Commit | Line | Data |
a0d0e21e |
1 | /* sv.c |
79072805 |
2 | * |
a0d0e21e |
3 | * Copyright (c) 1991-1994, Larry Wall |
79072805 |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. |
7 | * |
a0d0e21e |
8 | */ |
9 | |
10 | /* |
11 | * "I wonder what the Entish is for 'yes' and 'no'," he thought. |
79072805 |
12 | */ |
13 | |
14 | #include "EXTERN.h" |
15 | #include "perl.h" |
79072805 |
16 | |
c07a80fd |
17 | #ifdef OVR_DBL_DIG |
18 | /* Use an overridden DBL_DIG */ |
19 | # ifdef DBL_DIG |
20 | # undef DBL_DIG |
21 | # endif |
22 | # define DBL_DIG OVR_DBL_DIG |
23 | #else |
a0d0e21e |
24 | /* The following is all to get DBL_DIG, in order to pick a nice |
25 | default value for printing floating point numbers in Gconvert. |
26 | (see config.h) |
27 | */ |
28 | #ifdef I_LIMITS |
29 | #include <limits.h> |
30 | #endif |
31 | #ifdef I_FLOAT |
32 | #include <float.h> |
33 | #endif |
34 | #ifndef HAS_DBL_DIG |
35 | #define DBL_DIG 15 /* A guess that works lots of places */ |
36 | #endif |
c07a80fd |
37 | #endif |
38 | |
1edc1566 |
39 | #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE) && !defined(__QNX__) |
c07a80fd |
40 | # define FAST_SV_GETS |
41 | #endif |
a0d0e21e |
42 | |
43 | static SV *more_sv _((void)); |
44 | static XPVIV *more_xiv _((void)); |
45 | static XPVNV *more_xnv _((void)); |
46 | static XPV *more_xpv _((void)); |
47 | static XRV *more_xrv _((void)); |
a0d0e21e |
48 | static XPVIV *new_xiv _((void)); |
49 | static XPVNV *new_xnv _((void)); |
50 | static XPV *new_xpv _((void)); |
51 | static XRV *new_xrv _((void)); |
52 | static void del_xiv _((XPVIV* p)); |
53 | static void del_xnv _((XPVNV* p)); |
54 | static void del_xpv _((XPV* p)); |
55 | static void del_xrv _((XRV* p)); |
56 | static void sv_mortalgrow _((void)); |
a0d0e21e |
57 | static void sv_unglob _((SV* sv)); |
58 | |
4561caa4 |
59 | typedef void (*SVFUNC) _((SV*)); |
60 | |
a0d0e21e |
61 | #ifdef PURIFY |
79072805 |
62 | |
4561caa4 |
63 | #define new_SV(p) \ |
64 | do { \ |
65 | (p) = (SV*)safemalloc(sizeof(SV)); \ |
66 | reg_add(p); \ |
67 | } while (0) |
68 | |
69 | #define del_SV(p) \ |
70 | do { \ |
71 | reg_remove(p); \ |
72 | free((char*)(p)); \ |
73 | } while (0) |
74 | |
75 | static SV **registry; |
76 | static I32 regsize; |
77 | |
78 | #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size)) |
79 | |
80 | #define REG_REPLACE(sv,a,b) \ |
81 | do { \ |
82 | void* p = sv->sv_any; \ |
83 | I32 h = REGHASH(sv, regsize); \ |
84 | I32 i = h; \ |
85 | while (registry[i] != (a)) { \ |
86 | if (++i >= regsize) \ |
87 | i = 0; \ |
88 | if (i == h) \ |
89 | die("SV registry bug"); \ |
90 | } \ |
91 | registry[i] = (b); \ |
92 | } while (0) |
93 | |
94 | #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv) |
95 | #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv) |
96 | |
97 | static void |
98 | reg_add(sv) |
99 | SV* sv; |
100 | { |
101 | if (sv_count >= (regsize >> 1)) |
102 | { |
103 | SV **oldreg = registry; |
104 | I32 oldsize = regsize; |
105 | |
106 | regsize = regsize ? ((regsize << 2) + 1) : 2037; |
107 | registry = (SV**)safemalloc(regsize * sizeof(SV*)); |
108 | memzero(registry, regsize * sizeof(SV*)); |
109 | |
110 | if (oldreg) { |
111 | I32 i; |
112 | |
113 | for (i = 0; i < oldsize; ++i) { |
114 | SV* oldsv = oldreg[i]; |
115 | if (oldsv) |
116 | REG_ADD(oldsv); |
117 | } |
118 | Safefree(oldreg); |
119 | } |
120 | } |
121 | |
122 | REG_ADD(sv); |
123 | ++sv_count; |
124 | } |
125 | |
126 | static void |
127 | reg_remove(sv) |
128 | SV* sv; |
129 | { |
130 | REG_REMOVE(sv); |
131 | --sv_count; |
132 | } |
133 | |
134 | static void |
135 | visit(f) |
136 | SVFUNC f; |
137 | { |
138 | I32 i; |
139 | |
140 | for (i = 0; i < regsize; ++i) { |
141 | SV* sv = registry[i]; |
142 | if (sv) |
143 | (*f)(sv); |
144 | } |
145 | } |
a0d0e21e |
146 | |
4633a7c4 |
147 | void |
148 | sv_add_arena(ptr, size, flags) |
149 | char* ptr; |
150 | U32 size; |
151 | U32 flags; |
152 | { |
153 | if (!(flags & SVf_FAKE)) |
154 | free(ptr); |
155 | } |
156 | |
4561caa4 |
157 | #else /* ! PURIFY */ |
158 | |
159 | /* |
160 | * "A time to plant, and a time to uproot what was planted..." |
161 | */ |
162 | |
163 | #define plant_SV(p) \ |
164 | do { \ |
165 | SvANY(p) = (void *)sv_root; \ |
166 | SvFLAGS(p) = SVTYPEMASK; \ |
167 | sv_root = (p); \ |
168 | --sv_count; \ |
169 | } while (0) |
a0d0e21e |
170 | |
4561caa4 |
171 | #define uproot_SV(p) \ |
172 | do { \ |
173 | (p) = sv_root; \ |
174 | sv_root = (SV*)SvANY(p); \ |
a0d0e21e |
175 | ++sv_count; \ |
4561caa4 |
176 | } while (0) |
463ee0b2 |
177 | |
4561caa4 |
178 | #define new_SV(p) \ |
179 | if (sv_root) \ |
180 | uproot_SV(p); \ |
181 | else \ |
182 | (p) = more_sv() |
463ee0b2 |
183 | |
a0d0e21e |
184 | #ifdef DEBUGGING |
4561caa4 |
185 | |
a0d0e21e |
186 | #define del_SV(p) \ |
187 | if (debug & 32768) \ |
188 | del_sv(p); \ |
4561caa4 |
189 | else \ |
190 | plant_SV(p) |
a0d0e21e |
191 | |
463ee0b2 |
192 | static void |
193 | del_sv(p) |
194 | SV* p; |
195 | { |
a0d0e21e |
196 | if (debug & 32768) { |
4633a7c4 |
197 | SV* sva; |
a0d0e21e |
198 | SV* sv; |
199 | SV* svend; |
200 | int ok = 0; |
4633a7c4 |
201 | for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { |
202 | sv = sva + 1; |
203 | svend = &sva[SvREFCNT(sva)]; |
a0d0e21e |
204 | if (p >= sv && p < svend) |
205 | ok = 1; |
206 | } |
207 | if (!ok) { |
208 | warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p); |
209 | return; |
210 | } |
211 | } |
4561caa4 |
212 | plant_SV(p); |
463ee0b2 |
213 | } |
a0d0e21e |
214 | |
4561caa4 |
215 | #else /* ! DEBUGGING */ |
216 | |
217 | #define del_SV(p) plant_SV(p) |
218 | |
219 | #endif /* DEBUGGING */ |
463ee0b2 |
220 | |
4633a7c4 |
221 | void |
222 | sv_add_arena(ptr, size, flags) |
223 | char* ptr; |
224 | U32 size; |
225 | U32 flags; |
463ee0b2 |
226 | { |
4633a7c4 |
227 | SV* sva = (SV*)ptr; |
463ee0b2 |
228 | register SV* sv; |
229 | register SV* svend; |
4633a7c4 |
230 | Zero(sva, size, char); |
231 | |
232 | /* The first SV in an arena isn't an SV. */ |
233 | SvANY(sva) = (void *) sv_arenaroot; /* ptr to next arena */ |
234 | SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */ |
235 | SvFLAGS(sva) = flags; /* FAKE if not to be freed */ |
236 | |
237 | sv_arenaroot = sva; |
238 | sv_root = sva + 1; |
239 | |
240 | svend = &sva[SvREFCNT(sva) - 1]; |
241 | sv = sva + 1; |
463ee0b2 |
242 | while (sv < svend) { |
a0d0e21e |
243 | SvANY(sv) = (void *)(SV*)(sv + 1); |
8990e307 |
244 | SvFLAGS(sv) = SVTYPEMASK; |
463ee0b2 |
245 | sv++; |
246 | } |
247 | SvANY(sv) = 0; |
4633a7c4 |
248 | SvFLAGS(sv) = SVTYPEMASK; |
249 | } |
250 | |
251 | static SV* |
252 | more_sv() |
253 | { |
4561caa4 |
254 | register SV* sv; |
255 | |
c07a80fd |
256 | if (nice_chunk) { |
257 | sv_add_arena(nice_chunk, nice_chunk_size, 0); |
258 | nice_chunk = Nullch; |
259 | } |
1edc1566 |
260 | else { |
261 | char *chunk; /* must use New here to match call to */ |
262 | New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */ |
263 | sv_add_arena(chunk, 1008, 0); |
264 | } |
4561caa4 |
265 | uproot_SV(sv); |
266 | return sv; |
463ee0b2 |
267 | } |
268 | |
4561caa4 |
269 | static void |
270 | visit(f) |
271 | SVFUNC f; |
8990e307 |
272 | { |
4633a7c4 |
273 | SV* sva; |
8990e307 |
274 | SV* sv; |
275 | register SV* svend; |
276 | |
4561caa4 |
277 | for (sva = sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { |
4633a7c4 |
278 | svend = &sva[SvREFCNT(sva)]; |
4561caa4 |
279 | for (sv = sva + 1; sv < svend; ++sv) { |
280 | if (SvTYPE(sv) != SVTYPEMASK) |
281 | (*f)(sv); |
8990e307 |
282 | } |
283 | } |
284 | } |
285 | |
4561caa4 |
286 | #endif /* PURIFY */ |
287 | |
288 | static void |
289 | do_report_used(sv) |
290 | SV* sv; |
291 | { |
292 | if (SvTYPE(sv) != SVTYPEMASK) { |
d1bf51dd |
293 | /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */ |
4561caa4 |
294 | PerlIO_printf(PerlIO_stderr(), "****\n"); |
295 | sv_dump(sv); |
296 | } |
297 | } |
298 | |
8990e307 |
299 | void |
4561caa4 |
300 | sv_report_used() |
301 | { |
302 | visit(do_report_used); |
303 | } |
304 | |
305 | static void |
306 | do_clean_objs(sv) |
307 | SV* sv; |
8990e307 |
308 | { |
a0d0e21e |
309 | SV* rv; |
8990e307 |
310 | |
4561caa4 |
311 | if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { |
d1bf51dd |
312 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));) |
4561caa4 |
313 | SvROK_off(sv); |
314 | SvRV(sv) = 0; |
315 | SvREFCNT_dec(rv); |
a5f75d66 |
316 | } |
4561caa4 |
317 | |
318 | /* XXX Might want to check arrays, etc. */ |
319 | } |
320 | |
321 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
322 | static void |
323 | do_clean_named_objs(sv) |
324 | SV* sv; |
325 | { |
326 | if (SvTYPE(sv) == SVt_PVGV && GvSV(sv)) |
327 | do_clean_objs(GvSV(sv)); |
328 | } |
a5f75d66 |
329 | #endif |
4561caa4 |
330 | |
331 | void |
332 | sv_clean_objs() |
333 | { |
334 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
335 | visit(do_clean_named_objs); |
336 | #endif |
337 | visit(do_clean_objs); |
338 | } |
339 | |
340 | static void |
341 | do_clean_all(sv) |
342 | SV* sv; |
343 | { |
d1bf51dd |
344 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));) |
4561caa4 |
345 | SvFLAGS(sv) |= SVf_BREAK; |
346 | SvREFCNT_dec(sv); |
8990e307 |
347 | } |
348 | |
1edc1566 |
349 | static int in_clean_all = 0; |
350 | |
8990e307 |
351 | void |
8990e307 |
352 | sv_clean_all() |
353 | { |
1edc1566 |
354 | in_clean_all = 1; |
4561caa4 |
355 | visit(do_clean_all); |
1edc1566 |
356 | in_clean_all = 0; |
8990e307 |
357 | } |
463ee0b2 |
358 | |
4633a7c4 |
359 | void |
360 | sv_free_arenas() |
361 | { |
362 | SV* sva; |
363 | SV* svanext; |
364 | |
365 | /* Free arenas here, but be careful about fake ones. (We assume |
366 | contiguity of the fake ones with the corresponding real ones.) */ |
367 | |
368 | for (sva = sv_arenaroot; sva; sva = svanext) { |
369 | svanext = (SV*) SvANY(sva); |
370 | while (svanext && SvFAKE(svanext)) |
371 | svanext = (SV*) SvANY(svanext); |
372 | |
373 | if (!SvFAKE(sva)) |
1edc1566 |
374 | Safefree((void *)sva); |
4633a7c4 |
375 | } |
376 | } |
377 | |
463ee0b2 |
378 | static XPVIV* |
379 | new_xiv() |
380 | { |
a0d0e21e |
381 | IV** xiv; |
463ee0b2 |
382 | if (xiv_root) { |
383 | xiv = xiv_root; |
85e6fe83 |
384 | /* |
385 | * See comment in more_xiv() -- RAM. |
386 | */ |
a0d0e21e |
387 | xiv_root = (IV**)*xiv; |
463ee0b2 |
388 | return (XPVIV*)((char*)xiv - sizeof(XPV)); |
389 | } |
390 | return more_xiv(); |
391 | } |
392 | |
393 | static void |
394 | del_xiv(p) |
395 | XPVIV* p; |
396 | { |
a0d0e21e |
397 | IV** xiv = (IV**)((char*)(p) + sizeof(XPV)); |
398 | *xiv = (IV *)xiv_root; |
463ee0b2 |
399 | xiv_root = xiv; |
400 | } |
401 | |
402 | static XPVIV* |
403 | more_xiv() |
404 | { |
a0d0e21e |
405 | register IV** xiv; |
406 | register IV** xivend; |
407 | XPV* ptr = (XPV*)safemalloc(1008); |
408 | ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */ |
409 | xiv_arenaroot = ptr; /* to keep Purify happy */ |
410 | |
411 | xiv = (IV**) ptr; |
412 | xivend = &xiv[1008 / sizeof(IV *) - 1]; |
413 | xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */ |
463ee0b2 |
414 | xiv_root = xiv; |
415 | while (xiv < xivend) { |
a0d0e21e |
416 | *xiv = (IV *)(xiv + 1); |
463ee0b2 |
417 | xiv++; |
418 | } |
85e6fe83 |
419 | *xiv = 0; |
463ee0b2 |
420 | return new_xiv(); |
421 | } |
422 | |
463ee0b2 |
423 | static XPVNV* |
424 | new_xnv() |
425 | { |
426 | double* xnv; |
427 | if (xnv_root) { |
428 | xnv = xnv_root; |
429 | xnv_root = *(double**)xnv; |
430 | return (XPVNV*)((char*)xnv - sizeof(XPVIV)); |
431 | } |
432 | return more_xnv(); |
433 | } |
434 | |
435 | static void |
436 | del_xnv(p) |
437 | XPVNV* p; |
438 | { |
439 | double* xnv = (double*)((char*)(p) + sizeof(XPVIV)); |
440 | *(double**)xnv = xnv_root; |
441 | xnv_root = xnv; |
442 | } |
443 | |
444 | static XPVNV* |
445 | more_xnv() |
446 | { |
463ee0b2 |
447 | register double* xnv; |
448 | register double* xnvend; |
8990e307 |
449 | xnv = (double*)safemalloc(1008); |
463ee0b2 |
450 | xnvend = &xnv[1008 / sizeof(double) - 1]; |
451 | xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */ |
452 | xnv_root = xnv; |
453 | while (xnv < xnvend) { |
454 | *(double**)xnv = (double*)(xnv + 1); |
455 | xnv++; |
456 | } |
457 | *(double**)xnv = 0; |
458 | return new_xnv(); |
459 | } |
460 | |
ed6116ce |
461 | static XRV* |
462 | new_xrv() |
463 | { |
464 | XRV* xrv; |
465 | if (xrv_root) { |
466 | xrv = xrv_root; |
467 | xrv_root = (XRV*)xrv->xrv_rv; |
468 | return xrv; |
469 | } |
470 | return more_xrv(); |
471 | } |
472 | |
473 | static void |
474 | del_xrv(p) |
475 | XRV* p; |
476 | { |
477 | p->xrv_rv = (SV*)xrv_root; |
478 | xrv_root = p; |
479 | } |
480 | |
481 | static XRV* |
482 | more_xrv() |
483 | { |
ed6116ce |
484 | register XRV* xrv; |
485 | register XRV* xrvend; |
8990e307 |
486 | xrv_root = (XRV*)safemalloc(1008); |
ed6116ce |
487 | xrv = xrv_root; |
488 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; |
489 | while (xrv < xrvend) { |
490 | xrv->xrv_rv = (SV*)(xrv + 1); |
491 | xrv++; |
492 | } |
493 | xrv->xrv_rv = 0; |
494 | return new_xrv(); |
495 | } |
496 | |
463ee0b2 |
497 | static XPV* |
498 | new_xpv() |
499 | { |
500 | XPV* xpv; |
501 | if (xpv_root) { |
502 | xpv = xpv_root; |
503 | xpv_root = (XPV*)xpv->xpv_pv; |
504 | return xpv; |
505 | } |
506 | return more_xpv(); |
507 | } |
508 | |
509 | static void |
510 | del_xpv(p) |
511 | XPV* p; |
512 | { |
513 | p->xpv_pv = (char*)xpv_root; |
514 | xpv_root = p; |
515 | } |
516 | |
517 | static XPV* |
518 | more_xpv() |
519 | { |
463ee0b2 |
520 | register XPV* xpv; |
521 | register XPV* xpvend; |
8990e307 |
522 | xpv_root = (XPV*)safemalloc(1008); |
463ee0b2 |
523 | xpv = xpv_root; |
524 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; |
525 | while (xpv < xpvend) { |
526 | xpv->xpv_pv = (char*)(xpv + 1); |
527 | xpv++; |
528 | } |
529 | xpv->xpv_pv = 0; |
530 | return new_xpv(); |
531 | } |
532 | |
533 | #ifdef PURIFY |
8990e307 |
534 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
463ee0b2 |
535 | #define del_XIV(p) free((char*)p) |
536 | #else |
85e6fe83 |
537 | #define new_XIV() (void*)new_xiv() |
463ee0b2 |
538 | #define del_XIV(p) del_xiv(p) |
539 | #endif |
540 | |
541 | #ifdef PURIFY |
8990e307 |
542 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
463ee0b2 |
543 | #define del_XNV(p) free((char*)p) |
544 | #else |
85e6fe83 |
545 | #define new_XNV() (void*)new_xnv() |
463ee0b2 |
546 | #define del_XNV(p) del_xnv(p) |
547 | #endif |
548 | |
549 | #ifdef PURIFY |
8990e307 |
550 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
ed6116ce |
551 | #define del_XRV(p) free((char*)p) |
552 | #else |
85e6fe83 |
553 | #define new_XRV() (void*)new_xrv() |
ed6116ce |
554 | #define del_XRV(p) del_xrv(p) |
555 | #endif |
556 | |
557 | #ifdef PURIFY |
8990e307 |
558 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
463ee0b2 |
559 | #define del_XPV(p) free((char*)p) |
560 | #else |
85e6fe83 |
561 | #define new_XPV() (void*)new_xpv() |
463ee0b2 |
562 | #define del_XPV(p) del_xpv(p) |
563 | #endif |
564 | |
8990e307 |
565 | #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV)) |
463ee0b2 |
566 | #define del_XPVIV(p) free((char*)p) |
567 | |
8990e307 |
568 | #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV)) |
463ee0b2 |
569 | #define del_XPVNV(p) free((char*)p) |
570 | |
8990e307 |
571 | #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG)) |
463ee0b2 |
572 | #define del_XPVMG(p) free((char*)p) |
573 | |
8990e307 |
574 | #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV)) |
463ee0b2 |
575 | #define del_XPVLV(p) free((char*)p) |
576 | |
8990e307 |
577 | #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV)) |
463ee0b2 |
578 | #define del_XPVAV(p) free((char*)p) |
579 | |
8990e307 |
580 | #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV)) |
463ee0b2 |
581 | #define del_XPVHV(p) free((char*)p) |
582 | |
8990e307 |
583 | #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV)) |
463ee0b2 |
584 | #define del_XPVCV(p) free((char*)p) |
585 | |
8990e307 |
586 | #define new_XPVGV() (void*)safemalloc(sizeof(XPVGV)) |
463ee0b2 |
587 | #define del_XPVGV(p) free((char*)p) |
588 | |
8990e307 |
589 | #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM)) |
463ee0b2 |
590 | #define del_XPVBM(p) free((char*)p) |
591 | |
8990e307 |
592 | #define new_XPVFM() (void*)safemalloc(sizeof(XPVFM)) |
463ee0b2 |
593 | #define del_XPVFM(p) free((char*)p) |
594 | |
8990e307 |
595 | #define new_XPVIO() (void*)safemalloc(sizeof(XPVIO)) |
596 | #define del_XPVIO(p) free((char*)p) |
597 | |
79072805 |
598 | bool |
599 | sv_upgrade(sv, mt) |
600 | register SV* sv; |
601 | U32 mt; |
602 | { |
603 | char* pv; |
604 | U32 cur; |
605 | U32 len; |
a0d0e21e |
606 | IV iv; |
79072805 |
607 | double nv; |
608 | MAGIC* magic; |
609 | HV* stash; |
610 | |
611 | if (SvTYPE(sv) == mt) |
612 | return TRUE; |
613 | |
a5f75d66 |
614 | if (mt < SVt_PVIV) |
615 | (void)SvOOK_off(sv); |
616 | |
79072805 |
617 | switch (SvTYPE(sv)) { |
618 | case SVt_NULL: |
619 | pv = 0; |
620 | cur = 0; |
621 | len = 0; |
622 | iv = 0; |
623 | nv = 0.0; |
624 | magic = 0; |
625 | stash = 0; |
626 | break; |
79072805 |
627 | case SVt_IV: |
628 | pv = 0; |
629 | cur = 0; |
630 | len = 0; |
463ee0b2 |
631 | iv = SvIVX(sv); |
632 | nv = (double)SvIVX(sv); |
79072805 |
633 | del_XIV(SvANY(sv)); |
634 | magic = 0; |
635 | stash = 0; |
ed6116ce |
636 | if (mt == SVt_NV) |
463ee0b2 |
637 | mt = SVt_PVNV; |
ed6116ce |
638 | else if (mt < SVt_PVIV) |
639 | mt = SVt_PVIV; |
79072805 |
640 | break; |
641 | case SVt_NV: |
642 | pv = 0; |
643 | cur = 0; |
644 | len = 0; |
463ee0b2 |
645 | nv = SvNVX(sv); |
ed6116ce |
646 | iv = I_32(nv); |
79072805 |
647 | magic = 0; |
648 | stash = 0; |
649 | del_XNV(SvANY(sv)); |
650 | SvANY(sv) = 0; |
ed6116ce |
651 | if (mt < SVt_PVNV) |
79072805 |
652 | mt = SVt_PVNV; |
653 | break; |
ed6116ce |
654 | case SVt_RV: |
655 | pv = (char*)SvRV(sv); |
656 | cur = 0; |
657 | len = 0; |
a0d0e21e |
658 | iv = (IV)pv; |
ed6116ce |
659 | nv = (double)(unsigned long)pv; |
660 | del_XRV(SvANY(sv)); |
661 | magic = 0; |
662 | stash = 0; |
663 | break; |
79072805 |
664 | case SVt_PV: |
463ee0b2 |
665 | pv = SvPVX(sv); |
79072805 |
666 | cur = SvCUR(sv); |
667 | len = SvLEN(sv); |
668 | iv = 0; |
669 | nv = 0.0; |
670 | magic = 0; |
671 | stash = 0; |
672 | del_XPV(SvANY(sv)); |
748a9306 |
673 | if (mt <= SVt_IV) |
674 | mt = SVt_PVIV; |
675 | else if (mt == SVt_NV) |
676 | mt = SVt_PVNV; |
79072805 |
677 | break; |
678 | case SVt_PVIV: |
463ee0b2 |
679 | pv = SvPVX(sv); |
79072805 |
680 | cur = SvCUR(sv); |
681 | len = SvLEN(sv); |
463ee0b2 |
682 | iv = SvIVX(sv); |
79072805 |
683 | nv = 0.0; |
684 | magic = 0; |
685 | stash = 0; |
686 | del_XPVIV(SvANY(sv)); |
687 | break; |
688 | case SVt_PVNV: |
463ee0b2 |
689 | pv = SvPVX(sv); |
79072805 |
690 | cur = SvCUR(sv); |
691 | len = SvLEN(sv); |
463ee0b2 |
692 | iv = SvIVX(sv); |
693 | nv = SvNVX(sv); |
79072805 |
694 | magic = 0; |
695 | stash = 0; |
696 | del_XPVNV(SvANY(sv)); |
697 | break; |
698 | case SVt_PVMG: |
463ee0b2 |
699 | pv = SvPVX(sv); |
79072805 |
700 | cur = SvCUR(sv); |
701 | len = SvLEN(sv); |
463ee0b2 |
702 | iv = SvIVX(sv); |
703 | nv = SvNVX(sv); |
79072805 |
704 | magic = SvMAGIC(sv); |
705 | stash = SvSTASH(sv); |
706 | del_XPVMG(SvANY(sv)); |
707 | break; |
708 | default: |
463ee0b2 |
709 | croak("Can't upgrade that kind of scalar"); |
79072805 |
710 | } |
711 | |
712 | switch (mt) { |
713 | case SVt_NULL: |
463ee0b2 |
714 | croak("Can't upgrade to undef"); |
79072805 |
715 | case SVt_IV: |
716 | SvANY(sv) = new_XIV(); |
463ee0b2 |
717 | SvIVX(sv) = iv; |
79072805 |
718 | break; |
719 | case SVt_NV: |
720 | SvANY(sv) = new_XNV(); |
463ee0b2 |
721 | SvNVX(sv) = nv; |
79072805 |
722 | break; |
ed6116ce |
723 | case SVt_RV: |
724 | SvANY(sv) = new_XRV(); |
725 | SvRV(sv) = (SV*)pv; |
ed6116ce |
726 | break; |
79072805 |
727 | case SVt_PV: |
728 | SvANY(sv) = new_XPV(); |
463ee0b2 |
729 | SvPVX(sv) = pv; |
79072805 |
730 | SvCUR(sv) = cur; |
731 | SvLEN(sv) = len; |
732 | break; |
733 | case SVt_PVIV: |
734 | SvANY(sv) = new_XPVIV(); |
463ee0b2 |
735 | SvPVX(sv) = pv; |
79072805 |
736 | SvCUR(sv) = cur; |
737 | SvLEN(sv) = len; |
463ee0b2 |
738 | SvIVX(sv) = iv; |
79072805 |
739 | if (SvNIOK(sv)) |
a0d0e21e |
740 | (void)SvIOK_on(sv); |
79072805 |
741 | SvNOK_off(sv); |
742 | break; |
743 | case SVt_PVNV: |
744 | SvANY(sv) = new_XPVNV(); |
463ee0b2 |
745 | SvPVX(sv) = pv; |
79072805 |
746 | SvCUR(sv) = cur; |
747 | SvLEN(sv) = len; |
463ee0b2 |
748 | SvIVX(sv) = iv; |
749 | SvNVX(sv) = nv; |
79072805 |
750 | break; |
751 | case SVt_PVMG: |
752 | SvANY(sv) = new_XPVMG(); |
463ee0b2 |
753 | SvPVX(sv) = pv; |
79072805 |
754 | SvCUR(sv) = cur; |
755 | SvLEN(sv) = len; |
463ee0b2 |
756 | SvIVX(sv) = iv; |
757 | SvNVX(sv) = nv; |
79072805 |
758 | SvMAGIC(sv) = magic; |
759 | SvSTASH(sv) = stash; |
760 | break; |
761 | case SVt_PVLV: |
762 | SvANY(sv) = new_XPVLV(); |
463ee0b2 |
763 | SvPVX(sv) = pv; |
79072805 |
764 | SvCUR(sv) = cur; |
765 | SvLEN(sv) = len; |
463ee0b2 |
766 | SvIVX(sv) = iv; |
767 | SvNVX(sv) = nv; |
79072805 |
768 | SvMAGIC(sv) = magic; |
769 | SvSTASH(sv) = stash; |
770 | LvTARGOFF(sv) = 0; |
771 | LvTARGLEN(sv) = 0; |
772 | LvTARG(sv) = 0; |
773 | LvTYPE(sv) = 0; |
774 | break; |
775 | case SVt_PVAV: |
776 | SvANY(sv) = new_XPVAV(); |
463ee0b2 |
777 | if (pv) |
778 | Safefree(pv); |
2304df62 |
779 | SvPVX(sv) = 0; |
d1bf51dd |
780 | AvMAX(sv) = -1; |
781 | AvFILL(sv) = -1; |
463ee0b2 |
782 | SvIVX(sv) = 0; |
783 | SvNVX(sv) = 0.0; |
784 | SvMAGIC(sv) = magic; |
785 | SvSTASH(sv) = stash; |
786 | AvALLOC(sv) = 0; |
79072805 |
787 | AvARYLEN(sv) = 0; |
788 | AvFLAGS(sv) = 0; |
789 | break; |
790 | case SVt_PVHV: |
791 | SvANY(sv) = new_XPVHV(); |
463ee0b2 |
792 | if (pv) |
793 | Safefree(pv); |
794 | SvPVX(sv) = 0; |
795 | HvFILL(sv) = 0; |
796 | HvMAX(sv) = 0; |
797 | HvKEYS(sv) = 0; |
798 | SvNVX(sv) = 0.0; |
79072805 |
799 | SvMAGIC(sv) = magic; |
800 | SvSTASH(sv) = stash; |
79072805 |
801 | HvRITER(sv) = 0; |
802 | HvEITER(sv) = 0; |
803 | HvPMROOT(sv) = 0; |
804 | HvNAME(sv) = 0; |
79072805 |
805 | break; |
806 | case SVt_PVCV: |
807 | SvANY(sv) = new_XPVCV(); |
748a9306 |
808 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 |
809 | SvPVX(sv) = pv; |
79072805 |
810 | SvCUR(sv) = cur; |
811 | SvLEN(sv) = len; |
463ee0b2 |
812 | SvIVX(sv) = iv; |
813 | SvNVX(sv) = nv; |
79072805 |
814 | SvMAGIC(sv) = magic; |
815 | SvSTASH(sv) = stash; |
79072805 |
816 | break; |
817 | case SVt_PVGV: |
818 | SvANY(sv) = new_XPVGV(); |
463ee0b2 |
819 | SvPVX(sv) = pv; |
79072805 |
820 | SvCUR(sv) = cur; |
821 | SvLEN(sv) = len; |
463ee0b2 |
822 | SvIVX(sv) = iv; |
823 | SvNVX(sv) = nv; |
79072805 |
824 | SvMAGIC(sv) = magic; |
825 | SvSTASH(sv) = stash; |
93a17b20 |
826 | GvGP(sv) = 0; |
79072805 |
827 | GvNAME(sv) = 0; |
828 | GvNAMELEN(sv) = 0; |
829 | GvSTASH(sv) = 0; |
a5f75d66 |
830 | GvFLAGS(sv) = 0; |
79072805 |
831 | break; |
832 | case SVt_PVBM: |
833 | SvANY(sv) = new_XPVBM(); |
463ee0b2 |
834 | SvPVX(sv) = pv; |
79072805 |
835 | SvCUR(sv) = cur; |
836 | SvLEN(sv) = len; |
463ee0b2 |
837 | SvIVX(sv) = iv; |
838 | SvNVX(sv) = nv; |
79072805 |
839 | SvMAGIC(sv) = magic; |
840 | SvSTASH(sv) = stash; |
841 | BmRARE(sv) = 0; |
842 | BmUSEFUL(sv) = 0; |
843 | BmPREVIOUS(sv) = 0; |
844 | break; |
845 | case SVt_PVFM: |
846 | SvANY(sv) = new_XPVFM(); |
748a9306 |
847 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 |
848 | SvPVX(sv) = pv; |
79072805 |
849 | SvCUR(sv) = cur; |
850 | SvLEN(sv) = len; |
463ee0b2 |
851 | SvIVX(sv) = iv; |
852 | SvNVX(sv) = nv; |
79072805 |
853 | SvMAGIC(sv) = magic; |
854 | SvSTASH(sv) = stash; |
79072805 |
855 | break; |
8990e307 |
856 | case SVt_PVIO: |
857 | SvANY(sv) = new_XPVIO(); |
748a9306 |
858 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 |
859 | SvPVX(sv) = pv; |
860 | SvCUR(sv) = cur; |
861 | SvLEN(sv) = len; |
862 | SvIVX(sv) = iv; |
863 | SvNVX(sv) = nv; |
864 | SvMAGIC(sv) = magic; |
865 | SvSTASH(sv) = stash; |
85e6fe83 |
866 | IoPAGE_LEN(sv) = 60; |
8990e307 |
867 | break; |
868 | } |
869 | SvFLAGS(sv) &= ~SVTYPEMASK; |
870 | SvFLAGS(sv) |= mt; |
79072805 |
871 | return TRUE; |
872 | } |
873 | |
a0d0e21e |
874 | #ifdef DEBUGGING |
79072805 |
875 | char * |
876 | sv_peek(sv) |
877 | register SV *sv; |
878 | { |
879 | char *t = tokenbuf; |
a0d0e21e |
880 | int unref = 0; |
79072805 |
881 | |
882 | retry: |
883 | if (!sv) { |
884 | strcpy(t, "VOID"); |
a0d0e21e |
885 | goto finish; |
79072805 |
886 | } |
887 | else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { |
888 | strcpy(t, "WILD"); |
a0d0e21e |
889 | goto finish; |
890 | } |
891 | else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) { |
892 | if (sv == &sv_undef) { |
893 | strcpy(t, "SV_UNDEF"); |
894 | if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT| |
895 | SVs_GMG|SVs_SMG|SVs_RMG)) && |
896 | SvREADONLY(sv)) |
897 | goto finish; |
898 | } |
899 | else if (sv == &sv_no) { |
900 | strcpy(t, "SV_NO"); |
901 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
902 | SVs_GMG|SVs_SMG|SVs_RMG)) && |
903 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| |
904 | SVp_POK|SVp_NOK)) && |
905 | SvCUR(sv) == 0 && |
906 | SvNVX(sv) == 0.0) |
907 | goto finish; |
908 | } |
909 | else { |
910 | strcpy(t, "SV_YES"); |
911 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
912 | SVs_GMG|SVs_SMG|SVs_RMG)) && |
913 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| |
914 | SVp_POK|SVp_NOK)) && |
915 | SvCUR(sv) == 1 && |
916 | SvPVX(sv) && *SvPVX(sv) == '1' && |
917 | SvNVX(sv) == 1.0) |
918 | goto finish; |
919 | } |
920 | t += strlen(t); |
921 | *t++ = ':'; |
79072805 |
922 | } |
a0d0e21e |
923 | else if (SvREFCNT(sv) == 0) { |
924 | *t++ = '('; |
925 | unref++; |
79072805 |
926 | } |
a0d0e21e |
927 | if (SvROK(sv)) { |
928 | *t++ = '\\'; |
929 | if (t - tokenbuf + unref > 10) { |
930 | strcpy(tokenbuf + unref + 3,"..."); |
931 | goto finish; |
79072805 |
932 | } |
a0d0e21e |
933 | sv = (SV*)SvRV(sv); |
934 | goto retry; |
935 | } |
936 | switch (SvTYPE(sv)) { |
937 | default: |
938 | strcpy(t,"FREED"); |
939 | goto finish; |
940 | |
941 | case SVt_NULL: |
942 | strcpy(t,"UNDEF"); |
943 | return tokenbuf; |
944 | case SVt_IV: |
945 | strcpy(t,"IV"); |
946 | break; |
947 | case SVt_NV: |
948 | strcpy(t,"NV"); |
949 | break; |
950 | case SVt_RV: |
951 | strcpy(t,"RV"); |
952 | break; |
953 | case SVt_PV: |
954 | strcpy(t,"PV"); |
955 | break; |
956 | case SVt_PVIV: |
957 | strcpy(t,"PVIV"); |
958 | break; |
959 | case SVt_PVNV: |
960 | strcpy(t,"PVNV"); |
961 | break; |
962 | case SVt_PVMG: |
963 | strcpy(t,"PVMG"); |
964 | break; |
965 | case SVt_PVLV: |
966 | strcpy(t,"PVLV"); |
967 | break; |
968 | case SVt_PVAV: |
969 | strcpy(t,"AV"); |
970 | break; |
971 | case SVt_PVHV: |
972 | strcpy(t,"HV"); |
973 | break; |
974 | case SVt_PVCV: |
975 | if (CvGV(sv)) |
976 | sprintf(t, "CV(%s)", GvNAME(CvGV(sv))); |
977 | else |
978 | strcpy(t, "CV()"); |
979 | goto finish; |
980 | case SVt_PVGV: |
981 | strcpy(t,"GV"); |
982 | break; |
983 | case SVt_PVBM: |
984 | strcpy(t,"BM"); |
985 | break; |
986 | case SVt_PVFM: |
987 | strcpy(t,"FM"); |
988 | break; |
989 | case SVt_PVIO: |
990 | strcpy(t,"IO"); |
991 | break; |
79072805 |
992 | } |
993 | t += strlen(t); |
994 | |
a0d0e21e |
995 | if (SvPOKp(sv)) { |
463ee0b2 |
996 | if (!SvPVX(sv)) |
a0d0e21e |
997 | strcpy(t, "(null)"); |
79072805 |
998 | if (SvOOK(sv)) |
2304df62 |
999 | sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); |
79072805 |
1000 | else |
2304df62 |
1001 | sprintf(t,"(\"%.127s\")",SvPVX(sv)); |
79072805 |
1002 | } |
a0d0e21e |
1003 | else if (SvNOKp(sv)) |
463ee0b2 |
1004 | sprintf(t,"(%g)",SvNVX(sv)); |
a0d0e21e |
1005 | else if (SvIOKp(sv)) |
463ee0b2 |
1006 | sprintf(t,"(%ld)",(long)SvIVX(sv)); |
79072805 |
1007 | else |
1008 | strcpy(t,"()"); |
a0d0e21e |
1009 | |
1010 | finish: |
1011 | if (unref) { |
1012 | t += strlen(t); |
1013 | while (unref--) |
1014 | *t++ = ')'; |
1015 | *t = '\0'; |
1016 | } |
79072805 |
1017 | return tokenbuf; |
1018 | } |
a0d0e21e |
1019 | #endif |
79072805 |
1020 | |
1021 | int |
1022 | sv_backoff(sv) |
1023 | register SV *sv; |
1024 | { |
1025 | assert(SvOOK(sv)); |
463ee0b2 |
1026 | if (SvIVX(sv)) { |
1027 | char *s = SvPVX(sv); |
1028 | SvLEN(sv) += SvIVX(sv); |
1029 | SvPVX(sv) -= SvIVX(sv); |
79072805 |
1030 | SvIV_set(sv, 0); |
463ee0b2 |
1031 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 |
1032 | } |
1033 | SvFLAGS(sv) &= ~SVf_OOK; |
a0d0e21e |
1034 | return 0; |
79072805 |
1035 | } |
1036 | |
1037 | char * |
1038 | sv_grow(sv,newlen) |
1039 | register SV *sv; |
1040 | #ifndef DOSISH |
1041 | register I32 newlen; |
1042 | #else |
1043 | unsigned long newlen; |
1044 | #endif |
1045 | { |
1046 | register char *s; |
1047 | |
1048 | #ifdef MSDOS |
1049 | if (newlen >= 0x10000) { |
d1bf51dd |
1050 | PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen); |
79072805 |
1051 | my_exit(1); |
1052 | } |
1053 | #endif /* MSDOS */ |
a0d0e21e |
1054 | if (SvROK(sv)) |
1055 | sv_unref(sv); |
79072805 |
1056 | if (SvTYPE(sv) < SVt_PV) { |
1057 | sv_upgrade(sv, SVt_PV); |
463ee0b2 |
1058 | s = SvPVX(sv); |
79072805 |
1059 | } |
1060 | else if (SvOOK(sv)) { /* pv is offset? */ |
1061 | sv_backoff(sv); |
463ee0b2 |
1062 | s = SvPVX(sv); |
79072805 |
1063 | if (newlen > SvLEN(sv)) |
1064 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ |
1065 | } |
1066 | else |
463ee0b2 |
1067 | s = SvPVX(sv); |
79072805 |
1068 | if (newlen > SvLEN(sv)) { /* need more room? */ |
85e6fe83 |
1069 | if (SvLEN(sv) && s) |
79072805 |
1070 | Renew(s,newlen,char); |
1071 | else |
1072 | New(703,s,newlen,char); |
1073 | SvPV_set(sv, s); |
1074 | SvLEN_set(sv, newlen); |
1075 | } |
1076 | return s; |
1077 | } |
1078 | |
1079 | void |
1080 | sv_setiv(sv,i) |
1081 | register SV *sv; |
a0d0e21e |
1082 | IV i; |
79072805 |
1083 | { |
ed6116ce |
1084 | if (SvTHINKFIRST(sv)) { |
8990e307 |
1085 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
1086 | croak(no_modify); |
1087 | if (SvROK(sv)) |
1088 | sv_unref(sv); |
1089 | } |
463ee0b2 |
1090 | switch (SvTYPE(sv)) { |
1091 | case SVt_NULL: |
79072805 |
1092 | sv_upgrade(sv, SVt_IV); |
463ee0b2 |
1093 | break; |
1094 | case SVt_NV: |
1095 | sv_upgrade(sv, SVt_PVNV); |
1096 | break; |
ed6116ce |
1097 | case SVt_RV: |
463ee0b2 |
1098 | case SVt_PV: |
79072805 |
1099 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 |
1100 | break; |
a0d0e21e |
1101 | |
1102 | case SVt_PVGV: |
1103 | if (SvFAKE(sv)) { |
1104 | sv_unglob(sv); |
1105 | break; |
1106 | } |
1107 | /* FALL THROUGH */ |
1108 | case SVt_PVAV: |
1109 | case SVt_PVHV: |
1110 | case SVt_PVCV: |
1111 | case SVt_PVFM: |
1112 | case SVt_PVIO: |
1113 | croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), |
1114 | op_name[op->op_type]); |
463ee0b2 |
1115 | } |
a0d0e21e |
1116 | (void)SvIOK_only(sv); /* validate number */ |
a5f75d66 |
1117 | SvIVX(sv) = i; |
463ee0b2 |
1118 | SvTAINT(sv); |
79072805 |
1119 | } |
1120 | |
1121 | void |
1122 | sv_setnv(sv,num) |
1123 | register SV *sv; |
1124 | double num; |
1125 | { |
ed6116ce |
1126 | if (SvTHINKFIRST(sv)) { |
8990e307 |
1127 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
1128 | croak(no_modify); |
1129 | if (SvROK(sv)) |
1130 | sv_unref(sv); |
1131 | } |
a0d0e21e |
1132 | switch (SvTYPE(sv)) { |
1133 | case SVt_NULL: |
1134 | case SVt_IV: |
79072805 |
1135 | sv_upgrade(sv, SVt_NV); |
a0d0e21e |
1136 | break; |
1137 | case SVt_NV: |
1138 | case SVt_RV: |
1139 | case SVt_PV: |
1140 | case SVt_PVIV: |
79072805 |
1141 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e |
1142 | /* FALL THROUGH */ |
1143 | case SVt_PVNV: |
1144 | case SVt_PVMG: |
1145 | case SVt_PVBM: |
1146 | case SVt_PVLV: |
1147 | if (SvOOK(sv)) |
1148 | (void)SvOOK_off(sv); |
1149 | break; |
1150 | case SVt_PVGV: |
1151 | if (SvFAKE(sv)) { |
1152 | sv_unglob(sv); |
1153 | break; |
1154 | } |
1155 | /* FALL THROUGH */ |
1156 | case SVt_PVAV: |
1157 | case SVt_PVHV: |
1158 | case SVt_PVCV: |
1159 | case SVt_PVFM: |
1160 | case SVt_PVIO: |
1161 | croak("Can't coerce %s to number in %s", sv_reftype(sv,0), |
1162 | op_name[op->op_type]); |
79072805 |
1163 | } |
463ee0b2 |
1164 | SvNVX(sv) = num; |
a0d0e21e |
1165 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 |
1166 | SvTAINT(sv); |
79072805 |
1167 | } |
1168 | |
a0d0e21e |
1169 | static void |
1170 | not_a_number(sv) |
1171 | SV *sv; |
1172 | { |
1173 | char tmpbuf[64]; |
1174 | char *d = tmpbuf; |
1175 | char *s; |
1176 | int i; |
1177 | |
1178 | for (s = SvPVX(sv), i = 50; *s && i; s++,i--) { |
1179 | int ch = *s; |
1180 | if (ch & 128 && !isprint(ch)) { |
1181 | *d++ = 'M'; |
1182 | *d++ = '-'; |
1183 | ch &= 127; |
1184 | } |
1185 | if (isprint(ch)) |
1186 | *d++ = ch; |
1187 | else { |
1188 | *d++ = '^'; |
1189 | *d++ = ch ^ 64; |
1190 | } |
1191 | } |
1192 | if (*s) { |
1193 | *d++ = '.'; |
1194 | *d++ = '.'; |
1195 | *d++ = '.'; |
1196 | } |
1197 | *d = '\0'; |
1198 | |
1199 | if (op) |
c07a80fd |
1200 | warn("Argument \"%s\" isn't numeric in %s", tmpbuf, |
a0d0e21e |
1201 | op_name[op->op_type]); |
1202 | else |
1203 | warn("Argument \"%s\" isn't numeric", tmpbuf); |
1204 | } |
1205 | |
1206 | IV |
79072805 |
1207 | sv_2iv(sv) |
1208 | register SV *sv; |
1209 | { |
1210 | if (!sv) |
1211 | return 0; |
8990e307 |
1212 | if (SvGMAGICAL(sv)) { |
463ee0b2 |
1213 | mg_get(sv); |
1214 | if (SvIOKp(sv)) |
1215 | return SvIVX(sv); |
748a9306 |
1216 | if (SvNOKp(sv)) { |
1217 | if (SvNVX(sv) < 0.0) |
1218 | return I_V(SvNVX(sv)); |
1219 | else |
5d94fbed |
1220 | return (IV) U_V(SvNVX(sv)); |
748a9306 |
1221 | } |
a0d0e21e |
1222 | if (SvPOKp(sv) && SvLEN(sv)) { |
1223 | if (dowarn && !looks_like_number(sv)) |
1224 | not_a_number(sv); |
1225 | return (IV)atol(SvPVX(sv)); |
1226 | } |
16d20bd9 |
1227 | if (!SvROK(sv)) { |
1228 | return 0; |
1229 | } |
463ee0b2 |
1230 | } |
ed6116ce |
1231 | if (SvTHINKFIRST(sv)) { |
a0d0e21e |
1232 | if (SvROK(sv)) { |
1233 | #ifdef OVERLOAD |
1234 | SV* tmpstr; |
1235 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) |
1236 | return SvIV(tmpstr); |
1237 | #endif /* OVERLOAD */ |
1238 | return (IV)SvRV(sv); |
1239 | } |
ed6116ce |
1240 | if (SvREADONLY(sv)) { |
748a9306 |
1241 | if (SvNOKp(sv)) { |
1242 | if (SvNVX(sv) < 0.0) |
1243 | return I_V(SvNVX(sv)); |
1244 | else |
5d94fbed |
1245 | return (IV) U_V(SvNVX(sv)); |
748a9306 |
1246 | } |
1247 | if (SvPOKp(sv) && SvLEN(sv)) { |
a0d0e21e |
1248 | if (dowarn && !looks_like_number(sv)) |
1249 | not_a_number(sv); |
1250 | return (IV)atol(SvPVX(sv)); |
1251 | } |
ed6116ce |
1252 | if (dowarn) |
8990e307 |
1253 | warn(warn_uninit); |
ed6116ce |
1254 | return 0; |
1255 | } |
79072805 |
1256 | } |
463ee0b2 |
1257 | switch (SvTYPE(sv)) { |
463ee0b2 |
1258 | case SVt_NULL: |
79072805 |
1259 | sv_upgrade(sv, SVt_IV); |
463ee0b2 |
1260 | return SvIVX(sv); |
1261 | case SVt_PV: |
79072805 |
1262 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 |
1263 | break; |
1264 | case SVt_NV: |
1265 | sv_upgrade(sv, SVt_PVNV); |
1266 | break; |
1267 | } |
748a9306 |
1268 | if (SvNOKp(sv)) { |
a5f75d66 |
1269 | (void)SvIOK_on(sv); |
748a9306 |
1270 | if (SvNVX(sv) < 0.0) |
1271 | SvIVX(sv) = I_V(SvNVX(sv)); |
1272 | else |
5d94fbed |
1273 | SvIVX(sv) = (IV) U_V(SvNVX(sv)); |
748a9306 |
1274 | } |
1275 | else if (SvPOKp(sv) && SvLEN(sv)) { |
a0d0e21e |
1276 | if (dowarn && !looks_like_number(sv)) |
1277 | not_a_number(sv); |
a5f75d66 |
1278 | (void)SvIOK_on(sv); |
a0d0e21e |
1279 | SvIVX(sv) = (IV)atol(SvPVX(sv)); |
93a17b20 |
1280 | } |
79072805 |
1281 | else { |
91bba347 |
1282 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 |
1283 | warn(warn_uninit); |
a0d0e21e |
1284 | return 0; |
79072805 |
1285 | } |
1edc1566 |
1286 | (void)SvIOK_on(sv); |
760ac839 |
1287 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n", |
a0d0e21e |
1288 | (unsigned long)sv,(long)SvIVX(sv))); |
463ee0b2 |
1289 | return SvIVX(sv); |
79072805 |
1290 | } |
1291 | |
1292 | double |
1293 | sv_2nv(sv) |
1294 | register SV *sv; |
1295 | { |
1296 | if (!sv) |
1297 | return 0.0; |
8990e307 |
1298 | if (SvGMAGICAL(sv)) { |
463ee0b2 |
1299 | mg_get(sv); |
1300 | if (SvNOKp(sv)) |
1301 | return SvNVX(sv); |
a0d0e21e |
1302 | if (SvPOKp(sv) && SvLEN(sv)) { |
748a9306 |
1303 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e |
1304 | not_a_number(sv); |
463ee0b2 |
1305 | return atof(SvPVX(sv)); |
a0d0e21e |
1306 | } |
463ee0b2 |
1307 | if (SvIOKp(sv)) |
1308 | return (double)SvIVX(sv); |
16d20bd9 |
1309 | if (!SvROK(sv)) { |
1310 | return 0; |
1311 | } |
463ee0b2 |
1312 | } |
ed6116ce |
1313 | if (SvTHINKFIRST(sv)) { |
a0d0e21e |
1314 | if (SvROK(sv)) { |
1315 | #ifdef OVERLOAD |
1316 | SV* tmpstr; |
1317 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) |
1318 | return SvNV(tmpstr); |
1319 | #endif /* OVERLOAD */ |
1320 | return (double)(unsigned long)SvRV(sv); |
1321 | } |
ed6116ce |
1322 | if (SvREADONLY(sv)) { |
748a9306 |
1323 | if (SvPOKp(sv) && SvLEN(sv)) { |
1324 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e |
1325 | not_a_number(sv); |
ed6116ce |
1326 | return atof(SvPVX(sv)); |
a0d0e21e |
1327 | } |
748a9306 |
1328 | if (SvIOKp(sv)) |
8990e307 |
1329 | return (double)SvIVX(sv); |
ed6116ce |
1330 | if (dowarn) |
8990e307 |
1331 | warn(warn_uninit); |
ed6116ce |
1332 | return 0.0; |
1333 | } |
79072805 |
1334 | } |
1335 | if (SvTYPE(sv) < SVt_NV) { |
463ee0b2 |
1336 | if (SvTYPE(sv) == SVt_IV) |
1337 | sv_upgrade(sv, SVt_PVNV); |
1338 | else |
1339 | sv_upgrade(sv, SVt_NV); |
760ac839 |
1340 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); |
79072805 |
1341 | } |
1342 | else if (SvTYPE(sv) < SVt_PVNV) |
1343 | sv_upgrade(sv, SVt_PVNV); |
748a9306 |
1344 | if (SvIOKp(sv) && |
1345 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) |
93a17b20 |
1346 | { |
463ee0b2 |
1347 | SvNVX(sv) = (double)SvIVX(sv); |
93a17b20 |
1348 | } |
748a9306 |
1349 | else if (SvPOKp(sv) && SvLEN(sv)) { |
1350 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e |
1351 | not_a_number(sv); |
463ee0b2 |
1352 | SvNVX(sv) = atof(SvPVX(sv)); |
93a17b20 |
1353 | } |
79072805 |
1354 | else { |
91bba347 |
1355 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 |
1356 | warn(warn_uninit); |
a0d0e21e |
1357 | return 0.0; |
79072805 |
1358 | } |
1359 | SvNOK_on(sv); |
760ac839 |
1360 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); |
463ee0b2 |
1361 | return SvNVX(sv); |
79072805 |
1362 | } |
1363 | |
1364 | char * |
463ee0b2 |
1365 | sv_2pv(sv, lp) |
79072805 |
1366 | register SV *sv; |
463ee0b2 |
1367 | STRLEN *lp; |
79072805 |
1368 | { |
1369 | register char *s; |
1370 | int olderrno; |
1371 | |
463ee0b2 |
1372 | if (!sv) { |
1373 | *lp = 0; |
1374 | return ""; |
1375 | } |
8990e307 |
1376 | if (SvGMAGICAL(sv)) { |
463ee0b2 |
1377 | mg_get(sv); |
1378 | if (SvPOKp(sv)) { |
1379 | *lp = SvCUR(sv); |
1380 | return SvPVX(sv); |
1381 | } |
1382 | if (SvIOKp(sv)) { |
a0d0e21e |
1383 | (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); |
1384 | goto tokensave; |
463ee0b2 |
1385 | } |
1386 | if (SvNOKp(sv)) { |
a0d0e21e |
1387 | Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); |
1388 | goto tokensave; |
463ee0b2 |
1389 | } |
16d20bd9 |
1390 | if (!SvROK(sv)) { |
1391 | *lp = 0; |
1392 | return ""; |
1393 | } |
463ee0b2 |
1394 | } |
ed6116ce |
1395 | if (SvTHINKFIRST(sv)) { |
1396 | if (SvROK(sv)) { |
a0d0e21e |
1397 | #ifdef OVERLOAD |
1398 | SV* tmpstr; |
1399 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) |
1400 | return SvPV(tmpstr,*lp); |
1401 | #endif /* OVERLOAD */ |
ed6116ce |
1402 | sv = (SV*)SvRV(sv); |
1403 | if (!sv) |
1404 | s = "NULLREF"; |
1405 | else { |
1406 | switch (SvTYPE(sv)) { |
1407 | case SVt_NULL: |
1408 | case SVt_IV: |
1409 | case SVt_NV: |
1410 | case SVt_RV: |
1411 | case SVt_PV: |
1412 | case SVt_PVIV: |
1413 | case SVt_PVNV: |
1414 | case SVt_PVBM: |
1415 | case SVt_PVMG: s = "SCALAR"; break; |
1416 | case SVt_PVLV: s = "LVALUE"; break; |
1417 | case SVt_PVAV: s = "ARRAY"; break; |
1418 | case SVt_PVHV: s = "HASH"; break; |
1419 | case SVt_PVCV: s = "CODE"; break; |
1420 | case SVt_PVGV: s = "GLOB"; break; |
1421 | case SVt_PVFM: s = "FORMATLINE"; break; |
8990e307 |
1422 | case SVt_PVIO: s = "FILEHANDLE"; break; |
ed6116ce |
1423 | default: s = "UNKNOWN"; break; |
1424 | } |
1425 | if (SvOBJECT(sv)) |
1426 | sprintf(tokenbuf, "%s=%s(0x%lx)", |
1427 | HvNAME(SvSTASH(sv)), s, (unsigned long)sv); |
1428 | else |
1429 | sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv); |
a0d0e21e |
1430 | goto tokensaveref; |
463ee0b2 |
1431 | } |
ed6116ce |
1432 | *lp = strlen(s); |
1433 | return s; |
79072805 |
1434 | } |
ed6116ce |
1435 | if (SvREADONLY(sv)) { |
748a9306 |
1436 | if (SvNOKp(sv)) { |
a0d0e21e |
1437 | Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); |
1438 | goto tokensave; |
ed6116ce |
1439 | } |
8bb9dbe4 |
1440 | if (SvIOKp(sv)) { |
1441 | (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); |
1442 | goto tokensave; |
1443 | } |
ed6116ce |
1444 | if (dowarn) |
8990e307 |
1445 | warn(warn_uninit); |
ed6116ce |
1446 | *lp = 0; |
1447 | return ""; |
79072805 |
1448 | } |
79072805 |
1449 | } |
1450 | if (!SvUPGRADE(sv, SVt_PV)) |
1451 | return 0; |
748a9306 |
1452 | if (SvNOKp(sv)) { |
79072805 |
1453 | if (SvTYPE(sv) < SVt_PVNV) |
1454 | sv_upgrade(sv, SVt_PVNV); |
1455 | SvGROW(sv, 28); |
463ee0b2 |
1456 | s = SvPVX(sv); |
79072805 |
1457 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 |
1458 | #ifdef apollo |
463ee0b2 |
1459 | if (SvNVX(sv) == 0.0) |
79072805 |
1460 | (void)strcpy(s,"0"); |
1461 | else |
1462 | #endif /*apollo*/ |
a0d0e21e |
1463 | Gconvert(SvNVX(sv), DBL_DIG, 0, s); |
79072805 |
1464 | errno = olderrno; |
a0d0e21e |
1465 | #ifdef FIXNEGATIVEZERO |
1466 | if (*s == '-' && s[1] == '0' && !s[2]) |
1467 | strcpy(s,"0"); |
1468 | #endif |
79072805 |
1469 | while (*s) s++; |
1470 | #ifdef hcx |
1471 | if (s[-1] == '.') |
1472 | s--; |
1473 | #endif |
1474 | } |
748a9306 |
1475 | else if (SvIOKp(sv)) { |
79072805 |
1476 | if (SvTYPE(sv) < SVt_PVIV) |
1477 | sv_upgrade(sv, SVt_PVIV); |
1478 | SvGROW(sv, 11); |
463ee0b2 |
1479 | s = SvPVX(sv); |
79072805 |
1480 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
a0d0e21e |
1481 | (void)sprintf(s,"%ld",(long)SvIVX(sv)); |
79072805 |
1482 | errno = olderrno; |
1483 | while (*s) s++; |
1484 | } |
1485 | else { |
91bba347 |
1486 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 |
1487 | warn(warn_uninit); |
a0d0e21e |
1488 | *lp = 0; |
1489 | return ""; |
79072805 |
1490 | } |
1491 | *s = '\0'; |
463ee0b2 |
1492 | *lp = s - SvPVX(sv); |
1493 | SvCUR_set(sv, *lp); |
79072805 |
1494 | SvPOK_on(sv); |
760ac839 |
1495 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); |
463ee0b2 |
1496 | return SvPVX(sv); |
a0d0e21e |
1497 | |
1498 | tokensave: |
1499 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ |
1500 | /* Sneaky stuff here */ |
1501 | |
1502 | tokensaveref: |
1503 | sv = sv_newmortal(); |
1504 | *lp = strlen(tokenbuf); |
1505 | sv_setpvn(sv, tokenbuf, *lp); |
1506 | return SvPVX(sv); |
1507 | } |
1508 | else { |
1509 | STRLEN len; |
1510 | |
1511 | #ifdef FIXNEGATIVEZERO |
1512 | if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2]) |
1513 | strcpy(tokenbuf,"0"); |
1514 | #endif |
1515 | (void)SvUPGRADE(sv, SVt_PV); |
1516 | len = *lp = strlen(tokenbuf); |
1517 | s = SvGROW(sv, len + 1); |
1518 | SvCUR_set(sv, len); |
1519 | (void)strcpy(s, tokenbuf); |
1520 | /* NO SvPOK_on(sv) here! */ |
1521 | return s; |
1522 | } |
463ee0b2 |
1523 | } |
1524 | |
1525 | /* This function is only called on magical items */ |
1526 | bool |
1527 | sv_2bool(sv) |
1528 | register SV *sv; |
1529 | { |
8990e307 |
1530 | if (SvGMAGICAL(sv)) |
463ee0b2 |
1531 | mg_get(sv); |
1532 | |
a0d0e21e |
1533 | if (!SvOK(sv)) |
1534 | return 0; |
1535 | if (SvROK(sv)) { |
1536 | #ifdef OVERLOAD |
1537 | { |
1538 | SV* tmpsv; |
1539 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) |
1540 | return SvTRUE(tmpsv); |
1541 | } |
1542 | #endif /* OVERLOAD */ |
1543 | return SvRV(sv) != 0; |
1544 | } |
463ee0b2 |
1545 | if (SvPOKp(sv)) { |
1546 | register XPV* Xpv; |
1547 | if ((Xpv = (XPV*)SvANY(sv)) && |
1548 | (*Xpv->xpv_pv > '0' || |
1549 | Xpv->xpv_cur > 1 || |
1550 | (Xpv->xpv_cur && *Xpv->xpv_pv != '0'))) |
1551 | return 1; |
1552 | else |
1553 | return 0; |
1554 | } |
1555 | else { |
1556 | if (SvIOKp(sv)) |
1557 | return SvIVX(sv) != 0; |
1558 | else { |
1559 | if (SvNOKp(sv)) |
1560 | return SvNVX(sv) != 0.0; |
1561 | else |
1562 | return FALSE; |
1563 | } |
1564 | } |
79072805 |
1565 | } |
1566 | |
1567 | /* Note: sv_setsv() should not be called with a source string that needs |
463ee0b2 |
1568 | * to be reused, since it may destroy the source string if it is marked |
79072805 |
1569 | * as temporary. |
1570 | */ |
1571 | |
1572 | void |
1573 | sv_setsv(dstr,sstr) |
1574 | SV *dstr; |
1575 | register SV *sstr; |
1576 | { |
8990e307 |
1577 | register U32 sflags; |
1578 | register int dtype; |
1579 | register int stype; |
463ee0b2 |
1580 | |
79072805 |
1581 | if (sstr == dstr) |
1582 | return; |
ed6116ce |
1583 | if (SvTHINKFIRST(dstr)) { |
8990e307 |
1584 | if (SvREADONLY(dstr) && curcop != &compiling) |
ed6116ce |
1585 | croak(no_modify); |
1586 | if (SvROK(dstr)) |
1587 | sv_unref(dstr); |
1588 | } |
79072805 |
1589 | if (!sstr) |
1590 | sstr = &sv_undef; |
8990e307 |
1591 | stype = SvTYPE(sstr); |
1592 | dtype = SvTYPE(dstr); |
79072805 |
1593 | |
8e07c86e |
1594 | if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) { |
1595 | sv_unglob(dstr); /* so fake GLOB won't perpetuate */ |
4633a7c4 |
1596 | sv_setpvn(dstr, "", 0); |
1597 | (void)SvPOK_only(dstr); |
8e07c86e |
1598 | dtype = SvTYPE(dstr); |
1599 | } |
1600 | |
a0d0e21e |
1601 | #ifdef OVERLOAD |
1602 | SvAMAGIC_off(dstr); |
1603 | #endif /* OVERLOAD */ |
463ee0b2 |
1604 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 |
1605 | |
8990e307 |
1606 | switch (stype) { |
79072805 |
1607 | case SVt_NULL: |
a0d0e21e |
1608 | (void)SvOK_off(dstr); |
79072805 |
1609 | return; |
463ee0b2 |
1610 | case SVt_IV: |
8990e307 |
1611 | if (dtype <= SVt_PV) { |
1612 | if (dtype < SVt_IV) |
1613 | sv_upgrade(dstr, SVt_IV); |
8990e307 |
1614 | else if (dtype == SVt_NV) |
1615 | sv_upgrade(dstr, SVt_PVNV); |
a0d0e21e |
1616 | else if (dtype <= SVt_PV) |
1617 | sv_upgrade(dstr, SVt_PVIV); |
8990e307 |
1618 | } |
463ee0b2 |
1619 | break; |
1620 | case SVt_NV: |
8990e307 |
1621 | if (dtype <= SVt_PVIV) { |
1622 | if (dtype < SVt_NV) |
1623 | sv_upgrade(dstr, SVt_NV); |
8990e307 |
1624 | else if (dtype == SVt_PVIV) |
1625 | sv_upgrade(dstr, SVt_PVNV); |
a0d0e21e |
1626 | else if (dtype <= SVt_PV) |
1627 | sv_upgrade(dstr, SVt_PVNV); |
8990e307 |
1628 | } |
463ee0b2 |
1629 | break; |
ed6116ce |
1630 | case SVt_RV: |
8990e307 |
1631 | if (dtype < SVt_RV) |
ed6116ce |
1632 | sv_upgrade(dstr, SVt_RV); |
c07a80fd |
1633 | else if (dtype == SVt_PVGV && |
1634 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { |
1635 | sstr = SvRV(sstr); |
a5f75d66 |
1636 | if (sstr == dstr) { |
1637 | if (curcop->cop_stash != GvSTASH(dstr)) |
1638 | GvIMPORTED_on(dstr); |
1639 | GvMULTI_on(dstr); |
1640 | return; |
1641 | } |
c07a80fd |
1642 | goto glob_assign; |
1643 | } |
ed6116ce |
1644 | break; |
463ee0b2 |
1645 | case SVt_PV: |
8990e307 |
1646 | if (dtype < SVt_PV) |
463ee0b2 |
1647 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 |
1648 | break; |
1649 | case SVt_PVIV: |
8990e307 |
1650 | if (dtype < SVt_PVIV) |
463ee0b2 |
1651 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 |
1652 | break; |
1653 | case SVt_PVNV: |
8990e307 |
1654 | if (dtype < SVt_PVNV) |
463ee0b2 |
1655 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 |
1656 | break; |
4633a7c4 |
1657 | |
1658 | case SVt_PVLV: |
4561caa4 |
1659 | sv_upgrade(dstr, SVt_PVLV); |
4633a7c4 |
1660 | break; |
1661 | |
1662 | case SVt_PVAV: |
1663 | case SVt_PVHV: |
1664 | case SVt_PVCV: |
4633a7c4 |
1665 | case SVt_PVIO: |
1666 | if (op) |
1667 | croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0), |
1668 | op_name[op->op_type]); |
1669 | else |
1670 | croak("Bizarre copy of %s", sv_reftype(sstr, 0)); |
1671 | break; |
1672 | |
79072805 |
1673 | case SVt_PVGV: |
8990e307 |
1674 | if (dtype <= SVt_PVGV) { |
c07a80fd |
1675 | glob_assign: |
a5f75d66 |
1676 | if (dtype != SVt_PVGV) { |
a0d0e21e |
1677 | char *name = GvNAME(sstr); |
1678 | STRLEN len = GvNAMELEN(sstr); |
463ee0b2 |
1679 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e |
1680 | sv_magic(dstr, dstr, '*', name, len); |
1681 | GvSTASH(dstr) = GvSTASH(sstr); |
1682 | GvNAME(dstr) = savepvn(name, len); |
1683 | GvNAMELEN(dstr) = len; |
1684 | SvFAKE_on(dstr); /* can coerce to non-glob */ |
1685 | } |
1686 | (void)SvOK_off(dstr); |
a5f75d66 |
1687 | GvINTRO_off(dstr); /* one-shot flag */ |
1edc1566 |
1688 | gp_free((GV*)dstr); |
79072805 |
1689 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 |
1690 | SvTAINT(dstr); |
a5f75d66 |
1691 | if (curcop->cop_stash != GvSTASH(dstr)) |
1692 | GvIMPORTED_on(dstr); |
1693 | GvMULTI_on(dstr); |
79072805 |
1694 | return; |
1695 | } |
1696 | /* FALL THROUGH */ |
1697 | |
1698 | default: |
8990e307 |
1699 | if (dtype < stype) |
1700 | sv_upgrade(dstr, stype); |
1701 | if (SvGMAGICAL(sstr)) |
79072805 |
1702 | mg_get(sstr); |
79072805 |
1703 | } |
1704 | |
8990e307 |
1705 | sflags = SvFLAGS(sstr); |
1706 | |
1707 | if (sflags & SVf_ROK) { |
1708 | if (dtype >= SVt_PV) { |
1709 | if (dtype == SVt_PVGV) { |
1710 | SV *sref = SvREFCNT_inc(SvRV(sstr)); |
1711 | SV *dref = 0; |
a5f75d66 |
1712 | int intro = GvINTRO(dstr); |
a0d0e21e |
1713 | |
1714 | if (intro) { |
1715 | GP *gp; |
1716 | GvGP(dstr)->gp_refcnt--; |
a5f75d66 |
1717 | GvINTRO_off(dstr); /* one-shot flag */ |
a0d0e21e |
1718 | Newz(602,gp, 1, GP); |
1719 | GvGP(dstr) = gp; |
1720 | GvREFCNT(dstr) = 1; |
1721 | GvSV(dstr) = NEWSV(72,0); |
1722 | GvLINE(dstr) = curcop->cop_line; |
1edc1566 |
1723 | GvEGV(dstr) = (GV*)dstr; |
a0d0e21e |
1724 | } |
a5f75d66 |
1725 | GvMULTI_on(dstr); |
8990e307 |
1726 | switch (SvTYPE(sref)) { |
1727 | case SVt_PVAV: |
a0d0e21e |
1728 | if (intro) |
1729 | SAVESPTR(GvAV(dstr)); |
1730 | else |
1731 | dref = (SV*)GvAV(dstr); |
8990e307 |
1732 | GvAV(dstr) = (AV*)sref; |
a5f75d66 |
1733 | if (curcop->cop_stash != GvSTASH(dstr)) |
1734 | GvIMPORTED_AV_on(dstr); |
8990e307 |
1735 | break; |
1736 | case SVt_PVHV: |
a0d0e21e |
1737 | if (intro) |
1738 | SAVESPTR(GvHV(dstr)); |
1739 | else |
1740 | dref = (SV*)GvHV(dstr); |
8990e307 |
1741 | GvHV(dstr) = (HV*)sref; |
a5f75d66 |
1742 | if (curcop->cop_stash != GvSTASH(dstr)) |
1743 | GvIMPORTED_HV_on(dstr); |
8990e307 |
1744 | break; |
1745 | case SVt_PVCV: |
a0d0e21e |
1746 | if (intro) |
1747 | SAVESPTR(GvCV(dstr)); |
748a9306 |
1748 | else { |
1749 | CV* cv = GvCV(dstr); |
4633a7c4 |
1750 | if (cv) { |
1751 | dref = (SV*)cv; |
1752 | if (dowarn && sref != dref && |
1753 | !GvCVGEN((GV*)dstr) && |
1754 | (CvROOT(cv) || CvXSUB(cv)) ) |
1755 | warn("Subroutine %s redefined", |
1756 | GvENAME((GV*)dstr)); |
1757 | SvFAKE_on(cv); |
1758 | } |
748a9306 |
1759 | } |
a5f75d66 |
1760 | if (GvCV(dstr) != (CV*)sref) { |
1761 | GvCV(dstr) = (CV*)sref; |
1762 | GvASSUMECV_on(dstr); |
1763 | } |
1764 | if (curcop->cop_stash != GvSTASH(dstr)) |
1765 | GvIMPORTED_CV_on(dstr); |
8990e307 |
1766 | break; |
91bba347 |
1767 | case SVt_PVIO: |
1768 | if (intro) |
1769 | SAVESPTR(GvIOp(dstr)); |
1770 | else |
1771 | dref = (SV*)GvIOp(dstr); |
1772 | GvIOp(dstr) = (IO*)sref; |
1773 | break; |
8990e307 |
1774 | default: |
a0d0e21e |
1775 | if (intro) |
1776 | SAVESPTR(GvSV(dstr)); |
1777 | else |
1778 | dref = (SV*)GvSV(dstr); |
8990e307 |
1779 | GvSV(dstr) = sref; |
a5f75d66 |
1780 | if (curcop->cop_stash != GvSTASH(dstr)) |
1781 | GvIMPORTED_SV_on(dstr); |
8990e307 |
1782 | break; |
1783 | } |
1784 | if (dref) |
1785 | SvREFCNT_dec(dref); |
a0d0e21e |
1786 | if (intro) |
1787 | SAVEFREESV(sref); |
8990e307 |
1788 | SvTAINT(dstr); |
1789 | return; |
1790 | } |
a0d0e21e |
1791 | if (SvPVX(dstr)) { |
760ac839 |
1792 | (void)SvOOK_off(dstr); /* backoff */ |
8990e307 |
1793 | Safefree(SvPVX(dstr)); |
a0d0e21e |
1794 | SvLEN(dstr)=SvCUR(dstr)=0; |
1795 | } |
8990e307 |
1796 | } |
a0d0e21e |
1797 | (void)SvOK_off(dstr); |
8990e307 |
1798 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce |
1799 | SvROK_on(dstr); |
8990e307 |
1800 | if (sflags & SVp_NOK) { |
ed6116ce |
1801 | SvNOK_on(dstr); |
1802 | SvNVX(dstr) = SvNVX(sstr); |
1803 | } |
8990e307 |
1804 | if (sflags & SVp_IOK) { |
a0d0e21e |
1805 | (void)SvIOK_on(dstr); |
ed6116ce |
1806 | SvIVX(dstr) = SvIVX(sstr); |
1807 | } |
a0d0e21e |
1808 | #ifdef OVERLOAD |
1809 | if (SvAMAGIC(sstr)) { |
1810 | SvAMAGIC_on(dstr); |
1811 | } |
1812 | #endif /* OVERLOAD */ |
ed6116ce |
1813 | } |
8990e307 |
1814 | else if (sflags & SVp_POK) { |
79072805 |
1815 | |
1816 | /* |
1817 | * Check to see if we can just swipe the string. If so, it's a |
1818 | * possible small lose on short strings, but a big win on long ones. |
463ee0b2 |
1819 | * It might even be a win on short strings if SvPVX(dstr) |
1820 | * has to be allocated and SvPVX(sstr) has to be freed. |
79072805 |
1821 | */ |
1822 | |
a5f75d66 |
1823 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
1824 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
1825 | { |
adbc6bb1 |
1826 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a5f75d66 |
1827 | if (SvOOK(dstr)) { |
1828 | SvFLAGS(dstr) &= ~SVf_OOK; |
1829 | Safefree(SvPVX(dstr) - SvIVX(dstr)); |
1830 | } |
1831 | else |
1832 | Safefree(SvPVX(dstr)); |
79072805 |
1833 | } |
a5f75d66 |
1834 | (void)SvPOK_only(dstr); |
463ee0b2 |
1835 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 |
1836 | SvLEN_set(dstr, SvLEN(sstr)); |
1837 | SvCUR_set(dstr, SvCUR(sstr)); |
79072805 |
1838 | SvTEMP_off(dstr); |
a5f75d66 |
1839 | (void)SvOK_off(sstr); |
79072805 |
1840 | SvPV_set(sstr, Nullch); |
1841 | SvLEN_set(sstr, 0); |
a5f75d66 |
1842 | SvCUR_set(sstr, 0); |
1843 | SvTEMP_off(sstr); |
79072805 |
1844 | } |
1845 | else { /* have to copy actual string */ |
8990e307 |
1846 | STRLEN len = SvCUR(sstr); |
1847 | |
1848 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ |
1849 | Move(SvPVX(sstr),SvPVX(dstr),len,char); |
1850 | SvCUR_set(dstr, len); |
1851 | *SvEND(dstr) = '\0'; |
a0d0e21e |
1852 | (void)SvPOK_only(dstr); |
79072805 |
1853 | } |
1854 | /*SUPPRESS 560*/ |
8990e307 |
1855 | if (sflags & SVp_NOK) { |
79072805 |
1856 | SvNOK_on(dstr); |
463ee0b2 |
1857 | SvNVX(dstr) = SvNVX(sstr); |
79072805 |
1858 | } |
8990e307 |
1859 | if (sflags & SVp_IOK) { |
a0d0e21e |
1860 | (void)SvIOK_on(dstr); |
463ee0b2 |
1861 | SvIVX(dstr) = SvIVX(sstr); |
79072805 |
1862 | } |
1863 | } |
8990e307 |
1864 | else if (sflags & SVp_NOK) { |
463ee0b2 |
1865 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e |
1866 | (void)SvNOK_only(dstr); |
79072805 |
1867 | if (SvIOK(sstr)) { |
a0d0e21e |
1868 | (void)SvIOK_on(dstr); |
463ee0b2 |
1869 | SvIVX(dstr) = SvIVX(sstr); |
79072805 |
1870 | } |
1871 | } |
8990e307 |
1872 | else if (sflags & SVp_IOK) { |
a0d0e21e |
1873 | (void)SvIOK_only(dstr); |
463ee0b2 |
1874 | SvIVX(dstr) = SvIVX(sstr); |
79072805 |
1875 | } |
1876 | else { |
a0d0e21e |
1877 | (void)SvOK_off(dstr); |
1878 | } |
463ee0b2 |
1879 | SvTAINT(dstr); |
79072805 |
1880 | } |
1881 | |
1882 | void |
1883 | sv_setpvn(sv,ptr,len) |
1884 | register SV *sv; |
1885 | register char *ptr; |
1886 | register STRLEN len; |
1887 | { |
4561caa4 |
1888 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
1889 | elicit a warning, but it won't hurt. */ |
ed6116ce |
1890 | if (SvTHINKFIRST(sv)) { |
8990e307 |
1891 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
1892 | croak(no_modify); |
1893 | if (SvROK(sv)) |
1894 | sv_unref(sv); |
1895 | } |
463ee0b2 |
1896 | if (!ptr) { |
a0d0e21e |
1897 | (void)SvOK_off(sv); |
463ee0b2 |
1898 | return; |
1899 | } |
c07a80fd |
1900 | if (SvTYPE(sv) >= SVt_PV) { |
1901 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) |
1902 | sv_unglob(sv); |
1903 | } |
1904 | else if (!sv_upgrade(sv, SVt_PV)) |
79072805 |
1905 | return; |
1906 | SvGROW(sv, len + 1); |
a0d0e21e |
1907 | Move(ptr,SvPVX(sv),len,char); |
79072805 |
1908 | SvCUR_set(sv, len); |
1909 | *SvEND(sv) = '\0'; |
a0d0e21e |
1910 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 |
1911 | SvTAINT(sv); |
79072805 |
1912 | } |
1913 | |
1914 | void |
1915 | sv_setpv(sv,ptr) |
1916 | register SV *sv; |
1917 | register char *ptr; |
1918 | { |
1919 | register STRLEN len; |
1920 | |
ed6116ce |
1921 | if (SvTHINKFIRST(sv)) { |
8990e307 |
1922 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
1923 | croak(no_modify); |
1924 | if (SvROK(sv)) |
1925 | sv_unref(sv); |
1926 | } |
463ee0b2 |
1927 | if (!ptr) { |
a0d0e21e |
1928 | (void)SvOK_off(sv); |
463ee0b2 |
1929 | return; |
1930 | } |
79072805 |
1931 | len = strlen(ptr); |
c07a80fd |
1932 | if (SvTYPE(sv) >= SVt_PV) { |
1933 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) |
1934 | sv_unglob(sv); |
1935 | } |
1936 | else if (!sv_upgrade(sv, SVt_PV)) |
79072805 |
1937 | return; |
1938 | SvGROW(sv, len + 1); |
463ee0b2 |
1939 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 |
1940 | SvCUR_set(sv, len); |
a0d0e21e |
1941 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 |
1942 | SvTAINT(sv); |
1943 | } |
1944 | |
1945 | void |
1946 | sv_usepvn(sv,ptr,len) |
1947 | register SV *sv; |
1948 | register char *ptr; |
1949 | register STRLEN len; |
1950 | { |
ed6116ce |
1951 | if (SvTHINKFIRST(sv)) { |
8990e307 |
1952 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
1953 | croak(no_modify); |
1954 | if (SvROK(sv)) |
1955 | sv_unref(sv); |
1956 | } |
463ee0b2 |
1957 | if (!SvUPGRADE(sv, SVt_PV)) |
1958 | return; |
1959 | if (!ptr) { |
a0d0e21e |
1960 | (void)SvOK_off(sv); |
463ee0b2 |
1961 | return; |
1962 | } |
1963 | if (SvPVX(sv)) |
1964 | Safefree(SvPVX(sv)); |
1965 | Renew(ptr, len+1, char); |
1966 | SvPVX(sv) = ptr; |
1967 | SvCUR_set(sv, len); |
1968 | SvLEN_set(sv, len+1); |
1969 | *SvEND(sv) = '\0'; |
a0d0e21e |
1970 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 |
1971 | SvTAINT(sv); |
79072805 |
1972 | } |
1973 | |
1974 | void |
1975 | sv_chop(sv,ptr) /* like set but assuming ptr is in sv */ |
1976 | register SV *sv; |
1977 | register char *ptr; |
1978 | { |
1979 | register STRLEN delta; |
1980 | |
a0d0e21e |
1981 | if (!ptr || !SvPOKp(sv)) |
79072805 |
1982 | return; |
ed6116ce |
1983 | if (SvTHINKFIRST(sv)) { |
8990e307 |
1984 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
1985 | croak(no_modify); |
1986 | if (SvROK(sv)) |
1987 | sv_unref(sv); |
1988 | } |
79072805 |
1989 | if (SvTYPE(sv) < SVt_PVIV) |
1990 | sv_upgrade(sv,SVt_PVIV); |
1991 | |
1992 | if (!SvOOK(sv)) { |
463ee0b2 |
1993 | SvIVX(sv) = 0; |
79072805 |
1994 | SvFLAGS(sv) |= SVf_OOK; |
1995 | } |
8990e307 |
1996 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK); |
463ee0b2 |
1997 | delta = ptr - SvPVX(sv); |
79072805 |
1998 | SvLEN(sv) -= delta; |
1999 | SvCUR(sv) -= delta; |
463ee0b2 |
2000 | SvPVX(sv) += delta; |
2001 | SvIVX(sv) += delta; |
79072805 |
2002 | } |
2003 | |
2004 | void |
2005 | sv_catpvn(sv,ptr,len) |
2006 | register SV *sv; |
2007 | register char *ptr; |
2008 | register STRLEN len; |
2009 | { |
463ee0b2 |
2010 | STRLEN tlen; |
748a9306 |
2011 | char *junk; |
a0d0e21e |
2012 | |
748a9306 |
2013 | junk = SvPV_force(sv, tlen); |
463ee0b2 |
2014 | SvGROW(sv, tlen + len + 1); |
4633a7c4 |
2015 | if (ptr == junk) |
2016 | ptr = SvPVX(sv); |
463ee0b2 |
2017 | Move(ptr,SvPVX(sv)+tlen,len,char); |
79072805 |
2018 | SvCUR(sv) += len; |
2019 | *SvEND(sv) = '\0'; |
a0d0e21e |
2020 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 |
2021 | SvTAINT(sv); |
79072805 |
2022 | } |
2023 | |
2024 | void |
2025 | sv_catsv(dstr,sstr) |
2026 | SV *dstr; |
2027 | register SV *sstr; |
2028 | { |
2029 | char *s; |
463ee0b2 |
2030 | STRLEN len; |
79072805 |
2031 | if (!sstr) |
2032 | return; |
463ee0b2 |
2033 | if (s = SvPV(sstr, len)) |
2034 | sv_catpvn(dstr,s,len); |
79072805 |
2035 | } |
2036 | |
2037 | void |
2038 | sv_catpv(sv,ptr) |
2039 | register SV *sv; |
2040 | register char *ptr; |
2041 | { |
2042 | register STRLEN len; |
463ee0b2 |
2043 | STRLEN tlen; |
748a9306 |
2044 | char *junk; |
79072805 |
2045 | |
79072805 |
2046 | if (!ptr) |
2047 | return; |
748a9306 |
2048 | junk = SvPV_force(sv, tlen); |
79072805 |
2049 | len = strlen(ptr); |
463ee0b2 |
2050 | SvGROW(sv, tlen + len + 1); |
4633a7c4 |
2051 | if (ptr == junk) |
2052 | ptr = SvPVX(sv); |
463ee0b2 |
2053 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
79072805 |
2054 | SvCUR(sv) += len; |
a0d0e21e |
2055 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 |
2056 | SvTAINT(sv); |
79072805 |
2057 | } |
2058 | |
79072805 |
2059 | SV * |
2060 | #ifdef LEAKTEST |
2061 | newSV(x,len) |
2062 | I32 x; |
2063 | #else |
2064 | newSV(len) |
2065 | #endif |
2066 | STRLEN len; |
2067 | { |
2068 | register SV *sv; |
2069 | |
4561caa4 |
2070 | new_SV(sv); |
8990e307 |
2071 | SvANY(sv) = 0; |
2072 | SvREFCNT(sv) = 1; |
2073 | SvFLAGS(sv) = 0; |
79072805 |
2074 | if (len) { |
2075 | sv_upgrade(sv, SVt_PV); |
2076 | SvGROW(sv, len + 1); |
2077 | } |
2078 | return sv; |
2079 | } |
2080 | |
1edc1566 |
2081 | /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ |
2082 | |
79072805 |
2083 | void |
2084 | sv_magic(sv, obj, how, name, namlen) |
2085 | register SV *sv; |
2086 | SV *obj; |
a0d0e21e |
2087 | int how; |
79072805 |
2088 | char *name; |
463ee0b2 |
2089 | I32 namlen; |
79072805 |
2090 | { |
2091 | MAGIC* mg; |
2092 | |
a0d0e21e |
2093 | if (SvREADONLY(sv) && curcop != &compiling && !strchr("gB", how)) |
2094 | croak(no_modify); |
4633a7c4 |
2095 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
748a9306 |
2096 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
2097 | if (how == 't') |
2098 | mg->mg_len |= 1; |
463ee0b2 |
2099 | return; |
748a9306 |
2100 | } |
463ee0b2 |
2101 | } |
2102 | else { |
2103 | if (!SvUPGRADE(sv, SVt_PVMG)) |
2104 | return; |
463ee0b2 |
2105 | } |
79072805 |
2106 | Newz(702,mg, 1, MAGIC); |
2107 | mg->mg_moremagic = SvMAGIC(sv); |
463ee0b2 |
2108 | |
79072805 |
2109 | SvMAGIC(sv) = mg; |
748a9306 |
2110 | if (!obj || obj == sv || how == '#') |
8990e307 |
2111 | mg->mg_obj = obj; |
85e6fe83 |
2112 | else { |
8990e307 |
2113 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 |
2114 | mg->mg_flags |= MGf_REFCOUNTED; |
2115 | } |
79072805 |
2116 | mg->mg_type = how; |
463ee0b2 |
2117 | mg->mg_len = namlen; |
1edc1566 |
2118 | if (name) |
2119 | if (namlen >= 0) |
2120 | mg->mg_ptr = savepvn(name, namlen); |
2121 | else if (namlen == HEf_SVKEY) |
2122 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); |
2123 | |
79072805 |
2124 | switch (how) { |
2125 | case 0: |
2126 | mg->mg_virtual = &vtbl_sv; |
2127 | break; |
a0d0e21e |
2128 | #ifdef OVERLOAD |
2129 | case 'A': |
2130 | mg->mg_virtual = &vtbl_amagic; |
2131 | break; |
2132 | case 'a': |
2133 | mg->mg_virtual = &vtbl_amagicelem; |
2134 | break; |
2135 | case 'c': |
2136 | mg->mg_virtual = 0; |
2137 | break; |
2138 | #endif /* OVERLOAD */ |
79072805 |
2139 | case 'B': |
2140 | mg->mg_virtual = &vtbl_bm; |
2141 | break; |
79072805 |
2142 | case 'E': |
2143 | mg->mg_virtual = &vtbl_env; |
2144 | break; |
2145 | case 'e': |
2146 | mg->mg_virtual = &vtbl_envelem; |
2147 | break; |
93a17b20 |
2148 | case 'g': |
2149 | mg->mg_virtual = &vtbl_mglob; |
2150 | break; |
463ee0b2 |
2151 | case 'I': |
2152 | mg->mg_virtual = &vtbl_isa; |
2153 | break; |
2154 | case 'i': |
2155 | mg->mg_virtual = &vtbl_isaelem; |
2156 | break; |
79072805 |
2157 | case 'L': |
a0d0e21e |
2158 | SvRMAGICAL_on(sv); |
93a17b20 |
2159 | mg->mg_virtual = 0; |
2160 | break; |
2161 | case 'l': |
79072805 |
2162 | mg->mg_virtual = &vtbl_dbline; |
2163 | break; |
463ee0b2 |
2164 | case 'P': |
2165 | mg->mg_virtual = &vtbl_pack; |
2166 | break; |
2167 | case 'p': |
a0d0e21e |
2168 | case 'q': |
463ee0b2 |
2169 | mg->mg_virtual = &vtbl_packelem; |
2170 | break; |
79072805 |
2171 | case 'S': |
2172 | mg->mg_virtual = &vtbl_sig; |
2173 | break; |
2174 | case 's': |
2175 | mg->mg_virtual = &vtbl_sigelem; |
2176 | break; |
463ee0b2 |
2177 | case 't': |
2178 | mg->mg_virtual = &vtbl_taint; |
748a9306 |
2179 | mg->mg_len = 1; |
463ee0b2 |
2180 | break; |
79072805 |
2181 | case 'U': |
2182 | mg->mg_virtual = &vtbl_uvar; |
2183 | break; |
2184 | case 'v': |
2185 | mg->mg_virtual = &vtbl_vec; |
2186 | break; |
2187 | case 'x': |
2188 | mg->mg_virtual = &vtbl_substr; |
2189 | break; |
2190 | case '*': |
2191 | mg->mg_virtual = &vtbl_glob; |
2192 | break; |
2193 | case '#': |
2194 | mg->mg_virtual = &vtbl_arylen; |
2195 | break; |
a0d0e21e |
2196 | case '.': |
2197 | mg->mg_virtual = &vtbl_pos; |
2198 | break; |
4633a7c4 |
2199 | case '~': /* Reserved for use by extensions not perl internals. */ |
2200 | /* Useful for attaching extension internal data to perl vars. */ |
2201 | /* Note that multiple extensions may clash if magical scalars */ |
2202 | /* etc holding private data from one are passed to another. */ |
2203 | SvRMAGICAL_on(sv); |
a0d0e21e |
2204 | break; |
79072805 |
2205 | default: |
463ee0b2 |
2206 | croak("Don't know how to handle magic of type '%c'", how); |
2207 | } |
8990e307 |
2208 | mg_magical(sv); |
2209 | if (SvGMAGICAL(sv)) |
2210 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); |
463ee0b2 |
2211 | } |
2212 | |
2213 | int |
2214 | sv_unmagic(sv, type) |
2215 | SV* sv; |
a0d0e21e |
2216 | int type; |
463ee0b2 |
2217 | { |
2218 | MAGIC* mg; |
2219 | MAGIC** mgp; |
91bba347 |
2220 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
463ee0b2 |
2221 | return 0; |
2222 | mgp = &SvMAGIC(sv); |
2223 | for (mg = *mgp; mg; mg = *mgp) { |
2224 | if (mg->mg_type == type) { |
2225 | MGVTBL* vtbl = mg->mg_virtual; |
2226 | *mgp = mg->mg_moremagic; |
2227 | if (vtbl && vtbl->svt_free) |
2228 | (*vtbl->svt_free)(sv, mg); |
2229 | if (mg->mg_ptr && mg->mg_type != 'g') |
1edc1566 |
2230 | if (mg->mg_len >= 0) |
2231 | Safefree(mg->mg_ptr); |
2232 | else if (mg->mg_len == HEf_SVKEY) |
2233 | SvREFCNT_dec((SV*)mg->mg_ptr); |
a0d0e21e |
2234 | if (mg->mg_flags & MGf_REFCOUNTED) |
2235 | SvREFCNT_dec(mg->mg_obj); |
463ee0b2 |
2236 | Safefree(mg); |
2237 | } |
2238 | else |
2239 | mgp = &mg->mg_moremagic; |
79072805 |
2240 | } |
91bba347 |
2241 | if (!SvMAGIC(sv)) { |
463ee0b2 |
2242 | SvMAGICAL_off(sv); |
8990e307 |
2243 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 |
2244 | } |
2245 | |
2246 | return 0; |
79072805 |
2247 | } |
2248 | |
2249 | void |
2250 | sv_insert(bigstr,offset,len,little,littlelen) |
2251 | SV *bigstr; |
2252 | STRLEN offset; |
2253 | STRLEN len; |
2254 | char *little; |
2255 | STRLEN littlelen; |
2256 | { |
2257 | register char *big; |
2258 | register char *mid; |
2259 | register char *midend; |
2260 | register char *bigend; |
2261 | register I32 i; |
2262 | |
8990e307 |
2263 | if (!bigstr) |
2264 | croak("Can't modify non-existent substring"); |
a0d0e21e |
2265 | SvPV_force(bigstr, na); |
79072805 |
2266 | |
2267 | i = littlelen - len; |
2268 | if (i > 0) { /* string might grow */ |
a0d0e21e |
2269 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 |
2270 | mid = big + offset + len; |
2271 | midend = bigend = big + SvCUR(bigstr); |
2272 | bigend += i; |
2273 | *bigend = '\0'; |
2274 | while (midend > mid) /* shove everything down */ |
2275 | *--bigend = *--midend; |
2276 | Move(little,big+offset,littlelen,char); |
2277 | SvCUR(bigstr) += i; |
2278 | SvSETMAGIC(bigstr); |
2279 | return; |
2280 | } |
2281 | else if (i == 0) { |
463ee0b2 |
2282 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 |
2283 | SvSETMAGIC(bigstr); |
2284 | return; |
2285 | } |
2286 | |
463ee0b2 |
2287 | big = SvPVX(bigstr); |
79072805 |
2288 | mid = big + offset; |
2289 | midend = mid + len; |
2290 | bigend = big + SvCUR(bigstr); |
2291 | |
2292 | if (midend > bigend) |
463ee0b2 |
2293 | croak("panic: sv_insert"); |
79072805 |
2294 | |
2295 | if (mid - big > bigend - midend) { /* faster to shorten from end */ |
2296 | if (littlelen) { |
2297 | Move(little, mid, littlelen,char); |
2298 | mid += littlelen; |
2299 | } |
2300 | i = bigend - midend; |
2301 | if (i > 0) { |
2302 | Move(midend, mid, i,char); |
2303 | mid += i; |
2304 | } |
2305 | *mid = '\0'; |
2306 | SvCUR_set(bigstr, mid - big); |
2307 | } |
2308 | /*SUPPRESS 560*/ |
2309 | else if (i = mid - big) { /* faster from front */ |
2310 | midend -= littlelen; |
2311 | mid = midend; |
2312 | sv_chop(bigstr,midend-i); |
2313 | big += i; |
2314 | while (i--) |
2315 | *--midend = *--big; |
2316 | if (littlelen) |
2317 | Move(little, mid, littlelen,char); |
2318 | } |
2319 | else if (littlelen) { |
2320 | midend -= littlelen; |
2321 | sv_chop(bigstr,midend); |
2322 | Move(little,midend,littlelen,char); |
2323 | } |
2324 | else { |
2325 | sv_chop(bigstr,midend); |
2326 | } |
2327 | SvSETMAGIC(bigstr); |
2328 | } |
2329 | |
2330 | /* make sv point to what nstr did */ |
2331 | |
2332 | void |
2333 | sv_replace(sv,nsv) |
2334 | register SV *sv; |
2335 | register SV *nsv; |
2336 | { |
2337 | U32 refcnt = SvREFCNT(sv); |
ed6116ce |
2338 | if (SvTHINKFIRST(sv)) { |
8990e307 |
2339 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
2340 | croak(no_modify); |
2341 | if (SvROK(sv)) |
2342 | sv_unref(sv); |
2343 | } |
79072805 |
2344 | if (SvREFCNT(nsv) != 1) |
2345 | warn("Reference miscount in sv_replace()"); |
93a17b20 |
2346 | if (SvMAGICAL(sv)) { |
a0d0e21e |
2347 | if (SvMAGICAL(nsv)) |
2348 | mg_free(nsv); |
2349 | else |
2350 | sv_upgrade(nsv, SVt_PVMG); |
93a17b20 |
2351 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e |
2352 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 |
2353 | SvMAGICAL_off(sv); |
2354 | SvMAGIC(sv) = 0; |
2355 | } |
79072805 |
2356 | SvREFCNT(sv) = 0; |
2357 | sv_clear(sv); |
2358 | StructCopy(nsv,sv,SV); |
2359 | SvREFCNT(sv) = refcnt; |
1edc1566 |
2360 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
463ee0b2 |
2361 | del_SV(nsv); |
79072805 |
2362 | } |
2363 | |
2364 | void |
2365 | sv_clear(sv) |
2366 | register SV *sv; |
2367 | { |
2368 | assert(sv); |
2369 | assert(SvREFCNT(sv) == 0); |
2370 | |
ed6116ce |
2371 | if (SvOBJECT(sv)) { |
463ee0b2 |
2372 | dSP; |
463ee0b2 |
2373 | GV* destructor; |
2374 | |
a0d0e21e |
2375 | if (defstash) { /* Still have a symbol table? */ |
2376 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); |
2377 | |
2378 | ENTER; |
2379 | SAVEFREESV(SvSTASH(sv)); |
2380 | if (destructor && GvCV(destructor)) { |
2381 | SV ref; |
2382 | |
2383 | Zero(&ref, 1, SV); |
2384 | sv_upgrade(&ref, SVt_RV); |
a0d0e21e |
2385 | SvRV(&ref) = SvREFCNT_inc(sv); |
2386 | SvROK_on(&ref); |
2387 | |
2388 | EXTEND(SP, 2); |
2389 | PUSHMARK(SP); |
2390 | PUSHs(&ref); |
2391 | PUTBACK; |
4633a7c4 |
2392 | perl_call_sv((SV*)destructor, G_DISCARD|G_EVAL|G_KEEPERR); |
748a9306 |
2393 | del_XRV(SvANY(&ref)); |
1edc1566 |
2394 | SvREFCNT(sv)--; |
a0d0e21e |
2395 | } |
2396 | LEAVE; |
2397 | } |
4633a7c4 |
2398 | else |
2399 | SvREFCNT_dec(SvSTASH(sv)); |
a0d0e21e |
2400 | if (SvOBJECT(sv)) { |
2401 | SvOBJECT_off(sv); /* Curse the object. */ |
2402 | if (SvTYPE(sv) != SVt_PVIO) |
2403 | --sv_objcount; /* XXX Might want something more general */ |
2404 | } |
1edc1566 |
2405 | if (SvREFCNT(sv)) { |
2406 | SV *ret; |
2407 | if ( perldb |
2408 | && (ret = perl_get_sv("DB::ret", FALSE)) |
2409 | && SvROK(ret) && SvRV(ret) == sv && SvREFCNT(sv) == 1) { |
2410 | /* Debugger is prone to dangling references. */ |
2411 | SvRV(ret) = 0; |
2412 | SvROK_off(ret); |
2413 | SvREFCNT(sv) = 0; |
2414 | } else { |
2415 | croak("panic: dangling references in DESTROY"); |
2416 | } |
2417 | } |
463ee0b2 |
2418 | } |
c07a80fd |
2419 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
a0d0e21e |
2420 | mg_free(sv); |
79072805 |
2421 | switch (SvTYPE(sv)) { |
8990e307 |
2422 | case SVt_PVIO: |
91bba347 |
2423 | io_close((IO*)sv); |
8990e307 |
2424 | Safefree(IoTOP_NAME(sv)); |
2425 | Safefree(IoFMT_NAME(sv)); |
2426 | Safefree(IoBOTTOM_NAME(sv)); |
a0d0e21e |
2427 | /* FALL THROUGH */ |
79072805 |
2428 | case SVt_PVBM: |
a0d0e21e |
2429 | goto freescalar; |
79072805 |
2430 | case SVt_PVCV: |
748a9306 |
2431 | case SVt_PVFM: |
85e6fe83 |
2432 | cv_undef((CV*)sv); |
a0d0e21e |
2433 | goto freescalar; |
79072805 |
2434 | case SVt_PVHV: |
85e6fe83 |
2435 | hv_undef((HV*)sv); |
a0d0e21e |
2436 | break; |
79072805 |
2437 | case SVt_PVAV: |
85e6fe83 |
2438 | av_undef((AV*)sv); |
a0d0e21e |
2439 | break; |
2440 | case SVt_PVGV: |
1edc1566 |
2441 | gp_free((GV*)sv); |
a0d0e21e |
2442 | Safefree(GvNAME(sv)); |
2443 | /* FALL THROUGH */ |
79072805 |
2444 | case SVt_PVLV: |
79072805 |
2445 | case SVt_PVMG: |
79072805 |
2446 | case SVt_PVNV: |
2447 | case SVt_PVIV: |
a0d0e21e |
2448 | freescalar: |
2449 | (void)SvOOK_off(sv); |
79072805 |
2450 | /* FALL THROUGH */ |
2451 | case SVt_PV: |
a0d0e21e |
2452 | case SVt_RV: |
8990e307 |
2453 | if (SvROK(sv)) |
2454 | SvREFCNT_dec(SvRV(sv)); |
1edc1566 |
2455 | else if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 |
2456 | Safefree(SvPVX(sv)); |
79072805 |
2457 | break; |
a0d0e21e |
2458 | /* |
79072805 |
2459 | case SVt_NV: |
79072805 |
2460 | case SVt_IV: |
79072805 |
2461 | case SVt_NULL: |
2462 | break; |
a0d0e21e |
2463 | */ |
79072805 |
2464 | } |
2465 | |
2466 | switch (SvTYPE(sv)) { |
2467 | case SVt_NULL: |
2468 | break; |
79072805 |
2469 | case SVt_IV: |
2470 | del_XIV(SvANY(sv)); |
2471 | break; |
2472 | case SVt_NV: |
2473 | del_XNV(SvANY(sv)); |
2474 | break; |
ed6116ce |
2475 | case SVt_RV: |
2476 | del_XRV(SvANY(sv)); |
2477 | break; |
79072805 |
2478 | case SVt_PV: |
2479 | del_XPV(SvANY(sv)); |
2480 | break; |
2481 | case SVt_PVIV: |
2482 | del_XPVIV(SvANY(sv)); |
2483 | break; |
2484 | case SVt_PVNV: |
2485 | del_XPVNV(SvANY(sv)); |
2486 | break; |
2487 | case SVt_PVMG: |
2488 | del_XPVMG(SvANY(sv)); |
2489 | break; |
2490 | case SVt_PVLV: |
2491 | del_XPVLV(SvANY(sv)); |
2492 | break; |
2493 | case SVt_PVAV: |
2494 | del_XPVAV(SvANY(sv)); |
2495 | break; |
2496 | case SVt_PVHV: |
2497 | del_XPVHV(SvANY(sv)); |
2498 | break; |
2499 | case SVt_PVCV: |
2500 | del_XPVCV(SvANY(sv)); |
2501 | break; |
2502 | case SVt_PVGV: |
2503 | del_XPVGV(SvANY(sv)); |
2504 | break; |
2505 | case SVt_PVBM: |
2506 | del_XPVBM(SvANY(sv)); |
2507 | break; |
2508 | case SVt_PVFM: |
2509 | del_XPVFM(SvANY(sv)); |
2510 | break; |
8990e307 |
2511 | case SVt_PVIO: |
2512 | del_XPVIO(SvANY(sv)); |
2513 | break; |
79072805 |
2514 | } |
a0d0e21e |
2515 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 |
2516 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 |
2517 | } |
2518 | |
2519 | SV * |
8990e307 |
2520 | sv_newref(sv) |
79072805 |
2521 | SV* sv; |
2522 | { |
463ee0b2 |
2523 | if (sv) |
2524 | SvREFCNT(sv)++; |
79072805 |
2525 | return sv; |
2526 | } |
2527 | |
2528 | void |
2529 | sv_free(sv) |
2530 | SV *sv; |
2531 | { |
2532 | if (!sv) |
2533 | return; |
a0d0e21e |
2534 | if (SvREADONLY(sv)) { |
2535 | if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no) |
2536 | return; |
79072805 |
2537 | } |
a0d0e21e |
2538 | if (SvREFCNT(sv) == 0) { |
2539 | if (SvFLAGS(sv) & SVf_BREAK) |
2540 | return; |
1edc1566 |
2541 | if (in_clean_all) /* All is fair */ |
2542 | return; |
79072805 |
2543 | warn("Attempt to free unreferenced scalar"); |
2544 | return; |
2545 | } |
8990e307 |
2546 | if (--SvREFCNT(sv) > 0) |
2547 | return; |
463ee0b2 |
2548 | #ifdef DEBUGGING |
2549 | if (SvTEMP(sv)) { |
2550 | warn("Attempt to free temp prematurely"); |
79072805 |
2551 | return; |
79072805 |
2552 | } |
463ee0b2 |
2553 | #endif |
79072805 |
2554 | sv_clear(sv); |
79072805 |
2555 | del_SV(sv); |
2556 | } |
2557 | |
2558 | STRLEN |
2559 | sv_len(sv) |
2560 | register SV *sv; |
2561 | { |
748a9306 |
2562 | char *junk; |
463ee0b2 |
2563 | STRLEN len; |
79072805 |
2564 | |
2565 | if (!sv) |
2566 | return 0; |
2567 | |
8990e307 |
2568 | if (SvGMAGICAL(sv)) |
2569 | len = mg_len(sv); |
2570 | else |
748a9306 |
2571 | junk = SvPV(sv, len); |
463ee0b2 |
2572 | return len; |
79072805 |
2573 | } |
2574 | |
2575 | I32 |
2576 | sv_eq(str1,str2) |
2577 | register SV *str1; |
2578 | register SV *str2; |
2579 | { |
2580 | char *pv1; |
463ee0b2 |
2581 | STRLEN cur1; |
79072805 |
2582 | char *pv2; |
463ee0b2 |
2583 | STRLEN cur2; |
79072805 |
2584 | |
2585 | if (!str1) { |
2586 | pv1 = ""; |
2587 | cur1 = 0; |
2588 | } |
463ee0b2 |
2589 | else |
2590 | pv1 = SvPV(str1, cur1); |
79072805 |
2591 | |
2592 | if (!str2) |
2593 | return !cur1; |
463ee0b2 |
2594 | else |
2595 | pv2 = SvPV(str2, cur2); |
79072805 |
2596 | |
2597 | if (cur1 != cur2) |
2598 | return 0; |
2599 | |
a026971d |
2600 | return !memcmp(pv1, pv2, cur1); |
79072805 |
2601 | } |
2602 | |
2603 | I32 |
2604 | sv_cmp(str1,str2) |
2605 | register SV *str1; |
2606 | register SV *str2; |
2607 | { |
2608 | I32 retval; |
2609 | char *pv1; |
463ee0b2 |
2610 | STRLEN cur1; |
79072805 |
2611 | char *pv2; |
463ee0b2 |
2612 | STRLEN cur2; |
79072805 |
2613 | |
2614 | if (!str1) { |
2615 | pv1 = ""; |
2616 | cur1 = 0; |
2617 | } |
463ee0b2 |
2618 | else |
2619 | pv1 = SvPV(str1, cur1); |
79072805 |
2620 | |
2621 | if (!str2) { |
2622 | pv2 = ""; |
2623 | cur2 = 0; |
2624 | } |
463ee0b2 |
2625 | else |
2626 | pv2 = SvPV(str2, cur2); |
79072805 |
2627 | |
2628 | if (!cur1) |
2629 | return cur2 ? -1 : 0; |
2630 | if (!cur2) |
2631 | return 1; |
2632 | |
2633 | if (cur1 < cur2) { |
2634 | /*SUPPRESS 560*/ |
85e6fe83 |
2635 | if (retval = memcmp((void*)pv1, (void*)pv2, cur1)) |
79072805 |
2636 | return retval < 0 ? -1 : 1; |
2637 | else |
2638 | return -1; |
2639 | } |
2640 | /*SUPPRESS 560*/ |
85e6fe83 |
2641 | else if (retval = memcmp((void*)pv1, (void*)pv2, cur2)) |
79072805 |
2642 | return retval < 0 ? -1 : 1; |
2643 | else if (cur1 == cur2) |
2644 | return 0; |
2645 | else |
2646 | return 1; |
2647 | } |
2648 | |
2649 | char * |
2650 | sv_gets(sv,fp,append) |
2651 | register SV *sv; |
760ac839 |
2652 | register PerlIO *fp; |
79072805 |
2653 | I32 append; |
2654 | { |
c07a80fd |
2655 | char *rsptr; |
2656 | STRLEN rslen; |
2657 | register STDCHAR rslast; |
2658 | register STDCHAR *bp; |
2659 | register I32 cnt; |
2660 | I32 i; |
2661 | |
ed6116ce |
2662 | if (SvTHINKFIRST(sv)) { |
8990e307 |
2663 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
2664 | croak(no_modify); |
2665 | if (SvROK(sv)) |
2666 | sv_unref(sv); |
2667 | } |
79072805 |
2668 | if (!SvUPGRADE(sv, SVt_PV)) |
a0d0e21e |
2669 | return 0; |
c07a80fd |
2670 | |
2671 | if (RsSNARF(rs)) { |
2672 | rsptr = NULL; |
2673 | rslen = 0; |
2674 | } |
2675 | else if (RsPARA(rs)) { |
2676 | rsptr = "\n\n"; |
2677 | rslen = 2; |
2678 | } |
2679 | else |
2680 | rsptr = SvPV(rs, rslen); |
2681 | rslast = rslen ? rsptr[rslen - 1] : '\0'; |
2682 | |
2683 | if (RsPARA(rs)) { /* have to do this both before and after */ |
79072805 |
2684 | do { /* to make sure file boundaries work right */ |
760ac839 |
2685 | if (PerlIO_eof(fp)) |
a0d0e21e |
2686 | return 0; |
760ac839 |
2687 | i = PerlIO_getc(fp); |
79072805 |
2688 | if (i != '\n') { |
a0d0e21e |
2689 | if (i == -1) |
2690 | return 0; |
760ac839 |
2691 | PerlIO_ungetc(fp,i); |
79072805 |
2692 | break; |
2693 | } |
2694 | } while (i != EOF); |
2695 | } |
c07a80fd |
2696 | |
760ac839 |
2697 | /* See if we know enough about I/O mechanism to cheat it ! */ |
2698 | |
2699 | /* This used to be #ifdef test - it is made run-time test for ease |
2700 | of abstracting out stdio interface. One call should be cheap |
2701 | enough here - and may even be a macro allowing compile |
2702 | time optimization. |
2703 | */ |
2704 | |
2705 | if (PerlIO_fast_gets(fp)) { |
2706 | |
2707 | /* |
2708 | * We're going to steal some values from the stdio struct |
2709 | * and put EVERYTHING in the innermost loop into registers. |
2710 | */ |
2711 | register STDCHAR *ptr; |
2712 | STRLEN bpx; |
2713 | I32 shortbuffered; |
2714 | |
c07a80fd |
2715 | |
c2960299 |
2716 | /* Here is some breathtakingly efficient cheating */ |
c07a80fd |
2717 | |
760ac839 |
2718 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
a0d0e21e |
2719 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 |
2720 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
2721 | if (cnt > 80 && SvLEN(sv) > append) { |
2722 | shortbuffered = cnt - SvLEN(sv) + append + 1; |
2723 | cnt -= shortbuffered; |
2724 | } |
2725 | else { |
2726 | shortbuffered = 0; |
2727 | SvGROW(sv, append+cnt+2);/* (remembering cnt can be -1) */ |
2728 | } |
2729 | } |
2730 | else |
2731 | shortbuffered = 0; |
c07a80fd |
2732 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
760ac839 |
2733 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
79072805 |
2734 | for (;;) { |
2735 | screamer: |
93a17b20 |
2736 | if (cnt > 0) { |
c07a80fd |
2737 | if (rslen) { |
760ac839 |
2738 | while (cnt > 0) { /* this | eat */ |
2739 | cnt--; |
c07a80fd |
2740 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
2741 | goto thats_all_folks; /* screams | sed :-) */ |
2742 | } |
2743 | } |
2744 | else { |
2745 | memcpy((char*)bp, (char*)ptr, cnt); /* this | eat */ |
2746 | bp += cnt; /* screams | dust */ |
2747 | ptr += cnt; /* louder | sed :-) */ |
a5f75d66 |
2748 | cnt = 0; |
93a17b20 |
2749 | } |
79072805 |
2750 | } |
2751 | |
748a9306 |
2752 | if (shortbuffered) { /* oh well, must extend */ |
79072805 |
2753 | cnt = shortbuffered; |
2754 | shortbuffered = 0; |
c07a80fd |
2755 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 |
2756 | SvCUR_set(sv, bpx); |
2757 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); |
c07a80fd |
2758 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
79072805 |
2759 | continue; |
2760 | } |
2761 | |
d1bf51dd |
2762 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
760ac839 |
2763 | /* This used to call 'filbuf' in stdio form, but as that behaves like getc |
2764 | when cnt <= 0 we use PerlIO_getc here to avoid another abstraction. |
2765 | This may also avoid issues with different named 'filbuf' equivalents |
2766 | */ |
2767 | i = PerlIO_getc(fp); /* get more characters */ |
2768 | cnt = PerlIO_get_cnt(fp); |
2769 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ |
79072805 |
2770 | |
748a9306 |
2771 | if (i == EOF) /* all done for ever? */ |
2772 | goto thats_really_all_folks; |
2773 | |
c07a80fd |
2774 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 |
2775 | SvCUR_set(sv, bpx); |
2776 | SvGROW(sv, bpx + cnt + 2); |
c07a80fd |
2777 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
2778 | |
760ac839 |
2779 | *bp++ = i; /* store character from PerlIO_getc */ |
79072805 |
2780 | |
c07a80fd |
2781 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
79072805 |
2782 | goto thats_all_folks; |
79072805 |
2783 | } |
2784 | |
2785 | thats_all_folks: |
c07a80fd |
2786 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
a026971d |
2787 | memcmp((char*)bp - rslen, rsptr, rslen)) |
760ac839 |
2788 | goto screamer; /* go back to the fray */ |
79072805 |
2789 | thats_really_all_folks: |
2790 | if (shortbuffered) |
2791 | cnt += shortbuffered; |
d1bf51dd |
2792 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
79072805 |
2793 | *bp = '\0'; |
760ac839 |
2794 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
2795 | } |
2796 | else |
79072805 |
2797 | { |
760ac839 |
2798 | /*The big, slow, and stupid way */ |
c07a80fd |
2799 | STDCHAR buf[8192]; |
79072805 |
2800 | |
760ac839 |
2801 | screamer2: |
c07a80fd |
2802 | if (rslen) { |
760ac839 |
2803 | register STDCHAR *bpe = buf + sizeof(buf); |
2804 | bp = buf; |
2805 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) |
2806 | ; /* keep reading */ |
2807 | cnt = bp - buf; |
c07a80fd |
2808 | } |
2809 | else { |
760ac839 |
2810 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
2811 | i = cnt ? (U8)buf[cnt - 1] : EOF; |
c07a80fd |
2812 | } |
79072805 |
2813 | |
2814 | if (append) |
760ac839 |
2815 | sv_catpvn(sv, (char *) buf, cnt); |
79072805 |
2816 | else |
760ac839 |
2817 | sv_setpvn(sv, (char *) buf, cnt); |
c07a80fd |
2818 | |
2819 | if (i != EOF && /* joy */ |
2820 | (!rslen || |
2821 | SvCUR(sv) < rslen || |
a026971d |
2822 | memcmp(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
79072805 |
2823 | { |
2824 | append = -1; |
760ac839 |
2825 | goto screamer2; |
79072805 |
2826 | } |
2827 | } |
2828 | |
c07a80fd |
2829 | if (RsPARA(rs)) { /* have to do this both before and after */ |
2830 | while (i != EOF) { /* to make sure file boundaries work right */ |
760ac839 |
2831 | i = PerlIO_getc(fp); |
79072805 |
2832 | if (i != '\n') { |
760ac839 |
2833 | PerlIO_ungetc(fp,i); |
79072805 |
2834 | break; |
2835 | } |
2836 | } |
2837 | } |
c07a80fd |
2838 | |
2839 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; |
79072805 |
2840 | } |
2841 | |
760ac839 |
2842 | |
79072805 |
2843 | void |
2844 | sv_inc(sv) |
2845 | register SV *sv; |
2846 | { |
2847 | register char *d; |
463ee0b2 |
2848 | int flags; |
79072805 |
2849 | |
2850 | if (!sv) |
2851 | return; |
ed6116ce |
2852 | if (SvTHINKFIRST(sv)) { |
8990e307 |
2853 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
2854 | croak(no_modify); |
a0d0e21e |
2855 | if (SvROK(sv)) { |
2856 | #ifdef OVERLOAD |
2857 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return; |
2858 | #endif /* OVERLOAD */ |
2859 | sv_unref(sv); |
2860 | } |
ed6116ce |
2861 | } |
8990e307 |
2862 | if (SvGMAGICAL(sv)) |
79072805 |
2863 | mg_get(sv); |
8990e307 |
2864 | flags = SvFLAGS(sv); |
2865 | if (flags & SVp_IOK) { |
a0d0e21e |
2866 | (void)SvIOK_only(sv); |
a5f75d66 |
2867 | ++SvIVX(sv); |
79072805 |
2868 | return; |
2869 | } |
8990e307 |
2870 | if (flags & SVp_NOK) { |
463ee0b2 |
2871 | SvNVX(sv) += 1.0; |
a0d0e21e |
2872 | (void)SvNOK_only(sv); |
79072805 |
2873 | return; |
2874 | } |
8990e307 |
2875 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
4633a7c4 |
2876 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
2877 | sv_upgrade(sv, SVt_NV); |
463ee0b2 |
2878 | SvNVX(sv) = 1.0; |
a0d0e21e |
2879 | (void)SvNOK_only(sv); |
79072805 |
2880 | return; |
2881 | } |
463ee0b2 |
2882 | d = SvPVX(sv); |
79072805 |
2883 | while (isALPHA(*d)) d++; |
2884 | while (isDIGIT(*d)) d++; |
2885 | if (*d) { |
463ee0b2 |
2886 | sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 |
2887 | return; |
2888 | } |
2889 | d--; |
463ee0b2 |
2890 | while (d >= SvPVX(sv)) { |
79072805 |
2891 | if (isDIGIT(*d)) { |
2892 | if (++*d <= '9') |
2893 | return; |
2894 | *(d--) = '0'; |
2895 | } |
2896 | else { |
2897 | ++*d; |
2898 | if (isALPHA(*d)) |
2899 | return; |
2900 | *(d--) -= 'z' - 'a' + 1; |
2901 | } |
2902 | } |
2903 | /* oh,oh, the number grew */ |
2904 | SvGROW(sv, SvCUR(sv) + 2); |
2905 | SvCUR(sv)++; |
463ee0b2 |
2906 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 |
2907 | *d = d[-1]; |
2908 | if (isDIGIT(d[1])) |
2909 | *d = '1'; |
2910 | else |
2911 | *d = d[1]; |
2912 | } |
2913 | |
2914 | void |
2915 | sv_dec(sv) |
2916 | register SV *sv; |
2917 | { |
463ee0b2 |
2918 | int flags; |
2919 | |
79072805 |
2920 | if (!sv) |
2921 | return; |
ed6116ce |
2922 | if (SvTHINKFIRST(sv)) { |
8990e307 |
2923 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
2924 | croak(no_modify); |
a0d0e21e |
2925 | if (SvROK(sv)) { |
2926 | #ifdef OVERLOAD |
2927 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return; |
2928 | #endif /* OVERLOAD */ |
2929 | sv_unref(sv); |
2930 | } |
ed6116ce |
2931 | } |
8990e307 |
2932 | if (SvGMAGICAL(sv)) |
79072805 |
2933 | mg_get(sv); |
8990e307 |
2934 | flags = SvFLAGS(sv); |
2935 | if (flags & SVp_IOK) { |
a0d0e21e |
2936 | (void)SvIOK_only(sv); |
a5f75d66 |
2937 | --SvIVX(sv); |
79072805 |
2938 | return; |
2939 | } |
8990e307 |
2940 | if (flags & SVp_NOK) { |
463ee0b2 |
2941 | SvNVX(sv) -= 1.0; |
a0d0e21e |
2942 | (void)SvNOK_only(sv); |
79072805 |
2943 | return; |
2944 | } |
8990e307 |
2945 | if (!(flags & SVp_POK)) { |
4633a7c4 |
2946 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
2947 | sv_upgrade(sv, SVt_NV); |
463ee0b2 |
2948 | SvNVX(sv) = -1.0; |
a0d0e21e |
2949 | (void)SvNOK_only(sv); |
79072805 |
2950 | return; |
2951 | } |
463ee0b2 |
2952 | sv_setnv(sv,atof(SvPVX(sv)) - 1.0); |
79072805 |
2953 | } |
2954 | |
2955 | /* Make a string that will exist for the duration of the expression |
2956 | * evaluation. Actually, it may have to last longer than that, but |
2957 | * hopefully we won't free it until it has been assigned to a |
2958 | * permanent location. */ |
2959 | |
8990e307 |
2960 | static void |
2961 | sv_mortalgrow() |
2962 | { |
2963 | tmps_max += 128; |
2964 | Renew(tmps_stack, tmps_max, SV*); |
2965 | } |
2966 | |
79072805 |
2967 | SV * |
2968 | sv_mortalcopy(oldstr) |
2969 | SV *oldstr; |
2970 | { |
463ee0b2 |
2971 | register SV *sv; |
79072805 |
2972 | |
4561caa4 |
2973 | new_SV(sv); |
8990e307 |
2974 | SvANY(sv) = 0; |
2975 | SvREFCNT(sv) = 1; |
2976 | SvFLAGS(sv) = 0; |
79072805 |
2977 | sv_setsv(sv,oldstr); |
8990e307 |
2978 | if (++tmps_ix >= tmps_max) |
2979 | sv_mortalgrow(); |
2980 | tmps_stack[tmps_ix] = sv; |
2981 | SvTEMP_on(sv); |
2982 | return sv; |
2983 | } |
2984 | |
2985 | SV * |
2986 | sv_newmortal() |
2987 | { |
2988 | register SV *sv; |
2989 | |
4561caa4 |
2990 | new_SV(sv); |
8990e307 |
2991 | SvANY(sv) = 0; |
2992 | SvREFCNT(sv) = 1; |
2993 | SvFLAGS(sv) = SVs_TEMP; |
2994 | if (++tmps_ix >= tmps_max) |
2995 | sv_mortalgrow(); |
79072805 |
2996 | tmps_stack[tmps_ix] = sv; |
79072805 |
2997 | return sv; |
2998 | } |
2999 | |
3000 | /* same thing without the copying */ |
3001 | |
3002 | SV * |
3003 | sv_2mortal(sv) |
3004 | register SV *sv; |
3005 | { |
3006 | if (!sv) |
3007 | return sv; |
a0d0e21e |
3008 | if (SvREADONLY(sv) && curcop != &compiling) |
3009 | croak(no_modify); |
8990e307 |
3010 | if (++tmps_ix >= tmps_max) |
3011 | sv_mortalgrow(); |
79072805 |
3012 | tmps_stack[tmps_ix] = sv; |
8990e307 |
3013 | SvTEMP_on(sv); |
79072805 |
3014 | return sv; |
3015 | } |
3016 | |
3017 | SV * |
3018 | newSVpv(s,len) |
3019 | char *s; |
3020 | STRLEN len; |
3021 | { |
463ee0b2 |
3022 | register SV *sv; |
79072805 |
3023 | |
4561caa4 |
3024 | new_SV(sv); |
8990e307 |
3025 | SvANY(sv) = 0; |
3026 | SvREFCNT(sv) = 1; |
3027 | SvFLAGS(sv) = 0; |
79072805 |
3028 | if (!len) |
3029 | len = strlen(s); |
3030 | sv_setpvn(sv,s,len); |
3031 | return sv; |
3032 | } |
3033 | |
3034 | SV * |
3035 | newSVnv(n) |
3036 | double n; |
3037 | { |
463ee0b2 |
3038 | register SV *sv; |
79072805 |
3039 | |
4561caa4 |
3040 | new_SV(sv); |
8990e307 |
3041 | SvANY(sv) = 0; |
3042 | SvREFCNT(sv) = 1; |
3043 | SvFLAGS(sv) = 0; |
79072805 |
3044 | sv_setnv(sv,n); |
3045 | return sv; |
3046 | } |
3047 | |
3048 | SV * |
3049 | newSViv(i) |
a0d0e21e |
3050 | IV i; |
79072805 |
3051 | { |
463ee0b2 |
3052 | register SV *sv; |
79072805 |
3053 | |
4561caa4 |
3054 | new_SV(sv); |
8990e307 |
3055 | SvANY(sv) = 0; |
3056 | SvREFCNT(sv) = 1; |
3057 | SvFLAGS(sv) = 0; |
79072805 |
3058 | sv_setiv(sv,i); |
3059 | return sv; |
3060 | } |
3061 | |
2304df62 |
3062 | SV * |
3063 | newRV(ref) |
3064 | SV *ref; |
3065 | { |
3066 | register SV *sv; |
3067 | |
4561caa4 |
3068 | new_SV(sv); |
2304df62 |
3069 | SvANY(sv) = 0; |
3070 | SvREFCNT(sv) = 1; |
3071 | SvFLAGS(sv) = 0; |
3072 | sv_upgrade(sv, SVt_RV); |
a0d0e21e |
3073 | SvTEMP_off(ref); |
2304df62 |
3074 | SvRV(sv) = SvREFCNT_inc(ref); |
3075 | SvROK_on(sv); |
2304df62 |
3076 | return sv; |
3077 | } |
3078 | |
79072805 |
3079 | /* make an exact duplicate of old */ |
3080 | |
3081 | SV * |
3082 | newSVsv(old) |
3083 | register SV *old; |
3084 | { |
463ee0b2 |
3085 | register SV *sv; |
79072805 |
3086 | |
3087 | if (!old) |
3088 | return Nullsv; |
8990e307 |
3089 | if (SvTYPE(old) == SVTYPEMASK) { |
79072805 |
3090 | warn("semi-panic: attempt to dup freed string"); |
3091 | return Nullsv; |
3092 | } |
4561caa4 |
3093 | new_SV(sv); |
8990e307 |
3094 | SvANY(sv) = 0; |
3095 | SvREFCNT(sv) = 1; |
3096 | SvFLAGS(sv) = 0; |
79072805 |
3097 | if (SvTEMP(old)) { |
3098 | SvTEMP_off(old); |
463ee0b2 |
3099 | sv_setsv(sv,old); |
79072805 |
3100 | SvTEMP_on(old); |
3101 | } |
3102 | else |
463ee0b2 |
3103 | sv_setsv(sv,old); |
3104 | return sv; |
79072805 |
3105 | } |
3106 | |
3107 | void |
3108 | sv_reset(s,stash) |
3109 | register char *s; |
3110 | HV *stash; |
3111 | { |
3112 | register HE *entry; |
3113 | register GV *gv; |
3114 | register SV *sv; |
3115 | register I32 i; |
3116 | register PMOP *pm; |
3117 | register I32 max; |
463ee0b2 |
3118 | char todo[256]; |
79072805 |
3119 | |
3120 | if (!*s) { /* reset ?? searches */ |
3121 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { |
3122 | pm->op_pmflags &= ~PMf_USED; |
3123 | } |
3124 | return; |
3125 | } |
3126 | |
3127 | /* reset variables */ |
3128 | |
3129 | if (!HvARRAY(stash)) |
3130 | return; |
463ee0b2 |
3131 | |
3132 | Zero(todo, 256, char); |
79072805 |
3133 | while (*s) { |
3134 | i = *s; |
3135 | if (s[1] == '-') { |
3136 | s += 2; |
3137 | } |
3138 | max = *s++; |
3139 | for ( ; i <= max; i++) { |
463ee0b2 |
3140 | todo[i] = 1; |
3141 | } |
a0d0e21e |
3142 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 |
3143 | for (entry = HvARRAY(stash)[i]; |
3144 | entry; |
1edc1566 |
3145 | entry = HeNEXT(entry)) { |
3146 | if (!todo[(U8)*HeKEY(entry)]) |
463ee0b2 |
3147 | continue; |
1edc1566 |
3148 | gv = (GV*)HeVAL(entry); |
79072805 |
3149 | sv = GvSV(gv); |
a0d0e21e |
3150 | (void)SvOK_off(sv); |
79072805 |
3151 | if (SvTYPE(sv) >= SVt_PV) { |
3152 | SvCUR_set(sv, 0); |
463ee0b2 |
3153 | SvTAINT(sv); |
3154 | if (SvPVX(sv) != Nullch) |
3155 | *SvPVX(sv) = '\0'; |
79072805 |
3156 | } |
3157 | if (GvAV(gv)) { |
3158 | av_clear(GvAV(gv)); |
3159 | } |
3160 | if (GvHV(gv)) { |
a0d0e21e |
3161 | if (HvNAME(GvHV(gv))) |
3162 | continue; |
463ee0b2 |
3163 | hv_clear(GvHV(gv)); |
a0d0e21e |
3164 | #ifndef VMS /* VMS has no environ array */ |
79072805 |
3165 | if (gv == envgv) |
3166 | environ[0] = Nullch; |
a0d0e21e |
3167 | #endif |
79072805 |
3168 | } |
3169 | } |
3170 | } |
3171 | } |
3172 | } |
3173 | |
79072805 |
3174 | CV * |
3175 | sv_2cv(sv, st, gvp, lref) |
3176 | SV *sv; |
3177 | HV **st; |
3178 | GV **gvp; |
3179 | I32 lref; |
3180 | { |
3181 | GV *gv; |
3182 | CV *cv; |
3183 | |
3184 | if (!sv) |
93a17b20 |
3185 | return *gvp = Nullgv, Nullcv; |
79072805 |
3186 | switch (SvTYPE(sv)) { |
79072805 |
3187 | case SVt_PVCV: |
3188 | *st = CvSTASH(sv); |
3189 | *gvp = Nullgv; |
3190 | return (CV*)sv; |
3191 | case SVt_PVHV: |
3192 | case SVt_PVAV: |
3193 | *gvp = Nullgv; |
3194 | return Nullcv; |
8990e307 |
3195 | case SVt_PVGV: |
3196 | gv = (GV*)sv; |
a0d0e21e |
3197 | *gvp = gv; |
8990e307 |
3198 | *st = GvESTASH(gv); |
3199 | goto fix_gv; |
3200 | |
79072805 |
3201 | default: |
a0d0e21e |
3202 | if (SvGMAGICAL(sv)) |
3203 | mg_get(sv); |
3204 | if (SvROK(sv)) { |
3205 | cv = (CV*)SvRV(sv); |
3206 | if (SvTYPE(cv) != SVt_PVCV) |
3207 | croak("Not a subroutine reference"); |
3208 | *gvp = Nullgv; |
3209 | *st = CvSTASH(cv); |
3210 | return cv; |
3211 | } |
79072805 |
3212 | if (isGV(sv)) |
3213 | gv = (GV*)sv; |
3214 | else |
85e6fe83 |
3215 | gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV); |
79072805 |
3216 | *gvp = gv; |
3217 | if (!gv) |
3218 | return Nullcv; |
3219 | *st = GvESTASH(gv); |
8990e307 |
3220 | fix_gv: |
3221 | if (lref && !GvCV(gv)) { |
4633a7c4 |
3222 | SV *tmpsv; |
748a9306 |
3223 | ENTER; |
4633a7c4 |
3224 | tmpsv = NEWSV(704,0); |
4561caa4 |
3225 | gv_efullname(tmpsv, gv, Nullch); |
748a9306 |
3226 | newSUB(start_subparse(), |
4633a7c4 |
3227 | newSVOP(OP_CONST, 0, tmpsv), |
3228 | Nullop, |
8990e307 |
3229 | Nullop); |
748a9306 |
3230 | LEAVE; |
4633a7c4 |
3231 | if (!GvCV(gv)) |
3232 | croak("Unable to create sub named \"%s\"", SvPV(sv,na)); |
8990e307 |
3233 | } |
79072805 |
3234 | return GvCV(gv); |
3235 | } |
3236 | } |
3237 | |
3238 | #ifndef SvTRUE |
3239 | I32 |
3240 | SvTRUE(sv) |
3241 | register SV *sv; |
3242 | { |
8990e307 |
3243 | if (!sv) |
3244 | return 0; |
3245 | if (SvGMAGICAL(sv)) |
79072805 |
3246 | mg_get(sv); |
3247 | if (SvPOK(sv)) { |
3248 | register XPV* Xpv; |
3249 | if ((Xpv = (XPV*)SvANY(sv)) && |
3250 | (*Xpv->xpv_pv > '0' || |
3251 | Xpv->xpv_cur > 1 || |
3252 | (Xpv->xpv_cur && *Xpv->xpv_pv != '0'))) |
3253 | return 1; |
3254 | else |
3255 | return 0; |
3256 | } |
3257 | else { |
3258 | if (SvIOK(sv)) |
463ee0b2 |
3259 | return SvIVX(sv) != 0; |
79072805 |
3260 | else { |
3261 | if (SvNOK(sv)) |
463ee0b2 |
3262 | return SvNVX(sv) != 0.0; |
79072805 |
3263 | else |
463ee0b2 |
3264 | return sv_2bool(sv); |
79072805 |
3265 | } |
3266 | } |
3267 | } |
3268 | #endif /* SvTRUE */ |
3269 | |
85e6fe83 |
3270 | #ifndef SvIV |
a0d0e21e |
3271 | IV SvIV(Sv) |
85e6fe83 |
3272 | register SV *Sv; |
3273 | { |
3274 | if (SvIOK(Sv)) |
3275 | return SvIVX(Sv); |
3276 | return sv_2iv(Sv); |
3277 | } |
3278 | #endif /* SvIV */ |
3279 | |
3280 | |
463ee0b2 |
3281 | #ifndef SvNV |
3282 | double SvNV(Sv) |
79072805 |
3283 | register SV *Sv; |
3284 | { |
79072805 |
3285 | if (SvNOK(Sv)) |
463ee0b2 |
3286 | return SvNVX(Sv); |
79072805 |
3287 | if (SvIOK(Sv)) |
463ee0b2 |
3288 | return (double)SvIVX(Sv); |
79072805 |
3289 | return sv_2nv(Sv); |
3290 | } |
463ee0b2 |
3291 | #endif /* SvNV */ |
79072805 |
3292 | |
463ee0b2 |
3293 | #ifdef CRIPPLED_CC |
79072805 |
3294 | char * |
463ee0b2 |
3295 | sv_pvn(sv, lp) |
79072805 |
3296 | SV *sv; |
463ee0b2 |
3297 | STRLEN *lp; |
79072805 |
3298 | { |
85e6fe83 |
3299 | if (SvPOK(sv)) { |
3300 | *lp = SvCUR(sv); |
a0d0e21e |
3301 | return SvPVX(sv); |
85e6fe83 |
3302 | } |
463ee0b2 |
3303 | return sv_2pv(sv, lp); |
79072805 |
3304 | } |
3305 | #endif |
3306 | |
a0d0e21e |
3307 | char * |
3308 | sv_pvn_force(sv, lp) |
3309 | SV *sv; |
3310 | STRLEN *lp; |
3311 | { |
3312 | char *s; |
3313 | |
3314 | if (SvREADONLY(sv) && curcop != &compiling) |
3315 | croak(no_modify); |
3316 | |
3317 | if (SvPOK(sv)) { |
3318 | *lp = SvCUR(sv); |
3319 | } |
3320 | else { |
748a9306 |
3321 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
4633a7c4 |
3322 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) { |
a0d0e21e |
3323 | sv_unglob(sv); |
4633a7c4 |
3324 | s = SvPVX(sv); |
3325 | *lp = SvCUR(sv); |
3326 | } |
a0d0e21e |
3327 | else |
3328 | croak("Can't coerce %s to string in %s", sv_reftype(sv,0), |
3329 | op_name[op->op_type]); |
3330 | } |
4633a7c4 |
3331 | else |
3332 | s = sv_2pv(sv, lp); |
a0d0e21e |
3333 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
3334 | STRLEN len = *lp; |
3335 | |
3336 | if (SvROK(sv)) |
3337 | sv_unref(sv); |
3338 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ |
3339 | SvGROW(sv, len + 1); |
3340 | Move(s,SvPVX(sv),len,char); |
3341 | SvCUR_set(sv, len); |
3342 | *SvEND(sv) = '\0'; |
3343 | } |
3344 | if (!SvPOK(sv)) { |
3345 | SvPOK_on(sv); /* validate pointer */ |
3346 | SvTAINT(sv); |
760ac839 |
3347 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", |
a0d0e21e |
3348 | (unsigned long)sv,SvPVX(sv))); |
3349 | } |
3350 | } |
3351 | return SvPVX(sv); |
3352 | } |
3353 | |
3354 | char * |
3355 | sv_reftype(sv, ob) |
3356 | SV* sv; |
3357 | int ob; |
3358 | { |
3359 | if (ob && SvOBJECT(sv)) |
3360 | return HvNAME(SvSTASH(sv)); |
3361 | else { |
3362 | switch (SvTYPE(sv)) { |
3363 | case SVt_NULL: |
3364 | case SVt_IV: |
3365 | case SVt_NV: |
3366 | case SVt_RV: |
3367 | case SVt_PV: |
3368 | case SVt_PVIV: |
3369 | case SVt_PVNV: |
3370 | case SVt_PVMG: |
3371 | case SVt_PVBM: |
3372 | if (SvROK(sv)) |
3373 | return "REF"; |
3374 | else |
3375 | return "SCALAR"; |
3376 | case SVt_PVLV: return "LVALUE"; |
3377 | case SVt_PVAV: return "ARRAY"; |
3378 | case SVt_PVHV: return "HASH"; |
3379 | case SVt_PVCV: return "CODE"; |
3380 | case SVt_PVGV: return "GLOB"; |
3381 | case SVt_PVFM: return "FORMLINE"; |
3382 | default: return "UNKNOWN"; |
3383 | } |
3384 | } |
3385 | } |
3386 | |
463ee0b2 |
3387 | int |
85e6fe83 |
3388 | sv_isobject(sv) |
3389 | SV *sv; |
3390 | { |
3391 | if (!SvROK(sv)) |
3392 | return 0; |
3393 | sv = (SV*)SvRV(sv); |
3394 | if (!SvOBJECT(sv)) |
3395 | return 0; |
3396 | return 1; |
3397 | } |
3398 | |
3399 | int |
463ee0b2 |
3400 | sv_isa(sv, name) |
3401 | SV *sv; |
3402 | char *name; |
3403 | { |
ed6116ce |
3404 | if (!SvROK(sv)) |
463ee0b2 |
3405 | return 0; |
ed6116ce |
3406 | sv = (SV*)SvRV(sv); |
3407 | if (!SvOBJECT(sv)) |
463ee0b2 |
3408 | return 0; |
3409 | |
3410 | return strEQ(HvNAME(SvSTASH(sv)), name); |
3411 | } |
3412 | |
3413 | SV* |
a0d0e21e |
3414 | newSVrv(rv, classname) |
463ee0b2 |
3415 | SV *rv; |
a0d0e21e |
3416 | char *classname; |
463ee0b2 |
3417 | { |
463ee0b2 |
3418 | SV *sv; |
3419 | |
4561caa4 |
3420 | new_SV(sv); |
8990e307 |
3421 | SvANY(sv) = 0; |
a0d0e21e |
3422 | SvREFCNT(sv) = 0; |
8990e307 |
3423 | SvFLAGS(sv) = 0; |
ed6116ce |
3424 | sv_upgrade(rv, SVt_RV); |
8990e307 |
3425 | SvRV(rv) = SvREFCNT_inc(sv); |
ed6116ce |
3426 | SvROK_on(rv); |
463ee0b2 |
3427 | |
a0d0e21e |
3428 | if (classname) { |
3429 | HV* stash = gv_stashpv(classname, TRUE); |
3430 | (void)sv_bless(rv, stash); |
3431 | } |
3432 | return sv; |
3433 | } |
3434 | |
3435 | SV* |
3436 | sv_setref_pv(rv, classname, pv) |
3437 | SV *rv; |
3438 | char *classname; |
3439 | void* pv; |
3440 | { |
3441 | if (!pv) |
3442 | sv_setsv(rv, &sv_undef); |
3443 | else |
3444 | sv_setiv(newSVrv(rv,classname), (IV)pv); |
3445 | return rv; |
3446 | } |
3447 | |
3448 | SV* |
3449 | sv_setref_iv(rv, classname, iv) |
3450 | SV *rv; |
3451 | char *classname; |
3452 | IV iv; |
3453 | { |
3454 | sv_setiv(newSVrv(rv,classname), iv); |
3455 | return rv; |
3456 | } |
3457 | |
3458 | SV* |
3459 | sv_setref_nv(rv, classname, nv) |
3460 | SV *rv; |
3461 | char *classname; |
3462 | double nv; |
3463 | { |
3464 | sv_setnv(newSVrv(rv,classname), nv); |
3465 | return rv; |
3466 | } |
463ee0b2 |
3467 | |
a0d0e21e |
3468 | SV* |
3469 | sv_setref_pvn(rv, classname, pv, n) |
3470 | SV *rv; |
3471 | char *classname; |
3472 | char* pv; |
3473 | I32 n; |
3474 | { |
3475 | sv_setpvn(newSVrv(rv,classname), pv, n); |
463ee0b2 |
3476 | return rv; |
3477 | } |
3478 | |
a0d0e21e |
3479 | SV* |
3480 | sv_bless(sv,stash) |
3481 | SV* sv; |
3482 | HV* stash; |
3483 | { |
3484 | SV *ref; |
3485 | if (!SvROK(sv)) |
3486 | croak("Can't bless non-reference value"); |
3487 | ref = SvRV(sv); |
3488 | if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) { |
3489 | if (SvREADONLY(ref)) |
3490 | croak(no_modify); |
3491 | if (SvOBJECT(ref) && SvTYPE(ref) != SVt_PVIO) |
3492 | --sv_objcount; |
3493 | } |
3494 | SvOBJECT_on(ref); |
3495 | ++sv_objcount; |
3496 | (void)SvUPGRADE(ref, SVt_PVMG); |
3497 | SvSTASH(ref) = (HV*)SvREFCNT_inc(stash); |
3498 | |
3499 | #ifdef OVERLOAD |
748a9306 |
3500 | SvAMAGIC_off(sv); |
a0d0e21e |
3501 | if (Gv_AMG(stash)) { |
3502 | SvAMAGIC_on(sv); |
3503 | } |
3504 | #endif /* OVERLOAD */ |
3505 | |
3506 | return sv; |
3507 | } |
3508 | |
3509 | static void |
3510 | sv_unglob(sv) |
3511 | SV* sv; |
3512 | { |
3513 | assert(SvTYPE(sv) == SVt_PVGV); |
3514 | SvFAKE_off(sv); |
3515 | if (GvGP(sv)) |
1edc1566 |
3516 | gp_free((GV*)sv); |
a0d0e21e |
3517 | sv_unmagic(sv, '*'); |
3518 | Safefree(GvNAME(sv)); |
a5f75d66 |
3519 | GvMULTI_off(sv); |
a0d0e21e |
3520 | SvFLAGS(sv) &= ~SVTYPEMASK; |
3521 | SvFLAGS(sv) |= SVt_PVMG; |
3522 | } |
3523 | |
ed6116ce |
3524 | void |
3525 | sv_unref(sv) |
3526 | SV* sv; |
3527 | { |
a0d0e21e |
3528 | SV* rv = SvRV(sv); |
3529 | |
ed6116ce |
3530 | SvRV(sv) = 0; |
3531 | SvROK_off(sv); |
4633a7c4 |
3532 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
3533 | SvREFCNT_dec(rv); |
8e07c86e |
3534 | else |
4633a7c4 |
3535 | sv_2mortal(rv); /* Schedule for freeing later */ |
ed6116ce |
3536 | } |
8990e307 |
3537 | |
3538 | #ifdef DEBUGGING |
3539 | void |
3540 | sv_dump(sv) |
3541 | SV* sv; |
3542 | { |
3543 | char tmpbuf[1024]; |
3544 | char *d = tmpbuf; |
3545 | U32 flags; |
3546 | U32 type; |
3547 | |
3548 | if (!sv) { |
760ac839 |
3549 | PerlIO_printf(Perl_debug_log, "SV = 0\n"); |
8990e307 |
3550 | return; |
3551 | } |
3552 | |
3553 | flags = SvFLAGS(sv); |
3554 | type = SvTYPE(sv); |
3555 | |
3556 | sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", |
3557 | (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); |
3558 | d += strlen(d); |
3559 | if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,"); |
3560 | if (flags & SVs_PADTMP) strcat(d, "PADTMP,"); |
3561 | if (flags & SVs_PADMY) strcat(d, "PADMY,"); |
3562 | if (flags & SVs_TEMP) strcat(d, "TEMP,"); |
3563 | if (flags & SVs_OBJECT) strcat(d, "OBJECT,"); |
3564 | if (flags & SVs_GMG) strcat(d, "GMG,"); |
3565 | if (flags & SVs_SMG) strcat(d, "SMG,"); |
3566 | if (flags & SVs_RMG) strcat(d, "RMG,"); |
3567 | d += strlen(d); |
3568 | |
3569 | if (flags & SVf_IOK) strcat(d, "IOK,"); |
3570 | if (flags & SVf_NOK) strcat(d, "NOK,"); |
3571 | if (flags & SVf_POK) strcat(d, "POK,"); |
3572 | if (flags & SVf_ROK) strcat(d, "ROK,"); |
8990e307 |
3573 | if (flags & SVf_OOK) strcat(d, "OOK,"); |
a0d0e21e |
3574 | if (flags & SVf_FAKE) strcat(d, "FAKE,"); |
8990e307 |
3575 | if (flags & SVf_READONLY) strcat(d, "READONLY,"); |
3576 | d += strlen(d); |
3577 | |
1edc1566 |
3578 | #ifdef OVERLOAD |
3579 | if (flags & SVf_AMAGIC) strcat(d, "OVERLOAD,"); |
3580 | #endif /* OVERLOAD */ |
8990e307 |
3581 | if (flags & SVp_IOK) strcat(d, "pIOK,"); |
3582 | if (flags & SVp_NOK) strcat(d, "pNOK,"); |
3583 | if (flags & SVp_POK) strcat(d, "pPOK,"); |
3584 | if (flags & SVp_SCREAM) strcat(d, "SCREAM,"); |
1edc1566 |
3585 | |
3586 | switch (type) { |
3587 | case SVt_PVCV: |
3588 | if (CvANON(sv)) strcat(d, "ANON,"); |
3589 | if (CvCLONE(sv)) strcat(d, "CLONE,"); |
3590 | if (CvCLONED(sv)) strcat(d, "CLONED,"); |
3591 | break; |
3592 | case SVt_PVGV: |
3593 | if (GvMULTI(sv)) strcat(d, "MULTI,"); |
3594 | #ifdef OVERLOAD |
3595 | if (flags & SVpgv_AM) strcat(d, "withOVERLOAD,"); |
3596 | #endif /* OVERLOAD */ |
3597 | } |
3598 | |
8990e307 |
3599 | d += strlen(d); |
3600 | if (d[-1] == ',') |
3601 | d--; |
3602 | *d++ = ')'; |
3603 | *d = '\0'; |
3604 | |
760ac839 |
3605 | PerlIO_printf(Perl_debug_log, "SV = "); |
8990e307 |
3606 | switch (type) { |
3607 | case SVt_NULL: |
760ac839 |
3608 | PerlIO_printf(Perl_debug_log, "NULL%s\n", tmpbuf); |
8990e307 |
3609 | return; |
3610 | case SVt_IV: |
760ac839 |
3611 | PerlIO_printf(Perl_debug_log, "IV%s\n", tmpbuf); |
8990e307 |
3612 | break; |
3613 | case SVt_NV: |
760ac839 |
3614 | PerlIO_printf(Perl_debug_log, "NV%s\n", tmpbuf); |
8990e307 |
3615 | break; |
3616 | case SVt_RV: |
760ac839 |
3617 | PerlIO_printf(Perl_debug_log, "RV%s\n", tmpbuf); |
8990e307 |
3618 | break; |
3619 | case SVt_PV: |
760ac839 |
3620 | PerlIO_printf(Perl_debug_log, "PV%s\n", tmpbuf); |
8990e307 |
3621 | break; |
3622 | case SVt_PVIV: |
760ac839 |
3623 | PerlIO_printf(Perl_debug_log, "PVIV%s\n", tmpbuf); |
8990e307 |
3624 | break; |
3625 | case SVt_PVNV: |
760ac839 |
3626 | PerlIO_printf(Perl_debug_log, "PVNV%s\n", tmpbuf); |
8990e307 |
3627 | break; |
3628 | case SVt_PVBM: |
760ac839 |
3629 | PerlIO_printf(Perl_debug_log, "PVBM%s\n", tmpbuf); |
8990e307 |
3630 | break; |
3631 | case SVt_PVMG: |
760ac839 |
3632 | PerlIO_printf(Perl_debug_log, "PVMG%s\n", tmpbuf); |
8990e307 |
3633 | break; |
3634 | case SVt_PVLV: |
760ac839 |
3635 | PerlIO_printf(Perl_debug_log, "PVLV%s\n", tmpbuf); |
8990e307 |
3636 | break; |
3637 | case SVt_PVAV: |
760ac839 |
3638 | PerlIO_printf(Perl_debug_log, "PVAV%s\n", tmpbuf); |
8990e307 |
3639 | break; |
3640 | case SVt_PVHV: |
760ac839 |
3641 | PerlIO_printf(Perl_debug_log, "PVHV%s\n", tmpbuf); |
8990e307 |
3642 | break; |
3643 | case SVt_PVCV: |
760ac839 |
3644 | PerlIO_printf(Perl_debug_log, "PVCV%s\n", tmpbuf); |
8990e307 |
3645 | break; |
3646 | case SVt_PVGV: |
760ac839 |
3647 | PerlIO_printf(Perl_debug_log, "PVGV%s\n", tmpbuf); |
8990e307 |
3648 | break; |
3649 | case SVt_PVFM: |
760ac839 |
3650 | PerlIO_printf(Perl_debug_log, "PVFM%s\n", tmpbuf); |
8990e307 |
3651 | break; |
3652 | case SVt_PVIO: |
760ac839 |
3653 | PerlIO_printf(Perl_debug_log, "PVIO%s\n", tmpbuf); |
8990e307 |
3654 | break; |
3655 | default: |
760ac839 |
3656 | PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", tmpbuf); |
8990e307 |
3657 | return; |
3658 | } |
3659 | if (type >= SVt_PVIV || type == SVt_IV) |
760ac839 |
3660 | PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv)); |
8990e307 |
3661 | if (type >= SVt_PVNV || type == SVt_NV) |
760ac839 |
3662 | PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); |
8990e307 |
3663 | if (SvROK(sv)) { |
760ac839 |
3664 | PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv)); |
8990e307 |
3665 | sv_dump(SvRV(sv)); |
3666 | return; |
3667 | } |
3668 | if (type < SVt_PV) |
3669 | return; |
3670 | if (type <= SVt_PVLV) { |
3671 | if (SvPVX(sv)) |
760ac839 |
3672 | PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", |
a0d0e21e |
3673 | (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); |
8990e307 |
3674 | else |
760ac839 |
3675 | PerlIO_printf(Perl_debug_log, " PV = 0\n"); |
8990e307 |
3676 | } |
3677 | if (type >= SVt_PVMG) { |
3678 | if (SvMAGIC(sv)) { |
760ac839 |
3679 | PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); |
8990e307 |
3680 | } |
3681 | if (SvSTASH(sv)) |
760ac839 |
3682 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv))); |
8990e307 |
3683 | } |
3684 | switch (type) { |
3685 | case SVt_PVLV: |
760ac839 |
3686 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv)); |
3687 | PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); |
3688 | PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); |
3689 | PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv)); |
8990e307 |
3690 | sv_dump(LvTARG(sv)); |
3691 | break; |
3692 | case SVt_PVAV: |
760ac839 |
3693 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); |
3694 | PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); |
3695 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv)); |
3696 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv)); |
3697 | PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); |
4633a7c4 |
3698 | flags = AvFLAGS(sv); |
3699 | d = tmpbuf; |
1edc1566 |
3700 | *d = '\0'; |
4633a7c4 |
3701 | if (flags & AVf_REAL) strcat(d, "REAL,"); |
3702 | if (flags & AVf_REIFY) strcat(d, "REIFY,"); |
3703 | if (flags & AVf_REUSED) strcat(d, "REUSED,"); |
3704 | if (*d) |
3705 | d[strlen(d)-1] = '\0'; |
760ac839 |
3706 | PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", d); |
8990e307 |
3707 | break; |
3708 | case SVt_PVHV: |
760ac839 |
3709 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); |
3710 | PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv)); |
3711 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv)); |
3712 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv)); |
3713 | PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv)); |
3714 | PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv)); |
8990e307 |
3715 | if (HvPMROOT(sv)) |
760ac839 |
3716 | PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); |
8990e307 |
3717 | if (HvNAME(sv)) |
760ac839 |
3718 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv)); |
8990e307 |
3719 | break; |
3720 | case SVt_PVFM: |
3721 | case SVt_PVCV: |
1edc1566 |
3722 | if (SvPOK(sv)) |
760ac839 |
3723 | PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na)); |
3724 | PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv)); |
3725 | PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv)); |
3726 | PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv)); |
3727 | PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); |
3728 | PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); |
d1bf51dd |
3729 | PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv)); |
1edc1566 |
3730 | if (CvGV(sv) && GvNAME(CvGV(sv))) { |
d1bf51dd |
3731 | PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv))); |
1edc1566 |
3732 | } else { |
d1bf51dd |
3733 | PerlIO_printf(Perl_debug_log, "\n"); |
1edc1566 |
3734 | } |
760ac839 |
3735 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); |
3736 | PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv)); |
3737 | PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); |
3738 | PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); |
8990e307 |
3739 | if (type == SVt_PVFM) |
760ac839 |
3740 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv)); |
8990e307 |
3741 | break; |
3742 | case SVt_PVGV: |
760ac839 |
3743 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv)); |
3744 | PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); |
3745 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv))); |
3746 | PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv)); |
3747 | PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv)); |
3748 | PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv)); |
3749 | PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv)); |
3750 | PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv)); |
3751 | PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv)); |
3752 | PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv)); |
3753 | PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv)); |
3754 | PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); |
3755 | PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); |
3756 | PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv)); |
3757 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%x\n", (int)GvFLAGS(sv)); |
3758 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv))); |
3759 | PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv)); |
8990e307 |
3760 | break; |
3761 | case SVt_PVIO: |
760ac839 |
3762 | PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv)); |
3763 | PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv)); |
3764 | PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); |
3765 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv)); |
3766 | PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv)); |
3767 | PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); |
3768 | PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); |
3769 | PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv)); |
3770 | PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); |
3771 | PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv)); |
3772 | PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); |
3773 | PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv)); |
3774 | PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); |
3775 | PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); |
3776 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv)); |
3777 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); |
8990e307 |
3778 | break; |
3779 | } |
3780 | } |
2304df62 |
3781 | #else |
3782 | void |
3783 | sv_dump(sv) |
3784 | SV* sv; |
3785 | { |
3786 | } |
8990e307 |
3787 | #endif |
a0d0e21e |
3788 | |
3789 | IO* |
3790 | sv_2io(sv) |
3791 | SV *sv; |
3792 | { |
3793 | IO* io; |
3794 | GV* gv; |
3795 | |
3796 | switch (SvTYPE(sv)) { |
3797 | case SVt_PVIO: |
3798 | io = (IO*)sv; |
3799 | break; |
3800 | case SVt_PVGV: |
3801 | gv = (GV*)sv; |
3802 | io = GvIO(gv); |
3803 | if (!io) |
3804 | croak("Bad filehandle: %s", GvNAME(gv)); |
3805 | break; |
3806 | default: |
3807 | if (!SvOK(sv)) |
3808 | croak(no_usym, "filehandle"); |
3809 | if (SvROK(sv)) |
3810 | return sv_2io(SvRV(sv)); |
3811 | gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO); |
3812 | if (gv) |
3813 | io = GvIO(gv); |
3814 | else |
3815 | io = 0; |
3816 | if (!io) |
3817 | croak("Bad filehandle: %s", SvPV(sv,na)); |
3818 | break; |
3819 | } |
3820 | return io; |
3821 | } |
3822 | |