Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
4eb8286e | 3 | * Copyright (c) 1991-1999, 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 | /* | |
36477c24 | 31 | * Types used in bitwise operations. |
32 | * | |
33 | * Normally we'd just use IV and UV. However, some hardware and | |
34 | * software combinations (e.g. Alpha and current OSF/1) don't have a | |
35 | * floating-point type to use for NV that has adequate bits to fully | |
36 | * hold an IV/UV. (In other words, sizeof(long) == sizeof(double).) | |
37 | * | |
96e4d5b1 | 38 | * It just so happens that "int" is the right size almost everywhere. |
36477c24 | 39 | */ |
40 | typedef int IBW; | |
41 | typedef unsigned UBW; | |
42 | ||
96e4d5b1 | 43 | /* |
44 | * Mask used after bitwise operations. | |
45 | * | |
46 | * There is at least one realm (Cray word machines) that doesn't | |
47 | * have an integral type (except char) small enough to be represented | |
48 | * in a double without loss; that is, it has no 32-bit type. | |
49 | */ | |
6ee623d5 | 50 | #if LONGSIZE > 4 && defined(_CRAY) && !defined(_CRAYMPP) |
46fc3d4c | 51 | # define BW_BITS 32 |
52 | # define BW_MASK ((1 << BW_BITS) - 1) | |
53 | # define BW_SIGN (1 << (BW_BITS - 1)) | |
96e4d5b1 | 54 | # define BWi(i) (((i) & BW_SIGN) ? ((i) | ~BW_MASK) : ((i) & BW_MASK)) |
55 | # define BWu(u) ((u) & BW_MASK) | |
56 | #else | |
57 | # define BWi(i) (i) | |
58 | # define BWu(u) (u) | |
59 | #endif | |
60 | ||
61 | /* | |
62 | * Offset for integer pack/unpack. | |
63 | * | |
64 | * On architectures where I16 and I32 aren't really 16 and 32 bits, | |
65 | * which for now are all Crays, pack and unpack have to play games. | |
66 | */ | |
67 | ||
68 | /* | |
69 | * These values are required for portability of pack() output. | |
70 | * If they're not right on your machine, then pack() and unpack() | |
71 | * wouldn't work right anyway; you'll need to apply the Cray hack. | |
72 | * (I'd like to check them with #if, but you can't use sizeof() in | |
dc45a647 MB |
73 | * the preprocessor.) --??? |
74 | */ | |
75 | /* | |
76 | The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE | |
77 | defines are now in config.h. --Andy Dougherty April 1998 | |
96e4d5b1 | 78 | */ |
79 | #define SIZE16 2 | |
80 | #define SIZE32 4 | |
81 | ||
9851f69c JH |
82 | /* CROSSCOMPILE and MULTIARCH are going to affect pp_pack() and pp_unpack(). |
83 | --jhi Feb 1999 */ | |
84 | ||
726ea183 JH |
85 | #if SHORTSIZE != SIZE16 || LONGSIZE != SIZE32 |
86 | # define PERL_NATINT_PACK | |
87 | #endif | |
88 | ||
96e4d5b1 | 89 | #if BYTEORDER > 0xFFFF && defined(_CRAY) && !defined(_CRAYMPP) |
90 | # if BYTEORDER == 0x12345678 | |
91 | # define OFF16(p) (char*)(p) | |
92 | # define OFF32(p) (char*)(p) | |
93 | # else | |
94 | # if BYTEORDER == 0x87654321 | |
95 | # define OFF16(p) ((char*)(p) + (sizeof(U16) - SIZE16)) | |
96 | # define OFF32(p) ((char*)(p) + (sizeof(U32) - SIZE32)) | |
97 | # else | |
98 | }}}} bad cray byte order | |
99 | # endif | |
100 | # endif | |
101 | # define COPY16(s,p) (*(p) = 0, Copy(s, OFF16(p), SIZE16, char)) | |
102 | # define COPY32(s,p) (*(p) = 0, Copy(s, OFF32(p), SIZE32, char)) | |
ef54e1a4 | 103 | # define COPYNN(s,p,n) (*(p) = 0, Copy(s, (char *)(p), n, char)) |
96e4d5b1 | 104 | # define CAT16(sv,p) sv_catpvn(sv, OFF16(p), SIZE16) |
105 | # define CAT32(sv,p) sv_catpvn(sv, OFF32(p), SIZE32) | |
106 | #else | |
107 | # define COPY16(s,p) Copy(s, p, SIZE16, char) | |
108 | # define COPY32(s,p) Copy(s, p, SIZE32, char) | |
ef54e1a4 | 109 | # define COPYNN(s,p,n) Copy(s, (char *)(p), n, char) |
96e4d5b1 | 110 | # define CAT16(sv,p) sv_catpvn(sv, (char*)(p), SIZE16) |
111 | # define CAT32(sv,p) sv_catpvn(sv, (char*)(p), SIZE32) | |
112 | #endif | |
113 | ||
a0d0e21e | 114 | /* variations on pp_null */ |
79072805 | 115 | |
8ac85365 NIS |
116 | #ifdef I_UNISTD |
117 | #include <unistd.h> | |
118 | #endif | |
dfe9444c AD |
119 | |
120 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ | |
121 | it, since pid_t is an integral type. | |
122 | --AD 2/20/1998 | |
123 | */ | |
124 | #ifdef NEED_GETPID_PROTO | |
125 | extern Pid_t getpid (void); | |
8ac85365 NIS |
126 | #endif |
127 | ||
93a17b20 LW |
128 | PP(pp_stub) |
129 | { | |
4e35701f | 130 | djSP; |
54310121 | 131 | if (GIMME_V == G_SCALAR) |
3280af22 | 132 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
133 | RETURN; |
134 | } | |
135 | ||
79072805 LW |
136 | PP(pp_scalar) |
137 | { | |
138 | return NORMAL; | |
139 | } | |
140 | ||
141 | /* Pushy stuff. */ | |
142 | ||
93a17b20 LW |
143 | PP(pp_padav) |
144 | { | |
4e35701f | 145 | djSP; dTARGET; |
533c011a NIS |
146 | if (PL_op->op_private & OPpLVAL_INTRO) |
147 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
85e6fe83 | 148 | EXTEND(SP, 1); |
533c011a | 149 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 150 | PUSHs(TARG); |
93a17b20 | 151 | RETURN; |
85e6fe83 LW |
152 | } |
153 | if (GIMME == G_ARRAY) { | |
154 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
155 | EXTEND(SP, maxarg); | |
93965878 NIS |
156 | if (SvMAGICAL(TARG)) { |
157 | U32 i; | |
158 | for (i=0; i < maxarg; i++) { | |
159 | SV **svp = av_fetch((AV*)TARG, i, FALSE); | |
3280af22 | 160 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
161 | } |
162 | } | |
163 | else { | |
164 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
165 | } | |
85e6fe83 LW |
166 | SP += maxarg; |
167 | } | |
168 | else { | |
169 | SV* sv = sv_newmortal(); | |
170 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
171 | sv_setiv(sv, maxarg); | |
172 | PUSHs(sv); | |
173 | } | |
174 | RETURN; | |
93a17b20 LW |
175 | } |
176 | ||
177 | PP(pp_padhv) | |
178 | { | |
4e35701f | 179 | djSP; dTARGET; |
54310121 | 180 | I32 gimme; |
181 | ||
93a17b20 | 182 | XPUSHs(TARG); |
533c011a NIS |
183 | if (PL_op->op_private & OPpLVAL_INTRO) |
184 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
185 | if (PL_op->op_flags & OPf_REF) | |
93a17b20 | 186 | RETURN; |
54310121 | 187 | gimme = GIMME_V; |
188 | if (gimme == G_ARRAY) { | |
cea2e8a9 | 189 | RETURNOP(do_kv()); |
85e6fe83 | 190 | } |
54310121 | 191 | else if (gimme == G_SCALAR) { |
85e6fe83 | 192 | SV* sv = sv_newmortal(); |
46fc3d4c | 193 | if (HvFILL((HV*)TARG)) |
cea2e8a9 | 194 | Perl_sv_setpvf(aTHX_ sv, "%ld/%ld", |
46fc3d4c | 195 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); |
85e6fe83 LW |
196 | else |
197 | sv_setiv(sv, 0); | |
198 | SETs(sv); | |
85e6fe83 | 199 | } |
54310121 | 200 | RETURN; |
93a17b20 LW |
201 | } |
202 | ||
ed6116ce LW |
203 | PP(pp_padany) |
204 | { | |
cea2e8a9 | 205 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
ed6116ce LW |
206 | } |
207 | ||
79072805 LW |
208 | /* Translations. */ |
209 | ||
210 | PP(pp_rv2gv) | |
211 | { | |
853846ea | 212 | djSP; dTOPss; |
8ec5e241 | 213 | |
ed6116ce | 214 | if (SvROK(sv)) { |
a0d0e21e | 215 | wasref: |
f5284f61 IZ |
216 | tryAMAGICunDEREF(to_gv); |
217 | ||
ed6116ce | 218 | sv = SvRV(sv); |
b1dadf13 | 219 | if (SvTYPE(sv) == SVt_PVIO) { |
220 | GV *gv = (GV*) sv_newmortal(); | |
221 | gv_init(gv, 0, "", 0, 0); | |
222 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 223 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 224 | sv = (SV*) gv; |
ef54e1a4 JH |
225 | } |
226 | else if (SvTYPE(sv) != SVt_PVGV) | |
cea2e8a9 | 227 | DIE(aTHX_ "Not a GLOB reference"); |
79072805 LW |
228 | } |
229 | else { | |
93a17b20 | 230 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 | 231 | char *sym; |
2d8e6c8d | 232 | STRLEN n_a; |
748a9306 | 233 | |
a0d0e21e LW |
234 | if (SvGMAGICAL(sv)) { |
235 | mg_get(sv); | |
236 | if (SvROK(sv)) | |
237 | goto wasref; | |
238 | } | |
239 | if (!SvOK(sv)) { | |
853846ea NIS |
240 | /* If this is a 'my' scalar and flag is set then vivify |
241 | * NI-S 1999/05/07 | |
242 | */ | |
1d8d4d2a | 243 | if (PL_op->op_private & OPpDEREF) { |
853846ea | 244 | GV *gv = (GV *) newSV(0); |
1d8d4d2a NIS |
245 | STRLEN len = 0; |
246 | char *name = ""; | |
247 | if (cUNOP->op_first->op_type == OP_PADSV) { | |
248 | SV *padname = *av_fetch(PL_comppad_name, cUNOP->op_first->op_targ, 4); | |
249 | name = SvPV(padname,len); | |
250 | } | |
853846ea NIS |
251 | gv_init(gv, PL_curcop->cop_stash, name, len, 0); |
252 | sv_upgrade(sv, SVt_RV); | |
253 | SvRV(sv) = (SV *) gv; | |
254 | SvROK_on(sv); | |
1d8d4d2a | 255 | SvSETMAGIC(sv); |
853846ea NIS |
256 | goto wasref; |
257 | } | |
533c011a NIS |
258 | if (PL_op->op_flags & OPf_REF || |
259 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 260 | DIE(aTHX_ PL_no_usym, "a symbol"); |
599cee73 | 261 | if (ckWARN(WARN_UNINITIALIZED)) |
cea2e8a9 | 262 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
a0d0e21e LW |
263 | RETSETUNDEF; |
264 | } | |
2d8e6c8d | 265 | sym = SvPV(sv, n_a); |
35cd451c GS |
266 | if ((PL_op->op_flags & OPf_SPECIAL) && |
267 | !(PL_op->op_flags & OPf_MOD)) | |
268 | { | |
269 | sv = (SV*)gv_fetchpv(sym, FALSE, SVt_PVGV); | |
270 | if (!sv) | |
271 | RETSETUNDEF; | |
272 | } | |
273 | else { | |
274 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 275 | DIE(aTHX_ PL_no_symref, sym, "a symbol"); |
35cd451c GS |
276 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
277 | } | |
93a17b20 | 278 | } |
79072805 | 279 | } |
533c011a NIS |
280 | if (PL_op->op_private & OPpLVAL_INTRO) |
281 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
282 | SETs(sv); |
283 | RETURN; | |
284 | } | |
285 | ||
79072805 LW |
286 | PP(pp_rv2sv) |
287 | { | |
4e35701f | 288 | djSP; dTOPss; |
79072805 | 289 | |
ed6116ce | 290 | if (SvROK(sv)) { |
a0d0e21e | 291 | wasref: |
f5284f61 IZ |
292 | tryAMAGICunDEREF(to_sv); |
293 | ||
ed6116ce | 294 | sv = SvRV(sv); |
79072805 LW |
295 | switch (SvTYPE(sv)) { |
296 | case SVt_PVAV: | |
297 | case SVt_PVHV: | |
298 | case SVt_PVCV: | |
cea2e8a9 | 299 | DIE(aTHX_ "Not a SCALAR reference"); |
79072805 LW |
300 | } |
301 | } | |
302 | else { | |
f12c7020 | 303 | GV *gv = (GV*)sv; |
748a9306 | 304 | char *sym; |
2d8e6c8d | 305 | STRLEN n_a; |
748a9306 | 306 | |
463ee0b2 | 307 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
308 | if (SvGMAGICAL(sv)) { |
309 | mg_get(sv); | |
310 | if (SvROK(sv)) | |
311 | goto wasref; | |
312 | } | |
313 | if (!SvOK(sv)) { | |
533c011a NIS |
314 | if (PL_op->op_flags & OPf_REF || |
315 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 316 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
599cee73 | 317 | if (ckWARN(WARN_UNINITIALIZED)) |
cea2e8a9 | 318 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
a0d0e21e LW |
319 | RETSETUNDEF; |
320 | } | |
2d8e6c8d | 321 | sym = SvPV(sv, n_a); |
35cd451c GS |
322 | if ((PL_op->op_flags & OPf_SPECIAL) && |
323 | !(PL_op->op_flags & OPf_MOD)) | |
324 | { | |
325 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); | |
326 | if (!gv) | |
327 | RETSETUNDEF; | |
328 | } | |
329 | else { | |
330 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 331 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
35cd451c GS |
332 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
333 | } | |
463ee0b2 LW |
334 | } |
335 | sv = GvSV(gv); | |
a0d0e21e | 336 | } |
533c011a NIS |
337 | if (PL_op->op_flags & OPf_MOD) { |
338 | if (PL_op->op_private & OPpLVAL_INTRO) | |
a0d0e21e | 339 | sv = save_scalar((GV*)TOPs); |
533c011a NIS |
340 | else if (PL_op->op_private & OPpDEREF) |
341 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 342 | } |
a0d0e21e | 343 | SETs(sv); |
79072805 LW |
344 | RETURN; |
345 | } | |
346 | ||
347 | PP(pp_av2arylen) | |
348 | { | |
4e35701f | 349 | djSP; |
79072805 LW |
350 | AV *av = (AV*)TOPs; |
351 | SV *sv = AvARYLEN(av); | |
352 | if (!sv) { | |
353 | AvARYLEN(av) = sv = NEWSV(0,0); | |
354 | sv_upgrade(sv, SVt_IV); | |
355 | sv_magic(sv, (SV*)av, '#', Nullch, 0); | |
356 | } | |
357 | SETs(sv); | |
358 | RETURN; | |
359 | } | |
360 | ||
a0d0e21e LW |
361 | PP(pp_pos) |
362 | { | |
4e35701f | 363 | djSP; dTARGET; dPOPss; |
8ec5e241 | 364 | |
533c011a | 365 | if (PL_op->op_flags & OPf_MOD) { |
5f05dabc | 366 | if (SvTYPE(TARG) < SVt_PVLV) { |
367 | sv_upgrade(TARG, SVt_PVLV); | |
368 | sv_magic(TARG, Nullsv, '.', Nullch, 0); | |
369 | } | |
370 | ||
371 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
372 | if (LvTARG(TARG) != sv) { |
373 | if (LvTARG(TARG)) | |
374 | SvREFCNT_dec(LvTARG(TARG)); | |
375 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
376 | } | |
a0d0e21e LW |
377 | PUSHs(TARG); /* no SvSETMAGIC */ |
378 | RETURN; | |
379 | } | |
380 | else { | |
8ec5e241 | 381 | MAGIC* mg; |
a0d0e21e LW |
382 | |
383 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
384 | mg = mg_find(sv, 'g'); | |
565764a8 | 385 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 LW |
386 | I32 i = mg->mg_len; |
387 | if (IN_UTF8) | |
388 | sv_pos_b2u(sv, &i); | |
389 | PUSHi(i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
390 | RETURN; |
391 | } | |
392 | } | |
393 | RETPUSHUNDEF; | |
394 | } | |
395 | } | |
396 | ||
79072805 LW |
397 | PP(pp_rv2cv) |
398 | { | |
4e35701f | 399 | djSP; |
79072805 LW |
400 | GV *gv; |
401 | HV *stash; | |
8990e307 | 402 | |
4633a7c4 LW |
403 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
404 | /* (But not in defined().) */ | |
533c011a | 405 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
07055b4c CS |
406 | if (cv) { |
407 | if (CvCLONE(cv)) | |
408 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
409 | } | |
410 | else | |
3280af22 | 411 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
412 | SETs((SV*)cv); |
413 | RETURN; | |
414 | } | |
415 | ||
c07a80fd | 416 | PP(pp_prototype) |
417 | { | |
4e35701f | 418 | djSP; |
c07a80fd | 419 | CV *cv; |
420 | HV *stash; | |
421 | GV *gv; | |
422 | SV *ret; | |
423 | ||
3280af22 | 424 | ret = &PL_sv_undef; |
b6c543e3 IZ |
425 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
426 | char *s = SvPVX(TOPs); | |
427 | if (strnEQ(s, "CORE::", 6)) { | |
428 | int code; | |
429 | ||
430 | code = keyword(s + 6, SvCUR(TOPs) - 6); | |
431 | if (code < 0) { /* Overridable. */ | |
432 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
433 | int i = 0, n = 0, seen_question = 0; | |
434 | I32 oa; | |
435 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
436 | ||
437 | while (i < MAXO) { /* The slow way. */ | |
22c35a8c GS |
438 | if (strEQ(s + 6, PL_op_name[i]) |
439 | || strEQ(s + 6, PL_op_desc[i])) | |
440 | { | |
b6c543e3 | 441 | goto found; |
22c35a8c | 442 | } |
b6c543e3 IZ |
443 | i++; |
444 | } | |
445 | goto nonesuch; /* Should not happen... */ | |
446 | found: | |
22c35a8c | 447 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 IZ |
448 | while (oa) { |
449 | if (oa & OA_OPTIONAL) { | |
450 | seen_question = 1; | |
451 | str[n++] = ';'; | |
ef54e1a4 JH |
452 | } |
453 | else if (seen_question) | |
b6c543e3 IZ |
454 | goto set; /* XXXX system, exec */ |
455 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF | |
456 | && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) { | |
457 | str[n++] = '\\'; | |
458 | } | |
459 | /* What to do with R ((un)tie, tied, (sys)read, recv)? */ | |
460 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; | |
461 | oa = oa >> 4; | |
462 | } | |
463 | str[n++] = '\0'; | |
79cb57f6 | 464 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
465 | } |
466 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
467 | goto set; |
468 | else { /* None such */ | |
469 | nonesuch: | |
cea2e8a9 | 470 | Perl_croak(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
471 | } |
472 | } | |
473 | } | |
c07a80fd | 474 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 475 | if (cv && SvPOK(cv)) |
79cb57f6 | 476 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
b6c543e3 | 477 | set: |
c07a80fd | 478 | SETs(ret); |
479 | RETURN; | |
480 | } | |
481 | ||
a0d0e21e LW |
482 | PP(pp_anoncode) |
483 | { | |
4e35701f | 484 | djSP; |
533c011a | 485 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
a5f75d66 | 486 | if (CvCLONE(cv)) |
b355b4e0 | 487 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 488 | EXTEND(SP,1); |
748a9306 | 489 | PUSHs((SV*)cv); |
a0d0e21e LW |
490 | RETURN; |
491 | } | |
492 | ||
493 | PP(pp_srefgen) | |
79072805 | 494 | { |
4e35701f | 495 | djSP; |
71be2cbc | 496 | *SP = refto(*SP); |
79072805 | 497 | RETURN; |
8ec5e241 | 498 | } |
a0d0e21e LW |
499 | |
500 | PP(pp_refgen) | |
501 | { | |
4e35701f | 502 | djSP; dMARK; |
a0d0e21e | 503 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
504 | if (++MARK <= SP) |
505 | *MARK = *SP; | |
506 | else | |
3280af22 | 507 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
508 | *MARK = refto(*MARK); |
509 | SP = MARK; | |
510 | RETURN; | |
a0d0e21e | 511 | } |
bbce6d69 | 512 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 513 | while (++MARK <= SP) |
514 | *MARK = refto(*MARK); | |
a0d0e21e | 515 | RETURN; |
79072805 LW |
516 | } |
517 | ||
76e3520e | 518 | STATIC SV* |
cea2e8a9 | 519 | S_refto(pTHX_ SV *sv) |
71be2cbc | 520 | { |
521 | SV* rv; | |
522 | ||
523 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
524 | if (LvTARGLEN(sv)) | |
68dc0745 | 525 | vivify_defelem(sv); |
526 | if (!(sv = LvTARG(sv))) | |
3280af22 | 527 | sv = &PL_sv_undef; |
0dd88869 | 528 | else |
a6c40364 | 529 | (void)SvREFCNT_inc(sv); |
71be2cbc | 530 | } |
531 | else if (SvPADTMP(sv)) | |
532 | sv = newSVsv(sv); | |
533 | else { | |
534 | SvTEMP_off(sv); | |
535 | (void)SvREFCNT_inc(sv); | |
536 | } | |
537 | rv = sv_newmortal(); | |
538 | sv_upgrade(rv, SVt_RV); | |
539 | SvRV(rv) = sv; | |
540 | SvROK_on(rv); | |
541 | return rv; | |
542 | } | |
543 | ||
79072805 LW |
544 | PP(pp_ref) |
545 | { | |
4e35701f | 546 | djSP; dTARGET; |
463ee0b2 | 547 | SV *sv; |
79072805 LW |
548 | char *pv; |
549 | ||
a0d0e21e | 550 | sv = POPs; |
f12c7020 | 551 | |
552 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 553 | mg_get(sv); |
f12c7020 | 554 | |
a0d0e21e | 555 | if (!sv || !SvROK(sv)) |
4633a7c4 | 556 | RETPUSHNO; |
79072805 | 557 | |
ed6116ce | 558 | sv = SvRV(sv); |
a0d0e21e | 559 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 560 | PUSHp(pv, strlen(pv)); |
79072805 LW |
561 | RETURN; |
562 | } | |
563 | ||
564 | PP(pp_bless) | |
565 | { | |
4e35701f | 566 | djSP; |
463ee0b2 | 567 | HV *stash; |
79072805 | 568 | |
463ee0b2 | 569 | if (MAXARG == 1) |
3280af22 | 570 | stash = PL_curcop->cop_stash; |
7b8d334a GS |
571 | else { |
572 | SV *ssv = POPs; | |
573 | STRLEN len; | |
574 | char *ptr = SvPV(ssv,len); | |
599cee73 | 575 | if (ckWARN(WARN_UNSAFE) && len == 0) |
cea2e8a9 | 576 | Perl_warner(aTHX_ WARN_UNSAFE, |
599cee73 | 577 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
578 | stash = gv_stashpvn(ptr, len, TRUE); |
579 | } | |
a0d0e21e | 580 | |
5d3fdfeb | 581 | (void)sv_bless(TOPs, stash); |
79072805 LW |
582 | RETURN; |
583 | } | |
584 | ||
fb73857a | 585 | PP(pp_gelem) |
586 | { | |
587 | GV *gv; | |
588 | SV *sv; | |
76e3520e | 589 | SV *tmpRef; |
fb73857a | 590 | char *elem; |
4e35701f | 591 | djSP; |
2d8e6c8d GS |
592 | STRLEN n_a; |
593 | ||
fb73857a | 594 | sv = POPs; |
2d8e6c8d | 595 | elem = SvPV(sv, n_a); |
fb73857a | 596 | gv = (GV*)POPs; |
76e3520e | 597 | tmpRef = Nullsv; |
fb73857a | 598 | sv = Nullsv; |
599 | switch (elem ? *elem : '\0') | |
600 | { | |
601 | case 'A': | |
602 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 603 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 604 | break; |
605 | case 'C': | |
606 | if (strEQ(elem, "CODE")) | |
76e3520e | 607 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 608 | break; |
609 | case 'F': | |
610 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ | |
76e3520e | 611 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 612 | break; |
613 | case 'G': | |
614 | if (strEQ(elem, "GLOB")) | |
76e3520e | 615 | tmpRef = (SV*)gv; |
fb73857a | 616 | break; |
617 | case 'H': | |
618 | if (strEQ(elem, "HASH")) | |
76e3520e | 619 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 620 | break; |
621 | case 'I': | |
622 | if (strEQ(elem, "IO")) | |
76e3520e | 623 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 624 | break; |
625 | case 'N': | |
626 | if (strEQ(elem, "NAME")) | |
79cb57f6 | 627 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
fb73857a | 628 | break; |
629 | case 'P': | |
630 | if (strEQ(elem, "PACKAGE")) | |
631 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
632 | break; | |
633 | case 'S': | |
634 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 635 | tmpRef = GvSV(gv); |
fb73857a | 636 | break; |
637 | } | |
76e3520e GS |
638 | if (tmpRef) |
639 | sv = newRV(tmpRef); | |
fb73857a | 640 | if (sv) |
641 | sv_2mortal(sv); | |
642 | else | |
3280af22 | 643 | sv = &PL_sv_undef; |
fb73857a | 644 | XPUSHs(sv); |
645 | RETURN; | |
646 | } | |
647 | ||
a0d0e21e | 648 | /* Pattern matching */ |
79072805 | 649 | |
a0d0e21e | 650 | PP(pp_study) |
79072805 | 651 | { |
4e35701f | 652 | djSP; dPOPss; |
a0d0e21e LW |
653 | register unsigned char *s; |
654 | register I32 pos; | |
655 | register I32 ch; | |
656 | register I32 *sfirst; | |
657 | register I32 *snext; | |
a0d0e21e LW |
658 | STRLEN len; |
659 | ||
3280af22 | 660 | if (sv == PL_lastscream) { |
1e422769 | 661 | if (SvSCREAM(sv)) |
662 | RETPUSHYES; | |
663 | } | |
c07a80fd | 664 | else { |
3280af22 NIS |
665 | if (PL_lastscream) { |
666 | SvSCREAM_off(PL_lastscream); | |
667 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 668 | } |
3280af22 | 669 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 670 | } |
1e422769 | 671 | |
672 | s = (unsigned char*)(SvPV(sv, len)); | |
673 | pos = len; | |
674 | if (pos <= 0) | |
675 | RETPUSHNO; | |
3280af22 NIS |
676 | if (pos > PL_maxscream) { |
677 | if (PL_maxscream < 0) { | |
678 | PL_maxscream = pos + 80; | |
679 | New(301, PL_screamfirst, 256, I32); | |
680 | New(302, PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
681 | } |
682 | else { | |
3280af22 NIS |
683 | PL_maxscream = pos + pos / 4; |
684 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 685 | } |
79072805 | 686 | } |
a0d0e21e | 687 | |
3280af22 NIS |
688 | sfirst = PL_screamfirst; |
689 | snext = PL_screamnext; | |
a0d0e21e LW |
690 | |
691 | if (!sfirst || !snext) | |
cea2e8a9 | 692 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
693 | |
694 | for (ch = 256; ch; --ch) | |
695 | *sfirst++ = -1; | |
696 | sfirst -= 256; | |
697 | ||
698 | while (--pos >= 0) { | |
699 | ch = s[pos]; | |
700 | if (sfirst[ch] >= 0) | |
701 | snext[pos] = sfirst[ch] - pos; | |
702 | else | |
703 | snext[pos] = -pos; | |
704 | sfirst[ch] = pos; | |
79072805 LW |
705 | } |
706 | ||
c07a80fd | 707 | SvSCREAM_on(sv); |
464e2e8a | 708 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
1e422769 | 709 | RETPUSHYES; |
79072805 LW |
710 | } |
711 | ||
a0d0e21e | 712 | PP(pp_trans) |
79072805 | 713 | { |
4e35701f | 714 | djSP; dTARG; |
a0d0e21e LW |
715 | SV *sv; |
716 | ||
533c011a | 717 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 718 | sv = POPs; |
79072805 | 719 | else { |
54b9620d | 720 | sv = DEFSV; |
a0d0e21e | 721 | EXTEND(SP,1); |
79072805 | 722 | } |
adbc6bb1 | 723 | TARG = sv_newmortal(); |
4757a243 | 724 | PUSHi(do_trans(sv)); |
a0d0e21e | 725 | RETURN; |
79072805 LW |
726 | } |
727 | ||
a0d0e21e | 728 | /* Lvalue operators. */ |
79072805 | 729 | |
a0d0e21e LW |
730 | PP(pp_schop) |
731 | { | |
4e35701f | 732 | djSP; dTARGET; |
a0d0e21e LW |
733 | do_chop(TARG, TOPs); |
734 | SETTARG; | |
735 | RETURN; | |
79072805 LW |
736 | } |
737 | ||
a0d0e21e | 738 | PP(pp_chop) |
79072805 | 739 | { |
4e35701f | 740 | djSP; dMARK; dTARGET; |
a0d0e21e LW |
741 | while (SP > MARK) |
742 | do_chop(TARG, POPs); | |
743 | PUSHTARG; | |
744 | RETURN; | |
79072805 LW |
745 | } |
746 | ||
a0d0e21e | 747 | PP(pp_schomp) |
79072805 | 748 | { |
4e35701f | 749 | djSP; dTARGET; |
a0d0e21e LW |
750 | SETi(do_chomp(TOPs)); |
751 | RETURN; | |
79072805 LW |
752 | } |
753 | ||
a0d0e21e | 754 | PP(pp_chomp) |
79072805 | 755 | { |
4e35701f | 756 | djSP; dMARK; dTARGET; |
a0d0e21e | 757 | register I32 count = 0; |
8ec5e241 | 758 | |
a0d0e21e LW |
759 | while (SP > MARK) |
760 | count += do_chomp(POPs); | |
761 | PUSHi(count); | |
762 | RETURN; | |
79072805 LW |
763 | } |
764 | ||
a0d0e21e | 765 | PP(pp_defined) |
463ee0b2 | 766 | { |
4e35701f | 767 | djSP; |
a0d0e21e LW |
768 | register SV* sv; |
769 | ||
770 | sv = POPs; | |
771 | if (!sv || !SvANY(sv)) | |
772 | RETPUSHNO; | |
773 | switch (SvTYPE(sv)) { | |
774 | case SVt_PVAV: | |
6051dbdb | 775 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
776 | RETPUSHYES; |
777 | break; | |
778 | case SVt_PVHV: | |
6051dbdb | 779 | if (HvARRAY(sv) || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
780 | RETPUSHYES; |
781 | break; | |
782 | case SVt_PVCV: | |
783 | if (CvROOT(sv) || CvXSUB(sv)) | |
784 | RETPUSHYES; | |
785 | break; | |
786 | default: | |
787 | if (SvGMAGICAL(sv)) | |
788 | mg_get(sv); | |
789 | if (SvOK(sv)) | |
790 | RETPUSHYES; | |
791 | } | |
792 | RETPUSHNO; | |
463ee0b2 LW |
793 | } |
794 | ||
a0d0e21e LW |
795 | PP(pp_undef) |
796 | { | |
4e35701f | 797 | djSP; |
a0d0e21e LW |
798 | SV *sv; |
799 | ||
533c011a | 800 | if (!PL_op->op_private) { |
774d564b | 801 | EXTEND(SP, 1); |
a0d0e21e | 802 | RETPUSHUNDEF; |
774d564b | 803 | } |
79072805 | 804 | |
a0d0e21e LW |
805 | sv = POPs; |
806 | if (!sv) | |
807 | RETPUSHUNDEF; | |
85e6fe83 | 808 | |
6fc92669 GS |
809 | if (SvTHINKFIRST(sv)) |
810 | sv_force_normal(sv); | |
85e6fe83 | 811 | |
a0d0e21e LW |
812 | switch (SvTYPE(sv)) { |
813 | case SVt_NULL: | |
814 | break; | |
815 | case SVt_PVAV: | |
816 | av_undef((AV*)sv); | |
817 | break; | |
818 | case SVt_PVHV: | |
819 | hv_undef((HV*)sv); | |
820 | break; | |
821 | case SVt_PVCV: | |
599cee73 | 822 | if (ckWARN(WARN_UNSAFE) && cv_const_sv((CV*)sv)) |
cea2e8a9 | 823 | Perl_warner(aTHX_ WARN_UNSAFE, "Constant subroutine %s undefined", |
54310121 | 824 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 825 | /* FALL THROUGH */ |
826 | case SVt_PVFM: | |
6fc92669 GS |
827 | { |
828 | /* let user-undef'd sub keep its identity */ | |
829 | GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv)); | |
830 | cv_undef((CV*)sv); | |
831 | CvGV((CV*)sv) = gv; | |
832 | } | |
a0d0e21e | 833 | break; |
8e07c86e | 834 | case SVt_PVGV: |
44a8e56a | 835 | if (SvFAKE(sv)) |
3280af22 | 836 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
837 | else { |
838 | GP *gp; | |
839 | gp_free((GV*)sv); | |
840 | Newz(602, gp, 1, GP); | |
841 | GvGP(sv) = gp_ref(gp); | |
842 | GvSV(sv) = NEWSV(72,0); | |
3280af22 | 843 | GvLINE(sv) = PL_curcop->cop_line; |
20408e3c GS |
844 | GvEGV(sv) = (GV*)sv; |
845 | GvMULTI_on(sv); | |
846 | } | |
44a8e56a | 847 | break; |
a0d0e21e | 848 | default: |
1e422769 | 849 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
850 | (void)SvOOK_off(sv); |
851 | Safefree(SvPVX(sv)); | |
852 | SvPV_set(sv, Nullch); | |
853 | SvLEN_set(sv, 0); | |
a0d0e21e | 854 | } |
4633a7c4 LW |
855 | (void)SvOK_off(sv); |
856 | SvSETMAGIC(sv); | |
79072805 | 857 | } |
a0d0e21e LW |
858 | |
859 | RETPUSHUNDEF; | |
79072805 LW |
860 | } |
861 | ||
a0d0e21e | 862 | PP(pp_predec) |
79072805 | 863 | { |
4e35701f | 864 | djSP; |
68dc0745 | 865 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
cea2e8a9 | 866 | Perl_croak(aTHX_ PL_no_modify); |
25da4f38 | 867 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 868 | SvIVX(TOPs) != IV_MIN) |
869 | { | |
748a9306 | 870 | --SvIVX(TOPs); |
55497cff | 871 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
872 | } |
873 | else | |
874 | sv_dec(TOPs); | |
a0d0e21e LW |
875 | SvSETMAGIC(TOPs); |
876 | return NORMAL; | |
877 | } | |
79072805 | 878 | |
a0d0e21e LW |
879 | PP(pp_postinc) |
880 | { | |
4e35701f | 881 | djSP; dTARGET; |
68dc0745 | 882 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
cea2e8a9 | 883 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e | 884 | sv_setsv(TARG, TOPs); |
25da4f38 | 885 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 886 | SvIVX(TOPs) != IV_MAX) |
887 | { | |
748a9306 | 888 | ++SvIVX(TOPs); |
55497cff | 889 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
890 | } |
891 | else | |
892 | sv_inc(TOPs); | |
a0d0e21e LW |
893 | SvSETMAGIC(TOPs); |
894 | if (!SvOK(TARG)) | |
895 | sv_setiv(TARG, 0); | |
896 | SETs(TARG); | |
897 | return NORMAL; | |
898 | } | |
79072805 | 899 | |
a0d0e21e LW |
900 | PP(pp_postdec) |
901 | { | |
4e35701f | 902 | djSP; dTARGET; |
68dc0745 | 903 | if(SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
cea2e8a9 | 904 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e | 905 | sv_setsv(TARG, TOPs); |
25da4f38 | 906 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 907 | SvIVX(TOPs) != IV_MIN) |
908 | { | |
748a9306 | 909 | --SvIVX(TOPs); |
55497cff | 910 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
911 | } |
912 | else | |
913 | sv_dec(TOPs); | |
a0d0e21e LW |
914 | SvSETMAGIC(TOPs); |
915 | SETs(TARG); | |
916 | return NORMAL; | |
917 | } | |
79072805 | 918 | |
a0d0e21e LW |
919 | /* Ordinary operators. */ |
920 | ||
921 | PP(pp_pow) | |
922 | { | |
8ec5e241 | 923 | djSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
924 | { |
925 | dPOPTOPnnrl; | |
926 | SETn( pow( left, right) ); | |
927 | RETURN; | |
93a17b20 | 928 | } |
a0d0e21e LW |
929 | } |
930 | ||
931 | PP(pp_multiply) | |
932 | { | |
8ec5e241 | 933 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
934 | { |
935 | dPOPTOPnnrl; | |
936 | SETn( left * right ); | |
937 | RETURN; | |
79072805 | 938 | } |
a0d0e21e LW |
939 | } |
940 | ||
941 | PP(pp_divide) | |
942 | { | |
8ec5e241 | 943 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e | 944 | { |
77676ba1 | 945 | dPOPPOPnnrl; |
7a4c00b4 | 946 | double value; |
947 | if (right == 0.0) | |
cea2e8a9 | 948 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
949 | #ifdef SLOPPYDIVIDE |
950 | /* insure that 20./5. == 4. */ | |
951 | { | |
7a4c00b4 | 952 | IV k; |
953 | if ((double)I_V(left) == left && | |
954 | (double)I_V(right) == right && | |
955 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { | |
a0d0e21e | 956 | value = k; |
ef54e1a4 JH |
957 | } |
958 | else { | |
7a4c00b4 | 959 | value = left / right; |
79072805 | 960 | } |
a0d0e21e LW |
961 | } |
962 | #else | |
7a4c00b4 | 963 | value = left / right; |
a0d0e21e LW |
964 | #endif |
965 | PUSHn( value ); | |
966 | RETURN; | |
79072805 | 967 | } |
a0d0e21e LW |
968 | } |
969 | ||
970 | PP(pp_modulo) | |
971 | { | |
76e3520e | 972 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 973 | { |
787eafbd IZ |
974 | UV left; |
975 | UV right; | |
976 | bool left_neg; | |
977 | bool right_neg; | |
978 | bool use_double = 0; | |
979 | double dright; | |
980 | double dleft; | |
981 | ||
982 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { | |
983 | IV i = SvIVX(POPs); | |
984 | right = (right_neg = (i < 0)) ? -i : i; | |
985 | } | |
986 | else { | |
987 | dright = POPn; | |
988 | use_double = 1; | |
989 | right_neg = dright < 0; | |
990 | if (right_neg) | |
991 | dright = -dright; | |
992 | } | |
a0d0e21e | 993 | |
787eafbd IZ |
994 | if (!use_double && SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
995 | IV i = SvIVX(POPs); | |
996 | left = (left_neg = (i < 0)) ? -i : i; | |
997 | } | |
998 | else { | |
999 | dleft = POPn; | |
1000 | if (!use_double) { | |
a1bd196e GS |
1001 | use_double = 1; |
1002 | dright = right; | |
787eafbd IZ |
1003 | } |
1004 | left_neg = dleft < 0; | |
1005 | if (left_neg) | |
1006 | dleft = -dleft; | |
1007 | } | |
68dc0745 | 1008 | |
787eafbd IZ |
1009 | if (use_double) { |
1010 | double dans; | |
1011 | ||
1012 | #if 1 | |
787eafbd IZ |
1013 | /* Somehow U_V is pessimized even if CASTFLAGS is 0 */ |
1014 | # if CASTFLAGS & 2 | |
1015 | # define CAST_D2UV(d) U_V(d) | |
1016 | # else | |
1017 | # define CAST_D2UV(d) ((UV)(d)) | |
1018 | # endif | |
a1bd196e GS |
1019 | /* Tried to do this only in the case DOUBLESIZE <= UV_SIZE, |
1020 | * or, in other words, precision of UV more than of NV. | |
1021 | * But in fact the approach below turned out to be an | |
1022 | * optimization - floor() may be slow */ | |
787eafbd IZ |
1023 | if (dright <= UV_MAX && dleft <= UV_MAX) { |
1024 | right = CAST_D2UV(dright); | |
1025 | left = CAST_D2UV(dleft); | |
1026 | goto do_uv; | |
1027 | } | |
1028 | #endif | |
1029 | ||
1030 | /* Backward-compatibility clause: */ | |
853846ea NIS |
1031 | dright = floor(dright + 0.5); |
1032 | dleft = floor(dleft + 0.5); | |
787eafbd IZ |
1033 | |
1034 | if (!dright) | |
cea2e8a9 | 1035 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1036 | |
1037 | dans = fmod(dleft, dright); | |
1038 | if ((left_neg != right_neg) && dans) | |
1039 | dans = dright - dans; | |
1040 | if (right_neg) | |
1041 | dans = -dans; | |
1042 | sv_setnv(TARG, dans); | |
1043 | } | |
1044 | else { | |
1045 | UV ans; | |
1046 | ||
1047 | do_uv: | |
1048 | if (!right) | |
cea2e8a9 | 1049 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1050 | |
1051 | ans = left % right; | |
1052 | if ((left_neg != right_neg) && ans) | |
1053 | ans = right - ans; | |
1054 | if (right_neg) { | |
1055 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1056 | /* could change -foo to be (~foo)+1 instead */ | |
1057 | if (ans <= ~((UV)IV_MAX)+1) | |
1058 | sv_setiv(TARG, ~ans+1); | |
1059 | else | |
1060 | sv_setnv(TARG, -(double)ans); | |
1061 | } | |
1062 | else | |
1063 | sv_setuv(TARG, ans); | |
1064 | } | |
1065 | PUSHTARG; | |
1066 | RETURN; | |
79072805 | 1067 | } |
a0d0e21e | 1068 | } |
79072805 | 1069 | |
a0d0e21e LW |
1070 | PP(pp_repeat) |
1071 | { | |
4e35701f | 1072 | djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1073 | { |
a0d0e21e | 1074 | register I32 count = POPi; |
533c011a | 1075 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
1076 | dMARK; |
1077 | I32 items = SP - MARK; | |
1078 | I32 max; | |
79072805 | 1079 | |
a0d0e21e LW |
1080 | max = items * count; |
1081 | MEXTEND(MARK, max); | |
1082 | if (count > 1) { | |
1083 | while (SP > MARK) { | |
1084 | if (*SP) | |
1085 | SvTEMP_off((*SP)); | |
1086 | SP--; | |
79072805 | 1087 | } |
a0d0e21e LW |
1088 | MARK++; |
1089 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1090 | items * sizeof(SV*), count - 1); | |
1091 | SP += max; | |
79072805 | 1092 | } |
a0d0e21e LW |
1093 | else if (count <= 0) |
1094 | SP -= items; | |
79072805 | 1095 | } |
a0d0e21e LW |
1096 | else { /* Note: mark already snarfed by pp_list */ |
1097 | SV *tmpstr; | |
1098 | STRLEN len; | |
1099 | ||
1100 | tmpstr = POPs; | |
a0d0e21e LW |
1101 | SvSetSV(TARG, tmpstr); |
1102 | SvPV_force(TARG, len); | |
8ebc5c01 | 1103 | if (count != 1) { |
1104 | if (count < 1) | |
1105 | SvCUR_set(TARG, 0); | |
1106 | else { | |
1107 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1108 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1109 | SvCUR(TARG) *= count; |
7a4c00b4 | 1110 | } |
a0d0e21e | 1111 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1112 | } |
8ebc5c01 | 1113 | (void)SvPOK_only(TARG); |
a0d0e21e | 1114 | PUSHTARG; |
79072805 | 1115 | } |
a0d0e21e | 1116 | RETURN; |
748a9306 | 1117 | } |
a0d0e21e | 1118 | } |
79072805 | 1119 | |
a0d0e21e LW |
1120 | PP(pp_subtract) |
1121 | { | |
8ec5e241 | 1122 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 1123 | { |
7a4c00b4 | 1124 | dPOPTOPnnrl_ul; |
a0d0e21e LW |
1125 | SETn( left - right ); |
1126 | RETURN; | |
79072805 | 1127 | } |
a0d0e21e | 1128 | } |
79072805 | 1129 | |
a0d0e21e LW |
1130 | PP(pp_left_shift) |
1131 | { | |
8ec5e241 | 1132 | djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1133 | { |
36477c24 | 1134 | IBW shift = POPi; |
533c011a | 1135 | if (PL_op->op_private & HINT_INTEGER) { |
36477c24 | 1136 | IBW i = TOPi; |
46fc3d4c | 1137 | i = BWi(i) << shift; |
96e4d5b1 | 1138 | SETi(BWi(i)); |
ff68c719 | 1139 | } |
1140 | else { | |
36477c24 | 1141 | UBW u = TOPu; |
96e4d5b1 | 1142 | u <<= shift; |
1143 | SETu(BWu(u)); | |
ff68c719 | 1144 | } |
55497cff | 1145 | RETURN; |
79072805 | 1146 | } |
a0d0e21e | 1147 | } |
79072805 | 1148 | |
a0d0e21e LW |
1149 | PP(pp_right_shift) |
1150 | { | |
8ec5e241 | 1151 | djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1152 | { |
36477c24 | 1153 | IBW shift = POPi; |
533c011a | 1154 | if (PL_op->op_private & HINT_INTEGER) { |
36477c24 | 1155 | IBW i = TOPi; |
46fc3d4c | 1156 | i = BWi(i) >> shift; |
96e4d5b1 | 1157 | SETi(BWi(i)); |
ff68c719 | 1158 | } |
1159 | else { | |
36477c24 | 1160 | UBW u = TOPu; |
96e4d5b1 | 1161 | u >>= shift; |
1162 | SETu(BWu(u)); | |
ff68c719 | 1163 | } |
a0d0e21e | 1164 | RETURN; |
93a17b20 | 1165 | } |
79072805 LW |
1166 | } |
1167 | ||
a0d0e21e | 1168 | PP(pp_lt) |
79072805 | 1169 | { |
8ec5e241 | 1170 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1171 | { |
1172 | dPOPnv; | |
54310121 | 1173 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1174 | RETURN; |
79072805 | 1175 | } |
a0d0e21e | 1176 | } |
79072805 | 1177 | |
a0d0e21e LW |
1178 | PP(pp_gt) |
1179 | { | |
8ec5e241 | 1180 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1181 | { |
1182 | dPOPnv; | |
54310121 | 1183 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1184 | RETURN; |
79072805 | 1185 | } |
a0d0e21e LW |
1186 | } |
1187 | ||
1188 | PP(pp_le) | |
1189 | { | |
8ec5e241 | 1190 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1191 | { |
1192 | dPOPnv; | |
54310121 | 1193 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1194 | RETURN; |
79072805 | 1195 | } |
a0d0e21e LW |
1196 | } |
1197 | ||
1198 | PP(pp_ge) | |
1199 | { | |
8ec5e241 | 1200 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1201 | { |
1202 | dPOPnv; | |
54310121 | 1203 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1204 | RETURN; |
79072805 | 1205 | } |
a0d0e21e | 1206 | } |
79072805 | 1207 | |
a0d0e21e LW |
1208 | PP(pp_ne) |
1209 | { | |
8ec5e241 | 1210 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1211 | { |
1212 | dPOPnv; | |
54310121 | 1213 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1214 | RETURN; |
1215 | } | |
79072805 LW |
1216 | } |
1217 | ||
a0d0e21e | 1218 | PP(pp_ncmp) |
79072805 | 1219 | { |
8ec5e241 | 1220 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1221 | { |
1222 | dPOPTOPnnrl; | |
1223 | I32 value; | |
79072805 | 1224 | |
ff0cee69 | 1225 | if (left == right) |
a0d0e21e | 1226 | value = 0; |
a0d0e21e LW |
1227 | else if (left < right) |
1228 | value = -1; | |
44a8e56a | 1229 | else if (left > right) |
1230 | value = 1; | |
1231 | else { | |
3280af22 | 1232 | SETs(&PL_sv_undef); |
44a8e56a | 1233 | RETURN; |
1234 | } | |
a0d0e21e LW |
1235 | SETi(value); |
1236 | RETURN; | |
79072805 | 1237 | } |
a0d0e21e | 1238 | } |
79072805 | 1239 | |
a0d0e21e LW |
1240 | PP(pp_slt) |
1241 | { | |
8ec5e241 | 1242 | djSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1243 | { |
1244 | dPOPTOPssrl; | |
533c011a | 1245 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1246 | ? sv_cmp_locale(left, right) |
1247 | : sv_cmp(left, right)); | |
54310121 | 1248 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1249 | RETURN; |
1250 | } | |
79072805 LW |
1251 | } |
1252 | ||
a0d0e21e | 1253 | PP(pp_sgt) |
79072805 | 1254 | { |
8ec5e241 | 1255 | djSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1256 | { |
1257 | dPOPTOPssrl; | |
533c011a | 1258 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1259 | ? sv_cmp_locale(left, right) |
1260 | : sv_cmp(left, right)); | |
54310121 | 1261 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1262 | RETURN; |
1263 | } | |
1264 | } | |
79072805 | 1265 | |
a0d0e21e LW |
1266 | PP(pp_sle) |
1267 | { | |
8ec5e241 | 1268 | djSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1269 | { |
1270 | dPOPTOPssrl; | |
533c011a | 1271 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1272 | ? sv_cmp_locale(left, right) |
1273 | : sv_cmp(left, right)); | |
54310121 | 1274 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1275 | RETURN; |
79072805 | 1276 | } |
79072805 LW |
1277 | } |
1278 | ||
a0d0e21e LW |
1279 | PP(pp_sge) |
1280 | { | |
8ec5e241 | 1281 | djSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1282 | { |
1283 | dPOPTOPssrl; | |
533c011a | 1284 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1285 | ? sv_cmp_locale(left, right) |
1286 | : sv_cmp(left, right)); | |
54310121 | 1287 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1288 | RETURN; |
1289 | } | |
1290 | } | |
79072805 | 1291 | |
36477c24 | 1292 | PP(pp_seq) |
1293 | { | |
8ec5e241 | 1294 | djSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1295 | { |
1296 | dPOPTOPssrl; | |
54310121 | 1297 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1298 | RETURN; |
1299 | } | |
1300 | } | |
79072805 | 1301 | |
a0d0e21e | 1302 | PP(pp_sne) |
79072805 | 1303 | { |
8ec5e241 | 1304 | djSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1305 | { |
1306 | dPOPTOPssrl; | |
54310121 | 1307 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1308 | RETURN; |
463ee0b2 | 1309 | } |
79072805 LW |
1310 | } |
1311 | ||
a0d0e21e | 1312 | PP(pp_scmp) |
79072805 | 1313 | { |
4e35701f | 1314 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1315 | { |
1316 | dPOPTOPssrl; | |
533c011a | 1317 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1318 | ? sv_cmp_locale(left, right) |
1319 | : sv_cmp(left, right)); | |
1320 | SETi( cmp ); | |
a0d0e21e LW |
1321 | RETURN; |
1322 | } | |
1323 | } | |
79072805 | 1324 | |
55497cff | 1325 | PP(pp_bit_and) |
1326 | { | |
8ec5e241 | 1327 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1328 | { |
1329 | dPOPTOPssrl; | |
4633a7c4 | 1330 | if (SvNIOKp(left) || SvNIOKp(right)) { |
533c011a | 1331 | if (PL_op->op_private & HINT_INTEGER) { |
8ec5e241 | 1332 | IBW value = SvIV(left) & SvIV(right); |
96e4d5b1 | 1333 | SETi(BWi(value)); |
36477c24 | 1334 | } |
1335 | else { | |
8ec5e241 | 1336 | UBW value = SvUV(left) & SvUV(right); |
96e4d5b1 | 1337 | SETu(BWu(value)); |
36477c24 | 1338 | } |
a0d0e21e LW |
1339 | } |
1340 | else { | |
533c011a | 1341 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1342 | SETTARG; |
1343 | } | |
1344 | RETURN; | |
1345 | } | |
1346 | } | |
79072805 | 1347 | |
a0d0e21e LW |
1348 | PP(pp_bit_xor) |
1349 | { | |
8ec5e241 | 1350 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
1351 | { |
1352 | dPOPTOPssrl; | |
4633a7c4 | 1353 | if (SvNIOKp(left) || SvNIOKp(right)) { |
533c011a | 1354 | if (PL_op->op_private & HINT_INTEGER) { |
8ec5e241 | 1355 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
96e4d5b1 | 1356 | SETi(BWi(value)); |
36477c24 | 1357 | } |
1358 | else { | |
8ec5e241 | 1359 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
96e4d5b1 | 1360 | SETu(BWu(value)); |
36477c24 | 1361 | } |
a0d0e21e LW |
1362 | } |
1363 | else { | |
533c011a | 1364 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1365 | SETTARG; |
1366 | } | |
1367 | RETURN; | |
1368 | } | |
1369 | } | |
79072805 | 1370 | |
a0d0e21e LW |
1371 | PP(pp_bit_or) |
1372 | { | |
8ec5e241 | 1373 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
1374 | { |
1375 | dPOPTOPssrl; | |
4633a7c4 | 1376 | if (SvNIOKp(left) || SvNIOKp(right)) { |
533c011a | 1377 | if (PL_op->op_private & HINT_INTEGER) { |
8ec5e241 | 1378 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
96e4d5b1 | 1379 | SETi(BWi(value)); |
36477c24 | 1380 | } |
1381 | else { | |
8ec5e241 | 1382 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
96e4d5b1 | 1383 | SETu(BWu(value)); |
36477c24 | 1384 | } |
a0d0e21e LW |
1385 | } |
1386 | else { | |
533c011a | 1387 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1388 | SETTARG; |
1389 | } | |
1390 | RETURN; | |
79072805 | 1391 | } |
a0d0e21e | 1392 | } |
79072805 | 1393 | |
a0d0e21e LW |
1394 | PP(pp_negate) |
1395 | { | |
4e35701f | 1396 | djSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
1397 | { |
1398 | dTOPss; | |
4633a7c4 LW |
1399 | if (SvGMAGICAL(sv)) |
1400 | mg_get(sv); | |
55497cff | 1401 | if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN) |
1402 | SETi(-SvIVX(sv)); | |
1403 | else if (SvNIOKp(sv)) | |
a0d0e21e | 1404 | SETn(-SvNV(sv)); |
4633a7c4 | 1405 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
1406 | STRLEN len; |
1407 | char *s = SvPV(sv, len); | |
bbce6d69 | 1408 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
1409 | sv_setpvn(TARG, "-", 1); |
1410 | sv_catsv(TARG, sv); | |
79072805 | 1411 | } |
a0d0e21e LW |
1412 | else if (*s == '+' || *s == '-') { |
1413 | sv_setsv(TARG, sv); | |
1414 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 1415 | } |
b86a2fa7 | 1416 | else if (IN_UTF8 && *(U8*)s >= 0xc0 && isIDFIRST_utf8((U8*)s)) { |
834a4ddd LW |
1417 | sv_setpvn(TARG, "-", 1); |
1418 | sv_catsv(TARG, sv); | |
1419 | } | |
79072805 | 1420 | else |
a0d0e21e LW |
1421 | sv_setnv(TARG, -SvNV(sv)); |
1422 | SETTARG; | |
79072805 | 1423 | } |
4633a7c4 LW |
1424 | else |
1425 | SETn(-SvNV(sv)); | |
79072805 | 1426 | } |
a0d0e21e | 1427 | RETURN; |
79072805 LW |
1428 | } |
1429 | ||
a0d0e21e | 1430 | PP(pp_not) |
79072805 | 1431 | { |
4e35701f | 1432 | djSP; tryAMAGICunSET(not); |
3280af22 | 1433 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 1434 | return NORMAL; |
79072805 LW |
1435 | } |
1436 | ||
a0d0e21e | 1437 | PP(pp_complement) |
79072805 | 1438 | { |
8ec5e241 | 1439 | djSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
1440 | { |
1441 | dTOPss; | |
4633a7c4 | 1442 | if (SvNIOKp(sv)) { |
533c011a | 1443 | if (PL_op->op_private & HINT_INTEGER) { |
36477c24 | 1444 | IBW value = ~SvIV(sv); |
96e4d5b1 | 1445 | SETi(BWi(value)); |
36477c24 | 1446 | } |
1447 | else { | |
1448 | UBW value = ~SvUV(sv); | |
96e4d5b1 | 1449 | SETu(BWu(value)); |
36477c24 | 1450 | } |
a0d0e21e LW |
1451 | } |
1452 | else { | |
1453 | register char *tmps; | |
1454 | register long *tmpl; | |
55497cff | 1455 | register I32 anum; |
a0d0e21e LW |
1456 | STRLEN len; |
1457 | ||
1458 | SvSetSV(TARG, sv); | |
1459 | tmps = SvPV_force(TARG, len); | |
1460 | anum = len; | |
1461 | #ifdef LIBERAL | |
1462 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
1463 | *tmps = ~*tmps; | |
1464 | tmpl = (long*)tmps; | |
1465 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
1466 | *tmpl = ~*tmpl; | |
1467 | tmps = (char*)tmpl; | |
1468 | #endif | |
1469 | for ( ; anum > 0; anum--, tmps++) | |
1470 | *tmps = ~*tmps; | |
1471 | ||
1472 | SETs(TARG); | |
1473 | } | |
1474 | RETURN; | |
1475 | } | |
79072805 LW |
1476 | } |
1477 | ||
a0d0e21e LW |
1478 | /* integer versions of some of the above */ |
1479 | ||
a0d0e21e | 1480 | PP(pp_i_multiply) |
79072805 | 1481 | { |
8ec5e241 | 1482 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
1483 | { |
1484 | dPOPTOPiirl; | |
1485 | SETi( left * right ); | |
1486 | RETURN; | |
1487 | } | |
79072805 LW |
1488 | } |
1489 | ||
a0d0e21e | 1490 | PP(pp_i_divide) |
79072805 | 1491 | { |
8ec5e241 | 1492 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
1493 | { |
1494 | dPOPiv; | |
1495 | if (value == 0) | |
cea2e8a9 | 1496 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
1497 | value = POPi / value; |
1498 | PUSHi( value ); | |
1499 | RETURN; | |
1500 | } | |
79072805 LW |
1501 | } |
1502 | ||
a0d0e21e | 1503 | PP(pp_i_modulo) |
79072805 | 1504 | { |
76e3520e | 1505 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 1506 | { |
a0d0e21e | 1507 | dPOPTOPiirl; |
aa306039 | 1508 | if (!right) |
cea2e8a9 | 1509 | DIE(aTHX_ "Illegal modulus zero"); |
a0d0e21e LW |
1510 | SETi( left % right ); |
1511 | RETURN; | |
79072805 | 1512 | } |
79072805 LW |
1513 | } |
1514 | ||
a0d0e21e | 1515 | PP(pp_i_add) |
79072805 | 1516 | { |
8ec5e241 | 1517 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e LW |
1518 | { |
1519 | dPOPTOPiirl; | |
1520 | SETi( left + right ); | |
1521 | RETURN; | |
79072805 | 1522 | } |
79072805 LW |
1523 | } |
1524 | ||
a0d0e21e | 1525 | PP(pp_i_subtract) |
79072805 | 1526 | { |
8ec5e241 | 1527 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e LW |
1528 | { |
1529 | dPOPTOPiirl; | |
1530 | SETi( left - right ); | |
1531 | RETURN; | |
79072805 | 1532 | } |
79072805 LW |
1533 | } |
1534 | ||
a0d0e21e | 1535 | PP(pp_i_lt) |
79072805 | 1536 | { |
8ec5e241 | 1537 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1538 | { |
1539 | dPOPTOPiirl; | |
54310121 | 1540 | SETs(boolSV(left < right)); |
a0d0e21e LW |
1541 | RETURN; |
1542 | } | |
79072805 LW |
1543 | } |
1544 | ||
a0d0e21e | 1545 | PP(pp_i_gt) |
79072805 | 1546 | { |
8ec5e241 | 1547 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1548 | { |
1549 | dPOPTOPiirl; | |
54310121 | 1550 | SETs(boolSV(left > right)); |
a0d0e21e LW |
1551 | RETURN; |
1552 | } | |
79072805 LW |
1553 | } |
1554 | ||
a0d0e21e | 1555 | PP(pp_i_le) |
79072805 | 1556 | { |
8ec5e241 | 1557 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1558 | { |
1559 | dPOPTOPiirl; | |
54310121 | 1560 | SETs(boolSV(left <= right)); |
a0d0e21e | 1561 | RETURN; |
85e6fe83 | 1562 | } |
79072805 LW |
1563 | } |
1564 | ||
a0d0e21e | 1565 | PP(pp_i_ge) |
79072805 | 1566 | { |
8ec5e241 | 1567 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1568 | { |
1569 | dPOPTOPiirl; | |
54310121 | 1570 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
1571 | RETURN; |
1572 | } | |
79072805 LW |
1573 | } |
1574 | ||
a0d0e21e | 1575 | PP(pp_i_eq) |
79072805 | 1576 | { |
8ec5e241 | 1577 | djSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
1578 | { |
1579 | dPOPTOPiirl; | |
54310121 | 1580 | SETs(boolSV(left == right)); |
a0d0e21e LW |
1581 | RETURN; |
1582 | } | |
79072805 LW |
1583 | } |
1584 | ||
a0d0e21e | 1585 | PP(pp_i_ne) |
79072805 | 1586 | { |
8ec5e241 | 1587 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1588 | { |
1589 | dPOPTOPiirl; | |
54310121 | 1590 | SETs(boolSV(left != right)); |
a0d0e21e LW |
1591 | RETURN; |
1592 | } | |
79072805 LW |
1593 | } |
1594 | ||
a0d0e21e | 1595 | PP(pp_i_ncmp) |
79072805 | 1596 | { |
8ec5e241 | 1597 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1598 | { |
1599 | dPOPTOPiirl; | |
1600 | I32 value; | |
79072805 | 1601 | |
a0d0e21e | 1602 | if (left > right) |
79072805 | 1603 | value = 1; |
a0d0e21e | 1604 | else if (left < right) |
79072805 | 1605 | value = -1; |
a0d0e21e | 1606 | else |
79072805 | 1607 | value = 0; |
a0d0e21e LW |
1608 | SETi(value); |
1609 | RETURN; | |
79072805 | 1610 | } |
85e6fe83 LW |
1611 | } |
1612 | ||
1613 | PP(pp_i_negate) | |
1614 | { | |
4e35701f | 1615 | djSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
1616 | SETi(-TOPi); |
1617 | RETURN; | |
1618 | } | |
1619 | ||
79072805 LW |
1620 | /* High falutin' math. */ |
1621 | ||
1622 | PP(pp_atan2) | |
1623 | { | |
8ec5e241 | 1624 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
1625 | { |
1626 | dPOPTOPnnrl; | |
1627 | SETn(atan2(left, right)); | |
1628 | RETURN; | |
1629 | } | |
79072805 LW |
1630 | } |
1631 | ||
1632 | PP(pp_sin) | |
1633 | { | |
4e35701f | 1634 | djSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e LW |
1635 | { |
1636 | double value; | |
1637 | value = POPn; | |
1638 | value = sin(value); | |
1639 | XPUSHn(value); | |
1640 | RETURN; | |
1641 | } | |
79072805 LW |
1642 | } |
1643 | ||
1644 | PP(pp_cos) | |
1645 | { | |
4e35701f | 1646 | djSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e LW |
1647 | { |
1648 | double value; | |
1649 | value = POPn; | |
1650 | value = cos(value); | |
1651 | XPUSHn(value); | |
1652 | RETURN; | |
1653 | } | |
79072805 LW |
1654 | } |
1655 | ||
56cb0a1c AD |
1656 | /* Support Configure command-line overrides for rand() functions. |
1657 | After 5.005, perhaps we should replace this by Configure support | |
1658 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
1659 | compatibility by calling rand() but allow the user to override it. | |
1660 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
1661 | */ | |
85ab1d1d JH |
1662 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
1663 | in addition to rand(). So the overrides should not be needed any more. | |
1664 | --Jarkko Hietaniemi 27 September 1998 | |
1665 | */ | |
1666 | ||
1667 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 1668 | extern double drand48 (void); |
56cb0a1c AD |
1669 | #endif |
1670 | ||
79072805 LW |
1671 | PP(pp_rand) |
1672 | { | |
4e35701f | 1673 | djSP; dTARGET; |
79072805 LW |
1674 | double value; |
1675 | if (MAXARG < 1) | |
1676 | value = 1.0; | |
1677 | else | |
1678 | value = POPn; | |
1679 | if (value == 0.0) | |
1680 | value = 1.0; | |
80252599 | 1681 | if (!PL_srand_called) { |
85ab1d1d | 1682 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 1683 | PL_srand_called = TRUE; |
93dc8474 | 1684 | } |
85ab1d1d | 1685 | value *= Drand01(); |
79072805 LW |
1686 | XPUSHn(value); |
1687 | RETURN; | |
1688 | } | |
1689 | ||
1690 | PP(pp_srand) | |
1691 | { | |
4e35701f | 1692 | djSP; |
93dc8474 CS |
1693 | UV anum; |
1694 | if (MAXARG < 1) | |
1695 | anum = seed(); | |
79072805 | 1696 | else |
93dc8474 | 1697 | anum = POPu; |
85ab1d1d | 1698 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 1699 | PL_srand_called = TRUE; |
79072805 LW |
1700 | EXTEND(SP, 1); |
1701 | RETPUSHYES; | |
1702 | } | |
1703 | ||
76e3520e | 1704 | STATIC U32 |
cea2e8a9 | 1705 | S_seed(pTHX) |
93dc8474 | 1706 | { |
54310121 | 1707 | /* |
1708 | * This is really just a quick hack which grabs various garbage | |
1709 | * values. It really should be a real hash algorithm which | |
1710 | * spreads the effect of every input bit onto every output bit, | |
85ab1d1d | 1711 | * if someone who knows about such things would bother to write it. |
54310121 | 1712 | * Might be a good idea to add that function to CORE as well. |
85ab1d1d | 1713 | * No numbers below come from careful analysis or anything here, |
54310121 | 1714 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
1715 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
1716 | * probably be bigger too. | |
1717 | */ | |
1718 | #if RANDBITS > 16 | |
1719 | # define SEED_C1 1000003 | |
1720 | #define SEED_C4 73819 | |
1721 | #else | |
1722 | # define SEED_C1 25747 | |
1723 | #define SEED_C4 20639 | |
1724 | #endif | |
1725 | #define SEED_C2 3 | |
1726 | #define SEED_C3 269 | |
1727 | #define SEED_C5 26107 | |
1728 | ||
e858de61 | 1729 | dTHR; |
73c60299 RS |
1730 | #ifndef PERL_NO_DEV_RANDOM |
1731 | int fd; | |
1732 | #endif | |
93dc8474 | 1733 | U32 u; |
f12c7020 | 1734 | #ifdef VMS |
1735 | # include <starlet.h> | |
43c92808 HF |
1736 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
1737 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 | 1738 | unsigned int when[2]; |
73c60299 RS |
1739 | #else |
1740 | # ifdef HAS_GETTIMEOFDAY | |
1741 | struct timeval when; | |
1742 | # else | |
1743 | Time_t when; | |
1744 | # endif | |
1745 | #endif | |
1746 | ||
1747 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
1748 | #ifndef PERL_NO_DEV_RANDOM | |
1749 | #ifndef PERL_RANDOM_DEVICE | |
1750 | /* /dev/random isn't used by default because reads from it will block | |
1751 | * if there isn't enough entropy available. You can compile with | |
1752 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
1753 | * is enough real entropy to fill the seed. */ | |
1754 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
1755 | #endif | |
1756 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
1757 | if (fd != -1) { | |
1758 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
1759 | u = 0; | |
1760 | PerlLIO_close(fd); | |
1761 | if (u) | |
1762 | return u; | |
1763 | } | |
1764 | #endif | |
1765 | ||
1766 | #ifdef VMS | |
93dc8474 | 1767 | _ckvmssts(sys$gettim(when)); |
54310121 | 1768 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 1769 | #else |
5f05dabc | 1770 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 | 1771 | gettimeofday(&when,(struct timezone *) 0); |
54310121 | 1772 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 1773 | # else |
93dc8474 | 1774 | (void)time(&when); |
54310121 | 1775 | u = (U32)SEED_C1 * when; |
f12c7020 | 1776 | # endif |
1777 | #endif | |
54310121 | 1778 | u += SEED_C3 * (U32)getpid(); |
3280af22 | 1779 | u += SEED_C4 * (U32)(UV)PL_stack_sp; |
54310121 | 1780 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
1781 | u += SEED_C5 * (U32)(UV)&when; | |
f12c7020 | 1782 | #endif |
93dc8474 | 1783 | return u; |
79072805 LW |
1784 | } |
1785 | ||
1786 | PP(pp_exp) | |
1787 | { | |
4e35701f | 1788 | djSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e LW |
1789 | { |
1790 | double value; | |
1791 | value = POPn; | |
1792 | value = exp(value); | |
1793 | XPUSHn(value); | |
1794 | RETURN; | |
1795 | } | |
79072805 LW |
1796 | } |
1797 | ||
1798 | PP(pp_log) | |
1799 | { | |
4e35701f | 1800 | djSP; dTARGET; tryAMAGICun(log); |
a0d0e21e LW |
1801 | { |
1802 | double value; | |
1803 | value = POPn; | |
bbce6d69 | 1804 | if (value <= 0.0) { |
097ee67d | 1805 | RESTORE_NUMERIC_STANDARD(); |
cea2e8a9 | 1806 | DIE(aTHX_ "Can't take log of %g", value); |
bbce6d69 | 1807 | } |
a0d0e21e LW |
1808 | value = log(value); |
1809 | XPUSHn(value); | |
1810 | RETURN; | |
1811 | } | |
79072805 LW |
1812 | } |
1813 | ||
1814 | PP(pp_sqrt) | |
1815 | { | |
4e35701f | 1816 | djSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e LW |
1817 | { |
1818 | double value; | |
1819 | value = POPn; | |
bbce6d69 | 1820 | if (value < 0.0) { |
097ee67d | 1821 | RESTORE_NUMERIC_STANDARD(); |
cea2e8a9 | 1822 | DIE(aTHX_ "Can't take sqrt of %g", value); |
bbce6d69 | 1823 | } |
a0d0e21e LW |
1824 | value = sqrt(value); |
1825 | XPUSHn(value); | |
1826 | RETURN; | |
1827 | } | |
79072805 LW |
1828 | } |
1829 | ||
1830 | PP(pp_int) | |
1831 | { | |
4e35701f | 1832 | djSP; dTARGET; |
774d564b | 1833 | { |
1834 | double value = TOPn; | |
1835 | IV iv; | |
1836 | ||
1837 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) { | |
1838 | iv = SvIVX(TOPs); | |
1839 | SETi(iv); | |
1840 | } | |
1841 | else { | |
1842 | if (value >= 0.0) | |
1843 | (void)modf(value, &value); | |
1844 | else { | |
1845 | (void)modf(-value, &value); | |
1846 | value = -value; | |
1847 | } | |
1848 | iv = I_V(value); | |
1849 | if (iv == value) | |
1850 | SETi(iv); | |
1851 | else | |
1852 | SETn(value); | |
1853 | } | |
79072805 | 1854 | } |
79072805 LW |
1855 | RETURN; |
1856 | } | |
1857 | ||
463ee0b2 LW |
1858 | PP(pp_abs) |
1859 | { | |
4e35701f | 1860 | djSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 1861 | { |
774d564b | 1862 | double value = TOPn; |
1863 | IV iv; | |
463ee0b2 | 1864 | |
774d564b | 1865 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) && |
1866 | (iv = SvIVX(TOPs)) != IV_MIN) { | |
1867 | if (iv < 0) | |
1868 | iv = -iv; | |
1869 | SETi(iv); | |
1870 | } | |
1871 | else { | |
1872 | if (value < 0.0) | |
1873 | value = -value; | |
1874 | SETn(value); | |
1875 | } | |
a0d0e21e | 1876 | } |
774d564b | 1877 | RETURN; |
463ee0b2 LW |
1878 | } |
1879 | ||
79072805 LW |
1880 | PP(pp_hex) |
1881 | { | |
4e35701f | 1882 | djSP; dTARGET; |
79072805 LW |
1883 | char *tmps; |
1884 | I32 argtype; | |
2d8e6c8d | 1885 | STRLEN n_a; |
79072805 | 1886 | |
2d8e6c8d | 1887 | tmps = POPpx; |
55497cff | 1888 | XPUSHu(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
1889 | RETURN; |
1890 | } | |
1891 | ||
1892 | PP(pp_oct) | |
1893 | { | |
4e35701f | 1894 | djSP; dTARGET; |
55497cff | 1895 | UV value; |
79072805 LW |
1896 | I32 argtype; |
1897 | char *tmps; | |
2d8e6c8d | 1898 | STRLEN n_a; |
79072805 | 1899 | |
2d8e6c8d | 1900 | tmps = POPpx; |
464e2e8a | 1901 | while (*tmps && isSPACE(*tmps)) |
1902 | tmps++; | |
1903 | if (*tmps == '0') | |
79072805 LW |
1904 | tmps++; |
1905 | if (*tmps == 'x') | |
464e2e8a | 1906 | value = scan_hex(++tmps, 99, &argtype); |
4f19785b WSI |
1907 | else if (*tmps == 'b') |
1908 | value = scan_bin(++tmps, 99, &argtype); | |
464e2e8a | 1909 | else |
1910 | value = scan_oct(tmps, 99, &argtype); | |
55497cff | 1911 | XPUSHu(value); |
79072805 LW |
1912 | RETURN; |
1913 | } | |
1914 | ||
1915 | /* String stuff. */ | |
1916 | ||
1917 | PP(pp_length) | |
1918 | { | |
4e35701f | 1919 | djSP; dTARGET; |
a0ed51b3 LW |
1920 | |
1921 | if (IN_UTF8) { | |
1922 | SETi( sv_len_utf8(TOPs) ); | |
1923 | RETURN; | |
1924 | } | |
1925 | ||
a0d0e21e | 1926 | SETi( sv_len(TOPs) ); |
79072805 LW |
1927 | RETURN; |
1928 | } | |
1929 | ||
1930 | PP(pp_substr) | |
1931 | { | |
4e35701f | 1932 | djSP; dTARGET; |
79072805 LW |
1933 | SV *sv; |
1934 | I32 len; | |
463ee0b2 | 1935 | STRLEN curlen; |
a0ed51b3 | 1936 | STRLEN utfcurlen; |
79072805 LW |
1937 | I32 pos; |
1938 | I32 rem; | |
84902520 | 1939 | I32 fail; |
533c011a | 1940 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
79072805 | 1941 | char *tmps; |
3280af22 | 1942 | I32 arybase = PL_curcop->cop_arybase; |
7b8d334a GS |
1943 | char *repl = 0; |
1944 | STRLEN repl_len; | |
79072805 | 1945 | |
20408e3c | 1946 | SvTAINTED_off(TARG); /* decontaminate */ |
5d82c453 GA |
1947 | if (MAXARG > 2) { |
1948 | if (MAXARG > 3) { | |
1949 | sv = POPs; | |
1950 | repl = SvPV(sv, repl_len); | |
7b8d334a | 1951 | } |
79072805 | 1952 | len = POPi; |
5d82c453 | 1953 | } |
84902520 | 1954 | pos = POPi; |
79072805 | 1955 | sv = POPs; |
849ca7ee | 1956 | PUTBACK; |
a0d0e21e | 1957 | tmps = SvPV(sv, curlen); |
a0ed51b3 LW |
1958 | if (IN_UTF8) { |
1959 | utfcurlen = sv_len_utf8(sv); | |
1960 | if (utfcurlen == curlen) | |
1961 | utfcurlen = 0; | |
1962 | else | |
1963 | curlen = utfcurlen; | |
1964 | } | |
d1c2b58a LW |
1965 | else |
1966 | utfcurlen = 0; | |
a0ed51b3 | 1967 | |
84902520 TB |
1968 | if (pos >= arybase) { |
1969 | pos -= arybase; | |
1970 | rem = curlen-pos; | |
1971 | fail = rem; | |
5d82c453 GA |
1972 | if (MAXARG > 2) { |
1973 | if (len < 0) { | |
1974 | rem += len; | |
1975 | if (rem < 0) | |
1976 | rem = 0; | |
1977 | } | |
1978 | else if (rem > len) | |
1979 | rem = len; | |
1980 | } | |
68dc0745 | 1981 | } |
84902520 | 1982 | else { |
5d82c453 GA |
1983 | pos += curlen; |
1984 | if (MAXARG < 3) | |
1985 | rem = curlen; | |
1986 | else if (len >= 0) { | |
1987 | rem = pos+len; | |
1988 | if (rem > (I32)curlen) | |
1989 | rem = curlen; | |
1990 | } | |
1991 | else { | |
1992 | rem = curlen+len; | |
1993 | if (rem < pos) | |
1994 | rem = pos; | |
1995 | } | |
1996 | if (pos < 0) | |
1997 | pos = 0; | |
1998 | fail = rem; | |
1999 | rem -= pos; | |
84902520 TB |
2000 | } |
2001 | if (fail < 0) { | |
599cee73 | 2002 | if (ckWARN(WARN_SUBSTR) || lvalue || repl) |
cea2e8a9 | 2003 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
2304df62 AD |
2004 | RETPUSHUNDEF; |
2005 | } | |
79072805 | 2006 | else { |
a0ed51b3 LW |
2007 | if (utfcurlen) |
2008 | sv_pos_u2b(sv, &pos, &rem); | |
79072805 | 2009 | tmps += pos; |
79072805 LW |
2010 | sv_setpvn(TARG, tmps, rem); |
2011 | if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 2012 | if (!SvGMAGICAL(sv)) { |
2013 | if (SvROK(sv)) { | |
2d8e6c8d GS |
2014 | STRLEN n_a; |
2015 | SvPV_force(sv,n_a); | |
599cee73 | 2016 | if (ckWARN(WARN_SUBSTR)) |
cea2e8a9 | 2017 | Perl_warner(aTHX_ WARN_SUBSTR, |
599cee73 | 2018 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 2019 | } |
2020 | if (SvOK(sv)) /* is it defined ? */ | |
2021 | (void)SvPOK_only(sv); | |
2022 | else | |
2023 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
2024 | } | |
5f05dabc | 2025 | |
a0d0e21e LW |
2026 | if (SvTYPE(TARG) < SVt_PVLV) { |
2027 | sv_upgrade(TARG, SVt_PVLV); | |
2028 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 2029 | } |
a0d0e21e | 2030 | |
5f05dabc | 2031 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
2032 | if (LvTARG(TARG) != sv) { |
2033 | if (LvTARG(TARG)) | |
2034 | SvREFCNT_dec(LvTARG(TARG)); | |
2035 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
2036 | } | |
a0d0e21e | 2037 | LvTARGOFF(TARG) = pos; |
8ec5e241 | 2038 | LvTARGLEN(TARG) = rem; |
79072805 | 2039 | } |
5d82c453 | 2040 | else if (repl) |
7b8d334a | 2041 | sv_insert(sv, pos, rem, repl, repl_len); |
79072805 | 2042 | } |
849ca7ee | 2043 | SPAGAIN; |
79072805 LW |
2044 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
2045 | RETURN; | |
2046 | } | |
2047 | ||
2048 | PP(pp_vec) | |
2049 | { | |
4e35701f | 2050 | djSP; dTARGET; |
79072805 LW |
2051 | register I32 size = POPi; |
2052 | register I32 offset = POPi; | |
2053 | register SV *src = POPs; | |
533c011a | 2054 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
463ee0b2 LW |
2055 | STRLEN srclen; |
2056 | unsigned char *s = (unsigned char*)SvPV(src, srclen); | |
79072805 LW |
2057 | unsigned long retnum; |
2058 | I32 len; | |
2059 | ||
20408e3c | 2060 | SvTAINTED_off(TARG); /* decontaminate */ |
79072805 LW |
2061 | offset *= size; /* turn into bit offset */ |
2062 | len = (offset + size + 7) / 8; | |
2063 | if (offset < 0 || size < 1) | |
2064 | retnum = 0; | |
79072805 | 2065 | else { |
a0d0e21e LW |
2066 | if (lvalue) { /* it's an lvalue! */ |
2067 | if (SvTYPE(TARG) < SVt_PVLV) { | |
2068 | sv_upgrade(TARG, SVt_PVLV); | |
2069 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
2070 | } | |
2071 | ||
2072 | LvTYPE(TARG) = 'v'; | |
6ff81951 GS |
2073 | if (LvTARG(TARG) != src) { |
2074 | if (LvTARG(TARG)) | |
2075 | SvREFCNT_dec(LvTARG(TARG)); | |
2076 | LvTARG(TARG) = SvREFCNT_inc(src); | |
2077 | } | |
8ec5e241 NIS |
2078 | LvTARGOFF(TARG) = offset; |
2079 | LvTARGLEN(TARG) = size; | |
a0d0e21e | 2080 | } |
93a17b20 | 2081 | if (len > srclen) { |
a0d0e21e LW |
2082 | if (size <= 8) |
2083 | retnum = 0; | |
2084 | else { | |
2085 | offset >>= 3; | |
748a9306 LW |
2086 | if (size == 16) { |
2087 | if (offset >= srclen) | |
2088 | retnum = 0; | |
a0d0e21e | 2089 | else |
748a9306 LW |
2090 | retnum = (unsigned long) s[offset] << 8; |
2091 | } | |
2092 | else if (size == 32) { | |
2093 | if (offset >= srclen) | |
2094 | retnum = 0; | |
2095 | else if (offset + 1 >= srclen) | |
a0d0e21e | 2096 | retnum = (unsigned long) s[offset] << 24; |
748a9306 LW |
2097 | else if (offset + 2 >= srclen) |
2098 | retnum = ((unsigned long) s[offset] << 24) + | |
2099 | ((unsigned long) s[offset + 1] << 16); | |
2100 | else | |
2101 | retnum = ((unsigned long) s[offset] << 24) + | |
2102 | ((unsigned long) s[offset + 1] << 16) + | |
2103 | (s[offset + 2] << 8); | |
a0d0e21e LW |
2104 | } |
2105 | } | |
79072805 | 2106 | } |
a0d0e21e | 2107 | else if (size < 8) |
79072805 LW |
2108 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
2109 | else { | |
2110 | offset >>= 3; | |
2111 | if (size == 8) | |
2112 | retnum = s[offset]; | |
2113 | else if (size == 16) | |
2114 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; | |
2115 | else if (size == 32) | |
2116 | retnum = ((unsigned long) s[offset] << 24) + | |
2117 | ((unsigned long) s[offset + 1] << 16) + | |
2118 | (s[offset + 2] << 8) + s[offset+3]; | |
2119 | } | |
79072805 LW |
2120 | } |
2121 | ||
deb3007b | 2122 | sv_setuv(TARG, (UV)retnum); |
79072805 LW |
2123 | PUSHs(TARG); |
2124 | RETURN; | |
2125 | } | |
2126 | ||
2127 | PP(pp_index) | |
2128 | { | |
4e35701f | 2129 | djSP; dTARGET; |
79072805 LW |
2130 | SV *big; |
2131 | SV *little; | |
2132 | I32 offset; | |
2133 | I32 retval; | |
2134 | char *tmps; | |
2135 | char *tmps2; | |
463ee0b2 | 2136 | STRLEN biglen; |
3280af22 | 2137 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
2138 | |
2139 | if (MAXARG < 3) | |
2140 | offset = 0; | |
2141 | else | |
2142 | offset = POPi - arybase; | |
2143 | little = POPs; | |
2144 | big = POPs; | |
463ee0b2 | 2145 | tmps = SvPV(big, biglen); |
a0ed51b3 LW |
2146 | if (IN_UTF8 && offset > 0) |
2147 | sv_pos_u2b(big, &offset, 0); | |
79072805 LW |
2148 | if (offset < 0) |
2149 | offset = 0; | |
93a17b20 LW |
2150 | else if (offset > biglen) |
2151 | offset = biglen; | |
79072805 | 2152 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 2153 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 2154 | retval = -1; |
79072805 | 2155 | else |
a0ed51b3 LW |
2156 | retval = tmps2 - tmps; |
2157 | if (IN_UTF8 && retval > 0) | |
2158 | sv_pos_b2u(big, &retval); | |
2159 | PUSHi(retval + arybase); | |
79072805 LW |
2160 | RETURN; |
2161 | } | |
2162 | ||
2163 | PP(pp_rindex) | |
2164 | { | |
4e35701f | 2165 | djSP; dTARGET; |
79072805 LW |
2166 | SV *big; |
2167 | SV *little; | |
463ee0b2 LW |
2168 | STRLEN blen; |
2169 | STRLEN llen; | |
79072805 LW |
2170 | I32 offset; |
2171 | I32 retval; | |
2172 | char *tmps; | |
2173 | char *tmps2; | |
3280af22 | 2174 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 2175 | |
a0d0e21e | 2176 | if (MAXARG >= 3) |
a0ed51b3 | 2177 | offset = POPi; |
79072805 LW |
2178 | little = POPs; |
2179 | big = POPs; | |
463ee0b2 LW |
2180 | tmps2 = SvPV(little, llen); |
2181 | tmps = SvPV(big, blen); | |
79072805 | 2182 | if (MAXARG < 3) |
463ee0b2 | 2183 | offset = blen; |
a0ed51b3 LW |
2184 | else { |
2185 | if (IN_UTF8 && offset > 0) | |
2186 | sv_pos_u2b(big, &offset, 0); | |
2187 | offset = offset - arybase + llen; | |
2188 | } | |
79072805 LW |
2189 | if (offset < 0) |
2190 | offset = 0; | |
463ee0b2 LW |
2191 | else if (offset > blen) |
2192 | offset = blen; | |
79072805 | 2193 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2194 | tmps2, tmps2 + llen))) |
a0ed51b3 | 2195 | retval = -1; |
79072805 | 2196 | else |
a0ed51b3 LW |
2197 | retval = tmps2 - tmps; |
2198 | if (IN_UTF8 && retval > 0) | |
2199 | sv_pos_b2u(big, &retval); | |
2200 | PUSHi(retval + arybase); | |
79072805 LW |
2201 | RETURN; |
2202 | } | |
2203 | ||
2204 | PP(pp_sprintf) | |
2205 | { | |
4e35701f | 2206 | djSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 2207 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2208 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2209 | SP = ORIGMARK; |
2210 | PUSHTARG; | |
2211 | RETURN; | |
2212 | } | |
2213 | ||
79072805 LW |
2214 | PP(pp_ord) |
2215 | { | |
4e35701f | 2216 | djSP; dTARGET; |
bdeef251 | 2217 | UV value; |
2d8e6c8d GS |
2218 | STRLEN n_a; |
2219 | U8 *tmps = (U8*)POPpx; | |
a0ed51b3 | 2220 | I32 retlen; |
79072805 | 2221 | |
a0ed51b3 | 2222 | if (IN_UTF8 && (*tmps & 0x80)) |
bdeef251 | 2223 | value = utf8_to_uv(tmps, &retlen); |
a0ed51b3 | 2224 | else |
bdeef251 GA |
2225 | value = (UV)(*tmps & 255); |
2226 | XPUSHu(value); | |
79072805 LW |
2227 | RETURN; |
2228 | } | |
2229 | ||
463ee0b2 LW |
2230 | PP(pp_chr) |
2231 | { | |
4e35701f | 2232 | djSP; dTARGET; |
463ee0b2 | 2233 | char *tmps; |
3b9be786 | 2234 | U32 value = POPu; |
463ee0b2 | 2235 | |
748a9306 | 2236 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 LW |
2237 | |
2238 | if (IN_UTF8 && value >= 128) { | |
2239 | SvGROW(TARG,8); | |
2240 | tmps = SvPVX(TARG); | |
dfe13c55 | 2241 | tmps = (char*)uv_to_utf8((U8*)tmps, (UV)value); |
a0ed51b3 LW |
2242 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
2243 | *tmps = '\0'; | |
2244 | (void)SvPOK_only(TARG); | |
2245 | XPUSHs(TARG); | |
2246 | RETURN; | |
2247 | } | |
2248 | ||
748a9306 | 2249 | SvGROW(TARG,2); |
463ee0b2 LW |
2250 | SvCUR_set(TARG, 1); |
2251 | tmps = SvPVX(TARG); | |
a0ed51b3 | 2252 | *tmps++ = value; |
748a9306 | 2253 | *tmps = '\0'; |
a0d0e21e | 2254 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
2255 | XPUSHs(TARG); |
2256 | RETURN; | |
2257 | } | |
2258 | ||
79072805 LW |
2259 | PP(pp_crypt) |
2260 | { | |
4e35701f | 2261 | djSP; dTARGET; dPOPTOPssrl; |
2d8e6c8d | 2262 | STRLEN n_a; |
79072805 | 2263 | #ifdef HAS_CRYPT |
2d8e6c8d | 2264 | char *tmps = SvPV(left, n_a); |
79072805 | 2265 | #ifdef FCRYPT |
2d8e6c8d | 2266 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
79072805 | 2267 | #else |
2d8e6c8d | 2268 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
79072805 LW |
2269 | #endif |
2270 | #else | |
cea2e8a9 | 2271 | DIE(aTHX_ |
79072805 LW |
2272 | "The crypt() function is unimplemented due to excessive paranoia."); |
2273 | #endif | |
2274 | SETs(TARG); | |
2275 | RETURN; | |
2276 | } | |
2277 | ||
2278 | PP(pp_ucfirst) | |
2279 | { | |
4e35701f | 2280 | djSP; |
79072805 | 2281 | SV *sv = TOPs; |
a0ed51b3 LW |
2282 | register U8 *s; |
2283 | STRLEN slen; | |
2284 | ||
dfe13c55 | 2285 | if (IN_UTF8 && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 LW |
2286 | I32 ulen; |
2287 | U8 tmpbuf[10]; | |
2288 | U8 *tend; | |
2289 | UV uv = utf8_to_uv(s, &ulen); | |
2290 | ||
2291 | if (PL_op->op_private & OPpLOCALE) { | |
2292 | TAINT; | |
2293 | SvTAINTED_on(sv); | |
2294 | uv = toTITLE_LC_uni(uv); | |
2295 | } | |
2296 | else | |
2297 | uv = toTITLE_utf8(s); | |
2298 | ||
2299 | tend = uv_to_utf8(tmpbuf, uv); | |
2300 | ||
2301 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen) { | |
2302 | dTARGET; | |
dfe13c55 GS |
2303 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2304 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
a0ed51b3 LW |
2305 | SETs(TARG); |
2306 | } | |
2307 | else { | |
dfe13c55 | 2308 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2309 | Copy(tmpbuf, s, ulen, U8); |
2310 | } | |
2311 | RETURN; | |
2312 | } | |
79072805 | 2313 | |
ed6116ce | 2314 | if (!SvPADTMP(sv)) { |
79072805 LW |
2315 | dTARGET; |
2316 | sv_setsv(TARG, sv); | |
2317 | sv = TARG; | |
2318 | SETs(sv); | |
2319 | } | |
2d8e6c8d | 2320 | s = (U8*)SvPV_force(sv, slen); |
bbce6d69 | 2321 | if (*s) { |
533c011a | 2322 | if (PL_op->op_private & OPpLOCALE) { |
bbce6d69 | 2323 | TAINT; |
2324 | SvTAINTED_on(sv); | |
2325 | *s = toUPPER_LC(*s); | |
2326 | } | |
2327 | else | |
2328 | *s = toUPPER(*s); | |
2329 | } | |
79072805 LW |
2330 | |
2331 | RETURN; | |
2332 | } | |
2333 | ||
2334 | PP(pp_lcfirst) | |
2335 | { | |
4e35701f | 2336 | djSP; |
79072805 | 2337 | SV *sv = TOPs; |
a0ed51b3 LW |
2338 | register U8 *s; |
2339 | STRLEN slen; | |
2340 | ||
dfe13c55 | 2341 | if (IN_UTF8 && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 LW |
2342 | I32 ulen; |
2343 | U8 tmpbuf[10]; | |
2344 | U8 *tend; | |
2345 | UV uv = utf8_to_uv(s, &ulen); | |
2346 | ||
2347 | if (PL_op->op_private & OPpLOCALE) { | |
2348 | TAINT; | |
2349 | SvTAINTED_on(sv); | |
2350 | uv = toLOWER_LC_uni(uv); | |
2351 | } | |
2352 | else | |
2353 | uv = toLOWER_utf8(s); | |
2354 | ||
2355 | tend = uv_to_utf8(tmpbuf, uv); | |
2356 | ||
2357 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen) { | |
2358 | dTARGET; | |
dfe13c55 GS |
2359 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2360 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
a0ed51b3 LW |
2361 | SETs(TARG); |
2362 | } | |
2363 | else { | |
dfe13c55 | 2364 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2365 | Copy(tmpbuf, s, ulen, U8); |
2366 | } | |
2367 | RETURN; | |
2368 | } | |
79072805 | 2369 | |
ed6116ce | 2370 | if (!SvPADTMP(sv)) { |
79072805 LW |
2371 | dTARGET; |
2372 | sv_setsv(TARG, sv); | |
2373 | sv = TARG; | |
2374 | SETs(sv); | |
2375 | } | |
2d8e6c8d | 2376 | s = (U8*)SvPV_force(sv, slen); |
bbce6d69 | 2377 | if (*s) { |
533c011a | 2378 | if (PL_op->op_private & OPpLOCALE) { |
bbce6d69 | 2379 | TAINT; |
2380 | SvTAINTED_on(sv); | |
2381 | *s = toLOWER_LC(*s); | |
2382 | } | |
2383 | else | |
2384 | *s = toLOWER(*s); | |
2385 | } | |
79072805 LW |
2386 | |
2387 | SETs(sv); | |
2388 | RETURN; | |
2389 | } | |
2390 | ||
2391 | PP(pp_uc) | |
2392 | { | |
4e35701f | 2393 | djSP; |
79072805 | 2394 | SV *sv = TOPs; |
a0ed51b3 | 2395 | register U8 *s; |
463ee0b2 | 2396 | STRLEN len; |
79072805 | 2397 | |
a0ed51b3 LW |
2398 | if (IN_UTF8) { |
2399 | dTARGET; | |
2400 | I32 ulen; | |
2401 | register U8 *d; | |
2402 | U8 *send; | |
2403 | ||
dfe13c55 | 2404 | s = (U8*)SvPV(sv,len); |
a5a20234 LW |
2405 | if (!len) { |
2406 | sv_setpvn(TARG, "", 0); | |
2407 | SETs(TARG); | |
a0ed51b3 | 2408 | RETURN; |
a5a20234 | 2409 | } |
a0ed51b3 LW |
2410 | |
2411 | (void)SvUPGRADE(TARG, SVt_PV); | |
2412 | SvGROW(TARG, (len * 2) + 1); | |
2413 | (void)SvPOK_only(TARG); | |
dfe13c55 | 2414 | d = (U8*)SvPVX(TARG); |
a0ed51b3 LW |
2415 | send = s + len; |
2416 | if (PL_op->op_private & OPpLOCALE) { | |
2417 | TAINT; | |
2418 | SvTAINTED_on(TARG); | |
2419 | while (s < send) { | |
2420 | d = uv_to_utf8(d, toUPPER_LC_uni( utf8_to_uv(s, &ulen))); | |
2421 | s += ulen; | |
2422 | } | |
2423 | } | |
2424 | else { | |
2425 | while (s < send) { | |
2426 | d = uv_to_utf8(d, toUPPER_utf8( s )); | |
2427 | s += UTF8SKIP(s); | |
2428 | } | |
2429 | } | |
2430 | *d = '\0'; | |
2431 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); | |
2432 | SETs(TARG); | |
2433 | RETURN; | |
2434 | } | |
2435 | ||
ed6116ce | 2436 | if (!SvPADTMP(sv)) { |
79072805 LW |
2437 | dTARGET; |
2438 | sv_setsv(TARG, sv); | |
2439 | sv = TARG; | |
2440 | SETs(sv); | |
2441 | } | |
bbce6d69 | 2442 | |
dfe13c55 | 2443 | s = (U8*)SvPV_force(sv, len); |
bbce6d69 | 2444 | if (len) { |
a0ed51b3 | 2445 | register U8 *send = s + len; |
bbce6d69 | 2446 | |
533c011a | 2447 | if (PL_op->op_private & OPpLOCALE) { |
bbce6d69 | 2448 | TAINT; |
2449 | SvTAINTED_on(sv); | |
2450 | for (; s < send; s++) | |
2451 | *s = toUPPER_LC(*s); | |
2452 | } | |
2453 | else { | |
2454 | for (; s < send; s++) | |
2455 | *s = toUPPER(*s); | |
2456 | } | |
79072805 LW |
2457 | } |
2458 | RETURN; | |
2459 | } | |
2460 | ||
2461 | PP(pp_lc) | |
2462 | { | |
4e35701f | 2463 | djSP; |
79072805 | 2464 | SV *sv = TOPs; |
a0ed51b3 | 2465 | register U8 *s; |
463ee0b2 | 2466 | STRLEN len; |
79072805 | 2467 | |
a0ed51b3 LW |
2468 | if (IN_UTF8) { |
2469 | dTARGET; | |
2470 | I32 ulen; | |
2471 | register U8 *d; | |
2472 | U8 *send; | |
2473 | ||
dfe13c55 | 2474 | s = (U8*)SvPV(sv,len); |
a5a20234 LW |
2475 | if (!len) { |
2476 | sv_setpvn(TARG, "", 0); | |
2477 | SETs(TARG); | |
a0ed51b3 | 2478 | RETURN; |
a5a20234 | 2479 | } |
a0ed51b3 LW |
2480 | |
2481 | (void)SvUPGRADE(TARG, SVt_PV); | |
2482 | SvGROW(TARG, (len * 2) + 1); | |
2483 | (void)SvPOK_only(TARG); | |
dfe13c55 | 2484 | d = (U8*)SvPVX(TARG); |
a0ed51b3 LW |
2485 | send = s + len; |
2486 | if (PL_op->op_private & OPpLOCALE) { | |
2487 | TAINT; | |
2488 | SvTAINTED_on(TARG); | |
2489 | while (s < send) { | |
2490 | d = uv_to_utf8(d, toLOWER_LC_uni( utf8_to_uv(s, &ulen))); | |
2491 | s += ulen; | |
2492 | } | |
2493 | } | |
2494 | else { | |
2495 | while (s < send) { | |
2496 | d = uv_to_utf8(d, toLOWER_utf8(s)); | |
2497 | s += UTF8SKIP(s); | |
2498 | } | |
2499 | } | |
2500 | *d = '\0'; | |
2501 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); | |
2502 | SETs(TARG); | |
2503 | RETURN; | |
2504 | } | |
2505 | ||
ed6116ce | 2506 | if (!SvPADTMP(sv)) { |
79072805 LW |
2507 | dTARGET; |
2508 | sv_setsv(TARG, sv); | |
2509 | sv = TARG; | |
2510 | SETs(sv); | |
2511 | } | |
bbce6d69 | 2512 | |
dfe13c55 | 2513 | s = (U8*)SvPV_force(sv, len); |
bbce6d69 | 2514 | if (len) { |
a0ed51b3 | 2515 | register U8 *send = s + len; |
bbce6d69 | 2516 | |
533c011a | 2517 | if (PL_op->op_private & OPpLOCALE) { |
bbce6d69 | 2518 | TAINT; |
2519 | SvTAINTED_on(sv); | |
2520 | for (; s < send; s++) | |
2521 | *s = toLOWER_LC(*s); | |
2522 | } | |
2523 | else { | |
2524 | for (; s < send; s++) | |
2525 | *s = toLOWER(*s); | |
2526 | } | |
79072805 LW |
2527 | } |
2528 | RETURN; | |
2529 | } | |
2530 | ||
a0d0e21e | 2531 | PP(pp_quotemeta) |
79072805 | 2532 | { |
4e35701f | 2533 | djSP; dTARGET; |
a0d0e21e LW |
2534 | SV *sv = TOPs; |
2535 | STRLEN len; | |
2536 | register char *s = SvPV(sv,len); | |
2537 | register char *d; | |
79072805 | 2538 | |
a0d0e21e LW |
2539 | if (len) { |
2540 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 2541 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 2542 | d = SvPVX(TARG); |
0dd2cdef LW |
2543 | if (IN_UTF8) { |
2544 | while (len) { | |
2545 | if (*s & 0x80) { | |
2546 | STRLEN ulen = UTF8SKIP(s); | |
2547 | if (ulen > len) | |
2548 | ulen = len; | |
2549 | len -= ulen; | |
2550 | while (ulen--) | |
2551 | *d++ = *s++; | |
2552 | } | |
2553 | else { | |
2554 | if (!isALNUM(*s)) | |
2555 | *d++ = '\\'; | |
2556 | *d++ = *s++; | |
2557 | len--; | |
2558 | } | |
2559 | } | |
2560 | } | |
2561 | else { | |
2562 | while (len--) { | |
2563 | if (!isALNUM(*s)) | |
2564 | *d++ = '\\'; | |
2565 | *d++ = *s++; | |
2566 | } | |
79072805 | 2567 | } |
a0d0e21e LW |
2568 | *d = '\0'; |
2569 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
2570 | (void)SvPOK_only(TARG); | |
79072805 | 2571 | } |
a0d0e21e LW |
2572 | else |
2573 | sv_setpvn(TARG, s, len); | |
2574 | SETs(TARG); | |
79072805 LW |
2575 | RETURN; |
2576 | } | |
2577 | ||
a0d0e21e | 2578 | /* Arrays. */ |
79072805 | 2579 | |
a0d0e21e | 2580 | PP(pp_aslice) |
79072805 | 2581 | { |
4e35701f | 2582 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2583 | register SV** svp; |
2584 | register AV* av = (AV*)POPs; | |
533c011a | 2585 | register I32 lval = PL_op->op_flags & OPf_MOD; |
3280af22 | 2586 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 2587 | I32 elem; |
79072805 | 2588 | |
a0d0e21e | 2589 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 2590 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 2591 | I32 max = -1; |
924508f0 | 2592 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
2593 | elem = SvIVx(*svp); |
2594 | if (elem > max) | |
2595 | max = elem; | |
2596 | } | |
2597 | if (max > AvMAX(av)) | |
2598 | av_extend(av, max); | |
2599 | } | |
a0d0e21e | 2600 | while (++MARK <= SP) { |
748a9306 | 2601 | elem = SvIVx(*MARK); |
a0d0e21e | 2602 | |
748a9306 LW |
2603 | if (elem > 0) |
2604 | elem -= arybase; | |
a0d0e21e LW |
2605 | svp = av_fetch(av, elem, lval); |
2606 | if (lval) { | |
3280af22 | 2607 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 2608 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 2609 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 2610 | save_aelem(av, elem, svp); |
79072805 | 2611 | } |
3280af22 | 2612 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2613 | } |
2614 | } | |
748a9306 | 2615 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
2616 | MARK = ORIGMARK; |
2617 | *++MARK = *SP; | |
2618 | SP = MARK; | |
2619 | } | |
79072805 LW |
2620 | RETURN; |
2621 | } | |
2622 | ||
2623 | /* Associative arrays. */ | |
2624 | ||
2625 | PP(pp_each) | |
2626 | { | |
4e35701f | 2627 | djSP; dTARGET; |
79072805 | 2628 | HV *hash = (HV*)POPs; |
c07a80fd | 2629 | HE *entry; |
54310121 | 2630 | I32 gimme = GIMME_V; |
c750a3ec | 2631 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 2632 | |
c07a80fd | 2633 | PUTBACK; |
c750a3ec MB |
2634 | /* might clobber stack_sp */ |
2635 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 2636 | SPAGAIN; |
79072805 | 2637 | |
79072805 LW |
2638 | EXTEND(SP, 2); |
2639 | if (entry) { | |
54310121 | 2640 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
2641 | if (gimme == G_ARRAY) { | |
c07a80fd | 2642 | PUTBACK; |
c750a3ec MB |
2643 | /* might clobber stack_sp */ |
2644 | sv_setsv(TARG, realhv ? | |
2645 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry)); | |
c07a80fd | 2646 | SPAGAIN; |
8990e307 | 2647 | PUSHs(TARG); |
79072805 | 2648 | } |
79072805 | 2649 | } |
54310121 | 2650 | else if (gimme == G_SCALAR) |
79072805 LW |
2651 | RETPUSHUNDEF; |
2652 | ||
2653 | RETURN; | |
2654 | } | |
2655 | ||
2656 | PP(pp_values) | |
2657 | { | |
cea2e8a9 | 2658 | return do_kv(); |
79072805 LW |
2659 | } |
2660 | ||
2661 | PP(pp_keys) | |
2662 | { | |
cea2e8a9 | 2663 | return do_kv(); |
79072805 LW |
2664 | } |
2665 | ||
2666 | PP(pp_delete) | |
2667 | { | |
4e35701f | 2668 | djSP; |
54310121 | 2669 | I32 gimme = GIMME_V; |
2670 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 2671 | SV *sv; |
5f05dabc | 2672 | HV *hv; |
2673 | ||
533c011a | 2674 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 2675 | dMARK; dORIGMARK; |
97fcbf96 | 2676 | U32 hvtype; |
5f05dabc | 2677 | hv = (HV*)POPs; |
97fcbf96 | 2678 | hvtype = SvTYPE(hv); |
5f05dabc | 2679 | while (++MARK <= SP) { |
ae77835f MB |
2680 | if (hvtype == SVt_PVHV) |
2681 | sv = hv_delete_ent(hv, *MARK, discard, 0); | |
ae77835f | 2682 | else |
cea2e8a9 | 2683 | DIE(aTHX_ "Not a HASH reference"); |
3280af22 | 2684 | *MARK = sv ? sv : &PL_sv_undef; |
5f05dabc | 2685 | } |
54310121 | 2686 | if (discard) |
2687 | SP = ORIGMARK; | |
2688 | else if (gimme == G_SCALAR) { | |
5f05dabc | 2689 | MARK = ORIGMARK; |
2690 | *++MARK = *SP; | |
2691 | SP = MARK; | |
2692 | } | |
2693 | } | |
2694 | else { | |
2695 | SV *keysv = POPs; | |
2696 | hv = (HV*)POPs; | |
97fcbf96 MB |
2697 | if (SvTYPE(hv) == SVt_PVHV) |
2698 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
97fcbf96 | 2699 | else |
cea2e8a9 | 2700 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 2701 | if (!sv) |
3280af22 | 2702 | sv = &PL_sv_undef; |
54310121 | 2703 | if (!discard) |
2704 | PUSHs(sv); | |
79072805 | 2705 | } |
79072805 LW |
2706 | RETURN; |
2707 | } | |
2708 | ||
a0d0e21e | 2709 | PP(pp_exists) |
79072805 | 2710 | { |
4e35701f | 2711 | djSP; |
a0d0e21e LW |
2712 | SV *tmpsv = POPs; |
2713 | HV *hv = (HV*)POPs; | |
c750a3ec | 2714 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 2715 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 2716 | RETPUSHYES; |
ef54e1a4 JH |
2717 | } |
2718 | else if (SvTYPE(hv) == SVt_PVAV) { | |
ae77835f | 2719 | if (avhv_exists_ent((AV*)hv, tmpsv, 0)) |
c750a3ec | 2720 | RETPUSHYES; |
ef54e1a4 JH |
2721 | } |
2722 | else { | |
cea2e8a9 | 2723 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 2724 | } |
a0d0e21e LW |
2725 | RETPUSHNO; |
2726 | } | |
79072805 | 2727 | |
a0d0e21e LW |
2728 | PP(pp_hslice) |
2729 | { | |
4e35701f | 2730 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2731 | register HV *hv = (HV*)POPs; |
533c011a | 2732 | register I32 lval = PL_op->op_flags & OPf_MOD; |
c750a3ec | 2733 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 2734 | |
0ebe0038 | 2735 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
cea2e8a9 | 2736 | DIE(aTHX_ "Can't localize pseudo-hash element"); |
0ebe0038 | 2737 | |
c750a3ec | 2738 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 2739 | while (++MARK <= SP) { |
f12c7020 | 2740 | SV *keysv = *MARK; |
ae77835f MB |
2741 | SV **svp; |
2742 | if (realhv) { | |
800e9ae0 | 2743 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
ae77835f | 2744 | svp = he ? &HeVAL(he) : 0; |
ef54e1a4 JH |
2745 | } |
2746 | else { | |
97fcbf96 | 2747 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 2748 | } |
a0d0e21e | 2749 | if (lval) { |
2d8e6c8d GS |
2750 | if (!svp || *svp == &PL_sv_undef) { |
2751 | STRLEN n_a; | |
cea2e8a9 | 2752 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); |
2d8e6c8d | 2753 | } |
533c011a | 2754 | if (PL_op->op_private & OPpLVAL_INTRO) |
800e9ae0 | 2755 | save_helem(hv, keysv, svp); |
93a17b20 | 2756 | } |
3280af22 | 2757 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2758 | } |
2759 | } | |
a0d0e21e LW |
2760 | if (GIMME != G_ARRAY) { |
2761 | MARK = ORIGMARK; | |
2762 | *++MARK = *SP; | |
2763 | SP = MARK; | |
79072805 | 2764 | } |
a0d0e21e LW |
2765 | RETURN; |
2766 | } | |
2767 | ||
2768 | /* List operators. */ | |
2769 | ||
2770 | PP(pp_list) | |
2771 | { | |
4e35701f | 2772 | djSP; dMARK; |
a0d0e21e LW |
2773 | if (GIMME != G_ARRAY) { |
2774 | if (++MARK <= SP) | |
2775 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 2776 | else |
3280af22 | 2777 | *MARK = &PL_sv_undef; |
a0d0e21e | 2778 | SP = MARK; |
79072805 | 2779 | } |
a0d0e21e | 2780 | RETURN; |
79072805 LW |
2781 | } |
2782 | ||
a0d0e21e | 2783 | PP(pp_lslice) |
79072805 | 2784 | { |
4e35701f | 2785 | djSP; |
3280af22 NIS |
2786 | SV **lastrelem = PL_stack_sp; |
2787 | SV **lastlelem = PL_stack_base + POPMARK; | |
2788 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
a0d0e21e | 2789 | register SV **firstrelem = lastlelem + 1; |
3280af22 | 2790 | I32 arybase = PL_curcop->cop_arybase; |
533c011a | 2791 | I32 lval = PL_op->op_flags & OPf_MOD; |
4633a7c4 | 2792 | I32 is_something_there = lval; |
79072805 | 2793 | |
a0d0e21e LW |
2794 | register I32 max = lastrelem - lastlelem; |
2795 | register SV **lelem; | |
2796 | register I32 ix; | |
2797 | ||
2798 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
2799 | ix = SvIVx(*lastlelem); |
2800 | if (ix < 0) | |
2801 | ix += max; | |
2802 | else | |
2803 | ix -= arybase; | |
a0d0e21e | 2804 | if (ix < 0 || ix >= max) |
3280af22 | 2805 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
2806 | else |
2807 | *firstlelem = firstrelem[ix]; | |
2808 | SP = firstlelem; | |
2809 | RETURN; | |
2810 | } | |
2811 | ||
2812 | if (max == 0) { | |
2813 | SP = firstlelem - 1; | |
2814 | RETURN; | |
2815 | } | |
2816 | ||
2817 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 2818 | ix = SvIVx(*lelem); |
c73bf8e3 | 2819 | if (ix < 0) |
a0d0e21e | 2820 | ix += max; |
c73bf8e3 | 2821 | else |
748a9306 | 2822 | ix -= arybase; |
c73bf8e3 HS |
2823 | if (ix < 0 || ix >= max) |
2824 | *lelem = &PL_sv_undef; | |
2825 | else { | |
2826 | is_something_there = TRUE; | |
2827 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 2828 | *lelem = &PL_sv_undef; |
748a9306 | 2829 | } |
79072805 | 2830 | } |
4633a7c4 LW |
2831 | if (is_something_there) |
2832 | SP = lastlelem; | |
2833 | else | |
2834 | SP = firstlelem - 1; | |
79072805 LW |
2835 | RETURN; |
2836 | } | |
2837 | ||
a0d0e21e LW |
2838 | PP(pp_anonlist) |
2839 | { | |
4e35701f | 2840 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2841 | I32 items = SP - MARK; |
44a8e56a | 2842 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
2843 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
2844 | XPUSHs(av); | |
a0d0e21e LW |
2845 | RETURN; |
2846 | } | |
2847 | ||
2848 | PP(pp_anonhash) | |
79072805 | 2849 | { |
4e35701f | 2850 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2851 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2852 | ||
2853 | while (MARK < SP) { | |
2854 | SV* key = *++MARK; | |
a0d0e21e LW |
2855 | SV *val = NEWSV(46, 0); |
2856 | if (MARK < SP) | |
2857 | sv_setsv(val, *++MARK); | |
599cee73 | 2858 | else if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 2859 | Perl_warner(aTHX_ WARN_UNSAFE, "Odd number of elements in hash assignment"); |
f12c7020 | 2860 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 2861 | } |
a0d0e21e LW |
2862 | SP = ORIGMARK; |
2863 | XPUSHs((SV*)hv); | |
79072805 LW |
2864 | RETURN; |
2865 | } | |
2866 | ||
a0d0e21e | 2867 | PP(pp_splice) |
79072805 | 2868 | { |
4e35701f | 2869 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2870 | register AV *ary = (AV*)*++MARK; |
2871 | register SV **src; | |
2872 | register SV **dst; | |
2873 | register I32 i; | |
2874 | register I32 offset; | |
2875 | register I32 length; | |
2876 | I32 newlen; | |
2877 | I32 after; | |
2878 | I32 diff; | |
2879 | SV **tmparyval = 0; | |
93965878 NIS |
2880 | MAGIC *mg; |
2881 | ||
33c27489 GS |
2882 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
2883 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
93965878 | 2884 | PUSHMARK(MARK); |
8ec5e241 | 2885 | PUTBACK; |
a60c0954 | 2886 | ENTER; |
864dbfa3 | 2887 | call_method("SPLICE",GIMME_V); |
a60c0954 | 2888 | LEAVE; |
93965878 NIS |
2889 | SPAGAIN; |
2890 | RETURN; | |
2891 | } | |
79072805 | 2892 | |
a0d0e21e | 2893 | SP++; |
79072805 | 2894 | |
a0d0e21e | 2895 | if (++MARK < SP) { |
84902520 | 2896 | offset = i = SvIVx(*MARK); |
a0d0e21e | 2897 | if (offset < 0) |
93965878 | 2898 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 2899 | else |
3280af22 | 2900 | offset -= PL_curcop->cop_arybase; |
84902520 | 2901 | if (offset < 0) |
cea2e8a9 | 2902 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |
2903 | if (++MARK < SP) { |
2904 | length = SvIVx(*MARK++); | |
48cdf507 GA |
2905 | if (length < 0) { |
2906 | length += AvFILLp(ary) - offset + 1; | |
2907 | if (length < 0) | |
2908 | length = 0; | |
2909 | } | |
79072805 LW |
2910 | } |
2911 | else | |
a0d0e21e | 2912 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 2913 | } |
a0d0e21e LW |
2914 | else { |
2915 | offset = 0; | |
2916 | length = AvMAX(ary) + 1; | |
2917 | } | |
93965878 NIS |
2918 | if (offset > AvFILLp(ary) + 1) |
2919 | offset = AvFILLp(ary) + 1; | |
2920 | after = AvFILLp(ary) + 1 - (offset + length); | |
a0d0e21e LW |
2921 | if (after < 0) { /* not that much array */ |
2922 | length += after; /* offset+length now in array */ | |
2923 | after = 0; | |
2924 | if (!AvALLOC(ary)) | |
2925 | av_extend(ary, 0); | |
2926 | } | |
2927 | ||
2928 | /* At this point, MARK .. SP-1 is our new LIST */ | |
2929 | ||
2930 | newlen = SP - MARK; | |
2931 | diff = newlen - length; | |
13d7cbc1 GS |
2932 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
2933 | av_reify(ary); | |
a0d0e21e LW |
2934 | |
2935 | if (diff < 0) { /* shrinking the area */ | |
2936 | if (newlen) { | |
2937 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
2938 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 2939 | } |
a0d0e21e LW |
2940 | |
2941 | MARK = ORIGMARK + 1; | |
2942 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2943 | MEXTEND(MARK, length); | |
2944 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
2945 | if (AvREAL(ary)) { | |
bbce6d69 | 2946 | EXTEND_MORTAL(length); |
36477c24 | 2947 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 2948 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 2949 | dst++; |
2950 | } | |
a0d0e21e LW |
2951 | } |
2952 | MARK += length - 1; | |
79072805 | 2953 | } |
a0d0e21e LW |
2954 | else { |
2955 | *MARK = AvARRAY(ary)[offset+length-1]; | |
2956 | if (AvREAL(ary)) { | |
d689ffdd | 2957 | sv_2mortal(*MARK); |
a0d0e21e LW |
2958 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2959 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 2960 | } |
a0d0e21e | 2961 | } |
93965878 | 2962 | AvFILLp(ary) += diff; |
a0d0e21e LW |
2963 | |
2964 | /* pull up or down? */ | |
2965 | ||
2966 | if (offset < after) { /* easier to pull up */ | |
2967 | if (offset) { /* esp. if nothing to pull */ | |
2968 | src = &AvARRAY(ary)[offset-1]; | |
2969 | dst = src - diff; /* diff is negative */ | |
2970 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
2971 | *dst-- = *src--; | |
79072805 | 2972 | } |
a0d0e21e LW |
2973 | dst = AvARRAY(ary); |
2974 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
2975 | AvMAX(ary) += diff; | |
2976 | } | |
2977 | else { | |
2978 | if (after) { /* anything to pull down? */ | |
2979 | src = AvARRAY(ary) + offset + length; | |
2980 | dst = src + diff; /* diff is negative */ | |
2981 | Move(src, dst, after, SV*); | |
79072805 | 2982 | } |
93965878 | 2983 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
2984 | /* avoid later double free */ |
2985 | } | |
2986 | i = -diff; | |
2987 | while (i) | |
3280af22 | 2988 | dst[--i] = &PL_sv_undef; |
a0d0e21e LW |
2989 | |
2990 | if (newlen) { | |
2991 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
2992 | newlen; newlen--) { | |
2993 | *dst = NEWSV(46, 0); | |
2994 | sv_setsv(*dst++, *src++); | |
79072805 | 2995 | } |
a0d0e21e LW |
2996 | Safefree(tmparyval); |
2997 | } | |
2998 | } | |
2999 | else { /* no, expanding (or same) */ | |
3000 | if (length) { | |
3001 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
3002 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
3003 | } | |
3004 | ||
3005 | if (diff > 0) { /* expanding */ | |
3006 | ||
3007 | /* push up or down? */ | |
3008 | ||
3009 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
3010 | if (offset) { | |
3011 | src = AvARRAY(ary); | |
3012 | dst = src - diff; | |
3013 | Move(src, dst, offset, SV*); | |
79072805 | 3014 | } |
a0d0e21e LW |
3015 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
3016 | AvMAX(ary) += diff; | |
93965878 | 3017 | AvFILLp(ary) += diff; |
79072805 LW |
3018 | } |
3019 | else { | |
93965878 NIS |
3020 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
3021 | av_extend(ary, AvFILLp(ary) + diff); | |
3022 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
3023 | |
3024 | if (after) { | |
93965878 | 3025 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
3026 | src = dst - diff; |
3027 | for (i = after; i; i--) { | |
3028 | *dst-- = *src--; | |
3029 | } | |
79072805 LW |
3030 | } |
3031 | } | |
a0d0e21e LW |
3032 | } |
3033 | ||
3034 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
3035 | *dst = NEWSV(46, 0); | |
3036 | sv_setsv(*dst++, *src++); | |
3037 | } | |
3038 | MARK = ORIGMARK + 1; | |
3039 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
3040 | if (length) { | |
3041 | Copy(tmparyval, MARK, length, SV*); | |
3042 | if (AvREAL(ary)) { | |
bbce6d69 | 3043 | EXTEND_MORTAL(length); |
36477c24 | 3044 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 3045 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 3046 | dst++; |
3047 | } | |
79072805 | 3048 | } |
a0d0e21e | 3049 | Safefree(tmparyval); |
79072805 | 3050 | } |
a0d0e21e LW |
3051 | MARK += length - 1; |
3052 | } | |
3053 | else if (length--) { | |
3054 | *MARK = tmparyval[length]; | |
3055 | if (AvREAL(ary)) { | |
d689ffdd | 3056 | sv_2mortal(*MARK); |
a0d0e21e LW |
3057 | while (length-- > 0) |
3058 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 3059 | } |
a0d0e21e | 3060 | Safefree(tmparyval); |
79072805 | 3061 | } |
a0d0e21e | 3062 | else |
3280af22 | 3063 | *MARK = &PL_sv_undef; |
79072805 | 3064 | } |
a0d0e21e | 3065 | SP = MARK; |
79072805 LW |
3066 | RETURN; |
3067 | } | |
3068 | ||
a0d0e21e | 3069 | PP(pp_push) |
79072805 | 3070 | { |
4e35701f | 3071 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 3072 | register AV *ary = (AV*)*++MARK; |
3280af22 | 3073 | register SV *sv = &PL_sv_undef; |
93965878 | 3074 | MAGIC *mg; |
79072805 | 3075 | |
33c27489 GS |
3076 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
3077 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
93965878 NIS |
3078 | PUSHMARK(MARK); |
3079 | PUTBACK; | |
a60c0954 | 3080 | ENTER; |
864dbfa3 | 3081 | call_method("PUSH",G_SCALAR|G_DISCARD); |
a60c0954 | 3082 | LEAVE; |
93965878 | 3083 | SPAGAIN; |
93965878 | 3084 | } |
a60c0954 NIS |
3085 | else { |
3086 | /* Why no pre-extend of ary here ? */ | |
3087 | for (++MARK; MARK <= SP; MARK++) { | |
3088 | sv = NEWSV(51, 0); | |
3089 | if (*MARK) | |
3090 | sv_setsv(sv, *MARK); | |
3091 | av_push(ary, sv); | |
3092 | } | |
79072805 LW |
3093 | } |
3094 | SP = ORIGMARK; | |
a0d0e21e | 3095 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
3096 | RETURN; |
3097 | } | |
3098 | ||
a0d0e21e | 3099 | PP(pp_pop) |
79072805 | 3100 | { |
4e35701f | 3101 | djSP; |
a0d0e21e LW |
3102 | AV *av = (AV*)POPs; |
3103 | SV *sv = av_pop(av); | |
d689ffdd | 3104 | if (AvREAL(av)) |
a0d0e21e LW |
3105 | (void)sv_2mortal(sv); |
3106 | PUSHs(sv); | |
79072805 | 3107 | RETURN; |
79072805 LW |
3108 | } |
3109 | ||
a0d0e21e | 3110 | PP(pp_shift) |
79072805 | 3111 | { |
4e35701f | 3112 | djSP; |
a0d0e21e LW |
3113 | AV *av = (AV*)POPs; |
3114 | SV *sv = av_shift(av); | |
79072805 | 3115 | EXTEND(SP, 1); |
a0d0e21e | 3116 | if (!sv) |
79072805 | 3117 | RETPUSHUNDEF; |
d689ffdd | 3118 | if (AvREAL(av)) |
a0d0e21e LW |
3119 | (void)sv_2mortal(sv); |
3120 | PUSHs(sv); | |
79072805 | 3121 | RETURN; |
79072805 LW |
3122 | } |
3123 | ||
a0d0e21e | 3124 | PP(pp_unshift) |
79072805 | 3125 | { |
4e35701f | 3126 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
3127 | register AV *ary = (AV*)*++MARK; |
3128 | register SV *sv; | |
3129 | register I32 i = 0; | |
93965878 NIS |
3130 | MAGIC *mg; |
3131 | ||
33c27489 GS |
3132 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
3133 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
7fd66d9d | 3134 | PUSHMARK(MARK); |
93965878 | 3135 | PUTBACK; |
a60c0954 | 3136 | ENTER; |
864dbfa3 | 3137 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
a60c0954 | 3138 | LEAVE; |
93965878 | 3139 | SPAGAIN; |
93965878 | 3140 | } |
a60c0954 NIS |
3141 | else { |
3142 | av_unshift(ary, SP - MARK); | |
3143 | while (MARK < SP) { | |
3144 | sv = NEWSV(27, 0); | |
3145 | sv_setsv(sv, *++MARK); | |
3146 | (void)av_store(ary, i++, sv); | |
3147 | } | |
79072805 | 3148 | } |
a0d0e21e LW |
3149 | SP = ORIGMARK; |
3150 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 3151 | RETURN; |
79072805 LW |
3152 | } |
3153 | ||
a0d0e21e | 3154 | PP(pp_reverse) |
79072805 | 3155 | { |
4e35701f | 3156 | djSP; dMARK; |
a0d0e21e LW |
3157 | register SV *tmp; |
3158 | SV **oldsp = SP; | |
79072805 | 3159 | |
a0d0e21e LW |
3160 | if (GIMME == G_ARRAY) { |
3161 | MARK++; | |
3162 | while (MARK < SP) { | |
3163 | tmp = *MARK; | |
3164 | *MARK++ = *SP; | |
3165 | *SP-- = tmp; | |
3166 | } | |
3167 | SP = oldsp; | |
79072805 LW |
3168 | } |
3169 | else { | |
a0d0e21e LW |
3170 | register char *up; |
3171 | register char *down; | |
3172 | register I32 tmp; | |
3173 | dTARGET; | |
3174 | STRLEN len; | |
79072805 | 3175 | |
a0d0e21e | 3176 | if (SP - MARK > 1) |
3280af22 | 3177 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 3178 | else |
54b9620d | 3179 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
3180 | up = SvPV_force(TARG, len); |
3181 | if (len > 1) { | |
a0ed51b3 | 3182 | if (IN_UTF8) { /* first reverse each character */ |
dfe13c55 GS |
3183 | U8* s = (U8*)SvPVX(TARG); |
3184 | U8* send = (U8*)(s + len); | |
a0ed51b3 LW |
3185 | while (s < send) { |
3186 | if (*s < 0x80) { | |
3187 | s++; | |
3188 | continue; | |
3189 | } | |
3190 | else { | |
dfe13c55 | 3191 | up = (char*)s; |
a0ed51b3 | 3192 | s += UTF8SKIP(s); |
dfe13c55 | 3193 | down = (char*)(s - 1); |
a0ed51b3 | 3194 | if (s > send || !((*down & 0xc0) == 0x80)) { |
cea2e8a9 | 3195 | Perl_warn(aTHX_ "Malformed UTF-8 character"); |
a0ed51b3 LW |
3196 | break; |
3197 | } | |
3198 | while (down > up) { | |
3199 | tmp = *up; | |
3200 | *up++ = *down; | |
3201 | *down-- = tmp; | |
3202 | } | |
3203 | } | |
3204 | } | |
3205 | up = SvPVX(TARG); | |
3206 | } | |
a0d0e21e LW |
3207 | down = SvPVX(TARG) + len - 1; |
3208 | while (down > up) { | |
3209 | tmp = *up; | |
3210 | *up++ = *down; | |
3211 | *down-- = tmp; | |
3212 | } | |
3213 | (void)SvPOK_only(TARG); | |
79072805 | 3214 | } |
a0d0e21e LW |
3215 | SP = MARK + 1; |
3216 | SETTARG; | |
79072805 | 3217 | } |
a0d0e21e | 3218 | RETURN; |
79072805 LW |
3219 | } |
3220 | ||
864dbfa3 | 3221 | STATIC SV * |
cea2e8a9 | 3222 | S_mul128(pTHX_ SV *sv, U8 m) |
55497cff | 3223 | { |
3224 | STRLEN len; | |
3225 | char *s = SvPV(sv, len); | |
3226 | char *t; | |
3227 | U32 i = 0; | |
3228 | ||
3229 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ | |
79cb57f6 | 3230 | SV *tmpNew = newSVpvn("0000000000", 10); |
55497cff | 3231 | |
09b7f37c | 3232 | sv_catsv(tmpNew, sv); |
55497cff | 3233 | SvREFCNT_dec(sv); /* free old sv */ |
09b7f37c | 3234 | sv = tmpNew; |
55497cff | 3235 | s = SvPV(sv, len); |
3236 | } | |
3237 | t = s + len - 1; | |
3238 | while (!*t) /* trailing '\0'? */ | |
3239 | t--; | |
3240 | while (t > s) { | |
3241 | i = ((*t - '0') << 7) + m; | |
3242 | *(t--) = '0' + (i % 10); | |
3243 | m = i / 10; | |
3244 | } | |
3245 | return (sv); | |
3246 | } | |
3247 | ||
a0d0e21e LW |
3248 | /* Explosives and implosives. */ |
3249 | ||
9d116dd7 JH |
3250 | #if 'I' == 73 && 'J' == 74 |
3251 | /* On an ASCII/ISO kind of system */ | |
ba1ac976 | 3252 | #define ISUUCHAR(ch) ((ch) >= ' ' && (ch) < 'a') |
9d116dd7 JH |
3253 | #else |
3254 | /* | |
3255 | Some other sort of character set - use memchr() so we don't match | |
3256 | the null byte. | |
3257 | */ | |
80252599 | 3258 | #define ISUUCHAR(ch) (memchr(PL_uuemap, (ch), sizeof(PL_uuemap)-1) || (ch) == ' ') |
9d116dd7 JH |
3259 | #endif |
3260 | ||
a0d0e21e | 3261 | PP(pp_unpack) |
79072805 | 3262 | { |
4e35701f | 3263 | djSP; |
a0d0e21e | 3264 | dPOPPOPssrl; |
924508f0 | 3265 | SV **oldsp = SP; |
54310121 | 3266 | I32 gimme = GIMME_V; |
ed6116ce | 3267 | SV *sv; |
a0d0e21e LW |
3268 | STRLEN llen; |
3269 | STRLEN rlen; | |
3270 | register char *pat = SvPV(left, llen); | |
3271 | register char *s = SvPV(right, rlen); | |
3272 | char *strend = s + rlen; | |
3273 | char *strbeg = s; | |
3274 | register char *patend = pat + llen; | |
3275 | I32 datumtype; | |
3276 | register I32 len; | |
3277 | register I32 bits; | |
79072805 | 3278 | |
a0d0e21e LW |
3279 | /* These must not be in registers: */ |
3280 | I16 ashort; | |
3281 | int aint; | |
3282 | I32 along; | |
ecfc5424 AD |
3283 | #ifdef HAS_QUAD |
3284 | Quad_t aquad; | |
a0d0e21e LW |
3285 | #endif |
3286 | U16 aushort; | |
3287 | unsigned int auint; | |
3288 | U32 aulong; | |
ecfc5424 | 3289 | #ifdef HAS_QUAD |
e862df63 | 3290 | Uquad_t auquad; |
a0d0e21e LW |
3291 | #endif |
3292 | char *aptr; | |
3293 | float afloat; | |
3294 | double adouble; | |
3295 | I32 checksum = 0; | |
3296 | register U32 culong; | |
3297 | double cdouble; | |
fb73857a | 3298 | int commas = 0; |
726ea183 | 3299 | #ifdef PERL_NATINT_PACK |
ef54e1a4 JH |
3300 | int natint; /* native integer */ |
3301 | int unatint; /* unsigned native integer */ | |
726ea183 | 3302 | #endif |
79072805 | 3303 | |
54310121 | 3304 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
a0d0e21e LW |
3305 | /*SUPPRESS 530*/ |
3306 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
5a929a98 | 3307 | if (strchr("aAZbBhHP", *patend) || *pat == '%') { |
a0d0e21e LW |
3308 | patend++; |
3309 | while (isDIGIT(*patend) || *patend == '*') | |
3310 | patend++; | |
3311 | } | |
3312 | else | |
3313 | patend++; | |
79072805 | 3314 | } |
a0d0e21e LW |
3315 | while (pat < patend) { |
3316 | reparse: | |
bbdab043 | 3317 | datumtype = *pat++ & 0xFF; |
726ea183 | 3318 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3319 | natint = 0; |
726ea183 | 3320 | #endif |
bbdab043 CS |
3321 | if (isSPACE(datumtype)) |
3322 | continue; | |
f61d411c | 3323 | if (*pat == '!') { |
ef54e1a4 JH |
3324 | char *natstr = "sSiIlL"; |
3325 | ||
3326 | if (strchr(natstr, datumtype)) { | |
726ea183 | 3327 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3328 | natint = 1; |
726ea183 | 3329 | #endif |
ef54e1a4 JH |
3330 | pat++; |
3331 | } | |
3332 | else | |
cea2e8a9 | 3333 | Perl_croak(aTHX_ "'!' allowed only after types %s", natstr); |
ef54e1a4 | 3334 | } |
a0d0e21e LW |
3335 | if (pat >= patend) |
3336 | len = 1; | |
3337 | else if (*pat == '*') { | |
3338 | len = strend - strbeg; /* long enough */ | |
3339 | pat++; | |
3340 | } | |
3341 | else if (isDIGIT(*pat)) { | |
3342 | len = *pat++ - '0'; | |
3343 | while (isDIGIT(*pat)) | |
3344 | len = (len * 10) + (*pat++ - '0'); | |
3345 | } | |
3346 | else | |
3347 | len = (datumtype != '@'); | |
3348 | switch(datumtype) { | |
3349 | default: | |
cea2e8a9 | 3350 | Perl_croak(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3351 | case ',': /* grandfather in commas but with a warning */ |
599cee73 | 3352 | if (commas++ == 0 && ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 3353 | Perl_warner(aTHX_ WARN_UNSAFE, "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3354 | break; |
a0d0e21e LW |
3355 | case '%': |
3356 | if (len == 1 && pat[-1] != '1') | |
3357 | len = 16; | |
3358 | checksum = len; | |
3359 | culong = 0; | |
3360 | cdouble = 0; | |
3361 | if (pat < patend) | |
3362 | goto reparse; | |
3363 | break; | |
3364 | case '@': | |
3365 | if (len > strend - strbeg) | |
cea2e8a9 | 3366 | DIE(aTHX_ "@ outside of string"); |
a0d0e21e LW |
3367 | s = strbeg + len; |
3368 | break; | |
3369 | case 'X': | |
3370 | if (len > s - strbeg) | |
cea2e8a9 | 3371 | DIE(aTHX_ "X outside of string"); |
a0d0e21e LW |
3372 | s -= len; |
3373 | break; | |
3374 | case 'x': | |
3375 | if (len > strend - s) | |
cea2e8a9 | 3376 | DIE(aTHX_ "x outside of string"); |
a0d0e21e LW |
3377 | s += len; |
3378 | break; | |
3379 | case 'A': | |
5a929a98 | 3380 | case 'Z': |
a0d0e21e LW |
3381 | case 'a': |
3382 | if (len > strend - s) | |
3383 | len = strend - s; | |
3384 | if (checksum) | |
3385 | goto uchar_checksum; | |
3386 | sv = NEWSV(35, len); | |
3387 | sv_setpvn(sv, s, len); | |
3388 | s += len; | |
5a929a98 | 3389 | if (datumtype == 'A' || datumtype == 'Z') { |
a0d0e21e | 3390 | aptr = s; /* borrow register */ |
5a929a98 VU |
3391 | if (datumtype == 'Z') { /* 'Z' strips stuff after first null */ |
3392 | s = SvPVX(sv); | |
3393 | while (*s) | |
3394 | s++; | |
3395 | } | |
3396 | else { /* 'A' strips both nulls and spaces */ | |
3397 | s = SvPVX(sv) + len - 1; | |
3398 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) | |
3399 | s--; | |
3400 | *++s = '\0'; | |
3401 | } | |
a0d0e21e LW |
3402 | SvCUR_set(sv, s - SvPVX(sv)); |
3403 | s = aptr; /* unborrow register */ | |
3404 | } | |
3405 | XPUSHs(sv_2mortal(sv)); | |
3406 | break; | |
3407 | case 'B': | |
3408 | case 'b': | |
3409 | if (pat[-1] == '*' || len > (strend - s) * 8) | |
3410 | len = (strend - s) * 8; | |
3411 | if (checksum) { | |
80252599 GS |
3412 | if (!PL_bitcount) { |
3413 | Newz(601, PL_bitcount, 256, char); | |
a0d0e21e | 3414 | for (bits = 1; bits < 256; bits++) { |
80252599 GS |
3415 | if (bits & 1) PL_bitcount[bits]++; |
3416 | if (bits & 2) PL_bitcount[bits]++; | |
3417 | if (bits & 4) PL_bitcount[bits]++; | |
3418 | if (bits & 8) PL_bitcount[bits]++; | |
3419 | if (bits & 16) PL_bitcount[bits]++; | |
3420 | if (bits & 32) PL_bitcount[bits]++; | |
3421 | if (bits & 64) PL_bitcount[bits]++; | |
3422 | if (bits & 128) PL_bitcount[bits]++; | |
a0d0e21e LW |
3423 | } |
3424 | } | |
3425 | while (len >= 8) { | |
80252599 | 3426 | culong += PL_bitcount[*(unsigned char*)s++]; |
a0d0e21e LW |
3427 | len -= 8; |
3428 | } | |
3429 | if (len) { | |
3430 | bits = *s; | |
3431 | if (datumtype == 'b') { | |
3432 | while (len-- > 0) { | |
3433 | if (bits & 1) culong++; | |
3434 | bits >>= 1; | |
3435 | } | |
3436 | } | |
3437 | else { | |
3438 | while (len-- > 0) { | |
3439 | if (bits & 128) culong++; | |
3440 | bits <<= 1; | |
3441 | } | |
3442 | } | |
3443 | } | |
79072805 LW |
3444 | break; |
3445 | } | |
a0d0e21e LW |
3446 | sv = NEWSV(35, len + 1); |
3447 | SvCUR_set(sv, len); | |
3448 | SvPOK_on(sv); | |
3449 | aptr = pat; /* borrow register */ | |
3450 | pat = SvPVX(sv); | |
3451 | if (datumtype == 'b') { | |
3452 | aint = len; | |
3453 | for (len = 0; len < aint; len++) { | |
3454 | if (len & 7) /*SUPPRESS 595*/ | |
3455 | bits >>= 1; | |
3456 | else | |
3457 | bits = *s++; | |
3458 | *pat++ = '0' + (bits & 1); | |
3459 | } | |
3460 | } | |
3461 | else { | |
3462 | aint = len; | |
3463 | for (len = 0; len < aint; len++) { | |
3464 | if (len & 7) | |
3465 | bits <<= 1; | |
3466 | else | |
3467 | bits = *s++; | |
3468 | *pat++ = '0' + ((bits & 128) != 0); | |
3469 | } | |
3470 | } | |
3471 | *pat = '\0'; | |
3472 | pat = aptr; /* unborrow register */ | |
3473 | XPUSHs(sv_2mortal(sv)); | |
3474 | break; | |
3475 | case 'H': | |
3476 | case 'h': | |
3477 | if (pat[-1] == '*' || len > (strend - s) * 2) | |
3478 | len = (strend - s) * 2; | |
3479 | sv = NEWSV(35, len + 1); | |
3480 | SvCUR_set(sv, len); | |
3481 | SvPOK_on(sv); | |
3482 | aptr = pat; /* borrow register */ | |
3483 | pat = SvPVX(sv); | |
3484 | if (datumtype == 'h') { | |
3485 | aint = len; | |
3486 | for (len = 0; len < aint; len++) { | |
3487 | if (len & 1) | |
3488 | bits >>= 4; | |
3489 | else | |
3490 | bits = *s++; | |
3280af22 | 3491 | *pat++ = PL_hexdigit[bits & 15]; |
a0d0e21e LW |
3492 | } |
3493 | } | |
3494 | else { | |
3495 | aint = len; | |
3496 | for (len = 0; len < aint; len++) { | |
3497 | if (len & 1) | |
3498 | bits <<= 4; | |
3499 | else | |
3500 | bits = *s++; | |
3280af22 | 3501 | *pat++ = PL_hexdigit[(bits >> 4) & 15]; |
a0d0e21e LW |
3502 | } |
3503 | } | |
3504 | *pat = '\0'; | |
3505 | pat = aptr; /* unborrow register */ | |
3506 | XPUSHs(sv_2mortal(sv)); | |
3507 | break; | |
3508 | case 'c': | |
3509 | if (len > strend - s) | |
3510 | len = strend - s; | |
3511 | if (checksum) { | |
3512 | while (len-- > 0) { | |
3513 | aint = *s++; | |
3514 | if (aint >= 128) /* fake up signed chars */ | |
3515 | aint -= 256; | |
3516 | culong += aint; | |
3517 | } | |
3518 | } | |
3519 | else { | |
3520 | EXTEND(SP, len); | |
bbce6d69 | 3521 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3522 | while (len-- > 0) { |
3523 | aint = *s++; | |
3524 | if (aint >= 128) /* fake up signed chars */ | |
3525 | aint -= 256; | |
3526 | sv = NEWSV(36, 0); | |
1e422769 | 3527 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3528 | PUSHs(sv_2mortal(sv)); |
3529 | } | |
3530 | } | |
3531 | break; | |
3532 | case 'C': | |
3533 | if (len > strend - s) | |
3534 | len = strend - s; | |
3535 | if (checksum) { | |
3536 | uchar_checksum: | |
3537 | while (len-- > 0) { | |
3538 | auint = *s++ & 255; | |
3539 | culong += auint; | |
3540 | } | |
3541 | } | |
3542 | else { | |
3543 | EXTEND(SP, len); | |
bbce6d69 | 3544 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3545 | while (len-- > 0) { |
3546 | auint = *s++ & 255; | |
3547 | sv = NEWSV(37, 0); | |
1e422769 | 3548 | sv_setiv(sv, (IV)auint); |
a0d0e21e LW |
3549 | PUSHs(sv_2mortal(sv)); |
3550 | } | |
3551 | } | |
3552 | break; | |
a0ed51b3 LW |
3553 | case 'U': |
3554 | if (len > strend - s) | |
3555 | len = strend - s; | |
3556 | if (checksum) { | |
3557 | while (len-- > 0 && s < strend) { | |
dfe13c55 | 3558 | auint = utf8_to_uv((U8*)s, &along); |
a0ed51b3 | 3559 | s += along; |
32d8b6e5 GA |
3560 | if (checksum > 32) |
3561 | cdouble += (double)auint; | |
3562 | else | |
3563 | culong += auint; | |
a0ed51b3 LW |
3564 | } |
3565 | } | |
3566 | else { | |
3567 | EXTEND(SP, len); | |
3568 | EXTEND_MORTAL(len); | |
3569 | while (len-- > 0 && s < strend) { | |
dfe13c55 | 3570 | auint = utf8_to_uv((U8*)s, &along); |
a0ed51b3 LW |
3571 | s += along; |
3572 | sv = NEWSV(37, 0); | |
bdeef251 | 3573 | sv_setuv(sv, (UV)auint); |
a0ed51b3 LW |
3574 | PUSHs(sv_2mortal(sv)); |
3575 | } | |
3576 | } | |
3577 | break; | |
a0d0e21e | 3578 | case 's': |
726ea183 JH |
3579 | #if SHORTSIZE == SIZE16 |
3580 | along = (strend - s) / SIZE16; | |
3581 | #else | |
ef54e1a4 | 3582 | along = (strend - s) / (natint ? sizeof(short) : SIZE16); |
726ea183 | 3583 | #endif |
a0d0e21e LW |
3584 | if (len > along) |
3585 | len = along; | |
3586 | if (checksum) { | |
726ea183 | 3587 | #if SHORTSIZE != SIZE16 |
ef54e1a4 JH |
3588 | if (natint) { |
3589 | while (len-- > 0) { | |
3590 | COPYNN(s, &ashort, sizeof(short)); | |
3591 | s += sizeof(short); | |
3592 | culong += ashort; | |
3593 | ||
3594 | } | |
3595 | } | |
726ea183 JH |
3596 | else |
3597 | #endif | |
3598 | { | |
ef54e1a4 JH |
3599 | while (len-- > 0) { |
3600 | COPY16(s, &ashort); | |
c67712b2 JH |
3601 | #if SHORTSIZE > SIZE16 |
3602 | if (ashort > 32767) | |
3603 | ashort -= 65536; | |
3604 | #endif | |
ef54e1a4 JH |
3605 | s += SIZE16; |
3606 | culong += ashort; | |
3607 | } | |
a0d0e21e LW |
3608 | } |
3609 | } | |
3610 | else { | |
3611 | EXTEND(SP, len); | |
bbce6d69 | 3612 | EXTEND_MORTAL(len); |
726ea183 | 3613 | #if SHORTSIZE != SIZE16 |
ef54e1a4 JH |
3614 | if (natint) { |
3615 | while (len-- > 0) { | |
3616 | COPYNN(s, &ashort, sizeof(short)); | |
3617 | s += sizeof(short); | |
3618 | sv = NEWSV(38, 0); | |
3619 | sv_setiv(sv, (IV)ashort); | |
3620 | PUSHs(sv_2mortal(sv)); | |
3621 | } | |
3622 | } | |
726ea183 JH |
3623 | else |
3624 | #endif | |
3625 | { | |
ef54e1a4 JH |
3626 | while (len-- > 0) { |
3627 | COPY16(s, &ashort); | |
c67712b2 JH |
3628 | #if SHORTSIZE > SIZE16 |
3629 | if (ashort > 32767) | |
3630 | ashort -= 65536; | |
3631 | #endif | |
ef54e1a4 JH |
3632 | s += SIZE16; |
3633 | sv = NEWSV(38, 0); | |
3634 | sv_setiv(sv, (IV)ashort); | |
3635 | PUSHs(sv_2mortal(sv)); | |
3636 | } | |
a0d0e21e LW |
3637 | } |
3638 | } | |
3639 | break; | |
3640 | case 'v': | |
3641 | case 'n': | |
3642 | case 'S': | |
726ea183 JH |
3643 | #if SHORTSIZE == SIZE16 |
3644 | along = (strend - s) / SIZE16; | |
3645 | #else | |
ef54e1a4 JH |
3646 | unatint = natint && datumtype == 'S'; |
3647 | along = (strend - s) / (unatint ? sizeof(unsigned short) : SIZE16); | |
726ea183 | 3648 | #endif |
a0d0e21e LW |
3649 | if (len > along) |
3650 | len = along; | |
3651 | if (checksum) { | |
726ea183 | 3652 | #if SHORTSIZE != SIZE16 |
ef54e1a4 JH |
3653 | if (unatint) { |
3654 | while (len-- > 0) { | |
3655 | COPYNN(s, &aushort, sizeof(unsigned short)); | |
3656 | s += sizeof(unsigned short); | |
3657 | culong += aushort; | |
3658 | } | |
3659 | } | |
726ea183 JH |
3660 | else |
3661 | #endif | |
3662 | { | |
ef54e1a4 JH |
3663 | while (len-- > 0) { |
3664 | COPY16(s, &aushort); | |
3665 | s += SIZE16; | |
a0d0e21e | 3666 | #ifdef HAS_NTOHS |
ef54e1a4 JH |
3667 | if (datumtype == 'n') |
3668 | aushort = PerlSock_ntohs(aushort); | |
79072805 | 3669 | #endif |
a0d0e21e | 3670 | #ifdef HAS_VTOHS |
ef54e1a4 JH |
3671 | if (datumtype == 'v') |
3672 | aushort = vtohs(aushort); | |
79072805 | 3673 | #endif |
ef54e1a4 JH |
3674 | culong += aushort; |
3675 | } | |
a0d0e21e LW |
3676 | } |
3677 | } | |
3678 | else { | |
3679 | EXTEND(SP, len); | |
bbce6d69 | 3680 | EXTEND_MORTAL(len); |
726ea183 | 3681 | #if SHORTSIZE != SIZE16 |
ef54e1a4 JH |
3682 | if (unatint) { |
3683 | while (len-- > 0) { | |
3684 | COPYNN(s, &aushort, sizeof(unsigned short)); | |
3685 | s += sizeof(unsigned short); | |
3686 | sv = NEWSV(39, 0); | |
726ea183 | 3687 | sv_setiv(sv, (UV)aushort); |
ef54e1a4 JH |
3688 | PUSHs(sv_2mortal(sv)); |
3689 | } | |
3690 | } | |
726ea183 JH |
3691 | else |
3692 | #endif | |
3693 | { | |
ef54e1a4 JH |
3694 | while (len-- > 0) { |
3695 | COPY16(s, &aushort); | |
3696 | s += SIZE16; | |
3697 | sv = NEWSV(39, 0); | |
a0d0e21e | 3698 | #ifdef HAS_NTOHS |
ef54e1a4 JH |
3699 | if (datumtype == 'n') |
3700 | aushort = PerlSock_ntohs(aushort); | |
79072805 | 3701 | #endif |
a0d0e21e | 3702 | #ifdef HAS_VTOHS |
ef54e1a4 JH |
3703 | if (datumtype == 'v') |
3704 | aushort = vtohs(aushort); | |
79072805 | 3705 | #endif |
726ea183 | 3706 | sv_setiv(sv, (UV)aushort); |
ef54e1a4 JH |
3707 | PUSHs(sv_2mortal(sv)); |
3708 | } | |
a0d0e21e LW |
3709 | } |
3710 | } | |
3711 | break; | |
3712 | case 'i': | |
3713 | along = (strend - s) / sizeof(int); | |
3714 | if (len > along) | |
3715 | len = along; | |
3716 | if (checksum) { | |
3717 | while (len-- > 0) { | |
3718 | Copy(s, &aint, 1, int); | |
3719 | s += sizeof(int); | |
3720 | if (checksum > 32) | |
3721 | cdouble += (double)aint; | |
3722 | else | |
3723 | culong += aint; | |
3724 | } | |
3725 | } | |
3726 | else { | |