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 | |
a829b7a6 |
31 | #ifndef SVT_SCALAR |
32 | #define SVT_SCALAR(svt) (svt <= SVt_PVLV) |
33 | #endif |
34 | |
35 | #ifndef SVT_ARRAY |
36 | #define SVT_ARRAY(svt) (svt == SVt_PVAV) |
37 | #endif |
38 | |
39 | #ifndef SVT_HASH |
40 | #define SVT_HASH(svt) (svt == SVt_PVHV) |
41 | #endif |
42 | |
43 | #ifndef SVT_CODE |
44 | #define SVT_CODE(svt) (svt == SVt_PVCV) |
45 | #endif |
46 | |
47 | #ifndef SVT_IO |
48 | #define SVT_IO(svt) (svt == SVt_PVIO) |
49 | #endif |
50 | |
51 | #ifndef SVT_FORMAT |
52 | #define SVT_FORMAT(svt) (svt == SVt_PVFM) |
53 | #endif |
54 | |
d551a208 |
55 | /* HACK: scalar slots are always populated on perl < 5.10, so treat undef |
56 | * as nonexistent. this is consistent with the previous behavior of the pure |
57 | * perl version of this module (since this is the behavior that perl sees |
58 | * in all versions */ |
59 | #if PERL_VERSION < 10 |
60 | #define GvSVOK(g) (GvSV(g) && SvTYPE(GvSV(g)) != SVt_NULL) |
61 | #else |
62 | #define GvSVOK(g) GvSV(g) |
63 | #endif |
64 | |
65 | #define GvAVOK(g) GvAV(g) |
66 | #define GvHVOK(g) GvHV(g) |
67 | #define GvCVOK(g) GvCVu(g) /* XXX: should this really be GvCVu? or GvCV? */ |
68 | #define GvIOOK(g) GvIO(g) |
69 | |
9aa6fe4f |
70 | /* see above - don't let scalar slots become unpopulated, this breaks |
71 | * assumptions in core */ |
3720d1a1 |
72 | #if PERL_VERSION < 10 |
73 | #define GvSetSV(g,v) do { \ |
74 | SV *_v = (SV*)(v); \ |
75 | SvREFCNT_dec(GvSV(g)); \ |
76 | if ((GvSV(g) = _v ? _v : newSV(0))) \ |
77 | GvIMPORTED_SV_on(g); \ |
78 | } while (0) |
79 | #else |
d551a208 |
80 | #define GvSetSV(g,v) do { \ |
81 | SvREFCNT_dec(GvSV(g)); \ |
82 | if ((GvSV(g) = (SV*)(v))) \ |
83 | GvIMPORTED_SV_on(g); \ |
84 | } while (0) |
3720d1a1 |
85 | #endif |
86 | |
d551a208 |
87 | #define GvSetAV(g,v) do { \ |
88 | SvREFCNT_dec(GvAV(g)); \ |
89 | if ((GvAV(g) = (AV*)(v))) \ |
90 | GvIMPORTED_AV_on(g); \ |
91 | } while (0) |
92 | #define GvSetHV(g,v) do { \ |
93 | SvREFCNT_dec(GvHV(g)); \ |
94 | if ((GvHV(g) = (HV*)(v))) \ |
95 | GvIMPORTED_HV_on(g); \ |
96 | } while (0) |
97 | #define GvSetCV(g,v) do { \ |
98 | SvREFCNT_dec(GvCV(g)); \ |
22d15de6 |
99 | if ((GvCV_set(g, v))) { \ |
d551a208 |
100 | GvIMPORTED_CV_on(g); \ |
101 | GvASSUMECV_on(g); \ |
102 | } \ |
103 | GvCVGEN(g) = 0; \ |
104 | mro_method_changed_in(GvSTASH(g)); \ |
105 | } while (0) |
106 | #define GvSetIO(g,v) do { \ |
107 | SvREFCNT_dec(GvIO(g)); \ |
108 | GvIOp(g) = (IO*)(v); \ |
109 | } while (0) |
110 | |
a382a84b |
111 | typedef enum { |
112 | VAR_NONE = 0, |
113 | VAR_SCALAR, |
114 | VAR_ARRAY, |
115 | VAR_HASH, |
116 | VAR_CODE, |
117 | VAR_IO, |
118 | VAR_GLOB, /* TODO: unimplemented */ |
119 | VAR_FORMAT /* TODO: unimplemented */ |
120 | } vartype_t; |
121 | |
122 | typedef struct { |
123 | vartype_t type; |
4849f4fc |
124 | SV *name; |
a382a84b |
125 | } varspec_t; |
126 | |
26f802f7 |
127 | static U32 name_hash, namespace_hash, type_hash; |
128 | static SV *name_key, *namespace_key, *type_key; |
129 | |
bf460ff3 |
130 | static const char *vartype_to_string(vartype_t type) |
76f7c306 |
131 | { |
132 | switch (type) { |
133 | case VAR_SCALAR: |
134 | return "SCALAR"; |
135 | case VAR_ARRAY: |
136 | return "ARRAY"; |
137 | case VAR_HASH: |
138 | return "HASH"; |
139 | case VAR_CODE: |
140 | return "CODE"; |
141 | case VAR_IO: |
142 | return "IO"; |
143 | default: |
144 | return "unknown"; |
145 | } |
146 | } |
147 | |
bf460ff3 |
148 | static I32 vartype_to_svtype(vartype_t type) |
76f7c306 |
149 | { |
150 | switch (type) { |
151 | case VAR_SCALAR: |
152 | return SVt_PV; /* or whatever */ |
153 | case VAR_ARRAY: |
154 | return SVt_PVAV; |
155 | case VAR_HASH: |
156 | return SVt_PVHV; |
157 | case VAR_CODE: |
158 | return SVt_PVCV; |
159 | case VAR_IO: |
160 | return SVt_PVIO; |
161 | default: |
162 | return SVt_NULL; |
163 | } |
164 | } |
165 | |
bf460ff3 |
166 | static vartype_t string_to_vartype(char *vartype) |
a382a84b |
167 | { |
168 | if (strEQ(vartype, "SCALAR")) { |
169 | return VAR_SCALAR; |
170 | } |
171 | else if (strEQ(vartype, "ARRAY")) { |
172 | return VAR_ARRAY; |
173 | } |
174 | else if (strEQ(vartype, "HASH")) { |
175 | return VAR_HASH; |
176 | } |
177 | else if (strEQ(vartype, "CODE")) { |
178 | return VAR_CODE; |
179 | } |
180 | else if (strEQ(vartype, "IO")) { |
181 | return VAR_IO; |
182 | } |
183 | else { |
f88deb66 |
184 | croak("Type must be one of 'SCALAR', 'ARRAY', 'HASH', 'CODE', or 'IO', not '%s'", vartype); |
a382a84b |
185 | } |
186 | } |
187 | |
bf460ff3 |
188 | static void _deconstruct_variable_name(SV *variable, varspec_t *varspec) |
a382a84b |
189 | { |
4849f4fc |
190 | char *varpv; |
a382a84b |
191 | |
4849f4fc |
192 | if (!SvCUR(variable)) |
64b79211 |
193 | croak("You must pass a variable name"); |
a382a84b |
194 | |
4849f4fc |
195 | varspec->name = sv_2mortal(newSVsv(variable)); |
196 | |
197 | varpv = SvPV_nolen(varspec->name); |
198 | switch (varpv[0]) { |
a382a84b |
199 | case '$': |
200 | varspec->type = VAR_SCALAR; |
4849f4fc |
201 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
202 | break; |
203 | case '@': |
204 | varspec->type = VAR_ARRAY; |
4849f4fc |
205 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
206 | break; |
207 | case '%': |
208 | varspec->type = VAR_HASH; |
4849f4fc |
209 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
210 | break; |
211 | case '&': |
212 | varspec->type = VAR_CODE; |
4849f4fc |
213 | sv_chop(varspec->name, &varpv[1]); |
64b79211 |
214 | break; |
215 | default: |
a382a84b |
216 | varspec->type = VAR_IO; |
64b79211 |
217 | break; |
a382a84b |
218 | } |
219 | } |
220 | |
bf460ff3 |
221 | static void _deconstruct_variable_hash(HV *variable, varspec_t *varspec) |
a382a84b |
222 | { |
26f802f7 |
223 | HE *val; |
a382a84b |
224 | |
26f802f7 |
225 | val = hv_fetch_ent(variable, name_key, 0, name_hash); |
a382a84b |
226 | if (!val) |
227 | croak("The 'name' key is required in variable specs"); |
228 | |
061b471e |
229 | varspec->name = sv_2mortal(newSVsv(HeVAL(val))); |
a382a84b |
230 | |
26f802f7 |
231 | val = hv_fetch_ent(variable, type_key, 0, type_hash); |
a382a84b |
232 | if (!val) |
233 | croak("The 'type' key is required in variable specs"); |
234 | |
061b471e |
235 | varspec->type = string_to_vartype(SvPV_nolen(HeVAL(val))); |
a382a84b |
236 | } |
237 | |
bf460ff3 |
238 | static int _valid_for_type(SV *value, vartype_t type) |
a382a84b |
239 | { |
240 | svtype sv_type = SvROK(value) ? SvTYPE(SvRV(value)) : SVt_NULL; |
241 | |
242 | switch (type) { |
243 | case VAR_SCALAR: |
5a4d63bd |
244 | /* XXX is a glob a scalar? assigning a glob to the scalar slot seems |
245 | * to work here, but in pure perl i'm pretty sure it goes to the EGV |
246 | * slot, which seems more correct to me. just disable it for now |
247 | * i guess */ |
248 | return SVT_SCALAR(sv_type) && sv_type != SVt_PVGV; |
a382a84b |
249 | case VAR_ARRAY: |
a829b7a6 |
250 | return SVT_ARRAY(sv_type); |
a382a84b |
251 | case VAR_HASH: |
a829b7a6 |
252 | return SVT_HASH(sv_type); |
a382a84b |
253 | case VAR_CODE: |
a829b7a6 |
254 | return SVT_CODE(sv_type); |
a382a84b |
255 | case VAR_IO: |
a829b7a6 |
256 | return SVT_IO(sv_type); |
a382a84b |
257 | default: |
258 | return 0; |
259 | } |
260 | } |
261 | |
bf460ff3 |
262 | static HV *_get_namespace(SV *self) |
3fd56b4d |
263 | { |
264 | dSP; |
265 | SV *ret; |
266 | |
267 | PUSHMARK(SP); |
268 | XPUSHs(self); |
269 | PUTBACK; |
270 | |
612dcf3b |
271 | call_method("namespace", G_SCALAR); |
3fd56b4d |
272 | |
273 | SPAGAIN; |
274 | ret = POPs; |
275 | PUTBACK; |
276 | |
277 | return (HV*)SvRV(ret); |
278 | } |
279 | |
bf460ff3 |
280 | static SV *_get_name(SV *self) |
76f7c306 |
281 | { |
282 | dSP; |
283 | SV *ret; |
284 | |
285 | PUSHMARK(SP); |
286 | XPUSHs(self); |
287 | PUTBACK; |
288 | |
612dcf3b |
289 | call_method("name", G_SCALAR); |
76f7c306 |
290 | |
291 | SPAGAIN; |
292 | ret = POPs; |
293 | PUTBACK; |
294 | |
295 | return ret; |
296 | } |
297 | |
bf460ff3 |
298 | static void _expand_glob(SV *self, SV *varname) |
60b395a1 |
299 | { |
4849f4fc |
300 | SV *name; |
60b395a1 |
301 | |
4849f4fc |
302 | name = newSVsv(_get_name(self)); |
303 | sv_catpvs(name, "::"); |
304 | sv_catsv(name, varname); |
60b395a1 |
305 | |
306 | /* can't use gv_init here, because it screws up @ISA in a way that I |
307 | * can't reproduce, but that CMOP triggers */ |
4849f4fc |
308 | gv_fetchsv(name, GV_ADD, SVt_NULL); |
309 | SvREFCNT_dec(name); |
60b395a1 |
310 | } |
311 | |
bf460ff3 |
312 | static SV *_get_symbol(SV *self, varspec_t *variable, int vivify) |
4871b1a0 |
313 | { |
314 | HV *namespace; |
4849f4fc |
315 | HE *entry; |
4871b1a0 |
316 | GV *glob; |
317 | |
318 | namespace = _get_namespace(self); |
4849f4fc |
319 | entry = hv_fetch_ent(namespace, variable->name, vivify, 0); |
4871b1a0 |
320 | if (!entry) |
321 | return NULL; |
322 | |
4849f4fc |
323 | glob = (GV*)(HeVAL(entry)); |
60b395a1 |
324 | if (!isGV(glob)) |
325 | _expand_glob(self, variable->name); |
4871b1a0 |
326 | |
327 | if (vivify) { |
328 | switch (variable->type) { |
329 | case VAR_SCALAR: |
d551a208 |
330 | if (!GvSVOK(glob)) |
331 | GvSetSV(glob, newSV(0)); |
4871b1a0 |
332 | break; |
333 | case VAR_ARRAY: |
d551a208 |
334 | if (!GvAVOK(glob)) |
335 | GvSetAV(glob, newAV()); |
4871b1a0 |
336 | break; |
337 | case VAR_HASH: |
d551a208 |
338 | if (!GvHVOK(glob)) |
339 | GvSetHV(glob, newHV()); |
4871b1a0 |
340 | break; |
341 | case VAR_CODE: |
342 | croak("Don't know how to vivify CODE variables"); |
343 | case VAR_IO: |
d551a208 |
344 | if (!GvIOOK(glob)) |
345 | GvSetIO(glob, newIO()); |
4871b1a0 |
346 | break; |
347 | default: |
348 | croak("Unknown type in vivication"); |
349 | } |
350 | } |
351 | |
352 | switch (variable->type) { |
353 | case VAR_SCALAR: |
354 | return GvSV(glob); |
355 | case VAR_ARRAY: |
356 | return (SV*)GvAV(glob); |
357 | case VAR_HASH: |
358 | return (SV*)GvHV(glob); |
359 | case VAR_CODE: |
360 | return (SV*)GvCV(glob); |
361 | case VAR_IO: |
362 | return (SV*)GvIO(glob); |
363 | default: |
364 | return NULL; |
365 | } |
366 | } |
367 | |
c53d2df2 |
368 | MODULE = Package::Stash::XS PACKAGE = Package::Stash::XS |
59017825 |
369 | |
be2a7e99 |
370 | PROTOTYPES: DISABLE |
371 | |
59017825 |
372 | SV* |
373 | new(class, package_name) |
4849f4fc |
374 | SV *class |
59017825 |
375 | SV *package_name |
3496f1e8 |
376 | PREINIT: |
59017825 |
377 | HV *instance; |
59017825 |
378 | CODE: |
379 | if (!SvPOK(package_name)) |
380 | croak("The constructor argument must be the name of a package"); |
381 | |
6c3e69c6 |
382 | instance = newHV(); |
59017825 |
383 | |
1d6c978b |
384 | if (!hv_store(instance, "name", 4, SvREFCNT_inc_simple_NN(package_name), 0)) { |
385 | SvREFCNT_dec(package_name); |
c86a1630 |
386 | SvREFCNT_dec(instance); |
e8d57afd |
387 | croak("Couldn't initialize the 'name' key, hv_store failed"); |
1d6c978b |
388 | } |
59017825 |
389 | |
4849f4fc |
390 | RETVAL = sv_bless(newRV_noinc((SV*)instance), gv_stashsv(class, 0)); |
59017825 |
391 | OUTPUT: |
392 | RETVAL |
194acf47 |
393 | |
394 | SV* |
395 | name(self) |
396 | SV *self |
3496f1e8 |
397 | PREINIT: |
26f802f7 |
398 | HE *slot; |
194acf47 |
399 | CODE: |
400 | if (!sv_isobject(self)) |
401 | croak("Can't call name as a class method"); |
26f802f7 |
402 | slot = hv_fetch_ent((HV*)SvRV(self), name_key, 0, name_hash); |
403 | RETVAL = slot ? SvREFCNT_inc_simple_NN(HeVAL(slot)) : &PL_sv_undef; |
194acf47 |
404 | OUTPUT: |
405 | RETVAL |
406 | |
407 | SV* |
408 | namespace(self) |
409 | SV *self |
3496f1e8 |
410 | PREINIT: |
26f802f7 |
411 | HE *slot; |
7c3b261c |
412 | SV *package_name; |
194acf47 |
413 | CODE: |
414 | if (!sv_isobject(self)) |
415 | croak("Can't call namespace as a class method"); |
7c3b261c |
416 | #if PERL_VERSION < 10 |
417 | package_name = _get_name(self); |
418 | RETVAL = newRV_inc((SV*)gv_stashpv(SvPV_nolen(package_name), GV_ADD)); |
419 | #else |
26f802f7 |
420 | slot = hv_fetch_ent((HV*)SvRV(self), namespace_key, 0, namespace_hash); |
31263168 |
421 | if (slot) { |
422 | RETVAL = SvREFCNT_inc_simple_NN(HeVAL(slot)); |
423 | } |
424 | else { |
425 | HV *namespace; |
7c3b261c |
426 | SV *nsref; |
31263168 |
427 | |
428 | package_name = _get_name(self); |
429 | namespace = gv_stashpv(SvPV_nolen(package_name), GV_ADD); |
430 | nsref = newRV_inc((SV*)namespace); |
431 | sv_rvweaken(nsref); |
432 | if (!hv_store((HV*)SvRV(self), "namespace", 9, nsref, 0)) { |
433 | SvREFCNT_dec(nsref); |
434 | SvREFCNT_dec(self); |
435 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
436 | } |
437 | RETVAL = SvREFCNT_inc_simple_NN(nsref); |
438 | } |
7c3b261c |
439 | #endif |
194acf47 |
440 | OUTPUT: |
441 | RETVAL |
3fd56b4d |
442 | |
443 | void |
15c104e2 |
444 | add_symbol(self, variable, initial=NULL, ...) |
76f7c306 |
445 | SV *self |
446 | varspec_t variable |
447 | SV *initial |
448 | PREINIT: |
449 | SV *name; |
450 | GV *glob; |
451 | CODE: |
452 | if (initial && !_valid_for_type(initial, variable.type)) |
453 | croak("%s is not of type %s", |
454 | SvPV_nolen(initial), vartype_to_string(variable.type)); |
455 | |
456 | name = newSVsv(_get_name(self)); |
457 | sv_catpvs(name, "::"); |
4849f4fc |
458 | sv_catsv(name, variable.name); |
76f7c306 |
459 | |
76f7c306 |
460 | if (items > 2 && (PL_perldb & 0x10) && variable.type == VAR_CODE) { |
461 | int i; |
4849f4fc |
462 | char *filename = NULL; |
d1d0e437 |
463 | I32 first_line_num = -1, last_line_num = -1; |
d1d0e437 |
464 | SV *dbval; |
465 | HV *dbsub; |
76f7c306 |
466 | |
467 | if ((items - 3) % 2) |
15c104e2 |
468 | croak("add_symbol: Odd number of elements in %%opts"); |
76f7c306 |
469 | |
470 | for (i = 3; i < items; i += 2) { |
471 | char *key; |
472 | key = SvPV_nolen(ST(i)); |
473 | if (strEQ(key, "filename")) { |
474 | if (!SvPOK(ST(i + 1))) |
15c104e2 |
475 | croak("add_symbol: filename must be a string"); |
76f7c306 |
476 | filename = SvPV_nolen(ST(i + 1)); |
477 | } |
478 | else if (strEQ(key, "first_line_num")) { |
479 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
480 | croak("add_symbol: first_line_num must be an integer"); |
76f7c306 |
481 | first_line_num = SvIV(ST(i + 1)); |
482 | } |
483 | else if (strEQ(key, "last_line_num")) { |
484 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
485 | croak("add_symbol: last_line_num must be an integer"); |
76f7c306 |
486 | last_line_num = SvIV(ST(i + 1)); |
487 | } |
488 | } |
489 | |
d1d0e437 |
490 | if (!filename || first_line_num == -1) { |
d1d0e437 |
491 | if (!filename) |
e0162997 |
492 | filename = CopFILE(PL_curcop); |
d1d0e437 |
493 | if (first_line_num == -1) |
e0162997 |
494 | first_line_num = PL_curcop->cop_line; |
d1d0e437 |
495 | } |
496 | |
497 | if (last_line_num == -1) |
498 | last_line_num = first_line_num; |
499 | |
500 | /* http://perldoc.perl.org/perldebguts.html#Debugger-Internals */ |
501 | dbsub = get_hv("DB::sub", 1); |
502 | dbval = newSVpvf("%s:%d-%d", filename, first_line_num, last_line_num); |
4849f4fc |
503 | if (!hv_store_ent(dbsub, name, dbval, 0)) { |
504 | warn("Failed to update $DB::sub for subroutine %s", |
505 | SvPV_nolen(name)); |
d1d0e437 |
506 | SvREFCNT_dec(dbval); |
76f7c306 |
507 | } |
508 | } |
76f7c306 |
509 | |
9aa6fe4f |
510 | /* GV_ADDMULTI rather than GV_ADD because otherwise you get 'used only |
511 | * once' warnings in some situations... i can't reproduce this, but CMOP |
512 | * triggers it */ |
fedea7f9 |
513 | glob = gv_fetchsv(name, GV_ADDMULTI, vartype_to_svtype(variable.type)); |
76f7c306 |
514 | |
515 | if (initial) { |
516 | SV *val; |
517 | |
518 | if (SvROK(initial)) { |
519 | val = SvRV(initial); |
a2fec41a |
520 | SvREFCNT_inc_simple_void_NN(val); |
76f7c306 |
521 | } |
522 | else { |
523 | val = newSVsv(initial); |
524 | } |
525 | |
526 | switch (variable.type) { |
527 | case VAR_SCALAR: |
d551a208 |
528 | GvSetSV(glob, val); |
76f7c306 |
529 | break; |
530 | case VAR_ARRAY: |
d551a208 |
531 | GvSetAV(glob, val); |
76f7c306 |
532 | break; |
533 | case VAR_HASH: |
d551a208 |
534 | GvSetHV(glob, val); |
76f7c306 |
535 | break; |
536 | case VAR_CODE: |
d551a208 |
537 | GvSetCV(glob, val); |
76f7c306 |
538 | break; |
539 | case VAR_IO: |
d551a208 |
540 | GvSetIO(glob, val); |
76f7c306 |
541 | break; |
542 | } |
543 | } |
544 | |
5bb2b07b |
545 | SvREFCNT_dec(name); |
546 | |
76f7c306 |
547 | void |
4849f4fc |
548 | remove_glob(self, name) |
3fd56b4d |
549 | SV *self |
4849f4fc |
550 | SV *name |
3fd56b4d |
551 | CODE: |
4849f4fc |
552 | hv_delete_ent(_get_namespace(self), name, G_DISCARD, 0); |
9b608466 |
553 | |
34805376 |
554 | int |
15c104e2 |
555 | has_symbol(self, variable) |
34805376 |
556 | SV *self |
557 | varspec_t variable |
558 | PREINIT: |
559 | HV *namespace; |
4849f4fc |
560 | HE *entry; |
561 | SV *val; |
34805376 |
562 | CODE: |
563 | namespace = _get_namespace(self); |
4849f4fc |
564 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
34805376 |
565 | if (!entry) |
566 | XSRETURN_UNDEF; |
567 | |
4849f4fc |
568 | val = HeVAL(entry); |
569 | if (isGV(val)) { |
570 | GV *glob = (GV*)val; |
34805376 |
571 | switch (variable.type) { |
572 | case VAR_SCALAR: |
d551a208 |
573 | RETVAL = GvSVOK(glob) ? 1 : 0; |
34805376 |
574 | break; |
575 | case VAR_ARRAY: |
d551a208 |
576 | RETVAL = GvAVOK(glob) ? 1 : 0; |
34805376 |
577 | break; |
578 | case VAR_HASH: |
d551a208 |
579 | RETVAL = GvHVOK(glob) ? 1 : 0; |
34805376 |
580 | break; |
581 | case VAR_CODE: |
d551a208 |
582 | RETVAL = GvCVOK(glob) ? 1 : 0; |
34805376 |
583 | break; |
584 | case VAR_IO: |
d551a208 |
585 | RETVAL = GvIOOK(glob) ? 1 : 0; |
34805376 |
586 | break; |
587 | } |
588 | } |
589 | else { |
590 | RETVAL = (variable.type == VAR_CODE); |
591 | } |
592 | OUTPUT: |
593 | RETVAL |
594 | |
e3ad44fd |
595 | SV* |
15c104e2 |
596 | get_symbol(self, variable) |
e3ad44fd |
597 | SV *self |
598 | varspec_t variable |
599 | PREINIT: |
fca4ed0c |
600 | SV *val; |
e3ad44fd |
601 | CODE: |
15c104e2 |
602 | val = _get_symbol(self, &variable, 0); |
4871b1a0 |
603 | if (!val) |
e3ad44fd |
604 | XSRETURN_UNDEF; |
93c36417 |
605 | RETVAL = newRV_inc(val); |
4871b1a0 |
606 | OUTPUT: |
607 | RETVAL |
e3ad44fd |
608 | |
4871b1a0 |
609 | SV* |
15c104e2 |
610 | get_or_add_symbol(self, variable) |
4871b1a0 |
611 | SV *self |
612 | varspec_t variable |
613 | PREINIT: |
614 | SV *val; |
615 | CODE: |
15c104e2 |
616 | val = _get_symbol(self, &variable, 1); |
fca4ed0c |
617 | if (!val) |
618 | XSRETURN_UNDEF; |
93c36417 |
619 | RETVAL = newRV_inc(val); |
e3ad44fd |
620 | OUTPUT: |
621 | RETVAL |
622 | |
9b608466 |
623 | void |
15c104e2 |
624 | remove_symbol(self, variable) |
215f49f8 |
625 | SV *self |
626 | varspec_t variable |
627 | PREINIT: |
628 | HV *namespace; |
4849f4fc |
629 | HE *entry; |
630 | SV *val; |
215f49f8 |
631 | CODE: |
632 | namespace = _get_namespace(self); |
4849f4fc |
633 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
215f49f8 |
634 | if (!entry) |
635 | XSRETURN_EMPTY; |
636 | |
4849f4fc |
637 | val = HeVAL(entry); |
638 | if (isGV(val)) { |
639 | GV *glob = (GV*)val; |
215f49f8 |
640 | switch (variable.type) { |
641 | case VAR_SCALAR: |
d551a208 |
642 | GvSetSV(glob, NULL); |
215f49f8 |
643 | break; |
644 | case VAR_ARRAY: |
d551a208 |
645 | GvSetAV(glob, NULL); |
215f49f8 |
646 | break; |
647 | case VAR_HASH: |
d551a208 |
648 | GvSetHV(glob, NULL); |
215f49f8 |
649 | break; |
650 | case VAR_CODE: |
d551a208 |
651 | GvSetCV(glob, NULL); |
215f49f8 |
652 | break; |
653 | case VAR_IO: |
d551a208 |
654 | GvSetIO(glob, NULL); |
215f49f8 |
655 | break; |
656 | } |
657 | } |
658 | else { |
659 | if (variable.type == VAR_CODE) { |
4849f4fc |
660 | hv_delete_ent(namespace, variable.name, G_DISCARD, 0); |
215f49f8 |
661 | } |
662 | } |
663 | |
664 | void |
15c104e2 |
665 | list_all_symbols(self, vartype=VAR_NONE) |
9b608466 |
666 | SV *self |
667 | vartype_t vartype |
668 | PPCODE: |
669 | if (vartype == VAR_NONE) { |
670 | HV *namespace; |
671 | HE *entry; |
672 | int keys; |
673 | |
674 | namespace = _get_namespace(self); |
675 | keys = hv_iterinit(namespace); |
676 | EXTEND(SP, keys); |
ebcc8ba8 |
677 | while ((entry = hv_iternext(namespace))) { |
13f8a7b7 |
678 | mPUSHs(newSVhe(entry)); |
9b608466 |
679 | } |
680 | } |
681 | else { |
682 | HV *namespace; |
9b608466 |
683 | SV *val; |
684 | char *key; |
64b79211 |
685 | I32 len; |
9b608466 |
686 | |
687 | namespace = _get_namespace(self); |
688 | hv_iterinit(namespace); |
ebcc8ba8 |
689 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
9b608466 |
690 | GV *gv = (GV*)val; |
691 | if (isGV(gv)) { |
692 | switch (vartype) { |
693 | case VAR_SCALAR: |
d551a208 |
694 | if (GvSVOK(val)) |
9b608466 |
695 | mXPUSHp(key, len); |
696 | break; |
697 | case VAR_ARRAY: |
d551a208 |
698 | if (GvAVOK(val)) |
9b608466 |
699 | mXPUSHp(key, len); |
700 | break; |
701 | case VAR_HASH: |
d551a208 |
702 | if (GvHVOK(val)) |
9b608466 |
703 | mXPUSHp(key, len); |
704 | break; |
705 | case VAR_CODE: |
d551a208 |
706 | if (GvCVOK(val)) |
9b608466 |
707 | mXPUSHp(key, len); |
708 | break; |
709 | case VAR_IO: |
d551a208 |
710 | if (GvIOOK(val)) |
9b608466 |
711 | mXPUSHp(key, len); |
712 | break; |
713 | } |
714 | } |
715 | else if (vartype == VAR_CODE) { |
716 | mXPUSHp(key, len); |
717 | } |
718 | } |
719 | } |
26f802f7 |
720 | |
d2b55565 |
721 | void |
722 | get_all_symbols(self, vartype=VAR_NONE) |
723 | SV *self |
724 | vartype_t vartype |
725 | PREINIT: |
726 | HV *namespace, *ret; |
727 | SV *val; |
728 | char *key; |
729 | I32 len; |
730 | PPCODE: |
731 | namespace = _get_namespace(self); |
732 | ret = newHV(); |
733 | |
734 | hv_iterinit(namespace); |
735 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
736 | GV *gv = (GV*)val; |
737 | |
4849f4fc |
738 | if (!isGV(gv)) { |
739 | SV *keysv = newSVpvn(key, len); |
740 | _expand_glob(self, keysv); |
741 | SvREFCNT_dec(keysv); |
742 | } |
d2b55565 |
743 | |
744 | switch (vartype) { |
745 | case VAR_SCALAR: |
746 | if (GvSVOK(val)) |
747 | hv_store(ret, key, len, newRV_inc(GvSV(gv)), 0); |
748 | break; |
749 | case VAR_ARRAY: |
750 | if (GvAVOK(val)) |
751 | hv_store(ret, key, len, newRV_inc((SV*)GvAV(gv)), 0); |
752 | break; |
753 | case VAR_HASH: |
754 | if (GvHVOK(val)) |
755 | hv_store(ret, key, len, newRV_inc((SV*)GvHV(gv)), 0); |
756 | break; |
757 | case VAR_CODE: |
758 | if (GvCVOK(val)) |
759 | hv_store(ret, key, len, newRV_inc((SV*)GvCV(gv)), 0); |
760 | break; |
761 | case VAR_IO: |
762 | if (GvIOOK(val)) |
763 | hv_store(ret, key, len, newRV_inc((SV*)GvIO(gv)), 0); |
764 | break; |
765 | case VAR_NONE: |
766 | hv_store(ret, key, len, SvREFCNT_inc_simple_NN(val), 0); |
767 | break; |
768 | } |
769 | } |
770 | |
771 | mPUSHs(newRV_noinc((SV*)ret)); |
772 | |
26f802f7 |
773 | BOOT: |
774 | { |
775 | name_key = newSVpvs("name"); |
776 | PERL_HASH(name_hash, "name", 4); |
777 | |
778 | namespace_key = newSVpvs("namespace"); |
779 | PERL_HASH(namespace_hash, "namespace", 9); |
780 | |
781 | type_key = newSVpvs("type"); |
782 | PERL_HASH(type_hash, "type", 4); |
783 | } |