Commit | Line | Data |
59017825 |
1 | #include "EXTERN.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
4 | |
dfabcbae |
5 | #define NEED_newRV_noinc |
6 | #define NEED_sv_2pv_flags |
7 | #include "ppport.h" |
8 | |
13f8a7b7 |
9 | #ifndef gv_fetchsv |
10 | #define gv_fetchsv(n,f,t) gv_fetchpv(SvPV_nolen(n), f, t) |
11 | #endif |
12 | |
13 | #ifndef mro_method_changed_in |
14 | #define mro_method_changed_in(x) PL_sub_generation++ |
15 | #endif |
16 | |
17 | #ifdef newSVhek |
18 | #define newSVhe(he) newSVhek(HeKEY_hek(he)) |
19 | #else |
3e37e315 |
20 | #define newSVhe(he) newSVpv(HePV(he, PL_na), 0) |
13f8a7b7 |
21 | #endif |
22 | |
23 | #ifndef savesvpv |
24 | #define savesvpv(s) savepv(SvPV_nolen(s)) |
25 | #endif |
26 | |
d551a208 |
27 | /* HACK: scalar slots are always populated on perl < 5.10, so treat undef |
28 | * as nonexistent. this is consistent with the previous behavior of the pure |
29 | * perl version of this module (since this is the behavior that perl sees |
30 | * in all versions */ |
31 | #if PERL_VERSION < 10 |
32 | #define GvSVOK(g) (GvSV(g) && SvTYPE(GvSV(g)) != SVt_NULL) |
33 | #else |
34 | #define GvSVOK(g) GvSV(g) |
35 | #endif |
36 | |
37 | #define GvAVOK(g) GvAV(g) |
38 | #define GvHVOK(g) GvHV(g) |
39 | #define GvCVOK(g) GvCVu(g) /* XXX: should this really be GvCVu? or GvCV? */ |
40 | #define GvIOOK(g) GvIO(g) |
41 | |
9aa6fe4f |
42 | /* see above - don't let scalar slots become unpopulated, this breaks |
43 | * assumptions in core */ |
3720d1a1 |
44 | #if PERL_VERSION < 10 |
45 | #define GvSetSV(g,v) do { \ |
46 | SV *_v = (SV*)(v); \ |
47 | SvREFCNT_dec(GvSV(g)); \ |
48 | if ((GvSV(g) = _v ? _v : newSV(0))) \ |
49 | GvIMPORTED_SV_on(g); \ |
50 | } while (0) |
51 | #else |
d551a208 |
52 | #define GvSetSV(g,v) do { \ |
53 | SvREFCNT_dec(GvSV(g)); \ |
54 | if ((GvSV(g) = (SV*)(v))) \ |
55 | GvIMPORTED_SV_on(g); \ |
56 | } while (0) |
3720d1a1 |
57 | #endif |
58 | |
d551a208 |
59 | #define GvSetAV(g,v) do { \ |
60 | SvREFCNT_dec(GvAV(g)); \ |
61 | if ((GvAV(g) = (AV*)(v))) \ |
62 | GvIMPORTED_AV_on(g); \ |
63 | } while (0) |
64 | #define GvSetHV(g,v) do { \ |
65 | SvREFCNT_dec(GvHV(g)); \ |
66 | if ((GvHV(g) = (HV*)(v))) \ |
67 | GvIMPORTED_HV_on(g); \ |
68 | } while (0) |
69 | #define GvSetCV(g,v) do { \ |
70 | SvREFCNT_dec(GvCV(g)); \ |
71 | if ((GvCV(g) = (CV*)(v))) { \ |
72 | GvIMPORTED_CV_on(g); \ |
73 | GvASSUMECV_on(g); \ |
74 | } \ |
75 | GvCVGEN(g) = 0; \ |
76 | mro_method_changed_in(GvSTASH(g)); \ |
77 | } while (0) |
78 | #define GvSetIO(g,v) do { \ |
79 | SvREFCNT_dec(GvIO(g)); \ |
80 | GvIOp(g) = (IO*)(v); \ |
81 | } while (0) |
82 | |
d1d0e437 |
83 | /* XXX: the core implementation of caller() is private, so we need a |
84 | * a reimplementation. luckily, padwalker already has done this. rafl says |
85 | * that there should be a public interface in 5.14, so maybe look into |
86 | * converting to use that at some point */ |
87 | #include "stolen_bits_of_padwalker.c" |
88 | |
a382a84b |
89 | typedef enum { |
90 | VAR_NONE = 0, |
91 | VAR_SCALAR, |
92 | VAR_ARRAY, |
93 | VAR_HASH, |
94 | VAR_CODE, |
95 | VAR_IO, |
96 | VAR_GLOB, /* TODO: unimplemented */ |
97 | VAR_FORMAT /* TODO: unimplemented */ |
98 | } vartype_t; |
99 | |
100 | typedef struct { |
101 | vartype_t type; |
a382a84b |
102 | char *name; |
103 | } varspec_t; |
104 | |
26f802f7 |
105 | static U32 name_hash, namespace_hash, type_hash; |
106 | static SV *name_key, *namespace_key, *type_key; |
107 | |
76f7c306 |
108 | const char *vartype_to_string(vartype_t type) |
109 | { |
110 | switch (type) { |
111 | case VAR_SCALAR: |
112 | return "SCALAR"; |
113 | case VAR_ARRAY: |
114 | return "ARRAY"; |
115 | case VAR_HASH: |
116 | return "HASH"; |
117 | case VAR_CODE: |
118 | return "CODE"; |
119 | case VAR_IO: |
120 | return "IO"; |
121 | default: |
122 | return "unknown"; |
123 | } |
124 | } |
125 | |
126 | I32 vartype_to_svtype(vartype_t type) |
127 | { |
128 | switch (type) { |
129 | case VAR_SCALAR: |
130 | return SVt_PV; /* or whatever */ |
131 | case VAR_ARRAY: |
132 | return SVt_PVAV; |
133 | case VAR_HASH: |
134 | return SVt_PVHV; |
135 | case VAR_CODE: |
136 | return SVt_PVCV; |
137 | case VAR_IO: |
138 | return SVt_PVIO; |
139 | default: |
140 | return SVt_NULL; |
141 | } |
142 | } |
143 | |
a382a84b |
144 | vartype_t string_to_vartype(char *vartype) |
145 | { |
146 | if (strEQ(vartype, "SCALAR")) { |
147 | return VAR_SCALAR; |
148 | } |
149 | else if (strEQ(vartype, "ARRAY")) { |
150 | return VAR_ARRAY; |
151 | } |
152 | else if (strEQ(vartype, "HASH")) { |
153 | return VAR_HASH; |
154 | } |
155 | else if (strEQ(vartype, "CODE")) { |
156 | return VAR_CODE; |
157 | } |
158 | else if (strEQ(vartype, "IO")) { |
159 | return VAR_IO; |
160 | } |
161 | else { |
162 | croak("Type must be one of 'SCALAR', 'ARRAY', 'HASH', 'CODE', or 'IO'"); |
163 | } |
164 | } |
165 | |
166 | void _deconstruct_variable_name(char *variable, varspec_t *varspec) |
167 | { |
168 | if (!variable || !variable[0]) |
169 | croak("You must pass a variable name"); |
170 | |
171 | varspec->type = VAR_NONE; |
172 | |
173 | switch (variable[0]) { |
174 | case '$': |
175 | varspec->type = VAR_SCALAR; |
176 | break; |
177 | case '@': |
178 | varspec->type = VAR_ARRAY; |
179 | break; |
180 | case '%': |
181 | varspec->type = VAR_HASH; |
182 | break; |
183 | case '&': |
184 | varspec->type = VAR_CODE; |
185 | break; |
186 | } |
187 | |
188 | if (varspec->type != VAR_NONE) { |
a382a84b |
189 | varspec->name = &variable[1]; |
190 | } |
191 | else { |
192 | varspec->type = VAR_IO; |
a382a84b |
193 | varspec->name = variable; |
194 | } |
195 | } |
196 | |
197 | void _deconstruct_variable_hash(HV *variable, varspec_t *varspec) |
198 | { |
26f802f7 |
199 | HE *val; |
200 | char *valpv; |
201 | STRLEN len; |
a382a84b |
202 | |
26f802f7 |
203 | val = hv_fetch_ent(variable, name_key, 0, name_hash); |
a382a84b |
204 | if (!val) |
205 | croak("The 'name' key is required in variable specs"); |
206 | |
26f802f7 |
207 | valpv = HePV(val, len); |
208 | varspec->name = savepvn(valpv, len); |
301f570b |
209 | SAVEFREEPV(varspec->name); |
a382a84b |
210 | |
26f802f7 |
211 | val = hv_fetch_ent(variable, type_key, 0, type_hash); |
a382a84b |
212 | if (!val) |
213 | croak("The 'type' key is required in variable specs"); |
214 | |
26f802f7 |
215 | valpv = HePV(val, len); |
216 | varspec->type = string_to_vartype(valpv); |
a382a84b |
217 | } |
218 | |
219 | int _valid_for_type(SV *value, vartype_t type) |
220 | { |
221 | svtype sv_type = SvROK(value) ? SvTYPE(SvRV(value)) : SVt_NULL; |
222 | |
223 | switch (type) { |
224 | case VAR_SCALAR: |
225 | return sv_type == SVt_NULL || |
226 | sv_type == SVt_IV || |
227 | sv_type == SVt_NV || |
228 | sv_type == SVt_PV || |
229 | sv_type == SVt_RV; |
230 | case VAR_ARRAY: |
231 | return sv_type == SVt_PVAV; |
232 | case VAR_HASH: |
233 | return sv_type == SVt_PVHV; |
234 | case VAR_CODE: |
235 | return sv_type == SVt_PVCV; |
236 | case VAR_IO: |
76f7c306 |
237 | return sv_type == SVt_PVIO; |
a382a84b |
238 | default: |
239 | return 0; |
240 | } |
241 | } |
242 | |
3fd56b4d |
243 | HV *_get_namespace(SV *self) |
244 | { |
245 | dSP; |
246 | SV *ret; |
247 | |
248 | PUSHMARK(SP); |
249 | XPUSHs(self); |
250 | PUTBACK; |
251 | |
612dcf3b |
252 | call_method("namespace", G_SCALAR); |
3fd56b4d |
253 | |
254 | SPAGAIN; |
255 | ret = POPs; |
256 | PUTBACK; |
257 | |
258 | return (HV*)SvRV(ret); |
259 | } |
260 | |
76f7c306 |
261 | SV *_get_name(SV *self) |
262 | { |
263 | dSP; |
264 | SV *ret; |
265 | |
266 | PUSHMARK(SP); |
267 | XPUSHs(self); |
268 | PUTBACK; |
269 | |
612dcf3b |
270 | call_method("name", G_SCALAR); |
76f7c306 |
271 | |
272 | SPAGAIN; |
273 | ret = POPs; |
274 | PUTBACK; |
275 | |
276 | return ret; |
277 | } |
278 | |
15c104e2 |
279 | SV *_get_symbol(SV *self, varspec_t *variable, int vivify) |
4871b1a0 |
280 | { |
281 | HV *namespace; |
282 | SV **entry; |
283 | GV *glob; |
284 | |
285 | namespace = _get_namespace(self); |
286 | entry = hv_fetch(namespace, variable->name, strlen(variable->name), vivify); |
287 | if (!entry) |
288 | return NULL; |
289 | |
290 | glob = (GV*)(*entry); |
291 | if (!isGV(glob)) { |
292 | SV *namesv; |
4871b1a0 |
293 | |
294 | namesv = newSVsv(_get_name(self)); |
295 | sv_catpvs(namesv, "::"); |
296 | sv_catpv(namesv, variable->name); |
297 | |
b55c97c2 |
298 | /* can't use gv_init here, because it screws up @ISA in a way that I |
299 | * can't reproduce, but that CMOP triggers */ |
300 | gv_fetchsv(namesv, GV_ADD, vartype_to_svtype(variable->type)); |
02b2a57f |
301 | SvREFCNT_dec(namesv); |
4871b1a0 |
302 | } |
303 | |
304 | if (vivify) { |
305 | switch (variable->type) { |
306 | case VAR_SCALAR: |
d551a208 |
307 | if (!GvSVOK(glob)) |
308 | GvSetSV(glob, newSV(0)); |
4871b1a0 |
309 | break; |
310 | case VAR_ARRAY: |
d551a208 |
311 | if (!GvAVOK(glob)) |
312 | GvSetAV(glob, newAV()); |
4871b1a0 |
313 | break; |
314 | case VAR_HASH: |
d551a208 |
315 | if (!GvHVOK(glob)) |
316 | GvSetHV(glob, newHV()); |
4871b1a0 |
317 | break; |
318 | case VAR_CODE: |
319 | croak("Don't know how to vivify CODE variables"); |
320 | case VAR_IO: |
d551a208 |
321 | if (!GvIOOK(glob)) |
322 | GvSetIO(glob, newIO()); |
4871b1a0 |
323 | break; |
324 | default: |
325 | croak("Unknown type in vivication"); |
326 | } |
327 | } |
328 | |
329 | switch (variable->type) { |
330 | case VAR_SCALAR: |
331 | return GvSV(glob); |
332 | case VAR_ARRAY: |
333 | return (SV*)GvAV(glob); |
334 | case VAR_HASH: |
335 | return (SV*)GvHV(glob); |
336 | case VAR_CODE: |
337 | return (SV*)GvCV(glob); |
338 | case VAR_IO: |
339 | return (SV*)GvIO(glob); |
340 | default: |
341 | return NULL; |
342 | } |
343 | } |
344 | |
59017825 |
345 | MODULE = Package::Stash PACKAGE = Package::Stash |
346 | |
be2a7e99 |
347 | PROTOTYPES: DISABLE |
348 | |
59017825 |
349 | SV* |
350 | new(class, package_name) |
351 | char *class |
352 | SV *package_name |
3496f1e8 |
353 | PREINIT: |
59017825 |
354 | HV *instance; |
355 | HV *namespace; |
1d6c978b |
356 | SV *nsref; |
59017825 |
357 | CODE: |
358 | if (!SvPOK(package_name)) |
359 | croak("The constructor argument must be the name of a package"); |
360 | |
6c3e69c6 |
361 | instance = newHV(); |
59017825 |
362 | |
1d6c978b |
363 | if (!hv_store(instance, "name", 4, SvREFCNT_inc_simple_NN(package_name), 0)) { |
364 | SvREFCNT_dec(package_name); |
c86a1630 |
365 | SvREFCNT_dec(instance); |
e8d57afd |
366 | croak("Couldn't initialize the 'name' key, hv_store failed"); |
1d6c978b |
367 | } |
59017825 |
368 | namespace = gv_stashpv(SvPV_nolen(package_name), GV_ADD); |
1d6c978b |
369 | nsref = newRV_inc((SV*)namespace); |
370 | if (!hv_store(instance, "namespace", 9, nsref, 0)) { |
371 | SvREFCNT_dec(nsref); |
c86a1630 |
372 | SvREFCNT_dec(instance); |
e8d57afd |
373 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
1d6c978b |
374 | } |
59017825 |
375 | |
6c3e69c6 |
376 | RETVAL = sv_bless(newRV_noinc((SV*)instance), gv_stashpv(class, 0)); |
59017825 |
377 | OUTPUT: |
378 | RETVAL |
194acf47 |
379 | |
380 | SV* |
381 | name(self) |
382 | SV *self |
3496f1e8 |
383 | PREINIT: |
26f802f7 |
384 | HE *slot; |
194acf47 |
385 | CODE: |
386 | if (!sv_isobject(self)) |
387 | croak("Can't call name as a class method"); |
26f802f7 |
388 | slot = hv_fetch_ent((HV*)SvRV(self), name_key, 0, name_hash); |
389 | RETVAL = slot ? SvREFCNT_inc_simple_NN(HeVAL(slot)) : &PL_sv_undef; |
194acf47 |
390 | OUTPUT: |
391 | RETVAL |
392 | |
393 | SV* |
394 | namespace(self) |
395 | SV *self |
3496f1e8 |
396 | PREINIT: |
26f802f7 |
397 | HE *slot; |
194acf47 |
398 | CODE: |
399 | if (!sv_isobject(self)) |
400 | croak("Can't call namespace as a class method"); |
26f802f7 |
401 | slot = hv_fetch_ent((HV*)SvRV(self), namespace_key, 0, namespace_hash); |
402 | RETVAL = slot ? SvREFCNT_inc_simple_NN(HeVAL(slot)) : &PL_sv_undef; |
194acf47 |
403 | OUTPUT: |
404 | RETVAL |
3fd56b4d |
405 | |
406 | void |
15c104e2 |
407 | add_symbol(self, variable, initial=NULL, ...) |
76f7c306 |
408 | SV *self |
409 | varspec_t variable |
410 | SV *initial |
411 | PREINIT: |
412 | SV *name; |
413 | GV *glob; |
414 | CODE: |
415 | if (initial && !_valid_for_type(initial, variable.type)) |
416 | croak("%s is not of type %s", |
417 | SvPV_nolen(initial), vartype_to_string(variable.type)); |
418 | |
419 | name = newSVsv(_get_name(self)); |
420 | sv_catpvs(name, "::"); |
421 | sv_catpv(name, variable.name); |
422 | |
76f7c306 |
423 | if (items > 2 && (PL_perldb & 0x10) && variable.type == VAR_CODE) { |
424 | int i; |
d1d0e437 |
425 | char *filename = NULL, *namepv; |
426 | I32 first_line_num = -1, last_line_num = -1; |
427 | STRLEN namelen; |
428 | SV *dbval; |
429 | HV *dbsub; |
76f7c306 |
430 | |
431 | if ((items - 3) % 2) |
15c104e2 |
432 | croak("add_symbol: Odd number of elements in %%opts"); |
76f7c306 |
433 | |
434 | for (i = 3; i < items; i += 2) { |
435 | char *key; |
436 | key = SvPV_nolen(ST(i)); |
437 | if (strEQ(key, "filename")) { |
438 | if (!SvPOK(ST(i + 1))) |
15c104e2 |
439 | croak("add_symbol: filename must be a string"); |
76f7c306 |
440 | filename = SvPV_nolen(ST(i + 1)); |
441 | } |
442 | else if (strEQ(key, "first_line_num")) { |
443 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
444 | croak("add_symbol: first_line_num must be an integer"); |
76f7c306 |
445 | first_line_num = SvIV(ST(i + 1)); |
446 | } |
447 | else if (strEQ(key, "last_line_num")) { |
448 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
449 | croak("add_symbol: last_line_num must be an integer"); |
76f7c306 |
450 | last_line_num = SvIV(ST(i + 1)); |
451 | } |
452 | } |
453 | |
d1d0e437 |
454 | if (!filename || first_line_num == -1) { |
455 | I32 cxix_from, cxix_to; |
456 | PERL_CONTEXT *cx, *ccstack; |
457 | COP *cop = NULL; |
458 | |
459 | cx = upcontext(0, &cop, &ccstack, &cxix_from, &cxix_to); |
460 | if (!cop) |
461 | cop = PL_curcop; |
462 | |
463 | if (!filename) |
464 | filename = CopFILE(cop); |
465 | if (first_line_num == -1) |
466 | first_line_num = cop->cop_line; |
467 | } |
468 | |
469 | if (last_line_num == -1) |
470 | last_line_num = first_line_num; |
471 | |
472 | /* http://perldoc.perl.org/perldebguts.html#Debugger-Internals */ |
473 | dbsub = get_hv("DB::sub", 1); |
474 | dbval = newSVpvf("%s:%d-%d", filename, first_line_num, last_line_num); |
475 | namepv = SvPV(name, namelen); |
476 | if (!hv_store(dbsub, namepv, namelen, dbval, 0)) { |
477 | warn("Failed to update $DB::sub for subroutine %s", namepv); |
478 | SvREFCNT_dec(dbval); |
76f7c306 |
479 | } |
480 | } |
76f7c306 |
481 | |
9aa6fe4f |
482 | /* GV_ADDMULTI rather than GV_ADD because otherwise you get 'used only |
483 | * once' warnings in some situations... i can't reproduce this, but CMOP |
484 | * triggers it */ |
fedea7f9 |
485 | glob = gv_fetchsv(name, GV_ADDMULTI, vartype_to_svtype(variable.type)); |
76f7c306 |
486 | |
487 | if (initial) { |
488 | SV *val; |
489 | |
490 | if (SvROK(initial)) { |
491 | val = SvRV(initial); |
a2fec41a |
492 | SvREFCNT_inc_simple_void_NN(val); |
76f7c306 |
493 | } |
494 | else { |
495 | val = newSVsv(initial); |
496 | } |
497 | |
498 | switch (variable.type) { |
499 | case VAR_SCALAR: |
d551a208 |
500 | GvSetSV(glob, val); |
76f7c306 |
501 | break; |
502 | case VAR_ARRAY: |
d551a208 |
503 | GvSetAV(glob, val); |
76f7c306 |
504 | break; |
505 | case VAR_HASH: |
d551a208 |
506 | GvSetHV(glob, val); |
76f7c306 |
507 | break; |
508 | case VAR_CODE: |
d551a208 |
509 | GvSetCV(glob, val); |
76f7c306 |
510 | break; |
511 | case VAR_IO: |
d551a208 |
512 | GvSetIO(glob, val); |
76f7c306 |
513 | break; |
514 | } |
515 | } |
516 | |
5bb2b07b |
517 | SvREFCNT_dec(name); |
518 | |
76f7c306 |
519 | void |
15c104e2 |
520 | remove_glob(self, name) |
3fd56b4d |
521 | SV *self |
522 | char *name |
3fd56b4d |
523 | CODE: |
524 | hv_delete(_get_namespace(self), name, strlen(name), G_DISCARD); |
9b608466 |
525 | |
34805376 |
526 | int |
15c104e2 |
527 | has_symbol(self, variable) |
34805376 |
528 | SV *self |
529 | varspec_t variable |
530 | PREINIT: |
531 | HV *namespace; |
532 | SV **entry; |
533 | CODE: |
534 | namespace = _get_namespace(self); |
535 | entry = hv_fetch(namespace, variable.name, strlen(variable.name), 0); |
536 | if (!entry) |
537 | XSRETURN_UNDEF; |
538 | |
539 | if (isGV(*entry)) { |
540 | GV *glob = (GV*)(*entry); |
541 | switch (variable.type) { |
542 | case VAR_SCALAR: |
d551a208 |
543 | RETVAL = GvSVOK(glob) ? 1 : 0; |
34805376 |
544 | break; |
545 | case VAR_ARRAY: |
d551a208 |
546 | RETVAL = GvAVOK(glob) ? 1 : 0; |
34805376 |
547 | break; |
548 | case VAR_HASH: |
d551a208 |
549 | RETVAL = GvHVOK(glob) ? 1 : 0; |
34805376 |
550 | break; |
551 | case VAR_CODE: |
d551a208 |
552 | RETVAL = GvCVOK(glob) ? 1 : 0; |
34805376 |
553 | break; |
554 | case VAR_IO: |
d551a208 |
555 | RETVAL = GvIOOK(glob) ? 1 : 0; |
34805376 |
556 | break; |
557 | } |
558 | } |
559 | else { |
560 | RETVAL = (variable.type == VAR_CODE); |
561 | } |
562 | OUTPUT: |
563 | RETVAL |
564 | |
e3ad44fd |
565 | SV* |
15c104e2 |
566 | get_symbol(self, variable) |
e3ad44fd |
567 | SV *self |
568 | varspec_t variable |
569 | PREINIT: |
fca4ed0c |
570 | SV *val; |
e3ad44fd |
571 | CODE: |
15c104e2 |
572 | val = _get_symbol(self, &variable, 0); |
4871b1a0 |
573 | if (!val) |
e3ad44fd |
574 | XSRETURN_UNDEF; |
93c36417 |
575 | RETVAL = newRV_inc(val); |
4871b1a0 |
576 | OUTPUT: |
577 | RETVAL |
e3ad44fd |
578 | |
4871b1a0 |
579 | SV* |
15c104e2 |
580 | get_or_add_symbol(self, variable) |
4871b1a0 |
581 | SV *self |
582 | varspec_t variable |
583 | PREINIT: |
584 | SV *val; |
585 | CODE: |
15c104e2 |
586 | val = _get_symbol(self, &variable, 1); |
fca4ed0c |
587 | if (!val) |
588 | XSRETURN_UNDEF; |
93c36417 |
589 | RETVAL = newRV_inc(val); |
e3ad44fd |
590 | OUTPUT: |
591 | RETVAL |
592 | |
9b608466 |
593 | void |
15c104e2 |
594 | remove_symbol(self, variable) |
215f49f8 |
595 | SV *self |
596 | varspec_t variable |
597 | PREINIT: |
598 | HV *namespace; |
599 | SV **entry; |
600 | CODE: |
601 | namespace = _get_namespace(self); |
602 | entry = hv_fetch(namespace, variable.name, strlen(variable.name), 0); |
603 | if (!entry) |
604 | XSRETURN_EMPTY; |
605 | |
606 | if (isGV(*entry)) { |
607 | GV *glob = (GV*)(*entry); |
608 | switch (variable.type) { |
609 | case VAR_SCALAR: |
d551a208 |
610 | GvSetSV(glob, NULL); |
215f49f8 |
611 | break; |
612 | case VAR_ARRAY: |
d551a208 |
613 | GvSetAV(glob, NULL); |
215f49f8 |
614 | break; |
615 | case VAR_HASH: |
d551a208 |
616 | GvSetHV(glob, NULL); |
215f49f8 |
617 | break; |
618 | case VAR_CODE: |
d551a208 |
619 | GvSetCV(glob, NULL); |
215f49f8 |
620 | break; |
621 | case VAR_IO: |
d551a208 |
622 | GvSetIO(glob, NULL); |
215f49f8 |
623 | break; |
624 | } |
625 | } |
626 | else { |
627 | if (variable.type == VAR_CODE) { |
628 | hv_delete(namespace, variable.name, strlen(variable.name), G_DISCARD); |
629 | } |
630 | } |
631 | |
632 | void |
15c104e2 |
633 | list_all_symbols(self, vartype=VAR_NONE) |
9b608466 |
634 | SV *self |
635 | vartype_t vartype |
636 | PPCODE: |
637 | if (vartype == VAR_NONE) { |
638 | HV *namespace; |
639 | HE *entry; |
640 | int keys; |
641 | |
642 | namespace = _get_namespace(self); |
643 | keys = hv_iterinit(namespace); |
644 | EXTEND(SP, keys); |
ebcc8ba8 |
645 | while ((entry = hv_iternext(namespace))) { |
13f8a7b7 |
646 | mPUSHs(newSVhe(entry)); |
9b608466 |
647 | } |
648 | } |
649 | else { |
650 | HV *namespace; |
9b608466 |
651 | SV *val; |
652 | char *key; |
653 | int len; |
654 | |
655 | namespace = _get_namespace(self); |
656 | hv_iterinit(namespace); |
ebcc8ba8 |
657 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
9b608466 |
658 | GV *gv = (GV*)val; |
659 | if (isGV(gv)) { |
660 | switch (vartype) { |
661 | case VAR_SCALAR: |
d551a208 |
662 | if (GvSVOK(val)) |
9b608466 |
663 | mXPUSHp(key, len); |
664 | break; |
665 | case VAR_ARRAY: |
d551a208 |
666 | if (GvAVOK(val)) |
9b608466 |
667 | mXPUSHp(key, len); |
668 | break; |
669 | case VAR_HASH: |
d551a208 |
670 | if (GvHVOK(val)) |
9b608466 |
671 | mXPUSHp(key, len); |
672 | break; |
673 | case VAR_CODE: |
d551a208 |
674 | if (GvCVOK(val)) |
9b608466 |
675 | mXPUSHp(key, len); |
676 | break; |
677 | case VAR_IO: |
d551a208 |
678 | if (GvIOOK(val)) |
9b608466 |
679 | mXPUSHp(key, len); |
680 | break; |
681 | } |
682 | } |
683 | else if (vartype == VAR_CODE) { |
684 | mXPUSHp(key, len); |
685 | } |
686 | } |
687 | } |
26f802f7 |
688 | |
689 | BOOT: |
690 | { |
691 | name_key = newSVpvs("name"); |
692 | PERL_HASH(name_hash, "name", 4); |
693 | |
694 | namespace_key = newSVpvs("namespace"); |
695 | PERL_HASH(namespace_hash, "namespace", 9); |
696 | |
697 | type_key = newSVpvs("type"); |
698 | PERL_HASH(type_hash, "type", 4); |
699 | } |