |
302 | PUSHs(TARG); /* no SvSETMAGIC */ |
303 | RETURN; | |
304 | } | |
305 | else { | |
8ec5e241 | 306 | MAGIC* mg; |
a0d0e21e LW |
307 | |
308 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
14befaf4 | 309 | mg = mg_find(sv, PERL_MAGIC_regex_global); |
565764a8 | 310 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 | 311 | I32 i = mg->mg_len; |
7e2040f0 | 312 | if (DO_UTF8(sv)) |
a0ed51b3 LW |
313 | sv_pos_b2u(sv, &i); |
314 | PUSHi(i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
315 | RETURN; |
316 | } | |
317 | } | |
318 | RETPUSHUNDEF; | |
319 | } | |
320 | } | |
321 | ||
79072805 LW |
322 | PP(pp_rv2cv) |
323 | { | |
39644a26 | 324 | dSP; |
79072805 LW |
325 | GV *gv; |
326 | HV *stash; | |
8990e307 | 327 | |
4633a7c4 LW |
328 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
329 | /* (But not in defined().) */ | |
533c011a | 330 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
07055b4c CS |
331 | if (cv) { |
332 | if (CvCLONE(cv)) | |
333 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
d32f2495 SC |
334 | if ((PL_op->op_private & OPpLVAL_INTRO)) { |
335 | if (gv && GvCV(gv) == cv && (gv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), FALSE))) | |
336 | cv = GvCV(gv); | |
337 | if (!CvLVALUE(cv)) | |
338 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); | |
339 | } | |
07055b4c CS |
340 | } |
341 | else | |
3280af22 | 342 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
343 | SETs((SV*)cv); |
344 | RETURN; | |
345 | } | |
346 | ||
c07a80fd | 347 | PP(pp_prototype) |
348 | { | |
39644a26 | 349 | dSP; |
c07a80fd | 350 | CV *cv; |
351 | HV *stash; | |
352 | GV *gv; | |
353 | SV *ret; | |
354 | ||
3280af22 | 355 | ret = &PL_sv_undef; |
b6c543e3 IZ |
356 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
357 | char *s = SvPVX(TOPs); | |
358 | if (strnEQ(s, "CORE::", 6)) { | |
359 | int code; | |
b13b2135 | 360 | |
b6c543e3 IZ |
361 | code = keyword(s + 6, SvCUR(TOPs) - 6); |
362 | if (code < 0) { /* Overridable. */ | |
363 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
364 | int i = 0, n = 0, seen_question = 0; | |
365 | I32 oa; | |
366 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
367 | ||
368 | while (i < MAXO) { /* The slow way. */ | |
22c35a8c GS |
369 | if (strEQ(s + 6, PL_op_name[i]) |
370 | || strEQ(s + 6, PL_op_desc[i])) | |
371 | { | |
b6c543e3 | 372 | goto found; |
22c35a8c | 373 | } |
b6c543e3 IZ |
374 | i++; |
375 | } | |
376 | goto nonesuch; /* Should not happen... */ | |
377 | found: | |
22c35a8c | 378 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 | 379 | while (oa) { |
3012a639 | 380 | if (oa & OA_OPTIONAL && !seen_question) { |
b6c543e3 IZ |
381 | seen_question = 1; |
382 | str[n++] = ';'; | |
ef54e1a4 | 383 | } |
b13b2135 | 384 | else if (n && str[0] == ';' && seen_question) |
b6c543e3 | 385 | goto set; /* XXXX system, exec */ |
b13b2135 | 386 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
6e97e420 SC |
387 | && (oa & (OA_OPTIONAL - 1)) <= OA_SCALARREF |
388 | /* But globs are already references (kinda) */ | |
389 | && (oa & (OA_OPTIONAL - 1)) != OA_FILEREF | |
390 | ) { | |
b6c543e3 IZ |
391 | str[n++] = '\\'; |
392 | } | |
b6c543e3 IZ |
393 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; |
394 | oa = oa >> 4; | |
395 | } | |
396 | str[n++] = '\0'; | |
79cb57f6 | 397 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
398 | } |
399 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
400 | goto set; |
401 | else { /* None such */ | |
402 | nonesuch: | |
d470f89e | 403 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
404 | } |
405 | } | |
406 | } | |
c07a80fd | 407 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 408 | if (cv && SvPOK(cv)) |
79cb57f6 | 409 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
b6c543e3 | 410 | set: |
c07a80fd | 411 | SETs(ret); |
412 | RETURN; | |
413 | } | |
414 | ||
a0d0e21e LW |
415 | PP(pp_anoncode) |
416 | { | |
39644a26 | 417 | dSP; |
533c011a | 418 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
a5f75d66 | 419 | if (CvCLONE(cv)) |
b355b4e0 | 420 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 421 | EXTEND(SP,1); |
748a9306 | 422 | PUSHs((SV*)cv); |
a0d0e21e LW |
423 | RETURN; |
424 | } | |
425 | ||
426 | PP(pp_srefgen) | |
79072805 | 427 | { |
39644a26 | 428 | dSP; |
71be2cbc | 429 | *SP = refto(*SP); |
79072805 | 430 | RETURN; |
8ec5e241 | 431 | } |
a0d0e21e LW |
432 | |
433 | PP(pp_refgen) | |
434 | { | |
39644a26 | 435 | dSP; dMARK; |
a0d0e21e | 436 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
437 | if (++MARK <= SP) |
438 | *MARK = *SP; | |
439 | else | |
3280af22 | 440 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
441 | *MARK = refto(*MARK); |
442 | SP = MARK; | |
443 | RETURN; | |
a0d0e21e | 444 | } |
bbce6d69 | 445 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 446 | while (++MARK <= SP) |
447 | *MARK = refto(*MARK); | |
a0d0e21e | 448 | RETURN; |
79072805 LW |
449 | } |
450 | ||
76e3520e | 451 | STATIC SV* |
cea2e8a9 | 452 | S_refto(pTHX_ SV *sv) |
71be2cbc | 453 | { |
454 | SV* rv; | |
455 | ||
456 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
457 | if (LvTARGLEN(sv)) | |
68dc0745 | 458 | vivify_defelem(sv); |
459 | if (!(sv = LvTARG(sv))) | |
3280af22 | 460 | sv = &PL_sv_undef; |
0dd88869 | 461 | else |
a6c40364 | 462 | (void)SvREFCNT_inc(sv); |
71be2cbc | 463 | } |
d8b46c1b GS |
464 | else if (SvTYPE(sv) == SVt_PVAV) { |
465 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
466 | av_reify((AV*)sv); | |
467 | SvTEMP_off(sv); | |
468 | (void)SvREFCNT_inc(sv); | |
469 | } | |
f2933f5f DM |
470 | else if (SvPADTMP(sv) && !IS_PADGV(sv)) |
471 | sv = newSVsv(sv); | |
71be2cbc | 472 | else { |
473 | SvTEMP_off(sv); | |
474 | (void)SvREFCNT_inc(sv); | |
475 | } | |
476 | rv = sv_newmortal(); | |
477 | sv_upgrade(rv, SVt_RV); | |
478 | SvRV(rv) = sv; | |
479 | SvROK_on(rv); | |
480 | return rv; | |
481 | } | |
482 | ||
79072805 LW |
483 | PP(pp_ref) |
484 | { | |
39644a26 | 485 | dSP; dTARGET; |
463ee0b2 | 486 | SV *sv; |
79072805 LW |
487 | char *pv; |
488 | ||
a0d0e21e | 489 | sv = POPs; |
f12c7020 | 490 | |
491 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 492 | mg_get(sv); |
f12c7020 | 493 | |
a0d0e21e | 494 | if (!sv || !SvROK(sv)) |
4633a7c4 | 495 | RETPUSHNO; |
79072805 | 496 | |
ed6116ce | 497 | sv = SvRV(sv); |
a0d0e21e | 498 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 499 | PUSHp(pv, strlen(pv)); |
79072805 LW |
500 | RETURN; |
501 | } | |
502 | ||
503 | PP(pp_bless) | |
504 | { | |
39644a26 | 505 | dSP; |
463ee0b2 | 506 | HV *stash; |
79072805 | 507 | |
463ee0b2 | 508 | if (MAXARG == 1) |
11faa288 | 509 | stash = CopSTASH(PL_curcop); |
7b8d334a GS |
510 | else { |
511 | SV *ssv = POPs; | |
512 | STRLEN len; | |
81689caa HS |
513 | char *ptr; |
514 | ||
016a42f3 | 515 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
81689caa HS |
516 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
517 | ptr = SvPV(ssv,len); | |
e476b1b5 | 518 | if (ckWARN(WARN_MISC) && len == 0) |
b13b2135 | 519 | Perl_warner(aTHX_ WARN_MISC, |
599cee73 | 520 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
521 | stash = gv_stashpvn(ptr, len, TRUE); |
522 | } | |
a0d0e21e | 523 | |
5d3fdfeb | 524 | (void)sv_bless(TOPs, stash); |
79072805 LW |
525 | RETURN; |
526 | } | |
527 | ||
fb73857a | 528 | PP(pp_gelem) |
529 | { | |
530 | GV *gv; | |
531 | SV *sv; | |
76e3520e | 532 | SV *tmpRef; |
fb73857a | 533 | char *elem; |
39644a26 | 534 | dSP; |
2d8e6c8d | 535 | STRLEN n_a; |
b13b2135 | 536 | |
fb73857a | 537 | sv = POPs; |
2d8e6c8d | 538 | elem = SvPV(sv, n_a); |
fb73857a | 539 | gv = (GV*)POPs; |
76e3520e | 540 | tmpRef = Nullsv; |
fb73857a | 541 | sv = Nullsv; |
542 | switch (elem ? *elem : '\0') | |
543 | { | |
544 | case 'A': | |
545 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 546 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 547 | break; |
548 | case 'C': | |
549 | if (strEQ(elem, "CODE")) | |
76e3520e | 550 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 551 | break; |
552 | case 'F': | |
39b99f21 | 553 | if (strEQ(elem, "FILEHANDLE")) { |
554 | /* finally deprecated in 5.8.0 */ | |
555 | deprecate("*glob{FILEHANDLE}"); | |
76e3520e | 556 | tmpRef = (SV*)GvIOp(gv); |
39b99f21 | 557 | } |
f4d13ee9 JH |
558 | else |
559 | if (strEQ(elem, "FORMAT")) | |
560 | tmpRef = (SV*)GvFORM(gv); | |
fb73857a | 561 | break; |
562 | case 'G': | |
563 | if (strEQ(elem, "GLOB")) | |
76e3520e | 564 | tmpRef = (SV*)gv; |
fb73857a | 565 | break; |
566 | case 'H': | |
567 | if (strEQ(elem, "HASH")) | |
76e3520e | 568 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 569 | break; |
570 | case 'I': | |
571 | if (strEQ(elem, "IO")) | |
76e3520e | 572 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 573 | break; |
574 | case 'N': | |
575 | if (strEQ(elem, "NAME")) | |
79cb57f6 | 576 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
fb73857a | 577 | break; |
578 | case 'P': | |
579 | if (strEQ(elem, "PACKAGE")) | |
580 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
581 | break; | |
582 | case 'S': | |
583 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 584 | tmpRef = GvSV(gv); |
fb73857a | 585 | break; |
586 | } | |
76e3520e GS |
587 | if (tmpRef) |
588 | sv = newRV(tmpRef); | |
fb73857a | 589 | if (sv) |
590 | sv_2mortal(sv); | |
591 | else | |
3280af22 | 592 | sv = &PL_sv_undef; |
fb73857a | 593 | XPUSHs(sv); |
594 | RETURN; | |
595 | } | |
596 | ||
a0d0e21e | 597 | /* Pattern matching */ |
79072805 | 598 | |
a0d0e21e | 599 | PP(pp_study) |
79072805 | 600 | { |
39644a26 | 601 | dSP; dPOPss; |
a0d0e21e LW |
602 | register unsigned char *s; |
603 | register I32 pos; | |
604 | register I32 ch; | |
605 | register I32 *sfirst; | |
606 | register I32 *snext; | |
a0d0e21e LW |
607 | STRLEN len; |
608 | ||
3280af22 | 609 | if (sv == PL_lastscream) { |
1e422769 | 610 | if (SvSCREAM(sv)) |
611 | RETPUSHYES; | |
612 | } | |
c07a80fd | 613 | else { |
3280af22 NIS |
614 | if (PL_lastscream) { |
615 | SvSCREAM_off(PL_lastscream); | |
616 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 617 | } |
3280af22 | 618 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 619 | } |
1e422769 | 620 | |
621 | s = (unsigned char*)(SvPV(sv, len)); | |
622 | pos = len; | |
623 | if (pos <= 0) | |
624 | RETPUSHNO; | |
3280af22 NIS |
625 | if (pos > PL_maxscream) { |
626 | if (PL_maxscream < 0) { | |
627 | PL_maxscream = pos + 80; | |
628 | New(301, PL_screamfirst, 256, I32); | |
629 | New(302, PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
630 | } |
631 | else { | |
3280af22 NIS |
632 | PL_maxscream = pos + pos / 4; |
633 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 634 | } |
79072805 | 635 | } |
a0d0e21e | 636 | |
3280af22 NIS |
637 | sfirst = PL_screamfirst; |
638 | snext = PL_screamnext; | |
a0d0e21e LW |
639 | |
640 | if (!sfirst || !snext) | |
cea2e8a9 | 641 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
642 | |
643 | for (ch = 256; ch; --ch) | |
644 | *sfirst++ = -1; | |
645 | sfirst -= 256; | |
646 | ||
647 | while (--pos >= 0) { | |
648 | ch = s[pos]; | |
649 | if (sfirst[ch] >= 0) | |
650 | snext[pos] = sfirst[ch] - pos; | |
651 | else | |
652 | snext[pos] = -pos; | |
653 | sfirst[ch] = pos; | |
79072805 LW |
654 | } |
655 | ||
c07a80fd | 656 | SvSCREAM_on(sv); |
14befaf4 DM |
657 | /* piggyback on m//g magic */ |
658 | sv_magic(sv, Nullsv, PERL_MAGIC_regex_global, Nullch, 0); | |
1e422769 | 659 | RETPUSHYES; |
79072805 LW |
660 | } |
661 | ||
a0d0e21e | 662 | PP(pp_trans) |
79072805 | 663 | { |
39644a26 | 664 | dSP; dTARG; |
a0d0e21e LW |
665 | SV *sv; |
666 | ||
533c011a | 667 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 668 | sv = POPs; |
79072805 | 669 | else { |
54b9620d | 670 | sv = DEFSV; |
a0d0e21e | 671 | EXTEND(SP,1); |
79072805 | 672 | } |
adbc6bb1 | 673 | TARG = sv_newmortal(); |
4757a243 | 674 | PUSHi(do_trans(sv)); |
a0d0e21e | 675 | RETURN; |
79072805 LW |
676 | } |
677 | ||
a0d0e21e | 678 | /* Lvalue operators. */ |
79072805 | 679 | |
a0d0e21e LW |
680 | PP(pp_schop) |
681 | { | |
39644a26 | 682 | dSP; dTARGET; |
a0d0e21e LW |
683 | do_chop(TARG, TOPs); |
684 | SETTARG; | |
685 | RETURN; | |
79072805 LW |
686 | } |
687 | ||
a0d0e21e | 688 | PP(pp_chop) |
79072805 | 689 | { |
2ec6af5f RG |
690 | dSP; dMARK; dTARGET; dORIGMARK; |
691 | while (MARK < SP) | |
692 | do_chop(TARG, *++MARK); | |
693 | SP = ORIGMARK; | |
a0d0e21e LW |
694 | PUSHTARG; |
695 | RETURN; | |
79072805 LW |
696 | } |
697 | ||
a0d0e21e | 698 | PP(pp_schomp) |
79072805 | 699 | { |
39644a26 | 700 | dSP; dTARGET; |
a0d0e21e LW |
701 | SETi(do_chomp(TOPs)); |
702 | RETURN; | |
79072805 LW |
703 | } |
704 | ||
a0d0e21e | 705 | PP(pp_chomp) |
79072805 | 706 | { |
39644a26 | 707 | dSP; dMARK; dTARGET; |
a0d0e21e | 708 | register I32 count = 0; |
8ec5e241 | 709 | |
a0d0e21e LW |
710 | while (SP > MARK) |
711 | count += do_chomp(POPs); | |
712 | PUSHi(count); | |
713 | RETURN; | |
79072805 LW |
714 | } |
715 | ||
a0d0e21e | 716 | PP(pp_defined) |
463ee0b2 | 717 | { |
39644a26 | 718 | dSP; |
a0d0e21e LW |
719 | register SV* sv; |
720 | ||
721 | sv = POPs; | |
722 | if (!sv || !SvANY(sv)) | |
723 | RETPUSHNO; | |
724 | switch (SvTYPE(sv)) { | |
725 | case SVt_PVAV: | |
14befaf4 DM |
726 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) |
727 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
a0d0e21e LW |
728 | RETPUSHYES; |
729 | break; | |
730 | case SVt_PVHV: | |
14befaf4 DM |
731 | if (HvARRAY(sv) || SvGMAGICAL(sv) |
732 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
a0d0e21e LW |
733 | RETPUSHYES; |
734 | break; | |
735 | case SVt_PVCV: | |
736 | if (CvROOT(sv) || CvXSUB(sv)) | |
737 | RETPUSHYES; | |
738 | break; | |
739 | default: | |
740 | if (SvGMAGICAL(sv)) | |
741 | mg_get(sv); | |
742 | if (SvOK(sv)) | |
743 | RETPUSHYES; | |
744 | } | |
745 | RETPUSHNO; | |
463ee0b2 LW |
746 | } |
747 | ||
a0d0e21e LW |
748 | PP(pp_undef) |
749 | { | |
39644a26 | 750 | dSP; |
a0d0e21e LW |
751 | SV *sv; |
752 | ||
533c011a | 753 | if (!PL_op->op_private) { |
774d564b | 754 | EXTEND(SP, 1); |
a0d0e21e | 755 | RETPUSHUNDEF; |
774d564b | 756 | } |
79072805 | 757 | |
a0d0e21e LW |
758 | sv = POPs; |
759 | if (!sv) | |
760 | RETPUSHUNDEF; | |
85e6fe83 | 761 | |
6fc92669 GS |
762 | if (SvTHINKFIRST(sv)) |
763 | sv_force_normal(sv); | |
85e6fe83 | 764 | |
a0d0e21e LW |
765 | switch (SvTYPE(sv)) { |
766 | case SVt_NULL: | |
767 | break; | |
768 | case SVt_PVAV: | |
769 | av_undef((AV*)sv); | |
770 | break; | |
771 | case SVt_PVHV: | |
772 | hv_undef((HV*)sv); | |
773 | break; | |
774 | case SVt_PVCV: | |
e476b1b5 GS |
775 | if (ckWARN(WARN_MISC) && cv_const_sv((CV*)sv)) |
776 | Perl_warner(aTHX_ WARN_MISC, "Constant subroutine %s undefined", | |
54310121 | 777 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 778 | /* FALL THROUGH */ |
779 | case SVt_PVFM: | |
6fc92669 GS |
780 | { |
781 | /* let user-undef'd sub keep its identity */ | |
65c50114 | 782 | GV* gv = CvGV((CV*)sv); |
6fc92669 GS |
783 | cv_undef((CV*)sv); |
784 | CvGV((CV*)sv) = gv; | |
785 | } | |
a0d0e21e | 786 | break; |
8e07c86e | 787 | case SVt_PVGV: |
44a8e56a | 788 | if (SvFAKE(sv)) |
3280af22 | 789 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
790 | else { |
791 | GP *gp; | |
792 | gp_free((GV*)sv); | |
793 | Newz(602, gp, 1, GP); | |
794 | GvGP(sv) = gp_ref(gp); | |
795 | GvSV(sv) = NEWSV(72,0); | |
57843af0 | 796 | GvLINE(sv) = CopLINE(PL_curcop); |
20408e3c GS |
797 | GvEGV(sv) = (GV*)sv; |
798 | GvMULTI_on(sv); | |
799 | } | |
44a8e56a | 800 | break; |
a0d0e21e | 801 | default: |
1e422769 | 802 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
803 | (void)SvOOK_off(sv); |
804 | Safefree(SvPVX(sv)); | |
805 | SvPV_set(sv, Nullch); | |
806 | SvLEN_set(sv, 0); | |
a0d0e21e | 807 | } |
4633a7c4 LW |
808 | (void)SvOK_off(sv); |
809 | SvSETMAGIC(sv); | |
79072805 | 810 | } |
a0d0e21e LW |
811 | |
812 | RETPUSHUNDEF; | |
79072805 LW |
813 | } |
814 | ||
a0d0e21e | 815 | PP(pp_predec) |
79072805 | 816 | { |
39644a26 | 817 | dSP; |
68dc0745 | 818 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 819 | DIE(aTHX_ PL_no_modify); |
25da4f38 | 820 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 821 | SvIVX(TOPs) != IV_MIN) |
822 | { | |
748a9306 | 823 | --SvIVX(TOPs); |
55497cff | 824 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
825 | } |
826 | else | |
827 | sv_dec(TOPs); | |
a0d0e21e LW |
828 | SvSETMAGIC(TOPs); |
829 | return NORMAL; | |
830 | } | |
79072805 | 831 | |
a0d0e21e LW |
832 | PP(pp_postinc) |
833 | { | |
39644a26 | 834 | dSP; dTARGET; |
68dc0745 | 835 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 836 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 837 | sv_setsv(TARG, TOPs); |
25da4f38 | 838 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 839 | SvIVX(TOPs) != IV_MAX) |
840 | { | |
748a9306 | 841 | ++SvIVX(TOPs); |
55497cff | 842 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
843 | } |
844 | else | |
845 | sv_inc(TOPs); | |
a0d0e21e LW |
846 | SvSETMAGIC(TOPs); |
847 | if (!SvOK(TARG)) | |
848 | sv_setiv(TARG, 0); | |
849 | SETs(TARG); | |
850 | return NORMAL; | |
851 | } | |
79072805 | 852 | |
a0d0e21e LW |
853 | PP(pp_postdec) |
854 | { | |
39644a26 | 855 | dSP; dTARGET; |
43192e07 | 856 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 857 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 858 | sv_setsv(TARG, TOPs); |
25da4f38 | 859 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 860 | SvIVX(TOPs) != IV_MIN) |
861 | { | |
748a9306 | 862 | --SvIVX(TOPs); |
55497cff | 863 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
864 | } |
865 | else | |
866 | sv_dec(TOPs); | |
a0d0e21e LW |
867 | SvSETMAGIC(TOPs); |
868 | SETs(TARG); | |
869 | return NORMAL; | |
870 | } | |
79072805 | 871 | |
a0d0e21e LW |
872 | /* Ordinary operators. */ |
873 | ||
874 | PP(pp_pow) | |
875 | { | |
39644a26 | 876 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
877 | { |
878 | dPOPTOPnnrl; | |
73b309ea | 879 | SETn( Perl_pow( left, right) ); |
a0d0e21e | 880 | RETURN; |
93a17b20 | 881 | } |
a0d0e21e LW |
882 | } |
883 | ||
884 | PP(pp_multiply) | |
885 | { | |
39644a26 | 886 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
28e5dec8 JH |
887 | #ifdef PERL_PRESERVE_IVUV |
888 | SvIV_please(TOPs); | |
889 | if (SvIOK(TOPs)) { | |
890 | /* Unless the left argument is integer in range we are going to have to | |
891 | use NV maths. Hence only attempt to coerce the right argument if | |
892 | we know the left is integer. */ | |
893 | /* Left operand is defined, so is it IV? */ | |
894 | SvIV_please(TOPm1s); | |
895 | if (SvIOK(TOPm1s)) { | |
896 | bool auvok = SvUOK(TOPm1s); | |
897 | bool buvok = SvUOK(TOPs); | |
898 | const UV topmask = (~ (UV)0) << (4 * sizeof (UV)); | |
899 | const UV botmask = ~((~ (UV)0) << (4 * sizeof (UV))); | |
900 | UV alow; | |
901 | UV ahigh; | |
902 | UV blow; | |
903 | UV bhigh; | |
904 | ||
905 | if (auvok) { | |
906 | alow = SvUVX(TOPm1s); | |
907 | } else { | |
908 | IV aiv = SvIVX(TOPm1s); | |
909 | if (aiv >= 0) { | |
910 | alow = aiv; | |
911 | auvok = TRUE; /* effectively it's a UV now */ | |
912 | } else { | |
913 | alow = -aiv; /* abs, auvok == false records sign */ | |
914 | } | |
915 | } | |
916 | if (buvok) { | |
917 | blow = SvUVX(TOPs); | |
918 | } else { | |
919 | IV biv = SvIVX(TOPs); | |
920 | if (biv >= 0) { | |
921 | blow = biv; | |
922 | buvok = TRUE; /* effectively it's a UV now */ | |
923 | } else { | |
924 | blow = -biv; /* abs, buvok == false records sign */ | |
925 | } | |
926 | } | |
927 | ||
928 | /* If this does sign extension on unsigned it's time for plan B */ | |
929 | ahigh = alow >> (4 * sizeof (UV)); | |
930 | alow &= botmask; | |
931 | bhigh = blow >> (4 * sizeof (UV)); | |
932 | blow &= botmask; | |
933 | if (ahigh && bhigh) { | |
934 | /* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000 | |
935 | which is overflow. Drop to NVs below. */ | |
936 | } else if (!ahigh && !bhigh) { | |
937 | /* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001 | |
938 | so the unsigned multiply cannot overflow. */ | |
939 | UV product = alow * blow; | |
940 | if (auvok == buvok) { | |
941 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
942 | SP--; | |
943 | SETu( product ); | |
944 | RETURN; | |
945 | } else if (product <= (UV)IV_MIN) { | |
946 | /* 2s complement assumption that (UV)-IV_MIN is correct. */ | |
947 | /* -ve result, which could overflow an IV */ | |
948 | SP--; | |
25716404 | 949 | SETi( -(IV)product ); |
28e5dec8 JH |
950 | RETURN; |
951 | } /* else drop to NVs below. */ | |
952 | } else { | |
953 | /* One operand is large, 1 small */ | |
954 | UV product_middle; | |
955 | if (bhigh) { | |
956 | /* swap the operands */ | |
957 | ahigh = bhigh; | |
958 | bhigh = blow; /* bhigh now the temp var for the swap */ | |
959 | blow = alow; | |
960 | alow = bhigh; | |
961 | } | |
962 | /* now, ((ahigh * blow) << half_UV_len) + (alow * blow) | |
963 | multiplies can't overflow. shift can, add can, -ve can. */ | |
964 | product_middle = ahigh * blow; | |
965 | if (!(product_middle & topmask)) { | |
966 | /* OK, (ahigh * blow) won't lose bits when we shift it. */ | |
967 | UV product_low; | |
968 | product_middle <<= (4 * sizeof (UV)); | |
969 | product_low = alow * blow; | |
970 | ||
971 | /* as for pp_add, UV + something mustn't get smaller. | |
972 | IIRC ANSI mandates this wrapping *behaviour* for | |
973 | unsigned whatever the actual representation*/ | |
974 | product_low += product_middle; | |
975 | if (product_low >= product_middle) { | |
976 | /* didn't overflow */ | |
977 | if (auvok == buvok) { | |
978 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
979 | SP--; | |
980 | SETu( product_low ); | |
981 | RETURN; | |
982 | } else if (product_low <= (UV)IV_MIN) { | |
983 | /* 2s complement assumption again */ | |
984 | /* -ve result, which could overflow an IV */ | |
985 | SP--; | |
25716404 | 986 | SETi( -(IV)product_low ); |
28e5dec8 JH |
987 | RETURN; |
988 | } /* else drop to NVs below. */ | |
989 | } | |
990 | } /* product_middle too large */ | |
991 | } /* ahigh && bhigh */ | |
992 | } /* SvIOK(TOPm1s) */ | |
993 | } /* SvIOK(TOPs) */ | |
994 | #endif | |
a0d0e21e LW |
995 | { |
996 | dPOPTOPnnrl; | |
997 | SETn( left * right ); | |
998 | RETURN; | |
79072805 | 999 | } |
a0d0e21e LW |
1000 | } |
1001 | ||
1002 | PP(pp_divide) | |
1003 | { | |
39644a26 | 1004 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
5479d192 NC |
1005 | /* Only try to do UV divide first |
1006 | if ((SLOPPYDIVIDE is true) or | |
1007 | (PERL_PRESERVE_IVUV is true and one or both SV is a UV too large | |
1008 | to preserve)) | |
1009 | The assumption is that it is better to use floating point divide | |
1010 | whenever possible, only doing integer divide first if we can't be sure. | |
1011 | If NV_PRESERVES_UV is true then we know at compile time that no UV | |
1012 | can be too large to preserve, so don't need to compile the code to | |
1013 | test the size of UVs. */ | |
1014 | ||
a0d0e21e | 1015 | #ifdef SLOPPYDIVIDE |
5479d192 NC |
1016 | # define PERL_TRY_UV_DIVIDE |
1017 | /* ensure that 20./5. == 4. */ | |
a0d0e21e | 1018 | #else |
5479d192 NC |
1019 | # ifdef PERL_PRESERVE_IVUV |
1020 | # ifndef NV_PRESERVES_UV | |
1021 | # define PERL_TRY_UV_DIVIDE | |
1022 | # endif | |
1023 | # endif | |
a0d0e21e | 1024 | #endif |
5479d192 NC |
1025 | |
1026 | #ifdef PERL_TRY_UV_DIVIDE | |
1027 | SvIV_please(TOPs); | |
1028 | if (SvIOK(TOPs)) { | |
1029 | SvIV_please(TOPm1s); | |
1030 | if (SvIOK(TOPm1s)) { | |
1031 | bool left_non_neg = SvUOK(TOPm1s); | |
1032 | bool right_non_neg = SvUOK(TOPs); | |
1033 | UV left; | |
1034 | UV right; | |
1035 | ||
1036 | if (right_non_neg) { | |
1037 | right = SvUVX(TOPs); | |
1038 | } | |
1039 | else { | |
1040 | IV biv = SvIVX(TOPs); | |
1041 | if (biv >= 0) { | |
1042 | right = biv; | |
1043 | right_non_neg = TRUE; /* effectively it's a UV now */ | |
1044 | } | |
1045 | else { | |
1046 | right = -biv; | |
1047 | } | |
1048 | } | |
1049 | /* historically undef()/0 gives a "Use of uninitialized value" | |
1050 | warning before dieing, hence this test goes here. | |
1051 | If it were immediately before the second SvIV_please, then | |
1052 | DIE() would be invoked before left was even inspected, so | |
1053 | no inpsection would give no warning. */ | |
1054 | if (right == 0) | |
1055 | DIE(aTHX_ "Illegal division by zero"); | |
1056 | ||
1057 | if (left_non_neg) { | |
1058 | left = SvUVX(TOPm1s); | |
1059 | } | |
1060 | else { | |
1061 | IV aiv = SvIVX(TOPm1s); | |
1062 | if (aiv >= 0) { | |
1063 | left = aiv; | |
1064 | left_non_neg = TRUE; /* effectively it's a UV now */ | |
1065 | } | |
1066 | else { | |
1067 | left = -aiv; | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | if (left >= right | |
1072 | #ifdef SLOPPYDIVIDE | |
1073 | /* For sloppy divide we always attempt integer division. */ | |
1074 | #else | |
1075 | /* Otherwise we only attempt it if either or both operands | |
1076 | would not be preserved by an NV. If both fit in NVs | |
0c2ee62a NC |
1077 | we fall through to the NV divide code below. However, |
1078 | as left >= right to ensure integer result here, we know that | |
1079 | we can skip the test on the right operand - right big | |
1080 | enough not to be preserved can't get here unless left is | |
1081 | also too big. */ | |
1082 | ||
1083 | && (left > ((UV)1 << NV_PRESERVES_UV_BITS)) | |
5479d192 NC |
1084 | #endif |
1085 | ) { | |
1086 | /* Integer division can't overflow, but it can be imprecise. */ | |
1087 | UV result = left / right; | |
1088 | if (result * right == left) { | |
1089 | SP--; /* result is valid */ | |
1090 | if (left_non_neg == right_non_neg) { | |
1091 | /* signs identical, result is positive. */ | |
1092 | SETu( result ); | |
1093 | RETURN; | |
1094 | } | |
1095 | /* 2s complement assumption */ | |
1096 | if (result <= (UV)IV_MIN) | |
1097 | SETi( -result ); | |
1098 | else { | |
1099 | /* It's exact but too negative for IV. */ | |
1100 | SETn( -(NV)result ); | |
1101 | } | |
1102 | RETURN; | |
1103 | } /* tried integer divide but it was not an integer result */ | |
1104 | } /* else (abs(result) < 1.0) or (both UVs in range for NV) */ | |
1105 | } /* left wasn't SvIOK */ | |
1106 | } /* right wasn't SvIOK */ | |
1107 | #endif /* PERL_TRY_UV_DIVIDE */ | |
1108 | { | |
1109 | dPOPPOPnnrl; | |
1110 | if (right == 0.0) | |
1111 | DIE(aTHX_ "Illegal division by zero"); | |
1112 | PUSHn( left / right ); | |
1113 | RETURN; | |
79072805 | 1114 | } |
a0d0e21e LW |
1115 | } |
1116 | ||
1117 | PP(pp_modulo) | |
1118 | { | |
39644a26 | 1119 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 1120 | { |
9c5ffd7c JH |
1121 | UV left = 0; |
1122 | UV right = 0; | |
787eafbd IZ |
1123 | bool left_neg; |
1124 | bool right_neg; | |
e2c88acc NC |
1125 | bool use_double = FALSE; |
1126 | bool dright_valid = FALSE; | |
9c5ffd7c JH |
1127 | NV dright = 0.0; |
1128 | NV dleft = 0.0; | |
787eafbd | 1129 | |
e2c88acc NC |
1130 | SvIV_please(TOPs); |
1131 | if (SvIOK(TOPs)) { | |
1132 | right_neg = !SvUOK(TOPs); | |
1133 | if (!right_neg) { | |
1134 | right = SvUVX(POPs); | |
1135 | } else { | |
1136 | IV biv = SvIVX(POPs); | |
1137 | if (biv >= 0) { | |
1138 | right = biv; | |
1139 | right_neg = FALSE; /* effectively it's a UV now */ | |
1140 | } else { | |
1141 | right = -biv; | |
1142 | } | |
1143 | } | |
1144 | } | |
1145 | else { | |
787eafbd | 1146 | dright = POPn; |
787eafbd IZ |
1147 | right_neg = dright < 0; |
1148 | if (right_neg) | |
1149 | dright = -dright; | |
e2c88acc NC |
1150 | if (dright < UV_MAX_P1) { |
1151 | right = U_V(dright); | |
1152 | dright_valid = TRUE; /* In case we need to use double below. */ | |
1153 | } else { | |
1154 | use_double = TRUE; | |
1155 | } | |
787eafbd | 1156 | } |
a0d0e21e | 1157 | |
e2c88acc NC |
1158 | /* At this point use_double is only true if right is out of range for |
1159 | a UV. In range NV has been rounded down to nearest UV and | |
1160 | use_double false. */ | |
1161 | SvIV_please(TOPs); | |
1162 | if (!use_double && SvIOK(TOPs)) { | |
1163 | if (SvIOK(TOPs)) { | |
1164 | left_neg = !SvUOK(TOPs); | |
1165 | if (!left_neg) { | |
1166 | left = SvUVX(POPs); | |
1167 | } else { | |
1168 | IV aiv = SvIVX(POPs); | |
1169 | if (aiv >= 0) { | |
1170 | left = aiv; | |
1171 | left_neg = FALSE; /* effectively it's a UV now */ | |
1172 | } else { | |
1173 | left = -aiv; | |
1174 | } | |
1175 | } | |
1176 | } | |
1177 | } | |
787eafbd IZ |
1178 | else { |
1179 | dleft = POPn; | |
787eafbd IZ |
1180 | left_neg = dleft < 0; |
1181 | if (left_neg) | |
1182 | dleft = -dleft; | |
68dc0745 | 1183 | |
e2c88acc NC |
1184 | /* This should be exactly the 5.6 behaviour - if left and right are |
1185 | both in range for UV then use U_V() rather than floor. */ | |
1186 | if (!use_double) { | |
1187 | if (dleft < UV_MAX_P1) { | |
1188 | /* right was in range, so is dleft, so use UVs not double. | |
1189 | */ | |
1190 | left = U_V(dleft); | |
1191 | } | |
1192 | /* left is out of range for UV, right was in range, so promote | |
1193 | right (back) to double. */ | |
1194 | else { | |
1195 | /* The +0.5 is used in 5.6 even though it is not strictly | |
1196 | consistent with the implicit +0 floor in the U_V() | |
1197 | inside the #if 1. */ | |
1198 | dleft = Perl_floor(dleft + 0.5); | |
1199 | use_double = TRUE; | |
1200 | if (dright_valid) | |
1201 | dright = Perl_floor(dright + 0.5); | |
1202 | else | |
1203 | dright = right; | |
1204 | } | |
1205 | } | |
1206 | } | |
787eafbd | 1207 | if (use_double) { |
65202027 | 1208 | NV dans; |
787eafbd | 1209 | |
787eafbd | 1210 | if (!dright) |
cea2e8a9 | 1211 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd | 1212 | |
65202027 | 1213 | dans = Perl_fmod(dleft, dright); |
787eafbd IZ |
1214 | if ((left_neg != right_neg) && dans) |
1215 | dans = dright - dans; | |
1216 | if (right_neg) | |
1217 | dans = -dans; | |
1218 | sv_setnv(TARG, dans); | |
1219 | } | |
1220 | else { | |
1221 | UV ans; | |
1222 | ||
787eafbd | 1223 | if (!right) |
cea2e8a9 | 1224 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1225 | |
1226 | ans = left % right; | |
1227 | if ((left_neg != right_neg) && ans) | |
1228 | ans = right - ans; | |
1229 | if (right_neg) { | |
1230 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1231 | /* could change -foo to be (~foo)+1 instead */ | |
1232 | if (ans <= ~((UV)IV_MAX)+1) | |
1233 | sv_setiv(TARG, ~ans+1); | |
1234 | else | |
65202027 | 1235 | sv_setnv(TARG, -(NV)ans); |
787eafbd IZ |
1236 | } |
1237 | else | |
1238 | sv_setuv(TARG, ans); | |
1239 | } | |
1240 | PUSHTARG; | |
1241 | RETURN; | |
79072805 | 1242 | } |
a0d0e21e | 1243 | } |
79072805 | 1244 | |
a0d0e21e LW |
1245 | PP(pp_repeat) |
1246 | { | |
39644a26 | 1247 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1248 | { |
467f0320 | 1249 | register IV count = POPi; |
533c011a | 1250 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
1251 | dMARK; |
1252 | I32 items = SP - MARK; | |
1253 | I32 max; | |
79072805 | 1254 | |
a0d0e21e LW |
1255 | max = items * count; |
1256 | MEXTEND(MARK, max); | |
1257 | if (count > 1) { | |
1258 | while (SP > MARK) { | |
e30acc16 RH |
1259 | if (*SP) { |
1260 | *SP = sv_2mortal(newSVsv(*SP)); | |
1261 | SvREADONLY_on(*SP); | |
1262 | } | |
a0d0e21e | 1263 | SP--; |
79072805 | 1264 | } |
a0d0e21e LW |
1265 | MARK++; |
1266 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1267 | items * sizeof(SV*), count - 1); | |
1268 | SP += max; | |
79072805 | 1269 | } |
a0d0e21e LW |
1270 | else if (count <= 0) |
1271 | SP -= items; | |
79072805 | 1272 | } |
a0d0e21e | 1273 | else { /* Note: mark already snarfed by pp_list */ |
dfcb284a | 1274 | SV *tmpstr = POPs; |
a0d0e21e | 1275 | STRLEN len; |
9b877dbb | 1276 | bool isutf; |
a0d0e21e | 1277 | |
a0d0e21e LW |
1278 | SvSetSV(TARG, tmpstr); |
1279 | SvPV_force(TARG, len); | |
9b877dbb | 1280 | isutf = DO_UTF8(TARG); |
8ebc5c01 | 1281 | if (count != 1) { |
1282 | if (count < 1) | |
1283 | SvCUR_set(TARG, 0); | |
1284 | else { | |
1285 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1286 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1287 | SvCUR(TARG) *= count; |
7a4c00b4 | 1288 | } |
a0d0e21e | 1289 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1290 | } |
dfcb284a GS |
1291 | if (isutf) |
1292 | (void)SvPOK_only_UTF8(TARG); | |
1293 | else | |
1294 | (void)SvPOK_only(TARG); | |
b80b6069 RH |
1295 | |
1296 | if (PL_op->op_private & OPpREPEAT_DOLIST) { | |
1297 | /* The parser saw this as a list repeat, and there | |
1298 | are probably several items on the stack. But we're | |
1299 | in scalar context, and there's no pp_list to save us | |
1300 | now. So drop the rest of the items -- robin@kitsite.com | |
1301 | */ | |
1302 | dMARK; | |
1303 | SP = MARK; | |
1304 | } | |
a0d0e21e | 1305 | PUSHTARG; |
79072805 | 1306 | } |
a0d0e21e | 1307 | RETURN; |
748a9306 | 1308 | } |
a0d0e21e | 1309 | } |
79072805 | 1310 | |
a0d0e21e LW |
1311 | PP(pp_subtract) |
1312 | { | |
39644a26 | 1313 | dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
28e5dec8 JH |
1314 | useleft = USE_LEFT(TOPm1s); |
1315 | #ifdef PERL_PRESERVE_IVUV | |
7dca457a NC |
1316 | /* See comments in pp_add (in pp_hot.c) about Overflow, and how |
1317 | "bad things" happen if you rely on signed integers wrapping. */ | |
28e5dec8 JH |
1318 | SvIV_please(TOPs); |
1319 | if (SvIOK(TOPs)) { | |
1320 | /* Unless the left argument is integer in range we are going to have to | |
1321 | use NV maths. Hence only attempt to coerce the right argument if | |
1322 | we know the left is integer. */ | |
9c5ffd7c JH |
1323 | register UV auv = 0; |
1324 | bool auvok = FALSE; | |
7dca457a NC |
1325 | bool a_valid = 0; |
1326 | ||
28e5dec8 | 1327 | if (!useleft) { |
7dca457a NC |
1328 | auv = 0; |
1329 | a_valid = auvok = 1; | |
1330 | /* left operand is undef, treat as zero. */ | |
28e5dec8 JH |
1331 | } else { |
1332 | /* Left operand is defined, so is it IV? */ | |
1333 | SvIV_please(TOPm1s); | |
1334 | if (SvIOK(TOPm1s)) { | |
7dca457a NC |
1335 | if ((auvok = SvUOK(TOPm1s))) |
1336 | auv = SvUVX(TOPm1s); | |
1337 | else { | |
1338 | register IV aiv = SvIVX(TOPm1s); | |
1339 | if (aiv >= 0) { | |
1340 | auv = aiv; | |
1341 | auvok = 1; /* Now acting as a sign flag. */ | |
1342 | } else { /* 2s complement assumption for IV_MIN */ | |
1343 | auv = (UV)-aiv; | |
28e5dec8 | 1344 | } |
7dca457a NC |
1345 | } |
1346 | a_valid = 1; | |
1347 | } | |
1348 | } | |
1349 | if (a_valid) { | |
1350 | bool result_good = 0; | |
1351 | UV result; | |
1352 | register UV buv; | |
1353 | bool buvok = SvUOK(TOPs); | |
9041c2e3 | 1354 | |
7dca457a NC |
1355 | if (buvok) |
1356 | buv = SvUVX(TOPs); | |
1357 | else { | |
1358 | register IV biv = SvIVX(TOPs); | |
1359 | if (biv >= 0) { | |
1360 | buv = biv; | |
1361 | buvok = 1; | |
1362 | } else | |
1363 | buv = (UV)-biv; | |
1364 | } | |
1365 | /* ?uvok if value is >= 0. basically, flagged as UV if it's +ve, | |
1366 | else "IV" now, independant of how it came in. | |
1367 | if a, b represents positive, A, B negative, a maps to -A etc | |
1368 | a - b => (a - b) | |
1369 | A - b => -(a + b) | |
1370 | a - B => (a + b) | |
1371 | A - B => -(a - b) | |
1372 | all UV maths. negate result if A negative. | |
1373 | subtract if signs same, add if signs differ. */ | |
1374 | ||
1375 | if (auvok ^ buvok) { | |
1376 | /* Signs differ. */ | |
1377 | result = auv + buv; | |
1378 | if (result >= auv) | |
1379 | result_good = 1; | |
1380 | } else { | |
1381 | /* Signs same */ | |
1382 | if (auv >= buv) { | |
1383 | result = auv - buv; | |
1384 | /* Must get smaller */ | |
1385 | if (result <= auv) | |
1386 | result_good = 1; | |
1387 | } else { | |
1388 | result = buv - auv; | |
1389 | if (result <= buv) { | |
1390 | /* result really should be -(auv-buv). as its negation | |
1391 | of true value, need to swap our result flag */ | |
1392 | auvok = !auvok; | |
1393 | result_good = 1; | |
28e5dec8 | 1394 | } |
28e5dec8 JH |
1395 | } |
1396 | } | |
7dca457a NC |
1397 | if (result_good) { |
1398 | SP--; | |
1399 | if (auvok) | |
1400 | SETu( result ); | |
1401 | else { | |
1402 | /* Negate result */ | |
1403 | if (result <= (UV)IV_MIN) | |
1404 | SETi( -(IV)result ); | |
1405 | else { | |
1406 | /* result valid, but out of range for IV. */ | |
1407 | SETn( -(NV)result ); | |
1408 | } | |
1409 | } | |
1410 | RETURN; | |
1411 | } /* Overflow, drop through to NVs. */ | |
28e5dec8 JH |
1412 | } |
1413 | } | |
1414 | #endif | |
7dca457a | 1415 | useleft = USE_LEFT(TOPm1s); |
a0d0e21e | 1416 | { |
28e5dec8 JH |
1417 | dPOPnv; |
1418 | if (!useleft) { | |
1419 | /* left operand is undef, treat as zero - value */ | |
1420 | SETn(-value); | |
1421 | RETURN; | |
1422 | } | |
1423 | SETn( TOPn - value ); | |
1424 | RETURN; | |
79072805 | 1425 | } |
a0d0e21e | 1426 | } |
79072805 | 1427 | |
a0d0e21e LW |
1428 | PP(pp_left_shift) |
1429 | { | |
39644a26 | 1430 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1431 | { |
972b05a9 | 1432 | IV shift = POPi; |
d0ba1bd2 | 1433 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1434 | IV i = TOPi; |
1435 | SETi(i << shift); | |
d0ba1bd2 JH |
1436 | } |
1437 | else { | |
972b05a9 JH |
1438 | UV u = TOPu; |
1439 | SETu(u << shift); | |
d0ba1bd2 | 1440 | } |
55497cff | 1441 | RETURN; |
79072805 | 1442 | } |
a0d0e21e | 1443 | } |
79072805 | 1444 | |
a0d0e21e LW |
1445 | PP(pp_right_shift) |
1446 | { | |
39644a26 | 1447 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1448 | { |
972b05a9 | 1449 | IV shift = POPi; |
d0ba1bd2 | 1450 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1451 | IV i = TOPi; |
1452 | SETi(i >> shift); | |
d0ba1bd2 JH |
1453 | } |
1454 | else { | |
972b05a9 JH |
1455 | UV u = TOPu; |
1456 | SETu(u >> shift); | |
d0ba1bd2 | 1457 | } |
a0d0e21e | 1458 | RETURN; |
93a17b20 | 1459 | } |
79072805 LW |
1460 | } |
1461 | ||
a0d0e21e | 1462 | PP(pp_lt) |
79072805 | 1463 | { |
39644a26 | 1464 | dSP; tryAMAGICbinSET(lt,0); |
28e5dec8 JH |
1465 | #ifdef PERL_PRESERVE_IVUV |
1466 | SvIV_please(TOPs); | |
1467 | if (SvIOK(TOPs)) { | |
1468 | SvIV_please(TOPm1s); | |
1469 | if (SvIOK(TOPm1s)) { | |
1470 | bool auvok = SvUOK(TOPm1s); | |
1471 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1472 | |
28e5dec8 JH |
1473 | if (!auvok && !buvok) { /* ## IV < IV ## */ |
1474 | IV aiv = SvIVX(TOPm1s); | |
1475 | IV biv = SvIVX(TOPs); | |
1476 | ||
1477 | SP--; | |
1478 | SETs(boolSV(aiv < biv)); | |
1479 | RETURN; | |
1480 | } | |
1481 | if (auvok && buvok) { /* ## UV < UV ## */ | |
1482 | UV auv = SvUVX(TOPm1s); | |
1483 | UV buv = SvUVX(TOPs); | |
1484 | ||
1485 | SP--; | |
1486 | SETs(boolSV(auv < buv)); | |
1487 | RETURN; | |
1488 | } | |
1489 | if (auvok) { /* ## UV < IV ## */ | |
1490 | UV auv; | |
1491 | IV biv; | |
1492 | ||
1493 | biv = SvIVX(TOPs); | |
1494 | SP--; | |
1495 | if (biv < 0) { | |
1496 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1497 | SETs(&PL_sv_no); | |
1498 | RETURN; | |
1499 | } | |
1500 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1501 | SETs(boolSV(auv < (UV)biv)); |
1502 | RETURN; | |
1503 | } | |
1504 | { /* ## IV < UV ## */ | |
1505 | IV aiv; | |
1506 | UV buv; | |
1507 | ||
1508 | aiv = SvIVX(TOPm1s); | |
1509 | if (aiv < 0) { | |
1510 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1511 | SP--; | |
1512 | SETs(&PL_sv_yes); | |
1513 | RETURN; | |
1514 | } | |
1515 | buv = SvUVX(TOPs); | |
1516 | SP--; | |
28e5dec8 JH |
1517 | SETs(boolSV((UV)aiv < buv)); |
1518 | RETURN; | |
1519 | } | |
1520 | } | |
1521 | } | |
1522 | #endif | |
a0d0e21e LW |
1523 | { |
1524 | dPOPnv; | |
54310121 | 1525 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1526 | RETURN; |
79072805 | 1527 | } |
a0d0e21e | 1528 | } |
79072805 | 1529 | |
a0d0e21e LW |
1530 | PP(pp_gt) |
1531 | { | |
39644a26 | 1532 | dSP; tryAMAGICbinSET(gt,0); |
28e5dec8 JH |
1533 | #ifdef PERL_PRESERVE_IVUV |
1534 | SvIV_please(TOPs); | |
1535 | if (SvIOK(TOPs)) { | |
1536 | SvIV_please(TOPm1s); | |
1537 | if (SvIOK(TOPm1s)) { | |
1538 | bool auvok = SvUOK(TOPm1s); | |
1539 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1540 | |
28e5dec8 JH |
1541 | if (!auvok && !buvok) { /* ## IV > IV ## */ |
1542 | IV aiv = SvIVX(TOPm1s); | |
1543 | IV biv = SvIVX(TOPs); | |
1544 | ||
1545 | SP--; | |
1546 | SETs(boolSV(aiv > biv)); | |
1547 | RETURN; | |
1548 | } | |
1549 | if (auvok && buvok) { /* ## UV > UV ## */ | |
1550 | UV auv = SvUVX(TOPm1s); | |
1551 | UV buv = SvUVX(TOPs); | |
1552 | ||
1553 | SP--; | |
1554 | SETs(boolSV(auv > buv)); | |
1555 | RETURN; | |
1556 | } | |
1557 | if (auvok) { /* ## UV > IV ## */ | |
1558 | UV auv; | |
1559 | IV biv; | |
1560 | ||
1561 | biv = SvIVX(TOPs); | |
1562 | SP--; | |
1563 | if (biv < 0) { | |
1564 | /* As (a) is a UV, it's >=0, so it must be > */ | |
1565 | SETs(&PL_sv_yes); | |
1566 | RETURN; | |
1567 | } | |
1568 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1569 | SETs(boolSV(auv > (UV)biv)); |
1570 | RETURN; | |
1571 | } | |
1572 | { /* ## IV > UV ## */ | |
1573 | IV aiv; | |
1574 | UV buv; | |
1575 | ||
1576 | aiv = SvIVX(TOPm1s); | |
1577 | if (aiv < 0) { | |
1578 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
1579 | SP--; | |
1580 | SETs(&PL_sv_no); | |
1581 | RETURN; | |
1582 | } | |
1583 | buv = SvUVX(TOPs); | |
1584 | SP--; | |
28e5dec8 JH |
1585 | SETs(boolSV((UV)aiv > buv)); |
1586 | RETURN; | |
1587 | } | |
1588 | } | |
1589 | } | |
1590 | #endif | |
a0d0e21e LW |
1591 | { |
1592 | dPOPnv; | |
54310121 | 1593 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1594 | RETURN; |
79072805 | 1595 | } |
a0d0e21e LW |
1596 | } |
1597 | ||
1598 | PP(pp_le) | |
1599 | { | |
39644a26 | 1600 | dSP; tryAMAGICbinSET(le,0); |
28e5dec8 JH |
1601 | #ifdef PERL_PRESERVE_IVUV |
1602 | SvIV_please(TOPs); | |
1603 | if (SvIOK(TOPs)) { | |
1604 | SvIV_please(TOPm1s); | |
1605 | if (SvIOK(TOPm1s)) { | |
1606 | bool auvok = SvUOK(TOPm1s); | |
1607 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1608 | |
28e5dec8 JH |
1609 | if (!auvok && !buvok) { /* ## IV <= IV ## */ |
1610 | IV aiv = SvIVX(TOPm1s); | |
1611 | IV biv = SvIVX(TOPs); | |
1612 | ||
1613 | SP--; | |
1614 | SETs(boolSV(aiv <= biv)); | |
1615 | RETURN; | |
1616 | } | |
1617 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
1618 | UV auv = SvUVX(TOPm1s); | |
1619 | UV buv = SvUVX(TOPs); | |
1620 | ||
1621 | SP--; | |
1622 | SETs(boolSV(auv <= buv)); | |
1623 | RETURN; | |
1624 | } | |
1625 | if (auvok) { /* ## UV <= IV ## */ | |
1626 | UV auv; | |
1627 | IV biv; | |
1628 | ||
1629 | biv = SvIVX(TOPs); | |
1630 | SP--; | |
1631 | if (biv < 0) { | |
1632 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
1633 | SETs(&PL_sv_no); | |
1634 | RETURN; | |
1635 | } | |
1636 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1637 | SETs(boolSV(auv <= (UV)biv)); |
1638 | RETURN; | |
1639 | } | |
1640 | { /* ## IV <= UV ## */ | |
1641 | IV aiv; | |
1642 | UV buv; | |
1643 | ||
1644 | aiv = SvIVX(TOPm1s); | |
1645 | if (aiv < 0) { | |
1646 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
1647 | SP--; | |
1648 | SETs(&PL_sv_yes); | |
1649 | RETURN; | |
1650 | } | |
1651 | buv = SvUVX(TOPs); | |
1652 | SP--; | |
28e5dec8 JH |
1653 | SETs(boolSV((UV)aiv <= buv)); |
1654 | RETURN; | |
1655 | } | |
1656 | } | |
1657 | } | |
1658 | #endif | |
a0d0e21e LW |
1659 | { |
1660 | dPOPnv; | |
54310121 | 1661 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1662 | RETURN; |
79072805 | 1663 | } |
a0d0e21e LW |
1664 | } |
1665 | ||
1666 | PP(pp_ge) | |
1667 | { | |
39644a26 | 1668 | dSP; tryAMAGICbinSET(ge,0); |
28e5dec8 JH |
1669 | #ifdef PERL_PRESERVE_IVUV |
1670 | SvIV_please(TOPs); | |
1671 | if (SvIOK(TOPs)) { | |
1672 | SvIV_please(TOPm1s); | |
1673 | if (SvIOK(TOPm1s)) { | |
1674 | bool auvok = SvUOK(TOPm1s); | |
1675 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1676 | |
28e5dec8 JH |
1677 | if (!auvok && !buvok) { /* ## IV >= IV ## */ |
1678 | IV aiv = SvIVX(TOPm1s); | |
1679 | IV biv = SvIVX(TOPs); | |
1680 | ||
1681 | SP--; | |
1682 | SETs(boolSV(aiv >= biv)); | |
1683 | RETURN; | |
1684 | } | |
1685 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
1686 | UV auv = SvUVX(TOPm1s); | |
1687 | UV buv = SvUVX(TOPs); | |
1688 | ||
1689 | SP--; | |
1690 | SETs(boolSV(auv >= buv)); | |
1691 | RETURN; | |
1692 | } | |
1693 | if (auvok) { /* ## UV >= IV ## */ | |
1694 | UV auv; | |
1695 | IV biv; | |
1696 | ||
1697 | biv = SvIVX(TOPs); | |
1698 | SP--; | |
1699 | if (biv < 0) { | |
1700 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
1701 | SETs(&PL_sv_yes); | |
1702 | RETURN; | |
1703 | } | |
1704 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1705 | SETs(boolSV(auv >= (UV)biv)); |
1706 | RETURN; | |
1707 | } | |
1708 | { /* ## IV >= UV ## */ | |
1709 | IV aiv; | |
1710 | UV buv; | |
1711 | ||
1712 | aiv = SvIVX(TOPm1s); | |
1713 | if (aiv < 0) { | |
1714 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
1715 | SP--; | |
1716 | SETs(&PL_sv_no); | |
1717 | RETURN; | |
1718 | } | |
1719 | buv = SvUVX(TOPs); | |
1720 | SP--; | |
28e5dec8 JH |
1721 | SETs(boolSV((UV)aiv >= buv)); |
1722 | RETURN; | |
1723 | } | |
1724 | } | |
1725 | } | |
1726 | #endif | |
a0d0e21e LW |
1727 | { |
1728 | dPOPnv; | |
54310121 | 1729 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1730 | RETURN; |
79072805 | 1731 | } |
a0d0e21e | 1732 | } |
79072805 | 1733 | |
a0d0e21e LW |
1734 | PP(pp_ne) |
1735 | { | |
16303949 | 1736 | dSP; tryAMAGICbinSET(ne,0); |
3bb2c415 JH |
1737 | #ifndef NV_PRESERVES_UV |
1738 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
c3e03cdf | 1739 | SETs(boolSV(SvRV(TOPs) != SvRV(TOPm1s))); |
3bb2c415 JH |
1740 | RETURN; |
1741 | } | |
1742 | #endif | |
28e5dec8 JH |
1743 | #ifdef PERL_PRESERVE_IVUV |
1744 | SvIV_please(TOPs); | |
1745 | if (SvIOK(TOPs)) { | |
1746 | SvIV_please(TOPm1s); | |
1747 | if (SvIOK(TOPm1s)) { | |
1748 | bool auvok = SvUOK(TOPm1s); | |
1749 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1750 | |
28e5dec8 JH |
1751 | if (!auvok && !buvok) { /* ## IV <=> IV ## */ |
1752 | IV aiv = SvIVX(TOPm1s); | |
1753 | IV biv = SvIVX(TOPs); | |
1754 | ||
1755 | SP--; | |
1756 | SETs(boolSV(aiv != biv)); | |
1757 | RETURN; | |
1758 | } | |
1759 | if (auvok && buvok) { /* ## UV != UV ## */ | |
1760 | UV auv = SvUVX(TOPm1s); | |
1761 | UV buv = SvUVX(TOPs); | |
1762 | ||
1763 | SP--; | |
1764 | SETs(boolSV(auv != buv)); | |
1765 | RETURN; | |
1766 | } | |
1767 | { /* ## Mixed IV,UV ## */ | |
1768 | IV iv; | |
1769 | UV uv; | |
1770 | ||
1771 | /* != is commutative so swap if needed (save code) */ | |
1772 | if (auvok) { | |
1773 | /* swap. top of stack (b) is the iv */ | |
1774 | iv = SvIVX(TOPs); | |
1775 | SP--; | |
1776 | if (iv < 0) { | |
1777 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
1778 | SETs(&PL_sv_yes); | |
1779 | RETURN; | |
1780 | } | |
1781 | uv = SvUVX(TOPs); | |
1782 | } else { | |
1783 | iv = SvIVX(TOPm1s); | |
1784 | SP--; | |
1785 | if (iv < 0) { | |
1786 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
1787 | SETs(&PL_sv_yes); | |
1788 | RETURN; | |
1789 | } | |
1790 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
1791 | } | |
28e5dec8 JH |
1792 | SETs(boolSV((UV)iv != uv)); |
1793 | RETURN; | |
1794 | } | |
1795 | } | |
1796 | } | |
1797 | #endif | |
a0d0e21e LW |
1798 | { |
1799 | dPOPnv; | |
54310121 | 1800 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1801 | RETURN; |
1802 | } | |
79072805 LW |
1803 | } |
1804 | ||
a0d0e21e | 1805 | PP(pp_ncmp) |
79072805 | 1806 | { |
39644a26 | 1807 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
d8c7644e JH |
1808 | #ifndef NV_PRESERVES_UV |
1809 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
34d3ce40 | 1810 | SETi(PTR2UV(SvRV(TOPs)) - PTR2UV(SvRV(TOPm1s))); |
d8c7644e JH |
1811 | RETURN; |
1812 | } | |
1813 | #endif | |
28e5dec8 JH |
1814 | #ifdef PERL_PRESERVE_IVUV |
1815 | /* Fortunately it seems NaN isn't IOK */ | |
1816 | SvIV_please(TOPs); | |
1817 | if (SvIOK(TOPs)) { | |
1818 | SvIV_please(TOPm1s); | |
1819 | if (SvIOK(TOPm1s)) { | |
1820 | bool leftuvok = SvUOK(TOPm1s); | |
1821 | bool rightuvok = SvUOK(TOPs); | |
1822 | I32 value; | |
1823 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
1824 | IV leftiv = SvIVX(TOPm1s); | |
1825 | IV rightiv = SvIVX(TOPs); | |
1826 | ||
1827 | if (leftiv > rightiv) | |
1828 | value = 1; | |
1829 | else if (leftiv < rightiv) | |
1830 | value = -1; | |
1831 | else | |
1832 | value = 0; | |
1833 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
1834 | UV leftuv = SvUVX(TOPm1s); | |
1835 | UV rightuv = SvUVX(TOPs); | |
1836 | ||
1837 | if (leftuv > rightuv) | |
1838 | value = 1; | |
1839 | else if (leftuv < rightuv) | |
1840 | value = -1; | |
1841 | else | |
1842 | value = 0; | |
1843 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
1844 | UV leftuv; | |
1845 | IV rightiv; | |
1846 | ||
1847 | rightiv = SvIVX(TOPs); | |
1848 | if (rightiv < 0) { | |
1849 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1850 | value = 1; | |
1851 | } else { | |
1852 | leftuv = SvUVX(TOPm1s); | |
83bac5dd | 1853 | if (leftuv > (UV)rightiv) { |
28e5dec8 JH |
1854 | value = 1; |
1855 | } else if (leftuv < (UV)rightiv) { | |
1856 | value = -1; | |
1857 | } else { | |
1858 | value = 0; | |
1859 | } | |
1860 | } | |
1861 | } else { /* ## IV <=> UV ## */ | |
1862 | IV leftiv; | |
1863 | UV rightuv; | |
1864 | ||
1865 | leftiv = SvIVX(TOPm1s); | |
1866 | if (leftiv < 0) { | |
1867 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1868 | value = -1; | |
1869 | } else { | |
1870 | rightuv = SvUVX(TOPs); | |
83bac5dd | 1871 | if ((UV)leftiv > rightuv) { |
28e5dec8 | 1872 | value = 1; |
83bac5dd | 1873 | } else if ((UV)leftiv < rightuv) { |
28e5dec8 JH |
1874 | value = -1; |
1875 | } else { | |
1876 | value = 0; | |
1877 | } | |
1878 | } | |
1879 | } | |
1880 | SP--; | |
1881 | SETi(value); | |
1882 | RETURN; | |
1883 | } | |
1884 | } | |
1885 | #endif | |
a0d0e21e LW |
1886 | { |
1887 | dPOPTOPnnrl; | |
1888 | I32 value; | |
79072805 | 1889 | |
a3540c92 | 1890 | #ifdef Perl_isnan |
1ad04cfd JH |
1891 | if (Perl_isnan(left) || Perl_isnan(right)) { |
1892 | SETs(&PL_sv_undef); | |
1893 | RETURN; | |
1894 | } | |
1895 | value = (left > right) - (left < right); | |
1896 | #else | |
ff0cee69 | 1897 | if (left == right) |
a0d0e21e | 1898 | value = 0; |
a0d0e21e LW |
1899 | else if (left < right) |
1900 | value = -1; | |
44a8e56a | 1901 | else if (left > right) |
1902 | value = 1; | |
1903 | else { | |
3280af22 | 1904 | SETs(&PL_sv_undef); |
44a8e56a | 1905 | RETURN; |
1906 | } | |
1ad04cfd | 1907 | #endif |
a0d0e21e LW |
1908 | SETi(value); |
1909 | RETURN; | |
79072805 | 1910 | } |
a0d0e21e | 1911 | } |
79072805 | 1912 | |
a0d0e21e LW |
1913 | PP(pp_slt) |
1914 | { | |
39644a26 | 1915 | dSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1916 | { |
1917 | dPOPTOPssrl; | |
2de3dbcc | 1918 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 1919 | ? sv_cmp_locale(left, right) |
1920 | : sv_cmp(left, right)); | |
54310121 | 1921 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1922 | RETURN; |
1923 | } | |
79072805 LW |
1924 | } |
1925 | ||
a0d0e21e | 1926 | PP(pp_sgt) |
79072805 | 1927 | { |
39644a26 | 1928 | dSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1929 | { |
1930 | dPOPTOPssrl; | |
2de3dbcc | 1931 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 1932 | ? sv_cmp_locale(left, right) |
1933 | : sv_cmp(left, right)); | |
54310121 | 1934 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1935 | RETURN; |
1936 | } | |
1937 | } | |
79072805 | 1938 | |
a0d0e21e LW |
1939 | PP(pp_sle) |
1940 | { | |
39644a26 | 1941 | dSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1942 | { |
1943 | dPOPTOPssrl; | |
2de3dbcc | 1944 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 1945 | ? sv_cmp_locale(left, right) |
1946 | : sv_cmp(left, right)); | |
54310121 | 1947 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1948 | RETURN; |
79072805 | 1949 | } |
79072805 LW |
1950 | } |
1951 | ||
a0d0e21e LW |
1952 | PP(pp_sge) |
1953 | { | |
39644a26 | 1954 | dSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1955 | { |
1956 | dPOPTOPssrl; | |
2de3dbcc | 1957 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 1958 | ? sv_cmp_locale(left, right) |
1959 | : sv_cmp(left, right)); | |
54310121 | 1960 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1961 | RETURN; |
1962 | } | |
1963 | } | |
79072805 | 1964 | |
36477c24 | 1965 | PP(pp_seq) |
1966 | { | |
39644a26 | 1967 | dSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1968 | { |
1969 | dPOPTOPssrl; | |
54310121 | 1970 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1971 | RETURN; |
1972 | } | |
1973 | } | |
79072805 | 1974 | |
a0d0e21e | 1975 | PP(pp_sne) |
79072805 | 1976 | { |
39644a26 | 1977 | dSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1978 | { |
1979 | dPOPTOPssrl; | |
54310121 | 1980 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1981 | RETURN; |
463ee0b2 | 1982 | } |
79072805 LW |
1983 | } |
1984 | ||
a0d0e21e | 1985 | PP(pp_scmp) |
79072805 | 1986 | { |
39644a26 | 1987 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1988 | { |
1989 | dPOPTOPssrl; | |
2de3dbcc | 1990 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 1991 | ? sv_cmp_locale(left, right) |
1992 | : sv_cmp(left, right)); | |
1993 | SETi( cmp ); | |
a0d0e21e LW |
1994 | RETURN; |
1995 | } | |
1996 | } | |
79072805 | 1997 | |
55497cff | 1998 | PP(pp_bit_and) |
1999 | { | |
39644a26 | 2000 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
2001 | { |
2002 | dPOPTOPssrl; | |
4633a7c4 | 2003 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2004 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2005 | IV i = SvIV(left) & SvIV(right); |
2006 | SETi(i); | |
d0ba1bd2 JH |
2007 | } |
2008 | else { | |
972b05a9 JH |
2009 | UV u = SvUV(left) & SvUV(right); |
2010 | SETu(u); | |
d0ba1bd2 | 2011 | } |
a0d0e21e LW |
2012 | } |
2013 | else { | |
533c011a | 2014 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2015 | SETTARG; |
2016 | } | |
2017 | RETURN; | |
2018 | } | |
2019 | } | |
79072805 | 2020 | |
a0d0e21e LW |
2021 | PP(pp_bit_xor) |
2022 | { | |
39644a26 | 2023 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
2024 | { |
2025 | dPOPTOPssrl; | |
4633a7c4 | 2026 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2027 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2028 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
2029 | SETi(i); | |
d0ba1bd2 JH |
2030 | } |
2031 | else { | |
972b05a9 JH |
2032 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
2033 | SETu(u); | |
d0ba1bd2 | 2034 | } |
a0d0e21e LW |
2035 | } |
2036 | else { | |
533c011a | 2037 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2038 | SETTARG; |
2039 | } | |
2040 | RETURN; | |
2041 | } | |
2042 | } | |
79072805 | 2043 | |
a0d0e21e LW |
2044 | PP(pp_bit_or) |
2045 | { | |
39644a26 | 2046 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
2047 | { |
2048 | dPOPTOPssrl; | |
4633a7c4 | 2049 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2050 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2051 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
2052 | SETi(i); | |
d0ba1bd2 JH |
2053 | } |
2054 | else { | |
972b05a9 JH |
2055 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
2056 | SETu(u); | |
d0ba1bd2 | 2057 | } |
a0d0e21e LW |
2058 | } |
2059 | else { | |
533c011a | 2060 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2061 | SETTARG; |
2062 | } | |
2063 | RETURN; | |
79072805 | 2064 | } |
a0d0e21e | 2065 | } |
79072805 | 2066 | |
a0d0e21e LW |
2067 | PP(pp_negate) |
2068 | { | |
39644a26 | 2069 | dSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
2070 | { |
2071 | dTOPss; | |
28e5dec8 | 2072 | int flags = SvFLAGS(sv); |
4633a7c4 LW |
2073 | if (SvGMAGICAL(sv)) |
2074 | mg_get(sv); | |
28e5dec8 JH |
2075 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
2076 | /* It's publicly an integer, or privately an integer-not-float */ | |
2077 | oops_its_an_int: | |
9b0e499b GS |
2078 | if (SvIsUV(sv)) { |
2079 | if (SvIVX(sv) == IV_MIN) { | |
28e5dec8 | 2080 | /* 2s complement assumption. */ |
9b0e499b GS |
2081 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
2082 | RETURN; | |
2083 | } | |
2084 | else if (SvUVX(sv) <= IV_MAX) { | |
beccb14c | 2085 | SETi(-SvIVX(sv)); |
9b0e499b GS |
2086 | RETURN; |
2087 | } | |
2088 | } | |
2089 | else if (SvIVX(sv) != IV_MIN) { | |
2090 | SETi(-SvIVX(sv)); | |
2091 | RETURN; | |
2092 | } | |
28e5dec8 JH |
2093 | #ifdef PERL_PRESERVE_IVUV |
2094 | else { | |
2095 | SETu((UV)IV_MIN); | |
2096 | RETURN; | |
2097 | } | |
2098 | #endif | |
9b0e499b GS |
2099 | } |
2100 | if (SvNIOKp(sv)) | |
a0d0e21e | 2101 | SETn(-SvNV(sv)); |
4633a7c4 | 2102 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
2103 | STRLEN len; |
2104 | char *s = SvPV(sv, len); | |
bbce6d69 | 2105 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
2106 | sv_setpvn(TARG, "-", 1); |
2107 | sv_catsv(TARG, sv); | |
79072805 | 2108 | } |
a0d0e21e LW |
2109 | else if (*s == '+' || *s == '-') { |
2110 | sv_setsv(TARG, sv); | |
2111 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 2112 | } |
8eb28a70 JH |
2113 | else if (DO_UTF8(sv)) { |
2114 | SvIV_please(sv); | |
2115 | if (SvIOK(sv)) | |
2116 | goto oops_its_an_int; | |
2117 | if (SvNOK(sv)) | |
2118 | sv_setnv(TARG, -SvNV(sv)); | |
2119 | else { | |
2120 | sv_setpvn(TARG, "-", 1); | |
2121 | sv_catsv(TARG, sv); | |
2122 | } | |
834a4ddd | 2123 | } |
28e5dec8 | 2124 | else { |
8eb28a70 JH |
2125 | SvIV_please(sv); |
2126 | if (SvIOK(sv)) | |
2127 | goto oops_its_an_int; | |
2128 | sv_setnv(TARG, -SvNV(sv)); | |
28e5dec8 | 2129 | } |
a0d0e21e | 2130 | SETTARG; |
79072805 | 2131 | } |
4633a7c4 LW |
2132 | else |
2133 | SETn(-SvNV(sv)); | |
79072805 | 2134 | } |
a0d0e21e | 2135 | RETURN; |
79072805 LW |
2136 | } |
2137 | ||
a0d0e21e | 2138 | PP(pp_not) |
79072805 | 2139 | { |
39644a26 | 2140 | dSP; tryAMAGICunSET(not); |
3280af22 | 2141 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 2142 | return NORMAL; |
79072805 LW |
2143 | } |
2144 | ||
a0d0e21e | 2145 | PP(pp_complement) |
79072805 | 2146 | { |
39644a26 | 2147 | dSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
2148 | { |
2149 | dTOPss; | |
4633a7c4 | 2150 | if (SvNIOKp(sv)) { |
d0ba1bd2 | 2151 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2152 | IV i = ~SvIV(sv); |
2153 | SETi(i); | |
d0ba1bd2 JH |
2154 | } |
2155 | else { | |
972b05a9 JH |
2156 | UV u = ~SvUV(sv); |
2157 | SETu(u); | |
d0ba1bd2 | 2158 | } |
a0d0e21e LW |
2159 | } |
2160 | else { | |
51723571 | 2161 | register U8 *tmps; |
55497cff | 2162 | register I32 anum; |
a0d0e21e LW |
2163 | STRLEN len; |
2164 | ||
2165 | SvSetSV(TARG, sv); | |
51723571 | 2166 | tmps = (U8*)SvPV_force(TARG, len); |
a0d0e21e | 2167 | anum = len; |
1d68d6cd | 2168 | if (SvUTF8(TARG)) { |
a1ca4561 | 2169 | /* Calculate exact length, let's not estimate. */ |
1d68d6cd SC |
2170 | STRLEN targlen = 0; |
2171 | U8 *result; | |
51723571 | 2172 | U8 *send; |
ba210ebe | 2173 | STRLEN l; |
a1ca4561 YST |
2174 | UV nchar = 0; |
2175 | UV nwide = 0; | |
1d68d6cd SC |
2176 | |
2177 | send = tmps + len; | |
2178 | while (tmps < send) { | |
9041c2e3 | 2179 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
1d68d6cd | 2180 | tmps += UTF8SKIP(tmps); |
5bbb0b5a | 2181 | targlen += UNISKIP(~c); |
a1ca4561 YST |
2182 | nchar++; |
2183 | if (c > 0xff) | |
2184 | nwide++; | |
1d68d6cd SC |
2185 | } |
2186 | ||
2187 | /* Now rewind strings and write them. */ | |
2188 | tmps -= len; | |
a1ca4561 YST |
2189 | |
2190 | if (nwide) { | |
2191 | Newz(0, result, targlen + 1, U8); | |
2192 | while (tmps < send) { | |
9041c2e3 | 2193 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
a1ca4561 | 2194 | tmps += UTF8SKIP(tmps); |
9041c2e3 | 2195 | result = uvchr_to_utf8(result, ~c); |
a1ca4561 YST |
2196 | } |
2197 | *result = '\0'; | |
2198 | result -= targlen; | |
2199 | sv_setpvn(TARG, (char*)result, targlen); | |
2200 | SvUTF8_on(TARG); | |
2201 | } | |
2202 | else { | |
2203 | Newz(0, result, nchar + 1, U8); | |
2204 | while (tmps < send) { | |
9041c2e3 | 2205 | U8 c = (U8)utf8n_to_uvchr(tmps, 0, &l, UTF8_ALLOW_ANY); |
a1ca4561 YST |
2206 | tmps += UTF8SKIP(tmps); |
2207 | *result++ = ~c; | |
2208 | } | |
2209 | *result = '\0'; | |
2210 | result -= nchar; | |
2211 | sv_setpvn(TARG, (char*)result, nchar); | |
1d68d6cd | 2212 | } |
1d68d6cd SC |
2213 | Safefree(result); |
2214 | SETs(TARG); | |
2215 | RETURN; | |
2216 | } | |
a0d0e21e | 2217 | #ifdef LIBERAL |
51723571 JH |
2218 | { |
2219 | register long *tmpl; | |
2220 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
2221 | *tmps = ~*tmps; | |
2222 | tmpl = (long*)tmps; | |
2223 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
2224 | *tmpl = ~*tmpl; | |
2225 | tmps = (U8*)tmpl; | |
2226 | } | |
a0d0e21e LW |
2227 | #endif |
2228 | for ( ; anum > 0; anum--, tmps++) | |
2229 | *tmps = ~*tmps; | |
2230 | ||
2231 | SETs(TARG); | |
2232 | } | |
2233 | RETURN; | |
2234 | } | |
79072805 LW |
2235 | } |
2236 | ||
a0d0e21e LW |
2237 | /* integer versions of some of the above */ |
2238 | ||
a0d0e21e | 2239 | PP(pp_i_multiply) |
79072805 | 2240 | { |
39644a26 | 2241 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
2242 | { |
2243 | dPOPTOPiirl; | |
2244 | SETi( left * right ); | |
2245 | RETURN; | |
2246 | } | |
79072805 LW |
2247 | } |
2248 | ||
a0d0e21e | 2249 | PP(pp_i_divide) |
79072805 | 2250 | { |
39644a26 | 2251 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
2252 | { |
2253 | dPOPiv; | |
2254 | if (value == 0) | |
cea2e8a9 | 2255 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
2256 | value = POPi / value; |
2257 | PUSHi( value ); | |
2258 | RETURN; | |
2259 | } | |
79072805 LW |
2260 | } |
2261 | ||
a0d0e21e | 2262 | PP(pp_i_modulo) |
79072805 | 2263 | { |
39644a26 | 2264 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 2265 | { |
a0d0e21e | 2266 | dPOPTOPiirl; |
aa306039 | 2267 | if (!right) |
cea2e8a9 | 2268 | DIE(aTHX_ "Illegal modulus zero"); |
a0d0e21e LW |
2269 | SETi( left % right ); |
2270 | RETURN; | |
79072805 | 2271 | } |
79072805 LW |
2272 | } |
2273 | ||
a0d0e21e | 2274 | PP(pp_i_add) |
79072805 | 2275 | { |
39644a26 | 2276 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e | 2277 | { |
5e66d4f1 | 2278 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2279 | SETi( left + right ); |
2280 | RETURN; | |
79072805 | 2281 | } |
79072805 LW |
2282 | } |
2283 | ||
a0d0e21e | 2284 | PP(pp_i_subtract) |
79072805 | 2285 | { |
39644a26 | 2286 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 2287 | { |
5e66d4f1 | 2288 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2289 | SETi( left - right ); |
2290 | RETURN; | |
79072805 | 2291 | } |
79072805 LW |
2292 | } |
2293 | ||
a0d0e21e | 2294 | PP(pp_i_lt) |
79072805 | 2295 | { |
39644a26 | 2296 | dSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
2297 | { |
2298 | dPOPTOPiirl; | |
54310121 | 2299 | SETs(boolSV(left < right)); |
a0d0e21e LW |
2300 | RETURN; |
2301 | } | |
79072805 LW |
2302 | } |
2303 | ||
a0d0e21e | 2304 | PP(pp_i_gt) |
79072805 | 2305 | { |
39644a26 | 2306 | dSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
2307 | { |
2308 | dPOPTOPiirl; | |
54310121 | 2309 | SETs(boolSV(left > right)); |
a0d0e21e LW |
2310 | RETURN; |
2311 | } | |
79072805 LW |
2312 | } |
2313 | ||
a0d0e21e | 2314 | PP(pp_i_le) |
79072805 | 2315 | { |
39644a26 | 2316 | dSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
2317 | { |
2318 | dPOPTOPiirl; | |
54310121 | 2319 | SETs(boolSV(left <= right)); |
a0d0e21e | 2320 | RETURN; |
85e6fe83 | 2321 | } |
79072805 LW |
2322 | } |
2323 | ||
a0d0e21e | 2324 | PP(pp_i_ge) |
79072805 | 2325 | { |
39644a26 | 2326 | dSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
2327 | { |
2328 | dPOPTOPiirl; | |
54310121 | 2329 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
2330 | RETURN; |
2331 | } | |
79072805 LW |
2332 | } |
2333 | ||
a0d0e21e | 2334 | PP(pp_i_eq) |
79072805 | 2335 | { |
39644a26 | 2336 | dSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
2337 | { |
2338 | dPOPTOPiirl; | |
54310121 | 2339 | SETs(boolSV(left == right)); |
a0d0e21e LW |
2340 | RETURN; |
2341 | } | |
79072805 LW |
2342 | } |
2343 | ||
a0d0e21e | 2344 | PP(pp_i_ne) |
79072805 | 2345 | { |
39644a26 | 2346 | dSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
2347 | { |
2348 | dPOPTOPiirl; | |
54310121 | 2349 | SETs(boolSV(left != right)); |
a0d0e21e LW |
2350 | RETURN; |
2351 | } | |
79072805 LW |
2352 | } |
2353 | ||
a0d0e21e | 2354 | PP(pp_i_ncmp) |
79072805 | 2355 | { |
39644a26 | 2356 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
2357 | { |
2358 | dPOPTOPiirl; | |
2359 | I32 value; | |
79072805 | 2360 | |
a0d0e21e | 2361 | if (left > right) |
79072805 | 2362 | value = 1; |
a0d0e21e | 2363 | else if (left < right) |
79072805 | 2364 | value = -1; |
a0d0e21e | 2365 | else |
79072805 | 2366 | value = 0; |
a0d0e21e LW |
2367 | SETi(value); |
2368 | RETURN; | |
79072805 | 2369 | } |
85e6fe83 LW |
2370 | } |
2371 | ||
2372 | PP(pp_i_negate) | |
2373 | { | |
39644a26 | 2374 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
2375 | SETi(-TOPi); |
2376 | RETURN; | |
2377 | } | |
2378 | ||
79072805 LW |
2379 | /* High falutin' math. */ |
2380 | ||
2381 | PP(pp_atan2) | |
2382 | { | |
39644a26 | 2383 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
2384 | { |
2385 | dPOPTOPnnrl; | |
65202027 | 2386 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
2387 | RETURN; |
2388 | } | |
79072805 LW |
2389 | } |
2390 | ||
2391 | PP(pp_sin) | |
2392 | { | |
39644a26 | 2393 | dSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 2394 | { |
65202027 | 2395 | NV value; |
a0d0e21e | 2396 | value = POPn; |
65202027 | 2397 | value = Perl_sin(value); |
a0d0e21e LW |
2398 | XPUSHn(value); |
2399 | RETURN; | |
2400 | } | |
79072805 LW |
2401 | } |
2402 | ||
2403 | PP(pp_cos) | |
2404 | { | |
39644a26 | 2405 | dSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 2406 | { |
65202027 | 2407 | NV value; |
a0d0e21e | 2408 | value = POPn; |
65202027 | 2409 | value = Perl_cos(value); |
a0d0e21e LW |
2410 | XPUSHn(value); |
2411 | RETURN; | |
2412 | } | |
79072805 LW |
2413 | } |
2414 | ||
56cb0a1c AD |
2415 | /* Support Configure command-line overrides for rand() functions. |
2416 | After 5.005, perhaps we should replace this by Configure support | |
2417 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
2418 | compatibility by calling rand() but allow the user to override it. | |
2419 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
2420 | */ | |
85ab1d1d JH |
2421 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
2422 | in addition to rand(). So the overrides should not be needed any more. | |
2423 | --Jarkko Hietaniemi 27 September 1998 | |
2424 | */ | |
2425 | ||
2426 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 2427 | extern double drand48 (void); |
56cb0a1c AD |
2428 | #endif |
2429 | ||
79072805 LW |
2430 | PP(pp_rand) |
2431 | { | |
39644a26 | 2432 | dSP; dTARGET; |
65202027 | 2433 | NV value; |
79072805 LW |
2434 | if (MAXARG < 1) |
2435 | value = 1.0; | |
2436 | else | |
2437 | value = POPn; | |
2438 | if (value == 0.0) | |
2439 | value = 1.0; | |
80252599 | 2440 | if (!PL_srand_called) { |
85ab1d1d | 2441 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 2442 | PL_srand_called = TRUE; |
93dc8474 | 2443 | } |
85ab1d1d | 2444 | value *= Drand01(); |
79072805 LW |
2445 | XPUSHn(value); |
2446 | RETURN; | |
2447 | } | |
2448 | ||
2449 | PP(pp_srand) | |
2450 | { | |
39644a26 | 2451 | dSP; |
93dc8474 CS |
2452 | UV anum; |
2453 | if (MAXARG < 1) | |
2454 | anum = seed(); | |
79072805 | 2455 | else |
93dc8474 | 2456 | anum = POPu; |
85ab1d1d | 2457 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 2458 | PL_srand_called = TRUE; |
79072805 LW |
2459 | EXTEND(SP, 1); |
2460 | RETPUSHYES; | |
2461 | } | |
2462 | ||
76e3520e | 2463 | STATIC U32 |
cea2e8a9 | 2464 | S_seed(pTHX) |
93dc8474 | 2465 | { |
54310121 | 2466 | /* |
2467 | * This is really just a quick hack which grabs various garbage | |
2468 | * values. It really should be a real hash algorithm which | |
2469 | * spreads the effect of every input bit onto every output bit, | |
85ab1d1d | 2470 | * if someone who knows about such things would bother to write it. |
54310121 | 2471 | * Might be a good idea to add that function to CORE as well. |
85ab1d1d | 2472 | * No numbers below come from careful analysis or anything here, |
54310121 | 2473 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
2474 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
2475 | * probably be bigger too. | |
2476 | */ | |
2477 | #if RANDBITS > 16 | |
2478 | # define SEED_C1 1000003 | |
2479 | #define SEED_C4 73819 | |
2480 | #else | |
2481 | # define SEED_C1 25747 | |
2482 | #define SEED_C4 20639 | |
2483 | #endif | |
2484 | #define SEED_C2 3 | |
2485 | #define SEED_C3 269 | |
2486 | #define SEED_C5 26107 | |
2487 | ||
73c60299 RS |
2488 | #ifndef PERL_NO_DEV_RANDOM |
2489 | int fd; | |
2490 | #endif | |
93dc8474 | 2491 | U32 u; |
f12c7020 | 2492 | #ifdef VMS |
2493 | # include <starlet.h> | |
43c92808 HF |
2494 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
2495 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 | 2496 | unsigned int when[2]; |
73c60299 RS |
2497 | #else |
2498 | # ifdef HAS_GETTIMEOFDAY | |
2499 | struct timeval when; | |
2500 | # else | |
2501 | Time_t when; | |
2502 | # endif | |
2503 | #endif | |
2504 | ||
2505 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
2506 | #ifndef PERL_NO_DEV_RANDOM | |
2507 | #ifndef PERL_RANDOM_DEVICE | |
2508 | /* /dev/random isn't used by default because reads from it will block | |
2509 | * if there isn't enough entropy available. You can compile with | |
2510 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
2511 | * is enough real entropy to fill the seed. */ | |
2512 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
2513 | #endif | |
2514 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
2515 | if (fd != -1) { | |
2516 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
2517 | u = 0; | |
2518 | PerlLIO_close(fd); | |
2519 | if (u) | |
2520 | return u; | |
2521 | } | |
2522 | #endif | |
2523 | ||
2524 | #ifdef VMS | |
93dc8474 | 2525 | _ckvmssts(sys$gettim(when)); |
54310121 | 2526 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 2527 | #else |
5f05dabc | 2528 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 | 2529 | gettimeofday(&when,(struct timezone *) 0); |
54310121 | 2530 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 2531 | # else |
93dc8474 | 2532 | (void)time(&when); |
54310121 | 2533 | u = (U32)SEED_C1 * when; |
f12c7020 | 2534 | # endif |
2535 | #endif | |
7766f137 | 2536 | u += SEED_C3 * (U32)PerlProc_getpid(); |
56431972 | 2537 | u += SEED_C4 * (U32)PTR2UV(PL_stack_sp); |
54310121 | 2538 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
56431972 | 2539 | u += SEED_C5 * (U32)PTR2UV(&when); |
f12c7020 | 2540 | #endif |
93dc8474 | 2541 | return u; |
79072805 LW |
2542 | } |
2543 | ||
2544 | PP(pp_exp) | |
2545 | { | |
39644a26 | 2546 | dSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 2547 | { |
65202027 | 2548 | NV value; |
a0d0e21e | 2549 | value = POPn; |
65202027 | 2550 | value = Perl_exp(value); |
a0d0e21e LW |
2551 | XPUSHn(value); |
2552 | RETURN; | |
2553 | } | |
79072805 LW |
2554 | } |
2555 | ||
2556 | PP(pp_log) | |
2557 | { | |
39644a26 | 2558 | dSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 2559 | { |
65202027 | 2560 | NV value; |
a0d0e21e | 2561 | value = POPn; |
bbce6d69 | 2562 | if (value <= 0.0) { |
f93f4e46 | 2563 | SET_NUMERIC_STANDARD(); |
cea2e8a9 | 2564 | DIE(aTHX_ "Can't take log of %g", value); |
bbce6d69 | 2565 | } |
65202027 | 2566 | value = Perl_log(value); |
a0d0e21e LW |
2567 | XPUSHn(value); |
2568 | RETURN; | |
2569 | } | |
79072805 LW |
2570 | } |
2571 | ||
2572 | PP(pp_sqrt) | |
2573 | { | |
39644a26 | 2574 | dSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 2575 | { |
65202027 | 2576 | NV value; |
a0d0e21e | 2577 | value = POPn; |
bbce6d69 | 2578 | if (value < 0.0) { |
f93f4e46 | 2579 | SET_NUMERIC_STANDARD(); |
cea2e8a9 | 2580 | DIE(aTHX_ "Can't take sqrt of %g", value); |
bbce6d69 | 2581 | } |
65202027 | 2582 | value = Perl_sqrt(value); |
a0d0e21e LW |
2583 | XPUSHn(value); |
2584 | RETURN; | |
2585 | } | |
79072805 LW |
2586 | } |
2587 | ||
2588 | PP(pp_int) | |
2589 | { | |
39644a26 | 2590 | dSP; dTARGET; tryAMAGICun(int); |
774d564b | 2591 | { |
28e5dec8 JH |
2592 | NV value; |
2593 | IV iv = TOPi; /* attempt to convert to IV if possible. */ | |
2594 | /* XXX it's arguable that compiler casting to IV might be subtly | |
2595 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
2596 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
2597 | relying on floating point to be accurate is a bug. */ | |
2598 | ||
2599 | if (SvIOK(TOPs)) { | |
2600 | if (SvIsUV(TOPs)) { | |
2601 | UV uv = TOPu; | |
2602 | SETu(uv); | |
2603 | } else | |
2604 | SETi(iv); | |
2605 | } else { | |
2606 | value = TOPn; | |
1048ea30 | 2607 | if (value >= 0.0) { |
28e5dec8 JH |
2608 | if (value < (NV)UV_MAX + 0.5) { |
2609 | SETu(U_V(value)); | |
2610 | } else { | |
1048ea30 | 2611 | #if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) |
e67aeab1 JH |
2612 | # ifdef HAS_MODFL_POW32_BUG |
2613 | /* some versions of glibc split (i + d) into (i-1, d+1) for 2^32 <= i < 2^64 */ | |
2614 | { | |
2615 | NV offset = Perl_modf(value, &value); | |
2616 | (void)Perl_modf(offset, &offset); | |
2617 | value += offset; | |
2618 | } | |
2619 | # else | |
28e5dec8 | 2620 | (void)Perl_modf(value, &value); |
e67aeab1 | 2621 | # endif |
1048ea30 | 2622 | #else |
28e5dec8 JH |
2623 | double tmp = (double)value; |
2624 | (void)Perl_modf(tmp, &tmp); | |
2625 | value = (NV)tmp; | |
1048ea30 | 2626 | #endif |
2d9af89d | 2627 | SETn(value); |
28e5dec8 | 2628 | } |
1048ea30 | 2629 | } |
28e5dec8 JH |
2630 | else { |
2631 | if (value > (NV)IV_MIN - 0.5) { | |
2632 | SETi(I_V(value)); | |
2633 | } else { | |
1048ea30 | 2634 | #if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) |
e67aeab1 JH |
2635 | # ifdef HAS_MODFL_POW32_BUG |
2636 | /* some versions of glibc split (i + d) into (i-1, d+1) for 2^32 <= i < 2^64 */ | |
2637 | { | |
2638 | NV offset = Perl_modf(-value, &value); | |
2639 | (void)Perl_modf(offset, &offset); | |
2640 | value += offset; | |
2641 | } | |
2642 | # else | |
28e5dec8 | 2643 | (void)Perl_modf(-value, &value); |
e67aeab1 | 2644 | # endif |
28e5dec8 | 2645 | value = -value; |
1048ea30 | 2646 | #else |
28e5dec8 JH |
2647 | double tmp = (double)value; |
2648 | (void)Perl_modf(-tmp, &tmp); | |
2649 | value = -(NV)tmp; | |
1048ea30 | 2650 | #endif |
28e5dec8 JH |
2651 | SETn(value); |
2652 | } | |
2653 | } | |
774d564b | 2654 | } |
79072805 | 2655 | } |
79072805 LW |
2656 | RETURN; |
2657 | } | |
2658 | ||
463ee0b2 LW |
2659 | PP(pp_abs) |
2660 | { | |
39644a26 | 2661 | dSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 2662 | { |
28e5dec8 JH |
2663 | /* This will cache the NV value if string isn't actually integer */ |
2664 | IV iv = TOPi; | |
a227d84d | 2665 | |
28e5dec8 JH |
2666 | if (SvIOK(TOPs)) { |
2667 | /* IVX is precise */ | |
2668 | if (SvIsUV(TOPs)) { | |
2669 | SETu(TOPu); /* force it to be numeric only */ | |
2670 | } else { | |
2671 | if (iv >= 0) { | |
2672 | SETi(iv); | |
2673 | } else { | |
2674 | if (iv != IV_MIN) { | |
2675 | SETi(-iv); | |
2676 | } else { | |
2677 | /* 2s complement assumption. Also, not really needed as | |
2678 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
2679 | SETu(IV_MIN); | |
2680 | } | |
a227d84d | 2681 | } |
28e5dec8 JH |
2682 | } |
2683 | } else{ | |
2684 | NV value = TOPn; | |
774d564b | 2685 | if (value < 0.0) |
28e5dec8 | 2686 | value = -value; |
774d564b | 2687 | SETn(value); |
2688 | } | |
a0d0e21e | 2689 | } |
774d564b | 2690 | RETURN; |
463ee0b2 LW |
2691 | } |
2692 | ||
53305cf1 | 2693 | |
79072805 LW |
2694 | PP(pp_hex) |
2695 | { | |
39644a26 | 2696 | dSP; dTARGET; |
79072805 | 2697 | char *tmps; |
53305cf1 | 2698 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
6f894ead | 2699 | STRLEN len; |
53305cf1 NC |
2700 | NV result_nv; |
2701 | UV result_uv; | |
79072805 | 2702 | |
6f894ead | 2703 | tmps = (SvPVx(POPs, len)); |
53305cf1 NC |
2704 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
2705 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
2706 | XPUSHn(result_nv); | |
2707 | } | |
2708 | else { | |
2709 | XPUSHu(result_uv); | |
2710 | } | |
79072805 LW |
2711 | RETURN; |
2712 | } | |
2713 | ||
2714 | PP(pp_oct) | |
2715 | { | |
39644a26 | 2716 | dSP; dTARGET; |
79072805 | 2717 | char *tmps; |
53305cf1 | 2718 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
6f894ead | 2719 | STRLEN len; |
53305cf1 NC |
2720 | NV result_nv; |
2721 | UV result_uv; | |
79072805 | 2722 | |
6f894ead DD |
2723 | tmps = (SvPVx(POPs, len)); |
2724 | while (*tmps && len && isSPACE(*tmps)) | |
53305cf1 | 2725 | tmps++, len--; |
9e24b6e2 | 2726 | if (*tmps == '0') |
53305cf1 | 2727 | tmps++, len--; |
9e24b6e2 | 2728 | if (*tmps == 'x') |
53305cf1 | 2729 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
9e24b6e2 | 2730 | else if (*tmps == 'b') |
53305cf1 | 2731 | result_uv = grok_bin (tmps, &len, &flags, &result_nv); |
464e2e8a | 2732 | else |
53305cf1 NC |
2733 | result_uv = grok_oct (tmps, &len, &flags, &result_nv); |
2734 | ||
2735 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
2736 | XPUSHn(result_nv); | |
2737 | } | |
2738 | else { | |
2739 | XPUSHu(result_uv); | |
2740 | } | |
79072805 LW |
2741 | RETURN; |
2742 | } | |
2743 | ||
2744 | /* String stuff. */ | |
2745 | ||
2746 | PP(pp_length) | |
2747 | { | |
39644a26 | 2748 | dSP; dTARGET; |
7e2040f0 | 2749 | SV *sv = TOPs; |
a0ed51b3 | 2750 | |
7e2040f0 GS |
2751 | if (DO_UTF8(sv)) |
2752 | SETi(sv_len_utf8(sv)); | |
2753 | else | |
2754 | SETi(sv_len(sv)); | |
79072805 LW |
2755 | RETURN; |
2756 | } | |
2757 | ||
2758 | PP(pp_substr) | |
2759 | { | |
39644a26 | 2760 | dSP; dTARGET; |
79072805 | 2761 | SV *sv; |
9c5ffd7c | 2762 | I32 len = 0; |
463ee0b2 | 2763 | STRLEN curlen; |
9402d6ed | 2764 | STRLEN utf8_curlen; |
79072805 LW |
2765 | I32 pos; |
2766 | I32 rem; | |
84902520 | 2767 | I32 fail; |
78f9721b | 2768 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
79072805 | 2769 | char *tmps; |
3280af22 | 2770 | I32 arybase = PL_curcop->cop_arybase; |
9402d6ed | 2771 | SV *repl_sv = NULL; |
7b8d334a GS |
2772 | char *repl = 0; |
2773 | STRLEN repl_len; | |
78f9721b | 2774 | int num_args = PL_op->op_private & 7; |
13e30c65 | 2775 | bool repl_need_utf8_upgrade = FALSE; |
9402d6ed | 2776 | bool repl_is_utf8 = FALSE; |
79072805 | 2777 | |
20408e3c | 2778 | SvTAINTED_off(TARG); /* decontaminate */ |
7e2040f0 | 2779 | SvUTF8_off(TARG); /* decontaminate */ |
78f9721b SM |
2780 | if (num_args > 2) { |
2781 | if (num_args > 3) { | |
9402d6ed JH |
2782 | repl_sv = POPs; |
2783 | repl = SvPV(repl_sv, repl_len); | |
2784 | repl_is_utf8 = DO_UTF8(repl_sv) && SvCUR(repl_sv); | |
7b8d334a | 2785 | } |
79072805 | 2786 | len = POPi; |
5d82c453 | 2787 | } |
84902520 | 2788 | pos = POPi; |
79072805 | 2789 | sv = POPs; |
849ca7ee | 2790 | PUTBACK; |
9402d6ed JH |
2791 | if (repl_sv) { |
2792 | if (repl_is_utf8) { | |
2793 | if (!DO_UTF8(sv)) | |
2794 | sv_utf8_upgrade(sv); | |
2795 | } | |
13e30c65 JH |
2796 | else if (DO_UTF8(sv)) |
2797 | repl_need_utf8_upgrade = TRUE; | |
9402d6ed | 2798 | } |
a0d0e21e | 2799 | tmps = SvPV(sv, curlen); |
7e2040f0 | 2800 | if (DO_UTF8(sv)) { |
9402d6ed JH |
2801 | utf8_curlen = sv_len_utf8(sv); |
2802 | if (utf8_curlen == curlen) | |
2803 | utf8_curlen = 0; | |
a0ed51b3 | 2804 | else |
9402d6ed | 2805 | curlen = utf8_curlen; |
a0ed51b3 | 2806 | } |
d1c2b58a | 2807 | else |
9402d6ed | 2808 | utf8_curlen = 0; |
a0ed51b3 | 2809 | |
84902520 TB |
2810 | if (pos >= arybase) { |
2811 | pos -= arybase; | |
2812 | rem = curlen-pos; | |
2813 | fail = rem; | |
78f9721b | 2814 | if (num_args > 2) { |
5d82c453 GA |
2815 | if (len < 0) { |
2816 | rem += len; | |
2817 | if (rem < 0) | |
2818 | rem = 0; | |
2819 | } | |
2820 | else if (rem > len) | |
2821 | rem = len; | |
2822 | } | |
68dc0745 | 2823 | } |
84902520 | 2824 | else { |
5d82c453 | 2825 | pos += curlen; |
78f9721b | 2826 | if (num_args < 3) |
5d82c453 GA |
2827 | rem = curlen; |
2828 | else if (len >= 0) { | |
2829 | rem = pos+len; | |
2830 | if (rem > (I32)curlen) | |
2831 | rem = curlen; | |
2832 | } | |
2833 | else { | |
2834 | rem = curlen+len; | |
2835 | if (rem < pos) | |
2836 | rem = pos; | |
2837 | } | |
2838 | if (pos < 0) | |
2839 | pos = 0; | |
2840 | fail = rem; | |
2841 | rem -= pos; | |
84902520 TB |
2842 | } |
2843 | if (fail < 0) { | |
e476b1b5 GS |
2844 | if (lvalue || repl) |
2845 | Perl_croak(aTHX_ "substr outside of string"); | |
2846 | if (ckWARN(WARN_SUBSTR)) | |
cea2e8a9 | 2847 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
2304df62 AD |
2848 | RETPUSHUNDEF; |
2849 | } | |
79072805 | 2850 | else { |
9aa983d2 JH |
2851 | I32 upos = pos; |
2852 | I32 urem = rem; | |
9402d6ed | 2853 | if (utf8_curlen) |
a0ed51b3 | 2854 | sv_pos_u2b(sv, &pos, &rem); |
79072805 | 2855 | tmps += pos; |
79072805 | 2856 | sv_setpvn(TARG, tmps, rem); |
12aa1545 | 2857 | #ifdef USE_LOCALE_COLLATE |
14befaf4 | 2858 | sv_unmagic(TARG, PERL_MAGIC_collxfrm); |
12aa1545 | 2859 | #endif |
9402d6ed | 2860 | if (utf8_curlen) |
7f66633b | 2861 | SvUTF8_on(TARG); |
f7928d6c | 2862 | if (repl) { |
13e30c65 JH |
2863 | SV* repl_sv_copy = NULL; |
2864 | ||
2865 | if (repl_need_utf8_upgrade) { | |
2866 | repl_sv_copy = newSVsv(repl_sv); | |
2867 | sv_utf8_upgrade(repl_sv_copy); | |
2868 | repl = SvPV(repl_sv_copy, repl_len); | |
2869 | repl_is_utf8 = DO_UTF8(repl_sv_copy) && SvCUR(sv); | |
2870 | } | |
c8faf1c5 | 2871 | sv_insert(sv, pos, rem, repl, repl_len); |
9402d6ed | 2872 | if (repl_is_utf8) |
f7928d6c | 2873 | SvUTF8_on(sv); |
9402d6ed JH |
2874 | if (repl_sv_copy) |
2875 | SvREFCNT_dec(repl_sv_copy); | |
f7928d6c | 2876 | } |
c8faf1c5 | 2877 | else if (lvalue) { /* it's an lvalue! */ |
dedeecda | 2878 | if (!SvGMAGICAL(sv)) { |
2879 | if (SvROK(sv)) { | |
2d8e6c8d GS |
2880 | STRLEN n_a; |
2881 | SvPV_force(sv,n_a); | |
599cee73 | 2882 | if (ckWARN(WARN_SUBSTR)) |
cea2e8a9 | 2883 | Perl_warner(aTHX_ WARN_SUBSTR, |
599cee73 | 2884 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 2885 | } |
2886 | if (SvOK(sv)) /* is it defined ? */ | |
7f66633b | 2887 | (void)SvPOK_only_UTF8(sv); |
dedeecda | 2888 | else |
2889 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
2890 | } | |
5f05dabc | 2891 | |
a0d0e21e LW |
2892 | if (SvTYPE(TARG) < SVt_PVLV) { |
2893 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 2894 | sv_magic(TARG, Nullsv, PERL_MAGIC_substr, Nullch, 0); |
ed6116ce | 2895 | } |
a0d0e21e | 2896 | |
5f05dabc | 2897 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
2898 | if (LvTARG(TARG) != sv) { |
2899 | if (LvTARG(TARG)) | |
2900 | SvREFCNT_dec(LvTARG(TARG)); | |
2901 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
2902 | } | |
9aa983d2 JH |
2903 | LvTARGOFF(TARG) = upos; |
2904 | LvTARGLEN(TARG) = urem; | |
79072805 LW |
2905 | } |
2906 | } | |
849ca7ee | 2907 | SPAGAIN; |
79072805 LW |
2908 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
2909 | RETURN; | |
2910 | } | |
2911 | ||
2912 | PP(pp_vec) | |
2913 | { | |
39644a26 | 2914 | dSP; dTARGET; |
467f0320 JH |
2915 | register IV size = POPi; |
2916 | register IV offset = POPi; | |
79072805 | 2917 | register SV *src = POPs; |
78f9721b | 2918 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
a0d0e21e | 2919 | |
81e118e0 JH |
2920 | SvTAINTED_off(TARG); /* decontaminate */ |
2921 | if (lvalue) { /* it's an lvalue! */ | |
2922 | if (SvTYPE(TARG) < SVt_PVLV) { | |
2923 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 2924 | sv_magic(TARG, Nullsv, PERL_MAGIC_vec, Nullch, 0); |
79072805 | 2925 | } |
81e118e0 JH |
2926 | LvTYPE(TARG) = 'v'; |
2927 | if (LvTARG(TARG) != src) { | |
2928 | if (LvTARG(TARG)) | |
2929 | SvREFCNT_dec(LvTARG(TARG)); | |
2930 | LvTARG(TARG) = SvREFCNT_inc(src); | |
79072805 | 2931 | } |
81e118e0 JH |
2932 | LvTARGOFF(TARG) = offset; |
2933 | LvTARGLEN(TARG) = size; | |
79072805 LW |
2934 | } |
2935 | ||
81e118e0 | 2936 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
2937 | PUSHs(TARG); |
2938 | RETURN; | |
2939 | } | |
2940 | ||
2941 | PP(pp_index) | |
2942 | { | |
39644a26 | 2943 | dSP; dTARGET; |
79072805 LW |
2944 | SV *big; |
2945 | SV *little; | |
2946 | I32 offset; | |
2947 | I32 retval; | |
2948 | char *tmps; | |
2949 | char *tmps2; | |
463ee0b2 | 2950 | STRLEN biglen; |
3280af22 | 2951 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
2952 | |
2953 | if (MAXARG < 3) | |
2954 | offset = 0; | |
2955 | else | |
2956 | offset = POPi - arybase; | |
2957 | little = POPs; | |
2958 | big = POPs; | |
463ee0b2 | 2959 | tmps = SvPV(big, biglen); |
7e2040f0 | 2960 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 | 2961 | sv_pos_u2b(big, &offset, 0); |
79072805 LW |
2962 | if (offset < 0) |
2963 | offset = 0; | |
93a17b20 LW |
2964 | else if (offset > biglen) |
2965 | offset = biglen; | |
79072805 | 2966 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 2967 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 2968 | retval = -1; |
79072805 | 2969 | else |
a0ed51b3 | 2970 | retval = tmps2 - tmps; |
7e2040f0 | 2971 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2972 | sv_pos_b2u(big, &retval); |
2973 | PUSHi(retval + arybase); | |
79072805 LW |
2974 | RETURN; |
2975 | } | |
2976 | ||
2977 | PP(pp_rindex) | |
2978 | { | |
39644a26 | 2979 | dSP; dTARGET; |
79072805 LW |
2980 | SV *big; |
2981 | SV *little; | |
463ee0b2 LW |
2982 | STRLEN blen; |
2983 | STRLEN llen; | |
79072805 LW |
2984 | I32 offset; |
2985 | I32 retval; | |
2986 | char *tmps; | |
2987 | char *tmps2; | |
3280af22 | 2988 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 2989 | |
a0d0e21e | 2990 | if (MAXARG >= 3) |
a0ed51b3 | 2991 | offset = POPi; |
79072805 LW |
2992 | little = POPs; |
2993 | big = POPs; | |
463ee0b2 LW |
2994 | tmps2 = SvPV(little, llen); |
2995 | tmps = SvPV(big, blen); | |
79072805 | 2996 | if (MAXARG < 3) |
463ee0b2 | 2997 | offset = blen; |
a0ed51b3 | 2998 | else { |
7e2040f0 | 2999 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
3000 | sv_pos_u2b(big, &offset, 0); |
3001 | offset = offset - arybase + llen; | |
3002 | } | |
79072805 LW |
3003 | if (offset < 0) |
3004 | offset = 0; | |
463ee0b2 LW |
3005 | else if (offset > blen) |
3006 | offset = blen; | |
79072805 | 3007 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 3008 | tmps2, tmps2 + llen))) |
a0ed51b3 | 3009 | retval = -1; |
79072805 | 3010 | else |
a0ed51b3 | 3011 | retval = tmps2 - tmps; |
7e2040f0 | 3012 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
3013 | sv_pos_b2u(big, &retval); |
3014 | PUSHi(retval + arybase); | |
79072805 LW |
3015 | RETURN; |
3016 | } | |
3017 | ||
3018 | PP(pp_sprintf) | |
3019 | { | |
39644a26 | 3020 | dSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 3021 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 3022 | TAINT_IF(SvTAINTED(TARG)); |
6ee35fb7 JH |
3023 | if (DO_UTF8(*(MARK+1))) |
3024 | SvUTF8_on(TARG); | |
79072805 LW |
3025 | SP = ORIGMARK; |
3026 | PUSHTARG; | |
3027 | RETURN; | |
3028 | } | |
3029 | ||
79072805 LW |
3030 | PP(pp_ord) |
3031 | { | |
39644a26 | 3032 | dSP; dTARGET; |
7df053ec | 3033 | SV *argsv = POPs; |
ba210ebe | 3034 | STRLEN len; |
7df053ec | 3035 | U8 *s = (U8*)SvPVx(argsv, len); |
79072805 | 3036 | |
9041c2e3 | 3037 | XPUSHu(DO_UTF8(argsv) ? utf8_to_uvchr(s, 0) : (*s & 0xff)); |
79072805 LW |
3038 | RETURN; |
3039 | } | |
3040 | ||
463ee0b2 LW |
3041 | PP(pp_chr) |
3042 | { | |
39644a26 | 3043 | dSP; dTARGET; |
463ee0b2 | 3044 | char *tmps; |
467f0320 | 3045 | UV value = POPu; |
463ee0b2 | 3046 | |
748a9306 | 3047 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 | 3048 | |
0064a8a9 | 3049 | if (value > 255 && !IN_BYTES) { |
9aa983d2 | 3050 | SvGROW(TARG, UNISKIP(value)+1); |
9041c2e3 | 3051 | tmps = (char*)uvchr_to_utf8((U8*)SvPVX(TARG), value); |
a0ed51b3 LW |
3052 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
3053 | *tmps = '\0'; | |
3054 | (void)SvPOK_only(TARG); | |
aa6ffa16 | 3055 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3056 | XPUSHs(TARG); |
3057 | RETURN; | |
3058 | } | |
3059 | ||
748a9306 | 3060 | SvGROW(TARG,2); |
463ee0b2 LW |
3061 | SvCUR_set(TARG, 1); |
3062 | tmps = SvPVX(TARG); | |
a0ed51b3 | 3063 | *tmps++ = value; |
748a9306 | 3064 | *tmps = '\0'; |
a0d0e21e | 3065 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
3066 | XPUSHs(TARG); |
3067 | RETURN; | |
3068 | } | |
3069 | ||
79072805 LW |
3070 | PP(pp_crypt) |
3071 | { | |
39644a26 | 3072 | dSP; dTARGET; dPOPTOPssrl; |
2d8e6c8d | 3073 | STRLEN n_a; |
79072805 | 3074 | #ifdef HAS_CRYPT |
85c16d83 JH |
3075 | STRLEN len; |
3076 | char *tmps = SvPV(left, len); | |
3077 | char *t = 0; | |
3078 | if (DO_UTF8(left)) { | |
3079 | /* If Unicode take the crypt() of the low 8 bits | |
3080 | * of the characters of the string. */ | |
3081 | char *s = tmps; | |
3082 | char *send = tmps + len; | |
3083 | STRLEN i = 0; | |
3084 | Newz(688, t, len, char); | |
3085 | while (s < send) { | |
3086 | t[i++] = utf8_to_uvchr((U8*)s, 0) & 0xFF; | |
3087 | s += UTF8SKIP(s); | |
3088 | } | |
3089 | tmps = t; | |
3090 | } | |
79072805 | 3091 | #ifdef FCRYPT |
2d8e6c8d | 3092 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
79072805 | 3093 | #else |
2d8e6c8d | 3094 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
79072805 | 3095 | #endif |
85c16d83 | 3096 | Safefree(t); |
79072805 | 3097 | #else |
b13b2135 | 3098 | DIE(aTHX_ |
79072805 LW |
3099 | "The crypt() function is unimplemented due to excessive paranoia."); |
3100 | #endif | |
3101 | SETs(TARG); | |
3102 | RETURN; | |
3103 | } | |
3104 | ||
3105 | PP(pp_ucfirst) | |
3106 | { | |
39644a26 | 3107 | dSP; |
79072805 | 3108 | SV *sv = TOPs; |
a0ed51b3 LW |
3109 | register U8 *s; |
3110 | STRLEN slen; | |
3111 | ||
44bc797b | 3112 | if (DO_UTF8(sv)) { |
a2a2844f | 3113 | U8 tmpbuf[UTF8_MAXLEN*2+1]; |
44bc797b JH |
3114 | STRLEN ulen; |
3115 | STRLEN tculen; | |
a0ed51b3 | 3116 | |
44bc797b JH |
3117 | s = (U8*)SvPV(sv, slen); |
3118 | utf8_to_uvchr(s, &ulen); | |
a0ed51b3 | 3119 | |
44bc797b JH |
3120 | toTITLE_utf8(s, tmpbuf, &tculen); |
3121 | utf8_to_uvchr(tmpbuf, 0); | |
3122 | ||
3123 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { | |
a0ed51b3 | 3124 | dTARGET; |
44bc797b | 3125 | sv_setpvn(TARG, (char*)tmpbuf, tculen); |
dfe13c55 | 3126 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); |
7e2040f0 | 3127 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3128 | SETs(TARG); |
3129 | } | |
3130 | else { | |
dfe13c55 | 3131 | s = (U8*)SvPV_force(sv, slen); |
44bc797b | 3132 | Copy(tmpbuf, s, tculen, U8); |
a0ed51b3 | 3133 | } |
a0ed51b3 | 3134 | } |
626727d5 | 3135 | else { |
014822e4 | 3136 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3137 | dTARGET; |
7e2040f0 | 3138 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3139 | sv_setsv(TARG, sv); |
3140 | sv = TARG; | |
3141 | SETs(sv); | |
3142 | } | |
3143 | s = (U8*)SvPV_force(sv, slen); | |
3144 | if (*s) { | |
2de3dbcc | 3145 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3146 | TAINT; |
3147 | SvTAINTED_on(sv); | |
3148 | *s = toUPPER_LC(*s); | |
3149 | } | |
3150 | else | |
3151 | *s = toUPPER(*s); | |
bbce6d69 | 3152 | } |
bbce6d69 | 3153 | } |
31351b04 JS |
3154 | if (SvSMAGICAL(sv)) |
3155 | mg_set(sv); | |
79072805 LW |
3156 | RETURN; |
3157 | } | |
3158 | ||
3159 | PP(pp_lcfirst) | |
3160 | { | |
39644a26 | 3161 | dSP; |
79072805 | 3162 | SV *sv = TOPs; |
a0ed51b3 LW |
3163 | register U8 *s; |
3164 | STRLEN slen; | |
3165 | ||
fd400ab9 | 3166 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && UTF8_IS_START(*s)) { |
ba210ebe | 3167 | STRLEN ulen; |
a2a2844f | 3168 | U8 tmpbuf[UTF8_MAXLEN*2+1]; |
a0ed51b3 | 3169 | U8 *tend; |
9041c2e3 | 3170 | UV uv; |
a0ed51b3 | 3171 | |
44bc797b | 3172 | toLOWER_utf8(s, tmpbuf, &ulen); |
a2a2844f | 3173 | uv = utf8_to_uvchr(tmpbuf, 0); |
a0ed51b3 | 3174 | |
9041c2e3 | 3175 | tend = uvchr_to_utf8(tmpbuf, uv); |
a0ed51b3 | 3176 | |
014822e4 | 3177 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 3178 | dTARGET; |
dfe13c55 GS |
3179 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
3180 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3181 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3182 | SETs(TARG); |
3183 | } | |
3184 | else { | |
dfe13c55 | 3185 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
3186 | Copy(tmpbuf, s, ulen, U8); |
3187 | } | |
a0ed51b3 | 3188 | } |
626727d5 | 3189 | else { |
014822e4 | 3190 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3191 | dTARGET; |
7e2040f0 | 3192 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3193 | sv_setsv(TARG, sv); |
3194 | sv = TARG; | |
3195 | SETs(sv); | |
3196 | } | |
3197 | s = (U8*)SvPV_force(sv, slen); | |
3198 | if (*s) { | |
2de3dbcc | 3199 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3200 | TAINT; |
3201 | SvTAINTED_on(sv); | |
3202 | *s = toLOWER_LC(*s); | |
3203 | } | |
3204 | else | |
3205 | *s = toLOWER(*s); | |
bbce6d69 | 3206 | } |
bbce6d69 | 3207 | } |
31351b04 JS |
3208 | if (SvSMAGICAL(sv)) |
3209 | mg_set(sv); | |
79072805 LW |
3210 | RETURN; |
3211 | } | |
3212 | ||
3213 | PP(pp_uc) | |
3214 | { | |
39644a26 | 3215 | dSP; |
79072805 | 3216 | SV *sv = TOPs; |
a0ed51b3 | 3217 | register U8 *s; |
463ee0b2 | 3218 | STRLEN len; |
79072805 | 3219 | |
7e2040f0 | 3220 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3221 | dTARGET; |
ba210ebe | 3222 | STRLEN ulen; |
a0ed51b3 LW |
3223 | register U8 *d; |
3224 | U8 *send; | |
a2a2844f | 3225 | U8 tmpbuf[UTF8_MAXLEN*2+1]; |
a0ed51b3 | 3226 | |
dfe13c55 | 3227 | s = (U8*)SvPV(sv,len); |
a5a20234 | 3228 | if (!len) { |
7e2040f0 | 3229 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3230 | sv_setpvn(TARG, "", 0); |
3231 | SETs(TARG); | |
a0ed51b3 LW |
3232 | } |
3233 | else { | |
31351b04 JS |
3234 | (void)SvUPGRADE(TARG, SVt_PV); |
3235 | SvGROW(TARG, (len * 2) + 1); | |
3236 | (void)SvPOK_only(TARG); | |
3237 | d = (U8*)SvPVX(TARG); | |
3238 | send = s + len; | |
a2a2844f | 3239 | while (s < send) { |
6fdb5f96 | 3240 | toUPPER_utf8(s, tmpbuf, &ulen); |
a2a2844f JH |
3241 | Copy(tmpbuf, d, ulen, U8); |
3242 | d += ulen; | |
3243 | s += UTF8SKIP(s); | |
a0ed51b3 | 3244 | } |
31351b04 | 3245 | *d = '\0'; |
7e2040f0 | 3246 | SvUTF8_on(TARG); |
31351b04 JS |
3247 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3248 | SETs(TARG); | |
a0ed51b3 | 3249 | } |
a0ed51b3 | 3250 | } |
626727d5 | 3251 | else { |
014822e4 | 3252 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3253 | dTARGET; |
7e2040f0 | 3254 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3255 | sv_setsv(TARG, sv); |
3256 | sv = TARG; | |
3257 | SETs(sv); | |
3258 | } | |
3259 | s = (U8*)SvPV_force(sv, len); | |
3260 | if (len) { | |
3261 | register U8 *send = s + len; | |
3262 | ||
2de3dbcc | 3263 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3264 | TAINT; |
3265 | SvTAINTED_on(sv); | |
3266 | for (; s < send; s++) | |
3267 | *s = toUPPER_LC(*s); | |
3268 | } | |
3269 | else { | |
3270 | for (; s < send; s++) | |
3271 | *s = toUPPER(*s); | |
3272 | } | |
bbce6d69 | 3273 | } |
79072805 | 3274 | } |
31351b04 JS |
3275 | if (SvSMAGICAL(sv)) |
3276 | mg_set(sv); | |
79072805 LW |
3277 | RETURN; |
3278 | } | |
3279 | ||
3280 | PP(pp_lc) | |
3281 | { | |
39644a26 | 3282 | dSP; |
79072805 | 3283 | SV *sv = TOPs; |
a0ed51b3 | 3284 | register U8 *s; |
463ee0b2 | 3285 | STRLEN len; |
79072805 | 3286 | |
7e2040f0 | 3287 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3288 | dTARGET; |
ba210ebe | 3289 | STRLEN ulen; |
a0ed51b3 LW |
3290 | register U8 *d; |
3291 | U8 *send; | |
a2a2844f | 3292 | U8 tmpbuf[UTF8_MAXLEN*2+1]; |
a0ed51b3 | 3293 | |
dfe13c55 | 3294 | s = (U8*)SvPV(sv,len); |
a5a20234 | 3295 | if (!len) { |
7e2040f0 | 3296 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3297 | sv_setpvn(TARG, "", 0); |
3298 | SETs(TARG); | |
a0ed51b3 LW |
3299 | } |
3300 | else { | |
31351b04 JS |
3301 | (void)SvUPGRADE(TARG, SVt_PV); |
3302 | SvGROW(TARG, (len * 2) + 1); | |
3303 | (void)SvPOK_only(TARG); | |
3304 | d = (U8*)SvPVX(TARG); | |
3305 | send = s + len; | |
a2a2844f | 3306 | while (s < send) { |
6fdb5f96 JH |
3307 | UV uv = toLOWER_utf8(s, tmpbuf, &ulen); |
3308 | #define GREEK_CAPITAL_LETTER_SIGMA 0x03A3 /* Unicode */ | |
3309 | if (uv == GREEK_CAPITAL_LETTER_SIGMA) { | |
3310 | /* | |
3311 | * Now if the sigma is NOT followed by | |
3312 | * /$ignorable_sequence$cased_letter/; | |
3313 | * and it IS preceded by | |
3314 | * /$cased_letter$ignorable_sequence/; | |
3315 | * where $ignorable_sequence is | |
3316 | * [\x{2010}\x{AD}\p{Mn}]* | |
3317 | * and $cased_letter is | |
3318 | * [\p{Ll}\p{Lo}\p{Lt}] | |
3319 | * then it should be mapped to 0x03C2, | |
3320 | * (GREEK SMALL LETTER FINAL SIGMA), | |
3321 | * instead of staying 0x03A3. | |
3322 | * See lib/unicore/SpecCase.txt. | |
3323 | */ | |
3324 | } | |
a2a2844f JH |
3325 | Copy(tmpbuf, d, ulen, U8); |
3326 | d += ulen; | |
3327 | s += UTF8SKIP(s); | |
a0ed51b3 | 3328 | } |
31351b04 | 3329 | *d = '\0'; |
7e2040f0 | 3330 | SvUTF8_on(TARG); |
31351b04 JS |
3331 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3332 | SETs(TARG); | |
a0ed51b3 | 3333 | } |
79072805 | 3334 | } |
626727d5 | 3335 | else { |
014822e4 | 3336 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3337 | dTARGET; |
7e2040f0 | 3338 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3339 | sv_setsv(TARG, sv); |
3340 | sv = TARG; | |
3341 | SETs(sv); | |
a0ed51b3 | 3342 | } |
bbce6d69 | 3343 | |
31351b04 JS |
3344 | s = (U8*)SvPV_force(sv, len); |
3345 | if (len) { | |
3346 | register U8 *send = s + len; | |
bbce6d69 | 3347 | |
2de3dbcc | 3348 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3349 | TAINT; |
3350 | SvTAINTED_on(sv); | |
3351 | for (; s < send; s++) | |
3352 | *s = toLOWER_LC(*s); | |
3353 | } | |
3354 | else { | |
3355 | for (; s < send; s++) | |
3356 | *s = toLOWER(*s); | |
3357 | } | |
bbce6d69 | 3358 | } |
79072805 | 3359 | } |
31351b04 JS |
3360 | if (SvSMAGICAL(sv)) |
3361 | mg_set(sv); | |
79072805 LW |
3362 | RETURN; |
3363 | } | |
3364 | ||
a0d0e21e | 3365 | PP(pp_quotemeta) |
79072805 | 3366 | { |
39644a26 | 3367 | dSP; dTARGET; |
a0d0e21e LW |
3368 | SV *sv = TOPs; |
3369 | STRLEN len; | |
3370 | register char *s = SvPV(sv,len); | |
3371 | register char *d; | |
79072805 | 3372 | |
7e2040f0 | 3373 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e LW |
3374 | if (len) { |
3375 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 3376 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 3377 | d = SvPVX(TARG); |
7e2040f0 | 3378 | if (DO_UTF8(sv)) { |
0dd2cdef | 3379 | while (len) { |
fd400ab9 | 3380 | if (UTF8_IS_CONTINUED(*s)) { |
0dd2cdef LW |
3381 | STRLEN ulen = UTF8SKIP(s); |
3382 | if (ulen > len) | |
3383 | ulen = len; | |
3384 | len -= ulen; | |
3385 | while (ulen--) | |
3386 | *d++ = *s++; | |
3387 | } | |
3388 | else { | |
3389 | if (!isALNUM(*s)) | |
3390 | *d++ = '\\'; | |
3391 | *d++ = *s++; | |
3392 | len--; | |
3393 | } | |
3394 | } | |
7e2040f0 | 3395 | SvUTF8_on(TARG); |
0dd2cdef LW |
3396 | } |
3397 | else { | |
3398 | while (len--) { | |
3399 | if (!isALNUM(*s)) | |
3400 | *d++ = '\\'; | |
3401 | *d++ = *s++; | |
3402 | } | |
79072805 | 3403 | } |
a0d0e21e LW |
3404 | *d = '\0'; |
3405 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
3aa33fe5 | 3406 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 3407 | } |
a0d0e21e LW |
3408 | else |
3409 | sv_setpvn(TARG, s, len); | |
3410 | SETs(TARG); | |
31351b04 JS |
3411 | if (SvSMAGICAL(TARG)) |
3412 | mg_set(TARG); | |
79072805 LW |
3413 | RETURN; |
3414 | } | |
3415 | ||
a0d0e21e | 3416 | /* Arrays. */ |
79072805 | 3417 | |
a0d0e21e | 3418 | PP(pp_aslice) |
79072805 | 3419 | { |
39644a26 | 3420 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3421 | register SV** svp; |
3422 | register AV* av = (AV*)POPs; | |
78f9721b | 3423 | register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); |
3280af22 | 3424 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 3425 | I32 elem; |
79072805 | 3426 | |
a0d0e21e | 3427 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 3428 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 3429 | I32 max = -1; |
924508f0 | 3430 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
3431 | elem = SvIVx(*svp); |
3432 | if (elem > max) | |
3433 | max = elem; | |
3434 | } | |
3435 | if (max > AvMAX(av)) | |
3436 | av_extend(av, max); | |
3437 | } | |
a0d0e21e | 3438 | while (++MARK <= SP) { |
748a9306 | 3439 | elem = SvIVx(*MARK); |
a0d0e21e | 3440 | |
748a9306 LW |
3441 | if (elem > 0) |
3442 | elem -= arybase; | |
a0d0e21e LW |
3443 | svp = av_fetch(av, elem, lval); |
3444 | if (lval) { | |
3280af22 | 3445 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 3446 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 3447 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 3448 | save_aelem(av, elem, svp); |
79072805 | 3449 | } |
3280af22 | 3450 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3451 | } |
3452 | } | |
748a9306 | 3453 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
3454 | MARK = ORIGMARK; |
3455 | *++MARK = *SP; | |
3456 | SP = MARK; | |
3457 | } | |
79072805 LW |
3458 | RETURN; |
3459 | } | |
3460 | ||
3461 | /* Associative arrays. */ | |
3462 | ||
3463 | PP(pp_each) | |
3464 | { | |
39644a26 | 3465 | dSP; |
79072805 | 3466 | HV *hash = (HV*)POPs; |
c07a80fd | 3467 | HE *entry; |
54310121 | 3468 | I32 gimme = GIMME_V; |
c750a3ec | 3469 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 3470 | |
c07a80fd | 3471 | PUTBACK; |
c750a3ec MB |
3472 | /* might clobber stack_sp */ |
3473 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 3474 | SPAGAIN; |
79072805 | 3475 | |
79072805 LW |
3476 | EXTEND(SP, 2); |
3477 | if (entry) { | |
54310121 | 3478 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
3479 | if (gimme == G_ARRAY) { | |
59af0135 | 3480 | SV *val; |
c07a80fd | 3481 | PUTBACK; |
c750a3ec | 3482 | /* might clobber stack_sp */ |
59af0135 GS |
3483 | val = realhv ? |
3484 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); | |
c07a80fd | 3485 | SPAGAIN; |
59af0135 | 3486 | PUSHs(val); |
79072805 | 3487 | } |
79072805 | 3488 | } |
54310121 | 3489 | else if (gimme == G_SCALAR) |
79072805 LW |
3490 | RETPUSHUNDEF; |
3491 | ||
3492 | RETURN; | |
3493 | } | |
3494 | ||
3495 | PP(pp_values) | |
3496 | { | |
cea2e8a9 | 3497 | return do_kv(); |
79072805 LW |
3498 | } |
3499 | ||
3500 | PP(pp_keys) | |
3501 | { | |
cea2e8a9 | 3502 | return do_kv(); |
79072805 LW |
3503 | } |
3504 | ||
3505 | PP(pp_delete) | |
3506 | { | |
39644a26 | 3507 | dSP; |
54310121 | 3508 | I32 gimme = GIMME_V; |
3509 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 3510 | SV *sv; |
5f05dabc | 3511 | HV *hv; |
3512 | ||
533c011a | 3513 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 3514 | dMARK; dORIGMARK; |
97fcbf96 | 3515 | U32 hvtype; |
5f05dabc | 3516 | hv = (HV*)POPs; |
97fcbf96 | 3517 | hvtype = SvTYPE(hv); |
01020589 GS |
3518 | if (hvtype == SVt_PVHV) { /* hash element */ |
3519 | while (++MARK <= SP) { | |
ae77835f | 3520 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
01020589 GS |
3521 | *MARK = sv ? sv : &PL_sv_undef; |
3522 | } | |
5f05dabc | 3523 | } |
01020589 GS |
3524 | else if (hvtype == SVt_PVAV) { |
3525 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ | |
3526 | while (++MARK <= SP) { | |
3527 | sv = av_delete((AV*)hv, SvIV(*MARK), discard); | |
3528 | *MARK = sv ? sv : &PL_sv_undef; | |
3529 | } | |
3530 | } | |
3531 | else { /* pseudo-hash element */ | |
3532 | while (++MARK <= SP) { | |
3533 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); | |
3534 | *MARK = sv ? sv : &PL_sv_undef; | |
3535 | } | |
3536 | } | |
3537 | } | |
3538 | else | |
3539 | DIE(aTHX_ "Not a HASH reference"); | |
54310121 | 3540 | if (discard) |
3541 | SP = ORIGMARK; | |
3542 | else if (gimme == G_SCALAR) { | |
5f05dabc | 3543 | MARK = ORIGMARK; |
3544 | *++MARK = *SP; | |
3545 | SP = MARK; | |
3546 | } | |
3547 | } | |
3548 | else { | |
3549 | SV *keysv = POPs; | |
3550 | hv = (HV*)POPs; | |
97fcbf96 MB |
3551 | if (SvTYPE(hv) == SVt_PVHV) |
3552 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
01020589 GS |
3553 | else if (SvTYPE(hv) == SVt_PVAV) { |
3554 | if (PL_op->op_flags & OPf_SPECIAL) | |
3555 | sv = av_delete((AV*)hv, SvIV(keysv), discard); | |
3556 | else | |
3557 | sv = avhv_delete_ent((AV*)hv, keysv, discard, 0); | |
3558 | } | |
97fcbf96 | 3559 | else |
cea2e8a9 | 3560 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 3561 | if (!sv) |
3280af22 | 3562 | sv = &PL_sv_undef; |
54310121 | 3563 | if (!discard) |
3564 | PUSHs(sv); | |
79072805 | 3565 | } |
79072805 LW |
3566 | RETURN; |
3567 | } | |
3568 | ||
a0d0e21e | 3569 | PP(pp_exists) |
79072805 | 3570 | { |
39644a26 | 3571 | dSP; |
afebc493 GS |
3572 | SV *tmpsv; |
3573 | HV *hv; | |
3574 | ||
3575 | if (PL_op->op_private & OPpEXISTS_SUB) { | |
3576 | GV *gv; | |
3577 | CV *cv; | |
3578 | SV *sv = POPs; | |
3579 | cv = sv_2cv(sv, &hv, &gv, FALSE); | |
3580 | if (cv) | |
3581 | RETPUSHYES; | |
3582 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) | |
3583 | RETPUSHYES; | |
3584 | RETPUSHNO; | |
3585 | } | |
3586 | tmpsv = POPs; | |
3587 | hv = (HV*)POPs; | |
c750a3ec | 3588 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 3589 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 3590 | RETPUSHYES; |
ef54e1a4 JH |
3591 | } |
3592 | else if (SvTYPE(hv) == SVt_PVAV) { | |
01020589 GS |
3593 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
3594 | if (av_exists((AV*)hv, SvIV(tmpsv))) | |
3595 | RETPUSHYES; | |
3596 | } | |
3597 | else if (avhv_exists_ent((AV*)hv, tmpsv, 0)) /* pseudo-hash element */ | |
c750a3ec | 3598 | RETPUSHYES; |
ef54e1a4 JH |
3599 | } |
3600 | else { | |
cea2e8a9 | 3601 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 3602 | } |
a0d0e21e LW |
3603 | RETPUSHNO; |
3604 | } | |
79072805 | 3605 | |
a0d0e21e LW |
3606 | PP(pp_hslice) |
3607 | { | |
39644a26 | 3608 | dSP; dMARK; dORIGMARK; |
a0d0e21e | 3609 | register HV *hv = (HV*)POPs; |
78f9721b | 3610 | register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); |
c750a3ec | 3611 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 3612 | |
0ebe0038 | 3613 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
cea2e8a9 | 3614 | DIE(aTHX_ "Can't localize pseudo-hash element"); |
0ebe0038 | 3615 | |
c750a3ec | 3616 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 3617 | while (++MARK <= SP) { |
f12c7020 | 3618 | SV *keysv = *MARK; |
ae77835f | 3619 | SV **svp; |
d4fa047a RH |
3620 | I32 preeminent = SvRMAGICAL(hv) ? 1 : |
3621 | realhv ? hv_exists_ent(hv, keysv, 0) | |
3622 | : avhv_exists_ent((AV*)hv, keysv, 0); | |
ae77835f | 3623 | if (realhv) { |
800e9ae0 | 3624 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
ae77835f | 3625 | svp = he ? &HeVAL(he) : 0; |
ef54e1a4 JH |
3626 | } |
3627 | else { | |
97fcbf96 | 3628 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 3629 | } |
a0d0e21e | 3630 | if (lval) { |
2d8e6c8d GS |
3631 | if (!svp || *svp == &PL_sv_undef) { |
3632 | STRLEN n_a; | |
cea2e8a9 | 3633 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); |
2d8e6c8d | 3634 | } |
1f5346dc | 3635 | if (PL_op->op_private & OPpLVAL_INTRO) { |
a227d84d | 3636 | if (preeminent) |
1f5346dc SC |
3637 | save_helem(hv, keysv, svp); |
3638 | else { | |
3639 | STRLEN keylen; | |
3640 | char *key = SvPV(keysv, keylen); | |
57813020 | 3641 | SAVEDELETE(hv, savepvn(key,keylen), keylen); |
1f5346dc SC |
3642 | } |
3643 | } | |
93a17b20 | 3644 | } |
3280af22 | 3645 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3646 | } |
3647 | } | |
a0d0e21e LW |
3648 | if (GIMME != G_ARRAY) { |
3649 | MARK = ORIGMARK; | |
3650 | *++MARK = *SP; | |
3651 | SP = MARK; | |
79072805 | 3652 | } |
a0d0e21e LW |
3653 | RETURN; |
3654 | } | |
3655 | ||
3656 | /* List operators. */ | |
3657 | ||
3658 | PP(pp_list) | |
3659 | { | |
39644a26 | 3660 | dSP; dMARK; |
a0d0e21e LW |
3661 | if (GIMME != G_ARRAY) { |
3662 | if (++MARK <= SP) | |
3663 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 3664 | else |
3280af22 | 3665 | *MARK = &PL_sv_undef; |
a0d0e21e | 3666 | SP = MARK; |
79072805 | 3667 | } |
a0d0e21e | 3668 | RETURN; |
79072805 LW |
3669 | } |
3670 | ||
a0d0e21e | 3671 | PP(pp_lslice) |
79072805 | 3672 | { |
39644a26 | 3673 | dSP; |
3280af22 NIS |
3674 | SV **lastrelem = PL_stack_sp; |
3675 | SV **lastlelem = PL_stack_base + POPMARK; | |
3676 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
a0d0e21e | 3677 | register SV **firstrelem = lastlelem + 1; |
3280af22 | 3678 | I32 arybase = PL_curcop->cop_arybase; |
533c011a | 3679 | I32 lval = PL_op->op_flags & OPf_MOD; |
4633a7c4 | 3680 | I32 is_something_there = lval; |
79072805 | 3681 | |
a0d0e21e LW |
3682 | register I32 max = lastrelem - lastlelem; |
3683 | register SV **lelem; | |
3684 | register I32 ix; | |
3685 | ||
3686 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
3687 | ix = SvIVx(*lastlelem); |
3688 | if (ix < 0) | |
3689 | ix += max; | |
3690 | else | |
3691 | ix -= arybase; | |
a0d0e21e | 3692 | if (ix < 0 || ix >= max) |
3280af22 | 3693 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
3694 | else |
3695 | *firstlelem = firstrelem[ix]; | |
3696 | SP = firstlelem; | |
3697 | RETURN; | |
3698 | } | |
3699 | ||
3700 | if (max == 0) { | |
3701 | SP = firstlelem - 1; | |
3702 | RETURN; | |
3703 | } | |
3704 | ||
3705 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 3706 | ix = SvIVx(*lelem); |
c73bf8e3 | 3707 | if (ix < 0) |
a0d0e21e | 3708 | ix += max; |
b13b2135 | 3709 | else |
748a9306 | 3710 | ix -= arybase; |
c73bf8e3 HS |
3711 | if (ix < 0 || ix >= max) |
3712 | *lelem = &PL_sv_undef; | |
3713 | else { | |
3714 | is_something_there = TRUE; | |
3715 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 3716 | *lelem = &PL_sv_undef; |
748a9306 | 3717 | } |
79072805 | 3718 | } |
4633a7c4 LW |
3719 | if (is_something_there) |
3720 | SP = lastlelem; | |
3721 | else | |
3722 | SP = firstlelem - 1; | |
79072805 LW |
3723 | RETURN; |
3724 | } | |
3725 | ||
a0d0e21e LW |
3726 | PP(pp_anonlist) |
3727 | { | |
39644a26 | 3728 | dSP; dMARK; dORIGMARK; |
a0d0e21e | 3729 | I32 items = SP - MARK; |
44a8e56a | 3730 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
3731 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
3732 | XPUSHs(av); | |
a0d0e21e LW |
3733 | RETURN; |
3734 | } | |
3735 | ||
3736 | PP(pp_anonhash) | |
79072805 | 3737 | { |
39644a26 | 3738 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3739 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
3740 | ||
3741 | while (MARK < SP) { | |
3742 | SV* key = *++MARK; | |
a0d0e21e LW |
3743 | SV *val = NEWSV(46, 0); |
3744 | if (MARK < SP) | |
3745 | sv_setsv(val, *++MARK); | |
e476b1b5 GS |
3746 | else if (ckWARN(WARN_MISC)) |
3747 | Perl_warner(aTHX_ WARN_MISC, "Odd number of elements in hash assignment"); | |
f12c7020 | 3748 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 3749 | } |
a0d0e21e LW |
3750 | SP = ORIGMARK; |
3751 | XPUSHs((SV*)hv); | |
79072805 LW |
3752 | RETURN; |
3753 | } | |
3754 | ||
a0d0e21e | 3755 | PP(pp_splice) |
79072805 | 3756 | { |
39644a26 | 3757 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3758 | register AV *ary = (AV*)*++MARK; |
3759 | register SV **src; | |
3760 | register SV **dst; | |
3761 | register I32 i; | |
3762 | register I32 offset; | |
3763 | register I32 length; | |
3764 | I32 newlen; | |
3765 | I32 after; | |
3766 | I32 diff; | |
3767 | SV **tmparyval = 0; | |
93965878 NIS |
3768 | MAGIC *mg; |
3769 | ||
14befaf4 | 3770 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
33c27489 | 3771 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 | 3772 | PUSHMARK(MARK); |
8ec5e241 | 3773 | PUTBACK; |
a60c0954 | 3774 | ENTER; |
864dbfa3 | 3775 | call_method("SPLICE",GIMME_V); |
a60c0954 | 3776 | LEAVE; |
93965878 NIS |
3777 | SPAGAIN; |
3778 | RETURN; | |
3779 | } | |
79072805 | 3780 | |
a0d0e21e | 3781 | SP++; |
79072805 | 3782 | |
a0d0e21e | 3783 | if (++MARK < SP) { |
84902520 | 3784 | offset = i = SvIVx(*MARK); |
a0d0e21e | 3785 | if (offset < 0) |
93965878 | 3786 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 3787 | else |
3280af22 | 3788 | offset -= PL_curcop->cop_arybase; |
84902520 | 3789 | if (offset < 0) |
cea2e8a9 | 3790 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |
3791 | if (++MARK < SP) { |
3792 | length = SvIVx(*MARK++); | |
48cdf507 GA |
3793 | if (length < 0) { |
3794 | length += AvFILLp(ary) - offset + 1; | |
3795 | if (length < 0) | |
3796 | length = 0; | |
3797 | } | |
79072805 LW |
3798 | } |
3799 | else | |
a0d0e21e | 3800 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 3801 | } |
a0d0e21e LW |
3802 | else { |
3803 | offset = 0; | |
3804 | length = AvMAX(ary) + 1; | |
3805 | } | |
93965878 NIS |
3806 | if (offset > AvFILLp(ary) + 1) |
3807 | offset = AvFILLp(ary) + 1; | |
3808 | after = AvFILLp(ary) + 1 - (offset + length); | |
a0d0e21e LW |
3809 | if (after < 0) { /* not that much array */ |
3810 | length += after; /* offset+length now in array */ | |
3811 | after = 0; | |
3812 | if (!AvALLOC(ary)) | |
3813 | av_extend(ary, 0); | |
3814 | } | |
3815 | ||
3816 | /* At this point, MARK .. SP-1 is our new LIST */ | |
3817 | ||
3818 | newlen = SP - MARK; | |
3819 | diff = newlen - length; | |
13d7cbc1 GS |
3820 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
3821 | av_reify(ary); | |
a0d0e21e LW |
3822 | |
3823 | if (diff < 0) { /* shrinking the area */ | |
3824 | if (newlen) { | |
3825 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
3826 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 3827 | } |
a0d0e21e LW |
3828 | |
3829 | MARK = ORIGMARK + 1; | |
3830 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
3831 | MEXTEND(MARK, length); | |
3832 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
3833 | if (AvREAL(ary)) { | |
bbce6d69 | 3834 | EXTEND_MORTAL(length); |
36477c24 | 3835 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 3836 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 3837 | dst++; |
3838 | } | |
a0d0e21e LW |
3839 | } |
3840 | MARK += length - 1; | |
79072805 | 3841 | } |
a0d0e21e LW |
3842 | else { |
3843 | *MARK = AvARRAY(ary)[offset+length-1]; | |
3844 | if (AvREAL(ary)) { | |
d689ffdd | 3845 | sv_2mortal(*MARK); |
a0d0e21e LW |
3846 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
3847 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 3848 | } |
a0d0e21e | 3849 | } |
93965878 | 3850 | AvFILLp(ary) += diff; |
a0d0e21e LW |
3851 | |
3852 | /* pull up or down? */ | |
3853 | ||
3854 | if (offset < after) { /* easier to pull up */ | |
3855 | if (offset) { /* esp. if nothing to pull */ | |
3856 | src = &AvARRAY(ary)[offset-1]; | |
3857 | dst = src - diff; /* diff is negative */ | |
3858 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
3859 | *dst-- = *src--; | |
79072805 | 3860 | } |
a0d0e21e LW |
3861 | dst = AvARRAY(ary); |
3862 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
3863 | AvMAX(ary) += diff; | |
3864 | } | |
3865 | else { | |
3866 | if (after) { /* anything to pull down? */ | |
3867 | src = AvARRAY(ary) + offset + length; | |
3868 | dst = src + diff; /* diff is negative */ | |
3869 | Move(src, dst, after, SV*); | |
79072805 | 3870 | } |
93965878 | 3871 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
3872 | /* avoid later double free */ |
3873 | } | |
3874 | i = -diff; | |
3875 | while (i) | |
3280af22 | 3876 | dst[--i] = &PL_sv_undef; |
a0d0e21e LW |
3877 | |
3878 | if (newlen) { | |
3879 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
3880 | newlen; newlen--) { | |
3881 | *dst = NEWSV(46, 0); | |
3882 | sv_setsv(*dst++, *src++); | |
79072805 | 3883 | } |
a0d0e21e LW |
3884 | Safefree(tmparyval); |
3885 | } | |
3886 | } | |
3887 | else { /* no, expanding (or same) */ | |
3888 | if (length) { | |
3889 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
3890 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
3891 | } | |
3892 | ||
3893 | if (diff > 0) { /* expanding */ | |
3894 | ||
3895 | /* push up or down? */ | |
3896 | ||
3897 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
3898 | if (offset) { | |
3899 | src = AvARRAY(ary); | |
3900 | dst = src - diff; | |
3901 | Move(src, dst, offset, SV*); | |
79072805 | 3902 | } |
a0d0e21e LW |
3903 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
3904 | AvMAX(ary) += diff; | |
93965878 | 3905 | AvFILLp(ary) += diff; |
79072805 LW |
3906 | } |
3907 | else { | |
93965878 NIS |
3908 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
3909 | av_extend(ary, AvFILLp(ary) + diff); | |
3910 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
3911 | |
3912 | if (after) { | |
93965878 | 3913 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
3914 | src = dst - diff; |
3915 | for (i = after; i; i--) { | |
3916 | *dst-- = *src--; | |
3917 | } | |
79072805 LW |
3918 | } |
3919 | } | |
a0d0e21e LW |
3920 | } |
3921 | ||
3922 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
3923 | *dst = NEWSV(46, 0); | |
3924 | sv_setsv(*dst++, *src++); | |
3925 | } | |
3926 | MARK = ORIGMARK + 1; | |
3927 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
3928 | if (length) { | |
3929 | Copy(tmparyval, MARK, length, SV*); | |
3930 | if (AvREAL(ary)) { | |
bbce6d69 | 3931 | EXTEND_MORTAL(length); |
36477c24 | 3932 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 3933 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 3934 | dst++; |
3935 | } | |
79072805 | 3936 | } |
a0d0e21e | 3937 | Safefree(tmparyval); |
79072805 | 3938 | } |
a0d0e21e LW |
3939 | MARK += length - 1; |
3940 | } | |
3941 | else if (length--) { | |
3942 | *MARK = tmparyval[length]; | |
3943 | if (AvREAL(ary)) { | |
d689ffdd | 3944 | sv_2mortal(*MARK); |
a0d0e21e LW |
3945 | while (length-- > 0) |
3946 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 3947 | } |
a0d0e21e | 3948 | Safefree(tmparyval); |
79072805 | 3949 | } |
a0d0e21e | 3950 | else |
3280af22 | 3951 | *MARK = &PL_sv_undef; |
79072805 | 3952 | } |
a0d0e21e | 3953 | SP = MARK; |
79072805 LW |
3954 | RETURN; |
3955 | } | |
3956 | ||
a0d0e21e | 3957 | PP(pp_push) |
79072805 | 3958 | { |
39644a26 | 3959 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 3960 | register AV *ary = (AV*)*++MARK; |
3280af22 | 3961 | register SV *sv = &PL_sv_undef; |
93965878 | 3962 | MAGIC *mg; |
79072805 | 3963 | |
14befaf4 | 3964 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
33c27489 | 3965 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 NIS |
3966 | PUSHMARK(MARK); |
3967 | PUTBACK; | |
a60c0954 | 3968 | ENTER; |
864dbfa3 | 3969 | call_method("PUSH",G_SCALAR|G_DISCARD); |
a60c0954 | 3970 | LEAVE; |
93965878 | 3971 | SPAGAIN; |
93965878 | 3972 | } |
a60c0954 NIS |
3973 | else { |
3974 | /* Why no pre-extend of ary here ? */ | |
3975 | for (++MARK; MARK <= SP; MARK++) { | |
3976 | sv = NEWSV(51, 0); | |
3977 | if (*MARK) | |
3978 | sv_setsv(sv, *MARK); | |
3979 | av_push(ary, sv); | |
3980 | } | |
79072805 LW |
3981 | } |
3982 | SP = ORIGMARK; | |
a0d0e21e | 3983 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
3984 | RETURN; |
3985 | } | |
3986 | ||
a0d0e21e | 3987 | PP(pp_pop) |
79072805 | 3988 | { |
39644a26 | 3989 | dSP; |
a0d0e21e LW |
3990 | AV *av = (AV*)POPs; |
3991 | SV *sv = av_pop(av); | |
d689ffdd | 3992 | if (AvREAL(av)) |
a0d0e21e LW |
3993 | (void)sv_2mortal(sv); |
3994 | PUSHs(sv); | |
79072805 | 3995 | RETURN; |
79072805 LW |
3996 | } |
3997 | ||
a0d0e21e | 3998 | PP(pp_shift) |
79072805 | 3999 | { |
39644a26 | 4000 | dSP; |
a0d0e21e LW |
4001 | AV *av = (AV*)POPs; |
4002 | SV *sv = av_shift(av); | |
79072805 | 4003 | EXTEND(SP, 1); |
a0d0e21e | 4004 | if (!sv) |
79072805 | 4005 | RETPUSHUNDEF; |
d689ffdd | 4006 | if (AvREAL(av)) |
a0d0e21e LW |
4007 | (void)sv_2mortal(sv); |
4008 | PUSHs(sv); | |
79072805 | 4009 | RETURN; |
79072805 LW |
4010 | } |
4011 | ||
a0d0e21e | 4012 | PP(pp_unshift) |
79072805 | 4013 | { |
39644a26 | 4014 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
4015 | register AV *ary = (AV*)*++MARK; |
4016 | register SV *sv; | |
4017 | register I32 i = 0; | |
93965878 NIS |
4018 | MAGIC *mg; |
4019 | ||
14befaf4 | 4020 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
33c27489 | 4021 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
7fd66d9d | 4022 | PUSHMARK(MARK); |
93965878 | 4023 | PUTBACK; |
a60c0954 | 4024 | ENTER; |
864dbfa3 | 4025 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
a60c0954 | 4026 | LEAVE; |
93965878 | 4027 | SPAGAIN; |
93965878 | 4028 | } |
a60c0954 NIS |
4029 | else { |
4030 | av_unshift(ary, SP - MARK); | |
4031 | while (MARK < SP) { | |
4032 | sv = NEWSV(27, 0); | |
4033 | sv_setsv(sv, *++MARK); | |
4034 | (void)av_store(ary, i++, sv); | |
4035 | } | |
79072805 | 4036 | } |
a0d0e21e LW |
4037 | SP = ORIGMARK; |
4038 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 4039 | RETURN; |
79072805 LW |
4040 | } |
4041 | ||
a0d0e21e | 4042 | PP(pp_reverse) |
79072805 | 4043 | { |
39644a26 | 4044 | dSP; dMARK; |
a0d0e21e LW |
4045 | register SV *tmp; |
4046 | SV **oldsp = SP; | |
79072805 | 4047 | |
a0d0e21e LW |
4048 | if (GIMME == G_ARRAY) { |
4049 | MARK++; | |
4050 | while (MARK < SP) { | |
4051 | tmp = *MARK; | |
4052 | *MARK++ = *SP; | |
4053 | *SP-- = tmp; | |
4054 | } | |
dd58a1ab | 4055 | /* safe as long as stack cannot get extended in the above */ |
a0d0e21e | 4056 | SP = oldsp; |
79072805 LW |
4057 | } |
4058 | else { | |
a0d0e21e LW |
4059 | register char *up; |
4060 | register char *down; | |
4061 | register I32 tmp; | |
4062 | dTARGET; | |
4063 | STRLEN len; | |
79072805 | 4064 | |
7e2040f0 | 4065 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 4066 | if (SP - MARK > 1) |
3280af22 | 4067 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 4068 | else |
54b9620d | 4069 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
4070 | up = SvPV_force(TARG, len); |
4071 | if (len > 1) { | |
7e2040f0 | 4072 | if (DO_UTF8(TARG)) { /* first reverse each character */ |
dfe13c55 GS |
4073 | U8* s = (U8*)SvPVX(TARG); |
4074 | U8* send = (U8*)(s + len); | |
a0ed51b3 | 4075 | while (s < send) { |
d742c382 | 4076 | if (UTF8_IS_INVARIANT(*s)) { |
a0ed51b3 LW |
4077 | s++; |
4078 | continue; | |
4079 | } | |
4080 | else { | |
9041c2e3 | 4081 | if (!utf8_to_uvchr(s, 0)) |
a0dbb045 | 4082 | break; |
dfe13c55 | 4083 | up = (char*)s; |
a0ed51b3 | 4084 | s += UTF8SKIP(s); |
dfe13c55 | 4085 | down = (char*)(s - 1); |
a0dbb045 | 4086 | /* reverse this character */ |
a0ed51b3 LW |
4087 | while (down > up) { |
4088 | tmp = *up; | |
4089 | *up++ = *down; | |
4090 | *down-- = tmp; | |
4091 | } | |
4092 | } | |
4093 | } | |
4094 | up = SvPVX(TARG); | |
4095 | } | |
a0d0e21e LW |
4096 | down = SvPVX(TARG) + len - 1; |
4097 | while (down > up) { | |
4098 | tmp = *up; | |
4099 | *up++ = *down; | |
4100 | *down-- = tmp; | |
4101 | } | |
3aa33fe5 | 4102 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 4103 | } |
a0d0e21e LW |
4104 | SP = MARK + 1; |
4105 | SETTARG; | |
79072805 | 4106 | } |
a0d0e21e | 4107 | RETURN; |
79072805 LW |
4108 | } |
4109 | ||
a0d0e21e | 4110 | PP(pp_split) |
79072805 | 4111 | { |
39644a26 | 4112 | dSP; dTARG; |
a0d0e21e | 4113 | AV *ary; |
467f0320 | 4114 | register IV limit = POPi; /* note, negative is forever */ |
a0d0e21e LW |
4115 | SV *sv = POPs; |
4116 | STRLEN len; | |
4117 | register char *s = SvPV(sv, len); | |
1aa99e6b | 4118 | bool do_utf8 = DO_UTF8(sv); |
a0d0e21e | 4119 | char *strend = s + len; |
44a8e56a | 4120 | register PMOP *pm; |
d9f97599 | 4121 | register REGEXP *rx; |
a0d0e21e LW |
4122 | register SV *dstr; |
4123 | register char *m; | |
4124 | I32 iters = 0; | |
792b2c16 JH |
4125 | STRLEN slen = do_utf8 ? utf8_length((U8*)s, (U8*)strend) : (strend - s); |
4126 | I32 maxiters = slen + 10; | |
a0d0e21e LW |
4127 | I32 i; |
4128 | char *orig; | |
4129 | I32 origlimit = limit; | |
4130 | I32 realarray = 0; | |
4131 | I32 base; | |
3280af22 | 4132 | AV *oldstack = PL_curstack; |
54310121 | 4133 | I32 gimme = GIMME_V; |
3280af22 | 4134 | I32 oldsave = PL_savestack_ix; |
8ec5e241 NIS |
4135 | I32 make_mortal = 1; |
4136 | MAGIC *mg = (MAGIC *) NULL; | |
79072805 | 4137 | |
44a8e56a | 4138 | #ifdef DEBUGGING |
4139 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
4140 | #else | |
4141 | pm = (PMOP*)POPs; | |
4142 | #endif | |
a0d0e21e | 4143 | if (!pm || !s) |
2269b42e | 4144 | DIE(aTHX_ "panic: pp_split"); |
aaa362c4 | 4145 | rx = PM_GETRE(pm); |
bbce6d69 | 4146 | |
4147 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
4148 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
4149 | ||
53c4c00c | 4150 | PL_reg_match_utf8 = do_utf8; |
d9f424b2 | 4151 | |
971a9dd3 GS |
4152 | if (pm->op_pmreplroot) { |
4153 | #ifdef USE_ITHREADS | |
cbfa9890 | 4154 | ary = GvAVn((GV*)PL_curpad[INT2PTR(PADOFFSET, pm->op_pmreplroot)]); |
971a9dd3 | 4155 | #else |
a0d0e21e | 4156 | ary = GvAVn((GV*)pm->op_pmreplroot); |
971a9dd3 GS |
4157 | #endif |
4158 | } | |
a0d0e21e | 4159 | else if (gimme != G_ARRAY) |
4d1ff10f | 4160 | #ifdef USE_5005THREADS |
533c011a | 4161 | ary = (AV*)PL_curpad[0]; |
6d4ff0d2 | 4162 | #else |
3280af22 | 4163 | ary = GvAVn(PL_defgv); |
4d1ff10f | 4164 | #endif /* USE_5005THREADS */ |
79072805 | 4165 | else |
a0d0e21e LW |
4166 | ary = Nullav; |
4167 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
4168 | realarray = 1; | |
8ec5e241 | 4169 | PUTBACK; |
a0d0e21e LW |
4170 | av_extend(ary,0); |
4171 | av_clear(ary); | |
8ec5e241 | 4172 | SPAGAIN; |
14befaf4 | 4173 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
8ec5e241 | 4174 | PUSHMARK(SP); |
33c27489 | 4175 | XPUSHs(SvTIED_obj((SV*)ary, mg)); |
8ec5e241 NIS |
4176 | } |
4177 | else { | |
1c0b011c NIS |
4178 | if (!AvREAL(ary)) { |
4179 | AvREAL_on(ary); | |
abff13bb | 4180 | AvREIFY_off(ary); |
1c0b011c | 4181 | for (i = AvFILLp(ary); i >= 0; i--) |
3280af22 | 4182 | AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */ |
1c0b011c NIS |
4183 | } |
4184 | /* temporarily switch stacks */ | |
3280af22 | 4185 | SWITCHSTACK(PL_curstack, ary); |
8ec5e241 | 4186 | make_mortal = 0; |
1c0b011c | 4187 | } |
79072805 | 4188 | } |
3280af22 | 4189 | base = SP - PL_stack_base; |
a0d0e21e LW |
4190 | orig = s; |
4191 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 4192 | if (pm->op_pmflags & PMf_LOCALE) { |
4193 | while (isSPACE_LC(*s)) | |
4194 | s++; | |
4195 | } | |
4196 | else { | |
4197 | while (isSPACE(*s)) | |
4198 | s++; | |
4199 | } | |
a0d0e21e | 4200 | } |
c07a80fd | 4201 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3280af22 NIS |
4202 | SAVEINT(PL_multiline); |
4203 | PL_multiline = pm->op_pmflags & PMf_MULTILINE; | |
c07a80fd | 4204 | } |
4205 | ||
a0d0e21e LW |
4206 | if (!limit) |
4207 | limit = maxiters + 2; | |
4208 | if (pm->op_pmflags & PMf_WHITE) { | |
4209 | while (--limit) { | |
bbce6d69 | 4210 | m = s; |
4211 | while (m < strend && | |
4212 | !((pm->op_pmflags & PMf_LOCALE) | |
4213 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
4214 | ++m; | |
a0d0e21e LW |
4215 | if (m >= strend) |
4216 | break; | |
bbce6d69 | 4217 | |
a0d0e21e LW |
4218 | dstr = NEWSV(30, m-s); |
4219 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4220 | if (make_mortal) |
a0d0e21e | 4221 | sv_2mortal(dstr); |
792b2c16 | 4222 | if (do_utf8) |
28cb3359 | 4223 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4224 | XPUSHs(dstr); |
bbce6d69 | 4225 | |
4226 | s = m + 1; | |
4227 | while (s < strend && | |
4228 | ((pm->op_pmflags & PMf_LOCALE) | |
4229 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
4230 | ++s; | |
79072805 LW |
4231 | } |
4232 | } | |
f4091fba | 4233 | else if (strEQ("^", rx->precomp)) { |
a0d0e21e LW |
4234 | while (--limit) { |
4235 | /*SUPPRESS 530*/ | |
4236 | for (m = s; m < strend && *m != '\n'; m++) ; | |
4237 | m++; | |
4238 | if (m >= strend) | |
4239 | break; | |
4240 | dstr = NEWSV(30, m-s); | |
4241 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4242 | if (make_mortal) |
a0d0e21e | 4243 | sv_2mortal(dstr); |
792b2c16 | 4244 | if (do_utf8) |
28cb3359 | 4245 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4246 | XPUSHs(dstr); |
4247 | s = m; | |
4248 | } | |
4249 | } | |
699c3c34 JH |
4250 | else if (do_utf8 == ((rx->reganch & ROPT_UTF8) != 0) && |
4251 | (rx->reganch & RE_USE_INTUIT) && !rx->nparens | |
d9f97599 GS |
4252 | && (rx->reganch & ROPT_CHECK_ALL) |
4253 | && !(rx->reganch & ROPT_ANCH)) { | |
f722798b IZ |
4254 | int tail = (rx->reganch & RE_INTUIT_TAIL); |
4255 | SV *csv = CALLREG_INTUIT_STRING(aTHX_ rx); | |
cf93c79d | 4256 | |
ca5b42cb | 4257 | len = rx->minlen; |
1aa99e6b | 4258 | if (len == 1 && !(rx->reganch & ROPT_UTF8) && !tail) { |
93f04dac JH |
4259 | STRLEN n_a; |
4260 | char c = *SvPV(csv, n_a); | |
a0d0e21e | 4261 | while (--limit) { |
bbce6d69 | 4262 | /*SUPPRESS 530*/ |
f722798b | 4263 | for (m = s; m < strend && *m != c; m++) ; |
a0d0e21e LW |
4264 | if (m >= strend) |
4265 | break; | |
4266 | dstr = NEWSV(30, m-s); | |
4267 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4268 | if (make_mortal) |
a0d0e21e | 4269 | sv_2mortal(dstr); |
792b2c16 | 4270 | if (do_utf8) |
28cb3359 | 4271 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4272 | XPUSHs(dstr); |
93f04dac JH |
4273 | /* The rx->minlen is in characters but we want to step |
4274 | * s ahead by bytes. */ | |
1aa99e6b IH |
4275 | if (do_utf8) |
4276 | s = (char*)utf8_hop((U8*)m, len); | |
4277 | else | |
4278 | s = m + len; /* Fake \n at the end */ | |
a0d0e21e LW |
4279 | } |
4280 | } | |
4281 | else { | |
4282 | #ifndef lint | |
4283 | while (s < strend && --limit && | |
f722798b IZ |
4284 | (m = fbm_instr((unsigned char*)s, (unsigned char*)strend, |
4285 | csv, PL_multiline ? FBMrf_MULTILINE : 0)) ) | |
79072805 | 4286 | #endif |
a0d0e21e LW |
4287 | { |
4288 | dstr = NEWSV(31, m-s); | |
4289 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4290 | if (make_mortal) |
a0d0e21e | 4291 | sv_2mortal(dstr); |
792b2c16 | 4292 | if (do_utf8) |
28cb3359 | 4293 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4294 | XPUSHs(dstr); |
93f04dac JH |
4295 | /* The rx->minlen is in characters but we want to step |
4296 | * s ahead by bytes. */ | |
1aa99e6b IH |
4297 | if (do_utf8) |
4298 | s = (char*)utf8_hop((U8*)m, len); | |
4299 | else | |
4300 | s = m + len; /* Fake \n at the end */ | |
a0d0e21e | 4301 | } |
463ee0b2 | 4302 | } |
463ee0b2 | 4303 | } |
a0d0e21e | 4304 | else { |
792b2c16 | 4305 | maxiters += slen * rx->nparens; |
f722798b | 4306 | while (s < strend && --limit |
b13b2135 | 4307 | /* && (!rx->check_substr |
f722798b IZ |
4308 | || ((s = CALLREG_INTUIT_START(aTHX_ rx, sv, s, strend, |
4309 | 0, NULL)))) | |
4310 | */ && CALLREGEXEC(aTHX_ rx, s, strend, orig, | |
4311 | 1 /* minend */, sv, NULL, 0)) | |
bbce6d69 | 4312 | { |
d9f97599 | 4313 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
cf93c79d | 4314 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
a0d0e21e LW |
4315 | m = s; |
4316 | s = orig; | |
cf93c79d | 4317 | orig = rx->subbeg; |
a0d0e21e LW |
4318 | s = orig + (m - s); |
4319 | strend = s + (strend - m); | |
4320 | } | |
cf93c79d | 4321 | m = rx->startp[0] + orig; |
a0d0e21e LW |
4322 | dstr = NEWSV(32, m-s); |
4323 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4324 | if (make_mortal) |
a0d0e21e | 4325 | sv_2mortal(dstr); |
792b2c16 | 4326 | if (do_utf8) |
28cb3359 | 4327 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4328 | XPUSHs(dstr); |
d9f97599 GS |
4329 | if (rx->nparens) { |
4330 | for (i = 1; i <= rx->nparens; i++) { | |
cf93c79d IZ |
4331 | s = rx->startp[i] + orig; |
4332 | m = rx->endp[i] + orig; | |
6de67870 JP |
4333 | |
4334 | /* japhy (07/27/01) -- the (m && s) test doesn't catch | |
4335 | parens that didn't match -- they should be set to | |
4336 | undef, not the empty string */ | |
4337 | if (m >= orig && s >= orig) { | |
748a9306 LW |
4338 | dstr = NEWSV(33, m-s); |
4339 | sv_setpvn(dstr, s, m-s); | |
4340 | } | |
4341 | else | |
6de67870 | 4342 | dstr = &PL_sv_undef; /* undef, not "" */ |
8ec5e241 | 4343 | if (make_mortal) |
a0d0e21e | 4344 | sv_2mortal(dstr); |
792b2c16 | 4345 | if (do_utf8) |
28cb3359 | 4346 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4347 | XPUSHs(dstr); |
4348 | } | |
4349 | } | |
cf93c79d | 4350 | s = rx->endp[0] + orig; |
a0d0e21e | 4351 | } |
79072805 | 4352 | } |
8ec5e241 | 4353 | |
c07a80fd | 4354 | LEAVE_SCOPE(oldsave); |
3280af22 | 4355 | iters = (SP - PL_stack_base) - base; |
a0d0e21e | 4356 | if (iters > maxiters) |
cea2e8a9 | 4357 | DIE(aTHX_ "Split loop"); |
8ec5e241 | 4358 | |
a0d0e21e LW |
4359 | /* keep field after final delim? */ |
4360 | if (s < strend || (iters && origlimit)) { | |
93f04dac JH |
4361 | STRLEN l = strend - s; |
4362 | dstr = NEWSV(34, l); | |
4363 | sv_setpvn(dstr, s, l); | |
8ec5e241 | 4364 | if (make_mortal) |
a0d0e21e | 4365 | sv_2mortal(dstr); |
792b2c16 | 4366 | if (do_utf8) |
28cb3359 | 4367 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4368 | XPUSHs(dstr); |
4369 | iters++; | |
79072805 | 4370 | } |
a0d0e21e | 4371 | else if (!origlimit) { |
b1dadf13 | 4372 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e LW |
4373 | iters--, SP--; |
4374 | } | |
8ec5e241 | 4375 | |
a0d0e21e | 4376 | if (realarray) { |
8ec5e241 | 4377 | if (!mg) { |
1c0b011c NIS |
4378 | SWITCHSTACK(ary, oldstack); |
4379 | if (SvSMAGICAL(ary)) { | |
4380 | PUTBACK; | |
4381 | mg_set((SV*)ary); | |
4382 | SPAGAIN; | |
4383 | } | |
4384 | if (gimme == G_ARRAY) { | |
4385 | EXTEND(SP, iters); | |
4386 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
4387 | SP += iters; | |
4388 | RETURN; | |
4389 | } | |
8ec5e241 | 4390 | } |
1c0b011c | 4391 | else { |
fb73857a | 4392 | PUTBACK; |
8ec5e241 | 4393 | ENTER; |
864dbfa3 | 4394 | call_method("PUSH",G_SCALAR|G_DISCARD); |
8ec5e241 | 4395 | LEAVE; |
fb73857a | 4396 | SPAGAIN; |
8ec5e241 NIS |
4397 | if (gimme == G_ARRAY) { |
4398 | /* EXTEND should not be needed - we just popped them */ | |
4399 | EXTEND(SP, iters); | |
4400 | for (i=0; i < iters; i++) { | |
4401 | SV **svp = av_fetch(ary, i, FALSE); | |
3280af22 | 4402 | PUSHs((svp) ? *svp : &PL_sv_undef); |
8ec5e241 | 4403 | } |
1c0b011c NIS |
4404 | RETURN; |
4405 | } | |
a0d0e21e LW |
4406 | } |
4407 | } | |
4408 | else { | |
4409 | if (gimme == G_ARRAY) | |
4410 | RETURN; | |
4411 | } | |
4412 | if (iters || !pm->op_pmreplroot) { | |
4413 | GETTARGET; | |
4414 | PUSHi(iters); | |
4415 | RETURN; | |
4416 | } | |
4417 | RETPUSHUNDEF; | |
79072805 | 4418 | } |
85e6fe83 | 4419 | |
4d1ff10f | 4420 | #ifdef USE_5005THREADS |
77a005ab | 4421 | void |
864dbfa3 | 4422 | Perl_unlock_condpair(pTHX_ void *svv) |
c0329465 | 4423 | { |
14befaf4 | 4424 | MAGIC *mg = mg_find((SV*)svv, PERL_MAGIC_mutex); |
8ec5e241 | 4425 | |
c0329465 | 4426 | if (!mg) |
cea2e8a9 | 4427 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking non-mutex"); |
c0329465 MB |
4428 | MUTEX_LOCK(MgMUTEXP(mg)); |
4429 | if (MgOWNER(mg) != thr) | |
cea2e8a9 | 4430 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking mutex that we don't own"); |
c0329465 MB |
4431 | MgOWNER(mg) = 0; |
4432 | COND_SIGNAL(MgOWNERCONDP(mg)); | |
b900a521 | 4433 | DEBUG_S(PerlIO_printf(Perl_debug_log, "0x%"UVxf": unlock 0x%"UVxf"\n", |
a674cc95 | 4434 | PTR2UV(thr), PTR2UV(svv))); |
c0329465 MB |
4435 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
4436 | } | |
4d1ff10f | 4437 | #endif /* USE_5005THREADS */ |
c0329465 MB |
4438 | |
4439 | PP(pp_lock) | |
4440 | { | |
39644a26 | 4441 | dSP; |
c0329465 | 4442 | dTOPss; |
e55aaa0e | 4443 | SV *retsv = sv; |
4d1ff10f | 4444 | #ifdef USE_5005THREADS |
4755096e | 4445 | sv_lock(sv); |
4d1ff10f | 4446 | #endif /* USE_5005THREADS */ |
ba674f84 AB |
4447 | #ifdef USE_ITHREADS |
4448 | shared_sv *ssv = Perl_sharedsv_find(aTHX_ sv); | |
4449 | if(ssv) | |
4450 | Perl_sharedsv_lock(aTHX_ ssv); | |
4451 | #endif /* USE_ITHREADS */ | |
e55aaa0e MB |
4452 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
4453 | || SvTYPE(retsv) == SVt_PVCV) { | |
4454 | retsv = refto(retsv); | |
4455 | } | |
4456 | SETs(retsv); | |
c0329465 MB |
4457 | RETURN; |
4458 | } | |
a863c7d1 | 4459 | |
2faa37cc | 4460 | PP(pp_threadsv) |
a863c7d1 | 4461 | { |
4d1ff10f | 4462 | #ifdef USE_5005THREADS |
39644a26 | 4463 | dSP; |
924508f0 | 4464 | EXTEND(SP, 1); |
533c011a NIS |
4465 | if (PL_op->op_private & OPpLVAL_INTRO) |
4466 | PUSHs(*save_threadsv(PL_op->op_targ)); | |
554b3eca | 4467 | else |
533c011a | 4468 | PUSHs(THREADSV(PL_op->op_targ)); |
fdb47d66 | 4469 | RETURN; |
a863c7d1 | 4470 | #else |
cea2e8a9 | 4471 | DIE(aTHX_ "tried to access per-thread data in non-threaded perl"); |
4d1ff10f | 4472 | #endif /* USE_5005THREADS */ |
a863c7d1 | 4473 | } |