Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* sv.c |
79072805 | 2 | * |
9607fc9c | 3 | * Copyright (c) 1991-1997, Larry Wall |
79072805 LW |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public | |
6 | * License or the Artistic License, as specified in the README file. | |
7 | * | |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "I wonder what the Entish is for 'yes' and 'no'," he thought. | |
79072805 LW |
12 | */ |
13 | ||
14 | #include "EXTERN.h" | |
15 | #include "perl.h" | |
79072805 | 16 | |
c07a80fd | 17 | #ifdef OVR_DBL_DIG |
18 | /* Use an overridden DBL_DIG */ | |
19 | # ifdef DBL_DIG | |
20 | # undef DBL_DIG | |
21 | # endif | |
22 | # define DBL_DIG OVR_DBL_DIG | |
23 | #else | |
a0d0e21e LW |
24 | /* The following is all to get DBL_DIG, in order to pick a nice |
25 | default value for printing floating point numbers in Gconvert. | |
26 | (see config.h) | |
27 | */ | |
28 | #ifdef I_LIMITS | |
29 | #include <limits.h> | |
30 | #endif | |
31 | #ifdef I_FLOAT | |
32 | #include <float.h> | |
33 | #endif | |
34 | #ifndef HAS_DBL_DIG | |
35 | #define DBL_DIG 15 /* A guess that works lots of places */ | |
36 | #endif | |
c07a80fd | 37 | #endif |
38 | ||
1edc1566 | 39 | #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE) && !defined(__QNX__) |
c07a80fd | 40 | # define FAST_SV_GETS |
41 | #endif | |
a0d0e21e | 42 | |
36477c24 | 43 | static IV asIV _((SV* sv)); |
44 | static UV asUV _((SV* sv)); | |
a0d0e21e LW |
45 | static SV *more_sv _((void)); |
46 | static XPVIV *more_xiv _((void)); | |
47 | static XPVNV *more_xnv _((void)); | |
48 | static XPV *more_xpv _((void)); | |
49 | static XRV *more_xrv _((void)); | |
a0d0e21e LW |
50 | static XPVIV *new_xiv _((void)); |
51 | static XPVNV *new_xnv _((void)); | |
52 | static XPV *new_xpv _((void)); | |
53 | static XRV *new_xrv _((void)); | |
54 | static void del_xiv _((XPVIV* p)); | |
55 | static void del_xnv _((XPVNV* p)); | |
56 | static void del_xpv _((XPV* p)); | |
57 | static void del_xrv _((XRV* p)); | |
58 | static void sv_mortalgrow _((void)); | |
a0d0e21e | 59 | static void sv_unglob _((SV* sv)); |
0f15f207 | 60 | static void sv_check_thinkfirst _((SV *sv)); |
a0d0e21e | 61 | |
2213622d GA |
62 | #define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_check_thinkfirst(sv) |
63 | ||
d665c133 GS |
64 | #ifndef PURIFY |
65 | static void *my_safemalloc(MEM_SIZE size); | |
66 | #endif | |
67 | ||
4561caa4 CS |
68 | typedef void (*SVFUNC) _((SV*)); |
69 | ||
a0d0e21e | 70 | #ifdef PURIFY |
79072805 | 71 | |
4561caa4 CS |
72 | #define new_SV(p) \ |
73 | do { \ | |
940cb80d | 74 | LOCK_SV_MUTEX; \ |
4561caa4 CS |
75 | (p) = (SV*)safemalloc(sizeof(SV)); \ |
76 | reg_add(p); \ | |
940cb80d | 77 | UNLOCK_SV_MUTEX; \ |
4561caa4 CS |
78 | } while (0) |
79 | ||
80 | #define del_SV(p) \ | |
81 | do { \ | |
940cb80d | 82 | LOCK_SV_MUTEX; \ |
4561caa4 | 83 | reg_remove(p); \ |
3028581b | 84 | Safefree((char*)(p)); \ |
940cb80d | 85 | UNLOCK_SV_MUTEX; \ |
4561caa4 CS |
86 | } while (0) |
87 | ||
88 | static SV **registry; | |
89 | static I32 regsize; | |
90 | ||
91 | #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size)) | |
92 | ||
93 | #define REG_REPLACE(sv,a,b) \ | |
94 | do { \ | |
95 | void* p = sv->sv_any; \ | |
96 | I32 h = REGHASH(sv, regsize); \ | |
97 | I32 i = h; \ | |
98 | while (registry[i] != (a)) { \ | |
99 | if (++i >= regsize) \ | |
100 | i = 0; \ | |
101 | if (i == h) \ | |
102 | die("SV registry bug"); \ | |
103 | } \ | |
104 | registry[i] = (b); \ | |
105 | } while (0) | |
106 | ||
107 | #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv) | |
108 | #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv) | |
109 | ||
110 | static void | |
111 | reg_add(sv) | |
112 | SV* sv; | |
113 | { | |
114 | if (sv_count >= (regsize >> 1)) | |
115 | { | |
116 | SV **oldreg = registry; | |
117 | I32 oldsize = regsize; | |
118 | ||
119 | regsize = regsize ? ((regsize << 2) + 1) : 2037; | |
8c52afec | 120 | Newz(707, registry, regsize, SV*); |
4561caa4 CS |
121 | |
122 | if (oldreg) { | |
123 | I32 i; | |
124 | ||
125 | for (i = 0; i < oldsize; ++i) { | |
126 | SV* oldsv = oldreg[i]; | |
127 | if (oldsv) | |
128 | REG_ADD(oldsv); | |
129 | } | |
130 | Safefree(oldreg); | |
131 | } | |
132 | } | |
133 | ||
134 | REG_ADD(sv); | |
135 | ++sv_count; | |
136 | } | |
137 | ||
138 | static void | |
139 | reg_remove(sv) | |
140 | SV* sv; | |
141 | { | |
142 | REG_REMOVE(sv); | |
143 | --sv_count; | |
144 | } | |
145 | ||
146 | static void | |
147 | visit(f) | |
148 | SVFUNC f; | |
149 | { | |
150 | I32 i; | |
151 | ||
152 | for (i = 0; i < regsize; ++i) { | |
153 | SV* sv = registry[i]; | |
154 | if (sv) | |
155 | (*f)(sv); | |
156 | } | |
157 | } | |
a0d0e21e | 158 | |
4633a7c4 LW |
159 | void |
160 | sv_add_arena(ptr, size, flags) | |
161 | char* ptr; | |
162 | U32 size; | |
163 | U32 flags; | |
164 | { | |
165 | if (!(flags & SVf_FAKE)) | |
3028581b | 166 | Safefree(ptr); |
4633a7c4 LW |
167 | } |
168 | ||
4561caa4 CS |
169 | #else /* ! PURIFY */ |
170 | ||
171 | /* | |
172 | * "A time to plant, and a time to uproot what was planted..." | |
173 | */ | |
174 | ||
175 | #define plant_SV(p) \ | |
176 | do { \ | |
177 | SvANY(p) = (void *)sv_root; \ | |
178 | SvFLAGS(p) = SVTYPEMASK; \ | |
179 | sv_root = (p); \ | |
180 | --sv_count; \ | |
181 | } while (0) | |
a0d0e21e | 182 | |
fba3b22e | 183 | /* sv_mutex must be held while calling uproot_SV() */ |
fc36a67e | 184 | #define uproot_SV(p) \ |
4561caa4 CS |
185 | do { \ |
186 | (p) = sv_root; \ | |
187 | sv_root = (SV*)SvANY(p); \ | |
a0d0e21e | 188 | ++sv_count; \ |
4561caa4 | 189 | } while (0) |
463ee0b2 | 190 | |
940cb80d MB |
191 | #define new_SV(p) do { \ |
192 | LOCK_SV_MUTEX; \ | |
193 | if (sv_root) \ | |
194 | uproot_SV(p); \ | |
195 | else \ | |
196 | (p) = more_sv(); \ | |
197 | UNLOCK_SV_MUTEX; \ | |
fba3b22e | 198 | } while (0) |
463ee0b2 | 199 | |
a0d0e21e | 200 | #ifdef DEBUGGING |
4561caa4 | 201 | |
940cb80d MB |
202 | #define del_SV(p) do { \ |
203 | LOCK_SV_MUTEX; \ | |
204 | if (debug & 32768) \ | |
205 | del_sv(p); \ | |
206 | else \ | |
207 | plant_SV(p); \ | |
208 | UNLOCK_SV_MUTEX; \ | |
fba3b22e | 209 | } while (0) |
a0d0e21e | 210 | |
463ee0b2 | 211 | static void |
8ac85365 | 212 | del_sv(SV *p) |
463ee0b2 | 213 | { |
a0d0e21e | 214 | if (debug & 32768) { |
4633a7c4 | 215 | SV* sva; |
a0d0e21e LW |
216 | SV* sv; |
217 | SV* svend; | |
218 | int ok = 0; | |
4633a7c4 LW |
219 | for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { |
220 | sv = sva + 1; | |
221 | svend = &sva[SvREFCNT(sva)]; | |
a0d0e21e LW |
222 | if (p >= sv && p < svend) |
223 | ok = 1; | |
224 | } | |
225 | if (!ok) { | |
226 | warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p); | |
227 | return; | |
228 | } | |
229 | } | |
4561caa4 | 230 | plant_SV(p); |
463ee0b2 | 231 | } |
a0d0e21e | 232 | |
4561caa4 CS |
233 | #else /* ! DEBUGGING */ |
234 | ||
235 | #define del_SV(p) plant_SV(p) | |
236 | ||
237 | #endif /* DEBUGGING */ | |
463ee0b2 | 238 | |
4633a7c4 | 239 | void |
8ac85365 | 240 | sv_add_arena(char *ptr, U32 size, U32 flags) |
463ee0b2 | 241 | { |
4633a7c4 | 242 | SV* sva = (SV*)ptr; |
463ee0b2 LW |
243 | register SV* sv; |
244 | register SV* svend; | |
4633a7c4 LW |
245 | Zero(sva, size, char); |
246 | ||
247 | /* The first SV in an arena isn't an SV. */ | |
248 | SvANY(sva) = (void *) sv_arenaroot; /* ptr to next arena */ | |
249 | SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */ | |
250 | SvFLAGS(sva) = flags; /* FAKE if not to be freed */ | |
251 | ||
252 | sv_arenaroot = sva; | |
253 | sv_root = sva + 1; | |
254 | ||
255 | svend = &sva[SvREFCNT(sva) - 1]; | |
256 | sv = sva + 1; | |
463ee0b2 | 257 | while (sv < svend) { |
a0d0e21e | 258 | SvANY(sv) = (void *)(SV*)(sv + 1); |
8990e307 | 259 | SvFLAGS(sv) = SVTYPEMASK; |
463ee0b2 LW |
260 | sv++; |
261 | } | |
262 | SvANY(sv) = 0; | |
4633a7c4 LW |
263 | SvFLAGS(sv) = SVTYPEMASK; |
264 | } | |
265 | ||
fba3b22e | 266 | /* sv_mutex must be held while calling more_sv() */ |
4633a7c4 | 267 | static SV* |
8ac85365 | 268 | more_sv(void) |
4633a7c4 | 269 | { |
4561caa4 CS |
270 | register SV* sv; |
271 | ||
c07a80fd | 272 | if (nice_chunk) { |
273 | sv_add_arena(nice_chunk, nice_chunk_size, 0); | |
274 | nice_chunk = Nullch; | |
275 | } | |
1edc1566 | 276 | else { |
277 | char *chunk; /* must use New here to match call to */ | |
278 | New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */ | |
279 | sv_add_arena(chunk, 1008, 0); | |
280 | } | |
4561caa4 CS |
281 | uproot_SV(sv); |
282 | return sv; | |
463ee0b2 LW |
283 | } |
284 | ||
4561caa4 | 285 | static void |
8ac85365 | 286 | visit(SVFUNC f) |
8990e307 | 287 | { |
4633a7c4 | 288 | SV* sva; |
8990e307 LW |
289 | SV* sv; |
290 | register SV* svend; | |
291 | ||
4561caa4 | 292 | for (sva = sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { |
4633a7c4 | 293 | svend = &sva[SvREFCNT(sva)]; |
4561caa4 CS |
294 | for (sv = sva + 1; sv < svend; ++sv) { |
295 | if (SvTYPE(sv) != SVTYPEMASK) | |
296 | (*f)(sv); | |
8990e307 LW |
297 | } |
298 | } | |
299 | } | |
300 | ||
4561caa4 CS |
301 | #endif /* PURIFY */ |
302 | ||
303 | static void | |
8ac85365 | 304 | do_report_used(SV *sv) |
4561caa4 CS |
305 | { |
306 | if (SvTYPE(sv) != SVTYPEMASK) { | |
d1bf51dd | 307 | /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */ |
4561caa4 CS |
308 | PerlIO_printf(PerlIO_stderr(), "****\n"); |
309 | sv_dump(sv); | |
310 | } | |
311 | } | |
312 | ||
8990e307 | 313 | void |
8ac85365 | 314 | sv_report_used(void) |
4561caa4 CS |
315 | { |
316 | visit(do_report_used); | |
317 | } | |
318 | ||
319 | static void | |
8ac85365 | 320 | do_clean_objs(SV *sv) |
8990e307 | 321 | { |
a0d0e21e | 322 | SV* rv; |
8990e307 | 323 | |
4561caa4 | 324 | if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { |
d1bf51dd | 325 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));) |
4561caa4 CS |
326 | SvROK_off(sv); |
327 | SvRV(sv) = 0; | |
328 | SvREFCNT_dec(rv); | |
a5f75d66 | 329 | } |
4561caa4 CS |
330 | |
331 | /* XXX Might want to check arrays, etc. */ | |
332 | } | |
333 | ||
334 | #ifndef DISABLE_DESTRUCTOR_KLUDGE | |
335 | static void | |
8ac85365 | 336 | do_clean_named_objs(SV *sv) |
4561caa4 | 337 | { |
51ae5c03 JPC |
338 | if (SvTYPE(sv) == SVt_PVGV) { |
339 | if ( SvOBJECT(GvSV(sv)) || | |
340 | GvAV(sv) && SvOBJECT(GvAV(sv)) || | |
341 | GvHV(sv) && SvOBJECT(GvHV(sv)) || | |
342 | GvIO(sv) && SvOBJECT(GvIO(sv)) || | |
343 | GvCV(sv) && SvOBJECT(GvCV(sv)) ) | |
344 | { | |
345 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning named glob object:\n "), sv_dump(sv));) | |
346 | SvREFCNT_dec(sv); | |
347 | } | |
348 | else if (GvSV(sv)) | |
349 | do_clean_objs(GvSV(sv)); | |
350 | } | |
4561caa4 | 351 | } |
a5f75d66 | 352 | #endif |
4561caa4 | 353 | |
477f5d66 CS |
354 | static bool in_clean_objs = FALSE; |
355 | ||
4561caa4 | 356 | void |
8ac85365 | 357 | sv_clean_objs(void) |
4561caa4 | 358 | { |
477f5d66 | 359 | in_clean_objs = TRUE; |
4561caa4 CS |
360 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
361 | visit(do_clean_named_objs); | |
362 | #endif | |
363 | visit(do_clean_objs); | |
477f5d66 | 364 | in_clean_objs = FALSE; |
4561caa4 CS |
365 | } |
366 | ||
367 | static void | |
8ac85365 | 368 | do_clean_all(SV *sv) |
4561caa4 | 369 | { |
d1bf51dd | 370 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));) |
4561caa4 CS |
371 | SvFLAGS(sv) |= SVf_BREAK; |
372 | SvREFCNT_dec(sv); | |
8990e307 LW |
373 | } |
374 | ||
477f5d66 | 375 | static bool in_clean_all = FALSE; |
1edc1566 | 376 | |
8990e307 | 377 | void |
8ac85365 | 378 | sv_clean_all(void) |
8990e307 | 379 | { |
477f5d66 | 380 | in_clean_all = TRUE; |
4561caa4 | 381 | visit(do_clean_all); |
477f5d66 | 382 | in_clean_all = FALSE; |
8990e307 | 383 | } |
463ee0b2 | 384 | |
4633a7c4 | 385 | void |
8ac85365 | 386 | sv_free_arenas(void) |
4633a7c4 LW |
387 | { |
388 | SV* sva; | |
389 | SV* svanext; | |
390 | ||
391 | /* Free arenas here, but be careful about fake ones. (We assume | |
392 | contiguity of the fake ones with the corresponding real ones.) */ | |
393 | ||
394 | for (sva = sv_arenaroot; sva; sva = svanext) { | |
395 | svanext = (SV*) SvANY(sva); | |
396 | while (svanext && SvFAKE(svanext)) | |
397 | svanext = (SV*) SvANY(svanext); | |
398 | ||
399 | if (!SvFAKE(sva)) | |
1edc1566 | 400 | Safefree((void *)sva); |
4633a7c4 | 401 | } |
5f05dabc | 402 | |
403 | sv_arenaroot = 0; | |
404 | sv_root = 0; | |
4633a7c4 LW |
405 | } |
406 | ||
463ee0b2 | 407 | static XPVIV* |
8ac85365 | 408 | new_xiv(void) |
463ee0b2 | 409 | { |
a0d0e21e | 410 | IV** xiv; |
463ee0b2 LW |
411 | if (xiv_root) { |
412 | xiv = xiv_root; | |
85e6fe83 LW |
413 | /* |
414 | * See comment in more_xiv() -- RAM. | |
415 | */ | |
a0d0e21e | 416 | xiv_root = (IV**)*xiv; |
463ee0b2 LW |
417 | return (XPVIV*)((char*)xiv - sizeof(XPV)); |
418 | } | |
419 | return more_xiv(); | |
420 | } | |
421 | ||
422 | static void | |
8ac85365 | 423 | del_xiv(XPVIV *p) |
463ee0b2 | 424 | { |
a0d0e21e LW |
425 | IV** xiv = (IV**)((char*)(p) + sizeof(XPV)); |
426 | *xiv = (IV *)xiv_root; | |
463ee0b2 LW |
427 | xiv_root = xiv; |
428 | } | |
429 | ||
430 | static XPVIV* | |
8ac85365 | 431 | more_xiv(void) |
463ee0b2 | 432 | { |
a0d0e21e LW |
433 | register IV** xiv; |
434 | register IV** xivend; | |
8c52afec IZ |
435 | XPV* ptr; |
436 | New(705, ptr, 1008/sizeof(XPV), XPV); | |
a0d0e21e LW |
437 | ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */ |
438 | xiv_arenaroot = ptr; /* to keep Purify happy */ | |
439 | ||
440 | xiv = (IV**) ptr; | |
441 | xivend = &xiv[1008 / sizeof(IV *) - 1]; | |
442 | xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */ | |
463ee0b2 LW |
443 | xiv_root = xiv; |
444 | while (xiv < xivend) { | |
a0d0e21e | 445 | *xiv = (IV *)(xiv + 1); |
463ee0b2 LW |
446 | xiv++; |
447 | } | |
85e6fe83 | 448 | *xiv = 0; |
463ee0b2 LW |
449 | return new_xiv(); |
450 | } | |
451 | ||
463ee0b2 | 452 | static XPVNV* |
8ac85365 | 453 | new_xnv(void) |
463ee0b2 LW |
454 | { |
455 | double* xnv; | |
456 | if (xnv_root) { | |
457 | xnv = xnv_root; | |
458 | xnv_root = *(double**)xnv; | |
459 | return (XPVNV*)((char*)xnv - sizeof(XPVIV)); | |
460 | } | |
461 | return more_xnv(); | |
462 | } | |
463 | ||
464 | static void | |
8ac85365 | 465 | del_xnv(XPVNV *p) |
463ee0b2 LW |
466 | { |
467 | double* xnv = (double*)((char*)(p) + sizeof(XPVIV)); | |
468 | *(double**)xnv = xnv_root; | |
469 | xnv_root = xnv; | |
470 | } | |
471 | ||
472 | static XPVNV* | |
8ac85365 | 473 | more_xnv(void) |
463ee0b2 | 474 | { |
463ee0b2 LW |
475 | register double* xnv; |
476 | register double* xnvend; | |
8c52afec | 477 | New(711, xnv, 1008/sizeof(double), double); |
463ee0b2 LW |
478 | xnvend = &xnv[1008 / sizeof(double) - 1]; |
479 | xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */ | |
480 | xnv_root = xnv; | |
481 | while (xnv < xnvend) { | |
482 | *(double**)xnv = (double*)(xnv + 1); | |
483 | xnv++; | |
484 | } | |
485 | *(double**)xnv = 0; | |
486 | return new_xnv(); | |
487 | } | |
488 | ||
ed6116ce | 489 | static XRV* |
8ac85365 | 490 | new_xrv(void) |
ed6116ce LW |
491 | { |
492 | XRV* xrv; | |
493 | if (xrv_root) { | |
494 | xrv = xrv_root; | |
495 | xrv_root = (XRV*)xrv->xrv_rv; | |
496 | return xrv; | |
497 | } | |
498 | return more_xrv(); | |
499 | } | |
500 | ||
501 | static void | |
8ac85365 | 502 | del_xrv(XRV *p) |
ed6116ce LW |
503 | { |
504 | p->xrv_rv = (SV*)xrv_root; | |
505 | xrv_root = p; | |
506 | } | |
507 | ||
508 | static XRV* | |
8ac85365 | 509 | more_xrv(void) |
ed6116ce | 510 | { |
ed6116ce LW |
511 | register XRV* xrv; |
512 | register XRV* xrvend; | |
8c52afec | 513 | New(712, xrv_root, 1008/sizeof(XRV), XRV); |
ed6116ce LW |
514 | xrv = xrv_root; |
515 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; | |
516 | while (xrv < xrvend) { | |
517 | xrv->xrv_rv = (SV*)(xrv + 1); | |
518 | xrv++; | |
519 | } | |
520 | xrv->xrv_rv = 0; | |
521 | return new_xrv(); | |
522 | } | |
523 | ||
463ee0b2 | 524 | static XPV* |
8ac85365 | 525 | new_xpv(void) |
463ee0b2 LW |
526 | { |
527 | XPV* xpv; | |
528 | if (xpv_root) { | |
529 | xpv = xpv_root; | |
530 | xpv_root = (XPV*)xpv->xpv_pv; | |
531 | return xpv; | |
532 | } | |
533 | return more_xpv(); | |
534 | } | |
535 | ||
536 | static void | |
8ac85365 | 537 | del_xpv(XPV *p) |
463ee0b2 LW |
538 | { |
539 | p->xpv_pv = (char*)xpv_root; | |
540 | xpv_root = p; | |
541 | } | |
542 | ||
543 | static XPV* | |
8ac85365 | 544 | more_xpv(void) |
463ee0b2 | 545 | { |
463ee0b2 LW |
546 | register XPV* xpv; |
547 | register XPV* xpvend; | |
8c52afec | 548 | New(713, xpv_root, 1008/sizeof(XPV), XPV); |
463ee0b2 LW |
549 | xpv = xpv_root; |
550 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; | |
551 | while (xpv < xpvend) { | |
552 | xpv->xpv_pv = (char*)(xpv + 1); | |
553 | xpv++; | |
554 | } | |
555 | xpv->xpv_pv = 0; | |
556 | return new_xpv(); | |
557 | } | |
558 | ||
559 | #ifdef PURIFY | |
8990e307 | 560 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
3028581b | 561 | #define del_XIV(p) Safefree((char*)p) |
463ee0b2 | 562 | #else |
85e6fe83 | 563 | #define new_XIV() (void*)new_xiv() |
8ac85365 | 564 | #define del_XIV(p) del_xiv((XPVIV*) p) |
463ee0b2 LW |
565 | #endif |
566 | ||
567 | #ifdef PURIFY | |
8990e307 | 568 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
3028581b | 569 | #define del_XNV(p) Safefree((char*)p) |
463ee0b2 | 570 | #else |
85e6fe83 | 571 | #define new_XNV() (void*)new_xnv() |
8ac85365 | 572 | #define del_XNV(p) del_xnv((XPVNV*) p) |
463ee0b2 LW |
573 | #endif |
574 | ||
575 | #ifdef PURIFY | |
8990e307 | 576 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
3028581b | 577 | #define del_XRV(p) Safefree((char*)p) |
ed6116ce | 578 | #else |
85e6fe83 | 579 | #define new_XRV() (void*)new_xrv() |
8ac85365 | 580 | #define del_XRV(p) del_xrv((XRV*) p) |
ed6116ce LW |
581 | #endif |
582 | ||
583 | #ifdef PURIFY | |
8990e307 | 584 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
3028581b | 585 | #define del_XPV(p) Safefree((char*)p) |
463ee0b2 | 586 | #else |
85e6fe83 | 587 | #define new_XPV() (void*)new_xpv() |
8ac85365 | 588 | #define del_XPV(p) del_xpv((XPV *)p) |
463ee0b2 LW |
589 | #endif |
590 | ||
8c52afec IZ |
591 | #ifdef PURIFY |
592 | # define my_safemalloc(s) safemalloc(s) | |
593 | # define my_safefree(s) free(s) | |
594 | #else | |
595 | static void* | |
d665c133 | 596 | my_safemalloc(MEM_SIZE size) |
8c52afec IZ |
597 | { |
598 | char *p; | |
599 | New(717, p, size, char); | |
600 | return (void*)p; | |
601 | } | |
602 | # define my_safefree(s) Safefree(s) | |
603 | #endif | |
604 | ||
605 | #define new_XPVIV() (void*)my_safemalloc(sizeof(XPVIV)) | |
606 | #define del_XPVIV(p) my_safefree((char*)p) | |
607 | ||
608 | #define new_XPVNV() (void*)my_safemalloc(sizeof(XPVNV)) | |
609 | #define del_XPVNV(p) my_safefree((char*)p) | |
610 | ||
611 | #define new_XPVMG() (void*)my_safemalloc(sizeof(XPVMG)) | |
612 | #define del_XPVMG(p) my_safefree((char*)p) | |
613 | ||
614 | #define new_XPVLV() (void*)my_safemalloc(sizeof(XPVLV)) | |
615 | #define del_XPVLV(p) my_safefree((char*)p) | |
616 | ||
617 | #define new_XPVAV() (void*)my_safemalloc(sizeof(XPVAV)) | |
618 | #define del_XPVAV(p) my_safefree((char*)p) | |
619 | ||
620 | #define new_XPVHV() (void*)my_safemalloc(sizeof(XPVHV)) | |
621 | #define del_XPVHV(p) my_safefree((char*)p) | |
622 | ||
623 | #define new_XPVCV() (void*)my_safemalloc(sizeof(XPVCV)) | |
624 | #define del_XPVCV(p) my_safefree((char*)p) | |
625 | ||
626 | #define new_XPVGV() (void*)my_safemalloc(sizeof(XPVGV)) | |
627 | #define del_XPVGV(p) my_safefree((char*)p) | |
628 | ||
629 | #define new_XPVBM() (void*)my_safemalloc(sizeof(XPVBM)) | |
630 | #define del_XPVBM(p) my_safefree((char*)p) | |
631 | ||
632 | #define new_XPVFM() (void*)my_safemalloc(sizeof(XPVFM)) | |
633 | #define del_XPVFM(p) my_safefree((char*)p) | |
634 | ||
635 | #define new_XPVIO() (void*)my_safemalloc(sizeof(XPVIO)) | |
636 | #define del_XPVIO(p) my_safefree((char*)p) | |
8990e307 | 637 | |
79072805 | 638 | bool |
8ac85365 | 639 | sv_upgrade(register SV *sv, U32 mt) |
79072805 LW |
640 | { |
641 | char* pv; | |
642 | U32 cur; | |
643 | U32 len; | |
a0d0e21e | 644 | IV iv; |
79072805 LW |
645 | double nv; |
646 | MAGIC* magic; | |
647 | HV* stash; | |
648 | ||
649 | if (SvTYPE(sv) == mt) | |
650 | return TRUE; | |
651 | ||
a5f75d66 AD |
652 | if (mt < SVt_PVIV) |
653 | (void)SvOOK_off(sv); | |
654 | ||
79072805 LW |
655 | switch (SvTYPE(sv)) { |
656 | case SVt_NULL: | |
657 | pv = 0; | |
658 | cur = 0; | |
659 | len = 0; | |
660 | iv = 0; | |
661 | nv = 0.0; | |
662 | magic = 0; | |
663 | stash = 0; | |
664 | break; | |
79072805 LW |
665 | case SVt_IV: |
666 | pv = 0; | |
667 | cur = 0; | |
668 | len = 0; | |
463ee0b2 LW |
669 | iv = SvIVX(sv); |
670 | nv = (double)SvIVX(sv); | |
79072805 LW |
671 | del_XIV(SvANY(sv)); |
672 | magic = 0; | |
673 | stash = 0; | |
ed6116ce | 674 | if (mt == SVt_NV) |
463ee0b2 | 675 | mt = SVt_PVNV; |
ed6116ce LW |
676 | else if (mt < SVt_PVIV) |
677 | mt = SVt_PVIV; | |
79072805 LW |
678 | break; |
679 | case SVt_NV: | |
680 | pv = 0; | |
681 | cur = 0; | |
682 | len = 0; | |
463ee0b2 | 683 | nv = SvNVX(sv); |
ed6116ce | 684 | iv = I_32(nv); |
79072805 LW |
685 | magic = 0; |
686 | stash = 0; | |
687 | del_XNV(SvANY(sv)); | |
688 | SvANY(sv) = 0; | |
ed6116ce | 689 | if (mt < SVt_PVNV) |
79072805 LW |
690 | mt = SVt_PVNV; |
691 | break; | |
ed6116ce LW |
692 | case SVt_RV: |
693 | pv = (char*)SvRV(sv); | |
694 | cur = 0; | |
695 | len = 0; | |
a0d0e21e | 696 | iv = (IV)pv; |
ed6116ce LW |
697 | nv = (double)(unsigned long)pv; |
698 | del_XRV(SvANY(sv)); | |
699 | magic = 0; | |
700 | stash = 0; | |
701 | break; | |
79072805 | 702 | case SVt_PV: |
463ee0b2 | 703 | pv = SvPVX(sv); |
79072805 LW |
704 | cur = SvCUR(sv); |
705 | len = SvLEN(sv); | |
706 | iv = 0; | |
707 | nv = 0.0; | |
708 | magic = 0; | |
709 | stash = 0; | |
710 | del_XPV(SvANY(sv)); | |
748a9306 LW |
711 | if (mt <= SVt_IV) |
712 | mt = SVt_PVIV; | |
713 | else if (mt == SVt_NV) | |
714 | mt = SVt_PVNV; | |
79072805 LW |
715 | break; |
716 | case SVt_PVIV: | |
463ee0b2 | 717 | pv = SvPVX(sv); |
79072805 LW |
718 | cur = SvCUR(sv); |
719 | len = SvLEN(sv); | |
463ee0b2 | 720 | iv = SvIVX(sv); |
79072805 LW |
721 | nv = 0.0; |
722 | magic = 0; | |
723 | stash = 0; | |
724 | del_XPVIV(SvANY(sv)); | |
725 | break; | |
726 | case SVt_PVNV: | |
463ee0b2 | 727 | pv = SvPVX(sv); |
79072805 LW |
728 | cur = SvCUR(sv); |
729 | len = SvLEN(sv); | |
463ee0b2 LW |
730 | iv = SvIVX(sv); |
731 | nv = SvNVX(sv); | |
79072805 LW |
732 | magic = 0; |
733 | stash = 0; | |
734 | del_XPVNV(SvANY(sv)); | |
735 | break; | |
736 | case SVt_PVMG: | |
463ee0b2 | 737 | pv = SvPVX(sv); |
79072805 LW |
738 | cur = SvCUR(sv); |
739 | len = SvLEN(sv); | |
463ee0b2 LW |
740 | iv = SvIVX(sv); |
741 | nv = SvNVX(sv); | |
79072805 LW |
742 | magic = SvMAGIC(sv); |
743 | stash = SvSTASH(sv); | |
744 | del_XPVMG(SvANY(sv)); | |
745 | break; | |
746 | default: | |
463ee0b2 | 747 | croak("Can't upgrade that kind of scalar"); |
79072805 LW |
748 | } |
749 | ||
750 | switch (mt) { | |
751 | case SVt_NULL: | |
463ee0b2 | 752 | croak("Can't upgrade to undef"); |
79072805 LW |
753 | case SVt_IV: |
754 | SvANY(sv) = new_XIV(); | |
463ee0b2 | 755 | SvIVX(sv) = iv; |
79072805 LW |
756 | break; |
757 | case SVt_NV: | |
758 | SvANY(sv) = new_XNV(); | |
463ee0b2 | 759 | SvNVX(sv) = nv; |
79072805 | 760 | break; |
ed6116ce LW |
761 | case SVt_RV: |
762 | SvANY(sv) = new_XRV(); | |
763 | SvRV(sv) = (SV*)pv; | |
ed6116ce | 764 | break; |
79072805 LW |
765 | case SVt_PV: |
766 | SvANY(sv) = new_XPV(); | |
463ee0b2 | 767 | SvPVX(sv) = pv; |
79072805 LW |
768 | SvCUR(sv) = cur; |
769 | SvLEN(sv) = len; | |
770 | break; | |
771 | case SVt_PVIV: | |
772 | SvANY(sv) = new_XPVIV(); | |
463ee0b2 | 773 | SvPVX(sv) = pv; |
79072805 LW |
774 | SvCUR(sv) = cur; |
775 | SvLEN(sv) = len; | |
463ee0b2 | 776 | SvIVX(sv) = iv; |
79072805 | 777 | if (SvNIOK(sv)) |
a0d0e21e | 778 | (void)SvIOK_on(sv); |
79072805 LW |
779 | SvNOK_off(sv); |
780 | break; | |
781 | case SVt_PVNV: | |
782 | SvANY(sv) = new_XPVNV(); | |
463ee0b2 | 783 | SvPVX(sv) = pv; |
79072805 LW |
784 | SvCUR(sv) = cur; |
785 | SvLEN(sv) = len; | |
463ee0b2 LW |
786 | SvIVX(sv) = iv; |
787 | SvNVX(sv) = nv; | |
79072805 LW |
788 | break; |
789 | case SVt_PVMG: | |
790 | SvANY(sv) = new_XPVMG(); | |
463ee0b2 | 791 | SvPVX(sv) = pv; |
79072805 LW |
792 | SvCUR(sv) = cur; |
793 | SvLEN(sv) = len; | |
463ee0b2 LW |
794 | SvIVX(sv) = iv; |
795 | SvNVX(sv) = nv; | |
79072805 LW |
796 | SvMAGIC(sv) = magic; |
797 | SvSTASH(sv) = stash; | |
798 | break; | |
799 | case SVt_PVLV: | |
800 | SvANY(sv) = new_XPVLV(); | |
463ee0b2 | 801 | SvPVX(sv) = pv; |
79072805 LW |
802 | SvCUR(sv) = cur; |
803 | SvLEN(sv) = len; | |
463ee0b2 LW |
804 | SvIVX(sv) = iv; |
805 | SvNVX(sv) = nv; | |
79072805 LW |
806 | SvMAGIC(sv) = magic; |
807 | SvSTASH(sv) = stash; | |
808 | LvTARGOFF(sv) = 0; | |
809 | LvTARGLEN(sv) = 0; | |
810 | LvTARG(sv) = 0; | |
811 | LvTYPE(sv) = 0; | |
812 | break; | |
813 | case SVt_PVAV: | |
814 | SvANY(sv) = new_XPVAV(); | |
463ee0b2 LW |
815 | if (pv) |
816 | Safefree(pv); | |
2304df62 | 817 | SvPVX(sv) = 0; |
d1bf51dd | 818 | AvMAX(sv) = -1; |
93965878 | 819 | AvFILLp(sv) = -1; |
463ee0b2 LW |
820 | SvIVX(sv) = 0; |
821 | SvNVX(sv) = 0.0; | |
822 | SvMAGIC(sv) = magic; | |
823 | SvSTASH(sv) = stash; | |
824 | AvALLOC(sv) = 0; | |
79072805 LW |
825 | AvARYLEN(sv) = 0; |
826 | AvFLAGS(sv) = 0; | |
827 | break; | |
828 | case SVt_PVHV: | |
829 | SvANY(sv) = new_XPVHV(); | |
463ee0b2 LW |
830 | if (pv) |
831 | Safefree(pv); | |
832 | SvPVX(sv) = 0; | |
833 | HvFILL(sv) = 0; | |
834 | HvMAX(sv) = 0; | |
835 | HvKEYS(sv) = 0; | |
836 | SvNVX(sv) = 0.0; | |
79072805 LW |
837 | SvMAGIC(sv) = magic; |
838 | SvSTASH(sv) = stash; | |
79072805 LW |
839 | HvRITER(sv) = 0; |
840 | HvEITER(sv) = 0; | |
841 | HvPMROOT(sv) = 0; | |
842 | HvNAME(sv) = 0; | |
79072805 LW |
843 | break; |
844 | case SVt_PVCV: | |
845 | SvANY(sv) = new_XPVCV(); | |
748a9306 | 846 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 | 847 | SvPVX(sv) = pv; |
79072805 LW |
848 | SvCUR(sv) = cur; |
849 | SvLEN(sv) = len; | |
463ee0b2 LW |
850 | SvIVX(sv) = iv; |
851 | SvNVX(sv) = nv; | |
79072805 LW |
852 | SvMAGIC(sv) = magic; |
853 | SvSTASH(sv) = stash; | |
79072805 LW |
854 | break; |
855 | case SVt_PVGV: | |
856 | SvANY(sv) = new_XPVGV(); | |
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; | |
93a17b20 | 864 | GvGP(sv) = 0; |
79072805 LW |
865 | GvNAME(sv) = 0; |
866 | GvNAMELEN(sv) = 0; | |
867 | GvSTASH(sv) = 0; | |
a5f75d66 | 868 | GvFLAGS(sv) = 0; |
79072805 LW |
869 | break; |
870 | case SVt_PVBM: | |
871 | SvANY(sv) = new_XPVBM(); | |
463ee0b2 | 872 | SvPVX(sv) = pv; |
79072805 LW |
873 | SvCUR(sv) = cur; |
874 | SvLEN(sv) = len; | |
463ee0b2 LW |
875 | SvIVX(sv) = iv; |
876 | SvNVX(sv) = nv; | |
79072805 LW |
877 | SvMAGIC(sv) = magic; |
878 | SvSTASH(sv) = stash; | |
879 | BmRARE(sv) = 0; | |
880 | BmUSEFUL(sv) = 0; | |
881 | BmPREVIOUS(sv) = 0; | |
882 | break; | |
883 | case SVt_PVFM: | |
884 | SvANY(sv) = new_XPVFM(); | |
748a9306 | 885 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 | 886 | SvPVX(sv) = pv; |
79072805 LW |
887 | SvCUR(sv) = cur; |
888 | SvLEN(sv) = len; | |
463ee0b2 LW |
889 | SvIVX(sv) = iv; |
890 | SvNVX(sv) = nv; | |
79072805 LW |
891 | SvMAGIC(sv) = magic; |
892 | SvSTASH(sv) = stash; | |
79072805 | 893 | break; |
8990e307 LW |
894 | case SVt_PVIO: |
895 | SvANY(sv) = new_XPVIO(); | |
748a9306 | 896 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 LW |
897 | SvPVX(sv) = pv; |
898 | SvCUR(sv) = cur; | |
899 | SvLEN(sv) = len; | |
900 | SvIVX(sv) = iv; | |
901 | SvNVX(sv) = nv; | |
902 | SvMAGIC(sv) = magic; | |
903 | SvSTASH(sv) = stash; | |
85e6fe83 | 904 | IoPAGE_LEN(sv) = 60; |
8990e307 LW |
905 | break; |
906 | } | |
907 | SvFLAGS(sv) &= ~SVTYPEMASK; | |
908 | SvFLAGS(sv) |= mt; | |
79072805 LW |
909 | return TRUE; |
910 | } | |
911 | ||
a0d0e21e | 912 | #ifdef DEBUGGING |
79072805 | 913 | char * |
8ac85365 | 914 | sv_peek(SV *sv) |
79072805 | 915 | { |
46fc3d4c | 916 | SV *t = sv_newmortal(); |
917 | STRLEN prevlen; | |
a0d0e21e | 918 | int unref = 0; |
79072805 | 919 | |
2b98c477 | 920 | sv_setpvn(t, "", 0); |
79072805 LW |
921 | retry: |
922 | if (!sv) { | |
46fc3d4c | 923 | sv_catpv(t, "VOID"); |
a0d0e21e | 924 | goto finish; |
79072805 LW |
925 | } |
926 | else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { | |
46fc3d4c | 927 | sv_catpv(t, "WILD"); |
a0d0e21e LW |
928 | goto finish; |
929 | } | |
930 | else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) { | |
931 | if (sv == &sv_undef) { | |
46fc3d4c | 932 | sv_catpv(t, "SV_UNDEF"); |
a0d0e21e LW |
933 | if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT| |
934 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
935 | SvREADONLY(sv)) | |
936 | goto finish; | |
937 | } | |
938 | else if (sv == &sv_no) { | |
46fc3d4c | 939 | sv_catpv(t, "SV_NO"); |
a0d0e21e LW |
940 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
941 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
942 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
943 | SVp_POK|SVp_NOK)) && | |
944 | SvCUR(sv) == 0 && | |
945 | SvNVX(sv) == 0.0) | |
946 | goto finish; | |
947 | } | |
948 | else { | |
46fc3d4c | 949 | sv_catpv(t, "SV_YES"); |
a0d0e21e LW |
950 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
951 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
952 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
953 | SVp_POK|SVp_NOK)) && | |
954 | SvCUR(sv) == 1 && | |
955 | SvPVX(sv) && *SvPVX(sv) == '1' && | |
956 | SvNVX(sv) == 1.0) | |
957 | goto finish; | |
958 | } | |
46fc3d4c | 959 | sv_catpv(t, ":"); |
79072805 | 960 | } |
a0d0e21e | 961 | else if (SvREFCNT(sv) == 0) { |
46fc3d4c | 962 | sv_catpv(t, "("); |
a0d0e21e | 963 | unref++; |
79072805 | 964 | } |
a0d0e21e | 965 | if (SvROK(sv)) { |
46fc3d4c | 966 | sv_catpv(t, "\\"); |
967 | if (SvCUR(t) + unref > 10) { | |
968 | SvCUR(t) = unref + 3; | |
969 | *SvEND(t) = '\0'; | |
970 | sv_catpv(t, "..."); | |
a0d0e21e | 971 | goto finish; |
79072805 | 972 | } |
a0d0e21e LW |
973 | sv = (SV*)SvRV(sv); |
974 | goto retry; | |
975 | } | |
976 | switch (SvTYPE(sv)) { | |
977 | default: | |
46fc3d4c | 978 | sv_catpv(t, "FREED"); |
a0d0e21e LW |
979 | goto finish; |
980 | ||
981 | case SVt_NULL: | |
46fc3d4c | 982 | sv_catpv(t, "UNDEF"); |
96827780 | 983 | goto finish; |
a0d0e21e | 984 | case SVt_IV: |
46fc3d4c | 985 | sv_catpv(t, "IV"); |
a0d0e21e LW |
986 | break; |
987 | case SVt_NV: | |
46fc3d4c | 988 | sv_catpv(t, "NV"); |
a0d0e21e LW |
989 | break; |
990 | case SVt_RV: | |
46fc3d4c | 991 | sv_catpv(t, "RV"); |
a0d0e21e LW |
992 | break; |
993 | case SVt_PV: | |
46fc3d4c | 994 | sv_catpv(t, "PV"); |
a0d0e21e LW |
995 | break; |
996 | case SVt_PVIV: | |
46fc3d4c | 997 | sv_catpv(t, "PVIV"); |
a0d0e21e LW |
998 | break; |
999 | case SVt_PVNV: | |
46fc3d4c | 1000 | sv_catpv(t, "PVNV"); |
a0d0e21e LW |
1001 | break; |
1002 | case SVt_PVMG: | |
46fc3d4c | 1003 | sv_catpv(t, "PVMG"); |
a0d0e21e LW |
1004 | break; |
1005 | case SVt_PVLV: | |
46fc3d4c | 1006 | sv_catpv(t, "PVLV"); |
a0d0e21e LW |
1007 | break; |
1008 | case SVt_PVAV: | |
46fc3d4c | 1009 | sv_catpv(t, "AV"); |
a0d0e21e LW |
1010 | break; |
1011 | case SVt_PVHV: | |
46fc3d4c | 1012 | sv_catpv(t, "HV"); |
a0d0e21e LW |
1013 | break; |
1014 | case SVt_PVCV: | |
1015 | if (CvGV(sv)) | |
46fc3d4c | 1016 | sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv))); |
a0d0e21e | 1017 | else |
46fc3d4c | 1018 | sv_catpv(t, "CV()"); |
a0d0e21e LW |
1019 | goto finish; |
1020 | case SVt_PVGV: | |
46fc3d4c | 1021 | sv_catpv(t, "GV"); |
a0d0e21e LW |
1022 | break; |
1023 | case SVt_PVBM: | |
46fc3d4c | 1024 | sv_catpv(t, "BM"); |
a0d0e21e LW |
1025 | break; |
1026 | case SVt_PVFM: | |
46fc3d4c | 1027 | sv_catpv(t, "FM"); |
a0d0e21e LW |
1028 | break; |
1029 | case SVt_PVIO: | |
46fc3d4c | 1030 | sv_catpv(t, "IO"); |
a0d0e21e | 1031 | break; |
79072805 | 1032 | } |
79072805 | 1033 | |
a0d0e21e | 1034 | if (SvPOKp(sv)) { |
463ee0b2 | 1035 | if (!SvPVX(sv)) |
46fc3d4c | 1036 | sv_catpv(t, "(null)"); |
79072805 | 1037 | if (SvOOK(sv)) |
46fc3d4c | 1038 | sv_catpvf(t, "(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); |
79072805 | 1039 | else |
46fc3d4c | 1040 | sv_catpvf(t, "(\"%.127s\")",SvPVX(sv)); |
79072805 | 1041 | } |
bbce6d69 | 1042 | else if (SvNOKp(sv)) { |
36477c24 | 1043 | SET_NUMERIC_STANDARD(); |
46fc3d4c | 1044 | sv_catpvf(t, "(%g)",SvNVX(sv)); |
bbce6d69 | 1045 | } |
a0d0e21e | 1046 | else if (SvIOKp(sv)) |
46fc3d4c | 1047 | sv_catpvf(t, "(%ld)",(long)SvIVX(sv)); |
79072805 | 1048 | else |
46fc3d4c | 1049 | sv_catpv(t, "()"); |
a0d0e21e LW |
1050 | |
1051 | finish: | |
1052 | if (unref) { | |
a0d0e21e | 1053 | while (unref--) |
46fc3d4c | 1054 | sv_catpv(t, ")"); |
a0d0e21e | 1055 | } |
46fc3d4c | 1056 | return SvPV(t, na); |
79072805 | 1057 | } |
a0d0e21e | 1058 | #endif |
79072805 LW |
1059 | |
1060 | int | |
8ac85365 | 1061 | sv_backoff(register SV *sv) |
79072805 LW |
1062 | { |
1063 | assert(SvOOK(sv)); | |
463ee0b2 LW |
1064 | if (SvIVX(sv)) { |
1065 | char *s = SvPVX(sv); | |
1066 | SvLEN(sv) += SvIVX(sv); | |
1067 | SvPVX(sv) -= SvIVX(sv); | |
79072805 | 1068 | SvIV_set(sv, 0); |
463ee0b2 | 1069 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 LW |
1070 | } |
1071 | SvFLAGS(sv) &= ~SVf_OOK; | |
a0d0e21e | 1072 | return 0; |
79072805 LW |
1073 | } |
1074 | ||
1075 | char * | |
79072805 | 1076 | #ifndef DOSISH |
f0f333f4 | 1077 | sv_grow(register SV *sv, register I32 newlen) |
79072805 | 1078 | #else |
f0f333f4 | 1079 | sv_grow(SV* sv, unsigned long newlen) |
79072805 LW |
1080 | #endif |
1081 | { | |
1082 | register char *s; | |
1083 | ||
55497cff | 1084 | #ifdef HAS_64K_LIMIT |
79072805 | 1085 | if (newlen >= 0x10000) { |
d1bf51dd | 1086 | PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen); |
79072805 LW |
1087 | my_exit(1); |
1088 | } | |
55497cff | 1089 | #endif /* HAS_64K_LIMIT */ |
a0d0e21e LW |
1090 | if (SvROK(sv)) |
1091 | sv_unref(sv); | |
79072805 LW |
1092 | if (SvTYPE(sv) < SVt_PV) { |
1093 | sv_upgrade(sv, SVt_PV); | |
463ee0b2 | 1094 | s = SvPVX(sv); |
79072805 LW |
1095 | } |
1096 | else if (SvOOK(sv)) { /* pv is offset? */ | |
1097 | sv_backoff(sv); | |
463ee0b2 | 1098 | s = SvPVX(sv); |
79072805 LW |
1099 | if (newlen > SvLEN(sv)) |
1100 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ | |
c6f8c383 GA |
1101 | #ifdef HAS_64K_LIMIT |
1102 | if (newlen >= 0x10000) | |
1103 | newlen = 0xFFFF; | |
1104 | #endif | |
79072805 LW |
1105 | } |
1106 | else | |
463ee0b2 | 1107 | s = SvPVX(sv); |
79072805 | 1108 | if (newlen > SvLEN(sv)) { /* need more room? */ |
85e6fe83 | 1109 | if (SvLEN(sv) && s) |
79072805 LW |
1110 | Renew(s,newlen,char); |
1111 | else | |
1112 | New(703,s,newlen,char); | |
1113 | SvPV_set(sv, s); | |
1114 | SvLEN_set(sv, newlen); | |
1115 | } | |
1116 | return s; | |
1117 | } | |
1118 | ||
1119 | void | |
8ac85365 | 1120 | sv_setiv(register SV *sv, IV i) |
79072805 | 1121 | { |
2213622d | 1122 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 LW |
1123 | switch (SvTYPE(sv)) { |
1124 | case SVt_NULL: | |
79072805 | 1125 | sv_upgrade(sv, SVt_IV); |
463ee0b2 LW |
1126 | break; |
1127 | case SVt_NV: | |
1128 | sv_upgrade(sv, SVt_PVNV); | |
1129 | break; | |
ed6116ce | 1130 | case SVt_RV: |
463ee0b2 | 1131 | case SVt_PV: |
79072805 | 1132 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 | 1133 | break; |
a0d0e21e LW |
1134 | |
1135 | case SVt_PVGV: | |
1136 | if (SvFAKE(sv)) { | |
1137 | sv_unglob(sv); | |
1138 | break; | |
1139 | } | |
1140 | /* FALL THROUGH */ | |
1141 | case SVt_PVAV: | |
1142 | case SVt_PVHV: | |
1143 | case SVt_PVCV: | |
1144 | case SVt_PVFM: | |
1145 | case SVt_PVIO: | |
11343788 MB |
1146 | { |
1147 | dTHR; | |
1148 | croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), | |
5dc0d613 | 1149 | op_desc[op->op_type]); |
11343788 | 1150 | } |
463ee0b2 | 1151 | } |
a0d0e21e | 1152 | (void)SvIOK_only(sv); /* validate number */ |
a5f75d66 | 1153 | SvIVX(sv) = i; |
463ee0b2 | 1154 | SvTAINT(sv); |
79072805 LW |
1155 | } |
1156 | ||
1157 | void | |
ef50df4b GS |
1158 | sv_setiv_mg(register SV *sv, IV i) |
1159 | { | |
1160 | sv_setiv(sv,i); | |
1161 | SvSETMAGIC(sv); | |
1162 | } | |
1163 | ||
1164 | void | |
8ac85365 | 1165 | sv_setuv(register SV *sv, UV u) |
55497cff | 1166 | { |
1167 | if (u <= IV_MAX) | |
1168 | sv_setiv(sv, u); | |
1169 | else | |
1170 | sv_setnv(sv, (double)u); | |
1171 | } | |
1172 | ||
1173 | void | |
ef50df4b GS |
1174 | sv_setuv_mg(register SV *sv, UV u) |
1175 | { | |
1176 | sv_setuv(sv,u); | |
1177 | SvSETMAGIC(sv); | |
1178 | } | |
1179 | ||
1180 | void | |
8ac85365 | 1181 | sv_setnv(register SV *sv, double num) |
79072805 | 1182 | { |
2213622d | 1183 | SV_CHECK_THINKFIRST(sv); |
a0d0e21e LW |
1184 | switch (SvTYPE(sv)) { |
1185 | case SVt_NULL: | |
1186 | case SVt_IV: | |
79072805 | 1187 | sv_upgrade(sv, SVt_NV); |
a0d0e21e | 1188 | break; |
a0d0e21e LW |
1189 | case SVt_RV: |
1190 | case SVt_PV: | |
1191 | case SVt_PVIV: | |
79072805 | 1192 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e LW |
1193 | /* FALL THROUGH */ |
1194 | case SVt_PVNV: | |
1195 | case SVt_PVMG: | |
1196 | case SVt_PVBM: | |
1197 | case SVt_PVLV: | |
1198 | if (SvOOK(sv)) | |
1199 | (void)SvOOK_off(sv); | |
1200 | break; | |
1201 | case SVt_PVGV: | |
1202 | if (SvFAKE(sv)) { | |
1203 | sv_unglob(sv); | |
1204 | break; | |
1205 | } | |
1206 | /* FALL THROUGH */ | |
1207 | case SVt_PVAV: | |
1208 | case SVt_PVHV: | |
1209 | case SVt_PVCV: | |
1210 | case SVt_PVFM: | |
1211 | case SVt_PVIO: | |
11343788 MB |
1212 | { |
1213 | dTHR; | |
1214 | croak("Can't coerce %s to number in %s", sv_reftype(sv,0), | |
1215 | op_name[op->op_type]); | |
1216 | } | |
79072805 | 1217 | } |
463ee0b2 | 1218 | SvNVX(sv) = num; |
a0d0e21e | 1219 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 | 1220 | SvTAINT(sv); |
79072805 LW |
1221 | } |
1222 | ||
ef50df4b GS |
1223 | void |
1224 | sv_setnv_mg(register SV *sv, double num) | |
1225 | { | |
1226 | sv_setnv(sv,num); | |
1227 | SvSETMAGIC(sv); | |
1228 | } | |
1229 | ||
a0d0e21e | 1230 | static void |
8ac85365 | 1231 | not_a_number(SV *sv) |
a0d0e21e | 1232 | { |
11343788 | 1233 | dTHR; |
a0d0e21e LW |
1234 | char tmpbuf[64]; |
1235 | char *d = tmpbuf; | |
1236 | char *s; | |
dc28f22b GA |
1237 | char *limit = tmpbuf + sizeof(tmpbuf) - 8; |
1238 | /* each *s can expand to 4 chars + "...\0", | |
1239 | i.e. need room for 8 chars */ | |
a0d0e21e | 1240 | |
dc28f22b | 1241 | for (s = SvPVX(sv); *s && d < limit; s++) { |
bbce6d69 | 1242 | int ch = *s & 0xFF; |
1243 | if (ch & 128 && !isPRINT_LC(ch)) { | |
a0d0e21e LW |
1244 | *d++ = 'M'; |
1245 | *d++ = '-'; | |
1246 | ch &= 127; | |
1247 | } | |
bbce6d69 | 1248 | if (ch == '\n') { |
1249 | *d++ = '\\'; | |
1250 | *d++ = 'n'; | |
1251 | } | |
1252 | else if (ch == '\r') { | |
1253 | *d++ = '\\'; | |
1254 | *d++ = 'r'; | |
1255 | } | |
1256 | else if (ch == '\f') { | |
1257 | *d++ = '\\'; | |
1258 | *d++ = 'f'; | |
1259 | } | |
1260 | else if (ch == '\\') { | |
1261 | *d++ = '\\'; | |
1262 | *d++ = '\\'; | |
1263 | } | |
1264 | else if (isPRINT_LC(ch)) | |
a0d0e21e LW |
1265 | *d++ = ch; |
1266 | else { | |
1267 | *d++ = '^'; | |
bbce6d69 | 1268 | *d++ = toCTRL(ch); |
a0d0e21e LW |
1269 | } |
1270 | } | |
1271 | if (*s) { | |
1272 | *d++ = '.'; | |
1273 | *d++ = '.'; | |
1274 | *d++ = '.'; | |
1275 | } | |
1276 | *d = '\0'; | |
1277 | ||
1278 | if (op) | |
c07a80fd | 1279 | warn("Argument \"%s\" isn't numeric in %s", tmpbuf, |
a0d0e21e LW |
1280 | op_name[op->op_type]); |
1281 | else | |
1282 | warn("Argument \"%s\" isn't numeric", tmpbuf); | |
1283 | } | |
1284 | ||
1285 | IV | |
8ac85365 | 1286 | sv_2iv(register SV *sv) |
79072805 LW |
1287 | { |
1288 | if (!sv) | |
1289 | return 0; | |
8990e307 | 1290 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1291 | mg_get(sv); |
1292 | if (SvIOKp(sv)) | |
1293 | return SvIVX(sv); | |
748a9306 LW |
1294 | if (SvNOKp(sv)) { |
1295 | if (SvNVX(sv) < 0.0) | |
1296 | return I_V(SvNVX(sv)); | |
1297 | else | |
5d94fbed | 1298 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1299 | } |
36477c24 | 1300 | if (SvPOKp(sv) && SvLEN(sv)) |
1301 | return asIV(sv); | |
3fe9a6f1 | 1302 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1303 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1304 | dTHR; | |
1305 | if (!localizing) | |
1306 | warn(warn_uninit); | |
1307 | } | |
36477c24 | 1308 | return 0; |
3fe9a6f1 | 1309 | } |
463ee0b2 | 1310 | } |
ed6116ce | 1311 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1312 | if (SvROK(sv)) { |
1313 | #ifdef OVERLOAD | |
1314 | SV* tmpstr; | |
1315 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1316 | return SvIV(tmpstr); | |
1317 | #endif /* OVERLOAD */ | |
1318 | return (IV)SvRV(sv); | |
1319 | } | |
ed6116ce | 1320 | if (SvREADONLY(sv)) { |
748a9306 LW |
1321 | if (SvNOKp(sv)) { |
1322 | if (SvNVX(sv) < 0.0) | |
1323 | return I_V(SvNVX(sv)); | |
1324 | else | |
5d94fbed | 1325 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1326 | } |
36477c24 | 1327 | if (SvPOKp(sv) && SvLEN(sv)) |
1328 | return asIV(sv); | |
ed6116ce | 1329 | if (dowarn) |
8990e307 | 1330 | warn(warn_uninit); |
ed6116ce LW |
1331 | return 0; |
1332 | } | |
79072805 | 1333 | } |
463ee0b2 | 1334 | switch (SvTYPE(sv)) { |
463ee0b2 | 1335 | case SVt_NULL: |
79072805 | 1336 | sv_upgrade(sv, SVt_IV); |
8ebc5c01 | 1337 | break; |
463ee0b2 | 1338 | case SVt_PV: |
79072805 | 1339 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 LW |
1340 | break; |
1341 | case SVt_NV: | |
1342 | sv_upgrade(sv, SVt_PVNV); | |
1343 | break; | |
1344 | } | |
748a9306 | 1345 | if (SvNOKp(sv)) { |
a5f75d66 | 1346 | (void)SvIOK_on(sv); |
748a9306 LW |
1347 | if (SvNVX(sv) < 0.0) |
1348 | SvIVX(sv) = I_V(SvNVX(sv)); | |
1349 | else | |
ff68c719 | 1350 | SvUVX(sv) = U_V(SvNVX(sv)); |
748a9306 LW |
1351 | } |
1352 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
a5f75d66 | 1353 | (void)SvIOK_on(sv); |
36477c24 | 1354 | SvIVX(sv) = asIV(sv); |
93a17b20 | 1355 | } |
79072805 | 1356 | else { |
11343788 | 1357 | dTHR; |
91bba347 | 1358 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1359 | warn(warn_uninit); |
a0d0e21e | 1360 | return 0; |
79072805 | 1361 | } |
760ac839 | 1362 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n", |
a0d0e21e | 1363 | (unsigned long)sv,(long)SvIVX(sv))); |
463ee0b2 | 1364 | return SvIVX(sv); |
79072805 LW |
1365 | } |
1366 | ||
ff68c719 | 1367 | UV |
8ac85365 | 1368 | sv_2uv(register SV *sv) |
ff68c719 | 1369 | { |
1370 | if (!sv) | |
1371 | return 0; | |
1372 | if (SvGMAGICAL(sv)) { | |
1373 | mg_get(sv); | |
1374 | if (SvIOKp(sv)) | |
1375 | return SvUVX(sv); | |
1376 | if (SvNOKp(sv)) | |
1377 | return U_V(SvNVX(sv)); | |
36477c24 | 1378 | if (SvPOKp(sv) && SvLEN(sv)) |
1379 | return asUV(sv); | |
3fe9a6f1 | 1380 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1381 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1382 | dTHR; | |
1383 | if (!localizing) | |
1384 | warn(warn_uninit); | |
1385 | } | |
36477c24 | 1386 | return 0; |
3fe9a6f1 | 1387 | } |
ff68c719 | 1388 | } |
1389 | if (SvTHINKFIRST(sv)) { | |
1390 | if (SvROK(sv)) { | |
1391 | #ifdef OVERLOAD | |
1392 | SV* tmpstr; | |
1393 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1394 | return SvUV(tmpstr); | |
1395 | #endif /* OVERLOAD */ | |
1396 | return (UV)SvRV(sv); | |
1397 | } | |
1398 | if (SvREADONLY(sv)) { | |
1399 | if (SvNOKp(sv)) { | |
1400 | return U_V(SvNVX(sv)); | |
1401 | } | |
36477c24 | 1402 | if (SvPOKp(sv) && SvLEN(sv)) |
1403 | return asUV(sv); | |
ff68c719 | 1404 | if (dowarn) |
1405 | warn(warn_uninit); | |
1406 | return 0; | |
1407 | } | |
1408 | } | |
1409 | switch (SvTYPE(sv)) { | |
1410 | case SVt_NULL: | |
1411 | sv_upgrade(sv, SVt_IV); | |
8ebc5c01 | 1412 | break; |
ff68c719 | 1413 | case SVt_PV: |
1414 | sv_upgrade(sv, SVt_PVIV); | |
1415 | break; | |
1416 | case SVt_NV: | |
1417 | sv_upgrade(sv, SVt_PVNV); | |
1418 | break; | |
1419 | } | |
1420 | if (SvNOKp(sv)) { | |
1421 | (void)SvIOK_on(sv); | |
1422 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1423 | } | |
1424 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
ff68c719 | 1425 | (void)SvIOK_on(sv); |
36477c24 | 1426 | SvUVX(sv) = asUV(sv); |
ff68c719 | 1427 | } |
1428 | else { | |
c6ee37c5 MB |
1429 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1430 | dTHR; | |
1431 | if (!localizing) | |
1432 | warn(warn_uninit); | |
1433 | } | |
ff68c719 | 1434 | return 0; |
1435 | } | |
1436 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n", | |
1437 | (unsigned long)sv,SvUVX(sv))); | |
1438 | return SvUVX(sv); | |
1439 | } | |
1440 | ||
79072805 | 1441 | double |
8ac85365 | 1442 | sv_2nv(register SV *sv) |
79072805 LW |
1443 | { |
1444 | if (!sv) | |
1445 | return 0.0; | |
8990e307 | 1446 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1447 | mg_get(sv); |
1448 | if (SvNOKp(sv)) | |
1449 | return SvNVX(sv); | |
a0d0e21e | 1450 | if (SvPOKp(sv) && SvLEN(sv)) { |
748a9306 | 1451 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1452 | not_a_number(sv); |
36477c24 | 1453 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1454 | return atof(SvPVX(sv)); |
a0d0e21e | 1455 | } |
463ee0b2 LW |
1456 | if (SvIOKp(sv)) |
1457 | return (double)SvIVX(sv); | |
16d20bd9 | 1458 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1459 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1460 | dTHR; | |
1461 | if (!localizing) | |
1462 | warn(warn_uninit); | |
1463 | } | |
16d20bd9 AD |
1464 | return 0; |
1465 | } | |
463ee0b2 | 1466 | } |
ed6116ce | 1467 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1468 | if (SvROK(sv)) { |
1469 | #ifdef OVERLOAD | |
1470 | SV* tmpstr; | |
1471 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) | |
1472 | return SvNV(tmpstr); | |
1473 | #endif /* OVERLOAD */ | |
1474 | return (double)(unsigned long)SvRV(sv); | |
1475 | } | |
ed6116ce | 1476 | if (SvREADONLY(sv)) { |
748a9306 LW |
1477 | if (SvPOKp(sv) && SvLEN(sv)) { |
1478 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1479 | not_a_number(sv); |
36477c24 | 1480 | SET_NUMERIC_STANDARD(); |
ed6116ce | 1481 | return atof(SvPVX(sv)); |
a0d0e21e | 1482 | } |
748a9306 | 1483 | if (SvIOKp(sv)) |
8990e307 | 1484 | return (double)SvIVX(sv); |
ed6116ce | 1485 | if (dowarn) |
8990e307 | 1486 | warn(warn_uninit); |
ed6116ce LW |
1487 | return 0.0; |
1488 | } | |
79072805 LW |
1489 | } |
1490 | if (SvTYPE(sv) < SVt_NV) { | |
463ee0b2 LW |
1491 | if (SvTYPE(sv) == SVt_IV) |
1492 | sv_upgrade(sv, SVt_PVNV); | |
1493 | else | |
1494 | sv_upgrade(sv, SVt_NV); | |
36477c24 | 1495 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1496 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1497 | "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
79072805 LW |
1498 | } |
1499 | else if (SvTYPE(sv) < SVt_PVNV) | |
1500 | sv_upgrade(sv, SVt_PVNV); | |
748a9306 LW |
1501 | if (SvIOKp(sv) && |
1502 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) | |
93a17b20 | 1503 | { |
463ee0b2 | 1504 | SvNVX(sv) = (double)SvIVX(sv); |
93a17b20 | 1505 | } |
748a9306 LW |
1506 | else if (SvPOKp(sv) && SvLEN(sv)) { |
1507 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1508 | not_a_number(sv); |
36477c24 | 1509 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1510 | SvNVX(sv) = atof(SvPVX(sv)); |
93a17b20 | 1511 | } |
79072805 | 1512 | else { |
11343788 | 1513 | dTHR; |
91bba347 | 1514 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1515 | warn(warn_uninit); |
a0d0e21e | 1516 | return 0.0; |
79072805 LW |
1517 | } |
1518 | SvNOK_on(sv); | |
36477c24 | 1519 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1520 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1521 | "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
463ee0b2 | 1522 | return SvNVX(sv); |
79072805 LW |
1523 | } |
1524 | ||
36477c24 | 1525 | static IV |
8ac85365 | 1526 | asIV(SV *sv) |
36477c24 | 1527 | { |
1528 | I32 numtype = looks_like_number(sv); | |
1529 | double d; | |
1530 | ||
1531 | if (numtype == 1) | |
1532 | return atol(SvPVX(sv)); | |
1533 | if (!numtype && dowarn) | |
1534 | not_a_number(sv); | |
1535 | SET_NUMERIC_STANDARD(); | |
1536 | d = atof(SvPVX(sv)); | |
1537 | if (d < 0.0) | |
1538 | return I_V(d); | |
1539 | else | |
1540 | return (IV) U_V(d); | |
1541 | } | |
1542 | ||
1543 | static UV | |
8ac85365 | 1544 | asUV(SV *sv) |
36477c24 | 1545 | { |
1546 | I32 numtype = looks_like_number(sv); | |
1547 | ||
84902520 | 1548 | #ifdef HAS_STRTOUL |
36477c24 | 1549 | if (numtype == 1) |
84902520 TB |
1550 | return strtoul(SvPVX(sv), Null(char**), 10); |
1551 | #endif | |
36477c24 | 1552 | if (!numtype && dowarn) |
1553 | not_a_number(sv); | |
1554 | SET_NUMERIC_STANDARD(); | |
1555 | return U_V(atof(SvPVX(sv))); | |
1556 | } | |
1557 | ||
1558 | I32 | |
8ac85365 | 1559 | looks_like_number(SV *sv) |
36477c24 | 1560 | { |
1561 | register char *s; | |
1562 | register char *send; | |
1563 | register char *sbegin; | |
ff0cee69 | 1564 | I32 numtype; |
36477c24 | 1565 | STRLEN len; |
1566 | ||
1567 | if (SvPOK(sv)) { | |
1568 | sbegin = SvPVX(sv); | |
1569 | len = SvCUR(sv); | |
1570 | } | |
1571 | else if (SvPOKp(sv)) | |
1572 | sbegin = SvPV(sv, len); | |
1573 | else | |
1574 | return 1; | |
1575 | send = sbegin + len; | |
1576 | ||
1577 | s = sbegin; | |
1578 | while (isSPACE(*s)) | |
1579 | s++; | |
36477c24 | 1580 | if (*s == '+' || *s == '-') |
1581 | s++; | |
ff0cee69 | 1582 | |
1583 | /* next must be digit or '.' */ | |
1584 | if (isDIGIT(*s)) { | |
1585 | do { | |
1586 | s++; | |
1587 | } while (isDIGIT(*s)); | |
1588 | if (*s == '.') { | |
1589 | s++; | |
1590 | while (isDIGIT(*s)) /* optional digits after "." */ | |
1591 | s++; | |
1592 | } | |
36477c24 | 1593 | } |
ff0cee69 | 1594 | else if (*s == '.') { |
1595 | s++; | |
1596 | /* no digits before '.' means we need digits after it */ | |
1597 | if (isDIGIT(*s)) { | |
1598 | do { | |
1599 | s++; | |
1600 | } while (isDIGIT(*s)); | |
1601 | } | |
1602 | else | |
1603 | return 0; | |
1604 | } | |
1605 | else | |
1606 | return 0; | |
1607 | ||
1608 | /* | |
1609 | * we return 1 if the number can be converted to _integer_ with atol() | |
1610 | * and 2 if you need (int)atof(). | |
1611 | */ | |
1612 | numtype = 1; | |
1613 | ||
1614 | /* we can have an optional exponent part */ | |
36477c24 | 1615 | if (*s == 'e' || *s == 'E') { |
1616 | numtype = 2; | |
1617 | s++; | |
1618 | if (*s == '+' || *s == '-') | |
1619 | s++; | |
ff0cee69 | 1620 | if (isDIGIT(*s)) { |
1621 | do { | |
1622 | s++; | |
1623 | } while (isDIGIT(*s)); | |
1624 | } | |
1625 | else | |
1626 | return 0; | |
36477c24 | 1627 | } |
1628 | while (isSPACE(*s)) | |
1629 | s++; | |
1630 | if (s >= send) | |
1631 | return numtype; | |
1632 | if (len == 10 && memEQ(sbegin, "0 but true", 10)) | |
1633 | return 1; | |
1634 | return 0; | |
1635 | } | |
1636 | ||
79072805 | 1637 | char * |
8ac85365 | 1638 | sv_2pv(register SV *sv, STRLEN *lp) |
79072805 LW |
1639 | { |
1640 | register char *s; | |
1641 | int olderrno; | |
46fc3d4c | 1642 | SV *tsv; |
96827780 | 1643 | char tmpbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */ |
79072805 | 1644 | |
463ee0b2 LW |
1645 | if (!sv) { |
1646 | *lp = 0; | |
1647 | return ""; | |
1648 | } | |
8990e307 | 1649 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1650 | mg_get(sv); |
1651 | if (SvPOKp(sv)) { | |
1652 | *lp = SvCUR(sv); | |
1653 | return SvPVX(sv); | |
1654 | } | |
1655 | if (SvIOKp(sv)) { | |
96827780 | 1656 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1657 | tsv = Nullsv; |
a0d0e21e | 1658 | goto tokensave; |
463ee0b2 LW |
1659 | } |
1660 | if (SvNOKp(sv)) { | |
36477c24 | 1661 | SET_NUMERIC_STANDARD(); |
96827780 | 1662 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1663 | tsv = Nullsv; |
a0d0e21e | 1664 | goto tokensave; |
463ee0b2 | 1665 | } |
16d20bd9 | 1666 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1667 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1668 | dTHR; | |
1669 | if (!localizing) | |
1670 | warn(warn_uninit); | |
1671 | } | |
16d20bd9 AD |
1672 | *lp = 0; |
1673 | return ""; | |
1674 | } | |
463ee0b2 | 1675 | } |
ed6116ce LW |
1676 | if (SvTHINKFIRST(sv)) { |
1677 | if (SvROK(sv)) { | |
a0d0e21e LW |
1678 | #ifdef OVERLOAD |
1679 | SV* tmpstr; | |
1680 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) | |
1681 | return SvPV(tmpstr,*lp); | |
1682 | #endif /* OVERLOAD */ | |
ed6116ce LW |
1683 | sv = (SV*)SvRV(sv); |
1684 | if (!sv) | |
1685 | s = "NULLREF"; | |
1686 | else { | |
1687 | switch (SvTYPE(sv)) { | |
1688 | case SVt_NULL: | |
1689 | case SVt_IV: | |
1690 | case SVt_NV: | |
1691 | case SVt_RV: | |
1692 | case SVt_PV: | |
1693 | case SVt_PVIV: | |
1694 | case SVt_PVNV: | |
1695 | case SVt_PVBM: | |
1696 | case SVt_PVMG: s = "SCALAR"; break; | |
1697 | case SVt_PVLV: s = "LVALUE"; break; | |
1698 | case SVt_PVAV: s = "ARRAY"; break; | |
1699 | case SVt_PVHV: s = "HASH"; break; | |
1700 | case SVt_PVCV: s = "CODE"; break; | |
1701 | case SVt_PVGV: s = "GLOB"; break; | |
cdaebead | 1702 | case SVt_PVFM: s = "FORMLINE"; break; |
36477c24 | 1703 | case SVt_PVIO: s = "IO"; break; |
ed6116ce LW |
1704 | default: s = "UNKNOWN"; break; |
1705 | } | |
46fc3d4c | 1706 | tsv = NEWSV(0,0); |
ed6116ce | 1707 | if (SvOBJECT(sv)) |
46fc3d4c | 1708 | sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); |
ed6116ce | 1709 | else |
46fc3d4c | 1710 | sv_setpv(tsv, s); |
1711 | sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv); | |
a0d0e21e | 1712 | goto tokensaveref; |
463ee0b2 | 1713 | } |
ed6116ce LW |
1714 | *lp = strlen(s); |
1715 | return s; | |
79072805 | 1716 | } |
ed6116ce | 1717 | if (SvREADONLY(sv)) { |
748a9306 | 1718 | if (SvNOKp(sv)) { |
36477c24 | 1719 | SET_NUMERIC_STANDARD(); |
96827780 | 1720 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1721 | tsv = Nullsv; |
a0d0e21e | 1722 | goto tokensave; |
ed6116ce | 1723 | } |
8bb9dbe4 | 1724 | if (SvIOKp(sv)) { |
96827780 | 1725 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1726 | tsv = Nullsv; |
8bb9dbe4 LW |
1727 | goto tokensave; |
1728 | } | |
ed6116ce | 1729 | if (dowarn) |
8990e307 | 1730 | warn(warn_uninit); |
ed6116ce LW |
1731 | *lp = 0; |
1732 | return ""; | |
79072805 | 1733 | } |
79072805 | 1734 | } |
c6f8c383 | 1735 | (void)SvUPGRADE(sv, SVt_PV); |
748a9306 | 1736 | if (SvNOKp(sv)) { |
79072805 LW |
1737 | if (SvTYPE(sv) < SVt_PVNV) |
1738 | sv_upgrade(sv, SVt_PVNV); | |
1739 | SvGROW(sv, 28); | |
463ee0b2 | 1740 | s = SvPVX(sv); |
79072805 | 1741 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 | 1742 | #ifdef apollo |
463ee0b2 | 1743 | if (SvNVX(sv) == 0.0) |
79072805 LW |
1744 | (void)strcpy(s,"0"); |
1745 | else | |
1746 | #endif /*apollo*/ | |
bbce6d69 | 1747 | { |
36477c24 | 1748 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1749 | Gconvert(SvNVX(sv), DBL_DIG, 0, s); |
bbce6d69 | 1750 | } |
79072805 | 1751 | errno = olderrno; |
a0d0e21e LW |
1752 | #ifdef FIXNEGATIVEZERO |
1753 | if (*s == '-' && s[1] == '0' && !s[2]) | |
1754 | strcpy(s,"0"); | |
1755 | #endif | |
79072805 LW |
1756 | while (*s) s++; |
1757 | #ifdef hcx | |
1758 | if (s[-1] == '.') | |
46fc3d4c | 1759 | *--s = '\0'; |
79072805 LW |
1760 | #endif |
1761 | } | |
748a9306 | 1762 | else if (SvIOKp(sv)) { |
64f14228 | 1763 | U32 oldIOK = SvIOK(sv); |
79072805 LW |
1764 | if (SvTYPE(sv) < SVt_PVIV) |
1765 | sv_upgrade(sv, SVt_PVIV); | |
79072805 | 1766 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
84902520 | 1767 | sv_setpviv(sv, SvIVX(sv)); |
79072805 | 1768 | errno = olderrno; |
46fc3d4c | 1769 | s = SvEND(sv); |
64f14228 GA |
1770 | if (oldIOK) |
1771 | SvIOK_on(sv); | |
1772 | else | |
1773 | SvIOKp_on(sv); | |
79072805 LW |
1774 | } |
1775 | else { | |
11343788 | 1776 | dTHR; |
91bba347 | 1777 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1778 | warn(warn_uninit); |
a0d0e21e LW |
1779 | *lp = 0; |
1780 | return ""; | |
79072805 | 1781 | } |
463ee0b2 LW |
1782 | *lp = s - SvPVX(sv); |
1783 | SvCUR_set(sv, *lp); | |
79072805 | 1784 | SvPOK_on(sv); |
760ac839 | 1785 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); |
463ee0b2 | 1786 | return SvPVX(sv); |
a0d0e21e LW |
1787 | |
1788 | tokensave: | |
1789 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ | |
1790 | /* Sneaky stuff here */ | |
1791 | ||
1792 | tokensaveref: | |
46fc3d4c | 1793 | if (!tsv) |
96827780 | 1794 | tsv = newSVpv(tmpbuf, 0); |
46fc3d4c | 1795 | sv_2mortal(tsv); |
1796 | *lp = SvCUR(tsv); | |
1797 | return SvPVX(tsv); | |
a0d0e21e LW |
1798 | } |
1799 | else { | |
1800 | STRLEN len; | |
46fc3d4c | 1801 | char *t; |
1802 | ||
1803 | if (tsv) { | |
1804 | sv_2mortal(tsv); | |
1805 | t = SvPVX(tsv); | |
1806 | len = SvCUR(tsv); | |
1807 | } | |
1808 | else { | |
96827780 MB |
1809 | t = tmpbuf; |
1810 | len = strlen(tmpbuf); | |
46fc3d4c | 1811 | } |
a0d0e21e | 1812 | #ifdef FIXNEGATIVEZERO |
46fc3d4c | 1813 | if (len == 2 && t[0] == '-' && t[1] == '0') { |
1814 | t = "0"; | |
1815 | len = 1; | |
1816 | } | |
a0d0e21e LW |
1817 | #endif |
1818 | (void)SvUPGRADE(sv, SVt_PV); | |
46fc3d4c | 1819 | *lp = len; |
a0d0e21e LW |
1820 | s = SvGROW(sv, len + 1); |
1821 | SvCUR_set(sv, len); | |
46fc3d4c | 1822 | (void)strcpy(s, t); |
6bf554b4 | 1823 | SvPOKp_on(sv); |
a0d0e21e LW |
1824 | return s; |
1825 | } | |
463ee0b2 LW |
1826 | } |
1827 | ||
1828 | /* This function is only called on magical items */ | |
1829 | bool | |
8ac85365 | 1830 | sv_2bool(register SV *sv) |
463ee0b2 | 1831 | { |
8990e307 | 1832 | if (SvGMAGICAL(sv)) |
463ee0b2 LW |
1833 | mg_get(sv); |
1834 | ||
a0d0e21e LW |
1835 | if (!SvOK(sv)) |
1836 | return 0; | |
1837 | if (SvROK(sv)) { | |
1838 | #ifdef OVERLOAD | |
1839 | { | |
11343788 | 1840 | dTHR; |
a0d0e21e LW |
1841 | SV* tmpsv; |
1842 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) | |
1843 | return SvTRUE(tmpsv); | |
1844 | } | |
1845 | #endif /* OVERLOAD */ | |
1846 | return SvRV(sv) != 0; | |
1847 | } | |
463ee0b2 | 1848 | if (SvPOKp(sv)) { |
11343788 MB |
1849 | register XPV* Xpvtmp; |
1850 | if ((Xpvtmp = (XPV*)SvANY(sv)) && | |
1851 | (*Xpvtmp->xpv_pv > '0' || | |
1852 | Xpvtmp->xpv_cur > 1 || | |
1853 | (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0'))) | |
463ee0b2 LW |
1854 | return 1; |
1855 | else | |
1856 | return 0; | |
1857 | } | |
1858 | else { | |
1859 | if (SvIOKp(sv)) | |
1860 | return SvIVX(sv) != 0; | |
1861 | else { | |
1862 | if (SvNOKp(sv)) | |
1863 | return SvNVX(sv) != 0.0; | |
1864 | else | |
1865 | return FALSE; | |
1866 | } | |
1867 | } | |
79072805 LW |
1868 | } |
1869 | ||
1870 | /* Note: sv_setsv() should not be called with a source string that needs | |
463ee0b2 | 1871 | * to be reused, since it may destroy the source string if it is marked |
79072805 LW |
1872 | * as temporary. |
1873 | */ | |
1874 | ||
1875 | void | |
8ac85365 | 1876 | sv_setsv(SV *dstr, register SV *sstr) |
79072805 | 1877 | { |
11343788 | 1878 | dTHR; |
8990e307 LW |
1879 | register U32 sflags; |
1880 | register int dtype; | |
1881 | register int stype; | |
463ee0b2 | 1882 | |
79072805 LW |
1883 | if (sstr == dstr) |
1884 | return; | |
2213622d | 1885 | SV_CHECK_THINKFIRST(dstr); |
79072805 LW |
1886 | if (!sstr) |
1887 | sstr = &sv_undef; | |
8990e307 LW |
1888 | stype = SvTYPE(sstr); |
1889 | dtype = SvTYPE(dstr); | |
79072805 | 1890 | |
8e07c86e AD |
1891 | if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) { |
1892 | sv_unglob(dstr); /* so fake GLOB won't perpetuate */ | |
4633a7c4 LW |
1893 | sv_setpvn(dstr, "", 0); |
1894 | (void)SvPOK_only(dstr); | |
8e07c86e AD |
1895 | dtype = SvTYPE(dstr); |
1896 | } | |
1897 | ||
a0d0e21e LW |
1898 | #ifdef OVERLOAD |
1899 | SvAMAGIC_off(dstr); | |
1900 | #endif /* OVERLOAD */ | |
463ee0b2 | 1901 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 | 1902 | |
8990e307 | 1903 | switch (stype) { |
79072805 | 1904 | case SVt_NULL: |
a0d0e21e | 1905 | (void)SvOK_off(dstr); |
79072805 | 1906 | return; |
463ee0b2 | 1907 | case SVt_IV: |
ff68c719 | 1908 | if (dtype != SVt_IV && dtype < SVt_PVIV) { |
8990e307 LW |
1909 | if (dtype < SVt_IV) |
1910 | sv_upgrade(dstr, SVt_IV); | |
8990e307 LW |
1911 | else if (dtype == SVt_NV) |
1912 | sv_upgrade(dstr, SVt_PVNV); | |
ff68c719 | 1913 | else |
a0d0e21e | 1914 | sv_upgrade(dstr, SVt_PVIV); |
8990e307 | 1915 | } |
463ee0b2 LW |
1916 | break; |
1917 | case SVt_NV: | |
ff68c719 | 1918 | if (dtype != SVt_NV && dtype < SVt_PVNV) { |
8990e307 LW |
1919 | if (dtype < SVt_NV) |
1920 | sv_upgrade(dstr, SVt_NV); | |
ff68c719 | 1921 | else |
a0d0e21e | 1922 | sv_upgrade(dstr, SVt_PVNV); |
8990e307 | 1923 | } |
463ee0b2 | 1924 | break; |
ed6116ce | 1925 | case SVt_RV: |
8990e307 | 1926 | if (dtype < SVt_RV) |
ed6116ce | 1927 | sv_upgrade(dstr, SVt_RV); |
c07a80fd | 1928 | else if (dtype == SVt_PVGV && |
1929 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { | |
1930 | sstr = SvRV(sstr); | |
a5f75d66 AD |
1931 | if (sstr == dstr) { |
1932 | if (curcop->cop_stash != GvSTASH(dstr)) | |
1933 | GvIMPORTED_on(dstr); | |
1934 | GvMULTI_on(dstr); | |
1935 | return; | |
1936 | } | |
c07a80fd | 1937 | goto glob_assign; |
1938 | } | |
ed6116ce | 1939 | break; |
463ee0b2 | 1940 | case SVt_PV: |
fc36a67e | 1941 | case SVt_PVFM: |
8990e307 | 1942 | if (dtype < SVt_PV) |
463ee0b2 | 1943 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 LW |
1944 | break; |
1945 | case SVt_PVIV: | |
8990e307 | 1946 | if (dtype < SVt_PVIV) |
463ee0b2 | 1947 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 LW |
1948 | break; |
1949 | case SVt_PVNV: | |
8990e307 | 1950 | if (dtype < SVt_PVNV) |
463ee0b2 | 1951 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 | 1952 | break; |
4633a7c4 LW |
1953 | case SVt_PVAV: |
1954 | case SVt_PVHV: | |
1955 | case SVt_PVCV: | |
4633a7c4 LW |
1956 | case SVt_PVIO: |
1957 | if (op) | |
1958 | croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0), | |
1959 | op_name[op->op_type]); | |
1960 | else | |
1961 | croak("Bizarre copy of %s", sv_reftype(sstr, 0)); | |
1962 | break; | |
1963 | ||
79072805 | 1964 | case SVt_PVGV: |
8990e307 | 1965 | if (dtype <= SVt_PVGV) { |
c07a80fd | 1966 | glob_assign: |
a5f75d66 | 1967 | if (dtype != SVt_PVGV) { |
a0d0e21e LW |
1968 | char *name = GvNAME(sstr); |
1969 | STRLEN len = GvNAMELEN(sstr); | |
463ee0b2 | 1970 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e | 1971 | sv_magic(dstr, dstr, '*', name, len); |
85aff577 | 1972 | GvSTASH(dstr) = (HV*)SvREFCNT_inc(GvSTASH(sstr)); |
a0d0e21e LW |
1973 | GvNAME(dstr) = savepvn(name, len); |
1974 | GvNAMELEN(dstr) = len; | |
1975 | SvFAKE_on(dstr); /* can coerce to non-glob */ | |
1976 | } | |
7bac28a0 | 1977 | /* ahem, death to those who redefine active sort subs */ |
e336de0d | 1978 | else if (curstackinfo->si_type == SI_SORT |
7bac28a0 | 1979 | && GvCV(dstr) && sortcop == CvSTART(GvCV(dstr))) |
1980 | croak("Can't redefine active sort subroutine %s", | |
1981 | GvNAME(dstr)); | |
a0d0e21e | 1982 | (void)SvOK_off(dstr); |
a5f75d66 | 1983 | GvINTRO_off(dstr); /* one-shot flag */ |
1edc1566 | 1984 | gp_free((GV*)dstr); |
79072805 | 1985 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 | 1986 | SvTAINT(dstr); |
a5f75d66 AD |
1987 | if (curcop->cop_stash != GvSTASH(dstr)) |
1988 | GvIMPORTED_on(dstr); | |
1989 | GvMULTI_on(dstr); | |
79072805 LW |
1990 | return; |
1991 | } | |
1992 | /* FALL THROUGH */ | |
1993 | ||
1994 | default: | |
973f89ab CS |
1995 | if (SvGMAGICAL(sstr)) { |
1996 | mg_get(sstr); | |
1997 | if (SvTYPE(sstr) != stype) { | |
1998 | stype = SvTYPE(sstr); | |
1999 | if (stype == SVt_PVGV && dtype <= SVt_PVGV) | |
2000 | goto glob_assign; | |
2001 | } | |
2002 | } | |
ded42b9f CS |
2003 | if (stype == SVt_PVLV) |
2004 | SvUPGRADE(dstr, SVt_PVNV); | |
2005 | else | |
2006 | SvUPGRADE(dstr, stype); | |
79072805 LW |
2007 | } |
2008 | ||
8990e307 LW |
2009 | sflags = SvFLAGS(sstr); |
2010 | ||
2011 | if (sflags & SVf_ROK) { | |
2012 | if (dtype >= SVt_PV) { | |
2013 | if (dtype == SVt_PVGV) { | |
11343788 | 2014 | dTHR; |
8990e307 LW |
2015 | SV *sref = SvREFCNT_inc(SvRV(sstr)); |
2016 | SV *dref = 0; | |
a5f75d66 | 2017 | int intro = GvINTRO(dstr); |
a0d0e21e LW |
2018 | |
2019 | if (intro) { | |
2020 | GP *gp; | |
2021 | GvGP(dstr)->gp_refcnt--; | |
a5f75d66 | 2022 | GvINTRO_off(dstr); /* one-shot flag */ |
a0d0e21e | 2023 | Newz(602,gp, 1, GP); |
44a8e56a | 2024 | GvGP(dstr) = gp_ref(gp); |
a0d0e21e LW |
2025 | GvSV(dstr) = NEWSV(72,0); |
2026 | GvLINE(dstr) = curcop->cop_line; | |
1edc1566 | 2027 | GvEGV(dstr) = (GV*)dstr; |
a0d0e21e | 2028 | } |
a5f75d66 | 2029 | GvMULTI_on(dstr); |
8990e307 LW |
2030 | switch (SvTYPE(sref)) { |
2031 | case SVt_PVAV: | |
a0d0e21e LW |
2032 | if (intro) |
2033 | SAVESPTR(GvAV(dstr)); | |
2034 | else | |
2035 | dref = (SV*)GvAV(dstr); | |
8990e307 | 2036 | GvAV(dstr) = (AV*)sref; |
a5f75d66 AD |
2037 | if (curcop->cop_stash != GvSTASH(dstr)) |
2038 | GvIMPORTED_AV_on(dstr); | |
8990e307 LW |
2039 | break; |
2040 | case SVt_PVHV: | |
a0d0e21e LW |
2041 | if (intro) |
2042 | SAVESPTR(GvHV(dstr)); | |
2043 | else | |
2044 | dref = (SV*)GvHV(dstr); | |
8990e307 | 2045 | GvHV(dstr) = (HV*)sref; |
a5f75d66 AD |
2046 | if (curcop->cop_stash != GvSTASH(dstr)) |
2047 | GvIMPORTED_HV_on(dstr); | |
8990e307 LW |
2048 | break; |
2049 | case SVt_PVCV: | |
8ebc5c01 | 2050 | if (intro) { |
2051 | if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { | |
2052 | SvREFCNT_dec(GvCV(dstr)); | |
2053 | GvCV(dstr) = Nullcv; | |
68dc0745 | 2054 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
2055 | sub_generation++; | |
8ebc5c01 | 2056 | } |
a0d0e21e | 2057 | SAVESPTR(GvCV(dstr)); |
8ebc5c01 | 2058 | } |
68dc0745 | 2059 | else |
2060 | dref = (SV*)GvCV(dstr); | |
2061 | if (GvCV(dstr) != (CV*)sref) { | |
748a9306 | 2062 | CV* cv = GvCV(dstr); |
4633a7c4 | 2063 | if (cv) { |
68dc0745 | 2064 | if (!GvCVGEN((GV*)dstr) && |
2065 | (CvROOT(cv) || CvXSUB(cv))) | |
2066 | { | |
7bac28a0 | 2067 | /* ahem, death to those who redefine |
2068 | * active sort subs */ | |
e336de0d | 2069 | if (curstackinfo->si_type == SI_SORT && |
7bac28a0 | 2070 | sortcop == CvSTART(cv)) |
2071 | croak( | |
2072 | "Can't redefine active sort subroutine %s", | |
2073 | GvENAME((GV*)dstr)); | |
9607fc9c | 2074 | if (cv_const_sv(cv)) |
2075 | warn("Constant subroutine %s redefined", | |
2076 | GvENAME((GV*)dstr)); | |
2f34f9d4 IZ |
2077 | else if (dowarn) { |
2078 | if (!(CvGV(cv) && GvSTASH(CvGV(cv)) | |
2079 | && HvNAME(GvSTASH(CvGV(cv))) | |
2080 | && strEQ(HvNAME(GvSTASH(CvGV(cv))), | |
2081 | "autouse"))) | |
2082 | warn("Subroutine %s redefined", | |
2083 | GvENAME((GV*)dstr)); | |
2084 | } | |
9607fc9c | 2085 | } |
3fe9a6f1 | 2086 | cv_ckproto(cv, (GV*)dstr, |
2087 | SvPOK(sref) ? SvPVX(sref) : Nullch); | |
4633a7c4 | 2088 | } |
a5f75d66 | 2089 | GvCV(dstr) = (CV*)sref; |
7a4c00b4 | 2090 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
a5f75d66 | 2091 | GvASSUMECV_on(dstr); |
8ebc5c01 | 2092 | sub_generation++; |
a5f75d66 AD |
2093 | } |
2094 | if (curcop->cop_stash != GvSTASH(dstr)) | |
2095 | GvIMPORTED_CV_on(dstr); | |
8990e307 | 2096 | break; |
91bba347 LW |
2097 | case SVt_PVIO: |
2098 | if (intro) | |
2099 | SAVESPTR(GvIOp(dstr)); | |
2100 | else | |
2101 | dref = (SV*)GvIOp(dstr); | |
2102 | GvIOp(dstr) = (IO*)sref; | |
2103 | break; | |
8990e307 | 2104 | default: |
a0d0e21e LW |
2105 | if (intro) |
2106 | SAVESPTR(GvSV(dstr)); | |
2107 | else | |
2108 | dref = (SV*)GvSV(dstr); | |
8990e307 | 2109 | GvSV(dstr) = sref; |
a5f75d66 AD |
2110 | if (curcop->cop_stash != GvSTASH(dstr)) |
2111 | GvIMPORTED_SV_on(dstr); | |
8990e307 LW |
2112 | break; |
2113 | } | |
2114 | if (dref) | |
2115 | SvREFCNT_dec(dref); | |
a0d0e21e LW |
2116 | if (intro) |
2117 | SAVEFREESV(sref); | |
8990e307 LW |
2118 | SvTAINT(dstr); |
2119 | return; | |
2120 | } | |
a0d0e21e | 2121 | if (SvPVX(dstr)) { |
760ac839 | 2122 | (void)SvOOK_off(dstr); /* backoff */ |
8990e307 | 2123 | Safefree(SvPVX(dstr)); |
a0d0e21e LW |
2124 | SvLEN(dstr)=SvCUR(dstr)=0; |
2125 | } | |
8990e307 | 2126 | } |
a0d0e21e | 2127 | (void)SvOK_off(dstr); |
8990e307 | 2128 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce | 2129 | SvROK_on(dstr); |
8990e307 | 2130 | if (sflags & SVp_NOK) { |
ed6116ce LW |
2131 | SvNOK_on(dstr); |
2132 | SvNVX(dstr) = SvNVX(sstr); | |
2133 | } | |
8990e307 | 2134 | if (sflags & SVp_IOK) { |
a0d0e21e | 2135 | (void)SvIOK_on(dstr); |
ed6116ce LW |
2136 | SvIVX(dstr) = SvIVX(sstr); |
2137 | } | |
a0d0e21e LW |
2138 | #ifdef OVERLOAD |
2139 | if (SvAMAGIC(sstr)) { | |
2140 | SvAMAGIC_on(dstr); | |
2141 | } | |
2142 | #endif /* OVERLOAD */ | |
ed6116ce | 2143 | } |
8990e307 | 2144 | else if (sflags & SVp_POK) { |
79072805 LW |
2145 | |
2146 | /* | |
2147 | * Check to see if we can just swipe the string. If so, it's a | |
2148 | * possible small lose on short strings, but a big win on long ones. | |
463ee0b2 LW |
2149 | * It might even be a win on short strings if SvPVX(dstr) |
2150 | * has to be allocated and SvPVX(sstr) has to be freed. | |
79072805 LW |
2151 | */ |
2152 | ||
ff68c719 | 2153 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
01b73108 | 2154 | SvREFCNT(sstr) == 1 && /* and no other references to it? */ |
a5f75d66 AD |
2155 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
2156 | { | |
adbc6bb1 | 2157 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a5f75d66 AD |
2158 | if (SvOOK(dstr)) { |
2159 | SvFLAGS(dstr) &= ~SVf_OOK; | |
2160 | Safefree(SvPVX(dstr) - SvIVX(dstr)); | |
2161 | } | |
2162 | else | |
2163 | Safefree(SvPVX(dstr)); | |
79072805 | 2164 | } |
a5f75d66 | 2165 | (void)SvPOK_only(dstr); |
463ee0b2 | 2166 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 LW |
2167 | SvLEN_set(dstr, SvLEN(sstr)); |
2168 | SvCUR_set(dstr, SvCUR(sstr)); | |
79072805 | 2169 | SvTEMP_off(dstr); |
a5f75d66 | 2170 | (void)SvOK_off(sstr); |
79072805 LW |
2171 | SvPV_set(sstr, Nullch); |
2172 | SvLEN_set(sstr, 0); | |
a5f75d66 AD |
2173 | SvCUR_set(sstr, 0); |
2174 | SvTEMP_off(sstr); | |
79072805 LW |
2175 | } |
2176 | else { /* have to copy actual string */ | |
8990e307 LW |
2177 | STRLEN len = SvCUR(sstr); |
2178 | ||
2179 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ | |
2180 | Move(SvPVX(sstr),SvPVX(dstr),len,char); | |
2181 | SvCUR_set(dstr, len); | |
2182 | *SvEND(dstr) = '\0'; | |
a0d0e21e | 2183 | (void)SvPOK_only(dstr); |
79072805 LW |
2184 | } |
2185 | /*SUPPRESS 560*/ | |
8990e307 | 2186 | if (sflags & SVp_NOK) { |
79072805 | 2187 | SvNOK_on(dstr); |
463ee0b2 | 2188 | SvNVX(dstr) = SvNVX(sstr); |
79072805 | 2189 | } |
8990e307 | 2190 | if (sflags & SVp_IOK) { |
a0d0e21e | 2191 | (void)SvIOK_on(dstr); |
463ee0b2 | 2192 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2193 | } |
2194 | } | |
8990e307 | 2195 | else if (sflags & SVp_NOK) { |
463ee0b2 | 2196 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e | 2197 | (void)SvNOK_only(dstr); |
79072805 | 2198 | if (SvIOK(sstr)) { |
a0d0e21e | 2199 | (void)SvIOK_on(dstr); |
463ee0b2 | 2200 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2201 | } |
2202 | } | |
8990e307 | 2203 | else if (sflags & SVp_IOK) { |
a0d0e21e | 2204 | (void)SvIOK_only(dstr); |
463ee0b2 | 2205 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2206 | } |
2207 | else { | |
a0d0e21e LW |
2208 | (void)SvOK_off(dstr); |
2209 | } | |
463ee0b2 | 2210 | SvTAINT(dstr); |
79072805 LW |
2211 | } |
2212 | ||
2213 | void | |
ef50df4b GS |
2214 | sv_setsv_mg(SV *dstr, register SV *sstr) |
2215 | { | |
2216 | sv_setsv(dstr,sstr); | |
2217 | SvSETMAGIC(dstr); | |
2218 | } | |
2219 | ||
2220 | void | |
8ac85365 | 2221 | sv_setpvn(register SV *sv, register const char *ptr, register STRLEN len) |
79072805 | 2222 | { |
c6f8c383 | 2223 | register char *dptr; |
4561caa4 CS |
2224 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
2225 | elicit a warning, but it won't hurt. */ | |
2213622d | 2226 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2227 | if (!ptr) { |
a0d0e21e | 2228 | (void)SvOK_off(sv); |
463ee0b2 LW |
2229 | return; |
2230 | } | |
c07a80fd | 2231 | if (SvTYPE(sv) >= SVt_PV) { |
2232 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2233 | sv_unglob(sv); | |
2234 | } | |
c6f8c383 GA |
2235 | else |
2236 | sv_upgrade(sv, SVt_PV); | |
2237 | ||
79072805 | 2238 | SvGROW(sv, len + 1); |
c6f8c383 GA |
2239 | dptr = SvPVX(sv); |
2240 | Move(ptr,dptr,len,char); | |
2241 | dptr[len] = '\0'; | |
79072805 | 2242 | SvCUR_set(sv, len); |
a0d0e21e | 2243 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2244 | SvTAINT(sv); |
79072805 LW |
2245 | } |
2246 | ||
2247 | void | |
ef50df4b GS |
2248 | sv_setpvn_mg(register SV *sv, register const char *ptr, register STRLEN len) |
2249 | { | |
2250 | sv_setpvn(sv,ptr,len); | |
2251 | SvSETMAGIC(sv); | |
2252 | } | |
2253 | ||
2254 | void | |
8ac85365 | 2255 | sv_setpv(register SV *sv, register const char *ptr) |
79072805 LW |
2256 | { |
2257 | register STRLEN len; | |
2258 | ||
2213622d | 2259 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2260 | if (!ptr) { |
a0d0e21e | 2261 | (void)SvOK_off(sv); |
463ee0b2 LW |
2262 | return; |
2263 | } | |
79072805 | 2264 | len = strlen(ptr); |
c07a80fd | 2265 | if (SvTYPE(sv) >= SVt_PV) { |
2266 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2267 | sv_unglob(sv); | |
2268 | } | |
c6f8c383 GA |
2269 | else |
2270 | sv_upgrade(sv, SVt_PV); | |
2271 | ||
79072805 | 2272 | SvGROW(sv, len + 1); |
463ee0b2 | 2273 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 | 2274 | SvCUR_set(sv, len); |
a0d0e21e | 2275 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 LW |
2276 | SvTAINT(sv); |
2277 | } | |
2278 | ||
2279 | void | |
ef50df4b GS |
2280 | sv_setpv_mg(register SV *sv, register const char *ptr) |
2281 | { | |
2282 | sv_setpv(sv,ptr); | |
2283 | SvSETMAGIC(sv); | |
2284 | } | |
2285 | ||
2286 | void | |
8ac85365 | 2287 | sv_usepvn(register SV *sv, register char *ptr, register STRLEN len) |
463ee0b2 | 2288 | { |
2213622d | 2289 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 2290 | (void)SvUPGRADE(sv, SVt_PV); |
463ee0b2 | 2291 | if (!ptr) { |
a0d0e21e | 2292 | (void)SvOK_off(sv); |
463ee0b2 LW |
2293 | return; |
2294 | } | |
2295 | if (SvPVX(sv)) | |
2296 | Safefree(SvPVX(sv)); | |
2297 | Renew(ptr, len+1, char); | |
2298 | SvPVX(sv) = ptr; | |
2299 | SvCUR_set(sv, len); | |
2300 | SvLEN_set(sv, len+1); | |
2301 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2302 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2303 | SvTAINT(sv); |
79072805 LW |
2304 | } |
2305 | ||
ef50df4b GS |
2306 | void |
2307 | sv_usepvn_mg(register SV *sv, register char *ptr, register STRLEN len) | |
2308 | { | |
51c1089b | 2309 | sv_usepvn(sv,ptr,len); |
ef50df4b GS |
2310 | SvSETMAGIC(sv); |
2311 | } | |
2312 | ||
0f15f207 | 2313 | static void |
8ac85365 | 2314 | sv_check_thinkfirst(register SV *sv) |
0f15f207 | 2315 | { |
2213622d GA |
2316 | if (SvREADONLY(sv)) { |
2317 | dTHR; | |
2318 | if (curcop != &compiling) | |
2319 | croak(no_modify); | |
0f15f207 | 2320 | } |
2213622d GA |
2321 | if (SvROK(sv)) |
2322 | sv_unref(sv); | |
0f15f207 MB |
2323 | } |
2324 | ||
79072805 | 2325 | void |
8ac85365 NIS |
2326 | sv_chop(register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */ |
2327 | ||
2328 | ||
79072805 LW |
2329 | { |
2330 | register STRLEN delta; | |
2331 | ||
a0d0e21e | 2332 | if (!ptr || !SvPOKp(sv)) |
79072805 | 2333 | return; |
2213622d | 2334 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2335 | if (SvTYPE(sv) < SVt_PVIV) |
2336 | sv_upgrade(sv,SVt_PVIV); | |
2337 | ||
2338 | if (!SvOOK(sv)) { | |
463ee0b2 | 2339 | SvIVX(sv) = 0; |
79072805 LW |
2340 | SvFLAGS(sv) |= SVf_OOK; |
2341 | } | |
8990e307 | 2342 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK); |
463ee0b2 | 2343 | delta = ptr - SvPVX(sv); |
79072805 LW |
2344 | SvLEN(sv) -= delta; |
2345 | SvCUR(sv) -= delta; | |
463ee0b2 LW |
2346 | SvPVX(sv) += delta; |
2347 | SvIVX(sv) += delta; | |
79072805 LW |
2348 | } |
2349 | ||
2350 | void | |
8ac85365 | 2351 | sv_catpvn(register SV *sv, register char *ptr, register STRLEN len) |
79072805 | 2352 | { |
463ee0b2 | 2353 | STRLEN tlen; |
748a9306 | 2354 | char *junk; |
a0d0e21e | 2355 | |
748a9306 | 2356 | junk = SvPV_force(sv, tlen); |
463ee0b2 | 2357 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2358 | if (ptr == junk) |
2359 | ptr = SvPVX(sv); | |
463ee0b2 | 2360 | Move(ptr,SvPVX(sv)+tlen,len,char); |
79072805 LW |
2361 | SvCUR(sv) += len; |
2362 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2363 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2364 | SvTAINT(sv); |
79072805 LW |
2365 | } |
2366 | ||
2367 | void | |
ef50df4b GS |
2368 | sv_catpvn_mg(register SV *sv, register char *ptr, register STRLEN len) |
2369 | { | |
2370 | sv_catpvn(sv,ptr,len); | |
2371 | SvSETMAGIC(sv); | |
2372 | } | |
2373 | ||
2374 | void | |
8ac85365 | 2375 | sv_catsv(SV *dstr, register SV *sstr) |
79072805 LW |
2376 | { |
2377 | char *s; | |
463ee0b2 | 2378 | STRLEN len; |
79072805 LW |
2379 | if (!sstr) |
2380 | return; | |
463ee0b2 LW |
2381 | if (s = SvPV(sstr, len)) |
2382 | sv_catpvn(dstr,s,len); | |
79072805 LW |
2383 | } |
2384 | ||
2385 | void | |
ef50df4b GS |
2386 | sv_catsv_mg(SV *dstr, register SV *sstr) |
2387 | { | |
2388 | sv_catsv(dstr,sstr); | |
2389 | SvSETMAGIC(dstr); | |
2390 | } | |
2391 | ||
2392 | void | |
8ac85365 | 2393 | sv_catpv(register SV *sv, register char *ptr) |
79072805 LW |
2394 | { |
2395 | register STRLEN len; | |
463ee0b2 | 2396 | STRLEN tlen; |
748a9306 | 2397 | char *junk; |
79072805 | 2398 | |
79072805 LW |
2399 | if (!ptr) |
2400 | return; | |
748a9306 | 2401 | junk = SvPV_force(sv, tlen); |
79072805 | 2402 | len = strlen(ptr); |
463ee0b2 | 2403 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2404 | if (ptr == junk) |
2405 | ptr = SvPVX(sv); | |
463ee0b2 | 2406 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
79072805 | 2407 | SvCUR(sv) += len; |
a0d0e21e | 2408 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2409 | SvTAINT(sv); |
79072805 LW |
2410 | } |
2411 | ||
ef50df4b GS |
2412 | void |
2413 | sv_catpv_mg(register SV *sv, register char *ptr) | |
2414 | { | |
51c1089b | 2415 | sv_catpv(sv,ptr); |
ef50df4b GS |
2416 | SvSETMAGIC(sv); |
2417 | } | |
2418 | ||
79072805 LW |
2419 | SV * |
2420 | #ifdef LEAKTEST | |
8c52afec | 2421 | newSV(I32 x, STRLEN len) |
79072805 | 2422 | #else |
8ac85365 | 2423 | newSV(STRLEN len) |
79072805 | 2424 | #endif |
79072805 LW |
2425 | { |
2426 | register SV *sv; | |
2427 | ||
4561caa4 | 2428 | new_SV(sv); |
8990e307 LW |
2429 | SvANY(sv) = 0; |
2430 | SvREFCNT(sv) = 1; | |
2431 | SvFLAGS(sv) = 0; | |
79072805 LW |
2432 | if (len) { |
2433 | sv_upgrade(sv, SVt_PV); | |
2434 | SvGROW(sv, len + 1); | |
2435 | } | |
2436 | return sv; | |
2437 | } | |
2438 | ||
1edc1566 | 2439 | /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ |
2440 | ||
79072805 | 2441 | void |
8ac85365 | 2442 | sv_magic(register SV *sv, SV *obj, int how, char *name, I32 namlen) |
79072805 LW |
2443 | { |
2444 | MAGIC* mg; | |
2445 | ||
0f15f207 MB |
2446 | if (SvREADONLY(sv)) { |
2447 | dTHR; | |
2448 | if (curcop != &compiling && !strchr("gBf", how)) | |
2449 | croak(no_modify); | |
2450 | } | |
4633a7c4 | 2451 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
748a9306 LW |
2452 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
2453 | if (how == 't') | |
2454 | mg->mg_len |= 1; | |
463ee0b2 | 2455 | return; |
748a9306 | 2456 | } |
463ee0b2 LW |
2457 | } |
2458 | else { | |
c6f8c383 | 2459 | (void)SvUPGRADE(sv, SVt_PVMG); |
463ee0b2 | 2460 | } |
79072805 LW |
2461 | Newz(702,mg, 1, MAGIC); |
2462 | mg->mg_moremagic = SvMAGIC(sv); | |
463ee0b2 | 2463 | |
79072805 | 2464 | SvMAGIC(sv) = mg; |
c277df42 | 2465 | if (!obj || obj == sv || how == '#' || how == 'r') |
8990e307 | 2466 | mg->mg_obj = obj; |
85e6fe83 | 2467 | else { |
11343788 | 2468 | dTHR; |
8990e307 | 2469 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 LW |
2470 | mg->mg_flags |= MGf_REFCOUNTED; |
2471 | } | |
79072805 | 2472 | mg->mg_type = how; |
463ee0b2 | 2473 | mg->mg_len = namlen; |
1edc1566 | 2474 | if (name) |
2475 | if (namlen >= 0) | |
2476 | mg->mg_ptr = savepvn(name, namlen); | |
c6ee37c5 | 2477 | else if (namlen == HEf_SVKEY) |
1edc1566 | 2478 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); |
2479 | ||
79072805 LW |
2480 | switch (how) { |
2481 | case 0: | |
2482 | mg->mg_virtual = &vtbl_sv; | |
2483 | break; | |
a0d0e21e LW |
2484 | #ifdef OVERLOAD |
2485 | case 'A': | |
2486 | mg->mg_virtual = &vtbl_amagic; | |
2487 | break; | |
2488 | case 'a': | |
2489 | mg->mg_virtual = &vtbl_amagicelem; | |
2490 | break; | |
2491 | case 'c': | |
2492 | mg->mg_virtual = 0; | |
2493 | break; | |
2494 | #endif /* OVERLOAD */ | |
79072805 LW |
2495 | case 'B': |
2496 | mg->mg_virtual = &vtbl_bm; | |
2497 | break; | |
79072805 LW |
2498 | case 'E': |
2499 | mg->mg_virtual = &vtbl_env; | |
2500 | break; | |
55497cff | 2501 | case 'f': |
2502 | mg->mg_virtual = &vtbl_fm; | |
2503 | break; | |
79072805 LW |
2504 | case 'e': |
2505 | mg->mg_virtual = &vtbl_envelem; | |
2506 | break; | |
93a17b20 LW |
2507 | case 'g': |
2508 | mg->mg_virtual = &vtbl_mglob; | |
2509 | break; | |
463ee0b2 LW |
2510 | case 'I': |
2511 | mg->mg_virtual = &vtbl_isa; | |
2512 | break; | |
2513 | case 'i': | |
2514 | mg->mg_virtual = &vtbl_isaelem; | |
2515 | break; | |
16660edb | 2516 | case 'k': |
2517 | mg->mg_virtual = &vtbl_nkeys; | |
2518 | break; | |
79072805 | 2519 | case 'L': |
a0d0e21e | 2520 | SvRMAGICAL_on(sv); |
93a17b20 LW |
2521 | mg->mg_virtual = 0; |
2522 | break; | |
2523 | case 'l': | |
79072805 LW |
2524 | mg->mg_virtual = &vtbl_dbline; |
2525 | break; | |
f93b4edd MB |
2526 | #ifdef USE_THREADS |
2527 | case 'm': | |
2528 | mg->mg_virtual = &vtbl_mutex; | |
2529 | break; | |
2530 | #endif /* USE_THREADS */ | |
36477c24 | 2531 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 | 2532 | case 'o': |
2533 | mg->mg_virtual = &vtbl_collxfrm; | |
2534 | break; | |
36477c24 | 2535 | #endif /* USE_LOCALE_COLLATE */ |
463ee0b2 LW |
2536 | case 'P': |
2537 | mg->mg_virtual = &vtbl_pack; | |
2538 | break; | |
2539 | case 'p': | |
a0d0e21e | 2540 | case 'q': |
463ee0b2 LW |
2541 | mg->mg_virtual = &vtbl_packelem; |
2542 | break; | |
c277df42 IZ |
2543 | case 'r': |
2544 | mg->mg_virtual = &vtbl_regexp; | |
2545 | break; | |
79072805 LW |
2546 | case 'S': |
2547 | mg->mg_virtual = &vtbl_sig; | |
2548 | break; | |
2549 | case 's': | |
2550 | mg->mg_virtual = &vtbl_sigelem; | |
2551 | break; | |
463ee0b2 LW |
2552 | case 't': |
2553 | mg->mg_virtual = &vtbl_taint; | |
748a9306 | 2554 | mg->mg_len = 1; |
463ee0b2 | 2555 | break; |
79072805 LW |
2556 | case 'U': |
2557 | mg->mg_virtual = &vtbl_uvar; | |
2558 | break; | |
2559 | case 'v': | |
2560 | mg->mg_virtual = &vtbl_vec; | |
2561 | break; | |
2562 | case 'x': | |
2563 | mg->mg_virtual = &vtbl_substr; | |
2564 | break; | |
5f05dabc | 2565 | case 'y': |
68dc0745 | 2566 | mg->mg_virtual = &vtbl_defelem; |
5f05dabc | 2567 | break; |
79072805 LW |
2568 | case '*': |
2569 | mg->mg_virtual = &vtbl_glob; | |
2570 | break; | |
2571 | case '#': | |
2572 | mg->mg_virtual = &vtbl_arylen; | |
2573 | break; | |
a0d0e21e LW |
2574 | case '.': |
2575 | mg->mg_virtual = &vtbl_pos; | |
2576 | break; | |
4633a7c4 LW |
2577 | case '~': /* Reserved for use by extensions not perl internals. */ |
2578 | /* Useful for attaching extension internal data to perl vars. */ | |
2579 | /* Note that multiple extensions may clash if magical scalars */ | |
2580 | /* etc holding private data from one are passed to another. */ | |
2581 | SvRMAGICAL_on(sv); | |
a0d0e21e | 2582 | break; |
79072805 | 2583 | default: |
463ee0b2 LW |
2584 | croak("Don't know how to handle magic of type '%c'", how); |
2585 | } | |
8990e307 LW |
2586 | mg_magical(sv); |
2587 | if (SvGMAGICAL(sv)) | |
2588 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 LW |
2589 | } |
2590 | ||
2591 | int | |
8ac85365 | 2592 | sv_unmagic(SV *sv, int type) |
463ee0b2 LW |
2593 | { |
2594 | MAGIC* mg; | |
2595 | MAGIC** mgp; | |
91bba347 | 2596 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
463ee0b2 LW |
2597 | return 0; |
2598 | mgp = &SvMAGIC(sv); | |
2599 | for (mg = *mgp; mg; mg = *mgp) { | |
2600 | if (mg->mg_type == type) { | |
2601 | MGVTBL* vtbl = mg->mg_virtual; | |
2602 | *mgp = mg->mg_moremagic; | |
2603 | if (vtbl && vtbl->svt_free) | |
2604 | (*vtbl->svt_free)(sv, mg); | |
2605 | if (mg->mg_ptr && mg->mg_type != 'g') | |
1edc1566 | 2606 | if (mg->mg_len >= 0) |
2607 | Safefree(mg->mg_ptr); | |
2608 | else if (mg->mg_len == HEf_SVKEY) | |
2609 | SvREFCNT_dec((SV*)mg->mg_ptr); | |
a0d0e21e LW |
2610 | if (mg->mg_flags & MGf_REFCOUNTED) |
2611 | SvREFCNT_dec(mg->mg_obj); | |
463ee0b2 LW |
2612 | Safefree(mg); |
2613 | } | |
2614 | else | |
2615 | mgp = &mg->mg_moremagic; | |
79072805 | 2616 | } |
91bba347 | 2617 | if (!SvMAGIC(sv)) { |
463ee0b2 | 2618 | SvMAGICAL_off(sv); |
8990e307 | 2619 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 LW |
2620 | } |
2621 | ||
2622 | return 0; | |
79072805 LW |
2623 | } |
2624 | ||
2625 | void | |
8ac85365 | 2626 | sv_insert(SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen) |
79072805 LW |
2627 | { |
2628 | register char *big; | |
2629 | register char *mid; | |
2630 | register char *midend; | |
2631 | register char *bigend; | |
2632 | register I32 i; | |
2633 | ||
8990e307 LW |
2634 | if (!bigstr) |
2635 | croak("Can't modify non-existent substring"); | |
a0d0e21e | 2636 | SvPV_force(bigstr, na); |
79072805 LW |
2637 | |
2638 | i = littlelen - len; | |
2639 | if (i > 0) { /* string might grow */ | |
a0d0e21e | 2640 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 LW |
2641 | mid = big + offset + len; |
2642 | midend = bigend = big + SvCUR(bigstr); | |
2643 | bigend += i; | |
2644 | *bigend = '\0'; | |
2645 | while (midend > mid) /* shove everything down */ | |
2646 | *--bigend = *--midend; | |
2647 | Move(little,big+offset,littlelen,char); | |
2648 | SvCUR(bigstr) += i; | |
2649 | SvSETMAGIC(bigstr); | |
2650 | return; | |
2651 | } | |
2652 | else if (i == 0) { | |
463ee0b2 | 2653 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 LW |
2654 | SvSETMAGIC(bigstr); |
2655 | return; | |
2656 | } | |
2657 | ||
463ee0b2 | 2658 | big = SvPVX(bigstr); |
79072805 LW |
2659 | mid = big + offset; |
2660 | midend = mid + len; | |
2661 | bigend = big + SvCUR(bigstr); | |
2662 | ||
2663 | if (midend > bigend) | |
463ee0b2 | 2664 | croak("panic: sv_insert"); |
79072805 LW |
2665 | |
2666 | if (mid - big > bigend - midend) { /* faster to shorten from end */ | |
2667 | if (littlelen) { | |
2668 | Move(little, mid, littlelen,char); | |
2669 | mid += littlelen; | |
2670 | } | |
2671 | i = bigend - midend; | |
2672 | if (i > 0) { | |
2673 | Move(midend, mid, i,char); | |
2674 | mid += i; | |
2675 | } | |
2676 | *mid = '\0'; | |
2677 | SvCUR_set(bigstr, mid - big); | |
2678 | } | |
2679 | /*SUPPRESS 560*/ | |
2680 | else if (i = mid - big) { /* faster from front */ | |
2681 | midend -= littlelen; | |
2682 | mid = midend; | |
2683 | sv_chop(bigstr,midend-i); | |
2684 | big += i; | |
2685 | while (i--) | |
2686 | *--midend = *--big; | |
2687 | if (littlelen) | |
2688 | Move(little, mid, littlelen,char); | |
2689 | } | |
2690 | else if (littlelen) { | |
2691 | midend -= littlelen; | |
2692 | sv_chop(bigstr,midend); | |
2693 | Move(little,midend,littlelen,char); | |
2694 | } | |
2695 | else { | |
2696 | sv_chop(bigstr,midend); | |
2697 | } | |
2698 | SvSETMAGIC(bigstr); | |
2699 | } | |
2700 | ||
2701 | /* make sv point to what nstr did */ | |
2702 | ||
2703 | void | |
8ac85365 | 2704 | sv_replace(register SV *sv, register SV *nsv) |
79072805 LW |
2705 | { |
2706 | U32 refcnt = SvREFCNT(sv); | |
2213622d | 2707 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2708 | if (SvREFCNT(nsv) != 1) |
2709 | warn("Reference miscount in sv_replace()"); | |
93a17b20 | 2710 | if (SvMAGICAL(sv)) { |
a0d0e21e LW |
2711 | if (SvMAGICAL(nsv)) |
2712 | mg_free(nsv); | |
2713 | else | |
2714 | sv_upgrade(nsv, SVt_PVMG); | |
93a17b20 | 2715 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e | 2716 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 LW |
2717 | SvMAGICAL_off(sv); |
2718 | SvMAGIC(sv) = 0; | |
2719 | } | |
79072805 LW |
2720 | SvREFCNT(sv) = 0; |
2721 | sv_clear(sv); | |
477f5d66 | 2722 | assert(!SvREFCNT(sv)); |
79072805 LW |
2723 | StructCopy(nsv,sv,SV); |
2724 | SvREFCNT(sv) = refcnt; | |
1edc1566 | 2725 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
463ee0b2 | 2726 | del_SV(nsv); |
79072805 LW |
2727 | } |
2728 | ||
2729 | void | |
8ac85365 | 2730 | sv_clear(register SV *sv) |
79072805 | 2731 | { |
ec12f114 | 2732 | HV* stash; |
79072805 LW |
2733 | assert(sv); |
2734 | assert(SvREFCNT(sv) == 0); | |
2735 | ||
ed6116ce | 2736 | if (SvOBJECT(sv)) { |
e858de61 | 2737 | dTHR; |
a0d0e21e | 2738 | if (defstash) { /* Still have a symbol table? */ |
4e35701f | 2739 | djSP; |
8ebc5c01 | 2740 | GV* destructor; |
4e8e7886 | 2741 | SV ref; |
a0d0e21e | 2742 | |
4e8e7886 GS |
2743 | Zero(&ref, 1, SV); |
2744 | sv_upgrade(&ref, SVt_RV); | |
2745 | SvROK_on(&ref); | |
2746 | SvREADONLY_on(&ref); /* DESTROY() could be naughty */ | |
2747 | SvREFCNT(&ref) = 1; | |
2748 | ||
2749 | do { | |
2750 | stash = SvSTASH(sv); | |
2751 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); | |
2752 | if (destructor) { | |
2753 | ENTER; | |
e336de0d | 2754 | PUSHSTACK(SI_DESTROY); |
4e8e7886 GS |
2755 | SvRV(&ref) = SvREFCNT_inc(sv); |
2756 | EXTEND(SP, 2); | |
2757 | PUSHMARK(SP); | |
2758 | PUSHs(&ref); | |
2759 | PUTBACK; | |
2760 | perl_call_sv((SV*)GvCV(destructor), | |
2761 | G_DISCARD|G_EVAL|G_KEEPERR); | |
2762 | SvREFCNT(sv)--; | |
e336de0d | 2763 | POPSTACK(); |
4e8e7886 GS |
2764 | LEAVE; |
2765 | } | |
2766 | } while (SvOBJECT(sv) && SvSTASH(sv) != stash); | |
8ebc5c01 | 2767 | |
4e8e7886 | 2768 | del_XRV(SvANY(&ref)); |
a0d0e21e | 2769 | } |
4e8e7886 | 2770 | |
a0d0e21e | 2771 | if (SvOBJECT(sv)) { |
4e8e7886 | 2772 | SvREFCNT_dec(SvSTASH(sv)); /* possibly of changed persuasion */ |
a0d0e21e LW |
2773 | SvOBJECT_off(sv); /* Curse the object. */ |
2774 | if (SvTYPE(sv) != SVt_PVIO) | |
2775 | --sv_objcount; /* XXX Might want something more general */ | |
2776 | } | |
1edc1566 | 2777 | if (SvREFCNT(sv)) { |
477f5d66 CS |
2778 | if (in_clean_objs) |
2779 | croak("DESTROY created new reference to dead object"); | |
2780 | /* DESTROY gave object new lease on life */ | |
2781 | return; | |
1edc1566 | 2782 | } |
463ee0b2 | 2783 | } |
c07a80fd | 2784 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
a0d0e21e | 2785 | mg_free(sv); |
ec12f114 | 2786 | stash = NULL; |
79072805 | 2787 | switch (SvTYPE(sv)) { |
8990e307 | 2788 | case SVt_PVIO: |
5f05dabc | 2789 | if (IoIFP(sv) != PerlIO_stdin() && |
2790 | IoIFP(sv) != PerlIO_stdout() && | |
2791 | IoIFP(sv) != PerlIO_stderr()) | |
2792 | io_close((IO*)sv); | |
8990e307 LW |
2793 | Safefree(IoTOP_NAME(sv)); |
2794 | Safefree(IoFMT_NAME(sv)); | |
2795 | Safefree(IoBOTTOM_NAME(sv)); | |
a0d0e21e | 2796 | /* FALL THROUGH */ |
79072805 | 2797 | case SVt_PVBM: |
a0d0e21e | 2798 | goto freescalar; |
79072805 | 2799 | case SVt_PVCV: |
748a9306 | 2800 | case SVt_PVFM: |
85e6fe83 | 2801 | cv_undef((CV*)sv); |
a0d0e21e | 2802 | goto freescalar; |
79072805 | 2803 | case SVt_PVHV: |
85e6fe83 | 2804 | hv_undef((HV*)sv); |
a0d0e21e | 2805 | break; |
79072805 | 2806 | case SVt_PVAV: |
85e6fe83 | 2807 | av_undef((AV*)sv); |
a0d0e21e LW |
2808 | break; |
2809 | case SVt_PVGV: | |
1edc1566 | 2810 | gp_free((GV*)sv); |
a0d0e21e | 2811 | Safefree(GvNAME(sv)); |
ec12f114 JPC |
2812 | /* cannot decrease stash refcount yet, as we might recursively delete |
2813 | ourselves when the refcnt drops to zero. Delay SvREFCNT_dec | |
2814 | of stash until current sv is completely gone. | |
2815 | -- JohnPC, 27 Mar 1998 */ | |
2816 | stash = GvSTASH(sv); | |
a0d0e21e | 2817 | /* FALL THROUGH */ |
79072805 | 2818 | case SVt_PVLV: |
79072805 | 2819 | case SVt_PVMG: |
79072805 LW |
2820 | case SVt_PVNV: |
2821 | case SVt_PVIV: | |
a0d0e21e LW |
2822 | freescalar: |
2823 | (void)SvOOK_off(sv); | |
79072805 LW |
2824 | /* FALL THROUGH */ |
2825 | case SVt_PV: | |
a0d0e21e | 2826 | case SVt_RV: |
8990e307 LW |
2827 | if (SvROK(sv)) |
2828 | SvREFCNT_dec(SvRV(sv)); | |
1edc1566 | 2829 | else if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 | 2830 | Safefree(SvPVX(sv)); |
79072805 | 2831 | break; |
a0d0e21e | 2832 | /* |
79072805 | 2833 | case SVt_NV: |
79072805 | 2834 | case SVt_IV: |
79072805 LW |
2835 | case SVt_NULL: |
2836 | break; | |
a0d0e21e | 2837 | */ |
79072805 LW |
2838 | } |
2839 | ||
2840 | switch (SvTYPE(sv)) { | |
2841 | case SVt_NULL: | |
2842 | break; | |
79072805 LW |
2843 | case SVt_IV: |
2844 | del_XIV(SvANY(sv)); | |
2845 | break; | |
2846 | case SVt_NV: | |
2847 | del_XNV(SvANY(sv)); | |
2848 | break; | |
ed6116ce LW |
2849 | case SVt_RV: |
2850 | del_XRV(SvANY(sv)); | |
2851 | break; | |
79072805 LW |
2852 | case SVt_PV: |
2853 | del_XPV(SvANY(sv)); | |
2854 | break; | |
2855 | case SVt_PVIV: | |
2856 | del_XPVIV(SvANY(sv)); | |
2857 | break; | |
2858 | case SVt_PVNV: | |
2859 | del_XPVNV(SvANY(sv)); | |
2860 | break; | |
2861 | case SVt_PVMG: | |
2862 | del_XPVMG(SvANY(sv)); | |
2863 | break; | |
2864 | case SVt_PVLV: | |
2865 | del_XPVLV(SvANY(sv)); | |
2866 | break; | |
2867 | case SVt_PVAV: | |
2868 | del_XPVAV(SvANY(sv)); | |
2869 | break; | |
2870 | case SVt_PVHV: | |
2871 | del_XPVHV(SvANY(sv)); | |
2872 | break; | |
2873 | case SVt_PVCV: | |
2874 | del_XPVCV(SvANY(sv)); | |
2875 | break; | |
2876 | case SVt_PVGV: | |
2877 | del_XPVGV(SvANY(sv)); | |
ec12f114 JPC |
2878 | /* code duplication for increased performance. */ |
2879 | SvFLAGS(sv) &= SVf_BREAK; | |
2880 | SvFLAGS(sv) |= SVTYPEMASK; | |
2881 | /* decrease refcount of the stash that owns this GV, if any */ | |
2882 | if (stash) | |
2883 | SvREFCNT_dec(stash); | |
2884 | return; /* not break, SvFLAGS reset already happened */ | |
79072805 LW |
2885 | case SVt_PVBM: |
2886 | del_XPVBM(SvANY(sv)); | |
2887 | break; | |
2888 | case SVt_PVFM: | |
2889 | del_XPVFM(SvANY(sv)); | |
2890 | break; | |
8990e307 LW |
2891 | case SVt_PVIO: |
2892 | del_XPVIO(SvANY(sv)); | |
2893 | break; | |
79072805 | 2894 | } |
a0d0e21e | 2895 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 | 2896 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 LW |
2897 | } |
2898 | ||
2899 | SV * | |
8ac85365 | 2900 | sv_newref(SV *sv) |
79072805 | 2901 | { |
463ee0b2 | 2902 | if (sv) |
dce16143 | 2903 | ATOMIC_INC(SvREFCNT(sv)); |
79072805 LW |
2904 | return sv; |
2905 | } | |
2906 | ||
2907 | void | |
8ac85365 | 2908 | sv_free(SV *sv) |
79072805 | 2909 | { |
dce16143 MB |
2910 | int refcount_is_zero; |
2911 | ||
79072805 LW |
2912 | if (!sv) |
2913 | return; | |
a0d0e21e LW |
2914 | if (SvREADONLY(sv)) { |
2915 | if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no) | |
2916 | return; | |
79072805 | 2917 | } |
a0d0e21e LW |
2918 | if (SvREFCNT(sv) == 0) { |
2919 | if (SvFLAGS(sv) & SVf_BREAK) | |
2920 | return; | |
1edc1566 | 2921 | if (in_clean_all) /* All is fair */ |
2922 | return; | |
79072805 LW |
2923 | warn("Attempt to free unreferenced scalar"); |
2924 | return; | |
2925 | } | |
dce16143 MB |
2926 | ATOMIC_DEC_AND_TEST(refcount_is_zero, SvREFCNT(sv)); |
2927 | if (!refcount_is_zero) | |
8990e307 | 2928 | return; |
463ee0b2 LW |
2929 | #ifdef DEBUGGING |
2930 | if (SvTEMP(sv)) { | |
0f15f207 | 2931 | warn("Attempt to free temp prematurely: %s", SvPEEK(sv)); |
79072805 | 2932 | return; |
79072805 | 2933 | } |
463ee0b2 | 2934 | #endif |
79072805 | 2935 | sv_clear(sv); |
477f5d66 CS |
2936 | if (! SvREFCNT(sv)) |
2937 | del_SV(sv); | |
79072805 LW |
2938 | } |
2939 | ||
2940 | STRLEN | |
8ac85365 | 2941 | sv_len(register SV *sv) |
79072805 | 2942 | { |
748a9306 | 2943 | char *junk; |
463ee0b2 | 2944 | STRLEN len; |
79072805 LW |
2945 | |
2946 | if (!sv) | |
2947 | return 0; | |
2948 | ||
8990e307 LW |
2949 | if (SvGMAGICAL(sv)) |
2950 | len = mg_len(sv); | |
2951 | else | |
748a9306 | 2952 | junk = SvPV(sv, len); |
463ee0b2 | 2953 | return len; |
79072805 LW |
2954 | } |
2955 | ||
2956 | I32 | |
8ac85365 | 2957 | sv_eq(register SV *str1, register SV *str2) |
79072805 LW |
2958 | { |
2959 | char *pv1; | |
463ee0b2 | 2960 | STRLEN cur1; |
79072805 | 2961 | char *pv2; |
463ee0b2 | 2962 | STRLEN cur2; |
79072805 LW |
2963 | |
2964 | if (!str1) { | |
2965 | pv1 = ""; | |
2966 | cur1 = 0; | |
2967 | } | |
463ee0b2 LW |
2968 | else |
2969 | pv1 = SvPV(str1, cur1); | |
79072805 LW |
2970 | |
2971 | if (!str2) | |
2972 | return !cur1; | |
463ee0b2 LW |
2973 | else |
2974 | pv2 = SvPV(str2, cur2); | |
79072805 LW |
2975 | |
2976 | if (cur1 != cur2) | |
2977 | return 0; | |
2978 | ||
36477c24 | 2979 | return memEQ(pv1, pv2, cur1); |
79072805 LW |
2980 | } |
2981 | ||
2982 | I32 | |
8ac85365 | 2983 | sv_cmp(register SV *str1, register SV *str2) |
79072805 | 2984 | { |
bbce6d69 | 2985 | STRLEN cur1 = 0; |
8ac85365 | 2986 | char *pv1 = str1 ? SvPV(str1, cur1) : (char *) NULL; |
bbce6d69 | 2987 | STRLEN cur2 = 0; |
8ac85365 | 2988 | char *pv2 = str2 ? SvPV(str2, cur2) : (char *) NULL; |
79072805 | 2989 | I32 retval; |
79072805 | 2990 | |
bbce6d69 | 2991 | if (!cur1) |
2992 | return cur2 ? -1 : 0; | |
16660edb | 2993 | |
bbce6d69 | 2994 | if (!cur2) |
2995 | return 1; | |
79072805 | 2996 | |
bbce6d69 | 2997 | retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); |
16660edb | 2998 | |
bbce6d69 | 2999 | if (retval) |
3000 | return retval < 0 ? -1 : 1; | |
16660edb | 3001 | |
bbce6d69 | 3002 | if (cur1 == cur2) |
3003 | return 0; | |
3004 | else | |
3005 | return cur1 < cur2 ? -1 : 1; | |
3006 | } | |
16660edb | 3007 | |
bbce6d69 | 3008 | I32 |
8ac85365 | 3009 | sv_cmp_locale(register SV *sv1, register SV *sv2) |
bbce6d69 | 3010 | { |
36477c24 | 3011 | #ifdef USE_LOCALE_COLLATE |
16660edb | 3012 | |
bbce6d69 | 3013 | char *pv1, *pv2; |
3014 | STRLEN len1, len2; | |
3015 | I32 retval; | |
16660edb | 3016 | |
bbce6d69 | 3017 | if (collation_standard) |
3018 | goto raw_compare; | |
16660edb | 3019 | |
bbce6d69 | 3020 | len1 = 0; |
8ac85365 | 3021 | pv1 = sv1 ? sv_collxfrm(sv1, &len1) : (char *) NULL; |
bbce6d69 | 3022 | len2 = 0; |
8ac85365 | 3023 | pv2 = sv2 ? sv_collxfrm(sv2, &len2) : (char *) NULL; |
16660edb | 3024 | |
bbce6d69 | 3025 | if (!pv1 || !len1) { |
3026 | if (pv2 && len2) | |
3027 | return -1; | |
3028 | else | |
3029 | goto raw_compare; | |
3030 | } | |
3031 | else { | |
3032 | if (!pv2 || !len2) | |
3033 | return 1; | |
3034 | } | |
16660edb | 3035 | |
bbce6d69 | 3036 | retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); |
16660edb | 3037 | |
bbce6d69 | 3038 | if (retval) |
16660edb | 3039 | return retval < 0 ? -1 : 1; |
3040 | ||
bbce6d69 | 3041 | /* |
3042 | * When the result of collation is equality, that doesn't mean | |
3043 | * that there are no differences -- some locales exclude some | |
3044 | * characters from consideration. So to avoid false equalities, | |
3045 | * we use the raw string as a tiebreaker. | |
3046 | */ | |
16660edb | 3047 | |
bbce6d69 | 3048 | raw_compare: |
3049 | /* FALL THROUGH */ | |
16660edb | 3050 | |
36477c24 | 3051 | #endif /* USE_LOCALE_COLLATE */ |
16660edb | 3052 | |
bbce6d69 | 3053 | return sv_cmp(sv1, sv2); |
3054 | } | |
79072805 | 3055 | |
36477c24 | 3056 | #ifdef USE_LOCALE_COLLATE |
7a4c00b4 | 3057 | /* |
3058 | * Any scalar variable may carry an 'o' magic that contains the | |
3059 | * scalar data of the variable transformed to such a format that | |
3060 | * a normal memory comparison can be used to compare the data | |
3061 | * according to the locale settings. | |
3062 | */ | |
bbce6d69 | 3063 | char * |
8ac85365 | 3064 | sv_collxfrm(SV *sv, STRLEN *nxp) |
bbce6d69 | 3065 | { |
7a4c00b4 | 3066 | MAGIC *mg; |
16660edb | 3067 | |
8ac85365 | 3068 | mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : (MAGIC *) NULL; |
7a4c00b4 | 3069 | if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != collation_ix) { |
bbce6d69 | 3070 | char *s, *xf; |
3071 | STRLEN len, xlen; | |
3072 | ||
7a4c00b4 | 3073 | if (mg) |
3074 | Safefree(mg->mg_ptr); | |
bbce6d69 | 3075 | s = SvPV(sv, len); |
3076 | if ((xf = mem_collxfrm(s, len, &xlen))) { | |
ff0cee69 | 3077 | if (SvREADONLY(sv)) { |
3078 | SAVEFREEPV(xf); | |
3079 | *nxp = xlen; | |
fb73857a | 3080 | return xf + sizeof(collation_ix); |
ff0cee69 | 3081 | } |
7a4c00b4 | 3082 | if (! mg) { |
3083 | sv_magic(sv, 0, 'o', 0, 0); | |
3084 | mg = mg_find(sv, 'o'); | |
3085 | assert(mg); | |
bbce6d69 | 3086 | } |
7a4c00b4 | 3087 | mg->mg_ptr = xf; |
3088 | mg->mg_len = xlen; | |
3089 | } | |
3090 | else { | |
ff0cee69 | 3091 | if (mg) { |
3092 | mg->mg_ptr = NULL; | |
3093 | mg->mg_len = -1; | |
3094 | } | |
bbce6d69 | 3095 | } |
3096 | } | |
7a4c00b4 | 3097 | if (mg && mg->mg_ptr) { |
bbce6d69 | 3098 | *nxp = mg->mg_len; |
3099 | return mg->mg_ptr + sizeof(collation_ix); | |
3100 | } | |
3101 | else { | |
3102 | *nxp = 0; | |
3103 | return NULL; | |
16660edb | 3104 | } |
79072805 LW |
3105 | } |
3106 | ||
36477c24 | 3107 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 3108 | |
79072805 | 3109 | char * |
6acef3b7 | 3110 | sv_gets(register SV *sv, register PerlIO *fp, I32 append) |
79072805 | 3111 | { |
aeea060c | 3112 | dTHR; |
c07a80fd | 3113 | char *rsptr; |
3114 | STRLEN rslen; | |
3115 | register STDCHAR rslast; | |
3116 | register STDCHAR *bp; | |
3117 | register I32 cnt; | |
3118 | I32 i; | |
3119 | ||
2213622d | 3120 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 3121 | (void)SvUPGRADE(sv, SVt_PV); |
ff68c719 | 3122 | SvSCREAM_off(sv); |
c07a80fd | 3123 | |
3124 | if (RsSNARF(rs)) { | |
3125 | rsptr = NULL; | |
3126 | rslen = 0; | |
3127 | } | |
3128 | else if (RsPARA(rs)) { | |
3129 | rsptr = "\n\n"; | |
3130 | rslen = 2; | |
3131 | } | |
3132 | else | |
3133 | rsptr = SvPV(rs, rslen); | |
3134 | rslast = rslen ? rsptr[rslen - 1] : '\0'; | |
3135 | ||
3136 | if (RsPARA(rs)) { /* have to do this both before and after */ | |
79072805 | 3137 | do { /* to make sure file boundaries work right */ |
760ac839 | 3138 | if (PerlIO_eof(fp)) |
a0d0e21e | 3139 | return 0; |
760ac839 | 3140 | i = PerlIO_getc(fp); |
79072805 | 3141 | if (i != '\n') { |
a0d0e21e LW |
3142 | if (i == -1) |
3143 | return 0; | |
760ac839 | 3144 | PerlIO_ungetc(fp,i); |
79072805 LW |
3145 | break; |
3146 | } | |
3147 | } while (i != EOF); | |
3148 | } | |
c07a80fd | 3149 | |
760ac839 LW |
3150 | /* See if we know enough about I/O mechanism to cheat it ! */ |
3151 | ||
3152 | /* This used to be #ifdef test - it is made run-time test for ease | |
3153 | of abstracting out stdio interface. One call should be cheap | |
3154 | enough here - and may even be a macro allowing compile | |
3155 | time optimization. | |
3156 | */ | |
3157 | ||
3158 | if (PerlIO_fast_gets(fp)) { | |
3159 | ||
3160 | /* | |
3161 | * We're going to steal some values from the stdio struct | |
3162 | * and put EVERYTHING in the innermost loop into registers. | |
3163 | */ | |
3164 | register STDCHAR *ptr; | |
3165 | STRLEN bpx; | |
3166 | I32 shortbuffered; | |
3167 | ||
16660edb | 3168 | #if defined(VMS) && defined(PERLIO_IS_STDIO) |
3169 | /* An ungetc()d char is handled separately from the regular | |
3170 | * buffer, so we getc() it back out and stuff it in the buffer. | |
3171 | */ | |
3172 | i = PerlIO_getc(fp); | |
3173 | if (i == EOF) return 0; | |
3174 | *(--((*fp)->_ptr)) = (unsigned char) i; | |
3175 | (*fp)->_cnt++; | |
3176 | #endif | |
c07a80fd | 3177 | |
c2960299 | 3178 | /* Here is some breathtakingly efficient cheating */ |
c07a80fd | 3179 | |
760ac839 | 3180 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
a0d0e21e | 3181 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 LW |
3182 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
3183 | if (cnt > 80 && SvLEN(sv) > append) { | |
3184 | shortbuffered = cnt - SvLEN(sv) + append + 1; | |
3185 | cnt -= shortbuffered; | |
3186 | } | |
3187 | else { | |
3188 | shortbuffered = 0; | |
bbce6d69 | 3189 | /* remember that cnt can be negative */ |
3190 | SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); | |
79072805 LW |
3191 | } |
3192 | } | |
3193 | else | |
3194 | shortbuffered = 0; | |
c07a80fd | 3195 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
760ac839 | 3196 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
16660edb | 3197 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3198 | "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
16660edb | 3199 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3200 | "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3201 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3202 | (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 LW |
3203 | for (;;) { |
3204 | screamer: | |
93a17b20 | 3205 | if (cnt > 0) { |
c07a80fd | 3206 | if (rslen) { |
760ac839 LW |
3207 | while (cnt > 0) { /* this | eat */ |
3208 | cnt--; | |
c07a80fd | 3209 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
3210 | goto thats_all_folks; /* screams | sed :-) */ | |
3211 | } | |
3212 | } | |
3213 | else { | |
36477c24 | 3214 | Copy(ptr, bp, cnt, char); /* this | eat */ |
c07a80fd | 3215 | bp += cnt; /* screams | dust */ |
3216 | ptr += cnt; /* louder | sed :-) */ | |
a5f75d66 | 3217 | cnt = 0; |
93a17b20 | 3218 | } |
79072805 LW |
3219 | } |
3220 | ||
748a9306 | 3221 | if (shortbuffered) { /* oh well, must extend */ |
79072805 LW |
3222 | cnt = shortbuffered; |
3223 | shortbuffered = 0; | |
c07a80fd | 3224 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3225 | SvCUR_set(sv, bpx); |
3226 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); | |
c07a80fd | 3227 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
79072805 LW |
3228 | continue; |
3229 | } | |
3230 | ||
16660edb | 3231 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3232 | "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3233 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
16660edb | 3234 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3235 | "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3236 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3237 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
16660edb | 3238 | /* This used to call 'filbuf' in stdio form, but as that behaves like |
774d564b | 3239 | getc when cnt <= 0 we use PerlIO_getc here to avoid introducing |
3240 | another abstraction. */ | |
760ac839 | 3241 | i = PerlIO_getc(fp); /* get more characters */ |
16660edb | 3242 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3243 | "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3244 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3245 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
760ac839 LW |
3246 | cnt = PerlIO_get_cnt(fp); |
3247 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ | |
16660edb | 3248 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3249 | "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
79072805 | 3250 | |
748a9306 LW |
3251 | if (i == EOF) /* all done for ever? */ |
3252 | goto thats_really_all_folks; | |
3253 | ||
c07a80fd | 3254 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3255 | SvCUR_set(sv, bpx); |
3256 | SvGROW(sv, bpx + cnt + 2); | |
c07a80fd | 3257 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
3258 | ||
760ac839 | 3259 | *bp++ = i; /* store character from PerlIO_getc */ |
79072805 | 3260 | |
c07a80fd | 3261 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
79072805 | 3262 | goto thats_all_folks; |
79072805 LW |
3263 | } |
3264 | ||
3265 | thats_all_folks: | |
c07a80fd | 3266 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
36477c24 | 3267 | memNE((char*)bp - rslen, rsptr, rslen)) |
760ac839 | 3268 | goto screamer; /* go back to the fray */ |
79072805 LW |
3269 | thats_really_all_folks: |
3270 | if (shortbuffered) | |
3271 | cnt += shortbuffered; | |
16660edb | 3272 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3273 | "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3274 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
16660edb | 3275 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3276 | "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3277 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3278 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 | 3279 | *bp = '\0'; |
760ac839 | 3280 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
16660edb | 3281 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
fb73857a | 3282 | "Screamer: done, len=%ld, string=|%.*s|\n", |
3283 | (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); | |
760ac839 LW |
3284 | } |
3285 | else | |
79072805 | 3286 | { |
760ac839 | 3287 | /*The big, slow, and stupid way */ |
c07a80fd | 3288 | STDCHAR buf[8192]; |
79072805 | 3289 | |
760ac839 | 3290 | screamer2: |
c07a80fd | 3291 | if (rslen) { |
760ac839 LW |
3292 | register STDCHAR *bpe = buf + sizeof(buf); |
3293 | bp = buf; | |
3294 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) | |
3295 | ; /* keep reading */ | |
3296 | cnt = bp - buf; | |
c07a80fd | 3297 | } |
3298 | else { | |
760ac839 | 3299 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
16660edb | 3300 | /* Accomodate broken VAXC compiler, which applies U8 cast to |
3301 | * both args of ?: operator, causing EOF to change into 255 | |
3302 | */ | |
3303 | if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } | |
c07a80fd | 3304 | } |
79072805 LW |
3305 | |
3306 | if (append) | |
760ac839 | 3307 | sv_catpvn(sv, (char *) buf, cnt); |
79072805 | 3308 | else |
760ac839 | 3309 | sv_setpvn(sv, (char *) buf, cnt); |
c07a80fd | 3310 | |
3311 | if (i != EOF && /* joy */ | |
3312 | (!rslen || | |
3313 | SvCUR(sv) < rslen || | |
36477c24 | 3314 | memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
79072805 LW |
3315 | { |
3316 | append = -1; | |
63e4d877 CS |
3317 | /* |
3318 | * If we're reading from a TTY and we get a short read, | |
3319 | * indicating that the user hit his EOF character, we need | |
3320 | * to notice it now, because if we try to read from the TTY | |
3321 | * again, the EOF condition will disappear. | |
3322 | * | |
3323 | * The comparison of cnt to sizeof(buf) is an optimization | |
3324 | * that prevents unnecessary calls to feof(). | |
3325 | * | |
3326 | * - jik 9/25/96 | |
3327 | */ | |
3328 | if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) | |
3329 | goto screamer2; | |
79072805 LW |
3330 | } |
3331 | } | |
3332 | ||
c07a80fd | 3333 | if (RsPARA(rs)) { /* have to do this both before and after */ |
3334 | while (i != EOF) { /* to make sure file boundaries work right */ | |
760ac839 | 3335 | i = PerlIO_getc(fp); |
79072805 | 3336 | if (i != '\n') { |
760ac839 | 3337 | PerlIO_ungetc(fp,i); |
79072805 LW |
3338 | break; |
3339 | } | |
3340 | } | |
3341 | } | |
c07a80fd | 3342 | |
a868473f NIS |
3343 | #ifdef WIN32 |
3344 | win32_strip_return(sv); | |
3345 | #endif | |
3346 | ||
c07a80fd | 3347 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; |
79072805 LW |
3348 | } |
3349 | ||
760ac839 | 3350 | |
79072805 | 3351 | void |
8ac85365 | 3352 | sv_inc(register SV *sv) |
79072805 LW |
3353 | { |
3354 | register char *d; | |
463ee0b2 | 3355 | int flags; |
79072805 LW |
3356 | |
3357 | if (!sv) | |
3358 | return; | |
ed6116ce | 3359 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3360 | if (SvREADONLY(sv)) { |
3361 | dTHR; | |
3362 | if (curcop != &compiling) | |
3363 | croak(no_modify); | |
3364 | } | |
a0d0e21e LW |
3365 | if (SvROK(sv)) { |
3366 | #ifdef OVERLOAD | |
3367 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return; | |
3368 | #endif /* OVERLOAD */ | |
3369 | sv_unref(sv); | |
3370 | } | |
ed6116ce | 3371 | } |
8990e307 | 3372 | if (SvGMAGICAL(sv)) |
79072805 | 3373 | mg_get(sv); |
8990e307 | 3374 | flags = SvFLAGS(sv); |
8990e307 | 3375 | if (flags & SVp_NOK) { |
a0d0e21e | 3376 | (void)SvNOK_only(sv); |
55497cff | 3377 | SvNVX(sv) += 1.0; |
3378 | return; | |
3379 | } | |
3380 | if (flags & SVp_IOK) { | |
3381 | if (SvIVX(sv) == IV_MAX) | |
3382 | sv_setnv(sv, (double)IV_MAX + 1.0); | |
3383 | else { | |
3384 | (void)SvIOK_only(sv); | |
3385 | ++SvIVX(sv); | |
3386 | } | |
79072805 LW |
3387 | return; |
3388 | } | |
8990e307 | 3389 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
4633a7c4 LW |
3390 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3391 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3392 | SvNVX(sv) = 1.0; |
a0d0e21e | 3393 | (void)SvNOK_only(sv); |
79072805 LW |
3394 | return; |
3395 | } | |
463ee0b2 | 3396 | d = SvPVX(sv); |
79072805 LW |
3397 | while (isALPHA(*d)) d++; |
3398 | while (isDIGIT(*d)) d++; | |
3399 | if (*d) { | |
36477c24 | 3400 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3401 | sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 LW |
3402 | return; |
3403 | } | |
3404 | d--; | |
463ee0b2 | 3405 | while (d >= SvPVX(sv)) { |
79072805 LW |
3406 | if (isDIGIT(*d)) { |
3407 | if (++*d <= '9') | |
3408 | return; | |
3409 | *(d--) = '0'; | |
3410 | } | |
3411 | else { | |
3412 | ++*d; | |
3413 | if (isALPHA(*d)) | |
3414 | return; | |
3415 | *(d--) -= 'z' - 'a' + 1; | |
3416 | } | |
3417 | } | |
3418 | /* oh,oh, the number grew */ | |
3419 | SvGROW(sv, SvCUR(sv) + 2); | |
3420 | SvCUR(sv)++; | |
463ee0b2 | 3421 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 LW |
3422 | *d = d[-1]; |
3423 | if (isDIGIT(d[1])) | |
3424 | *d = '1'; | |
3425 | else | |
3426 | *d = d[1]; | |
3427 | } | |
3428 | ||
3429 | void | |
8ac85365 | 3430 | sv_dec(register SV *sv) |
79072805 | 3431 | { |
463ee0b2 LW |
3432 | int flags; |
3433 | ||
79072805 LW |
3434 | if (!sv) |
3435 | return; | |
ed6116ce | 3436 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3437 | if (SvREADONLY(sv)) { |
3438 | dTHR; | |
3439 | if (curcop != &compiling) | |
3440 | croak(no_modify); | |
3441 | } | |
a0d0e21e LW |
3442 | if (SvROK(sv)) { |
3443 | #ifdef OVERLOAD | |
3444 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return; | |
3445 | #endif /* OVERLOAD */ | |
3446 | sv_unref(sv); | |
3447 | } | |
ed6116ce | 3448 | } |
8990e307 | 3449 | if (SvGMAGICAL(sv)) |
79072805 | 3450 | mg_get(sv); |
8990e307 | 3451 | flags = SvFLAGS(sv); |
8990e307 | 3452 | if (flags & SVp_NOK) { |
463ee0b2 | 3453 | SvNVX(sv) -= 1.0; |
a0d0e21e | 3454 | (void)SvNOK_only(sv); |
79072805 LW |
3455 | return; |
3456 | } | |
55497cff | 3457 | if (flags & SVp_IOK) { |
3458 | if (SvIVX(sv) == IV_MIN) | |
3459 | sv_setnv(sv, (double)IV_MIN - 1.0); | |
3460 | else { | |
3461 | (void)SvIOK_only(sv); | |
3462 | --SvIVX(sv); | |
3463 | } | |
3464 | return; | |
3465 | } | |
8990e307 | 3466 | if (!(flags & SVp_POK)) { |
4633a7c4 LW |
3467 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3468 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3469 | SvNVX(sv) = -1.0; |
a0d0e21e | 3470 | (void)SvNOK_only(sv); |
79072805 LW |
3471 | return; |
3472 | } | |
36477c24 | 3473 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3474 | sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */ |
79072805 LW |
3475 | } |
3476 | ||
3477 | /* Make a string that will exist for the duration of the expression | |
3478 | * evaluation. Actually, it may have to last longer than that, but | |
3479 | * hopefully we won't free it until it has been assigned to a | |
3480 | * permanent location. */ | |
3481 | ||
8990e307 | 3482 | static void |
8ac85365 | 3483 | sv_mortalgrow(void) |
8990e307 | 3484 | { |
11343788 | 3485 | dTHR; |
55497cff | 3486 | tmps_max += (tmps_max < 512) ? 128 : 512; |
8990e307 LW |
3487 | Renew(tmps_stack, tmps_max, SV*); |
3488 | } | |
3489 | ||
79072805 | 3490 | SV * |
8ac85365 | 3491 | sv_mortalcopy(SV *oldstr) |
79072805 | 3492 | { |
11343788 | 3493 | dTHR; |
463ee0b2 | 3494 | register SV *sv; |
79072805 | 3495 | |
4561caa4 | 3496 | new_SV(sv); |
8990e307 LW |
3497 | SvANY(sv) = 0; |
3498 | SvREFCNT(sv) = 1; | |
3499 | SvFLAGS(sv) = 0; | |
79072805 | 3500 | sv_setsv(sv,oldstr); |
8990e307 LW |
3501 | if (++tmps_ix >= tmps_max) |
3502 | sv_mortalgrow(); | |
3503 | tmps_stack[tmps_ix] = sv; | |
3504 | SvTEMP_on(sv); | |
3505 | return sv; | |
3506 | } | |
3507 | ||
3508 | SV * | |
8ac85365 | 3509 | sv_newmortal(void) |
8990e307 | 3510 | { |
11343788 | 3511 | dTHR; |
8990e307 LW |
3512 | register SV *sv; |
3513 | ||
4561caa4 | 3514 | new_SV(sv); |
8990e307 LW |
3515 | SvANY(sv) = 0; |
3516 | SvREFCNT(sv) = 1; | |
3517 | SvFLAGS(sv) = SVs_TEMP; | |
3518 | if (++tmps_ix >= tmps_max) | |
3519 | sv_mortalgrow(); | |
79072805 | 3520 | tmps_stack[tmps_ix] = sv; |
79072805 LW |
3521 | return sv; |
3522 | } | |
3523 | ||
3524 | /* same thing without the copying */ | |
3525 | ||
3526 | SV * | |
8ac85365 | 3527 | sv_2mortal(register SV *sv) |
79072805 | 3528 | { |
11343788 | 3529 | dTHR; |
79072805 LW |
3530 | if (!sv) |
3531 | return sv; | |
a0d0e21e LW |
3532 | if (SvREADONLY(sv) && curcop != &compiling) |
3533 | croak(no_modify); | |
8990e307 LW |
3534 | if (++tmps_ix >= tmps_max) |
3535 | sv_mortalgrow(); | |
79072805 | 3536 | tmps_stack[tmps_ix] = sv; |
8990e307 | 3537 | SvTEMP_on(sv); |
79072805 LW |
3538 | return sv; |
3539 | } | |
3540 | ||
3541 | SV * | |
8ac85365 | 3542 | newSVpv(char *s, STRLEN len) |
79072805 | 3543 | { |
463ee0b2 | 3544 | register SV *sv; |
79072805 | 3545 | |
4561caa4 | 3546 | new_SV(sv); |
8990e307 LW |
3547 | SvANY(sv) = 0; |
3548 | SvREFCNT(sv) = 1; | |
3549 | SvFLAGS(sv) = 0; | |
79072805 LW |
3550 | if (!len) |
3551 | len = strlen(s); | |
3552 | sv_setpvn(sv,s,len); | |
3553 | return sv; | |
3554 | } | |
3555 | ||
9da1e3b5 MUN |
3556 | SV * |
3557 | newSVpvn(s,len) | |
3558 | char *s; | |
3559 | STRLEN len; | |
3560 | { | |
3561 | register SV *sv; | |
3562 | ||
3563 | new_SV(sv); | |
3564 | SvANY(sv) = 0; | |
3565 | SvREFCNT(sv) = 1; | |
3566 | SvFLAGS(sv) = 0; | |
3567 | sv_setpvn(sv,s,len); | |
3568 | return sv; | |
3569 | } | |
3570 | ||
46fc3d4c | 3571 | #ifdef I_STDARG |
3572 | SV * | |
3573 | newSVpvf(const char* pat, ...) | |
3574 | #else | |
3575 | /*VARARGS0*/ | |
3576 | SV * | |
fc36a67e | 3577 | newSVpvf(pat, va_alist) |
46fc3d4c | 3578 | const char *pat; |
3579 | va_dcl | |
3580 | #endif | |
3581 | { | |
3582 | register SV *sv; | |
3583 | va_list args; | |
3584 | ||
3585 | new_SV(sv); | |
3586 | SvANY(sv) = 0; | |
3587 | SvREFCNT(sv) = 1; | |
3588 | SvFLAGS(sv) = 0; | |
3589 | #ifdef I_STDARG | |
3590 | va_start(args, pat); | |
3591 | #else | |
3592 | va_start(args); | |
3593 | #endif | |
fc36a67e | 3594 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 3595 | va_end(args); |
3596 | return sv; | |
3597 | } | |
3598 | ||
3599 | ||
79072805 | 3600 | SV * |
8ac85365 | 3601 | newSVnv(double n) |
79072805 | 3602 | { |
463ee0b2 | 3603 | register SV *sv; |
79072805 | 3604 | |
4561caa4 | 3605 | new_SV(sv); |
8990e307 LW |
3606 | SvANY(sv) = 0; |
3607 | SvREFCNT(sv) = 1; | |
3608 | SvFLAGS(sv) = 0; | |
79072805 LW |
3609 | sv_setnv(sv,n); |
3610 | return sv; | |
3611 | } | |
3612 | ||
3613 | SV * | |
8ac85365 | 3614 | newSViv(IV i) |
79072805 | 3615 | { |
463ee0b2 | 3616 | register SV *sv; |
79072805 | 3617 | |
4561caa4 | 3618 | new_SV(sv); |
8990e307 LW |
3619 | SvANY(sv) = 0; |
3620 | SvREFCNT(sv) = 1; | |
3621 | SvFLAGS(sv) = 0; | |
79072805 LW |
3622 | sv_setiv(sv,i); |
3623 | return sv; | |
3624 | } | |
3625 | ||
2304df62 | 3626 | SV * |
8ac85365 | 3627 | newRV(SV *ref) |
2304df62 | 3628 | { |
11343788 | 3629 | dTHR; |
2304df62 AD |
3630 | register SV *sv; |
3631 | ||
4561caa4 | 3632 | new_SV(sv); |
2304df62 AD |
3633 | SvANY(sv) = 0; |
3634 | SvREFCNT(sv) = 1; | |
3635 | SvFLAGS(sv) = 0; | |
3636 | sv_upgrade(sv, SVt_RV); | |
a0d0e21e | 3637 | SvTEMP_off(ref); |
2304df62 AD |
3638 | SvRV(sv) = SvREFCNT_inc(ref); |
3639 | SvROK_on(sv); | |
2304df62 AD |
3640 | return sv; |
3641 | } | |
3642 | ||
4e35701f | 3643 | |
aeea060c | 3644 | |
5f05dabc | 3645 | SV * |
aeea060c | 3646 | Perl_newRV_noinc(SV *ref) |
5f05dabc | 3647 | { |
3648 | register SV *sv; | |
3649 | ||
3650 | sv = newRV(ref); | |
3651 | SvREFCNT_dec(ref); | |
3652 | return sv; | |
3653 | } | |
5f05dabc | 3654 | |
79072805 LW |
3655 | /* make an exact duplicate of old */ |
3656 | ||
3657 | SV * | |
8ac85365 | 3658 | newSVsv(register SV *old) |
79072805 | 3659 | { |
463ee0b2 | 3660 | register SV *sv; |
79072805 LW |
3661 | |
3662 | if (!old) | |
3663 | return Nullsv; | |
8990e307 | 3664 | if (SvTYPE(old) == SVTYPEMASK) { |
79072805 LW |
3665 | warn("semi-panic: attempt to dup freed string"); |
3666 | return Nullsv; | |
3667 | } | |
4561caa4 | 3668 | new_SV(sv); |
8990e307 LW |
3669 | SvANY(sv) = 0; |
3670 | SvREFCNT(sv) = 1; | |
3671 | SvFLAGS(sv) = 0; | |
ff68c719 | 3672 | if (SvTEMP(old)) { |
3673 | SvTEMP_off(old); | |
463ee0b2 | 3674 | sv_setsv(sv,old); |
ff68c719 | 3675 | SvTEMP_on(old); |
79072805 LW |
3676 | } |
3677 | else | |
463ee0b2 LW |
3678 | sv_setsv(sv,old); |
3679 | return sv; | |
79072805 LW |
3680 | } |
3681 | ||
3682 | void | |
8ac85365 | 3683 | sv_reset(register char *s, HV *stash) |
79072805 LW |
3684 | { |
3685 | register HE *entry; | |
3686 | register GV *gv; | |
3687 | register SV *sv; | |
3688 | register I32 i; | |
3689 | register PMOP *pm; | |
3690 | register I32 max; | |
463ee0b2 | 3691 | char todo[256]; |
79072805 | 3692 | |
49d8d3a1 MB |
3693 | if (!stash) |
3694 | return; | |
3695 | ||
79072805 LW |
3696 | if (!*s) { /* reset ?? searches */ |
3697 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { | |
3698 | pm->op_pmflags &= ~PMf_USED; | |
3699 | } | |
3700 | return; | |
3701 | } | |
3702 | ||
3703 | /* reset variables */ | |
3704 | ||
3705 | if (!HvARRAY(stash)) | |
3706 | return; | |
463ee0b2 LW |
3707 | |
3708 | Zero(todo, 256, char); | |
79072805 LW |
3709 | while (*s) { |
3710 | i = *s; | |
3711 | if (s[1] == '-') { | |
3712 | s += 2; | |
3713 | } | |
3714 | max = *s++; | |
3715 | for ( ; i <= max; i++) { | |
463ee0b2 LW |
3716 | todo[i] = 1; |
3717 | } | |
a0d0e21e | 3718 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 LW |
3719 | for (entry = HvARRAY(stash)[i]; |
3720 | entry; | |
1edc1566 | 3721 | entry = HeNEXT(entry)) { |
3722 | if (!todo[(U8)*HeKEY(entry)]) | |
463ee0b2 | 3723 | continue; |
1edc1566 | 3724 | gv = (GV*)HeVAL(entry); |
79072805 | 3725 | sv = GvSV(gv); |
a0d0e21e | 3726 | (void)SvOK_off(sv); |
79072805 LW |
3727 | if (SvTYPE(sv) >= SVt_PV) { |
3728 | SvCUR_set(sv, 0); | |
463ee0b2 LW |
3729 | if (SvPVX(sv) != Nullch) |
3730 | *SvPVX(sv) = '\0'; | |
44a8e56a | 3731 | SvTAINT(sv); |
79072805 LW |
3732 | } |
3733 | if (GvAV(gv)) { | |
3734 | av_clear(GvAV(gv)); | |
3735 | } | |
44a8e56a | 3736 | if (GvHV(gv) && !HvNAME(GvHV(gv))) { |
463ee0b2 | 3737 | hv_clear(GvHV(gv)); |
a0d0e21e | 3738 | #ifndef VMS /* VMS has no environ array */ |
79072805 LW |
3739 | if (gv == envgv) |
3740 | environ[0] = Nullch; | |
a0d0e21e | 3741 | #endif |
79072805 LW |
3742 | } |
3743 | } | |
3744 | } | |
3745 | } | |
3746 | } | |
3747 | ||
46fc3d4c | 3748 | IO* |
8ac85365 | 3749 | sv_2io(SV *sv) |
46fc3d4c | 3750 | { |
3751 | IO* io; | |
3752 | GV* gv; | |
3753 | ||
3754 | switch (SvTYPE(sv)) { | |
3755 | case SVt_PVIO: | |
3756 | io = (IO*)sv; | |
3757 | break; | |
3758 | case SVt_PVGV: | |
3759 | gv = (GV*)sv; | |
3760 | io = GvIO(gv); | |
3761 | if (!io) | |
3762 | croak("Bad filehandle: %s", GvNAME(gv)); | |
3763 | break; | |
3764 | default: | |
3765 | if (!SvOK(sv)) | |
3766 | croak(no_usym, "filehandle"); | |
3767 | if (SvROK(sv)) | |
3768 | return sv_2io(SvRV(sv)); | |
3769 | gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO); | |
3770 | if (gv) | |
3771 | io = GvIO(gv); | |
3772 | else | |
3773 | io = 0; | |
3774 | if (!io) | |
3775 | croak("Bad filehandle: %s", SvPV(sv,na)); | |
3776 | break; | |
3777 | } | |
3778 | return io; | |
3779 | } | |
3780 | ||
79072805 | 3781 | CV * |
8ac85365 | 3782 | sv_2cv(SV *sv, HV **st, GV **gvp, I32 lref) |
79072805 LW |
3783 | { |
3784 | GV *gv; | |
3785 | CV *cv; | |
3786 | ||
3787 | if (!sv) | |
93a17b20 | 3788 | return *gvp = Nullgv, Nullcv; |
79072805 | 3789 | switch (SvTYPE(sv)) { |
79072805 LW |
3790 | case SVt_PVCV: |
3791 | *st = CvSTASH(sv); | |
3792 | *gvp = Nullgv; | |
3793 | return (CV*)sv; | |
3794 | case SVt_PVHV: | |
3795 | case SVt_PVAV: | |
3796 | *gvp = Nullgv; | |
3797 | return Nullcv; | |
8990e307 LW |
3798 | case SVt_PVGV: |
3799 | gv = (GV*)sv; | |
a0d0e21e | 3800 | *gvp = gv; |
8990e307 LW |
3801 | *st = GvESTASH(gv); |
3802 | goto fix_gv; | |
3803 | ||
79072805 | 3804 | default: |
a0d0e21e LW |
3805 | if (SvGMAGICAL(sv)) |
3806 | mg_get(sv); | |
3807 | if (SvROK(sv)) { | |
3808 | cv = (CV*)SvRV(sv); | |
3809 | if (SvTYPE(cv) != SVt_PVCV) | |
3810 | croak("Not a subroutine reference"); | |
3811 | *gvp = Nullgv; | |
3812 | *st = CvSTASH(cv); | |
3813 | return cv; | |
3814 | } | |
79072805 LW |
3815 | if (isGV(sv)) |
3816 | gv = (GV*)sv; | |
3817 | else | |
85e6fe83 | 3818 | gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV); |
79072805 LW |
3819 | *gvp = gv; |
3820 | if (!gv) | |
3821 | return Nullcv; | |
3822 | *st = GvESTASH(gv); | |
8990e307 | 3823 | fix_gv: |
8ebc5c01 | 3824 | if (lref && !GvCVu(gv)) { |
4633a7c4 | 3825 | SV *tmpsv; |
748a9306 | 3826 | ENTER; |
4633a7c4 | 3827 | tmpsv = NEWSV(704,0); |
16660edb | 3828 | gv_efullname3(tmpsv, gv, Nullch); |
774d564b | 3829 | newSUB(start_subparse(FALSE, 0), |
4633a7c4 LW |
3830 | newSVOP(OP_CONST, 0, tmpsv), |
3831 | Nullop, | |
8990e307 | 3832 | Nullop); |
748a9306 | 3833 | LEAVE; |
8ebc5c01 | 3834 | if (!GvCVu(gv)) |
4633a7c4 | 3835 | croak("Unable to create sub named \"%s\"", SvPV(sv,na)); |
8990e307 | 3836 | } |
8ebc5c01 | 3837 | return GvCVu(gv); |
79072805 LW |
3838 | } |
3839 | } | |
3840 | ||
79072805 | 3841 | I32 |
4e35701f | 3842 | sv_true(register SV *sv) |
79072805 | 3843 | { |
4e35701f | 3844 | dTHR; |
8990e307 LW |
3845 | if (!sv) |
3846 | return 0; | |
79072805 | 3847 | if (SvPOK(sv)) { |
4e35701f NIS |
3848 | register XPV* tXpv; |
3849 | if ((tXpv = (XPV*)SvANY(sv)) && | |
3850 | (*tXpv->xpv_pv > '0' || | |
3851 | tXpv->xpv_cur > 1 || | |
3852 | (tXpv->xpv_cur && *tXpv->xpv_pv != '0'))) | |
79072805 LW |
3853 | return 1; |
3854 | else | |
3855 | return 0; | |
3856 | } | |
3857 | else { | |
3858 | if (SvIOK(sv)) | |
463ee0b2 | 3859 | return SvIVX(sv) != 0; |
79072805 LW |
3860 | else { |
3861 | if (SvNOK(sv)) | |
463ee0b2 | 3862 | return SvNVX(sv) != 0.0; |
79072805 | 3863 | else |
463ee0b2 | 3864 | return sv_2bool(sv); |
79072805 LW |
3865 | } |
3866 | } | |
3867 | } | |
79072805 | 3868 | |
ff68c719 | 3869 | IV |
4e35701f | 3870 | sv_iv(register SV *sv) |
85e6fe83 | 3871 | { |
ff68c719 | 3872 | if (SvIOK(sv)) |
3873 | return SvIVX(sv); | |
3874 | return sv_2iv(sv); | |
85e6fe83 | 3875 | } |
85e6fe83 | 3876 | |
ff68c719 | 3877 | UV |
4e35701f | 3878 | sv_uv(register SV *sv) |
ff68c719 | 3879 | { |
3880 | if (SvIOK(sv)) | |
3881 | return SvUVX(sv); | |
3882 | return sv_2uv(sv); | |
3883 | } | |
85e6fe83 | 3884 | |
ff68c719 | 3885 | double |
4e35701f | 3886 | sv_nv(register SV *sv) |
79072805 | 3887 | { |
ff68c719 | 3888 | if (SvNOK(sv)) |
3889 | return SvNVX(sv); | |
3890 | return sv_2nv(sv); | |
79072805 | 3891 | } |
79072805 | 3892 | |
79072805 | 3893 | char * |
8ac85365 | 3894 | sv_pvn(SV *sv, STRLEN *lp) |
79072805 | 3895 | { |
85e6fe83 LW |
3896 | if (SvPOK(sv)) { |
3897 | *lp = SvCUR(sv); | |
a0d0e21e | 3898 | return SvPVX(sv); |
85e6fe83 | 3899 | } |
463ee0b2 | 3900 | return sv_2pv(sv, lp); |
79072805 | 3901 | } |
79072805 | 3902 | |
a0d0e21e | 3903 | char * |
8ac85365 | 3904 | sv_pvn_force(SV *sv, STRLEN *lp) |
a0d0e21e LW |
3905 | { |
3906 | char *s; | |
3907 | ||
0f15f207 MB |
3908 | if (SvREADONLY(sv)) { |
3909 | dTHR; | |
3910 | if (curcop != &compiling) | |
3911 | croak(no_modify); | |
3912 | } | |
a0d0e21e LW |
3913 | |
3914 | if (SvPOK(sv)) { | |
3915 | *lp = SvCUR(sv); | |
3916 | } | |
3917 | else { | |
748a9306 | 3918 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
4633a7c4 | 3919 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) { |
a0d0e21e | 3920 | sv_unglob(sv); |
4633a7c4 LW |
3921 | s = SvPVX(sv); |
3922 | *lp = SvCUR(sv); | |
3923 | } | |
11343788 MB |
3924 | else { |
3925 | dTHR; | |
a0d0e21e LW |
3926 | croak("Can't coerce %s to string in %s", sv_reftype(sv,0), |
3927 | op_name[op->op_type]); | |
11343788 | 3928 | } |
a0d0e21e | 3929 | } |
4633a7c4 LW |
3930 | else |
3931 | s = sv_2pv(sv, lp); | |
a0d0e21e LW |
3932 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
3933 | STRLEN len = *lp; | |
3934 | ||
3935 | if (SvROK(sv)) | |
3936 | sv_unref(sv); | |
3937 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ | |
3938 | SvGROW(sv, len + 1); | |
3939 | Move(s,SvPVX(sv),len,char); | |
3940 | SvCUR_set(sv, len); | |
3941 | *SvEND(sv) = '\0'; | |
3942 | } | |
3943 | if (!SvPOK(sv)) { | |
3944 | SvPOK_on(sv); /* validate pointer */ | |
3945 | SvTAINT(sv); | |
760ac839 | 3946 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", |
a0d0e21e LW |
3947 | (unsigned long)sv,SvPVX(sv))); |
3948 | } | |
3949 | } | |
3950 | return SvPVX(sv); | |
3951 | } | |
3952 | ||
3953 | char * | |
8ac85365 | 3954 | sv_reftype(SV *sv, int ob) |
a0d0e21e LW |
3955 | { |
3956 | if (ob && SvOBJECT(sv)) | |
3957 | return HvNAME(SvSTASH(sv)); | |
3958 | else { | |
3959 | switch (SvTYPE(sv)) { | |
3960 | case SVt_NULL: | |
3961 | case SVt_IV: | |
3962 | case SVt_NV: | |
3963 | case SVt_RV: | |
3964 | case SVt_PV: | |
3965 | case SVt_PVIV: | |
3966 | case SVt_PVNV: | |
3967 | case SVt_PVMG: | |
3968 | case SVt_PVBM: | |
3969 | if (SvROK(sv)) | |
3970 | return "REF"; | |
3971 | else | |
3972 | return "SCALAR"; | |
3973 | case SVt_PVLV: return "LVALUE"; | |
3974 | case SVt_PVAV: return "ARRAY"; | |
3975 | case SVt_PVHV: return "HASH"; | |
3976 | case SVt_PVCV: return "CODE"; | |
3977 | case SVt_PVGV: return "GLOB"; | |
3978 | case SVt_PVFM: return "FORMLINE"; | |
3979 | default: return "UNKNOWN"; | |
3980 | } | |
3981 | } | |
3982 | } | |
3983 | ||
463ee0b2 | 3984 | int |
8ac85365 | 3985 | sv_isobject(SV *sv) |
85e6fe83 | 3986 | { |
68dc0745 | 3987 | if (!sv) |
3988 | return 0; | |
3989 | if (SvGMAGICAL(sv)) | |
3990 | mg_get(sv); | |
85e6fe83 LW |
3991 | if (!SvROK(sv)) |
3992 | return 0; | |
3993 | sv = (SV*)SvRV(sv); | |
3994 | if (!SvOBJECT(sv)) | |
3995 | return 0; | |
3996 | return 1; | |
3997 | } | |
3998 | ||
3999 | int | |
8ac85365 | 4000 | sv_isa(SV *sv, char *name) |
463ee0b2 | 4001 | { |
68dc0745 | 4002 | if (!sv) |
4003 | return 0; | |
4004 | if (SvGMAGICAL(sv)) | |
4005 | mg_get(sv); | |
ed6116ce | 4006 | if (!SvROK(sv)) |
463ee0b2 | 4007 | return 0; |
ed6116ce LW |
4008 | sv = (SV*)SvRV(sv); |
4009 | if (!SvOBJECT(sv)) | |
463ee0b2 LW |
4010 | return 0; |
4011 | ||
4012 | return strEQ(HvNAME(SvSTASH(sv)), name); | |
4013 | } | |
4014 | ||
4015 | SV* | |
8ac85365 | 4016 | newSVrv(SV *rv, char *classname) |
463ee0b2 | 4017 | { |
11343788 | 4018 | dTHR; |
463ee0b2 LW |
4019 | SV *sv; |
4020 | ||
4561caa4 | 4021 | new_SV(sv); |
8990e307 | 4022 | SvANY(sv) = 0; |
a0d0e21e | 4023 | SvREFCNT(sv) = 0; |
8990e307 | 4024 | SvFLAGS(sv) = 0; |
51cf62d8 | 4025 | |
2213622d | 4026 | SV_CHECK_THINKFIRST(rv); |
51cf62d8 OT |
4027 | #ifdef OVERLOAD |
4028 | SvAMAGIC_off(rv); | |
4029 | #endif /* OVERLOAD */ | |
4030 | ||
4031 | if (SvTYPE(rv) < SVt_RV) | |
4032 | sv_upgrade(rv, SVt_RV); | |
4033 | ||
4034 | (void)SvOK_off(rv); | |
8990e307 | 4035 | SvRV(rv) = SvREFCNT_inc(sv); |
ed6116ce | 4036 | SvROK_on(rv); |
463ee0b2 | 4037 | |
a0d0e21e LW |
4038 | if (classname) { |
4039 | HV* stash = gv_stashpv(classname, TRUE); | |
4040 | (void)sv_bless(rv, stash); | |
4041 | } | |
4042 | return sv; | |
4043 | } | |
4044 | ||
4045 | SV* | |
8ac85365 | 4046 | sv_setref_pv(SV *rv, char *classname, void *pv) |
a0d0e21e | 4047 | { |
189b2af5 | 4048 | if (!pv) { |
a0d0e21e | 4049 | sv_setsv(rv, &sv_undef); |
189b2af5 GS |
4050 | SvSETMAGIC(rv); |
4051 | } | |
a0d0e21e LW |
4052 | else |
4053 | sv_setiv(newSVrv(rv,classname), (IV)pv); | |
4054 | return rv; | |
4055 | } | |
4056 | ||
4057 | SV* | |
8ac85365 | 4058 | sv_setref_iv(SV *rv, char *classname, IV iv) |
a0d0e21e LW |
4059 | { |
4060 | sv_setiv(newSVrv(rv,classname), iv); | |
4061 | return rv; | |
4062 | } | |
4063 | ||
4064 | SV* | |
8ac85365 | 4065 | sv_setref_nv(SV *rv, char *classname, double nv) |
a0d0e21e LW |
4066 | { |
4067 | sv_setnv(newSVrv(rv,classname), nv); | |
4068 | return rv; | |
4069 | } | |
463ee0b2 | 4070 | |
a0d0e21e | 4071 | SV* |
8ac85365 | 4072 | sv_setref_pvn(SV *rv, char *classname, char *pv, I32 n) |
a0d0e21e LW |
4073 | { |
4074 | sv_setpvn(newSVrv(rv,classname), pv, n); | |
463ee0b2 LW |
4075 | return rv; |
4076 | } | |
4077 | ||
a0d0e21e | 4078 | SV* |
8ac85365 | 4079 | sv_bless(SV *sv, HV *stash) |
a0d0e21e | 4080 | { |
11343788 | 4081 | dTHR; |
a0d0e21e LW |
4082 | SV *ref; |
4083 | if (!SvROK(sv)) | |
4084 | croak("Can't bless non-reference value"); | |
4085 | ref = SvRV(sv); | |
4086 | if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) { | |
4087 | if (SvREADONLY(ref)) | |
4088 | croak(no_modify); | |
2e3febc6 CS |
4089 | if (SvOBJECT(ref)) { |
4090 | if (SvTYPE(ref) != SVt_PVIO) | |
4091 | --sv_objcount; | |
4092 | SvREFCNT_dec(SvSTASH(ref)); | |
4093 | } | |
a0d0e21e LW |
4094 | } |
4095 | SvOBJECT_on(ref); | |
2e3febc6 CS |
4096 | if (SvTYPE(ref) != SVt_PVIO) |
4097 | ++sv_objcount; | |
a0d0e21e LW |
4098 | (void)SvUPGRADE(ref, SVt_PVMG); |
4099 | SvSTASH(ref) = (HV*)SvREFCNT_inc(stash); | |
4100 | ||
4101 | #ifdef OVERLOAD | |
2e3febc6 CS |
4102 | if (Gv_AMG(stash)) |
4103 | SvAMAGIC_on(sv); | |
4104 | else | |
4105 | SvAMAGIC_off(sv); | |
a0d0e21e LW |
4106 | #endif /* OVERLOAD */ |
4107 | ||
4108 | return sv; | |
4109 | } | |
4110 | ||
4111 | static void | |
8ac85365 | 4112 | sv_unglob(SV *sv) |
a0d0e21e LW |
4113 | { |
4114 | assert(SvTYPE(sv) == SVt_PVGV); | |
4115 | SvFAKE_off(sv); | |
4116 | if (GvGP(sv)) | |
1edc1566 | 4117 | gp_free((GV*)sv); |
a0d0e21e LW |
4118 | sv_unmagic(sv, '*'); |
4119 | Safefree(GvNAME(sv)); | |
a5f75d66 | 4120 | GvMULTI_off(sv); |
a0d0e21e LW |
4121 | SvFLAGS(sv) &= ~SVTYPEMASK; |
4122 | SvFLAGS(sv) |= SVt_PVMG; | |
4123 | } | |
4124 | ||
ed6116ce | 4125 | void |
8ac85365 | 4126 | sv_unref(SV *sv) |
ed6116ce | 4127 | { |
a0d0e21e LW |
4128 | SV* rv = SvRV(sv); |
4129 | ||
ed6116ce LW |
4130 | SvRV(sv) = 0; |
4131 | SvROK_off(sv); | |
4633a7c4 LW |
4132 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
4133 | SvREFCNT_dec(rv); | |
8e07c86e | 4134 | else |
4633a7c4 | 4135 | sv_2mortal(rv); /* Schedule for freeing later */ |
ed6116ce | 4136 | } |
8990e307 | 4137 | |
bbce6d69 | 4138 | void |
8ac85365 | 4139 | sv_taint(SV *sv) |
bbce6d69 | 4140 | { |
4141 | sv_magic((sv), Nullsv, 't', Nullch, 0); | |
4142 | } | |
4143 | ||
4144 | void | |
8ac85365 | 4145 | sv_untaint(SV *sv) |
bbce6d69 | 4146 | { |
13f57bf8 | 4147 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4148 | MAGIC *mg = mg_find(sv, 't'); |
4149 | if (mg) | |
4150 | mg->mg_len &= ~1; | |
4151 | } | |
bbce6d69 | 4152 | } |
4153 | ||
4154 | bool | |
8ac85365 | 4155 | sv_tainted(SV *sv) |
bbce6d69 | 4156 | { |
13f57bf8 | 4157 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4158 | MAGIC *mg = mg_find(sv, 't'); |
4159 | if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) | |
4160 | return TRUE; | |
4161 | } | |
4162 | return FALSE; | |
bbce6d69 | 4163 | } |
4164 | ||
84902520 | 4165 | void |
8ac85365 | 4166 | sv_setpviv(SV *sv, IV iv) |
84902520 TB |
4167 | { |
4168 | STRLEN len; | |
4169 | char buf[TYPE_DIGITS(UV)]; | |
4170 | char *ptr = buf + sizeof(buf); | |
4171 | int sign; | |
4172 | UV uv; | |
4173 | char *p; | |
84902520 TB |
4174 | |
4175 | sv_setpvn(sv, "", 0); | |
4176 | if (iv >= 0) { | |
4177 | uv = iv; | |
4178 | sign = 0; | |
4179 | } else { | |
4180 | uv = -iv; | |
4181 | sign = 1; | |
4182 | } | |
4183 | do { | |
4184 | *--ptr = '0' + (uv % 10); | |
4185 | } while (uv /= 10); | |
4186 | len = (buf + sizeof(buf)) - ptr; | |
4187 | /* taking advantage of SvCUR(sv) == 0 */ | |
4188 | SvGROW(sv, sign + len + 1); | |
4189 | p = SvPVX(sv); | |
4190 | if (sign) | |
4191 | *p++ = '-'; | |
4192 | memcpy(p, ptr, len); | |
4193 | p += len; | |
4194 | *p = '\0'; | |
4195 | SvCUR(sv) = p - SvPVX(sv); | |
4196 | } | |
4197 | ||
ef50df4b GS |
4198 | |
4199 | void | |
4200 | sv_setpviv_mg(SV *sv, IV iv) | |
4201 | { | |
4202 | sv_setpviv(sv,iv); | |
4203 | SvSETMAGIC(sv); | |
4204 | } | |
4205 | ||
46fc3d4c | 4206 | #ifdef I_STDARG |
4207 | void | |
4208 | sv_setpvf(SV *sv, const char* pat, ...) | |
4209 | #else | |
4210 | /*VARARGS0*/ | |
4211 | void | |
4212 | sv_setpvf(sv, pat, va_alist) | |
4213 | SV *sv; | |
4214 | const char *pat; | |
4215 | va_dcl | |
4216 | #endif | |
4217 | { | |
4218 | va_list args; | |
4219 | #ifdef I_STDARG | |
4220 | va_start(args, pat); | |
4221 | #else | |
4222 | va_start(args); | |
4223 | #endif | |
fc36a67e | 4224 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4225 | va_end(args); |
4226 | } | |
4227 | ||
ef50df4b GS |
4228 | |
4229 | #ifdef I_STDARG | |
4230 | void | |
4231 | sv_setpvf_mg(SV *sv, const char* pat, ...) | |
4232 | #else | |
4233 | /*VARARGS0*/ | |
4234 | void | |
4235 | sv_setpvf_mg(sv, pat, va_alist) | |
4236 | SV *sv; | |
4237 | const char *pat; | |
4238 | va_dcl | |
4239 | #endif | |
4240 | { | |
4241 | va_list args; | |
4242 | #ifdef I_STDARG | |
4243 | va_start(args, pat); | |
4244 | #else | |
4245 | va_start(args); | |
4246 | #endif | |
4247 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); | |
4248 | va_end(args); | |
4249 | SvSETMAGIC(sv); | |
4250 | } | |
4251 | ||
46fc3d4c | 4252 | #ifdef I_STDARG |
4253 | void | |
4254 | sv_catpvf(SV *sv, const char* pat, ...) | |
4255 | #else | |
4256 | /*VARARGS0*/ | |
4257 | void | |
4258 | sv_catpvf(sv, pat, va_alist) | |
4259 | SV *sv; | |
4260 | const char *pat; | |
4261 | va_dcl | |
4262 | #endif | |
4263 | { | |
4264 | va_list args; | |
4265 | #ifdef I_STDARG | |
4266 | va_start(args, pat); | |
4267 | #else | |
4268 | va_start(args); | |
4269 | #endif | |
fc36a67e | 4270 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4271 | va_end(args); |
4272 | } | |
4273 | ||
ef50df4b GS |
4274 | #ifdef I_STDARG |
4275 | void | |
4276 | sv_catpvf_mg(SV *sv, const char* pat, ...) | |
4277 | #else | |
4278 | /*VARARGS0*/ | |
4279 | void | |
4280 | sv_catpvf_mg(sv, pat, va_alist) | |
4281 | SV *sv; | |
4282 | const char *pat; | |
4283 | va_dcl | |
4284 | #endif | |
4285 | { | |
4286 | va_list args; | |
4287 | #ifdef I_STDARG | |
4288 | va_start(args, pat); | |
4289 | #else | |
4290 | va_start(args); | |
4291 | #endif | |
4292 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); | |
4293 | va_end(args); | |
4294 | SvSETMAGIC(sv); | |
4295 | } | |
4296 | ||
46fc3d4c | 4297 | void |
ad8d18a8 | 4298 | sv_vsetpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4299 | { |
4300 | sv_setpvn(sv, "", 0); | |
4301 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale); | |
4302 | } | |
4303 | ||
4304 | void | |
ad8d18a8 | 4305 | sv_vcatpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4306 | { |
e858de61 | 4307 | dTHR; |
46fc3d4c | 4308 | char *p; |
4309 | char *q; | |
4310 | char *patend; | |
fc36a67e | 4311 | STRLEN origlen; |
46fc3d4c | 4312 | I32 svix = 0; |
c635e13b | 4313 | static char nullstr[] = "(null)"; |
46fc3d4c | 4314 | |
4315 | /* no matter what, this is a string now */ | |
fc36a67e | 4316 | (void)SvPV_force(sv, origlen); |
46fc3d4c | 4317 | |
fc36a67e | 4318 | /* special-case "", "%s", and "%_" */ |
46fc3d4c | 4319 | if (patlen == 0) |
4320 | return; | |
fc36a67e | 4321 | if (patlen == 2 && pat[0] == '%') { |
4322 | switch (pat[1]) { | |
4323 | case 's': | |
c635e13b | 4324 | if (args) { |
4325 | char *s = va_arg(*args, char*); | |
4326 | sv_catpv(sv, s ? s : nullstr); | |
4327 | } | |
fc36a67e | 4328 | else if (svix < svmax) |
4329 | sv_catsv(sv, *svargs); | |
4330 | return; | |
4331 | case '_': | |
4332 | if (args) { | |
4333 | sv_catsv(sv, va_arg(*args, SV*)); | |
4334 | return; | |
4335 | } | |
4336 | /* See comment on '_' below */ | |
4337 | break; | |
4338 | } | |
46fc3d4c | 4339 | } |
4340 | ||
4341 | patend = (char*)pat + patlen; | |
4342 | for (p = (char*)pat; p < patend; p = q) { | |
4343 | bool alt = FALSE; | |
4344 | bool left = FALSE; | |
4345 | char fill = ' '; | |
4346 | char plus = 0; | |
4347 | char intsize = 0; | |
4348 | STRLEN width = 0; | |
fc36a67e | 4349 | STRLEN zeros = 0; |
46fc3d4c | 4350 | bool has_precis = FALSE; |
4351 | STRLEN precis = 0; | |
4352 | ||
4353 | char esignbuf[4]; | |
4354 | STRLEN esignlen = 0; | |
4355 | ||
4356 | char *eptr = Nullch; | |
fc36a67e | 4357 | STRLEN elen = 0; |
4358 | char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */ | |
46fc3d4c | 4359 | |
4360 | static char *efloatbuf = Nullch; | |
4361 | static STRLEN efloatsize = 0; | |
4362 | ||
4363 | char c; | |
4364 | int i; | |
4365 | unsigned base; | |
4366 | IV iv; | |
4367 | UV uv; | |
4368 | double nv; | |
4369 | STRLEN have; | |
4370 | STRLEN need; | |
4371 | STRLEN gap; | |
4372 | ||
4373 | for (q = p; q < patend && *q != '%'; ++q) ; | |
4374 | if (q > p) { | |
4375 | sv_catpvn(sv, p, q - p); | |
4376 | p = q; | |
4377 | } | |
4378 | if (q++ >= patend) | |
4379 | break; | |
4380 | ||
fc36a67e | 4381 | /* FLAGS */ |
4382 | ||
46fc3d4c | 4383 | while (*q) { |
4384 | switch (*q) { | |
4385 | case ' ': | |
4386 | case '+': | |
4387 | plus = *q++; | |
4388 | continue; | |
4389 | ||
4390 | case '-': | |
4391 | left = TRUE; | |
4392 | q++; | |
4393 | continue; | |
4394 | ||
4395 | case '0': | |
4396 | fill = *q++; | |
4397 | continue; | |
4398 | ||
4399 | case '#': | |
4400 | alt = TRUE; | |
4401 | q++; | |
4402 | continue; | |
4403 | ||
fc36a67e | 4404 | default: |
4405 | break; | |
4406 | } | |
4407 | break; | |
4408 | } | |
46fc3d4c | 4409 | |
fc36a67e | 4410 | /* WIDTH */ |
4411 | ||
4412 | switch (*q) { | |
4413 | case '1': case '2': case '3': | |
4414 | case '4': case '5': case '6': | |
4415 | case '7': case '8': case '9': | |
4416 | width = 0; | |
4417 | while (isDIGIT(*q)) | |
4418 | width = width * 10 + (*q++ - '0'); | |
4419 | break; | |
4420 | ||
4421 | case '*': | |
4422 | if (args) | |
4423 | i = va_arg(*args, int); | |
4424 | else | |
4425 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4426 | left |= (i < 0); | |
4427 | width = (i < 0) ? -i : i; | |
4428 | q++; | |
4429 | break; | |
4430 | } | |
4431 | ||
4432 | /* PRECISION */ | |
46fc3d4c | 4433 | |
fc36a67e | 4434 | if (*q == '.') { |
4435 | q++; | |
4436 | if (*q == '*') { | |
46fc3d4c | 4437 | if (args) |
4438 | i = va_arg(*args, int); | |
4439 | else | |
4440 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
fc36a67e | 4441 | precis = (i < 0) ? 0 : i; |
46fc3d4c | 4442 | q++; |
fc36a67e | 4443 | } |
4444 | else { | |
4445 | precis = 0; | |
4446 | while (isDIGIT(*q)) | |
4447 | precis = precis * 10 + (*q++ - '0'); | |
4448 | } | |
4449 | has_precis = TRUE; | |
4450 | } | |
46fc3d4c | 4451 | |
fc36a67e | 4452 | /* SIZE */ |
46fc3d4c | 4453 | |
fc36a67e | 4454 | switch (*q) { |
4455 | case 'l': | |
4456 | #if 0 /* when quads have better support within Perl */ | |
4457 | if (*(q + 1) == 'l') { | |
4458 | intsize = 'q'; | |
4459 | q += 2; | |
46fc3d4c | 4460 | break; |
4461 | } | |
fc36a67e | 4462 | #endif |
4463 | /* FALL THROUGH */ | |
4464 | case 'h': | |
4465 | case 'V': | |
4466 | intsize = *q++; | |
46fc3d4c | 4467 | break; |
4468 | } | |
4469 | ||
fc36a67e | 4470 | /* CONVERSION */ |
4471 | ||
46fc3d4c | 4472 | switch (c = *q++) { |
4473 | ||
4474 | /* STRINGS */ | |
4475 | ||
4476 | case '%': | |
4477 | eptr = q - 1; | |
4478 | elen = 1; | |
4479 | goto string; | |
4480 | ||
4481 | case 'c': | |
4482 | if (args) | |
4483 | c = va_arg(*args, int); | |
4484 | else | |
4485 | c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4486 | eptr = &c; | |
4487 | elen = 1; | |
4488 | goto string; | |
4489 | ||
46fc3d4c | 4490 | case 's': |
4491 | if (args) { | |
fc36a67e | 4492 | eptr = va_arg(*args, char*); |
c635e13b | 4493 | if (eptr) |
4494 | elen = strlen(eptr); | |
4495 | else { | |
4496 | eptr = nullstr; | |
4497 | elen = sizeof nullstr - 1; | |
4498 | } | |
46fc3d4c | 4499 | } |
4500 | else if (svix < svmax) | |
4501 | eptr = SvPVx(svargs[svix++], elen); | |
4502 | goto string; | |
4503 | ||
fc36a67e | 4504 | case '_': |
4505 | /* | |
4506 | * The "%_" hack might have to be changed someday, | |
4507 | * if ISO or ANSI decide to use '_' for something. | |
4508 | * So we keep it hidden from users' code. | |
4509 | */ | |
4510 | if (!args) | |
4511 | goto unknown; | |
4512 | eptr = SvPVx(va_arg(*args, SV*), elen); | |
4513 | ||
46fc3d4c | 4514 | string: |
4515 | if (has_precis && elen > precis) | |
4516 | elen = precis; | |
4517 | break; | |
4518 | ||
4519 | /* INTEGERS */ | |
4520 | ||
fc36a67e | 4521 | case 'p': |
4522 | if (args) | |
4523 | uv = (UV)va_arg(*args, void*); | |
4524 | else | |
4525 | uv = (svix < svmax) ? (UV)svargs[svix++] : 0; | |
4526 | base = 16; | |
4527 | goto integer; | |
4528 | ||
46fc3d4c | 4529 | case 'D': |
4530 | intsize = 'l'; | |
4531 | /* FALL THROUGH */ | |
4532 | case 'd': | |
4533 | case 'i': | |
4534 | if (args) { | |
4535 | switch (intsize) { | |
4536 | case 'h': iv = (short)va_arg(*args, int); break; | |
4537 | default: iv = va_arg(*args, int); break; | |
4538 | case 'l': iv = va_arg(*args, long); break; | |
fc36a67e | 4539 | case 'V': iv = va_arg(*args, IV); break; |
46fc3d4c | 4540 | } |
4541 | } | |
4542 | else { | |
4543 | iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4544 | switch (intsize) { | |
4545 | case 'h': iv = (short)iv; break; | |
4546 | default: iv = (int)iv; break; | |
4547 | case 'l': iv = (long)iv; break; | |
fc36a67e | 4548 | case 'V': break; |
46fc3d4c | 4549 | } |
4550 | } | |
4551 | if (iv >= 0) { | |
4552 | uv = iv; | |
4553 | if (plus) | |
4554 | esignbuf[esignlen++] = plus; | |
4555 | } | |
4556 | else { | |
4557 | uv = -iv; | |
4558 | esignbuf[esignlen++] = '-'; | |
4559 | } | |
4560 | base = 10; | |
4561 | goto integer; | |
4562 | ||
fc36a67e | 4563 | case 'U': |
4564 | intsize = 'l'; | |
4565 | /* FALL THROUGH */ | |
4566 | case 'u': | |
4567 | base = 10; | |
4568 | goto uns_integer; | |
4569 | ||
46fc3d4c | 4570 | case 'O': |
4571 | intsize = 'l'; | |
4572 | /* FALL THROUGH */ | |
4573 | case 'o': | |
4574 | base = 8; | |
4575 | goto uns_integer; | |
4576 | ||
4577 | case 'X': | |
46fc3d4c | 4578 | case 'x': |
4579 | base = 16; | |
46fc3d4c | 4580 | |
4581 | uns_integer: | |
4582 | if (args) { | |
4583 | switch (intsize) { | |
4584 | case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; | |
4585 | default: uv = va_arg(*args, unsigned); break; | |
4586 | case 'l': uv = va_arg(*args, unsigned long); break; | |
fc36a67e | 4587 | case 'V': uv = va_arg(*args, UV); break; |
46fc3d4c | 4588 | } |
4589 | } | |
4590 | else { | |
4591 | uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; | |
4592 | switch (intsize) { | |
4593 | case 'h': uv = (unsigned short)uv; break; | |
4594 | default: uv = (unsigned)uv; break; | |
4595 | case 'l': uv = (unsigned long)uv; break; | |
fc36a67e | 4596 | case 'V': break; |
46fc3d4c | 4597 | } |
4598 | } | |
4599 | ||
4600 | integer: | |
46fc3d4c | 4601 | eptr = ebuf + sizeof ebuf; |
fc36a67e | 4602 | switch (base) { |
4603 | unsigned dig; | |
4604 | case 16: | |
c10ed8b9 HS |
4605 | if (!uv) |
4606 | alt = FALSE; | |
fc36a67e | 4607 | p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef"; |
4608 | do { | |
4609 | dig = uv & 15; | |
4610 | *--eptr = p[dig]; | |
4611 | } while (uv >>= 4); | |
4612 | if (alt) { | |
46fc3d4c | 4613 | esignbuf[esignlen++] = '0'; |
fc36a67e | 4614 | esignbuf[esignlen++] = c; /* 'x' or 'X' */ |
46fc3d4c | 4615 | } |
fc36a67e | 4616 | break; |
4617 | case 8: | |
4618 | do { | |
4619 | dig = uv & 7; | |
4620 | *--eptr = '0' + dig; | |
4621 | } while (uv >>= 3); | |
4622 | if (alt && *eptr != '0') | |
4623 | *--eptr = '0'; | |
4624 | break; | |
4625 | default: /* it had better be ten or less */ | |
4626 | do { | |
4627 | dig = uv % base; | |
4628 | *--eptr = '0' + dig; | |
4629 | } while (uv /= base); | |
4630 | break; | |
46fc3d4c | 4631 | } |
4632 | elen = (ebuf + sizeof ebuf) - eptr; | |
c10ed8b9 HS |
4633 | if (has_precis) { |
4634 | if (precis > elen) | |
4635 | zeros = precis - elen; | |
4636 | else if (precis == 0 && elen == 1 && *eptr == '0') | |
4637 | elen = 0; | |
4638 | } | |
46fc3d4c | 4639 | break; |
4640 | ||
4641 | /* FLOATING POINT */ | |
4642 | ||
fc36a67e | 4643 | case 'F': |
4644 | c = 'f'; /* maybe %F isn't supported here */ | |
4645 | /* FALL THROUGH */ | |
46fc3d4c | 4646 | case 'e': case 'E': |
fc36a67e | 4647 | case 'f': |
46fc3d4c | 4648 | case 'g': case 'G': |
4649 | ||
4650 | /* This is evil, but floating point is even more evil */ | |
4651 | ||
fc36a67e | 4652 | if (args) |
4653 | nv = va_arg(*args, double); | |
4654 | else | |
4655 | nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; | |
4656 | ||
4657 | need = 0; | |
4658 | if (c != 'e' && c != 'E') { | |
4659 | i = PERL_INT_MIN; | |
4660 | (void)frexp(nv, &i); | |
4661 | if (i == PERL_INT_MIN) | |
c635e13b | 4662 | die("panic: frexp"); |
4663 | if (i > 0) | |
fc36a67e | 4664 | need = BIT_DIGITS(i); |
4665 | } | |
4666 | need += has_precis ? precis : 6; /* known default */ | |
4667 | if (need < width) | |
4668 | need = width; | |
4669 | ||
46fc3d4c | 4670 | need += 20; /* fudge factor */ |
4671 | if (efloatsize < need) { | |
4672 | Safefree(efloatbuf); | |
4673 | efloatsize = need + 20; /* more fudge */ | |
4674 | New(906, efloatbuf, efloatsize, char); | |
4675 | } | |
4676 | ||
4677 | eptr = ebuf + sizeof ebuf; | |
4678 | *--eptr = '\0'; | |
4679 | *--eptr = c; | |
4680 | if (has_precis) { | |
4681 | base = precis; | |
4682 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4683 | *--eptr = '.'; | |
4684 | } | |
4685 | if (width) { | |
4686 | base = width; | |
4687 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4688 | } | |
4689 | if (fill == '0') | |
4690 | *--eptr = fill; | |
84902520 TB |
4691 | if (left) |
4692 | *--eptr = '-'; | |
46fc3d4c | 4693 | if (plus) |
4694 | *--eptr = plus; | |
4695 | if (alt) | |
4696 | *--eptr = '#'; | |
4697 | *--eptr = '%'; | |
4698 | ||
46fc3d4c | 4699 | (void)sprintf(efloatbuf, eptr, nv); |
4700 | ||
4701 | eptr = efloatbuf; | |
4702 | elen = strlen(efloatbuf); | |
4703 | ||
4704 | #ifdef LC_NUMERIC | |
4705 | /* | |
4706 | * User-defined locales may include arbitrary characters. | |
4707 | * And, unfortunately, some system may alloc the "C" locale | |
4708 | * to be overridden by a malicious user. | |
4709 | */ | |
4710 | if (used_locale) | |
4711 | *used_locale = TRUE; | |
4712 | #endif /* LC_NUMERIC */ | |
4713 | ||
4714 | break; | |
4715 | ||
fc36a67e | 4716 | /* SPECIAL */ |
4717 | ||
4718 | case 'n': | |
4719 | i = SvCUR(sv) - origlen; | |
4720 | if (args) { | |
c635e13b | 4721 | switch (intsize) { |
4722 | case 'h': *(va_arg(*args, short*)) = i; break; | |
4723 | default: *(va_arg(*args, int*)) = i; break; | |
4724 | case 'l': *(va_arg(*args, long*)) = i; break; | |
4725 | case 'V': *(va_arg(*args, IV*)) = i; break; | |
4726 | } | |
fc36a67e | 4727 | } |
4728 | else if (svix < svmax) | |
4729 | sv_setuv(svargs[svix++], (UV)i); | |
4730 | continue; /* not "break" */ | |
4731 | ||
4732 | /* UNKNOWN */ | |
4733 | ||
46fc3d4c | 4734 | default: |
fc36a67e | 4735 | unknown: |
c635e13b | 4736 | if (!args && dowarn && |
4737 | (op->op_type == OP_PRTF || op->op_type == OP_SPRINTF)) { | |
4738 | SV *msg = sv_newmortal(); | |
4739 | sv_setpvf(msg, "Invalid conversion in %s: ", | |
4740 | (op->op_type == OP_PRTF) ? "printf" : "sprintf"); | |
4741 | if (c) | |
4742 | sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"", | |
4743 | c & 0xFF); | |
4744 | else | |
4745 | sv_catpv(msg, "end of string"); | |
4746 | warn("%_", msg); /* yes, this is reentrant */ | |
4747 | } | |
fb73857a | 4748 | |
4749 | /* output mangled stuff ... */ | |
4750 | if (c == '\0') | |
4751 | --q; | |
46fc3d4c | 4752 | eptr = p; |
4753 | elen = q - p; | |
fb73857a | 4754 | |
4755 | /* ... right here, because formatting flags should not apply */ | |
4756 | SvGROW(sv, SvCUR(sv) + elen + 1); | |
4757 | p = SvEND(sv); | |
4758 | memcpy(p, eptr, elen); | |
4759 | p += elen; | |
4760 | *p = '\0'; | |
4761 | SvCUR(sv) = p - SvPVX(sv); | |
4762 | continue; /* not "break" */ | |
46fc3d4c | 4763 | } |
4764 | ||
fc36a67e | 4765 | have = esignlen + zeros + elen; |
46fc3d4c | 4766 | need = (have > width ? have : width); |
4767 | gap = need - have; | |
4768 | ||
7bc39d62 | 4769 | SvGROW(sv, SvCUR(sv) + need + 1); |
46fc3d4c | 4770 | p = SvEND(sv); |
4771 | if (esignlen && fill == '0') { | |
4772 | for (i = 0; i < esignlen; i++) | |
4773 | *p++ = esignbuf[i]; | |
4774 | } | |
4775 | if (gap && !left) { | |
4776 | memset(p, fill, gap); | |
4777 | p += gap; | |
4778 | } | |
4779 | if (esignlen && fill != '0') { | |
4780 | for (i = 0; i < esignlen; i++) | |
4781 | *p++ = esignbuf[i]; | |
4782 | } | |
fc36a67e | 4783 | if (zeros) { |
4784 | for (i = zeros; i; i--) | |
4785 | *p++ = '0'; | |
4786 | } | |
46fc3d4c | 4787 | if (elen) { |
4788 | memcpy(p, eptr, elen); | |
4789 | p += elen; | |
4790 | } | |
4791 | if (gap && left) { | |
4792 | memset(p, ' ', gap); | |
4793 | p += gap; | |
4794 | } | |
4795 | *p = '\0'; | |
4796 | SvCUR(sv) = p - SvPVX(sv); | |
4797 | } | |
4798 | } | |
4799 | ||
8990e307 LW |
4800 | #ifdef DEBUGGING |
4801 | void | |
8ac85365 | 4802 | sv_dump(SV *sv) |
8990e307 | 4803 | { |
46fc3d4c | 4804 | SV *d = sv_newmortal(); |
4805 | char *s; | |
8990e307 LW |
4806 | U32 flags; |
4807 | U32 type; | |
4808 | ||
4809 | if (!sv) { | |
760ac839 | 4810 | PerlIO_printf(Perl_debug_log, "SV = 0\n"); |
8990e307 LW |
4811 | return; |
4812 | } | |
4813 | ||
4814 | flags = SvFLAGS(sv); | |
4815 | type = SvTYPE(sv); | |
4816 | ||
46fc3d4c | 4817 | sv_setpvf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", |
4818 | (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); | |
4819 | if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,"); | |
4820 | if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,"); | |
4821 | if (flags & SVs_PADMY) sv_catpv(d, "PADMY,"); | |
4822 | if (flags & SVs_TEMP) sv_catpv(d, "TEMP,"); | |
4823 | if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,"); | |
4824 | if (flags & SVs_GMG) sv_catpv(d, "GMG,"); | |
4825 | if (flags & SVs_SMG) sv_catpv(d, "SMG,"); | |
4826 | if (flags & SVs_RMG) sv_catpv(d, "RMG,"); | |
4827 | ||
4828 | if (flags & SVf_IOK) sv_catpv(d, "IOK,"); | |
4829 | if (flags & SVf_NOK) sv_catpv(d, "NOK,"); | |
4830 | if (flags & SVf_POK) sv_catpv(d, "POK,"); | |
4831 | if (flags & SVf_ROK) sv_catpv(d, "ROK,"); | |
4832 | if (flags & SVf_OOK) sv_catpv(d, "OOK,"); | |
4833 | if (flags & SVf_FAKE) sv_catpv(d, "FAKE,"); | |
4834 | if (flags & SVf_READONLY) sv_catpv(d, "READONLY,"); | |
8990e307 | 4835 | |
1edc1566 | 4836 | #ifdef OVERLOAD |
46fc3d4c | 4837 | if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,"); |
1edc1566 | 4838 | #endif /* OVERLOAD */ |
46fc3d4c | 4839 | if (flags & SVp_IOK) sv_catpv(d, "pIOK,"); |
4840 | if (flags & SVp_NOK) sv_catpv(d, "pNOK,"); | |
4841 | if (flags & SVp_POK) sv_catpv(d, "pPOK,"); | |
4842 | if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,"); | |
1edc1566 | 4843 | |
4844 | switch (type) { | |
4845 | case SVt_PVCV: | |
774d564b | 4846 | case SVt_PVFM: |
46fc3d4c | 4847 | if (CvANON(sv)) sv_catpv(d, "ANON,"); |
4848 | if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,"); | |
4849 | if (CvCLONE(sv)) sv_catpv(d, "CLONE,"); | |
4850 | if (CvCLONED(sv)) sv_catpv(d, "CLONED,"); | |
4851 | if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,"); | |
4852 | break; | |
55497cff | 4853 | case SVt_PVHV: |
46fc3d4c | 4854 | if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,"); |
4855 | if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,"); | |
4856 | break; | |
1edc1566 | 4857 | case SVt_PVGV: |
46fc3d4c | 4858 | if (GvINTRO(sv)) sv_catpv(d, "INTRO,"); |
4859 | if (GvMULTI(sv)) sv_catpv(d, "MULTI,"); | |
4860 | if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,"); | |
4861 | if (GvIMPORTED(sv)) { | |
4862 | sv_catpv(d, "IMPORT"); | |
4863 | if (GvIMPORTED(sv) == GVf_IMPORTED) | |
4864 | sv_catpv(d, "ALL,"); | |
4865 | else { | |
4866 | sv_catpv(d, "("); | |
4867 | if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV"); | |
4868 | if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV"); | |
4869 | if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV"); | |
4870 | if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV"); | |
4871 | sv_catpv(d, " ),"); | |
4872 | } | |
4873 | } | |
c277df42 IZ |
4874 | case SVt_PVBM: |
4875 | if (SvTAIL(sv)) sv_catpv(d, "TAIL,"); | |
4876 | if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,"); | |
4877 | break; | |
1edc1566 | 4878 | } |
4879 | ||
46fc3d4c | 4880 | if (*(SvEND(d) - 1) == ',') |
4881 | SvPVX(d)[--SvCUR(d)] = '\0'; | |
4882 | sv_catpv(d, ")"); | |
4883 | s = SvPVX(d); | |
8990e307 | 4884 | |
760ac839 | 4885 | PerlIO_printf(Perl_debug_log, "SV = "); |
8990e307 LW |
4886 | switch (type) { |
4887 | case SVt_NULL: | |
46fc3d4c | 4888 | PerlIO_printf(Perl_debug_log, "NULL%s\n", s); |
8990e307 LW |
4889 | return; |
4890 | case SVt_IV: | |
46fc3d4c | 4891 | PerlIO_printf(Perl_debug_log, "IV%s\n", s); |
8990e307 LW |
4892 | break; |
4893 | case SVt_NV: | |
46fc3d4c | 4894 | PerlIO_printf(Perl_debug_log, "NV%s\n", s); |
8990e307 LW |
4895 | break; |
4896 | case SVt_RV: | |
46fc3d4c | 4897 | PerlIO_printf(Perl_debug_log, "RV%s\n", s); |
8990e307 LW |
4898 | break; |
4899 | case SVt_PV: | |
46fc3d4c | 4900 | PerlIO_printf(Perl_debug_log, "PV%s\n", s); |
8990e307 LW |
4901 | break; |
4902 | case SVt_PVIV: | |
46fc3d4c | 4903 | PerlIO_printf(Perl_debug_log, "PVIV%s\n", s); |
8990e307 LW |
4904 | break; |
4905 | case SVt_PVNV: | |
46fc3d4c | 4906 | PerlIO_printf(Perl_debug_log, "PVNV%s\n", s); |
8990e307 LW |
4907 | break; |
4908 | case SVt_PVBM: | |
46fc3d4c | 4909 | PerlIO_printf(Perl_debug_log, "PVBM%s\n", s); |
8990e307 LW |
4910 | break; |
4911 | case SVt_PVMG: | |
46fc3d4c | 4912 | PerlIO_printf(Perl_debug_log, "PVMG%s\n", s); |
8990e307 LW |
4913 | break; |
4914 | case SVt_PVLV: | |
46fc3d4c | 4915 | PerlIO_printf(Perl_debug_log, "PVLV%s\n", s); |
8990e307 LW |
4916 | break; |
4917 | case SVt_PVAV: | |
46fc3d4c | 4918 | PerlIO_printf(Perl_debug_log, "PVAV%s\n", s); |
8990e307 LW |
4919 | break; |
4920 | case SVt_PVHV: | |
46fc3d4c | 4921 | PerlIO_printf(Perl_debug_log, "PVHV%s\n", s); |
8990e307 LW |
4922 | break; |
4923 | case SVt_PVCV: | |
46fc3d4c | 4924 | PerlIO_printf(Perl_debug_log, "PVCV%s\n", s); |
8990e307 LW |
4925 | break; |
4926 | case SVt_PVGV: | |
46fc3d4c | 4927 | PerlIO_printf(Perl_debug_log, "PVGV%s\n", s); |
8990e307 LW |
4928 | break; |
4929 | case SVt_PVFM: | |
46fc3d4c | 4930 | PerlIO_printf(Perl_debug_log, "PVFM%s\n", s); |
8990e307 LW |
4931 | break; |
4932 | case SVt_PVIO: | |
46fc3d4c | 4933 | PerlIO_printf(Perl_debug_log, "PVIO%s\n", s); |
8990e307 LW |
4934 | break; |
4935 | default: | |
46fc3d4c | 4936 | PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", s); |
8990e307 LW |
4937 | return; |
4938 | } | |
4939 | if (type >= SVt_PVIV || type == SVt_IV) | |
760ac839 | 4940 | PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv)); |
bbce6d69 | 4941 | if (type >= SVt_PVNV || type == SVt_NV) { |
36477c24 | 4942 | SET_NUMERIC_STANDARD(); |
760ac839 | 4943 | PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); |
bbce6d69 | 4944 | } |
8990e307 | 4945 | if (SvROK(sv)) { |
760ac839 | 4946 | PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv)); |
8990e307 LW |
4947 | sv_dump(SvRV(sv)); |
4948 | return; | |
4949 | } | |
4950 | if (type < SVt_PV) | |
4951 | return; | |
4952 | if (type <= SVt_PVLV) { | |
4953 | if (SvPVX(sv)) | |
760ac839 | 4954 | PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", |
a0d0e21e | 4955 | (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); |
8990e307 | 4956 | else |
760ac839 | 4957 | PerlIO_printf(Perl_debug_log, " PV = 0\n"); |
8990e307 LW |
4958 | } |
4959 | if (type >= SVt_PVMG) { | |
4960 | if (SvMAGIC(sv)) { | |
760ac839 | 4961 | PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); |
8990e307 LW |
4962 | } |
4963 | if (SvSTASH(sv)) | |
760ac839 | 4964 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv))); |
8990e307 LW |
4965 | } |
4966 | switch (type) { | |
4967 | case SVt_PVLV: | |
760ac839 LW |
4968 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv)); |
4969 | PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); | |
4970 | PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); | |
4971 | PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv)); | |
8990e307 LW |
4972 | sv_dump(LvTARG(sv)); |
4973 | break; | |
4974 | case SVt_PVAV: | |
760ac839 LW |
4975 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); |
4976 | PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); | |
93965878 | 4977 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILLp(sv)); |
760ac839 LW |
4978 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv)); |
4979 | PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); | |
4633a7c4 | 4980 | flags = AvFLAGS(sv); |
46fc3d4c | 4981 | sv_setpv(d, ""); |
4982 | if (flags & AVf_REAL) sv_catpv(d, ",REAL"); | |
4983 | if (flags & AVf_REIFY) sv_catpv(d, ",REIFY"); | |
4984 | if (flags & AVf_REUSED) sv_catpv(d, ",REUSED"); | |
4985 | PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", | |
4986 | SvCUR(d) ? SvPVX(d) + 1 : ""); | |
8990e307 LW |
4987 | break; |
4988 | case SVt_PVHV: | |
760ac839 LW |
4989 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); |
4990 | PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv)); | |
4991 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv)); | |
4992 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv)); | |
4993 | PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv)); | |
4994 | PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv)); | |
8990e307 | 4995 | if (HvPMROOT(sv)) |
760ac839 | 4996 | PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); |
8990e307 | 4997 | if (HvNAME(sv)) |
760ac839 | 4998 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv)); |
8990e307 | 4999 | break; |
8990e307 | 5000 | case SVt_PVCV: |
1edc1566 | 5001 | if (SvPOK(sv)) |
760ac839 | 5002 | PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na)); |
fa83b5b6 | 5003 | /* FALL THROUGH */ |
5004 | case SVt_PVFM: | |
760ac839 LW |
5005 | PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv)); |
5006 | PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv)); | |
5007 | PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv)); | |
5008 | PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); | |
5009 | PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); | |
d1bf51dd | 5010 | PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv)); |
1edc1566 | 5011 | if (CvGV(sv) && GvNAME(CvGV(sv))) { |
d1bf51dd | 5012 | PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv))); |
1edc1566 | 5013 | } else { |
d1bf51dd | 5014 | PerlIO_printf(Perl_debug_log, "\n"); |
1edc1566 | 5015 | } |
760ac839 LW |
5016 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); |
5017 | PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv)); | |
5018 | PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); | |
5019 | PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); | |
11343788 | 5020 | #ifdef USE_THREADS |
5dc0d613 | 5021 | PerlIO_printf(Perl_debug_log, " MUTEXP = 0x%lx\n", (long)CvMUTEXP(sv)); |
5dc0d613 | 5022 | PerlIO_printf(Perl_debug_log, " OWNER = 0x%lx\n", (long)CvOWNER(sv)); |
11343788 | 5023 | #endif /* USE_THREADS */ |
77a005ab MB |
5024 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", |
5025 | (unsigned long)CvFLAGS(sv)); | |
8990e307 | 5026 | if (type == SVt_PVFM) |
760ac839 | 5027 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv)); |
8990e307 LW |
5028 | break; |
5029 | case SVt_PVGV: | |
760ac839 LW |
5030 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv)); |
5031 | PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); | |
ec12f114 JPC |
5032 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", |
5033 | SvTYPE(GvSTASH(sv)) == SVt_PVHV ? HvNAME(GvSTASH(sv)) : "(deleted)"); | |
760ac839 LW |
5034 | PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv)); |
5035 | PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv)); | |
5036 | PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv)); | |
5037 | PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv)); | |
5038 | PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv)); | |
5039 | PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv)); | |
5040 | PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv)); | |
5041 | PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv)); | |
5042 | PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); | |
5043 | PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); | |
5044 | PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv)); | |
55497cff | 5045 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv)); |
760ac839 | 5046 | PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv)); |
8990e307 LW |
5047 | break; |
5048 | case SVt_PVIO: | |
760ac839 LW |
5049 | PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv)); |
5050 | PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv)); | |
5051 | PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); | |
5052 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv)); | |
5053 | PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv)); | |
5054 | PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); | |
5055 | PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); | |
5056 | PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv)); | |
5057 | PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); | |
5058 | PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv)); | |
5059 | PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); | |
5060 | PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv)); | |
5061 | PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); | |
5062 | PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); | |
5063 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv)); | |
5064 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); | |
8990e307 LW |
5065 | break; |
5066 | } | |
5067 | } | |
2304df62 AD |
5068 | #else |
5069 | void | |
8ac85365 | 5070 | sv_dump(SV *sv) |
2304df62 AD |
5071 | { |
5072 | } | |
8990e307 | 5073 | #endif |
f0f333f4 | 5074 | |
4e35701f NIS |
5075 | |
5076 | ||
5077 |