Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* sv.c |
79072805 | 2 | * |
9607fc9c | 3 | * Copyright (c) 1991-1997, Larry Wall |
79072805 LW |
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 LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "I wonder what the Entish is for 'yes' and 'no'," he thought. | |
79072805 LW |
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 LW |
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 | |
36477c24 | 43 | static IV asIV _((SV* sv)); |
44 | static UV asUV _((SV* sv)); | |
a0d0e21e LW |
45 | static SV *more_sv _((void)); |
46 | static XPVIV *more_xiv _((void)); | |
47 | static XPVNV *more_xnv _((void)); | |
48 | static XPV *more_xpv _((void)); | |
49 | static XRV *more_xrv _((void)); | |
a0d0e21e LW |
50 | static XPVIV *new_xiv _((void)); |
51 | static XPVNV *new_xnv _((void)); | |
52 | static XPV *new_xpv _((void)); | |
53 | static XRV *new_xrv _((void)); | |
54 | static void del_xiv _((XPVIV* p)); | |
55 | static void del_xnv _((XPVNV* p)); | |
56 | static void del_xpv _((XPV* p)); | |
57 | static void del_xrv _((XRV* p)); | |
58 | static void sv_mortalgrow _((void)); | |
a0d0e21e | 59 | static void sv_unglob _((SV* sv)); |
0f15f207 | 60 | static void sv_check_thinkfirst _((SV *sv)); |
a0d0e21e | 61 | |
4561caa4 CS |
62 | typedef void (*SVFUNC) _((SV*)); |
63 | ||
a0d0e21e | 64 | #ifdef PURIFY |
79072805 | 65 | |
4561caa4 CS |
66 | #define new_SV(p) \ |
67 | do { \ | |
68 | (p) = (SV*)safemalloc(sizeof(SV)); \ | |
69 | reg_add(p); \ | |
70 | } while (0) | |
71 | ||
72 | #define del_SV(p) \ | |
73 | do { \ | |
74 | reg_remove(p); \ | |
75 | free((char*)(p)); \ | |
76 | } while (0) | |
77 | ||
78 | static SV **registry; | |
79 | static I32 regsize; | |
80 | ||
81 | #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size)) | |
82 | ||
83 | #define REG_REPLACE(sv,a,b) \ | |
84 | do { \ | |
85 | void* p = sv->sv_any; \ | |
86 | I32 h = REGHASH(sv, regsize); \ | |
87 | I32 i = h; \ | |
88 | while (registry[i] != (a)) { \ | |
89 | if (++i >= regsize) \ | |
90 | i = 0; \ | |
91 | if (i == h) \ | |
92 | die("SV registry bug"); \ | |
93 | } \ | |
94 | registry[i] = (b); \ | |
95 | } while (0) | |
96 | ||
97 | #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv) | |
98 | #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv) | |
99 | ||
100 | static void | |
101 | reg_add(sv) | |
102 | SV* sv; | |
103 | { | |
104 | if (sv_count >= (regsize >> 1)) | |
105 | { | |
106 | SV **oldreg = registry; | |
107 | I32 oldsize = regsize; | |
108 | ||
109 | regsize = regsize ? ((regsize << 2) + 1) : 2037; | |
110 | registry = (SV**)safemalloc(regsize * sizeof(SV*)); | |
111 | memzero(registry, regsize * sizeof(SV*)); | |
112 | ||
113 | if (oldreg) { | |
114 | I32 i; | |
115 | ||
116 | for (i = 0; i < oldsize; ++i) { | |
117 | SV* oldsv = oldreg[i]; | |
118 | if (oldsv) | |
119 | REG_ADD(oldsv); | |
120 | } | |
121 | Safefree(oldreg); | |
122 | } | |
123 | } | |
124 | ||
125 | REG_ADD(sv); | |
126 | ++sv_count; | |
127 | } | |
128 | ||
129 | static void | |
130 | reg_remove(sv) | |
131 | SV* sv; | |
132 | { | |
133 | REG_REMOVE(sv); | |
134 | --sv_count; | |
135 | } | |
136 | ||
137 | static void | |
138 | visit(f) | |
139 | SVFUNC f; | |
140 | { | |
141 | I32 i; | |
142 | ||
143 | for (i = 0; i < regsize; ++i) { | |
144 | SV* sv = registry[i]; | |
145 | if (sv) | |
146 | (*f)(sv); | |
147 | } | |
148 | } | |
a0d0e21e | 149 | |
4633a7c4 LW |
150 | void |
151 | sv_add_arena(ptr, size, flags) | |
152 | char* ptr; | |
153 | U32 size; | |
154 | U32 flags; | |
155 | { | |
156 | if (!(flags & SVf_FAKE)) | |
157 | free(ptr); | |
158 | } | |
159 | ||
4561caa4 CS |
160 | #else /* ! PURIFY */ |
161 | ||
162 | /* | |
163 | * "A time to plant, and a time to uproot what was planted..." | |
164 | */ | |
165 | ||
166 | #define plant_SV(p) \ | |
167 | do { \ | |
168 | SvANY(p) = (void *)sv_root; \ | |
169 | SvFLAGS(p) = SVTYPEMASK; \ | |
170 | sv_root = (p); \ | |
171 | --sv_count; \ | |
172 | } while (0) | |
a0d0e21e | 173 | |
fc36a67e | 174 | #define uproot_SV(p) \ |
4561caa4 | 175 | do { \ |
11343788 | 176 | MUTEX_LOCK(&sv_mutex); \ |
4561caa4 CS |
177 | (p) = sv_root; \ |
178 | sv_root = (SV*)SvANY(p); \ | |
a0d0e21e | 179 | ++sv_count; \ |
11343788 | 180 | MUTEX_UNLOCK(&sv_mutex); \ |
4561caa4 | 181 | } while (0) |
463ee0b2 | 182 | |
4561caa4 CS |
183 | #define new_SV(p) \ |
184 | if (sv_root) \ | |
185 | uproot_SV(p); \ | |
186 | else \ | |
187 | (p) = more_sv() | |
463ee0b2 | 188 | |
a0d0e21e | 189 | #ifdef DEBUGGING |
4561caa4 | 190 | |
a0d0e21e LW |
191 | #define del_SV(p) \ |
192 | if (debug & 32768) \ | |
193 | del_sv(p); \ | |
4561caa4 CS |
194 | else \ |
195 | plant_SV(p) | |
a0d0e21e | 196 | |
463ee0b2 LW |
197 | static void |
198 | del_sv(p) | |
199 | SV* p; | |
200 | { | |
a0d0e21e | 201 | if (debug & 32768) { |
4633a7c4 | 202 | SV* sva; |
a0d0e21e LW |
203 | SV* sv; |
204 | SV* svend; | |
205 | int ok = 0; | |
4633a7c4 LW |
206 | for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { |
207 | sv = sva + 1; | |
208 | svend = &sva[SvREFCNT(sva)]; | |
a0d0e21e LW |
209 | if (p >= sv && p < svend) |
210 | ok = 1; | |
211 | } | |
212 | if (!ok) { | |
213 | warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p); | |
214 | return; | |
215 | } | |
216 | } | |
4561caa4 | 217 | plant_SV(p); |
463ee0b2 | 218 | } |
a0d0e21e | 219 | |
4561caa4 CS |
220 | #else /* ! DEBUGGING */ |
221 | ||
222 | #define del_SV(p) plant_SV(p) | |
223 | ||
224 | #endif /* DEBUGGING */ | |
463ee0b2 | 225 | |
4633a7c4 LW |
226 | void |
227 | sv_add_arena(ptr, size, flags) | |
228 | char* ptr; | |
229 | U32 size; | |
230 | U32 flags; | |
463ee0b2 | 231 | { |
4633a7c4 | 232 | SV* sva = (SV*)ptr; |
463ee0b2 LW |
233 | register SV* sv; |
234 | register SV* svend; | |
4633a7c4 LW |
235 | Zero(sva, size, char); |
236 | ||
237 | /* The first SV in an arena isn't an SV. */ | |
238 | SvANY(sva) = (void *) sv_arenaroot; /* ptr to next arena */ | |
239 | SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */ | |
240 | SvFLAGS(sva) = flags; /* FAKE if not to be freed */ | |
241 | ||
242 | sv_arenaroot = sva; | |
243 | sv_root = sva + 1; | |
244 | ||
245 | svend = &sva[SvREFCNT(sva) - 1]; | |
246 | sv = sva + 1; | |
463ee0b2 | 247 | while (sv < svend) { |
a0d0e21e | 248 | SvANY(sv) = (void *)(SV*)(sv + 1); |
8990e307 | 249 | SvFLAGS(sv) = SVTYPEMASK; |
463ee0b2 LW |
250 | sv++; |
251 | } | |
252 | SvANY(sv) = 0; | |
4633a7c4 LW |
253 | SvFLAGS(sv) = SVTYPEMASK; |
254 | } | |
255 | ||
256 | static SV* | |
257 | more_sv() | |
258 | { | |
4561caa4 CS |
259 | register SV* sv; |
260 | ||
c07a80fd | 261 | if (nice_chunk) { |
262 | sv_add_arena(nice_chunk, nice_chunk_size, 0); | |
263 | nice_chunk = Nullch; | |
264 | } | |
1edc1566 | 265 | else { |
266 | char *chunk; /* must use New here to match call to */ | |
267 | New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */ | |
268 | sv_add_arena(chunk, 1008, 0); | |
269 | } | |
4561caa4 CS |
270 | uproot_SV(sv); |
271 | return sv; | |
463ee0b2 LW |
272 | } |
273 | ||
4561caa4 CS |
274 | static void |
275 | visit(f) | |
276 | SVFUNC f; | |
8990e307 | 277 | { |
4633a7c4 | 278 | SV* sva; |
8990e307 LW |
279 | SV* sv; |
280 | register SV* svend; | |
281 | ||
4561caa4 | 282 | for (sva = sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { |
4633a7c4 | 283 | svend = &sva[SvREFCNT(sva)]; |
4561caa4 CS |
284 | for (sv = sva + 1; sv < svend; ++sv) { |
285 | if (SvTYPE(sv) != SVTYPEMASK) | |
286 | (*f)(sv); | |
8990e307 LW |
287 | } |
288 | } | |
289 | } | |
290 | ||
4561caa4 CS |
291 | #endif /* PURIFY */ |
292 | ||
293 | static void | |
294 | do_report_used(sv) | |
295 | SV* sv; | |
296 | { | |
297 | if (SvTYPE(sv) != SVTYPEMASK) { | |
d1bf51dd | 298 | /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */ |
4561caa4 CS |
299 | PerlIO_printf(PerlIO_stderr(), "****\n"); |
300 | sv_dump(sv); | |
301 | } | |
302 | } | |
303 | ||
8990e307 | 304 | void |
4561caa4 CS |
305 | sv_report_used() |
306 | { | |
307 | visit(do_report_used); | |
308 | } | |
309 | ||
310 | static void | |
311 | do_clean_objs(sv) | |
312 | SV* sv; | |
8990e307 | 313 | { |
a0d0e21e | 314 | SV* rv; |
8990e307 | 315 | |
4561caa4 | 316 | if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { |
d1bf51dd | 317 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));) |
4561caa4 CS |
318 | SvROK_off(sv); |
319 | SvRV(sv) = 0; | |
320 | SvREFCNT_dec(rv); | |
a5f75d66 | 321 | } |
4561caa4 CS |
322 | |
323 | /* XXX Might want to check arrays, etc. */ | |
324 | } | |
325 | ||
326 | #ifndef DISABLE_DESTRUCTOR_KLUDGE | |
327 | static void | |
328 | do_clean_named_objs(sv) | |
329 | SV* sv; | |
330 | { | |
331 | if (SvTYPE(sv) == SVt_PVGV && GvSV(sv)) | |
332 | do_clean_objs(GvSV(sv)); | |
333 | } | |
a5f75d66 | 334 | #endif |
4561caa4 | 335 | |
477f5d66 CS |
336 | static bool in_clean_objs = FALSE; |
337 | ||
4561caa4 CS |
338 | void |
339 | sv_clean_objs() | |
340 | { | |
477f5d66 | 341 | in_clean_objs = TRUE; |
4561caa4 CS |
342 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
343 | visit(do_clean_named_objs); | |
344 | #endif | |
345 | visit(do_clean_objs); | |
477f5d66 | 346 | in_clean_objs = FALSE; |
4561caa4 CS |
347 | } |
348 | ||
349 | static void | |
350 | do_clean_all(sv) | |
351 | SV* sv; | |
352 | { | |
d1bf51dd | 353 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));) |
4561caa4 CS |
354 | SvFLAGS(sv) |= SVf_BREAK; |
355 | SvREFCNT_dec(sv); | |
8990e307 LW |
356 | } |
357 | ||
477f5d66 | 358 | static bool in_clean_all = FALSE; |
1edc1566 | 359 | |
8990e307 | 360 | void |
8990e307 LW |
361 | sv_clean_all() |
362 | { | |
477f5d66 | 363 | in_clean_all = TRUE; |
4561caa4 | 364 | visit(do_clean_all); |
477f5d66 | 365 | in_clean_all = FALSE; |
8990e307 | 366 | } |
463ee0b2 | 367 | |
4633a7c4 LW |
368 | void |
369 | sv_free_arenas() | |
370 | { | |
371 | SV* sva; | |
372 | SV* svanext; | |
373 | ||
374 | /* Free arenas here, but be careful about fake ones. (We assume | |
375 | contiguity of the fake ones with the corresponding real ones.) */ | |
376 | ||
377 | for (sva = sv_arenaroot; sva; sva = svanext) { | |
378 | svanext = (SV*) SvANY(sva); | |
379 | while (svanext && SvFAKE(svanext)) | |
380 | svanext = (SV*) SvANY(svanext); | |
381 | ||
382 | if (!SvFAKE(sva)) | |
1edc1566 | 383 | Safefree((void *)sva); |
4633a7c4 | 384 | } |
5f05dabc | 385 | |
386 | sv_arenaroot = 0; | |
387 | sv_root = 0; | |
4633a7c4 LW |
388 | } |
389 | ||
463ee0b2 LW |
390 | static XPVIV* |
391 | new_xiv() | |
392 | { | |
a0d0e21e | 393 | IV** xiv; |
463ee0b2 LW |
394 | if (xiv_root) { |
395 | xiv = xiv_root; | |
85e6fe83 LW |
396 | /* |
397 | * See comment in more_xiv() -- RAM. | |
398 | */ | |
a0d0e21e | 399 | xiv_root = (IV**)*xiv; |
463ee0b2 LW |
400 | return (XPVIV*)((char*)xiv - sizeof(XPV)); |
401 | } | |
402 | return more_xiv(); | |
403 | } | |
404 | ||
405 | static void | |
406 | del_xiv(p) | |
407 | XPVIV* p; | |
408 | { | |
a0d0e21e LW |
409 | IV** xiv = (IV**)((char*)(p) + sizeof(XPV)); |
410 | *xiv = (IV *)xiv_root; | |
463ee0b2 LW |
411 | xiv_root = xiv; |
412 | } | |
413 | ||
414 | static XPVIV* | |
415 | more_xiv() | |
416 | { | |
a0d0e21e LW |
417 | register IV** xiv; |
418 | register IV** xivend; | |
419 | XPV* ptr = (XPV*)safemalloc(1008); | |
420 | ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */ | |
421 | xiv_arenaroot = ptr; /* to keep Purify happy */ | |
422 | ||
423 | xiv = (IV**) ptr; | |
424 | xivend = &xiv[1008 / sizeof(IV *) - 1]; | |
425 | xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */ | |
463ee0b2 LW |
426 | xiv_root = xiv; |
427 | while (xiv < xivend) { | |
a0d0e21e | 428 | *xiv = (IV *)(xiv + 1); |
463ee0b2 LW |
429 | xiv++; |
430 | } | |
85e6fe83 | 431 | *xiv = 0; |
463ee0b2 LW |
432 | return new_xiv(); |
433 | } | |
434 | ||
463ee0b2 LW |
435 | static XPVNV* |
436 | new_xnv() | |
437 | { | |
438 | double* xnv; | |
439 | if (xnv_root) { | |
440 | xnv = xnv_root; | |
441 | xnv_root = *(double**)xnv; | |
442 | return (XPVNV*)((char*)xnv - sizeof(XPVIV)); | |
443 | } | |
444 | return more_xnv(); | |
445 | } | |
446 | ||
447 | static void | |
448 | del_xnv(p) | |
449 | XPVNV* p; | |
450 | { | |
451 | double* xnv = (double*)((char*)(p) + sizeof(XPVIV)); | |
452 | *(double**)xnv = xnv_root; | |
453 | xnv_root = xnv; | |
454 | } | |
455 | ||
456 | static XPVNV* | |
457 | more_xnv() | |
458 | { | |
463ee0b2 LW |
459 | register double* xnv; |
460 | register double* xnvend; | |
8990e307 | 461 | xnv = (double*)safemalloc(1008); |
463ee0b2 LW |
462 | xnvend = &xnv[1008 / sizeof(double) - 1]; |
463 | xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */ | |
464 | xnv_root = xnv; | |
465 | while (xnv < xnvend) { | |
466 | *(double**)xnv = (double*)(xnv + 1); | |
467 | xnv++; | |
468 | } | |
469 | *(double**)xnv = 0; | |
470 | return new_xnv(); | |
471 | } | |
472 | ||
ed6116ce LW |
473 | static XRV* |
474 | new_xrv() | |
475 | { | |
476 | XRV* xrv; | |
477 | if (xrv_root) { | |
478 | xrv = xrv_root; | |
479 | xrv_root = (XRV*)xrv->xrv_rv; | |
480 | return xrv; | |
481 | } | |
482 | return more_xrv(); | |
483 | } | |
484 | ||
485 | static void | |
486 | del_xrv(p) | |
487 | XRV* p; | |
488 | { | |
489 | p->xrv_rv = (SV*)xrv_root; | |
490 | xrv_root = p; | |
491 | } | |
492 | ||
493 | static XRV* | |
494 | more_xrv() | |
495 | { | |
ed6116ce LW |
496 | register XRV* xrv; |
497 | register XRV* xrvend; | |
8990e307 | 498 | xrv_root = (XRV*)safemalloc(1008); |
ed6116ce LW |
499 | xrv = xrv_root; |
500 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; | |
501 | while (xrv < xrvend) { | |
502 | xrv->xrv_rv = (SV*)(xrv + 1); | |
503 | xrv++; | |
504 | } | |
505 | xrv->xrv_rv = 0; | |
506 | return new_xrv(); | |
507 | } | |
508 | ||
463ee0b2 LW |
509 | static XPV* |
510 | new_xpv() | |
511 | { | |
512 | XPV* xpv; | |
513 | if (xpv_root) { | |
514 | xpv = xpv_root; | |
515 | xpv_root = (XPV*)xpv->xpv_pv; | |
516 | return xpv; | |
517 | } | |
518 | return more_xpv(); | |
519 | } | |
520 | ||
521 | static void | |
522 | del_xpv(p) | |
523 | XPV* p; | |
524 | { | |
525 | p->xpv_pv = (char*)xpv_root; | |
526 | xpv_root = p; | |
527 | } | |
528 | ||
529 | static XPV* | |
530 | more_xpv() | |
531 | { | |
463ee0b2 LW |
532 | register XPV* xpv; |
533 | register XPV* xpvend; | |
8990e307 | 534 | xpv_root = (XPV*)safemalloc(1008); |
463ee0b2 LW |
535 | xpv = xpv_root; |
536 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; | |
537 | while (xpv < xpvend) { | |
538 | xpv->xpv_pv = (char*)(xpv + 1); | |
539 | xpv++; | |
540 | } | |
541 | xpv->xpv_pv = 0; | |
542 | return new_xpv(); | |
543 | } | |
544 | ||
545 | #ifdef PURIFY | |
8990e307 | 546 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
463ee0b2 LW |
547 | #define del_XIV(p) free((char*)p) |
548 | #else | |
85e6fe83 | 549 | #define new_XIV() (void*)new_xiv() |
463ee0b2 LW |
550 | #define del_XIV(p) del_xiv(p) |
551 | #endif | |
552 | ||
553 | #ifdef PURIFY | |
8990e307 | 554 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
463ee0b2 LW |
555 | #define del_XNV(p) free((char*)p) |
556 | #else | |
85e6fe83 | 557 | #define new_XNV() (void*)new_xnv() |
463ee0b2 LW |
558 | #define del_XNV(p) del_xnv(p) |
559 | #endif | |
560 | ||
561 | #ifdef PURIFY | |
8990e307 | 562 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
ed6116ce LW |
563 | #define del_XRV(p) free((char*)p) |
564 | #else | |
85e6fe83 | 565 | #define new_XRV() (void*)new_xrv() |
ed6116ce LW |
566 | #define del_XRV(p) del_xrv(p) |
567 | #endif | |
568 | ||
569 | #ifdef PURIFY | |
8990e307 | 570 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
463ee0b2 LW |
571 | #define del_XPV(p) free((char*)p) |
572 | #else | |
85e6fe83 | 573 | #define new_XPV() (void*)new_xpv() |
463ee0b2 LW |
574 | #define del_XPV(p) del_xpv(p) |
575 | #endif | |
576 | ||
8990e307 | 577 | #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV)) |
463ee0b2 LW |
578 | #define del_XPVIV(p) free((char*)p) |
579 | ||
8990e307 | 580 | #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV)) |
463ee0b2 LW |
581 | #define del_XPVNV(p) free((char*)p) |
582 | ||
8990e307 | 583 | #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG)) |
463ee0b2 LW |
584 | #define del_XPVMG(p) free((char*)p) |
585 | ||
8990e307 | 586 | #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV)) |
463ee0b2 LW |
587 | #define del_XPVLV(p) free((char*)p) |
588 | ||
8990e307 | 589 | #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV)) |
463ee0b2 LW |
590 | #define del_XPVAV(p) free((char*)p) |
591 | ||
8990e307 | 592 | #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV)) |
463ee0b2 LW |
593 | #define del_XPVHV(p) free((char*)p) |
594 | ||
8990e307 | 595 | #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV)) |
463ee0b2 LW |
596 | #define del_XPVCV(p) free((char*)p) |
597 | ||
8990e307 | 598 | #define new_XPVGV() (void*)safemalloc(sizeof(XPVGV)) |
463ee0b2 LW |
599 | #define del_XPVGV(p) free((char*)p) |
600 | ||
8990e307 | 601 | #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM)) |
463ee0b2 LW |
602 | #define del_XPVBM(p) free((char*)p) |
603 | ||
8990e307 | 604 | #define new_XPVFM() (void*)safemalloc(sizeof(XPVFM)) |
463ee0b2 LW |
605 | #define del_XPVFM(p) free((char*)p) |
606 | ||
8990e307 LW |
607 | #define new_XPVIO() (void*)safemalloc(sizeof(XPVIO)) |
608 | #define del_XPVIO(p) free((char*)p) | |
609 | ||
79072805 LW |
610 | bool |
611 | sv_upgrade(sv, mt) | |
612 | register SV* sv; | |
613 | U32 mt; | |
614 | { | |
615 | char* pv; | |
616 | U32 cur; | |
617 | U32 len; | |
a0d0e21e | 618 | IV iv; |
79072805 LW |
619 | double nv; |
620 | MAGIC* magic; | |
621 | HV* stash; | |
622 | ||
623 | if (SvTYPE(sv) == mt) | |
624 | return TRUE; | |
625 | ||
a5f75d66 AD |
626 | if (mt < SVt_PVIV) |
627 | (void)SvOOK_off(sv); | |
628 | ||
79072805 LW |
629 | switch (SvTYPE(sv)) { |
630 | case SVt_NULL: | |
631 | pv = 0; | |
632 | cur = 0; | |
633 | len = 0; | |
634 | iv = 0; | |
635 | nv = 0.0; | |
636 | magic = 0; | |
637 | stash = 0; | |
638 | break; | |
79072805 LW |
639 | case SVt_IV: |
640 | pv = 0; | |
641 | cur = 0; | |
642 | len = 0; | |
463ee0b2 LW |
643 | iv = SvIVX(sv); |
644 | nv = (double)SvIVX(sv); | |
79072805 LW |
645 | del_XIV(SvANY(sv)); |
646 | magic = 0; | |
647 | stash = 0; | |
ed6116ce | 648 | if (mt == SVt_NV) |
463ee0b2 | 649 | mt = SVt_PVNV; |
ed6116ce LW |
650 | else if (mt < SVt_PVIV) |
651 | mt = SVt_PVIV; | |
79072805 LW |
652 | break; |
653 | case SVt_NV: | |
654 | pv = 0; | |
655 | cur = 0; | |
656 | len = 0; | |
463ee0b2 | 657 | nv = SvNVX(sv); |
ed6116ce | 658 | iv = I_32(nv); |
79072805 LW |
659 | magic = 0; |
660 | stash = 0; | |
661 | del_XNV(SvANY(sv)); | |
662 | SvANY(sv) = 0; | |
ed6116ce | 663 | if (mt < SVt_PVNV) |
79072805 LW |
664 | mt = SVt_PVNV; |
665 | break; | |
ed6116ce LW |
666 | case SVt_RV: |
667 | pv = (char*)SvRV(sv); | |
668 | cur = 0; | |
669 | len = 0; | |
a0d0e21e | 670 | iv = (IV)pv; |
ed6116ce LW |
671 | nv = (double)(unsigned long)pv; |
672 | del_XRV(SvANY(sv)); | |
673 | magic = 0; | |
674 | stash = 0; | |
675 | break; | |
79072805 | 676 | case SVt_PV: |
463ee0b2 | 677 | pv = SvPVX(sv); |
79072805 LW |
678 | cur = SvCUR(sv); |
679 | len = SvLEN(sv); | |
680 | iv = 0; | |
681 | nv = 0.0; | |
682 | magic = 0; | |
683 | stash = 0; | |
684 | del_XPV(SvANY(sv)); | |
748a9306 LW |
685 | if (mt <= SVt_IV) |
686 | mt = SVt_PVIV; | |
687 | else if (mt == SVt_NV) | |
688 | mt = SVt_PVNV; | |
79072805 LW |
689 | break; |
690 | case SVt_PVIV: | |
463ee0b2 | 691 | pv = SvPVX(sv); |
79072805 LW |
692 | cur = SvCUR(sv); |
693 | len = SvLEN(sv); | |
463ee0b2 | 694 | iv = SvIVX(sv); |
79072805 LW |
695 | nv = 0.0; |
696 | magic = 0; | |
697 | stash = 0; | |
698 | del_XPVIV(SvANY(sv)); | |
699 | break; | |
700 | case SVt_PVNV: | |
463ee0b2 | 701 | pv = SvPVX(sv); |
79072805 LW |
702 | cur = SvCUR(sv); |
703 | len = SvLEN(sv); | |
463ee0b2 LW |
704 | iv = SvIVX(sv); |
705 | nv = SvNVX(sv); | |
79072805 LW |
706 | magic = 0; |
707 | stash = 0; | |
708 | del_XPVNV(SvANY(sv)); | |
709 | break; | |
710 | case SVt_PVMG: | |
463ee0b2 | 711 | pv = SvPVX(sv); |
79072805 LW |
712 | cur = SvCUR(sv); |
713 | len = SvLEN(sv); | |
463ee0b2 LW |
714 | iv = SvIVX(sv); |
715 | nv = SvNVX(sv); | |
79072805 LW |
716 | magic = SvMAGIC(sv); |
717 | stash = SvSTASH(sv); | |
718 | del_XPVMG(SvANY(sv)); | |
719 | break; | |
720 | default: | |
463ee0b2 | 721 | croak("Can't upgrade that kind of scalar"); |
79072805 LW |
722 | } |
723 | ||
724 | switch (mt) { | |
725 | case SVt_NULL: | |
463ee0b2 | 726 | croak("Can't upgrade to undef"); |
79072805 LW |
727 | case SVt_IV: |
728 | SvANY(sv) = new_XIV(); | |
463ee0b2 | 729 | SvIVX(sv) = iv; |
79072805 LW |
730 | break; |
731 | case SVt_NV: | |
732 | SvANY(sv) = new_XNV(); | |
463ee0b2 | 733 | SvNVX(sv) = nv; |
79072805 | 734 | break; |
ed6116ce LW |
735 | case SVt_RV: |
736 | SvANY(sv) = new_XRV(); | |
737 | SvRV(sv) = (SV*)pv; | |
ed6116ce | 738 | break; |
79072805 LW |
739 | case SVt_PV: |
740 | SvANY(sv) = new_XPV(); | |
463ee0b2 | 741 | SvPVX(sv) = pv; |
79072805 LW |
742 | SvCUR(sv) = cur; |
743 | SvLEN(sv) = len; | |
744 | break; | |
745 | case SVt_PVIV: | |
746 | SvANY(sv) = new_XPVIV(); | |
463ee0b2 | 747 | SvPVX(sv) = pv; |
79072805 LW |
748 | SvCUR(sv) = cur; |
749 | SvLEN(sv) = len; | |
463ee0b2 | 750 | SvIVX(sv) = iv; |
79072805 | 751 | if (SvNIOK(sv)) |
a0d0e21e | 752 | (void)SvIOK_on(sv); |
79072805 LW |
753 | SvNOK_off(sv); |
754 | break; | |
755 | case SVt_PVNV: | |
756 | SvANY(sv) = new_XPVNV(); | |
463ee0b2 | 757 | SvPVX(sv) = pv; |
79072805 LW |
758 | SvCUR(sv) = cur; |
759 | SvLEN(sv) = len; | |
463ee0b2 LW |
760 | SvIVX(sv) = iv; |
761 | SvNVX(sv) = nv; | |
79072805 LW |
762 | break; |
763 | case SVt_PVMG: | |
764 | SvANY(sv) = new_XPVMG(); | |
463ee0b2 | 765 | SvPVX(sv) = pv; |
79072805 LW |
766 | SvCUR(sv) = cur; |
767 | SvLEN(sv) = len; | |
463ee0b2 LW |
768 | SvIVX(sv) = iv; |
769 | SvNVX(sv) = nv; | |
79072805 LW |
770 | SvMAGIC(sv) = magic; |
771 | SvSTASH(sv) = stash; | |
772 | break; | |
773 | case SVt_PVLV: | |
774 | SvANY(sv) = new_XPVLV(); | |
463ee0b2 | 775 | SvPVX(sv) = pv; |
79072805 LW |
776 | SvCUR(sv) = cur; |
777 | SvLEN(sv) = len; | |
463ee0b2 LW |
778 | SvIVX(sv) = iv; |
779 | SvNVX(sv) = nv; | |
79072805 LW |
780 | SvMAGIC(sv) = magic; |
781 | SvSTASH(sv) = stash; | |
782 | LvTARGOFF(sv) = 0; | |
783 | LvTARGLEN(sv) = 0; | |
784 | LvTARG(sv) = 0; | |
785 | LvTYPE(sv) = 0; | |
786 | break; | |
787 | case SVt_PVAV: | |
788 | SvANY(sv) = new_XPVAV(); | |
463ee0b2 LW |
789 | if (pv) |
790 | Safefree(pv); | |
2304df62 | 791 | SvPVX(sv) = 0; |
d1bf51dd CS |
792 | AvMAX(sv) = -1; |
793 | AvFILL(sv) = -1; | |
463ee0b2 LW |
794 | SvIVX(sv) = 0; |
795 | SvNVX(sv) = 0.0; | |
796 | SvMAGIC(sv) = magic; | |
797 | SvSTASH(sv) = stash; | |
798 | AvALLOC(sv) = 0; | |
79072805 LW |
799 | AvARYLEN(sv) = 0; |
800 | AvFLAGS(sv) = 0; | |
801 | break; | |
802 | case SVt_PVHV: | |
803 | SvANY(sv) = new_XPVHV(); | |
463ee0b2 LW |
804 | if (pv) |
805 | Safefree(pv); | |
806 | SvPVX(sv) = 0; | |
807 | HvFILL(sv) = 0; | |
808 | HvMAX(sv) = 0; | |
809 | HvKEYS(sv) = 0; | |
810 | SvNVX(sv) = 0.0; | |
79072805 LW |
811 | SvMAGIC(sv) = magic; |
812 | SvSTASH(sv) = stash; | |
79072805 LW |
813 | HvRITER(sv) = 0; |
814 | HvEITER(sv) = 0; | |
815 | HvPMROOT(sv) = 0; | |
816 | HvNAME(sv) = 0; | |
79072805 LW |
817 | break; |
818 | case SVt_PVCV: | |
819 | SvANY(sv) = new_XPVCV(); | |
748a9306 | 820 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 | 821 | SvPVX(sv) = pv; |
79072805 LW |
822 | SvCUR(sv) = cur; |
823 | SvLEN(sv) = len; | |
463ee0b2 LW |
824 | SvIVX(sv) = iv; |
825 | SvNVX(sv) = nv; | |
79072805 LW |
826 | SvMAGIC(sv) = magic; |
827 | SvSTASH(sv) = stash; | |
79072805 LW |
828 | break; |
829 | case SVt_PVGV: | |
830 | SvANY(sv) = new_XPVGV(); | |
463ee0b2 | 831 | SvPVX(sv) = pv; |
79072805 LW |
832 | SvCUR(sv) = cur; |
833 | SvLEN(sv) = len; | |
463ee0b2 LW |
834 | SvIVX(sv) = iv; |
835 | SvNVX(sv) = nv; | |
79072805 LW |
836 | SvMAGIC(sv) = magic; |
837 | SvSTASH(sv) = stash; | |
93a17b20 | 838 | GvGP(sv) = 0; |
79072805 LW |
839 | GvNAME(sv) = 0; |
840 | GvNAMELEN(sv) = 0; | |
841 | GvSTASH(sv) = 0; | |
a5f75d66 | 842 | GvFLAGS(sv) = 0; |
79072805 LW |
843 | break; |
844 | case SVt_PVBM: | |
845 | SvANY(sv) = new_XPVBM(); | |
463ee0b2 | 846 | SvPVX(sv) = pv; |
79072805 LW |
847 | SvCUR(sv) = cur; |
848 | SvLEN(sv) = len; | |
463ee0b2 LW |
849 | SvIVX(sv) = iv; |
850 | SvNVX(sv) = nv; | |
79072805 LW |
851 | SvMAGIC(sv) = magic; |
852 | SvSTASH(sv) = stash; | |
853 | BmRARE(sv) = 0; | |
854 | BmUSEFUL(sv) = 0; | |
855 | BmPREVIOUS(sv) = 0; | |
856 | break; | |
857 | case SVt_PVFM: | |
858 | SvANY(sv) = new_XPVFM(); | |
748a9306 | 859 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 | 860 | SvPVX(sv) = pv; |
79072805 LW |
861 | SvCUR(sv) = cur; |
862 | SvLEN(sv) = len; | |
463ee0b2 LW |
863 | SvIVX(sv) = iv; |
864 | SvNVX(sv) = nv; | |
79072805 LW |
865 | SvMAGIC(sv) = magic; |
866 | SvSTASH(sv) = stash; | |
79072805 | 867 | break; |
8990e307 LW |
868 | case SVt_PVIO: |
869 | SvANY(sv) = new_XPVIO(); | |
748a9306 | 870 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 LW |
871 | SvPVX(sv) = pv; |
872 | SvCUR(sv) = cur; | |
873 | SvLEN(sv) = len; | |
874 | SvIVX(sv) = iv; | |
875 | SvNVX(sv) = nv; | |
876 | SvMAGIC(sv) = magic; | |
877 | SvSTASH(sv) = stash; | |
85e6fe83 | 878 | IoPAGE_LEN(sv) = 60; |
8990e307 LW |
879 | break; |
880 | } | |
881 | SvFLAGS(sv) &= ~SVTYPEMASK; | |
882 | SvFLAGS(sv) |= mt; | |
79072805 LW |
883 | return TRUE; |
884 | } | |
885 | ||
a0d0e21e | 886 | #ifdef DEBUGGING |
79072805 LW |
887 | char * |
888 | sv_peek(sv) | |
889 | register SV *sv; | |
890 | { | |
46fc3d4c | 891 | SV *t = sv_newmortal(); |
892 | STRLEN prevlen; | |
a0d0e21e | 893 | int unref = 0; |
79072805 LW |
894 | |
895 | retry: | |
896 | if (!sv) { | |
46fc3d4c | 897 | sv_catpv(t, "VOID"); |
a0d0e21e | 898 | goto finish; |
79072805 LW |
899 | } |
900 | else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { | |
46fc3d4c | 901 | sv_catpv(t, "WILD"); |
a0d0e21e LW |
902 | goto finish; |
903 | } | |
904 | else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) { | |
905 | if (sv == &sv_undef) { | |
46fc3d4c | 906 | sv_catpv(t, "SV_UNDEF"); |
a0d0e21e LW |
907 | if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT| |
908 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
909 | SvREADONLY(sv)) | |
910 | goto finish; | |
911 | } | |
912 | else if (sv == &sv_no) { | |
46fc3d4c | 913 | sv_catpv(t, "SV_NO"); |
a0d0e21e LW |
914 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
915 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
916 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
917 | SVp_POK|SVp_NOK)) && | |
918 | SvCUR(sv) == 0 && | |
919 | SvNVX(sv) == 0.0) | |
920 | goto finish; | |
921 | } | |
922 | else { | |
46fc3d4c | 923 | sv_catpv(t, "SV_YES"); |
a0d0e21e LW |
924 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
925 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
926 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
927 | SVp_POK|SVp_NOK)) && | |
928 | SvCUR(sv) == 1 && | |
929 | SvPVX(sv) && *SvPVX(sv) == '1' && | |
930 | SvNVX(sv) == 1.0) | |
931 | goto finish; | |
932 | } | |
46fc3d4c | 933 | sv_catpv(t, ":"); |
79072805 | 934 | } |
a0d0e21e | 935 | else if (SvREFCNT(sv) == 0) { |
46fc3d4c | 936 | sv_catpv(t, "("); |
a0d0e21e | 937 | unref++; |
79072805 | 938 | } |
a0d0e21e | 939 | if (SvROK(sv)) { |
46fc3d4c | 940 | sv_catpv(t, "\\"); |
941 | if (SvCUR(t) + unref > 10) { | |
942 | SvCUR(t) = unref + 3; | |
943 | *SvEND(t) = '\0'; | |
944 | sv_catpv(t, "..."); | |
a0d0e21e | 945 | goto finish; |
79072805 | 946 | } |
a0d0e21e LW |
947 | sv = (SV*)SvRV(sv); |
948 | goto retry; | |
949 | } | |
950 | switch (SvTYPE(sv)) { | |
951 | default: | |
46fc3d4c | 952 | sv_catpv(t, "FREED"); |
a0d0e21e LW |
953 | goto finish; |
954 | ||
955 | case SVt_NULL: | |
46fc3d4c | 956 | sv_catpv(t, "UNDEF"); |
a0d0e21e LW |
957 | return tokenbuf; |
958 | case SVt_IV: | |
46fc3d4c | 959 | sv_catpv(t, "IV"); |
a0d0e21e LW |
960 | break; |
961 | case SVt_NV: | |
46fc3d4c | 962 | sv_catpv(t, "NV"); |
a0d0e21e LW |
963 | break; |
964 | case SVt_RV: | |
46fc3d4c | 965 | sv_catpv(t, "RV"); |
a0d0e21e LW |
966 | break; |
967 | case SVt_PV: | |
46fc3d4c | 968 | sv_catpv(t, "PV"); |
a0d0e21e LW |
969 | break; |
970 | case SVt_PVIV: | |
46fc3d4c | 971 | sv_catpv(t, "PVIV"); |
a0d0e21e LW |
972 | break; |
973 | case SVt_PVNV: | |
46fc3d4c | 974 | sv_catpv(t, "PVNV"); |
a0d0e21e LW |
975 | break; |
976 | case SVt_PVMG: | |
46fc3d4c | 977 | sv_catpv(t, "PVMG"); |
a0d0e21e LW |
978 | break; |
979 | case SVt_PVLV: | |
46fc3d4c | 980 | sv_catpv(t, "PVLV"); |
a0d0e21e LW |
981 | break; |
982 | case SVt_PVAV: | |
46fc3d4c | 983 | sv_catpv(t, "AV"); |
a0d0e21e LW |
984 | break; |
985 | case SVt_PVHV: | |
46fc3d4c | 986 | sv_catpv(t, "HV"); |
a0d0e21e LW |
987 | break; |
988 | case SVt_PVCV: | |
989 | if (CvGV(sv)) | |
46fc3d4c | 990 | sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv))); |
a0d0e21e | 991 | else |
46fc3d4c | 992 | sv_catpv(t, "CV()"); |
a0d0e21e LW |
993 | goto finish; |
994 | case SVt_PVGV: | |
46fc3d4c | 995 | sv_catpv(t, "GV"); |
a0d0e21e LW |
996 | break; |
997 | case SVt_PVBM: | |
46fc3d4c | 998 | sv_catpv(t, "BM"); |
a0d0e21e LW |
999 | break; |
1000 | case SVt_PVFM: | |
46fc3d4c | 1001 | sv_catpv(t, "FM"); |
a0d0e21e LW |
1002 | break; |
1003 | case SVt_PVIO: | |
46fc3d4c | 1004 | sv_catpv(t, "IO"); |
a0d0e21e | 1005 | break; |
79072805 | 1006 | } |
79072805 | 1007 | |
a0d0e21e | 1008 | if (SvPOKp(sv)) { |
463ee0b2 | 1009 | if (!SvPVX(sv)) |
46fc3d4c | 1010 | sv_catpv(t, "(null)"); |
79072805 | 1011 | if (SvOOK(sv)) |
46fc3d4c | 1012 | sv_catpvf(t, "(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); |
79072805 | 1013 | else |
46fc3d4c | 1014 | sv_catpvf(t, "(\"%.127s\")",SvPVX(sv)); |
79072805 | 1015 | } |
bbce6d69 | 1016 | else if (SvNOKp(sv)) { |
36477c24 | 1017 | SET_NUMERIC_STANDARD(); |
46fc3d4c | 1018 | sv_catpvf(t, "(%g)",SvNVX(sv)); |
bbce6d69 | 1019 | } |
a0d0e21e | 1020 | else if (SvIOKp(sv)) |
46fc3d4c | 1021 | sv_catpvf(t, "(%ld)",(long)SvIVX(sv)); |
79072805 | 1022 | else |
46fc3d4c | 1023 | sv_catpv(t, "()"); |
a0d0e21e LW |
1024 | |
1025 | finish: | |
1026 | if (unref) { | |
a0d0e21e | 1027 | while (unref--) |
46fc3d4c | 1028 | sv_catpv(t, ")"); |
a0d0e21e | 1029 | } |
46fc3d4c | 1030 | return SvPV(t, na); |
79072805 | 1031 | } |
a0d0e21e | 1032 | #endif |
79072805 LW |
1033 | |
1034 | int | |
1035 | sv_backoff(sv) | |
1036 | register SV *sv; | |
1037 | { | |
1038 | assert(SvOOK(sv)); | |
463ee0b2 LW |
1039 | if (SvIVX(sv)) { |
1040 | char *s = SvPVX(sv); | |
1041 | SvLEN(sv) += SvIVX(sv); | |
1042 | SvPVX(sv) -= SvIVX(sv); | |
79072805 | 1043 | SvIV_set(sv, 0); |
463ee0b2 | 1044 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 LW |
1045 | } |
1046 | SvFLAGS(sv) &= ~SVf_OOK; | |
a0d0e21e | 1047 | return 0; |
79072805 LW |
1048 | } |
1049 | ||
1050 | char * | |
1051 | sv_grow(sv,newlen) | |
1052 | register SV *sv; | |
1053 | #ifndef DOSISH | |
1054 | register I32 newlen; | |
1055 | #else | |
1056 | unsigned long newlen; | |
1057 | #endif | |
1058 | { | |
1059 | register char *s; | |
1060 | ||
55497cff | 1061 | #ifdef HAS_64K_LIMIT |
79072805 | 1062 | if (newlen >= 0x10000) { |
d1bf51dd | 1063 | PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen); |
79072805 LW |
1064 | my_exit(1); |
1065 | } | |
55497cff | 1066 | #endif /* HAS_64K_LIMIT */ |
a0d0e21e LW |
1067 | if (SvROK(sv)) |
1068 | sv_unref(sv); | |
79072805 LW |
1069 | if (SvTYPE(sv) < SVt_PV) { |
1070 | sv_upgrade(sv, SVt_PV); | |
463ee0b2 | 1071 | s = SvPVX(sv); |
79072805 LW |
1072 | } |
1073 | else if (SvOOK(sv)) { /* pv is offset? */ | |
1074 | sv_backoff(sv); | |
463ee0b2 | 1075 | s = SvPVX(sv); |
79072805 LW |
1076 | if (newlen > SvLEN(sv)) |
1077 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ | |
1078 | } | |
1079 | else | |
463ee0b2 | 1080 | s = SvPVX(sv); |
79072805 | 1081 | if (newlen > SvLEN(sv)) { /* need more room? */ |
85e6fe83 | 1082 | if (SvLEN(sv) && s) |
79072805 LW |
1083 | Renew(s,newlen,char); |
1084 | else | |
1085 | New(703,s,newlen,char); | |
1086 | SvPV_set(sv, s); | |
1087 | SvLEN_set(sv, newlen); | |
1088 | } | |
1089 | return s; | |
1090 | } | |
1091 | ||
1092 | void | |
1093 | sv_setiv(sv,i) | |
1094 | register SV *sv; | |
a0d0e21e | 1095 | IV i; |
79072805 | 1096 | { |
0f15f207 | 1097 | sv_check_thinkfirst(sv); |
463ee0b2 LW |
1098 | switch (SvTYPE(sv)) { |
1099 | case SVt_NULL: | |
79072805 | 1100 | sv_upgrade(sv, SVt_IV); |
463ee0b2 LW |
1101 | break; |
1102 | case SVt_NV: | |
1103 | sv_upgrade(sv, SVt_PVNV); | |
1104 | break; | |
ed6116ce | 1105 | case SVt_RV: |
463ee0b2 | 1106 | case SVt_PV: |
79072805 | 1107 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 | 1108 | break; |
a0d0e21e LW |
1109 | |
1110 | case SVt_PVGV: | |
1111 | if (SvFAKE(sv)) { | |
1112 | sv_unglob(sv); | |
1113 | break; | |
1114 | } | |
1115 | /* FALL THROUGH */ | |
1116 | case SVt_PVAV: | |
1117 | case SVt_PVHV: | |
1118 | case SVt_PVCV: | |
1119 | case SVt_PVFM: | |
1120 | case SVt_PVIO: | |
11343788 MB |
1121 | { |
1122 | dTHR; | |
1123 | croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), | |
5dc0d613 | 1124 | op_desc[op->op_type]); |
11343788 | 1125 | } |
463ee0b2 | 1126 | } |
a0d0e21e | 1127 | (void)SvIOK_only(sv); /* validate number */ |
a5f75d66 | 1128 | SvIVX(sv) = i; |
463ee0b2 | 1129 | SvTAINT(sv); |
79072805 LW |
1130 | } |
1131 | ||
1132 | void | |
55497cff | 1133 | sv_setuv(sv,u) |
1134 | register SV *sv; | |
1135 | UV u; | |
1136 | { | |
1137 | if (u <= IV_MAX) | |
1138 | sv_setiv(sv, u); | |
1139 | else | |
1140 | sv_setnv(sv, (double)u); | |
1141 | } | |
1142 | ||
1143 | void | |
79072805 LW |
1144 | sv_setnv(sv,num) |
1145 | register SV *sv; | |
1146 | double num; | |
1147 | { | |
0f15f207 | 1148 | sv_check_thinkfirst(sv); |
a0d0e21e LW |
1149 | switch (SvTYPE(sv)) { |
1150 | case SVt_NULL: | |
1151 | case SVt_IV: | |
79072805 | 1152 | sv_upgrade(sv, SVt_NV); |
a0d0e21e LW |
1153 | break; |
1154 | case SVt_NV: | |
1155 | case SVt_RV: | |
1156 | case SVt_PV: | |
1157 | case SVt_PVIV: | |
79072805 | 1158 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e LW |
1159 | /* FALL THROUGH */ |
1160 | case SVt_PVNV: | |
1161 | case SVt_PVMG: | |
1162 | case SVt_PVBM: | |
1163 | case SVt_PVLV: | |
1164 | if (SvOOK(sv)) | |
1165 | (void)SvOOK_off(sv); | |
1166 | break; | |
1167 | case SVt_PVGV: | |
1168 | if (SvFAKE(sv)) { | |
1169 | sv_unglob(sv); | |
1170 | break; | |
1171 | } | |
1172 | /* FALL THROUGH */ | |
1173 | case SVt_PVAV: | |
1174 | case SVt_PVHV: | |
1175 | case SVt_PVCV: | |
1176 | case SVt_PVFM: | |
1177 | case SVt_PVIO: | |
11343788 MB |
1178 | { |
1179 | dTHR; | |
1180 | croak("Can't coerce %s to number in %s", sv_reftype(sv,0), | |
1181 | op_name[op->op_type]); | |
1182 | } | |
79072805 | 1183 | } |
463ee0b2 | 1184 | SvNVX(sv) = num; |
a0d0e21e | 1185 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 | 1186 | SvTAINT(sv); |
79072805 LW |
1187 | } |
1188 | ||
a0d0e21e LW |
1189 | static void |
1190 | not_a_number(sv) | |
1191 | SV *sv; | |
1192 | { | |
11343788 | 1193 | dTHR; |
a0d0e21e LW |
1194 | char tmpbuf[64]; |
1195 | char *d = tmpbuf; | |
1196 | char *s; | |
dc28f22b GA |
1197 | char *limit = tmpbuf + sizeof(tmpbuf) - 8; |
1198 | /* each *s can expand to 4 chars + "...\0", | |
1199 | i.e. need room for 8 chars */ | |
a0d0e21e | 1200 | |
dc28f22b | 1201 | for (s = SvPVX(sv); *s && d < limit; s++) { |
bbce6d69 | 1202 | int ch = *s & 0xFF; |
1203 | if (ch & 128 && !isPRINT_LC(ch)) { | |
a0d0e21e LW |
1204 | *d++ = 'M'; |
1205 | *d++ = '-'; | |
1206 | ch &= 127; | |
1207 | } | |
bbce6d69 | 1208 | if (ch == '\n') { |
1209 | *d++ = '\\'; | |
1210 | *d++ = 'n'; | |
1211 | } | |
1212 | else if (ch == '\r') { | |
1213 | *d++ = '\\'; | |
1214 | *d++ = 'r'; | |
1215 | } | |
1216 | else if (ch == '\f') { | |
1217 | *d++ = '\\'; | |
1218 | *d++ = 'f'; | |
1219 | } | |
1220 | else if (ch == '\\') { | |
1221 | *d++ = '\\'; | |
1222 | *d++ = '\\'; | |
1223 | } | |
1224 | else if (isPRINT_LC(ch)) | |
a0d0e21e LW |
1225 | *d++ = ch; |
1226 | else { | |
1227 | *d++ = '^'; | |
bbce6d69 | 1228 | *d++ = toCTRL(ch); |
a0d0e21e LW |
1229 | } |
1230 | } | |
1231 | if (*s) { | |
1232 | *d++ = '.'; | |
1233 | *d++ = '.'; | |
1234 | *d++ = '.'; | |
1235 | } | |
1236 | *d = '\0'; | |
1237 | ||
1238 | if (op) | |
c07a80fd | 1239 | warn("Argument \"%s\" isn't numeric in %s", tmpbuf, |
a0d0e21e LW |
1240 | op_name[op->op_type]); |
1241 | else | |
1242 | warn("Argument \"%s\" isn't numeric", tmpbuf); | |
1243 | } | |
1244 | ||
1245 | IV | |
79072805 LW |
1246 | sv_2iv(sv) |
1247 | register SV *sv; | |
1248 | { | |
1249 | if (!sv) | |
1250 | return 0; | |
8990e307 | 1251 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1252 | mg_get(sv); |
1253 | if (SvIOKp(sv)) | |
1254 | return SvIVX(sv); | |
748a9306 LW |
1255 | if (SvNOKp(sv)) { |
1256 | if (SvNVX(sv) < 0.0) | |
1257 | return I_V(SvNVX(sv)); | |
1258 | else | |
5d94fbed | 1259 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1260 | } |
36477c24 | 1261 | if (SvPOKp(sv) && SvLEN(sv)) |
1262 | return asIV(sv); | |
3fe9a6f1 | 1263 | if (!SvROK(sv)) { |
e858de61 | 1264 | dTHR; /* just for localizing */ |
3fe9a6f1 | 1265 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
1266 | warn(warn_uninit); | |
36477c24 | 1267 | return 0; |
3fe9a6f1 | 1268 | } |
463ee0b2 | 1269 | } |
ed6116ce | 1270 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1271 | if (SvROK(sv)) { |
1272 | #ifdef OVERLOAD | |
1273 | SV* tmpstr; | |
1274 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1275 | return SvIV(tmpstr); | |
1276 | #endif /* OVERLOAD */ | |
1277 | return (IV)SvRV(sv); | |
1278 | } | |
ed6116ce | 1279 | if (SvREADONLY(sv)) { |
748a9306 LW |
1280 | if (SvNOKp(sv)) { |
1281 | if (SvNVX(sv) < 0.0) | |
1282 | return I_V(SvNVX(sv)); | |
1283 | else | |
5d94fbed | 1284 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1285 | } |
36477c24 | 1286 | if (SvPOKp(sv) && SvLEN(sv)) |
1287 | return asIV(sv); | |
ed6116ce | 1288 | if (dowarn) |
8990e307 | 1289 | warn(warn_uninit); |
ed6116ce LW |
1290 | return 0; |
1291 | } | |
79072805 | 1292 | } |
463ee0b2 | 1293 | switch (SvTYPE(sv)) { |
463ee0b2 | 1294 | case SVt_NULL: |
79072805 | 1295 | sv_upgrade(sv, SVt_IV); |
8ebc5c01 | 1296 | break; |
463ee0b2 | 1297 | case SVt_PV: |
79072805 | 1298 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 LW |
1299 | break; |
1300 | case SVt_NV: | |
1301 | sv_upgrade(sv, SVt_PVNV); | |
1302 | break; | |
1303 | } | |
748a9306 | 1304 | if (SvNOKp(sv)) { |
a5f75d66 | 1305 | (void)SvIOK_on(sv); |
748a9306 LW |
1306 | if (SvNVX(sv) < 0.0) |
1307 | SvIVX(sv) = I_V(SvNVX(sv)); | |
1308 | else | |
ff68c719 | 1309 | SvUVX(sv) = U_V(SvNVX(sv)); |
748a9306 LW |
1310 | } |
1311 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
a5f75d66 | 1312 | (void)SvIOK_on(sv); |
36477c24 | 1313 | SvIVX(sv) = asIV(sv); |
93a17b20 | 1314 | } |
79072805 | 1315 | else { |
11343788 | 1316 | dTHR; |
91bba347 | 1317 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1318 | warn(warn_uninit); |
a0d0e21e | 1319 | return 0; |
79072805 | 1320 | } |
760ac839 | 1321 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n", |
a0d0e21e | 1322 | (unsigned long)sv,(long)SvIVX(sv))); |
463ee0b2 | 1323 | return SvIVX(sv); |
79072805 LW |
1324 | } |
1325 | ||
ff68c719 | 1326 | UV |
1327 | sv_2uv(sv) | |
1328 | register SV *sv; | |
1329 | { | |
1330 | if (!sv) | |
1331 | return 0; | |
1332 | if (SvGMAGICAL(sv)) { | |
1333 | mg_get(sv); | |
1334 | if (SvIOKp(sv)) | |
1335 | return SvUVX(sv); | |
1336 | if (SvNOKp(sv)) | |
1337 | return U_V(SvNVX(sv)); | |
36477c24 | 1338 | if (SvPOKp(sv) && SvLEN(sv)) |
1339 | return asUV(sv); | |
3fe9a6f1 | 1340 | if (!SvROK(sv)) { |
e858de61 | 1341 | dTHR; /* just for localizing */ |
3fe9a6f1 | 1342 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
1343 | warn(warn_uninit); | |
36477c24 | 1344 | return 0; |
3fe9a6f1 | 1345 | } |
ff68c719 | 1346 | } |
1347 | if (SvTHINKFIRST(sv)) { | |
1348 | if (SvROK(sv)) { | |
1349 | #ifdef OVERLOAD | |
1350 | SV* tmpstr; | |
1351 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1352 | return SvUV(tmpstr); | |
1353 | #endif /* OVERLOAD */ | |
1354 | return (UV)SvRV(sv); | |
1355 | } | |
1356 | if (SvREADONLY(sv)) { | |
1357 | if (SvNOKp(sv)) { | |
1358 | return U_V(SvNVX(sv)); | |
1359 | } | |
36477c24 | 1360 | if (SvPOKp(sv) && SvLEN(sv)) |
1361 | return asUV(sv); | |
ff68c719 | 1362 | if (dowarn) |
1363 | warn(warn_uninit); | |
1364 | return 0; | |
1365 | } | |
1366 | } | |
1367 | switch (SvTYPE(sv)) { | |
1368 | case SVt_NULL: | |
1369 | sv_upgrade(sv, SVt_IV); | |
8ebc5c01 | 1370 | break; |
ff68c719 | 1371 | case SVt_PV: |
1372 | sv_upgrade(sv, SVt_PVIV); | |
1373 | break; | |
1374 | case SVt_NV: | |
1375 | sv_upgrade(sv, SVt_PVNV); | |
1376 | break; | |
1377 | } | |
1378 | if (SvNOKp(sv)) { | |
1379 | (void)SvIOK_on(sv); | |
1380 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1381 | } | |
1382 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
ff68c719 | 1383 | (void)SvIOK_on(sv); |
36477c24 | 1384 | SvUVX(sv) = asUV(sv); |
ff68c719 | 1385 | } |
1386 | else { | |
e858de61 | 1387 | dTHR; /* just for localizing */ |
ff68c719 | 1388 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
1389 | warn(warn_uninit); | |
1390 | return 0; | |
1391 | } | |
1392 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n", | |
1393 | (unsigned long)sv,SvUVX(sv))); | |
1394 | return SvUVX(sv); | |
1395 | } | |
1396 | ||
79072805 LW |
1397 | double |
1398 | sv_2nv(sv) | |
1399 | register SV *sv; | |
1400 | { | |
1401 | if (!sv) | |
1402 | return 0.0; | |
8990e307 | 1403 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1404 | mg_get(sv); |
1405 | if (SvNOKp(sv)) | |
1406 | return SvNVX(sv); | |
a0d0e21e | 1407 | if (SvPOKp(sv) && SvLEN(sv)) { |
748a9306 | 1408 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1409 | not_a_number(sv); |
36477c24 | 1410 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1411 | return atof(SvPVX(sv)); |
a0d0e21e | 1412 | } |
463ee0b2 LW |
1413 | if (SvIOKp(sv)) |
1414 | return (double)SvIVX(sv); | |
16d20bd9 | 1415 | if (!SvROK(sv)) { |
e858de61 | 1416 | dTHR; /* just for localizing */ |
3fe9a6f1 | 1417 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
1418 | warn(warn_uninit); | |
16d20bd9 AD |
1419 | return 0; |
1420 | } | |
463ee0b2 | 1421 | } |
ed6116ce | 1422 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1423 | if (SvROK(sv)) { |
1424 | #ifdef OVERLOAD | |
1425 | SV* tmpstr; | |
1426 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) | |
1427 | return SvNV(tmpstr); | |
1428 | #endif /* OVERLOAD */ | |
1429 | return (double)(unsigned long)SvRV(sv); | |
1430 | } | |
ed6116ce | 1431 | if (SvREADONLY(sv)) { |
748a9306 LW |
1432 | if (SvPOKp(sv) && SvLEN(sv)) { |
1433 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1434 | not_a_number(sv); |
36477c24 | 1435 | SET_NUMERIC_STANDARD(); |
ed6116ce | 1436 | return atof(SvPVX(sv)); |
a0d0e21e | 1437 | } |
748a9306 | 1438 | if (SvIOKp(sv)) |
8990e307 | 1439 | return (double)SvIVX(sv); |
ed6116ce | 1440 | if (dowarn) |
8990e307 | 1441 | warn(warn_uninit); |
ed6116ce LW |
1442 | return 0.0; |
1443 | } | |
79072805 LW |
1444 | } |
1445 | if (SvTYPE(sv) < SVt_NV) { | |
463ee0b2 LW |
1446 | if (SvTYPE(sv) == SVt_IV) |
1447 | sv_upgrade(sv, SVt_PVNV); | |
1448 | else | |
1449 | sv_upgrade(sv, SVt_NV); | |
36477c24 | 1450 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1451 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1452 | "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
79072805 LW |
1453 | } |
1454 | else if (SvTYPE(sv) < SVt_PVNV) | |
1455 | sv_upgrade(sv, SVt_PVNV); | |
748a9306 LW |
1456 | if (SvIOKp(sv) && |
1457 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) | |
93a17b20 | 1458 | { |
463ee0b2 | 1459 | SvNVX(sv) = (double)SvIVX(sv); |
93a17b20 | 1460 | } |
748a9306 LW |
1461 | else if (SvPOKp(sv) && SvLEN(sv)) { |
1462 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1463 | not_a_number(sv); |
36477c24 | 1464 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1465 | SvNVX(sv) = atof(SvPVX(sv)); |
93a17b20 | 1466 | } |
79072805 | 1467 | else { |
11343788 | 1468 | dTHR; |
91bba347 | 1469 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1470 | warn(warn_uninit); |
a0d0e21e | 1471 | return 0.0; |
79072805 LW |
1472 | } |
1473 | SvNOK_on(sv); | |
36477c24 | 1474 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1475 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1476 | "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
463ee0b2 | 1477 | return SvNVX(sv); |
79072805 LW |
1478 | } |
1479 | ||
36477c24 | 1480 | static IV |
1481 | asIV(sv) | |
1482 | SV *sv; | |
1483 | { | |
1484 | I32 numtype = looks_like_number(sv); | |
1485 | double d; | |
1486 | ||
1487 | if (numtype == 1) | |
1488 | return atol(SvPVX(sv)); | |
1489 | if (!numtype && dowarn) | |
1490 | not_a_number(sv); | |
1491 | SET_NUMERIC_STANDARD(); | |
1492 | d = atof(SvPVX(sv)); | |
1493 | if (d < 0.0) | |
1494 | return I_V(d); | |
1495 | else | |
1496 | return (IV) U_V(d); | |
1497 | } | |
1498 | ||
1499 | static UV | |
1500 | asUV(sv) | |
1501 | SV *sv; | |
1502 | { | |
1503 | I32 numtype = looks_like_number(sv); | |
1504 | ||
1505 | if (numtype == 1) | |
1506 | return atol(SvPVX(sv)); | |
1507 | if (!numtype && dowarn) | |
1508 | not_a_number(sv); | |
1509 | SET_NUMERIC_STANDARD(); | |
1510 | return U_V(atof(SvPVX(sv))); | |
1511 | } | |
1512 | ||
1513 | I32 | |
1514 | looks_like_number(sv) | |
1515 | SV *sv; | |
1516 | { | |
1517 | register char *s; | |
1518 | register char *send; | |
1519 | register char *sbegin; | |
ff0cee69 | 1520 | I32 numtype; |
36477c24 | 1521 | STRLEN len; |
1522 | ||
1523 | if (SvPOK(sv)) { | |
1524 | sbegin = SvPVX(sv); | |
1525 | len = SvCUR(sv); | |
1526 | } | |
1527 | else if (SvPOKp(sv)) | |
1528 | sbegin = SvPV(sv, len); | |
1529 | else | |
1530 | return 1; | |
1531 | send = sbegin + len; | |
1532 | ||
1533 | s = sbegin; | |
1534 | while (isSPACE(*s)) | |
1535 | s++; | |
36477c24 | 1536 | if (*s == '+' || *s == '-') |
1537 | s++; | |
ff0cee69 | 1538 | |
1539 | /* next must be digit or '.' */ | |
1540 | if (isDIGIT(*s)) { | |
1541 | do { | |
1542 | s++; | |
1543 | } while (isDIGIT(*s)); | |
1544 | if (*s == '.') { | |
1545 | s++; | |
1546 | while (isDIGIT(*s)) /* optional digits after "." */ | |
1547 | s++; | |
1548 | } | |
36477c24 | 1549 | } |
ff0cee69 | 1550 | else if (*s == '.') { |
1551 | s++; | |
1552 | /* no digits before '.' means we need digits after it */ | |
1553 | if (isDIGIT(*s)) { | |
1554 | do { | |
1555 | s++; | |
1556 | } while (isDIGIT(*s)); | |
1557 | } | |
1558 | else | |
1559 | return 0; | |
1560 | } | |
1561 | else | |
1562 | return 0; | |
1563 | ||
1564 | /* | |
1565 | * we return 1 if the number can be converted to _integer_ with atol() | |
1566 | * and 2 if you need (int)atof(). | |
1567 | */ | |
1568 | numtype = 1; | |
1569 | ||
1570 | /* we can have an optional exponent part */ | |
36477c24 | 1571 | if (*s == 'e' || *s == 'E') { |
1572 | numtype = 2; | |
1573 | s++; | |
1574 | if (*s == '+' || *s == '-') | |
1575 | s++; | |
ff0cee69 | 1576 | if (isDIGIT(*s)) { |
1577 | do { | |
1578 | s++; | |
1579 | } while (isDIGIT(*s)); | |
1580 | } | |
1581 | else | |
1582 | return 0; | |
36477c24 | 1583 | } |
1584 | while (isSPACE(*s)) | |
1585 | s++; | |
1586 | if (s >= send) | |
1587 | return numtype; | |
1588 | if (len == 10 && memEQ(sbegin, "0 but true", 10)) | |
1589 | return 1; | |
1590 | return 0; | |
1591 | } | |
1592 | ||
79072805 | 1593 | char * |
463ee0b2 | 1594 | sv_2pv(sv, lp) |
79072805 | 1595 | register SV *sv; |
463ee0b2 | 1596 | STRLEN *lp; |
79072805 LW |
1597 | { |
1598 | register char *s; | |
1599 | int olderrno; | |
46fc3d4c | 1600 | SV *tsv; |
79072805 | 1601 | |
463ee0b2 LW |
1602 | if (!sv) { |
1603 | *lp = 0; | |
1604 | return ""; | |
1605 | } | |
8990e307 | 1606 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1607 | mg_get(sv); |
1608 | if (SvPOKp(sv)) { | |
1609 | *lp = SvCUR(sv); | |
1610 | return SvPVX(sv); | |
1611 | } | |
1612 | if (SvIOKp(sv)) { | |
a0d0e21e | 1613 | (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1614 | tsv = Nullsv; |
a0d0e21e | 1615 | goto tokensave; |
463ee0b2 LW |
1616 | } |
1617 | if (SvNOKp(sv)) { | |
36477c24 | 1618 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1619 | Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); |
46fc3d4c | 1620 | tsv = Nullsv; |
a0d0e21e | 1621 | goto tokensave; |
463ee0b2 | 1622 | } |
16d20bd9 | 1623 | if (!SvROK(sv)) { |
e858de61 | 1624 | dTHR; /* just for localizing */ |
3fe9a6f1 | 1625 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
1626 | warn(warn_uninit); | |
16d20bd9 AD |
1627 | *lp = 0; |
1628 | return ""; | |
1629 | } | |
463ee0b2 | 1630 | } |
ed6116ce LW |
1631 | if (SvTHINKFIRST(sv)) { |
1632 | if (SvROK(sv)) { | |
a0d0e21e LW |
1633 | #ifdef OVERLOAD |
1634 | SV* tmpstr; | |
1635 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) | |
1636 | return SvPV(tmpstr,*lp); | |
1637 | #endif /* OVERLOAD */ | |
ed6116ce LW |
1638 | sv = (SV*)SvRV(sv); |
1639 | if (!sv) | |
1640 | s = "NULLREF"; | |
1641 | else { | |
1642 | switch (SvTYPE(sv)) { | |
1643 | case SVt_NULL: | |
1644 | case SVt_IV: | |
1645 | case SVt_NV: | |
1646 | case SVt_RV: | |
1647 | case SVt_PV: | |
1648 | case SVt_PVIV: | |
1649 | case SVt_PVNV: | |
1650 | case SVt_PVBM: | |
1651 | case SVt_PVMG: s = "SCALAR"; break; | |
1652 | case SVt_PVLV: s = "LVALUE"; break; | |
1653 | case SVt_PVAV: s = "ARRAY"; break; | |
1654 | case SVt_PVHV: s = "HASH"; break; | |
1655 | case SVt_PVCV: s = "CODE"; break; | |
1656 | case SVt_PVGV: s = "GLOB"; break; | |
1657 | case SVt_PVFM: s = "FORMATLINE"; break; | |
36477c24 | 1658 | case SVt_PVIO: s = "IO"; break; |
ed6116ce LW |
1659 | default: s = "UNKNOWN"; break; |
1660 | } | |
46fc3d4c | 1661 | tsv = NEWSV(0,0); |
ed6116ce | 1662 | if (SvOBJECT(sv)) |
46fc3d4c | 1663 | sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); |
ed6116ce | 1664 | else |
46fc3d4c | 1665 | sv_setpv(tsv, s); |
1666 | sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv); | |
a0d0e21e | 1667 | goto tokensaveref; |
463ee0b2 | 1668 | } |
ed6116ce LW |
1669 | *lp = strlen(s); |
1670 | return s; | |
79072805 | 1671 | } |
ed6116ce | 1672 | if (SvREADONLY(sv)) { |
748a9306 | 1673 | if (SvNOKp(sv)) { |
36477c24 | 1674 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1675 | Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); |
46fc3d4c | 1676 | tsv = Nullsv; |
a0d0e21e | 1677 | goto tokensave; |
ed6116ce | 1678 | } |
8bb9dbe4 LW |
1679 | if (SvIOKp(sv)) { |
1680 | (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); | |
46fc3d4c | 1681 | tsv = Nullsv; |
8bb9dbe4 LW |
1682 | goto tokensave; |
1683 | } | |
ed6116ce | 1684 | if (dowarn) |
8990e307 | 1685 | warn(warn_uninit); |
ed6116ce LW |
1686 | *lp = 0; |
1687 | return ""; | |
79072805 | 1688 | } |
79072805 LW |
1689 | } |
1690 | if (!SvUPGRADE(sv, SVt_PV)) | |
1691 | return 0; | |
748a9306 | 1692 | if (SvNOKp(sv)) { |
79072805 LW |
1693 | if (SvTYPE(sv) < SVt_PVNV) |
1694 | sv_upgrade(sv, SVt_PVNV); | |
1695 | SvGROW(sv, 28); | |
463ee0b2 | 1696 | s = SvPVX(sv); |
79072805 | 1697 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 | 1698 | #ifdef apollo |
463ee0b2 | 1699 | if (SvNVX(sv) == 0.0) |
79072805 LW |
1700 | (void)strcpy(s,"0"); |
1701 | else | |
1702 | #endif /*apollo*/ | |
bbce6d69 | 1703 | { |
36477c24 | 1704 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1705 | Gconvert(SvNVX(sv), DBL_DIG, 0, s); |
bbce6d69 | 1706 | } |
79072805 | 1707 | errno = olderrno; |
a0d0e21e LW |
1708 | #ifdef FIXNEGATIVEZERO |
1709 | if (*s == '-' && s[1] == '0' && !s[2]) | |
1710 | strcpy(s,"0"); | |
1711 | #endif | |
79072805 LW |
1712 | while (*s) s++; |
1713 | #ifdef hcx | |
1714 | if (s[-1] == '.') | |
46fc3d4c | 1715 | *--s = '\0'; |
79072805 LW |
1716 | #endif |
1717 | } | |
748a9306 | 1718 | else if (SvIOKp(sv)) { |
79072805 LW |
1719 | if (SvTYPE(sv) < SVt_PVIV) |
1720 | sv_upgrade(sv, SVt_PVIV); | |
79072805 | 1721 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
fc36a67e | 1722 | sv_setpvf(sv, "%Vd", SvIVX(sv)); |
79072805 | 1723 | errno = olderrno; |
46fc3d4c | 1724 | s = SvEND(sv); |
79072805 LW |
1725 | } |
1726 | else { | |
11343788 | 1727 | dTHR; |
91bba347 | 1728 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1729 | warn(warn_uninit); |
a0d0e21e LW |
1730 | *lp = 0; |
1731 | return ""; | |
79072805 | 1732 | } |
463ee0b2 LW |
1733 | *lp = s - SvPVX(sv); |
1734 | SvCUR_set(sv, *lp); | |
79072805 | 1735 | SvPOK_on(sv); |
760ac839 | 1736 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); |
463ee0b2 | 1737 | return SvPVX(sv); |
a0d0e21e LW |
1738 | |
1739 | tokensave: | |
1740 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ | |
1741 | /* Sneaky stuff here */ | |
1742 | ||
1743 | tokensaveref: | |
46fc3d4c | 1744 | if (!tsv) |
1745 | tsv = newSVpv(tokenbuf, 0); | |
1746 | sv_2mortal(tsv); | |
1747 | *lp = SvCUR(tsv); | |
1748 | return SvPVX(tsv); | |
a0d0e21e LW |
1749 | } |
1750 | else { | |
1751 | STRLEN len; | |
46fc3d4c | 1752 | char *t; |
1753 | ||
1754 | if (tsv) { | |
1755 | sv_2mortal(tsv); | |
1756 | t = SvPVX(tsv); | |
1757 | len = SvCUR(tsv); | |
1758 | } | |
1759 | else { | |
1760 | t = tokenbuf; | |
1761 | len = strlen(tokenbuf); | |
1762 | } | |
a0d0e21e | 1763 | #ifdef FIXNEGATIVEZERO |
46fc3d4c | 1764 | if (len == 2 && t[0] == '-' && t[1] == '0') { |
1765 | t = "0"; | |
1766 | len = 1; | |
1767 | } | |
a0d0e21e LW |
1768 | #endif |
1769 | (void)SvUPGRADE(sv, SVt_PV); | |
46fc3d4c | 1770 | *lp = len; |
a0d0e21e LW |
1771 | s = SvGROW(sv, len + 1); |
1772 | SvCUR_set(sv, len); | |
46fc3d4c | 1773 | (void)strcpy(s, t); |
6bf554b4 | 1774 | SvPOKp_on(sv); |
a0d0e21e LW |
1775 | return s; |
1776 | } | |
463ee0b2 LW |
1777 | } |
1778 | ||
1779 | /* This function is only called on magical items */ | |
1780 | bool | |
1781 | sv_2bool(sv) | |
1782 | register SV *sv; | |
1783 | { | |
8990e307 | 1784 | if (SvGMAGICAL(sv)) |
463ee0b2 LW |
1785 | mg_get(sv); |
1786 | ||
a0d0e21e LW |
1787 | if (!SvOK(sv)) |
1788 | return 0; | |
1789 | if (SvROK(sv)) { | |
1790 | #ifdef OVERLOAD | |
1791 | { | |
11343788 | 1792 | dTHR; |
a0d0e21e LW |
1793 | SV* tmpsv; |
1794 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) | |
1795 | return SvTRUE(tmpsv); | |
1796 | } | |
1797 | #endif /* OVERLOAD */ | |
1798 | return SvRV(sv) != 0; | |
1799 | } | |
463ee0b2 | 1800 | if (SvPOKp(sv)) { |
11343788 MB |
1801 | register XPV* Xpvtmp; |
1802 | if ((Xpvtmp = (XPV*)SvANY(sv)) && | |
1803 | (*Xpvtmp->xpv_pv > '0' || | |
1804 | Xpvtmp->xpv_cur > 1 || | |
1805 | (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0'))) | |
463ee0b2 LW |
1806 | return 1; |
1807 | else | |
1808 | return 0; | |
1809 | } | |
1810 | else { | |
1811 | if (SvIOKp(sv)) | |
1812 | return SvIVX(sv) != 0; | |
1813 | else { | |
1814 | if (SvNOKp(sv)) | |
1815 | return SvNVX(sv) != 0.0; | |
1816 | else | |
1817 | return FALSE; | |
1818 | } | |
1819 | } | |
79072805 LW |
1820 | } |
1821 | ||
1822 | /* Note: sv_setsv() should not be called with a source string that needs | |
463ee0b2 | 1823 | * to be reused, since it may destroy the source string if it is marked |
79072805 LW |
1824 | * as temporary. |
1825 | */ | |
1826 | ||
1827 | void | |
1828 | sv_setsv(dstr,sstr) | |
1829 | SV *dstr; | |
1830 | register SV *sstr; | |
1831 | { | |
11343788 | 1832 | dTHR; |
8990e307 LW |
1833 | register U32 sflags; |
1834 | register int dtype; | |
1835 | register int stype; | |
463ee0b2 | 1836 | |
79072805 LW |
1837 | if (sstr == dstr) |
1838 | return; | |
0f15f207 | 1839 | sv_check_thinkfirst(dstr); |
79072805 LW |
1840 | if (!sstr) |
1841 | sstr = &sv_undef; | |
8990e307 LW |
1842 | stype = SvTYPE(sstr); |
1843 | dtype = SvTYPE(dstr); | |
79072805 | 1844 | |
8e07c86e AD |
1845 | if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) { |
1846 | sv_unglob(dstr); /* so fake GLOB won't perpetuate */ | |
4633a7c4 LW |
1847 | sv_setpvn(dstr, "", 0); |
1848 | (void)SvPOK_only(dstr); | |
8e07c86e AD |
1849 | dtype = SvTYPE(dstr); |
1850 | } | |
1851 | ||
a0d0e21e LW |
1852 | #ifdef OVERLOAD |
1853 | SvAMAGIC_off(dstr); | |
1854 | #endif /* OVERLOAD */ | |
463ee0b2 | 1855 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 | 1856 | |
8990e307 | 1857 | switch (stype) { |
79072805 | 1858 | case SVt_NULL: |
a0d0e21e | 1859 | (void)SvOK_off(dstr); |
79072805 | 1860 | return; |
463ee0b2 | 1861 | case SVt_IV: |
ff68c719 | 1862 | if (dtype != SVt_IV && dtype < SVt_PVIV) { |
8990e307 LW |
1863 | if (dtype < SVt_IV) |
1864 | sv_upgrade(dstr, SVt_IV); | |
8990e307 LW |
1865 | else if (dtype == SVt_NV) |
1866 | sv_upgrade(dstr, SVt_PVNV); | |
ff68c719 | 1867 | else |
a0d0e21e | 1868 | sv_upgrade(dstr, SVt_PVIV); |
8990e307 | 1869 | } |
463ee0b2 LW |
1870 | break; |
1871 | case SVt_NV: | |
ff68c719 | 1872 | if (dtype != SVt_NV && dtype < SVt_PVNV) { |
8990e307 LW |
1873 | if (dtype < SVt_NV) |
1874 | sv_upgrade(dstr, SVt_NV); | |
ff68c719 | 1875 | else |
a0d0e21e | 1876 | sv_upgrade(dstr, SVt_PVNV); |
8990e307 | 1877 | } |
463ee0b2 | 1878 | break; |
ed6116ce | 1879 | case SVt_RV: |
8990e307 | 1880 | if (dtype < SVt_RV) |
ed6116ce | 1881 | sv_upgrade(dstr, SVt_RV); |
c07a80fd | 1882 | else if (dtype == SVt_PVGV && |
1883 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { | |
1884 | sstr = SvRV(sstr); | |
a5f75d66 AD |
1885 | if (sstr == dstr) { |
1886 | if (curcop->cop_stash != GvSTASH(dstr)) | |
1887 | GvIMPORTED_on(dstr); | |
1888 | GvMULTI_on(dstr); | |
1889 | return; | |
1890 | } | |
c07a80fd | 1891 | goto glob_assign; |
1892 | } | |
ed6116ce | 1893 | break; |
463ee0b2 | 1894 | case SVt_PV: |
fc36a67e | 1895 | case SVt_PVFM: |
8990e307 | 1896 | if (dtype < SVt_PV) |
463ee0b2 | 1897 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 LW |
1898 | break; |
1899 | case SVt_PVIV: | |
8990e307 | 1900 | if (dtype < SVt_PVIV) |
463ee0b2 | 1901 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 LW |
1902 | break; |
1903 | case SVt_PVNV: | |
8990e307 | 1904 | if (dtype < SVt_PVNV) |
463ee0b2 | 1905 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 | 1906 | break; |
4633a7c4 LW |
1907 | |
1908 | case SVt_PVLV: | |
4561caa4 | 1909 | sv_upgrade(dstr, SVt_PVLV); |
4633a7c4 LW |
1910 | break; |
1911 | ||
1912 | case SVt_PVAV: | |
1913 | case SVt_PVHV: | |
1914 | case SVt_PVCV: | |
4633a7c4 LW |
1915 | case SVt_PVIO: |
1916 | if (op) | |
1917 | croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0), | |
1918 | op_name[op->op_type]); | |
1919 | else | |
1920 | croak("Bizarre copy of %s", sv_reftype(sstr, 0)); | |
1921 | break; | |
1922 | ||
79072805 | 1923 | case SVt_PVGV: |
8990e307 | 1924 | if (dtype <= SVt_PVGV) { |
c07a80fd | 1925 | glob_assign: |
a5f75d66 | 1926 | if (dtype != SVt_PVGV) { |
a0d0e21e LW |
1927 | char *name = GvNAME(sstr); |
1928 | STRLEN len = GvNAMELEN(sstr); | |
463ee0b2 | 1929 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e LW |
1930 | sv_magic(dstr, dstr, '*', name, len); |
1931 | GvSTASH(dstr) = GvSTASH(sstr); | |
1932 | GvNAME(dstr) = savepvn(name, len); | |
1933 | GvNAMELEN(dstr) = len; | |
1934 | SvFAKE_on(dstr); /* can coerce to non-glob */ | |
1935 | } | |
7bac28a0 | 1936 | /* ahem, death to those who redefine active sort subs */ |
1937 | else if (curstack == sortstack | |
1938 | && GvCV(dstr) && sortcop == CvSTART(GvCV(dstr))) | |
1939 | croak("Can't redefine active sort subroutine %s", | |
1940 | GvNAME(dstr)); | |
a0d0e21e | 1941 | (void)SvOK_off(dstr); |
a5f75d66 | 1942 | GvINTRO_off(dstr); /* one-shot flag */ |
1edc1566 | 1943 | gp_free((GV*)dstr); |
79072805 | 1944 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 | 1945 | SvTAINT(dstr); |
a5f75d66 AD |
1946 | if (curcop->cop_stash != GvSTASH(dstr)) |
1947 | GvIMPORTED_on(dstr); | |
1948 | GvMULTI_on(dstr); | |
79072805 LW |
1949 | return; |
1950 | } | |
1951 | /* FALL THROUGH */ | |
1952 | ||
1953 | default: | |
973f89ab CS |
1954 | if (SvGMAGICAL(sstr)) { |
1955 | mg_get(sstr); | |
1956 | if (SvTYPE(sstr) != stype) { | |
1957 | stype = SvTYPE(sstr); | |
1958 | if (stype == SVt_PVGV && dtype <= SVt_PVGV) | |
1959 | goto glob_assign; | |
1960 | } | |
1961 | } | |
8990e307 LW |
1962 | if (dtype < stype) |
1963 | sv_upgrade(dstr, stype); | |
79072805 LW |
1964 | } |
1965 | ||
8990e307 LW |
1966 | sflags = SvFLAGS(sstr); |
1967 | ||
1968 | if (sflags & SVf_ROK) { | |
1969 | if (dtype >= SVt_PV) { | |
1970 | if (dtype == SVt_PVGV) { | |
11343788 | 1971 | dTHR; |
8990e307 LW |
1972 | SV *sref = SvREFCNT_inc(SvRV(sstr)); |
1973 | SV *dref = 0; | |
a5f75d66 | 1974 | int intro = GvINTRO(dstr); |
a0d0e21e LW |
1975 | |
1976 | if (intro) { | |
1977 | GP *gp; | |
1978 | GvGP(dstr)->gp_refcnt--; | |
a5f75d66 | 1979 | GvINTRO_off(dstr); /* one-shot flag */ |
a0d0e21e | 1980 | Newz(602,gp, 1, GP); |
44a8e56a | 1981 | GvGP(dstr) = gp_ref(gp); |
a0d0e21e LW |
1982 | GvSV(dstr) = NEWSV(72,0); |
1983 | GvLINE(dstr) = curcop->cop_line; | |
1edc1566 | 1984 | GvEGV(dstr) = (GV*)dstr; |
a0d0e21e | 1985 | } |
a5f75d66 | 1986 | GvMULTI_on(dstr); |
8990e307 LW |
1987 | switch (SvTYPE(sref)) { |
1988 | case SVt_PVAV: | |
a0d0e21e LW |
1989 | if (intro) |
1990 | SAVESPTR(GvAV(dstr)); | |
1991 | else | |
1992 | dref = (SV*)GvAV(dstr); | |
8990e307 | 1993 | GvAV(dstr) = (AV*)sref; |
a5f75d66 AD |
1994 | if (curcop->cop_stash != GvSTASH(dstr)) |
1995 | GvIMPORTED_AV_on(dstr); | |
8990e307 LW |
1996 | break; |
1997 | case SVt_PVHV: | |
a0d0e21e LW |
1998 | if (intro) |
1999 | SAVESPTR(GvHV(dstr)); | |
2000 | else | |
2001 | dref = (SV*)GvHV(dstr); | |
8990e307 | 2002 | GvHV(dstr) = (HV*)sref; |
a5f75d66 AD |
2003 | if (curcop->cop_stash != GvSTASH(dstr)) |
2004 | GvIMPORTED_HV_on(dstr); | |
8990e307 LW |
2005 | break; |
2006 | case SVt_PVCV: | |
8ebc5c01 | 2007 | if (intro) { |
2008 | if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { | |
2009 | SvREFCNT_dec(GvCV(dstr)); | |
2010 | GvCV(dstr) = Nullcv; | |
68dc0745 | 2011 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
2012 | sub_generation++; | |
8ebc5c01 | 2013 | } |
a0d0e21e | 2014 | SAVESPTR(GvCV(dstr)); |
8ebc5c01 | 2015 | } |
68dc0745 | 2016 | else |
2017 | dref = (SV*)GvCV(dstr); | |
2018 | if (GvCV(dstr) != (CV*)sref) { | |
748a9306 | 2019 | CV* cv = GvCV(dstr); |
4633a7c4 | 2020 | if (cv) { |
68dc0745 | 2021 | if (!GvCVGEN((GV*)dstr) && |
2022 | (CvROOT(cv) || CvXSUB(cv))) | |
2023 | { | |
7bac28a0 | 2024 | /* ahem, death to those who redefine |
2025 | * active sort subs */ | |
2026 | if (curstack == sortstack && | |
2027 | sortcop == CvSTART(cv)) | |
2028 | croak( | |
2029 | "Can't redefine active sort subroutine %s", | |
2030 | GvENAME((GV*)dstr)); | |
9607fc9c | 2031 | if (cv_const_sv(cv)) |
2032 | warn("Constant subroutine %s redefined", | |
2033 | GvENAME((GV*)dstr)); | |
2034 | else if (dowarn) | |
2035 | warn("Subroutine %s redefined", | |
2036 | GvENAME((GV*)dstr)); | |
2037 | } | |
3fe9a6f1 | 2038 | cv_ckproto(cv, (GV*)dstr, |
2039 | SvPOK(sref) ? SvPVX(sref) : Nullch); | |
4633a7c4 | 2040 | } |
a5f75d66 | 2041 | GvCV(dstr) = (CV*)sref; |
7a4c00b4 | 2042 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
a5f75d66 | 2043 | GvASSUMECV_on(dstr); |
8ebc5c01 | 2044 | sub_generation++; |
a5f75d66 AD |
2045 | } |
2046 | if (curcop->cop_stash != GvSTASH(dstr)) | |
2047 | GvIMPORTED_CV_on(dstr); | |
8990e307 | 2048 | break; |
91bba347 LW |
2049 | case SVt_PVIO: |
2050 | if (intro) | |
2051 | SAVESPTR(GvIOp(dstr)); | |
2052 | else | |
2053 | dref = (SV*)GvIOp(dstr); | |
2054 | GvIOp(dstr) = (IO*)sref; | |
2055 | break; | |
8990e307 | 2056 | default: |
a0d0e21e LW |
2057 | if (intro) |
2058 | SAVESPTR(GvSV(dstr)); | |
2059 | else | |
2060 | dref = (SV*)GvSV(dstr); | |
8990e307 | 2061 | GvSV(dstr) = sref; |
a5f75d66 AD |
2062 | if (curcop->cop_stash != GvSTASH(dstr)) |
2063 | GvIMPORTED_SV_on(dstr); | |
8990e307 LW |
2064 | break; |
2065 | } | |
2066 | if (dref) | |
2067 | SvREFCNT_dec(dref); | |
a0d0e21e LW |
2068 | if (intro) |
2069 | SAVEFREESV(sref); | |
8990e307 LW |
2070 | SvTAINT(dstr); |
2071 | return; | |
2072 | } | |
a0d0e21e | 2073 | if (SvPVX(dstr)) { |
760ac839 | 2074 | (void)SvOOK_off(dstr); /* backoff */ |
8990e307 | 2075 | Safefree(SvPVX(dstr)); |
a0d0e21e LW |
2076 | SvLEN(dstr)=SvCUR(dstr)=0; |
2077 | } | |
8990e307 | 2078 | } |
a0d0e21e | 2079 | (void)SvOK_off(dstr); |
8990e307 | 2080 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce | 2081 | SvROK_on(dstr); |
8990e307 | 2082 | if (sflags & SVp_NOK) { |
ed6116ce LW |
2083 | SvNOK_on(dstr); |
2084 | SvNVX(dstr) = SvNVX(sstr); | |
2085 | } | |
8990e307 | 2086 | if (sflags & SVp_IOK) { |
a0d0e21e | 2087 | (void)SvIOK_on(dstr); |
ed6116ce LW |
2088 | SvIVX(dstr) = SvIVX(sstr); |
2089 | } | |
a0d0e21e LW |
2090 | #ifdef OVERLOAD |
2091 | if (SvAMAGIC(sstr)) { | |
2092 | SvAMAGIC_on(dstr); | |
2093 | } | |
2094 | #endif /* OVERLOAD */ | |
ed6116ce | 2095 | } |
8990e307 | 2096 | else if (sflags & SVp_POK) { |
79072805 LW |
2097 | |
2098 | /* | |
2099 | * Check to see if we can just swipe the string. If so, it's a | |
2100 | * possible small lose on short strings, but a big win on long ones. | |
463ee0b2 LW |
2101 | * It might even be a win on short strings if SvPVX(dstr) |
2102 | * has to be allocated and SvPVX(sstr) has to be freed. | |
79072805 LW |
2103 | */ |
2104 | ||
ff68c719 | 2105 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
a5f75d66 AD |
2106 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
2107 | { | |
adbc6bb1 | 2108 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a5f75d66 AD |
2109 | if (SvOOK(dstr)) { |
2110 | SvFLAGS(dstr) &= ~SVf_OOK; | |
2111 | Safefree(SvPVX(dstr) - SvIVX(dstr)); | |
2112 | } | |
2113 | else | |
2114 | Safefree(SvPVX(dstr)); | |
79072805 | 2115 | } |
a5f75d66 | 2116 | (void)SvPOK_only(dstr); |
463ee0b2 | 2117 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 LW |
2118 | SvLEN_set(dstr, SvLEN(sstr)); |
2119 | SvCUR_set(dstr, SvCUR(sstr)); | |
79072805 | 2120 | SvTEMP_off(dstr); |
a5f75d66 | 2121 | (void)SvOK_off(sstr); |
79072805 LW |
2122 | SvPV_set(sstr, Nullch); |
2123 | SvLEN_set(sstr, 0); | |
a5f75d66 AD |
2124 | SvCUR_set(sstr, 0); |
2125 | SvTEMP_off(sstr); | |
79072805 LW |
2126 | } |
2127 | else { /* have to copy actual string */ | |
8990e307 LW |
2128 | STRLEN len = SvCUR(sstr); |
2129 | ||
2130 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ | |
2131 | Move(SvPVX(sstr),SvPVX(dstr),len,char); | |
2132 | SvCUR_set(dstr, len); | |
2133 | *SvEND(dstr) = '\0'; | |
a0d0e21e | 2134 | (void)SvPOK_only(dstr); |
79072805 LW |
2135 | } |
2136 | /*SUPPRESS 560*/ | |
8990e307 | 2137 | if (sflags & SVp_NOK) { |
79072805 | 2138 | SvNOK_on(dstr); |
463ee0b2 | 2139 | SvNVX(dstr) = SvNVX(sstr); |
79072805 | 2140 | } |
8990e307 | 2141 | if (sflags & SVp_IOK) { |
a0d0e21e | 2142 | (void)SvIOK_on(dstr); |
463ee0b2 | 2143 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2144 | } |
2145 | } | |
8990e307 | 2146 | else if (sflags & SVp_NOK) { |
463ee0b2 | 2147 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e | 2148 | (void)SvNOK_only(dstr); |
79072805 | 2149 | if (SvIOK(sstr)) { |
a0d0e21e | 2150 | (void)SvIOK_on(dstr); |
463ee0b2 | 2151 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2152 | } |
2153 | } | |
8990e307 | 2154 | else if (sflags & SVp_IOK) { |
a0d0e21e | 2155 | (void)SvIOK_only(dstr); |
463ee0b2 | 2156 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2157 | } |
2158 | else { | |
a0d0e21e LW |
2159 | (void)SvOK_off(dstr); |
2160 | } | |
463ee0b2 | 2161 | SvTAINT(dstr); |
79072805 LW |
2162 | } |
2163 | ||
2164 | void | |
2165 | sv_setpvn(sv,ptr,len) | |
2166 | register SV *sv; | |
71be2cbc | 2167 | register const char *ptr; |
79072805 LW |
2168 | register STRLEN len; |
2169 | { | |
4561caa4 CS |
2170 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
2171 | elicit a warning, but it won't hurt. */ | |
0f15f207 | 2172 | sv_check_thinkfirst(sv); |
463ee0b2 | 2173 | if (!ptr) { |
a0d0e21e | 2174 | (void)SvOK_off(sv); |
463ee0b2 LW |
2175 | return; |
2176 | } | |
c07a80fd | 2177 | if (SvTYPE(sv) >= SVt_PV) { |
2178 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2179 | sv_unglob(sv); | |
2180 | } | |
2181 | else if (!sv_upgrade(sv, SVt_PV)) | |
79072805 LW |
2182 | return; |
2183 | SvGROW(sv, len + 1); | |
a0d0e21e | 2184 | Move(ptr,SvPVX(sv),len,char); |
79072805 LW |
2185 | SvCUR_set(sv, len); |
2186 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2187 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2188 | SvTAINT(sv); |
79072805 LW |
2189 | } |
2190 | ||
2191 | void | |
2192 | sv_setpv(sv,ptr) | |
2193 | register SV *sv; | |
71be2cbc | 2194 | register const char *ptr; |
79072805 LW |
2195 | { |
2196 | register STRLEN len; | |
2197 | ||
0f15f207 | 2198 | sv_check_thinkfirst(sv); |
463ee0b2 | 2199 | if (!ptr) { |
a0d0e21e | 2200 | (void)SvOK_off(sv); |
463ee0b2 LW |
2201 | return; |
2202 | } | |
79072805 | 2203 | len = strlen(ptr); |
c07a80fd | 2204 | if (SvTYPE(sv) >= SVt_PV) { |
2205 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2206 | sv_unglob(sv); | |
2207 | } | |
2208 | else if (!sv_upgrade(sv, SVt_PV)) | |
79072805 LW |
2209 | return; |
2210 | SvGROW(sv, len + 1); | |
463ee0b2 | 2211 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 | 2212 | SvCUR_set(sv, len); |
a0d0e21e | 2213 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 LW |
2214 | SvTAINT(sv); |
2215 | } | |
2216 | ||
2217 | void | |
2218 | sv_usepvn(sv,ptr,len) | |
2219 | register SV *sv; | |
2220 | register char *ptr; | |
2221 | register STRLEN len; | |
2222 | { | |
0f15f207 | 2223 | sv_check_thinkfirst(sv); |
463ee0b2 LW |
2224 | if (!SvUPGRADE(sv, SVt_PV)) |
2225 | return; | |
2226 | if (!ptr) { | |
a0d0e21e | 2227 | (void)SvOK_off(sv); |
463ee0b2 LW |
2228 | return; |
2229 | } | |
2230 | if (SvPVX(sv)) | |
2231 | Safefree(SvPVX(sv)); | |
2232 | Renew(ptr, len+1, char); | |
2233 | SvPVX(sv) = ptr; | |
2234 | SvCUR_set(sv, len); | |
2235 | SvLEN_set(sv, len+1); | |
2236 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2237 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2238 | SvTAINT(sv); |
79072805 LW |
2239 | } |
2240 | ||
0f15f207 MB |
2241 | static void |
2242 | sv_check_thinkfirst(sv) | |
2243 | register SV *sv; | |
2244 | { | |
2245 | if (SvTHINKFIRST(sv)) { | |
2246 | if (SvREADONLY(sv)) { | |
2247 | dTHR; | |
2248 | if (curcop != &compiling) | |
2249 | croak(no_modify); | |
2250 | } | |
2251 | if (SvROK(sv)) | |
2252 | sv_unref(sv); | |
2253 | } | |
2254 | } | |
2255 | ||
79072805 LW |
2256 | void |
2257 | sv_chop(sv,ptr) /* like set but assuming ptr is in sv */ | |
2258 | register SV *sv; | |
2259 | register char *ptr; | |
2260 | { | |
2261 | register STRLEN delta; | |
2262 | ||
a0d0e21e | 2263 | if (!ptr || !SvPOKp(sv)) |
79072805 | 2264 | return; |
0f15f207 | 2265 | sv_check_thinkfirst(sv); |
79072805 LW |
2266 | if (SvTYPE(sv) < SVt_PVIV) |
2267 | sv_upgrade(sv,SVt_PVIV); | |
2268 | ||
2269 | if (!SvOOK(sv)) { | |
463ee0b2 | 2270 | SvIVX(sv) = 0; |
79072805 LW |
2271 | SvFLAGS(sv) |= SVf_OOK; |
2272 | } | |
8990e307 | 2273 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK); |
463ee0b2 | 2274 | delta = ptr - SvPVX(sv); |
79072805 LW |
2275 | SvLEN(sv) -= delta; |
2276 | SvCUR(sv) -= delta; | |
463ee0b2 LW |
2277 | SvPVX(sv) += delta; |
2278 | SvIVX(sv) += delta; | |
79072805 LW |
2279 | } |
2280 | ||
2281 | void | |
2282 | sv_catpvn(sv,ptr,len) | |
2283 | register SV *sv; | |
2284 | register char *ptr; | |
2285 | register STRLEN len; | |
2286 | { | |
463ee0b2 | 2287 | STRLEN tlen; |
748a9306 | 2288 | char *junk; |
a0d0e21e | 2289 | |
748a9306 | 2290 | junk = SvPV_force(sv, tlen); |
463ee0b2 | 2291 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2292 | if (ptr == junk) |
2293 | ptr = SvPVX(sv); | |
463ee0b2 | 2294 | Move(ptr,SvPVX(sv)+tlen,len,char); |
79072805 LW |
2295 | SvCUR(sv) += len; |
2296 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2297 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2298 | SvTAINT(sv); |
79072805 LW |
2299 | } |
2300 | ||
2301 | void | |
2302 | sv_catsv(dstr,sstr) | |
2303 | SV *dstr; | |
2304 | register SV *sstr; | |
2305 | { | |
2306 | char *s; | |
463ee0b2 | 2307 | STRLEN len; |
79072805 LW |
2308 | if (!sstr) |
2309 | return; | |
463ee0b2 LW |
2310 | if (s = SvPV(sstr, len)) |
2311 | sv_catpvn(dstr,s,len); | |
79072805 LW |
2312 | } |
2313 | ||
2314 | void | |
2315 | sv_catpv(sv,ptr) | |
2316 | register SV *sv; | |
2317 | register char *ptr; | |
2318 | { | |
2319 | register STRLEN len; | |
463ee0b2 | 2320 | STRLEN tlen; |
748a9306 | 2321 | char *junk; |
79072805 | 2322 | |
79072805 LW |
2323 | if (!ptr) |
2324 | return; | |
748a9306 | 2325 | junk = SvPV_force(sv, tlen); |
79072805 | 2326 | len = strlen(ptr); |
463ee0b2 | 2327 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2328 | if (ptr == junk) |
2329 | ptr = SvPVX(sv); | |
463ee0b2 | 2330 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
79072805 | 2331 | SvCUR(sv) += len; |
a0d0e21e | 2332 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2333 | SvTAINT(sv); |
79072805 LW |
2334 | } |
2335 | ||
79072805 LW |
2336 | SV * |
2337 | #ifdef LEAKTEST | |
2338 | newSV(x,len) | |
2339 | I32 x; | |
2340 | #else | |
2341 | newSV(len) | |
2342 | #endif | |
2343 | STRLEN len; | |
2344 | { | |
2345 | register SV *sv; | |
2346 | ||
4561caa4 | 2347 | new_SV(sv); |
8990e307 LW |
2348 | SvANY(sv) = 0; |
2349 | SvREFCNT(sv) = 1; | |
2350 | SvFLAGS(sv) = 0; | |
79072805 LW |
2351 | if (len) { |
2352 | sv_upgrade(sv, SVt_PV); | |
2353 | SvGROW(sv, len + 1); | |
2354 | } | |
2355 | return sv; | |
2356 | } | |
2357 | ||
1edc1566 | 2358 | /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ |
2359 | ||
79072805 LW |
2360 | void |
2361 | sv_magic(sv, obj, how, name, namlen) | |
2362 | register SV *sv; | |
2363 | SV *obj; | |
a0d0e21e | 2364 | int how; |
79072805 | 2365 | char *name; |
463ee0b2 | 2366 | I32 namlen; |
79072805 LW |
2367 | { |
2368 | MAGIC* mg; | |
2369 | ||
0f15f207 MB |
2370 | if (SvREADONLY(sv)) { |
2371 | dTHR; | |
2372 | if (curcop != &compiling && !strchr("gBf", how)) | |
2373 | croak(no_modify); | |
2374 | } | |
4633a7c4 | 2375 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
748a9306 LW |
2376 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
2377 | if (how == 't') | |
2378 | mg->mg_len |= 1; | |
463ee0b2 | 2379 | return; |
748a9306 | 2380 | } |
463ee0b2 LW |
2381 | } |
2382 | else { | |
2383 | if (!SvUPGRADE(sv, SVt_PVMG)) | |
2384 | return; | |
463ee0b2 | 2385 | } |
79072805 LW |
2386 | Newz(702,mg, 1, MAGIC); |
2387 | mg->mg_moremagic = SvMAGIC(sv); | |
463ee0b2 | 2388 | |
79072805 | 2389 | SvMAGIC(sv) = mg; |
748a9306 | 2390 | if (!obj || obj == sv || how == '#') |
8990e307 | 2391 | mg->mg_obj = obj; |
85e6fe83 | 2392 | else { |
11343788 | 2393 | dTHR; |
8990e307 | 2394 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 LW |
2395 | mg->mg_flags |= MGf_REFCOUNTED; |
2396 | } | |
79072805 | 2397 | mg->mg_type = how; |
463ee0b2 | 2398 | mg->mg_len = namlen; |
1edc1566 | 2399 | if (name) |
2400 | if (namlen >= 0) | |
2401 | mg->mg_ptr = savepvn(name, namlen); | |
e858de61 MB |
2402 | else if (namlen == HEf_SVKEY) { |
2403 | dTHR; /* just for SvREFCNT_inc */ | |
1edc1566 | 2404 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); |
e858de61 | 2405 | } |
1edc1566 | 2406 | |
79072805 LW |
2407 | switch (how) { |
2408 | case 0: | |
2409 | mg->mg_virtual = &vtbl_sv; | |
2410 | break; | |
a0d0e21e LW |
2411 | #ifdef OVERLOAD |
2412 | case 'A': | |
2413 | mg->mg_virtual = &vtbl_amagic; | |
2414 | break; | |
2415 | case 'a': | |
2416 | mg->mg_virtual = &vtbl_amagicelem; | |
2417 | break; | |
2418 | case 'c': | |
2419 | mg->mg_virtual = 0; | |
2420 | break; | |
2421 | #endif /* OVERLOAD */ | |
79072805 LW |
2422 | case 'B': |
2423 | mg->mg_virtual = &vtbl_bm; | |
2424 | break; | |
79072805 LW |
2425 | case 'E': |
2426 | mg->mg_virtual = &vtbl_env; | |
2427 | break; | |
55497cff | 2428 | case 'f': |
2429 | mg->mg_virtual = &vtbl_fm; | |
2430 | break; | |
79072805 LW |
2431 | case 'e': |
2432 | mg->mg_virtual = &vtbl_envelem; | |
2433 | break; | |
93a17b20 LW |
2434 | case 'g': |
2435 | mg->mg_virtual = &vtbl_mglob; | |
2436 | break; | |
463ee0b2 LW |
2437 | case 'I': |
2438 | mg->mg_virtual = &vtbl_isa; | |
2439 | break; | |
2440 | case 'i': | |
2441 | mg->mg_virtual = &vtbl_isaelem; | |
2442 | break; | |
16660edb | 2443 | case 'k': |
2444 | mg->mg_virtual = &vtbl_nkeys; | |
2445 | break; | |
79072805 | 2446 | case 'L': |
a0d0e21e | 2447 | SvRMAGICAL_on(sv); |
93a17b20 LW |
2448 | mg->mg_virtual = 0; |
2449 | break; | |
2450 | case 'l': | |
79072805 LW |
2451 | mg->mg_virtual = &vtbl_dbline; |
2452 | break; | |
f93b4edd MB |
2453 | #ifdef USE_THREADS |
2454 | case 'm': | |
2455 | mg->mg_virtual = &vtbl_mutex; | |
2456 | break; | |
2457 | #endif /* USE_THREADS */ | |
36477c24 | 2458 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 | 2459 | case 'o': |
2460 | mg->mg_virtual = &vtbl_collxfrm; | |
2461 | break; | |
36477c24 | 2462 | #endif /* USE_LOCALE_COLLATE */ |
463ee0b2 LW |
2463 | case 'P': |
2464 | mg->mg_virtual = &vtbl_pack; | |
2465 | break; | |
2466 | case 'p': | |
a0d0e21e | 2467 | case 'q': |
463ee0b2 LW |
2468 | mg->mg_virtual = &vtbl_packelem; |
2469 | break; | |
79072805 LW |
2470 | case 'S': |
2471 | mg->mg_virtual = &vtbl_sig; | |
2472 | break; | |
2473 | case 's': | |
2474 | mg->mg_virtual = &vtbl_sigelem; | |
2475 | break; | |
463ee0b2 LW |
2476 | case 't': |
2477 | mg->mg_virtual = &vtbl_taint; | |
748a9306 | 2478 | mg->mg_len = 1; |
463ee0b2 | 2479 | break; |
79072805 LW |
2480 | case 'U': |
2481 | mg->mg_virtual = &vtbl_uvar; | |
2482 | break; | |
2483 | case 'v': | |
2484 | mg->mg_virtual = &vtbl_vec; | |
2485 | break; | |
2486 | case 'x': | |
2487 | mg->mg_virtual = &vtbl_substr; | |
2488 | break; | |
5f05dabc | 2489 | case 'y': |
68dc0745 | 2490 | mg->mg_virtual = &vtbl_defelem; |
5f05dabc | 2491 | break; |
79072805 LW |
2492 | case '*': |
2493 | mg->mg_virtual = &vtbl_glob; | |
2494 | break; | |
2495 | case '#': | |
2496 | mg->mg_virtual = &vtbl_arylen; | |
2497 | break; | |
a0d0e21e LW |
2498 | case '.': |
2499 | mg->mg_virtual = &vtbl_pos; | |
2500 | break; | |
4633a7c4 LW |
2501 | case '~': /* Reserved for use by extensions not perl internals. */ |
2502 | /* Useful for attaching extension internal data to perl vars. */ | |
2503 | /* Note that multiple extensions may clash if magical scalars */ | |
2504 | /* etc holding private data from one are passed to another. */ | |
2505 | SvRMAGICAL_on(sv); | |
a0d0e21e | 2506 | break; |
79072805 | 2507 | default: |
463ee0b2 LW |
2508 | croak("Don't know how to handle magic of type '%c'", how); |
2509 | } | |
8990e307 LW |
2510 | mg_magical(sv); |
2511 | if (SvGMAGICAL(sv)) | |
2512 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 LW |
2513 | } |
2514 | ||
2515 | int | |
2516 | sv_unmagic(sv, type) | |
2517 | SV* sv; | |
a0d0e21e | 2518 | int type; |
463ee0b2 LW |
2519 | { |
2520 | MAGIC* mg; | |
2521 | MAGIC** mgp; | |
91bba347 | 2522 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
463ee0b2 LW |
2523 | return 0; |
2524 | mgp = &SvMAGIC(sv); | |
2525 | for (mg = *mgp; mg; mg = *mgp) { | |
2526 | if (mg->mg_type == type) { | |
2527 | MGVTBL* vtbl = mg->mg_virtual; | |
2528 | *mgp = mg->mg_moremagic; | |
2529 | if (vtbl && vtbl->svt_free) | |
2530 | (*vtbl->svt_free)(sv, mg); | |
2531 | if (mg->mg_ptr && mg->mg_type != 'g') | |
1edc1566 | 2532 | if (mg->mg_len >= 0) |
2533 | Safefree(mg->mg_ptr); | |
2534 | else if (mg->mg_len == HEf_SVKEY) | |
2535 | SvREFCNT_dec((SV*)mg->mg_ptr); | |
a0d0e21e LW |
2536 | if (mg->mg_flags & MGf_REFCOUNTED) |
2537 | SvREFCNT_dec(mg->mg_obj); | |
463ee0b2 LW |
2538 | Safefree(mg); |
2539 | } | |
2540 | else | |
2541 | mgp = &mg->mg_moremagic; | |
79072805 | 2542 | } |
91bba347 | 2543 | if (!SvMAGIC(sv)) { |
463ee0b2 | 2544 | SvMAGICAL_off(sv); |
8990e307 | 2545 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 LW |
2546 | } |
2547 | ||
2548 | return 0; | |
79072805 LW |
2549 | } |
2550 | ||
2551 | void | |
2552 | sv_insert(bigstr,offset,len,little,littlelen) | |
2553 | SV *bigstr; | |
2554 | STRLEN offset; | |
2555 | STRLEN len; | |
2556 | char *little; | |
2557 | STRLEN littlelen; | |
2558 | { | |
2559 | register char *big; | |
2560 | register char *mid; | |
2561 | register char *midend; | |
2562 | register char *bigend; | |
2563 | register I32 i; | |
2564 | ||
8990e307 LW |
2565 | if (!bigstr) |
2566 | croak("Can't modify non-existent substring"); | |
a0d0e21e | 2567 | SvPV_force(bigstr, na); |
79072805 LW |
2568 | |
2569 | i = littlelen - len; | |
2570 | if (i > 0) { /* string might grow */ | |
a0d0e21e | 2571 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 LW |
2572 | mid = big + offset + len; |
2573 | midend = bigend = big + SvCUR(bigstr); | |
2574 | bigend += i; | |
2575 | *bigend = '\0'; | |
2576 | while (midend > mid) /* shove everything down */ | |
2577 | *--bigend = *--midend; | |
2578 | Move(little,big+offset,littlelen,char); | |
2579 | SvCUR(bigstr) += i; | |
2580 | SvSETMAGIC(bigstr); | |
2581 | return; | |
2582 | } | |
2583 | else if (i == 0) { | |
463ee0b2 | 2584 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 LW |
2585 | SvSETMAGIC(bigstr); |
2586 | return; | |
2587 | } | |
2588 | ||
463ee0b2 | 2589 | big = SvPVX(bigstr); |
79072805 LW |
2590 | mid = big + offset; |
2591 | midend = mid + len; | |
2592 | bigend = big + SvCUR(bigstr); | |
2593 | ||
2594 | if (midend > bigend) | |
463ee0b2 | 2595 | croak("panic: sv_insert"); |
79072805 LW |
2596 | |
2597 | if (mid - big > bigend - midend) { /* faster to shorten from end */ | |
2598 | if (littlelen) { | |
2599 | Move(little, mid, littlelen,char); | |
2600 | mid += littlelen; | |
2601 | } | |
2602 | i = bigend - midend; | |
2603 | if (i > 0) { | |
2604 | Move(midend, mid, i,char); | |
2605 | mid += i; | |
2606 | } | |
2607 | *mid = '\0'; | |
2608 | SvCUR_set(bigstr, mid - big); | |
2609 | } | |
2610 | /*SUPPRESS 560*/ | |
2611 | else if (i = mid - big) { /* faster from front */ | |
2612 | midend -= littlelen; | |
2613 | mid = midend; | |
2614 | sv_chop(bigstr,midend-i); | |
2615 | big += i; | |
2616 | while (i--) | |
2617 | *--midend = *--big; | |
2618 | if (littlelen) | |
2619 | Move(little, mid, littlelen,char); | |
2620 | } | |
2621 | else if (littlelen) { | |
2622 | midend -= littlelen; | |
2623 | sv_chop(bigstr,midend); | |
2624 | Move(little,midend,littlelen,char); | |
2625 | } | |
2626 | else { | |
2627 | sv_chop(bigstr,midend); | |
2628 | } | |
2629 | SvSETMAGIC(bigstr); | |
2630 | } | |
2631 | ||
2632 | /* make sv point to what nstr did */ | |
2633 | ||
2634 | void | |
2635 | sv_replace(sv,nsv) | |
2636 | register SV *sv; | |
2637 | register SV *nsv; | |
2638 | { | |
2639 | U32 refcnt = SvREFCNT(sv); | |
0f15f207 | 2640 | sv_check_thinkfirst(sv); |
79072805 LW |
2641 | if (SvREFCNT(nsv) != 1) |
2642 | warn("Reference miscount in sv_replace()"); | |
93a17b20 | 2643 | if (SvMAGICAL(sv)) { |
a0d0e21e LW |
2644 | if (SvMAGICAL(nsv)) |
2645 | mg_free(nsv); | |
2646 | else | |
2647 | sv_upgrade(nsv, SVt_PVMG); | |
93a17b20 | 2648 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e | 2649 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 LW |
2650 | SvMAGICAL_off(sv); |
2651 | SvMAGIC(sv) = 0; | |
2652 | } | |
79072805 LW |
2653 | SvREFCNT(sv) = 0; |
2654 | sv_clear(sv); | |
477f5d66 | 2655 | assert(!SvREFCNT(sv)); |
79072805 LW |
2656 | StructCopy(nsv,sv,SV); |
2657 | SvREFCNT(sv) = refcnt; | |
1edc1566 | 2658 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
463ee0b2 | 2659 | del_SV(nsv); |
79072805 LW |
2660 | } |
2661 | ||
2662 | void | |
2663 | sv_clear(sv) | |
2664 | register SV *sv; | |
2665 | { | |
2666 | assert(sv); | |
2667 | assert(SvREFCNT(sv) == 0); | |
2668 | ||
ed6116ce | 2669 | if (SvOBJECT(sv)) { |
e858de61 | 2670 | dTHR; |
a0d0e21e | 2671 | if (defstash) { /* Still have a symbol table? */ |
5dc0d613 | 2672 | dTHR; |
8ebc5c01 | 2673 | dSP; |
2674 | GV* destructor; | |
a0d0e21e LW |
2675 | |
2676 | ENTER; | |
2677 | SAVEFREESV(SvSTASH(sv)); | |
8ebc5c01 | 2678 | |
2679 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); | |
2680 | if (destructor) { | |
a0d0e21e LW |
2681 | SV ref; |
2682 | ||
2683 | Zero(&ref, 1, SV); | |
2684 | sv_upgrade(&ref, SVt_RV); | |
a0d0e21e LW |
2685 | SvRV(&ref) = SvREFCNT_inc(sv); |
2686 | SvROK_on(&ref); | |
d368068e IZ |
2687 | SvREFCNT(&ref) = 1; /* Fake, but otherwise |
2688 | creating+destructing a ref | |
2689 | leads to disaster. */ | |
a0d0e21e LW |
2690 | |
2691 | EXTEND(SP, 2); | |
2692 | PUSHMARK(SP); | |
2693 | PUSHs(&ref); | |
2694 | PUTBACK; | |
8ebc5c01 | 2695 | perl_call_sv((SV*)GvCV(destructor), |
2696 | G_DISCARD|G_EVAL|G_KEEPERR); | |
748a9306 | 2697 | del_XRV(SvANY(&ref)); |
1edc1566 | 2698 | SvREFCNT(sv)--; |
a0d0e21e | 2699 | } |
8ebc5c01 | 2700 | |
a0d0e21e LW |
2701 | LEAVE; |
2702 | } | |
4633a7c4 LW |
2703 | else |
2704 | SvREFCNT_dec(SvSTASH(sv)); | |
a0d0e21e LW |
2705 | if (SvOBJECT(sv)) { |
2706 | SvOBJECT_off(sv); /* Curse the object. */ | |
2707 | if (SvTYPE(sv) != SVt_PVIO) | |
2708 | --sv_objcount; /* XXX Might want something more general */ | |
2709 | } | |
1edc1566 | 2710 | if (SvREFCNT(sv)) { |
477f5d66 | 2711 | SV *ret; |
1edc1566 | 2712 | if ( perldb |
2713 | && (ret = perl_get_sv("DB::ret", FALSE)) | |
2714 | && SvROK(ret) && SvRV(ret) == sv && SvREFCNT(sv) == 1) { | |
2715 | /* Debugger is prone to dangling references. */ | |
2716 | SvRV(ret) = 0; | |
2717 | SvROK_off(ret); | |
2718 | SvREFCNT(sv) = 0; | |
477f5d66 CS |
2719 | } |
2720 | else { | |
2721 | if (in_clean_objs) | |
2722 | croak("DESTROY created new reference to dead object"); | |
2723 | /* DESTROY gave object new lease on life */ | |
2724 | return; | |
1edc1566 | 2725 | } |
2726 | } | |
463ee0b2 | 2727 | } |
c07a80fd | 2728 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
a0d0e21e | 2729 | mg_free(sv); |
79072805 | 2730 | switch (SvTYPE(sv)) { |
8990e307 | 2731 | case SVt_PVIO: |
5f05dabc | 2732 | if (IoIFP(sv) != PerlIO_stdin() && |
2733 | IoIFP(sv) != PerlIO_stdout() && | |
2734 | IoIFP(sv) != PerlIO_stderr()) | |
2735 | io_close((IO*)sv); | |
8990e307 LW |
2736 | Safefree(IoTOP_NAME(sv)); |
2737 | Safefree(IoFMT_NAME(sv)); | |
2738 | Safefree(IoBOTTOM_NAME(sv)); | |
a0d0e21e | 2739 | /* FALL THROUGH */ |
79072805 | 2740 | case SVt_PVBM: |
a0d0e21e | 2741 | goto freescalar; |
79072805 | 2742 | case SVt_PVCV: |
748a9306 | 2743 | case SVt_PVFM: |
85e6fe83 | 2744 | cv_undef((CV*)sv); |
a0d0e21e | 2745 | goto freescalar; |
79072805 | 2746 | case SVt_PVHV: |
85e6fe83 | 2747 | hv_undef((HV*)sv); |
a0d0e21e | 2748 | break; |
79072805 | 2749 | case SVt_PVAV: |
85e6fe83 | 2750 | av_undef((AV*)sv); |
a0d0e21e LW |
2751 | break; |
2752 | case SVt_PVGV: | |
1edc1566 | 2753 | gp_free((GV*)sv); |
a0d0e21e LW |
2754 | Safefree(GvNAME(sv)); |
2755 | /* FALL THROUGH */ | |
79072805 | 2756 | case SVt_PVLV: |
79072805 | 2757 | case SVt_PVMG: |
79072805 LW |
2758 | case SVt_PVNV: |
2759 | case SVt_PVIV: | |
a0d0e21e LW |
2760 | freescalar: |
2761 | (void)SvOOK_off(sv); | |
79072805 LW |
2762 | /* FALL THROUGH */ |
2763 | case SVt_PV: | |
a0d0e21e | 2764 | case SVt_RV: |
8990e307 LW |
2765 | if (SvROK(sv)) |
2766 | SvREFCNT_dec(SvRV(sv)); | |
1edc1566 | 2767 | else if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 | 2768 | Safefree(SvPVX(sv)); |
79072805 | 2769 | break; |
a0d0e21e | 2770 | /* |
79072805 | 2771 | case SVt_NV: |
79072805 | 2772 | case SVt_IV: |
79072805 LW |
2773 | case SVt_NULL: |
2774 | break; | |
a0d0e21e | 2775 | */ |
79072805 LW |
2776 | } |
2777 | ||
2778 | switch (SvTYPE(sv)) { | |
2779 | case SVt_NULL: | |
2780 | break; | |
79072805 LW |
2781 | case SVt_IV: |
2782 | del_XIV(SvANY(sv)); | |
2783 | break; | |
2784 | case SVt_NV: | |
2785 | del_XNV(SvANY(sv)); | |
2786 | break; | |
ed6116ce LW |
2787 | case SVt_RV: |
2788 | del_XRV(SvANY(sv)); | |
2789 | break; | |
79072805 LW |
2790 | case SVt_PV: |
2791 | del_XPV(SvANY(sv)); | |
2792 | break; | |
2793 | case SVt_PVIV: | |
2794 | del_XPVIV(SvANY(sv)); | |
2795 | break; | |
2796 | case SVt_PVNV: | |
2797 | del_XPVNV(SvANY(sv)); | |
2798 | break; | |
2799 | case SVt_PVMG: | |
2800 | del_XPVMG(SvANY(sv)); | |
2801 | break; | |
2802 | case SVt_PVLV: | |
2803 | del_XPVLV(SvANY(sv)); | |
2804 | break; | |
2805 | case SVt_PVAV: | |
2806 | del_XPVAV(SvANY(sv)); | |
2807 | break; | |
2808 | case SVt_PVHV: | |
2809 | del_XPVHV(SvANY(sv)); | |
2810 | break; | |
2811 | case SVt_PVCV: | |
2812 | del_XPVCV(SvANY(sv)); | |
2813 | break; | |
2814 | case SVt_PVGV: | |
2815 | del_XPVGV(SvANY(sv)); | |
2816 | break; | |
2817 | case SVt_PVBM: | |
2818 | del_XPVBM(SvANY(sv)); | |
2819 | break; | |
2820 | case SVt_PVFM: | |
2821 | del_XPVFM(SvANY(sv)); | |
2822 | break; | |
8990e307 LW |
2823 | case SVt_PVIO: |
2824 | del_XPVIO(SvANY(sv)); | |
2825 | break; | |
79072805 | 2826 | } |
a0d0e21e | 2827 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 | 2828 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 LW |
2829 | } |
2830 | ||
2831 | SV * | |
8990e307 | 2832 | sv_newref(sv) |
79072805 LW |
2833 | SV* sv; |
2834 | { | |
463ee0b2 LW |
2835 | if (sv) |
2836 | SvREFCNT(sv)++; | |
79072805 LW |
2837 | return sv; |
2838 | } | |
2839 | ||
2840 | void | |
2841 | sv_free(sv) | |
2842 | SV *sv; | |
2843 | { | |
2844 | if (!sv) | |
2845 | return; | |
a0d0e21e LW |
2846 | if (SvREADONLY(sv)) { |
2847 | if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no) | |
2848 | return; | |
79072805 | 2849 | } |
a0d0e21e LW |
2850 | if (SvREFCNT(sv) == 0) { |
2851 | if (SvFLAGS(sv) & SVf_BREAK) | |
2852 | return; | |
1edc1566 | 2853 | if (in_clean_all) /* All is fair */ |
2854 | return; | |
79072805 LW |
2855 | warn("Attempt to free unreferenced scalar"); |
2856 | return; | |
2857 | } | |
8990e307 LW |
2858 | if (--SvREFCNT(sv) > 0) |
2859 | return; | |
463ee0b2 LW |
2860 | #ifdef DEBUGGING |
2861 | if (SvTEMP(sv)) { | |
0f15f207 | 2862 | warn("Attempt to free temp prematurely: %s", SvPEEK(sv)); |
79072805 | 2863 | return; |
79072805 | 2864 | } |
463ee0b2 | 2865 | #endif |
79072805 | 2866 | sv_clear(sv); |
477f5d66 CS |
2867 | if (! SvREFCNT(sv)) |
2868 | del_SV(sv); | |
79072805 LW |
2869 | } |
2870 | ||
2871 | STRLEN | |
2872 | sv_len(sv) | |
2873 | register SV *sv; | |
2874 | { | |
748a9306 | 2875 | char *junk; |
463ee0b2 | 2876 | STRLEN len; |
79072805 LW |
2877 | |
2878 | if (!sv) | |
2879 | return 0; | |
2880 | ||
8990e307 LW |
2881 | if (SvGMAGICAL(sv)) |
2882 | len = mg_len(sv); | |
2883 | else | |
748a9306 | 2884 | junk = SvPV(sv, len); |
463ee0b2 | 2885 | return len; |
79072805 LW |
2886 | } |
2887 | ||
2888 | I32 | |
2889 | sv_eq(str1,str2) | |
2890 | register SV *str1; | |
2891 | register SV *str2; | |
2892 | { | |
2893 | char *pv1; | |
463ee0b2 | 2894 | STRLEN cur1; |
79072805 | 2895 | char *pv2; |
463ee0b2 | 2896 | STRLEN cur2; |
79072805 LW |
2897 | |
2898 | if (!str1) { | |
2899 | pv1 = ""; | |
2900 | cur1 = 0; | |
2901 | } | |
463ee0b2 LW |
2902 | else |
2903 | pv1 = SvPV(str1, cur1); | |
79072805 LW |
2904 | |
2905 | if (!str2) | |
2906 | return !cur1; | |
463ee0b2 LW |
2907 | else |
2908 | pv2 = SvPV(str2, cur2); | |
79072805 LW |
2909 | |
2910 | if (cur1 != cur2) | |
2911 | return 0; | |
2912 | ||
36477c24 | 2913 | return memEQ(pv1, pv2, cur1); |
79072805 LW |
2914 | } |
2915 | ||
2916 | I32 | |
bbce6d69 | 2917 | sv_cmp(str1, str2) |
79072805 LW |
2918 | register SV *str1; |
2919 | register SV *str2; | |
2920 | { | |
bbce6d69 | 2921 | STRLEN cur1 = 0; |
2922 | char *pv1 = str1 ? SvPV(str1, cur1) : NULL; | |
2923 | STRLEN cur2 = 0; | |
2924 | char *pv2 = str2 ? SvPV(str2, cur2) : NULL; | |
79072805 | 2925 | I32 retval; |
79072805 | 2926 | |
bbce6d69 | 2927 | if (!cur1) |
2928 | return cur2 ? -1 : 0; | |
16660edb | 2929 | |
bbce6d69 | 2930 | if (!cur2) |
2931 | return 1; | |
79072805 | 2932 | |
bbce6d69 | 2933 | retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); |
16660edb | 2934 | |
bbce6d69 | 2935 | if (retval) |
2936 | return retval < 0 ? -1 : 1; | |
16660edb | 2937 | |
bbce6d69 | 2938 | if (cur1 == cur2) |
2939 | return 0; | |
2940 | else | |
2941 | return cur1 < cur2 ? -1 : 1; | |
2942 | } | |
16660edb | 2943 | |
bbce6d69 | 2944 | I32 |
2945 | sv_cmp_locale(sv1, sv2) | |
2946 | register SV *sv1; | |
2947 | register SV *sv2; | |
2948 | { | |
36477c24 | 2949 | #ifdef USE_LOCALE_COLLATE |
16660edb | 2950 | |
bbce6d69 | 2951 | char *pv1, *pv2; |
2952 | STRLEN len1, len2; | |
2953 | I32 retval; | |
16660edb | 2954 | |
bbce6d69 | 2955 | if (collation_standard) |
2956 | goto raw_compare; | |
16660edb | 2957 | |
bbce6d69 | 2958 | len1 = 0; |
2959 | pv1 = sv1 ? sv_collxfrm(sv1, &len1) : NULL; | |
2960 | len2 = 0; | |
2961 | pv2 = sv2 ? sv_collxfrm(sv2, &len2) : NULL; | |
16660edb | 2962 | |
bbce6d69 | 2963 | if (!pv1 || !len1) { |
2964 | if (pv2 && len2) | |
2965 | return -1; | |
2966 | else | |
2967 | goto raw_compare; | |
2968 | } | |
2969 | else { | |
2970 | if (!pv2 || !len2) | |
2971 | return 1; | |
2972 | } | |
16660edb | 2973 | |
bbce6d69 | 2974 | retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); |
16660edb | 2975 | |
bbce6d69 | 2976 | if (retval) |
16660edb | 2977 | return retval < 0 ? -1 : 1; |
2978 | ||
bbce6d69 | 2979 | /* |
2980 | * When the result of collation is equality, that doesn't mean | |
2981 | * that there are no differences -- some locales exclude some | |
2982 | * characters from consideration. So to avoid false equalities, | |
2983 | * we use the raw string as a tiebreaker. | |
2984 | */ | |
16660edb | 2985 | |
bbce6d69 | 2986 | raw_compare: |
2987 | /* FALL THROUGH */ | |
16660edb | 2988 | |
36477c24 | 2989 | #endif /* USE_LOCALE_COLLATE */ |
16660edb | 2990 | |
bbce6d69 | 2991 | return sv_cmp(sv1, sv2); |
2992 | } | |
79072805 | 2993 | |
36477c24 | 2994 | #ifdef USE_LOCALE_COLLATE |
7a4c00b4 | 2995 | /* |
2996 | * Any scalar variable may carry an 'o' magic that contains the | |
2997 | * scalar data of the variable transformed to such a format that | |
2998 | * a normal memory comparison can be used to compare the data | |
2999 | * according to the locale settings. | |
3000 | */ | |
bbce6d69 | 3001 | char * |
3002 | sv_collxfrm(sv, nxp) | |
3003 | SV *sv; | |
3004 | STRLEN *nxp; | |
3005 | { | |
7a4c00b4 | 3006 | MAGIC *mg; |
16660edb | 3007 | |
7a4c00b4 | 3008 | mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : NULL; |
3009 | if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != collation_ix) { | |
bbce6d69 | 3010 | char *s, *xf; |
3011 | STRLEN len, xlen; | |
3012 | ||
7a4c00b4 | 3013 | if (mg) |
3014 | Safefree(mg->mg_ptr); | |
bbce6d69 | 3015 | s = SvPV(sv, len); |
3016 | if ((xf = mem_collxfrm(s, len, &xlen))) { | |
ff0cee69 | 3017 | if (SvREADONLY(sv)) { |
3018 | SAVEFREEPV(xf); | |
3019 | *nxp = xlen; | |
3020 | return xf; | |
3021 | } | |
7a4c00b4 | 3022 | if (! mg) { |
3023 | sv_magic(sv, 0, 'o', 0, 0); | |
3024 | mg = mg_find(sv, 'o'); | |
3025 | assert(mg); | |
bbce6d69 | 3026 | } |
7a4c00b4 | 3027 | mg->mg_ptr = xf; |
3028 | mg->mg_len = xlen; | |
3029 | } | |
3030 | else { | |
ff0cee69 | 3031 | if (mg) { |
3032 | mg->mg_ptr = NULL; | |
3033 | mg->mg_len = -1; | |
3034 | } | |
bbce6d69 | 3035 | } |
3036 | } | |
7a4c00b4 | 3037 | if (mg && mg->mg_ptr) { |
bbce6d69 | 3038 | *nxp = mg->mg_len; |
3039 | return mg->mg_ptr + sizeof(collation_ix); | |
3040 | } | |
3041 | else { | |
3042 | *nxp = 0; | |
3043 | return NULL; | |
16660edb | 3044 | } |
79072805 LW |
3045 | } |
3046 | ||
36477c24 | 3047 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 3048 | |
79072805 LW |
3049 | char * |
3050 | sv_gets(sv,fp,append) | |
3051 | register SV *sv; | |
760ac839 | 3052 | register PerlIO *fp; |
79072805 LW |
3053 | I32 append; |
3054 | { | |
c07a80fd | 3055 | char *rsptr; |
3056 | STRLEN rslen; | |
3057 | register STDCHAR rslast; | |
3058 | register STDCHAR *bp; | |
3059 | register I32 cnt; | |
3060 | I32 i; | |
3061 | ||
0f15f207 | 3062 | sv_check_thinkfirst(sv); |
79072805 | 3063 | if (!SvUPGRADE(sv, SVt_PV)) |
a0d0e21e | 3064 | return 0; |
ff68c719 | 3065 | SvSCREAM_off(sv); |
c07a80fd | 3066 | |
3067 | if (RsSNARF(rs)) { | |
3068 | rsptr = NULL; | |
3069 | rslen = 0; | |
3070 | } | |
3071 | else if (RsPARA(rs)) { | |
3072 | rsptr = "\n\n"; | |
3073 | rslen = 2; | |
3074 | } | |
3075 | else | |
3076 | rsptr = SvPV(rs, rslen); | |
3077 | rslast = rslen ? rsptr[rslen - 1] : '\0'; | |
3078 | ||
3079 | if (RsPARA(rs)) { /* have to do this both before and after */ | |
79072805 | 3080 | do { /* to make sure file boundaries work right */ |
760ac839 | 3081 | if (PerlIO_eof(fp)) |
a0d0e21e | 3082 | return 0; |
760ac839 | 3083 | i = PerlIO_getc(fp); |
79072805 | 3084 | if (i != '\n') { |
a0d0e21e LW |
3085 | if (i == -1) |
3086 | return 0; | |
760ac839 | 3087 | PerlIO_ungetc(fp,i); |
79072805 LW |
3088 | break; |
3089 | } | |
3090 | } while (i != EOF); | |
3091 | } | |
c07a80fd | 3092 | |
760ac839 LW |
3093 | /* See if we know enough about I/O mechanism to cheat it ! */ |
3094 | ||
3095 | /* This used to be #ifdef test - it is made run-time test for ease | |
3096 | of abstracting out stdio interface. One call should be cheap | |
3097 | enough here - and may even be a macro allowing compile | |
3098 | time optimization. | |
3099 | */ | |
3100 | ||
3101 | if (PerlIO_fast_gets(fp)) { | |
3102 | ||
3103 | /* | |
3104 | * We're going to steal some values from the stdio struct | |
3105 | * and put EVERYTHING in the innermost loop into registers. | |
3106 | */ | |
3107 | register STDCHAR *ptr; | |
3108 | STRLEN bpx; | |
3109 | I32 shortbuffered; | |
3110 | ||
16660edb | 3111 | #if defined(VMS) && defined(PERLIO_IS_STDIO) |
3112 | /* An ungetc()d char is handled separately from the regular | |
3113 | * buffer, so we getc() it back out and stuff it in the buffer. | |
3114 | */ | |
3115 | i = PerlIO_getc(fp); | |
3116 | if (i == EOF) return 0; | |
3117 | *(--((*fp)->_ptr)) = (unsigned char) i; | |
3118 | (*fp)->_cnt++; | |
3119 | #endif | |
c07a80fd | 3120 | |
c2960299 | 3121 | /* Here is some breathtakingly efficient cheating */ |
c07a80fd | 3122 | |
760ac839 | 3123 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
a0d0e21e | 3124 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 LW |
3125 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
3126 | if (cnt > 80 && SvLEN(sv) > append) { | |
3127 | shortbuffered = cnt - SvLEN(sv) + append + 1; | |
3128 | cnt -= shortbuffered; | |
3129 | } | |
3130 | else { | |
3131 | shortbuffered = 0; | |
bbce6d69 | 3132 | /* remember that cnt can be negative */ |
3133 | SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); | |
79072805 LW |
3134 | } |
3135 | } | |
3136 | else | |
3137 | shortbuffered = 0; | |
c07a80fd | 3138 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
760ac839 | 3139 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
16660edb | 3140 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3141 | "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
16660edb | 3142 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3143 | "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3144 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3145 | (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 LW |
3146 | for (;;) { |
3147 | screamer: | |
93a17b20 | 3148 | if (cnt > 0) { |
c07a80fd | 3149 | if (rslen) { |
760ac839 LW |
3150 | while (cnt > 0) { /* this | eat */ |
3151 | cnt--; | |
c07a80fd | 3152 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
3153 | goto thats_all_folks; /* screams | sed :-) */ | |
3154 | } | |
3155 | } | |
3156 | else { | |
36477c24 | 3157 | Copy(ptr, bp, cnt, char); /* this | eat */ |
c07a80fd | 3158 | bp += cnt; /* screams | dust */ |
3159 | ptr += cnt; /* louder | sed :-) */ | |
a5f75d66 | 3160 | cnt = 0; |
93a17b20 | 3161 | } |
79072805 LW |
3162 | } |
3163 | ||
748a9306 | 3164 | if (shortbuffered) { /* oh well, must extend */ |
79072805 LW |
3165 | cnt = shortbuffered; |
3166 | shortbuffered = 0; | |
c07a80fd | 3167 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3168 | SvCUR_set(sv, bpx); |
3169 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); | |
c07a80fd | 3170 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
79072805 LW |
3171 | continue; |
3172 | } | |
3173 | ||
16660edb | 3174 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3175 | "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3176 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
16660edb | 3177 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3178 | "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3179 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3180 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
16660edb | 3181 | /* This used to call 'filbuf' in stdio form, but as that behaves like |
774d564b | 3182 | getc when cnt <= 0 we use PerlIO_getc here to avoid introducing |
3183 | another abstraction. */ | |
760ac839 | 3184 | i = PerlIO_getc(fp); /* get more characters */ |
16660edb | 3185 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3186 | "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3187 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3188 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
760ac839 LW |
3189 | cnt = PerlIO_get_cnt(fp); |
3190 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ | |
16660edb | 3191 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3192 | "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
79072805 | 3193 | |
748a9306 LW |
3194 | if (i == EOF) /* all done for ever? */ |
3195 | goto thats_really_all_folks; | |
3196 | ||
c07a80fd | 3197 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3198 | SvCUR_set(sv, bpx); |
3199 | SvGROW(sv, bpx + cnt + 2); | |
c07a80fd | 3200 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
3201 | ||
760ac839 | 3202 | *bp++ = i; /* store character from PerlIO_getc */ |
79072805 | 3203 | |
c07a80fd | 3204 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
79072805 | 3205 | goto thats_all_folks; |
79072805 LW |
3206 | } |
3207 | ||
3208 | thats_all_folks: | |
c07a80fd | 3209 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
36477c24 | 3210 | memNE((char*)bp - rslen, rsptr, rslen)) |
760ac839 | 3211 | goto screamer; /* go back to the fray */ |
79072805 LW |
3212 | thats_really_all_folks: |
3213 | if (shortbuffered) | |
3214 | cnt += shortbuffered; | |
16660edb | 3215 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3216 | "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3217 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
16660edb | 3218 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3219 | "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3220 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3221 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 | 3222 | *bp = '\0'; |
760ac839 | 3223 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
16660edb | 3224 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
3225 | "Screamer: done, len=%d, string=|%.*s|\n", | |
9607fc9c | 3226 | SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); |
760ac839 LW |
3227 | } |
3228 | else | |
79072805 | 3229 | { |
760ac839 | 3230 | /*The big, slow, and stupid way */ |
c07a80fd | 3231 | STDCHAR buf[8192]; |
79072805 | 3232 | |
760ac839 | 3233 | screamer2: |
c07a80fd | 3234 | if (rslen) { |
760ac839 LW |
3235 | register STDCHAR *bpe = buf + sizeof(buf); |
3236 | bp = buf; | |
3237 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) | |
3238 | ; /* keep reading */ | |
3239 | cnt = bp - buf; | |
c07a80fd | 3240 | } |
3241 | else { | |
760ac839 | 3242 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
16660edb | 3243 | /* Accomodate broken VAXC compiler, which applies U8 cast to |
3244 | * both args of ?: operator, causing EOF to change into 255 | |
3245 | */ | |
3246 | if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } | |
c07a80fd | 3247 | } |
79072805 LW |
3248 | |
3249 | if (append) | |
760ac839 | 3250 | sv_catpvn(sv, (char *) buf, cnt); |
79072805 | 3251 | else |
760ac839 | 3252 | sv_setpvn(sv, (char *) buf, cnt); |
c07a80fd | 3253 | |
3254 | if (i != EOF && /* joy */ | |
3255 | (!rslen || | |
3256 | SvCUR(sv) < rslen || | |
36477c24 | 3257 | memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
79072805 LW |
3258 | { |
3259 | append = -1; | |
63e4d877 CS |
3260 | /* |
3261 | * If we're reading from a TTY and we get a short read, | |
3262 | * indicating that the user hit his EOF character, we need | |
3263 | * to notice it now, because if we try to read from the TTY | |
3264 | * again, the EOF condition will disappear. | |
3265 | * | |
3266 | * The comparison of cnt to sizeof(buf) is an optimization | |
3267 | * that prevents unnecessary calls to feof(). | |
3268 | * | |
3269 | * - jik 9/25/96 | |
3270 | */ | |
3271 | if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) | |
3272 | goto screamer2; | |
79072805 LW |
3273 | } |
3274 | } | |
3275 | ||
c07a80fd | 3276 | if (RsPARA(rs)) { /* have to do this both before and after */ |
3277 | while (i != EOF) { /* to make sure file boundaries work right */ | |
760ac839 | 3278 | i = PerlIO_getc(fp); |
79072805 | 3279 | if (i != '\n') { |
760ac839 | 3280 | PerlIO_ungetc(fp,i); |
79072805 LW |
3281 | break; |
3282 | } | |
3283 | } | |
3284 | } | |
c07a80fd | 3285 | |
3286 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; | |
79072805 LW |
3287 | } |
3288 | ||
760ac839 | 3289 | |
79072805 LW |
3290 | void |
3291 | sv_inc(sv) | |
3292 | register SV *sv; | |
3293 | { | |
3294 | register char *d; | |
463ee0b2 | 3295 | int flags; |
79072805 LW |
3296 | |
3297 | if (!sv) | |
3298 | return; | |
ed6116ce | 3299 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3300 | if (SvREADONLY(sv)) { |
3301 | dTHR; | |
3302 | if (curcop != &compiling) | |
3303 | croak(no_modify); | |
3304 | } | |
a0d0e21e LW |
3305 | if (SvROK(sv)) { |
3306 | #ifdef OVERLOAD | |
3307 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return; | |
3308 | #endif /* OVERLOAD */ | |
3309 | sv_unref(sv); | |
3310 | } | |
ed6116ce | 3311 | } |
8990e307 | 3312 | if (SvGMAGICAL(sv)) |
79072805 | 3313 | mg_get(sv); |
8990e307 | 3314 | flags = SvFLAGS(sv); |
8990e307 | 3315 | if (flags & SVp_NOK) { |
a0d0e21e | 3316 | (void)SvNOK_only(sv); |
55497cff | 3317 | SvNVX(sv) += 1.0; |
3318 | return; | |
3319 | } | |
3320 | if (flags & SVp_IOK) { | |
3321 | if (SvIVX(sv) == IV_MAX) | |
3322 | sv_setnv(sv, (double)IV_MAX + 1.0); | |
3323 | else { | |
3324 | (void)SvIOK_only(sv); | |
3325 | ++SvIVX(sv); | |
3326 | } | |
79072805 LW |
3327 | return; |
3328 | } | |
8990e307 | 3329 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
4633a7c4 LW |
3330 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3331 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3332 | SvNVX(sv) = 1.0; |
a0d0e21e | 3333 | (void)SvNOK_only(sv); |
79072805 LW |
3334 | return; |
3335 | } | |
463ee0b2 | 3336 | d = SvPVX(sv); |
79072805 LW |
3337 | while (isALPHA(*d)) d++; |
3338 | while (isDIGIT(*d)) d++; | |
3339 | if (*d) { | |
36477c24 | 3340 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3341 | sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 LW |
3342 | return; |
3343 | } | |
3344 | d--; | |
463ee0b2 | 3345 | while (d >= SvPVX(sv)) { |
79072805 LW |
3346 | if (isDIGIT(*d)) { |
3347 | if (++*d <= '9') | |
3348 | return; | |
3349 | *(d--) = '0'; | |
3350 | } | |
3351 | else { | |
3352 | ++*d; | |
3353 | if (isALPHA(*d)) | |
3354 | return; | |
3355 | *(d--) -= 'z' - 'a' + 1; | |
3356 | } | |
3357 | } | |
3358 | /* oh,oh, the number grew */ | |
3359 | SvGROW(sv, SvCUR(sv) + 2); | |
3360 | SvCUR(sv)++; | |
463ee0b2 | 3361 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 LW |
3362 | *d = d[-1]; |
3363 | if (isDIGIT(d[1])) | |
3364 | *d = '1'; | |
3365 | else | |
3366 | *d = d[1]; | |
3367 | } | |
3368 | ||
3369 | void | |
3370 | sv_dec(sv) | |
3371 | register SV *sv; | |
3372 | { | |
463ee0b2 LW |
3373 | int flags; |
3374 | ||
79072805 LW |
3375 | if (!sv) |
3376 | return; | |
ed6116ce | 3377 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3378 | if (SvREADONLY(sv)) { |
3379 | dTHR; | |
3380 | if (curcop != &compiling) | |
3381 | croak(no_modify); | |
3382 | } | |
a0d0e21e LW |
3383 | if (SvROK(sv)) { |
3384 | #ifdef OVERLOAD | |
3385 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return; | |
3386 | #endif /* OVERLOAD */ | |
3387 | sv_unref(sv); | |
3388 | } | |
ed6116ce | 3389 | } |
8990e307 | 3390 | if (SvGMAGICAL(sv)) |
79072805 | 3391 | mg_get(sv); |
8990e307 | 3392 | flags = SvFLAGS(sv); |
8990e307 | 3393 | if (flags & SVp_NOK) { |
463ee0b2 | 3394 | SvNVX(sv) -= 1.0; |
a0d0e21e | 3395 | (void)SvNOK_only(sv); |
79072805 LW |
3396 | return; |
3397 | } | |
55497cff | 3398 | if (flags & SVp_IOK) { |
3399 | if (SvIVX(sv) == IV_MIN) | |
3400 | sv_setnv(sv, (double)IV_MIN - 1.0); | |
3401 | else { | |
3402 | (void)SvIOK_only(sv); | |
3403 | --SvIVX(sv); | |
3404 | } | |
3405 | return; | |
3406 | } | |
8990e307 | 3407 | if (!(flags & SVp_POK)) { |
4633a7c4 LW |
3408 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3409 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3410 | SvNVX(sv) = -1.0; |
a0d0e21e | 3411 | (void)SvNOK_only(sv); |
79072805 LW |
3412 | return; |
3413 | } | |
36477c24 | 3414 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3415 | sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */ |
79072805 LW |
3416 | } |
3417 | ||
3418 | /* Make a string that will exist for the duration of the expression | |
3419 | * evaluation. Actually, it may have to last longer than that, but | |
3420 | * hopefully we won't free it until it has been assigned to a | |
3421 | * permanent location. */ | |
3422 | ||
8990e307 LW |
3423 | static void |
3424 | sv_mortalgrow() | |
3425 | { | |
11343788 | 3426 | dTHR; |
55497cff | 3427 | tmps_max += (tmps_max < 512) ? 128 : 512; |
8990e307 LW |
3428 | Renew(tmps_stack, tmps_max, SV*); |
3429 | } | |
3430 | ||
79072805 LW |
3431 | SV * |
3432 | sv_mortalcopy(oldstr) | |
3433 | SV *oldstr; | |
3434 | { | |
11343788 | 3435 | dTHR; |
463ee0b2 | 3436 | register SV *sv; |
79072805 | 3437 | |
4561caa4 | 3438 | new_SV(sv); |
8990e307 LW |
3439 | SvANY(sv) = 0; |
3440 | SvREFCNT(sv) = 1; | |
3441 | SvFLAGS(sv) = 0; | |
79072805 | 3442 | sv_setsv(sv,oldstr); |
8990e307 LW |
3443 | if (++tmps_ix >= tmps_max) |
3444 | sv_mortalgrow(); | |
3445 | tmps_stack[tmps_ix] = sv; | |
3446 | SvTEMP_on(sv); | |
3447 | return sv; | |
3448 | } | |
3449 | ||
3450 | SV * | |
3451 | sv_newmortal() | |
3452 | { | |
11343788 | 3453 | dTHR; |
8990e307 LW |
3454 | register SV *sv; |
3455 | ||
4561caa4 | 3456 | new_SV(sv); |
8990e307 LW |
3457 | SvANY(sv) = 0; |
3458 | SvREFCNT(sv) = 1; | |
3459 | SvFLAGS(sv) = SVs_TEMP; | |
3460 | if (++tmps_ix >= tmps_max) | |
3461 | sv_mortalgrow(); | |
79072805 | 3462 | tmps_stack[tmps_ix] = sv; |
79072805 LW |
3463 | return sv; |
3464 | } | |
3465 | ||
3466 | /* same thing without the copying */ | |
3467 | ||
3468 | SV * | |
3469 | sv_2mortal(sv) | |
3470 | register SV *sv; | |
3471 | { | |
11343788 | 3472 | dTHR; |
79072805 LW |
3473 | if (!sv) |
3474 | return sv; | |
a0d0e21e LW |
3475 | if (SvREADONLY(sv) && curcop != &compiling) |
3476 | croak(no_modify); | |
8990e307 LW |
3477 | if (++tmps_ix >= tmps_max) |
3478 | sv_mortalgrow(); | |
79072805 | 3479 | tmps_stack[tmps_ix] = sv; |
8990e307 | 3480 | SvTEMP_on(sv); |
79072805 LW |
3481 | return sv; |
3482 | } | |
3483 | ||
3484 | SV * | |
3485 | newSVpv(s,len) | |
3486 | char *s; | |
3487 | STRLEN len; | |
3488 | { | |
463ee0b2 | 3489 | register SV *sv; |
79072805 | 3490 | |
4561caa4 | 3491 | new_SV(sv); |
8990e307 LW |
3492 | SvANY(sv) = 0; |
3493 | SvREFCNT(sv) = 1; | |
3494 | SvFLAGS(sv) = 0; | |
79072805 LW |
3495 | if (!len) |
3496 | len = strlen(s); | |
3497 | sv_setpvn(sv,s,len); | |
3498 | return sv; | |
3499 | } | |
3500 | ||
46fc3d4c | 3501 | #ifdef I_STDARG |
3502 | SV * | |
3503 | newSVpvf(const char* pat, ...) | |
3504 | #else | |
3505 | /*VARARGS0*/ | |
3506 | SV * | |
fc36a67e | 3507 | newSVpvf(pat, va_alist) |
46fc3d4c | 3508 | const char *pat; |
3509 | va_dcl | |
3510 | #endif | |
3511 | { | |
3512 | register SV *sv; | |
3513 | va_list args; | |
3514 | ||
3515 | new_SV(sv); | |
3516 | SvANY(sv) = 0; | |
3517 | SvREFCNT(sv) = 1; | |
3518 | SvFLAGS(sv) = 0; | |
3519 | #ifdef I_STDARG | |
3520 | va_start(args, pat); | |
3521 | #else | |
3522 | va_start(args); | |
3523 | #endif | |
fc36a67e | 3524 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 3525 | va_end(args); |
3526 | return sv; | |
3527 | } | |
3528 | ||
3529 | ||
79072805 LW |
3530 | SV * |
3531 | newSVnv(n) | |
3532 | double n; | |
3533 | { | |
463ee0b2 | 3534 | register SV *sv; |
79072805 | 3535 | |
4561caa4 | 3536 | new_SV(sv); |
8990e307 LW |
3537 | SvANY(sv) = 0; |
3538 | SvREFCNT(sv) = 1; | |
3539 | SvFLAGS(sv) = 0; | |
79072805 LW |
3540 | sv_setnv(sv,n); |
3541 | return sv; | |
3542 | } | |
3543 | ||
3544 | SV * | |
3545 | newSViv(i) | |
a0d0e21e | 3546 | IV i; |
79072805 | 3547 | { |
463ee0b2 | 3548 | register SV *sv; |
79072805 | 3549 | |
4561caa4 | 3550 | new_SV(sv); |
8990e307 LW |
3551 | SvANY(sv) = 0; |
3552 | SvREFCNT(sv) = 1; | |
3553 | SvFLAGS(sv) = 0; | |
79072805 LW |
3554 | sv_setiv(sv,i); |
3555 | return sv; | |
3556 | } | |
3557 | ||
2304df62 AD |
3558 | SV * |
3559 | newRV(ref) | |
3560 | SV *ref; | |
3561 | { | |
11343788 | 3562 | dTHR; |
2304df62 AD |
3563 | register SV *sv; |
3564 | ||
4561caa4 | 3565 | new_SV(sv); |
2304df62 AD |
3566 | SvANY(sv) = 0; |
3567 | SvREFCNT(sv) = 1; | |
3568 | SvFLAGS(sv) = 0; | |
3569 | sv_upgrade(sv, SVt_RV); | |
a0d0e21e | 3570 | SvTEMP_off(ref); |
2304df62 AD |
3571 | SvRV(sv) = SvREFCNT_inc(ref); |
3572 | SvROK_on(sv); | |
2304df62 AD |
3573 | return sv; |
3574 | } | |
3575 | ||
5f05dabc | 3576 | #ifdef CRIPPLED_CC |
3577 | SV * | |
3578 | newRV_noinc(ref) | |
3579 | SV *ref; | |
3580 | { | |
3581 | register SV *sv; | |
3582 | ||
3583 | sv = newRV(ref); | |
3584 | SvREFCNT_dec(ref); | |
3585 | return sv; | |
3586 | } | |
3587 | #endif /* CRIPPLED_CC */ | |
3588 | ||
79072805 LW |
3589 | /* make an exact duplicate of old */ |
3590 | ||
3591 | SV * | |
3592 | newSVsv(old) | |
3593 | register SV *old; | |
3594 | { | |
463ee0b2 | 3595 | register SV *sv; |
79072805 LW |
3596 | |
3597 | if (!old) | |
3598 | return Nullsv; | |
8990e307 | 3599 | if (SvTYPE(old) == SVTYPEMASK) { |
79072805 LW |
3600 | warn("semi-panic: attempt to dup freed string"); |
3601 | return Nullsv; | |
3602 | } | |
4561caa4 | 3603 | new_SV(sv); |
8990e307 LW |
3604 | SvANY(sv) = 0; |
3605 | SvREFCNT(sv) = 1; | |
3606 | SvFLAGS(sv) = 0; | |
ff68c719 | 3607 | if (SvTEMP(old)) { |
3608 | SvTEMP_off(old); | |
463ee0b2 | 3609 | sv_setsv(sv,old); |
ff68c719 | 3610 | SvTEMP_on(old); |
79072805 LW |
3611 | } |
3612 | else | |
463ee0b2 LW |
3613 | sv_setsv(sv,old); |
3614 | return sv; | |
79072805 LW |
3615 | } |
3616 | ||
3617 | void | |
3618 | sv_reset(s,stash) | |
3619 | register char *s; | |
3620 | HV *stash; | |
3621 | { | |
3622 | register HE *entry; | |
3623 | register GV *gv; | |
3624 | register SV *sv; | |
3625 | register I32 i; | |
3626 | register PMOP *pm; | |
3627 | register I32 max; | |
463ee0b2 | 3628 | char todo[256]; |
79072805 LW |
3629 | |
3630 | if (!*s) { /* reset ?? searches */ | |
3631 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { | |
3632 | pm->op_pmflags &= ~PMf_USED; | |
3633 | } | |
3634 | return; | |
3635 | } | |
3636 | ||
3637 | /* reset variables */ | |
3638 | ||
3639 | if (!HvARRAY(stash)) | |
3640 | return; | |
463ee0b2 LW |
3641 | |
3642 | Zero(todo, 256, char); | |
79072805 LW |
3643 | while (*s) { |
3644 | i = *s; | |
3645 | if (s[1] == '-') { | |
3646 | s += 2; | |
3647 | } | |
3648 | max = *s++; | |
3649 | for ( ; i <= max; i++) { | |
463ee0b2 LW |
3650 | todo[i] = 1; |
3651 | } | |
a0d0e21e | 3652 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 LW |
3653 | for (entry = HvARRAY(stash)[i]; |
3654 | entry; | |
1edc1566 | 3655 | entry = HeNEXT(entry)) { |
3656 | if (!todo[(U8)*HeKEY(entry)]) | |
463ee0b2 | 3657 | continue; |
1edc1566 | 3658 | gv = (GV*)HeVAL(entry); |
79072805 | 3659 | sv = GvSV(gv); |
a0d0e21e | 3660 | (void)SvOK_off(sv); |
79072805 LW |
3661 | if (SvTYPE(sv) >= SVt_PV) { |
3662 | SvCUR_set(sv, 0); | |
463ee0b2 LW |
3663 | if (SvPVX(sv) != Nullch) |
3664 | *SvPVX(sv) = '\0'; | |
44a8e56a | 3665 | SvTAINT(sv); |
79072805 LW |
3666 | } |
3667 | if (GvAV(gv)) { | |
3668 | av_clear(GvAV(gv)); | |
3669 | } | |
44a8e56a | 3670 | if (GvHV(gv) && !HvNAME(GvHV(gv))) { |
463ee0b2 | 3671 | hv_clear(GvHV(gv)); |
a0d0e21e | 3672 | #ifndef VMS /* VMS has no environ array */ |
79072805 LW |
3673 | if (gv == envgv) |
3674 | environ[0] = Nullch; | |
a0d0e21e | 3675 | #endif |
79072805 LW |
3676 | } |
3677 | } | |
3678 | } | |
3679 | } | |
3680 | } | |
3681 | ||
46fc3d4c | 3682 | IO* |
3683 | sv_2io(sv) | |
3684 | SV *sv; | |
3685 | { | |
3686 | IO* io; | |
3687 | GV* gv; | |
3688 | ||
3689 | switch (SvTYPE(sv)) { | |
3690 | case SVt_PVIO: | |
3691 | io = (IO*)sv; | |
3692 | break; | |
3693 | case SVt_PVGV: | |
3694 | gv = (GV*)sv; | |
3695 | io = GvIO(gv); | |
3696 | if (!io) | |
3697 | croak("Bad filehandle: %s", GvNAME(gv)); | |
3698 | break; | |
3699 | default: | |
3700 | if (!SvOK(sv)) | |
3701 | croak(no_usym, "filehandle"); | |
3702 | if (SvROK(sv)) | |
3703 | return sv_2io(SvRV(sv)); | |
3704 | gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO); | |
3705 | if (gv) | |
3706 | io = GvIO(gv); | |
3707 | else | |
3708 | io = 0; | |
3709 | if (!io) | |
3710 | croak("Bad filehandle: %s", SvPV(sv,na)); | |
3711 | break; | |
3712 | } | |
3713 | return io; | |
3714 | } | |
3715 | ||
79072805 LW |
3716 | CV * |
3717 | sv_2cv(sv, st, gvp, lref) | |
3718 | SV *sv; | |
3719 | HV **st; | |
3720 | GV **gvp; | |
3721 | I32 lref; | |
3722 | { | |
3723 | GV *gv; | |
3724 | CV *cv; | |
3725 | ||
3726 | if (!sv) | |
93a17b20 | 3727 | return *gvp = Nullgv, Nullcv; |
79072805 | 3728 | switch (SvTYPE(sv)) { |
79072805 LW |
3729 | case SVt_PVCV: |
3730 | *st = CvSTASH(sv); | |
3731 | *gvp = Nullgv; | |
3732 | return (CV*)sv; | |
3733 | case SVt_PVHV: | |
3734 | case SVt_PVAV: | |
3735 | *gvp = Nullgv; | |
3736 | return Nullcv; | |
8990e307 LW |
3737 | case SVt_PVGV: |
3738 | gv = (GV*)sv; | |
a0d0e21e | 3739 | *gvp = gv; |
8990e307 LW |
3740 | *st = GvESTASH(gv); |
3741 | goto fix_gv; | |
3742 | ||
79072805 | 3743 | default: |
a0d0e21e LW |
3744 | if (SvGMAGICAL(sv)) |
3745 | mg_get(sv); | |
3746 | if (SvROK(sv)) { | |
3747 | cv = (CV*)SvRV(sv); | |
3748 | if (SvTYPE(cv) != SVt_PVCV) | |
3749 | croak("Not a subroutine reference"); | |
3750 | *gvp = Nullgv; | |
3751 | *st = CvSTASH(cv); | |
3752 | return cv; | |
3753 | } | |
79072805 LW |
3754 | if (isGV(sv)) |
3755 | gv = (GV*)sv; | |
3756 | else | |
85e6fe83 | 3757 | gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV); |
79072805 LW |
3758 | *gvp = gv; |
3759 | if (!gv) | |
3760 | return Nullcv; | |
3761 | *st = GvESTASH(gv); | |
8990e307 | 3762 | fix_gv: |
8ebc5c01 | 3763 | if (lref && !GvCVu(gv)) { |
4633a7c4 | 3764 | SV *tmpsv; |
748a9306 | 3765 | ENTER; |
4633a7c4 | 3766 | tmpsv = NEWSV(704,0); |
16660edb | 3767 | gv_efullname3(tmpsv, gv, Nullch); |
774d564b | 3768 | newSUB(start_subparse(FALSE, 0), |
4633a7c4 LW |
3769 | newSVOP(OP_CONST, 0, tmpsv), |
3770 | Nullop, | |
8990e307 | 3771 | Nullop); |
748a9306 | 3772 | LEAVE; |
8ebc5c01 | 3773 | if (!GvCVu(gv)) |
4633a7c4 | 3774 | croak("Unable to create sub named \"%s\"", SvPV(sv,na)); |
8990e307 | 3775 | } |
8ebc5c01 | 3776 | return GvCVu(gv); |
79072805 LW |
3777 | } |
3778 | } | |
3779 | ||
3780 | #ifndef SvTRUE | |
3781 | I32 | |
3782 | SvTRUE(sv) | |
3783 | register SV *sv; | |
3784 | { | |
8990e307 LW |
3785 | if (!sv) |
3786 | return 0; | |
3787 | if (SvGMAGICAL(sv)) | |
79072805 LW |
3788 | mg_get(sv); |
3789 | if (SvPOK(sv)) { | |
3790 | register XPV* Xpv; | |
3791 | if ((Xpv = (XPV*)SvANY(sv)) && | |
3792 | (*Xpv->xpv_pv > '0' || | |
3793 | Xpv->xpv_cur > 1 || | |
3794 | (Xpv->xpv_cur && *Xpv->xpv_pv != '0'))) | |
3795 | return 1; | |
3796 | else | |
3797 | return 0; | |
3798 | } | |
3799 | else { | |
3800 | if (SvIOK(sv)) | |
463ee0b2 | 3801 | return SvIVX(sv) != 0; |
79072805 LW |
3802 | else { |
3803 | if (SvNOK(sv)) | |
463ee0b2 | 3804 | return SvNVX(sv) != 0.0; |
79072805 | 3805 | else |
463ee0b2 | 3806 | return sv_2bool(sv); |
79072805 LW |
3807 | } |
3808 | } | |
3809 | } | |
ff68c719 | 3810 | #endif /* !SvTRUE */ |
79072805 | 3811 | |
85e6fe83 | 3812 | #ifndef SvIV |
ff68c719 | 3813 | IV |
3814 | SvIV(sv) | |
3815 | register SV *sv; | |
85e6fe83 | 3816 | { |
ff68c719 | 3817 | if (SvIOK(sv)) |
3818 | return SvIVX(sv); | |
3819 | return sv_2iv(sv); | |
85e6fe83 | 3820 | } |
ff68c719 | 3821 | #endif /* !SvIV */ |
85e6fe83 | 3822 | |
ff68c719 | 3823 | #ifndef SvUV |
3824 | UV | |
3825 | SvUV(sv) | |
3826 | register SV *sv; | |
3827 | { | |
3828 | if (SvIOK(sv)) | |
3829 | return SvUVX(sv); | |
3830 | return sv_2uv(sv); | |
3831 | } | |
3832 | #endif /* !SvUV */ | |
85e6fe83 | 3833 | |
463ee0b2 | 3834 | #ifndef SvNV |
ff68c719 | 3835 | double |
3836 | SvNV(sv) | |
3837 | register SV *sv; | |
79072805 | 3838 | { |
ff68c719 | 3839 | if (SvNOK(sv)) |
3840 | return SvNVX(sv); | |
3841 | return sv_2nv(sv); | |
79072805 | 3842 | } |
ff68c719 | 3843 | #endif /* !SvNV */ |
79072805 | 3844 | |
463ee0b2 | 3845 | #ifdef CRIPPLED_CC |
79072805 | 3846 | char * |
463ee0b2 | 3847 | sv_pvn(sv, lp) |
79072805 | 3848 | SV *sv; |
463ee0b2 | 3849 | STRLEN *lp; |
79072805 | 3850 | { |
85e6fe83 LW |
3851 | if (SvPOK(sv)) { |
3852 | *lp = SvCUR(sv); | |
a0d0e21e | 3853 | return SvPVX(sv); |
85e6fe83 | 3854 | } |
463ee0b2 | 3855 | return sv_2pv(sv, lp); |
79072805 LW |
3856 | } |
3857 | #endif | |
3858 | ||
a0d0e21e LW |
3859 | char * |
3860 | sv_pvn_force(sv, lp) | |
3861 | SV *sv; | |
3862 | STRLEN *lp; | |
3863 | { | |
3864 | char *s; | |
3865 | ||
0f15f207 MB |
3866 | if (SvREADONLY(sv)) { |
3867 | dTHR; | |
3868 | if (curcop != &compiling) | |
3869 | croak(no_modify); | |
3870 | } | |
a0d0e21e LW |
3871 | |
3872 | if (SvPOK(sv)) { | |
3873 | *lp = SvCUR(sv); | |
3874 | } | |
3875 | else { | |
748a9306 | 3876 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
4633a7c4 | 3877 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) { |
a0d0e21e | 3878 | sv_unglob(sv); |
4633a7c4 LW |
3879 | s = SvPVX(sv); |
3880 | *lp = SvCUR(sv); | |
3881 | } | |
11343788 MB |
3882 | else { |
3883 | dTHR; | |
a0d0e21e LW |
3884 | croak("Can't coerce %s to string in %s", sv_reftype(sv,0), |
3885 | op_name[op->op_type]); | |
11343788 | 3886 | } |
a0d0e21e | 3887 | } |
4633a7c4 LW |
3888 | else |
3889 | s = sv_2pv(sv, lp); | |
a0d0e21e LW |
3890 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
3891 | STRLEN len = *lp; | |
3892 | ||
3893 | if (SvROK(sv)) | |
3894 | sv_unref(sv); | |
3895 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ | |
3896 | SvGROW(sv, len + 1); | |
3897 | Move(s,SvPVX(sv),len,char); | |
3898 | SvCUR_set(sv, len); | |
3899 | *SvEND(sv) = '\0'; | |
3900 | } | |
3901 | if (!SvPOK(sv)) { | |
3902 | SvPOK_on(sv); /* validate pointer */ | |
3903 | SvTAINT(sv); | |
760ac839 | 3904 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", |
a0d0e21e LW |
3905 | (unsigned long)sv,SvPVX(sv))); |
3906 | } | |
3907 | } | |
3908 | return SvPVX(sv); | |
3909 | } | |
3910 | ||
3911 | char * | |
3912 | sv_reftype(sv, ob) | |
3913 | SV* sv; | |
3914 | int ob; | |
3915 | { | |
3916 | if (ob && SvOBJECT(sv)) | |
3917 | return HvNAME(SvSTASH(sv)); | |
3918 | else { | |
3919 | switch (SvTYPE(sv)) { | |
3920 | case SVt_NULL: | |
3921 | case SVt_IV: | |
3922 | case SVt_NV: | |
3923 | case SVt_RV: | |
3924 | case SVt_PV: | |
3925 | case SVt_PVIV: | |
3926 | case SVt_PVNV: | |
3927 | case SVt_PVMG: | |
3928 | case SVt_PVBM: | |
3929 | if (SvROK(sv)) | |
3930 | return "REF"; | |
3931 | else | |
3932 | return "SCALAR"; | |
3933 | case SVt_PVLV: return "LVALUE"; | |
3934 | case SVt_PVAV: return "ARRAY"; | |
3935 | case SVt_PVHV: return "HASH"; | |
3936 | case SVt_PVCV: return "CODE"; | |
3937 | case SVt_PVGV: return "GLOB"; | |
3938 | case SVt_PVFM: return "FORMLINE"; | |
3939 | default: return "UNKNOWN"; | |
3940 | } | |
3941 | } | |
3942 | } | |
3943 | ||
463ee0b2 | 3944 | int |
85e6fe83 LW |
3945 | sv_isobject(sv) |
3946 | SV *sv; | |
3947 | { | |
68dc0745 | 3948 | if (!sv) |
3949 | return 0; | |
3950 | if (SvGMAGICAL(sv)) | |
3951 | mg_get(sv); | |
85e6fe83 LW |
3952 | if (!SvROK(sv)) |
3953 | return 0; | |
3954 | sv = (SV*)SvRV(sv); | |
3955 | if (!SvOBJECT(sv)) | |
3956 | return 0; | |
3957 | return 1; | |
3958 | } | |
3959 | ||
3960 | int | |
463ee0b2 LW |
3961 | sv_isa(sv, name) |
3962 | SV *sv; | |
3963 | char *name; | |
3964 | { | |
68dc0745 | 3965 | if (!sv) |
3966 | return 0; | |
3967 | if (SvGMAGICAL(sv)) | |
3968 | mg_get(sv); | |
ed6116ce | 3969 | if (!SvROK(sv)) |
463ee0b2 | 3970 | return 0; |
ed6116ce LW |
3971 | sv = (SV*)SvRV(sv); |
3972 | if (!SvOBJECT(sv)) | |
463ee0b2 LW |
3973 | return 0; |
3974 | ||
3975 | return strEQ(HvNAME(SvSTASH(sv)), name); | |
3976 | } | |
3977 | ||
3978 | SV* | |
a0d0e21e | 3979 | newSVrv(rv, classname) |
463ee0b2 | 3980 | SV *rv; |
a0d0e21e | 3981 | char *classname; |
463ee0b2 | 3982 | { |
11343788 | 3983 | dTHR; |
463ee0b2 LW |
3984 | SV *sv; |
3985 | ||
4561caa4 | 3986 | new_SV(sv); |
8990e307 | 3987 | SvANY(sv) = 0; |
a0d0e21e | 3988 | SvREFCNT(sv) = 0; |
8990e307 | 3989 | SvFLAGS(sv) = 0; |
ed6116ce | 3990 | sv_upgrade(rv, SVt_RV); |
8990e307 | 3991 | SvRV(rv) = SvREFCNT_inc(sv); |
ed6116ce | 3992 | SvROK_on(rv); |
463ee0b2 | 3993 | |
a0d0e21e LW |
3994 | if (classname) { |
3995 | HV* stash = gv_stashpv(classname, TRUE); | |
3996 | (void)sv_bless(rv, stash); | |
3997 | } | |
3998 | return sv; | |
3999 | } | |
4000 | ||
4001 | SV* | |
4002 | sv_setref_pv(rv, classname, pv) | |
4003 | SV *rv; | |
4004 | char *classname; | |
4005 | void* pv; | |
4006 | { | |
4007 | if (!pv) | |
4008 | sv_setsv(rv, &sv_undef); | |
4009 | else | |
4010 | sv_setiv(newSVrv(rv,classname), (IV)pv); | |
4011 | return rv; | |
4012 | } | |
4013 | ||
4014 | SV* | |
4015 | sv_setref_iv(rv, classname, iv) | |
4016 | SV *rv; | |
4017 | char *classname; | |
4018 | IV iv; | |
4019 | { | |
4020 | sv_setiv(newSVrv(rv,classname), iv); | |
4021 | return rv; | |
4022 | } | |
4023 | ||
4024 | SV* | |
4025 | sv_setref_nv(rv, classname, nv) | |
4026 | SV *rv; | |
4027 | char *classname; | |
4028 | double nv; | |
4029 | { | |
4030 | sv_setnv(newSVrv(rv,classname), nv); | |
4031 | return rv; | |
4032 | } | |
463ee0b2 | 4033 | |
a0d0e21e LW |
4034 | SV* |
4035 | sv_setref_pvn(rv, classname, pv, n) | |
4036 | SV *rv; | |
4037 | char *classname; | |
4038 | char* pv; | |
4039 | I32 n; | |
4040 | { | |
4041 | sv_setpvn(newSVrv(rv,classname), pv, n); | |
463ee0b2 LW |
4042 | return rv; |
4043 | } | |
4044 | ||
a0d0e21e LW |
4045 | SV* |
4046 | sv_bless(sv,stash) | |
4047 | SV* sv; | |
4048 | HV* stash; | |
4049 | { | |
11343788 | 4050 | dTHR; |
a0d0e21e LW |
4051 | SV *ref; |
4052 | if (!SvROK(sv)) | |
4053 | croak("Can't bless non-reference value"); | |
4054 | ref = SvRV(sv); | |
4055 | if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) { | |
4056 | if (SvREADONLY(ref)) | |
4057 | croak(no_modify); | |
2e3febc6 CS |
4058 | if (SvOBJECT(ref)) { |
4059 | if (SvTYPE(ref) != SVt_PVIO) | |
4060 | --sv_objcount; | |
4061 | SvREFCNT_dec(SvSTASH(ref)); | |
4062 | } | |
a0d0e21e LW |
4063 | } |
4064 | SvOBJECT_on(ref); | |
2e3febc6 CS |
4065 | if (SvTYPE(ref) != SVt_PVIO) |
4066 | ++sv_objcount; | |
a0d0e21e LW |
4067 | (void)SvUPGRADE(ref, SVt_PVMG); |
4068 | SvSTASH(ref) = (HV*)SvREFCNT_inc(stash); | |
4069 | ||
4070 | #ifdef OVERLOAD | |
2e3febc6 CS |
4071 | if (Gv_AMG(stash)) |
4072 | SvAMAGIC_on(sv); | |
4073 | else | |
4074 | SvAMAGIC_off(sv); | |
a0d0e21e LW |
4075 | #endif /* OVERLOAD */ |
4076 | ||
4077 | return sv; | |
4078 | } | |
4079 | ||
4080 | static void | |
4081 | sv_unglob(sv) | |
4082 | SV* sv; | |
4083 | { | |
4084 | assert(SvTYPE(sv) == SVt_PVGV); | |
4085 | SvFAKE_off(sv); | |
4086 | if (GvGP(sv)) | |
1edc1566 | 4087 | gp_free((GV*)sv); |
a0d0e21e LW |
4088 | sv_unmagic(sv, '*'); |
4089 | Safefree(GvNAME(sv)); | |
a5f75d66 | 4090 | GvMULTI_off(sv); |
a0d0e21e LW |
4091 | SvFLAGS(sv) &= ~SVTYPEMASK; |
4092 | SvFLAGS(sv) |= SVt_PVMG; | |
4093 | } | |
4094 | ||
ed6116ce LW |
4095 | void |
4096 | sv_unref(sv) | |
4097 | SV* sv; | |
4098 | { | |
a0d0e21e LW |
4099 | SV* rv = SvRV(sv); |
4100 | ||
ed6116ce LW |
4101 | SvRV(sv) = 0; |
4102 | SvROK_off(sv); | |
4633a7c4 LW |
4103 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
4104 | SvREFCNT_dec(rv); | |
8e07c86e | 4105 | else |
4633a7c4 | 4106 | sv_2mortal(rv); /* Schedule for freeing later */ |
ed6116ce | 4107 | } |
8990e307 | 4108 | |
bbce6d69 | 4109 | void |
4110 | sv_taint(sv) | |
4111 | SV *sv; | |
4112 | { | |
4113 | sv_magic((sv), Nullsv, 't', Nullch, 0); | |
4114 | } | |
4115 | ||
4116 | void | |
4117 | sv_untaint(sv) | |
4118 | SV *sv; | |
4119 | { | |
13f57bf8 | 4120 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4121 | MAGIC *mg = mg_find(sv, 't'); |
4122 | if (mg) | |
4123 | mg->mg_len &= ~1; | |
4124 | } | |
bbce6d69 | 4125 | } |
4126 | ||
4127 | bool | |
4128 | sv_tainted(sv) | |
4129 | SV *sv; | |
4130 | { | |
13f57bf8 | 4131 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4132 | MAGIC *mg = mg_find(sv, 't'); |
4133 | if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) | |
4134 | return TRUE; | |
4135 | } | |
4136 | return FALSE; | |
bbce6d69 | 4137 | } |
4138 | ||
46fc3d4c | 4139 | #ifdef I_STDARG |
4140 | void | |
4141 | sv_setpvf(SV *sv, const char* pat, ...) | |
4142 | #else | |
4143 | /*VARARGS0*/ | |
4144 | void | |
4145 | sv_setpvf(sv, pat, va_alist) | |
4146 | SV *sv; | |
4147 | const char *pat; | |
4148 | va_dcl | |
4149 | #endif | |
4150 | { | |
4151 | va_list args; | |
4152 | #ifdef I_STDARG | |
4153 | va_start(args, pat); | |
4154 | #else | |
4155 | va_start(args); | |
4156 | #endif | |
fc36a67e | 4157 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4158 | va_end(args); |
4159 | } | |
4160 | ||
4161 | #ifdef I_STDARG | |
4162 | void | |
4163 | sv_catpvf(SV *sv, const char* pat, ...) | |
4164 | #else | |
4165 | /*VARARGS0*/ | |
4166 | void | |
4167 | sv_catpvf(sv, pat, va_alist) | |
4168 | SV *sv; | |
4169 | const char *pat; | |
4170 | va_dcl | |
4171 | #endif | |
4172 | { | |
4173 | va_list args; | |
4174 | #ifdef I_STDARG | |
4175 | va_start(args, pat); | |
4176 | #else | |
4177 | va_start(args); | |
4178 | #endif | |
fc36a67e | 4179 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4180 | va_end(args); |
4181 | } | |
4182 | ||
4183 | void | |
4184 | sv_vsetpvfn(sv, pat, patlen, args, svargs, svmax, used_locale) | |
4185 | SV *sv; | |
4186 | const char *pat; | |
4187 | STRLEN patlen; | |
4188 | va_list *args; | |
4189 | SV **svargs; | |
4190 | I32 svmax; | |
4191 | bool *used_locale; | |
4192 | { | |
4193 | sv_setpvn(sv, "", 0); | |
4194 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale); | |
4195 | } | |
4196 | ||
4197 | void | |
4198 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale) | |
4199 | SV *sv; | |
4200 | const char *pat; | |
4201 | STRLEN patlen; | |
4202 | va_list *args; | |
4203 | SV **svargs; | |
4204 | I32 svmax; | |
4205 | bool *used_locale; | |
4206 | { | |
e858de61 | 4207 | dTHR; |
46fc3d4c | 4208 | char *p; |
4209 | char *q; | |
4210 | char *patend; | |
fc36a67e | 4211 | STRLEN origlen; |
46fc3d4c | 4212 | I32 svix = 0; |
c635e13b | 4213 | static char nullstr[] = "(null)"; |
46fc3d4c | 4214 | |
4215 | /* no matter what, this is a string now */ | |
fc36a67e | 4216 | (void)SvPV_force(sv, origlen); |
46fc3d4c | 4217 | |
fc36a67e | 4218 | /* special-case "", "%s", and "%_" */ |
46fc3d4c | 4219 | if (patlen == 0) |
4220 | return; | |
fc36a67e | 4221 | if (patlen == 2 && pat[0] == '%') { |
4222 | switch (pat[1]) { | |
4223 | case 's': | |
c635e13b | 4224 | if (args) { |
4225 | char *s = va_arg(*args, char*); | |
4226 | sv_catpv(sv, s ? s : nullstr); | |
4227 | } | |
fc36a67e | 4228 | else if (svix < svmax) |
4229 | sv_catsv(sv, *svargs); | |
4230 | return; | |
4231 | case '_': | |
4232 | if (args) { | |
4233 | sv_catsv(sv, va_arg(*args, SV*)); | |
4234 | return; | |
4235 | } | |
4236 | /* See comment on '_' below */ | |
4237 | break; | |
4238 | } | |
46fc3d4c | 4239 | } |
4240 | ||
4241 | patend = (char*)pat + patlen; | |
4242 | for (p = (char*)pat; p < patend; p = q) { | |
4243 | bool alt = FALSE; | |
4244 | bool left = FALSE; | |
4245 | char fill = ' '; | |
4246 | char plus = 0; | |
4247 | char intsize = 0; | |
4248 | STRLEN width = 0; | |
fc36a67e | 4249 | STRLEN zeros = 0; |
46fc3d4c | 4250 | bool has_precis = FALSE; |
4251 | STRLEN precis = 0; | |
4252 | ||
4253 | char esignbuf[4]; | |
4254 | STRLEN esignlen = 0; | |
4255 | ||
4256 | char *eptr = Nullch; | |
fc36a67e | 4257 | STRLEN elen = 0; |
4258 | char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */ | |
46fc3d4c | 4259 | |
4260 | static char *efloatbuf = Nullch; | |
4261 | static STRLEN efloatsize = 0; | |
4262 | ||
4263 | char c; | |
4264 | int i; | |
4265 | unsigned base; | |
4266 | IV iv; | |
4267 | UV uv; | |
4268 | double nv; | |
4269 | STRLEN have; | |
4270 | STRLEN need; | |
4271 | STRLEN gap; | |
4272 | ||
4273 | for (q = p; q < patend && *q != '%'; ++q) ; | |
4274 | if (q > p) { | |
4275 | sv_catpvn(sv, p, q - p); | |
4276 | p = q; | |
4277 | } | |
4278 | if (q++ >= patend) | |
4279 | break; | |
4280 | ||
fc36a67e | 4281 | /* FLAGS */ |
4282 | ||
46fc3d4c | 4283 | while (*q) { |
4284 | switch (*q) { | |
4285 | case ' ': | |
4286 | case '+': | |
4287 | plus = *q++; | |
4288 | continue; | |
4289 | ||
4290 | case '-': | |
4291 | left = TRUE; | |
4292 | q++; | |
4293 | continue; | |
4294 | ||
4295 | case '0': | |
4296 | fill = *q++; | |
4297 | continue; | |
4298 | ||
4299 | case '#': | |
4300 | alt = TRUE; | |
4301 | q++; | |
4302 | continue; | |
4303 | ||
fc36a67e | 4304 | default: |
4305 | break; | |
4306 | } | |
4307 | break; | |
4308 | } | |
46fc3d4c | 4309 | |
fc36a67e | 4310 | /* WIDTH */ |
4311 | ||
4312 | switch (*q) { | |
4313 | case '1': case '2': case '3': | |
4314 | case '4': case '5': case '6': | |
4315 | case '7': case '8': case '9': | |
4316 | width = 0; | |
4317 | while (isDIGIT(*q)) | |
4318 | width = width * 10 + (*q++ - '0'); | |
4319 | break; | |
4320 | ||
4321 | case '*': | |
4322 | if (args) | |
4323 | i = va_arg(*args, int); | |
4324 | else | |
4325 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4326 | left |= (i < 0); | |
4327 | width = (i < 0) ? -i : i; | |
4328 | q++; | |
4329 | break; | |
4330 | } | |
4331 | ||
4332 | /* PRECISION */ | |
46fc3d4c | 4333 | |
fc36a67e | 4334 | if (*q == '.') { |
4335 | q++; | |
4336 | if (*q == '*') { | |
46fc3d4c | 4337 | if (args) |
4338 | i = va_arg(*args, int); | |
4339 | else | |
4340 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
fc36a67e | 4341 | precis = (i < 0) ? 0 : i; |
46fc3d4c | 4342 | q++; |
fc36a67e | 4343 | } |
4344 | else { | |
4345 | precis = 0; | |
4346 | while (isDIGIT(*q)) | |
4347 | precis = precis * 10 + (*q++ - '0'); | |
4348 | } | |
4349 | has_precis = TRUE; | |
4350 | } | |
46fc3d4c | 4351 | |
fc36a67e | 4352 | /* SIZE */ |
46fc3d4c | 4353 | |
fc36a67e | 4354 | switch (*q) { |
4355 | case 'l': | |
4356 | #if 0 /* when quads have better support within Perl */ | |
4357 | if (*(q + 1) == 'l') { | |
4358 | intsize = 'q'; | |
4359 | q += 2; | |
46fc3d4c | 4360 | break; |
4361 | } | |
fc36a67e | 4362 | #endif |
4363 | /* FALL THROUGH */ | |
4364 | case 'h': | |
4365 | case 'V': | |
4366 | intsize = *q++; | |
46fc3d4c | 4367 | break; |
4368 | } | |
4369 | ||
fc36a67e | 4370 | /* CONVERSION */ |
4371 | ||
46fc3d4c | 4372 | switch (c = *q++) { |
4373 | ||
4374 | /* STRINGS */ | |
4375 | ||
4376 | case '%': | |
4377 | eptr = q - 1; | |
4378 | elen = 1; | |
4379 | goto string; | |
4380 | ||
4381 | case 'c': | |
4382 | if (args) | |
4383 | c = va_arg(*args, int); | |
4384 | else | |
4385 | c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4386 | eptr = &c; | |
4387 | elen = 1; | |
4388 | goto string; | |
4389 | ||
46fc3d4c | 4390 | case 's': |
4391 | if (args) { | |
fc36a67e | 4392 | eptr = va_arg(*args, char*); |
c635e13b | 4393 | if (eptr) |
4394 | elen = strlen(eptr); | |
4395 | else { | |
4396 | eptr = nullstr; | |
4397 | elen = sizeof nullstr - 1; | |
4398 | } | |
46fc3d4c | 4399 | } |
4400 | else if (svix < svmax) | |
4401 | eptr = SvPVx(svargs[svix++], elen); | |
4402 | goto string; | |
4403 | ||
fc36a67e | 4404 | case '_': |
4405 | /* | |
4406 | * The "%_" hack might have to be changed someday, | |
4407 | * if ISO or ANSI decide to use '_' for something. | |
4408 | * So we keep it hidden from users' code. | |
4409 | */ | |
4410 | if (!args) | |
4411 | goto unknown; | |
4412 | eptr = SvPVx(va_arg(*args, SV*), elen); | |
4413 | ||
46fc3d4c | 4414 | string: |
4415 | if (has_precis && elen > precis) | |
4416 | elen = precis; | |
4417 | break; | |
4418 | ||
4419 | /* INTEGERS */ | |
4420 | ||
fc36a67e | 4421 | case 'p': |
4422 | if (args) | |
4423 | uv = (UV)va_arg(*args, void*); | |
4424 | else | |
4425 | uv = (svix < svmax) ? (UV)svargs[svix++] : 0; | |
4426 | base = 16; | |
4427 | goto integer; | |
4428 | ||
46fc3d4c | 4429 | case 'D': |
4430 | intsize = 'l'; | |
4431 | /* FALL THROUGH */ | |
4432 | case 'd': | |
4433 | case 'i': | |
4434 | if (args) { | |
4435 | switch (intsize) { | |
4436 | case 'h': iv = (short)va_arg(*args, int); break; | |
4437 | default: iv = va_arg(*args, int); break; | |
4438 | case 'l': iv = va_arg(*args, long); break; | |
fc36a67e | 4439 | case 'V': iv = va_arg(*args, IV); break; |
46fc3d4c | 4440 | } |
4441 | } | |
4442 | else { | |
4443 | iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4444 | switch (intsize) { | |
4445 | case 'h': iv = (short)iv; break; | |
4446 | default: iv = (int)iv; break; | |
4447 | case 'l': iv = (long)iv; break; | |
fc36a67e | 4448 | case 'V': break; |
46fc3d4c | 4449 | } |
4450 | } | |
4451 | if (iv >= 0) { | |
4452 | uv = iv; | |
4453 | if (plus) | |
4454 | esignbuf[esignlen++] = plus; | |
4455 | } | |
4456 | else { | |
4457 | uv = -iv; | |
4458 | esignbuf[esignlen++] = '-'; | |
4459 | } | |
4460 | base = 10; | |
4461 | goto integer; | |
4462 | ||
fc36a67e | 4463 | case 'U': |
4464 | intsize = 'l'; | |
4465 | /* FALL THROUGH */ | |
4466 | case 'u': | |
4467 | base = 10; | |
4468 | goto uns_integer; | |
4469 | ||
46fc3d4c | 4470 | case 'O': |
4471 | intsize = 'l'; | |
4472 | /* FALL THROUGH */ | |
4473 | case 'o': | |
4474 | base = 8; | |
4475 | goto uns_integer; | |
4476 | ||
4477 | case 'X': | |
46fc3d4c | 4478 | case 'x': |
4479 | base = 16; | |
46fc3d4c | 4480 | |
4481 | uns_integer: | |
4482 | if (args) { | |
4483 | switch (intsize) { | |
4484 | case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; | |
4485 | default: uv = va_arg(*args, unsigned); break; | |
4486 | case 'l': uv = va_arg(*args, unsigned long); break; | |
fc36a67e | 4487 | case 'V': uv = va_arg(*args, UV); break; |
46fc3d4c | 4488 | } |
4489 | } | |
4490 | else { | |
4491 | uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; | |
4492 | switch (intsize) { | |
4493 | case 'h': uv = (unsigned short)uv; break; | |
4494 | default: uv = (unsigned)uv; break; | |
4495 | case 'l': uv = (unsigned long)uv; break; | |
fc36a67e | 4496 | case 'V': break; |
46fc3d4c | 4497 | } |
4498 | } | |
4499 | ||
4500 | integer: | |
46fc3d4c | 4501 | eptr = ebuf + sizeof ebuf; |
fc36a67e | 4502 | switch (base) { |
4503 | unsigned dig; | |
4504 | case 16: | |
4505 | p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef"; | |
4506 | do { | |
4507 | dig = uv & 15; | |
4508 | *--eptr = p[dig]; | |
4509 | } while (uv >>= 4); | |
4510 | if (alt) { | |
46fc3d4c | 4511 | esignbuf[esignlen++] = '0'; |
fc36a67e | 4512 | esignbuf[esignlen++] = c; /* 'x' or 'X' */ |
46fc3d4c | 4513 | } |
fc36a67e | 4514 | break; |
4515 | case 8: | |
4516 | do { | |
4517 | dig = uv & 7; | |
4518 | *--eptr = '0' + dig; | |
4519 | } while (uv >>= 3); | |
4520 | if (alt && *eptr != '0') | |
4521 | *--eptr = '0'; | |
4522 | break; | |
4523 | default: /* it had better be ten or less */ | |
4524 | do { | |
4525 | dig = uv % base; | |
4526 | *--eptr = '0' + dig; | |
4527 | } while (uv /= base); | |
4528 | break; | |
46fc3d4c | 4529 | } |
4530 | elen = (ebuf + sizeof ebuf) - eptr; | |
fc36a67e | 4531 | if (has_precis && precis > elen) |
4532 | zeros = precis - elen; | |
46fc3d4c | 4533 | break; |
4534 | ||
4535 | /* FLOATING POINT */ | |
4536 | ||
fc36a67e | 4537 | case 'F': |
4538 | c = 'f'; /* maybe %F isn't supported here */ | |
4539 | /* FALL THROUGH */ | |
46fc3d4c | 4540 | case 'e': case 'E': |
fc36a67e | 4541 | case 'f': |
46fc3d4c | 4542 | case 'g': case 'G': |
4543 | ||
4544 | /* This is evil, but floating point is even more evil */ | |
4545 | ||
fc36a67e | 4546 | if (args) |
4547 | nv = va_arg(*args, double); | |
4548 | else | |
4549 | nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; | |
4550 | ||
4551 | need = 0; | |
4552 | if (c != 'e' && c != 'E') { | |
4553 | i = PERL_INT_MIN; | |
4554 | (void)frexp(nv, &i); | |
4555 | if (i == PERL_INT_MIN) | |
c635e13b | 4556 | die("panic: frexp"); |
4557 | if (i > 0) | |
fc36a67e | 4558 | need = BIT_DIGITS(i); |
4559 | } | |
4560 | need += has_precis ? precis : 6; /* known default */ | |
4561 | if (need < width) | |
4562 | need = width; | |
4563 | ||
46fc3d4c | 4564 | need += 20; /* fudge factor */ |
4565 | if (efloatsize < need) { | |
4566 | Safefree(efloatbuf); | |
4567 | efloatsize = need + 20; /* more fudge */ | |
4568 | New(906, efloatbuf, efloatsize, char); | |
4569 | } | |
4570 | ||
4571 | eptr = ebuf + sizeof ebuf; | |
4572 | *--eptr = '\0'; | |
4573 | *--eptr = c; | |
4574 | if (has_precis) { | |
4575 | base = precis; | |
4576 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4577 | *--eptr = '.'; | |
4578 | } | |
4579 | if (width) { | |
4580 | base = width; | |
4581 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4582 | } | |
4583 | if (fill == '0') | |
4584 | *--eptr = fill; | |
4585 | if (plus) | |
4586 | *--eptr = plus; | |
4587 | if (alt) | |
4588 | *--eptr = '#'; | |
4589 | *--eptr = '%'; | |
4590 | ||
46fc3d4c | 4591 | (void)sprintf(efloatbuf, eptr, nv); |
4592 | ||
4593 | eptr = efloatbuf; | |
4594 | elen = strlen(efloatbuf); | |
4595 | ||
4596 | #ifdef LC_NUMERIC | |
4597 | /* | |
4598 | * User-defined locales may include arbitrary characters. | |
4599 | * And, unfortunately, some system may alloc the "C" locale | |
4600 | * to be overridden by a malicious user. | |
4601 | */ | |
4602 | if (used_locale) | |
4603 | *used_locale = TRUE; | |
4604 | #endif /* LC_NUMERIC */ | |
4605 | ||
4606 | break; | |
4607 | ||
fc36a67e | 4608 | /* SPECIAL */ |
4609 | ||
4610 | case 'n': | |
4611 | i = SvCUR(sv) - origlen; | |
4612 | if (args) { | |
c635e13b | 4613 | switch (intsize) { |
4614 | case 'h': *(va_arg(*args, short*)) = i; break; | |
4615 | default: *(va_arg(*args, int*)) = i; break; | |
4616 | case 'l': *(va_arg(*args, long*)) = i; break; | |
4617 | case 'V': *(va_arg(*args, IV*)) = i; break; | |
4618 | } | |
fc36a67e | 4619 | } |
4620 | else if (svix < svmax) | |
4621 | sv_setuv(svargs[svix++], (UV)i); | |
4622 | continue; /* not "break" */ | |
4623 | ||
4624 | /* UNKNOWN */ | |
4625 | ||
46fc3d4c | 4626 | default: |
fc36a67e | 4627 | unknown: |
c635e13b | 4628 | if (!args && dowarn && |
4629 | (op->op_type == OP_PRTF || op->op_type == OP_SPRINTF)) { | |
4630 | SV *msg = sv_newmortal(); | |
4631 | sv_setpvf(msg, "Invalid conversion in %s: ", | |
4632 | (op->op_type == OP_PRTF) ? "printf" : "sprintf"); | |
4633 | if (c) | |
4634 | sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"", | |
4635 | c & 0xFF); | |
4636 | else | |
4637 | sv_catpv(msg, "end of string"); | |
4638 | warn("%_", msg); /* yes, this is reentrant */ | |
4639 | } | |
4640 | /* output mangled stuff */ | |
46fc3d4c | 4641 | eptr = p; |
4642 | elen = q - p; | |
4643 | break; | |
4644 | } | |
4645 | ||
fc36a67e | 4646 | have = esignlen + zeros + elen; |
46fc3d4c | 4647 | need = (have > width ? have : width); |
4648 | gap = need - have; | |
4649 | ||
4650 | SvGROW(sv, SvLEN(sv) + need); | |
4651 | p = SvEND(sv); | |
4652 | if (esignlen && fill == '0') { | |
4653 | for (i = 0; i < esignlen; i++) | |
4654 | *p++ = esignbuf[i]; | |
4655 | } | |
4656 | if (gap && !left) { | |
4657 | memset(p, fill, gap); | |
4658 | p += gap; | |
4659 | } | |
4660 | if (esignlen && fill != '0') { | |
4661 | for (i = 0; i < esignlen; i++) | |
4662 | *p++ = esignbuf[i]; | |
4663 | } | |
fc36a67e | 4664 | if (zeros) { |
4665 | for (i = zeros; i; i--) | |
4666 | *p++ = '0'; | |
4667 | } | |
46fc3d4c | 4668 | if (elen) { |
4669 | memcpy(p, eptr, elen); | |
4670 | p += elen; | |
4671 | } | |
4672 | if (gap && left) { | |
4673 | memset(p, ' ', gap); | |
4674 | p += gap; | |
4675 | } | |
4676 | *p = '\0'; | |
4677 | SvCUR(sv) = p - SvPVX(sv); | |
4678 | } | |
4679 | } | |
4680 | ||
8990e307 LW |
4681 | #ifdef DEBUGGING |
4682 | void | |
4683 | sv_dump(sv) | |
4684 | SV* sv; | |
4685 | { | |
46fc3d4c | 4686 | SV *d = sv_newmortal(); |
4687 | char *s; | |
8990e307 LW |
4688 | U32 flags; |
4689 | U32 type; | |
4690 | ||
4691 | if (!sv) { | |
760ac839 | 4692 | PerlIO_printf(Perl_debug_log, "SV = 0\n"); |
8990e307 LW |
4693 | return; |
4694 | } | |
4695 | ||
4696 | flags = SvFLAGS(sv); | |
4697 | type = SvTYPE(sv); | |
4698 | ||
46fc3d4c | 4699 | sv_setpvf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", |
4700 | (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); | |
4701 | if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,"); | |
4702 | if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,"); | |
4703 | if (flags & SVs_PADMY) sv_catpv(d, "PADMY,"); | |
4704 | if (flags & SVs_TEMP) sv_catpv(d, "TEMP,"); | |
4705 | if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,"); | |
4706 | if (flags & SVs_GMG) sv_catpv(d, "GMG,"); | |
4707 | if (flags & SVs_SMG) sv_catpv(d, "SMG,"); | |
4708 | if (flags & SVs_RMG) sv_catpv(d, "RMG,"); | |
4709 | ||
4710 | if (flags & SVf_IOK) sv_catpv(d, "IOK,"); | |
4711 | if (flags & SVf_NOK) sv_catpv(d, "NOK,"); | |
4712 | if (flags & SVf_POK) sv_catpv(d, "POK,"); | |
4713 | if (flags & SVf_ROK) sv_catpv(d, "ROK,"); | |
4714 | if (flags & SVf_OOK) sv_catpv(d, "OOK,"); | |
4715 | if (flags & SVf_FAKE) sv_catpv(d, "FAKE,"); | |
4716 | if (flags & SVf_READONLY) sv_catpv(d, "READONLY,"); | |
8990e307 | 4717 | |
1edc1566 | 4718 | #ifdef OVERLOAD |
46fc3d4c | 4719 | if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,"); |
1edc1566 | 4720 | #endif /* OVERLOAD */ |
46fc3d4c | 4721 | if (flags & SVp_IOK) sv_catpv(d, "pIOK,"); |
4722 | if (flags & SVp_NOK) sv_catpv(d, "pNOK,"); | |
4723 | if (flags & SVp_POK) sv_catpv(d, "pPOK,"); | |
4724 | if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,"); | |
1edc1566 | 4725 | |
4726 | switch (type) { | |
4727 | case SVt_PVCV: | |
774d564b | 4728 | case SVt_PVFM: |
46fc3d4c | 4729 | if (CvANON(sv)) sv_catpv(d, "ANON,"); |
4730 | if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,"); | |
4731 | if (CvCLONE(sv)) sv_catpv(d, "CLONE,"); | |
4732 | if (CvCLONED(sv)) sv_catpv(d, "CLONED,"); | |
4733 | if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,"); | |
4734 | break; | |
55497cff | 4735 | case SVt_PVHV: |
46fc3d4c | 4736 | if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,"); |
4737 | if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,"); | |
4738 | break; | |
1edc1566 | 4739 | case SVt_PVGV: |
46fc3d4c | 4740 | if (GvINTRO(sv)) sv_catpv(d, "INTRO,"); |
4741 | if (GvMULTI(sv)) sv_catpv(d, "MULTI,"); | |
4742 | if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,"); | |
4743 | if (GvIMPORTED(sv)) { | |
4744 | sv_catpv(d, "IMPORT"); | |
4745 | if (GvIMPORTED(sv) == GVf_IMPORTED) | |
4746 | sv_catpv(d, "ALL,"); | |
4747 | else { | |
4748 | sv_catpv(d, "("); | |
4749 | if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV"); | |
4750 | if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV"); | |
4751 | if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV"); | |
4752 | if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV"); | |
4753 | sv_catpv(d, " ),"); | |
4754 | } | |
4755 | } | |
1edc1566 | 4756 | } |
4757 | ||
46fc3d4c | 4758 | if (*(SvEND(d) - 1) == ',') |
4759 | SvPVX(d)[--SvCUR(d)] = '\0'; | |
4760 | sv_catpv(d, ")"); | |
4761 | s = SvPVX(d); | |
8990e307 | 4762 | |
760ac839 | 4763 | PerlIO_printf(Perl_debug_log, "SV = "); |
8990e307 LW |
4764 | switch (type) { |
4765 | case SVt_NULL: | |
46fc3d4c | 4766 | PerlIO_printf(Perl_debug_log, "NULL%s\n", s); |
8990e307 LW |
4767 | return; |
4768 | case SVt_IV: | |
46fc3d4c | 4769 | PerlIO_printf(Perl_debug_log, "IV%s\n", s); |
8990e307 LW |
4770 | break; |
4771 | case SVt_NV: | |
46fc3d4c | 4772 | PerlIO_printf(Perl_debug_log, "NV%s\n", s); |
8990e307 LW |
4773 | break; |
4774 | case SVt_RV: | |
46fc3d4c | 4775 | PerlIO_printf(Perl_debug_log, "RV%s\n", s); |
8990e307 LW |
4776 | break; |
4777 | case SVt_PV: | |
46fc3d4c | 4778 | PerlIO_printf(Perl_debug_log, "PV%s\n", s); |
8990e307 LW |
4779 | break; |
4780 | case SVt_PVIV: | |
46fc3d4c | 4781 | PerlIO_printf(Perl_debug_log, "PVIV%s\n", s); |
8990e307 LW |
4782 | break; |
4783 | case SVt_PVNV: | |
46fc3d4c | 4784 | PerlIO_printf(Perl_debug_log, "PVNV%s\n", s); |
8990e307 LW |
4785 | break; |
4786 | case SVt_PVBM: | |
46fc3d4c | 4787 | PerlIO_printf(Perl_debug_log, "PVBM%s\n", s); |
8990e307 LW |
4788 | break; |
4789 | case SVt_PVMG: | |
46fc3d4c | 4790 | PerlIO_printf(Perl_debug_log, "PVMG%s\n", s); |
8990e307 LW |
4791 | break; |
4792 | case SVt_PVLV: | |
46fc3d4c | 4793 | PerlIO_printf(Perl_debug_log, "PVLV%s\n", s); |
8990e307 LW |
4794 | break; |
4795 | case SVt_PVAV: | |
46fc3d4c | 4796 | PerlIO_printf(Perl_debug_log, "PVAV%s\n", s); |
8990e307 LW |
4797 | break; |
4798 | case SVt_PVHV: | |
46fc3d4c | 4799 | PerlIO_printf(Perl_debug_log, "PVHV%s\n", s); |
8990e307 LW |
4800 | break; |
4801 | case SVt_PVCV: | |
46fc3d4c | 4802 | PerlIO_printf(Perl_debug_log, "PVCV%s\n", s); |
8990e307 LW |
4803 | break; |
4804 | case SVt_PVGV: | |
46fc3d4c | 4805 | PerlIO_printf(Perl_debug_log, "PVGV%s\n", s); |
8990e307 LW |
4806 | break; |
4807 | case SVt_PVFM: | |
46fc3d4c | 4808 | PerlIO_printf(Perl_debug_log, "PVFM%s\n", s); |
8990e307 LW |
4809 | break; |
4810 | case SVt_PVIO: | |
46fc3d4c | 4811 | PerlIO_printf(Perl_debug_log, "PVIO%s\n", s); |
8990e307 LW |
4812 | break; |
4813 | default: | |
46fc3d4c | 4814 | PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", s); |
8990e307 LW |
4815 | return; |
4816 | } | |
4817 | if (type >= SVt_PVIV || type == SVt_IV) | |
760ac839 | 4818 | PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv)); |
bbce6d69 | 4819 | if (type >= SVt_PVNV || type == SVt_NV) { |
36477c24 | 4820 | SET_NUMERIC_STANDARD(); |
760ac839 | 4821 | PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); |
bbce6d69 | 4822 | } |
8990e307 | 4823 | if (SvROK(sv)) { |
760ac839 | 4824 | PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv)); |
8990e307 LW |
4825 | sv_dump(SvRV(sv)); |
4826 | return; | |
4827 | } | |
4828 | if (type < SVt_PV) | |
4829 | return; | |
4830 | if (type <= SVt_PVLV) { | |
4831 | if (SvPVX(sv)) | |
760ac839 | 4832 | PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", |
a0d0e21e | 4833 | (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); |
8990e307 | 4834 | else |
760ac839 | 4835 | PerlIO_printf(Perl_debug_log, " PV = 0\n"); |
8990e307 LW |
4836 | } |
4837 | if (type >= SVt_PVMG) { | |
4838 | if (SvMAGIC(sv)) { | |
760ac839 | 4839 | PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); |
8990e307 LW |
4840 | } |
4841 | if (SvSTASH(sv)) | |
760ac839 | 4842 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv))); |
8990e307 LW |
4843 | } |
4844 | switch (type) { | |
4845 | case SVt_PVLV: | |
760ac839 LW |
4846 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv)); |
4847 | PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); | |
4848 | PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); | |
4849 | PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv)); | |
8990e307 LW |
4850 | sv_dump(LvTARG(sv)); |
4851 | break; | |
4852 | case SVt_PVAV: | |
760ac839 LW |
4853 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); |
4854 | PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); | |
4855 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv)); | |
4856 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv)); | |
4857 | PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); | |
4633a7c4 | 4858 | flags = AvFLAGS(sv); |
46fc3d4c | 4859 | sv_setpv(d, ""); |
4860 | if (flags & AVf_REAL) sv_catpv(d, ",REAL"); | |
4861 | if (flags & AVf_REIFY) sv_catpv(d, ",REIFY"); | |
4862 | if (flags & AVf_REUSED) sv_catpv(d, ",REUSED"); | |
4863 | PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", | |
4864 | SvCUR(d) ? SvPVX(d) + 1 : ""); | |
8990e307 LW |
4865 | break; |
4866 | case SVt_PVHV: | |
760ac839 LW |
4867 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); |
4868 | PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv)); | |
4869 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv)); | |
4870 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv)); | |
4871 | PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv)); | |
4872 | PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv)); | |
8990e307 | 4873 | if (HvPMROOT(sv)) |
760ac839 | 4874 | PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); |
8990e307 | 4875 | if (HvNAME(sv)) |
760ac839 | 4876 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv)); |
8990e307 | 4877 | break; |
8990e307 | 4878 | case SVt_PVCV: |
1edc1566 | 4879 | if (SvPOK(sv)) |
760ac839 | 4880 | PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na)); |
fa83b5b6 | 4881 | /* FALL THROUGH */ |
4882 | case SVt_PVFM: | |
760ac839 LW |
4883 | PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv)); |
4884 | PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv)); | |
4885 | PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv)); | |
4886 | PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); | |
4887 | PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); | |
d1bf51dd | 4888 | PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv)); |
1edc1566 | 4889 | if (CvGV(sv) && GvNAME(CvGV(sv))) { |
d1bf51dd | 4890 | PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv))); |
1edc1566 | 4891 | } else { |
d1bf51dd | 4892 | PerlIO_printf(Perl_debug_log, "\n"); |
1edc1566 | 4893 | } |
760ac839 LW |
4894 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); |
4895 | PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv)); | |
4896 | PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); | |
4897 | PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); | |
11343788 | 4898 | #ifdef USE_THREADS |
5dc0d613 MB |
4899 | PerlIO_printf(Perl_debug_log, " MUTEXP = 0x%lx\n", (long)CvMUTEXP(sv)); |
4900 | PerlIO_printf(Perl_debug_log, " CONDP = 0x%lx\n", (long)CvCONDP(sv)); | |
4901 | PerlIO_printf(Perl_debug_log, " OWNER = 0x%lx\n", (long)CvOWNER(sv)); | |
11343788 | 4902 | #endif /* USE_THREADS */ |
8990e307 | 4903 | if (type == SVt_PVFM) |
760ac839 | 4904 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv)); |
8990e307 LW |
4905 | break; |
4906 | case SVt_PVGV: | |
760ac839 LW |
4907 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv)); |
4908 | PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); | |
4909 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv))); | |
4910 | PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv)); | |
4911 | PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv)); | |
4912 | PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv)); | |
4913 | PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv)); | |
4914 | PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv)); | |
4915 | PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv)); | |
4916 | PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv)); | |
4917 | PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv)); | |
4918 | PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); | |
4919 | PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); | |
4920 | PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv)); | |
55497cff | 4921 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv)); |
760ac839 | 4922 | PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv)); |
8990e307 LW |
4923 | break; |
4924 | case SVt_PVIO: | |
760ac839 LW |
4925 | PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv)); |
4926 | PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv)); | |
4927 | PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); | |
4928 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv)); | |
4929 | PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv)); | |
4930 | PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); | |
4931 | PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); | |
4932 | PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv)); | |
4933 | PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); | |
4934 | PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv)); | |
4935 | PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); | |
4936 | PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv)); | |
4937 | PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); | |
4938 | PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); | |
4939 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv)); | |
4940 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); | |
8990e307 LW |
4941 | break; |
4942 | } | |
4943 | } | |
2304df62 AD |
4944 | #else |
4945 | void | |
4946 | sv_dump(sv) | |
4947 | SV* sv; | |
4948 | { | |
4949 | } | |
8990e307 | 4950 | #endif |