| 1 | /* pp.c |
| 2 | * |
| 3 | * Copyright (c) 1991-2000, Larry Wall |
| 4 | * |
| 5 | * You may distribute under the terms of either the GNU General Public |
| 6 | * License or the Artistic License, as specified in the README file. |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * "It's a big house this, and very peculiar. Always a bit more to discover, |
| 12 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise |
| 13 | */ |
| 14 | |
| 15 | #include "EXTERN.h" |
| 16 | #define PERL_IN_PP_C |
| 17 | #include "perl.h" |
| 18 | |
| 19 | /* |
| 20 | * The compiler on Concurrent CX/UX systems has a subtle bug which only |
| 21 | * seems to show up when compiling pp.c - it generates the wrong double |
| 22 | * precision constant value for (double)UV_MAX when used inline in the body |
| 23 | * of the code below, so this makes a static variable up front (which the |
| 24 | * compiler seems to get correct) and uses it in place of UV_MAX below. |
| 25 | */ |
| 26 | #ifdef CXUX_BROKEN_CONSTANT_CONVERT |
| 27 | static double UV_MAX_cxux = ((double)UV_MAX); |
| 28 | #endif |
| 29 | |
| 30 | /* |
| 31 | * Offset for integer pack/unpack. |
| 32 | * |
| 33 | * On architectures where I16 and I32 aren't really 16 and 32 bits, |
| 34 | * which for now are all Crays, pack and unpack have to play games. |
| 35 | */ |
| 36 | |
| 37 | /* |
| 38 | * These values are required for portability of pack() output. |
| 39 | * If they're not right on your machine, then pack() and unpack() |
| 40 | * wouldn't work right anyway; you'll need to apply the Cray hack. |
| 41 | * (I'd like to check them with #if, but you can't use sizeof() in |
| 42 | * the preprocessor.) --??? |
| 43 | */ |
| 44 | /* |
| 45 | The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE |
| 46 | defines are now in config.h. --Andy Dougherty April 1998 |
| 47 | */ |
| 48 | #define SIZE16 2 |
| 49 | #define SIZE32 4 |
| 50 | |
| 51 | /* CROSSCOMPILE and MULTIARCH are going to affect pp_pack() and pp_unpack(). |
| 52 | --jhi Feb 1999 */ |
| 53 | |
| 54 | #if SHORTSIZE != SIZE16 || LONGSIZE != SIZE32 |
| 55 | # define PERL_NATINT_PACK |
| 56 | #endif |
| 57 | |
| 58 | #if LONGSIZE > 4 && defined(_CRAY) |
| 59 | # if BYTEORDER == 0x12345678 |
| 60 | # define OFF16(p) (char*)(p) |
| 61 | # define OFF32(p) (char*)(p) |
| 62 | # else |
| 63 | # if BYTEORDER == 0x87654321 |
| 64 | # define OFF16(p) ((char*)(p) + (sizeof(U16) - SIZE16)) |
| 65 | # define OFF32(p) ((char*)(p) + (sizeof(U32) - SIZE32)) |
| 66 | # else |
| 67 | }}}} bad cray byte order |
| 68 | # endif |
| 69 | # endif |
| 70 | # define COPY16(s,p) (*(p) = 0, Copy(s, OFF16(p), SIZE16, char)) |
| 71 | # define COPY32(s,p) (*(p) = 0, Copy(s, OFF32(p), SIZE32, char)) |
| 72 | # define COPYNN(s,p,n) (*(p) = 0, Copy(s, (char *)(p), n, char)) |
| 73 | # define CAT16(sv,p) sv_catpvn(sv, OFF16(p), SIZE16) |
| 74 | # define CAT32(sv,p) sv_catpvn(sv, OFF32(p), SIZE32) |
| 75 | #else |
| 76 | # define COPY16(s,p) Copy(s, p, SIZE16, char) |
| 77 | # define COPY32(s,p) Copy(s, p, SIZE32, char) |
| 78 | # define COPYNN(s,p,n) Copy(s, (char *)(p), n, char) |
| 79 | # define CAT16(sv,p) sv_catpvn(sv, (char*)(p), SIZE16) |
| 80 | # define CAT32(sv,p) sv_catpvn(sv, (char*)(p), SIZE32) |
| 81 | #endif |
| 82 | |
| 83 | /* variations on pp_null */ |
| 84 | |
| 85 | #ifdef I_UNISTD |
| 86 | #include <unistd.h> |
| 87 | #endif |
| 88 | |
| 89 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ |
| 90 | it, since pid_t is an integral type. |
| 91 | --AD 2/20/1998 |
| 92 | */ |
| 93 | #ifdef NEED_GETPID_PROTO |
| 94 | extern Pid_t getpid (void); |
| 95 | #endif |
| 96 | |
| 97 | PP(pp_stub) |
| 98 | { |
| 99 | djSP; |
| 100 | if (GIMME_V == G_SCALAR) |
| 101 | XPUSHs(&PL_sv_undef); |
| 102 | RETURN; |
| 103 | } |
| 104 | |
| 105 | PP(pp_scalar) |
| 106 | { |
| 107 | return NORMAL; |
| 108 | } |
| 109 | |
| 110 | /* Pushy stuff. */ |
| 111 | |
| 112 | PP(pp_padav) |
| 113 | { |
| 114 | djSP; dTARGET; |
| 115 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 116 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); |
| 117 | EXTEND(SP, 1); |
| 118 | if (PL_op->op_flags & OPf_REF) { |
| 119 | PUSHs(TARG); |
| 120 | RETURN; |
| 121 | } |
| 122 | if (GIMME == G_ARRAY) { |
| 123 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
| 124 | EXTEND(SP, maxarg); |
| 125 | if (SvMAGICAL(TARG)) { |
| 126 | U32 i; |
| 127 | for (i=0; i < maxarg; i++) { |
| 128 | SV **svp = av_fetch((AV*)TARG, i, FALSE); |
| 129 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
| 130 | } |
| 131 | } |
| 132 | else { |
| 133 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); |
| 134 | } |
| 135 | SP += maxarg; |
| 136 | } |
| 137 | else { |
| 138 | SV* sv = sv_newmortal(); |
| 139 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
| 140 | sv_setiv(sv, maxarg); |
| 141 | PUSHs(sv); |
| 142 | } |
| 143 | RETURN; |
| 144 | } |
| 145 | |
| 146 | PP(pp_padhv) |
| 147 | { |
| 148 | djSP; dTARGET; |
| 149 | I32 gimme; |
| 150 | |
| 151 | XPUSHs(TARG); |
| 152 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 153 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); |
| 154 | if (PL_op->op_flags & OPf_REF) |
| 155 | RETURN; |
| 156 | gimme = GIMME_V; |
| 157 | if (gimme == G_ARRAY) { |
| 158 | RETURNOP(do_kv()); |
| 159 | } |
| 160 | else if (gimme == G_SCALAR) { |
| 161 | SV* sv = sv_newmortal(); |
| 162 | if (HvFILL((HV*)TARG)) |
| 163 | Perl_sv_setpvf(aTHX_ sv, "%ld/%ld", |
| 164 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); |
| 165 | else |
| 166 | sv_setiv(sv, 0); |
| 167 | SETs(sv); |
| 168 | } |
| 169 | RETURN; |
| 170 | } |
| 171 | |
| 172 | PP(pp_padany) |
| 173 | { |
| 174 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
| 175 | } |
| 176 | |
| 177 | /* Translations. */ |
| 178 | |
| 179 | PP(pp_rv2gv) |
| 180 | { |
| 181 | djSP; dTOPss; |
| 182 | |
| 183 | if (SvROK(sv)) { |
| 184 | wasref: |
| 185 | tryAMAGICunDEREF(to_gv); |
| 186 | |
| 187 | sv = SvRV(sv); |
| 188 | if (SvTYPE(sv) == SVt_PVIO) { |
| 189 | GV *gv = (GV*) sv_newmortal(); |
| 190 | gv_init(gv, 0, "", 0, 0); |
| 191 | GvIOp(gv) = (IO *)sv; |
| 192 | (void)SvREFCNT_inc(sv); |
| 193 | sv = (SV*) gv; |
| 194 | } |
| 195 | else if (SvTYPE(sv) != SVt_PVGV) |
| 196 | DIE(aTHX_ "Not a GLOB reference"); |
| 197 | } |
| 198 | else { |
| 199 | if (SvTYPE(sv) != SVt_PVGV) { |
| 200 | char *sym; |
| 201 | STRLEN n_a; |
| 202 | |
| 203 | if (SvGMAGICAL(sv)) { |
| 204 | mg_get(sv); |
| 205 | if (SvROK(sv)) |
| 206 | goto wasref; |
| 207 | } |
| 208 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
| 209 | /* If this is a 'my' scalar and flag is set then vivify |
| 210 | * NI-S 1999/05/07 |
| 211 | */ |
| 212 | if (PL_op->op_private & OPpDEREF) { |
| 213 | char *name; |
| 214 | GV *gv; |
| 215 | if (cUNOP->op_targ) { |
| 216 | STRLEN len; |
| 217 | SV *namesv = PL_curpad[cUNOP->op_targ]; |
| 218 | name = SvPV(namesv, len); |
| 219 | gv = (GV*)NEWSV(0,0); |
| 220 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
| 221 | } |
| 222 | else { |
| 223 | name = CopSTASHPV(PL_curcop); |
| 224 | gv = newGVgen(name); |
| 225 | } |
| 226 | sv_upgrade(sv, SVt_RV); |
| 227 | SvRV(sv) = (SV*)gv; |
| 228 | SvROK_on(sv); |
| 229 | SvSETMAGIC(sv); |
| 230 | goto wasref; |
| 231 | } |
| 232 | if (PL_op->op_flags & OPf_REF || |
| 233 | PL_op->op_private & HINT_STRICT_REFS) |
| 234 | DIE(aTHX_ PL_no_usym, "a symbol"); |
| 235 | if (ckWARN(WARN_UNINITIALIZED)) |
| 236 | report_uninit(); |
| 237 | RETSETUNDEF; |
| 238 | } |
| 239 | sym = SvPV(sv, n_a); |
| 240 | if ((PL_op->op_flags & OPf_SPECIAL) && |
| 241 | !(PL_op->op_flags & OPf_MOD)) |
| 242 | { |
| 243 | sv = (SV*)gv_fetchpv(sym, FALSE, SVt_PVGV); |
| 244 | if (!sv) |
| 245 | RETSETUNDEF; |
| 246 | } |
| 247 | else { |
| 248 | if (PL_op->op_private & HINT_STRICT_REFS) |
| 249 | DIE(aTHX_ PL_no_symref, sym, "a symbol"); |
| 250 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
| 251 | } |
| 252 | } |
| 253 | } |
| 254 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 255 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); |
| 256 | SETs(sv); |
| 257 | RETURN; |
| 258 | } |
| 259 | |
| 260 | PP(pp_rv2sv) |
| 261 | { |
| 262 | djSP; dTOPss; |
| 263 | |
| 264 | if (SvROK(sv)) { |
| 265 | wasref: |
| 266 | tryAMAGICunDEREF(to_sv); |
| 267 | |
| 268 | sv = SvRV(sv); |
| 269 | switch (SvTYPE(sv)) { |
| 270 | case SVt_PVAV: |
| 271 | case SVt_PVHV: |
| 272 | case SVt_PVCV: |
| 273 | DIE(aTHX_ "Not a SCALAR reference"); |
| 274 | } |
| 275 | } |
| 276 | else { |
| 277 | GV *gv = (GV*)sv; |
| 278 | char *sym; |
| 279 | STRLEN n_a; |
| 280 | |
| 281 | if (SvTYPE(gv) != SVt_PVGV) { |
| 282 | if (SvGMAGICAL(sv)) { |
| 283 | mg_get(sv); |
| 284 | if (SvROK(sv)) |
| 285 | goto wasref; |
| 286 | } |
| 287 | if (!SvOK(sv)) { |
| 288 | if (PL_op->op_flags & OPf_REF || |
| 289 | PL_op->op_private & HINT_STRICT_REFS) |
| 290 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
| 291 | if (ckWARN(WARN_UNINITIALIZED)) |
| 292 | report_uninit(); |
| 293 | RETSETUNDEF; |
| 294 | } |
| 295 | sym = SvPV(sv, n_a); |
| 296 | if ((PL_op->op_flags & OPf_SPECIAL) && |
| 297 | !(PL_op->op_flags & OPf_MOD)) |
| 298 | { |
| 299 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); |
| 300 | if (!gv) |
| 301 | RETSETUNDEF; |
| 302 | } |
| 303 | else { |
| 304 | if (PL_op->op_private & HINT_STRICT_REFS) |
| 305 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
| 306 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
| 307 | } |
| 308 | } |
| 309 | sv = GvSV(gv); |
| 310 | } |
| 311 | if (PL_op->op_flags & OPf_MOD) { |
| 312 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 313 | sv = save_scalar((GV*)TOPs); |
| 314 | else if (PL_op->op_private & OPpDEREF) |
| 315 | vivify_ref(sv, PL_op->op_private & OPpDEREF); |
| 316 | } |
| 317 | SETs(sv); |
| 318 | RETURN; |
| 319 | } |
| 320 | |
| 321 | PP(pp_av2arylen) |
| 322 | { |
| 323 | djSP; |
| 324 | AV *av = (AV*)TOPs; |
| 325 | SV *sv = AvARYLEN(av); |
| 326 | if (!sv) { |
| 327 | AvARYLEN(av) = sv = NEWSV(0,0); |
| 328 | sv_upgrade(sv, SVt_IV); |
| 329 | sv_magic(sv, (SV*)av, '#', Nullch, 0); |
| 330 | } |
| 331 | SETs(sv); |
| 332 | RETURN; |
| 333 | } |
| 334 | |
| 335 | PP(pp_pos) |
| 336 | { |
| 337 | djSP; dTARGET; dPOPss; |
| 338 | |
| 339 | if (PL_op->op_flags & OPf_MOD) { |
| 340 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 341 | sv_upgrade(TARG, SVt_PVLV); |
| 342 | sv_magic(TARG, Nullsv, '.', Nullch, 0); |
| 343 | } |
| 344 | |
| 345 | LvTYPE(TARG) = '.'; |
| 346 | if (LvTARG(TARG) != sv) { |
| 347 | if (LvTARG(TARG)) |
| 348 | SvREFCNT_dec(LvTARG(TARG)); |
| 349 | LvTARG(TARG) = SvREFCNT_inc(sv); |
| 350 | } |
| 351 | PUSHs(TARG); /* no SvSETMAGIC */ |
| 352 | RETURN; |
| 353 | } |
| 354 | else { |
| 355 | MAGIC* mg; |
| 356 | |
| 357 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
| 358 | mg = mg_find(sv, 'g'); |
| 359 | if (mg && mg->mg_len >= 0) { |
| 360 | I32 i = mg->mg_len; |
| 361 | if (DO_UTF8(sv)) |
| 362 | sv_pos_b2u(sv, &i); |
| 363 | PUSHi(i + PL_curcop->cop_arybase); |
| 364 | RETURN; |
| 365 | } |
| 366 | } |
| 367 | RETPUSHUNDEF; |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | PP(pp_rv2cv) |
| 372 | { |
| 373 | djSP; |
| 374 | GV *gv; |
| 375 | HV *stash; |
| 376 | |
| 377 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
| 378 | /* (But not in defined().) */ |
| 379 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
| 380 | if (cv) { |
| 381 | if (CvCLONE(cv)) |
| 382 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
| 383 | if ((PL_op->op_private & OPpLVAL_INTRO) && !CvLVALUE(cv)) |
| 384 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); |
| 385 | } |
| 386 | else |
| 387 | cv = (CV*)&PL_sv_undef; |
| 388 | SETs((SV*)cv); |
| 389 | RETURN; |
| 390 | } |
| 391 | |
| 392 | PP(pp_prototype) |
| 393 | { |
| 394 | djSP; |
| 395 | CV *cv; |
| 396 | HV *stash; |
| 397 | GV *gv; |
| 398 | SV *ret; |
| 399 | |
| 400 | ret = &PL_sv_undef; |
| 401 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
| 402 | char *s = SvPVX(TOPs); |
| 403 | if (strnEQ(s, "CORE::", 6)) { |
| 404 | int code; |
| 405 | |
| 406 | code = keyword(s + 6, SvCUR(TOPs) - 6); |
| 407 | if (code < 0) { /* Overridable. */ |
| 408 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) |
| 409 | int i = 0, n = 0, seen_question = 0; |
| 410 | I32 oa; |
| 411 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ |
| 412 | |
| 413 | while (i < MAXO) { /* The slow way. */ |
| 414 | if (strEQ(s + 6, PL_op_name[i]) |
| 415 | || strEQ(s + 6, PL_op_desc[i])) |
| 416 | { |
| 417 | goto found; |
| 418 | } |
| 419 | i++; |
| 420 | } |
| 421 | goto nonesuch; /* Should not happen... */ |
| 422 | found: |
| 423 | oa = PL_opargs[i] >> OASHIFT; |
| 424 | while (oa) { |
| 425 | if (oa & OA_OPTIONAL) { |
| 426 | seen_question = 1; |
| 427 | str[n++] = ';'; |
| 428 | } |
| 429 | else if (n && str[0] == ';' && seen_question) |
| 430 | goto set; /* XXXX system, exec */ |
| 431 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
| 432 | && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) { |
| 433 | str[n++] = '\\'; |
| 434 | } |
| 435 | /* What to do with R ((un)tie, tied, (sys)read, recv)? */ |
| 436 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; |
| 437 | oa = oa >> 4; |
| 438 | } |
| 439 | str[n++] = '\0'; |
| 440 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
| 441 | } |
| 442 | else if (code) /* Non-Overridable */ |
| 443 | goto set; |
| 444 | else { /* None such */ |
| 445 | nonesuch: |
| 446 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
| 447 | } |
| 448 | } |
| 449 | } |
| 450 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
| 451 | if (cv && SvPOK(cv)) |
| 452 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
| 453 | set: |
| 454 | SETs(ret); |
| 455 | RETURN; |
| 456 | } |
| 457 | |
| 458 | PP(pp_anoncode) |
| 459 | { |
| 460 | djSP; |
| 461 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
| 462 | if (CvCLONE(cv)) |
| 463 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
| 464 | EXTEND(SP,1); |
| 465 | PUSHs((SV*)cv); |
| 466 | RETURN; |
| 467 | } |
| 468 | |
| 469 | PP(pp_srefgen) |
| 470 | { |
| 471 | djSP; |
| 472 | *SP = refto(*SP); |
| 473 | RETURN; |
| 474 | } |
| 475 | |
| 476 | PP(pp_refgen) |
| 477 | { |
| 478 | djSP; dMARK; |
| 479 | if (GIMME != G_ARRAY) { |
| 480 | if (++MARK <= SP) |
| 481 | *MARK = *SP; |
| 482 | else |
| 483 | *MARK = &PL_sv_undef; |
| 484 | *MARK = refto(*MARK); |
| 485 | SP = MARK; |
| 486 | RETURN; |
| 487 | } |
| 488 | EXTEND_MORTAL(SP - MARK); |
| 489 | while (++MARK <= SP) |
| 490 | *MARK = refto(*MARK); |
| 491 | RETURN; |
| 492 | } |
| 493 | |
| 494 | STATIC SV* |
| 495 | S_refto(pTHX_ SV *sv) |
| 496 | { |
| 497 | SV* rv; |
| 498 | |
| 499 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { |
| 500 | if (LvTARGLEN(sv)) |
| 501 | vivify_defelem(sv); |
| 502 | if (!(sv = LvTARG(sv))) |
| 503 | sv = &PL_sv_undef; |
| 504 | else |
| 505 | (void)SvREFCNT_inc(sv); |
| 506 | } |
| 507 | else if (SvTYPE(sv) == SVt_PVAV) { |
| 508 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) |
| 509 | av_reify((AV*)sv); |
| 510 | SvTEMP_off(sv); |
| 511 | (void)SvREFCNT_inc(sv); |
| 512 | } |
| 513 | else if (SvPADTMP(sv)) |
| 514 | sv = newSVsv(sv); |
| 515 | else { |
| 516 | SvTEMP_off(sv); |
| 517 | (void)SvREFCNT_inc(sv); |
| 518 | } |
| 519 | rv = sv_newmortal(); |
| 520 | sv_upgrade(rv, SVt_RV); |
| 521 | SvRV(rv) = sv; |
| 522 | SvROK_on(rv); |
| 523 | return rv; |
| 524 | } |
| 525 | |
| 526 | PP(pp_ref) |
| 527 | { |
| 528 | djSP; dTARGET; |
| 529 | SV *sv; |
| 530 | char *pv; |
| 531 | |
| 532 | sv = POPs; |
| 533 | |
| 534 | if (sv && SvGMAGICAL(sv)) |
| 535 | mg_get(sv); |
| 536 | |
| 537 | if (!sv || !SvROK(sv)) |
| 538 | RETPUSHNO; |
| 539 | |
| 540 | sv = SvRV(sv); |
| 541 | pv = sv_reftype(sv,TRUE); |
| 542 | PUSHp(pv, strlen(pv)); |
| 543 | RETURN; |
| 544 | } |
| 545 | |
| 546 | PP(pp_bless) |
| 547 | { |
| 548 | djSP; |
| 549 | HV *stash; |
| 550 | |
| 551 | if (MAXARG == 1) |
| 552 | stash = CopSTASH(PL_curcop); |
| 553 | else { |
| 554 | SV *ssv = POPs; |
| 555 | STRLEN len; |
| 556 | char *ptr = SvPV(ssv,len); |
| 557 | if (ckWARN(WARN_MISC) && len == 0) |
| 558 | Perl_warner(aTHX_ WARN_MISC, |
| 559 | "Explicit blessing to '' (assuming package main)"); |
| 560 | stash = gv_stashpvn(ptr, len, TRUE); |
| 561 | } |
| 562 | |
| 563 | (void)sv_bless(TOPs, stash); |
| 564 | RETURN; |
| 565 | } |
| 566 | |
| 567 | PP(pp_gelem) |
| 568 | { |
| 569 | GV *gv; |
| 570 | SV *sv; |
| 571 | SV *tmpRef; |
| 572 | char *elem; |
| 573 | djSP; |
| 574 | STRLEN n_a; |
| 575 | |
| 576 | sv = POPs; |
| 577 | elem = SvPV(sv, n_a); |
| 578 | gv = (GV*)POPs; |
| 579 | tmpRef = Nullsv; |
| 580 | sv = Nullsv; |
| 581 | switch (elem ? *elem : '\0') |
| 582 | { |
| 583 | case 'A': |
| 584 | if (strEQ(elem, "ARRAY")) |
| 585 | tmpRef = (SV*)GvAV(gv); |
| 586 | break; |
| 587 | case 'C': |
| 588 | if (strEQ(elem, "CODE")) |
| 589 | tmpRef = (SV*)GvCVu(gv); |
| 590 | break; |
| 591 | case 'F': |
| 592 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ |
| 593 | tmpRef = (SV*)GvIOp(gv); |
| 594 | break; |
| 595 | case 'G': |
| 596 | if (strEQ(elem, "GLOB")) |
| 597 | tmpRef = (SV*)gv; |
| 598 | break; |
| 599 | case 'H': |
| 600 | if (strEQ(elem, "HASH")) |
| 601 | tmpRef = (SV*)GvHV(gv); |
| 602 | break; |
| 603 | case 'I': |
| 604 | if (strEQ(elem, "IO")) |
| 605 | tmpRef = (SV*)GvIOp(gv); |
| 606 | break; |
| 607 | case 'N': |
| 608 | if (strEQ(elem, "NAME")) |
| 609 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
| 610 | break; |
| 611 | case 'P': |
| 612 | if (strEQ(elem, "PACKAGE")) |
| 613 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); |
| 614 | break; |
| 615 | case 'S': |
| 616 | if (strEQ(elem, "SCALAR")) |
| 617 | tmpRef = GvSV(gv); |
| 618 | break; |
| 619 | } |
| 620 | if (tmpRef) |
| 621 | sv = newRV(tmpRef); |
| 622 | if (sv) |
| 623 | sv_2mortal(sv); |
| 624 | else |
| 625 | sv = &PL_sv_undef; |
| 626 | XPUSHs(sv); |
| 627 | RETURN; |
| 628 | } |
| 629 | |
| 630 | /* Pattern matching */ |
| 631 | |
| 632 | PP(pp_study) |
| 633 | { |
| 634 | djSP; dPOPss; |
| 635 | register unsigned char *s; |
| 636 | register I32 pos; |
| 637 | register I32 ch; |
| 638 | register I32 *sfirst; |
| 639 | register I32 *snext; |
| 640 | STRLEN len; |
| 641 | |
| 642 | if (sv == PL_lastscream) { |
| 643 | if (SvSCREAM(sv)) |
| 644 | RETPUSHYES; |
| 645 | } |
| 646 | else { |
| 647 | if (PL_lastscream) { |
| 648 | SvSCREAM_off(PL_lastscream); |
| 649 | SvREFCNT_dec(PL_lastscream); |
| 650 | } |
| 651 | PL_lastscream = SvREFCNT_inc(sv); |
| 652 | } |
| 653 | |
| 654 | s = (unsigned char*)(SvPV(sv, len)); |
| 655 | pos = len; |
| 656 | if (pos <= 0) |
| 657 | RETPUSHNO; |
| 658 | if (pos > PL_maxscream) { |
| 659 | if (PL_maxscream < 0) { |
| 660 | PL_maxscream = pos + 80; |
| 661 | New(301, PL_screamfirst, 256, I32); |
| 662 | New(302, PL_screamnext, PL_maxscream, I32); |
| 663 | } |
| 664 | else { |
| 665 | PL_maxscream = pos + pos / 4; |
| 666 | Renew(PL_screamnext, PL_maxscream, I32); |
| 667 | } |
| 668 | } |
| 669 | |
| 670 | sfirst = PL_screamfirst; |
| 671 | snext = PL_screamnext; |
| 672 | |
| 673 | if (!sfirst || !snext) |
| 674 | DIE(aTHX_ "do_study: out of memory"); |
| 675 | |
| 676 | for (ch = 256; ch; --ch) |
| 677 | *sfirst++ = -1; |
| 678 | sfirst -= 256; |
| 679 | |
| 680 | while (--pos >= 0) { |
| 681 | ch = s[pos]; |
| 682 | if (sfirst[ch] >= 0) |
| 683 | snext[pos] = sfirst[ch] - pos; |
| 684 | else |
| 685 | snext[pos] = -pos; |
| 686 | sfirst[ch] = pos; |
| 687 | } |
| 688 | |
| 689 | SvSCREAM_on(sv); |
| 690 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
| 691 | RETPUSHYES; |
| 692 | } |
| 693 | |
| 694 | PP(pp_trans) |
| 695 | { |
| 696 | djSP; dTARG; |
| 697 | SV *sv; |
| 698 | |
| 699 | if (PL_op->op_flags & OPf_STACKED) |
| 700 | sv = POPs; |
| 701 | else { |
| 702 | sv = DEFSV; |
| 703 | EXTEND(SP,1); |
| 704 | } |
| 705 | TARG = sv_newmortal(); |
| 706 | PUSHi(do_trans(sv)); |
| 707 | RETURN; |
| 708 | } |
| 709 | |
| 710 | /* Lvalue operators. */ |
| 711 | |
| 712 | PP(pp_schop) |
| 713 | { |
| 714 | djSP; dTARGET; |
| 715 | do_chop(TARG, TOPs); |
| 716 | SETTARG; |
| 717 | RETURN; |
| 718 | } |
| 719 | |
| 720 | PP(pp_chop) |
| 721 | { |
| 722 | djSP; dMARK; dTARGET; |
| 723 | while (SP > MARK) |
| 724 | do_chop(TARG, POPs); |
| 725 | PUSHTARG; |
| 726 | RETURN; |
| 727 | } |
| 728 | |
| 729 | PP(pp_schomp) |
| 730 | { |
| 731 | djSP; dTARGET; |
| 732 | SETi(do_chomp(TOPs)); |
| 733 | RETURN; |
| 734 | } |
| 735 | |
| 736 | PP(pp_chomp) |
| 737 | { |
| 738 | djSP; dMARK; dTARGET; |
| 739 | register I32 count = 0; |
| 740 | |
| 741 | while (SP > MARK) |
| 742 | count += do_chomp(POPs); |
| 743 | PUSHi(count); |
| 744 | RETURN; |
| 745 | } |
| 746 | |
| 747 | PP(pp_defined) |
| 748 | { |
| 749 | djSP; |
| 750 | register SV* sv; |
| 751 | |
| 752 | sv = POPs; |
| 753 | if (!sv || !SvANY(sv)) |
| 754 | RETPUSHNO; |
| 755 | switch (SvTYPE(sv)) { |
| 756 | case SVt_PVAV: |
| 757 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
| 758 | RETPUSHYES; |
| 759 | break; |
| 760 | case SVt_PVHV: |
| 761 | if (HvARRAY(sv) || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
| 762 | RETPUSHYES; |
| 763 | break; |
| 764 | case SVt_PVCV: |
| 765 | if (CvROOT(sv) || CvXSUB(sv)) |
| 766 | RETPUSHYES; |
| 767 | break; |
| 768 | default: |
| 769 | if (SvGMAGICAL(sv)) |
| 770 | mg_get(sv); |
| 771 | if (SvOK(sv)) |
| 772 | RETPUSHYES; |
| 773 | } |
| 774 | RETPUSHNO; |
| 775 | } |
| 776 | |
| 777 | PP(pp_undef) |
| 778 | { |
| 779 | djSP; |
| 780 | SV *sv; |
| 781 | |
| 782 | if (!PL_op->op_private) { |
| 783 | EXTEND(SP, 1); |
| 784 | RETPUSHUNDEF; |
| 785 | } |
| 786 | |
| 787 | sv = POPs; |
| 788 | if (!sv) |
| 789 | RETPUSHUNDEF; |
| 790 | |
| 791 | if (SvTHINKFIRST(sv)) |
| 792 | sv_force_normal(sv); |
| 793 | |
| 794 | switch (SvTYPE(sv)) { |
| 795 | case SVt_NULL: |
| 796 | break; |
| 797 | case SVt_PVAV: |
| 798 | av_undef((AV*)sv); |
| 799 | break; |
| 800 | case SVt_PVHV: |
| 801 | hv_undef((HV*)sv); |
| 802 | break; |
| 803 | case SVt_PVCV: |
| 804 | if (ckWARN(WARN_MISC) && cv_const_sv((CV*)sv)) |
| 805 | Perl_warner(aTHX_ WARN_MISC, "Constant subroutine %s undefined", |
| 806 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
| 807 | /* FALL THROUGH */ |
| 808 | case SVt_PVFM: |
| 809 | { |
| 810 | /* let user-undef'd sub keep its identity */ |
| 811 | GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv)); |
| 812 | cv_undef((CV*)sv); |
| 813 | CvGV((CV*)sv) = gv; |
| 814 | } |
| 815 | break; |
| 816 | case SVt_PVGV: |
| 817 | if (SvFAKE(sv)) |
| 818 | SvSetMagicSV(sv, &PL_sv_undef); |
| 819 | else { |
| 820 | GP *gp; |
| 821 | gp_free((GV*)sv); |
| 822 | Newz(602, gp, 1, GP); |
| 823 | GvGP(sv) = gp_ref(gp); |
| 824 | GvSV(sv) = NEWSV(72,0); |
| 825 | GvLINE(sv) = CopLINE(PL_curcop); |
| 826 | GvEGV(sv) = (GV*)sv; |
| 827 | GvMULTI_on(sv); |
| 828 | } |
| 829 | break; |
| 830 | default: |
| 831 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
| 832 | (void)SvOOK_off(sv); |
| 833 | Safefree(SvPVX(sv)); |
| 834 | SvPV_set(sv, Nullch); |
| 835 | SvLEN_set(sv, 0); |
| 836 | } |
| 837 | (void)SvOK_off(sv); |
| 838 | SvSETMAGIC(sv); |
| 839 | } |
| 840 | |
| 841 | RETPUSHUNDEF; |
| 842 | } |
| 843 | |
| 844 | PP(pp_predec) |
| 845 | { |
| 846 | djSP; |
| 847 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
| 848 | DIE(aTHX_ PL_no_modify); |
| 849 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
| 850 | SvIVX(TOPs) != IV_MIN) |
| 851 | { |
| 852 | --SvIVX(TOPs); |
| 853 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 854 | } |
| 855 | else |
| 856 | sv_dec(TOPs); |
| 857 | SvSETMAGIC(TOPs); |
| 858 | return NORMAL; |
| 859 | } |
| 860 | |
| 861 | PP(pp_postinc) |
| 862 | { |
| 863 | djSP; dTARGET; |
| 864 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
| 865 | DIE(aTHX_ PL_no_modify); |
| 866 | sv_setsv(TARG, TOPs); |
| 867 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
| 868 | SvIVX(TOPs) != IV_MAX) |
| 869 | { |
| 870 | ++SvIVX(TOPs); |
| 871 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 872 | } |
| 873 | else |
| 874 | sv_inc(TOPs); |
| 875 | SvSETMAGIC(TOPs); |
| 876 | if (!SvOK(TARG)) |
| 877 | sv_setiv(TARG, 0); |
| 878 | SETs(TARG); |
| 879 | return NORMAL; |
| 880 | } |
| 881 | |
| 882 | PP(pp_postdec) |
| 883 | { |
| 884 | djSP; dTARGET; |
| 885 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
| 886 | DIE(aTHX_ PL_no_modify); |
| 887 | sv_setsv(TARG, TOPs); |
| 888 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
| 889 | SvIVX(TOPs) != IV_MIN) |
| 890 | { |
| 891 | --SvIVX(TOPs); |
| 892 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 893 | } |
| 894 | else |
| 895 | sv_dec(TOPs); |
| 896 | SvSETMAGIC(TOPs); |
| 897 | SETs(TARG); |
| 898 | return NORMAL; |
| 899 | } |
| 900 | |
| 901 | /* Ordinary operators. */ |
| 902 | |
| 903 | PP(pp_pow) |
| 904 | { |
| 905 | djSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
| 906 | { |
| 907 | dPOPTOPnnrl; |
| 908 | SETn( Perl_pow( left, right) ); |
| 909 | RETURN; |
| 910 | } |
| 911 | } |
| 912 | |
| 913 | PP(pp_multiply) |
| 914 | { |
| 915 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
| 916 | { |
| 917 | dPOPTOPnnrl; |
| 918 | SETn( left * right ); |
| 919 | RETURN; |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | PP(pp_divide) |
| 924 | { |
| 925 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
| 926 | { |
| 927 | dPOPPOPnnrl; |
| 928 | NV value; |
| 929 | if (right == 0.0) |
| 930 | DIE(aTHX_ "Illegal division by zero"); |
| 931 | #ifdef SLOPPYDIVIDE |
| 932 | /* insure that 20./5. == 4. */ |
| 933 | { |
| 934 | IV k; |
| 935 | if ((NV)I_V(left) == left && |
| 936 | (NV)I_V(right) == right && |
| 937 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { |
| 938 | value = k; |
| 939 | } |
| 940 | else { |
| 941 | value = left / right; |
| 942 | } |
| 943 | } |
| 944 | #else |
| 945 | value = left / right; |
| 946 | #endif |
| 947 | PUSHn( value ); |
| 948 | RETURN; |
| 949 | } |
| 950 | } |
| 951 | |
| 952 | PP(pp_modulo) |
| 953 | { |
| 954 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| 955 | { |
| 956 | UV left; |
| 957 | UV right; |
| 958 | bool left_neg; |
| 959 | bool right_neg; |
| 960 | bool use_double = 0; |
| 961 | NV dright; |
| 962 | NV dleft; |
| 963 | |
| 964 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
| 965 | IV i = SvIVX(POPs); |
| 966 | right = (right_neg = (i < 0)) ? -i : i; |
| 967 | } |
| 968 | else { |
| 969 | dright = POPn; |
| 970 | use_double = 1; |
| 971 | right_neg = dright < 0; |
| 972 | if (right_neg) |
| 973 | dright = -dright; |
| 974 | } |
| 975 | |
| 976 | if (!use_double && SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
| 977 | IV i = SvIVX(POPs); |
| 978 | left = (left_neg = (i < 0)) ? -i : i; |
| 979 | } |
| 980 | else { |
| 981 | dleft = POPn; |
| 982 | if (!use_double) { |
| 983 | use_double = 1; |
| 984 | dright = right; |
| 985 | } |
| 986 | left_neg = dleft < 0; |
| 987 | if (left_neg) |
| 988 | dleft = -dleft; |
| 989 | } |
| 990 | |
| 991 | if (use_double) { |
| 992 | NV dans; |
| 993 | |
| 994 | #if 1 |
| 995 | /* Somehow U_V is pessimized even if CASTFLAGS is 0 */ |
| 996 | # if CASTFLAGS & 2 |
| 997 | # define CAST_D2UV(d) U_V(d) |
| 998 | # else |
| 999 | # define CAST_D2UV(d) ((UV)(d)) |
| 1000 | # endif |
| 1001 | /* Tried to do this only in the case DOUBLESIZE <= UV_SIZE, |
| 1002 | * or, in other words, precision of UV more than of NV. |
| 1003 | * But in fact the approach below turned out to be an |
| 1004 | * optimization - floor() may be slow */ |
| 1005 | if (dright <= UV_MAX && dleft <= UV_MAX) { |
| 1006 | right = CAST_D2UV(dright); |
| 1007 | left = CAST_D2UV(dleft); |
| 1008 | goto do_uv; |
| 1009 | } |
| 1010 | #endif |
| 1011 | |
| 1012 | /* Backward-compatibility clause: */ |
| 1013 | dright = Perl_floor(dright + 0.5); |
| 1014 | dleft = Perl_floor(dleft + 0.5); |
| 1015 | |
| 1016 | if (!dright) |
| 1017 | DIE(aTHX_ "Illegal modulus zero"); |
| 1018 | |
| 1019 | dans = Perl_fmod(dleft, dright); |
| 1020 | if ((left_neg != right_neg) && dans) |
| 1021 | dans = dright - dans; |
| 1022 | if (right_neg) |
| 1023 | dans = -dans; |
| 1024 | sv_setnv(TARG, dans); |
| 1025 | } |
| 1026 | else { |
| 1027 | UV ans; |
| 1028 | |
| 1029 | do_uv: |
| 1030 | if (!right) |
| 1031 | DIE(aTHX_ "Illegal modulus zero"); |
| 1032 | |
| 1033 | ans = left % right; |
| 1034 | if ((left_neg != right_neg) && ans) |
| 1035 | ans = right - ans; |
| 1036 | if (right_neg) { |
| 1037 | /* XXX may warn: unary minus operator applied to unsigned type */ |
| 1038 | /* could change -foo to be (~foo)+1 instead */ |
| 1039 | if (ans <= ~((UV)IV_MAX)+1) |
| 1040 | sv_setiv(TARG, ~ans+1); |
| 1041 | else |
| 1042 | sv_setnv(TARG, -(NV)ans); |
| 1043 | } |
| 1044 | else |
| 1045 | sv_setuv(TARG, ans); |
| 1046 | } |
| 1047 | PUSHTARG; |
| 1048 | RETURN; |
| 1049 | } |
| 1050 | } |
| 1051 | |
| 1052 | PP(pp_repeat) |
| 1053 | { |
| 1054 | djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
| 1055 | { |
| 1056 | register I32 count = POPi; |
| 1057 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
| 1058 | dMARK; |
| 1059 | I32 items = SP - MARK; |
| 1060 | I32 max; |
| 1061 | |
| 1062 | max = items * count; |
| 1063 | MEXTEND(MARK, max); |
| 1064 | if (count > 1) { |
| 1065 | while (SP > MARK) { |
| 1066 | if (*SP) |
| 1067 | SvTEMP_off((*SP)); |
| 1068 | SP--; |
| 1069 | } |
| 1070 | MARK++; |
| 1071 | repeatcpy((char*)(MARK + items), (char*)MARK, |
| 1072 | items * sizeof(SV*), count - 1); |
| 1073 | SP += max; |
| 1074 | } |
| 1075 | else if (count <= 0) |
| 1076 | SP -= items; |
| 1077 | } |
| 1078 | else { /* Note: mark already snarfed by pp_list */ |
| 1079 | SV *tmpstr; |
| 1080 | STRLEN len; |
| 1081 | |
| 1082 | tmpstr = POPs; |
| 1083 | SvSetSV(TARG, tmpstr); |
| 1084 | SvPV_force(TARG, len); |
| 1085 | if (count != 1) { |
| 1086 | if (count < 1) |
| 1087 | SvCUR_set(TARG, 0); |
| 1088 | else { |
| 1089 | SvGROW(TARG, (count * len) + 1); |
| 1090 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
| 1091 | SvCUR(TARG) *= count; |
| 1092 | } |
| 1093 | *SvEND(TARG) = '\0'; |
| 1094 | } |
| 1095 | (void)SvPOK_only(TARG); |
| 1096 | PUSHTARG; |
| 1097 | } |
| 1098 | RETURN; |
| 1099 | } |
| 1100 | } |
| 1101 | |
| 1102 | PP(pp_subtract) |
| 1103 | { |
| 1104 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
| 1105 | { |
| 1106 | dPOPTOPnnrl_ul; |
| 1107 | SETn( left - right ); |
| 1108 | RETURN; |
| 1109 | } |
| 1110 | } |
| 1111 | |
| 1112 | PP(pp_left_shift) |
| 1113 | { |
| 1114 | djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
| 1115 | { |
| 1116 | IV shift = POPi; |
| 1117 | if (PL_op->op_private & HINT_INTEGER) { |
| 1118 | IV i = TOPi; |
| 1119 | SETi(i << shift); |
| 1120 | } |
| 1121 | else { |
| 1122 | UV u = TOPu; |
| 1123 | SETu(u << shift); |
| 1124 | } |
| 1125 | RETURN; |
| 1126 | } |
| 1127 | } |
| 1128 | |
| 1129 | PP(pp_right_shift) |
| 1130 | { |
| 1131 | djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
| 1132 | { |
| 1133 | IV shift = POPi; |
| 1134 | if (PL_op->op_private & HINT_INTEGER) { |
| 1135 | IV i = TOPi; |
| 1136 | SETi(i >> shift); |
| 1137 | } |
| 1138 | else { |
| 1139 | UV u = TOPu; |
| 1140 | SETu(u >> shift); |
| 1141 | } |
| 1142 | RETURN; |
| 1143 | } |
| 1144 | } |
| 1145 | |
| 1146 | PP(pp_lt) |
| 1147 | { |
| 1148 | djSP; tryAMAGICbinSET(lt,0); |
| 1149 | { |
| 1150 | dPOPnv; |
| 1151 | SETs(boolSV(TOPn < value)); |
| 1152 | RETURN; |
| 1153 | } |
| 1154 | } |
| 1155 | |
| 1156 | PP(pp_gt) |
| 1157 | { |
| 1158 | djSP; tryAMAGICbinSET(gt,0); |
| 1159 | { |
| 1160 | dPOPnv; |
| 1161 | SETs(boolSV(TOPn > value)); |
| 1162 | RETURN; |
| 1163 | } |
| 1164 | } |
| 1165 | |
| 1166 | PP(pp_le) |
| 1167 | { |
| 1168 | djSP; tryAMAGICbinSET(le,0); |
| 1169 | { |
| 1170 | dPOPnv; |
| 1171 | SETs(boolSV(TOPn <= value)); |
| 1172 | RETURN; |
| 1173 | } |
| 1174 | } |
| 1175 | |
| 1176 | PP(pp_ge) |
| 1177 | { |
| 1178 | djSP; tryAMAGICbinSET(ge,0); |
| 1179 | { |
| 1180 | dPOPnv; |
| 1181 | SETs(boolSV(TOPn >= value)); |
| 1182 | RETURN; |
| 1183 | } |
| 1184 | } |
| 1185 | |
| 1186 | PP(pp_ne) |
| 1187 | { |
| 1188 | djSP; tryAMAGICbinSET(ne,0); |
| 1189 | { |
| 1190 | dPOPnv; |
| 1191 | SETs(boolSV(TOPn != value)); |
| 1192 | RETURN; |
| 1193 | } |
| 1194 | } |
| 1195 | |
| 1196 | PP(pp_ncmp) |
| 1197 | { |
| 1198 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
| 1199 | { |
| 1200 | dPOPTOPnnrl; |
| 1201 | I32 value; |
| 1202 | |
| 1203 | #ifdef Perl_isnan |
| 1204 | if (Perl_isnan(left) || Perl_isnan(right)) { |
| 1205 | SETs(&PL_sv_undef); |
| 1206 | RETURN; |
| 1207 | } |
| 1208 | value = (left > right) - (left < right); |
| 1209 | #else |
| 1210 | if (left == right) |
| 1211 | value = 0; |
| 1212 | else if (left < right) |
| 1213 | value = -1; |
| 1214 | else if (left > right) |
| 1215 | value = 1; |
| 1216 | else { |
| 1217 | SETs(&PL_sv_undef); |
| 1218 | RETURN; |
| 1219 | } |
| 1220 | #endif |
| 1221 | SETi(value); |
| 1222 | RETURN; |
| 1223 | } |
| 1224 | } |
| 1225 | |
| 1226 | PP(pp_slt) |
| 1227 | { |
| 1228 | djSP; tryAMAGICbinSET(slt,0); |
| 1229 | { |
| 1230 | dPOPTOPssrl; |
| 1231 | int cmp = ((PL_op->op_private & OPpLOCALE) |
| 1232 | ? sv_cmp_locale(left, right) |
| 1233 | : sv_cmp(left, right)); |
| 1234 | SETs(boolSV(cmp < 0)); |
| 1235 | RETURN; |
| 1236 | } |
| 1237 | } |
| 1238 | |
| 1239 | PP(pp_sgt) |
| 1240 | { |
| 1241 | djSP; tryAMAGICbinSET(sgt,0); |
| 1242 | { |
| 1243 | dPOPTOPssrl; |
| 1244 | int cmp = ((PL_op->op_private & OPpLOCALE) |
| 1245 | ? sv_cmp_locale(left, right) |
| 1246 | : sv_cmp(left, right)); |
| 1247 | SETs(boolSV(cmp > 0)); |
| 1248 | RETURN; |
| 1249 | } |
| 1250 | } |
| 1251 | |
| 1252 | PP(pp_sle) |
| 1253 | { |
| 1254 | djSP; tryAMAGICbinSET(sle,0); |
| 1255 | { |
| 1256 | dPOPTOPssrl; |
| 1257 | int cmp = ((PL_op->op_private & OPpLOCALE) |
| 1258 | ? sv_cmp_locale(left, right) |
| 1259 | : sv_cmp(left, right)); |
| 1260 | SETs(boolSV(cmp <= 0)); |
| 1261 | RETURN; |
| 1262 | } |
| 1263 | } |
| 1264 | |
| 1265 | PP(pp_sge) |
| 1266 | { |
| 1267 | djSP; tryAMAGICbinSET(sge,0); |
| 1268 | { |
| 1269 | dPOPTOPssrl; |
| 1270 | int cmp = ((PL_op->op_private & OPpLOCALE) |
| 1271 | ? sv_cmp_locale(left, right) |
| 1272 | : sv_cmp(left, right)); |
| 1273 | SETs(boolSV(cmp >= 0)); |
| 1274 | RETURN; |
| 1275 | } |
| 1276 | } |
| 1277 | |
| 1278 | PP(pp_seq) |
| 1279 | { |
| 1280 | djSP; tryAMAGICbinSET(seq,0); |
| 1281 | { |
| 1282 | dPOPTOPssrl; |
| 1283 | SETs(boolSV(sv_eq(left, right))); |
| 1284 | RETURN; |
| 1285 | } |
| 1286 | } |
| 1287 | |
| 1288 | PP(pp_sne) |
| 1289 | { |
| 1290 | djSP; tryAMAGICbinSET(sne,0); |
| 1291 | { |
| 1292 | dPOPTOPssrl; |
| 1293 | SETs(boolSV(!sv_eq(left, right))); |
| 1294 | RETURN; |
| 1295 | } |
| 1296 | } |
| 1297 | |
| 1298 | PP(pp_scmp) |
| 1299 | { |
| 1300 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
| 1301 | { |
| 1302 | dPOPTOPssrl; |
| 1303 | int cmp = ((PL_op->op_private & OPpLOCALE) |
| 1304 | ? sv_cmp_locale(left, right) |
| 1305 | : sv_cmp(left, right)); |
| 1306 | SETi( cmp ); |
| 1307 | RETURN; |
| 1308 | } |
| 1309 | } |
| 1310 | |
| 1311 | PP(pp_bit_and) |
| 1312 | { |
| 1313 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
| 1314 | { |
| 1315 | dPOPTOPssrl; |
| 1316 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| 1317 | if (PL_op->op_private & HINT_INTEGER) { |
| 1318 | IV i = SvIV(left) & SvIV(right); |
| 1319 | SETi(i); |
| 1320 | } |
| 1321 | else { |
| 1322 | UV u = SvUV(left) & SvUV(right); |
| 1323 | SETu(u); |
| 1324 | } |
| 1325 | } |
| 1326 | else { |
| 1327 | do_vop(PL_op->op_type, TARG, left, right); |
| 1328 | SETTARG; |
| 1329 | } |
| 1330 | RETURN; |
| 1331 | } |
| 1332 | } |
| 1333 | |
| 1334 | PP(pp_bit_xor) |
| 1335 | { |
| 1336 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
| 1337 | { |
| 1338 | dPOPTOPssrl; |
| 1339 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| 1340 | if (PL_op->op_private & HINT_INTEGER) { |
| 1341 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
| 1342 | SETi(i); |
| 1343 | } |
| 1344 | else { |
| 1345 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
| 1346 | SETu(u); |
| 1347 | } |
| 1348 | } |
| 1349 | else { |
| 1350 | do_vop(PL_op->op_type, TARG, left, right); |
| 1351 | SETTARG; |
| 1352 | } |
| 1353 | RETURN; |
| 1354 | } |
| 1355 | } |
| 1356 | |
| 1357 | PP(pp_bit_or) |
| 1358 | { |
| 1359 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
| 1360 | { |
| 1361 | dPOPTOPssrl; |
| 1362 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| 1363 | if (PL_op->op_private & HINT_INTEGER) { |
| 1364 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
| 1365 | SETi(i); |
| 1366 | } |
| 1367 | else { |
| 1368 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
| 1369 | SETu(u); |
| 1370 | } |
| 1371 | } |
| 1372 | else { |
| 1373 | do_vop(PL_op->op_type, TARG, left, right); |
| 1374 | SETTARG; |
| 1375 | } |
| 1376 | RETURN; |
| 1377 | } |
| 1378 | } |
| 1379 | |
| 1380 | PP(pp_negate) |
| 1381 | { |
| 1382 | djSP; dTARGET; tryAMAGICun(neg); |
| 1383 | { |
| 1384 | dTOPss; |
| 1385 | if (SvGMAGICAL(sv)) |
| 1386 | mg_get(sv); |
| 1387 | if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv)) { |
| 1388 | if (SvIsUV(sv)) { |
| 1389 | if (SvIVX(sv) == IV_MIN) { |
| 1390 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
| 1391 | RETURN; |
| 1392 | } |
| 1393 | else if (SvUVX(sv) <= IV_MAX) { |
| 1394 | SETi(-SvIVX(sv)); |
| 1395 | RETURN; |
| 1396 | } |
| 1397 | } |
| 1398 | else if (SvIVX(sv) != IV_MIN) { |
| 1399 | SETi(-SvIVX(sv)); |
| 1400 | RETURN; |
| 1401 | } |
| 1402 | } |
| 1403 | if (SvNIOKp(sv)) |
| 1404 | SETn(-SvNV(sv)); |
| 1405 | else if (SvPOKp(sv)) { |
| 1406 | STRLEN len; |
| 1407 | char *s = SvPV(sv, len); |
| 1408 | if (isIDFIRST(*s)) { |
| 1409 | sv_setpvn(TARG, "-", 1); |
| 1410 | sv_catsv(TARG, sv); |
| 1411 | } |
| 1412 | else if (*s == '+' || *s == '-') { |
| 1413 | sv_setsv(TARG, sv); |
| 1414 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; |
| 1415 | } |
| 1416 | else if (DO_UTF8(sv) && *(U8*)s >= 0xc0 && isIDFIRST_utf8((U8*)s)) { |
| 1417 | sv_setpvn(TARG, "-", 1); |
| 1418 | sv_catsv(TARG, sv); |
| 1419 | } |
| 1420 | else |
| 1421 | sv_setnv(TARG, -SvNV(sv)); |
| 1422 | SETTARG; |
| 1423 | } |
| 1424 | else |
| 1425 | SETn(-SvNV(sv)); |
| 1426 | } |
| 1427 | RETURN; |
| 1428 | } |
| 1429 | |
| 1430 | PP(pp_not) |
| 1431 | { |
| 1432 | djSP; tryAMAGICunSET(not); |
| 1433 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
| 1434 | return NORMAL; |
| 1435 | } |
| 1436 | |
| 1437 | PP(pp_complement) |
| 1438 | { |
| 1439 | djSP; dTARGET; tryAMAGICun(compl); |
| 1440 | { |
| 1441 | dTOPss; |
| 1442 | if (SvNIOKp(sv)) { |
| 1443 | if (PL_op->op_private & HINT_INTEGER) { |
| 1444 | IV i = ~SvIV(sv); |
| 1445 | SETi(i); |
| 1446 | } |
| 1447 | else { |
| 1448 | UV u = ~SvUV(sv); |
| 1449 | SETu(u); |
| 1450 | } |
| 1451 | } |
| 1452 | else { |
| 1453 | register char *tmps; |
| 1454 | register long *tmpl; |
| 1455 | register I32 anum; |
| 1456 | STRLEN len; |
| 1457 | |
| 1458 | SvSetSV(TARG, sv); |
| 1459 | tmps = SvPV_force(TARG, len); |
| 1460 | anum = len; |
| 1461 | #ifdef LIBERAL |
| 1462 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) |
| 1463 | *tmps = ~*tmps; |
| 1464 | tmpl = (long*)tmps; |
| 1465 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) |
| 1466 | *tmpl = ~*tmpl; |
| 1467 | tmps = (char*)tmpl; |
| 1468 | #endif |
| 1469 | for ( ; anum > 0; anum--, tmps++) |
| 1470 | *tmps = ~*tmps; |
| 1471 | |
| 1472 | SETs(TARG); |
| 1473 | } |
| 1474 | RETURN; |
| 1475 | } |
| 1476 | } |
| 1477 | |
| 1478 | /* integer versions of some of the above */ |
| 1479 | |
| 1480 | PP(pp_i_multiply) |
| 1481 | { |
| 1482 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
| 1483 | { |
| 1484 | dPOPTOPiirl; |
| 1485 | SETi( left * right ); |
| 1486 | RETURN; |
| 1487 | } |
| 1488 | } |
| 1489 | |
| 1490 | PP(pp_i_divide) |
| 1491 | { |
| 1492 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
| 1493 | { |
| 1494 | dPOPiv; |
| 1495 | if (value == 0) |
| 1496 | DIE(aTHX_ "Illegal division by zero"); |
| 1497 | value = POPi / value; |
| 1498 | PUSHi( value ); |
| 1499 | RETURN; |
| 1500 | } |
| 1501 | } |
| 1502 | |
| 1503 | PP(pp_i_modulo) |
| 1504 | { |
| 1505 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| 1506 | { |
| 1507 | dPOPTOPiirl; |
| 1508 | if (!right) |
| 1509 | DIE(aTHX_ "Illegal modulus zero"); |
| 1510 | SETi( left % right ); |
| 1511 | RETURN; |
| 1512 | } |
| 1513 | } |
| 1514 | |
| 1515 | PP(pp_i_add) |
| 1516 | { |
| 1517 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
| 1518 | { |
| 1519 | dPOPTOPiirl; |
| 1520 | SETi( left + right ); |
| 1521 | RETURN; |
| 1522 | } |
| 1523 | } |
| 1524 | |
| 1525 | PP(pp_i_subtract) |
| 1526 | { |
| 1527 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
| 1528 | { |
| 1529 | dPOPTOPiirl; |
| 1530 | SETi( left - right ); |
| 1531 | RETURN; |
| 1532 | } |
| 1533 | } |
| 1534 | |
| 1535 | PP(pp_i_lt) |
| 1536 | { |
| 1537 | djSP; tryAMAGICbinSET(lt,0); |
| 1538 | { |
| 1539 | dPOPTOPiirl; |
| 1540 | SETs(boolSV(left < right)); |
| 1541 | RETURN; |
| 1542 | } |
| 1543 | } |
| 1544 | |
| 1545 | PP(pp_i_gt) |
| 1546 | { |
| 1547 | djSP; tryAMAGICbinSET(gt,0); |
| 1548 | { |
| 1549 | dPOPTOPiirl; |
| 1550 | SETs(boolSV(left > right)); |
| 1551 | RETURN; |
| 1552 | } |
| 1553 | } |
| 1554 | |
| 1555 | PP(pp_i_le) |
| 1556 | { |
| 1557 | djSP; tryAMAGICbinSET(le,0); |
| 1558 | { |
| 1559 | dPOPTOPiirl; |
| 1560 | SETs(boolSV(left <= right)); |
| 1561 | RETURN; |
| 1562 | } |
| 1563 | } |
| 1564 | |
| 1565 | PP(pp_i_ge) |
| 1566 | { |
| 1567 | djSP; tryAMAGICbinSET(ge,0); |
| 1568 | { |
| 1569 | dPOPTOPiirl; |
| 1570 | SETs(boolSV(left >= right)); |
| 1571 | RETURN; |
| 1572 | } |
| 1573 | } |
| 1574 | |
| 1575 | PP(pp_i_eq) |
| 1576 | { |
| 1577 | djSP; tryAMAGICbinSET(eq,0); |
| 1578 | { |
| 1579 | dPOPTOPiirl; |
| 1580 | SETs(boolSV(left == right)); |
| 1581 | RETURN; |
| 1582 | } |
| 1583 | } |
| 1584 | |
| 1585 | PP(pp_i_ne) |
| 1586 | { |
| 1587 | djSP; tryAMAGICbinSET(ne,0); |
| 1588 | { |
| 1589 | dPOPTOPiirl; |
| 1590 | SETs(boolSV(left != right)); |
| 1591 | RETURN; |
| 1592 | } |
| 1593 | } |
| 1594 | |
| 1595 | PP(pp_i_ncmp) |
| 1596 | { |
| 1597 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
| 1598 | { |
| 1599 | dPOPTOPiirl; |
| 1600 | I32 value; |
| 1601 | |
| 1602 | if (left > right) |
| 1603 | value = 1; |
| 1604 | else if (left < right) |
| 1605 | value = -1; |
| 1606 | else |
| 1607 | value = 0; |
| 1608 | SETi(value); |
| 1609 | RETURN; |
| 1610 | } |
| 1611 | } |
| 1612 | |
| 1613 | PP(pp_i_negate) |
| 1614 | { |
| 1615 | djSP; dTARGET; tryAMAGICun(neg); |
| 1616 | SETi(-TOPi); |
| 1617 | RETURN; |
| 1618 | } |
| 1619 | |
| 1620 | /* High falutin' math. */ |
| 1621 | |
| 1622 | PP(pp_atan2) |
| 1623 | { |
| 1624 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
| 1625 | { |
| 1626 | dPOPTOPnnrl; |
| 1627 | SETn(Perl_atan2(left, right)); |
| 1628 | RETURN; |
| 1629 | } |
| 1630 | } |
| 1631 | |
| 1632 | PP(pp_sin) |
| 1633 | { |
| 1634 | djSP; dTARGET; tryAMAGICun(sin); |
| 1635 | { |
| 1636 | NV value; |
| 1637 | value = POPn; |
| 1638 | value = Perl_sin(value); |
| 1639 | XPUSHn(value); |
| 1640 | RETURN; |
| 1641 | } |
| 1642 | } |
| 1643 | |
| 1644 | PP(pp_cos) |
| 1645 | { |
| 1646 | djSP; dTARGET; tryAMAGICun(cos); |
| 1647 | { |
| 1648 | NV value; |
| 1649 | value = POPn; |
| 1650 | value = Perl_cos(value); |
| 1651 | XPUSHn(value); |
| 1652 | RETURN; |
| 1653 | } |
| 1654 | } |
| 1655 | |
| 1656 | /* Support Configure command-line overrides for rand() functions. |
| 1657 | After 5.005, perhaps we should replace this by Configure support |
| 1658 | for drand48(), random(), or rand(). For 5.005, though, maintain |
| 1659 | compatibility by calling rand() but allow the user to override it. |
| 1660 | See INSTALL for details. --Andy Dougherty 15 July 1998 |
| 1661 | */ |
| 1662 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
| 1663 | in addition to rand(). So the overrides should not be needed any more. |
| 1664 | --Jarkko Hietaniemi 27 September 1998 |
| 1665 | */ |
| 1666 | |
| 1667 | #ifndef HAS_DRAND48_PROTO |
| 1668 | extern double drand48 (void); |
| 1669 | #endif |
| 1670 | |
| 1671 | PP(pp_rand) |
| 1672 | { |
| 1673 | djSP; dTARGET; |
| 1674 | NV value; |
| 1675 | if (MAXARG < 1) |
| 1676 | value = 1.0; |
| 1677 | else |
| 1678 | value = POPn; |
| 1679 | if (value == 0.0) |
| 1680 | value = 1.0; |
| 1681 | if (!PL_srand_called) { |
| 1682 | (void)seedDrand01((Rand_seed_t)seed()); |
| 1683 | PL_srand_called = TRUE; |
| 1684 | } |
| 1685 | value *= Drand01(); |
| 1686 | XPUSHn(value); |
| 1687 | RETURN; |
| 1688 | } |
| 1689 | |
| 1690 | PP(pp_srand) |
| 1691 | { |
| 1692 | djSP; |
| 1693 | UV anum; |
| 1694 | if (MAXARG < 1) |
| 1695 | anum = seed(); |
| 1696 | else |
| 1697 | anum = POPu; |
| 1698 | (void)seedDrand01((Rand_seed_t)anum); |
| 1699 | PL_srand_called = TRUE; |
| 1700 | EXTEND(SP, 1); |
| 1701 | RETPUSHYES; |
| 1702 | } |
| 1703 | |
| 1704 | STATIC U32 |
| 1705 | S_seed(pTHX) |
| 1706 | { |
| 1707 | /* |
| 1708 | * This is really just a quick hack which grabs various garbage |
| 1709 | * values. It really should be a real hash algorithm which |
| 1710 | * spreads the effect of every input bit onto every output bit, |
| 1711 | * if someone who knows about such things would bother to write it. |
| 1712 | * Might be a good idea to add that function to CORE as well. |
| 1713 | * No numbers below come from careful analysis or anything here, |
| 1714 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
| 1715 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should |
| 1716 | * probably be bigger too. |
| 1717 | */ |
| 1718 | #if RANDBITS > 16 |
| 1719 | # define SEED_C1 1000003 |
| 1720 | #define SEED_C4 73819 |
| 1721 | #else |
| 1722 | # define SEED_C1 25747 |
| 1723 | #define SEED_C4 20639 |
| 1724 | #endif |
| 1725 | #define SEED_C2 3 |
| 1726 | #define SEED_C3 269 |
| 1727 | #define SEED_C5 26107 |
| 1728 | |
| 1729 | dTHR; |
| 1730 | #ifndef PERL_NO_DEV_RANDOM |
| 1731 | int fd; |
| 1732 | #endif |
| 1733 | U32 u; |
| 1734 | #ifdef VMS |
| 1735 | # include <starlet.h> |
| 1736 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
| 1737 | * in 100-ns units, typically incremented ever 10 ms. */ |
| 1738 | unsigned int when[2]; |
| 1739 | #else |
| 1740 | # ifdef HAS_GETTIMEOFDAY |
| 1741 | struct timeval when; |
| 1742 | # else |
| 1743 | Time_t when; |
| 1744 | # endif |
| 1745 | #endif |
| 1746 | |
| 1747 | /* This test is an escape hatch, this symbol isn't set by Configure. */ |
| 1748 | #ifndef PERL_NO_DEV_RANDOM |
| 1749 | #ifndef PERL_RANDOM_DEVICE |
| 1750 | /* /dev/random isn't used by default because reads from it will block |
| 1751 | * if there isn't enough entropy available. You can compile with |
| 1752 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there |
| 1753 | * is enough real entropy to fill the seed. */ |
| 1754 | # define PERL_RANDOM_DEVICE "/dev/urandom" |
| 1755 | #endif |
| 1756 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); |
| 1757 | if (fd != -1) { |
| 1758 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) |
| 1759 | u = 0; |
| 1760 | PerlLIO_close(fd); |
| 1761 | if (u) |
| 1762 | return u; |
| 1763 | } |
| 1764 | #endif |
| 1765 | |
| 1766 | #ifdef VMS |
| 1767 | _ckvmssts(sys$gettim(when)); |
| 1768 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
| 1769 | #else |
| 1770 | # ifdef HAS_GETTIMEOFDAY |
| 1771 | gettimeofday(&when,(struct timezone *) 0); |
| 1772 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
| 1773 | # else |
| 1774 | (void)time(&when); |
| 1775 | u = (U32)SEED_C1 * when; |
| 1776 | # endif |
| 1777 | #endif |
| 1778 | u += SEED_C3 * (U32)PerlProc_getpid(); |
| 1779 | u += SEED_C4 * (U32)PTR2UV(PL_stack_sp); |
| 1780 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
| 1781 | u += SEED_C5 * (U32)PTR2UV(&when); |
| 1782 | #endif |
| 1783 | return u; |
| 1784 | } |
| 1785 | |
| 1786 | PP(pp_exp) |
| 1787 | { |
| 1788 | djSP; dTARGET; tryAMAGICun(exp); |
| 1789 | { |
| 1790 | NV value; |
| 1791 | value = POPn; |
| 1792 | value = Perl_exp(value); |
| 1793 | XPUSHn(value); |
| 1794 | RETURN; |
| 1795 | } |
| 1796 | } |
| 1797 | |
| 1798 | PP(pp_log) |
| 1799 | { |
| 1800 | djSP; dTARGET; tryAMAGICun(log); |
| 1801 | { |
| 1802 | NV value; |
| 1803 | value = POPn; |
| 1804 | if (value <= 0.0) { |
| 1805 | RESTORE_NUMERIC_STANDARD(); |
| 1806 | DIE(aTHX_ "Can't take log of %g", value); |
| 1807 | } |
| 1808 | value = Perl_log(value); |
| 1809 | XPUSHn(value); |
| 1810 | RETURN; |
| 1811 | } |
| 1812 | } |
| 1813 | |
| 1814 | PP(pp_sqrt) |
| 1815 | { |
| 1816 | djSP; dTARGET; tryAMAGICun(sqrt); |
| 1817 | { |
| 1818 | NV value; |
| 1819 | value = POPn; |
| 1820 | if (value < 0.0) { |
| 1821 | RESTORE_NUMERIC_STANDARD(); |
| 1822 | DIE(aTHX_ "Can't take sqrt of %g", value); |
| 1823 | } |
| 1824 | value = Perl_sqrt(value); |
| 1825 | XPUSHn(value); |
| 1826 | RETURN; |
| 1827 | } |
| 1828 | } |
| 1829 | |
| 1830 | PP(pp_int) |
| 1831 | { |
| 1832 | djSP; dTARGET; |
| 1833 | { |
| 1834 | NV value = TOPn; |
| 1835 | IV iv; |
| 1836 | |
| 1837 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) { |
| 1838 | iv = SvIVX(TOPs); |
| 1839 | SETi(iv); |
| 1840 | } |
| 1841 | else { |
| 1842 | if (value >= 0.0) |
| 1843 | (void)Perl_modf(value, &value); |
| 1844 | else { |
| 1845 | (void)Perl_modf(-value, &value); |
| 1846 | value = -value; |
| 1847 | } |
| 1848 | iv = I_V(value); |
| 1849 | if (iv == value) |
| 1850 | SETi(iv); |
| 1851 | else |
| 1852 | SETn(value); |
| 1853 | } |
| 1854 | } |
| 1855 | RETURN; |
| 1856 | } |
| 1857 | |
| 1858 | PP(pp_abs) |
| 1859 | { |
| 1860 | djSP; dTARGET; tryAMAGICun(abs); |
| 1861 | { |
| 1862 | NV value = TOPn; |
| 1863 | IV iv; |
| 1864 | |
| 1865 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) && |
| 1866 | (iv = SvIVX(TOPs)) != IV_MIN) { |
| 1867 | if (iv < 0) |
| 1868 | iv = -iv; |
| 1869 | SETi(iv); |
| 1870 | } |
| 1871 | else { |
| 1872 | if (value < 0.0) |
| 1873 | value = -value; |
| 1874 | SETn(value); |
| 1875 | } |
| 1876 | } |
| 1877 | RETURN; |
| 1878 | } |
| 1879 | |
| 1880 | PP(pp_hex) |
| 1881 | { |
| 1882 | djSP; dTARGET; |
| 1883 | char *tmps; |
| 1884 | I32 argtype; |
| 1885 | STRLEN n_a; |
| 1886 | |
| 1887 | tmps = POPpx; |
| 1888 | argtype = 1; /* allow underscores */ |
| 1889 | XPUSHn(scan_hex(tmps, 99, &argtype)); |
| 1890 | RETURN; |
| 1891 | } |
| 1892 | |
| 1893 | PP(pp_oct) |
| 1894 | { |
| 1895 | djSP; dTARGET; |
| 1896 | NV value; |
| 1897 | I32 argtype; |
| 1898 | char *tmps; |
| 1899 | STRLEN n_a; |
| 1900 | |
| 1901 | tmps = POPpx; |
| 1902 | while (*tmps && isSPACE(*tmps)) |
| 1903 | tmps++; |
| 1904 | if (*tmps == '0') |
| 1905 | tmps++; |
| 1906 | argtype = 1; /* allow underscores */ |
| 1907 | if (*tmps == 'x') |
| 1908 | value = scan_hex(++tmps, 99, &argtype); |
| 1909 | else if (*tmps == 'b') |
| 1910 | value = scan_bin(++tmps, 99, &argtype); |
| 1911 | else |
| 1912 | value = scan_oct(tmps, 99, &argtype); |
| 1913 | XPUSHn(value); |
| 1914 | RETURN; |
| 1915 | } |
| 1916 | |
| 1917 | /* String stuff. */ |
| 1918 | |
| 1919 | PP(pp_length) |
| 1920 | { |
| 1921 | djSP; dTARGET; |
| 1922 | SV *sv = TOPs; |
| 1923 | |
| 1924 | if (DO_UTF8(sv)) |
| 1925 | SETi(sv_len_utf8(sv)); |
| 1926 | else |
| 1927 | SETi(sv_len(sv)); |
| 1928 | RETURN; |
| 1929 | } |
| 1930 | |
| 1931 | PP(pp_substr) |
| 1932 | { |
| 1933 | djSP; dTARGET; |
| 1934 | SV *sv; |
| 1935 | I32 len; |
| 1936 | STRLEN curlen; |
| 1937 | STRLEN utfcurlen; |
| 1938 | I32 pos; |
| 1939 | I32 rem; |
| 1940 | I32 fail; |
| 1941 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
| 1942 | char *tmps; |
| 1943 | I32 arybase = PL_curcop->cop_arybase; |
| 1944 | char *repl = 0; |
| 1945 | STRLEN repl_len; |
| 1946 | |
| 1947 | SvTAINTED_off(TARG); /* decontaminate */ |
| 1948 | SvUTF8_off(TARG); /* decontaminate */ |
| 1949 | if (MAXARG > 2) { |
| 1950 | if (MAXARG > 3) { |
| 1951 | sv = POPs; |
| 1952 | repl = SvPV(sv, repl_len); |
| 1953 | } |
| 1954 | len = POPi; |
| 1955 | } |
| 1956 | pos = POPi; |
| 1957 | sv = POPs; |
| 1958 | PUTBACK; |
| 1959 | tmps = SvPV(sv, curlen); |
| 1960 | if (DO_UTF8(sv)) { |
| 1961 | utfcurlen = sv_len_utf8(sv); |
| 1962 | if (utfcurlen == curlen) |
| 1963 | utfcurlen = 0; |
| 1964 | else |
| 1965 | curlen = utfcurlen; |
| 1966 | } |
| 1967 | else |
| 1968 | utfcurlen = 0; |
| 1969 | |
| 1970 | if (pos >= arybase) { |
| 1971 | pos -= arybase; |
| 1972 | rem = curlen-pos; |
| 1973 | fail = rem; |
| 1974 | if (MAXARG > 2) { |
| 1975 | if (len < 0) { |
| 1976 | rem += len; |
| 1977 | if (rem < 0) |
| 1978 | rem = 0; |
| 1979 | } |
| 1980 | else if (rem > len) |
| 1981 | rem = len; |
| 1982 | } |
| 1983 | } |
| 1984 | else { |
| 1985 | pos += curlen; |
| 1986 | if (MAXARG < 3) |
| 1987 | rem = curlen; |
| 1988 | else if (len >= 0) { |
| 1989 | rem = pos+len; |
| 1990 | if (rem > (I32)curlen) |
| 1991 | rem = curlen; |
| 1992 | } |
| 1993 | else { |
| 1994 | rem = curlen+len; |
| 1995 | if (rem < pos) |
| 1996 | rem = pos; |
| 1997 | } |
| 1998 | if (pos < 0) |
| 1999 | pos = 0; |
| 2000 | fail = rem; |
| 2001 | rem -= pos; |
| 2002 | } |
| 2003 | if (fail < 0) { |
| 2004 | if (lvalue || repl) |
| 2005 | Perl_croak(aTHX_ "substr outside of string"); |
| 2006 | if (ckWARN(WARN_SUBSTR)) |
| 2007 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
| 2008 | RETPUSHUNDEF; |
| 2009 | } |
| 2010 | else { |
| 2011 | if (utfcurlen) { |
| 2012 | sv_pos_u2b(sv, &pos, &rem); |
| 2013 | SvUTF8_on(TARG); |
| 2014 | } |
| 2015 | tmps += pos; |
| 2016 | sv_setpvn(TARG, tmps, rem); |
| 2017 | if (repl) |
| 2018 | sv_insert(sv, pos, rem, repl, repl_len); |
| 2019 | else if (lvalue) { /* it's an lvalue! */ |
| 2020 | if (!SvGMAGICAL(sv)) { |
| 2021 | if (SvROK(sv)) { |
| 2022 | STRLEN n_a; |
| 2023 | SvPV_force(sv,n_a); |
| 2024 | if (ckWARN(WARN_SUBSTR)) |
| 2025 | Perl_warner(aTHX_ WARN_SUBSTR, |
| 2026 | "Attempt to use reference as lvalue in substr"); |
| 2027 | } |
| 2028 | if (SvOK(sv)) /* is it defined ? */ |
| 2029 | (void)SvPOK_only(sv); |
| 2030 | else |
| 2031 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ |
| 2032 | } |
| 2033 | |
| 2034 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 2035 | sv_upgrade(TARG, SVt_PVLV); |
| 2036 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); |
| 2037 | } |
| 2038 | |
| 2039 | LvTYPE(TARG) = 'x'; |
| 2040 | if (LvTARG(TARG) != sv) { |
| 2041 | if (LvTARG(TARG)) |
| 2042 | SvREFCNT_dec(LvTARG(TARG)); |
| 2043 | LvTARG(TARG) = SvREFCNT_inc(sv); |
| 2044 | } |
| 2045 | LvTARGOFF(TARG) = pos; |
| 2046 | LvTARGLEN(TARG) = rem; |
| 2047 | } |
| 2048 | } |
| 2049 | SPAGAIN; |
| 2050 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
| 2051 | RETURN; |
| 2052 | } |
| 2053 | |
| 2054 | PP(pp_vec) |
| 2055 | { |
| 2056 | djSP; dTARGET; |
| 2057 | register I32 size = POPi; |
| 2058 | register I32 offset = POPi; |
| 2059 | register SV *src = POPs; |
| 2060 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
| 2061 | |
| 2062 | SvTAINTED_off(TARG); /* decontaminate */ |
| 2063 | if (lvalue) { /* it's an lvalue! */ |
| 2064 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 2065 | sv_upgrade(TARG, SVt_PVLV); |
| 2066 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); |
| 2067 | } |
| 2068 | LvTYPE(TARG) = 'v'; |
| 2069 | if (LvTARG(TARG) != src) { |
| 2070 | if (LvTARG(TARG)) |
| 2071 | SvREFCNT_dec(LvTARG(TARG)); |
| 2072 | LvTARG(TARG) = SvREFCNT_inc(src); |
| 2073 | } |
| 2074 | LvTARGOFF(TARG) = offset; |
| 2075 | LvTARGLEN(TARG) = size; |
| 2076 | } |
| 2077 | |
| 2078 | sv_setuv(TARG, do_vecget(src, offset, size)); |
| 2079 | PUSHs(TARG); |
| 2080 | RETURN; |
| 2081 | } |
| 2082 | |
| 2083 | PP(pp_index) |
| 2084 | { |
| 2085 | djSP; dTARGET; |
| 2086 | SV *big; |
| 2087 | SV *little; |
| 2088 | I32 offset; |
| 2089 | I32 retval; |
| 2090 | char *tmps; |
| 2091 | char *tmps2; |
| 2092 | STRLEN biglen; |
| 2093 | I32 arybase = PL_curcop->cop_arybase; |
| 2094 | |
| 2095 | if (MAXARG < 3) |
| 2096 | offset = 0; |
| 2097 | else |
| 2098 | offset = POPi - arybase; |
| 2099 | little = POPs; |
| 2100 | big = POPs; |
| 2101 | tmps = SvPV(big, biglen); |
| 2102 | if (offset > 0 && DO_UTF8(big)) |
| 2103 | sv_pos_u2b(big, &offset, 0); |
| 2104 | if (offset < 0) |
| 2105 | offset = 0; |
| 2106 | else if (offset > biglen) |
| 2107 | offset = biglen; |
| 2108 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
| 2109 | (unsigned char*)tmps + biglen, little, 0))) |
| 2110 | retval = -1; |
| 2111 | else |
| 2112 | retval = tmps2 - tmps; |
| 2113 | if (retval > 0 && DO_UTF8(big)) |
| 2114 | sv_pos_b2u(big, &retval); |
| 2115 | PUSHi(retval + arybase); |
| 2116 | RETURN; |
| 2117 | } |
| 2118 | |
| 2119 | PP(pp_rindex) |
| 2120 | { |
| 2121 | djSP; dTARGET; |
| 2122 | SV *big; |
| 2123 | SV *little; |
| 2124 | STRLEN blen; |
| 2125 | STRLEN llen; |
| 2126 | I32 offset; |
| 2127 | I32 retval; |
| 2128 | char *tmps; |
| 2129 | char *tmps2; |
| 2130 | I32 arybase = PL_curcop->cop_arybase; |
| 2131 | |
| 2132 | if (MAXARG >= 3) |
| 2133 | offset = POPi; |
| 2134 | little = POPs; |
| 2135 | big = POPs; |
| 2136 | tmps2 = SvPV(little, llen); |
| 2137 | tmps = SvPV(big, blen); |
| 2138 | if (MAXARG < 3) |
| 2139 | offset = blen; |
| 2140 | else { |
| 2141 | if (offset > 0 && DO_UTF8(big)) |
| 2142 | sv_pos_u2b(big, &offset, 0); |
| 2143 | offset = offset - arybase + llen; |
| 2144 | } |
| 2145 | if (offset < 0) |
| 2146 | offset = 0; |
| 2147 | else if (offset > blen) |
| 2148 | offset = blen; |
| 2149 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
| 2150 | tmps2, tmps2 + llen))) |
| 2151 | retval = -1; |
| 2152 | else |
| 2153 | retval = tmps2 - tmps; |
| 2154 | if (retval > 0 && DO_UTF8(big)) |
| 2155 | sv_pos_b2u(big, &retval); |
| 2156 | PUSHi(retval + arybase); |
| 2157 | RETURN; |
| 2158 | } |
| 2159 | |
| 2160 | PP(pp_sprintf) |
| 2161 | { |
| 2162 | djSP; dMARK; dORIGMARK; dTARGET; |
| 2163 | do_sprintf(TARG, SP-MARK, MARK+1); |
| 2164 | TAINT_IF(SvTAINTED(TARG)); |
| 2165 | SP = ORIGMARK; |
| 2166 | PUSHTARG; |
| 2167 | RETURN; |
| 2168 | } |
| 2169 | |
| 2170 | PP(pp_ord) |
| 2171 | { |
| 2172 | djSP; dTARGET; |
| 2173 | UV value; |
| 2174 | STRLEN n_a; |
| 2175 | SV *tmpsv = POPs; |
| 2176 | U8 *tmps = (U8*)SvPVx(tmpsv,n_a); |
| 2177 | I32 retlen; |
| 2178 | |
| 2179 | if ((*tmps & 0x80) && DO_UTF8(tmpsv)) |
| 2180 | value = utf8_to_uv(tmps, &retlen); |
| 2181 | else |
| 2182 | value = (UV)(*tmps & 255); |
| 2183 | XPUSHu(value); |
| 2184 | RETURN; |
| 2185 | } |
| 2186 | |
| 2187 | PP(pp_chr) |
| 2188 | { |
| 2189 | djSP; dTARGET; |
| 2190 | char *tmps; |
| 2191 | U32 value = POPu; |
| 2192 | |
| 2193 | (void)SvUPGRADE(TARG,SVt_PV); |
| 2194 | |
| 2195 | if (value > 255 && !IN_BYTE) { |
| 2196 | SvGROW(TARG, UTF8_MAXLEN+1); |
| 2197 | tmps = SvPVX(TARG); |
| 2198 | tmps = (char*)uv_to_utf8((U8*)tmps, (UV)value); |
| 2199 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
| 2200 | *tmps = '\0'; |
| 2201 | (void)SvPOK_only(TARG); |
| 2202 | SvUTF8_on(TARG); |
| 2203 | XPUSHs(TARG); |
| 2204 | RETURN; |
| 2205 | } |
| 2206 | |
| 2207 | SvGROW(TARG,2); |
| 2208 | SvCUR_set(TARG, 1); |
| 2209 | tmps = SvPVX(TARG); |
| 2210 | *tmps++ = value; |
| 2211 | *tmps = '\0'; |
| 2212 | SvUTF8_off(TARG); /* decontaminate */ |
| 2213 | (void)SvPOK_only(TARG); |
| 2214 | XPUSHs(TARG); |
| 2215 | RETURN; |
| 2216 | } |
| 2217 | |
| 2218 | PP(pp_crypt) |
| 2219 | { |
| 2220 | djSP; dTARGET; dPOPTOPssrl; |
| 2221 | STRLEN n_a; |
| 2222 | #ifdef HAS_CRYPT |
| 2223 | char *tmps = SvPV(left, n_a); |
| 2224 | #ifdef FCRYPT |
| 2225 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
| 2226 | #else |
| 2227 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
| 2228 | #endif |
| 2229 | #else |
| 2230 | DIE(aTHX_ |
| 2231 | "The crypt() function is unimplemented due to excessive paranoia."); |
| 2232 | #endif |
| 2233 | SETs(TARG); |
| 2234 | RETURN; |
| 2235 | } |
| 2236 | |
| 2237 | PP(pp_ucfirst) |
| 2238 | { |
| 2239 | djSP; |
| 2240 | SV *sv = TOPs; |
| 2241 | register U8 *s; |
| 2242 | STRLEN slen; |
| 2243 | |
| 2244 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
| 2245 | I32 ulen; |
| 2246 | U8 tmpbuf[UTF8_MAXLEN]; |
| 2247 | U8 *tend; |
| 2248 | UV uv = utf8_to_uv(s, &ulen); |
| 2249 | |
| 2250 | if (PL_op->op_private & OPpLOCALE) { |
| 2251 | TAINT; |
| 2252 | SvTAINTED_on(sv); |
| 2253 | uv = toTITLE_LC_uni(uv); |
| 2254 | } |
| 2255 | else |
| 2256 | uv = toTITLE_utf8(s); |
| 2257 | |
| 2258 | tend = uv_to_utf8(tmpbuf, uv); |
| 2259 | |
| 2260 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
| 2261 | dTARGET; |
| 2262 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
| 2263 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); |
| 2264 | SvUTF8_on(TARG); |
| 2265 | SETs(TARG); |
| 2266 | } |
| 2267 | else { |
| 2268 | s = (U8*)SvPV_force(sv, slen); |
| 2269 | Copy(tmpbuf, s, ulen, U8); |
| 2270 | } |
| 2271 | } |
| 2272 | else { |
| 2273 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 2274 | dTARGET; |
| 2275 | SvUTF8_off(TARG); /* decontaminate */ |
| 2276 | sv_setsv(TARG, sv); |
| 2277 | sv = TARG; |
| 2278 | SETs(sv); |
| 2279 | } |
| 2280 | s = (U8*)SvPV_force(sv, slen); |
| 2281 | if (*s) { |
| 2282 | if (PL_op->op_private & OPpLOCALE) { |
| 2283 | TAINT; |
| 2284 | SvTAINTED_on(sv); |
| 2285 | *s = toUPPER_LC(*s); |
| 2286 | } |
| 2287 | else |
| 2288 | *s = toUPPER(*s); |
| 2289 | } |
| 2290 | } |
| 2291 | if (SvSMAGICAL(sv)) |
| 2292 | mg_set(sv); |
| 2293 | RETURN; |
| 2294 | } |
| 2295 | |
| 2296 | PP(pp_lcfirst) |
| 2297 | { |
| 2298 | djSP; |
| 2299 | SV *sv = TOPs; |
| 2300 | register U8 *s; |
| 2301 | STRLEN slen; |
| 2302 | |
| 2303 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
| 2304 | I32 ulen; |
| 2305 | U8 tmpbuf[UTF8_MAXLEN]; |
| 2306 | U8 *tend; |
| 2307 | UV uv = utf8_to_uv(s, &ulen); |
| 2308 | |
| 2309 | if (PL_op->op_private & OPpLOCALE) { |
| 2310 | TAINT; |
| 2311 | SvTAINTED_on(sv); |
| 2312 | uv = toLOWER_LC_uni(uv); |
| 2313 | } |
| 2314 | else |
| 2315 | uv = toLOWER_utf8(s); |
| 2316 | |
| 2317 | tend = uv_to_utf8(tmpbuf, uv); |
| 2318 | |
| 2319 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
| 2320 | dTARGET; |
| 2321 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
| 2322 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); |
| 2323 | SvUTF8_on(TARG); |
| 2324 | SETs(TARG); |
| 2325 | } |
| 2326 | else { |
| 2327 | s = (U8*)SvPV_force(sv, slen); |
| 2328 | Copy(tmpbuf, s, ulen, U8); |
| 2329 | } |
| 2330 | } |
| 2331 | else { |
| 2332 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 2333 | dTARGET; |
| 2334 | SvUTF8_off(TARG); /* decontaminate */ |
| 2335 | sv_setsv(TARG, sv); |
| 2336 | sv = TARG; |
| 2337 | SETs(sv); |
| 2338 | } |
| 2339 | s = (U8*)SvPV_force(sv, slen); |
| 2340 | if (*s) { |
| 2341 | if (PL_op->op_private & OPpLOCALE) { |
| 2342 | TAINT; |
| 2343 | SvTAINTED_on(sv); |
| 2344 | *s = toLOWER_LC(*s); |
| 2345 | } |
| 2346 | else |
| 2347 | *s = toLOWER(*s); |
| 2348 | } |
| 2349 | } |
| 2350 | if (SvSMAGICAL(sv)) |
| 2351 | mg_set(sv); |
| 2352 | RETURN; |
| 2353 | } |
| 2354 | |
| 2355 | PP(pp_uc) |
| 2356 | { |
| 2357 | djSP; |
| 2358 | SV *sv = TOPs; |
| 2359 | register U8 *s; |
| 2360 | STRLEN len; |
| 2361 | |
| 2362 | if (DO_UTF8(sv)) { |
| 2363 | dTARGET; |
| 2364 | I32 ulen; |
| 2365 | register U8 *d; |
| 2366 | U8 *send; |
| 2367 | |
| 2368 | s = (U8*)SvPV(sv,len); |
| 2369 | if (!len) { |
| 2370 | SvUTF8_off(TARG); /* decontaminate */ |
| 2371 | sv_setpvn(TARG, "", 0); |
| 2372 | SETs(TARG); |
| 2373 | } |
| 2374 | else { |
| 2375 | (void)SvUPGRADE(TARG, SVt_PV); |
| 2376 | SvGROW(TARG, (len * 2) + 1); |
| 2377 | (void)SvPOK_only(TARG); |
| 2378 | d = (U8*)SvPVX(TARG); |
| 2379 | send = s + len; |
| 2380 | if (PL_op->op_private & OPpLOCALE) { |
| 2381 | TAINT; |
| 2382 | SvTAINTED_on(TARG); |
| 2383 | while (s < send) { |
| 2384 | d = uv_to_utf8(d, toUPPER_LC_uni( utf8_to_uv(s, &ulen))); |
| 2385 | s += ulen; |
| 2386 | } |
| 2387 | } |
| 2388 | else { |
| 2389 | while (s < send) { |
| 2390 | d = uv_to_utf8(d, toUPPER_utf8( s )); |
| 2391 | s += UTF8SKIP(s); |
| 2392 | } |
| 2393 | } |
| 2394 | *d = '\0'; |
| 2395 | SvUTF8_on(TARG); |
| 2396 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
| 2397 | SETs(TARG); |
| 2398 | } |
| 2399 | } |
| 2400 | else { |
| 2401 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 2402 | dTARGET; |
| 2403 | SvUTF8_off(TARG); /* decontaminate */ |
| 2404 | sv_setsv(TARG, sv); |
| 2405 | sv = TARG; |
| 2406 | SETs(sv); |
| 2407 | } |
| 2408 | s = (U8*)SvPV_force(sv, len); |
| 2409 | if (len) { |
| 2410 | register U8 *send = s + len; |
| 2411 | |
| 2412 | if (PL_op->op_private & OPpLOCALE) { |
| 2413 | TAINT; |
| 2414 | SvTAINTED_on(sv); |
| 2415 | for (; s < send; s++) |
| 2416 | *s = toUPPER_LC(*s); |
| 2417 | } |
| 2418 | else { |
| 2419 | for (; s < send; s++) |
| 2420 | *s = toUPPER(*s); |
| 2421 | } |
| 2422 | } |
| 2423 | } |
| 2424 | if (SvSMAGICAL(sv)) |
| 2425 | mg_set(sv); |
| 2426 | RETURN; |
| 2427 | } |
| 2428 | |
| 2429 | PP(pp_lc) |
| 2430 | { |
| 2431 | djSP; |
| 2432 | SV *sv = TOPs; |
| 2433 | register U8 *s; |
| 2434 | STRLEN len; |
| 2435 | |
| 2436 | if (DO_UTF8(sv)) { |
| 2437 | dTARGET; |
| 2438 | I32 ulen; |
| 2439 | register U8 *d; |
| 2440 | U8 *send; |
| 2441 | |
| 2442 | s = (U8*)SvPV(sv,len); |
| 2443 | if (!len) { |
| 2444 | SvUTF8_off(TARG); /* decontaminate */ |
| 2445 | sv_setpvn(TARG, "", 0); |
| 2446 | SETs(TARG); |
| 2447 | } |
| 2448 | else { |
| 2449 | (void)SvUPGRADE(TARG, SVt_PV); |
| 2450 | SvGROW(TARG, (len * 2) + 1); |
| 2451 | (void)SvPOK_only(TARG); |
| 2452 | d = (U8*)SvPVX(TARG); |
| 2453 | send = s + len; |
| 2454 | if (PL_op->op_private & OPpLOCALE) { |
| 2455 | TAINT; |
| 2456 | SvTAINTED_on(TARG); |
| 2457 | while (s < send) { |
| 2458 | d = uv_to_utf8(d, toLOWER_LC_uni( utf8_to_uv(s, &ulen))); |
| 2459 | s += ulen; |
| 2460 | } |
| 2461 | } |
| 2462 | else { |
| 2463 | while (s < send) { |
| 2464 | d = uv_to_utf8(d, toLOWER_utf8(s)); |
| 2465 | s += UTF8SKIP(s); |
| 2466 | } |
| 2467 | } |
| 2468 | *d = '\0'; |
| 2469 | SvUTF8_on(TARG); |
| 2470 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
| 2471 | SETs(TARG); |
| 2472 | } |
| 2473 | } |
| 2474 | else { |
| 2475 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 2476 | dTARGET; |
| 2477 | SvUTF8_off(TARG); /* decontaminate */ |
| 2478 | sv_setsv(TARG, sv); |
| 2479 | sv = TARG; |
| 2480 | SETs(sv); |
| 2481 | } |
| 2482 | |
| 2483 | s = (U8*)SvPV_force(sv, len); |
| 2484 | if (len) { |
| 2485 | register U8 *send = s + len; |
| 2486 | |
| 2487 | if (PL_op->op_private & OPpLOCALE) { |
| 2488 | TAINT; |
| 2489 | SvTAINTED_on(sv); |
| 2490 | for (; s < send; s++) |
| 2491 | *s = toLOWER_LC(*s); |
| 2492 | } |
| 2493 | else { |
| 2494 | for (; s < send; s++) |
| 2495 | *s = toLOWER(*s); |
| 2496 | } |
| 2497 | } |
| 2498 | } |
| 2499 | if (SvSMAGICAL(sv)) |
| 2500 | mg_set(sv); |
| 2501 | RETURN; |
| 2502 | } |
| 2503 | |
| 2504 | PP(pp_quotemeta) |
| 2505 | { |
| 2506 | djSP; dTARGET; |
| 2507 | SV *sv = TOPs; |
| 2508 | STRLEN len; |
| 2509 | register char *s = SvPV(sv,len); |
| 2510 | register char *d; |
| 2511 | |
| 2512 | SvUTF8_off(TARG); /* decontaminate */ |
| 2513 | if (len) { |
| 2514 | (void)SvUPGRADE(TARG, SVt_PV); |
| 2515 | SvGROW(TARG, (len * 2) + 1); |
| 2516 | d = SvPVX(TARG); |
| 2517 | if (DO_UTF8(sv)) { |
| 2518 | while (len) { |
| 2519 | if (*s & 0x80) { |
| 2520 | STRLEN ulen = UTF8SKIP(s); |
| 2521 | if (ulen > len) |
| 2522 | ulen = len; |
| 2523 | len -= ulen; |
| 2524 | while (ulen--) |
| 2525 | *d++ = *s++; |
| 2526 | } |
| 2527 | else { |
| 2528 | if (!isALNUM(*s)) |
| 2529 | *d++ = '\\'; |
| 2530 | *d++ = *s++; |
| 2531 | len--; |
| 2532 | } |
| 2533 | } |
| 2534 | SvUTF8_on(TARG); |
| 2535 | } |
| 2536 | else { |
| 2537 | while (len--) { |
| 2538 | if (!isALNUM(*s)) |
| 2539 | *d++ = '\\'; |
| 2540 | *d++ = *s++; |
| 2541 | } |
| 2542 | } |
| 2543 | *d = '\0'; |
| 2544 | SvCUR_set(TARG, d - SvPVX(TARG)); |
| 2545 | (void)SvPOK_only(TARG); |
| 2546 | } |
| 2547 | else |
| 2548 | sv_setpvn(TARG, s, len); |
| 2549 | SETs(TARG); |
| 2550 | if (SvSMAGICAL(TARG)) |
| 2551 | mg_set(TARG); |
| 2552 | RETURN; |
| 2553 | } |
| 2554 | |
| 2555 | /* Arrays. */ |
| 2556 | |
| 2557 | PP(pp_aslice) |
| 2558 | { |
| 2559 | djSP; dMARK; dORIGMARK; |
| 2560 | register SV** svp; |
| 2561 | register AV* av = (AV*)POPs; |
| 2562 | register I32 lval = PL_op->op_flags & OPf_MOD; |
| 2563 | I32 arybase = PL_curcop->cop_arybase; |
| 2564 | I32 elem; |
| 2565 | |
| 2566 | if (SvTYPE(av) == SVt_PVAV) { |
| 2567 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
| 2568 | I32 max = -1; |
| 2569 | for (svp = MARK + 1; svp <= SP; svp++) { |
| 2570 | elem = SvIVx(*svp); |
| 2571 | if (elem > max) |
| 2572 | max = elem; |
| 2573 | } |
| 2574 | if (max > AvMAX(av)) |
| 2575 | av_extend(av, max); |
| 2576 | } |
| 2577 | while (++MARK <= SP) { |
| 2578 | elem = SvIVx(*MARK); |
| 2579 | |
| 2580 | if (elem > 0) |
| 2581 | elem -= arybase; |
| 2582 | svp = av_fetch(av, elem, lval); |
| 2583 | if (lval) { |
| 2584 | if (!svp || *svp == &PL_sv_undef) |
| 2585 | DIE(aTHX_ PL_no_aelem, elem); |
| 2586 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 2587 | save_aelem(av, elem, svp); |
| 2588 | } |
| 2589 | *MARK = svp ? *svp : &PL_sv_undef; |
| 2590 | } |
| 2591 | } |
| 2592 | if (GIMME != G_ARRAY) { |
| 2593 | MARK = ORIGMARK; |
| 2594 | *++MARK = *SP; |
| 2595 | SP = MARK; |
| 2596 | } |
| 2597 | RETURN; |
| 2598 | } |
| 2599 | |
| 2600 | /* Associative arrays. */ |
| 2601 | |
| 2602 | PP(pp_each) |
| 2603 | { |
| 2604 | djSP; |
| 2605 | HV *hash = (HV*)POPs; |
| 2606 | HE *entry; |
| 2607 | I32 gimme = GIMME_V; |
| 2608 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
| 2609 | |
| 2610 | PUTBACK; |
| 2611 | /* might clobber stack_sp */ |
| 2612 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); |
| 2613 | SPAGAIN; |
| 2614 | |
| 2615 | EXTEND(SP, 2); |
| 2616 | if (entry) { |
| 2617 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
| 2618 | if (gimme == G_ARRAY) { |
| 2619 | SV *val; |
| 2620 | PUTBACK; |
| 2621 | /* might clobber stack_sp */ |
| 2622 | val = realhv ? |
| 2623 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); |
| 2624 | SPAGAIN; |
| 2625 | PUSHs(val); |
| 2626 | } |
| 2627 | } |
| 2628 | else if (gimme == G_SCALAR) |
| 2629 | RETPUSHUNDEF; |
| 2630 | |
| 2631 | RETURN; |
| 2632 | } |
| 2633 | |
| 2634 | PP(pp_values) |
| 2635 | { |
| 2636 | return do_kv(); |
| 2637 | } |
| 2638 | |
| 2639 | PP(pp_keys) |
| 2640 | { |
| 2641 | return do_kv(); |
| 2642 | } |
| 2643 | |
| 2644 | PP(pp_delete) |
| 2645 | { |
| 2646 | djSP; |
| 2647 | I32 gimme = GIMME_V; |
| 2648 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; |
| 2649 | SV *sv; |
| 2650 | HV *hv; |
| 2651 | |
| 2652 | if (PL_op->op_private & OPpSLICE) { |
| 2653 | dMARK; dORIGMARK; |
| 2654 | U32 hvtype; |
| 2655 | hv = (HV*)POPs; |
| 2656 | hvtype = SvTYPE(hv); |
| 2657 | if (hvtype == SVt_PVHV) { /* hash element */ |
| 2658 | while (++MARK <= SP) { |
| 2659 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
| 2660 | *MARK = sv ? sv : &PL_sv_undef; |
| 2661 | } |
| 2662 | } |
| 2663 | else if (hvtype == SVt_PVAV) { |
| 2664 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
| 2665 | while (++MARK <= SP) { |
| 2666 | sv = av_delete((AV*)hv, SvIV(*MARK), discard); |
| 2667 | *MARK = sv ? sv : &PL_sv_undef; |
| 2668 | } |
| 2669 | } |
| 2670 | else { /* pseudo-hash element */ |
| 2671 | while (++MARK <= SP) { |
| 2672 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); |
| 2673 | *MARK = sv ? sv : &PL_sv_undef; |
| 2674 | } |
| 2675 | } |
| 2676 | } |
| 2677 | else |
| 2678 | DIE(aTHX_ "Not a HASH reference"); |
| 2679 | if (discard) |
| 2680 | SP = ORIGMARK; |
| 2681 | else if (gimme == G_SCALAR) { |
| 2682 | MARK = ORIGMARK; |
| 2683 | *++MARK = *SP; |
| 2684 | SP = MARK; |
| 2685 | } |
| 2686 | } |
| 2687 | else { |
| 2688 | SV *keysv = POPs; |
| 2689 | hv = (HV*)POPs; |
| 2690 | if (SvTYPE(hv) == SVt_PVHV) |
| 2691 | sv = hv_delete_ent(hv, keysv, discard, 0); |
| 2692 | else if (SvTYPE(hv) == SVt_PVAV) { |
| 2693 | if (PL_op->op_flags & OPf_SPECIAL) |
| 2694 | sv = av_delete((AV*)hv, SvIV(keysv), discard); |
| 2695 | else |
| 2696 | sv = avhv_delete_ent((AV*)hv, keysv, discard, 0); |
| 2697 | } |
| 2698 | else |
| 2699 | DIE(aTHX_ "Not a HASH reference"); |
| 2700 | if (!sv) |
| 2701 | sv = &PL_sv_undef; |
| 2702 | if (!discard) |
| 2703 | PUSHs(sv); |
| 2704 | } |
| 2705 | RETURN; |
| 2706 | } |
| 2707 | |
| 2708 | PP(pp_exists) |
| 2709 | { |
| 2710 | djSP; |
| 2711 | SV *tmpsv; |
| 2712 | HV *hv; |
| 2713 | |
| 2714 | if (PL_op->op_private & OPpEXISTS_SUB) { |
| 2715 | GV *gv; |
| 2716 | CV *cv; |
| 2717 | SV *sv = POPs; |
| 2718 | cv = sv_2cv(sv, &hv, &gv, FALSE); |
| 2719 | if (cv) |
| 2720 | RETPUSHYES; |
| 2721 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) |
| 2722 | RETPUSHYES; |
| 2723 | RETPUSHNO; |
| 2724 | } |
| 2725 | tmpsv = POPs; |
| 2726 | hv = (HV*)POPs; |
| 2727 | if (SvTYPE(hv) == SVt_PVHV) { |
| 2728 | if (hv_exists_ent(hv, tmpsv, 0)) |
| 2729 | RETPUSHYES; |
| 2730 | } |
| 2731 | else if (SvTYPE(hv) == SVt_PVAV) { |
| 2732 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
| 2733 | if (av_exists((AV*)hv, SvIV(tmpsv))) |
| 2734 | RETPUSHYES; |
| 2735 | } |
| 2736 | else if (avhv_exists_ent((AV*)hv, tmpsv, 0)) /* pseudo-hash element */ |
| 2737 | RETPUSHYES; |
| 2738 | } |
| 2739 | else { |
| 2740 | DIE(aTHX_ "Not a HASH reference"); |
| 2741 | } |
| 2742 | RETPUSHNO; |
| 2743 | } |
| 2744 | |
| 2745 | PP(pp_hslice) |
| 2746 | { |
| 2747 | djSP; dMARK; dORIGMARK; |
| 2748 | register HV *hv = (HV*)POPs; |
| 2749 | register I32 lval = PL_op->op_flags & OPf_MOD; |
| 2750 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
| 2751 | |
| 2752 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
| 2753 | DIE(aTHX_ "Can't localize pseudo-hash element"); |
| 2754 | |
| 2755 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
| 2756 | while (++MARK <= SP) { |
| 2757 | SV *keysv = *MARK; |
| 2758 | SV **svp; |
| 2759 | if (realhv) { |
| 2760 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
| 2761 | svp = he ? &HeVAL(he) : 0; |
| 2762 | } |
| 2763 | else { |
| 2764 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
| 2765 | } |
| 2766 | if (lval) { |
| 2767 | if (!svp || *svp == &PL_sv_undef) { |
| 2768 | STRLEN n_a; |
| 2769 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); |
| 2770 | } |
| 2771 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 2772 | save_helem(hv, keysv, svp); |
| 2773 | } |
| 2774 | *MARK = svp ? *svp : &PL_sv_undef; |
| 2775 | } |
| 2776 | } |
| 2777 | if (GIMME != G_ARRAY) { |
| 2778 | MARK = ORIGMARK; |
| 2779 | *++MARK = *SP; |
| 2780 | SP = MARK; |
| 2781 | } |
| 2782 | RETURN; |
| 2783 | } |
| 2784 | |
| 2785 | /* List operators. */ |
| 2786 | |
| 2787 | PP(pp_list) |
| 2788 | { |
| 2789 | djSP; dMARK; |
| 2790 | if (GIMME != G_ARRAY) { |
| 2791 | if (++MARK <= SP) |
| 2792 | *MARK = *SP; /* unwanted list, return last item */ |
| 2793 | else |
| 2794 | *MARK = &PL_sv_undef; |
| 2795 | SP = MARK; |
| 2796 | } |
| 2797 | RETURN; |
| 2798 | } |
| 2799 | |
| 2800 | PP(pp_lslice) |
| 2801 | { |
| 2802 | djSP; |
| 2803 | SV **lastrelem = PL_stack_sp; |
| 2804 | SV **lastlelem = PL_stack_base + POPMARK; |
| 2805 | SV **firstlelem = PL_stack_base + POPMARK + 1; |
| 2806 | register SV **firstrelem = lastlelem + 1; |
| 2807 | I32 arybase = PL_curcop->cop_arybase; |
| 2808 | I32 lval = PL_op->op_flags & OPf_MOD; |
| 2809 | I32 is_something_there = lval; |
| 2810 | |
| 2811 | register I32 max = lastrelem - lastlelem; |
| 2812 | register SV **lelem; |
| 2813 | register I32 ix; |
| 2814 | |
| 2815 | if (GIMME != G_ARRAY) { |
| 2816 | ix = SvIVx(*lastlelem); |
| 2817 | if (ix < 0) |
| 2818 | ix += max; |
| 2819 | else |
| 2820 | ix -= arybase; |
| 2821 | if (ix < 0 || ix >= max) |
| 2822 | *firstlelem = &PL_sv_undef; |
| 2823 | else |
| 2824 | *firstlelem = firstrelem[ix]; |
| 2825 | SP = firstlelem; |
| 2826 | RETURN; |
| 2827 | } |
| 2828 | |
| 2829 | if (max == 0) { |
| 2830 | SP = firstlelem - 1; |
| 2831 | RETURN; |
| 2832 | } |
| 2833 | |
| 2834 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { |
| 2835 | ix = SvIVx(*lelem); |
| 2836 | if (ix < 0) |
| 2837 | ix += max; |
| 2838 | else |
| 2839 | ix -= arybase; |
| 2840 | if (ix < 0 || ix >= max) |
| 2841 | *lelem = &PL_sv_undef; |
| 2842 | else { |
| 2843 | is_something_there = TRUE; |
| 2844 | if (!(*lelem = firstrelem[ix])) |
| 2845 | *lelem = &PL_sv_undef; |
| 2846 | } |
| 2847 | } |
| 2848 | if (is_something_there) |
| 2849 | SP = lastlelem; |
| 2850 | else |
| 2851 | SP = firstlelem - 1; |
| 2852 | RETURN; |
| 2853 | } |
| 2854 | |
| 2855 | PP(pp_anonlist) |
| 2856 | { |
| 2857 | djSP; dMARK; dORIGMARK; |
| 2858 | I32 items = SP - MARK; |
| 2859 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
| 2860 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ |
| 2861 | XPUSHs(av); |
| 2862 | RETURN; |
| 2863 | } |
| 2864 | |
| 2865 | PP(pp_anonhash) |
| 2866 | { |
| 2867 | djSP; dMARK; dORIGMARK; |
| 2868 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
| 2869 | |
| 2870 | while (MARK < SP) { |
| 2871 | SV* key = *++MARK; |
| 2872 | SV *val = NEWSV(46, 0); |
| 2873 | if (MARK < SP) |
| 2874 | sv_setsv(val, *++MARK); |
| 2875 | else if (ckWARN(WARN_MISC)) |
| 2876 | Perl_warner(aTHX_ WARN_MISC, "Odd number of elements in hash assignment"); |
| 2877 | (void)hv_store_ent(hv,key,val,0); |
| 2878 | } |
| 2879 | SP = ORIGMARK; |
| 2880 | XPUSHs((SV*)hv); |
| 2881 | RETURN; |
| 2882 | } |
| 2883 | |
| 2884 | PP(pp_splice) |
| 2885 | { |
| 2886 | djSP; dMARK; dORIGMARK; |
| 2887 | register AV *ary = (AV*)*++MARK; |
| 2888 | register SV **src; |
| 2889 | register SV **dst; |
| 2890 | register I32 i; |
| 2891 | register I32 offset; |
| 2892 | register I32 length; |
| 2893 | I32 newlen; |
| 2894 | I32 after; |
| 2895 | I32 diff; |
| 2896 | SV **tmparyval = 0; |
| 2897 | MAGIC *mg; |
| 2898 | |
| 2899 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
| 2900 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
| 2901 | PUSHMARK(MARK); |
| 2902 | PUTBACK; |
| 2903 | ENTER; |
| 2904 | call_method("SPLICE",GIMME_V); |
| 2905 | LEAVE; |
| 2906 | SPAGAIN; |
| 2907 | RETURN; |
| 2908 | } |
| 2909 | |
| 2910 | SP++; |
| 2911 | |
| 2912 | if (++MARK < SP) { |
| 2913 | offset = i = SvIVx(*MARK); |
| 2914 | if (offset < 0) |
| 2915 | offset += AvFILLp(ary) + 1; |
| 2916 | else |
| 2917 | offset -= PL_curcop->cop_arybase; |
| 2918 | if (offset < 0) |
| 2919 | DIE(aTHX_ PL_no_aelem, i); |
| 2920 | if (++MARK < SP) { |
| 2921 | length = SvIVx(*MARK++); |
| 2922 | if (length < 0) { |
| 2923 | length += AvFILLp(ary) - offset + 1; |
| 2924 | if (length < 0) |
| 2925 | length = 0; |
| 2926 | } |
| 2927 | } |
| 2928 | else |
| 2929 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
| 2930 | } |
| 2931 | else { |
| 2932 | offset = 0; |
| 2933 | length = AvMAX(ary) + 1; |
| 2934 | } |
| 2935 | if (offset > AvFILLp(ary) + 1) |
| 2936 | offset = AvFILLp(ary) + 1; |
| 2937 | after = AvFILLp(ary) + 1 - (offset + length); |
| 2938 | if (after < 0) { /* not that much array */ |
| 2939 | length += after; /* offset+length now in array */ |
| 2940 | after = 0; |
| 2941 | if (!AvALLOC(ary)) |
| 2942 | av_extend(ary, 0); |
| 2943 | } |
| 2944 | |
| 2945 | /* At this point, MARK .. SP-1 is our new LIST */ |
| 2946 | |
| 2947 | newlen = SP - MARK; |
| 2948 | diff = newlen - length; |
| 2949 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
| 2950 | av_reify(ary); |
| 2951 | |
| 2952 | if (diff < 0) { /* shrinking the area */ |
| 2953 | if (newlen) { |
| 2954 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ |
| 2955 | Copy(MARK, tmparyval, newlen, SV*); |
| 2956 | } |
| 2957 | |
| 2958 | MARK = ORIGMARK + 1; |
| 2959 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
| 2960 | MEXTEND(MARK, length); |
| 2961 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); |
| 2962 | if (AvREAL(ary)) { |
| 2963 | EXTEND_MORTAL(length); |
| 2964 | for (i = length, dst = MARK; i; i--) { |
| 2965 | sv_2mortal(*dst); /* free them eventualy */ |
| 2966 | dst++; |
| 2967 | } |
| 2968 | } |
| 2969 | MARK += length - 1; |
| 2970 | } |
| 2971 | else { |
| 2972 | *MARK = AvARRAY(ary)[offset+length-1]; |
| 2973 | if (AvREAL(ary)) { |
| 2974 | sv_2mortal(*MARK); |
| 2975 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
| 2976 | SvREFCNT_dec(*dst++); /* free them now */ |
| 2977 | } |
| 2978 | } |
| 2979 | AvFILLp(ary) += diff; |
| 2980 | |
| 2981 | /* pull up or down? */ |
| 2982 | |
| 2983 | if (offset < after) { /* easier to pull up */ |
| 2984 | if (offset) { /* esp. if nothing to pull */ |
| 2985 | src = &AvARRAY(ary)[offset-1]; |
| 2986 | dst = src - diff; /* diff is negative */ |
| 2987 | for (i = offset; i > 0; i--) /* can't trust Copy */ |
| 2988 | *dst-- = *src--; |
| 2989 | } |
| 2990 | dst = AvARRAY(ary); |
| 2991 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ |
| 2992 | AvMAX(ary) += diff; |
| 2993 | } |
| 2994 | else { |
| 2995 | if (after) { /* anything to pull down? */ |
| 2996 | src = AvARRAY(ary) + offset + length; |
| 2997 | dst = src + diff; /* diff is negative */ |
| 2998 | Move(src, dst, after, SV*); |
| 2999 | } |
| 3000 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
| 3001 | /* avoid later double free */ |
| 3002 | } |
| 3003 | i = -diff; |
| 3004 | while (i) |
| 3005 | dst[--i] = &PL_sv_undef; |
| 3006 | |
| 3007 | if (newlen) { |
| 3008 | for (src = tmparyval, dst = AvARRAY(ary) + offset; |
| 3009 | newlen; newlen--) { |
| 3010 | *dst = NEWSV(46, 0); |
| 3011 | sv_setsv(*dst++, *src++); |
| 3012 | } |
| 3013 | Safefree(tmparyval); |
| 3014 | } |
| 3015 | } |
| 3016 | else { /* no, expanding (or same) */ |
| 3017 | if (length) { |
| 3018 | New(452, tmparyval, length, SV*); /* so remember deletion */ |
| 3019 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); |
| 3020 | } |
| 3021 | |
| 3022 | if (diff > 0) { /* expanding */ |
| 3023 | |
| 3024 | /* push up or down? */ |
| 3025 | |
| 3026 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { |
| 3027 | if (offset) { |
| 3028 | src = AvARRAY(ary); |
| 3029 | dst = src - diff; |
| 3030 | Move(src, dst, offset, SV*); |
| 3031 | } |
| 3032 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
| 3033 | AvMAX(ary) += diff; |
| 3034 | AvFILLp(ary) += diff; |
| 3035 | } |
| 3036 | else { |
| 3037 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
| 3038 | av_extend(ary, AvFILLp(ary) + diff); |
| 3039 | AvFILLp(ary) += diff; |
| 3040 | |
| 3041 | if (after) { |
| 3042 | dst = AvARRAY(ary) + AvFILLp(ary); |
| 3043 | src = dst - diff; |
| 3044 | for (i = after; i; i--) { |
| 3045 | *dst-- = *src--; |
| 3046 | } |
| 3047 | } |
| 3048 | } |
| 3049 | } |
| 3050 | |
| 3051 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { |
| 3052 | *dst = NEWSV(46, 0); |
| 3053 | sv_setsv(*dst++, *src++); |
| 3054 | } |
| 3055 | MARK = ORIGMARK + 1; |
| 3056 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
| 3057 | if (length) { |
| 3058 | Copy(tmparyval, MARK, length, SV*); |
| 3059 | if (AvREAL(ary)) { |
| 3060 | EXTEND_MORTAL(length); |
| 3061 | for (i = length, dst = MARK; i; i--) { |
| 3062 | sv_2mortal(*dst); /* free them eventualy */ |
| 3063 | dst++; |
| 3064 | } |
| 3065 | } |
| 3066 | Safefree(tmparyval); |
| 3067 | } |
| 3068 | MARK += length - 1; |
| 3069 | } |
| 3070 | else if (length--) { |
| 3071 | *MARK = tmparyval[length]; |
| 3072 | if (AvREAL(ary)) { |
| 3073 | sv_2mortal(*MARK); |
| 3074 | while (length-- > 0) |
| 3075 | SvREFCNT_dec(tmparyval[length]); |
| 3076 | } |
| 3077 | Safefree(tmparyval); |
| 3078 | } |
| 3079 | else |
| 3080 | *MARK = &PL_sv_undef; |
| 3081 | } |
| 3082 | SP = MARK; |
| 3083 | RETURN; |
| 3084 | } |
| 3085 | |
| 3086 | PP(pp_push) |
| 3087 | { |
| 3088 | djSP; dMARK; dORIGMARK; dTARGET; |
| 3089 | register AV *ary = (AV*)*++MARK; |
| 3090 | register SV *sv = &PL_sv_undef; |
| 3091 | MAGIC *mg; |
| 3092 | |
| 3093 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
| 3094 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
| 3095 | PUSHMARK(MARK); |
| 3096 | PUTBACK; |
| 3097 | ENTER; |
| 3098 | call_method("PUSH",G_SCALAR|G_DISCARD); |
| 3099 | LEAVE; |
| 3100 | SPAGAIN; |
| 3101 | } |
| 3102 | else { |
| 3103 | /* Why no pre-extend of ary here ? */ |
| 3104 | for (++MARK; MARK <= SP; MARK++) { |
| 3105 | sv = NEWSV(51, 0); |
| 3106 | if (*MARK) |
| 3107 | sv_setsv(sv, *MARK); |
| 3108 | av_push(ary, sv); |
| 3109 | } |
| 3110 | } |
| 3111 | SP = ORIGMARK; |
| 3112 | PUSHi( AvFILL(ary) + 1 ); |
| 3113 | RETURN; |
| 3114 | } |
| 3115 | |
| 3116 | PP(pp_pop) |
| 3117 | { |
| 3118 | djSP; |
| 3119 | AV *av = (AV*)POPs; |
| 3120 | SV *sv = av_pop(av); |
| 3121 | if (AvREAL(av)) |
| 3122 | (void)sv_2mortal(sv); |
| 3123 | PUSHs(sv); |
| 3124 | RETURN; |
| 3125 | } |
| 3126 | |
| 3127 | PP(pp_shift) |
| 3128 | { |
| 3129 | djSP; |
| 3130 | AV *av = (AV*)POPs; |
| 3131 | SV *sv = av_shift(av); |
| 3132 | EXTEND(SP, 1); |
| 3133 | if (!sv) |
| 3134 | RETPUSHUNDEF; |
| 3135 | if (AvREAL(av)) |
| 3136 | (void)sv_2mortal(sv); |
| 3137 | PUSHs(sv); |
| 3138 | RETURN; |
| 3139 | } |
| 3140 | |
| 3141 | PP(pp_unshift) |
| 3142 | { |
| 3143 | djSP; dMARK; dORIGMARK; dTARGET; |
| 3144 | register AV *ary = (AV*)*++MARK; |
| 3145 | register SV *sv; |
| 3146 | register I32 i = 0; |
| 3147 | MAGIC *mg; |
| 3148 | |
| 3149 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
| 3150 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
| 3151 | PUSHMARK(MARK); |
| 3152 | PUTBACK; |
| 3153 | ENTER; |
| 3154 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
| 3155 | LEAVE; |
| 3156 | SPAGAIN; |
| 3157 | } |
| 3158 | else { |
| 3159 | av_unshift(ary, SP - MARK); |
| 3160 | while (MARK < SP) { |
| 3161 | sv = NEWSV(27, 0); |
| 3162 | sv_setsv(sv, *++MARK); |
| 3163 | (void)av_store(ary, i++, sv); |
| 3164 | } |
| 3165 | } |
| 3166 | SP = ORIGMARK; |
| 3167 | PUSHi( AvFILL(ary) + 1 ); |
| 3168 | RETURN; |
| 3169 | } |
| 3170 | |
| 3171 | PP(pp_reverse) |
| 3172 | { |
| 3173 | djSP; dMARK; |
| 3174 | register SV *tmp; |
| 3175 | SV **oldsp = SP; |
| 3176 | |
| 3177 | if (GIMME == G_ARRAY) { |
| 3178 | MARK++; |
| 3179 | while (MARK < SP) { |
| 3180 | tmp = *MARK; |
| 3181 | *MARK++ = *SP; |
| 3182 | *SP-- = tmp; |
| 3183 | } |
| 3184 | /* safe as long as stack cannot get extended in the above */ |
| 3185 | SP = oldsp; |
| 3186 | } |
| 3187 | else { |
| 3188 | register char *up; |
| 3189 | register char *down; |
| 3190 | register I32 tmp; |
| 3191 | dTARGET; |
| 3192 | STRLEN len; |
| 3193 | |
| 3194 | SvUTF8_off(TARG); /* decontaminate */ |
| 3195 | if (SP - MARK > 1) |
| 3196 | do_join(TARG, &PL_sv_no, MARK, SP); |
| 3197 | else |
| 3198 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
| 3199 | up = SvPV_force(TARG, len); |
| 3200 | if (len > 1) { |
| 3201 | if (DO_UTF8(TARG)) { /* first reverse each character */ |
| 3202 | U8* s = (U8*)SvPVX(TARG); |
| 3203 | U8* send = (U8*)(s + len); |
| 3204 | while (s < send) { |
| 3205 | if (*s < 0x80) { |
| 3206 | s++; |
| 3207 | continue; |
| 3208 | } |
| 3209 | else { |
| 3210 | up = (char*)s; |
| 3211 | s += UTF8SKIP(s); |
| 3212 | down = (char*)(s - 1); |
| 3213 | if (s > send || !((*down & 0xc0) == 0x80)) { |
| 3214 | if (ckWARN_d(WARN_UTF8)) |
| 3215 | Perl_warner(aTHX_ WARN_UTF8, |
| 3216 | "Malformed UTF-8 character"); |
| 3217 | break; |
| 3218 | } |
| 3219 | while (down > up) { |
| 3220 | tmp = *up; |
| 3221 | *up++ = *down; |
| 3222 | *down-- = tmp; |
| 3223 | } |
| 3224 | } |
| 3225 | } |
| 3226 | up = SvPVX(TARG); |
| 3227 | } |
| 3228 | down = SvPVX(TARG) + len - 1; |
| 3229 | while (down > up) { |
| 3230 | tmp = *up; |
| 3231 | *up++ = *down; |
| 3232 | *down-- = tmp; |
| 3233 | } |
| 3234 | (void)SvPOK_only(TARG); |
| 3235 | } |
| 3236 | SP = MARK + 1; |
| 3237 | SETTARG; |
| 3238 | } |
| 3239 | RETURN; |
| 3240 | } |
| 3241 | |
| 3242 | STATIC SV * |
| 3243 | S_mul128(pTHX_ SV *sv, U8 m) |
| 3244 | { |
| 3245 | STRLEN len; |
| 3246 | char *s = SvPV(sv, len); |
| 3247 | char *t; |
| 3248 | U32 i = 0; |
| 3249 | |
| 3250 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ |
| 3251 | SV *tmpNew = newSVpvn("0000000000", 10); |
| 3252 | |
| 3253 | sv_catsv(tmpNew, sv); |
| 3254 | SvREFCNT_dec(sv); /* free old sv */ |
| 3255 | sv = tmpNew; |
| 3256 | s = SvPV(sv, len); |
| 3257 | } |
| 3258 | t = s + len - 1; |
| 3259 | while (!*t) /* trailing '\0'? */ |
| 3260 | t--; |
| 3261 | while (t > s) { |
| 3262 | i = ((*t - '0') << 7) + m; |
| 3263 | *(t--) = '0' + (i % 10); |
| 3264 | m = i / 10; |
| 3265 | } |
| 3266 | return (sv); |
| 3267 | } |
| 3268 | |
| 3269 | /* Explosives and implosives. */ |
| 3270 | |
| 3271 | #if 'I' == 73 && 'J' == 74 |
| 3272 | /* On an ASCII/ISO kind of system */ |
| 3273 | #define ISUUCHAR(ch) ((ch) >= ' ' && (ch) < 'a') |
| 3274 | #else |
| 3275 | /* |
| 3276 | Some other sort of character set - use memchr() so we don't match |
| 3277 | the null byte. |
| 3278 | */ |
| 3279 | #define ISUUCHAR(ch) (memchr(PL_uuemap, (ch), sizeof(PL_uuemap)-1) || (ch) == ' ') |
| 3280 | #endif |
| 3281 | |
| 3282 | PP(pp_unpack) |
| 3283 | { |
| 3284 | djSP; |
| 3285 | dPOPPOPssrl; |
| 3286 | I32 start_sp_offset = SP - PL_stack_base; |
| 3287 | I32 gimme = GIMME_V; |
| 3288 | SV *sv; |
| 3289 | STRLEN llen; |
| 3290 | STRLEN rlen; |
| 3291 | register char *pat = SvPV(left, llen); |
| 3292 | register char *s = SvPV(right, rlen); |
| 3293 | char *strend = s + rlen; |
| 3294 | char *strbeg = s; |
| 3295 | register char *patend = pat + llen; |
| 3296 | I32 datumtype; |
| 3297 | register I32 len; |
| 3298 | register I32 bits; |
| 3299 | register char *str; |
| 3300 | |
| 3301 | /* These must not be in registers: */ |
| 3302 | I16 ashort; |
| 3303 | int aint; |
| 3304 | I32 along; |
| 3305 | #ifdef HAS_QUAD |
| 3306 | Quad_t aquad; |
| 3307 | #endif |
| 3308 | U16 aushort; |
| 3309 | unsigned int auint; |
| 3310 | U32 aulong; |
| 3311 | #ifdef HAS_QUAD |
| 3312 | Uquad_t auquad; |
| 3313 | #endif |
| 3314 | char *aptr; |
| 3315 | float afloat; |
| 3316 | double adouble; |
| 3317 | I32 checksum = 0; |
| 3318 | register U32 culong; |
| 3319 | NV cdouble; |
| 3320 | int commas = 0; |
| 3321 | int star; |
| 3322 | #ifdef PERL_NATINT_PACK |
| 3323 | int natint; /* native integer */ |
| 3324 | int unatint; /* unsigned native integer */ |
| 3325 | #endif |
| 3326 | |
| 3327 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
| 3328 | /*SUPPRESS 530*/ |
| 3329 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; |
| 3330 | if (strchr("aAZbBhHP", *patend) || *pat == '%') { |
| 3331 | patend++; |
| 3332 | while (isDIGIT(*patend) || *patend == '*') |
| 3333 | patend++; |
| 3334 | } |
| 3335 | else |
| 3336 | patend++; |
| 3337 | } |
| 3338 | while (pat < patend) { |
| 3339 | reparse: |
| 3340 | datumtype = *pat++ & 0xFF; |
| 3341 | #ifdef PERL_NATINT_PACK |
| 3342 | natint = 0; |
| 3343 | #endif |
| 3344 | if (isSPACE(datumtype)) |
| 3345 | continue; |
| 3346 | if (datumtype == '#') { |
| 3347 | while (pat < patend && *pat != '\n') |
| 3348 | pat++; |
| 3349 | continue; |
| 3350 | } |
| 3351 | if (*pat == '!') { |
| 3352 | char *natstr = "sSiIlL"; |
| 3353 | |
| 3354 | if (strchr(natstr, datumtype)) { |
| 3355 | #ifdef PERL_NATINT_PACK |
| 3356 | natint = 1; |
| 3357 | #endif |
| 3358 | pat++; |
| 3359 | } |
| 3360 | else |
| 3361 | DIE(aTHX_ "'!' allowed only after types %s", natstr); |
| 3362 | } |
| 3363 | star = 0; |
| 3364 | if (pat >= patend) |
| 3365 | len = 1; |
| 3366 | else if (*pat == '*') { |
| 3367 | len = strend - strbeg; /* long enough */ |
| 3368 | pat++; |
| 3369 | star = 1; |
| 3370 | } |
| 3371 | else if (isDIGIT(*pat)) { |
| 3372 | len = *pat++ - '0'; |
| 3373 | while (isDIGIT(*pat)) { |
| 3374 | len = (len * 10) + (*pat++ - '0'); |
| 3375 | if (len < 0) |
| 3376 | DIE(aTHX_ "Repeat count in unpack overflows"); |
| 3377 | } |
| 3378 | } |
| 3379 | else |
| 3380 | len = (datumtype != '@'); |
| 3381 | redo_switch: |
| 3382 | switch(datumtype) { |
| 3383 | default: |
| 3384 | DIE(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype); |
| 3385 | case ',': /* grandfather in commas but with a warning */ |
| 3386 | if (commas++ == 0 && ckWARN(WARN_UNPACK)) |
| 3387 | Perl_warner(aTHX_ WARN_UNPACK, |
| 3388 | "Invalid type in unpack: '%c'", (int)datumtype); |
| 3389 | break; |
| 3390 | case '%': |
| 3391 | if (len == 1 && pat[-1] != '1') |
| 3392 | len = 16; |
| 3393 | checksum = len; |
| 3394 | culong = 0; |
| 3395 | cdouble = 0; |
| 3396 | if (pat < patend) |
| 3397 | goto reparse; |
| 3398 | break; |
| 3399 | case '@': |
| 3400 | if (len > strend - strbeg) |
| 3401 | DIE(aTHX_ "@ outside of string"); |
| 3402 | s = strbeg + len; |
| 3403 | break; |
| 3404 | case 'X': |
| 3405 | if (len > s - strbeg) |
| 3406 | DIE(aTHX_ "X outside of string"); |
| 3407 | s -= len; |
| 3408 | break; |
| 3409 | case 'x': |
| 3410 | if (len > strend - s) |
| 3411 | DIE(aTHX_ "x outside of string"); |
| 3412 | s += len; |
| 3413 | break; |
| 3414 | case '/': |
| 3415 | if (start_sp_offset >= SP - PL_stack_base) |
| 3416 | DIE(aTHX_ "/ must follow a numeric type"); |
| 3417 | datumtype = *pat++; |
| 3418 | if (*pat == '*') |
| 3419 | pat++; /* ignore '*' for compatibility with pack */ |
| 3420 | if (isDIGIT(*pat)) |
| 3421 | DIE(aTHX_ "/ cannot take a count" ); |
| 3422 | len = POPi; |
| 3423 | star = 0; |
| 3424 | goto redo_switch; |
| 3425 | case 'A': |
| 3426 | case 'Z': |
| 3427 | case 'a': |
| 3428 | if (len > strend - s) |
| 3429 | len = strend - s; |
| 3430 | if (checksum) |
| 3431 | goto uchar_checksum; |
| 3432 | sv = NEWSV(35, len); |
| 3433 | sv_setpvn(sv, s, len); |
| 3434 | s += len; |
| 3435 | if (datumtype == 'A' || datumtype == 'Z') { |
| 3436 | aptr = s; /* borrow register */ |
| 3437 | if (datumtype == 'Z') { /* 'Z' strips stuff after first null */ |
| 3438 | s = SvPVX(sv); |
| 3439 | while (*s) |
| 3440 | s++; |
| 3441 | } |
| 3442 | else { /* 'A' strips both nulls and spaces */ |
| 3443 | s = SvPVX(sv) + len - 1; |
| 3444 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) |
| 3445 | s--; |
| 3446 | *++s = '\0'; |
| 3447 | } |
| 3448 | SvCUR_set(sv, s - SvPVX(sv)); |
| 3449 | s = aptr; /* unborrow register */ |
| 3450 | } |
| 3451 | XPUSHs(sv_2mortal(sv)); |
| 3452 | break; |
| 3453 | case 'B': |
| 3454 | case 'b': |
| 3455 | if (star || len > (strend - s) * 8) |
| 3456 | len = (strend - s) * 8; |
| 3457 | if (checksum) { |
| 3458 | if (!PL_bitcount) { |
| 3459 | Newz(601, PL_bitcount, 256, char); |
| 3460 | for (bits = 1; bits < 256; bits++) { |
| 3461 | if (bits & 1) PL_bitcount[bits]++; |
| 3462 | if (bits & 2) PL_bitcount[bits]++; |
| 3463 | if (bits & 4) PL_bitcount[bits]++; |
| 3464 | if (bits & 8) PL_bitcount[bits]++; |
| 3465 | if (bits & 16) PL_bitcount[bits]++; |
| 3466 | if (bits & 32) PL_bitcount[bits]++; |
| 3467 | if (bits & 64) PL_bitcount[bits]++; |
| 3468 | if (bits & 128) PL_bitcount[bits]++; |
| 3469 | } |
| 3470 | } |
| 3471 | while (len >= 8) { |
| 3472 | culong += PL_bitcount[*(unsigned char*)s++]; |
| 3473 | len -= 8; |
| 3474 | } |
| 3475 | if (len) { |
| 3476 | bits = *s; |
| 3477 | if (datumtype == 'b') { |
| 3478 | while (len-- > 0) { |
| 3479 | if (bits & 1) culong++; |
| 3480 | bits >>= 1; |
| 3481 | } |
| 3482 | } |
| 3483 | else { |
| 3484 | while (len-- > 0) { |
| 3485 | if (bits & 128) culong++; |
| 3486 | bits <<= 1; |
| 3487 | } |
| 3488 | } |
| 3489 | } |
| 3490 | break; |
| 3491 | } |
| 3492 | sv = NEWSV(35, len + 1); |
| 3493 | SvCUR_set(sv, len); |
| 3494 | SvPOK_on(sv); |
| 3495 | str = SvPVX(sv); |
| 3496 | if (datumtype == 'b') { |
| 3497 | aint = len; |
| 3498 | for (len = 0; len < aint; len++) { |
| 3499 | if (len & 7) /*SUPPRESS 595*/ |
| 3500 | bits >>= 1; |
| 3501 | else |
| 3502 | bits = *s++; |
| 3503 | *str++ = '0' + (bits & 1); |
| 3504 | } |
| 3505 | } |
| 3506 | else { |
| 3507 | aint = len; |
| 3508 | for (len = 0; len < aint; len++) { |
| 3509 | if (len & 7) |
| 3510 | bits <<= 1; |
| 3511 | else |
| 3512 | bits = *s++; |
| 3513 | *str++ = '0' + ((bits & 128) != 0); |
| 3514 | } |
| 3515 | } |
| 3516 | *str = '\0'; |
| 3517 | XPUSHs(sv_2mortal(sv)); |
| 3518 | break; |
| 3519 | case 'H': |
| 3520 | case 'h': |
| 3521 | if (star || len > (strend - s) * 2) |
| 3522 | len = (strend - s) * 2; |
| 3523 | sv = NEWSV(35, len + 1); |
| 3524 | SvCUR_set(sv, len); |
| 3525 | SvPOK_on(sv); |
| 3526 | str = SvPVX(sv); |
| 3527 | if (datumtype == 'h') { |
| 3528 | aint = len; |
| 3529 | for (len = 0; len < aint; len++) { |
| 3530 | if (len & 1) |
| 3531 | bits >>= 4; |
| 3532 | else |
| 3533 | bits = *s++; |
| 3534 | *str++ = PL_hexdigit[bits & 15]; |
| 3535 | } |
| 3536 | } |
| 3537 | else { |
| 3538 | aint = len; |
| 3539 | for (len = 0; len < aint; len++) { |
| 3540 | if (len & 1) |
| 3541 | bits <<= 4; |
| 3542 | else |
| 3543 | bits = *s++; |
| 3544 | *str++ = PL_hexdigit[(bits >> 4) & 15]; |
| 3545 | } |
| 3546 | } |
| 3547 | *str = '\0'; |
| 3548 | XPUSHs(sv_2mortal(sv)); |
| 3549 | break; |
| 3550 | case 'c': |
| 3551 | if (len > strend - s) |
| 3552 | len = strend - s; |
| 3553 | if (checksum) { |
| 3554 | while (len-- > 0) { |
| 3555 | aint = *s++; |
| 3556 | if (aint >= 128) /* fake up signed chars */ |
| 3557 | aint -= 256; |
| 3558 | culong += aint; |
| 3559 | } |
| 3560 | } |
| 3561 | else { |
| 3562 | EXTEND(SP, len); |
| 3563 | EXTEND_MORTAL(len); |
| 3564 | while (len-- > 0) { |
| 3565 | aint = *s++; |
| 3566 | if (aint >= 128) /* fake up signed chars */ |
| 3567 | aint -= 256; |
| 3568 | sv = NEWSV(36, 0); |
| 3569 | sv_setiv(sv, (IV)aint); |
| 3570 | PUSHs(sv_2mortal(sv)); |
| 3571 | } |
| 3572 | } |
| 3573 | break; |
| 3574 | case 'C': |
| 3575 | if (len > strend - s) |
| 3576 | len = strend - s; |
| 3577 | if (checksum) { |
| 3578 | uchar_checksum: |
| 3579 | while (len-- > 0) { |
| 3580 | auint = *s++ & 255; |
| 3581 | culong += auint; |
| 3582 | } |
| 3583 | } |
| 3584 | else { |
| 3585 | EXTEND(SP, len); |
| 3586 | EXTEND_MORTAL(len); |
| 3587 | while (len-- > 0) { |
| 3588 | auint = *s++ & 255; |
| 3589 | sv = NEWSV(37, 0); |
| 3590 | sv_setiv(sv, (IV)auint); |
| 3591 | PUSHs(sv_2mortal(sv)); |
| 3592 | } |
| 3593 | } |
| 3594 | break; |
| 3595 | case 'U': |
| 3596 | if (len > strend - s) |
| 3597 | len = strend - s; |
| 3598 | if (checksum) { |
| 3599 | while (len-- > 0 && s < strend) { |
| 3600 | auint = utf8_to_uv((U8*)s, &along); |
| 3601 | s += along; |
| 3602 | if (checksum > 32) |
| 3603 | cdouble += (NV)auint; |
| 3604 | else |
| 3605 | culong += auint; |
| 3606 | } |
| 3607 | } |
| 3608 | else { |
| 3609 | EXTEND(SP, len); |
| 3610 | EXTEND_MORTAL(len); |
| 3611 | while (len-- > 0 && s < strend) { |
| 3612 | auint = utf8_to_uv((U8*)s, &along); |
| 3613 | s += along; |
| 3614 | sv = NEWSV(37, 0); |
| 3615 | sv_setuv(sv, (UV)auint); |
| 3616 | PUSHs(sv_2mortal(sv)); |
| 3617 | } |
| 3618 | } |
| 3619 | break; |
| 3620 | case 's': |
| 3621 | #if SHORTSIZE == SIZE16 |
| 3622 | along = (strend - s) / SIZE16; |
| 3623 | #else |
| 3624 | along = (strend - s) / (natint ? sizeof(short) : SIZE16); |
| 3625 | #endif |
| 3626 | if (len > along) |
| 3627 | len = along; |
| 3628 | if (checksum) { |
| 3629 | #if SHORTSIZE != SIZE16 |
| 3630 | if (natint) { |
| 3631 | short ashort; |
| 3632 | while (len-- > 0) { |
| 3633 | COPYNN(s, &ashort, sizeof(short)); |
| 3634 | s += sizeof(short); |
| 3635 | culong += ashort; |
| 3636 | |
| 3637 | } |
| 3638 | } |
| 3639 | else |
| 3640 | #endif |
| 3641 | { |
| 3642 | while (len-- > 0) { |
| 3643 | COPY16(s, &ashort); |
| 3644 | #if SHORTSIZE > SIZE16 |
| 3645 | if (ashort > 32767) |
| 3646 | ashort -= 65536; |
| 3647 | #endif |
| 3648 | s += SIZE16; |
| 3649 | culong += ashort; |
| 3650 | } |
| 3651 | } |
| 3652 | } |
| 3653 | else { |
| 3654 | EXTEND(SP, len); |
| 3655 | EXTEND_MORTAL(len); |
| 3656 | #if SHORTSIZE != SIZE16 |
| 3657 | if (natint) { |
| 3658 | short ashort; |
| 3659 | while (len-- > 0) { |
| 3660 | COPYNN(s, &ashort, sizeof(short)); |
| 3661 | s += sizeof(short); |
| 3662 | sv = NEWSV(38, 0); |
| 3663 | sv_setiv(sv, (IV)ashort); |
| 3664 | PUSHs(sv_2mortal(sv)); |
| 3665 | } |
| 3666 | } |
| 3667 | else |
| 3668 | #endif |
| 3669 | { |
| 3670 | while (len-- > 0) { |
| 3671 | COPY16(s, &ashort); |
| 3672 | #if SHORTSIZE > SIZE16 |
| 3673 | if (ashort > 32767) |
| 3674 | ashort -= 65536; |
| 3675 | #endif |
| 3676 | s += SIZE16; |
| 3677 | sv = NEWSV(38, 0); |
| 3678 | sv_setiv(sv, (IV)ashort); |
| 3679 | PUSHs(sv_2mortal(sv)); |
| 3680 | } |
| 3681 | } |
| 3682 | } |
| 3683 | break; |
| 3684 | case 'v': |
| 3685 | case 'n': |
| 3686 | case 'S': |
| 3687 | #if SHORTSIZE == SIZE16 |
| 3688 | along = (strend - s) / SIZE16; |
| 3689 | #else |
| 3690 | unatint = natint && datumtype == 'S'; |
| 3691 | along = (strend - s) / (unatint ? sizeof(unsigned short) : SIZE16); |
| 3692 | #endif |
| 3693 | if (len > along) |
| 3694 | len = along; |
| 3695 | if (checksum) { |
| 3696 | #if SHORTSIZE != SIZE16 |
| 3697 | if (unatint) { |
| 3698 | unsigned short aushort; |
| 3699 | while (len-- > 0) { |
| 3700 | COPYNN(s, &aushort, sizeof(unsigned short)); |
| 3701 | s += sizeof(unsigned short); |
| 3702 | culong += aushort; |
| 3703 | } |
| 3704 | } |
| 3705 | else |
| 3706 | #endif |
| 3707 | { |
| 3708 | while (len-- > 0) { |
| 3709 | COPY16(s, &aushort); |
| 3710 | s += SIZE16; |
| 3711 | #ifdef HAS_NTOHS |
| 3712 | if (datumtype == 'n') |
| 3713 | aushort = PerlSock_ntohs(aushort); |
| 3714 | #endif |
| 3715 | #ifdef HAS_VTOHS |
| 3716 | if (datumtype == 'v') |
| 3717 | aushort = vtohs(aushort); |
| 3718 | #endif |
| 3719 | culong += aushort; |
| 3720 | } |
| 3721 | } |
| 3722 | } |
| 3723 | else { |
| 3724 | EXTEND(SP, len); |
| 3725 | EXTEND_MORTAL(len); |
| 3726 | #if SHORTSIZE != SIZE16 |
| 3727 | if (unatint) { |
| 3728 | unsigned short aushort; |
| 3729 | while (len-- > 0) { |
| 3730 | COPYNN(s, &aushort, sizeof(unsigned short)); |
| 3731 | s += sizeof(unsigned short); |
| 3732 | sv = NEWSV(39, 0); |
| 3733 | sv_setiv(sv, (UV)aushort); |
| 3734 | PUSHs(sv_2mortal(sv)); |
| 3735 | } |
| 3736 | } |
| 3737 | else |
| 3738 | #endif |
| 3739 | { |
| 3740 | while (len-- > 0) { |
| 3741 | COPY16(s, &aushort); |
| 3742 | s += SIZE16; |
| 3743 | sv = NEWSV(39, 0); |
| 3744 | #ifdef HAS_NTOHS |
| 3745 | if (datumtype == 'n') |
| 3746 | aushort = PerlSock_ntohs(aushort); |
| 3747 | #endif |
| 3748 | #ifdef HAS_VTOHS |
| 3749 | if (datumtype == 'v') |
| 3750 | aushort = vtohs(aushort); |
| 3751 | #endif |
| 3752 | sv_setiv(sv, (UV)aushort); |
| 3753 | PUSHs(sv_2mortal(sv)); |
| 3754 | } |
| 3755 | } |
| 3756 | } |
| 3757 | break; |
| 3758 | case 'i': |
| 3759 | along = (strend - s) / sizeof(int); |
| 3760 | if (len > along) |
| 3761 | len = along; |
| 3762 | if (checksum) { |
| 3763 | while (len-- > 0) { |
| 3764 | Copy(s, &aint, 1, int); |
| 3765 | s += sizeof(int); |
| 3766 | if (checksum > 32) |
| 3767 | cdouble += (NV)aint; |
| 3768 | else |
| 3769 | culong += aint; |
| 3770 | } |
| 3771 | } |
| 3772 | else { |
| 3773 | EXTEND(SP, len); |
| 3774 | EXTEND_MORTAL(len); |
| 3775 | while (len-- > 0) { |
| 3776 | Copy(s, &aint, 1, int); |
| 3777 | s += sizeof(int); |
| 3778 | sv = NEWSV(40, 0); |
| 3779 | #ifdef __osf__ |
| 3780 | /* Without the dummy below unpack("i", pack("i",-1)) |
| 3781 | * return 0xFFffFFff instead of -1 for Digital Unix V4.0 |
| 3782 | * cc with optimization turned on. |
| 3783 | * |
| 3784 | * The bug was detected in |
| 3785 | * DEC C V5.8-009 on Digital UNIX V4.0 (Rev. 1091) (V4.0E) |
| 3786 | * with optimization (-O4) turned on. |
| 3787 | * DEC C V5.2-040 on Digital UNIX V4.0 (Rev. 564) (V4.0B) |
| 3788 | * does not have this problem even with -O4. |
| 3789 | * |
| 3790 | * This bug was reported as DECC_BUGS 1431 |
| 3791 | * and tracked internally as GEM_BUGS 7775. |
| 3792 | * |
| 3793 | * The bug is fixed in |
| 3794 | * Tru64 UNIX V5.0: Compaq C V6.1-006 or later |
| 3795 | * UNIX V4.0F support: DEC C V5.9-006 or later |
| 3796 | * UNIX V4.0E support: DEC C V5.8-011 or later |
| 3797 | * and also in DTK. |
| 3798 | * |
| 3799 | * See also few lines later for the same bug. |
| 3800 | */ |
| 3801 | (aint) ? |
| 3802 | sv_setiv(sv, (IV)aint) : |
| 3803 | #endif |
| 3804 | sv_setiv(sv, (IV)aint); |
| 3805 | PUSHs(sv_2mortal(sv)); |
| 3806 | } |
| 3807 | } |
| 3808 | break; |
| 3809 | case 'I': |
| 3810 | along = (strend - s) / sizeof(unsigned int); |
| 3811 | if (len > along) |
| 3812 | len = along; |
| 3813 | if (checksum) { |
| 3814 | while (len-- > 0) { |
| 3815 | Copy(s, &auint, 1, unsigned int); |
| 3816 | s += sizeof(unsigned int); |
| 3817 | if (checksum > 32) |
| 3818 | cdouble += (NV)auint; |
| 3819 | else |
| 3820 | culong += auint; |
| 3821 | } |
| 3822 | } |
| 3823 | else { |
| 3824 | EXTEND(SP, len); |
| 3825 | EXTEND_MORTAL(len); |
| 3826 | while (len-- > 0) { |
| 3827 | Copy(s, &auint, 1, unsigned int); |
| 3828 | s += sizeof(unsigned int); |
| 3829 | sv = NEWSV(41, 0); |
| 3830 | #ifdef __osf__ |
| 3831 | /* Without the dummy below unpack("I", pack("I",0xFFFFFFFF)) |
| 3832 | * returns 1.84467440737096e+19 instead of 0xFFFFFFFF. |
| 3833 | * See details few lines earlier. */ |
| 3834 | (auint) ? |
| 3835 | sv_setuv(sv, (UV)auint) : |
| 3836 | #endif |
| 3837 | sv_setuv(sv, (UV)auint); |
| 3838 | PUSHs(sv_2mortal(sv)); |
| 3839 | } |
| 3840 | } |
| 3841 | break; |
| 3842 | case 'l': |
| 3843 | #if LONGSIZE == SIZE32 |
| 3844 | along = (strend - s) / SIZE32; |
| 3845 | #else |
| 3846 | along = (strend - s) / (natint ? sizeof(long) : SIZE32); |
| 3847 | #endif |
| 3848 | if (len > along) |
| 3849 | len = along; |
| 3850 | if (checksum) { |
| 3851 | #if LONGSIZE != SIZE32 |
| 3852 | if (natint) { |
| 3853 | long along; |
| 3854 | while (len-- > 0) { |
| 3855 | COPYNN(s, &along, sizeof(long)); |
| 3856 | s += sizeof(long); |
| 3857 | if (checksum > 32) |
| 3858 | cdouble += (NV)along; |
| 3859 | else |
| 3860 | culong += along; |
| 3861 | } |
| 3862 | } |
| 3863 | else |
| 3864 | #endif |
| 3865 | { |
| 3866 | while (len-- > 0) { |
| 3867 | COPY32(s, &along); |
| 3868 | #if LONGSIZE > SIZE32 |
| 3869 | if (along > 2147483647) |
| 3870 | along -= 4294967296; |
| 3871 | #endif |
| 3872 | s += SIZE32; |
| 3873 | if (checksum > 32) |
| 3874 | cdouble += (NV)along; |
| 3875 | else |
| 3876 | culong += along; |
| 3877 | } |
| 3878 | } |
| 3879 | } |
| 3880 | else { |
| 3881 | EXTEND(SP, len); |
| 3882 | EXTEND_MORTAL(len); |
| 3883 | #if LONGSIZE != SIZE32 |
| 3884 | if (natint) { |
| 3885 | long along; |
| 3886 | while (len-- > 0) { |
| 3887 | COPYNN(s, &along, sizeof(long)); |
| 3888 | s += sizeof(long); |
| 3889 | sv = NEWSV(42, 0); |
| 3890 | sv_setiv(sv, (IV)along); |
| 3891 | PUSHs(sv_2mortal(sv)); |
| 3892 | } |
| 3893 | } |
| 3894 | else |
| 3895 | #endif |
| 3896 | { |
| 3897 | while (len-- > 0) { |
| 3898 | COPY32(s, &along); |
| 3899 | #if LONGSIZE > SIZE32 |
| 3900 | if (along > 2147483647) |
| 3901 | along -= 4294967296; |
| 3902 | #endif |
| 3903 | s += SIZE32; |
| 3904 | sv = NEWSV(42, 0); |
| 3905 | sv_setiv(sv, (IV)along); |
| 3906 | PUSHs(sv_2mortal(sv)); |
| 3907 | } |
| 3908 | } |
| 3909 | } |
| 3910 | break; |
| 3911 | case 'V': |
| 3912 | case 'N': |
| 3913 | case 'L': |
| 3914 | #if LONGSIZE == SIZE32 |
| 3915 | along = (strend - s) / SIZE32; |
| 3916 | #else |
| 3917 | unatint = natint && datumtype == 'L'; |
| 3918 | along = (strend - s) / (unatint ? sizeof(unsigned long) : SIZE32); |
| 3919 | #endif |
| 3920 | if (len > along) |
| 3921 | len = along; |
| 3922 | if (checksum) { |
| 3923 | #if LONGSIZE != SIZE32 |
| 3924 | if (unatint) { |
| 3925 | unsigned long aulong; |
| 3926 | while (len-- > 0) { |
| 3927 | COPYNN(s, &aulong, sizeof(unsigned long)); |
| 3928 | s += sizeof(unsigned long); |
| 3929 | if (checksum > 32) |
| 3930 | cdouble += (NV)aulong; |
| 3931 | else |
| 3932 | culong += aulong; |
| 3933 | } |
| 3934 | } |
| 3935 | else |
| 3936 | #endif |
| 3937 | { |
| 3938 | while (len-- > 0) { |
| 3939 | COPY32(s, &aulong); |
| 3940 | s += SIZE32; |
| 3941 | #ifdef HAS_NTOHL |
| 3942 | if (datumtype == 'N') |
| 3943 | aulong = PerlSock_ntohl(aulong); |
| 3944 | #endif |
| 3945 | #ifdef HAS_VTOHL |
| 3946 | if (datumtype == 'V') |
| 3947 | aulong = vtohl(aulong); |
| 3948 | #endif |
| 3949 | if (checksum > 32) |
| 3950 | cdouble += (NV)aulong; |
| 3951 | else |
| 3952 | culong += aulong; |
| 3953 | } |
| 3954 | } |
| 3955 | } |
| 3956 | else { |
| 3957 | EXTEND(SP, len); |
| 3958 | EXTEND_MORTAL(len); |
| 3959 | #if LONGSIZE != SIZE32 |
| 3960 | if (unatint) { |
| 3961 | unsigned long aulong; |
| 3962 | while (len-- > 0) { |
| 3963 | COPYNN(s, &aulong, sizeof(unsigned long)); |
| 3964 | s += sizeof(unsigned long); |
| 3965 | sv = NEWSV(43, 0); |
| 3966 | sv_setuv(sv, (UV)aulong); |
| 3967 | PUSHs(sv_2mortal(sv)); |
| 3968 | } |
| 3969 | } |
| 3970 | else |
| 3971 | #endif |
| 3972 | { |
| 3973 | while (len-- > 0) { |
| 3974 | COPY32(s, &aulong); |
| 3975 | s += SIZE32; |
| 3976 | #ifdef HAS_NTOHL |
| 3977 | if (datumtype == 'N') |
| 3978 | aulong = PerlSock_ntohl(aulong); |
| 3979 | #endif |
| 3980 | #ifdef HAS_VTOHL |
| 3981 | if (datumtype == 'V') |
| 3982 | aulong = vtohl(aulong); |
| 3983 | #endif |
| 3984 | sv = NEWSV(43, 0); |
| 3985 | sv_setuv(sv, (UV)aulong); |
| 3986 | PUSHs(sv_2mortal(sv)); |
| 3987 | } |
| 3988 | } |
| 3989 | } |
| 3990 | break; |
| 3991 | case 'p': |
| 3992 | along = (strend - s) / sizeof(char*); |
| 3993 | if (len > along) |
| 3994 | len = along; |
| 3995 | EXTEND(SP, len); |
| 3996 | EXTEND_MORTAL(len); |
| 3997 | while (len-- > 0) { |
| 3998 | if (sizeof(char*) > strend - s) |
| 3999 | break; |
| 4000 | else { |
| 4001 | Copy(s, &aptr, 1, char*); |
| 4002 | s += sizeof(char*); |
| 4003 | } |
| 4004 | sv = NEWSV(44, 0); |
| 4005 | if (aptr) |
| 4006 | sv_setpv(sv, aptr); |
| 4007 | PUSHs(sv_2mortal(sv)); |
| 4008 | } |
| 4009 | break; |
| 4010 | case 'w': |
| 4011 | EXTEND(SP, len); |
| 4012 | EXTEND_MORTAL(len); |
| 4013 | { |
| 4014 | UV auv = 0; |
| 4015 | U32 bytes = 0; |
| 4016 | |
| 4017 | while ((len > 0) && (s < strend)) { |
| 4018 | auv = (auv << 7) | (*s & 0x7f); |
| 4019 | if (!(*s++ & 0x80)) { |
| 4020 | bytes = 0; |
| 4021 | sv = NEWSV(40, 0); |
| 4022 | sv_setuv(sv, auv); |
| 4023 | PUSHs(sv_2mortal(sv)); |
| 4024 | len--; |
| 4025 | auv = 0; |
| 4026 | } |
| 4027 | else if (++bytes >= sizeof(UV)) { /* promote to string */ |
| 4028 | char *t; |
| 4029 | STRLEN n_a; |
| 4030 | |
| 4031 | sv = Perl_newSVpvf(aTHX_ "%.*Vu", (int)TYPE_DIGITS(UV), auv); |
| 4032 | while (s < strend) { |
| 4033 | sv = mul128(sv, *s & 0x7f); |
| 4034 | if (!(*s++ & 0x80)) { |
| 4035 | bytes = 0; |
| 4036 | break; |
| 4037 | } |
| 4038 | } |
| 4039 | t = SvPV(sv, n_a); |
| 4040 | while (*t == '0') |
| 4041 | t++; |
| 4042 | sv_chop(sv, t); |
| 4043 | PUSHs(sv_2mortal(sv)); |
| 4044 | len--; |
| 4045 | auv = 0; |
| 4046 | } |
| 4047 | } |
| 4048 | if ((s >= strend) && bytes) |
| 4049 | DIE(aTHX_ "Unterminated compressed integer"); |
| 4050 | } |
| 4051 | break; |
| 4052 | case 'P': |
| 4053 | EXTEND(SP, 1); |
| 4054 | if (sizeof(char*) > strend - s) |
| 4055 | break; |
| 4056 | else { |
| 4057 | Copy(s, &aptr, 1, char*); |
| 4058 | s += sizeof(char*); |
| 4059 | } |
| 4060 | sv = NEWSV(44, 0); |
| 4061 | if (aptr) |
| 4062 | sv_setpvn(sv, aptr, len); |
| 4063 | PUSHs(sv_2mortal(sv)); |
| 4064 | break; |
| 4065 | #ifdef HAS_QUAD |
| 4066 | case 'q': |
| 4067 | along = (strend - s) / sizeof(Quad_t); |
| 4068 | if (len > along) |
| 4069 | len = along; |
| 4070 | EXTEND(SP, len); |
| 4071 | EXTEND_MORTAL(len); |
| 4072 | while (len-- > 0) { |
| 4073 | if (s + sizeof(Quad_t) > strend) |
| 4074 | aquad = 0; |
| 4075 | else { |
| 4076 | Copy(s, &aquad, 1, Quad_t); |
| 4077 | s += sizeof(Quad_t); |
| 4078 | } |
| 4079 | sv = NEWSV(42, 0); |
| 4080 | if (aquad >= IV_MIN && aquad <= IV_MAX) |
| 4081 | sv_setiv(sv, (IV)aquad); |
| 4082 | else |
| 4083 | sv_setnv(sv, (NV)aquad); |
| 4084 | PUSHs(sv_2mortal(sv)); |
| 4085 | } |
| 4086 | break; |
| 4087 | case 'Q': |
| 4088 | along = (strend - s) / sizeof(Quad_t); |
| 4089 | if (len > along) |
| 4090 | len = along; |
| 4091 | EXTEND(SP, len); |
| 4092 | EXTEND_MORTAL(len); |
| 4093 | while (len-- > 0) { |
| 4094 | if (s + sizeof(Uquad_t) > strend) |
| 4095 | auquad = 0; |
| 4096 | else { |
| 4097 | Copy(s, &auquad, 1, Uquad_t); |
| 4098 | s += sizeof(Uquad_t); |
| 4099 | } |
| 4100 | sv = NEWSV(43, 0); |
| 4101 | if (auquad <= UV_MAX) |
| 4102 | sv_setuv(sv, (UV)auquad); |
| 4103 | else |
| 4104 | sv_setnv(sv, (NV)auquad); |
| 4105 | PUSHs(sv_2mortal(sv)); |
| 4106 | } |
| 4107 | break; |
| 4108 | #endif |
| 4109 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
| 4110 | case 'f': |
| 4111 | case 'F': |
| 4112 | along = (strend - s) / sizeof(float); |
| 4113 | if (len > along) |
| 4114 | len = along; |
| 4115 | if (checksum) { |
| 4116 | while (len-- > 0) { |
| 4117 | Copy(s, &afloat, 1, float); |
| 4118 | s += sizeof(float); |
| 4119 | cdouble += afloat; |
| 4120 | } |
| 4121 | } |
| 4122 | else { |
| 4123 | EXTEND(SP, len); |
| 4124 | EXTEND_MORTAL(len); |
| 4125 | while (len-- > 0) { |
| 4126 | Copy(s, &afloat, 1, float); |
| 4127 | s += sizeof(float); |
| 4128 | sv = NEWSV(47, 0); |
| 4129 | sv_setnv(sv, (NV)afloat); |
| 4130 | PUSHs(sv_2mortal(sv)); |
| 4131 | } |
| 4132 | } |
| 4133 | break; |
| 4134 | case 'd': |
| 4135 | case 'D': |
| 4136 | along = (strend - s) / sizeof(double); |
| 4137 | if (len > along) |
| 4138 | len = along; |
| 4139 | if (checksum) { |
| 4140 | while (len-- > 0) { |
| 4141 | Copy(s, &adouble, 1, double); |
| 4142 | s += sizeof(double); |
| 4143 | cdouble += adouble; |
| 4144 | } |
| 4145 | } |
| 4146 | else { |
| 4147 | EXTEND(SP, len); |
| 4148 | EXTEND_MORTAL(len); |
| 4149 | while (len-- > 0) { |
| 4150 | Copy(s, &adouble, 1, double); |
| 4151 | s += sizeof(double); |
| 4152 | sv = NEWSV(48, 0); |
| 4153 | sv_setnv(sv, (NV)adouble); |
| 4154 | PUSHs(sv_2mortal(sv)); |
| 4155 | } |
| 4156 | } |
| 4157 | break; |
| 4158 | case 'u': |
| 4159 | /* MKS: |
| 4160 | * Initialise the decode mapping. By using a table driven |
| 4161 | * algorithm, the code will be character-set independent |
| 4162 | * (and just as fast as doing character arithmetic) |
| 4163 | */ |
| 4164 | if (PL_uudmap['M'] == 0) { |
| 4165 | int i; |
| 4166 | |
| 4167 | for (i = 0; i < sizeof(PL_uuemap); i += 1) |
| 4168 | PL_uudmap[(U8)PL_uuemap[i]] = i; |
| 4169 | /* |
| 4170 | * Because ' ' and '`' map to the same value, |
| 4171 | * we need to decode them both the same. |
| 4172 | */ |
| 4173 | PL_uudmap[' '] = 0; |
| 4174 | } |
| 4175 | |
| 4176 | along = (strend - s) * 3 / 4; |
| 4177 | sv = NEWSV(42, along); |
| 4178 | if (along) |
| 4179 | SvPOK_on(sv); |
| 4180 | while (s < strend && *s > ' ' && ISUUCHAR(*s)) { |
| 4181 | I32 a, b, c, d; |
| 4182 | char hunk[4]; |
| 4183 | |
| 4184 | hunk[3] = '\0'; |
| 4185 | len = PL_uudmap[*(U8*)s++] & 077; |
| 4186 | while (len > 0) { |
| 4187 | if (s < strend && ISUUCHAR(*s)) |
| 4188 | a = PL_uudmap[*(U8*)s++] & 077; |
| 4189 | else |
| 4190 | a = 0; |
| 4191 | if (s < strend && ISUUCHAR(*s)) |
| 4192 | b = PL_uudmap[*(U8*)s++] & 077; |
| 4193 | else |
| 4194 | b = 0; |
| 4195 | if (s < strend && ISUUCHAR(*s)) |
| 4196 | c = PL_uudmap[*(U8*)s++] & 077; |
| 4197 | else |
| 4198 | c = 0; |
| 4199 | if (s < strend && ISUUCHAR(*s)) |
| 4200 | d = PL_uudmap[*(U8*)s++] & 077; |
| 4201 | else |
| 4202 | d = 0; |
| 4203 | hunk[0] = (a << 2) | (b >> 4); |
| 4204 | hunk[1] = (b << 4) | (c >> 2); |
| 4205 | hunk[2] = (c << 6) | d; |
| 4206 | sv_catpvn(sv, hunk, (len > 3) ? 3 : len); |
| 4207 | len -= 3; |
| 4208 | } |
| 4209 | if (*s == '\n') |
| 4210 | s++; |
| 4211 | else if (s[1] == '\n') /* possible checksum byte */ |
| 4212 | s += 2; |
| 4213 | } |
| 4214 | XPUSHs(sv_2mortal(sv)); |
| 4215 | break; |
| 4216 | } |
| 4217 | if (checksum) { |
| 4218 | sv = NEWSV(42, 0); |
| 4219 | if (strchr("fFdD", datumtype) || |
| 4220 | (checksum > 32 && strchr("iIlLNU", datumtype)) ) { |
| 4221 | NV trouble; |
| 4222 | |
| 4223 | adouble = 1.0; |
| 4224 | while (checksum >= 16) { |
| 4225 | checksum -= 16; |
| 4226 | adouble *= 65536.0; |
| 4227 | } |
| 4228 | while (checksum >= 4) { |
| 4229 | checksum -= 4; |
| 4230 | adouble *= 16.0; |
| 4231 | } |
| 4232 | while (checksum--) |
| 4233 | adouble *= 2.0; |
| 4234 | along = (1 << checksum) - 1; |
| 4235 | while (cdouble < 0.0) |
| 4236 | cdouble += adouble; |
| 4237 | cdouble = Perl_modf(cdouble / adouble, &trouble) * adouble; |
| 4238 | sv_setnv(sv, cdouble); |
| 4239 | } |
| 4240 | else { |
| 4241 | if (checksum < 32) { |
| 4242 | aulong = (1 << checksum) - 1; |
| 4243 | culong &= aulong; |
| 4244 | } |
| 4245 | sv_setuv(sv, (UV)culong); |
| 4246 | } |
| 4247 | XPUSHs(sv_2mortal(sv)); |
| 4248 | checksum = 0; |
| 4249 | } |
| 4250 | } |
| 4251 | if (SP - PL_stack_base == start_sp_offset && gimme == G_SCALAR) |
| 4252 | PUSHs(&PL_sv_undef); |
| 4253 | RETURN; |
| 4254 | } |
| 4255 | |
| 4256 | STATIC void |
| 4257 | S_doencodes(pTHX_ register SV *sv, register char *s, register I32 len) |
| 4258 | { |
| 4259 | char hunk[5]; |
| 4260 | |
| 4261 | *hunk = PL_uuemap[len]; |
| 4262 | sv_catpvn(sv, hunk, 1); |
| 4263 | hunk[4] = '\0'; |
| 4264 | while (len > 2) { |
| 4265 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
| 4266 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017)))]; |
| 4267 | hunk[2] = PL_uuemap[(077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)))]; |
| 4268 | hunk[3] = PL_uuemap[(077 & (s[2] & 077))]; |
| 4269 | sv_catpvn(sv, hunk, 4); |
| 4270 | s += 3; |
| 4271 | len -= 3; |
| 4272 | } |
| 4273 | if (len > 0) { |
| 4274 | char r = (len > 1 ? s[1] : '\0'); |
| 4275 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
| 4276 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((r >> 4) & 017)))]; |
| 4277 | hunk[2] = PL_uuemap[(077 & ((r << 2) & 074))]; |
| 4278 | hunk[3] = PL_uuemap[0]; |
| 4279 | sv_catpvn(sv, hunk, 4); |
| 4280 | } |
| 4281 | sv_catpvn(sv, "\n", 1); |
| 4282 | } |
| 4283 | |
| 4284 | STATIC SV * |
| 4285 | S_is_an_int(pTHX_ char *s, STRLEN l) |
| 4286 | { |
| 4287 | STRLEN n_a; |
| 4288 | SV *result = newSVpvn(s, l); |
| 4289 | char *result_c = SvPV(result, n_a); /* convenience */ |
| 4290 | char *out = result_c; |
| 4291 | bool skip = 1; |
| 4292 | bool ignore = 0; |
| 4293 | |
| 4294 | while (*s) { |
| 4295 | switch (*s) { |
| 4296 | case ' ': |
| 4297 | break; |
| 4298 | case '+': |
| 4299 | if (!skip) { |
| 4300 | SvREFCNT_dec(result); |
| 4301 | return (NULL); |
| 4302 | } |
| 4303 | break; |
| 4304 | case '0': |
| 4305 | case '1': |
| 4306 | case '2': |
| 4307 | case '3': |
| 4308 | case '4': |
| 4309 | case '5': |
| 4310 | case '6': |
| 4311 | case '7': |
| 4312 | case '8': |
| 4313 | case '9': |
| 4314 | skip = 0; |
| 4315 | if (!ignore) { |
| 4316 | *(out++) = *s; |
| 4317 | } |
| 4318 | break; |
| 4319 | case '.': |
| 4320 | ignore = 1; |
| 4321 | break; |
| 4322 | default: |
| 4323 | SvREFCNT_dec(result); |
| 4324 | return (NULL); |
| 4325 | } |
| 4326 | s++; |
| 4327 | } |
| 4328 | *(out++) = '\0'; |
| 4329 | SvCUR_set(result, out - result_c); |
| 4330 | return (result); |
| 4331 | } |
| 4332 | |
| 4333 | /* pnum must be '\0' terminated */ |
| 4334 | STATIC int |
| 4335 | S_div128(pTHX_ SV *pnum, bool *done) |
| 4336 | { |
| 4337 | STRLEN len; |
| 4338 | char *s = SvPV(pnum, len); |
| 4339 | int m = 0; |
| 4340 | int r = 0; |
| 4341 | char *t = s; |
| 4342 | |
| 4343 | *done = 1; |
| 4344 | while (*t) { |
| 4345 | int i; |
| 4346 | |
| 4347 | i = m * 10 + (*t - '0'); |
| 4348 | m = i & 0x7F; |
| 4349 | r = (i >> 7); /* r < 10 */ |
| 4350 | if (r) { |
| 4351 | *done = 0; |
| 4352 | } |
| 4353 | *(t++) = '0' + r; |
| 4354 | } |
| 4355 | *(t++) = '\0'; |
| 4356 | SvCUR_set(pnum, (STRLEN) (t - s)); |
| 4357 | return (m); |
| 4358 | } |
| 4359 | |
| 4360 | |
| 4361 | PP(pp_pack) |
| 4362 | { |
| 4363 | djSP; dMARK; dORIGMARK; dTARGET; |
| 4364 | register SV *cat = TARG; |
| 4365 | register I32 items; |
| 4366 | STRLEN fromlen; |
| 4367 | register char *pat = SvPVx(*++MARK, fromlen); |
| 4368 | register char *patend = pat + fromlen; |
| 4369 | register I32 len; |
| 4370 | I32 datumtype; |
| 4371 | SV *fromstr; |
| 4372 | /*SUPPRESS 442*/ |
| 4373 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; |
| 4374 | static char *space10 = " "; |
| 4375 | |
| 4376 | /* These must not be in registers: */ |
| 4377 | char achar; |
| 4378 | I16 ashort; |
| 4379 | int aint; |
| 4380 | unsigned int auint; |
| 4381 | I32 along; |
| 4382 | U32 aulong; |
| 4383 | #ifdef HAS_QUAD |
| 4384 | Quad_t aquad; |
| 4385 | Uquad_t auquad; |
| 4386 | #endif |
| 4387 | char *aptr; |
| 4388 | float afloat; |
| 4389 | double adouble; |
| 4390 | int commas = 0; |
| 4391 | #ifdef PERL_NATINT_PACK |
| 4392 | int natint; /* native integer */ |
| 4393 | #endif |
| 4394 | |
| 4395 | items = SP - MARK; |
| 4396 | MARK++; |
| 4397 | sv_setpvn(cat, "", 0); |
| 4398 | while (pat < patend) { |
| 4399 | SV *lengthcode = Nullsv; |
| 4400 | #define NEXTFROM ( lengthcode ? lengthcode : items-- > 0 ? *MARK++ : &PL_sv_no) |
| 4401 | datumtype = *pat++ & 0xFF; |
| 4402 | #ifdef PERL_NATINT_PACK |
| 4403 | natint = 0; |
| 4404 | #endif |
| 4405 | if (isSPACE(datumtype)) |
| 4406 | continue; |
| 4407 | if (datumtype == '#') { |
| 4408 | while (pat < patend && *pat != '\n') |
| 4409 | pat++; |
| 4410 | continue; |
| 4411 | } |
| 4412 | if (*pat == '!') { |
| 4413 | char *natstr = "sSiIlL"; |
| 4414 | |
| 4415 | if (strchr(natstr, datumtype)) { |
| 4416 | #ifdef PERL_NATINT_PACK |
| 4417 | natint = 1; |
| 4418 | #endif |
| 4419 | pat++; |
| 4420 | } |
| 4421 | else |
| 4422 | DIE(aTHX_ "'!' allowed only after types %s", natstr); |
| 4423 | } |
| 4424 | if (*pat == '*') { |
| 4425 | len = strchr("@Xxu", datumtype) ? 0 : items; |
| 4426 | pat++; |
| 4427 | } |
| 4428 | else if (isDIGIT(*pat)) { |
| 4429 | len = *pat++ - '0'; |
| 4430 | while (isDIGIT(*pat)) { |
| 4431 | len = (len * 10) + (*pat++ - '0'); |
| 4432 | if (len < 0) |
| 4433 | DIE(aTHX_ "Repeat count in pack overflows"); |
| 4434 | } |
| 4435 | } |
| 4436 | else |
| 4437 | len = 1; |
| 4438 | if (*pat == '/') { |
| 4439 | ++pat; |
| 4440 | if ((*pat != 'a' && *pat != 'A' && *pat != 'Z') || pat[1] != '*') |
| 4441 | DIE(aTHX_ "/ must be followed by a*, A* or Z*"); |
| 4442 | lengthcode = sv_2mortal(newSViv(sv_len(items > 0 |
| 4443 | ? *MARK : &PL_sv_no) |
| 4444 | + (*pat == 'Z' ? 1 : 0))); |
| 4445 | } |
| 4446 | switch(datumtype) { |
| 4447 | default: |
| 4448 | DIE(aTHX_ "Invalid type in pack: '%c'", (int)datumtype); |
| 4449 | case ',': /* grandfather in commas but with a warning */ |
| 4450 | if (commas++ == 0 && ckWARN(WARN_PACK)) |
| 4451 | Perl_warner(aTHX_ WARN_PACK, |
| 4452 | "Invalid type in pack: '%c'", (int)datumtype); |
| 4453 | break; |
| 4454 | case '%': |
| 4455 | DIE(aTHX_ "%% may only be used in unpack"); |
| 4456 | case '@': |
| 4457 | len -= SvCUR(cat); |
| 4458 | if (len > 0) |
| 4459 | goto grow; |
| 4460 | len = -len; |
| 4461 | if (len > 0) |
| 4462 | goto shrink; |
| 4463 | break; |
| 4464 | case 'X': |
| 4465 | shrink: |
| 4466 | if (SvCUR(cat) < len) |
| 4467 | DIE(aTHX_ "X outside of string"); |
| 4468 | SvCUR(cat) -= len; |
| 4469 | *SvEND(cat) = '\0'; |
| 4470 | break; |
| 4471 | case 'x': |
| 4472 | grow: |
| 4473 | while (len >= 10) { |
| 4474 | sv_catpvn(cat, null10, 10); |
| 4475 | len -= 10; |
| 4476 | } |
| 4477 | sv_catpvn(cat, null10, len); |
| 4478 | break; |
| 4479 | case 'A': |
| 4480 | case 'Z': |
| 4481 | case 'a': |
| 4482 | fromstr = NEXTFROM; |
| 4483 | aptr = SvPV(fromstr, fromlen); |
| 4484 | if (pat[-1] == '*') { |
| 4485 | len = fromlen; |
| 4486 | if (datumtype == 'Z') |
| 4487 | ++len; |
| 4488 | } |
| 4489 | if (fromlen >= len) { |
| 4490 | sv_catpvn(cat, aptr, len); |
| 4491 | if (datumtype == 'Z') |
| 4492 | *(SvEND(cat)-1) = '\0'; |
| 4493 | } |
| 4494 | else { |
| 4495 | sv_catpvn(cat, aptr, fromlen); |
| 4496 | len -= fromlen; |
| 4497 | if (datumtype == 'A') { |
| 4498 | while (len >= 10) { |
| 4499 | sv_catpvn(cat, space10, 10); |
| 4500 | len -= 10; |
| 4501 | } |
| 4502 | sv_catpvn(cat, space10, len); |
| 4503 | } |
| 4504 | else { |
| 4505 | while (len >= 10) { |
| 4506 | sv_catpvn(cat, null10, 10); |
| 4507 | len -= 10; |
| 4508 | } |
| 4509 | sv_catpvn(cat, null10, len); |
| 4510 | } |
| 4511 | } |
| 4512 | break; |
| 4513 | case 'B': |
| 4514 | case 'b': |
| 4515 | { |
| 4516 | register char *str; |
| 4517 | I32 saveitems; |
| 4518 | |
| 4519 | fromstr = NEXTFROM; |
| 4520 | saveitems = items; |
| 4521 | str = SvPV(fromstr, fromlen); |
| 4522 | if (pat[-1] == '*') |
| 4523 | len = fromlen; |
| 4524 | aint = SvCUR(cat); |
| 4525 | SvCUR(cat) += (len+7)/8; |
| 4526 | SvGROW(cat, SvCUR(cat) + 1); |
| 4527 | aptr = SvPVX(cat) + aint; |
| 4528 | if (len > fromlen) |
| 4529 | len = fromlen; |
| 4530 | aint = len; |
| 4531 | items = 0; |
| 4532 | if (datumtype == 'B') { |
| 4533 | for (len = 0; len++ < aint;) { |
| 4534 | items |= *str++ & 1; |
| 4535 | if (len & 7) |
| 4536 | items <<= 1; |
| 4537 | else { |
| 4538 | *aptr++ = items & 0xff; |
| 4539 | items = 0; |
| 4540 | } |
| 4541 | } |
| 4542 | } |
| 4543 | else { |
| 4544 | for (len = 0; len++ < aint;) { |
| 4545 | if (*str++ & 1) |
| 4546 | items |= 128; |
| 4547 | if (len & 7) |
| 4548 | items >>= 1; |
| 4549 | else { |
| 4550 | *aptr++ = items & 0xff; |
| 4551 | items = 0; |
| 4552 | } |
| 4553 | } |
| 4554 | } |
| 4555 | if (aint & 7) { |
| 4556 | if (datumtype == 'B') |
| 4557 | items <<= 7 - (aint & 7); |
| 4558 | else |
| 4559 | items >>= 7 - (aint & 7); |
| 4560 | *aptr++ = items & 0xff; |
| 4561 | } |
| 4562 | str = SvPVX(cat) + SvCUR(cat); |
| 4563 | while (aptr <= str) |
| 4564 | *aptr++ = '\0'; |
| 4565 | |
| 4566 | items = saveitems; |
| 4567 | } |
| 4568 | break; |
| 4569 | case 'H': |
| 4570 | case 'h': |
| 4571 | { |
| 4572 | register char *str; |
| 4573 | I32 saveitems; |
| 4574 | |
| 4575 | fromstr = NEXTFROM; |
| 4576 | saveitems = items; |
| 4577 | str = SvPV(fromstr, fromlen); |
| 4578 | if (pat[-1] == '*') |
| 4579 | len = fromlen; |
| 4580 | aint = SvCUR(cat); |
| 4581 | SvCUR(cat) += (len+1)/2; |
| 4582 | SvGROW(cat, SvCUR(cat) + 1); |
| 4583 | aptr = SvPVX(cat) + aint; |
| 4584 | if (len > fromlen) |
| 4585 | len = fromlen; |
| 4586 | aint = len; |
| 4587 | items = 0; |
| 4588 | if (datumtype == 'H') { |
| 4589 | for (len = 0; len++ < aint;) { |
| 4590 | if (isALPHA(*str)) |
| 4591 | items |= ((*str++ & 15) + 9) & 15; |
| 4592 | else |
| 4593 | items |= *str++ & 15; |
| 4594 | if (len & 1) |
| 4595 | items <<= 4; |
| 4596 | else { |
| 4597 | *aptr++ = items & 0xff; |
| 4598 | items = 0; |
| 4599 | } |
| 4600 | } |
| 4601 | } |
| 4602 | else { |
| 4603 | for (len = 0; len++ < aint;) { |
| 4604 | if (isALPHA(*str)) |
| 4605 | items |= (((*str++ & 15) + 9) & 15) << 4; |
| 4606 | else |
| 4607 | items |= (*str++ & 15) << 4; |
| 4608 | if (len & 1) |
| 4609 | items >>= 4; |
| 4610 | else { |
| 4611 | *aptr++ = items & 0xff; |
| 4612 | items = 0; |
| 4613 | } |
| 4614 | } |
| 4615 | } |
| 4616 | if (aint & 1) |
| 4617 | *aptr++ = items & 0xff; |
| 4618 | str = SvPVX(cat) + SvCUR(cat); |
| 4619 | while (aptr <= str) |
| 4620 | *aptr++ = '\0'; |
| 4621 | |
| 4622 | items = saveitems; |
| 4623 | } |
| 4624 | break; |
| 4625 | case 'C': |
| 4626 | case 'c': |
| 4627 | while (len-- > 0) { |
| 4628 | fromstr = NEXTFROM; |
| 4629 | aint = SvIV(fromstr); |
| 4630 | achar = aint; |
| 4631 | sv_catpvn(cat, &achar, sizeof(char)); |
| 4632 | } |
| 4633 | break; |
| 4634 | case 'U': |
| 4635 | while (len-- > 0) { |
| 4636 | fromstr = NEXTFROM; |
| 4637 | auint = SvUV(fromstr); |
| 4638 | SvGROW(cat, SvCUR(cat) + UTF8_MAXLEN); |
| 4639 | SvCUR_set(cat, (char*)uv_to_utf8((U8*)SvEND(cat),auint) |
| 4640 | - SvPVX(cat)); |
| 4641 | } |
| 4642 | *SvEND(cat) = '\0'; |
| 4643 | break; |
| 4644 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
| 4645 | case 'f': |
| 4646 | case 'F': |
| 4647 | while (len-- > 0) { |
| 4648 | fromstr = NEXTFROM; |
| 4649 | afloat = (float)SvNV(fromstr); |
| 4650 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); |
| 4651 | } |
| 4652 | break; |
| 4653 | case 'd': |
| 4654 | case 'D': |
| 4655 | while (len-- > 0) { |
| 4656 | fromstr = NEXTFROM; |
| 4657 | adouble = (double)SvNV(fromstr); |
| 4658 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); |
| 4659 | } |
| 4660 | break; |
| 4661 | case 'n': |
| 4662 | while (len-- > 0) { |
| 4663 | fromstr = NEXTFROM; |
| 4664 | ashort = (I16)SvIV(fromstr); |
| 4665 | #ifdef HAS_HTONS |
| 4666 | ashort = PerlSock_htons(ashort); |
| 4667 | #endif |
| 4668 | CAT16(cat, &ashort); |
| 4669 | } |
| 4670 | break; |
| 4671 | case 'v': |
| 4672 | while (len-- > 0) { |
| 4673 | fromstr = NEXTFROM; |
| 4674 | ashort = (I16)SvIV(fromstr); |
| 4675 | #ifdef HAS_HTOVS |
| 4676 | ashort = htovs(ashort); |
| 4677 | #endif |
| 4678 | CAT16(cat, &ashort); |
| 4679 | } |
| 4680 | break; |
| 4681 | case 'S': |
| 4682 | #if SHORTSIZE != SIZE16 |
| 4683 | if (natint) { |
| 4684 | unsigned short aushort; |
| 4685 | |
| 4686 | while (len-- > 0) { |
| 4687 | fromstr = NEXTFROM; |
| 4688 | aushort = SvUV(fromstr); |
| 4689 | sv_catpvn(cat, (char *)&aushort, sizeof(unsigned short)); |
| 4690 | } |
| 4691 | } |
| 4692 | else |
| 4693 | #endif |
| 4694 | { |
| 4695 | U16 aushort; |
| 4696 | |
| 4697 | while (len-- > 0) { |
| 4698 | fromstr = NEXTFROM; |
| 4699 | aushort = (U16)SvUV(fromstr); |
| 4700 | CAT16(cat, &aushort); |
| 4701 | } |
| 4702 | |
| 4703 | } |
| 4704 | break; |
| 4705 | case 's': |
| 4706 | #if SHORTSIZE != SIZE16 |
| 4707 | if (natint) { |
| 4708 | short ashort; |
| 4709 | |
| 4710 | while (len-- > 0) { |
| 4711 | fromstr = NEXTFROM; |
| 4712 | ashort = SvIV(fromstr); |
| 4713 | sv_catpvn(cat, (char *)&ashort, sizeof(short)); |
| 4714 | } |
| 4715 | } |
| 4716 | else |
| 4717 | #endif |
| 4718 | { |
| 4719 | while (len-- > 0) { |
| 4720 | fromstr = NEXTFROM; |
| 4721 | ashort = (I16)SvIV(fromstr); |
| 4722 | CAT16(cat, &ashort); |
| 4723 | } |
| 4724 | } |
| 4725 | break; |
| 4726 | case 'I': |
| 4727 | while (len-- > 0) { |
| 4728 | fromstr = NEXTFROM; |
| 4729 | auint = SvUV(fromstr); |
| 4730 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
| 4731 | } |
| 4732 | break; |
| 4733 | case 'w': |
| 4734 | while (len-- > 0) { |
| 4735 | fromstr = NEXTFROM; |
| 4736 | adouble = Perl_floor(SvNV(fromstr)); |
| 4737 | |
| 4738 | if (adouble < 0) |
| 4739 | DIE(aTHX_ "Cannot compress negative numbers"); |
| 4740 | |
| 4741 | if ( |
| 4742 | #if UVSIZE > 4 && UVSIZE >= NVSIZE |
| 4743 | adouble <= 0xffffffff |
| 4744 | #else |
| 4745 | # ifdef CXUX_BROKEN_CONSTANT_CONVERT |
| 4746 | adouble <= UV_MAX_cxux |
| 4747 | # else |
| 4748 | adouble <= UV_MAX |
| 4749 | # endif |
| 4750 | #endif |
| 4751 | ) |
| 4752 | { |
| 4753 | char buf[1 + sizeof(UV)]; |
| 4754 | char *in = buf + sizeof(buf); |
| 4755 | UV auv = U_V(adouble); |
| 4756 | |
| 4757 | do { |
| 4758 | *--in = (auv & 0x7f) | 0x80; |
| 4759 | auv >>= 7; |
| 4760 | } while (auv); |
| 4761 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ |
| 4762 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); |
| 4763 | } |
| 4764 | else if (SvPOKp(fromstr)) { /* decimal string arithmetics */ |
| 4765 | char *from, *result, *in; |
| 4766 | SV *norm; |
| 4767 | STRLEN len; |
| 4768 | bool done; |
| 4769 | |
| 4770 | /* Copy string and check for compliance */ |
| 4771 | from = SvPV(fromstr, len); |
| 4772 | if ((norm = is_an_int(from, len)) == NULL) |
| 4773 | DIE(aTHX_ "can compress only unsigned integer"); |
| 4774 | |
| 4775 | New('w', result, len, char); |
| 4776 | in = result + len; |
| 4777 | done = FALSE; |
| 4778 | while (!done) |
| 4779 | *--in = div128(norm, &done) | 0x80; |
| 4780 | result[len - 1] &= 0x7F; /* clear continue bit */ |
| 4781 | sv_catpvn(cat, in, (result + len) - in); |
| 4782 | Safefree(result); |
| 4783 | SvREFCNT_dec(norm); /* free norm */ |
| 4784 | } |
| 4785 | else if (SvNOKp(fromstr)) { |
| 4786 | char buf[sizeof(double) * 2]; /* 8/7 <= 2 */ |
| 4787 | char *in = buf + sizeof(buf); |
| 4788 | |
| 4789 | do { |
| 4790 | double next = floor(adouble / 128); |
| 4791 | *--in = (unsigned char)(adouble - (next * 128)) | 0x80; |
| 4792 | if (--in < buf) /* this cannot happen ;-) */ |
| 4793 | DIE(aTHX_ "Cannot compress integer"); |
| 4794 | adouble = next; |
| 4795 | } while (adouble > 0); |
| 4796 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ |
| 4797 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); |
| 4798 | } |
| 4799 | else |
| 4800 | DIE(aTHX_ "Cannot compress non integer"); |
| 4801 | } |
| 4802 | break; |
| 4803 | case 'i': |
| 4804 | while (len-- > 0) { |
| 4805 | fromstr = NEXTFROM; |
| 4806 | aint = SvIV(fromstr); |
| 4807 | sv_catpvn(cat, (char*)&aint, sizeof(int)); |
| 4808 | } |
| 4809 | break; |
| 4810 | case 'N': |
| 4811 | while (len-- > 0) { |
| 4812 | fromstr = NEXTFROM; |
| 4813 | aulong = SvUV(fromstr); |
| 4814 | #ifdef HAS_HTONL |
| 4815 | aulong = PerlSock_htonl(aulong); |
| 4816 | #endif |
| 4817 | CAT32(cat, &aulong); |
| 4818 | } |
| 4819 | break; |
| 4820 | case 'V': |
| 4821 | while (len-- > 0) { |
| 4822 | fromstr = NEXTFROM; |
| 4823 | aulong = SvUV(fromstr); |
| 4824 | #ifdef HAS_HTOVL |
| 4825 | aulong = htovl(aulong); |
| 4826 | #endif |
| 4827 | CAT32(cat, &aulong); |
| 4828 | } |
| 4829 | break; |
| 4830 | case 'L': |
| 4831 | #if LONGSIZE != SIZE32 |
| 4832 | if (natint) { |
| 4833 | unsigned long aulong; |
| 4834 | |
| 4835 | while (len-- > 0) { |
| 4836 | fromstr = NEXTFROM; |
| 4837 | aulong = SvUV(fromstr); |
| 4838 | sv_catpvn(cat, (char *)&aulong, sizeof(unsigned long)); |
| 4839 | } |
| 4840 | } |
| 4841 | else |
| 4842 | #endif |
| 4843 | { |
| 4844 | while (len-- > 0) { |
| 4845 | fromstr = NEXTFROM; |
| 4846 | aulong = SvUV(fromstr); |
| 4847 | CAT32(cat, &aulong); |
| 4848 | } |
| 4849 | } |
| 4850 | break; |
| 4851 | case 'l': |
| 4852 | #if LONGSIZE != SIZE32 |
| 4853 | if (natint) { |
| 4854 | long along; |
| 4855 | |
| 4856 | while (len-- > 0) { |
| 4857 | fromstr = NEXTFROM; |
| 4858 | along = SvIV(fromstr); |
| 4859 | sv_catpvn(cat, (char *)&along, sizeof(long)); |
| 4860 | } |
| 4861 | } |
| 4862 | else |
| 4863 | #endif |
| 4864 | { |
| 4865 | while (len-- > 0) { |
| 4866 | fromstr = NEXTFROM; |
| 4867 | along = SvIV(fromstr); |
| 4868 | CAT32(cat, &along); |
| 4869 | } |
| 4870 | } |
| 4871 | break; |
| 4872 | #ifdef HAS_QUAD |
| 4873 | case 'Q': |
| 4874 | while (len-- > 0) { |
| 4875 | fromstr = NEXTFROM; |
| 4876 | auquad = (Uquad_t)SvUV(fromstr); |
| 4877 | sv_catpvn(cat, (char*)&auquad, sizeof(Uquad_t)); |
| 4878 | } |
| 4879 | break; |
| 4880 | case 'q': |
| 4881 | while (len-- > 0) { |
| 4882 | fromstr = NEXTFROM; |
| 4883 | aquad = (Quad_t)SvIV(fromstr); |
| 4884 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); |
| 4885 | } |
| 4886 | break; |
| 4887 | #endif |
| 4888 | case 'P': |
| 4889 | len = 1; /* assume SV is correct length */ |
| 4890 | /* FALL THROUGH */ |
| 4891 | case 'p': |
| 4892 | while (len-- > 0) { |
| 4893 | fromstr = NEXTFROM; |
| 4894 | if (fromstr == &PL_sv_undef) |
| 4895 | aptr = NULL; |
| 4896 | else { |
| 4897 | STRLEN n_a; |
| 4898 | /* XXX better yet, could spirit away the string to |
| 4899 | * a safe spot and hang on to it until the result |
| 4900 | * of pack() (and all copies of the result) are |
| 4901 | * gone. |
| 4902 | */ |
| 4903 | if (ckWARN(WARN_PACK) && (SvTEMP(fromstr) |
| 4904 | || (SvPADTMP(fromstr) |
| 4905 | && !SvREADONLY(fromstr)))) |
| 4906 | { |
| 4907 | Perl_warner(aTHX_ WARN_PACK, |
| 4908 | "Attempt to pack pointer to temporary value"); |
| 4909 | } |
| 4910 | if (SvPOK(fromstr) || SvNIOK(fromstr)) |
| 4911 | aptr = SvPV(fromstr,n_a); |
| 4912 | else |
| 4913 | aptr = SvPV_force(fromstr,n_a); |
| 4914 | } |
| 4915 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
| 4916 | } |
| 4917 | break; |
| 4918 | case 'u': |
| 4919 | fromstr = NEXTFROM; |
| 4920 | aptr = SvPV(fromstr, fromlen); |
| 4921 | SvGROW(cat, fromlen * 4 / 3); |
| 4922 | if (len <= 1) |
| 4923 | len = 45; |
| 4924 | else |
| 4925 | len = len / 3 * 3; |
| 4926 | while (fromlen > 0) { |
| 4927 | I32 todo; |
| 4928 | |
| 4929 | if (fromlen > len) |
| 4930 | todo = len; |
| 4931 | else |
| 4932 | todo = fromlen; |
| 4933 | doencodes(cat, aptr, todo); |
| 4934 | fromlen -= todo; |
| 4935 | aptr += todo; |
| 4936 | } |
| 4937 | break; |
| 4938 | } |
| 4939 | } |
| 4940 | SvSETMAGIC(cat); |
| 4941 | SP = ORIGMARK; |
| 4942 | PUSHs(cat); |
| 4943 | RETURN; |
| 4944 | } |
| 4945 | #undef NEXTFROM |
| 4946 | |
| 4947 | |
| 4948 | PP(pp_split) |
| 4949 | { |
| 4950 | djSP; dTARG; |
| 4951 | AV *ary; |
| 4952 | register I32 limit = POPi; /* note, negative is forever */ |
| 4953 | SV *sv = POPs; |
| 4954 | STRLEN len; |
| 4955 | register char *s = SvPV(sv, len); |
| 4956 | char *strend = s + len; |
| 4957 | register PMOP *pm; |
| 4958 | register REGEXP *rx; |
| 4959 | register SV *dstr; |
| 4960 | register char *m; |
| 4961 | I32 iters = 0; |
| 4962 | I32 maxiters = (strend - s) + 10; |
| 4963 | I32 i; |
| 4964 | char *orig; |
| 4965 | I32 origlimit = limit; |
| 4966 | I32 realarray = 0; |
| 4967 | I32 base; |
| 4968 | AV *oldstack = PL_curstack; |
| 4969 | I32 gimme = GIMME_V; |
| 4970 | I32 oldsave = PL_savestack_ix; |
| 4971 | I32 make_mortal = 1; |
| 4972 | MAGIC *mg = (MAGIC *) NULL; |
| 4973 | |
| 4974 | #ifdef DEBUGGING |
| 4975 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); |
| 4976 | #else |
| 4977 | pm = (PMOP*)POPs; |
| 4978 | #endif |
| 4979 | if (!pm || !s) |
| 4980 | DIE(aTHX_ "panic: do_split"); |
| 4981 | rx = pm->op_pmregexp; |
| 4982 | |
| 4983 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && |
| 4984 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); |
| 4985 | |
| 4986 | if (pm->op_pmreplroot) { |
| 4987 | #ifdef USE_ITHREADS |
| 4988 | ary = GvAVn((GV*)PL_curpad[(PADOFFSET)pm->op_pmreplroot]); |
| 4989 | #else |
| 4990 | ary = GvAVn((GV*)pm->op_pmreplroot); |
| 4991 | #endif |
| 4992 | } |
| 4993 | else if (gimme != G_ARRAY) |
| 4994 | #ifdef USE_THREADS |
| 4995 | ary = (AV*)PL_curpad[0]; |
| 4996 | #else |
| 4997 | ary = GvAVn(PL_defgv); |
| 4998 | #endif /* USE_THREADS */ |
| 4999 | else |
| 5000 | ary = Nullav; |
| 5001 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { |
| 5002 | realarray = 1; |
| 5003 | PUTBACK; |
| 5004 | av_extend(ary,0); |
| 5005 | av_clear(ary); |
| 5006 | SPAGAIN; |
| 5007 | if ((mg = SvTIED_mg((SV*)ary, 'P'))) { |
| 5008 | PUSHMARK(SP); |
| 5009 | XPUSHs(SvTIED_obj((SV*)ary, mg)); |
| 5010 | } |
| 5011 | else { |
| 5012 | if (!AvREAL(ary)) { |
| 5013 | AvREAL_on(ary); |
| 5014 | AvREIFY_off(ary); |
| 5015 | for (i = AvFILLp(ary); i >= 0; i--) |
| 5016 | AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */ |
| 5017 | } |
| 5018 | /* temporarily switch stacks */ |
| 5019 | SWITCHSTACK(PL_curstack, ary); |
| 5020 | make_mortal = 0; |
| 5021 | } |
| 5022 | } |
| 5023 | base = SP - PL_stack_base; |
| 5024 | orig = s; |
| 5025 | if (pm->op_pmflags & PMf_SKIPWHITE) { |
| 5026 | if (pm->op_pmflags & PMf_LOCALE) { |
| 5027 | while (isSPACE_LC(*s)) |
| 5028 | s++; |
| 5029 | } |
| 5030 | else { |
| 5031 | while (isSPACE(*s)) |
| 5032 | s++; |
| 5033 | } |
| 5034 | } |
| 5035 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
| 5036 | SAVEINT(PL_multiline); |
| 5037 | PL_multiline = pm->op_pmflags & PMf_MULTILINE; |
| 5038 | } |
| 5039 | |
| 5040 | if (!limit) |
| 5041 | limit = maxiters + 2; |
| 5042 | if (pm->op_pmflags & PMf_WHITE) { |
| 5043 | while (--limit) { |
| 5044 | m = s; |
| 5045 | while (m < strend && |
| 5046 | !((pm->op_pmflags & PMf_LOCALE) |
| 5047 | ? isSPACE_LC(*m) : isSPACE(*m))) |
| 5048 | ++m; |
| 5049 | if (m >= strend) |
| 5050 | break; |
| 5051 | |
| 5052 | dstr = NEWSV(30, m-s); |
| 5053 | sv_setpvn(dstr, s, m-s); |
| 5054 | if (make_mortal) |
| 5055 | sv_2mortal(dstr); |
| 5056 | XPUSHs(dstr); |
| 5057 | |
| 5058 | s = m + 1; |
| 5059 | while (s < strend && |
| 5060 | ((pm->op_pmflags & PMf_LOCALE) |
| 5061 | ? isSPACE_LC(*s) : isSPACE(*s))) |
| 5062 | ++s; |
| 5063 | } |
| 5064 | } |
| 5065 | else if (strEQ("^", rx->precomp)) { |
| 5066 | while (--limit) { |
| 5067 | /*SUPPRESS 530*/ |
| 5068 | for (m = s; m < strend && *m != '\n'; m++) ; |
| 5069 | m++; |
| 5070 | if (m >= strend) |
| 5071 | break; |
| 5072 | dstr = NEWSV(30, m-s); |
| 5073 | sv_setpvn(dstr, s, m-s); |
| 5074 | if (make_mortal) |
| 5075 | sv_2mortal(dstr); |
| 5076 | XPUSHs(dstr); |
| 5077 | s = m; |
| 5078 | } |
| 5079 | } |
| 5080 | else if ((rx->reganch & RE_USE_INTUIT) && !rx->nparens |
| 5081 | && (rx->reganch & ROPT_CHECK_ALL) |
| 5082 | && !(rx->reganch & ROPT_ANCH)) { |
| 5083 | int tail = (rx->reganch & RE_INTUIT_TAIL); |
| 5084 | SV *csv = CALLREG_INTUIT_STRING(aTHX_ rx); |
| 5085 | char c; |
| 5086 | |
| 5087 | len = rx->minlen; |
| 5088 | if (len == 1 && !tail) { |
| 5089 | c = *SvPV(csv,len); |
| 5090 | while (--limit) { |
| 5091 | /*SUPPRESS 530*/ |
| 5092 | for (m = s; m < strend && *m != c; m++) ; |
| 5093 | if (m >= strend) |
| 5094 | break; |
| 5095 | dstr = NEWSV(30, m-s); |
| 5096 | sv_setpvn(dstr, s, m-s); |
| 5097 | if (make_mortal) |
| 5098 | sv_2mortal(dstr); |
| 5099 | XPUSHs(dstr); |
| 5100 | s = m + 1; |
| 5101 | } |
| 5102 | } |
| 5103 | else { |
| 5104 | #ifndef lint |
| 5105 | while (s < strend && --limit && |
| 5106 | (m = fbm_instr((unsigned char*)s, (unsigned char*)strend, |
| 5107 | csv, PL_multiline ? FBMrf_MULTILINE : 0)) ) |
| 5108 | #endif |
| 5109 | { |
| 5110 | dstr = NEWSV(31, m-s); |
| 5111 | sv_setpvn(dstr, s, m-s); |
| 5112 | if (make_mortal) |
| 5113 | sv_2mortal(dstr); |
| 5114 | XPUSHs(dstr); |
| 5115 | s = m + len; /* Fake \n at the end */ |
| 5116 | } |
| 5117 | } |
| 5118 | } |
| 5119 | else { |
| 5120 | maxiters += (strend - s) * rx->nparens; |
| 5121 | while (s < strend && --limit |
| 5122 | /* && (!rx->check_substr |
| 5123 | || ((s = CALLREG_INTUIT_START(aTHX_ rx, sv, s, strend, |
| 5124 | 0, NULL)))) |
| 5125 | */ && CALLREGEXEC(aTHX_ rx, s, strend, orig, |
| 5126 | 1 /* minend */, sv, NULL, 0)) |
| 5127 | { |
| 5128 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
| 5129 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
| 5130 | m = s; |
| 5131 | s = orig; |
| 5132 | orig = rx->subbeg; |
| 5133 | s = orig + (m - s); |
| 5134 | strend = s + (strend - m); |
| 5135 | } |
| 5136 | m = rx->startp[0] + orig; |
| 5137 | dstr = NEWSV(32, m-s); |
| 5138 | sv_setpvn(dstr, s, m-s); |
| 5139 | if (make_mortal) |
| 5140 | sv_2mortal(dstr); |
| 5141 | XPUSHs(dstr); |
| 5142 | if (rx->nparens) { |
| 5143 | for (i = 1; i <= rx->nparens; i++) { |
| 5144 | s = rx->startp[i] + orig; |
| 5145 | m = rx->endp[i] + orig; |
| 5146 | if (m && s) { |
| 5147 | dstr = NEWSV(33, m-s); |
| 5148 | sv_setpvn(dstr, s, m-s); |
| 5149 | } |
| 5150 | else |
| 5151 | dstr = NEWSV(33, 0); |
| 5152 | if (make_mortal) |
| 5153 | sv_2mortal(dstr); |
| 5154 | XPUSHs(dstr); |
| 5155 | } |
| 5156 | } |
| 5157 | s = rx->endp[0] + orig; |
| 5158 | } |
| 5159 | } |
| 5160 | |
| 5161 | LEAVE_SCOPE(oldsave); |
| 5162 | iters = (SP - PL_stack_base) - base; |
| 5163 | if (iters > maxiters) |
| 5164 | DIE(aTHX_ "Split loop"); |
| 5165 | |
| 5166 | /* keep field after final delim? */ |
| 5167 | if (s < strend || (iters && origlimit)) { |
| 5168 | dstr = NEWSV(34, strend-s); |
| 5169 | sv_setpvn(dstr, s, strend-s); |
| 5170 | if (make_mortal) |
| 5171 | sv_2mortal(dstr); |
| 5172 | XPUSHs(dstr); |
| 5173 | iters++; |
| 5174 | } |
| 5175 | else if (!origlimit) { |
| 5176 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
| 5177 | iters--, SP--; |
| 5178 | } |
| 5179 | |
| 5180 | if (realarray) { |
| 5181 | if (!mg) { |
| 5182 | SWITCHSTACK(ary, oldstack); |
| 5183 | if (SvSMAGICAL(ary)) { |
| 5184 | PUTBACK; |
| 5185 | mg_set((SV*)ary); |
| 5186 | SPAGAIN; |
| 5187 | } |
| 5188 | if (gimme == G_ARRAY) { |
| 5189 | EXTEND(SP, iters); |
| 5190 | Copy(AvARRAY(ary), SP + 1, iters, SV*); |
| 5191 | SP += iters; |
| 5192 | RETURN; |
| 5193 | } |
| 5194 | } |
| 5195 | else { |
| 5196 | PUTBACK; |
| 5197 | ENTER; |
| 5198 | call_method("PUSH",G_SCALAR|G_DISCARD); |
| 5199 | LEAVE; |
| 5200 | SPAGAIN; |
| 5201 | if (gimme == G_ARRAY) { |
| 5202 | /* EXTEND should not be needed - we just popped them */ |
| 5203 | EXTEND(SP, iters); |
| 5204 | for (i=0; i < iters; i++) { |
| 5205 | SV **svp = av_fetch(ary, i, FALSE); |
| 5206 | PUSHs((svp) ? *svp : &PL_sv_undef); |
| 5207 | } |
| 5208 | RETURN; |
| 5209 | } |
| 5210 | } |
| 5211 | } |
| 5212 | else { |
| 5213 | if (gimme == G_ARRAY) |
| 5214 | RETURN; |
| 5215 | } |
| 5216 | if (iters || !pm->op_pmreplroot) { |
| 5217 | GETTARGET; |
| 5218 | PUSHi(iters); |
| 5219 | RETURN; |
| 5220 | } |
| 5221 | RETPUSHUNDEF; |
| 5222 | } |
| 5223 | |
| 5224 | #ifdef USE_THREADS |
| 5225 | void |
| 5226 | Perl_unlock_condpair(pTHX_ void *svv) |
| 5227 | { |
| 5228 | dTHR; |
| 5229 | MAGIC *mg = mg_find((SV*)svv, 'm'); |
| 5230 | |
| 5231 | if (!mg) |
| 5232 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking non-mutex"); |
| 5233 | MUTEX_LOCK(MgMUTEXP(mg)); |
| 5234 | if (MgOWNER(mg) != thr) |
| 5235 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking mutex that we don't own"); |
| 5236 | MgOWNER(mg) = 0; |
| 5237 | COND_SIGNAL(MgOWNERCONDP(mg)); |
| 5238 | DEBUG_S(PerlIO_printf(Perl_debug_log, "0x%"UVxf": unlock 0x%"UVxf"\n", |
| 5239 | PTR2UV(thr), PTR2UV(svv));) |
| 5240 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
| 5241 | } |
| 5242 | #endif /* USE_THREADS */ |
| 5243 | |
| 5244 | PP(pp_lock) |
| 5245 | { |
| 5246 | djSP; |
| 5247 | dTOPss; |
| 5248 | SV *retsv = sv; |
| 5249 | #ifdef USE_THREADS |
| 5250 | MAGIC *mg; |
| 5251 | |
| 5252 | if (SvROK(sv)) |
| 5253 | sv = SvRV(sv); |
| 5254 | |
| 5255 | mg = condpair_magic(sv); |
| 5256 | MUTEX_LOCK(MgMUTEXP(mg)); |
| 5257 | if (MgOWNER(mg) == thr) |
| 5258 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
| 5259 | else { |
| 5260 | while (MgOWNER(mg)) |
| 5261 | COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg)); |
| 5262 | MgOWNER(mg) = thr; |
| 5263 | DEBUG_S(PerlIO_printf(Perl_debug_log, "0x%"UVxf": pp_lock lock 0x%"UVxf"\n", |
| 5264 | PTR2UV(thr), PTR2UV(sv));) |
| 5265 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
| 5266 | SAVEDESTRUCTOR_X(Perl_unlock_condpair, sv); |
| 5267 | } |
| 5268 | #endif /* USE_THREADS */ |
| 5269 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
| 5270 | || SvTYPE(retsv) == SVt_PVCV) { |
| 5271 | retsv = refto(retsv); |
| 5272 | } |
| 5273 | SETs(retsv); |
| 5274 | RETURN; |
| 5275 | } |
| 5276 | |
| 5277 | PP(pp_threadsv) |
| 5278 | { |
| 5279 | #ifdef USE_THREADS |
| 5280 | djSP; |
| 5281 | EXTEND(SP, 1); |
| 5282 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 5283 | PUSHs(*save_threadsv(PL_op->op_targ)); |
| 5284 | else |
| 5285 | PUSHs(THREADSV(PL_op->op_targ)); |
| 5286 | RETURN; |
| 5287 | #else |
| 5288 | DIE(aTHX_ "tried to access per-thread data in non-threaded perl"); |
| 5289 | #endif /* USE_THREADS */ |
| 5290 | } |