Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
4bb101f2 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
b94e2f88 | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 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 | { | |
97aff369 | 50 | dVAR; |
39644a26 | 51 | dSP; |
54310121 | 52 | if (GIMME_V == G_SCALAR) |
3280af22 | 53 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
54 | RETURN; |
55 | } | |
56 | ||
79072805 LW |
57 | /* Pushy stuff. */ |
58 | ||
93a17b20 LW |
59 | PP(pp_padav) |
60 | { | |
97aff369 | 61 | dVAR; dSP; dTARGET; |
13017935 | 62 | I32 gimme; |
533c011a | 63 | if (PL_op->op_private & OPpLVAL_INTRO) |
a5911867 RGS |
64 | if (!(PL_op->op_private & OPpPAD_STATE)) |
65 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); | |
85e6fe83 | 66 | EXTEND(SP, 1); |
533c011a | 67 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 68 | PUSHs(TARG); |
93a17b20 | 69 | RETURN; |
78f9721b SM |
70 | } else if (LVRET) { |
71 | if (GIMME == G_SCALAR) | |
72 | Perl_croak(aTHX_ "Can't return array to lvalue scalar context"); | |
73 | PUSHs(TARG); | |
74 | RETURN; | |
85e6fe83 | 75 | } |
13017935 SM |
76 | gimme = GIMME_V; |
77 | if (gimme == G_ARRAY) { | |
f54cb97a | 78 | const I32 maxarg = AvFILL((AV*)TARG) + 1; |
85e6fe83 | 79 | EXTEND(SP, maxarg); |
93965878 NIS |
80 | if (SvMAGICAL(TARG)) { |
81 | U32 i; | |
eb160463 | 82 | for (i=0; i < (U32)maxarg; i++) { |
0bd48802 | 83 | SV * const * const svp = av_fetch((AV*)TARG, i, FALSE); |
3280af22 | 84 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
85 | } |
86 | } | |
87 | else { | |
88 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
89 | } | |
85e6fe83 LW |
90 | SP += maxarg; |
91 | } | |
13017935 | 92 | else if (gimme == G_SCALAR) { |
1b6737cc | 93 | SV* const sv = sv_newmortal(); |
f54cb97a | 94 | const I32 maxarg = AvFILL((AV*)TARG) + 1; |
85e6fe83 LW |
95 | sv_setiv(sv, maxarg); |
96 | PUSHs(sv); | |
97 | } | |
98 | RETURN; | |
93a17b20 LW |
99 | } |
100 | ||
101 | PP(pp_padhv) | |
102 | { | |
97aff369 | 103 | dVAR; dSP; dTARGET; |
54310121 | 104 | I32 gimme; |
105 | ||
93a17b20 | 106 | XPUSHs(TARG); |
533c011a | 107 | if (PL_op->op_private & OPpLVAL_INTRO) |
a5911867 RGS |
108 | if (!(PL_op->op_private & OPpPAD_STATE)) |
109 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); | |
533c011a | 110 | if (PL_op->op_flags & OPf_REF) |
93a17b20 | 111 | RETURN; |
78f9721b SM |
112 | else if (LVRET) { |
113 | if (GIMME == G_SCALAR) | |
114 | Perl_croak(aTHX_ "Can't return hash to lvalue scalar context"); | |
115 | RETURN; | |
116 | } | |
54310121 | 117 | gimme = GIMME_V; |
118 | if (gimme == G_ARRAY) { | |
cea2e8a9 | 119 | RETURNOP(do_kv()); |
85e6fe83 | 120 | } |
54310121 | 121 | else if (gimme == G_SCALAR) { |
1b6737cc | 122 | SV* const sv = Perl_hv_scalar(aTHX_ (HV*)TARG); |
85e6fe83 | 123 | SETs(sv); |
85e6fe83 | 124 | } |
54310121 | 125 | RETURN; |
93a17b20 LW |
126 | } |
127 | ||
79072805 LW |
128 | /* Translations. */ |
129 | ||
130 | PP(pp_rv2gv) | |
131 | { | |
97aff369 | 132 | dVAR; dSP; dTOPss; |
8ec5e241 | 133 | |
ed6116ce | 134 | if (SvROK(sv)) { |
a0d0e21e | 135 | wasref: |
f5284f61 IZ |
136 | tryAMAGICunDEREF(to_gv); |
137 | ||
ed6116ce | 138 | sv = SvRV(sv); |
b1dadf13 | 139 | if (SvTYPE(sv) == SVt_PVIO) { |
1b6737cc | 140 | GV * const gv = (GV*) sv_newmortal(); |
b1dadf13 | 141 | gv_init(gv, 0, "", 0, 0); |
142 | GvIOp(gv) = (IO *)sv; | |
b37c2d43 | 143 | SvREFCNT_inc_void_NN(sv); |
b1dadf13 | 144 | sv = (SV*) gv; |
ef54e1a4 JH |
145 | } |
146 | else if (SvTYPE(sv) != SVt_PVGV) | |
cea2e8a9 | 147 | DIE(aTHX_ "Not a GLOB reference"); |
79072805 LW |
148 | } |
149 | else { | |
93a17b20 | 150 | if (SvTYPE(sv) != SVt_PVGV) { |
a0d0e21e LW |
151 | if (SvGMAGICAL(sv)) { |
152 | mg_get(sv); | |
153 | if (SvROK(sv)) | |
154 | goto wasref; | |
155 | } | |
afd1915d | 156 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
b13b2135 | 157 | /* If this is a 'my' scalar and flag is set then vivify |
853846ea | 158 | * NI-S 1999/05/07 |
b13b2135 | 159 | */ |
ac53db4c DM |
160 | if (SvREADONLY(sv)) |
161 | Perl_croak(aTHX_ PL_no_modify); | |
1d8d4d2a | 162 | if (PL_op->op_private & OPpDEREF) { |
2c8ac474 GS |
163 | GV *gv; |
164 | if (cUNOP->op_targ) { | |
165 | STRLEN len; | |
0bd48802 AL |
166 | SV * const namesv = PAD_SV(cUNOP->op_targ); |
167 | const char * const name = SvPV(namesv, len); | |
561b68a9 | 168 | gv = (GV*)newSV(0); |
2c8ac474 GS |
169 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
170 | } | |
171 | else { | |
0bd48802 | 172 | const char * const name = CopSTASHPV(PL_curcop); |
2c8ac474 | 173 | gv = newGVgen(name); |
1d8d4d2a | 174 | } |
b13b2135 NIS |
175 | if (SvTYPE(sv) < SVt_RV) |
176 | sv_upgrade(sv, SVt_RV); | |
bc6af7f8 | 177 | else if (SvPVX_const(sv)) { |
8bd4d4c5 | 178 | SvPV_free(sv); |
b162af07 SP |
179 | SvLEN_set(sv, 0); |
180 | SvCUR_set(sv, 0); | |
8f3c2c0c | 181 | } |
b162af07 | 182 | SvRV_set(sv, (SV*)gv); |
853846ea | 183 | SvROK_on(sv); |
1d8d4d2a | 184 | SvSETMAGIC(sv); |
853846ea | 185 | goto wasref; |
2c8ac474 | 186 | } |
533c011a NIS |
187 | if (PL_op->op_flags & OPf_REF || |
188 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 189 | DIE(aTHX_ PL_no_usym, "a symbol"); |
599cee73 | 190 | if (ckWARN(WARN_UNINITIALIZED)) |
29489e7c | 191 | report_uninit(sv); |
a0d0e21e LW |
192 | RETSETUNDEF; |
193 | } | |
35cd451c GS |
194 | if ((PL_op->op_flags & OPf_SPECIAL) && |
195 | !(PL_op->op_flags & OPf_MOD)) | |
196 | { | |
f776e3cd | 197 | SV * const temp = (SV*)gv_fetchsv(sv, 0, SVt_PVGV); |
7a5fd60d NC |
198 | if (!temp |
199 | && (!is_gv_magical_sv(sv,0) | |
f776e3cd | 200 | || !(sv = (SV*)gv_fetchsv(sv, GV_ADD, SVt_PVGV)))) { |
35cd451c | 201 | RETSETUNDEF; |
c9d5ac95 | 202 | } |
7a5fd60d | 203 | sv = temp; |
35cd451c GS |
204 | } |
205 | else { | |
206 | if (PL_op->op_private & HINT_STRICT_REFS) | |
7a5fd60d | 207 | DIE(aTHX_ PL_no_symref_sv, sv, "a symbol"); |
e26df76a NC |
208 | if ((PL_op->op_private & (OPpLVAL_INTRO|OPpDONT_INIT_GV)) |
209 | == OPpDONT_INIT_GV) { | |
210 | /* We are the target of a coderef assignment. Return | |
211 | the scalar unchanged, and let pp_sasssign deal with | |
212 | things. */ | |
213 | RETURN; | |
214 | } | |
f776e3cd | 215 | sv = (SV*)gv_fetchsv(sv, GV_ADD, SVt_PVGV); |
35cd451c | 216 | } |
93a17b20 | 217 | } |
79072805 | 218 | } |
533c011a NIS |
219 | if (PL_op->op_private & OPpLVAL_INTRO) |
220 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
221 | SETs(sv); |
222 | RETURN; | |
223 | } | |
224 | ||
79072805 LW |
225 | PP(pp_rv2sv) |
226 | { | |
97aff369 | 227 | dVAR; dSP; dTOPss; |
c445ea15 | 228 | GV *gv = NULL; |
79072805 | 229 | |
ed6116ce | 230 | if (SvROK(sv)) { |
a0d0e21e | 231 | wasref: |
f5284f61 IZ |
232 | tryAMAGICunDEREF(to_sv); |
233 | ||
ed6116ce | 234 | sv = SvRV(sv); |
79072805 LW |
235 | switch (SvTYPE(sv)) { |
236 | case SVt_PVAV: | |
237 | case SVt_PVHV: | |
238 | case SVt_PVCV: | |
cbae9b9f YST |
239 | case SVt_PVFM: |
240 | case SVt_PVIO: | |
cea2e8a9 | 241 | DIE(aTHX_ "Not a SCALAR reference"); |
42d0e0b7 | 242 | default: NOOP; |
79072805 LW |
243 | } |
244 | } | |
245 | else { | |
82d03984 | 246 | gv = (GV*)sv; |
748a9306 | 247 | |
463ee0b2 | 248 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
249 | if (SvGMAGICAL(sv)) { |
250 | mg_get(sv); | |
251 | if (SvROK(sv)) | |
252 | goto wasref; | |
253 | } | |
2e6a7e23 RGS |
254 | if (PL_op->op_private & HINT_STRICT_REFS) { |
255 | if (SvOK(sv)) | |
256 | DIE(aTHX_ PL_no_symref_sv, sv, "a SCALAR"); | |
257 | else | |
258 | DIE(aTHX_ PL_no_usym, "a SCALAR"); | |
259 | } | |
a0d0e21e | 260 | if (!SvOK(sv)) { |
2e6a7e23 | 261 | if (PL_op->op_flags & OPf_REF) |
cea2e8a9 | 262 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
599cee73 | 263 | if (ckWARN(WARN_UNINITIALIZED)) |
29489e7c | 264 | report_uninit(sv); |
a0d0e21e LW |
265 | RETSETUNDEF; |
266 | } | |
35cd451c GS |
267 | if ((PL_op->op_flags & OPf_SPECIAL) && |
268 | !(PL_op->op_flags & OPf_MOD)) | |
269 | { | |
f776e3cd | 270 | gv = (GV*)gv_fetchsv(sv, 0, SVt_PV); |
c9d5ac95 | 271 | if (!gv |
7a5fd60d | 272 | && (!is_gv_magical_sv(sv, 0) |
f776e3cd | 273 | || !(gv = (GV*)gv_fetchsv(sv, GV_ADD, SVt_PV)))) |
c9d5ac95 | 274 | { |
35cd451c | 275 | RETSETUNDEF; |
c9d5ac95 | 276 | } |
35cd451c GS |
277 | } |
278 | else { | |
f776e3cd | 279 | gv = (GV*)gv_fetchsv(sv, GV_ADD, SVt_PV); |
35cd451c | 280 | } |
463ee0b2 | 281 | } |
29c711a3 | 282 | sv = GvSVn(gv); |
a0d0e21e | 283 | } |
533c011a | 284 | if (PL_op->op_flags & OPf_MOD) { |
82d03984 RGS |
285 | if (PL_op->op_private & OPpLVAL_INTRO) { |
286 | if (cUNOP->op_first->op_type == OP_NULL) | |
287 | sv = save_scalar((GV*)TOPs); | |
288 | else if (gv) | |
289 | sv = save_scalar(gv); | |
290 | else | |
291 | Perl_croak(aTHX_ PL_no_localize_ref); | |
292 | } | |
533c011a NIS |
293 | else if (PL_op->op_private & OPpDEREF) |
294 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 295 | } |
a0d0e21e | 296 | SETs(sv); |
79072805 LW |
297 | RETURN; |
298 | } | |
299 | ||
300 | PP(pp_av2arylen) | |
301 | { | |
97aff369 | 302 | dVAR; dSP; |
1b6737cc AL |
303 | AV * const av = (AV*)TOPs; |
304 | SV ** const sv = Perl_av_arylen_p(aTHX_ (AV*)av); | |
a3874608 | 305 | if (!*sv) { |
561b68a9 | 306 | *sv = newSV(0); |
a3874608 | 307 | sv_upgrade(*sv, SVt_PVMG); |
c445ea15 | 308 | sv_magic(*sv, (SV*)av, PERL_MAGIC_arylen, NULL, 0); |
79072805 | 309 | } |
a3874608 | 310 | SETs(*sv); |
79072805 LW |
311 | RETURN; |
312 | } | |
313 | ||
a0d0e21e LW |
314 | PP(pp_pos) |
315 | { | |
97aff369 | 316 | dVAR; dSP; dTARGET; dPOPss; |
8ec5e241 | 317 | |
78f9721b | 318 | if (PL_op->op_flags & OPf_MOD || LVRET) { |
5f05dabc | 319 | if (SvTYPE(TARG) < SVt_PVLV) { |
320 | sv_upgrade(TARG, SVt_PVLV); | |
c445ea15 | 321 | sv_magic(TARG, NULL, PERL_MAGIC_pos, NULL, 0); |
5f05dabc | 322 | } |
323 | ||
324 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
325 | if (LvTARG(TARG) != sv) { |
326 | if (LvTARG(TARG)) | |
327 | SvREFCNT_dec(LvTARG(TARG)); | |
b37c2d43 | 328 | LvTARG(TARG) = SvREFCNT_inc_simple(sv); |
6ff81951 | 329 | } |
a0d0e21e LW |
330 | PUSHs(TARG); /* no SvSETMAGIC */ |
331 | RETURN; | |
332 | } | |
333 | else { | |
a0d0e21e | 334 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
1b6737cc | 335 | const MAGIC * const mg = mg_find(sv, PERL_MAGIC_regex_global); |
565764a8 | 336 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 | 337 | I32 i = mg->mg_len; |
7e2040f0 | 338 | if (DO_UTF8(sv)) |
a0ed51b3 | 339 | sv_pos_b2u(sv, &i); |
fc15ae8f | 340 | PUSHi(i + CopARYBASE_get(PL_curcop)); |
a0d0e21e LW |
341 | RETURN; |
342 | } | |
343 | } | |
344 | RETPUSHUNDEF; | |
345 | } | |
346 | } | |
347 | ||
79072805 LW |
348 | PP(pp_rv2cv) |
349 | { | |
97aff369 | 350 | dVAR; dSP; |
79072805 | 351 | GV *gv; |
1eced8f8 | 352 | HV *stash_unused; |
c445ea15 AL |
353 | const I32 flags = (PL_op->op_flags & OPf_SPECIAL) |
354 | ? 0 | |
355 | : ((PL_op->op_private & (OPpLVAL_INTRO|OPpMAY_RETURN_CONSTANT)) == OPpMAY_RETURN_CONSTANT) | |
356 | ? GV_ADD|GV_NOEXPAND | |
357 | : GV_ADD; | |
4633a7c4 LW |
358 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
359 | /* (But not in defined().) */ | |
e26df76a | 360 | |
1eced8f8 | 361 | CV *cv = sv_2cv(TOPs, &stash_unused, &gv, flags); |
07055b4c CS |
362 | if (cv) { |
363 | if (CvCLONE(cv)) | |
364 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
d32f2495 SC |
365 | if ((PL_op->op_private & OPpLVAL_INTRO)) { |
366 | if (gv && GvCV(gv) == cv && (gv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), FALSE))) | |
367 | cv = GvCV(gv); | |
368 | if (!CvLVALUE(cv)) | |
369 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); | |
370 | } | |
07055b4c | 371 | } |
e26df76a NC |
372 | else if ((flags == (GV_ADD|GV_NOEXPAND)) && gv && SvROK(gv)) { |
373 | cv = (CV*)gv; | |
374 | } | |
07055b4c | 375 | else |
3280af22 | 376 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
377 | SETs((SV*)cv); |
378 | RETURN; | |
379 | } | |
380 | ||
c07a80fd | 381 | PP(pp_prototype) |
382 | { | |
97aff369 | 383 | dVAR; dSP; |
c07a80fd | 384 | CV *cv; |
385 | HV *stash; | |
386 | GV *gv; | |
fabdb6c0 | 387 | SV *ret = &PL_sv_undef; |
c07a80fd | 388 | |
b6c543e3 | 389 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
0bd48802 | 390 | const char * const s = SvPVX_const(TOPs); |
b6c543e3 | 391 | if (strnEQ(s, "CORE::", 6)) { |
5458a98a | 392 | const int code = keyword(s + 6, SvCUR(TOPs) - 6, 1); |
b6c543e3 IZ |
393 | if (code < 0) { /* Overridable. */ |
394 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
395 | int i = 0, n = 0, seen_question = 0; | |
396 | I32 oa; | |
397 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
398 | ||
bdf1bb36 | 399 | if (code == -KEY_chop || code == -KEY_chomp |
5458a98a | 400 | || code == -KEY_exec || code == -KEY_system || code == -KEY_err) |
77bc9082 | 401 | goto set; |
b6c543e3 | 402 | while (i < MAXO) { /* The slow way. */ |
22c35a8c GS |
403 | if (strEQ(s + 6, PL_op_name[i]) |
404 | || strEQ(s + 6, PL_op_desc[i])) | |
405 | { | |
b6c543e3 | 406 | goto found; |
22c35a8c | 407 | } |
b6c543e3 IZ |
408 | i++; |
409 | } | |
410 | goto nonesuch; /* Should not happen... */ | |
411 | found: | |
22c35a8c | 412 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 | 413 | while (oa) { |
3012a639 | 414 | if (oa & OA_OPTIONAL && !seen_question) { |
b6c543e3 IZ |
415 | seen_question = 1; |
416 | str[n++] = ';'; | |
ef54e1a4 | 417 | } |
b13b2135 | 418 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
6e97e420 SC |
419 | && (oa & (OA_OPTIONAL - 1)) <= OA_SCALARREF |
420 | /* But globs are already references (kinda) */ | |
421 | && (oa & (OA_OPTIONAL - 1)) != OA_FILEREF | |
422 | ) { | |
b6c543e3 IZ |
423 | str[n++] = '\\'; |
424 | } | |
b6c543e3 IZ |
425 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; |
426 | oa = oa >> 4; | |
427 | } | |
428 | str[n++] = '\0'; | |
79cb57f6 | 429 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
430 | } |
431 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
432 | goto set; |
433 | else { /* None such */ | |
434 | nonesuch: | |
d470f89e | 435 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
436 | } |
437 | } | |
438 | } | |
f2c0649b | 439 | cv = sv_2cv(TOPs, &stash, &gv, 0); |
5f05dabc | 440 | if (cv && SvPOK(cv)) |
b15aece3 | 441 | ret = sv_2mortal(newSVpvn(SvPVX_const(cv), SvCUR(cv))); |
b6c543e3 | 442 | set: |
c07a80fd | 443 | SETs(ret); |
444 | RETURN; | |
445 | } | |
446 | ||
a0d0e21e LW |
447 | PP(pp_anoncode) |
448 | { | |
97aff369 | 449 | dVAR; dSP; |
dd2155a4 | 450 | CV* cv = (CV*)PAD_SV(PL_op->op_targ); |
a5f75d66 | 451 | if (CvCLONE(cv)) |
b355b4e0 | 452 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 453 | EXTEND(SP,1); |
748a9306 | 454 | PUSHs((SV*)cv); |
a0d0e21e LW |
455 | RETURN; |
456 | } | |
457 | ||
458 | PP(pp_srefgen) | |
79072805 | 459 | { |
97aff369 | 460 | dVAR; dSP; |
71be2cbc | 461 | *SP = refto(*SP); |
79072805 | 462 | RETURN; |
8ec5e241 | 463 | } |
a0d0e21e LW |
464 | |
465 | PP(pp_refgen) | |
466 | { | |
97aff369 | 467 | dVAR; dSP; dMARK; |
a0d0e21e | 468 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
469 | if (++MARK <= SP) |
470 | *MARK = *SP; | |
471 | else | |
3280af22 | 472 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
473 | *MARK = refto(*MARK); |
474 | SP = MARK; | |
475 | RETURN; | |
a0d0e21e | 476 | } |
bbce6d69 | 477 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 478 | while (++MARK <= SP) |
479 | *MARK = refto(*MARK); | |
a0d0e21e | 480 | RETURN; |
79072805 LW |
481 | } |
482 | ||
76e3520e | 483 | STATIC SV* |
cea2e8a9 | 484 | S_refto(pTHX_ SV *sv) |
71be2cbc | 485 | { |
97aff369 | 486 | dVAR; |
71be2cbc | 487 | SV* rv; |
488 | ||
489 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
490 | if (LvTARGLEN(sv)) | |
68dc0745 | 491 | vivify_defelem(sv); |
492 | if (!(sv = LvTARG(sv))) | |
3280af22 | 493 | sv = &PL_sv_undef; |
0dd88869 | 494 | else |
b37c2d43 | 495 | SvREFCNT_inc_void_NN(sv); |
71be2cbc | 496 | } |
d8b46c1b GS |
497 | else if (SvTYPE(sv) == SVt_PVAV) { |
498 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
499 | av_reify((AV*)sv); | |
500 | SvTEMP_off(sv); | |
b37c2d43 | 501 | SvREFCNT_inc_void_NN(sv); |
d8b46c1b | 502 | } |
f2933f5f DM |
503 | else if (SvPADTMP(sv) && !IS_PADGV(sv)) |
504 | sv = newSVsv(sv); | |
71be2cbc | 505 | else { |
506 | SvTEMP_off(sv); | |
b37c2d43 | 507 | SvREFCNT_inc_void_NN(sv); |
71be2cbc | 508 | } |
509 | rv = sv_newmortal(); | |
510 | sv_upgrade(rv, SVt_RV); | |
b162af07 | 511 | SvRV_set(rv, sv); |
71be2cbc | 512 | SvROK_on(rv); |
513 | return rv; | |
514 | } | |
515 | ||
79072805 LW |
516 | PP(pp_ref) |
517 | { | |
97aff369 | 518 | dVAR; dSP; dTARGET; |
e1ec3a88 | 519 | const char *pv; |
1b6737cc | 520 | SV * const sv = POPs; |
f12c7020 | 521 | |
5b295bef RD |
522 | if (sv) |
523 | SvGETMAGIC(sv); | |
f12c7020 | 524 | |
a0d0e21e | 525 | if (!sv || !SvROK(sv)) |
4633a7c4 | 526 | RETPUSHNO; |
79072805 | 527 | |
1b6737cc | 528 | pv = sv_reftype(SvRV(sv),TRUE); |
463ee0b2 | 529 | PUSHp(pv, strlen(pv)); |
79072805 LW |
530 | RETURN; |
531 | } | |
532 | ||
533 | PP(pp_bless) | |
534 | { | |
97aff369 | 535 | dVAR; dSP; |
463ee0b2 | 536 | HV *stash; |
79072805 | 537 | |
463ee0b2 | 538 | if (MAXARG == 1) |
11faa288 | 539 | stash = CopSTASH(PL_curcop); |
7b8d334a | 540 | else { |
1b6737cc | 541 | SV * const ssv = POPs; |
7b8d334a | 542 | STRLEN len; |
e1ec3a88 | 543 | const char *ptr; |
81689caa | 544 | |
016a42f3 | 545 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
81689caa | 546 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
5c144d81 | 547 | ptr = SvPV_const(ssv,len); |
041457d9 | 548 | if (len == 0 && ckWARN(WARN_MISC)) |
9014280d | 549 | Perl_warner(aTHX_ packWARN(WARN_MISC), |
599cee73 | 550 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
551 | stash = gv_stashpvn(ptr, len, TRUE); |
552 | } | |
a0d0e21e | 553 | |
5d3fdfeb | 554 | (void)sv_bless(TOPs, stash); |
79072805 LW |
555 | RETURN; |
556 | } | |
557 | ||
fb73857a | 558 | PP(pp_gelem) |
559 | { | |
97aff369 | 560 | dVAR; dSP; |
b13b2135 | 561 | |
1b6737cc AL |
562 | SV *sv = POPs; |
563 | const char * const elem = SvPV_nolen_const(sv); | |
564 | GV * const gv = (GV*)POPs; | |
c445ea15 | 565 | SV * tmpRef = NULL; |
1b6737cc | 566 | |
c445ea15 | 567 | sv = NULL; |
c4ba80c3 NC |
568 | if (elem) { |
569 | /* elem will always be NUL terminated. */ | |
1b6737cc | 570 | const char * const second_letter = elem + 1; |
c4ba80c3 NC |
571 | switch (*elem) { |
572 | case 'A': | |
1b6737cc | 573 | if (strEQ(second_letter, "RRAY")) |
c4ba80c3 NC |
574 | tmpRef = (SV*)GvAV(gv); |
575 | break; | |
576 | case 'C': | |
1b6737cc | 577 | if (strEQ(second_letter, "ODE")) |
c4ba80c3 NC |
578 | tmpRef = (SV*)GvCVu(gv); |
579 | break; | |
580 | case 'F': | |
1b6737cc | 581 | if (strEQ(second_letter, "ILEHANDLE")) { |
c4ba80c3 NC |
582 | /* finally deprecated in 5.8.0 */ |
583 | deprecate("*glob{FILEHANDLE}"); | |
584 | tmpRef = (SV*)GvIOp(gv); | |
585 | } | |
586 | else | |
1b6737cc | 587 | if (strEQ(second_letter, "ORMAT")) |
c4ba80c3 NC |
588 | tmpRef = (SV*)GvFORM(gv); |
589 | break; | |
590 | case 'G': | |
1b6737cc | 591 | if (strEQ(second_letter, "LOB")) |
c4ba80c3 NC |
592 | tmpRef = (SV*)gv; |
593 | break; | |
594 | case 'H': | |
1b6737cc | 595 | if (strEQ(second_letter, "ASH")) |
c4ba80c3 NC |
596 | tmpRef = (SV*)GvHV(gv); |
597 | break; | |
598 | case 'I': | |
1b6737cc | 599 | if (*second_letter == 'O' && !elem[2]) |
c4ba80c3 NC |
600 | tmpRef = (SV*)GvIOp(gv); |
601 | break; | |
602 | case 'N': | |
1b6737cc | 603 | if (strEQ(second_letter, "AME")) |
c4ba80c3 NC |
604 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
605 | break; | |
606 | case 'P': | |
1b6737cc | 607 | if (strEQ(second_letter, "ACKAGE")) { |
7fa3a4ab NC |
608 | const HV * const stash = GvSTASH(gv); |
609 | const HEK * const hek = stash ? HvNAME_HEK(stash) : NULL; | |
396482e1 | 610 | sv = hek ? newSVhek(hek) : newSVpvs("__ANON__"); |
c4ba80c3 NC |
611 | } |
612 | break; | |
613 | case 'S': | |
1b6737cc | 614 | if (strEQ(second_letter, "CALAR")) |
f9d52e31 | 615 | tmpRef = GvSVn(gv); |
c4ba80c3 | 616 | break; |
39b99f21 | 617 | } |
fb73857a | 618 | } |
76e3520e GS |
619 | if (tmpRef) |
620 | sv = newRV(tmpRef); | |
fb73857a | 621 | if (sv) |
622 | sv_2mortal(sv); | |
623 | else | |
3280af22 | 624 | sv = &PL_sv_undef; |
fb73857a | 625 | XPUSHs(sv); |
626 | RETURN; | |
627 | } | |
628 | ||
a0d0e21e | 629 | /* Pattern matching */ |
79072805 | 630 | |
a0d0e21e | 631 | PP(pp_study) |
79072805 | 632 | { |
97aff369 | 633 | dVAR; dSP; dPOPss; |
a0d0e21e LW |
634 | register unsigned char *s; |
635 | register I32 pos; | |
636 | register I32 ch; | |
637 | register I32 *sfirst; | |
638 | register I32 *snext; | |
a0d0e21e LW |
639 | STRLEN len; |
640 | ||
3280af22 | 641 | if (sv == PL_lastscream) { |
1e422769 | 642 | if (SvSCREAM(sv)) |
643 | RETPUSHYES; | |
644 | } | |
a4f4e906 NC |
645 | s = (unsigned char*)(SvPV(sv, len)); |
646 | pos = len; | |
c9b9f909 | 647 | if (pos <= 0 || !SvPOK(sv) || SvUTF8(sv)) { |
a4f4e906 NC |
648 | /* No point in studying a zero length string, and not safe to study |
649 | anything that doesn't appear to be a simple scalar (and hence might | |
650 | change between now and when the regexp engine runs without our set | |
bd473224 | 651 | magic ever running) such as a reference to an object with overloaded |
a4f4e906 NC |
652 | stringification. */ |
653 | RETPUSHNO; | |
654 | } | |
655 | ||
656 | if (PL_lastscream) { | |
657 | SvSCREAM_off(PL_lastscream); | |
658 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 659 | } |
b37c2d43 | 660 | PL_lastscream = SvREFCNT_inc_simple(sv); |
1e422769 | 661 | |
662 | s = (unsigned char*)(SvPV(sv, len)); | |
663 | pos = len; | |
664 | if (pos <= 0) | |
665 | RETPUSHNO; | |
3280af22 NIS |
666 | if (pos > PL_maxscream) { |
667 | if (PL_maxscream < 0) { | |
668 | PL_maxscream = pos + 80; | |
a02a5408 JC |
669 | Newx(PL_screamfirst, 256, I32); |
670 | Newx(PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
671 | } |
672 | else { | |
3280af22 NIS |
673 | PL_maxscream = pos + pos / 4; |
674 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 675 | } |
79072805 | 676 | } |
a0d0e21e | 677 | |
3280af22 NIS |
678 | sfirst = PL_screamfirst; |
679 | snext = PL_screamnext; | |
a0d0e21e LW |
680 | |
681 | if (!sfirst || !snext) | |
cea2e8a9 | 682 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
683 | |
684 | for (ch = 256; ch; --ch) | |
685 | *sfirst++ = -1; | |
686 | sfirst -= 256; | |
687 | ||
688 | while (--pos >= 0) { | |
1b6737cc | 689 | register const I32 ch = s[pos]; |
a0d0e21e LW |
690 | if (sfirst[ch] >= 0) |
691 | snext[pos] = sfirst[ch] - pos; | |
692 | else | |
693 | snext[pos] = -pos; | |
694 | sfirst[ch] = pos; | |
79072805 LW |
695 | } |
696 | ||
c07a80fd | 697 | SvSCREAM_on(sv); |
14befaf4 | 698 | /* piggyback on m//g magic */ |
c445ea15 | 699 | sv_magic(sv, NULL, PERL_MAGIC_regex_global, NULL, 0); |
1e422769 | 700 | RETPUSHYES; |
79072805 LW |
701 | } |
702 | ||
a0d0e21e | 703 | PP(pp_trans) |
79072805 | 704 | { |
97aff369 | 705 | dVAR; dSP; dTARG; |
a0d0e21e LW |
706 | SV *sv; |
707 | ||
533c011a | 708 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 709 | sv = POPs; |
59f00321 RGS |
710 | else if (PL_op->op_private & OPpTARGET_MY) |
711 | sv = GETTARGET; | |
79072805 | 712 | else { |
54b9620d | 713 | sv = DEFSV; |
a0d0e21e | 714 | EXTEND(SP,1); |
79072805 | 715 | } |
adbc6bb1 | 716 | TARG = sv_newmortal(); |
4757a243 | 717 | PUSHi(do_trans(sv)); |
a0d0e21e | 718 | RETURN; |
79072805 LW |
719 | } |
720 | ||
a0d0e21e | 721 | /* Lvalue operators. */ |
79072805 | 722 | |
a0d0e21e LW |
723 | PP(pp_schop) |
724 | { | |
97aff369 | 725 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
726 | do_chop(TARG, TOPs); |
727 | SETTARG; | |
728 | RETURN; | |
79072805 LW |
729 | } |
730 | ||
a0d0e21e | 731 | PP(pp_chop) |
79072805 | 732 | { |
97aff369 | 733 | dVAR; dSP; dMARK; dTARGET; dORIGMARK; |
2ec6af5f RG |
734 | while (MARK < SP) |
735 | do_chop(TARG, *++MARK); | |
736 | SP = ORIGMARK; | |
b59aed67 | 737 | XPUSHTARG; |
a0d0e21e | 738 | RETURN; |
79072805 LW |
739 | } |
740 | ||
a0d0e21e | 741 | PP(pp_schomp) |
79072805 | 742 | { |
97aff369 | 743 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
744 | SETi(do_chomp(TOPs)); |
745 | RETURN; | |
79072805 LW |
746 | } |
747 | ||
a0d0e21e | 748 | PP(pp_chomp) |
79072805 | 749 | { |
97aff369 | 750 | dVAR; dSP; dMARK; dTARGET; |
a0d0e21e | 751 | register I32 count = 0; |
8ec5e241 | 752 | |
a0d0e21e LW |
753 | while (SP > MARK) |
754 | count += do_chomp(POPs); | |
b59aed67 | 755 | XPUSHi(count); |
a0d0e21e | 756 | RETURN; |
79072805 LW |
757 | } |
758 | ||
a0d0e21e LW |
759 | PP(pp_undef) |
760 | { | |
97aff369 | 761 | dVAR; dSP; |
a0d0e21e LW |
762 | SV *sv; |
763 | ||
533c011a | 764 | if (!PL_op->op_private) { |
774d564b | 765 | EXTEND(SP, 1); |
a0d0e21e | 766 | RETPUSHUNDEF; |
774d564b | 767 | } |
79072805 | 768 | |
a0d0e21e LW |
769 | sv = POPs; |
770 | if (!sv) | |
771 | RETPUSHUNDEF; | |
85e6fe83 | 772 | |
765f542d | 773 | SV_CHECK_THINKFIRST_COW_DROP(sv); |
85e6fe83 | 774 | |
a0d0e21e LW |
775 | switch (SvTYPE(sv)) { |
776 | case SVt_NULL: | |
777 | break; | |
778 | case SVt_PVAV: | |
779 | av_undef((AV*)sv); | |
780 | break; | |
781 | case SVt_PVHV: | |
782 | hv_undef((HV*)sv); | |
783 | break; | |
784 | case SVt_PVCV: | |
041457d9 | 785 | if (cv_const_sv((CV*)sv) && ckWARN(WARN_MISC)) |
9014280d | 786 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Constant subroutine %s undefined", |
54310121 | 787 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
5f66b61c | 788 | /* FALLTHROUGH */ |
9607fc9c | 789 | case SVt_PVFM: |
6fc92669 GS |
790 | { |
791 | /* let user-undef'd sub keep its identity */ | |
0bd48802 | 792 | GV* const gv = CvGV((CV*)sv); |
6fc92669 GS |
793 | cv_undef((CV*)sv); |
794 | CvGV((CV*)sv) = gv; | |
795 | } | |
a0d0e21e | 796 | break; |
8e07c86e | 797 | case SVt_PVGV: |
44a8e56a | 798 | if (SvFAKE(sv)) |
3280af22 | 799 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
800 | else { |
801 | GP *gp; | |
802 | gp_free((GV*)sv); | |
a02a5408 | 803 | Newxz(gp, 1, GP); |
20408e3c | 804 | GvGP(sv) = gp_ref(gp); |
561b68a9 | 805 | GvSV(sv) = newSV(0); |
57843af0 | 806 | GvLINE(sv) = CopLINE(PL_curcop); |
20408e3c GS |
807 | GvEGV(sv) = (GV*)sv; |
808 | GvMULTI_on(sv); | |
809 | } | |
44a8e56a | 810 | break; |
a0d0e21e | 811 | default: |
b15aece3 | 812 | if (SvTYPE(sv) >= SVt_PV && SvPVX_const(sv) && SvLEN(sv)) { |
8bd4d4c5 | 813 | SvPV_free(sv); |
c445ea15 | 814 | SvPV_set(sv, NULL); |
4633a7c4 | 815 | SvLEN_set(sv, 0); |
a0d0e21e | 816 | } |
0c34ef67 | 817 | SvOK_off(sv); |
4633a7c4 | 818 | SvSETMAGIC(sv); |
79072805 | 819 | } |
a0d0e21e LW |
820 | |
821 | RETPUSHUNDEF; | |
79072805 LW |
822 | } |
823 | ||
a0d0e21e | 824 | PP(pp_predec) |
79072805 | 825 | { |
97aff369 | 826 | dVAR; dSP; |
f39684df | 827 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
d470f89e | 828 | DIE(aTHX_ PL_no_modify); |
3510b4a1 NC |
829 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
830 | && SvIVX(TOPs) != IV_MIN) | |
55497cff | 831 | { |
45977657 | 832 | SvIV_set(TOPs, SvIVX(TOPs) - 1); |
55497cff | 833 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
834 | } |
835 | else | |
836 | sv_dec(TOPs); | |
a0d0e21e LW |
837 | SvSETMAGIC(TOPs); |
838 | return NORMAL; | |
839 | } | |
79072805 | 840 | |
a0d0e21e LW |
841 | PP(pp_postinc) |
842 | { | |
97aff369 | 843 | dVAR; dSP; dTARGET; |
f39684df | 844 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
d470f89e | 845 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 846 | sv_setsv(TARG, TOPs); |
3510b4a1 NC |
847 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
848 | && SvIVX(TOPs) != IV_MAX) | |
55497cff | 849 | { |
45977657 | 850 | SvIV_set(TOPs, SvIVX(TOPs) + 1); |
55497cff | 851 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
852 | } |
853 | else | |
854 | sv_inc(TOPs); | |
a0d0e21e | 855 | SvSETMAGIC(TOPs); |
1e54a23f | 856 | /* special case for undef: see thread at 2003-03/msg00536.html in archive */ |
a0d0e21e LW |
857 | if (!SvOK(TARG)) |
858 | sv_setiv(TARG, 0); | |
859 | SETs(TARG); | |
860 | return NORMAL; | |
861 | } | |
79072805 | 862 | |
a0d0e21e LW |
863 | PP(pp_postdec) |
864 | { | |
97aff369 | 865 | dVAR; dSP; dTARGET; |
f39684df | 866 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
d470f89e | 867 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 868 | sv_setsv(TARG, TOPs); |
3510b4a1 NC |
869 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
870 | && SvIVX(TOPs) != IV_MIN) | |
55497cff | 871 | { |
45977657 | 872 | SvIV_set(TOPs, SvIVX(TOPs) - 1); |
55497cff | 873 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
874 | } |
875 | else | |
876 | sv_dec(TOPs); | |
a0d0e21e LW |
877 | SvSETMAGIC(TOPs); |
878 | SETs(TARG); | |
879 | return NORMAL; | |
880 | } | |
79072805 | 881 | |
a0d0e21e LW |
882 | /* Ordinary operators. */ |
883 | ||
884 | PP(pp_pow) | |
885 | { | |
97aff369 | 886 | dVAR; dSP; dATARGET; |
58d76dfd | 887 | #ifdef PERL_PRESERVE_IVUV |
52a96ae6 HS |
888 | bool is_int = 0; |
889 | #endif | |
890 | tryAMAGICbin(pow,opASSIGN); | |
891 | #ifdef PERL_PRESERVE_IVUV | |
892 | /* For integer to integer power, we do the calculation by hand wherever | |
893 | we're sure it is safe; otherwise we call pow() and try to convert to | |
894 | integer afterwards. */ | |
58d76dfd | 895 | { |
900658e3 PF |
896 | SvIV_please(TOPs); |
897 | if (SvIOK(TOPs)) { | |
898 | SvIV_please(TOPm1s); | |
899 | if (SvIOK(TOPm1s)) { | |
900 | UV power; | |
901 | bool baseuok; | |
902 | UV baseuv; | |
903 | ||
904 | if (SvUOK(TOPs)) { | |
905 | power = SvUVX(TOPs); | |
906 | } else { | |
907 | const IV iv = SvIVX(TOPs); | |
908 | if (iv >= 0) { | |
909 | power = iv; | |
910 | } else { | |
911 | goto float_it; /* Can't do negative powers this way. */ | |
912 | } | |
913 | } | |
914 | ||
915 | baseuok = SvUOK(TOPm1s); | |
916 | if (baseuok) { | |
917 | baseuv = SvUVX(TOPm1s); | |
918 | } else { | |
919 | const IV iv = SvIVX(TOPm1s); | |
920 | if (iv >= 0) { | |
921 | baseuv = iv; | |
922 | baseuok = TRUE; /* effectively it's a UV now */ | |
923 | } else { | |
924 | baseuv = -iv; /* abs, baseuok == false records sign */ | |
925 | } | |
926 | } | |
52a96ae6 HS |
927 | /* now we have integer ** positive integer. */ |
928 | is_int = 1; | |
929 | ||
930 | /* foo & (foo - 1) is zero only for a power of 2. */ | |
58d76dfd | 931 | if (!(baseuv & (baseuv - 1))) { |
52a96ae6 | 932 | /* We are raising power-of-2 to a positive integer. |
58d76dfd JH |
933 | The logic here will work for any base (even non-integer |
934 | bases) but it can be less accurate than | |
935 | pow (base,power) or exp (power * log (base)) when the | |
936 | intermediate values start to spill out of the mantissa. | |
937 | With powers of 2 we know this can't happen. | |
938 | And powers of 2 are the favourite thing for perl | |
939 | programmers to notice ** not doing what they mean. */ | |
940 | NV result = 1.0; | |
941 | NV base = baseuok ? baseuv : -(NV)baseuv; | |
900658e3 PF |
942 | |
943 | if (power & 1) { | |
944 | result *= base; | |
945 | } | |
946 | while (power >>= 1) { | |
947 | base *= base; | |
948 | if (power & 1) { | |
949 | result *= base; | |
950 | } | |
951 | } | |
58d76dfd JH |
952 | SP--; |
953 | SETn( result ); | |
52a96ae6 | 954 | SvIV_please(TOPs); |
58d76dfd | 955 | RETURN; |
52a96ae6 HS |
956 | } else { |
957 | register unsigned int highbit = 8 * sizeof(UV); | |
900658e3 PF |
958 | register unsigned int diff = 8 * sizeof(UV); |
959 | while (diff >>= 1) { | |
960 | highbit -= diff; | |
961 | if (baseuv >> highbit) { | |
962 | highbit += diff; | |
963 | } | |
52a96ae6 HS |
964 | } |
965 | /* we now have baseuv < 2 ** highbit */ | |
966 | if (power * highbit <= 8 * sizeof(UV)) { | |
967 | /* result will definitely fit in UV, so use UV math | |
968 | on same algorithm as above */ | |
969 | register UV result = 1; | |
970 | register UV base = baseuv; | |
900658e3 PF |
971 | const bool odd_power = (bool)(power & 1); |
972 | if (odd_power) { | |
973 | result *= base; | |
974 | } | |
975 | while (power >>= 1) { | |
976 | base *= base; | |
977 | if (power & 1) { | |
52a96ae6 | 978 | result *= base; |
52a96ae6 HS |
979 | } |
980 | } | |
981 | SP--; | |
0615a994 | 982 | if (baseuok || !odd_power) |
52a96ae6 HS |
983 | /* answer is positive */ |
984 | SETu( result ); | |
985 | else if (result <= (UV)IV_MAX) | |
986 | /* answer negative, fits in IV */ | |
987 | SETi( -(IV)result ); | |
988 | else if (result == (UV)IV_MIN) | |
989 | /* 2's complement assumption: special case IV_MIN */ | |
990 | SETi( IV_MIN ); | |
991 | else | |
992 | /* answer negative, doesn't fit */ | |
993 | SETn( -(NV)result ); | |
994 | RETURN; | |
995 | } | |
996 | } | |
997 | } | |
998 | } | |
58d76dfd | 999 | } |
52a96ae6 | 1000 | float_it: |
58d76dfd | 1001 | #endif |
a0d0e21e | 1002 | { |
52a96ae6 | 1003 | dPOPTOPnnrl; |
3aaeb624 JA |
1004 | |
1005 | #if defined(USE_LONG_DOUBLE) && defined(HAS_AIX_POWL_NEG_BASE_BUG) | |
1006 | /* | |
1007 | We are building perl with long double support and are on an AIX OS | |
1008 | afflicted with a powl() function that wrongly returns NaNQ for any | |
1009 | negative base. This was reported to IBM as PMR #23047-379 on | |
1010 | 03/06/2006. The problem exists in at least the following versions | |
1011 | of AIX and the libm fileset, and no doubt others as well: | |
1012 | ||
1013 | AIX 4.3.3-ML10 bos.adt.libm 4.3.3.50 | |
1014 | AIX 5.1.0-ML04 bos.adt.libm 5.1.0.29 | |
1015 | AIX 5.2.0 bos.adt.libm 5.2.0.85 | |
1016 | ||
1017 | So, until IBM fixes powl(), we provide the following workaround to | |
1018 | handle the problem ourselves. Our logic is as follows: for | |
1019 | negative bases (left), we use fmod(right, 2) to check if the | |
1020 | exponent is an odd or even integer: | |
1021 | ||
1022 | - if odd, powl(left, right) == -powl(-left, right) | |
1023 | - if even, powl(left, right) == powl(-left, right) | |
1024 | ||
1025 | If the exponent is not an integer, the result is rightly NaNQ, so | |
1026 | we just return that (as NV_NAN). | |
1027 | */ | |
1028 | ||
1029 | if (left < 0.0) { | |
1030 | NV mod2 = Perl_fmod( right, 2.0 ); | |
1031 | if (mod2 == 1.0 || mod2 == -1.0) { /* odd integer */ | |
1032 | SETn( -Perl_pow( -left, right) ); | |
1033 | } else if (mod2 == 0.0) { /* even integer */ | |
1034 | SETn( Perl_pow( -left, right) ); | |
1035 | } else { /* fractional power */ | |
1036 | SETn( NV_NAN ); | |
1037 | } | |
1038 | } else { | |
1039 | SETn( Perl_pow( left, right) ); | |
1040 | } | |
1041 | #else | |
52a96ae6 | 1042 | SETn( Perl_pow( left, right) ); |
3aaeb624 JA |
1043 | #endif /* HAS_AIX_POWL_NEG_BASE_BUG */ |
1044 | ||
52a96ae6 HS |
1045 | #ifdef PERL_PRESERVE_IVUV |
1046 | if (is_int) | |
1047 | SvIV_please(TOPs); | |
1048 | #endif | |
1049 | RETURN; | |
93a17b20 | 1050 | } |
a0d0e21e LW |
1051 | } |
1052 | ||
1053 | PP(pp_multiply) | |
1054 | { | |
97aff369 | 1055 | dVAR; dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
28e5dec8 JH |
1056 | #ifdef PERL_PRESERVE_IVUV |
1057 | SvIV_please(TOPs); | |
1058 | if (SvIOK(TOPs)) { | |
1059 | /* Unless the left argument is integer in range we are going to have to | |
1060 | use NV maths. Hence only attempt to coerce the right argument if | |
1061 | we know the left is integer. */ | |
1062 | /* Left operand is defined, so is it IV? */ | |
1063 | SvIV_please(TOPm1s); | |
1064 | if (SvIOK(TOPm1s)) { | |
1065 | bool auvok = SvUOK(TOPm1s); | |
1066 | bool buvok = SvUOK(TOPs); | |
1067 | const UV topmask = (~ (UV)0) << (4 * sizeof (UV)); | |
1068 | const UV botmask = ~((~ (UV)0) << (4 * sizeof (UV))); | |
1069 | UV alow; | |
1070 | UV ahigh; | |
1071 | UV blow; | |
1072 | UV bhigh; | |
1073 | ||
1074 | if (auvok) { | |
1075 | alow = SvUVX(TOPm1s); | |
1076 | } else { | |
1b6737cc | 1077 | const IV aiv = SvIVX(TOPm1s); |
28e5dec8 JH |
1078 | if (aiv >= 0) { |
1079 | alow = aiv; | |
1080 | auvok = TRUE; /* effectively it's a UV now */ | |
1081 | } else { | |
1082 | alow = -aiv; /* abs, auvok == false records sign */ | |
1083 | } | |
1084 | } | |
1085 | if (buvok) { | |
1086 | blow = SvUVX(TOPs); | |
1087 | } else { | |
1b6737cc | 1088 | const IV biv = SvIVX(TOPs); |
28e5dec8 JH |
1089 | if (biv >= 0) { |
1090 | blow = biv; | |
1091 | buvok = TRUE; /* effectively it's a UV now */ | |
1092 | } else { | |
1093 | blow = -biv; /* abs, buvok == false records sign */ | |
1094 | } | |
1095 | } | |
1096 | ||
1097 | /* If this does sign extension on unsigned it's time for plan B */ | |
1098 | ahigh = alow >> (4 * sizeof (UV)); | |
1099 | alow &= botmask; | |
1100 | bhigh = blow >> (4 * sizeof (UV)); | |
1101 | blow &= botmask; | |
1102 | if (ahigh && bhigh) { | |
6f207bd3 | 1103 | NOOP; |
28e5dec8 JH |
1104 | /* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000 |
1105 | which is overflow. Drop to NVs below. */ | |
1106 | } else if (!ahigh && !bhigh) { | |
1107 | /* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001 | |
1108 | so the unsigned multiply cannot overflow. */ | |
c445ea15 | 1109 | const UV product = alow * blow; |
28e5dec8 JH |
1110 | if (auvok == buvok) { |
1111 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
1112 | SP--; | |
1113 | SETu( product ); | |
1114 | RETURN; | |
1115 | } else if (product <= (UV)IV_MIN) { | |
1116 | /* 2s complement assumption that (UV)-IV_MIN is correct. */ | |
1117 | /* -ve result, which could overflow an IV */ | |
1118 | SP--; | |
25716404 | 1119 | SETi( -(IV)product ); |
28e5dec8 JH |
1120 | RETURN; |
1121 | } /* else drop to NVs below. */ | |
1122 | } else { | |
1123 | /* One operand is large, 1 small */ | |
1124 | UV product_middle; | |
1125 | if (bhigh) { | |
1126 | /* swap the operands */ | |
1127 | ahigh = bhigh; | |
1128 | bhigh = blow; /* bhigh now the temp var for the swap */ | |
1129 | blow = alow; | |
1130 | alow = bhigh; | |
1131 | } | |
1132 | /* now, ((ahigh * blow) << half_UV_len) + (alow * blow) | |
1133 | multiplies can't overflow. shift can, add can, -ve can. */ | |
1134 | product_middle = ahigh * blow; | |
1135 | if (!(product_middle & topmask)) { | |
1136 | /* OK, (ahigh * blow) won't lose bits when we shift it. */ | |
1137 | UV product_low; | |
1138 | product_middle <<= (4 * sizeof (UV)); | |
1139 | product_low = alow * blow; | |
1140 | ||
1141 | /* as for pp_add, UV + something mustn't get smaller. | |
1142 | IIRC ANSI mandates this wrapping *behaviour* for | |
1143 | unsigned whatever the actual representation*/ | |
1144 | product_low += product_middle; | |
1145 | if (product_low >= product_middle) { | |
1146 | /* didn't overflow */ | |
1147 | if (auvok == buvok) { | |
1148 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
1149 | SP--; | |
1150 | SETu( product_low ); | |
1151 | RETURN; | |
1152 | } else if (product_low <= (UV)IV_MIN) { | |
1153 | /* 2s complement assumption again */ | |
1154 | /* -ve result, which could overflow an IV */ | |
1155 | SP--; | |
25716404 | 1156 | SETi( -(IV)product_low ); |
28e5dec8 JH |
1157 | RETURN; |
1158 | } /* else drop to NVs below. */ | |
1159 | } | |
1160 | } /* product_middle too large */ | |
1161 | } /* ahigh && bhigh */ | |
1162 | } /* SvIOK(TOPm1s) */ | |
1163 | } /* SvIOK(TOPs) */ | |
1164 | #endif | |
a0d0e21e LW |
1165 | { |
1166 | dPOPTOPnnrl; | |
1167 | SETn( left * right ); | |
1168 | RETURN; | |
79072805 | 1169 | } |
a0d0e21e LW |
1170 | } |
1171 | ||
1172 | PP(pp_divide) | |
1173 | { | |
97aff369 | 1174 | dVAR; dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
5479d192 | 1175 | /* Only try to do UV divide first |
68795e93 | 1176 | if ((SLOPPYDIVIDE is true) or |
5479d192 NC |
1177 | (PERL_PRESERVE_IVUV is true and one or both SV is a UV too large |
1178 | to preserve)) | |
1179 | The assumption is that it is better to use floating point divide | |
1180 | whenever possible, only doing integer divide first if we can't be sure. | |
1181 | If NV_PRESERVES_UV is true then we know at compile time that no UV | |
1182 | can be too large to preserve, so don't need to compile the code to | |
1183 | test the size of UVs. */ | |
1184 | ||
a0d0e21e | 1185 | #ifdef SLOPPYDIVIDE |
5479d192 NC |
1186 | # define PERL_TRY_UV_DIVIDE |
1187 | /* ensure that 20./5. == 4. */ | |
a0d0e21e | 1188 | #else |
5479d192 NC |
1189 | # ifdef PERL_PRESERVE_IVUV |
1190 | # ifndef NV_PRESERVES_UV | |
1191 | # define PERL_TRY_UV_DIVIDE | |
1192 | # endif | |
1193 | # endif | |
a0d0e21e | 1194 | #endif |
5479d192 NC |
1195 | |
1196 | #ifdef PERL_TRY_UV_DIVIDE | |
1197 | SvIV_please(TOPs); | |
1198 | if (SvIOK(TOPs)) { | |
1199 | SvIV_please(TOPm1s); | |
1200 | if (SvIOK(TOPm1s)) { | |
1201 | bool left_non_neg = SvUOK(TOPm1s); | |
1202 | bool right_non_neg = SvUOK(TOPs); | |
1203 | UV left; | |
1204 | UV right; | |
1205 | ||
1206 | if (right_non_neg) { | |
1207 | right = SvUVX(TOPs); | |
1208 | } | |
1209 | else { | |
1b6737cc | 1210 | const IV biv = SvIVX(TOPs); |
5479d192 NC |
1211 | if (biv >= 0) { |
1212 | right = biv; | |
1213 | right_non_neg = TRUE; /* effectively it's a UV now */ | |
1214 | } | |
1215 | else { | |
1216 | right = -biv; | |
1217 | } | |
1218 | } | |
1219 | /* historically undef()/0 gives a "Use of uninitialized value" | |
1220 | warning before dieing, hence this test goes here. | |
1221 | If it were immediately before the second SvIV_please, then | |
1222 | DIE() would be invoked before left was even inspected, so | |
1223 | no inpsection would give no warning. */ | |
1224 | if (right == 0) | |
1225 | DIE(aTHX_ "Illegal division by zero"); | |
1226 | ||
1227 | if (left_non_neg) { | |
1228 | left = SvUVX(TOPm1s); | |
1229 | } | |
1230 | else { | |
1b6737cc | 1231 | const IV aiv = SvIVX(TOPm1s); |
5479d192 NC |
1232 | if (aiv >= 0) { |
1233 | left = aiv; | |
1234 | left_non_neg = TRUE; /* effectively it's a UV now */ | |
1235 | } | |
1236 | else { | |
1237 | left = -aiv; | |
1238 | } | |
1239 | } | |
1240 | ||
1241 | if (left >= right | |
1242 | #ifdef SLOPPYDIVIDE | |
1243 | /* For sloppy divide we always attempt integer division. */ | |
1244 | #else | |
1245 | /* Otherwise we only attempt it if either or both operands | |
1246 | would not be preserved by an NV. If both fit in NVs | |
0c2ee62a NC |
1247 | we fall through to the NV divide code below. However, |
1248 | as left >= right to ensure integer result here, we know that | |
1249 | we can skip the test on the right operand - right big | |
1250 | enough not to be preserved can't get here unless left is | |
1251 | also too big. */ | |
1252 | ||
1253 | && (left > ((UV)1 << NV_PRESERVES_UV_BITS)) | |
5479d192 NC |
1254 | #endif |
1255 | ) { | |
1256 | /* Integer division can't overflow, but it can be imprecise. */ | |
1b6737cc | 1257 | const UV result = left / right; |
5479d192 NC |
1258 | if (result * right == left) { |
1259 | SP--; /* result is valid */ | |
1260 | if (left_non_neg == right_non_neg) { | |
1261 | /* signs identical, result is positive. */ | |
1262 | SETu( result ); | |
1263 | RETURN; | |
1264 | } | |
1265 | /* 2s complement assumption */ | |
1266 | if (result <= (UV)IV_MIN) | |
91f3b821 | 1267 | SETi( -(IV)result ); |
5479d192 NC |
1268 | else { |
1269 | /* It's exact but too negative for IV. */ | |
1270 | SETn( -(NV)result ); | |
1271 | } | |
1272 | RETURN; | |
1273 | } /* tried integer divide but it was not an integer result */ | |
32fdb065 | 1274 | } /* else (PERL_ABS(result) < 1.0) or (both UVs in range for NV) */ |
5479d192 NC |
1275 | } /* left wasn't SvIOK */ |
1276 | } /* right wasn't SvIOK */ | |
1277 | #endif /* PERL_TRY_UV_DIVIDE */ | |
1278 | { | |
1279 | dPOPPOPnnrl; | |
1280 | if (right == 0.0) | |
1281 | DIE(aTHX_ "Illegal division by zero"); | |
1282 | PUSHn( left / right ); | |
1283 | RETURN; | |
79072805 | 1284 | } |
a0d0e21e LW |
1285 | } |
1286 | ||
1287 | PP(pp_modulo) | |
1288 | { | |
97aff369 | 1289 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 1290 | { |
9c5ffd7c JH |
1291 | UV left = 0; |
1292 | UV right = 0; | |
dc656993 JH |
1293 | bool left_neg = FALSE; |
1294 | bool right_neg = FALSE; | |
e2c88acc NC |
1295 | bool use_double = FALSE; |
1296 | bool dright_valid = FALSE; | |
9c5ffd7c JH |
1297 | NV dright = 0.0; |
1298 | NV dleft = 0.0; | |
787eafbd | 1299 | |
e2c88acc NC |
1300 | SvIV_please(TOPs); |
1301 | if (SvIOK(TOPs)) { | |
1302 | right_neg = !SvUOK(TOPs); | |
1303 | if (!right_neg) { | |
1304 | right = SvUVX(POPs); | |
1305 | } else { | |
1b6737cc | 1306 | const IV biv = SvIVX(POPs); |
e2c88acc NC |
1307 | if (biv >= 0) { |
1308 | right = biv; | |
1309 | right_neg = FALSE; /* effectively it's a UV now */ | |
1310 | } else { | |
1311 | right = -biv; | |
1312 | } | |
1313 | } | |
1314 | } | |
1315 | else { | |
787eafbd | 1316 | dright = POPn; |
787eafbd IZ |
1317 | right_neg = dright < 0; |
1318 | if (right_neg) | |
1319 | dright = -dright; | |
e2c88acc NC |
1320 | if (dright < UV_MAX_P1) { |
1321 | right = U_V(dright); | |
1322 | dright_valid = TRUE; /* In case we need to use double below. */ | |
1323 | } else { | |
1324 | use_double = TRUE; | |
1325 | } | |
787eafbd | 1326 | } |
a0d0e21e | 1327 | |
e2c88acc NC |
1328 | /* At this point use_double is only true if right is out of range for |
1329 | a UV. In range NV has been rounded down to nearest UV and | |
1330 | use_double false. */ | |
1331 | SvIV_please(TOPs); | |
1332 | if (!use_double && SvIOK(TOPs)) { | |
1333 | if (SvIOK(TOPs)) { | |
1334 | left_neg = !SvUOK(TOPs); | |
1335 | if (!left_neg) { | |
1336 | left = SvUVX(POPs); | |
1337 | } else { | |
0bd48802 | 1338 | const IV aiv = SvIVX(POPs); |
e2c88acc NC |
1339 | if (aiv >= 0) { |
1340 | left = aiv; | |
1341 | left_neg = FALSE; /* effectively it's a UV now */ | |
1342 | } else { | |
1343 | left = -aiv; | |
1344 | } | |
1345 | } | |
1346 | } | |
1347 | } | |
787eafbd IZ |
1348 | else { |
1349 | dleft = POPn; | |
787eafbd IZ |
1350 | left_neg = dleft < 0; |
1351 | if (left_neg) | |
1352 | dleft = -dleft; | |
68dc0745 | 1353 | |
e2c88acc NC |
1354 | /* This should be exactly the 5.6 behaviour - if left and right are |
1355 | both in range for UV then use U_V() rather than floor. */ | |
1356 | if (!use_double) { | |
1357 | if (dleft < UV_MAX_P1) { | |
1358 | /* right was in range, so is dleft, so use UVs not double. | |
1359 | */ | |
1360 | left = U_V(dleft); | |
1361 | } | |
1362 | /* left is out of range for UV, right was in range, so promote | |
1363 | right (back) to double. */ | |
1364 | else { | |
1365 | /* The +0.5 is used in 5.6 even though it is not strictly | |
1366 | consistent with the implicit +0 floor in the U_V() | |
1367 | inside the #if 1. */ | |
1368 | dleft = Perl_floor(dleft + 0.5); | |
1369 | use_double = TRUE; | |
1370 | if (dright_valid) | |
1371 | dright = Perl_floor(dright + 0.5); | |
1372 | else | |
1373 | dright = right; | |
1374 | } | |
1375 | } | |
1376 | } | |
787eafbd | 1377 | if (use_double) { |
65202027 | 1378 | NV dans; |
787eafbd | 1379 | |
787eafbd | 1380 | if (!dright) |
cea2e8a9 | 1381 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd | 1382 | |
65202027 | 1383 | dans = Perl_fmod(dleft, dright); |
787eafbd IZ |
1384 | if ((left_neg != right_neg) && dans) |
1385 | dans = dright - dans; | |
1386 | if (right_neg) | |
1387 | dans = -dans; | |
1388 | sv_setnv(TARG, dans); | |
1389 | } | |
1390 | else { | |
1391 | UV ans; | |
1392 | ||
787eafbd | 1393 | if (!right) |
cea2e8a9 | 1394 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1395 | |
1396 | ans = left % right; | |
1397 | if ((left_neg != right_neg) && ans) | |
1398 | ans = right - ans; | |
1399 | if (right_neg) { | |
1400 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1401 | /* could change -foo to be (~foo)+1 instead */ | |
1402 | if (ans <= ~((UV)IV_MAX)+1) | |
1403 | sv_setiv(TARG, ~ans+1); | |
1404 | else | |
65202027 | 1405 | sv_setnv(TARG, -(NV)ans); |
787eafbd IZ |
1406 | } |
1407 | else | |
1408 | sv_setuv(TARG, ans); | |
1409 | } | |
1410 | PUSHTARG; | |
1411 | RETURN; | |
79072805 | 1412 | } |
a0d0e21e | 1413 | } |
79072805 | 1414 | |
a0d0e21e LW |
1415 | PP(pp_repeat) |
1416 | { | |
97aff369 | 1417 | dVAR; dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1418 | { |
2b573ace JH |
1419 | register IV count; |
1420 | dPOPss; | |
5b295bef | 1421 | SvGETMAGIC(sv); |
2b573ace JH |
1422 | if (SvIOKp(sv)) { |
1423 | if (SvUOK(sv)) { | |
1b6737cc | 1424 | const UV uv = SvUV(sv); |
2b573ace JH |
1425 | if (uv > IV_MAX) |
1426 | count = IV_MAX; /* The best we can do? */ | |
1427 | else | |
1428 | count = uv; | |
1429 | } else { | |
0bd48802 | 1430 | const IV iv = SvIV(sv); |
2b573ace JH |
1431 | if (iv < 0) |
1432 | count = 0; | |
1433 | else | |
1434 | count = iv; | |
1435 | } | |
1436 | } | |
1437 | else if (SvNOKp(sv)) { | |
1b6737cc | 1438 | const NV nv = SvNV(sv); |
2b573ace JH |
1439 | if (nv < 0.0) |
1440 | count = 0; | |
1441 | else | |
1442 | count = (IV)nv; | |
1443 | } | |
1444 | else | |
1445 | count = SvIVx(sv); | |
533c011a | 1446 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e | 1447 | dMARK; |
0bd48802 AL |
1448 | static const char oom_list_extend[] = "Out of memory during list extend"; |
1449 | const I32 items = SP - MARK; | |
1450 | const I32 max = items * count; | |
79072805 | 1451 | |
2b573ace JH |
1452 | MEM_WRAP_CHECK_1(max, SV*, oom_list_extend); |
1453 | /* Did the max computation overflow? */ | |
27d5b266 | 1454 | if (items > 0 && max > 0 && (max < items || max < count)) |
2b573ace | 1455 | Perl_croak(aTHX_ oom_list_extend); |
a0d0e21e LW |
1456 | MEXTEND(MARK, max); |
1457 | if (count > 1) { | |
1458 | while (SP > MARK) { | |
976c8a39 JH |
1459 | #if 0 |
1460 | /* This code was intended to fix 20010809.028: | |
1461 | ||
1462 | $x = 'abcd'; | |
1463 | for (($x =~ /./g) x 2) { | |
1464 | print chop; # "abcdabcd" expected as output. | |
1465 | } | |
1466 | ||
1467 | * but that change (#11635) broke this code: | |
1468 | ||
1469 | $x = [("foo")x2]; # only one "foo" ended up in the anonlist. | |
1470 | ||
1471 | * I can't think of a better fix that doesn't introduce | |
1472 | * an efficiency hit by copying the SVs. The stack isn't | |
1473 | * refcounted, and mortalisation obviously doesn't | |
1474 | * Do The Right Thing when the stack has more than | |
1475 | * one pointer to the same mortal value. | |
1476 | * .robin. | |
1477 | */ | |
e30acc16 RH |
1478 | if (*SP) { |
1479 | *SP = sv_2mortal(newSVsv(*SP)); | |
1480 | SvREADONLY_on(*SP); | |
1481 | } | |
976c8a39 JH |
1482 | #else |
1483 | if (*SP) | |
1484 | SvTEMP_off((*SP)); | |
1485 | #endif | |
a0d0e21e | 1486 | SP--; |
79072805 | 1487 | } |
a0d0e21e LW |
1488 | MARK++; |
1489 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1490 | items * sizeof(SV*), count - 1); | |
1491 | SP += max; | |
79072805 | 1492 | } |
a0d0e21e LW |
1493 | else if (count <= 0) |
1494 | SP -= items; | |
79072805 | 1495 | } |
a0d0e21e | 1496 | else { /* Note: mark already snarfed by pp_list */ |
0bd48802 | 1497 | SV * const tmpstr = POPs; |
a0d0e21e | 1498 | STRLEN len; |
9b877dbb | 1499 | bool isutf; |
2b573ace JH |
1500 | static const char oom_string_extend[] = |
1501 | "Out of memory during string extend"; | |
a0d0e21e | 1502 | |
a0d0e21e LW |
1503 | SvSetSV(TARG, tmpstr); |
1504 | SvPV_force(TARG, len); | |
9b877dbb | 1505 | isutf = DO_UTF8(TARG); |
8ebc5c01 | 1506 | if (count != 1) { |
1507 | if (count < 1) | |
1508 | SvCUR_set(TARG, 0); | |
1509 | else { | |
c445ea15 | 1510 | const STRLEN max = (UV)count * len; |
2b573ace JH |
1511 | if (len > ((MEM_SIZE)~0)/count) |
1512 | Perl_croak(aTHX_ oom_string_extend); | |
1513 | MEM_WRAP_CHECK_1(max, char, oom_string_extend); | |
8569b9dc | 1514 | SvGROW(TARG, max + 1); |
a0d0e21e | 1515 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
b162af07 | 1516 | SvCUR_set(TARG, SvCUR(TARG) * count); |
7a4c00b4 | 1517 | } |
a0d0e21e | 1518 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1519 | } |
dfcb284a GS |
1520 | if (isutf) |
1521 | (void)SvPOK_only_UTF8(TARG); | |
1522 | else | |
1523 | (void)SvPOK_only(TARG); | |
b80b6069 RH |
1524 | |
1525 | if (PL_op->op_private & OPpREPEAT_DOLIST) { | |
1526 | /* The parser saw this as a list repeat, and there | |
1527 | are probably several items on the stack. But we're | |
1528 | in scalar context, and there's no pp_list to save us | |
1529 | now. So drop the rest of the items -- robin@kitsite.com | |
1530 | */ | |
1531 | dMARK; | |
1532 | SP = MARK; | |
1533 | } | |
a0d0e21e | 1534 | PUSHTARG; |
79072805 | 1535 | } |
a0d0e21e | 1536 | RETURN; |
748a9306 | 1537 | } |
a0d0e21e | 1538 | } |
79072805 | 1539 | |
a0d0e21e LW |
1540 | PP(pp_subtract) |
1541 | { | |
97aff369 | 1542 | dVAR; dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
28e5dec8 JH |
1543 | useleft = USE_LEFT(TOPm1s); |
1544 | #ifdef PERL_PRESERVE_IVUV | |
7dca457a NC |
1545 | /* See comments in pp_add (in pp_hot.c) about Overflow, and how |
1546 | "bad things" happen if you rely on signed integers wrapping. */ | |
28e5dec8 JH |
1547 | SvIV_please(TOPs); |
1548 | if (SvIOK(TOPs)) { | |
1549 | /* Unless the left argument is integer in range we are going to have to | |
1550 | use NV maths. Hence only attempt to coerce the right argument if | |
1551 | we know the left is integer. */ | |
9c5ffd7c JH |
1552 | register UV auv = 0; |
1553 | bool auvok = FALSE; | |
7dca457a NC |
1554 | bool a_valid = 0; |
1555 | ||
28e5dec8 | 1556 | if (!useleft) { |
7dca457a NC |
1557 | auv = 0; |
1558 | a_valid = auvok = 1; | |
1559 | /* left operand is undef, treat as zero. */ | |
28e5dec8 JH |
1560 | } else { |
1561 | /* Left operand is defined, so is it IV? */ | |
1562 | SvIV_please(TOPm1s); | |
1563 | if (SvIOK(TOPm1s)) { | |
7dca457a NC |
1564 | if ((auvok = SvUOK(TOPm1s))) |
1565 | auv = SvUVX(TOPm1s); | |
1566 | else { | |
1b6737cc | 1567 | register const IV aiv = SvIVX(TOPm1s); |
7dca457a NC |
1568 | if (aiv >= 0) { |
1569 | auv = aiv; | |
1570 | auvok = 1; /* Now acting as a sign flag. */ | |
1571 | } else { /* 2s complement assumption for IV_MIN */ | |
1572 | auv = (UV)-aiv; | |
28e5dec8 | 1573 | } |
7dca457a NC |
1574 | } |
1575 | a_valid = 1; | |
1576 | } | |
1577 | } | |
1578 | if (a_valid) { | |
1579 | bool result_good = 0; | |
1580 | UV result; | |
1581 | register UV buv; | |
1582 | bool buvok = SvUOK(TOPs); | |
9041c2e3 | 1583 | |
7dca457a NC |
1584 | if (buvok) |
1585 | buv = SvUVX(TOPs); | |
1586 | else { | |
1b6737cc | 1587 | register const IV biv = SvIVX(TOPs); |
7dca457a NC |
1588 | if (biv >= 0) { |
1589 | buv = biv; | |
1590 | buvok = 1; | |
1591 | } else | |
1592 | buv = (UV)-biv; | |
1593 | } | |
1594 | /* ?uvok if value is >= 0. basically, flagged as UV if it's +ve, | |
602f51c4 | 1595 | else "IV" now, independent of how it came in. |
7dca457a NC |
1596 | if a, b represents positive, A, B negative, a maps to -A etc |
1597 | a - b => (a - b) | |
1598 | A - b => -(a + b) | |
1599 | a - B => (a + b) | |
1600 | A - B => -(a - b) | |
1601 | all UV maths. negate result if A negative. | |
1602 | subtract if signs same, add if signs differ. */ | |
1603 | ||
1604 | if (auvok ^ buvok) { | |
1605 | /* Signs differ. */ | |
1606 | result = auv + buv; | |
1607 | if (result >= auv) | |
1608 | result_good = 1; | |
1609 | } else { | |
1610 | /* Signs same */ | |
1611 | if (auv >= buv) { | |
1612 | result = auv - buv; | |
1613 | /* Must get smaller */ | |
1614 | if (result <= auv) | |
1615 | result_good = 1; | |
1616 | } else { | |
1617 | result = buv - auv; | |
1618 | if (result <= buv) { | |
1619 | /* result really should be -(auv-buv). as its negation | |
1620 | of true value, need to swap our result flag */ | |
1621 | auvok = !auvok; | |
1622 | result_good = 1; | |
28e5dec8 | 1623 | } |
28e5dec8 JH |
1624 | } |
1625 | } | |
7dca457a NC |
1626 | if (result_good) { |
1627 | SP--; | |
1628 | if (auvok) | |
1629 | SETu( result ); | |
1630 | else { | |
1631 | /* Negate result */ | |
1632 | if (result <= (UV)IV_MIN) | |
1633 | SETi( -(IV)result ); | |
1634 | else { | |
1635 | /* result valid, but out of range for IV. */ | |
1636 | SETn( -(NV)result ); | |
1637 | } | |
1638 | } | |
1639 | RETURN; | |
1640 | } /* Overflow, drop through to NVs. */ | |
28e5dec8 JH |
1641 | } |
1642 | } | |
1643 | #endif | |
7dca457a | 1644 | useleft = USE_LEFT(TOPm1s); |
a0d0e21e | 1645 | { |
28e5dec8 JH |
1646 | dPOPnv; |
1647 | if (!useleft) { | |
1648 | /* left operand is undef, treat as zero - value */ | |
1649 | SETn(-value); | |
1650 | RETURN; | |
1651 | } | |
1652 | SETn( TOPn - value ); | |
1653 | RETURN; | |
79072805 | 1654 | } |
a0d0e21e | 1655 | } |
79072805 | 1656 | |
a0d0e21e LW |
1657 | PP(pp_left_shift) |
1658 | { | |
97aff369 | 1659 | dVAR; dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1660 | { |
1b6737cc | 1661 | const IV shift = POPi; |
d0ba1bd2 | 1662 | if (PL_op->op_private & HINT_INTEGER) { |
c445ea15 | 1663 | const IV i = TOPi; |
972b05a9 | 1664 | SETi(i << shift); |
d0ba1bd2 JH |
1665 | } |
1666 | else { | |
c445ea15 | 1667 | const UV u = TOPu; |
972b05a9 | 1668 | SETu(u << shift); |
d0ba1bd2 | 1669 | } |
55497cff | 1670 | RETURN; |
79072805 | 1671 | } |
a0d0e21e | 1672 | } |
79072805 | 1673 | |
a0d0e21e LW |
1674 | PP(pp_right_shift) |
1675 | { | |
97aff369 | 1676 | dVAR; dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1677 | { |
1b6737cc | 1678 | const IV shift = POPi; |
d0ba1bd2 | 1679 | if (PL_op->op_private & HINT_INTEGER) { |
0bd48802 | 1680 | const IV i = TOPi; |
972b05a9 | 1681 | SETi(i >> shift); |
d0ba1bd2 JH |
1682 | } |
1683 | else { | |
0bd48802 | 1684 | const UV u = TOPu; |
972b05a9 | 1685 | SETu(u >> shift); |
d0ba1bd2 | 1686 | } |
a0d0e21e | 1687 | RETURN; |
93a17b20 | 1688 | } |
79072805 LW |
1689 | } |
1690 | ||
a0d0e21e | 1691 | PP(pp_lt) |
79072805 | 1692 | { |
97aff369 | 1693 | dVAR; dSP; tryAMAGICbinSET(lt,0); |
28e5dec8 JH |
1694 | #ifdef PERL_PRESERVE_IVUV |
1695 | SvIV_please(TOPs); | |
1696 | if (SvIOK(TOPs)) { | |
1697 | SvIV_please(TOPm1s); | |
1698 | if (SvIOK(TOPm1s)) { | |
1699 | bool auvok = SvUOK(TOPm1s); | |
1700 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1701 | |
28e5dec8 | 1702 | if (!auvok && !buvok) { /* ## IV < IV ## */ |
1b6737cc AL |
1703 | const IV aiv = SvIVX(TOPm1s); |
1704 | const IV biv = SvIVX(TOPs); | |
28e5dec8 JH |
1705 | |
1706 | SP--; | |
1707 | SETs(boolSV(aiv < biv)); | |
1708 | RETURN; | |
1709 | } | |
1710 | if (auvok && buvok) { /* ## UV < UV ## */ | |
1b6737cc AL |
1711 | const UV auv = SvUVX(TOPm1s); |
1712 | const UV buv = SvUVX(TOPs); | |
28e5dec8 JH |
1713 | |
1714 | SP--; | |
1715 | SETs(boolSV(auv < buv)); | |
1716 | RETURN; | |
1717 | } | |
1718 | if (auvok) { /* ## UV < IV ## */ | |
1719 | UV auv; | |
1b6737cc | 1720 | const IV biv = SvIVX(TOPs); |
28e5dec8 JH |
1721 | SP--; |
1722 | if (biv < 0) { | |
1723 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1724 | SETs(&PL_sv_no); | |
1725 | RETURN; | |
1726 | } | |
1727 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1728 | SETs(boolSV(auv < (UV)biv)); |
1729 | RETURN; | |
1730 | } | |
1731 | { /* ## IV < UV ## */ | |
1b6737cc | 1732 | const IV aiv = SvIVX(TOPm1s); |
28e5dec8 JH |
1733 | UV buv; |
1734 | ||
28e5dec8 JH |
1735 | if (aiv < 0) { |
1736 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1737 | SP--; | |
1738 | SETs(&PL_sv_yes); | |
1739 | RETURN; | |
1740 | } | |
1741 | buv = SvUVX(TOPs); | |
1742 | SP--; | |
28e5dec8 JH |
1743 | SETs(boolSV((UV)aiv < buv)); |
1744 | RETURN; | |
1745 | } | |
1746 | } | |
1747 | } | |
1748 | #endif | |
30de85b6 | 1749 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1750 | #ifdef PERL_PRESERVE_IVUV |
1751 | else | |
1752 | #endif | |
0bdaccee NC |
1753 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
1754 | SP--; | |
1755 | SETs(boolSV(SvRV(TOPs) < SvRV(TOPp1s))); | |
1756 | RETURN; | |
1757 | } | |
30de85b6 | 1758 | #endif |
a0d0e21e | 1759 | { |
cab190d4 JD |
1760 | #if defined(NAN_COMPARE_BROKEN) && defined(Perl_isnan) |
1761 | dPOPTOPnnrl; | |
1762 | if (Perl_isnan(left) || Perl_isnan(right)) | |
1763 | RETSETNO; | |
1764 | SETs(boolSV(left < right)); | |
1765 | #else | |
a0d0e21e | 1766 | dPOPnv; |
54310121 | 1767 | SETs(boolSV(TOPn < value)); |
cab190d4 | 1768 | #endif |
a0d0e21e | 1769 | RETURN; |
79072805 | 1770 | } |
a0d0e21e | 1771 | } |
79072805 | 1772 | |
a0d0e21e LW |
1773 | PP(pp_gt) |
1774 | { | |
97aff369 | 1775 | dVAR; dSP; tryAMAGICbinSET(gt,0); |
28e5dec8 JH |
1776 | #ifdef PERL_PRESERVE_IVUV |
1777 | SvIV_please(TOPs); | |
1778 | if (SvIOK(TOPs)) { | |
1779 | SvIV_please(TOPm1s); | |
1780 | if (SvIOK(TOPm1s)) { | |
1781 | bool auvok = SvUOK(TOPm1s); | |
1782 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1783 | |
28e5dec8 | 1784 | if (!auvok && !buvok) { /* ## IV > IV ## */ |
1b6737cc AL |
1785 | const IV aiv = SvIVX(TOPm1s); |
1786 | const IV biv = SvIVX(TOPs); | |
1787 | ||
28e5dec8 JH |
1788 | SP--; |
1789 | SETs(boolSV(aiv > biv)); | |
1790 | RETURN; | |
1791 | } | |
1792 | if (auvok && buvok) { /* ## UV > UV ## */ | |
1b6737cc AL |
1793 | const UV auv = SvUVX(TOPm1s); |
1794 | const UV buv = SvUVX(TOPs); | |
28e5dec8 JH |
1795 | |
1796 | SP--; | |
1797 | SETs(boolSV(auv > buv)); | |
1798 | RETURN; | |
1799 | } | |
1800 | if (auvok) { /* ## UV > IV ## */ | |
1801 | UV auv; | |
1b6737cc AL |
1802 | const IV biv = SvIVX(TOPs); |
1803 | ||
28e5dec8 JH |
1804 | SP--; |
1805 | if (biv < 0) { | |
1806 | /* As (a) is a UV, it's >=0, so it must be > */ | |
1807 | SETs(&PL_sv_yes); | |
1808 | RETURN; | |
1809 | } | |
1810 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1811 | SETs(boolSV(auv > (UV)biv)); |
1812 | RETURN; | |
1813 | } | |
1814 | { /* ## IV > UV ## */ | |
1b6737cc | 1815 | const IV aiv = SvIVX(TOPm1s); |
28e5dec8 JH |
1816 | UV buv; |
1817 | ||
28e5dec8 JH |
1818 | if (aiv < 0) { |
1819 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
1820 | SP--; | |
1821 | SETs(&PL_sv_no); | |
1822 | RETURN; | |
1823 | } | |
1824 | buv = SvUVX(TOPs); | |
1825 | SP--; | |
28e5dec8 JH |
1826 | SETs(boolSV((UV)aiv > buv)); |
1827 | RETURN; | |
1828 | } | |
1829 | } | |
1830 | } | |
1831 | #endif | |
30de85b6 | 1832 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1833 | #ifdef PERL_PRESERVE_IVUV |
1834 | else | |
1835 | #endif | |
0bdaccee | 1836 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
30de85b6 NC |
1837 | SP--; |
1838 | SETs(boolSV(SvRV(TOPs) > SvRV(TOPp1s))); | |
1839 | RETURN; | |
1840 | } | |
1841 | #endif | |
a0d0e21e | 1842 | { |
cab190d4 JD |
1843 | #if defined(NAN_COMPARE_BROKEN) && defined(Perl_isnan) |
1844 | dPOPTOPnnrl; | |
1845 | if (Perl_isnan(left) || Perl_isnan(right)) | |
1846 | RETSETNO; | |
1847 | SETs(boolSV(left > right)); | |
1848 | #else | |
a0d0e21e | 1849 | dPOPnv; |
54310121 | 1850 | SETs(boolSV(TOPn > value)); |
cab190d4 | 1851 | #endif |
a0d0e21e | 1852 | RETURN; |
79072805 | 1853 | } |
a0d0e21e LW |
1854 | } |
1855 | ||
1856 | PP(pp_le) | |
1857 | { | |
97aff369 | 1858 | dVAR; dSP; tryAMAGICbinSET(le,0); |
28e5dec8 JH |
1859 | #ifdef PERL_PRESERVE_IVUV |
1860 | SvIV_please(TOPs); | |
1861 | if (SvIOK(TOPs)) { | |
1862 | SvIV_please(TOPm1s); | |
1863 | if (SvIOK(TOPm1s)) { | |
1864 | bool auvok = SvUOK(TOPm1s); | |
1865 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1866 | |
28e5dec8 | 1867 | if (!auvok && !buvok) { /* ## IV <= IV ## */ |
1b6737cc AL |
1868 | const IV aiv = SvIVX(TOPm1s); |
1869 | const IV biv = SvIVX(TOPs); | |
28e5dec8 JH |
1870 | |
1871 | SP--; | |
1872 | SETs(boolSV(aiv <= biv)); | |
1873 | RETURN; | |
1874 | } | |
1875 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
1876 | UV auv = SvUVX(TOPm1s); | |
1877 | UV buv = SvUVX(TOPs); | |
1878 | ||
1879 | SP--; | |
1880 | SETs(boolSV(auv <= buv)); | |
1881 | RETURN; | |
1882 | } | |
1883 | if (auvok) { /* ## UV <= IV ## */ | |
1884 | UV auv; | |
1b6737cc AL |
1885 | const IV biv = SvIVX(TOPs); |
1886 | ||
28e5dec8 JH |
1887 | SP--; |
1888 | if (biv < 0) { | |
1889 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
1890 | SETs(&PL_sv_no); | |
1891 | RETURN; | |
1892 | } | |
1893 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1894 | SETs(boolSV(auv <= (UV)biv)); |
1895 | RETURN; | |
1896 | } | |
1897 | { /* ## IV <= UV ## */ | |
1b6737cc | 1898 | const IV aiv = SvIVX(TOPm1s); |
28e5dec8 | 1899 | UV buv; |
1b6737cc | 1900 | |
28e5dec8 JH |
1901 | if (aiv < 0) { |
1902 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
1903 | SP--; | |
1904 | SETs(&PL_sv_yes); | |
1905 | RETURN; | |
1906 | } | |
1907 | buv = SvUVX(TOPs); | |
1908 | SP--; | |
28e5dec8 JH |
1909 | SETs(boolSV((UV)aiv <= buv)); |
1910 | RETURN; | |
1911 | } | |
1912 | } | |
1913 | } | |
1914 | #endif | |
30de85b6 | 1915 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1916 | #ifdef PERL_PRESERVE_IVUV |
1917 | else | |
1918 | #endif | |
0bdaccee | 1919 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
30de85b6 NC |
1920 | SP--; |
1921 | SETs(boolSV(SvRV(TOPs) <= SvRV(TOPp1s))); | |
1922 | RETURN; | |
1923 | } | |
1924 | #endif | |
a0d0e21e | 1925 | { |
cab190d4 JD |
1926 | #if defined(NAN_COMPARE_BROKEN) && defined(Perl_isnan) |
1927 | dPOPTOPnnrl; | |
1928 | if (Perl_isnan(left) || Perl_isnan(right)) | |
1929 | RETSETNO; | |
1930 | SETs(boolSV(left <= right)); | |
1931 | #else | |
a0d0e21e | 1932 | dPOPnv; |
54310121 | 1933 | SETs(boolSV(TOPn <= value)); |
cab190d4 | 1934 | #endif |
a0d0e21e | 1935 | RETURN; |
79072805 | 1936 | } |
a0d0e21e LW |
1937 | } |
1938 | ||
1939 | PP(pp_ge) | |
1940 | { | |
97aff369 | 1941 | dVAR; dSP; tryAMAGICbinSET(ge,0); |
28e5dec8 JH |
1942 | #ifdef PERL_PRESERVE_IVUV |
1943 | SvIV_please(TOPs); | |
1944 | if (SvIOK(TOPs)) { | |
1945 | SvIV_please(TOPm1s); | |
1946 | if (SvIOK(TOPm1s)) { | |
1947 | bool auvok = SvUOK(TOPm1s); | |
1948 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1949 | |
28e5dec8 | 1950 | if (!auvok && !buvok) { /* ## IV >= IV ## */ |
1b6737cc AL |
1951 | const IV aiv = SvIVX(TOPm1s); |
1952 | const IV biv = SvIVX(TOPs); | |
1953 | ||
28e5dec8 JH |
1954 | SP--; |
1955 | SETs(boolSV(aiv >= biv)); | |
1956 | RETURN; | |
1957 | } | |
1958 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
1b6737cc AL |
1959 | const UV auv = SvUVX(TOPm1s); |
1960 | const UV buv = SvUVX(TOPs); | |
1961 | ||
28e5dec8 JH |
1962 | SP--; |
1963 | SETs(boolSV(auv >= buv)); | |
1964 | RETURN; | |
1965 | } | |
1966 | if (auvok) { /* ## UV >= IV ## */ | |
1967 | UV auv; | |
1b6737cc AL |
1968 | const IV biv = SvIVX(TOPs); |
1969 | ||
28e5dec8 JH |
1970 | SP--; |
1971 | if (biv < 0) { | |
1972 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
1973 | SETs(&PL_sv_yes); | |
1974 | RETURN; | |
1975 | } | |
1976 | auv = SvUVX(TOPs); | |
28e5dec8 JH |
1977 | SETs(boolSV(auv >= (UV)biv)); |
1978 | RETURN; | |
1979 | } | |
1980 | { /* ## IV >= UV ## */ | |
1b6737cc | 1981 | const IV aiv = SvIVX(TOPm1s); |
28e5dec8 | 1982 | UV buv; |
1b6737cc | 1983 | |
28e5dec8 JH |
1984 | if (aiv < 0) { |
1985 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
1986 | SP--; | |
1987 | SETs(&PL_sv_no); | |
1988 | RETURN; | |
1989 | } | |
1990 | buv = SvUVX(TOPs); | |
1991 | SP--; | |
28e5dec8 JH |
1992 | SETs(boolSV((UV)aiv >= buv)); |
1993 | RETURN; | |
1994 | } | |
1995 | } | |
1996 | } | |
1997 | #endif | |
30de85b6 | 1998 | #ifndef NV_PRESERVES_UV |
50fb3111 NC |
1999 | #ifdef PERL_PRESERVE_IVUV |
2000 | else | |
2001 | #endif | |
0bdaccee | 2002 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
30de85b6 NC |
2003 | SP--; |
2004 | SETs(boolSV(SvRV(TOPs) >= SvRV(TOPp1s))); | |
2005 | RETURN; | |
2006 | } | |
2007 | #endif | |
a0d0e21e | 2008 | { |
cab190d4 JD |
2009 | #if defined(NAN_COMPARE_BROKEN) && defined(Perl_isnan) |
2010 | dPOPTOPnnrl; | |
2011 | if (Perl_isnan(left) || Perl_isnan(right)) | |
2012 | RETSETNO; | |
2013 | SETs(boolSV(left >= right)); | |
2014 | #else | |
a0d0e21e | 2015 | dPOPnv; |
54310121 | 2016 | SETs(boolSV(TOPn >= value)); |
cab190d4 | 2017 | #endif |
a0d0e21e | 2018 | RETURN; |
79072805 | 2019 | } |
a0d0e21e | 2020 | } |
79072805 | 2021 | |
a0d0e21e LW |
2022 | PP(pp_ne) |
2023 | { | |
97aff369 | 2024 | dVAR; dSP; tryAMAGICbinSET(ne,0); |
3bb2c415 | 2025 | #ifndef NV_PRESERVES_UV |
0bdaccee | 2026 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
e61d22ef NC |
2027 | SP--; |
2028 | SETs(boolSV(SvRV(TOPs) != SvRV(TOPp1s))); | |
3bb2c415 JH |
2029 | RETURN; |
2030 | } | |
2031 | #endif | |
28e5dec8 JH |
2032 | #ifdef PERL_PRESERVE_IVUV |
2033 | SvIV_please(TOPs); | |
2034 | if (SvIOK(TOPs)) { | |
2035 | SvIV_please(TOPm1s); | |
2036 | if (SvIOK(TOPm1s)) { | |
0bd48802 AL |
2037 | const bool auvok = SvUOK(TOPm1s); |
2038 | const bool buvok = SvUOK(TOPs); | |
a227d84d | 2039 | |
30de85b6 NC |
2040 | if (auvok == buvok) { /* ## IV == IV or UV == UV ## */ |
2041 | /* Casting IV to UV before comparison isn't going to matter | |
2042 | on 2s complement. On 1s complement or sign&magnitude | |
2043 | (if we have any of them) it could make negative zero | |
2044 | differ from normal zero. As I understand it. (Need to | |
2045 | check - is negative zero implementation defined behaviour | |
2046 | anyway?). NWC */ | |
1b6737cc AL |
2047 | const UV buv = SvUVX(POPs); |
2048 | const UV auv = SvUVX(TOPs); | |
2049 | ||
28e5dec8 JH |
2050 | SETs(boolSV(auv != buv)); |
2051 | RETURN; | |
2052 | } | |
2053 | { /* ## Mixed IV,UV ## */ | |
2054 | IV iv; | |
2055 | UV uv; | |
2056 | ||
2057 | /* != is commutative so swap if needed (save code) */ | |
2058 | if (auvok) { | |
2059 | /* swap. top of stack (b) is the iv */ | |
2060 | iv = SvIVX(TOPs); | |
2061 | SP--; | |
2062 | if (iv < 0) { | |
2063 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
2064 | SETs(&PL_sv_yes); | |
2065 | RETURN; | |
2066 | } | |
2067 | uv = SvUVX(TOPs); | |
2068 | } else { | |
2069 | iv = SvIVX(TOPm1s); | |
2070 | SP--; | |
2071 | if (iv < 0) { | |
2072 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
2073 | SETs(&PL_sv_yes); | |
2074 | RETURN; | |
2075 | } | |
2076 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
2077 | } | |
28e5dec8 JH |
2078 | SETs(boolSV((UV)iv != uv)); |
2079 | RETURN; | |
2080 | } | |
2081 | } | |
2082 | } | |
2083 | #endif | |
a0d0e21e | 2084 | { |
cab190d4 JD |
2085 | #if defined(NAN_COMPARE_BROKEN) && defined(Perl_isnan) |
2086 | dPOPTOPnnrl; | |
2087 | if (Perl_isnan(left) || Perl_isnan(right)) | |
2088 | RETSETYES; | |
2089 | SETs(boolSV(left != right)); | |
2090 | #else | |
a0d0e21e | 2091 | dPOPnv; |
54310121 | 2092 | SETs(boolSV(TOPn != value)); |
cab190d4 | 2093 | #endif |
a0d0e21e LW |
2094 | RETURN; |
2095 | } | |
79072805 LW |
2096 | } |
2097 | ||
a0d0e21e | 2098 | PP(pp_ncmp) |
79072805 | 2099 | { |
97aff369 | 2100 | dVAR; dSP; dTARGET; tryAMAGICbin(ncmp,0); |
d8c7644e | 2101 | #ifndef NV_PRESERVES_UV |
0bdaccee | 2102 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
0bd48802 AL |
2103 | const UV right = PTR2UV(SvRV(POPs)); |
2104 | const UV left = PTR2UV(SvRV(TOPs)); | |
e61d22ef | 2105 | SETi((left > right) - (left < right)); |
d8c7644e JH |
2106 | RETURN; |
2107 | } | |
2108 | #endif | |
28e5dec8 JH |
2109 | #ifdef PERL_PRESERVE_IVUV |
2110 | /* Fortunately it seems NaN isn't IOK */ | |
2111 | SvIV_please(TOPs); | |
2112 | if (SvIOK(TOPs)) { | |
2113 | SvIV_please(TOPm1s); | |
2114 | if (SvIOK(TOPm1s)) { | |
1b6737cc AL |
2115 | const bool leftuvok = SvUOK(TOPm1s); |
2116 | const bool rightuvok = SvUOK(TOPs); | |
28e5dec8 JH |
2117 | I32 value; |
2118 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
1b6737cc AL |
2119 | const IV leftiv = SvIVX(TOPm1s); |
2120 | const IV rightiv = SvIVX(TOPs); | |
28e5dec8 JH |
2121 | |
2122 | if (leftiv > rightiv) | |
2123 | value = 1; | |
2124 | else if (leftiv < rightiv) | |
2125 | value = -1; | |
2126 | else | |
2127 | value = 0; | |
2128 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
1b6737cc AL |
2129 | const UV leftuv = SvUVX(TOPm1s); |
2130 | const UV rightuv = SvUVX(TOPs); | |
28e5dec8 JH |
2131 | |
2132 | if (leftuv > rightuv) | |
2133 | value = 1; | |
2134 | else if (leftuv < rightuv) | |
2135 | value = -1; | |
2136 | else | |
2137 | value = 0; | |
2138 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
1b6737cc | 2139 | const IV rightiv = SvIVX(TOPs); |
28e5dec8 JH |
2140 | if (rightiv < 0) { |
2141 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
2142 | value = 1; | |
2143 | } else { | |
1b6737cc | 2144 | const UV leftuv = SvUVX(TOPm1s); |
83bac5dd | 2145 | if (leftuv > (UV)rightiv) { |
28e5dec8 JH |
2146 | value = 1; |
2147 | } else if (leftuv < (UV)rightiv) { | |
2148 | value = -1; | |
2149 | } else { | |
2150 | value = 0; | |
2151 | } | |
2152 | } | |
2153 | } else { /* ## IV <=> UV ## */ | |
1b6737cc | 2154 | const IV leftiv = SvIVX(TOPm1s); |
28e5dec8 JH |
2155 | if (leftiv < 0) { |
2156 | /* As (b) is a UV, it's >=0, so it must be < */ | |
2157 | value = -1; | |
2158 | } else { | |
1b6737cc | 2159 | const UV rightuv = SvUVX(TOPs); |
83bac5dd | 2160 | if ((UV)leftiv > rightuv) { |
28e5dec8 | 2161 | value = 1; |
83bac5dd | 2162 | } else if ((UV)leftiv < rightuv) { |
28e5dec8 JH |
2163 | value = -1; |
2164 | } else { | |
2165 | value = 0; | |
2166 | } | |
2167 | } | |
2168 | } | |
2169 | SP--; | |
2170 | SETi(value); | |
2171 | RETURN; | |
2172 | } | |
2173 | } | |
2174 | #endif | |
a0d0e21e LW |
2175 | { |
2176 | dPOPTOPnnrl; | |
2177 | I32 value; | |
79072805 | 2178 | |
a3540c92 | 2179 | #ifdef Perl_isnan |
1ad04cfd JH |
2180 | if (Perl_isnan(left) || Perl_isnan(right)) { |
2181 | SETs(&PL_sv_undef); | |
2182 | RETURN; | |
2183 | } | |
2184 | value = (left > right) - (left < right); | |
2185 | #else | |
ff0cee69 | 2186 | if (left == right) |
a0d0e21e | 2187 | value = 0; |
a0d0e21e LW |
2188 | else if (left < right) |
2189 | value = -1; | |
44a8e56a | 2190 | else if (left > right) |
2191 | value = 1; | |
2192 | else { | |
3280af22 | 2193 | SETs(&PL_sv_undef); |
44a8e56a | 2194 | RETURN; |
2195 | } | |
1ad04cfd | 2196 | #endif |
a0d0e21e LW |
2197 | SETi(value); |
2198 | RETURN; | |
79072805 | 2199 | } |
a0d0e21e | 2200 | } |
79072805 | 2201 | |
afd9910b | 2202 | PP(pp_sle) |
a0d0e21e | 2203 | { |
97aff369 | 2204 | dVAR; dSP; |
79072805 | 2205 | |
afd9910b NC |
2206 | int amg_type = sle_amg; |
2207 | int multiplier = 1; | |
2208 | int rhs = 1; | |
79072805 | 2209 | |
afd9910b NC |
2210 | switch (PL_op->op_type) { |
2211 | case OP_SLT: | |
2212 | amg_type = slt_amg; | |
2213 | /* cmp < 0 */ | |
2214 | rhs = 0; | |
2215 | break; | |
2216 | case OP_SGT: | |
2217 | amg_type = sgt_amg; | |
2218 | /* cmp > 0 */ | |
2219 | multiplier = -1; | |
2220 | rhs = 0; | |
2221 | break; | |
2222 | case OP_SGE: | |
2223 | amg_type = sge_amg; | |
2224 | /* cmp >= 0 */ | |
2225 | multiplier = -1; | |
2226 | break; | |
79072805 | 2227 | } |
79072805 | 2228 | |
afd9910b | 2229 | tryAMAGICbinSET_var(amg_type,0); |
a0d0e21e LW |
2230 | { |
2231 | dPOPTOPssrl; | |
1b6737cc | 2232 | const int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2233 | ? sv_cmp_locale(left, right) |
2234 | : sv_cmp(left, right)); | |
afd9910b | 2235 | SETs(boolSV(cmp * multiplier < rhs)); |
a0d0e21e LW |
2236 | RETURN; |
2237 | } | |
2238 | } | |
79072805 | 2239 | |
36477c24 | 2240 | PP(pp_seq) |
2241 | { | |
97aff369 | 2242 | dVAR; dSP; tryAMAGICbinSET(seq,0); |
36477c24 | 2243 | { |
2244 | dPOPTOPssrl; | |
54310121 | 2245 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
2246 | RETURN; |
2247 | } | |
2248 | } | |
79072805 | 2249 | |
a0d0e21e | 2250 | PP(pp_sne) |
79072805 | 2251 | { |
97aff369 | 2252 | dVAR; dSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
2253 | { |
2254 | dPOPTOPssrl; | |
54310121 | 2255 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 2256 | RETURN; |
463ee0b2 | 2257 | } |
79072805 LW |
2258 | } |
2259 | ||
a0d0e21e | 2260 | PP(pp_scmp) |
79072805 | 2261 | { |
97aff369 | 2262 | dVAR; dSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
2263 | { |
2264 | dPOPTOPssrl; | |
1b6737cc | 2265 | const int cmp = (IN_LOCALE_RUNTIME |
bbce6d69 | 2266 | ? sv_cmp_locale(left, right) |
2267 | : sv_cmp(left, right)); | |
2268 | SETi( cmp ); | |
a0d0e21e LW |
2269 | RETURN; |
2270 | } | |
2271 | } | |
79072805 | 2272 | |
55497cff | 2273 | PP(pp_bit_and) |
2274 | { | |
97aff369 | 2275 | dVAR; dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
2276 | { |
2277 | dPOPTOPssrl; | |
5b295bef RD |
2278 | SvGETMAGIC(left); |
2279 | SvGETMAGIC(right); | |
4633a7c4 | 2280 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2281 | if (PL_op->op_private & HINT_INTEGER) { |
1b6737cc | 2282 | const IV i = SvIV_nomg(left) & SvIV_nomg(right); |
972b05a9 | 2283 | SETi(i); |
d0ba1bd2 JH |
2284 | } |
2285 | else { | |
1b6737cc | 2286 | const UV u = SvUV_nomg(left) & SvUV_nomg(right); |
972b05a9 | 2287 | SETu(u); |
d0ba1bd2 | 2288 | } |
a0d0e21e LW |
2289 | } |
2290 | else { | |
533c011a | 2291 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2292 | SETTARG; |
2293 | } | |
2294 | RETURN; | |
2295 | } | |
2296 | } | |
79072805 | 2297 | |
a0d0e21e LW |
2298 | PP(pp_bit_or) |
2299 | { | |
3658c1f1 NC |
2300 | dVAR; dSP; dATARGET; |
2301 | const int op_type = PL_op->op_type; | |
2302 | ||
2303 | tryAMAGICbin_var((op_type == OP_BIT_OR ? bor_amg : bxor_amg), opASSIGN); | |
a0d0e21e LW |
2304 | { |
2305 | dPOPTOPssrl; | |
5b295bef RD |
2306 | SvGETMAGIC(left); |
2307 | SvGETMAGIC(right); | |
4633a7c4 | 2308 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2309 | if (PL_op->op_private & HINT_INTEGER) { |
3658c1f1 NC |
2310 | const IV l = (USE_LEFT(left) ? SvIV_nomg(left) : 0); |
2311 | const IV r = SvIV_nomg(right); | |
2312 | const IV result = op_type == OP_BIT_OR ? (l | r) : (l ^ r); | |
2313 | SETi(result); | |
d0ba1bd2 JH |
2314 | } |
2315 | else { | |
3658c1f1 NC |
2316 | const UV l = (USE_LEFT(left) ? SvUV_nomg(left) : 0); |
2317 | const UV r = SvUV_nomg(right); | |
2318 | const UV result = op_type == OP_BIT_OR ? (l | r) : (l ^ r); | |
2319 | SETu(result); | |
d0ba1bd2 | 2320 | } |
a0d0e21e LW |
2321 | } |
2322 | else { | |
3658c1f1 | 2323 | do_vop(op_type, TARG, left, right); |
a0d0e21e LW |
2324 | SETTARG; |
2325 | } | |
2326 | RETURN; | |
79072805 | 2327 | } |
a0d0e21e | 2328 | } |
79072805 | 2329 | |
a0d0e21e LW |
2330 | PP(pp_negate) |
2331 | { | |
97aff369 | 2332 | dVAR; dSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
2333 | { |
2334 | dTOPss; | |
1b6737cc | 2335 | const int flags = SvFLAGS(sv); |
5b295bef | 2336 | SvGETMAGIC(sv); |
28e5dec8 JH |
2337 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
2338 | /* It's publicly an integer, or privately an integer-not-float */ | |
2339 | oops_its_an_int: | |
9b0e499b GS |
2340 | if (SvIsUV(sv)) { |
2341 | if (SvIVX(sv) == IV_MIN) { | |
28e5dec8 | 2342 | /* 2s complement assumption. */ |
9b0e499b GS |
2343 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
2344 | RETURN; | |
2345 | } | |
2346 | else if (SvUVX(sv) <= IV_MAX) { | |
beccb14c | 2347 | SETi(-SvIVX(sv)); |
9b0e499b GS |
2348 | RETURN; |
2349 | } | |
2350 | } | |
2351 | else if (SvIVX(sv) != IV_MIN) { | |
2352 | SETi(-SvIVX(sv)); | |
2353 | RETURN; | |
2354 | } | |
28e5dec8 JH |
2355 | #ifdef PERL_PRESERVE_IVUV |
2356 | else { | |
2357 | SETu((UV)IV_MIN); | |
2358 | RETURN; | |
2359 | } | |
2360 | #endif | |
9b0e499b GS |
2361 | } |
2362 | if (SvNIOKp(sv)) | |
a0d0e21e | 2363 | SETn(-SvNV(sv)); |
4633a7c4 | 2364 | else if (SvPOKp(sv)) { |
a0d0e21e | 2365 | STRLEN len; |
c445ea15 | 2366 | const char * const s = SvPV_const(sv, len); |
bbce6d69 | 2367 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
2368 | sv_setpvn(TARG, "-", 1); |
2369 | sv_catsv(TARG, sv); | |
79072805 | 2370 | } |
a0d0e21e LW |
2371 | else if (*s == '+' || *s == '-') { |
2372 | sv_setsv(TARG, sv); | |
2373 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 2374 | } |
8eb28a70 JH |
2375 | else if (DO_UTF8(sv)) { |
2376 | SvIV_please(sv); | |
2377 | if (SvIOK(sv)) | |
2378 | goto oops_its_an_int; | |
2379 | if (SvNOK(sv)) | |
2380 | sv_setnv(TARG, -SvNV(sv)); | |
2381 | else { | |
2382 | sv_setpvn(TARG, "-", 1); | |
2383 | sv_catsv(TARG, sv); | |
2384 | } | |
834a4ddd | 2385 | } |
28e5dec8 | 2386 | else { |
8eb28a70 JH |
2387 | SvIV_please(sv); |
2388 | if (SvIOK(sv)) | |
2389 | goto oops_its_an_int; | |
2390 | sv_setnv(TARG, -SvNV(sv)); | |
28e5dec8 | 2391 | } |
a0d0e21e | 2392 | SETTARG; |
79072805 | 2393 | } |
4633a7c4 LW |
2394 | else |
2395 | SETn(-SvNV(sv)); | |
79072805 | 2396 | } |
a0d0e21e | 2397 | RETURN; |
79072805 LW |
2398 | } |
2399 | ||
a0d0e21e | 2400 | PP(pp_not) |
79072805 | 2401 | { |
97aff369 | 2402 | dVAR; dSP; tryAMAGICunSET(not); |
3280af22 | 2403 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 2404 | return NORMAL; |
79072805 LW |
2405 | } |
2406 | ||
a0d0e21e | 2407 | PP(pp_complement) |
79072805 | 2408 | { |
97aff369 | 2409 | dVAR; dSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
2410 | { |
2411 | dTOPss; | |
5b295bef | 2412 | SvGETMAGIC(sv); |
4633a7c4 | 2413 | if (SvNIOKp(sv)) { |
d0ba1bd2 | 2414 | if (PL_op->op_private & HINT_INTEGER) { |
1b6737cc | 2415 | const IV i = ~SvIV_nomg(sv); |
972b05a9 | 2416 | SETi(i); |
d0ba1bd2 JH |
2417 | } |
2418 | else { | |
1b6737cc | 2419 | const UV u = ~SvUV_nomg(sv); |
972b05a9 | 2420 | SETu(u); |
d0ba1bd2 | 2421 | } |
a0d0e21e LW |
2422 | } |
2423 | else { | |
51723571 | 2424 | register U8 *tmps; |
55497cff | 2425 | register I32 anum; |
a0d0e21e LW |
2426 | STRLEN len; |
2427 | ||
10516c54 | 2428 | (void)SvPV_nomg_const(sv,len); /* force check for uninit var */ |
891f9566 | 2429 | sv_setsv_nomg(TARG, sv); |
51723571 | 2430 | tmps = (U8*)SvPV_force(TARG, len); |
a0d0e21e | 2431 | anum = len; |
1d68d6cd | 2432 | if (SvUTF8(TARG)) { |
a1ca4561 | 2433 | /* Calculate exact length, let's not estimate. */ |
1d68d6cd | 2434 | STRLEN targlen = 0; |
ba210ebe | 2435 | STRLEN l; |
a1ca4561 YST |
2436 | UV nchar = 0; |
2437 | UV nwide = 0; | |
01f6e806 | 2438 | U8 * const send = tmps + len; |
74d49cd0 TS |
2439 | U8 * const origtmps = tmps; |
2440 | const UV utf8flags = UTF8_ALLOW_ANYUV; | |
1d68d6cd | 2441 | |
1d68d6cd | 2442 | while (tmps < send) { |
74d49cd0 TS |
2443 | const UV c = utf8n_to_uvchr(tmps, send-tmps, &l, utf8flags); |
2444 | tmps += l; | |
5bbb0b5a | 2445 | targlen += UNISKIP(~c); |
a1ca4561 YST |
2446 | nchar++; |
2447 | if (c > 0xff) | |
2448 | nwide++; | |
1d68d6cd SC |
2449 | } |
2450 | ||
2451 | /* Now rewind strings and write them. */ | |
74d49cd0 | 2452 | tmps = origtmps; |
a1ca4561 YST |
2453 | |
2454 | if (nwide) { | |
01f6e806 AL |
2455 | U8 *result; |
2456 | U8 *p; | |
2457 | ||
74d49cd0 | 2458 | Newx(result, targlen + 1, U8); |
01f6e806 | 2459 | p = result; |
a1ca4561 | 2460 | while (tmps < send) { |
74d49cd0 TS |
2461 | const UV c = utf8n_to_uvchr(tmps, send-tmps, &l, utf8flags); |
2462 | tmps += l; | |
01f6e806 | 2463 | p = uvchr_to_utf8_flags(p, ~c, UNICODE_ALLOW_ANY); |
a1ca4561 | 2464 | } |
01f6e806 | 2465 | *p = '\0'; |
c1c21316 NC |
2466 | sv_usepvn_flags(TARG, (char*)result, targlen, |
2467 | SV_HAS_TRAILING_NUL); | |
a1ca4561 YST |
2468 | SvUTF8_on(TARG); |
2469 | } | |
2470 | else { | |
01f6e806 AL |
2471 | U8 *result; |
2472 | U8 *p; | |
2473 | ||
74d49cd0 | 2474 | Newx(result, nchar + 1, U8); |
01f6e806 | 2475 | p = result; |
a1ca4561 | 2476 | while (tmps < send) { |
74d49cd0 TS |
2477 | const U8 c = (U8)utf8n_to_uvchr(tmps, send-tmps, &l, utf8flags); |
2478 | tmps += l; | |
01f6e806 | 2479 | *p++ = ~c; |
a1ca4561 | 2480 | } |
01f6e806 | 2481 | *p = '\0'; |
c1c21316 | 2482 | sv_usepvn_flags(TARG, (char*)result, nchar, SV_HAS_TRAILING_NUL); |
d0a21e00 | 2483 | SvUTF8_off(TARG); |
1d68d6cd | 2484 | } |
1d68d6cd SC |
2485 | SETs(TARG); |
2486 | RETURN; | |
2487 | } | |
a0d0e21e | 2488 | #ifdef LIBERAL |
51723571 JH |
2489 | { |
2490 | register long *tmpl; | |
2491 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
2492 | *tmps = ~*tmps; | |
2493 | tmpl = (long*)tmps; | |
bb7a0f54 | 2494 | for ( ; anum >= (I32)sizeof(long); anum -= (I32)sizeof(long), tmpl++) |
51723571 JH |
2495 | *tmpl = ~*tmpl; |
2496 | tmps = (U8*)tmpl; | |
2497 | } | |
a0d0e21e LW |
2498 | #endif |
2499 | for ( ; anum > 0; anum--, tmps++) | |
2500 | *tmps = ~*tmps; | |
2501 | ||
2502 | SETs(TARG); | |
2503 | } | |
2504 | RETURN; | |
2505 | } | |
79072805 LW |
2506 | } |
2507 | ||
a0d0e21e LW |
2508 | /* integer versions of some of the above */ |
2509 | ||
a0d0e21e | 2510 | PP(pp_i_multiply) |
79072805 | 2511 | { |
97aff369 | 2512 | dVAR; dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
2513 | { |
2514 | dPOPTOPiirl; | |
2515 | SETi( left * right ); | |
2516 | RETURN; | |
2517 | } | |
79072805 LW |
2518 | } |
2519 | ||
a0d0e21e | 2520 | PP(pp_i_divide) |
79072805 | 2521 | { |
ece1bcef | 2522 | IV num; |
97aff369 | 2523 | dVAR; dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
2524 | { |
2525 | dPOPiv; | |
2526 | if (value == 0) | |
ece1bcef SP |
2527 | DIE(aTHX_ "Illegal division by zero"); |
2528 | num = POPi; | |
a0cec769 YST |
2529 | |
2530 | /* avoid FPE_INTOVF on some platforms when num is IV_MIN */ | |
2531 | if (value == -1) | |
2532 | value = - num; | |
2533 | else | |
2534 | value = num / value; | |
a0d0e21e LW |
2535 | PUSHi( value ); |
2536 | RETURN; | |
2537 | } | |
79072805 LW |
2538 | } |
2539 | ||
224ec323 JH |
2540 | STATIC |
2541 | PP(pp_i_modulo_0) | |
2542 | { | |
2543 | /* This is the vanilla old i_modulo. */ | |
27da23d5 | 2544 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
224ec323 JH |
2545 | { |
2546 | dPOPTOPiirl; | |
2547 | if (!right) | |
2548 | DIE(aTHX_ "Illegal modulus zero"); | |
a0cec769 YST |
2549 | /* avoid FPE_INTOVF on some platforms when left is IV_MIN */ |
2550 | if (right == -1) | |
2551 | SETi( 0 ); | |
2552 | else | |
2553 | SETi( left % right ); | |
224ec323 JH |
2554 | RETURN; |
2555 | } | |
2556 | } | |
2557 | ||
11010fa3 | 2558 | #if defined(__GLIBC__) && IVSIZE == 8 |
224ec323 JH |
2559 | STATIC |
2560 | PP(pp_i_modulo_1) | |
2561 | { | |
224ec323 | 2562 | /* This is the i_modulo with the workaround for the _moddi3 bug |
fce2b89e | 2563 | * in (at least) glibc 2.2.5 (the PERL_ABS() the workaround). |
224ec323 | 2564 | * See below for pp_i_modulo. */ |
97aff369 | 2565 | dVAR; dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
224ec323 JH |
2566 | { |
2567 | dPOPTOPiirl; | |
2568 | if (!right) | |
2569 | DIE(aTHX_ "Illegal modulus zero"); | |
a0cec769 YST |
2570 | /* avoid FPE_INTOVF on some platforms when left is IV_MIN */ |
2571 | if (right == -1) | |
2572 | SETi( 0 ); | |
2573 | else | |
2574 | SETi( left % PERL_ABS(right) ); | |
224ec323 JH |
2575 | RETURN; |
2576 | } | |
224ec323 | 2577 | } |
fce2b89e | 2578 | #endif |
224ec323 | 2579 | |
a0d0e21e | 2580 | PP(pp_i_modulo) |
79072805 | 2581 | { |
27da23d5 | 2582 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
224ec323 JH |
2583 | { |
2584 | dPOPTOPiirl; | |
2585 | if (!right) | |
2586 | DIE(aTHX_ "Illegal modulus zero"); | |
2587 | /* The assumption is to use hereafter the old vanilla version... */ | |
2588 | PL_op->op_ppaddr = | |
2589 | PL_ppaddr[OP_I_MODULO] = | |
1c127fab | 2590 | Perl_pp_i_modulo_0; |
224ec323 JH |
2591 | /* .. but if we have glibc, we might have a buggy _moddi3 |
2592 | * (at least glicb 2.2.5 is known to have this bug), in other | |
2593 | * words our integer modulus with negative quad as the second | |
2594 | * argument might be broken. Test for this and re-patch the | |
2595 | * opcode dispatch table if that is the case, remembering to | |
2596 | * also apply the workaround so that this first round works | |
2597 | * right, too. See [perl #9402] for more information. */ | |
2598 | #if defined(__GLIBC__) && IVSIZE == 8 | |
2599 | { | |
2600 | IV l = 3; | |
2601 | IV r = -10; | |
2602 | /* Cannot do this check with inlined IV constants since | |
2603 | * that seems to work correctly even with the buggy glibc. */ | |
2604 | if (l % r == -3) { | |
2605 | /* Yikes, we have the bug. | |
2606 | * Patch in the workaround version. */ | |
2607 | PL_op->op_ppaddr = | |
2608 | PL_ppaddr[OP_I_MODULO] = | |
2609 | &Perl_pp_i_modulo_1; | |
2610 | /* Make certain we work right this time, too. */ | |
32fdb065 | 2611 | right = PERL_ABS(right); |
224ec323 JH |
2612 | } |
2613 | } | |
2614 | #endif | |
a0cec769 YST |
2615 | /* avoid FPE_INTOVF on some platforms when left is IV_MIN */ |
2616 | if (right == -1) | |
2617 | SETi( 0 ); | |
2618 | else | |
2619 | SETi( left % right ); | |
224ec323 JH |
2620 | RETURN; |
2621 | } | |
79072805 LW |
2622 | } |
2623 | ||
a0d0e21e | 2624 | PP(pp_i_add) |
79072805 | 2625 | { |
97aff369 | 2626 | dVAR; dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e | 2627 | { |
5e66d4f1 | 2628 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2629 | SETi( left + right ); |
2630 | RETURN; | |
79072805 | 2631 | } |
79072805 LW |
2632 | } |
2633 | ||
a0d0e21e | 2634 | PP(pp_i_subtract) |
79072805 | 2635 | { |
97aff369 | 2636 | dVAR; dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 2637 | { |
5e66d4f1 | 2638 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2639 | SETi( left - right ); |
2640 | RETURN; | |
79072805 | 2641 | } |
79072805 LW |
2642 | } |
2643 | ||
a0d0e21e | 2644 | PP(pp_i_lt) |
79072805 | 2645 | { |
97aff369 | 2646 | dVAR; dSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
2647 | { |
2648 | dPOPTOPiirl; | |
54310121 | 2649 | SETs(boolSV(left < right)); |
a0d0e21e LW |
2650 | RETURN; |
2651 | } | |
79072805 LW |
2652 | } |
2653 | ||
a0d0e21e | 2654 | PP(pp_i_gt) |
79072805 | 2655 | { |
97aff369 | 2656 | dVAR; dSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
2657 | { |
2658 | dPOPTOPiirl; | |
54310121 | 2659 | SETs(boolSV(left > right)); |
a0d0e21e LW |
2660 | RETURN; |
2661 | } | |
79072805 LW |
2662 | } |
2663 | ||
a0d0e21e | 2664 | PP(pp_i_le) |
79072805 | 2665 | { |
97aff369 | 2666 | dVAR; dSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
2667 | { |
2668 | dPOPTOPiirl; | |
54310121 | 2669 | SETs(boolSV(left <= right)); |
a0d0e21e | 2670 | RETURN; |
85e6fe83 | 2671 | } |
79072805 LW |
2672 | } |
2673 | ||
a0d0e21e | 2674 | PP(pp_i_ge) |
79072805 | 2675 | { |
97aff369 | 2676 | dVAR; dSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
2677 | { |
2678 | dPOPTOPiirl; | |
54310121 | 2679 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
2680 | RETURN; |
2681 | } | |
79072805 LW |
2682 | } |
2683 | ||
a0d0e21e | 2684 | PP(pp_i_eq) |
79072805 | 2685 | { |
97aff369 | 2686 | dVAR; dSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
2687 | { |
2688 | dPOPTOPiirl; | |
54310121 | 2689 | SETs(boolSV(left == right)); |
a0d0e21e LW |
2690 | RETURN; |
2691 | } | |
79072805 LW |
2692 | } |
2693 | ||
a0d0e21e | 2694 | PP(pp_i_ne) |
79072805 | 2695 | { |
97aff369 | 2696 | dVAR; dSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
2697 | { |
2698 | dPOPTOPiirl; | |
54310121 | 2699 | SETs(boolSV(left != right)); |
a0d0e21e LW |
2700 | RETURN; |
2701 | } | |
79072805 LW |
2702 | } |
2703 | ||
a0d0e21e | 2704 | PP(pp_i_ncmp) |
79072805 | 2705 | { |
97aff369 | 2706 | dVAR; dSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
2707 | { |
2708 | dPOPTOPiirl; | |
2709 | I32 value; | |
79072805 | 2710 | |
a0d0e21e | 2711 | if (left > right) |
79072805 | 2712 | value = 1; |
a0d0e21e | 2713 | else if (left < right) |
79072805 | 2714 | value = -1; |
a0d0e21e | 2715 | else |
79072805 | 2716 | value = 0; |
a0d0e21e LW |
2717 | SETi(value); |
2718 | RETURN; | |
79072805 | 2719 | } |
85e6fe83 LW |
2720 | } |
2721 | ||
2722 | PP(pp_i_negate) | |
2723 | { | |
97aff369 | 2724 | dVAR; dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
2725 | SETi(-TOPi); |
2726 | RETURN; | |
2727 | } | |
2728 | ||
79072805 LW |
2729 | /* High falutin' math. */ |
2730 | ||
2731 | PP(pp_atan2) | |
2732 | { | |
97aff369 | 2733 | dVAR; dSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
2734 | { |
2735 | dPOPTOPnnrl; | |
65202027 | 2736 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
2737 | RETURN; |
2738 | } | |
79072805 LW |
2739 | } |
2740 | ||
2741 | PP(pp_sin) | |
2742 | { | |
71302fe3 NC |
2743 | dVAR; dSP; dTARGET; |
2744 | int amg_type = sin_amg; | |
2745 | const char *neg_report = NULL; | |
bc81784a | 2746 | NV (*func)(NV) = Perl_sin; |
71302fe3 NC |
2747 | const int op_type = PL_op->op_type; |
2748 | ||
2749 | switch (op_type) { | |
2750 | case OP_COS: | |
2751 | amg_type = cos_amg; | |
bc81784a | 2752 | func = Perl_cos; |
71302fe3 NC |
2753 | break; |
2754 | case OP_EXP: | |
2755 | amg_type = exp_amg; | |
bc81784a | 2756 | func = Perl_exp; |
71302fe3 NC |
2757 | break; |
2758 | case OP_LOG: | |
2759 | amg_type = log_amg; | |
bc81784a | 2760 | func = Perl_log; |
71302fe3 NC |
2761 | neg_report = "log"; |
2762 | break; | |
2763 | case OP_SQRT: | |
2764 | amg_type = sqrt_amg; | |
bc81784a | 2765 | func = Perl_sqrt; |
71302fe3 NC |
2766 | neg_report = "sqrt"; |
2767 | break; | |
a0d0e21e | 2768 | } |
79072805 | 2769 | |
71302fe3 | 2770 | tryAMAGICun_var(amg_type); |
a0d0e21e | 2771 | { |
1b6737cc | 2772 | const NV value = POPn; |
71302fe3 NC |
2773 | if (neg_report) { |
2774 | if (op_type == OP_LOG ? (value <= 0.0) : (value < 0.0)) { | |
2775 | SET_NUMERIC_STANDARD(); | |
2776 | DIE(aTHX_ "Can't take %s of %"NVgf, neg_report, value); | |
2777 | } | |
2778 | } | |
2779 | XPUSHn(func(value)); | |
a0d0e21e LW |
2780 | RETURN; |
2781 | } | |
79072805 LW |
2782 | } |
2783 | ||
56cb0a1c AD |
2784 | /* Support Configure command-line overrides for rand() functions. |
2785 | After 5.005, perhaps we should replace this by Configure support | |
2786 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
2787 | compatibility by calling rand() but allow the user to override it. | |
2788 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
2789 | */ | |
85ab1d1d JH |
2790 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
2791 | in addition to rand(). So the overrides should not be needed any more. | |
2792 | --Jarkko Hietaniemi 27 September 1998 | |
2793 | */ | |
2794 | ||
2795 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 2796 | extern double drand48 (void); |
56cb0a1c AD |
2797 | #endif |
2798 | ||
79072805 LW |
2799 | PP(pp_rand) |
2800 | { | |
97aff369 | 2801 | dVAR; dSP; dTARGET; |
65202027 | 2802 | NV value; |
79072805 LW |
2803 | if (MAXARG < 1) |
2804 | value = 1.0; | |
2805 | else | |
2806 | value = POPn; | |
2807 | if (value == 0.0) | |
2808 | value = 1.0; | |
80252599 | 2809 | if (!PL_srand_called) { |
85ab1d1d | 2810 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 2811 | PL_srand_called = TRUE; |
93dc8474 | 2812 | } |
85ab1d1d | 2813 | value *= Drand01(); |
79072805 LW |
2814 | XPUSHn(value); |
2815 | RETURN; | |
2816 | } | |
2817 | ||
2818 | PP(pp_srand) | |
2819 | { | |
97aff369 | 2820 | dVAR; dSP; |
0bd48802 | 2821 | const UV anum = (MAXARG < 1) ? seed() : POPu; |
85ab1d1d | 2822 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 2823 | PL_srand_called = TRUE; |
79072805 LW |
2824 | EXTEND(SP, 1); |
2825 | RETPUSHYES; | |
2826 | } | |
2827 | ||
79072805 LW |
2828 | PP(pp_int) |
2829 | { | |
97aff369 | 2830 | dVAR; dSP; dTARGET; tryAMAGICun(int); |
774d564b | 2831 | { |
1b6737cc | 2832 | const IV iv = TOPi; /* attempt to convert to IV if possible. */ |
28e5dec8 JH |
2833 | /* XXX it's arguable that compiler casting to IV might be subtly |
2834 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
2835 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
2836 | relying on floating point to be accurate is a bug. */ | |
2837 | ||
922c4365 MHM |
2838 | if (!SvOK(TOPs)) |
2839 | SETu(0); | |
2840 | else if (SvIOK(TOPs)) { | |
28e5dec8 | 2841 | if (SvIsUV(TOPs)) { |
1b6737cc | 2842 | const UV uv = TOPu; |
28e5dec8 JH |
2843 | SETu(uv); |
2844 | } else | |
2845 | SETi(iv); | |
2846 | } else { | |
1b6737cc | 2847 | const NV value = TOPn; |
1048ea30 | 2848 | if (value >= 0.0) { |
28e5dec8 JH |
2849 | if (value < (NV)UV_MAX + 0.5) { |
2850 | SETu(U_V(value)); | |
2851 | } else { | |
059a1014 | 2852 | SETn(Perl_floor(value)); |
28e5dec8 | 2853 | } |
1048ea30 | 2854 | } |
28e5dec8 JH |
2855 | else { |
2856 | if (value > (NV)IV_MIN - 0.5) { | |
2857 | SETi(I_V(value)); | |
2858 | } else { | |
1bbae031 | 2859 | SETn(Perl_ceil(value)); |
28e5dec8 JH |
2860 | } |
2861 | } | |
774d564b | 2862 | } |
79072805 | 2863 | } |
79072805 LW |
2864 | RETURN; |
2865 | } | |
2866 | ||
463ee0b2 LW |
2867 | PP(pp_abs) |
2868 | { | |
97aff369 | 2869 | dVAR; dSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 2870 | { |
28e5dec8 | 2871 | /* This will cache the NV value if string isn't actually integer */ |
1b6737cc | 2872 | const IV iv = TOPi; |
a227d84d | 2873 | |
922c4365 MHM |
2874 | if (!SvOK(TOPs)) |
2875 | SETu(0); | |
2876 | else if (SvIOK(TOPs)) { | |
28e5dec8 JH |
2877 | /* IVX is precise */ |
2878 | if (SvIsUV(TOPs)) { | |
2879 | SETu(TOPu); /* force it to be numeric only */ | |
2880 | } else { | |
2881 | if (iv >= 0) { | |
2882 | SETi(iv); | |
2883 | } else { | |
2884 | if (iv != IV_MIN) { | |
2885 | SETi(-iv); | |
2886 | } else { | |
2887 | /* 2s complement assumption. Also, not really needed as | |
2888 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
2889 | SETu(IV_MIN); | |
2890 | } | |
a227d84d | 2891 | } |
28e5dec8 JH |
2892 | } |
2893 | } else{ | |
1b6737cc | 2894 | const NV value = TOPn; |
774d564b | 2895 | if (value < 0.0) |
1b6737cc | 2896 | SETn(-value); |
a4474c9e DD |
2897 | else |
2898 | SETn(value); | |
774d564b | 2899 | } |
a0d0e21e | 2900 | } |
774d564b | 2901 | RETURN; |
463ee0b2 LW |
2902 | } |
2903 | ||
79072805 LW |
2904 | PP(pp_oct) |
2905 | { | |
97aff369 | 2906 | dVAR; dSP; dTARGET; |
5c144d81 | 2907 | const char *tmps; |
53305cf1 | 2908 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
6f894ead | 2909 | STRLEN len; |
53305cf1 NC |
2910 | NV result_nv; |
2911 | UV result_uv; | |
1b6737cc | 2912 | SV* const sv = POPs; |
79072805 | 2913 | |
349d4f2f | 2914 | tmps = (SvPV_const(sv, len)); |
2bc69dc4 NIS |
2915 | if (DO_UTF8(sv)) { |
2916 | /* If Unicode, try to downgrade | |
2917 | * If not possible, croak. */ | |
1b6737cc | 2918 | SV* const tsv = sv_2mortal(newSVsv(sv)); |
2bc69dc4 NIS |
2919 | |
2920 | SvUTF8_on(tsv); | |
2921 | sv_utf8_downgrade(tsv, FALSE); | |
349d4f2f | 2922 | tmps = SvPV_const(tsv, len); |
2bc69dc4 | 2923 | } |
daa2adfd NC |
2924 | if (PL_op->op_type == OP_HEX) |
2925 | goto hex; | |
2926 | ||
6f894ead | 2927 | while (*tmps && len && isSPACE(*tmps)) |
53305cf1 | 2928 | tmps++, len--; |
9e24b6e2 | 2929 | if (*tmps == '0') |
53305cf1 | 2930 | tmps++, len--; |
daa2adfd NC |
2931 | if (*tmps == 'x') { |
2932 | hex: | |
53305cf1 | 2933 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
daa2adfd | 2934 | } |
9e24b6e2 | 2935 | else if (*tmps == 'b') |
53305cf1 | 2936 | result_uv = grok_bin (tmps, &len, &flags, &result_nv); |
464e2e8a | 2937 | else |
53305cf1 NC |
2938 | result_uv = grok_oct (tmps, &len, &flags, &result_nv); |
2939 | ||
2940 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
2941 | XPUSHn(result_nv); | |
2942 | } | |
2943 | else { | |
2944 | XPUSHu(result_uv); | |
2945 | } | |
79072805 LW |
2946 | RETURN; |
2947 | } | |
2948 | ||
2949 | /* String stuff. */ | |
2950 | ||
2951 | PP(pp_length) | |
2952 | { | |
97aff369 | 2953 | dVAR; dSP; dTARGET; |
0bd48802 | 2954 | SV * const sv = TOPs; |
a0ed51b3 | 2955 | |
92331800 NC |
2956 | if (SvAMAGIC(sv)) { |
2957 | /* For an overloaded scalar, we can't know in advance if it's going to | |
2958 | be UTF-8 or not. Also, we can't call sv_len_utf8 as it likes to | |
2959 | cache the length. Maybe that should be a documented feature of it. | |
2960 | */ | |
2961 | STRLEN len; | |
2962 | const char *const p = SvPV_const(sv, len); | |
2963 | ||
2964 | if (DO_UTF8(sv)) { | |
899be101 | 2965 | SETi(utf8_length((U8*)p, (U8*)p + len)); |
92331800 NC |
2966 | } |
2967 | else | |
2968 | SETi(len); | |
2969 | ||
2970 | } | |
2971 | else if (DO_UTF8(sv)) | |
7e2040f0 GS |
2972 | SETi(sv_len_utf8(sv)); |
2973 | else | |
2974 | SETi(sv_len(sv)); | |
79072805 LW |
2975 | RETURN; |
2976 | } | |
2977 | ||
2978 | PP(pp_substr) | |
2979 | { | |
97aff369 | 2980 | dVAR; dSP; dTARGET; |
79072805 | 2981 | SV *sv; |
9c5ffd7c | 2982 | I32 len = 0; |
463ee0b2 | 2983 | STRLEN curlen; |
9402d6ed | 2984 | STRLEN utf8_curlen; |
79072805 LW |
2985 | I32 pos; |
2986 | I32 rem; | |
84902520 | 2987 | I32 fail; |
e1ec3a88 AL |
2988 | const I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
2989 | const char *tmps; | |
fc15ae8f | 2990 | const I32 arybase = CopARYBASE_get(PL_curcop); |
9402d6ed | 2991 | SV *repl_sv = NULL; |
cbbf8932 | 2992 | const char *repl = NULL; |
7b8d334a | 2993 | STRLEN repl_len; |
1b6737cc | 2994 | const int num_args = PL_op->op_private & 7; |
13e30c65 | 2995 | bool repl_need_utf8_upgrade = FALSE; |
9402d6ed | 2996 | bool repl_is_utf8 = FALSE; |
79072805 | 2997 | |
20408e3c | 2998 | SvTAINTED_off(TARG); /* decontaminate */ |
7e2040f0 | 2999 | SvUTF8_off(TARG); /* decontaminate */ |
78f9721b SM |
3000 | if (num_args > 2) { |
3001 | if (num_args > 3) { | |
9402d6ed | 3002 | repl_sv = POPs; |
83003860 | 3003 | repl = SvPV_const(repl_sv, repl_len); |
9402d6ed | 3004 | repl_is_utf8 = DO_UTF8(repl_sv) && SvCUR(repl_sv); |
7b8d334a | 3005 | } |
79072805 | 3006 | len = POPi; |
5d82c453 | 3007 | } |
84902520 | 3008 | pos = POPi; |
79072805 | 3009 | sv = POPs; |
849ca7ee | 3010 | PUTBACK; |
9402d6ed JH |
3011 | if (repl_sv) { |
3012 | if (repl_is_utf8) { | |
3013 | if (!DO_UTF8(sv)) | |
3014 | sv_utf8_upgrade(sv); | |
3015 | } | |
13e30c65 JH |
3016 | else if (DO_UTF8(sv)) |
3017 | repl_need_utf8_upgrade = TRUE; | |
9402d6ed | 3018 | } |
5c144d81 | 3019 | tmps = SvPV_const(sv, curlen); |
7e2040f0 | 3020 | if (DO_UTF8(sv)) { |
9402d6ed JH |
3021 | utf8_curlen = sv_len_utf8(sv); |
3022 | if (utf8_curlen == curlen) | |
3023 | utf8_curlen = 0; | |
a0ed51b3 | 3024 | else |
9402d6ed | 3025 | curlen = utf8_curlen; |
a0ed51b3 | 3026 | } |
d1c2b58a | 3027 | else |
9402d6ed | 3028 | utf8_curlen = 0; |
a0ed51b3 | 3029 | |
84902520 TB |
3030 | if (pos >= arybase) { |
3031 | pos -= arybase; | |
3032 | rem = curlen-pos; | |
3033 | fail = rem; | |
78f9721b | 3034 | if (num_args > 2) { |
5d82c453 GA |
3035 | if (len < 0) { |
3036 | rem += len; | |
3037 | if (rem < 0) | |
3038 | rem = 0; | |
3039 | } | |
3040 | else if (rem > len) | |
3041 | rem = len; | |
3042 | } | |
68dc0745 | 3043 | } |
84902520 | 3044 | else { |
5d82c453 | 3045 | pos += curlen; |
78f9721b | 3046 | if (num_args < 3) |
5d82c453 GA |
3047 | rem = curlen; |
3048 | else if (len >= 0) { | |
3049 | rem = pos+len; | |
3050 | if (rem > (I32)curlen) | |
3051 | rem = curlen; | |
3052 | } | |
3053 | else { | |
3054 | rem = curlen+len; | |
3055 | if (rem < pos) | |
3056 | rem = pos; | |
3057 | } | |
3058 | if (pos < 0) | |
3059 | pos = 0; | |
3060 | fail = rem; | |
3061 | rem -= pos; | |
84902520 TB |
3062 | } |
3063 | if (fail < 0) { | |
e476b1b5 GS |
3064 | if (lvalue || repl) |
3065 | Perl_croak(aTHX_ "substr outside of string"); | |
3066 | if (ckWARN(WARN_SUBSTR)) | |
9014280d | 3067 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), "substr outside of string"); |
2304df62 AD |
3068 | RETPUSHUNDEF; |
3069 | } | |
79072805 | 3070 | else { |
1b6737cc AL |
3071 | const I32 upos = pos; |
3072 | const I32 urem = rem; | |
9402d6ed | 3073 | if (utf8_curlen) |
a0ed51b3 | 3074 | sv_pos_u2b(sv, &pos, &rem); |
79072805 | 3075 | tmps += pos; |
781e7547 DM |
3076 | /* we either return a PV or an LV. If the TARG hasn't been used |
3077 | * before, or is of that type, reuse it; otherwise use a mortal | |
3078 | * instead. Note that LVs can have an extended lifetime, so also | |
3079 | * dont reuse if refcount > 1 (bug #20933) */ | |
3080 | if (SvTYPE(TARG) > SVt_NULL) { | |
3081 | if ( (SvTYPE(TARG) == SVt_PVLV) | |
3082 | ? (!lvalue || SvREFCNT(TARG) > 1) | |
3083 | : lvalue) | |
3084 | { | |
3085 | TARG = sv_newmortal(); | |
3086 | } | |
3087 | } | |
3088 | ||
79072805 | 3089 | sv_setpvn(TARG, tmps, rem); |
12aa1545 | 3090 | #ifdef USE_LOCALE_COLLATE |
14befaf4 | 3091 | sv_unmagic(TARG, PERL_MAGIC_collxfrm); |
12aa1545 | 3092 | #endif |
9402d6ed | 3093 | if (utf8_curlen) |
7f66633b | 3094 | SvUTF8_on(TARG); |
f7928d6c | 3095 | if (repl) { |
13e30c65 JH |
3096 | SV* repl_sv_copy = NULL; |
3097 | ||
3098 | if (repl_need_utf8_upgrade) { | |
3099 | repl_sv_copy = newSVsv(repl_sv); | |
3100 | sv_utf8_upgrade(repl_sv_copy); | |
349d4f2f | 3101 | repl = SvPV_const(repl_sv_copy, repl_len); |
13e30c65 JH |
3102 | repl_is_utf8 = DO_UTF8(repl_sv_copy) && SvCUR(sv); |
3103 | } | |
c8faf1c5 | 3104 | sv_insert(sv, pos, rem, repl, repl_len); |
9402d6ed | 3105 | if (repl_is_utf8) |
f7928d6c | 3106 | SvUTF8_on(sv); |
9402d6ed JH |
3107 | if (repl_sv_copy) |
3108 | SvREFCNT_dec(repl_sv_copy); | |
f7928d6c | 3109 | } |
c8faf1c5 | 3110 | else if (lvalue) { /* it's an lvalue! */ |
dedeecda | 3111 | if (!SvGMAGICAL(sv)) { |
3112 | if (SvROK(sv)) { | |
13c5b33c | 3113 | SvPV_force_nolen(sv); |
599cee73 | 3114 | if (ckWARN(WARN_SUBSTR)) |
9014280d | 3115 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), |
599cee73 | 3116 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 3117 | } |
f7877b28 NC |
3118 | if (isGV_with_GP(sv)) |
3119 | SvPV_force_nolen(sv); | |
3120 | else if (SvOK(sv)) /* is it defined ? */ | |
7f66633b | 3121 | (void)SvPOK_only_UTF8(sv); |
dedeecda | 3122 | else |
3123 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
3124 | } | |
5f05dabc | 3125 | |
a0d0e21e LW |
3126 | if (SvTYPE(TARG) < SVt_PVLV) { |
3127 | sv_upgrade(TARG, SVt_PVLV); | |
c445ea15 | 3128 | sv_magic(TARG, NULL, PERL_MAGIC_substr, NULL, 0); |
ed6116ce | 3129 | } |
a0d0e21e | 3130 | |
5f05dabc | 3131 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
3132 | if (LvTARG(TARG) != sv) { |
3133 | if (LvTARG(TARG)) | |
3134 | SvREFCNT_dec(LvTARG(TARG)); | |
b37c2d43 | 3135 | LvTARG(TARG) = SvREFCNT_inc_simple(sv); |
6ff81951 | 3136 | } |
9aa983d2 JH |
3137 | LvTARGOFF(TARG) = upos; |
3138 | LvTARGLEN(TARG) = urem; | |
79072805 LW |
3139 | } |
3140 | } | |
849ca7ee | 3141 | SPAGAIN; |
79072805 LW |
3142 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
3143 | RETURN; | |
3144 | } | |
3145 | ||
3146 | PP(pp_vec) | |
3147 | { | |
97aff369 | 3148 | dVAR; dSP; dTARGET; |
1b6737cc AL |
3149 | register const IV size = POPi; |
3150 | register const IV offset = POPi; | |
3151 | register SV * const src = POPs; | |
3152 | const I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; | |
a0d0e21e | 3153 | |
81e118e0 JH |
3154 | SvTAINTED_off(TARG); /* decontaminate */ |
3155 | if (lvalue) { /* it's an lvalue! */ | |
24aef97f HS |
3156 | if (SvREFCNT(TARG) > 1) /* don't share the TARG (#20933) */ |
3157 | TARG = sv_newmortal(); | |
81e118e0 JH |
3158 | if (SvTYPE(TARG) < SVt_PVLV) { |
3159 | sv_upgrade(TARG, SVt_PVLV); | |
c445ea15 | 3160 | sv_magic(TARG, NULL, PERL_MAGIC_vec, NULL, 0); |
79072805 | 3161 | } |
81e118e0 JH |
3162 | LvTYPE(TARG) = 'v'; |
3163 | if (LvTARG(TARG) != src) { | |
3164 | if (LvTARG(TARG)) | |
3165 | SvREFCNT_dec(LvTARG(TARG)); | |
b37c2d43 | 3166 | LvTARG(TARG) = SvREFCNT_inc_simple(src); |
79072805 | 3167 | } |
81e118e0 JH |
3168 | LvTARGOFF(TARG) = offset; |
3169 | LvTARGLEN(TARG) = size; | |
79072805 LW |
3170 | } |
3171 | ||
81e118e0 | 3172 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
3173 | PUSHs(TARG); |
3174 | RETURN; | |
3175 | } | |
3176 | ||
3177 | PP(pp_index) | |
3178 | { | |
97aff369 | 3179 | dVAR; dSP; dTARGET; |
79072805 LW |
3180 | SV *big; |
3181 | SV *little; | |
c445ea15 | 3182 | SV *temp = NULL; |
ad66a58c | 3183 | STRLEN biglen; |
2723d216 | 3184 | STRLEN llen = 0; |
79072805 LW |
3185 | I32 offset; |
3186 | I32 retval; | |
73ee8be2 NC |
3187 | const char *big_p; |
3188 | const char *little_p; | |
fc15ae8f | 3189 | const I32 arybase = CopARYBASE_get(PL_curcop); |
2f040f7f NC |
3190 | bool big_utf8; |
3191 | bool little_utf8; | |
2723d216 | 3192 | const bool is_index = PL_op->op_type == OP_INDEX; |
79072805 | 3193 | |
2723d216 NC |
3194 | if (MAXARG >= 3) { |
3195 | /* arybase is in characters, like offset, so combine prior to the | |
3196 | UTF-8 to bytes calculation. */ | |
79072805 | 3197 | offset = POPi - arybase; |
2723d216 | 3198 | } |
79072805 LW |
3199 | little = POPs; |
3200 | big = POPs; | |
73ee8be2 NC |
3201 | big_p = SvPV_const(big, biglen); |
3202 | little_p = SvPV_const(little, llen); | |
3203 | ||
e609e586 NC |
3204 | big_utf8 = DO_UTF8(big); |
3205 | little_utf8 = DO_UTF8(little); | |
3206 | if (big_utf8 ^ little_utf8) { | |
3207 | /* One needs to be upgraded. */ | |
2f040f7f NC |
3208 | if (little_utf8 && !PL_encoding) { |
3209 | /* Well, maybe instead we might be able to downgrade the small | |
3210 | string? */ | |
1eced8f8 | 3211 | char * const pv = (char*)bytes_from_utf8((U8 *)little_p, &llen, |
2f040f7f NC |
3212 | &little_utf8); |
3213 | if (little_utf8) { | |
3214 | /* If the large string is ISO-8859-1, and it's not possible to | |
3215 | convert the small string to ISO-8859-1, then there is no | |
3216 | way that it could be found anywhere by index. */ | |
3217 | retval = -1; | |
3218 | goto fail; | |
3219 | } | |
e609e586 | 3220 | |
2f040f7f NC |
3221 | /* At this point, pv is a malloc()ed string. So donate it to temp |
3222 | to ensure it will get free()d */ | |
3223 | little = temp = newSV(0); | |
73ee8be2 NC |
3224 | sv_usepvn(temp, pv, llen); |
3225 | little_p = SvPVX(little); | |
e609e586 | 3226 | } else { |
73ee8be2 NC |
3227 | temp = little_utf8 |
3228 | ? newSVpvn(big_p, biglen) : newSVpvn(little_p, llen); | |
2f040f7f NC |
3229 | |
3230 | if (PL_encoding) { | |
3231 | sv_recode_to_utf8(temp, PL_encoding); | |
3232 | } else { | |
3233 | sv_utf8_upgrade(temp); | |
3234 | } | |
3235 | if (little_utf8) { | |
3236 | big = temp; | |
3237 | big_utf8 = TRUE; | |
73ee8be2 | 3238 | big_p = SvPV_const(big, biglen); |
2f040f7f NC |
3239 | } else { |
3240 | little = temp; | |
73ee8be2 | 3241 | little_p = SvPV_const(little, llen); |
2f040f7f | 3242 | } |
e609e586 NC |
3243 | } |
3244 | } | |
73ee8be2 NC |
3245 | if (SvGAMAGIC(big)) { |
3246 | /* Life just becomes a lot easier if I use a temporary here. | |
3247 | Otherwise I need to avoid calls to sv_pos_u2b(), which (dangerously) | |
3248 | will trigger magic and overloading again, as will fbm_instr() | |
3249 | */ | |
3250 | big = sv_2mortal(newSVpvn(big_p, biglen)); | |
3251 | if (big_utf8) | |
3252 | SvUTF8_on(big); | |
3253 | big_p = SvPVX(big); | |
3254 | } | |
e4e44778 | 3255 | if (SvGAMAGIC(little) || (is_index && !SvOK(little))) { |
73ee8be2 NC |
3256 | /* index && SvOK() is a hack. fbm_instr() calls SvPV_const, which will |
3257 | warn on undef, and we've already triggered a warning with the | |
3258 | SvPV_const some lines above. We can't remove that, as we need to | |
3259 | call some SvPV to trigger overloading early and find out if the | |
3260 | string is UTF-8. | |
3261 | This is all getting to messy. The API isn't quite clean enough, | |
3262 | because data access has side effects. | |
3263 | */ | |
3264 | little = sv_2mortal(newSVpvn(little_p, llen)); | |
3265 | if (little_utf8) | |
3266 | SvUTF8_on(little); | |
3267 | little_p = SvPVX(little); | |
3268 | } | |
e609e586 | 3269 | |
79072805 | 3270 | if (MAXARG < 3) |
2723d216 | 3271 | offset = is_index ? 0 : biglen; |
a0ed51b3 | 3272 | else { |
ad66a58c | 3273 | if (big_utf8 && offset > 0) |
a0ed51b3 | 3274 | sv_pos_u2b(big, &offset, 0); |
73ee8be2 NC |
3275 | if (!is_index) |
3276 | offset += llen; | |
a0ed51b3 | 3277 | } |
79072805 LW |
3278 | if (offset < 0) |
3279 | offset = 0; | |
ad66a58c NC |
3280 | else if (offset > (I32)biglen) |
3281 | offset = biglen; | |
73ee8be2 NC |
3282 | if (!(little_p = is_index |
3283 | ? fbm_instr((unsigned char*)big_p + offset, | |
3284 | (unsigned char*)big_p + biglen, little, 0) | |
3285 | : rninstr(big_p, big_p + offset, | |
3286 | little_p, little_p + llen))) | |
a0ed51b3 | 3287 | retval = -1; |
ad66a58c | 3288 | else { |
73ee8be2 | 3289 | retval = little_p - big_p; |
ad66a58c NC |
3290 | if (retval > 0 && big_utf8) |
3291 | sv_pos_b2u(big, &retval); | |
3292 | } | |
e609e586 NC |
3293 | if (temp) |
3294 | SvREFCNT_dec(temp); | |
2723d216 | 3295 | fail: |
a0ed51b3 | 3296 | PUSHi(retval + arybase); |
79072805 LW |
3297 | RETURN; |
3298 | } | |
3299 | ||
3300 | PP(pp_sprintf) | |
3301 | { | |
97aff369 | 3302 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 3303 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 3304 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
3305 | SP = ORIGMARK; |
3306 | PUSHTARG; | |
3307 | RETURN; | |
3308 | } | |
3309 | ||
79072805 LW |
3310 | PP(pp_ord) |
3311 | { | |
97aff369 | 3312 | dVAR; dSP; dTARGET; |
1eced8f8 | 3313 | |
7df053ec | 3314 | SV *argsv = POPs; |
ba210ebe | 3315 | STRLEN len; |
349d4f2f | 3316 | const U8 *s = (U8*)SvPV_const(argsv, len); |
121910a4 | 3317 | |
799ef3cb | 3318 | if (PL_encoding && SvPOK(argsv) && !DO_UTF8(argsv)) { |
1eced8f8 | 3319 | SV * const tmpsv = sv_2mortal(newSVsv(argsv)); |
799ef3cb | 3320 | s = (U8*)sv_recode_to_utf8(tmpsv, PL_encoding); |
121910a4 JH |
3321 | argsv = tmpsv; |
3322 | } | |
79072805 | 3323 | |
872c91ae | 3324 | XPUSHu(DO_UTF8(argsv) ? |
89ebb4a3 | 3325 | utf8n_to_uvchr(s, UTF8_MAXBYTES, 0, UTF8_ALLOW_ANYUV) : |
872c91ae | 3326 | (*s & 0xff)); |
68795e93 | 3327 | |
79072805 LW |
3328 | RETURN; |
3329 | } | |
3330 | ||
463ee0b2 LW |
3331 | PP(pp_chr) |
3332 | { | |
97aff369 | 3333 | dVAR; dSP; dTARGET; |
463ee0b2 | 3334 | char *tmps; |
8a064bd6 JH |
3335 | UV value; |
3336 | ||
3337 | if (((SvIOK_notUV(TOPs) && SvIV(TOPs) < 0) | |
3338 | || | |
3339 | (SvNOK(TOPs) && SvNV(TOPs) < 0.0))) { | |
3340 | if (IN_BYTES) { | |
3341 | value = POPu; /* chr(-1) eq chr(0xff), etc. */ | |
3342 | } else { | |
3343 | (void) POPs; /* Ignore the argument value. */ | |
3344 | value = UNICODE_REPLACEMENT; | |
3345 | } | |
3346 | } else { | |
3347 | value = POPu; | |
3348 | } | |
463ee0b2 | 3349 | |
862a34c6 | 3350 | SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 | 3351 | |
0064a8a9 | 3352 | if (value > 255 && !IN_BYTES) { |
eb160463 | 3353 | SvGROW(TARG, (STRLEN)UNISKIP(value)+1); |
62961d2e | 3354 | tmps = (char*)uvchr_to_utf8_flags((U8*)SvPVX(TARG), value, 0); |
349d4f2f | 3355 | SvCUR_set(TARG, tmps - SvPVX_const(TARG)); |
a0ed51b3 LW |
3356 | *tmps = '\0'; |
3357 | (void)SvPOK_only(TARG); | |
aa6ffa16 | 3358 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3359 | XPUSHs(TARG); |
3360 | RETURN; | |
3361 | } | |
3362 | ||
748a9306 | 3363 | SvGROW(TARG,2); |
463ee0b2 LW |
3364 | SvCUR_set(TARG, 1); |
3365 | tmps = SvPVX(TARG); | |
eb160463 | 3366 | *tmps++ = (char)value; |
748a9306 | 3367 | *tmps = '\0'; |
a0d0e21e | 3368 | (void)SvPOK_only(TARG); |
4c5ed6e2 | 3369 | |
88632417 | 3370 | if (PL_encoding && !IN_BYTES) { |
799ef3cb | 3371 | sv_recode_to_utf8(TARG, PL_encoding); |
88632417 JH |
3372 | tmps = SvPVX(TARG); |
3373 | if (SvCUR(TARG) == 0 || !is_utf8_string((U8*)tmps, SvCUR(TARG)) || | |
4c5ed6e2 TS |
3374 | UNICODE_IS_REPLACEMENT(utf8_to_uvchr((U8*)tmps, NULL))) { |
3375 | SvGROW(TARG, 2); | |
d5a15ac2 | 3376 | tmps = SvPVX(TARG); |
4c5ed6e2 TS |
3377 | SvCUR_set(TARG, 1); |
3378 | *tmps++ = (char)value; | |
88632417 | 3379 | *tmps = '\0'; |
4c5ed6e2 | 3380 | SvUTF8_off(TARG); |
88632417 JH |
3381 | } |
3382 | } | |
4c5ed6e2 | 3383 | |
463ee0b2 LW |
3384 | XPUSHs(TARG); |
3385 | RETURN; | |
3386 | } | |
3387 | ||
79072805 LW |
3388 | PP(pp_crypt) |
3389 | { | |
79072805 | 3390 | #ifdef HAS_CRYPT |
97aff369 | 3391 | dVAR; dSP; dTARGET; |
5f74f29c | 3392 | dPOPTOPssrl; |
85c16d83 | 3393 | STRLEN len; |
10516c54 | 3394 | const char *tmps = SvPV_const(left, len); |
2bc69dc4 | 3395 | |
85c16d83 | 3396 | if (DO_UTF8(left)) { |
2bc69dc4 | 3397 | /* If Unicode, try to downgrade. |
f2791508 JH |
3398 | * If not possible, croak. |
3399 | * Yes, we made this up. */ | |
1b6737cc | 3400 | SV* const tsv = sv_2mortal(newSVsv(left)); |
2bc69dc4 | 3401 | |
f2791508 | 3402 | SvUTF8_on(tsv); |
2bc69dc4 | 3403 | sv_utf8_downgrade(tsv, FALSE); |
349d4f2f | 3404 | tmps = SvPV_const(tsv, len); |
85c16d83 | 3405 | } |
05404ffe JH |
3406 | # ifdef USE_ITHREADS |
3407 | # ifdef HAS_CRYPT_R | |
3408 | if (!PL_reentrant_buffer->_crypt_struct_buffer) { | |
3409 | /* This should be threadsafe because in ithreads there is only | |
3410 | * one thread per interpreter. If this would not be true, | |
3411 | * we would need a mutex to protect this malloc. */ | |
3412 | PL_reentrant_buffer->_crypt_struct_buffer = | |
3413 | (struct crypt_data *)safemalloc(sizeof(struct crypt_data)); | |
3414 | #if defined(__GLIBC__) || defined(__EMX__) | |
3415 | if (PL_reentrant_buffer->_crypt_struct_buffer) { | |
3416 | PL_reentrant_buffer->_crypt_struct_buffer->initialized = 0; | |
3417 | /* work around glibc-2.2.5 bug */ | |
3418 | PL_reentrant_buffer->_crypt_struct_buffer->current_saltbits = 0; | |
3419 | } | |
05404ffe | 3420 | #endif |
6ab58e4d | 3421 | } |
05404ffe JH |
3422 | # endif /* HAS_CRYPT_R */ |
3423 | # endif /* USE_ITHREADS */ | |
5f74f29c | 3424 | # ifdef FCRYPT |
83003860 | 3425 | sv_setpv(TARG, fcrypt(tmps, SvPV_nolen_const(right))); |
5f74f29c | 3426 | # else |
83003860 | 3427 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV_nolen_const(right))); |
5f74f29c | 3428 | # endif |
4808266b JH |
3429 | SETs(TARG); |
3430 | RETURN; | |
79072805 | 3431 | #else |
b13b2135 | 3432 | DIE(aTHX_ |
79072805 LW |
3433 | "The crypt() function is unimplemented due to excessive paranoia."); |
3434 | #endif | |
79072805 LW |
3435 | } |
3436 | ||
3437 | PP(pp_ucfirst) | |
3438 | { | |
97aff369 | 3439 | dVAR; |
39644a26 | 3440 | dSP; |
d54190f6 | 3441 | SV *source = TOPs; |
a0ed51b3 | 3442 | STRLEN slen; |
d54190f6 NC |
3443 | STRLEN need; |
3444 | SV *dest; | |
3445 | bool inplace = TRUE; | |
3446 | bool doing_utf8; | |
12e9c124 | 3447 | const int op_type = PL_op->op_type; |
d54190f6 NC |
3448 | const U8 *s; |
3449 | U8 *d; | |
3450 | U8 tmpbuf[UTF8_MAXBYTES_CASE+1]; | |
3451 | STRLEN ulen; | |
3452 | STRLEN tculen; | |
3453 | ||
3454 | SvGETMAGIC(source); | |
3455 | if (SvOK(source)) { | |
3456 | s = (const U8*)SvPV_nomg_const(source, slen); | |
3457 | } else { | |
1eced8f8 | 3458 | s = (const U8*)""; |
d54190f6 NC |
3459 | slen = 0; |
3460 | } | |
a0ed51b3 | 3461 | |
d54190f6 NC |
3462 | if (slen && DO_UTF8(source) && UTF8_IS_START(*s)) { |
3463 | doing_utf8 = TRUE; | |
44bc797b | 3464 | utf8_to_uvchr(s, &ulen); |
12e9c124 NC |
3465 | if (op_type == OP_UCFIRST) { |
3466 | toTITLE_utf8(s, tmpbuf, &tculen); | |
3467 | } else { | |
3468 | toLOWER_utf8(s, tmpbuf, &tculen); | |
3469 | } | |
d54190f6 | 3470 | /* If the two differ, we definately cannot do inplace. */ |
1eced8f8 | 3471 | inplace = (ulen == tculen); |
d54190f6 NC |
3472 | need = slen + 1 - ulen + tculen; |
3473 | } else { | |
3474 | doing_utf8 = FALSE; | |
3475 | need = slen + 1; | |
3476 | } | |
3477 | ||
3478 | if (SvPADTMP(source) && !SvREADONLY(source) && inplace) { | |
3479 | /* We can convert in place. */ | |
3480 | ||
3481 | dest = source; | |
3482 | s = d = (U8*)SvPV_force_nomg(source, slen); | |
3483 | } else { | |
3484 | dTARGET; | |
3485 | ||
3486 | dest = TARG; | |
3487 | ||
3488 | SvUPGRADE(dest, SVt_PV); | |
3b416f41 | 3489 | d = (U8*)SvGROW(dest, need); |
d54190f6 NC |
3490 | (void)SvPOK_only(dest); |
3491 | ||
3492 | SETs(dest); | |
3493 | ||
3494 | inplace = FALSE; | |
3495 | } | |
44bc797b | 3496 | |
d54190f6 NC |
3497 | if (doing_utf8) { |
3498 | if(!inplace) { | |
3a2263fe RGS |
3499 | /* slen is the byte length of the whole SV. |
3500 | * ulen is the byte length of the original Unicode character | |
3501 | * stored as UTF-8 at s. | |
12e9c124 NC |
3502 | * tculen is the byte length of the freshly titlecased (or |
3503 | * lowercased) Unicode character stored as UTF-8 at tmpbuf. | |
3504 | * We first set the result to be the titlecased (/lowercased) | |
3505 | * character, and then append the rest of the SV data. */ | |
d54190f6 | 3506 | sv_setpvn(dest, (char*)tmpbuf, tculen); |
3a2263fe | 3507 | if (slen > ulen) |
d54190f6 NC |
3508 | sv_catpvn(dest, (char*)(s + ulen), slen - ulen); |
3509 | SvUTF8_on(dest); | |
a0ed51b3 LW |
3510 | } |
3511 | else { | |
d54190f6 NC |
3512 | Copy(tmpbuf, d, tculen, U8); |
3513 | SvCUR_set(dest, need - 1); | |
a0ed51b3 | 3514 | } |
a0ed51b3 | 3515 | } |
626727d5 | 3516 | else { |
d54190f6 | 3517 | if (*s) { |
2de3dbcc | 3518 | if (IN_LOCALE_RUNTIME) { |
31351b04 | 3519 | TAINT; |
d54190f6 NC |
3520 | SvTAINTED_on(dest); |
3521 | *d = (op_type == OP_UCFIRST) | |
3522 | ? toUPPER_LC(*s) : toLOWER_LC(*s); | |
31351b04 JS |
3523 | } |
3524 | else | |
d54190f6 NC |
3525 | *d = (op_type == OP_UCFIRST) ? toUPPER(*s) : toLOWER(*s); |
3526 | } else { | |
3527 | /* See bug #39028 */ | |
3528 | *d = *s; | |
3529 | } | |
3530 | ||
3531 | if (SvUTF8(source)) | |
3532 | SvUTF8_on(dest); | |
3533 | ||
3534 | if (!inplace) { | |
3535 | /* This will copy the trailing NUL */ | |
3536 | Copy(s + 1, d + 1, slen, U8); | |
3537 | SvCUR_set(dest, need - 1); | |
bbce6d69 | 3538 | } |
bbce6d69 | 3539 | } |
d54190f6 | 3540 | SvSETMAGIC(dest); |
79072805 LW |
3541 | RETURN; |
3542 | } | |
3543 | ||
67306194 NC |
3544 | /* There's so much setup/teardown code common between uc and lc, I wonder if |
3545 | it would be worth merging the two, and just having a switch outside each | |
3546 | of the three tight loops. */ | |
79072805 LW |
3547 | PP(pp_uc) |
3548 | { | |
97aff369 | 3549 | dVAR; |
39644a26 | 3550 | dSP; |
67306194 | 3551 | SV *source = TOPs; |
463ee0b2 | 3552 | STRLEN len; |
67306194 NC |
3553 | STRLEN min; |
3554 | SV *dest; | |
3555 | const U8 *s; | |
3556 | U8 *d; | |
79072805 | 3557 | |
67306194 NC |
3558 | SvGETMAGIC(source); |
3559 | ||
3560 | if (SvPADTMP(source) && !SvREADONLY(source) && !SvAMAGIC(source) | |
3561 | && !DO_UTF8(source)) { | |
3562 | /* We can convert in place. */ | |
3563 | ||
3564 | dest = source; | |
3565 | s = d = (U8*)SvPV_force_nomg(source, len); | |
3566 | min = len + 1; | |
3567 | } else { | |
a0ed51b3 | 3568 | dTARGET; |
a0ed51b3 | 3569 | |
67306194 | 3570 | dest = TARG; |
128c9517 | 3571 | |
67306194 NC |
3572 | /* The old implementation would copy source into TARG at this point. |
3573 | This had the side effect that if source was undef, TARG was now | |
3574 | an undefined SV with PADTMP set, and they don't warn inside | |
3575 | sv_2pv_flags(). However, we're now getting the PV direct from | |
3576 | source, which doesn't have PADTMP set, so it would warn. Hence the | |
3577 | little games. */ | |
3578 | ||
3579 | if (SvOK(source)) { | |
3580 | s = (const U8*)SvPV_nomg_const(source, len); | |
3581 | } else { | |
1eced8f8 | 3582 | s = (const U8*)""; |
67306194 | 3583 | len = 0; |
a0ed51b3 | 3584 | } |
67306194 NC |
3585 | min = len + 1; |
3586 | ||
3587 | SvUPGRADE(dest, SVt_PV); | |
3b416f41 | 3588 | d = (U8*)SvGROW(dest, min); |
67306194 NC |
3589 | (void)SvPOK_only(dest); |
3590 | ||
3591 | SETs(dest); | |
a0ed51b3 | 3592 | } |
31351b04 | 3593 | |
67306194 NC |
3594 | /* Overloaded values may have toggled the UTF-8 flag on source, so we need |
3595 | to check DO_UTF8 again here. */ | |
3596 | ||
3597 | if (DO_UTF8(source)) { | |
3598 | const U8 *const send = s + len; | |
3599 | U8 tmpbuf[UTF8_MAXBYTES+1]; | |
3600 | ||
3601 | while (s < send) { | |
3602 | const STRLEN u = UTF8SKIP(s); | |
3603 | STRLEN ulen; | |
3604 | ||
3605 | toUPPER_utf8(s, tmpbuf, &ulen); | |
3606 | if (ulen > u && (SvLEN(dest) < (min += ulen - u))) { | |
3607 | /* If the eventually required minimum size outgrows | |
3608 | * the available space, we need to grow. */ | |
3609 | const UV o = d - (U8*)SvPVX_const(dest); | |
3610 | ||
3611 | /* If someone uppercases one million U+03B0s we SvGROW() one | |
3612 | * million times. Or we could try guessing how much to | |
3613 | allocate without allocating too much. Such is life. */ | |
3614 | SvGROW(dest, min); | |
3615 | d = (U8*)SvPVX(dest) + o; | |
3616 | } | |
3617 | Copy(tmpbuf, d, ulen, U8); | |
3618 | d += ulen; | |
3619 | s += u; | |
3620 | } | |
3621 | SvUTF8_on(dest); | |
3622 | *d = '\0'; | |
3623 | SvCUR_set(dest, d - (U8*)SvPVX_const(dest)); | |
3624 | } else { | |
3625 | if (len) { | |
3626 | const U8 *const send = s + len; | |
2de3dbcc | 3627 | if (IN_LOCALE_RUNTIME) { |
31351b04 | 3628 | TAINT; |
67306194 NC |
3629 | SvTAINTED_on(dest); |
3630 | for (; s < send; d++, s++) | |
3631 | *d = toUPPER_LC(*s); | |
31351b04 JS |
3632 | } |
3633 | else { | |
67306194 NC |
3634 | for (; s < send; d++, s++) |
3635 | *d = toUPPER(*s); | |
31351b04 | 3636 | } |
bbce6d69 | 3637 | } |
67306194 NC |
3638 | if (source != dest) { |
3639 | *d = '\0'; | |
3640 | SvCUR_set(dest, d - (U8*)SvPVX_const(dest)); | |
3641 | } | |
79072805 | 3642 | } |
67306194 | 3643 | SvSETMAGIC(dest); |
79072805 LW |
3644 | RETURN; |
3645 | } | |
3646 | ||
3647 | PP(pp_lc) | |
3648 | { | |
97aff369 | 3649 | dVAR; |
39644a26 | 3650 | dSP; |
ec9af7d4 | 3651 | SV *source = TOPs; |
463ee0b2 | 3652 | STRLEN len; |
ec9af7d4 NC |
3653 | STRLEN min; |
3654 | SV *dest; | |
3655 | const U8 *s; | |
3656 | U8 *d; | |
79072805 | 3657 | |
ec9af7d4 NC |
3658 | SvGETMAGIC(source); |
3659 | ||
3660 | if (SvPADTMP(source) && !SvREADONLY(source) && !SvAMAGIC(source) | |
3661 | && !DO_UTF8(source)) { | |
3662 | /* We can convert in place. */ | |
3663 | ||
3664 | dest = source; | |
3665 | s = d = (U8*)SvPV_force_nomg(source, len); | |
3666 | min = len + 1; | |
3667 | } else { | |
a0ed51b3 | 3668 | dTARGET; |
a0ed51b3 | 3669 | |
ec9af7d4 NC |
3670 | dest = TARG; |
3671 | ||
3672 | /* The old implementation would copy source into TARG at this point. | |
3673 | This had the side effect that if source was undef, TARG was now | |
3674 | an undefined SV with PADTMP set, and they don't warn inside | |
3675 | sv_2pv_flags(). However, we're now getting the PV direct from | |
3676 | source, which doesn't have PADTMP set, so it would warn. Hence the | |
3677 | little games. */ | |
3678 | ||
3679 | if (SvOK(source)) { | |
3680 | s = (const U8*)SvPV_nomg_const(source, len); | |
3681 | } else { | |
1eced8f8 | 3682 | s = (const U8*)""; |
ec9af7d4 | 3683 | len = 0; |
a0ed51b3 | 3684 | } |
ec9af7d4 | 3685 | min = len + 1; |
128c9517 | 3686 | |
ec9af7d4 | 3687 | SvUPGRADE(dest, SVt_PV); |
3b416f41 | 3688 | d = (U8*)SvGROW(dest, min); |
ec9af7d4 NC |
3689 | (void)SvPOK_only(dest); |
3690 | ||
3691 | SETs(dest); | |
3692 | } | |
3693 | ||
3694 | /* Overloaded values may have toggled the UTF-8 flag on source, so we need | |
3695 | to check DO_UTF8 again here. */ | |
3696 | ||
3697 | if (DO_UTF8(source)) { | |
3698 | const U8 *const send = s + len; | |
3699 | U8 tmpbuf[UTF8_MAXBYTES_CASE+1]; | |
3700 | ||
3701 | while (s < send) { | |
3702 | const STRLEN u = UTF8SKIP(s); | |
3703 | STRLEN ulen; | |
3704 | const UV uv = toLOWER_utf8(s, tmpbuf, &ulen); | |
89ebb4a3 JH |
3705 | |
3706 | #define GREEK_CAPITAL_LETTER_SIGMA 0x03A3 /* Unicode U+03A3 */ | |
ec9af7d4 NC |
3707 | if (uv == GREEK_CAPITAL_LETTER_SIGMA) { |
3708 | NOOP; | |
3709 | /* | |
3710 | * Now if the sigma is NOT followed by | |
3711 | * /$ignorable_sequence$cased_letter/; | |
3712 | * and it IS preceded by /$cased_letter$ignorable_sequence/; | |
3713 | * where $ignorable_sequence is [\x{2010}\x{AD}\p{Mn}]* | |
3714 | * and $cased_letter is [\p{Ll}\p{Lo}\p{Lt}] | |
3715 | * then it should be mapped to 0x03C2, | |
3716 | * (GREEK SMALL LETTER FINAL SIGMA), | |
3717 | * instead of staying 0x03A3. | |
3718 | * "should be": in other words, this is not implemented yet. | |
3719 | * See lib/unicore/SpecialCasing.txt. | |
3720 | */ | |
3721 | } | |
3722 | if (ulen > u && (SvLEN(dest) < (min += ulen - u))) { | |
3723 | /* If the eventually required minimum size outgrows | |
3724 | * the available space, we need to grow. */ | |
3725 | const UV o = d - (U8*)SvPVX_const(dest); | |
89ebb4a3 | 3726 | |
ec9af7d4 NC |
3727 | /* If someone lowercases one million U+0130s we SvGROW() one |
3728 | * million times. Or we could try guessing how much to | |
3729 | allocate without allocating too much. Such is life. */ | |
3730 | SvGROW(dest, min); | |
3731 | d = (U8*)SvPVX(dest) + o; | |
a0ed51b3 | 3732 | } |
ec9af7d4 NC |
3733 | Copy(tmpbuf, d, ulen, U8); |
3734 | d += ulen; | |
3735 | s += u; | |
a0ed51b3 | 3736 | } |
ec9af7d4 NC |
3737 | SvUTF8_on(dest); |
3738 | *d = '\0'; | |
3739 | SvCUR_set(dest, d - (U8*)SvPVX_const(dest)); | |
3740 | } else { | |
31351b04 | 3741 | if (len) { |
ec9af7d4 | 3742 | const U8 *const send = s + len; |
2de3dbcc | 3743 | if (IN_LOCALE_RUNTIME) { |
31351b04 | 3744 | TAINT; |
ec9af7d4 NC |
3745 | SvTAINTED_on(dest); |
3746 | for (; s < send; d++, s++) | |
3747 | *d = toLOWER_LC(*s); | |
31351b04 JS |
3748 | } |
3749 | else { | |
ec9af7d4 NC |
3750 | for (; s < send; d++, s++) |
3751 | *d = toLOWER(*s); | |
31351b04 | 3752 | } |
bbce6d69 | 3753 | } |
ec9af7d4 NC |
3754 | if (source != dest) { |
3755 | *d = '\0'; | |
3756 | SvCUR_set(dest, d - (U8*)SvPVX_const(dest)); | |
3757 | } | |
79072805 | 3758 | } |
ec9af7d4 | 3759 | SvSETMAGIC(dest); |
79072805 LW |
3760 | RETURN; |
3761 | } | |
3762 | ||
a0d0e21e | 3763 | PP(pp_quotemeta) |
79072805 | 3764 | { |
97aff369 | 3765 | dVAR; dSP; dTARGET; |
1b6737cc | 3766 | SV * const sv = TOPs; |
a0d0e21e | 3767 | STRLEN len; |
0d46e09a | 3768 | register const char *s = SvPV_const(sv,len); |
79072805 | 3769 | |
7e2040f0 | 3770 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 3771 | if (len) { |
1b6737cc | 3772 | register char *d; |
862a34c6 | 3773 | SvUPGRADE(TARG, SVt_PV); |
c07a80fd | 3774 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 3775 | d = SvPVX(TARG); |
7e2040f0 | 3776 | if (DO_UTF8(sv)) { |
0dd2cdef | 3777 | while (len) { |
fd400ab9 | 3778 | if (UTF8_IS_CONTINUED(*s)) { |
0dd2cdef LW |
3779 | STRLEN ulen = UTF8SKIP(s); |
3780 | if (ulen > len) | |
3781 | ulen = len; | |
3782 | len -= ulen; | |
3783 | while (ulen--) | |
3784 | *d++ = *s++; | |
3785 | } | |
3786 | else { | |
3787 | if (!isALNUM(*s)) | |
3788 | *d++ = '\\'; | |
3789 | *d++ = *s++; | |
3790 | len--; | |
3791 | } | |
3792 | } | |
7e2040f0 | 3793 | SvUTF8_on(TARG); |
0dd2cdef LW |
3794 | } |
3795 | else { | |
3796 | while (len--) { | |
3797 | if (!isALNUM(*s)) | |
3798 | *d++ = '\\'; | |
3799 | *d++ = *s++; | |
3800 | } | |
79072805 | 3801 | } |
a0d0e21e | 3802 | *d = '\0'; |
349d4f2f | 3803 | SvCUR_set(TARG, d - SvPVX_const(TARG)); |
3aa33fe5 | 3804 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 3805 | } |
a0d0e21e LW |
3806 | else |
3807 | sv_setpvn(TARG, s, len); | |
3808 | SETs(TARG); | |
31351b04 JS |
3809 | if (SvSMAGICAL(TARG)) |
3810 | mg_set(TARG); | |
79072805 LW |
3811 | RETURN; |
3812 | } | |
3813 | ||
a0d0e21e | 3814 | /* Arrays. */ |
79072805 | 3815 | |
a0d0e21e | 3816 | PP(pp_aslice) |
79072805 | 3817 | { |
97aff369 | 3818 | dVAR; dSP; dMARK; dORIGMARK; |
1b6737cc AL |
3819 | register AV* const av = (AV*)POPs; |
3820 | register const I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); | |
79072805 | 3821 | |
a0d0e21e | 3822 | if (SvTYPE(av) == SVt_PVAV) { |
fc15ae8f | 3823 | const I32 arybase = CopARYBASE_get(PL_curcop); |
533c011a | 3824 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
1b6737cc | 3825 | register SV **svp; |
748a9306 | 3826 | I32 max = -1; |
924508f0 | 3827 | for (svp = MARK + 1; svp <= SP; svp++) { |
1b6737cc | 3828 | const I32 elem = SvIVx(*svp); |
748a9306 LW |
3829 | if (elem > max) |
3830 | max = elem; | |
3831 | } | |
3832 | if (max > AvMAX(av)) | |
3833 | av_extend(av, max); | |
3834 | } | |
a0d0e21e | 3835 | while (++MARK <= SP) { |
1b6737cc AL |
3836 | register SV **svp; |
3837 | I32 elem = SvIVx(*MARK); | |
a0d0e21e | 3838 | |
748a9306 LW |
3839 | if (elem > 0) |
3840 | elem -= arybase; | |
a0d0e21e LW |
3841 | svp = av_fetch(av, elem, lval); |
3842 | if (lval) { | |
3280af22 | 3843 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 3844 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 3845 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 3846 | save_aelem(av, elem, svp); |
79072805 | 3847 | } |
3280af22 | 3848 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3849 | } |
3850 | } | |
748a9306 | 3851 | if (GIMME != G_ARRAY) { |
a0d0e21e | 3852 | MARK = ORIGMARK; |
04ab2c87 | 3853 | *++MARK = SP > ORIGMARK ? *SP : &PL_sv_undef; |
a0d0e21e LW |
3854 | SP = MARK; |
3855 | } | |
79072805 LW |
3856 | RETURN; |
3857 | } | |
3858 | ||
3859 | /* Associative arrays. */ | |
3860 | ||
3861 | PP(pp_each) | |
3862 | { | |
97aff369 | 3863 | dVAR; |
39644a26 | 3864 | dSP; |
1b6737cc | 3865 | HV * const hash = (HV*)POPs; |
c07a80fd | 3866 | HE *entry; |
f54cb97a | 3867 | const I32 gimme = GIMME_V; |
8ec5e241 | 3868 | |
c07a80fd | 3869 | PUTBACK; |
c750a3ec | 3870 | /* might clobber stack_sp */ |
6d822dc4 | 3871 | entry = hv_iternext(hash); |
c07a80fd | 3872 | SPAGAIN; |
79072805 | 3873 | |
79072805 LW |
3874 | EXTEND(SP, 2); |
3875 | if (entry) { | |
1b6737cc | 3876 | SV* const sv = hv_iterkeysv(entry); |
574c8022 | 3877 | PUSHs(sv); /* won't clobber stack_sp */ |
54310121 | 3878 | if (gimme == G_ARRAY) { |
59af0135 | 3879 | SV *val; |
c07a80fd | 3880 | PUTBACK; |
c750a3ec | 3881 | /* might clobber stack_sp */ |
6d822dc4 | 3882 | val = hv_iterval(hash, entry); |
c07a80fd | 3883 | SPAGAIN; |
59af0135 | 3884 | PUSHs(val); |
79072805 | 3885 | } |
79072805 | 3886 | } |
54310121 | 3887 | else if (gimme == G_SCALAR) |
79072805 LW |
3888 | RETPUSHUNDEF; |
3889 | ||
3890 | RETURN; | |
3891 | } | |
3892 | ||
79072805 LW |
3893 | PP(pp_delete) |
3894 | { | |
97aff369 | 3895 | dVAR; |
39644a26 | 3896 | dSP; |
f54cb97a AL |
3897 | const I32 gimme = GIMME_V; |
3898 | const I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
5f05dabc | 3899 | |
533c011a | 3900 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 3901 | dMARK; dORIGMARK; |
1b6737cc AL |
3902 | HV * const hv = (HV*)POPs; |
3903 | const U32 hvtype = SvTYPE(hv); | |
01020589 GS |
3904 | if (hvtype == SVt_PVHV) { /* hash element */ |
3905 | while (++MARK <= SP) { | |
1b6737cc | 3906 | SV * const sv = hv_delete_ent(hv, *MARK, discard, 0); |
01020589 GS |
3907 | *MARK = sv ? sv : &PL_sv_undef; |
3908 | } | |
5f05dabc | 3909 | } |
6d822dc4 MS |
3910 | else if (hvtype == SVt_PVAV) { /* array element */ |
3911 | if (PL_op->op_flags & OPf_SPECIAL) { | |
3912 | while (++MARK <= SP) { | |
1b6737cc | 3913 | SV * const sv = av_delete((AV*)hv, SvIV(*MARK), discard); |
6d822dc4 MS |
3914 | *MARK = sv ? sv : &PL_sv_undef; |
3915 | } | |
3916 | } | |
01020589 GS |
3917 | } |
3918 | else | |
3919 | DIE(aTHX_ "Not a HASH reference"); | |
54310121 | 3920 | if (discard) |
3921 | SP = ORIGMARK; | |
3922 | else if (gimme == G_SCALAR) { | |
5f05dabc | 3923 | MARK = ORIGMARK; |
9111c9c0 DM |
3924 | if (SP > MARK) |
3925 | *++MARK = *SP; | |
3926 | else | |
3927 | *++MARK = &PL_sv_undef; | |
5f05dabc | 3928 | SP = MARK; |
3929 | } | |
3930 | } | |
3931 | else { | |
3932 | SV *keysv = POPs; | |
1b6737cc AL |
3933 | HV * const hv = (HV*)POPs; |
3934 | SV *sv; | |
97fcbf96 MB |
3935 | if (SvTYPE(hv) == SVt_PVHV) |
3936 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
01020589 GS |
3937 | else if (SvTYPE(hv) == SVt_PVAV) { |
3938 | if (PL_op->op_flags & OPf_SPECIAL) | |
3939 | sv = av_delete((AV*)hv, SvIV(keysv), discard); | |
af288a60 HS |
3940 | else |
3941 | DIE(aTHX_ "panic: avhv_delete no longer supported"); | |
01020589 | 3942 | } |
97fcbf96 | 3943 | else |
cea2e8a9 | 3944 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 3945 | if (!sv) |
3280af22 | 3946 | sv = &PL_sv_undef; |
54310121 | 3947 | if (!discard) |
3948 | PUSHs(sv); | |
79072805 | 3949 | } |
79072805 LW |
3950 | RETURN; |
3951 | } | |
3952 | ||
a0d0e21e | 3953 | PP(pp_exists) |
79072805 | 3954 | { |
97aff369 | 3955 | dVAR; |
39644a26 | 3956 | dSP; |
afebc493 GS |
3957 | SV *tmpsv; |
3958 | HV *hv; | |
3959 | ||
3960 | if (PL_op->op_private & OPpEXISTS_SUB) { | |
3961 | GV *gv; | |
0bd48802 | 3962 | SV * const sv = POPs; |
f2c0649b | 3963 | CV * const cv = sv_2cv(sv, &hv, &gv, 0); |
afebc493 GS |
3964 | if (cv) |
3965 | RETPUSHYES; | |
3966 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) | |
3967 | RETPUSHYES; | |
3968 | RETPUSHNO; | |
3969 | } | |
3970 | tmpsv = POPs; | |
3971 | hv = (HV*)POPs; | |
c750a3ec | 3972 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 3973 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 3974 | RETPUSHYES; |
ef54e1a4 JH |
3975 | } |
3976 | else if (SvTYPE(hv) == SVt_PVAV) { | |
01020589 GS |
3977 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
3978 | if (av_exists((AV*)hv, SvIV(tmpsv))) | |
3979 | RETPUSHYES; | |
3980 | } | |
ef54e1a4 JH |
3981 | } |
3982 | else { | |
cea2e8a9 | 3983 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 3984 | } |
a0d0e21e LW |
3985 | RETPUSHNO; |
3986 | } | |
79072805 | 3987 | |
a0d0e21e LW |
3988 | PP(pp_hslice) |
3989 | { | |
97aff369 | 3990 | dVAR; dSP; dMARK; dORIGMARK; |
1b6737cc AL |
3991 | register HV * const hv = (HV*)POPs; |
3992 | register const I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); | |
3993 | const bool localizing = PL_op->op_private & OPpLVAL_INTRO; | |
eb85dfd3 | 3994 | bool other_magic = FALSE; |
79072805 | 3995 | |
eb85dfd3 DM |
3996 | if (localizing) { |
3997 | MAGIC *mg; | |
3998 | HV *stash; | |
3999 | ||
4000 | other_magic = mg_find((SV*)hv, PERL_MAGIC_env) || | |
4001 | ((mg = mg_find((SV*)hv, PERL_MAGIC_tied)) | |
4002 | /* Try to preserve the existenceness of a tied hash | |
4003 | * element by using EXISTS and DELETE if possible. | |
4004 | * Fallback to FETCH and STORE otherwise */ | |
4005 | && (stash = SvSTASH(SvRV(SvTIED_obj((SV*)hv, mg)))) | |
4006 | && gv_fetchmethod_autoload(stash, "EXISTS", TRUE) | |
4007 | && gv_fetchmethod_autoload(stash, "DELETE", TRUE)); | |
4008 | } | |
4009 | ||
6d822dc4 | 4010 | while (++MARK <= SP) { |
1b6737cc | 4011 | SV * const keysv = *MARK; |
6d822dc4 MS |
4012 | SV **svp; |
4013 | HE *he; | |
4014 | bool preeminent = FALSE; | |
0ebe0038 | 4015 | |
6d822dc4 MS |
4016 | if (localizing) { |
4017 | preeminent = SvRMAGICAL(hv) && !other_magic ? 1 : | |
4018 | hv_exists_ent(hv, keysv, 0); | |
4019 | } | |
eb85dfd3 | 4020 | |
6d822dc4 MS |
4021 | he = hv_fetch_ent(hv, keysv, lval, 0); |
4022 | svp = he ? &HeVAL(he) : 0; | |
eb85dfd3 | 4023 | |
6d822dc4 MS |
4024 | if (lval) { |
4025 | if (!svp || *svp == &PL_sv_undef) { | |
ce5030a2 | 4026 | DIE(aTHX_ PL_no_helem_sv, keysv); |
6d822dc4 MS |
4027 | } |
4028 | if (localizing) { | |
7a2e501a RD |
4029 | if (HvNAME_get(hv) && isGV(*svp)) |
4030 | save_gp((GV*)*svp, !(PL_op->op_flags & OPf_SPECIAL)); | |
4031 | else { | |
4032 | if (preeminent) | |
4033 | save_helem(hv, keysv, svp); | |
4034 | else { | |
4035 | STRLEN keylen; | |
d4c19fe8 | 4036 | const char * const key = SvPV_const(keysv, keylen); |
919acde0 | 4037 | SAVEDELETE(hv, savepvn(key,keylen), |
f5992bc4 | 4038 | SvUTF8(keysv) ? -(I32)keylen : (I32)keylen); |
7a2e501a RD |
4039 | } |
4040 | } | |
6d822dc4 MS |
4041 | } |
4042 | } | |
4043 | *MARK = svp ? *svp : &PL_sv_undef; | |
79072805 | 4044 | } |
a0d0e21e LW |
4045 | if (GIMME != G_ARRAY) { |
4046 | MARK = ORIGMARK; | |
04ab2c87 | 4047 | *++MARK = SP > ORIGMARK ? *SP : &PL_sv_undef; |
a0d0e21e | 4048 | SP = MARK; |
79072805 | 4049 | } |
a0d0e21e LW |
4050 | RETURN; |
4051 | } | |
4052 | ||
4053 | /* List operators. */ | |
4054 | ||
4055 | PP(pp_list) | |
4056 | { | |
97aff369 | 4057 | dVAR; dSP; dMARK; |
a0d0e21e LW |
4058 | if (GIMME != G_ARRAY) { |
4059 | if (++MARK <= SP) | |
4060 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 4061 | else |
3280af22 | 4062 | *MARK = &PL_sv_undef; |
a0d0e21e | 4063 | SP = MARK; |
79072805 | 4064 | } |
a0d0e21e | 4065 | RETURN; |
79072805 LW |
4066 | } |
4067 | ||
a0d0e21e | 4068 | PP(pp_lslice) |
79072805 | 4069 | { |
97aff369 | 4070 | dVAR; |
39644a26 | 4071 | dSP; |
1b6737cc AL |
4072 | SV ** const lastrelem = PL_stack_sp; |
4073 | SV ** const lastlelem = PL_stack_base + POPMARK; | |
4074 | SV ** const firstlelem = PL_stack_base + POPMARK + 1; | |
4075 | register SV ** const firstrelem = lastlelem + 1; | |
fc15ae8f | 4076 | const I32 arybase = CopARYBASE_get(PL_curcop); |
42e73ed0 | 4077 | I32 is_something_there = FALSE; |
1b6737cc AL |
4078 | |
4079 | register const I32 max = lastrelem - lastlelem; | |
a0d0e21e | 4080 | register SV **lelem; |
a0d0e21e LW |
4081 | |
4082 | if (GIMME != G_ARRAY) { | |
1b6737cc | 4083 | I32 ix = SvIVx(*lastlelem); |
748a9306 LW |
4084 | if (ix < 0) |
4085 | ix += max; | |
4086 | else | |
4087 | ix -= arybase; | |
a0d0e21e | 4088 | if (ix < 0 || ix >= max) |
3280af22 | 4089 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
4090 | else |
4091 | *firstlelem = firstrelem[ix]; | |
4092 | SP = firstlelem; | |
4093 | RETURN; | |
4094 | } | |
4095 | ||
4096 | if (max == 0) { | |
4097 | SP = firstlelem - 1; | |
4098 | RETURN; | |
4099 | } | |
4100 | ||
4101 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
1b6737cc | 4102 | I32 ix = SvIVx(*lelem); |
c73bf8e3 | 4103 | if (ix < 0) |
a0d0e21e | 4104 | ix += max; |
b13b2135 | 4105 | else |
748a9306 | 4106 | ix -= arybase; |
c73bf8e3 HS |
4107 | if (ix < 0 || ix >= max) |
4108 | *lelem = &PL_sv_undef; | |
4109 | else { | |
4110 | is_something_there = TRUE; | |
4111 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 4112 | *lelem = &PL_sv_undef; |
748a9306 | 4113 | } |
79072805 | 4114 | } |
4633a7c4 LW |
4115 | if (is_something_there) |
4116 | SP = lastlelem; | |
4117 | else | |
4118 | SP = firstlelem - 1; | |
79072805 LW |
4119 | RETURN; |
4120 | } | |
4121 | ||
a0d0e21e LW |
4122 | PP(pp_anonlist) |
4123 | { | |
97aff369 | 4124 | dVAR; dSP; dMARK; dORIGMARK; |
1b6737cc | 4125 | const I32 items = SP - MARK; |
78c72037 | 4126 | SV * const av = (SV *) av_make(items, MARK+1); |
44a8e56a | 4127 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ |
78c72037 NC |
4128 | XPUSHs(sv_2mortal((PL_op->op_flags & OPf_SPECIAL) |
4129 | ? newRV_noinc(av) : av)); | |
a0d0e21e LW |
4130 | RETURN; |
4131 | } | |
4132 | ||
4133 | PP(pp_anonhash) | |
79072805 | 4134 | { |
97aff369 | 4135 | dVAR; dSP; dMARK; dORIGMARK; |
78c72037 | 4136 | HV* const hv = newHV(); |
a0d0e21e LW |
4137 | |
4138 | while (MARK < SP) { | |
1b6737cc | 4139 | SV * const key = *++MARK; |
561b68a9 | 4140 | SV * const val = newSV(0); |
a0d0e21e LW |
4141 | if (MARK < SP) |
4142 | sv_setsv(val, *++MARK); | |
e476b1b5 | 4143 | else if (ckWARN(WARN_MISC)) |
9014280d | 4144 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Odd number of elements in anonymous hash"); |
f12c7020 | 4145 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 4146 | } |
a0d0e21e | 4147 | SP = ORIGMARK; |
78c72037 NC |
4148 | XPUSHs(sv_2mortal((PL_op->op_flags & OPf_SPECIAL) |
4149 | ? newRV_noinc((SV*) hv) : (SV*)hv)); | |
79072805 LW |
4150 | RETURN; |
4151 | } | |
4152 | ||
a0d0e21e | 4153 | PP(pp_splice) |
79072805 | 4154 | { |
27da23d5 | 4155 | dVAR; dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
4156 | register AV *ary = (AV*)*++MARK; |
4157 | register SV **src; | |
4158 | register SV **dst; | |
4159 | register I32 i; | |
4160 | register I32 offset; | |
4161 | register I32 length; | |
4162 | I32 newlen; | |
4163 | I32 after; | |
4164 | I32 diff; | |
1b6737cc | 4165 | const MAGIC * const mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied); |
93965878 | 4166 | |
1b6737cc | 4167 | if (mg) { |
33c27489 | 4168 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 | 4169 | PUSHMARK(MARK); |
8ec5e241 | 4170 | PUTBACK; |
a60c0954 | 4171 | ENTER; |
864dbfa3 | 4172 | call_method("SPLICE",GIMME_V); |
a60c0954 | 4173 | LEAVE; |
93965878 NIS |
4174 | SPAGAIN; |
4175 | RETURN; | |
4176 | } | |
79072805 | 4177 | |
a0d0e21e | 4178 | SP++; |
79072805 | 4179 | |
a0d0e21e | 4180 | if (++MARK < SP) { |
84902520 | 4181 | offset = i = SvIVx(*MARK); |
a0d0e21e | 4182 | if (offset < 0) |
93965878 | 4183 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 4184 | else |
fc15ae8f | 4185 | offset -= CopARYBASE_get(PL_curcop); |
84902520 | 4186 | if (offset < 0) |
cea2e8a9 | 4187 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |
4188 | if (++MARK < SP) { |
4189 | length = SvIVx(*MARK++); | |
48cdf507 GA |
4190 | if (length < 0) { |
4191 | length += AvFILLp(ary) - offset + 1; | |
4192 | if (length < 0) | |
4193 | length = 0; | |
4194 | } | |
79072805 LW |
4195 | } |
4196 | else | |
a0d0e21e | 4197 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 4198 | } |
a0d0e21e LW |
4199 | else { |
4200 | offset = 0; | |
4201 | length = AvMAX(ary) + 1; | |
4202 | } | |
8cbc2e3b JH |
4203 | if (offset > AvFILLp(ary) + 1) { |
4204 | if (ckWARN(WARN_MISC)) | |
9014280d | 4205 | Perl_warner(aTHX_ packWARN(WARN_MISC), "splice() offset past end of array" ); |
93965878 | 4206 | offset = AvFILLp(ary) + 1; |
8cbc2e3b | 4207 | } |
93965878 | 4208 | after = AvFILLp(ary) + 1 - (offset + length); |
a0d0e21e LW |
4209 | if (after < 0) { /* not that much array */ |
4210 | length += after; /* offset+length now in array */ | |
4211 | after = 0; | |
4212 | if (!AvALLOC(ary)) | |
4213 | av_extend(ary, 0); | |
4214 | } | |
4215 | ||
4216 | /* At this point, MARK .. SP-1 is our new LIST */ | |
4217 | ||
4218 | newlen = SP - MARK; | |
4219 | diff = newlen - length; | |
13d7cbc1 GS |
4220 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
4221 | av_reify(ary); | |
a0d0e21e | 4222 | |
50528de0 WL |
4223 | /* make new elements SVs now: avoid problems if they're from the array */ |
4224 | for (dst = MARK, i = newlen; i; i--) { | |
1b6737cc | 4225 | SV * const h = *dst; |
f2b990bf | 4226 | *dst++ = newSVsv(h); |
50528de0 WL |
4227 | } |
4228 | ||
a0d0e21e | 4229 | if (diff < 0) { /* shrinking the area */ |
95b63a38 | 4230 | SV **tmparyval = NULL; |
a0d0e21e | 4231 | if (newlen) { |
a02a5408 | 4232 | Newx(tmparyval, newlen, SV*); /* so remember insertion */ |
a0d0e21e | 4233 | Copy(MARK, tmparyval, newlen, SV*); |
79072805 | 4234 | } |
a0d0e21e LW |
4235 | |
4236 | MARK = ORIGMARK + 1; | |
4237 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
4238 | MEXTEND(MARK, length); | |
4239 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
4240 | if (AvREAL(ary)) { | |
bbce6d69 | 4241 | EXTEND_MORTAL(length); |
36477c24 | 4242 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 4243 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 4244 | dst++; |
4245 | } | |
a0d0e21e LW |
4246 | } |
4247 | MARK += length - 1; | |
79072805 | 4248 | } |
a0d0e21e LW |
4249 | else { |
4250 | *MARK = AvARRAY(ary)[offset+length-1]; | |
4251 | if (AvREAL(ary)) { | |
d689ffdd | 4252 | sv_2mortal(*MARK); |
a0d0e21e LW |
4253 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
4254 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 4255 | } |
a0d0e21e | 4256 | } |
93965878 | 4257 | AvFILLp(ary) += diff; |
a0d0e21e LW |
4258 | |
4259 | /* pull up or down? */ | |
4260 | ||
4261 | if (offset < after) { /* easier to pull up */ | |
4262 | if (offset) { /* esp. if nothing to pull */ | |
4263 | src = &AvARRAY(ary)[offset-1]; | |
4264 | dst = src - diff; /* diff is negative */ | |
4265 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
4266 | *dst-- = *src--; | |
79072805 | 4267 | } |
a0d0e21e | 4268 | dst = AvARRAY(ary); |
f880fe2f | 4269 | SvPV_set(ary, (char*)(AvARRAY(ary) - diff)); /* diff is negative */ |
a0d0e21e LW |
4270 | AvMAX(ary) += diff; |
4271 | } | |
4272 | else { | |
4273 | if (after) { /* anything to pull down? */ | |
4274 | src = AvARRAY(ary) + offset + length; | |
4275 | dst = src + diff; /* diff is negative */ | |
4276 | Move(src, dst, after, SV*); | |
79072805 | 4277 | } |
93965878 | 4278 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
4279 | /* avoid later double free */ |
4280 | } | |
4281 | i = -diff; | |
4282 | while (i) | |
3280af22 | 4283 | dst[--i] = &PL_sv_undef; |
a0d0e21e LW |
4284 | |
4285 | if (newlen) { | |
50528de0 | 4286 | Copy( tmparyval, AvARRAY(ary) + offset, newlen, SV* ); |
a0d0e21e LW |
4287 | Safefree(tmparyval); |
4288 | } | |
4289 | } | |
4290 | else { /* no, expanding (or same) */ | |
d3961450 | 4291 | SV** tmparyval = NULL; |
a0d0e21e | 4292 | if (length) { |
a02a5408 | 4293 | Newx(tmparyval, length, SV*); /* so remember deletion */ |
a0d0e21e LW |
4294 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); |
4295 | } | |
4296 | ||
4297 | if (diff > 0) { /* expanding */ | |
a0d0e21e | 4298 | /* push up or down? */ |
a0d0e21e LW |
4299 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { |
4300 | if (offset) { | |
4301 | src = AvARRAY(ary); | |
4302 | dst = src - diff; | |
4303 | Move(src, dst, offset, SV*); | |
79072805 | 4304 | } |
f880fe2f | 4305 | SvPV_set(ary, (char*)(AvARRAY(ary) - diff));/* diff is positive */ |
a0d0e21e | 4306 | AvMAX(ary) += diff; |
93965878 | 4307 | AvFILLp(ary) += diff; |
79072805 LW |
4308 | } |
4309 | else { | |
93965878 NIS |
4310 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
4311 | av_extend(ary, AvFILLp(ary) + diff); | |
4312 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
4313 | |
4314 | if (after) { | |
93965878 | 4315 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
4316 | src = dst - diff; |
4317 | for (i = after; i; i--) { | |
4318 | *dst-- = *src--; | |
4319 | } | |
79072805 LW |
4320 | } |
4321 | } | |
a0d0e21e LW |
4322 | } |
4323 | ||
50528de0 WL |
4324 | if (newlen) { |
4325 | Copy( MARK, AvARRAY(ary) + offset, newlen, SV* ); | |
a0d0e21e | 4326 | } |
50528de0 | 4327 | |
a0d0e21e LW |
4328 | MARK = ORIGMARK + 1; |
4329 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
4330 | if (length) { | |
4331 | Copy(tmparyval, MARK, length, SV*); | |
4332 | if (AvREAL(ary)) { | |
bbce6d69 | 4333 | EXTEND_MORTAL(length); |
36477c24 | 4334 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 4335 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 4336 | dst++; |
4337 | } | |
79072805 LW |
4338 | } |
4339 | } | |
a0d0e21e LW |
4340 | MARK += length - 1; |
4341 | } | |
4342 | else if (length--) { | |
4343 | *MARK = tmparyval[length]; | |
4344 | if (AvREAL(ary)) { | |
d689ffdd | 4345 | sv_2mortal(*MARK); |
a0d0e21e LW |
4346 | while (length-- > 0) |
4347 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 4348 | } |
79072805 | 4349 | } |
a0d0e21e | 4350 | else |
3280af22 | 4351 | *MARK = &PL_sv_undef; |
d3961450 | 4352 | Safefree(tmparyval); |
79072805 | 4353 | } |
a0d0e21e | 4354 | SP = MARK; |
79072805 LW |
4355 | RETURN; |
4356 | } | |
4357 | ||
a0d0e21e | 4358 | PP(pp_push) |
79072805 | 4359 | { |
27da23d5 | 4360 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
1eced8f8 | 4361 | register AV * const ary = (AV*)*++MARK; |
1b6737cc | 4362 | const MAGIC * const mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied); |
79072805 | 4363 | |
1b6737cc | 4364 | if (mg) { |
33c27489 | 4365 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 NIS |
4366 | PUSHMARK(MARK); |
4367 | PUTBACK; | |
a60c0954 | 4368 | ENTER; |
864dbfa3 | 4369 | call_method("PUSH",G_SCALAR|G_DISCARD); |
a60c0954 | 4370 | LEAVE; |
93965878 | 4371 | SPAGAIN; |
0a75904b TP |
4372 | SP = ORIGMARK; |
4373 | PUSHi( AvFILL(ary) + 1 ); | |
93965878 | 4374 | } |
a60c0954 | 4375 | else { |
a60c0954 | 4376 | for (++MARK; MARK <= SP; MARK++) { |
561b68a9 | 4377 | SV * const sv = newSV(0); |
a60c0954 NIS |
4378 | if (*MARK) |
4379 | sv_setsv(sv, *MARK); | |
0a75904b | 4380 | av_store(ary, AvFILLp(ary)+1, sv); |
a60c0954 | 4381 | } |
0a75904b TP |
4382 | SP = ORIGMARK; |
4383 | PUSHi( AvFILLp(ary) + 1 ); | |
79072805 | 4384 | } |
79072805 LW |
4385 | RETURN; |
4386 | } | |
4387 | ||
a0d0e21e | 4388 | PP(pp_shift) |
79072805 | 4389 | { |
97aff369 | 4390 | dVAR; |
39644a26 | 4391 | dSP; |
1b6737cc | 4392 | AV * const av = (AV*)POPs; |
789b4bc9 | 4393 | SV * const sv = PL_op->op_type == OP_SHIFT ? av_shift(av) : av_pop(av); |
79072805 | 4394 | EXTEND(SP, 1); |
c2b4a044 | 4395 | assert (sv); |
d689ffdd | 4396 | if (AvREAL(av)) |
a0d0e21e LW |
4397 | (void)sv_2mortal(sv); |
4398 | PUSHs(sv); | |
79072805 | 4399 | RETURN; |
79072805 LW |
4400 | } |
4401 | ||
a0d0e21e | 4402 | PP(pp_unshift) |
79072805 | 4403 | { |
27da23d5 | 4404 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 4405 | register AV *ary = (AV*)*++MARK; |
1b6737cc | 4406 | const MAGIC * const mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied); |
93965878 | 4407 | |
1b6737cc | 4408 | if (mg) { |
33c27489 | 4409 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
7fd66d9d | 4410 | PUSHMARK(MARK); |
93965878 | 4411 | PUTBACK; |
a60c0954 | 4412 | ENTER; |
864dbfa3 | 4413 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
a60c0954 | 4414 | LEAVE; |
93965878 | 4415 | SPAGAIN; |
93965878 | 4416 | } |
a60c0954 | 4417 | else { |
1b6737cc | 4418 | register I32 i = 0; |
a60c0954 NIS |
4419 | av_unshift(ary, SP - MARK); |
4420 | while (MARK < SP) { | |
1b6737cc | 4421 | SV * const sv = newSVsv(*++MARK); |
a60c0954 NIS |
4422 | (void)av_store(ary, i++, sv); |
4423 | } | |
79072805 | 4424 | } |
a0d0e21e LW |
4425 | SP = ORIGMARK; |
4426 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 4427 | RETURN; |
79072805 LW |
4428 | } |
4429 | ||
a0d0e21e | 4430 | PP(pp_reverse) |
79072805 | 4431 | { |
97aff369 | 4432 | dVAR; dSP; dMARK; |
1b6737cc | 4433 | SV ** const oldsp = SP; |
79072805 | 4434 | |
a0d0e21e LW |
4435 | if (GIMME == G_ARRAY) { |
4436 | MARK++; | |
4437 | while (MARK < SP) { | |
1b6737cc | 4438 | register SV * const tmp = *MARK; |
a0d0e21e LW |
4439 | *MARK++ = *SP; |
4440 | *SP-- = tmp; | |
4441 | } | |
dd58a1ab | 4442 | /* safe as long as stack cannot get extended in the above */ |
a0d0e21e | 4443 | SP = oldsp; |
79072805 LW |
4444 | } |
4445 | else { | |
a0d0e21e LW |
4446 | register char *up; |
4447 | register char *down; | |
4448 | register I32 tmp; | |
4449 | dTARGET; | |
4450 | STRLEN len; | |
9f7d9405 | 4451 | PADOFFSET padoff_du; |
79072805 | 4452 | |
7e2040f0 | 4453 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 4454 | if (SP - MARK > 1) |
3280af22 | 4455 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 4456 | else |
e1f795dc RGS |
4457 | sv_setsv(TARG, (SP > MARK) |
4458 | ? *SP | |
29289021 | 4459 | : (padoff_du = find_rundefsvoffset(), |
00b1698f NC |
4460 | (padoff_du == NOT_IN_PAD |
4461 | || PAD_COMPNAME_FLAGS_isOUR(padoff_du)) | |
e1f795dc | 4462 | ? DEFSV : PAD_SVl(padoff_du))); |
a0d0e21e LW |
4463 | up = SvPV_force(TARG, len); |
4464 | if (len > 1) { | |
7e2040f0 | 4465 | if (DO_UTF8(TARG)) { /* first reverse each character */ |
dfe13c55 | 4466 | U8* s = (U8*)SvPVX(TARG); |
349d4f2f | 4467 | const U8* send = (U8*)(s + len); |
a0ed51b3 | 4468 | while (s < send) { |
d742c382 | 4469 | if (UTF8_IS_INVARIANT(*s)) { |
a0ed51b3 LW |
4470 | s++; |
4471 | continue; | |
4472 | } | |
4473 | else { | |
9041c2e3 | 4474 | if (!utf8_to_uvchr(s, 0)) |
a0dbb045 | 4475 | break; |
dfe13c55 | 4476 | up = (char*)s; |
a0ed51b3 | 4477 | s += UTF8SKIP(s); |
dfe13c55 | 4478 | down = (char*)(s - 1); |
a0dbb045 | 4479 | /* reverse this character */ |
a0ed51b3 LW |
4480 | while (down > up) { |
4481 | tmp = *up; | |
4482 | *up++ = *down; | |
eb160463 | 4483 | *down-- = (char)tmp; |
a0ed51b3 LW |
4484 | } |
4485 | } | |
4486 | } | |
4487 | up = SvPVX(TARG); | |
4488 | } | |
a0d0e21e LW |
4489 | down = SvPVX(TARG) + len - 1; |
4490 | while (down > up) { | |
4491 | tmp = *up; | |
4492 | *up++ = *down; | |
eb160463 | 4493 | *down-- = (char)tmp; |
a0d0e21e | 4494 | } |
3aa33fe5 | 4495 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 4496 | } |
a0d0e21e LW |
4497 | SP = MARK + 1; |
4498 | SETTARG; | |
79072805 | 4499 | } |
a0d0e21e | 4500 | RETURN; |
79072805 LW |
4501 | } |
4502 | ||
a0d0e21e | 4503 | PP(pp_split) |
79072805 | 4504 | { |
27da23d5 | 4505 | dVAR; dSP; dTARG; |
a0d0e21e | 4506 | AV *ary; |
467f0320 | 4507 | register IV limit = POPi; /* note, negative is forever */ |
1b6737cc | 4508 | SV * const sv = POPs; |
a0d0e21e | 4509 | STRLEN len; |
727b7506 | 4510 | register const char *s = SvPV_const(sv, len); |
1b6737cc | 4511 | const bool do_utf8 = DO_UTF8(sv); |
727b7506 | 4512 | const char *strend = s + len; |
44a8e56a | 4513 | register PMOP *pm; |
d9f97599 | 4514 | register REGEXP *rx; |
a0d0e21e | 4515 | register SV *dstr; |
727b7506 | 4516 | register const char *m; |
a0d0e21e | 4517 | I32 iters = 0; |
bb7a0f54 | 4518 | const STRLEN slen = do_utf8 ? utf8_length((U8*)s, (U8*)strend) : (STRLEN)(strend - s); |
792b2c16 | 4519 | I32 maxiters = slen + 10; |
727b7506 | 4520 | const char *orig; |
1b6737cc | 4521 | const I32 origlimit = limit; |
a0d0e21e LW |
4522 | I32 realarray = 0; |
4523 | I32 base; | |
f54cb97a AL |
4524 | const I32 gimme = GIMME_V; |
4525 | const I32 oldsave = PL_savestack_ix; | |
8ec5e241 | 4526 | I32 make_mortal = 1; |
7fba1cd6 | 4527 | bool multiline = 0; |
b37c2d43 | 4528 | MAGIC *mg = NULL; |
79072805 | 4529 | |
44a8e56a | 4530 | #ifdef DEBUGGING |
4531 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
4532 | #else | |
4533 | pm = (PMOP*)POPs; | |
4534 | #endif | |
a0d0e21e | 4535 | if (!pm || !s) |
2269b42e | 4536 | DIE(aTHX_ "panic: pp_split"); |
aaa362c4 | 4537 | rx = PM_GETRE(pm); |
bbce6d69 | 4538 | |
4539 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
4540 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
4541 | ||
a30b2f1f | 4542 | RX_MATCH_UTF8_set(rx, do_utf8); |
d9f424b2 | 4543 | |
971a9dd3 GS |
4544 | if (pm->op_pmreplroot) { |
4545 | #ifdef USE_ITHREADS | |
dd2155a4 | 4546 | ary = GvAVn((GV*)PAD_SVl(INT2PTR(PADOFFSET, pm->op_pmreplroot))); |
971a9dd3 | 4547 | #else |
a0d0e21e | 4548 | ary = GvAVn((GV*)pm->op_pmreplroot); |
971a9dd3 GS |
4549 | #endif |
4550 | } | |
a0d0e21e | 4551 | else if (gimme != G_ARRAY) |
3280af22 | 4552 | ary = GvAVn(PL_defgv); |
79072805 | 4553 | else |
7d49f689 | 4554 | ary = NULL; |
a0d0e21e LW |
4555 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { |
4556 | realarray = 1; | |
8ec5e241 | 4557 | PUTBACK; |
a0d0e21e LW |
4558 | av_extend(ary,0); |
4559 | av_clear(ary); | |
8ec5e241 | 4560 | SPAGAIN; |
14befaf4 | 4561 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
8ec5e241 | 4562 | PUSHMARK(SP); |
33c27489 | 4563 | XPUSHs(SvTIED_obj((SV*)ary, mg)); |
8ec5e241 NIS |
4564 | } |
4565 | else { | |
1c0b011c | 4566 | if (!AvREAL(ary)) { |
1b6737cc | 4567 | I32 i; |
1c0b011c | 4568 | AvREAL_on(ary); |
abff13bb | 4569 | AvREIFY_off(ary); |
1c0b011c | 4570 | for (i = AvFILLp(ary); i >= 0; i--) |
3280af22 | 4571 | AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */ |
1c0b011c NIS |
4572 | } |
4573 | /* temporarily switch stacks */ | |
8b7059b1 | 4574 | SAVESWITCHSTACK(PL_curstack, ary); |
8ec5e241 | 4575 | make_mortal = 0; |
1c0b011c | 4576 | } |
79072805 | 4577 | } |
3280af22 | 4578 | base = SP - PL_stack_base; |
a0d0e21e LW |
4579 | orig = s; |
4580 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 4581 | if (pm->op_pmflags & PMf_LOCALE) { |
4582 | while (isSPACE_LC(*s)) | |
4583 | s++; | |
4584 | } | |
4585 | else { | |
4586 | while (isSPACE(*s)) | |
4587 | s++; | |
4588 | } | |
a0d0e21e | 4589 | } |
7fba1cd6 RD |
4590 | if (pm->op_pmflags & PMf_MULTILINE) { |
4591 | multiline = 1; | |
c07a80fd | 4592 | } |
4593 | ||
a0d0e21e LW |
4594 | if (!limit) |
4595 | limit = maxiters + 2; | |
4596 | if (pm->op_pmflags & PMf_WHITE) { | |
4597 | while (--limit) { | |
bbce6d69 | 4598 | m = s; |
4599 | while (m < strend && | |
4600 | !((pm->op_pmflags & PMf_LOCALE) | |
4601 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
4602 | ++m; | |
a0d0e21e LW |
4603 | if (m >= strend) |
4604 | break; | |
bbce6d69 | 4605 | |
f2b990bf | 4606 | dstr = newSVpvn(s, m-s); |
8ec5e241 | 4607 | if (make_mortal) |
a0d0e21e | 4608 | sv_2mortal(dstr); |
792b2c16 | 4609 | if (do_utf8) |
28cb3359 | 4610 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4611 | XPUSHs(dstr); |
bbce6d69 | 4612 | |
4613 | s = m + 1; | |
4614 | while (s < strend && | |
4615 | ((pm->op_pmflags & PMf_LOCALE) | |
4616 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
4617 | ++s; | |
79072805 LW |
4618 | } |
4619 | } | |
770526c1 | 4620 | else if (rx->precomp[0] == '^' && rx->precomp[1] == '\0') { |
a0d0e21e | 4621 | while (--limit) { |
a6e20a40 AL |
4622 | for (m = s; m < strend && *m != '\n'; m++) |
4623 | ; | |
a0d0e21e LW |
4624 | m++; |
4625 | if (m >= strend) | |
4626 | break; | |
f2b990bf | 4627 | dstr = newSVpvn(s, m-s); |
8ec5e241 | 4628 | if (make_mortal) |
a0d0e21e | 4629 | sv_2mortal(dstr); |
792b2c16 | 4630 | if (do_utf8) |
28cb3359 | 4631 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4632 | XPUSHs(dstr); |
4633 | s = m; | |
4634 | } | |
4635 | } | |
699c3c34 JH |
4636 | else if (do_utf8 == ((rx->reganch & ROPT_UTF8) != 0) && |
4637 | (rx->reganch & RE_USE_INTUIT) && !rx->nparens | |
d9f97599 GS |
4638 | && (rx->reganch & ROPT_CHECK_ALL) |
4639 | && !(rx->reganch & ROPT_ANCH)) { | |
1b6737cc | 4640 | const int tail = (rx->reganch & RE_INTUIT_TAIL); |
f9f4320a | 4641 | SV * const csv = CALLREG_INTUIT_STRING(rx); |
cf93c79d | 4642 | |
ca5b42cb | 4643 | len = rx->minlen; |
1aa99e6b | 4644 | if (len == 1 && !(rx->reganch & ROPT_UTF8) && !tail) { |
1b6737cc | 4645 | const char c = *SvPV_nolen_const(csv); |
a0d0e21e | 4646 | while (--limit) { |
a6e20a40 AL |
4647 | for (m = s; m < strend && *m != c; m++) |
4648 | ; | |
a0d0e21e LW |
4649 | if (m >= strend) |
4650 | break; | |
f2b990bf | 4651 | dstr = newSVpvn(s, m-s); |
8ec5e241 | 4652 | if (make_mortal) |
a0d0e21e | 4653 | sv_2mortal(dstr); |
792b2c16 | 4654 | if (do_utf8) |
28cb3359 | 4655 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4656 | XPUSHs(dstr); |
93f04dac JH |
4657 | /* The rx->minlen is in characters but we want to step |
4658 | * s ahead by bytes. */ | |
1aa99e6b IH |
4659 | if (do_utf8) |
4660 | s = (char*)utf8_hop((U8*)m, len); | |
4661 | else | |
4662 | s = m + len; /* Fake \n at the end */ | |
a0d0e21e LW |
4663 | } |
4664 | } | |
4665 | else { | |
a0d0e21e | 4666 | while (s < strend && --limit && |
f722798b | 4667 | (m = fbm_instr((unsigned char*)s, (unsigned char*)strend, |
7fba1cd6 | 4668 | csv, multiline ? FBMrf_MULTILINE : 0)) ) |
a0d0e21e | 4669 | { |
f2b990bf | 4670 | dstr = newSVpvn(s, m-s); |
8ec5e241 | 4671 | if (make_mortal) |
a0d0e21e | 4672 | sv_2mortal(dstr); |
792b2c16 | 4673 | if (do_utf8) |
28cb3359 | 4674 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4675 | XPUSHs(dstr); |
93f04dac JH |
4676 | /* The rx->minlen is in characters but we want to step |
4677 | * s ahead by bytes. */ | |
1aa99e6b IH |
4678 | if (do_utf8) |
4679 | s = (char*)utf8_hop((U8*)m, len); | |
4680 | else | |
4681 | s = m + len; /* Fake \n at the end */ | |
a0d0e21e | 4682 | } |
463ee0b2 | 4683 | } |
463ee0b2 | 4684 | } |
a0d0e21e | 4685 | else { |
792b2c16 | 4686 | maxiters += slen * rx->nparens; |
080c2dec | 4687 | while (s < strend && --limit) |
bbce6d69 | 4688 | { |
1b6737cc | 4689 | I32 rex_return; |
080c2dec | 4690 | PUTBACK; |
f9f4320a | 4691 | rex_return = CALLREGEXEC(rx, (char*)s, (char*)strend, (char*)orig, 1 , |
727b7506 | 4692 | sv, NULL, 0); |
080c2dec | 4693 | SPAGAIN; |
1b6737cc | 4694 | if (rex_return == 0) |
080c2dec | 4695 | break; |
d9f97599 | 4696 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
cf93c79d | 4697 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
a0d0e21e LW |
4698 | m = s; |
4699 | s = orig; | |
cf93c79d | 4700 | orig = rx->subbeg; |
a0d0e21e LW |
4701 | s = orig + (m - s); |
4702 | strend = s + (strend - m); | |
4703 | } | |
cf93c79d | 4704 | m = rx->startp[0] + orig; |
f2b990bf | 4705 | dstr = newSVpvn(s, m-s); |
8ec5e241 | 4706 | if (make_mortal) |
a0d0e21e | 4707 | sv_2mortal(dstr); |
792b2c16 | 4708 | if (do_utf8) |
28cb3359 | 4709 | (void)SvUTF8_on(dstr); |
a0d0e21e | 4710 | XPUSHs(dstr); |
d9f97599 | 4711 | if (rx->nparens) { |
1b6737cc | 4712 | I32 i; |
eb160463 | 4713 | for (i = 1; i <= (I32)rx->nparens; i++) { |
cf93c79d IZ |
4714 | s = rx->startp[i] + orig; |
4715 | m = rx->endp[i] + orig; | |
6de67870 JP |
4716 | |
4717 | /* japhy (07/27/01) -- the (m && s) test doesn't catch | |
4718 | parens that didn't match -- they should be set to | |
4719 | undef, not the empty string */ | |
4720 | if (m >= orig && s >= orig) { | |
f2b990bf | 4721 | dstr = newSVpvn(s, m-s); |
748a9306 LW |
4722 | } |
4723 | else | |
6de67870 | 4724 | dstr = &PL_sv_undef; /* undef, not "" */ |
8ec5e241 | 4725 | if (make_mortal) |
a0d0e21e | 4726 | sv_2mortal(dstr); |
792b2c16 | 4727 | if (do_utf8) |
28cb3359 | 4728 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4729 | XPUSHs(dstr); |
4730 | } | |
4731 | } | |
cf93c79d | 4732 | s = rx->endp[0] + orig; |
a0d0e21e | 4733 | } |
79072805 | 4734 | } |
8ec5e241 | 4735 | |
3280af22 | 4736 | iters = (SP - PL_stack_base) - base; |
a0d0e21e | 4737 | if (iters > maxiters) |
cea2e8a9 | 4738 | DIE(aTHX_ "Split loop"); |
8ec5e241 | 4739 | |
a0d0e21e LW |
4740 | /* keep field after final delim? */ |
4741 | if (s < strend || (iters && origlimit)) { | |
1b6737cc | 4742 | const STRLEN l = strend - s; |
f2b990bf | 4743 | dstr = newSVpvn(s, l); |
8ec5e241 | 4744 | if (make_mortal) |
a0d0e21e | 4745 | sv_2mortal(dstr); |
792b2c16 | 4746 | if (do_utf8) |
28cb3359 | 4747 | (void)SvUTF8_on(dstr); |
a0d0e21e LW |
4748 | XPUSHs(dstr); |
4749 | iters++; | |
79072805 | 4750 | } |
a0d0e21e | 4751 | else if (!origlimit) { |
89900bd3 SR |
4752 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) { |
4753 | if (TOPs && !make_mortal) | |
4754 | sv_2mortal(TOPs); | |
4755 | iters--; | |
e3a8873f | 4756 | *SP-- = &PL_sv_undef; |
89900bd3 | 4757 | } |
a0d0e21e | 4758 | } |
8ec5e241 | 4759 | |
8b7059b1 DM |
4760 | PUTBACK; |
4761 | LEAVE_SCOPE(oldsave); /* may undo an earlier SWITCHSTACK */ | |
4762 | SPAGAIN; | |
a0d0e21e | 4763 | if (realarray) { |
8ec5e241 | 4764 | if (!mg) { |
1c0b011c NIS |
4765 | if (SvSMAGICAL(ary)) { |
4766 | PUTBACK; | |
4767 | mg_set((SV*)ary); | |
4768 | SPAGAIN; | |
4769 | } | |
4770 | if (gimme == G_ARRAY) { | |
4771 | EXTEND(SP, iters); | |
4772 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
4773 | SP += iters; | |
4774 | RETURN; | |
4775 | } | |
8ec5e241 | 4776 | } |
1c0b011c | 4777 | else { |
fb73857a | 4778 | PUTBACK; |
8ec5e241 | 4779 | ENTER; |
864dbfa3 | 4780 | call_method("PUSH",G_SCALAR|G_DISCARD); |
8ec5e241 | 4781 | LEAVE; |
fb73857a | 4782 | SPAGAIN; |
8ec5e241 | 4783 | if (gimme == G_ARRAY) { |
1b6737cc | 4784 | I32 i; |
8ec5e241 NIS |
4785 | /* EXTEND should not be needed - we just popped them */ |
4786 | EXTEND(SP, iters); | |
4787 | for (i=0; i < iters; i++) { | |
4788 | SV **svp = av_fetch(ary, i, FALSE); | |
3280af22 | 4789 | PUSHs((svp) ? *svp : &PL_sv_undef); |
8ec5e241 | 4790 | } |
1c0b011c NIS |
4791 | RETURN; |
4792 | } | |
a0d0e21e LW |
4793 | } |
4794 | } | |
4795 | else { | |
4796 | if (gimme == G_ARRAY) | |
4797 | RETURN; | |
4798 | } | |
7f18b612 YST |
4799 | |
4800 | GETTARGET; | |
4801 | PUSHi(iters); | |
4802 | RETURN; | |
79072805 | 4803 | } |
85e6fe83 | 4804 | |
c0329465 MB |
4805 | PP(pp_lock) |
4806 | { | |
97aff369 | 4807 | dVAR; |
39644a26 | 4808 | dSP; |
c0329465 | 4809 | dTOPss; |
e55aaa0e | 4810 | SV *retsv = sv; |
68795e93 | 4811 | SvLOCK(sv); |
e55aaa0e MB |
4812 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
4813 | || SvTYPE(retsv) == SVt_PVCV) { | |
4814 | retsv = refto(retsv); | |
4815 | } | |
4816 | SETs(retsv); | |
c0329465 MB |
4817 | RETURN; |
4818 | } | |
a863c7d1 | 4819 | |
65bca31a NC |
4820 | |
4821 | PP(unimplemented_op) | |
4822 | { | |
97aff369 | 4823 | dVAR; |
65bca31a NC |
4824 | DIE(aTHX_ "panic: unimplemented op %s (#%d) called", OP_NAME(PL_op), |
4825 | PL_op->op_type); | |
4826 | } | |
4827 | ||
e609e586 NC |
4828 | /* |
4829 | * Local variables: | |
4830 | * c-indentation-style: bsd | |
4831 | * c-basic-offset: 4 | |
4832 | * indent-tabs-mode: t | |
4833 | * End: | |
4834 | * | |
37442d52 RGS |
4835 | * ex: set ts=8 sts=4 sw=4 noet: |
4836 | */ |