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