Commit | Line | Data |
e98cedbf |
1 | #include "EXTERN.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
4 | |
6a9ad7ec |
5 | #define carp puts |
7ccc7d88 |
6 | UV thing_size(SV *, HV *); |
7 | typedef enum { |
8 | OPc_NULL, /* 0 */ |
9 | OPc_BASEOP, /* 1 */ |
10 | OPc_UNOP, /* 2 */ |
11 | OPc_BINOP, /* 3 */ |
12 | OPc_LOGOP, /* 4 */ |
13 | OPc_LISTOP, /* 5 */ |
14 | OPc_PMOP, /* 6 */ |
15 | OPc_SVOP, /* 7 */ |
16 | OPc_PADOP, /* 8 */ |
17 | OPc_PVOP, /* 9 */ |
18 | OPc_CVOP, /* 10 */ |
19 | OPc_LOOP, /* 11 */ |
20 | OPc_COP /* 12 */ |
21 | } opclass; |
22 | |
23 | static opclass |
24 | cc_opclass(OP *o) |
25 | { |
26 | if (!o) |
27 | return OPc_NULL; |
28 | |
29 | if (o->op_type == 0) |
30 | return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP; |
31 | |
32 | if (o->op_type == OP_SASSIGN) |
33 | return ((o->op_private & OPpASSIGN_BACKWARDS) ? OPc_UNOP : OPc_BINOP); |
34 | |
35 | #ifdef USE_ITHREADS |
36 | if (o->op_type == OP_GV || o->op_type == OP_GVSV || o->op_type == OP_AELEMFAST) |
37 | return OPc_PADOP; |
38 | #endif |
39 | |
40 | switch (PL_opargs[o->op_type] & OA_CLASS_MASK) { |
41 | case OA_BASEOP: |
42 | return OPc_BASEOP; |
43 | |
44 | case OA_UNOP: |
45 | return OPc_UNOP; |
46 | |
47 | case OA_BINOP: |
48 | return OPc_BINOP; |
49 | |
50 | case OA_LOGOP: |
51 | return OPc_LOGOP; |
52 | |
53 | case OA_LISTOP: |
54 | return OPc_LISTOP; |
55 | |
56 | case OA_PMOP: |
57 | return OPc_PMOP; |
58 | |
59 | case OA_SVOP: |
60 | return OPc_SVOP; |
61 | |
62 | case OA_PADOP: |
63 | return OPc_PADOP; |
64 | |
65 | case OA_PVOP_OR_SVOP: |
66 | /* |
67 | * Character translations (tr///) are usually a PVOP, keeping a |
68 | * pointer to a table of shorts used to look up translations. |
69 | * Under utf8, however, a simple table isn't practical; instead, |
70 | * the OP is an SVOP, and the SV is a reference to a swash |
71 | * (i.e., an RV pointing to an HV). |
72 | */ |
73 | return (o->op_private & (OPpTRANS_TO_UTF|OPpTRANS_FROM_UTF)) |
74 | ? OPc_SVOP : OPc_PVOP; |
75 | |
76 | case OA_LOOP: |
77 | return OPc_LOOP; |
78 | |
79 | case OA_COP: |
80 | return OPc_COP; |
81 | |
82 | case OA_BASEOP_OR_UNOP: |
83 | /* |
84 | * UNI(OP_foo) in toke.c returns token UNI or FUNC1 depending on |
85 | * whether parens were seen. perly.y uses OPf_SPECIAL to |
86 | * signal whether a BASEOP had empty parens or none. |
87 | * Some other UNOPs are created later, though, so the best |
88 | * test is OPf_KIDS, which is set in newUNOP. |
89 | */ |
90 | return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP; |
91 | |
92 | case OA_FILESTATOP: |
93 | /* |
94 | * The file stat OPs are created via UNI(OP_foo) in toke.c but use |
95 | * the OPf_REF flag to distinguish between OP types instead of the |
96 | * usual OPf_SPECIAL flag. As usual, if OPf_KIDS is set, then we |
97 | * return OPc_UNOP so that walkoptree can find our children. If |
98 | * OPf_KIDS is not set then we check OPf_REF. Without OPf_REF set |
99 | * (no argument to the operator) it's an OP; with OPf_REF set it's |
100 | * an SVOP (and op_sv is the GV for the filehandle argument). |
101 | */ |
102 | return ((o->op_flags & OPf_KIDS) ? OPc_UNOP : |
103 | #ifdef USE_ITHREADS |
104 | (o->op_flags & OPf_REF) ? OPc_PADOP : OPc_BASEOP); |
105 | #else |
106 | (o->op_flags & OPf_REF) ? OPc_SVOP : OPc_BASEOP); |
107 | #endif |
108 | case OA_LOOPEXOP: |
109 | /* |
110 | * next, last, redo, dump and goto use OPf_SPECIAL to indicate that a |
111 | * label was omitted (in which case it's a BASEOP) or else a term was |
112 | * seen. In this last case, all except goto are definitely PVOP but |
113 | * goto is either a PVOP (with an ordinary constant label), an UNOP |
114 | * with OPf_STACKED (with a non-constant non-sub) or an UNOP for |
115 | * OP_REFGEN (with goto &sub) in which case OPf_STACKED also seems to |
116 | * get set. |
117 | */ |
118 | if (o->op_flags & OPf_STACKED) |
119 | return OPc_UNOP; |
120 | else if (o->op_flags & OPf_SPECIAL) |
121 | return OPc_BASEOP; |
122 | else |
123 | return OPc_PVOP; |
124 | } |
125 | warn("can't determine class of operator %s, assuming BASEOP\n", |
126 | PL_op_name[o->op_type]); |
127 | return OPc_BASEOP; |
128 | } |
129 | |
6a9ad7ec |
130 | |
a6ea0805 |
131 | #if !defined(NV) |
132 | #define NV double |
133 | #endif |
134 | |
ebb2c5b9 |
135 | static int go_yell = 1; |
136 | |
6a9ad7ec |
137 | /* Checks to see if thing is in the hash. Returns true or false, and |
138 | notes thing in the hash. |
139 | |
140 | This code does one Evil Thing. Since we're tracking pointers, we |
141 | tell perl that the string key is the address in the pointer. We do this by |
142 | passing in the address of the address, along with the size of a |
143 | pointer as the length. Perl then uses the four (or eight, on |
144 | 64-bit machines) bytes of the address as the string we're using as |
145 | the key */ |
146 | IV check_new(HV *tracking_hash, void *thing) { |
7ccc7d88 |
147 | if (NULL == thing) { |
148 | return FALSE; |
149 | } |
6a9ad7ec |
150 | if (hv_exists(tracking_hash, (char *)&thing, sizeof(void *))) { |
151 | return FALSE; |
152 | } |
78dfb4e7 |
153 | hv_store(tracking_hash, (char *)&thing, sizeof(void *), &PL_sv_yes, 0); |
6a9ad7ec |
154 | return TRUE; |
155 | |
156 | } |
157 | |
158 | /* Figure out how much magic is attached to the SV and return the |
159 | size */ |
160 | IV magic_size(SV *thing, HV *tracking_hash) { |
161 | IV total_size = 0; |
162 | MAGIC *magic_pointer; |
163 | |
164 | /* Is there any? */ |
165 | if (!SvMAGIC(thing)) { |
166 | /* No, bail */ |
167 | return 0; |
168 | } |
169 | |
170 | /* Get the base magic pointer */ |
171 | magic_pointer = SvMAGIC(thing); |
172 | |
173 | /* Have we seen the magic pointer? */ |
174 | while (magic_pointer && check_new(tracking_hash, magic_pointer)) { |
175 | total_size += sizeof(MAGIC); |
176 | |
177 | /* Have we seen the magic vtable? */ |
178 | if (magic_pointer->mg_virtual && |
179 | check_new(tracking_hash, magic_pointer->mg_virtual)) { |
180 | total_size += sizeof(MGVTBL); |
181 | } |
182 | |
183 | /* Get the next in the chain */ |
184 | magic_pointer = magic_pointer->mg_moremagic; |
185 | } |
186 | |
187 | return total_size; |
188 | } |
189 | |
7ccc7d88 |
190 | UV regex_size(REGEXP *baseregex, HV *tracking_hash) { |
191 | UV total_size = 0; |
192 | |
193 | return total_size; |
194 | } |
195 | |
196 | UV op_size(OP *baseop, HV *tracking_hash) { |
197 | UV total_size = 0; |
198 | |
199 | if (check_new(tracking_hash, baseop->op_next)) { |
200 | total_size += op_size(baseop->op_next, tracking_hash); |
201 | } |
202 | if (check_new(tracking_hash, baseop->op_next)) { |
203 | total_size += op_size(baseop->op_next, tracking_hash); |
204 | } |
205 | |
206 | switch (cc_opclass(baseop)) { |
207 | case OPc_BASEOP: |
208 | total_size += sizeof(struct op); |
209 | break; |
210 | case OPc_UNOP: |
211 | total_size += sizeof(struct unop); |
212 | if (check_new(tracking_hash, cUNOPx(baseop)->op_first)) { |
213 | total_size += op_size(cUNOPx(baseop)->op_first, tracking_hash); |
214 | } |
215 | break; |
216 | case OPc_BINOP: |
217 | total_size += sizeof(struct binop); |
218 | if (check_new(tracking_hash, cBINOPx(baseop)->op_first)) { |
219 | total_size += op_size(cBINOPx(baseop)->op_first, tracking_hash); |
220 | } |
221 | if (check_new(tracking_hash, cBINOPx(baseop)->op_last)) { |
222 | total_size += op_size(cBINOPx(baseop)->op_last, tracking_hash); |
223 | } |
224 | break; |
225 | case OPc_LOGOP: |
226 | total_size += sizeof(struct logop); |
227 | if (check_new(tracking_hash, cLOGOPx(baseop)->op_first)) { |
228 | total_size += op_size(cBINOPx(baseop)->op_first, tracking_hash); |
229 | } |
230 | if (check_new(tracking_hash, cLOGOPx(baseop)->op_other)) { |
231 | total_size += op_size(cLOGOPx(baseop)->op_other, tracking_hash); |
232 | } |
233 | break; |
234 | case OPc_LISTOP: |
235 | total_size += sizeof(struct listop); |
236 | if (check_new(tracking_hash, cLISTOPx(baseop)->op_first)) { |
237 | total_size += op_size(cLISTOPx(baseop)->op_first, tracking_hash); |
238 | } |
239 | if (check_new(tracking_hash, cLISTOPx(baseop)->op_last)) { |
240 | total_size += op_size(cLISTOPx(baseop)->op_last, tracking_hash); |
241 | } |
242 | break; |
243 | case OPc_PMOP: |
244 | total_size += sizeof(struct pmop); |
245 | if (check_new(tracking_hash, cPMOPx(baseop)->op_first)) { |
246 | total_size += op_size(cPMOPx(baseop)->op_first, tracking_hash); |
247 | } |
248 | if (check_new(tracking_hash, cPMOPx(baseop)->op_last)) { |
249 | total_size += op_size(cPMOPx(baseop)->op_last, tracking_hash); |
250 | } |
251 | if (check_new(tracking_hash, cPMOPx(baseop)->op_pmreplroot)) { |
252 | total_size += op_size(cPMOPx(baseop)->op_pmreplroot, tracking_hash); |
253 | } |
254 | if (check_new(tracking_hash, cPMOPx(baseop)->op_pmreplstart)) { |
255 | total_size += op_size(cPMOPx(baseop)->op_pmreplstart, tracking_hash); |
256 | } |
257 | if (check_new(tracking_hash, cPMOPx(baseop)->op_pmnext)) { |
258 | total_size += op_size((OP *)cPMOPx(baseop)->op_pmnext, tracking_hash); |
259 | } |
260 | // if (check_new(tracking_hash, cPMOPx(baseop)->op_pmregexp)) { |
261 | // total_size += regex_size(cPMOPx(baseop)->op_pmregexp, tracking_hash); |
262 | //} |
263 | break; |
264 | case OPc_SVOP: |
265 | total_size += sizeof(struct pmop); |
266 | if (check_new(tracking_hash, cSVOPx(baseop)->op_sv)) { |
267 | total_size += thing_size(cSVOPx(baseop)->op_sv, tracking_hash); |
268 | } |
269 | break; |
270 | case OPc_PADOP: |
271 | total_size += sizeof(struct padop); |
272 | break; |
273 | case OPc_PVOP: |
274 | if (check_new(tracking_hash, cPVOPx(baseop)->op_pv)) { |
275 | total_size += strlen(cPVOPx(baseop)->op_pv); |
276 | } |
277 | case OPc_LOOP: |
278 | total_size += sizeof(struct loop); |
279 | if (check_new(tracking_hash, cLOOPx(baseop)->op_first)) { |
280 | total_size += op_size(cLOOPx(baseop)->op_first, tracking_hash); |
281 | } |
282 | if (check_new(tracking_hash, cLOOPx(baseop)->op_last)) { |
283 | total_size += op_size(cLOOPx(baseop)->op_last, tracking_hash); |
284 | } |
285 | if (check_new(tracking_hash, cLOOPx(baseop)->op_redoop)) { |
286 | total_size += op_size(cLOOPx(baseop)->op_redoop, tracking_hash); |
287 | } |
288 | if (check_new(tracking_hash, cLOOPx(baseop)->op_nextop)) { |
289 | total_size += op_size(cLOOPx(baseop)->op_nextop, tracking_hash); |
290 | } |
a3ec2202 |
291 | // if (check_new(tracking_hash, cLOOPx(baseop)->op_lastop)) { |
292 | // total_size += op_size(cLOOPx(baseop)->op_lastop, tracking_hash); |
293 | // } |
7ccc7d88 |
294 | case OPc_COP: |
295 | { |
296 | COP *basecop; |
297 | basecop = (COP *)baseop; |
298 | total_size += sizeof(struct cop); |
299 | |
300 | if (check_new(tracking_hash, basecop->cop_label)) { |
301 | total_size += strlen(basecop->cop_label); |
302 | } |
303 | #ifdef USE_ITHREADS |
304 | if (check_new(tracking_hash, basecop->cop_file)) { |
305 | total_size += strlen(basecop->cop_file); |
306 | } |
307 | if (check_new(tracking_hash, basecop->cop_stashpv)) { |
308 | total_size += strlen(basecop->cop_stashpv); |
309 | } |
310 | #else |
311 | if (check_new(tracking_hash, basecop->cop_stash)) { |
312 | total_size += thing_size((SV *)basecop->cop_stash, tracking_hash); |
313 | } |
314 | if (check_new(tracking_hash, basecop->cop_filegv)) { |
315 | total_size += thing_size((SV *)basecop->cop_filegv, tracking_hash); |
316 | } |
317 | #endif |
318 | |
319 | } |
320 | break; |
321 | default: |
322 | break; |
323 | } |
324 | return total_size; |
325 | } |
6a9ad7ec |
326 | |
327 | UV thing_size(SV *orig_thing, HV *tracking_hash) { |
e98cedbf |
328 | SV *thing = orig_thing; |
329 | UV total_size = sizeof(SV); |
330 | |
e98cedbf |
331 | switch (SvTYPE(thing)) { |
332 | /* Is it undef? */ |
333 | case SVt_NULL: |
334 | break; |
335 | /* Just a plain integer. This will be differently sized depending |
336 | on whether purify's been compiled in */ |
337 | case SVt_IV: |
338 | #ifdef PURIFY |
339 | total_size += sizeof(sizeof(XPVIV)); |
340 | #else |
341 | total_size += sizeof(IV); |
342 | #endif |
343 | break; |
344 | /* Is it a float? Like the int, it depends on purify */ |
345 | case SVt_NV: |
346 | #ifdef PURIFY |
347 | total_size += sizeof(sizeof(XPVNV)); |
348 | #else |
349 | total_size += sizeof(NV); |
350 | #endif |
351 | break; |
352 | /* Is it a reference? */ |
353 | case SVt_RV: |
354 | total_size += sizeof(XRV); |
355 | break; |
356 | /* How about a plain string? In which case we need to add in how |
357 | much has been allocated */ |
358 | case SVt_PV: |
359 | total_size += sizeof(XPV); |
360 | total_size += SvLEN(thing); |
361 | break; |
362 | /* A string with an integer part? */ |
363 | case SVt_PVIV: |
364 | total_size += sizeof(XPVIV); |
365 | total_size += SvLEN(thing); |
366 | break; |
367 | /* A string with a float part? */ |
368 | case SVt_PVNV: |
369 | total_size += sizeof(XPVNV); |
370 | total_size += SvLEN(thing); |
371 | break; |
372 | case SVt_PVMG: |
4ab42718 |
373 | total_size += sizeof(XPVMG); |
374 | total_size += SvLEN(thing); |
6a9ad7ec |
375 | total_size += magic_size(thing, tracking_hash); |
e98cedbf |
376 | break; |
377 | case SVt_PVBM: |
6a9ad7ec |
378 | total_size += sizeof(XPVBM); |
379 | total_size += SvLEN(thing); |
380 | total_size += magic_size(thing, tracking_hash); |
e98cedbf |
381 | break; |
382 | case SVt_PVLV: |
6a9ad7ec |
383 | total_size += sizeof(XPVLV); |
384 | total_size += SvLEN(thing); |
385 | total_size += magic_size(thing, tracking_hash); |
e98cedbf |
386 | break; |
387 | /* How much space is dedicated to the array? Not counting the |
388 | elements in the array, mind, just the array itself */ |
389 | case SVt_PVAV: |
390 | total_size += sizeof(XPVAV); |
391 | /* Is there anything in the array? */ |
392 | if (AvMAX(thing) != -1) { |
393 | total_size += sizeof(SV *) * AvMAX(thing); |
394 | } |
395 | /* Add in the bits on the other side of the beginning */ |
396 | total_size += (sizeof(SV *) * (AvARRAY(thing) - AvALLOC(thing))); |
397 | /* Is there something hanging off the arylen element? */ |
398 | if (AvARYLEN(thing)) { |
6a9ad7ec |
399 | if (check_new(tracking_hash, AvARYLEN(thing))) { |
400 | total_size += thing_size(AvARYLEN(thing), tracking_hash); |
401 | } |
e98cedbf |
402 | } |
6a9ad7ec |
403 | total_size += magic_size(thing, tracking_hash); |
e98cedbf |
404 | break; |
405 | case SVt_PVHV: |
a6ea0805 |
406 | /* First the base struct */ |
407 | total_size += sizeof(XPVHV); |
408 | /* Now the array of buckets */ |
409 | total_size += (sizeof(HE *) * (HvMAX(thing) + 1)); |
410 | /* Now walk the bucket chain */ |
6a9ad7ec |
411 | if (HvARRAY(thing)) { |
a6ea0805 |
412 | HE *cur_entry; |
413 | IV cur_bucket = 0; |
a6ea0805 |
414 | for (cur_bucket = 0; cur_bucket <= HvMAX(thing); cur_bucket++) { |
415 | cur_entry = *(HvARRAY(thing) + cur_bucket); |
416 | while (cur_entry) { |
417 | total_size += sizeof(HE); |
418 | if (cur_entry->hent_hek) { |
6a9ad7ec |
419 | /* Hash keys can be shared. Have we seen this before? */ |
420 | if (check_new(tracking_hash, cur_entry->hent_hek)) { |
b98fcdb9 |
421 | total_size += HEK_BASESIZE + cur_entry->hent_hek->hek_len + 2; |
6a9ad7ec |
422 | } |
a6ea0805 |
423 | } |
424 | cur_entry = cur_entry->hent_next; |
425 | } |
426 | } |
427 | } |
6a9ad7ec |
428 | total_size += magic_size(thing, tracking_hash); |
e98cedbf |
429 | break; |
430 | case SVt_PVCV: |
6a9ad7ec |
431 | total_size += sizeof(XPVCV); |
5c2e1b12 |
432 | total_size += magic_size(thing, tracking_hash); |
7ccc7d88 |
433 | |
434 | total_size += ((XPVIO *) SvANY(thing))->xpv_len; |
435 | if (check_new(tracking_hash, CvSTASH(thing))) { |
436 | total_size += thing_size((SV *)CvSTASH(thing), tracking_hash); |
437 | } |
438 | if (check_new(tracking_hash, SvSTASH(thing))) { |
439 | total_size += thing_size((SV *)SvSTASH(thing), tracking_hash); |
440 | } |
441 | if (check_new(tracking_hash, CvGV(thing))) { |
442 | total_size += thing_size((SV *)CvGV(thing), tracking_hash); |
ebb2c5b9 |
443 | } |
7ccc7d88 |
444 | if (check_new(tracking_hash, CvPADLIST(thing))) { |
445 | total_size += thing_size((SV *)CvPADLIST(thing), tracking_hash); |
446 | } |
447 | if (check_new(tracking_hash, CvOUTSIDE(thing))) { |
448 | total_size += thing_size((SV *)CvOUTSIDE(thing), tracking_hash); |
449 | } |
450 | |
451 | if (check_new(tracking_hash, CvSTART(thing))) { |
452 | total_size += op_size(CvSTART(thing), tracking_hash); |
453 | } |
454 | if (check_new(tracking_hash, CvROOT(thing))) { |
455 | total_size += op_size(CvROOT(thing), tracking_hash); |
456 | } |
457 | |
e98cedbf |
458 | break; |
459 | case SVt_PVGV: |
5c2e1b12 |
460 | total_size += magic_size(thing, tracking_hash); |
6a9ad7ec |
461 | total_size += sizeof(XPVGV); |
5c2e1b12 |
462 | total_size += GvNAMELEN(thing); |
78dfb4e7 |
463 | #ifdef GvFILE |
0bff12d8 |
464 | /* Is there a file? */ |
465 | if (GvFILE(thing)) { |
466 | if (check_new(tracking_hash, GvFILE(thing))) { |
467 | total_size += strlen(GvFILE(thing)); |
468 | } |
469 | } |
78dfb4e7 |
470 | #endif |
5c2e1b12 |
471 | /* Is there something hanging off the glob? */ |
472 | if (GvGP(thing)) { |
473 | if (check_new(tracking_hash, GvGP(thing))) { |
474 | total_size += sizeof(GP); |
5073b933 |
475 | { |
476 | SV *generic_thing; |
477 | if (generic_thing = (SV *)(GvGP(thing)->gp_sv)) { |
478 | total_size += thing_size(generic_thing, tracking_hash); |
479 | } |
480 | if (generic_thing = (SV *)(GvGP(thing)->gp_form)) { |
481 | total_size += thing_size(generic_thing, tracking_hash); |
482 | } |
483 | if (generic_thing = (SV *)(GvGP(thing)->gp_av)) { |
484 | total_size += thing_size(generic_thing, tracking_hash); |
485 | } |
486 | if (generic_thing = (SV *)(GvGP(thing)->gp_hv)) { |
487 | total_size += thing_size(generic_thing, tracking_hash); |
488 | } |
489 | if (generic_thing = (SV *)(GvGP(thing)->gp_egv)) { |
490 | total_size += thing_size(generic_thing, tracking_hash); |
491 | } |
492 | if (generic_thing = (SV *)(GvGP(thing)->gp_cv)) { |
493 | total_size += thing_size(generic_thing, tracking_hash); |
494 | } |
495 | } |
5c2e1b12 |
496 | } |
497 | } |
e98cedbf |
498 | break; |
499 | case SVt_PVFM: |
6a9ad7ec |
500 | total_size += sizeof(XPVFM); |
7ccc7d88 |
501 | total_size += magic_size(thing, tracking_hash); |
502 | total_size += ((XPVIO *) SvANY(thing))->xpv_len; |
503 | if (check_new(tracking_hash, CvPADLIST(thing))) { |
504 | total_size += thing_size((SV *)CvPADLIST(thing), tracking_hash); |
505 | } |
506 | if (check_new(tracking_hash, CvOUTSIDE(thing))) { |
507 | total_size += thing_size((SV *)CvOUTSIDE(thing), tracking_hash); |
508 | } |
509 | |
ebb2c5b9 |
510 | if (go_yell) { |
5073b933 |
511 | carp("Devel::Size: Calculated sizes for FMs are incomplete"); |
ebb2c5b9 |
512 | } |
e98cedbf |
513 | break; |
514 | case SVt_PVIO: |
6a9ad7ec |
515 | total_size += sizeof(XPVIO); |
5073b933 |
516 | total_size += magic_size(thing, tracking_hash); |
517 | if (check_new(tracking_hash, ((XPVIO *) SvANY(thing))->xpv_pv)) { |
518 | total_size += ((XPVIO *) SvANY(thing))->xpv_cur; |
ebb2c5b9 |
519 | } |
5073b933 |
520 | /* Some embedded char pointers */ |
521 | if (check_new(tracking_hash, ((XPVIO *) SvANY(thing))->xio_top_name)) { |
522 | total_size += strlen(((XPVIO *) SvANY(thing))->xio_top_name); |
523 | } |
524 | if (check_new(tracking_hash, ((XPVIO *) SvANY(thing))->xio_fmt_name)) { |
525 | total_size += strlen(((XPVIO *) SvANY(thing))->xio_fmt_name); |
526 | } |
527 | if (check_new(tracking_hash, ((XPVIO *) SvANY(thing))->xio_bottom_name)) { |
528 | total_size += strlen(((XPVIO *) SvANY(thing))->xio_bottom_name); |
529 | } |
530 | /* Throw the GVs on the list to be walked if they're not-null */ |
531 | if (((XPVIO *) SvANY(thing))->xio_top_gv) { |
532 | total_size += thing_size((SV *)((XPVIO *) SvANY(thing))->xio_top_gv, |
533 | tracking_hash); |
534 | } |
535 | if (((XPVIO *) SvANY(thing))->xio_bottom_gv) { |
536 | total_size += thing_size((SV *)((XPVIO *) SvANY(thing))->xio_bottom_gv, |
537 | tracking_hash); |
538 | } |
539 | if (((XPVIO *) SvANY(thing))->xio_fmt_gv) { |
540 | total_size += thing_size((SV *)((XPVIO *) SvANY(thing))->xio_fmt_gv, |
541 | tracking_hash); |
542 | } |
543 | |
544 | /* Only go trotting through the IO structures if they're really |
545 | trottable. If USE_PERLIO is defined we can do this. If |
546 | not... we can't, so we don't even try */ |
547 | #ifdef USE_PERLIO |
548 | /* Dig into xio_ifp and xio_ofp here */ |
549 | croak("Devel::Size: Can't size up perlio layers yet"); |
550 | #endif |
e98cedbf |
551 | break; |
552 | default: |
5073b933 |
553 | croak("Devel::Size: Unknown variable type"); |
e98cedbf |
554 | } |
555 | return total_size; |
556 | } |
557 | |
e98cedbf |
558 | MODULE = Devel::Size PACKAGE = Devel::Size |
559 | |
fea63ffa |
560 | PROTOTYPES: DISABLE |
561 | |
a6ea0805 |
562 | IV |
563 | size(orig_thing) |
564 | SV *orig_thing |
e98cedbf |
565 | CODE: |
566 | { |
6a9ad7ec |
567 | SV *thing = orig_thing; |
568 | /* Hash to track our seen pointers */ |
569 | HV *tracking_hash = newHV(); |
ebb2c5b9 |
570 | SV *warn_flag; |
571 | |
572 | /* Check warning status */ |
573 | go_yell = 0; |
574 | |
78dfb4e7 |
575 | if (NULL != (warn_flag = perl_get_sv("Devel::Size::warn", FALSE))) { |
ebb2c5b9 |
576 | go_yell = SvIV(warn_flag); |
577 | } |
578 | |
6a9ad7ec |
579 | |
580 | /* If they passed us a reference then dereference it. This is the |
581 | only way we can check the sizes of arrays and hashes */ |
582 | if (SvOK(thing) && SvROK(thing)) { |
583 | thing = SvRV(thing); |
584 | } |
585 | |
586 | RETVAL = thing_size(thing, tracking_hash); |
587 | /* Clean up after ourselves */ |
588 | SvREFCNT_dec(tracking_hash); |
589 | } |
590 | OUTPUT: |
591 | RETVAL |
592 | |
593 | |
594 | IV |
595 | total_size(orig_thing) |
596 | SV *orig_thing |
597 | CODE: |
598 | { |
599 | SV *thing = orig_thing; |
600 | /* Hash to track our seen pointers */ |
601 | HV *tracking_hash = newHV(); |
602 | AV *pending_array = newAV(); |
b98fcdb9 |
603 | IV size = 0; |
ebb2c5b9 |
604 | SV *warn_flag; |
b98fcdb9 |
605 | |
606 | IV count = 0; |
6a9ad7ec |
607 | |
608 | /* Size starts at zero */ |
609 | RETVAL = 0; |
610 | |
ebb2c5b9 |
611 | /* Check warning status */ |
612 | go_yell = 0; |
613 | |
78dfb4e7 |
614 | if (NULL != (warn_flag = perl_get_sv("Devel::Size::warn", FALSE))) { |
ebb2c5b9 |
615 | go_yell = SvIV(warn_flag); |
616 | } |
617 | |
618 | |
6a9ad7ec |
619 | /* If they passed us a reference then dereference it. This is the |
620 | only way we can check the sizes of arrays and hashes */ |
621 | if (SvOK(thing) && SvROK(thing)) { |
622 | thing = SvRV(thing); |
623 | } |
624 | |
625 | /* Put it on the pending array */ |
626 | av_push(pending_array, thing); |
627 | |
628 | /* Now just yank things off the end of the array until it's done */ |
e96acca9 |
629 | while (av_len(pending_array) >= 0) { |
630 | thing = av_pop(pending_array); |
6a9ad7ec |
631 | /* Process it if we've not seen it */ |
632 | if (check_new(tracking_hash, thing)) { |
e96acca9 |
633 | /* Is it valid? */ |
634 | if (thing) { |
6a9ad7ec |
635 | /* Yes, it is. So let's check the type */ |
6a9ad7ec |
636 | switch (SvTYPE(thing)) { |
637 | case SVt_RV: |
638 | av_push(pending_array, SvRV(thing)); |
639 | break; |
640 | |
641 | case SVt_PVAV: |
642 | { |
643 | /* Quick alias to cut down on casting */ |
644 | AV *tempAV = (AV *)thing; |
645 | SV **tempSV; |
646 | |
647 | /* Any elements? */ |
648 | if (av_len(tempAV) != -1) { |
649 | IV index; |
650 | /* Run through them all */ |
651 | for (index = 0; index <= av_len(tempAV); index++) { |
652 | /* Did we get something? */ |
653 | if (tempSV = av_fetch(tempAV, index, 0)) { |
654 | /* Was it undef? */ |
655 | if (*tempSV != &PL_sv_undef) { |
656 | /* Apparently not. Save it for later */ |
657 | av_push(pending_array, *tempSV); |
658 | } |
659 | } |
660 | } |
661 | } |
662 | } |
663 | break; |
664 | |
665 | case SVt_PVHV: |
e96acca9 |
666 | /* Is there anything in here? */ |
667 | if (hv_iterinit((HV *)thing)) { |
5c2e1b12 |
668 | HE *temp_he; |
669 | while (temp_he = hv_iternext((HV *)thing)) { |
670 | av_push(pending_array, hv_iterval((HV *)thing, temp_he)); |
e96acca9 |
671 | } |
672 | } |
6a9ad7ec |
673 | break; |
674 | |
5c2e1b12 |
675 | case SVt_PVGV: |
0bff12d8 |
676 | /* Run through all the pieces and push the ones with bits */ |
677 | if (GvSV(thing)) { |
678 | av_push(pending_array, (SV *)GvSV(thing)); |
679 | } |
680 | if (GvFORM(thing)) { |
681 | av_push(pending_array, (SV *)GvFORM(thing)); |
682 | } |
683 | if (GvAV(thing)) { |
684 | av_push(pending_array, (SV *)GvAV(thing)); |
685 | } |
686 | if (GvHV(thing)) { |
687 | av_push(pending_array, (SV *)GvHV(thing)); |
688 | } |
689 | if (GvCV(thing)) { |
690 | av_push(pending_array, (SV *)GvCV(thing)); |
691 | } |
692 | break; |
6a9ad7ec |
693 | default: |
e96acca9 |
694 | break; |
6a9ad7ec |
695 | } |
696 | } |
697 | |
b98fcdb9 |
698 | |
699 | size = thing_size(thing, tracking_hash); |
700 | RETVAL += size; |
6a9ad7ec |
701 | } |
702 | } |
703 | |
704 | /* Clean up after ourselves */ |
705 | SvREFCNT_dec(tracking_hash); |
706 | SvREFCNT_dec(pending_array); |
e98cedbf |
707 | } |
708 | OUTPUT: |
709 | RETVAL |
6a9ad7ec |
710 | |