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 | /* | |
d0ba1bd2 JH |
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 | * | |
38 | * It just so happens that "int" is the right size almost everywhere. | |
39 | */ | |
40 | typedef int IBW; | |
41 | typedef unsigned UBW; | |
42 | ||
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 | */ | |
50 | #if LONGSIZE > 4 && defined(_CRAY) && !defined(_CRAYMPP) | |
51 | # define BW_BITS 32 | |
52 | # define BW_MASK ((1 << BW_BITS) - 1) | |
53 | # define BW_SIGN (1 << (BW_BITS - 1)) | |
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 | /* | |
96e4d5b1 | 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)); | |
cd06dffe GS |
409 | if ((PL_op->op_private & OPpLVAL_INTRO) && !CvLVALUE(cv)) |
410 | Perl_croak(aTHX_ "Can't modify non-lvalue subroutine call"); | |
07055b4c CS |
411 | } |
412 | else | |
3280af22 | 413 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
414 | SETs((SV*)cv); |
415 | RETURN; | |
416 | } | |
417 | ||
c07a80fd | 418 | PP(pp_prototype) |
419 | { | |
4e35701f | 420 | djSP; |
c07a80fd | 421 | CV *cv; |
422 | HV *stash; | |
423 | GV *gv; | |
424 | SV *ret; | |
425 | ||
3280af22 | 426 | ret = &PL_sv_undef; |
b6c543e3 IZ |
427 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
428 | char *s = SvPVX(TOPs); | |
429 | if (strnEQ(s, "CORE::", 6)) { | |
430 | int code; | |
431 | ||
432 | code = keyword(s + 6, SvCUR(TOPs) - 6); | |
433 | if (code < 0) { /* Overridable. */ | |
434 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
435 | int i = 0, n = 0, seen_question = 0; | |
436 | I32 oa; | |
437 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
438 | ||
439 | while (i < MAXO) { /* The slow way. */ | |
22c35a8c GS |
440 | if (strEQ(s + 6, PL_op_name[i]) |
441 | || strEQ(s + 6, PL_op_desc[i])) | |
442 | { | |
b6c543e3 | 443 | goto found; |
22c35a8c | 444 | } |
b6c543e3 IZ |
445 | i++; |
446 | } | |
447 | goto nonesuch; /* Should not happen... */ | |
448 | found: | |
22c35a8c | 449 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 IZ |
450 | while (oa) { |
451 | if (oa & OA_OPTIONAL) { | |
452 | seen_question = 1; | |
453 | str[n++] = ';'; | |
ef54e1a4 JH |
454 | } |
455 | else if (seen_question) | |
b6c543e3 IZ |
456 | goto set; /* XXXX system, exec */ |
457 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF | |
458 | && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) { | |
459 | str[n++] = '\\'; | |
460 | } | |
461 | /* What to do with R ((un)tie, tied, (sys)read, recv)? */ | |
462 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; | |
463 | oa = oa >> 4; | |
464 | } | |
465 | str[n++] = '\0'; | |
79cb57f6 | 466 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
467 | } |
468 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
469 | goto set; |
470 | else { /* None such */ | |
471 | nonesuch: | |
cea2e8a9 | 472 | Perl_croak(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
473 | } |
474 | } | |
475 | } | |
c07a80fd | 476 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 477 | if (cv && SvPOK(cv)) |
79cb57f6 | 478 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
b6c543e3 | 479 | set: |
c07a80fd | 480 | SETs(ret); |
481 | RETURN; | |
482 | } | |
483 | ||
a0d0e21e LW |
484 | PP(pp_anoncode) |
485 | { | |
4e35701f | 486 | djSP; |
533c011a | 487 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
a5f75d66 | 488 | if (CvCLONE(cv)) |
b355b4e0 | 489 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 490 | EXTEND(SP,1); |
748a9306 | 491 | PUSHs((SV*)cv); |
a0d0e21e LW |
492 | RETURN; |
493 | } | |
494 | ||
495 | PP(pp_srefgen) | |
79072805 | 496 | { |
4e35701f | 497 | djSP; |
71be2cbc | 498 | *SP = refto(*SP); |
79072805 | 499 | RETURN; |
8ec5e241 | 500 | } |
a0d0e21e LW |
501 | |
502 | PP(pp_refgen) | |
503 | { | |
4e35701f | 504 | djSP; dMARK; |
a0d0e21e | 505 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
506 | if (++MARK <= SP) |
507 | *MARK = *SP; | |
508 | else | |
3280af22 | 509 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
510 | *MARK = refto(*MARK); |
511 | SP = MARK; | |
512 | RETURN; | |
a0d0e21e | 513 | } |
bbce6d69 | 514 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 515 | while (++MARK <= SP) |
516 | *MARK = refto(*MARK); | |
a0d0e21e | 517 | RETURN; |
79072805 LW |
518 | } |
519 | ||
76e3520e | 520 | STATIC SV* |
cea2e8a9 | 521 | S_refto(pTHX_ SV *sv) |
71be2cbc | 522 | { |
523 | SV* rv; | |
524 | ||
525 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
526 | if (LvTARGLEN(sv)) | |
68dc0745 | 527 | vivify_defelem(sv); |
528 | if (!(sv = LvTARG(sv))) | |
3280af22 | 529 | sv = &PL_sv_undef; |
0dd88869 | 530 | else |
a6c40364 | 531 | (void)SvREFCNT_inc(sv); |
71be2cbc | 532 | } |
533 | else if (SvPADTMP(sv)) | |
534 | sv = newSVsv(sv); | |
535 | else { | |
536 | SvTEMP_off(sv); | |
537 | (void)SvREFCNT_inc(sv); | |
538 | } | |
539 | rv = sv_newmortal(); | |
540 | sv_upgrade(rv, SVt_RV); | |
541 | SvRV(rv) = sv; | |
542 | SvROK_on(rv); | |
543 | return rv; | |
544 | } | |
545 | ||
79072805 LW |
546 | PP(pp_ref) |
547 | { | |
4e35701f | 548 | djSP; dTARGET; |
463ee0b2 | 549 | SV *sv; |
79072805 LW |
550 | char *pv; |
551 | ||
a0d0e21e | 552 | sv = POPs; |
f12c7020 | 553 | |
554 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 555 | mg_get(sv); |
f12c7020 | 556 | |
a0d0e21e | 557 | if (!sv || !SvROK(sv)) |
4633a7c4 | 558 | RETPUSHNO; |
79072805 | 559 | |
ed6116ce | 560 | sv = SvRV(sv); |
a0d0e21e | 561 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 562 | PUSHp(pv, strlen(pv)); |
79072805 LW |
563 | RETURN; |
564 | } | |
565 | ||
566 | PP(pp_bless) | |
567 | { | |
4e35701f | 568 | djSP; |
463ee0b2 | 569 | HV *stash; |
79072805 | 570 | |
463ee0b2 | 571 | if (MAXARG == 1) |
3280af22 | 572 | stash = PL_curcop->cop_stash; |
7b8d334a GS |
573 | else { |
574 | SV *ssv = POPs; | |
575 | STRLEN len; | |
576 | char *ptr = SvPV(ssv,len); | |
599cee73 | 577 | if (ckWARN(WARN_UNSAFE) && len == 0) |
cea2e8a9 | 578 | Perl_warner(aTHX_ WARN_UNSAFE, |
599cee73 | 579 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
580 | stash = gv_stashpvn(ptr, len, TRUE); |
581 | } | |
a0d0e21e | 582 | |
5d3fdfeb | 583 | (void)sv_bless(TOPs, stash); |
79072805 LW |
584 | RETURN; |
585 | } | |
586 | ||
fb73857a | 587 | PP(pp_gelem) |
588 | { | |
589 | GV *gv; | |
590 | SV *sv; | |
76e3520e | 591 | SV *tmpRef; |
fb73857a | 592 | char *elem; |
4e35701f | 593 | djSP; |
2d8e6c8d GS |
594 | STRLEN n_a; |
595 | ||
fb73857a | 596 | sv = POPs; |
2d8e6c8d | 597 | elem = SvPV(sv, n_a); |
fb73857a | 598 | gv = (GV*)POPs; |
76e3520e | 599 | tmpRef = Nullsv; |
fb73857a | 600 | sv = Nullsv; |
601 | switch (elem ? *elem : '\0') | |
602 | { | |
603 | case 'A': | |
604 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 605 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 606 | break; |
607 | case 'C': | |
608 | if (strEQ(elem, "CODE")) | |
76e3520e | 609 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 610 | break; |
611 | case 'F': | |
612 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ | |
76e3520e | 613 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 614 | break; |
615 | case 'G': | |
616 | if (strEQ(elem, "GLOB")) | |
76e3520e | 617 | tmpRef = (SV*)gv; |
fb73857a | 618 | break; |
619 | case 'H': | |
620 | if (strEQ(elem, "HASH")) | |
76e3520e | 621 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 622 | break; |
623 | case 'I': | |
624 | if (strEQ(elem, "IO")) | |
76e3520e | 625 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 626 | break; |
627 | case 'N': | |
628 | if (strEQ(elem, "NAME")) | |
79cb57f6 | 629 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
fb73857a | 630 | break; |
631 | case 'P': | |
632 | if (strEQ(elem, "PACKAGE")) | |
633 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
634 | break; | |
635 | case 'S': | |
636 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 637 | tmpRef = GvSV(gv); |
fb73857a | 638 | break; |
639 | } | |
76e3520e GS |
640 | if (tmpRef) |
641 | sv = newRV(tmpRef); | |
fb73857a | 642 | if (sv) |
643 | sv_2mortal(sv); | |
644 | else | |
3280af22 | 645 | sv = &PL_sv_undef; |
fb73857a | 646 | XPUSHs(sv); |
647 | RETURN; | |
648 | } | |
649 | ||
a0d0e21e | 650 | /* Pattern matching */ |
79072805 | 651 | |
a0d0e21e | 652 | PP(pp_study) |
79072805 | 653 | { |
4e35701f | 654 | djSP; dPOPss; |
a0d0e21e LW |
655 | register unsigned char *s; |
656 | register I32 pos; | |
657 | register I32 ch; | |
658 | register I32 *sfirst; | |
659 | register I32 *snext; | |
a0d0e21e LW |
660 | STRLEN len; |
661 | ||
3280af22 | 662 | if (sv == PL_lastscream) { |
1e422769 | 663 | if (SvSCREAM(sv)) |
664 | RETPUSHYES; | |
665 | } | |
c07a80fd | 666 | else { |
3280af22 NIS |
667 | if (PL_lastscream) { |
668 | SvSCREAM_off(PL_lastscream); | |
669 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 670 | } |
3280af22 | 671 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 672 | } |
1e422769 | 673 | |
674 | s = (unsigned char*)(SvPV(sv, len)); | |
675 | pos = len; | |
676 | if (pos <= 0) | |
677 | RETPUSHNO; | |
3280af22 NIS |
678 | if (pos > PL_maxscream) { |
679 | if (PL_maxscream < 0) { | |
680 | PL_maxscream = pos + 80; | |
681 | New(301, PL_screamfirst, 256, I32); | |
682 | New(302, PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
683 | } |
684 | else { | |
3280af22 NIS |
685 | PL_maxscream = pos + pos / 4; |
686 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 687 | } |
79072805 | 688 | } |
a0d0e21e | 689 | |
3280af22 NIS |
690 | sfirst = PL_screamfirst; |
691 | snext = PL_screamnext; | |
a0d0e21e LW |
692 | |
693 | if (!sfirst || !snext) | |
cea2e8a9 | 694 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
695 | |
696 | for (ch = 256; ch; --ch) | |
697 | *sfirst++ = -1; | |
698 | sfirst -= 256; | |
699 | ||
700 | while (--pos >= 0) { | |
701 | ch = s[pos]; | |
702 | if (sfirst[ch] >= 0) | |
703 | snext[pos] = sfirst[ch] - pos; | |
704 | else | |
705 | snext[pos] = -pos; | |
706 | sfirst[ch] = pos; | |
79072805 LW |
707 | } |
708 | ||
c07a80fd | 709 | SvSCREAM_on(sv); |
464e2e8a | 710 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
1e422769 | 711 | RETPUSHYES; |
79072805 LW |
712 | } |
713 | ||
a0d0e21e | 714 | PP(pp_trans) |
79072805 | 715 | { |
4e35701f | 716 | djSP; dTARG; |
a0d0e21e LW |
717 | SV *sv; |
718 | ||
533c011a | 719 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 720 | sv = POPs; |
79072805 | 721 | else { |
54b9620d | 722 | sv = DEFSV; |
a0d0e21e | 723 | EXTEND(SP,1); |
79072805 | 724 | } |
adbc6bb1 | 725 | TARG = sv_newmortal(); |
4757a243 | 726 | PUSHi(do_trans(sv)); |
a0d0e21e | 727 | RETURN; |
79072805 LW |
728 | } |
729 | ||
a0d0e21e | 730 | /* Lvalue operators. */ |
79072805 | 731 | |
a0d0e21e LW |
732 | PP(pp_schop) |
733 | { | |
4e35701f | 734 | djSP; dTARGET; |
a0d0e21e LW |
735 | do_chop(TARG, TOPs); |
736 | SETTARG; | |
737 | RETURN; | |
79072805 LW |
738 | } |
739 | ||
a0d0e21e | 740 | PP(pp_chop) |
79072805 | 741 | { |
4e35701f | 742 | djSP; dMARK; dTARGET; |
a0d0e21e LW |
743 | while (SP > MARK) |
744 | do_chop(TARG, POPs); | |
745 | PUSHTARG; | |
746 | RETURN; | |
79072805 LW |
747 | } |
748 | ||
a0d0e21e | 749 | PP(pp_schomp) |
79072805 | 750 | { |
4e35701f | 751 | djSP; dTARGET; |
a0d0e21e LW |
752 | SETi(do_chomp(TOPs)); |
753 | RETURN; | |
79072805 LW |
754 | } |
755 | ||
a0d0e21e | 756 | PP(pp_chomp) |
79072805 | 757 | { |
4e35701f | 758 | djSP; dMARK; dTARGET; |
a0d0e21e | 759 | register I32 count = 0; |
8ec5e241 | 760 | |
a0d0e21e LW |
761 | while (SP > MARK) |
762 | count += do_chomp(POPs); | |
763 | PUSHi(count); | |
764 | RETURN; | |
79072805 LW |
765 | } |
766 | ||
a0d0e21e | 767 | PP(pp_defined) |
463ee0b2 | 768 | { |
4e35701f | 769 | djSP; |
a0d0e21e LW |
770 | register SV* sv; |
771 | ||
772 | sv = POPs; | |
773 | if (!sv || !SvANY(sv)) | |
774 | RETPUSHNO; | |
775 | switch (SvTYPE(sv)) { | |
776 | case SVt_PVAV: | |
6051dbdb | 777 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
778 | RETPUSHYES; |
779 | break; | |
780 | case SVt_PVHV: | |
6051dbdb | 781 | if (HvARRAY(sv) || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
782 | RETPUSHYES; |
783 | break; | |
784 | case SVt_PVCV: | |
785 | if (CvROOT(sv) || CvXSUB(sv)) | |
786 | RETPUSHYES; | |
787 | break; | |
788 | default: | |
789 | if (SvGMAGICAL(sv)) | |
790 | mg_get(sv); | |
791 | if (SvOK(sv)) | |
792 | RETPUSHYES; | |
793 | } | |
794 | RETPUSHNO; | |
463ee0b2 LW |
795 | } |
796 | ||
a0d0e21e LW |
797 | PP(pp_undef) |
798 | { | |
4e35701f | 799 | djSP; |
a0d0e21e LW |
800 | SV *sv; |
801 | ||
533c011a | 802 | if (!PL_op->op_private) { |
774d564b | 803 | EXTEND(SP, 1); |
a0d0e21e | 804 | RETPUSHUNDEF; |
774d564b | 805 | } |
79072805 | 806 | |
a0d0e21e LW |
807 | sv = POPs; |
808 | if (!sv) | |
809 | RETPUSHUNDEF; | |
85e6fe83 | 810 | |
6fc92669 GS |
811 | if (SvTHINKFIRST(sv)) |
812 | sv_force_normal(sv); | |
85e6fe83 | 813 | |
a0d0e21e LW |
814 | switch (SvTYPE(sv)) { |
815 | case SVt_NULL: | |
816 | break; | |
817 | case SVt_PVAV: | |
818 | av_undef((AV*)sv); | |
819 | break; | |
820 | case SVt_PVHV: | |
821 | hv_undef((HV*)sv); | |
822 | break; | |
823 | case SVt_PVCV: | |
599cee73 | 824 | if (ckWARN(WARN_UNSAFE) && cv_const_sv((CV*)sv)) |
cea2e8a9 | 825 | Perl_warner(aTHX_ WARN_UNSAFE, "Constant subroutine %s undefined", |
54310121 | 826 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 827 | /* FALL THROUGH */ |
828 | case SVt_PVFM: | |
6fc92669 GS |
829 | { |
830 | /* let user-undef'd sub keep its identity */ | |
831 | GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv)); | |
832 | cv_undef((CV*)sv); | |
833 | CvGV((CV*)sv) = gv; | |
834 | } | |
a0d0e21e | 835 | break; |
8e07c86e | 836 | case SVt_PVGV: |
44a8e56a | 837 | if (SvFAKE(sv)) |
3280af22 | 838 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
839 | else { |
840 | GP *gp; | |
841 | gp_free((GV*)sv); | |
842 | Newz(602, gp, 1, GP); | |
843 | GvGP(sv) = gp_ref(gp); | |
844 | GvSV(sv) = NEWSV(72,0); | |
3280af22 | 845 | GvLINE(sv) = PL_curcop->cop_line; |
20408e3c GS |
846 | GvEGV(sv) = (GV*)sv; |
847 | GvMULTI_on(sv); | |
848 | } | |
44a8e56a | 849 | break; |
a0d0e21e | 850 | default: |
1e422769 | 851 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
852 | (void)SvOOK_off(sv); |
853 | Safefree(SvPVX(sv)); | |
854 | SvPV_set(sv, Nullch); | |
855 | SvLEN_set(sv, 0); | |
a0d0e21e | 856 | } |
4633a7c4 LW |
857 | (void)SvOK_off(sv); |
858 | SvSETMAGIC(sv); | |
79072805 | 859 | } |
a0d0e21e LW |
860 | |
861 | RETPUSHUNDEF; | |
79072805 LW |
862 | } |
863 | ||
a0d0e21e | 864 | PP(pp_predec) |
79072805 | 865 | { |
4e35701f | 866 | djSP; |
68dc0745 | 867 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
cea2e8a9 | 868 | Perl_croak(aTHX_ PL_no_modify); |
25da4f38 | 869 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 870 | SvIVX(TOPs) != IV_MIN) |
871 | { | |
748a9306 | 872 | --SvIVX(TOPs); |
55497cff | 873 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
874 | } |
875 | else | |
876 | sv_dec(TOPs); | |
a0d0e21e LW |
877 | SvSETMAGIC(TOPs); |
878 | return NORMAL; | |
879 | } | |
79072805 | 880 | |
a0d0e21e LW |
881 | PP(pp_postinc) |
882 | { | |
4e35701f | 883 | djSP; dTARGET; |
68dc0745 | 884 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
cea2e8a9 | 885 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e | 886 | sv_setsv(TARG, TOPs); |
25da4f38 | 887 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 888 | SvIVX(TOPs) != IV_MAX) |
889 | { | |
748a9306 | 890 | ++SvIVX(TOPs); |
55497cff | 891 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
892 | } |
893 | else | |
894 | sv_inc(TOPs); | |
a0d0e21e LW |
895 | SvSETMAGIC(TOPs); |
896 | if (!SvOK(TARG)) | |
897 | sv_setiv(TARG, 0); | |
898 | SETs(TARG); | |
899 | return NORMAL; | |
900 | } | |
79072805 | 901 | |
a0d0e21e LW |
902 | PP(pp_postdec) |
903 | { | |
4e35701f | 904 | djSP; dTARGET; |
43192e07 | 905 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
cea2e8a9 | 906 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e | 907 | sv_setsv(TARG, TOPs); |
25da4f38 | 908 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 909 | SvIVX(TOPs) != IV_MIN) |
910 | { | |
748a9306 | 911 | --SvIVX(TOPs); |
55497cff | 912 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
913 | } |
914 | else | |
915 | sv_dec(TOPs); | |
a0d0e21e LW |
916 | SvSETMAGIC(TOPs); |
917 | SETs(TARG); | |
918 | return NORMAL; | |
919 | } | |
79072805 | 920 | |
a0d0e21e LW |
921 | /* Ordinary operators. */ |
922 | ||
923 | PP(pp_pow) | |
924 | { | |
8ec5e241 | 925 | djSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
926 | { |
927 | dPOPTOPnnrl; | |
928 | SETn( pow( left, right) ); | |
929 | RETURN; | |
93a17b20 | 930 | } |
a0d0e21e LW |
931 | } |
932 | ||
933 | PP(pp_multiply) | |
934 | { | |
8ec5e241 | 935 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
936 | { |
937 | dPOPTOPnnrl; | |
938 | SETn( left * right ); | |
939 | RETURN; | |
79072805 | 940 | } |
a0d0e21e LW |
941 | } |
942 | ||
943 | PP(pp_divide) | |
944 | { | |
8ec5e241 | 945 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e | 946 | { |
77676ba1 | 947 | dPOPPOPnnrl; |
65202027 | 948 | NV value; |
7a4c00b4 | 949 | if (right == 0.0) |
cea2e8a9 | 950 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
951 | #ifdef SLOPPYDIVIDE |
952 | /* insure that 20./5. == 4. */ | |
953 | { | |
7a4c00b4 | 954 | IV k; |
65202027 DS |
955 | if ((NV)I_V(left) == left && |
956 | (NV)I_V(right) == right && | |
7a4c00b4 | 957 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { |
a0d0e21e | 958 | value = k; |
ef54e1a4 JH |
959 | } |
960 | else { | |
7a4c00b4 | 961 | value = left / right; |
79072805 | 962 | } |
a0d0e21e LW |
963 | } |
964 | #else | |
7a4c00b4 | 965 | value = left / right; |
a0d0e21e LW |
966 | #endif |
967 | PUSHn( value ); | |
968 | RETURN; | |
79072805 | 969 | } |
a0d0e21e LW |
970 | } |
971 | ||
972 | PP(pp_modulo) | |
973 | { | |
76e3520e | 974 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 975 | { |
787eafbd IZ |
976 | UV left; |
977 | UV right; | |
978 | bool left_neg; | |
979 | bool right_neg; | |
980 | bool use_double = 0; | |
65202027 DS |
981 | NV dright; |
982 | NV dleft; | |
787eafbd IZ |
983 | |
984 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { | |
985 | IV i = SvIVX(POPs); | |
986 | right = (right_neg = (i < 0)) ? -i : i; | |
987 | } | |
988 | else { | |
989 | dright = POPn; | |
990 | use_double = 1; | |
991 | right_neg = dright < 0; | |
992 | if (right_neg) | |
993 | dright = -dright; | |
994 | } | |
a0d0e21e | 995 | |
787eafbd IZ |
996 | if (!use_double && SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
997 | IV i = SvIVX(POPs); | |
998 | left = (left_neg = (i < 0)) ? -i : i; | |
999 | } | |
1000 | else { | |
1001 | dleft = POPn; | |
1002 | if (!use_double) { | |
a1bd196e GS |
1003 | use_double = 1; |
1004 | dright = right; | |
787eafbd IZ |
1005 | } |
1006 | left_neg = dleft < 0; | |
1007 | if (left_neg) | |
1008 | dleft = -dleft; | |
1009 | } | |
68dc0745 | 1010 | |
787eafbd | 1011 | if (use_double) { |
65202027 | 1012 | NV dans; |
787eafbd IZ |
1013 | |
1014 | #if 1 | |
787eafbd IZ |
1015 | /* Somehow U_V is pessimized even if CASTFLAGS is 0 */ |
1016 | # if CASTFLAGS & 2 | |
1017 | # define CAST_D2UV(d) U_V(d) | |
1018 | # else | |
1019 | # define CAST_D2UV(d) ((UV)(d)) | |
1020 | # endif | |
a1bd196e GS |
1021 | /* Tried to do this only in the case DOUBLESIZE <= UV_SIZE, |
1022 | * or, in other words, precision of UV more than of NV. | |
1023 | * But in fact the approach below turned out to be an | |
1024 | * optimization - floor() may be slow */ | |
787eafbd IZ |
1025 | if (dright <= UV_MAX && dleft <= UV_MAX) { |
1026 | right = CAST_D2UV(dright); | |
1027 | left = CAST_D2UV(dleft); | |
1028 | goto do_uv; | |
1029 | } | |
1030 | #endif | |
1031 | ||
1032 | /* Backward-compatibility clause: */ | |
853846ea NIS |
1033 | dright = floor(dright + 0.5); |
1034 | dleft = floor(dleft + 0.5); | |
787eafbd IZ |
1035 | |
1036 | if (!dright) | |
cea2e8a9 | 1037 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd | 1038 | |
65202027 | 1039 | dans = Perl_fmod(dleft, dright); |
787eafbd IZ |
1040 | if ((left_neg != right_neg) && dans) |
1041 | dans = dright - dans; | |
1042 | if (right_neg) | |
1043 | dans = -dans; | |
1044 | sv_setnv(TARG, dans); | |
1045 | } | |
1046 | else { | |
1047 | UV ans; | |
1048 | ||
1049 | do_uv: | |
1050 | if (!right) | |
cea2e8a9 | 1051 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1052 | |
1053 | ans = left % right; | |
1054 | if ((left_neg != right_neg) && ans) | |
1055 | ans = right - ans; | |
1056 | if (right_neg) { | |
1057 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1058 | /* could change -foo to be (~foo)+1 instead */ | |
1059 | if (ans <= ~((UV)IV_MAX)+1) | |
1060 | sv_setiv(TARG, ~ans+1); | |
1061 | else | |
65202027 | 1062 | sv_setnv(TARG, -(NV)ans); |
787eafbd IZ |
1063 | } |
1064 | else | |
1065 | sv_setuv(TARG, ans); | |
1066 | } | |
1067 | PUSHTARG; | |
1068 | RETURN; | |
79072805 | 1069 | } |
a0d0e21e | 1070 | } |
79072805 | 1071 | |
a0d0e21e LW |
1072 | PP(pp_repeat) |
1073 | { | |
4e35701f | 1074 | djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1075 | { |
a0d0e21e | 1076 | register I32 count = POPi; |
533c011a | 1077 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
1078 | dMARK; |
1079 | I32 items = SP - MARK; | |
1080 | I32 max; | |
79072805 | 1081 | |
a0d0e21e LW |
1082 | max = items * count; |
1083 | MEXTEND(MARK, max); | |
1084 | if (count > 1) { | |
1085 | while (SP > MARK) { | |
1086 | if (*SP) | |
1087 | SvTEMP_off((*SP)); | |
1088 | SP--; | |
79072805 | 1089 | } |
a0d0e21e LW |
1090 | MARK++; |
1091 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1092 | items * sizeof(SV*), count - 1); | |
1093 | SP += max; | |
79072805 | 1094 | } |
a0d0e21e LW |
1095 | else if (count <= 0) |
1096 | SP -= items; | |
79072805 | 1097 | } |
a0d0e21e LW |
1098 | else { /* Note: mark already snarfed by pp_list */ |
1099 | SV *tmpstr; | |
1100 | STRLEN len; | |
1101 | ||
1102 | tmpstr = POPs; | |
a0d0e21e LW |
1103 | SvSetSV(TARG, tmpstr); |
1104 | SvPV_force(TARG, len); | |
8ebc5c01 | 1105 | if (count != 1) { |
1106 | if (count < 1) | |
1107 | SvCUR_set(TARG, 0); | |
1108 | else { | |
1109 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1110 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1111 | SvCUR(TARG) *= count; |
7a4c00b4 | 1112 | } |
a0d0e21e | 1113 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1114 | } |
8ebc5c01 | 1115 | (void)SvPOK_only(TARG); |
a0d0e21e | 1116 | PUSHTARG; |
79072805 | 1117 | } |
a0d0e21e | 1118 | RETURN; |
748a9306 | 1119 | } |
a0d0e21e | 1120 | } |
79072805 | 1121 | |
a0d0e21e LW |
1122 | PP(pp_subtract) |
1123 | { | |
8ec5e241 | 1124 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 1125 | { |
7a4c00b4 | 1126 | dPOPTOPnnrl_ul; |
a0d0e21e LW |
1127 | SETn( left - right ); |
1128 | RETURN; | |
79072805 | 1129 | } |
a0d0e21e | 1130 | } |
79072805 | 1131 | |
a0d0e21e LW |
1132 | PP(pp_left_shift) |
1133 | { | |
8ec5e241 | 1134 | djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1135 | { |
d0ba1bd2 JH |
1136 | IBW shift = POPi; |
1137 | if (PL_op->op_private & HINT_INTEGER) { | |
1138 | IBW i = TOPi; | |
1139 | i = BWi(i) << shift; | |
1140 | SETi(BWi(i)); | |
1141 | } | |
1142 | else { | |
1143 | UBW u = TOPu; | |
1144 | u <<= shift; | |
1145 | SETu(BWu(u)); | |
1146 | } | |
55497cff | 1147 | RETURN; |
79072805 | 1148 | } |
a0d0e21e | 1149 | } |
79072805 | 1150 | |
a0d0e21e LW |
1151 | PP(pp_right_shift) |
1152 | { | |
8ec5e241 | 1153 | djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1154 | { |
d0ba1bd2 JH |
1155 | IBW shift = POPi; |
1156 | if (PL_op->op_private & HINT_INTEGER) { | |
1157 | IBW i = TOPi; | |
1158 | i = BWi(i) >> shift; | |
1159 | SETi(BWi(i)); | |
1160 | } | |
1161 | else { | |
1162 | UBW u = TOPu; | |
1163 | u >>= shift; | |
1164 | SETu(BWu(u)); | |
1165 | } | |
a0d0e21e | 1166 | RETURN; |
93a17b20 | 1167 | } |
79072805 LW |
1168 | } |
1169 | ||
a0d0e21e | 1170 | PP(pp_lt) |
79072805 | 1171 | { |
8ec5e241 | 1172 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1173 | { |
1174 | dPOPnv; | |
54310121 | 1175 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1176 | RETURN; |
79072805 | 1177 | } |
a0d0e21e | 1178 | } |
79072805 | 1179 | |
a0d0e21e LW |
1180 | PP(pp_gt) |
1181 | { | |
8ec5e241 | 1182 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1183 | { |
1184 | dPOPnv; | |
54310121 | 1185 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1186 | RETURN; |
79072805 | 1187 | } |
a0d0e21e LW |
1188 | } |
1189 | ||
1190 | PP(pp_le) | |
1191 | { | |
8ec5e241 | 1192 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1193 | { |
1194 | dPOPnv; | |
54310121 | 1195 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1196 | RETURN; |
79072805 | 1197 | } |
a0d0e21e LW |
1198 | } |
1199 | ||
1200 | PP(pp_ge) | |
1201 | { | |
8ec5e241 | 1202 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1203 | { |
1204 | dPOPnv; | |
54310121 | 1205 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1206 | RETURN; |
79072805 | 1207 | } |
a0d0e21e | 1208 | } |
79072805 | 1209 | |
a0d0e21e LW |
1210 | PP(pp_ne) |
1211 | { | |
8ec5e241 | 1212 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1213 | { |
1214 | dPOPnv; | |
54310121 | 1215 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1216 | RETURN; |
1217 | } | |
79072805 LW |
1218 | } |
1219 | ||
a0d0e21e | 1220 | PP(pp_ncmp) |
79072805 | 1221 | { |
8ec5e241 | 1222 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1223 | { |
1224 | dPOPTOPnnrl; | |
1225 | I32 value; | |
79072805 | 1226 | |
ff0cee69 | 1227 | if (left == right) |
a0d0e21e | 1228 | value = 0; |
a0d0e21e LW |
1229 | else if (left < right) |
1230 | value = -1; | |
44a8e56a | 1231 | else if (left > right) |
1232 | value = 1; | |
1233 | else { | |
3280af22 | 1234 | SETs(&PL_sv_undef); |
44a8e56a | 1235 | RETURN; |
1236 | } | |
a0d0e21e LW |
1237 | SETi(value); |
1238 | RETURN; | |
79072805 | 1239 | } |
a0d0e21e | 1240 | } |
79072805 | 1241 | |
a0d0e21e LW |
1242 | PP(pp_slt) |
1243 | { | |
8ec5e241 | 1244 | djSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1245 | { |
1246 | dPOPTOPssrl; | |
533c011a | 1247 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1248 | ? sv_cmp_locale(left, right) |
1249 | : sv_cmp(left, right)); | |
54310121 | 1250 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1251 | RETURN; |
1252 | } | |
79072805 LW |
1253 | } |
1254 | ||
a0d0e21e | 1255 | PP(pp_sgt) |
79072805 | 1256 | { |
8ec5e241 | 1257 | djSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1258 | { |
1259 | dPOPTOPssrl; | |
533c011a | 1260 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1261 | ? sv_cmp_locale(left, right) |
1262 | : sv_cmp(left, right)); | |
54310121 | 1263 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1264 | RETURN; |
1265 | } | |
1266 | } | |
79072805 | 1267 | |
a0d0e21e LW |
1268 | PP(pp_sle) |
1269 | { | |
8ec5e241 | 1270 | djSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1271 | { |
1272 | dPOPTOPssrl; | |
533c011a | 1273 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1274 | ? sv_cmp_locale(left, right) |
1275 | : sv_cmp(left, right)); | |
54310121 | 1276 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1277 | RETURN; |
79072805 | 1278 | } |
79072805 LW |
1279 | } |
1280 | ||
a0d0e21e LW |
1281 | PP(pp_sge) |
1282 | { | |
8ec5e241 | 1283 | djSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1284 | { |
1285 | dPOPTOPssrl; | |
533c011a | 1286 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1287 | ? sv_cmp_locale(left, right) |
1288 | : sv_cmp(left, right)); | |
54310121 | 1289 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1290 | RETURN; |
1291 | } | |
1292 | } | |
79072805 | 1293 | |
36477c24 | 1294 | PP(pp_seq) |
1295 | { | |
8ec5e241 | 1296 | djSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1297 | { |
1298 | dPOPTOPssrl; | |
54310121 | 1299 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1300 | RETURN; |
1301 | } | |
1302 | } | |
79072805 | 1303 | |
a0d0e21e | 1304 | PP(pp_sne) |
79072805 | 1305 | { |
8ec5e241 | 1306 | djSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1307 | { |
1308 | dPOPTOPssrl; | |
54310121 | 1309 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1310 | RETURN; |
463ee0b2 | 1311 | } |
79072805 LW |
1312 | } |
1313 | ||
a0d0e21e | 1314 | PP(pp_scmp) |
79072805 | 1315 | { |
4e35701f | 1316 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1317 | { |
1318 | dPOPTOPssrl; | |
533c011a | 1319 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1320 | ? sv_cmp_locale(left, right) |
1321 | : sv_cmp(left, right)); | |
1322 | SETi( cmp ); | |
a0d0e21e LW |
1323 | RETURN; |
1324 | } | |
1325 | } | |
79072805 | 1326 | |
55497cff | 1327 | PP(pp_bit_and) |
1328 | { | |
8ec5e241 | 1329 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1330 | { |
1331 | dPOPTOPssrl; | |
4633a7c4 | 1332 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 JH |
1333 | if (PL_op->op_private & HINT_INTEGER) { |
1334 | IBW value = SvIV(left) & SvIV(right); | |
1335 | SETi(BWi(value)); | |
1336 | } | |
1337 | else { | |
1338 | UBW value = SvUV(left) & SvUV(right); | |
1339 | SETu(BWu(value)); | |
1340 | } | |
a0d0e21e LW |
1341 | } |
1342 | else { | |
533c011a | 1343 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1344 | SETTARG; |
1345 | } | |
1346 | RETURN; | |
1347 | } | |
1348 | } | |
79072805 | 1349 | |
a0d0e21e LW |
1350 | PP(pp_bit_xor) |
1351 | { | |
8ec5e241 | 1352 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
1353 | { |
1354 | dPOPTOPssrl; | |
4633a7c4 | 1355 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 JH |
1356 | if (PL_op->op_private & HINT_INTEGER) { |
1357 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); | |
1358 | SETi(BWi(value)); | |
1359 | } | |
1360 | else { | |
1361 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); | |
1362 | SETu(BWu(value)); | |
1363 | } | |
a0d0e21e LW |
1364 | } |
1365 | else { | |
533c011a | 1366 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1367 | SETTARG; |
1368 | } | |
1369 | RETURN; | |
1370 | } | |
1371 | } | |
79072805 | 1372 | |
a0d0e21e LW |
1373 | PP(pp_bit_or) |
1374 | { | |
8ec5e241 | 1375 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
1376 | { |
1377 | dPOPTOPssrl; | |
4633a7c4 | 1378 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 JH |
1379 | if (PL_op->op_private & HINT_INTEGER) { |
1380 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); | |
1381 | SETi(BWi(value)); | |
1382 | } | |
1383 | else { | |
1384 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); | |
1385 | SETu(BWu(value)); | |
1386 | } | |
a0d0e21e LW |
1387 | } |
1388 | else { | |
533c011a | 1389 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1390 | SETTARG; |
1391 | } | |
1392 | RETURN; | |
79072805 | 1393 | } |
a0d0e21e | 1394 | } |
79072805 | 1395 | |
a0d0e21e LW |
1396 | PP(pp_negate) |
1397 | { | |
4e35701f | 1398 | djSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
1399 | { |
1400 | dTOPss; | |
4633a7c4 LW |
1401 | if (SvGMAGICAL(sv)) |
1402 | mg_get(sv); | |
55497cff | 1403 | if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN) |
1404 | SETi(-SvIVX(sv)); | |
1405 | else if (SvNIOKp(sv)) | |
a0d0e21e | 1406 | SETn(-SvNV(sv)); |
4633a7c4 | 1407 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
1408 | STRLEN len; |
1409 | char *s = SvPV(sv, len); | |
bbce6d69 | 1410 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
1411 | sv_setpvn(TARG, "-", 1); |
1412 | sv_catsv(TARG, sv); | |
79072805 | 1413 | } |
a0d0e21e LW |
1414 | else if (*s == '+' || *s == '-') { |
1415 | sv_setsv(TARG, sv); | |
1416 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 1417 | } |
b86a2fa7 | 1418 | else if (IN_UTF8 && *(U8*)s >= 0xc0 && isIDFIRST_utf8((U8*)s)) { |
834a4ddd LW |
1419 | sv_setpvn(TARG, "-", 1); |
1420 | sv_catsv(TARG, sv); | |
1421 | } | |
79072805 | 1422 | else |
a0d0e21e LW |
1423 | sv_setnv(TARG, -SvNV(sv)); |
1424 | SETTARG; | |
79072805 | 1425 | } |
4633a7c4 LW |
1426 | else |
1427 | SETn(-SvNV(sv)); | |
79072805 | 1428 | } |
a0d0e21e | 1429 | RETURN; |
79072805 LW |
1430 | } |
1431 | ||
a0d0e21e | 1432 | PP(pp_not) |
79072805 | 1433 | { |
4e35701f | 1434 | djSP; tryAMAGICunSET(not); |
3280af22 | 1435 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 1436 | return NORMAL; |
79072805 LW |
1437 | } |
1438 | ||
a0d0e21e | 1439 | PP(pp_complement) |
79072805 | 1440 | { |
8ec5e241 | 1441 | djSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
1442 | { |
1443 | dTOPss; | |
4633a7c4 | 1444 | if (SvNIOKp(sv)) { |
d0ba1bd2 JH |
1445 | if (PL_op->op_private & HINT_INTEGER) { |
1446 | IBW value = ~SvIV(sv); | |
1447 | SETi(BWi(value)); | |
1448 | } | |
1449 | else { | |
1450 | UBW value = ~SvUV(sv); | |
1451 | SETu(BWu(value)); | |
1452 | } | |
a0d0e21e LW |
1453 | } |
1454 | else { | |
1455 | register char *tmps; | |
1456 | register long *tmpl; | |
55497cff | 1457 | register I32 anum; |
a0d0e21e LW |
1458 | STRLEN len; |
1459 | ||
1460 | SvSetSV(TARG, sv); | |
1461 | tmps = SvPV_force(TARG, len); | |
1462 | anum = len; | |
1463 | #ifdef LIBERAL | |
1464 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
1465 | *tmps = ~*tmps; | |
1466 | tmpl = (long*)tmps; | |
1467 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
1468 | *tmpl = ~*tmpl; | |
1469 | tmps = (char*)tmpl; | |
1470 | #endif | |
1471 | for ( ; anum > 0; anum--, tmps++) | |
1472 | *tmps = ~*tmps; | |
1473 | ||
1474 | SETs(TARG); | |
1475 | } | |
1476 | RETURN; | |
1477 | } | |
79072805 LW |
1478 | } |
1479 | ||
a0d0e21e LW |
1480 | /* integer versions of some of the above */ |
1481 | ||
a0d0e21e | 1482 | PP(pp_i_multiply) |
79072805 | 1483 | { |
8ec5e241 | 1484 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
1485 | { |
1486 | dPOPTOPiirl; | |
1487 | SETi( left * right ); | |
1488 | RETURN; | |
1489 | } | |
79072805 LW |
1490 | } |
1491 | ||
a0d0e21e | 1492 | PP(pp_i_divide) |
79072805 | 1493 | { |
8ec5e241 | 1494 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
1495 | { |
1496 | dPOPiv; | |
1497 | if (value == 0) | |
cea2e8a9 | 1498 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
1499 | value = POPi / value; |
1500 | PUSHi( value ); | |
1501 | RETURN; | |
1502 | } | |
79072805 LW |
1503 | } |
1504 | ||
a0d0e21e | 1505 | PP(pp_i_modulo) |
79072805 | 1506 | { |
76e3520e | 1507 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 1508 | { |
a0d0e21e | 1509 | dPOPTOPiirl; |
aa306039 | 1510 | if (!right) |
cea2e8a9 | 1511 | DIE(aTHX_ "Illegal modulus zero"); |
a0d0e21e LW |
1512 | SETi( left % right ); |
1513 | RETURN; | |
79072805 | 1514 | } |
79072805 LW |
1515 | } |
1516 | ||
a0d0e21e | 1517 | PP(pp_i_add) |
79072805 | 1518 | { |
8ec5e241 | 1519 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e LW |
1520 | { |
1521 | dPOPTOPiirl; | |
1522 | SETi( left + right ); | |
1523 | RETURN; | |
79072805 | 1524 | } |
79072805 LW |
1525 | } |
1526 | ||
a0d0e21e | 1527 | PP(pp_i_subtract) |
79072805 | 1528 | { |
8ec5e241 | 1529 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e LW |
1530 | { |
1531 | dPOPTOPiirl; | |
1532 | SETi( left - right ); | |
1533 | RETURN; | |
79072805 | 1534 | } |
79072805 LW |
1535 | } |
1536 | ||
a0d0e21e | 1537 | PP(pp_i_lt) |
79072805 | 1538 | { |
8ec5e241 | 1539 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1540 | { |
1541 | dPOPTOPiirl; | |
54310121 | 1542 | SETs(boolSV(left < right)); |
a0d0e21e LW |
1543 | RETURN; |
1544 | } | |
79072805 LW |
1545 | } |
1546 | ||
a0d0e21e | 1547 | PP(pp_i_gt) |
79072805 | 1548 | { |
8ec5e241 | 1549 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1550 | { |
1551 | dPOPTOPiirl; | |
54310121 | 1552 | SETs(boolSV(left > right)); |
a0d0e21e LW |
1553 | RETURN; |
1554 | } | |
79072805 LW |
1555 | } |
1556 | ||
a0d0e21e | 1557 | PP(pp_i_le) |
79072805 | 1558 | { |
8ec5e241 | 1559 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1560 | { |
1561 | dPOPTOPiirl; | |
54310121 | 1562 | SETs(boolSV(left <= right)); |
a0d0e21e | 1563 | RETURN; |
85e6fe83 | 1564 | } |
79072805 LW |
1565 | } |
1566 | ||
a0d0e21e | 1567 | PP(pp_i_ge) |
79072805 | 1568 | { |
8ec5e241 | 1569 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1570 | { |
1571 | dPOPTOPiirl; | |
54310121 | 1572 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
1573 | RETURN; |
1574 | } | |
79072805 LW |
1575 | } |
1576 | ||
a0d0e21e | 1577 | PP(pp_i_eq) |
79072805 | 1578 | { |
8ec5e241 | 1579 | djSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
1580 | { |
1581 | dPOPTOPiirl; | |
54310121 | 1582 | SETs(boolSV(left == right)); |
a0d0e21e LW |
1583 | RETURN; |
1584 | } | |
79072805 LW |
1585 | } |
1586 | ||
a0d0e21e | 1587 | PP(pp_i_ne) |
79072805 | 1588 | { |
8ec5e241 | 1589 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1590 | { |
1591 | dPOPTOPiirl; | |
54310121 | 1592 | SETs(boolSV(left != right)); |
a0d0e21e LW |
1593 | RETURN; |
1594 | } | |
79072805 LW |
1595 | } |
1596 | ||
a0d0e21e | 1597 | PP(pp_i_ncmp) |
79072805 | 1598 | { |
8ec5e241 | 1599 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1600 | { |
1601 | dPOPTOPiirl; | |
1602 | I32 value; | |
79072805 | 1603 | |
a0d0e21e | 1604 | if (left > right) |
79072805 | 1605 | value = 1; |
a0d0e21e | 1606 | else if (left < right) |
79072805 | 1607 | value = -1; |
a0d0e21e | 1608 | else |
79072805 | 1609 | value = 0; |
a0d0e21e LW |
1610 | SETi(value); |
1611 | RETURN; | |
79072805 | 1612 | } |
85e6fe83 LW |
1613 | } |
1614 | ||
1615 | PP(pp_i_negate) | |
1616 | { | |
4e35701f | 1617 | djSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
1618 | SETi(-TOPi); |
1619 | RETURN; | |
1620 | } | |
1621 | ||
79072805 LW |
1622 | /* High falutin' math. */ |
1623 | ||
1624 | PP(pp_atan2) | |
1625 | { | |
8ec5e241 | 1626 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
1627 | { |
1628 | dPOPTOPnnrl; | |
65202027 | 1629 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
1630 | RETURN; |
1631 | } | |
79072805 LW |
1632 | } |
1633 | ||
1634 | PP(pp_sin) | |
1635 | { | |
4e35701f | 1636 | djSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 1637 | { |
65202027 | 1638 | NV value; |
a0d0e21e | 1639 | value = POPn; |
65202027 | 1640 | value = Perl_sin(value); |
a0d0e21e LW |
1641 | XPUSHn(value); |
1642 | RETURN; | |
1643 | } | |
79072805 LW |
1644 | } |
1645 | ||
1646 | PP(pp_cos) | |
1647 | { | |
4e35701f | 1648 | djSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 1649 | { |
65202027 | 1650 | NV value; |
a0d0e21e | 1651 | value = POPn; |
65202027 | 1652 | value = Perl_cos(value); |
a0d0e21e LW |
1653 | XPUSHn(value); |
1654 | RETURN; | |
1655 | } | |
79072805 LW |
1656 | } |
1657 | ||
56cb0a1c AD |
1658 | /* Support Configure command-line overrides for rand() functions. |
1659 | After 5.005, perhaps we should replace this by Configure support | |
1660 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
1661 | compatibility by calling rand() but allow the user to override it. | |
1662 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
1663 | */ | |
85ab1d1d JH |
1664 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
1665 | in addition to rand(). So the overrides should not be needed any more. | |
1666 | --Jarkko Hietaniemi 27 September 1998 | |
1667 | */ | |
1668 | ||
1669 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 1670 | extern double drand48 (void); |
56cb0a1c AD |
1671 | #endif |
1672 | ||
79072805 LW |
1673 | PP(pp_rand) |
1674 | { | |
4e35701f | 1675 | djSP; dTARGET; |
65202027 | 1676 | NV value; |
79072805 LW |
1677 | if (MAXARG < 1) |
1678 | value = 1.0; | |
1679 | else | |
1680 | value = POPn; | |
1681 | if (value == 0.0) | |
1682 | value = 1.0; | |
80252599 | 1683 | if (!PL_srand_called) { |
85ab1d1d | 1684 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 1685 | PL_srand_called = TRUE; |
93dc8474 | 1686 | } |
85ab1d1d | 1687 | value *= Drand01(); |
79072805 LW |
1688 | XPUSHn(value); |
1689 | RETURN; | |
1690 | } | |
1691 | ||
1692 | PP(pp_srand) | |
1693 | { | |
4e35701f | 1694 | djSP; |
93dc8474 CS |
1695 | UV anum; |
1696 | if (MAXARG < 1) | |
1697 | anum = seed(); | |
79072805 | 1698 | else |
93dc8474 | 1699 | anum = POPu; |
85ab1d1d | 1700 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 1701 | PL_srand_called = TRUE; |
79072805 LW |
1702 | EXTEND(SP, 1); |
1703 | RETPUSHYES; | |
1704 | } | |
1705 | ||
76e3520e | 1706 | STATIC U32 |
cea2e8a9 | 1707 | S_seed(pTHX) |
93dc8474 | 1708 | { |
54310121 | 1709 | /* |
1710 | * This is really just a quick hack which grabs various garbage | |
1711 | * values. It really should be a real hash algorithm which | |
1712 | * spreads the effect of every input bit onto every output bit, | |
85ab1d1d | 1713 | * if someone who knows about such things would bother to write it. |
54310121 | 1714 | * Might be a good idea to add that function to CORE as well. |
85ab1d1d | 1715 | * No numbers below come from careful analysis or anything here, |
54310121 | 1716 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
1717 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
1718 | * probably be bigger too. | |
1719 | */ | |
1720 | #if RANDBITS > 16 | |
1721 | # define SEED_C1 1000003 | |
1722 | #define SEED_C4 73819 | |
1723 | #else | |
1724 | # define SEED_C1 25747 | |
1725 | #define SEED_C4 20639 | |
1726 | #endif | |
1727 | #define SEED_C2 3 | |
1728 | #define SEED_C3 269 | |
1729 | #define SEED_C5 26107 | |
1730 | ||
e858de61 | 1731 | dTHR; |
73c60299 RS |
1732 | #ifndef PERL_NO_DEV_RANDOM |
1733 | int fd; | |
1734 | #endif | |
93dc8474 | 1735 | U32 u; |
f12c7020 | 1736 | #ifdef VMS |
1737 | # include <starlet.h> | |
43c92808 HF |
1738 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
1739 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 | 1740 | unsigned int when[2]; |
73c60299 RS |
1741 | #else |
1742 | # ifdef HAS_GETTIMEOFDAY | |
1743 | struct timeval when; | |
1744 | # else | |
1745 | Time_t when; | |
1746 | # endif | |
1747 | #endif | |
1748 | ||
1749 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
1750 | #ifndef PERL_NO_DEV_RANDOM | |
1751 | #ifndef PERL_RANDOM_DEVICE | |
1752 | /* /dev/random isn't used by default because reads from it will block | |
1753 | * if there isn't enough entropy available. You can compile with | |
1754 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
1755 | * is enough real entropy to fill the seed. */ | |
1756 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
1757 | #endif | |
1758 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
1759 | if (fd != -1) { | |
1760 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
1761 | u = 0; | |
1762 | PerlLIO_close(fd); | |
1763 | if (u) | |
1764 | return u; | |
1765 | } | |
1766 | #endif | |
1767 | ||
1768 | #ifdef VMS | |
93dc8474 | 1769 | _ckvmssts(sys$gettim(when)); |
54310121 | 1770 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 1771 | #else |
5f05dabc | 1772 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 | 1773 | gettimeofday(&when,(struct timezone *) 0); |
54310121 | 1774 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 1775 | # else |
93dc8474 | 1776 | (void)time(&when); |
54310121 | 1777 | u = (U32)SEED_C1 * when; |
f12c7020 | 1778 | # endif |
1779 | #endif | |
54310121 | 1780 | u += SEED_C3 * (U32)getpid(); |
42718184 | 1781 | u += SEED_C4 * (U32)(UV)PTR_CAST PL_stack_sp; |
54310121 | 1782 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
42718184 | 1783 | u += SEED_C5 * (U32)(UV)PTR_CAST &when; |
f12c7020 | 1784 | #endif |
93dc8474 | 1785 | return u; |
79072805 LW |
1786 | } |
1787 | ||
1788 | PP(pp_exp) | |
1789 | { | |
4e35701f | 1790 | djSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 1791 | { |
65202027 | 1792 | NV value; |
a0d0e21e | 1793 | value = POPn; |
65202027 | 1794 | value = Perl_exp(value); |
a0d0e21e LW |
1795 | XPUSHn(value); |
1796 | RETURN; | |
1797 | } | |
79072805 LW |
1798 | } |
1799 | ||
1800 | PP(pp_log) | |
1801 | { | |
4e35701f | 1802 | djSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 1803 | { |
65202027 | 1804 | NV value; |
a0d0e21e | 1805 | value = POPn; |
bbce6d69 | 1806 | if (value <= 0.0) { |
097ee67d | 1807 | RESTORE_NUMERIC_STANDARD(); |
cea2e8a9 | 1808 | DIE(aTHX_ "Can't take log of %g", value); |
bbce6d69 | 1809 | } |
65202027 | 1810 | value = Perl_log(value); |
a0d0e21e LW |
1811 | XPUSHn(value); |
1812 | RETURN; | |
1813 | } | |
79072805 LW |
1814 | } |
1815 | ||
1816 | PP(pp_sqrt) | |
1817 | { | |
4e35701f | 1818 | djSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 1819 | { |
65202027 | 1820 | NV value; |
a0d0e21e | 1821 | value = POPn; |
bbce6d69 | 1822 | if (value < 0.0) { |
097ee67d | 1823 | RESTORE_NUMERIC_STANDARD(); |
cea2e8a9 | 1824 | DIE(aTHX_ "Can't take sqrt of %g", value); |
bbce6d69 | 1825 | } |
65202027 | 1826 | value = Perl_sqrt(value); |
a0d0e21e LW |
1827 | XPUSHn(value); |
1828 | RETURN; | |
1829 | } | |
79072805 LW |
1830 | } |
1831 | ||
1832 | PP(pp_int) | |
1833 | { | |
4e35701f | 1834 | djSP; dTARGET; |
774d564b | 1835 | { |
65202027 | 1836 | NV value = TOPn; |
774d564b | 1837 | IV iv; |
1838 | ||
1839 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) { | |
1840 | iv = SvIVX(TOPs); | |
1841 | SETi(iv); | |
1842 | } | |
1843 | else { | |
1844 | if (value >= 0.0) | |
65202027 | 1845 | (void)Perl_modf(value, &value); |
774d564b | 1846 | else { |
65202027 | 1847 | (void)Perl_modf(-value, &value); |
774d564b | 1848 | value = -value; |
1849 | } | |
1850 | iv = I_V(value); | |
1851 | if (iv == value) | |
1852 | SETi(iv); | |
1853 | else | |
1854 | SETn(value); | |
1855 | } | |
79072805 | 1856 | } |
79072805 LW |
1857 | RETURN; |
1858 | } | |
1859 | ||
463ee0b2 LW |
1860 | PP(pp_abs) |
1861 | { | |
4e35701f | 1862 | djSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 1863 | { |
65202027 | 1864 | NV value = TOPn; |
774d564b | 1865 | IV iv; |
463ee0b2 | 1866 | |
774d564b | 1867 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) && |
1868 | (iv = SvIVX(TOPs)) != IV_MIN) { | |
1869 | if (iv < 0) | |
1870 | iv = -iv; | |
1871 | SETi(iv); | |
1872 | } | |
1873 | else { | |
1874 | if (value < 0.0) | |
1875 | value = -value; | |
1876 | SETn(value); | |
1877 | } | |
a0d0e21e | 1878 | } |
774d564b | 1879 | RETURN; |
463ee0b2 LW |
1880 | } |
1881 | ||
79072805 LW |
1882 | PP(pp_hex) |
1883 | { | |
4e35701f | 1884 | djSP; dTARGET; |
79072805 LW |
1885 | char *tmps; |
1886 | I32 argtype; | |
2d8e6c8d | 1887 | STRLEN n_a; |
79072805 | 1888 | |
2d8e6c8d | 1889 | tmps = POPpx; |
9e24b6e2 | 1890 | XPUSHn(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
1891 | RETURN; |
1892 | } | |
1893 | ||
1894 | PP(pp_oct) | |
1895 | { | |
4e35701f | 1896 | djSP; dTARGET; |
9e24b6e2 | 1897 | NV value; |
79072805 LW |
1898 | I32 argtype; |
1899 | char *tmps; | |
2d8e6c8d | 1900 | STRLEN n_a; |
79072805 | 1901 | |
2d8e6c8d | 1902 | tmps = POPpx; |
464e2e8a | 1903 | while (*tmps && isSPACE(*tmps)) |
1904 | tmps++; | |
9e24b6e2 JH |
1905 | if (*tmps == '0') |
1906 | tmps++; | |
1907 | if (*tmps == 'x') | |
1908 | value = scan_hex(++tmps, 99, &argtype); | |
1909 | else if (*tmps == 'b') | |
1910 | value = scan_bin(++tmps, 99, &argtype); | |
464e2e8a | 1911 | else |
9e24b6e2 JH |
1912 | value = scan_oct(tmps, 99, &argtype); |
1913 | XPUSHn(value); | |
79072805 LW |
1914 | RETURN; |
1915 | } | |
1916 | ||
1917 | /* String stuff. */ | |
1918 | ||
1919 | PP(pp_length) | |
1920 | { | |
4e35701f | 1921 | djSP; dTARGET; |
a0ed51b3 LW |
1922 | |
1923 | if (IN_UTF8) { | |
1924 | SETi( sv_len_utf8(TOPs) ); | |
1925 | RETURN; | |
1926 | } | |
1927 | ||
a0d0e21e | 1928 | SETi( sv_len(TOPs) ); |
79072805 LW |
1929 | RETURN; |
1930 | } | |
1931 | ||
1932 | PP(pp_substr) | |
1933 | { | |
4e35701f | 1934 | djSP; dTARGET; |
79072805 LW |
1935 | SV *sv; |
1936 | I32 len; | |
463ee0b2 | 1937 | STRLEN curlen; |
a0ed51b3 | 1938 | STRLEN utfcurlen; |
79072805 LW |
1939 | I32 pos; |
1940 | I32 rem; | |
84902520 | 1941 | I32 fail; |
533c011a | 1942 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
79072805 | 1943 | char *tmps; |
3280af22 | 1944 | I32 arybase = PL_curcop->cop_arybase; |
7b8d334a GS |
1945 | char *repl = 0; |
1946 | STRLEN repl_len; | |
79072805 | 1947 | |
20408e3c | 1948 | SvTAINTED_off(TARG); /* decontaminate */ |
5d82c453 GA |
1949 | if (MAXARG > 2) { |
1950 | if (MAXARG > 3) { | |
1951 | sv = POPs; | |
1952 | repl = SvPV(sv, repl_len); | |
7b8d334a | 1953 | } |
79072805 | 1954 | len = POPi; |
5d82c453 | 1955 | } |
84902520 | 1956 | pos = POPi; |
79072805 | 1957 | sv = POPs; |
849ca7ee | 1958 | PUTBACK; |
a0d0e21e | 1959 | tmps = SvPV(sv, curlen); |
a0ed51b3 LW |
1960 | if (IN_UTF8) { |
1961 | utfcurlen = sv_len_utf8(sv); | |
1962 | if (utfcurlen == curlen) | |
1963 | utfcurlen = 0; | |
1964 | else | |
1965 | curlen = utfcurlen; | |
1966 | } | |
d1c2b58a LW |
1967 | else |
1968 | utfcurlen = 0; | |
a0ed51b3 | 1969 | |
84902520 TB |
1970 | if (pos >= arybase) { |
1971 | pos -= arybase; | |
1972 | rem = curlen-pos; | |
1973 | fail = rem; | |
5d82c453 GA |
1974 | if (MAXARG > 2) { |
1975 | if (len < 0) { | |
1976 | rem += len; | |
1977 | if (rem < 0) | |
1978 | rem = 0; | |
1979 | } | |
1980 | else if (rem > len) | |
1981 | rem = len; | |
1982 | } | |
68dc0745 | 1983 | } |
84902520 | 1984 | else { |
5d82c453 GA |
1985 | pos += curlen; |
1986 | if (MAXARG < 3) | |
1987 | rem = curlen; | |
1988 | else if (len >= 0) { | |
1989 | rem = pos+len; | |
1990 | if (rem > (I32)curlen) | |
1991 | rem = curlen; | |
1992 | } | |
1993 | else { | |
1994 | rem = curlen+len; | |
1995 | if (rem < pos) | |
1996 | rem = pos; | |
1997 | } | |
1998 | if (pos < 0) | |
1999 | pos = 0; | |
2000 | fail = rem; | |
2001 | rem -= pos; | |
84902520 TB |
2002 | } |
2003 | if (fail < 0) { | |
599cee73 | 2004 | if (ckWARN(WARN_SUBSTR) || lvalue || repl) |
cea2e8a9 | 2005 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
2304df62 AD |
2006 | RETPUSHUNDEF; |
2007 | } | |
79072805 | 2008 | else { |
a0ed51b3 LW |
2009 | if (utfcurlen) |
2010 | sv_pos_u2b(sv, &pos, &rem); | |
79072805 | 2011 | tmps += pos; |
79072805 LW |
2012 | sv_setpvn(TARG, tmps, rem); |
2013 | if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 2014 | if (!SvGMAGICAL(sv)) { |
2015 | if (SvROK(sv)) { | |
2d8e6c8d GS |
2016 | STRLEN n_a; |
2017 | SvPV_force(sv,n_a); | |
599cee73 | 2018 | if (ckWARN(WARN_SUBSTR)) |
cea2e8a9 | 2019 | Perl_warner(aTHX_ WARN_SUBSTR, |
599cee73 | 2020 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 2021 | } |
2022 | if (SvOK(sv)) /* is it defined ? */ | |
2023 | (void)SvPOK_only(sv); | |
2024 | else | |
2025 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
2026 | } | |
5f05dabc | 2027 | |
a0d0e21e LW |
2028 | if (SvTYPE(TARG) < SVt_PVLV) { |
2029 | sv_upgrade(TARG, SVt_PVLV); | |
2030 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 2031 | } |
a0d0e21e | 2032 | |
5f05dabc | 2033 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
2034 | if (LvTARG(TARG) != sv) { |
2035 | if (LvTARG(TARG)) | |
2036 | SvREFCNT_dec(LvTARG(TARG)); | |
2037 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
2038 | } | |
a0d0e21e | 2039 | LvTARGOFF(TARG) = pos; |
8ec5e241 | 2040 | LvTARGLEN(TARG) = rem; |
79072805 | 2041 | } |
5d82c453 | 2042 | else if (repl) |
7b8d334a | 2043 | sv_insert(sv, pos, rem, repl, repl_len); |
79072805 | 2044 | } |
849ca7ee | 2045 | SPAGAIN; |
79072805 LW |
2046 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
2047 | RETURN; | |
2048 | } | |
2049 | ||
2050 | PP(pp_vec) | |
2051 | { | |
4e35701f | 2052 | djSP; dTARGET; |
79072805 LW |
2053 | register I32 size = POPi; |
2054 | register I32 offset = POPi; | |
2055 | register SV *src = POPs; | |
533c011a | 2056 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
a0d0e21e | 2057 | |
81e118e0 JH |
2058 | SvTAINTED_off(TARG); /* decontaminate */ |
2059 | if (lvalue) { /* it's an lvalue! */ | |
2060 | if (SvTYPE(TARG) < SVt_PVLV) { | |
2061 | sv_upgrade(TARG, SVt_PVLV); | |
2062 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
79072805 | 2063 | } |
81e118e0 JH |
2064 | LvTYPE(TARG) = 'v'; |
2065 | if (LvTARG(TARG) != src) { | |
2066 | if (LvTARG(TARG)) | |
2067 | SvREFCNT_dec(LvTARG(TARG)); | |
2068 | LvTARG(TARG) = SvREFCNT_inc(src); | |
79072805 | 2069 | } |
81e118e0 JH |
2070 | LvTARGOFF(TARG) = offset; |
2071 | LvTARGLEN(TARG) = size; | |
79072805 LW |
2072 | } |
2073 | ||
81e118e0 | 2074 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
2075 | PUSHs(TARG); |
2076 | RETURN; | |
2077 | } | |
2078 | ||
2079 | PP(pp_index) | |
2080 | { | |
4e35701f | 2081 | djSP; dTARGET; |
79072805 LW |
2082 | SV *big; |
2083 | SV *little; | |
2084 | I32 offset; | |
2085 | I32 retval; | |
2086 | char *tmps; | |
2087 | char *tmps2; | |
463ee0b2 | 2088 | STRLEN biglen; |
3280af22 | 2089 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
2090 | |
2091 | if (MAXARG < 3) | |
2092 | offset = 0; | |
2093 | else | |
2094 | offset = POPi - arybase; | |
2095 | little = POPs; | |
2096 | big = POPs; | |
463ee0b2 | 2097 | tmps = SvPV(big, biglen); |
a0ed51b3 LW |
2098 | if (IN_UTF8 && offset > 0) |
2099 | sv_pos_u2b(big, &offset, 0); | |
79072805 LW |
2100 | if (offset < 0) |
2101 | offset = 0; | |
93a17b20 LW |
2102 | else if (offset > biglen) |
2103 | offset = biglen; | |
79072805 | 2104 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 2105 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 2106 | retval = -1; |
79072805 | 2107 | else |
a0ed51b3 LW |
2108 | retval = tmps2 - tmps; |
2109 | if (IN_UTF8 && retval > 0) | |
2110 | sv_pos_b2u(big, &retval); | |
2111 | PUSHi(retval + arybase); | |
79072805 LW |
2112 | RETURN; |
2113 | } | |
2114 | ||
2115 | PP(pp_rindex) | |
2116 | { | |
4e35701f | 2117 | djSP; dTARGET; |
79072805 LW |
2118 | SV *big; |
2119 | SV *little; | |
463ee0b2 LW |
2120 | STRLEN blen; |
2121 | STRLEN llen; | |
79072805 LW |
2122 | I32 offset; |
2123 | I32 retval; | |
2124 | char *tmps; | |
2125 | char *tmps2; | |
3280af22 | 2126 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 2127 | |
a0d0e21e | 2128 | if (MAXARG >= 3) |
a0ed51b3 | 2129 | offset = POPi; |
79072805 LW |
2130 | little = POPs; |
2131 | big = POPs; | |
463ee0b2 LW |
2132 | tmps2 = SvPV(little, llen); |
2133 | tmps = SvPV(big, blen); | |
79072805 | 2134 | if (MAXARG < 3) |
463ee0b2 | 2135 | offset = blen; |
a0ed51b3 LW |
2136 | else { |
2137 | if (IN_UTF8 && offset > 0) | |
2138 | sv_pos_u2b(big, &offset, 0); | |
2139 | offset = offset - arybase + llen; | |
2140 | } | |
79072805 LW |
2141 | if (offset < 0) |
2142 | offset = 0; | |
463ee0b2 LW |
2143 | else if (offset > blen) |
2144 | offset = blen; | |
79072805 | 2145 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2146 | tmps2, tmps2 + llen))) |
a0ed51b3 | 2147 | retval = -1; |
79072805 | 2148 | else |
a0ed51b3 LW |
2149 | retval = tmps2 - tmps; |
2150 | if (IN_UTF8 && retval > 0) | |
2151 | sv_pos_b2u(big, &retval); | |
2152 | PUSHi(retval + arybase); | |
79072805 LW |
2153 | RETURN; |
2154 | } | |
2155 | ||
2156 | PP(pp_sprintf) | |
2157 | { | |
4e35701f | 2158 | djSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 2159 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2160 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2161 | SP = ORIGMARK; |
2162 | PUSHTARG; | |
2163 | RETURN; | |
2164 | } | |
2165 | ||
79072805 LW |
2166 | PP(pp_ord) |
2167 | { | |
4e35701f | 2168 | djSP; dTARGET; |
bdeef251 | 2169 | UV value; |
2d8e6c8d GS |
2170 | STRLEN n_a; |
2171 | U8 *tmps = (U8*)POPpx; | |
a0ed51b3 | 2172 | I32 retlen; |
79072805 | 2173 | |
a0ed51b3 | 2174 | if (IN_UTF8 && (*tmps & 0x80)) |
bdeef251 | 2175 | value = utf8_to_uv(tmps, &retlen); |
a0ed51b3 | 2176 | else |
bdeef251 GA |
2177 | value = (UV)(*tmps & 255); |
2178 | XPUSHu(value); | |
79072805 LW |
2179 | RETURN; |
2180 | } | |
2181 | ||
463ee0b2 LW |
2182 | PP(pp_chr) |
2183 | { | |
4e35701f | 2184 | djSP; dTARGET; |
463ee0b2 | 2185 | char *tmps; |
3b9be786 | 2186 | U32 value = POPu; |
463ee0b2 | 2187 | |
748a9306 | 2188 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 LW |
2189 | |
2190 | if (IN_UTF8 && value >= 128) { | |
2191 | SvGROW(TARG,8); | |
2192 | tmps = SvPVX(TARG); | |
dfe13c55 | 2193 | tmps = (char*)uv_to_utf8((U8*)tmps, (UV)value); |
a0ed51b3 LW |
2194 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
2195 | *tmps = '\0'; | |
2196 | (void)SvPOK_only(TARG); | |
2197 | XPUSHs(TARG); | |
2198 | RETURN; | |
2199 | } | |
2200 | ||
748a9306 | 2201 | SvGROW(TARG,2); |
463ee0b2 LW |
2202 | SvCUR_set(TARG, 1); |
2203 | tmps = SvPVX(TARG); | |
a0ed51b3 | 2204 | *tmps++ = value; |
748a9306 | 2205 | *tmps = '\0'; |
a0d0e21e | 2206 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
2207 | XPUSHs(TARG); |
2208 | RETURN; | |
2209 | } | |
2210 | ||
79072805 LW |
2211 | PP(pp_crypt) |
2212 | { | |
4e35701f | 2213 | djSP; dTARGET; dPOPTOPssrl; |
2d8e6c8d | 2214 | STRLEN n_a; |
79072805 | 2215 | #ifdef HAS_CRYPT |
2d8e6c8d | 2216 | char *tmps = SvPV(left, n_a); |
79072805 | 2217 | #ifdef FCRYPT |
2d8e6c8d | 2218 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
79072805 | 2219 | #else |
2d8e6c8d | 2220 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
79072805 LW |
2221 | #endif |
2222 | #else | |
cea2e8a9 | 2223 | DIE(aTHX_ |
79072805 LW |
2224 | "The crypt() function is unimplemented due to excessive paranoia."); |
2225 | #endif | |
2226 | SETs(TARG); | |
2227 | RETURN; | |
2228 | } | |
2229 | ||
2230 | PP(pp_ucfirst) | |
2231 | { | |
4e35701f | 2232 | djSP; |
79072805 | 2233 | SV *sv = TOPs; |
a0ed51b3 LW |
2234 | register U8 *s; |
2235 | STRLEN slen; | |
2236 | ||
dfe13c55 | 2237 | if (IN_UTF8 && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 LW |
2238 | I32 ulen; |
2239 | U8 tmpbuf[10]; | |
2240 | U8 *tend; | |
2241 | UV uv = utf8_to_uv(s, &ulen); | |
2242 | ||
2243 | if (PL_op->op_private & OPpLOCALE) { | |
2244 | TAINT; | |
2245 | SvTAINTED_on(sv); | |
2246 | uv = toTITLE_LC_uni(uv); | |
2247 | } | |
2248 | else | |
2249 | uv = toTITLE_utf8(s); | |
2250 | ||
2251 | tend = uv_to_utf8(tmpbuf, uv); | |
2252 | ||
2253 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen) { | |
2254 | dTARGET; | |
dfe13c55 GS |
2255 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2256 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
a0ed51b3 LW |
2257 | SETs(TARG); |
2258 | } | |
2259 | else { | |
dfe13c55 | 2260 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2261 | Copy(tmpbuf, s, ulen, U8); |
2262 | } | |
a0ed51b3 | 2263 | } |
626727d5 | 2264 | else { |
31351b04 JS |
2265 | if (!SvPADTMP(sv)) { |
2266 | dTARGET; | |
2267 | sv_setsv(TARG, sv); | |
2268 | sv = TARG; | |
2269 | SETs(sv); | |
2270 | } | |
2271 | s = (U8*)SvPV_force(sv, slen); | |
2272 | if (*s) { | |
2273 | if (PL_op->op_private & OPpLOCALE) { | |
2274 | TAINT; | |
2275 | SvTAINTED_on(sv); | |
2276 | *s = toUPPER_LC(*s); | |
2277 | } | |
2278 | else | |
2279 | *s = toUPPER(*s); | |
bbce6d69 | 2280 | } |
bbce6d69 | 2281 | } |
31351b04 JS |
2282 | if (SvSMAGICAL(sv)) |
2283 | mg_set(sv); | |
79072805 LW |
2284 | RETURN; |
2285 | } | |
2286 | ||
2287 | PP(pp_lcfirst) | |
2288 | { | |
4e35701f | 2289 | djSP; |
79072805 | 2290 | SV *sv = TOPs; |
a0ed51b3 LW |
2291 | register U8 *s; |
2292 | STRLEN slen; | |
2293 | ||
dfe13c55 | 2294 | if (IN_UTF8 && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 LW |
2295 | I32 ulen; |
2296 | U8 tmpbuf[10]; | |
2297 | U8 *tend; | |
2298 | UV uv = utf8_to_uv(s, &ulen); | |
2299 | ||
2300 | if (PL_op->op_private & OPpLOCALE) { | |
2301 | TAINT; | |
2302 | SvTAINTED_on(sv); | |
2303 | uv = toLOWER_LC_uni(uv); | |
2304 | } | |
2305 | else | |
2306 | uv = toLOWER_utf8(s); | |
2307 | ||
2308 | tend = uv_to_utf8(tmpbuf, uv); | |
2309 | ||
2310 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen) { | |
2311 | dTARGET; | |
dfe13c55 GS |
2312 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2313 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
a0ed51b3 LW |
2314 | SETs(TARG); |
2315 | } | |
2316 | else { | |
dfe13c55 | 2317 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2318 | Copy(tmpbuf, s, ulen, U8); |
2319 | } | |
a0ed51b3 | 2320 | } |
626727d5 | 2321 | else { |
31351b04 JS |
2322 | if (!SvPADTMP(sv)) { |
2323 | dTARGET; | |
2324 | sv_setsv(TARG, sv); | |
2325 | sv = TARG; | |
2326 | SETs(sv); | |
2327 | } | |
2328 | s = (U8*)SvPV_force(sv, slen); | |
2329 | if (*s) { | |
2330 | if (PL_op->op_private & OPpLOCALE) { | |
2331 | TAINT; | |
2332 | SvTAINTED_on(sv); | |
2333 | *s = toLOWER_LC(*s); | |
2334 | } | |
2335 | else | |
2336 | *s = toLOWER(*s); | |
bbce6d69 | 2337 | } |
31351b04 | 2338 | SETs(sv); |
bbce6d69 | 2339 | } |
31351b04 JS |
2340 | if (SvSMAGICAL(sv)) |
2341 | mg_set(sv); | |
79072805 LW |
2342 | RETURN; |
2343 | } | |
2344 | ||
2345 | PP(pp_uc) | |
2346 | { | |
4e35701f | 2347 | djSP; |
79072805 | 2348 | SV *sv = TOPs; |
a0ed51b3 | 2349 | register U8 *s; |
463ee0b2 | 2350 | STRLEN len; |
79072805 | 2351 | |
a0ed51b3 LW |
2352 | if (IN_UTF8) { |
2353 | dTARGET; | |
2354 | I32 ulen; | |
2355 | register U8 *d; | |
2356 | U8 *send; | |
2357 | ||
dfe13c55 | 2358 | s = (U8*)SvPV(sv,len); |
a5a20234 LW |
2359 | if (!len) { |
2360 | sv_setpvn(TARG, "", 0); | |
2361 | SETs(TARG); | |
a0ed51b3 LW |
2362 | } |
2363 | else { | |
31351b04 JS |
2364 | (void)SvUPGRADE(TARG, SVt_PV); |
2365 | SvGROW(TARG, (len * 2) + 1); | |
2366 | (void)SvPOK_only(TARG); | |
2367 | d = (U8*)SvPVX(TARG); | |
2368 | send = s + len; | |
2369 | if (PL_op->op_private & OPpLOCALE) { | |
2370 | TAINT; | |
2371 | SvTAINTED_on(TARG); | |
2372 | while (s < send) { | |
2373 | d = uv_to_utf8(d, toUPPER_LC_uni( utf8_to_uv(s, &ulen))); | |
2374 | s += ulen; | |
2375 | } | |
a0ed51b3 | 2376 | } |
31351b04 JS |
2377 | else { |
2378 | while (s < send) { | |
2379 | d = uv_to_utf8(d, toUPPER_utf8( s )); | |
2380 | s += UTF8SKIP(s); | |
2381 | } | |
a0ed51b3 | 2382 | } |
31351b04 JS |
2383 | *d = '\0'; |
2384 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); | |
2385 | SETs(TARG); | |
a0ed51b3 | 2386 | } |
a0ed51b3 | 2387 | } |
626727d5 | 2388 | else { |
31351b04 JS |
2389 | if (!SvPADTMP(sv)) { |
2390 | dTARGET; | |
2391 | sv_setsv(TARG, sv); | |
2392 | sv = TARG; | |
2393 | SETs(sv); | |
2394 | } | |
2395 | s = (U8*)SvPV_force(sv, len); | |
2396 | if (len) { | |
2397 | register U8 *send = s + len; | |
2398 | ||
2399 | if (PL_op->op_private & OPpLOCALE) { | |
2400 | TAINT; | |
2401 | SvTAINTED_on(sv); | |
2402 | for (; s < send; s++) | |
2403 | *s = toUPPER_LC(*s); | |
2404 | } | |
2405 | else { | |
2406 | for (; s < send; s++) | |
2407 | *s = toUPPER(*s); | |
2408 | } | |
bbce6d69 | 2409 | } |
79072805 | 2410 | } |
31351b04 JS |
2411 | if (SvSMAGICAL(sv)) |
2412 | mg_set(sv); | |
79072805 LW |
2413 | RETURN; |
2414 | } | |
2415 | ||
2416 | PP(pp_lc) | |
2417 | { | |
4e35701f | 2418 | djSP; |
79072805 | 2419 | SV *sv = TOPs; |
a0ed51b3 | 2420 | register U8 *s; |
463ee0b2 | 2421 | STRLEN len; |
79072805 | 2422 | |
a0ed51b3 LW |
2423 | if (IN_UTF8) { |
2424 | dTARGET; | |
2425 | I32 ulen; | |
2426 | register U8 *d; | |
2427 | U8 *send; | |
2428 | ||
dfe13c55 | 2429 | s = (U8*)SvPV(sv,len); |
a5a20234 LW |
2430 | if (!len) { |
2431 | sv_setpvn(TARG, "", 0); | |
2432 | SETs(TARG); | |
a0ed51b3 LW |
2433 | } |
2434 | else { | |
31351b04 JS |
2435 | (void)SvUPGRADE(TARG, SVt_PV); |
2436 | SvGROW(TARG, (len * 2) + 1); | |
2437 | (void)SvPOK_only(TARG); | |
2438 | d = (U8*)SvPVX(TARG); | |
2439 | send = s + len; | |
2440 | if (PL_op->op_private & OPpLOCALE) { | |
2441 | TAINT; | |
2442 | SvTAINTED_on(TARG); | |
2443 | while (s < send) { | |
2444 | d = uv_to_utf8(d, toLOWER_LC_uni( utf8_to_uv(s, &ulen))); | |
2445 | s += ulen; | |
2446 | } | |
a0ed51b3 | 2447 | } |
31351b04 JS |
2448 | else { |
2449 | while (s < send) { | |
2450 | d = uv_to_utf8(d, toLOWER_utf8(s)); | |
2451 | s += UTF8SKIP(s); | |
2452 | } | |
a0ed51b3 | 2453 | } |
31351b04 JS |
2454 | *d = '\0'; |
2455 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); | |
2456 | SETs(TARG); | |
a0ed51b3 | 2457 | } |
79072805 | 2458 | } |
626727d5 | 2459 | else { |
31351b04 JS |
2460 | if (!SvPADTMP(sv)) { |
2461 | dTARGET; | |
2462 | sv_setsv(TARG, sv); | |
2463 | sv = TARG; | |
2464 | SETs(sv); | |
a0ed51b3 | 2465 | } |
bbce6d69 | 2466 | |
31351b04 JS |
2467 | s = (U8*)SvPV_force(sv, len); |
2468 | if (len) { | |
2469 | register U8 *send = s + len; | |
bbce6d69 | 2470 | |
31351b04 JS |
2471 | if (PL_op->op_private & OPpLOCALE) { |
2472 | TAINT; | |
2473 | SvTAINTED_on(sv); | |
2474 | for (; s < send; s++) | |
2475 | *s = toLOWER_LC(*s); | |
2476 | } | |
2477 | else { | |
2478 | for (; s < send; s++) | |
2479 | *s = toLOWER(*s); | |
2480 | } | |
bbce6d69 | 2481 | } |
79072805 | 2482 | } |
31351b04 JS |
2483 | if (SvSMAGICAL(sv)) |
2484 | mg_set(sv); | |
79072805 LW |
2485 | RETURN; |
2486 | } | |
2487 | ||
a0d0e21e | 2488 | PP(pp_quotemeta) |
79072805 | 2489 | { |
4e35701f | 2490 | djSP; dTARGET; |
a0d0e21e LW |
2491 | SV *sv = TOPs; |
2492 | STRLEN len; | |
2493 | register char *s = SvPV(sv,len); | |
2494 | register char *d; | |
79072805 | 2495 | |
a0d0e21e LW |
2496 | if (len) { |
2497 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 2498 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 2499 | d = SvPVX(TARG); |
0dd2cdef LW |
2500 | if (IN_UTF8) { |
2501 | while (len) { | |
2502 | if (*s & 0x80) { | |
2503 | STRLEN ulen = UTF8SKIP(s); | |
2504 | if (ulen > len) | |
2505 | ulen = len; | |
2506 | len -= ulen; | |
2507 | while (ulen--) | |
2508 | *d++ = *s++; | |
2509 | } | |
2510 | else { | |
2511 | if (!isALNUM(*s)) | |
2512 | *d++ = '\\'; | |
2513 | *d++ = *s++; | |
2514 | len--; | |
2515 | } | |
2516 | } | |
2517 | } | |
2518 | else { | |
2519 | while (len--) { | |
2520 | if (!isALNUM(*s)) | |
2521 | *d++ = '\\'; | |
2522 | *d++ = *s++; | |
2523 | } | |
79072805 | 2524 | } |
a0d0e21e LW |
2525 | *d = '\0'; |
2526 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
2527 | (void)SvPOK_only(TARG); | |
79072805 | 2528 | } |
a0d0e21e LW |
2529 | else |
2530 | sv_setpvn(TARG, s, len); | |
2531 | SETs(TARG); | |
31351b04 JS |
2532 | if (SvSMAGICAL(TARG)) |
2533 | mg_set(TARG); | |
79072805 LW |
2534 | RETURN; |
2535 | } | |
2536 | ||
a0d0e21e | 2537 | /* Arrays. */ |
79072805 | 2538 | |
a0d0e21e | 2539 | PP(pp_aslice) |
79072805 | 2540 | { |
4e35701f | 2541 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2542 | register SV** svp; |
2543 | register AV* av = (AV*)POPs; | |
533c011a | 2544 | register I32 lval = PL_op->op_flags & OPf_MOD; |
3280af22 | 2545 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 2546 | I32 elem; |
79072805 | 2547 | |
a0d0e21e | 2548 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 2549 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 2550 | I32 max = -1; |
924508f0 | 2551 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
2552 | elem = SvIVx(*svp); |
2553 | if (elem > max) | |
2554 | max = elem; | |
2555 | } | |
2556 | if (max > AvMAX(av)) | |
2557 | av_extend(av, max); | |
2558 | } | |
a0d0e21e | 2559 | while (++MARK <= SP) { |
748a9306 | 2560 | elem = SvIVx(*MARK); |
a0d0e21e | 2561 | |
748a9306 LW |
2562 | if (elem > 0) |
2563 | elem -= arybase; | |
a0d0e21e LW |
2564 | svp = av_fetch(av, elem, lval); |
2565 | if (lval) { | |
3280af22 | 2566 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 2567 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 2568 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 2569 | save_aelem(av, elem, svp); |
79072805 | 2570 | } |
3280af22 | 2571 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2572 | } |
2573 | } | |
748a9306 | 2574 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
2575 | MARK = ORIGMARK; |
2576 | *++MARK = *SP; | |
2577 | SP = MARK; | |
2578 | } | |
79072805 LW |
2579 | RETURN; |
2580 | } | |
2581 | ||
2582 | /* Associative arrays. */ | |
2583 | ||
2584 | PP(pp_each) | |
2585 | { | |
59af0135 | 2586 | djSP; |
79072805 | 2587 | HV *hash = (HV*)POPs; |
c07a80fd | 2588 | HE *entry; |
54310121 | 2589 | I32 gimme = GIMME_V; |
c750a3ec | 2590 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 2591 | |
c07a80fd | 2592 | PUTBACK; |
c750a3ec MB |
2593 | /* might clobber stack_sp */ |
2594 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 2595 | SPAGAIN; |
79072805 | 2596 | |
79072805 LW |
2597 | EXTEND(SP, 2); |
2598 | if (entry) { | |
54310121 | 2599 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
2600 | if (gimme == G_ARRAY) { | |
59af0135 | 2601 | SV *val; |
c07a80fd | 2602 | PUTBACK; |
c750a3ec | 2603 | /* might clobber stack_sp */ |
59af0135 GS |
2604 | val = realhv ? |
2605 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); | |
c07a80fd | 2606 | SPAGAIN; |
59af0135 | 2607 | PUSHs(val); |
79072805 | 2608 | } |
79072805 | 2609 | } |
54310121 | 2610 | else if (gimme == G_SCALAR) |
79072805 LW |
2611 | RETPUSHUNDEF; |
2612 | ||
2613 | RETURN; | |
2614 | } | |
2615 | ||
2616 | PP(pp_values) | |
2617 | { | |
cea2e8a9 | 2618 | return do_kv(); |
79072805 LW |
2619 | } |
2620 | ||
2621 | PP(pp_keys) | |
2622 | { | |
cea2e8a9 | 2623 | return do_kv(); |
79072805 LW |
2624 | } |
2625 | ||
2626 | PP(pp_delete) | |
2627 | { | |
4e35701f | 2628 | djSP; |
54310121 | 2629 | I32 gimme = GIMME_V; |
2630 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 2631 | SV *sv; |
5f05dabc | 2632 | HV *hv; |
2633 | ||
533c011a | 2634 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 2635 | dMARK; dORIGMARK; |
97fcbf96 | 2636 | U32 hvtype; |
5f05dabc | 2637 | hv = (HV*)POPs; |
97fcbf96 | 2638 | hvtype = SvTYPE(hv); |
5f05dabc | 2639 | while (++MARK <= SP) { |
ae77835f MB |
2640 | if (hvtype == SVt_PVHV) |
2641 | sv = hv_delete_ent(hv, *MARK, discard, 0); | |
ae77835f | 2642 | else |
cea2e8a9 | 2643 | DIE(aTHX_ "Not a HASH reference"); |
3280af22 | 2644 | *MARK = sv ? sv : &PL_sv_undef; |
5f05dabc | 2645 | } |
54310121 | 2646 | if (discard) |
2647 | SP = ORIGMARK; | |
2648 | else if (gimme == G_SCALAR) { | |
5f05dabc | 2649 | MARK = ORIGMARK; |
2650 | *++MARK = *SP; | |
2651 | SP = MARK; | |
2652 | } | |
2653 | } | |
2654 | else { | |
2655 | SV *keysv = POPs; | |
2656 | hv = (HV*)POPs; | |
97fcbf96 MB |
2657 | if (SvTYPE(hv) == SVt_PVHV) |
2658 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
97fcbf96 | 2659 | else |
cea2e8a9 | 2660 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 2661 | if (!sv) |
3280af22 | 2662 | sv = &PL_sv_undef; |
54310121 | 2663 | if (!discard) |
2664 | PUSHs(sv); | |
79072805 | 2665 | } |
79072805 LW |
2666 | RETURN; |
2667 | } | |
2668 | ||
a0d0e21e | 2669 | PP(pp_exists) |
79072805 | 2670 | { |
4e35701f | 2671 | djSP; |
a0d0e21e LW |
2672 | SV *tmpsv = POPs; |
2673 | HV *hv = (HV*)POPs; | |
c750a3ec | 2674 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 2675 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 2676 | RETPUSHYES; |
ef54e1a4 JH |
2677 | } |
2678 | else if (SvTYPE(hv) == SVt_PVAV) { | |
ae77835f | 2679 | if (avhv_exists_ent((AV*)hv, tmpsv, 0)) |
c750a3ec | 2680 | RETPUSHYES; |
ef54e1a4 JH |
2681 | } |
2682 | else { | |
cea2e8a9 | 2683 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 2684 | } |
a0d0e21e LW |
2685 | RETPUSHNO; |
2686 | } | |
79072805 | 2687 | |
a0d0e21e LW |
2688 | PP(pp_hslice) |
2689 | { | |
4e35701f | 2690 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2691 | register HV *hv = (HV*)POPs; |
533c011a | 2692 | register I32 lval = PL_op->op_flags & OPf_MOD; |
c750a3ec | 2693 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 2694 | |
0ebe0038 | 2695 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
cea2e8a9 | 2696 | DIE(aTHX_ "Can't localize pseudo-hash element"); |
0ebe0038 | 2697 | |
c750a3ec | 2698 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 2699 | while (++MARK <= SP) { |
f12c7020 | 2700 | SV *keysv = *MARK; |
ae77835f MB |
2701 | SV **svp; |
2702 | if (realhv) { | |
800e9ae0 | 2703 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
ae77835f | 2704 | svp = he ? &HeVAL(he) : 0; |
ef54e1a4 JH |
2705 | } |
2706 | else { | |
97fcbf96 | 2707 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 2708 | } |
a0d0e21e | 2709 | if (lval) { |
2d8e6c8d GS |
2710 | if (!svp || *svp == &PL_sv_undef) { |
2711 | STRLEN n_a; | |
cea2e8a9 | 2712 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); |
2d8e6c8d | 2713 | } |
533c011a | 2714 | if (PL_op->op_private & OPpLVAL_INTRO) |
800e9ae0 | 2715 | save_helem(hv, keysv, svp); |
93a17b20 | 2716 | } |
3280af22 | 2717 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2718 | } |
2719 | } | |
a0d0e21e LW |
2720 | if (GIMME != G_ARRAY) { |
2721 | MARK = ORIGMARK; | |
2722 | *++MARK = *SP; | |
2723 | SP = MARK; | |
79072805 | 2724 | } |
a0d0e21e LW |
2725 | RETURN; |
2726 | } | |
2727 | ||
2728 | /* List operators. */ | |
2729 | ||
2730 | PP(pp_list) | |
2731 | { | |
4e35701f | 2732 | djSP; dMARK; |
a0d0e21e LW |
2733 | if (GIMME != G_ARRAY) { |
2734 | if (++MARK <= SP) | |
2735 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 2736 | else |
3280af22 | 2737 | *MARK = &PL_sv_undef; |
a0d0e21e | 2738 | SP = MARK; |
79072805 | 2739 | } |
a0d0e21e | 2740 | RETURN; |
79072805 LW |
2741 | } |
2742 | ||
a0d0e21e | 2743 | PP(pp_lslice) |
79072805 | 2744 | { |
4e35701f | 2745 | djSP; |
3280af22 NIS |
2746 | SV **lastrelem = PL_stack_sp; |
2747 | SV **lastlelem = PL_stack_base + POPMARK; | |
2748 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
a0d0e21e | 2749 | register SV **firstrelem = lastlelem + 1; |
3280af22 | 2750 | I32 arybase = PL_curcop->cop_arybase; |
533c011a | 2751 | I32 lval = PL_op->op_flags & OPf_MOD; |
4633a7c4 | 2752 | I32 is_something_there = lval; |
79072805 | 2753 | |
a0d0e21e LW |
2754 | register I32 max = lastrelem - lastlelem; |
2755 | register SV **lelem; | |
2756 | register I32 ix; | |
2757 | ||
2758 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
2759 | ix = SvIVx(*lastlelem); |
2760 | if (ix < 0) | |
2761 | ix += max; | |
2762 | else | |
2763 | ix -= arybase; | |
a0d0e21e | 2764 | if (ix < 0 || ix >= max) |
3280af22 | 2765 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
2766 | else |
2767 | *firstlelem = firstrelem[ix]; | |
2768 | SP = firstlelem; | |
2769 | RETURN; | |
2770 | } | |
2771 | ||
2772 | if (max == 0) { | |
2773 | SP = firstlelem - 1; | |
2774 | RETURN; | |
2775 | } | |
2776 | ||
2777 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 2778 | ix = SvIVx(*lelem); |
c73bf8e3 | 2779 | if (ix < 0) |
a0d0e21e | 2780 | ix += max; |
c73bf8e3 | 2781 | else |
748a9306 | 2782 | ix -= arybase; |
c73bf8e3 HS |
2783 | if (ix < 0 || ix >= max) |
2784 | *lelem = &PL_sv_undef; | |
2785 | else { | |
2786 | is_something_there = TRUE; | |
2787 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 2788 | *lelem = &PL_sv_undef; |
748a9306 | 2789 | } |
79072805 | 2790 | } |
4633a7c4 LW |
2791 | if (is_something_there) |
2792 | SP = lastlelem; | |
2793 | else | |
2794 | SP = firstlelem - 1; | |
79072805 LW |
2795 | RETURN; |
2796 | } | |
2797 | ||
a0d0e21e LW |
2798 | PP(pp_anonlist) |
2799 | { | |
4e35701f | 2800 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2801 | I32 items = SP - MARK; |
44a8e56a | 2802 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
2803 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
2804 | XPUSHs(av); | |
a0d0e21e LW |
2805 | RETURN; |
2806 | } | |
2807 | ||
2808 | PP(pp_anonhash) | |
79072805 | 2809 | { |
4e35701f | 2810 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2811 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2812 | ||
2813 | while (MARK < SP) { | |
2814 | SV* key = *++MARK; | |
a0d0e21e LW |
2815 | SV *val = NEWSV(46, 0); |
2816 | if (MARK < SP) | |
2817 | sv_setsv(val, *++MARK); | |
599cee73 | 2818 | else if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 2819 | Perl_warner(aTHX_ WARN_UNSAFE, "Odd number of elements in hash assignment"); |
f12c7020 | 2820 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 2821 | } |
a0d0e21e LW |
2822 | SP = ORIGMARK; |
2823 | XPUSHs((SV*)hv); | |
79072805 LW |
2824 | RETURN; |
2825 | } | |
2826 | ||
a0d0e21e | 2827 | PP(pp_splice) |
79072805 | 2828 | { |
4e35701f | 2829 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2830 | register AV *ary = (AV*)*++MARK; |
2831 | register SV **src; | |
2832 | register SV **dst; | |
2833 | register I32 i; | |
2834 | register I32 offset; | |
2835 | register I32 length; | |
2836 | I32 newlen; | |
2837 | I32 after; | |
2838 | I32 diff; | |
2839 | SV **tmparyval = 0; | |
93965878 NIS |
2840 | MAGIC *mg; |
2841 | ||
33c27489 GS |
2842 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
2843 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
93965878 | 2844 | PUSHMARK(MARK); |
8ec5e241 | 2845 | PUTBACK; |
a60c0954 | 2846 | ENTER; |
864dbfa3 | 2847 | call_method("SPLICE",GIMME_V); |
a60c0954 | 2848 | LEAVE; |
93965878 NIS |
2849 | SPAGAIN; |
2850 | RETURN; | |
2851 | } | |
79072805 | 2852 | |
a0d0e21e | 2853 | SP++; |
79072805 | 2854 | |
a0d0e21e | 2855 | if (++MARK < SP) { |
84902520 | 2856 | offset = i = SvIVx(*MARK); |
a0d0e21e | 2857 | if (offset < 0) |
93965878 | 2858 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 2859 | else |
3280af22 | 2860 | offset -= PL_curcop->cop_arybase; |
84902520 | 2861 | if (offset < 0) |
cea2e8a9 | 2862 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |
2863 | if (++MARK < SP) { |
2864 | length = SvIVx(*MARK++); | |
48cdf507 GA |
2865 | if (length < 0) { |
2866 | length += AvFILLp(ary) - offset + 1; | |
2867 | if (length < 0) | |
2868 | length = 0; | |
2869 | } | |
79072805 LW |
2870 | } |
2871 | else | |
a0d0e21e | 2872 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 2873 | } |
a0d0e21e LW |
2874 | else { |
2875 | offset = 0; | |
2876 | length = AvMAX(ary) + 1; | |
2877 | } | |
93965878 NIS |
2878 | if (offset > AvFILLp(ary) + 1) |
2879 | offset = AvFILLp(ary) + 1; | |
2880 | after = AvFILLp(ary) + 1 - (offset + length); | |
a0d0e21e LW |
2881 | if (after < 0) { /* not that much array */ |
2882 | length += after; /* offset+length now in array */ | |
2883 | after = 0; | |
2884 | if (!AvALLOC(ary)) | |
2885 | av_extend(ary, 0); | |
2886 | } | |
2887 | ||
2888 | /* At this point, MARK .. SP-1 is our new LIST */ | |
2889 | ||
2890 | newlen = SP - MARK; | |
2891 | diff = newlen - length; | |
13d7cbc1 GS |
2892 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
2893 | av_reify(ary); | |
a0d0e21e LW |
2894 | |
2895 | if (diff < 0) { /* shrinking the area */ | |
2896 | if (newlen) { | |
2897 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
2898 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 2899 | } |
a0d0e21e LW |
2900 | |
2901 | MARK = ORIGMARK + 1; | |
2902 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2903 | MEXTEND(MARK, length); | |
2904 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
2905 | if (AvREAL(ary)) { | |
bbce6d69 | 2906 | EXTEND_MORTAL(length); |
36477c24 | 2907 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 2908 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 2909 | dst++; |
2910 | } | |
a0d0e21e LW |
2911 | } |
2912 | MARK += length - 1; | |
79072805 | 2913 | } |
a0d0e21e LW |
2914 | else { |
2915 | *MARK = AvARRAY(ary)[offset+length-1]; | |
2916 | if (AvREAL(ary)) { | |
d689ffdd | 2917 | sv_2mortal(*MARK); |
a0d0e21e LW |
2918 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2919 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 2920 | } |
a0d0e21e | 2921 | } |
93965878 | 2922 | AvFILLp(ary) += diff; |
a0d0e21e LW |
2923 | |
2924 | /* pull up or down? */ | |
2925 | ||
2926 | if (offset < after) { /* easier to pull up */ | |
2927 | if (offset) { /* esp. if nothing to pull */ | |
2928 | src = &AvARRAY(ary)[offset-1]; | |
2929 | dst = src - diff; /* diff is negative */ | |
2930 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
2931 | *dst-- = *src--; | |
79072805 | 2932 | } |
a0d0e21e LW |
2933 | dst = AvARRAY(ary); |
2934 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
2935 | AvMAX(ary) += diff; | |
2936 | } | |
2937 | else { | |
2938 | if (after) { /* anything to pull down? */ | |
2939 | src = AvARRAY(ary) + offset + length; | |
2940 | dst = src + diff; /* diff is negative */ | |
2941 | Move(src, dst, after, SV*); | |
79072805 | 2942 | } |
93965878 | 2943 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
2944 | /* avoid later double free */ |
2945 | } | |
2946 | i = -diff; | |
2947 | while (i) | |
3280af22 | 2948 | dst[--i] = &PL_sv_undef; |
a0d0e21e LW |
2949 | |
2950 | if (newlen) { | |
2951 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
2952 | newlen; newlen--) { | |
2953 | *dst = NEWSV(46, 0); | |
2954 | sv_setsv(*dst++, *src++); | |
79072805 | 2955 | } |
a0d0e21e LW |
2956 | Safefree(tmparyval); |
2957 | } | |
2958 | } | |
2959 | else { /* no, expanding (or same) */ | |
2960 | if (length) { | |
2961 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
2962 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
2963 | } | |
2964 | ||
2965 | if (diff > 0) { /* expanding */ | |
2966 | ||
2967 | /* push up or down? */ | |
2968 | ||
2969 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
2970 | if (offset) { | |
2971 | src = AvARRAY(ary); | |
2972 | dst = src - diff; | |
2973 | Move(src, dst, offset, SV*); | |
79072805 | 2974 | } |
a0d0e21e LW |
2975 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2976 | AvMAX(ary) += diff; | |
93965878 | 2977 | AvFILLp(ary) += diff; |
79072805 LW |
2978 | } |
2979 | else { | |
93965878 NIS |
2980 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2981 | av_extend(ary, AvFILLp(ary) + diff); | |
2982 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
2983 | |
2984 | if (after) { | |
93965878 | 2985 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
2986 | src = dst - diff; |
2987 | for (i = after; i; i--) { | |
2988 | *dst-- = *src--; | |
2989 | } | |
79072805 LW |
2990 | } |
2991 | } | |
a0d0e21e LW |
2992 | } |
2993 | ||
2994 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
2995 | *dst = NEWSV(46, 0); | |
2996 | sv_setsv(*dst++, *src++); | |
2997 | } | |
2998 | MARK = ORIGMARK + 1; | |
2999 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
3000 | if (length) { | |
3001 | Copy(tmparyval, MARK, length, SV*); | |
3002 | if (AvREAL(ary)) { | |
bbce6d69 | 3003 | EXTEND_MORTAL(length); |
36477c24 | 3004 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 3005 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 3006 | dst++; |
3007 | } | |
79072805 | 3008 | } |
a0d0e21e | 3009 | Safefree(tmparyval); |
79072805 | 3010 | } |
a0d0e21e LW |
3011 | MARK += length - 1; |
3012 | } | |
3013 | else if (length--) { | |
3014 | *MARK = tmparyval[length]; | |
3015 | if (AvREAL(ary)) { | |
d689ffdd | 3016 | sv_2mortal(*MARK); |
a0d0e21e LW |
3017 | while (length-- > 0) |
3018 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 3019 | } |
a0d0e21e | 3020 | Safefree(tmparyval); |
79072805 | 3021 | } |
a0d0e21e | 3022 | else |
3280af22 | 3023 | *MARK = &PL_sv_undef; |
79072805 | 3024 | } |
a0d0e21e | 3025 | SP = MARK; |
79072805 LW |
3026 | RETURN; |
3027 | } | |
3028 | ||
a0d0e21e | 3029 | PP(pp_push) |
79072805 | 3030 | { |
4e35701f | 3031 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 3032 | register AV *ary = (AV*)*++MARK; |
3280af22 | 3033 | register SV *sv = &PL_sv_undef; |
93965878 | 3034 | MAGIC *mg; |
79072805 | 3035 | |
33c27489 GS |
3036 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
3037 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
93965878 NIS |
3038 | PUSHMARK(MARK); |
3039 | PUTBACK; | |
a60c0954 | 3040 | ENTER; |
864dbfa3 | 3041 | call_method("PUSH",G_SCALAR|G_DISCARD); |
a60c0954 | 3042 | LEAVE; |
93965878 | 3043 | SPAGAIN; |
93965878 | 3044 | } |
a60c0954 NIS |
3045 | else { |
3046 | /* Why no pre-extend of ary here ? */ | |
3047 | for (++MARK; MARK <= SP; MARK++) { | |
3048 | sv = NEWSV(51, 0); | |
3049 | if (*MARK) | |
3050 | sv_setsv(sv, *MARK); | |
3051 | av_push(ary, sv); | |
3052 | } | |
79072805 LW |
3053 | } |
3054 | SP = ORIGMARK; | |
a0d0e21e | 3055 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
3056 | RETURN; |
3057 | } | |
3058 | ||
a0d0e21e | 3059 | PP(pp_pop) |
79072805 | 3060 | { |
4e35701f | 3061 | djSP; |
a0d0e21e LW |
3062 | AV *av = (AV*)POPs; |
3063 | SV *sv = av_pop(av); | |
d689ffdd | 3064 | if (AvREAL(av)) |
a0d0e21e LW |
3065 | (void)sv_2mortal(sv); |
3066 | PUSHs(sv); | |
79072805 | 3067 | RETURN; |
79072805 LW |
3068 | } |
3069 | ||
a0d0e21e | 3070 | PP(pp_shift) |
79072805 | 3071 | { |
4e35701f | 3072 | djSP; |
a0d0e21e LW |
3073 | AV *av = (AV*)POPs; |
3074 | SV *sv = av_shift(av); | |
79072805 | 3075 | EXTEND(SP, 1); |
a0d0e21e | 3076 | if (!sv) |
79072805 | 3077 | RETPUSHUNDEF; |
d689ffdd | 3078 | if (AvREAL(av)) |
a0d0e21e LW |
3079 | (void)sv_2mortal(sv); |
3080 | PUSHs(sv); | |
79072805 | 3081 | RETURN; |
79072805 LW |
3082 | } |
3083 | ||
a0d0e21e | 3084 | PP(pp_unshift) |
79072805 | 3085 | { |
4e35701f | 3086 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
3087 | register AV *ary = (AV*)*++MARK; |
3088 | register SV *sv; | |
3089 | register I32 i = 0; | |
93965878 NIS |
3090 | MAGIC *mg; |
3091 | ||
33c27489 GS |
3092 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
3093 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
7fd66d9d | 3094 | PUSHMARK(MARK); |
93965878 | 3095 | PUTBACK; |
a60c0954 | 3096 | ENTER; |
864dbfa3 | 3097 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
a60c0954 | 3098 | LEAVE; |
93965878 | 3099 | SPAGAIN; |
93965878 | 3100 | } |
a60c0954 NIS |
3101 | else { |
3102 | av_unshift(ary, SP - MARK); | |
3103 | while (MARK < SP) { | |
3104 | sv = NEWSV(27, 0); | |
3105 | sv_setsv(sv, *++MARK); | |
3106 | (void)av_store(ary, i++, sv); | |
3107 | } | |
79072805 | 3108 | } |
a0d0e21e LW |
3109 | SP = ORIGMARK; |
3110 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 3111 | RETURN; |
79072805 LW |
3112 | } |
3113 | ||
a0d0e21e | 3114 | PP(pp_reverse) |
79072805 | 3115 | { |
4e35701f | 3116 | djSP; dMARK; |
a0d0e21e LW |
3117 | register SV *tmp; |
3118 | SV **oldsp = SP; | |
79072805 | 3119 | |
a0d0e21e LW |
3120 | if (GIMME == G_ARRAY) { |
3121 | MARK++; | |
3122 | while (MARK < SP) { | |
3123 | tmp = *MARK; | |
3124 | *MARK++ = *SP; | |
3125 | *SP-- = tmp; | |
3126 | } | |
3127 | SP = oldsp; | |
79072805 LW |
3128 | } |
3129 | else { | |
a0d0e21e LW |
3130 | register char *up; |
3131 | register char *down; | |
3132 | register I32 tmp; | |
3133 | dTARGET; | |
3134 | STRLEN len; | |
79072805 | 3135 | |
a0d0e21e | 3136 | if (SP - MARK > 1) |
3280af22 | 3137 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 3138 | else |
54b9620d | 3139 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
3140 | up = SvPV_force(TARG, len); |
3141 | if (len > 1) { | |
a0ed51b3 | 3142 | if (IN_UTF8) { /* first reverse each character */ |
dfe13c55 GS |
3143 | U8* s = (U8*)SvPVX(TARG); |
3144 | U8* send = (U8*)(s + len); | |
a0ed51b3 LW |
3145 | while (s < send) { |
3146 | if (*s < 0x80) { | |
3147 | s++; | |
3148 | continue; | |
3149 | } | |
3150 | else { | |
dfe13c55 | 3151 | up = (char*)s; |
a0ed51b3 | 3152 | s += UTF8SKIP(s); |
dfe13c55 | 3153 | down = (char*)(s - 1); |
f248d071 GS |
3154 | if (s > send || !((*down & 0xc0) == 0x80)) { |
3155 | if (ckWARN_d(WARN_UTF8)) | |
3156 | Perl_warner(aTHX_ WARN_UTF8, | |
3157 | "Malformed UTF-8 character"); | |
a0ed51b3 LW |
3158 | break; |
3159 | } | |
3160 | while (down > up) { | |
3161 | tmp = *up; | |
3162 | *up++ = *down; | |
3163 | *down-- = tmp; | |
3164 | } | |
3165 | } | |
3166 | } | |
3167 | up = SvPVX(TARG); | |
3168 | } | |
a0d0e21e LW |
3169 | down = SvPVX(TARG) + len - 1; |
3170 | while (down > up) { | |
3171 | tmp = *up; | |
3172 | *up++ = *down; | |
3173 | *down-- = tmp; | |
3174 | } | |
3175 | (void)SvPOK_only(TARG); | |
79072805 | 3176 | } |
a0d0e21e LW |
3177 | SP = MARK + 1; |
3178 | SETTARG; | |
79072805 | 3179 | } |
a0d0e21e | 3180 | RETURN; |
79072805 LW |
3181 | } |
3182 | ||
864dbfa3 | 3183 | STATIC SV * |
cea2e8a9 | 3184 | S_mul128(pTHX_ SV *sv, U8 m) |
55497cff | 3185 | { |
3186 | STRLEN len; | |
3187 | char *s = SvPV(sv, len); | |
3188 | char *t; | |
3189 | U32 i = 0; | |
3190 | ||
3191 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ | |
79cb57f6 | 3192 | SV *tmpNew = newSVpvn("0000000000", 10); |
55497cff | 3193 | |
09b7f37c | 3194 | sv_catsv(tmpNew, sv); |
55497cff | 3195 | SvREFCNT_dec(sv); /* free old sv */ |
09b7f37c | 3196 | sv = tmpNew; |
55497cff | 3197 | s = SvPV(sv, len); |
3198 | } | |
3199 | t = s + len - 1; | |
3200 | while (!*t) /* trailing '\0'? */ | |
3201 | t--; | |
3202 | while (t > s) { | |
3203 | i = ((*t - '0') << 7) + m; | |
3204 | *(t--) = '0' + (i % 10); | |
3205 | m = i / 10; | |
3206 | } | |
3207 | return (sv); | |
3208 | } | |
3209 | ||
a0d0e21e LW |
3210 | /* Explosives and implosives. */ |
3211 | ||
9d116dd7 JH |
3212 | #if 'I' == 73 && 'J' == 74 |
3213 | /* On an ASCII/ISO kind of system */ | |
ba1ac976 | 3214 | #define ISUUCHAR(ch) ((ch) >= ' ' && (ch) < 'a') |
9d116dd7 JH |
3215 | #else |
3216 | /* | |
3217 | Some other sort of character set - use memchr() so we don't match | |
3218 | the null byte. | |
3219 | */ | |
80252599 | 3220 | #define ISUUCHAR(ch) (memchr(PL_uuemap, (ch), sizeof(PL_uuemap)-1) || (ch) == ' ') |
9d116dd7 JH |
3221 | #endif |
3222 | ||
a0d0e21e | 3223 | PP(pp_unpack) |
79072805 | 3224 | { |
4e35701f | 3225 | djSP; |
a0d0e21e | 3226 | dPOPPOPssrl; |
924508f0 | 3227 | SV **oldsp = SP; |
54310121 | 3228 | I32 gimme = GIMME_V; |
ed6116ce | 3229 | SV *sv; |
a0d0e21e LW |
3230 | STRLEN llen; |
3231 | STRLEN rlen; | |
3232 | register char *pat = SvPV(left, llen); | |
3233 | register char *s = SvPV(right, rlen); | |
3234 | char *strend = s + rlen; | |
3235 | char *strbeg = s; | |
3236 | register char *patend = pat + llen; | |
3237 | I32 datumtype; | |
3238 | register I32 len; | |
3239 | register I32 bits; | |
79072805 | 3240 | |
a0d0e21e LW |
3241 | /* These must not be in registers: */ |
3242 | I16 ashort; | |
3243 | int aint; | |
3244 | I32 along; | |
ecfc5424 AD |
3245 | #ifdef HAS_QUAD |
3246 | Quad_t aquad; | |
a0d0e21e LW |
3247 | #endif |
3248 | U16 aushort; | |
3249 | unsigned int auint; | |
3250 | U32 aulong; | |
ecfc5424 | 3251 | #ifdef HAS_QUAD |
e862df63 | 3252 | Uquad_t auquad; |
a0d0e21e LW |
3253 | #endif |
3254 | char *aptr; | |
3255 | float afloat; | |
3256 | double adouble; | |
3257 | I32 checksum = 0; | |
3258 | register U32 culong; | |
65202027 | 3259 | NV cdouble; |
fb73857a | 3260 | int commas = 0; |
726ea183 | 3261 | #ifdef PERL_NATINT_PACK |
ef54e1a4 JH |
3262 | int natint; /* native integer */ |
3263 | int unatint; /* unsigned native integer */ | |
726ea183 | 3264 | #endif |
79072805 | 3265 | |
54310121 | 3266 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
a0d0e21e LW |
3267 | /*SUPPRESS 530*/ |
3268 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
5a929a98 | 3269 | if (strchr("aAZbBhHP", *patend) || *pat == '%') { |
a0d0e21e LW |
3270 | patend++; |
3271 | while (isDIGIT(*patend) || *patend == '*') | |
3272 | patend++; | |
3273 | } | |
3274 | else | |
3275 | patend++; | |
79072805 | 3276 | } |
a0d0e21e LW |
3277 | while (pat < patend) { |
3278 | reparse: | |
bbdab043 | 3279 | datumtype = *pat++ & 0xFF; |
726ea183 | 3280 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3281 | natint = 0; |
726ea183 | 3282 | #endif |
bbdab043 CS |
3283 | if (isSPACE(datumtype)) |
3284 | continue; | |
f61d411c | 3285 | if (*pat == '!') { |
ef54e1a4 JH |
3286 | char *natstr = "sSiIlL"; |
3287 | ||
3288 | if (strchr(natstr, datumtype)) { | |
726ea183 | 3289 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3290 | natint = 1; |
726ea183 | 3291 | #endif |
ef54e1a4 JH |
3292 | pat++; |
3293 | } | |
3294 | else | |
cea2e8a9 | 3295 | Perl_croak(aTHX_ "'!' allowed only after types %s", natstr); |
ef54e1a4 | 3296 | } |
a0d0e21e LW |
3297 | if (pat >= patend) |
3298 | len = 1; | |
3299 | else if (*pat == '*') { | |
3300 | len = strend - strbeg; /* long enough */ | |
3301 | pat++; | |
3302 | } | |
3303 | else if (isDIGIT(*pat)) { | |
3304 | len = *pat++ - '0'; | |
06387354 | 3305 | while (isDIGIT(*pat)) { |
a0d0e21e | 3306 | len = (len * 10) + (*pat++ - '0'); |
06387354 NT |
3307 | if (len < 0) |
3308 | Perl_croak(aTHX_ "Repeat count in unpack overflows"); | |
3309 | } | |
a0d0e21e LW |
3310 | } |
3311 | else | |
3312 | len = (datumtype != '@'); | |
3313 | switch(datumtype) { | |
3314 | default: | |
cea2e8a9 | 3315 | Perl_croak(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3316 | case ',': /* grandfather in commas but with a warning */ |
599cee73 | 3317 | if (commas++ == 0 && ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 3318 | Perl_warner(aTHX_ WARN_UNSAFE, "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3319 | break; |
a0d0e21e LW |
3320 | case '%': |
3321 | if (len == 1 && pat[-1] != '1') | |
3322 | len = 16; | |
3323 | checksum = len; | |
3324 | culong = 0; | |
3325 | cdouble = 0; | |
3326 | if (pat < patend) | |
3327 | goto reparse; | |
3328 | break; | |
3329 | case '@': | |
3330 | if (len > strend - strbeg) | |
cea2e8a9 | 3331 | DIE(aTHX_ "@ outside of string"); |
a0d0e21e LW |
3332 | s = strbeg + len; |
3333 | break; | |
3334 | case 'X': | |
3335 | if (len > s - strbeg) | |
cea2e8a9 | 3336 | DIE(aTHX_ "X outside of string"); |
a0d0e21e LW |
3337 | s -= len; |
3338 | break; | |
3339 | case 'x': | |
3340 | if (len > strend - s) | |
cea2e8a9 | 3341 | DIE(aTHX_ "x outside of string"); |
a0d0e21e LW |
3342 | s += len; |
3343 | break; | |
43192e07 IP |
3344 | case '#': |
3345 | if (oldsp >= SP) | |
3346 | DIE(aTHX_ "# must follow a numeric type"); | |
3347 | if (*pat != 'a' && *pat != 'A' && *pat != 'Z') | |
3348 | DIE(aTHX_ "# must be followed by a, A or Z"); | |
3349 | datumtype = *pat++; | |
3350 | if (*pat == '*') | |
3351 | pat++; /* ignore '*' for compatibility with pack */ | |
3352 | if (isDIGIT(*pat)) | |
3353 | DIE(aTHX_ "# cannot take a count" ); | |
3354 | len = POPi; | |
3355 | /* drop through */ | |
a0d0e21e | 3356 | case 'A': |
5a929a98 | 3357 | case 'Z': |
a0d0e21e LW |
3358 | case 'a': |
3359 | if (len > strend - s) | |
3360 | len = strend - s; | |
3361 | if (checksum) | |
3362 | goto uchar_checksum; | |
3363 | sv = NEWSV(35, len); | |
3364 | sv_setpvn(sv, s, len); | |
3365 | s += len; | |
5a929a98 | 3366 | if (datumtype == 'A' || datumtype == 'Z') { |
a0d0e21e | 3367 | aptr = s; /* borrow register */ |
5a929a98 VU |
3368 | if (datumtype == 'Z') { /* 'Z' strips stuff after first null */ |
3369 | s = SvPVX(sv); | |
3370 | while (*s) | |
3371 | s++; | |
3372 | } | |
3373 | else { /* 'A' strips both nulls and spaces */ | |
3374 | s = SvPVX(sv) + len - 1; | |
3375 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) | |
3376 | s--; | |
3377 | *++s = '\0'; | |
3378 | } | |
a0d0e21e LW |
3379 | SvCUR_set(sv, s - SvPVX(sv)); |
3380 | s = aptr; /* unborrow register */ | |
3381 | } | |
3382 | XPUSHs(sv_2mortal(sv)); | |
3383 | break; | |
3384 | case 'B': | |
3385 | case 'b': | |
3386 | if (pat[-1] == '*' || len > (strend - s) * 8) | |
3387 | len = (strend - s) * 8; | |
3388 | if (checksum) { | |
80252599 GS |
3389 | if (!PL_bitcount) { |
3390 | Newz(601, PL_bitcount, 256, char); | |
a0d0e21e | 3391 | for (bits = 1; bits < 256; bits++) { |
80252599 GS |
3392 | if (bits & 1) PL_bitcount[bits]++; |
3393 | if (bits & 2) PL_bitcount[bits]++; | |
3394 | if (bits & 4) PL_bitcount[bits]++; | |
3395 | if (bits & 8) PL_bitcount[bits]++; | |
3396 | if (bits & 16) PL_bitcount[bits]++; | |
3397 | if (bits & 32) PL_bitcount[bits]++; | |
3398 | if (bits & 64) PL_bitcount[bits]++; | |
3399 | if (bits & 128) PL_bitcount[bits]++; | |
a0d0e21e LW |
3400 | } |
3401 | } | |
3402 | while (len >= 8) { | |
80252599 | 3403 | culong += PL_bitcount[*(unsigned char*)s++]; |
a0d0e21e LW |
3404 | len -= 8; |
3405 | } | |
3406 | if (len) { | |
3407 | bits = *s; | |
3408 | if (datumtype == 'b') { | |
3409 | while (len-- > 0) { | |
3410 | if (bits & 1) culong++; | |
3411 | bits >>= 1; | |
3412 | } | |
3413 | } | |
3414 | else { | |
3415 | while (len-- > 0) { | |
3416 | if (bits & 128) culong++; | |
3417 | bits <<= 1; | |
3418 | } | |
3419 | } | |
3420 | } | |
79072805 LW |
3421 | break; |
3422 | } | |
a0d0e21e LW |
3423 | sv = NEWSV(35, len + 1); |
3424 | SvCUR_set(sv, len); | |
3425 | SvPOK_on(sv); | |
3426 | aptr = pat; /* borrow register */ | |
3427 | pat = SvPVX(sv); | |
3428 | if (datumtype == 'b') { | |
3429 | aint = len; | |
3430 | for (len = 0; len < aint; len++) { | |
3431 | if (len & 7) /*SUPPRESS 595*/ | |
3432 | bits >>= 1; | |
3433 | else | |
3434 | bits = *s++; | |
3435 | *pat++ = '0' + (bits & 1); | |
3436 | } | |
3437 | } | |
3438 | else { | |
3439 | aint = len; | |
3440 | for (len = 0; len < aint; len++) { | |
3441 | if (len & 7) | |
3442 | bits <<= 1; | |
3443 | else | |
3444 | bits = *s++; | |
3445 | *pat++ = '0' + ((bits & 128) != 0); | |
3446 | } | |
3447 | } | |
3448 | *pat = '\0'; | |
3449 | pat = aptr; /* unborrow register */ | |
3450 | XPUSHs(sv_2mortal(sv)); | |
3451 | break; | |
3452 | case 'H': | |
3453 | case 'h': | |
3454 | if (pat[-1] == '*' || len > (strend - s) * 2) | |
3455 | len = (strend - s) * 2; | |
3456 | sv = NEWSV(35, len + 1); | |
3457 | SvCUR_set(sv, len); | |
3458 | SvPOK_on(sv); | |
3459 | aptr = pat; /* borrow register */ | |
3460 | pat = SvPVX(sv); | |
3461 | if (datumtype == 'h') { | |
3462 | aint = len; | |
3463 | for (len = 0; len < aint; len++) { | |
3464 | if (len & 1) | |
3465 | bits >>= 4; | |
3466 | else | |
3467 | bits = *s++; | |
3280af22 | 3468 | *pat++ = PL_hexdigit[bits & 15]; |
a0d0e21e LW |
3469 | } |
3470 | } | |
3471 | else { | |
3472 | aint = len; | |
3473 | for (len = 0; len < aint; len++) { | |
3474 | if (len & 1) | |
3475 | bits <<= 4; | |
3476 | else | |
3477 | bits = *s++; | |
3280af22 | 3478 | *pat++ = PL_hexdigit[(bits >> 4) & 15]; |
a0d0e21e LW |
3479 | } |
3480 | } | |
3481 | *pat = '\0'; | |
3482 | pat = aptr; /* unborrow register */ | |
3483 | XPUSHs(sv_2mortal(sv)); | |
3484 | break; | |
3485 | case 'c': | |
3486 | if (len > strend - s) | |
3487 | len = strend - s; | |
3488 | if (checksum) { | |
3489 | while (len-- > 0) { | |
3490 | aint = *s++; | |
3491 | if (aint >= 128) /* fake up signed chars */ | |
3492 | aint -= 256; | |
3493 | culong += aint; | |
3494 | } | |
3495 | } | |
3496 | else { | |
3497 | EXTEND(SP, len); | |
bbce6d69 | 3498 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3499 | while (len-- > 0) { |
3500 | aint = *s++; | |
3501 | if (aint >= 128) /* fake up signed chars */ | |
3502 | aint -= 256; | |
3503 | sv = NEWSV(36, 0); | |
1e422769 | 3504 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3505 | PUSHs(sv_2mortal(sv)); |
3506 | } | |
3507 | } | |
3508 | break; | |
3509 | case 'C': | |
3510 | if (len > strend - s) | |
3511 | len = strend - s; | |
3512 | if (checksum) { | |
3513 | uchar_checksum: | |
3514 | while (len-- > 0) { | |
3515 | auint = *s++ & 255; | |
3516 | culong += auint; | |
3517 | } | |
3518 | } | |
3519 | else { | |
3520 | EXTEND(SP, len); | |
bbce6d69 | 3521 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3522 | while (len-- > 0) { |
3523 | auint = *s++ & 255; | |
3524 | sv = NEWSV(37, 0); | |
1e422769 | 3525 | sv_setiv(sv, (IV)auint); |
a0d0e21e LW |
3526 | PUSHs(sv_2mortal(sv)); |
3527 | } | |
3528 | } | |
3529 | break; | |
a0ed51b3 LW |
3530 | case 'U': |
3531 | if (len > strend - s) | |
3532 | len = strend - s; | |
3533 | if (checksum) { | |
3534 | while (len-- > 0 && s < strend) { | |
dfe13c55 | 3535 | auint = utf8_to_uv((U8*)s, &along); |
a0ed51b3 | 3536 | s += along; |
32d8b6e5 | 3537 | if (checksum > 32) |
65202027 | 3538 | cdouble += (NV)auint; |
32d8b6e5 GA |
3539 | else |
3540 | culong += auint; | |
a0ed51b3 LW |
3541 | } |
3542 | } | |
3543 | else { | |
3544 | EXTEND(SP, len); | |
3545 | EXTEND_MORTAL(len); | |
3546 | while (len-- > 0 && s < strend) { | |
dfe13c55 | 3547 | auint = utf8_to_uv((U8*)s, &along); |
a0ed51b3 LW |
3548 | s += along; |
3549 | sv = NEWSV(37, 0); | |
bdeef251 | 3550 | sv_setuv(sv, (UV)auint); |
a0ed51b3 LW |
3551 | PUSHs(sv_2mortal(sv)); |
3552 | } | |
3553 | } | |
3554 | break; | |
a0d0e21e | 3555 | case 's': |
726ea183 JH |
3556 | #if SHORTSIZE == SIZE16 |
3557 | along = (strend - s) / SIZE16; | |
3558 | #else | |
ef54e1a4 | 3559 | along = (strend - s) / (natint ? sizeof(short) : SIZE16); |
726ea183 | 3560 | #endif |
a0d0e21e LW |
3561 | if (len > along) |
3562 | len = along; | |
3563 | if (checksum) { | |
726ea183 | 3564 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3565 | if (natint) { |
bf9315bb | 3566 | short ashort; |
ef54e1a4 JH |
3567 | while (len-- > 0) { |
3568 | COPYNN(s, &ashort, sizeof(short)); | |
3569 | s += sizeof(short); | |
3570 | culong += ashort; | |
3571 | ||
3572 | } | |
3573 | } | |
726ea183 JH |
3574 | else |
3575 | #endif | |
3576 | { | |
ef54e1a4 JH |
3577 | while (len-- > 0) { |
3578 | COPY16(s, &ashort); | |
c67712b2 JH |
3579 | #if SHORTSIZE > SIZE16 |
3580 | if (ashort > 32767) | |
3581 | ashort -= 65536; | |
3582 | #endif | |
ef54e1a4 JH |
3583 | s += SIZE16; |
3584 | culong += ashort; | |
3585 | } | |
a0d0e21e LW |
3586 | } |
3587 | } | |
3588 | else { | |
3589 | EXTEND(SP, len); | |
bbce6d69 | 3590 | EXTEND_MORTAL(len); |
726ea183 | 3591 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3592 | if (natint) { |
bf9315bb | 3593 | short ashort; |
ef54e1a4 JH |
3594 | while (len-- > 0) { |
3595 | COPYNN(s, &ashort, sizeof(short)); | |
3596 | s += sizeof(short); | |
3597 | sv = NEWSV(38, 0); | |
3598 | sv_setiv(sv, (IV)ashort); | |
3599 | PUSHs(sv_2mortal(sv)); | |
3600 | } | |
3601 | } | |
726ea183 JH |
3602 | else |
3603 | #endif | |
3604 | { | |
ef54e1a4 JH |
3605 | while (len-- > 0) { |
3606 | COPY16(s, &ashort); | |
c67712b2 JH |
3607 | #if SHORTSIZE > SIZE16 |
3608 | if (ashort > 32767) | |
3609 | ashort -= 65536; | |
3610 | #endif | |
ef54e1a4 JH |
3611 | s += SIZE16; |
3612 | sv = NEWSV(38, 0); | |
3613 | sv_setiv(sv, (IV)ashort); | |
3614 | PUSHs(sv_2mortal(sv)); | |
3615 | } | |
a0d0e21e LW |
3616 | } |
3617 | } | |
3618 | break; | |
3619 | case 'v': | |
3620 | case 'n': | |
3621 | case 'S': | |
726ea183 JH |
3622 | #if SHORTSIZE == SIZE16 |
3623 | along = (strend - s) / SIZE16; | |
3624 | #else | |
ef54e1a4 JH |
3625 | unatint = natint && datumtype == 'S'; |
3626 | along = (strend - s) / (unatint ? sizeof(unsigned short) : SIZE16); | |
726ea183 | 3627 | #endif |
a0d0e21e LW |
3628 | if (len > along) |
3629 | len = along; | |
3630 | if (checksum) { | |
726ea183 | 3631 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3632 | if (unatint) { |
bf9315bb | 3633 | unsigned short aushort; |
ef54e1a4 JH |
3634 | while (len-- > 0) { |
3635 | COPYNN(s, &aushort, sizeof(unsigned short)); | |
3636 | s += sizeof(unsigned short); | |
3637 | culong += aushort; | |
3638 | } | |
3639 | } | |
726ea183 JH |
3640 | else |
3641 | #endif | |
3642 | { | |
ef54e1a4 JH |
3643 | while (len-- > 0) { |
3644 | COPY16(s, &aushort); | |
3645 | s += SIZE16; | |
a0d0e21e | 3646 | #ifdef HAS_NTOHS |
ef54e1a4 JH |
3647 | if (datumtype == 'n') |
3648 | aushort = PerlSock_ntohs(aushort); | |
79072805 | 3649 | #endif |
a0d0e21e | 3650 | #ifdef HAS_VTOHS |
ef54e1a4 JH |
3651 | if (datumtype == 'v') |
3652 | aushort = vtohs(aushort); | |
79072805 | 3653 | #endif |
ef54e1a4 JH |
3654 | culong += aushort; |
3655 | } | |
a0d0e21e LW |
3656 | } |
3657 | } | |
3658 | else { | |
3659 | EXTEND(SP, len); | |
bbce6d69 | 3660 | EXTEND_MORTAL(len); |
726ea183 | 3661 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3662 | if (unatint) { |
bf9315bb | 3663 | unsigned short aushort; |
ef54e1a4 JH |
3664 | while (len-- > 0) { |
3665 | COPYNN(s, &aushort, sizeof(unsigned short)); | |
3666 | s += sizeof(unsigned short); | |
3667 | sv = NEWSV(39, 0); | |
726ea183 | 3668 | sv_setiv(sv, (UV)aushort); |
ef54e1a4 JH |
3669 | PUSHs(sv_2mortal(sv)); |
3670 | } | |
3671 | } | |
726ea183 JH |
3672 | else |
3673 | #endif | |
3674 | { | |
ef54e1a4 JH |
3675 | while (len-- > 0) { |
3676 | COPY16(s, &aushort); | |
3677 | s += SIZE16; | |
3678 | sv = NEWSV(39, 0); | |
a0d0e21e | 3679 | #ifdef HAS_NTOHS |
ef54e1a4 JH |
3680 | if (datumtype == 'n') |
3681 | aushort = PerlSock_ntohs(aushort); | |
79072805 | 3682 | #endif |
a0d0e21e | 3683 | #ifdef HAS_VTOHS |
ef54e1a4 JH |
3684 | if (datumtype == 'v') |
3685 | aushort = vtohs(aushort); | |
79072805 | 3686 | #endif |
726ea183 | 3687 | sv_setiv(sv, (UV)aushort); |
ef54e1a4 JH |
3688 | PUSHs(sv_2mortal(sv)); |
3689 | } | |
a0d0e21e LW |
3690 | } |
3691 | } | |
3692 | break; | |
3693 | case 'i': | |
3694 | along = (strend - s) / sizeof(int); | |
3695 | if (len > along) | |
3696 | len = along; | |
3697 | if (checksum) { | |
3698 | while (len-- > 0) { | |
3699 | Copy(s, &aint, 1, int); | |
3700 | s += sizeof(int); | |
3701 | if (checksum > 32) | |
65202027 | 3702 | cdouble += (NV)aint; |
a0d0e21e LW |
3703 | else |
3704 | culong += aint; | |
3705 | } | |
3706 | } | |
3707 | else { | |
3708 | EXTEND(SP, len); | |
bbce6d69 | 3709 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3710 | while (len-- > 0) { |
3711 | Copy(s, &aint, 1, int); | |
3712 | s += sizeof(int); | |
3713 | sv = NEWSV(40, 0); | |
20408e3c GS |
3714 | #ifdef __osf__ |
3715 | /* Without the dummy below unpack("i", pack("i",-1)) | |
3716 | * return 0xFFffFFff instead of -1 for Digital Unix V4.0 | |
13476c87 JH |
3717 | * cc with optimization turned on. |
3718 | * | |
3719 | * The bug was detected in | |
3720 | * DEC C V5.8-009 on Digital UNIX V4.0 (Rev. 1091) (V4.0E) | |
3721 | * with optimization (-O4) turned on. | |
3722 | * DEC C V5.2-040 on Digital UNIX V4.0 (Rev. 564) (V4.0B) | |
3723 | * does not have this problem even with -O4. | |
3724 | * | |
3725 | * This bug was reported as DECC_BUGS 1431 | |
3726 | * and tracked internally as GEM_BUGS 7775. | |
3727 | * | |
3728 | * The bug is fixed in | |
3729 | * Tru64 UNIX V5.0: Compaq C V6.1-006 or later | |
3730 | * UNIX V4.0F support: DEC C V5.9-006 or later | |
3731 | * UNIX V4.0E support: DEC C V5.8-011 or later | |
3732 | * and also in DTK. | |
3733 | * | |
3734 | * See also few lines later for the same bug. | |
3735 | */ | |
20408e3c GS |
3736 | (aint) ? |
3737 | sv_setiv(sv, (IV)aint) : | |
3738 | #endif | |
1e422769 | 3739 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3740 | PUSHs(sv_2mortal(sv)); |
3741 | } | |
3742 | } | |
3743 | break; | |
3744 | case 'I': | |
3745 | along = (strend - s) / sizeof(unsigned int); | |
3746 | if (len > along) | |
3747 | len = along; | |
3748 | if (checksum) { | |
3749 | while (len-- > 0) { | |
3750 | Copy(s, &auint, 1, unsigned int); | |
3751 | s += sizeof(unsigned int); | |
3752 | if (checksum > 32) | |
65202027 | 3753 | cdouble += (NV)auint; |
a0d0e21e LW |
3754 | else |
3755 | culong += auint; | |
3756 | } | |
3757 | } | |
3758 | else { | |
3759 | EXTEND(SP, len); | |
bbce6d69 | 3760 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3761 | while (len-- > 0) { |
3762 | Copy(s, &auint, 1, unsigned int); | |
3763 | s += sizeof(unsigned int); | |
3764 | sv = NEWSV(41, 0); | |
9d645a59 AB |
3765 | #ifdef __osf__ |
3766 | /* Without the dummy below unpack("I", pack("I",0xFFFFFFFF)) | |
13476c87 JH |
3767 | * returns 1.84467440737096e+19 instead of 0xFFFFFFFF. |
3768 | * See details few lines earlier. */ | |
9d645a59 AB |
3769 | (auint) ? |
3770 | sv_setuv(sv, (UV)auint) : | |
3771 | #endif | |
1e422769 | 3772 | sv_setuv(sv, (UV)auint); |
a0d0e21e LW |
3773 | PUSHs(sv_2mortal(sv)); |
3774 | } | |
3775 | } | |
3776 | break; | |
3777 | case 'l': | |
726ea183 JH |
3778 | #if LONGSIZE == SIZE32 |
3779 | along = (strend - s) / SIZE32; | |
3780 | #else | |
ef54e1a4 | 3781 | along = (strend - s) / (natint ? sizeof(long) : SIZE32); |
726ea183 | 3782 | #endif |
a0d0e21e LW |
3783 | if (len > along) |
3784 | len = along; | |
3785 | if (checksum) { | |
726ea183 | 3786 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3787 | if (natint) { |
bf9315bb | 3788 | long along; |
ef54e1a4 JH |
3789 | while (len-- > 0) { |
3790 | COPYNN(s, &along, sizeof(long)); | |
3791 | s += sizeof(long); | |
3792 | if (checksum > 32) | |
65202027 | 3793 | cdouble += (NV)along; |
ef54e1a4 JH |
3794 | else |
3795 | culong += along; | |
3796 | } | |
3797 | } | |
726ea183 JH |
3798 | else |
3799 | #endif | |
3800 | { | |
ef54e1a4 JH |
3801 | while (len-- > 0) { |
3802 | COPY32(s, &along); | |
c67712b2 JH |
3803 | #if LONGSIZE > SIZE32 |
3804 | if (along > 2147483647) | |
3805 | along -= 4294967296; | |
3806 | #endif | |
ef54e1a4 JH |
3807 | s += SIZE32; |
3808 | if (checksum > 32) | |
65202027 | 3809 | cdouble += (NV)along; |
ef54e1a4 JH |
3810 | else |
3811 | culong += along; | |
3812 | } | |
a0d0e21e LW |
3813 | } |
3814 | } | |
3815 | else { | |
3816 | EXTEND(SP, len); | |
bbce6d69 | 3817 | EXTEND_MORTAL(len); |
726ea183 | 3818 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3819 | if (natint) { |
bf9315bb | 3820 | long along; |
ef54e1a4 JH |
3821 | while (len-- > 0) { |
3822 | COPYNN(s, &along, sizeof(long)); | |
3823 | s += sizeof(long); | |
3824 | sv = NEWSV(42, 0); | |
3825 | sv_setiv(sv, (IV)along); | |
3826 | PUSHs(sv_2mortal(sv)); | |
3827 | } | |
3828 | } | |
726ea183 JH |
3829 | else |
3830 | #endif | |
3831 | { | |
ef54e1a4 JH |
3832 | while (len-- > 0) { |
3833 | COPY32(s, &along); | |
c67712b2 JH |
3834 | #if LONGSIZE > SIZE32 |
3835 | if (along > 2147483647) | |
3836 | along -= 4294967296; | |
3837 | #endif | |
ef54e1a4 JH |
3838 | s += SIZE32; |
3839 | sv = NEWSV(42, 0); | |
3840 | sv_setiv(sv, (IV)along); | |
3841 | PUSHs(sv_2mortal(sv)); | |
3842 | } | |
a0d0e21e | 3843 | } |
79072805 | 3844 | } |
a0d0e21e LW |
3845 | break; |
3846 | case 'V': | |
3847 | case 'N': | |
3848 | case 'L': | |
726ea183 JH |
3849 | #if LONGSIZE == SIZE32 |
3850 | along = (strend - s) / SIZE32; | |
3851 | #else | |
3852 | unatint = natint && datumtype == 'L'; | |
ef54e1a4 | 3853 | along = (strend - s) / (unatint ? sizeof(unsigned long) : SIZE32); |
726ea183 | 3854 | #endif |
a0d0e21e LW |
3855 | if (len > along) |
3856 | len = along; | |
3857 | if (checksum) { | |
726ea183 | 3858 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3859 | if (unatint) { |
bf9315bb | 3860 | unsigned long aulong; |
ef54e1a4 JH |
3861 | while (len-- > 0) { |
3862 | COPYNN(s, &aulong, sizeof(unsigned long)); | |
3863 | s += sizeof(unsigned long); | |
3864 | if (checksum > 32) | |
65202027 | 3865 | cdouble += (NV)aulong; |
ef54e1a4 JH |
3866 | else |
3867 | culong += aulong; | |
3868 | } | |
3869 | } | |
726ea183 JH |
3870 | else |
3871 | #endif | |
3872 | { | |
ef54e1a4 JH |
3873 | while (len-- > 0) { |
3874 | COPY32(s, &aulong); | |
3875 | s += SIZE32; | |
a0d0e21e | 3876 | #ifdef HAS_NTOHL |
ef54e1a4 JH |
3877 | if (datumtype == 'N') |
3878 | aulong = PerlSock_ntohl(aulong); | |
79072805 | 3879 | #endif |
a0d0e21e | 3880 | #ifdef HAS_VTOHL |
ef54e1a4 JH |
3881 | if (datumtype == 'V') |
3882 | aulong = vtohl(aulong); | |
79072805 | 3883 | #endif |
ef54e1a4 | 3884 | if (checksum > 32) |
65202027 | 3885 | cdouble += (NV)aulong; |
ef54e1a4 JH |
3886 | else |
3887 | culong += aulong; | |
3888 | } | |
a0d0e21e LW |
3889 | } |
3890 | } | |
3891 | else { | |
3892 | EXTEND(SP, len); | |
bbce6d69 | 3893 | EXTEND_MORTAL(len); |
726ea183 | 3894 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3895 | if (unatint) { |
bf9315bb | 3896 | unsigned long aulong; |
ef54e1a4 JH |
3897 | while (len-- > 0) { |
3898 | COPYNN(s, &aulong, sizeof(unsigned long)); | |
3899 | s += sizeof(unsigned long); | |
3900 | sv = NEWSV(43, 0); | |
3901 | sv_setuv(sv, (UV)aulong); | |
3902 | PUSHs(sv_2mortal(sv)); | |
3903 | } | |
3904 | } | |
726ea183 JH |
3905 | else |
3906 | #endif | |
3907 | { | |
ef54e1a4 JH |
3908 | while (len-- > 0) { |
3909 | COPY32(s, &aulong); | |
3910 | s += SIZE32; | |
a0d0e21e | 3911 | #ifdef HAS_NTOHL |
ef54e1a4 JH |
3912 | if (datumtype == 'N') |
3913 | aulong = PerlSock_ntohl(aulong); | |
79072805 | 3914 | #endif |
a0d0e21e | 3915 | #ifdef HAS_VTOHL |
ef54e1a4 JH |
3916 | if (datumtype == 'V') |
3917 | aulong = vtohl(aulong); | |
79072805 | 3918 | #endif |
ef54e1a4 JH |
3919 | sv = NEWSV(43, 0); |
3920 | sv_setuv(sv, (UV)aulong); | |
3921 | PUSHs(sv_2mortal(sv)); | |
3922 | } | |
a0d0e21e LW |
3923 | } |
3924 | } | |
3925 | break; | |
3926 | case 'p': | |
3927 | along = (strend - s) / sizeof(char*); | |
3928 | if (len > along) | |
3929 | len = along; | |
3930 | EXTEND(SP, len); | |
bbce6d69 | 3931 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3932 | while (len-- > 0) { |
3933 | if (sizeof(char*) > strend - s) | |
3934 | break; | |
3935 | else { | |
3936 | Copy(s, &aptr, 1, char*); | |
3937 | s += sizeof(char*); | |
3938 | } | |
3939 | sv = NEWSV(44, 0); | |
3940 | if (aptr) | |
3941 | sv_setpv(sv, aptr); | |
3942 | PUSHs(sv_2mortal(sv)); | |
3943 | } | |
3944 | break; | |
def98dd4 | 3945 | case 'w': |
def98dd4 | 3946 | EXTEND(SP, len); |
bbce6d69 | 3947 | EXTEND_MORTAL(len); |
8ec5e241 | 3948 | { |
bbce6d69 | 3949 | UV auv = 0; |
3950 | U32 bytes = 0; | |
3951 | ||
3952 | while ((len > 0) && (s < strend)) { | |
3953 | auv = (auv << 7) | (*s & 0x7f); | |
3954 | if (!(*s++ & 0x80)) { | |
3955 | bytes = 0; | |
3956 | sv = NEWSV(40, 0); | |
3957 | sv_setuv(sv, auv); | |
3958 | PUSHs(sv_2mortal(sv)); | |
3959 | len--; | |
3960 | auv = 0; | |
3961 | } | |
3962 | else if (++bytes >= sizeof(UV)) { /* promote to string */ | |
bbce6d69 | 3963 | char *t; |
2d8e6c8d | 3964 | STRLEN n_a; |
bbce6d69 | 3965 | |
cea2e8a9 | 3966 | sv = Perl_newSVpvf(aTHX_ "%.*Vu", (int)TYPE_DIGITS(UV), auv); |
bbce6d69 | 3967 | while (s < strend) { |
3968 | sv = mul128(sv, *s & 0x7f); | |
3969 | if (!(*s++ & 0x80)) { | |
3970 | bytes = 0; | |
3971 | break; | |
3972 | } | |
3973 | } | |
2d8e6c8d | 3974 | t = SvPV(sv, n_a); |
bbce6d69 | 3975 | while (*t == '0') |
3976 | t++; | |
3977 | sv_chop(sv, t); | |
3978 | PUSHs(sv_2mortal(sv)); | |
3979 | len--; | |
3980 | auv = 0; | |
3981 | } | |
3982 | } | |
3983 | if ((s >= strend) && bytes) | |
cea2e8a9 | 3984 | Perl_croak(aTHX_ "Unterminated compressed integer"); |
bbce6d69 | 3985 | } |
def98dd4 | 3986 | break; |
a0d0e21e LW |
3987 | case 'P': |
3988 | EXTEND(SP, 1); | |
3989 | if (sizeof(char*) > strend - s) | |
3990 | break; | |
3991 | else { | |
3992 | Copy(s, &aptr, 1, char*); | |
3993 | s += sizeof(char*); | |
3994 | } | |
3995 | sv = NEWSV(44, 0); | |
3996 | if (aptr) | |
3997 | sv_setpvn(sv, aptr, len); | |
3998 | PUSHs(sv_2mortal(sv)); | |
3999 | break; | |
ecfc5424 | 4000 | #ifdef HAS_QUAD |
a0d0e21e | 4001 | case 'q': |
d4217c7e JH |
4002 | along = (strend - s) / sizeof(Quad_t); |
4003 | if (len > along) | |
4004 | len = along; | |
a0d0e21e | 4005 | EXTEND(SP, len); |
bbce6d69 | 4006 | EXTEND_MORTAL(len); |
a0d0e21e | 4007 | while (len-- > 0) { |
ecfc5424 | 4008 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e LW |
4009 | aquad = 0; |
4010 | else { | |
ecfc5424 AD |
4011 | Copy(s, &aquad, 1, Quad_t); |
4012 | s += sizeof(Quad_t); | |
a0d0e21e LW |
4013 | } |
4014 | sv = NEWSV(42, 0); | |
96e4d5b1 | 4015 | if (aquad >= IV_MIN && aquad <= IV_MAX) |
4016 | sv_setiv(sv, (IV)aquad); | |
4017 | else | |
65202027 | 4018 | sv_setnv(sv, (NV)aquad); |
a0d0e21e LW |
4019 | PUSHs(sv_2mortal(sv)); |
4020 | } | |
4021 | break; | |
4022 | case 'Q': | |
d4217c7e JH |
4023 | along = (strend - s) / sizeof(Quad_t); |
4024 | if (len > along) | |
4025 | len = along; | |
a0d0e21e | 4026 | EXTEND(SP, len); |
bbce6d69 | 4027 | EXTEND_MORTAL(len); |
a0d0e21e | 4028 | while (len-- > 0) { |
e862df63 | 4029 | if (s + sizeof(Uquad_t) > strend) |
a0d0e21e LW |
4030 | auquad = 0; |
4031 | else { | |
e862df63 HB |
4032 | Copy(s, &auquad, 1, Uquad_t); |
4033 | s += sizeof(Uquad_t); | |
a0d0e21e LW |
4034 | } |
4035 | sv = NEWSV(43, 0); | |
27612d38 | 4036 | if (auquad <= UV_MAX) |
96e4d5b1 | 4037 | sv_setuv(sv, (UV)auquad); |
4038 | else | |
65202027 | 4039 | sv_setnv(sv, (NV)auquad); |
a0d0e21e LW |
4040 | PUSHs(sv_2mortal(sv)); |
4041 | } | |
4042 | break; | |
79072805 | 4043 | #endif |
a0d0e21e LW |
4044 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
4045 | case 'f': | |
4046 | case 'F': | |
4047 | along = (strend - s) / sizeof(float); | |
4048 | if (len > along) | |
4049 | len = along; | |
4050 | if (checksum) { | |
4051 | while (len-- > 0) { | |
4052 | Copy(s, &afloat, 1, float); | |
4053 | s += sizeof(float); | |
4054 | cdouble += afloat; | |
4055 | } | |
4056 | } | |
4057 | else { | |
4058 | EXTEND(SP, len); | |
bbce6d69 | 4059 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4060 | while (len-- > 0) { |
4061 | Copy(s, &afloat, 1, float); | |
4062 | s += sizeof(float); | |
4063 | sv = NEWSV(47, 0); | |
65202027 | 4064 | sv_setnv(sv, (NV)afloat); |
a0d0e21e LW |
4065 | PUSHs(sv_2mortal(sv)); |
4066 | } | |
4067 | } | |
4068 | break; | |
4069 | case 'd': | |
4070 | case 'D': | |
4071 | along = (strend - s) / sizeof(double); | |
4072 | if (len > along) | |
4073 | len = along; | |
4074 | if (checksum) { | |
4075 | while (len-- > 0) { | |
4076 | Copy(s, &adouble, 1, double); | |
4077 | s += sizeof(double); | |
4078 | cdouble += adouble; | |
4079 | } | |
4080 | } | |
4081 | else { | |
4082 | EXTEND(SP, len); | |
bbce6d69 | 4083 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4084 | while (len-- > 0) { |
4085 | Copy(s, &adouble, 1, double); | |
4086 | s += sizeof(double); | |
4087 | sv = NEWSV(48, 0); | |
65202027 | 4088 | sv_setnv(sv, (NV)adouble); |
a0d0e21e LW |
4089 | PUSHs(sv_2mortal(sv)); |
4090 | } | |
4091 | } | |
4092 | break; | |
4093 | case 'u': | |
9d116dd7 JH |
4094 | /* MKS: |
4095 | * Initialise the decode mapping. By using a table driven | |
4096 | * algorithm, the code will be character-set independent | |
4097 | * (and just as fast as doing character arithmetic) | |
4098 | */ | |
80252599 | 4099 | if (PL_uudmap['M'] == 0) { |
9d116dd7 JH |
4100 | int i; |
4101 | ||
80252599 GS |
4102 | for (i = 0; i < sizeof(PL_uuemap); i += 1) |
4103 | PL_uudmap[PL_uuemap[i]] = i; | |
9d116dd7 JH |
4104 | /* |
4105 | * Because ' ' and '`' map to the same value, | |
4106 | * we need to decode them both the same. | |
4107 | */ | |
80252599 | 4108 | PL_uudmap[' '] = 0; |
9d116dd7 JH |
4109 | } |
4110 | ||
a0d0e21e LW |
4111 | along = (strend - s) * 3 / 4; |
4112 | sv = NEWSV(42, along); | |
f12c7020 | 4113 | if (along) |
4114 | SvPOK_on(sv); | |
9d116dd7 | 4115 | while (s < strend && *s > ' ' && ISUUCHAR(*s)) { |
a0d0e21e LW |
4116 | I32 a, b, c, d; |
4117 | char hunk[4]; | |
79072805 | 4118 | |
a0d0e21e | 4119 | hunk[3] = '\0'; |
80252599 | 4120 | len = PL_uudmap[*s++] & 077; |
a0d0e21e | 4121 | while (len > 0) { |
9d116dd7 | 4122 | if (s < strend && ISUUCHAR(*s)) |
80252599 | 4123 | a = PL_uudmap[*s++] & 077; |
9d116dd7 JH |
4124 | else |
4125 | a = 0; | |
4126 | if (s < strend && ISUUCHAR(*s)) | |
80252599 | 4127 | b = PL_uudmap[*s++] & 077; |
9d116dd7 JH |
4128 | else |
4129 | b = 0; | |
4130 | if (s < strend && ISUUCHAR(*s)) | |
80252599 | 4131 | c = PL_uudmap[*s++] & 077; |
9d116dd7 JH |
4132 | else |
4133 | c = 0; | |
4134 | if (s < strend && ISUUCHAR(*s)) | |
80252599 | 4135 | d = PL_uudmap[*s++] & 077; |
a0d0e21e LW |
4136 | else |
4137 | d = 0; | |
4e35701f NIS |
4138 | hunk[0] = (a << 2) | (b >> 4); |
4139 | hunk[1] = (b << 4) | (c >> 2); | |
4140 | hunk[2] = (c << 6) | d; | |
4141 | sv_catpvn(sv, hunk, (len > 3) ? 3 : len); | |
a0d0e21e LW |
4142 | len -= 3; |
4143 | } | |
4144 | if (*s == '\n') | |
4145 | s++; | |
4146 | else if (s[1] == '\n') /* possible checksum byte */ | |
4147 | s += 2; | |
79072805 | 4148 | } |
a0d0e21e LW |
4149 | XPUSHs(sv_2mortal(sv)); |
4150 | break; | |
79072805 | 4151 | } |
a0d0e21e LW |
4152 | if (checksum) { |
4153 | sv = NEWSV(42, 0); | |
4154 | if (strchr("fFdD", datumtype) || | |
32d8b6e5 | 4155 | (checksum > 32 && strchr("iIlLNU", datumtype)) ) { |
65202027 | 4156 | NV trouble; |
79072805 | 4157 | |
a0d0e21e LW |
4158 | adouble = 1.0; |
4159 | while (checksum >= 16) { | |
4160 | checksum -= 16; | |
4161 | adouble *= 65536.0; | |
4162 | } | |
4163 | while (checksum >= 4) { | |
4164 | checksum -= 4; | |
4165 | adouble *= 16.0; | |
4166 | } | |
4167 | while (checksum--) | |
4168 | adouble *= 2.0; | |
4169 | along = (1 << checksum) - 1; | |
4170 | while (cdouble < 0.0) | |
4171 | cdouble += adouble; | |
65202027 | 4172 | cdouble = Perl_modf(cdouble / adouble, &trouble) * adouble; |
a0d0e21e LW |
4173 | sv_setnv(sv, cdouble); |
4174 | } | |
4175 | else { | |
4176 | if (checksum < 32) { | |
96e4d5b1 | 4177 | aulong = (1 << checksum) - 1; |
4178 | culong &= aulong; | |
a0d0e21e | 4179 | } |
96e4d5b1 | 4180 | sv_setuv(sv, (UV)culong); |
a0d0e21e LW |
4181 | } |
4182 | XPUSHs(sv_2mortal(sv)); | |
4183 | checksum = 0; | |
79072805 | 4184 | } |
79072805 | 4185 | } |
924508f0 | 4186 | if (SP == oldsp && gimme == G_SCALAR) |
3280af22 | 4187 | PUSHs(&PL_sv_undef); |
79072805 | 4188 | RETURN; |
79072805 LW |
4189 | } |
4190 | ||
76e3520e | 4191 | STATIC void |
cea2e8a9 | 4192 | S_doencodes(pTHX_ register SV *sv, register char *s, register I32 len) |
79072805 | 4193 | { |
a0d0e21e | 4194 | char hunk[5]; |
79072805 | 4195 | |
80252599 | 4196 | *hunk = PL_uuemap[len]; |
a0d0e21e LW |
4197 | sv_catpvn(sv, hunk, 1); |
4198 | hunk[4] = '\0'; | |
f264d472 | 4199 | while (len > 2) { |
80252599 GS |
4200 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
4201 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017)))]; | |
4202 | hunk[2] = PL_uuemap[(077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)))]; | |
4203 | hunk[3] = PL_uuemap[(077 & (s[2] & 077))]; | |
a0d0e21e LW |
4204 | sv_catpvn(sv, hunk, 4); |
4205 | s += 3; | |
4206 | len -= 3; | |
4207 | } | |
f264d472 GS |
4208 | if (len > 0) { |
4209 | char r = (len > 1 ? s[1] : '\0'); | |
80252599 GS |
4210 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
4211 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((r >> 4) & 017)))]; | |
4212 | hunk[2] = PL_uuemap[(077 & ((r << 2) & 074))]; | |
4213 | hunk[3] = PL_uuemap[0]; | |
f264d472 | 4214 | sv_catpvn(sv, hunk, 4); |
a0d0e21e LW |
4215 | } |
4216 | sv_catpvn(sv, "\n", 1); | |
79072805 LW |
4217 | } |
4218 | ||
79cb57f6 | 4219 | STATIC SV * |
cea2e8a9 | 4220 | S_is_an_int(pTHX_ char *s, STRLEN l) |
55497cff | 4221 | { |
2d8e6c8d | 4222 | STRLEN n_a; |
79cb57f6 | 4223 | SV *result = newSVpvn(s, l); |
2d8e6c8d | 4224 | char *result_c = SvPV(result, n_a); /* convenience */ |
55497cff | 4225 | char *out = result_c; |
4226 | bool skip = 1; | |
4227 | bool ignore = 0; | |
4228 | ||
4229 | while (*s) { | |
4230 | switch (*s) { | |
4231 | case ' ': | |
4232 | break; | |
4233 | case '+': | |
4234 | if (!skip) { | |
4235 | SvREFCNT_dec(result); | |
4236 | return (NULL); | |
4237 | } | |
4238 | break; | |
4239 | case '0': | |
4240 | case '1': | |
4241 | case '2': | |
4242 | case '3': | |
4243 | case '4': | |
4244 | case '5': | |
4245 | case '6': | |
4246 | case '7': | |
4247 | case '8': | |
4248 | case '9': | |
4249 | skip = 0; | |
4250 | if (!ignore) { | |
4251 | *(out++) = *s; | |
4252 | } | |
4253 | break; | |
4254 | case '.': | |
4255 | ignore = 1; | |
4256 | break; | |
4257 | default: | |
4258 | SvREFCNT_dec(result); | |
4259 | return (NULL); | |
4260 | } | |
4261 | s++; | |
4262 | } | |
4263 | *(out++) = '\0'; | |
4264 | SvCUR_set(result, out - result_c); | |
4265 | return (result); | |
4266 | } | |
4267 | ||
864dbfa3 | 4268 | /* pnum must be '\0' terminated */ |
76e3520e | 4269 | STATIC int |
cea2e8a9 | 4270 | S_div128(pTHX_ SV *pnum, bool *done) |
55497cff | 4271 | { |
4272 | STRLEN len; | |
4273 | char *s = SvPV(pnum, len); | |
4274 | int m = 0; | |
4275 | int r = 0; | |
4276 | char *t = s; | |
4277 | ||
4278 | *done = 1; | |
4279 | while (*t) { | |
4280 | int i; | |
4281 | ||
4282 | i = m * 10 + (*t - '0'); | |
4283 | m = i & 0x7F; | |
4284 | r = (i >> 7); /* r < 10 */ | |
4285 | if (r) { | |
4286 | *done = 0; | |
4287 | } | |
4288 | *(t++) = '0' + r; | |
4289 | } | |
4290 | *(t++) = '\0'; | |
4291 | SvCUR_set(pnum, (STRLEN) (t - s)); | |
4292 | return (m); | |
4293 | } | |
4294 | ||
4295 | ||
a0d0e21e | 4296 | PP(pp_pack) |
79072805 | 4297 | { |
4e35701f | 4298 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
4299 | register SV *cat = TARG; |
4300 | register I32 items; | |
4301 | STRLEN fromlen; | |
4302 | register char *pat = SvPVx(*++MARK, fromlen); | |
4303 | register char *patend = pat + fromlen; | |
4304 | register I32 len; | |
4305 | I32 datumtype; | |
4306 | SV *fromstr; | |
4307 | /*SUPPRESS 442*/ | |
4308 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; | |
4309 | static char *space10 = " "; | |
79072805 | 4310 | |
a0d0e21e LW |
4311 | /* These must not be in registers: */ |
4312 | char achar; | |
4313 | I16 ashort; | |
4314 | int aint; | |
4315 | unsigned int auint; | |
4316 | I32 along; | |
4317 | U32 aulong; | |
ecfc5424 AD |
4318 | #ifdef HAS_QUAD |
4319 | Quad_t aquad; | |
e862df63 | 4320 | Uquad_t auquad; |
79072805 | 4321 | #endif |
a0d0e21e LW |
4322 | char *aptr; |
4323 | float afloat; | |
4324 | double adouble; | |
fb73857a | 4325 | int commas = 0; |
726ea183 | 4326 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 4327 | int natint; /* native integer */ |
726ea183 | 4328 | #endif |
79072805 | 4329 | |
a0d0e21e LW |
4330 | items = SP - MARK; |
4331 | MARK++; | |
4332 | sv_setpvn(cat, "", 0); | |
4333 | while (pat < patend) { | |
43192e07 IP |
4334 | SV *lengthcode = Nullsv; |
4335 | #define NEXTFROM ( lengthcode ? lengthcode : items-- > 0 ? *MARK++ : &PL_sv_no) | |
bbdab043 | 4336 | datumtype = *pat++ & 0xFF; |
726ea183 | 4337 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 4338 | natint = 0; |
726ea183 | 4339 | #endif |
bbdab043 CS |
4340 | if (isSPACE(datumtype)) |
4341 | continue; | |
f61d411c | 4342 | if (*pat == '!') { |
ef54e1a4 JH |
4343 | char *natstr = "sSiIlL"; |
4344 | ||
4345 | if (strchr(natstr, datumtype)) { | |
726ea183 | 4346 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 4347 | natint = 1; |
726ea183 | 4348 | #endif |
ef54e1a4 JH |
4349 | pat++; |
4350 | } | |
4351 | else | |
cea2e8a9 | 4352 | Perl_croak(aTHX_ "'!' allowed only after types %s", natstr); |
ef54e1a4 | 4353 | } |
a0d0e21e LW |
4354 | if (*pat == '*') { |
4355 | len = strchr("@Xxu", datumtype) ? 0 : items; | |
4356 | pat++; | |
4357 | } | |
4358 | else if (isDIGIT(*pat)) { | |
4359 | len = *pat++ - '0'; | |
06387354 | 4360 | while (isDIGIT(*pat)) { |
a0d0e21e | 4361 | len = (len * 10) + (*pat++ - '0'); |
06387354 NT |
4362 | if (len < 0) |
4363 | Perl_croak(aTHX_ "Repeat count in pack overflows"); | |
4364 | } | |
a0d0e21e LW |
4365 | } |
4366 | else | |
4367 | len = 1; | |
43192e07 IP |
4368 | if (*pat == '#') { |
4369 | ++pat; | |
4370 | if (*pat != 'a' && *pat != 'A' && *pat != 'Z' || pat[1] != '*') | |
4371 | DIE(aTHX_ "# must be followed by a*, A* or Z*"); | |
4372 | lengthcode = sv_2mortal(newSViv(sv_len(items > 0 | |
4373 | ? *MARK : &PL_sv_no))); | |
4374 | } | |
a0d0e21e LW |
4375 | switch(datumtype) { |
4376 | default: | |
cea2e8a9 | 4377 | Perl_croak(aTHX_ "Invalid type in pack: '%c'", (int)datumtype); |
fb73857a | 4378 | case ',': /* grandfather in commas but with a warning */ |
599cee73 | 4379 | if (commas++ == 0 && ckWARN(WARN_UNSAFE)) |
43192e07 IP |
4380 | Perl_warner(aTHX_ WARN_UNSAFE, |
4381 | "Invalid type in pack: '%c'", (int)datumtype); | |
fb73857a | 4382 | break; |
a0d0e21e | 4383 | case '%': |
cea2e8a9 | 4384 | DIE(aTHX_ "%% may only be used in unpack"); |
a0d0e21e LW |
4385 | case '@': |
4386 | len -= SvCUR(cat); | |
4387 | if (len > 0) | |
4388 | goto grow; | |
4389 | len = -len; | |
4390 | if (len > 0) | |
4391 | goto shrink; | |
4392 | break; | |
4393 | case 'X': | |
4394 | shrink: | |
4395 | if (SvCUR(cat) < len) | |
cea2e8a9 | 4396 | DIE(aTHX_ "X outside of string"); |
a0d0e21e LW |
4397 | SvCUR(cat) -= len; |
4398 | *SvEND(cat) = '\0'; | |
4399 | break; | |
4400 | case 'x': | |
4401 | grow: | |
4402 | while (len >= 10) { | |
4403 | sv_catpvn(cat, null10, 10); | |
4404 | len -= 10; | |
4405 | } | |
4406 | sv_catpvn(cat, null10, len); | |
4407 | break; | |
4408 | case 'A': | |
5a929a98 | 4409 | case 'Z': |
a0d0e21e LW |
4410 | case 'a': |
4411 | fromstr = NEXTFROM; | |
4412 | aptr = SvPV(fromstr, fromlen); | |
4413 | if (pat[-1] == '*') | |
4414 | len = fromlen; | |
4415 | if (fromlen > len) | |
4416 | sv_catpvn(cat, aptr, len); | |
4417 | else { | |
4418 | sv_catpvn(cat, aptr, fromlen); | |
4419 | len -= fromlen; | |
4420 | if (datumtype == 'A') { | |
4421 | while (len >= 10) { | |
4422 | sv_catpvn(cat, space10, 10); | |
4423 | len -= 10; | |
4424 | } | |
4425 | sv_catpvn(cat, space10, len); | |
4426 | } | |
4427 | else { | |
4428 | while (len >= 10) { | |
4429 | sv_catpvn(cat, null10, 10); | |
4430 | len -= 10; | |
4431 | } | |
4432 | sv_catpvn(cat, null10, len); | |
4433 | } | |
4434 | } | |
4435 | break; | |
4436 | case 'B': | |
4437 | case 'b': | |
4438 | { | |
4439 | char *savepat = pat; | |
4440 | I32 saveitems; | |
79072805 | 4441 | |
a0d0e21e LW |
4442 | fromstr = NEXTFROM; |
4443 | saveitems = items; | |
4444 | aptr = SvPV(fromstr, fromlen); | |
4445 | if (pat[-1] == '*') | |
4446 | len = fromlen; | |
4447 | pat = aptr; | |
4448 | aint = SvCUR(cat); | |
4449 | SvCUR(cat) += (len+7)/8; | |
4450 | SvGROW(cat, SvCUR(cat) + 1); | |
4451 | aptr = SvPVX(cat) + aint; | |
4452 | if (len > fromlen) | |
4453 | len = fromlen; | |
4454 | aint = len; | |
4455 | items = 0; | |
4456 | if (datumtype == 'B') { | |
4457 | for (len = 0; len++ < aint;) { | |
4458 | items |= *pat++ & 1; | |
4459 | if (len & 7) | |
4460 | items <<= 1; | |
4461 | else { | |
4462 | *aptr++ = items & 0xff; | |
4463 | items = 0; | |
4464 | } | |
4465 | } | |
4466 | } | |
4467 | else { | |
4468 | for (len = 0; len++ < aint;) { | |
4469 | if (*pat++ & 1) | |
4470 | items |= 128; | |
4471 | if (len & 7) | |
4472 | items >>= 1; | |
4473 | else { | |
4474 | *aptr++ = items & 0xff; | |
4475 | items = 0; | |
4476 | } | |
4477 | } | |
4478 | } | |
4479 | if (aint & 7) { | |
4480 | if (datumtype == 'B') | |
4481 | items <<= 7 - (aint & 7); | |
4482 | else | |
4483 | items >>= 7 - (aint & 7); | |
4484 | *aptr++ = items & 0xff; | |
4485 | } | |
4486 | pat = SvPVX(cat) + SvCUR(cat); | |
4487 | while (aptr <= pat) | |
4488 | *aptr++ = '\0'; | |
79072805 | 4489 | |
a0d0e21e LW |
4490 | pat = savepat; |
4491 | items = saveitems; | |
4492 | } | |
4493 | break; | |
4494 | case 'H': | |
4495 | case 'h': | |
4496 | { | |
4497 | char *savepat = pat; | |
4498 | I32 saveitems; | |
79072805 | 4499 | |
a0d0e21e LW |
4500 | fromstr = NEXTFROM; |
4501 | saveitems = items; | |
4502 | aptr = SvPV(fromstr, fromlen); | |
4503 | if (pat[-1] == '*') | |
4504 | len = fromlen; | |
4505 | pat = aptr; | |
4506 | aint = SvCUR(cat); | |
4507 | SvCUR(cat) += (len+1)/2; | |
4508 | SvGROW(cat, SvCUR(cat) + 1); | |
4509 | aptr = SvPVX(cat) + aint; | |
4510 | if (len > fromlen) | |
4511 | len = fromlen; | |
4512 | aint = len; | |
4513 | items = 0; | |
4514 | if (datumtype == 'H') { | |
4515 | for (len = 0; len++ < aint;) { | |
4516 | if (isALPHA(*pat)) | |
4517 | items |= ((*pat++ & 15) + 9) & 15; | |
4518 | else | |
4519 | items |= *pat++ & 15; | |
4520 | if (len & 1) | |
4521 | items <<= 4; | |
4522 | else { | |
4523 | *aptr++ = items & 0xff; | |
4524 | items = 0; | |
4525 | } | |
4526 | } | |
4527 | } | |
4528 | else { | |
4529 | for (len = 0; len++ < aint;) { | |
4530 | if (isALPHA(*pat)) | |
4531 | items |= (((*pat++ & 15) + 9) & 15) << 4; | |
4532 | else | |
4533 | items |= (*pat++ & 15) << 4; | |
4534 | if (len & 1) | |
4535 | items >>= 4; | |
4536 | else { | |
4537 | *aptr++ = items & 0xff; | |
4538 | items = 0; | |
4539 | } | |
4540 | } | |
4541 | } | |
4542 | if (aint & 1) | |
4543 | *aptr++ = items & 0xff; | |
4544 | pat = SvPVX(cat) + SvCUR(cat); | |
4545 | while (aptr <= pat) | |
4546 | *aptr++ = '\0'; | |
79072805 | 4547 | |
a0d0e21e LW |
4548 | pat = savepat; |
4549 | items = saveitems; | |
4550 | } | |
4551 | break; | |
4552 | case 'C': | |
4553 | case 'c': | |
4554 | while (len-- > 0) { | |
4555 | fromstr = NEXTFROM; | |
4556 | aint = SvIV(fromstr); | |
4557 | achar = aint; | |
4558 | sv_catpvn(cat, &achar, sizeof(char)); | |
4559 | } | |
4560 | break; | |
a0ed51b3 LW |
4561 | case 'U': |
4562 | while (len-- > 0) { | |
4563 | fromstr = NEXTFROM; | |
4564 | auint = SvUV(fromstr); | |
4565 | SvGROW(cat, SvCUR(cat) + 10); | |
dfe13c55 GS |
4566 | SvCUR_set(cat, (char*)uv_to_utf8((U8*)SvEND(cat),auint) |
4567 | - SvPVX(cat)); | |
a0ed51b3 LW |
4568 | } |
4569 | *SvEND(cat) = '\0'; | |
4570 | break; | |
a0d0e21e LW |
4571 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
4572 | case 'f': | |
4573 | case 'F': | |
4574 | while (len-- > 0) { | |
4575 | fromstr = NEXTFROM; | |
4576 | afloat = (float)SvNV(fromstr); | |
4577 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); | |
4578 | } | |
4579 | break; | |
4580 | case 'd': | |
4581 | case 'D': | |
4582 | while (len-- > 0) { | |
4583 | fromstr = NEXTFROM; | |
4584 | adouble = (double)SvNV(fromstr); | |
4585 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); | |
4586 | } | |
4587 | break; | |
4588 | case 'n': | |
4589 | while (len-- > 0) { | |
4590 | fromstr = NEXTFROM; | |
4591 | ashort = (I16)SvIV(fromstr); | |
4592 | #ifdef HAS_HTONS | |
6ad3d225 | 4593 | ashort = PerlSock_htons(ashort); |
79072805 | 4594 | #endif |
96e4d5b1 | 4595 | CAT16(cat, &ashort); |
a0d0e21e LW |
4596 | } |
4597 | break; | |
4598 | case 'v': | |
4599 | while (len-- > 0) { | |
4600 | fromstr = NEXTFROM; | |
4601 | ashort = (I16)SvIV(fromstr); | |
4602 | #ifdef HAS_HTOVS | |
4603 | ashort = htovs(ashort); | |
79072805 | 4604 | #endif |
96e4d5b1 | 4605 | CAT16(cat, &ashort); |
a0d0e21e LW |
4606 | } |
4607 | break; | |
4608 | case 'S': | |
726ea183 | 4609 | #if SHORTSIZE != SIZE16 |
ef54e1a4 JH |
4610 | if (natint) { |
4611 | unsigned short aushort; | |
4612 | ||
4613 | while (len-- > 0) { | |
4614 | fromstr = NEXTFROM; | |
4615 | aushort = SvUV(fromstr); | |
4616 | sv_catpvn(cat, (char *)&aushort, sizeof(unsigned short)); | |
4617 | } | |
4618 | } | |
726ea183 JH |
4619 | else |
4620 | #endif | |
4621 | { | |
ef54e1a4 JH |
4622 | U16 aushort; |
4623 | ||
4624 | while (len-- > 0) { | |
4625 | fromstr = NEXTFROM; | |
726ea183 | 4626 | aushort = (U16)SvUV(fromstr); |
ef54e1a4 JH |
4627 | CAT16(cat, &aushort); |
4628 | } | |
726ea183 | 4629 | |
ef54e1a4 JH |
4630 | } |
4631 | break; | |
a0d0e21e | 4632 | case 's': |
c67712b2 | 4633 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 4634 | if (natint) { |
bf9315bb GS |
4635 | short ashort; |
4636 | ||
ef54e1a4 JH |
4637 | while (len-- > 0) { |
4638 | fromstr = NEXTFROM; | |
4639 | ashort = SvIV(fromstr); | |
4640 | sv_catpvn(cat, (char *)&ashort, sizeof(short)); | |
4641 | } | |
4642 | } | |
726ea183 JH |
4643 | else |
4644 | #endif | |
4645 | { | |
ef54e1a4 JH |
4646 | while (len-- > 0) { |
4647 | fromstr = NEXTFROM; | |
4648 | ashort = (I16)SvIV(fromstr); | |
4649 | CAT16(cat, &ashort); | |
4650 | } | |
a0d0e21e LW |
4651 | } |
4652 | break; | |
4653 | case 'I': | |
4654 | while (len-- > 0) { | |
4655 | fromstr = NEXTFROM; | |
96e4d5b1 | 4656 | auint = SvUV(fromstr); |
a0d0e21e LW |
4657 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
4658 | } | |
4659 | break; | |
def98dd4 UP |
4660 | case 'w': |
4661 | while (len-- > 0) { | |
bbce6d69 | 4662 | fromstr = NEXTFROM; |
65202027 | 4663 | adouble = Perl_floor(SvNV(fromstr)); |
bbce6d69 | 4664 | |
4665 | if (adouble < 0) | |
cea2e8a9 | 4666 | Perl_croak(aTHX_ "Cannot compress negative numbers"); |
bbce6d69 | 4667 | |
46fc3d4c | 4668 | if ( |
4669 | #ifdef BW_BITS | |
4670 | adouble <= BW_MASK | |
4671 | #else | |
ef2d312d TH |
4672 | #ifdef CXUX_BROKEN_CONSTANT_CONVERT |
4673 | adouble <= UV_MAX_cxux | |
4674 | #else | |
46fc3d4c | 4675 | adouble <= UV_MAX |
4676 | #endif | |
ef2d312d | 4677 | #endif |
46fc3d4c | 4678 | ) |
4679 | { | |
bbce6d69 | 4680 | char buf[1 + sizeof(UV)]; |
4681 | char *in = buf + sizeof(buf); | |
db7c17d7 | 4682 | UV auv = U_V(adouble); |
bbce6d69 | 4683 | |
4684 | do { | |
4685 | *--in = (auv & 0x7f) | 0x80; | |
4686 | auv >>= 7; | |
4687 | } while (auv); | |
4688 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
4689 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
4690 | } | |
4691 | else if (SvPOKp(fromstr)) { /* decimal string arithmetics */ | |
4692 | char *from, *result, *in; | |
4693 | SV *norm; | |
4694 | STRLEN len; | |
4695 | bool done; | |
8ec5e241 | 4696 | |
bbce6d69 | 4697 | /* Copy string and check for compliance */ |
4698 | from = SvPV(fromstr, len); | |
4699 | if ((norm = is_an_int(from, len)) == NULL) | |
cea2e8a9 | 4700 | Perl_croak(aTHX_ "can compress only unsigned integer"); |
bbce6d69 | 4701 | |
4702 | New('w', result, len, char); | |
4703 | in = result + len; | |
4704 | done = FALSE; | |
4705 | while (!done) | |
4706 | *--in = div128(norm, &done) | 0x80; | |
4707 | result[len - 1] &= 0x7F; /* clear continue bit */ | |
4708 | sv_catpvn(cat, in, (result + len) - in); | |
5f05dabc | 4709 | Safefree(result); |
bbce6d69 | 4710 | SvREFCNT_dec(norm); /* free norm */ |
def98dd4 | 4711 | } |
bbce6d69 | 4712 | else if (SvNOKp(fromstr)) { |
4713 | char buf[sizeof(double) * 2]; /* 8/7 <= 2 */ | |
4714 | char *in = buf + sizeof(buf); | |
4715 | ||
4716 | do { | |
4717 | double next = floor(adouble / 128); | |
4718 | *--in = (unsigned char)(adouble - (next * 128)) | 0x80; | |
4719 | if (--in < buf) /* this cannot happen ;-) */ | |
cea2e8a9 | 4720 | Perl_croak(aTHX_ "Cannot compress integer"); |
bbce6d69 | 4721 | adouble = next; |
4722 | } while (adouble > 0); | |
4723 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
4724 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
4725 | } | |
4726 | else | |
cea2e8a9 | 4727 | Perl_croak(aTHX_ "Cannot compress non integer"); |
bbce6d69 | 4728 | } |
def98dd4 | 4729 | break; |
a0d0e21e LW |
4730 | case 'i': |
4731 | while (len-- > 0) { | |
4732 | fromstr = NEXTFROM; | |
4733 | aint = SvIV(fromstr); | |
4734 | sv_catpvn(cat, (char*)&aint, sizeof(int)); | |
4735 | } | |
4736 | break; | |
4737 | case 'N': | |
4738 | while (len-- > 0) { | |
4739 | fromstr = NEXTFROM; | |
96e4d5b1 | 4740 | aulong = SvUV(fromstr); |
a0d0e21e | 4741 | #ifdef HAS_HTONL |
6ad3d225 | 4742 | aulong = PerlSock_htonl(aulong); |
79072805 | 4743 | #endif |
96e4d5b1 | 4744 | CAT32(cat, &aulong); |
a0d0e21e LW |
4745 | } |
4746 | break; | |
4747 | case 'V': | |
4748 | while (len-- > 0) { | |
4749 | fromstr = NEXTFROM; | |
96e4d5b1 | 4750 | aulong = SvUV(fromstr); |
a0d0e21e LW |
4751 | #ifdef HAS_HTOVL |
4752 | aulong = htovl(aulong); | |
79072805 | 4753 | #endif |
96e4d5b1 | 4754 | CAT32(cat, &aulong); |
a0d0e21e LW |
4755 | } |
4756 | break; | |
4757 | case 'L': | |
726ea183 | 4758 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 4759 | if (natint) { |
bf9315bb GS |
4760 | unsigned long aulong; |
4761 | ||
ef54e1a4 JH |
4762 | while (len-- > 0) { |
4763 | fromstr = NEXTFROM; | |
4764 | aulong = SvUV(fromstr); | |
4765 | sv_catpvn(cat, (char *)&aulong, sizeof(unsigned long)); | |
4766 | } | |
4767 | } | |
726ea183 JH |
4768 | else |
4769 | #endif | |
4770 | { | |
ef54e1a4 JH |
4771 | while (len-- > 0) { |
4772 | fromstr = NEXTFROM; | |
4773 | aulong = SvUV(fromstr); | |
4774 | CAT32(cat, &aulong); | |
4775 | } | |
a0d0e21e LW |
4776 | } |
4777 | break; | |
4778 | case 'l': | |
726ea183 | 4779 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 4780 | if (natint) { |
bf9315bb GS |
4781 | long along; |
4782 | ||
ef54e1a4 JH |
4783 | while (len-- > 0) { |
4784 | fromstr = NEXTFROM; | |
4785 | along = SvIV(fromstr); | |
4786 | sv_catpvn(cat, (char *)&along, sizeof(long)); | |
4787 | } | |
4788 | } | |
726ea183 JH |
4789 | else |
4790 | #endif | |
4791 | { | |
ef54e1a4 JH |
4792 | while (len-- > 0) { |
4793 | fromstr = NEXTFROM; | |
4794 | along = SvIV(fromstr); | |
4795 | CAT32(cat, &along); | |
4796 | } | |
a0d0e21e LW |
4797 | } |
4798 | break; | |
ecfc5424 | 4799 | #ifdef HAS_QUAD |
a0d0e21e LW |
4800 | case 'Q': |
4801 | while (len-- > 0) { | |
4802 | fromstr = NEXTFROM; | |
bf9315bb | 4803 | auquad = (Uquad_t)SvUV(fromstr); |
e862df63 | 4804 | sv_catpvn(cat, (char*)&auquad, sizeof(Uquad_t)); |
a0d0e21e LW |
4805 | } |
4806 | break; | |
4807 | case 'q': | |
4808 | while (len-- > 0) { | |
4809 | fromstr = NEXTFROM; | |
ecfc5424 AD |
4810 | aquad = (Quad_t)SvIV(fromstr); |
4811 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); | |
a0d0e21e LW |
4812 | } |
4813 | break; | |
ecfc5424 | 4814 | #endif /* HAS_QUAD */ |
a0d0e21e LW |
4815 | case 'P': |
4816 | len = 1; /* assume SV is correct length */ | |
4817 | /* FALL THROUGH */ | |
4818 | case 'p': | |
4819 | while (len-- > 0) { | |
4820 | fromstr = NEXTFROM; | |
3280af22 | 4821 | if (fromstr == &PL_sv_undef) |
84902520 | 4822 | aptr = NULL; |
72dbcb4b | 4823 | else { |
2d8e6c8d | 4824 | STRLEN n_a; |
84902520 TB |
4825 | /* XXX better yet, could spirit away the string to |
4826 | * a safe spot and hang on to it until the result | |
4827 | * of pack() (and all copies of the result) are | |
4828 | * gone. | |
4829 | */ | |
599cee73 | 4830 | if (ckWARN(WARN_UNSAFE) && (SvTEMP(fromstr) || SvPADTMP(fromstr))) |
cea2e8a9 | 4831 | Perl_warner(aTHX_ WARN_UNSAFE, |
599cee73 | 4832 | "Attempt to pack pointer to temporary value"); |
84902520 | 4833 | if (SvPOK(fromstr) || SvNIOK(fromstr)) |
2d8e6c8d | 4834 | aptr = SvPV(fromstr,n_a); |
84902520 | 4835 | else |
2d8e6c8d | 4836 | aptr = SvPV_force(fromstr,n_a); |
72dbcb4b | 4837 | } |
a0d0e21e LW |
4838 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
4839 | } | |
4840 | break; | |
4841 | case 'u': | |
4842 | fromstr = NEXTFROM; | |
4843 | aptr = SvPV(fromstr, fromlen); | |
4844 | SvGROW(cat, fromlen * 4 / 3); | |
4845 | if (len <= 1) | |
4846 | len = 45; | |
4847 | else | |
4848 | len = len / 3 * 3; | |
4849 | while (fromlen > 0) { | |
4850 | I32 todo; | |
79072805 | 4851 | |
a0d0e21e LW |
4852 | if (fromlen > len) |
4853 | todo = len; | |
4854 | else | |
4855 | todo = fromlen; | |
4856 | doencodes(cat, aptr, todo); | |
4857 | fromlen -= todo; | |
4858 | aptr += todo; | |
4859 | } | |
4860 | break; | |
4861 | } | |
4862 | } | |
4863 | SvSETMAGIC(cat); | |
4864 | SP = ORIGMARK; | |
4865 | PUSHs(cat); | |
4866 | RETURN; | |
79072805 | 4867 | } |
a0d0e21e | 4868 | #undef NEXTFROM |
79072805 | 4869 | |
8ec5e241 | 4870 | |
a0d0e21e | 4871 | PP(pp_split) |
79072805 | 4872 | { |
4e35701f | 4873 | djSP; dTARG; |
a0d0e21e LW |
4874 | AV *ary; |
4875 | register I32 limit = POPi; /* note, negative is forever */ | |
4876 | SV *sv = POPs; | |
4877 | STRLEN len; | |
4878 | register char *s = SvPV(sv, len); | |
4879 | char *strend = s + len; | |
44a8e56a | 4880 | register PMOP *pm; |
d9f97599 | 4881 | register REGEXP *rx; |
a0d0e21e LW |
4882 | register SV *dstr; |
4883 | register char *m; | |
4884 | I32 iters = 0; | |
4885 | I32 maxiters = (strend - s) + 10; | |
4886 | I32 i; | |
4887 | char *orig; | |
4888 | I32 origlimit = limit; | |
4889 | I32 realarray = 0; | |
4890 | I32 base; | |
3280af22 | 4891 | AV *oldstack = PL_curstack; |
54310121 | 4892 | I32 gimme = GIMME_V; |
3280af22 | 4893 | I32 oldsave = PL_savestack_ix; |
8ec5e241 NIS |
4894 | I32 make_mortal = 1; |
4895 | MAGIC *mg = (MAGIC *) NULL; | |
79072805 | 4896 | |
44a8e56a | 4897 | #ifdef DEBUGGING |
4898 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
4899 | #else | |
4900 | pm = (PMOP*)POPs; | |
4901 | #endif | |
a0d0e21e | 4902 | if (!pm || !s) |
cea2e8a9 | 4903 | DIE(aTHX_ "panic: do_split"); |
d9f97599 | 4904 | rx = pm->op_pmregexp; |
bbce6d69 | 4905 | |
4906 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
4907 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
4908 | ||
a0d0e21e LW |
4909 | if (pm->op_pmreplroot) |
4910 | ary = GvAVn((GV*)pm->op_pmreplroot); | |
4911 | else if (gimme != G_ARRAY) | |
6d4ff0d2 | 4912 | #ifdef USE_THREADS |
533c011a | 4913 | ary = (AV*)PL_curpad[0]; |
6d4ff0d2 | 4914 | #else |
3280af22 | 4915 | ary = GvAVn(PL_defgv); |
6d4ff0d2 | 4916 | #endif /* USE_THREADS */ |
79072805 | 4917 | else |
a0d0e21e LW |
4918 | ary = Nullav; |
4919 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
4920 | realarray = 1; | |
8ec5e241 | 4921 | PUTBACK; |
a0d0e21e LW |
4922 | av_extend(ary,0); |
4923 | av_clear(ary); | |
8ec5e241 | 4924 | SPAGAIN; |
33c27489 | 4925 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
8ec5e241 | 4926 | PUSHMARK(SP); |
33c27489 | 4927 | XPUSHs(SvTIED_obj((SV*)ary, mg)); |
8ec5e241 NIS |
4928 | } |
4929 | else { | |
1c0b011c NIS |
4930 | if (!AvREAL(ary)) { |
4931 | AvREAL_on(ary); | |
abff13bb | 4932 | AvREIFY_off(ary); |
1c0b011c | 4933 | for (i = AvFILLp(ary); i >= 0; i--) |
3280af22 | 4934 | AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */ |
1c0b011c NIS |
4935 | } |
4936 | /* temporarily switch stacks */ | |
3280af22 | 4937 | SWITCHSTACK(PL_curstack, ary); |
8ec5e241 | 4938 | make_mortal = 0; |
1c0b011c | 4939 | } |
79072805 | 4940 | } |
3280af22 | 4941 | base = SP - PL_stack_base; |
a0d0e21e LW |
4942 | orig = s; |
4943 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 4944 | if (pm->op_pmflags & PMf_LOCALE) { |
4945 | while (isSPACE_LC(*s)) | |
4946 | s++; | |
4947 | } | |
4948 | else { | |
4949 | while (isSPACE(*s)) | |
4950 | s++; | |
4951 | } | |
a0d0e21e | 4952 | } |
c07a80fd | 4953 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3280af22 NIS |
4954 | SAVEINT(PL_multiline); |
4955 | PL_multiline = pm->op_pmflags & PMf_MULTILINE; | |
c07a80fd | 4956 | } |
4957 | ||
a0d0e21e LW |
4958 | if (!limit) |
4959 | limit = maxiters + 2; | |
4960 | if (pm->op_pmflags & PMf_WHITE) { | |
4961 | while (--limit) { | |
bbce6d69 | 4962 | m = s; |
4963 | while (m < strend && | |
4964 | !((pm->op_pmflags & PMf_LOCALE) | |
4965 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
4966 | ++m; | |
a0d0e21e LW |
4967 | if (m >= strend) |
4968 | break; | |
bbce6d69 | 4969 | |
a0d0e21e LW |
4970 | dstr = NEWSV(30, m-s); |
4971 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4972 | if (make_mortal) |
a0d0e21e LW |
4973 | sv_2mortal(dstr); |
4974 | XPUSHs(dstr); | |
bbce6d69 | 4975 | |
4976 | s = m + 1; | |
4977 | while (s < strend && | |
4978 | ((pm->op_pmflags & PMf_LOCALE) | |
4979 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
4980 | ++s; | |
79072805 LW |
4981 | } |
4982 | } | |
f4091fba | 4983 | else if (strEQ("^", rx->precomp)) { |
a0d0e21e LW |
4984 | while (--limit) { |
4985 | /*SUPPRESS 530*/ | |
4986 | for (m = s; m < strend && *m != '\n'; m++) ; | |
4987 | m++; | |
4988 | if (m >= strend) | |
4989 | break; | |
4990 | dstr = NEWSV(30, m-s); | |
4991 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 4992 | if (make_mortal) |
a0d0e21e LW |
4993 | sv_2mortal(dstr); |
4994 | XPUSHs(dstr); | |
4995 | s = m; | |
4996 | } | |
4997 | } | |
f722798b | 4998 | else if ((rx->reganch & RE_USE_INTUIT) && !rx->nparens |
d9f97599 GS |
4999 | && (rx->reganch & ROPT_CHECK_ALL) |
5000 | && !(rx->reganch & ROPT_ANCH)) { | |
f722798b IZ |
5001 | int tail = (rx->reganch & RE_INTUIT_TAIL); |
5002 | SV *csv = CALLREG_INTUIT_STRING(aTHX_ rx); | |
5003 | char c; | |
cf93c79d | 5004 | |
ca5b42cb GS |
5005 | len = rx->minlen; |
5006 | if (len == 1 && !tail) { | |
5007 | c = *SvPV(csv,len); | |
a0d0e21e | 5008 | while (--limit) { |
bbce6d69 | 5009 | /*SUPPRESS 530*/ |
f722798b | 5010 | for (m = s; m < strend && *m != c; m++) ; |
a0d0e21e LW |
5011 | if (m >= strend) |
5012 | break; | |
5013 | dstr = NEWSV(30, m-s); | |
5014 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5015 | if (make_mortal) |
a0d0e21e LW |
5016 | sv_2mortal(dstr); |
5017 | XPUSHs(dstr); | |
5018 | s = m + 1; | |
5019 | } | |
5020 | } | |
5021 | else { | |
5022 | #ifndef lint | |
5023 | while (s < strend && --limit && | |
f722798b IZ |
5024 | (m = fbm_instr((unsigned char*)s, (unsigned char*)strend, |
5025 | csv, PL_multiline ? FBMrf_MULTILINE : 0)) ) | |
79072805 | 5026 | #endif |
a0d0e21e LW |
5027 | { |
5028 | dstr = NEWSV(31, m-s); | |
5029 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5030 | if (make_mortal) |
a0d0e21e LW |
5031 | sv_2mortal(dstr); |
5032 | XPUSHs(dstr); | |
ca5b42cb | 5033 | s = m + len; /* Fake \n at the end */ |
a0d0e21e | 5034 | } |
463ee0b2 | 5035 | } |
463ee0b2 | 5036 | } |
a0d0e21e | 5037 | else { |
d9f97599 | 5038 | maxiters += (strend - s) * rx->nparens; |
f722798b IZ |
5039 | while (s < strend && --limit |
5040 | /* && (!rx->check_substr | |
5041 | || ((s = CALLREG_INTUIT_START(aTHX_ rx, sv, s, strend, | |
5042 | 0, NULL)))) | |
5043 | */ && CALLREGEXEC(aTHX_ rx, s, strend, orig, | |
5044 | 1 /* minend */, sv, NULL, 0)) | |
bbce6d69 | 5045 | { |
d9f97599 | 5046 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
cf93c79d | 5047 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
a0d0e21e LW |
5048 | m = s; |
5049 | s = orig; | |
cf93c79d | 5050 | orig = rx->subbeg; |
a0d0e21e LW |
5051 | s = orig + (m - s); |
5052 | strend = s + (strend - m); | |
5053 | } | |
cf93c79d | 5054 | m = rx->startp[0] + orig; |
a0d0e21e LW |
5055 | dstr = NEWSV(32, m-s); |
5056 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5057 | if (make_mortal) |
a0d0e21e LW |
5058 | sv_2mortal(dstr); |
5059 | XPUSHs(dstr); | |
d9f97599 GS |
5060 | if (rx->nparens) { |
5061 | for (i = 1; i <= rx->nparens; i++) { | |
cf93c79d IZ |
5062 | s = rx->startp[i] + orig; |
5063 | m = rx->endp[i] + orig; | |
748a9306 LW |
5064 | if (m && s) { |
5065 | dstr = NEWSV(33, m-s); | |
5066 | sv_setpvn(dstr, s, m-s); | |
5067 | } | |
5068 | else | |
5069 | dstr = NEWSV(33, 0); | |
8ec5e241 | 5070 | if (make_mortal) |
a0d0e21e LW |
5071 | sv_2mortal(dstr); |
5072 | XPUSHs(dstr); | |
5073 | } | |
5074 | } | |
cf93c79d | 5075 | s = rx->endp[0] + orig; |
a0d0e21e | 5076 | } |
79072805 | 5077 | } |
8ec5e241 | 5078 | |
c07a80fd | 5079 | LEAVE_SCOPE(oldsave); |
3280af22 | 5080 | iters = (SP - PL_stack_base) - base; |
a0d0e21e | 5081 | if (iters > maxiters) |
cea2e8a9 | 5082 | DIE(aTHX_ "Split loop"); |
8ec5e241 | 5083 | |
a0d0e21e LW |
5084 | /* keep field after final delim? */ |
5085 | if (s < strend || (iters && origlimit)) { | |
5086 | dstr = NEWSV(34, strend-s); | |
5087 | sv_setpvn(dstr, s, strend-s); | |
8ec5e241 | 5088 | if (make_mortal) |
a0d0e21e LW |
5089 | sv_2mortal(dstr); |
5090 | XPUSHs(dstr); | |
5091 | iters++; | |
79072805 | 5092 | } |
a0d0e21e | 5093 | else if (!origlimit) { |
b1dadf13 | 5094 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e LW |
5095 | iters--, SP--; |
5096 | } | |
8ec5e241 | 5097 | |
a0d0e21e | 5098 | if (realarray) { |
8ec5e241 | 5099 | if (!mg) { |
1c0b011c NIS |
5100 | SWITCHSTACK(ary, oldstack); |
5101 | if (SvSMAGICAL(ary)) { | |
5102 | PUTBACK; | |
5103 | mg_set((SV*)ary); | |
5104 | SPAGAIN; | |
5105 | } | |
5106 | if (gimme == G_ARRAY) { | |
5107 | EXTEND(SP, iters); | |
5108 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
5109 | SP += iters; | |
5110 | RETURN; | |
5111 | } | |
8ec5e241 | 5112 | } |
1c0b011c | 5113 | else { |
fb73857a | 5114 | PUTBACK; |
8ec5e241 | 5115 | ENTER; |
864dbfa3 | 5116 | call_method("PUSH",G_SCALAR|G_DISCARD); |
8ec5e241 | 5117 | LEAVE; |
fb73857a | 5118 | SPAGAIN; |
8ec5e241 NIS |
5119 | if (gimme == G_ARRAY) { |
5120 | /* EXTEND should not be needed - we just popped them */ | |
5121 | EXTEND(SP, iters); | |
5122 | for (i=0; i < iters; i++) { | |
5123 | SV **svp = av_fetch(ary, i, FALSE); | |
3280af22 | 5124 | PUSHs((svp) ? *svp : &PL_sv_undef); |
8ec5e241 | 5125 | } |
1c0b011c NIS |
5126 | RETURN; |
5127 | } | |
a0d0e21e LW |
5128 | } |
5129 | } | |
5130 | else { | |
5131 | if (gimme == G_ARRAY) | |
5132 | RETURN; | |
5133 | } | |
5134 | if (iters || !pm->op_pmreplroot) { | |
5135 | GETTARGET; | |
5136 | PUSHi(iters); | |
5137 | RETURN; | |
5138 | } | |
5139 | RETPUSHUNDEF; | |
79072805 | 5140 | } |
85e6fe83 | 5141 | |
c0329465 | 5142 | #ifdef USE_THREADS |
77a005ab | 5143 | void |
864dbfa3 | 5144 | Perl_unlock_condpair(pTHX_ void *svv) |
c0329465 MB |
5145 | { |
5146 | dTHR; | |
5147 | MAGIC *mg = mg_find((SV*)svv, 'm'); | |
8ec5e241 | 5148 | |
c0329465 | 5149 | if (!mg) |
cea2e8a9 | 5150 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking non-mutex"); |
c0329465 MB |
5151 | MUTEX_LOCK(MgMUTEXP(mg)); |
5152 | if (MgOWNER(mg) != thr) | |
cea2e8a9 | 5153 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking mutex that we don't own"); |
c0329465 MB |
5154 | MgOWNER(mg) = 0; |
5155 | COND_SIGNAL(MgOWNERCONDP(mg)); | |
8b73bbec | 5156 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), "0x%lx: unlock 0x%lx\n", |
bc1f4c86 | 5157 | (unsigned long)thr, (unsigned long)svv);) |
c0329465 MB |
5158 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
5159 | } | |
5160 | #endif /* USE_THREADS */ | |
5161 | ||
5162 | PP(pp_lock) | |
5163 | { | |
4e35701f | 5164 | djSP; |
c0329465 | 5165 | dTOPss; |
e55aaa0e MB |
5166 | SV *retsv = sv; |
5167 | #ifdef USE_THREADS | |
c0329465 | 5168 | MAGIC *mg; |
8ec5e241 | 5169 | |
c0329465 MB |
5170 | if (SvROK(sv)) |
5171 | sv = SvRV(sv); | |
5172 | ||
5173 | mg = condpair_magic(sv); | |
5174 | MUTEX_LOCK(MgMUTEXP(mg)); | |
5175 | if (MgOWNER(mg) == thr) | |
5176 | MUTEX_UNLOCK(MgMUTEXP(mg)); | |
5177 | else { | |
5178 | while (MgOWNER(mg)) | |
5179 | COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg)); | |
5180 | MgOWNER(mg) = thr; | |
8b73bbec | 5181 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), "0x%lx: pp_lock lock 0x%lx\n", |
bc1f4c86 | 5182 | (unsigned long)thr, (unsigned long)sv);) |
c0329465 | 5183 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
51371543 | 5184 | SAVEDESTRUCTOR(Perl_unlock_condpair, sv); |
c0329465 MB |
5185 | } |
5186 | #endif /* USE_THREADS */ | |
e55aaa0e MB |
5187 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
5188 | || SvTYPE(retsv) == SVt_PVCV) { | |
5189 | retsv = refto(retsv); | |
5190 | } | |
5191 | SETs(retsv); | |
c0329465 MB |
5192 | RETURN; |
5193 | } | |
a863c7d1 | 5194 | |
2faa37cc | 5195 | PP(pp_threadsv) |
a863c7d1 | 5196 | { |
12f917ad | 5197 | djSP; |
57d3b86d | 5198 | #ifdef USE_THREADS |
924508f0 | 5199 | EXTEND(SP, 1); |
533c011a NIS |
5200 | if (PL_op->op_private & OPpLVAL_INTRO) |
5201 | PUSHs(*save_threadsv(PL_op->op_targ)); | |
554b3eca | 5202 | else |
533c011a | 5203 | PUSHs(THREADSV(PL_op->op_targ)); |
fdb47d66 | 5204 | RETURN; |
a863c7d1 | 5205 | #else |
cea2e8a9 | 5206 | DIE(aTHX_ "tried to access per-thread data in non-threaded perl"); |
a863c7d1 | 5207 | #endif /* USE_THREADS */ |
a863c7d1 | 5208 | } |