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 | |
22d15de6 |
27 | #ifndef GvCV_set |
28 | #define GvCV_set(gv, cv) (GvCV(gv) = (CV*)(cv)) |
29 | #endif |
30 | |
d551a208 |
31 | /* HACK: scalar slots are always populated on perl < 5.10, so treat undef |
32 | * as nonexistent. this is consistent with the previous behavior of the pure |
33 | * perl version of this module (since this is the behavior that perl sees |
34 | * in all versions */ |
35 | #if PERL_VERSION < 10 |
36 | #define GvSVOK(g) (GvSV(g) && SvTYPE(GvSV(g)) != SVt_NULL) |
37 | #else |
38 | #define GvSVOK(g) GvSV(g) |
39 | #endif |
40 | |
41 | #define GvAVOK(g) GvAV(g) |
42 | #define GvHVOK(g) GvHV(g) |
43 | #define GvCVOK(g) GvCVu(g) /* XXX: should this really be GvCVu? or GvCV? */ |
44 | #define GvIOOK(g) GvIO(g) |
45 | |
9aa6fe4f |
46 | /* see above - don't let scalar slots become unpopulated, this breaks |
47 | * assumptions in core */ |
3720d1a1 |
48 | #if PERL_VERSION < 10 |
49 | #define GvSetSV(g,v) do { \ |
50 | SV *_v = (SV*)(v); \ |
51 | SvREFCNT_dec(GvSV(g)); \ |
52 | if ((GvSV(g) = _v ? _v : newSV(0))) \ |
53 | GvIMPORTED_SV_on(g); \ |
54 | } while (0) |
55 | #else |
d551a208 |
56 | #define GvSetSV(g,v) do { \ |
57 | SvREFCNT_dec(GvSV(g)); \ |
58 | if ((GvSV(g) = (SV*)(v))) \ |
59 | GvIMPORTED_SV_on(g); \ |
60 | } while (0) |
3720d1a1 |
61 | #endif |
62 | |
d551a208 |
63 | #define GvSetAV(g,v) do { \ |
64 | SvREFCNT_dec(GvAV(g)); \ |
65 | if ((GvAV(g) = (AV*)(v))) \ |
66 | GvIMPORTED_AV_on(g); \ |
67 | } while (0) |
68 | #define GvSetHV(g,v) do { \ |
69 | SvREFCNT_dec(GvHV(g)); \ |
70 | if ((GvHV(g) = (HV*)(v))) \ |
71 | GvIMPORTED_HV_on(g); \ |
72 | } while (0) |
73 | #define GvSetCV(g,v) do { \ |
74 | SvREFCNT_dec(GvCV(g)); \ |
22d15de6 |
75 | if ((GvCV_set(g, v))) { \ |
d551a208 |
76 | GvIMPORTED_CV_on(g); \ |
77 | GvASSUMECV_on(g); \ |
78 | } \ |
79 | GvCVGEN(g) = 0; \ |
80 | mro_method_changed_in(GvSTASH(g)); \ |
81 | } while (0) |
82 | #define GvSetIO(g,v) do { \ |
83 | SvREFCNT_dec(GvIO(g)); \ |
84 | GvIOp(g) = (IO*)(v); \ |
85 | } while (0) |
86 | |
a382a84b |
87 | typedef enum { |
88 | VAR_NONE = 0, |
89 | VAR_SCALAR, |
90 | VAR_ARRAY, |
91 | VAR_HASH, |
92 | VAR_CODE, |
93 | VAR_IO, |
94 | VAR_GLOB, /* TODO: unimplemented */ |
95 | VAR_FORMAT /* TODO: unimplemented */ |
96 | } vartype_t; |
97 | |
98 | typedef struct { |
99 | vartype_t type; |
4849f4fc |
100 | SV *name; |
a382a84b |
101 | } varspec_t; |
102 | |
26f802f7 |
103 | static U32 name_hash, namespace_hash, type_hash; |
104 | static SV *name_key, *namespace_key, *type_key; |
105 | |
bf460ff3 |
106 | static const char *vartype_to_string(vartype_t type) |
76f7c306 |
107 | { |
108 | switch (type) { |
109 | case VAR_SCALAR: |
110 | return "SCALAR"; |
111 | case VAR_ARRAY: |
112 | return "ARRAY"; |
113 | case VAR_HASH: |
114 | return "HASH"; |
115 | case VAR_CODE: |
116 | return "CODE"; |
117 | case VAR_IO: |
118 | return "IO"; |
119 | default: |
120 | return "unknown"; |
121 | } |
122 | } |
123 | |
bf460ff3 |
124 | static I32 vartype_to_svtype(vartype_t type) |
76f7c306 |
125 | { |
126 | switch (type) { |
127 | case VAR_SCALAR: |
128 | return SVt_PV; /* or whatever */ |
129 | case VAR_ARRAY: |
130 | return SVt_PVAV; |
131 | case VAR_HASH: |
132 | return SVt_PVHV; |
133 | case VAR_CODE: |
134 | return SVt_PVCV; |
135 | case VAR_IO: |
136 | return SVt_PVIO; |
137 | default: |
138 | return SVt_NULL; |
139 | } |
140 | } |
141 | |
bf460ff3 |
142 | static vartype_t string_to_vartype(char *vartype) |
a382a84b |
143 | { |
144 | if (strEQ(vartype, "SCALAR")) { |
145 | return VAR_SCALAR; |
146 | } |
147 | else if (strEQ(vartype, "ARRAY")) { |
148 | return VAR_ARRAY; |
149 | } |
150 | else if (strEQ(vartype, "HASH")) { |
151 | return VAR_HASH; |
152 | } |
153 | else if (strEQ(vartype, "CODE")) { |
154 | return VAR_CODE; |
155 | } |
156 | else if (strEQ(vartype, "IO")) { |
157 | return VAR_IO; |
158 | } |
159 | else { |
f88deb66 |
160 | croak("Type must be one of 'SCALAR', 'ARRAY', 'HASH', 'CODE', or 'IO', not '%s'", vartype); |
a382a84b |
161 | } |
162 | } |
163 | |
bf460ff3 |
164 | static void _deconstruct_variable_name(SV *variable, varspec_t *varspec) |
a382a84b |
165 | { |
4849f4fc |
166 | char *varpv; |
a382a84b |
167 | |
4849f4fc |
168 | if (!SvCUR(variable)) |
64b79211 |
169 | croak("You must pass a variable name"); |
a382a84b |
170 | |
4849f4fc |
171 | varspec->name = sv_2mortal(newSVsv(variable)); |
172 | |
173 | varpv = SvPV_nolen(varspec->name); |
174 | switch (varpv[0]) { |
a382a84b |
175 | case '$': |
176 | varspec->type = VAR_SCALAR; |
4849f4fc |
177 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
178 | break; |
179 | case '@': |
180 | varspec->type = VAR_ARRAY; |
4849f4fc |
181 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
182 | break; |
183 | case '%': |
184 | varspec->type = VAR_HASH; |
4849f4fc |
185 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
186 | break; |
187 | case '&': |
188 | varspec->type = VAR_CODE; |
4849f4fc |
189 | sv_chop(varspec->name, &varpv[1]); |
64b79211 |
190 | break; |
191 | default: |
a382a84b |
192 | varspec->type = VAR_IO; |
64b79211 |
193 | break; |
a382a84b |
194 | } |
195 | } |
196 | |
bf460ff3 |
197 | static void _deconstruct_variable_hash(HV *variable, varspec_t *varspec) |
a382a84b |
198 | { |
26f802f7 |
199 | HE *val; |
a382a84b |
200 | |
26f802f7 |
201 | val = hv_fetch_ent(variable, name_key, 0, name_hash); |
a382a84b |
202 | if (!val) |
203 | croak("The 'name' key is required in variable specs"); |
204 | |
061b471e |
205 | varspec->name = sv_2mortal(newSVsv(HeVAL(val))); |
a382a84b |
206 | |
26f802f7 |
207 | val = hv_fetch_ent(variable, type_key, 0, type_hash); |
a382a84b |
208 | if (!val) |
209 | croak("The 'type' key is required in variable specs"); |
210 | |
061b471e |
211 | varspec->type = string_to_vartype(SvPV_nolen(HeVAL(val))); |
a382a84b |
212 | } |
213 | |
bf460ff3 |
214 | static int _valid_for_type(SV *value, vartype_t type) |
a382a84b |
215 | { |
216 | svtype sv_type = SvROK(value) ? SvTYPE(SvRV(value)) : SVt_NULL; |
217 | |
218 | switch (type) { |
219 | case VAR_SCALAR: |
08873c7d |
220 | return sv_type != SVt_PVAV && sv_type != SVt_PVHV && |
221 | sv_type != SVt_PVCV && sv_type != SVt_PVFM && |
222 | sv_type != SVt_PVIO; |
a382a84b |
223 | case VAR_ARRAY: |
224 | return sv_type == SVt_PVAV; |
225 | case VAR_HASH: |
226 | return sv_type == SVt_PVHV; |
227 | case VAR_CODE: |
228 | return sv_type == SVt_PVCV; |
229 | case VAR_IO: |
76f7c306 |
230 | return sv_type == SVt_PVIO; |
a382a84b |
231 | default: |
232 | return 0; |
233 | } |
234 | } |
235 | |
bf460ff3 |
236 | static HV *_get_namespace(SV *self) |
3fd56b4d |
237 | { |
238 | dSP; |
239 | SV *ret; |
240 | |
241 | PUSHMARK(SP); |
242 | XPUSHs(self); |
243 | PUTBACK; |
244 | |
612dcf3b |
245 | call_method("namespace", G_SCALAR); |
3fd56b4d |
246 | |
247 | SPAGAIN; |
248 | ret = POPs; |
249 | PUTBACK; |
250 | |
251 | return (HV*)SvRV(ret); |
252 | } |
253 | |
bf460ff3 |
254 | static SV *_get_name(SV *self) |
76f7c306 |
255 | { |
256 | dSP; |
257 | SV *ret; |
258 | |
259 | PUSHMARK(SP); |
260 | XPUSHs(self); |
261 | PUTBACK; |
262 | |
612dcf3b |
263 | call_method("name", G_SCALAR); |
76f7c306 |
264 | |
265 | SPAGAIN; |
266 | ret = POPs; |
267 | PUTBACK; |
268 | |
269 | return ret; |
270 | } |
271 | |
bf460ff3 |
272 | static void _expand_glob(SV *self, SV *varname) |
60b395a1 |
273 | { |
4849f4fc |
274 | SV *name; |
60b395a1 |
275 | |
4849f4fc |
276 | name = newSVsv(_get_name(self)); |
277 | sv_catpvs(name, "::"); |
278 | sv_catsv(name, varname); |
60b395a1 |
279 | |
280 | /* can't use gv_init here, because it screws up @ISA in a way that I |
281 | * can't reproduce, but that CMOP triggers */ |
4849f4fc |
282 | gv_fetchsv(name, GV_ADD, SVt_NULL); |
283 | SvREFCNT_dec(name); |
60b395a1 |
284 | } |
285 | |
bf460ff3 |
286 | static SV *_get_symbol(SV *self, varspec_t *variable, int vivify) |
4871b1a0 |
287 | { |
288 | HV *namespace; |
4849f4fc |
289 | HE *entry; |
4871b1a0 |
290 | GV *glob; |
291 | |
292 | namespace = _get_namespace(self); |
4849f4fc |
293 | entry = hv_fetch_ent(namespace, variable->name, vivify, 0); |
4871b1a0 |
294 | if (!entry) |
295 | return NULL; |
296 | |
4849f4fc |
297 | glob = (GV*)(HeVAL(entry)); |
60b395a1 |
298 | if (!isGV(glob)) |
299 | _expand_glob(self, variable->name); |
4871b1a0 |
300 | |
301 | if (vivify) { |
302 | switch (variable->type) { |
303 | case VAR_SCALAR: |
d551a208 |
304 | if (!GvSVOK(glob)) |
305 | GvSetSV(glob, newSV(0)); |
4871b1a0 |
306 | break; |
307 | case VAR_ARRAY: |
d551a208 |
308 | if (!GvAVOK(glob)) |
309 | GvSetAV(glob, newAV()); |
4871b1a0 |
310 | break; |
311 | case VAR_HASH: |
d551a208 |
312 | if (!GvHVOK(glob)) |
313 | GvSetHV(glob, newHV()); |
4871b1a0 |
314 | break; |
315 | case VAR_CODE: |
316 | croak("Don't know how to vivify CODE variables"); |
317 | case VAR_IO: |
d551a208 |
318 | if (!GvIOOK(glob)) |
319 | GvSetIO(glob, newIO()); |
4871b1a0 |
320 | break; |
321 | default: |
322 | croak("Unknown type in vivication"); |
323 | } |
324 | } |
325 | |
326 | switch (variable->type) { |
327 | case VAR_SCALAR: |
328 | return GvSV(glob); |
329 | case VAR_ARRAY: |
330 | return (SV*)GvAV(glob); |
331 | case VAR_HASH: |
332 | return (SV*)GvHV(glob); |
333 | case VAR_CODE: |
334 | return (SV*)GvCV(glob); |
335 | case VAR_IO: |
336 | return (SV*)GvIO(glob); |
337 | default: |
338 | return NULL; |
339 | } |
340 | } |
341 | |
c53d2df2 |
342 | MODULE = Package::Stash::XS PACKAGE = Package::Stash::XS |
59017825 |
343 | |
be2a7e99 |
344 | PROTOTYPES: DISABLE |
345 | |
59017825 |
346 | SV* |
347 | new(class, package_name) |
4849f4fc |
348 | SV *class |
59017825 |
349 | SV *package_name |
3496f1e8 |
350 | PREINIT: |
59017825 |
351 | HV *instance; |
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 | |
4849f4fc |
364 | RETVAL = sv_bless(newRV_noinc((SV*)instance), gv_stashsv(class, 0)); |
59017825 |
365 | OUTPUT: |
366 | RETVAL |
194acf47 |
367 | |
368 | SV* |
369 | name(self) |
370 | SV *self |
3496f1e8 |
371 | PREINIT: |
26f802f7 |
372 | HE *slot; |
194acf47 |
373 | CODE: |
374 | if (!sv_isobject(self)) |
375 | croak("Can't call name as a class method"); |
26f802f7 |
376 | slot = hv_fetch_ent((HV*)SvRV(self), name_key, 0, name_hash); |
377 | RETVAL = slot ? SvREFCNT_inc_simple_NN(HeVAL(slot)) : &PL_sv_undef; |
194acf47 |
378 | OUTPUT: |
379 | RETVAL |
380 | |
381 | SV* |
382 | namespace(self) |
383 | SV *self |
3496f1e8 |
384 | PREINIT: |
26f802f7 |
385 | HE *slot; |
7c3b261c |
386 | SV *package_name; |
194acf47 |
387 | CODE: |
388 | if (!sv_isobject(self)) |
389 | croak("Can't call namespace as a class method"); |
7c3b261c |
390 | #if PERL_VERSION < 10 |
391 | package_name = _get_name(self); |
392 | RETVAL = newRV_inc((SV*)gv_stashpv(SvPV_nolen(package_name), GV_ADD)); |
393 | #else |
26f802f7 |
394 | slot = hv_fetch_ent((HV*)SvRV(self), namespace_key, 0, namespace_hash); |
31263168 |
395 | if (slot) { |
396 | RETVAL = SvREFCNT_inc_simple_NN(HeVAL(slot)); |
397 | } |
398 | else { |
399 | HV *namespace; |
7c3b261c |
400 | SV *nsref; |
31263168 |
401 | |
402 | package_name = _get_name(self); |
403 | namespace = gv_stashpv(SvPV_nolen(package_name), GV_ADD); |
404 | nsref = newRV_inc((SV*)namespace); |
405 | sv_rvweaken(nsref); |
406 | if (!hv_store((HV*)SvRV(self), "namespace", 9, nsref, 0)) { |
407 | SvREFCNT_dec(nsref); |
408 | SvREFCNT_dec(self); |
409 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
410 | } |
411 | RETVAL = SvREFCNT_inc_simple_NN(nsref); |
412 | } |
7c3b261c |
413 | #endif |
194acf47 |
414 | OUTPUT: |
415 | RETVAL |
3fd56b4d |
416 | |
417 | void |
15c104e2 |
418 | add_symbol(self, variable, initial=NULL, ...) |
76f7c306 |
419 | SV *self |
420 | varspec_t variable |
421 | SV *initial |
422 | PREINIT: |
423 | SV *name; |
424 | GV *glob; |
425 | CODE: |
426 | if (initial && !_valid_for_type(initial, variable.type)) |
427 | croak("%s is not of type %s", |
428 | SvPV_nolen(initial), vartype_to_string(variable.type)); |
429 | |
430 | name = newSVsv(_get_name(self)); |
431 | sv_catpvs(name, "::"); |
4849f4fc |
432 | sv_catsv(name, variable.name); |
76f7c306 |
433 | |
76f7c306 |
434 | if (items > 2 && (PL_perldb & 0x10) && variable.type == VAR_CODE) { |
435 | int i; |
4849f4fc |
436 | char *filename = NULL; |
d1d0e437 |
437 | I32 first_line_num = -1, last_line_num = -1; |
438 | STRLEN namelen; |
439 | SV *dbval; |
440 | HV *dbsub; |
76f7c306 |
441 | |
442 | if ((items - 3) % 2) |
15c104e2 |
443 | croak("add_symbol: Odd number of elements in %%opts"); |
76f7c306 |
444 | |
445 | for (i = 3; i < items; i += 2) { |
446 | char *key; |
447 | key = SvPV_nolen(ST(i)); |
448 | if (strEQ(key, "filename")) { |
449 | if (!SvPOK(ST(i + 1))) |
15c104e2 |
450 | croak("add_symbol: filename must be a string"); |
76f7c306 |
451 | filename = SvPV_nolen(ST(i + 1)); |
452 | } |
453 | else if (strEQ(key, "first_line_num")) { |
454 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
455 | croak("add_symbol: first_line_num must be an integer"); |
76f7c306 |
456 | first_line_num = SvIV(ST(i + 1)); |
457 | } |
458 | else if (strEQ(key, "last_line_num")) { |
459 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
460 | croak("add_symbol: last_line_num must be an integer"); |
76f7c306 |
461 | last_line_num = SvIV(ST(i + 1)); |
462 | } |
463 | } |
464 | |
d1d0e437 |
465 | if (!filename || first_line_num == -1) { |
d1d0e437 |
466 | if (!filename) |
e0162997 |
467 | filename = CopFILE(PL_curcop); |
d1d0e437 |
468 | if (first_line_num == -1) |
e0162997 |
469 | first_line_num = PL_curcop->cop_line; |
d1d0e437 |
470 | } |
471 | |
472 | if (last_line_num == -1) |
473 | last_line_num = first_line_num; |
474 | |
475 | /* http://perldoc.perl.org/perldebguts.html#Debugger-Internals */ |
476 | dbsub = get_hv("DB::sub", 1); |
477 | dbval = newSVpvf("%s:%d-%d", filename, first_line_num, last_line_num); |
4849f4fc |
478 | if (!hv_store_ent(dbsub, name, dbval, 0)) { |
479 | warn("Failed to update $DB::sub for subroutine %s", |
480 | SvPV_nolen(name)); |
d1d0e437 |
481 | SvREFCNT_dec(dbval); |
76f7c306 |
482 | } |
483 | } |
76f7c306 |
484 | |
9aa6fe4f |
485 | /* GV_ADDMULTI rather than GV_ADD because otherwise you get 'used only |
486 | * once' warnings in some situations... i can't reproduce this, but CMOP |
487 | * triggers it */ |
fedea7f9 |
488 | glob = gv_fetchsv(name, GV_ADDMULTI, vartype_to_svtype(variable.type)); |
76f7c306 |
489 | |
490 | if (initial) { |
491 | SV *val; |
492 | |
493 | if (SvROK(initial)) { |
494 | val = SvRV(initial); |
a2fec41a |
495 | SvREFCNT_inc_simple_void_NN(val); |
76f7c306 |
496 | } |
497 | else { |
498 | val = newSVsv(initial); |
499 | } |
500 | |
501 | switch (variable.type) { |
502 | case VAR_SCALAR: |
d551a208 |
503 | GvSetSV(glob, val); |
76f7c306 |
504 | break; |
505 | case VAR_ARRAY: |
d551a208 |
506 | GvSetAV(glob, val); |
76f7c306 |
507 | break; |
508 | case VAR_HASH: |
d551a208 |
509 | GvSetHV(glob, val); |
76f7c306 |
510 | break; |
511 | case VAR_CODE: |
d551a208 |
512 | GvSetCV(glob, val); |
76f7c306 |
513 | break; |
514 | case VAR_IO: |
d551a208 |
515 | GvSetIO(glob, val); |
76f7c306 |
516 | break; |
517 | } |
518 | } |
519 | |
5bb2b07b |
520 | SvREFCNT_dec(name); |
521 | |
76f7c306 |
522 | void |
4849f4fc |
523 | remove_glob(self, name) |
3fd56b4d |
524 | SV *self |
4849f4fc |
525 | SV *name |
3fd56b4d |
526 | CODE: |
4849f4fc |
527 | hv_delete_ent(_get_namespace(self), name, G_DISCARD, 0); |
9b608466 |
528 | |
34805376 |
529 | int |
15c104e2 |
530 | has_symbol(self, variable) |
34805376 |
531 | SV *self |
532 | varspec_t variable |
533 | PREINIT: |
534 | HV *namespace; |
4849f4fc |
535 | HE *entry; |
536 | SV *val; |
34805376 |
537 | CODE: |
538 | namespace = _get_namespace(self); |
4849f4fc |
539 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
34805376 |
540 | if (!entry) |
541 | XSRETURN_UNDEF; |
542 | |
4849f4fc |
543 | val = HeVAL(entry); |
544 | if (isGV(val)) { |
545 | GV *glob = (GV*)val; |
34805376 |
546 | switch (variable.type) { |
547 | case VAR_SCALAR: |
d551a208 |
548 | RETVAL = GvSVOK(glob) ? 1 : 0; |
34805376 |
549 | break; |
550 | case VAR_ARRAY: |
d551a208 |
551 | RETVAL = GvAVOK(glob) ? 1 : 0; |
34805376 |
552 | break; |
553 | case VAR_HASH: |
d551a208 |
554 | RETVAL = GvHVOK(glob) ? 1 : 0; |
34805376 |
555 | break; |
556 | case VAR_CODE: |
d551a208 |
557 | RETVAL = GvCVOK(glob) ? 1 : 0; |
34805376 |
558 | break; |
559 | case VAR_IO: |
d551a208 |
560 | RETVAL = GvIOOK(glob) ? 1 : 0; |
34805376 |
561 | break; |
562 | } |
563 | } |
564 | else { |
565 | RETVAL = (variable.type == VAR_CODE); |
566 | } |
567 | OUTPUT: |
568 | RETVAL |
569 | |
e3ad44fd |
570 | SV* |
15c104e2 |
571 | get_symbol(self, variable) |
e3ad44fd |
572 | SV *self |
573 | varspec_t variable |
574 | PREINIT: |
fca4ed0c |
575 | SV *val; |
e3ad44fd |
576 | CODE: |
15c104e2 |
577 | val = _get_symbol(self, &variable, 0); |
4871b1a0 |
578 | if (!val) |
e3ad44fd |
579 | XSRETURN_UNDEF; |
93c36417 |
580 | RETVAL = newRV_inc(val); |
4871b1a0 |
581 | OUTPUT: |
582 | RETVAL |
e3ad44fd |
583 | |
4871b1a0 |
584 | SV* |
15c104e2 |
585 | get_or_add_symbol(self, variable) |
4871b1a0 |
586 | SV *self |
587 | varspec_t variable |
588 | PREINIT: |
589 | SV *val; |
590 | CODE: |
15c104e2 |
591 | val = _get_symbol(self, &variable, 1); |
fca4ed0c |
592 | if (!val) |
593 | XSRETURN_UNDEF; |
93c36417 |
594 | RETVAL = newRV_inc(val); |
e3ad44fd |
595 | OUTPUT: |
596 | RETVAL |
597 | |
9b608466 |
598 | void |
15c104e2 |
599 | remove_symbol(self, variable) |
215f49f8 |
600 | SV *self |
601 | varspec_t variable |
602 | PREINIT: |
603 | HV *namespace; |
4849f4fc |
604 | HE *entry; |
605 | SV *val; |
215f49f8 |
606 | CODE: |
607 | namespace = _get_namespace(self); |
4849f4fc |
608 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
215f49f8 |
609 | if (!entry) |
610 | XSRETURN_EMPTY; |
611 | |
4849f4fc |
612 | val = HeVAL(entry); |
613 | if (isGV(val)) { |
614 | GV *glob = (GV*)val; |
215f49f8 |
615 | switch (variable.type) { |
616 | case VAR_SCALAR: |
d551a208 |
617 | GvSetSV(glob, NULL); |
215f49f8 |
618 | break; |
619 | case VAR_ARRAY: |
d551a208 |
620 | GvSetAV(glob, NULL); |
215f49f8 |
621 | break; |
622 | case VAR_HASH: |
d551a208 |
623 | GvSetHV(glob, NULL); |
215f49f8 |
624 | break; |
625 | case VAR_CODE: |
d551a208 |
626 | GvSetCV(glob, NULL); |
215f49f8 |
627 | break; |
628 | case VAR_IO: |
d551a208 |
629 | GvSetIO(glob, NULL); |
215f49f8 |
630 | break; |
631 | } |
632 | } |
633 | else { |
634 | if (variable.type == VAR_CODE) { |
4849f4fc |
635 | hv_delete_ent(namespace, variable.name, G_DISCARD, 0); |
215f49f8 |
636 | } |
637 | } |
638 | |
639 | void |
15c104e2 |
640 | list_all_symbols(self, vartype=VAR_NONE) |
9b608466 |
641 | SV *self |
642 | vartype_t vartype |
643 | PPCODE: |
644 | if (vartype == VAR_NONE) { |
645 | HV *namespace; |
646 | HE *entry; |
647 | int keys; |
648 | |
649 | namespace = _get_namespace(self); |
650 | keys = hv_iterinit(namespace); |
651 | EXTEND(SP, keys); |
ebcc8ba8 |
652 | while ((entry = hv_iternext(namespace))) { |
13f8a7b7 |
653 | mPUSHs(newSVhe(entry)); |
9b608466 |
654 | } |
655 | } |
656 | else { |
657 | HV *namespace; |
9b608466 |
658 | SV *val; |
659 | char *key; |
64b79211 |
660 | I32 len; |
9b608466 |
661 | |
662 | namespace = _get_namespace(self); |
663 | hv_iterinit(namespace); |
ebcc8ba8 |
664 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
9b608466 |
665 | GV *gv = (GV*)val; |
666 | if (isGV(gv)) { |
667 | switch (vartype) { |
668 | case VAR_SCALAR: |
d551a208 |
669 | if (GvSVOK(val)) |
9b608466 |
670 | mXPUSHp(key, len); |
671 | break; |
672 | case VAR_ARRAY: |
d551a208 |
673 | if (GvAVOK(val)) |
9b608466 |
674 | mXPUSHp(key, len); |
675 | break; |
676 | case VAR_HASH: |
d551a208 |
677 | if (GvHVOK(val)) |
9b608466 |
678 | mXPUSHp(key, len); |
679 | break; |
680 | case VAR_CODE: |
d551a208 |
681 | if (GvCVOK(val)) |
9b608466 |
682 | mXPUSHp(key, len); |
683 | break; |
684 | case VAR_IO: |
d551a208 |
685 | if (GvIOOK(val)) |
9b608466 |
686 | mXPUSHp(key, len); |
687 | break; |
688 | } |
689 | } |
690 | else if (vartype == VAR_CODE) { |
691 | mXPUSHp(key, len); |
692 | } |
693 | } |
694 | } |
26f802f7 |
695 | |
d2b55565 |
696 | void |
697 | get_all_symbols(self, vartype=VAR_NONE) |
698 | SV *self |
699 | vartype_t vartype |
700 | PREINIT: |
701 | HV *namespace, *ret; |
702 | SV *val; |
703 | char *key; |
704 | I32 len; |
705 | PPCODE: |
706 | namespace = _get_namespace(self); |
707 | ret = newHV(); |
708 | |
709 | hv_iterinit(namespace); |
710 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
711 | GV *gv = (GV*)val; |
712 | |
4849f4fc |
713 | if (!isGV(gv)) { |
714 | SV *keysv = newSVpvn(key, len); |
715 | _expand_glob(self, keysv); |
716 | SvREFCNT_dec(keysv); |
717 | } |
d2b55565 |
718 | |
719 | switch (vartype) { |
720 | case VAR_SCALAR: |
721 | if (GvSVOK(val)) |
722 | hv_store(ret, key, len, newRV_inc(GvSV(gv)), 0); |
723 | break; |
724 | case VAR_ARRAY: |
725 | if (GvAVOK(val)) |
726 | hv_store(ret, key, len, newRV_inc((SV*)GvAV(gv)), 0); |
727 | break; |
728 | case VAR_HASH: |
729 | if (GvHVOK(val)) |
730 | hv_store(ret, key, len, newRV_inc((SV*)GvHV(gv)), 0); |
731 | break; |
732 | case VAR_CODE: |
733 | if (GvCVOK(val)) |
734 | hv_store(ret, key, len, newRV_inc((SV*)GvCV(gv)), 0); |
735 | break; |
736 | case VAR_IO: |
737 | if (GvIOOK(val)) |
738 | hv_store(ret, key, len, newRV_inc((SV*)GvIO(gv)), 0); |
739 | break; |
740 | case VAR_NONE: |
741 | hv_store(ret, key, len, SvREFCNT_inc_simple_NN(val), 0); |
742 | break; |
743 | } |
744 | } |
745 | |
746 | mPUSHs(newRV_noinc((SV*)ret)); |
747 | |
26f802f7 |
748 | BOOT: |
749 | { |
750 | name_key = newSVpvs("name"); |
751 | PERL_HASH(name_hash, "name", 4); |
752 | |
753 | namespace_key = newSVpvs("namespace"); |
754 | PERL_HASH(namespace_hash, "namespace", 9); |
755 | |
756 | type_key = newSVpvs("type"); |
757 | PERL_HASH(type_hash, "type", 4); |
758 | } |