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 LW |
59 | static void sv_unglob _((SV* sv)); |
60 | ||
4561caa4 CS |
61 | typedef void (*SVFUNC) _((SV*)); |
62 | ||
a0d0e21e | 63 | #ifdef PURIFY |
79072805 | 64 | |
4561caa4 CS |
65 | #define new_SV(p) \ |
66 | do { \ | |
67 | (p) = (SV*)safemalloc(sizeof(SV)); \ | |
68 | reg_add(p); \ | |
69 | } while (0) | |
70 | ||
71 | #define del_SV(p) \ | |
72 | do { \ | |
73 | reg_remove(p); \ | |
74 | free((char*)(p)); \ | |
75 | } while (0) | |
76 | ||
77 | static SV **registry; | |
78 | static I32 regsize; | |
79 | ||
80 | #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size)) | |
81 | ||
82 | #define REG_REPLACE(sv,a,b) \ | |
83 | do { \ | |
84 | void* p = sv->sv_any; \ | |
85 | I32 h = REGHASH(sv, regsize); \ | |
86 | I32 i = h; \ | |
87 | while (registry[i] != (a)) { \ | |
88 | if (++i >= regsize) \ | |
89 | i = 0; \ | |
90 | if (i == h) \ | |
91 | die("SV registry bug"); \ | |
92 | } \ | |
93 | registry[i] = (b); \ | |
94 | } while (0) | |
95 | ||
96 | #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv) | |
97 | #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv) | |
98 | ||
99 | static void | |
100 | reg_add(sv) | |
101 | SV* sv; | |
102 | { | |
103 | if (sv_count >= (regsize >> 1)) | |
104 | { | |
105 | SV **oldreg = registry; | |
106 | I32 oldsize = regsize; | |
107 | ||
108 | regsize = regsize ? ((regsize << 2) + 1) : 2037; | |
109 | registry = (SV**)safemalloc(regsize * sizeof(SV*)); | |
110 | memzero(registry, regsize * sizeof(SV*)); | |
111 | ||
112 | if (oldreg) { | |
113 | I32 i; | |
114 | ||
115 | for (i = 0; i < oldsize; ++i) { | |
116 | SV* oldsv = oldreg[i]; | |
117 | if (oldsv) | |
118 | REG_ADD(oldsv); | |
119 | } | |
120 | Safefree(oldreg); | |
121 | } | |
122 | } | |
123 | ||
124 | REG_ADD(sv); | |
125 | ++sv_count; | |
126 | } | |
127 | ||
128 | static void | |
129 | reg_remove(sv) | |
130 | SV* sv; | |
131 | { | |
132 | REG_REMOVE(sv); | |
133 | --sv_count; | |
134 | } | |
135 | ||
136 | static void | |
137 | visit(f) | |
138 | SVFUNC f; | |
139 | { | |
140 | I32 i; | |
141 | ||
142 | for (i = 0; i < regsize; ++i) { | |
143 | SV* sv = registry[i]; | |
144 | if (sv) | |
145 | (*f)(sv); | |
146 | } | |
147 | } | |
a0d0e21e | 148 | |
4633a7c4 LW |
149 | void |
150 | sv_add_arena(ptr, size, flags) | |
151 | char* ptr; | |
152 | U32 size; | |
153 | U32 flags; | |
154 | { | |
155 | if (!(flags & SVf_FAKE)) | |
156 | free(ptr); | |
157 | } | |
158 | ||
4561caa4 CS |
159 | #else /* ! PURIFY */ |
160 | ||
161 | /* | |
162 | * "A time to plant, and a time to uproot what was planted..." | |
163 | */ | |
164 | ||
165 | #define plant_SV(p) \ | |
166 | do { \ | |
167 | SvANY(p) = (void *)sv_root; \ | |
168 | SvFLAGS(p) = SVTYPEMASK; \ | |
169 | sv_root = (p); \ | |
170 | --sv_count; \ | |
171 | } while (0) | |
a0d0e21e | 172 | |
fc36a67e | 173 | #define uproot_SV(p) \ |
4561caa4 CS |
174 | do { \ |
175 | (p) = sv_root; \ | |
176 | sv_root = (SV*)SvANY(p); \ | |
a0d0e21e | 177 | ++sv_count; \ |
4561caa4 | 178 | } while (0) |
463ee0b2 | 179 | |
4561caa4 CS |
180 | #define new_SV(p) \ |
181 | if (sv_root) \ | |
182 | uproot_SV(p); \ | |
183 | else \ | |
184 | (p) = more_sv() | |
463ee0b2 | 185 | |
a0d0e21e | 186 | #ifdef DEBUGGING |
4561caa4 | 187 | |
a0d0e21e LW |
188 | #define del_SV(p) \ |
189 | if (debug & 32768) \ | |
190 | del_sv(p); \ | |
4561caa4 CS |
191 | else \ |
192 | plant_SV(p) | |
a0d0e21e | 193 | |
463ee0b2 LW |
194 | static void |
195 | del_sv(p) | |
196 | SV* p; | |
197 | { | |
a0d0e21e | 198 | if (debug & 32768) { |
4633a7c4 | 199 | SV* sva; |
a0d0e21e LW |
200 | SV* sv; |
201 | SV* svend; | |
202 | int ok = 0; | |
4633a7c4 LW |
203 | for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { |
204 | sv = sva + 1; | |
205 | svend = &sva[SvREFCNT(sva)]; | |
a0d0e21e LW |
206 | if (p >= sv && p < svend) |
207 | ok = 1; | |
208 | } | |
209 | if (!ok) { | |
210 | warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p); | |
211 | return; | |
212 | } | |
213 | } | |
4561caa4 | 214 | plant_SV(p); |
463ee0b2 | 215 | } |
a0d0e21e | 216 | |
4561caa4 CS |
217 | #else /* ! DEBUGGING */ |
218 | ||
219 | #define del_SV(p) plant_SV(p) | |
220 | ||
221 | #endif /* DEBUGGING */ | |
463ee0b2 | 222 | |
4633a7c4 LW |
223 | void |
224 | sv_add_arena(ptr, size, flags) | |
225 | char* ptr; | |
226 | U32 size; | |
227 | U32 flags; | |
463ee0b2 | 228 | { |
4633a7c4 | 229 | SV* sva = (SV*)ptr; |
463ee0b2 LW |
230 | register SV* sv; |
231 | register SV* svend; | |
4633a7c4 LW |
232 | Zero(sva, size, char); |
233 | ||
234 | /* The first SV in an arena isn't an SV. */ | |
235 | SvANY(sva) = (void *) sv_arenaroot; /* ptr to next arena */ | |
236 | SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */ | |
237 | SvFLAGS(sva) = flags; /* FAKE if not to be freed */ | |
238 | ||
239 | sv_arenaroot = sva; | |
240 | sv_root = sva + 1; | |
241 | ||
242 | svend = &sva[SvREFCNT(sva) - 1]; | |
243 | sv = sva + 1; | |
463ee0b2 | 244 | while (sv < svend) { |
a0d0e21e | 245 | SvANY(sv) = (void *)(SV*)(sv + 1); |
8990e307 | 246 | SvFLAGS(sv) = SVTYPEMASK; |
463ee0b2 LW |
247 | sv++; |
248 | } | |
249 | SvANY(sv) = 0; | |
4633a7c4 LW |
250 | SvFLAGS(sv) = SVTYPEMASK; |
251 | } | |
252 | ||
253 | static SV* | |
254 | more_sv() | |
255 | { | |
4561caa4 CS |
256 | register SV* sv; |
257 | ||
c07a80fd | 258 | if (nice_chunk) { |
259 | sv_add_arena(nice_chunk, nice_chunk_size, 0); | |
260 | nice_chunk = Nullch; | |
261 | } | |
1edc1566 | 262 | else { |
263 | char *chunk; /* must use New here to match call to */ | |
264 | New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */ | |
265 | sv_add_arena(chunk, 1008, 0); | |
266 | } | |
4561caa4 CS |
267 | uproot_SV(sv); |
268 | return sv; | |
463ee0b2 LW |
269 | } |
270 | ||
4561caa4 CS |
271 | static void |
272 | visit(f) | |
273 | SVFUNC f; | |
8990e307 | 274 | { |
4633a7c4 | 275 | SV* sva; |
8990e307 LW |
276 | SV* sv; |
277 | register SV* svend; | |
278 | ||
4561caa4 | 279 | for (sva = sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { |
4633a7c4 | 280 | svend = &sva[SvREFCNT(sva)]; |
4561caa4 CS |
281 | for (sv = sva + 1; sv < svend; ++sv) { |
282 | if (SvTYPE(sv) != SVTYPEMASK) | |
283 | (*f)(sv); | |
8990e307 LW |
284 | } |
285 | } | |
286 | } | |
287 | ||
4561caa4 CS |
288 | #endif /* PURIFY */ |
289 | ||
290 | static void | |
291 | do_report_used(sv) | |
292 | SV* sv; | |
293 | { | |
294 | if (SvTYPE(sv) != SVTYPEMASK) { | |
d1bf51dd | 295 | /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */ |
4561caa4 CS |
296 | PerlIO_printf(PerlIO_stderr(), "****\n"); |
297 | sv_dump(sv); | |
298 | } | |
299 | } | |
300 | ||
8990e307 | 301 | void |
4561caa4 CS |
302 | sv_report_used() |
303 | { | |
304 | visit(do_report_used); | |
305 | } | |
306 | ||
307 | static void | |
308 | do_clean_objs(sv) | |
309 | SV* sv; | |
8990e307 | 310 | { |
a0d0e21e | 311 | SV* rv; |
8990e307 | 312 | |
4561caa4 | 313 | if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { |
d1bf51dd | 314 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));) |
4561caa4 CS |
315 | SvROK_off(sv); |
316 | SvRV(sv) = 0; | |
317 | SvREFCNT_dec(rv); | |
a5f75d66 | 318 | } |
4561caa4 CS |
319 | |
320 | /* XXX Might want to check arrays, etc. */ | |
321 | } | |
322 | ||
323 | #ifndef DISABLE_DESTRUCTOR_KLUDGE | |
324 | static void | |
325 | do_clean_named_objs(sv) | |
326 | SV* sv; | |
327 | { | |
328 | if (SvTYPE(sv) == SVt_PVGV && GvSV(sv)) | |
329 | do_clean_objs(GvSV(sv)); | |
330 | } | |
a5f75d66 | 331 | #endif |
4561caa4 | 332 | |
477f5d66 CS |
333 | static bool in_clean_objs = FALSE; |
334 | ||
4561caa4 CS |
335 | void |
336 | sv_clean_objs() | |
337 | { | |
477f5d66 | 338 | in_clean_objs = TRUE; |
4561caa4 CS |
339 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
340 | visit(do_clean_named_objs); | |
341 | #endif | |
342 | visit(do_clean_objs); | |
477f5d66 | 343 | in_clean_objs = FALSE; |
4561caa4 CS |
344 | } |
345 | ||
346 | static void | |
347 | do_clean_all(sv) | |
348 | SV* sv; | |
349 | { | |
d1bf51dd | 350 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));) |
4561caa4 CS |
351 | SvFLAGS(sv) |= SVf_BREAK; |
352 | SvREFCNT_dec(sv); | |
8990e307 LW |
353 | } |
354 | ||
477f5d66 | 355 | static bool in_clean_all = FALSE; |
1edc1566 | 356 | |
8990e307 | 357 | void |
8990e307 LW |
358 | sv_clean_all() |
359 | { | |
477f5d66 | 360 | in_clean_all = TRUE; |
4561caa4 | 361 | visit(do_clean_all); |
477f5d66 | 362 | in_clean_all = FALSE; |
8990e307 | 363 | } |
463ee0b2 | 364 | |
4633a7c4 LW |
365 | void |
366 | sv_free_arenas() | |
367 | { | |
368 | SV* sva; | |
369 | SV* svanext; | |
370 | ||
371 | /* Free arenas here, but be careful about fake ones. (We assume | |
372 | contiguity of the fake ones with the corresponding real ones.) */ | |
373 | ||
374 | for (sva = sv_arenaroot; sva; sva = svanext) { | |
375 | svanext = (SV*) SvANY(sva); | |
376 | while (svanext && SvFAKE(svanext)) | |
377 | svanext = (SV*) SvANY(svanext); | |
378 | ||
379 | if (!SvFAKE(sva)) | |
1edc1566 | 380 | Safefree((void *)sva); |
4633a7c4 | 381 | } |
5f05dabc | 382 | |
383 | sv_arenaroot = 0; | |
384 | sv_root = 0; | |
4633a7c4 LW |
385 | } |
386 | ||
463ee0b2 LW |
387 | static XPVIV* |
388 | new_xiv() | |
389 | { | |
a0d0e21e | 390 | IV** xiv; |
463ee0b2 LW |
391 | if (xiv_root) { |
392 | xiv = xiv_root; | |
85e6fe83 LW |
393 | /* |
394 | * See comment in more_xiv() -- RAM. | |
395 | */ | |
a0d0e21e | 396 | xiv_root = (IV**)*xiv; |
463ee0b2 LW |
397 | return (XPVIV*)((char*)xiv - sizeof(XPV)); |
398 | } | |
399 | return more_xiv(); | |
400 | } | |
401 | ||
402 | static void | |
403 | del_xiv(p) | |
404 | XPVIV* p; | |
405 | { | |
a0d0e21e LW |
406 | IV** xiv = (IV**)((char*)(p) + sizeof(XPV)); |
407 | *xiv = (IV *)xiv_root; | |
463ee0b2 LW |
408 | xiv_root = xiv; |
409 | } | |
410 | ||
411 | static XPVIV* | |
412 | more_xiv() | |
413 | { | |
a0d0e21e LW |
414 | register IV** xiv; |
415 | register IV** xivend; | |
416 | XPV* ptr = (XPV*)safemalloc(1008); | |
417 | ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */ | |
418 | xiv_arenaroot = ptr; /* to keep Purify happy */ | |
419 | ||
420 | xiv = (IV**) ptr; | |
421 | xivend = &xiv[1008 / sizeof(IV *) - 1]; | |
422 | xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */ | |
463ee0b2 LW |
423 | xiv_root = xiv; |
424 | while (xiv < xivend) { | |
a0d0e21e | 425 | *xiv = (IV *)(xiv + 1); |
463ee0b2 LW |
426 | xiv++; |
427 | } | |
85e6fe83 | 428 | *xiv = 0; |
463ee0b2 LW |
429 | return new_xiv(); |
430 | } | |
431 | ||
463ee0b2 LW |
432 | static XPVNV* |
433 | new_xnv() | |
434 | { | |
435 | double* xnv; | |
436 | if (xnv_root) { | |
437 | xnv = xnv_root; | |
438 | xnv_root = *(double**)xnv; | |
439 | return (XPVNV*)((char*)xnv - sizeof(XPVIV)); | |
440 | } | |
441 | return more_xnv(); | |
442 | } | |
443 | ||
444 | static void | |
445 | del_xnv(p) | |
446 | XPVNV* p; | |
447 | { | |
448 | double* xnv = (double*)((char*)(p) + sizeof(XPVIV)); | |
449 | *(double**)xnv = xnv_root; | |
450 | xnv_root = xnv; | |
451 | } | |
452 | ||
453 | static XPVNV* | |
454 | more_xnv() | |
455 | { | |
463ee0b2 LW |
456 | register double* xnv; |
457 | register double* xnvend; | |
8990e307 | 458 | xnv = (double*)safemalloc(1008); |
463ee0b2 LW |
459 | xnvend = &xnv[1008 / sizeof(double) - 1]; |
460 | xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */ | |
461 | xnv_root = xnv; | |
462 | while (xnv < xnvend) { | |
463 | *(double**)xnv = (double*)(xnv + 1); | |
464 | xnv++; | |
465 | } | |
466 | *(double**)xnv = 0; | |
467 | return new_xnv(); | |
468 | } | |
469 | ||
ed6116ce LW |
470 | static XRV* |
471 | new_xrv() | |
472 | { | |
473 | XRV* xrv; | |
474 | if (xrv_root) { | |
475 | xrv = xrv_root; | |
476 | xrv_root = (XRV*)xrv->xrv_rv; | |
477 | return xrv; | |
478 | } | |
479 | return more_xrv(); | |
480 | } | |
481 | ||
482 | static void | |
483 | del_xrv(p) | |
484 | XRV* p; | |
485 | { | |
486 | p->xrv_rv = (SV*)xrv_root; | |
487 | xrv_root = p; | |
488 | } | |
489 | ||
490 | static XRV* | |
491 | more_xrv() | |
492 | { | |
ed6116ce LW |
493 | register XRV* xrv; |
494 | register XRV* xrvend; | |
8990e307 | 495 | xrv_root = (XRV*)safemalloc(1008); |
ed6116ce LW |
496 | xrv = xrv_root; |
497 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; | |
498 | while (xrv < xrvend) { | |
499 | xrv->xrv_rv = (SV*)(xrv + 1); | |
500 | xrv++; | |
501 | } | |
502 | xrv->xrv_rv = 0; | |
503 | return new_xrv(); | |
504 | } | |
505 | ||
463ee0b2 LW |
506 | static XPV* |
507 | new_xpv() | |
508 | { | |
509 | XPV* xpv; | |
510 | if (xpv_root) { | |
511 | xpv = xpv_root; | |
512 | xpv_root = (XPV*)xpv->xpv_pv; | |
513 | return xpv; | |
514 | } | |
515 | return more_xpv(); | |
516 | } | |
517 | ||
518 | static void | |
519 | del_xpv(p) | |
520 | XPV* p; | |
521 | { | |
522 | p->xpv_pv = (char*)xpv_root; | |
523 | xpv_root = p; | |
524 | } | |
525 | ||
526 | static XPV* | |
527 | more_xpv() | |
528 | { | |
463ee0b2 LW |
529 | register XPV* xpv; |
530 | register XPV* xpvend; | |
8990e307 | 531 | xpv_root = (XPV*)safemalloc(1008); |
463ee0b2 LW |
532 | xpv = xpv_root; |
533 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; | |
534 | while (xpv < xpvend) { | |
535 | xpv->xpv_pv = (char*)(xpv + 1); | |
536 | xpv++; | |
537 | } | |
538 | xpv->xpv_pv = 0; | |
539 | return new_xpv(); | |
540 | } | |
541 | ||
542 | #ifdef PURIFY | |
8990e307 | 543 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
463ee0b2 LW |
544 | #define del_XIV(p) free((char*)p) |
545 | #else | |
85e6fe83 | 546 | #define new_XIV() (void*)new_xiv() |
463ee0b2 LW |
547 | #define del_XIV(p) del_xiv(p) |
548 | #endif | |
549 | ||
550 | #ifdef PURIFY | |
8990e307 | 551 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
463ee0b2 LW |
552 | #define del_XNV(p) free((char*)p) |
553 | #else | |
85e6fe83 | 554 | #define new_XNV() (void*)new_xnv() |
463ee0b2 LW |
555 | #define del_XNV(p) del_xnv(p) |
556 | #endif | |
557 | ||
558 | #ifdef PURIFY | |
8990e307 | 559 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
ed6116ce LW |
560 | #define del_XRV(p) free((char*)p) |
561 | #else | |
85e6fe83 | 562 | #define new_XRV() (void*)new_xrv() |
ed6116ce LW |
563 | #define del_XRV(p) del_xrv(p) |
564 | #endif | |
565 | ||
566 | #ifdef PURIFY | |
8990e307 | 567 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
463ee0b2 LW |
568 | #define del_XPV(p) free((char*)p) |
569 | #else | |
85e6fe83 | 570 | #define new_XPV() (void*)new_xpv() |
463ee0b2 LW |
571 | #define del_XPV(p) del_xpv(p) |
572 | #endif | |
573 | ||
8990e307 | 574 | #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV)) |
463ee0b2 LW |
575 | #define del_XPVIV(p) free((char*)p) |
576 | ||
8990e307 | 577 | #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV)) |
463ee0b2 LW |
578 | #define del_XPVNV(p) free((char*)p) |
579 | ||
8990e307 | 580 | #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG)) |
463ee0b2 LW |
581 | #define del_XPVMG(p) free((char*)p) |
582 | ||
8990e307 | 583 | #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV)) |
463ee0b2 LW |
584 | #define del_XPVLV(p) free((char*)p) |
585 | ||
8990e307 | 586 | #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV)) |
463ee0b2 LW |
587 | #define del_XPVAV(p) free((char*)p) |
588 | ||
8990e307 | 589 | #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV)) |
463ee0b2 LW |
590 | #define del_XPVHV(p) free((char*)p) |
591 | ||
8990e307 | 592 | #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV)) |
463ee0b2 LW |
593 | #define del_XPVCV(p) free((char*)p) |
594 | ||
8990e307 | 595 | #define new_XPVGV() (void*)safemalloc(sizeof(XPVGV)) |
463ee0b2 LW |
596 | #define del_XPVGV(p) free((char*)p) |
597 | ||
8990e307 | 598 | #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM)) |
463ee0b2 LW |
599 | #define del_XPVBM(p) free((char*)p) |
600 | ||
8990e307 | 601 | #define new_XPVFM() (void*)safemalloc(sizeof(XPVFM)) |
463ee0b2 LW |
602 | #define del_XPVFM(p) free((char*)p) |
603 | ||
8990e307 LW |
604 | #define new_XPVIO() (void*)safemalloc(sizeof(XPVIO)) |
605 | #define del_XPVIO(p) free((char*)p) | |
606 | ||
79072805 LW |
607 | bool |
608 | sv_upgrade(sv, mt) | |
609 | register SV* sv; | |
610 | U32 mt; | |
611 | { | |
612 | char* pv; | |
613 | U32 cur; | |
614 | U32 len; | |
a0d0e21e | 615 | IV iv; |
79072805 LW |
616 | double nv; |
617 | MAGIC* magic; | |
618 | HV* stash; | |
619 | ||
620 | if (SvTYPE(sv) == mt) | |
621 | return TRUE; | |
622 | ||
a5f75d66 AD |
623 | if (mt < SVt_PVIV) |
624 | (void)SvOOK_off(sv); | |
625 | ||
79072805 LW |
626 | switch (SvTYPE(sv)) { |
627 | case SVt_NULL: | |
628 | pv = 0; | |
629 | cur = 0; | |
630 | len = 0; | |
631 | iv = 0; | |
632 | nv = 0.0; | |
633 | magic = 0; | |
634 | stash = 0; | |
635 | break; | |
79072805 LW |
636 | case SVt_IV: |
637 | pv = 0; | |
638 | cur = 0; | |
639 | len = 0; | |
463ee0b2 LW |
640 | iv = SvIVX(sv); |
641 | nv = (double)SvIVX(sv); | |
79072805 LW |
642 | del_XIV(SvANY(sv)); |
643 | magic = 0; | |
644 | stash = 0; | |
ed6116ce | 645 | if (mt == SVt_NV) |
463ee0b2 | 646 | mt = SVt_PVNV; |
ed6116ce LW |
647 | else if (mt < SVt_PVIV) |
648 | mt = SVt_PVIV; | |
79072805 LW |
649 | break; |
650 | case SVt_NV: | |
651 | pv = 0; | |
652 | cur = 0; | |
653 | len = 0; | |
463ee0b2 | 654 | nv = SvNVX(sv); |
ed6116ce | 655 | iv = I_32(nv); |
79072805 LW |
656 | magic = 0; |
657 | stash = 0; | |
658 | del_XNV(SvANY(sv)); | |
659 | SvANY(sv) = 0; | |
ed6116ce | 660 | if (mt < SVt_PVNV) |
79072805 LW |
661 | mt = SVt_PVNV; |
662 | break; | |
ed6116ce LW |
663 | case SVt_RV: |
664 | pv = (char*)SvRV(sv); | |
665 | cur = 0; | |
666 | len = 0; | |
a0d0e21e | 667 | iv = (IV)pv; |
ed6116ce LW |
668 | nv = (double)(unsigned long)pv; |
669 | del_XRV(SvANY(sv)); | |
670 | magic = 0; | |
671 | stash = 0; | |
672 | break; | |
79072805 | 673 | case SVt_PV: |
463ee0b2 | 674 | pv = SvPVX(sv); |
79072805 LW |
675 | cur = SvCUR(sv); |
676 | len = SvLEN(sv); | |
677 | iv = 0; | |
678 | nv = 0.0; | |
679 | magic = 0; | |
680 | stash = 0; | |
681 | del_XPV(SvANY(sv)); | |
748a9306 LW |
682 | if (mt <= SVt_IV) |
683 | mt = SVt_PVIV; | |
684 | else if (mt == SVt_NV) | |
685 | mt = SVt_PVNV; | |
79072805 LW |
686 | break; |
687 | case SVt_PVIV: | |
463ee0b2 | 688 | pv = SvPVX(sv); |
79072805 LW |
689 | cur = SvCUR(sv); |
690 | len = SvLEN(sv); | |
463ee0b2 | 691 | iv = SvIVX(sv); |
79072805 LW |
692 | nv = 0.0; |
693 | magic = 0; | |
694 | stash = 0; | |
695 | del_XPVIV(SvANY(sv)); | |
696 | break; | |
697 | case SVt_PVNV: | |
463ee0b2 | 698 | pv = SvPVX(sv); |
79072805 LW |
699 | cur = SvCUR(sv); |
700 | len = SvLEN(sv); | |
463ee0b2 LW |
701 | iv = SvIVX(sv); |
702 | nv = SvNVX(sv); | |
79072805 LW |
703 | magic = 0; |
704 | stash = 0; | |
705 | del_XPVNV(SvANY(sv)); | |
706 | break; | |
707 | case SVt_PVMG: | |
463ee0b2 | 708 | pv = SvPVX(sv); |
79072805 LW |
709 | cur = SvCUR(sv); |
710 | len = SvLEN(sv); | |
463ee0b2 LW |
711 | iv = SvIVX(sv); |
712 | nv = SvNVX(sv); | |
79072805 LW |
713 | magic = SvMAGIC(sv); |
714 | stash = SvSTASH(sv); | |
715 | del_XPVMG(SvANY(sv)); | |
716 | break; | |
717 | default: | |
463ee0b2 | 718 | croak("Can't upgrade that kind of scalar"); |
79072805 LW |
719 | } |
720 | ||
721 | switch (mt) { | |
722 | case SVt_NULL: | |
463ee0b2 | 723 | croak("Can't upgrade to undef"); |
79072805 LW |
724 | case SVt_IV: |
725 | SvANY(sv) = new_XIV(); | |
463ee0b2 | 726 | SvIVX(sv) = iv; |
79072805 LW |
727 | break; |
728 | case SVt_NV: | |
729 | SvANY(sv) = new_XNV(); | |
463ee0b2 | 730 | SvNVX(sv) = nv; |
79072805 | 731 | break; |
ed6116ce LW |
732 | case SVt_RV: |
733 | SvANY(sv) = new_XRV(); | |
734 | SvRV(sv) = (SV*)pv; | |
ed6116ce | 735 | break; |
79072805 LW |
736 | case SVt_PV: |
737 | SvANY(sv) = new_XPV(); | |
463ee0b2 | 738 | SvPVX(sv) = pv; |
79072805 LW |
739 | SvCUR(sv) = cur; |
740 | SvLEN(sv) = len; | |
741 | break; | |
742 | case SVt_PVIV: | |
743 | SvANY(sv) = new_XPVIV(); | |
463ee0b2 | 744 | SvPVX(sv) = pv; |
79072805 LW |
745 | SvCUR(sv) = cur; |
746 | SvLEN(sv) = len; | |
463ee0b2 | 747 | SvIVX(sv) = iv; |
79072805 | 748 | if (SvNIOK(sv)) |
a0d0e21e | 749 | (void)SvIOK_on(sv); |
79072805 LW |
750 | SvNOK_off(sv); |
751 | break; | |
752 | case SVt_PVNV: | |
753 | SvANY(sv) = new_XPVNV(); | |
463ee0b2 | 754 | SvPVX(sv) = pv; |
79072805 LW |
755 | SvCUR(sv) = cur; |
756 | SvLEN(sv) = len; | |
463ee0b2 LW |
757 | SvIVX(sv) = iv; |
758 | SvNVX(sv) = nv; | |
79072805 LW |
759 | break; |
760 | case SVt_PVMG: | |
761 | SvANY(sv) = new_XPVMG(); | |
463ee0b2 | 762 | SvPVX(sv) = pv; |
79072805 LW |
763 | SvCUR(sv) = cur; |
764 | SvLEN(sv) = len; | |
463ee0b2 LW |
765 | SvIVX(sv) = iv; |
766 | SvNVX(sv) = nv; | |
79072805 LW |
767 | SvMAGIC(sv) = magic; |
768 | SvSTASH(sv) = stash; | |
769 | break; | |
770 | case SVt_PVLV: | |
771 | SvANY(sv) = new_XPVLV(); | |
463ee0b2 | 772 | SvPVX(sv) = pv; |
79072805 LW |
773 | SvCUR(sv) = cur; |
774 | SvLEN(sv) = len; | |
463ee0b2 LW |
775 | SvIVX(sv) = iv; |
776 | SvNVX(sv) = nv; | |
79072805 LW |
777 | SvMAGIC(sv) = magic; |
778 | SvSTASH(sv) = stash; | |
779 | LvTARGOFF(sv) = 0; | |
780 | LvTARGLEN(sv) = 0; | |
781 | LvTARG(sv) = 0; | |
782 | LvTYPE(sv) = 0; | |
783 | break; | |
784 | case SVt_PVAV: | |
785 | SvANY(sv) = new_XPVAV(); | |
463ee0b2 LW |
786 | if (pv) |
787 | Safefree(pv); | |
2304df62 | 788 | SvPVX(sv) = 0; |
d1bf51dd CS |
789 | AvMAX(sv) = -1; |
790 | AvFILL(sv) = -1; | |
463ee0b2 LW |
791 | SvIVX(sv) = 0; |
792 | SvNVX(sv) = 0.0; | |
793 | SvMAGIC(sv) = magic; | |
794 | SvSTASH(sv) = stash; | |
795 | AvALLOC(sv) = 0; | |
79072805 LW |
796 | AvARYLEN(sv) = 0; |
797 | AvFLAGS(sv) = 0; | |
798 | break; | |
799 | case SVt_PVHV: | |
800 | SvANY(sv) = new_XPVHV(); | |
463ee0b2 LW |
801 | if (pv) |
802 | Safefree(pv); | |
803 | SvPVX(sv) = 0; | |
804 | HvFILL(sv) = 0; | |
805 | HvMAX(sv) = 0; | |
806 | HvKEYS(sv) = 0; | |
807 | SvNVX(sv) = 0.0; | |
79072805 LW |
808 | SvMAGIC(sv) = magic; |
809 | SvSTASH(sv) = stash; | |
79072805 LW |
810 | HvRITER(sv) = 0; |
811 | HvEITER(sv) = 0; | |
812 | HvPMROOT(sv) = 0; | |
813 | HvNAME(sv) = 0; | |
79072805 LW |
814 | break; |
815 | case SVt_PVCV: | |
816 | SvANY(sv) = new_XPVCV(); | |
748a9306 | 817 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 | 818 | SvPVX(sv) = pv; |
79072805 LW |
819 | SvCUR(sv) = cur; |
820 | SvLEN(sv) = len; | |
463ee0b2 LW |
821 | SvIVX(sv) = iv; |
822 | SvNVX(sv) = nv; | |
79072805 LW |
823 | SvMAGIC(sv) = magic; |
824 | SvSTASH(sv) = stash; | |
79072805 LW |
825 | break; |
826 | case SVt_PVGV: | |
827 | SvANY(sv) = new_XPVGV(); | |
463ee0b2 | 828 | SvPVX(sv) = pv; |
79072805 LW |
829 | SvCUR(sv) = cur; |
830 | SvLEN(sv) = len; | |
463ee0b2 LW |
831 | SvIVX(sv) = iv; |
832 | SvNVX(sv) = nv; | |
79072805 LW |
833 | SvMAGIC(sv) = magic; |
834 | SvSTASH(sv) = stash; | |
93a17b20 | 835 | GvGP(sv) = 0; |
79072805 LW |
836 | GvNAME(sv) = 0; |
837 | GvNAMELEN(sv) = 0; | |
838 | GvSTASH(sv) = 0; | |
a5f75d66 | 839 | GvFLAGS(sv) = 0; |
79072805 LW |
840 | break; |
841 | case SVt_PVBM: | |
842 | SvANY(sv) = new_XPVBM(); | |
463ee0b2 | 843 | SvPVX(sv) = pv; |
79072805 LW |
844 | SvCUR(sv) = cur; |
845 | SvLEN(sv) = len; | |
463ee0b2 LW |
846 | SvIVX(sv) = iv; |
847 | SvNVX(sv) = nv; | |
79072805 LW |
848 | SvMAGIC(sv) = magic; |
849 | SvSTASH(sv) = stash; | |
850 | BmRARE(sv) = 0; | |
851 | BmUSEFUL(sv) = 0; | |
852 | BmPREVIOUS(sv) = 0; | |
853 | break; | |
854 | case SVt_PVFM: | |
855 | SvANY(sv) = new_XPVFM(); | |
748a9306 | 856 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 | 857 | SvPVX(sv) = pv; |
79072805 LW |
858 | SvCUR(sv) = cur; |
859 | SvLEN(sv) = len; | |
463ee0b2 LW |
860 | SvIVX(sv) = iv; |
861 | SvNVX(sv) = nv; | |
79072805 LW |
862 | SvMAGIC(sv) = magic; |
863 | SvSTASH(sv) = stash; | |
79072805 | 864 | break; |
8990e307 LW |
865 | case SVt_PVIO: |
866 | SvANY(sv) = new_XPVIO(); | |
748a9306 | 867 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 LW |
868 | SvPVX(sv) = pv; |
869 | SvCUR(sv) = cur; | |
870 | SvLEN(sv) = len; | |
871 | SvIVX(sv) = iv; | |
872 | SvNVX(sv) = nv; | |
873 | SvMAGIC(sv) = magic; | |
874 | SvSTASH(sv) = stash; | |
85e6fe83 | 875 | IoPAGE_LEN(sv) = 60; |
8990e307 LW |
876 | break; |
877 | } | |
878 | SvFLAGS(sv) &= ~SVTYPEMASK; | |
879 | SvFLAGS(sv) |= mt; | |
79072805 LW |
880 | return TRUE; |
881 | } | |
882 | ||
a0d0e21e | 883 | #ifdef DEBUGGING |
79072805 LW |
884 | char * |
885 | sv_peek(sv) | |
886 | register SV *sv; | |
887 | { | |
46fc3d4c | 888 | SV *t = sv_newmortal(); |
889 | STRLEN prevlen; | |
a0d0e21e | 890 | int unref = 0; |
79072805 | 891 | |
2b98c477 | 892 | sv_setpvn(t, "", 0); |
79072805 LW |
893 | retry: |
894 | if (!sv) { | |
46fc3d4c | 895 | sv_catpv(t, "VOID"); |
a0d0e21e | 896 | goto finish; |
79072805 LW |
897 | } |
898 | else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { | |
46fc3d4c | 899 | sv_catpv(t, "WILD"); |
a0d0e21e LW |
900 | goto finish; |
901 | } | |
902 | else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) { | |
903 | if (sv == &sv_undef) { | |
46fc3d4c | 904 | sv_catpv(t, "SV_UNDEF"); |
a0d0e21e LW |
905 | if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT| |
906 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
907 | SvREADONLY(sv)) | |
908 | goto finish; | |
909 | } | |
910 | else if (sv == &sv_no) { | |
46fc3d4c | 911 | sv_catpv(t, "SV_NO"); |
a0d0e21e LW |
912 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
913 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
914 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
915 | SVp_POK|SVp_NOK)) && | |
916 | SvCUR(sv) == 0 && | |
917 | SvNVX(sv) == 0.0) | |
918 | goto finish; | |
919 | } | |
920 | else { | |
46fc3d4c | 921 | sv_catpv(t, "SV_YES"); |
a0d0e21e LW |
922 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
923 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
924 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
925 | SVp_POK|SVp_NOK)) && | |
926 | SvCUR(sv) == 1 && | |
927 | SvPVX(sv) && *SvPVX(sv) == '1' && | |
928 | SvNVX(sv) == 1.0) | |
929 | goto finish; | |
930 | } | |
46fc3d4c | 931 | sv_catpv(t, ":"); |
79072805 | 932 | } |
a0d0e21e | 933 | else if (SvREFCNT(sv) == 0) { |
46fc3d4c | 934 | sv_catpv(t, "("); |
a0d0e21e | 935 | unref++; |
79072805 | 936 | } |
a0d0e21e | 937 | if (SvROK(sv)) { |
46fc3d4c | 938 | sv_catpv(t, "\\"); |
939 | if (SvCUR(t) + unref > 10) { | |
940 | SvCUR(t) = unref + 3; | |
941 | *SvEND(t) = '\0'; | |
942 | sv_catpv(t, "..."); | |
a0d0e21e | 943 | goto finish; |
79072805 | 944 | } |
a0d0e21e LW |
945 | sv = (SV*)SvRV(sv); |
946 | goto retry; | |
947 | } | |
948 | switch (SvTYPE(sv)) { | |
949 | default: | |
46fc3d4c | 950 | sv_catpv(t, "FREED"); |
a0d0e21e LW |
951 | goto finish; |
952 | ||
953 | case SVt_NULL: | |
46fc3d4c | 954 | sv_catpv(t, "UNDEF"); |
a0d0e21e LW |
955 | return tokenbuf; |
956 | case SVt_IV: | |
46fc3d4c | 957 | sv_catpv(t, "IV"); |
a0d0e21e LW |
958 | break; |
959 | case SVt_NV: | |
46fc3d4c | 960 | sv_catpv(t, "NV"); |
a0d0e21e LW |
961 | break; |
962 | case SVt_RV: | |
46fc3d4c | 963 | sv_catpv(t, "RV"); |
a0d0e21e LW |
964 | break; |
965 | case SVt_PV: | |
46fc3d4c | 966 | sv_catpv(t, "PV"); |
a0d0e21e LW |
967 | break; |
968 | case SVt_PVIV: | |
46fc3d4c | 969 | sv_catpv(t, "PVIV"); |
a0d0e21e LW |
970 | break; |
971 | case SVt_PVNV: | |
46fc3d4c | 972 | sv_catpv(t, "PVNV"); |
a0d0e21e LW |
973 | break; |
974 | case SVt_PVMG: | |
46fc3d4c | 975 | sv_catpv(t, "PVMG"); |
a0d0e21e LW |
976 | break; |
977 | case SVt_PVLV: | |
46fc3d4c | 978 | sv_catpv(t, "PVLV"); |
a0d0e21e LW |
979 | break; |
980 | case SVt_PVAV: | |
46fc3d4c | 981 | sv_catpv(t, "AV"); |
a0d0e21e LW |
982 | break; |
983 | case SVt_PVHV: | |
46fc3d4c | 984 | sv_catpv(t, "HV"); |
a0d0e21e LW |
985 | break; |
986 | case SVt_PVCV: | |
987 | if (CvGV(sv)) | |
46fc3d4c | 988 | sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv))); |
a0d0e21e | 989 | else |
46fc3d4c | 990 | sv_catpv(t, "CV()"); |
a0d0e21e LW |
991 | goto finish; |
992 | case SVt_PVGV: | |
46fc3d4c | 993 | sv_catpv(t, "GV"); |
a0d0e21e LW |
994 | break; |
995 | case SVt_PVBM: | |
46fc3d4c | 996 | sv_catpv(t, "BM"); |
a0d0e21e LW |
997 | break; |
998 | case SVt_PVFM: | |
46fc3d4c | 999 | sv_catpv(t, "FM"); |
a0d0e21e LW |
1000 | break; |
1001 | case SVt_PVIO: | |
46fc3d4c | 1002 | sv_catpv(t, "IO"); |
a0d0e21e | 1003 | break; |
79072805 | 1004 | } |
79072805 | 1005 | |
a0d0e21e | 1006 | if (SvPOKp(sv)) { |
463ee0b2 | 1007 | if (!SvPVX(sv)) |
46fc3d4c | 1008 | sv_catpv(t, "(null)"); |
79072805 | 1009 | if (SvOOK(sv)) |
46fc3d4c | 1010 | sv_catpvf(t, "(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); |
79072805 | 1011 | else |
46fc3d4c | 1012 | sv_catpvf(t, "(\"%.127s\")",SvPVX(sv)); |
79072805 | 1013 | } |
bbce6d69 | 1014 | else if (SvNOKp(sv)) { |
36477c24 | 1015 | SET_NUMERIC_STANDARD(); |
46fc3d4c | 1016 | sv_catpvf(t, "(%g)",SvNVX(sv)); |
bbce6d69 | 1017 | } |
a0d0e21e | 1018 | else if (SvIOKp(sv)) |
46fc3d4c | 1019 | sv_catpvf(t, "(%ld)",(long)SvIVX(sv)); |
79072805 | 1020 | else |
46fc3d4c | 1021 | sv_catpv(t, "()"); |
a0d0e21e LW |
1022 | |
1023 | finish: | |
1024 | if (unref) { | |
a0d0e21e | 1025 | while (unref--) |
46fc3d4c | 1026 | sv_catpv(t, ")"); |
a0d0e21e | 1027 | } |
46fc3d4c | 1028 | return SvPV(t, na); |
79072805 | 1029 | } |
a0d0e21e | 1030 | #endif |
79072805 LW |
1031 | |
1032 | int | |
1033 | sv_backoff(sv) | |
1034 | register SV *sv; | |
1035 | { | |
1036 | assert(SvOOK(sv)); | |
463ee0b2 LW |
1037 | if (SvIVX(sv)) { |
1038 | char *s = SvPVX(sv); | |
1039 | SvLEN(sv) += SvIVX(sv); | |
1040 | SvPVX(sv) -= SvIVX(sv); | |
79072805 | 1041 | SvIV_set(sv, 0); |
463ee0b2 | 1042 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 LW |
1043 | } |
1044 | SvFLAGS(sv) &= ~SVf_OOK; | |
a0d0e21e | 1045 | return 0; |
79072805 LW |
1046 | } |
1047 | ||
1048 | char * | |
1049 | sv_grow(sv,newlen) | |
1050 | register SV *sv; | |
1051 | #ifndef DOSISH | |
1052 | register I32 newlen; | |
1053 | #else | |
1054 | unsigned long newlen; | |
1055 | #endif | |
1056 | { | |
1057 | register char *s; | |
1058 | ||
55497cff | 1059 | #ifdef HAS_64K_LIMIT |
79072805 | 1060 | if (newlen >= 0x10000) { |
d1bf51dd | 1061 | PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen); |
79072805 LW |
1062 | my_exit(1); |
1063 | } | |
55497cff | 1064 | #endif /* HAS_64K_LIMIT */ |
a0d0e21e LW |
1065 | if (SvROK(sv)) |
1066 | sv_unref(sv); | |
79072805 LW |
1067 | if (SvTYPE(sv) < SVt_PV) { |
1068 | sv_upgrade(sv, SVt_PV); | |
463ee0b2 | 1069 | s = SvPVX(sv); |
79072805 LW |
1070 | } |
1071 | else if (SvOOK(sv)) { /* pv is offset? */ | |
1072 | sv_backoff(sv); | |
463ee0b2 | 1073 | s = SvPVX(sv); |
79072805 LW |
1074 | if (newlen > SvLEN(sv)) |
1075 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ | |
1076 | } | |
1077 | else | |
463ee0b2 | 1078 | s = SvPVX(sv); |
79072805 | 1079 | if (newlen > SvLEN(sv)) { /* need more room? */ |
85e6fe83 | 1080 | if (SvLEN(sv) && s) |
79072805 LW |
1081 | Renew(s,newlen,char); |
1082 | else | |
1083 | New(703,s,newlen,char); | |
1084 | SvPV_set(sv, s); | |
1085 | SvLEN_set(sv, newlen); | |
1086 | } | |
1087 | return s; | |
1088 | } | |
1089 | ||
1090 | void | |
1091 | sv_setiv(sv,i) | |
1092 | register SV *sv; | |
a0d0e21e | 1093 | IV i; |
79072805 | 1094 | { |
ed6116ce | 1095 | if (SvTHINKFIRST(sv)) { |
8990e307 | 1096 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce LW |
1097 | croak(no_modify); |
1098 | if (SvROK(sv)) | |
1099 | sv_unref(sv); | |
1100 | } | |
463ee0b2 LW |
1101 | switch (SvTYPE(sv)) { |
1102 | case SVt_NULL: | |
79072805 | 1103 | sv_upgrade(sv, SVt_IV); |
463ee0b2 LW |
1104 | break; |
1105 | case SVt_NV: | |
1106 | sv_upgrade(sv, SVt_PVNV); | |
1107 | break; | |
ed6116ce | 1108 | case SVt_RV: |
463ee0b2 | 1109 | case SVt_PV: |
79072805 | 1110 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 | 1111 | break; |
a0d0e21e LW |
1112 | |
1113 | case SVt_PVGV: | |
1114 | if (SvFAKE(sv)) { | |
1115 | sv_unglob(sv); | |
1116 | break; | |
1117 | } | |
1118 | /* FALL THROUGH */ | |
1119 | case SVt_PVAV: | |
1120 | case SVt_PVHV: | |
1121 | case SVt_PVCV: | |
1122 | case SVt_PVFM: | |
1123 | case SVt_PVIO: | |
1124 | croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), | |
c635e13b | 1125 | op_desc[op->op_type]); |
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 | { | |
ed6116ce | 1148 | if (SvTHINKFIRST(sv)) { |
8990e307 | 1149 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce LW |
1150 | croak(no_modify); |
1151 | if (SvROK(sv)) | |
1152 | sv_unref(sv); | |
1153 | } | |
a0d0e21e LW |
1154 | switch (SvTYPE(sv)) { |
1155 | case SVt_NULL: | |
1156 | case SVt_IV: | |
79072805 | 1157 | sv_upgrade(sv, SVt_NV); |
a0d0e21e LW |
1158 | break; |
1159 | case SVt_NV: | |
1160 | case SVt_RV: | |
1161 | case SVt_PV: | |
1162 | case SVt_PVIV: | |
79072805 | 1163 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e LW |
1164 | /* FALL THROUGH */ |
1165 | case SVt_PVNV: | |
1166 | case SVt_PVMG: | |
1167 | case SVt_PVBM: | |
1168 | case SVt_PVLV: | |
1169 | if (SvOOK(sv)) | |
1170 | (void)SvOOK_off(sv); | |
1171 | break; | |
1172 | case SVt_PVGV: | |
1173 | if (SvFAKE(sv)) { | |
1174 | sv_unglob(sv); | |
1175 | break; | |
1176 | } | |
1177 | /* FALL THROUGH */ | |
1178 | case SVt_PVAV: | |
1179 | case SVt_PVHV: | |
1180 | case SVt_PVCV: | |
1181 | case SVt_PVFM: | |
1182 | case SVt_PVIO: | |
1183 | croak("Can't coerce %s to number in %s", sv_reftype(sv,0), | |
1184 | op_name[op->op_type]); | |
79072805 | 1185 | } |
463ee0b2 | 1186 | SvNVX(sv) = num; |
a0d0e21e | 1187 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 | 1188 | SvTAINT(sv); |
79072805 LW |
1189 | } |
1190 | ||
a0d0e21e LW |
1191 | static void |
1192 | not_a_number(sv) | |
1193 | SV *sv; | |
1194 | { | |
1195 | char tmpbuf[64]; | |
1196 | char *d = tmpbuf; | |
1197 | char *s; | |
dc28f22b GA |
1198 | char *limit = tmpbuf + sizeof(tmpbuf) - 8; |
1199 | /* each *s can expand to 4 chars + "...\0", | |
1200 | i.e. need room for 8 chars */ | |
a0d0e21e | 1201 | |
dc28f22b | 1202 | for (s = SvPVX(sv); *s && d < limit; s++) { |
bbce6d69 | 1203 | int ch = *s & 0xFF; |
1204 | if (ch & 128 && !isPRINT_LC(ch)) { | |
a0d0e21e LW |
1205 | *d++ = 'M'; |
1206 | *d++ = '-'; | |
1207 | ch &= 127; | |
1208 | } | |
bbce6d69 | 1209 | if (ch == '\n') { |
1210 | *d++ = '\\'; | |
1211 | *d++ = 'n'; | |
1212 | } | |
1213 | else if (ch == '\r') { | |
1214 | *d++ = '\\'; | |
1215 | *d++ = 'r'; | |
1216 | } | |
1217 | else if (ch == '\f') { | |
1218 | *d++ = '\\'; | |
1219 | *d++ = 'f'; | |
1220 | } | |
1221 | else if (ch == '\\') { | |
1222 | *d++ = '\\'; | |
1223 | *d++ = '\\'; | |
1224 | } | |
1225 | else if (isPRINT_LC(ch)) | |
a0d0e21e LW |
1226 | *d++ = ch; |
1227 | else { | |
1228 | *d++ = '^'; | |
bbce6d69 | 1229 | *d++ = toCTRL(ch); |
a0d0e21e LW |
1230 | } |
1231 | } | |
1232 | if (*s) { | |
1233 | *d++ = '.'; | |
1234 | *d++ = '.'; | |
1235 | *d++ = '.'; | |
1236 | } | |
1237 | *d = '\0'; | |
1238 | ||
1239 | if (op) | |
c07a80fd | 1240 | warn("Argument \"%s\" isn't numeric in %s", tmpbuf, |
a0d0e21e LW |
1241 | op_name[op->op_type]); |
1242 | else | |
1243 | warn("Argument \"%s\" isn't numeric", tmpbuf); | |
1244 | } | |
1245 | ||
1246 | IV | |
79072805 LW |
1247 | sv_2iv(sv) |
1248 | register SV *sv; | |
1249 | { | |
1250 | if (!sv) | |
1251 | return 0; | |
8990e307 | 1252 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1253 | mg_get(sv); |
1254 | if (SvIOKp(sv)) | |
1255 | return SvIVX(sv); | |
748a9306 LW |
1256 | if (SvNOKp(sv)) { |
1257 | if (SvNVX(sv) < 0.0) | |
1258 | return I_V(SvNVX(sv)); | |
1259 | else | |
5d94fbed | 1260 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1261 | } |
36477c24 | 1262 | if (SvPOKp(sv) && SvLEN(sv)) |
1263 | return asIV(sv); | |
3fe9a6f1 | 1264 | if (!SvROK(sv)) { |
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 { |
91bba347 | 1316 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1317 | warn(warn_uninit); |
a0d0e21e | 1318 | return 0; |
79072805 | 1319 | } |
760ac839 | 1320 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n", |
a0d0e21e | 1321 | (unsigned long)sv,(long)SvIVX(sv))); |
463ee0b2 | 1322 | return SvIVX(sv); |
79072805 LW |
1323 | } |
1324 | ||
ff68c719 | 1325 | UV |
1326 | sv_2uv(sv) | |
1327 | register SV *sv; | |
1328 | { | |
1329 | if (!sv) | |
1330 | return 0; | |
1331 | if (SvGMAGICAL(sv)) { | |
1332 | mg_get(sv); | |
1333 | if (SvIOKp(sv)) | |
1334 | return SvUVX(sv); | |
1335 | if (SvNOKp(sv)) | |
1336 | return U_V(SvNVX(sv)); | |
36477c24 | 1337 | if (SvPOKp(sv) && SvLEN(sv)) |
1338 | return asUV(sv); | |
3fe9a6f1 | 1339 | if (!SvROK(sv)) { |
1340 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) | |
1341 | warn(warn_uninit); | |
36477c24 | 1342 | return 0; |
3fe9a6f1 | 1343 | } |
ff68c719 | 1344 | } |
1345 | if (SvTHINKFIRST(sv)) { | |
1346 | if (SvROK(sv)) { | |
1347 | #ifdef OVERLOAD | |
1348 | SV* tmpstr; | |
1349 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1350 | return SvUV(tmpstr); | |
1351 | #endif /* OVERLOAD */ | |
1352 | return (UV)SvRV(sv); | |
1353 | } | |
1354 | if (SvREADONLY(sv)) { | |
1355 | if (SvNOKp(sv)) { | |
1356 | return U_V(SvNVX(sv)); | |
1357 | } | |
36477c24 | 1358 | if (SvPOKp(sv) && SvLEN(sv)) |
1359 | return asUV(sv); | |
ff68c719 | 1360 | if (dowarn) |
1361 | warn(warn_uninit); | |
1362 | return 0; | |
1363 | } | |
1364 | } | |
1365 | switch (SvTYPE(sv)) { | |
1366 | case SVt_NULL: | |
1367 | sv_upgrade(sv, SVt_IV); | |
8ebc5c01 | 1368 | break; |
ff68c719 | 1369 | case SVt_PV: |
1370 | sv_upgrade(sv, SVt_PVIV); | |
1371 | break; | |
1372 | case SVt_NV: | |
1373 | sv_upgrade(sv, SVt_PVNV); | |
1374 | break; | |
1375 | } | |
1376 | if (SvNOKp(sv)) { | |
1377 | (void)SvIOK_on(sv); | |
1378 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1379 | } | |
1380 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
ff68c719 | 1381 | (void)SvIOK_on(sv); |
36477c24 | 1382 | SvUVX(sv) = asUV(sv); |
ff68c719 | 1383 | } |
1384 | else { | |
1385 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) | |
1386 | warn(warn_uninit); | |
1387 | return 0; | |
1388 | } | |
1389 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n", | |
1390 | (unsigned long)sv,SvUVX(sv))); | |
1391 | return SvUVX(sv); | |
1392 | } | |
1393 | ||
79072805 LW |
1394 | double |
1395 | sv_2nv(sv) | |
1396 | register SV *sv; | |
1397 | { | |
1398 | if (!sv) | |
1399 | return 0.0; | |
8990e307 | 1400 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1401 | mg_get(sv); |
1402 | if (SvNOKp(sv)) | |
1403 | return SvNVX(sv); | |
a0d0e21e | 1404 | if (SvPOKp(sv) && SvLEN(sv)) { |
748a9306 | 1405 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1406 | not_a_number(sv); |
36477c24 | 1407 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1408 | return atof(SvPVX(sv)); |
a0d0e21e | 1409 | } |
463ee0b2 LW |
1410 | if (SvIOKp(sv)) |
1411 | return (double)SvIVX(sv); | |
16d20bd9 | 1412 | if (!SvROK(sv)) { |
3fe9a6f1 | 1413 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
1414 | warn(warn_uninit); | |
16d20bd9 AD |
1415 | return 0; |
1416 | } | |
463ee0b2 | 1417 | } |
ed6116ce | 1418 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1419 | if (SvROK(sv)) { |
1420 | #ifdef OVERLOAD | |
1421 | SV* tmpstr; | |
1422 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) | |
1423 | return SvNV(tmpstr); | |
1424 | #endif /* OVERLOAD */ | |
1425 | return (double)(unsigned long)SvRV(sv); | |
1426 | } | |
ed6116ce | 1427 | if (SvREADONLY(sv)) { |
748a9306 LW |
1428 | if (SvPOKp(sv) && SvLEN(sv)) { |
1429 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1430 | not_a_number(sv); |
36477c24 | 1431 | SET_NUMERIC_STANDARD(); |
ed6116ce | 1432 | return atof(SvPVX(sv)); |
a0d0e21e | 1433 | } |
748a9306 | 1434 | if (SvIOKp(sv)) |
8990e307 | 1435 | return (double)SvIVX(sv); |
ed6116ce | 1436 | if (dowarn) |
8990e307 | 1437 | warn(warn_uninit); |
ed6116ce LW |
1438 | return 0.0; |
1439 | } | |
79072805 LW |
1440 | } |
1441 | if (SvTYPE(sv) < SVt_NV) { | |
463ee0b2 LW |
1442 | if (SvTYPE(sv) == SVt_IV) |
1443 | sv_upgrade(sv, SVt_PVNV); | |
1444 | else | |
1445 | sv_upgrade(sv, SVt_NV); | |
36477c24 | 1446 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1447 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1448 | "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
79072805 LW |
1449 | } |
1450 | else if (SvTYPE(sv) < SVt_PVNV) | |
1451 | sv_upgrade(sv, SVt_PVNV); | |
748a9306 LW |
1452 | if (SvIOKp(sv) && |
1453 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) | |
93a17b20 | 1454 | { |
463ee0b2 | 1455 | SvNVX(sv) = (double)SvIVX(sv); |
93a17b20 | 1456 | } |
748a9306 LW |
1457 | else if (SvPOKp(sv) && SvLEN(sv)) { |
1458 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1459 | not_a_number(sv); |
36477c24 | 1460 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1461 | SvNVX(sv) = atof(SvPVX(sv)); |
93a17b20 | 1462 | } |
79072805 | 1463 | else { |
91bba347 | 1464 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1465 | warn(warn_uninit); |
a0d0e21e | 1466 | return 0.0; |
79072805 LW |
1467 | } |
1468 | SvNOK_on(sv); | |
36477c24 | 1469 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1470 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1471 | "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
463ee0b2 | 1472 | return SvNVX(sv); |
79072805 LW |
1473 | } |
1474 | ||
36477c24 | 1475 | static IV |
1476 | asIV(sv) | |
1477 | SV *sv; | |
1478 | { | |
1479 | I32 numtype = looks_like_number(sv); | |
1480 | double d; | |
1481 | ||
1482 | if (numtype == 1) | |
1483 | return atol(SvPVX(sv)); | |
1484 | if (!numtype && dowarn) | |
1485 | not_a_number(sv); | |
1486 | SET_NUMERIC_STANDARD(); | |
1487 | d = atof(SvPVX(sv)); | |
1488 | if (d < 0.0) | |
1489 | return I_V(d); | |
1490 | else | |
1491 | return (IV) U_V(d); | |
1492 | } | |
1493 | ||
1494 | static UV | |
1495 | asUV(sv) | |
1496 | SV *sv; | |
1497 | { | |
1498 | I32 numtype = looks_like_number(sv); | |
1499 | ||
1500 | if (numtype == 1) | |
1501 | return atol(SvPVX(sv)); | |
1502 | if (!numtype && dowarn) | |
1503 | not_a_number(sv); | |
1504 | SET_NUMERIC_STANDARD(); | |
1505 | return U_V(atof(SvPVX(sv))); | |
1506 | } | |
1507 | ||
1508 | I32 | |
1509 | looks_like_number(sv) | |
1510 | SV *sv; | |
1511 | { | |
1512 | register char *s; | |
1513 | register char *send; | |
1514 | register char *sbegin; | |
ff0cee69 | 1515 | I32 numtype; |
36477c24 | 1516 | STRLEN len; |
1517 | ||
1518 | if (SvPOK(sv)) { | |
1519 | sbegin = SvPVX(sv); | |
1520 | len = SvCUR(sv); | |
1521 | } | |
1522 | else if (SvPOKp(sv)) | |
1523 | sbegin = SvPV(sv, len); | |
1524 | else | |
1525 | return 1; | |
1526 | send = sbegin + len; | |
1527 | ||
1528 | s = sbegin; | |
1529 | while (isSPACE(*s)) | |
1530 | s++; | |
36477c24 | 1531 | if (*s == '+' || *s == '-') |
1532 | s++; | |
ff0cee69 | 1533 | |
1534 | /* next must be digit or '.' */ | |
1535 | if (isDIGIT(*s)) { | |
1536 | do { | |
1537 | s++; | |
1538 | } while (isDIGIT(*s)); | |
1539 | if (*s == '.') { | |
1540 | s++; | |
1541 | while (isDIGIT(*s)) /* optional digits after "." */ | |
1542 | s++; | |
1543 | } | |
36477c24 | 1544 | } |
ff0cee69 | 1545 | else if (*s == '.') { |
1546 | s++; | |
1547 | /* no digits before '.' means we need digits after it */ | |
1548 | if (isDIGIT(*s)) { | |
1549 | do { | |
1550 | s++; | |
1551 | } while (isDIGIT(*s)); | |
1552 | } | |
1553 | else | |
1554 | return 0; | |
1555 | } | |
1556 | else | |
1557 | return 0; | |
1558 | ||
1559 | /* | |
1560 | * we return 1 if the number can be converted to _integer_ with atol() | |
1561 | * and 2 if you need (int)atof(). | |
1562 | */ | |
1563 | numtype = 1; | |
1564 | ||
1565 | /* we can have an optional exponent part */ | |
36477c24 | 1566 | if (*s == 'e' || *s == 'E') { |
1567 | numtype = 2; | |
1568 | s++; | |
1569 | if (*s == '+' || *s == '-') | |
1570 | s++; | |
ff0cee69 | 1571 | if (isDIGIT(*s)) { |
1572 | do { | |
1573 | s++; | |
1574 | } while (isDIGIT(*s)); | |
1575 | } | |
1576 | else | |
1577 | return 0; | |
36477c24 | 1578 | } |
1579 | while (isSPACE(*s)) | |
1580 | s++; | |
1581 | if (s >= send) | |
1582 | return numtype; | |
1583 | if (len == 10 && memEQ(sbegin, "0 but true", 10)) | |
1584 | return 1; | |
1585 | return 0; | |
1586 | } | |
1587 | ||
79072805 | 1588 | char * |
463ee0b2 | 1589 | sv_2pv(sv, lp) |
79072805 | 1590 | register SV *sv; |
463ee0b2 | 1591 | STRLEN *lp; |
79072805 LW |
1592 | { |
1593 | register char *s; | |
1594 | int olderrno; | |
46fc3d4c | 1595 | SV *tsv; |
79072805 | 1596 | |
463ee0b2 LW |
1597 | if (!sv) { |
1598 | *lp = 0; | |
1599 | return ""; | |
1600 | } | |
8990e307 | 1601 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1602 | mg_get(sv); |
1603 | if (SvPOKp(sv)) { | |
1604 | *lp = SvCUR(sv); | |
1605 | return SvPVX(sv); | |
1606 | } | |
1607 | if (SvIOKp(sv)) { | |
a0d0e21e | 1608 | (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1609 | tsv = Nullsv; |
a0d0e21e | 1610 | goto tokensave; |
463ee0b2 LW |
1611 | } |
1612 | if (SvNOKp(sv)) { | |
36477c24 | 1613 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1614 | Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); |
46fc3d4c | 1615 | tsv = Nullsv; |
a0d0e21e | 1616 | goto tokensave; |
463ee0b2 | 1617 | } |
16d20bd9 | 1618 | if (!SvROK(sv)) { |
3fe9a6f1 | 1619 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
1620 | warn(warn_uninit); | |
16d20bd9 AD |
1621 | *lp = 0; |
1622 | return ""; | |
1623 | } | |
463ee0b2 | 1624 | } |
ed6116ce LW |
1625 | if (SvTHINKFIRST(sv)) { |
1626 | if (SvROK(sv)) { | |
a0d0e21e LW |
1627 | #ifdef OVERLOAD |
1628 | SV* tmpstr; | |
1629 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) | |
1630 | return SvPV(tmpstr,*lp); | |
1631 | #endif /* OVERLOAD */ | |
ed6116ce LW |
1632 | sv = (SV*)SvRV(sv); |
1633 | if (!sv) | |
1634 | s = "NULLREF"; | |
1635 | else { | |
1636 | switch (SvTYPE(sv)) { | |
1637 | case SVt_NULL: | |
1638 | case SVt_IV: | |
1639 | case SVt_NV: | |
1640 | case SVt_RV: | |
1641 | case SVt_PV: | |
1642 | case SVt_PVIV: | |
1643 | case SVt_PVNV: | |
1644 | case SVt_PVBM: | |
1645 | case SVt_PVMG: s = "SCALAR"; break; | |
1646 | case SVt_PVLV: s = "LVALUE"; break; | |
1647 | case SVt_PVAV: s = "ARRAY"; break; | |
1648 | case SVt_PVHV: s = "HASH"; break; | |
1649 | case SVt_PVCV: s = "CODE"; break; | |
1650 | case SVt_PVGV: s = "GLOB"; break; | |
1651 | case SVt_PVFM: s = "FORMATLINE"; break; | |
36477c24 | 1652 | case SVt_PVIO: s = "IO"; break; |
ed6116ce LW |
1653 | default: s = "UNKNOWN"; break; |
1654 | } | |
46fc3d4c | 1655 | tsv = NEWSV(0,0); |
ed6116ce | 1656 | if (SvOBJECT(sv)) |
46fc3d4c | 1657 | sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); |
ed6116ce | 1658 | else |
46fc3d4c | 1659 | sv_setpv(tsv, s); |
1660 | sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv); | |
a0d0e21e | 1661 | goto tokensaveref; |
463ee0b2 | 1662 | } |
ed6116ce LW |
1663 | *lp = strlen(s); |
1664 | return s; | |
79072805 | 1665 | } |
ed6116ce | 1666 | if (SvREADONLY(sv)) { |
748a9306 | 1667 | if (SvNOKp(sv)) { |
36477c24 | 1668 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1669 | Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); |
46fc3d4c | 1670 | tsv = Nullsv; |
a0d0e21e | 1671 | goto tokensave; |
ed6116ce | 1672 | } |
8bb9dbe4 LW |
1673 | if (SvIOKp(sv)) { |
1674 | (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); | |
46fc3d4c | 1675 | tsv = Nullsv; |
8bb9dbe4 LW |
1676 | goto tokensave; |
1677 | } | |
ed6116ce | 1678 | if (dowarn) |
8990e307 | 1679 | warn(warn_uninit); |
ed6116ce LW |
1680 | *lp = 0; |
1681 | return ""; | |
79072805 | 1682 | } |
79072805 LW |
1683 | } |
1684 | if (!SvUPGRADE(sv, SVt_PV)) | |
1685 | return 0; | |
748a9306 | 1686 | if (SvNOKp(sv)) { |
79072805 LW |
1687 | if (SvTYPE(sv) < SVt_PVNV) |
1688 | sv_upgrade(sv, SVt_PVNV); | |
1689 | SvGROW(sv, 28); | |
463ee0b2 | 1690 | s = SvPVX(sv); |
79072805 | 1691 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 | 1692 | #ifdef apollo |
463ee0b2 | 1693 | if (SvNVX(sv) == 0.0) |
79072805 LW |
1694 | (void)strcpy(s,"0"); |
1695 | else | |
1696 | #endif /*apollo*/ | |
bbce6d69 | 1697 | { |
36477c24 | 1698 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1699 | Gconvert(SvNVX(sv), DBL_DIG, 0, s); |
bbce6d69 | 1700 | } |
79072805 | 1701 | errno = olderrno; |
a0d0e21e LW |
1702 | #ifdef FIXNEGATIVEZERO |
1703 | if (*s == '-' && s[1] == '0' && !s[2]) | |
1704 | strcpy(s,"0"); | |
1705 | #endif | |
79072805 LW |
1706 | while (*s) s++; |
1707 | #ifdef hcx | |
1708 | if (s[-1] == '.') | |
46fc3d4c | 1709 | *--s = '\0'; |
79072805 LW |
1710 | #endif |
1711 | } | |
748a9306 | 1712 | else if (SvIOKp(sv)) { |
79072805 LW |
1713 | if (SvTYPE(sv) < SVt_PVIV) |
1714 | sv_upgrade(sv, SVt_PVIV); | |
79072805 | 1715 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
fc36a67e | 1716 | sv_setpvf(sv, "%Vd", SvIVX(sv)); |
79072805 | 1717 | errno = olderrno; |
46fc3d4c | 1718 | s = SvEND(sv); |
79072805 LW |
1719 | } |
1720 | else { | |
91bba347 | 1721 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1722 | warn(warn_uninit); |
a0d0e21e LW |
1723 | *lp = 0; |
1724 | return ""; | |
79072805 | 1725 | } |
463ee0b2 LW |
1726 | *lp = s - SvPVX(sv); |
1727 | SvCUR_set(sv, *lp); | |
79072805 | 1728 | SvPOK_on(sv); |
760ac839 | 1729 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); |
463ee0b2 | 1730 | return SvPVX(sv); |
a0d0e21e LW |
1731 | |
1732 | tokensave: | |
1733 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ | |
1734 | /* Sneaky stuff here */ | |
1735 | ||
1736 | tokensaveref: | |
46fc3d4c | 1737 | if (!tsv) |
1738 | tsv = newSVpv(tokenbuf, 0); | |
1739 | sv_2mortal(tsv); | |
1740 | *lp = SvCUR(tsv); | |
1741 | return SvPVX(tsv); | |
a0d0e21e LW |
1742 | } |
1743 | else { | |
1744 | STRLEN len; | |
46fc3d4c | 1745 | char *t; |
1746 | ||
1747 | if (tsv) { | |
1748 | sv_2mortal(tsv); | |
1749 | t = SvPVX(tsv); | |
1750 | len = SvCUR(tsv); | |
1751 | } | |
1752 | else { | |
1753 | t = tokenbuf; | |
1754 | len = strlen(tokenbuf); | |
1755 | } | |
a0d0e21e | 1756 | #ifdef FIXNEGATIVEZERO |
46fc3d4c | 1757 | if (len == 2 && t[0] == '-' && t[1] == '0') { |
1758 | t = "0"; | |
1759 | len = 1; | |
1760 | } | |
a0d0e21e LW |
1761 | #endif |
1762 | (void)SvUPGRADE(sv, SVt_PV); | |
46fc3d4c | 1763 | *lp = len; |
a0d0e21e LW |
1764 | s = SvGROW(sv, len + 1); |
1765 | SvCUR_set(sv, len); | |
46fc3d4c | 1766 | (void)strcpy(s, t); |
6bf554b4 | 1767 | SvPOKp_on(sv); |
a0d0e21e LW |
1768 | return s; |
1769 | } | |
463ee0b2 LW |
1770 | } |
1771 | ||
1772 | /* This function is only called on magical items */ | |
1773 | bool | |
1774 | sv_2bool(sv) | |
1775 | register SV *sv; | |
1776 | { | |
8990e307 | 1777 | if (SvGMAGICAL(sv)) |
463ee0b2 LW |
1778 | mg_get(sv); |
1779 | ||
a0d0e21e LW |
1780 | if (!SvOK(sv)) |
1781 | return 0; | |
1782 | if (SvROK(sv)) { | |
1783 | #ifdef OVERLOAD | |
1784 | { | |
1785 | SV* tmpsv; | |
1786 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) | |
1787 | return SvTRUE(tmpsv); | |
1788 | } | |
1789 | #endif /* OVERLOAD */ | |
1790 | return SvRV(sv) != 0; | |
1791 | } | |
463ee0b2 LW |
1792 | if (SvPOKp(sv)) { |
1793 | register XPV* Xpv; | |
1794 | if ((Xpv = (XPV*)SvANY(sv)) && | |
1795 | (*Xpv->xpv_pv > '0' || | |
1796 | Xpv->xpv_cur > 1 || | |
1797 | (Xpv->xpv_cur && *Xpv->xpv_pv != '0'))) | |
1798 | return 1; | |
1799 | else | |
1800 | return 0; | |
1801 | } | |
1802 | else { | |
1803 | if (SvIOKp(sv)) | |
1804 | return SvIVX(sv) != 0; | |
1805 | else { | |
1806 | if (SvNOKp(sv)) | |
1807 | return SvNVX(sv) != 0.0; | |
1808 | else | |
1809 | return FALSE; | |
1810 | } | |
1811 | } | |
79072805 LW |
1812 | } |
1813 | ||
1814 | /* Note: sv_setsv() should not be called with a source string that needs | |
463ee0b2 | 1815 | * to be reused, since it may destroy the source string if it is marked |
79072805 LW |
1816 | * as temporary. |
1817 | */ | |
1818 | ||
1819 | void | |
1820 | sv_setsv(dstr,sstr) | |
1821 | SV *dstr; | |
1822 | register SV *sstr; | |
1823 | { | |
8990e307 LW |
1824 | register U32 sflags; |
1825 | register int dtype; | |
1826 | register int stype; | |
463ee0b2 | 1827 | |
79072805 LW |
1828 | if (sstr == dstr) |
1829 | return; | |
ed6116ce | 1830 | if (SvTHINKFIRST(dstr)) { |
8990e307 | 1831 | if (SvREADONLY(dstr) && curcop != &compiling) |
ed6116ce LW |
1832 | croak(no_modify); |
1833 | if (SvROK(dstr)) | |
1834 | sv_unref(dstr); | |
1835 | } | |
79072805 LW |
1836 | if (!sstr) |
1837 | sstr = &sv_undef; | |
8990e307 LW |
1838 | stype = SvTYPE(sstr); |
1839 | dtype = SvTYPE(dstr); | |
79072805 | 1840 | |
8e07c86e AD |
1841 | if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) { |
1842 | sv_unglob(dstr); /* so fake GLOB won't perpetuate */ | |
4633a7c4 LW |
1843 | sv_setpvn(dstr, "", 0); |
1844 | (void)SvPOK_only(dstr); | |
8e07c86e AD |
1845 | dtype = SvTYPE(dstr); |
1846 | } | |
1847 | ||
a0d0e21e LW |
1848 | #ifdef OVERLOAD |
1849 | SvAMAGIC_off(dstr); | |
1850 | #endif /* OVERLOAD */ | |
463ee0b2 | 1851 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 | 1852 | |
8990e307 | 1853 | switch (stype) { |
79072805 | 1854 | case SVt_NULL: |
a0d0e21e | 1855 | (void)SvOK_off(dstr); |
79072805 | 1856 | return; |
463ee0b2 | 1857 | case SVt_IV: |
ff68c719 | 1858 | if (dtype != SVt_IV && dtype < SVt_PVIV) { |
8990e307 LW |
1859 | if (dtype < SVt_IV) |
1860 | sv_upgrade(dstr, SVt_IV); | |
8990e307 LW |
1861 | else if (dtype == SVt_NV) |
1862 | sv_upgrade(dstr, SVt_PVNV); | |
ff68c719 | 1863 | else |
a0d0e21e | 1864 | sv_upgrade(dstr, SVt_PVIV); |
8990e307 | 1865 | } |
463ee0b2 LW |
1866 | break; |
1867 | case SVt_NV: | |
ff68c719 | 1868 | if (dtype != SVt_NV && dtype < SVt_PVNV) { |
8990e307 LW |
1869 | if (dtype < SVt_NV) |
1870 | sv_upgrade(dstr, SVt_NV); | |
ff68c719 | 1871 | else |
a0d0e21e | 1872 | sv_upgrade(dstr, SVt_PVNV); |
8990e307 | 1873 | } |
463ee0b2 | 1874 | break; |
ed6116ce | 1875 | case SVt_RV: |
8990e307 | 1876 | if (dtype < SVt_RV) |
ed6116ce | 1877 | sv_upgrade(dstr, SVt_RV); |
c07a80fd | 1878 | else if (dtype == SVt_PVGV && |
1879 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { | |
1880 | sstr = SvRV(sstr); | |
a5f75d66 AD |
1881 | if (sstr == dstr) { |
1882 | if (curcop->cop_stash != GvSTASH(dstr)) | |
1883 | GvIMPORTED_on(dstr); | |
1884 | GvMULTI_on(dstr); | |
1885 | return; | |
1886 | } | |
c07a80fd | 1887 | goto glob_assign; |
1888 | } | |
ed6116ce | 1889 | break; |
463ee0b2 | 1890 | case SVt_PV: |
fc36a67e | 1891 | case SVt_PVFM: |
8990e307 | 1892 | if (dtype < SVt_PV) |
463ee0b2 | 1893 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 LW |
1894 | break; |
1895 | case SVt_PVIV: | |
8990e307 | 1896 | if (dtype < SVt_PVIV) |
463ee0b2 | 1897 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 LW |
1898 | break; |
1899 | case SVt_PVNV: | |
8990e307 | 1900 | if (dtype < SVt_PVNV) |
463ee0b2 | 1901 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 | 1902 | break; |
4633a7c4 LW |
1903 | |
1904 | case SVt_PVLV: | |
4561caa4 | 1905 | sv_upgrade(dstr, SVt_PVLV); |
4633a7c4 LW |
1906 | break; |
1907 | ||
1908 | case SVt_PVAV: | |
1909 | case SVt_PVHV: | |
1910 | case SVt_PVCV: | |
4633a7c4 LW |
1911 | case SVt_PVIO: |
1912 | if (op) | |
1913 | croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0), | |
1914 | op_name[op->op_type]); | |
1915 | else | |
1916 | croak("Bizarre copy of %s", sv_reftype(sstr, 0)); | |
1917 | break; | |
1918 | ||
79072805 | 1919 | case SVt_PVGV: |
8990e307 | 1920 | if (dtype <= SVt_PVGV) { |
c07a80fd | 1921 | glob_assign: |
a5f75d66 | 1922 | if (dtype != SVt_PVGV) { |
a0d0e21e LW |
1923 | char *name = GvNAME(sstr); |
1924 | STRLEN len = GvNAMELEN(sstr); | |
463ee0b2 | 1925 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e LW |
1926 | sv_magic(dstr, dstr, '*', name, len); |
1927 | GvSTASH(dstr) = GvSTASH(sstr); | |
1928 | GvNAME(dstr) = savepvn(name, len); | |
1929 | GvNAMELEN(dstr) = len; | |
1930 | SvFAKE_on(dstr); /* can coerce to non-glob */ | |
1931 | } | |
7bac28a0 | 1932 | /* ahem, death to those who redefine active sort subs */ |
1933 | else if (curstack == sortstack | |
1934 | && GvCV(dstr) && sortcop == CvSTART(GvCV(dstr))) | |
1935 | croak("Can't redefine active sort subroutine %s", | |
1936 | GvNAME(dstr)); | |
a0d0e21e | 1937 | (void)SvOK_off(dstr); |
a5f75d66 | 1938 | GvINTRO_off(dstr); /* one-shot flag */ |
1edc1566 | 1939 | gp_free((GV*)dstr); |
79072805 | 1940 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 | 1941 | SvTAINT(dstr); |
a5f75d66 AD |
1942 | if (curcop->cop_stash != GvSTASH(dstr)) |
1943 | GvIMPORTED_on(dstr); | |
1944 | GvMULTI_on(dstr); | |
79072805 LW |
1945 | return; |
1946 | } | |
1947 | /* FALL THROUGH */ | |
1948 | ||
1949 | default: | |
973f89ab CS |
1950 | if (SvGMAGICAL(sstr)) { |
1951 | mg_get(sstr); | |
1952 | if (SvTYPE(sstr) != stype) { | |
1953 | stype = SvTYPE(sstr); | |
1954 | if (stype == SVt_PVGV && dtype <= SVt_PVGV) | |
1955 | goto glob_assign; | |
1956 | } | |
1957 | } | |
8990e307 LW |
1958 | if (dtype < stype) |
1959 | sv_upgrade(dstr, stype); | |
79072805 LW |
1960 | } |
1961 | ||
8990e307 LW |
1962 | sflags = SvFLAGS(sstr); |
1963 | ||
1964 | if (sflags & SVf_ROK) { | |
1965 | if (dtype >= SVt_PV) { | |
1966 | if (dtype == SVt_PVGV) { | |
1967 | SV *sref = SvREFCNT_inc(SvRV(sstr)); | |
1968 | SV *dref = 0; | |
a5f75d66 | 1969 | int intro = GvINTRO(dstr); |
a0d0e21e LW |
1970 | |
1971 | if (intro) { | |
1972 | GP *gp; | |
1973 | GvGP(dstr)->gp_refcnt--; | |
a5f75d66 | 1974 | GvINTRO_off(dstr); /* one-shot flag */ |
a0d0e21e | 1975 | Newz(602,gp, 1, GP); |
44a8e56a | 1976 | GvGP(dstr) = gp_ref(gp); |
a0d0e21e LW |
1977 | GvSV(dstr) = NEWSV(72,0); |
1978 | GvLINE(dstr) = curcop->cop_line; | |
1edc1566 | 1979 | GvEGV(dstr) = (GV*)dstr; |
a0d0e21e | 1980 | } |
a5f75d66 | 1981 | GvMULTI_on(dstr); |
8990e307 LW |
1982 | switch (SvTYPE(sref)) { |
1983 | case SVt_PVAV: | |
a0d0e21e LW |
1984 | if (intro) |
1985 | SAVESPTR(GvAV(dstr)); | |
1986 | else | |
1987 | dref = (SV*)GvAV(dstr); | |
8990e307 | 1988 | GvAV(dstr) = (AV*)sref; |
a5f75d66 AD |
1989 | if (curcop->cop_stash != GvSTASH(dstr)) |
1990 | GvIMPORTED_AV_on(dstr); | |
8990e307 LW |
1991 | break; |
1992 | case SVt_PVHV: | |
a0d0e21e LW |
1993 | if (intro) |
1994 | SAVESPTR(GvHV(dstr)); | |
1995 | else | |
1996 | dref = (SV*)GvHV(dstr); | |
8990e307 | 1997 | GvHV(dstr) = (HV*)sref; |
a5f75d66 AD |
1998 | if (curcop->cop_stash != GvSTASH(dstr)) |
1999 | GvIMPORTED_HV_on(dstr); | |
8990e307 LW |
2000 | break; |
2001 | case SVt_PVCV: | |
8ebc5c01 | 2002 | if (intro) { |
2003 | if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { | |
2004 | SvREFCNT_dec(GvCV(dstr)); | |
2005 | GvCV(dstr) = Nullcv; | |
68dc0745 | 2006 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
2007 | sub_generation++; | |
8ebc5c01 | 2008 | } |
a0d0e21e | 2009 | SAVESPTR(GvCV(dstr)); |
8ebc5c01 | 2010 | } |
68dc0745 | 2011 | else |
2012 | dref = (SV*)GvCV(dstr); | |
2013 | if (GvCV(dstr) != (CV*)sref) { | |
748a9306 | 2014 | CV* cv = GvCV(dstr); |
4633a7c4 | 2015 | if (cv) { |
68dc0745 | 2016 | if (!GvCVGEN((GV*)dstr) && |
2017 | (CvROOT(cv) || CvXSUB(cv))) | |
2018 | { | |
7bac28a0 | 2019 | /* ahem, death to those who redefine |
2020 | * active sort subs */ | |
2021 | if (curstack == sortstack && | |
2022 | sortcop == CvSTART(cv)) | |
2023 | croak( | |
2024 | "Can't redefine active sort subroutine %s", | |
2025 | GvENAME((GV*)dstr)); | |
9607fc9c | 2026 | if (cv_const_sv(cv)) |
2027 | warn("Constant subroutine %s redefined", | |
2028 | GvENAME((GV*)dstr)); | |
2029 | else if (dowarn) | |
2030 | warn("Subroutine %s redefined", | |
2031 | GvENAME((GV*)dstr)); | |
2032 | } | |
3fe9a6f1 | 2033 | cv_ckproto(cv, (GV*)dstr, |
2034 | SvPOK(sref) ? SvPVX(sref) : Nullch); | |
4633a7c4 | 2035 | } |
a5f75d66 | 2036 | GvCV(dstr) = (CV*)sref; |
7a4c00b4 | 2037 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
a5f75d66 | 2038 | GvASSUMECV_on(dstr); |
8ebc5c01 | 2039 | sub_generation++; |
a5f75d66 AD |
2040 | } |
2041 | if (curcop->cop_stash != GvSTASH(dstr)) | |
2042 | GvIMPORTED_CV_on(dstr); | |
8990e307 | 2043 | break; |
91bba347 LW |
2044 | case SVt_PVIO: |
2045 | if (intro) | |
2046 | SAVESPTR(GvIOp(dstr)); | |
2047 | else | |
2048 | dref = (SV*)GvIOp(dstr); | |
2049 | GvIOp(dstr) = (IO*)sref; | |
2050 | break; | |
8990e307 | 2051 | default: |
a0d0e21e LW |
2052 | if (intro) |
2053 | SAVESPTR(GvSV(dstr)); | |
2054 | else | |
2055 | dref = (SV*)GvSV(dstr); | |
8990e307 | 2056 | GvSV(dstr) = sref; |
a5f75d66 AD |
2057 | if (curcop->cop_stash != GvSTASH(dstr)) |
2058 | GvIMPORTED_SV_on(dstr); | |
8990e307 LW |
2059 | break; |
2060 | } | |
2061 | if (dref) | |
2062 | SvREFCNT_dec(dref); | |
a0d0e21e LW |
2063 | if (intro) |
2064 | SAVEFREESV(sref); | |
8990e307 LW |
2065 | SvTAINT(dstr); |
2066 | return; | |
2067 | } | |
a0d0e21e | 2068 | if (SvPVX(dstr)) { |
760ac839 | 2069 | (void)SvOOK_off(dstr); /* backoff */ |
8990e307 | 2070 | Safefree(SvPVX(dstr)); |
a0d0e21e LW |
2071 | SvLEN(dstr)=SvCUR(dstr)=0; |
2072 | } | |
8990e307 | 2073 | } |
a0d0e21e | 2074 | (void)SvOK_off(dstr); |
8990e307 | 2075 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce | 2076 | SvROK_on(dstr); |
8990e307 | 2077 | if (sflags & SVp_NOK) { |
ed6116ce LW |
2078 | SvNOK_on(dstr); |
2079 | SvNVX(dstr) = SvNVX(sstr); | |
2080 | } | |
8990e307 | 2081 | if (sflags & SVp_IOK) { |
a0d0e21e | 2082 | (void)SvIOK_on(dstr); |
ed6116ce LW |
2083 | SvIVX(dstr) = SvIVX(sstr); |
2084 | } | |
a0d0e21e LW |
2085 | #ifdef OVERLOAD |
2086 | if (SvAMAGIC(sstr)) { | |
2087 | SvAMAGIC_on(dstr); | |
2088 | } | |
2089 | #endif /* OVERLOAD */ | |
ed6116ce | 2090 | } |
8990e307 | 2091 | else if (sflags & SVp_POK) { |
79072805 LW |
2092 | |
2093 | /* | |
2094 | * Check to see if we can just swipe the string. If so, it's a | |
2095 | * possible small lose on short strings, but a big win on long ones. | |
463ee0b2 LW |
2096 | * It might even be a win on short strings if SvPVX(dstr) |
2097 | * has to be allocated and SvPVX(sstr) has to be freed. | |
79072805 LW |
2098 | */ |
2099 | ||
ff68c719 | 2100 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
a5f75d66 AD |
2101 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
2102 | { | |
adbc6bb1 | 2103 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a5f75d66 AD |
2104 | if (SvOOK(dstr)) { |
2105 | SvFLAGS(dstr) &= ~SVf_OOK; | |
2106 | Safefree(SvPVX(dstr) - SvIVX(dstr)); | |
2107 | } | |
2108 | else | |
2109 | Safefree(SvPVX(dstr)); | |
79072805 | 2110 | } |
a5f75d66 | 2111 | (void)SvPOK_only(dstr); |
463ee0b2 | 2112 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 LW |
2113 | SvLEN_set(dstr, SvLEN(sstr)); |
2114 | SvCUR_set(dstr, SvCUR(sstr)); | |
79072805 | 2115 | SvTEMP_off(dstr); |
a5f75d66 | 2116 | (void)SvOK_off(sstr); |
79072805 LW |
2117 | SvPV_set(sstr, Nullch); |
2118 | SvLEN_set(sstr, 0); | |
a5f75d66 AD |
2119 | SvCUR_set(sstr, 0); |
2120 | SvTEMP_off(sstr); | |
79072805 LW |
2121 | } |
2122 | else { /* have to copy actual string */ | |
8990e307 LW |
2123 | STRLEN len = SvCUR(sstr); |
2124 | ||
2125 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ | |
2126 | Move(SvPVX(sstr),SvPVX(dstr),len,char); | |
2127 | SvCUR_set(dstr, len); | |
2128 | *SvEND(dstr) = '\0'; | |
a0d0e21e | 2129 | (void)SvPOK_only(dstr); |
79072805 LW |
2130 | } |
2131 | /*SUPPRESS 560*/ | |
8990e307 | 2132 | if (sflags & SVp_NOK) { |
79072805 | 2133 | SvNOK_on(dstr); |
463ee0b2 | 2134 | SvNVX(dstr) = SvNVX(sstr); |
79072805 | 2135 | } |
8990e307 | 2136 | if (sflags & SVp_IOK) { |
a0d0e21e | 2137 | (void)SvIOK_on(dstr); |
463ee0b2 | 2138 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2139 | } |
2140 | } | |
8990e307 | 2141 | else if (sflags & SVp_NOK) { |
463ee0b2 | 2142 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e | 2143 | (void)SvNOK_only(dstr); |
79072805 | 2144 | if (SvIOK(sstr)) { |
a0d0e21e | 2145 | (void)SvIOK_on(dstr); |
463ee0b2 | 2146 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2147 | } |
2148 | } | |
8990e307 | 2149 | else if (sflags & SVp_IOK) { |
a0d0e21e | 2150 | (void)SvIOK_only(dstr); |
463ee0b2 | 2151 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2152 | } |
2153 | else { | |
a0d0e21e LW |
2154 | (void)SvOK_off(dstr); |
2155 | } | |
463ee0b2 | 2156 | SvTAINT(dstr); |
79072805 LW |
2157 | } |
2158 | ||
2159 | void | |
2160 | sv_setpvn(sv,ptr,len) | |
2161 | register SV *sv; | |
71be2cbc | 2162 | register const char *ptr; |
79072805 LW |
2163 | register STRLEN len; |
2164 | { | |
4561caa4 CS |
2165 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
2166 | elicit a warning, but it won't hurt. */ | |
ed6116ce | 2167 | if (SvTHINKFIRST(sv)) { |
8990e307 | 2168 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce LW |
2169 | croak(no_modify); |
2170 | if (SvROK(sv)) | |
2171 | sv_unref(sv); | |
2172 | } | |
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 | ||
ed6116ce | 2198 | if (SvTHINKFIRST(sv)) { |
8990e307 | 2199 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce LW |
2200 | croak(no_modify); |
2201 | if (SvROK(sv)) | |
2202 | sv_unref(sv); | |
2203 | } | |
463ee0b2 | 2204 | if (!ptr) { |
a0d0e21e | 2205 | (void)SvOK_off(sv); |
463ee0b2 LW |
2206 | return; |
2207 | } | |
79072805 | 2208 | len = strlen(ptr); |
c07a80fd | 2209 | if (SvTYPE(sv) >= SVt_PV) { |
2210 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2211 | sv_unglob(sv); | |
2212 | } | |
2213 | else if (!sv_upgrade(sv, SVt_PV)) | |
79072805 LW |
2214 | return; |
2215 | SvGROW(sv, len + 1); | |
463ee0b2 | 2216 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 | 2217 | SvCUR_set(sv, len); |
a0d0e21e | 2218 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 LW |
2219 | SvTAINT(sv); |
2220 | } | |
2221 | ||
2222 | void | |
2223 | sv_usepvn(sv,ptr,len) | |
2224 | register SV *sv; | |
2225 | register char *ptr; | |
2226 | register STRLEN len; | |
2227 | { | |
ed6116ce | 2228 | if (SvTHINKFIRST(sv)) { |
8990e307 | 2229 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce LW |
2230 | croak(no_modify); |
2231 | if (SvROK(sv)) | |
2232 | sv_unref(sv); | |
2233 | } | |
463ee0b2 LW |
2234 | if (!SvUPGRADE(sv, SVt_PV)) |
2235 | return; | |
2236 | if (!ptr) { | |
a0d0e21e | 2237 | (void)SvOK_off(sv); |
463ee0b2 LW |
2238 | return; |
2239 | } | |
2240 | if (SvPVX(sv)) | |
2241 | Safefree(SvPVX(sv)); | |
2242 | Renew(ptr, len+1, char); | |
2243 | SvPVX(sv) = ptr; | |
2244 | SvCUR_set(sv, len); | |
2245 | SvLEN_set(sv, len+1); | |
2246 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2247 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2248 | SvTAINT(sv); |
79072805 LW |
2249 | } |
2250 | ||
2251 | void | |
2252 | sv_chop(sv,ptr) /* like set but assuming ptr is in sv */ | |
2253 | register SV *sv; | |
2254 | register char *ptr; | |
2255 | { | |
2256 | register STRLEN delta; | |
2257 | ||
a0d0e21e | 2258 | if (!ptr || !SvPOKp(sv)) |
79072805 | 2259 | return; |
ed6116ce | 2260 | if (SvTHINKFIRST(sv)) { |
8990e307 | 2261 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce LW |
2262 | croak(no_modify); |
2263 | if (SvROK(sv)) | |
2264 | sv_unref(sv); | |
2265 | } | |
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 | ||
55497cff | 2370 | if (SvREADONLY(sv) && curcop != &compiling && !strchr("gBf", how)) |
a0d0e21e | 2371 | croak(no_modify); |
4633a7c4 | 2372 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
748a9306 LW |
2373 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
2374 | if (how == 't') | |
2375 | mg->mg_len |= 1; | |
463ee0b2 | 2376 | return; |
748a9306 | 2377 | } |
463ee0b2 LW |
2378 | } |
2379 | else { | |
2380 | if (!SvUPGRADE(sv, SVt_PVMG)) | |
2381 | return; | |
463ee0b2 | 2382 | } |
79072805 LW |
2383 | Newz(702,mg, 1, MAGIC); |
2384 | mg->mg_moremagic = SvMAGIC(sv); | |
463ee0b2 | 2385 | |
79072805 | 2386 | SvMAGIC(sv) = mg; |
748a9306 | 2387 | if (!obj || obj == sv || how == '#') |
8990e307 | 2388 | mg->mg_obj = obj; |
85e6fe83 | 2389 | else { |
8990e307 | 2390 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 LW |
2391 | mg->mg_flags |= MGf_REFCOUNTED; |
2392 | } | |
79072805 | 2393 | mg->mg_type = how; |
463ee0b2 | 2394 | mg->mg_len = namlen; |
1edc1566 | 2395 | if (name) |
2396 | if (namlen >= 0) | |
2397 | mg->mg_ptr = savepvn(name, namlen); | |
2398 | else if (namlen == HEf_SVKEY) | |
2399 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); | |
2400 | ||
79072805 LW |
2401 | switch (how) { |
2402 | case 0: | |
2403 | mg->mg_virtual = &vtbl_sv; | |
2404 | break; | |
a0d0e21e LW |
2405 | #ifdef OVERLOAD |
2406 | case 'A': | |
2407 | mg->mg_virtual = &vtbl_amagic; | |
2408 | break; | |
2409 | case 'a': | |
2410 | mg->mg_virtual = &vtbl_amagicelem; | |
2411 | break; | |
2412 | case 'c': | |
2413 | mg->mg_virtual = 0; | |
2414 | break; | |
2415 | #endif /* OVERLOAD */ | |
79072805 LW |
2416 | case 'B': |
2417 | mg->mg_virtual = &vtbl_bm; | |
2418 | break; | |
79072805 LW |
2419 | case 'E': |
2420 | mg->mg_virtual = &vtbl_env; | |
2421 | break; | |
55497cff | 2422 | case 'f': |
2423 | mg->mg_virtual = &vtbl_fm; | |
2424 | break; | |
79072805 LW |
2425 | case 'e': |
2426 | mg->mg_virtual = &vtbl_envelem; | |
2427 | break; | |
93a17b20 LW |
2428 | case 'g': |
2429 | mg->mg_virtual = &vtbl_mglob; | |
2430 | break; | |
463ee0b2 LW |
2431 | case 'I': |
2432 | mg->mg_virtual = &vtbl_isa; | |
2433 | break; | |
2434 | case 'i': | |
2435 | mg->mg_virtual = &vtbl_isaelem; | |
2436 | break; | |
16660edb | 2437 | case 'k': |
2438 | mg->mg_virtual = &vtbl_nkeys; | |
2439 | break; | |
79072805 | 2440 | case 'L': |
a0d0e21e | 2441 | SvRMAGICAL_on(sv); |
93a17b20 LW |
2442 | mg->mg_virtual = 0; |
2443 | break; | |
2444 | case 'l': | |
79072805 LW |
2445 | mg->mg_virtual = &vtbl_dbline; |
2446 | break; | |
36477c24 | 2447 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 | 2448 | case 'o': |
2449 | mg->mg_virtual = &vtbl_collxfrm; | |
2450 | break; | |
36477c24 | 2451 | #endif /* USE_LOCALE_COLLATE */ |
463ee0b2 LW |
2452 | case 'P': |
2453 | mg->mg_virtual = &vtbl_pack; | |
2454 | break; | |
2455 | case 'p': | |
a0d0e21e | 2456 | case 'q': |
463ee0b2 LW |
2457 | mg->mg_virtual = &vtbl_packelem; |
2458 | break; | |
79072805 LW |
2459 | case 'S': |
2460 | mg->mg_virtual = &vtbl_sig; | |
2461 | break; | |
2462 | case 's': | |
2463 | mg->mg_virtual = &vtbl_sigelem; | |
2464 | break; | |
463ee0b2 LW |
2465 | case 't': |
2466 | mg->mg_virtual = &vtbl_taint; | |
748a9306 | 2467 | mg->mg_len = 1; |
463ee0b2 | 2468 | break; |
79072805 LW |
2469 | case 'U': |
2470 | mg->mg_virtual = &vtbl_uvar; | |
2471 | break; | |
2472 | case 'v': | |
2473 | mg->mg_virtual = &vtbl_vec; | |
2474 | break; | |
2475 | case 'x': | |
2476 | mg->mg_virtual = &vtbl_substr; | |
2477 | break; | |
5f05dabc | 2478 | case 'y': |
68dc0745 | 2479 | mg->mg_virtual = &vtbl_defelem; |
5f05dabc | 2480 | break; |
79072805 LW |
2481 | case '*': |
2482 | mg->mg_virtual = &vtbl_glob; | |
2483 | break; | |
2484 | case '#': | |
2485 | mg->mg_virtual = &vtbl_arylen; | |
2486 | break; | |
a0d0e21e LW |
2487 | case '.': |
2488 | mg->mg_virtual = &vtbl_pos; | |
2489 | break; | |
4633a7c4 LW |
2490 | case '~': /* Reserved for use by extensions not perl internals. */ |
2491 | /* Useful for attaching extension internal data to perl vars. */ | |
2492 | /* Note that multiple extensions may clash if magical scalars */ | |
2493 | /* etc holding private data from one are passed to another. */ | |
2494 | SvRMAGICAL_on(sv); | |
a0d0e21e | 2495 | break; |
79072805 | 2496 | default: |
463ee0b2 LW |
2497 | croak("Don't know how to handle magic of type '%c'", how); |
2498 | } | |
8990e307 LW |
2499 | mg_magical(sv); |
2500 | if (SvGMAGICAL(sv)) | |
2501 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 LW |
2502 | } |
2503 | ||
2504 | int | |
2505 | sv_unmagic(sv, type) | |
2506 | SV* sv; | |
a0d0e21e | 2507 | int type; |
463ee0b2 LW |
2508 | { |
2509 | MAGIC* mg; | |
2510 | MAGIC** mgp; | |
91bba347 | 2511 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
463ee0b2 LW |
2512 | return 0; |
2513 | mgp = &SvMAGIC(sv); | |
2514 | for (mg = *mgp; mg; mg = *mgp) { | |
2515 | if (mg->mg_type == type) { | |
2516 | MGVTBL* vtbl = mg->mg_virtual; | |
2517 | *mgp = mg->mg_moremagic; | |
2518 | if (vtbl && vtbl->svt_free) | |
2519 | (*vtbl->svt_free)(sv, mg); | |
2520 | if (mg->mg_ptr && mg->mg_type != 'g') | |
1edc1566 | 2521 | if (mg->mg_len >= 0) |
2522 | Safefree(mg->mg_ptr); | |
2523 | else if (mg->mg_len == HEf_SVKEY) | |
2524 | SvREFCNT_dec((SV*)mg->mg_ptr); | |
a0d0e21e LW |
2525 | if (mg->mg_flags & MGf_REFCOUNTED) |
2526 | SvREFCNT_dec(mg->mg_obj); | |
463ee0b2 LW |
2527 | Safefree(mg); |
2528 | } | |
2529 | else | |
2530 | mgp = &mg->mg_moremagic; | |
79072805 | 2531 | } |
91bba347 | 2532 | if (!SvMAGIC(sv)) { |
463ee0b2 | 2533 | SvMAGICAL_off(sv); |
8990e307 | 2534 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 LW |
2535 | } |
2536 | ||
2537 | return 0; | |
79072805 LW |
2538 | } |
2539 | ||
2540 | void | |
2541 | sv_insert(bigstr,offset,len,little,littlelen) | |
2542 | SV *bigstr; | |
2543 | STRLEN offset; | |
2544 | STRLEN len; | |
2545 | char *little; | |
2546 | STRLEN littlelen; | |
2547 | { | |
2548 | register char *big; | |
2549 | register char *mid; | |
2550 | register char *midend; | |
2551 | register char *bigend; | |
2552 | register I32 i; | |
2553 | ||
8990e307 LW |
2554 | if (!bigstr) |
2555 | croak("Can't modify non-existent substring"); | |
a0d0e21e | 2556 | SvPV_force(bigstr, na); |
79072805 LW |
2557 | |
2558 | i = littlelen - len; | |
2559 | if (i > 0) { /* string might grow */ | |
a0d0e21e | 2560 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 LW |
2561 | mid = big + offset + len; |
2562 | midend = bigend = big + SvCUR(bigstr); | |
2563 | bigend += i; | |
2564 | *bigend = '\0'; | |
2565 | while (midend > mid) /* shove everything down */ | |
2566 | *--bigend = *--midend; | |
2567 | Move(little,big+offset,littlelen,char); | |
2568 | SvCUR(bigstr) += i; | |
2569 | SvSETMAGIC(bigstr); | |
2570 | return; | |
2571 | } | |
2572 | else if (i == 0) { | |
463ee0b2 | 2573 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 LW |
2574 | SvSETMAGIC(bigstr); |
2575 | return; | |
2576 | } | |
2577 | ||
463ee0b2 | 2578 | big = SvPVX(bigstr); |
79072805 LW |
2579 | mid = big + offset; |
2580 | midend = mid + len; | |
2581 | bigend = big + SvCUR(bigstr); | |
2582 | ||
2583 | if (midend > bigend) | |
463ee0b2 | 2584 | croak("panic: sv_insert"); |
79072805 LW |
2585 | |
2586 | if (mid - big > bigend - midend) { /* faster to shorten from end */ | |
2587 | if (littlelen) { | |
2588 | Move(little, mid, littlelen,char); | |
2589 | mid += littlelen; | |
2590 | } | |
2591 | i = bigend - midend; | |
2592 | if (i > 0) { | |
2593 | Move(midend, mid, i,char); | |
2594 | mid += i; | |
2595 | } | |
2596 | *mid = '\0'; | |
2597 | SvCUR_set(bigstr, mid - big); | |
2598 | } | |
2599 | /*SUPPRESS 560*/ | |
2600 | else if (i = mid - big) { /* faster from front */ | |
2601 | midend -= littlelen; | |
2602 | mid = midend; | |
2603 | sv_chop(bigstr,midend-i); | |
2604 | big += i; | |
2605 | while (i--) | |
2606 | *--midend = *--big; | |
2607 | if (littlelen) | |
2608 | Move(little, mid, littlelen,char); | |
2609 | } | |
2610 | else if (littlelen) { | |
2611 | midend -= littlelen; | |
2612 | sv_chop(bigstr,midend); | |
2613 | Move(little,midend,littlelen,char); | |
2614 | } | |
2615 | else { | |
2616 | sv_chop(bigstr,midend); | |
2617 | } | |
2618 | SvSETMAGIC(bigstr); | |
2619 | } | |
2620 | ||
2621 | /* make sv point to what nstr did */ | |
2622 | ||
2623 | void | |
2624 | sv_replace(sv,nsv) | |
2625 | register SV *sv; | |
2626 | register SV *nsv; | |
2627 | { | |
2628 | U32 refcnt = SvREFCNT(sv); | |
ed6116ce | 2629 | if (SvTHINKFIRST(sv)) { |
8990e307 | 2630 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce LW |
2631 | croak(no_modify); |
2632 | if (SvROK(sv)) | |
2633 | sv_unref(sv); | |
2634 | } | |
79072805 LW |
2635 | if (SvREFCNT(nsv) != 1) |
2636 | warn("Reference miscount in sv_replace()"); | |
93a17b20 | 2637 | if (SvMAGICAL(sv)) { |
a0d0e21e LW |
2638 | if (SvMAGICAL(nsv)) |
2639 | mg_free(nsv); | |
2640 | else | |
2641 | sv_upgrade(nsv, SVt_PVMG); | |
93a17b20 | 2642 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e | 2643 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 LW |
2644 | SvMAGICAL_off(sv); |
2645 | SvMAGIC(sv) = 0; | |
2646 | } | |
79072805 LW |
2647 | SvREFCNT(sv) = 0; |
2648 | sv_clear(sv); | |
477f5d66 | 2649 | assert(!SvREFCNT(sv)); |
79072805 LW |
2650 | StructCopy(nsv,sv,SV); |
2651 | SvREFCNT(sv) = refcnt; | |
1edc1566 | 2652 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
463ee0b2 | 2653 | del_SV(nsv); |
79072805 LW |
2654 | } |
2655 | ||
2656 | void | |
2657 | sv_clear(sv) | |
2658 | register SV *sv; | |
2659 | { | |
2660 | assert(sv); | |
2661 | assert(SvREFCNT(sv) == 0); | |
2662 | ||
ed6116ce | 2663 | if (SvOBJECT(sv)) { |
a0d0e21e | 2664 | if (defstash) { /* Still have a symbol table? */ |
8ebc5c01 | 2665 | dSP; |
2666 | GV* destructor; | |
a0d0e21e LW |
2667 | |
2668 | ENTER; | |
2669 | SAVEFREESV(SvSTASH(sv)); | |
8ebc5c01 | 2670 | |
2671 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); | |
2672 | if (destructor) { | |
a0d0e21e LW |
2673 | SV ref; |
2674 | ||
2675 | Zero(&ref, 1, SV); | |
2676 | sv_upgrade(&ref, SVt_RV); | |
a0d0e21e LW |
2677 | SvRV(&ref) = SvREFCNT_inc(sv); |
2678 | SvROK_on(&ref); | |
d368068e IZ |
2679 | SvREFCNT(&ref) = 1; /* Fake, but otherwise |
2680 | creating+destructing a ref | |
2681 | leads to disaster. */ | |
a0d0e21e LW |
2682 | |
2683 | EXTEND(SP, 2); | |
2684 | PUSHMARK(SP); | |
2685 | PUSHs(&ref); | |
2686 | PUTBACK; | |
8ebc5c01 | 2687 | perl_call_sv((SV*)GvCV(destructor), |
2688 | G_DISCARD|G_EVAL|G_KEEPERR); | |
748a9306 | 2689 | del_XRV(SvANY(&ref)); |
1edc1566 | 2690 | SvREFCNT(sv)--; |
a0d0e21e | 2691 | } |
8ebc5c01 | 2692 | |
a0d0e21e LW |
2693 | LEAVE; |
2694 | } | |
4633a7c4 LW |
2695 | else |
2696 | SvREFCNT_dec(SvSTASH(sv)); | |
a0d0e21e LW |
2697 | if (SvOBJECT(sv)) { |
2698 | SvOBJECT_off(sv); /* Curse the object. */ | |
2699 | if (SvTYPE(sv) != SVt_PVIO) | |
2700 | --sv_objcount; /* XXX Might want something more general */ | |
2701 | } | |
1edc1566 | 2702 | if (SvREFCNT(sv)) { |
477f5d66 | 2703 | SV *ret; |
1edc1566 | 2704 | if ( perldb |
2705 | && (ret = perl_get_sv("DB::ret", FALSE)) | |
2706 | && SvROK(ret) && SvRV(ret) == sv && SvREFCNT(sv) == 1) { | |
2707 | /* Debugger is prone to dangling references. */ | |
2708 | SvRV(ret) = 0; | |
2709 | SvROK_off(ret); | |
2710 | SvREFCNT(sv) = 0; | |
477f5d66 CS |
2711 | } |
2712 | else { | |
2713 | if (in_clean_objs) | |
2714 | croak("DESTROY created new reference to dead object"); | |
2715 | /* DESTROY gave object new lease on life */ | |
2716 | return; | |
1edc1566 | 2717 | } |
2718 | } | |
463ee0b2 | 2719 | } |
c07a80fd | 2720 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
a0d0e21e | 2721 | mg_free(sv); |
79072805 | 2722 | switch (SvTYPE(sv)) { |
8990e307 | 2723 | case SVt_PVIO: |
5f05dabc | 2724 | if (IoIFP(sv) != PerlIO_stdin() && |
2725 | IoIFP(sv) != PerlIO_stdout() && | |
2726 | IoIFP(sv) != PerlIO_stderr()) | |
2727 | io_close((IO*)sv); | |
8990e307 LW |
2728 | Safefree(IoTOP_NAME(sv)); |
2729 | Safefree(IoFMT_NAME(sv)); | |
2730 | Safefree(IoBOTTOM_NAME(sv)); | |
a0d0e21e | 2731 | /* FALL THROUGH */ |
79072805 | 2732 | case SVt_PVBM: |
a0d0e21e | 2733 | goto freescalar; |
79072805 | 2734 | case SVt_PVCV: |
748a9306 | 2735 | case SVt_PVFM: |
85e6fe83 | 2736 | cv_undef((CV*)sv); |
a0d0e21e | 2737 | goto freescalar; |
79072805 | 2738 | case SVt_PVHV: |
85e6fe83 | 2739 | hv_undef((HV*)sv); |
a0d0e21e | 2740 | break; |
79072805 | 2741 | case SVt_PVAV: |
85e6fe83 | 2742 | av_undef((AV*)sv); |
a0d0e21e LW |
2743 | break; |
2744 | case SVt_PVGV: | |
1edc1566 | 2745 | gp_free((GV*)sv); |
a0d0e21e LW |
2746 | Safefree(GvNAME(sv)); |
2747 | /* FALL THROUGH */ | |
79072805 | 2748 | case SVt_PVLV: |
79072805 | 2749 | case SVt_PVMG: |
79072805 LW |
2750 | case SVt_PVNV: |
2751 | case SVt_PVIV: | |
a0d0e21e LW |
2752 | freescalar: |
2753 | (void)SvOOK_off(sv); | |
79072805 LW |
2754 | /* FALL THROUGH */ |
2755 | case SVt_PV: | |
a0d0e21e | 2756 | case SVt_RV: |
8990e307 LW |
2757 | if (SvROK(sv)) |
2758 | SvREFCNT_dec(SvRV(sv)); | |
1edc1566 | 2759 | else if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 | 2760 | Safefree(SvPVX(sv)); |
79072805 | 2761 | break; |
a0d0e21e | 2762 | /* |
79072805 | 2763 | case SVt_NV: |
79072805 | 2764 | case SVt_IV: |
79072805 LW |
2765 | case SVt_NULL: |
2766 | break; | |
a0d0e21e | 2767 | */ |
79072805 LW |
2768 | } |
2769 | ||
2770 | switch (SvTYPE(sv)) { | |
2771 | case SVt_NULL: | |
2772 | break; | |
79072805 LW |
2773 | case SVt_IV: |
2774 | del_XIV(SvANY(sv)); | |
2775 | break; | |
2776 | case SVt_NV: | |
2777 | del_XNV(SvANY(sv)); | |
2778 | break; | |
ed6116ce LW |
2779 | case SVt_RV: |
2780 | del_XRV(SvANY(sv)); | |
2781 | break; | |
79072805 LW |
2782 | case SVt_PV: |
2783 | del_XPV(SvANY(sv)); | |
2784 | break; | |
2785 | case SVt_PVIV: | |
2786 | del_XPVIV(SvANY(sv)); | |
2787 | break; | |
2788 | case SVt_PVNV: | |
2789 | del_XPVNV(SvANY(sv)); | |
2790 | break; | |
2791 | case SVt_PVMG: | |
2792 | del_XPVMG(SvANY(sv)); | |
2793 | break; | |
2794 | case SVt_PVLV: | |
2795 | del_XPVLV(SvANY(sv)); | |
2796 | break; | |
2797 | case SVt_PVAV: | |
2798 | del_XPVAV(SvANY(sv)); | |
2799 | break; | |
2800 | case SVt_PVHV: | |
2801 | del_XPVHV(SvANY(sv)); | |
2802 | break; | |
2803 | case SVt_PVCV: | |
2804 | del_XPVCV(SvANY(sv)); | |
2805 | break; | |
2806 | case SVt_PVGV: | |
2807 | del_XPVGV(SvANY(sv)); | |
2808 | break; | |
2809 | case SVt_PVBM: | |
2810 | del_XPVBM(SvANY(sv)); | |
2811 | break; | |
2812 | case SVt_PVFM: | |
2813 | del_XPVFM(SvANY(sv)); | |
2814 | break; | |
8990e307 LW |
2815 | case SVt_PVIO: |
2816 | del_XPVIO(SvANY(sv)); | |
2817 | break; | |
79072805 | 2818 | } |
a0d0e21e | 2819 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 | 2820 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 LW |
2821 | } |
2822 | ||
2823 | SV * | |
8990e307 | 2824 | sv_newref(sv) |
79072805 LW |
2825 | SV* sv; |
2826 | { | |
463ee0b2 LW |
2827 | if (sv) |
2828 | SvREFCNT(sv)++; | |
79072805 LW |
2829 | return sv; |
2830 | } | |
2831 | ||
2832 | void | |
2833 | sv_free(sv) | |
2834 | SV *sv; | |
2835 | { | |
2836 | if (!sv) | |
2837 | return; | |
a0d0e21e LW |
2838 | if (SvREADONLY(sv)) { |
2839 | if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no) | |
2840 | return; | |
79072805 | 2841 | } |
a0d0e21e LW |
2842 | if (SvREFCNT(sv) == 0) { |
2843 | if (SvFLAGS(sv) & SVf_BREAK) | |
2844 | return; | |
1edc1566 | 2845 | if (in_clean_all) /* All is fair */ |
2846 | return; | |
79072805 LW |
2847 | warn("Attempt to free unreferenced scalar"); |
2848 | return; | |
2849 | } | |
8990e307 LW |
2850 | if (--SvREFCNT(sv) > 0) |
2851 | return; | |
463ee0b2 LW |
2852 | #ifdef DEBUGGING |
2853 | if (SvTEMP(sv)) { | |
2854 | warn("Attempt to free temp prematurely"); | |
79072805 | 2855 | return; |
79072805 | 2856 | } |
463ee0b2 | 2857 | #endif |
79072805 | 2858 | sv_clear(sv); |
477f5d66 CS |
2859 | if (! SvREFCNT(sv)) |
2860 | del_SV(sv); | |
79072805 LW |
2861 | } |
2862 | ||
2863 | STRLEN | |
2864 | sv_len(sv) | |
2865 | register SV *sv; | |
2866 | { | |
748a9306 | 2867 | char *junk; |
463ee0b2 | 2868 | STRLEN len; |
79072805 LW |
2869 | |
2870 | if (!sv) | |
2871 | return 0; | |
2872 | ||
8990e307 LW |
2873 | if (SvGMAGICAL(sv)) |
2874 | len = mg_len(sv); | |
2875 | else | |
748a9306 | 2876 | junk = SvPV(sv, len); |
463ee0b2 | 2877 | return len; |
79072805 LW |
2878 | } |
2879 | ||
2880 | I32 | |
2881 | sv_eq(str1,str2) | |
2882 | register SV *str1; | |
2883 | register SV *str2; | |
2884 | { | |
2885 | char *pv1; | |
463ee0b2 | 2886 | STRLEN cur1; |
79072805 | 2887 | char *pv2; |
463ee0b2 | 2888 | STRLEN cur2; |
79072805 LW |
2889 | |
2890 | if (!str1) { | |
2891 | pv1 = ""; | |
2892 | cur1 = 0; | |
2893 | } | |
463ee0b2 LW |
2894 | else |
2895 | pv1 = SvPV(str1, cur1); | |
79072805 LW |
2896 | |
2897 | if (!str2) | |
2898 | return !cur1; | |
463ee0b2 LW |
2899 | else |
2900 | pv2 = SvPV(str2, cur2); | |
79072805 LW |
2901 | |
2902 | if (cur1 != cur2) | |
2903 | return 0; | |
2904 | ||
36477c24 | 2905 | return memEQ(pv1, pv2, cur1); |
79072805 LW |
2906 | } |
2907 | ||
2908 | I32 | |
bbce6d69 | 2909 | sv_cmp(str1, str2) |
79072805 LW |
2910 | register SV *str1; |
2911 | register SV *str2; | |
2912 | { | |
bbce6d69 | 2913 | STRLEN cur1 = 0; |
2914 | char *pv1 = str1 ? SvPV(str1, cur1) : NULL; | |
2915 | STRLEN cur2 = 0; | |
2916 | char *pv2 = str2 ? SvPV(str2, cur2) : NULL; | |
79072805 | 2917 | I32 retval; |
79072805 | 2918 | |
bbce6d69 | 2919 | if (!cur1) |
2920 | return cur2 ? -1 : 0; | |
16660edb | 2921 | |
bbce6d69 | 2922 | if (!cur2) |
2923 | return 1; | |
79072805 | 2924 | |
bbce6d69 | 2925 | retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); |
16660edb | 2926 | |
bbce6d69 | 2927 | if (retval) |
2928 | return retval < 0 ? -1 : 1; | |
16660edb | 2929 | |
bbce6d69 | 2930 | if (cur1 == cur2) |
2931 | return 0; | |
2932 | else | |
2933 | return cur1 < cur2 ? -1 : 1; | |
2934 | } | |
16660edb | 2935 | |
bbce6d69 | 2936 | I32 |
2937 | sv_cmp_locale(sv1, sv2) | |
2938 | register SV *sv1; | |
2939 | register SV *sv2; | |
2940 | { | |
36477c24 | 2941 | #ifdef USE_LOCALE_COLLATE |
16660edb | 2942 | |
bbce6d69 | 2943 | char *pv1, *pv2; |
2944 | STRLEN len1, len2; | |
2945 | I32 retval; | |
16660edb | 2946 | |
bbce6d69 | 2947 | if (collation_standard) |
2948 | goto raw_compare; | |
16660edb | 2949 | |
bbce6d69 | 2950 | len1 = 0; |
2951 | pv1 = sv1 ? sv_collxfrm(sv1, &len1) : NULL; | |
2952 | len2 = 0; | |
2953 | pv2 = sv2 ? sv_collxfrm(sv2, &len2) : NULL; | |
16660edb | 2954 | |
bbce6d69 | 2955 | if (!pv1 || !len1) { |
2956 | if (pv2 && len2) | |
2957 | return -1; | |
2958 | else | |
2959 | goto raw_compare; | |
2960 | } | |
2961 | else { | |
2962 | if (!pv2 || !len2) | |
2963 | return 1; | |
2964 | } | |
16660edb | 2965 | |
bbce6d69 | 2966 | retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); |
16660edb | 2967 | |
bbce6d69 | 2968 | if (retval) |
16660edb | 2969 | return retval < 0 ? -1 : 1; |
2970 | ||
bbce6d69 | 2971 | /* |
2972 | * When the result of collation is equality, that doesn't mean | |
2973 | * that there are no differences -- some locales exclude some | |
2974 | * characters from consideration. So to avoid false equalities, | |
2975 | * we use the raw string as a tiebreaker. | |
2976 | */ | |
16660edb | 2977 | |
bbce6d69 | 2978 | raw_compare: |
2979 | /* FALL THROUGH */ | |
16660edb | 2980 | |
36477c24 | 2981 | #endif /* USE_LOCALE_COLLATE */ |
16660edb | 2982 | |
bbce6d69 | 2983 | return sv_cmp(sv1, sv2); |
2984 | } | |
79072805 | 2985 | |
36477c24 | 2986 | #ifdef USE_LOCALE_COLLATE |
7a4c00b4 | 2987 | /* |
2988 | * Any scalar variable may carry an 'o' magic that contains the | |
2989 | * scalar data of the variable transformed to such a format that | |
2990 | * a normal memory comparison can be used to compare the data | |
2991 | * according to the locale settings. | |
2992 | */ | |
bbce6d69 | 2993 | char * |
2994 | sv_collxfrm(sv, nxp) | |
2995 | SV *sv; | |
2996 | STRLEN *nxp; | |
2997 | { | |
7a4c00b4 | 2998 | MAGIC *mg; |
16660edb | 2999 | |
7a4c00b4 | 3000 | mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : NULL; |
3001 | if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != collation_ix) { | |
bbce6d69 | 3002 | char *s, *xf; |
3003 | STRLEN len, xlen; | |
3004 | ||
7a4c00b4 | 3005 | if (mg) |
3006 | Safefree(mg->mg_ptr); | |
bbce6d69 | 3007 | s = SvPV(sv, len); |
3008 | if ((xf = mem_collxfrm(s, len, &xlen))) { | |
ff0cee69 | 3009 | if (SvREADONLY(sv)) { |
3010 | SAVEFREEPV(xf); | |
3011 | *nxp = xlen; | |
3012 | return xf; | |
3013 | } | |
7a4c00b4 | 3014 | if (! mg) { |
3015 | sv_magic(sv, 0, 'o', 0, 0); | |
3016 | mg = mg_find(sv, 'o'); | |
3017 | assert(mg); | |
bbce6d69 | 3018 | } |
7a4c00b4 | 3019 | mg->mg_ptr = xf; |
3020 | mg->mg_len = xlen; | |
3021 | } | |
3022 | else { | |
ff0cee69 | 3023 | if (mg) { |
3024 | mg->mg_ptr = NULL; | |
3025 | mg->mg_len = -1; | |
3026 | } | |
bbce6d69 | 3027 | } |
3028 | } | |
7a4c00b4 | 3029 | if (mg && mg->mg_ptr) { |
bbce6d69 | 3030 | *nxp = mg->mg_len; |
3031 | return mg->mg_ptr + sizeof(collation_ix); | |
3032 | } | |
3033 | else { | |
3034 | *nxp = 0; | |
3035 | return NULL; | |
16660edb | 3036 | } |
79072805 LW |
3037 | } |
3038 | ||
36477c24 | 3039 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 3040 | |
79072805 LW |
3041 | char * |
3042 | sv_gets(sv,fp,append) | |
3043 | register SV *sv; | |
760ac839 | 3044 | register PerlIO *fp; |
79072805 LW |
3045 | I32 append; |
3046 | { | |
c07a80fd | 3047 | char *rsptr; |
3048 | STRLEN rslen; | |
3049 | register STDCHAR rslast; | |
3050 | register STDCHAR *bp; | |
3051 | register I32 cnt; | |
3052 | I32 i; | |
3053 | ||
ed6116ce | 3054 | if (SvTHINKFIRST(sv)) { |
8990e307 | 3055 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce LW |
3056 | croak(no_modify); |
3057 | if (SvROK(sv)) | |
3058 | sv_unref(sv); | |
3059 | } | |
79072805 | 3060 | if (!SvUPGRADE(sv, SVt_PV)) |
a0d0e21e | 3061 | return 0; |
ff68c719 | 3062 | SvSCREAM_off(sv); |
c07a80fd | 3063 | |
3064 | if (RsSNARF(rs)) { | |
3065 | rsptr = NULL; | |
3066 | rslen = 0; | |
3067 | } | |
3068 | else if (RsPARA(rs)) { | |
3069 | rsptr = "\n\n"; | |
3070 | rslen = 2; | |
3071 | } | |
3072 | else | |
3073 | rsptr = SvPV(rs, rslen); | |
3074 | rslast = rslen ? rsptr[rslen - 1] : '\0'; | |
3075 | ||
3076 | if (RsPARA(rs)) { /* have to do this both before and after */ | |
79072805 | 3077 | do { /* to make sure file boundaries work right */ |
760ac839 | 3078 | if (PerlIO_eof(fp)) |
a0d0e21e | 3079 | return 0; |
760ac839 | 3080 | i = PerlIO_getc(fp); |
79072805 | 3081 | if (i != '\n') { |
a0d0e21e LW |
3082 | if (i == -1) |
3083 | return 0; | |
760ac839 | 3084 | PerlIO_ungetc(fp,i); |
79072805 LW |
3085 | break; |
3086 | } | |
3087 | } while (i != EOF); | |
3088 | } | |
c07a80fd | 3089 | |
760ac839 LW |
3090 | /* See if we know enough about I/O mechanism to cheat it ! */ |
3091 | ||
3092 | /* This used to be #ifdef test - it is made run-time test for ease | |
3093 | of abstracting out stdio interface. One call should be cheap | |
3094 | enough here - and may even be a macro allowing compile | |
3095 | time optimization. | |
3096 | */ | |
3097 | ||
3098 | if (PerlIO_fast_gets(fp)) { | |
3099 | ||
3100 | /* | |
3101 | * We're going to steal some values from the stdio struct | |
3102 | * and put EVERYTHING in the innermost loop into registers. | |
3103 | */ | |
3104 | register STDCHAR *ptr; | |
3105 | STRLEN bpx; | |
3106 | I32 shortbuffered; | |
3107 | ||
16660edb | 3108 | #if defined(VMS) && defined(PERLIO_IS_STDIO) |
3109 | /* An ungetc()d char is handled separately from the regular | |
3110 | * buffer, so we getc() it back out and stuff it in the buffer. | |
3111 | */ | |
3112 | i = PerlIO_getc(fp); | |
3113 | if (i == EOF) return 0; | |
3114 | *(--((*fp)->_ptr)) = (unsigned char) i; | |
3115 | (*fp)->_cnt++; | |
3116 | #endif | |
c07a80fd | 3117 | |
c2960299 | 3118 | /* Here is some breathtakingly efficient cheating */ |
c07a80fd | 3119 | |
760ac839 | 3120 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
a0d0e21e | 3121 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 LW |
3122 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
3123 | if (cnt > 80 && SvLEN(sv) > append) { | |
3124 | shortbuffered = cnt - SvLEN(sv) + append + 1; | |
3125 | cnt -= shortbuffered; | |
3126 | } | |
3127 | else { | |
3128 | shortbuffered = 0; | |
bbce6d69 | 3129 | /* remember that cnt can be negative */ |
3130 | SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); | |
79072805 LW |
3131 | } |
3132 | } | |
3133 | else | |
3134 | shortbuffered = 0; | |
c07a80fd | 3135 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
760ac839 | 3136 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
16660edb | 3137 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3138 | "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
16660edb | 3139 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3140 | "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3141 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3142 | (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 LW |
3143 | for (;;) { |
3144 | screamer: | |
93a17b20 | 3145 | if (cnt > 0) { |
c07a80fd | 3146 | if (rslen) { |
760ac839 LW |
3147 | while (cnt > 0) { /* this | eat */ |
3148 | cnt--; | |
c07a80fd | 3149 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
3150 | goto thats_all_folks; /* screams | sed :-) */ | |
3151 | } | |
3152 | } | |
3153 | else { | |
36477c24 | 3154 | Copy(ptr, bp, cnt, char); /* this | eat */ |
c07a80fd | 3155 | bp += cnt; /* screams | dust */ |
3156 | ptr += cnt; /* louder | sed :-) */ | |
a5f75d66 | 3157 | cnt = 0; |
93a17b20 | 3158 | } |
79072805 LW |
3159 | } |
3160 | ||
748a9306 | 3161 | if (shortbuffered) { /* oh well, must extend */ |
79072805 LW |
3162 | cnt = shortbuffered; |
3163 | shortbuffered = 0; | |
c07a80fd | 3164 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3165 | SvCUR_set(sv, bpx); |
3166 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); | |
c07a80fd | 3167 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
79072805 LW |
3168 | continue; |
3169 | } | |
3170 | ||
16660edb | 3171 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3172 | "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3173 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
16660edb | 3174 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3175 | "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3176 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3177 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
16660edb | 3178 | /* This used to call 'filbuf' in stdio form, but as that behaves like |
774d564b | 3179 | getc when cnt <= 0 we use PerlIO_getc here to avoid introducing |
3180 | another abstraction. */ | |
760ac839 | 3181 | i = PerlIO_getc(fp); /* get more characters */ |
16660edb | 3182 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3183 | "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3184 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3185 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
760ac839 LW |
3186 | cnt = PerlIO_get_cnt(fp); |
3187 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ | |
16660edb | 3188 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3189 | "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
79072805 | 3190 | |
748a9306 LW |
3191 | if (i == EOF) /* all done for ever? */ |
3192 | goto thats_really_all_folks; | |
3193 | ||
c07a80fd | 3194 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3195 | SvCUR_set(sv, bpx); |
3196 | SvGROW(sv, bpx + cnt + 2); | |
c07a80fd | 3197 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
3198 | ||
760ac839 | 3199 | *bp++ = i; /* store character from PerlIO_getc */ |
79072805 | 3200 | |
c07a80fd | 3201 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
79072805 | 3202 | goto thats_all_folks; |
79072805 LW |
3203 | } |
3204 | ||
3205 | thats_all_folks: | |
c07a80fd | 3206 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
36477c24 | 3207 | memNE((char*)bp - rslen, rsptr, rslen)) |
760ac839 | 3208 | goto screamer; /* go back to the fray */ |
79072805 LW |
3209 | thats_really_all_folks: |
3210 | if (shortbuffered) | |
3211 | cnt += shortbuffered; | |
16660edb | 3212 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3213 | "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3214 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
16660edb | 3215 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3216 | "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3217 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3218 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 | 3219 | *bp = '\0'; |
760ac839 | 3220 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
16660edb | 3221 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
3222 | "Screamer: done, len=%d, string=|%.*s|\n", | |
9607fc9c | 3223 | SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); |
760ac839 LW |
3224 | } |
3225 | else | |
79072805 | 3226 | { |
760ac839 | 3227 | /*The big, slow, and stupid way */ |
c07a80fd | 3228 | STDCHAR buf[8192]; |
79072805 | 3229 | |
760ac839 | 3230 | screamer2: |
c07a80fd | 3231 | if (rslen) { |
760ac839 LW |
3232 | register STDCHAR *bpe = buf + sizeof(buf); |
3233 | bp = buf; | |
3234 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) | |
3235 | ; /* keep reading */ | |
3236 | cnt = bp - buf; | |
c07a80fd | 3237 | } |
3238 | else { | |
760ac839 | 3239 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
16660edb | 3240 | /* Accomodate broken VAXC compiler, which applies U8 cast to |
3241 | * both args of ?: operator, causing EOF to change into 255 | |
3242 | */ | |
3243 | if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } | |
c07a80fd | 3244 | } |
79072805 LW |
3245 | |
3246 | if (append) | |
760ac839 | 3247 | sv_catpvn(sv, (char *) buf, cnt); |
79072805 | 3248 | else |
760ac839 | 3249 | sv_setpvn(sv, (char *) buf, cnt); |
c07a80fd | 3250 | |
3251 | if (i != EOF && /* joy */ | |
3252 | (!rslen || | |
3253 | SvCUR(sv) < rslen || | |
36477c24 | 3254 | memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
79072805 LW |
3255 | { |
3256 | append = -1; | |
63e4d877 CS |
3257 | /* |
3258 | * If we're reading from a TTY and we get a short read, | |
3259 | * indicating that the user hit his EOF character, we need | |
3260 | * to notice it now, because if we try to read from the TTY | |
3261 | * again, the EOF condition will disappear. | |
3262 | * | |
3263 | * The comparison of cnt to sizeof(buf) is an optimization | |
3264 | * that prevents unnecessary calls to feof(). | |
3265 | * | |
3266 | * - jik 9/25/96 | |
3267 | */ | |
3268 | if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) | |
3269 | goto screamer2; | |
79072805 LW |
3270 | } |
3271 | } | |
3272 | ||
c07a80fd | 3273 | if (RsPARA(rs)) { /* have to do this both before and after */ |
3274 | while (i != EOF) { /* to make sure file boundaries work right */ | |
760ac839 | 3275 | i = PerlIO_getc(fp); |
79072805 | 3276 | if (i != '\n') { |
760ac839 | 3277 | PerlIO_ungetc(fp,i); |
79072805 LW |
3278 | break; |
3279 | } | |
3280 | } | |
3281 | } | |
c07a80fd | 3282 | |
3283 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; | |
79072805 LW |
3284 | } |
3285 | ||
760ac839 | 3286 | |
79072805 LW |
3287 | void |
3288 | sv_inc(sv) | |
3289 | register SV *sv; | |
3290 | { | |
3291 | register char *d; | |
463ee0b2 | 3292 | int flags; |
79072805 LW |
3293 | |
3294 | if (!sv) | |
3295 | return; | |
ed6116ce | 3296 | if (SvTHINKFIRST(sv)) { |
8990e307 | 3297 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce | 3298 | croak(no_modify); |
a0d0e21e LW |
3299 | if (SvROK(sv)) { |
3300 | #ifdef OVERLOAD | |
3301 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return; | |
3302 | #endif /* OVERLOAD */ | |
3303 | sv_unref(sv); | |
3304 | } | |
ed6116ce | 3305 | } |
8990e307 | 3306 | if (SvGMAGICAL(sv)) |
79072805 | 3307 | mg_get(sv); |
8990e307 | 3308 | flags = SvFLAGS(sv); |
8990e307 | 3309 | if (flags & SVp_NOK) { |
a0d0e21e | 3310 | (void)SvNOK_only(sv); |
55497cff | 3311 | SvNVX(sv) += 1.0; |
3312 | return; | |
3313 | } | |
3314 | if (flags & SVp_IOK) { | |
3315 | if (SvIVX(sv) == IV_MAX) | |
3316 | sv_setnv(sv, (double)IV_MAX + 1.0); | |
3317 | else { | |
3318 | (void)SvIOK_only(sv); | |
3319 | ++SvIVX(sv); | |
3320 | } | |
79072805 LW |
3321 | return; |
3322 | } | |
8990e307 | 3323 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
4633a7c4 LW |
3324 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3325 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3326 | SvNVX(sv) = 1.0; |
a0d0e21e | 3327 | (void)SvNOK_only(sv); |
79072805 LW |
3328 | return; |
3329 | } | |
463ee0b2 | 3330 | d = SvPVX(sv); |
79072805 LW |
3331 | while (isALPHA(*d)) d++; |
3332 | while (isDIGIT(*d)) d++; | |
3333 | if (*d) { | |
36477c24 | 3334 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3335 | sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 LW |
3336 | return; |
3337 | } | |
3338 | d--; | |
463ee0b2 | 3339 | while (d >= SvPVX(sv)) { |
79072805 LW |
3340 | if (isDIGIT(*d)) { |
3341 | if (++*d <= '9') | |
3342 | return; | |
3343 | *(d--) = '0'; | |
3344 | } | |
3345 | else { | |
3346 | ++*d; | |
3347 | if (isALPHA(*d)) | |
3348 | return; | |
3349 | *(d--) -= 'z' - 'a' + 1; | |
3350 | } | |
3351 | } | |
3352 | /* oh,oh, the number grew */ | |
3353 | SvGROW(sv, SvCUR(sv) + 2); | |
3354 | SvCUR(sv)++; | |
463ee0b2 | 3355 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 LW |
3356 | *d = d[-1]; |
3357 | if (isDIGIT(d[1])) | |
3358 | *d = '1'; | |
3359 | else | |
3360 | *d = d[1]; | |
3361 | } | |
3362 | ||
3363 | void | |
3364 | sv_dec(sv) | |
3365 | register SV *sv; | |
3366 | { | |
463ee0b2 LW |
3367 | int flags; |
3368 | ||
79072805 LW |
3369 | if (!sv) |
3370 | return; | |
ed6116ce | 3371 | if (SvTHINKFIRST(sv)) { |
8990e307 | 3372 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce | 3373 | croak(no_modify); |
a0d0e21e LW |
3374 | if (SvROK(sv)) { |
3375 | #ifdef OVERLOAD | |
3376 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return; | |
3377 | #endif /* OVERLOAD */ | |
3378 | sv_unref(sv); | |
3379 | } | |
ed6116ce | 3380 | } |
8990e307 | 3381 | if (SvGMAGICAL(sv)) |
79072805 | 3382 | mg_get(sv); |
8990e307 | 3383 | flags = SvFLAGS(sv); |
8990e307 | 3384 | if (flags & SVp_NOK) { |
463ee0b2 | 3385 | SvNVX(sv) -= 1.0; |
a0d0e21e | 3386 | (void)SvNOK_only(sv); |
79072805 LW |
3387 | return; |
3388 | } | |
55497cff | 3389 | if (flags & SVp_IOK) { |
3390 | if (SvIVX(sv) == IV_MIN) | |
3391 | sv_setnv(sv, (double)IV_MIN - 1.0); | |
3392 | else { | |
3393 | (void)SvIOK_only(sv); | |
3394 | --SvIVX(sv); | |
3395 | } | |
3396 | return; | |
3397 | } | |
8990e307 | 3398 | if (!(flags & SVp_POK)) { |
4633a7c4 LW |
3399 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3400 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3401 | SvNVX(sv) = -1.0; |
a0d0e21e | 3402 | (void)SvNOK_only(sv); |
79072805 LW |
3403 | return; |
3404 | } | |
36477c24 | 3405 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3406 | sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */ |
79072805 LW |
3407 | } |
3408 | ||
3409 | /* Make a string that will exist for the duration of the expression | |
3410 | * evaluation. Actually, it may have to last longer than that, but | |
3411 | * hopefully we won't free it until it has been assigned to a | |
3412 | * permanent location. */ | |
3413 | ||
8990e307 LW |
3414 | static void |
3415 | sv_mortalgrow() | |
3416 | { | |
55497cff | 3417 | tmps_max += (tmps_max < 512) ? 128 : 512; |
8990e307 LW |
3418 | Renew(tmps_stack, tmps_max, SV*); |
3419 | } | |
3420 | ||
79072805 LW |
3421 | SV * |
3422 | sv_mortalcopy(oldstr) | |
3423 | SV *oldstr; | |
3424 | { | |
463ee0b2 | 3425 | register SV *sv; |
79072805 | 3426 | |
4561caa4 | 3427 | new_SV(sv); |
8990e307 LW |
3428 | SvANY(sv) = 0; |
3429 | SvREFCNT(sv) = 1; | |
3430 | SvFLAGS(sv) = 0; | |
79072805 | 3431 | sv_setsv(sv,oldstr); |
8990e307 LW |
3432 | if (++tmps_ix >= tmps_max) |
3433 | sv_mortalgrow(); | |
3434 | tmps_stack[tmps_ix] = sv; | |
3435 | SvTEMP_on(sv); | |
3436 | return sv; | |
3437 | } | |
3438 | ||
3439 | SV * | |
3440 | sv_newmortal() | |
3441 | { | |
3442 | register SV *sv; | |
3443 | ||
4561caa4 | 3444 | new_SV(sv); |
8990e307 LW |
3445 | SvANY(sv) = 0; |
3446 | SvREFCNT(sv) = 1; | |
3447 | SvFLAGS(sv) = SVs_TEMP; | |
3448 | if (++tmps_ix >= tmps_max) | |
3449 | sv_mortalgrow(); | |
79072805 | 3450 | tmps_stack[tmps_ix] = sv; |
79072805 LW |
3451 | return sv; |
3452 | } | |
3453 | ||
3454 | /* same thing without the copying */ | |
3455 | ||
3456 | SV * | |
3457 | sv_2mortal(sv) | |
3458 | register SV *sv; | |
3459 | { | |
3460 | if (!sv) | |
3461 | return sv; | |
a0d0e21e LW |
3462 | if (SvREADONLY(sv) && curcop != &compiling) |
3463 | croak(no_modify); | |
8990e307 LW |
3464 | if (++tmps_ix >= tmps_max) |
3465 | sv_mortalgrow(); | |
79072805 | 3466 | tmps_stack[tmps_ix] = sv; |
8990e307 | 3467 | SvTEMP_on(sv); |
79072805 LW |
3468 | return sv; |
3469 | } | |
3470 | ||
3471 | SV * | |
3472 | newSVpv(s,len) | |
3473 | char *s; | |
3474 | STRLEN len; | |
3475 | { | |
463ee0b2 | 3476 | register SV *sv; |
79072805 | 3477 | |
4561caa4 | 3478 | new_SV(sv); |
8990e307 LW |
3479 | SvANY(sv) = 0; |
3480 | SvREFCNT(sv) = 1; | |
3481 | SvFLAGS(sv) = 0; | |
79072805 LW |
3482 | if (!len) |
3483 | len = strlen(s); | |
3484 | sv_setpvn(sv,s,len); | |
3485 | return sv; | |
3486 | } | |
3487 | ||
46fc3d4c | 3488 | #ifdef I_STDARG |
3489 | SV * | |
3490 | newSVpvf(const char* pat, ...) | |
3491 | #else | |
3492 | /*VARARGS0*/ | |
3493 | SV * | |
fc36a67e | 3494 | newSVpvf(pat, va_alist) |
46fc3d4c | 3495 | const char *pat; |
3496 | va_dcl | |
3497 | #endif | |
3498 | { | |
3499 | register SV *sv; | |
3500 | va_list args; | |
3501 | ||
3502 | new_SV(sv); | |
3503 | SvANY(sv) = 0; | |
3504 | SvREFCNT(sv) = 1; | |
3505 | SvFLAGS(sv) = 0; | |
3506 | #ifdef I_STDARG | |
3507 | va_start(args, pat); | |
3508 | #else | |
3509 | va_start(args); | |
3510 | #endif | |
fc36a67e | 3511 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 3512 | va_end(args); |
3513 | return sv; | |
3514 | } | |
3515 | ||
3516 | ||
79072805 LW |
3517 | SV * |
3518 | newSVnv(n) | |
3519 | double n; | |
3520 | { | |
463ee0b2 | 3521 | register SV *sv; |
79072805 | 3522 | |
4561caa4 | 3523 | new_SV(sv); |
8990e307 LW |
3524 | SvANY(sv) = 0; |
3525 | SvREFCNT(sv) = 1; | |
3526 | SvFLAGS(sv) = 0; | |
79072805 LW |
3527 | sv_setnv(sv,n); |
3528 | return sv; | |
3529 | } | |
3530 | ||
3531 | SV * | |
3532 | newSViv(i) | |
a0d0e21e | 3533 | IV i; |
79072805 | 3534 | { |
463ee0b2 | 3535 | register SV *sv; |
79072805 | 3536 | |
4561caa4 | 3537 | new_SV(sv); |
8990e307 LW |
3538 | SvANY(sv) = 0; |
3539 | SvREFCNT(sv) = 1; | |
3540 | SvFLAGS(sv) = 0; | |
79072805 LW |
3541 | sv_setiv(sv,i); |
3542 | return sv; | |
3543 | } | |
3544 | ||
2304df62 AD |
3545 | SV * |
3546 | newRV(ref) | |
3547 | SV *ref; | |
3548 | { | |
3549 | register SV *sv; | |
3550 | ||
4561caa4 | 3551 | new_SV(sv); |
2304df62 AD |
3552 | SvANY(sv) = 0; |
3553 | SvREFCNT(sv) = 1; | |
3554 | SvFLAGS(sv) = 0; | |
3555 | sv_upgrade(sv, SVt_RV); | |
a0d0e21e | 3556 | SvTEMP_off(ref); |
2304df62 AD |
3557 | SvRV(sv) = SvREFCNT_inc(ref); |
3558 | SvROK_on(sv); | |
2304df62 AD |
3559 | return sv; |
3560 | } | |
3561 | ||
5f05dabc | 3562 | #ifdef CRIPPLED_CC |
3563 | SV * | |
3564 | newRV_noinc(ref) | |
3565 | SV *ref; | |
3566 | { | |
3567 | register SV *sv; | |
3568 | ||
3569 | sv = newRV(ref); | |
3570 | SvREFCNT_dec(ref); | |
3571 | return sv; | |
3572 | } | |
3573 | #endif /* CRIPPLED_CC */ | |
3574 | ||
79072805 LW |
3575 | /* make an exact duplicate of old */ |
3576 | ||
3577 | SV * | |
3578 | newSVsv(old) | |
3579 | register SV *old; | |
3580 | { | |
463ee0b2 | 3581 | register SV *sv; |
79072805 LW |
3582 | |
3583 | if (!old) | |
3584 | return Nullsv; | |
8990e307 | 3585 | if (SvTYPE(old) == SVTYPEMASK) { |
79072805 LW |
3586 | warn("semi-panic: attempt to dup freed string"); |
3587 | return Nullsv; | |
3588 | } | |
4561caa4 | 3589 | new_SV(sv); |
8990e307 LW |
3590 | SvANY(sv) = 0; |
3591 | SvREFCNT(sv) = 1; | |
3592 | SvFLAGS(sv) = 0; | |
ff68c719 | 3593 | if (SvTEMP(old)) { |
3594 | SvTEMP_off(old); | |
463ee0b2 | 3595 | sv_setsv(sv,old); |
ff68c719 | 3596 | SvTEMP_on(old); |
79072805 LW |
3597 | } |
3598 | else | |
463ee0b2 LW |
3599 | sv_setsv(sv,old); |
3600 | return sv; | |
79072805 LW |
3601 | } |
3602 | ||
3603 | void | |
3604 | sv_reset(s,stash) | |
3605 | register char *s; | |
3606 | HV *stash; | |
3607 | { | |
3608 | register HE *entry; | |
3609 | register GV *gv; | |
3610 | register SV *sv; | |
3611 | register I32 i; | |
3612 | register PMOP *pm; | |
3613 | register I32 max; | |
463ee0b2 | 3614 | char todo[256]; |
79072805 LW |
3615 | |
3616 | if (!*s) { /* reset ?? searches */ | |
3617 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { | |
3618 | pm->op_pmflags &= ~PMf_USED; | |
3619 | } | |
3620 | return; | |
3621 | } | |
3622 | ||
3623 | /* reset variables */ | |
3624 | ||
3625 | if (!HvARRAY(stash)) | |
3626 | return; | |
463ee0b2 LW |
3627 | |
3628 | Zero(todo, 256, char); | |
79072805 LW |
3629 | while (*s) { |
3630 | i = *s; | |
3631 | if (s[1] == '-') { | |
3632 | s += 2; | |
3633 | } | |
3634 | max = *s++; | |
3635 | for ( ; i <= max; i++) { | |
463ee0b2 LW |
3636 | todo[i] = 1; |
3637 | } | |
a0d0e21e | 3638 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 LW |
3639 | for (entry = HvARRAY(stash)[i]; |
3640 | entry; | |
1edc1566 | 3641 | entry = HeNEXT(entry)) { |
3642 | if (!todo[(U8)*HeKEY(entry)]) | |
463ee0b2 | 3643 | continue; |
1edc1566 | 3644 | gv = (GV*)HeVAL(entry); |
79072805 | 3645 | sv = GvSV(gv); |
a0d0e21e | 3646 | (void)SvOK_off(sv); |
79072805 LW |
3647 | if (SvTYPE(sv) >= SVt_PV) { |
3648 | SvCUR_set(sv, 0); | |
463ee0b2 LW |
3649 | if (SvPVX(sv) != Nullch) |
3650 | *SvPVX(sv) = '\0'; | |
44a8e56a | 3651 | SvTAINT(sv); |
79072805 LW |
3652 | } |
3653 | if (GvAV(gv)) { | |
3654 | av_clear(GvAV(gv)); | |
3655 | } | |
44a8e56a | 3656 | if (GvHV(gv) && !HvNAME(GvHV(gv))) { |
463ee0b2 | 3657 | hv_clear(GvHV(gv)); |
a0d0e21e | 3658 | #ifndef VMS /* VMS has no environ array */ |
79072805 LW |
3659 | if (gv == envgv) |
3660 | environ[0] = Nullch; | |
a0d0e21e | 3661 | #endif |
79072805 LW |
3662 | } |
3663 | } | |
3664 | } | |
3665 | } | |
3666 | } | |
3667 | ||
46fc3d4c | 3668 | IO* |
3669 | sv_2io(sv) | |
3670 | SV *sv; | |
3671 | { | |
3672 | IO* io; | |
3673 | GV* gv; | |
3674 | ||
3675 | switch (SvTYPE(sv)) { | |
3676 | case SVt_PVIO: | |
3677 | io = (IO*)sv; | |
3678 | break; | |
3679 | case SVt_PVGV: | |
3680 | gv = (GV*)sv; | |
3681 | io = GvIO(gv); | |
3682 | if (!io) | |
3683 | croak("Bad filehandle: %s", GvNAME(gv)); | |
3684 | break; | |
3685 | default: | |
3686 | if (!SvOK(sv)) | |
3687 | croak(no_usym, "filehandle"); | |
3688 | if (SvROK(sv)) | |
3689 | return sv_2io(SvRV(sv)); | |
3690 | gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO); | |
3691 | if (gv) | |
3692 | io = GvIO(gv); | |
3693 | else | |
3694 | io = 0; | |
3695 | if (!io) | |
3696 | croak("Bad filehandle: %s", SvPV(sv,na)); | |
3697 | break; | |
3698 | } | |
3699 | return io; | |
3700 | } | |
3701 | ||
79072805 LW |
3702 | CV * |
3703 | sv_2cv(sv, st, gvp, lref) | |
3704 | SV *sv; | |
3705 | HV **st; | |
3706 | GV **gvp; | |
3707 | I32 lref; | |
3708 | { | |
3709 | GV *gv; | |
3710 | CV *cv; | |
3711 | ||
3712 | if (!sv) | |
93a17b20 | 3713 | return *gvp = Nullgv, Nullcv; |
79072805 | 3714 | switch (SvTYPE(sv)) { |
79072805 LW |
3715 | case SVt_PVCV: |
3716 | *st = CvSTASH(sv); | |
3717 | *gvp = Nullgv; | |
3718 | return (CV*)sv; | |
3719 | case SVt_PVHV: | |
3720 | case SVt_PVAV: | |
3721 | *gvp = Nullgv; | |
3722 | return Nullcv; | |
8990e307 LW |
3723 | case SVt_PVGV: |
3724 | gv = (GV*)sv; | |
a0d0e21e | 3725 | *gvp = gv; |
8990e307 LW |
3726 | *st = GvESTASH(gv); |
3727 | goto fix_gv; | |
3728 | ||
79072805 | 3729 | default: |
a0d0e21e LW |
3730 | if (SvGMAGICAL(sv)) |
3731 | mg_get(sv); | |
3732 | if (SvROK(sv)) { | |
3733 | cv = (CV*)SvRV(sv); | |
3734 | if (SvTYPE(cv) != SVt_PVCV) | |
3735 | croak("Not a subroutine reference"); | |
3736 | *gvp = Nullgv; | |
3737 | *st = CvSTASH(cv); | |
3738 | return cv; | |
3739 | } | |
79072805 LW |
3740 | if (isGV(sv)) |
3741 | gv = (GV*)sv; | |
3742 | else | |
85e6fe83 | 3743 | gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV); |
79072805 LW |
3744 | *gvp = gv; |
3745 | if (!gv) | |
3746 | return Nullcv; | |
3747 | *st = GvESTASH(gv); | |
8990e307 | 3748 | fix_gv: |
8ebc5c01 | 3749 | if (lref && !GvCVu(gv)) { |
4633a7c4 | 3750 | SV *tmpsv; |
748a9306 | 3751 | ENTER; |
4633a7c4 | 3752 | tmpsv = NEWSV(704,0); |
16660edb | 3753 | gv_efullname3(tmpsv, gv, Nullch); |
774d564b | 3754 | newSUB(start_subparse(FALSE, 0), |
4633a7c4 LW |
3755 | newSVOP(OP_CONST, 0, tmpsv), |
3756 | Nullop, | |
8990e307 | 3757 | Nullop); |
748a9306 | 3758 | LEAVE; |
8ebc5c01 | 3759 | if (!GvCVu(gv)) |
4633a7c4 | 3760 | croak("Unable to create sub named \"%s\"", SvPV(sv,na)); |
8990e307 | 3761 | } |
8ebc5c01 | 3762 | return GvCVu(gv); |
79072805 LW |
3763 | } |
3764 | } | |
3765 | ||
3766 | #ifndef SvTRUE | |
3767 | I32 | |
3768 | SvTRUE(sv) | |
3769 | register SV *sv; | |
3770 | { | |
8990e307 LW |
3771 | if (!sv) |
3772 | return 0; | |
3773 | if (SvGMAGICAL(sv)) | |
79072805 LW |
3774 | mg_get(sv); |
3775 | if (SvPOK(sv)) { | |
3776 | register XPV* Xpv; | |
3777 | if ((Xpv = (XPV*)SvANY(sv)) && | |
3778 | (*Xpv->xpv_pv > '0' || | |
3779 | Xpv->xpv_cur > 1 || | |
3780 | (Xpv->xpv_cur && *Xpv->xpv_pv != '0'))) | |
3781 | return 1; | |
3782 | else | |
3783 | return 0; | |
3784 | } | |
3785 | else { | |
3786 | if (SvIOK(sv)) | |
463ee0b2 | 3787 | return SvIVX(sv) != 0; |
79072805 LW |
3788 | else { |
3789 | if (SvNOK(sv)) | |
463ee0b2 | 3790 | return SvNVX(sv) != 0.0; |
79072805 | 3791 | else |
463ee0b2 | 3792 | return sv_2bool(sv); |
79072805 LW |
3793 | } |
3794 | } | |
3795 | } | |
ff68c719 | 3796 | #endif /* !SvTRUE */ |
79072805 | 3797 | |
85e6fe83 | 3798 | #ifndef SvIV |
ff68c719 | 3799 | IV |
3800 | SvIV(sv) | |
3801 | register SV *sv; | |
85e6fe83 | 3802 | { |
ff68c719 | 3803 | if (SvIOK(sv)) |
3804 | return SvIVX(sv); | |
3805 | return sv_2iv(sv); | |
85e6fe83 | 3806 | } |
ff68c719 | 3807 | #endif /* !SvIV */ |
85e6fe83 | 3808 | |
ff68c719 | 3809 | #ifndef SvUV |
3810 | UV | |
3811 | SvUV(sv) | |
3812 | register SV *sv; | |
3813 | { | |
3814 | if (SvIOK(sv)) | |
3815 | return SvUVX(sv); | |
3816 | return sv_2uv(sv); | |
3817 | } | |
3818 | #endif /* !SvUV */ | |
85e6fe83 | 3819 | |
463ee0b2 | 3820 | #ifndef SvNV |
ff68c719 | 3821 | double |
3822 | SvNV(sv) | |
3823 | register SV *sv; | |
79072805 | 3824 | { |
ff68c719 | 3825 | if (SvNOK(sv)) |
3826 | return SvNVX(sv); | |
3827 | return sv_2nv(sv); | |
79072805 | 3828 | } |
ff68c719 | 3829 | #endif /* !SvNV */ |
79072805 | 3830 | |
463ee0b2 | 3831 | #ifdef CRIPPLED_CC |
79072805 | 3832 | char * |
463ee0b2 | 3833 | sv_pvn(sv, lp) |
79072805 | 3834 | SV *sv; |
463ee0b2 | 3835 | STRLEN *lp; |
79072805 | 3836 | { |
85e6fe83 LW |
3837 | if (SvPOK(sv)) { |
3838 | *lp = SvCUR(sv); | |
a0d0e21e | 3839 | return SvPVX(sv); |
85e6fe83 | 3840 | } |
463ee0b2 | 3841 | return sv_2pv(sv, lp); |
79072805 LW |
3842 | } |
3843 | #endif | |
3844 | ||
a0d0e21e LW |
3845 | char * |
3846 | sv_pvn_force(sv, lp) | |
3847 | SV *sv; | |
3848 | STRLEN *lp; | |
3849 | { | |
3850 | char *s; | |
3851 | ||
3852 | if (SvREADONLY(sv) && curcop != &compiling) | |
3853 | croak(no_modify); | |
3854 | ||
3855 | if (SvPOK(sv)) { | |
3856 | *lp = SvCUR(sv); | |
3857 | } | |
3858 | else { | |
748a9306 | 3859 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
4633a7c4 | 3860 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) { |
a0d0e21e | 3861 | sv_unglob(sv); |
4633a7c4 LW |
3862 | s = SvPVX(sv); |
3863 | *lp = SvCUR(sv); | |
3864 | } | |
a0d0e21e LW |
3865 | else |
3866 | croak("Can't coerce %s to string in %s", sv_reftype(sv,0), | |
3867 | op_name[op->op_type]); | |
3868 | } | |
4633a7c4 LW |
3869 | else |
3870 | s = sv_2pv(sv, lp); | |
a0d0e21e LW |
3871 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
3872 | STRLEN len = *lp; | |
3873 | ||
3874 | if (SvROK(sv)) | |
3875 | sv_unref(sv); | |
3876 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ | |
3877 | SvGROW(sv, len + 1); | |
3878 | Move(s,SvPVX(sv),len,char); | |
3879 | SvCUR_set(sv, len); | |
3880 | *SvEND(sv) = '\0'; | |
3881 | } | |
3882 | if (!SvPOK(sv)) { | |
3883 | SvPOK_on(sv); /* validate pointer */ | |
3884 | SvTAINT(sv); | |
760ac839 | 3885 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", |
a0d0e21e LW |
3886 | (unsigned long)sv,SvPVX(sv))); |
3887 | } | |
3888 | } | |
3889 | return SvPVX(sv); | |
3890 | } | |
3891 | ||
3892 | char * | |
3893 | sv_reftype(sv, ob) | |
3894 | SV* sv; | |
3895 | int ob; | |
3896 | { | |
3897 | if (ob && SvOBJECT(sv)) | |
3898 | return HvNAME(SvSTASH(sv)); | |
3899 | else { | |
3900 | switch (SvTYPE(sv)) { | |
3901 | case SVt_NULL: | |
3902 | case SVt_IV: | |
3903 | case SVt_NV: | |
3904 | case SVt_RV: | |
3905 | case SVt_PV: | |
3906 | case SVt_PVIV: | |
3907 | case SVt_PVNV: | |
3908 | case SVt_PVMG: | |
3909 | case SVt_PVBM: | |
3910 | if (SvROK(sv)) | |
3911 | return "REF"; | |
3912 | else | |
3913 | return "SCALAR"; | |
3914 | case SVt_PVLV: return "LVALUE"; | |
3915 | case SVt_PVAV: return "ARRAY"; | |
3916 | case SVt_PVHV: return "HASH"; | |
3917 | case SVt_PVCV: return "CODE"; | |
3918 | case SVt_PVGV: return "GLOB"; | |
3919 | case SVt_PVFM: return "FORMLINE"; | |
3920 | default: return "UNKNOWN"; | |
3921 | } | |
3922 | } | |
3923 | } | |
3924 | ||
463ee0b2 | 3925 | int |
85e6fe83 LW |
3926 | sv_isobject(sv) |
3927 | SV *sv; | |
3928 | { | |
68dc0745 | 3929 | if (!sv) |
3930 | return 0; | |
3931 | if (SvGMAGICAL(sv)) | |
3932 | mg_get(sv); | |
85e6fe83 LW |
3933 | if (!SvROK(sv)) |
3934 | return 0; | |
3935 | sv = (SV*)SvRV(sv); | |
3936 | if (!SvOBJECT(sv)) | |
3937 | return 0; | |
3938 | return 1; | |
3939 | } | |
3940 | ||
3941 | int | |
463ee0b2 LW |
3942 | sv_isa(sv, name) |
3943 | SV *sv; | |
3944 | char *name; | |
3945 | { | |
68dc0745 | 3946 | if (!sv) |
3947 | return 0; | |
3948 | if (SvGMAGICAL(sv)) | |
3949 | mg_get(sv); | |
ed6116ce | 3950 | if (!SvROK(sv)) |
463ee0b2 | 3951 | return 0; |
ed6116ce LW |
3952 | sv = (SV*)SvRV(sv); |
3953 | if (!SvOBJECT(sv)) | |
463ee0b2 LW |
3954 | return 0; |
3955 | ||
3956 | return strEQ(HvNAME(SvSTASH(sv)), name); | |
3957 | } | |
3958 | ||
3959 | SV* | |
a0d0e21e | 3960 | newSVrv(rv, classname) |
463ee0b2 | 3961 | SV *rv; |
a0d0e21e | 3962 | char *classname; |
463ee0b2 | 3963 | { |
463ee0b2 LW |
3964 | SV *sv; |
3965 | ||
4561caa4 | 3966 | new_SV(sv); |
8990e307 | 3967 | SvANY(sv) = 0; |
a0d0e21e | 3968 | SvREFCNT(sv) = 0; |
8990e307 | 3969 | SvFLAGS(sv) = 0; |
ed6116ce | 3970 | sv_upgrade(rv, SVt_RV); |
8990e307 | 3971 | SvRV(rv) = SvREFCNT_inc(sv); |
ed6116ce | 3972 | SvROK_on(rv); |
463ee0b2 | 3973 | |
a0d0e21e LW |
3974 | if (classname) { |
3975 | HV* stash = gv_stashpv(classname, TRUE); | |
3976 | (void)sv_bless(rv, stash); | |
3977 | } | |
3978 | return sv; | |
3979 | } | |
3980 | ||
3981 | SV* | |
3982 | sv_setref_pv(rv, classname, pv) | |
3983 | SV *rv; | |
3984 | char *classname; | |
3985 | void* pv; | |
3986 | { | |
3987 | if (!pv) | |
3988 | sv_setsv(rv, &sv_undef); | |
3989 | else | |
3990 | sv_setiv(newSVrv(rv,classname), (IV)pv); | |
3991 | return rv; | |
3992 | } | |
3993 | ||
3994 | SV* | |
3995 | sv_setref_iv(rv, classname, iv) | |
3996 | SV *rv; | |
3997 | char *classname; | |
3998 | IV iv; | |
3999 | { | |
4000 | sv_setiv(newSVrv(rv,classname), iv); | |
4001 | return rv; | |
4002 | } | |
4003 | ||
4004 | SV* | |
4005 | sv_setref_nv(rv, classname, nv) | |
4006 | SV *rv; | |
4007 | char *classname; | |
4008 | double nv; | |
4009 | { | |
4010 | sv_setnv(newSVrv(rv,classname), nv); | |
4011 | return rv; | |
4012 | } | |
463ee0b2 | 4013 | |
a0d0e21e LW |
4014 | SV* |
4015 | sv_setref_pvn(rv, classname, pv, n) | |
4016 | SV *rv; | |
4017 | char *classname; | |
4018 | char* pv; | |
4019 | I32 n; | |
4020 | { | |
4021 | sv_setpvn(newSVrv(rv,classname), pv, n); | |
463ee0b2 LW |
4022 | return rv; |
4023 | } | |
4024 | ||
a0d0e21e LW |
4025 | SV* |
4026 | sv_bless(sv,stash) | |
4027 | SV* sv; | |
4028 | HV* stash; | |
4029 | { | |
4030 | SV *ref; | |
4031 | if (!SvROK(sv)) | |
4032 | croak("Can't bless non-reference value"); | |
4033 | ref = SvRV(sv); | |
4034 | if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) { | |
4035 | if (SvREADONLY(ref)) | |
4036 | croak(no_modify); | |
2e3febc6 CS |
4037 | if (SvOBJECT(ref)) { |
4038 | if (SvTYPE(ref) != SVt_PVIO) | |
4039 | --sv_objcount; | |
4040 | SvREFCNT_dec(SvSTASH(ref)); | |
4041 | } | |
a0d0e21e LW |
4042 | } |
4043 | SvOBJECT_on(ref); | |
2e3febc6 CS |
4044 | if (SvTYPE(ref) != SVt_PVIO) |
4045 | ++sv_objcount; | |
a0d0e21e LW |
4046 | (void)SvUPGRADE(ref, SVt_PVMG); |
4047 | SvSTASH(ref) = (HV*)SvREFCNT_inc(stash); | |
4048 | ||
4049 | #ifdef OVERLOAD | |
2e3febc6 CS |
4050 | if (Gv_AMG(stash)) |
4051 | SvAMAGIC_on(sv); | |
4052 | else | |
4053 | SvAMAGIC_off(sv); | |
a0d0e21e LW |
4054 | #endif /* OVERLOAD */ |
4055 | ||
4056 | return sv; | |
4057 | } | |
4058 | ||
4059 | static void | |
4060 | sv_unglob(sv) | |
4061 | SV* sv; | |
4062 | { | |
4063 | assert(SvTYPE(sv) == SVt_PVGV); | |
4064 | SvFAKE_off(sv); | |
4065 | if (GvGP(sv)) | |
1edc1566 | 4066 | gp_free((GV*)sv); |
a0d0e21e LW |
4067 | sv_unmagic(sv, '*'); |
4068 | Safefree(GvNAME(sv)); | |
a5f75d66 | 4069 | GvMULTI_off(sv); |
a0d0e21e LW |
4070 | SvFLAGS(sv) &= ~SVTYPEMASK; |
4071 | SvFLAGS(sv) |= SVt_PVMG; | |
4072 | } | |
4073 | ||
ed6116ce LW |
4074 | void |
4075 | sv_unref(sv) | |
4076 | SV* sv; | |
4077 | { | |
a0d0e21e LW |
4078 | SV* rv = SvRV(sv); |
4079 | ||
ed6116ce LW |
4080 | SvRV(sv) = 0; |
4081 | SvROK_off(sv); | |
4633a7c4 LW |
4082 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
4083 | SvREFCNT_dec(rv); | |
8e07c86e | 4084 | else |
4633a7c4 | 4085 | sv_2mortal(rv); /* Schedule for freeing later */ |
ed6116ce | 4086 | } |
8990e307 | 4087 | |
bbce6d69 | 4088 | void |
4089 | sv_taint(sv) | |
4090 | SV *sv; | |
4091 | { | |
4092 | sv_magic((sv), Nullsv, 't', Nullch, 0); | |
4093 | } | |
4094 | ||
4095 | void | |
4096 | sv_untaint(sv) | |
4097 | SV *sv; | |
4098 | { | |
13f57bf8 | 4099 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4100 | MAGIC *mg = mg_find(sv, 't'); |
4101 | if (mg) | |
4102 | mg->mg_len &= ~1; | |
4103 | } | |
bbce6d69 | 4104 | } |
4105 | ||
4106 | bool | |
4107 | sv_tainted(sv) | |
4108 | SV *sv; | |
4109 | { | |
13f57bf8 | 4110 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4111 | MAGIC *mg = mg_find(sv, 't'); |
4112 | if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) | |
4113 | return TRUE; | |
4114 | } | |
4115 | return FALSE; | |
bbce6d69 | 4116 | } |
4117 | ||
46fc3d4c | 4118 | #ifdef I_STDARG |
4119 | void | |
4120 | sv_setpvf(SV *sv, const char* pat, ...) | |
4121 | #else | |
4122 | /*VARARGS0*/ | |
4123 | void | |
4124 | sv_setpvf(sv, pat, va_alist) | |
4125 | SV *sv; | |
4126 | const char *pat; | |
4127 | va_dcl | |
4128 | #endif | |
4129 | { | |
4130 | va_list args; | |
4131 | #ifdef I_STDARG | |
4132 | va_start(args, pat); | |
4133 | #else | |
4134 | va_start(args); | |
4135 | #endif | |
fc36a67e | 4136 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4137 | va_end(args); |
4138 | } | |
4139 | ||
4140 | #ifdef I_STDARG | |
4141 | void | |
4142 | sv_catpvf(SV *sv, const char* pat, ...) | |
4143 | #else | |
4144 | /*VARARGS0*/ | |
4145 | void | |
4146 | sv_catpvf(sv, pat, va_alist) | |
4147 | SV *sv; | |
4148 | const char *pat; | |
4149 | va_dcl | |
4150 | #endif | |
4151 | { | |
4152 | va_list args; | |
4153 | #ifdef I_STDARG | |
4154 | va_start(args, pat); | |
4155 | #else | |
4156 | va_start(args); | |
4157 | #endif | |
fc36a67e | 4158 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4159 | va_end(args); |
4160 | } | |
4161 | ||
4162 | void | |
4163 | sv_vsetpvfn(sv, pat, patlen, args, svargs, svmax, used_locale) | |
4164 | SV *sv; | |
4165 | const char *pat; | |
4166 | STRLEN patlen; | |
4167 | va_list *args; | |
4168 | SV **svargs; | |
4169 | I32 svmax; | |
4170 | bool *used_locale; | |
4171 | { | |
4172 | sv_setpvn(sv, "", 0); | |
4173 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale); | |
4174 | } | |
4175 | ||
4176 | void | |
4177 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale) | |
4178 | SV *sv; | |
4179 | const char *pat; | |
4180 | STRLEN patlen; | |
4181 | va_list *args; | |
4182 | SV **svargs; | |
4183 | I32 svmax; | |
4184 | bool *used_locale; | |
4185 | { | |
4186 | char *p; | |
4187 | char *q; | |
4188 | char *patend; | |
fc36a67e | 4189 | STRLEN origlen; |
46fc3d4c | 4190 | I32 svix = 0; |
c635e13b | 4191 | static char nullstr[] = "(null)"; |
46fc3d4c | 4192 | |
4193 | /* no matter what, this is a string now */ | |
fc36a67e | 4194 | (void)SvPV_force(sv, origlen); |
46fc3d4c | 4195 | |
fc36a67e | 4196 | /* special-case "", "%s", and "%_" */ |
46fc3d4c | 4197 | if (patlen == 0) |
4198 | return; | |
fc36a67e | 4199 | if (patlen == 2 && pat[0] == '%') { |
4200 | switch (pat[1]) { | |
4201 | case 's': | |
c635e13b | 4202 | if (args) { |
4203 | char *s = va_arg(*args, char*); | |
4204 | sv_catpv(sv, s ? s : nullstr); | |
4205 | } | |
fc36a67e | 4206 | else if (svix < svmax) |
4207 | sv_catsv(sv, *svargs); | |
4208 | return; | |
4209 | case '_': | |
4210 | if (args) { | |
4211 | sv_catsv(sv, va_arg(*args, SV*)); | |
4212 | return; | |
4213 | } | |
4214 | /* See comment on '_' below */ | |
4215 | break; | |
4216 | } | |
46fc3d4c | 4217 | } |
4218 | ||
4219 | patend = (char*)pat + patlen; | |
4220 | for (p = (char*)pat; p < patend; p = q) { | |
4221 | bool alt = FALSE; | |
4222 | bool left = FALSE; | |
4223 | char fill = ' '; | |
4224 | char plus = 0; | |
4225 | char intsize = 0; | |
4226 | STRLEN width = 0; | |
fc36a67e | 4227 | STRLEN zeros = 0; |
46fc3d4c | 4228 | bool has_precis = FALSE; |
4229 | STRLEN precis = 0; | |
4230 | ||
4231 | char esignbuf[4]; | |
4232 | STRLEN esignlen = 0; | |
4233 | ||
4234 | char *eptr = Nullch; | |
fc36a67e | 4235 | STRLEN elen = 0; |
4236 | char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */ | |
46fc3d4c | 4237 | |
4238 | static char *efloatbuf = Nullch; | |
4239 | static STRLEN efloatsize = 0; | |
4240 | ||
4241 | char c; | |
4242 | int i; | |
4243 | unsigned base; | |
4244 | IV iv; | |
4245 | UV uv; | |
4246 | double nv; | |
4247 | STRLEN have; | |
4248 | STRLEN need; | |
4249 | STRLEN gap; | |
4250 | ||
4251 | for (q = p; q < patend && *q != '%'; ++q) ; | |
4252 | if (q > p) { | |
4253 | sv_catpvn(sv, p, q - p); | |
4254 | p = q; | |
4255 | } | |
4256 | if (q++ >= patend) | |
4257 | break; | |
4258 | ||
fc36a67e | 4259 | /* FLAGS */ |
4260 | ||
46fc3d4c | 4261 | while (*q) { |
4262 | switch (*q) { | |
4263 | case ' ': | |
4264 | case '+': | |
4265 | plus = *q++; | |
4266 | continue; | |
4267 | ||
4268 | case '-': | |
4269 | left = TRUE; | |
4270 | q++; | |
4271 | continue; | |
4272 | ||
4273 | case '0': | |
4274 | fill = *q++; | |
4275 | continue; | |
4276 | ||
4277 | case '#': | |
4278 | alt = TRUE; | |
4279 | q++; | |
4280 | continue; | |
4281 | ||
fc36a67e | 4282 | default: |
4283 | break; | |
4284 | } | |
4285 | break; | |
4286 | } | |
46fc3d4c | 4287 | |
fc36a67e | 4288 | /* WIDTH */ |
4289 | ||
4290 | switch (*q) { | |
4291 | case '1': case '2': case '3': | |
4292 | case '4': case '5': case '6': | |
4293 | case '7': case '8': case '9': | |
4294 | width = 0; | |
4295 | while (isDIGIT(*q)) | |
4296 | width = width * 10 + (*q++ - '0'); | |
4297 | break; | |
4298 | ||
4299 | case '*': | |
4300 | if (args) | |
4301 | i = va_arg(*args, int); | |
4302 | else | |
4303 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4304 | left |= (i < 0); | |
4305 | width = (i < 0) ? -i : i; | |
4306 | q++; | |
4307 | break; | |
4308 | } | |
4309 | ||
4310 | /* PRECISION */ | |
46fc3d4c | 4311 | |
fc36a67e | 4312 | if (*q == '.') { |
4313 | q++; | |
4314 | if (*q == '*') { | |
46fc3d4c | 4315 | if (args) |
4316 | i = va_arg(*args, int); | |
4317 | else | |
4318 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
fc36a67e | 4319 | precis = (i < 0) ? 0 : i; |
46fc3d4c | 4320 | q++; |
fc36a67e | 4321 | } |
4322 | else { | |
4323 | precis = 0; | |
4324 | while (isDIGIT(*q)) | |
4325 | precis = precis * 10 + (*q++ - '0'); | |
4326 | } | |
4327 | has_precis = TRUE; | |
4328 | } | |
46fc3d4c | 4329 | |
fc36a67e | 4330 | /* SIZE */ |
46fc3d4c | 4331 | |
fc36a67e | 4332 | switch (*q) { |
4333 | case 'l': | |
4334 | #if 0 /* when quads have better support within Perl */ | |
4335 | if (*(q + 1) == 'l') { | |
4336 | intsize = 'q'; | |
4337 | q += 2; | |
46fc3d4c | 4338 | break; |
4339 | } | |
fc36a67e | 4340 | #endif |
4341 | /* FALL THROUGH */ | |
4342 | case 'h': | |
4343 | case 'V': | |
4344 | intsize = *q++; | |
46fc3d4c | 4345 | break; |
4346 | } | |
4347 | ||
fc36a67e | 4348 | /* CONVERSION */ |
4349 | ||
46fc3d4c | 4350 | switch (c = *q++) { |
4351 | ||
4352 | /* STRINGS */ | |
4353 | ||
4354 | case '%': | |
4355 | eptr = q - 1; | |
4356 | elen = 1; | |
4357 | goto string; | |
4358 | ||
4359 | case 'c': | |
4360 | if (args) | |
4361 | c = va_arg(*args, int); | |
4362 | else | |
4363 | c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4364 | eptr = &c; | |
4365 | elen = 1; | |
4366 | goto string; | |
4367 | ||
46fc3d4c | 4368 | case 's': |
4369 | if (args) { | |
fc36a67e | 4370 | eptr = va_arg(*args, char*); |
c635e13b | 4371 | if (eptr) |
4372 | elen = strlen(eptr); | |
4373 | else { | |
4374 | eptr = nullstr; | |
4375 | elen = sizeof nullstr - 1; | |
4376 | } | |
46fc3d4c | 4377 | } |
4378 | else if (svix < svmax) | |
4379 | eptr = SvPVx(svargs[svix++], elen); | |
4380 | goto string; | |
4381 | ||
fc36a67e | 4382 | case '_': |
4383 | /* | |
4384 | * The "%_" hack might have to be changed someday, | |
4385 | * if ISO or ANSI decide to use '_' for something. | |
4386 | * So we keep it hidden from users' code. | |
4387 | */ | |
4388 | if (!args) | |
4389 | goto unknown; | |
4390 | eptr = SvPVx(va_arg(*args, SV*), elen); | |
4391 | ||
46fc3d4c | 4392 | string: |
4393 | if (has_precis && elen > precis) | |
4394 | elen = precis; | |
4395 | break; | |
4396 | ||
4397 | /* INTEGERS */ | |
4398 | ||
fc36a67e | 4399 | case 'p': |
4400 | if (args) | |
4401 | uv = (UV)va_arg(*args, void*); | |
4402 | else | |
4403 | uv = (svix < svmax) ? (UV)svargs[svix++] : 0; | |
4404 | base = 16; | |
4405 | goto integer; | |
4406 | ||
46fc3d4c | 4407 | case 'D': |
4408 | intsize = 'l'; | |
4409 | /* FALL THROUGH */ | |
4410 | case 'd': | |
4411 | case 'i': | |
4412 | if (args) { | |
4413 | switch (intsize) { | |
4414 | case 'h': iv = (short)va_arg(*args, int); break; | |
4415 | default: iv = va_arg(*args, int); break; | |
4416 | case 'l': iv = va_arg(*args, long); break; | |
fc36a67e | 4417 | case 'V': iv = va_arg(*args, IV); break; |
46fc3d4c | 4418 | } |
4419 | } | |
4420 | else { | |
4421 | iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4422 | switch (intsize) { | |
4423 | case 'h': iv = (short)iv; break; | |
4424 | default: iv = (int)iv; break; | |
4425 | case 'l': iv = (long)iv; break; | |
fc36a67e | 4426 | case 'V': break; |
46fc3d4c | 4427 | } |
4428 | } | |
4429 | if (iv >= 0) { | |
4430 | uv = iv; | |
4431 | if (plus) | |
4432 | esignbuf[esignlen++] = plus; | |
4433 | } | |
4434 | else { | |
4435 | uv = -iv; | |
4436 | esignbuf[esignlen++] = '-'; | |
4437 | } | |
4438 | base = 10; | |
4439 | goto integer; | |
4440 | ||
fc36a67e | 4441 | case 'U': |
4442 | intsize = 'l'; | |
4443 | /* FALL THROUGH */ | |
4444 | case 'u': | |
4445 | base = 10; | |
4446 | goto uns_integer; | |
4447 | ||
46fc3d4c | 4448 | case 'O': |
4449 | intsize = 'l'; | |
4450 | /* FALL THROUGH */ | |
4451 | case 'o': | |
4452 | base = 8; | |
4453 | goto uns_integer; | |
4454 | ||
4455 | case 'X': | |
46fc3d4c | 4456 | case 'x': |
4457 | base = 16; | |
46fc3d4c | 4458 | |
4459 | uns_integer: | |
4460 | if (args) { | |
4461 | switch (intsize) { | |
4462 | case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; | |
4463 | default: uv = va_arg(*args, unsigned); break; | |
4464 | case 'l': uv = va_arg(*args, unsigned long); break; | |
fc36a67e | 4465 | case 'V': uv = va_arg(*args, UV); break; |
46fc3d4c | 4466 | } |
4467 | } | |
4468 | else { | |
4469 | uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; | |
4470 | switch (intsize) { | |
4471 | case 'h': uv = (unsigned short)uv; break; | |
4472 | default: uv = (unsigned)uv; break; | |
4473 | case 'l': uv = (unsigned long)uv; break; | |
fc36a67e | 4474 | case 'V': break; |
46fc3d4c | 4475 | } |
4476 | } | |
4477 | ||
4478 | integer: | |
46fc3d4c | 4479 | eptr = ebuf + sizeof ebuf; |
fc36a67e | 4480 | switch (base) { |
4481 | unsigned dig; | |
4482 | case 16: | |
4483 | p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef"; | |
4484 | do { | |
4485 | dig = uv & 15; | |
4486 | *--eptr = p[dig]; | |
4487 | } while (uv >>= 4); | |
4488 | if (alt) { | |
46fc3d4c | 4489 | esignbuf[esignlen++] = '0'; |
fc36a67e | 4490 | esignbuf[esignlen++] = c; /* 'x' or 'X' */ |
46fc3d4c | 4491 | } |
fc36a67e | 4492 | break; |
4493 | case 8: | |
4494 | do { | |
4495 | dig = uv & 7; | |
4496 | *--eptr = '0' + dig; | |
4497 | } while (uv >>= 3); | |
4498 | if (alt && *eptr != '0') | |
4499 | *--eptr = '0'; | |
4500 | break; | |
4501 | default: /* it had better be ten or less */ | |
4502 | do { | |
4503 | dig = uv % base; | |
4504 | *--eptr = '0' + dig; | |
4505 | } while (uv /= base); | |
4506 | break; | |
46fc3d4c | 4507 | } |
4508 | elen = (ebuf + sizeof ebuf) - eptr; | |
fc36a67e | 4509 | if (has_precis && precis > elen) |
4510 | zeros = precis - elen; | |
46fc3d4c | 4511 | break; |
4512 | ||
4513 | /* FLOATING POINT */ | |
4514 | ||
fc36a67e | 4515 | case 'F': |
4516 | c = 'f'; /* maybe %F isn't supported here */ | |
4517 | /* FALL THROUGH */ | |
46fc3d4c | 4518 | case 'e': case 'E': |
fc36a67e | 4519 | case 'f': |
46fc3d4c | 4520 | case 'g': case 'G': |
4521 | ||
4522 | /* This is evil, but floating point is even more evil */ | |
4523 | ||
fc36a67e | 4524 | if (args) |
4525 | nv = va_arg(*args, double); | |
4526 | else | |
4527 | nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; | |
4528 | ||
4529 | need = 0; | |
4530 | if (c != 'e' && c != 'E') { | |
4531 | i = PERL_INT_MIN; | |
4532 | (void)frexp(nv, &i); | |
4533 | if (i == PERL_INT_MIN) | |
c635e13b | 4534 | die("panic: frexp"); |
4535 | if (i > 0) | |
fc36a67e | 4536 | need = BIT_DIGITS(i); |
4537 | } | |
4538 | need += has_precis ? precis : 6; /* known default */ | |
4539 | if (need < width) | |
4540 | need = width; | |
4541 | ||
46fc3d4c | 4542 | need += 20; /* fudge factor */ |
4543 | if (efloatsize < need) { | |
4544 | Safefree(efloatbuf); | |
4545 | efloatsize = need + 20; /* more fudge */ | |
4546 | New(906, efloatbuf, efloatsize, char); | |
4547 | } | |
4548 | ||
4549 | eptr = ebuf + sizeof ebuf; | |
4550 | *--eptr = '\0'; | |
4551 | *--eptr = c; | |
4552 | if (has_precis) { | |
4553 | base = precis; | |
4554 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4555 | *--eptr = '.'; | |
4556 | } | |
4557 | if (width) { | |
4558 | base = width; | |
4559 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4560 | } | |
4561 | if (fill == '0') | |
4562 | *--eptr = fill; | |
4563 | if (plus) | |
4564 | *--eptr = plus; | |
4565 | if (alt) | |
4566 | *--eptr = '#'; | |
4567 | *--eptr = '%'; | |
4568 | ||
46fc3d4c | 4569 | (void)sprintf(efloatbuf, eptr, nv); |
4570 | ||
4571 | eptr = efloatbuf; | |
4572 | elen = strlen(efloatbuf); | |
4573 | ||
4574 | #ifdef LC_NUMERIC | |
4575 | /* | |
4576 | * User-defined locales may include arbitrary characters. | |
4577 | * And, unfortunately, some system may alloc the "C" locale | |
4578 | * to be overridden by a malicious user. | |
4579 | */ | |
4580 | if (used_locale) | |
4581 | *used_locale = TRUE; | |
4582 | #endif /* LC_NUMERIC */ | |
4583 | ||
4584 | break; | |
4585 | ||
fc36a67e | 4586 | /* SPECIAL */ |
4587 | ||
4588 | case 'n': | |
4589 | i = SvCUR(sv) - origlen; | |
4590 | if (args) { | |
c635e13b | 4591 | switch (intsize) { |
4592 | case 'h': *(va_arg(*args, short*)) = i; break; | |
4593 | default: *(va_arg(*args, int*)) = i; break; | |
4594 | case 'l': *(va_arg(*args, long*)) = i; break; | |
4595 | case 'V': *(va_arg(*args, IV*)) = i; break; | |
4596 | } | |
fc36a67e | 4597 | } |
4598 | else if (svix < svmax) | |
4599 | sv_setuv(svargs[svix++], (UV)i); | |
4600 | continue; /* not "break" */ | |
4601 | ||
4602 | /* UNKNOWN */ | |
4603 | ||
46fc3d4c | 4604 | default: |
fc36a67e | 4605 | unknown: |
c635e13b | 4606 | if (!args && dowarn && |
4607 | (op->op_type == OP_PRTF || op->op_type == OP_SPRINTF)) { | |
4608 | SV *msg = sv_newmortal(); | |
4609 | sv_setpvf(msg, "Invalid conversion in %s: ", | |
4610 | (op->op_type == OP_PRTF) ? "printf" : "sprintf"); | |
4611 | if (c) | |
4612 | sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"", | |
4613 | c & 0xFF); | |
4614 | else | |
4615 | sv_catpv(msg, "end of string"); | |
4616 | warn("%_", msg); /* yes, this is reentrant */ | |
4617 | } | |
4618 | /* output mangled stuff */ | |
46fc3d4c | 4619 | eptr = p; |
4620 | elen = q - p; | |
4621 | break; | |
4622 | } | |
4623 | ||
fc36a67e | 4624 | have = esignlen + zeros + elen; |
46fc3d4c | 4625 | need = (have > width ? have : width); |
4626 | gap = need - have; | |
4627 | ||
4628 | SvGROW(sv, SvLEN(sv) + need); | |
4629 | p = SvEND(sv); | |
4630 | if (esignlen && fill == '0') { | |
4631 | for (i = 0; i < esignlen; i++) | |
4632 | *p++ = esignbuf[i]; | |
4633 | } | |
4634 | if (gap && !left) { | |
4635 | memset(p, fill, gap); | |
4636 | p += gap; | |
4637 | } | |
4638 | if (esignlen && fill != '0') { | |
4639 | for (i = 0; i < esignlen; i++) | |
4640 | *p++ = esignbuf[i]; | |
4641 | } | |
fc36a67e | 4642 | if (zeros) { |
4643 | for (i = zeros; i; i--) | |
4644 | *p++ = '0'; | |
4645 | } | |
46fc3d4c | 4646 | if (elen) { |
4647 | memcpy(p, eptr, elen); | |
4648 | p += elen; | |
4649 | } | |
4650 | if (gap && left) { | |
4651 | memset(p, ' ', gap); | |
4652 | p += gap; | |
4653 | } | |
4654 | *p = '\0'; | |
4655 | SvCUR(sv) = p - SvPVX(sv); | |
4656 | } | |
4657 | } | |
4658 | ||
8990e307 LW |
4659 | #ifdef DEBUGGING |
4660 | void | |
4661 | sv_dump(sv) | |
4662 | SV* sv; | |
4663 | { | |
46fc3d4c | 4664 | SV *d = sv_newmortal(); |
4665 | char *s; | |
8990e307 LW |
4666 | U32 flags; |
4667 | U32 type; | |
4668 | ||
4669 | if (!sv) { | |
760ac839 | 4670 | PerlIO_printf(Perl_debug_log, "SV = 0\n"); |
8990e307 LW |
4671 | return; |
4672 | } | |
4673 | ||
4674 | flags = SvFLAGS(sv); | |
4675 | type = SvTYPE(sv); | |
4676 | ||
46fc3d4c | 4677 | sv_setpvf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", |
4678 | (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); | |
4679 | if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,"); | |
4680 | if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,"); | |
4681 | if (flags & SVs_PADMY) sv_catpv(d, "PADMY,"); | |
4682 | if (flags & SVs_TEMP) sv_catpv(d, "TEMP,"); | |
4683 | if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,"); | |
4684 | if (flags & SVs_GMG) sv_catpv(d, "GMG,"); | |
4685 | if (flags & SVs_SMG) sv_catpv(d, "SMG,"); | |
4686 | if (flags & SVs_RMG) sv_catpv(d, "RMG,"); | |
4687 | ||
4688 | if (flags & SVf_IOK) sv_catpv(d, "IOK,"); | |
4689 | if (flags & SVf_NOK) sv_catpv(d, "NOK,"); | |
4690 | if (flags & SVf_POK) sv_catpv(d, "POK,"); | |
4691 | if (flags & SVf_ROK) sv_catpv(d, "ROK,"); | |
4692 | if (flags & SVf_OOK) sv_catpv(d, "OOK,"); | |
4693 | if (flags & SVf_FAKE) sv_catpv(d, "FAKE,"); | |
4694 | if (flags & SVf_READONLY) sv_catpv(d, "READONLY,"); | |
8990e307 | 4695 | |
1edc1566 | 4696 | #ifdef OVERLOAD |
46fc3d4c | 4697 | if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,"); |
1edc1566 | 4698 | #endif /* OVERLOAD */ |
46fc3d4c | 4699 | if (flags & SVp_IOK) sv_catpv(d, "pIOK,"); |
4700 | if (flags & SVp_NOK) sv_catpv(d, "pNOK,"); | |
4701 | if (flags & SVp_POK) sv_catpv(d, "pPOK,"); | |
4702 | if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,"); | |
1edc1566 | 4703 | |
4704 | switch (type) { | |
4705 | case SVt_PVCV: | |
774d564b | 4706 | case SVt_PVFM: |
46fc3d4c | 4707 | if (CvANON(sv)) sv_catpv(d, "ANON,"); |
4708 | if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,"); | |
4709 | if (CvCLONE(sv)) sv_catpv(d, "CLONE,"); | |
4710 | if (CvCLONED(sv)) sv_catpv(d, "CLONED,"); | |
4711 | if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,"); | |
4712 | break; | |
55497cff | 4713 | case SVt_PVHV: |
46fc3d4c | 4714 | if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,"); |
4715 | if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,"); | |
4716 | break; | |
1edc1566 | 4717 | case SVt_PVGV: |
46fc3d4c | 4718 | if (GvINTRO(sv)) sv_catpv(d, "INTRO,"); |
4719 | if (GvMULTI(sv)) sv_catpv(d, "MULTI,"); | |
4720 | if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,"); | |
4721 | if (GvIMPORTED(sv)) { | |
4722 | sv_catpv(d, "IMPORT"); | |
4723 | if (GvIMPORTED(sv) == GVf_IMPORTED) | |
4724 | sv_catpv(d, "ALL,"); | |
4725 | else { | |
4726 | sv_catpv(d, "("); | |
4727 | if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV"); | |
4728 | if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV"); | |
4729 | if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV"); | |
4730 | if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV"); | |
4731 | sv_catpv(d, " ),"); | |
4732 | } | |
4733 | } | |
1edc1566 | 4734 | } |
4735 | ||
46fc3d4c | 4736 | if (*(SvEND(d) - 1) == ',') |
4737 | SvPVX(d)[--SvCUR(d)] = '\0'; | |
4738 | sv_catpv(d, ")"); | |
4739 | s = SvPVX(d); | |
8990e307 | 4740 | |
760ac839 | 4741 | PerlIO_printf(Perl_debug_log, "SV = "); |
8990e307 LW |
4742 | switch (type) { |
4743 | case SVt_NULL: | |
46fc3d4c | 4744 | PerlIO_printf(Perl_debug_log, "NULL%s\n", s); |
8990e307 LW |
4745 | return; |
4746 | case SVt_IV: | |
46fc3d4c | 4747 | PerlIO_printf(Perl_debug_log, "IV%s\n", s); |
8990e307 LW |
4748 | break; |
4749 | case SVt_NV: | |
46fc3d4c | 4750 | PerlIO_printf(Perl_debug_log, "NV%s\n", s); |
8990e307 LW |
4751 | break; |
4752 | case SVt_RV: | |
46fc3d4c | 4753 | PerlIO_printf(Perl_debug_log, "RV%s\n", s); |
8990e307 LW |
4754 | break; |
4755 | case SVt_PV: | |
46fc3d4c | 4756 | PerlIO_printf(Perl_debug_log, "PV%s\n", s); |
8990e307 LW |
4757 | break; |
4758 | case SVt_PVIV: | |
46fc3d4c | 4759 | PerlIO_printf(Perl_debug_log, "PVIV%s\n", s); |
8990e307 LW |
4760 | break; |
4761 | case SVt_PVNV: | |
46fc3d4c | 4762 | PerlIO_printf(Perl_debug_log, "PVNV%s\n", s); |
8990e307 LW |
4763 | break; |
4764 | case SVt_PVBM: | |
46fc3d4c | 4765 | PerlIO_printf(Perl_debug_log, "PVBM%s\n", s); |
8990e307 LW |
4766 | break; |
4767 | case SVt_PVMG: | |
46fc3d4c | 4768 | PerlIO_printf(Perl_debug_log, "PVMG%s\n", s); |
8990e307 LW |
4769 | break; |
4770 | case SVt_PVLV: | |
46fc3d4c | 4771 | PerlIO_printf(Perl_debug_log, "PVLV%s\n", s); |
8990e307 LW |
4772 | break; |
4773 | case SVt_PVAV: | |
46fc3d4c | 4774 | PerlIO_printf(Perl_debug_log, "PVAV%s\n", s); |
8990e307 LW |
4775 | break; |
4776 | case SVt_PVHV: | |
46fc3d4c | 4777 | PerlIO_printf(Perl_debug_log, "PVHV%s\n", s); |
8990e307 LW |
4778 | break; |
4779 | case SVt_PVCV: | |
46fc3d4c | 4780 | PerlIO_printf(Perl_debug_log, "PVCV%s\n", s); |
8990e307 LW |
4781 | break; |
4782 | case SVt_PVGV: | |
46fc3d4c | 4783 | PerlIO_printf(Perl_debug_log, "PVGV%s\n", s); |
8990e307 LW |
4784 | break; |
4785 | case SVt_PVFM: | |
46fc3d4c | 4786 | PerlIO_printf(Perl_debug_log, "PVFM%s\n", s); |
8990e307 LW |
4787 | break; |
4788 | case SVt_PVIO: | |
46fc3d4c | 4789 | PerlIO_printf(Perl_debug_log, "PVIO%s\n", s); |
8990e307 LW |
4790 | break; |
4791 | default: | |
46fc3d4c | 4792 | PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", s); |
8990e307 LW |
4793 | return; |
4794 | } | |
4795 | if (type >= SVt_PVIV || type == SVt_IV) | |
760ac839 | 4796 | PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv)); |
bbce6d69 | 4797 | if (type >= SVt_PVNV || type == SVt_NV) { |
36477c24 | 4798 | SET_NUMERIC_STANDARD(); |
760ac839 | 4799 | PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); |
bbce6d69 | 4800 | } |
8990e307 | 4801 | if (SvROK(sv)) { |
760ac839 | 4802 | PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv)); |
8990e307 LW |
4803 | sv_dump(SvRV(sv)); |
4804 | return; | |
4805 | } | |
4806 | if (type < SVt_PV) | |
4807 | return; | |
4808 | if (type <= SVt_PVLV) { | |
4809 | if (SvPVX(sv)) | |
760ac839 | 4810 | PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", |
a0d0e21e | 4811 | (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); |
8990e307 | 4812 | else |
760ac839 | 4813 | PerlIO_printf(Perl_debug_log, " PV = 0\n"); |
8990e307 LW |
4814 | } |
4815 | if (type >= SVt_PVMG) { | |
4816 | if (SvMAGIC(sv)) { | |
760ac839 | 4817 | PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); |
8990e307 LW |
4818 | } |
4819 | if (SvSTASH(sv)) | |
760ac839 | 4820 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv))); |
8990e307 LW |
4821 | } |
4822 | switch (type) { | |
4823 | case SVt_PVLV: | |
760ac839 LW |
4824 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv)); |
4825 | PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); | |
4826 | PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); | |
4827 | PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv)); | |
8990e307 LW |
4828 | sv_dump(LvTARG(sv)); |
4829 | break; | |
4830 | case SVt_PVAV: | |
760ac839 LW |
4831 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); |
4832 | PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); | |
4833 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv)); | |
4834 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv)); | |
4835 | PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); | |
4633a7c4 | 4836 | flags = AvFLAGS(sv); |
46fc3d4c | 4837 | sv_setpv(d, ""); |
4838 | if (flags & AVf_REAL) sv_catpv(d, ",REAL"); | |
4839 | if (flags & AVf_REIFY) sv_catpv(d, ",REIFY"); | |
4840 | if (flags & AVf_REUSED) sv_catpv(d, ",REUSED"); | |
4841 | PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", | |
4842 | SvCUR(d) ? SvPVX(d) + 1 : ""); | |
8990e307 LW |
4843 | break; |
4844 | case SVt_PVHV: | |
760ac839 LW |
4845 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); |
4846 | PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv)); | |
4847 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv)); | |
4848 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv)); | |
4849 | PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv)); | |
4850 | PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv)); | |
8990e307 | 4851 | if (HvPMROOT(sv)) |
760ac839 | 4852 | PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); |
8990e307 | 4853 | if (HvNAME(sv)) |
760ac839 | 4854 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv)); |
8990e307 | 4855 | break; |
8990e307 | 4856 | case SVt_PVCV: |
1edc1566 | 4857 | if (SvPOK(sv)) |
760ac839 | 4858 | PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na)); |
fa83b5b6 | 4859 | /* FALL THROUGH */ |
4860 | case SVt_PVFM: | |
760ac839 LW |
4861 | PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv)); |
4862 | PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv)); | |
4863 | PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv)); | |
4864 | PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); | |
4865 | PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); | |
d1bf51dd | 4866 | PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv)); |
1edc1566 | 4867 | if (CvGV(sv) && GvNAME(CvGV(sv))) { |
d1bf51dd | 4868 | PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv))); |
1edc1566 | 4869 | } else { |
d1bf51dd | 4870 | PerlIO_printf(Perl_debug_log, "\n"); |
1edc1566 | 4871 | } |
760ac839 LW |
4872 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); |
4873 | PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv)); | |
4874 | PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); | |
4875 | PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); | |
8990e307 | 4876 | if (type == SVt_PVFM) |
760ac839 | 4877 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv)); |
8990e307 LW |
4878 | break; |
4879 | case SVt_PVGV: | |
760ac839 LW |
4880 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv)); |
4881 | PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); | |
4882 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv))); | |
4883 | PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv)); | |
4884 | PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv)); | |
4885 | PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv)); | |
4886 | PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv)); | |
4887 | PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv)); | |
4888 | PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv)); | |
4889 | PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv)); | |
4890 | PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv)); | |
4891 | PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); | |
4892 | PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); | |
4893 | PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv)); | |
55497cff | 4894 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv)); |
760ac839 | 4895 | PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv)); |
8990e307 LW |
4896 | break; |
4897 | case SVt_PVIO: | |
760ac839 LW |
4898 | PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv)); |
4899 | PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv)); | |
4900 | PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); | |
4901 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv)); | |
4902 | PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv)); | |
4903 | PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); | |
4904 | PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); | |
4905 | PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv)); | |
4906 | PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); | |
4907 | PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv)); | |
4908 | PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); | |
4909 | PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv)); | |
4910 | PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); | |
4911 | PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); | |
4912 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv)); | |
4913 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); | |
8990e307 LW |
4914 | break; |
4915 | } | |
4916 | } | |
2304df62 AD |
4917 | #else |
4918 | void | |
4919 | sv_dump(sv) | |
4920 | SV* sv; | |
4921 | { | |
4922 | } | |
8990e307 | 4923 | #endif |