Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
4bb101f2 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
b5f8cc5c | 4 | * 2000, 2001, 2002, 2003, 2004, by Larry Wall and others |
79072805 | 5 | * |
a0d0e21e LW |
6 | * You may distribute under the terms of either the GNU General Public |
7 | * License or the Artistic License, as specified in the README file. | |
79072805 | 8 | * |
a0d0e21e LW |
9 | */ |
10 | ||
11 | /* | |
12 | * "It's a big house this, and very peculiar. Always a bit more to discover, | |
13 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise | |
14 | */ | |
79072805 LW |
15 | |
16 | #include "EXTERN.h" | |
864dbfa3 | 17 | #define PERL_IN_PP_C |
79072805 | 18 | #include "perl.h" |
77bc9082 | 19 | #include "keywords.h" |
79072805 | 20 | |
a4af207c JH |
21 | #include "reentr.h" |
22 | ||
dfe9444c AD |
23 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ |
24 | it, since pid_t is an integral type. | |
25 | --AD 2/20/1998 | |
26 | */ | |
27 | #ifdef NEED_GETPID_PROTO | |
28 | extern Pid_t getpid (void); | |
8ac85365 NIS |
29 | #endif |
30 | ||
13017935 SM |
31 | /* variations on pp_null */ |
32 | ||
93a17b20 LW |
33 | PP(pp_stub) |
34 | { | |
39644a26 | 35 | dSP; |
54310121 | 36 | if (GIMME_V == G_SCALAR) |
3280af22 | 37 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
38 | RETURN; |
39 | } | |
40 | ||
79072805 LW |
41 | PP(pp_scalar) |
42 | { | |
43 | return NORMAL; | |
44 | } | |
45 | ||
46 | /* Pushy stuff. */ | |
47 | ||
93a17b20 LW |
48 | PP(pp_padav) |
49 | { | |
39644a26 | 50 | dSP; dTARGET; |
13017935 | 51 | I32 gimme; |
533c011a | 52 | if (PL_op->op_private & OPpLVAL_INTRO) |
dd2155a4 | 53 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); |
85e6fe83 | 54 | EXTEND(SP, 1); |
533c011a | 55 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 56 | PUSHs(TARG); |
93a17b20 | 57 | RETURN; |
78f9721b SM |
58 | } else if (LVRET) { |
59 | if (GIMME == G_SCALAR) | |
60 | Perl_croak(aTHX_ "Can't return array to lvalue scalar context"); | |
61 | PUSHs(TARG); | |
62 | RETURN; | |
85e6fe83 | 63 | } |
13017935 SM |
64 | gimme = GIMME_V; |
65 | if (gimme == G_ARRAY) { | |
85e6fe83 LW |
66 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
67 | EXTEND(SP, maxarg); | |
93965878 NIS |
68 | if (SvMAGICAL(TARG)) { |
69 | U32 i; | |
eb160463 | 70 | for (i=0; i < (U32)maxarg; i++) { |
93965878 | 71 | SV **svp = av_fetch((AV*)TARG, i, FALSE); |
3280af22 | 72 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
73 | } |
74 | } | |
75 | else { | |
76 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
77 | } | |
85e6fe83 LW |
78 | SP += maxarg; |
79 | } | |
13017935 | 80 | else if (gimme == G_SCALAR) { |
85e6fe83 LW |
81 | SV* sv = sv_newmortal(); |
82 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
83 | sv_setiv(sv, maxarg); | |
84 | PUSHs(sv); | |
85 | } | |
86 | RETURN; | |
93a17b20 LW |
87 | } |
88 | ||
89 | PP(pp_padhv) | |
90 | { | |
39644a26 | 91 | dSP; dTARGET; |
54310121 | 92 | I32 gimme; |
93 | ||
93a17b20 | 94 | XPUSHs(TARG); |
533c011a | 95 | if (PL_op->op_private & OPpLVAL_INTRO) |
dd2155a4 | 96 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); |
533c011a | 97 | if (PL_op->op_flags & OPf_REF) |
93a17b20 | 98 | RETURN; |
78f9721b SM |
99 | else if (LVRET) { |
100 | if (GIMME == G_SCALAR) | |
101 | Perl_croak(aTHX_ "Can't return hash to lvalue scalar context"); | |
102 | RETURN; | |
103 | } | |
54310121 | 104 | gimme = GIMME_V; |
105 | if (gimme == G_ARRAY) { | |
cea2e8a9 | 106 | RETURNOP(do_kv()); |
85e6fe83 | 107 | } |
54310121 | 108 | else if (gimme == G_SCALAR) { |
243d6ab3 | 109 | SV* sv = Perl_hv_scalar(aTHX_ (HV*)TARG); |
85e6fe83 | 110 | SETs(sv); |
85e6fe83 | 111 | } |
54310121 | 112 | RETURN; |
93a17b20 LW |
113 | } |
114 | ||
ed6116ce LW |
115 | PP(pp_padany) |
116 | { | |
cea2e8a9 | 117 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
ed6116ce LW |
118 | } |
119 | ||
79072805 LW |
120 | /* Translations. */ |
121 | ||
122 | PP(pp_rv2gv) | |
123 | { | |
39644a26 | 124 | dSP; dTOPss; |
8ec5e241 | 125 | |
ed6116ce | 126 | if (SvROK(sv)) { |
a0d0e21e | 127 | wasref: |
f5284f61 IZ |
128 | tryAMAGICunDEREF(to_gv); |
129 | ||
ed6116ce | 130 | sv = SvRV(sv); |
b1dadf13 | 131 | if (SvTYPE(sv) == SVt_PVIO) { |
132 | GV *gv = (GV*) sv_newmortal(); | |
133 | gv_init(gv, 0, "", 0, 0); | |
134 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 135 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 136 | sv = (SV*) gv; |
ef54e1a4 JH |
137 | } |
138 | else if (SvTYPE(sv) != SVt_PVGV) | |
cea2e8a9 | 139 | DIE(aTHX_ "Not a GLOB reference"); |
79072805 LW |
140 | } |
141 | else { | |
93a17b20 | 142 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 | 143 | char *sym; |
c9d5ac95 | 144 | STRLEN len; |
748a9306 | 145 | |
a0d0e21e LW |
146 | if (SvGMAGICAL(sv)) { |
147 | mg_get(sv); | |
148 | if (SvROK(sv)) | |
149 | goto wasref; | |
150 | } | |
afd1915d | 151 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
b13b2135 | 152 | /* If this is a 'my' scalar and flag is set then vivify |
853846ea | 153 | * NI-S 1999/05/07 |
b13b2135 | 154 | */ |
1d8d4d2a | 155 | if (PL_op->op_private & OPpDEREF) { |
2c8ac474 GS |
156 | char *name; |
157 | GV *gv; | |
158 | if (cUNOP->op_targ) { | |
159 | STRLEN len; | |
dd2155a4 | 160 | SV *namesv = PAD_SV(cUNOP->op_targ); |
2c8ac474 | 161 | name = SvPV(namesv, len); |
2d6d9f7a | 162 | gv = (GV*)NEWSV(0,0); |
2c8ac474 GS |
163 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
164 | } | |
165 | else { | |
166 | name = CopSTASHPV(PL_curcop); | |
167 | gv = newGVgen(name); | |
1d8d4d2a | 168 | } |
b13b2135 NIS |
169 | if (SvTYPE(sv) < SVt_RV) |
170 | sv_upgrade(sv, SVt_RV); | |
2c8ac474 | 171 | SvRV(sv) = (SV*)gv; |
853846ea | 172 | SvROK_on(sv); |
1d8d4d2a | 173 | SvSETMAGIC(sv); |
853846ea | 174 | goto wasref; |
2c8ac474 | 175 | } |
533c011a NIS |
176 | if (PL_op->op_flags & OPf_REF || |
177 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 178 | DIE(aTHX_ PL_no_usym, "a symbol"); |
599cee73 | 179 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 180 | report_uninit(); |
a0d0e21e LW |
181 | RETSETUNDEF; |
182 | } | |
c9d5ac95 | 183 | sym = SvPV(sv,len); |
35cd451c GS |
184 | if ((PL_op->op_flags & OPf_SPECIAL) && |
185 | !(PL_op->op_flags & OPf_MOD)) | |
186 | { | |
187 | sv = (SV*)gv_fetchpv(sym, FALSE, SVt_PVGV); | |
c9d5ac95 GS |
188 | if (!sv |
189 | && (!is_gv_magical(sym,len,0) | |
190 | || !(sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV)))) | |
191 | { | |
35cd451c | 192 | RETSETUNDEF; |
c9d5ac95 | 193 | } |
35cd451c GS |
194 | } |
195 | else { | |
196 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 197 | DIE(aTHX_ PL_no_symref, sym, "a symbol"); |
35cd451c GS |
198 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
199 | } | |
93a17b20 | 200 | } |
79072805 | 201 | } |
533c011a NIS |
202 | if (PL_op->op_private & OPpLVAL_INTRO) |
203 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
204 | SETs(sv); |
205 | RETURN; | |
206 | } | |
207 | ||
79072805 LW |
208 | PP(pp_rv2sv) |
209 | { | |
82d03984 | 210 | GV *gv = Nullgv; |
39644a26 | 211 | dSP; dTOPss; |
79072805 | 212 | |
ed6116ce | 213 | if (SvROK(sv)) { |
a0d0e21e | 214 | wasref: |
f5284f61 IZ |
215 | tryAMAGICunDEREF(to_sv); |
216 | ||
ed6116ce | 217 | sv = SvRV(sv); |
79072805 LW |
218 | switch (SvTYPE(sv)) { |
219 | case SVt_PVAV: | |
220 | case SVt_PVHV: | |
221 | case SVt_PVCV: | |
cea2e8a9 | 222 | DIE(aTHX_ "Not a SCALAR reference"); |
79072805 LW |
223 | } |
224 | } | |
225 | else { | |
748a9306 | 226 | char *sym; |
c9d5ac95 | 227 | STRLEN len; |
82d03984 | 228 | gv = (GV*)sv; |
748a9306 | 229 | |
463ee0b2 | 230 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
231 | if (SvGMAGICAL(sv)) { |
232 | mg_get(sv); | |
233 | if (SvROK(sv)) | |
234 | goto wasref; | |
235 | } | |
236 | if (!SvOK(sv)) { | |
533c011a NIS |
237 | if (PL_op->op_flags & OPf_REF || |
238 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 239 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
599cee73 | 240 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 241 | report_uninit(); |
a0d0e21e LW |
242 | RETSETUNDEF; |
243 | } | |
c9d5ac95 | 244 | sym = SvPV(sv, len); |
35cd451c GS |
245 | if ((PL_op->op_flags & OPf_SPECIAL) && |
246 | !(PL_op->op_flags & OPf_MOD)) | |
247 | { | |
248 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); | |
c9d5ac95 GS |
249 | if (!gv |
250 | && (!is_gv_magical(sym,len,0) | |
251 | || !(gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV)))) | |
252 | { | |
35cd451c | 253 | RETSETUNDEF; |
c9d5ac95 | 254 | } |
35cd451c GS |
255 | } |
256 | else { | |
257 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 258 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
35cd451c GS |
259 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
260 | } | |
463ee0b2 LW |
261 | } |
262 | sv = GvSV(gv); | |
a0d0e21e | 263 | } |
533c011a | 264 | if (PL_op->op_flags & OPf_MOD) { |
82d03984 RGS |
265 | if (PL_op->op_private & OPpLVAL_INTRO) { |
266 | if (cUNOP->op_first->op_type == OP_NULL) | |
267 | sv = save_scalar((GV*)TOPs); | |
268 | else if (gv) | |
269 | sv = save_scalar(gv); | |
270 | else | |
271 | Perl_croak(aTHX_ PL_no_localize_ref); | |
272 | } | |
533c011a NIS |
273 | else if (PL_op->op_private & OPpDEREF) |
274 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 275 | } |
a0d0e21e | 276 | SETs(sv); |
79072805 LW |
277 | RETURN; |
278 | } | |
279 | ||
280 | PP(pp_av2arylen) | |
281 | { | |
39644a26 | 282 | dSP; |
79072805 LW |
283 | AV *av = (AV*)TOPs; |
284 | SV *sv = AvARYLEN(av); | |
285 | if (!sv) { | |
286 | AvARYLEN(av) = sv = NEWSV(0,0); | |
287 | sv_upgrade(sv, SVt_IV); | |
14befaf4 | 288 | sv_magic(sv, (SV*)av, PERL_MAGIC_arylen, Nullch, 0); |
79072805 LW |
289 | } |
290 | SETs(sv); | |
291 | RETURN; | |
292 | } | |
293 | ||
a0d0e21e LW |
294 | PP(pp_pos) |
295 | { | |
39644a26 | 296 | dSP; dTARGET; dPOPss; |
8ec5e241 | 297 | |
78f9721b | 298 | if (PL_op->op_flags & OPf_MOD || LVRET) { |
5f05dabc | 299 | if (SvTYPE(TARG) < SVt_PVLV) { |
300 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 301 | sv_magic(TARG, Nullsv, PERL_MAGIC_pos, Nullch, 0); |
5f05dabc | 302 | } |
303 | ||
304 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
305 | if (LvTARG(TARG) != sv) { |
306 | if (LvTARG(TARG)) | |
307 | SvREFCNT_dec(LvTARG(TARG)); | |
308 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
309 | } | |
a0d0e21e LW |
310 | PUSHs(TARG); /* no SvSETMAGIC */ |
311 | RETURN; | |
312 | } | |
313 | else { | |
8ec5e241 | 314 | MAGIC* mg; |
a0d0e21e LW |
315 | |
316 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
14befaf4 | 317 | mg = mg_find(sv, PERL_MAGIC_regex_global); |
565764a8 | 318 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 | 319 | I32 i = mg->mg_len; |
7e2040f0 | 320 | if (DO_UTF8(sv)) |
a0ed51b3 LW |
321 | sv_pos_b2u(sv, &i); |
322 | PUSHi(i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
323 | RETURN; |
324 | } | |
325 | } | |
326 | RETPUSHUNDEF; | |
327 | } | |
328 | } | |
329 | ||
79072805 LW |
330 | PP(pp_rv2cv) |
331 | { | |
39644a26 | 332 | dSP; |
79072805 LW |
333 | GV *gv; |
334 | HV *stash; | |
8990e307 | 335 | |
4633a7c4 LW |
336 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
337 | /* (But not in defined().) */ | |
533c011a | 338 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
07055b4c CS |
339 | if (cv) { |
340 | if (CvCLONE(cv)) | |
341 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
d32f2495 SC |
342 | if ((PL_op->op_private & OPpLVAL_INTRO)) { |
343 | if (gv && GvCV(gv) == cv && (gv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), FALSE))) | |
344 | cv = GvCV(gv); | |
345 | if (!CvLVALUE(cv)) | |
346 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); | |
347 | } | |
07055b4c CS |
348 | } |
349 | else | |
3280af22 | 350 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
351 | SETs((SV*)cv); |
352 | RETURN; | |
353 | } | |
354 | ||
c07a80fd | 355 | PP(pp_prototype) |
356 | { | |
39644a26 | 357 | dSP; |
c07a80fd | 358 | CV *cv; |
359 | HV *stash; | |
360 | GV *gv; | |
361 | SV *ret; | |
362 | ||
3280af22 | 363 | ret = &PL_sv_undef; |
b6c543e3 IZ |
364 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
365 | char *s = SvPVX(TOPs); | |
366 | if (strnEQ(s, "CORE::", 6)) { | |
367 | int code; | |
b13b2135 | 368 | |
b6c543e3 IZ |
369 | code = keyword(s + 6, SvCUR(TOPs) - 6); |
370 | if (code < 0) { /* Overridable. */ | |
371 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
372 | int i = 0, n = 0, seen_question = 0; | |
373 | I32 oa; | |
374 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
375 | ||
77bc9082 RGS |
376 | if (code == -KEY_chop || code == -KEY_chomp) |
377 | goto set; | |
b6c543e3 | 378 | while (i < MAXO) { /* The slow way. */ |
22c35a8c GS |
379 | if (strEQ(s + 6, PL_op_name[i]) |
380 | || strEQ(s + 6, PL_op_desc[i])) | |
381 | { | |
b6c543e3 | 382 | goto found; |
22c35a8c | 383 | } |
b6c543e3 IZ |
384 | i++; |
385 | } | |
386 | goto nonesuch; /* Should not happen... */ | |
387 | found: | |
22c35a8c | 388 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 | 389 | while (oa) { |
3012a639 | 390 | if (oa & OA_OPTIONAL && !seen_question) { |
b6c543e3 IZ |
391 | seen_question = 1; |
392 | str[n++] = ';'; | |
ef54e1a4 | 393 | } |
b13b2135 | 394 | else if (n && str[0] == ';' && seen_question) |
b6c543e3 | 395 | goto set; /* XXXX system, exec */ |
b13b2135 | 396 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
6e97e420 SC |
397 | && (oa & (OA_OPTIONAL - 1)) <= OA_SCALARREF |
398 | /* But globs are already references (kinda) */ | |
399 | && (oa & (OA_OPTIONAL - 1)) != OA_FILEREF | |
400 | ) { | |
b6c543e3 IZ |
401 | str[n++] = '\\'; |
402 | } | |
b6c543e3 IZ |
403 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; |
404 | oa = oa >> 4; | |
405 | } | |
406 | str[n++] = '\0'; | |
79cb57f6 | 407 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
408 | } |
409 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
410 | goto set; |
411 | else { /* None such */ | |
412 | nonesuch: | |
d470f89e | 413 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
414 | } |
415 | } | |
416 | } | |
c07a80fd | 417 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 418 | if (cv && SvPOK(cv)) |
79cb57f6 | 419 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
b6c543e3 | 420 | set: |
c07a80fd | 421 | SETs(ret); |
422 | RETURN; | |
423 | } | |
424 | ||
a0d0e21e LW |
425 | PP(pp_anoncode) |
426 | { | |
39644a26 | 427 | dSP; |
dd2155a4 | 428 | CV* cv = (CV*)PAD_SV(PL_op->op_targ); |
a5f75d66 | 429 | if (CvCLONE(cv)) |
b355b4e0 | 430 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 431 | EXTEND(SP,1); |
748a9306 | 432 | PUSHs((SV*)cv); |
a0d0e21e LW |
433 | RETURN; |
434 | } | |
435 | ||
436 | PP(pp_srefgen) | |
79072805 | 437 | { |
39644a26 | 438 | dSP; |
71be2cbc | 439 | *SP = refto(*SP); |
79072805 | 440 | RETURN; |
8ec5e241 | 441 | } |
a0d0e21e LW |
442 | |
443 | PP(pp_refgen) | |
444 | { | |
39644a26 | 445 | dSP; dMARK; |
a0d0e21e | 446 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
447 | if (++MARK <= SP) |
448 | *MARK = *SP; | |
449 | else | |
3280af22 | 450 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
451 | *MARK = refto(*MARK); |
452 | SP = MARK; | |
453 | RETURN; | |
a0d0e21e | 454 | } |
bbce6d69 | 455 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 456 | while (++MARK <= SP) |
457 | *MARK = refto(*MARK); | |
a0d0e21e | 458 | RETURN; |
79072805 LW |
459 | } |
460 | ||
76e3520e | 461 | STATIC SV* |
cea2e8a9 | 462 | S_refto(pTHX_ SV *sv) |
71be2cbc | 463 | { |
464 | SV* rv; | |
465 | ||
466 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
467 | if (LvTARGLEN(sv)) | |
68dc0745 | 468 | vivify_defelem(sv); |
469 | if (!(sv = LvTARG(sv))) | |
3280af22 | 470 | sv = &PL_sv_undef; |
0dd88869 | 471 | else |
a6c40364 | 472 | (void)SvREFCNT_inc(sv); |
71be2cbc | 473 | } |
d8b46c1b GS |
474 | else if (SvTYPE(sv) == SVt_PVAV) { |
475 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
476 | av_reify((AV*)sv); | |
477 | SvTEMP_off(sv); | |
478 | (void)SvREFCNT_inc(sv); | |
479 | } | |
f2933f5f DM |
480 | else if (SvPADTMP(sv) && !IS_PADGV(sv)) |
481 | sv = newSVsv(sv); | |
71be2cbc | 482 | else { |
483 | SvTEMP_off(sv); | |
484 | (void)SvREFCNT_inc(sv); | |
485 | } | |
486 | rv = sv_newmortal(); | |
487 | sv_upgrade(rv, SVt_RV); | |
488 | SvRV(rv) = sv; | |
489 | SvROK_on(rv); | |
490 | return rv; | |
491 | } | |
492 | ||
79072805 LW |
493 | PP(pp_ref) |
494 | { | |
39644a26 | 495 | dSP; dTARGET; |
463ee0b2 | 496 | SV *sv; |
79072805 LW |
497 | char *pv; |
498 | ||
a0d0e21e | 499 | sv = POPs; |
f12c7020 | 500 | |
501 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 502 | mg_get(sv); |
f12c7020 | 503 | |
a0d0e21e | 504 | if (!sv || !SvROK(sv)) |
4633a7c4 | 505 | RETPUSHNO; |
79072805 | 506 | |
ed6116ce | 507 | sv = SvRV(sv); |
a0d0e21e | 508 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 509 | PUSHp(pv, strlen(pv)); |
79072805 LW |
510 | RETURN; |
511 | } | |
512 | ||
513 | PP(pp_bless) | |
514 | { | |
39644a26 | 515 | dSP; |
463ee0b2 | 516 | HV *stash; |
79072805 | 517 | |
463ee0b2 | 518 | if (MAXARG == 1) |
11faa288 | 519 | stash = CopSTASH(PL_curcop); |
7b8d334a GS |
520 | else { |
521 | SV *ssv = POPs; | |
522 | STRLEN len; | |
81689caa HS |
523 | char *ptr; |
524 | ||
016a42f3 | 525 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
81689caa HS |
526 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
527 | ptr = SvPV(ssv,len); | |
e476b1b5 | 528 | if (ckWARN(WARN_MISC) && len == 0) |
9014280d | 529 | Perl_warner(aTHX_ packWARN(WARN_MISC), |
599cee73 | 530 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
531 | stash = gv_stashpvn(ptr, len, TRUE); |
532 | } | |
a0d0e21e | 533 | |
5d3fdfeb | 534 | (void)sv_bless(TOPs, stash); |
79072805 LW |
535 | RETURN; |
536 | } | |
537 | ||
fb73857a | 538 | PP(pp_gelem) |
539 | { | |
540 | GV *gv; | |
541 | SV *sv; | |
76e3520e | 542 | SV *tmpRef; |
fb73857a | 543 | char *elem; |
39644a26 | 544 | dSP; |
2d8e6c8d | 545 | STRLEN n_a; |
b13b2135 | 546 | |
fb73857a | 547 | sv = POPs; |
2d8e6c8d | 548 | elem = SvPV(sv, n_a); |
fb73857a | 549 | gv = (GV*)POPs; |
76e3520e | 550 | tmpRef = Nullsv; |
fb73857a | 551 | sv = Nullsv; |
552 | switch (elem ? *elem : '\0') | |
553 | { | |
554 | case 'A': | |
555 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 556 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 557 | break; |
558 | case 'C': | |
559 | if (strEQ(elem, "CODE")) | |
76e3520e | 560 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 561 | break; |
562 | case 'F': | |
39b99f21 | 563 | if (strEQ(elem, "FILEHANDLE")) { |
564 | /* finally deprecated in 5.8.0 */ | |
9014280d | 565 | deprecate("*glob{FILEHANDLE}"); |
76e3520e | 566 | tmpRef = (SV*)GvIOp(gv); |
39b99f21 | 567 | } |
f4d13ee9 JH |
568 | else |
569 | if (strEQ(elem, "FORMAT")) | |
570 | tmpRef = (SV*)GvFORM(gv); | |
fb73857a | 571 | break; |
572 | case 'G': | |
573 | if (strEQ(elem, "GLOB")) | |
76e3520e | 574 | tmpRef = (SV*)gv; |
fb73857a | 575 | break; |
576 | case 'H': | |
577 | if (strEQ(elem, "HASH")) | |
76e3520e | 578 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 579 | break; |
580 | case 'I': | |
581 | if (strEQ(elem, "IO")) | |
76e3520e | 582 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 583 | break; |
584 | case 'N': | |
585 | if (strEQ(elem, "NAME")) | |
79cb57f6 | 586 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
fb73857a | 587 | break; |
588 | case 'P': | |
3fc84d6d JH |
589 | if (strEQ(elem, "PACKAGE")) { |
590 | if (HvNAME(GvSTASH(gv))) | |
591 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
592 | else | |
593 | sv = newSVpv("__ANON__",0); | |
594 | } | |
fb73857a | 595 | break; |
596 | case 'S': | |
597 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 598 | tmpRef = GvSV(gv); |
fb73857a | 599 | break; |
600 | } | |
76e3520e GS |
601 | if (tmpRef) |
602 | sv = newRV(tmpRef); | |
fb73857a | 603 | if (sv) |
604 | sv_2mortal(sv); | |
605 | else | |
3280af22 | 606 | sv = &PL_sv_undef; |
fb73857a | 607 | XPUSHs(sv); |
608 | RETURN; | |
609 | } | |
610 | ||
a0d0e21e | 611 | /* Pattern matching */ |
79072805 | 612 | |
a0d0e21e | 613 | PP(pp_study) |
79072805 | 614 | { |
39644a26 | 615 | dSP; dPOPss; |
a0d0e21e LW |
616 | register unsigned char *s; |
617 | register I32 pos; | |
618 | register I32 ch; | |
619 | register I32 *sfirst; | |
620 | register I32 *snext; | |
a0d0e21e LW |
621 | STRLEN len; |
622 | ||
3280af22 | 623 | if (sv == PL_lastscream) { |
1e422769 | 624 | if (SvSCREAM(sv)) |
625 | RETPUSHYES; | |
626 | } | |
c07a80fd | 627 | else { |
3280af22 NIS |
628 | if (PL_lastscream) { |
629 | SvSCREAM_off(PL_lastscream); | |
630 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 631 | } |
3280af22 | 632 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 633 | } |
1e422769 | 634 | |
635 | s = (unsigned char*)(SvPV(sv, len)); | |
636 | pos = len; | |
637 | if (pos <= 0) | |
638 | RETPUSHNO; | |
3280af22 NIS |
639 | if (pos > PL_maxscream) { |
640 | if (PL_maxscream < 0) { | |
641 | PL_maxscream = pos + 80; | |
642 | New(301, PL_screamfirst, 256, I32); | |
643 | New(302, PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
644 | } |
645 | else { | |
3280af22 NIS |
646 | PL_maxscream = pos + pos / 4; |
647 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 648 | } |
79072805 | 649 | } |
a0d0e21e | 650 | |
3280af22 NIS |
651 | sfirst = PL_screamfirst; |
652 | snext = PL_screamnext; | |
a0d0e21e LW |
653 | |
654 | if (!sfirst || !snext) | |
cea2e8a9 | 655 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
656 | |
657 | for (ch = 256; ch; --ch) | |
658 | *sfirst++ = -1; | |
659 | sfirst -= 256; | |
660 | ||
661 | while (--pos >= 0) { | |
662 | ch = s[pos]; | |
663 | if (sfirst[ch] >= 0) | |
664 | snext[pos] = sfirst[ch] - pos; | |
665 | else | |
666 | snext[pos] = -pos; | |
667 | sfirst[ch] = pos; | |
79072805 LW |
668 | } |
669 | ||
c07a80fd | 670 | SvSCREAM_on(sv); |
14befaf4 DM |
671 | /* piggyback on m//g magic */ |
672 | sv_magic(sv, Nullsv, PERL_MAGIC_regex_global, Nullch, 0); | |
1e422769 | 673 | RETPUSHYES; |
79072805 LW |
674 | } |
675 | ||
a0d0e21e | 676 | PP(pp_trans) |
79072805 | 677 | { |
39644a26 | 678 | dSP; dTARG; |
a0d0e21e LW |
679 | SV *sv; |
680 | ||
533c011a | 681 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 682 | sv = POPs; |
59f00321 RGS |
683 | else if (PL_op->op_private & OPpTARGET_MY) |
684 | sv = GETTARGET; | |
79072805 | 685 | else { |
54b9620d | 686 | sv = DEFSV; |
a0d0e21e | 687 | EXTEND(SP,1); |
79072805 | 688 | } |
adbc6bb1 | 689 | TARG = sv_newmortal(); |
4757a243 | 690 | PUSHi(do_trans(sv)); |
a0d0e21e | 691 | RETURN; |
79072805 LW |
692 | } |
693 | ||
a0d0e21e | 694 | /* Lvalue operators. */ |
79072805 | 695 | |
a0d0e21e LW |
696 | PP(pp_schop) |
697 | { | |
39644a26 | 698 | dSP; dTARGET; |
a0d0e21e LW |
699 | do_chop(TARG, TOPs); |
700 | SETTARG; | |
701 | RETURN; | |
79072805 LW |
702 | } |
703 | ||
a0d0e21e | 704 | PP(pp_chop) |
79072805 | 705 | { |
2ec6af5f RG |
706 | dSP; dMARK; dTARGET; dORIGMARK; |
707 | while (MARK < SP) | |
708 | do_chop(TARG, *++MARK); | |
709 | SP = ORIGMARK; | |
a0d0e21e LW |
710 | PUSHTARG; |
711 | RETURN; | |
79072805 LW |
712 | } |
713 | ||
a0d0e21e | 714 | PP(pp_schomp) |
79072805 | 715 | { |
39644a26 | 716 | dSP; dTARGET; |
a0d0e21e LW |
717 | SETi(do_chomp(TOPs)); |
718 | RETURN; | |
79072805 LW |
719 | } |
720 | ||
a0d0e21e | 721 | PP(pp_chomp) |
79072805 | 722 | { |
39644a26 | 723 | dSP; dMARK; dTARGET; |
a0d0e21e | 724 | register I32 count = 0; |
8ec5e241 | 725 | |
a0d0e21e LW |
726 | while (SP > MARK) |
727 | count += do_chomp(POPs); | |
728 | PUSHi(count); | |
729 | RETURN; | |
79072805 LW |
730 | } |
731 | ||
a0d0e21e | 732 | PP(pp_defined) |
463ee0b2 | 733 | { |
39644a26 | 734 | dSP; |
a0d0e21e LW |
735 | register SV* sv; |
736 | ||
737 | sv = POPs; | |
738 | if (!sv || !SvANY(sv)) | |
739 | RETPUSHNO; | |
740 | switch (SvTYPE(sv)) { | |
741 | case SVt_PVAV: | |
14befaf4 DM |
742 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) |
743 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
a0d0e21e LW |
744 | RETPUSHYES; |
745 | break; | |
746 | case SVt_PVHV: | |
14befaf4 DM |
747 | if (HvARRAY(sv) || SvGMAGICAL(sv) |
748 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
a0d0e21e LW |
749 | RETPUSHYES; |
750 | break; | |
751 | case SVt_PVCV: | |
752 | if (CvROOT(sv) || CvXSUB(sv)) | |
753 | RETPUSHYES; | |
754 | break; | |
755 | default: | |
756 | if (SvGMAGICAL(sv)) | |
757 | mg_get(sv); | |
758 | if (SvOK(sv)) | |
759 | RETPUSHYES; | |
760 | } | |
761 | RETPUSHNO; | |
463ee0b2 LW |
762 | } |
763 | ||
a0d0e21e LW |
764 | PP(pp_undef) |
765 | { | |
39644a26 | 766 | dSP; |
a0d0e21e LW |
767 | SV *sv; |
768 | ||
533c011a | 769 | if (!PL_op->op_private) { |
774d564b | 770 | EXTEND(SP, 1); |
a0d0e21e | 771 | RETPUSHUNDEF; |
774d564b | 772 | } |
79072805 | 773 | |
a0d0e21e LW |
774 | sv = POPs; |
775 | if (!sv) | |
776 | RETPUSHUNDEF; | |
85e6fe83 | 777 | |
765f542d | 778 | SV_CHECK_THINKFIRST_COW_DROP(sv); |
85e6fe83 | 779 | |
a0d0e21e LW |
780 | switch (SvTYPE(sv)) { |
781 | case SVt_NULL: | |
782 | break; | |
783 | case SVt_PVAV: | |
784 | av_undef((AV*)sv); | |
785 | break; | |
786 | case SVt_PVHV: | |
787 | hv_undef((HV*)sv); | |
788 | break; | |
789 | case SVt_PVCV: | |
e476b1b5 | 790 | if (ckWARN(WARN_MISC) && cv_const_sv((CV*)sv)) |
9014280d | 791 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Constant subroutine %s undefined", |
54310121 | 792 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 793 | /* FALL THROUGH */ |
794 | case SVt_PVFM: | |
6fc92669 GS |
795 | { |
796 | /* let user-undef'd sub keep its identity */ | |
65c50114 | 797 | GV* gv = CvGV((CV*)sv); |
6fc92669 GS |
798 | cv_undef((CV*)sv); |
799 | CvGV((CV*)sv) = gv; | |
800 | } | |
a0d0e21e | 801 | break; |
8e07c86e | 802 | case SVt_PVGV: |
44a8e56a | 803 | if (SvFAKE(sv)) |
3280af22 | 804 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
805 | else { |
806 | GP *gp; | |
807 | gp_free((GV*)sv); | |
808 | Newz(602, gp, 1, GP); | |
809 | GvGP(sv) = gp_ref(gp); | |
810 | GvSV(sv) = NEWSV(72,0); | |
57843af0 | 811 | GvLINE(sv) = CopLINE(PL_curcop); |
20408e3c GS |
812 | GvEGV(sv) = (GV*)sv; |
813 | GvMULTI_on(sv); | |
814 | } | |
44a8e56a | 815 | break; |
a0d0e21e | 816 | default: |
1e422769 | 817 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
818 | (void)SvOOK_off(sv); |
819 | Safefree(SvPVX(sv)); | |
820 | SvPV_set(sv, Nullch); | |
821 | SvLEN_set(sv, 0); | |
a0d0e21e | 822 | } |
4633a7c4 LW |
823 | (void)SvOK_off(sv); |
824 | SvSETMAGIC(sv); | |
79072805 | 825 | } |
a0d0e21e LW |
826 | |
827 | RETPUSHUNDEF; | |
79072805 LW |
828 | } |
829 | ||
a0d0e21e | 830 | PP(pp_predec) |
79072805 | 831 | { |
39644a26 | 832 | dSP; |
f39684df | 833 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
d470f89e | 834 | DIE(aTHX_ PL_no_modify); |
3510b4a1 NC |
835 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
836 | && SvIVX(TOPs) != IV_MIN) | |
55497cff | 837 | { |
748a9306 | 838 | --SvIVX(TOPs); |
55497cff | 839 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
840 | } |
841 | else | |
842 | sv_dec(TOPs); | |
a0d0e21e LW |
843 | SvSETMAGIC(TOPs); |
844 | return NORMAL; | |
845 | } | |
79072805 | 846 | |
a0d0e21e LW |
847 | PP(pp_postinc) |
848 | { | |
39644a26 | 849 | dSP; dTARGET; |
f39684df | 850 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
d470f89e | 851 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 852 | sv_setsv(TARG, TOPs); |
3510b4a1 NC |
853 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
854 | && SvIVX(TOPs) != IV_MAX) | |
55497cff | 855 | { |
748a9306 | 856 | ++SvIVX(TOPs); |
55497cff | 857 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
858 | } |
859 | else | |
860 | sv_inc(TOPs); | |
a0d0e21e | 861 | SvSETMAGIC(TOPs); |
1e54a23f | 862 | /* special case for undef: see thread at 2003-03/msg00536.html in archive */ |
a0d0e21e LW |
863 | if (!SvOK(TARG)) |
864 | sv_setiv(TARG, 0); | |
865 | SETs(TARG); | |
866 | return NORMAL; | |
867 | } | |
79072805 | 868 | |
a0d0e21e LW |
869 | PP(pp_postdec) |
870 | { | |
39644a26 | 871 | dSP; dTARGET; |
f39684df | 872 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
d470f89e | 873 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 874 | sv_setsv(TARG, TOPs); |
3510b4a1 NC |
875 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
876 | && SvIVX(TOPs) != IV_MIN) | |
55497cff | 877 | { |
748a9306 | 878 | --SvIVX(TOPs); |
55497cff | 879 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
880 | } |
881 | else | |
882 | sv_dec(TOPs); | |
a0d0e21e LW |
883 | SvSETMAGIC(TOPs); |
884 | SETs(TARG); | |
885 | return NORMAL; | |
886 | } | |
79072805 | 887 | |
a0d0e21e LW |
888 | /* Ordinary operators. */ |
889 | ||
890 | PP(pp_pow) | |
891 | { | |
52a96ae6 | 892 | dSP; dATARGET; |
58d76dfd | 893 | #ifdef PERL_PRESERVE_IVUV |
52a96ae6 HS |
894 | bool is_int = 0; |
895 | #endif | |
896 | tryAMAGICbin(pow,opASSIGN); | |
897 | #ifdef PERL_PRESERVE_IVUV | |
898 | /* For integer to integer power, we do the calculation by hand wherever | |
899 | we're sure it is safe; otherwise we call pow() and try to convert to | |
900 | integer afterwards. */ | |
58d76dfd JH |
901 | { |
902 | SvIV_please(TOPm1s); | |
903 | if (SvIOK(TOPm1s)) { | |
904 | bool baseuok = SvUOK(TOPm1s); | |
905 | UV baseuv; | |
906 | ||
907 | if (baseuok) { | |
908 | baseuv = SvUVX(TOPm1s); | |
909 | } else { | |
910 | IV iv = SvIVX(TOPm1s); | |
911 | if (iv >= 0) { | |
912 | baseuv = iv; | |
913 | baseuok = TRUE; /* effectively it's a UV now */ | |
914 | } else { | |
915 | baseuv = -iv; /* abs, baseuok == false records sign */ | |
916 | } | |
917 | } | |
918 | SvIV_please(TOPs); | |
919 | if (SvIOK(TOPs)) { | |
920 | UV power; | |
921 | ||
922 | if (SvUOK(TOPs)) { | |
923 | power = SvUVX(TOPs); | |
924 | } else { | |
925 | IV iv = SvIVX(TOPs); | |
926 | if (iv >= 0) { | |
927 | power = iv; | |
928 | } else { | |
929 | goto float_it; /* Can't do negative powers this way. */ | |
930 | } | |
931 | } | |
52a96ae6 HS |
932 | /* now we have integer ** positive integer. */ |
933 | is_int = 1; | |
934 | ||
935 | /* foo & (foo - 1) is zero only for a power of 2. */ | |
58d76dfd | 936 | if (!(baseuv & (baseuv - 1))) { |
52a96ae6 | 937 | /* We are raising power-of-2 to a positive integer. |
58d76dfd JH |
938 | The logic here will work for any base (even non-integer |
939 | bases) but it can be less accurate than | |
940 | pow (base,power) or exp (power * log (base)) when the | |
941 | intermediate values start to spill out of the mantissa. | |
942 | With powers of 2 we know this can't happen. | |
943 | And powers of 2 are the favourite thing for perl | |
944 | programmers to notice ** not doing what they mean. */ | |
945 | NV result = 1.0; | |
946 | NV base = baseuok ? baseuv : -(NV)baseuv; | |
947 | int n = 0; | |
948 | ||
58d76dfd JH |
949 | for (; power; base *= base, n++) { |
950 | /* Do I look like I trust gcc with long longs here? | |
951 | Do I hell. */ | |
952 | UV bit = (UV)1 << (UV)n; | |
953 | if (power & bit) { | |
954 | result *= base; | |
955 | /* Only bother to clear the bit if it is set. */ | |
52a96ae6 | 956 | power -= bit; |
90fcb902 CB |
957 | /* Avoid squaring base again if we're done. */ |
958 | if (power == 0) break; | |
58d76dfd JH |
959 | } |
960 | } | |
961 | SP--; | |
962 | SETn( result ); | |
52a96ae6 | 963 | SvIV_please(TOPs); |
58d76dfd | 964 | RETURN; |
52a96ae6 HS |
965 | } else { |
966 | register unsigned int highbit = 8 * sizeof(UV); | |
967 | register unsigned int lowbit = 0; | |
968 | register unsigned int diff; | |
56c23875 | 969 | bool odd_power = (bool)(power & 1); |
52a96ae6 HS |
970 | while ((diff = (highbit - lowbit) >> 1)) { |
971 | if (baseuv & ~((1 << (lowbit + diff)) - 1)) | |
972 | lowbit += diff; | |
973 | else | |
974 | highbit -= diff; | |
975 | } | |
976 | /* we now have baseuv < 2 ** highbit */ | |
977 | if (power * highbit <= 8 * sizeof(UV)) { | |
978 | /* result will definitely fit in UV, so use UV math | |
979 | on same algorithm as above */ | |
980 | register UV result = 1; | |
981 | register UV base = baseuv; | |
982 | register int n = 0; | |
983 | for (; power; base *= base, n++) { | |
984 | register UV bit = (UV)1 << (UV)n; | |
985 | if (power & bit) { | |
986 | result *= base; | |
987 | power -= bit; | |
988 | if (power == 0) break; | |
989 | } | |
990 | } | |
991 | SP--; | |
0615a994 | 992 | if (baseuok || !odd_power) |
52a96ae6 HS |
993 | /* answer is positive */ |
994 | SETu( result ); | |
995 | else if (result <= (UV)IV_MAX) | |
996 | /* answer negative, fits in IV */ | |
997 | SETi( -(IV)result ); | |
998 | else if (result == (UV)IV_MIN) | |
999 | /* 2's complement assumption: special case IV_MIN */ | |
1000 | SETi( IV_MIN ); | |
1001 | else | |
1002 | /* answer negative, doesn't fit */ | |
1003 | SETn( -(NV)result ); | |
1004 | RETURN; | |
1005 | } | |
1006 | } | |
1007 | } | |
1008 | } | |
58d76dfd | 1009 | } |
52a96ae6 | 1010 | float_it: |
58d76dfd | 1011 | #endif |
a0d0e21e | 1012 | { |
52a96ae6 HS |
1013 | dPOPTOPnnrl; |
1014 | SETn( Perl_pow( left, right) ); | |
1015 | #ifdef PERL_PRESERVE_IVUV | |
1016 | if (is_int) | |
1017 | SvIV_please(TOPs); | |
1018 | #endif | |
1019 | RETURN; | |
93a17b20 | 1020 | } |
a0d0e21e LW |
1021 | } |
1022 | ||
1023 | PP(pp_multiply) | |
1024 | { | |
39644a26 | 1025 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
28e5dec8 JH |
1026 | #ifdef PERL_PRESERVE_IVUV |
1027 | SvIV_please(TOPs); | |
1028 | if (SvIOK(TOPs)) { | |
1029 | /* Unless the left argument is integer in range we are going to have to | |
1030 | use NV maths. Hence only attempt to coerce the right argument if | |
1031 | we know the left is integer. */ | |
1032 | /* Left operand is defined, so is it IV? */ | |
1033 | SvIV_please(TOPm1s); | |
1034 | if (SvIOK(TOPm1s)) { | |
1035 | bool auvok = SvUOK(TOPm1s); | |
1036 | bool buvok = SvUOK(TOPs); | |
1037 | const UV topmask = (~ (UV)0) << (4 * sizeof (UV)); | |
1038 | const UV botmask = ~((~ (UV)0) << (4 * sizeof (UV))); | |
1039 | UV alow; | |
1040 | UV ahigh; | |
1041 | UV blow; | |
1042 | UV bhigh; | |
1043 | ||
1044 | if (auvok) { | |
1045 | alow = SvUVX(TOPm1s); | |
1046 | } else { | |
1047 | IV aiv = SvIVX(TOPm1s); | |
1048 | if (aiv >= 0) { | |
1049 | alow = aiv; | |
1050 | auvok = TRUE; /* effectively it's a UV now */ | |
1051 | } else { | |
1052 | alow = -aiv; /* abs, auvok == false records sign */ | |
1053 | } | |
1054 | } | |
1055 | if (buvok) { | |
1056 | blow = SvUVX(TOPs); | |
1057 | } else { | |
1058 | IV biv = SvIVX(TOPs); | |
1059 | if (biv >= 0) { | |
1060 | blow = biv; | |
1061 | buvok = TRUE; /* effectively it's a UV now */ | |
1062 | } else { | |
1063 | blow = -biv; /* abs, buvok == false records sign */ | |
1064 | } | |
1065 | } | |
1066 | ||
1067 | /* If this does sign extension on unsigned it's time for plan B */ | |
1068 | ahigh = alow >> (4 * sizeof (UV)); | |
1069 | alow &= botmask; | |
1070 | bhigh = blow >> (4 * sizeof (UV)); | |
1071 | blow &= botmask; | |
1072 | if (ahigh && bhigh) { | |
1073 | /* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000 | |
1074 | which is overflow. Drop to NVs below. */ | |
1075 | } else if (!ahigh && !bhigh) { | |
1076 | /* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001 | |
1077 | so the unsigned multiply cannot overflow. */ | |
1078 | UV product = alow * blow; | |
1079 | if (auvok == buvok) { | |
1080 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
1081 | SP--; | |
1082 | SETu( product ); | |
1083 | RETURN; | |
1084 | } else if (product <= (UV)IV_MIN) { | |
1085 | /* 2s complement assumption that (UV)-IV_MIN is correct. */ | |
1086 | /* -ve result, which could overflow an IV */ | |
1087 | SP--; | |
25716404 | 1088 | SETi( -(IV)product ); |
28e5dec8 JH |
1089 | RETURN; |
1090 | } /* else drop to NVs below. */ | |
1091 | } else { | |
1092 | /* One operand is large, 1 small */ | |
1093 | UV product_middle; | |
1094 | if (bhigh) { | |
1095 | /* swap the operands */ | |
1096 | ahigh = bhigh; | |
1097 | bhigh = blow; /* bhigh now the temp var for the swap */ | |
1098 | blow = alow; | |
1099 | alow = bhigh; | |
1100 | } | |
1101 | /* now, ((ahigh * blow) << half_UV_len) + (alow * blow) | |
1102 | multiplies can't overflow. shift can, add can, -ve can. */ | |
1103 | product_middle = ahigh * blow; | |
1104 | if (!(product_middle & topmask)) { | |
1105 | /* OK, (ahigh * blow) won't lose bits when we shift it. */ | |
1106 | UV product_low; | |
1107 | product_middle <<= (4 * sizeof (UV)); | |
1108 | product_low = alow * blow; | |
1109 | ||
1110 | /* as for pp_add, UV + something mustn't get smaller. | |
1111 | IIRC ANSI mandates this wrapping *behaviour* for | |
1112 | unsigned whatever the actual representation*/ | |
1113 | product_low += product_middle; | |
1114 | if (product_low >= product_middle) { | |
1115 | /* didn't overflow */ | |
1116 | if (auvok == buvok) { | |
1117 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
1118 | SP--; | |
1119 | SETu( product_low ); | |
1120 | RETURN; | |
1121 | } else if (product_low <= (UV)IV_MIN) { | |
1122 | /* 2s complement assumption again */ | |
1123 | /* -ve result, which could overflow an IV */ | |
1124 | SP--; | |
25716404 | 1125 | SETi( -(IV)product_low ); |
28e5dec8 JH |
1126 | RETURN; |
1127 | } /* else drop to NVs below. */ | |
1128 | } | |
1129 | } /* product_middle too large */ | |
1130 | } /* ahigh && bhigh */ | |
1131 | } /* SvIOK(TOPm1s) */ | |
1132 | } /* SvIOK(TOPs) */ | |
1133 | #endif | |
a0d0e21e LW |
1134 | { |
1135 | dPOPTOPnnrl; | |
1136 | SETn( left * right ); | |
1137 | RETURN; | |
79072805 | 1138 | } |
a0d0e21e LW |
1139 | } |
1140 | ||
1141 | PP(pp_divide) | |
1142 | { | |
39644a26 | 1143 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
5479d192 | 1144 | /* Only try to do UV divide first |
68795e93 | 1145 | if ((SLOPPYDIVIDE is true) or |
5479d192 NC |
1146 | (PERL_PRESERVE_IVUV is true and one or both SV is a UV too large |
1147 | to preserve)) | |
1148 | The assumption is that it is better to use floating point divide | |
1149 | whenever possible, only doing integer divide first if we can't be sure. | |
1150 | If NV_PRESERVES_UV is true then we know at compile time that no UV | |
1151 | can be too large to preserve, so don't need to compile the code to | |
1152 | test the size of UVs. */ | |
1153 | ||
a0d0e21e | 1154 | #ifdef SLOPPYDIVIDE |
5479d192 NC |
1155 | # define PERL_TRY_UV_DIVIDE |
1156 | /* ensure that 20./5. == 4. */ | |
a0d0e21e | 1157 | #else |
5479d192 NC |
1158 | # ifdef PERL_PRESERVE_IVUV |
1159 | # ifndef NV_PRESERVES_UV | |
1160 | # define PERL_TRY_UV_DIVIDE | |
1161 | # endif | |
1162 | # endif | |
a0d0e21e | 1163 | #endif |
5479d192 NC |
1164 | |
1165 | #ifdef PERL_TRY_UV_DIVIDE | |
1166 | SvIV_please(TOPs); | |
1167 | if (SvIOK(TOPs)) { | |
1168 | SvIV_please(TOPm1s); | |
1169 | if (SvIOK(TOPm1s)) { | |
1170 | bool left_non_neg = SvUOK(TOPm1s); | |
1171 | bool right_non_neg = SvUOK(TOPs); | |
1172 | UV left; | |
1173 | UV right; | |
1174 | ||
1175 | if (right_non_neg) { | |
1176 | right = SvUVX(TOPs); | |
1177 | } | |
1178 | else { | |
1179 | IV biv = SvIVX(TOPs); | |
1180 | if (biv >= 0) { | |
1181 | right = biv; | |
1182 | right_non_neg = TRUE; /* effectively it's a UV now */ | |
1183 | } | |
1184 | else { | |
1185 | right = -biv; | |
1186 | } | |
1187 | } | |
1188 | /* historically undef()/0 gives a "Use of uninitialized value" | |
1189 | warning before dieing, hence this test goes here. | |
1190 | If it were immediately before the second SvIV_please, then | |
1191 | DIE() would be invoked before left was even inspected, so | |
1192 | no inpsection would give no warning. */ | |
1193 | if (right == 0) | |
1194 | DIE(aTHX_ "Illegal division by zero"); | |
1195 | ||
1196 | if (left_non_neg) { | |
1197 | left = SvUVX(TOPm1s); | |
1198 | } | |
1199 | else { | |
1200 | IV aiv = SvIVX(TOPm1s); | |
1201 | if (aiv >= 0) { | |
1202 | left = aiv; | |
1203 | left_non_neg = TRUE; /* effectively it's a UV now */ | |
1204 | } | |
1205 | else { | |
1206 | left = -aiv; | |
1207 | } | |
1208 | } | |
1209 | ||
1210 | if (left >= right | |
1211 | #ifdef SLOPPYDIVIDE | |
1212 | /* For sloppy divide we always attempt integer division. */ | |
1213 | #else | |
1214 | /* Otherwise we only attempt it if either or both operands | |
1215 | would not be preserved by an NV. If both fit in NVs | |
0c2ee62a NC |
1216 | we fall through to the NV divide code below. However, |
1217 | as left >= right to ensure integer result here, we know that | |
1218 | we can skip the test on the right operand - right big | |
1219 | enough not to be preserved can't get here unless left is | |
1220 | also too big. */ | |
1221 | ||
1222 | && (left > ((UV)1 << NV_PRESERVES_UV_BITS)) | |
5479d192 NC |
1223 | #endif |
1224 | ) { | |
1225 | /* Integer division can't overflow, but it can be imprecise. */ | |
1226 | UV result = left / right; | |
1227 | if (result * right == left) { | |
1228 | SP--; /* result is valid */ | |
1229 | if (left_non_neg == right_non_neg) { | |
1230 | /* signs identical, result is positive. */ | |
1231 | SETu( result ); | |
1232 | RETURN; | |
1233 | } | |
1234 | /* 2s complement assumption */ | |
1235 | if (result <= (UV)IV_MIN) | |
91f3b821 | 1236 | SETi( -(IV)result ); |
5479d192 NC |
1237 | else { |
1238 | /* It's exact but too negative for IV. */ | |
1239 | SETn( -(NV)result ); | |
1240 | } | |
1241 | RETURN; | |
1242 | } /* tried integer divide but it was not an integer result */ | |
32fdb065 | 1243 | } /* else (PERL_ABS(result) < 1.0) or (both UVs in range for NV) */ |
5479d192 NC |
1244 | } /* left wasn't SvIOK */ |
1245 | } /* right wasn't SvIOK */ | |
1246 | #endif /* PERL_TRY_UV_DIVIDE */ | |
1247 | { | |
1248 | dPOPPOPnnrl; | |
1249 | if (right == 0.0) | |
1250 | DIE(aTHX_ "Illegal division by zero"); | |
1251 | PUSHn( left / right ); | |
1252 | RETURN; | |
79072805 | 1253 | } |
a0d0e21e LW |
1254 | } |
1255 | ||
1256 | PP(pp_modulo) | |
1257 | { | |
39644a26 | 1258 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 1259 | { |
9c5ffd7c JH |
1260 | UV left = 0; |
1261 | UV right = 0; | |
dc656993 JH |
1262 | bool left_neg = FALSE; |
1263 | bool right_neg = FALSE; | |
e2c88acc NC |
1264 | bool use_double = FALSE; |
1265 | bool dright_valid = FALSE; | |
9c5ffd7c JH |
1266 | NV dright = 0.0; |
1267 | NV dleft = 0.0; | |
787eafbd | 1268 | |
e2c88acc NC |
1269 | SvIV_please(TOPs); |
1270 | if (SvIOK(TOPs)) { | |
1271 | right_neg = !SvUOK(TOPs); | |
1272 | if (!right_neg) { | |
1273 | right = SvUVX(POPs); | |
1274 | } else { | |
1275 | IV biv = SvIVX(POPs); | |
1276 | if (biv >= 0) { | |
1277 | right = biv; | |
1278 | right_neg = FALSE; /* effectively it's a UV now */ | |
1279 | } else { | |
1280 | right = -biv; | |
1281 | } | |
1282 | } | |
1283 | } | |
1284 | else { | |
787eafbd | 1285 | dright = POPn; |
787eafbd IZ |
1286 | right_neg = dright < 0; |
1287 | if (right_neg) | |
1288 | dright = -dright; | |
e2c88acc NC |
1289 | if (dright < UV_MAX_P1) { |
1290 | right = U_V(dright); | |
1291 | dright_valid = TRUE; /* In case we need to use double below. */ | |
1292 | } else { | |
1293 | use_double = TRUE; | |
1294 | } | |
787eafbd | 1295 | } |
a0d0e21e | 1296 | |
e2c88acc NC |
1297 | /* At this point use_double is only true if right is out of range for |
1298 | a UV. In range NV has been rounded down to nearest UV and | |
1299 | use_double false. */ | |
1300 | SvIV_please(TOPs); | |
1301 | if (!use_double && SvIOK(TOPs)) { | |
1302 | if (SvIOK(TOPs)) { | |
1303 | left_neg = !SvUOK(TOPs); | |
1304 | if (!left_neg) { | |
1305 | left = SvUVX(POPs); | |
1306 | } else { | |
1307 | IV aiv = SvIVX(POPs); | |
1308 | if (aiv >= 0) { | |
1309 | left = aiv; | |
1310 | left_neg = FALSE; /* effectively it's a UV now */ | |
1311 | } else { | |
1312 | left = -aiv; | |
1313 | } | |
1314 | } | |
1315 | } | |
1316 | } | |
787eafbd IZ |
1317 | else { |
1318 | dleft = POPn; | |
787eafbd IZ |
1319 | left_neg = dleft < 0; |
1320 | if (left_neg) | |
1321 | dleft = -dleft; | |
68dc0745 | 1322 | |
e2c88acc NC |
1323 | /* This should be exactly the 5.6 behaviour - if left and right are |
1324 | both in range for UV then use U_V() rather than floor. */ | |
1325 | if (!use_double) { | |
1326 | if (dleft < UV_MAX_P1) { | |
1327 | /* right was in range, so is dleft, so use UVs not double. | |
1328 | */ | |
1329 | left = U_V(dleft); | |
1330 | } | |
1331 | /* left is out of range for UV, right was in range, so promote | |
1332 | right (back) to double. */ | |
1333 | else { | |
1334 | /* The +0.5 is used in 5.6 even though it is not strictly | |
1335 | consistent with the implicit +0 floor in the U_V() | |
1336 | inside the #if 1. */ | |
1337 | dleft = Perl_floor(dleft + 0.5); | |
1338 | use_double = TRUE; | |
1339 | if (dright_valid) | |
1340 | dright = Perl_floor(dright + 0.5); | |
1341 | else | |
1342 | dright = right; | |
1343 | } | |
1344 | } | |
1345 | } | |
787eafbd | 1346 | if (use_double) { |
65202027 | 1347 | NV dans; |
787eafbd | 1348 | |
787eafbd | 1349 | if (!dright) |
cea2e8a9 | 1350 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd | 1351 | |
65202027 | 1352 | dans = Perl_fmod(dleft, dright); |
787eafbd IZ |
1353 | if ((left_neg != right_neg) && dans) |
1354 | dans = dright - dans; | |
1355 | if (right_neg) | |
1356 | dans = -dans; | |
1357 | sv_setnv(TARG, dans); | |
1358 | } | |
1359 | else { | |
1360 | UV ans; | |
1361 | ||
787eafbd | 1362 | if (!right) |
cea2e8a9 | 1363 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1364 | |
1365 | ans = left % right; | |
1366 | if ((left_neg != right_neg) && ans) | |
1367 | ans = right - ans; | |
1368 | if (right_neg) { | |
1369 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1370 | /* could change -foo to be (~foo)+1 instead */ | |
1371 | if (ans <= ~((UV)IV_MAX)+1) | |
1372 | sv_setiv(TARG, ~ans+1); | |
1373 | else | |
65202027 | 1374 | sv_setnv(TARG, -(NV)ans); |
787eafbd IZ |
1375 | } |
1376 | else | |
1377 | sv_setuv(TARG, ans); | |
1378 | } | |
1379 | PUSHTARG; | |
1380 | RETURN; | |
79072805 | 1381 | } |
a0d0e21e | 1382 | } |
79072805 | 1383 | |
a0d0e21e LW |
1384 | PP(pp_repeat) |
1385 | { | |
39644a26 | 1386 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1387 | { |
467f0320 | 1388 | register IV count = POPi; |
3b8c0df9 | 1389 | if (count < 0) |
58a9d1fc | 1390 | count = 0; |
533c011a | 1391 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
1392 | dMARK; |
1393 | I32 items = SP - MARK; | |
1394 | I32 max; | |
27d5b266 | 1395 | static const char list_extend[] = "panic: list extend"; |
79072805 | 1396 | |
a0d0e21e | 1397 | max = items * count; |
27d5b266 JH |
1398 | MEM_WRAP_CHECK_1(max, SV*, list_extend); |
1399 | if (items > 0 && max > 0 && (max < items || max < count)) | |
1400 | Perl_croak(aTHX_ list_extend); | |
a0d0e21e LW |
1401 | MEXTEND(MARK, max); |
1402 | if (count > 1) { | |
1403 | while (SP > MARK) { | |
976c8a39 JH |
1404 | #if 0 |
1405 | /* This code was intended to fix 20010809.028: | |
1406 | ||
1407 | $x = 'abcd'; | |
1408 | for (($x =~ /./g) x 2) { | |
1409 | print chop; # "abcdabcd" expected as output. | |
1410 | } | |
1411 | ||
1412 | * but that change (#11635) broke this code: | |
1413 | ||
1414 | $x = [("foo")x2]; # only one "foo" ended up in the anonlist. | |
1415 | ||
1416 | * I can't think of a better fix that doesn't introduce | |
1417 | * an efficiency hit by copying the SVs. The stack isn't | |
1418 | * refcounted, and mortalisation obviously doesn't | |
1419 | * Do The Right Thing when the stack has more than | |
1420 | * one pointer to the same mortal value. | |
1421 | * .robin. | |
1422 | */ | |
e30acc16 RH |
1423 | if (*SP) { |
1424 | *SP = sv_2mortal(newSVsv(*SP)); | |
1425 | SvREADONLY_on(*SP); | |
1426 | } | |
976c8a39 JH |
1427 | #else |
1428 | if (*SP) | |
1429 | SvTEMP_off((*SP)); | |
1430 | #endif | |
a0d0e21e | 1431 | SP--; |
79072805 | 1432 | } |
a0d0e21e LW |
1433 | MARK++; |
1434 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1435 | items * sizeof(SV*), count - 1); | |
1436 | SP += max; | |
79072805 | 1437 | } |
a0d0e21e LW |
1438 | else if (count <= 0) |
1439 | SP -= items; | |
79072805 | 1440 | } |
a0d0e21e | 1441 | else { /* Note: mark already snarfed by pp_list */ |
dfcb284a | 1442 | SV *tmpstr = POPs; |
a0d0e21e | 1443 | STRLEN len; |
9b877dbb | 1444 | bool isutf; |
a0d0e21e | 1445 | |
a0d0e21e LW |
1446 | SvSetSV(TARG, tmpstr); |
1447 | SvPV_force(TARG, len); | |
9b877dbb | 1448 | isutf = DO_UTF8(TARG); |
8ebc5c01 | 1449 | if (count != 1) { |
1450 | if (count < 1) | |
1451 | SvCUR_set(TARG, 0); | |
1452 | else { | |
27d5b266 | 1453 | MEM_WRAP_CHECK_1(count, len, "panic: string extend"); |
8ebc5c01 | 1454 | SvGROW(TARG, (count * len) + 1); |
a0d0e21e | 1455 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1456 | SvCUR(TARG) *= count; |
7a4c00b4 | 1457 | } |
a0d0e21e | 1458 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1459 | } |
dfcb284a GS |
1460 | if (isutf) |
1461 | (void)SvPOK_only_UTF8(TARG); | |
1462 | else | |
1463 | (void)SvPOK_only(TARG); | |
b80b6069 RH |
1464 | |
1465 | if (PL_op->op_private & OPpREPEAT_DOLIST) { | |
1466 | /* The parser saw this as a list repeat, and there | |
1467 | are probably several items on the stack. But we're | |
1468 | in scalar context, and there's no pp_list to save us | |
1469 | now. So drop the rest of the items -- robin@kitsite.com | |
1470 | */ | |
1471 | dMARK; | |
1472 | SP = MARK; | |
1473 | } | |
a0d0e21e | 1474 | PUSHTARG; |
79072805 | 1475 | } |
a0d0e21e | 1476 | RETURN; |
748a9306 | 1477 | } |
a0d0e21e | 1478 | } |
79072805 | 1479 | |
a0d0e21e LW |
1480 | PP(pp_subtract) |
1481 | { | |
39644a26 | 1482 | dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
28e5dec8 JH |
1483 | useleft = USE_LEFT(TOPm1s); |
1484 | #ifdef PERL_PRESERVE_IVUV | |
7dca457a NC |
1485 | /* See comments in pp_add (in pp_hot.c) about Overflow, and how |
1486 | "bad things" happen if you rely on signed integers wrapping. */ | |
28e5dec8 JH |
1487 | SvIV_please(TOPs); |
1488 | if (SvIOK(TOPs)) { | |
1489 | /* Unless the left argument is integer in range we are going to have to | |
1490 | use NV maths. Hence only attempt to coerce the right argument if | |
1491 | we know the left is integer. */ | |
9c5ffd7c JH |
1492 | register UV auv = 0; |
1493 | bool auvok = FALSE; | |
7dca457a NC |
1494 | bool a_valid = 0; |
1495 | ||
28e5dec8 | 1496 | if (!useleft) { |
7dca457a NC |
1497 | auv = 0; |
1498 | a_valid = auvok = 1; | |
1499 | /* left operand is undef, treat as zero. */ | |
28e5dec8 JH |
1500 | } else { |
1501 | /* Left operand is defined, so is it IV? */ | |
1502 | SvIV_please(TOPm1s); | |
1503 | if (SvIOK(TOPm1s)) { | |
7dca457a NC |
1504 | if ((auvok = SvUOK(TOPm1s))) |
1505 | auv = SvUVX(TOPm1s); | |
1506 | else { | |
1507 | register IV aiv = SvIVX(TOPm1s); | |
1508 | if (aiv >= 0) { | |
1509 | auv = aiv; | |
1510 | auvok = 1; /* Now acting as a sign flag. */ | |
1511 | } else { /* 2s complement assumption for IV_MIN */ | |
1512 | auv = (UV)-aiv; | |
28e5dec8 | 1513 | } |
7dca457a NC |
1514 | } |
1515 | a_valid = 1; | |
1516 | } | |
1517 | } | |
1518 | if (a_valid) { | |
1519 | bool result_good = 0; | |
1520 | UV result; | |
1521 | register UV buv; | |
1522 | bool buvok = SvUOK(TOPs); | |
9041c2e3 | 1523 | |
7dca457a NC |
1524 | if (buvok) |
1525 | buv = SvUVX(TOPs); | |
1526 | else { | |
1527 | register IV biv = SvIVX(TOPs); | |
1528 | if (biv >= 0) { | |
1529 | buv = biv; | |
1530 | buvok = 1; | |
1531 | } else | |
1532 | buv = (UV)-biv; | |
1533 | } | |
1534 | /* ?uvok if value is >= 0. basically, flagged as UV if it's +ve, | |
602f51c4 | 1535 | else "IV" now, independent of how it came in. |
7dca457a NC |
1536 | if a, b represents positive, A, B negative, a maps to -A etc |
1537 | a - b => (a - b) | |
1538 | A - b => -(a + b) | |
1539 | a - B => (a + b) | |
1540 | A - B => -(a - b) | |
1541 | all UV maths. negate result if A negative. | |
1542 | subtract if signs same, add if signs differ. */ | |
1543 | ||
1544 | if (auvok ^ buvok) { | |
1545 | /* Signs differ. */ | |
1546 | result = auv + buv; | |
1547 | if (result >= auv) | |
1548 | result_good = 1; | |
1549 | } else { | |
1550 | /* Signs same */ | |
1551 | if (auv >= buv) { | |
1552 | result = auv - buv; | |
1553 | /* Must get smaller */ | |
1554 | if (result <= auv) | |
1555 | result_good = 1; | |
1556 | } else { | |
1557 | result = buv - auv; | |
1558 | if (result <= buv) { | |
1559 | /* result really should be -(auv-buv). as its negation | |
1560 | of true value, need to swap our result flag */ | |
1561 | auvok = !auvok; | |
1562 | result_good = 1; | |
28e5dec8 | 1563 | } |
28e5dec8 JH |
1564 | } |
1565 | } | |
7dca457a NC |
1566 | if (result_good) { |
1567 | SP--; | |
1568 | if (auvok) | |
1569 | SETu( result ); | |
1570 | else { | |
1571 | /* Negate result */ | |
1572 | if (result <= (UV)IV_MIN) | |
1573 | SETi( -(IV)result ); | |
1574 | else { | |
1575 | /* result valid, but out of range for IV. */ | |
1576 | SETn( -(NV)result ); | |
1577 | } | |
1578 | } | |
1579 | RETURN; | |
1580 | } /* Overflow, drop through to NVs. */ | |
28e5dec8 JH |
1581 | } |
1582 | } | |
1583 | #endif | |
7dca457a | 1584 | useleft = USE_LEFT(TOPm1s); |
a0d0e21e | 1585 | { |
28e5dec8 JH |
1586 | dPOPnv; |
1587 | if (!useleft) { | |
1588 | /* left operand is undef, treat as zero - value */ | |
1589 | SETn(-value); | |
1590 | RETURN; | |
1591 | } | |
1592 | SETn( TOPn - value ); | |
1593 | RETURN; | |
79072805 | 1594 | } |
a0d0e21e | 1595 | } |
79072805 | 1596 | |
a0d0e21e LW |
1597 | PP(pp_left_shift) |
1598 | { | |
39644a26 | 1599 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1600 | { |
972b05a9 | 1601 | IV shift = POPi; |
d0ba1bd2 | 1602 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1603 | IV i = TOPi; |
1604 | SETi(i << shift); | |
d0ba1bd2 JH |
1605 | } |
1606 | else { | |
972b05a9 JH |
1607 | UV u = TOPu; |
1608 | SETu(u << shift); | |
d0ba1bd2 | 1609 | } |
55497cff | 1610 | RETURN; |
79072805 | 1611 | } |
a0d0e21e | 1612 | } |
79072805 | 1613 | |
a0d0e21e LW |
1614 | PP(pp_right_shift) |
1615 | { | |
39644a26 | 1616 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1617 | { |
972b05a9 | 1618 | IV shift = POPi; |
d0ba1bd2 | 1619 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1620 | IV i = TOPi; |
1621 | SETi(i >> shift); | |
d0ba1bd2 JH |
1622 | } |
1623 | else { | |
972b05a9 JH |
1624 | UV u = TOPu; |
1625 | SETu(u >> shift); | |
d0ba1bd2 | 1626 | } |
a0d0e21e | 1627 | RETURN; |
93a17b20 | 1628 | } |
79072805 LW |
1629 | } |
1630 | ||
a0d0e21e | 1631 | PP(pp_lt) |
79072805 | 1632 | { |
39644a26 | 1633 | dSP; tryAMAGICbinSET(lt,0); |
28e5dec8 JH |
1634 | #ifdef PERL_PRESERVE_IVUV |
1635 | SvIV_please(TOPs); | |
1636 | if (SvIOK(TOPs)) { | |
1637 | SvIV_please(TOPm1s); | |
1638 | if (SvIOK(TOPm1s)) { | |
1639 | bool auvok = SvUOK(TOPm1s); | |
1640 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1641 | |
28e5dec8 JH |
1642 | if (!auvok && !buvok) { /* ## IV < IV ## */ |
1643 | IV aiv = SvIVX(TOPm1s); | |
1644 | IV biv = SvIVX(TOPs); | |
1645 | ||
1646 | SP--; | |
1647 | SETs(boolSV(aiv < biv)); | |
1648 | RETURN; | |
1649 | } | |
1650 | if (auvok && buvok) { /* ## UV < UV ## */ | |
1651 | UV auv = SvUVX(TOPm1s); | |
1652 | UV buv = SvUVX(TOPs); | |
1653 | ||
1654 | SP--; | |
1655 | SETs(boolSV(auv < buv)); | |
1656 | RETURN; | |
1657 | } | |
1658 | if (auvok) { /* ## UV < IV ## */ | |
1659 | UV auv; | |
1660 | IV biv; | |
1661 | ||
1662 | biv = SvIVX(TOPs); | |
1663 | SP--; | |
1664 | if (biv < 0) { | |
1665 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1666 | SETs(&PL_sv_no); | |
1667 | RETURN; | |
1668 | } | |
1669 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1670 | SETs(boolSV(auv < (UV)biv)); |
1671 | RETURN; | |
1672 | } | |
1673 | { /* ## IV < UV ## */ | |
1674 | IV aiv; | |
1675 | UV buv; | |
1676 | ||
1677 | aiv = SvIVX(TOPm1s); | |
1678 | if (aiv < 0) { | |
1679 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1680 | SP--; | |
1681 | SETs(&PL_sv_yes); | |
1682 | RETURN; | |
1683 | } | |
1684 | buv = SvUVX(TOPs); | |
1685 | SP--; | |
28e5dec8 JH |
1686 | SETs(boolSV((UV)aiv < buv)); |
1687 | RETURN; | |
1688 | } | |
1689 | } | |
1690 | } | |
1691 | #endif | |
30de85b6 | 1692 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1693 | #ifdef PERL_PRESERVE_IVUV |
1694 | else | |
1695 | #endif | |
1696 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
1697 | SP--; | |
1698 | SETs(boolSV(SvRV(TOPs) < SvRV(TOPp1s))); | |
1699 | RETURN; | |
1700 | } | |
30de85b6 | 1701 | #endif |
a0d0e21e LW |
1702 | { |
1703 | dPOPnv; | |
54310121 | 1704 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1705 | RETURN; |
79072805 | 1706 | } |
a0d0e21e | 1707 | } |
79072805 | 1708 | |
a0d0e21e LW |
1709 | PP(pp_gt) |
1710 | { | |
39644a26 | 1711 | dSP; tryAMAGICbinSET(gt,0); |
28e5dec8 JH |
1712 | #ifdef PERL_PRESERVE_IVUV |
1713 | SvIV_please(TOPs); | |
1714 | if (SvIOK(TOPs)) { | |
1715 | SvIV_please(TOPm1s); | |
1716 | if (SvIOK(TOPm1s)) { | |
1717 | bool auvok = SvUOK(TOPm1s); | |
1718 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1719 | |
28e5dec8 JH |
1720 | if (!auvok && !buvok) { /* ## IV > IV ## */ |
1721 | IV aiv = SvIVX(TOPm1s); | |
1722 | IV biv = SvIVX(TOPs); | |
1723 | ||
1724 | SP--; | |
1725 | SETs(boolSV(aiv > biv)); | |
1726 | RETURN; | |
1727 | } | |
1728 | if (auvok && buvok) { /* ## UV > UV ## */ | |
1729 | UV auv = SvUVX(TOPm1s); | |
1730 | UV buv = SvUVX(TOPs); | |
1731 | ||
1732 | SP--; | |
1733 | SETs(boolSV(auv > buv)); | |
1734 | RETURN; | |
1735 | } | |
1736 | if (auvok) { /* ## UV > IV ## */ | |
1737 | UV auv; | |
1738 | IV biv; | |
1739 | ||
1740 | biv = SvIVX(TOPs); | |
1741 | SP--; | |
1742 | if (biv < 0) { | |
1743 | /* As (a) is a UV, it's >=0, so it must be > */ | |
1744 | SETs(&PL_sv_yes); | |
1745 | RETURN; | |
1746 | } | |
1747 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1748 | SETs(boolSV(auv > (UV)biv)); |
1749 | RETURN; | |
1750 | } | |
1751 | { /* ## IV > UV ## */ | |
1752 | IV aiv; | |
1753 | UV buv; | |
1754 | ||
1755 | aiv = SvIVX(TOPm1s); | |
1756 | if (aiv < 0) { | |
1757 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
1758 | SP--; | |
1759 | SETs(&PL_sv_no); | |
1760 | RETURN; | |
1761 | } | |
1762 | buv = SvUVX(TOPs); | |
1763 | SP--; | |
28e5dec8 JH |
1764 | SETs(boolSV((UV)aiv > buv)); |
1765 | RETURN; | |
1766 | } | |
1767 | } | |
1768 | } | |
1769 | #endif | |
30de85b6 | 1770 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1771 | #ifdef PERL_PRESERVE_IVUV |
1772 | else | |
1773 | #endif | |
1774 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
30de85b6 NC |
1775 | SP--; |
1776 | SETs(boolSV(SvRV(TOPs) > SvRV(TOPp1s))); | |
1777 | RETURN; | |
1778 | } | |
1779 | #endif | |
a0d0e21e LW |
1780 | { |
1781 | dPOPnv; | |
54310121 | 1782 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1783 | RETURN; |
79072805 | 1784 | } |
a0d0e21e LW |
1785 | } |
1786 | ||
1787 | PP(pp_le) | |
1788 | { | |
39644a26 | 1789 | dSP; tryAMAGICbinSET(le,0); |
28e5dec8 JH |
1790 | #ifdef PERL_PRESERVE_IVUV |
1791 | SvIV_please(TOPs); | |
1792 | if (SvIOK(TOPs)) { | |
1793 | SvIV_please(TOPm1s); | |
1794 | if (SvIOK(TOPm1s)) { | |
1795 | bool auvok = SvUOK(TOPm1s); | |
1796 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1797 | |
28e5dec8 JH |
1798 | if (!auvok && !buvok) { /* ## IV <= IV ## */ |
1799 | IV aiv = SvIVX(TOPm1s); | |
1800 | IV biv = SvIVX(TOPs); | |
1801 | ||
1802 | SP--; | |
1803 | SETs(boolSV(aiv <= biv)); | |
1804 | RETURN; | |
1805 | } | |
1806 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
1807 | UV auv = SvUVX(TOPm1s); | |
1808 | UV buv = SvUVX(TOPs); | |
1809 | ||
1810 | SP--; | |
1811 | SETs(boolSV(auv <= buv)); | |
1812 | RETURN; | |
1813 | } | |
1814 | if (auvok) { /* ## UV <= IV ## */ | |
1815 | UV auv; | |
1816 | IV biv; | |
1817 | ||
1818 | biv = SvIVX(TOPs); | |
1819 | SP--; | |
1820 | if (biv < 0) { | |
1821 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
1822 | SETs(&PL_sv_no); | |
1823 | RETURN; | |
1824 | } | |
1825 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1826 | SETs(boolSV(auv <= (UV)biv)); |
1827 | RETURN; | |
1828 | } | |
1829 | { /* ## IV <= UV ## */ | |
1830 | IV aiv; | |
1831 | UV buv; | |
1832 | ||
1833 | aiv = SvIVX(TOPm1s); | |
1834 | if (aiv < 0) { | |
1835 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
1836 | SP--; | |
1837 | SETs(&PL_sv_yes); | |
1838 | RETURN; | |
1839 | } | |
1840 | buv = SvUVX(TOPs); | |
1841 | SP--; | |
28e5dec8 JH |
1842 | SETs(boolSV((UV)aiv <= buv)); |
1843 | RETURN; | |
1844 | } | |
1845 | } | |
1846 | } | |
1847 | #endif | |
30de85b6 | 1848 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1849 | #ifdef PERL_PRESERVE_IVUV |
1850 | else | |
1851 | #endif | |
1852 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
30de85b6 NC |
1853 | SP--; |
1854 | SETs(boolSV(SvRV(TOPs) <= SvRV(TOPp1s))); | |
1855 | RETURN; | |
1856 | } | |
1857 | #endif | |
a0d0e21e LW |
1858 | { |
1859 | dPOPnv; | |
54310121 | 1860 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1861 | RETURN; |
79072805 | 1862 | } |
a0d0e21e LW |
1863 | } |
1864 | ||
1865 | PP(pp_ge) | |
1866 | { | |
39644a26 | 1867 | dSP; tryAMAGICbinSET(ge,0); |
28e5dec8 JH |
1868 | #ifdef PERL_PRESERVE_IVUV |
1869 | SvIV_please(TOPs); | |
1870 | if (SvIOK(TOPs)) { | |
1871 | SvIV_please(TOPm1s); | |
1872 | if (SvIOK(TOPm1s)) { | |
1873 | bool auvok = SvUOK(TOPm1s); | |
1874 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1875 | |
28e5dec8 JH |
1876 | if (!auvok && !buvok) { /* ## IV >= IV ## */ |
1877 | IV aiv = SvIVX(TOPm1s); | |
1878 | IV biv = SvIVX(TOPs); | |
1879 | ||
1880 | SP--; | |
1881 | SETs(boolSV(aiv >= biv)); | |
1882 | RETURN; | |
1883 | } | |
1884 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
1885 | UV auv = SvUVX(TOPm1s); | |
1886 | UV buv = SvUVX(TOPs); | |
1887 | ||
1888 | SP--; | |
1889 | SETs(boolSV(auv >= buv)); | |
1890 | RETURN; | |
1891 | } | |
1892 | if (auvok) { /* ## UV >= IV ## */ | |
1893 | UV auv; | |
1894 | IV biv; | |
1895 | ||
1896 | biv = SvIVX(TOPs); | |
1897 | SP--; | |
1898 | if (biv < 0) { | |
1899 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
1900 | SETs(&PL_sv_yes); | |
1901 | RETURN; | |
1902 | } | |
1903 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1904 | SETs(boolSV(auv >= (UV)biv)); |
1905 | RETURN; | |
1906 | } | |
1907 | { /* ## IV >= UV ## */ | |
1908 | IV aiv; | |
1909 | UV buv; | |
1910 | ||
1911 | aiv = SvIVX(TOPm1s); | |
1912 | if (aiv < 0) { | |
1913 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
1914 | SP--; | |
1915 | SETs(&PL_sv_no); | |
1916 | RETURN; | |
1917 | } | |
1918 | buv = SvUVX(TOPs); | |
1919 | SP--; | |
28e5dec8 JH |
1920 | SETs(boolSV((UV)aiv >= buv)); |
1921 | RETURN; | |
1922 | } | |
1923 | } | |
1924 | } | |
1925 | #endif | |
30de85b6 | 1926 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1927 | #ifdef PERL_PRESERVE_IVUV |
1928 | else | |
1929 | #endif | |
1930 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
30de85b6 NC |
1931 | SP--; |
1932 | SETs(boolSV(SvRV(TOPs) >= SvRV(TOPp1s))); | |
1933 | RETURN; | |
1934 | } | |
1935 | #endif | |
a0d0e21e LW |
1936 | { |
1937 | dPOPnv; | |
54310121 | 1938 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1939 | RETURN; |
79072805 | 1940 | } |
a0d0e21e | 1941 | } |
79072805 | 1942 | |
a0d0e21e LW |
1943 | PP(pp_ne) |
1944 | { | |
16303949 | 1945 | dSP; tryAMAGICbinSET(ne,0); |
3bb2c415 JH |
1946 | #ifndef NV_PRESERVES_UV |
1947 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
e61d22ef NC |
1948 | SP--; |
1949 | SETs(boolSV(SvRV(TOPs) != SvRV(TOPp1s))); | |
3bb2c415 JH |
1950 | RETURN; |
1951 | } | |
1952 | #endif | |
28e5dec8 JH |
1953 | #ifdef PERL_PRESERVE_IVUV |
1954 | SvIV_please(TOPs); | |
1955 | if (SvIOK(TOPs)) { | |
1956 | SvIV_please(TOPm1s); | |
1957 | if (SvIOK(TOPm1s)) { | |
1958 | bool auvok = SvUOK(TOPm1s); | |
1959 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1960 | |
30de85b6 NC |
1961 | if (auvok == buvok) { /* ## IV == IV or UV == UV ## */ |
1962 | /* Casting IV to UV before comparison isn't going to matter | |
1963 | on 2s complement. On 1s complement or sign&magnitude | |
1964 | (if we have any of them) it could make negative zero | |
1965 | differ from normal zero. As I understand it. (Need to | |
1966 | check - is negative zero implementation defined behaviour | |
1967 | anyway?). NWC */ | |
1968 | UV buv = SvUVX(POPs); | |
1969 | UV auv = SvUVX(TOPs); | |
28e5dec8 | 1970 | |
28e5dec8 JH |
1971 | SETs(boolSV(auv != buv)); |
1972 | RETURN; | |
1973 | } | |
1974 | { /* ## Mixed IV,UV ## */ | |
1975 | IV iv; | |
1976 | UV uv; | |
1977 | ||
1978 | /* != is commutative so swap if needed (save code) */ | |
1979 | if (auvok) { | |
1980 | /* swap. top of stack (b) is the iv */ | |
1981 | iv = SvIVX(TOPs); | |
1982 | SP--; | |
1983 | if (iv < 0) { | |
1984 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
1985 | SETs(&PL_sv_yes); | |
1986 | RETURN; | |
1987 | } | |
1988 | uv = SvUVX(TOPs); | |
1989 | } else { | |
1990 | iv = SvIVX(TOPm1s); | |
1991 | SP--; | |
1992 | if (iv < 0) { | |
1993 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
1994 | SETs(&PL_sv_yes); | |
1995 | RETURN; | |
1996 | } | |
1997 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
1998 | } | |
28e5dec8 JH |
1999 | SETs(boolSV((UV)iv != uv)); |
2000 | RETURN; | |
2001 | } | |
2002 | } | |
2003 | } | |
2004 | #endif | |
a0d0e21e LW |
2005 | { |
2006 | dPOPnv; | |
54310121 | 2007 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
2008 | RETURN; |
2009 | } | |
79072805 LW |
2010 | } |
2011 | ||
a0d0e21e | 2012 | PP(pp_ncmp) |
79072805 | 2013 | { |
39644a26 | 2014 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
d8c7644e JH |
2015 | #ifndef NV_PRESERVES_UV |
2016 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
e61d22ef NC |
2017 | UV right = PTR2UV(SvRV(POPs)); |
2018 | UV left = PTR2UV(SvRV(TOPs)); | |
2019 | SETi((left > right) - (left < right)); | |
d8c7644e JH |
2020 | RETURN; |
2021 | } | |
2022 | #endif | |
28e5dec8 JH |
2023 | #ifdef PERL_PRESERVE_IVUV |
2024 | /* Fortunately it seems NaN isn't IOK */ | |
2025 | SvIV_please(TOPs); | |
2026 | if (SvIOK(TOPs)) { | |
2027 | SvIV_please(TOPm1s); | |
2028 | if (SvIOK(TOPm1s)) { | |
2029 | bool leftuvok = SvUOK(TOPm1s); | |
2030 | bool rightuvok = SvUOK(TOPs); | |
2031 | I32 value; | |
2032 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
2033 | IV leftiv = SvIVX(TOPm1s); | |
2034 | IV rightiv = SvIVX(TOPs); | |
2035 | ||
2036 | if (leftiv > rightiv) | |
2037 | value = 1; | |
2038 | else if (leftiv < rightiv) | |
2039 | value = -1; | |
2040 | else | |
2041 | value = 0; | |
2042 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
2043 | UV leftuv = SvUVX(TOPm1s); | |
2044 | UV rightuv = SvUVX(TOPs); | |
2045 | ||
2046 | if (leftuv > rightuv) | |
2047 | value = 1; | |
2048 | else if (leftuv < rightuv) | |
2049 | value = -1; | |
2050 | else | |
2051 | value = 0; | |
2052 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
2053 | UV leftuv; | |
2054 | IV rightiv; | |
2055 | ||
2056 | rightiv = SvIVX(TOPs); | |
2057 | if (rightiv < 0) { | |
2058 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
2059 | value = 1; | |
2060 | } else { | |
2061 | leftuv = SvUVX(TOPm1s); | |
83bac5dd | 2062 | if (leftuv > (UV)rightiv) { |
28e5dec8 JH |
2063 | value = 1; |
2064 | } else if (leftuv < (UV)rightiv) { | |
2065 | value = -1; | |
2066 | } else { | |
2067 | value = 0; | |
2068 | } | |
2069 | } | |
2070 | } else { /* ## IV <=> UV ## */ | |
2071 | IV leftiv; | |
2072 | UV rightuv; | |
2073 | ||
2074 | leftiv = SvIVX(TOPm1s); | |
2075 | if (leftiv < 0) { | |
2076 | /* As (b) is a UV, it's >=0, so it must be < */ | |
2077 | value = -1; | |
2078 | } else { | |
2079 | rightuv = SvUVX(TOPs); | |
83bac5dd | 2080 | if ((UV)leftiv > rightuv) { |
28e5dec8 | 2081 | value = 1; |
83bac5dd | 2082 | } else if ((UV)leftiv < rightuv) { |
28e5dec8 JH |
2083 | value = -1; |
2084 | } else { | |
2085 | value = 0; | |
2086 | } | |
2087 | } | |
2088 | } | |
2089 | SP--; | |
2090 | SETi(value); | |
2091 | RETURN; | |
2092 | } | |
2093 | } | |
2094 | #endif | |
a0d0e21e LW |
2095 | { |
2096 | dPOPTOPnnrl; | |
2097 | I32 value; | |
79072805 | 2098 | |
a3540c92 | 2099 | #ifdef Perl_isnan |
1ad04cfd JH |
2100 | if (Perl_isnan(left) || Perl_isnan(right)) { |
2101 | SETs(&PL_sv_undef); | |
2102 | RETURN; | |
2103 | } | |
2104 | value = (left > right) - (left < right); | |
2105 | #else | |
ff0cee69 | 2106 | if (left == right) |
a0d0e21e | 2107 | value = 0; |
a0d0e21e LW |
2108 | else if (left < right) |
2109 | value = -1; | |
44a8e56a | 2110 | else if (left > right) |
2111 | value = 1; | |
2112 | else { | |
3280af22 | 2113 | SETs(&PL_sv_undef); |
44a8e56a | 2114 | RETURN; |
2115 | } | |
1ad04cfd | 2116 | #endif |
a0d0e21e LW |
2117 | SETi(value); |
2118 | RETURN; | |
79072805 | 2119 | } |
a0d0e21e | 2120 | } |
79072805 | 2121 | |
a0d0e21e LW |
2122 | PP(pp_slt) |
2123 | { | |
39644a26 | 2124 | dSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
2125 | { |
2126 | dPOPTOPssrl; | |
2de3dbcc | 2127 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2128 | ? sv_cmp_locale(left, right) |
2129 | : sv_cmp(left, right)); | |
54310121 | 2130 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
2131 | RETURN; |
2132 | } | |
79072805 LW |
2133 | } |
2134 | ||
a0d0e21e | 2135 | PP(pp_sgt) |
79072805 | 2136 | { |
39644a26 | 2137 | dSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
2138 | { |
2139 | dPOPTOPssrl; | |
2de3dbcc | 2140 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2141 | ? sv_cmp_locale(left, right) |
2142 | : sv_cmp(left, right)); | |
54310121 | 2143 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
2144 | RETURN; |
2145 | } | |
2146 | } | |
79072805 | 2147 | |
a0d0e21e LW |
2148 | PP(pp_sle) |
2149 | { | |
39644a26 | 2150 | dSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
2151 | { |
2152 | dPOPTOPssrl; | |
2de3dbcc | 2153 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2154 | ? sv_cmp_locale(left, right) |
2155 | : sv_cmp(left, right)); | |
54310121 | 2156 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 2157 | RETURN; |
79072805 | 2158 | } |
79072805 LW |
2159 | } |
2160 | ||
a0d0e21e LW |
2161 | PP(pp_sge) |
2162 | { | |
39644a26 | 2163 | dSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
2164 | { |
2165 | dPOPTOPssrl; | |
2de3dbcc | 2166 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2167 | ? sv_cmp_locale(left, right) |
2168 | : sv_cmp(left, right)); | |
54310121 | 2169 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
2170 | RETURN; |
2171 | } | |
2172 | } | |
79072805 | 2173 | |
36477c24 | 2174 | PP(pp_seq) |
2175 | { | |
39644a26 | 2176 | dSP; tryAMAGICbinSET(seq,0); |
36477c24 | 2177 | { |
2178 | dPOPTOPssrl; | |
54310121 | 2179 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
2180 | RETURN; |
2181 | } | |
2182 | } | |
79072805 | 2183 | |
a0d0e21e | 2184 | PP(pp_sne) |
79072805 | 2185 | { |
39644a26 | 2186 | dSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
2187 | { |
2188 | dPOPTOPssrl; | |
54310121 | 2189 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 2190 | RETURN; |
463ee0b2 | 2191 | } |
79072805 LW |
2192 | } |
2193 | ||
a0d0e21e | 2194 | PP(pp_scmp) |
79072805 | 2195 | { |
39644a26 | 2196 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
2197 | { |
2198 | dPOPTOPssrl; | |
2de3dbcc | 2199 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2200 | ? sv_cmp_locale(left, right) |
2201 | : sv_cmp(left, right)); | |
2202 | SETi( cmp ); | |
a0d0e21e LW |
2203 | RETURN; |
2204 | } | |
2205 | } | |
79072805 | 2206 | |
55497cff | 2207 | PP(pp_bit_and) |
2208 | { | |
39644a26 | 2209 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
2210 | { |
2211 | dPOPTOPssrl; | |
028c96eb RGS |
2212 | if (SvGMAGICAL(left)) mg_get(left); |
2213 | if (SvGMAGICAL(right)) mg_get(right); | |
4633a7c4 | 2214 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2215 | if (PL_op->op_private & HINT_INTEGER) { |
891f9566 | 2216 | IV i = SvIV_nomg(left) & SvIV_nomg(right); |
972b05a9 | 2217 | SETi(i); |
d0ba1bd2 JH |
2218 | } |
2219 | else { | |
891f9566 | 2220 | UV u = SvUV_nomg(left) & SvUV_nomg(right); |
972b05a9 | 2221 | SETu(u); |
d0ba1bd2 | 2222 | } |
a0d0e21e LW |
2223 | } |
2224 | else { | |
533c011a | 2225 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2226 | SETTARG; |
2227 | } | |
2228 | RETURN; | |
2229 | } | |
2230 | } | |
79072805 | 2231 | |
a0d0e21e LW |
2232 | PP(pp_bit_xor) |
2233 | { | |
39644a26 | 2234 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
2235 | { |
2236 | dPOPTOPssrl; | |
028c96eb RGS |
2237 | if (SvGMAGICAL(left)) mg_get(left); |
2238 | if (SvGMAGICAL(right)) mg_get(right); | |
4633a7c4 | 2239 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2240 | if (PL_op->op_private & HINT_INTEGER) { |
891f9566 | 2241 | IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) ^ SvIV_nomg(right); |
972b05a9 | 2242 | SETi(i); |
d0ba1bd2 JH |
2243 | } |
2244 | else { | |
891f9566 | 2245 | UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) ^ SvUV_nomg(right); |
972b05a9 | 2246 | SETu(u); |
d0ba1bd2 | 2247 | } |
a0d0e21e LW |
2248 | } |
2249 | else { | |
533c011a | 2250 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2251 | SETTARG; |
2252 | } | |
2253 | RETURN; | |
2254 | } | |
2255 | } | |
79072805 | 2256 | |
a0d0e21e LW |
2257 | PP(pp_bit_or) |
2258 | { | |
39644a26 | 2259 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
2260 | { |
2261 | dPOPTOPssrl; | |
028c96eb RGS |
2262 | if (SvGMAGICAL(left)) mg_get(left); |
2263 | if (SvGMAGICAL(right)) mg_get(right); | |
4633a7c4 | 2264 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2265 | if (PL_op->op_private & HINT_INTEGER) { |
891f9566 | 2266 | IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) | SvIV_nomg(right); |
972b05a9 | 2267 | SETi(i); |
d0ba1bd2 JH |
2268 | } |
2269 | else { | |
891f9566 | 2270 | UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) | SvUV_nomg(right); |
972b05a9 | 2271 | SETu(u); |
d0ba1bd2 | 2272 | } |
a0d0e21e LW |
2273 | } |
2274 | else { | |
533c011a | 2275 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2276 | SETTARG; |
2277 | } | |
2278 | RETURN; | |
79072805 | 2279 | } |
a0d0e21e | 2280 | } |
79072805 | 2281 | |
a0d0e21e LW |
2282 | PP(pp_negate) |
2283 | { | |
39644a26 | 2284 | dSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
2285 | { |
2286 | dTOPss; | |
28e5dec8 | 2287 | int flags = SvFLAGS(sv); |
4633a7c4 LW |
2288 | if (SvGMAGICAL(sv)) |
2289 | mg_get(sv); | |
28e5dec8 JH |
2290 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
2291 | /* It's publicly an integer, or privately an integer-not-float */ | |
2292 | oops_its_an_int: | |
9b0e499b GS |
2293 | if (SvIsUV(sv)) { |
2294 | if (SvIVX(sv) == IV_MIN) { | |
28e5dec8 | 2295 | /* 2s complement assumption. */ |
9b0e499b GS |
2296 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
2297 | RETURN; | |
2298 | } | |
2299 | else if (SvUVX(sv) <= IV_MAX) { | |
beccb14c | 2300 | SETi(-SvIVX(sv)); |
9b0e499b GS |
2301 | RETURN; |
2302 | } | |
2303 | } | |
2304 | else if (SvIVX(sv) != IV_MIN) { | |
2305 | SETi(-SvIVX(sv)); | |
2306 | RETURN; | |
2307 | } | |
28e5dec8 JH |
2308 | #ifdef PERL_PRESERVE_IVUV |
2309 | else { | |
2310 | SETu((UV)IV_MIN); | |
2311 | RETURN; | |
2312 | } | |
2313 | #endif | |
9b0e499b GS |
2314 | } |
2315 | if (SvNIOKp(sv)) | |
a0d0e21e | 2316 | SETn(-SvNV(sv)); |
4633a7c4 | 2317 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
2318 | STRLEN len; |
2319 | char *s = SvPV(sv, len); | |
bbce6d69 | 2320 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
2321 | sv_setpvn(TARG, "-", 1); |
2322 | sv_catsv(TARG, sv); | |
79072805 | 2323 | } |
a0d0e21e LW |
2324 | else if (*s == '+' || *s == '-') { |
2325 | sv_setsv(TARG, sv); | |
2326 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 2327 | } |
8eb28a70 JH |
2328 | else if (DO_UTF8(sv)) { |
2329 | SvIV_please(sv); | |
2330 | if (SvIOK(sv)) | |
2331 | goto oops_its_an_int; | |
2332 | if (SvNOK(sv)) | |
2333 | sv_setnv(TARG, -SvNV(sv)); | |
2334 | else { | |
2335 | sv_setpvn(TARG, "-", 1); | |
2336 | sv_catsv(TARG, sv); | |
2337 | } | |
834a4ddd | 2338 | } |
28e5dec8 | 2339 | else { |
8eb28a70 JH |
2340 | SvIV_please(sv); |
2341 | if (SvIOK(sv)) | |
2342 | goto oops_its_an_int; | |
2343 | sv_setnv(TARG, -SvNV(sv)); | |
28e5dec8 | 2344 | } |
a0d0e21e | 2345 | SETTARG; |
79072805 | 2346 | } |
4633a7c4 LW |
2347 | else |
2348 | SETn(-SvNV(sv)); | |
79072805 | 2349 | } |
a0d0e21e | 2350 | RETURN; |
79072805 LW |
2351 | } |
2352 | ||
a0d0e21e | 2353 | PP(pp_not) |
79072805 | 2354 | { |
39644a26 | 2355 | dSP; tryAMAGICunSET(not); |
3280af22 | 2356 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 2357 | return NORMAL; |
79072805 LW |
2358 | } |
2359 | ||
a0d0e21e | 2360 | PP(pp_complement) |
79072805 | 2361 | { |
39644a26 | 2362 | dSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
2363 | { |
2364 | dTOPss; | |
028c96eb RGS |
2365 | if (SvGMAGICAL(sv)) |
2366 | mg_get(sv); | |
4633a7c4 | 2367 | if (SvNIOKp(sv)) { |
d0ba1bd2 | 2368 | if (PL_op->op_private & HINT_INTEGER) { |
891f9566 | 2369 | IV i = ~SvIV_nomg(sv); |
972b05a9 | 2370 | SETi(i); |
d0ba1bd2 JH |
2371 | } |
2372 | else { | |
891f9566 | 2373 | UV u = ~SvUV_nomg(sv); |
972b05a9 | 2374 | SETu(u); |
d0ba1bd2 | 2375 | } |
a0d0e21e LW |
2376 | } |
2377 | else { | |
51723571 | 2378 | register U8 *tmps; |
55497cff | 2379 | register I32 anum; |
a0d0e21e LW |
2380 | STRLEN len; |
2381 | ||
5ab053b0 | 2382 | (void)SvPV_nomg(sv,len); /* force check for uninit var */ |
891f9566 | 2383 | sv_setsv_nomg(TARG, sv); |
51723571 | 2384 | tmps = (U8*)SvPV_force(TARG, len); |
a0d0e21e | 2385 | anum = len; |
1d68d6cd | 2386 | if (SvUTF8(TARG)) { |
a1ca4561 | 2387 | /* Calculate exact length, let's not estimate. */ |
1d68d6cd SC |
2388 | STRLEN targlen = 0; |
2389 | U8 *result; | |
51723571 | 2390 | U8 *send; |
ba210ebe | 2391 | STRLEN l; |
a1ca4561 YST |
2392 | UV nchar = 0; |
2393 | UV nwide = 0; | |
1d68d6cd SC |
2394 | |
2395 | send = tmps + len; | |
2396 | while (tmps < send) { | |
9041c2e3 | 2397 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
1d68d6cd | 2398 | tmps += UTF8SKIP(tmps); |
5bbb0b5a | 2399 | targlen += UNISKIP(~c); |
a1ca4561 YST |
2400 | nchar++; |
2401 | if (c > 0xff) | |
2402 | nwide++; | |
1d68d6cd SC |
2403 | } |
2404 | ||
2405 | /* Now rewind strings and write them. */ | |
2406 | tmps -= len; | |
a1ca4561 YST |
2407 | |
2408 | if (nwide) { | |
2409 | Newz(0, result, targlen + 1, U8); | |
2410 | while (tmps < send) { | |
9041c2e3 | 2411 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
a1ca4561 | 2412 | tmps += UTF8SKIP(tmps); |
b851fbc1 | 2413 | result = uvchr_to_utf8_flags(result, ~c, UNICODE_ALLOW_ANY); |
a1ca4561 YST |
2414 | } |
2415 | *result = '\0'; | |
2416 | result -= targlen; | |
2417 | sv_setpvn(TARG, (char*)result, targlen); | |
2418 | SvUTF8_on(TARG); | |
2419 | } | |
2420 | else { | |
2421 | Newz(0, result, nchar + 1, U8); | |
2422 | while (tmps < send) { | |
9041c2e3 | 2423 | U8 c = (U8)utf8n_to_uvchr(tmps, 0, &l, UTF8_ALLOW_ANY); |
a1ca4561 YST |
2424 | tmps += UTF8SKIP(tmps); |
2425 | *result++ = ~c; | |
2426 | } | |
2427 | *result = '\0'; | |
2428 | result -= nchar; | |
2429 | sv_setpvn(TARG, (char*)result, nchar); | |
d0a21e00 | 2430 | SvUTF8_off(TARG); |
1d68d6cd | 2431 | } |
1d68d6cd SC |
2432 | Safefree(result); |
2433 | SETs(TARG); | |
2434 | RETURN; | |
2435 | } | |
a0d0e21e | 2436 | #ifdef LIBERAL |
51723571 JH |
2437 | { |
2438 | register long *tmpl; | |
2439 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
2440 | *tmps = ~*tmps; | |
2441 | tmpl = (long*)tmps; | |
2442 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
2443 | *tmpl = ~*tmpl; | |
2444 | tmps = (U8*)tmpl; | |
2445 | } | |
a0d0e21e LW |
2446 | #endif |
2447 | for ( ; anum > 0; anum--, tmps++) | |
2448 | *tmps = ~*tmps; | |
2449 | ||
2450 | SETs(TARG); | |
2451 | } | |
2452 | RETURN; | |
2453 | } | |
79072805 LW |
2454 | } |
2455 | ||
a0d0e21e LW |
2456 | /* integer versions of some of the above */ |
2457 | ||
a0d0e21e | 2458 | PP(pp_i_multiply) |
79072805 | 2459 | { |
39644a26 | 2460 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
2461 | { |
2462 | dPOPTOPiirl; | |
2463 | SETi( left * right ); | |
2464 | RETURN; | |
2465 | } | |
79072805 LW |
2466 | } |
2467 | ||
a0d0e21e | 2468 | PP(pp_i_divide) |
79072805 | 2469 | { |
39644a26 | 2470 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
2471 | { |
2472 | dPOPiv; | |
2473 | if (value == 0) | |
cea2e8a9 | 2474 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
2475 | value = POPi / value; |
2476 | PUSHi( value ); | |
2477 | RETURN; | |
2478 | } | |
79072805 LW |
2479 | } |
2480 | ||
224ec323 JH |
2481 | STATIC |
2482 | PP(pp_i_modulo_0) | |
2483 | { | |
2484 | /* This is the vanilla old i_modulo. */ | |
2485 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); | |
2486 | { | |
2487 | dPOPTOPiirl; | |
2488 | if (!right) | |
2489 | DIE(aTHX_ "Illegal modulus zero"); | |
2490 | SETi( left % right ); | |
2491 | RETURN; | |
2492 | } | |
2493 | } | |
2494 | ||
11010fa3 | 2495 | #if defined(__GLIBC__) && IVSIZE == 8 |
224ec323 JH |
2496 | STATIC |
2497 | PP(pp_i_modulo_1) | |
2498 | { | |
224ec323 | 2499 | /* This is the i_modulo with the workaround for the _moddi3 bug |
fce2b89e | 2500 | * in (at least) glibc 2.2.5 (the PERL_ABS() the workaround). |
224ec323 JH |
2501 | * See below for pp_i_modulo. */ |
2502 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); | |
2503 | { | |
2504 | dPOPTOPiirl; | |
2505 | if (!right) | |
2506 | DIE(aTHX_ "Illegal modulus zero"); | |
32fdb065 | 2507 | SETi( left % PERL_ABS(right) ); |
224ec323 JH |
2508 | RETURN; |
2509 | } | |
224ec323 | 2510 | } |
fce2b89e | 2511 | #endif |
224ec323 | 2512 | |
a0d0e21e | 2513 | PP(pp_i_modulo) |
79072805 | 2514 | { |
224ec323 JH |
2515 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
2516 | { | |
2517 | dPOPTOPiirl; | |
2518 | if (!right) | |
2519 | DIE(aTHX_ "Illegal modulus zero"); | |
2520 | /* The assumption is to use hereafter the old vanilla version... */ | |
2521 | PL_op->op_ppaddr = | |
2522 | PL_ppaddr[OP_I_MODULO] = | |
2523 | &Perl_pp_i_modulo_0; | |
2524 | /* .. but if we have glibc, we might have a buggy _moddi3 | |
2525 | * (at least glicb 2.2.5 is known to have this bug), in other | |
2526 | * words our integer modulus with negative quad as the second | |
2527 | * argument might be broken. Test for this and re-patch the | |
2528 | * opcode dispatch table if that is the case, remembering to | |
2529 | * also apply the workaround so that this first round works | |
2530 | * right, too. See [perl #9402] for more information. */ | |
2531 | #if defined(__GLIBC__) && IVSIZE == 8 | |
2532 | { | |
2533 | IV l = 3; | |
2534 | IV r = -10; | |
2535 | /* Cannot do this check with inlined IV constants since | |
2536 | * that seems to work correctly even with the buggy glibc. */ | |
2537 | if (l % r == -3) { | |
2538 | /* Yikes, we have the bug. | |
2539 | * Patch in the workaround version. */ | |
2540 | PL_op->op_ppaddr = | |
2541 | PL_ppaddr[OP_I_MODULO] = | |
2542 | &Perl_pp_i_modulo_1; | |
2543 | /* Make certain we work right this time, too. */ | |
32fdb065 | 2544 | right = PERL_ABS(right); |
224ec323 JH |
2545 | } |
2546 | } | |
2547 | #endif | |
2548 | SETi( left % right ); | |
2549 | RETURN; | |
2550 | } | |
79072805 LW |
2551 | } |
2552 | ||
a0d0e21e | 2553 | PP(pp_i_add) |
79072805 | 2554 | { |
39644a26 | 2555 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e | 2556 | { |
5e66d4f1 | 2557 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2558 | SETi( left + right ); |
2559 | RETURN; | |
79072805 | 2560 | } |
79072805 LW |
2561 | } |
2562 | ||
a0d0e21e | 2563 | PP(pp_i_subtract) |
79072805 | 2564 | { |
39644a26 | 2565 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 2566 | { |
5e66d4f1 | 2567 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2568 | SETi( left - right ); |
2569 | RETURN; | |
79072805 | 2570 | } |
79072805 LW |
2571 | } |
2572 | ||
a0d0e21e | 2573 | PP(pp_i_lt) |
79072805 | 2574 | { |
39644a26 | 2575 | dSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
2576 | { |
2577 | dPOPTOPiirl; | |
54310121 | 2578 | SETs(boolSV(left < right)); |
a0d0e21e LW |
2579 | RETURN; |
2580 | } | |
79072805 LW |
2581 | } |
2582 | ||
a0d0e21e | 2583 | PP(pp_i_gt) |
79072805 | 2584 | { |
39644a26 | 2585 | dSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
2586 | { |
2587 | dPOPTOPiirl; | |
54310121 | 2588 | SETs(boolSV(left > right)); |
a0d0e21e LW |
2589 | RETURN; |
2590 | } | |
79072805 LW |
2591 | } |
2592 | ||
a0d0e21e | 2593 | PP(pp_i_le) |
79072805 | 2594 | { |
39644a26 | 2595 | dSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
2596 | { |
2597 | dPOPTOPiirl; | |
54310121 | 2598 | SETs(boolSV(left <= right)); |
a0d0e21e | 2599 | RETURN; |
85e6fe83 | 2600 | } |
79072805 LW |
2601 | } |
2602 | ||
a0d0e21e | 2603 | PP(pp_i_ge) |
79072805 | 2604 | { |
39644a26 | 2605 | dSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
2606 | { |
2607 | dPOPTOPiirl; | |
54310121 | 2608 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
2609 | RETURN; |
2610 | } | |
79072805 LW |
2611 | } |
2612 | ||
a0d0e21e | 2613 | PP(pp_i_eq) |
79072805 | 2614 | { |
39644a26 | 2615 | dSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
2616 | { |
2617 | dPOPTOPiirl; | |
54310121 | 2618 | SETs(boolSV(left == right)); |
a0d0e21e LW |
2619 | RETURN; |
2620 | } | |
79072805 LW |
2621 | } |
2622 | ||
a0d0e21e | 2623 | PP(pp_i_ne) |
79072805 | 2624 | { |
39644a26 | 2625 | dSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
2626 | { |
2627 | dPOPTOPiirl; | |
54310121 | 2628 | SETs(boolSV(left != right)); |
a0d0e21e LW |
2629 | RETURN; |
2630 | } | |
79072805 LW |
2631 | } |
2632 | ||
a0d0e21e | 2633 | PP(pp_i_ncmp) |
79072805 | 2634 | { |
39644a26 | 2635 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
2636 | { |
2637 | dPOPTOPiirl; | |
2638 | I32 value; | |
79072805 | 2639 | |
a0d0e21e | 2640 | if (left > right) |
79072805 | 2641 | value = 1; |
a0d0e21e | 2642 | else if (left < right) |
79072805 | 2643 | value = -1; |
a0d0e21e | 2644 | else |
79072805 | 2645 | value = 0; |
a0d0e21e LW |
2646 | SETi(value); |
2647 | RETURN; | |
79072805 | 2648 | } |
85e6fe83 LW |
2649 | } |
2650 | ||
2651 | PP(pp_i_negate) | |
2652 | { | |
39644a26 | 2653 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
2654 | SETi(-TOPi); |
2655 | RETURN; | |
2656 | } | |
2657 | ||
79072805 LW |
2658 | /* High falutin' math. */ |
2659 | ||
2660 | PP(pp_atan2) | |
2661 | { | |
39644a26 | 2662 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
2663 | { |
2664 | dPOPTOPnnrl; | |
65202027 | 2665 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
2666 | RETURN; |
2667 | } | |
79072805 LW |
2668 | } |
2669 | ||
2670 | PP(pp_sin) | |
2671 | { | |
39644a26 | 2672 | dSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 2673 | { |
65202027 | 2674 | NV value; |
a0d0e21e | 2675 | value = POPn; |
65202027 | 2676 | value = Perl_sin(value); |
a0d0e21e LW |
2677 | XPUSHn(value); |
2678 | RETURN; | |
2679 | } | |
79072805 LW |
2680 | } |
2681 | ||
2682 | PP(pp_cos) | |
2683 | { | |
39644a26 | 2684 | dSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 2685 | { |
65202027 | 2686 | NV value; |
a0d0e21e | 2687 | value = POPn; |
65202027 | 2688 | value = Perl_cos(value); |
a0d0e21e LW |
2689 | XPUSHn(value); |
2690 | RETURN; | |
2691 | } | |
79072805 LW |
2692 | } |
2693 | ||
56cb0a1c AD |
2694 | /* Support Configure command-line overrides for rand() functions. |
2695 | After 5.005, perhaps we should replace this by Configure support | |
2696 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
2697 | compatibility by calling rand() but allow the user to override it. | |
2698 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
2699 | */ | |
85ab1d1d JH |
2700 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
2701 | in addition to rand(). So the overrides should not be needed any more. | |
2702 | --Jarkko Hietaniemi 27 September 1998 | |
2703 | */ | |
2704 | ||
2705 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 2706 | extern double drand48 (void); |
56cb0a1c AD |
2707 | #endif |
2708 | ||
79072805 LW |
2709 | PP(pp_rand) |
2710 | { | |
39644a26 | 2711 | dSP; dTARGET; |
65202027 | 2712 | NV value; |
79072805 LW |
2713 | if (MAXARG < 1) |
2714 | value = 1.0; | |
2715 | else | |
2716 | value = POPn; | |
2717 | if (value == 0.0) | |
2718 | value = 1.0; | |
80252599 | 2719 | if (!PL_srand_called) { |
85ab1d1d | 2720 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 2721 | PL_srand_called = TRUE; |
93dc8474 | 2722 | } |
85ab1d1d | 2723 | value *= Drand01(); |
79072805 LW |
2724 | XPUSHn(value); |
2725 | RETURN; | |
2726 | } | |
2727 | ||
2728 | PP(pp_srand) | |
2729 | { | |
39644a26 | 2730 | dSP; |
93dc8474 CS |
2731 | UV anum; |
2732 | if (MAXARG < 1) | |
2733 | anum = seed(); | |
79072805 | 2734 | else |
93dc8474 | 2735 | anum = POPu; |
85ab1d1d | 2736 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 2737 | PL_srand_called = TRUE; |
79072805 LW |
2738 | EXTEND(SP, 1); |
2739 | RETPUSHYES; | |
2740 | } | |
2741 | ||
2742 | PP(pp_exp) | |
2743 | { | |
39644a26 | 2744 | dSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 2745 | { |
65202027 | 2746 | NV value; |
a0d0e21e | 2747 | value = POPn; |
65202027 | 2748 | value = Perl_exp(value); |
a0d0e21e LW |
2749 | XPUSHn(value); |
2750 | RETURN; | |
2751 | } | |
79072805 LW |
2752 | } |
2753 | ||
2754 | PP(pp_log) | |
2755 | { | |
39644a26 | 2756 | dSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 2757 | { |
65202027 | 2758 | NV value; |
a0d0e21e | 2759 | value = POPn; |
bbce6d69 | 2760 | if (value <= 0.0) { |
f93f4e46 | 2761 | SET_NUMERIC_STANDARD(); |
1779d84d | 2762 | DIE(aTHX_ "Can't take log of %"NVgf, value); |
bbce6d69 | 2763 | } |
65202027 | 2764 | value = Perl_log(value); |
a0d0e21e LW |
2765 | XPUSHn(value); |
2766 | RETURN; | |
2767 | } | |
79072805 LW |
2768 | } |
2769 | ||
2770 | PP(pp_sqrt) | |
2771 | { | |
39644a26 | 2772 | dSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 2773 | { |
65202027 | 2774 | NV value; |
a0d0e21e | 2775 | value = POPn; |
bbce6d69 | 2776 | if (value < 0.0) { |
f93f4e46 | 2777 | SET_NUMERIC_STANDARD(); |
1779d84d | 2778 | DIE(aTHX_ "Can't take sqrt of %"NVgf, value); |
bbce6d69 | 2779 | } |
65202027 | 2780 | value = Perl_sqrt(value); |
a0d0e21e LW |
2781 | XPUSHn(value); |
2782 | RETURN; | |
2783 | } | |
79072805 LW |
2784 | } |
2785 | ||
2786 | PP(pp_int) | |
2787 | { | |
39644a26 | 2788 | dSP; dTARGET; tryAMAGICun(int); |
774d564b | 2789 | { |
28e5dec8 JH |
2790 | NV value; |
2791 | IV iv = TOPi; /* attempt to convert to IV if possible. */ | |
2792 | /* XXX it's arguable that compiler casting to IV might be subtly | |
2793 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
2794 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
2795 | relying on floating point to be accurate is a bug. */ | |
2796 | ||
2797 | if (SvIOK(TOPs)) { | |
2798 | if (SvIsUV(TOPs)) { | |
2799 | UV uv = TOPu; | |
2800 | SETu(uv); | |
2801 | } else | |
2802 | SETi(iv); | |
2803 | } else { | |
2804 | value = TOPn; | |
1048ea30 | 2805 | if (value >= 0.0) { |
28e5dec8 JH |
2806 | if (value < (NV)UV_MAX + 0.5) { |
2807 | SETu(U_V(value)); | |
2808 | } else { | |
059a1014 | 2809 | SETn(Perl_floor(value)); |
28e5dec8 | 2810 | } |
1048ea30 | 2811 | } |
28e5dec8 JH |
2812 | else { |
2813 | if (value > (NV)IV_MIN - 0.5) { | |
2814 | SETi(I_V(value)); | |
2815 | } else { | |
1bbae031 | 2816 | SETn(Perl_ceil(value)); |
28e5dec8 JH |
2817 | } |
2818 | } | |
774d564b | 2819 | } |
79072805 | 2820 | } |
79072805 LW |
2821 | RETURN; |
2822 | } | |
2823 | ||
463ee0b2 LW |
2824 | PP(pp_abs) |
2825 | { | |
39644a26 | 2826 | dSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 2827 | { |
28e5dec8 JH |
2828 | /* This will cache the NV value if string isn't actually integer */ |
2829 | IV iv = TOPi; | |
a227d84d | 2830 | |
28e5dec8 JH |
2831 | if (SvIOK(TOPs)) { |
2832 | /* IVX is precise */ | |
2833 | if (SvIsUV(TOPs)) { | |
2834 | SETu(TOPu); /* force it to be numeric only */ | |
2835 | } else { | |
2836 | if (iv >= 0) { | |
2837 | SETi(iv); | |
2838 | } else { | |
2839 | if (iv != IV_MIN) { | |
2840 | SETi(-iv); | |
2841 | } else { | |
2842 | /* 2s complement assumption. Also, not really needed as | |
2843 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
2844 | SETu(IV_MIN); | |
2845 | } | |
a227d84d | 2846 | } |
28e5dec8 JH |
2847 | } |
2848 | } else{ | |
2849 | NV value = TOPn; | |
774d564b | 2850 | if (value < 0.0) |
28e5dec8 | 2851 | value = -value; |
774d564b | 2852 | SETn(value); |
2853 | } | |
a0d0e21e | 2854 | } |
774d564b | 2855 | RETURN; |
463ee0b2 LW |
2856 | } |
2857 | ||
53305cf1 | 2858 | |
79072805 LW |
2859 | PP(pp_hex) |
2860 | { | |
39644a26 | 2861 | dSP; dTARGET; |
79072805 | 2862 | char *tmps; |
53305cf1 | 2863 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
6f894ead | 2864 | STRLEN len; |
53305cf1 NC |
2865 | NV result_nv; |
2866 | UV result_uv; | |
2bc69dc4 | 2867 | SV* sv = POPs; |
79072805 | 2868 | |
2bc69dc4 NIS |
2869 | tmps = (SvPVx(sv, len)); |
2870 | if (DO_UTF8(sv)) { | |
2871 | /* If Unicode, try to downgrade | |
2872 | * If not possible, croak. */ | |
2873 | SV* tsv = sv_2mortal(newSVsv(sv)); | |
2874 | ||
2875 | SvUTF8_on(tsv); | |
2876 | sv_utf8_downgrade(tsv, FALSE); | |
2877 | tmps = SvPVX(tsv); | |
2878 | } | |
53305cf1 NC |
2879 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
2880 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
2881 | XPUSHn(result_nv); | |
2882 | } | |
2883 | else { | |
2884 | XPUSHu(result_uv); | |
2885 | } | |
79072805 LW |
2886 | RETURN; |
2887 | } | |
2888 | ||
2889 | PP(pp_oct) | |
2890 | { | |
39644a26 | 2891 | dSP; dTARGET; |
79072805 | 2892 | char *tmps; |
53305cf1 | 2893 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
6f894ead | 2894 | STRLEN len; |
53305cf1 NC |
2895 | NV result_nv; |
2896 | UV result_uv; | |
2bc69dc4 | 2897 | SV* sv = POPs; |
79072805 | 2898 | |
2bc69dc4 NIS |
2899 | tmps = (SvPVx(sv, len)); |
2900 | if (DO_UTF8(sv)) { | |
2901 | /* If Unicode, try to downgrade | |
2902 | * If not possible, croak. */ | |
2903 | SV* tsv = sv_2mortal(newSVsv(sv)); | |
2904 | ||
2905 | SvUTF8_on(tsv); | |
2906 | sv_utf8_downgrade(tsv, FALSE); | |
2907 | tmps = SvPVX(tsv); | |
2908 | } | |
6f894ead | 2909 | while (*tmps && len && isSPACE(*tmps)) |
53305cf1 | 2910 | tmps++, len--; |
9e24b6e2 | 2911 | if (*tmps == '0') |
53305cf1 | 2912 | tmps++, len--; |
9e24b6e2 | 2913 | if (*tmps == 'x') |
53305cf1 | 2914 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
9e24b6e2 | 2915 | else if (*tmps == 'b') |
53305cf1 | 2916 | result_uv = grok_bin (tmps, &len, &flags, &result_nv); |
464e2e8a | 2917 | else |
53305cf1 NC |
2918 | result_uv = grok_oct (tmps, &len, &flags, &result_nv); |
2919 | ||
2920 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
2921 | XPUSHn(result_nv); | |
2922 | } | |
2923 | else { | |
2924 | XPUSHu(result_uv); | |
2925 | } | |
79072805 LW |
2926 | RETURN; |
2927 | } | |
2928 | ||
2929 | /* String stuff. */ | |
2930 | ||
2931 | PP(pp_length) | |
2932 | { | |
39644a26 | 2933 | dSP; dTARGET; |
7e2040f0 | 2934 | SV *sv = TOPs; |
a0ed51b3 | 2935 | |
7e2040f0 GS |
2936 | if (DO_UTF8(sv)) |
2937 | SETi(sv_len_utf8(sv)); | |
2938 | else | |
2939 | SETi(sv_len(sv)); | |
79072805 LW |
2940 | RETURN; |
2941 | } | |
2942 | ||
2943 | PP(pp_substr) | |
2944 | { | |
39644a26 | 2945 | dSP; dTARGET; |
79072805 | 2946 | SV *sv; |
9c5ffd7c | 2947 | I32 len = 0; |
463ee0b2 | 2948 | STRLEN curlen; |
9402d6ed | 2949 | STRLEN utf8_curlen; |
79072805 LW |
2950 | I32 pos; |
2951 | I32 rem; | |
84902520 | 2952 | I32 fail; |
78f9721b | 2953 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
79072805 | 2954 | char *tmps; |
3280af22 | 2955 | I32 arybase = PL_curcop->cop_arybase; |
9402d6ed | 2956 | SV *repl_sv = NULL; |
7b8d334a GS |
2957 | char *repl = 0; |
2958 | STRLEN repl_len; | |
78f9721b | 2959 | int num_args = PL_op->op_private & 7; |
13e30c65 | 2960 | bool repl_need_utf8_upgrade = FALSE; |
9402d6ed | 2961 | bool repl_is_utf8 = FALSE; |
79072805 | 2962 | |
20408e3c | 2963 | SvTAINTED_off(TARG); /* decontaminate */ |
7e2040f0 | 2964 | SvUTF8_off(TARG); /* decontaminate */ |
78f9721b SM |
2965 | if (num_args > 2) { |
2966 | if (num_args > 3) { | |
9402d6ed JH |
2967 | repl_sv = POPs; |
2968 | repl = SvPV(repl_sv, repl_len); | |
2969 | repl_is_utf8 = DO_UTF8(repl_sv) && SvCUR(repl_sv); | |
7b8d334a | 2970 | } |
79072805 | 2971 | len = POPi; |
5d82c453 | 2972 | } |
84902520 | 2973 | pos = POPi; |
79072805 | 2974 | sv = POPs; |
849ca7ee | 2975 | PUTBACK; |
9402d6ed JH |
2976 | if (repl_sv) { |
2977 | if (repl_is_utf8) { | |
2978 | if (!DO_UTF8(sv)) | |
2979 | sv_utf8_upgrade(sv); | |
2980 | } | |
13e30c65 JH |
2981 | else if (DO_UTF8(sv)) |
2982 | repl_need_utf8_upgrade = TRUE; | |
9402d6ed | 2983 | } |
a0d0e21e | 2984 | tmps = SvPV(sv, curlen); |
7e2040f0 | 2985 | if (DO_UTF8(sv)) { |
9402d6ed JH |
2986 | utf8_curlen = sv_len_utf8(sv); |
2987 | if (utf8_curlen == curlen) | |
2988 | utf8_curlen = 0; | |
a0ed51b3 | 2989 | else |
9402d6ed | 2990 | curlen = utf8_curlen; |
a0ed51b3 | 2991 | } |
d1c2b58a | 2992 | else |
9402d6ed | 2993 | utf8_curlen = 0; |
a0ed51b3 | 2994 | |
84902520 TB |
2995 | if (pos >= arybase) { |
2996 | pos -= arybase; | |
2997 | rem = curlen-pos; | |
2998 | fail = rem; | |
78f9721b | 2999 | if (num_args > 2) { |
5d82c453 GA |
3000 | if (len < 0) { |
3001 | rem += len; | |
3002 | if (rem < 0) | |
3003 | rem = 0; | |
3004 | } | |
3005 | else if (rem > len) | |
3006 | rem = len; | |
3007 | } | |
68dc0745 | 3008 | } |
84902520 | 3009 | else { |
5d82c453 | 3010 | pos += curlen; |
78f9721b | 3011 | if (num_args < 3) |
5d82c453 GA |
3012 | rem = curlen; |
3013 | else if (len >= 0) { | |
3014 | rem = pos+len; | |
3015 | if (rem > (I32)curlen) | |
3016 | rem = curlen; | |
3017 | } | |
3018 | else { | |
3019 | rem = curlen+len; | |
3020 | if (rem < pos) | |
3021 | rem = pos; | |
3022 | } | |
3023 | if (pos < 0) | |
3024 | pos = 0; | |
3025 | fail = rem; | |
3026 | rem -= pos; | |
84902520 TB |
3027 | } |
3028 | if (fail < 0) { | |
e476b1b5 GS |
3029 | if (lvalue || repl) |
3030 | Perl_croak(aTHX_ "substr outside of string"); | |
3031 | if (ckWARN(WARN_SUBSTR)) | |
9014280d | 3032 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), "substr outside of string"); |
2304df62 AD |
3033 | RETPUSHUNDEF; |
3034 | } | |
79072805 | 3035 | else { |
9aa983d2 JH |
3036 | I32 upos = pos; |
3037 | I32 urem = rem; | |
9402d6ed | 3038 | if (utf8_curlen) |
a0ed51b3 | 3039 | sv_pos_u2b(sv, &pos, &rem); |
79072805 | 3040 | tmps += pos; |
79072805 | 3041 | sv_setpvn(TARG, tmps, rem); |
12aa1545 | 3042 | #ifdef USE_LOCALE_COLLATE |
14befaf4 | 3043 | sv_unmagic(TARG, PERL_MAGIC_collxfrm); |
12aa1545 | 3044 | #endif |
9402d6ed | 3045 | if (utf8_curlen) |
7f66633b | 3046 | SvUTF8_on(TARG); |
f7928d6c | 3047 | if (repl) { |
13e30c65 JH |
3048 | SV* repl_sv_copy = NULL; |
3049 | ||
3050 | if (repl_need_utf8_upgrade) { | |
3051 | repl_sv_copy = newSVsv(repl_sv); | |
3052 | sv_utf8_upgrade(repl_sv_copy); | |
3053 | repl = SvPV(repl_sv_copy, repl_len); | |
3054 | repl_is_utf8 = DO_UTF8(repl_sv_copy) && SvCUR(sv); | |
3055 | } | |
c8faf1c5 | 3056 | sv_insert(sv, pos, rem, repl, repl_len); |
9402d6ed | 3057 | if (repl_is_utf8) |
f7928d6c | 3058 | SvUTF8_on(sv); |
9402d6ed JH |
3059 | if (repl_sv_copy) |
3060 | SvREFCNT_dec(repl_sv_copy); | |
f7928d6c | 3061 | } |
c8faf1c5 | 3062 | else if (lvalue) { /* it's an lvalue! */ |
dedeecda | 3063 | if (!SvGMAGICAL(sv)) { |
3064 | if (SvROK(sv)) { | |
2d8e6c8d GS |
3065 | STRLEN n_a; |
3066 | SvPV_force(sv,n_a); | |
599cee73 | 3067 | if (ckWARN(WARN_SUBSTR)) |
9014280d | 3068 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), |
599cee73 | 3069 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 3070 | } |
3071 | if (SvOK(sv)) /* is it defined ? */ | |
7f66633b | 3072 | (void)SvPOK_only_UTF8(sv); |
dedeecda | 3073 | else |
3074 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
3075 | } | |
5f05dabc | 3076 | |
24aef97f HS |
3077 | if (SvREFCNT(TARG) > 1) /* don't share the TARG (#20933) */ |
3078 | TARG = sv_newmortal(); | |
a0d0e21e LW |
3079 | if (SvTYPE(TARG) < SVt_PVLV) { |
3080 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 3081 | sv_magic(TARG, Nullsv, PERL_MAGIC_substr, Nullch, 0); |
ed6116ce | 3082 | } |
6214ab63 AE |
3083 | else |
3084 | (void)SvOK_off(TARG); | |
a0d0e21e | 3085 | |
5f05dabc | 3086 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
3087 | if (LvTARG(TARG) != sv) { |
3088 | if (LvTARG(TARG)) | |
3089 | SvREFCNT_dec(LvTARG(TARG)); | |
3090 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
3091 | } | |
9aa983d2 JH |
3092 | LvTARGOFF(TARG) = upos; |
3093 | LvTARGLEN(TARG) = urem; | |
79072805 LW |
3094 | } |
3095 | } | |
849ca7ee | 3096 | SPAGAIN; |
79072805 LW |
3097 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
3098 | RETURN; | |
3099 | } | |
3100 | ||
3101 | PP(pp_vec) | |
3102 | { | |
39644a26 | 3103 | dSP; dTARGET; |
467f0320 JH |
3104 | register IV size = POPi; |
3105 | register IV offset = POPi; | |
79072805 | 3106 | register SV *src = POPs; |
78f9721b | 3107 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
a0d0e21e | 3108 | |
81e118e0 JH |
3109 | SvTAINTED_off(TARG); /* decontaminate */ |
3110 | if (lvalue) { /* it's an lvalue! */ | |
24aef97f HS |
3111 | if (SvREFCNT(TARG) > 1) /* don't share the TARG (#20933) */ |
3112 | TARG = sv_newmortal(); | |
81e118e0 JH |
3113 | if (SvTYPE(TARG) < SVt_PVLV) { |
3114 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 3115 | sv_magic(TARG, Nullsv, PERL_MAGIC_vec, Nullch, 0); |
79072805 | 3116 | } |
81e118e0 JH |
3117 | LvTYPE(TARG) = 'v'; |
3118 | if (LvTARG(TARG) != src) { | |
3119 | if (LvTARG(TARG)) | |
3120 | SvREFCNT_dec(LvTARG(TARG)); | |
3121 | LvTARG(TARG) = SvREFCNT_inc(src); | |
79072805 | 3122 | } |
81e118e0 JH |
3123 | LvTARGOFF(TARG) = offset; |
3124 | LvTARGLEN(TARG) = size; | |
79072805 LW |
3125 | } |
3126 | ||
81e118e0 | 3127 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
3128 | PUSHs(TARG); |
3129 | RETURN; | |
3130 | } | |
3131 | ||
3132 | PP(pp_index) | |
3133 | { | |
39644a26 | 3134 | dSP; dTARGET; |
79072805 LW |
3135 | SV *big; |
3136 | SV *little; | |
3137 | I32 offset; | |
3138 | I32 retval; | |
3139 | char *tmps; | |
3140 | char *tmps2; | |
463ee0b2 | 3141 | STRLEN biglen; |
3280af22 | 3142 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
3143 | |
3144 | if (MAXARG < 3) | |
3145 | offset = 0; | |
3146 | else | |
3147 | offset = POPi - arybase; | |
3148 | little = POPs; | |
3149 | big = POPs; | |
463ee0b2 | 3150 | tmps = SvPV(big, biglen); |
7e2040f0 | 3151 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 | 3152 | sv_pos_u2b(big, &offset, 0); |
79072805 LW |
3153 | if (offset < 0) |
3154 | offset = 0; | |
eb160463 | 3155 | else if (offset > (I32)biglen) |
93a17b20 | 3156 | offset = biglen; |
79072805 | 3157 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 3158 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 3159 | retval = -1; |
79072805 | 3160 | else |
a0ed51b3 | 3161 | retval = tmps2 - tmps; |
7e2040f0 | 3162 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
3163 | sv_pos_b2u(big, &retval); |
3164 | PUSHi(retval + arybase); | |
79072805 LW |
3165 | RETURN; |
3166 | } | |
3167 | ||
3168 | PP(pp_rindex) | |
3169 | { | |
39644a26 | 3170 | dSP; dTARGET; |
79072805 LW |
3171 | SV *big; |
3172 | SV *little; | |
463ee0b2 LW |
3173 | STRLEN blen; |
3174 | STRLEN llen; | |
79072805 LW |
3175 | I32 offset; |
3176 | I32 retval; | |
3177 | char *tmps; | |
3178 | char *tmps2; | |
3280af22 | 3179 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 3180 | |
a0d0e21e | 3181 | if (MAXARG >= 3) |
a0ed51b3 | 3182 | offset = POPi; |
79072805 LW |
3183 | little = POPs; |
3184 | big = POPs; | |
463ee0b2 LW |
3185 | tmps2 = SvPV(little, llen); |
3186 | tmps = SvPV(big, blen); | |
79072805 | 3187 | if (MAXARG < 3) |
463ee0b2 | 3188 | offset = blen; |
a0ed51b3 | 3189 | else { |
7e2040f0 | 3190 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
3191 | sv_pos_u2b(big, &offset, 0); |
3192 | offset = offset - arybase + llen; | |
3193 | } | |
79072805 LW |
3194 | if (offset < 0) |
3195 | offset = 0; | |
eb160463 | 3196 | else if (offset > (I32)blen) |
463ee0b2 | 3197 | offset = blen; |
79072805 | 3198 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 3199 | tmps2, tmps2 + llen))) |
a0ed51b3 | 3200 | retval = -1; |
79072805 | 3201 | else |
a0ed51b3 | 3202 | retval = tmps2 - tmps; |
7e2040f0 | 3203 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
3204 | sv_pos_b2u(big, &retval); |
3205 | PUSHi(retval + arybase); | |
79072805 LW |
3206 | RETURN; |
3207 | } | |
3208 | ||
3209 | PP(pp_sprintf) | |
3210 | { | |
39644a26 | 3211 | dSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 3212 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 3213 | TAINT_IF(SvTAINTED(TARG)); |
6ee35fb7 JH |
3214 | if (DO_UTF8(*(MARK+1))) |
3215 | SvUTF8_on(TARG); | |
79072805 LW |
3216 | SP = ORIGMARK; |
3217 | PUSHTARG; | |
3218 | RETURN; | |
3219 | } | |
3220 | ||
79072805 LW |
3221 | PP(pp_ord) |
3222 | { | |
39644a26 | 3223 | dSP; dTARGET; |
7df053ec | 3224 | SV *argsv = POPs; |
ba210ebe | 3225 | STRLEN len; |
7df053ec | 3226 | U8 *s = (U8*)SvPVx(argsv, len); |
121910a4 JH |
3227 | SV *tmpsv; |
3228 | ||
799ef3cb | 3229 | if (PL_encoding && SvPOK(argsv) && !DO_UTF8(argsv)) { |
121910a4 | 3230 | tmpsv = sv_2mortal(newSVsv(argsv)); |
799ef3cb | 3231 | s = (U8*)sv_recode_to_utf8(tmpsv, PL_encoding); |
121910a4 JH |
3232 | argsv = tmpsv; |
3233 | } | |
79072805 | 3234 | |
872c91ae JH |
3235 | XPUSHu(DO_UTF8(argsv) ? |
3236 | utf8n_to_uvchr(s, UTF8_MAXLEN, 0, UTF8_ALLOW_ANYUV) : | |
3237 | (*s & 0xff)); | |
68795e93 | 3238 | |
79072805 LW |
3239 | RETURN; |
3240 | } | |
3241 | ||
463ee0b2 LW |
3242 | PP(pp_chr) |
3243 | { | |
39644a26 | 3244 | dSP; dTARGET; |
463ee0b2 | 3245 | char *tmps; |
467f0320 | 3246 | UV value = POPu; |
463ee0b2 | 3247 | |
748a9306 | 3248 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 | 3249 | |
0064a8a9 | 3250 | if (value > 255 && !IN_BYTES) { |
eb160463 | 3251 | SvGROW(TARG, (STRLEN)UNISKIP(value)+1); |
62961d2e | 3252 | tmps = (char*)uvchr_to_utf8_flags((U8*)SvPVX(TARG), value, 0); |
a0ed51b3 LW |
3253 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
3254 | *tmps = '\0'; | |
3255 | (void)SvPOK_only(TARG); | |
aa6ffa16 | 3256 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3257 | XPUSHs(TARG); |
3258 | RETURN; | |
3259 | } | |
3260 | ||
748a9306 | 3261 | SvGROW(TARG,2); |
463ee0b2 LW |
3262 | SvCUR_set(TARG, 1); |
3263 | tmps = SvPVX(TARG); | |
eb160463 | 3264 | *tmps++ = (char)value; |
748a9306 | 3265 | *tmps = '\0'; |
a0d0e21e | 3266 | (void)SvPOK_only(TARG); |
88632417 | 3267 | if (PL_encoding && !IN_BYTES) { |
799ef3cb | 3268 | sv_recode_to_utf8(TARG, PL_encoding); |
88632417 JH |
3269 | tmps = SvPVX(TARG); |
3270 | if (SvCUR(TARG) == 0 || !is_utf8_string((U8*)tmps, SvCUR(TARG)) || | |
3271 | memEQ(tmps, "\xef\xbf\xbd\0", 4)) { | |
d5a15ac2 JH |
3272 | SvGROW(TARG, 3); |
3273 | tmps = SvPVX(TARG); | |
88632417 JH |
3274 | SvCUR_set(TARG, 2); |
3275 | *tmps++ = (U8)UTF8_EIGHT_BIT_HI(value); | |
3276 | *tmps++ = (U8)UTF8_EIGHT_BIT_LO(value); | |
3277 | *tmps = '\0'; | |
3278 | SvUTF8_on(TARG); | |
3279 | } | |
3280 | } | |
463ee0b2 LW |
3281 | XPUSHs(TARG); |
3282 | RETURN; | |
3283 | } | |
3284 | ||
79072805 LW |
3285 | PP(pp_crypt) |
3286 | { | |
5f74f29c | 3287 | dSP; dTARGET; |
79072805 | 3288 | #ifdef HAS_CRYPT |
5f74f29c JH |
3289 | dPOPTOPssrl; |
3290 | STRLEN n_a; | |
85c16d83 JH |
3291 | STRLEN len; |
3292 | char *tmps = SvPV(left, len); | |
2bc69dc4 | 3293 | |
85c16d83 | 3294 | if (DO_UTF8(left)) { |
2bc69dc4 | 3295 | /* If Unicode, try to downgrade. |
f2791508 JH |
3296 | * If not possible, croak. |
3297 | * Yes, we made this up. */ | |
3298 | SV* tsv = sv_2mortal(newSVsv(left)); | |
2bc69dc4 | 3299 | |
f2791508 | 3300 | SvUTF8_on(tsv); |
2bc69dc4 | 3301 | sv_utf8_downgrade(tsv, FALSE); |
f2791508 | 3302 | tmps = SvPVX(tsv); |
85c16d83 | 3303 | } |
05404ffe JH |
3304 | # ifdef USE_ITHREADS |
3305 | # ifdef HAS_CRYPT_R | |
3306 | if (!PL_reentrant_buffer->_crypt_struct_buffer) { | |
3307 | /* This should be threadsafe because in ithreads there is only | |
3308 | * one thread per interpreter. If this would not be true, | |
3309 | * we would need a mutex to protect this malloc. */ | |
3310 | PL_reentrant_buffer->_crypt_struct_buffer = | |
3311 | (struct crypt_data *)safemalloc(sizeof(struct crypt_data)); | |
3312 | #if defined(__GLIBC__) || defined(__EMX__) | |
3313 | if (PL_reentrant_buffer->_crypt_struct_buffer) { | |
3314 | PL_reentrant_buffer->_crypt_struct_buffer->initialized = 0; | |
3315 | /* work around glibc-2.2.5 bug */ | |
3316 | PL_reentrant_buffer->_crypt_struct_buffer->current_saltbits = 0; | |
3317 | } | |
05404ffe | 3318 | #endif |
6ab58e4d | 3319 | } |
05404ffe JH |
3320 | # endif /* HAS_CRYPT_R */ |
3321 | # endif /* USE_ITHREADS */ | |
5f74f29c | 3322 | # ifdef FCRYPT |
2d8e6c8d | 3323 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
5f74f29c | 3324 | # else |
2d8e6c8d | 3325 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
5f74f29c | 3326 | # endif |
4808266b JH |
3327 | SETs(TARG); |
3328 | RETURN; | |
79072805 | 3329 | #else |
b13b2135 | 3330 | DIE(aTHX_ |
79072805 LW |
3331 | "The crypt() function is unimplemented due to excessive paranoia."); |
3332 | #endif | |
79072805 LW |
3333 | } |
3334 | ||
3335 | PP(pp_ucfirst) | |
3336 | { | |
39644a26 | 3337 | dSP; |
79072805 | 3338 | SV *sv = TOPs; |
a0ed51b3 LW |
3339 | register U8 *s; |
3340 | STRLEN slen; | |
3341 | ||
d104a74c | 3342 | SvGETMAGIC(sv); |
3a2263fe RGS |
3343 | if (DO_UTF8(sv) && |
3344 | (s = (U8*)SvPV_nomg(sv, slen)) && slen && | |
3345 | UTF8_IS_START(*s)) { | |
e7ae6809 | 3346 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
44bc797b JH |
3347 | STRLEN ulen; |
3348 | STRLEN tculen; | |
a0ed51b3 | 3349 | |
44bc797b | 3350 | utf8_to_uvchr(s, &ulen); |
44bc797b JH |
3351 | toTITLE_utf8(s, tmpbuf, &tculen); |
3352 | utf8_to_uvchr(tmpbuf, 0); | |
3353 | ||
3354 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { | |
a0ed51b3 | 3355 | dTARGET; |
3a2263fe RGS |
3356 | /* slen is the byte length of the whole SV. |
3357 | * ulen is the byte length of the original Unicode character | |
3358 | * stored as UTF-8 at s. | |
3359 | * tculen is the byte length of the freshly titlecased | |
3360 | * Unicode character stored as UTF-8 at tmpbuf. | |
3361 | * We first set the result to be the titlecased character, | |
3362 | * and then append the rest of the SV data. */ | |
44bc797b | 3363 | sv_setpvn(TARG, (char*)tmpbuf, tculen); |
3a2263fe RGS |
3364 | if (slen > ulen) |
3365 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3366 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3367 | SETs(TARG); |
3368 | } | |
3369 | else { | |
d104a74c | 3370 | s = (U8*)SvPV_force_nomg(sv, slen); |
44bc797b | 3371 | Copy(tmpbuf, s, tculen, U8); |
a0ed51b3 | 3372 | } |
a0ed51b3 | 3373 | } |
626727d5 | 3374 | else { |
014822e4 | 3375 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3376 | dTARGET; |
7e2040f0 | 3377 | SvUTF8_off(TARG); /* decontaminate */ |
d104a74c | 3378 | sv_setsv_nomg(TARG, sv); |
31351b04 JS |
3379 | sv = TARG; |
3380 | SETs(sv); | |
3381 | } | |
d104a74c | 3382 | s = (U8*)SvPV_force_nomg(sv, slen); |
31351b04 | 3383 | if (*s) { |
2de3dbcc | 3384 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3385 | TAINT; |
3386 | SvTAINTED_on(sv); | |
3387 | *s = toUPPER_LC(*s); | |
3388 | } | |
3389 | else | |
3390 | *s = toUPPER(*s); | |
bbce6d69 | 3391 | } |
bbce6d69 | 3392 | } |
d104a74c | 3393 | SvSETMAGIC(sv); |
79072805 LW |
3394 | RETURN; |
3395 | } | |
3396 | ||
3397 | PP(pp_lcfirst) | |
3398 | { | |
39644a26 | 3399 | dSP; |
79072805 | 3400 | SV *sv = TOPs; |
a0ed51b3 LW |
3401 | register U8 *s; |
3402 | STRLEN slen; | |
3403 | ||
d104a74c | 3404 | SvGETMAGIC(sv); |
3a2263fe RGS |
3405 | if (DO_UTF8(sv) && |
3406 | (s = (U8*)SvPV_nomg(sv, slen)) && slen && | |
3407 | UTF8_IS_START(*s)) { | |
ba210ebe | 3408 | STRLEN ulen; |
e7ae6809 | 3409 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
a0ed51b3 | 3410 | U8 *tend; |
9041c2e3 | 3411 | UV uv; |
a0ed51b3 | 3412 | |
44bc797b | 3413 | toLOWER_utf8(s, tmpbuf, &ulen); |
a2a2844f | 3414 | uv = utf8_to_uvchr(tmpbuf, 0); |
9041c2e3 | 3415 | tend = uvchr_to_utf8(tmpbuf, uv); |
a0ed51b3 | 3416 | |
eb160463 | 3417 | if (!SvPADTMP(sv) || (STRLEN)(tend - tmpbuf) != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 3418 | dTARGET; |
dfe13c55 | 3419 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
3a2263fe RGS |
3420 | if (slen > ulen) |
3421 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3422 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3423 | SETs(TARG); |
3424 | } | |
3425 | else { | |
d104a74c | 3426 | s = (U8*)SvPV_force_nomg(sv, slen); |
a0ed51b3 LW |
3427 | Copy(tmpbuf, s, ulen, U8); |
3428 | } | |
a0ed51b3 | 3429 | } |
626727d5 | 3430 | else { |
014822e4 | 3431 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3432 | dTARGET; |
7e2040f0 | 3433 | SvUTF8_off(TARG); /* decontaminate */ |
d104a74c | 3434 | sv_setsv_nomg(TARG, sv); |
31351b04 JS |
3435 | sv = TARG; |
3436 | SETs(sv); | |
3437 | } | |
d104a74c | 3438 | s = (U8*)SvPV_force_nomg(sv, slen); |
31351b04 | 3439 | if (*s) { |
2de3dbcc | 3440 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3441 | TAINT; |
3442 | SvTAINTED_on(sv); | |
3443 | *s = toLOWER_LC(*s); | |
3444 | } | |
3445 | else | |
3446 | *s = toLOWER(*s); | |
bbce6d69 | 3447 | } |
bbce6d69 | 3448 | } |
d104a74c | 3449 | SvSETMAGIC(sv); |
79072805 LW |
3450 | RETURN; |
3451 | } | |
3452 | ||
3453 | PP(pp_uc) | |
3454 | { | |
39644a26 | 3455 | dSP; |
79072805 | 3456 | SV *sv = TOPs; |
a0ed51b3 | 3457 | register U8 *s; |
463ee0b2 | 3458 | STRLEN len; |
79072805 | 3459 | |
d104a74c | 3460 | SvGETMAGIC(sv); |
7e2040f0 | 3461 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3462 | dTARGET; |
ba210ebe | 3463 | STRLEN ulen; |
a0ed51b3 LW |
3464 | register U8 *d; |
3465 | U8 *send; | |
e7ae6809 | 3466 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
a0ed51b3 | 3467 | |
d104a74c | 3468 | s = (U8*)SvPV_nomg(sv,len); |
a5a20234 | 3469 | if (!len) { |
7e2040f0 | 3470 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3471 | sv_setpvn(TARG, "", 0); |
3472 | SETs(TARG); | |
a0ed51b3 LW |
3473 | } |
3474 | else { | |
98b27f73 JH |
3475 | STRLEN nchar = utf8_length(s, s + len); |
3476 | ||
31351b04 | 3477 | (void)SvUPGRADE(TARG, SVt_PV); |
98b27f73 | 3478 | SvGROW(TARG, (nchar * UTF8_MAXLEN_UCLC) + 1); |
31351b04 JS |
3479 | (void)SvPOK_only(TARG); |
3480 | d = (U8*)SvPVX(TARG); | |
3481 | send = s + len; | |
a2a2844f | 3482 | while (s < send) { |
6fdb5f96 | 3483 | toUPPER_utf8(s, tmpbuf, &ulen); |
a2a2844f JH |
3484 | Copy(tmpbuf, d, ulen, U8); |
3485 | d += ulen; | |
3486 | s += UTF8SKIP(s); | |
a0ed51b3 | 3487 | } |
31351b04 | 3488 | *d = '\0'; |
7e2040f0 | 3489 | SvUTF8_on(TARG); |
31351b04 JS |
3490 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3491 | SETs(TARG); | |
a0ed51b3 | 3492 | } |
a0ed51b3 | 3493 | } |
626727d5 | 3494 | else { |
014822e4 | 3495 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3496 | dTARGET; |
7e2040f0 | 3497 | SvUTF8_off(TARG); /* decontaminate */ |
d104a74c | 3498 | sv_setsv_nomg(TARG, sv); |
31351b04 JS |
3499 | sv = TARG; |
3500 | SETs(sv); | |
3501 | } | |
d104a74c | 3502 | s = (U8*)SvPV_force_nomg(sv, len); |
31351b04 JS |
3503 | if (len) { |
3504 | register U8 *send = s + len; | |
3505 | ||
2de3dbcc | 3506 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3507 | TAINT; |
3508 | SvTAINTED_on(sv); | |
3509 | for (; s < send; s++) | |
3510 | *s = toUPPER_LC(*s); | |
3511 | } | |
3512 | else { | |
3513 | for (; s < send; s++) | |
3514 | *s = toUPPER(*s); | |
3515 | } | |
bbce6d69 | 3516 | } |
79072805 | 3517 | } |
d104a74c | 3518 | SvSETMAGIC(sv); |
79072805 LW |
3519 | RETURN; |
3520 | } | |
3521 | ||
3522 | PP(pp_lc) | |
3523 | { | |
39644a26 | 3524 | dSP; |
79072805 | 3525 | SV *sv = TOPs; |
a0ed51b3 | 3526 | register U8 *s; |
463ee0b2 | 3527 | STRLEN len; |
79072805 | 3528 | |
d104a74c | 3529 | SvGETMAGIC(sv); |
7e2040f0 | 3530 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3531 | dTARGET; |
ba210ebe | 3532 | STRLEN ulen; |
a0ed51b3 LW |
3533 | register U8 *d; |
3534 | U8 *send; | |
e7ae6809 | 3535 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
a0ed51b3 | 3536 | |
d104a74c | 3537 | s = (U8*)SvPV_nomg(sv,len); |
a5a20234 | 3538 | if (!len) { |
7e2040f0 | 3539 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3540 | sv_setpvn(TARG, "", 0); |
3541 | SETs(TARG); | |
a0ed51b3 LW |
3542 | } |
3543 | else { | |
98b27f73 JH |
3544 | STRLEN nchar = utf8_length(s, s + len); |
3545 | ||
31351b04 | 3546 | (void)SvUPGRADE(TARG, SVt_PV); |
98b27f73 | 3547 | SvGROW(TARG, (nchar * UTF8_MAXLEN_UCLC) + 1); |
31351b04 JS |
3548 | (void)SvPOK_only(TARG); |
3549 | d = (U8*)SvPVX(TARG); | |
3550 | send = s + len; | |
a2a2844f | 3551 | while (s < send) { |
6fdb5f96 JH |
3552 | UV uv = toLOWER_utf8(s, tmpbuf, &ulen); |
3553 | #define GREEK_CAPITAL_LETTER_SIGMA 0x03A3 /* Unicode */ | |
3554 | if (uv == GREEK_CAPITAL_LETTER_SIGMA) { | |
3555 | /* | |
3556 | * Now if the sigma is NOT followed by | |
3557 | * /$ignorable_sequence$cased_letter/; | |
3558 | * and it IS preceded by | |
3559 | * /$cased_letter$ignorable_sequence/; | |
3560 | * where $ignorable_sequence is | |
3561 | * [\x{2010}\x{AD}\p{Mn}]* | |
3562 | * and $cased_letter is | |
3563 | * [\p{Ll}\p{Lo}\p{Lt}] | |
3564 | * then it should be mapped to 0x03C2, | |
3565 | * (GREEK SMALL LETTER FINAL SIGMA), | |
3566 | * instead of staying 0x03A3. | |
3567 | * See lib/unicore/SpecCase.txt. | |
3568 | */ | |
3569 | } | |
a2a2844f JH |
3570 | Copy(tmpbuf, d, ulen, U8); |
3571 | d += ulen; | |
3572 | s += UTF8SKIP(s); | |
a0ed51b3 | 3573 | } |
31351b04 | 3574 | *d = '\0'; |
7e2040f0 | 3575 | SvUTF8_on(TARG); |
31351b04 JS |
3576 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3577 | SETs(TARG); | |
a0ed51b3 | 3578 | } |
79072805 | 3579 | } |
626727d5 | 3580 | else { |
014822e4 | 3581 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3582 | dTARGET; |
7e2040f0 | 3583 | SvUTF8_off(TARG); /* decontaminate */ |
d104a74c | 3584 | sv_setsv_nomg(TARG, sv); |
31351b04 JS |
3585 | sv = TARG; |
3586 | SETs(sv); | |
a0ed51b3 | 3587 | } |
bbce6d69 | 3588 | |
d104a74c | 3589 | s = (U8*)SvPV_force_nomg(sv, len); |
31351b04 JS |
3590 | if (len) { |
3591 | register U8 *send = s + len; | |
bbce6d69 | 3592 | |
2de3dbcc | 3593 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3594 | TAINT; |
3595 | SvTAINTED_on(sv); | |
3596 | for (; s < send; s++) | |
3597 | *s = toLOWER_LC(*s); | |
3598 | } | |
3599 | else { | |
3600 | for (; s < send; s++) | |
3601 | *s = toLOWER(*s); | |
3602 | } | |
bbce6d69 | 3603 | } |
79072805 | 3604 | } |
d104a74c | 3605 | SvSETMAGIC(sv); |
79072805 LW |
3606 | RETURN; |
3607 | } | |
3608 | ||
a0d0e21e | 3609 | PP(pp_quotemeta) |
79072805 | 3610 | { |
39644a26 | 3611 | dSP; dTARGET; |
a0d0e21e LW |
3612 | SV *sv = TOPs; |
3613 | STRLEN len; | |
3614 | register char *s = SvPV(sv,len); | |
3615 | register char *d; | |
79072805 | 3616 | |
7e2040f0 | 3617 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e LW |
3618 | if (len) { |
3619 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 3620 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 3621 | d = SvPVX(TARG); |
7e2040f0 | 3622 | if (DO_UTF8(sv)) { |
0dd2cdef | 3623 | while (len) { |
fd400ab9 | 3624 | if (UTF8_IS_CONTINUED(*s)) { |
0dd2cdef LW |
3625 | STRLEN ulen = UTF8SKIP(s); |
3626 | if (ulen > len) | |
3627 | ulen = len; | |
3628 | len -= ulen; | |
3629 | while (ulen--) | |
3630 | *d++ = *s++; | |
3631 | } | |
3632 | else { | |
3633 | if (!isALNUM(*s)) | |
3634 | *d++ = '\\'; | |
3635 | *d++ = *s++; | |
3636 | len--; | |
3637 | } | |
3638 | } | |
7e2040f0 | 3639 | SvUTF8_on(TARG); |
0dd2cdef LW |
3640 | } |
3641 | else { | |
3642 | while (len--) { | |
3643 | if (!isALNUM(*s)) | |
3644 | *d++ = '\\'; | |
3645 | *d++ = *s++; | |
3646 | } | |
79072805 | 3647 | } |
a0d0e21e LW |
3648 | *d = '\0'; |
3649 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
3aa33fe5 | 3650 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 3651 | } |
a0d0e21e LW |
3652 | else |
3653 | sv_setpvn(TARG, s, len); | |
3654 | SETs(TARG); | |
31351b04 JS |
3655 | if (SvSMAGICAL(TARG)) |
3656 | mg_set(TARG); | |
79072805 LW |
3657 | RETURN; |
3658 | } | |
3659 | ||
a0d0e21e | 3660 | /* Arrays. */ |
79072805 | 3661 | |
a0d0e21e | 3662 | PP(pp_aslice) |
79072805 | 3663 | { |
39644a26 | 3664 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3665 | register SV** svp; |
3666 | register AV* av = (AV*)POPs; | |
78f9721b | 3667 | register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); |
3280af22 | 3668 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 3669 | I32 elem; |
79072805 | 3670 | |
a0d0e21e | 3671 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 3672 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 3673 | I32 max = -1; |
924508f0 | 3674 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
3675 | elem = SvIVx(*svp); |
3676 | if (elem > max) | |
3677 | max = elem; | |
3678 | } | |
3679 | if (max > AvMAX(av)) | |
3680 | av_extend(av, max); | |
3681 | } | |
a0d0e21e | 3682 | while (++MARK <= SP) { |
748a9306 | 3683 | elem = SvIVx(*MARK); |
a0d0e21e | 3684 | |
748a9306 LW |
3685 | if (elem > 0) |
3686 | elem -= arybase; | |
a0d0e21e LW |
3687 | svp = av_fetch(av, elem, lval); |
3688 | if (lval) { | |
3280af22 | 3689 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 3690 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 3691 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 3692 | save_aelem(av, elem, svp); |
79072805 | 3693 | } |
3280af22 | 3694 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3695 | } |
3696 | } | |
748a9306 | 3697 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
3698 | MARK = ORIGMARK; |
3699 | *++MARK = *SP; | |
3700 | SP = MARK; | |
3701 | } | |
79072805 LW |
3702 | RETURN; |
3703 | } | |
3704 | ||
3705 | /* Associative arrays. */ | |
3706 | ||
3707 | PP(pp_each) | |
3708 | { | |
39644a26 | 3709 | dSP; |
79072805 | 3710 | HV *hash = (HV*)POPs; |
c07a80fd | 3711 | HE *entry; |
54310121 | 3712 | I32 gimme = GIMME_V; |
8ec5e241 | 3713 | |
c07a80fd | 3714 | PUTBACK; |
c750a3ec | 3715 | /* might clobber stack_sp */ |
6d822dc4 | 3716 | entry = hv_iternext(hash); |
c07a80fd | 3717 | SPAGAIN; |
79072805 | 3718 | |
79072805 LW |
3719 | EXTEND(SP, 2); |
3720 | if (entry) { | |
574c8022 | 3721 | SV* sv = hv_iterkeysv(entry); |
574c8022 | 3722 | PUSHs(sv); /* won't clobber stack_sp */ |
54310121 | 3723 | if (gimme == G_ARRAY) { |
59af0135 | 3724 | SV *val; |
c07a80fd | 3725 | PUTBACK; |
c750a3ec | 3726 | /* might clobber stack_sp */ |
6d822dc4 | 3727 | val = hv_iterval(hash, entry); |
c07a80fd | 3728 | SPAGAIN; |
59af0135 | 3729 | PUSHs(val); |