Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
bc89e66f | 3 | * Copyright (c) 1991-2001, Larry Wall |
79072805 | 4 | * |
a0d0e21e LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
79072805 | 7 | * |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "It's a big house this, and very peculiar. Always a bit more to discover, | |
12 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise | |
13 | */ | |
79072805 LW |
14 | |
15 | #include "EXTERN.h" | |
864dbfa3 | 16 | #define PERL_IN_PP_C |
79072805 LW |
17 | #include "perl.h" |
18 | ||
36477c24 | 19 | /* |
ef2d312d TH |
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); | |
8ec5e241 | 28 | #endif |
ef2d312d TH |
29 | |
30 | /* | |
96e4d5b1 | 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 | |
dc45a647 MB |
42 | * the preprocessor.) --??? |
43 | */ | |
44 | /* | |
45 | The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE | |
46 | defines are now in config.h. --Andy Dougherty April 1998 | |
96e4d5b1 | 47 | */ |
48 | #define SIZE16 2 | |
49 | #define SIZE32 4 | |
50 | ||
9851f69c JH |
51 | /* CROSSCOMPILE and MULTIARCH are going to affect pp_pack() and pp_unpack(). |
52 | --jhi Feb 1999 */ | |
53 | ||
726ea183 JH |
54 | #if SHORTSIZE != SIZE16 || LONGSIZE != SIZE32 |
55 | # define PERL_NATINT_PACK | |
56 | #endif | |
57 | ||
0f9dfb06 | 58 | #if LONGSIZE > 4 && defined(_CRAY) |
96e4d5b1 | 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)) | |
ef54e1a4 | 72 | # define COPYNN(s,p,n) (*(p) = 0, Copy(s, (char *)(p), n, char)) |
96e4d5b1 | 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) | |
ef54e1a4 | 78 | # define COPYNN(s,p,n) Copy(s, (char *)(p), n, char) |
96e4d5b1 | 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 | ||
a0d0e21e | 83 | /* variations on pp_null */ |
79072805 | 84 | |
dfe9444c AD |
85 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ |
86 | it, since pid_t is an integral type. | |
87 | --AD 2/20/1998 | |
88 | */ | |
89 | #ifdef NEED_GETPID_PROTO | |
90 | extern Pid_t getpid (void); | |
8ac85365 NIS |
91 | #endif |
92 | ||
93a17b20 LW |
93 | PP(pp_stub) |
94 | { | |
39644a26 | 95 | dSP; |
54310121 | 96 | if (GIMME_V == G_SCALAR) |
3280af22 | 97 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
98 | RETURN; |
99 | } | |
100 | ||
79072805 LW |
101 | PP(pp_scalar) |
102 | { | |
103 | return NORMAL; | |
104 | } | |
105 | ||
106 | /* Pushy stuff. */ | |
107 | ||
93a17b20 LW |
108 | PP(pp_padav) |
109 | { | |
39644a26 | 110 | dSP; dTARGET; |
533c011a NIS |
111 | if (PL_op->op_private & OPpLVAL_INTRO) |
112 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
85e6fe83 | 113 | EXTEND(SP, 1); |
533c011a | 114 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 115 | PUSHs(TARG); |
93a17b20 | 116 | RETURN; |
78f9721b SM |
117 | } else if (LVRET) { |
118 | if (GIMME == G_SCALAR) | |
119 | Perl_croak(aTHX_ "Can't return array to lvalue scalar context"); | |
120 | PUSHs(TARG); | |
121 | RETURN; | |
85e6fe83 LW |
122 | } |
123 | if (GIMME == G_ARRAY) { | |
124 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
125 | EXTEND(SP, maxarg); | |
93965878 NIS |
126 | if (SvMAGICAL(TARG)) { |
127 | U32 i; | |
128 | for (i=0; i < maxarg; i++) { | |
129 | SV **svp = av_fetch((AV*)TARG, i, FALSE); | |
3280af22 | 130 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
131 | } |
132 | } | |
133 | else { | |
134 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
135 | } | |
85e6fe83 LW |
136 | SP += maxarg; |
137 | } | |
138 | else { | |
139 | SV* sv = sv_newmortal(); | |
140 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
141 | sv_setiv(sv, maxarg); | |
142 | PUSHs(sv); | |
143 | } | |
144 | RETURN; | |
93a17b20 LW |
145 | } |
146 | ||
147 | PP(pp_padhv) | |
148 | { | |
39644a26 | 149 | dSP; dTARGET; |
54310121 | 150 | I32 gimme; |
151 | ||
93a17b20 | 152 | XPUSHs(TARG); |
533c011a NIS |
153 | if (PL_op->op_private & OPpLVAL_INTRO) |
154 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
155 | if (PL_op->op_flags & OPf_REF) | |
93a17b20 | 156 | RETURN; |
78f9721b SM |
157 | else if (LVRET) { |
158 | if (GIMME == G_SCALAR) | |
159 | Perl_croak(aTHX_ "Can't return hash to lvalue scalar context"); | |
160 | RETURN; | |
161 | } | |
54310121 | 162 | gimme = GIMME_V; |
163 | if (gimme == G_ARRAY) { | |
cea2e8a9 | 164 | RETURNOP(do_kv()); |
85e6fe83 | 165 | } |
54310121 | 166 | else if (gimme == G_SCALAR) { |
85e6fe83 | 167 | SV* sv = sv_newmortal(); |
46fc3d4c | 168 | if (HvFILL((HV*)TARG)) |
cea2e8a9 | 169 | Perl_sv_setpvf(aTHX_ sv, "%ld/%ld", |
46fc3d4c | 170 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); |
85e6fe83 LW |
171 | else |
172 | sv_setiv(sv, 0); | |
173 | SETs(sv); | |
85e6fe83 | 174 | } |
54310121 | 175 | RETURN; |
93a17b20 LW |
176 | } |
177 | ||
ed6116ce LW |
178 | PP(pp_padany) |
179 | { | |
cea2e8a9 | 180 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
ed6116ce LW |
181 | } |
182 | ||
79072805 LW |
183 | /* Translations. */ |
184 | ||
185 | PP(pp_rv2gv) | |
186 | { | |
39644a26 | 187 | dSP; dTOPss; |
8ec5e241 | 188 | |
ed6116ce | 189 | if (SvROK(sv)) { |
a0d0e21e | 190 | wasref: |
f5284f61 IZ |
191 | tryAMAGICunDEREF(to_gv); |
192 | ||
ed6116ce | 193 | sv = SvRV(sv); |
b1dadf13 | 194 | if (SvTYPE(sv) == SVt_PVIO) { |
195 | GV *gv = (GV*) sv_newmortal(); | |
196 | gv_init(gv, 0, "", 0, 0); | |
197 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 198 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 199 | sv = (SV*) gv; |
ef54e1a4 JH |
200 | } |
201 | else if (SvTYPE(sv) != SVt_PVGV) | |
cea2e8a9 | 202 | DIE(aTHX_ "Not a GLOB reference"); |
79072805 LW |
203 | } |
204 | else { | |
93a17b20 | 205 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 | 206 | char *sym; |
c9d5ac95 | 207 | STRLEN len; |
748a9306 | 208 | |
a0d0e21e LW |
209 | if (SvGMAGICAL(sv)) { |
210 | mg_get(sv); | |
211 | if (SvROK(sv)) | |
212 | goto wasref; | |
213 | } | |
afd1915d | 214 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
b13b2135 | 215 | /* If this is a 'my' scalar and flag is set then vivify |
853846ea | 216 | * NI-S 1999/05/07 |
b13b2135 | 217 | */ |
1d8d4d2a | 218 | if (PL_op->op_private & OPpDEREF) { |
2c8ac474 GS |
219 | char *name; |
220 | GV *gv; | |
221 | if (cUNOP->op_targ) { | |
222 | STRLEN len; | |
223 | SV *namesv = PL_curpad[cUNOP->op_targ]; | |
224 | name = SvPV(namesv, len); | |
2d6d9f7a | 225 | gv = (GV*)NEWSV(0,0); |
2c8ac474 GS |
226 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
227 | } | |
228 | else { | |
229 | name = CopSTASHPV(PL_curcop); | |
230 | gv = newGVgen(name); | |
1d8d4d2a | 231 | } |
b13b2135 NIS |
232 | if (SvTYPE(sv) < SVt_RV) |
233 | sv_upgrade(sv, SVt_RV); | |
2c8ac474 | 234 | SvRV(sv) = (SV*)gv; |
853846ea | 235 | SvROK_on(sv); |
1d8d4d2a | 236 | SvSETMAGIC(sv); |
853846ea | 237 | goto wasref; |
2c8ac474 | 238 | } |
533c011a NIS |
239 | if (PL_op->op_flags & OPf_REF || |
240 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 241 | DIE(aTHX_ PL_no_usym, "a symbol"); |
599cee73 | 242 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 243 | report_uninit(); |
a0d0e21e LW |
244 | RETSETUNDEF; |
245 | } | |
c9d5ac95 | 246 | sym = SvPV(sv,len); |
35cd451c GS |
247 | if ((PL_op->op_flags & OPf_SPECIAL) && |
248 | !(PL_op->op_flags & OPf_MOD)) | |
249 | { | |
250 | sv = (SV*)gv_fetchpv(sym, FALSE, SVt_PVGV); | |
c9d5ac95 GS |
251 | if (!sv |
252 | && (!is_gv_magical(sym,len,0) | |
253 | || !(sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV)))) | |
254 | { | |
35cd451c | 255 | RETSETUNDEF; |
c9d5ac95 | 256 | } |
35cd451c GS |
257 | } |
258 | else { | |
259 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 260 | DIE(aTHX_ PL_no_symref, sym, "a symbol"); |
35cd451c GS |
261 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
262 | } | |
93a17b20 | 263 | } |
79072805 | 264 | } |
533c011a NIS |
265 | if (PL_op->op_private & OPpLVAL_INTRO) |
266 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
267 | SETs(sv); |
268 | RETURN; | |
269 | } | |
270 | ||
79072805 LW |
271 | PP(pp_rv2sv) |
272 | { | |
39644a26 | 273 | dSP; dTOPss; |
79072805 | 274 | |
ed6116ce | 275 | if (SvROK(sv)) { |
a0d0e21e | 276 | wasref: |
f5284f61 IZ |
277 | tryAMAGICunDEREF(to_sv); |
278 | ||
ed6116ce | 279 | sv = SvRV(sv); |
79072805 LW |
280 | switch (SvTYPE(sv)) { |
281 | case SVt_PVAV: | |
282 | case SVt_PVHV: | |
283 | case SVt_PVCV: | |
cea2e8a9 | 284 | DIE(aTHX_ "Not a SCALAR reference"); |
79072805 LW |
285 | } |
286 | } | |
287 | else { | |
f12c7020 | 288 | GV *gv = (GV*)sv; |
748a9306 | 289 | char *sym; |
c9d5ac95 | 290 | STRLEN len; |
748a9306 | 291 | |
463ee0b2 | 292 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
293 | if (SvGMAGICAL(sv)) { |
294 | mg_get(sv); | |
295 | if (SvROK(sv)) | |
296 | goto wasref; | |
297 | } | |
298 | if (!SvOK(sv)) { | |
533c011a NIS |
299 | if (PL_op->op_flags & OPf_REF || |
300 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 301 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
599cee73 | 302 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 303 | report_uninit(); |
a0d0e21e LW |
304 | RETSETUNDEF; |
305 | } | |
c9d5ac95 | 306 | sym = SvPV(sv, len); |
35cd451c GS |
307 | if ((PL_op->op_flags & OPf_SPECIAL) && |
308 | !(PL_op->op_flags & OPf_MOD)) | |
309 | { | |
310 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); | |
c9d5ac95 GS |
311 | if (!gv |
312 | && (!is_gv_magical(sym,len,0) | |
313 | || !(gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV)))) | |
314 | { | |
35cd451c | 315 | RETSETUNDEF; |
c9d5ac95 | 316 | } |
35cd451c GS |
317 | } |
318 | else { | |
319 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 320 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
35cd451c GS |
321 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
322 | } | |
463ee0b2 LW |
323 | } |
324 | sv = GvSV(gv); | |
a0d0e21e | 325 | } |
533c011a NIS |
326 | if (PL_op->op_flags & OPf_MOD) { |
327 | if (PL_op->op_private & OPpLVAL_INTRO) | |
a0d0e21e | 328 | sv = save_scalar((GV*)TOPs); |
533c011a NIS |
329 | else if (PL_op->op_private & OPpDEREF) |
330 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 331 | } |
a0d0e21e | 332 | SETs(sv); |
79072805 LW |
333 | RETURN; |
334 | } | |
335 | ||
336 | PP(pp_av2arylen) | |
337 | { | |
39644a26 | 338 | dSP; |
79072805 LW |
339 | AV *av = (AV*)TOPs; |
340 | SV *sv = AvARYLEN(av); | |
341 | if (!sv) { | |
342 | AvARYLEN(av) = sv = NEWSV(0,0); | |
343 | sv_upgrade(sv, SVt_IV); | |
14befaf4 | 344 | sv_magic(sv, (SV*)av, PERL_MAGIC_arylen, Nullch, 0); |
79072805 LW |
345 | } |
346 | SETs(sv); | |
347 | RETURN; | |
348 | } | |
349 | ||
a0d0e21e LW |
350 | PP(pp_pos) |
351 | { | |
39644a26 | 352 | dSP; dTARGET; dPOPss; |
8ec5e241 | 353 | |
78f9721b | 354 | if (PL_op->op_flags & OPf_MOD || LVRET) { |
5f05dabc | 355 | if (SvTYPE(TARG) < SVt_PVLV) { |
356 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 357 | sv_magic(TARG, Nullsv, PERL_MAGIC_pos, Nullch, 0); |
5f05dabc | 358 | } |
359 | ||
360 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
361 | if (LvTARG(TARG) != sv) { |
362 | if (LvTARG(TARG)) | |
363 | SvREFCNT_dec(LvTARG(TARG)); | |
364 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
365 | } | |
a0d0e21e LW |
366 | PUSHs(TARG); /* no SvSETMAGIC */ |
367 | RETURN; | |
368 | } | |
369 | else { | |
8ec5e241 | 370 | MAGIC* mg; |
a0d0e21e LW |
371 | |
372 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
14befaf4 | 373 | mg = mg_find(sv, PERL_MAGIC_regex_global); |
565764a8 | 374 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 | 375 | I32 i = mg->mg_len; |
7e2040f0 | 376 | if (DO_UTF8(sv)) |
a0ed51b3 LW |
377 | sv_pos_b2u(sv, &i); |
378 | PUSHi(i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
379 | RETURN; |
380 | } | |
381 | } | |
382 | RETPUSHUNDEF; | |
383 | } | |
384 | } | |
385 | ||
79072805 LW |
386 | PP(pp_rv2cv) |
387 | { | |
39644a26 | 388 | dSP; |
79072805 LW |
389 | GV *gv; |
390 | HV *stash; | |
8990e307 | 391 | |
4633a7c4 LW |
392 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
393 | /* (But not in defined().) */ | |
533c011a | 394 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
07055b4c CS |
395 | if (cv) { |
396 | if (CvCLONE(cv)) | |
397 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
d32f2495 SC |
398 | if ((PL_op->op_private & OPpLVAL_INTRO)) { |
399 | if (gv && GvCV(gv) == cv && (gv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), FALSE))) | |
400 | cv = GvCV(gv); | |
401 | if (!CvLVALUE(cv)) | |
402 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); | |
403 | } | |
07055b4c CS |
404 | } |
405 | else | |
3280af22 | 406 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
407 | SETs((SV*)cv); |
408 | RETURN; | |
409 | } | |
410 | ||
c07a80fd | 411 | PP(pp_prototype) |
412 | { | |
39644a26 | 413 | dSP; |
c07a80fd | 414 | CV *cv; |
415 | HV *stash; | |
416 | GV *gv; | |
417 | SV *ret; | |
418 | ||
3280af22 | 419 | ret = &PL_sv_undef; |
b6c543e3 IZ |
420 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
421 | char *s = SvPVX(TOPs); | |
422 | if (strnEQ(s, "CORE::", 6)) { | |
423 | int code; | |
b13b2135 | 424 | |
b6c543e3 IZ |
425 | code = keyword(s + 6, SvCUR(TOPs) - 6); |
426 | if (code < 0) { /* Overridable. */ | |
427 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
428 | int i = 0, n = 0, seen_question = 0; | |
429 | I32 oa; | |
430 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
431 | ||
432 | while (i < MAXO) { /* The slow way. */ | |
22c35a8c GS |
433 | if (strEQ(s + 6, PL_op_name[i]) |
434 | || strEQ(s + 6, PL_op_desc[i])) | |
435 | { | |
b6c543e3 | 436 | goto found; |
22c35a8c | 437 | } |
b6c543e3 IZ |
438 | i++; |
439 | } | |
440 | goto nonesuch; /* Should not happen... */ | |
441 | found: | |
22c35a8c | 442 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 | 443 | while (oa) { |
3012a639 | 444 | if (oa & OA_OPTIONAL && !seen_question) { |
b6c543e3 IZ |
445 | seen_question = 1; |
446 | str[n++] = ';'; | |
ef54e1a4 | 447 | } |
b13b2135 | 448 | else if (n && str[0] == ';' && seen_question) |
b6c543e3 | 449 | goto set; /* XXXX system, exec */ |
b13b2135 | 450 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
6e97e420 SC |
451 | && (oa & (OA_OPTIONAL - 1)) <= OA_SCALARREF |
452 | /* But globs are already references (kinda) */ | |
453 | && (oa & (OA_OPTIONAL - 1)) != OA_FILEREF | |
454 | ) { | |
b6c543e3 IZ |
455 | str[n++] = '\\'; |
456 | } | |
b6c543e3 IZ |
457 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; |
458 | oa = oa >> 4; | |
459 | } | |
460 | str[n++] = '\0'; | |
79cb57f6 | 461 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
462 | } |
463 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
464 | goto set; |
465 | else { /* None such */ | |
466 | nonesuch: | |
d470f89e | 467 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
468 | } |
469 | } | |
470 | } | |
c07a80fd | 471 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 472 | if (cv && SvPOK(cv)) |
79cb57f6 | 473 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
b6c543e3 | 474 | set: |
c07a80fd | 475 | SETs(ret); |
476 | RETURN; | |
477 | } | |
478 | ||
a0d0e21e LW |
479 | PP(pp_anoncode) |
480 | { | |
39644a26 | 481 | dSP; |
533c011a | 482 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
a5f75d66 | 483 | if (CvCLONE(cv)) |
b355b4e0 | 484 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 485 | EXTEND(SP,1); |
748a9306 | 486 | PUSHs((SV*)cv); |
a0d0e21e LW |
487 | RETURN; |
488 | } | |
489 | ||
490 | PP(pp_srefgen) | |
79072805 | 491 | { |
39644a26 | 492 | dSP; |
71be2cbc | 493 | *SP = refto(*SP); |
79072805 | 494 | RETURN; |
8ec5e241 | 495 | } |
a0d0e21e LW |
496 | |
497 | PP(pp_refgen) | |
498 | { | |
39644a26 | 499 | dSP; dMARK; |
a0d0e21e | 500 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
501 | if (++MARK <= SP) |
502 | *MARK = *SP; | |
503 | else | |
3280af22 | 504 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
505 | *MARK = refto(*MARK); |
506 | SP = MARK; | |
507 | RETURN; | |
a0d0e21e | 508 | } |
bbce6d69 | 509 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 510 | while (++MARK <= SP) |
511 | *MARK = refto(*MARK); | |
a0d0e21e | 512 | RETURN; |
79072805 LW |
513 | } |
514 | ||
76e3520e | 515 | STATIC SV* |
cea2e8a9 | 516 | S_refto(pTHX_ SV *sv) |
71be2cbc | 517 | { |
518 | SV* rv; | |
519 | ||
520 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
521 | if (LvTARGLEN(sv)) | |
68dc0745 | 522 | vivify_defelem(sv); |
523 | if (!(sv = LvTARG(sv))) | |
3280af22 | 524 | sv = &PL_sv_undef; |
0dd88869 | 525 | else |
a6c40364 | 526 | (void)SvREFCNT_inc(sv); |
71be2cbc | 527 | } |
d8b46c1b GS |
528 | else if (SvTYPE(sv) == SVt_PVAV) { |
529 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
530 | av_reify((AV*)sv); | |
531 | SvTEMP_off(sv); | |
532 | (void)SvREFCNT_inc(sv); | |
533 | } | |
71be2cbc | 534 | else if (SvPADTMP(sv)) |
535 | sv = newSVsv(sv); | |
536 | else { | |
537 | SvTEMP_off(sv); | |
538 | (void)SvREFCNT_inc(sv); | |
539 | } | |
540 | rv = sv_newmortal(); | |
541 | sv_upgrade(rv, SVt_RV); | |
542 | SvRV(rv) = sv; | |
543 | SvROK_on(rv); | |
544 | return rv; | |
545 | } | |
546 | ||
79072805 LW |
547 | PP(pp_ref) |
548 | { | |
39644a26 | 549 | dSP; dTARGET; |
463ee0b2 | 550 | SV *sv; |
79072805 LW |
551 | char *pv; |
552 | ||
a0d0e21e | 553 | sv = POPs; |
f12c7020 | 554 | |
555 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 556 | mg_get(sv); |
f12c7020 | 557 | |
a0d0e21e | 558 | if (!sv || !SvROK(sv)) |
4633a7c4 | 559 | RETPUSHNO; |
79072805 | 560 | |
ed6116ce | 561 | sv = SvRV(sv); |
a0d0e21e | 562 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 563 | PUSHp(pv, strlen(pv)); |
79072805 LW |
564 | RETURN; |
565 | } | |
566 | ||
567 | PP(pp_bless) | |
568 | { | |
39644a26 | 569 | dSP; |
463ee0b2 | 570 | HV *stash; |
79072805 | 571 | |
463ee0b2 | 572 | if (MAXARG == 1) |
11faa288 | 573 | stash = CopSTASH(PL_curcop); |
7b8d334a GS |
574 | else { |
575 | SV *ssv = POPs; | |
576 | STRLEN len; | |
81689caa HS |
577 | char *ptr; |
578 | ||
016a42f3 | 579 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
81689caa HS |
580 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
581 | ptr = SvPV(ssv,len); | |
e476b1b5 | 582 | if (ckWARN(WARN_MISC) && len == 0) |
b13b2135 | 583 | Perl_warner(aTHX_ WARN_MISC, |
599cee73 | 584 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
585 | stash = gv_stashpvn(ptr, len, TRUE); |
586 | } | |
a0d0e21e | 587 | |
5d3fdfeb | 588 | (void)sv_bless(TOPs, stash); |
79072805 LW |
589 | RETURN; |
590 | } | |
591 | ||
fb73857a | 592 | PP(pp_gelem) |
593 | { | |
594 | GV *gv; | |
595 | SV *sv; | |
76e3520e | 596 | SV *tmpRef; |
fb73857a | 597 | char *elem; |
39644a26 | 598 | dSP; |
2d8e6c8d | 599 | STRLEN n_a; |
b13b2135 | 600 | |
fb73857a | 601 | sv = POPs; |
2d8e6c8d | 602 | elem = SvPV(sv, n_a); |
fb73857a | 603 | gv = (GV*)POPs; |
76e3520e | 604 | tmpRef = Nullsv; |
fb73857a | 605 | sv = Nullsv; |
606 | switch (elem ? *elem : '\0') | |
607 | { | |
608 | case 'A': | |
609 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 610 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 611 | break; |
612 | case 'C': | |
613 | if (strEQ(elem, "CODE")) | |
76e3520e | 614 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 615 | break; |
616 | case 'F': | |
617 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ | |
76e3520e | 618 | tmpRef = (SV*)GvIOp(gv); |
f4d13ee9 JH |
619 | else |
620 | if (strEQ(elem, "FORMAT")) | |
621 | tmpRef = (SV*)GvFORM(gv); | |
fb73857a | 622 | break; |
623 | case 'G': | |
624 | if (strEQ(elem, "GLOB")) | |
76e3520e | 625 | tmpRef = (SV*)gv; |
fb73857a | 626 | break; |
627 | case 'H': | |
628 | if (strEQ(elem, "HASH")) | |
76e3520e | 629 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 630 | break; |
631 | case 'I': | |
632 | if (strEQ(elem, "IO")) | |
76e3520e | 633 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 634 | break; |
635 | case 'N': | |
636 | if (strEQ(elem, "NAME")) | |
79cb57f6 | 637 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
fb73857a | 638 | break; |
639 | case 'P': | |
640 | if (strEQ(elem, "PACKAGE")) | |
641 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
642 | break; | |
643 | case 'S': | |
644 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 645 | tmpRef = GvSV(gv); |
fb73857a | 646 | break; |
647 | } | |
76e3520e GS |
648 | if (tmpRef) |
649 | sv = newRV(tmpRef); | |
fb73857a | 650 | if (sv) |
651 | sv_2mortal(sv); | |
652 | else | |
3280af22 | 653 | sv = &PL_sv_undef; |
fb73857a | 654 | XPUSHs(sv); |
655 | RETURN; | |
656 | } | |
657 | ||
a0d0e21e | 658 | /* Pattern matching */ |
79072805 | 659 | |
a0d0e21e | 660 | PP(pp_study) |
79072805 | 661 | { |
39644a26 | 662 | dSP; dPOPss; |
a0d0e21e LW |
663 | register unsigned char *s; |
664 | register I32 pos; | |
665 | register I32 ch; | |
666 | register I32 *sfirst; | |
667 | register I32 *snext; | |
a0d0e21e LW |
668 | STRLEN len; |
669 | ||
3280af22 | 670 | if (sv == PL_lastscream) { |
1e422769 | 671 | if (SvSCREAM(sv)) |
672 | RETPUSHYES; | |
673 | } | |
c07a80fd | 674 | else { |
3280af22 NIS |
675 | if (PL_lastscream) { |
676 | SvSCREAM_off(PL_lastscream); | |
677 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 678 | } |
3280af22 | 679 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 680 | } |
1e422769 | 681 | |
682 | s = (unsigned char*)(SvPV(sv, len)); | |
683 | pos = len; | |
684 | if (pos <= 0) | |
685 | RETPUSHNO; | |
3280af22 NIS |
686 | if (pos > PL_maxscream) { |
687 | if (PL_maxscream < 0) { | |
688 | PL_maxscream = pos + 80; | |
689 | New(301, PL_screamfirst, 256, I32); | |
690 | New(302, PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
691 | } |
692 | else { | |
3280af22 NIS |
693 | PL_maxscream = pos + pos / 4; |
694 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 695 | } |
79072805 | 696 | } |
a0d0e21e | 697 | |
3280af22 NIS |
698 | sfirst = PL_screamfirst; |
699 | snext = PL_screamnext; | |
a0d0e21e LW |
700 | |
701 | if (!sfirst || !snext) | |
cea2e8a9 | 702 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
703 | |
704 | for (ch = 256; ch; --ch) | |
705 | *sfirst++ = -1; | |
706 | sfirst -= 256; | |
707 | ||
708 | while (--pos >= 0) { | |
709 | ch = s[pos]; | |
710 | if (sfirst[ch] >= 0) | |
711 | snext[pos] = sfirst[ch] - pos; | |
712 | else | |
713 | snext[pos] = -pos; | |
714 | sfirst[ch] = pos; | |
79072805 LW |
715 | } |
716 | ||
c07a80fd | 717 | SvSCREAM_on(sv); |
14befaf4 DM |
718 | /* piggyback on m//g magic */ |
719 | sv_magic(sv, Nullsv, PERL_MAGIC_regex_global, Nullch, 0); | |
1e422769 | 720 | RETPUSHYES; |
79072805 LW |
721 | } |
722 | ||
a0d0e21e | 723 | PP(pp_trans) |
79072805 | 724 | { |
39644a26 | 725 | dSP; dTARG; |
a0d0e21e LW |
726 | SV *sv; |
727 | ||
533c011a | 728 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 729 | sv = POPs; |
79072805 | 730 | else { |
54b9620d | 731 | sv = DEFSV; |
a0d0e21e | 732 | EXTEND(SP,1); |
79072805 | 733 | } |
adbc6bb1 | 734 | TARG = sv_newmortal(); |
4757a243 | 735 | PUSHi(do_trans(sv)); |
a0d0e21e | 736 | RETURN; |
79072805 LW |
737 | } |
738 | ||
a0d0e21e | 739 | /* Lvalue operators. */ |
79072805 | 740 | |
a0d0e21e LW |
741 | PP(pp_schop) |
742 | { | |
39644a26 | 743 | dSP; dTARGET; |
a0d0e21e LW |
744 | do_chop(TARG, TOPs); |
745 | SETTARG; | |
746 | RETURN; | |
79072805 LW |
747 | } |
748 | ||
a0d0e21e | 749 | PP(pp_chop) |
79072805 | 750 | { |
2ec6af5f RG |
751 | dSP; dMARK; dTARGET; dORIGMARK; |
752 | while (MARK < SP) | |
753 | do_chop(TARG, *++MARK); | |
754 | SP = ORIGMARK; | |
a0d0e21e LW |
755 | PUSHTARG; |
756 | RETURN; | |
79072805 LW |
757 | } |
758 | ||
a0d0e21e | 759 | PP(pp_schomp) |
79072805 | 760 | { |
39644a26 | 761 | dSP; dTARGET; |
a0d0e21e LW |
762 | SETi(do_chomp(TOPs)); |
763 | RETURN; | |
79072805 LW |
764 | } |
765 | ||
a0d0e21e | 766 | PP(pp_chomp) |
79072805 | 767 | { |
39644a26 | 768 | dSP; dMARK; dTARGET; |
a0d0e21e | 769 | register I32 count = 0; |
8ec5e241 | 770 | |
a0d0e21e LW |
771 | while (SP > MARK) |
772 | count += do_chomp(POPs); | |
773 | PUSHi(count); | |
774 | RETURN; | |
79072805 LW |
775 | } |
776 | ||
a0d0e21e | 777 | PP(pp_defined) |
463ee0b2 | 778 | { |
39644a26 | 779 | dSP; |
a0d0e21e LW |
780 | register SV* sv; |
781 | ||
782 | sv = POPs; | |
783 | if (!sv || !SvANY(sv)) | |
784 | RETPUSHNO; | |
785 | switch (SvTYPE(sv)) { | |
786 | case SVt_PVAV: | |
14befaf4 DM |
787 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) |
788 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
a0d0e21e LW |
789 | RETPUSHYES; |
790 | break; | |
791 | case SVt_PVHV: | |
14befaf4 DM |
792 | if (HvARRAY(sv) || SvGMAGICAL(sv) |
793 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
a0d0e21e LW |
794 | RETPUSHYES; |
795 | break; | |
796 | case SVt_PVCV: | |
797 | if (CvROOT(sv) || CvXSUB(sv)) | |
798 | RETPUSHYES; | |
799 | break; | |
800 | default: | |
801 | if (SvGMAGICAL(sv)) | |
802 | mg_get(sv); | |
803 | if (SvOK(sv)) | |
804 | RETPUSHYES; | |
805 | } | |
806 | RETPUSHNO; | |
463ee0b2 LW |
807 | } |
808 | ||
a0d0e21e LW |
809 | PP(pp_undef) |
810 | { | |
39644a26 | 811 | dSP; |
a0d0e21e LW |
812 | SV *sv; |
813 | ||
533c011a | 814 | if (!PL_op->op_private) { |
774d564b | 815 | EXTEND(SP, 1); |
a0d0e21e | 816 | RETPUSHUNDEF; |
774d564b | 817 | } |
79072805 | 818 | |
a0d0e21e LW |
819 | sv = POPs; |
820 | if (!sv) | |
821 | RETPUSHUNDEF; | |
85e6fe83 | 822 | |
6fc92669 GS |
823 | if (SvTHINKFIRST(sv)) |
824 | sv_force_normal(sv); | |
85e6fe83 | 825 | |
a0d0e21e LW |
826 | switch (SvTYPE(sv)) { |
827 | case SVt_NULL: | |
828 | break; | |
829 | case SVt_PVAV: | |
830 | av_undef((AV*)sv); | |
831 | break; | |
832 | case SVt_PVHV: | |
833 | hv_undef((HV*)sv); | |
834 | break; | |
835 | case SVt_PVCV: | |
e476b1b5 GS |
836 | if (ckWARN(WARN_MISC) && cv_const_sv((CV*)sv)) |
837 | Perl_warner(aTHX_ WARN_MISC, "Constant subroutine %s undefined", | |
54310121 | 838 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 839 | /* FALL THROUGH */ |
840 | case SVt_PVFM: | |
6fc92669 GS |
841 | { |
842 | /* let user-undef'd sub keep its identity */ | |
65c50114 | 843 | GV* gv = CvGV((CV*)sv); |
6fc92669 GS |
844 | cv_undef((CV*)sv); |
845 | CvGV((CV*)sv) = gv; | |
846 | } | |
a0d0e21e | 847 | break; |
8e07c86e | 848 | case SVt_PVGV: |
44a8e56a | 849 | if (SvFAKE(sv)) |
3280af22 | 850 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
851 | else { |
852 | GP *gp; | |
853 | gp_free((GV*)sv); | |
854 | Newz(602, gp, 1, GP); | |
855 | GvGP(sv) = gp_ref(gp); | |
856 | GvSV(sv) = NEWSV(72,0); | |
57843af0 | 857 | GvLINE(sv) = CopLINE(PL_curcop); |
20408e3c GS |
858 | GvEGV(sv) = (GV*)sv; |
859 | GvMULTI_on(sv); | |
860 | } | |
44a8e56a | 861 | break; |
a0d0e21e | 862 | default: |
1e422769 | 863 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
864 | (void)SvOOK_off(sv); |
865 | Safefree(SvPVX(sv)); | |
866 | SvPV_set(sv, Nullch); | |
867 | SvLEN_set(sv, 0); | |
a0d0e21e | 868 | } |
4633a7c4 LW |
869 | (void)SvOK_off(sv); |
870 | SvSETMAGIC(sv); | |
79072805 | 871 | } |
a0d0e21e LW |
872 | |
873 | RETPUSHUNDEF; | |
79072805 LW |
874 | } |
875 | ||
a0d0e21e | 876 | PP(pp_predec) |
79072805 | 877 | { |
39644a26 | 878 | dSP; |
68dc0745 | 879 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 880 | DIE(aTHX_ PL_no_modify); |
25da4f38 | 881 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 882 | SvIVX(TOPs) != IV_MIN) |
883 | { | |
748a9306 | 884 | --SvIVX(TOPs); |
55497cff | 885 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
886 | } |
887 | else | |
888 | sv_dec(TOPs); | |
a0d0e21e LW |
889 | SvSETMAGIC(TOPs); |
890 | return NORMAL; | |
891 | } | |
79072805 | 892 | |
a0d0e21e LW |
893 | PP(pp_postinc) |
894 | { | |
39644a26 | 895 | dSP; dTARGET; |
68dc0745 | 896 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 897 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 898 | sv_setsv(TARG, TOPs); |
25da4f38 | 899 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 900 | SvIVX(TOPs) != IV_MAX) |
901 | { | |
748a9306 | 902 | ++SvIVX(TOPs); |
55497cff | 903 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
904 | } |
905 | else | |
906 | sv_inc(TOPs); | |
a0d0e21e LW |
907 | SvSETMAGIC(TOPs); |
908 | if (!SvOK(TARG)) | |
909 | sv_setiv(TARG, 0); | |
910 | SETs(TARG); | |
911 | return NORMAL; | |
912 | } | |
79072805 | 913 | |
a0d0e21e LW |
914 | PP(pp_postdec) |
915 | { | |
39644a26 | 916 | dSP; dTARGET; |
43192e07 | 917 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 918 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 919 | sv_setsv(TARG, TOPs); |
25da4f38 | 920 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 921 | SvIVX(TOPs) != IV_MIN) |
922 | { | |
748a9306 | 923 | --SvIVX(TOPs); |
55497cff | 924 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
925 | } |
926 | else | |
927 | sv_dec(TOPs); | |
a0d0e21e LW |
928 | SvSETMAGIC(TOPs); |
929 | SETs(TARG); | |
930 | return NORMAL; | |
931 | } | |
79072805 | 932 | |
a0d0e21e LW |
933 | /* Ordinary operators. */ |
934 | ||
935 | PP(pp_pow) | |
936 | { | |
39644a26 | 937 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
938 | { |
939 | dPOPTOPnnrl; | |
73b309ea | 940 | SETn( Perl_pow( left, right) ); |
a0d0e21e | 941 | RETURN; |
93a17b20 | 942 | } |
a0d0e21e LW |
943 | } |
944 | ||
945 | PP(pp_multiply) | |
946 | { | |
39644a26 | 947 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
28e5dec8 JH |
948 | #ifdef PERL_PRESERVE_IVUV |
949 | SvIV_please(TOPs); | |
950 | if (SvIOK(TOPs)) { | |
951 | /* Unless the left argument is integer in range we are going to have to | |
952 | use NV maths. Hence only attempt to coerce the right argument if | |
953 | we know the left is integer. */ | |
954 | /* Left operand is defined, so is it IV? */ | |
955 | SvIV_please(TOPm1s); | |
956 | if (SvIOK(TOPm1s)) { | |
957 | bool auvok = SvUOK(TOPm1s); | |
958 | bool buvok = SvUOK(TOPs); | |
959 | const UV topmask = (~ (UV)0) << (4 * sizeof (UV)); | |
960 | const UV botmask = ~((~ (UV)0) << (4 * sizeof (UV))); | |
961 | UV alow; | |
962 | UV ahigh; | |
963 | UV blow; | |
964 | UV bhigh; | |
965 | ||
966 | if (auvok) { | |
967 | alow = SvUVX(TOPm1s); | |
968 | } else { | |
969 | IV aiv = SvIVX(TOPm1s); | |
970 | if (aiv >= 0) { | |
971 | alow = aiv; | |
972 | auvok = TRUE; /* effectively it's a UV now */ | |
973 | } else { | |
974 | alow = -aiv; /* abs, auvok == false records sign */ | |
975 | } | |
976 | } | |
977 | if (buvok) { | |
978 | blow = SvUVX(TOPs); | |
979 | } else { | |
980 | IV biv = SvIVX(TOPs); | |
981 | if (biv >= 0) { | |
982 | blow = biv; | |
983 | buvok = TRUE; /* effectively it's a UV now */ | |
984 | } else { | |
985 | blow = -biv; /* abs, buvok == false records sign */ | |
986 | } | |
987 | } | |
988 | ||
989 | /* If this does sign extension on unsigned it's time for plan B */ | |
990 | ahigh = alow >> (4 * sizeof (UV)); | |
991 | alow &= botmask; | |
992 | bhigh = blow >> (4 * sizeof (UV)); | |
993 | blow &= botmask; | |
994 | if (ahigh && bhigh) { | |
995 | /* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000 | |
996 | which is overflow. Drop to NVs below. */ | |
997 | } else if (!ahigh && !bhigh) { | |
998 | /* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001 | |
999 | so the unsigned multiply cannot overflow. */ | |
1000 | UV product = alow * blow; | |
1001 | if (auvok == buvok) { | |
1002 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
1003 | SP--; | |
1004 | SETu( product ); | |
1005 | RETURN; | |
1006 | } else if (product <= (UV)IV_MIN) { | |
1007 | /* 2s complement assumption that (UV)-IV_MIN is correct. */ | |
1008 | /* -ve result, which could overflow an IV */ | |
1009 | SP--; | |
1010 | SETi( -product ); | |
1011 | RETURN; | |
1012 | } /* else drop to NVs below. */ | |
1013 | } else { | |
1014 | /* One operand is large, 1 small */ | |
1015 | UV product_middle; | |
1016 | if (bhigh) { | |
1017 | /* swap the operands */ | |
1018 | ahigh = bhigh; | |
1019 | bhigh = blow; /* bhigh now the temp var for the swap */ | |
1020 | blow = alow; | |
1021 | alow = bhigh; | |
1022 | } | |
1023 | /* now, ((ahigh * blow) << half_UV_len) + (alow * blow) | |
1024 | multiplies can't overflow. shift can, add can, -ve can. */ | |
1025 | product_middle = ahigh * blow; | |
1026 | if (!(product_middle & topmask)) { | |
1027 | /* OK, (ahigh * blow) won't lose bits when we shift it. */ | |
1028 | UV product_low; | |
1029 | product_middle <<= (4 * sizeof (UV)); | |
1030 | product_low = alow * blow; | |
1031 | ||
1032 | /* as for pp_add, UV + something mustn't get smaller. | |
1033 | IIRC ANSI mandates this wrapping *behaviour* for | |
1034 | unsigned whatever the actual representation*/ | |
1035 | product_low += product_middle; | |
1036 | if (product_low >= product_middle) { | |
1037 | /* didn't overflow */ | |
1038 | if (auvok == buvok) { | |
1039 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
1040 | SP--; | |
1041 | SETu( product_low ); | |
1042 | RETURN; | |
1043 | } else if (product_low <= (UV)IV_MIN) { | |
1044 | /* 2s complement assumption again */ | |
1045 | /* -ve result, which could overflow an IV */ | |
1046 | SP--; | |
1047 | SETi( -product_low ); | |
1048 | RETURN; | |
1049 | } /* else drop to NVs below. */ | |
1050 | } | |
1051 | } /* product_middle too large */ | |
1052 | } /* ahigh && bhigh */ | |
1053 | } /* SvIOK(TOPm1s) */ | |
1054 | } /* SvIOK(TOPs) */ | |
1055 | #endif | |
a0d0e21e LW |
1056 | { |
1057 | dPOPTOPnnrl; | |
1058 | SETn( left * right ); | |
1059 | RETURN; | |
79072805 | 1060 | } |
a0d0e21e LW |
1061 | } |
1062 | ||
1063 | PP(pp_divide) | |
1064 | { | |
39644a26 | 1065 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e | 1066 | { |
77676ba1 | 1067 | dPOPPOPnnrl; |
65202027 | 1068 | NV value; |
7a4c00b4 | 1069 | if (right == 0.0) |
cea2e8a9 | 1070 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
1071 | #ifdef SLOPPYDIVIDE |
1072 | /* insure that 20./5. == 4. */ | |
1073 | { | |
7a4c00b4 | 1074 | IV k; |
65202027 DS |
1075 | if ((NV)I_V(left) == left && |
1076 | (NV)I_V(right) == right && | |
7a4c00b4 | 1077 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { |
a0d0e21e | 1078 | value = k; |
ef54e1a4 JH |
1079 | } |
1080 | else { | |
7a4c00b4 | 1081 | value = left / right; |
79072805 | 1082 | } |
a0d0e21e LW |
1083 | } |
1084 | #else | |
7a4c00b4 | 1085 | value = left / right; |
a0d0e21e LW |
1086 | #endif |
1087 | PUSHn( value ); | |
1088 | RETURN; | |
79072805 | 1089 | } |
a0d0e21e LW |
1090 | } |
1091 | ||
1092 | PP(pp_modulo) | |
1093 | { | |
39644a26 | 1094 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 1095 | { |
787eafbd IZ |
1096 | UV left; |
1097 | UV right; | |
1098 | bool left_neg; | |
1099 | bool right_neg; | |
1100 | bool use_double = 0; | |
65202027 DS |
1101 | NV dright; |
1102 | NV dleft; | |
787eafbd | 1103 | |
d658dc55 | 1104 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
787eafbd IZ |
1105 | IV i = SvIVX(POPs); |
1106 | right = (right_neg = (i < 0)) ? -i : i; | |
1107 | } | |
1108 | else { | |
1109 | dright = POPn; | |
1110 | use_double = 1; | |
1111 | right_neg = dright < 0; | |
1112 | if (right_neg) | |
1113 | dright = -dright; | |
1114 | } | |
a0d0e21e | 1115 | |
d658dc55 | 1116 | if (!use_double && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
787eafbd IZ |
1117 | IV i = SvIVX(POPs); |
1118 | left = (left_neg = (i < 0)) ? -i : i; | |
1119 | } | |
1120 | else { | |
1121 | dleft = POPn; | |
1122 | if (!use_double) { | |
a1bd196e GS |
1123 | use_double = 1; |
1124 | dright = right; | |
787eafbd IZ |
1125 | } |
1126 | left_neg = dleft < 0; | |
1127 | if (left_neg) | |
1128 | dleft = -dleft; | |
1129 | } | |
68dc0745 | 1130 | |
787eafbd | 1131 | if (use_double) { |
65202027 | 1132 | NV dans; |
787eafbd IZ |
1133 | |
1134 | #if 1 | |
787eafbd IZ |
1135 | /* Somehow U_V is pessimized even if CASTFLAGS is 0 */ |
1136 | # if CASTFLAGS & 2 | |
1137 | # define CAST_D2UV(d) U_V(d) | |
1138 | # else | |
1139 | # define CAST_D2UV(d) ((UV)(d)) | |
1140 | # endif | |
a1bd196e GS |
1141 | /* Tried to do this only in the case DOUBLESIZE <= UV_SIZE, |
1142 | * or, in other words, precision of UV more than of NV. | |
1143 | * But in fact the approach below turned out to be an | |
1144 | * optimization - floor() may be slow */ | |
787eafbd IZ |
1145 | if (dright <= UV_MAX && dleft <= UV_MAX) { |
1146 | right = CAST_D2UV(dright); | |
1147 | left = CAST_D2UV(dleft); | |
1148 | goto do_uv; | |
1149 | } | |
1150 | #endif | |
1151 | ||
1152 | /* Backward-compatibility clause: */ | |
73b309ea JH |
1153 | dright = Perl_floor(dright + 0.5); |
1154 | dleft = Perl_floor(dleft + 0.5); | |
787eafbd IZ |
1155 | |
1156 | if (!dright) | |
cea2e8a9 | 1157 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd | 1158 | |
65202027 | 1159 | dans = Perl_fmod(dleft, dright); |
787eafbd IZ |
1160 | if ((left_neg != right_neg) && dans) |
1161 | dans = dright - dans; | |
1162 | if (right_neg) | |
1163 | dans = -dans; | |
1164 | sv_setnv(TARG, dans); | |
1165 | } | |
1166 | else { | |
1167 | UV ans; | |
1168 | ||
1169 | do_uv: | |
1170 | if (!right) | |
cea2e8a9 | 1171 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1172 | |
1173 | ans = left % right; | |
1174 | if ((left_neg != right_neg) && ans) | |
1175 | ans = right - ans; | |
1176 | if (right_neg) { | |
1177 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1178 | /* could change -foo to be (~foo)+1 instead */ | |
1179 | if (ans <= ~((UV)IV_MAX)+1) | |
1180 | sv_setiv(TARG, ~ans+1); | |
1181 | else | |
65202027 | 1182 | sv_setnv(TARG, -(NV)ans); |
787eafbd IZ |
1183 | } |
1184 | else | |
1185 | sv_setuv(TARG, ans); | |
1186 | } | |
1187 | PUSHTARG; | |
1188 | RETURN; | |
79072805 | 1189 | } |
a0d0e21e | 1190 | } |
79072805 | 1191 | |
a0d0e21e LW |
1192 | PP(pp_repeat) |
1193 | { | |
39644a26 | 1194 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1195 | { |
467f0320 | 1196 | register IV count = POPi; |
533c011a | 1197 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
1198 | dMARK; |
1199 | I32 items = SP - MARK; | |
1200 | I32 max; | |
79072805 | 1201 | |
a0d0e21e LW |
1202 | max = items * count; |
1203 | MEXTEND(MARK, max); | |
1204 | if (count > 1) { | |
1205 | while (SP > MARK) { | |
1206 | if (*SP) | |
1207 | SvTEMP_off((*SP)); | |
1208 | SP--; | |
79072805 | 1209 | } |
a0d0e21e LW |
1210 | MARK++; |
1211 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1212 | items * sizeof(SV*), count - 1); | |
1213 | SP += max; | |
79072805 | 1214 | } |
a0d0e21e LW |
1215 | else if (count <= 0) |
1216 | SP -= items; | |
79072805 | 1217 | } |
a0d0e21e | 1218 | else { /* Note: mark already snarfed by pp_list */ |
dfcb284a | 1219 | SV *tmpstr = POPs; |
a0d0e21e | 1220 | STRLEN len; |
9b877dbb | 1221 | bool isutf; |
a0d0e21e | 1222 | |
a0d0e21e LW |
1223 | SvSetSV(TARG, tmpstr); |
1224 | SvPV_force(TARG, len); | |
9b877dbb | 1225 | isutf = DO_UTF8(TARG); |
8ebc5c01 | 1226 | if (count != 1) { |
1227 | if (count < 1) | |
1228 | SvCUR_set(TARG, 0); | |
1229 | else { | |
1230 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1231 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1232 | SvCUR(TARG) *= count; |
7a4c00b4 | 1233 | } |
a0d0e21e | 1234 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1235 | } |
dfcb284a GS |
1236 | if (isutf) |
1237 | (void)SvPOK_only_UTF8(TARG); | |
1238 | else | |
1239 | (void)SvPOK_only(TARG); | |
b80b6069 RH |
1240 | |
1241 | if (PL_op->op_private & OPpREPEAT_DOLIST) { | |
1242 | /* The parser saw this as a list repeat, and there | |
1243 | are probably several items on the stack. But we're | |
1244 | in scalar context, and there's no pp_list to save us | |
1245 | now. So drop the rest of the items -- robin@kitsite.com | |
1246 | */ | |
1247 | dMARK; | |
1248 | SP = MARK; | |
1249 | } | |
a0d0e21e | 1250 | PUSHTARG; |
79072805 | 1251 | } |
a0d0e21e | 1252 | RETURN; |
748a9306 | 1253 | } |
a0d0e21e | 1254 | } |
79072805 | 1255 | |
a0d0e21e LW |
1256 | PP(pp_subtract) |
1257 | { | |
39644a26 | 1258 | dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
28e5dec8 JH |
1259 | useleft = USE_LEFT(TOPm1s); |
1260 | #ifdef PERL_PRESERVE_IVUV | |
7dca457a NC |
1261 | /* See comments in pp_add (in pp_hot.c) about Overflow, and how |
1262 | "bad things" happen if you rely on signed integers wrapping. */ | |
28e5dec8 JH |
1263 | SvIV_please(TOPs); |
1264 | if (SvIOK(TOPs)) { | |
1265 | /* Unless the left argument is integer in range we are going to have to | |
1266 | use NV maths. Hence only attempt to coerce the right argument if | |
1267 | we know the left is integer. */ | |
7dca457a NC |
1268 | register UV auv; |
1269 | bool auvok; | |
1270 | bool a_valid = 0; | |
1271 | ||
28e5dec8 | 1272 | if (!useleft) { |
7dca457a NC |
1273 | auv = 0; |
1274 | a_valid = auvok = 1; | |
1275 | /* left operand is undef, treat as zero. */ | |
28e5dec8 JH |
1276 | } else { |
1277 | /* Left operand is defined, so is it IV? */ | |
1278 | SvIV_please(TOPm1s); | |
1279 | if (SvIOK(TOPm1s)) { | |
7dca457a NC |
1280 | if ((auvok = SvUOK(TOPm1s))) |
1281 | auv = SvUVX(TOPm1s); | |
1282 | else { | |
1283 | register IV aiv = SvIVX(TOPm1s); | |
1284 | if (aiv >= 0) { | |
1285 | auv = aiv; | |
1286 | auvok = 1; /* Now acting as a sign flag. */ | |
1287 | } else { /* 2s complement assumption for IV_MIN */ | |
1288 | auv = (UV)-aiv; | |
28e5dec8 | 1289 | } |
7dca457a NC |
1290 | } |
1291 | a_valid = 1; | |
1292 | } | |
1293 | } | |
1294 | if (a_valid) { | |
1295 | bool result_good = 0; | |
1296 | UV result; | |
1297 | register UV buv; | |
1298 | bool buvok = SvUOK(TOPs); | |
9041c2e3 | 1299 | |
7dca457a NC |
1300 | if (buvok) |
1301 | buv = SvUVX(TOPs); | |
1302 | else { | |
1303 | register IV biv = SvIVX(TOPs); | |
1304 | if (biv >= 0) { | |
1305 | buv = biv; | |
1306 | buvok = 1; | |
1307 | } else | |
1308 | buv = (UV)-biv; | |
1309 | } | |
1310 | /* ?uvok if value is >= 0. basically, flagged as UV if it's +ve, | |
1311 | else "IV" now, independant of how it came in. | |
1312 | if a, b represents positive, A, B negative, a maps to -A etc | |
1313 | a - b => (a - b) | |
1314 | A - b => -(a + b) | |
1315 | a - B => (a + b) | |
1316 | A - B => -(a - b) | |
1317 | all UV maths. negate result if A negative. | |
1318 | subtract if signs same, add if signs differ. */ | |
1319 | ||
1320 | if (auvok ^ buvok) { | |
1321 | /* Signs differ. */ | |
1322 | result = auv + buv; | |
1323 | if (result >= auv) | |
1324 | result_good = 1; | |
1325 | } else { | |
1326 | /* Signs same */ | |
1327 | if (auv >= buv) { | |
1328 | result = auv - buv; | |
1329 | /* Must get smaller */ | |
1330 | if (result <= auv) | |
1331 | result_good = 1; | |
1332 | } else { | |
1333 | result = buv - auv; | |
1334 | if (result <= buv) { | |
1335 | /* result really should be -(auv-buv). as its negation | |
1336 | of true value, need to swap our result flag */ | |
1337 | auvok = !auvok; | |
1338 | result_good = 1; | |
28e5dec8 | 1339 | } |
28e5dec8 JH |
1340 | } |
1341 | } | |
7dca457a NC |
1342 | if (result_good) { |
1343 | SP--; | |
1344 | if (auvok) | |
1345 | SETu( result ); | |
1346 | else { | |
1347 | /* Negate result */ | |
1348 | if (result <= (UV)IV_MIN) | |
1349 | SETi( -(IV)result ); | |
1350 | else { | |
1351 | /* result valid, but out of range for IV. */ | |
1352 | SETn( -(NV)result ); | |
1353 | } | |
1354 | } | |
1355 | RETURN; | |
1356 | } /* Overflow, drop through to NVs. */ | |
28e5dec8 JH |
1357 | } |
1358 | } | |
1359 | #endif | |
7dca457a | 1360 | useleft = USE_LEFT(TOPm1s); |
a0d0e21e | 1361 | { |
28e5dec8 JH |
1362 | dPOPnv; |
1363 | if (!useleft) { | |
1364 | /* left operand is undef, treat as zero - value */ | |
1365 | SETn(-value); | |
1366 | RETURN; | |
1367 | } | |
1368 | SETn( TOPn - value ); | |
1369 | RETURN; | |
79072805 | 1370 | } |
a0d0e21e | 1371 | } |
79072805 | 1372 | |
a0d0e21e LW |
1373 | PP(pp_left_shift) |
1374 | { | |
39644a26 | 1375 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1376 | { |
972b05a9 | 1377 | IV shift = POPi; |
d0ba1bd2 | 1378 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1379 | IV i = TOPi; |
1380 | SETi(i << shift); | |
d0ba1bd2 JH |
1381 | } |
1382 | else { | |
972b05a9 JH |
1383 | UV u = TOPu; |
1384 | SETu(u << shift); | |
d0ba1bd2 | 1385 | } |
55497cff | 1386 | RETURN; |
79072805 | 1387 | } |
a0d0e21e | 1388 | } |
79072805 | 1389 | |
a0d0e21e LW |
1390 | PP(pp_right_shift) |
1391 | { | |
39644a26 | 1392 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1393 | { |
972b05a9 | 1394 | IV shift = POPi; |
d0ba1bd2 | 1395 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1396 | IV i = TOPi; |
1397 | SETi(i >> shift); | |
d0ba1bd2 JH |
1398 | } |
1399 | else { | |
972b05a9 JH |
1400 | UV u = TOPu; |
1401 | SETu(u >> shift); | |
d0ba1bd2 | 1402 | } |
a0d0e21e | 1403 | RETURN; |
93a17b20 | 1404 | } |
79072805 LW |
1405 | } |
1406 | ||
a0d0e21e | 1407 | PP(pp_lt) |
79072805 | 1408 | { |
39644a26 | 1409 | dSP; tryAMAGICbinSET(lt,0); |
28e5dec8 JH |
1410 | #ifdef PERL_PRESERVE_IVUV |
1411 | SvIV_please(TOPs); | |
1412 | if (SvIOK(TOPs)) { | |
1413 | SvIV_please(TOPm1s); | |
1414 | if (SvIOK(TOPm1s)) { | |
1415 | bool auvok = SvUOK(TOPm1s); | |
1416 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1417 | |
28e5dec8 JH |
1418 | if (!auvok && !buvok) { /* ## IV < IV ## */ |
1419 | IV aiv = SvIVX(TOPm1s); | |
1420 | IV biv = SvIVX(TOPs); | |
1421 | ||
1422 | SP--; | |
1423 | SETs(boolSV(aiv < biv)); | |
1424 | RETURN; | |
1425 | } | |
1426 | if (auvok && buvok) { /* ## UV < UV ## */ | |
1427 | UV auv = SvUVX(TOPm1s); | |
1428 | UV buv = SvUVX(TOPs); | |
1429 | ||
1430 | SP--; | |
1431 | SETs(boolSV(auv < buv)); | |
1432 | RETURN; | |
1433 | } | |
1434 | if (auvok) { /* ## UV < IV ## */ | |
1435 | UV auv; | |
1436 | IV biv; | |
1437 | ||
1438 | biv = SvIVX(TOPs); | |
1439 | SP--; | |
1440 | if (biv < 0) { | |
1441 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1442 | SETs(&PL_sv_no); | |
1443 | RETURN; | |
1444 | } | |
1445 | auv = SvUVX(TOPs); | |
1446 | if (auv >= (UV) IV_MAX) { | |
1447 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1448 | SETs(&PL_sv_no); | |
1449 | RETURN; | |
1450 | } | |
1451 | SETs(boolSV(auv < (UV)biv)); | |
1452 | RETURN; | |
1453 | } | |
1454 | { /* ## IV < UV ## */ | |
1455 | IV aiv; | |
1456 | UV buv; | |
1457 | ||
1458 | aiv = SvIVX(TOPm1s); | |
1459 | if (aiv < 0) { | |
1460 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1461 | SP--; | |
1462 | SETs(&PL_sv_yes); | |
1463 | RETURN; | |
1464 | } | |
1465 | buv = SvUVX(TOPs); | |
1466 | SP--; | |
1467 | if (buv > (UV) IV_MAX) { | |
1468 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1469 | SETs(&PL_sv_yes); | |
1470 | RETURN; | |
1471 | } | |
1472 | SETs(boolSV((UV)aiv < buv)); | |
1473 | RETURN; | |
1474 | } | |
1475 | } | |
1476 | } | |
1477 | #endif | |
a0d0e21e LW |
1478 | { |
1479 | dPOPnv; | |
54310121 | 1480 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1481 | RETURN; |
79072805 | 1482 | } |
a0d0e21e | 1483 | } |
79072805 | 1484 | |
a0d0e21e LW |
1485 | PP(pp_gt) |
1486 | { | |
39644a26 | 1487 | dSP; tryAMAGICbinSET(gt,0); |
28e5dec8 JH |
1488 | #ifdef PERL_PRESERVE_IVUV |
1489 | SvIV_please(TOPs); | |
1490 | if (SvIOK(TOPs)) { | |
1491 | SvIV_please(TOPm1s); | |
1492 | if (SvIOK(TOPm1s)) { | |
1493 | bool auvok = SvUOK(TOPm1s); | |
1494 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1495 | |
28e5dec8 JH |
1496 | if (!auvok && !buvok) { /* ## IV > IV ## */ |
1497 | IV aiv = SvIVX(TOPm1s); | |
1498 | IV biv = SvIVX(TOPs); | |
1499 | ||
1500 | SP--; | |
1501 | SETs(boolSV(aiv > biv)); | |
1502 | RETURN; | |
1503 | } | |
1504 | if (auvok && buvok) { /* ## UV > UV ## */ | |
1505 | UV auv = SvUVX(TOPm1s); | |
1506 | UV buv = SvUVX(TOPs); | |
1507 | ||
1508 | SP--; | |
1509 | SETs(boolSV(auv > buv)); | |
1510 | RETURN; | |
1511 | } | |
1512 | if (auvok) { /* ## UV > IV ## */ | |
1513 | UV auv; | |
1514 | IV biv; | |
1515 | ||
1516 | biv = SvIVX(TOPs); | |
1517 | SP--; | |
1518 | if (biv < 0) { | |
1519 | /* As (a) is a UV, it's >=0, so it must be > */ | |
1520 | SETs(&PL_sv_yes); | |
1521 | RETURN; | |
1522 | } | |
1523 | auv = SvUVX(TOPs); | |
1524 | if (auv > (UV) IV_MAX) { | |
1525 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1526 | SETs(&PL_sv_yes); | |
1527 | RETURN; | |
1528 | } | |
1529 | SETs(boolSV(auv > (UV)biv)); | |
1530 | RETURN; | |
1531 | } | |
1532 | { /* ## IV > UV ## */ | |
1533 | IV aiv; | |
1534 | UV buv; | |
1535 | ||
1536 | aiv = SvIVX(TOPm1s); | |
1537 | if (aiv < 0) { | |
1538 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
1539 | SP--; | |
1540 | SETs(&PL_sv_no); | |
1541 | RETURN; | |
1542 | } | |
1543 | buv = SvUVX(TOPs); | |
1544 | SP--; | |
1545 | if (buv >= (UV) IV_MAX) { | |
1546 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1547 | SETs(&PL_sv_no); | |
1548 | RETURN; | |
1549 | } | |
1550 | SETs(boolSV((UV)aiv > buv)); | |
1551 | RETURN; | |
1552 | } | |
1553 | } | |
1554 | } | |
1555 | #endif | |
a0d0e21e LW |
1556 | { |
1557 | dPOPnv; | |
54310121 | 1558 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1559 | RETURN; |
79072805 | 1560 | } |
a0d0e21e LW |
1561 | } |
1562 | ||
1563 | PP(pp_le) | |
1564 | { | |
39644a26 | 1565 | dSP; tryAMAGICbinSET(le,0); |
28e5dec8 JH |
1566 | #ifdef PERL_PRESERVE_IVUV |
1567 | SvIV_please(TOPs); | |
1568 | if (SvIOK(TOPs)) { | |
1569 | SvIV_please(TOPm1s); | |
1570 | if (SvIOK(TOPm1s)) { | |
1571 | bool auvok = SvUOK(TOPm1s); | |
1572 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1573 | |
28e5dec8 JH |
1574 | if (!auvok && !buvok) { /* ## IV <= IV ## */ |
1575 | IV aiv = SvIVX(TOPm1s); | |
1576 | IV biv = SvIVX(TOPs); | |
1577 | ||
1578 | SP--; | |
1579 | SETs(boolSV(aiv <= biv)); | |
1580 | RETURN; | |
1581 | } | |
1582 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
1583 | UV auv = SvUVX(TOPm1s); | |
1584 | UV buv = SvUVX(TOPs); | |
1585 | ||
1586 | SP--; | |
1587 | SETs(boolSV(auv <= buv)); | |
1588 | RETURN; | |
1589 | } | |
1590 | if (auvok) { /* ## UV <= IV ## */ | |
1591 | UV auv; | |
1592 | IV biv; | |
1593 | ||
1594 | biv = SvIVX(TOPs); | |
1595 | SP--; | |
1596 | if (biv < 0) { | |
1597 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
1598 | SETs(&PL_sv_no); | |
1599 | RETURN; | |
1600 | } | |
1601 | auv = SvUVX(TOPs); | |
1602 | if (auv > (UV) IV_MAX) { | |
1603 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1604 | SETs(&PL_sv_no); | |
1605 | RETURN; | |
1606 | } | |
1607 | SETs(boolSV(auv <= (UV)biv)); | |
1608 | RETURN; | |
1609 | } | |
1610 | { /* ## IV <= UV ## */ | |
1611 | IV aiv; | |
1612 | UV buv; | |
1613 | ||
1614 | aiv = SvIVX(TOPm1s); | |
1615 | if (aiv < 0) { | |
1616 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
1617 | SP--; | |
1618 | SETs(&PL_sv_yes); | |
1619 | RETURN; | |
1620 | } | |
1621 | buv = SvUVX(TOPs); | |
1622 | SP--; | |
1623 | if (buv >= (UV) IV_MAX) { | |
1624 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1625 | SETs(&PL_sv_yes); | |
1626 | RETURN; | |
1627 | } | |
1628 | SETs(boolSV((UV)aiv <= buv)); | |
1629 | RETURN; | |
1630 | } | |
1631 | } | |
1632 | } | |
1633 | #endif | |
a0d0e21e LW |
1634 | { |
1635 | dPOPnv; | |
54310121 | 1636 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1637 | RETURN; |
79072805 | 1638 | } |
a0d0e21e LW |
1639 | } |
1640 | ||
1641 | PP(pp_ge) | |
1642 | { | |
39644a26 | 1643 | dSP; tryAMAGICbinSET(ge,0); |
28e5dec8 JH |
1644 | #ifdef PERL_PRESERVE_IVUV |
1645 | SvIV_please(TOPs); | |
1646 | if (SvIOK(TOPs)) { | |
1647 | SvIV_please(TOPm1s); | |
1648 | if (SvIOK(TOPm1s)) { | |
1649 | bool auvok = SvUOK(TOPm1s); | |
1650 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1651 | |
28e5dec8 JH |
1652 | if (!auvok && !buvok) { /* ## IV >= IV ## */ |
1653 | IV aiv = SvIVX(TOPm1s); | |
1654 | IV biv = SvIVX(TOPs); | |
1655 | ||
1656 | SP--; | |
1657 | SETs(boolSV(aiv >= biv)); | |
1658 | RETURN; | |
1659 | } | |
1660 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
1661 | UV auv = SvUVX(TOPm1s); | |
1662 | UV buv = SvUVX(TOPs); | |
1663 | ||
1664 | SP--; | |
1665 | SETs(boolSV(auv >= buv)); | |
1666 | RETURN; | |
1667 | } | |
1668 | if (auvok) { /* ## UV >= IV ## */ | |
1669 | UV auv; | |
1670 | IV biv; | |
1671 | ||
1672 | biv = SvIVX(TOPs); | |
1673 | SP--; | |
1674 | if (biv < 0) { | |
1675 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
1676 | SETs(&PL_sv_yes); | |
1677 | RETURN; | |
1678 | } | |
1679 | auv = SvUVX(TOPs); | |
1680 | if (auv >= (UV) IV_MAX) { | |
1681 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1682 | SETs(&PL_sv_yes); | |
1683 | RETURN; | |
1684 | } | |
1685 | SETs(boolSV(auv >= (UV)biv)); | |
1686 | RETURN; | |
1687 | } | |
1688 | { /* ## IV >= UV ## */ | |
1689 | IV aiv; | |
1690 | UV buv; | |
1691 | ||
1692 | aiv = SvIVX(TOPm1s); | |
1693 | if (aiv < 0) { | |
1694 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
1695 | SP--; | |
1696 | SETs(&PL_sv_no); | |
1697 | RETURN; | |
1698 | } | |
1699 | buv = SvUVX(TOPs); | |
1700 | SP--; | |
1701 | if (buv > (UV) IV_MAX) { | |
1702 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1703 | SETs(&PL_sv_no); | |
1704 | RETURN; | |
1705 | } | |
1706 | SETs(boolSV((UV)aiv >= buv)); | |
1707 | RETURN; | |
1708 | } | |
1709 | } | |
1710 | } | |
1711 | #endif | |
a0d0e21e LW |
1712 | { |
1713 | dPOPnv; | |
54310121 | 1714 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1715 | RETURN; |
79072805 | 1716 | } |
a0d0e21e | 1717 | } |
79072805 | 1718 | |
a0d0e21e LW |
1719 | PP(pp_ne) |
1720 | { | |
16303949 | 1721 | dSP; tryAMAGICbinSET(ne,0); |
3bb2c415 JH |
1722 | #ifndef NV_PRESERVES_UV |
1723 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
c3e03cdf | 1724 | SETs(boolSV(SvRV(TOPs) != SvRV(TOPm1s))); |
3bb2c415 JH |
1725 | RETURN; |
1726 | } | |
1727 | #endif | |
28e5dec8 JH |
1728 | #ifdef PERL_PRESERVE_IVUV |
1729 | SvIV_please(TOPs); | |
1730 | if (SvIOK(TOPs)) { | |
1731 | SvIV_please(TOPm1s); | |
1732 | if (SvIOK(TOPm1s)) { | |
1733 | bool auvok = SvUOK(TOPm1s); | |
1734 | bool buvok = SvUOK(TOPs); | |
a227d84d | 1735 | |
28e5dec8 JH |
1736 | if (!auvok && !buvok) { /* ## IV <=> IV ## */ |
1737 | IV aiv = SvIVX(TOPm1s); | |
1738 | IV biv = SvIVX(TOPs); | |
1739 | ||
1740 | SP--; | |
1741 | SETs(boolSV(aiv != biv)); | |
1742 | RETURN; | |
1743 | } | |
1744 | if (auvok && buvok) { /* ## UV != UV ## */ | |
1745 | UV auv = SvUVX(TOPm1s); | |
1746 | UV buv = SvUVX(TOPs); | |
1747 | ||
1748 | SP--; | |
1749 | SETs(boolSV(auv != buv)); | |
1750 | RETURN; | |
1751 | } | |
1752 | { /* ## Mixed IV,UV ## */ | |
1753 | IV iv; | |
1754 | UV uv; | |
1755 | ||
1756 | /* != is commutative so swap if needed (save code) */ | |
1757 | if (auvok) { | |
1758 | /* swap. top of stack (b) is the iv */ | |
1759 | iv = SvIVX(TOPs); | |
1760 | SP--; | |
1761 | if (iv < 0) { | |
1762 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
1763 | SETs(&PL_sv_yes); | |
1764 | RETURN; | |
1765 | } | |
1766 | uv = SvUVX(TOPs); | |
1767 | } else { | |
1768 | iv = SvIVX(TOPm1s); | |
1769 | SP--; | |
1770 | if (iv < 0) { | |
1771 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
1772 | SETs(&PL_sv_yes); | |
1773 | RETURN; | |
1774 | } | |
1775 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
1776 | } | |
1777 | /* we know iv is >= 0 */ | |
1778 | if (uv > (UV) IV_MAX) { | |
1779 | SETs(&PL_sv_yes); | |
1780 | RETURN; | |
1781 | } | |
1782 | SETs(boolSV((UV)iv != uv)); | |
1783 | RETURN; | |
1784 | } | |
1785 | } | |
1786 | } | |
1787 | #endif | |
a0d0e21e LW |
1788 | { |
1789 | dPOPnv; | |
54310121 | 1790 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1791 | RETURN; |
1792 | } | |
79072805 LW |
1793 | } |
1794 | ||
a0d0e21e | 1795 | PP(pp_ncmp) |
79072805 | 1796 | { |
39644a26 | 1797 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
d8c7644e JH |
1798 | #ifndef NV_PRESERVES_UV |
1799 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
34d3ce40 | 1800 | SETi(PTR2UV(SvRV(TOPs)) - PTR2UV(SvRV(TOPm1s))); |
d8c7644e JH |
1801 | RETURN; |
1802 | } | |
1803 | #endif | |
28e5dec8 JH |
1804 | #ifdef PERL_PRESERVE_IVUV |
1805 | /* Fortunately it seems NaN isn't IOK */ | |
1806 | SvIV_please(TOPs); | |
1807 | if (SvIOK(TOPs)) { | |
1808 | SvIV_please(TOPm1s); | |
1809 | if (SvIOK(TOPm1s)) { | |
1810 | bool leftuvok = SvUOK(TOPm1s); | |
1811 | bool rightuvok = SvUOK(TOPs); | |
1812 | I32 value; | |
1813 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
1814 | IV leftiv = SvIVX(TOPm1s); | |
1815 | IV rightiv = SvIVX(TOPs); | |
1816 | ||
1817 | if (leftiv > rightiv) | |
1818 | value = 1; | |
1819 | else if (leftiv < rightiv) | |
1820 | value = -1; | |
1821 | else | |
1822 | value = 0; | |
1823 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
1824 | UV leftuv = SvUVX(TOPm1s); | |
1825 | UV rightuv = SvUVX(TOPs); | |
1826 | ||
1827 | if (leftuv > rightuv) | |
1828 | value = 1; | |
1829 | else if (leftuv < rightuv) | |
1830 | value = -1; | |
1831 | else | |
1832 | value = 0; | |
1833 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
1834 | UV leftuv; | |
1835 | IV rightiv; | |
1836 | ||
1837 | rightiv = SvIVX(TOPs); | |
1838 | if (rightiv < 0) { | |
1839 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
1840 | value = 1; | |
1841 | } else { | |
1842 | leftuv = SvUVX(TOPm1s); | |
1843 | if (leftuv > (UV) IV_MAX) { | |
1844 | /* As (b) is an IV, it cannot be > IV_MAX */ | |
1845 | value = 1; | |
1846 | } else if (leftuv > (UV)rightiv) { | |
1847 | value = 1; | |
1848 | } else if (leftuv < (UV)rightiv) { | |
1849 | value = -1; | |
1850 | } else { | |
1851 | value = 0; | |
1852 | } | |
1853 | } | |
1854 | } else { /* ## IV <=> UV ## */ | |
1855 | IV leftiv; | |
1856 | UV rightuv; | |
1857 | ||
1858 | leftiv = SvIVX(TOPm1s); | |
1859 | if (leftiv < 0) { | |
1860 | /* As (b) is a UV, it's >=0, so it must be < */ | |
1861 | value = -1; | |
1862 | } else { | |
1863 | rightuv = SvUVX(TOPs); | |
1864 | if (rightuv > (UV) IV_MAX) { | |
1865 | /* As (a) is an IV, it cannot be > IV_MAX */ | |
1866 | value = -1; | |
1867 | } else if (leftiv > (UV)rightuv) { | |
1868 | value = 1; | |
1869 | } else if (leftiv < (UV)rightuv) { | |
1870 | value = -1; | |
1871 | } else { | |
1872 | value = 0; | |
1873 | } | |
1874 | } | |
1875 | } | |
1876 | SP--; | |
1877 | SETi(value); | |
1878 | RETURN; | |
1879 | } | |
1880 | } | |
1881 | #endif | |
a0d0e21e LW |
1882 | { |
1883 | dPOPTOPnnrl; | |
1884 | I32 value; | |
79072805 | 1885 | |
a3540c92 | 1886 | #ifdef Perl_isnan |
1ad04cfd JH |
1887 | if (Perl_isnan(left) || Perl_isnan(right)) { |
1888 | SETs(&PL_sv_undef); | |
1889 | RETURN; | |
1890 | } | |
1891 | value = (left > right) - (left < right); | |
1892 | #else | |
ff0cee69 | 1893 | if (left == right) |
a0d0e21e | 1894 | value = 0; |
a0d0e21e LW |
1895 | else if (left < right) |
1896 | value = -1; | |
44a8e56a | 1897 | else if (left > right) |
1898 | value = 1; | |
1899 | else { | |
3280af22 | 1900 | SETs(&PL_sv_undef); |
44a8e56a | 1901 | RETURN; |
1902 | } | |
1ad04cfd | 1903 | #endif |
a0d0e21e LW |
1904 | SETi(value); |
1905 | RETURN; | |
79072805 | 1906 | } |
a0d0e21e | 1907 | } |
79072805 | 1908 | |
a0d0e21e LW |
1909 | PP(pp_slt) |
1910 | { | |
39644a26 | 1911 | dSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1912 | { |
1913 | dPOPTOPssrl; | |
533c011a | 1914 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1915 | ? sv_cmp_locale(left, right) |
1916 | : sv_cmp(left, right)); | |
54310121 | 1917 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1918 | RETURN; |
1919 | } | |
79072805 LW |
1920 | } |
1921 | ||
a0d0e21e | 1922 | PP(pp_sgt) |
79072805 | 1923 | { |
39644a26 | 1924 | dSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1925 | { |
1926 | dPOPTOPssrl; | |
533c011a | 1927 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1928 | ? sv_cmp_locale(left, right) |
1929 | : sv_cmp(left, right)); | |
54310121 | 1930 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1931 | RETURN; |
1932 | } | |
1933 | } | |
79072805 | 1934 | |
a0d0e21e LW |
1935 | PP(pp_sle) |
1936 | { | |
39644a26 | 1937 | dSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1938 | { |
1939 | dPOPTOPssrl; | |
533c011a | 1940 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1941 | ? sv_cmp_locale(left, right) |
1942 | : sv_cmp(left, right)); | |
54310121 | 1943 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1944 | RETURN; |
79072805 | 1945 | } |
79072805 LW |
1946 | } |
1947 | ||
a0d0e21e LW |
1948 | PP(pp_sge) |
1949 | { | |
39644a26 | 1950 | dSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1951 | { |
1952 | dPOPTOPssrl; | |
533c011a | 1953 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1954 | ? sv_cmp_locale(left, right) |
1955 | : sv_cmp(left, right)); | |
54310121 | 1956 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1957 | RETURN; |
1958 | } | |
1959 | } | |
79072805 | 1960 | |
36477c24 | 1961 | PP(pp_seq) |
1962 | { | |
39644a26 | 1963 | dSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1964 | { |
1965 | dPOPTOPssrl; | |
54310121 | 1966 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1967 | RETURN; |
1968 | } | |
1969 | } | |
79072805 | 1970 | |
a0d0e21e | 1971 | PP(pp_sne) |
79072805 | 1972 | { |
39644a26 | 1973 | dSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1974 | { |
1975 | dPOPTOPssrl; | |
54310121 | 1976 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1977 | RETURN; |
463ee0b2 | 1978 | } |
79072805 LW |
1979 | } |
1980 | ||
a0d0e21e | 1981 | PP(pp_scmp) |
79072805 | 1982 | { |
39644a26 | 1983 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1984 | { |
1985 | dPOPTOPssrl; | |
533c011a | 1986 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1987 | ? sv_cmp_locale(left, right) |
1988 | : sv_cmp(left, right)); | |
1989 | SETi( cmp ); | |
a0d0e21e LW |
1990 | RETURN; |
1991 | } | |
1992 | } | |
79072805 | 1993 | |
55497cff | 1994 | PP(pp_bit_and) |
1995 | { | |
39644a26 | 1996 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1997 | { |
1998 | dPOPTOPssrl; | |
4633a7c4 | 1999 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2000 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2001 | IV i = SvIV(left) & SvIV(right); |
2002 | SETi(i); | |
d0ba1bd2 JH |
2003 | } |
2004 | else { | |
972b05a9 JH |
2005 | UV u = SvUV(left) & SvUV(right); |
2006 | SETu(u); | |
d0ba1bd2 | 2007 | } |
a0d0e21e LW |
2008 | } |
2009 | else { | |
533c011a | 2010 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2011 | SETTARG; |
2012 | } | |
2013 | RETURN; | |
2014 | } | |
2015 | } | |
79072805 | 2016 | |
a0d0e21e LW |
2017 | PP(pp_bit_xor) |
2018 | { | |
39644a26 | 2019 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
2020 | { |
2021 | dPOPTOPssrl; | |
4633a7c4 | 2022 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2023 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2024 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
2025 | SETi(i); | |
d0ba1bd2 JH |
2026 | } |
2027 | else { | |
972b05a9 JH |
2028 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
2029 | SETu(u); | |
d0ba1bd2 | 2030 | } |
a0d0e21e LW |
2031 | } |
2032 | else { | |
533c011a | 2033 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2034 | SETTARG; |
2035 | } | |
2036 | RETURN; | |
2037 | } | |
2038 | } | |
79072805 | 2039 | |
a0d0e21e LW |
2040 | PP(pp_bit_or) |
2041 | { | |
39644a26 | 2042 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
2043 | { |
2044 | dPOPTOPssrl; | |
4633a7c4 | 2045 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 2046 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2047 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
2048 | SETi(i); | |
d0ba1bd2 JH |
2049 | } |
2050 | else { | |
972b05a9 JH |
2051 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
2052 | SETu(u); | |
d0ba1bd2 | 2053 | } |
a0d0e21e LW |
2054 | } |
2055 | else { | |
533c011a | 2056 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
2057 | SETTARG; |
2058 | } | |
2059 | RETURN; | |
79072805 | 2060 | } |
a0d0e21e | 2061 | } |
79072805 | 2062 | |
a0d0e21e LW |
2063 | PP(pp_negate) |
2064 | { | |
39644a26 | 2065 | dSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
2066 | { |
2067 | dTOPss; | |
28e5dec8 | 2068 | int flags = SvFLAGS(sv); |
4633a7c4 LW |
2069 | if (SvGMAGICAL(sv)) |
2070 | mg_get(sv); | |
28e5dec8 JH |
2071 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
2072 | /* It's publicly an integer, or privately an integer-not-float */ | |
2073 | oops_its_an_int: | |
9b0e499b GS |
2074 | if (SvIsUV(sv)) { |
2075 | if (SvIVX(sv) == IV_MIN) { | |
28e5dec8 | 2076 | /* 2s complement assumption. */ |
9b0e499b GS |
2077 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
2078 | RETURN; | |
2079 | } | |
2080 | else if (SvUVX(sv) <= IV_MAX) { | |
beccb14c | 2081 | SETi(-SvIVX(sv)); |
9b0e499b GS |
2082 | RETURN; |
2083 | } | |
2084 | } | |
2085 | else if (SvIVX(sv) != IV_MIN) { | |
2086 | SETi(-SvIVX(sv)); | |
2087 | RETURN; | |
2088 | } | |
28e5dec8 JH |
2089 | #ifdef PERL_PRESERVE_IVUV |
2090 | else { | |
2091 | SETu((UV)IV_MIN); | |
2092 | RETURN; | |
2093 | } | |
2094 | #endif | |
9b0e499b GS |
2095 | } |
2096 | if (SvNIOKp(sv)) | |
a0d0e21e | 2097 | SETn(-SvNV(sv)); |
4633a7c4 | 2098 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
2099 | STRLEN len; |
2100 | char *s = SvPV(sv, len); | |
bbce6d69 | 2101 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
2102 | sv_setpvn(TARG, "-", 1); |
2103 | sv_catsv(TARG, sv); | |
79072805 | 2104 | } |
a0d0e21e LW |
2105 | else if (*s == '+' || *s == '-') { |
2106 | sv_setsv(TARG, sv); | |
2107 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 2108 | } |
fd400ab9 | 2109 | else if (DO_UTF8(sv) && UTF8_IS_START(*s) && isIDFIRST_utf8((U8*)s)) { |
834a4ddd LW |
2110 | sv_setpvn(TARG, "-", 1); |
2111 | sv_catsv(TARG, sv); | |
2112 | } | |
28e5dec8 JH |
2113 | else { |
2114 | SvIV_please(sv); | |
2115 | if (SvIOK(sv)) | |
2116 | goto oops_its_an_int; | |
2117 | sv_setnv(TARG, -SvNV(sv)); | |
2118 | } | |
a0d0e21e | 2119 | SETTARG; |
79072805 | 2120 | } |
4633a7c4 LW |
2121 | else |
2122 | SETn(-SvNV(sv)); | |
79072805 | 2123 | } |
a0d0e21e | 2124 | RETURN; |
79072805 LW |
2125 | } |
2126 | ||
a0d0e21e | 2127 | PP(pp_not) |
79072805 | 2128 | { |
39644a26 | 2129 | dSP; tryAMAGICunSET(not); |
3280af22 | 2130 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 2131 | return NORMAL; |
79072805 LW |
2132 | } |
2133 | ||
a0d0e21e | 2134 | PP(pp_complement) |
79072805 | 2135 | { |
39644a26 | 2136 | dSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
2137 | { |
2138 | dTOPss; | |
4633a7c4 | 2139 | if (SvNIOKp(sv)) { |
d0ba1bd2 | 2140 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
2141 | IV i = ~SvIV(sv); |
2142 | SETi(i); | |
d0ba1bd2 JH |
2143 | } |
2144 | else { | |
972b05a9 JH |
2145 | UV u = ~SvUV(sv); |
2146 | SETu(u); | |
d0ba1bd2 | 2147 | } |
a0d0e21e LW |
2148 | } |
2149 | else { | |
51723571 | 2150 | register U8 *tmps; |
55497cff | 2151 | register I32 anum; |
a0d0e21e LW |
2152 | STRLEN len; |
2153 | ||
2154 | SvSetSV(TARG, sv); | |
51723571 | 2155 | tmps = (U8*)SvPV_force(TARG, len); |
a0d0e21e | 2156 | anum = len; |
1d68d6cd | 2157 | if (SvUTF8(TARG)) { |
a1ca4561 | 2158 | /* Calculate exact length, let's not estimate. */ |
1d68d6cd SC |
2159 | STRLEN targlen = 0; |
2160 | U8 *result; | |
51723571 | 2161 | U8 *send; |
ba210ebe | 2162 | STRLEN l; |
a1ca4561 YST |
2163 | UV nchar = 0; |
2164 | UV nwide = 0; | |
1d68d6cd SC |
2165 | |
2166 | send = tmps + len; | |
2167 | while (tmps < send) { | |
9041c2e3 | 2168 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
1d68d6cd | 2169 | tmps += UTF8SKIP(tmps); |
5bbb0b5a | 2170 | targlen += UNISKIP(~c); |
a1ca4561 YST |
2171 | nchar++; |
2172 | if (c > 0xff) | |
2173 | nwide++; | |
1d68d6cd SC |
2174 | } |
2175 | ||
2176 | /* Now rewind strings and write them. */ | |
2177 | tmps -= len; | |
a1ca4561 YST |
2178 | |
2179 | if (nwide) { | |
2180 | Newz(0, result, targlen + 1, U8); | |
2181 | while (tmps < send) { | |
9041c2e3 | 2182 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
a1ca4561 | 2183 | tmps += UTF8SKIP(tmps); |
9041c2e3 | 2184 | result = uvchr_to_utf8(result, ~c); |
a1ca4561 YST |
2185 | } |
2186 | *result = '\0'; | |
2187 | result -= targlen; | |
2188 | sv_setpvn(TARG, (char*)result, targlen); | |
2189 | SvUTF8_on(TARG); | |
2190 | } | |
2191 | else { | |
2192 | Newz(0, result, nchar + 1, U8); | |
2193 | while (tmps < send) { | |
9041c2e3 | 2194 | U8 c = (U8)utf8n_to_uvchr(tmps, 0, &l, UTF8_ALLOW_ANY); |
a1ca4561 YST |
2195 | tmps += UTF8SKIP(tmps); |
2196 | *result++ = ~c; | |
2197 | } | |
2198 | *result = '\0'; | |
2199 | result -= nchar; | |
2200 | sv_setpvn(TARG, (char*)result, nchar); | |
1d68d6cd | 2201 | } |
1d68d6cd SC |
2202 | Safefree(result); |
2203 | SETs(TARG); | |
2204 | RETURN; | |
2205 | } | |
a0d0e21e | 2206 | #ifdef LIBERAL |
51723571 JH |
2207 | { |
2208 | register long *tmpl; | |
2209 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
2210 | *tmps = ~*tmps; | |
2211 | tmpl = (long*)tmps; | |
2212 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
2213 | *tmpl = ~*tmpl; | |
2214 | tmps = (U8*)tmpl; | |
2215 | } | |
a0d0e21e LW |
2216 | #endif |
2217 | for ( ; anum > 0; anum--, tmps++) | |
2218 | *tmps = ~*tmps; | |
2219 | ||
2220 | SETs(TARG); | |
2221 | } | |
2222 | RETURN; | |
2223 | } | |
79072805 LW |
2224 | } |
2225 | ||
a0d0e21e LW |
2226 | /* integer versions of some of the above */ |
2227 | ||
a0d0e21e | 2228 | PP(pp_i_multiply) |
79072805 | 2229 | { |
39644a26 | 2230 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
2231 | { |
2232 | dPOPTOPiirl; | |
2233 | SETi( left * right ); | |
2234 | RETURN; | |
2235 | } | |
79072805 LW |
2236 | } |
2237 | ||
a0d0e21e | 2238 | PP(pp_i_divide) |
79072805 | 2239 | { |
39644a26 | 2240 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
2241 | { |
2242 | dPOPiv; | |
2243 | if (value == 0) | |
cea2e8a9 | 2244 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
2245 | value = POPi / value; |
2246 | PUSHi( value ); | |
2247 | RETURN; | |
2248 | } | |
79072805 LW |
2249 | } |
2250 | ||
a0d0e21e | 2251 | PP(pp_i_modulo) |
79072805 | 2252 | { |
39644a26 | 2253 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 2254 | { |
a0d0e21e | 2255 | dPOPTOPiirl; |
aa306039 | 2256 | if (!right) |
cea2e8a9 | 2257 | DIE(aTHX_ "Illegal modulus zero"); |
a0d0e21e LW |
2258 | SETi( left % right ); |
2259 | RETURN; | |
79072805 | 2260 | } |
79072805 LW |
2261 | } |
2262 | ||
a0d0e21e | 2263 | PP(pp_i_add) |
79072805 | 2264 | { |
39644a26 | 2265 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e | 2266 | { |
5e66d4f1 | 2267 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2268 | SETi( left + right ); |
2269 | RETURN; | |
79072805 | 2270 | } |
79072805 LW |
2271 | } |
2272 | ||
a0d0e21e | 2273 | PP(pp_i_subtract) |
79072805 | 2274 | { |
39644a26 | 2275 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 2276 | { |
5e66d4f1 | 2277 | dPOPTOPiirl_ul; |
a0d0e21e LW |
2278 | SETi( left - right ); |
2279 | RETURN; | |
79072805 | 2280 | } |
79072805 LW |
2281 | } |
2282 | ||
a0d0e21e | 2283 | PP(pp_i_lt) |
79072805 | 2284 | { |
39644a26 | 2285 | dSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
2286 | { |
2287 | dPOPTOPiirl; | |
54310121 | 2288 | SETs(boolSV(left < right)); |
a0d0e21e LW |
2289 | RETURN; |
2290 | } | |
79072805 LW |
2291 | } |
2292 | ||
a0d0e21e | 2293 | PP(pp_i_gt) |
79072805 | 2294 | { |
39644a26 | 2295 | dSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
2296 | { |
2297 | dPOPTOPiirl; | |
54310121 | 2298 | SETs(boolSV(left > right)); |
a0d0e21e LW |
2299 | RETURN; |
2300 | } | |
79072805 LW |
2301 | } |
2302 | ||
a0d0e21e | 2303 | PP(pp_i_le) |
79072805 | 2304 | { |
39644a26 | 2305 | dSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
2306 | { |
2307 | dPOPTOPiirl; | |
54310121 | 2308 | SETs(boolSV(left <= right)); |
a0d0e21e | 2309 | RETURN; |
85e6fe83 | 2310 | } |
79072805 LW |
2311 | } |
2312 | ||
a0d0e21e | 2313 | PP(pp_i_ge) |
79072805 | 2314 | { |
39644a26 | 2315 | dSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
2316 | { |
2317 | dPOPTOPiirl; | |
54310121 | 2318 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
2319 | RETURN; |
2320 | } | |
79072805 LW |
2321 | } |
2322 | ||
a0d0e21e | 2323 | PP(pp_i_eq) |
79072805 | 2324 | { |
39644a26 | 2325 | dSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
2326 | { |
2327 | dPOPTOPiirl; | |
54310121 | 2328 | SETs(boolSV(left == right)); |
a0d0e21e LW |
2329 | RETURN; |
2330 | } | |
79072805 LW |
2331 | } |
2332 | ||
a0d0e21e | 2333 | PP(pp_i_ne) |
79072805 | 2334 | { |
39644a26 | 2335 | dSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
2336 | { |
2337 | dPOPTOPiirl; | |
54310121 | 2338 | SETs(boolSV(left != right)); |
a0d0e21e LW |
2339 | RETURN; |
2340 | } | |
79072805 LW |
2341 | } |
2342 | ||
a0d0e21e | 2343 | PP(pp_i_ncmp) |
79072805 | 2344 | { |
39644a26 | 2345 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
2346 | { |
2347 | dPOPTOPiirl; | |
2348 | I32 value; | |
79072805 | 2349 | |
a0d0e21e | 2350 | if (left > right) |
79072805 | 2351 | value = 1; |
a0d0e21e | 2352 | else if (left < right) |
79072805 | 2353 | value = -1; |
a0d0e21e | 2354 | else |
79072805 | 2355 | value = 0; |
a0d0e21e LW |
2356 | SETi(value); |
2357 | RETURN; | |
79072805 | 2358 | } |
85e6fe83 LW |
2359 | } |
2360 | ||
2361 | PP(pp_i_negate) | |
2362 | { | |
39644a26 | 2363 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
2364 | SETi(-TOPi); |
2365 | RETURN; | |
2366 | } | |
2367 | ||
79072805 LW |
2368 | /* High falutin' math. */ |
2369 | ||
2370 | PP(pp_atan2) | |
2371 | { | |
39644a26 | 2372 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
2373 | { |
2374 | dPOPTOPnnrl; | |
65202027 | 2375 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
2376 | RETURN; |
2377 | } | |
79072805 LW |
2378 | } |
2379 | ||
2380 | PP(pp_sin) | |
2381 | { | |
39644a26 | 2382 | dSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 2383 | { |
65202027 | 2384 | NV value; |
a0d0e21e | 2385 | value = POPn; |
65202027 | 2386 | value = Perl_sin(value); |
a0d0e21e LW |
2387 | XPUSHn(value); |
2388 | RETURN; | |
2389 | } | |
79072805 LW |
2390 | } |
2391 | ||
2392 | PP(pp_cos) | |
2393 | { | |
39644a26 | 2394 | dSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 2395 | { |
65202027 | 2396 | NV value; |
a0d0e21e | 2397 | value = POPn; |
65202027 | 2398 | value = Perl_cos(value); |
a0d0e21e LW |
2399 | XPUSHn(value); |
2400 | RETURN; | |
2401 | } | |
79072805 LW |
2402 | } |
2403 | ||
56cb0a1c AD |
2404 | /* Support Configure command-line overrides for rand() functions. |
2405 | After 5.005, perhaps we should replace this by Configure support | |
2406 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
2407 | compatibility by calling rand() but allow the user to override it. | |
2408 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
2409 | */ | |
85ab1d1d JH |
2410 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
2411 | in addition to rand(). So the overrides should not be needed any more. | |
2412 | --Jarkko Hietaniemi 27 September 1998 | |
2413 | */ | |
2414 | ||
2415 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 2416 | extern double drand48 (void); |
56cb0a1c AD |
2417 | #endif |
2418 | ||
79072805 LW |
2419 | PP(pp_rand) |
2420 | { | |
39644a26 | 2421 | dSP; dTARGET; |
65202027 | 2422 | NV value; |
79072805 LW |
2423 | if (MAXARG < 1) |
2424 | value = 1.0; | |
2425 | else | |
2426 | value = POPn; | |
2427 | if (value == 0.0) | |
2428 | value = 1.0; | |
80252599 | 2429 | if (!PL_srand_called) { |
85ab1d1d | 2430 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 2431 | PL_srand_called = TRUE; |
93dc8474 | 2432 | } |
85ab1d1d | 2433 | value *= Drand01(); |
79072805 LW |
2434 | XPUSHn(value); |
2435 | RETURN; | |
2436 | } | |
2437 | ||
2438 | PP(pp_srand) | |
2439 | { | |
39644a26 | 2440 | dSP; |
93dc8474 CS |
2441 | UV anum; |
2442 | if (MAXARG < 1) | |
2443 | anum = seed(); | |
79072805 | 2444 | else |
93dc8474 | 2445 | anum = POPu; |
85ab1d1d | 2446 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 2447 | PL_srand_called = TRUE; |
79072805 LW |
2448 | EXTEND(SP, 1); |
2449 | RETPUSHYES; | |
2450 | } | |
2451 | ||
76e3520e | 2452 | STATIC U32 |
cea2e8a9 | 2453 | S_seed(pTHX) |
93dc8474 | 2454 | { |
54310121 | 2455 | /* |
2456 | * This is really just a quick hack which grabs various garbage | |
2457 | * values. It really should be a real hash algorithm which | |
2458 | * spreads the effect of every input bit onto every output bit, | |
85ab1d1d | 2459 | * if someone who knows about such things would bother to write it. |
54310121 | 2460 | * Might be a good idea to add that function to CORE as well. |
85ab1d1d | 2461 | * No numbers below come from careful analysis or anything here, |
54310121 | 2462 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
2463 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
2464 | * probably be bigger too. | |
2465 | */ | |
2466 | #if RANDBITS > 16 | |
2467 | # define SEED_C1 1000003 | |
2468 | #define SEED_C4 73819 | |
2469 | #else | |
2470 | # define SEED_C1 25747 | |
2471 | #define SEED_C4 20639 | |
2472 | #endif | |
2473 | #define SEED_C2 3 | |
2474 | #define SEED_C3 269 | |
2475 | #define SEED_C5 26107 | |
2476 | ||
73c60299 RS |
2477 | #ifndef PERL_NO_DEV_RANDOM |
2478 | int fd; | |
2479 | #endif | |
93dc8474 | 2480 | U32 u; |
f12c7020 | 2481 | #ifdef VMS |
2482 | # include <starlet.h> | |
43c92808 HF |
2483 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
2484 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 | 2485 | unsigned int when[2]; |
73c60299 RS |
2486 | #else |
2487 | # ifdef HAS_GETTIMEOFDAY | |
2488 | struct timeval when; | |
2489 | # else | |
2490 | Time_t when; | |
2491 | # endif | |
2492 | #endif | |
2493 | ||
2494 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
2495 | #ifndef PERL_NO_DEV_RANDOM | |
2496 | #ifndef PERL_RANDOM_DEVICE | |
2497 | /* /dev/random isn't used by default because reads from it will block | |
2498 | * if there isn't enough entropy available. You can compile with | |
2499 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
2500 | * is enough real entropy to fill the seed. */ | |
2501 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
2502 | #endif | |
2503 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
2504 | if (fd != -1) { | |
2505 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
2506 | u = 0; | |
2507 | PerlLIO_close(fd); | |
2508 | if (u) | |
2509 | return u; | |
2510 | } | |
2511 | #endif | |
2512 | ||
2513 | #ifdef VMS | |
93dc8474 | 2514 | _ckvmssts(sys$gettim(when)); |
54310121 | 2515 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 2516 | #else |
5f05dabc | 2517 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 | 2518 | gettimeofday(&when,(struct timezone *) 0); |
54310121 | 2519 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 2520 | # else |
93dc8474 | 2521 | (void)time(&when); |
54310121 | 2522 | u = (U32)SEED_C1 * when; |
f12c7020 | 2523 | # endif |
2524 | #endif | |
7766f137 | 2525 | u += SEED_C3 * (U32)PerlProc_getpid(); |
56431972 | 2526 | u += SEED_C4 * (U32)PTR2UV(PL_stack_sp); |
54310121 | 2527 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
56431972 | 2528 | u += SEED_C5 * (U32)PTR2UV(&when); |
f12c7020 | 2529 | #endif |
93dc8474 | 2530 | return u; |
79072805 LW |
2531 | } |
2532 | ||
2533 | PP(pp_exp) | |
2534 | { | |
39644a26 | 2535 | dSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 2536 | { |
65202027 | 2537 | NV value; |
a0d0e21e | 2538 | value = POPn; |
65202027 | 2539 | value = Perl_exp(value); |
a0d0e21e LW |
2540 | XPUSHn(value); |
2541 | RETURN; | |
2542 | } | |
79072805 LW |
2543 | } |
2544 | ||
2545 | PP(pp_log) | |
2546 | { | |
39644a26 | 2547 | dSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 2548 | { |
65202027 | 2549 | NV value; |
a0d0e21e | 2550 | value = POPn; |
bbce6d69 | 2551 | if (value <= 0.0) { |
f93f4e46 | 2552 | SET_NUMERIC_STANDARD(); |
cea2e8a9 | 2553 | DIE(aTHX_ "Can't take log of %g", value); |
bbce6d69 | 2554 | } |
65202027 | 2555 | value = Perl_log(value); |
a0d0e21e LW |
2556 | XPUSHn(value); |
2557 | RETURN; | |
2558 | } | |
79072805 LW |
2559 | } |
2560 | ||
2561 | PP(pp_sqrt) | |
2562 | { | |
39644a26 | 2563 | dSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 2564 | { |
65202027 | 2565 | NV value; |
a0d0e21e | 2566 | value = POPn; |
bbce6d69 | 2567 | if (value < 0.0) { |
f93f4e46 | 2568 | SET_NUMERIC_STANDARD(); |
cea2e8a9 | 2569 | DIE(aTHX_ "Can't take sqrt of %g", value); |
bbce6d69 | 2570 | } |
65202027 | 2571 | value = Perl_sqrt(value); |
a0d0e21e LW |
2572 | XPUSHn(value); |
2573 | RETURN; | |
2574 | } | |
79072805 LW |
2575 | } |
2576 | ||
2577 | PP(pp_int) | |
2578 | { | |
39644a26 | 2579 | dSP; dTARGET; tryAMAGICun(int); |
774d564b | 2580 | { |
28e5dec8 JH |
2581 | NV value; |
2582 | IV iv = TOPi; /* attempt to convert to IV if possible. */ | |
2583 | /* XXX it's arguable that compiler casting to IV might be subtly | |
2584 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
2585 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
2586 | relying on floating point to be accurate is a bug. */ | |
2587 | ||
2588 | if (SvIOK(TOPs)) { | |
2589 | if (SvIsUV(TOPs)) { | |
2590 | UV uv = TOPu; | |
2591 | SETu(uv); | |
2592 | } else | |
2593 | SETi(iv); | |
2594 | } else { | |
2595 | value = TOPn; | |
1048ea30 | 2596 | if (value >= 0.0) { |
28e5dec8 JH |
2597 | if (value < (NV)UV_MAX + 0.5) { |
2598 | SETu(U_V(value)); | |
2599 | } else { | |
1048ea30 | 2600 | #if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) |
28e5dec8 | 2601 | (void)Perl_modf(value, &value); |
1048ea30 | 2602 | #else |
28e5dec8 JH |
2603 | double tmp = (double)value; |
2604 | (void)Perl_modf(tmp, &tmp); | |
2605 | value = (NV)tmp; | |
1048ea30 | 2606 | #endif |
2d9af89d | 2607 | SETn(value); |
28e5dec8 | 2608 | } |
1048ea30 | 2609 | } |
28e5dec8 JH |
2610 | else { |
2611 | if (value > (NV)IV_MIN - 0.5) { | |
2612 | SETi(I_V(value)); | |
2613 | } else { | |
1048ea30 | 2614 | #if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) |
28e5dec8 JH |
2615 | (void)Perl_modf(-value, &value); |
2616 | value = -value; | |
1048ea30 | 2617 | #else |
28e5dec8 JH |
2618 | double tmp = (double)value; |
2619 | (void)Perl_modf(-tmp, &tmp); | |
2620 | value = -(NV)tmp; | |
1048ea30 | 2621 | #endif |
28e5dec8 JH |
2622 | SETn(value); |
2623 | } | |
2624 | } | |
774d564b | 2625 | } |
79072805 | 2626 | } |
79072805 LW |
2627 | RETURN; |
2628 | } | |
2629 | ||
463ee0b2 LW |
2630 | PP(pp_abs) |
2631 | { | |
39644a26 | 2632 | dSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 2633 | { |
28e5dec8 JH |
2634 | /* This will cache the NV value if string isn't actually integer */ |
2635 | IV iv = TOPi; | |
a227d84d | 2636 | |
28e5dec8 JH |
2637 | if (SvIOK(TOPs)) { |
2638 | /* IVX is precise */ | |
2639 | if (SvIsUV(TOPs)) { | |
2640 | SETu(TOPu); /* force it to be numeric only */ | |
2641 | } else { | |
2642 | if (iv >= 0) { | |
2643 | SETi(iv); | |
2644 | } else { | |
2645 | if (iv != IV_MIN) { | |
2646 | SETi(-iv); | |
2647 | } else { | |
2648 | /* 2s complement assumption. Also, not really needed as | |
2649 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
2650 | SETu(IV_MIN); | |
2651 | } | |
a227d84d | 2652 | } |
28e5dec8 JH |
2653 | } |
2654 | } else{ | |
2655 | NV value = TOPn; | |
774d564b | 2656 | if (value < 0.0) |
28e5dec8 | 2657 | value = -value; |
774d564b | 2658 | SETn(value); |
2659 | } | |
a0d0e21e | 2660 | } |
774d564b | 2661 | RETURN; |
463ee0b2 LW |
2662 | } |
2663 | ||
79072805 LW |
2664 | PP(pp_hex) |
2665 | { | |
39644a26 | 2666 | dSP; dTARGET; |
79072805 | 2667 | char *tmps; |
ba210ebe | 2668 | STRLEN argtype; |
6f894ead | 2669 | STRLEN len; |
79072805 | 2670 | |
6f894ead | 2671 | tmps = (SvPVx(POPs, len)); |
b21ed0a9 | 2672 | argtype = 1; /* allow underscores */ |
6f894ead | 2673 | XPUSHn(scan_hex(tmps, len, &argtype)); |
79072805 LW |
2674 | RETURN; |
2675 | } | |
2676 | ||
2677 | PP(pp_oct) | |
2678 | { | |
39644a26 | 2679 | dSP; dTARGET; |
9e24b6e2 | 2680 | NV value; |
ba210ebe | 2681 | STRLEN argtype; |
79072805 | 2682 | char *tmps; |
6f894ead | 2683 | STRLEN len; |
79072805 | 2684 | |
6f894ead DD |
2685 | tmps = (SvPVx(POPs, len)); |
2686 | while (*tmps && len && isSPACE(*tmps)) | |
2687 | tmps++, len--; | |
9e24b6e2 | 2688 | if (*tmps == '0') |
6f894ead | 2689 | tmps++, len--; |
b21ed0a9 | 2690 | argtype = 1; /* allow underscores */ |
9e24b6e2 | 2691 | if (*tmps == 'x') |
6f894ead | 2692 | value = scan_hex(++tmps, --len, &argtype); |
9e24b6e2 | 2693 | else if (*tmps == 'b') |
6f894ead | 2694 | value = scan_bin(++tmps, --len, &argtype); |
464e2e8a | 2695 | else |
6f894ead | 2696 | value = scan_oct(tmps, len, &argtype); |
9e24b6e2 | 2697 | XPUSHn(value); |
79072805 LW |
2698 | RETURN; |
2699 | } | |
2700 | ||
2701 | /* String stuff. */ | |
2702 | ||
2703 | PP(pp_length) | |
2704 | { | |
39644a26 | 2705 | dSP; dTARGET; |
7e2040f0 | 2706 | SV *sv = TOPs; |
a0ed51b3 | 2707 | |
7e2040f0 GS |
2708 | if (DO_UTF8(sv)) |
2709 | SETi(sv_len_utf8(sv)); | |
2710 | else | |
2711 | SETi(sv_len(sv)); | |
79072805 LW |
2712 | RETURN; |
2713 | } | |
2714 | ||
2715 | PP(pp_substr) | |
2716 | { | |
39644a26 | 2717 | dSP; dTARGET; |
79072805 LW |
2718 | SV *sv; |
2719 | I32 len; | |
463ee0b2 | 2720 | STRLEN curlen; |
9402d6ed | 2721 | STRLEN utf8_curlen; |
79072805 LW |
2722 | I32 pos; |
2723 | I32 rem; | |
84902520 | 2724 | I32 fail; |
78f9721b | 2725 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
79072805 | 2726 | char *tmps; |
3280af22 | 2727 | I32 arybase = PL_curcop->cop_arybase; |
9402d6ed | 2728 | SV *repl_sv = NULL; |
7b8d334a GS |
2729 | char *repl = 0; |
2730 | STRLEN repl_len; | |
78f9721b | 2731 | int num_args = PL_op->op_private & 7; |
13e30c65 | 2732 | bool repl_need_utf8_upgrade = FALSE; |
9402d6ed | 2733 | bool repl_is_utf8 = FALSE; |
79072805 | 2734 | |
20408e3c | 2735 | SvTAINTED_off(TARG); /* decontaminate */ |
7e2040f0 | 2736 | SvUTF8_off(TARG); /* decontaminate */ |
78f9721b SM |
2737 | if (num_args > 2) { |
2738 | if (num_args > 3) { | |
9402d6ed JH |
2739 | repl_sv = POPs; |
2740 | repl = SvPV(repl_sv, repl_len); | |
2741 | repl_is_utf8 = DO_UTF8(repl_sv) && SvCUR(repl_sv); | |
7b8d334a | 2742 | } |
79072805 | 2743 | len = POPi; |
5d82c453 | 2744 | } |
84902520 | 2745 | pos = POPi; |
79072805 | 2746 | sv = POPs; |
849ca7ee | 2747 | PUTBACK; |
9402d6ed JH |
2748 | if (repl_sv) { |
2749 | if (repl_is_utf8) { | |
2750 | if (!DO_UTF8(sv)) | |
2751 | sv_utf8_upgrade(sv); | |
2752 | } | |
13e30c65 JH |
2753 | else if (DO_UTF8(sv)) |
2754 | repl_need_utf8_upgrade = TRUE; | |
9402d6ed | 2755 | } |
a0d0e21e | 2756 | tmps = SvPV(sv, curlen); |
7e2040f0 | 2757 | if (DO_UTF8(sv)) { |
9402d6ed JH |
2758 | utf8_curlen = sv_len_utf8(sv); |
2759 | if (utf8_curlen == curlen) | |
2760 | utf8_curlen = 0; | |
a0ed51b3 | 2761 | else |
9402d6ed | 2762 | curlen = utf8_curlen; |
a0ed51b3 | 2763 | } |
d1c2b58a | 2764 | else |
9402d6ed | 2765 | utf8_curlen = 0; |
a0ed51b3 | 2766 | |
84902520 TB |
2767 | if (pos >= arybase) { |
2768 | pos -= arybase; | |
2769 | rem = curlen-pos; | |
2770 | fail = rem; | |
78f9721b | 2771 | if (num_args > 2) { |
5d82c453 GA |
2772 | if (len < 0) { |
2773 | rem += len; | |
2774 | if (rem < 0) | |
2775 | rem = 0; | |
2776 | } | |
2777 | else if (rem > len) | |
2778 | rem = len; | |
2779 | } | |
68dc0745 | 2780 | } |
84902520 | 2781 | else { |
5d82c453 | 2782 | pos += curlen; |
78f9721b | 2783 | if (num_args < 3) |
5d82c453 GA |
2784 | rem = curlen; |
2785 | else if (len >= 0) { | |
2786 | rem = pos+len; | |
2787 | if (rem > (I32)curlen) | |
2788 | rem = curlen; | |
2789 | } | |
2790 | else { | |
2791 | rem = curlen+len; | |
2792 | if (rem < pos) | |
2793 | rem = pos; | |
2794 | } | |
2795 | if (pos < 0) | |
2796 | pos = 0; | |
2797 | fail = rem; | |
2798 | rem -= pos; | |
84902520 TB |
2799 | } |
2800 | if (fail < 0) { | |
e476b1b5 GS |
2801 | if (lvalue || repl) |
2802 | Perl_croak(aTHX_ "substr outside of string"); | |
2803 | if (ckWARN(WARN_SUBSTR)) | |
cea2e8a9 | 2804 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
2304df62 AD |
2805 | RETPUSHUNDEF; |
2806 | } | |
79072805 | 2807 | else { |
9aa983d2 JH |
2808 | I32 upos = pos; |
2809 | I32 urem = rem; | |
9402d6ed | 2810 | if (utf8_curlen) |
a0ed51b3 | 2811 | sv_pos_u2b(sv, &pos, &rem); |
79072805 | 2812 | tmps += pos; |
79072805 | 2813 | sv_setpvn(TARG, tmps, rem); |
12aa1545 | 2814 | #ifdef USE_LOCALE_COLLATE |
14befaf4 | 2815 | sv_unmagic(TARG, PERL_MAGIC_collxfrm); |
12aa1545 | 2816 | #endif |
9402d6ed | 2817 | if (utf8_curlen) |
7f66633b | 2818 | SvUTF8_on(TARG); |
f7928d6c | 2819 | if (repl) { |
13e30c65 JH |
2820 | SV* repl_sv_copy = NULL; |
2821 | ||
2822 | if (repl_need_utf8_upgrade) { | |
2823 | repl_sv_copy = newSVsv(repl_sv); | |
2824 | sv_utf8_upgrade(repl_sv_copy); | |
2825 | repl = SvPV(repl_sv_copy, repl_len); | |
2826 | repl_is_utf8 = DO_UTF8(repl_sv_copy) && SvCUR(sv); | |
2827 | } | |
c8faf1c5 | 2828 | sv_insert(sv, pos, rem, repl, repl_len); |
9402d6ed | 2829 | if (repl_is_utf8) |
f7928d6c | 2830 | SvUTF8_on(sv); |
9402d6ed JH |
2831 | if (repl_sv_copy) |
2832 | SvREFCNT_dec(repl_sv_copy); | |
f7928d6c | 2833 | } |
c8faf1c5 | 2834 | else if (lvalue) { /* it's an lvalue! */ |
dedeecda | 2835 | if (!SvGMAGICAL(sv)) { |
2836 | if (SvROK(sv)) { | |
2d8e6c8d GS |
2837 | STRLEN n_a; |
2838 | SvPV_force(sv,n_a); | |
599cee73 | 2839 | if (ckWARN(WARN_SUBSTR)) |
cea2e8a9 | 2840 | Perl_warner(aTHX_ WARN_SUBSTR, |
599cee73 | 2841 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 2842 | } |
2843 | if (SvOK(sv)) /* is it defined ? */ | |
7f66633b | 2844 | (void)SvPOK_only_UTF8(sv); |
dedeecda | 2845 | else |
2846 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
2847 | } | |
5f05dabc | 2848 | |
a0d0e21e LW |
2849 | if (SvTYPE(TARG) < SVt_PVLV) { |
2850 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 2851 | sv_magic(TARG, Nullsv, PERL_MAGIC_substr, Nullch, 0); |
ed6116ce | 2852 | } |
a0d0e21e | 2853 | |
5f05dabc | 2854 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
2855 | if (LvTARG(TARG) != sv) { |
2856 | if (LvTARG(TARG)) | |
2857 | SvREFCNT_dec(LvTARG(TARG)); | |
2858 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
2859 | } | |
9aa983d2 JH |
2860 | LvTARGOFF(TARG) = upos; |
2861 | LvTARGLEN(TARG) = urem; | |
79072805 LW |
2862 | } |
2863 | } | |
849ca7ee | 2864 | SPAGAIN; |
79072805 LW |
2865 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
2866 | RETURN; | |
2867 | } | |
2868 | ||
2869 | PP(pp_vec) | |
2870 | { | |
39644a26 | 2871 | dSP; dTARGET; |
467f0320 JH |
2872 | register IV size = POPi; |
2873 | register IV offset = POPi; | |
79072805 | 2874 | register SV *src = POPs; |
78f9721b | 2875 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
a0d0e21e | 2876 | |
81e118e0 JH |
2877 | SvTAINTED_off(TARG); /* decontaminate */ |
2878 | if (lvalue) { /* it's an lvalue! */ | |
2879 | if (SvTYPE(TARG) < SVt_PVLV) { | |
2880 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 2881 | sv_magic(TARG, Nullsv, PERL_MAGIC_vec, Nullch, 0); |
79072805 | 2882 | } |
81e118e0 JH |
2883 | LvTYPE(TARG) = 'v'; |
2884 | if (LvTARG(TARG) != src) { | |
2885 | if (LvTARG(TARG)) | |
2886 | SvREFCNT_dec(LvTARG(TARG)); | |
2887 | LvTARG(TARG) = SvREFCNT_inc(src); | |
79072805 | 2888 | } |
81e118e0 JH |
2889 | LvTARGOFF(TARG) = offset; |
2890 | LvTARGLEN(TARG) = size; | |
79072805 LW |
2891 | } |
2892 | ||
81e118e0 | 2893 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
2894 | PUSHs(TARG); |
2895 | RETURN; | |
2896 | } | |
2897 | ||
2898 | PP(pp_index) | |
2899 | { | |
39644a26 | 2900 | dSP; dTARGET; |
79072805 LW |
2901 | SV *big; |
2902 | SV *little; | |
2903 | I32 offset; | |
2904 | I32 retval; | |
2905 | char *tmps; | |
2906 | char *tmps2; | |
463ee0b2 | 2907 | STRLEN biglen; |
3280af22 | 2908 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
2909 | |
2910 | if (MAXARG < 3) | |
2911 | offset = 0; | |
2912 | else | |
2913 | offset = POPi - arybase; | |
2914 | little = POPs; | |
2915 | big = POPs; | |
463ee0b2 | 2916 | tmps = SvPV(big, biglen); |
7e2040f0 | 2917 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 | 2918 | sv_pos_u2b(big, &offset, 0); |
79072805 LW |
2919 | if (offset < 0) |
2920 | offset = 0; | |
93a17b20 LW |
2921 | else if (offset > biglen) |
2922 | offset = biglen; | |
79072805 | 2923 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 2924 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 2925 | retval = -1; |
79072805 | 2926 | else |
a0ed51b3 | 2927 | retval = tmps2 - tmps; |
7e2040f0 | 2928 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2929 | sv_pos_b2u(big, &retval); |
2930 | PUSHi(retval + arybase); | |
79072805 LW |
2931 | RETURN; |
2932 | } | |
2933 | ||
2934 | PP(pp_rindex) | |
2935 | { | |
39644a26 | 2936 | dSP; dTARGET; |
79072805 LW |
2937 | SV *big; |
2938 | SV *little; | |
463ee0b2 LW |
2939 | STRLEN blen; |
2940 | STRLEN llen; | |
79072805 LW |
2941 | I32 offset; |
2942 | I32 retval; | |
2943 | char *tmps; | |
2944 | char *tmps2; | |
3280af22 | 2945 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 2946 | |
a0d0e21e | 2947 | if (MAXARG >= 3) |
a0ed51b3 | 2948 | offset = POPi; |
79072805 LW |
2949 | little = POPs; |
2950 | big = POPs; | |
463ee0b2 LW |
2951 | tmps2 = SvPV(little, llen); |
2952 | tmps = SvPV(big, blen); | |
79072805 | 2953 | if (MAXARG < 3) |
463ee0b2 | 2954 | offset = blen; |
a0ed51b3 | 2955 | else { |
7e2040f0 | 2956 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2957 | sv_pos_u2b(big, &offset, 0); |
2958 | offset = offset - arybase + llen; | |
2959 | } | |
79072805 LW |
2960 | if (offset < 0) |
2961 | offset = 0; | |
463ee0b2 LW |
2962 | else if (offset > blen) |
2963 | offset = blen; | |
79072805 | 2964 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2965 | tmps2, tmps2 + llen))) |
a0ed51b3 | 2966 | retval = -1; |
79072805 | 2967 | else |
a0ed51b3 | 2968 | retval = tmps2 - tmps; |
7e2040f0 | 2969 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2970 | sv_pos_b2u(big, &retval); |
2971 | PUSHi(retval + arybase); | |
79072805 LW |
2972 | RETURN; |
2973 | } | |
2974 | ||
2975 | PP(pp_sprintf) | |
2976 | { | |
39644a26 | 2977 | dSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 2978 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2979 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2980 | SP = ORIGMARK; |
2981 | PUSHTARG; | |
2982 | RETURN; | |
2983 | } | |
2984 | ||
79072805 LW |
2985 | PP(pp_ord) |
2986 | { | |
39644a26 | 2987 | dSP; dTARGET; |
7df053ec | 2988 | SV *argsv = POPs; |
ba210ebe | 2989 | STRLEN len; |
7df053ec | 2990 | U8 *s = (U8*)SvPVx(argsv, len); |
79072805 | 2991 | |
9041c2e3 | 2992 | XPUSHu(DO_UTF8(argsv) ? utf8_to_uvchr(s, 0) : (*s & 0xff)); |
79072805 LW |
2993 | RETURN; |
2994 | } | |
2995 | ||
463ee0b2 LW |
2996 | PP(pp_chr) |
2997 | { | |
39644a26 | 2998 | dSP; dTARGET; |
463ee0b2 | 2999 | char *tmps; |
467f0320 | 3000 | UV value = POPu; |
463ee0b2 | 3001 | |
748a9306 | 3002 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 | 3003 | |
9aa983d2 JH |
3004 | if (value > 255 && !IN_BYTE) { |
3005 | SvGROW(TARG, UNISKIP(value)+1); | |
9041c2e3 | 3006 | tmps = (char*)uvchr_to_utf8((U8*)SvPVX(TARG), value); |
a0ed51b3 LW |
3007 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
3008 | *tmps = '\0'; | |
3009 | (void)SvPOK_only(TARG); | |
aa6ffa16 | 3010 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3011 | XPUSHs(TARG); |
3012 | RETURN; | |
3013 | } | |
3014 | ||
748a9306 | 3015 | SvGROW(TARG,2); |
463ee0b2 LW |
3016 | SvCUR_set(TARG, 1); |
3017 | tmps = SvPVX(TARG); | |
a0ed51b3 | 3018 | *tmps++ = value; |
748a9306 | 3019 | *tmps = '\0'; |
a0d0e21e | 3020 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
3021 | XPUSHs(TARG); |
3022 | RETURN; | |
3023 | } | |
3024 | ||
79072805 LW |
3025 | PP(pp_crypt) |
3026 | { | |
39644a26 | 3027 | dSP; dTARGET; dPOPTOPssrl; |
2d8e6c8d | 3028 | STRLEN n_a; |
79072805 | 3029 | #ifdef HAS_CRYPT |
2d8e6c8d | 3030 | char *tmps = SvPV(left, n_a); |
79072805 | 3031 | #ifdef FCRYPT |
2d8e6c8d | 3032 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
79072805 | 3033 | #else |
2d8e6c8d | 3034 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
79072805 LW |
3035 | #endif |
3036 | #else | |
b13b2135 | 3037 | DIE(aTHX_ |
79072805 LW |
3038 | "The crypt() function is unimplemented due to excessive paranoia."); |
3039 | #endif | |
3040 | SETs(TARG); | |
3041 | RETURN; | |
3042 | } | |
3043 | ||
3044 | PP(pp_ucfirst) | |
3045 | { | |
39644a26 | 3046 | dSP; |
79072805 | 3047 | SV *sv = TOPs; |
a0ed51b3 LW |
3048 | register U8 *s; |
3049 | STRLEN slen; | |
3050 | ||
fd400ab9 | 3051 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && UTF8_IS_START(*s)) { |
ba210ebe | 3052 | STRLEN ulen; |
ad391ad9 | 3053 | U8 tmpbuf[UTF8_MAXLEN+1]; |
a0ed51b3 | 3054 | U8 *tend; |
9041c2e3 | 3055 | UV uv; |
a0ed51b3 LW |
3056 | |
3057 | if (PL_op->op_private & OPpLOCALE) { | |
3058 | TAINT; | |
3059 | SvTAINTED_on(sv); | |
9041c2e3 | 3060 | uv = toTITLE_LC_uvchr(utf8n_to_uvchr(s, slen, &ulen, 0)); |
a0ed51b3 LW |
3061 | } |
3062 | else | |
3063 | uv = toTITLE_utf8(s); | |
3064 | ||
9041c2e3 | 3065 | tend = uvchr_to_utf8(tmpbuf, uv); |
a0ed51b3 | 3066 | |
014822e4 | 3067 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 3068 | dTARGET; |
dfe13c55 GS |
3069 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
3070 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3071 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3072 | SETs(TARG); |
3073 | } | |
3074 | else { | |
dfe13c55 | 3075 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
3076 | Copy(tmpbuf, s, ulen, U8); |
3077 | } | |
a0ed51b3 | 3078 | } |
626727d5 | 3079 | else { |
014822e4 | 3080 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3081 | dTARGET; |
7e2040f0 | 3082 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3083 | sv_setsv(TARG, sv); |
3084 | sv = TARG; | |
3085 | SETs(sv); | |
3086 | } | |
3087 | s = (U8*)SvPV_force(sv, slen); | |
3088 | if (*s) { | |
3089 | if (PL_op->op_private & OPpLOCALE) { | |
3090 | TAINT; | |
3091 | SvTAINTED_on(sv); | |
3092 | *s = toUPPER_LC(*s); | |
3093 | } | |
3094 | else | |
3095 | *s = toUPPER(*s); | |
bbce6d69 | 3096 | } |
bbce6d69 | 3097 | } |
31351b04 JS |
3098 | if (SvSMAGICAL(sv)) |
3099 | mg_set(sv); | |
79072805 LW |
3100 | RETURN; |
3101 | } | |
3102 | ||
3103 | PP(pp_lcfirst) | |
3104 | { | |
39644a26 | 3105 | dSP; |
79072805 | 3106 | SV *sv = TOPs; |
a0ed51b3 LW |
3107 | register U8 *s; |
3108 | STRLEN slen; | |
3109 | ||
fd400ab9 | 3110 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && UTF8_IS_START(*s)) { |
ba210ebe | 3111 | STRLEN ulen; |
ad391ad9 | 3112 | U8 tmpbuf[UTF8_MAXLEN+1]; |
a0ed51b3 | 3113 | U8 *tend; |
9041c2e3 | 3114 | UV uv; |
a0ed51b3 LW |
3115 | |
3116 | if (PL_op->op_private & OPpLOCALE) { | |
3117 | TAINT; | |
3118 | SvTAINTED_on(sv); | |
9041c2e3 | 3119 | uv = toLOWER_LC_uvchr(utf8n_to_uvchr(s, slen, &ulen, 0)); |
a0ed51b3 LW |
3120 | } |
3121 | else | |
3122 | uv = toLOWER_utf8(s); | |
3123 | ||
9041c2e3 | 3124 | tend = uvchr_to_utf8(tmpbuf, uv); |
a0ed51b3 | 3125 | |
014822e4 | 3126 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 3127 | dTARGET; |
dfe13c55 GS |
3128 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
3129 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 3130 | SvUTF8_on(TARG); |
a0ed51b3 LW |
3131 | SETs(TARG); |
3132 | } | |
3133 | else { | |
dfe13c55 | 3134 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
3135 | Copy(tmpbuf, s, ulen, U8); |
3136 | } | |
a0ed51b3 | 3137 | } |
626727d5 | 3138 | else { |
014822e4 | 3139 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3140 | dTARGET; |
7e2040f0 | 3141 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3142 | sv_setsv(TARG, sv); |
3143 | sv = TARG; | |
3144 | SETs(sv); | |
3145 | } | |
3146 | s = (U8*)SvPV_force(sv, slen); | |
3147 | if (*s) { | |
3148 | if (PL_op->op_private & OPpLOCALE) { | |
3149 | TAINT; | |
3150 | SvTAINTED_on(sv); | |
3151 | *s = toLOWER_LC(*s); | |
3152 | } | |
3153 | else | |
3154 | *s = toLOWER(*s); | |
bbce6d69 | 3155 | } |
bbce6d69 | 3156 | } |
31351b04 JS |
3157 | if (SvSMAGICAL(sv)) |
3158 | mg_set(sv); | |
79072805 LW |
3159 | RETURN; |
3160 | } | |
3161 | ||
3162 | PP(pp_uc) | |
3163 | { | |
39644a26 | 3164 | dSP; |
79072805 | 3165 | SV *sv = TOPs; |
a0ed51b3 | 3166 | register U8 *s; |
463ee0b2 | 3167 | STRLEN len; |
79072805 | 3168 | |
7e2040f0 | 3169 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3170 | dTARGET; |
ba210ebe | 3171 | STRLEN ulen; |
a0ed51b3 LW |
3172 | register U8 *d; |
3173 | U8 *send; | |
3174 | ||
dfe13c55 | 3175 | s = (U8*)SvPV(sv,len); |
a5a20234 | 3176 | if (!len) { |
7e2040f0 | 3177 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3178 | sv_setpvn(TARG, "", 0); |
3179 | SETs(TARG); | |
a0ed51b3 LW |
3180 | } |
3181 | else { | |
31351b04 JS |
3182 | (void)SvUPGRADE(TARG, SVt_PV); |
3183 | SvGROW(TARG, (len * 2) + 1); | |
3184 | (void)SvPOK_only(TARG); | |
3185 | d = (U8*)SvPVX(TARG); | |
3186 | send = s + len; | |
3187 | if (PL_op->op_private & OPpLOCALE) { | |
3188 | TAINT; | |
3189 | SvTAINTED_on(TARG); | |
3190 | while (s < send) { | |
9041c2e3 | 3191 | d = uvchr_to_utf8(d, toUPPER_LC_uvchr( utf8n_to_uvchr(s, len, &ulen, 0))); |
31351b04 JS |
3192 | s += ulen; |
3193 | } | |
a0ed51b3 | 3194 | } |
31351b04 JS |
3195 | else { |
3196 | while (s < send) { | |
9041c2e3 | 3197 | d = uvchr_to_utf8(d, toUPPER_utf8( s )); |
31351b04 JS |
3198 | s += UTF8SKIP(s); |
3199 | } | |
a0ed51b3 | 3200 | } |
31351b04 | 3201 | *d = '\0'; |
7e2040f0 | 3202 | SvUTF8_on(TARG); |
31351b04 JS |
3203 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3204 | SETs(TARG); | |
a0ed51b3 | 3205 | } |
a0ed51b3 | 3206 | } |
626727d5 | 3207 | else { |
014822e4 | 3208 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3209 | dTARGET; |
7e2040f0 | 3210 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3211 | sv_setsv(TARG, sv); |
3212 | sv = TARG; | |
3213 | SETs(sv); | |
3214 | } | |
3215 | s = (U8*)SvPV_force(sv, len); | |
3216 | if (len) { | |
3217 | register U8 *send = s + len; | |
3218 | ||
3219 | if (PL_op->op_private & OPpLOCALE) { | |
3220 | TAINT; | |
3221 | SvTAINTED_on(sv); | |
3222 | for (; s < send; s++) | |
3223 | *s = toUPPER_LC(*s); | |
3224 | } | |
3225 | else { | |
3226 | for (; s < send; s++) | |
3227 | *s = toUPPER(*s); | |
3228 | } | |
bbce6d69 | 3229 | } |
79072805 | 3230 | } |
31351b04 JS |
3231 | if (SvSMAGICAL(sv)) |
3232 | mg_set(sv); | |
79072805 LW |
3233 | RETURN; |
3234 | } | |
3235 | ||
3236 | PP(pp_lc) | |
3237 | { | |
39644a26 | 3238 | dSP; |
79072805 | 3239 | SV *sv = TOPs; |
a0ed51b3 | 3240 | register U8 *s; |
463ee0b2 | 3241 | STRLEN len; |
79072805 | 3242 | |
7e2040f0 | 3243 | if (DO_UTF8(sv)) { |
a0ed51b3 | 3244 | dTARGET; |
ba210ebe | 3245 | STRLEN ulen; |
a0ed51b3 LW |
3246 | register U8 *d; |
3247 | U8 *send; | |
3248 | ||
dfe13c55 | 3249 | s = (U8*)SvPV(sv,len); |
a5a20234 | 3250 | if (!len) { |
7e2040f0 | 3251 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
3252 | sv_setpvn(TARG, "", 0); |
3253 | SETs(TARG); | |
a0ed51b3 LW |
3254 | } |
3255 | else { | |
31351b04 JS |
3256 | (void)SvUPGRADE(TARG, SVt_PV); |
3257 | SvGROW(TARG, (len * 2) + 1); | |
3258 | (void)SvPOK_only(TARG); | |
3259 | d = (U8*)SvPVX(TARG); | |
3260 | send = s + len; | |
3261 | if (PL_op->op_private & OPpLOCALE) { | |
3262 | TAINT; | |
3263 | SvTAINTED_on(TARG); | |
3264 | while (s < send) { | |
9041c2e3 | 3265 | d = uvchr_to_utf8(d, toLOWER_LC_uvchr( utf8n_to_uvchr(s, len, &ulen, 0))); |
31351b04 JS |
3266 | s += ulen; |
3267 | } | |
a0ed51b3 | 3268 | } |
31351b04 JS |
3269 | else { |
3270 | while (s < send) { | |
9041c2e3 | 3271 | d = uvchr_to_utf8(d, toLOWER_utf8(s)); |
31351b04 JS |
3272 | s += UTF8SKIP(s); |
3273 | } | |
a0ed51b3 | 3274 | } |
31351b04 | 3275 | *d = '\0'; |
7e2040f0 | 3276 | SvUTF8_on(TARG); |
31351b04 JS |
3277 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
3278 | SETs(TARG); | |
a0ed51b3 | 3279 | } |
79072805 | 3280 | } |
626727d5 | 3281 | else { |
014822e4 | 3282 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 3283 | dTARGET; |
7e2040f0 | 3284 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
3285 | sv_setsv(TARG, sv); |
3286 | sv = TARG; | |
3287 | SETs(sv); | |
a0ed51b3 | 3288 | } |
bbce6d69 | 3289 | |
31351b04 JS |
3290 | s = (U8*)SvPV_force(sv, len); |
3291 | if (len) { | |
3292 | register U8 *send = s + len; | |
bbce6d69 | 3293 | |
31351b04 JS |
3294 | if (PL_op->op_private & OPpLOCALE) { |
3295 | TAINT; | |
3296 | SvTAINTED_on(sv); | |
3297 | for (; s < send; s++) | |
3298 | *s = toLOWER_LC(*s); | |
3299 | } | |
3300 | else { | |
3301 | for (; s < send; s++) | |
3302 | *s = toLOWER(*s); | |
3303 | } | |
bbce6d69 | 3304 | } |
79072805 | 3305 | } |
31351b04 JS |
3306 | if (SvSMAGICAL(sv)) |
3307 | mg_set(sv); | |
79072805 LW |
3308 | RETURN; |
3309 | } | |
3310 | ||
a0d0e21e | 3311 | PP(pp_quotemeta) |
79072805 | 3312 | { |
39644a26 | 3313 | dSP; dTARGET; |
a0d0e21e LW |
3314 | SV *sv = TOPs; |
3315 | STRLEN len; | |
3316 | register char *s = SvPV(sv,len); | |
3317 | register char *d; | |
79072805 | 3318 | |
7e2040f0 | 3319 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e LW |
3320 | if (len) { |
3321 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 3322 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 3323 | d = SvPVX(TARG); |
7e2040f0 | 3324 | if (DO_UTF8(sv)) { |
0dd2cdef | 3325 | while (len) { |
fd400ab9 | 3326 | if (UTF8_IS_CONTINUED(*s)) { |
0dd2cdef LW |
3327 | STRLEN ulen = UTF8SKIP(s); |
3328 | if (ulen > len) | |
3329 | ulen = len; | |
3330 | len -= ulen; | |
3331 | while (ulen--) | |
3332 | *d++ = *s++; | |
3333 | } | |
3334 | else { | |
3335 | if (!isALNUM(*s)) | |
3336 | *d++ = '\\'; | |
3337 | *d++ = *s++; | |
3338 | len--; | |
3339 | } | |
3340 | } | |
7e2040f0 | 3341 | SvUTF8_on(TARG); |
0dd2cdef LW |
3342 | } |
3343 | else { | |
3344 | while (len--) { | |
3345 | if (!isALNUM(*s)) | |
3346 | *d++ = '\\'; | |
3347 | *d++ = *s++; | |
3348 | } | |
79072805 | 3349 | } |
a0d0e21e LW |
3350 | *d = '\0'; |
3351 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
3aa33fe5 | 3352 | (void)SvPOK_only_UTF8(TARG); |
79072805 | 3353 | } |
a0d0e21e LW |
3354 | else |
3355 | sv_setpvn(TARG, s, len); | |
3356 | SETs(TARG); | |
31351b04 JS |
3357 | if (SvSMAGICAL(TARG)) |
3358 | mg_set(TARG); | |
79072805 LW |
3359 | RETURN; |
3360 | } | |
3361 | ||
a0d0e21e | 3362 | /* Arrays. */ |
79072805 | 3363 | |
a0d0e21e | 3364 | PP(pp_aslice) |
79072805 | 3365 | { |
39644a26 | 3366 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3367 | register SV** svp; |
3368 | register AV* av = (AV*)POPs; | |
78f9721b | 3369 | register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); |
3280af22 | 3370 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 3371 | I32 elem; |
79072805 | 3372 | |
a0d0e21e | 3373 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 3374 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 3375 | I32 max = -1; |
924508f0 | 3376 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
3377 | elem = SvIVx(*svp); |
3378 | if (elem > max) | |
3379 | max = elem; | |
3380 | } | |
3381 | if (max > AvMAX(av)) | |
3382 | av_extend(av, max); | |
3383 | } | |
a0d0e21e | 3384 | while (++MARK <= SP) { |
748a9306 | 3385 | elem = SvIVx(*MARK); |
a0d0e21e | 3386 | |
748a9306 LW |
3387 | if (elem > 0) |
3388 | elem -= arybase; | |
a0d0e21e LW |
3389 | svp = av_fetch(av, elem, lval); |
3390 | if (lval) { | |
3280af22 | 3391 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 3392 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 3393 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 3394 | save_aelem(av, elem, svp); |
79072805 | 3395 | } |
3280af22 | 3396 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3397 | } |
3398 | } | |
748a9306 | 3399 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
3400 | MARK = ORIGMARK; |
3401 | *++MARK = *SP; | |
3402 | SP = MARK; | |
3403 | } | |
79072805 LW |
3404 | RETURN; |
3405 | } | |
3406 | ||
3407 | /* Associative arrays. */ | |
3408 | ||
3409 | PP(pp_each) | |
3410 | { | |
39644a26 | 3411 | dSP; |
79072805 | 3412 | HV *hash = (HV*)POPs; |
c07a80fd | 3413 | HE *entry; |
54310121 | 3414 | I32 gimme = GIMME_V; |
c750a3ec | 3415 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 3416 | |
c07a80fd | 3417 | PUTBACK; |
c750a3ec MB |
3418 | /* might clobber stack_sp */ |
3419 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 3420 | SPAGAIN; |
79072805 | 3421 | |
79072805 LW |
3422 | EXTEND(SP, 2); |
3423 | if (entry) { | |
54310121 | 3424 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
3425 | if (gimme == G_ARRAY) { | |
59af0135 | 3426 | SV *val; |
c07a80fd | 3427 | PUTBACK; |
c750a3ec | 3428 | /* might clobber stack_sp */ |
59af0135 GS |
3429 | val = realhv ? |
3430 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); | |
c07a80fd | 3431 | SPAGAIN; |
59af0135 | 3432 | PUSHs(val); |
79072805 | 3433 | } |
79072805 | 3434 | } |
54310121 | 3435 | else if (gimme == G_SCALAR) |
79072805 LW |
3436 | RETPUSHUNDEF; |
3437 | ||
3438 | RETURN; | |
3439 | } | |
3440 | ||
3441 | PP(pp_values) | |
3442 | { | |
cea2e8a9 | 3443 | return do_kv(); |
79072805 LW |
3444 | } |
3445 | ||
3446 | PP(pp_keys) | |
3447 | { | |
cea2e8a9 | 3448 | return do_kv(); |
79072805 LW |
3449 | } |
3450 | ||
3451 | PP(pp_delete) | |
3452 | { | |
39644a26 | 3453 | dSP; |
54310121 | 3454 | I32 gimme = GIMME_V; |
3455 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 3456 | SV *sv; |
5f05dabc | 3457 | HV *hv; |
3458 | ||
533c011a | 3459 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 3460 | dMARK; dORIGMARK; |
97fcbf96 | 3461 | U32 hvtype; |
5f05dabc | 3462 | hv = (HV*)POPs; |
97fcbf96 | 3463 | hvtype = SvTYPE(hv); |
01020589 GS |
3464 | if (hvtype == SVt_PVHV) { /* hash element */ |
3465 | while (++MARK <= SP) { | |
ae77835f | 3466 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
01020589 GS |
3467 | *MARK = sv ? sv : &PL_sv_undef; |
3468 | } | |
5f05dabc | 3469 | } |
01020589 GS |
3470 | else if (hvtype == SVt_PVAV) { |
3471 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ | |
3472 | while (++MARK <= SP) { | |
3473 | sv = av_delete((AV*)hv, SvIV(*MARK), discard); | |
3474 | *MARK = sv ? sv : &PL_sv_undef; | |
3475 | } | |
3476 | } | |
3477 | else { /* pseudo-hash element */ | |
3478 | while (++MARK <= SP) { | |
3479 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); | |
3480 | *MARK = sv ? sv : &PL_sv_undef; | |
3481 | } | |
3482 | } | |
3483 | } | |
3484 | else | |
3485 | DIE(aTHX_ "Not a HASH reference"); | |
54310121 | 3486 | if (discard) |
3487 | SP = ORIGMARK; | |
3488 | else if (gimme == G_SCALAR) { | |
5f05dabc | 3489 | MARK = ORIGMARK; |
3490 | *++MARK = *SP; | |
3491 | SP = MARK; | |
3492 | } | |
3493 | } | |
3494 | else { | |
3495 | SV *keysv = POPs; | |
3496 | hv = (HV*)POPs; | |
97fcbf96 MB |
3497 | if (SvTYPE(hv) == SVt_PVHV) |
3498 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
01020589 GS |
3499 | else if (SvTYPE(hv) == SVt_PVAV) { |
3500 | if (PL_op->op_flags & OPf_SPECIAL) | |
3501 | sv = av_delete((AV*)hv, SvIV(keysv), discard); | |
3502 | else | |
3503 | sv = avhv_delete_ent((AV*)hv, keysv, discard, 0); | |
3504 | } | |
97fcbf96 | 3505 | else |
cea2e8a9 | 3506 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 3507 | if (!sv) |
3280af22 | 3508 | sv = &PL_sv_undef; |
54310121 | 3509 | if (!discard) |
3510 | PUSHs(sv); | |
79072805 | 3511 | } |
79072805 LW |
3512 | RETURN; |
3513 | } | |
3514 | ||
a0d0e21e | 3515 | PP(pp_exists) |
79072805 | 3516 | { |
39644a26 | 3517 | dSP; |
afebc493 GS |
3518 | SV *tmpsv; |
3519 | HV *hv; | |
3520 | ||
3521 | if (PL_op->op_private & OPpEXISTS_SUB) { | |
3522 | GV *gv; | |
3523 | CV *cv; | |
3524 | SV *sv = POPs; | |
3525 | cv = sv_2cv(sv, &hv, &gv, FALSE); | |
3526 | if (cv) | |
3527 | RETPUSHYES; | |
3528 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) | |
3529 | RETPUSHYES; | |
3530 | RETPUSHNO; | |
3531 | } | |
3532 | tmpsv = POPs; | |
3533 | hv = (HV*)POPs; | |
c750a3ec | 3534 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 3535 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 3536 | RETPUSHYES; |
ef54e1a4 JH |
3537 | } |
3538 | else if (SvTYPE(hv) == SVt_PVAV) { | |
01020589 GS |
3539 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
3540 | if (av_exists((AV*)hv, SvIV(tmpsv))) | |
3541 | RETPUSHYES; | |
3542 | } | |
3543 | else if (avhv_exists_ent((AV*)hv, tmpsv, 0)) /* pseudo-hash element */ | |
c750a3ec | 3544 | RETPUSHYES; |
ef54e1a4 JH |
3545 | } |
3546 | else { | |
cea2e8a9 | 3547 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 3548 | } |
a0d0e21e LW |
3549 | RETPUSHNO; |
3550 | } | |
79072805 | 3551 | |
a0d0e21e LW |
3552 | PP(pp_hslice) |
3553 | { | |
39644a26 | 3554 | dSP; dMARK; dORIGMARK; |
a0d0e21e | 3555 | register HV *hv = (HV*)POPs; |
78f9721b | 3556 | register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); |
c750a3ec | 3557 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 3558 | |
0ebe0038 | 3559 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
cea2e8a9 | 3560 | DIE(aTHX_ "Can't localize pseudo-hash element"); |
0ebe0038 | 3561 | |
c750a3ec | 3562 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 3563 | while (++MARK <= SP) { |
f12c7020 | 3564 | SV *keysv = *MARK; |
ae77835f | 3565 | SV **svp; |
d4fa047a RH |
3566 | I32 preeminent = SvRMAGICAL(hv) ? 1 : |
3567 | realhv ? hv_exists_ent(hv, keysv, 0) | |
3568 | : avhv_exists_ent((AV*)hv, keysv, 0); | |
ae77835f | 3569 | if (realhv) { |
800e9ae0 | 3570 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
ae77835f | 3571 | svp = he ? &HeVAL(he) : 0; |
ef54e1a4 JH |
3572 | } |
3573 | else { | |
97fcbf96 | 3574 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 3575 | } |
a0d0e21e | 3576 | if (lval) { |
2d8e6c8d GS |
3577 | if (!svp || *svp == &PL_sv_undef) { |
3578 | STRLEN n_a; | |
cea2e8a9 | 3579 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); |
2d8e6c8d | 3580 | } |
1f5346dc | 3581 | if (PL_op->op_private & OPpLVAL_INTRO) { |
a227d84d | 3582 | if (preeminent) |
1f5346dc SC |
3583 | save_helem(hv, keysv, svp); |
3584 | else { | |
3585 | STRLEN keylen; | |
3586 | char *key = SvPV(keysv, keylen); | |
57813020 | 3587 | SAVEDELETE(hv, savepvn(key,keylen), keylen); |
1f5346dc SC |
3588 | } |
3589 | } | |
93a17b20 | 3590 | } |
3280af22 | 3591 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
3592 | } |
3593 | } | |
a0d0e21e LW |
3594 | if (GIMME != G_ARRAY) { |
3595 | MARK = ORIGMARK; | |
3596 | *++MARK = *SP; | |
3597 | SP = MARK; | |
79072805 | 3598 | } |
a0d0e21e LW |
3599 | RETURN; |
3600 | } | |
3601 | ||
3602 | /* List operators. */ | |
3603 | ||
3604 | PP(pp_list) | |
3605 | { | |
39644a26 | 3606 | dSP; dMARK; |
a0d0e21e LW |
3607 | if (GIMME != G_ARRAY) { |
3608 | if (++MARK <= SP) | |
3609 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 3610 | else |
3280af22 | 3611 | *MARK = &PL_sv_undef; |
a0d0e21e | 3612 | SP = MARK; |
79072805 | 3613 | } |
a0d0e21e | 3614 | RETURN; |
79072805 LW |
3615 | } |
3616 | ||
a0d0e21e | 3617 | PP(pp_lslice) |
79072805 | 3618 | { |
39644a26 | 3619 | dSP; |
3280af22 NIS |
3620 | SV **lastrelem = PL_stack_sp; |
3621 | SV **lastlelem = PL_stack_base + POPMARK; | |
3622 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
a0d0e21e | 3623 | register SV **firstrelem = lastlelem + 1; |
3280af22 | 3624 | I32 arybase = PL_curcop->cop_arybase; |
533c011a | 3625 | I32 lval = PL_op->op_flags & OPf_MOD; |
4633a7c4 | 3626 | I32 is_something_there = lval; |
79072805 | 3627 | |
a0d0e21e LW |
3628 | register I32 max = lastrelem - lastlelem; |
3629 | register SV **lelem; | |
3630 | register I32 ix; | |
3631 | ||
3632 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
3633 | ix = SvIVx(*lastlelem); |
3634 | if (ix < 0) | |
3635 | ix += max; | |
3636 | else | |
3637 | ix -= arybase; | |
a0d0e21e | 3638 | if (ix < 0 || ix >= max) |
3280af22 | 3639 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
3640 | else |
3641 | *firstlelem = firstrelem[ix]; | |
3642 | SP = firstlelem; | |
3643 | RETURN; | |
3644 | } | |
3645 | ||
3646 | if (max == 0) { | |
3647 | SP = firstlelem - 1; | |
3648 | RETURN; | |
3649 | } | |
3650 | ||
3651 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 3652 | ix = SvIVx(*lelem); |
c73bf8e3 | 3653 | if (ix < 0) |
a0d0e21e | 3654 | ix += max; |
b13b2135 | 3655 | else |
748a9306 | 3656 | ix -= arybase; |
c73bf8e3 HS |
3657 | if (ix < 0 || ix >= max) |
3658 | *lelem = &PL_sv_undef; | |
3659 | else { | |
3660 | is_something_there = TRUE; | |
3661 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 3662 | *lelem = &PL_sv_undef; |
748a9306 | 3663 | } |
79072805 | 3664 | } |
4633a7c4 LW |
3665 | if (is_something_there) |
3666 | SP = lastlelem; | |
3667 | else | |
3668 | SP = firstlelem - 1; | |
79072805 LW |
3669 | RETURN; |
3670 | } | |
3671 | ||
a0d0e21e LW |
3672 | PP(pp_anonlist) |
3673 | { | |
39644a26 | 3674 | dSP; dMARK; dORIGMARK; |
a0d0e21e | 3675 | I32 items = SP - MARK; |
44a8e56a | 3676 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
3677 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
3678 | XPUSHs(av); | |
a0d0e21e LW |
3679 | RETURN; |
3680 | } | |
3681 | ||
3682 | PP(pp_anonhash) | |
79072805 | 3683 | { |
39644a26 | 3684 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3685 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
3686 | ||
3687 | while (MARK < SP) { | |
3688 | SV* key = *++MARK; | |
a0d0e21e LW |
3689 | SV *val = NEWSV(46, 0); |
3690 | if (MARK < SP) | |
3691 | sv_setsv(val, *++MARK); | |
e476b1b5 GS |
3692 | else if (ckWARN(WARN_MISC)) |
3693 | Perl_warner(aTHX_ WARN_MISC, "Odd number of elements in hash assignment"); | |
f12c7020 | 3694 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 3695 | } |
a0d0e21e LW |
3696 | SP = ORIGMARK; |
3697 | XPUSHs((SV*)hv); | |
79072805 LW |
3698 | RETURN; |
3699 | } | |
3700 | ||
a0d0e21e | 3701 | PP(pp_splice) |
79072805 | 3702 | { |
39644a26 | 3703 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
3704 | register AV *ary = (AV*)*++MARK; |
3705 | register SV **src; | |
3706 | register SV **dst; | |
3707 | register I32 i; | |
3708 | register I32 offset; | |
3709 | register I32 length; | |
3710 | I32 newlen; | |
3711 | I32 after; | |
3712 | I32 diff; | |
3713 | SV **tmparyval = 0; | |
93965878 NIS |
3714 | MAGIC *mg; |
3715 | ||
14befaf4 | 3716 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
33c27489 | 3717 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
93965878 | 3718 | PUSHMARK(MARK); |
8ec5e241 | 3719 | PUTBACK; |
a60c0954 | 3720 | ENTER; |
864dbfa3 | 3721 | call_method("SPLICE",GIMME_V); |
a60c0954 | 3722 | LEAVE; |
93965878 NIS |
3723 | SPAGAIN; |
3724 | RETURN; | |
3725 | } | |
79072805 | 3726 | |
a0d0e21e | 3727 | SP++; |
79072805 | 3728 | |
a0d0e21e | 3729 | if (++MARK < SP) { |
84902520 | 3730 | offset = i = SvIVx(*MARK); |
a0d0e21e | 3731 | if (offset < 0) |
93965878 | 3732 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 3733 | else |
3280af22 | 3734 | offset -= PL_curcop->cop_arybase; |
84902520 | 3735 | if (offset < 0) |
cea2e8a9 | 3736 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |