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 | |
1ff84a32 |
238 | static void _check_varspec_is_valid(varspec_t *varspec) |
239 | { |
240 | if (strstr(SvPV_nolen(varspec->name), "::")) { |
241 | croak("Variable names may not contain ::"); |
242 | } |
243 | } |
244 | |
bf460ff3 |
245 | static int _valid_for_type(SV *value, vartype_t type) |
a382a84b |
246 | { |
247 | svtype sv_type = SvROK(value) ? SvTYPE(SvRV(value)) : SVt_NULL; |
248 | |
249 | switch (type) { |
250 | case VAR_SCALAR: |
5a4d63bd |
251 | /* XXX is a glob a scalar? assigning a glob to the scalar slot seems |
252 | * to work here, but in pure perl i'm pretty sure it goes to the EGV |
253 | * slot, which seems more correct to me. just disable it for now |
254 | * i guess */ |
255 | return SVT_SCALAR(sv_type) && sv_type != SVt_PVGV; |
a382a84b |
256 | case VAR_ARRAY: |
a829b7a6 |
257 | return SVT_ARRAY(sv_type); |
a382a84b |
258 | case VAR_HASH: |
a829b7a6 |
259 | return SVT_HASH(sv_type); |
a382a84b |
260 | case VAR_CODE: |
a829b7a6 |
261 | return SVT_CODE(sv_type); |
a382a84b |
262 | case VAR_IO: |
a829b7a6 |
263 | return SVT_IO(sv_type); |
a382a84b |
264 | default: |
265 | return 0; |
266 | } |
267 | } |
268 | |
bf460ff3 |
269 | static HV *_get_namespace(SV *self) |
3fd56b4d |
270 | { |
271 | dSP; |
272 | SV *ret; |
273 | |
274 | PUSHMARK(SP); |
275 | XPUSHs(self); |
276 | PUTBACK; |
277 | |
612dcf3b |
278 | call_method("namespace", G_SCALAR); |
3fd56b4d |
279 | |
280 | SPAGAIN; |
281 | ret = POPs; |
282 | PUTBACK; |
283 | |
284 | return (HV*)SvRV(ret); |
285 | } |
286 | |
bf460ff3 |
287 | static SV *_get_name(SV *self) |
76f7c306 |
288 | { |
289 | dSP; |
290 | SV *ret; |
291 | |
292 | PUSHMARK(SP); |
293 | XPUSHs(self); |
294 | PUTBACK; |
295 | |
612dcf3b |
296 | call_method("name", G_SCALAR); |
76f7c306 |
297 | |
298 | SPAGAIN; |
299 | ret = POPs; |
300 | PUTBACK; |
301 | |
302 | return ret; |
303 | } |
304 | |
bf460ff3 |
305 | static void _expand_glob(SV *self, SV *varname) |
60b395a1 |
306 | { |
4849f4fc |
307 | SV *name; |
60b395a1 |
308 | |
4849f4fc |
309 | name = newSVsv(_get_name(self)); |
310 | sv_catpvs(name, "::"); |
311 | sv_catsv(name, varname); |
60b395a1 |
312 | |
313 | /* can't use gv_init here, because it screws up @ISA in a way that I |
314 | * can't reproduce, but that CMOP triggers */ |
4849f4fc |
315 | gv_fetchsv(name, GV_ADD, SVt_NULL); |
316 | SvREFCNT_dec(name); |
60b395a1 |
317 | } |
318 | |
bf460ff3 |
319 | static SV *_get_symbol(SV *self, varspec_t *variable, int vivify) |
4871b1a0 |
320 | { |
321 | HV *namespace; |
4849f4fc |
322 | HE *entry; |
4871b1a0 |
323 | GV *glob; |
324 | |
325 | namespace = _get_namespace(self); |
4849f4fc |
326 | entry = hv_fetch_ent(namespace, variable->name, vivify, 0); |
4871b1a0 |
327 | if (!entry) |
328 | return NULL; |
329 | |
4849f4fc |
330 | glob = (GV*)(HeVAL(entry)); |
60b395a1 |
331 | if (!isGV(glob)) |
332 | _expand_glob(self, variable->name); |
4871b1a0 |
333 | |
334 | if (vivify) { |
335 | switch (variable->type) { |
336 | case VAR_SCALAR: |
d551a208 |
337 | if (!GvSVOK(glob)) |
338 | GvSetSV(glob, newSV(0)); |
4871b1a0 |
339 | break; |
340 | case VAR_ARRAY: |
d551a208 |
341 | if (!GvAVOK(glob)) |
342 | GvSetAV(glob, newAV()); |
4871b1a0 |
343 | break; |
344 | case VAR_HASH: |
d551a208 |
345 | if (!GvHVOK(glob)) |
346 | GvSetHV(glob, newHV()); |
4871b1a0 |
347 | break; |
348 | case VAR_CODE: |
349 | croak("Don't know how to vivify CODE variables"); |
350 | case VAR_IO: |
d551a208 |
351 | if (!GvIOOK(glob)) |
352 | GvSetIO(glob, newIO()); |
4871b1a0 |
353 | break; |
354 | default: |
355 | croak("Unknown type in vivication"); |
356 | } |
357 | } |
358 | |
359 | switch (variable->type) { |
360 | case VAR_SCALAR: |
361 | return GvSV(glob); |
362 | case VAR_ARRAY: |
363 | return (SV*)GvAV(glob); |
364 | case VAR_HASH: |
365 | return (SV*)GvHV(glob); |
366 | case VAR_CODE: |
367 | return (SV*)GvCV(glob); |
368 | case VAR_IO: |
369 | return (SV*)GvIO(glob); |
370 | default: |
371 | return NULL; |
372 | } |
373 | } |
374 | |
c53d2df2 |
375 | MODULE = Package::Stash::XS PACKAGE = Package::Stash::XS |
59017825 |
376 | |
be2a7e99 |
377 | PROTOTYPES: DISABLE |
378 | |
59017825 |
379 | SV* |
380 | new(class, package_name) |
4849f4fc |
381 | SV *class |
59017825 |
382 | SV *package_name |
3496f1e8 |
383 | PREINIT: |
59017825 |
384 | HV *instance; |
59017825 |
385 | CODE: |
386 | if (!SvPOK(package_name)) |
387 | croak("The constructor argument must be the name of a package"); |
388 | |
6c3e69c6 |
389 | instance = newHV(); |
59017825 |
390 | |
1d6c978b |
391 | if (!hv_store(instance, "name", 4, SvREFCNT_inc_simple_NN(package_name), 0)) { |
392 | SvREFCNT_dec(package_name); |
c86a1630 |
393 | SvREFCNT_dec(instance); |
e8d57afd |
394 | croak("Couldn't initialize the 'name' key, hv_store failed"); |
1d6c978b |
395 | } |
59017825 |
396 | |
4849f4fc |
397 | RETVAL = sv_bless(newRV_noinc((SV*)instance), gv_stashsv(class, 0)); |
59017825 |
398 | OUTPUT: |
399 | RETVAL |
194acf47 |
400 | |
401 | SV* |
402 | name(self) |
403 | SV *self |
3496f1e8 |
404 | PREINIT: |
26f802f7 |
405 | HE *slot; |
194acf47 |
406 | CODE: |
407 | if (!sv_isobject(self)) |
408 | croak("Can't call name as a class method"); |
26f802f7 |
409 | slot = hv_fetch_ent((HV*)SvRV(self), name_key, 0, name_hash); |
410 | RETVAL = slot ? SvREFCNT_inc_simple_NN(HeVAL(slot)) : &PL_sv_undef; |
194acf47 |
411 | OUTPUT: |
412 | RETVAL |
413 | |
414 | SV* |
415 | namespace(self) |
416 | SV *self |
3496f1e8 |
417 | PREINIT: |
26f802f7 |
418 | HE *slot; |
7c3b261c |
419 | SV *package_name; |
194acf47 |
420 | CODE: |
421 | if (!sv_isobject(self)) |
422 | croak("Can't call namespace as a class method"); |
7c3b261c |
423 | #if PERL_VERSION < 10 |
424 | package_name = _get_name(self); |
425 | RETVAL = newRV_inc((SV*)gv_stashpv(SvPV_nolen(package_name), GV_ADD)); |
426 | #else |
26f802f7 |
427 | slot = hv_fetch_ent((HV*)SvRV(self), namespace_key, 0, namespace_hash); |
31263168 |
428 | if (slot) { |
429 | RETVAL = SvREFCNT_inc_simple_NN(HeVAL(slot)); |
430 | } |
431 | else { |
432 | HV *namespace; |
7c3b261c |
433 | SV *nsref; |
31263168 |
434 | |
435 | package_name = _get_name(self); |
436 | namespace = gv_stashpv(SvPV_nolen(package_name), GV_ADD); |
437 | nsref = newRV_inc((SV*)namespace); |
438 | sv_rvweaken(nsref); |
439 | if (!hv_store((HV*)SvRV(self), "namespace", 9, nsref, 0)) { |
440 | SvREFCNT_dec(nsref); |
441 | SvREFCNT_dec(self); |
442 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
443 | } |
444 | RETVAL = SvREFCNT_inc_simple_NN(nsref); |
445 | } |
7c3b261c |
446 | #endif |
194acf47 |
447 | OUTPUT: |
448 | RETVAL |
3fd56b4d |
449 | |
450 | void |
15c104e2 |
451 | add_symbol(self, variable, initial=NULL, ...) |
76f7c306 |
452 | SV *self |
453 | varspec_t variable |
454 | SV *initial |
455 | PREINIT: |
456 | SV *name; |
457 | GV *glob; |
458 | CODE: |
459 | if (initial && !_valid_for_type(initial, variable.type)) |
460 | croak("%s is not of type %s", |
461 | SvPV_nolen(initial), vartype_to_string(variable.type)); |
462 | |
463 | name = newSVsv(_get_name(self)); |
464 | sv_catpvs(name, "::"); |
4849f4fc |
465 | sv_catsv(name, variable.name); |
76f7c306 |
466 | |
76f7c306 |
467 | if (items > 2 && (PL_perldb & 0x10) && variable.type == VAR_CODE) { |
468 | int i; |
4849f4fc |
469 | char *filename = NULL; |
d1d0e437 |
470 | I32 first_line_num = -1, last_line_num = -1; |
d1d0e437 |
471 | SV *dbval; |
472 | HV *dbsub; |
76f7c306 |
473 | |
474 | if ((items - 3) % 2) |
15c104e2 |
475 | croak("add_symbol: Odd number of elements in %%opts"); |
76f7c306 |
476 | |
477 | for (i = 3; i < items; i += 2) { |
478 | char *key; |
479 | key = SvPV_nolen(ST(i)); |
480 | if (strEQ(key, "filename")) { |
481 | if (!SvPOK(ST(i + 1))) |
15c104e2 |
482 | croak("add_symbol: filename must be a string"); |
76f7c306 |
483 | filename = SvPV_nolen(ST(i + 1)); |
484 | } |
485 | else if (strEQ(key, "first_line_num")) { |
486 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
487 | croak("add_symbol: first_line_num must be an integer"); |
76f7c306 |
488 | first_line_num = SvIV(ST(i + 1)); |
489 | } |
490 | else if (strEQ(key, "last_line_num")) { |
491 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
492 | croak("add_symbol: last_line_num must be an integer"); |
76f7c306 |
493 | last_line_num = SvIV(ST(i + 1)); |
494 | } |
495 | } |
496 | |
d1d0e437 |
497 | if (!filename || first_line_num == -1) { |
d1d0e437 |
498 | if (!filename) |
e0162997 |
499 | filename = CopFILE(PL_curcop); |
d1d0e437 |
500 | if (first_line_num == -1) |
e0162997 |
501 | first_line_num = PL_curcop->cop_line; |
d1d0e437 |
502 | } |
503 | |
504 | if (last_line_num == -1) |
505 | last_line_num = first_line_num; |
506 | |
507 | /* http://perldoc.perl.org/perldebguts.html#Debugger-Internals */ |
508 | dbsub = get_hv("DB::sub", 1); |
509 | dbval = newSVpvf("%s:%d-%d", filename, first_line_num, last_line_num); |
4849f4fc |
510 | if (!hv_store_ent(dbsub, name, dbval, 0)) { |
511 | warn("Failed to update $DB::sub for subroutine %s", |
512 | SvPV_nolen(name)); |
d1d0e437 |
513 | SvREFCNT_dec(dbval); |
76f7c306 |
514 | } |
515 | } |
76f7c306 |
516 | |
9aa6fe4f |
517 | /* GV_ADDMULTI rather than GV_ADD because otherwise you get 'used only |
518 | * once' warnings in some situations... i can't reproduce this, but CMOP |
519 | * triggers it */ |
fedea7f9 |
520 | glob = gv_fetchsv(name, GV_ADDMULTI, vartype_to_svtype(variable.type)); |
76f7c306 |
521 | |
522 | if (initial) { |
523 | SV *val; |
524 | |
525 | if (SvROK(initial)) { |
526 | val = SvRV(initial); |
a2fec41a |
527 | SvREFCNT_inc_simple_void_NN(val); |
76f7c306 |
528 | } |
529 | else { |
530 | val = newSVsv(initial); |
531 | } |
532 | |
533 | switch (variable.type) { |
534 | case VAR_SCALAR: |
d551a208 |
535 | GvSetSV(glob, val); |
76f7c306 |
536 | break; |
537 | case VAR_ARRAY: |
d551a208 |
538 | GvSetAV(glob, val); |
76f7c306 |
539 | break; |
540 | case VAR_HASH: |
d551a208 |
541 | GvSetHV(glob, val); |
76f7c306 |
542 | break; |
543 | case VAR_CODE: |
d551a208 |
544 | GvSetCV(glob, val); |
76f7c306 |
545 | break; |
546 | case VAR_IO: |
d551a208 |
547 | GvSetIO(glob, val); |
76f7c306 |
548 | break; |
549 | } |
550 | } |
551 | |
5bb2b07b |
552 | SvREFCNT_dec(name); |
553 | |
76f7c306 |
554 | void |
4849f4fc |
555 | remove_glob(self, name) |
3fd56b4d |
556 | SV *self |
4849f4fc |
557 | SV *name |
3fd56b4d |
558 | CODE: |
4849f4fc |
559 | hv_delete_ent(_get_namespace(self), name, G_DISCARD, 0); |
9b608466 |
560 | |
34805376 |
561 | int |
15c104e2 |
562 | has_symbol(self, variable) |
34805376 |
563 | SV *self |
564 | varspec_t variable |
565 | PREINIT: |
566 | HV *namespace; |
4849f4fc |
567 | HE *entry; |
568 | SV *val; |
34805376 |
569 | CODE: |
570 | namespace = _get_namespace(self); |
4849f4fc |
571 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
34805376 |
572 | if (!entry) |
573 | XSRETURN_UNDEF; |
574 | |
4849f4fc |
575 | val = HeVAL(entry); |
576 | if (isGV(val)) { |
577 | GV *glob = (GV*)val; |
34805376 |
578 | switch (variable.type) { |
579 | case VAR_SCALAR: |
d551a208 |
580 | RETVAL = GvSVOK(glob) ? 1 : 0; |
34805376 |
581 | break; |
582 | case VAR_ARRAY: |
d551a208 |
583 | RETVAL = GvAVOK(glob) ? 1 : 0; |
34805376 |
584 | break; |
585 | case VAR_HASH: |
d551a208 |
586 | RETVAL = GvHVOK(glob) ? 1 : 0; |
34805376 |
587 | break; |
588 | case VAR_CODE: |
d551a208 |
589 | RETVAL = GvCVOK(glob) ? 1 : 0; |
34805376 |
590 | break; |
591 | case VAR_IO: |
d551a208 |
592 | RETVAL = GvIOOK(glob) ? 1 : 0; |
34805376 |
593 | break; |
594 | } |
595 | } |
596 | else { |
597 | RETVAL = (variable.type == VAR_CODE); |
598 | } |
599 | OUTPUT: |
600 | RETVAL |
601 | |
e3ad44fd |
602 | SV* |
15c104e2 |
603 | get_symbol(self, variable) |
e3ad44fd |
604 | SV *self |
605 | varspec_t variable |
606 | PREINIT: |
fca4ed0c |
607 | SV *val; |
e3ad44fd |
608 | CODE: |
15c104e2 |
609 | val = _get_symbol(self, &variable, 0); |
4871b1a0 |
610 | if (!val) |
e3ad44fd |
611 | XSRETURN_UNDEF; |
93c36417 |
612 | RETVAL = newRV_inc(val); |
4871b1a0 |
613 | OUTPUT: |
614 | RETVAL |
e3ad44fd |
615 | |
4871b1a0 |
616 | SV* |
15c104e2 |
617 | get_or_add_symbol(self, variable) |
4871b1a0 |
618 | SV *self |
619 | varspec_t variable |
620 | PREINIT: |
621 | SV *val; |
622 | CODE: |
15c104e2 |
623 | val = _get_symbol(self, &variable, 1); |
fca4ed0c |
624 | if (!val) |
625 | XSRETURN_UNDEF; |
93c36417 |
626 | RETVAL = newRV_inc(val); |
e3ad44fd |
627 | OUTPUT: |
628 | RETVAL |
629 | |
9b608466 |
630 | void |
15c104e2 |
631 | remove_symbol(self, variable) |
215f49f8 |
632 | SV *self |
633 | varspec_t variable |
634 | PREINIT: |
635 | HV *namespace; |
4849f4fc |
636 | HE *entry; |
637 | SV *val; |
215f49f8 |
638 | CODE: |
639 | namespace = _get_namespace(self); |
4849f4fc |
640 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
215f49f8 |
641 | if (!entry) |
642 | XSRETURN_EMPTY; |
643 | |
4849f4fc |
644 | val = HeVAL(entry); |
645 | if (isGV(val)) { |
646 | GV *glob = (GV*)val; |
215f49f8 |
647 | switch (variable.type) { |
648 | case VAR_SCALAR: |
d551a208 |
649 | GvSetSV(glob, NULL); |
215f49f8 |
650 | break; |
651 | case VAR_ARRAY: |
d551a208 |
652 | GvSetAV(glob, NULL); |
215f49f8 |
653 | break; |
654 | case VAR_HASH: |
d551a208 |
655 | GvSetHV(glob, NULL); |
215f49f8 |
656 | break; |
657 | case VAR_CODE: |
d551a208 |
658 | GvSetCV(glob, NULL); |
215f49f8 |
659 | break; |
660 | case VAR_IO: |
d551a208 |
661 | GvSetIO(glob, NULL); |
215f49f8 |
662 | break; |
663 | } |
664 | } |
665 | else { |
666 | if (variable.type == VAR_CODE) { |
4849f4fc |
667 | hv_delete_ent(namespace, variable.name, G_DISCARD, 0); |
215f49f8 |
668 | } |
669 | } |
670 | |
671 | void |
15c104e2 |
672 | list_all_symbols(self, vartype=VAR_NONE) |
9b608466 |
673 | SV *self |
674 | vartype_t vartype |
675 | PPCODE: |
676 | if (vartype == VAR_NONE) { |
677 | HV *namespace; |
678 | HE *entry; |
679 | int keys; |
680 | |
681 | namespace = _get_namespace(self); |
682 | keys = hv_iterinit(namespace); |
683 | EXTEND(SP, keys); |
ebcc8ba8 |
684 | while ((entry = hv_iternext(namespace))) { |
13f8a7b7 |
685 | mPUSHs(newSVhe(entry)); |
9b608466 |
686 | } |
687 | } |
688 | else { |
689 | HV *namespace; |
9b608466 |
690 | SV *val; |
691 | char *key; |
64b79211 |
692 | I32 len; |
9b608466 |
693 | |
694 | namespace = _get_namespace(self); |
695 | hv_iterinit(namespace); |
ebcc8ba8 |
696 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
9b608466 |
697 | GV *gv = (GV*)val; |
698 | if (isGV(gv)) { |
699 | switch (vartype) { |
700 | case VAR_SCALAR: |
d551a208 |
701 | if (GvSVOK(val)) |
9b608466 |
702 | mXPUSHp(key, len); |
703 | break; |
704 | case VAR_ARRAY: |
d551a208 |
705 | if (GvAVOK(val)) |
9b608466 |
706 | mXPUSHp(key, len); |
707 | break; |
708 | case VAR_HASH: |
d551a208 |
709 | if (GvHVOK(val)) |
9b608466 |
710 | mXPUSHp(key, len); |
711 | break; |
712 | case VAR_CODE: |
d551a208 |
713 | if (GvCVOK(val)) |
9b608466 |
714 | mXPUSHp(key, len); |
715 | break; |
716 | case VAR_IO: |
d551a208 |
717 | if (GvIOOK(val)) |
9b608466 |
718 | mXPUSHp(key, len); |
719 | break; |
720 | } |
721 | } |
722 | else if (vartype == VAR_CODE) { |
723 | mXPUSHp(key, len); |
724 | } |
725 | } |
726 | } |
26f802f7 |
727 | |
d2b55565 |
728 | void |
729 | get_all_symbols(self, vartype=VAR_NONE) |
730 | SV *self |
731 | vartype_t vartype |
732 | PREINIT: |
733 | HV *namespace, *ret; |
734 | SV *val; |
735 | char *key; |
736 | I32 len; |
737 | PPCODE: |
738 | namespace = _get_namespace(self); |
739 | ret = newHV(); |
740 | |
741 | hv_iterinit(namespace); |
742 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
743 | GV *gv = (GV*)val; |
744 | |
4849f4fc |
745 | if (!isGV(gv)) { |
746 | SV *keysv = newSVpvn(key, len); |
747 | _expand_glob(self, keysv); |
748 | SvREFCNT_dec(keysv); |
749 | } |
d2b55565 |
750 | |
751 | switch (vartype) { |
752 | case VAR_SCALAR: |
753 | if (GvSVOK(val)) |
754 | hv_store(ret, key, len, newRV_inc(GvSV(gv)), 0); |
755 | break; |
756 | case VAR_ARRAY: |
757 | if (GvAVOK(val)) |
758 | hv_store(ret, key, len, newRV_inc((SV*)GvAV(gv)), 0); |
759 | break; |
760 | case VAR_HASH: |
761 | if (GvHVOK(val)) |
762 | hv_store(ret, key, len, newRV_inc((SV*)GvHV(gv)), 0); |
763 | break; |
764 | case VAR_CODE: |
765 | if (GvCVOK(val)) |
766 | hv_store(ret, key, len, newRV_inc((SV*)GvCV(gv)), 0); |
767 | break; |
768 | case VAR_IO: |
769 | if (GvIOOK(val)) |
770 | hv_store(ret, key, len, newRV_inc((SV*)GvIO(gv)), 0); |
771 | break; |
772 | case VAR_NONE: |
773 | hv_store(ret, key, len, SvREFCNT_inc_simple_NN(val), 0); |
774 | break; |
775 | } |
776 | } |
777 | |
778 | mPUSHs(newRV_noinc((SV*)ret)); |
779 | |
26f802f7 |
780 | BOOT: |
781 | { |
782 | name_key = newSVpvs("name"); |
783 | PERL_HASH(name_hash, "name", 4); |
784 | |
785 | namespace_key = newSVpvs("namespace"); |
786 | PERL_HASH(namespace_hash, "namespace", 9); |
787 | |
788 | type_key = newSVpvs("type"); |
789 | PERL_HASH(type_hash, "type", 4); |
790 | } |