Commit | Line | Data |
e98cedbf |
1 | #include "EXTERN.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
4 | |
98ecbbc6 |
5 | static int regex_whine; |
6 | static int fm_whine; |
7 | |
8 | |
6a9ad7ec |
9 | #define carp puts |
7ccc7d88 |
10 | UV thing_size(SV *, HV *); |
11 | typedef enum { |
12 | OPc_NULL, /* 0 */ |
13 | OPc_BASEOP, /* 1 */ |
14 | OPc_UNOP, /* 2 */ |
15 | OPc_BINOP, /* 3 */ |
16 | OPc_LOGOP, /* 4 */ |
17 | OPc_LISTOP, /* 5 */ |
18 | OPc_PMOP, /* 6 */ |
19 | OPc_SVOP, /* 7 */ |
20 | OPc_PADOP, /* 8 */ |
21 | OPc_PVOP, /* 9 */ |
62691e7c |
22 | OPc_LOOP, /* 10 */ |
23 | OPc_COP /* 11 */ |
7ccc7d88 |
24 | } opclass; |
25 | |
26 | static opclass |
27 | cc_opclass(OP *o) |
28 | { |
29 | if (!o) |
30 | return OPc_NULL; |
31 | |
32 | if (o->op_type == 0) |
33 | return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP; |
34 | |
35 | if (o->op_type == OP_SASSIGN) |
36 | return ((o->op_private & OPpASSIGN_BACKWARDS) ? OPc_UNOP : OPc_BINOP); |
37 | |
38 | #ifdef USE_ITHREADS |
39 | if (o->op_type == OP_GV || o->op_type == OP_GVSV || o->op_type == OP_AELEMFAST) |
40 | return OPc_PADOP; |
41 | #endif |
42 | |
62691e7c |
43 | if (o->op_type = OP_TRANS) { |
44 | return OPc_BASEOP; |
45 | } |
46 | |
7ccc7d88 |
47 | switch (PL_opargs[o->op_type] & OA_CLASS_MASK) { |
48 | case OA_BASEOP: |
49 | return OPc_BASEOP; |
50 | |
51 | case OA_UNOP: |
52 | return OPc_UNOP; |
53 | |
54 | case OA_BINOP: |
55 | return OPc_BINOP; |
56 | |
57 | case OA_LOGOP: |
58 | return OPc_LOGOP; |
59 | |
60 | case OA_LISTOP: |
61 | return OPc_LISTOP; |
62 | |
63 | case OA_PMOP: |
64 | return OPc_PMOP; |
65 | |
66 | case OA_SVOP: |
67 | return OPc_SVOP; |
68 | |
69 | case OA_PADOP: |
70 | return OPc_PADOP; |
71 | |
72 | case OA_PVOP_OR_SVOP: |
73 | /* |
74 | * Character translations (tr///) are usually a PVOP, keeping a |
75 | * pointer to a table of shorts used to look up translations. |
76 | * Under utf8, however, a simple table isn't practical; instead, |
77 | * the OP is an SVOP, and the SV is a reference to a swash |
78 | * (i.e., an RV pointing to an HV). |
79 | */ |
80 | return (o->op_private & (OPpTRANS_TO_UTF|OPpTRANS_FROM_UTF)) |
81 | ? OPc_SVOP : OPc_PVOP; |
82 | |
83 | case OA_LOOP: |
84 | return OPc_LOOP; |
85 | |
86 | case OA_COP: |
87 | return OPc_COP; |
88 | |
89 | case OA_BASEOP_OR_UNOP: |
90 | /* |
91 | * UNI(OP_foo) in toke.c returns token UNI or FUNC1 depending on |
92 | * whether parens were seen. perly.y uses OPf_SPECIAL to |
93 | * signal whether a BASEOP had empty parens or none. |
94 | * Some other UNOPs are created later, though, so the best |
95 | * test is OPf_KIDS, which is set in newUNOP. |
96 | */ |
97 | return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP; |
98 | |
99 | case OA_FILESTATOP: |
100 | /* |
101 | * The file stat OPs are created via UNI(OP_foo) in toke.c but use |
102 | * the OPf_REF flag to distinguish between OP types instead of the |
103 | * usual OPf_SPECIAL flag. As usual, if OPf_KIDS is set, then we |
104 | * return OPc_UNOP so that walkoptree can find our children. If |
105 | * OPf_KIDS is not set then we check OPf_REF. Without OPf_REF set |
106 | * (no argument to the operator) it's an OP; with OPf_REF set it's |
107 | * an SVOP (and op_sv is the GV for the filehandle argument). |
108 | */ |
109 | return ((o->op_flags & OPf_KIDS) ? OPc_UNOP : |
110 | #ifdef USE_ITHREADS |
111 | (o->op_flags & OPf_REF) ? OPc_PADOP : OPc_BASEOP); |
112 | #else |
113 | (o->op_flags & OPf_REF) ? OPc_SVOP : OPc_BASEOP); |
114 | #endif |
115 | case OA_LOOPEXOP: |
116 | /* |
117 | * next, last, redo, dump and goto use OPf_SPECIAL to indicate that a |
118 | * label was omitted (in which case it's a BASEOP) or else a term was |
119 | * seen. In this last case, all except goto are definitely PVOP but |
120 | * goto is either a PVOP (with an ordinary constant label), an UNOP |
121 | * with OPf_STACKED (with a non-constant non-sub) or an UNOP for |
122 | * OP_REFGEN (with goto &sub) in which case OPf_STACKED also seems to |
123 | * get set. |
124 | */ |
125 | if (o->op_flags & OPf_STACKED) |
126 | return OPc_UNOP; |
127 | else if (o->op_flags & OPf_SPECIAL) |
128 | return OPc_BASEOP; |
129 | else |
130 | return OPc_PVOP; |
131 | } |
132 | warn("can't determine class of operator %s, assuming BASEOP\n", |
133 | PL_op_name[o->op_type]); |
134 | return OPc_BASEOP; |
135 | } |
136 | |
6a9ad7ec |
137 | |
a6ea0805 |
138 | #if !defined(NV) |
139 | #define NV double |
140 | #endif |
141 | |
ebb2c5b9 |
142 | static int go_yell = 1; |
143 | |
6a9ad7ec |
144 | /* Checks to see if thing is in the hash. Returns true or false, and |
145 | notes thing in the hash. |
146 | |
147 | This code does one Evil Thing. Since we're tracking pointers, we |
148 | tell perl that the string key is the address in the pointer. We do this by |
149 | passing in the address of the address, along with the size of a |
150 | pointer as the length. Perl then uses the four (or eight, on |
151 | 64-bit machines) bytes of the address as the string we're using as |
152 | the key */ |
24d37977 |
153 | IV check_new(HV *tracking_hash, const void *thing) { |
7ccc7d88 |
154 | if (NULL == thing) { |
155 | return FALSE; |
156 | } |
6a9ad7ec |
157 | if (hv_exists(tracking_hash, (char *)&thing, sizeof(void *))) { |
158 | return FALSE; |
159 | } |
78dfb4e7 |
160 | hv_store(tracking_hash, (char *)&thing, sizeof(void *), &PL_sv_yes, 0); |
6a9ad7ec |
161 | return TRUE; |
162 | |
163 | } |
164 | |
165 | /* Figure out how much magic is attached to the SV and return the |
166 | size */ |
167 | IV magic_size(SV *thing, HV *tracking_hash) { |
168 | IV total_size = 0; |
169 | MAGIC *magic_pointer; |
170 | |
171 | /* Is there any? */ |
172 | if (!SvMAGIC(thing)) { |
173 | /* No, bail */ |
174 | return 0; |
175 | } |
176 | |
177 | /* Get the base magic pointer */ |
178 | magic_pointer = SvMAGIC(thing); |
179 | |
180 | /* Have we seen the magic pointer? */ |
181 | while (magic_pointer && check_new(tracking_hash, magic_pointer)) { |
182 | total_size += sizeof(MAGIC); |
183 | |
184 | /* Have we seen the magic vtable? */ |
185 | if (magic_pointer->mg_virtual && |
186 | check_new(tracking_hash, magic_pointer->mg_virtual)) { |
187 | total_size += sizeof(MGVTBL); |
188 | } |
189 | |
190 | /* Get the next in the chain */ |
191 | magic_pointer = magic_pointer->mg_moremagic; |
192 | } |
193 | |
194 | return total_size; |
195 | } |
196 | |
7ccc7d88 |
197 | UV regex_size(REGEXP *baseregex, HV *tracking_hash) { |
198 | UV total_size = 0; |
199 | |
98ecbbc6 |
200 | total_size += sizeof(REGEXP); |
201 | /* Note hte size of the paren offset thing */ |
202 | total_size += sizeof(I32) * baseregex->nparens * 2; |
203 | total_size += strlen(baseregex->precomp); |
204 | |
205 | if (go_yell && !regex_whine) { |
206 | carp("Devel::Size: Calculated sizes for compiled regexes are incomple, and probably always will be"); |
207 | regex_whine = 1; |
208 | } |
209 | |
7ccc7d88 |
210 | return total_size; |
211 | } |
212 | |
213 | UV op_size(OP *baseop, HV *tracking_hash) { |
214 | UV total_size = 0; |
215 | |
216 | if (check_new(tracking_hash, baseop->op_next)) { |
217 | total_size += op_size(baseop->op_next, tracking_hash); |
218 | } |
219 | if (check_new(tracking_hash, baseop->op_next)) { |
220 | total_size += op_size(baseop->op_next, tracking_hash); |
221 | } |
222 | |
223 | switch (cc_opclass(baseop)) { |
224 | case OPc_BASEOP: |
225 | total_size += sizeof(struct op); |
226 | break; |
227 | case OPc_UNOP: |
228 | total_size += sizeof(struct unop); |
229 | if (check_new(tracking_hash, cUNOPx(baseop)->op_first)) { |
230 | total_size += op_size(cUNOPx(baseop)->op_first, tracking_hash); |
231 | } |
232 | break; |
233 | case OPc_BINOP: |
234 | total_size += sizeof(struct binop); |
235 | if (check_new(tracking_hash, cBINOPx(baseop)->op_first)) { |
236 | total_size += op_size(cBINOPx(baseop)->op_first, tracking_hash); |
237 | } |
238 | if (check_new(tracking_hash, cBINOPx(baseop)->op_last)) { |
239 | total_size += op_size(cBINOPx(baseop)->op_last, tracking_hash); |
240 | } |
241 | break; |
242 | case OPc_LOGOP: |
243 | total_size += sizeof(struct logop); |
244 | if (check_new(tracking_hash, cLOGOPx(baseop)->op_first)) { |
245 | total_size += op_size(cBINOPx(baseop)->op_first, tracking_hash); |
246 | } |
247 | if (check_new(tracking_hash, cLOGOPx(baseop)->op_other)) { |
248 | total_size += op_size(cLOGOPx(baseop)->op_other, tracking_hash); |
249 | } |
250 | break; |
251 | case OPc_LISTOP: |
252 | total_size += sizeof(struct listop); |
253 | if (check_new(tracking_hash, cLISTOPx(baseop)->op_first)) { |
254 | total_size += op_size(cLISTOPx(baseop)->op_first, tracking_hash); |
255 | } |
256 | if (check_new(tracking_hash, cLISTOPx(baseop)->op_last)) { |
257 | total_size += op_size(cLISTOPx(baseop)->op_last, tracking_hash); |
258 | } |
259 | break; |
260 | case OPc_PMOP: |
261 | total_size += sizeof(struct pmop); |
262 | if (check_new(tracking_hash, cPMOPx(baseop)->op_first)) { |
263 | total_size += op_size(cPMOPx(baseop)->op_first, tracking_hash); |
264 | } |
265 | if (check_new(tracking_hash, cPMOPx(baseop)->op_last)) { |
266 | total_size += op_size(cPMOPx(baseop)->op_last, tracking_hash); |
267 | } |
268 | if (check_new(tracking_hash, cPMOPx(baseop)->op_pmreplroot)) { |
269 | total_size += op_size(cPMOPx(baseop)->op_pmreplroot, tracking_hash); |
270 | } |
271 | if (check_new(tracking_hash, cPMOPx(baseop)->op_pmreplstart)) { |
272 | total_size += op_size(cPMOPx(baseop)->op_pmreplstart, tracking_hash); |
273 | } |
274 | if (check_new(tracking_hash, cPMOPx(baseop)->op_pmnext)) { |
275 | total_size += op_size((OP *)cPMOPx(baseop)->op_pmnext, tracking_hash); |
276 | } |
98ecbbc6 |
277 | /* This is defined away in perl 5.8.x, but it is in there for |
278 | 5.6.x */ |
279 | #ifdef PM_GETRE |
280 | if (check_new(tracking_hash, PM_GETRE((cPMOPx(baseop))))) { |
281 | total_size += regex_size(PM_GETRE(cPMOPx(baseop)), tracking_hash); |
282 | } |
283 | #else |
284 | if (check_new(tracking_hash, cPMOPx(baseop)->op_pmregexp)) { |
285 | total_size += regex_size(cPMOPx(baseop)->op_pmregexp, tracking_hash); |
286 | } |
287 | #endif |
7ccc7d88 |
288 | break; |
289 | case OPc_SVOP: |
290 | total_size += sizeof(struct pmop); |
291 | if (check_new(tracking_hash, cSVOPx(baseop)->op_sv)) { |
292 | total_size += thing_size(cSVOPx(baseop)->op_sv, tracking_hash); |
293 | } |
294 | break; |
295 | case OPc_PADOP: |
296 | total_size += sizeof(struct padop); |
297 | break; |
298 | case OPc_PVOP: |
299 | if (check_new(tracking_hash, cPVOPx(baseop)->op_pv)) { |
300 | total_size += strlen(cPVOPx(baseop)->op_pv); |
301 | } |
302 | case OPc_LOOP: |
303 | total_size += sizeof(struct loop); |
304 | if (check_new(tracking_hash, cLOOPx(baseop)->op_first)) { |
305 | total_size += op_size(cLOOPx(baseop)->op_first, tracking_hash); |
306 | } |
307 | if (check_new(tracking_hash, cLOOPx(baseop)->op_last)) { |
308 | total_size += op_size(cLOOPx(baseop)->op_last, tracking_hash); |
309 | } |
310 | if (check_new(tracking_hash, cLOOPx(baseop)->op_redoop)) { |
311 | total_size += op_size(cLOOPx(baseop)->op_redoop, tracking_hash); |
312 | } |
313 | if (check_new(tracking_hash, cLOOPx(baseop)->op_nextop)) { |
314 | total_size += op_size(cLOOPx(baseop)->op_nextop, tracking_hash); |
315 | } |
98ecbbc6 |
316 | /* Not working for some reason, but the code's here for later |
317 | fixing |
318 | if (check_new(tracking_hash, cLOOPx(baseop)->op_lastop)) { |
319 | total_size += op_size(cLOOPx(baseop)->op_lastop, tracking_hash); |
320 | } |
321 | */ |
62691e7c |
322 | break; |
7ccc7d88 |
323 | case OPc_COP: |
324 | { |
325 | COP *basecop; |
326 | basecop = (COP *)baseop; |
327 | total_size += sizeof(struct cop); |
328 | |
329 | if (check_new(tracking_hash, basecop->cop_label)) { |
330 | total_size += strlen(basecop->cop_label); |
331 | } |
332 | #ifdef USE_ITHREADS |
333 | if (check_new(tracking_hash, basecop->cop_file)) { |
334 | total_size += strlen(basecop->cop_file); |
335 | } |
336 | if (check_new(tracking_hash, basecop->cop_stashpv)) { |
337 | total_size += strlen(basecop->cop_stashpv); |
338 | } |
339 | #else |
340 | if (check_new(tracking_hash, basecop->cop_stash)) { |
341 | total_size += thing_size((SV *)basecop->cop_stash, tracking_hash); |
342 | } |
343 | if (check_new(tracking_hash, basecop->cop_filegv)) { |
344 | total_size += thing_size((SV *)basecop->cop_filegv, tracking_hash); |
345 | } |
346 | #endif |
347 | |
348 | } |
349 | break; |
350 | default: |
351 | break; |
352 | } |
353 | return total_size; |
354 | } |
6a9ad7ec |
355 | |
24d37977 |
356 | #if PERL_VERSION > 9 || (PERL_VERSION == 9 && PERL_SUBVERSION > 2) |
357 | # define NEW_HEAD_LAYOUT |
358 | #endif |
359 | |
6a9ad7ec |
360 | UV thing_size(SV *orig_thing, HV *tracking_hash) { |
e98cedbf |
361 | SV *thing = orig_thing; |
362 | UV total_size = sizeof(SV); |
363 | |
e98cedbf |
364 | switch (SvTYPE(thing)) { |
365 | /* Is it undef? */ |
366 | case SVt_NULL: |
367 | break; |
368 | /* Just a plain integer. This will be differently sized depending |
369 | on whether purify's been compiled in */ |
370 | case SVt_IV: |
24d37977 |
371 | #ifndef NEW_HEAD_LAYOUT |
372 | # ifdef PURIFY |
e98cedbf |
373 | total_size += sizeof(sizeof(XPVIV)); |
24d37977 |
374 | # else |
e98cedbf |
375 | total_size += sizeof(IV); |
24d37977 |
376 | # endif |
e98cedbf |
377 | #endif |
378 | break; |
379 | /* Is it a float? Like the int, it depends on purify */ |
380 | case SVt_NV: |
381 | #ifdef PURIFY |
382 | total_size += sizeof(sizeof(XPVNV)); |
383 | #else |
384 | total_size += sizeof(NV); |
385 | #endif |
386 | break; |
387 | /* Is it a reference? */ |
388 | case SVt_RV: |
24d37977 |
389 | #ifndef NEW_HEAD_LAYOUT |
e98cedbf |
390 | total_size += sizeof(XRV); |
24d37977 |
391 | #endif |
e98cedbf |
392 | break; |
393 | /* How about a plain string? In which case we need to add in how |
394 | much has been allocated */ |
395 | case SVt_PV: |
396 | total_size += sizeof(XPV); |
397 | total_size += SvLEN(thing); |
398 | break; |
399 | /* A string with an integer part? */ |
400 | case SVt_PVIV: |
401 | total_size += sizeof(XPVIV); |
402 | total_size += SvLEN(thing); |
24d37977 |
403 | total_size += SvIVX(thing); |
e98cedbf |
404 | break; |
405 | /* A string with a float part? */ |
406 | case SVt_PVNV: |
407 | total_size += sizeof(XPVNV); |
408 | total_size += SvLEN(thing); |
409 | break; |
410 | case SVt_PVMG: |
4ab42718 |
411 | total_size += sizeof(XPVMG); |
412 | total_size += SvLEN(thing); |
6a9ad7ec |
413 | total_size += magic_size(thing, tracking_hash); |
e98cedbf |
414 | break; |
415 | case SVt_PVBM: |
6a9ad7ec |
416 | total_size += sizeof(XPVBM); |
417 | total_size += SvLEN(thing); |
418 | total_size += magic_size(thing, tracking_hash); |
e98cedbf |
419 | break; |
420 | case SVt_PVLV: |
6a9ad7ec |
421 | total_size += sizeof(XPVLV); |
422 | total_size += SvLEN(thing); |
423 | total_size += magic_size(thing, tracking_hash); |
e98cedbf |
424 | break; |
425 | /* How much space is dedicated to the array? Not counting the |
426 | elements in the array, mind, just the array itself */ |
427 | case SVt_PVAV: |
428 | total_size += sizeof(XPVAV); |
429 | /* Is there anything in the array? */ |
430 | if (AvMAX(thing) != -1) { |
431 | total_size += sizeof(SV *) * AvMAX(thing); |
432 | } |
433 | /* Add in the bits on the other side of the beginning */ |
434 | total_size += (sizeof(SV *) * (AvARRAY(thing) - AvALLOC(thing))); |
435 | /* Is there something hanging off the arylen element? */ |
436 | if (AvARYLEN(thing)) { |
6a9ad7ec |
437 | if (check_new(tracking_hash, AvARYLEN(thing))) { |
438 | total_size += thing_size(AvARYLEN(thing), tracking_hash); |
439 | } |
e98cedbf |
440 | } |
6a9ad7ec |
441 | total_size += magic_size(thing, tracking_hash); |
e98cedbf |
442 | break; |
443 | case SVt_PVHV: |
a6ea0805 |
444 | /* First the base struct */ |
445 | total_size += sizeof(XPVHV); |
446 | /* Now the array of buckets */ |
447 | total_size += (sizeof(HE *) * (HvMAX(thing) + 1)); |
448 | /* Now walk the bucket chain */ |
6a9ad7ec |
449 | if (HvARRAY(thing)) { |
a6ea0805 |
450 | HE *cur_entry; |
451 | IV cur_bucket = 0; |
a6ea0805 |
452 | for (cur_bucket = 0; cur_bucket <= HvMAX(thing); cur_bucket++) { |
453 | cur_entry = *(HvARRAY(thing) + cur_bucket); |
454 | while (cur_entry) { |
455 | total_size += sizeof(HE); |
456 | if (cur_entry->hent_hek) { |
6a9ad7ec |
457 | /* Hash keys can be shared. Have we seen this before? */ |
458 | if (check_new(tracking_hash, cur_entry->hent_hek)) { |
b98fcdb9 |
459 | total_size += HEK_BASESIZE + cur_entry->hent_hek->hek_len + 2; |
6a9ad7ec |
460 | } |
a6ea0805 |
461 | } |
462 | cur_entry = cur_entry->hent_next; |
463 | } |
464 | } |
465 | } |
6a9ad7ec |
466 | total_size += magic_size(thing, tracking_hash); |
e98cedbf |
467 | break; |
468 | case SVt_PVCV: |
6a9ad7ec |
469 | total_size += sizeof(XPVCV); |
5c2e1b12 |
470 | total_size += magic_size(thing, tracking_hash); |
7ccc7d88 |
471 | |
472 | total_size += ((XPVIO *) SvANY(thing))->xpv_len; |
473 | if (check_new(tracking_hash, CvSTASH(thing))) { |
474 | total_size += thing_size((SV *)CvSTASH(thing), tracking_hash); |
475 | } |
476 | if (check_new(tracking_hash, SvSTASH(thing))) { |
477 | total_size += thing_size((SV *)SvSTASH(thing), tracking_hash); |
478 | } |
479 | if (check_new(tracking_hash, CvGV(thing))) { |
480 | total_size += thing_size((SV *)CvGV(thing), tracking_hash); |
ebb2c5b9 |
481 | } |
7ccc7d88 |
482 | if (check_new(tracking_hash, CvPADLIST(thing))) { |
483 | total_size += thing_size((SV *)CvPADLIST(thing), tracking_hash); |
484 | } |
485 | if (check_new(tracking_hash, CvOUTSIDE(thing))) { |
486 | total_size += thing_size((SV *)CvOUTSIDE(thing), tracking_hash); |
487 | } |
488 | |
489 | if (check_new(tracking_hash, CvSTART(thing))) { |
490 | total_size += op_size(CvSTART(thing), tracking_hash); |
491 | } |
492 | if (check_new(tracking_hash, CvROOT(thing))) { |
493 | total_size += op_size(CvROOT(thing), tracking_hash); |
494 | } |
495 | |
e98cedbf |
496 | break; |
497 | case SVt_PVGV: |
5c2e1b12 |
498 | total_size += magic_size(thing, tracking_hash); |
6a9ad7ec |
499 | total_size += sizeof(XPVGV); |
5c2e1b12 |
500 | total_size += GvNAMELEN(thing); |
78dfb4e7 |
501 | #ifdef GvFILE |
0bff12d8 |
502 | /* Is there a file? */ |
503 | if (GvFILE(thing)) { |
504 | if (check_new(tracking_hash, GvFILE(thing))) { |
505 | total_size += strlen(GvFILE(thing)); |
506 | } |
507 | } |
78dfb4e7 |
508 | #endif |
5c2e1b12 |
509 | /* Is there something hanging off the glob? */ |
510 | if (GvGP(thing)) { |
511 | if (check_new(tracking_hash, GvGP(thing))) { |
512 | total_size += sizeof(GP); |
5073b933 |
513 | { |
514 | SV *generic_thing; |
515 | if (generic_thing = (SV *)(GvGP(thing)->gp_sv)) { |
516 | total_size += thing_size(generic_thing, tracking_hash); |
517 | } |
518 | if (generic_thing = (SV *)(GvGP(thing)->gp_form)) { |
519 | total_size += thing_size(generic_thing, tracking_hash); |
520 | } |
521 | if (generic_thing = (SV *)(GvGP(thing)->gp_av)) { |
522 | total_size += thing_size(generic_thing, tracking_hash); |
523 | } |
524 | if (generic_thing = (SV *)(GvGP(thing)->gp_hv)) { |
525 | total_size += thing_size(generic_thing, tracking_hash); |
526 | } |
527 | if (generic_thing = (SV *)(GvGP(thing)->gp_egv)) { |
528 | total_size += thing_size(generic_thing, tracking_hash); |
529 | } |
530 | if (generic_thing = (SV *)(GvGP(thing)->gp_cv)) { |
531 | total_size += thing_size(generic_thing, tracking_hash); |
532 | } |
533 | } |
5c2e1b12 |
534 | } |
535 | } |
e98cedbf |
536 | break; |
537 | case SVt_PVFM: |
6a9ad7ec |
538 | total_size += sizeof(XPVFM); |
7ccc7d88 |
539 | total_size += magic_size(thing, tracking_hash); |
540 | total_size += ((XPVIO *) SvANY(thing))->xpv_len; |
541 | if (check_new(tracking_hash, CvPADLIST(thing))) { |
542 | total_size += thing_size((SV *)CvPADLIST(thing), tracking_hash); |
543 | } |
544 | if (check_new(tracking_hash, CvOUTSIDE(thing))) { |
545 | total_size += thing_size((SV *)CvOUTSIDE(thing), tracking_hash); |
546 | } |
547 | |
98ecbbc6 |
548 | if (go_yell && !fm_whine) { |
5073b933 |
549 | carp("Devel::Size: Calculated sizes for FMs are incomplete"); |
98ecbbc6 |
550 | fm_whine = 1; |
ebb2c5b9 |
551 | } |
e98cedbf |
552 | break; |
553 | case SVt_PVIO: |
6a9ad7ec |
554 | total_size += sizeof(XPVIO); |
5073b933 |
555 | total_size += magic_size(thing, tracking_hash); |
24d37977 |
556 | if (check_new(tracking_hash, (SvPVX(thing)))) { |
5073b933 |
557 | total_size += ((XPVIO *) SvANY(thing))->xpv_cur; |
ebb2c5b9 |
558 | } |
5073b933 |
559 | /* Some embedded char pointers */ |
560 | if (check_new(tracking_hash, ((XPVIO *) SvANY(thing))->xio_top_name)) { |
561 | total_size += strlen(((XPVIO *) SvANY(thing))->xio_top_name); |
562 | } |
563 | if (check_new(tracking_hash, ((XPVIO *) SvANY(thing))->xio_fmt_name)) { |
564 | total_size += strlen(((XPVIO *) SvANY(thing))->xio_fmt_name); |
565 | } |
566 | if (check_new(tracking_hash, ((XPVIO *) SvANY(thing))->xio_bottom_name)) { |
567 | total_size += strlen(((XPVIO *) SvANY(thing))->xio_bottom_name); |
568 | } |
569 | /* Throw the GVs on the list to be walked if they're not-null */ |
570 | if (((XPVIO *) SvANY(thing))->xio_top_gv) { |
571 | total_size += thing_size((SV *)((XPVIO *) SvANY(thing))->xio_top_gv, |
572 | tracking_hash); |
573 | } |
574 | if (((XPVIO *) SvANY(thing))->xio_bottom_gv) { |
575 | total_size += thing_size((SV *)((XPVIO *) SvANY(thing))->xio_bottom_gv, |
576 | tracking_hash); |
577 | } |
578 | if (((XPVIO *) SvANY(thing))->xio_fmt_gv) { |
579 | total_size += thing_size((SV *)((XPVIO *) SvANY(thing))->xio_fmt_gv, |
580 | tracking_hash); |
581 | } |
582 | |
583 | /* Only go trotting through the IO structures if they're really |
584 | trottable. If USE_PERLIO is defined we can do this. If |
585 | not... we can't, so we don't even try */ |
586 | #ifdef USE_PERLIO |
587 | /* Dig into xio_ifp and xio_ofp here */ |
588 | croak("Devel::Size: Can't size up perlio layers yet"); |
589 | #endif |
e98cedbf |
590 | break; |
591 | default: |
5073b933 |
592 | croak("Devel::Size: Unknown variable type"); |
e98cedbf |
593 | } |
594 | return total_size; |
595 | } |
596 | |
e98cedbf |
597 | MODULE = Devel::Size PACKAGE = Devel::Size |
598 | |
fea63ffa |
599 | PROTOTYPES: DISABLE |
600 | |
a6ea0805 |
601 | IV |
602 | size(orig_thing) |
603 | SV *orig_thing |
e98cedbf |
604 | CODE: |
605 | { |
6a9ad7ec |
606 | SV *thing = orig_thing; |
607 | /* Hash to track our seen pointers */ |
608 | HV *tracking_hash = newHV(); |
ebb2c5b9 |
609 | SV *warn_flag; |
610 | |
611 | /* Check warning status */ |
612 | go_yell = 0; |
98ecbbc6 |
613 | regex_whine = 0; |
614 | fm_whine = 0; |
ebb2c5b9 |
615 | |
78dfb4e7 |
616 | if (NULL != (warn_flag = perl_get_sv("Devel::Size::warn", FALSE))) { |
ebb2c5b9 |
617 | go_yell = SvIV(warn_flag); |
618 | } |
619 | |
6a9ad7ec |
620 | |
621 | /* If they passed us a reference then dereference it. This is the |
622 | only way we can check the sizes of arrays and hashes */ |
623 | if (SvOK(thing) && SvROK(thing)) { |
624 | thing = SvRV(thing); |
625 | } |
626 | |
627 | RETVAL = thing_size(thing, tracking_hash); |
628 | /* Clean up after ourselves */ |
629 | SvREFCNT_dec(tracking_hash); |
630 | } |
631 | OUTPUT: |
632 | RETVAL |
633 | |
634 | |
635 | IV |
636 | total_size(orig_thing) |
637 | SV *orig_thing |
638 | CODE: |
639 | { |
640 | SV *thing = orig_thing; |
641 | /* Hash to track our seen pointers */ |
642 | HV *tracking_hash = newHV(); |
643 | AV *pending_array = newAV(); |
b98fcdb9 |
644 | IV size = 0; |
ebb2c5b9 |
645 | SV *warn_flag; |
b98fcdb9 |
646 | |
647 | IV count = 0; |
6a9ad7ec |
648 | |
649 | /* Size starts at zero */ |
650 | RETVAL = 0; |
651 | |
ebb2c5b9 |
652 | /* Check warning status */ |
653 | go_yell = 0; |
98ecbbc6 |
654 | regex_whine = 0; |
655 | fm_whine = 0; |
ebb2c5b9 |
656 | |
78dfb4e7 |
657 | if (NULL != (warn_flag = perl_get_sv("Devel::Size::warn", FALSE))) { |
ebb2c5b9 |
658 | go_yell = SvIV(warn_flag); |
659 | } |
660 | |
661 | |
6a9ad7ec |
662 | /* If they passed us a reference then dereference it. This is the |
663 | only way we can check the sizes of arrays and hashes */ |
664 | if (SvOK(thing) && SvROK(thing)) { |
665 | thing = SvRV(thing); |
666 | } |
667 | |
668 | /* Put it on the pending array */ |
669 | av_push(pending_array, thing); |
670 | |
671 | /* Now just yank things off the end of the array until it's done */ |
e96acca9 |
672 | while (av_len(pending_array) >= 0) { |
673 | thing = av_pop(pending_array); |
6a9ad7ec |
674 | /* Process it if we've not seen it */ |
675 | if (check_new(tracking_hash, thing)) { |
e96acca9 |
676 | /* Is it valid? */ |
677 | if (thing) { |
6a9ad7ec |
678 | /* Yes, it is. So let's check the type */ |
6a9ad7ec |
679 | switch (SvTYPE(thing)) { |
680 | case SVt_RV: |
681 | av_push(pending_array, SvRV(thing)); |
682 | break; |
683 | |
684 | case SVt_PVAV: |
685 | { |
686 | /* Quick alias to cut down on casting */ |
687 | AV *tempAV = (AV *)thing; |
688 | SV **tempSV; |
689 | |
690 | /* Any elements? */ |
691 | if (av_len(tempAV) != -1) { |
692 | IV index; |
693 | /* Run through them all */ |
694 | for (index = 0; index <= av_len(tempAV); index++) { |
695 | /* Did we get something? */ |
696 | if (tempSV = av_fetch(tempAV, index, 0)) { |
697 | /* Was it undef? */ |
698 | if (*tempSV != &PL_sv_undef) { |
699 | /* Apparently not. Save it for later */ |
700 | av_push(pending_array, *tempSV); |
701 | } |
702 | } |
703 | } |
704 | } |
705 | } |
706 | break; |
707 | |
708 | case SVt_PVHV: |
e96acca9 |
709 | /* Is there anything in here? */ |
710 | if (hv_iterinit((HV *)thing)) { |
5c2e1b12 |
711 | HE *temp_he; |
712 | while (temp_he = hv_iternext((HV *)thing)) { |
713 | av_push(pending_array, hv_iterval((HV *)thing, temp_he)); |
e96acca9 |
714 | } |
715 | } |
6a9ad7ec |
716 | break; |
717 | |
5c2e1b12 |
718 | case SVt_PVGV: |
0bff12d8 |
719 | /* Run through all the pieces and push the ones with bits */ |
720 | if (GvSV(thing)) { |
721 | av_push(pending_array, (SV *)GvSV(thing)); |
722 | } |
723 | if (GvFORM(thing)) { |
724 | av_push(pending_array, (SV *)GvFORM(thing)); |
725 | } |
726 | if (GvAV(thing)) { |
727 | av_push(pending_array, (SV *)GvAV(thing)); |
728 | } |
729 | if (GvHV(thing)) { |
730 | av_push(pending_array, (SV *)GvHV(thing)); |
731 | } |
732 | if (GvCV(thing)) { |
733 | av_push(pending_array, (SV *)GvCV(thing)); |
734 | } |
735 | break; |
6a9ad7ec |
736 | default: |
e96acca9 |
737 | break; |
6a9ad7ec |
738 | } |
739 | } |
740 | |
b98fcdb9 |
741 | |
742 | size = thing_size(thing, tracking_hash); |
743 | RETVAL += size; |
6a9ad7ec |
744 | } |
745 | } |
746 | |
747 | /* Clean up after ourselves */ |
748 | SvREFCNT_dec(tracking_hash); |
749 | SvREFCNT_dec(pending_array); |
e98cedbf |
750 | } |
751 | OUTPUT: |
752 | RETVAL |
6a9ad7ec |
753 | |