Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
eb1102fc | 3 | * Copyright (c) 1991-2002, Larry Wall |
79072805 | 4 | * |
a0d0e21e LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
79072805 | 7 | * |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "It's a big house this, and very peculiar. Always a bit more to discover, | |
12 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise | |
13 | */ | |
79072805 LW |
14 | |
15 | #include "EXTERN.h" | |
864dbfa3 | 16 | #define PERL_IN_PP_C |
79072805 | 17 | #include "perl.h" |
77bc9082 | 18 | #include "keywords.h" |
79072805 | 19 | |
a0d0e21e | 20 | /* variations on pp_null */ |
79072805 | 21 | |
dfe9444c AD |
22 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ |
23 | it, since pid_t is an integral type. | |
24 | --AD 2/20/1998 | |
25 | */ | |
26 | #ifdef NEED_GETPID_PROTO | |
27 | extern Pid_t getpid (void); | |
8ac85365 NIS |
28 | #endif |
29 | ||
93a17b20 LW |
30 | PP(pp_stub) |
31 | { | |
39644a26 | 32 | dSP; |
54310121 | 33 | if (GIMME_V == G_SCALAR) |
3280af22 | 34 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
35 | RETURN; |
36 | } | |
37 | ||
79072805 LW |
38 | PP(pp_scalar) |
39 | { | |
40 | return NORMAL; | |
41 | } | |
42 | ||
43 | /* Pushy stuff. */ | |
44 | ||
93a17b20 LW |
45 | PP(pp_padav) |
46 | { | |
39644a26 | 47 | dSP; dTARGET; |
533c011a NIS |
48 | if (PL_op->op_private & OPpLVAL_INTRO) |
49 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
85e6fe83 | 50 | EXTEND(SP, 1); |
533c011a | 51 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 52 | PUSHs(TARG); |
93a17b20 | 53 | RETURN; |
78f9721b SM |
54 | } else if (LVRET) { |
55 | if (GIMME == G_SCALAR) | |
56 | Perl_croak(aTHX_ "Can't return array to lvalue scalar context"); | |
57 | PUSHs(TARG); | |
58 | RETURN; | |
85e6fe83 LW |
59 | } |
60 | if (GIMME == G_ARRAY) { | |
61 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
62 | EXTEND(SP, maxarg); | |
93965878 NIS |
63 | if (SvMAGICAL(TARG)) { |
64 | U32 i; | |
65 | for (i=0; i < maxarg; i++) { | |
66 | SV **svp = av_fetch((AV*)TARG, i, FALSE); | |
3280af22 | 67 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
68 | } |
69 | } | |
70 | else { | |
71 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
72 | } | |
85e6fe83 LW |
73 | SP += maxarg; |
74 | } | |
75 | else { | |
76 | SV* sv = sv_newmortal(); | |
77 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
78 | sv_setiv(sv, maxarg); | |
79 | PUSHs(sv); | |
80 | } | |
81 | RETURN; | |
93a17b20 LW |
82 | } |
83 | ||
84 | PP(pp_padhv) | |
85 | { | |
39644a26 | 86 | dSP; dTARGET; |
54310121 | 87 | I32 gimme; |
88 | ||
93a17b20 | 89 | XPUSHs(TARG); |
533c011a NIS |
90 | if (PL_op->op_private & OPpLVAL_INTRO) |
91 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
92 | if (PL_op->op_flags & OPf_REF) | |
93a17b20 | 93 | RETURN; |
78f9721b SM |
94 | else if (LVRET) { |
95 | if (GIMME == G_SCALAR) | |
96 | Perl_croak(aTHX_ "Can't return hash to lvalue scalar context"); | |
97 | RETURN; | |
98 | } | |
54310121 | 99 | gimme = GIMME_V; |
100 | if (gimme == G_ARRAY) { | |
cea2e8a9 | 101 | RETURNOP(do_kv()); |
85e6fe83 | 102 | } |
54310121 | 103 | else if (gimme == G_SCALAR) { |
85e6fe83 | 104 | SV* sv = sv_newmortal(); |
46fc3d4c | 105 | if (HvFILL((HV*)TARG)) |
cea2e8a9 | 106 | Perl_sv_setpvf(aTHX_ sv, "%ld/%ld", |
46fc3d4c | 107 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); |
85e6fe83 LW |
108 | else |
109 | sv_setiv(sv, 0); | |
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; | |
160 | SV *namesv = PL_curpad[cUNOP->op_targ]; | |
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 | { | |
39644a26 | 210 | dSP; dTOPss; |
79072805 | 211 | |
ed6116ce | 212 | if (SvROK(sv)) { |
a0d0e21e | 213 | wasref: |
f5284f61 IZ |
214 | tryAMAGICunDEREF(to_sv); |
215 | ||
ed6116ce | 216 | sv = SvRV(sv); |
79072805 LW |
217 | switch (SvTYPE(sv)) { |
218 | case SVt_PVAV: | |
219 | case SVt_PVHV: | |
220 | case SVt_PVCV: | |
cea2e8a9 | 221 | DIE(aTHX_ "Not a SCALAR reference"); |
79072805 LW |
222 | } |
223 | } | |
224 | else { | |
f12c7020 | 225 | GV *gv = (GV*)sv; |
748a9306 | 226 | char *sym; |
c9d5ac95 | 227 | STRLEN len; |
748a9306 | 228 | |
463ee0b2 | 229 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
230 | if (SvGMAGICAL(sv)) { |
231 | mg_get(sv); | |
232 | if (SvROK(sv)) | |
233 | goto wasref; | |
234 | } | |
235 | if (!SvOK(sv)) { | |
533c011a NIS |
236 | if (PL_op->op_flags & OPf_REF || |
237 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 238 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
599cee73 | 239 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 240 | report_uninit(); |
a0d0e21e LW |
241 | RETSETUNDEF; |
242 | } | |
c9d5ac95 | 243 | sym = SvPV(sv, len); |
35cd451c GS |
244 | if ((PL_op->op_flags & OPf_SPECIAL) && |
245 | !(PL_op->op_flags & OPf_MOD)) | |
246 | { | |
247 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); | |
c9d5ac95 GS |
248 | if (!gv |
249 | && (!is_gv_magical(sym,len,0) | |
250 | || !(gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV)))) | |
251 | { | |
35cd451c | 252 | RETSETUNDEF; |
c9d5ac95 | 253 | } |
35cd451c GS |
254 | } |
255 | else { | |
256 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 257 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
35cd451c GS |
258 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
259 | } | |
463ee0b2 LW |
260 | } |
261 | sv = GvSV(gv); | |
a0d0e21e | 262 | } |
533c011a NIS |
263 | if (PL_op->op_flags & OPf_MOD) { |
264 | if (PL_op->op_private & OPpLVAL_INTRO) | |
a0d0e21e | 265 | sv = save_scalar((GV*)TOPs); |
533c011a NIS |
266 | else if (PL_op->op_private & OPpDEREF) |
267 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 268 | } |
a0d0e21e | 269 | SETs(sv); |
79072805 LW |
270 | RETURN; |
271 | } | |
272 | ||
273 | PP(pp_av2arylen) | |
274 | { | |
39644a26 | 275 | dSP; |
79072805 LW |
276 | AV *av = (AV*)TOPs; |
277 | SV *sv = AvARYLEN(av); | |
278 | if (!sv) { | |
279 | AvARYLEN(av) = sv = NEWSV(0,0); | |
280 | sv_upgrade(sv, SVt_IV); | |
14befaf4 | 281 | sv_magic(sv, (SV*)av, PERL_MAGIC_arylen, Nullch, 0); |
79072805 LW |
282 | } |
283 | SETs(sv); | |
284 | RETURN; | |
285 | } | |
286 | ||
a0d0e21e LW |
287 | PP(pp_pos) |
288 | { | |
39644a26 | 289 | dSP; dTARGET; dPOPss; |
8ec5e241 | 290 | |
78f9721b | 291 | if (PL_op->op_flags & OPf_MOD || LVRET) { |
5f05dabc | 292 | if (SvTYPE(TARG) < SVt_PVLV) { |
293 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 294 | sv_magic(TARG, Nullsv, PERL_MAGIC_pos, Nullch, 0); |
5f05dabc | 295 | } |
296 | ||
297 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
298 | if (LvTARG(TARG) != sv) { |
299 | if (LvTARG(TARG)) | |
300 | SvREFCNT_dec(LvTARG(TARG)); | |
301 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
302 | } | |
a0d0e21e LW |
303 | PUSHs(TARG); /* no SvSETMAGIC */ |
304 | RETURN; | |
305 | } | |
306 | else { | |
8ec5e241 | 307 | MAGIC* mg; |
a0d0e21e LW |
308 | |
309 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
14befaf4 | 310 | mg = mg_find(sv, PERL_MAGIC_regex_global); |
565764a8 | 311 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 | 312 | I32 i = mg->mg_len; |
7e2040f0 | 313 | if (DO_UTF8(sv)) |
a0ed51b3 LW |
314 | sv_pos_b2u(sv, &i); |
315 | PUSHi(i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
316 | RETURN; |
317 | } | |
318 | } | |
319 | RETPUSHUNDEF; | |
320 | } | |
321 | } | |
322 | ||
79072805 LW |
323 | PP(pp_rv2cv) |
324 | { | |
39644a26 | 325 | dSP; |
79072805 LW |
326 | GV *gv; |
327 | HV *stash; | |
8990e307 | 328 | |
4633a7c4 LW |
329 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
330 | /* (But not in defined().) */ | |
533c011a | 331 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
07055b4c CS |
332 | if (cv) { |
333 | if (CvCLONE(cv)) | |
334 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
d32f2495 SC |
335 | if ((PL_op->op_private & OPpLVAL_INTRO)) { |
336 | if (gv && GvCV(gv) == cv && (gv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), FALSE))) | |
337 | cv = GvCV(gv); | |
338 | if (!CvLVALUE(cv)) | |
339 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); | |
340 | } | |
07055b4c CS |
341 | } |
342 | else | |
3280af22 | 343 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
344 | SETs((SV*)cv); |
345 | RETURN; | |
346 | } | |
347 | ||
c07a80fd | 348 | PP(pp_prototype) |
349 | { | |
39644a26 | 350 | dSP; |
c07a80fd | 351 | CV *cv; |
352 | HV *stash; | |
353 | GV *gv; | |
354 | SV *ret; | |
355 | ||
3280af22 | 356 | ret = &PL_sv_undef; |
b6c543e3 IZ |
357 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
358 | char *s = SvPVX(TOPs); | |
359 | if (strnEQ(s, "CORE::", 6)) { | |
360 | int code; | |
b13b2135 | 361 | |
b6c543e3 IZ |
362 | code = keyword(s + 6, SvCUR(TOPs) - 6); |
363 | if (code < 0) { /* Overridable. */ | |
364 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
365 | int i = 0, n = 0, seen_question = 0; | |
366 | I32 oa; | |
367 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
368 | ||
77bc9082 RGS |
369 | if (code == -KEY_chop || code == -KEY_chomp) |
370 | goto set; | |
b6c543e3 | 371 | while (i < MAXO) { /* The slow way. */ |
22c35a8c GS |
372 | if (strEQ(s + 6, PL_op_name[i]) |
373 | || strEQ(s + 6, PL_op_desc[i])) | |
374 | { | |
b6c543e3 | 375 | goto found; |
22c35a8c | 376 | } |
b6c543e3 IZ |
377 | i++; |
378 | } | |
379 | goto nonesuch; /* Should not happen... */ | |
380 | found: | |
22c35a8c | 381 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 | 382 | while (oa) { |
3012a639 | 383 | if (oa & OA_OPTIONAL && !seen_question) { |
b6c543e3 IZ |
384 | seen_question = 1; |
385 | str[n++] = ';'; | |
ef54e1a4 | 386 | } |
b13b2135 | 387 | else if (n && str[0] == ';' && seen_question) |
b6c543e3 | 388 | goto set; /* XXXX system, exec */ |
b13b2135 | 389 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
6e97e420 SC |
390 | && (oa & (OA_OPTIONAL - 1)) <= OA_SCALARREF |
391 | /* But globs are already references (kinda) */ | |
392 | && (oa & (OA_OPTIONAL - 1)) != OA_FILEREF | |
393 | ) { | |
b6c543e3 IZ |
394 | str[n++] = '\\'; |
395 | } | |
b6c543e3 IZ |
396 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; |
397 | oa = oa >> 4; | |
398 | } | |
399 | str[n++] = '\0'; | |
79cb57f6 | 400 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
401 | } |
402 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
403 | goto set; |
404 | else { /* None such */ | |
405 | nonesuch: | |
d470f89e | 406 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
407 | } |
408 | } | |
409 | } | |
c07a80fd | 410 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 411 | if (cv && SvPOK(cv)) |
79cb57f6 | 412 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
b6c543e3 | 413 | set: |
c07a80fd | 414 | SETs(ret); |
415 | RETURN; | |
416 | } | |
417 | ||
a0d0e21e LW |
418 | PP(pp_anoncode) |
419 | { | |
39644a26 | 420 | dSP; |
533c011a | 421 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
a5f75d66 | 422 | if (CvCLONE(cv)) |
b355b4e0 | 423 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 424 | EXTEND(SP,1); |
748a9306 | 425 | PUSHs((SV*)cv); |
a0d0e21e LW |
426 | RETURN; |
427 | } | |
428 | ||
429 | PP(pp_srefgen) | |
79072805 | 430 | { |
39644a26 | 431 | dSP; |
71be2cbc | 432 | *SP = refto(*SP); |
79072805 | 433 | RETURN; |
8ec5e241 | 434 | } |
a0d0e21e LW |
435 | |
436 | PP(pp_refgen) | |
437 | { | |
39644a26 | 438 | dSP; dMARK; |
a0d0e21e | 439 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
440 | if (++MARK <= SP) |
441 | *MARK = *SP; | |
442 | else | |
3280af22 | 443 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
444 | *MARK = refto(*MARK); |
445 | SP = MARK; | |
446 | RETURN; | |
a0d0e21e | 447 | } |
bbce6d69 | 448 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 449 | while (++MARK <= SP) |
450 | *MARK = refto(*MARK); | |
a0d0e21e | 451 | RETURN; |
79072805 LW |
452 | } |
453 | ||
76e3520e | 454 | STATIC SV* |
cea2e8a9 | 455 | S_refto(pTHX_ SV *sv) |
71be2cbc | 456 | { |
457 | SV* rv; | |
458 | ||
459 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
460 | if (LvTARGLEN(sv)) | |
68dc0745 | 461 | vivify_defelem(sv); |
462 | if (!(sv = LvTARG(sv))) | |
3280af22 | 463 | sv = &PL_sv_undef; |
0dd88869 | 464 | else |
a6c40364 | 465 | (void)SvREFCNT_inc(sv); |
71be2cbc | 466 | } |
d8b46c1b GS |
467 | else if (SvTYPE(sv) == SVt_PVAV) { |
468 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
469 | av_reify((AV*)sv); | |
470 | SvTEMP_off(sv); | |
471 | (void)SvREFCNT_inc(sv); | |
472 | } | |
f2933f5f DM |
473 | else if (SvPADTMP(sv) && !IS_PADGV(sv)) |
474 | sv = newSVsv(sv); | |
71be2cbc | 475 | else { |
476 | SvTEMP_off(sv); | |
477 | (void)SvREFCNT_inc(sv); | |
478 | } | |
479 | rv = sv_newmortal(); | |
480 | sv_upgrade(rv, SVt_RV); | |
481 | SvRV(rv) = sv; | |
482 | SvROK_on(rv); | |
483 | return rv; | |
484 | } | |
485 | ||
79072805 LW |
486 | PP(pp_ref) |
487 | { | |
39644a26 | 488 | dSP; dTARGET; |
463ee0b2 | 489 | SV *sv; |
79072805 LW |
490 | char *pv; |
491 | ||
a0d0e21e | 492 | sv = POPs; |
f12c7020 | 493 | |
494 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 495 | mg_get(sv); |
f12c7020 | 496 | |
a0d0e21e | 497 | if (!sv || !SvROK(sv)) |
4633a7c4 | 498 | RETPUSHNO; |
79072805 | 499 | |
ed6116ce | 500 | sv = SvRV(sv); |
a0d0e21e | 501 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 502 | PUSHp(pv, strlen(pv)); |
79072805 LW |
503 | RETURN; |
504 | } | |
505 | ||
506 | PP(pp_bless) | |
507 | { | |
39644a26 | 508 | dSP; |
463ee0b2 | 509 | HV *stash; |
79072805 | 510 | |
463ee0b2 | 511 | if (MAXARG == 1) |
11faa288 | 512 | stash = CopSTASH(PL_curcop); |
7b8d334a GS |
513 | else { |
514 | SV *ssv = POPs; | |
515 | STRLEN len; | |
81689caa HS |
516 | char *ptr; |
517 | ||
016a42f3 | 518 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
81689caa HS |
519 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
520 | ptr = SvPV(ssv,len); | |
e476b1b5 | 521 | if (ckWARN(WARN_MISC) && len == 0) |
b13b2135 | 522 | Perl_warner(aTHX_ WARN_MISC, |
599cee73 | 523 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
524 | stash = gv_stashpvn(ptr, len, TRUE); |
525 | } | |
a0d0e21e | 526 | |
5d3fdfeb | 527 | (void)sv_bless(TOPs, stash); |
79072805 LW |
528 | RETURN; |
529 | } | |
530 | ||
fb73857a | 531 | PP(pp_gelem) |
532 | { | |
533 | GV *gv; | |
534 | SV *sv; | |
76e3520e | 535 | SV *tmpRef; |
fb73857a | 536 | char *elem; |
39644a26 | 537 | dSP; |
2d8e6c8d | 538 | STRLEN n_a; |
b13b2135 | 539 | |
fb73857a | 540 | sv = POPs; |
2d8e6c8d | 541 | elem = SvPV(sv, n_a); |
fb73857a | 542 | gv = (GV*)POPs; |
76e3520e | 543 | tmpRef = Nullsv; |
fb73857a | 544 | sv = Nullsv; |
545 | switch (elem ? *elem : '\0') | |
546 | { | |
547 | case 'A': | |
548 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 549 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 550 | break; |
551 | case 'C': | |
552 | if (strEQ(elem, "CODE")) | |
76e3520e | 553 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 554 | break; |
555 | case 'F': | |
39b99f21 | 556 | if (strEQ(elem, "FILEHANDLE")) { |
557 | /* finally deprecated in 5.8.0 */ | |
12bcd1a6 | 558 | deprecate_old("*glob{FILEHANDLE}"); |
76e3520e | 559 | tmpRef = (SV*)GvIOp(gv); |
39b99f21 | 560 | } |
f4d13ee9 JH |
561 | else |
562 | if (strEQ(elem, "FORMAT")) | |
563 | tmpRef = (SV*)GvFORM(gv); | |
fb73857a | 564 | break; |
565 | case 'G': | |
566 | if (strEQ(elem, "GLOB")) | |
76e3520e | 567 | tmpRef = (SV*)gv; |
fb73857a | 568 | break; |
569 | case 'H': | |
570 | if (strEQ(elem, "HASH")) | |
76e3520e | 571 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 572 | break; |
573 | case 'I': | |
574 | if (strEQ(elem, "IO")) | |
76e3520e | 575 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 576 | break; |
577 | case 'N': | |
578 | if (strEQ(elem, "NAME")) | |
79cb57f6 | 579 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
fb73857a | 580 | break; |
581 | case 'P': | |
582 | if (strEQ(elem, "PACKAGE")) | |
583 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
584 | break; | |
585 | case 'S': | |
586 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 587 | tmpRef = GvSV(gv); |
fb73857a | 588 | break; |
589 | } | |
76e3520e GS |
590 | if (tmpRef) |
591 | sv = newRV(tmpRef); | |
fb73857a | 592 | if (sv) |
593 | sv_2mortal(sv); | |
594 | else | |
3280af22 | 595 | sv = &PL_sv_undef; |
fb73857a | 596 | XPUSHs(sv); |
597 | RETURN; | |
598 | } | |
599 | ||
a0d0e21e | 600 | /* Pattern matching */ |
79072805 | 601 | |
a0d0e21e | 602 | PP(pp_study) |
79072805 | 603 | { |
39644a26 | 604 | dSP; dPOPss; |
a0d0e21e LW |
605 | register unsigned char *s; |
606 | register I32 pos; | |
607 | register I32 ch; | |
608 | register I32 *sfirst; | |
609 | register I32 *snext; | |
a0d0e21e LW |
610 | STRLEN len; |
611 | ||
3280af22 | 612 | if (sv == PL_lastscream) { |
1e422769 | 613 | if (SvSCREAM(sv)) |
614 | RETPUSHYES; | |
615 | } | |
c07a80fd | 616 | else { |
3280af22 NIS |
617 | if (PL_lastscream) { |
618 | SvSCREAM_off(PL_lastscream); | |
619 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 620 | } |
3280af22 | 621 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 622 | } |
1e422769 | 623 | |
624 | s = (unsigned char*)(SvPV(sv, len)); | |
625 | pos = len; | |
626 | if (pos <= 0) | |
627 | RETPUSHNO; | |
3280af22 NIS |
628 | if (pos > PL_maxscream) { |
629 | if (PL_maxscream < 0) { | |
630 | PL_maxscream = pos + 80; | |
631 | New(301, PL_screamfirst, 256, I32); | |
632 | New(302, PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
633 | } |
634 | else { | |
3280af22 NIS |
635 | PL_maxscream = pos + pos / 4; |
636 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 637 | } |
79072805 | 638 | } |
a0d0e21e | 639 | |
3280af22 NIS |
640 | sfirst = PL_screamfirst; |
641 | snext = PL_screamnext; | |
a0d0e21e LW |
642 | |
643 | if (!sfirst || !snext) | |
cea2e8a9 | 644 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
645 | |
646 | for (ch = 256; ch; --ch) | |
647 | *sfirst++ = -1; | |
648 | sfirst -= 256; | |
649 | ||
650 | while (--pos >= 0) { | |
651 | ch = s[pos]; | |
652 | if (sfirst[ch] >= 0) | |
653 | snext[pos] = sfirst[ch] - pos; | |
654 | else | |
655 | snext[pos] = -pos; | |
656 | sfirst[ch] = pos; | |
79072805 LW |
657 | } |
658 | ||
c07a80fd | 659 | SvSCREAM_on(sv); |
14befaf4 DM |
660 | /* piggyback on m//g magic */ |
661 | sv_magic(sv, Nullsv, PERL_MAGIC_regex_global, Nullch, 0); | |
1e422769 | 662 | RETPUSHYES; |
79072805 LW |
663 | } |
664 | ||
a0d0e21e | 665 | PP(pp_trans) |
79072805 | 666 | { |
39644a26 | 667 | dSP; dTARG; |
a0d0e21e LW |
668 | SV *sv; |
669 | ||
533c011a | 670 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 671 | sv = POPs; |
79072805 | 672 | else { |
54b9620d | 673 | sv = DEFSV; |
a0d0e21e | 674 | EXTEND(SP,1); |
79072805 | 675 | } |
adbc6bb1 | 676 | TARG = sv_newmortal(); |
4757a243 | 677 | PUSHi(do_trans(sv)); |
a0d0e21e | 678 | RETURN; |
79072805 LW |
679 | } |
680 | ||
a0d0e21e | 681 | /* Lvalue operators. */ |
79072805 | 682 | |
a0d0e21e LW |
683 | PP(pp_schop) |
684 | { | |
39644a26 | 685 | dSP; dTARGET; |
a0d0e21e LW |
686 | do_chop(TARG, TOPs); |
687 | SETTARG; | |
688 | RETURN; | |
79072805 LW |
689 | } |
690 | ||
a0d0e21e | 691 | PP(pp_chop) |
79072805 | 692 | { |
2ec6af5f RG |
693 | dSP; dMARK; dTARGET; dORIGMARK; |
694 | while (MARK < SP) | |
695 | do_chop(TARG, *++MARK); | |
696 | SP = ORIGMARK; | |
a0d0e21e LW |
697 | PUSHTARG; |
698 | RETURN; | |
79072805 LW |
699 | } |
700 | ||
a0d0e21e | 701 | PP(pp_schomp) |
79072805 | 702 | { |
39644a26 | 703 | dSP; dTARGET; |
a0d0e21e LW |
704 | SETi(do_chomp(TOPs)); |
705 | RETURN; | |
79072805 LW |
706 | } |
707 | ||
a0d0e21e | 708 | PP(pp_chomp) |
79072805 | 709 | { |
39644a26 | 710 | dSP; dMARK; dTARGET; |
a0d0e21e | 711 | register I32 count = 0; |
8ec5e241 | 712 | |
a0d0e21e LW |
713 | while (SP > MARK) |
714 | count += do_chomp(POPs); | |
715 | PUSHi(count); | |
716 | RETURN; | |
79072805 LW |
717 | } |
718 | ||
a0d0e21e | 719 | PP(pp_defined) |
463ee0b2 | 720 | { |
39644a26 | 721 | dSP; |
a0d0e21e LW |
722 | register SV* sv; |
723 | ||
724 | sv = POPs; | |
725 | if (!sv || !SvANY(sv)) | |
726 | RETPUSHNO; | |
727 | switch (SvTYPE(sv)) { | |
728 | case SVt_PVAV: | |
14befaf4 DM |
729 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) |
730 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
a0d0e21e LW |
731 | RETPUSHYES; |
732 | break; | |
733 | case SVt_PVHV: | |
14befaf4 DM |
734 | if (HvARRAY(sv) || SvGMAGICAL(sv) |
735 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
a0d0e21e LW |
736 | RETPUSHYES; |
737 | break; | |
738 | case SVt_PVCV: | |
739 | if (CvROOT(sv) || CvXSUB(sv)) | |
740 | RETPUSHYES; | |
741 | break; | |
742 | default: | |
743 | if (SvGMAGICAL(sv)) | |
744 | mg_get(sv); | |
745 | if (SvOK(sv)) | |
746 | RETPUSHYES; | |
747 | } | |
748 | RETPUSHNO; | |
463ee0b2 LW |
749 | } |
750 | ||
a0d0e21e LW |
751 | PP(pp_undef) |
752 | { | |
39644a26 | 753 | dSP; |
a0d0e21e LW |
754 | SV *sv; |
755 | ||
533c011a | 756 | if (!PL_op->op_private) { |
774d564b | 757 | EXTEND(SP, 1); |
a0d0e21e | 758 | RETPUSHUNDEF; |
774d564b | 759 | } |
79072805 | 760 | |
a0d0e21e LW |
761 | sv = POPs; |
762 | if (!sv) | |
763 | RETPUSHUNDEF; | |
85e6fe83 | 764 | |
6fc92669 GS |
765 | if (SvTHINKFIRST(sv)) |
766 | sv_force_normal(sv); | |
85e6fe83 | 767 | |
a0d0e21e LW |
768 | switch (SvTYPE(sv)) { |
769 | case SVt_NULL: | |
770 | break; | |
771 | case SVt_PVAV: | |
772 | av_undef((AV*)sv); | |
773 | break; | |
774 | case SVt_PVHV: | |
775 | hv_undef((HV*)sv); | |
776 | break; | |
777 | case SVt_PVCV: | |
e476b1b5 GS |
778 | if (ckWARN(WARN_MISC) && cv_const_sv((CV*)sv)) |
779 | Perl_warner(aTHX_ WARN_MISC, "Constant subroutine %s undefined", | |
54310121 | 780 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 781 | /* FALL THROUGH */ |
782 | case SVt_PVFM: | |
6fc92669 GS |
783 | { |
784 | /* let user-undef'd sub keep its identity */ | |
65c50114 | 785 | GV* gv = CvGV((CV*)sv); |
6fc92669 GS |
786 | cv_undef((CV*)sv); |
787 | CvGV((CV*)sv) = gv; | |
788 | } | |
a0d0e21e | 789 | break; |
8e07c86e | 790 | case SVt_PVGV: |
44a8e56a | 791 | if (SvFAKE(sv)) |
3280af22 | 792 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
793 | else { |
794 | GP *gp; | |
795 | gp_free((GV*)sv); | |
796 | Newz(602, gp, 1, GP); | |
797 | GvGP(sv) = gp_ref(gp); | |
798 | GvSV(sv) = NEWSV(72,0); | |
57843af0 | 799 | GvLINE(sv) = CopLINE(PL_curcop); |
20408e3c GS |
800 | GvEGV(sv) = (GV*)sv; |
801 | GvMULTI_on(sv); | |
802 | } | |
44a8e56a | 803 | break; |
a0d0e21e | 804 | default: |
1e422769 | 805 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
806 | (void)SvOOK_off(sv); |
807 | Safefree(SvPVX(sv)); | |
808 | SvPV_set(sv, Nullch); | |
809 | SvLEN_set(sv, 0); | |
a0d0e21e | 810 | } |
4633a7c4 LW |
811 | (void)SvOK_off(sv); |
812 | SvSETMAGIC(sv); | |
79072805 | 813 | } |
a0d0e21e LW |
814 | |
815 | RETPUSHUNDEF; | |
79072805 LW |
816 | } |
817 | ||
a0d0e21e | 818 | PP(pp_predec) |
79072805 | 819 | { |
39644a26 | 820 | dSP; |
3510b4a1 | 821 | if (SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 822 | DIE(aTHX_ PL_no_modify); |
3510b4a1 NC |
823 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
824 | && SvIVX(TOPs) != IV_MIN) | |
55497cff | 825 | { |
748a9306 | 826 | --SvIVX(TOPs); |
55497cff | 827 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
828 | } |
829 | else | |
830 | sv_dec(TOPs); | |
a0d0e21e LW |
831 | SvSETMAGIC(TOPs); |
832 | return NORMAL; | |
833 | } | |
79072805 | 834 | |
a0d0e21e LW |
835 | PP(pp_postinc) |
836 | { | |
39644a26 | 837 | dSP; dTARGET; |
3510b4a1 | 838 | if (SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 839 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 840 | sv_setsv(TARG, TOPs); |
3510b4a1 NC |
841 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
842 | && SvIVX(TOPs) != IV_MAX) | |
55497cff | 843 | { |
748a9306 | 844 | ++SvIVX(TOPs); |
55497cff | 845 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
846 | } |
847 | else | |
848 | sv_inc(TOPs); | |
a0d0e21e LW |
849 | SvSETMAGIC(TOPs); |
850 | if (!SvOK(TARG)) | |
851 | sv_setiv(TARG, 0); | |
852 | SETs(TARG); | |
853 | return NORMAL; | |
854 | } | |
79072805 | 855 | |
a0d0e21e LW |
856 | PP(pp_postdec) |
857 | { | |
39644a26 | 858 | dSP; dTARGET; |
3510b4a1 | 859 | if (SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 860 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 861 | sv_setsv(TARG, TOPs); |
3510b4a1 NC |
862 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
863 | && SvIVX(TOPs) != IV_MIN) | |
55497cff | 864 | { |
748a9306 | 865 | --SvIVX(TOPs); |
55497cff | 866 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
867 | } |
868 | else | |
869 | sv_dec(TOPs); | |
a0d0e21e LW |
870 | SvSETMAGIC(TOPs); |
871 | SETs(TARG); | |
872 | return NORMAL; | |
873 | } | |
79072805 | 874 | |
a0d0e21e LW |
875 | /* Ordinary operators. */ |
876 | ||
877 | PP(pp_pow) | |
878 | { | |
39644a26 | 879 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
880 | { |
881 | dPOPTOPnnrl; | |
73b309ea | 882 | SETn( Perl_pow( left, right) ); |
a0d0e21e | 883 | RETURN; |
93a17b20 | 884 | } |
a0d0e21e LW |
885 | } |
886 | ||
887 | PP(pp_multiply) | |
888 | { | |
39644a26 | 889 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
28e5dec8 JH |
890 | #ifdef PERL_PRESERVE_IVUV |
891 | SvIV_please(TOPs); | |
892 | if (SvIOK(TOPs)) { | |
893 | /* Unless the left argument is integer in range we are going to have to | |
894 | use NV maths. Hence only attempt to coerce the right argument if | |
895 | we know the left is integer. */ | |
896 | /* Left operand is defined, so is it IV? */ | |
897 | SvIV_please(TOPm1s); | |
898 | if (SvIOK(TOPm1s)) { | |
899 | bool auvok = SvUOK(TOPm1s); | |
900 | bool buvok = SvUOK(TOPs); | |
901 | const UV topmask = (~ (UV)0) << (4 * sizeof (UV)); | |
902 | const UV botmask = ~((~ (UV)0) << (4 * sizeof (UV))); | |
903 | UV alow; | |
904 | UV ahigh; | |
905 | UV blow; | |
906 | UV bhigh; | |
907 | ||
908 | if (auvok) { | |
909 | alow = SvUVX(TOPm1s); | |
910 | } else { | |
911 | IV aiv = SvIVX(TOPm1s); | |
912 | if (aiv >= 0) { | |
913 | alow = aiv; | |
914 | auvok = TRUE; /* effectively it's a UV now */ | |
915 | } else { | |
916 | alow = -aiv; /* abs, auvok == false records sign */ | |
917 | } | |
918 | } | |
919 | if (buvok) { | |
920 | blow = SvUVX(TOPs); | |
921 | } else { | |
922 | IV biv = SvIVX(TOPs); | |
923 | if (biv >= 0) { | |
924 | blow = biv; | |
925 | buvok = TRUE; /* effectively it's a UV now */ | |
926 | } else { | |
927 | blow = -biv; /* abs, buvok == false records sign */ | |
928 | } | |
929 | } | |
930 | ||
931 | /* If this does sign extension on unsigned it's time for plan B */ | |
932 | ahigh = alow >> (4 * sizeof (UV)); | |
933 | alow &= botmask; | |
934 | bhigh = blow >> (4 * sizeof (UV)); | |
935 | blow &= botmask; | |
936 | if (ahigh && bhigh) { | |
937 | /* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000 | |
938 | which is overflow. Drop to NVs below. */ | |
939 | } else if (!ahigh && !bhigh) { | |
940 | /* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001 | |
941 | so the unsigned multiply cannot overflow. */ | |
942 | UV product = alow * blow; | |
943 | if (auvok == buvok) { | |
944 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
945 | SP--; | |
946 | SETu( product ); | |
947 | RETURN; | |
948 | } else if (product <= (UV)IV_MIN) { | |
949 | /* 2s complement assumption that (UV)-IV_MIN is correct. */ | |
950 | /* -ve result, which could overflow an IV */ | |
951 | SP--; | |
25716404 | 952 | SETi( -(IV)product ); |
28e5dec8 JH |
953 | RETURN; |
954 | } /* else drop to NVs below. */ | |
955 | } else { | |
956 | /* One operand is large, 1 small */ | |
957 | UV product_middle; | |
958 | if (bhigh) { | |
959 | /* swap the operands */ | |
960 | ahigh = bhigh; | |
961 | bhigh = blow; /* bhigh now the temp var for the swap */ | |
962 | blow = alow; | |
963 | alow = bhigh; | |
964 | } | |
965 | /* now, ((ahigh * blow) << half_UV_len) + (alow * blow) | |
966 | multiplies can't overflow. shift can, add can, -ve can. */ | |
967 | product_middle = ahigh * blow; | |
968 | if (!(product_middle & topmask)) { | |
969 | /* OK, (ahigh * blow) won't lose bits when we shift it. */ | |
970 | UV product_low; | |
971 | product_middle <<= (4 * sizeof (UV)); | |
972 | product_low = alow * blow; | |
973 | ||
974 | /* as for pp_add, UV + something mustn't get smaller. | |
975 | IIRC ANSI mandates this wrapping *behaviour* for | |
976 | unsigned whatever the actual representation*/ | |
977 | product_low += product_middle; | |
978 | if (product_low >= product_middle) { | |
979 | /* didn't overflow */ | |
980 | if (auvok == buvok) { | |
981 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
982 | SP--; | |
983 | SETu( product_low ); | |
984 | RETURN; | |
985 | } else if (product_low <= (UV)IV_MIN) { | |
986 | /* 2s complement assumption again */ | |
987 | /* -ve result, which could overflow an IV */ | |
988 | SP--; | |
25716404 | 989 | SETi( -(IV)product_low ); |
28e5dec8 JH |
990 | RETURN; |
991 | } /* else drop to NVs below. */ | |
992 | } | |
993 | } /* product_middle too large */ | |
994 | } /* ahigh && bhigh */ | |
995 | } /* SvIOK(TOPm1s) */ | |
996 | } /* SvIOK(TOPs) */ | |
997 | #endif | |
a0d0e21e LW |
998 | { |
999 | dPOPTOPnnrl; | |
1000 | SETn( left * right ); | |
1001 | RETURN; | |
79072805 | 1002 | } |
a0d0e21e LW |
1003 | } |
1004 | ||
1005 | PP(pp_divide) | |
1006 | { | |
39644a26 | 1007 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
5479d192 | 1008 | /* Only try to do UV divide first |
68795e93 | 1009 | if ((SLOPPYDIVIDE is true) or |
5479d192 NC |
1010 | (PERL_PRESERVE_IVUV is true and one or both SV is a UV too large |
1011 | to preserve)) | |
1012 | The assumption is that it is better to use floating point divide | |
1013 | whenever possible, only doing integer divide first if we can't be sure. | |
1014 | If NV_PRESERVES_UV is true then we know at compile time that no UV | |
1015 | can be too large to preserve, so don't need to compile the code to | |
1016 | test the size of UVs. */ | |
1017 | ||
a0d0e21e | 1018 | #ifdef SLOPPYDIVIDE |
5479d192 NC |
1019 | # define PERL_TRY_UV_DIVIDE |
1020 | /* ensure that 20./5. == 4. */ | |
a0d0e21e | 1021 | #else |
5479d192 NC |
1022 | # ifdef PERL_PRESERVE_IVUV |
1023 | # ifndef NV_PRESERVES_UV | |
1024 | # define PERL_TRY_UV_DIVIDE | |
1025 | # endif | |
1026 | # endif | |
a0d0e21e | 1027 | #endif |
5479d192 NC |
1028 | |
1029 | #ifdef PERL_TRY_UV_DIVIDE | |
1030 | SvIV_please(TOPs); | |
1031 | if (SvIOK(TOPs)) { | |
1032 | SvIV_please(TOPm1s); | |
1033 | if (SvIOK(TOPm1s)) { | |
1034 | bool left_non_neg = SvUOK(TOPm1s); | |
1035 | bool right_non_neg = SvUOK(TOPs); | |
1036 | UV left; | |
1037 | UV right; | |
1038 | ||
1039 | if (right_non_neg) { | |
1040 | right = SvUVX(TOPs); | |
1041 | } | |
1042 | else { | |
1043 | IV biv = SvIVX(TOPs); | |
1044 | if (biv >= 0) { | |
1045 | right = biv; | |
1046 | right_non_neg = TRUE; /* effectively it's a UV now */ | |
1047 | } | |
1048 | else { | |
1049 | right = -biv; | |
1050 | } | |
1051 | } | |
1052 | /* historically undef()/0 gives a "Use of uninitialized value" | |
1053 | warning before dieing, hence this test goes here. | |
1054 | If it were immediately before the second SvIV_please, then | |
1055 | DIE() would be invoked before left was even inspected, so | |
1056 | no inpsection would give no warning. */ | |
1057 | if (right == 0) | |
1058 | DIE(aTHX_ "Illegal division by zero"); | |
1059 | ||
1060 | if (left_non_neg) { | |
1061 | left = SvUVX(TOPm1s); | |
1062 | } | |
1063 | else { | |
1064 | IV aiv = SvIVX(TOPm1s); | |
1065 | if (aiv >= 0) { | |
1066 | left = aiv; | |
1067 | left_non_neg = TRUE; /* effectively it's a UV now */ | |
1068 | } | |
1069 | else { | |
1070 | left = -aiv; | |
1071 | } | |
1072 | } | |
1073 | ||
1074 | if (left >= right | |
1075 | #ifdef SLOPPYDIVIDE | |
1076 | /* For sloppy divide we always attempt integer division. */ | |
1077 | #else | |
1078 | /* Otherwise we only attempt it if either or both operands | |
1079 | would not be preserved by an NV. If both fit in NVs | |
0c2ee62a NC |
1080 | we fall through to the NV divide code below. However, |
1081 | as left >= right to ensure integer result here, we know that | |
1082 | we can skip the test on the right operand - right big | |
1083 | enough not to be preserved can't get here unless left is | |
1084 | also too big. */ | |
1085 | ||
1086 | && (left > ((UV)1 << NV_PRESERVES_UV_BITS)) | |
5479d192 NC |
1087 | #endif |
1088 | ) { | |
1089 | /* Integer division can't overflow, but it can be imprecise. */ | |
1090 | UV result = left / right; | |
1091 | if (result * right == left) { | |
1092 | SP--; /* result is valid */ | |
1093 | if (left_non_neg == right_non_neg) { | |
1094 | /* signs identical, result is positive. */ | |
1095 | SETu( result ); | |
1096 | RETURN; | |
1097 | } | |
1098 | /* 2s complement assumption */ | |
1099 | if (result <= (UV)IV_MIN) | |
1100 | SETi( -result ); | |
1101 | else { | |
1102 | /* It's exact but too negative for IV. */ | |
1103 | SETn( -(NV)result ); | |
1104 | } | |
1105 | RETURN; | |
1106 | } /* tried integer divide but it was not an integer result */ | |
1107 | } /* else (abs(result) < 1.0) or (both UVs in range for NV) */ | |
1108 | } /* left wasn't SvIOK */ | |
1109 | } /* right wasn't SvIOK */ | |
1110 | #endif /* PERL_TRY_UV_DIVIDE */ | |
1111 | { | |
1112 | dPOPPOPnnrl; | |
1113 | if (right == 0.0) | |
1114 | DIE(aTHX_ "Illegal division by zero"); | |
1115 | PUSHn( left / right ); | |
1116 | RETURN; | |
79072805 | 1117 | } |
a0d0e21e LW |
1118 | } |
1119 | ||
1120 | PP(pp_modulo) | |
1121 | { | |
39644a26 | 1122 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 1123 | { |
9c5ffd7c JH |
1124 | UV left = 0; |
1125 | UV right = 0; | |
dc656993 JH |
1126 | bool left_neg = FALSE; |
1127 | bool right_neg = FALSE; | |
e2c88acc NC |
1128 | bool use_double = FALSE; |
1129 | bool dright_valid = FALSE; | |
9c5ffd7c JH |
1130 | NV dright = 0.0; |
1131 | NV dleft = 0.0; | |
787eafbd | 1132 | |
e2c88acc NC |
1133 | SvIV_please(TOPs); |
1134 | if (SvIOK(TOPs)) { | |
1135 | right_neg = !SvUOK(TOPs); | |
1136 | if (!right_neg) { | |
1137 | right = SvUVX(POPs); | |
1138 | } else { | |
1139 | IV biv = SvIVX(POPs); | |
1140 | if (biv >= 0) { | |
1141 | right = biv; | |
1142 | right_neg = FALSE; /* effectively it's a UV now */ | |
1143 | } else { | |
1144 | right = -biv; | |
1145 | } | |
1146 | } | |
1147 | } | |
1148 | else { | |
787eafbd | 1149 | dright = POPn; |
787eafbd IZ |
1150 | right_neg = dright < 0; |
1151 | if (right_neg) | |
1152 | dright = -dright; | |
e2c88acc NC |
1153 | if (dright < UV_MAX_P1) { |
1154 | right = U_V(dright); | |
1155 | dright_valid = TRUE; /* In case we need to use double below. */ | |
1156 | } else { | |
1157 | use_double = TRUE; | |
1158 | } | |
787eafbd | 1159 | } |
a0d0e21e | 1160 | |
e2c88acc NC |
1161 | /* At this point use_double is only true if right is out of range for |
1162 | a UV. In range NV has been rounded down to nearest UV and | |
1163 | use_double false. */ | |
1164 | SvIV_please(TOPs); | |
1165 | if (!use_double && SvIOK(TOPs)) { | |
1166 | if (SvIOK(TOPs)) { | |
1167 | left_neg = !SvUOK(TOPs); | |
1168 | if (!left_neg) { | |
1169 | left = SvUVX(POPs); | |
1170 | } else { | |
1171 | IV aiv = SvIVX(POPs); | |
1172 | if (aiv >= 0) { | |
1173 | left = aiv; | |
1174 | left_neg = FALSE; /* effectively it's a UV now */ | |
1175 | } else { | |
1176 | left = -aiv; | |
1177 | } | |
1178 | } | |
1179 | } | |
1180 | } | |
787eafbd IZ |
1181 | else { |
1182 | dleft = POPn; | |
787eafbd IZ |
1183 | left_neg = dleft < 0; |
1184 | if (left_neg) | |
1185 | dleft = -dleft; | |
68dc0745 | 1186 | |
e2c88acc NC |
1187 | /* This should be exactly the 5.6 behaviour - if left and right are |
1188 | both in range for UV then use U_V() rather than floor. */ | |
1189 | if (!use_double) { | |
1190 | if (dleft < UV_MAX_P1) { | |
1191 | /* right was in range, so is dleft, so use UVs not double. | |
1192 | */ | |
1193 | left = U_V(dleft); | |
1194 | } | |
1195 | /* left is out of range for UV, right was in range, so promote | |
1196 | right (back) to double. */ | |
1197 | else { | |
1198 | /* The +0.5 is used in 5.6 even though it is not strictly | |
1199 | consistent with the implicit +0 floor in the U_V() | |
1200 | inside the #if 1. */ | |
1201 | dleft = Perl_floor(dleft + 0.5); | |
1202 | use_double = TRUE; | |
1203 | if (dright_valid) | |
1204 | dright = Perl_floor(dright + 0.5); | |
1205 | else | |
1206 | dright = right; | |
1207 | } | |
1208 | } | |
1209 | } | |
787eafbd | 1210 | if (use_double) { |
65202027 | 1211 | NV dans; |
787eafbd | 1212 | |
787eafbd | 1213 | if (!dright) |
cea2e8a9 | 1214 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd | 1215 | |
65202027 | 1216 | dans = Perl_fmod(dleft, dright); |
787eafbd IZ |
1217 | if ((left_neg != right_neg) && dans) |
1218 | dans = dright - dans; | |
1219 | if (right_neg) | |
1220 | dans = -dans; | |
1221 | sv_setnv(TARG, dans); | |
1222 | } | |
1223 | else { | |
1224 | UV ans; | |
1225 | ||
787eafbd | 1226 | if (!right) |
cea2e8a9 | 1227 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1228 | |
1229 | ans = left % right; | |
1230 | if ((left_neg != right_neg) && ans) | |
1231 | ans = right - ans; | |
1232 | if (right_neg) { | |
1233 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1234 | /* could change -foo to be (~foo)+1 instead */ | |
1235 | if (ans <= ~((UV)IV_MAX)+1) | |
1236 | sv_setiv(TARG, ~ans+1); | |
1237 | else | |
65202027 | 1238 | sv_setnv(TARG, -(NV)ans); |
787eafbd IZ |
1239 | } |
1240 | else | |
1241 | sv_setuv(TARG, ans); | |
1242 | } | |
1243 | PUSHTARG; | |
1244 | RETURN; | |
79072805 | 1245 | } |
a0d0e21e | 1246 | } |
79072805 | 1247 | |
a0d0e21e LW |
1248 | PP(pp_repeat) |
1249 | { | |
39644a26 | 1250 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1251 | { |
467f0320 | 1252 | register IV count = POPi; |
533c011a | 1253 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
1254 | dMARK; |
1255 | I32 items = SP - MARK; | |
1256 | I32 max; | |
79072805 | 1257 | |
a0d0e21e LW |
1258 | max = items * count; |
1259 | MEXTEND(MARK, max); | |
1260 | if (count > 1) { | |
1261 | while (SP > MARK) { | |
976c8a39 JH |
1262 | #if 0 |
1263 | /* This code was intended to fix 20010809.028: | |
1264 | ||
1265 | $x = 'abcd'; | |
1266 | for (($x =~ /./g) x 2) { | |
1267 | print chop; # "abcdabcd" expected as output. | |
1268 | } | |
1269 | ||
1270 | * but that change (#11635) broke this code: | |
1271 | ||
1272 | $x = [("foo")x2]; # only one "foo" ended up in the anonlist. | |
1273 | ||
1274 | * I can't think of a better fix that doesn't introduce | |
1275 | * an efficiency hit by copying the SVs. The stack isn't | |
1276 | * refcounted, and mortalisation obviously doesn't | |
1277 | * Do The Right Thing when the stack has more than | |
1278 | * one pointer to the same mortal value. | |
1279 | * .robin. | |
1280 | */ | |
e30acc16 RH |
1281 | if (*SP) { |
1282 | *SP = sv_2mortal(newSVsv(*SP)); | |
1283 | SvREADONLY_on(*SP); | |
1284 | } | |
976c8a39 JH |
1285 | #else |
1286 | if (*SP) | |
1287 | SvTEMP_off((*SP)); | |
1288 | #endif | |
a0d0e21e | 1289 | SP--; |
79072805 | 1290 | } |
a0d0e21e LW |
1291 | MARK++; |
1292 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1293 | items * sizeof(SV*), count - 1); | |
1294 | SP += max; | |
79072805 | 1295 | } |
a0d0e21e LW |
1296 | else if (count <= 0) |
1297 | SP -= items; | |
79072805 | 1298 | } |
a0d0e21e | 1299 | else { /* Note: mark already snarfed by pp_list */ |
dfcb284a | 1300 | SV *tmpstr = POPs; |
a0d0e21e | 1301 | STRLEN len; |
9b877dbb | 1302 | bool isutf; |
a0d0e21e | 1303 | |
a0d0e21e LW |
1304 | SvSetSV(TARG, tmpstr); |
1305 | SvPV_force(TARG, len); | |
9b877dbb | 1306 | isutf = DO_UTF8(TARG); |
8ebc5c01 | 1307 | if (count != 1) { |
1308 | if (count < 1) | |
1309 | SvCUR_set(TARG, 0); | |
1310 | else { | |
1311 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1312 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1313 | SvCUR(TARG) *= count; |
7a4c00b4 | 1314 | } |
a0d0e21e | 1315 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1316 | } |
dfcb284a GS |
1317 | if (isutf) |
1318 | (void)SvPOK_only_UTF8(TARG); | |
1319 | else | |
1320 | (void)SvPOK_only(TARG); | |
b80b6069 RH |
1321 | |
1322 | if (PL_op->op_private & OPpREPEAT_DOLIST) { | |
1323 | /* The parser saw this as a list repeat, and there | |
1324 | are probably several items on the stack. But we're | |
1325 | in scalar context, and there's no pp_list to save us | |
1326 | now. So drop the rest of the items -- robin@kitsite.com | |
1327 | */ | |
1328 | dMARK; | |
1329 | SP = MARK; | |
1330 | } | |
a0d0e21e | 1331 | PUSHTARG; |
79072805 | 1332 | } |
a0d0e21e | 1333 | RETURN; |
748a9306 | 1334 | } |
a0d0e21e | 1335 | } |
79072805 | 1336 | |
a0d0e21e LW |
1337 | PP(pp_subtract) |
1338 | { | |
39644a26 | 1339 | dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
28e5dec8 JH |
1340 | useleft = USE_LEFT(TOPm1s); |
1341 | #ifdef PERL_PRESERVE_IVUV | |
7dca457a NC |
1342 | /* See comments in pp_add (in pp_hot.c) about Overflow, and how |
1343 | "bad things" happen if you rely on signed integers wrapping. */ | |
28e5dec8 JH |
1344 | SvIV_please(TOPs); |
1345 | if (SvIOK(TOPs)) { | |
1346 | /* Unless the left argument is integer in range we are going to have to | |
1347 | use NV maths. Hence only attempt to coerce the right argument if | |
1348 | we know the left is integer. */ | |
9c5ffd7c JH |
1349 | register UV auv = 0; |
1350 | bool auvok = FALSE; | |
7dca457a NC |
1351 | bool a_valid = 0; |
1352 | ||
28e5dec8 | 1353 | if (!useleft) { |
7dca457a NC |
1354 | auv = 0; |
1355 | a_valid = auvok = 1; | |
1356 | /* left operand is undef, treat as zero. */ | |
28e5dec8 JH |
1357 | } else { |
1358 | /* Left operand is defined, so is it IV? */ | |
1359 | SvIV_please(TOPm1s); | |
1360 | if (SvIOK(TOPm1s)) { | |
7dca457a NC |
1361 | if ((auvok = SvUOK(TOPm1s))) |
1362 | auv = SvUVX(TOPm1s); | |
1363 | else { | |
1364 | register IV aiv = SvIVX(TOPm1s); | |
1365 | if (aiv >= 0) { | |
1366 | auv = aiv; | |
1367 | auvok = 1; /* Now acting as a sign flag. */ | |
1368 | } else { /* 2s complement assumption for IV_MIN */ | |
1369 | auv = (UV)-aiv; | |
28e5dec8 | 1370 | } |
7dca457a NC |
1371 | } |
1372 | a_valid = 1; | |
1373 | } | |
1374 | } | |
1375 | if (a_valid) { | |
1376 | bool result_good = 0; | |
1377 | UV result; | |
1378 | register UV buv; | |
1379 | bool buvok = SvUOK(TOPs); | |
9041c2e3 | 1380 | |
7dca457a NC |
1381 | if (buvok) |
1382 | buv = SvUVX(TOPs); | |
1383 | else { | |
1384 | register IV biv = SvIVX(TOPs); | |
1385 | if (biv >= 0) { | |
1386 | buv = biv; | |
1387 | buvok = 1; | |
1388 | } else | |
1389 | buv = (UV)-biv; | |
1390 | } | |
1391 | /* ?uvok if value is >= 0. basically, flagged as UV if it's +ve, | |
1392 | else "IV" now, independant of how it came in. | |
1393 | if a, b represents positive, A, B negative, a maps to -A etc | |
1394 | a - b => (a - b) | |
1395 | A - b => -(a + b) | |
1396 | a - B => (a + b) | |
1397 | A - B => -(a - b) | |
1398 | all UV maths. negate result if A negative. | |
1399 | subtract if signs same, add if signs differ. */ | |
1400 | ||
1401 | if (auvok ^ buvok) { | |
1402 | /* Signs differ. */ | |
1403 | result = auv + buv; | |
1404 | if (result >= auv) | |
1405 | result_good = 1; | |
1406 | } else { | |
1407 | /* Signs same */ | |
1408 | if (auv >= buv) { | |
1409 | result = auv - buv; | |
1410 | /* Must get smaller */ | |
1411 | if (result <= auv) | |
1412 | result_good = 1; | |
1413 | } else { | |
1414 | result = buv - auv; | |
1415 | if (result <= buv) { | |
1416 | /* result really should be -(auv-buv). as its negation | |
1417 | of true value, need to swap our result flag */ | |
1418 | auvok = !auvok; | |
1419 | result_good = 1; | |
28e5dec8 | 1420 | } |
28e5dec8 JH |
1421 | } |
1422 | } | |
7dca457a NC |
1423 | if (result_good) { |
1424 | SP--; | |
1425 | if (auvok) | |
1426 | SETu( result ); | |
1427 | else { | |
1428 | /* Negate result */ | |
1429 | if (result <= (UV)IV_MIN) | |
1430 | SETi( -(IV)result ); | |
1431 | else { | |
1432 | /* result valid, but out of range for IV. */ | |
1433 | SETn( -(NV)result ); | |
1434 | } | |
1435 | } | |
1436 | RETURN; | |
1437 | } /* Overflow, drop through to NVs. */ | |
28e5dec8 JH |
1438 | } |
1439 | } | |
1440 | #endif | |
7dca457a | 1441 | useleft = USE_LEFT(TOPm1s); |
a0d0e21e | 1442 | { |
28e5dec8 JH |
1443 | dPOPnv; |
1444 | if (!useleft) { | |
1445 | /* left operand is undef, treat as zero - value */ | |
1446 | SETn(-value); | |
1447 | RETURN; | |
1448 | } | |
1449 | SETn( TOPn - value ); | |
1450 | RETURN; | |
79072805 | 1451 | } |
a0d0e21e | 1452 | } |
79072805 | 1453 | |
a0d0e21e LW |
1454 | PP(pp_left_shift) |
1455 | { | |
39644a26 | 1456 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1457 | { |
972b05a9 | 1458 | IV shift = POPi; |
d0ba1bd2 | 1459 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1460 | IV i = TOPi; |
1461 | SETi(i << shift); | |
d0ba1bd2 JH |
1462 | } |
1463 | else { | |
972b05a9 JH |
1464 | UV u = TOPu; |
1465 | SETu(u << shift); | |
d0ba1bd2 | 1466 | } |
55497cff | 1467 | RETURN; |
79072805 | 1468 | } |
a0d0e21e | 1469 | } |
79072805 | 1470 | |
a0d0e21e LW |
1471 | PP(pp_right_shift) |
1472 | { | |
39644a26 | 1473 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1474 | { |
972b05a9 | 1475 | IV shift = POPi; |
d0ba1bd2 | 1476 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1477 | IV i = TOPi; |
1478 | SETi(i >> shift); | |
d0ba1bd2 JH |
1479 | } |
1480 | else { | |
972b05a9 JH |
1481 | UV u = TOPu; |
1482 | SETu(u >> shift); | |
d0ba1bd2 | 1483 | } |
a0d0e21e | 1484 | RETURN; |
93a17b20 | 1485 | } |
79072805 LW |
1486 | } |
1487 | ||
a0d0e21e | 1488 | PP(pp_lt) |
79072805 | 1489 | { |
39644a26 | 1490 | dSP; tryAMAGICbinSET(lt,0); |
28e5dec8 JH |
1491 | #ifdef PERL_PRESERVE_IVUV |
1492 | SvIV_please(TOPs); | |
1493 | if (SvIOK(TOPs)) { | |
1494 | SvIV_please(TOPm1s); | |
1495 | if (SvIOK(TOPm1s)) { | |
1496 | bool auvok = SvUOK(TOPm1s); | |
1497 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1498 | |
28e5dec8 JH |
1499 | if (!auvok && !buvok) { /* ## IV < IV ## */ |
1500 | IV aiv = SvIVX(TOPm1s); | |
1501 | IV biv = SvIVX(TOPs); | |
1502 | ||
1503 | SP--; | |
1504 | SETs(boolSV(aiv < biv)); | |
1505 | RETURN; | |
1506 | } | |
1507 | if (auvok && buvok) { /* ## UV < UV ## */ | |
1508 | UV auv = SvUVX(TOPm1s); | |
1509 | UV buv = SvUVX(TOPs); | |
1510 | ||
1511 | SP--; | |
1512 | SETs(boolSV(auv < buv)); | |
1513 | RETURN; | |
1514 | } | |
1515 | if (auvok) { /* ## UV < IV ## */ | |
1516 | UV auv; | |
1517 | IV biv; | |
1518 | ||
1519 | biv = SvIVX(TOPs); | |
1520 | SP--; | |
1521 | if (biv < 0) { | |
1522 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1523 | SETs(&PL_sv_no); | |
1524 | RETURN; | |
1525 | } | |
1526 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1527 | SETs(boolSV(auv < (UV)biv)); |
1528 | RETURN; | |
1529 | } | |
1530 | { /* ## IV < UV ## */ | |
1531 | IV aiv; | |
1532 | UV buv; | |
1533 | ||
1534 | aiv = SvIVX(TOPm1s); | |
1535 | if (aiv < 0) { | |
1536 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1537 | SP--; | |
1538 | SETs(&PL_sv_yes); | |
1539 | RETURN; | |
1540 | } | |
1541 | buv = SvUVX(TOPs); | |
1542 | SP--; | |
28e5dec8 JH |
1543 | SETs(boolSV((UV)aiv < buv)); |
1544 | RETURN; | |
1545 | } | |
1546 | } | |
1547 | } | |
1548 | #endif | |
30de85b6 | 1549 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1550 | #ifdef PERL_PRESERVE_IVUV |
1551 | else | |
1552 | #endif | |
1553 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
1554 | SP--; | |
1555 | SETs(boolSV(SvRV(TOPs) < SvRV(TOPp1s))); | |
1556 | RETURN; | |
1557 | } | |
30de85b6 | 1558 | #endif |
a0d0e21e LW |
1559 | { |
1560 | dPOPnv; | |
54310121 | 1561 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1562 | RETURN; |
79072805 | 1563 | } |
a0d0e21e | 1564 | } |
79072805 | 1565 | |
a0d0e21e LW |
1566 | PP(pp_gt) |
1567 | { | |
39644a26 | 1568 | dSP; tryAMAGICbinSET(gt,0); |
28e5dec8 JH |
1569 | #ifdef PERL_PRESERVE_IVUV |
1570 | SvIV_please(TOPs); | |
1571 | if (SvIOK(TOPs)) { | |
1572 | SvIV_please(TOPm1s); | |
1573 | if (SvIOK(TOPm1s)) { | |
1574 | bool auvok = SvUOK(TOPm1s); | |
1575 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1576 | |
28e5dec8 JH |
1577 | if (!auvok && !buvok) { /* ## IV > IV ## */ |
1578 | IV aiv = SvIVX(TOPm1s); | |
1579 | IV biv = SvIVX(TOPs); | |
1580 | ||
1581 | SP--; | |
1582 | SETs(boolSV(aiv > biv)); | |
1583 | RETURN; | |
1584 | } | |
1585 | if (auvok && buvok) { /* ## UV > UV ## */ | |
1586 | UV auv = SvUVX(TOPm1s); | |
1587 | UV buv = SvUVX(TOPs); | |
1588 | ||
1589 | SP--; | |
1590 | SETs(boolSV(auv > buv)); | |
1591 | RETURN; | |
1592 | } | |
1593 | if (auvok) { /* ## UV > IV ## */ | |
1594 | UV auv; | |
1595 | IV biv; | |
1596 | ||
1597 | biv = SvIVX(TOPs); | |
1598 | SP--; | |
1599 | if (biv < 0) { | |
1600 | /* As (a) is a UV, it's >=0, so it must be > */ | |
1601 | SETs(&PL_sv_yes); | |
1602 | RETURN; | |
1603 | } | |
1604 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1605 | SETs(boolSV(auv > (UV)biv)); |
1606 | RETURN; | |
1607 | } | |
1608 | { /* ## IV > UV ## */ | |
1609 | IV aiv; | |
1610 | UV buv; | |
1611 | ||
1612 | aiv = SvIVX(TOPm1s); | |
1613 | if (aiv < 0) { | |
1614 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
1615 | SP--; | |
1616 | SETs(&PL_sv_no); | |
1617 | RETURN; | |
1618 | } | |
1619 | buv = SvUVX(TOPs); | |
1620 | SP--; | |
28e5dec8 JH |
1621 | SETs(boolSV((UV)aiv > buv)); |
1622 | RETURN; | |
1623 | } | |
1624 | } | |
1625 | } | |
1626 | #endif | |
30de85b6 | 1627 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1628 | #ifdef PERL_PRESERVE_IVUV |
1629 | else | |
1630 | #endif | |
1631 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
30de85b6 NC |
1632 | SP--; |
1633 | SETs(boolSV(SvRV(TOPs) > SvRV(TOPp1s))); | |
1634 | RETURN; | |
1635 | } | |
1636 | #endif | |
a0d0e21e LW |
1637 | { |
1638 | dPOPnv; | |
54310121 | 1639 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1640 | RETURN; |
79072805 | 1641 | } |
a0d0e21e LW |
1642 | } |
1643 | ||
1644 | PP(pp_le) | |
1645 | { | |
39644a26 | 1646 | dSP; tryAMAGICbinSET(le,0); |
28e5dec8 JH |
1647 | #ifdef PERL_PRESERVE_IVUV |
1648 | SvIV_please(TOPs); | |
1649 | if (SvIOK(TOPs)) { | |
1650 | SvIV_please(TOPm1s); | |
1651 | if (SvIOK(TOPm1s)) { | |
1652 | bool auvok = SvUOK(TOPm1s); | |
1653 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1654 | |
28e5dec8 JH |
1655 | if (!auvok && !buvok) { /* ## IV <= IV ## */ |
1656 | IV aiv = SvIVX(TOPm1s); | |
1657 | IV biv = SvIVX(TOPs); | |
1658 | ||
1659 | SP--; | |
1660 | SETs(boolSV(aiv <= biv)); | |
1661 | RETURN; | |
1662 | } | |
1663 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
1664 | UV auv = SvUVX(TOPm1s); | |
1665 | UV buv = SvUVX(TOPs); | |
1666 | ||
1667 | SP--; | |
1668 | SETs(boolSV(auv <= buv)); | |
1669 | RETURN; | |
1670 | } | |
1671 | if (auvok) { /* ## UV <= IV ## */ | |
1672 | UV auv; | |
1673 | IV biv; | |
1674 | ||
1675 | biv = SvIVX(TOPs); | |
1676 | SP--; | |
1677 | if (biv < 0) { | |
1678 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
1679 | SETs(&PL_sv_no); | |
1680 | RETURN; | |
1681 | } | |
1682 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1683 | SETs(boolSV(auv <= (UV)biv)); |
1684 | RETURN; | |
1685 | } | |
1686 | { /* ## IV <= UV ## */ | |
1687 | IV aiv; | |
1688 | UV buv; | |
1689 | ||
1690 | aiv = SvIVX(TOPm1s); | |
1691 | if (aiv < 0) { | |
1692 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
1693 | SP--; | |
1694 | SETs(&PL_sv_yes); | |
1695 | RETURN; | |
1696 | } | |
1697 | buv = SvUVX(TOPs); | |
1698 | SP--; | |
28e5dec8 JH |
1699 | SETs(boolSV((UV)aiv <= buv)); |
1700 | RETURN; | |
1701 | } | |
1702 | } | |
1703 | } | |
1704 | #endif | |
30de85b6 | 1705 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1706 | #ifdef PERL_PRESERVE_IVUV |
1707 | else | |
1708 | #endif | |
1709 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
30de85b6 NC |
1710 | SP--; |
1711 | SETs(boolSV(SvRV(TOPs) <= SvRV(TOPp1s))); | |
1712 | RETURN; | |
1713 | } | |
1714 | #endif | |
a0d0e21e LW |
1715 | { |
1716 | dPOPnv; | |
54310121 | 1717 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1718 | RETURN; |
79072805 | 1719 | } |
a0d0e21e LW |
1720 | } |
1721 | ||
1722 | PP(pp_ge) | |
1723 | { | |
39644a26 | 1724 | dSP; tryAMAGICbinSET(ge,0); |
28e5dec8 JH |
1725 | #ifdef PERL_PRESERVE_IVUV |
1726 | SvIV_please(TOPs); | |
1727 | if (SvIOK(TOPs)) { | |
1728 | SvIV_please(TOPm1s); | |
1729 | if (SvIOK(TOPm1s)) { | |
1730 | bool auvok = SvUOK(TOPm1s); | |
1731 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1732 | |
28e5dec8 JH |
1733 | if (!auvok && !buvok) { /* ## IV >= IV ## */ |
1734 | IV aiv = SvIVX(TOPm1s); | |
1735 | IV biv = SvIVX(TOPs); | |
1736 | ||
1737 | SP--; | |
1738 | SETs(boolSV(aiv >= biv)); | |
1739 | RETURN; | |
1740 | } | |
1741 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
1742 | UV auv = SvUVX(TOPm1s); | |
1743 | UV buv = SvUVX(TOPs); | |
1744 | ||
1745 | SP--; | |
1746 | SETs(boolSV(auv >= buv)); | |
1747 | RETURN; | |
1748 | } | |
1749 | if (auvok) { /* ## UV >= IV ## */ | |
1750 | UV auv; | |
1751 | IV biv; | |
1752 | ||
1753 | biv = SvIVX(TOPs); | |
1754 | SP--; | |
1755 | if (biv < 0) { | |
1756 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
1757 | SETs(&PL_sv_yes); | |
1758 | RETURN; | |
1759 | } | |
1760 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1761 | SETs(boolSV(auv >= (UV)biv)); |
1762 | RETURN; | |
1763 | } | |
1764 | { /* ## IV >= UV ## */ | |
1765 | IV aiv; | |
1766 | UV buv; | |
1767 | ||
1768 | aiv = SvIVX(TOPm1s); | |
1769 | if (aiv < 0) { | |
1770 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
1771 | SP--; | |
1772 | SETs(&PL_sv_no); | |
1773 | RETURN; | |
1774 | } | |
1775 | buv = SvUVX(TOPs); | |
1776 | SP--; | |
28e5dec8 JH |
1777 | SETs(boolSV((UV)aiv >= buv)); |
1778 | RETURN; | |
1779 | } | |
1780 | } | |
1781 | } | |
1782 | #endif | |
30de85b6 | 1783 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1784 | #ifdef PERL_PRESERVE_IVUV |
1785 | else | |
1786 | #endif | |
1787 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
30de85b6 NC |
1788 | SP--; |
1789 | SETs(boolSV(SvRV(TOPs) >= SvRV(TOPp1s))); | |
1790 | RETURN; | |
1791 | } | |
1792 | #endif | |
a0d0e21e LW |
1793 | { |
1794 | dPOPnv; | |
54310121 | 1795 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1796 | RETURN; |
79072805 | 1797 | } |
a0d0e21e | 1798 | } |
79072805 | 1799 | |
a0d0e21e LW |
1800 | PP(pp_ne) |
1801 | { | |
16303949 | 1802 | dSP; tryAMAGICbinSET(ne,0); |
3bb2c415 JH |
1803 | #ifndef NV_PRESERVES_UV |
1804 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
e61d22ef NC |
1805 | SP--; |
1806 | SETs(boolSV(SvRV(TOPs) != SvRV(TOPp1s))); | |
3bb2c415 JH |
1807 | RETURN; |
1808 | } | |
1809 | #endif | |
28e5dec8 JH |
1810 | #ifdef PERL_PRESERVE_IVUV |
1811 | SvIV_please(TOPs); | |
1812 | if (SvIOK(TOPs)) { | |
1813 | SvIV_please(TOPm1s); | |
1814 | if (SvIOK(TOPm1s)) { | |
1815 | bool auvok = SvUOK(TOPm1s); | |
1816 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1817 | |
30de85b6 NC |
1818 | if (auvok == buvok) { /* ## IV == IV or UV == UV ## */ |
1819 | /* Casting IV to UV before comparison isn't going to matter | |
1820 | on 2s complement. On 1s complement or sign&magnitude | |
1821 | (if we have any of them) it could make negative zero | |
1822 | differ from normal zero. As I understand it. (Need to | |
1823 | check - is negative zero implementation defined behaviour | |
1824 | anyway?). NWC */ | |
1825 | UV buv = SvUVX(POPs); | |
1826 | UV auv = SvUVX(TOPs); | |
28e5dec8 | 1827 | |
28e5dec8 JH |
1828 | SETs(boolSV(auv != buv)); |
1829 | RETURN; | |
1830 | } | |
1831 | { /* ## Mixed IV,UV ## */ | |
1832 | IV iv; | |
1833 | UV uv; | |
1834 | ||
1835 | /* != is commutative so swap if needed (save code) */ | |
1836 | if (auvok) { | |
1837 | /* swap. top of stack (b) is the iv */ | |
1838 | iv = SvIVX(TOPs); | |
1839 | SP--; | |
1840 | if (iv < 0) { | |
1841 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
1842 | SETs(&PL_sv_yes); | |
1843 | RETURN; | |
1844 | } | |
1845 | uv = SvUVX(TOPs); | |
1846 | } else { | |
1847 | iv = SvIVX(TOPm1s); | |
1848 | SP--; | |
1849 | if (iv < 0) { | |
1850 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
1851 | SETs(&PL_sv_yes); | |
1852 | RETURN; | |
1853 | } | |
1854 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
1855 | } | |
28e5dec8 JH |
1856 | SETs(boolSV((UV)iv != uv)); |
1857 | RETURN; | |
1858 | } | |
1859 | } | |
1860 | } | |
1861 | #endif | |
a0d0e21e LW |
1862 | { |
1863 | dPOPnv; | |
54310121 | 1864 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1865 | RETURN; |
1866 | } | |
79072805 LW |
1867 | } |
1868 | ||
a0d0e21e | 1869 | PP(pp_ncmp) |
79072805 | 1870 | { |
39644a26 | 1871 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
d8c7644e JH |
1872 | #ifndef NV_PRESERVES_UV |
1873 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
e61d22ef NC |
1874 | UV right = PTR2UV(SvRV(POPs)); |
1875 | UV left = PTR2UV(SvRV(TOPs)); | |
1876 | SETi((left > right) - (left < right)); | |
d8c7644e JH |
1877 | RETURN; |
1878 | } | |
1879 | #endif | |
28e5dec8 JH |
1880 | #ifdef PERL_PRESERVE_IVUV |
1881 | /* Fortunately it seems NaN isn't IOK */ | |
1882 | SvIV_please(TOPs); | |
1883 | if (SvIOK(TOPs)) { | |
1884 | SvIV_please(TOPm1s); | |
1885 | if (SvIOK(TOPm1s)) { | |
1886 | bool leftuvok = SvUOK(TOPm1s); | |
1887 | bool rightuvok = SvUOK(TOPs); | |
1888 | I32 value; | |
1889 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
1890 | IV leftiv = SvIVX(TOPm1s); | |
1891 | IV rightiv = SvIVX(TOPs); | |
1892 | ||
1893 | if (leftiv > rightiv) | |
1894 | value = 1; | |
1895 | else if (leftiv < rightiv) | |
1896 | value = -1; | |
1897 | else | |
1898 | value = 0; | |
1899 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
1900 | UV leftuv = SvUVX(TOPm1s); | |
1901 | UV rightuv = SvUVX(TOPs); | |
1902 | ||
1903 | if (leftuv > rightuv) | |
1904 | value = 1; | |
1905 | else if (leftuv < rightuv) | |
1906 | value = -1; | |
1907 | else | |
1908 | value = 0; | |
1909 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
1910 | UV leftuv; | |
1911 | IV rightiv; | |
1912 | ||
1913 | rightiv = SvIVX(TOPs); | |
1914 | if (rightiv < 0) { | |
1915 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1916 | value = 1; | |
1917 | } else { | |
1918 | leftuv = SvUVX(TOPm1s); | |
83bac5dd | 1919 | if (leftuv > (UV)rightiv) { |
28e5dec8 JH |
1920 | value = 1; |
1921 | } else if (leftuv < (UV)rightiv) { | |
1922 | value = -1; | |
1923 | } else { | |
1924 | value = 0; | |
1925 | } | |
1926 | } | |
1927 | } else { /* ## IV <=> UV ## */ | |
1928 | IV leftiv; | |
1929 | UV rightuv; | |
1930 | ||
1931 | leftiv = SvIVX(TOPm1s); | |
1932 | if (leftiv < 0) { | |
1933 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1934 | value = -1; | |
1935 | } else { | |
1936 | rightuv = SvUVX(TOPs); | |
83bac5dd | 1937 | if ((UV)leftiv > rightuv) { |
28e5dec8 | 1938 | value = 1; |
83bac5dd | 1939 | } else if ((UV)leftiv < rightuv) { |
28e5dec8 JH |
1940 | value = -1; |
1941 | } else { | |
1942 | value = 0; | |
1943 | } | |
1944 | } | |
1945 | } | |
1946 | SP--; | |
1947 | SETi(value); | |
1948 | RETURN; | |
1949 | } | |
1950 | } | |
1951 | #endif | |
a0d0e21e LW |
1952 | { |
1953 | dPOPTOPnnrl; | |
1954 | I32 value; | |
79072805 | 1955 | |
a3540c92 | 1956 | #ifdef Perl_isnan |
1ad04cfd JH |
1957 | if (Perl_isnan(left) || Perl_isnan(right)) { |
1958 | SETs(&PL_sv_undef); | |
1959 | RETURN; | |
1960 | } | |
1961 | value = (left > right) - (left < right); | |
1962 | #else | |
ff0cee69 | 1963 | if (left == right) |
a0d0e21e | 1964 | value = 0; |
a0d0e21e LW |
1965 | else if (left < right) |
1966 | value = -1; | |
44a8e56a | 1967 | else if (left > right) |
1968 | value = 1; | |
1969 | else { | |
3280af22 | 1970 | SETs(&PL_sv_undef); |
44a8e56a | 1971 | RETURN; |
1972 | } | |
1ad04cfd | 1973 | #endif |
a0d0e21e LW |
1974 | SETi(value); |
1975 | RETURN; | |
79072805 | 1976 | } |
a0d0e21e | 1977 | } |
79072805 | 1978 | |
a0d0e21e LW |
1979 | PP(pp_slt) |
1980 | { | |
39644a26 | 1981 | dSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1982 | { |
1983 | dPOPTOPssrl; | |
2de3dbcc | 1984 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 1985 | ? sv_cmp_locale(left, right) |
1986 | : sv_cmp(left, right)); | |
54310121 | 1987 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1988 | RETURN; |
1989 | } | |
79072805 LW |
1990 | } |
1991 | ||
a0d0e21e | 1992 | PP(pp_sgt) |
79072805 | 1993 | { |
39644a26 | 1994 | dSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1995 | { |
1996 | dPOPTOPssrl; | |
2de3dbcc | 1997 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 1998 | ? sv_cmp_locale(left, right) |
1999 | : sv_cmp(left, right)); | |
54310121 | 2000 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
2001 | RETURN; |
2002 | } | |
2003 | } | |
79072805 | 2004 | |
a0d0e21e LW |
2005 | PP(pp_sle) |
2006 | { | |
39644a26 | 2007 | dSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
2008 | { |
2009 | dPOPTOPssrl; | |
2de3dbcc | 2010 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2011 | ? sv_cmp_locale(left, right) |
2012 | : sv_cmp(left, right)); | |
54310121 | 2013 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 2014 | RETURN; |
79072805 | 2015 | } |
79072805 LW |
2016 | } |
2017 | ||
a0d0e21e LW |
2018 | PP(pp_sge) |
2019 | { | |
39644a26 | 2020 | dSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
2021 | { |
2022 | dPOPTOPssrl; | |
2de3dbcc | 2023 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2024 | ? sv_cmp_locale(left, right) |
2025 | : sv_cmp(left, right)); | |
54310121 | 2026 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
2027 | RETURN; |
2028 | } | |
2029 | } | |
79072805 | 2030 | |
36477c24 | 2031 | PP(pp_seq) |
2032 | { | |
39644a26 | 2033 | dSP; tryAMAGICbinSET(seq,0); |
36477c24 | 2034 | { |
2035 | dPOPTOPssrl; | |
54310121 | 2036 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
2037 | RETURN; |
2038 | } | |
2039 | } | |
79072805 | 2040 | |
a0d0e21e | 2041 | PP(pp_sne) |
79072805 | 2042 | { |
39644a26 | 2043 | dSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
2044 | { |
2045 | dPOPTOPssrl; | |
54310121 | 2046 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 2047 | RETURN; |
463ee0b2 | 2048 | } |
79072805 LW |
2049 | } |
2050 | ||
a0d0e21e | 2051 | PP(pp_scmp) |
79072805 | 2052 | { |
39644a26 | 2053 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
2054 | { |
2055 | dPOPTOPssrl; | |
2de3dbcc | 2056 | int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2057 | ? sv_cmp_locale(left, right) |
2058 | : sv_cmp(left, right)); | |
2059 | SETi( cmp ); | |
a0d0e21e LW |
2060 | RETURN; |
2061 | } | |
2062 | } | |
79072805 | 2063 | |
55497cff | 2064 | PP(pp_bit_and) |
2065 | { | |
39644a26 | 2066 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
2067 | { |
2068 | dPOPTOPssrl; | |
4633a7c4 | 2069 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2070 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2071 | IV i = SvIV(left) & SvIV(right); |
2072 | SETi(i); | |
d0ba1bd2 JH |
2073 | } |
2074 | else { | |
972b05a9 JH |
2075 | UV u = SvUV(left) & SvUV(right); |
2076 | SETu(u); | |
d0ba1bd2 | 2077 | } |
a0d0e21e LW |
2078 | } |
2079 | else { | |
533c011a | 2080 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2081 | SETTARG; |
2082 | } | |
2083 | RETURN; | |
2084 | } | |
2085 | } | |
79072805 | 2086 | |
a0d0e21e LW |
2087 | PP(pp_bit_xor) |
2088 | { | |
39644a26 | 2089 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
2090 | { |
2091 | dPOPTOPssrl; | |
4633a7c4 | 2092 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2093 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2094 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
2095 | SETi(i); | |
d0ba1bd2 JH |
2096 | } |
2097 | else { | |
972b05a9 JH |
2098 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
2099 | SETu(u); | |
d0ba1bd2 | 2100 | } |
a0d0e21e LW |
2101 | } |
2102 | else { | |
533c011a | 2103 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2104 | SETTARG; |
2105 | } | |
2106 | RETURN; | |
2107 | } | |
2108 | } | |
79072805 | 2109 | |
a0d0e21e LW |
2110 | PP(pp_bit_or) |
2111 | { | |
39644a26 | 2112 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
2113 | { |
2114 | dPOPTOPssrl; | |
4633a7c4 | 2115 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2116 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2117 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
2118 | SETi(i); | |
d0ba1bd2 JH |
2119 | } |
2120 | else { | |
972b05a9 JH |
2121 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
2122 | SETu(u); | |
d0ba1bd2 | 2123 | } |
a0d0e21e LW |
2124 | } |
2125 | else { | |
533c011a | 2126 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2127 | SETTARG; |
2128 | } | |
2129 | RETURN; | |
79072805 | 2130 | } |
a0d0e21e | 2131 | } |
79072805 | 2132 | |
a0d0e21e LW |
2133 | PP(pp_negate) |
2134 | { | |
39644a26 | 2135 | dSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
2136 | { |
2137 | dTOPss; | |
28e5dec8 | 2138 | int flags = SvFLAGS(sv); |
4633a7c4 LW |
2139 | if (SvGMAGICAL(sv)) |
2140 | mg_get(sv); | |
28e5dec8 JH |
2141 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
2142 | /* It's publicly an integer, or privately an integer-not-float */ | |
2143 | oops_its_an_int: | |
9b0e499b GS |
2144 | if (SvIsUV(sv)) { |
2145 | if (SvIVX(sv) == IV_MIN) { | |
28e5dec8 | 2146 | /* 2s complement assumption. */ |
9b0e499b GS |
2147 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
2148 | RETURN; | |
2149 | } | |
2150 | else if (SvUVX(sv) <= IV_MAX) { | |
beccb14c | 2151 | SETi(-SvIVX(sv)); |
9b0e499b GS |
2152 | RETURN; |
2153 | } | |
2154 | } | |
2155 | else if (SvIVX(sv) != IV_MIN) { | |
2156 | SETi(-SvIVX(sv)); | |
2157 | RETURN; | |
2158 | } | |
28e5dec8 JH |
2159 | #ifdef PERL_PRESERVE_IVUV |
2160 | else { | |
2161 | SETu((UV)IV_MIN); | |
2162 | RETURN; | |
2163 | } | |
2164 | #endif | |
9b0e499b GS |
2165 | } |
2166 | if (SvNIOKp(sv)) | |
a0d0e21e | 2167 | SETn(-SvNV(sv)); |
4633a7c4 | 2168 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
2169 | STRLEN len; |
2170 | char *s = SvPV(sv, len); | |
bbce6d69 | 2171 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
2172 | sv_setpvn(TARG, "-", 1); |
2173 | sv_catsv(TARG, sv); | |
79072805 | 2174 | } |
a0d0e21e LW |
2175 | else if (*s == '+' || *s == '-') { |
2176 | sv_setsv(TARG, sv); | |
2177 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 2178 | } |
8eb28a70 JH |
2179 | else if (DO_UTF8(sv)) { |
2180 | SvIV_please(sv); | |
2181 | if (SvIOK(sv)) | |
2182 | goto oops_its_an_int; | |
2183 | if (SvNOK(sv)) | |
2184 | sv_setnv(TARG, -SvNV(sv)); | |
2185 | else { | |
2186 | sv_setpvn(TARG, "-", 1); | |
2187 | sv_catsv(TARG, sv); | |
2188 | } | |
834a4ddd | 2189 | } |
28e5dec8 | 2190 | else { |
8eb28a70 JH |
2191 | SvIV_please(sv); |
2192 | if (SvIOK(sv)) | |
2193 | goto oops_its_an_int; | |
2194 | sv_setnv(TARG, -SvNV(sv)); | |
28e5dec8 | 2195 | } |
a0d0e21e | 2196 | SETTARG; |
79072805 | 2197 | } |
4633a7c4 LW |
2198 | else |
2199 | SETn(-SvNV(sv)); | |
79072805 | 2200 | } |
a0d0e21e | 2201 | RETURN; |
79072805 LW |
2202 | } |
2203 | ||
a0d0e21e | 2204 | PP(pp_not) |
79072805 | 2205 | { |
39644a26 | 2206 | dSP; tryAMAGICunSET(not); |
3280af22 | 2207 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 2208 | return NORMAL; |
79072805 LW |
2209 | } |
2210 | ||
a0d0e21e | 2211 | PP(pp_complement) |
79072805 | 2212 | { |
39644a26 | 2213 | dSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
2214 | { |
2215 | dTOPss; | |
4633a7c4 | 2216 | if (SvNIOKp(sv)) { |
d0ba1bd2 | 2217 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2218 | IV i = ~SvIV(sv); |
2219 | SETi(i); | |
d0ba1bd2 JH |
2220 | } |
2221 | else { | |
972b05a9 JH |
2222 | UV u = ~SvUV(sv); |
2223 | SETu(u); | |
d0ba1bd2 | 2224 | } |
a0d0e21e LW |
2225 | } |
2226 | else { | |
51723571 | 2227 | register U8 *tmps; |
55497cff | 2228 | register I32 anum; |
a0d0e21e LW |
2229 | STRLEN len; |
2230 | ||
2231 | SvSetSV(TARG, sv); | |
51723571 | 2232 | tmps = (U8*)SvPV_force(TARG, len); |
a0d0e21e | 2233 | anum = len; |
1d68d6cd | 2234 | if (SvUTF8(TARG)) { |
a1ca4561 | 2235 | /* Calculate exact length, let's not estimate. */ |
1d68d6cd SC |
2236 | STRLEN targlen = 0; |
2237 | U8 *result; | |
51723571 | 2238 | U8 *send; |
ba210ebe | 2239 | STRLEN l; |
a1ca4561 YST |
2240 | UV nchar = 0; |
2241 | UV nwide = 0; | |
1d68d6cd SC |
2242 | |
2243 | send = tmps + len; | |
2244 | while (tmps < send) { | |
9041c2e3 | 2245 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
1d68d6cd | 2246 | tmps += UTF8SKIP(tmps); |
5bbb0b5a | 2247 | targlen += UNISKIP(~c); |
a1ca4561 YST |
2248 | nchar++; |
2249 | if (c > 0xff) | |
2250 | nwide++; | |
1d68d6cd SC |
2251 | } |
2252 | ||
2253 | /* Now rewind strings and write them. */ | |
2254 | tmps -= len; | |
a1ca4561 YST |
2255 | |
2256 | if (nwide) { | |
2257 | Newz(0, result, targlen + 1, U8); | |
2258 | while (tmps < send) { | |
9041c2e3 | 2259 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
a1ca4561 | 2260 | tmps += UTF8SKIP(tmps); |
b851fbc1 | 2261 | result = uvchr_to_utf8_flags(result, ~c, UNICODE_ALLOW_ANY); |
a1ca4561 YST |
2262 | } |
2263 | *result = '\0'; | |
2264 | result -= targlen; | |
2265 | sv_setpvn(TARG, (char*)result, targlen); | |
2266 | SvUTF8_on(TARG); | |
2267 | } | |
2268 | else { | |
2269 | Newz(0, result, nchar + 1, U8); | |
2270 | while (tmps < send) { | |
9041c2e3 | 2271 | U8 c = (U8)utf8n_to_uvchr(tmps, 0, &l, UTF8_ALLOW_ANY); |
a1ca4561 YST |
2272 | tmps += UTF8SKIP(tmps); |
2273 | *result++ = ~c; | |
2274 | } | |
2275 | *result = '\0'; | |
2276 | result -= nchar; | |
2277 | sv_setpvn(TARG, (char*)result, nchar); | |
1d68d6cd | 2278 | } |
1d68d6cd SC |
2279 | Safefree(result); |
2280 | SETs(TARG); | |
2281 | RETURN; | |
2282 | } | |
a0d0e21e | 2283 | #ifdef LIBERAL |
51723571 JH |
2284 | { |
2285 | register long *tmpl; | |
2286 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
2287 | *tmps = ~*tmps; | |
2288 | tmpl = (long*)tmps; | |
2289 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
2290 | *tmpl = ~*tmpl; | |
2291 | tmps = (U8*)tmpl; | |
2292 | } | |
a0d0e21e LW |
2293 | #endif |
2294 | for ( ; anum > 0; anum--, tmps++) | |
2295 | *tmps = ~*tmps; | |
2296 | ||
2297 | SETs(TARG); | |
2298 | } | |
2299 | RETURN; | |
2300 | } | |
79072805 LW |
2301 | } |
2302 | ||
a0d0e21e LW |
2303 | /* integer versions of some of the above */ |
2304 | ||
a0d0e21e | 2305 | PP(pp_i_multiply) |
79072805 | 2306 | { |
39644a26 | 2307 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
2308 | { |
2309 | dPOPTOPiirl; | |
2310 | SETi( left * right ); | |
2311 | RETURN; | |
2312 | } | |
79072805 LW |
2313 | } |
2314 | ||
a0d0e21e | 2315 | PP(pp_i_divide) |
79072805 | 2316 | { |
39644a26 | 2317 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
2318 | { |
2319 | dPOPiv; | |
2320 | if (value == 0) | |
cea2e8a9 | 2321 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
2322 | value = POPi / value; |
2323 | PUSHi( value ); | |
2324 | RETURN; | |
2325 | } | |
79072805 LW |
2326 | } |
2327 | ||
a0d0e21e | 2328 | PP(pp_i_modulo) |
79072805 | 2329 | { |
39644a26 | 2330 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 2331 | { |
a0d0e21e | 2332 | dPOPTOPiirl; |
aa306039 | 2333 | if (!right) |
cea2e8a9 | 2334 | DIE(aTHX_ "Illegal modulus zero"); |
a0d0e21e LW |
2335 | SETi( left % right ); |
2336 | RETURN; | |
79072805 | 2337 | } |
79072805 LW |
2338 | } |
2339 | ||
a0d0e21e | 2340 | PP(pp_i_add) |
79072805 | 2341 | { |
39644a26 | 2342 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e | 2343 | { |
5e66d4f1 | 2344 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2345 | SETi( left + right ); |
2346 | RETURN; | |
79072805 | 2347 | } |
79072805 LW |
2348 | } |
2349 | ||
a0d0e21e | 2350 | PP(pp_i_subtract) |
79072805 | 2351 | { |
39644a26 | 2352 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 2353 | { |
5e66d4f1 | 2354 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2355 | SETi( left - right ); |
2356 | RETURN; | |
79072805 | 2357 | } |
79072805 LW |
2358 | } |
2359 | ||
a0d0e21e | 2360 | PP(pp_i_lt) |
79072805 | 2361 | { |
39644a26 | 2362 | dSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
2363 | { |
2364 | dPOPTOPiirl; | |
54310121 | 2365 | SETs(boolSV(left < right)); |
a0d0e21e LW |
2366 | RETURN; |
2367 | } | |
79072805 LW |
2368 | } |
2369 | ||
a0d0e21e | 2370 | PP(pp_i_gt) |
79072805 | 2371 | { |
39644a26 | 2372 | dSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
2373 | { |
2374 | dPOPTOPiirl; | |
54310121 | 2375 | SETs(boolSV(left > right)); |
a0d0e21e LW |
2376 | RETURN; |
2377 | } | |
79072805 LW |
2378 | } |
2379 | ||
a0d0e21e | 2380 | PP(pp_i_le) |
79072805 | 2381 | { |
39644a26 | 2382 | dSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
2383 | { |
2384 | dPOPTOPiirl; | |
54310121 | 2385 | SETs(boolSV(left <= right)); |
a0d0e21e | 2386 | RETURN; |
85e6fe83 | 2387 | } |
79072805 LW |
2388 | } |
2389 | ||
a0d0e21e | 2390 | PP(pp_i_ge) |
79072805 | 2391 | { |
39644a26 | 2392 | dSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
2393 | { |
2394 | dPOPTOPiirl; | |
54310121 | 2395 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
2396 | RETURN; |
2397 | } | |
79072805 LW |
2398 | } |
2399 | ||
a0d0e21e | 2400 | PP(pp_i_eq) |
79072805 | 2401 | { |
39644a26 | 2402 | dSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
2403 | { |
2404 | dPOPTOPiirl; | |
54310121 | 2405 | SETs(boolSV(left == right)); |
a0d0e21e LW |
2406 | RETURN; |
2407 | } | |
79072805 LW |
2408 | } |
2409 | ||
a0d0e21e | 2410 | PP(pp_i_ne) |
79072805 | 2411 | { |
39644a26 | 2412 | dSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
2413 | { |
2414 | dPOPTOPiirl; | |
54310121 | 2415 | SETs(boolSV(left != right)); |
a0d0e21e LW |
2416 | RETURN; |
2417 | } | |
79072805 LW |
2418 | } |
2419 | ||
a0d0e21e | 2420 | PP(pp_i_ncmp) |
79072805 | 2421 | { |
39644a26 | 2422 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
2423 | { |
2424 | dPOPTOPiirl; | |
2425 | I32 value; | |
79072805 | 2426 | |
a0d0e21e | 2427 | if (left > right) |
79072805 | 2428 | value = 1; |
a0d0e21e | 2429 | else if (left < right) |
79072805 | 2430 | value = -1; |
a0d0e21e | 2431 | else |
79072805 | 2432 | value = 0; |
a0d0e21e LW |
2433 | SETi(value); |
2434 | RETURN; | |
79072805 | 2435 | } |
85e6fe83 LW |
2436 | } |
2437 | ||
2438 | PP(pp_i_negate) | |
2439 | { | |
39644a26 | 2440 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
2441 | SETi(-TOPi); |
2442 | RETURN; | |
2443 | } | |
2444 | ||
79072805 LW |
2445 | /* High falutin' math. */ |
2446 | ||
2447 | PP(pp_atan2) | |
2448 | { | |
39644a26 | 2449 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
2450 | { |
2451 | dPOPTOPnnrl; | |
65202027 | 2452 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
2453 | RETURN; |
2454 | } | |
79072805 LW |
2455 | } |
2456 | ||
2457 | PP(pp_sin) | |
2458 | { | |
39644a26 | 2459 | dSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 2460 | { |
65202027 | 2461 | NV value; |
a0d0e21e | 2462 | value = POPn; |
65202027 | 2463 | value = Perl_sin(value); |
a0d0e21e LW |
2464 | XPUSHn(value); |
2465 | RETURN; | |
2466 | } | |
79072805 LW |
2467 | } |
2468 | ||
2469 | PP(pp_cos) | |
2470 | { | |
39644a26 | 2471 | dSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 2472 | { |
65202027 | 2473 | NV value; |
a0d0e21e | 2474 | value = POPn; |
65202027 | 2475 | value = Perl_cos(value); |
a0d0e21e LW |
2476 | XPUSHn(value); |
2477 | RETURN; | |
2478 | } | |
79072805 LW |
2479 | } |
2480 | ||
56cb0a1c AD |
2481 | /* Support Configure command-line overrides for rand() functions. |
2482 | After 5.005, perhaps we should replace this by Configure support | |
2483 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
2484 | compatibility by calling rand() but allow the user to override it. | |
2485 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
2486 | */ | |
85ab1d1d JH |
2487 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
2488 | in addition to rand(). So the overrides should not be needed any more. | |
2489 | --Jarkko Hietaniemi 27 September 1998 | |
2490 | */ | |
2491 | ||
2492 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 2493 | extern double drand48 (void); |
56cb0a1c AD |
2494 | #endif |
2495 | ||
79072805 LW |
2496 | PP(pp_rand) |
2497 | { | |
39644a26 | 2498 | dSP; dTARGET; |
65202027 | 2499 | NV value; |
79072805 LW |
2500 | if (MAXARG < 1) |
2501 | value = 1.0; | |
2502 | else | |
2503 | value = POPn; | |
2504 | if (value == 0.0) | |
2505 | value = 1.0; | |
80252599 | 2506 | if (!PL_srand_called) { |
85ab1d1d | 2507 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 2508 | PL_srand_called = TRUE; |
93dc8474 | 2509 | } |
85ab1d1d | 2510 | value *= Drand01(); |
79072805 LW |
2511 | XPUSHn(value); |
2512 | RETURN; | |
2513 | } | |
2514 | ||
2515 | PP(pp_srand) | |
2516 | { | |
39644a26 | 2517 | dSP; |
93dc8474 CS |
2518 | UV anum; |
2519 | if (MAXARG < 1) | |
2520 | anum = seed(); | |
79072805 | 2521 | else |
93dc8474 | 2522 | anum = POPu; |
85ab1d1d | 2523 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 2524 | PL_srand_called = TRUE; |
79072805 LW |
2525 | EXTEND(SP, 1); |
2526 | RETPUSHYES; | |
2527 | } | |
2528 | ||
76e3520e | 2529 | STATIC U32 |
cea2e8a9 | 2530 | S_seed(pTHX) |
93dc8474 | 2531 | { |
54310121 | 2532 | /* |
2533 | * This is really just a quick hack which grabs various garbage | |
2534 | * values. It really should be a real hash algorithm which | |
2535 | * spreads the effect of every input bit onto every output bit, | |
85ab1d1d | 2536 | * if someone who knows about such things would bother to write it. |
54310121 | 2537 | * Might be a good idea to add that function to CORE as well. |
85ab1d1d | 2538 | * No numbers below come from careful analysis or anything here, |
54310121 | 2539 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
2540 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
2541 | * probably be bigger too. | |
2542 | */ | |
2543 | #if RANDBITS > 16 | |
2544 | # define SEED_C1 1000003 | |
2545 | #define SEED_C4 73819 | |
2546 | #else | |
2547 | # define SEED_C1 25747 | |
2548 | #define SEED_C4 20639 | |
2549 | #endif | |
2550 | #define SEED_C2 3 | |
2551 | #define SEED_C3 269 | |
2552 | #define SEED_C5 26107 | |
2553 | ||
73c60299 RS |
2554 | #ifndef PERL_NO_DEV_RANDOM |
2555 | int fd; | |
2556 | #endif | |
93dc8474 | 2557 | U32 u; |
f12c7020 | 2558 | #ifdef VMS |
2559 | # include <starlet.h> | |
43c92808 HF |
2560 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
2561 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 | 2562 | unsigned int when[2]; |
73c60299 RS |
2563 | #else |
2564 | # ifdef HAS_GETTIMEOFDAY | |
2565 | struct timeval when; | |
2566 | # else | |
2567 | Time_t when; | |
2568 | # endif | |
2569 | #endif | |
2570 | ||
2571 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
2572 | #ifndef PERL_NO_DEV_RANDOM | |
2573 | #ifndef PERL_RANDOM_DEVICE | |
2574 | /* /dev/random isn't used by default because reads from it will block | |
2575 | * if there isn't enough entropy available. You can compile with | |
2576 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
2577 | * is enough real entropy to fill the seed. */ | |
2578 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
2579 | #endif | |
2580 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
2581 | if (fd != -1) { | |
2582 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
2583 | u = 0; | |
2584 | PerlLIO_close(fd); | |
2585 | if (u) | |
2586 | return u; | |
2587 | } | |
2588 | #endif | |
2589 | ||
2590 | #ifdef VMS | |
93dc8474 | 2591 | _ckvmssts(sys$gettim(when)); |
54310121 | 2592 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 2593 | #else |
5f05dabc | 2594 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 | 2595 | gettimeofday(&when,(struct timezone *) 0); |
54310121 | 2596 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 2597 | # else |
93dc8474 | 2598 | (void)time(&when); |
54310121 | 2599 | u = (U32)SEED_C1 * when; |
f12c7020 | 2600 | # endif |
2601 | #endif | |
7766f137 | 2602 | u += SEED_C3 * (U32)PerlProc_getpid(); |
56431972 | 2603 | u += SEED_C4 * (U32)PTR2UV(PL_stack_sp); |
54310121 | 2604 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
56431972 | 2605 | u += SEED_C5 * (U32)PTR2UV(&when); |
f12c7020 | 2606 | #endif |
93dc8474 | 2607 | return u; |
79072805 LW |
2608 | } |
2609 | ||
2610 | PP(pp_exp) | |
2611 | { | |
39644a26 | 2612 | dSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 2613 | { |
65202027 | 2614 | NV value; |
a0d0e21e | 2615 | value = POPn; |
65202027 | 2616 | value = Perl_exp(value); |
a0d0e21e LW |
2617 | XPUSHn(value); |
2618 | RETURN; | |
2619 | } | |
79072805 LW |
2620 | } |
2621 | ||
2622 | PP(pp_log) | |
2623 | { | |
39644a26 | 2624 | dSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 2625 | { |
65202027 | 2626 | NV value; |
a0d0e21e | 2627 | value = POPn; |
bbce6d69 | 2628 | if (value <= 0.0) { |
f93f4e46 | 2629 | SET_NUMERIC_STANDARD(); |
1779d84d | 2630 | DIE(aTHX_ "Can't take log of %"NVgf, value); |
bbce6d69 | 2631 | } |
65202027 | 2632 | value = Perl_log(value); |
a0d0e21e LW |
2633 | XPUSHn(value); |
2634 | RETURN; | |
2635 | } | |
79072805 LW |
2636 | } |
2637 | ||
2638 | PP(pp_sqrt) | |
2639 | { | |
39644a26 | 2640 | dSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 2641 | { |
65202027 | 2642 | NV value; |
a0d0e21e | 2643 | value = POPn; |
bbce6d69 | 2644 | if (value < 0.0) { |
f93f4e46 | 2645 | SET_NUMERIC_STANDARD(); |
1779d84d | 2646 | DIE(aTHX_ "Can't take sqrt of %"NVgf, value); |
bbce6d69 | 2647 | } |
65202027 | 2648 | value = Perl_sqrt(value); |
a0d0e21e LW |
2649 | XPUSHn(value); |
2650 | RETURN; | |
2651 | } | |
79072805 LW |
2652 | } |
2653 | ||
24da999b JH |
2654 | /* |
2655 | * There are strange code-generation bugs caused on sparc64 by gcc-2.95.2. | |
2656 | * These need to be revisited when a newer toolchain becomes available. | |
2657 | */ | |
2658 | #if defined(__sparc64__) && defined(__GNUC__) | |
2659 | # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 96) | |
2660 | # undef SPARC64_MODF_WORKAROUND | |
2661 | # define SPARC64_MODF_WORKAROUND 1 | |
2662 | # endif | |
2663 | #endif | |
2664 | ||
2665 | #if defined(SPARC64_MODF_WORKAROUND) | |
2666 | static NV | |
2667 | sparc64_workaround_modf(NV theVal, NV *theIntRes) | |
2668 | { | |
2669 | NV res, ret; | |
2670 | ret = Perl_modf(theVal, &res); | |
2671 | *theIntRes = res; | |
2672 | return ret; | |
2673 | } | |
2674 | #endif | |
2675 | ||
79072805 LW |
2676 | PP(pp_int) |
2677 | { | |
39644a26 | 2678 | dSP; dTARGET; tryAMAGICun(int); |
774d564b | 2679 | { |
28e5dec8 JH |
2680 | NV value; |
2681 | IV iv = TOPi; /* attempt to convert to IV if possible. */ | |
2682 | /* XXX it's arguable that compiler casting to IV might be subtly | |
2683 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
2684 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
2685 | relying on floating point to be accurate is a bug. */ | |
2686 | ||
2687 | if (SvIOK(TOPs)) { | |
2688 | if (SvIsUV(TOPs)) { | |
2689 | UV uv = TOPu; | |
2690 | SETu(uv); | |
2691 | } else | |
2692 | SETi(iv); | |
2693 | } else { | |
2694 | value = TOPn; | |
1048ea30 | 2695 | if (value >= 0.0) { |
28e5dec8 JH |
2696 | if (value < (NV)UV_MAX + 0.5) { |
2697 | SETu(U_V(value)); | |
2698 | } else { | |
24da999b JH |
2699 | #if defined(SPARC64_MODF_WORKAROUND) |
2700 | (void)sparc64_workaround_modf(value, &value); | |
2701 | #else | |
2702 | # if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) | |
2703 | # ifdef HAS_MODFL_POW32_BUG | |
e67aeab1 | 2704 | /* some versions of glibc split (i + d) into (i-1, d+1) for 2^32 <= i < 2^64 */ |
68795e93 | 2705 | { |
e67aeab1 JH |
2706 | NV offset = Perl_modf(value, &value); |
2707 | (void)Perl_modf(offset, &offset); | |
2708 | value += offset; | |
2709 | } | |
24da999b | 2710 | # else |
28e5dec8 | 2711 | (void)Perl_modf(value, &value); |
24da999b JH |
2712 | # endif |
2713 | # else | |
28e5dec8 JH |
2714 | double tmp = (double)value; |
2715 | (void)Perl_modf(tmp, &tmp); | |
2716 | value = (NV)tmp; | |
24da999b | 2717 | # endif |
1048ea30 | 2718 | #endif |
2d9af89d | 2719 | SETn(value); |
28e5dec8 | 2720 | } |
1048ea30 | 2721 | } |
28e5dec8 JH |
2722 | else { |
2723 | if (value > (NV)IV_MIN - 0.5) { | |
2724 | SETi(I_V(value)); | |
2725 | } else { | |
1048ea30 | 2726 | #if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) |
e67aeab1 JH |
2727 | # ifdef HAS_MODFL_POW32_BUG |
2728 | /* some versions of glibc split (i + d) into (i-1, d+1) for 2^32 <= i < 2^64 */ | |
2729 | { | |
2730 | NV offset = Perl_modf(-value, &value); | |
2731 | (void)Perl_modf(offset, &offset); | |
2732 | value += offset; | |
2733 | } | |
2734 | # else | |
28e5dec8 | 2735 | (void)Perl_modf(-value, &value); |
e67aeab1 | 2736 | # endif |
28e5dec8 | 2737 | value = -value; |
1048ea30 | 2738 | #else |
28e5dec8 JH |
2739 | double tmp = (double)value; |
2740 | (void)Perl_modf(-tmp, &tmp); | |
2741 | value = -(NV)tmp; | |
1048ea30 | 2742 | #endif |
28e5dec8 JH |
2743 | SETn(value); |
2744 | } | |
2745 | } | |
774d564b | 2746 | } |
79072805 | 2747 | } |
79072805 LW |
2748 | RETURN; |
2749 | } | |
2750 | ||
463ee0b2 LW |
2751 | PP(pp_abs) |
2752 | { | |
39644a26 | 2753 | dSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 2754 | { |
28e5dec8 JH |
2755 | /* This will cache the NV value if string isn't actually integer */ |
2756 | IV iv = TOPi; | |
a227d84d | 2757 | |
28e5dec8 JH |
2758 | if (SvIOK(TOPs)) { |
2759 | /* IVX is precise */ | |
2760 | if (SvIsUV(TOPs)) { | |
2761 | SETu(TOPu); /* force it to be numeric only */ | |
2762 | } else { | |
2763 | if (iv >= 0) { | |
2764 | SETi(iv); | |
2765 | } else { | |
2766 | if (iv != IV_MIN) { | |
2767 | SETi(-iv); | |
2768 | } else { | |
2769 | /* 2s complement assumption. Also, not really needed as | |
2770 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
2771 | SETu(IV_MIN); | |
2772 | } | |
a227d84d | 2773 | } |
28e5dec8 JH |
2774 | } |
2775 | } else{ | |
2776 | NV value = TOPn; | |
774d564b | 2777 | if (value < 0.0) |
28e5dec8 | 2778 | value = -value; |
774d564b | 2779 | SETn(value); |
2780 | } | |
a0d0e21e | 2781 | } |
774d564b | 2782 | RETURN; |
463ee0b2 LW |
2783 | } |
2784 | ||
53305cf1 | 2785 | |
79072805 LW |
2786 | PP(pp_hex) |
2787 | { | |
39644a26 | 2788 | dSP; dTARGET; |
79072805 | 2789 | char *tmps; |
53305cf1 | 2790 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
6f894ead | 2791 | STRLEN len; |
53305cf1 NC |
2792 | NV result_nv; |
2793 | UV result_uv; | |
2bc69dc4 | 2794 | SV* sv = POPs; |
79072805 | 2795 | |
2bc69dc4 NIS |
2796 | tmps = (SvPVx(sv, len)); |
2797 | if (DO_UTF8(sv)) { | |
2798 | /* If Unicode, try to downgrade | |
2799 | * If not possible, croak. */ | |
2800 | SV* tsv = sv_2mortal(newSVsv(sv)); | |
2801 | ||
2802 | SvUTF8_on(tsv); | |
2803 | sv_utf8_downgrade(tsv, FALSE); | |
2804 | tmps = SvPVX(tsv); | |
2805 | } | |
53305cf1 NC |
2806 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
2807 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
2808 | XPUSHn(result_nv); | |
2809 | } | |
2810 | else { | |
2811 | XPUSHu(result_uv); | |
2812 | } | |
79072805 LW |
2813 | RETURN; |
2814 | } | |
2815 | ||
2816 | PP(pp_oct) | |
2817 | { | |
39644a26 | 2818 | dSP; dTARGET; |
79072805 | 2819 | char *tmps; |
53305cf1 | 2820 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
6f894ead | 2821 | STRLEN len; |
53305cf1 NC |
2822 | NV result_nv; |
2823 | UV result_uv; | |
2bc69dc4 | 2824 | SV* sv = POPs; |
79072805 | 2825 | |
2bc69dc4 NIS |
2826 | tmps = (SvPVx(sv, len)); |
2827 | if (DO_UTF8(sv)) { | |
2828 | /* If Unicode, try to downgrade | |
2829 | * If not possible, croak. */ | |
2830 | SV* tsv = sv_2mortal(newSVsv(sv)); | |
2831 | ||
2832 | SvUTF8_on(tsv); | |
2833 | sv_utf8_downgrade(tsv, FALSE); | |
2834 | tmps = SvPVX(tsv); | |
2835 | } | |
6f894ead | 2836 | while (*tmps && len && isSPACE(*tmps)) |
53305cf1 | 2837 | tmps++, len--; |
9e24b6e2 | 2838 | if (*tmps == '0') |
53305cf1 | 2839 | tmps++, len--; |
9e24b6e2 | 2840 | if (*tmps == 'x') |
53305cf1 | 2841 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
9e24b6e2 | 2842 | else if (*tmps == 'b') |
53305cf1 | 2843 | result_uv = grok_bin (tmps, &len, &flags, &result_nv); |
464e2e8a | 2844 | else |
53305cf1 NC |
2845 | result_uv = grok_oct (tmps, &len, &flags, &result_nv); |
2846 | ||
2847 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
2848 | XPUSHn(result_nv); | |
2849 | } | |
2850 | else { | |
2851 | XPUSHu(result_uv); | |
2852 | } | |
79072805 LW |
2853 | RETURN; |
2854 | } | |
2855 | ||
2856 | /* String stuff. */ | |
2857 | ||
2858 | PP(pp_length) | |
2859 | { | |
39644a26 | 2860 | dSP; dTARGET; |
7e2040f0 | 2861 | SV *sv = TOPs; |
a0ed51b3 | 2862 | |
7e2040f0 GS |
2863 | if (DO_UTF8(sv)) |
2864 | SETi(sv_len_utf8(sv)); | |
2865 | else | |
2866 | SETi(sv_len(sv)); | |
79072805 LW |
2867 | RETURN; |
2868 | } | |
2869 | ||
2870 | PP(pp_substr) | |
2871 | { | |
39644a26 | 2872 | dSP; dTARGET; |
79072805 | 2873 | SV *sv; |
9c5ffd7c | 2874 | I32 len = 0; |
463ee0b2 | 2875 | STRLEN curlen; |
9402d6ed | 2876 | STRLEN utf8_curlen; |
79072805 LW |
2877 | I32 pos; |
2878 | I32 rem; | |
84902520 | 2879 | I32 fail; |
78f9721b | 2880 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
79072805 | 2881 | char *tmps; |
3280af22 | 2882 | I32 arybase = PL_curcop->cop_arybase; |
9402d6ed | 2883 | SV *repl_sv = NULL; |
7b8d334a GS |
2884 | char *repl = 0; |
2885 | STRLEN repl_len; | |
78f9721b | 2886 | int num_args = PL_op->op_private & 7; |
13e30c65 | 2887 | bool repl_need_utf8_upgrade = FALSE; |
9402d6ed | 2888 | bool repl_is_utf8 = FALSE; |
79072805 | 2889 | |
20408e3c | 2890 | SvTAINTED_off(TARG); /* decontaminate */ |
7e2040f0 | 2891 | SvUTF8_off(TARG); /* decontaminate */ |
78f9721b SM |
2892 | if (num_args > 2) { |
2893 | if (num_args > 3) { | |
9402d6ed JH |
2894 | repl_sv = POPs; |
2895 | repl = SvPV(repl_sv, repl_len); | |
2896 | repl_is_utf8 = DO_UTF8(repl_sv) && SvCUR(repl_sv); | |
7b8d334a | 2897 | } |
79072805 | 2898 | len = POPi; |
5d82c453 | 2899 | } |
84902520 | 2900 | pos = POPi; |
79072805 | 2901 | sv = POPs; |
849ca7ee | 2902 | PUTBACK; |
9402d6ed JH |
2903 | if (repl_sv) { |
2904 | if (repl_is_utf8) { | |
2905 | if (!DO_UTF8(sv)) | |
2906 | sv_utf8_upgrade(sv); | |
2907 | } | |
13e30c65 JH |
2908 | else if (DO_UTF8(sv)) |
2909 | repl_need_utf8_upgrade = TRUE; | |
9402d6ed | 2910 | } |
a0d0e21e | 2911 | tmps = SvPV(sv, curlen); |
7e2040f0 | 2912 | if (DO_UTF8(sv)) { |
9402d6ed JH |
2913 | utf8_curlen = sv_len_utf8(sv); |
2914 | if (utf8_curlen == curlen) | |
2915 | utf8_curlen = 0; | |
a0ed51b3 | 2916 | else |
9402d6ed | 2917 | curlen = utf8_curlen; |
a0ed51b3 | 2918 | } |
d1c2b58a | 2919 | else |
9402d6ed | 2920 | utf8_curlen = 0; |
a0ed51b3 | 2921 | |
84902520 TB |
2922 | if (pos >= arybase) { |
2923 | pos -= arybase; | |
2924 | rem = curlen-pos; | |
2925 | fail = rem; | |
78f9721b | 2926 | if (num_args > 2) { |
5d82c453 GA |
2927 | if (len < 0) { |
2928 | rem += len; | |
2929 | if (rem < 0) | |
2930 | rem = 0; | |
2931 | } | |
2932 | else if (rem > len) | |
2933 | rem = len; | |
2934 | } | |
68dc0745 | 2935 | } |
84902520 | 2936 | else { |
5d82c453 | 2937 | pos += curlen; |
78f9721b | 2938 | if (num_args < 3) |
5d82c453 GA |
2939 | rem = curlen; |
2940 | else if (len >= 0) { | |
2941 | rem = pos+len; | |
2942 | if (rem > (I32)curlen) | |
2943 | rem = curlen; | |
2944 | } | |
2945 | else { | |
2946 | rem = curlen+len; | |
2947 | if (rem < pos) | |
2948 | rem = pos; | |
2949 | } | |
2950 | if (pos < 0) | |
2951 | pos = 0; | |
2952 | fail = rem; | |
2953 | rem -= pos; | |
84902520 TB |
2954 | } |
2955 | if (fail < 0) { | |
e476b1b5 GS |
2956 | if (lvalue || repl) |
2957 | Perl_croak(aTHX_ "substr outside of string"); | |
2958 | if (ckWARN(WARN_SUBSTR)) | |
cea2e8a9 | 2959 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
2304df62 AD |
2960 | RETPUSHUNDEF; |
2961 | } | |
79072805 | 2962 | else { |
9aa983d2 JH |
2963 | I32 upos = pos; |
2964 | I32 urem = rem; | |
9402d6ed | 2965 | if (utf8_curlen) |
a0ed51b3 | 2966 | sv_pos_u2b(sv, &pos, &rem); |
79072805 | 2967 | tmps += pos; |
79072805 | 2968 | sv_setpvn(TARG, tmps, rem); |
12aa1545 | 2969 | #ifdef USE_LOCALE_COLLATE |
14befaf4 | 2970 | sv_unmagic(TARG, PERL_MAGIC_collxfrm); |
12aa1545 | 2971 | #endif |
9402d6ed | 2972 | if (utf8_curlen) |
7f66633b | 2973 | SvUTF8_on(TARG); |
f7928d6c | 2974 | if (repl) { |
13e30c65 JH |
2975 | SV* repl_sv_copy = NULL; |
2976 | ||
2977 | if (repl_need_utf8_upgrade) { | |
2978 | repl_sv_copy = newSVsv(repl_sv); | |
2979 | sv_utf8_upgrade(repl_sv_copy); | |
2980 | repl = SvPV(repl_sv_copy, repl_len); | |
2981 | repl_is_utf8 = DO_UTF8(repl_sv_copy) && SvCUR(sv); | |
2982 | } | |
c8faf1c5 | 2983 | sv_insert(sv, pos, rem, repl, repl_len); |
9402d6ed | 2984 | if (repl_is_utf8) |
f7928d6c | 2985 | SvUTF8_on(sv); |
9402d6ed JH |
2986 | if (repl_sv_copy) |
2987 | SvREFCNT_dec(repl_sv_copy); | |
f7928d6c | 2988 | } |
c8faf1c5 | 2989 | else if (lvalue) { /* it's an lvalue! */ |
dedeecda | 2990 | if (!SvGMAGICAL(sv)) { |
2991 | if (SvROK(sv)) { | |
2d8e6c8d GS |
2992 | STRLEN n_a; |
2993 | SvPV_force(sv,n_a); | |
599cee73 | 2994 | if (ckWARN(WARN_SUBSTR)) |
cea2e8a9 | 2995 | Perl_warner(aTHX_ WARN_SUBSTR, |
599cee73 | 2996 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 2997 | } |
2998 | if (SvOK(sv)) /* is it defined ? */ | |
7f66633b | 2999 | (void)SvPOK_only_UTF8(sv); |
dedeecda | 3000 | else |
3001 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
3002 | } | |
5f05dabc | 3003 | |
a0d0e21e LW |
3004 | if (SvTYPE(TARG) < SVt_PVLV) { |
3005 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 3006 | sv_magic(TARG, Nullsv, PERL_MAGIC_substr, Nullch, 0); |
ed6116ce | 3007 | } |
a0d0e21e | 3008 | |
5f05dabc | 3009 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
3010 | if (LvTARG(TARG) != sv) { |
3011 | if (LvTARG(TARG)) | |
3012 | SvREFCNT_dec(LvTARG(TARG)); | |
3013 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
3014 | } | |
9aa983d2 JH |
3015 | LvTARGOFF(TARG) = upos; |
3016 | LvTARGLEN(TARG) = urem; | |
79072805 LW |
3017 | } |
3018 | } | |
849ca7ee | 3019 | SPAGAIN; |
79072805 LW |
3020 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
3021 | RETURN; | |
3022 | } | |
3023 | ||
3024 | PP(pp_vec) | |
3025 | { | |
39644a26 | 3026 | dSP; dTARGET; |
467f0320 JH |
3027 | register IV size = POPi; |
3028 | register IV offset = POPi; | |
79072805 | 3029 | register SV *src = POPs; |
78f9721b | 3030 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
a0d0e21e | 3031 | |
81e118e0 JH |
3032 | SvTAINTED_off(TARG); /* decontaminate */ |
3033 | if (lvalue) { /* it's an lvalue! */ | |
3034 | if (SvTYPE(TARG) < SVt_PVLV) { | |
3035 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 3036 | sv_magic(TARG, Nullsv, PERL_MAGIC_vec, Nullch, 0); |
79072805 | 3037 | } |
81e118e0 JH |
3038 | LvTYPE(TARG) = 'v'; |
3039 | if (LvTARG(TARG) != src) { | |
3040 | if (LvTARG(TARG)) | |
3041 | SvREFCNT_dec(LvTARG(TARG)); | |
3042 | LvTARG(TARG) = SvREFCNT_inc(src); | |
79072805 | 3043 | } |
81e118e0 JH |
3044 | LvTARGOFF(TARG) = offset; |
3045 | LvTARGLEN(TARG) = size; | |
79072805 LW |
3046 | } |
3047 | ||
81e118e0 | 3048 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
3049 | PUSHs(TARG); |
3050 | RETURN; | |
3051 | } | |
3052 | ||
3053 | PP(pp_index) | |
3054 | { | |
39644a26 | 3055 | dSP; dTARGET; |
79072805 LW |
3056 | SV *big; |
3057 | SV *little; | |
3058 | I32 offset; | |
3059 | I32 retval; | |
3060 | char *tmps; | |
3061 | char *tmps2; | |
463ee0b2 | 3062 | STRLEN biglen; |
3280af22 | 3063 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
3064 | |
3065 | if (MAXARG < 3) | |
3066 | offset = 0; | |
3067 | else | |
3068 | offset = POPi - arybase; | |
3069 | little = POPs; | |
3070 | big = POPs; | |
463ee0b2 | 3071 | tmps = SvPV(big, biglen); |
7e2040f0 | 3072 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 | 3073 | sv_pos_u2b(big, &offset, 0); |
79072805 LW |
3074 | if (offset < 0) |
3075 | offset = 0; | |
93a17b20 LW |
3076 | else if (offset > biglen) |
3077 | offset = biglen; | |
79072805 | 3078 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 3079 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 3080 | retval = -1; |
79072805 | 3081 | else |
a0ed51b3 | 3082 | retval = tmps2 - tmps; |
7e2040f0 | 3083 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
3084 | sv_pos_b2u(big, &retval); |
3085 | PUSHi(retval + arybase); | |
79072805 LW |
3086 | RETURN; |
3087 | } | |
3088 | ||
3089 | PP(pp_rindex) | |
3090 | { | |
39644a26 | 3091 | dSP; dTARGET; |
79072805 LW |
3092 | SV *big; |
3093 | SV *little; | |
463ee0b2 LW |
3094 | STRLEN blen; |
3095 | STRLEN llen; | |
79072805 LW |
3096 | I32 offset; |
3097 | I32 retval; | |
3098 | char *tmps; | |
3099 | char *tmps2; | |
3280af22 | 3100 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 3101 | |
a0d0e21e | 3102 | if (MAXARG >= 3) |
a0ed51b3 | 3103 | offset = POPi; |
79072805 LW |
3104 | little = POPs; |
3105 | big = POPs; | |
463ee0b2 LW |
3106 | tmps2 = SvPV(little, llen); |
3107 | tmps = SvPV(big, blen); | |
79072805 | 3108 | if (MAXARG < 3) |
463ee0b2 | 3109 | offset = blen; |
a0ed51b3 | 3110 | else { |
7e2040f0 | 3111 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
3112 | sv_pos_u2b(big, &offset, 0); |
3113 | offset = offset - arybase + llen; | |
3114 | } | |
79072805 LW |
3115 | if (offset < 0) |
3116 | offset = 0; | |
463ee0b2 LW |
3117 | else if (offset > blen) |
3118 | offset = blen; | |
79072805 | 3119 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 3120 | tmps2, tmps2 + llen))) |
a0ed51b3 | 3121 | retval = -1; |
79072805 | 3122 | else |
a0ed51b3 | 3123 | retval = tmps2 - tmps; |
7e2040f0 | 3124 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
3125 | sv_pos_b2u(big, &retval); |
3126 | PUSHi(retval + arybase); | |
79072805 LW |
3127 | RETURN; |
3128 | } | |
3129 | ||
3130 | PP(pp_sprintf) | |
3131 | { | |
39644a26 | 3132 | dSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 3133 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 3134 | TAINT_IF(SvTAINTED(TARG)); |
6ee35fb7 JH |
3135 | if (DO_UTF8(*(MARK+1))) |
3136 | SvUTF8_on(TARG); | |
79072805 LW |
3137 | SP = ORIGMARK; |
3138 | PUSHTARG; | |
3139 | RETURN; | |
3140 | } | |
3141 | ||
79072805 LW |
3142 | PP(pp_ord) |
3143 | { | |
39644a26 | 3144 | dSP; dTARGET; |
7df053ec | 3145 | SV *argsv = POPs; |
ba210ebe | 3146 | STRLEN len; |
7df053ec | 3147 | U8 *s = (U8*)SvPVx(argsv, len); |
121910a4 JH |
3148 | SV *tmpsv; |
3149 | ||
799ef3cb | 3150 | if (PL_encoding && SvPOK(argsv) && !DO_UTF8(argsv)) { |
121910a4 | 3151 | tmpsv = sv_2mortal(newSVsv(argsv)); |
799ef3cb | 3152 | s = (U8*)sv_recode_to_utf8(tmpsv, PL_encoding); |
121910a4 JH |
3153 | argsv = tmpsv; |
3154 | } | |
79072805 | 3155 | |
9041c2e3 | 3156 | XPUSHu(DO_UTF8(argsv) ? utf8_to_uvchr(s, 0) : (*s & 0xff)); |
68795e93 | 3157 | |
79072805 LW |
3158 | RETURN; |
3159 | } | |
3160 | ||
463ee0b2 LW |
3161 | PP(pp_chr) |
3162 | { | |
39644a26 | 3163 | dSP; dTARGET; |
463ee0b2 | 3164 | char *tmps; |
467f0320 | 3165 | UV value = POPu; |
463ee0b2 | 3166 | |
748a9306 | 3167 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 | 3168 | |
0064a8a9 | 3169 | if (value > 255 && !IN_BYTES) { |
9aa983d2 | 3170 | SvGROW(TARG, UNISKIP(value)+1); |
62961d2e | 3171 | tmps = (char*)uvchr_to_utf8_flags((U8*)SvPVX(TARG), value, 0); |
a0ed51b3 LW |
3172 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
3173 | *tmps = '\0'; | |
3174 | (void)SvPOK_only(TARG); | |
aa6ffa16 | 3175 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3176 | XPUSHs(TARG); |
3177 | RETURN; | |
3178 | } | |
3179 | ||
748a9306 | 3180 | SvGROW(TARG,2); |
463ee0b2 LW |
3181 | SvCUR_set(TARG, 1); |
3182 | tmps = SvPVX(TARG); | |
a0ed51b3 | 3183 | *tmps++ = value; |
748a9306 | 3184 | *tmps = '\0'; |
a0d0e21e | 3185 | (void)SvPOK_only(TARG); |
121910a4 | 3186 | if (PL_encoding) |
799ef3cb | 3187 | sv_recode_to_utf8(TARG, PL_encoding); |
463ee0b2 LW |
3188 | XPUSHs(TARG); |
3189 | RETURN; | |
3190 | } | |
3191 | ||
79072805 LW |
3192 | PP(pp_crypt) |
3193 | { | |
5f74f29c | 3194 | dSP; dTARGET; |
79072805 | 3195 | #ifdef HAS_CRYPT |
5f74f29c JH |
3196 | dPOPTOPssrl; |
3197 | STRLEN n_a; | |
85c16d83 JH |
3198 | STRLEN len; |
3199 | char *tmps = SvPV(left, len); | |
2bc69dc4 | 3200 | |
85c16d83 | 3201 | if (DO_UTF8(left)) { |
2bc69dc4 | 3202 | /* If Unicode, try to downgrade. |
f2791508 JH |
3203 | * If not possible, croak. |
3204 | * Yes, we made this up. */ | |
3205 | SV* tsv = sv_2mortal(newSVsv(left)); | |
2bc69dc4 | 3206 | |
f2791508 | 3207 | SvUTF8_on(tsv); |
2bc69dc4 | 3208 | sv_utf8_downgrade(tsv, FALSE); |
f2791508 | 3209 | tmps = SvPVX(tsv); |
85c16d83 | 3210 | } |
5f74f29c | 3211 | # ifdef FCRYPT |
2d8e6c8d | 3212 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
5f74f29c | 3213 | # else |
2d8e6c8d | 3214 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
5f74f29c | 3215 | # endif |
79072805 | 3216 | #else |
b13b2135 | 3217 | DIE(aTHX_ |
79072805 LW |
3218 | "The crypt() function is unimplemented due to excessive paranoia."); |
3219 | #endif | |
3220 | SETs(TARG); | |
3221 | RETURN; | |
3222 | } | |
3223 | ||
3224 | PP(pp_ucfirst) | |
3225 | { | |
39644a26 | 3226 | dSP; |
79072805 | 3227 | SV *sv = TOPs; |
a0ed51b3 LW |
3228 | register U8 *s; |
3229 | STRLEN slen; | |
3230 | ||
44bc797b | 3231 | if (DO_UTF8(sv)) { |
e7ae6809 | 3232 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
44bc797b JH |
3233 | STRLEN ulen; |
3234 | STRLEN tculen; | |
a0ed51b3 | 3235 | |
44bc797b JH |
3236 | s = (U8*)SvPV(sv, slen); |
3237 | utf8_to_uvchr(s, &ulen); | |
a0ed51b3 | 3238 | |
44bc797b JH |
3239 | toTITLE_utf8(s, tmpbuf, &tculen); |
3240 | utf8_to_uvchr(tmpbuf, 0); | |
3241 | ||
3242 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { | |
a0ed51b3 | 3243 | dTARGET; |
44bc797b | 3244 | sv_setpvn(TARG, (char*)tmpbuf, tculen); |
dfe13c55 | 3245 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); |
7e2040f0 | 3246 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3247 | SETs(TARG); |
3248 | } | |
3249 | else { | |
dfe13c55 | 3250 | s = (U8*)SvPV_force(sv, slen); |
44bc797b | 3251 | Copy(tmpbuf, s, tculen, U8); |
a0ed51b3 | 3252 | } |
a0ed51b3 | 3253 | } |
626727d5 | 3254 | else { |
014822e4 | 3255 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3256 | dTARGET; |
7e2040f0 | 3257 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3258 | sv_setsv(TARG, sv); |
3259 | sv = TARG; | |
3260 | SETs(sv); | |
3261 | } | |
3262 | s = (U8*)SvPV_force(sv, slen); | |
3263 | if (*s) { | |
2de3dbcc | 3264 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3265 | TAINT; |
3266 | SvTAINTED_on(sv); | |
3267 | *s = toUPPER_LC(*s); | |
3268 | } | |
3269 | else | |
3270 | *s = toUPPER(*s); | |
bbce6d69 | 3271 | } |
bbce6d69 | 3272 | } |
31351b04 JS |
3273 | if (SvSMAGICAL(sv)) |
3274 | mg_set(sv); | |
79072805 LW |
3275 | RETURN; |
3276 | } | |
3277 | ||
3278 | PP(pp_lcfirst) | |
3279 | { | |
39644a26 | 3280 | dSP; |
79072805 | 3281 | SV *sv = TOPs; |
a0ed51b3 LW |
3282 | register U8 *s; |
3283 | STRLEN slen; | |
3284 | ||
fd400ab9 | 3285 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && UTF8_IS_START(*s)) { |
ba210ebe | 3286 | STRLEN ulen; |
e7ae6809 | 3287 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
a0ed51b3 | 3288 | U8 *tend; |
9041c2e3 | 3289 | UV uv; |
a0ed51b3 | 3290 | |
44bc797b | 3291 | toLOWER_utf8(s, tmpbuf, &ulen); |
a2a2844f | 3292 | uv = utf8_to_uvchr(tmpbuf, 0); |
a0ed51b3 | 3293 | |
9041c2e3 | 3294 | tend = uvchr_to_utf8(tmpbuf, uv); |
a0ed51b3 | 3295 | |
014822e4 | 3296 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 3297 | dTARGET; |
dfe13c55 GS |
3298 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
3299 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3300 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3301 | SETs(TARG); |
3302 | } | |
3303 | else { | |
dfe13c55 | 3304 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
3305 | Copy(tmpbuf, s, ulen, U8); |
3306 | } | |
a0ed51b3 | 3307 | } |
626727d5 | 3308 | else { |
014822e4 | 3309 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3310 | dTARGET; |
7e2040f0 | 3311 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3312 | sv_setsv(TARG, sv); |
3313 | sv = TARG; | |
3314 | SETs(sv); | |
3315 | } | |
3316 | s = (U8*)SvPV_force(sv, slen); | |
3317 | if (*s) { | |
2de3dbcc | 3318 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3319 | TAINT; |
3320 | SvTAINTED_on(sv); | |
3321 | *s = toLOWER_LC(*s); | |
3322 | } | |
3323 | else | |
3324 | *s = toLOWER(*s); | |
bbce6d69 | 3325 | } |
bbce6d69 | 3326 | } |
31351b04 JS |
3327 | if (SvSMAGICAL(sv)) |
3328 | mg_set(sv); | |
79072805 LW |
3329 | RETURN; |
3330 | } | |
3331 | ||
3332 | PP(pp_uc) | |
3333 | { | |
39644a26 | 3334 | dSP; |
79072805 | 3335 | SV *sv = TOPs; |
a0ed51b3 | 3336 | register U8 *s; |
463ee0b2 | 3337 | STRLEN len; |
79072805 | 3338 | |
7e2040f0 | 3339 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3340 | dTARGET; |
ba210ebe | 3341 | STRLEN ulen; |
a0ed51b3 LW |
3342 | register U8 *d; |
3343 | U8 *send; | |
e7ae6809 | 3344 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
a0ed51b3 | 3345 | |
dfe13c55 | 3346 | s = (U8*)SvPV(sv,len); |
a5a20234 | 3347 | if (!len) { |
7e2040f0 | 3348 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3349 | sv_setpvn(TARG, "", 0); |
3350 | SETs(TARG); | |
a0ed51b3 LW |
3351 | } |
3352 | else { | |
98b27f73 JH |
3353 | STRLEN nchar = utf8_length(s, s + len); |
3354 | ||
31351b04 | 3355 | (void)SvUPGRADE(TARG, SVt_PV); |
98b27f73 | 3356 | SvGROW(TARG, (nchar * UTF8_MAXLEN_UCLC) + 1); |
31351b04 JS |
3357 | (void)SvPOK_only(TARG); |
3358 | d = (U8*)SvPVX(TARG); | |
3359 | send = s + len; | |
a2a2844f | 3360 | while (s < send) { |
6fdb5f96 | 3361 | toUPPER_utf8(s, tmpbuf, &ulen); |
a2a2844f JH |
3362 | Copy(tmpbuf, d, ulen, U8); |
3363 | d += ulen; | |
3364 | s += UTF8SKIP(s); | |
a0ed51b3 | 3365 | } |
31351b04 | 3366 | *d = '\0'; |
7e2040f0 | 3367 | SvUTF8_on(TARG); |
31351b04 JS |
3368 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3369 | SETs(TARG); | |
a0ed51b3 | 3370 | } |
a0ed51b3 | 3371 | } |
626727d5 | 3372 | else { |
014822e4 | 3373 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3374 | dTARGET; |
7e2040f0 | 3375 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3376 | sv_setsv(TARG, sv); |
3377 | sv = TARG; | |
3378 | SETs(sv); | |
3379 | } | |
3380 | s = (U8*)SvPV_force(sv, len); | |
3381 | if (len) { | |
3382 | register U8 *send = s + len; | |
3383 | ||
2de3dbcc | 3384 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3385 | TAINT; |
3386 | SvTAINTED_on(sv); | |
3387 | for (; s < send; s++) | |
3388 | *s = toUPPER_LC(*s); | |
3389 | } | |
3390 | else { | |
3391 | for (; s < send; s++) | |
3392 | *s = toUPPER(*s); | |
3393 | } | |
bbce6d69 | 3394 | } |
79072805 | 3395 | } |
31351b04 JS |
3396 | if (SvSMAGICAL(sv)) |
3397 | mg_set(sv); | |
79072805 LW |
3398 | RETURN; |
3399 | } | |
3400 | ||
3401 | PP(pp_lc) | |
3402 | { | |
39644a26 | 3403 | dSP; |
79072805 | 3404 | SV *sv = TOPs; |
a0ed51b3 | 3405 | register U8 *s; |
463ee0b2 | 3406 | STRLEN len; |
79072805 | 3407 | |
7e2040f0 | 3408 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3409 | dTARGET; |
ba210ebe | 3410 | STRLEN ulen; |
a0ed51b3 LW |
3411 | register U8 *d; |
3412 | U8 *send; | |
e7ae6809 | 3413 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
a0ed51b3 | 3414 | |
dfe13c55 | 3415 | s = (U8*)SvPV(sv,len); |
a5a20234 | 3416 | if (!len) { |
7e2040f0 | 3417 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3418 | sv_setpvn(TARG, "", 0); |
3419 | SETs(TARG); | |
a0ed51b3 LW |
3420 | } |
3421 | else { | |
98b27f73 JH |
3422 | STRLEN nchar = utf8_length(s, s + len); |
3423 | ||
31351b04 | 3424 | (void)SvUPGRADE(TARG, SVt_PV); |
98b27f73 | 3425 | SvGROW(TARG, (nchar * UTF8_MAXLEN_UCLC) + 1); |
31351b04 JS |
3426 | (void)SvPOK_only(TARG); |
3427 | d = (U8*)SvPVX(TARG); | |
3428 | send = s + len; | |
a2a2844f | 3429 | while (s < send) { |
6fdb5f96 JH |
3430 | UV uv = toLOWER_utf8(s, tmpbuf, &ulen); |
3431 | #define GREEK_CAPITAL_LETTER_SIGMA 0x03A3 /* Unicode */ | |
3432 | if (uv == GREEK_CAPITAL_LETTER_SIGMA) { | |
3433 | /* | |
3434 | * Now if the sigma is NOT followed by | |
3435 | * /$ignorable_sequence$cased_letter/; | |
3436 | * and it IS preceded by | |
3437 | * /$cased_letter$ignorable_sequence/; | |
3438 | * where $ignorable_sequence is | |
3439 | * [\x{2010}\x{AD}\p{Mn}]* | |
3440 | * and $cased_letter is | |
3441 | * [\p{Ll}\p{Lo}\p{Lt}] | |
3442 | * then it should be mapped to 0x03C2, | |
3443 | * (GREEK SMALL LETTER FINAL SIGMA), | |
3444 | * instead of staying 0x03A3. | |
3445 | * See lib/unicore/SpecCase.txt. | |
3446 | */ | |
3447 | } | |
a2a2844f JH |
3448 | Copy(tmpbuf, d, ulen, U8); |
3449 | d += ulen; | |
3450 | s += UTF8SKIP(s); | |
a0ed51b3 | 3451 | } |
31351b04 | 3452 | *d = '\0'; |
7e2040f0 | 3453 | SvUTF8_on(TARG); |
31351b04 JS |
3454 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3455 | SETs(TARG); | |
a0ed51b3 | 3456 | } |
79072805 | 3457 | } |
626727d5 | 3458 | else { |
014822e4 | 3459 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3460 | dTARGET; |
7e2040f0 | 3461 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3462 | sv_setsv(TARG, sv); |
3463 | sv = TARG; | |
3464 | SETs(sv); | |
a0ed51b3 | 3465 | } |
bbce6d69 | 3466 | |
31351b04 JS |
3467 | s = (U8*)SvPV_force(sv, len); |
3468 | if (len) { | |
3469 | register U8 *send = s + len; | |
bbce6d69 | 3470 | |
2de3dbcc | 3471 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3472 | TAINT; |
3473 | SvTAINTED_on(sv); | |
3474 | for (; s < send; s++) | |
3475 | *s = toLOWER_LC(*s); | |
3476 | } | |
3477 | else { | |
3478 | for (; s < send; s++) | |
3479 | *s = toLOWER(*s); | |
3480 | } | |
bbce6d69 | 3481 | } |
79072805 | 3482 | } |
31351b04 JS |
3483 | if (SvSMAGICAL(sv)) |
3484 | mg_set(sv); | |
79072805 LW |
3485 | RETURN; |
3486 | } | |
3487 | ||
a0d0e21e | 3488 | PP(pp_quotemeta) |
79072805 | 3489 | { |
39644a26 | 3490 | dSP; dTARGET; |
a0d0e21e LW |
3491 | SV *sv = TOPs; |
3492 | STRLEN len; | |
3493 | register char *s = SvPV(sv,len); | |
3494 | register char *d; | |
79072805 | 3495 | |
7e2040f0 | 3496 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e LW |
3497 | if (len) { |
3498 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 3499 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 3500 | d = SvPVX(TARG); |
7e2040f0 | 3501 | if (DO_UTF8(sv)) { |
0dd2cdef | 3502 | while (len) { |
fd400ab9 | 3503 | if (UTF8_IS_CONTINUED(*s)) { |
0dd2cdef LW |
3504 | STRLEN ulen = UTF8SKIP(s); |
3505 | if (ulen > len) | |
3506 | ulen = len; | |
3507 | len -= ulen; | |
3508 | while (ulen--) | |
3509 | *d++ = *s++; | |
3510 | } | |
3511 | else { | |
3512 | if (!isALNUM(*s)) | |
3513 | *d++ = '\\'; | |
3514 | *d++ = *s++; | |
3515 | len--; | |
3516 | } | |
3517 | } | |
7e2040f0 | 3518 | SvUTF8_on(TARG); |
0dd2cdef LW |
3519 | } |
3520 | else { | |
3521 | while (len--) { | |
3522 | if (!isALNUM(*s)) | |
3523 | *d++ = '\\'; | |
3524 | *d++ = *s++; | |
3525 | } | |
79072805 | 3526 | } |
a0d0e21e LW |
3527 | *d = '\0'; |
3528 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
3aa33fe5 | 3529 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 3530 | } |
a0d0e21e LW |
3531 | else |
3532 | sv_setpvn(TARG, s, len); | |
3533 | SETs(TARG); | |
31351b04 JS |
3534 | if (SvSMAGICAL(TARG)) |
3535 | mg_set(TARG); | |
79072805 LW |
3536 | RETURN; |
3537 | } | |
3538 | ||
a0d0e21e | 3539 | /* Arrays. */ |
79072805 | 3540 | |
a0d0e21e | 3541 | PP(pp_aslice) |
79072805 | 3542 | { |
39644a26 | 3543 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3544 | register SV** svp; |
3545 | register AV* av = (AV*)POPs; | |
78f9721b | 3546 | register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); |
3280af22 | 3547 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 3548 | I32 elem; |
79072805 | 3549 | |
a0d0e21e | 3550 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 3551 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 3552 | I32 max = -1; |
924508f0 | 3553 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
3554 | elem = SvIVx(*svp); |
3555 | if (elem > max) | |
3556 | max = elem; | |
3557 | } | |
3558 | if (max > AvMAX(av)) | |
3559 | av_extend(av, max); | |
3560 | } | |
a0d0e21e | 3561 | while (++MARK <= SP) { |
748a9306 | 3562 | elem = SvIVx(*MARK); |
a0d0e21e | 3563 | |
748a9306 LW |
3564 | if (elem > 0) |
3565 | elem -= arybase; | |
a0d0e21e LW |
3566 | svp = av_fetch(av, elem, lval); |
3567 | if (lval) { | |
3280af22 | 3568 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 3569 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 3570 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 3571 | save_aelem(av, elem, svp); |
79072805 | 3572 | } |
3280af22 | 3573 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3574 | } |
3575 | } | |
748a9306 | 3576 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
3577 | MARK = ORIGMARK; |
3578 | *++MARK = *SP; | |
3579 | SP = MARK; | |
3580 | } | |
79072805 LW |
3581 | RETURN; |
3582 | } | |
3583 | ||
3584 | /* Associative arrays. */ | |
3585 | ||
3586 | PP(pp_each) | |
3587 | { | |
39644a26 | 3588 | dSP; |
79072805 | 3589 | HV *hash = (HV*)POPs; |
c07a80fd | 3590 | HE *entry; |
54310121 | 3591 | I32 gimme = GIMME_V; |
c750a3ec | 3592 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 3593 | |
c07a80fd | 3594 | PUTBACK; |
c750a3ec MB |
3595 | /* might clobber stack_sp */ |
3596 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 3597 | SPAGAIN; |
79072805 | 3598 | |
79072805 LW |
3599 | EXTEND(SP, 2); |
3600 | if (entry) { | |
54310121 | 3601 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
3602 | if (gimme == G_ARRAY) { | |
59af0135 | 3603 | SV *val; |
c07a80fd | 3604 | PUTBACK; |
c750a3ec | 3605 | /* might clobber stack_sp */ |
59af0135 GS |
3606 | val = realhv ? |
3607 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); | |
c07a80fd | 3608 | SPAGAIN; |
59af0135 | 3609 | PUSHs(val); |
79072805 | 3610 | } |
79072805 | 3611 | } |
54310121 | 3612 | else if (gimme == G_SCALAR) |
79072805 LW |
3613 | RETPUSHUNDEF; |
3614 | ||
3615 | RETURN; | |
3616 | } | |
3617 | ||
3618 | PP(pp_values) | |
3619 | { | |
cea2e8a9 | 3620 | return do_kv(); |
79072805 LW |
3621 | } |
3622 | ||
3623 | PP(pp_keys) | |
3624 | { | |
cea2e8a9 | 3625 | return do_kv(); |
79072805 LW |
3626 | } |
3627 | ||
3628 | PP(pp_delete) | |
3629 | { | |
39644a26 | 3630 | dSP; |
54310121 | 3631 | I32 gimme = GIMME_V; |
3632 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 3633 | SV *sv; |
5f05dabc | 3634 | HV *hv; |
3635 | ||
533c011a | 3636 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 3637 | dMARK; dORIGMARK; |
97fcbf96 | 3638 | U32 hvtype; |
5f05dabc | 3639 | hv = (HV*)POPs; |
97fcbf96 | 3640 | hvtype = SvTYPE(hv); |
01020589 GS |
3641 | if (hvtype == SVt_PVHV) { /* hash element */ |
3642 | while (++MARK <= SP) { | |
ae77835f | 3643 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
01020589 GS |
3644 | *MARK = sv ? sv : &PL_sv_undef; |
3645 | } | |
5f05dabc | 3646 | } |
01020589 GS |
3647 | else if (hvtype == SVt_PVAV) { |
3648 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ | |
3649 | while (++MARK <= SP) { | |
3650 | sv = av_delete((AV*)hv, SvIV(*MARK), discard); | |
3651 | *MARK = sv ? sv : &PL_sv_undef; | |
3652 | } | |
3653 | } | |
3654 | else { /* pseudo-hash element */ | |
3655 | while (++MARK <= SP) { | |
3656 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); | |
3657 | *MARK = sv ? sv : &PL_sv_undef; | |
3658 | } | |
3659 | } | |
3660 | } | |
3661 | else | |
3662 | DIE(aTHX_ "Not a HASH reference"); | |
54310121 | 3663 | if (discard) |
3664 | SP = ORIGMARK; | |
3665 | else if (gimme == G_SCALAR) { | |
5f05dabc | 3666 | MARK = ORIGMARK; |
3667 | *++MARK = *SP; | |
3668 | SP = MARK; | |
3669 | } | |
3670 | } | |
3671 | else { | |
3672 | SV *keysv = POPs; | |
3673 | hv = (HV*)POPs; | |
97fcbf96 MB |
3674 | if (SvTYPE(hv) == SVt_PVHV) |
3675 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
01020589 GS |
3676 | else if (SvTYPE(hv) == SVt_PVAV) { |
3677 | if (PL_op->op_flags & OPf_SPECIAL) | |
3678 | sv = av_delete((AV*)hv, SvIV(keysv), discard); | |
3679 | else | |
3680 | sv = avhv_delete_ent((AV*)hv, keysv, discard, 0); | |
3681 | } | |
97fcbf96 | 3682 | else |
cea2e8a9 | 3683 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 3684 | if (!sv) |
3280af22 | 3685 | sv = &PL_sv_undef; |
54310121 | 3686 | if (!discard) |
3687 | PUSHs(sv); | |
79072805 | 3688 | } |
79072805 LW |
3689 | RETURN; |
3690 | } | |
3691 | ||
a0d0e21e | 3692 | PP(pp_exists) |
79072805 | 3693 | { |
39644a26 | 3694 | dSP; |
afebc493 GS |
3695 | SV *tmpsv; |
3696 | HV *hv; | |
3697 | ||
3698 | if (PL_op->op_private & OPpEXISTS_SUB) { | |
3699 | GV *gv; | |
3700 | CV *cv; | |
3701 | SV *sv = POPs; | |
3702 | cv = sv_2cv(sv, &hv, &gv, FALSE); | |
3703 | if (cv) | |
3704 | RETPUSHYES; | |
3705 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) | |
3706 | RETPUSHYES; | |
3707 | RETPUSHNO; | |
3708 | } | |
3709 | tmpsv = POPs; | |
3710 | hv = (HV*)POPs; | |
c750a3ec | 3711 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 3712 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 3713 | RETPUSHYES; |
ef54e1a4 JH |
3714 | } |
3715 | else if (SvTYPE(hv) == SVt_PVAV) { | |
01020589 GS |
3716 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
3717 | if (av_exists((AV*)hv, SvIV(tmpsv))) | |
3718 | RETPUSHYES; | |
3719 | } | |
3720 | else if (avhv_exists_ent((AV*)hv, tmpsv, 0)) /* pseudo-hash element */ | |
c750a3ec | 3721 | RETPUSHYES; |
ef54e1a4 JH |
3722 | } |
3723 | else { | |
cea2e8a9 | 3724 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 3725 | } |
a0d0e21e LW |
3726 | RETPUSHNO; |
3727 | } | |
79072805 | 3728 | |
a0d0e21e LW |
3729 | PP(pp_hslice) |
3730 | { | |
39644a26 | 3731 | dSP; dMARK; dORIGMARK; |
a0d0e21e | 3732 | register HV *hv = (HV*)POPs; |
78f9721b | 3733 | register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); |
c750a3ec | 3734 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 3735 | |
0ebe0038 | 3736 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
cea2e8a9 | 3737 | DIE(aTHX_ "Can't localize pseudo-hash element"); |
0ebe0038 | 3738 | |
c750a3ec | 3739 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 3740 | while (++MARK <= SP) { |
f12c7020 | 3741 | SV *keysv = *MARK; |
ae77835f | 3742 | SV **svp; |
d4fa047a RH |
3743 | I32 preeminent = SvRMAGICAL(hv) ? 1 : |
3744 | realhv ? hv_exists_ent(hv, keysv, 0) | |
3745 | : avhv_exists_ent((AV*)hv, keysv, 0); | |
ae77835f | 3746 | if (realhv) { |
800e9ae0 | 3747 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
ae77835f | 3748 | svp = he ? &HeVAL(he) : 0; |
ef54e1a4 JH |
3749 | } |
3750 | else { | |
97fcbf96 | 3751 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 3752 | } |
a0d0e21e | 3753 | if (lval) { |
2d8e6c8d GS |
3754 | if (!svp || *svp == &PL_sv_undef) { |
3755 | STRLEN n_a; | |
cea2e8a9 | 3756 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); |
2d8e6c8d | 3757 | } |
1f5346dc | 3758 | if (PL_op->op_private & OPpLVAL_INTRO) { |
a227d84d | 3759 | if (preeminent) |
1f5346dc SC |
3760 | save_helem(hv, keysv, svp); |
3761 | else { | |
3762 | STRLEN keylen; | |
3763 | char *key = SvPV(keysv, keylen); | |
57813020 | 3764 | SAVEDELETE(hv, savepvn(key,keylen), keylen); |
1f5346dc SC |
3765 | } |
3766 | } | |
93a17b20 | 3767 | } |
3280af22 | 3768 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3769 | } |
3770 | } | |
a0d0e21e LW |
3771 | if (GIMME != G_ARRAY) { |
3772 | MARK = ORIGMARK; | |
3773 | *++MARK = *SP; | |
3774 | SP = MARK; | |
79072805 | 3775 | } |
a0d0e21e LW |
3776 | RETURN; |
3777 | } | |
3778 | ||
3779 | /* List operators. */ | |
3780 | ||
3781 | PP(pp_list) | |
3782 | { | |
39644a26 | 3783 | dSP; dMARK; |
a0d0e21e LW |
3784 | if (GIMME != G_ARRAY) { |
3785 | if (++MARK <= SP) | |
3786 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 3787 | else |
3280af22 | 3788 | *MARK = &PL_sv_undef; |
a0d0e21e | 3789 | SP = MARK; |
79072805 | 3790 | } |
a0d0e21e | 3791 | RETURN; |
79072805 LW |
3792 | } |
3793 | ||
a0d0e21e | 3794 | PP(pp_lslice) |
79072805 | 3795 | { |
39644a26 | 3796 | dSP; |
3280af22 NIS |
3797 | SV **lastrelem = PL_stack_sp; |
3798 | SV **lastlelem = PL_stack_base + POPMARK; | |
3799 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
a0d0e21e | 3800 | register SV **firstrelem = lastlelem + 1; |
3280af22 | 3801 | I32 arybase = PL_curcop->cop_arybase; |
533c011a | 3802 | I32 lval = PL_op->op_flags & OPf_MOD; |
4633a7c4 | 3803 | I32 is_something_there = lval; |
79072805 | 3804 | |
a0d0e21e LW |
3805 | register I32 max = lastrelem - lastlelem; |
3806 | register SV **lelem; | |
3807 | register I32 ix; | |
3808 | ||
3809 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
3810 | ix = SvIVx(*lastlelem); |
3811 | if (ix < 0) | |
3812 | ix += max; | |
3813 | else | |
3814 | ix -= arybase; | |
a0d0e21e | 3815 | if (ix < 0 || ix >= max) |
3280af22 | 3816 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
3817 | else |
3818 | *firstlelem = firstrelem[ix]; | |
3819 | SP = firstlelem; | |
3820 | RETURN; | |
3821 | } | |
3822 | ||
3823 | if (max == 0) { | |
3824 | SP = firstlelem - 1; | |
3825 | RETURN; | |
3826 | } | |
3827 | ||
3828 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 3829 | ix = SvIVx(*lelem); |
c73bf8e3 | 3830 | if (ix < 0) |
a0d0e21e | 3831 | ix += max; |
b13b2135 | 3832 | else |
748a9306 | 3833 | ix -= arybase; |
c73bf8e3 HS |
3834 | if (ix < 0 || ix >= max) |
3835 | *lelem = &PL_sv_undef; | |
3836 | else { | |
3837 | is_something_there = TRUE; | |
3838 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 3839 | *lelem = &PL_sv_undef; |
748a9306 | 3840 | } |
79072805 | 3841 | } |
4633a7c4 LW |
3842 | if (is_something_there) |
3843 | SP = lastlelem; | |
3844 | else | |
3845 | SP = firstlelem - 1; | |
79072805 LW |
3846 | RETURN; |
3847 | } | |
3848 | ||
a0d0e21e LW |
3849 | PP(pp_anonlist) |
3850 | { | |
39644a26 | 3851 | dSP; dMARK; dORIGMARK; |
a0d0e21e | 3852 | I32 items = SP - MARK; |
44a8e56a | 3853 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
3854 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
3855 | XPUSHs(av); | |
a0d0e21e LW |
3856 | RETURN; |
3857 | } | |
3858 | ||
3859 | PP(pp_anonhash) | |
79072805 | 3860 | { |
39644a26 | 3861 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3862 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
3863 | ||
3864 | while (MARK < SP) { | |
3865 | SV* key = *++MARK; | |
a0d0e21e LW |
3866 | SV *val = NEWSV(46, 0); |
3867 | if (MARK < SP) | |
3868 | sv_setsv(val, *++MARK); | |
e476b1b5 | 3869 | else if (ckWARN(WARN_MISC)) |
b21befc1 | 3870 | Perl_warner(aTHX_ WARN_MISC, "Odd number of elements in anonymous hash"); |
f12c7020 | 3871 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 3872 | } |
a0d0e21e LW |
3873 | SP = ORIGMARK; |
3874 | XPUSHs((SV*)hv); | |
79072805 LW |
3875 | RETURN; |
3876 | } | |
3877 | ||
a0d0e21e | 3878 | PP(pp_splice) |
79072805 | 3879 | { |
39644a26 | 3880 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3881 | register AV *ary = (AV*)*++MARK; |
3882 | register SV **src; | |
3883 | register SV **dst; | |
3884 | register I32 i; | |
3885 | register I32 offset; | |
3886 | register I32 length; | |
3887 | I32 newlen; | |
3888 | I32 after; | |
3889 | I32 diff; | |
3890 | SV **tmparyval = 0; | |
93965878 NIS |
3891 | MAGIC *mg; |
3892 | ||
14befaf4 | 3893 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
33c27489 | 3894 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 | 3895 | PUSHMARK(MARK); |
8ec5e241 | 3896 | PUTBACK; |
a60c0954 | 3897 | ENTER; |
864dbfa3 | 3898 | call_method("SPLICE",GIMME_V); |
a60c0954 | 3899 | LEAVE; |
93965878 NIS |
3900 | SPAGAIN; |
3901 | RETURN; | |
3902 | } | |
79072805 | 3903 | |
a0d0e21e | 3904 | SP++; |
79072805 | 3905 | |
a0d0e21e | 3906 | if (++MARK < SP) { |
84902520 | 3907 | offset = i = SvIVx(*MARK); |
a0d0e21e | 3908 | if (offset < 0) |
93965878 | 3909 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 3910 | else |
3280af22 | 3911 | offset -= PL_curcop->cop_arybase; |
84902520 | 3912 | if (offset < 0) |
cea2e8a9 | 3913 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |
3914 | if (++MARK < SP) { |
3915 | length = SvIVx(*MARK++); | |
48cdf507 GA |
3916 | if (length < 0) { |
3917 | length += AvFILLp(ary) - offset + 1; | |
3918 | if (length < 0) | |
3919 | length = 0; | |
3920 | } | |
79072805 LW |
3921 | } |
3922 | else | |
a0d0e21e | 3923 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 3924 | } |
a0d0e21e LW |
3925 | else { |
3926 | offset = 0; | |
3927 | length = AvMAX(ary) + 1; | |
3928 | } | |
8cbc2e3b JH |
3929 | if (offset > AvFILLp(ary) + 1) { |
3930 | if (ckWARN(WARN_MISC)) | |
3931 | Perl_warner(aTHX_ WARN_MISC, "splice() offset past end of array" ); | |
93965878 | 3932 | offset = AvFILLp(ary) + 1; |
8cbc2e3b | 3933 | } |
93965878 | 3934 | after = AvFILLp(ary) + 1 - (offset + length); |
a0d0e21e LW |
3935 | if (after < 0) { /* not that much array */ |
3936 | length += after; /* offset+length now in array */ | |
3937 | after = 0; | |
3938 | if (!AvALLOC(ary)) | |
3939 | av_extend(ary, 0); | |
3940 | } | |
3941 | ||
3942 | /* At this point, MARK .. SP-1 is our new LIST */ | |
3943 | ||
3944 | newlen = SP - MARK; | |
3945 | diff = newlen - length; | |
13d7cbc1 GS |
3946 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
3947 | av_reify(ary); | |
a0d0e21e LW |
3948 | |
3949 | if (diff < 0) { /* shrinking the area */ | |
3950 | if (newlen) { | |
3951 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
3952 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 3953 | } |
a0d0e21e LW |
3954 | |
3955 | MARK = ORIGMARK + 1; | |
3956 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
3957 | MEXTEND(MARK, length); | |
3958 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
3959 | if (AvREAL(ary)) { | |
bbce6d69 | 3960 | EXTEND_MORTAL(length); |
36477c24 | 3961 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 3962 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 3963 | dst++; |
3964 | } | |
a0d0e21e LW |
3965 | } |
3966 | MARK += length - 1; | |
79072805 | 3967 | } |
a0d0e21e LW |
3968 | else { |
3969 | *MARK = AvARRAY(ary)[offset+length-1]; | |
3970 | if (AvREAL(ary)) { | |
d689ffdd | 3971 | sv_2mortal(*MARK); |
a0d0e21e LW |
3972 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
3973 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 3974 | } |
a0d0e21e | 3975 | } |
93965878 | 3976 | AvFILLp(ary) += diff; |
a0d0e21e LW |
3977 | |
3978 | /* pull up or down? */ | |
3979 | ||
3980 | if (offset < after) { /* easier to pull up */ | |
3981 | if (offset) { /* esp. if nothing to pull */ | |
3982 | src = &AvARRAY(ary)[offset-1]; | |
3983 | dst = src - diff; /* diff is negative */ | |
3984 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
3985 | *dst-- = *src--; | |
79072805 | 3986 | } |
a0d0e21e LW |
3987 | dst = AvARRAY(ary); |
3988 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
3989 | AvMAX(ary) += diff; | |
3990 | } | |
3991 | else { | |
3992 | if (after) { /* anything to pull down? */ | |
3993 | src = AvARRAY(ary) + offset + length; | |
3994 | dst = src + diff; /* diff is negative */ | |
3995 | Move(src, dst, after, SV*); | |
79072805 | 3996 | } |
93965878 | 3997 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
3998 | /* avoid later double free */ |
3999 | } | |
4000 | i = -diff; | |
4001 | while (i) | |
3280af22 | 4002 | dst[--i] = &PL_sv_undef; |
a0d0e21e LW |
4003 | |
4004 | if (newlen) { | |
4005 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
4006 | newlen; newlen--) { | |
4007 | *dst = NEWSV(46, 0); | |
4008 | sv_setsv(*dst++, *src++); | |
79072805 | 4009 | } |
a0d0e21e LW |
4010 | Safefree(tmparyval); |
4011 | } | |
4012 | } | |
4013 | else { /* no, expanding (or same) */ | |
4014 | if (length) { | |
4015 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
4016 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
4017 | } | |
4018 | ||
4019 | if (diff > 0) { /* expanding */ | |
4020 | ||
4021 | /* push up or down? */ | |
4022 | ||
4023 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
4024 | if (offset) { | |
4025 | src = AvARRAY(ary); | |
4026 | dst = src - diff; | |
4027 | Move(src, dst, offset, SV*); | |
79072805 | 4028 | } |
a0d0e21e LW |
4029 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
4030 | AvMAX(ary) += diff; | |
93965878 | 4031 | AvFILLp(ary) += diff; |
79072805 LW |
4032 | } |
4033 | else { | |
93965878 NIS |
4034 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
4035 | av_extend(ary, AvFILLp(ary) + diff); | |
4036 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
4037 | |
4038 | if (after) { | |
93965878 | 4039 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
4040 | src = dst - diff; |
4041 | for (i = after; i; i--) { | |
4042 | *dst-- = *src--; | |
4043 | } | |
79072805 LW |
4044 | } |
4045 | } | |
a0d0e21e LW |
4046 | } |
4047 | ||
4048 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
4049 | *dst = NEWSV(46, 0); | |
4050 | sv_setsv(*dst++, *src++); | |
4051 | } | |
4052 | MARK = ORIGMARK + 1; | |
4053 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
4054 | if (length) { | |
4055 | Copy(tmparyval, MARK, length, SV*); | |
4056 | if (AvREAL(ary)) { | |
bbce6d69 | 4057 | EXTEND_MORTAL(length); |
36477c24 | 4058 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 4059 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 4060 | dst++; |
4061 | } | |
79072805 | 4062 | } |
a0d0e21e | 4063 | Safefree(tmparyval); |
79072805 | 4064 | } |
a0d0e21e LW |
4065 | MARK += length - 1; |
4066 | } | |
4067 | else if (length--) { | |
4068 | *MARK = tmparyval[length]; | |
4069 | if (AvREAL(ary)) { | |
d689ffdd | 4070 | sv_2mortal(*MARK); |
a0d0e21e LW |
4071 | while (length-- > 0) |
4072 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 4073 | } |
a0d0e21e | 4074 | Safefree(tmparyval); |
79072805 | 4075 | } |
a0d0e21e | 4076 | else |
3280af22 | 4077 | *MARK = &PL_sv_undef; |
79072805 | 4078 | } |
a0d0e21e | 4079 | SP = MARK; |
79072805 LW |
4080 | RETURN; |
4081 | } | |
4082 | ||
a0d0e21e | 4083 | PP(pp_push) |
79072805 | 4084 | { |
39644a26 | 4085 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 4086 | register AV *ary = (AV*)*++MARK; |
3280af22 | 4087 | register SV *sv = &PL_sv_undef; |
93965878 | 4088 | MAGIC *mg; |
79072805 | 4089 | |
14befaf4 | 4090 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
33c27489 | 4091 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 NIS |
4092 | PUSHMARK(MARK); |
4093 | PUTBACK; | |
a60c0954 | 4094 | ENTER; |
864dbfa3 | 4095 | call_method("PUSH",G_SCALAR|G_DISCARD); |
a60c0954 | 4096 | LEAVE; |
93965878 | 4097 | SPAGAIN; |
93965878 | 4098 | } |
a60c0954 NIS |
4099 | else { |
4100 | /* Why no pre-extend of ary here ? */ | |
4101 | for (++MARK; MARK <= SP; MARK++) { | |
4102 | sv = NEWSV(51, 0); | |
4103 | if (*MARK) | |
4104 | sv_setsv(sv, *MARK); | |
4105 | av_push(ary, sv); | |
4106 | } | |
79072805 LW |
4107 | } |
4108 | SP = ORIGMARK; | |
a0d0e21e | 4109 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
4110 | RETURN; |
4111 | } | |
4112 | ||
a0d0e21e | 4113 | PP(pp_pop) |
79072805 | 4114 | { |
39644a26 | 4115 | dSP; |
a0d0e21e LW |
4116 | AV *av = (AV*)POPs; |
4117 | SV *sv = av_pop(av); | |
d689ffdd | 4118 | if (AvREAL(av)) |
a0d0e21e LW |
4119 | (void)sv_2mortal(sv); |
4120 | PUSHs(sv); | |
79072805 | 4121 | RETURN; |
79072805 LW |
4122 | } |
4123 | ||
a0d0e21e | 4124 | PP(pp_shift) |
79072805 | 4125 | { |
39644a26 | 4126 | dSP; |
a0d0e21e LW |
4127 | AV *av = (AV*)POPs; |
4128 | SV *sv = av_shift(av); | |
79072805 | 4129 | EXTEND(SP, 1); |
a0d0e21e | 4130 | if (!sv) |
79072805 | 4131 | RETPUSHUNDEF; |
d689ffdd | 4132 | if (AvREAL(av)) |
a0d0e21e LW |
4133 | (void)sv_2mortal(sv); |
4134 | PUSHs(sv); | |
79072805 | 4135 | RETURN; |
79072805 LW |
4136 | } |
4137 | ||
a0d0e21e | 4138 | PP(pp_unshift) |
79072805 | 4139 | { |
39644a26 | 4140 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
4141 | register AV *ary = (AV*)*++MARK; |
4142 | register SV *sv; | |
4143 | register I32 i = 0; | |
93965878 NIS |
4144 | MAGIC *mg; |
4145 | ||
14befaf4 | 4146 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
33c27489 | 4147 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
7fd66d9d | 4148 | PUSHMARK(MARK); |
93965878 | 4149 | PUTBACK; |
a60c0954 | 4150 | ENTER; |
864dbfa3 | 4151 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
a60c0954 | 4152 | LEAVE; |
93965878 | 4153 | SPAGAIN; |
93965878 | 4154 | } |
a60c0954 NIS |
4155 | else { |
4156 | av_unshift(ary, SP - MARK); | |
4157 | while (MARK < SP) { | |
4158 | sv = NEWSV(27, 0); | |
4159 | sv_setsv(sv, *++MARK); | |
4160 | (void)av_store(ary, i++, sv); | |
4161 | } | |
79072805 | 4162 | } |
a0d0e21e LW |
4163 | SP = ORIGMARK; |
4164 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 4165 | RETURN; |
79072805 LW |
4166 | } |
4167 | ||
a0d0e21e | 4168 | PP(pp_reverse) |
79072805 | 4169 | { |
39644a26 | 4170 | dSP; dMARK; |
a0d0e21e LW |
4171 | register SV *tmp; |
4172 | SV **oldsp = SP; | |
79072805 | 4173 | |
a0d0e21e LW |
4174 | if (GIMME == G_ARRAY) { |
4175 | MARK++; | |
4176 | while (MARK < SP) { | |
4177 | tmp = *MARK; | |
4178 | *MARK++ = *SP; | |
4179 | *SP-- = tmp; | |
4180 | } | |
dd58a1ab | 4181 | /* safe as long as stack cannot get extended in the above */ |
a0d0e21e | 4182 | SP = oldsp; |
79072805 LW |
4183 | } |
4184 | else { | |
a0d0e21e LW |
4185 | register char *up; |
4186 | register char *down; | |
4187 | register I32 tmp; | |
4188 | dTARGET; | |
4189 | STRLEN len; | |
79072805 | 4190 | |
7e2040f0 | 4191 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 4192 | if (SP - MARK > 1) |
3280af22 | 4193 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 4194 | else |
54b9620d | 4195 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
4196 | up = SvPV_force(TARG, len); |
4197 | if (len > 1) { | |
7e2040f0 | 4198 | if (DO_UTF8(TARG)) { /* first reverse each character */ |
dfe13c55 GS |
4199 | U8* s = (U8*)SvPVX(TARG); |
4200 | U8* send = (U8*)(s + len); | |
a0ed51b3 | 4201 | while (s < send) { |
d742c382 | 4202 | if (UTF8_IS_INVARIANT(*s)) { |
a0ed51b3 LW |
4203 | s++; |
4204 | continue; | |
4205 | } | |
4206 | else { | |
9041c2e3 | 4207 | if (!utf8_to_uvchr(s, 0)) |
a0dbb045 | 4208 | break; |
dfe13c55 | 4209 | up = (char*)s; |
a0ed51b3 | 4210 | s += UTF8SKIP(s); |
dfe13c55 | 4211 | down = (char*)(s - 1); |
a0dbb045 | 4212 | /* reverse this character */ |
a0ed51b3 LW |
4213 | while (down > up) { |
4214 | tmp = *up; | |
4215 | *up++ = *down; | |
4216 | *down-- = tmp; | |
4217 | } | |
4218 | } | |
4219 | } | |
4220 | up = SvPVX(TARG); | |
4221 | } | |
a0d0e21e LW |
4222 | down = SvPVX(TARG) + len - 1; |
4223 | while (down > up) { | |
4224 | tmp = *up; | |
4225 | *up++ = *down; | |
4226 | *down-- = tmp; | |
4227 | } | |
3aa33fe5 | 4228 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 4229 | } |
a0d0e21e LW |
4230 | SP = MARK + 1; |
4231 | SETTARG; | |
79072805 | 4232 | } |
a0d0e21e | 4233 | RETURN; |
79072805 LW |
4234 | } |
4235 | ||
a0d0e21e | 4236 | PP(pp_split) |
79072805 | 4237 | { |
39644a26 | 4238 | dSP; dTARG; |
a0d0e21e | 4239 | AV *ary; |
467f0320 | 4240 | register IV limit = POPi; /* note, negative is forever */ |
a0d0e21e LW |
4241 | SV *sv = POPs; |
4242 | STRLEN len; | |
4243 | register char *s = SvPV(sv, len); | |
1aa99e6b | 4244 | bool do_utf8 = DO_UTF8(sv); |
a0d0e21e | 4245 | char *strend = s + len; |
44a8e56a | 4246 | register PMOP *pm; |
d9f97599 | 4247 | register REGEXP *rx; |
a0d0e21e LW |
4248 | register SV *dstr; |
4249 | register char *m; | |
4250 | I32 iters = 0; | |
792b2c16 JH |
4251 | STRLEN slen = do_utf8 ? utf8_length((U8*)s, (U8*)strend) : (strend - s); |
4252 | I32 maxiters = slen + 10; | |
a0d0e21e LW |
4253 | I32 i; |
4254 | char *orig; | |
4255 | I32 origlimit = limit; | |
4256 | I32 realarray = 0; | |
4257 | I32 base; | |
3280af22 | 4258 | AV *oldstack = PL_curstack; |
54310121 | 4259 | I32 gimme = GIMME_V; |
3280af22 | 4260 | I32 oldsave = PL_savestack_ix; |
8ec5e241 NIS |
4261 | I32 make_mortal = 1; |
4262 | MAGIC *mg = (MAGIC *) NULL; | |
79072805 | 4263 | |
44a8e56a | 4264 | #ifdef DEBUGGING |
4265 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
4266 | #else | |
4267 | pm = (PMOP*)POPs; | |
4268 | #endif | |
a0d0e21e | 4269 | if (!pm || !s) |
2269b42e | 4270 | DIE(aTHX_ "panic: pp_split"); |
aaa362c4 | 4271 | rx = PM_GETRE(pm); |
bbce6d69 | 4272 | |
4273 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
4274 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
4275 | ||
53c4c00c | 4276 | PL_reg_match_utf8 = do_utf8; |
d9f424b2 | 4277 | |
971a9dd3 GS |
4278 | if (pm->op_pmreplroot) { |
4279 | #ifdef USE_ITHREADS | |
cbfa9890 | 4280 | ary = GvAVn((GV*)PL_curpad[INT2PTR(PADOFFSET, pm->op_pmreplroot)]); |
971a9dd3 | 4281 | #else |
a0d0e21e | 4282 | ary = GvAVn((GV*)pm->op_pmreplroot); |
971a9dd3 GS |
4283 | #endif |
4284 | } | |
a0d0e21e | 4285 | else if (gimme != G_ARRAY) |
4d1ff10f | 4286 | #ifdef USE_5005THREADS |
533c011a | 4287 | ary = (AV*)PL_curpad[0]; |
6d4ff0d2 | 4288 | #else |
3280af22 | 4289 | ary = GvAVn(PL_defgv); |
4d1ff10f | 4290 | #endif /* USE_5005THREADS */ |
79072805 | 4291 | else |
a0d0e21e LW |
4292 | ary = Nullav; |
4293 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
4294 | realarray = 1; | |
8ec5e241 | 4295 | PUTBACK; |
a0d0e21e LW |
4296 | av_extend(ary,0); |
4297 | av_clear(ary); | |
8ec5e241 | 4298 | SPAGAIN; |
14befaf4 | 4299 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
8ec5e241 | 4300 | PUSHMARK(SP); |
33c27489 | 4301 | XPUSHs(SvTIED_obj((SV*)ary, mg)); |
8ec5e241 NIS |
4302 | } |
4303 | else { | |
1c0b011c NIS |
4304 | if (!AvREAL(ary)) { |
4305 | AvREAL_on(ary); | |
abff13bb | 4306 | AvREIFY_off(ary); |
1c0b011c | 4307 | for (i = AvFILLp(ary); i >= 0; i--) |
3280af22 | 4308 | AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */ |
1c0b011c NIS |
4309 | } |
4310 | /* temporarily switch stacks */ | |
3280af22 | 4311 | SWITCHSTACK(PL_curstack, ary); |
8ec5e241 | 4312 | make_mortal = 0; |
1c0b011c | 4313 | } |
79072805 | 4314 | } |
3280af22 | 4315 | base = SP - PL_stack_base; |
a0d0e21e LW |
4316 | orig = s; |
4317 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 4318 | if (pm->op_pmflags & PMf_LOCALE) { |
4319 | while (isSPACE_LC(*s)) | |
4320 | s++; | |
4321 | } | |
4322 | else { | |
4323 | while (isSPACE(*s)) | |
4324 | s++; | |
4325 | } | |
a0d0e21e | 4326 | } |
c07a80fd | 4327 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3280af22 NIS |
4328 | SAVEINT(PL_multiline); |
4329 | PL_multiline = pm->op_pmflags & PMf_MULTILINE; | |
c07a80fd | 4330 | } |
4331 | ||
a0d0e21e LW |
4332 | if (!limit) |
4333 | limit = maxiters + 2; | |
4334 | if (pm->op_pmflags & PMf_WHITE) { | |
4335 | while (--limit) { | |
bbce6d69 | 4336 | m = s; |
4337 | while (m < strend && | |
4338 | !((pm->op_pmflags & PMf_LOCALE) | |
4339 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
4340 | ++m; | |
a0d0e21e LW |
4341 | if (m >= strend) |
4342 | break; | |
bbce6d69 | 4343 | |
a0d0e21e LW |
4344 | dstr = NEWSV(30, m-s); |
4345 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4346 | if (make_mortal) |
a0d0e21e | 4347 | sv_2mortal(dstr); |
792b2c16 | 4348 | if (do_utf8) |
28cb3359 | 4349 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4350 | XPUSHs(dstr); |
bbce6d69 | 4351 | |
4352 | s = m + 1; | |
4353 | while (s < strend && | |
4354 | ((pm->op_pmflags & PMf_LOCALE) | |
4355 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
4356 | ++s; | |
79072805 LW |
4357 | } |
4358 | } | |
f4091fba | 4359 | else if (strEQ("^", rx->precomp)) { |
a0d0e21e LW |
4360 | while (--limit) { |
4361 | /*SUPPRESS 530*/ | |
4362 | for (m = s; m < strend && *m != '\n'; m++) ; | |
4363 | m++; | |
4364 | if (m >= strend) | |
4365 | break; | |
4366 | dstr = NEWSV(30, m-s); | |
4367 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4368 | if (make_mortal) |
a0d0e21e | 4369 | sv_2mortal(dstr); |
792b2c16 | 4370 | if (do_utf8) |
28cb3359 | 4371 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4372 | XPUSHs(dstr); |
4373 | s = m; | |
4374 | } | |
4375 | } | |
699c3c34 JH |
4376 | else if (do_utf8 == ((rx->reganch & ROPT_UTF8) != 0) && |
4377 | (rx->reganch & RE_USE_INTUIT) && !rx->nparens | |
d9f97599 GS |
4378 | && (rx->reganch & ROPT_CHECK_ALL) |
4379 | && !(rx->reganch & ROPT_ANCH)) { | |
f722798b IZ |
4380 | int tail = (rx->reganch & RE_INTUIT_TAIL); |
4381 | SV *csv = CALLREG_INTUIT_STRING(aTHX_ rx); | |
cf93c79d | 4382 | |
ca5b42cb | 4383 | len = rx->minlen; |
1aa99e6b | 4384 | if (len == 1 && !(rx->reganch & ROPT_UTF8) && !tail) { |
93f04dac JH |
4385 | STRLEN n_a; |
4386 | char c = *SvPV(csv, n_a); | |
a0d0e21e | 4387 | while (--limit) { |
bbce6d69 | 4388 | /*SUPPRESS 530*/ |
f722798b | 4389 | for (m = s; m < strend && *m != c; m++) ; |
a0d0e21e LW |
4390 | if (m >= strend) |
4391 | break; | |
4392 | dstr = NEWSV(30, m-s); | |
4393 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4394 | if (make_mortal) |
a0d0e21e | 4395 | sv_2mortal(dstr); |
792b2c16 | 4396 | if (do_utf8) |
28cb3359 | 4397 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4398 | XPUSHs(dstr); |
93f04dac JH |
4399 | /* The rx->minlen is in characters but we want to step |
4400 | * s ahead by bytes. */ | |
1aa99e6b IH |
4401 | if (do_utf8) |
4402 | s = (char*)utf8_hop((U8*)m, len); | |
4403 | else | |
4404 | s = m + len; /* Fake \n at the end */ | |
a0d0e21e LW |
4405 | } |
4406 | } | |
4407 | else { | |
4408 | #ifndef lint | |
4409 | while (s < strend && --limit && | |
f722798b IZ |
4410 | (m = fbm_instr((unsigned char*)s, (unsigned char*)strend, |
4411 | csv, PL_multiline ? FBMrf_MULTILINE : 0)) ) | |
79072805 | 4412 | #endif |
a0d0e21e LW |
4413 | { |
4414 | dstr = NEWSV(31, m-s); | |
4415 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4416 | if (make_mortal) |
a0d0e21e | 4417 | sv_2mortal(dstr); |
792b2c16 | 4418 | if (do_utf8) |
28cb3359 | 4419 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4420 | XPUSHs(dstr); |
93f04dac JH |
4421 | /* The rx->minlen is in characters but we want to step |
4422 | * s ahead by bytes. */ | |
1aa99e6b IH |
4423 | if (do_utf8) |
4424 | s = (char*)utf8_hop((U8*)m, len); | |
4425 | else | |
4426 | s = m + len; /* Fake \n at the end */ | |
a0d0e21e | 4427 | } |
463ee0b2 | 4428 | } |
463ee0b2 | 4429 | } |
a0d0e21e | 4430 | else { |
792b2c16 | 4431 | maxiters += slen * rx->nparens; |
f722798b | 4432 | while (s < strend && --limit |
b13b2135 | 4433 | /* && (!rx->check_substr |
f722798b IZ |
4434 | || ((s = CALLREG_INTUIT_START(aTHX_ rx, sv, s, strend, |
4435 | 0, NULL)))) | |
4436 | */ && CALLREGEXEC(aTHX_ rx, s, strend, orig, | |
4437 | 1 /* minend */, sv, NULL, 0)) | |
bbce6d69 | 4438 | { |
d9f97599 | 4439 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
cf93c79d | 4440 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
a0d0e21e LW |
4441 | m = s; |
4442 | s = orig; | |
cf93c79d | 4443 | orig = rx->subbeg; |
a0d0e21e LW |
4444 | s = orig + (m - s); |
4445 | strend = s + (strend - m); | |
4446 | } | |
cf93c79d | 4447 | m = rx->startp[0] + orig; |
a0d0e21e LW |
4448 | dstr = NEWSV(32, m-s); |
4449 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4450 | if (make_mortal) |
a0d0e21e | 4451 | sv_2mortal(dstr); |
792b2c16 | 4452 | if (do_utf8) |
28cb3359 | 4453 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4454 | XPUSHs(dstr); |
d9f97599 GS |
4455 | if (rx->nparens) { |
4456 | for (i = 1; i <= rx->nparens; i++) { | |
cf93c79d IZ |
4457 | s = rx->startp[i] + orig; |
4458 | m = rx->endp[i] + orig; | |
6de67870 JP |
4459 | |
4460 | /* japhy (07/27/01) -- the (m && s) test doesn't catch | |
4461 | parens that didn't match -- they should be set to | |
4462 | undef, not the empty string */ | |
4463 | if (m >= orig && s >= orig) { | |
748a9306 LW |
4464 | dstr = NEWSV(33, m-s); |
4465 | sv_setpvn(dstr, s, m-s); | |
4466 | } | |
4467 | else | |
6de67870 | 4468 | dstr = &PL_sv_undef; /* undef, not "" */ |
8ec5e241 | 4469 | if (make_mortal) |
a0d0e21e | 4470 | sv_2mortal(dstr); |
792b2c16 | 4471 | if (do_utf8) |
28cb3359 | 4472 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4473 | XPUSHs(dstr); |
4474 | } | |
4475 | } | |
cf93c79d | 4476 | s = rx->endp[0] + orig; |
a0d0e21e | 4477 | } |
79072805 | 4478 | } |
8ec5e241 | 4479 | |
c07a80fd | 4480 | LEAVE_SCOPE(oldsave); |
3280af22 | 4481 | iters = (SP - PL_stack_base) - base; |
a0d0e21e | 4482 | if (iters > maxiters) |
cea2e8a9 | 4483 | DIE(aTHX_ "Split loop"); |
8ec5e241 | 4484 | |
a0d0e21e LW |
4485 | /* keep field after final delim? */ |
4486 | if (s < strend || (iters && origlimit)) { | |
93f04dac JH |
4487 | STRLEN l = strend - s; |
4488 | dstr = NEWSV(34, l); | |
4489 | sv_setpvn(dstr, s, l); | |
8ec5e241 | 4490 | if (make_mortal) |
a0d0e21e | 4491 | sv_2mortal(dstr); |
792b2c16 | 4492 | if (do_utf8) |
28cb3359 | 4493 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4494 | XPUSHs(dstr); |
4495 | iters++; | |
79072805 | 4496 | } |
a0d0e21e | 4497 | else if (!origlimit) { |
b1dadf13 | 4498 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e LW |
4499 | iters--, SP--; |
4500 | } | |
8ec5e241 | 4501 | |
a0d0e21e | 4502 | if (realarray) { |
8ec5e241 | 4503 | if (!mg) { |
1c0b011c NIS |
4504 | SWITCHSTACK(ary, oldstack); |
4505 | if (SvSMAGICAL(ary)) { | |
4506 | PUTBACK; | |
4507 | mg_set((SV*)ary); | |
4508 | SPAGAIN; | |
4509 | } | |
4510 | if (gimme == G_ARRAY) { | |
4511 | EXTEND(SP, iters); | |
4512 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
4513 | SP += iters; | |
4514 | RETURN; | |
4515 | } | |
8ec5e241 | 4516 | } |
1c0b011c | 4517 | else { |
fb73857a | 4518 | PUTBACK; |
8ec5e241 | 4519 | ENTER; |
864dbfa3 | 4520 | call_method("PUSH",G_SCALAR|G_DISCARD); |
8ec5e241 | 4521 | LEAVE; |
fb73857a | 4522 | SPAGAIN; |
8ec5e241 NIS |
4523 | if (gimme == G_ARRAY) { |
4524 | /* EXTEND should not be needed - we just popped them */ | |
4525 | EXTEND(SP, iters); | |
4526 | for (i=0; i < iters; i++) { | |
4527 | SV **svp = av_fetch(ary, i, FALSE); | |
3280af22 | 4528 | PUSHs((svp) ? *svp : &PL_sv_undef); |
8ec5e241 | 4529 | } |
1c0b011c NIS |
4530 | RETURN; |
4531 | } | |
a0d0e21e LW |
4532 | } |
4533 | } | |
4534 | else { | |
4535 | if (gimme == G_ARRAY) | |
4536 | RETURN; | |
4537 | } | |
4538 | if (iters || !pm->op_pmreplroot) { | |
4539 | GETTARGET; | |
4540 | PUSHi(iters); | |
4541 | RETURN; | |
4542 | } | |
4543 | RETPUSHUNDEF; | |
79072805 | 4544 | } |
85e6fe83 | 4545 | |
4d1ff10f | 4546 | #ifdef USE_5005THREADS |
77a005ab | 4547 | void |
864dbfa3 | 4548 | Perl_unlock_condpair(pTHX_ void *svv) |
c0329465 | 4549 | { |
14befaf4 | 4550 | MAGIC *mg = mg_find((SV*)svv, PERL_MAGIC_mutex); |
8ec5e241 | 4551 | |
c0329465 | 4552 | if (!mg) |
cea2e8a9 | 4553 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking non-mutex"); |
c0329465 MB |
4554 | MUTEX_LOCK(MgMUTEXP(mg)); |
4555 | if (MgOWNER(mg) != thr) | |
cea2e8a9 | 4556 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking mutex that we don't own"); |
c0329465 MB |
4557 | MgOWNER(mg) = 0; |
4558 | COND_SIGNAL(MgOWNERCONDP(mg)); | |
b900a521 | 4559 | DEBUG_S(PerlIO_printf(Perl_debug_log, "0x%"UVxf": unlock 0x%"UVxf"\n", |
a674cc95 | 4560 | PTR2UV(thr), PTR2UV(svv))); |
c0329465 MB |
4561 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
4562 | } | |
4d1ff10f | 4563 | #endif /* USE_5005THREADS */ |
c0329465 MB |
4564 | |
4565 | PP(pp_lock) | |
4566 | { | |
39644a26 | 4567 | dSP; |
c0329465 | 4568 | dTOPss; |
e55aaa0e | 4569 | SV *retsv = sv; |
68795e93 | 4570 | SvLOCK(sv); |
e55aaa0e MB |
4571 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
4572 | || SvTYPE(retsv) == SVt_PVCV) { | |
4573 | retsv = refto(retsv); | |
4574 | } | |
4575 | SETs(retsv); | |
c0329465 MB |
4576 | RETURN; |
4577 | } | |
a863c7d1 | 4578 | |
2faa37cc | 4579 | PP(pp_threadsv) |
a863c7d1 | 4580 | { |
4d1ff10f | 4581 | #ifdef USE_5005THREADS |
39644a26 | 4582 | dSP; |
924508f0 | 4583 | EXTEND(SP, 1); |
533c011a NIS |
4584 | if (PL_op->op_private & OPpLVAL_INTRO) |
4585 | PUSHs(*save_threadsv(PL_op->op_targ)); | |
554b3eca | 4586 | else |
533c011a | 4587 | PUSHs(THREADSV(PL_op->op_targ)); |
fdb47d66 | 4588 | RETURN; |
a863c7d1 | 4589 | #else |
cea2e8a9 | 4590 | DIE(aTHX_ "tried to access per-thread data in non-threaded perl"); |
4d1ff10f | 4591 | #endif /* USE_5005THREADS */ |
a863c7d1 | 4592 | } |