https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| a0d0e21e | 1 | /* pp.c |
| 79072805 | 2 | * |
| 4bb101f2 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
| 770526c1 | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others |
| 79072805 | 5 | * |
| a0d0e21e LW |
6 | * You may distribute under the terms of either the GNU General Public |
| 7 | * License or the Artistic License, as specified in the README file. | |
| 79072805 | 8 | * |
| a0d0e21e LW |
9 | */ |
| 10 | ||
| 11 | /* | |
| 12 | * "It's a big house this, and very peculiar. Always a bit more to discover, | |
| 13 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise | |
| 14 | */ | |
| 79072805 | 15 | |
| 166f8a29 DM |
16 | /* This file contains general pp ("push/pop") functions that execute the |
| 17 | * opcodes that make up a perl program. A typical pp function expects to | |
| 18 | * find its arguments on the stack, and usually pushes its results onto | |
| 19 | * the stack, hence the 'pp' terminology. Each OP structure contains | |
| 20 | * a pointer to the relevant pp_foo() function. | |
| 21 | */ | |
| 22 | ||
| 79072805 | 23 | #include "EXTERN.h" |
| 864dbfa3 | 24 | #define PERL_IN_PP_C |
| 79072805 | 25 | #include "perl.h" |
| 77bc9082 | 26 | #include "keywords.h" |
| 79072805 | 27 | |
| a4af207c JH |
28 | #include "reentr.h" |
| 29 | ||
| dfe9444c AD |
30 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ |
| 31 | it, since pid_t is an integral type. | |
| 32 | --AD 2/20/1998 | |
| 33 | */ | |
| 34 | #ifdef NEED_GETPID_PROTO | |
| 35 | extern Pid_t getpid (void); | |
| 8ac85365 NIS |
36 | #endif |
| 37 | ||
| 0630166f SP |
38 | /* |
| 39 | * Some BSDs and Cygwin default to POSIX math instead of IEEE. | |
| 40 | * This switches them over to IEEE. | |
| 41 | */ | |
| 42 | #if defined(LIBM_LIB_VERSION) | |
| 43 | _LIB_VERSION_TYPE _LIB_VERSION = _IEEE_; | |
| 44 | #endif | |
| 45 | ||
| 13017935 SM |
46 | /* variations on pp_null */ |
| 47 | ||
| 93a17b20 LW |
48 | PP(pp_stub) |
| 49 | { | |
| 39644a26 | 50 | dSP; |
| 54310121 | 51 | if (GIMME_V == G_SCALAR) |
| 3280af22 | 52 | XPUSHs(&PL_sv_undef); |
| 93a17b20 LW |
53 | RETURN; |
| 54 | } | |
| 55 | ||
| 79072805 LW |
56 | PP(pp_scalar) |
| 57 | { | |
| 58 | return NORMAL; | |
| 59 | } | |
| 60 | ||
| 61 | /* Pushy stuff. */ | |
| 62 | ||
| 93a17b20 LW |
63 | PP(pp_padav) |
| 64 | { | |
| 39644a26 | 65 | dSP; dTARGET; |
| 13017935 | 66 | I32 gimme; |
| 533c011a | 67 | if (PL_op->op_private & OPpLVAL_INTRO) |
| dd2155a4 | 68 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); |
| 85e6fe83 | 69 | EXTEND(SP, 1); |
| 533c011a | 70 | if (PL_op->op_flags & OPf_REF) { |
| 85e6fe83 | 71 | PUSHs(TARG); |
| 93a17b20 | 72 | RETURN; |
| 78f9721b SM |
73 | } else if (LVRET) { |
| 74 | if (GIMME == G_SCALAR) | |
| 75 | Perl_croak(aTHX_ "Can't return array to lvalue scalar context"); | |
| 76 | PUSHs(TARG); | |
| 77 | RETURN; | |
| 85e6fe83 | 78 | } |
| 13017935 SM |
79 | gimme = GIMME_V; |
| 80 | if (gimme == G_ARRAY) { | |
| f54cb97a | 81 | const I32 maxarg = AvFILL((AV*)TARG) + 1; |
| 85e6fe83 | 82 | EXTEND(SP, maxarg); |
| 93965878 NIS |
83 | if (SvMAGICAL(TARG)) { |
| 84 | U32 i; | |
| eb160463 | 85 | for (i=0; i < (U32)maxarg; i++) { |
| 1b6737cc | 86 | SV ** const svp = av_fetch((AV*)TARG, i, FALSE); |
| 3280af22 | 87 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
| 93965878 NIS |
88 | } |
| 89 | } | |
| 90 | else { | |
| 91 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
| 92 | } | |
| 85e6fe83 LW |
93 | SP += maxarg; |
| 94 | } | |
| 13017935 | 95 | else if (gimme == G_SCALAR) { |
| 1b6737cc | 96 | SV* const sv = sv_newmortal(); |
| f54cb97a | 97 | const I32 maxarg = AvFILL((AV*)TARG) + 1; |
| 85e6fe83 LW |
98 | sv_setiv(sv, maxarg); |
| 99 | PUSHs(sv); | |
| 100 | } | |
| 101 | RETURN; | |
| 93a17b20 LW |
102 | } |
| 103 | ||
| 104 | PP(pp_padhv) | |
| 105 | { | |
| 39644a26 | 106 | dSP; dTARGET; |
| 54310121 | 107 | I32 gimme; |
| 108 | ||
| 93a17b20 | 109 | XPUSHs(TARG); |
| 533c011a | 110 | if (PL_op->op_private & OPpLVAL_INTRO) |
| dd2155a4 | 111 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); |
| 533c011a | 112 | if (PL_op->op_flags & OPf_REF) |
| 93a17b20 | 113 | RETURN; |
| 78f9721b SM |
114 | else if (LVRET) { |
| 115 | if (GIMME == G_SCALAR) | |
| 116 | Perl_croak(aTHX_ "Can't return hash to lvalue scalar context"); | |
| 117 | RETURN; | |
| 118 | } | |
| 54310121 | 119 | gimme = GIMME_V; |
| 120 | if (gimme == G_ARRAY) { | |
| cea2e8a9 | 121 | RETURNOP(do_kv()); |
| 85e6fe83 | 122 | } |
| 54310121 | 123 | else if (gimme == G_SCALAR) { |
| 1b6737cc | 124 | SV* const sv = Perl_hv_scalar(aTHX_ (HV*)TARG); |
| 85e6fe83 | 125 | SETs(sv); |
| 85e6fe83 | 126 | } |
| 54310121 | 127 | RETURN; |
| 93a17b20 LW |
128 | } |
| 129 | ||
| ed6116ce LW |
130 | PP(pp_padany) |
| 131 | { | |
| cea2e8a9 | 132 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
| ed6116ce LW |
133 | } |
| 134 | ||
| 79072805 LW |
135 | /* Translations. */ |
| 136 | ||
| 137 | PP(pp_rv2gv) | |
| 138 | { | |
| 39644a26 | 139 | dSP; dTOPss; |
| 8ec5e241 | 140 | |
| ed6116ce | 141 | if (SvROK(sv)) { |
| a0d0e21e | 142 | wasref: |
| f5284f61 IZ |
143 | tryAMAGICunDEREF(to_gv); |
| 144 | ||
| ed6116ce | 145 | sv = SvRV(sv); |
| b1dadf13 | 146 | if (SvTYPE(sv) == SVt_PVIO) { |
| 1b6737cc | 147 | GV * const gv = (GV*) sv_newmortal(); |
| b1dadf13 | 148 | gv_init(gv, 0, "", 0, 0); |
| 149 | GvIOp(gv) = (IO *)sv; | |
| 3e3baf6d | 150 | (void)SvREFCNT_inc(sv); |
| b1dadf13 | 151 | sv = (SV*) gv; |
| ef54e1a4 JH |
152 | } |
| 153 | else if (SvTYPE(sv) != SVt_PVGV) | |
| cea2e8a9 | 154 | DIE(aTHX_ "Not a GLOB reference"); |
| 79072805 LW |
155 | } |
| 156 | else { | |
| 93a17b20 | 157 | if (SvTYPE(sv) != SVt_PVGV) { |
| a0d0e21e LW |
158 | if (SvGMAGICAL(sv)) { |
| 159 | mg_get(sv); | |
| 160 | if (SvROK(sv)) | |
| 161 | goto wasref; | |
| 162 | } | |
| afd1915d | 163 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
| b13b2135 | 164 | /* If this is a 'my' scalar and flag is set then vivify |
| 853846ea | 165 | * NI-S 1999/05/07 |
| b13b2135 | 166 | */ |
| ac53db4c DM |
167 | if (SvREADONLY(sv)) |
| 168 | Perl_croak(aTHX_ PL_no_modify); | |
| 1d8d4d2a | 169 | if (PL_op->op_private & OPpDEREF) { |
| 2c8ac474 GS |
170 | GV *gv; |
| 171 | if (cUNOP->op_targ) { | |
| 172 | STRLEN len; | |
| dd2155a4 | 173 | SV *namesv = PAD_SV(cUNOP->op_targ); |
| f54cb97a | 174 | const char *name = SvPV(namesv, len); |
| 2d6d9f7a | 175 | gv = (GV*)NEWSV(0,0); |
| 2c8ac474 GS |
176 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
| 177 | } | |
| 178 | else { | |
| f54cb97a | 179 | const char *name = CopSTASHPV(PL_curcop); |
| 2c8ac474 | 180 | gv = newGVgen(name); |
| 1d8d4d2a | 181 | } |
| b13b2135 NIS |
182 | if (SvTYPE(sv) < SVt_RV) |
| 183 | sv_upgrade(sv, SVt_RV); | |
| b15aece3 | 184 | if (SvPVX_const(sv)) { |
| 8bd4d4c5 | 185 | SvPV_free(sv); |
| b162af07 SP |
186 | SvLEN_set(sv, 0); |
| 187 | SvCUR_set(sv, 0); | |
| 8f3c2c0c | 188 | } |
| b162af07 | 189 | SvRV_set(sv, (SV*)gv); |
| 853846ea | 190 | SvROK_on(sv); |
| 1d8d4d2a | 191 | SvSETMAGIC(sv); |
| 853846ea | 192 | goto wasref; |
| 2c8ac474 | 193 | } |
| 533c011a NIS |
194 | if (PL_op->op_flags & OPf_REF || |
| 195 | PL_op->op_private & HINT_STRICT_REFS) | |
| cea2e8a9 | 196 | DIE(aTHX_ PL_no_usym, "a symbol"); |
| 599cee73 | 197 | if (ckWARN(WARN_UNINITIALIZED)) |
| 29489e7c | 198 | report_uninit(sv); |
| a0d0e21e LW |
199 | RETSETUNDEF; |
| 200 | } | |
| 35cd451c GS |
201 | if ((PL_op->op_flags & OPf_SPECIAL) && |
| 202 | !(PL_op->op_flags & OPf_MOD)) | |
| 203 | { | |
| 1b6737cc | 204 | SV * const temp = (SV*)gv_fetchsv(sv, FALSE, SVt_PVGV); |
| 7a5fd60d NC |
205 | if (!temp |
| 206 | && (!is_gv_magical_sv(sv,0) | |
| 207 | || !(sv = (SV*)gv_fetchsv(sv, TRUE, SVt_PVGV)))) { | |
| 35cd451c | 208 | RETSETUNDEF; |
| c9d5ac95 | 209 | } |
| 7a5fd60d | 210 | sv = temp; |
| 35cd451c GS |
211 | } |
| 212 | else { | |
| 213 | if (PL_op->op_private & HINT_STRICT_REFS) | |
| 7a5fd60d NC |
214 | DIE(aTHX_ PL_no_symref_sv, sv, "a symbol"); |
| 215 | sv = (SV*)gv_fetchsv(sv, TRUE, 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 | { | |
| 82d03984 | 227 | GV *gv = Nullgv; |
| 39644a26 | 228 | dSP; dTOPss; |
| 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: | |
| cea2e8a9 | 239 | DIE(aTHX_ "Not a SCALAR reference"); |
| 79072805 LW |
240 | } |
| 241 | } | |
| 242 | else { | |
| 82d03984 | 243 | gv = (GV*)sv; |
| 748a9306 | 244 | |
| 463ee0b2 | 245 | if (SvTYPE(gv) != SVt_PVGV) { |
| a0d0e21e LW |
246 | if (SvGMAGICAL(sv)) { |
| 247 | mg_get(sv); | |
| 248 | if (SvROK(sv)) | |
| 249 | goto wasref; | |
| 250 | } | |
| 251 | if (!SvOK(sv)) { | |
| 533c011a NIS |
252 | if (PL_op->op_flags & OPf_REF || |
| 253 | PL_op->op_private & HINT_STRICT_REFS) | |
| cea2e8a9 | 254 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
| 599cee73 | 255 | if (ckWARN(WARN_UNINITIALIZED)) |
| 29489e7c | 256 | report_uninit(sv); |
| a0d0e21e LW |
257 | RETSETUNDEF; |
| 258 | } | |
| 35cd451c GS |
259 | if ((PL_op->op_flags & OPf_SPECIAL) && |
| 260 | !(PL_op->op_flags & OPf_MOD)) | |
| 261 | { | |
| 7a5fd60d | 262 | gv = (GV*)gv_fetchsv(sv, FALSE, SVt_PV); |
| c9d5ac95 | 263 | if (!gv |
| 7a5fd60d NC |
264 | && (!is_gv_magical_sv(sv, 0) |
| 265 | || !(gv = (GV*)gv_fetchsv(sv, TRUE, SVt_PV)))) | |
| c9d5ac95 | 266 | { |
| 35cd451c | 267 | RETSETUNDEF; |
| c9d5ac95 | 268 | } |
| 35cd451c GS |
269 | } |
| 270 | else { | |
| 271 | if (PL_op->op_private & HINT_STRICT_REFS) | |
| 7a5fd60d NC |
272 | DIE(aTHX_ PL_no_symref_sv, sv, "a SCALAR"); |
| 273 | gv = (GV*)gv_fetchsv(sv, TRUE, SVt_PV); | |
| 35cd451c | 274 | } |
| 463ee0b2 | 275 | } |
| 29c711a3 | 276 | sv = GvSVn(gv); |
| a0d0e21e | 277 | } |
| 533c011a | 278 | if (PL_op->op_flags & OPf_MOD) { |
| 82d03984 RGS |
279 | if (PL_op->op_private & OPpLVAL_INTRO) { |
| 280 | if (cUNOP->op_first->op_type == OP_NULL) | |
| 281 | sv = save_scalar((GV*)TOPs); | |
| 282 | else if (gv) | |
| 283 | sv = save_scalar(gv); | |
| 284 | else | |
| 285 | Perl_croak(aTHX_ PL_no_localize_ref); | |
| 286 | } | |
| 533c011a NIS |
287 | else if (PL_op->op_private & OPpDEREF) |
| 288 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
| 79072805 | 289 | } |
| a0d0e21e | 290 | SETs(sv); |
| 79072805 LW |
291 | RETURN; |
| 292 | } | |
| 293 | ||
| 294 | PP(pp_av2arylen) | |
| 295 | { | |
| 39644a26 | 296 | dSP; |
| 1b6737cc AL |
297 | AV * const av = (AV*)TOPs; |
| 298 | SV ** const sv = Perl_av_arylen_p(aTHX_ (AV*)av); | |
| a3874608 NC |
299 | if (!*sv) { |
| 300 | *sv = NEWSV(0,0); | |
| 301 | sv_upgrade(*sv, SVt_PVMG); | |
| 302 | sv_magic(*sv, (SV*)av, PERL_MAGIC_arylen, Nullch, 0); | |
| 79072805 | 303 | } |
| a3874608 | 304 | SETs(*sv); |
| 79072805 LW |
305 | RETURN; |
| 306 | } | |
| 307 | ||
| a0d0e21e LW |
308 | PP(pp_pos) |
| 309 | { | |
| 39644a26 | 310 | dSP; dTARGET; dPOPss; |
| 8ec5e241 | 311 | |
| 78f9721b | 312 | if (PL_op->op_flags & OPf_MOD || LVRET) { |
| 5f05dabc | 313 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 314 | sv_upgrade(TARG, SVt_PVLV); | |
| 14befaf4 | 315 | sv_magic(TARG, Nullsv, PERL_MAGIC_pos, Nullch, 0); |
| 5f05dabc | 316 | } |
| 317 | ||
| 318 | LvTYPE(TARG) = '.'; | |
| 6ff81951 GS |
319 | if (LvTARG(TARG) != sv) { |
| 320 | if (LvTARG(TARG)) | |
| 321 | SvREFCNT_dec(LvTARG(TARG)); | |
| 322 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
| 323 | } | |
| a0d0e21e LW |
324 | PUSHs(TARG); /* no SvSETMAGIC */ |
| 325 | RETURN; | |
| 326 | } | |
| 327 | else { | |
| a0d0e21e | 328 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
| 1b6737cc | 329 | const MAGIC * const mg = mg_find(sv, PERL_MAGIC_regex_global); |
| 565764a8 | 330 | if (mg && mg->mg_len >= 0) { |
| a0ed51b3 | 331 | I32 i = mg->mg_len; |
| 7e2040f0 | 332 | if (DO_UTF8(sv)) |
| a0ed51b3 LW |
333 | sv_pos_b2u(sv, &i); |
| 334 | PUSHi(i + PL_curcop->cop_arybase); | |
| a0d0e21e LW |
335 | RETURN; |
| 336 | } | |
| 337 | } | |
| 338 | RETPUSHUNDEF; | |
| 339 | } | |
| 340 | } | |
| 341 | ||
| 79072805 LW |
342 | PP(pp_rv2cv) |
| 343 | { | |
| 39644a26 | 344 | dSP; |
| 79072805 LW |
345 | GV *gv; |
| 346 | HV *stash; | |
| 8990e307 | 347 | |
| 4633a7c4 LW |
348 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
| 349 | /* (But not in defined().) */ | |
| 533c011a | 350 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
| 07055b4c CS |
351 | if (cv) { |
| 352 | if (CvCLONE(cv)) | |
| 353 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
| d32f2495 SC |
354 | if ((PL_op->op_private & OPpLVAL_INTRO)) { |
| 355 | if (gv && GvCV(gv) == cv && (gv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), FALSE))) | |
| 356 | cv = GvCV(gv); | |
| 357 | if (!CvLVALUE(cv)) | |
| 358 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); | |
| 359 | } | |
| 07055b4c CS |
360 | } |
| 361 | else | |
| 3280af22 | 362 | cv = (CV*)&PL_sv_undef; |
| 79072805 LW |
363 | SETs((SV*)cv); |
| 364 | RETURN; | |
| 365 | } | |
| 366 | ||
| c07a80fd | 367 | PP(pp_prototype) |
| 368 | { | |
| 39644a26 | 369 | dSP; |
| c07a80fd | 370 | CV *cv; |
| 371 | HV *stash; | |
| 372 | GV *gv; | |
| 373 | SV *ret; | |
| 374 | ||
| 3280af22 | 375 | ret = &PL_sv_undef; |
| b6c543e3 | 376 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
| b15aece3 | 377 | const char *s = SvPVX_const(TOPs); |
| b6c543e3 | 378 | if (strnEQ(s, "CORE::", 6)) { |
| f54cb97a | 379 | const int code = keyword(s + 6, SvCUR(TOPs) - 6); |
| b6c543e3 IZ |
380 | if (code < 0) { /* Overridable. */ |
| 381 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
| 382 | int i = 0, n = 0, seen_question = 0; | |
| 383 | I32 oa; | |
| 384 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
| 385 | ||
| bdf1bb36 RGS |
386 | if (code == -KEY_chop || code == -KEY_chomp |
| 387 | || code == -KEY_exec || code == -KEY_system) | |
| 77bc9082 | 388 | goto set; |
| b6c543e3 | 389 | while (i < MAXO) { /* The slow way. */ |
| 22c35a8c GS |
390 | if (strEQ(s + 6, PL_op_name[i]) |
| 391 | || strEQ(s + 6, PL_op_desc[i])) | |
| 392 | { | |
| b6c543e3 | 393 | goto found; |
| 22c35a8c | 394 | } |
| b6c543e3 IZ |
395 | i++; |
| 396 | } | |
| 397 | goto nonesuch; /* Should not happen... */ | |
| 398 | found: | |
| 22c35a8c | 399 | oa = PL_opargs[i] >> OASHIFT; |
| b6c543e3 | 400 | while (oa) { |
| 3012a639 | 401 | if (oa & OA_OPTIONAL && !seen_question) { |
| b6c543e3 IZ |
402 | seen_question = 1; |
| 403 | str[n++] = ';'; | |
| ef54e1a4 | 404 | } |
| b13b2135 | 405 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
| 6e97e420 SC |
406 | && (oa & (OA_OPTIONAL - 1)) <= OA_SCALARREF |
| 407 | /* But globs are already references (kinda) */ | |
| 408 | && (oa & (OA_OPTIONAL - 1)) != OA_FILEREF | |
| 409 | ) { | |
| b6c543e3 IZ |
410 | str[n++] = '\\'; |
| 411 | } | |
| b6c543e3 IZ |
412 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; |
| 413 | oa = oa >> 4; | |
| 414 | } | |
| 415 | str[n++] = '\0'; | |
| 79cb57f6 | 416 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
| ef54e1a4 JH |
417 | } |
| 418 | else if (code) /* Non-Overridable */ | |
| b6c543e3 IZ |
419 | goto set; |
| 420 | else { /* None such */ | |
| 421 | nonesuch: | |
| d470f89e | 422 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
| b6c543e3 IZ |
423 | } |
| 424 | } | |
| 425 | } | |
| c07a80fd | 426 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
| 5f05dabc | 427 | if (cv && SvPOK(cv)) |
| b15aece3 | 428 | ret = sv_2mortal(newSVpvn(SvPVX_const(cv), SvCUR(cv))); |
| b6c543e3 | 429 | set: |
| c07a80fd | 430 | SETs(ret); |
| 431 | RETURN; | |
| 432 | } | |
| 433 | ||
| a0d0e21e LW |
434 | PP(pp_anoncode) |
| 435 | { | |
| 39644a26 | 436 | dSP; |
| dd2155a4 | 437 | CV* cv = (CV*)PAD_SV(PL_op->op_targ); |
| a5f75d66 | 438 | if (CvCLONE(cv)) |
| b355b4e0 | 439 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
| 5f05dabc | 440 | EXTEND(SP,1); |
| 748a9306 | 441 | PUSHs((SV*)cv); |
| a0d0e21e LW |
442 | RETURN; |
| 443 | } | |
| 444 | ||
| 445 | PP(pp_srefgen) | |
| 79072805 | 446 | { |
| 39644a26 | 447 | dSP; |
| 71be2cbc | 448 | *SP = refto(*SP); |
| 79072805 | 449 | RETURN; |
| 8ec5e241 | 450 | } |
| a0d0e21e LW |
451 | |
| 452 | PP(pp_refgen) | |
| 453 | { | |
| 39644a26 | 454 | dSP; dMARK; |
| a0d0e21e | 455 | if (GIMME != G_ARRAY) { |
| 5f0b1d4e GS |
456 | if (++MARK <= SP) |
| 457 | *MARK = *SP; | |
| 458 | else | |
| 3280af22 | 459 | *MARK = &PL_sv_undef; |
| 5f0b1d4e GS |
460 | *MARK = refto(*MARK); |
| 461 | SP = MARK; | |
| 462 | RETURN; | |
| a0d0e21e | 463 | } |
| bbce6d69 | 464 | EXTEND_MORTAL(SP - MARK); |
| 71be2cbc | 465 | while (++MARK <= SP) |
| 466 | *MARK = refto(*MARK); | |
| a0d0e21e | 467 | RETURN; |
| 79072805 LW |
468 | } |
| 469 | ||
| 76e3520e | 470 | STATIC SV* |
| cea2e8a9 | 471 | S_refto(pTHX_ SV *sv) |
| 71be2cbc | 472 | { |
| 473 | SV* rv; | |
| 474 | ||
| 475 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
| 476 | if (LvTARGLEN(sv)) | |
| 68dc0745 | 477 | vivify_defelem(sv); |
| 478 | if (!(sv = LvTARG(sv))) | |
| 3280af22 | 479 | sv = &PL_sv_undef; |
| 0dd88869 | 480 | else |
| a6c40364 | 481 | (void)SvREFCNT_inc(sv); |
| 71be2cbc | 482 | } |
| d8b46c1b GS |
483 | else if (SvTYPE(sv) == SVt_PVAV) { |
| 484 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
| 485 | av_reify((AV*)sv); | |
| 486 | SvTEMP_off(sv); | |
| 487 | (void)SvREFCNT_inc(sv); | |
| 488 | } | |
| f2933f5f DM |
489 | else if (SvPADTMP(sv) && !IS_PADGV(sv)) |
| 490 | sv = newSVsv(sv); | |
| 71be2cbc | 491 | else { |
| 492 | SvTEMP_off(sv); | |
| 493 | (void)SvREFCNT_inc(sv); | |
| 494 | } | |
| 495 | rv = sv_newmortal(); | |
| 496 | sv_upgrade(rv, SVt_RV); | |
| b162af07 | 497 | SvRV_set(rv, sv); |
| 71be2cbc | 498 | SvROK_on(rv); |
| 499 | return rv; | |
| 500 | } | |
| 501 | ||
| 79072805 LW |
502 | PP(pp_ref) |
| 503 | { | |
| 39644a26 | 504 | dSP; dTARGET; |
| e1ec3a88 | 505 | const char *pv; |
| 1b6737cc | 506 | SV * const sv = POPs; |
| f12c7020 | 507 | |
| 508 | if (sv && SvGMAGICAL(sv)) | |
| 8ec5e241 | 509 | mg_get(sv); |
| f12c7020 | 510 | |
| a0d0e21e | 511 | if (!sv || !SvROK(sv)) |
| 4633a7c4 | 512 | RETPUSHNO; |
| 79072805 | 513 | |
| 1b6737cc | 514 | pv = sv_reftype(SvRV(sv),TRUE); |
| 463ee0b2 | 515 | PUSHp(pv, strlen(pv)); |
| 79072805 LW |
516 | RETURN; |
| 517 | } | |
| 518 | ||
| 519 | PP(pp_bless) | |
| 520 | { | |
| 39644a26 | 521 | dSP; |
| 463ee0b2 | 522 | HV *stash; |
| 79072805 | 523 | |
| 463ee0b2 | 524 | if (MAXARG == 1) |
| 11faa288 | 525 | stash = CopSTASH(PL_curcop); |
| 7b8d334a | 526 | else { |
| 1b6737cc | 527 | SV * const ssv = POPs; |
| 7b8d334a | 528 | STRLEN len; |
| e1ec3a88 | 529 | const char *ptr; |
| 81689caa | 530 | |
| 016a42f3 | 531 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
| 81689caa | 532 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
| 5c144d81 | 533 | ptr = SvPV_const(ssv,len); |
| 041457d9 | 534 | if (len == 0 && ckWARN(WARN_MISC)) |
| 9014280d | 535 | Perl_warner(aTHX_ packWARN(WARN_MISC), |
| 599cee73 | 536 | "Explicit blessing to '' (assuming package main)"); |
| 7b8d334a GS |
537 | stash = gv_stashpvn(ptr, len, TRUE); |
| 538 | } | |
| a0d0e21e | 539 | |
| 5d3fdfeb | 540 | (void)sv_bless(TOPs, stash); |
| 79072805 LW |
541 | RETURN; |
| 542 | } | |
| 543 | ||
| fb73857a | 544 | PP(pp_gelem) |
| 545 | { | |
| 39644a26 | 546 | dSP; |
| b13b2135 | 547 | |
| 1b6737cc AL |
548 | SV *sv = POPs; |
| 549 | const char * const elem = SvPV_nolen_const(sv); | |
| 550 | GV * const gv = (GV*)POPs; | |
| 551 | SV * tmpRef = Nullsv; | |
| 552 | ||
| fb73857a | 553 | sv = Nullsv; |
| c4ba80c3 NC |
554 | if (elem) { |
| 555 | /* elem will always be NUL terminated. */ | |
| 1b6737cc | 556 | const char * const second_letter = elem + 1; |
| c4ba80c3 NC |
557 | switch (*elem) { |
| 558 | case 'A': | |
| 1b6737cc | 559 | if (strEQ(second_letter, "RRAY")) |
| c4ba80c3 NC |
560 | tmpRef = (SV*)GvAV(gv); |
| 561 | break; | |
| 562 | case 'C': | |
| 1b6737cc | 563 | if (strEQ(second_letter, "ODE")) |
| c4ba80c3 NC |
564 | tmpRef = (SV*)GvCVu(gv); |
| 565 | break; | |
| 566 | case 'F': | |
| 1b6737cc | 567 | if (strEQ(second_letter, "ILEHANDLE")) { |
| c4ba80c3 NC |
568 | /* finally deprecated in 5.8.0 */ |
| 569 | deprecate("*glob{FILEHANDLE}"); | |
| 570 | tmpRef = (SV*)GvIOp(gv); | |
| 571 | } | |
| 572 | else | |
| 1b6737cc | 573 | if (strEQ(second_letter, "ORMAT")) |
| c4ba80c3 NC |
574 | tmpRef = (SV*)GvFORM(gv); |
| 575 | break; | |
| 576 | case 'G': | |
| 1b6737cc | 577 | if (strEQ(second_letter, "LOB")) |
| c4ba80c3 NC |
578 | tmpRef = (SV*)gv; |
| 579 | break; | |
| 580 | case 'H': | |
| 1b6737cc | 581 | if (strEQ(second_letter, "ASH")) |
| c4ba80c3 NC |
582 | tmpRef = (SV*)GvHV(gv); |
| 583 | break; | |
| 584 | case 'I': | |
| 1b6737cc | 585 | if (*second_letter == 'O' && !elem[2]) |
| c4ba80c3 NC |
586 | tmpRef = (SV*)GvIOp(gv); |
| 587 | break; | |
| 588 | case 'N': | |
| 1b6737cc | 589 | if (strEQ(second_letter, "AME")) |
| c4ba80c3 NC |
590 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
| 591 | break; | |
| 592 | case 'P': | |
| 1b6737cc | 593 | if (strEQ(second_letter, "ACKAGE")) { |
| 5aaec2b4 NC |
594 | const HEK *hek = HvNAME_HEK(GvSTASH(gv)); |
| 595 | sv = hek ? newSVhek(hek) : newSVpvn("__ANON__", 8); | |
| c4ba80c3 NC |
596 | } |
| 597 | break; | |
| 598 | case 'S': | |
| 1b6737cc | 599 | if (strEQ(second_letter, "CALAR")) |
| c4ba80c3 NC |
600 | tmpRef = GvSV(gv); |
| 601 | break; | |
| 39b99f21 | 602 | } |
| fb73857a | 603 | } |
| 76e3520e GS |
604 | if (tmpRef) |
| 605 | sv = newRV(tmpRef); | |
| fb73857a | 606 | if (sv) |
| 607 | sv_2mortal(sv); | |
| 608 | else | |
| 3280af22 | 609 | sv = &PL_sv_undef; |
| fb73857a | 610 | XPUSHs(sv); |
| 611 | RETURN; | |
| 612 | } | |
| 613 | ||
| a0d0e21e | 614 | /* Pattern matching */ |
| 79072805 | 615 | |
| a0d0e21e | 616 | PP(pp_study) |
| 79072805 | 617 | { |
| 39644a26 | 618 | dSP; dPOPss; |
| a0d0e21e LW |
619 | register unsigned char *s; |
| 620 | register I32 pos; | |
| 621 | register I32 ch; | |
| 622 | register I32 *sfirst; | |
| 623 | register I32 *snext; | |
| a0d0e21e LW |
624 | STRLEN len; |
| 625 | ||
| 3280af22 | 626 | if (sv == PL_lastscream) { |
| 1e422769 | 627 | if (SvSCREAM(sv)) |
| 628 | RETPUSHYES; | |
| 629 | } | |
| c07a80fd | 630 | else { |
| 3280af22 NIS |
631 | if (PL_lastscream) { |
| 632 | SvSCREAM_off(PL_lastscream); | |
| 633 | SvREFCNT_dec(PL_lastscream); | |
| c07a80fd | 634 | } |
| 3280af22 | 635 | PL_lastscream = SvREFCNT_inc(sv); |
| c07a80fd | 636 | } |
| 1e422769 | 637 | |
| 638 | s = (unsigned char*)(SvPV(sv, len)); | |
| 639 | pos = len; | |
| 640 | if (pos <= 0) | |
| 641 | RETPUSHNO; | |
| 3280af22 NIS |
642 | if (pos > PL_maxscream) { |
| 643 | if (PL_maxscream < 0) { | |
| 644 | PL_maxscream = pos + 80; | |
| a02a5408 JC |
645 | Newx(PL_screamfirst, 256, I32); |
| 646 | Newx(PL_screamnext, PL_maxscream, I32); | |
| 79072805 LW |
647 | } |
| 648 | else { | |
| 3280af22 NIS |
649 | PL_maxscream = pos + pos / 4; |
| 650 | Renew(PL_screamnext, PL_maxscream, I32); | |
| 79072805 | 651 | } |
| 79072805 | 652 | } |
| a0d0e21e | 653 | |
| 3280af22 NIS |
654 | sfirst = PL_screamfirst; |
| 655 | snext = PL_screamnext; | |
| a0d0e21e LW |
656 | |
| 657 | if (!sfirst || !snext) | |
| cea2e8a9 | 658 | DIE(aTHX_ "do_study: out of memory"); |
| a0d0e21e LW |
659 | |
| 660 | for (ch = 256; ch; --ch) | |
| 661 | *sfirst++ = -1; | |
| 662 | sfirst -= 256; | |
| 663 | ||
| 664 | while (--pos >= 0) { | |
| 1b6737cc | 665 | register const I32 ch = s[pos]; |
| a0d0e21e LW |
666 | if (sfirst[ch] >= 0) |
| 667 | snext[pos] = sfirst[ch] - pos; | |
| 668 | else | |
| 669 | snext[pos] = -pos; | |
| 670 | sfirst[ch] = pos; | |
| 79072805 LW |
671 | } |
| 672 | ||
| c07a80fd | 673 | SvSCREAM_on(sv); |
| 14befaf4 DM |
674 | /* piggyback on m//g magic */ |
| 675 | sv_magic(sv, Nullsv, PERL_MAGIC_regex_global, Nullch, 0); | |
| 1e422769 | 676 | RETPUSHYES; |
| 79072805 LW |
677 | } |
| 678 | ||
| a0d0e21e | 679 | PP(pp_trans) |
| 79072805 | 680 | { |
| 39644a26 | 681 | dSP; dTARG; |
| a0d0e21e LW |
682 | SV *sv; |
| 683 | ||
| 533c011a | 684 | if (PL_op->op_flags & OPf_STACKED) |
| a0d0e21e | 685 | sv = POPs; |
| 59f00321 RGS |
686 | else if (PL_op->op_private & OPpTARGET_MY) |
| 687 | sv = GETTARGET; | |
| 79072805 | 688 | else { |
| 54b9620d | 689 | sv = DEFSV; |
| a0d0e21e | 690 | EXTEND(SP,1); |
| 79072805 | 691 | } |
| adbc6bb1 | 692 | TARG = sv_newmortal(); |
| 4757a243 | 693 | PUSHi(do_trans(sv)); |
| a0d0e21e | 694 | RETURN; |
| 79072805 LW |
695 | } |
| 696 | ||
| a0d0e21e | 697 | /* Lvalue operators. */ |
| 79072805 | 698 | |
| a0d0e21e LW |
699 | PP(pp_schop) |
| 700 | { | |
| 39644a26 | 701 | dSP; dTARGET; |
| a0d0e21e LW |
702 | do_chop(TARG, TOPs); |
| 703 | SETTARG; | |
| 704 | RETURN; | |
| 79072805 LW |
705 | } |
| 706 | ||
| a0d0e21e | 707 | PP(pp_chop) |
| 79072805 | 708 | { |
| 2ec6af5f RG |
709 | dSP; dMARK; dTARGET; dORIGMARK; |
| 710 | while (MARK < SP) | |
| 711 | do_chop(TARG, *++MARK); | |
| 712 | SP = ORIGMARK; | |
| a0d0e21e LW |
713 | PUSHTARG; |
| 714 | RETURN; | |
| 79072805 LW |
715 | } |
| 716 | ||
| a0d0e21e | 717 | PP(pp_schomp) |
| 79072805 | 718 | { |
| 39644a26 | 719 | dSP; dTARGET; |
| a0d0e21e LW |
720 | SETi(do_chomp(TOPs)); |
| 721 | RETURN; | |
| 79072805 LW |
722 | } |
| 723 | ||
| a0d0e21e | 724 | PP(pp_chomp) |
| 79072805 | 725 | { |
| 39644a26 | 726 | dSP; dMARK; dTARGET; |
| a0d0e21e | 727 | register I32 count = 0; |
| 8ec5e241 | 728 | |
| a0d0e21e LW |
729 | while (SP > MARK) |
| 730 | count += do_chomp(POPs); | |
| 731 | PUSHi(count); | |
| 732 | RETURN; | |
| 79072805 LW |
733 | } |
| 734 | ||
| a0d0e21e | 735 | PP(pp_defined) |
| 463ee0b2 | 736 | { |
| 39644a26 | 737 | dSP; |
| 1b6737cc | 738 | register SV* const sv = POPs; |
| a0d0e21e | 739 | |
| a0d0e21e LW |
740 | if (!sv || !SvANY(sv)) |
| 741 | RETPUSHNO; | |
| 742 | switch (SvTYPE(sv)) { | |
| 743 | case SVt_PVAV: | |
| 14befaf4 DM |
744 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) |
| 745 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
| a0d0e21e LW |
746 | RETPUSHYES; |
| 747 | break; | |
| 748 | case SVt_PVHV: | |
| 14befaf4 DM |
749 | if (HvARRAY(sv) || SvGMAGICAL(sv) |
| 750 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
| a0d0e21e LW |
751 | RETPUSHYES; |
| 752 | break; | |
| 753 | case SVt_PVCV: | |
| 754 | if (CvROOT(sv) || CvXSUB(sv)) | |
| 755 | RETPUSHYES; | |
| 756 | break; | |
| 757 | default: | |
| 758 | if (SvGMAGICAL(sv)) | |
| 759 | mg_get(sv); | |
| 760 | if (SvOK(sv)) | |
| 761 | RETPUSHYES; | |
| 762 | } | |
| 763 | RETPUSHNO; | |
| 463ee0b2 LW |
764 | } |
| 765 | ||
| a0d0e21e LW |
766 | PP(pp_undef) |
| 767 | { | |
| 39644a26 | 768 | dSP; |
| a0d0e21e LW |
769 | SV *sv; |
| 770 | ||
| 533c011a | 771 | if (!PL_op->op_private) { |
| 774d564b | 772 | EXTEND(SP, 1); |
| a0d0e21e | 773 | RETPUSHUNDEF; |
| 774d564b | 774 | } |
| 79072805 | 775 | |
| a0d0e21e LW |
776 | sv = POPs; |
| 777 | if (!sv) | |
| 778 | RETPUSHUNDEF; | |
| 85e6fe83 | 779 | |
| 765f542d | 780 | SV_CHECK_THINKFIRST_COW_DROP(sv); |
| 85e6fe83 | 781 | |
| a0d0e21e LW |
782 | switch (SvTYPE(sv)) { |
| 783 | case SVt_NULL: | |
| 784 | break; | |
| 785 | case SVt_PVAV: | |
| 786 | av_undef((AV*)sv); | |
| 787 | break; | |
| 788 | case SVt_PVHV: | |
| 789 | hv_undef((HV*)sv); | |
| 790 | break; | |
| 791 | case SVt_PVCV: | |
| 041457d9 | 792 | if (cv_const_sv((CV*)sv) && ckWARN(WARN_MISC)) |
| 9014280d | 793 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Constant subroutine %s undefined", |
| 54310121 | 794 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
| 9607fc9c | 795 | /* FALL THROUGH */ |
| 796 | case SVt_PVFM: | |
| 6fc92669 GS |
797 | { |
| 798 | /* let user-undef'd sub keep its identity */ | |
| 65c50114 | 799 | GV* gv = CvGV((CV*)sv); |
| 6fc92669 GS |
800 | cv_undef((CV*)sv); |
| 801 | CvGV((CV*)sv) = gv; | |
| 802 | } | |
| a0d0e21e | 803 | break; |
| 8e07c86e | 804 | case SVt_PVGV: |
| 44a8e56a | 805 | if (SvFAKE(sv)) |
| 3280af22 | 806 | SvSetMagicSV(sv, &PL_sv_undef); |
| 20408e3c GS |
807 | else { |
| 808 | GP *gp; | |
| 809 | gp_free((GV*)sv); | |
| a02a5408 | 810 | Newxz(gp, 1, GP); |
| 20408e3c GS |
811 | GvGP(sv) = gp_ref(gp); |
| 812 | GvSV(sv) = NEWSV(72,0); | |
| 57843af0 | 813 | GvLINE(sv) = CopLINE(PL_curcop); |
| 20408e3c GS |
814 | GvEGV(sv) = (GV*)sv; |
| 815 | GvMULTI_on(sv); | |
| 816 | } | |
| 44a8e56a | 817 | break; |
| a0d0e21e | 818 | default: |
| b15aece3 | 819 | if (SvTYPE(sv) >= SVt_PV && SvPVX_const(sv) && SvLEN(sv)) { |
| 8bd4d4c5 | 820 | SvPV_free(sv); |
| 4633a7c4 LW |
821 | SvPV_set(sv, Nullch); |
| 822 | SvLEN_set(sv, 0); | |
| a0d0e21e | 823 | } |
| 0c34ef67 | 824 | SvOK_off(sv); |
| 4633a7c4 | 825 | SvSETMAGIC(sv); |
| 79072805 | 826 | } |
| a0d0e21e LW |
827 | |
| 828 | RETPUSHUNDEF; | |
| 79072805 LW |
829 | } |
| 830 | ||
| a0d0e21e | 831 | PP(pp_predec) |
| 79072805 | 832 | { |
| 39644a26 | 833 | dSP; |
| f39684df | 834 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
| d470f89e | 835 | DIE(aTHX_ PL_no_modify); |
| 3510b4a1 NC |
836 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 837 | && SvIVX(TOPs) != IV_MIN) | |
| 55497cff | 838 | { |
| 45977657 | 839 | SvIV_set(TOPs, SvIVX(TOPs) - 1); |
| 55497cff | 840 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
841 | } |
| 842 | else | |
| 843 | sv_dec(TOPs); | |
| a0d0e21e LW |
844 | SvSETMAGIC(TOPs); |
| 845 | return NORMAL; | |
| 846 | } | |
| 79072805 | 847 | |
| a0d0e21e LW |
848 | PP(pp_postinc) |
| 849 | { | |
| 39644a26 | 850 | dSP; dTARGET; |
| f39684df | 851 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
| d470f89e | 852 | DIE(aTHX_ PL_no_modify); |
| a0d0e21e | 853 | sv_setsv(TARG, TOPs); |
| 3510b4a1 NC |
854 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 855 | && SvIVX(TOPs) != IV_MAX) | |
| 55497cff | 856 | { |
| 45977657 | 857 | SvIV_set(TOPs, SvIVX(TOPs) + 1); |
| 55497cff | 858 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
859 | } |
| 860 | else | |
| 861 | sv_inc(TOPs); | |
| a0d0e21e | 862 | SvSETMAGIC(TOPs); |
| 1e54a23f | 863 | /* special case for undef: see thread at 2003-03/msg00536.html in archive */ |
| a0d0e21e LW |
864 | if (!SvOK(TARG)) |
| 865 | sv_setiv(TARG, 0); | |
| 866 | SETs(TARG); | |
| 867 | return NORMAL; | |
| 868 | } | |
| 79072805 | 869 | |
| a0d0e21e LW |
870 | PP(pp_postdec) |
| 871 | { | |
| 39644a26 | 872 | dSP; dTARGET; |
| f39684df | 873 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
| d470f89e | 874 | DIE(aTHX_ PL_no_modify); |
| a0d0e21e | 875 | sv_setsv(TARG, TOPs); |
| 3510b4a1 NC |
876 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 877 | && SvIVX(TOPs) != IV_MIN) | |
| 55497cff | 878 | { |
| 45977657 | 879 | SvIV_set(TOPs, SvIVX(TOPs) - 1); |
| 55497cff | 880 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
881 | } |
| 882 | else | |
| 883 | sv_dec(TOPs); | |
| a0d0e21e LW |
884 | SvSETMAGIC(TOPs); |
| 885 | SETs(TARG); | |
| 886 | return NORMAL; | |
| 887 | } | |
| 79072805 | 888 | |
| a0d0e21e LW |
889 | /* Ordinary operators. */ |
| 890 | ||
| 891 | PP(pp_pow) | |
| 892 | { | |
| 52a96ae6 | 893 | dSP; dATARGET; |
| 58d76dfd | 894 | #ifdef PERL_PRESERVE_IVUV |
| 52a96ae6 HS |
895 | bool is_int = 0; |
| 896 | #endif | |
| 897 | tryAMAGICbin(pow,opASSIGN); | |
| 898 | #ifdef PERL_PRESERVE_IVUV | |
| 899 | /* For integer to integer power, we do the calculation by hand wherever | |
| 900 | we're sure it is safe; otherwise we call pow() and try to convert to | |
| 901 | integer afterwards. */ | |
| 58d76dfd JH |
902 | { |
| 903 | SvIV_please(TOPm1s); | |
| 904 | if (SvIOK(TOPm1s)) { | |
| 905 | bool baseuok = SvUOK(TOPm1s); | |
| 906 | UV baseuv; | |
| 907 | ||
| 908 | if (baseuok) { | |
| 909 | baseuv = SvUVX(TOPm1s); | |
| 910 | } else { | |
| 1b6737cc | 911 | const IV iv = SvIVX(TOPm1s); |
| 58d76dfd JH |
912 | if (iv >= 0) { |
| 913 | baseuv = iv; | |
| 914 | baseuok = TRUE; /* effectively it's a UV now */ | |
| 915 | } else { | |
| 916 | baseuv = -iv; /* abs, baseuok == false records sign */ | |
| 917 | } | |
| 918 | } | |
| 919 | SvIV_please(TOPs); | |
| 920 | if (SvIOK(TOPs)) { | |
| 921 | UV power; | |
| 922 | ||
| 923 | if (SvUOK(TOPs)) { | |
| 924 | power = SvUVX(TOPs); | |
| 925 | } else { | |
| 926 | IV iv = SvIVX(TOPs); | |
| 927 | if (iv >= 0) { | |
| 928 | power = iv; | |
| 929 | } else { | |
| 930 | goto float_it; /* Can't do negative powers this way. */ | |
| 931 | } | |
| 932 | } | |
| 52a96ae6 HS |
933 | /* now we have integer ** positive integer. */ |
| 934 | is_int = 1; | |
| 935 | ||
| 936 | /* foo & (foo - 1) is zero only for a power of 2. */ | |
| 58d76dfd | 937 | if (!(baseuv & (baseuv - 1))) { |
| 52a96ae6 | 938 | /* We are raising power-of-2 to a positive integer. |
| 58d76dfd JH |
939 | The logic here will work for any base (even non-integer |
| 940 | bases) but it can be less accurate than | |
| 941 | pow (base,power) or exp (power * log (base)) when the | |
| 942 | intermediate values start to spill out of the mantissa. | |
| 943 | With powers of 2 we know this can't happen. | |
| 944 | And powers of 2 are the favourite thing for perl | |
| 945 | programmers to notice ** not doing what they mean. */ | |
| 946 | NV result = 1.0; | |
| 947 | NV base = baseuok ? baseuv : -(NV)baseuv; | |
| 948 | int n = 0; | |
| 949 | ||
| 58d76dfd JH |
950 | for (; power; base *= base, n++) { |
| 951 | /* Do I look like I trust gcc with long longs here? | |
| 952 | Do I hell. */ | |
| 1b6737cc | 953 | const UV bit = (UV)1 << (UV)n; |
| 58d76dfd JH |
954 | if (power & bit) { |
| 955 | result *= base; | |
| 956 | /* Only bother to clear the bit if it is set. */ | |
| 52a96ae6 | 957 | power -= bit; |
| 90fcb902 CB |
958 | /* Avoid squaring base again if we're done. */ |
| 959 | if (power == 0) break; | |
| 58d76dfd JH |
960 | } |
| 961 | } | |
| 962 | SP--; | |
| 963 | SETn( result ); | |
| 52a96ae6 | 964 | SvIV_please(TOPs); |
| 58d76dfd | 965 | RETURN; |
| 52a96ae6 HS |
966 | } else { |
| 967 | register unsigned int highbit = 8 * sizeof(UV); | |
| 968 | register unsigned int lowbit = 0; | |
| 969 | register unsigned int diff; | |
| 56c23875 | 970 | bool odd_power = (bool)(power & 1); |
| 52a96ae6 HS |
971 | while ((diff = (highbit - lowbit) >> 1)) { |
| 972 | if (baseuv & ~((1 << (lowbit + diff)) - 1)) | |
| 973 | lowbit += diff; | |
| 974 | else | |
| 975 | highbit -= diff; | |
| 976 | } | |
| 977 | /* we now have baseuv < 2 ** highbit */ | |
| 978 | if (power * highbit <= 8 * sizeof(UV)) { | |
| 979 | /* result will definitely fit in UV, so use UV math | |
| 980 | on same algorithm as above */ | |
| 981 | register UV result = 1; | |
| 982 | register UV base = baseuv; | |
| 983 | register int n = 0; | |
| 984 | for (; power; base *= base, n++) { | |
| 1b6737cc | 985 | register const UV bit = (UV)1 << (UV)n; |
| 52a96ae6 HS |
986 | if (power & bit) { |
| 987 | result *= base; | |
| 988 | power -= bit; | |
| 989 | if (power == 0) break; | |
| 990 | } | |
| 991 | } | |
| 992 | SP--; | |
| 0615a994 | 993 | if (baseuok || !odd_power) |
| 52a96ae6 HS |
994 | /* answer is positive */ |
| 995 | SETu( result ); | |
| 996 | else if (result <= (UV)IV_MAX) | |
| 997 | /* answer negative, fits in IV */ | |
| 998 | SETi( -(IV)result ); | |
| 999 | else if (result == (UV)IV_MIN) | |
| 1000 | /* 2's complement assumption: special case IV_MIN */ | |
| 1001 | SETi( IV_MIN ); | |
| 1002 | else | |
| 1003 | /* answer negative, doesn't fit */ | |
| 1004 | SETn( -(NV)result ); | |
| 1005 | RETURN; | |
| 1006 | } | |
| 1007 | } | |
| 1008 | } | |
| 1009 | } | |
| 58d76dfd | 1010 | } |
| 52a96ae6 | 1011 | float_it: |
| 58d76dfd | 1012 | #endif |
| a0d0e21e | 1013 | { |
| 52a96ae6 HS |
1014 | dPOPTOPnnrl; |
| 1015 | SETn( Perl_pow( left, right) ); | |
| 1016 | #ifdef PERL_PRESERVE_IVUV | |
| 1017 | if (is_int) | |
| 1018 | SvIV_please(TOPs); | |
| 1019 | #endif | |
| 1020 | RETURN; | |
| 93a17b20 | 1021 | } |
| a0d0e21e LW |
1022 | } |
| 1023 | ||
| 1024 | PP(pp_multiply) | |
| 1025 | { | |
| 39644a26 | 1026 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
| 28e5dec8 JH |
1027 | #ifdef PERL_PRESERVE_IVUV |
| 1028 | SvIV_please(TOPs); | |
| 1029 | if (SvIOK(TOPs)) { | |
| 1030 | /* Unless the left argument is integer in range we are going to have to | |
| 1031 | use NV maths. Hence only attempt to coerce the right argument if | |
| 1032 | we know the left is integer. */ | |
| 1033 | /* Left operand is defined, so is it IV? */ | |
| 1034 | SvIV_please(TOPm1s); | |
| 1035 | if (SvIOK(TOPm1s)) { | |
| 1036 | bool auvok = SvUOK(TOPm1s); | |
| 1037 | bool buvok = SvUOK(TOPs); | |
| 1038 | const UV topmask = (~ (UV)0) << (4 * sizeof (UV)); | |
| 1039 | const UV botmask = ~((~ (UV)0) << (4 * sizeof (UV))); | |
| 1040 | UV alow; | |
| 1041 | UV ahigh; | |
| 1042 | UV blow; | |
| 1043 | UV bhigh; | |
| 1044 | ||
| 1045 | if (auvok) { | |
| 1046 | alow = SvUVX(TOPm1s); | |
| 1047 | } else { | |
| 1b6737cc | 1048 | const IV aiv = SvIVX(TOPm1s); |
| 28e5dec8 JH |
1049 | if (aiv >= 0) { |
| 1050 | alow = aiv; | |
| 1051 | auvok = TRUE; /* effectively it's a UV now */ | |
| 1052 | } else { | |
| 1053 | alow = -aiv; /* abs, auvok == false records sign */ | |
| 1054 | } | |
| 1055 | } | |
| 1056 | if (buvok) { | |
| 1057 | blow = SvUVX(TOPs); | |
| 1058 | } else { | |
| 1b6737cc | 1059 | const IV biv = SvIVX(TOPs); |
| 28e5dec8 JH |
1060 | if (biv >= 0) { |
| 1061 | blow = biv; | |
| 1062 | buvok = TRUE; /* effectively it's a UV now */ | |
| 1063 | } else { | |
| 1064 | blow = -biv; /* abs, buvok == false records sign */ | |
| 1065 | } | |
| 1066 | } | |
| 1067 | ||
| 1068 | /* If this does sign extension on unsigned it's time for plan B */ | |
| 1069 | ahigh = alow >> (4 * sizeof (UV)); | |
| 1070 | alow &= botmask; | |
| 1071 | bhigh = blow >> (4 * sizeof (UV)); | |
| 1072 | blow &= botmask; | |
| 1073 | if (ahigh && bhigh) { | |
| 1074 | /* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000 | |
| 1075 | which is overflow. Drop to NVs below. */ | |
| 1076 | } else if (!ahigh && !bhigh) { | |
| 1077 | /* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001 | |
| 1078 | so the unsigned multiply cannot overflow. */ | |
| 1079 | UV product = alow * blow; | |
| 1080 | if (auvok == buvok) { | |
| 1081 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
| 1082 | SP--; | |
| 1083 | SETu( product ); | |
| 1084 | RETURN; | |
| 1085 | } else if (product <= (UV)IV_MIN) { | |
| 1086 | /* 2s complement assumption that (UV)-IV_MIN is correct. */ | |
| 1087 | /* -ve result, which could overflow an IV */ | |
| 1088 | SP--; | |
| 25716404 | 1089 | SETi( -(IV)product ); |
| 28e5dec8 JH |
1090 | RETURN; |
| 1091 | } /* else drop to NVs below. */ | |
| 1092 | } else { | |
| 1093 | /* One operand is large, 1 small */ | |
| 1094 | UV product_middle; | |
| 1095 | if (bhigh) { | |
| 1096 | /* swap the operands */ | |
| 1097 | ahigh = bhigh; | |
| 1098 | bhigh = blow; /* bhigh now the temp var for the swap */ | |
| 1099 | blow = alow; | |
| 1100 | alow = bhigh; | |
| 1101 | } | |
| 1102 | /* now, ((ahigh * blow) << half_UV_len) + (alow * blow) | |
| 1103 | multiplies can't overflow. shift can, add can, -ve can. */ | |
| 1104 | product_middle = ahigh * blow; | |
| 1105 | if (!(product_middle & topmask)) { | |
| 1106 | /* OK, (ahigh * blow) won't lose bits when we shift it. */ | |
| 1107 | UV product_low; | |
| 1108 | product_middle <<= (4 * sizeof (UV)); | |
| 1109 | product_low = alow * blow; | |
| 1110 | ||
| 1111 | /* as for pp_add, UV + something mustn't get smaller. | |
| 1112 | IIRC ANSI mandates this wrapping *behaviour* for | |
| 1113 | unsigned whatever the actual representation*/ | |
| 1114 | product_low += product_middle; | |
| 1115 | if (product_low >= product_middle) { | |
| 1116 | /* didn't overflow */ | |
| 1117 | if (auvok == buvok) { | |
| 1118 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
| 1119 | SP--; | |
| 1120 | SETu( product_low ); | |
| 1121 | RETURN; | |
| 1122 | } else if (product_low <= (UV)IV_MIN) { | |
| 1123 | /* 2s complement assumption again */ | |
| 1124 | /* -ve result, which could overflow an IV */ | |
| 1125 | SP--; | |
| 25716404 | 1126 | SETi( -(IV)product_low ); |
| 28e5dec8 JH |
1127 | RETURN; |
| 1128 | } /* else drop to NVs below. */ | |
| 1129 | } | |
| 1130 | } /* product_middle too large */ | |
| 1131 | } /* ahigh && bhigh */ | |
| 1132 | } /* SvIOK(TOPm1s) */ | |
| 1133 | } /* SvIOK(TOPs) */ | |
| 1134 | #endif | |
| a0d0e21e LW |
1135 | { |
| 1136 | dPOPTOPnnrl; | |
| 1137 | SETn( left * right ); | |
| 1138 | RETURN; | |
| 79072805 | 1139 | } |
| a0d0e21e LW |
1140 | } |
| 1141 | ||
| 1142 | PP(pp_divide) | |
| 1143 | { | |
| 39644a26 | 1144 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
| 5479d192 | 1145 | /* Only try to do UV divide first |
| 68795e93 | 1146 | if ((SLOPPYDIVIDE is true) or |
| 5479d192 NC |
1147 | (PERL_PRESERVE_IVUV is true and one or both SV is a UV too large |
| 1148 | to preserve)) | |
| 1149 | The assumption is that it is better to use floating point divide | |
| 1150 | whenever possible, only doing integer divide first if we can't be sure. | |
| 1151 | If NV_PRESERVES_UV is true then we know at compile time that no UV | |
| 1152 | can be too large to preserve, so don't need to compile the code to | |
| 1153 | test the size of UVs. */ | |
| 1154 | ||
| a0d0e21e | 1155 | #ifdef SLOPPYDIVIDE |
| 5479d192 NC |
1156 | # define PERL_TRY_UV_DIVIDE |
| 1157 | /* ensure that 20./5. == 4. */ | |
| a0d0e21e | 1158 | #else |
| 5479d192 NC |
1159 | # ifdef PERL_PRESERVE_IVUV |
| 1160 | # ifndef NV_PRESERVES_UV | |
| 1161 | # define PERL_TRY_UV_DIVIDE | |
| 1162 | # endif | |
| 1163 | # endif | |
| a0d0e21e | 1164 | #endif |
| 5479d192 NC |
1165 | |
| 1166 | #ifdef PERL_TRY_UV_DIVIDE | |
| 1167 | SvIV_please(TOPs); | |
| 1168 | if (SvIOK(TOPs)) { | |
| 1169 | SvIV_please(TOPm1s); | |
| 1170 | if (SvIOK(TOPm1s)) { | |
| 1171 | bool left_non_neg = SvUOK(TOPm1s); | |
| 1172 | bool right_non_neg = SvUOK(TOPs); | |
| 1173 | UV left; | |
| 1174 | UV right; | |
| 1175 | ||
| 1176 | if (right_non_neg) { | |
| 1177 | right = SvUVX(TOPs); | |
| 1178 | } | |
| 1179 | else { | |
| 1b6737cc | 1180 | const IV biv = SvIVX(TOPs); |
| 5479d192 NC |
1181 | if (biv >= 0) { |
| 1182 | right = biv; | |
| 1183 | right_non_neg = TRUE; /* effectively it's a UV now */ | |
| 1184 | } | |
| 1185 | else { | |
| 1186 | right = -biv; | |
| 1187 | } | |
| 1188 | } | |
| 1189 | /* historically undef()/0 gives a "Use of uninitialized value" | |
| 1190 | warning before dieing, hence this test goes here. | |
| 1191 | If it were immediately before the second SvIV_please, then | |
| 1192 | DIE() would be invoked before left was even inspected, so | |
| 1193 | no inpsection would give no warning. */ | |
| 1194 | if (right == 0) | |
| 1195 | DIE(aTHX_ "Illegal division by zero"); | |
| 1196 | ||
| 1197 | if (left_non_neg) { | |
| 1198 | left = SvUVX(TOPm1s); | |
| 1199 | } | |
| 1200 | else { | |
| 1b6737cc | 1201 | const IV aiv = SvIVX(TOPm1s); |
| 5479d192 NC |
1202 | if (aiv >= 0) { |
| 1203 | left = aiv; | |
| 1204 | left_non_neg = TRUE; /* effectively it's a UV now */ | |
| 1205 | } | |
| 1206 | else { | |
| 1207 | left = -aiv; | |
| 1208 | } | |
| 1209 | } | |
| 1210 | ||
| 1211 | if (left >= right | |
| 1212 | #ifdef SLOPPYDIVIDE | |
| 1213 | /* For sloppy divide we always attempt integer division. */ | |
| 1214 | #else | |
| 1215 | /* Otherwise we only attempt it if either or both operands | |
| 1216 | would not be preserved by an NV. If both fit in NVs | |
| 0c2ee62a NC |
1217 | we fall through to the NV divide code below. However, |
| 1218 | as left >= right to ensure integer result here, we know that | |
| 1219 | we can skip the test on the right operand - right big | |
| 1220 | enough not to be preserved can't get here unless left is | |
| 1221 | also too big. */ | |
| 1222 | ||
| 1223 | && (left > ((UV)1 << NV_PRESERVES_UV_BITS)) | |
| 5479d192 NC |
1224 | #endif |
| 1225 | ) { | |
| 1226 | /* Integer division can't overflow, but it can be imprecise. */ | |
| 1b6737cc | 1227 | const UV result = left / right; |
| 5479d192 NC |
1228 | if (result * right == left) { |
| 1229 | SP--; /* result is valid */ | |
| 1230 | if (left_non_neg == right_non_neg) { | |
| 1231 | /* signs identical, result is positive. */ | |
| 1232 | SETu( result ); | |
| 1233 | RETURN; | |
| 1234 | } | |
| 1235 | /* 2s complement assumption */ | |
| 1236 | if (result <= (UV)IV_MIN) | |
| 91f3b821 | 1237 | SETi( -(IV)result ); |
| 5479d192 NC |
1238 | else { |
| 1239 | /* It's exact but too negative for IV. */ | |
| 1240 | SETn( -(NV)result ); | |
| 1241 | } | |
| 1242 | RETURN; | |
| 1243 | } /* tried integer divide but it was not an integer result */ | |
| 32fdb065 | 1244 | } /* else (PERL_ABS(result) < 1.0) or (both UVs in range for NV) */ |
| 5479d192 NC |
1245 | } /* left wasn't SvIOK */ |
| 1246 | } /* right wasn't SvIOK */ | |
| 1247 | #endif /* PERL_TRY_UV_DIVIDE */ | |
| 1248 | { | |
| 1249 | dPOPPOPnnrl; | |
| 1250 | if (right == 0.0) | |
| 1251 | DIE(aTHX_ "Illegal division by zero"); | |
| 1252 | PUSHn( left / right ); | |
| 1253 | RETURN; | |
| 79072805 | 1254 | } |
| a0d0e21e LW |
1255 | } |
| 1256 | ||
| 1257 | PP(pp_modulo) | |
| 1258 | { | |
| 39644a26 | 1259 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| a0d0e21e | 1260 | { |
| 9c5ffd7c JH |
1261 | UV left = 0; |
| 1262 | UV right = 0; | |
| dc656993 JH |
1263 | bool left_neg = FALSE; |
| 1264 | bool right_neg = FALSE; | |
| e2c88acc NC |
1265 | bool use_double = FALSE; |
| 1266 | bool dright_valid = FALSE; | |
| 9c5ffd7c JH |
1267 | NV dright = 0.0; |
| 1268 | NV dleft = 0.0; | |
| 787eafbd | 1269 | |
| e2c88acc NC |
1270 | SvIV_please(TOPs); |
| 1271 | if (SvIOK(TOPs)) { | |
| 1272 | right_neg = !SvUOK(TOPs); | |
| 1273 | if (!right_neg) { | |
| 1274 | right = SvUVX(POPs); | |
| 1275 | } else { | |
| 1b6737cc | 1276 | const IV biv = SvIVX(POPs); |
| e2c88acc NC |
1277 | if (biv >= 0) { |
| 1278 | right = biv; | |
| 1279 | right_neg = FALSE; /* effectively it's a UV now */ | |
| 1280 | } else { | |
| 1281 | right = -biv; | |
| 1282 | } | |
| 1283 | } | |
| 1284 | } | |
| 1285 | else { | |
| 787eafbd | 1286 | dright = POPn; |
| 787eafbd IZ |
1287 | right_neg = dright < 0; |
| 1288 | if (right_neg) | |
| 1289 | dright = -dright; | |
| e2c88acc NC |
1290 | if (dright < UV_MAX_P1) { |
| 1291 | right = U_V(dright); | |
| 1292 | dright_valid = TRUE; /* In case we need to use double below. */ | |
| 1293 | } else { | |
| 1294 | use_double = TRUE; | |
| 1295 | } | |
| 787eafbd | 1296 | } |
| a0d0e21e | 1297 | |
| e2c88acc NC |
1298 | /* At this point use_double is only true if right is out of range for |
| 1299 | a UV. In range NV has been rounded down to nearest UV and | |
| 1300 | use_double false. */ | |
| 1301 | SvIV_please(TOPs); | |
| 1302 | if (!use_double && SvIOK(TOPs)) { | |
| 1303 | if (SvIOK(TOPs)) { | |
| 1304 | left_neg = !SvUOK(TOPs); | |
| 1305 | if (!left_neg) { | |
| 1306 | left = SvUVX(POPs); | |
| 1307 | } else { | |
| 1308 | IV aiv = SvIVX(POPs); | |
| 1309 | if (aiv >= 0) { | |
| 1310 | left = aiv; | |
| 1311 | left_neg = FALSE; /* effectively it's a UV now */ | |
| 1312 | } else { | |
| 1313 | left = -aiv; | |
| 1314 | } | |
| 1315 | } | |
| 1316 | } | |
| 1317 | } | |
| 787eafbd IZ |
1318 | else { |
| 1319 | dleft = POPn; | |
| 787eafbd IZ |
1320 | left_neg = dleft < 0; |
| 1321 | if (left_neg) | |
| 1322 | dleft = -dleft; | |
| 68dc0745 | 1323 | |
| e2c88acc NC |
1324 | /* This should be exactly the 5.6 behaviour - if left and right are |
| 1325 | both in range for UV then use U_V() rather than floor. */ | |
| 1326 | if (!use_double) { | |
| 1327 | if (dleft < UV_MAX_P1) { | |
| 1328 | /* right was in range, so is dleft, so use UVs not double. | |
| 1329 | */ | |
| 1330 | left = U_V(dleft); | |
| 1331 | } | |
| 1332 | /* left is out of range for UV, right was in range, so promote | |
| 1333 | right (back) to double. */ | |
| 1334 | else { | |
| 1335 | /* The +0.5 is used in 5.6 even though it is not strictly | |
| 1336 | consistent with the implicit +0 floor in the U_V() | |
| 1337 | inside the #if 1. */ | |
| 1338 | dleft = Perl_floor(dleft + 0.5); | |
| 1339 | use_double = TRUE; | |
| 1340 | if (dright_valid) | |
| 1341 | dright = Perl_floor(dright + 0.5); | |
| 1342 | else | |
| 1343 | dright = right; | |
| 1344 | } | |
| 1345 | } | |
| 1346 | } | |
| 787eafbd | 1347 | if (use_double) { |
| 65202027 | 1348 | NV dans; |
| 787eafbd | 1349 | |
| 787eafbd | 1350 | if (!dright) |
| cea2e8a9 | 1351 | DIE(aTHX_ "Illegal modulus zero"); |
| 787eafbd | 1352 | |
| 65202027 | 1353 | dans = Perl_fmod(dleft, dright); |
| 787eafbd IZ |
1354 | if ((left_neg != right_neg) && dans) |
| 1355 | dans = dright - dans; | |
| 1356 | if (right_neg) | |
| 1357 | dans = -dans; | |
| 1358 | sv_setnv(TARG, dans); | |
| 1359 | } | |
| 1360 | else { | |
| 1361 | UV ans; | |
| 1362 | ||
| 787eafbd | 1363 | if (!right) |
| cea2e8a9 | 1364 | DIE(aTHX_ "Illegal modulus zero"); |
| 787eafbd IZ |
1365 | |
| 1366 | ans = left % right; | |
| 1367 | if ((left_neg != right_neg) && ans) | |
| 1368 | ans = right - ans; | |
| 1369 | if (right_neg) { | |
| 1370 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
| 1371 | /* could change -foo to be (~foo)+1 instead */ | |
| 1372 | if (ans <= ~((UV)IV_MAX)+1) | |
| 1373 | sv_setiv(TARG, ~ans+1); | |
| 1374 | else | |
| 65202027 | 1375 | sv_setnv(TARG, -(NV)ans); |
| 787eafbd IZ |
1376 | } |
| 1377 | else | |
| 1378 | sv_setuv(TARG, ans); | |
| 1379 | } | |
| 1380 | PUSHTARG; | |
| 1381 | RETURN; | |
| 79072805 | 1382 | } |
| a0d0e21e | 1383 | } |
| 79072805 | 1384 | |
| a0d0e21e LW |
1385 | PP(pp_repeat) |
| 1386 | { | |
| 39644a26 | 1387 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
| 748a9306 | 1388 | { |
| 2b573ace JH |
1389 | register IV count; |
| 1390 | dPOPss; | |
| 1391 | if (SvGMAGICAL(sv)) | |
| 1392 | mg_get(sv); | |
| 1393 | if (SvIOKp(sv)) { | |
| 1394 | if (SvUOK(sv)) { | |
| 1b6737cc | 1395 | const UV uv = SvUV(sv); |
| 2b573ace JH |
1396 | if (uv > IV_MAX) |
| 1397 | count = IV_MAX; /* The best we can do? */ | |
| 1398 | else | |
| 1399 | count = uv; | |
| 1400 | } else { | |
| 1401 | IV iv = SvIV(sv); | |
| 1402 | if (iv < 0) | |
| 1403 | count = 0; | |
| 1404 | else | |
| 1405 | count = iv; | |
| 1406 | } | |
| 1407 | } | |
| 1408 | else if (SvNOKp(sv)) { | |
| 1b6737cc | 1409 | const NV nv = SvNV(sv); |
| 2b573ace JH |
1410 | if (nv < 0.0) |
| 1411 | count = 0; | |
| 1412 | else | |
| 1413 | count = (IV)nv; | |
| 1414 | } | |
| 1415 | else | |
| 1416 | count = SvIVx(sv); | |
| 533c011a | 1417 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
| a0d0e21e LW |
1418 | dMARK; |
| 1419 | I32 items = SP - MARK; | |
| 1420 | I32 max; | |
| 2b573ace JH |
1421 | static const char oom_list_extend[] = |
| 1422 | "Out of memory during list extend"; | |
| 79072805 | 1423 | |
| a0d0e21e | 1424 | max = items * count; |
| 2b573ace JH |
1425 | MEM_WRAP_CHECK_1(max, SV*, oom_list_extend); |
| 1426 | /* Did the max computation overflow? */ | |
| 27d5b266 | 1427 | if (items > 0 && max > 0 && (max < items || max < count)) |
| 2b573ace | 1428 | Perl_croak(aTHX_ oom_list_extend); |
| a0d0e21e LW |
1429 | MEXTEND(MARK, max); |
| 1430 | if (count > 1) { | |
| 1431 | while (SP > MARK) { | |
| 976c8a39 JH |
1432 | #if 0 |
| 1433 | /* This code was intended to fix 20010809.028: | |
| 1434 | ||
| 1435 | $x = 'abcd'; | |
| 1436 | for (($x =~ /./g) x 2) { | |
| 1437 | print chop; # "abcdabcd" expected as output. | |
| 1438 | } | |
| 1439 | ||
| 1440 | * but that change (#11635) broke this code: | |
| 1441 | ||
| 1442 | $x = [("foo")x2]; # only one "foo" ended up in the anonlist. | |
| 1443 | ||
| 1444 | * I can't think of a better fix that doesn't introduce | |
| 1445 | * an efficiency hit by copying the SVs. The stack isn't | |
| 1446 | * refcounted, and mortalisation obviously doesn't | |
| 1447 | * Do The Right Thing when the stack has more than | |
| 1448 | * one pointer to the same mortal value. | |
| 1449 | * .robin. | |
| 1450 | */ | |
| e30acc16 RH |
1451 | if (*SP) { |
| 1452 | *SP = sv_2mortal(newSVsv(*SP)); | |
| 1453 | SvREADONLY_on(*SP); | |
| 1454 | } | |
| 976c8a39 JH |
1455 | #else |
| 1456 | if (*SP) | |
| 1457 | SvTEMP_off((*SP)); | |
| 1458 | #endif | |
| a0d0e21e | 1459 | SP--; |
| 79072805 | 1460 | } |
| a0d0e21e LW |
1461 | MARK++; |
| 1462 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
| 1463 | items * sizeof(SV*), count - 1); | |
| 1464 | SP += max; | |
| 79072805 | 1465 | } |
| a0d0e21e LW |
1466 | else if (count <= 0) |
| 1467 | SP -= items; | |
| 79072805 | 1468 | } |
| a0d0e21e | 1469 | else { /* Note: mark already snarfed by pp_list */ |
| dfcb284a | 1470 | SV *tmpstr = POPs; |
| a0d0e21e | 1471 | STRLEN len; |
| 9b877dbb | 1472 | bool isutf; |
| 2b573ace JH |
1473 | static const char oom_string_extend[] = |
| 1474 | "Out of memory during string extend"; | |
| a0d0e21e | 1475 | |
| a0d0e21e LW |
1476 | SvSetSV(TARG, tmpstr); |
| 1477 | SvPV_force(TARG, len); | |
| 9b877dbb | 1478 | isutf = DO_UTF8(TARG); |
| 8ebc5c01 | 1479 | if (count != 1) { |
| 1480 | if (count < 1) | |
| 1481 | SvCUR_set(TARG, 0); | |
| 1482 | else { | |
| 991350d8 | 1483 | STRLEN max = (UV)count * len; |
| 2b573ace JH |
1484 | if (len > ((MEM_SIZE)~0)/count) |
| 1485 | Perl_croak(aTHX_ oom_string_extend); | |
| 1486 | MEM_WRAP_CHECK_1(max, char, oom_string_extend); | |
| 8569b9dc | 1487 | SvGROW(TARG, max + 1); |
| a0d0e21e | 1488 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
| b162af07 | 1489 | SvCUR_set(TARG, SvCUR(TARG) * count); |
| 7a4c00b4 | 1490 | } |
| a0d0e21e | 1491 | *SvEND(TARG) = '\0'; |
| a0d0e21e | 1492 | } |
| dfcb284a GS |
1493 | if (isutf) |
| 1494 | (void)SvPOK_only_UTF8(TARG); | |
| 1495 | else | |
| 1496 | (void)SvPOK_only(TARG); | |
| b80b6069 RH |
1497 | |
| 1498 | if (PL_op->op_private & OPpREPEAT_DOLIST) { | |
| 1499 | /* The parser saw this as a list repeat, and there | |
| 1500 | are probably several items on the stack. But we're | |
| 1501 | in scalar context, and there's no pp_list to save us | |
| 1502 | now. So drop the rest of the items -- robin@kitsite.com | |
| 1503 | */ | |
| 1504 | dMARK; | |
| 1505 | SP = MARK; | |
| 1506 | } | |
| a0d0e21e | 1507 | PUSHTARG; |
| 79072805 | 1508 | } |
| a0d0e21e | 1509 | RETURN; |
| 748a9306 | 1510 | } |
| a0d0e21e | 1511 | } |
| 79072805 | 1512 | |
| a0d0e21e LW |
1513 | PP(pp_subtract) |
| 1514 | { | |
| 39644a26 | 1515 | dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
| 28e5dec8 JH |
1516 | useleft = USE_LEFT(TOPm1s); |
| 1517 | #ifdef PERL_PRESERVE_IVUV | |
| 7dca457a NC |
1518 | /* See comments in pp_add (in pp_hot.c) about Overflow, and how |
| 1519 | "bad things" happen if you rely on signed integers wrapping. */ | |
| 28e5dec8 JH |
1520 | SvIV_please(TOPs); |
| 1521 | if (SvIOK(TOPs)) { | |
| 1522 | /* Unless the left argument is integer in range we are going to have to | |
| 1523 | use NV maths. Hence only attempt to coerce the right argument if | |
| 1524 | we know the left is integer. */ | |
| 9c5ffd7c JH |
1525 | register UV auv = 0; |
| 1526 | bool auvok = FALSE; | |
| 7dca457a NC |
1527 | bool a_valid = 0; |
| 1528 | ||
| 28e5dec8 | 1529 | if (!useleft) { |
| 7dca457a NC |
1530 | auv = 0; |
| 1531 | a_valid = auvok = 1; | |
| 1532 | /* left operand is undef, treat as zero. */ | |
| 28e5dec8 JH |
1533 | } else { |
| 1534 | /* Left operand is defined, so is it IV? */ | |
| 1535 | SvIV_please(TOPm1s); | |
| 1536 | if (SvIOK(TOPm1s)) { | |
| 7dca457a NC |
1537 | if ((auvok = SvUOK(TOPm1s))) |
| 1538 | auv = SvUVX(TOPm1s); | |
| 1539 | else { | |
| 1b6737cc | 1540 | register const IV aiv = SvIVX(TOPm1s); |
| 7dca457a NC |
1541 | if (aiv >= 0) { |
| 1542 | auv = aiv; | |
| 1543 | auvok = 1; /* Now acting as a sign flag. */ | |
| 1544 | } else { /* 2s complement assumption for IV_MIN */ | |
| 1545 | auv = (UV)-aiv; | |
| 28e5dec8 | 1546 | } |
| 7dca457a NC |
1547 | } |
| 1548 | a_valid = 1; | |
| 1549 | } | |
| 1550 | } | |
| 1551 | if (a_valid) { | |
| 1552 | bool result_good = 0; | |
| 1553 | UV result; | |
| 1554 | register UV buv; | |
| 1555 | bool buvok = SvUOK(TOPs); | |
| 9041c2e3 | 1556 | |
| 7dca457a NC |
1557 | if (buvok) |
| 1558 | buv = SvUVX(TOPs); | |
| 1559 | else { | |
| 1b6737cc | 1560 | register const IV biv = SvIVX(TOPs); |
| 7dca457a NC |
1561 | if (biv >= 0) { |
| 1562 | buv = biv; | |
| 1563 | buvok = 1; | |
| 1564 | } else | |
| 1565 | buv = (UV)-biv; | |
| 1566 | } | |
| 1567 | /* ?uvok if value is >= 0. basically, flagged as UV if it's +ve, | |
| 602f51c4 | 1568 | else "IV" now, independent of how it came in. |
| 7dca457a NC |
1569 | if a, b represents positive, A, B negative, a maps to -A etc |
| 1570 | a - b => (a - b) | |
| 1571 | A - b => -(a + b) | |
| 1572 | a - B => (a + b) | |
| 1573 | A - B => -(a - b) | |
| 1574 | all UV maths. negate result if A negative. | |
| 1575 | subtract if signs same, add if signs differ. */ | |
| 1576 | ||
| 1577 | if (auvok ^ buvok) { | |
| 1578 | /* Signs differ. */ | |
| 1579 | result = auv + buv; | |
| 1580 | if (result >= auv) | |
| 1581 | result_good = 1; | |
| 1582 | } else { | |
| 1583 | /* Signs same */ | |
| 1584 | if (auv >= buv) { | |
| 1585 | result = auv - buv; | |
| 1586 | /* Must get smaller */ | |
| 1587 | if (result <= auv) | |
| 1588 | result_good = 1; | |
| 1589 | } else { | |
| 1590 | result = buv - auv; | |
| 1591 | if (result <= buv) { | |
| 1592 | /* result really should be -(auv-buv). as its negation | |
| 1593 | of true value, need to swap our result flag */ | |
| 1594 | auvok = !auvok; | |
| 1595 | result_good = 1; | |
| 28e5dec8 | 1596 | } |
| 28e5dec8 JH |
1597 | } |
| 1598 | } | |
| 7dca457a NC |
1599 | if (result_good) { |
| 1600 | SP--; | |
| 1601 | if (auvok) | |
| 1602 | SETu( result ); | |
| 1603 | else { | |
| 1604 | /* Negate result */ | |
| 1605 | if (result <= (UV)IV_MIN) | |
| 1606 | SETi( -(IV)result ); | |
| 1607 | else { | |
| 1608 | /* result valid, but out of range for IV. */ | |
| 1609 | SETn( -(NV)result ); | |
| 1610 | } | |
| 1611 | } | |
| 1612 | RETURN; | |
| 1613 | } /* Overflow, drop through to NVs. */ | |
| 28e5dec8 JH |
1614 | } |
| 1615 | } | |
| 1616 | #endif | |
| 7dca457a | 1617 | useleft = USE_LEFT(TOPm1s); |
| a0d0e21e | 1618 | { |
| 28e5dec8 JH |
1619 | dPOPnv; |
| 1620 | if (!useleft) { | |
| 1621 | /* left operand is undef, treat as zero - value */ | |
| 1622 | SETn(-value); | |
| 1623 | RETURN; | |
| 1624 | } | |
| 1625 | SETn( TOPn - value ); | |
| 1626 | RETURN; | |
| 79072805 | 1627 | } |
| a0d0e21e | 1628 | } |
| 79072805 | 1629 | |
| a0d0e21e LW |
1630 | PP(pp_left_shift) |
| 1631 | { | |
| 39644a26 | 1632 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
| a0d0e21e | 1633 | { |
| 1b6737cc | 1634 | const IV shift = POPi; |
| d0ba1bd2 | 1635 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
1636 | IV i = TOPi; |
| 1637 | SETi(i << shift); | |
| d0ba1bd2 JH |
1638 | } |
| 1639 | else { | |
| 972b05a9 JH |
1640 | UV u = TOPu; |
| 1641 | SETu(u << shift); | |
| d0ba1bd2 | 1642 | } |
| 55497cff | 1643 | RETURN; |
| 79072805 | 1644 | } |
| a0d0e21e | 1645 | } |
| 79072805 | 1646 | |
| a0d0e21e LW |
1647 | PP(pp_right_shift) |
| 1648 | { | |
| 39644a26 | 1649 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
| a0d0e21e | 1650 | { |
| 1b6737cc | 1651 | const IV shift = POPi; |
| d0ba1bd2 | 1652 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
1653 | IV i = TOPi; |
| 1654 | SETi(i >> shift); | |
| d0ba1bd2 JH |
1655 | } |
| 1656 | else { | |
| 972b05a9 JH |
1657 | UV u = TOPu; |
| 1658 | SETu(u >> shift); | |
| d0ba1bd2 | 1659 | } |
| a0d0e21e | 1660 | RETURN; |
| 93a17b20 | 1661 | } |
| 79072805 LW |
1662 | } |
| 1663 | ||
| a0d0e21e | 1664 | PP(pp_lt) |
| 79072805 | 1665 | { |
| 39644a26 | 1666 | dSP; tryAMAGICbinSET(lt,0); |
| 28e5dec8 JH |
1667 | #ifdef PERL_PRESERVE_IVUV |
| 1668 | SvIV_please(TOPs); | |
| 1669 | if (SvIOK(TOPs)) { | |
| 1670 | SvIV_please(TOPm1s); | |
| 1671 | if (SvIOK(TOPm1s)) { | |
| 1672 | bool auvok = SvUOK(TOPm1s); | |
| 1673 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1674 | |
| 28e5dec8 | 1675 | if (!auvok && !buvok) { /* ## IV < IV ## */ |
| 1b6737cc AL |
1676 | const IV aiv = SvIVX(TOPm1s); |
| 1677 | const IV biv = SvIVX(TOPs); | |
| 28e5dec8 JH |
1678 | |
| 1679 | SP--; | |
| 1680 | SETs(boolSV(aiv < biv)); | |
| 1681 | RETURN; | |
| 1682 | } | |
| 1683 | if (auvok && buvok) { /* ## UV < UV ## */ | |
| 1b6737cc AL |
1684 | const UV auv = SvUVX(TOPm1s); |
| 1685 | const UV buv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1686 | |
| 1687 | SP--; | |
| 1688 | SETs(boolSV(auv < buv)); | |
| 1689 | RETURN; | |
| 1690 | } | |
| 1691 | if (auvok) { /* ## UV < IV ## */ | |
| 1692 | UV auv; | |
| 1b6737cc | 1693 | const IV biv = SvIVX(TOPs); |
| 28e5dec8 JH |
1694 | SP--; |
| 1695 | if (biv < 0) { | |
| 1696 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
| 1697 | SETs(&PL_sv_no); | |
| 1698 | RETURN; | |
| 1699 | } | |
| 1700 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1701 | SETs(boolSV(auv < (UV)biv)); |
| 1702 | RETURN; | |
| 1703 | } | |
| 1704 | { /* ## IV < UV ## */ | |
| 1b6737cc | 1705 | const IV aiv = SvIVX(TOPm1s); |
| 28e5dec8 JH |
1706 | UV buv; |
| 1707 | ||
| 28e5dec8 JH |
1708 | if (aiv < 0) { |
| 1709 | /* As (b) is a UV, it's >=0, so it must be < */ | |
| 1710 | SP--; | |
| 1711 | SETs(&PL_sv_yes); | |
| 1712 | RETURN; | |
| 1713 | } | |
| 1714 | buv = SvUVX(TOPs); | |
| 1715 | SP--; | |
| 28e5dec8 JH |
1716 | SETs(boolSV((UV)aiv < buv)); |
| 1717 | RETURN; | |
| 1718 | } | |
| 1719 | } | |
| 1720 | } | |
| 1721 | #endif | |
| 30de85b6 | 1722 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1723 | #ifdef PERL_PRESERVE_IVUV |
| 1724 | else | |
| 1725 | #endif | |
| 0bdaccee NC |
1726 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| 1727 | SP--; | |
| 1728 | SETs(boolSV(SvRV(TOPs) < SvRV(TOPp1s))); | |
| 1729 | RETURN; | |
| 1730 | } | |
| 30de85b6 | 1731 | #endif |
| a0d0e21e LW |
1732 | { |
| 1733 | dPOPnv; | |
| 54310121 | 1734 | SETs(boolSV(TOPn < value)); |
| a0d0e21e | 1735 | RETURN; |
| 79072805 | 1736 | } |
| a0d0e21e | 1737 | } |
| 79072805 | 1738 | |
| a0d0e21e LW |
1739 | PP(pp_gt) |
| 1740 | { | |
| 39644a26 | 1741 | dSP; tryAMAGICbinSET(gt,0); |
| 28e5dec8 JH |
1742 | #ifdef PERL_PRESERVE_IVUV |
| 1743 | SvIV_please(TOPs); | |
| 1744 | if (SvIOK(TOPs)) { | |
| 1745 | SvIV_please(TOPm1s); | |
| 1746 | if (SvIOK(TOPm1s)) { | |
| 1747 | bool auvok = SvUOK(TOPm1s); | |
| 1748 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1749 | |
| 28e5dec8 | 1750 | if (!auvok && !buvok) { /* ## IV > IV ## */ |
| 1b6737cc AL |
1751 | const IV aiv = SvIVX(TOPm1s); |
| 1752 | const IV biv = SvIVX(TOPs); | |
| 1753 | ||
| 28e5dec8 JH |
1754 | SP--; |
| 1755 | SETs(boolSV(aiv > biv)); | |
| 1756 | RETURN; | |
| 1757 | } | |
| 1758 | if (auvok && buvok) { /* ## UV > UV ## */ | |
| 1b6737cc AL |
1759 | const UV auv = SvUVX(TOPm1s); |
| 1760 | const UV buv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1761 | |
| 1762 | SP--; | |
| 1763 | SETs(boolSV(auv > buv)); | |
| 1764 | RETURN; | |
| 1765 | } | |
| 1766 | if (auvok) { /* ## UV > IV ## */ | |
| 1767 | UV auv; | |
| 1b6737cc AL |
1768 | const IV biv = SvIVX(TOPs); |
| 1769 | ||
| 28e5dec8 JH |
1770 | SP--; |
| 1771 | if (biv < 0) { | |
| 1772 | /* As (a) is a UV, it's >=0, so it must be > */ | |
| 1773 | SETs(&PL_sv_yes); | |
| 1774 | RETURN; | |
| 1775 | } | |
| 1776 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1777 | SETs(boolSV(auv > (UV)biv)); |
| 1778 | RETURN; | |
| 1779 | } | |
| 1780 | { /* ## IV > UV ## */ | |
| 1b6737cc | 1781 | const IV aiv = SvIVX(TOPm1s); |
| 28e5dec8 JH |
1782 | UV buv; |
| 1783 | ||
| 28e5dec8 JH |
1784 | if (aiv < 0) { |
| 1785 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
| 1786 | SP--; | |
| 1787 | SETs(&PL_sv_no); | |
| 1788 | RETURN; | |
| 1789 | } | |
| 1790 | buv = SvUVX(TOPs); | |
| 1791 | SP--; | |
| 28e5dec8 JH |
1792 | SETs(boolSV((UV)aiv > buv)); |
| 1793 | RETURN; | |
| 1794 | } | |
| 1795 | } | |
| 1796 | } | |
| 1797 | #endif | |
| 30de85b6 | 1798 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1799 | #ifdef PERL_PRESERVE_IVUV |
| 1800 | else | |
| 1801 | #endif | |
| 0bdaccee | 1802 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| 30de85b6 NC |
1803 | SP--; |
| 1804 | SETs(boolSV(SvRV(TOPs) > SvRV(TOPp1s))); | |
| 1805 | RETURN; | |
| 1806 | } | |
| 1807 | #endif | |
| a0d0e21e LW |
1808 | { |
| 1809 | dPOPnv; | |
| 54310121 | 1810 | SETs(boolSV(TOPn > value)); |
| a0d0e21e | 1811 | RETURN; |
| 79072805 | 1812 | } |
| a0d0e21e LW |
1813 | } |
| 1814 | ||
| 1815 | PP(pp_le) | |
| 1816 | { | |
| 39644a26 | 1817 | dSP; tryAMAGICbinSET(le,0); |
| 28e5dec8 JH |
1818 | #ifdef PERL_PRESERVE_IVUV |
| 1819 | SvIV_please(TOPs); | |
| 1820 | if (SvIOK(TOPs)) { | |
| 1821 | SvIV_please(TOPm1s); | |
| 1822 | if (SvIOK(TOPm1s)) { | |
| 1823 | bool auvok = SvUOK(TOPm1s); | |
| 1824 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1825 | |
| 28e5dec8 | 1826 | if (!auvok && !buvok) { /* ## IV <= IV ## */ |
| 1b6737cc AL |
1827 | const IV aiv = SvIVX(TOPm1s); |
| 1828 | const IV biv = SvIVX(TOPs); | |
| 28e5dec8 JH |
1829 | |
| 1830 | SP--; | |
| 1831 | SETs(boolSV(aiv <= biv)); | |
| 1832 | RETURN; | |
| 1833 | } | |
| 1834 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
| 1835 | UV auv = SvUVX(TOPm1s); | |
| 1836 | UV buv = SvUVX(TOPs); | |
| 1837 | ||
| 1838 | SP--; | |
| 1839 | SETs(boolSV(auv <= buv)); | |
| 1840 | RETURN; | |
| 1841 | } | |
| 1842 | if (auvok) { /* ## UV <= IV ## */ | |
| 1843 | UV auv; | |
| 1b6737cc AL |
1844 | const IV biv = SvIVX(TOPs); |
| 1845 | ||
| 28e5dec8 JH |
1846 | SP--; |
| 1847 | if (biv < 0) { | |
| 1848 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
| 1849 | SETs(&PL_sv_no); | |
| 1850 | RETURN; | |
| 1851 | } | |
| 1852 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1853 | SETs(boolSV(auv <= (UV)biv)); |
| 1854 | RETURN; | |
| 1855 | } | |
| 1856 | { /* ## IV <= UV ## */ | |
| 1b6737cc | 1857 | const IV aiv = SvIVX(TOPm1s); |
| 28e5dec8 | 1858 | UV buv; |
| 1b6737cc | 1859 | |
| 28e5dec8 JH |
1860 | if (aiv < 0) { |
| 1861 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
| 1862 | SP--; | |
| 1863 | SETs(&PL_sv_yes); | |
| 1864 | RETURN; | |
| 1865 | } | |
| 1866 | buv = SvUVX(TOPs); | |
| 1867 | SP--; | |
| 28e5dec8 JH |
1868 | SETs(boolSV((UV)aiv <= buv)); |
| 1869 | RETURN; | |
| 1870 | } | |
| 1871 | } | |
| 1872 | } | |
| 1873 | #endif | |
| 30de85b6 | 1874 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1875 | #ifdef PERL_PRESERVE_IVUV |
| 1876 | else | |
| 1877 | #endif | |
| 0bdaccee | 1878 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| 30de85b6 NC |
1879 | SP--; |
| 1880 | SETs(boolSV(SvRV(TOPs) <= SvRV(TOPp1s))); | |
| 1881 | RETURN; | |
| 1882 | } | |
| 1883 | #endif | |
| a0d0e21e LW |
1884 | { |
| 1885 | dPOPnv; | |
| 54310121 | 1886 | SETs(boolSV(TOPn <= value)); |
| a0d0e21e | 1887 | RETURN; |
| 79072805 | 1888 | } |
| a0d0e21e LW |
1889 | } |
| 1890 | ||
| 1891 | PP(pp_ge) | |
| 1892 | { | |
| 39644a26 | 1893 | dSP; tryAMAGICbinSET(ge,0); |
| 28e5dec8 JH |
1894 | #ifdef PERL_PRESERVE_IVUV |
| 1895 | SvIV_please(TOPs); | |
| 1896 | if (SvIOK(TOPs)) { | |
| 1897 | SvIV_please(TOPm1s); | |
| 1898 | if (SvIOK(TOPm1s)) { | |
| 1899 | bool auvok = SvUOK(TOPm1s); | |
| 1900 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1901 | |
| 28e5dec8 | 1902 | if (!auvok && !buvok) { /* ## IV >= IV ## */ |
| 1b6737cc AL |
1903 | const IV aiv = SvIVX(TOPm1s); |
| 1904 | const IV biv = SvIVX(TOPs); | |
| 1905 | ||
| 28e5dec8 JH |
1906 | SP--; |
| 1907 | SETs(boolSV(aiv >= biv)); | |
| 1908 | RETURN; | |
| 1909 | } | |
| 1910 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
| 1b6737cc AL |
1911 | const UV auv = SvUVX(TOPm1s); |
| 1912 | const UV buv = SvUVX(TOPs); | |
| 1913 | ||
| 28e5dec8 JH |
1914 | SP--; |
| 1915 | SETs(boolSV(auv >= buv)); | |
| 1916 | RETURN; | |
| 1917 | } | |
| 1918 | if (auvok) { /* ## UV >= IV ## */ | |
| 1919 | UV auv; | |
| 1b6737cc AL |
1920 | const IV biv = SvIVX(TOPs); |
| 1921 | ||
| 28e5dec8 JH |
1922 | SP--; |
| 1923 | if (biv < 0) { | |
| 1924 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
| 1925 | SETs(&PL_sv_yes); | |
| 1926 | RETURN; | |
| 1927 | } | |
| 1928 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1929 | SETs(boolSV(auv >= (UV)biv)); |
| 1930 | RETURN; | |
| 1931 | } | |
| 1932 | { /* ## IV >= UV ## */ | |
| 1b6737cc | 1933 | const IV aiv = SvIVX(TOPm1s); |
| 28e5dec8 | 1934 | UV buv; |
| 1b6737cc | 1935 | |
| 28e5dec8 JH |
1936 | if (aiv < 0) { |
| 1937 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
| 1938 | SP--; | |
| 1939 | SETs(&PL_sv_no); | |
| 1940 | RETURN; | |
| 1941 | } | |
| 1942 | buv = SvUVX(TOPs); | |
| 1943 | SP--; | |
| 28e5dec8 JH |
1944 | SETs(boolSV((UV)aiv >= buv)); |
| 1945 | RETURN; | |
| 1946 | } | |
| 1947 | } | |
| 1948 | } | |
| 1949 | #endif | |
| 30de85b6 | 1950 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1951 | #ifdef PERL_PRESERVE_IVUV |
| 1952 | else | |
| 1953 | #endif | |
| 0bdaccee | 1954 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| 30de85b6 NC |
1955 | SP--; |
| 1956 | SETs(boolSV(SvRV(TOPs) >= SvRV(TOPp1s))); | |
| 1957 | RETURN; | |
| 1958 | } | |
| 1959 | #endif | |
| a0d0e21e LW |
1960 | { |
| 1961 | dPOPnv; | |
| 54310121 | 1962 | SETs(boolSV(TOPn >= value)); |
| a0d0e21e | 1963 | RETURN; |
| 79072805 | 1964 | } |
| a0d0e21e | 1965 | } |
| 79072805 | 1966 | |
| a0d0e21e LW |
1967 | PP(pp_ne) |
| 1968 | { | |
| 16303949 | 1969 | dSP; tryAMAGICbinSET(ne,0); |
| 3bb2c415 | 1970 | #ifndef NV_PRESERVES_UV |
| 0bdaccee | 1971 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| e61d22ef NC |
1972 | SP--; |
| 1973 | SETs(boolSV(SvRV(TOPs) != SvRV(TOPp1s))); | |
| 3bb2c415 JH |
1974 | RETURN; |
| 1975 | } | |
| 1976 | #endif | |
| 28e5dec8 JH |
1977 | #ifdef PERL_PRESERVE_IVUV |
| 1978 | SvIV_please(TOPs); | |
| 1979 | if (SvIOK(TOPs)) { | |
| 1980 | SvIV_please(TOPm1s); | |
| 1981 | if (SvIOK(TOPm1s)) { | |
| 1982 | bool auvok = SvUOK(TOPm1s); | |
| 1983 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1984 | |
| 30de85b6 NC |
1985 | if (auvok == buvok) { /* ## IV == IV or UV == UV ## */ |
| 1986 | /* Casting IV to UV before comparison isn't going to matter | |
| 1987 | on 2s complement. On 1s complement or sign&magnitude | |
| 1988 | (if we have any of them) it could make negative zero | |
| 1989 | differ from normal zero. As I understand it. (Need to | |
| 1990 | check - is negative zero implementation defined behaviour | |
| 1991 | anyway?). NWC */ | |
| 1b6737cc AL |
1992 | const UV buv = SvUVX(POPs); |
| 1993 | const UV auv = SvUVX(TOPs); | |
| 1994 | ||
| 28e5dec8 JH |
1995 | SETs(boolSV(auv != buv)); |
| 1996 | RETURN; | |
| 1997 | } | |
| 1998 | { /* ## Mixed IV,UV ## */ | |
| 1999 | IV iv; | |
| 2000 | UV uv; | |
| 2001 | ||
| 2002 | /* != is commutative so swap if needed (save code) */ | |
| 2003 | if (auvok) { | |
| 2004 | /* swap. top of stack (b) is the iv */ | |
| 2005 | iv = SvIVX(TOPs); | |
| 2006 | SP--; | |
| 2007 | if (iv < 0) { | |
| 2008 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
| 2009 | SETs(&PL_sv_yes); | |
| 2010 | RETURN; | |
| 2011 | } | |
| 2012 | uv = SvUVX(TOPs); | |
| 2013 | } else { | |
| 2014 | iv = SvIVX(TOPm1s); | |
| 2015 | SP--; | |
| 2016 | if (iv < 0) { | |
| 2017 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
| 2018 | SETs(&PL_sv_yes); | |
| 2019 | RETURN; | |
| 2020 | } | |
| 2021 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
| 2022 | } | |
| 28e5dec8 JH |
2023 | SETs(boolSV((UV)iv != uv)); |
| 2024 | RETURN; | |
| 2025 | } | |
| 2026 | } | |
| 2027 | } | |
| 2028 | #endif | |
| a0d0e21e LW |
2029 | { |
| 2030 | dPOPnv; | |
| 54310121 | 2031 | SETs(boolSV(TOPn != value)); |
| a0d0e21e LW |
2032 | RETURN; |
| 2033 | } | |
| 79072805 LW |
2034 | } |
| 2035 | ||
| a0d0e21e | 2036 | PP(pp_ncmp) |
| 79072805 | 2037 | { |
| 39644a26 | 2038 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
| d8c7644e | 2039 | #ifndef NV_PRESERVES_UV |
| 0bdaccee | 2040 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| e61d22ef NC |
2041 | UV right = PTR2UV(SvRV(POPs)); |
| 2042 | UV left = PTR2UV(SvRV(TOPs)); | |
| 2043 | SETi((left > right) - (left < right)); | |
| d8c7644e JH |
2044 | RETURN; |
| 2045 | } | |
| 2046 | #endif | |
| 28e5dec8 JH |
2047 | #ifdef PERL_PRESERVE_IVUV |
| 2048 | /* Fortunately it seems NaN isn't IOK */ | |
| 2049 | SvIV_please(TOPs); | |
| 2050 | if (SvIOK(TOPs)) { | |
| 2051 | SvIV_please(TOPm1s); | |
| 2052 | if (SvIOK(TOPm1s)) { | |
| 1b6737cc AL |
2053 | const bool leftuvok = SvUOK(TOPm1s); |
| 2054 | const bool rightuvok = SvUOK(TOPs); | |
| 28e5dec8 JH |
2055 | I32 value; |
| 2056 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
| 1b6737cc AL |
2057 | const IV leftiv = SvIVX(TOPm1s); |
| 2058 | const IV rightiv = SvIVX(TOPs); | |
| 28e5dec8 JH |
2059 | |
| 2060 | if (leftiv > rightiv) | |
| 2061 | value = 1; | |
| 2062 | else if (leftiv < rightiv) | |
| 2063 | value = -1; | |
| 2064 | else | |
| 2065 | value = 0; | |
| 2066 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
| 1b6737cc AL |
2067 | const UV leftuv = SvUVX(TOPm1s); |
| 2068 | const UV rightuv = SvUVX(TOPs); | |
| 28e5dec8 JH |
2069 | |
| 2070 | if (leftuv > rightuv) | |
| 2071 | value = 1; | |
| 2072 | else if (leftuv < rightuv) | |
| 2073 | value = -1; | |
| 2074 | else | |
| 2075 | value = 0; | |
| 2076 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
| 1b6737cc | 2077 | const IV rightiv = SvIVX(TOPs); |
| 28e5dec8 JH |
2078 | if (rightiv < 0) { |
| 2079 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
| 2080 | value = 1; | |
| 2081 | } else { | |
| 1b6737cc | 2082 | const UV leftuv = SvUVX(TOPm1s); |
| 83bac5dd | 2083 | if (leftuv > (UV)rightiv) { |
| 28e5dec8 JH |
2084 | value = 1; |
| 2085 | } else if (leftuv < (UV)rightiv) { | |
| 2086 | value = -1; | |
| 2087 | } else { | |
| 2088 | value = 0; | |
| 2089 | } | |
| 2090 | } | |
| 2091 | } else { /* ## IV <=> UV ## */ | |
| 1b6737cc | 2092 | const IV leftiv = SvIVX(TOPm1s); |
| 28e5dec8 JH |
2093 | if (leftiv < 0) { |
| 2094 | /* As (b) is a UV, it's >=0, so it must be < */ | |
| 2095 | value = -1; | |
| 2096 | } else { | |
| 1b6737cc | 2097 | const UV rightuv = SvUVX(TOPs); |
| 83bac5dd | 2098 | if ((UV)leftiv > rightuv) { |
| 28e5dec8 | 2099 | value = 1; |
| 83bac5dd | 2100 | } else if ((UV)leftiv < rightuv) { |
| 28e5dec8 JH |
2101 | value = -1; |
| 2102 | } else { | |
| 2103 | value = 0; | |
| 2104 | } | |
| 2105 | } | |
| 2106 | } | |
| 2107 | SP--; | |
| 2108 | SETi(value); | |
| 2109 | RETURN; | |
| 2110 | } | |
| 2111 | } | |
| 2112 | #endif | |
| a0d0e21e LW |
2113 | { |
| 2114 | dPOPTOPnnrl; | |
| 2115 | I32 value; | |
| 79072805 | 2116 | |
| a3540c92 | 2117 | #ifdef Perl_isnan |
| 1ad04cfd JH |
2118 | if (Perl_isnan(left) || Perl_isnan(right)) { |
| 2119 | SETs(&PL_sv_undef); | |
| 2120 | RETURN; | |
| 2121 | } | |
| 2122 | value = (left > right) - (left < right); | |
| 2123 | #else | |
| ff0cee69 | 2124 | if (left == right) |
| a0d0e21e | 2125 | value = 0; |
| a0d0e21e LW |
2126 | else if (left < right) |
| 2127 | value = -1; | |
| 44a8e56a | 2128 | else if (left > right) |
| 2129 | value = 1; | |
| 2130 | else { | |
| 3280af22 | 2131 | SETs(&PL_sv_undef); |
| 44a8e56a | 2132 | RETURN; |
| 2133 | } | |
| 1ad04cfd | 2134 | #endif |
| a0d0e21e LW |
2135 | SETi(value); |
| 2136 | RETURN; | |
| 79072805 | 2137 | } |
| a0d0e21e | 2138 | } |
| 79072805 | 2139 | |
| a0d0e21e LW |
2140 | PP(pp_slt) |
| 2141 | { | |
| 39644a26 | 2142 | dSP; tryAMAGICbinSET(slt,0); |
| a0d0e21e LW |
2143 | { |
| 2144 | dPOPTOPssrl; | |
| 1b6737cc | 2145 | const int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2146 | ? sv_cmp_locale(left, right) |
| 2147 | : sv_cmp(left, right)); | |
| 54310121 | 2148 | SETs(boolSV(cmp < 0)); |
| a0d0e21e LW |
2149 | RETURN; |
| 2150 | } | |
| 79072805 LW |
2151 | } |
| 2152 | ||
| a0d0e21e | 2153 | PP(pp_sgt) |
| 79072805 | 2154 | { |
| 39644a26 | 2155 | dSP; tryAMAGICbinSET(sgt,0); |
| a0d0e21e LW |
2156 | { |
| 2157 | dPOPTOPssrl; | |
| 1b6737cc | 2158 | const int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2159 | ? sv_cmp_locale(left, right) |
| 2160 | : sv_cmp(left, right)); | |
| 54310121 | 2161 | SETs(boolSV(cmp > 0)); |
| a0d0e21e LW |
2162 | RETURN; |
| 2163 | } | |
| 2164 | } | |
| 79072805 | 2165 | |
| a0d0e21e LW |
2166 | PP(pp_sle) |
| 2167 | { | |
| 39644a26 | 2168 | dSP; tryAMAGICbinSET(sle,0); |
| a0d0e21e LW |
2169 | { |
| 2170 | dPOPTOPssrl; | |
| 1b6737cc | 2171 | const int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2172 | ? sv_cmp_locale(left, right) |
| 2173 | : sv_cmp(left, right)); | |
| 54310121 | 2174 | SETs(boolSV(cmp <= 0)); |
| a0d0e21e | 2175 | RETURN; |
| 79072805 | 2176 | } |
| 79072805 LW |
2177 | } |
| 2178 | ||
| a0d0e21e LW |
2179 | PP(pp_sge) |
| 2180 | { | |
| 39644a26 | 2181 | dSP; tryAMAGICbinSET(sge,0); |
| a0d0e21e LW |
2182 | { |
| 2183 | dPOPTOPssrl; | |
| 1b6737cc | 2184 | const int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2185 | ? sv_cmp_locale(left, right) |
| 2186 | : sv_cmp(left, right)); | |
| 54310121 | 2187 | SETs(boolSV(cmp >= 0)); |
| a0d0e21e LW |
2188 | RETURN; |
| 2189 | } | |
| 2190 | } | |
| 79072805 | 2191 | |
| 36477c24 | 2192 | PP(pp_seq) |
| 2193 | { | |
| 39644a26 | 2194 | dSP; tryAMAGICbinSET(seq,0); |
| 36477c24 | 2195 | { |
| 2196 | dPOPTOPssrl; | |
| 54310121 | 2197 | SETs(boolSV(sv_eq(left, right))); |
| a0d0e21e LW |
2198 | RETURN; |
| 2199 | } | |
| 2200 | } | |
| 79072805 | 2201 | |
| a0d0e21e | 2202 | PP(pp_sne) |
| 79072805 | 2203 | { |
| 39644a26 | 2204 | dSP; tryAMAGICbinSET(sne,0); |
| a0d0e21e LW |
2205 | { |
| 2206 | dPOPTOPssrl; | |
| 54310121 | 2207 | SETs(boolSV(!sv_eq(left, right))); |
| a0d0e21e | 2208 | RETURN; |
| 463ee0b2 | 2209 | } |
| 79072805 LW |
2210 | } |
| 2211 | ||
| a0d0e21e | 2212 | PP(pp_scmp) |
| 79072805 | 2213 | { |
| 39644a26 | 2214 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
| a0d0e21e LW |
2215 | { |
| 2216 | dPOPTOPssrl; | |
| 1b6737cc | 2217 | const int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2218 | ? sv_cmp_locale(left, right) |
| 2219 | : sv_cmp(left, right)); | |
| 2220 | SETi( cmp ); | |
| a0d0e21e LW |
2221 | RETURN; |
| 2222 | } | |
| 2223 | } | |
| 79072805 | 2224 | |
| 55497cff | 2225 | PP(pp_bit_and) |
| 2226 | { | |
| 39644a26 | 2227 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
| a0d0e21e LW |
2228 | { |
| 2229 | dPOPTOPssrl; | |
| 028c96eb RGS |
2230 | if (SvGMAGICAL(left)) mg_get(left); |
| 2231 | if (SvGMAGICAL(right)) mg_get(right); | |
| 4633a7c4 | 2232 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| d0ba1bd2 | 2233 | if (PL_op->op_private & HINT_INTEGER) { |
| 1b6737cc | 2234 | const IV i = SvIV_nomg(left) & SvIV_nomg(right); |
| 972b05a9 | 2235 | SETi(i); |
| d0ba1bd2 JH |
2236 | } |
| 2237 | else { | |
| 1b6737cc | 2238 | const UV u = SvUV_nomg(left) & SvUV_nomg(right); |
| 972b05a9 | 2239 | SETu(u); |
| d0ba1bd2 | 2240 | } |
| a0d0e21e LW |
2241 | } |
| 2242 | else { | |
| 533c011a | 2243 | do_vop(PL_op->op_type, TARG, left, right); |
| a0d0e21e LW |
2244 | SETTARG; |
| 2245 | } | |
| 2246 | RETURN; | |
| 2247 | } | |
| 2248 | } | |
| 79072805 | 2249 | |
| a0d0e21e LW |
2250 | PP(pp_bit_xor) |
| 2251 | { | |
| 39644a26 | 2252 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
| a0d0e21e LW |
2253 | { |
| 2254 | dPOPTOPssrl; | |
| 028c96eb RGS |
2255 | if (SvGMAGICAL(left)) mg_get(left); |
| 2256 | if (SvGMAGICAL(right)) mg_get(right); | |
| 4633a7c4 | 2257 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| d0ba1bd2 | 2258 | if (PL_op->op_private & HINT_INTEGER) { |
| 1b6737cc | 2259 | const IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) ^ SvIV_nomg(right); |
| 972b05a9 | 2260 | SETi(i); |
| d0ba1bd2 JH |
2261 | } |
| 2262 | else { | |
| 1b6737cc | 2263 | const UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) ^ SvUV_nomg(right); |
| 972b05a9 | 2264 | SETu(u); |
| d0ba1bd2 | 2265 | } |
| a0d0e21e LW |
2266 | } |
| 2267 | else { | |
| 533c011a | 2268 | do_vop(PL_op->op_type, TARG, left, right); |
| a0d0e21e LW |
2269 | SETTARG; |
| 2270 | } | |
| 2271 | RETURN; | |
| 2272 | } | |
| 2273 | } | |
| 79072805 | 2274 | |
| a0d0e21e LW |
2275 | PP(pp_bit_or) |
| 2276 | { | |
| 39644a26 | 2277 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
| a0d0e21e LW |
2278 | { |
| 2279 | dPOPTOPssrl; | |
| 028c96eb RGS |
2280 | if (SvGMAGICAL(left)) mg_get(left); |
| 2281 | if (SvGMAGICAL(right)) mg_get(right); | |
| 4633a7c4 | 2282 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| d0ba1bd2 | 2283 | if (PL_op->op_private & HINT_INTEGER) { |
| 1b6737cc | 2284 | const IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) | SvIV_nomg(right); |
| 972b05a9 | 2285 | SETi(i); |
| d0ba1bd2 JH |
2286 | } |
| 2287 | else { | |
| 1b6737cc | 2288 | const UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) | SvUV_nomg(right); |
| 972b05a9 | 2289 | SETu(u); |
| d0ba1bd2 | 2290 | } |
| a0d0e21e LW |
2291 | } |
| 2292 | else { | |
| 533c011a | 2293 | do_vop(PL_op->op_type, TARG, left, right); |
| a0d0e21e LW |
2294 | SETTARG; |
| 2295 | } | |
| 2296 | RETURN; | |
| 79072805 | 2297 | } |
| a0d0e21e | 2298 | } |
| 79072805 | 2299 | |
| a0d0e21e LW |
2300 | PP(pp_negate) |
| 2301 | { | |
| 39644a26 | 2302 | dSP; dTARGET; tryAMAGICun(neg); |
| a0d0e21e LW |
2303 | { |
| 2304 | dTOPss; | |
| 1b6737cc | 2305 | const int flags = SvFLAGS(sv); |
| 4633a7c4 LW |
2306 | if (SvGMAGICAL(sv)) |
| 2307 | mg_get(sv); | |
| 28e5dec8 JH |
2308 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
| 2309 | /* It's publicly an integer, or privately an integer-not-float */ | |
| 2310 | oops_its_an_int: | |
| 9b0e499b GS |
2311 | if (SvIsUV(sv)) { |
| 2312 | if (SvIVX(sv) == IV_MIN) { | |
| 28e5dec8 | 2313 | /* 2s complement assumption. */ |
| 9b0e499b GS |
2314 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
| 2315 | RETURN; | |
| 2316 | } | |
| 2317 | else if (SvUVX(sv) <= IV_MAX) { | |
| beccb14c | 2318 | SETi(-SvIVX(sv)); |
| 9b0e499b GS |
2319 | RETURN; |
| 2320 | } | |
| 2321 | } | |
| 2322 | else if (SvIVX(sv) != IV_MIN) { | |
| 2323 | SETi(-SvIVX(sv)); | |
| 2324 | RETURN; | |
| 2325 | } | |
| 28e5dec8 JH |
2326 | #ifdef PERL_PRESERVE_IVUV |
| 2327 | else { | |
| 2328 | SETu((UV)IV_MIN); | |
| 2329 | RETURN; | |
| 2330 | } | |
| 2331 | #endif | |
| 9b0e499b GS |
2332 | } |
| 2333 | if (SvNIOKp(sv)) | |
| a0d0e21e | 2334 | SETn(-SvNV(sv)); |
| 4633a7c4 | 2335 | else if (SvPOKp(sv)) { |
| a0d0e21e | 2336 | STRLEN len; |
| 6f46942a | 2337 | const char *s = SvPV_const(sv, len); |
| bbce6d69 | 2338 | if (isIDFIRST(*s)) { |
| a0d0e21e LW |
2339 | sv_setpvn(TARG, "-", 1); |
| 2340 | sv_catsv(TARG, sv); | |
| 79072805 | 2341 | } |
| a0d0e21e LW |
2342 | else if (*s == '+' || *s == '-') { |
| 2343 | sv_setsv(TARG, sv); | |
| 2344 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
| 79072805 | 2345 | } |
| 8eb28a70 JH |
2346 | else if (DO_UTF8(sv)) { |
| 2347 | SvIV_please(sv); | |
| 2348 | if (SvIOK(sv)) | |
| 2349 | goto oops_its_an_int; | |
| 2350 | if (SvNOK(sv)) | |
| 2351 | sv_setnv(TARG, -SvNV(sv)); | |
| 2352 | else { | |
| 2353 | sv_setpvn(TARG, "-", 1); | |
| 2354 | sv_catsv(TARG, sv); | |
| 2355 | } | |
| 834a4ddd | 2356 | } |
| 28e5dec8 | 2357 | else { |
| 8eb28a70 JH |
2358 | SvIV_please(sv); |
| 2359 | if (SvIOK(sv)) | |
| 2360 | goto oops_its_an_int; | |
| 2361 | sv_setnv(TARG, -SvNV(sv)); | |
| 28e5dec8 | 2362 | } |
| a0d0e21e | 2363 | SETTARG; |
| 79072805 | 2364 | } |
| 4633a7c4 LW |
2365 | else |
| 2366 | SETn(-SvNV(sv)); | |
| 79072805 | 2367 | } |
| a0d0e21e | 2368 | RETURN; |
| 79072805 LW |
2369 | } |
| 2370 | ||
| a0d0e21e | 2371 | PP(pp_not) |
| 79072805 | 2372 | { |
| 39644a26 | 2373 | dSP; tryAMAGICunSET(not); |
| 3280af22 | 2374 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
| a0d0e21e | 2375 | return NORMAL; |
| 79072805 LW |
2376 | } |
| 2377 | ||
| a0d0e21e | 2378 | PP(pp_complement) |
| 79072805 | 2379 | { |
| 39644a26 | 2380 | dSP; dTARGET; tryAMAGICun(compl); |
| a0d0e21e LW |
2381 | { |
| 2382 | dTOPss; | |
| 028c96eb RGS |
2383 | if (SvGMAGICAL(sv)) |
| 2384 | mg_get(sv); | |
| 4633a7c4 | 2385 | if (SvNIOKp(sv)) { |
| d0ba1bd2 | 2386 | if (PL_op->op_private & HINT_INTEGER) { |
| 1b6737cc | 2387 | const IV i = ~SvIV_nomg(sv); |
| 972b05a9 | 2388 | SETi(i); |
| d0ba1bd2 JH |
2389 | } |
| 2390 | else { | |
| 1b6737cc | 2391 | const UV u = ~SvUV_nomg(sv); |
| 972b05a9 | 2392 | SETu(u); |
| d0ba1bd2 | 2393 | } |
| a0d0e21e LW |
2394 | } |
| 2395 | else { | |
| 51723571 | 2396 | register U8 *tmps; |
| 55497cff | 2397 | register I32 anum; |
| a0d0e21e LW |
2398 | STRLEN len; |
| 2399 | ||
| 10516c54 | 2400 | (void)SvPV_nomg_const(sv,len); /* force check for uninit var */ |
| 891f9566 | 2401 | sv_setsv_nomg(TARG, sv); |
| 51723571 | 2402 | tmps = (U8*)SvPV_force(TARG, len); |
| a0d0e21e | 2403 | anum = len; |
| 1d68d6cd | 2404 | if (SvUTF8(TARG)) { |
| a1ca4561 | 2405 | /* Calculate exact length, let's not estimate. */ |
| 1d68d6cd SC |
2406 | STRLEN targlen = 0; |
| 2407 | U8 *result; | |
| 51723571 | 2408 | U8 *send; |
| ba210ebe | 2409 | STRLEN l; |
| a1ca4561 YST |
2410 | UV nchar = 0; |
| 2411 | UV nwide = 0; | |
| 1d68d6cd SC |
2412 | |
| 2413 | send = tmps + len; | |
| 2414 | while (tmps < send) { | |
| 1b6737cc | 2415 | const UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
| 1d68d6cd | 2416 | tmps += UTF8SKIP(tmps); |
| 5bbb0b5a | 2417 | targlen += UNISKIP(~c); |
| a1ca4561 YST |
2418 | nchar++; |
| 2419 | if (c > 0xff) | |
| 2420 | nwide++; | |
| 1d68d6cd SC |
2421 | } |
| 2422 | ||
| 2423 | /* Now rewind strings and write them. */ | |
| 2424 | tmps -= len; | |
| a1ca4561 YST |
2425 | |
| 2426 | if (nwide) { | |
| a02a5408 | 2427 | Newxz(result, targlen + 1, U8); |
| a1ca4561 | 2428 | while (tmps < send) { |
| 1b6737cc | 2429 | const UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
| a1ca4561 | 2430 | tmps += UTF8SKIP(tmps); |
| b851fbc1 | 2431 | result = uvchr_to_utf8_flags(result, ~c, UNICODE_ALLOW_ANY); |
| a1ca4561 YST |
2432 | } |
| 2433 | *result = '\0'; | |
| 2434 | result -= targlen; | |
| 2435 | sv_setpvn(TARG, (char*)result, targlen); | |
| 2436 | SvUTF8_on(TARG); | |
| 2437 | } | |
| 2438 | else { | |
| a02a5408 | 2439 | Newxz(result, nchar + 1, U8); |
| a1ca4561 | 2440 | while (tmps < send) { |
| 1b6737cc | 2441 | const U8 c = (U8)utf8n_to_uvchr(tmps, 0, &l, UTF8_ALLOW_ANY); |
| a1ca4561 YST |
2442 | tmps += UTF8SKIP(tmps); |
| 2443 | *result++ = ~c; | |
| 2444 | } | |
| 2445 | *result = '\0'; | |
| 2446 | result -= nchar; | |
| 2447 | sv_setpvn(TARG, (char*)result, nchar); | |
| d0a21e00 | 2448 | SvUTF8_off(TARG); |
| 1d68d6cd | 2449 | } |
| 1d68d6cd SC |
2450 | Safefree(result); |
| 2451 | SETs(TARG); | |
| 2452 | RETURN; | |
| 2453 | } | |
| a0d0e21e | 2454 | #ifdef LIBERAL |
| 51723571 JH |
2455 | { |
| 2456 | register long *tmpl; | |
| 2457 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
| 2458 | *tmps = ~*tmps; | |
| 2459 | tmpl = (long*)tmps; | |
| 2460 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
| 2461 | *tmpl = ~*tmpl; | |
| 2462 | tmps = (U8*)tmpl; | |
| 2463 | } | |
| a0d0e21e LW |
2464 | #endif |
| 2465 | for ( ; anum > 0; anum--, tmps++) | |
| 2466 | *tmps = ~*tmps; | |
| 2467 | ||
| 2468 | SETs(TARG); | |
| 2469 | } | |
| 2470 | RETURN; | |
| 2471 | } | |
| 79072805 LW |
2472 | } |
| 2473 | ||
| a0d0e21e LW |
2474 | /* integer versions of some of the above */ |
| 2475 | ||
| a0d0e21e | 2476 | PP(pp_i_multiply) |
| 79072805 | 2477 | { |
| 39644a26 | 2478 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
| a0d0e21e LW |
2479 | { |
| 2480 | dPOPTOPiirl; | |
| 2481 | SETi( left * right ); | |
| 2482 | RETURN; | |
| 2483 | } | |
| 79072805 LW |
2484 | } |
| 2485 | ||
| a0d0e21e | 2486 | PP(pp_i_divide) |
| 79072805 | 2487 | { |
| 39644a26 | 2488 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
| a0d0e21e LW |
2489 | { |
| 2490 | dPOPiv; | |
| 2491 | if (value == 0) | |
| cea2e8a9 | 2492 | DIE(aTHX_ "Illegal division by zero"); |
| a0d0e21e LW |
2493 | value = POPi / value; |
| 2494 | PUSHi( value ); | |
| 2495 | RETURN; | |
| 2496 | } | |
| 79072805 LW |
2497 | } |
| 2498 | ||
| 224ec323 JH |
2499 | STATIC |
| 2500 | PP(pp_i_modulo_0) | |
| 2501 | { | |
| 2502 | /* This is the vanilla old i_modulo. */ | |
| 27da23d5 | 2503 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| 224ec323 JH |
2504 | { |
| 2505 | dPOPTOPiirl; | |
| 2506 | if (!right) | |
| 2507 | DIE(aTHX_ "Illegal modulus zero"); | |
| 2508 | SETi( left % right ); | |
| 2509 | RETURN; | |
| 2510 | } | |
| 2511 | } | |
| 2512 | ||
| 11010fa3 | 2513 | #if defined(__GLIBC__) && IVSIZE == 8 |
| 224ec323 JH |
2514 | STATIC |
| 2515 | PP(pp_i_modulo_1) | |
| 2516 | { | |
| 224ec323 | 2517 | /* This is the i_modulo with the workaround for the _moddi3 bug |
| fce2b89e | 2518 | * in (at least) glibc 2.2.5 (the PERL_ABS() the workaround). |
| 224ec323 | 2519 | * See below for pp_i_modulo. */ |
| 27da23d5 | 2520 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| 224ec323 JH |
2521 | { |
| 2522 | dPOPTOPiirl; | |
| 2523 | if (!right) | |
| 2524 | DIE(aTHX_ "Illegal modulus zero"); | |
| 32fdb065 | 2525 | SETi( left % PERL_ABS(right) ); |
| 224ec323 JH |
2526 | RETURN; |
| 2527 | } | |
| 224ec323 | 2528 | } |
| fce2b89e | 2529 | #endif |
| 224ec323 | 2530 | |
| a0d0e21e | 2531 | PP(pp_i_modulo) |
| 79072805 | 2532 | { |
| 27da23d5 | 2533 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| 224ec323 JH |
2534 | { |
| 2535 | dPOPTOPiirl; | |
| 2536 | if (!right) | |
| 2537 | DIE(aTHX_ "Illegal modulus zero"); | |
| 2538 | /* The assumption is to use hereafter the old vanilla version... */ | |
| 2539 | PL_op->op_ppaddr = | |
| 2540 | PL_ppaddr[OP_I_MODULO] = | |
| 1c127fab | 2541 | Perl_pp_i_modulo_0; |
| 224ec323 JH |
2542 | /* .. but if we have glibc, we might have a buggy _moddi3 |
| 2543 | * (at least glicb 2.2.5 is known to have this bug), in other | |
| 2544 | * words our integer modulus with negative quad as the second | |
| 2545 | * argument might be broken. Test for this and re-patch the | |
| 2546 | * opcode dispatch table if that is the case, remembering to | |
| 2547 | * also apply the workaround so that this first round works | |
| 2548 | * right, too. See [perl #9402] for more information. */ | |
| 2549 | #if defined(__GLIBC__) && IVSIZE == 8 | |
| 2550 | { | |
| 2551 | IV l = 3; | |
| 2552 | IV r = -10; | |
| 2553 | /* Cannot do this check with inlined IV constants since | |
| 2554 | * that seems to work correctly even with the buggy glibc. */ | |
| 2555 | if (l % r == -3) { | |
| 2556 | /* Yikes, we have the bug. | |
| 2557 | * Patch in the workaround version. */ | |
| 2558 | PL_op->op_ppaddr = | |
| 2559 | PL_ppaddr[OP_I_MODULO] = | |
| 2560 | &Perl_pp_i_modulo_1; | |
| 2561 | /* Make certain we work right this time, too. */ | |
| 32fdb065 | 2562 | right = PERL_ABS(right); |
| 224ec323 JH |
2563 | } |
| 2564 | } | |
| 2565 | #endif | |
| 2566 | SETi( left % right ); | |
| 2567 | RETURN; | |
| 2568 | } | |
| 79072805 LW |
2569 | } |
| 2570 | ||
| a0d0e21e | 2571 | PP(pp_i_add) |
| 79072805 | 2572 | { |
| 39644a26 | 2573 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
| a0d0e21e | 2574 | { |
| 5e66d4f1 | 2575 | dPOPTOPiirl_ul; |
| a0d0e21e LW |
2576 | SETi( left + right ); |
| 2577 | RETURN; | |
| 79072805 | 2578 | } |
| 79072805 LW |
2579 | } |
| 2580 | ||
| a0d0e21e | 2581 | PP(pp_i_subtract) |
| 79072805 | 2582 | { |
| 39644a26 | 2583 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
| a0d0e21e | 2584 | { |
| 5e66d4f1 | 2585 | dPOPTOPiirl_ul; |
| a0d0e21e LW |
2586 | SETi( left - right ); |
| 2587 | RETURN; | |
| 79072805 | 2588 | } |
| 79072805 LW |
2589 | } |
| 2590 | ||
| a0d0e21e | 2591 | PP(pp_i_lt) |
| 79072805 | 2592 | { |
| 39644a26 | 2593 | dSP; tryAMAGICbinSET(lt,0); |
| a0d0e21e LW |
2594 | { |
| 2595 | dPOPTOPiirl; | |
| 54310121 | 2596 | SETs(boolSV(left < right)); |
| a0d0e21e LW |
2597 | RETURN; |
| 2598 | } | |
| 79072805 LW |
2599 | } |
| 2600 | ||
| a0d0e21e | 2601 | PP(pp_i_gt) |
| 79072805 | 2602 | { |
| 39644a26 | 2603 | dSP; tryAMAGICbinSET(gt,0); |
| a0d0e21e LW |
2604 | { |
| 2605 | dPOPTOPiirl; | |
| 54310121 | 2606 | SETs(boolSV(left > right)); |
| a0d0e21e LW |
2607 | RETURN; |
| 2608 | } | |
| 79072805 LW |
2609 | } |
| 2610 | ||
| a0d0e21e | 2611 | PP(pp_i_le) |
| 79072805 | 2612 | { |
| 39644a26 | 2613 | dSP; tryAMAGICbinSET(le,0); |
| a0d0e21e LW |
2614 | { |
| 2615 | dPOPTOPiirl; | |
| 54310121 | 2616 | SETs(boolSV(left <= right)); |
| a0d0e21e | 2617 | RETURN; |
| 85e6fe83 | 2618 | } |
| 79072805 LW |
2619 | } |
| 2620 | ||
| a0d0e21e | 2621 | PP(pp_i_ge) |
| 79072805 | 2622 | { |
| 39644a26 | 2623 | dSP; tryAMAGICbinSET(ge,0); |
| a0d0e21e LW |
2624 | { |
| 2625 | dPOPTOPiirl; | |
| 54310121 | 2626 | SETs(boolSV(left >= right)); |
| a0d0e21e LW |
2627 | RETURN; |
| 2628 | } | |
| 79072805 LW |
2629 | } |
| 2630 | ||
| a0d0e21e | 2631 | PP(pp_i_eq) |
| 79072805 | 2632 | { |
| 39644a26 | 2633 | dSP; tryAMAGICbinSET(eq,0); |
| a0d0e21e LW |
2634 | { |
| 2635 | dPOPTOPiirl; | |
| 54310121 | 2636 | SETs(boolSV(left == right)); |
| a0d0e21e LW |
2637 | RETURN; |
| 2638 | } | |
| 79072805 LW |
2639 | } |
| 2640 | ||
| a0d0e21e | 2641 | PP(pp_i_ne) |
| 79072805 | 2642 | { |
| 39644a26 | 2643 | dSP; tryAMAGICbinSET(ne,0); |
| a0d0e21e LW |
2644 | { |
| 2645 | dPOPTOPiirl; | |
| 54310121 | 2646 | SETs(boolSV(left != right)); |
| a0d0e21e LW |
2647 | RETURN; |
| 2648 | } | |
| 79072805 LW |
2649 | } |
| 2650 | ||
| a0d0e21e | 2651 | PP(pp_i_ncmp) |
| 79072805 | 2652 | { |
| 39644a26 | 2653 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
| a0d0e21e LW |
2654 | { |
| 2655 | dPOPTOPiirl; | |
| 2656 | I32 value; | |
| 79072805 | 2657 | |
| a0d0e21e | 2658 | if (left > right) |
| 79072805 | 2659 | value = 1; |
| a0d0e21e | 2660 | else if (left < right) |
| 79072805 | 2661 | value = -1; |
| a0d0e21e | 2662 | else |
| 79072805 | 2663 | value = 0; |
| a0d0e21e LW |
2664 | SETi(value); |
| 2665 | RETURN; | |
| 79072805 | 2666 | } |
| 85e6fe83 LW |
2667 | } |
| 2668 | ||
| 2669 | PP(pp_i_negate) | |
| 2670 | { | |
| 39644a26 | 2671 | dSP; dTARGET; tryAMAGICun(neg); |
| 85e6fe83 LW |
2672 | SETi(-TOPi); |
| 2673 | RETURN; | |
| 2674 | } | |
| 2675 | ||
| 79072805 LW |
2676 | /* High falutin' math. */ |
| 2677 | ||
| 2678 | PP(pp_atan2) | |
| 2679 | { | |
| 39644a26 | 2680 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
| a0d0e21e LW |
2681 | { |
| 2682 | dPOPTOPnnrl; | |
| 65202027 | 2683 | SETn(Perl_atan2(left, right)); |
| a0d0e21e LW |
2684 | RETURN; |
| 2685 | } | |
| 79072805 LW |
2686 | } |
| 2687 | ||
| 2688 | PP(pp_sin) | |
| 2689 | { | |
| 39644a26 | 2690 | dSP; dTARGET; tryAMAGICun(sin); |
| a0d0e21e | 2691 | { |
| 1b6737cc AL |
2692 | const NV value = POPn; |
| 2693 | XPUSHn(Perl_sin(value)); | |
| a0d0e21e LW |
2694 | RETURN; |
| 2695 | } | |
| 79072805 LW |
2696 | } |
| 2697 | ||
| 2698 | PP(pp_cos) | |
| 2699 | { | |
| 39644a26 | 2700 | dSP; dTARGET; tryAMAGICun(cos); |
| a0d0e21e | 2701 | { |
| 1b6737cc AL |
2702 | const NV value = POPn; |
| 2703 | XPUSHn(Perl_cos(value)); | |
| a0d0e21e LW |
2704 | RETURN; |
| 2705 | } | |
| 79072805 LW |
2706 | } |
| 2707 | ||
| 56cb0a1c AD |
2708 | /* Support Configure command-line overrides for rand() functions. |
| 2709 | After 5.005, perhaps we should replace this by Configure support | |
| 2710 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
| 2711 | compatibility by calling rand() but allow the user to override it. | |
| 2712 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
| 2713 | */ | |
| 85ab1d1d JH |
2714 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
| 2715 | in addition to rand(). So the overrides should not be needed any more. | |
| 2716 | --Jarkko Hietaniemi 27 September 1998 | |
| 2717 | */ | |
| 2718 | ||
| 2719 | #ifndef HAS_DRAND48_PROTO | |
| 20ce7b12 | 2720 | extern double drand48 (void); |
| 56cb0a1c AD |
2721 | #endif |
| 2722 | ||
| 79072805 LW |
2723 | PP(pp_rand) |
| 2724 | { | |
| 39644a26 | 2725 | dSP; dTARGET; |
| 65202027 | 2726 | NV value; |
| 79072805 LW |
2727 | if (MAXARG < 1) |
| 2728 | value = 1.0; | |
| 2729 | else | |
| 2730 | value = POPn; | |
| 2731 | if (value == 0.0) | |
| 2732 | value = 1.0; | |
| 80252599 | 2733 | if (!PL_srand_called) { |
| 85ab1d1d | 2734 | (void)seedDrand01((Rand_seed_t)seed()); |
| 80252599 | 2735 | PL_srand_called = TRUE; |
| 93dc8474 | 2736 | } |
| 85ab1d1d | 2737 | value *= Drand01(); |
| 79072805 LW |
2738 | XPUSHn(value); |
| 2739 | RETURN; | |
| 2740 | } | |
| 2741 | ||
| 2742 | PP(pp_srand) | |
| 2743 | { | |
| 39644a26 | 2744 | dSP; |
| 93dc8474 CS |
2745 | UV anum; |
| 2746 | if (MAXARG < 1) | |
| 2747 | anum = seed(); | |
| 79072805 | 2748 | else |
| 93dc8474 | 2749 | anum = POPu; |
| 85ab1d1d | 2750 | (void)seedDrand01((Rand_seed_t)anum); |
| 80252599 | 2751 | PL_srand_called = TRUE; |
| 79072805 LW |
2752 | EXTEND(SP, 1); |
| 2753 | RETPUSHYES; | |
| 2754 | } | |
| 2755 | ||
| 2756 | PP(pp_exp) | |
| 2757 | { | |
| 39644a26 | 2758 | dSP; dTARGET; tryAMAGICun(exp); |
| a0d0e21e | 2759 | { |
| 65202027 | 2760 | NV value; |
| a0d0e21e | 2761 | value = POPn; |
| 65202027 | 2762 | value = Perl_exp(value); |
| a0d0e21e LW |
2763 | XPUSHn(value); |
| 2764 | RETURN; | |
| 2765 | } | |
| 79072805 LW |
2766 | } |
| 2767 | ||
| 2768 | PP(pp_log) | |
| 2769 | { | |
| 39644a26 | 2770 | dSP; dTARGET; tryAMAGICun(log); |
| a0d0e21e | 2771 | { |
| 1b6737cc | 2772 | const NV value = POPn; |
| bbce6d69 | 2773 | if (value <= 0.0) { |
| f93f4e46 | 2774 | SET_NUMERIC_STANDARD(); |
| 1779d84d | 2775 | DIE(aTHX_ "Can't take log of %"NVgf, value); |
| bbce6d69 | 2776 | } |
| 1b6737cc | 2777 | XPUSHn(Perl_log(value)); |
| a0d0e21e LW |
2778 | RETURN; |
| 2779 | } | |
| 79072805 LW |
2780 | } |
| 2781 | ||
| 2782 | PP(pp_sqrt) | |
| 2783 | { | |
| 39644a26 | 2784 | dSP; dTARGET; tryAMAGICun(sqrt); |
| a0d0e21e | 2785 | { |
| 1b6737cc | 2786 | const NV value = POPn; |
| bbce6d69 | 2787 | if (value < 0.0) { |
| f93f4e46 | 2788 | SET_NUMERIC_STANDARD(); |
| 1779d84d | 2789 | DIE(aTHX_ "Can't take sqrt of %"NVgf, value); |
| bbce6d69 | 2790 | } |
| 1b6737cc | 2791 | XPUSHn(Perl_sqrt(value)); |
| a0d0e21e LW |
2792 | RETURN; |
| 2793 | } | |
| 79072805 LW |
2794 | } |
| 2795 | ||
| 2796 | PP(pp_int) | |
| 2797 | { | |
| 39644a26 | 2798 | dSP; dTARGET; tryAMAGICun(int); |
| 774d564b | 2799 | { |
| 1b6737cc | 2800 | const IV iv = TOPi; /* attempt to convert to IV if possible. */ |
| 28e5dec8 JH |
2801 | /* XXX it's arguable that compiler casting to IV might be subtly |
| 2802 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
| 2803 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
| 2804 | relying on floating point to be accurate is a bug. */ | |
| 2805 | ||
| 922c4365 MHM |
2806 | if (!SvOK(TOPs)) |
| 2807 | SETu(0); | |
| 2808 | else if (SvIOK(TOPs)) { | |
| 28e5dec8 | 2809 | if (SvIsUV(TOPs)) { |
| 1b6737cc | 2810 | const UV uv = TOPu; |
| 28e5dec8 JH |
2811 | SETu(uv); |
| 2812 | } else | |
| 2813 | SETi(iv); | |
| 2814 | } else { | |
| 1b6737cc | 2815 | const NV value = TOPn; |
| 1048ea30 | 2816 | if (value >= 0.0) { |
| 28e5dec8 JH |
2817 | if (value < (NV)UV_MAX + 0.5) { |
| 2818 | SETu(U_V(value)); | |
| 2819 | } else { | |
| 059a1014 | 2820 | SETn(Perl_floor(value)); |
| 28e5dec8 | 2821 | } |
| 1048ea30 | 2822 | } |
| 28e5dec8 JH |
2823 | else { |
| 2824 | if (value > (NV)IV_MIN - 0.5) { | |
| 2825 | SETi(I_V(value)); | |
| 2826 | } else { | |
| 1bbae031 | 2827 | SETn(Perl_ceil(value)); |
| 28e5dec8 JH |
2828 | } |
| 2829 | } | |
| 774d564b | 2830 | } |
| 79072805 | 2831 | } |
| 79072805 LW |
2832 | RETURN; |
| 2833 | } | |
| 2834 | ||
| 463ee0b2 LW |
2835 | PP(pp_abs) |
| 2836 | { | |
| 39644a26 | 2837 | dSP; dTARGET; tryAMAGICun(abs); |
| a0d0e21e | 2838 | { |
| 28e5dec8 | 2839 | /* This will cache the NV value if string isn't actually integer */ |
| 1b6737cc | 2840 | const IV iv = TOPi; |
| a227d84d | 2841 | |
| 922c4365 MHM |
2842 | if (!SvOK(TOPs)) |
| 2843 | SETu(0); | |
| 2844 | else if (SvIOK(TOPs)) { | |
| 28e5dec8 JH |
2845 | /* IVX is precise */ |
| 2846 | if (SvIsUV(TOPs)) { | |
| 2847 | SETu(TOPu); /* force it to be numeric only */ | |
| 2848 | } else { | |
| 2849 | if (iv >= 0) { | |
| 2850 | SETi(iv); | |
| 2851 | } else { | |
| 2852 | if (iv != IV_MIN) { | |
| 2853 | SETi(-iv); | |
| 2854 | } else { | |
| 2855 | /* 2s complement assumption. Also, not really needed as | |
| 2856 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
| 2857 | SETu(IV_MIN); | |
| 2858 | } | |
| a227d84d | 2859 | } |
| 28e5dec8 JH |
2860 | } |
| 2861 | } else{ | |
| 1b6737cc | 2862 | const NV value = TOPn; |
| 774d564b | 2863 | if (value < 0.0) |
| 1b6737cc AL |
2864 | SETn(value); |
| 2865 | else | |
| 2866 | SETn(-value); | |
| 774d564b | 2867 | } |
| a0d0e21e | 2868 | } |
| 774d564b | 2869 | RETURN; |
| 463ee0b2 LW |
2870 | } |
| 2871 | ||
| 53305cf1 | 2872 | |
| 79072805 LW |
2873 | PP(pp_hex) |
| 2874 | { | |
| 39644a26 | 2875 | dSP; dTARGET; |
| 5c144d81 | 2876 | const char *tmps; |
| 53305cf1 | 2877 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
| 6f894ead | 2878 | STRLEN len; |
| 53305cf1 NC |
2879 | NV result_nv; |
| 2880 | UV result_uv; | |
| 1b6737cc | 2881 | SV* const sv = POPs; |
| 79072805 | 2882 | |
| 349d4f2f | 2883 | tmps = (SvPV_const(sv, len)); |
| 2bc69dc4 NIS |
2884 | if (DO_UTF8(sv)) { |
| 2885 | /* If Unicode, try to downgrade | |
| 2886 | * If not possible, croak. */ | |
| 1b6737cc | 2887 | SV* const tsv = sv_2mortal(newSVsv(sv)); |
| 2bc69dc4 NIS |
2888 | |
| 2889 | SvUTF8_on(tsv); | |
| 2890 | sv_utf8_downgrade(tsv, FALSE); | |
| 349d4f2f | 2891 | tmps = SvPV_const(tsv, len); |
| 2bc69dc4 | 2892 | } |
| 53305cf1 NC |
2893 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
| 2894 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
| 2895 | XPUSHn(result_nv); | |
| 2896 | } | |
| 2897 | else { | |
| 2898 | XPUSHu(result_uv); | |
| 2899 | } | |
| 79072805 LW |
2900 | RETURN; |
| 2901 | } | |
| 2902 | ||
| 2903 | PP(pp_oct) | |
| 2904 | { | |
| 39644a26 | 2905 | dSP; dTARGET; |
| 5c144d81 | 2906 | const char *tmps; |
| 53305cf1 | 2907 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
| 6f894ead | 2908 | STRLEN len; |
| 53305cf1 NC |
2909 | NV result_nv; |
| 2910 | UV result_uv; | |
| 1b6737cc | 2911 | SV* const sv = POPs; |
| 79072805 | 2912 | |
| 349d4f2f | 2913 | tmps = (SvPV_const(sv, len)); |
| 2bc69dc4 NIS |
2914 | if (DO_UTF8(sv)) { |
| 2915 | /* If Unicode, try to downgrade | |
| 2916 | * If not possible, croak. */ | |
| 1b6737cc | 2917 | SV* const tsv = sv_2mortal(newSVsv(sv)); |
| 2bc69dc4 NIS |
2918 | |
| 2919 | SvUTF8_on(tsv); | |
| 2920 | sv_utf8_downgrade(tsv, FALSE); | |
| 349d4f2f | 2921 | tmps = SvPV_const(tsv, len); |
| 2bc69dc4 | 2922 | } |
| 6f894ead | 2923 | while (*tmps && len && isSPACE(*tmps)) |
| 53305cf1 | 2924 | tmps++, len--; |
| 9e24b6e2 | 2925 | if (*tmps == '0') |
| 53305cf1 | 2926 | tmps++, len--; |
| 9e24b6e2 | 2927 | if (*tmps == 'x') |
| 53305cf1 | 2928 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
| 9e24b6e2 | 2929 | else if (*tmps == 'b') |
| 53305cf1 | 2930 | result_uv = grok_bin (tmps, &len, &flags, &result_nv); |
| 464e2e8a | 2931 | else |
| 53305cf1 NC |
2932 | result_uv = grok_oct (tmps, &len, &flags, &result_nv); |
| 2933 | ||
| 2934 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
| 2935 | XPUSHn(result_nv); | |
| 2936 | } | |
| 2937 | else { | |
| 2938 | XPUSHu(result_uv); | |
| 2939 | } | |
| 79072805 LW |
2940 | RETURN; |
| 2941 | } | |
| 2942 | ||
| 2943 | /* String stuff. */ | |
| 2944 | ||
| 2945 | PP(pp_length) | |
| 2946 | { | |
| 39644a26 | 2947 | dSP; dTARGET; |
| 7e2040f0 | 2948 | SV *sv = TOPs; |
| a0ed51b3 | 2949 | |
| 7e2040f0 GS |
2950 | if (DO_UTF8(sv)) |
| 2951 | SETi(sv_len_utf8(sv)); | |
| 2952 | else | |
| 2953 | SETi(sv_len(sv)); | |
| 79072805 LW |
2954 | RETURN; |
| 2955 | } | |
| 2956 | ||
| 2957 | PP(pp_substr) | |
| 2958 | { | |
| 39644a26 | 2959 | dSP; dTARGET; |
| 79072805 | 2960 | SV *sv; |
| 9c5ffd7c | 2961 | I32 len = 0; |
| 463ee0b2 | 2962 | STRLEN curlen; |
| 9402d6ed | 2963 | STRLEN utf8_curlen; |
| 79072805 LW |
2964 | I32 pos; |
| 2965 | I32 rem; | |
| 84902520 | 2966 | I32 fail; |
| e1ec3a88 AL |
2967 | const I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
| 2968 | const char *tmps; | |
| 2969 | const I32 arybase = PL_curcop->cop_arybase; | |
| 9402d6ed | 2970 | SV *repl_sv = NULL; |
| e1ec3a88 | 2971 | const char *repl = 0; |
| 7b8d334a | 2972 | STRLEN repl_len; |
| 1b6737cc | 2973 | const int num_args = PL_op->op_private & 7; |
| 13e30c65 | 2974 | bool repl_need_utf8_upgrade = FALSE; |
| 9402d6ed | 2975 | bool repl_is_utf8 = FALSE; |
| 79072805 | 2976 | |
| 20408e3c | 2977 | SvTAINTED_off(TARG); /* decontaminate */ |
| 7e2040f0 | 2978 | SvUTF8_off(TARG); /* decontaminate */ |
| 78f9721b SM |
2979 | if (num_args > 2) { |
| 2980 | if (num_args > 3) { | |
| 9402d6ed | 2981 | repl_sv = POPs; |
| 83003860 | 2982 | repl = SvPV_const(repl_sv, repl_len); |
| 9402d6ed | 2983 | repl_is_utf8 = DO_UTF8(repl_sv) && SvCUR(repl_sv); |
| 7b8d334a | 2984 | } |
| 79072805 | 2985 | len = POPi; |
| 5d82c453 | 2986 | } |
| 84902520 | 2987 | pos = POPi; |
| 79072805 | 2988 | sv = POPs; |
| 849ca7ee | 2989 | PUTBACK; |
| 9402d6ed JH |
2990 | if (repl_sv) { |
| 2991 | if (repl_is_utf8) { | |
| 2992 | if (!DO_UTF8(sv)) | |
| 2993 | sv_utf8_upgrade(sv); | |
| 2994 | } | |
| 13e30c65 JH |
2995 | else if (DO_UTF8(sv)) |
| 2996 | repl_need_utf8_upgrade = TRUE; | |
| 9402d6ed | 2997 | } |
| 5c144d81 | 2998 | tmps = SvPV_const(sv, curlen); |
| 7e2040f0 | 2999 | if (DO_UTF8(sv)) { |
| 9402d6ed JH |
3000 | utf8_curlen = sv_len_utf8(sv); |
| 3001 | if (utf8_curlen == curlen) | |
| 3002 | utf8_curlen = 0; | |
| a0ed51b3 | 3003 | else |
| 9402d6ed | 3004 | curlen = utf8_curlen; |
| a0ed51b3 | 3005 | } |
| d1c2b58a | 3006 | else |
| 9402d6ed | 3007 | utf8_curlen = 0; |
| a0ed51b3 | 3008 | |
| 84902520 TB |
3009 | if (pos >= arybase) { |
| 3010 | pos -= arybase; | |
| 3011 | rem = curlen-pos; | |
| 3012 | fail = rem; | |
| 78f9721b | 3013 | if (num_args > 2) { |
| 5d82c453 GA |
3014 | if (len < 0) { |
| 3015 | rem += len; | |
| 3016 | if (rem < 0) | |
| 3017 | rem = 0; | |
| 3018 | } | |
| 3019 | else if (rem > len) | |
| 3020 | rem = len; | |
| 3021 | } | |
| 68dc0745 | 3022 | } |
| 84902520 | 3023 | else { |
| 5d82c453 | 3024 | pos += curlen; |
| 78f9721b | 3025 | if (num_args < 3) |
| 5d82c453 GA |
3026 | rem = curlen; |
| 3027 | else if (len >= 0) { | |
| 3028 | rem = pos+len; | |
| 3029 | if (rem > (I32)curlen) | |
| 3030 | rem = curlen; | |
| 3031 | } | |
| 3032 | else { | |
| 3033 | rem = curlen+len; | |
| 3034 | if (rem < pos) | |
| 3035 | rem = pos; | |
| 3036 | } | |
| 3037 | if (pos < 0) | |
| 3038 | pos = 0; | |
| 3039 | fail = rem; | |
| 3040 | rem -= pos; | |
| 84902520 TB |
3041 | } |
| 3042 | if (fail < 0) { | |
| e476b1b5 GS |
3043 | if (lvalue || repl) |
| 3044 | Perl_croak(aTHX_ "substr outside of string"); | |
| 3045 | if (ckWARN(WARN_SUBSTR)) | |
| 9014280d | 3046 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), "substr outside of string"); |
| 2304df62 AD |
3047 | RETPUSHUNDEF; |
| 3048 | } | |
| 79072805 | 3049 | else { |
| 1b6737cc AL |
3050 | const I32 upos = pos; |
| 3051 | const I32 urem = rem; | |
| 9402d6ed | 3052 | if (utf8_curlen) |
| a0ed51b3 | 3053 | sv_pos_u2b(sv, &pos, &rem); |
| 79072805 | 3054 | tmps += pos; |
| 781e7547 DM |
3055 | /* we either return a PV or an LV. If the TARG hasn't been used |
| 3056 | * before, or is of that type, reuse it; otherwise use a mortal | |
| 3057 | * instead. Note that LVs can have an extended lifetime, so also | |
| 3058 | * dont reuse if refcount > 1 (bug #20933) */ | |
| 3059 | if (SvTYPE(TARG) > SVt_NULL) { | |
| 3060 | if ( (SvTYPE(TARG) == SVt_PVLV) | |
| 3061 | ? (!lvalue || SvREFCNT(TARG) > 1) | |
| 3062 | : lvalue) | |
| 3063 | { | |
| 3064 | TARG = sv_newmortal(); | |
| 3065 | } | |
| 3066 | } | |
| 3067 | ||
| 79072805 | 3068 | sv_setpvn(TARG, tmps, rem); |
| 12aa1545 | 3069 | #ifdef USE_LOCALE_COLLATE |
| 14befaf4 | 3070 | sv_unmagic(TARG, PERL_MAGIC_collxfrm); |
| 12aa1545 | 3071 | #endif |
| 9402d6ed | 3072 | if (utf8_curlen) |
| 7f66633b | 3073 | SvUTF8_on(TARG); |
| f7928d6c | 3074 | if (repl) { |
| 13e30c65 JH |
3075 | SV* repl_sv_copy = NULL; |
| 3076 | ||
| 3077 | if (repl_need_utf8_upgrade) { | |
| 3078 | repl_sv_copy = newSVsv(repl_sv); | |
| 3079 | sv_utf8_upgrade(repl_sv_copy); | |
| 349d4f2f | 3080 | repl = SvPV_const(repl_sv_copy, repl_len); |
| 13e30c65 JH |
3081 | repl_is_utf8 = DO_UTF8(repl_sv_copy) && SvCUR(sv); |
| 3082 | } | |
| c8faf1c5 | 3083 | sv_insert(sv, pos, rem, repl, repl_len); |
| 9402d6ed | 3084 | if (repl_is_utf8) |
| f7928d6c | 3085 | SvUTF8_on(sv); |
| 9402d6ed JH |
3086 | if (repl_sv_copy) |
| 3087 | SvREFCNT_dec(repl_sv_copy); | |
| f7928d6c | 3088 | } |
| c8faf1c5 | 3089 | else if (lvalue) { /* it's an lvalue! */ |
| dedeecda | 3090 | if (!SvGMAGICAL(sv)) { |
| 3091 | if (SvROK(sv)) { | |
| 13c5b33c | 3092 | SvPV_force_nolen(sv); |
| 599cee73 | 3093 | if (ckWARN(WARN_SUBSTR)) |
| 9014280d | 3094 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), |
| 599cee73 | 3095 | "Attempt to use reference as lvalue in substr"); |
| dedeecda | 3096 | } |
| 3097 | if (SvOK(sv)) /* is it defined ? */ | |
| 7f66633b | 3098 | (void)SvPOK_only_UTF8(sv); |
| dedeecda | 3099 | else |
| 3100 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
| 3101 | } | |
| 5f05dabc | 3102 | |
| a0d0e21e LW |
3103 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 3104 | sv_upgrade(TARG, SVt_PVLV); | |
| 14befaf4 | 3105 | sv_magic(TARG, Nullsv, PERL_MAGIC_substr, Nullch, 0); |
| ed6116ce | 3106 | } |
| 6214ab63 | 3107 | else |
| 0c34ef67 | 3108 | SvOK_off(TARG); |
| a0d0e21e | 3109 | |
| 5f05dabc | 3110 | LvTYPE(TARG) = 'x'; |
| 6ff81951 GS |
3111 | if (LvTARG(TARG) != sv) { |
| 3112 | if (LvTARG(TARG)) | |
| 3113 | SvREFCNT_dec(LvTARG(TARG)); | |
| 3114 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
| 3115 | } | |
| 9aa983d2 JH |
3116 | LvTARGOFF(TARG) = upos; |
| 3117 | LvTARGLEN(TARG) = urem; | |
| 79072805 LW |
3118 | } |
| 3119 | } | |
| 849ca7ee | 3120 | SPAGAIN; |
| 79072805 LW |
3121 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
| 3122 | RETURN; | |
| 3123 | } | |
| 3124 | ||
| 3125 | PP(pp_vec) | |
| 3126 | { | |
| 39644a26 | 3127 | dSP; dTARGET; |
| 1b6737cc AL |
3128 | register const IV size = POPi; |
| 3129 | register const IV offset = POPi; | |
| 3130 | register SV * const src = POPs; | |
| 3131 | const I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; | |
| a0d0e21e | 3132 | |
| 81e118e0 JH |
3133 | SvTAINTED_off(TARG); /* decontaminate */ |
| 3134 | if (lvalue) { /* it's an lvalue! */ | |
| 24aef97f HS |
3135 | if (SvREFCNT(TARG) > 1) /* don't share the TARG (#20933) */ |
| 3136 | TARG = sv_newmortal(); | |
| 81e118e0 JH |
3137 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 3138 | sv_upgrade(TARG, SVt_PVLV); | |
| 14befaf4 | 3139 | sv_magic(TARG, Nullsv, PERL_MAGIC_vec, Nullch, 0); |
| 79072805 | 3140 | } |
| 81e118e0 JH |
3141 | LvTYPE(TARG) = 'v'; |
| 3142 | if (LvTARG(TARG) != src) { | |
| 3143 | if (LvTARG(TARG)) | |
| 3144 | SvREFCNT_dec(LvTARG(TARG)); | |
| 3145 | LvTARG(TARG) = SvREFCNT_inc(src); | |
| 79072805 | 3146 | } |
| 81e118e0 JH |
3147 | LvTARGOFF(TARG) = offset; |
| 3148 | LvTARGLEN(TARG) = size; | |
| 79072805 LW |
3149 | } |
| 3150 | ||
| 81e118e0 | 3151 | sv_setuv(TARG, do_vecget(src, offset, size)); |
| 79072805 LW |
3152 | PUSHs(TARG); |
| 3153 | RETURN; | |
| 3154 | } | |
| 3155 | ||
| 3156 | PP(pp_index) | |
| 3157 | { | |
| 39644a26 | 3158 | dSP; dTARGET; |
| 79072805 LW |
3159 | SV *big; |
| 3160 | SV *little; | |
| e609e586 | 3161 | SV *temp = Nullsv; |
| 79072805 LW |
3162 | I32 offset; |
| 3163 | I32 retval; | |
| 10516c54 NC |
3164 | const char *tmps; |
| 3165 | const char *tmps2; | |
| 463ee0b2 | 3166 | STRLEN biglen; |
| 1b6737cc | 3167 | const I32 arybase = PL_curcop->cop_arybase; |
| e609e586 NC |
3168 | int big_utf8; |
| 3169 | int little_utf8; | |
| 79072805 LW |
3170 | |
| 3171 | if (MAXARG < 3) | |
| 3172 | offset = 0; | |
| 3173 | else | |
| 3174 | offset = POPi - arybase; | |
| 3175 | little = POPs; | |
| 3176 | big = POPs; | |
| e609e586 NC |
3177 | big_utf8 = DO_UTF8(big); |
| 3178 | little_utf8 = DO_UTF8(little); | |
| 3179 | if (big_utf8 ^ little_utf8) { | |
| 3180 | /* One needs to be upgraded. */ | |
| 1b6737cc | 3181 | SV * const bytes = little_utf8 ? big : little; |
| e609e586 | 3182 | STRLEN len; |
| 1b6737cc | 3183 | const char * const p = SvPV_const(bytes, len); |
| e609e586 NC |
3184 | |
| 3185 | temp = newSVpvn(p, len); | |
| 3186 | ||
| 3187 | if (PL_encoding) { | |
| 3188 | sv_recode_to_utf8(temp, PL_encoding); | |
| 3189 | } else { | |
| 3190 | sv_utf8_upgrade(temp); | |
| 3191 | } | |
| 3192 | if (little_utf8) { | |
| 3193 | big = temp; | |
| 3194 | big_utf8 = TRUE; | |
| 3195 | } else { | |
| 3196 | little = temp; | |
| 3197 | } | |
| 3198 | } | |
| 3199 | if (big_utf8 && offset > 0) | |
| a0ed51b3 | 3200 | sv_pos_u2b(big, &offset, 0); |
| 10516c54 | 3201 | tmps = SvPV_const(big, biglen); |
| 79072805 LW |
3202 | if (offset < 0) |
| 3203 | offset = 0; | |
| eb160463 | 3204 | else if (offset > (I32)biglen) |
| 93a17b20 | 3205 | offset = biglen; |
| 79072805 | 3206 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
| 411d5715 | 3207 | (unsigned char*)tmps + biglen, little, 0))) |
| a0ed51b3 | 3208 | retval = -1; |
| 79072805 | 3209 | else |
| a0ed51b3 | 3210 | retval = tmps2 - tmps; |
| e609e586 | 3211 | if (retval > 0 && big_utf8) |
| a0ed51b3 | 3212 | sv_pos_b2u(big, &retval); |
| e609e586 NC |
3213 | if (temp) |
| 3214 | SvREFCNT_dec(temp); | |
| a0ed51b3 | 3215 | PUSHi(retval + arybase); |
| 79072805 LW |
3216 | RETURN; |
| 3217 | } | |
| 3218 | ||
| 3219 | PP(pp_rindex) | |
| 3220 | { | |
| 39644a26 | 3221 | dSP; dTARGET; |
| 79072805 LW |
3222 | SV *big; |
| 3223 | SV *little; | |
| e609e586 | 3224 | SV *temp = Nullsv; |
| 463ee0b2 LW |
3225 | STRLEN blen; |
| 3226 | STRLEN llen; | |
| 79072805 LW |
3227 | I32 offset; |
| 3228 | I32 retval; | |
| 10516c54 NC |
3229 | const char *tmps; |
| 3230 | const char *tmps2; | |
| 1b6737cc | 3231 | const I32 arybase = PL_curcop->cop_arybase; |
| e609e586 NC |
3232 | int big_utf8; |
| 3233 | int little_utf8; | |
| 79072805 | 3234 | |
| a0d0e21e | 3235 | if (MAXARG >= 3) |
| a0ed51b3 | 3236 | offset = POPi; |
| 79072805 LW |
3237 | little = POPs; |
| 3238 | big = POPs; | |
| e609e586 NC |
3239 | big_utf8 = DO_UTF8(big); |
| 3240 | little_utf8 = DO_UTF8(little); | |
| 3241 | if (big_utf8 ^ little_utf8) { | |
| 3242 | /* One needs to be upgraded. */ | |
| 1b6737cc | 3243 | SV * const bytes = little_utf8 ? big : little; |
| e609e586 | 3244 | STRLEN len; |
| 83003860 | 3245 | const char *p = SvPV_const(bytes, len); |
| e609e586 NC |
3246 | |
| 3247 | temp = newSVpvn(p, len); | |
| 3248 | ||
| 3249 | if (PL_encoding) { | |
| 3250 | sv_recode_to_utf8(temp, PL_encoding); | |
| 3251 | } else { | |
| 3252 | sv_utf8_upgrade(temp); | |
| 3253 | } | |
| 3254 | if (little_utf8) { | |
| 3255 | big = temp; | |
| 3256 | big_utf8 = TRUE; | |
| 3257 | } else { | |
| 3258 | little = temp; | |
| 3259 | } | |
| 3260 | } | |
| 10516c54 NC |
3261 | tmps2 = SvPV_const(little, llen); |
| 3262 | tmps = SvPV_const(big, blen); | |
| e609e586 | 3263 | |
| 79072805 | 3264 | if (MAXARG < 3) |
| 463ee0b2 | 3265 | offset = blen; |
| a0ed51b3 | 3266 | else { |
| e609e586 | 3267 | if (offset > 0 && big_utf8) |
| a0ed51b3 LW |
3268 | sv_pos_u2b(big, &offset, 0); |
| 3269 | offset = offset - arybase + llen; | |
| 3270 | } | |
| 79072805 LW |
3271 | if (offset < 0) |
| 3272 | offset = 0; | |
| eb160463 | 3273 | else if (offset > (I32)blen) |
| 463ee0b2 | 3274 | offset = blen; |
| 79072805 | 3275 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
| 463ee0b2 | 3276 | tmps2, tmps2 + llen))) |
| a0ed51b3 | 3277 | retval = -1; |
| 79072805 | 3278 | else |
| a0ed51b3 | 3279 | retval = tmps2 - tmps; |
| e609e586 | 3280 | if (retval > 0 && big_utf8) |
| a0ed51b3 | 3281 | sv_pos_b2u(big, &retval); |
| e609e586 NC |
3282 | if (temp) |
| 3283 | SvREFCNT_dec(temp); | |
| a0ed51b3 | 3284 | PUSHi(retval + arybase); |
| 79072805 LW |
3285 | RETURN; |
| 3286 | } | |
| 3287 | ||
| 3288 | PP(pp_sprintf) | |
| 3289 | { | |
| 39644a26 | 3290 | dSP; dMARK; dORIGMARK; dTARGET; |
| 79072805 | 3291 | do_sprintf(TARG, SP-MARK, MARK+1); |
| bbce6d69 | 3292 | TAINT_IF(SvTAINTED(TARG)); |
| 6ee35fb7 JH |
3293 | if (DO_UTF8(*(MARK+1))) |
| 3294 | SvUTF8_on(TARG); | |
| 79072805 LW |
3295 | SP = ORIGMARK; |
| 3296 | PUSHTARG; | |
| 3297 | RETURN; | |
| 3298 | } | |
| 3299 | ||
| 79072805 LW |
3300 | PP(pp_ord) |
| 3301 | { | |
| 39644a26 | 3302 | dSP; dTARGET; |
| 7df053ec | 3303 | SV *argsv = POPs; |
| ba210ebe | 3304 | STRLEN len; |
| 349d4f2f | 3305 | const U8 *s = (U8*)SvPV_const(argsv, len); |
| 121910a4 JH |
3306 | SV *tmpsv; |
| 3307 | ||
| 799ef3cb | 3308 | if (PL_encoding && SvPOK(argsv) && !DO_UTF8(argsv)) { |
| 121910a4 | 3309 | tmpsv = sv_2mortal(newSVsv(argsv)); |
| 799ef3cb | 3310 | s = (U8*)sv_recode_to_utf8(tmpsv, PL_encoding); |
| 121910a4 JH |
3311 | argsv = tmpsv; |
| 3312 | } | |
| 79072805 | 3313 | |
| 872c91ae | 3314 | XPUSHu(DO_UTF8(argsv) ? |
| 89ebb4a3 | 3315 | utf8n_to_uvchr(s, UTF8_MAXBYTES, 0, UTF8_ALLOW_ANYUV) : |
| 872c91ae | 3316 | (*s & 0xff)); |
| 68795e93 | 3317 | |
| 79072805 LW |
3318 | RETURN; |
| 3319 | } | |
| 3320 | ||
| 463ee0b2 LW |
3321 | PP(pp_chr) |
| 3322 | { | |
| 39644a26 | 3323 | dSP; dTARGET; |
| 463ee0b2 | 3324 | char *tmps; |
| 8a064bd6 JH |
3325 | UV value; |
| 3326 | ||
| 3327 | if (((SvIOK_notUV(TOPs) && SvIV(TOPs) < 0) | |
| 3328 | || | |
| 3329 | (SvNOK(TOPs) && SvNV(TOPs) < 0.0))) { | |
| 3330 | if (IN_BYTES) { | |
| 3331 | value = POPu; /* chr(-1) eq chr(0xff), etc. */ | |
| 3332 | } else { | |
| 3333 | (void) POPs; /* Ignore the argument value. */ | |
| 3334 | value = UNICODE_REPLACEMENT; | |
| 3335 | } | |
| 3336 | } else { | |
| 3337 | value = POPu; | |
| 3338 | } | |
| 463ee0b2 | 3339 | |
| 862a34c6 | 3340 | SvUPGRADE(TARG,SVt_PV); |
| a0ed51b3 | 3341 | |
| 0064a8a9 | 3342 | if (value > 255 && !IN_BYTES) { |
| eb160463 | 3343 | SvGROW(TARG, (STRLEN)UNISKIP(value)+1); |
| 62961d2e | 3344 | tmps = (char*)uvchr_to_utf8_flags((U8*)SvPVX(TARG), value, 0); |
| 349d4f2f | 3345 | SvCUR_set(TARG, tmps - SvPVX_const(TARG)); |
| a0ed51b3 LW |
3346 | *tmps = '\0'; |
| 3347 | (void)SvPOK_only(TARG); | |
| aa6ffa16 | 3348 | SvUTF8_on(TARG); |
| a0ed51b3 LW |
3349 | XPUSHs(TARG); |
| 3350 | RETURN; | |
| 3351 | } | |
| 3352 | ||
| 748a9306 | 3353 | SvGROW(TARG,2); |
| 463ee0b2 LW |
3354 | SvCUR_set(TARG, 1); |
| 3355 | tmps = SvPVX(TARG); | |
| eb160463 | 3356 | *tmps++ = (char)value; |
| 748a9306 | 3357 | *tmps = '\0'; |
| a0d0e21e | 3358 | (void)SvPOK_only(TARG); |
| 88632417 | 3359 | if (PL_encoding && !IN_BYTES) { |
| 799ef3cb | 3360 | sv_recode_to_utf8(TARG, PL_encoding); |
| 88632417 JH |
3361 | tmps = SvPVX(TARG); |
| 3362 | if (SvCUR(TARG) == 0 || !is_utf8_string((U8*)tmps, SvCUR(TARG)) || | |
| 3363 | memEQ(tmps, "\xef\xbf\xbd\0", 4)) { | |
| d5a15ac2 JH |
3364 | SvGROW(TARG, 3); |
| 3365 | tmps = SvPVX(TARG); | |
| 88632417 JH |
3366 | SvCUR_set(TARG, 2); |
| 3367 | *tmps++ = (U8)UTF8_EIGHT_BIT_HI(value); | |
| 3368 | *tmps++ = (U8)UTF8_EIGHT_BIT_LO(value); | |
| 3369 | *tmps = '\0'; | |
| 3370 | SvUTF8_on(TARG); | |
| 3371 | } | |
| 3372 | } | |
| 463ee0b2 LW |
3373 | XPUSHs(TARG); |
| 3374 | RETURN; | |
| 3375 | } | |
| 3376 | ||
| 79072805 LW |
3377 | PP(pp_crypt) |
| 3378 | { | |
| 79072805 | 3379 | #ifdef HAS_CRYPT |
| 27da23d5 | 3380 | dSP; dTARGET; |
| 5f74f29c | 3381 | dPOPTOPssrl; |
| 85c16d83 | 3382 | STRLEN len; |
| 10516c54 | 3383 | const char *tmps = SvPV_const(left, len); |
| 2bc69dc4 | 3384 | |
| 85c16d83 | 3385 | if (DO_UTF8(left)) { |
| 2bc69dc4 | 3386 | /* If Unicode, try to downgrade. |
| f2791508 JH |
3387 | * If not possible, croak. |
| 3388 | * Yes, we made this up. */ | |
| 1b6737cc | 3389 | SV* const tsv = sv_2mortal(newSVsv(left)); |
| 2bc69dc4 | 3390 | |
| f2791508 | 3391 | SvUTF8_on(tsv); |
| 2bc69dc4 | 3392 | sv_utf8_downgrade(tsv, FALSE); |
| 349d4f2f | 3393 | tmps = SvPV_const(tsv, len); |
| 85c16d83 | 3394 | } |
| 05404ffe JH |
3395 | # ifdef USE_ITHREADS |
| 3396 | # ifdef HAS_CRYPT_R | |
| 3397 | if (!PL_reentrant_buffer->_crypt_struct_buffer) { | |
| 3398 | /* This should be threadsafe because in ithreads there is only | |
| 3399 | * one thread per interpreter. If this would not be true, | |
| 3400 | * we would need a mutex to protect this malloc. */ | |
| 3401 | PL_reentrant_buffer->_crypt_struct_buffer = | |
| 3402 | (struct crypt_data *)safemalloc(sizeof(struct crypt_data)); | |
| 3403 | #if defined(__GLIBC__) || defined(__EMX__) | |
| 3404 | if (PL_reentrant_buffer->_crypt_struct_buffer) { | |
| 3405 | PL_reentrant_buffer->_crypt_struct_buffer->initialized = 0; | |
| 3406 | /* work around glibc-2.2.5 bug */ | |
| 3407 | PL_reentrant_buffer->_crypt_struct_buffer->current_saltbits = 0; | |
| 3408 | } | |
| 05404ffe | 3409 | #endif |
| 6ab58e4d | 3410 | } |
| 05404ffe JH |
3411 | # endif /* HAS_CRYPT_R */ |
| 3412 | # endif /* USE_ITHREADS */ | |
| 5f74f29c | 3413 | # ifdef FCRYPT |
| 83003860 | 3414 | sv_setpv(TARG, fcrypt(tmps, SvPV_nolen_const(right))); |
| 5f74f29c | 3415 | # else |
| 83003860 | 3416 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV_nolen_const(right))); |
| 5f74f29c | 3417 | # endif |
| 4808266b JH |
3418 | SETs(TARG); |
| 3419 | RETURN; | |
| 79072805 | 3420 | #else |
| b13b2135 | 3421 | DIE(aTHX_ |
| 79072805 LW |
3422 | "The crypt() function is unimplemented due to excessive paranoia."); |
| 3423 | #endif | |
| 79072805 LW |
3424 | } |
| 3425 | ||
| 3426 | PP(pp_ucfirst) | |
| 3427 | { | |
| 39644a26 | 3428 | dSP; |
| 79072805 | 3429 | SV *sv = TOPs; |
| 83003860 | 3430 | const U8 *s; |
| a0ed51b3 LW |
3431 | STRLEN slen; |
| 3432 | ||
| d104a74c | 3433 | SvGETMAGIC(sv); |
| 3a2263fe | 3434 | if (DO_UTF8(sv) && |
| 83003860 | 3435 | (s = (const U8*)SvPV_nomg_const(sv, slen)) && slen && |
| 3a2263fe | 3436 | UTF8_IS_START(*s)) { |
| 89ebb4a3 | 3437 | U8 tmpbuf[UTF8_MAXBYTES_CASE+1]; |
| 44bc797b JH |
3438 | STRLEN ulen; |
| 3439 | STRLEN tculen; | |
| a0ed51b3 | 3440 | |
| 44bc797b | 3441 | utf8_to_uvchr(s, &ulen); |
| 44bc797b JH |
3442 | toTITLE_utf8(s, tmpbuf, &tculen); |
| 3443 | utf8_to_uvchr(tmpbuf, 0); | |
| 3444 | ||
| 3445 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { | |
| a0ed51b3 | 3446 | dTARGET; |
| 3a2263fe RGS |
3447 | /* slen is the byte length of the whole SV. |
| 3448 | * ulen is the byte length of the original Unicode character | |
| 3449 | * stored as UTF-8 at s. | |
| 3450 | * tculen is the byte length of the freshly titlecased | |
| 3451 | * Unicode character stored as UTF-8 at tmpbuf. | |
| 3452 | * We first set the result to be the titlecased character, | |
| 3453 | * and then append the rest of the SV data. */ | |
| 44bc797b | 3454 | sv_setpvn(TARG, (char*)tmpbuf, tculen); |
| 3a2263fe RGS |
3455 | if (slen > ulen) |
| 3456 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
| 7e2040f0 | 3457 | SvUTF8_on(TARG); |
| a0ed51b3 LW |
3458 | SETs(TARG); |
| 3459 | } | |
| 3460 | else { | |
| d104a74c | 3461 | s = (U8*)SvPV_force_nomg(sv, slen); |
| 44bc797b | 3462 | Copy(tmpbuf, s, tculen, U8); |
| a0ed51b3 | 3463 | } |
| a0ed51b3 | 3464 | } |
| 626727d5 | 3465 | else { |
| 83003860 | 3466 | U8 *s1; |
| 014822e4 | 3467 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3468 | dTARGET; |
| 7e2040f0 | 3469 | SvUTF8_off(TARG); /* decontaminate */ |
| d104a74c | 3470 | sv_setsv_nomg(TARG, sv); |
| 31351b04 JS |
3471 | sv = TARG; |
| 3472 | SETs(sv); | |
| 3473 | } | |
| 83003860 NC |
3474 | s1 = (U8*)SvPV_force_nomg(sv, slen); |
| 3475 | if (*s1) { | |
| 2de3dbcc | 3476 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3477 | TAINT; |
| 3478 | SvTAINTED_on(sv); | |
| 83003860 | 3479 | *s1 = toUPPER_LC(*s1); |
| 31351b04 JS |
3480 | } |
| 3481 | else | |
| 83003860 | 3482 | *s1 = toUPPER(*s1); |
| bbce6d69 | 3483 | } |
| bbce6d69 | 3484 | } |
| d104a74c | 3485 | SvSETMAGIC(sv); |
| 79072805 LW |
3486 | RETURN; |
| 3487 | } | |
| 3488 | ||
| 3489 | PP(pp_lcfirst) | |
| 3490 | { | |
| 39644a26 | 3491 | dSP; |
| 79072805 | 3492 | SV *sv = TOPs; |
| 83003860 | 3493 | const U8 *s; |
| a0ed51b3 LW |
3494 | STRLEN slen; |
| 3495 | ||
| d104a74c | 3496 | SvGETMAGIC(sv); |
| 3a2263fe | 3497 | if (DO_UTF8(sv) && |
| 83003860 | 3498 | (s = (const U8*)SvPV_nomg_const(sv, slen)) && slen && |
| 3a2263fe | 3499 | UTF8_IS_START(*s)) { |
| ba210ebe | 3500 | STRLEN ulen; |
| 89ebb4a3 | 3501 | U8 tmpbuf[UTF8_MAXBYTES_CASE+1]; |
| a0ed51b3 | 3502 | U8 *tend; |
| 9041c2e3 | 3503 | UV uv; |
| a0ed51b3 | 3504 | |
| 44bc797b | 3505 | toLOWER_utf8(s, tmpbuf, &ulen); |
| a2a2844f | 3506 | uv = utf8_to_uvchr(tmpbuf, 0); |
| 9041c2e3 | 3507 | tend = uvchr_to_utf8(tmpbuf, uv); |
| a0ed51b3 | 3508 | |
| eb160463 | 3509 | if (!SvPADTMP(sv) || (STRLEN)(tend - tmpbuf) != ulen || SvREADONLY(sv)) { |
| a0ed51b3 | 3510 | dTARGET; |
| dfe13c55 | 3511 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
| 3a2263fe RGS |
3512 | if (slen > ulen) |
| 3513 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
| 7e2040f0 | 3514 | SvUTF8_on(TARG); |
| a0ed51b3 LW |
3515 | SETs(TARG); |
| 3516 | } | |
| 3517 | else { | |
| d104a74c | 3518 | s = (U8*)SvPV_force_nomg(sv, slen); |
| a0ed51b3 LW |
3519 | Copy(tmpbuf, s, ulen, U8); |
| 3520 | } | |
| a0ed51b3 | 3521 | } |
| 626727d5 | 3522 | else { |
| 83003860 | 3523 | U8 *s1; |
| 014822e4 | 3524 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3525 | dTARGET; |
| 7e2040f0 | 3526 | SvUTF8_off(TARG); /* decontaminate */ |
| d104a74c | 3527 | sv_setsv_nomg(TARG, sv); |
| 31351b04 JS |
3528 | sv = TARG; |
| 3529 | SETs(sv); | |
| 3530 | } | |
| 83003860 NC |
3531 | s1 = (U8*)SvPV_force_nomg(sv, slen); |
| 3532 | if (*s1) { | |
| 2de3dbcc | 3533 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3534 | TAINT; |
| 3535 | SvTAINTED_on(sv); | |
| 83003860 | 3536 | *s1 = toLOWER_LC(*s1); |
| 31351b04 JS |
3537 | } |
| 3538 | else | |
| 83003860 | 3539 | *s1 = toLOWER(*s1); |
| bbce6d69 | 3540 | } |
| bbce6d69 | 3541 | } |
| d104a74c | 3542 | SvSETMAGIC(sv); |
| 79072805 LW |
3543 | RETURN; |
| 3544 | } | |
| 3545 | ||
| 3546 | PP(pp_uc) | |
| 3547 | { | |
| 39644a26 | 3548 | dSP; |
| 79072805 | 3549 | SV *sv = TOPs; |
| 463ee0b2 | 3550 | STRLEN len; |
| 79072805 | 3551 | |
| d104a74c | 3552 | SvGETMAGIC(sv); |
| 7e2040f0 | 3553 | if (DO_UTF8(sv)) { |
| a0ed51b3 | 3554 | dTARGET; |
| ba210ebe | 3555 | STRLEN ulen; |
| a0ed51b3 | 3556 | register U8 *d; |
| 10516c54 NC |
3557 | const U8 *s; |
| 3558 | const U8 *send; | |
| 89ebb4a3 | 3559 | U8 tmpbuf[UTF8_MAXBYTES+1]; |
| a0ed51b3 | 3560 | |
| 10516c54 | 3561 | s = (const U8*)SvPV_nomg_const(sv,len); |
| a5a20234 | 3562 | if (!len) { |
| 7e2040f0 | 3563 | SvUTF8_off(TARG); /* decontaminate */ |
| a5a20234 LW |
3564 | sv_setpvn(TARG, "", 0); |
| 3565 | SETs(TARG); | |
| a0ed51b3 LW |
3566 | } |
| 3567 | else { | |
| 128c9517 JH |
3568 | STRLEN min = len + 1; |
| 3569 | ||
| 862a34c6 | 3570 | SvUPGRADE(TARG, SVt_PV); |
| 128c9517 | 3571 | SvGROW(TARG, min); |
| 31351b04 JS |
3572 | (void)SvPOK_only(TARG); |
| 3573 | d = (U8*)SvPVX(TARG); | |
| 3574 | send = s + len; | |
| a2a2844f | 3575 | while (s < send) { |
| 89ebb4a3 JH |
3576 | STRLEN u = UTF8SKIP(s); |
| 3577 | ||
| 6fdb5f96 | 3578 | toUPPER_utf8(s, tmpbuf, &ulen); |
| 128c9517 JH |
3579 | if (ulen > u && (SvLEN(TARG) < (min += ulen - u))) { |
| 3580 | /* If the eventually required minimum size outgrows | |
| 3581 | * the available space, we need to grow. */ | |
| 349d4f2f | 3582 | UV o = d - (U8*)SvPVX_const(TARG); |
| 89ebb4a3 JH |
3583 | |
| 3584 | /* If someone uppercases one million U+03B0s we | |
| 3585 | * SvGROW() one million times. Or we could try | |
| 32c480af JH |
3586 | * guessing how much to allocate without allocating |
| 3587 | * too much. Such is life. */ | |
| 128c9517 | 3588 | SvGROW(TARG, min); |
| 89ebb4a3 JH |
3589 | d = (U8*)SvPVX(TARG) + o; |
| 3590 | } | |
| a2a2844f JH |
3591 | Copy(tmpbuf, d, ulen, U8); |
| 3592 | d += ulen; | |
| 89ebb4a3 | 3593 | s += u; |
| a0ed51b3 | 3594 | } |
| 31351b04 | 3595 | *d = '\0'; |
| 7e2040f0 | 3596 | SvUTF8_on(TARG); |
| 349d4f2f | 3597 | SvCUR_set(TARG, d - (U8*)SvPVX_const(TARG)); |
| 31351b04 | 3598 | SETs(TARG); |
| a0ed51b3 | 3599 | } |
| a0ed51b3 | 3600 | } |
| 626727d5 | 3601 | else { |
| 10516c54 | 3602 | U8 *s; |
| 014822e4 | 3603 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3604 | dTARGET; |
| 7e2040f0 | 3605 | SvUTF8_off(TARG); /* decontaminate */ |
| d104a74c | 3606 | sv_setsv_nomg(TARG, sv); |
| 31351b04 JS |
3607 | sv = TARG; |
| 3608 | SETs(sv); | |
| 3609 | } | |
| d104a74c | 3610 | s = (U8*)SvPV_force_nomg(sv, len); |
| 31351b04 | 3611 | if (len) { |
| 10516c54 | 3612 | const register U8 *send = s + len; |
| 31351b04 | 3613 | |
| 2de3dbcc | 3614 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3615 | TAINT; |
| 3616 | SvTAINTED_on(sv); | |
| 3617 | for (; s < send; s++) | |
| 3618 | *s = toUPPER_LC(*s); | |
| 3619 | } | |
| 3620 | else { | |
| 3621 | for (; s < send; s++) | |
| 3622 | *s = toUPPER(*s); | |
| 3623 | } | |
| bbce6d69 | 3624 | } |
| 79072805 | 3625 | } |
| d104a74c | 3626 | SvSETMAGIC(sv); |
| 79072805 LW |
3627 | RETURN; |
| 3628 | } | |
| 3629 | ||
| 3630 | PP(pp_lc) | |
| 3631 | { | |
| 39644a26 | 3632 | dSP; |
| 79072805 | 3633 | SV *sv = TOPs; |
| 463ee0b2 | 3634 | STRLEN len; |
| 79072805 | 3635 | |
| d104a74c | 3636 | SvGETMAGIC(sv); |
| 7e2040f0 | 3637 | if (DO_UTF8(sv)) { |
| a0ed51b3 | 3638 | dTARGET; |
| 10516c54 | 3639 | const U8 *s; |
| ba210ebe | 3640 | STRLEN ulen; |
| a0ed51b3 | 3641 | register U8 *d; |
| 10516c54 | 3642 | const U8 *send; |
| 89ebb4a3 | 3643 | U8 tmpbuf[UTF8_MAXBYTES_CASE+1]; |
| a0ed51b3 | 3644 | |
| 10516c54 | 3645 | s = (const U8*)SvPV_nomg_const(sv,len); |
| a5a20234 | 3646 | if (!len) { |
| 7e2040f0 | 3647 | SvUTF8_off(TARG); /* decontaminate */ |
| a5a20234 LW |
3648 | sv_setpvn(TARG, "", 0); |
| 3649 | SETs(TARG); | |
| a0ed51b3 LW |
3650 | } |