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 | |
a382a84b |
83 | typedef enum { |
84 | VAR_NONE = 0, |
85 | VAR_SCALAR, |
86 | VAR_ARRAY, |
87 | VAR_HASH, |
88 | VAR_CODE, |
89 | VAR_IO, |
90 | VAR_GLOB, /* TODO: unimplemented */ |
91 | VAR_FORMAT /* TODO: unimplemented */ |
92 | } vartype_t; |
93 | |
94 | typedef struct { |
95 | vartype_t type; |
4849f4fc |
96 | SV *name; |
a382a84b |
97 | } varspec_t; |
98 | |
26f802f7 |
99 | static U32 name_hash, namespace_hash, type_hash; |
100 | static SV *name_key, *namespace_key, *type_key; |
101 | |
76f7c306 |
102 | const char *vartype_to_string(vartype_t type) |
103 | { |
104 | switch (type) { |
105 | case VAR_SCALAR: |
106 | return "SCALAR"; |
107 | case VAR_ARRAY: |
108 | return "ARRAY"; |
109 | case VAR_HASH: |
110 | return "HASH"; |
111 | case VAR_CODE: |
112 | return "CODE"; |
113 | case VAR_IO: |
114 | return "IO"; |
115 | default: |
116 | return "unknown"; |
117 | } |
118 | } |
119 | |
120 | I32 vartype_to_svtype(vartype_t type) |
121 | { |
122 | switch (type) { |
123 | case VAR_SCALAR: |
124 | return SVt_PV; /* or whatever */ |
125 | case VAR_ARRAY: |
126 | return SVt_PVAV; |
127 | case VAR_HASH: |
128 | return SVt_PVHV; |
129 | case VAR_CODE: |
130 | return SVt_PVCV; |
131 | case VAR_IO: |
132 | return SVt_PVIO; |
133 | default: |
134 | return SVt_NULL; |
135 | } |
136 | } |
137 | |
a382a84b |
138 | vartype_t string_to_vartype(char *vartype) |
139 | { |
140 | if (strEQ(vartype, "SCALAR")) { |
141 | return VAR_SCALAR; |
142 | } |
143 | else if (strEQ(vartype, "ARRAY")) { |
144 | return VAR_ARRAY; |
145 | } |
146 | else if (strEQ(vartype, "HASH")) { |
147 | return VAR_HASH; |
148 | } |
149 | else if (strEQ(vartype, "CODE")) { |
150 | return VAR_CODE; |
151 | } |
152 | else if (strEQ(vartype, "IO")) { |
153 | return VAR_IO; |
154 | } |
155 | else { |
f88deb66 |
156 | croak("Type must be one of 'SCALAR', 'ARRAY', 'HASH', 'CODE', or 'IO', not '%s'", vartype); |
a382a84b |
157 | } |
158 | } |
159 | |
4849f4fc |
160 | void _deconstruct_variable_name(SV *variable, varspec_t *varspec) |
a382a84b |
161 | { |
4849f4fc |
162 | char *varpv; |
a382a84b |
163 | |
4849f4fc |
164 | if (!SvCUR(variable)) |
64b79211 |
165 | croak("You must pass a variable name"); |
a382a84b |
166 | |
4849f4fc |
167 | varspec->name = sv_2mortal(newSVsv(variable)); |
168 | |
169 | varpv = SvPV_nolen(varspec->name); |
170 | switch (varpv[0]) { |
a382a84b |
171 | case '$': |
172 | varspec->type = VAR_SCALAR; |
4849f4fc |
173 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
174 | break; |
175 | case '@': |
176 | varspec->type = VAR_ARRAY; |
4849f4fc |
177 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
178 | break; |
179 | case '%': |
180 | varspec->type = VAR_HASH; |
4849f4fc |
181 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
182 | break; |
183 | case '&': |
184 | varspec->type = VAR_CODE; |
4849f4fc |
185 | sv_chop(varspec->name, &varpv[1]); |
64b79211 |
186 | break; |
187 | default: |
a382a84b |
188 | varspec->type = VAR_IO; |
64b79211 |
189 | break; |
a382a84b |
190 | } |
191 | } |
192 | |
193 | void _deconstruct_variable_hash(HV *variable, varspec_t *varspec) |
194 | { |
26f802f7 |
195 | HE *val; |
a382a84b |
196 | |
26f802f7 |
197 | val = hv_fetch_ent(variable, name_key, 0, name_hash); |
a382a84b |
198 | if (!val) |
199 | croak("The 'name' key is required in variable specs"); |
200 | |
061b471e |
201 | varspec->name = sv_2mortal(newSVsv(HeVAL(val))); |
a382a84b |
202 | |
26f802f7 |
203 | val = hv_fetch_ent(variable, type_key, 0, type_hash); |
a382a84b |
204 | if (!val) |
205 | croak("The 'type' key is required in variable specs"); |
206 | |
061b471e |
207 | varspec->type = string_to_vartype(SvPV_nolen(HeVAL(val))); |
a382a84b |
208 | } |
209 | |
210 | int _valid_for_type(SV *value, vartype_t type) |
211 | { |
212 | svtype sv_type = SvROK(value) ? SvTYPE(SvRV(value)) : SVt_NULL; |
213 | |
214 | switch (type) { |
215 | case VAR_SCALAR: |
57011a68 |
216 | /* XXX: something weird is going on here - apparently values can |
217 | * be SVt_NULL but also be SvROK (and also, SVt_NULL isn't SvOK) */ |
218 | if (sv_type == SVt_NULL) |
219 | return 1; |
32107d99 |
220 | return SvROK(value) ? SvOK(SvRV(value)) : SvOK(value); |
a382a84b |
221 | case VAR_ARRAY: |
222 | return sv_type == SVt_PVAV; |
223 | case VAR_HASH: |
224 | return sv_type == SVt_PVHV; |
225 | case VAR_CODE: |
226 | return sv_type == SVt_PVCV; |
227 | case VAR_IO: |
76f7c306 |
228 | return sv_type == SVt_PVIO; |
a382a84b |
229 | default: |
230 | return 0; |
231 | } |
232 | } |
233 | |
3fd56b4d |
234 | HV *_get_namespace(SV *self) |
235 | { |
236 | dSP; |
237 | SV *ret; |
238 | |
239 | PUSHMARK(SP); |
240 | XPUSHs(self); |
241 | PUTBACK; |
242 | |
612dcf3b |
243 | call_method("namespace", G_SCALAR); |
3fd56b4d |
244 | |
245 | SPAGAIN; |
246 | ret = POPs; |
247 | PUTBACK; |
248 | |
249 | return (HV*)SvRV(ret); |
250 | } |
251 | |
76f7c306 |
252 | SV *_get_name(SV *self) |
253 | { |
254 | dSP; |
255 | SV *ret; |
256 | |
257 | PUSHMARK(SP); |
258 | XPUSHs(self); |
259 | PUTBACK; |
260 | |
612dcf3b |
261 | call_method("name", G_SCALAR); |
76f7c306 |
262 | |
263 | SPAGAIN; |
264 | ret = POPs; |
265 | PUTBACK; |
266 | |
267 | return ret; |
268 | } |
269 | |
4849f4fc |
270 | void _expand_glob(SV *self, SV *varname) |
60b395a1 |
271 | { |
4849f4fc |
272 | SV *name; |
60b395a1 |
273 | |
4849f4fc |
274 | name = newSVsv(_get_name(self)); |
275 | sv_catpvs(name, "::"); |
276 | sv_catsv(name, varname); |
60b395a1 |
277 | |
278 | /* can't use gv_init here, because it screws up @ISA in a way that I |
279 | * can't reproduce, but that CMOP triggers */ |
4849f4fc |
280 | gv_fetchsv(name, GV_ADD, SVt_NULL); |
281 | SvREFCNT_dec(name); |
60b395a1 |
282 | } |
283 | |
15c104e2 |
284 | SV *_get_symbol(SV *self, varspec_t *variable, int vivify) |
4871b1a0 |
285 | { |
286 | HV *namespace; |
4849f4fc |
287 | HE *entry; |
4871b1a0 |
288 | GV *glob; |
289 | |
290 | namespace = _get_namespace(self); |
4849f4fc |
291 | entry = hv_fetch_ent(namespace, variable->name, vivify, 0); |
4871b1a0 |
292 | if (!entry) |
293 | return NULL; |
294 | |
4849f4fc |
295 | glob = (GV*)(HeVAL(entry)); |
60b395a1 |
296 | if (!isGV(glob)) |
297 | _expand_glob(self, variable->name); |
4871b1a0 |
298 | |
299 | if (vivify) { |
300 | switch (variable->type) { |
301 | case VAR_SCALAR: |
d551a208 |
302 | if (!GvSVOK(glob)) |
303 | GvSetSV(glob, newSV(0)); |
4871b1a0 |
304 | break; |
305 | case VAR_ARRAY: |
d551a208 |
306 | if (!GvAVOK(glob)) |
307 | GvSetAV(glob, newAV()); |
4871b1a0 |
308 | break; |
309 | case VAR_HASH: |
d551a208 |
310 | if (!GvHVOK(glob)) |
311 | GvSetHV(glob, newHV()); |
4871b1a0 |
312 | break; |
313 | case VAR_CODE: |
314 | croak("Don't know how to vivify CODE variables"); |
315 | case VAR_IO: |
d551a208 |
316 | if (!GvIOOK(glob)) |
317 | GvSetIO(glob, newIO()); |
4871b1a0 |
318 | break; |
319 | default: |
320 | croak("Unknown type in vivication"); |
321 | } |
322 | } |
323 | |
324 | switch (variable->type) { |
325 | case VAR_SCALAR: |
326 | return GvSV(glob); |
327 | case VAR_ARRAY: |
328 | return (SV*)GvAV(glob); |
329 | case VAR_HASH: |
330 | return (SV*)GvHV(glob); |
331 | case VAR_CODE: |
332 | return (SV*)GvCV(glob); |
333 | case VAR_IO: |
334 | return (SV*)GvIO(glob); |
335 | default: |
336 | return NULL; |
337 | } |
338 | } |
339 | |
c53d2df2 |
340 | MODULE = Package::Stash::XS PACKAGE = Package::Stash::XS |
59017825 |
341 | |
be2a7e99 |
342 | PROTOTYPES: DISABLE |
343 | |
59017825 |
344 | SV* |
345 | new(class, package_name) |
4849f4fc |
346 | SV *class |
59017825 |
347 | SV *package_name |
3496f1e8 |
348 | PREINIT: |
59017825 |
349 | HV *instance; |
350 | HV *namespace; |
1d6c978b |
351 | SV *nsref; |
59017825 |
352 | CODE: |
353 | if (!SvPOK(package_name)) |
354 | croak("The constructor argument must be the name of a package"); |
355 | |
6c3e69c6 |
356 | instance = newHV(); |
59017825 |
357 | |
1d6c978b |
358 | if (!hv_store(instance, "name", 4, SvREFCNT_inc_simple_NN(package_name), 0)) { |
359 | SvREFCNT_dec(package_name); |
c86a1630 |
360 | SvREFCNT_dec(instance); |
e8d57afd |
361 | croak("Couldn't initialize the 'name' key, hv_store failed"); |
1d6c978b |
362 | } |
59017825 |
363 | namespace = gv_stashpv(SvPV_nolen(package_name), GV_ADD); |
1d6c978b |
364 | nsref = newRV_inc((SV*)namespace); |
365 | if (!hv_store(instance, "namespace", 9, nsref, 0)) { |
366 | SvREFCNT_dec(nsref); |
c86a1630 |
367 | SvREFCNT_dec(instance); |
e8d57afd |
368 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
1d6c978b |
369 | } |
59017825 |
370 | |
4849f4fc |
371 | RETVAL = sv_bless(newRV_noinc((SV*)instance), gv_stashsv(class, 0)); |
59017825 |
372 | OUTPUT: |
373 | RETVAL |
194acf47 |
374 | |
375 | SV* |
376 | name(self) |
377 | SV *self |
3496f1e8 |
378 | PREINIT: |
26f802f7 |
379 | HE *slot; |
194acf47 |
380 | CODE: |
381 | if (!sv_isobject(self)) |
382 | croak("Can't call name as a class method"); |
26f802f7 |
383 | slot = hv_fetch_ent((HV*)SvRV(self), name_key, 0, name_hash); |
384 | RETVAL = slot ? SvREFCNT_inc_simple_NN(HeVAL(slot)) : &PL_sv_undef; |
194acf47 |
385 | OUTPUT: |
386 | RETVAL |
387 | |
388 | SV* |
389 | namespace(self) |
390 | SV *self |
3496f1e8 |
391 | PREINIT: |
26f802f7 |
392 | HE *slot; |
194acf47 |
393 | CODE: |
394 | if (!sv_isobject(self)) |
395 | croak("Can't call namespace as a class method"); |
26f802f7 |
396 | slot = hv_fetch_ent((HV*)SvRV(self), namespace_key, 0, namespace_hash); |
397 | RETVAL = slot ? SvREFCNT_inc_simple_NN(HeVAL(slot)) : &PL_sv_undef; |
194acf47 |
398 | OUTPUT: |
399 | RETVAL |
3fd56b4d |
400 | |
401 | void |
15c104e2 |
402 | add_symbol(self, variable, initial=NULL, ...) |
76f7c306 |
403 | SV *self |
404 | varspec_t variable |
405 | SV *initial |
406 | PREINIT: |
407 | SV *name; |
408 | GV *glob; |
409 | CODE: |
410 | if (initial && !_valid_for_type(initial, variable.type)) |
411 | croak("%s is not of type %s", |
412 | SvPV_nolen(initial), vartype_to_string(variable.type)); |
413 | |
414 | name = newSVsv(_get_name(self)); |
415 | sv_catpvs(name, "::"); |
4849f4fc |
416 | sv_catsv(name, variable.name); |
76f7c306 |
417 | |
76f7c306 |
418 | if (items > 2 && (PL_perldb & 0x10) && variable.type == VAR_CODE) { |
419 | int i; |
4849f4fc |
420 | char *filename = NULL; |
d1d0e437 |
421 | I32 first_line_num = -1, last_line_num = -1; |
422 | STRLEN namelen; |
423 | SV *dbval; |
424 | HV *dbsub; |
76f7c306 |
425 | |
426 | if ((items - 3) % 2) |
15c104e2 |
427 | croak("add_symbol: Odd number of elements in %%opts"); |
76f7c306 |
428 | |
429 | for (i = 3; i < items; i += 2) { |
430 | char *key; |
431 | key = SvPV_nolen(ST(i)); |
432 | if (strEQ(key, "filename")) { |
433 | if (!SvPOK(ST(i + 1))) |
15c104e2 |
434 | croak("add_symbol: filename must be a string"); |
76f7c306 |
435 | filename = SvPV_nolen(ST(i + 1)); |
436 | } |
437 | else if (strEQ(key, "first_line_num")) { |
438 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
439 | croak("add_symbol: first_line_num must be an integer"); |
76f7c306 |
440 | first_line_num = SvIV(ST(i + 1)); |
441 | } |
442 | else if (strEQ(key, "last_line_num")) { |
443 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
444 | croak("add_symbol: last_line_num must be an integer"); |
76f7c306 |
445 | last_line_num = SvIV(ST(i + 1)); |
446 | } |
447 | } |
448 | |
d1d0e437 |
449 | if (!filename || first_line_num == -1) { |
d1d0e437 |
450 | if (!filename) |
e0162997 |
451 | filename = CopFILE(PL_curcop); |
d1d0e437 |
452 | if (first_line_num == -1) |
e0162997 |
453 | first_line_num = PL_curcop->cop_line; |
d1d0e437 |
454 | } |
455 | |
456 | if (last_line_num == -1) |
457 | last_line_num = first_line_num; |
458 | |
459 | /* http://perldoc.perl.org/perldebguts.html#Debugger-Internals */ |
460 | dbsub = get_hv("DB::sub", 1); |
461 | dbval = newSVpvf("%s:%d-%d", filename, first_line_num, last_line_num); |
4849f4fc |
462 | if (!hv_store_ent(dbsub, name, dbval, 0)) { |
463 | warn("Failed to update $DB::sub for subroutine %s", |
464 | SvPV_nolen(name)); |
d1d0e437 |
465 | SvREFCNT_dec(dbval); |
76f7c306 |
466 | } |
467 | } |
76f7c306 |
468 | |
9aa6fe4f |
469 | /* GV_ADDMULTI rather than GV_ADD because otherwise you get 'used only |
470 | * once' warnings in some situations... i can't reproduce this, but CMOP |
471 | * triggers it */ |
fedea7f9 |
472 | glob = gv_fetchsv(name, GV_ADDMULTI, vartype_to_svtype(variable.type)); |
76f7c306 |
473 | |
474 | if (initial) { |
475 | SV *val; |
476 | |
477 | if (SvROK(initial)) { |
478 | val = SvRV(initial); |
a2fec41a |
479 | SvREFCNT_inc_simple_void_NN(val); |
76f7c306 |
480 | } |
481 | else { |
482 | val = newSVsv(initial); |
483 | } |
484 | |
485 | switch (variable.type) { |
486 | case VAR_SCALAR: |
d551a208 |
487 | GvSetSV(glob, val); |
76f7c306 |
488 | break; |
489 | case VAR_ARRAY: |
d551a208 |
490 | GvSetAV(glob, val); |
76f7c306 |
491 | break; |
492 | case VAR_HASH: |
d551a208 |
493 | GvSetHV(glob, val); |
76f7c306 |
494 | break; |
495 | case VAR_CODE: |
d551a208 |
496 | GvSetCV(glob, val); |
76f7c306 |
497 | break; |
498 | case VAR_IO: |
d551a208 |
499 | GvSetIO(glob, val); |
76f7c306 |
500 | break; |
501 | } |
502 | } |
503 | |
5bb2b07b |
504 | SvREFCNT_dec(name); |
505 | |
76f7c306 |
506 | void |
4849f4fc |
507 | remove_glob(self, name) |
3fd56b4d |
508 | SV *self |
4849f4fc |
509 | SV *name |
3fd56b4d |
510 | CODE: |
4849f4fc |
511 | hv_delete_ent(_get_namespace(self), name, G_DISCARD, 0); |
9b608466 |
512 | |
34805376 |
513 | int |
15c104e2 |
514 | has_symbol(self, variable) |
34805376 |
515 | SV *self |
516 | varspec_t variable |
517 | PREINIT: |
518 | HV *namespace; |
4849f4fc |
519 | HE *entry; |
520 | SV *val; |
34805376 |
521 | CODE: |
522 | namespace = _get_namespace(self); |
4849f4fc |
523 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
34805376 |
524 | if (!entry) |
525 | XSRETURN_UNDEF; |
526 | |
4849f4fc |
527 | val = HeVAL(entry); |
528 | if (isGV(val)) { |
529 | GV *glob = (GV*)val; |
34805376 |
530 | switch (variable.type) { |
531 | case VAR_SCALAR: |
d551a208 |
532 | RETVAL = GvSVOK(glob) ? 1 : 0; |
34805376 |
533 | break; |
534 | case VAR_ARRAY: |
d551a208 |
535 | RETVAL = GvAVOK(glob) ? 1 : 0; |
34805376 |
536 | break; |
537 | case VAR_HASH: |
d551a208 |
538 | RETVAL = GvHVOK(glob) ? 1 : 0; |
34805376 |
539 | break; |
540 | case VAR_CODE: |
d551a208 |
541 | RETVAL = GvCVOK(glob) ? 1 : 0; |
34805376 |
542 | break; |
543 | case VAR_IO: |
d551a208 |
544 | RETVAL = GvIOOK(glob) ? 1 : 0; |
34805376 |
545 | break; |
546 | } |
547 | } |
548 | else { |
549 | RETVAL = (variable.type == VAR_CODE); |
550 | } |
551 | OUTPUT: |
552 | RETVAL |
553 | |
e3ad44fd |
554 | SV* |
15c104e2 |
555 | get_symbol(self, variable) |
e3ad44fd |
556 | SV *self |
557 | varspec_t variable |
558 | PREINIT: |
fca4ed0c |
559 | SV *val; |
e3ad44fd |
560 | CODE: |
15c104e2 |
561 | val = _get_symbol(self, &variable, 0); |
4871b1a0 |
562 | if (!val) |
e3ad44fd |
563 | XSRETURN_UNDEF; |
93c36417 |
564 | RETVAL = newRV_inc(val); |
4871b1a0 |
565 | OUTPUT: |
566 | RETVAL |
e3ad44fd |
567 | |
4871b1a0 |
568 | SV* |
15c104e2 |
569 | get_or_add_symbol(self, variable) |
4871b1a0 |
570 | SV *self |
571 | varspec_t variable |
572 | PREINIT: |
573 | SV *val; |
574 | CODE: |
15c104e2 |
575 | val = _get_symbol(self, &variable, 1); |
fca4ed0c |
576 | if (!val) |
577 | XSRETURN_UNDEF; |
93c36417 |
578 | RETVAL = newRV_inc(val); |
e3ad44fd |
579 | OUTPUT: |
580 | RETVAL |
581 | |
9b608466 |
582 | void |
15c104e2 |
583 | remove_symbol(self, variable) |
215f49f8 |
584 | SV *self |
585 | varspec_t variable |
586 | PREINIT: |
587 | HV *namespace; |
4849f4fc |
588 | HE *entry; |
589 | SV *val; |
215f49f8 |
590 | CODE: |
591 | namespace = _get_namespace(self); |
4849f4fc |
592 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
215f49f8 |
593 | if (!entry) |
594 | XSRETURN_EMPTY; |
595 | |
4849f4fc |
596 | val = HeVAL(entry); |
597 | if (isGV(val)) { |
598 | GV *glob = (GV*)val; |
215f49f8 |
599 | switch (variable.type) { |
600 | case VAR_SCALAR: |
d551a208 |
601 | GvSetSV(glob, NULL); |
215f49f8 |
602 | break; |
603 | case VAR_ARRAY: |
d551a208 |
604 | GvSetAV(glob, NULL); |
215f49f8 |
605 | break; |
606 | case VAR_HASH: |
d551a208 |
607 | GvSetHV(glob, NULL); |
215f49f8 |
608 | break; |
609 | case VAR_CODE: |
d551a208 |
610 | GvSetCV(glob, NULL); |
215f49f8 |
611 | break; |
612 | case VAR_IO: |
d551a208 |
613 | GvSetIO(glob, NULL); |
215f49f8 |
614 | break; |
615 | } |
616 | } |
617 | else { |
618 | if (variable.type == VAR_CODE) { |
4849f4fc |
619 | hv_delete_ent(namespace, variable.name, G_DISCARD, 0); |
215f49f8 |
620 | } |
621 | } |
622 | |
623 | void |
15c104e2 |
624 | list_all_symbols(self, vartype=VAR_NONE) |
9b608466 |
625 | SV *self |
626 | vartype_t vartype |
627 | PPCODE: |
628 | if (vartype == VAR_NONE) { |
629 | HV *namespace; |
630 | HE *entry; |
631 | int keys; |
632 | |
633 | namespace = _get_namespace(self); |
634 | keys = hv_iterinit(namespace); |
635 | EXTEND(SP, keys); |
ebcc8ba8 |
636 | while ((entry = hv_iternext(namespace))) { |
13f8a7b7 |
637 | mPUSHs(newSVhe(entry)); |
9b608466 |
638 | } |
639 | } |
640 | else { |
641 | HV *namespace; |
9b608466 |
642 | SV *val; |
643 | char *key; |
64b79211 |
644 | I32 len; |
9b608466 |
645 | |
646 | namespace = _get_namespace(self); |
647 | hv_iterinit(namespace); |
ebcc8ba8 |
648 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
9b608466 |
649 | GV *gv = (GV*)val; |
650 | if (isGV(gv)) { |
651 | switch (vartype) { |
652 | case VAR_SCALAR: |
d551a208 |
653 | if (GvSVOK(val)) |
9b608466 |
654 | mXPUSHp(key, len); |
655 | break; |
656 | case VAR_ARRAY: |
d551a208 |
657 | if (GvAVOK(val)) |
9b608466 |
658 | mXPUSHp(key, len); |
659 | break; |
660 | case VAR_HASH: |
d551a208 |
661 | if (GvHVOK(val)) |
9b608466 |
662 | mXPUSHp(key, len); |
663 | break; |
664 | case VAR_CODE: |
d551a208 |
665 | if (GvCVOK(val)) |
9b608466 |
666 | mXPUSHp(key, len); |
667 | break; |
668 | case VAR_IO: |
d551a208 |
669 | if (GvIOOK(val)) |
9b608466 |
670 | mXPUSHp(key, len); |
671 | break; |
672 | } |
673 | } |
674 | else if (vartype == VAR_CODE) { |
675 | mXPUSHp(key, len); |
676 | } |
677 | } |
678 | } |
26f802f7 |
679 | |
d2b55565 |
680 | void |
681 | get_all_symbols(self, vartype=VAR_NONE) |
682 | SV *self |
683 | vartype_t vartype |
684 | PREINIT: |
685 | HV *namespace, *ret; |
686 | SV *val; |
687 | char *key; |
688 | I32 len; |
689 | PPCODE: |
690 | namespace = _get_namespace(self); |
691 | ret = newHV(); |
692 | |
693 | hv_iterinit(namespace); |
694 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
695 | GV *gv = (GV*)val; |
696 | |
4849f4fc |
697 | if (!isGV(gv)) { |
698 | SV *keysv = newSVpvn(key, len); |
699 | _expand_glob(self, keysv); |
700 | SvREFCNT_dec(keysv); |
701 | } |
d2b55565 |
702 | |
703 | switch (vartype) { |
704 | case VAR_SCALAR: |
705 | if (GvSVOK(val)) |
706 | hv_store(ret, key, len, newRV_inc(GvSV(gv)), 0); |
707 | break; |
708 | case VAR_ARRAY: |
709 | if (GvAVOK(val)) |
710 | hv_store(ret, key, len, newRV_inc((SV*)GvAV(gv)), 0); |
711 | break; |
712 | case VAR_HASH: |
713 | if (GvHVOK(val)) |
714 | hv_store(ret, key, len, newRV_inc((SV*)GvHV(gv)), 0); |
715 | break; |
716 | case VAR_CODE: |
717 | if (GvCVOK(val)) |
718 | hv_store(ret, key, len, newRV_inc((SV*)GvCV(gv)), 0); |
719 | break; |
720 | case VAR_IO: |
721 | if (GvIOOK(val)) |
722 | hv_store(ret, key, len, newRV_inc((SV*)GvIO(gv)), 0); |
723 | break; |
724 | case VAR_NONE: |
725 | hv_store(ret, key, len, SvREFCNT_inc_simple_NN(val), 0); |
726 | break; |
727 | } |
728 | } |
729 | |
730 | mPUSHs(newRV_noinc((SV*)ret)); |
731 | |
26f802f7 |
732 | BOOT: |
733 | { |
734 | name_key = newSVpvs("name"); |
735 | PERL_HASH(name_hash, "name", 4); |
736 | |
737 | namespace_key = newSVpvs("namespace"); |
738 | PERL_HASH(namespace_hash, "namespace", 9); |
739 | |
740 | type_key = newSVpvs("type"); |
741 | PERL_HASH(type_hash, "type", 4); |
742 | } |