Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
4bb101f2 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
770526c1 | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others |
79072805 | 5 | * |
a0d0e21e LW |
6 | * You may distribute under the terms of either the GNU General Public |
7 | * License or the Artistic License, as specified in the README file. | |
79072805 | 8 | * |
a0d0e21e LW |
9 | */ |
10 | ||
11 | /* | |
12 | * "It's a big house this, and very peculiar. Always a bit more to discover, | |
13 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise | |
14 | */ | |
79072805 | 15 | |
166f8a29 DM |
16 | /* This file contains general pp ("push/pop") functions that execute the |
17 | * opcodes that make up a perl program. A typical pp function expects to | |
18 | * find its arguments on the stack, and usually pushes its results onto | |
19 | * the stack, hence the 'pp' terminology. Each OP structure contains | |
20 | * a pointer to the relevant pp_foo() function. | |
21 | */ | |
22 | ||
79072805 | 23 | #include "EXTERN.h" |
864dbfa3 | 24 | #define PERL_IN_PP_C |
79072805 | 25 | #include "perl.h" |
77bc9082 | 26 | #include "keywords.h" |
79072805 | 27 | |
a4af207c JH |
28 | #include "reentr.h" |
29 | ||
dfe9444c AD |
30 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ |
31 | it, since pid_t is an integral type. | |
32 | --AD 2/20/1998 | |
33 | */ | |
34 | #ifdef NEED_GETPID_PROTO | |
35 | extern Pid_t getpid (void); | |
8ac85365 NIS |
36 | #endif |
37 | ||
0630166f SP |
38 | /* |
39 | * Some BSDs and Cygwin default to POSIX math instead of IEEE. | |
40 | * This switches them over to IEEE. | |
41 | */ | |
42 | #if defined(LIBM_LIB_VERSION) | |
43 | _LIB_VERSION_TYPE _LIB_VERSION = _IEEE_; | |
44 | #endif | |
45 | ||
13017935 SM |
46 | /* variations on pp_null */ |
47 | ||
93a17b20 LW |
48 | PP(pp_stub) |
49 | { | |
39644a26 | 50 | dSP; |
54310121 | 51 | if (GIMME_V == G_SCALAR) |
3280af22 | 52 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
53 | RETURN; |
54 | } | |
55 | ||
79072805 LW |
56 | /* Pushy stuff. */ |
57 | ||
93a17b20 LW |
58 | PP(pp_padav) |
59 | { | |
39644a26 | 60 | dSP; dTARGET; |
13017935 | 61 | I32 gimme; |
533c011a | 62 | if (PL_op->op_private & OPpLVAL_INTRO) |
dd2155a4 | 63 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); |
85e6fe83 | 64 | EXTEND(SP, 1); |
533c011a | 65 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 66 | PUSHs(TARG); |
93a17b20 | 67 | RETURN; |
78f9721b SM |
68 | } else if (LVRET) { |
69 | if (GIMME == G_SCALAR) | |
70 | Perl_croak(aTHX_ "Can't return array to lvalue scalar context"); | |
71 | PUSHs(TARG); | |
72 | RETURN; | |
85e6fe83 | 73 | } |
13017935 SM |
74 | gimme = GIMME_V; |
75 | if (gimme == G_ARRAY) { | |
f54cb97a | 76 | const I32 maxarg = AvFILL((AV*)TARG) + 1; |
85e6fe83 | 77 | EXTEND(SP, maxarg); |
93965878 NIS |
78 | if (SvMAGICAL(TARG)) { |
79 | U32 i; | |
eb160463 | 80 | for (i=0; i < (U32)maxarg; i++) { |
1b6737cc | 81 | SV ** const svp = av_fetch((AV*)TARG, i, FALSE); |
3280af22 | 82 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
83 | } |
84 | } | |
85 | else { | |
86 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
87 | } | |
85e6fe83 LW |
88 | SP += maxarg; |
89 | } | |
13017935 | 90 | else if (gimme == G_SCALAR) { |
1b6737cc | 91 | SV* const sv = sv_newmortal(); |
f54cb97a | 92 | const I32 maxarg = AvFILL((AV*)TARG) + 1; |
85e6fe83 LW |
93 | sv_setiv(sv, maxarg); |
94 | PUSHs(sv); | |
95 | } | |
96 | RETURN; | |
93a17b20 LW |
97 | } |
98 | ||
99 | PP(pp_padhv) | |
100 | { | |
39644a26 | 101 | dSP; dTARGET; |
54310121 | 102 | I32 gimme; |
103 | ||
93a17b20 | 104 | XPUSHs(TARG); |
533c011a | 105 | if (PL_op->op_private & OPpLVAL_INTRO) |
dd2155a4 | 106 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); |
533c011a | 107 | if (PL_op->op_flags & OPf_REF) |
93a17b20 | 108 | RETURN; |
78f9721b SM |
109 | else if (LVRET) { |
110 | if (GIMME == G_SCALAR) | |
111 | Perl_croak(aTHX_ "Can't return hash to lvalue scalar context"); | |
112 | RETURN; | |
113 | } | |
54310121 | 114 | gimme = GIMME_V; |
115 | if (gimme == G_ARRAY) { | |
cea2e8a9 | 116 | RETURNOP(do_kv()); |
85e6fe83 | 117 | } |
54310121 | 118 | else if (gimme == G_SCALAR) { |
1b6737cc | 119 | SV* const sv = Perl_hv_scalar(aTHX_ (HV*)TARG); |
85e6fe83 | 120 | SETs(sv); |
85e6fe83 | 121 | } |
54310121 | 122 | RETURN; |
93a17b20 LW |
123 | } |
124 | ||
79072805 LW |
125 | /* Translations. */ |
126 | ||
127 | PP(pp_rv2gv) | |
128 | { | |
39644a26 | 129 | dSP; dTOPss; |
8ec5e241 | 130 | |
ed6116ce | 131 | if (SvROK(sv)) { |
a0d0e21e | 132 | wasref: |
f5284f61 IZ |
133 | tryAMAGICunDEREF(to_gv); |
134 | ||
ed6116ce | 135 | sv = SvRV(sv); |
b1dadf13 | 136 | if (SvTYPE(sv) == SVt_PVIO) { |
1b6737cc | 137 | GV * const gv = (GV*) sv_newmortal(); |
b1dadf13 | 138 | gv_init(gv, 0, "", 0, 0); |
139 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 140 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 141 | sv = (SV*) gv; |
ef54e1a4 JH |
142 | } |
143 | else if (SvTYPE(sv) != SVt_PVGV) | |
cea2e8a9 | 144 | DIE(aTHX_ "Not a GLOB reference"); |
79072805 LW |
145 | } |
146 | else { | |
93a17b20 | 147 | if (SvTYPE(sv) != SVt_PVGV) { |
a0d0e21e LW |
148 | if (SvGMAGICAL(sv)) { |
149 | mg_get(sv); | |
150 | if (SvROK(sv)) | |
151 | goto wasref; | |
152 | } | |
afd1915d | 153 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
b13b2135 | 154 | /* If this is a 'my' scalar and flag is set then vivify |
853846ea | 155 | * NI-S 1999/05/07 |
b13b2135 | 156 | */ |
ac53db4c DM |
157 | if (SvREADONLY(sv)) |
158 | Perl_croak(aTHX_ PL_no_modify); | |
1d8d4d2a | 159 | if (PL_op->op_private & OPpDEREF) { |
2c8ac474 GS |
160 | GV *gv; |
161 | if (cUNOP->op_targ) { | |
162 | STRLEN len; | |
dd2155a4 | 163 | SV *namesv = PAD_SV(cUNOP->op_targ); |
f54cb97a | 164 | const char *name = SvPV(namesv, len); |
2d6d9f7a | 165 | gv = (GV*)NEWSV(0,0); |
2c8ac474 GS |
166 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
167 | } | |
168 | else { | |
f54cb97a | 169 | const char *name = CopSTASHPV(PL_curcop); |
2c8ac474 | 170 | gv = newGVgen(name); |
1d8d4d2a | 171 | } |
b13b2135 NIS |
172 | if (SvTYPE(sv) < SVt_RV) |
173 | sv_upgrade(sv, SVt_RV); | |
b15aece3 | 174 | if (SvPVX_const(sv)) { |
8bd4d4c5 | 175 | SvPV_free(sv); |
b162af07 SP |
176 | SvLEN_set(sv, 0); |
177 | SvCUR_set(sv, 0); | |
8f3c2c0c | 178 | } |
b162af07 | 179 | SvRV_set(sv, (SV*)gv); |
853846ea | 180 | SvROK_on(sv); |
1d8d4d2a | 181 | SvSETMAGIC(sv); |
853846ea | 182 | goto wasref; |
2c8ac474 | 183 | } |
533c011a NIS |
184 | if (PL_op->op_flags & OPf_REF || |
185 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 186 | DIE(aTHX_ PL_no_usym, "a symbol"); |
599cee73 | 187 | if (ckWARN(WARN_UNINITIALIZED)) |
29489e7c | 188 | report_uninit(sv); |
a0d0e21e LW |
189 | RETSETUNDEF; |
190 | } | |
35cd451c GS |
191 | if ((PL_op->op_flags & OPf_SPECIAL) && |
192 | !(PL_op->op_flags & OPf_MOD)) | |
193 | { | |
1b6737cc | 194 | SV * const temp = (SV*)gv_fetchsv(sv, FALSE, SVt_PVGV); |
7a5fd60d NC |
195 | if (!temp |
196 | && (!is_gv_magical_sv(sv,0) | |
197 | || !(sv = (SV*)gv_fetchsv(sv, TRUE, SVt_PVGV)))) { | |
35cd451c | 198 | RETSETUNDEF; |
c9d5ac95 | 199 | } |
7a5fd60d | 200 | sv = temp; |
35cd451c GS |
201 | } |
202 | else { | |
203 | if (PL_op->op_private & HINT_STRICT_REFS) | |
7a5fd60d NC |
204 | DIE(aTHX_ PL_no_symref_sv, sv, "a symbol"); |
205 | sv = (SV*)gv_fetchsv(sv, TRUE, SVt_PVGV); | |
35cd451c | 206 | } |
93a17b20 | 207 | } |
79072805 | 208 | } |
533c011a NIS |
209 | if (PL_op->op_private & OPpLVAL_INTRO) |
210 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
211 | SETs(sv); |
212 | RETURN; | |
213 | } | |
214 | ||
79072805 LW |
215 | PP(pp_rv2sv) |
216 | { | |
82d03984 | 217 | GV *gv = Nullgv; |
39644a26 | 218 | dSP; dTOPss; |
79072805 | 219 | |
ed6116ce | 220 | if (SvROK(sv)) { |
a0d0e21e | 221 | wasref: |
f5284f61 IZ |
222 | tryAMAGICunDEREF(to_sv); |
223 | ||
ed6116ce | 224 | sv = SvRV(sv); |
79072805 LW |
225 | switch (SvTYPE(sv)) { |
226 | case SVt_PVAV: | |
227 | case SVt_PVHV: | |
228 | case SVt_PVCV: | |
cea2e8a9 | 229 | DIE(aTHX_ "Not a SCALAR reference"); |
79072805 LW |
230 | } |
231 | } | |
232 | else { | |
82d03984 | 233 | gv = (GV*)sv; |
748a9306 | 234 | |
463ee0b2 | 235 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
236 | if (SvGMAGICAL(sv)) { |
237 | mg_get(sv); | |
238 | if (SvROK(sv)) | |
239 | goto wasref; | |
240 | } | |
241 | if (!SvOK(sv)) { | |
533c011a NIS |
242 | if (PL_op->op_flags & OPf_REF || |
243 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 244 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
599cee73 | 245 | if (ckWARN(WARN_UNINITIALIZED)) |
29489e7c | 246 | report_uninit(sv); |
a0d0e21e LW |
247 | RETSETUNDEF; |
248 | } | |
35cd451c GS |
249 | if ((PL_op->op_flags & OPf_SPECIAL) && |
250 | !(PL_op->op_flags & OPf_MOD)) | |
251 | { | |
7a5fd60d | 252 | gv = (GV*)gv_fetchsv(sv, FALSE, SVt_PV); |
c9d5ac95 | 253 | if (!gv |
7a5fd60d NC |
254 | && (!is_gv_magical_sv(sv, 0) |
255 | || !(gv = (GV*)gv_fetchsv(sv, TRUE, SVt_PV)))) | |
c9d5ac95 | 256 | { |
35cd451c | 257 | RETSETUNDEF; |
c9d5ac95 | 258 | } |
35cd451c GS |
259 | } |
260 | else { | |
261 | if (PL_op->op_private & HINT_STRICT_REFS) | |
7a5fd60d NC |
262 | DIE(aTHX_ PL_no_symref_sv, sv, "a SCALAR"); |
263 | gv = (GV*)gv_fetchsv(sv, TRUE, SVt_PV); | |
35cd451c | 264 | } |
463ee0b2 | 265 | } |
29c711a3 | 266 | sv = GvSVn(gv); |
a0d0e21e | 267 | } |
533c011a | 268 | if (PL_op->op_flags & OPf_MOD) { |
82d03984 RGS |
269 | if (PL_op->op_private & OPpLVAL_INTRO) { |
270 | if (cUNOP->op_first->op_type == OP_NULL) | |
271 | sv = save_scalar((GV*)TOPs); | |
272 | else if (gv) | |
273 | sv = save_scalar(gv); | |
274 | else | |
275 | Perl_croak(aTHX_ PL_no_localize_ref); | |
276 | } | |
533c011a NIS |
277 | else if (PL_op->op_private & OPpDEREF) |
278 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 279 | } |
a0d0e21e | 280 | SETs(sv); |
79072805 LW |
281 | RETURN; |
282 | } | |
283 | ||
284 | PP(pp_av2arylen) | |
285 | { | |
39644a26 | 286 | dSP; |
1b6737cc AL |
287 | AV * const av = (AV*)TOPs; |
288 | SV ** const sv = Perl_av_arylen_p(aTHX_ (AV*)av); | |
a3874608 NC |
289 | if (!*sv) { |
290 | *sv = NEWSV(0,0); | |
291 | sv_upgrade(*sv, SVt_PVMG); | |
292 | sv_magic(*sv, (SV*)av, PERL_MAGIC_arylen, Nullch, 0); | |
79072805 | 293 | } |
a3874608 | 294 | SETs(*sv); |
79072805 LW |
295 | RETURN; |
296 | } | |
297 | ||
a0d0e21e LW |
298 | PP(pp_pos) |
299 | { | |
39644a26 | 300 | dSP; dTARGET; dPOPss; |
8ec5e241 | 301 | |
78f9721b | 302 | if (PL_op->op_flags & OPf_MOD || LVRET) { |
5f05dabc | 303 | if (SvTYPE(TARG) < SVt_PVLV) { |
304 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 305 | sv_magic(TARG, Nullsv, PERL_MAGIC_pos, Nullch, 0); |
5f05dabc | 306 | } |
307 | ||
308 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
309 | if (LvTARG(TARG) != sv) { |
310 | if (LvTARG(TARG)) | |
311 | SvREFCNT_dec(LvTARG(TARG)); | |
312 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
313 | } | |
a0d0e21e LW |
314 | PUSHs(TARG); /* no SvSETMAGIC */ |
315 | RETURN; | |
316 | } | |
317 | else { | |
a0d0e21e | 318 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
1b6737cc | 319 | const MAGIC * const mg = mg_find(sv, PERL_MAGIC_regex_global); |
565764a8 | 320 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 | 321 | I32 i = mg->mg_len; |
7e2040f0 | 322 | if (DO_UTF8(sv)) |
a0ed51b3 LW |
323 | sv_pos_b2u(sv, &i); |
324 | PUSHi(i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
325 | RETURN; |
326 | } | |
327 | } | |
328 | RETPUSHUNDEF; | |
329 | } | |
330 | } | |
331 | ||
79072805 LW |
332 | PP(pp_rv2cv) |
333 | { | |
39644a26 | 334 | dSP; |
79072805 LW |
335 | GV *gv; |
336 | HV *stash; | |
8990e307 | 337 | |
4633a7c4 LW |
338 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
339 | /* (But not in defined().) */ | |
533c011a | 340 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
07055b4c CS |
341 | if (cv) { |
342 | if (CvCLONE(cv)) | |
343 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
d32f2495 SC |
344 | if ((PL_op->op_private & OPpLVAL_INTRO)) { |
345 | if (gv && GvCV(gv) == cv && (gv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), FALSE))) | |
346 | cv = GvCV(gv); | |
347 | if (!CvLVALUE(cv)) | |
348 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); | |
349 | } | |
07055b4c CS |
350 | } |
351 | else | |
3280af22 | 352 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
353 | SETs((SV*)cv); |
354 | RETURN; | |
355 | } | |
356 | ||
c07a80fd | 357 | PP(pp_prototype) |
358 | { | |
39644a26 | 359 | dSP; |
c07a80fd | 360 | CV *cv; |
361 | HV *stash; | |
362 | GV *gv; | |
363 | SV *ret; | |
364 | ||
3280af22 | 365 | ret = &PL_sv_undef; |
b6c543e3 | 366 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
b15aece3 | 367 | const char *s = SvPVX_const(TOPs); |
b6c543e3 | 368 | if (strnEQ(s, "CORE::", 6)) { |
f54cb97a | 369 | const int code = keyword(s + 6, SvCUR(TOPs) - 6); |
b6c543e3 IZ |
370 | if (code < 0) { /* Overridable. */ |
371 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
372 | int i = 0, n = 0, seen_question = 0; | |
373 | I32 oa; | |
374 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
375 | ||
bdf1bb36 RGS |
376 | if (code == -KEY_chop || code == -KEY_chomp |
377 | || code == -KEY_exec || code == -KEY_system) | |
77bc9082 | 378 | goto set; |
b6c543e3 | 379 | while (i < MAXO) { /* The slow way. */ |
22c35a8c GS |
380 | if (strEQ(s + 6, PL_op_name[i]) |
381 | || strEQ(s + 6, PL_op_desc[i])) | |
382 | { | |
b6c543e3 | 383 | goto found; |
22c35a8c | 384 | } |
b6c543e3 IZ |
385 | i++; |
386 | } | |
387 | goto nonesuch; /* Should not happen... */ | |
388 | found: | |
22c35a8c | 389 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 | 390 | while (oa) { |
3012a639 | 391 | if (oa & OA_OPTIONAL && !seen_question) { |
b6c543e3 IZ |
392 | seen_question = 1; |
393 | str[n++] = ';'; | |
ef54e1a4 | 394 | } |
b13b2135 | 395 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
6e97e420 SC |
396 | && (oa & (OA_OPTIONAL - 1)) <= OA_SCALARREF |
397 | /* But globs are already references (kinda) */ | |
398 | && (oa & (OA_OPTIONAL - 1)) != OA_FILEREF | |
399 | ) { | |
b6c543e3 IZ |
400 | str[n++] = '\\'; |
401 | } | |
b6c543e3 IZ |
402 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; |
403 | oa = oa >> 4; | |
404 | } | |
405 | str[n++] = '\0'; | |
79cb57f6 | 406 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
407 | } |
408 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
409 | goto set; |
410 | else { /* None such */ | |
411 | nonesuch: | |
d470f89e | 412 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
413 | } |
414 | } | |
415 | } | |
c07a80fd | 416 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 417 | if (cv && SvPOK(cv)) |
b15aece3 | 418 | ret = sv_2mortal(newSVpvn(SvPVX_const(cv), SvCUR(cv))); |
b6c543e3 | 419 | set: |
c07a80fd | 420 | SETs(ret); |
421 | RETURN; | |
422 | } | |
423 | ||
a0d0e21e LW |
424 | PP(pp_anoncode) |
425 | { | |
39644a26 | 426 | dSP; |
dd2155a4 | 427 | CV* cv = (CV*)PAD_SV(PL_op->op_targ); |
a5f75d66 | 428 | if (CvCLONE(cv)) |
b355b4e0 | 429 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 430 | EXTEND(SP,1); |
748a9306 | 431 | PUSHs((SV*)cv); |
a0d0e21e LW |
432 | RETURN; |
433 | } | |
434 | ||
435 | PP(pp_srefgen) | |
79072805 | 436 | { |
39644a26 | 437 | dSP; |
71be2cbc | 438 | *SP = refto(*SP); |
79072805 | 439 | RETURN; |
8ec5e241 | 440 | } |
a0d0e21e LW |
441 | |
442 | PP(pp_refgen) | |
443 | { | |
39644a26 | 444 | dSP; dMARK; |
a0d0e21e | 445 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
446 | if (++MARK <= SP) |
447 | *MARK = *SP; | |
448 | else | |
3280af22 | 449 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
450 | *MARK = refto(*MARK); |
451 | SP = MARK; | |
452 | RETURN; | |
a0d0e21e | 453 | } |
bbce6d69 | 454 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 455 | while (++MARK <= SP) |
456 | *MARK = refto(*MARK); | |
a0d0e21e | 457 | RETURN; |
79072805 LW |
458 | } |
459 | ||
76e3520e | 460 | STATIC SV* |
cea2e8a9 | 461 | S_refto(pTHX_ SV *sv) |
71be2cbc | 462 | { |
463 | SV* rv; | |
464 | ||
465 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
466 | if (LvTARGLEN(sv)) | |
68dc0745 | 467 | vivify_defelem(sv); |
468 | if (!(sv = LvTARG(sv))) | |
3280af22 | 469 | sv = &PL_sv_undef; |
0dd88869 | 470 | else |
a6c40364 | 471 | (void)SvREFCNT_inc(sv); |
71be2cbc | 472 | } |
d8b46c1b GS |
473 | else if (SvTYPE(sv) == SVt_PVAV) { |
474 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
475 | av_reify((AV*)sv); | |
476 | SvTEMP_off(sv); | |
477 | (void)SvREFCNT_inc(sv); | |
478 | } | |
f2933f5f DM |
479 | else if (SvPADTMP(sv) && !IS_PADGV(sv)) |
480 | sv = newSVsv(sv); | |
71be2cbc | 481 | else { |
482 | SvTEMP_off(sv); | |
483 | (void)SvREFCNT_inc(sv); | |
484 | } | |
485 | rv = sv_newmortal(); | |
486 | sv_upgrade(rv, SVt_RV); | |
b162af07 | 487 | SvRV_set(rv, sv); |
71be2cbc | 488 | SvROK_on(rv); |
489 | return rv; | |
490 | } | |
491 | ||
79072805 LW |
492 | PP(pp_ref) |
493 | { | |
39644a26 | 494 | dSP; dTARGET; |
e1ec3a88 | 495 | const char *pv; |
1b6737cc | 496 | SV * const sv = POPs; |
f12c7020 | 497 | |
5b295bef RD |
498 | if (sv) |
499 | SvGETMAGIC(sv); | |
f12c7020 | 500 | |
a0d0e21e | 501 | if (!sv || !SvROK(sv)) |
4633a7c4 | 502 | RETPUSHNO; |
79072805 | 503 | |
1b6737cc | 504 | pv = sv_reftype(SvRV(sv),TRUE); |
463ee0b2 | 505 | PUSHp(pv, strlen(pv)); |
79072805 LW |
506 | RETURN; |
507 | } | |
508 | ||
509 | PP(pp_bless) | |
510 | { | |
39644a26 | 511 | dSP; |
463ee0b2 | 512 | HV *stash; |
79072805 | 513 | |
463ee0b2 | 514 | if (MAXARG == 1) |
11faa288 | 515 | stash = CopSTASH(PL_curcop); |
7b8d334a | 516 | else { |
1b6737cc | 517 | SV * const ssv = POPs; |
7b8d334a | 518 | STRLEN len; |
e1ec3a88 | 519 | const char *ptr; |
81689caa | 520 | |
016a42f3 | 521 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
81689caa | 522 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
5c144d81 | 523 | ptr = SvPV_const(ssv,len); |
041457d9 | 524 | if (len == 0 && ckWARN(WARN_MISC)) |
9014280d | 525 | Perl_warner(aTHX_ packWARN(WARN_MISC), |
599cee73 | 526 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
527 | stash = gv_stashpvn(ptr, len, TRUE); |
528 | } | |
a0d0e21e | 529 | |
5d3fdfeb | 530 | (void)sv_bless(TOPs, stash); |
79072805 LW |
531 | RETURN; |
532 | } | |
533 | ||
fb73857a | 534 | PP(pp_gelem) |
535 | { | |
39644a26 | 536 | dSP; |
b13b2135 | 537 | |
1b6737cc AL |
538 | SV *sv = POPs; |
539 | const char * const elem = SvPV_nolen_const(sv); | |
540 | GV * const gv = (GV*)POPs; | |
541 | SV * tmpRef = Nullsv; | |
542 | ||
fb73857a | 543 | sv = Nullsv; |
c4ba80c3 NC |
544 | if (elem) { |
545 | /* elem will always be NUL terminated. */ | |
1b6737cc | 546 | const char * const second_letter = elem + 1; |
c4ba80c3 NC |
547 | switch (*elem) { |
548 | case 'A': | |
1b6737cc | 549 | if (strEQ(second_letter, "RRAY")) |
c4ba80c3 NC |
550 | tmpRef = (SV*)GvAV(gv); |
551 | break; | |
552 | case 'C': | |
1b6737cc | 553 | if (strEQ(second_letter, "ODE")) |
c4ba80c3 NC |
554 | tmpRef = (SV*)GvCVu(gv); |
555 | break; | |
556 | case 'F': | |
1b6737cc | 557 | if (strEQ(second_letter, "ILEHANDLE")) { |
c4ba80c3 NC |
558 | /* finally deprecated in 5.8.0 */ |
559 | deprecate("*glob{FILEHANDLE}"); | |
560 | tmpRef = (SV*)GvIOp(gv); | |
561 | } | |
562 | else | |
1b6737cc | 563 | if (strEQ(second_letter, "ORMAT")) |
c4ba80c3 NC |
564 | tmpRef = (SV*)GvFORM(gv); |
565 | break; | |
566 | case 'G': | |
1b6737cc | 567 | if (strEQ(second_letter, "LOB")) |
c4ba80c3 NC |
568 | tmpRef = (SV*)gv; |
569 | break; | |
570 | case 'H': | |
1b6737cc | 571 | if (strEQ(second_letter, "ASH")) |
c4ba80c3 NC |
572 | tmpRef = (SV*)GvHV(gv); |
573 | break; | |
574 | case 'I': | |
1b6737cc | 575 | if (*second_letter == 'O' && !elem[2]) |
c4ba80c3 NC |
576 | tmpRef = (SV*)GvIOp(gv); |
577 | break; | |
578 | case 'N': | |
1b6737cc | 579 | if (strEQ(second_letter, "AME")) |
c4ba80c3 NC |
580 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
581 | break; | |
582 | case 'P': | |
1b6737cc | 583 | if (strEQ(second_letter, "ACKAGE")) { |
5aaec2b4 NC |
584 | const HEK *hek = HvNAME_HEK(GvSTASH(gv)); |
585 | sv = hek ? newSVhek(hek) : newSVpvn("__ANON__", 8); | |
c4ba80c3 NC |
586 | } |
587 | break; | |
588 | case 'S': | |
1b6737cc | 589 | if (strEQ(second_letter, "CALAR")) |
c4ba80c3 NC |
590 | tmpRef = GvSV(gv); |
591 | break; | |
39b99f21 | 592 | } |
fb73857a | 593 | } |
76e3520e GS |
594 | if (tmpRef) |
595 | sv = newRV(tmpRef); | |
fb73857a | 596 | if (sv) |
597 | sv_2mortal(sv); | |
598 | else | |
3280af22 | 599 | sv = &PL_sv_undef; |
fb73857a | 600 | XPUSHs(sv); |
601 | RETURN; | |
602 | } | |
603 | ||
a0d0e21e | 604 | /* Pattern matching */ |
79072805 | 605 | |
a0d0e21e | 606 | PP(pp_study) |
79072805 | 607 | { |
39644a26 | 608 | dSP; dPOPss; |
a0d0e21e LW |
609 | register unsigned char *s; |
610 | register I32 pos; | |
611 | register I32 ch; | |
612 | register I32 *sfirst; | |
613 | register I32 *snext; | |
a0d0e21e LW |
614 | STRLEN len; |
615 | ||
3280af22 | 616 | if (sv == PL_lastscream) { |
1e422769 | 617 | if (SvSCREAM(sv)) |
618 | RETPUSHYES; | |
619 | } | |
c07a80fd | 620 | else { |
3280af22 NIS |
621 | if (PL_lastscream) { |
622 | SvSCREAM_off(PL_lastscream); | |
623 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 624 | } |
3280af22 | 625 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 626 | } |
1e422769 | 627 | |
628 | s = (unsigned char*)(SvPV(sv, len)); | |
629 | pos = len; | |
630 | if (pos <= 0) | |
631 | RETPUSHNO; | |
3280af22 NIS |
632 | if (pos > PL_maxscream) { |
633 | if (PL_maxscream < 0) { | |
634 | PL_maxscream = pos + 80; | |
a02a5408 JC |
635 | Newx(PL_screamfirst, 256, I32); |
636 | Newx(PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
637 | } |
638 | else { | |
3280af22 NIS |
639 | PL_maxscream = pos + pos / 4; |
640 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 641 | } |
79072805 | 642 | } |
a0d0e21e | 643 | |
3280af22 NIS |
644 | sfirst = PL_screamfirst; |
645 | snext = PL_screamnext; | |
a0d0e21e LW |
646 | |
647 | if (!sfirst || !snext) | |
cea2e8a9 | 648 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
649 | |
650 | for (ch = 256; ch; --ch) | |
651 | *sfirst++ = -1; | |
652 | sfirst -= 256; | |
653 | ||
654 | while (--pos >= 0) { | |
1b6737cc | 655 | register const I32 ch = s[pos]; |
a0d0e21e LW |
656 | if (sfirst[ch] >= 0) |
657 | snext[pos] = sfirst[ch] - pos; | |
658 | else | |
659 | snext[pos] = -pos; | |
660 | sfirst[ch] = pos; | |
79072805 LW |
661 | } |
662 | ||
c07a80fd | 663 | SvSCREAM_on(sv); |
14befaf4 DM |
664 | /* piggyback on m//g magic */ |
665 | sv_magic(sv, Nullsv, PERL_MAGIC_regex_global, Nullch, 0); | |
1e422769 | 666 | RETPUSHYES; |
79072805 LW |
667 | } |
668 | ||
a0d0e21e | 669 | PP(pp_trans) |
79072805 | 670 | { |
39644a26 | 671 | dSP; dTARG; |
a0d0e21e LW |
672 | SV *sv; |
673 | ||
533c011a | 674 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 675 | sv = POPs; |
59f00321 RGS |
676 | else if (PL_op->op_private & OPpTARGET_MY) |
677 | sv = GETTARGET; | |
79072805 | 678 | else { |
54b9620d | 679 | sv = DEFSV; |
a0d0e21e | 680 | EXTEND(SP,1); |
79072805 | 681 | } |
adbc6bb1 | 682 | TARG = sv_newmortal(); |
4757a243 | 683 | PUSHi(do_trans(sv)); |
a0d0e21e | 684 | RETURN; |
79072805 LW |
685 | } |
686 | ||
a0d0e21e | 687 | /* Lvalue operators. */ |
79072805 | 688 | |
a0d0e21e LW |
689 | PP(pp_schop) |
690 | { | |
39644a26 | 691 | dSP; dTARGET; |
a0d0e21e LW |
692 | do_chop(TARG, TOPs); |
693 | SETTARG; | |
694 | RETURN; | |
79072805 LW |
695 | } |
696 | ||
a0d0e21e | 697 | PP(pp_chop) |
79072805 | 698 | { |
2ec6af5f RG |
699 | dSP; dMARK; dTARGET; dORIGMARK; |
700 | while (MARK < SP) | |
701 | do_chop(TARG, *++MARK); | |
702 | SP = ORIGMARK; | |
a0d0e21e LW |
703 | PUSHTARG; |
704 | RETURN; | |
79072805 LW |
705 | } |
706 | ||
a0d0e21e | 707 | PP(pp_schomp) |
79072805 | 708 | { |
39644a26 | 709 | dSP; dTARGET; |
a0d0e21e LW |
710 | SETi(do_chomp(TOPs)); |
711 | RETURN; | |
79072805 LW |
712 | } |
713 | ||
a0d0e21e | 714 | PP(pp_chomp) |
79072805 | 715 | { |
39644a26 | 716 | dSP; dMARK; dTARGET; |
a0d0e21e | 717 | register I32 count = 0; |
8ec5e241 | 718 | |
a0d0e21e LW |
719 | while (SP > MARK) |
720 | count += do_chomp(POPs); | |
721 | PUSHi(count); | |
722 | RETURN; | |
79072805 LW |
723 | } |
724 | ||
a0d0e21e | 725 | PP(pp_defined) |
463ee0b2 | 726 | { |
39644a26 | 727 | dSP; |
1b6737cc | 728 | register SV* const sv = POPs; |
a0d0e21e | 729 | |
a0d0e21e LW |
730 | if (!sv || !SvANY(sv)) |
731 | RETPUSHNO; | |
732 | switch (SvTYPE(sv)) { | |
733 | case SVt_PVAV: | |
14befaf4 DM |
734 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) |
735 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
a0d0e21e LW |
736 | RETPUSHYES; |
737 | break; | |
738 | case SVt_PVHV: | |
14befaf4 DM |
739 | if (HvARRAY(sv) || SvGMAGICAL(sv) |
740 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
a0d0e21e LW |
741 | RETPUSHYES; |
742 | break; | |
743 | case SVt_PVCV: | |
744 | if (CvROOT(sv) || CvXSUB(sv)) | |
745 | RETPUSHYES; | |
746 | break; | |
747 | default: | |
5b295bef | 748 | SvGETMAGIC(sv); |
a0d0e21e LW |
749 | if (SvOK(sv)) |
750 | RETPUSHYES; | |
751 | } | |
752 | RETPUSHNO; | |
463ee0b2 LW |
753 | } |
754 | ||
a0d0e21e LW |
755 | PP(pp_undef) |
756 | { | |
39644a26 | 757 | dSP; |
a0d0e21e LW |
758 | SV *sv; |
759 | ||
533c011a | 760 | if (!PL_op->op_private) { |
774d564b | 761 | EXTEND(SP, 1); |
a0d0e21e | 762 | RETPUSHUNDEF; |
774d564b | 763 | } |
79072805 | 764 | |
a0d0e21e LW |
765 | sv = POPs; |
766 | if (!sv) | |
767 | RETPUSHUNDEF; | |
85e6fe83 | 768 | |
765f542d | 769 | SV_CHECK_THINKFIRST_COW_DROP(sv); |
85e6fe83 | 770 | |
a0d0e21e LW |
771 | switch (SvTYPE(sv)) { |
772 | case SVt_NULL: | |
773 | break; | |
774 | case SVt_PVAV: | |
775 | av_undef((AV*)sv); | |
776 | break; | |
777 | case SVt_PVHV: | |
778 | hv_undef((HV*)sv); | |
779 | break; | |
780 | case SVt_PVCV: | |
041457d9 | 781 | if (cv_const_sv((CV*)sv) && ckWARN(WARN_MISC)) |
9014280d | 782 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Constant subroutine %s undefined", |
54310121 | 783 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 784 | /* FALL THROUGH */ |
785 | case SVt_PVFM: | |
6fc92669 GS |
786 | { |
787 | /* let user-undef'd sub keep its identity */ | |
65c50114 | 788 | GV* gv = CvGV((CV*)sv); |
6fc92669 GS |
789 | cv_undef((CV*)sv); |
790 | CvGV((CV*)sv) = gv; | |
791 | } | |
a0d0e21e | 792 | break; |
8e07c86e | 793 | case SVt_PVGV: |
44a8e56a | 794 | if (SvFAKE(sv)) |
3280af22 | 795 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
796 | else { |
797 | GP *gp; | |
798 | gp_free((GV*)sv); | |
a02a5408 | 799 | Newxz(gp, 1, GP); |
20408e3c GS |
800 | GvGP(sv) = gp_ref(gp); |
801 | GvSV(sv) = NEWSV(72,0); | |
57843af0 | 802 | GvLINE(sv) = CopLINE(PL_curcop); |
20408e3c GS |
803 | GvEGV(sv) = (GV*)sv; |
804 | GvMULTI_on(sv); | |
805 | } | |
44a8e56a | 806 | break; |
a0d0e21e | 807 | default: |
b15aece3 | 808 | if (SvTYPE(sv) >= SVt_PV && SvPVX_const(sv) && SvLEN(sv)) { |
8bd4d4c5 | 809 | SvPV_free(sv); |
4633a7c4 LW |
810 | SvPV_set(sv, Nullch); |
811 | SvLEN_set(sv, 0); | |
a0d0e21e | 812 | } |
0c34ef67 | 813 | SvOK_off(sv); |
4633a7c4 | 814 | SvSETMAGIC(sv); |
79072805 | 815 | } |
a0d0e21e LW |
816 | |
817 | RETPUSHUNDEF; | |
79072805 LW |
818 | } |
819 | ||
a0d0e21e | 820 | PP(pp_predec) |
79072805 | 821 | { |
39644a26 | 822 | dSP; |
f39684df | 823 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
d470f89e | 824 | DIE(aTHX_ PL_no_modify); |
3510b4a1 NC |
825 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
826 | && SvIVX(TOPs) != IV_MIN) | |
55497cff | 827 | { |
45977657 | 828 | SvIV_set(TOPs, SvIVX(TOPs) - 1); |
55497cff | 829 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
830 | } |
831 | else | |
832 | sv_dec(TOPs); | |
a0d0e21e LW |
833 | SvSETMAGIC(TOPs); |
834 | return NORMAL; | |
835 | } | |
79072805 | 836 | |
a0d0e21e LW |
837 | PP(pp_postinc) |
838 | { | |
39644a26 | 839 | dSP; dTARGET; |
f39684df | 840 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
d470f89e | 841 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 842 | sv_setsv(TARG, TOPs); |
3510b4a1 NC |
843 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
844 | && SvIVX(TOPs) != IV_MAX) | |
55497cff | 845 | { |
45977657 | 846 | SvIV_set(TOPs, SvIVX(TOPs) + 1); |
55497cff | 847 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
848 | } |
849 | else | |
850 | sv_inc(TOPs); | |
a0d0e21e | 851 | SvSETMAGIC(TOPs); |
1e54a23f | 852 | /* special case for undef: see thread at 2003-03/msg00536.html in archive */ |
a0d0e21e LW |
853 | if (!SvOK(TARG)) |
854 | sv_setiv(TARG, 0); | |
855 | SETs(TARG); | |
856 | return NORMAL; | |
857 | } | |
79072805 | 858 | |
a0d0e21e LW |
859 | PP(pp_postdec) |
860 | { | |
39644a26 | 861 | dSP; dTARGET; |
f39684df | 862 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
d470f89e | 863 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 864 | sv_setsv(TARG, TOPs); |
3510b4a1 NC |
865 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
866 | && SvIVX(TOPs) != IV_MIN) | |
55497cff | 867 | { |
45977657 | 868 | SvIV_set(TOPs, SvIVX(TOPs) - 1); |
55497cff | 869 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
870 | } |
871 | else | |
872 | sv_dec(TOPs); | |
a0d0e21e LW |
873 | SvSETMAGIC(TOPs); |
874 | SETs(TARG); | |
875 | return NORMAL; | |
876 | } | |
79072805 | 877 | |
a0d0e21e LW |
878 | /* Ordinary operators. */ |
879 | ||
880 | PP(pp_pow) | |
881 | { | |
52a96ae6 | 882 | dSP; dATARGET; |
58d76dfd | 883 | #ifdef PERL_PRESERVE_IVUV |
52a96ae6 HS |
884 | bool is_int = 0; |
885 | #endif | |
886 | tryAMAGICbin(pow,opASSIGN); | |
887 | #ifdef PERL_PRESERVE_IVUV | |
888 | /* For integer to integer power, we do the calculation by hand wherever | |
889 | we're sure it is safe; otherwise we call pow() and try to convert to | |
890 | integer afterwards. */ | |
58d76dfd | 891 | { |
900658e3 PF |
892 | SvIV_please(TOPs); |
893 | if (SvIOK(TOPs)) { | |
894 | SvIV_please(TOPm1s); | |
895 | if (SvIOK(TOPm1s)) { | |
896 | UV power; | |
897 | bool baseuok; | |
898 | UV baseuv; | |
899 | ||
900 | if (SvUOK(TOPs)) { | |
901 | power = SvUVX(TOPs); | |
902 | } else { | |
903 | const IV iv = SvIVX(TOPs); | |
904 | if (iv >= 0) { | |
905 | power = iv; | |
906 | } else { | |
907 | goto float_it; /* Can't do negative powers this way. */ | |
908 | } | |
909 | } | |
910 | ||
911 | baseuok = SvUOK(TOPm1s); | |
912 | if (baseuok) { | |
913 | baseuv = SvUVX(TOPm1s); | |
914 | } else { | |
915 | const IV iv = SvIVX(TOPm1s); | |
916 | if (iv >= 0) { | |
917 | baseuv = iv; | |
918 | baseuok = TRUE; /* effectively it's a UV now */ | |
919 | } else { | |
920 | baseuv = -iv; /* abs, baseuok == false records sign */ | |
921 | } | |
922 | } | |
52a96ae6 HS |
923 | /* now we have integer ** positive integer. */ |
924 | is_int = 1; | |
925 | ||
926 | /* foo & (foo - 1) is zero only for a power of 2. */ | |
58d76dfd | 927 | if (!(baseuv & (baseuv - 1))) { |
52a96ae6 | 928 | /* We are raising power-of-2 to a positive integer. |
58d76dfd JH |
929 | The logic here will work for any base (even non-integer |
930 | bases) but it can be less accurate than | |
931 | pow (base,power) or exp (power * log (base)) when the | |
932 | intermediate values start to spill out of the mantissa. | |
933 | With powers of 2 we know this can't happen. | |
934 | And powers of 2 are the favourite thing for perl | |
935 | programmers to notice ** not doing what they mean. */ | |
936 | NV result = 1.0; | |
937 | NV base = baseuok ? baseuv : -(NV)baseuv; | |
900658e3 PF |
938 | |
939 | if (power & 1) { | |
940 | result *= base; | |
941 | } | |
942 | while (power >>= 1) { | |
943 | base *= base; | |
944 | if (power & 1) { | |
945 | result *= base; | |
946 | } | |
947 | } | |
58d76dfd JH |
948 | SP--; |
949 | SETn( result ); | |
52a96ae6 | 950 | SvIV_please(TOPs); |
58d76dfd | 951 | RETURN; |
52a96ae6 HS |
952 | } else { |
953 | register unsigned int highbit = 8 * sizeof(UV); | |
900658e3 PF |
954 | register unsigned int diff = 8 * sizeof(UV); |
955 | while (diff >>= 1) { | |
956 | highbit -= diff; | |
957 | if (baseuv >> highbit) { | |
958 | highbit += diff; | |
959 | } | |
52a96ae6 HS |
960 | } |
961 | /* we now have baseuv < 2 ** highbit */ | |
962 | if (power * highbit <= 8 * sizeof(UV)) { | |
963 | /* result will definitely fit in UV, so use UV math | |
964 | on same algorithm as above */ | |
965 | register UV result = 1; | |
966 | register UV base = baseuv; | |
900658e3 PF |
967 | const bool odd_power = (bool)(power & 1); |
968 | if (odd_power) { | |
969 | result *= base; | |
970 | } | |
971 | while (power >>= 1) { | |
972 | base *= base; | |
973 | if (power & 1) { | |
52a96ae6 | 974 | result *= base; |
52a96ae6 HS |
975 | } |
976 | } | |
977 | SP--; | |
0615a994 | 978 | if (baseuok || !odd_power) |
52a96ae6 HS |
979 | /* answer is positive */ |
980 | SETu( result ); | |
981 | else if (result <= (UV)IV_MAX) | |
982 | /* answer negative, fits in IV */ | |
983 | SETi( -(IV)result ); | |
984 | else if (result == (UV)IV_MIN) | |
985 | /* 2's complement assumption: special case IV_MIN */ | |
986 | SETi( IV_MIN ); | |
987 | else | |
988 | /* answer negative, doesn't fit */ | |
989 | SETn( -(NV)result ); | |
990 | RETURN; | |
991 | } | |
992 | } | |
993 | } | |
994 | } | |
58d76dfd | 995 | } |
52a96ae6 | 996 | float_it: |
58d76dfd | 997 | #endif |
a0d0e21e | 998 | { |
52a96ae6 HS |
999 | dPOPTOPnnrl; |
1000 | SETn( Perl_pow( left, right) ); | |
1001 | #ifdef PERL_PRESERVE_IVUV | |
1002 | if (is_int) | |
1003 | SvIV_please(TOPs); | |
1004 | #endif | |
1005 | RETURN; | |
93a17b20 | 1006 | } |
a0d0e21e LW |
1007 | } |
1008 | ||
1009 | PP(pp_multiply) | |
1010 | { | |
39644a26 | 1011 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
28e5dec8 JH |
1012 | #ifdef PERL_PRESERVE_IVUV |
1013 | SvIV_please(TOPs); | |
1014 | if (SvIOK(TOPs)) { | |
1015 | /* Unless the left argument is integer in range we are going to have to | |
1016 | use NV maths. Hence only attempt to coerce the right argument if | |
1017 | we know the left is integer. */ | |
1018 | /* Left operand is defined, so is it IV? */ | |
1019 | SvIV_please(TOPm1s); | |
1020 | if (SvIOK(TOPm1s)) { | |
1021 | bool auvok = SvUOK(TOPm1s); | |
1022 | bool buvok = SvUOK(TOPs); | |
1023 | const UV topmask = (~ (UV)0) << (4 * sizeof (UV)); | |
1024 | const UV botmask = ~((~ (UV)0) << (4 * sizeof (UV))); | |
1025 | UV alow; | |
1026 | UV ahigh; | |
1027 | UV blow; | |
1028 | UV bhigh; | |
1029 | ||
1030 | if (auvok) { | |
1031 | alow = SvUVX(TOPm1s); | |
1032 | } else { | |
1b6737cc | 1033 | const IV aiv = SvIVX(TOPm1s); |
28e5dec8 JH |
1034 | if (aiv >= 0) { |
1035 | alow = aiv; | |
1036 | auvok = TRUE; /* effectively it's a UV now */ | |
1037 | } else { | |
1038 | alow = -aiv; /* abs, auvok == false records sign */ | |
1039 | } | |
1040 | } | |
1041 | if (buvok) { | |
1042 | blow = SvUVX(TOPs); | |
1043 | } else { | |
1b6737cc | 1044 | const IV biv = SvIVX(TOPs); |
28e5dec8 JH |
1045 | if (biv >= 0) { |
1046 | blow = biv; | |
1047 | buvok = TRUE; /* effectively it's a UV now */ | |
1048 | } else { | |
1049 | blow = -biv; /* abs, buvok == false records sign */ | |
1050 | } | |
1051 | } | |
1052 | ||
1053 | /* If this does sign extension on unsigned it's time for plan B */ | |
1054 | ahigh = alow >> (4 * sizeof (UV)); | |
1055 | alow &= botmask; | |
1056 | bhigh = blow >> (4 * sizeof (UV)); | |
1057 | blow &= botmask; | |
1058 | if (ahigh && bhigh) { | |
1059 | /* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000 | |
1060 | which is overflow. Drop to NVs below. */ | |
1061 | } else if (!ahigh && !bhigh) { | |
1062 | /* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001 | |
1063 | so the unsigned multiply cannot overflow. */ | |
1064 | UV product = alow * blow; | |
1065 | if (auvok == buvok) { | |
1066 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
1067 | SP--; | |
1068 | SETu( product ); | |
1069 | RETURN; | |
1070 | } else if (product <= (UV)IV_MIN) { | |
1071 | /* 2s complement assumption that (UV)-IV_MIN is correct. */ | |
1072 | /* -ve result, which could overflow an IV */ | |
1073 | SP--; | |
25716404 | 1074 | SETi( -(IV)product ); |
28e5dec8 JH |
1075 | RETURN; |
1076 | } /* else drop to NVs below. */ | |
1077 | } else { | |
1078 | /* One operand is large, 1 small */ | |
1079 | UV product_middle; | |
1080 | if (bhigh) { | |
1081 | /* swap the operands */ | |
1082 | ahigh = bhigh; | |
1083 | bhigh = blow; /* bhigh now the temp var for the swap */ | |
1084 | blow = alow; | |
1085 | alow = bhigh; | |
1086 | } | |
1087 | /* now, ((ahigh * blow) << half_UV_len) + (alow * blow) | |
1088 | multiplies can't overflow. shift can, add can, -ve can. */ | |
1089 | product_middle = ahigh * blow; | |
1090 | if (!(product_middle & topmask)) { | |
1091 | /* OK, (ahigh * blow) won't lose bits when we shift it. */ | |
1092 | UV product_low; | |
1093 | product_middle <<= (4 * sizeof (UV)); | |
1094 | product_low = alow * blow; | |
1095 | ||
1096 | /* as for pp_add, UV + something mustn't get smaller. | |
1097 | IIRC ANSI mandates this wrapping *behaviour* for | |
1098 | unsigned whatever the actual representation*/ | |
1099 | product_low += product_middle; | |
1100 | if (product_low >= product_middle) { | |
1101 | /* didn't overflow */ | |
1102 | if (auvok == buvok) { | |
1103 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
1104 | SP--; | |
1105 | SETu( product_low ); | |
1106 | RETURN; | |
1107 | } else if (product_low <= (UV)IV_MIN) { | |
1108 | /* 2s complement assumption again */ | |
1109 | /* -ve result, which could overflow an IV */ | |
1110 | SP--; | |
25716404 | 1111 | SETi( -(IV)product_low ); |
28e5dec8 JH |
1112 | RETURN; |
1113 | } /* else drop to NVs below. */ | |
1114 | } | |
1115 | } /* product_middle too large */ | |
1116 | } /* ahigh && bhigh */ | |
1117 | } /* SvIOK(TOPm1s) */ | |
1118 | } /* SvIOK(TOPs) */ | |
1119 | #endif | |
a0d0e21e LW |
1120 | { |
1121 | dPOPTOPnnrl; | |
1122 | SETn( left * right ); | |
1123 | RETURN; | |
79072805 | 1124 | } |
a0d0e21e LW |
1125 | } |
1126 | ||
1127 | PP(pp_divide) | |
1128 | { | |
39644a26 | 1129 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
5479d192 | 1130 | /* Only try to do UV divide first |
68795e93 | 1131 | if ((SLOPPYDIVIDE is true) or |
5479d192 NC |
1132 | (PERL_PRESERVE_IVUV is true and one or both SV is a UV too large |
1133 | to preserve)) | |
1134 | The assumption is that it is better to use floating point divide | |
1135 | whenever possible, only doing integer divide first if we can't be sure. | |
1136 | If NV_PRESERVES_UV is true then we know at compile time that no UV | |
1137 | can be too large to preserve, so don't need to compile the code to | |
1138 | test the size of UVs. */ | |
1139 | ||
a0d0e21e | 1140 | #ifdef SLOPPYDIVIDE |
5479d192 NC |
1141 | # define PERL_TRY_UV_DIVIDE |
1142 | /* ensure that 20./5. == 4. */ | |
a0d0e21e | 1143 | #else |
5479d192 NC |
1144 | # ifdef PERL_PRESERVE_IVUV |
1145 | # ifndef NV_PRESERVES_UV | |
1146 | # define PERL_TRY_UV_DIVIDE | |
1147 | # endif | |
1148 | # endif | |
a0d0e21e | 1149 | #endif |
5479d192 NC |
1150 | |
1151 | #ifdef PERL_TRY_UV_DIVIDE | |
1152 | SvIV_please(TOPs); | |
1153 | if (SvIOK(TOPs)) { | |
1154 | SvIV_please(TOPm1s); | |
1155 | if (SvIOK(TOPm1s)) { | |
1156 | bool left_non_neg = SvUOK(TOPm1s); | |
1157 | bool right_non_neg = SvUOK(TOPs); | |
1158 | UV left; | |
1159 | UV right; | |
1160 | ||
1161 | if (right_non_neg) { | |
1162 | right = SvUVX(TOPs); | |
1163 | } | |
1164 | else { | |
1b6737cc | 1165 | const IV biv = SvIVX(TOPs); |
5479d192 NC |
1166 | if (biv >= 0) { |
1167 | right = biv; | |
1168 | right_non_neg = TRUE; /* effectively it's a UV now */ | |
1169 | } | |
1170 | else { | |
1171 | right = -biv; | |
1172 | } | |
1173 | } | |
1174 | /* historically undef()/0 gives a "Use of uninitialized value" | |
1175 | warning before dieing, hence this test goes here. | |
1176 | If it were immediately before the second SvIV_please, then | |
1177 | DIE() would be invoked before left was even inspected, so | |
1178 | no inpsection would give no warning. */ | |
1179 | if (right == 0) | |
1180 | DIE(aTHX_ "Illegal division by zero"); | |
1181 | ||
1182 | if (left_non_neg) { | |
1183 | left = SvUVX(TOPm1s); | |
1184 | } | |
1185 | else { | |
1b6737cc | 1186 | const IV aiv = SvIVX(TOPm1s); |
5479d192 NC |
1187 | if (aiv >= 0) { |
1188 | left = aiv; | |
1189 | left_non_neg = TRUE; /* effectively it's a UV now */ | |
1190 | } | |
1191 | else { | |
1192 | left = -aiv; | |
1193 | } | |
1194 | } | |
1195 | ||
1196 | if (left >= right | |
1197 | #ifdef SLOPPYDIVIDE | |
1198 | /* For sloppy divide we always attempt integer division. */ | |
1199 | #else | |
1200 | /* Otherwise we only attempt it if either or both operands | |
1201 | would not be preserved by an NV. If both fit in NVs | |
0c2ee62a NC |
1202 | we fall through to the NV divide code below. However, |
1203 | as left >= right to ensure integer result here, we know that | |
1204 | we can skip the test on the right operand - right big | |
1205 | enough not to be preserved can't get here unless left is | |
1206 | also too big. */ | |
1207 | ||
1208 | && (left > ((UV)1 << NV_PRESERVES_UV_BITS)) | |
5479d192 NC |
1209 | #endif |
1210 | ) { | |
1211 | /* Integer division can't overflow, but it can be imprecise. */ | |
1b6737cc | 1212 | const UV result = left / right; |
5479d192 NC |
1213 | if (result * right == left) { |
1214 | SP--; /* result is valid */ | |
1215 | if (left_non_neg == right_non_neg) { | |
1216 | /* signs identical, result is positive. */ | |
1217 | SETu( result ); | |
1218 | RETURN; | |
1219 | } | |
1220 | /* 2s complement assumption */ | |
1221 | if (result <= (UV)IV_MIN) | |
91f3b821 | 1222 | SETi( -(IV)result ); |
5479d192 NC |
1223 | else { |
1224 | /* It's exact but too negative for IV. */ | |
1225 | SETn( -(NV)result ); | |
1226 | } | |
1227 | RETURN; | |
1228 | } /* tried integer divide but it was not an integer result */ | |
32fdb065 | 1229 | } /* else (PERL_ABS(result) < 1.0) or (both UVs in range for NV) */ |
5479d192 NC |
1230 | } /* left wasn't SvIOK */ |
1231 | } /* right wasn't SvIOK */ | |
1232 | #endif /* PERL_TRY_UV_DIVIDE */ | |
1233 | { | |
1234 | dPOPPOPnnrl; | |
1235 | if (right == 0.0) | |
1236 | DIE(aTHX_ "Illegal division by zero"); | |
1237 | PUSHn( left / right ); | |
1238 | RETURN; | |
79072805 | 1239 | } |
a0d0e21e LW |
1240 | } |
1241 | ||
1242 | PP(pp_modulo) | |
1243 | { | |
39644a26 | 1244 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 1245 | { |
9c5ffd7c JH |
1246 | UV left = 0; |
1247 | UV right = 0; | |
dc656993 JH |
1248 | bool left_neg = FALSE; |
1249 | bool right_neg = FALSE; | |
e2c88acc NC |
1250 | bool use_double = FALSE; |
1251 | bool dright_valid = FALSE; | |
9c5ffd7c JH |
1252 | NV dright = 0.0; |
1253 | NV dleft = 0.0; | |
787eafbd | 1254 | |
e2c88acc NC |
1255 | SvIV_please(TOPs); |
1256 | if (SvIOK(TOPs)) { | |
1257 | right_neg = !SvUOK(TOPs); | |
1258 | if (!right_neg) { | |
1259 | right = SvUVX(POPs); | |
1260 | } else { | |
1b6737cc | 1261 | const IV biv = SvIVX(POPs); |
e2c88acc NC |
1262 | if (biv >= 0) { |
1263 | right = biv; | |
1264 | right_neg = FALSE; /* effectively it's a UV now */ | |
1265 | } else { | |
1266 | right = -biv; | |
1267 | } | |
1268 | } | |
1269 | } | |
1270 | else { | |
787eafbd | 1271 | dright = POPn; |
787eafbd IZ |
1272 | right_neg = dright < 0; |
1273 | if (right_neg) | |
1274 | dright = -dright; | |
e2c88acc NC |
1275 | if (dright < UV_MAX_P1) { |
1276 | right = U_V(dright); | |
1277 | dright_valid = TRUE; /* In case we need to use double below. */ | |
1278 | } else { | |
1279 | use_double = TRUE; | |
1280 | } | |
787eafbd | 1281 | } |
a0d0e21e | 1282 | |
e2c88acc NC |
1283 | /* At this point use_double is only true if right is out of range for |
1284 | a UV. In range NV has been rounded down to nearest UV and | |
1285 | use_double false. */ | |
1286 | SvIV_please(TOPs); | |
1287 | if (!use_double && SvIOK(TOPs)) { | |
1288 | if (SvIOK(TOPs)) { | |
1289 | left_neg = !SvUOK(TOPs); | |
1290 | if (!left_neg) { | |
1291 | left = SvUVX(POPs); | |
1292 | } else { | |
1293 | IV aiv = SvIVX(POPs); | |
1294 | if (aiv >= 0) { | |
1295 | left = aiv; | |
1296 | left_neg = FALSE; /* effectively it's a UV now */ | |
1297 | } else { | |
1298 | left = -aiv; | |
1299 | } | |
1300 | } | |
1301 | } | |
1302 | } | |
787eafbd IZ |
1303 | else { |
1304 | dleft = POPn; | |
787eafbd IZ |
1305 | left_neg = dleft < 0; |
1306 | if (left_neg) | |
1307 | dleft = -dleft; | |
68dc0745 | 1308 | |
e2c88acc NC |
1309 | /* This should be exactly the 5.6 behaviour - if left and right are |
1310 | both in range for UV then use U_V() rather than floor. */ | |
1311 | if (!use_double) { | |
1312 | if (dleft < UV_MAX_P1) { | |
1313 | /* right was in range, so is dleft, so use UVs not double. | |
1314 | */ | |
1315 | left = U_V(dleft); | |
1316 | } | |
1317 | /* left is out of range for UV, right was in range, so promote | |
1318 | right (back) to double. */ | |
1319 | else { | |
1320 | /* The +0.5 is used in 5.6 even though it is not strictly | |
1321 | consistent with the implicit +0 floor in the U_V() | |
1322 | inside the #if 1. */ | |
1323 | dleft = Perl_floor(dleft + 0.5); | |
1324 | use_double = TRUE; | |
1325 | if (dright_valid) | |
1326 | dright = Perl_floor(dright + 0.5); | |
1327 | else | |
1328 | dright = right; | |
1329 | } | |
1330 | } | |
1331 | } | |
787eafbd | 1332 | if (use_double) { |
65202027 | 1333 | NV dans; |
787eafbd | 1334 | |
787eafbd | 1335 | if (!dright) |
cea2e8a9 | 1336 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd | 1337 | |
65202027 | 1338 | dans = Perl_fmod(dleft, dright); |
787eafbd IZ |
1339 | if ((left_neg != right_neg) && dans) |
1340 | dans = dright - dans; | |
1341 | if (right_neg) | |
1342 | dans = -dans; | |
1343 | sv_setnv(TARG, dans); | |
1344 | } | |
1345 | else { | |
1346 | UV ans; | |
1347 | ||
787eafbd | 1348 | if (!right) |
cea2e8a9 | 1349 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1350 | |
1351 | ans = left % right; | |
1352 | if ((left_neg != right_neg) && ans) | |
1353 | ans = right - ans; | |
1354 | if (right_neg) { | |
1355 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1356 | /* could change -foo to be (~foo)+1 instead */ | |
1357 | if (ans <= ~((UV)IV_MAX)+1) | |
1358 | sv_setiv(TARG, ~ans+1); | |
1359 | else | |
65202027 | 1360 | sv_setnv(TARG, -(NV)ans); |
787eafbd IZ |
1361 | } |
1362 | else | |
1363 | sv_setuv(TARG, ans); | |
1364 | } | |
1365 | PUSHTARG; | |
1366 | RETURN; | |
79072805 | 1367 | } |
a0d0e21e | 1368 | } |
79072805 | 1369 | |
a0d0e21e LW |
1370 | PP(pp_repeat) |
1371 | { | |
39644a26 | 1372 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1373 | { |
2b573ace JH |
1374 | register IV count; |
1375 | dPOPss; | |
5b295bef | 1376 | SvGETMAGIC(sv); |
2b573ace JH |
1377 | if (SvIOKp(sv)) { |
1378 | if (SvUOK(sv)) { | |
1b6737cc | 1379 | const UV uv = SvUV(sv); |
2b573ace JH |
1380 | if (uv > IV_MAX) |
1381 | count = IV_MAX; /* The best we can do? */ | |
1382 | else | |
1383 | count = uv; | |
1384 | } else { | |
1385 | IV iv = SvIV(sv); | |
1386 | if (iv < 0) | |
1387 | count = 0; | |
1388 | else | |
1389 | count = iv; | |
1390 | } | |
1391 | } | |
1392 | else if (SvNOKp(sv)) { | |
1b6737cc | 1393 | const NV nv = SvNV(sv); |
2b573ace JH |
1394 | if (nv < 0.0) |
1395 | count = 0; | |
1396 | else | |
1397 | count = (IV)nv; | |
1398 | } | |
1399 | else | |
1400 | count = SvIVx(sv); | |
533c011a | 1401 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
1402 | dMARK; |
1403 | I32 items = SP - MARK; | |
1404 | I32 max; | |
2b573ace JH |
1405 | static const char oom_list_extend[] = |
1406 | "Out of memory during list extend"; | |
79072805 | 1407 | |
a0d0e21e | 1408 | max = items * count; |
2b573ace JH |
1409 | MEM_WRAP_CHECK_1(max, SV*, oom_list_extend); |
1410 | /* Did the max computation overflow? */ | |
27d5b266 | 1411 | if (items > 0 && max > 0 && (max < items || max < count)) |
2b573ace | 1412 | Perl_croak(aTHX_ oom_list_extend); |
a0d0e21e LW |
1413 | MEXTEND(MARK, max); |
1414 | if (count > 1) { | |
1415 | while (SP > MARK) { | |
976c8a39 JH |
1416 | #if 0 |
1417 | /* This code was intended to fix 20010809.028: | |
1418 | ||
1419 | $x = 'abcd'; | |
1420 | for (($x =~ /./g) x 2) { | |
1421 | print chop; # "abcdabcd" expected as output. | |
1422 | } | |
1423 | ||
1424 | * but that change (#11635) broke this code: | |
1425 | ||
1426 | $x = [("foo")x2]; # only one "foo" ended up in the anonlist. | |
1427 | ||
1428 | * I can't think of a better fix that doesn't introduce | |
1429 | * an efficiency hit by copying the SVs. The stack isn't | |
1430 | * refcounted, and mortalisation obviously doesn't | |
1431 | * Do The Right Thing when the stack has more than | |
1432 | * one pointer to the same mortal value. | |
1433 | * .robin. | |
1434 | */ | |
e30acc16 RH |
1435 | if (*SP) { |
1436 | *SP = sv_2mortal(newSVsv(*SP)); | |
1437 | SvREADONLY_on(*SP); | |
1438 | } | |
976c8a39 JH |
1439 | #else |
1440 | if (*SP) | |
1441 | SvTEMP_off((*SP)); | |
1442 | #endif | |
a0d0e21e | 1443 | SP--; |
79072805 | 1444 | } |
a0d0e21e LW |
1445 | MARK++; |
1446 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1447 | items * sizeof(SV*), count - 1); | |
1448 | SP += max; | |
79072805 | 1449 | } |
a0d0e21e LW |
1450 | else if (count <= 0) |
1451 | SP -= items; | |
79072805 | 1452 | } |
a0d0e21e | 1453 | else { /* Note: mark already snarfed by pp_list */ |
dfcb284a | 1454 | SV *tmpstr = POPs; |
a0d0e21e | 1455 | STRLEN len; |
9b877dbb | 1456 | bool isutf; |
2b573ace JH |
1457 | static const char oom_string_extend[] = |
1458 | "Out of memory during string extend"; | |
a0d0e21e | 1459 | |
a0d0e21e LW |
1460 | SvSetSV(TARG, tmpstr); |
1461 | SvPV_force(TARG, len); | |
9b877dbb | 1462 | isutf = DO_UTF8(TARG); |
8ebc5c01 | 1463 | if (count != 1) { |
1464 | if (count < 1) | |
1465 | SvCUR_set(TARG, 0); | |
1466 | else { | |
991350d8 | 1467 | STRLEN max = (UV)count * len; |
2b573ace JH |
1468 | if (len > ((MEM_SIZE)~0)/count) |
1469 | Perl_croak(aTHX_ oom_string_extend); | |
1470 | MEM_WRAP_CHECK_1(max, char, oom_string_extend); | |
8569b9dc | 1471 | SvGROW(TARG, max + 1); |
a0d0e21e | 1472 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
b162af07 | 1473 | SvCUR_set(TARG, SvCUR(TARG) * count); |
7a4c00b4 | 1474 | } |
a0d0e21e | 1475 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1476 | } |
dfcb284a GS |
1477 | if (isutf) |
1478 | (void)SvPOK_only_UTF8(TARG); | |
1479 | else | |
1480 | (void)SvPOK_only(TARG); | |
b80b6069 RH |
1481 | |
1482 | if (PL_op->op_private & OPpREPEAT_DOLIST) { | |
1483 | /* The parser saw this as a list repeat, and there | |
1484 | are probably several items on the stack. But we're | |
1485 | in scalar context, and there's no pp_list to save us | |
1486 | now. So drop the rest of the items -- robin@kitsite.com | |
1487 | */ | |
1488 | dMARK; | |
1489 | SP = MARK; | |
1490 | } | |
a0d0e21e | 1491 | PUSHTARG; |
79072805 | 1492 | } |
a0d0e21e | 1493 | RETURN; |
748a9306 | 1494 | } |
a0d0e21e | 1495 | } |
79072805 | 1496 | |
a0d0e21e LW |
1497 | PP(pp_subtract) |
1498 | { | |
39644a26 | 1499 | dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
28e5dec8 JH |
1500 | useleft = USE_LEFT(TOPm1s); |
1501 | #ifdef PERL_PRESERVE_IVUV | |
7dca457a NC |
1502 | /* See comments in pp_add (in pp_hot.c) about Overflow, and how |
1503 | "bad things" happen if you rely on signed integers wrapping. */ | |
28e5dec8 JH |
1504 | SvIV_please(TOPs); |
1505 | if (SvIOK(TOPs)) { | |
1506 | /* Unless the left argument is integer in range we are going to have to | |
1507 | use NV maths. Hence only attempt to coerce the right argument if | |
1508 | we know the left is integer. */ | |
9c5ffd7c JH |
1509 | register UV auv = 0; |
1510 | bool auvok = FALSE; | |
7dca457a NC |
1511 | bool a_valid = 0; |
1512 | ||
28e5dec8 | 1513 | if (!useleft) { |
7dca457a NC |
1514 | auv = 0; |
1515 | a_valid = auvok = 1; | |
1516 | /* left operand is undef, treat as zero. */ | |
28e5dec8 JH |
1517 | } else { |
1518 | /* Left operand is defined, so is it IV? */ | |
1519 | SvIV_please(TOPm1s); | |
1520 | if (SvIOK(TOPm1s)) { | |
7dca457a NC |
1521 | if ((auvok = SvUOK(TOPm1s))) |
1522 | auv = SvUVX(TOPm1s); | |
1523 | else { | |
1b6737cc | 1524 | register const IV aiv = SvIVX(TOPm1s); |
7dca457a NC |
1525 | if (aiv >= 0) { |
1526 | auv = aiv; | |
1527 | auvok = 1; /* Now acting as a sign flag. */ | |
1528 | } else { /* 2s complement assumption for IV_MIN */ | |
1529 | auv = (UV)-aiv; | |
28e5dec8 | 1530 | } |
7dca457a NC |
1531 | } |
1532 | a_valid = 1; | |
1533 | } | |
1534 | } | |
1535 | if (a_valid) { | |
1536 | bool result_good = 0; | |
1537 | UV result; | |
1538 | register UV buv; | |
1539 | bool buvok = SvUOK(TOPs); | |
9041c2e3 | 1540 | |
7dca457a NC |
1541 | if (buvok) |
1542 | buv = SvUVX(TOPs); | |
1543 | else { | |
1b6737cc | 1544 | register const IV biv = SvIVX(TOPs); |
7dca457a NC |
1545 | if (biv >= 0) { |
1546 | buv = biv; | |
1547 | buvok = 1; | |
1548 | } else | |
1549 | buv = (UV)-biv; | |
1550 | } | |
1551 | /* ?uvok if value is >= 0. basically, flagged as UV if it's +ve, | |
602f51c4 | 1552 | else "IV" now, independent of how it came in. |
7dca457a NC |
1553 | if a, b represents positive, A, B negative, a maps to -A etc |
1554 | a - b => (a - b) | |
1555 | A - b => -(a + b) | |
1556 | a - B => (a + b) | |
1557 | A - B => -(a - b) | |
1558 | all UV maths. negate result if A negative. | |
1559 | subtract if signs same, add if signs differ. */ | |
1560 | ||
1561 | if (auvok ^ buvok) { | |
1562 | /* Signs differ. */ | |
1563 | result = auv + buv; | |
1564 | if (result >= auv) | |
1565 | result_good = 1; | |
1566 | } else { | |
1567 | /* Signs same */ | |
1568 | if (auv >= buv) { | |
1569 | result = auv - buv; | |
1570 | /* Must get smaller */ | |
1571 | if (result <= auv) | |
1572 | result_good = 1; | |
1573 | } else { | |
1574 | result = buv - auv; | |
1575 | if (result <= buv) { | |
1576 | /* result really should be -(auv-buv). as its negation | |
1577 | of true value, need to swap our result flag */ | |
1578 | auvok = !auvok; | |
1579 | result_good = 1; | |
28e5dec8 | 1580 | } |
28e5dec8 JH |
1581 | } |
1582 | } | |
7dca457a NC |
1583 | if (result_good) { |
1584 | SP--; | |
1585 | if (auvok) | |
1586 | SETu( result ); | |
1587 | else { | |
1588 | /* Negate result */ | |
1589 | if (result <= (UV)IV_MIN) | |
1590 | SETi( -(IV)result ); | |
1591 | else { | |
1592 | /* result valid, but out of range for IV. */ | |
1593 | SETn( -(NV)result ); | |
1594 | } | |
1595 | } | |
1596 | RETURN; | |
1597 | } /* Overflow, drop through to NVs. */ | |
28e5dec8 JH |
1598 | } |
1599 | } | |
1600 | #endif | |
7dca457a | 1601 | useleft = USE_LEFT(TOPm1s); |
a0d0e21e | 1602 | { |
28e5dec8 JH |
1603 | dPOPnv; |
1604 | if (!useleft) { | |
1605 | /* left operand is undef, treat as zero - value */ | |
1606 | SETn(-value); | |
1607 | RETURN; | |
1608 | } | |
1609 | SETn( TOPn - value ); | |
1610 | RETURN; | |
79072805 | 1611 | } |
a0d0e21e | 1612 | } |
79072805 | 1613 | |
a0d0e21e LW |
1614 | PP(pp_left_shift) |
1615 | { | |
39644a26 | 1616 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1617 | { |
1b6737cc | 1618 | const IV shift = POPi; |
d0ba1bd2 | 1619 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1620 | IV i = TOPi; |
1621 | SETi(i << shift); | |
d0ba1bd2 JH |
1622 | } |
1623 | else { | |
972b05a9 JH |
1624 | UV u = TOPu; |
1625 | SETu(u << shift); | |
d0ba1bd2 | 1626 | } |
55497cff | 1627 | RETURN; |
79072805 | 1628 | } |
a0d0e21e | 1629 | } |
79072805 | 1630 | |
a0d0e21e LW |
1631 | PP(pp_right_shift) |
1632 | { | |
39644a26 | 1633 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1634 | { |
1b6737cc | 1635 | const IV shift = POPi; |
d0ba1bd2 | 1636 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1637 | IV i = TOPi; |
1638 | SETi(i >> shift); | |
d0ba1bd2 JH |
1639 | } |
1640 | else { | |
972b05a9 JH |
1641 | UV u = TOPu; |
1642 | SETu(u >> shift); | |
d0ba1bd2 | 1643 | } |
a0d0e21e | 1644 | RETURN; |
93a17b20 | 1645 | } |
79072805 LW |
1646 | } |
1647 | ||
a0d0e21e | 1648 | PP(pp_lt) |
79072805 | 1649 | { |
39644a26 | 1650 | dSP; tryAMAGICbinSET(lt,0); |
28e5dec8 JH |
1651 | #ifdef PERL_PRESERVE_IVUV |
1652 | SvIV_please(TOPs); | |
1653 | if (SvIOK(TOPs)) { | |
1654 | SvIV_please(TOPm1s); | |
1655 | if (SvIOK(TOPm1s)) { | |
1656 | bool auvok = SvUOK(TOPm1s); | |
1657 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1658 | |
28e5dec8 | 1659 | if (!auvok && !buvok) { /* ## IV < IV ## */ |
1b6737cc AL |
1660 | const IV aiv = SvIVX(TOPm1s); |
1661 | const IV biv = SvIVX(TOPs); | |
28e5dec8 JH |
1662 | |
1663 | SP--; | |
1664 | SETs(boolSV(aiv < biv)); | |
1665 | RETURN; | |
1666 | } | |
1667 | if (auvok && buvok) { /* ## UV < UV ## */ | |
1b6737cc AL |
1668 | const UV auv = SvUVX(TOPm1s); |
1669 | const UV buv = SvUVX(TOPs); | |
28e5dec8 JH |
1670 | |
1671 | SP--; | |
1672 | SETs(boolSV(auv < buv)); | |
1673 | RETURN; | |
1674 | } | |
1675 | if (auvok) { /* ## UV < IV ## */ | |
1676 | UV auv; | |
1b6737cc | 1677 | const IV biv = SvIVX(TOPs); |
28e5dec8 JH |
1678 | SP--; |
1679 | if (biv < 0) { | |
1680 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1681 | SETs(&PL_sv_no); | |
1682 | RETURN; | |
1683 | } | |
1684 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1685 | SETs(boolSV(auv < (UV)biv)); |
1686 | RETURN; | |
1687 | } | |
1688 | { /* ## IV < UV ## */ | |
1b6737cc | 1689 | const IV aiv = SvIVX(TOPm1s); |
28e5dec8 JH |
1690 | UV buv; |
1691 | ||
28e5dec8 JH |
1692 | if (aiv < 0) { |
1693 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1694 | SP--; | |
1695 | SETs(&PL_sv_yes); | |
1696 | RETURN; | |
1697 | } | |
1698 | buv = SvUVX(TOPs); | |
1699 | SP--; | |
28e5dec8 JH |
1700 | SETs(boolSV((UV)aiv < buv)); |
1701 | RETURN; | |
1702 | } | |
1703 | } | |
1704 | } | |
1705 | #endif | |
30de85b6 | 1706 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1707 | #ifdef PERL_PRESERVE_IVUV |
1708 | else | |
1709 | #endif | |
0bdaccee NC |
1710 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
1711 | SP--; | |
1712 | SETs(boolSV(SvRV(TOPs) < SvRV(TOPp1s))); | |
1713 | RETURN; | |
1714 | } | |
30de85b6 | 1715 | #endif |
a0d0e21e LW |
1716 | { |
1717 | dPOPnv; | |
54310121 | 1718 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1719 | RETURN; |
79072805 | 1720 | } |
a0d0e21e | 1721 | } |
79072805 | 1722 | |
a0d0e21e LW |
1723 | PP(pp_gt) |
1724 | { | |
39644a26 | 1725 | dSP; tryAMAGICbinSET(gt,0); |
28e5dec8 JH |
1726 | #ifdef PERL_PRESERVE_IVUV |
1727 | SvIV_please(TOPs); | |
1728 | if (SvIOK(TOPs)) { | |
1729 | SvIV_please(TOPm1s); | |
1730 | if (SvIOK(TOPm1s)) { | |
1731 | bool auvok = SvUOK(TOPm1s); | |
1732 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1733 | |
28e5dec8 | 1734 | if (!auvok && !buvok) { /* ## IV > IV ## */ |
1b6737cc AL |
1735 | const IV aiv = SvIVX(TOPm1s); |
1736 | const IV biv = SvIVX(TOPs); | |
1737 | ||
28e5dec8 JH |
1738 | SP--; |
1739 | SETs(boolSV(aiv > biv)); | |
1740 | RETURN; | |
1741 | } | |
1742 | if (auvok && buvok) { /* ## UV > UV ## */ | |
1b6737cc AL |
1743 | const UV auv = SvUVX(TOPm1s); |
1744 | const UV buv = SvUVX(TOPs); | |
28e5dec8 JH |
1745 | |
1746 | SP--; | |
1747 | SETs(boolSV(auv > buv)); | |
1748 | RETURN; | |
1749 | } | |
1750 | if (auvok) { /* ## UV > IV ## */ | |
1751 | UV auv; | |
1b6737cc AL |
1752 | const IV biv = SvIVX(TOPs); |
1753 | ||
28e5dec8 JH |
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 ## */ | |
1b6737cc | 1765 | const IV aiv = SvIVX(TOPm1s); |
28e5dec8 JH |
1766 | UV buv; |
1767 | ||
28e5dec8 JH |
1768 | if (aiv < 0) { |
1769 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
1770 | SP--; | |
1771 | SETs(&PL_sv_no); | |
1772 | RETURN; | |
1773 | } | |
1774 | buv = SvUVX(TOPs); | |
1775 | SP--; | |
28e5dec8 JH |
1776 | SETs(boolSV((UV)aiv > buv)); |
1777 | RETURN; | |
1778 | } | |
1779 | } | |
1780 | } | |
1781 | #endif | |
30de85b6 | 1782 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1783 | #ifdef PERL_PRESERVE_IVUV |
1784 | else | |
1785 | #endif | |
0bdaccee | 1786 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
30de85b6 NC |
1787 | SP--; |
1788 | SETs(boolSV(SvRV(TOPs) > SvRV(TOPp1s))); | |
1789 | RETURN; | |
1790 | } | |
1791 | #endif | |
a0d0e21e LW |
1792 | { |
1793 | dPOPnv; | |
54310121 | 1794 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1795 | RETURN; |
79072805 | 1796 | } |
a0d0e21e LW |
1797 | } |
1798 | ||
1799 | PP(pp_le) | |
1800 | { | |
39644a26 | 1801 | dSP; tryAMAGICbinSET(le,0); |
28e5dec8 JH |
1802 | #ifdef PERL_PRESERVE_IVUV |
1803 | SvIV_please(TOPs); | |
1804 | if (SvIOK(TOPs)) { | |
1805 | SvIV_please(TOPm1s); | |
1806 | if (SvIOK(TOPm1s)) { | |
1807 | bool auvok = SvUOK(TOPm1s); | |
1808 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1809 | |
28e5dec8 | 1810 | if (!auvok && !buvok) { /* ## IV <= IV ## */ |
1b6737cc AL |
1811 | const IV aiv = SvIVX(TOPm1s); |
1812 | const IV biv = SvIVX(TOPs); | |
28e5dec8 JH |
1813 | |
1814 | SP--; | |
1815 | SETs(boolSV(aiv <= biv)); | |
1816 | RETURN; | |
1817 | } | |
1818 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
1819 | UV auv = SvUVX(TOPm1s); | |
1820 | UV buv = SvUVX(TOPs); | |
1821 | ||
1822 | SP--; | |
1823 | SETs(boolSV(auv <= buv)); | |
1824 | RETURN; | |
1825 | } | |
1826 | if (auvok) { /* ## UV <= IV ## */ | |
1827 | UV auv; | |
1b6737cc AL |
1828 | const IV biv = SvIVX(TOPs); |
1829 | ||
28e5dec8 JH |
1830 | SP--; |
1831 | if (biv < 0) { | |
1832 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
1833 | SETs(&PL_sv_no); | |
1834 | RETURN; | |
1835 | } | |
1836 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1837 | SETs(boolSV(auv <= (UV)biv)); |
1838 | RETURN; | |
1839 | } | |
1840 | { /* ## IV <= UV ## */ | |
1b6737cc | 1841 | const IV aiv = SvIVX(TOPm1s); |
28e5dec8 | 1842 | UV buv; |
1b6737cc | 1843 | |
28e5dec8 JH |
1844 | if (aiv < 0) { |
1845 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
1846 | SP--; | |
1847 | SETs(&PL_sv_yes); | |
1848 | RETURN; | |
1849 | } | |
1850 | buv = SvUVX(TOPs); | |
1851 | SP--; | |
28e5dec8 JH |
1852 | SETs(boolSV((UV)aiv <= buv)); |
1853 | RETURN; | |
1854 | } | |
1855 | } | |
1856 | } | |
1857 | #endif | |
30de85b6 | 1858 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1859 | #ifdef PERL_PRESERVE_IVUV |
1860 | else | |
1861 | #endif | |
0bdaccee | 1862 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
30de85b6 NC |
1863 | SP--; |
1864 | SETs(boolSV(SvRV(TOPs) <= SvRV(TOPp1s))); | |
1865 | RETURN; | |
1866 | } | |
1867 | #endif | |
a0d0e21e LW |
1868 | { |
1869 | dPOPnv; | |
54310121 | 1870 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1871 | RETURN; |
79072805 | 1872 | } |
a0d0e21e LW |
1873 | } |
1874 | ||
1875 | PP(pp_ge) | |
1876 | { | |
39644a26 | 1877 | dSP; tryAMAGICbinSET(ge,0); |
28e5dec8 JH |
1878 | #ifdef PERL_PRESERVE_IVUV |
1879 | SvIV_please(TOPs); | |
1880 | if (SvIOK(TOPs)) { | |
1881 | SvIV_please(TOPm1s); | |
1882 | if (SvIOK(TOPm1s)) { | |
1883 | bool auvok = SvUOK(TOPm1s); | |
1884 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1885 | |
28e5dec8 | 1886 | if (!auvok && !buvok) { /* ## IV >= IV ## */ |
1b6737cc AL |
1887 | const IV aiv = SvIVX(TOPm1s); |
1888 | const IV biv = SvIVX(TOPs); | |
1889 | ||
28e5dec8 JH |
1890 | SP--; |
1891 | SETs(boolSV(aiv >= biv)); | |
1892 | RETURN; | |
1893 | } | |
1894 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
1b6737cc AL |
1895 | const UV auv = SvUVX(TOPm1s); |
1896 | const UV buv = SvUVX(TOPs); | |
1897 | ||
28e5dec8 JH |
1898 | SP--; |
1899 | SETs(boolSV(auv >= buv)); | |
1900 | RETURN; | |
1901 | } | |
1902 | if (auvok) { /* ## UV >= IV ## */ | |
1903 | UV auv; | |
1b6737cc AL |
1904 | const IV biv = SvIVX(TOPs); |
1905 | ||
28e5dec8 JH |
1906 | SP--; |
1907 | if (biv < 0) { | |
1908 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
1909 | SETs(&PL_sv_yes); | |
1910 | RETURN; | |
1911 | } | |
1912 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1913 | SETs(boolSV(auv >= (UV)biv)); |
1914 | RETURN; | |
1915 | } | |
1916 | { /* ## IV >= UV ## */ | |
1b6737cc | 1917 | const IV aiv = SvIVX(TOPm1s); |
28e5dec8 | 1918 | UV buv; |
1b6737cc | 1919 | |
28e5dec8 JH |
1920 | if (aiv < 0) { |
1921 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
1922 | SP--; | |
1923 | SETs(&PL_sv_no); | |
1924 | RETURN; | |
1925 | } | |
1926 | buv = SvUVX(TOPs); | |
1927 | SP--; | |
28e5dec8 JH |
1928 | SETs(boolSV((UV)aiv >= buv)); |
1929 | RETURN; | |
1930 | } | |
1931 | } | |
1932 | } | |
1933 | #endif | |
30de85b6 | 1934 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1935 | #ifdef PERL_PRESERVE_IVUV |
1936 | else | |
1937 | #endif | |
0bdaccee | 1938 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
30de85b6 NC |
1939 | SP--; |
1940 | SETs(boolSV(SvRV(TOPs) >= SvRV(TOPp1s))); | |
1941 | RETURN; | |
1942 | } | |
1943 | #endif | |
a0d0e21e LW |
1944 | { |
1945 | dPOPnv; | |
54310121 | 1946 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1947 | RETURN; |
79072805 | 1948 | } |
a0d0e21e | 1949 | } |
79072805 | 1950 | |
a0d0e21e LW |
1951 | PP(pp_ne) |
1952 | { | |
16303949 | 1953 | dSP; tryAMAGICbinSET(ne,0); |
3bb2c415 | 1954 | #ifndef NV_PRESERVES_UV |
0bdaccee | 1955 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
e61d22ef NC |
1956 | SP--; |
1957 | SETs(boolSV(SvRV(TOPs) != SvRV(TOPp1s))); | |
3bb2c415 JH |
1958 | RETURN; |
1959 | } | |
1960 | #endif | |
28e5dec8 JH |
1961 | #ifdef PERL_PRESERVE_IVUV |
1962 | SvIV_please(TOPs); | |
1963 | if (SvIOK(TOPs)) { | |
1964 | SvIV_please(TOPm1s); | |
1965 | if (SvIOK(TOPm1s)) { | |
1966 | bool auvok = SvUOK(TOPm1s); | |
1967 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1968 | |
30de85b6 NC |
1969 | if (auvok == buvok) { /* ## IV == IV or UV == UV ## */ |
1970 | /* Casting IV to UV before comparison isn't going to matter | |
1971 | on 2s complement. On 1s complement or sign&magnitude | |
1972 | (if we have any of them) it could make negative zero | |
1973 | differ from normal zero. As I understand it. (Need to | |
1974 | check - is negative zero implementation defined behaviour | |
1975 | anyway?). NWC */ | |
1b6737cc AL |
1976 | const UV buv = SvUVX(POPs); |
1977 | const UV auv = SvUVX(TOPs); | |
1978 | ||
28e5dec8 JH |
1979 | SETs(boolSV(auv != buv)); |
1980 | RETURN; | |
1981 | } | |
1982 | { /* ## Mixed IV,UV ## */ | |
1983 | IV iv; | |
1984 | UV uv; | |
1985 | ||
1986 | /* != is commutative so swap if needed (save code) */ | |
1987 | if (auvok) { | |
1988 | /* swap. top of stack (b) is the iv */ | |
1989 | iv = SvIVX(TOPs); | |
1990 | SP--; | |
1991 | if (iv < 0) { | |
1992 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
1993 | SETs(&PL_sv_yes); | |
1994 | RETURN; | |
1995 | } | |
1996 | uv = SvUVX(TOPs); | |
1997 | } else { | |
1998 | iv = SvIVX(TOPm1s); | |
1999 | SP--; | |
2000 | if (iv < 0) { | |
2001 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
2002 | SETs(&PL_sv_yes); | |
2003 | RETURN; | |
2004 | } | |
2005 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
2006 | } | |
28e5dec8 JH |
2007 | SETs(boolSV((UV)iv != uv)); |
2008 | RETURN; | |
2009 | } | |
2010 | } | |
2011 | } | |
2012 | #endif | |
a0d0e21e LW |
2013 | { |
2014 | dPOPnv; | |
54310121 | 2015 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
2016 | RETURN; |
2017 | } | |
79072805 LW |
2018 | } |
2019 | ||
a0d0e21e | 2020 | PP(pp_ncmp) |
79072805 | 2021 | { |
39644a26 | 2022 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
d8c7644e | 2023 | #ifndef NV_PRESERVES_UV |
0bdaccee | 2024 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
e61d22ef NC |
2025 | UV right = PTR2UV(SvRV(POPs)); |
2026 | UV left = PTR2UV(SvRV(TOPs)); | |
2027 | SETi((left > right) - (left < right)); | |
d8c7644e JH |
2028 | RETURN; |
2029 | } | |
2030 | #endif | |
28e5dec8 JH |
2031 | #ifdef PERL_PRESERVE_IVUV |
2032 | /* Fortunately it seems NaN isn't IOK */ | |
2033 | SvIV_please(TOPs); | |
2034 | if (SvIOK(TOPs)) { | |
2035 | SvIV_please(TOPm1s); | |
2036 | if (SvIOK(TOPm1s)) { | |
1b6737cc AL |
2037 | const bool leftuvok = SvUOK(TOPm1s); |
2038 | const bool rightuvok = SvUOK(TOPs); | |
28e5dec8 JH |
2039 | I32 value; |
2040 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
1b6737cc AL |
2041 | const IV leftiv = SvIVX(TOPm1s); |
2042 | const IV rightiv = SvIVX(TOPs); | |
28e5dec8 JH |
2043 | |
2044 | if (leftiv > rightiv) | |
2045 | value = 1; | |
2046 | else if (leftiv < rightiv) | |
2047 | value = -1; | |
2048 | else | |
2049 | value = 0; | |
2050 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
1b6737cc AL |
2051 | const UV leftuv = SvUVX(TOPm1s); |
2052 | const UV rightuv = SvUVX(TOPs); | |
28e5dec8 JH |
2053 | |
2054 | if (leftuv > rightuv) | |
2055 | value = 1; | |
2056 | else if (leftuv < rightuv) | |
2057 | value = -1; | |
2058 | else | |
2059 | value = 0; | |
2060 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
1b6737cc | 2061 | const IV rightiv = SvIVX(TOPs); |
28e5dec8 JH |
2062 | if (rightiv < 0) { |
2063 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
2064 | value = 1; | |
2065 | } else { | |
1b6737cc | 2066 | const UV leftuv = SvUVX(TOPm1s); |
83bac5dd | 2067 | if (leftuv > (UV)rightiv) { |
28e5dec8 JH |
2068 | value = 1; |
2069 | } else if (leftuv < (UV)rightiv) { | |
2070 | value = -1; | |
2071 | } else { | |
2072 | value = 0; | |
2073 | } | |
2074 | } | |
2075 | } else { /* ## IV <=> UV ## */ | |
1b6737cc | 2076 | const IV leftiv = SvIVX(TOPm1s); |
28e5dec8 JH |
2077 | if (leftiv < 0) { |
2078 | /* As (b) is a UV, it's >=0, so it must be < */ | |
2079 | value = -1; | |
2080 | } else { | |
1b6737cc | 2081 | const UV rightuv = SvUVX(TOPs); |
83bac5dd | 2082 | if ((UV)leftiv > rightuv) { |
28e5dec8 | 2083 | value = 1; |
83bac5dd | 2084 | } else if ((UV)leftiv < rightuv) { |
28e5dec8 JH |
2085 | value = -1; |
2086 | } else { | |
2087 | value = 0; | |
2088 | } | |
2089 | } | |
2090 | } | |
2091 | SP--; | |
2092 | SETi(value); | |
2093 | RETURN; | |
2094 | } | |
2095 | } | |
2096 | #endif | |
a0d0e21e LW |
2097 | { |
2098 | dPOPTOPnnrl; | |
2099 | I32 value; | |
79072805 | 2100 | |
a3540c92 | 2101 | #ifdef Perl_isnan |
1ad04cfd JH |
2102 | if (Perl_isnan(left) || Perl_isnan(right)) { |
2103 | SETs(&PL_sv_undef); | |
2104 | RETURN; | |
2105 | } | |
2106 | value = (left > right) - (left < right); | |
2107 | #else | |
ff0cee69 | 2108 | if (left == right) |
a0d0e21e | 2109 | value = 0; |
a0d0e21e LW |
2110 | else if (left < right) |
2111 | value = -1; | |
44a8e56a | 2112 | else if (left > right) |
2113 | value = 1; | |
2114 | else { | |
3280af22 | 2115 | SETs(&PL_sv_undef); |
44a8e56a | 2116 | RETURN; |
2117 | } | |
1ad04cfd | 2118 | #endif |
a0d0e21e LW |
2119 | SETi(value); |
2120 | RETURN; | |
79072805 | 2121 | } |
a0d0e21e | 2122 | } |
79072805 | 2123 | |
a0d0e21e LW |
2124 | PP(pp_slt) |
2125 | { | |
39644a26 | 2126 | dSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
2127 | { |
2128 | dPOPTOPssrl; | |
1b6737cc | 2129 | const int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2130 | ? sv_cmp_locale(left, right) |
2131 | : sv_cmp(left, right)); | |
54310121 | 2132 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
2133 | RETURN; |
2134 | } | |
79072805 LW |
2135 | } |
2136 | ||
a0d0e21e | 2137 | PP(pp_sgt) |
79072805 | 2138 | { |
39644a26 | 2139 | dSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
2140 | { |
2141 | dPOPTOPssrl; | |
1b6737cc | 2142 | const int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2143 | ? sv_cmp_locale(left, right) |
2144 | : sv_cmp(left, right)); | |
54310121 | 2145 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
2146 | RETURN; |
2147 | } | |
2148 | } | |
79072805 | 2149 | |
a0d0e21e LW |
2150 | PP(pp_sle) |
2151 | { | |
39644a26 | 2152 | dSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
2153 | { |
2154 | dPOPTOPssrl; | |
1b6737cc | 2155 | const int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2156 | ? sv_cmp_locale(left, right) |
2157 | : sv_cmp(left, right)); | |
54310121 | 2158 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 2159 | RETURN; |
79072805 | 2160 | } |
79072805 LW |
2161 | } |
2162 | ||
a0d0e21e LW |
2163 | PP(pp_sge) |
2164 | { | |
39644a26 | 2165 | dSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
2166 | { |
2167 | dPOPTOPssrl; | |
1b6737cc | 2168 | const int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2169 | ? sv_cmp_locale(left, right) |
2170 | : sv_cmp(left, right)); | |
54310121 | 2171 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
2172 | RETURN; |
2173 | } | |
2174 | } | |
79072805 | 2175 | |
36477c24 | 2176 | PP(pp_seq) |
2177 | { | |
39644a26 | 2178 | dSP; tryAMAGICbinSET(seq,0); |
36477c24 | 2179 | { |
2180 | dPOPTOPssrl; | |
54310121 | 2181 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
2182 | RETURN; |
2183 | } | |
2184 | } | |
79072805 | 2185 | |
a0d0e21e | 2186 | PP(pp_sne) |
79072805 | 2187 | { |
39644a26 | 2188 | dSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
2189 | { |
2190 | dPOPTOPssrl; | |
54310121 | 2191 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 2192 | RETURN; |
463ee0b2 | 2193 | } |
79072805 LW |
2194 | } |
2195 | ||
a0d0e21e | 2196 | PP(pp_scmp) |
79072805 | 2197 | { |
39644a26 | 2198 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
2199 | { |
2200 | dPOPTOPssrl; | |
1b6737cc | 2201 | const int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2202 | ? sv_cmp_locale(left, right) |
2203 | : sv_cmp(left, right)); | |
2204 | SETi( cmp ); | |
a0d0e21e LW |
2205 | RETURN; |
2206 | } | |
2207 | } | |
79072805 | 2208 | |
55497cff | 2209 | PP(pp_bit_and) |
2210 | { | |
39644a26 | 2211 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
2212 | { |
2213 | dPOPTOPssrl; | |
5b295bef RD |
2214 | SvGETMAGIC(left); |
2215 | SvGETMAGIC(right); | |
4633a7c4 | 2216 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2217 | if (PL_op->op_private & HINT_INTEGER) { |
1b6737cc | 2218 | const IV i = SvIV_nomg(left) & SvIV_nomg(right); |
972b05a9 | 2219 | SETi(i); |
d0ba1bd2 JH |
2220 | } |
2221 | else { | |
1b6737cc | 2222 | const UV u = SvUV_nomg(left) & SvUV_nomg(right); |
972b05a9 | 2223 | SETu(u); |
d0ba1bd2 | 2224 | } |
a0d0e21e LW |
2225 | } |
2226 | else { | |
533c011a | 2227 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2228 | SETTARG; |
2229 | } | |
2230 | RETURN; | |
2231 | } | |
2232 | } | |
79072805 | 2233 | |
a0d0e21e LW |
2234 | PP(pp_bit_xor) |
2235 | { | |
39644a26 | 2236 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
2237 | { |
2238 | dPOPTOPssrl; | |
5b295bef RD |
2239 | SvGETMAGIC(left); |
2240 | SvGETMAGIC(right); | |
4633a7c4 | 2241 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2242 | if (PL_op->op_private & HINT_INTEGER) { |
1b6737cc | 2243 | const IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) ^ SvIV_nomg(right); |
972b05a9 | 2244 | SETi(i); |
d0ba1bd2 JH |
2245 | } |
2246 | else { | |
1b6737cc | 2247 | const UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) ^ SvUV_nomg(right); |
972b05a9 | 2248 | SETu(u); |
d0ba1bd2 | 2249 | } |
a0d0e21e LW |
2250 | } |
2251 | else { | |
533c011a | 2252 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2253 | SETTARG; |
2254 | } | |
2255 | RETURN; | |
2256 | } | |
2257 | } | |
79072805 | 2258 | |
a0d0e21e LW |
2259 | PP(pp_bit_or) |
2260 | { | |
39644a26 | 2261 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
2262 | { |
2263 | dPOPTOPssrl; | |
5b295bef RD |
2264 | SvGETMAGIC(left); |
2265 | SvGETMAGIC(right); | |
4633a7c4 | 2266 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2267 | if (PL_op->op_private & HINT_INTEGER) { |
1b6737cc | 2268 | const IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) | SvIV_nomg(right); |
972b05a9 | 2269 | SETi(i); |
d0ba1bd2 JH |
2270 | } |
2271 | else { | |
1b6737cc | 2272 | const UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) | SvUV_nomg(right); |
972b05a9 | 2273 | SETu(u); |
d0ba1bd2 | 2274 | } |
a0d0e21e LW |
2275 | } |
2276 | else { | |
533c011a | 2277 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2278 | SETTARG; |
2279 | } | |
2280 | RETURN; | |
79072805 | 2281 | } |
a0d0e21e | 2282 | } |
79072805 | 2283 | |
a0d0e21e LW |
2284 | PP(pp_negate) |
2285 | { | |
39644a26 | 2286 | dSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
2287 | { |
2288 | dTOPss; | |
1b6737cc | 2289 | const int flags = SvFLAGS(sv); |
5b295bef | 2290 | SvGETMAGIC(sv); |
28e5dec8 JH |
2291 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
2292 | /* It's publicly an integer, or privately an integer-not-float */ | |
2293 | oops_its_an_int: | |
9b0e499b GS |
2294 | if (SvIsUV(sv)) { |
2295 | if (SvIVX(sv) == IV_MIN) { | |
28e5dec8 | 2296 | /* 2s complement assumption. */ |
9b0e499b GS |
2297 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
2298 | RETURN; | |
2299 | } | |
2300 | else if (SvUVX(sv) <= IV_MAX) { | |
beccb14c | 2301 | SETi(-SvIVX(sv)); |
9b0e499b GS |
2302 | RETURN; |
2303 | } | |
2304 | } | |
2305 | else if (SvIVX(sv) != IV_MIN) { | |
2306 | SETi(-SvIVX(sv)); | |
2307 | RETURN; | |
2308 | } | |
28e5dec8 JH |
2309 | #ifdef PERL_PRESERVE_IVUV |
2310 | else { | |
2311 | SETu((UV)IV_MIN); | |
2312 | RETURN; | |
2313 | } | |
2314 | #endif | |
9b0e499b GS |
2315 | } |
2316 | if (SvNIOKp(sv)) | |
a0d0e21e | 2317 | SETn(-SvNV(sv)); |
4633a7c4 | 2318 | else if (SvPOKp(sv)) { |
a0d0e21e | 2319 | STRLEN len; |
6f46942a | 2320 | const char *s = SvPV_const(sv, len); |
bbce6d69 | 2321 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
2322 | sv_setpvn(TARG, "-", 1); |
2323 | sv_catsv(TARG, sv); | |
79072805 | 2324 | } |
a0d0e21e LW |
2325 | else if (*s == '+' || *s == '-') { |
2326 | sv_setsv(TARG, sv); | |
2327 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 2328 | } |
8eb28a70 JH |
2329 | else if (DO_UTF8(sv)) { |
2330 | SvIV_please(sv); | |
2331 | if (SvIOK(sv)) | |
2332 | goto oops_its_an_int; | |
2333 | if (SvNOK(sv)) | |
2334 | sv_setnv(TARG, -SvNV(sv)); | |
2335 | else { | |
2336 | sv_setpvn(TARG, "-", 1); | |
2337 | sv_catsv(TARG, sv); | |
2338 | } | |
834a4ddd | 2339 | } |
28e5dec8 | 2340 | else { |
8eb28a70 JH |
2341 | SvIV_please(sv); |
2342 | if (SvIOK(sv)) | |
2343 | goto oops_its_an_int; | |
2344 | sv_setnv(TARG, -SvNV(sv)); | |
28e5dec8 | 2345 | } |
a0d0e21e | 2346 | SETTARG; |
79072805 | 2347 | } |
4633a7c4 LW |
2348 | else |
2349 | SETn(-SvNV(sv)); | |
79072805 | 2350 | } |
a0d0e21e | 2351 | RETURN; |
79072805 LW |
2352 | } |
2353 | ||
a0d0e21e | 2354 | PP(pp_not) |
79072805 | 2355 | { |
39644a26 | 2356 | dSP; tryAMAGICunSET(not); |
3280af22 | 2357 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 2358 | return NORMAL; |
79072805 LW |
2359 | } |
2360 | ||
a0d0e21e | 2361 | PP(pp_complement) |
79072805 | 2362 | { |
39644a26 | 2363 | dSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
2364 | { |
2365 | dTOPss; | |
5b295bef | 2366 | SvGETMAGIC(sv); |
4633a7c4 | 2367 | if (SvNIOKp(sv)) { |
d0ba1bd2 | 2368 | if (PL_op->op_private & HINT_INTEGER) { |
1b6737cc | 2369 | const IV i = ~SvIV_nomg(sv); |
972b05a9 | 2370 | SETi(i); |
d0ba1bd2 JH |
2371 | } |
2372 | else { | |
1b6737cc | 2373 | const UV u = ~SvUV_nomg(sv); |
972b05a9 | 2374 | SETu(u); |
d0ba1bd2 | 2375 | } |
a0d0e21e LW |
2376 | } |
2377 | else { | |
51723571 | 2378 | register U8 *tmps; |
55497cff | 2379 | register I32 anum; |
a0d0e21e LW |
2380 | STRLEN len; |
2381 | ||
10516c54 | 2382 | (void)SvPV_nomg_const(sv,len); /* force check for uninit var */ |
891f9566 | 2383 | sv_setsv_nomg(TARG, sv); |
51723571 | 2384 | tmps = (U8*)SvPV_force(TARG, len); |
a0d0e21e | 2385 | anum = len; |
1d68d6cd | 2386 | if (SvUTF8(TARG)) { |
a1ca4561 | 2387 | /* Calculate exact length, let's not estimate. */ |
1d68d6cd SC |
2388 | STRLEN targlen = 0; |
2389 | U8 *result; | |
51723571 | 2390 | U8 *send; |
ba210ebe | 2391 | STRLEN l; |
a1ca4561 YST |
2392 | UV nchar = 0; |
2393 | UV nwide = 0; | |
1d68d6cd SC |
2394 | |
2395 | send = tmps + len; | |
2396 | while (tmps < send) { | |
1b6737cc | 2397 | const UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
1d68d6cd | 2398 | tmps += UTF8SKIP(tmps); |
5bbb0b5a | 2399 | targlen += UNISKIP(~c); |
a1ca4561 YST |
2400 | nchar++; |
2401 | if (c > 0xff) | |
2402 | nwide++; | |
1d68d6cd SC |
2403 | } |
2404 | ||
2405 | /* Now rewind strings and write them. */ | |
2406 | tmps -= len; | |
a1ca4561 YST |
2407 | |
2408 | if (nwide) { | |
a02a5408 | 2409 | Newxz(result, targlen + 1, U8); |
a1ca4561 | 2410 | while (tmps < send) { |
1b6737cc | 2411 | const UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
a1ca4561 | 2412 | tmps += UTF8SKIP(tmps); |
b851fbc1 | 2413 | result = uvchr_to_utf8_flags(result, ~c, UNICODE_ALLOW_ANY); |
a1ca4561 YST |
2414 | } |
2415 | *result = '\0'; | |
2416 | result -= targlen; | |
2417 | sv_setpvn(TARG, (char*)result, targlen); | |
2418 | SvUTF8_on(TARG); | |
2419 | } | |
2420 | else { | |
a02a5408 | 2421 | Newxz(result, nchar + 1, U8); |
a1ca4561 | 2422 | while (tmps < send) { |
1b6737cc | 2423 | const U8 c = (U8)utf8n_to_uvchr(tmps, 0, &l, UTF8_ALLOW_ANY); |
a1ca4561 YST |
2424 | tmps += UTF8SKIP(tmps); |
2425 | *result++ = ~c; | |
2426 | } | |
2427 | *result = '\0'; | |
2428 | result -= nchar; | |
2429 | sv_setpvn(TARG, (char*)result, nchar); | |
d0a21e00 | 2430 | SvUTF8_off(TARG); |
1d68d6cd | 2431 | } |
1d68d6cd SC |
2432 | Safefree(result); |
2433 | SETs(TARG); | |
2434 | RETURN; | |
2435 | } | |
a0d0e21e | 2436 | #ifdef LIBERAL |
51723571 JH |
2437 | { |
2438 | register long *tmpl; | |
2439 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
2440 | *tmps = ~*tmps; | |
2441 | tmpl = (long*)tmps; | |
2442 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
2443 | *tmpl = ~*tmpl; | |
2444 | tmps = (U8*)tmpl; | |
2445 | } | |
a0d0e21e LW |
2446 | #endif |
2447 | for ( ; anum > 0; anum--, tmps++) | |
2448 | *tmps = ~*tmps; | |
2449 | ||
2450 | SETs(TARG); | |
2451 | } | |
2452 | RETURN; | |
2453 | } | |
79072805 LW |
2454 | } |
2455 | ||
a0d0e21e LW |
2456 | /* integer versions of some of the above */ |
2457 | ||
a0d0e21e | 2458 | PP(pp_i_multiply) |
79072805 | 2459 | { |
39644a26 | 2460 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
2461 | { |
2462 | dPOPTOPiirl; | |
2463 | SETi( left * right ); | |
2464 | RETURN; | |
2465 | } | |
79072805 LW |
2466 | } |
2467 | ||
a0d0e21e | 2468 | PP(pp_i_divide) |
79072805 | 2469 | { |
39644a26 | 2470 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
2471 | { |
2472 | dPOPiv; | |
2473 | if (value == 0) | |
cea2e8a9 | 2474 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
2475 | value = POPi / value; |
2476 | PUSHi( value ); | |
2477 | RETURN; | |
2478 | } | |
79072805 LW |
2479 | } |
2480 | ||
224ec323 JH |
2481 | STATIC |
2482 | PP(pp_i_modulo_0) | |
2483 | { | |
2484 | /* This is the vanilla old i_modulo. */ | |
27da23d5 | 2485 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
224ec323 JH |
2486 | { |
2487 | dPOPTOPiirl; | |
2488 | if (!right) | |
2489 | DIE(aTHX_ "Illegal modulus zero"); | |
2490 | SETi( left % right ); | |
2491 | RETURN; | |
2492 | } | |
2493 | } | |
2494 | ||
11010fa3 | 2495 | #if defined(__GLIBC__) && IVSIZE == 8 |
224ec323 JH |
2496 | STATIC |
2497 | PP(pp_i_modulo_1) | |
2498 | { | |
224ec323 | 2499 | /* This is the i_modulo with the workaround for the _moddi3 bug |
fce2b89e | 2500 | * in (at least) glibc 2.2.5 (the PERL_ABS() the workaround). |
224ec323 | 2501 | * See below for pp_i_modulo. */ |
27da23d5 | 2502 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
224ec323 JH |
2503 | { |
2504 | dPOPTOPiirl; | |
2505 | if (!right) | |
2506 | DIE(aTHX_ "Illegal modulus zero"); | |
32fdb065 | 2507 | SETi( left % PERL_ABS(right) ); |
224ec323 JH |
2508 | RETURN; |
2509 | } | |
224ec323 | 2510 | } |
fce2b89e | 2511 | #endif |
224ec323 | 2512 | |
a0d0e21e | 2513 | PP(pp_i_modulo) |
79072805 | 2514 | { |
27da23d5 | 2515 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
224ec323 JH |
2516 | { |
2517 | dPOPTOPiirl; | |
2518 | if (!right) | |
2519 | DIE(aTHX_ "Illegal modulus zero"); | |
2520 | /* The assumption is to use hereafter the old vanilla version... */ | |
2521 | PL_op->op_ppaddr = | |
2522 | PL_ppaddr[OP_I_MODULO] = | |
1c127fab | 2523 | Perl_pp_i_modulo_0; |
224ec323 JH |
2524 | /* .. but if we have glibc, we might have a buggy _moddi3 |
2525 | * (at least glicb 2.2.5 is known to have this bug), in other | |
2526 | * words our integer modulus with negative quad as the second | |
2527 | * argument might be broken. Test for this and re-patch the | |
2528 | * opcode dispatch table if that is the case, remembering to | |
2529 | * also apply the workaround so that this first round works | |
2530 | * right, too. See [perl #9402] for more information. */ | |
2531 | #if defined(__GLIBC__) && IVSIZE == 8 | |
2532 | { | |
2533 | IV l = 3; | |
2534 | IV r = -10; | |
2535 | /* Cannot do this check with inlined IV constants since | |
2536 | * that seems to work correctly even with the buggy glibc. */ | |
2537 | if (l % r == -3) { | |
2538 | /* Yikes, we have the bug. | |
2539 | * Patch in the workaround version. */ | |
2540 | PL_op->op_ppaddr = | |
2541 | PL_ppaddr[OP_I_MODULO] = | |
2542 | &Perl_pp_i_modulo_1; | |
2543 | /* Make certain we work right this time, too. */ | |
32fdb065 | 2544 | right = PERL_ABS(right); |
224ec323 JH |
2545 | } |
2546 | } | |
2547 | #endif | |
2548 | SETi( left % right ); | |
2549 | RETURN; | |
2550 | } | |
79072805 LW |
2551 | } |
2552 | ||
a0d0e21e | 2553 | PP(pp_i_add) |
79072805 | 2554 | { |
39644a26 | 2555 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e | 2556 | { |
5e66d4f1 | 2557 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2558 | SETi( left + right ); |
2559 | RETURN; | |
79072805 | 2560 | } |
79072805 LW |
2561 | } |
2562 | ||
a0d0e21e | 2563 | PP(pp_i_subtract) |
79072805 | 2564 | { |
39644a26 | 2565 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 2566 | { |
5e66d4f1 | 2567 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2568 | SETi( left - right ); |
2569 | RETURN; | |
79072805 | 2570 | } |
79072805 LW |
2571 | } |
2572 | ||
a0d0e21e | 2573 | PP(pp_i_lt) |
79072805 | 2574 | { |
39644a26 | 2575 | dSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
2576 | { |
2577 | dPOPTOPiirl; | |
54310121 | 2578 | SETs(boolSV(left < right)); |
a0d0e21e LW |
2579 | RETURN; |
2580 | } | |
79072805 LW |
2581 | } |
2582 | ||
a0d0e21e | 2583 | PP(pp_i_gt) |
79072805 | 2584 | { |
39644a26 | 2585 | dSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
2586 | { |
2587 | dPOPTOPiirl; | |
54310121 | 2588 | SETs(boolSV(left > right)); |
a0d0e21e LW |
2589 | RETURN; |
2590 | } | |
79072805 LW |
2591 | } |
2592 | ||
a0d0e21e | 2593 | PP(pp_i_le) |
79072805 | 2594 | { |
39644a26 | 2595 | dSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
2596 | { |
2597 | dPOPTOPiirl; | |
54310121 | 2598 | SETs(boolSV(left <= right)); |
a0d0e21e | 2599 | RETURN; |
85e6fe83 | 2600 | } |
79072805 LW |
2601 | } |
2602 | ||
a0d0e21e | 2603 | PP(pp_i_ge) |
79072805 | 2604 | { |
39644a26 | 2605 | dSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
2606 | { |
2607 | dPOPTOPiirl; | |
54310121 | 2608 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
2609 | RETURN; |
2610 | } | |
79072805 LW |
2611 | } |
2612 | ||
a0d0e21e | 2613 | PP(pp_i_eq) |
79072805 | 2614 | { |
39644a26 | 2615 | dSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
2616 | { |
2617 | dPOPTOPiirl; | |
54310121 | 2618 | SETs(boolSV(left == right)); |
a0d0e21e LW |
2619 | RETURN; |
2620 | } | |
79072805 LW |
2621 | } |
2622 | ||
a0d0e21e | 2623 | PP(pp_i_ne) |
79072805 | 2624 | { |
39644a26 | 2625 | dSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
2626 | { |
2627 | dPOPTOPiirl; | |
54310121 | 2628 | SETs(boolSV(left != right)); |
a0d0e21e LW |
2629 | RETURN; |
2630 | } | |
79072805 LW |
2631 | } |
2632 | ||
a0d0e21e | 2633 | PP(pp_i_ncmp) |
79072805 | 2634 | { |
39644a26 | 2635 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
2636 | { |
2637 | dPOPTOPiirl; | |
2638 | I32 value; | |
79072805 | 2639 | |
a0d0e21e | 2640 | if (left > right) |
79072805 | 2641 | value = 1; |
a0d0e21e | 2642 | else if (left < right) |
79072805 | 2643 | value = -1; |
a0d0e21e | 2644 | else |
79072805 | 2645 | value = 0; |
a0d0e21e LW |
2646 | SETi(value); |
2647 | RETURN; | |
79072805 | 2648 | } |
85e6fe83 LW |
2649 | } |
2650 | ||
2651 | PP(pp_i_negate) | |
2652 | { | |
39644a26 | 2653 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
2654 | SETi(-TOPi); |
2655 | RETURN; | |
2656 | } | |
2657 | ||
79072805 LW |
2658 | /* High falutin' math. */ |
2659 | ||
2660 | PP(pp_atan2) | |
2661 | { | |
39644a26 | 2662 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
2663 | { |
2664 | dPOPTOPnnrl; | |
65202027 | 2665 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
2666 | RETURN; |
2667 | } | |
79072805 LW |
2668 | } |
2669 | ||
2670 | PP(pp_sin) | |
2671 | { | |
39644a26 | 2672 | dSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 2673 | { |
1b6737cc AL |
2674 | const NV value = POPn; |
2675 | XPUSHn(Perl_sin(value)); | |
a0d0e21e LW |
2676 | RETURN; |
2677 | } | |
79072805 LW |
2678 | } |
2679 | ||
2680 | PP(pp_cos) | |
2681 | { | |
39644a26 | 2682 | dSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 2683 | { |
1b6737cc AL |
2684 | const NV value = POPn; |
2685 | XPUSHn(Perl_cos(value)); | |
a0d0e21e LW |
2686 | RETURN; |
2687 | } | |
79072805 LW |
2688 | } |
2689 | ||
56cb0a1c AD |
2690 | /* Support Configure command-line overrides for rand() functions. |
2691 | After 5.005, perhaps we should replace this by Configure support | |
2692 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
2693 | compatibility by calling rand() but allow the user to override it. | |
2694 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
2695 | */ | |
85ab1d1d JH |
2696 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
2697 | in addition to rand(). So the overrides should not be needed any more. | |
2698 | --Jarkko Hietaniemi 27 September 1998 | |
2699 | */ | |
2700 | ||
2701 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 2702 | extern double drand48 (void); |
56cb0a1c AD |
2703 | #endif |
2704 | ||
79072805 LW |
2705 | PP(pp_rand) |
2706 | { | |
39644a26 | 2707 | dSP; dTARGET; |
65202027 | 2708 | NV value; |
79072805 LW |
2709 | if (MAXARG < 1) |
2710 | value = 1.0; | |
2711 | else | |
2712 | value = POPn; | |
2713 | if (value == 0.0) | |
2714 | value = 1.0; | |
80252599 | 2715 | if (!PL_srand_called) { |
85ab1d1d | 2716 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 2717 | PL_srand_called = TRUE; |
93dc8474 | 2718 | } |
85ab1d1d | 2719 | value *= Drand01(); |
79072805 LW |
2720 | XPUSHn(value); |
2721 | RETURN; | |
2722 | } | |
2723 | ||
2724 | PP(pp_srand) | |
2725 | { | |
39644a26 | 2726 | dSP; |
93dc8474 CS |
2727 | UV anum; |
2728 | if (MAXARG < 1) | |
2729 | anum = seed(); | |
79072805 | 2730 | else |
93dc8474 | 2731 | anum = POPu; |
85ab1d1d | 2732 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 2733 | PL_srand_called = TRUE; |
79072805 LW |
2734 | EXTEND(SP, 1); |
2735 | RETPUSHYES; | |
2736 | } | |
2737 | ||
2738 | PP(pp_exp) | |
2739 | { | |
39644a26 | 2740 | dSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 2741 | { |
65202027 | 2742 | NV value; |
a0d0e21e | 2743 | value = POPn; |
65202027 | 2744 | value = Perl_exp(value); |
a0d0e21e LW |
2745 | XPUSHn(value); |
2746 | RETURN; | |
2747 | } | |
79072805 LW |
2748 | } |
2749 | ||
2750 | PP(pp_log) | |
2751 | { | |
39644a26 | 2752 | dSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 2753 | { |
1b6737cc | 2754 | const NV value = POPn; |
bbce6d69 | 2755 | if (value <= 0.0) { |
f93f4e46 | 2756 | SET_NUMERIC_STANDARD(); |
1779d84d | 2757 | DIE(aTHX_ "Can't take log of %"NVgf, value); |
bbce6d69 | 2758 | } |
1b6737cc | 2759 | XPUSHn(Perl_log(value)); |
a0d0e21e LW |
2760 | RETURN; |
2761 | } | |
79072805 LW |
2762 | } |
2763 | ||
2764 | PP(pp_sqrt) | |
2765 | { | |
39644a26 | 2766 | dSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 2767 | { |
1b6737cc | 2768 | const NV value = POPn; |
bbce6d69 | 2769 | if (value < 0.0) { |
f93f4e46 | 2770 | SET_NUMERIC_STANDARD(); |
1779d84d | 2771 | DIE(aTHX_ "Can't take sqrt of %"NVgf, value); |
bbce6d69 | 2772 | } |
1b6737cc | 2773 | XPUSHn(Perl_sqrt(value)); |
a0d0e21e LW |
2774 | RETURN; |
2775 | } | |
79072805 LW |
2776 | } |
2777 | ||
2778 | PP(pp_int) | |
2779 | { | |
39644a26 | 2780 | dSP; dTARGET; tryAMAGICun(int); |
774d564b | 2781 | { |
1b6737cc | 2782 | const IV iv = TOPi; /* attempt to convert to IV if possible. */ |
28e5dec8 JH |
2783 | /* XXX it's arguable that compiler casting to IV might be subtly |
2784 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
2785 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
2786 | relying on floating point to be accurate is a bug. */ | |
2787 | ||
922c4365 MHM |
2788 | if (!SvOK(TOPs)) |
2789 | SETu(0); | |
2790 | else if (SvIOK(TOPs)) { | |
28e5dec8 | 2791 | if (SvIsUV(TOPs)) { |
1b6737cc | 2792 | const UV uv = TOPu; |
28e5dec8 JH |
2793 | SETu(uv); |
2794 | } else | |
2795 | SETi(iv); | |
2796 | } else { | |
1b6737cc | 2797 | const NV value = TOPn; |
1048ea30 | 2798 | if (value >= 0.0) { |
28e5dec8 JH |
2799 | if (value < (NV)UV_MAX + 0.5) { |
2800 | SETu(U_V(value)); | |
2801 | } else { | |
059a1014 | 2802 | SETn(Perl_floor(value)); |
28e5dec8 | 2803 | } |
1048ea30 | 2804 | } |
28e5dec8 JH |
2805 | else { |
2806 | if (value > (NV)IV_MIN - 0.5) { | |
2807 | SETi(I_V(value)); | |
2808 | } else { | |
1bbae031 | 2809 | SETn(Perl_ceil(value)); |
28e5dec8 JH |
2810 | } |
2811 | } | |
774d564b | 2812 | } |
79072805 | 2813 | } |
79072805 LW |
2814 | RETURN; |
2815 | } | |
2816 | ||
463ee0b2 LW |
2817 | PP(pp_abs) |
2818 | { | |
39644a26 | 2819 | dSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 2820 | { |
28e5dec8 | 2821 | /* This will cache the NV value if string isn't actually integer */ |
1b6737cc | 2822 | const IV iv = TOPi; |
a227d84d | 2823 | |
922c4365 MHM |
2824 | if (!SvOK(TOPs)) |
2825 | SETu(0); | |
2826 | else if (SvIOK(TOPs)) { | |
28e5dec8 JH |
2827 | /* IVX is precise */ |
2828 | if (SvIsUV(TOPs)) { | |
2829 | SETu(TOPu); /* force it to be numeric only */ | |
2830 | } else { | |
2831 | if (iv >= 0) { | |
2832 | SETi(iv); | |
2833 | } else { | |
2834 | if (iv != IV_MIN) { | |
2835 | SETi(-iv); | |
2836 | } else { | |
2837 | /* 2s complement assumption. Also, not really needed as | |
2838 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
2839 | SETu(IV_MIN); | |
2840 | } | |
a227d84d | 2841 | } |
28e5dec8 JH |
2842 | } |
2843 | } else{ | |
1b6737cc | 2844 | const NV value = TOPn; |
774d564b | 2845 | if (value < 0.0) |
1b6737cc | 2846 | SETn(-value); |
a4474c9e DD |
2847 | else |
2848 | SETn(value); | |
774d564b | 2849 | } |
a0d0e21e | 2850 | } |
774d564b | 2851 | RETURN; |
463ee0b2 LW |
2852 | } |
2853 | ||
53305cf1 | 2854 | |
79072805 LW |
2855 | PP(pp_hex) |
2856 | { | |
39644a26 | 2857 | dSP; dTARGET; |
5c144d81 | 2858 | const char *tmps; |
53305cf1 | 2859 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
6f894ead | 2860 | STRLEN len; |
53305cf1 NC |
2861 | NV result_nv; |
2862 | UV result_uv; | |
1b6737cc | 2863 | SV* const sv = POPs; |
79072805 | 2864 | |
349d4f2f | 2865 | tmps = (SvPV_const(sv, len)); |
2bc69dc4 NIS |
2866 | if (DO_UTF8(sv)) { |
2867 | /* If Unicode, try to downgrade | |
2868 | * If not possible, croak. */ | |
1b6737cc | 2869 | SV* const tsv = sv_2mortal(newSVsv(sv)); |
2bc69dc4 NIS |
2870 | |
2871 | SvUTF8_on(tsv); | |
2872 | sv_utf8_downgrade(tsv, FALSE); | |
349d4f2f | 2873 | tmps = SvPV_const(tsv, len); |
2bc69dc4 | 2874 | } |
53305cf1 NC |
2875 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
2876 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
2877 | XPUSHn(result_nv); | |
2878 | } | |
2879 | else { | |
2880 | XPUSHu(result_uv); | |
2881 | } | |
79072805 LW |
2882 | RETURN; |
2883 | } | |
2884 | ||
2885 | PP(pp_oct) | |
2886 | { | |
39644a26 | 2887 | dSP; dTARGET; |
5c144d81 | 2888 | const char *tmps; |
53305cf1 | 2889 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
6f894ead | 2890 | STRLEN len; |
53305cf1 NC |
2891 | NV result_nv; |
2892 | UV result_uv; | |
1b6737cc | 2893 | SV* const sv = POPs; |
79072805 | 2894 | |
349d4f2f | 2895 | tmps = (SvPV_const(sv, len)); |
2bc69dc4 NIS |
2896 | if (DO_UTF8(sv)) { |
2897 | /* If Unicode, try to downgrade | |
2898 | * If not possible, croak. */ | |
1b6737cc | 2899 | SV* const tsv = sv_2mortal(newSVsv(sv)); |
2bc69dc4 NIS |
2900 | |
2901 | SvUTF8_on(tsv); | |
2902 | sv_utf8_downgrade(tsv, FALSE); | |
349d4f2f | 2903 | tmps = SvPV_const(tsv, len); |
2bc69dc4 | 2904 | } |
6f894ead | 2905 | while (*tmps && len && isSPACE(*tmps)) |
53305cf1 | 2906 | tmps++, len--; |
9e24b6e2 | 2907 | if (*tmps == '0') |
53305cf1 | 2908 | tmps++, len--; |
9e24b6e2 | 2909 | if (*tmps == 'x') |
53305cf1 | 2910 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
9e24b6e2 | 2911 | else if (*tmps == 'b') |
53305cf1 | 2912 | result_uv = grok_bin (tmps, &len, &flags, &result_nv); |
464e2e8a | 2913 | else |
53305cf1 NC |
2914 | result_uv = grok_oct (tmps, &len, &flags, &result_nv); |
2915 | ||
2916 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
2917 | XPUSHn(result_nv); | |
2918 | } | |
2919 | else { | |
2920 | XPUSHu(result_uv); | |
2921 | } | |
79072805 LW |
2922 | RETURN; |
2923 | } | |
2924 | ||
2925 | /* String stuff. */ | |
2926 | ||
2927 | PP(pp_length) | |
2928 | { | |
39644a26 | 2929 | dSP; dTARGET; |
7e2040f0 | 2930 | SV *sv = TOPs; |
a0ed51b3 | 2931 | |
7e2040f0 GS |
2932 | if (DO_UTF8(sv)) |
2933 | SETi(sv_len_utf8(sv)); | |
2934 | else | |
2935 | SETi(sv_len(sv)); | |
79072805 LW |
2936 | RETURN; |
2937 | } | |
2938 | ||
2939 | PP(pp_substr) | |
2940 | { | |
39644a26 | 2941 | dSP; dTARGET; |
79072805 | 2942 | SV *sv; |
9c5ffd7c | 2943 | I32 len = 0; |
463ee0b2 | 2944 | STRLEN curlen; |
9402d6ed | 2945 | STRLEN utf8_curlen; |
79072805 LW |
2946 | I32 pos; |
2947 | I32 rem; | |
84902520 | 2948 | I32 fail; |
e1ec3a88 AL |
2949 | const I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
2950 | const char *tmps; | |
2951 | const I32 arybase = PL_curcop->cop_arybase; | |
9402d6ed | 2952 | SV *repl_sv = NULL; |
e1ec3a88 | 2953 | const char *repl = 0; |
7b8d334a | 2954 | STRLEN repl_len; |
1b6737cc | 2955 | const int num_args = PL_op->op_private & 7; |
13e30c65 | 2956 | bool repl_need_utf8_upgrade = FALSE; |
9402d6ed | 2957 | bool repl_is_utf8 = FALSE; |
79072805 | 2958 | |
20408e3c | 2959 | SvTAINTED_off(TARG); /* decontaminate */ |
7e2040f0 | 2960 | SvUTF8_off(TARG); /* decontaminate */ |
78f9721b SM |
2961 | if (num_args > 2) { |
2962 | if (num_args > 3) { | |
9402d6ed | 2963 | repl_sv = POPs; |
83003860 | 2964 | repl = SvPV_const(repl_sv, repl_len); |
9402d6ed | 2965 | repl_is_utf8 = DO_UTF8(repl_sv) && SvCUR(repl_sv); |
7b8d334a | 2966 | } |
79072805 | 2967 | len = POPi; |
5d82c453 | 2968 | } |
84902520 | 2969 | pos = POPi; |
79072805 | 2970 | sv = POPs; |
849ca7ee | 2971 | PUTBACK; |
9402d6ed JH |
2972 | if (repl_sv) { |
2973 | if (repl_is_utf8) { | |
2974 | if (!DO_UTF8(sv)) | |
2975 | sv_utf8_upgrade(sv); | |
2976 | } | |
13e30c65 JH |
2977 | else if (DO_UTF8(sv)) |
2978 | repl_need_utf8_upgrade = TRUE; | |
9402d6ed | 2979 | } |
5c144d81 | 2980 | tmps = SvPV_const(sv, curlen); |
7e2040f0 | 2981 | if (DO_UTF8(sv)) { |
9402d6ed JH |
2982 | utf8_curlen = sv_len_utf8(sv); |
2983 | if (utf8_curlen == curlen) | |
2984 | utf8_curlen = 0; | |
a0ed51b3 | 2985 | else |
9402d6ed | 2986 | curlen = utf8_curlen; |
a0ed51b3 | 2987 | } |
d1c2b58a | 2988 | else |
9402d6ed | 2989 | utf8_curlen = 0; |
a0ed51b3 | 2990 | |
84902520 TB |
2991 | if (pos >= arybase) { |
2992 | pos -= arybase; | |
2993 | rem = curlen-pos; | |
2994 | fail = rem; | |
78f9721b | 2995 | if (num_args > 2) { |
5d82c453 GA |
2996 | if (len < 0) { |
2997 | rem += len; | |
2998 | if (rem < 0) | |
2999 | rem = 0; | |
3000 | } | |
3001 | else if (rem > len) | |
3002 | rem = len; | |
3003 | } | |
68dc0745 | 3004 | } |
84902520 | 3005 | else { |
5d82c453 | 3006 | pos += curlen; |
78f9721b | 3007 | if (num_args < 3) |
5d82c453 GA |
3008 | rem = curlen; |
3009 | else if (len >= 0) { | |
3010 | rem = pos+len; | |
3011 | if (rem > (I32)curlen) | |
3012 | rem = curlen; | |
3013 | } | |
3014 | else { | |
3015 | rem = curlen+len; | |
3016 | if (rem < pos) | |
3017 | rem = pos; | |
3018 | } | |
3019 | if (pos < 0) | |
3020 | pos = 0; | |
3021 | fail = rem; | |
3022 | rem -= pos; | |
84902520 TB |
3023 | } |
3024 | if (fail < 0) { | |
e476b1b5 GS |
3025 | if (lvalue || repl) |
3026 | Perl_croak(aTHX_ "substr outside of string"); | |
3027 | if (ckWARN(WARN_SUBSTR)) | |
9014280d | 3028 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), "substr outside of string"); |
2304df62 AD |
3029 | RETPUSHUNDEF; |
3030 | } | |
79072805 | 3031 | else { |
1b6737cc AL |
3032 | const I32 upos = pos; |
3033 | const I32 urem = rem; | |
9402d6ed | 3034 | if (utf8_curlen) |
a0ed51b3 | 3035 | sv_pos_u2b(sv, &pos, &rem); |
79072805 | 3036 | tmps += pos; |
781e7547 DM |
3037 | /* we either return a PV or an LV. If the TARG hasn't been used |
3038 | * before, or is of that type, reuse it; otherwise use a mortal | |
3039 | * instead. Note that LVs can have an extended lifetime, so also | |
3040 | * dont reuse if refcount > 1 (bug #20933) */ | |
3041 | if (SvTYPE(TARG) > SVt_NULL) { | |
3042 | if ( (SvTYPE(TARG) == SVt_PVLV) | |
3043 | ? (!lvalue || SvREFCNT(TARG) > 1) | |
3044 | : lvalue) | |
3045 | { | |
3046 | TARG = sv_newmortal(); | |
3047 | } | |
3048 | } | |
3049 | ||
79072805 | 3050 | sv_setpvn(TARG, tmps, rem); |
12aa1545 | 3051 | #ifdef USE_LOCALE_COLLATE |
14befaf4 | 3052 | sv_unmagic(TARG, PERL_MAGIC_collxfrm); |
12aa1545 | 3053 | #endif |
9402d6ed | 3054 | if (utf8_curlen) |
7f66633b | 3055 | SvUTF8_on(TARG); |
f7928d6c | 3056 | if (repl) { |
13e30c65 JH |
3057 | SV* repl_sv_copy = NULL; |
3058 | ||
3059 | if (repl_need_utf8_upgrade) { | |
3060 | repl_sv_copy = newSVsv(repl_sv); | |
3061 | sv_utf8_upgrade(repl_sv_copy); | |
349d4f2f | 3062 | repl = SvPV_const(repl_sv_copy, repl_len); |
13e30c65 JH |
3063 | repl_is_utf8 = DO_UTF8(repl_sv_copy) && SvCUR(sv); |
3064 | } | |
c8faf1c5 | 3065 | sv_insert(sv, pos, rem, repl, repl_len); |
9402d6ed | 3066 | if (repl_is_utf8) |
f7928d6c | 3067 | SvUTF8_on(sv); |
9402d6ed JH |
3068 | if (repl_sv_copy) |
3069 | SvREFCNT_dec(repl_sv_copy); | |
f7928d6c | 3070 | } |
c8faf1c5 | 3071 | else if (lvalue) { /* it's an lvalue! */ |
dedeecda | 3072 | if (!SvGMAGICAL(sv)) { |
3073 | if (SvROK(sv)) { | |
13c5b33c | 3074 | SvPV_force_nolen(sv); |
599cee73 | 3075 | if (ckWARN(WARN_SUBSTR)) |
9014280d | 3076 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), |
599cee73 | 3077 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 3078 | } |
3079 | if (SvOK(sv)) /* is it defined ? */ | |
7f66633b | 3080 | (void)SvPOK_only_UTF8(sv); |
dedeecda | 3081 | else |
3082 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
3083 | } | |
5f05dabc | 3084 | |
a0d0e21e LW |
3085 | if (SvTYPE(TARG) < SVt_PVLV) { |
3086 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 3087 | sv_magic(TARG, Nullsv, PERL_MAGIC_substr, Nullch, 0); |
ed6116ce | 3088 | } |
6214ab63 | 3089 | else |
0c34ef67 | 3090 | SvOK_off(TARG); |
a0d0e21e | 3091 | |
5f05dabc | 3092 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
3093 | if (LvTARG(TARG) != sv) { |
3094 | if (LvTARG(TARG)) | |
3095 | SvREFCNT_dec(LvTARG(TARG)); | |
3096 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
3097 | } | |
9aa983d2 JH |
3098 | LvTARGOFF(TARG) = upos; |
3099 | LvTARGLEN(TARG) = urem; | |
79072805 LW |
3100 | } |
3101 | } | |
849ca7ee | 3102 | SPAGAIN; |
79072805 LW |
3103 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
3104 | RETURN; | |
3105 | } | |
3106 | ||
3107 | PP(pp_vec) | |
3108 | { | |
39644a26 | 3109 | dSP; dTARGET; |
1b6737cc AL |
3110 | register const IV size = POPi; |
3111 | register const IV offset = POPi; | |
3112 | register SV * const src = POPs; | |
3113 | const I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; | |
a0d0e21e | 3114 | |
81e118e0 JH |
3115 | SvTAINTED_off(TARG); /* decontaminate */ |
3116 | if (lvalue) { /* it's an lvalue! */ | |
24aef97f HS |
3117 | if (SvREFCNT(TARG) > 1) /* don't share the TARG (#20933) */ |
3118 | TARG = sv_newmortal(); | |
81e118e0 JH |
3119 | if (SvTYPE(TARG) < SVt_PVLV) { |
3120 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 3121 | sv_magic(TARG, Nullsv, PERL_MAGIC_vec, Nullch, 0); |
79072805 | 3122 | } |
81e118e0 JH |
3123 | LvTYPE(TARG) = 'v'; |
3124 | if (LvTARG(TARG) != src) { | |
3125 | if (LvTARG(TARG)) | |
3126 | SvREFCNT_dec(LvTARG(TARG)); | |
3127 | LvTARG(TARG) = SvREFCNT_inc(src); | |
79072805 | 3128 | } |
81e118e0 JH |
3129 | LvTARGOFF(TARG) = offset; |
3130 | LvTARGLEN(TARG) = size; | |
79072805 LW |
3131 | } |
3132 | ||
81e118e0 | 3133 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
3134 | PUSHs(TARG); |
3135 | RETURN; | |
3136 | } | |
3137 | ||
3138 | PP(pp_index) | |
3139 | { | |
39644a26 | 3140 | dSP; dTARGET; |
79072805 LW |
3141 | SV *big; |
3142 | SV *little; | |
e609e586 | 3143 | SV *temp = Nullsv; |
79072805 LW |
3144 | I32 offset; |
3145 | I32 retval; | |
10516c54 NC |
3146 | const char *tmps; |
3147 | const char *tmps2; | |
463ee0b2 | 3148 | STRLEN biglen; |
1b6737cc | 3149 | const I32 arybase = PL_curcop->cop_arybase; |
e609e586 NC |
3150 | int big_utf8; |
3151 | int little_utf8; | |
79072805 LW |
3152 | |
3153 | if (MAXARG < 3) | |
3154 | offset = 0; | |
3155 | else | |
3156 | offset = POPi - arybase; | |
3157 | little = POPs; | |
3158 | big = POPs; | |
e609e586 NC |
3159 | big_utf8 = DO_UTF8(big); |
3160 | little_utf8 = DO_UTF8(little); | |
3161 | if (big_utf8 ^ little_utf8) { | |
3162 | /* One needs to be upgraded. */ | |
1b6737cc | 3163 | SV * const bytes = little_utf8 ? big : little; |
e609e586 | 3164 | STRLEN len; |
1b6737cc | 3165 | const char * const p = SvPV_const(bytes, len); |
e609e586 NC |
3166 | |
3167 | temp = newSVpvn(p, len); | |
3168 | ||
3169 | if (PL_encoding) { | |
3170 | sv_recode_to_utf8(temp, PL_encoding); | |
3171 | } else { | |
3172 | sv_utf8_upgrade(temp); | |
3173 | } | |
3174 | if (little_utf8) { | |
3175 | big = temp; | |
3176 | big_utf8 = TRUE; | |
3177 | } else { | |
3178 | little = temp; | |
3179 | } | |
3180 | } | |
3181 | if (big_utf8 && offset > 0) | |
a0ed51b3 | 3182 | sv_pos_u2b(big, &offset, 0); |
10516c54 | 3183 | tmps = SvPV_const(big, biglen); |
79072805 LW |
3184 | if (offset < 0) |
3185 | offset = 0; | |
eb160463 | 3186 | else if (offset > (I32)biglen) |
93a17b20 | 3187 | offset = biglen; |
79072805 | 3188 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 3189 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 3190 | retval = -1; |
79072805 | 3191 | else |
a0ed51b3 | 3192 | retval = tmps2 - tmps; |
e609e586 | 3193 | if (retval > 0 && big_utf8) |
a0ed51b3 | 3194 | sv_pos_b2u(big, &retval); |
e609e586 NC |
3195 | if (temp) |
3196 | SvREFCNT_dec(temp); | |
a0ed51b3 | 3197 | PUSHi(retval + arybase); |
79072805 LW |
3198 | RETURN; |
3199 | } | |
3200 | ||
3201 | PP(pp_rindex) | |
3202 | { | |
39644a26 | 3203 | dSP; dTARGET; |
79072805 LW |
3204 | SV *big; |
3205 | SV *little; | |
e609e586 | 3206 | SV *temp = Nullsv; |
463ee0b2 LW |
3207 | STRLEN blen; |
3208 | STRLEN llen; | |
79072805 LW |
3209 | I32 offset; |
3210 | I32 retval; | |
10516c54 NC |
3211 | const char *tmps; |
3212 | const char *tmps2; | |
1b6737cc | 3213 | const I32 arybase = PL_curcop->cop_arybase; |
e609e586 NC |
3214 | int big_utf8; |
3215 | int little_utf8; | |
79072805 | 3216 | |
a0d0e21e | 3217 | if (MAXARG >= 3) |
a0ed51b3 | 3218 | offset = POPi; |
79072805 LW |
3219 | little = POPs; |
3220 | big = POPs; | |
e609e586 NC |
3221 | big_utf8 = DO_UTF8(big); |
3222 | little_utf8 = DO_UTF8(little); | |
3223 | if (big_utf8 ^ little_utf8) { | |
3224 | /* One needs to be upgraded. */ | |
1b6737cc | 3225 | SV * const bytes = little_utf8 ? big : little; |
e609e586 | 3226 | STRLEN len; |
83003860 | 3227 | const char *p = SvPV_const(bytes, len); |
e609e586 NC |
3228 | |
3229 | temp = newSVpvn(p, len); | |
3230 | ||
3231 | if (PL_encoding) { | |
3232 | sv_recode_to_utf8(temp, PL_encoding); | |
3233 | } else { | |
3234 | sv_utf8_upgrade(temp); | |
3235 | } | |
3236 | if (little_utf8) { | |
3237 | big = temp; | |
3238 | big_utf8 = TRUE; | |
3239 | } else { | |
3240 | little = temp; | |
3241 | } | |
3242 | } | |
10516c54 NC |
3243 | tmps2 = SvPV_const(little, llen); |
3244 | tmps = SvPV_const(big, blen); | |
e609e586 | 3245 | |
79072805 | 3246 | if (MAXARG < 3) |
463ee0b2 | 3247 | offset = blen; |
a0ed51b3 | 3248 | else { |
e609e586 | 3249 | if (offset > 0 && big_utf8) |
a0ed51b3 LW |
3250 | sv_pos_u2b(big, &offset, 0); |
3251 | offset = offset - arybase + llen; | |
3252 | } | |
79072805 LW |
3253 | if (offset < 0) |
3254 | offset = 0; | |
eb160463 | 3255 | else if (offset > (I32)blen) |
463ee0b2 | 3256 | offset = blen; |
79072805 | 3257 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 3258 | tmps2, tmps2 + llen))) |
a0ed51b3 | 3259 | retval = -1; |
79072805 | 3260 | else |
a0ed51b3 | 3261 | retval = tmps2 - tmps; |
e609e586 | 3262 | if (retval > 0 && big_utf8) |
a0ed51b3 | 3263 | sv_pos_b2u(big, &retval); |
e609e586 NC |
3264 | if (temp) |
3265 | SvREFCNT_dec(temp); | |
a0ed51b3 | 3266 | PUSHi(retval + arybase); |
79072805 LW |
3267 | RETURN; |
3268 | } | |
3269 | ||
3270 | PP(pp_sprintf) | |
3271 | { | |
39644a26 | 3272 | dSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 3273 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 3274 | TAINT_IF(SvTAINTED(TARG)); |
6ee35fb7 JH |
3275 | if (DO_UTF8(*(MARK+1))) |
3276 | SvUTF8_on(TARG); | |
79072805 LW |
3277 | SP = ORIGMARK; |
3278 | PUSHTARG; | |
3279 | RETURN; | |
3280 | } | |
3281 | ||
79072805 LW |
3282 | PP(pp_ord) |
3283 | { | |
39644a26 | 3284 | dSP; dTARGET; |
7df053ec | 3285 | SV *argsv = POPs; |
ba210ebe | 3286 | STRLEN len; |
349d4f2f | 3287 | const U8 *s = (U8*)SvPV_const(argsv, len); |
121910a4 JH |
3288 | SV *tmpsv; |
3289 | ||
799ef3cb | 3290 | if (PL_encoding && SvPOK(argsv) && !DO_UTF8(argsv)) { |
121910a4 | 3291 | tmpsv = sv_2mortal(newSVsv(argsv)); |
799ef3cb | 3292 | s = (U8*)sv_recode_to_utf8(tmpsv, PL_encoding); |
121910a4 JH |
3293 | argsv = tmpsv; |
3294 | } | |
79072805 | 3295 | |
872c91ae | 3296 | XPUSHu(DO_UTF8(argsv) ? |
89ebb4a3 | 3297 | utf8n_to_uvchr(s, UTF8_MAXBYTES, 0, UTF8_ALLOW_ANYUV) : |
872c91ae | 3298 | (*s & 0xff)); |
68795e93 | 3299 | |
79072805 LW |
3300 | RETURN; |
3301 | } | |
3302 | ||
463ee0b2 LW |
3303 | PP(pp_chr) |
3304 | { | |
39644a26 | 3305 | dSP; dTARGET; |
463ee0b2 | 3306 | char *tmps; |
8a064bd6 JH |
3307 | UV value; |
3308 | ||
3309 | if (((SvIOK_notUV(TOPs) && SvIV(TOPs) < 0) | |
3310 | || | |
3311 | (SvNOK(TOPs) && SvNV(TOPs) < 0.0))) { | |
3312 | if (IN_BYTES) { | |
3313 | value = POPu; /* chr(-1) eq chr(0xff), etc. */ | |
3314 | } else { | |
3315 | (void) POPs; /* Ignore the argument value. */ | |
3316 | value = UNICODE_REPLACEMENT; | |
3317 | } | |
3318 | } else { | |
3319 | value = POPu; | |
3320 | } | |
463ee0b2 | 3321 | |
862a34c6 | 3322 | SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 | 3323 | |
0064a8a9 | 3324 | if (value > 255 && !IN_BYTES) { |
eb160463 | 3325 | SvGROW(TARG, (STRLEN)UNISKIP(value)+1); |
62961d2e | 3326 | tmps = (char*)uvchr_to_utf8_flags((U8*)SvPVX(TARG), value, 0); |
349d4f2f | 3327 | SvCUR_set(TARG, tmps - SvPVX_const(TARG)); |
a0ed51b3 LW |
3328 | *tmps = '\0'; |
3329 | (void)SvPOK_only(TARG); | |
aa6ffa16 | 3330 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3331 | XPUSHs(TARG); |
3332 | RETURN; | |
3333 | } | |
3334 | ||
748a9306 | 3335 | SvGROW(TARG,2); |
463ee0b2 LW |
3336 | SvCUR_set(TARG, 1); |
3337 | tmps = SvPVX(TARG); | |
eb160463 | 3338 | *tmps++ = (char)value; |
748a9306 | 3339 | *tmps = '\0'; |
a0d0e21e | 3340 | (void)SvPOK_only(TARG); |
88632417 | 3341 | if (PL_encoding && !IN_BYTES) { |
799ef3cb | 3342 | sv_recode_to_utf8(TARG, PL_encoding); |
88632417 JH |
3343 | tmps = SvPVX(TARG); |
3344 | if (SvCUR(TARG) == 0 || !is_utf8_string((U8*)tmps, SvCUR(TARG)) || | |
3345 | memEQ(tmps, "\xef\xbf\xbd\0", 4)) { | |
d5a15ac2 JH |
3346 | SvGROW(TARG, 3); |
3347 | tmps = SvPVX(TARG); | |
88632417 JH |
3348 | SvCUR_set(TARG, 2); |
3349 | *tmps++ = (U8)UTF8_EIGHT_BIT_HI(value); | |
3350 | *tmps++ = (U8)UTF8_EIGHT_BIT_LO(value); | |
3351 | *tmps = '\0'; | |
3352 | SvUTF8_on(TARG); | |
3353 | } | |
3354 | } | |
463ee0b2 LW |
3355 | XPUSHs(TARG); |
3356 | RETURN; | |
3357 | } | |
3358 | ||
79072805 LW |
3359 | PP(pp_crypt) |
3360 | { | |
79072805 | 3361 | #ifdef HAS_CRYPT |
27da23d5 | 3362 | dSP; dTARGET; |
5f74f29c | 3363 | dPOPTOPssrl; |
85c16d83 | 3364 | STRLEN len; |
10516c54 | 3365 | const char *tmps = SvPV_const(left, len); |
2bc69dc4 | 3366 | |
85c16d83 | 3367 | if (DO_UTF8(left)) { |
2bc69dc4 | 3368 | /* If Unicode, try to downgrade. |
f2791508 JH |
3369 | * If not possible, croak. |
3370 | * Yes, we made this up. */ | |
1b6737cc | 3371 | SV* const tsv = sv_2mortal(newSVsv(left)); |
2bc69dc4 | 3372 | |
f2791508 | 3373 | SvUTF8_on(tsv); |
2bc69dc4 | 3374 | sv_utf8_downgrade(tsv, FALSE); |
349d4f2f | 3375 | tmps = SvPV_const(tsv, len); |
85c16d83 | 3376 | } |
05404ffe JH |
3377 | # ifdef USE_ITHREADS |
3378 | # ifdef HAS_CRYPT_R | |
3379 | if (!PL_reentrant_buffer->_crypt_struct_buffer) { | |
3380 | /* This should be threadsafe because in ithreads there is only | |
3381 | * one thread per interpreter. If this would not be true, | |
3382 | * we would need a mutex to protect this malloc. */ | |
3383 | PL_reentrant_buffer->_crypt_struct_buffer = | |
3384 | (struct crypt_data *)safemalloc(sizeof(struct crypt_data)); | |
3385 | #if defined(__GLIBC__) || defined(__EMX__) | |
3386 | if (PL_reentrant_buffer->_crypt_struct_buffer) { | |
3387 | PL_reentrant_buffer->_crypt_struct_buffer->initialized = 0; | |
3388 | /* work around glibc-2.2.5 bug */ | |
3389 | PL_reentrant_buffer->_crypt_struct_buffer->current_saltbits = 0; | |
3390 | } | |
05404ffe | 3391 | #endif |
6ab58e4d | 3392 | } |
05404ffe JH |
3393 | # endif /* HAS_CRYPT_R */ |
3394 | # endif /* USE_ITHREADS */ | |
5f74f29c | 3395 | # ifdef FCRYPT |
83003860 | 3396 | sv_setpv(TARG, fcrypt(tmps, SvPV_nolen_const(right))); |
5f74f29c | 3397 | # else |
83003860 | 3398 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV_nolen_const(right))); |
5f74f29c | 3399 | # endif |
4808266b JH |
3400 | SETs(TARG); |
3401 | RETURN; | |
79072805 | 3402 | #else |
b13b2135 | 3403 | DIE(aTHX_ |
79072805 LW |
3404 | "The crypt() function is unimplemented due to excessive paranoia."); |
3405 | #endif | |
79072805 LW |
3406 | } |
3407 | ||
3408 | PP(pp_ucfirst) | |
3409 | { | |
39644a26 | 3410 | dSP; |
79072805 | 3411 | SV *sv = TOPs; |
83003860 | 3412 | const U8 *s; |
a0ed51b3 LW |
3413 | STRLEN slen; |
3414 | ||
d104a74c | 3415 | SvGETMAGIC(sv); |
3a2263fe | 3416 | if (DO_UTF8(sv) && |
83003860 | 3417 | (s = (const U8*)SvPV_nomg_const(sv, slen)) && slen && |
3a2263fe | 3418 | UTF8_IS_START(*s)) { |
89ebb4a3 | 3419 | U8 tmpbuf[UTF8_MAXBYTES_CASE+1]; |
44bc797b JH |
3420 | STRLEN ulen; |
3421 | STRLEN tculen; | |
a0ed51b3 | 3422 | |
44bc797b | 3423 | utf8_to_uvchr(s, &ulen); |
44bc797b JH |
3424 | toTITLE_utf8(s, tmpbuf, &tculen); |
3425 | utf8_to_uvchr(tmpbuf, 0); | |
3426 | ||
3427 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { | |
a0ed51b3 | 3428 | dTARGET; |
3a2263fe RGS |
3429 | /* slen is the byte length of the whole SV. |
3430 | * ulen is the byte length of the original Unicode character | |
3431 | * stored as UTF-8 at s. | |
3432 | * tculen is the byte length of the freshly titlecased | |
3433 | * Unicode character stored as UTF-8 at tmpbuf. | |
3434 | * We first set the result to be the titlecased character, | |
3435 | * and then append the rest of the SV data. */ | |
44bc797b | 3436 | sv_setpvn(TARG, (char*)tmpbuf, tculen); |
3a2263fe RGS |
3437 | if (slen > ulen) |
3438 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3439 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3440 | SETs(TARG); |
3441 | } | |
3442 | else { | |
d104a74c | 3443 | s = (U8*)SvPV_force_nomg(sv, slen); |
44bc797b | 3444 | Copy(tmpbuf, s, tculen, U8); |
a0ed51b3 | 3445 | } |
a0ed51b3 | 3446 | } |
626727d5 | 3447 | else { |
83003860 | 3448 | U8 *s1; |
014822e4 | 3449 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3450 | dTARGET; |
7e2040f0 | 3451 | SvUTF8_off(TARG); /* decontaminate */ |
d104a74c | 3452 | sv_setsv_nomg(TARG, sv); |
31351b04 JS |
3453 | sv = TARG; |
3454 | SETs(sv); | |
3455 | } | |
83003860 NC |
3456 | s1 = (U8*)SvPV_force_nomg(sv, slen); |
3457 | if (*s1) { | |
2de3dbcc | 3458 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3459 | TAINT; |
3460 | SvTAINTED_on(sv); | |
83003860 | 3461 | *s1 = toUPPER_LC(*s1); |
31351b04 JS |
3462 | } |
3463 | else | |
83003860 | 3464 | *s1 = toUPPER(*s1); |
bbce6d69 | 3465 | } |
bbce6d69 | 3466 | } |
d104a74c | 3467 | SvSETMAGIC(sv); |
79072805 LW |
3468 | RETURN; |
3469 | } | |
3470 | ||
3471 | PP(pp_lcfirst) | |
3472 | { | |
39644a26 | 3473 | dSP; |
79072805 | 3474 | SV *sv = TOPs; |
83003860 | 3475 | const U8 *s; |
a0ed51b3 LW |
3476 | STRLEN slen; |
3477 | ||
d104a74c | 3478 | SvGETMAGIC(sv); |
3a2263fe | 3479 | if (DO_UTF8(sv) && |
83003860 | 3480 | (s = (const U8*)SvPV_nomg_const(sv, slen)) && slen && |
3a2263fe | 3481 | UTF8_IS_START(*s)) { |
ba210ebe | 3482 | STRLEN ulen; |
89ebb4a3 | 3483 | U8 tmpbuf[UTF8_MAXBYTES_CASE+1]; |
a0ed51b3 | 3484 | U8 *tend; |
9041c2e3 | 3485 | UV uv; |
a0ed51b3 | 3486 | |
44bc797b | 3487 | toLOWER_utf8(s, tmpbuf, &ulen); |
a2a2844f | 3488 | uv = utf8_to_uvchr(tmpbuf, 0); |
9041c2e3 | 3489 | tend = uvchr_to_utf8(tmpbuf, uv); |
a0ed51b3 | 3490 | |
eb160463 | 3491 | if (!SvPADTMP(sv) || (STRLEN)(tend - tmpbuf) != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 3492 | dTARGET; |
dfe13c55 | 3493 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
3a2263fe RGS |
3494 | if (slen > ulen) |
3495 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3496 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3497 | SETs(TARG); |
3498 | } | |
3499 | else { | |
d104a74c | 3500 | s = (U8*)SvPV_force_nomg(sv, slen); |
a0ed51b3 LW |
3501 | Copy(tmpbuf, s, ulen, U8); |
3502 | } | |
a0ed51b3 | 3503 | } |
626727d5 | 3504 | else { |
83003860 | 3505 | U8 *s1; |
014822e4 | 3506 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3507 | dTARGET; |
7e2040f0 | 3508 | SvUTF8_off(TARG); /* decontaminate */ |
d104a74c | 3509 | sv_setsv_nomg(TARG, sv); |
31351b04 JS |
3510 | sv = TARG; |
3511 | SETs(sv); | |
3512 | } | |
83003860 NC |
3513 | s1 = (U8*)SvPV_force_nomg(sv, slen); |
3514 | if (*s1) { | |
2de3dbcc | 3515 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3516 | TAINT; |
3517 | SvTAINTED_on(sv); | |
83003860 | 3518 | *s1 = toLOWER_LC(*s1); |
31351b04 JS |
3519 | } |
3520 | else | |
83003860 | 3521 | *s1 = toLOWER(*s1); |
bbce6d69 | 3522 | } |
bbce6d69 | 3523 | } |
d104a74c | 3524 | SvSETMAGIC(sv); |
79072805 LW |
3525 | RETURN; |
3526 | } | |
3527 | ||
3528 | PP(pp_uc) | |
3529 | { | |
39644a26 | 3530 | dSP; |
79072805 | 3531 | SV *sv = TOPs; |
463ee0b2 | 3532 | STRLEN len; |
79072805 | 3533 | |
d104a74c | 3534 | SvGETMAGIC(sv); |
7e2040f0 | 3535 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3536 | dTARGET; |
ba210ebe | 3537 | STRLEN ulen; |
a0ed51b3 | 3538 | register U8 *d; |
10516c54 NC |
3539 | const U8 *s; |
3540 | const U8 *send; | |
89ebb4a3 | 3541 | U8 tmpbuf[UTF8_MAXBYTES+1]; |
a0ed51b3 | 3542 | |
10516c54 | 3543 | s = (const U8*)SvPV_nomg_const(sv,len); |
a5a20234 | 3544 | if (!len) { |
7e2040f0 | 3545 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3546 | sv_setpvn(TARG, "", 0); |
3547 | SETs(TARG); | |
a0ed51b3 LW |
3548 | } |
3549 | else { | |
128c9517 JH |
3550 | STRLEN min = len + 1; |
3551 | ||
862a34c6 | 3552 | SvUPGRADE(TARG, SVt_PV); |
128c9517 | 3553 | SvGROW(TARG, min); |
31351b04 JS |
3554 | (void)SvPOK_only(TARG); |
3555 | d = (U8*)SvPVX(TARG); | |
3556 | send = s + len; | |
a2a2844f | 3557 | while (s < send) { |
89ebb4a3 JH |
3558 | STRLEN u = UTF8SKIP(s); |
3559 | ||
6fdb5f96 | 3560 | toUPPER_utf8(s, tmpbuf, &ulen); |
128c9517 JH |
3561 | if (ulen > u && (SvLEN(TARG) < (min += ulen - u))) { |
3562 | /* If the eventually required minimum size outgrows | |
3563 | * the available space, we need to grow. */ | |
349d4f2f | 3564 | UV o = d - (U8*)SvPVX_const(TARG); |
89ebb4a3 JH |
3565 | |
3566 | /* If someone uppercases one million U+03B0s we | |
3567 | * SvGROW() one million times. Or we could try | |
32c480af JH |
3568 | * guessing how much to allocate without allocating |
3569 | * too much. Such is life. */ | |
128c9517 | 3570 | SvGROW(TARG, min); |
89ebb4a3 JH |
3571 | d = (U8*)SvPVX(TARG) + o; |
3572 | } | |
a2a2844f JH |
3573 | Copy(tmpbuf, d, ulen, U8); |
3574 | d += ulen; | |
89ebb4a3 | 3575 | s += u; |
a0ed51b3 | 3576 | } |
31351b04 | 3577 | *d = '\0'; |
7e2040f0 | 3578 | SvUTF8_on(TARG); |
349d4f2f | 3579 | SvCUR_set(TARG, d - (U8*)SvPVX_const(TARG)); |
31351b04 | 3580 | SETs(TARG); |
a0ed51b3 | 3581 | } |
a0ed51b3 | 3582 | } |
626727d5 | 3583 | else { |
10516c54 | 3584 | U8 *s; |
014822e4 | 3585 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3586 | dTARGET; |
7e2040f0 | 3587 | SvUTF8_off(TARG); /* decontaminate */ |
d104a74c | 3588 | sv_setsv_nomg(TARG, sv); |
31351b04 JS |
3589 | sv = TARG; |
3590 | SETs(sv); | |
3591 | } | |
d104a74c | 3592 | s = (U8*)SvPV_force_nomg(sv, len); |
31351b04 | 3593 | if (len) { |
0d46e09a | 3594 | register const U8 *send = s + len; |
31351b04 | 3595 | |
2de3dbcc | 3596 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3597 | TAINT; |
3598 | SvTAINTED_on(sv); | |
3599 | for (; s < send; s++) | |
3600 | *s = toUPPER_LC(*s); | |
3601 | } | |
3602 | else { | |
3603 | for (; s < send; s++) | |
3604 | *s = toUPPER(*s); | |
3605 | } | |
bbce6d69 | 3606 | } |
79072805 | 3607 | } |
d104a74c | 3608 | SvSETMAGIC(sv); |
79072805 LW |
3609 | RETURN; |
3610 | } | |
3611 | ||
3612 | PP(pp_lc) | |
3613 | { | |
39644a26 | 3614 | dSP; |
79072805 | 3615 | SV *sv = TOPs; |
463ee0b2 | 3616 | STRLEN len; |
79072805 | 3617 | |
d104a74c | 3618 | SvGETMAGIC(sv); |
7e2040f0 | 3619 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3620 | dTARGET; |
10516c54 | 3621 | const U8 *s; |
ba210ebe | 3622 | STRLEN ulen; |
a0ed51b3 | 3623 | register U8 *d; |
10516c54 | 3624 | const U8 *send; |
89ebb4a3 | 3625 | U8 tmpbuf[UTF8_MAXBYTES_CASE+1]; |
a0ed51b3 | 3626 | |
10516c54 | 3627 | s = (const U8*)SvPV_nomg_const(sv,len); |
a5a20234 | 3628 | if (!len) { |
7e2040f0 | 3629 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3630 | sv_setpvn(TARG, "", 0); |
3631 | SETs(TARG); | |
a0ed51b3 LW |
3632 | } |
3633 | else { | |
128c9517 JH |
3634 | STRLEN min = len + 1; |
3635 | ||
862a34c6 | 3636 | SvUPGRADE(TARG, SVt_PV); |
128c9517 | 3637 | SvGROW(TARG, min); |
31351b04 JS |
3638 | (void)SvPOK_only(TARG); |
3639 | d = (U8*)SvPVX(TARG); | |
3640 | send = s + len; | |
a2a2844f | 3641 | while (s < send) { |
1b6737cc AL |
3642 | const STRLEN u = UTF8SKIP(s); |
3643 | const UV uv = toLOWER_utf8(s, tmpbuf, &ulen); | |
89ebb4a3 JH |
3644 | |
3645 | #define GREEK_CAPITAL_LETTER_SIGMA 0x03A3 /* Unicode U+03A3 */ | |
6fdb5f96 JH |
3646 | if (uv == GREEK_CAPITAL_LETTER_SIGMA) { |
3647 | /* | |
3648 | * Now if the sigma is NOT followed by | |
3649 | * /$ignorable_sequence$cased_letter/; | |
3650 | * and it IS preceded by | |
3651 | * /$cased_letter$ignorable_sequence/; | |
3652 | * where $ignorable_sequence is | |
3653 | * [\x{2010}\x{AD}\p{Mn}]* | |
3654 | * and $cased_letter is | |
3655 | * [\p{Ll}\p{Lo}\p{Lt}] | |
3656 | * then it should be mapped to 0x03C2, | |
3657 | * (GREEK SMALL LETTER FINAL SIGMA), | |
3658 | * instead of staying 0x03A3. | |
89ebb4a3 JH |
3659 | * "should be": in other words, |
3660 | * this is not implemented yet. | |
3661 | * See lib/unicore/SpecialCasing.txt. | |
6fdb5f96 JH |
3662 | */ |
3663 | } | |
128c9517 JH |
3664 | if (ulen > u && (SvLEN(TARG) < (min += ulen - u))) { |
3665 | /* If the eventually required minimum size outgrows | |
3666 | * the available space, we need to grow. */ | |
349d4f2f | 3667 | UV o = d - (U8*)SvPVX_const(TARG); |
89ebb4a3 JH |
3668 | |
3669 | /* If someone lowercases one million U+0130s we | |
3670 | * SvGROW() one million times. Or we could try | |
32c480af JH |
3671 | * guessing how much to allocate without allocating. |
3672 | * too much. Such is life. */ | |
128c9517 | 3673 | SvGROW(TARG, min); |
89ebb4a3 JH |
3674 | d = (U8*)SvPVX(TARG) + o; |
3675 | } | |
a2a2844f JH |
3676 | Copy(tmpbuf, d, ulen, U8); |
3677 | d += ulen; | |
89ebb4a3 | 3678 | s += u; |
a0ed51b3 | 3679 | } |
31351b04 | 3680 | *d = '\0'; |
7e2040f0 | 3681 | SvUTF8_on(TARG); |
349d4f2f | 3682 | SvCUR_set(TARG, d - (U8*)SvPVX_const(TARG)); |
31351b04 | 3683 | SETs(TARG); |
a0ed51b3 | 3684 | } |
79072805 | 3685 | } |
626727d5 | 3686 | else { |
10516c54 | 3687 | U8 *s; |
014822e4 | 3688 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3689 | dTARGET; |
7e2040f0 | 3690 | SvUTF8_off(TARG); /* decontaminate */ |
d104a74c | 3691 | sv_setsv_nomg(TARG, sv); |
31351b04 JS |
3692 | sv = TARG; |
3693 | SETs(sv); | |
a0ed51b3 | 3694 | } |
bbce6d69 | 3695 | |
d104a74c | 3696 | s = (U8*)SvPV_force_nomg(sv, len); |
31351b04 | 3697 | if (len) { |
1b6737cc | 3698 | register const U8 * const send = s + len; |
bbce6d69 | 3699 | |
2de3dbcc | 3700 | if (IN_LOCALE_RUNTIME) { |
31351b04 JS |
3701 | TAINT; |
3702 | SvTAINTED_on(sv); | |
3703 | for (; s < send; s++) | |
3704 | *s = toLOWER_LC(*s); | |
3705 | } | |
3706 | else { | |
3707 | for (; s < send; s++) | |
3708 | *s = toLOWER(*s); | |
3709 | } | |
bbce6d69 | 3710 | } |
79072805 | 3711 | } |
d104a74c | 3712 | SvSETMAGIC(sv); |
79072805 LW |
3713 | RETURN; |
3714 | } | |
3715 | ||
a0d0e21e | 3716 | PP(pp_quotemeta) |
79072805 | 3717 | { |
39644a26 | 3718 | dSP; dTARGET; |
1b6737cc | 3719 | SV * const sv = TOPs; |
a0d0e21e | 3720 | STRLEN len; |
0d46e09a | 3721 | register const char *s = SvPV_const(sv,len); |
79072805 | 3722 | |
7e2040f0 | 3723 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 3724 | if (len) { |
1b6737cc | 3725 | register char *d; |
862a34c6 | 3726 | SvUPGRADE(TARG, SVt_PV); |
c07a80fd | 3727 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 3728 | d = SvPVX(TARG); |
7e2040f0 | 3729 | if (DO_UTF8(sv)) { |
0dd2cdef | 3730 | while (len) { |
fd400ab9 | 3731 | if (UTF8_IS_CONTINUED(*s)) { |
0dd2cdef LW |
3732 | STRLEN ulen = UTF8SKIP(s); |
3733 | if (ulen > len) | |
3734 | ulen = len; | |
3735 | len -= ulen; | |
3736 | while (ulen--) | |
3737 | *d++ = *s++; | |
3738 | } | |
3739 | else { | |
3740 | if (!isALNUM(*s)) | |
3741 | *d++ = '\\'; | |
3742 | *d++ = *s++; | |
3743 | len--; | |
3744 | } | |
3745 | } | |
7e2040f0 | 3746 | SvUTF8_on(TARG); |
0dd2cdef LW |
3747 | } |
3748 | else { | |
3749 | while (len--) { | |
3750 | if (!isALNUM(*s)) | |
3751 | *d++ = '\\'; | |
3752 | *d++ = *s++; | |
3753 | } | |
79072805 | 3754 | } |
a0d0e21e | 3755 | *d = '\0'; |
349d4f2f | 3756 | SvCUR_set(TARG, d - SvPVX_const(TARG)); |
3aa33fe5 | 3757 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 3758 | } |
a0d0e21e LW |
3759 | else |
3760 | sv_setpvn(TARG, s, len); | |
3761 | SETs(TARG); | |
31351b04 JS |
3762 | if (SvSMAGICAL(TARG)) |
3763 | mg_set(TARG); | |
79072805 LW |
3764 | RETURN; |
3765 | } | |
3766 | ||
a0d0e21e | 3767 | /* Arrays. */ |
79072805 | 3768 | |
a0d0e21e | 3769 | PP(pp_aslice) |
79072805 | 3770 | { |
39644a26 | 3771 | dSP; dMARK; dORIGMARK; |
1b6737cc AL |
3772 | register AV* const av = (AV*)POPs; |
3773 | register const I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); | |
79072805 | 3774 | |
a0d0e21e | 3775 | if (SvTYPE(av) == SVt_PVAV) { |
1b6737cc | 3776 | const I32 arybase = PL_curcop->cop_arybase; |
533c011a | 3777 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
1b6737cc | 3778 | register SV **svp; |
748a9306 | 3779 | I32 max = -1; |
924508f0 | 3780 | for (svp = MARK + 1; svp <= SP; svp++) { |
1b6737cc | 3781 | const I32 elem = SvIVx(*svp); |
748a9306 LW |
3782 | if (elem > max) |
3783 | max = elem; | |
3784 | } | |
3785 | if (max > AvMAX(av)) | |
3786 | av_extend(av, max); | |
3787 | } | |
a0d0e21e | 3788 | while (++MARK <= SP) { |
1b6737cc AL |
3789 | register SV **svp; |
3790 | I32 elem = SvIVx(*MARK); | |
a0d0e21e | 3791 | |
748a9306 LW |
3792 | if (elem > 0) |
3793 | elem -= arybase; | |
a0d0e21e LW |
3794 | svp = av_fetch(av, elem, lval); |
3795 | if (lval) { | |
3280af22 | 3796 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 3797 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 3798 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 3799 | save_aelem(av, elem, svp); |
79072805 | 3800 | } |
3280af22 | 3801 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3802 | } |
3803 | } | |
748a9306 | 3804 | if (GIMME != G_ARRAY) { |
a0d0e21e | 3805 | MARK = ORIGMARK; |
04ab2c87 | 3806 | *++MARK = SP > ORIGMARK ? *SP : &PL_sv_undef; |
a0d0e21e LW |
3807 | SP = MARK; |
3808 | } | |
79072805 LW |
3809 | RETURN; |
3810 | } | |
3811 | ||
3812 | /* Associative arrays. */ | |
3813 | ||
3814 | PP(pp_each) | |
3815 | { | |
39644a26 | 3816 | dSP; |
1b6737cc | 3817 | HV * const hash = (HV*)POPs; |
c07a80fd | 3818 | HE *entry; |
f54cb97a | 3819 | const I32 gimme = GIMME_V; |
8ec5e241 | 3820 | |
c07a80fd | 3821 | PUTBACK; |
c750a3ec | 3822 | /* might clobber stack_sp */ |
6d822dc4 | 3823 | entry = hv_iternext(hash); |
c07a80fd | 3824 | SPAGAIN; |
79072805 | 3825 | |
79072805 LW |
3826 | EXTEND(SP, 2); |
3827 | if (entry) { | |
1b6737cc | 3828 | SV* const sv = hv_iterkeysv(entry); |
574c8022 | 3829 | PUSHs(sv); /* won't clobber stack_sp */ |
54310121 | 3830 | if (gimme == G_ARRAY) { |
59af0135 | 3831 | SV *val; |
c07a80fd | 3832 | PUTBACK; |
c750a3ec | 3833 | /* might clobber stack_sp */ |
6d822dc4 | 3834 | val = hv_iterval(hash, entry); |
c07a80fd | 3835 | SPAGAIN; |
59af0135 | 3836 | PUSHs(val); |
79072805 | 3837 | } |
79072805 | 3838 | } |
54310121 | 3839 | else if (gimme == G_SCALAR) |
79072805 LW |
3840 | RETPUSHUNDEF; |
3841 | ||
3842 | RETURN; | |
3843 | } | |
3844 | ||
79072805 LW |
3845 | PP(pp_delete) |
3846 | { | |
39644a26 | 3847 | dSP; |
f54cb97a AL |
3848 | const I32 gimme = GIMME_V; |
3849 | const I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
5f05dabc | 3850 | |
533c011a | 3851 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 3852 | dMARK; dORIGMARK; |
1b6737cc AL |
3853 | HV * const hv = (HV*)POPs; |
3854 | const U32 hvtype = SvTYPE(hv); | |
01020589 GS |
3855 | if (hvtype == SVt_PVHV) { /* hash element */ |
3856 | while (++MARK <= SP) { | |
1b6737cc | 3857 | SV * const sv = hv_delete_ent(hv, *MARK, discard, 0); |
01020589 GS |
3858 | *MARK = sv ? sv : &PL_sv_undef; |
3859 | } | |
5f05dabc | 3860 | } |
6d822dc4 MS |
3861 | else if (hvtype == SVt_PVAV) { /* array element */ |
3862 | if (PL_op->op_flags & OPf_SPECIAL) { | |
3863 | while (++MARK <= SP) { | |
1b6737cc | 3864 | SV * const sv = av_delete((AV*)hv, SvIV(*MARK), discard); |
6d822dc4 MS |
3865 | *MARK = sv ? sv : &PL_sv_undef; |
3866 | } | |
3867 | } | |
01020589 GS |
3868 | } |
3869 | else | |
3870 | DIE(aTHX_ "Not a HASH reference"); | |
54310121 | 3871 | if (discard) |
3872 | SP = ORIGMARK; | |
3873 | else if (gimme == G_SCALAR) { | |
5f05dabc | 3874 | MARK = ORIGMARK; |
9111c9c0 DM |
3875 | if (SP > MARK) |
3876 | *++MARK = *SP; | |
3877 | else | |
3878 | *++MARK = &PL_sv_undef; | |
5f05dabc | 3879 | SP = MARK; |
3880 | } | |
3881 | } | |
3882 | else { | |
3883 | SV *keysv = POPs; | |
1b6737cc AL |
3884 | HV * const hv = (HV*)POPs; |
3885 | SV *sv; | |
97fcbf96 MB |
3886 | if (SvTYPE(hv) == SVt_PVHV) |
3887 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
01020589 GS |
3888 | else if (SvTYPE(hv) == SVt_PVAV) { |
3889 | if (PL_op->op_flags & OPf_SPECIAL) | |
3890 | sv = av_delete((AV*)hv, SvIV(keysv), discard); | |
af288a60 HS |
3891 | else |
3892 | DIE(aTHX_ "panic: avhv_delete no longer supported"); | |
01020589 | 3893 | } |
97fcbf96 | 3894 | else |
cea2e8a9 | 3895 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 3896 | if (!sv) |
3280af22 | 3897 | sv = &PL_sv_undef; |
54310121 | 3898 | if (!discard) |
3899 | PUSHs(sv); | |
79072805 | 3900 | } |
79072805 LW |
3901 | RETURN; |
3902 | } | |
3903 | ||
a0d0e21e | 3904 | PP(pp_exists) |
79072805 | 3905 | { |
39644a26 | 3906 | dSP; |
afebc493 GS |
3907 | SV *tmpsv; |
3908 | HV *hv; | |
3909 | ||
3910 | if (PL_op->op_private & OPpEXISTS_SUB) { | |
3911 | GV *gv; | |
afebc493 | 3912 | SV *sv = POPs; |
1b6737cc | 3913 | CV * const cv = sv_2cv(sv, &hv, &gv, FALSE); |
afebc493 GS |
3914 | if (cv) |
3915 | RETPUSHYES; | |
3916 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) | |
3917 | RETPUSHYES; | |
3918 | RETPUSHNO; | |
3919 | } | |
3920 | tmpsv = POPs; | |
3921 | hv = (HV*)POPs; | |
c750a3ec | 3922 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 3923 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 3924 | RETPUSHYES; |
ef54e1a4 JH |
3925 | } |
3926 | else if (SvTYPE(hv) == SVt_PVAV) { | |
01020589 GS |
3927 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
3928 | if (av_exists((AV*)hv, SvIV(tmpsv))) | |
3929 | RETPUSHYES; | |
3930 | } | |
ef54e1a4 JH |
3931 | } |
3932 | else { | |
cea2e8a9 | 3933 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 3934 | } |
a0d0e21e LW |
3935 | RETPUSHNO; |
3936 | } | |
79072805 | 3937 | |
a0d0e21e LW |
3938 | PP(pp_hslice) |
3939 | { | |
39644a26 | 3940 | dSP; dMARK; dORIGMARK; |
1b6737cc AL |
3941 | register HV * const hv = (HV*)POPs; |
3942 | register const I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); | |
3943 | const bool localizing = PL_op->op_private & OPpLVAL_INTRO; | |
eb85dfd3 | 3944 | bool other_magic = FALSE; |
79072805 | 3945 | |
eb85dfd3 DM |
3946 | if (localizing) { |
3947 | MAGIC *mg; | |
3948 | HV *stash; | |
3949 | ||
3950 | other_magic = mg_find((SV*)hv, PERL_MAGIC_env) || | |
3951 | ((mg = mg_find((SV*)hv, PERL_MAGIC_tied)) | |
3952 | /* Try to preserve the existenceness of a tied hash | |
3953 | * element by using EXISTS and DELETE if possible. | |
3954 | * Fallback to FETCH and STORE otherwise */ | |
3955 | && (stash = SvSTASH(SvRV(SvTIED_obj((SV*)hv, mg)))) | |
3956 | && gv_fetchmethod_autoload(stash, "EXISTS", TRUE) | |
3957 | && gv_fetchmethod_autoload(stash, "DELETE", TRUE)); | |
3958 | } | |
3959 | ||
6d822dc4 | 3960 | while (++MARK <= SP) { |
1b6737cc | 3961 | SV * const keysv = *MARK; |
6d822dc4 MS |
3962 | SV **svp; |
3963 | HE *he; | |
3964 | bool preeminent = FALSE; | |
0ebe0038 | 3965 | |
6d822dc4 MS |
3966 | if (localizing) { |
3967 | preeminent = SvRMAGICAL(hv) && !other_magic ? 1 : | |
3968 | hv_exists_ent(hv, keysv, 0); | |
3969 | } | |
eb85dfd3 | 3970 | |
6d822dc4 MS |
3971 | he = hv_fetch_ent(hv, keysv, lval, 0); |
3972 | svp = he ? &HeVAL(he) : 0; | |
eb85dfd3 | 3973 | |
6d822dc4 MS |
3974 | if (lval) { |
3975 | if (!svp || *svp == &PL_sv_undef) { | |
ce5030a2 | 3976 | DIE(aTHX_ PL_no_helem_sv, keysv); |
6d822dc4 MS |
3977 | } |
3978 | if (localizing) { | |
3979 | if (preeminent) | |
3980 | save_helem(hv, keysv, svp); | |
3981 | else { | |
3982 | STRLEN keylen; | |
5c144d81 | 3983 | const char *key = SvPV_const(keysv, keylen); |
6d822dc4 | 3984 | SAVEDELETE(hv, savepvn(key,keylen), keylen); |
1f5346dc | 3985 | } |
6d822dc4 MS |
3986 | } |
3987 | } | |
3988 | *MARK = svp ? *svp : &PL_sv_undef; | |
79072805 | 3989 | } |
a0d0e21e LW |
3990 | if (GIMME != G_ARRAY) { |
3991 | MARK = ORIGMARK; | |
04ab2c87 | 3992 | *++MARK = SP > ORIGMARK ? *SP : &PL_sv_undef; |
a0d0e21e | 3993 | SP = MARK; |
79072805 | 3994 | } |
a0d0e21e LW |
3995 | RETURN; |
3996 | } | |
3997 | ||
3998 | /* List operators. */ | |
3999 | ||
4000 | PP(pp_list) | |
4001 | { | |
39644a26 | 4002 | dSP; dMARK; |
a0d0e21e LW |
4003 | if (GIMME != G_ARRAY) { |
4004 | if (++MARK <= SP) | |
4005 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 4006 | else |
3280af22 | 4007 | *MARK = &PL_sv_undef; |
a0d0e21e | 4008 | SP = MARK; |
79072805 | 4009 | } |
a0d0e21e | 4010 | RETURN; |
79072805 LW |
4011 | } |
4012 | ||
a0d0e21e | 4013 | PP(pp_lslice) |
79072805 | 4014 | { |
39644a26 | 4015 | dSP; |
1b6737cc AL |
4016 | SV ** const lastrelem = PL_stack_sp; |
4017 | SV ** const lastlelem = PL_stack_base + POPMARK; | |
4018 | SV ** const firstlelem = PL_stack_base + POPMARK + 1; | |
4019 | register SV ** const firstrelem = lastlelem + 1; | |
4020 | const I32 arybase = PL_curcop->cop_arybase; | |
4021 | I32 is_something_there = PL_op->op_flags & OPf_MOD; | |
4022 | ||
4023 | register const I32 max = lastrelem - lastlelem; | |
a0d0e21e | 4024 | register SV **lelem; |
a0d0e21e LW |
4025 | |
4026 | if (GIMME != G_ARRAY) { | |
1b6737cc | 4027 | I32 ix = SvIVx(*lastlelem); |
748a9306 LW |
4028 | if (ix < 0) |
4029 | ix += max; | |
4030 | else | |
4031 | ix -= arybase; | |
a0d0e21e | 4032 | if (ix < 0 || ix >= max) |
3280af22 | 4033 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
4034 | else |
4035 | *firstlelem = firstrelem[ix]; | |
4036 | SP = firstlelem; | |
4037 | RETURN; | |
4038 | } | |
4039 | ||
4040 | if (max == 0) { | |
4041 | SP = firstlelem - 1; | |
4042 | RETURN; | |
4043 | } | |
4044 | ||
4045 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
1b6737cc | 4046 | I32 ix = SvIVx(*lelem); |
c73bf8e3 | 4047 | if (ix < 0) |
a0d0e21e | 4048 | ix += max; |
b13b2135 | 4049 | else |
748a9306 | 4050 | ix -= arybase; |
c73bf8e3 HS |
4051 | if (ix < 0 || ix >= max) |
4052 | *lelem = &PL_sv_undef; | |
4053 | else { | |
4054 | is_something_there = TRUE; | |
4055 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 4056 | *lelem = &PL_sv_undef; |
748a9306 | 4057 | } |
79072805 | 4058 | } |
4633a7c4 LW |
4059 | if (is_something_there) |
4060 | SP = lastlelem; | |
4061 | else | |
4062 | SP = firstlelem - 1; | |
79072805 LW |
4063 | RETURN; |
4064 | } | |
4065 | ||
a0d0e21e LW |
4066 | PP(pp_anonlist) |
4067 | { | |
39644a26 | 4068 | dSP; dMARK; dORIGMARK; |
1b6737cc AL |
4069 | const I32 items = SP - MARK; |
4070 | SV * const av = sv_2mortal((SV*)av_make(items, MARK+1)); | |
44a8e56a | 4071 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ |
4072 | XPUSHs(av); | |
a0d0e21e LW |
4073 | RETURN; |
4074 | } | |
4075 | ||
4076 | PP(pp_anonhash) | |
79072805 | 4077 | { |
39644a26 | 4078 | dSP; dMARK; dORIGMARK; |
1b6737cc | 4079 | HV* const hv = (HV*)sv_2mortal((SV*)newHV()); |
a0d0e21e LW |
4080 | |
4081 | while (MARK < SP) { | |
1b6737cc AL |
4082 | SV * const key = *++MARK; |
4083 | SV * const val = NEWSV(46, 0); | |
a0d0e21e LW |
4084 | if (MARK < SP) |
4085 | sv_setsv(val, *++MARK); | |
e476b1b5 | 4086 | else if (ckWARN(WARN_MISC)) |
9014280d | 4087 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Odd number of elements in anonymous hash"); |
f12c7020 | 4088 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 4089 | } |
a0d0e21e LW |
4090 | SP = ORIGMARK; |
4091 | XPUSHs((SV*)hv); | |
79072805 LW |
4092 | RETURN; |
4093 | } | |
4094 | ||
a0d0e21e | 4095 | PP(pp_splice) |
79072805 | 4096 | { |
27da23d5 | 4097 | dVAR; dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
4098 | register AV *ary = (AV*)*++MARK; |
4099 | register SV **src; | |
4100 | register SV **dst; | |
4101 | register I32 i; | |
4102 | register I32 offset; | |
4103 | register I32 length; | |
4104 | I32 newlen; | |
4105 | I32 after; | |
4106 | I32 diff; | |
4107 | SV **tmparyval = 0; | |
1b6737cc | 4108 | const MAGIC * const mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied); |
93965878 | 4109 | |
1b6737cc | 4110 | if (mg) { |
33c27489 | 4111 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 | 4112 | PUSHMARK(MARK); |
8ec5e241 | 4113 | PUTBACK; |
a60c0954 | 4114 | ENTER; |
864dbfa3 | 4115 | call_method("SPLICE",GIMME_V); |
a60c0954 | 4116 | LEAVE; |
93965878 NIS |
4117 | SPAGAIN; |
4118 | RETURN; | |
4119 | } | |
79072805 | 4120 | |
a0d0e21e | 4121 | SP++; |
79072805 | 4122 | |
a0d0e21e | 4123 | if (++MARK < SP) { |
84902520 | 4124 | offset = i = SvIVx(*MARK); |
a0d0e21e | 4125 | if (offset < 0) |
93965878 | 4126 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 4127 | else |
3280af22 | 4128 | offset -= PL_curcop->cop_arybase; |
84902520 | 4129 | if (offset < 0) |
cea2e8a9 | 4130 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |
4131 | if (++MARK < SP) { |
4132 | length = SvIVx(*MARK++); | |
48cdf507 GA |
4133 | if (length < 0) { |
4134 | length += AvFILLp(ary) - offset + 1; | |
4135 | if (length < 0) | |
4136 | length = 0; | |
4137 | } | |
79072805 LW |
4138 | } |
4139 | else | |
a0d0e21e | 4140 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 4141 | } |
a0d0e21e LW |
4142 | else { |
4143 | offset = 0; | |
4144 | length = AvMAX(ary) + 1; | |
4145 | } | |
8cbc2e3b JH |
4146 | if (offset > AvFILLp(ary) + 1) { |
4147 | if (ckWARN(WARN_MISC)) | |
9014280d | 4148 | Perl_warner(aTHX_ packWARN(WARN_MISC), "splice() offset past end of array" ); |
93965878 | 4149 | offset = AvFILLp(ary) + 1; |
8cbc2e3b | 4150 | } |
93965878 | 4151 | after = AvFILLp(ary) + 1 - (offset + length); |
a0d0e21e LW |
4152 | if (after < 0) { /* not that much array */ |
4153 | length += after; /* offset+length now in array */ | |
4154 | after = 0; | |
4155 | if (!AvALLOC(ary)) | |
4156 | av_extend(ary, 0); | |
4157 | } | |
4158 | ||
4159 | /* At this point, MARK .. SP-1 is our new LIST */ | |
4160 | ||
4161 | newlen = SP - MARK; | |
4162 | diff = newlen - length; | |
13d7cbc1 GS |
4163 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
4164 | av_reify(ary); | |
a0d0e21e | 4165 | |
50528de0 WL |
4166 | /* make new elements SVs now: avoid problems if they're from the array */ |
4167 | for (dst = MARK, i = newlen; i; i--) { | |
1b6737cc | 4168 | SV * const h = *dst; |
f2b990bf | 4169 | *dst++ = newSVsv(h); |
50528de0 WL |
4170 | } |
4171 | ||
a0d0e21e LW |
4172 | if (diff < 0) { /* shrinking the area */ |
4173 | if (newlen) { | |
a02a5408 | 4174 | Newx(tmparyval, newlen, SV*); /* so remember insertion */ |
a0d0e21e | 4175 | Copy(MARK, tmparyval, newlen, SV*); |
79072805 | 4176 | } |
a0d0e21e LW |
4177 | |
4178 | MARK = ORIGMARK + 1; | |
4179 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
4180 | MEXTEND(MARK, length); | |
4181 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
4182 | if (AvREAL(ary)) { | |
bbce6d69 | 4183 | EXTEND_MORTAL(length); |
36477c24 | 4184 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 4185 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 4186 | dst++; |
4187 | } | |
a0d0e21e LW |
4188 | } |
4189 | MARK += length - 1; | |
79072805 | 4190 | } |
a0d0e21e LW |
4191 | else { |
4192 | *MARK = AvARRAY(ary)[offset+length-1]; | |
4193 | if (AvREAL(ary)) { | |
d689ffdd | 4194 | sv_2mortal(*MARK); |
a0d0e21e LW |
4195 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
4196 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 4197 | } |
a0d0e21e | 4198 | } |
93965878 | 4199 | AvFILLp(ary) += diff; |
a0d0e21e LW |
4200 | |
4201 | /* pull up or down? */ | |
4202 | ||
4203 | if (offset < after) { /* easier to pull up */ | |
4204 | if (offset) { /* esp. if nothing to pull */ | |
4205 | src = &AvARRAY(ary)[offset-1]; | |
4206 | dst = src - diff; /* diff is negative */ | |
4207 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
4208 | *dst-- = *src--; | |
79072805 | 4209 | } |
a0d0e21e | 4210 | dst = AvARRAY(ary); |
f880fe2f | 4211 | SvPV_set(ary, (char*)(AvARRAY(ary) - diff)); /* diff is negative */ |
a0d0e21e LW |
4212 | AvMAX(ary) += diff; |
4213 | } | |
4214 | else { | |
4215 | if (after) { /* anything to pull down? */ | |
4216 | src = AvARRAY(ary) + offset + length; | |
4217 | dst = src + diff; /* diff is negative */ | |
4218 | Move(src, dst, after, SV*); | |
79072805 | 4219 | } |
93965878 | 4220 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
4221 | /* avoid later double free */ |
4222 | } | |
4223 | i = -diff; | |
4224 | while (i) | |
3280af22 | 4225 | dst[--i] = &PL_sv_undef; |
a0d0e21e LW |
4226 | |
4227 | if (newlen) { | |
50528de0 | 4228 | Copy( tmparyval, AvARRAY(ary) + offset, newlen, SV* ); |
a0d0e21e LW |
4229 | Safefree(tmparyval); |
4230 | } | |
4231 | } | |
4232 | else { /* no, expanding (or same) */ | |
4233 | if (length) { | |
a02a5408 | 4234 | Newx(tmparyval, length, SV*); /* so remember deletion */ |
a0d0e21e LW |
4235 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); |
4236 | } | |
4237 | ||
4238 | if (diff > 0) { /* expanding */ | |
4239 | ||
4240 | /* push up or down? */ | |
4241 | ||
4242 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
4243 | if (offset) { | |
4244 | src = AvARRAY(ary); | |
4245 | dst = src - diff; | |
4246 | Move(src, dst, offset, SV*); | |
79072805 | 4247 | } |
f880fe2f | 4248 | SvPV_set(ary, (char*)(AvARRAY(ary) - diff));/* diff is positive */ |
a0d0e21e | 4249 | AvMAX(ary) += diff; |
93965878 | 4250 | AvFILLp(ary) += diff; |
79072805 LW |
4251 | } |
4252 | else { | |
93965878 NIS |
4253 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
4254 | av_extend(ary, AvFILLp(ary) + diff); | |
4255 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
4256 | |
4257 | if (after) { | |
93965878 | 4258 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
4259 | src = dst - diff; |
4260 | for (i = after; i; i--) { | |
4261 | *dst-- = *src--; | |
4262 | } | |
79072805 LW |
4263 | } |
4264 | } | |
a0d0e21e LW |
4265 | } |
4266 | ||
50528de0 WL |
4267 | if (newlen) { |
4268 | Copy( MARK, AvARRAY(ary) + offset, newlen, SV* ); | |
a0d0e21e | 4269 | } |
50528de0 | 4270 | |
a0d0e21e LW |
4271 | MARK = ORIGMARK + 1; |
4272 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
4273 | if (length) { | |
4274 | Copy(tmparyval, MARK, length, SV*); | |
4275 | if (AvREAL(ary)) { | |
bbce6d69 | 4276 | EXTEND_MORTAL(length); |
36477c24 | 4277 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 4278 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 4279 | dst++; |
4280 | } | |
79072805 | 4281 | } |
a0d0e21e | 4282 | Safefree(tmparyval); |
79072805 | 4283 | } |
a0d0e21e LW |
4284 | MARK += length - 1; |
4285 | } | |
4286 | else if (length--) { | |
4287 | *MARK = tmparyval[length]; | |
4288 | if (AvREAL(ary)) { | |
d689ffdd | 4289 | sv_2mortal(*MARK); |
a0d0e21e LW |
4290 | while (length-- > 0) |
4291 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 4292 | } |
a0d0e21e | 4293 | Safefree(tmparyval); |
79072805 | 4294 | } |
a0d0e21e | 4295 | else |
3280af22 | 4296 | *MARK = &PL_sv_undef; |
79072805 | 4297 | } |
a0d0e21e | 4298 | SP = MARK; |
79072805 LW |
4299 | RETURN; |
4300 | } | |
4301 | ||
a0d0e21e | 4302 | PP(pp_push) |
79072805 | 4303 | { |
27da23d5 | 4304 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 4305 | register AV *ary = (AV*)*++MARK; |
1b6737cc | 4306 | const MAGIC * const mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied); |
79072805 | 4307 | |
1b6737cc | 4308 | if (mg) { |
33c27489 | 4309 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 NIS |
4310 | PUSHMARK(MARK); |
4311 | PUTBACK; | |
a60c0954 | 4312 | ENTER; |
864dbfa3 | 4313 | call_method("PUSH",G_SCALAR|G_DISCARD); |
a60c0954 | 4314 | LEAVE; |
93965878 | 4315 | SPAGAIN; |
0a75904b TP |
4316 | SP = ORIGMARK; |
4317 | PUSHi( AvFILL(ary) + 1 ); | |
93965878 | 4318 | } |
a60c0954 | 4319 | else { |
a60c0954 | 4320 | for (++MARK; MARK <= SP; MARK++) { |
1b6737cc | 4321 | SV * const sv = NEWSV(51, 0); |
a60c0954 NIS |
4322 | if (*MARK) |
4323 | sv_setsv(sv, *MARK); | |
0a75904b | 4324 | av_store(ary, AvFILLp(ary)+1, sv); |
a60c0954 | 4325 | } |
0a75904b TP |
4326 | SP = ORIGMARK; |
4327 | PUSHi( AvFILLp(ary) + 1 ); | |
79072805 | 4328 | } |
79072805 LW |
4329 | RETURN; |
4330 | } | |
4331 | ||
a0d0e21e | 4332 | PP(pp_pop) |
79072805 | 4333 | { |
39644a26 | 4334 | dSP; |
1b6737cc AL |
4335 | AV * const av = (AV*)POPs; |
4336 | SV * const sv = av_pop(av); | |
d689ffdd | 4337 | if (AvREAL(av)) |
a0d0e21e LW |
4338 | (void)sv_2mortal(sv); |
4339 | PUSHs(sv); | |
79072805 | 4340 | RETURN; |
79072805 LW |
4341 | } |
4342 | ||
a0d0e21e | 4343 | PP(pp_shift) |
79072805 | 4344 | { |
39644a26 | 4345 | dSP; |
1b6737cc AL |
4346 | AV * const av = (AV*)POPs; |
4347 | SV * const sv = av_shift(av); | |
79072805 | 4348 | EXTEND(SP, 1); |
a0d0e21e | 4349 | if (!sv) |
79072805 | 4350 | RETPUSHUNDEF; |
d689ffdd | 4351 | if (AvREAL(av)) |
a0d0e21e LW |
4352 | (void)sv_2mortal(sv); |
4353 | PUSHs(sv); | |
79072805 | 4354 | RETURN; |
79072805 LW |
4355 | } |
4356 | ||
a0d0e21e | 4357 | PP(pp_unshift) |
79072805 | 4358 | { |
27da23d5 | 4359 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 4360 | register AV *ary = (AV*)*++MARK; |
1b6737cc | 4361 | const MAGIC * const mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied); |
93965878 | 4362 | |
1b6737cc | 4363 | if (mg) { |
33c27489 | 4364 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
7fd66d9d | 4365 | PUSHMARK(MARK); |
93965878 | 4366 | PUTBACK; |
a60c0954 | 4367 | ENTER; |
864dbfa3 | 4368 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
a60c0954 | 4369 | LEAVE; |
93965878 | 4370 | SPAGAIN; |
93965878 | 4371 | } |
a60c0954 | 4372 | else { |
1b6737cc | 4373 | register I32 i = 0; |
a60c0954 NIS |
4374 | av_unshift(ary, SP - MARK); |
4375 | while (MARK < SP) { | |
1b6737cc | 4376 | SV * const sv = newSVsv(*++MARK); |
a60c0954 NIS |
4377 | (void)av_store(ary, i++, sv); |
4378 | } | |
79072805 | 4379 | } |
a0d0e21e LW |
4380 | SP = ORIGMARK; |
4381 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 4382 | RETURN; |
79072805 LW |
4383 | } |
4384 | ||
a0d0e21e | 4385 | PP(pp_reverse) |
79072805 | 4386 | { |
39644a26 | 4387 | dSP; dMARK; |
1b6737cc | 4388 | SV ** const oldsp = SP; |
79072805 | 4389 | |
a0d0e21e LW |
4390 | if (GIMME == G_ARRAY) { |
4391 | MARK++; | |
4392 | while (MARK < SP) { | |
1b6737cc | 4393 | register SV * const tmp = *MARK; |
a0d0e21e LW |
4394 | *MARK++ = *SP; |
4395 | *SP-- = tmp; | |
4396 | } | |
dd58a1ab | 4397 | /* safe as long as stack cannot get extended in the above */ |
a0d0e21e | 4398 | SP = oldsp; |
79072805 LW |
4399 | } |
4400 | else { | |
a0d0e21e LW |
4401 | register char *up; |
4402 | register char *down; | |
4403 | register I32 tmp; | |
4404 | dTARGET; | |
4405 | STRLEN len; | |
e1f795dc | 4406 | I32 padoff_du; |
79072805 | 4407 | |
7e2040f0 | 4408 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 4409 | if (SP - MARK > 1) |
3280af22 | 4410 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 4411 | else |
e1f795dc RGS |
4412 | sv_setsv(TARG, (SP > MARK) |
4413 | ? *SP | |
29289021 | 4414 | : (padoff_du = find_rundefsvoffset(), |
e1f795dc RGS |
4415 | (padoff_du == NOT_IN_PAD || PAD_COMPNAME_FLAGS(padoff_du) & SVpad_OUR) |
4416 | ? DEFSV : PAD_SVl(padoff_du))); | |
a0d0e21e LW |
4417 | up = SvPV_force(TARG, len); |
4418 | if (len > 1) { | |
7e2040f0 | 4419 | if (DO_UTF8(TARG)) { /* first reverse each character */ |
dfe13c55 | 4420 | U8* s = (U8*)SvPVX(TARG); |
349d4f2f | 4421 | const U8* send = (U8*)(s + len); |
a0ed51b3 | 4422 | while (s < send) { |
d742c382 | 4423 | if (UTF8_IS_INVARIANT(*s)) { |
a0ed51b3 LW |
4424 | s++; |
4425 | continue; | |
4426 | } | |
4427 | else { | |
9041c2e3 | 4428 | if (!utf8_to_uvchr(s, 0)) |
a0dbb045 | 4429 | break; |
dfe13c55 | 4430 | up = (char*)s; |
a0ed51b3 | 4431 | s += UTF8SKIP(s); |
dfe13c55 | 4432 | down = (char*)(s - 1); |
a0dbb045 | 4433 | /* reverse this character */ |
a0ed51b3 LW |
4434 | while (down > up) { |
4435 | tmp = *up; | |
4436 | *up++ = *down; | |
eb160463 | 4437 | *down-- = (char)tmp; |
a0ed51b3 LW |
4438 | } |
4439 | } | |
4440 | } | |
4441 | up = SvPVX(TARG); | |
4442 | } | |
a0d0e21e LW |
4443 | down = SvPVX(TARG) + len - 1; |
4444 | while (down > up) { | |
4445 | tmp = *up; | |
4446 | *up++ = *down; | |
eb160463 | 4447 | *down-- = (char)tmp; |
a0d0e21e | 4448 | } |
3aa33fe5 | 4449 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 4450 | } |
a0d0e21e LW |
4451 | SP = MARK + 1; |
4452 | SETTARG; | |
79072805 | 4453 | } |
a0d0e21e | 4454 | RETURN; |
79072805 LW |
4455 | } |
4456 | ||
a0d0e21e | 4457 | PP(pp_split) |
79072805 | 4458 | { |
27da23d5 | 4459 | dVAR; dSP; dTARG; |
a0d0e21e | 4460 | AV *ary; |
467f0320 | 4461 | register IV limit = POPi; /* note, negative is forever */ |
1b6737cc | 4462 | SV * const sv = POPs; |
a0d0e21e | 4463 | STRLEN len; |
727b7506 | 4464 | register const char *s = SvPV_const(sv, len); |
1b6737cc | 4465 | const bool do_utf8 = DO_UTF8(sv); |
727b7506 | 4466 | const char *strend = s + len; |
44a8e56a | 4467 | register PMOP *pm; |
d9f97599 | 4468 | register REGEXP *rx; |
a0d0e21e | 4469 | register SV *dstr; |
727b7506 | 4470 | register const char *m; |
a0d0e21e | 4471 | I32 iters = 0; |
f54cb97a | 4472 | const STRLEN slen = do_utf8 ? utf8_length((U8*)s, (U8*)strend) : (strend - s); |
792b2c16 | 4473 | I32 maxiters = slen + 10; |
727b7506 | 4474 | const char *orig; |
1b6737cc | 4475 | const I32 origlimit = limit; |
a0d0e21e LW |
4476 | I32 realarray = 0; |
4477 | I32 base; | |
f54cb97a AL |
4478 | const I32 gimme = GIMME_V; |
4479 | const I32 oldsave = PL_savestack_ix; | |
8ec5e241 | 4480 | I32 make_mortal = 1; |
7fba1cd6 | 4481 | bool multiline = 0; |
8ec5e241 | 4482 | MAGIC *mg = (MAGIC *) NULL; |
79072805 | 4483 | |
44a8e56a | 4484 | #ifdef DEBUGGING |
4485 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
4486 | #else | |
4487 | pm = (PMOP*)POPs; | |
4488 | #endif | |
a0d0e21e | 4489 | if (!pm || !s) |
2269b42e | 4490 | DIE(aTHX_ "panic: pp_split"); |
aaa362c4 | 4491 | rx = PM_GETRE(pm); |
bbce6d69 | 4492 | |
4493 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
4494 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
4495 | ||
a30b2f1f | 4496 | RX_MATCH_UTF8_set(rx, do_utf8); |
d9f424b2 | 4497 | |
971a9dd3 GS |
4498 | if (pm->op_pmreplroot) { |
4499 | #ifdef USE_ITHREADS | |
dd2155a4 | 4500 | ary = GvAVn((GV*)PAD_SVl(INT2PTR(PADOFFSET, pm->op_pmreplroot))); |
971a9dd3 | 4501 | #else |
a0d0e21e | 4502 | ary = GvAVn((GV*)pm->op_pmreplroot); |
971a9dd3 GS |
4503 | #endif |
4504 | } | |
a0d0e21e | 4505 | else if (gimme != G_ARRAY) |
3280af22 | 4506 | ary = GvAVn(PL_defgv); |
79072805 | 4507 | else |
a0d0e21e LW |
4508 | ary = Nullav; |
4509 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
4510 | realarray = 1; | |
8ec5e241 | 4511 | PUTBACK; |
a0d0e21e LW |
4512 | av_extend(ary,0); |
4513 | av_clear(ary); | |
8ec5e241 | 4514 | SPAGAIN; |
14befaf4 | 4515 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
8ec5e241 | 4516 | PUSHMARK(SP); |
33c27489 | 4517 | XPUSHs(SvTIED_obj((SV*)ary, mg)); |
8ec5e241 NIS |
4518 | } |
4519 | else { | |
1c0b011c | 4520 | if (!AvREAL(ary)) { |
1b6737cc | 4521 | I32 i; |
1c0b011c | 4522 | AvREAL_on(ary); |
abff13bb | 4523 | AvREIFY_off(ary); |
1c0b011c | 4524 | for (i = AvFILLp(ary); i >= 0; i--) |
3280af22 | 4525 | AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */ |
1c0b011c NIS |
4526 | } |
4527 | /* temporarily switch stacks */ | |
8b7059b1 | 4528 | SAVESWITCHSTACK(PL_curstack, ary); |
8ec5e241 | 4529 | make_mortal = 0; |
1c0b011c | 4530 | } |
79072805 | 4531 | } |
3280af22 | 4532 | base = SP - PL_stack_base; |
a0d0e21e LW |
4533 | orig = s; |
4534 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 4535 | if (pm->op_pmflags & PMf_LOCALE) { |
4536 | while (isSPACE_LC(*s)) | |
4537 | s++; | |
4538 | } | |
4539 | else { | |
4540 | while (isSPACE(*s)) | |
4541 | s++; | |
4542 | } | |
a0d0e21e | 4543 | } |
7fba1cd6 RD |
4544 | if (pm->op_pmflags & PMf_MULTILINE) { |
4545 | multiline = 1; | |
c07a80fd | 4546 | } |
4547 | ||
a0d0e21e LW |
4548 | if (!limit) |
4549 | limit = maxiters + 2; | |
4550 | if (pm->op_pmflags & PMf_WHITE) { | |
4551 | while (--limit) { | |
bbce6d69 | 4552 | m = s; |
4553 | while (m < strend && | |
4554 | !((pm->op_pmflags & PMf_LOCALE) | |
4555 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
4556 | ++m; | |
a0d0e21e LW |
4557 | if (m >= strend) |
4558 | break; | |
bbce6d69 | 4559 | |
f2b990bf | 4560 | dstr = newSVpvn(s, m-s); |
8ec5e241 | 4561 | if (make_mortal) |
a0d0e21e | 4562 | sv_2mortal(dstr); |
792b2c16 | 4563 | if (do_utf8) |
28cb3359 | 4564 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4565 | XPUSHs(dstr); |
bbce6d69 | 4566 | |
4567 | s = m + 1; | |
4568 | while (s < strend && | |
4569 | ((pm->op_pmflags & PMf_LOCALE) | |
4570 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
4571 | ++s; | |
79072805 LW |
4572 | } |
4573 | } | |
770526c1 | 4574 | else if (rx->precomp[0] == '^' && rx->precomp[1] == '\0') { |
a0d0e21e | 4575 | while (--limit) { |
a6e20a40 AL |
4576 | for (m = s; m < strend && *m != '\n'; m++) |
4577 | ; | |
a0d0e21e LW |
4578 | m++; |
4579 | if (m >= strend) | |
4580 | break; | |
f2b990bf | 4581 | dstr = newSVpvn(s, m-s); |
8ec5e241 | 4582 | if (make_mortal) |
a0d0e21e | 4583 | sv_2mortal(dstr); |
792b2c16 | 4584 | if (do_utf8) |
28cb3359 | 4585 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4586 | XPUSHs(dstr); |
4587 | s = m; | |
4588 | } | |
4589 | } | |
699c3c34 JH |
4590 | else if (do_utf8 == ((rx->reganch & ROPT_UTF8) != 0) && |
4591 | (rx->reganch & RE_USE_INTUIT) && !rx->nparens | |
d9f97599 GS |
4592 | && (rx->reganch & ROPT_CHECK_ALL) |
4593 | && !(rx->reganch & ROPT_ANCH)) { | |
1b6737cc AL |
4594 | const int tail = (rx->reganch & RE_INTUIT_TAIL); |
4595 | SV * const csv = CALLREG_INTUIT_STRING(aTHX_ rx); | |
cf93c79d | 4596 | |
ca5b42cb | 4597 | len = rx->minlen; |
1aa99e6b | 4598 | if (len == 1 && !(rx->reganch & ROPT_UTF8) && !tail) { |
1b6737cc | 4599 | const char c = *SvPV_nolen_const(csv); |
a0d0e21e | 4600 | while (--limit) { |
a6e20a40 AL |
4601 | for (m = s; m < strend && *m != c; m++) |
4602 | ; | |
a0d0e21e LW |
4603 | if (m >= strend) |
4604 | break; | |
f2b990bf | 4605 | dstr = newSVpvn(s, m-s); |
8ec5e241 | 4606 | if (make_mortal) |
a0d0e21e | 4607 | sv_2mortal(dstr); |
792b2c16 | 4608 | if (do_utf8) |
28cb3359 | 4609 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4610 | XPUSHs(dstr); |
93f04dac JH |
4611 | /* The rx->minlen is in characters but we want to step |
4612 | * s ahead by bytes. */ | |
1aa99e6b IH |
4613 | if (do_utf8) |
4614 | s = (char*)utf8_hop((U8*)m, len); | |
4615 | else | |
4616 | s = m + len; /* Fake \n at the end */ | |
a0d0e21e LW |
4617 | } |
4618 | } | |
4619 | else { | |
a0d0e21e | 4620 | while (s < strend && --limit && |
f722798b | 4621 | (m = fbm_instr((unsigned char*)s, (unsigned char*)strend, |
7fba1cd6 | 4622 | csv, multiline ? FBMrf_MULTILINE : 0)) ) |
a0d0e21e | 4623 | { |
f2b990bf | 4624 | dstr = newSVpvn(s, m-s); |
8ec5e241 | 4625 | if (make_mortal) |
a0d0e21e | 4626 | sv_2mortal(dstr); |
792b2c16 | 4627 | if (do_utf8) |
28cb3359 | 4628 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4629 | XPUSHs(dstr); |
93f04dac JH |
4630 | /* The rx->minlen is in characters but we want to step |
4631 | * s ahead by bytes. */ | |
1aa99e6b IH |
4632 | if (do_utf8) |
4633 | s = (char*)utf8_hop((U8*)m, len); | |
4634 | else | |
4635 | s = m + len; /* Fake \n at the end */ | |
a0d0e21e | 4636 | } |
463ee0b2 | 4637 | } |
463ee0b2 | 4638 | } |
a0d0e21e | 4639 | else { |
792b2c16 | 4640 | maxiters += slen * rx->nparens; |
080c2dec | 4641 | while (s < strend && --limit) |
bbce6d69 | 4642 | { |
1b6737cc | 4643 | I32 rex_return; |
080c2dec | 4644 | PUTBACK; |
1b6737cc | 4645 | rex_return = CALLREGEXEC(aTHX_ rx, (char*)s, (char*)strend, (char*)orig, 1 , |
727b7506 | 4646 | sv, NULL, 0); |
080c2dec | 4647 | SPAGAIN; |
1b6737cc | 4648 | if (rex_return == 0) |
080c2dec | 4649 | break; |
d9f97599 | 4650 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
cf93c79d | 4651 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
a0d0e21e LW |
4652 | m = s; |
4653 | s = orig; | |
cf93c79d | 4654 | orig = rx->subbeg; |
a0d0e21e LW |
4655 | s = orig + (m - s); |
4656 | strend = s + (strend - m); | |
4657 | } | |
cf93c79d | 4658 | m = rx->startp[0] + orig; |
f2b990bf | 4659 | dstr = newSVpvn(s, m-s); |
8ec5e241 | 4660 | if (make_mortal) |
a0d0e21e | 4661 | sv_2mortal(dstr); |
792b2c16 | 4662 | if (do_utf8) |
28cb3359 | 4663 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4664 | XPUSHs(dstr); |
d9f97599 | 4665 | if (rx->nparens) { |
1b6737cc | 4666 | I32 i; |
eb160463 | 4667 | for (i = 1; i <= (I32)rx->nparens; i++) { |
cf93c79d IZ |
4668 | s = rx->startp[i] + orig; |
4669 | m = rx->endp[i] + orig; | |
6de67870 JP |
4670 | |
4671 | /* japhy (07/27/01) -- the (m && s) test doesn't catch | |
4672 | parens that didn't match -- they should be set to | |
4673 | undef, not the empty string */ | |
4674 | if (m >= orig && s >= orig) { | |
f2b990bf | 4675 | dstr = newSVpvn(s, m-s); |
748a9306 LW |
4676 | } |
4677 | else | |
6de67870 | 4678 | dstr = &PL_sv_undef; /* undef, not "" */ |
8ec5e241 | 4679 | if (make_mortal) |
a0d0e21e | 4680 | sv_2mortal(dstr); |
792b2c16 | 4681 | if (do_utf8) |
28cb3359 | 4682 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4683 | XPUSHs(dstr); |
4684 | } | |
4685 | } | |
cf93c79d | 4686 | s = rx->endp[0] + orig; |
a0d0e21e | 4687 | } |
79072805 | 4688 | } |
8ec5e241 | 4689 | |
3280af22 | 4690 | iters = (SP - PL_stack_base) - base; |
a0d0e21e | 4691 | if (iters > maxiters) |
cea2e8a9 | 4692 | DIE(aTHX_ "Split loop"); |
8ec5e241 | 4693 | |
a0d0e21e LW |
4694 | /* keep field after final delim? */ |
4695 | if (s < strend || (iters && origlimit)) { | |
1b6737cc | 4696 | const STRLEN l = strend - s; |
f2b990bf | 4697 | dstr = newSVpvn(s, l); |
8ec5e241 | 4698 | if (make_mortal) |
a0d0e21e | 4699 | sv_2mortal(dstr); |
792b2c16 | 4700 | if (do_utf8) |
28cb3359 | 4701 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4702 | XPUSHs(dstr); |
4703 | iters++; | |
79072805 | 4704 | } |
a0d0e21e | 4705 | else if (!origlimit) { |
89900bd3 SR |
4706 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) { |
4707 | if (TOPs && !make_mortal) | |
4708 | sv_2mortal(TOPs); | |
4709 | iters--; | |
e3a8873f | 4710 | *SP-- = &PL_sv_undef; |
89900bd3 | 4711 | } |
a0d0e21e | 4712 | } |
8ec5e241 | 4713 | |
8b7059b1 DM |
4714 | PUTBACK; |
4715 | LEAVE_SCOPE(oldsave); /* may undo an earlier SWITCHSTACK */ | |
4716 | SPAGAIN; | |
a0d0e21e | 4717 | if (realarray) { |
8ec5e241 | 4718 | if (!mg) { |
1c0b011c NIS |
4719 | if (SvSMAGICAL(ary)) { |
4720 | PUTBACK; | |
4721 | mg_set((SV*)ary); | |
4722 | SPAGAIN; | |
4723 | } | |
4724 | if (gimme == G_ARRAY) { | |
4725 | EXTEND(SP, iters); | |
4726 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
4727 | SP += iters; | |
4728 | RETURN; | |
4729 | } | |
8ec5e241 | 4730 | } |
1c0b011c | 4731 | else { |
fb73857a | 4732 | PUTBACK; |
8ec5e241 | 4733 | ENTER; |
864dbfa3 | 4734 | call_method("PUSH",G_SCALAR|G_DISCARD); |
8ec5e241 | 4735 | LEAVE; |
fb73857a | 4736 | SPAGAIN; |
8ec5e241 | 4737 | if (gimme == G_ARRAY) { |
1b6737cc | 4738 | I32 i; |
8ec5e241 NIS |
4739 | /* EXTEND should not be needed - we just popped them */ |
4740 | EXTEND(SP, iters); | |
4741 | for (i=0; i < iters; i++) { | |
4742 | SV **svp = av_fetch(ary, i, FALSE); | |
3280af22 | 4743 | PUSHs((svp) ? *svp : &PL_sv_undef); |
8ec5e241 | 4744 | } |
1c0b011c NIS |
4745 | RETURN; |
4746 | } | |
a0d0e21e LW |
4747 | } |
4748 | } | |
4749 | else { | |
4750 | if (gimme == G_ARRAY) | |
4751 | RETURN; | |
4752 | } | |
7f18b612 YST |
4753 | |
4754 | GETTARGET; | |
4755 | PUSHi(iters); | |
4756 | RETURN; | |
79072805 | 4757 | } |
85e6fe83 | 4758 | |
c0329465 MB |
4759 | PP(pp_lock) |
4760 | { | |
39644a26 | 4761 | dSP; |
c0329465 | 4762 | dTOPss; |
e55aaa0e | 4763 | SV *retsv = sv; |
68795e93 | 4764 | SvLOCK(sv); |
e55aaa0e MB |
4765 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
4766 | || SvTYPE(retsv) == SVt_PVCV) { | |
4767 | retsv = refto(retsv); | |
4768 | } | |
4769 | SETs(retsv); | |
c0329465 MB |
4770 | RETURN; |
4771 | } | |
a863c7d1 | 4772 | |
65bca31a NC |
4773 | |
4774 | PP(unimplemented_op) | |
4775 | { | |
4776 | DIE(aTHX_ "panic: unimplemented op %s (#%d) called", OP_NAME(PL_op), | |
4777 | PL_op->op_type); | |
4778 | } | |
4779 | ||
e609e586 NC |
4780 | /* |
4781 | * Local variables: | |
4782 | * c-indentation-style: bsd | |
4783 | * c-basic-offset: 4 | |
4784 | * indent-tabs-mode: t | |
4785 | * End: | |
4786 | * | |
37442d52 RGS |
4787 | * ex: set ts=8 sts=4 sw=4 noet: |
4788 | */ |