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; |
78daf8ed |
129 | static REGEXP *valid_module_regex; |
26f802f7 |
130 | |
bf460ff3 |
131 | static const char *vartype_to_string(vartype_t type) |
76f7c306 |
132 | { |
133 | switch (type) { |
134 | case VAR_SCALAR: |
135 | return "SCALAR"; |
136 | case VAR_ARRAY: |
137 | return "ARRAY"; |
138 | case VAR_HASH: |
139 | return "HASH"; |
140 | case VAR_CODE: |
141 | return "CODE"; |
142 | case VAR_IO: |
143 | return "IO"; |
144 | default: |
145 | return "unknown"; |
146 | } |
147 | } |
148 | |
bf460ff3 |
149 | static I32 vartype_to_svtype(vartype_t type) |
76f7c306 |
150 | { |
151 | switch (type) { |
152 | case VAR_SCALAR: |
153 | return SVt_PV; /* or whatever */ |
154 | case VAR_ARRAY: |
155 | return SVt_PVAV; |
156 | case VAR_HASH: |
157 | return SVt_PVHV; |
158 | case VAR_CODE: |
159 | return SVt_PVCV; |
160 | case VAR_IO: |
161 | return SVt_PVIO; |
162 | default: |
163 | return SVt_NULL; |
164 | } |
165 | } |
166 | |
bf460ff3 |
167 | static vartype_t string_to_vartype(char *vartype) |
a382a84b |
168 | { |
169 | if (strEQ(vartype, "SCALAR")) { |
170 | return VAR_SCALAR; |
171 | } |
172 | else if (strEQ(vartype, "ARRAY")) { |
173 | return VAR_ARRAY; |
174 | } |
175 | else if (strEQ(vartype, "HASH")) { |
176 | return VAR_HASH; |
177 | } |
178 | else if (strEQ(vartype, "CODE")) { |
179 | return VAR_CODE; |
180 | } |
181 | else if (strEQ(vartype, "IO")) { |
182 | return VAR_IO; |
183 | } |
184 | else { |
f88deb66 |
185 | croak("Type must be one of 'SCALAR', 'ARRAY', 'HASH', 'CODE', or 'IO', not '%s'", vartype); |
a382a84b |
186 | } |
187 | } |
188 | |
78daf8ed |
189 | static int _is_valid_module_name(SV *package) |
190 | { |
191 | char *buf; |
192 | STRLEN len; |
193 | SV *sv; |
194 | |
195 | buf = SvPV(package, len); |
196 | |
197 | /* whee cargo cult */ |
198 | sv = sv_newmortal(); |
199 | sv_upgrade(sv, SVt_PV); |
200 | SvREADONLY_on(sv); |
201 | SvLEN(sv) = 0; |
202 | SvUTF8_on(sv); |
203 | SvPVX(sv) = buf; |
204 | SvCUR_set(sv, len); |
205 | SvPOK_on(sv); |
206 | |
207 | return pregexec(valid_module_regex, buf, buf + len, buf, 1, sv, 1); |
208 | } |
209 | |
bf460ff3 |
210 | static void _deconstruct_variable_name(SV *variable, varspec_t *varspec) |
a382a84b |
211 | { |
4849f4fc |
212 | char *varpv; |
a382a84b |
213 | |
4849f4fc |
214 | if (!SvCUR(variable)) |
64b79211 |
215 | croak("You must pass a variable name"); |
a382a84b |
216 | |
4849f4fc |
217 | varspec->name = sv_2mortal(newSVsv(variable)); |
218 | |
219 | varpv = SvPV_nolen(varspec->name); |
220 | switch (varpv[0]) { |
a382a84b |
221 | case '$': |
222 | varspec->type = VAR_SCALAR; |
4849f4fc |
223 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
224 | break; |
225 | case '@': |
226 | varspec->type = VAR_ARRAY; |
4849f4fc |
227 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
228 | break; |
229 | case '%': |
230 | varspec->type = VAR_HASH; |
4849f4fc |
231 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
232 | break; |
233 | case '&': |
234 | varspec->type = VAR_CODE; |
4849f4fc |
235 | sv_chop(varspec->name, &varpv[1]); |
64b79211 |
236 | break; |
237 | default: |
a382a84b |
238 | varspec->type = VAR_IO; |
64b79211 |
239 | break; |
a382a84b |
240 | } |
241 | } |
242 | |
bf460ff3 |
243 | static void _deconstruct_variable_hash(HV *variable, varspec_t *varspec) |
a382a84b |
244 | { |
26f802f7 |
245 | HE *val; |
a382a84b |
246 | |
26f802f7 |
247 | val = hv_fetch_ent(variable, name_key, 0, name_hash); |
a382a84b |
248 | if (!val) |
249 | croak("The 'name' key is required in variable specs"); |
250 | |
061b471e |
251 | varspec->name = sv_2mortal(newSVsv(HeVAL(val))); |
a382a84b |
252 | |
26f802f7 |
253 | val = hv_fetch_ent(variable, type_key, 0, type_hash); |
a382a84b |
254 | if (!val) |
255 | croak("The 'type' key is required in variable specs"); |
256 | |
061b471e |
257 | varspec->type = string_to_vartype(SvPV_nolen(HeVAL(val))); |
a382a84b |
258 | } |
259 | |
1ff84a32 |
260 | static void _check_varspec_is_valid(varspec_t *varspec) |
261 | { |
262 | if (strstr(SvPV_nolen(varspec->name), "::")) { |
263 | croak("Variable names may not contain ::"); |
264 | } |
265 | } |
266 | |
bf460ff3 |
267 | static int _valid_for_type(SV *value, vartype_t type) |
a382a84b |
268 | { |
269 | svtype sv_type = SvROK(value) ? SvTYPE(SvRV(value)) : SVt_NULL; |
270 | |
271 | switch (type) { |
272 | case VAR_SCALAR: |
5a4d63bd |
273 | /* XXX is a glob a scalar? assigning a glob to the scalar slot seems |
274 | * to work here, but in pure perl i'm pretty sure it goes to the EGV |
275 | * slot, which seems more correct to me. just disable it for now |
276 | * i guess */ |
277 | return SVT_SCALAR(sv_type) && sv_type != SVt_PVGV; |
a382a84b |
278 | case VAR_ARRAY: |
a829b7a6 |
279 | return SVT_ARRAY(sv_type); |
a382a84b |
280 | case VAR_HASH: |
a829b7a6 |
281 | return SVT_HASH(sv_type); |
a382a84b |
282 | case VAR_CODE: |
a829b7a6 |
283 | return SVT_CODE(sv_type); |
a382a84b |
284 | case VAR_IO: |
a829b7a6 |
285 | return SVT_IO(sv_type); |
a382a84b |
286 | default: |
287 | return 0; |
288 | } |
289 | } |
290 | |
bf460ff3 |
291 | static HV *_get_namespace(SV *self) |
3fd56b4d |
292 | { |
293 | dSP; |
294 | SV *ret; |
295 | |
296 | PUSHMARK(SP); |
297 | XPUSHs(self); |
298 | PUTBACK; |
299 | |
612dcf3b |
300 | call_method("namespace", G_SCALAR); |
3fd56b4d |
301 | |
302 | SPAGAIN; |
303 | ret = POPs; |
304 | PUTBACK; |
305 | |
306 | return (HV*)SvRV(ret); |
307 | } |
308 | |
bf460ff3 |
309 | static SV *_get_name(SV *self) |
76f7c306 |
310 | { |
311 | dSP; |
312 | SV *ret; |
313 | |
314 | PUSHMARK(SP); |
315 | XPUSHs(self); |
316 | PUTBACK; |
317 | |
612dcf3b |
318 | call_method("name", G_SCALAR); |
76f7c306 |
319 | |
320 | SPAGAIN; |
321 | ret = POPs; |
322 | PUTBACK; |
323 | |
324 | return ret; |
325 | } |
326 | |
bf460ff3 |
327 | static void _expand_glob(SV *self, SV *varname) |
60b395a1 |
328 | { |
4849f4fc |
329 | SV *name; |
60b395a1 |
330 | |
4849f4fc |
331 | name = newSVsv(_get_name(self)); |
332 | sv_catpvs(name, "::"); |
333 | sv_catsv(name, varname); |
60b395a1 |
334 | |
335 | /* can't use gv_init here, because it screws up @ISA in a way that I |
336 | * can't reproduce, but that CMOP triggers */ |
4849f4fc |
337 | gv_fetchsv(name, GV_ADD, SVt_NULL); |
338 | SvREFCNT_dec(name); |
60b395a1 |
339 | } |
340 | |
bf460ff3 |
341 | static SV *_get_symbol(SV *self, varspec_t *variable, int vivify) |
4871b1a0 |
342 | { |
343 | HV *namespace; |
4849f4fc |
344 | HE *entry; |
4871b1a0 |
345 | GV *glob; |
346 | |
347 | namespace = _get_namespace(self); |
4849f4fc |
348 | entry = hv_fetch_ent(namespace, variable->name, vivify, 0); |
4871b1a0 |
349 | if (!entry) |
350 | return NULL; |
351 | |
4849f4fc |
352 | glob = (GV*)(HeVAL(entry)); |
60b395a1 |
353 | if (!isGV(glob)) |
354 | _expand_glob(self, variable->name); |
4871b1a0 |
355 | |
356 | if (vivify) { |
357 | switch (variable->type) { |
358 | case VAR_SCALAR: |
d551a208 |
359 | if (!GvSVOK(glob)) |
360 | GvSetSV(glob, newSV(0)); |
4871b1a0 |
361 | break; |
362 | case VAR_ARRAY: |
d551a208 |
363 | if (!GvAVOK(glob)) |
364 | GvSetAV(glob, newAV()); |
4871b1a0 |
365 | break; |
366 | case VAR_HASH: |
d551a208 |
367 | if (!GvHVOK(glob)) |
368 | GvSetHV(glob, newHV()); |
4871b1a0 |
369 | break; |
370 | case VAR_CODE: |
371 | croak("Don't know how to vivify CODE variables"); |
372 | case VAR_IO: |
d551a208 |
373 | if (!GvIOOK(glob)) |
374 | GvSetIO(glob, newIO()); |
4871b1a0 |
375 | break; |
376 | default: |
377 | croak("Unknown type in vivication"); |
378 | } |
379 | } |
380 | |
381 | switch (variable->type) { |
382 | case VAR_SCALAR: |
383 | return GvSV(glob); |
384 | case VAR_ARRAY: |
385 | return (SV*)GvAV(glob); |
386 | case VAR_HASH: |
387 | return (SV*)GvHV(glob); |
388 | case VAR_CODE: |
389 | return (SV*)GvCV(glob); |
390 | case VAR_IO: |
391 | return (SV*)GvIO(glob); |
392 | default: |
393 | return NULL; |
394 | } |
395 | } |
396 | |
c53d2df2 |
397 | MODULE = Package::Stash::XS PACKAGE = Package::Stash::XS |
59017825 |
398 | |
be2a7e99 |
399 | PROTOTYPES: DISABLE |
400 | |
59017825 |
401 | SV* |
8860963a |
402 | new(class, package) |
4849f4fc |
403 | SV *class |
8860963a |
404 | SV *package |
3496f1e8 |
405 | PREINIT: |
59017825 |
406 | HV *instance; |
59017825 |
407 | CODE: |
8860963a |
408 | if (SvPOK(package)) { |
409 | if (!_is_valid_module_name(package)) |
410 | croak("%s is not a module name", SvPV_nolen(package)); |
59017825 |
411 | |
8860963a |
412 | instance = newHV(); |
78daf8ed |
413 | |
8860963a |
414 | if (!hv_store(instance, "name", 4, SvREFCNT_inc_simple_NN(package), 0)) { |
415 | SvREFCNT_dec(package); |
416 | SvREFCNT_dec(instance); |
417 | croak("Couldn't initialize the 'name' key, hv_store failed"); |
418 | } |
419 | } |
420 | else if (SvROK(package) && SvTYPE(SvRV(package)) == SVt_PVHV) { |
421 | instance = newHV(); |
59017825 |
422 | |
8860963a |
423 | if (!hv_store(instance, "namespace", 9, SvREFCNT_inc_simple_NN(package), 0)) { |
424 | SvREFCNT_dec(package); |
425 | SvREFCNT_dec(instance); |
426 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
427 | } |
428 | } |
429 | else { |
430 | croak("Package::Stash->new must be passed the name of the package to access"); |
1d6c978b |
431 | } |
59017825 |
432 | |
4849f4fc |
433 | RETVAL = sv_bless(newRV_noinc((SV*)instance), gv_stashsv(class, 0)); |
59017825 |
434 | OUTPUT: |
435 | RETVAL |
194acf47 |
436 | |
437 | SV* |
438 | name(self) |
439 | SV *self |
3496f1e8 |
440 | PREINIT: |
26f802f7 |
441 | HE *slot; |
194acf47 |
442 | CODE: |
443 | if (!sv_isobject(self)) |
444 | croak("Can't call name as a class method"); |
8860963a |
445 | if (slot = hv_fetch_ent((HV*)SvRV(self), name_key, 0, name_hash)) { |
446 | RETVAL = SvREFCNT_inc_simple_NN(HeVAL(slot)); |
447 | } |
448 | else { |
449 | croak("Can't get the name of an anonymous package"); |
450 | } |
194acf47 |
451 | OUTPUT: |
452 | RETVAL |
453 | |
454 | SV* |
455 | namespace(self) |
456 | SV *self |
3496f1e8 |
457 | PREINIT: |
26f802f7 |
458 | HE *slot; |
7c3b261c |
459 | SV *package_name; |
194acf47 |
460 | CODE: |
461 | if (!sv_isobject(self)) |
462 | croak("Can't call namespace as a class method"); |
7c3b261c |
463 | #if PERL_VERSION < 10 |
464 | package_name = _get_name(self); |
465 | RETVAL = newRV_inc((SV*)gv_stashpv(SvPV_nolen(package_name), GV_ADD)); |
466 | #else |
26f802f7 |
467 | slot = hv_fetch_ent((HV*)SvRV(self), namespace_key, 0, namespace_hash); |
31263168 |
468 | if (slot) { |
469 | RETVAL = SvREFCNT_inc_simple_NN(HeVAL(slot)); |
470 | } |
471 | else { |
472 | HV *namespace; |
7c3b261c |
473 | SV *nsref; |
31263168 |
474 | |
475 | package_name = _get_name(self); |
476 | namespace = gv_stashpv(SvPV_nolen(package_name), GV_ADD); |
477 | nsref = newRV_inc((SV*)namespace); |
478 | sv_rvweaken(nsref); |
479 | if (!hv_store((HV*)SvRV(self), "namespace", 9, nsref, 0)) { |
480 | SvREFCNT_dec(nsref); |
481 | SvREFCNT_dec(self); |
482 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
483 | } |
484 | RETVAL = SvREFCNT_inc_simple_NN(nsref); |
485 | } |
7c3b261c |
486 | #endif |
194acf47 |
487 | OUTPUT: |
488 | RETVAL |
3fd56b4d |
489 | |
490 | void |
15c104e2 |
491 | add_symbol(self, variable, initial=NULL, ...) |
76f7c306 |
492 | SV *self |
493 | varspec_t variable |
494 | SV *initial |
495 | PREINIT: |
496 | SV *name; |
497 | GV *glob; |
498 | CODE: |
499 | if (initial && !_valid_for_type(initial, variable.type)) |
500 | croak("%s is not of type %s", |
501 | SvPV_nolen(initial), vartype_to_string(variable.type)); |
502 | |
503 | name = newSVsv(_get_name(self)); |
504 | sv_catpvs(name, "::"); |
4849f4fc |
505 | sv_catsv(name, variable.name); |
76f7c306 |
506 | |
76f7c306 |
507 | if (items > 2 && (PL_perldb & 0x10) && variable.type == VAR_CODE) { |
508 | int i; |
4849f4fc |
509 | char *filename = NULL; |
d1d0e437 |
510 | I32 first_line_num = -1, last_line_num = -1; |
d1d0e437 |
511 | SV *dbval; |
512 | HV *dbsub; |
76f7c306 |
513 | |
514 | if ((items - 3) % 2) |
15c104e2 |
515 | croak("add_symbol: Odd number of elements in %%opts"); |
76f7c306 |
516 | |
517 | for (i = 3; i < items; i += 2) { |
518 | char *key; |
519 | key = SvPV_nolen(ST(i)); |
520 | if (strEQ(key, "filename")) { |
521 | if (!SvPOK(ST(i + 1))) |
15c104e2 |
522 | croak("add_symbol: filename must be a string"); |
76f7c306 |
523 | filename = SvPV_nolen(ST(i + 1)); |
524 | } |
525 | else if (strEQ(key, "first_line_num")) { |
526 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
527 | croak("add_symbol: first_line_num must be an integer"); |
76f7c306 |
528 | first_line_num = SvIV(ST(i + 1)); |
529 | } |
530 | else if (strEQ(key, "last_line_num")) { |
531 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
532 | croak("add_symbol: last_line_num must be an integer"); |
76f7c306 |
533 | last_line_num = SvIV(ST(i + 1)); |
534 | } |
535 | } |
536 | |
d1d0e437 |
537 | if (!filename || first_line_num == -1) { |
d1d0e437 |
538 | if (!filename) |
e0162997 |
539 | filename = CopFILE(PL_curcop); |
d1d0e437 |
540 | if (first_line_num == -1) |
e0162997 |
541 | first_line_num = PL_curcop->cop_line; |
d1d0e437 |
542 | } |
543 | |
544 | if (last_line_num == -1) |
545 | last_line_num = first_line_num; |
546 | |
547 | /* http://perldoc.perl.org/perldebguts.html#Debugger-Internals */ |
548 | dbsub = get_hv("DB::sub", 1); |
549 | dbval = newSVpvf("%s:%d-%d", filename, first_line_num, last_line_num); |
4849f4fc |
550 | if (!hv_store_ent(dbsub, name, dbval, 0)) { |
551 | warn("Failed to update $DB::sub for subroutine %s", |
552 | SvPV_nolen(name)); |
d1d0e437 |
553 | SvREFCNT_dec(dbval); |
76f7c306 |
554 | } |
555 | } |
76f7c306 |
556 | |
9aa6fe4f |
557 | /* GV_ADDMULTI rather than GV_ADD because otherwise you get 'used only |
558 | * once' warnings in some situations... i can't reproduce this, but CMOP |
559 | * triggers it */ |
fedea7f9 |
560 | glob = gv_fetchsv(name, GV_ADDMULTI, vartype_to_svtype(variable.type)); |
76f7c306 |
561 | |
562 | if (initial) { |
563 | SV *val; |
564 | |
565 | if (SvROK(initial)) { |
566 | val = SvRV(initial); |
a2fec41a |
567 | SvREFCNT_inc_simple_void_NN(val); |
76f7c306 |
568 | } |
569 | else { |
570 | val = newSVsv(initial); |
571 | } |
572 | |
573 | switch (variable.type) { |
574 | case VAR_SCALAR: |
d551a208 |
575 | GvSetSV(glob, val); |
76f7c306 |
576 | break; |
577 | case VAR_ARRAY: |
d551a208 |
578 | GvSetAV(glob, val); |
76f7c306 |
579 | break; |
580 | case VAR_HASH: |
d551a208 |
581 | GvSetHV(glob, val); |
76f7c306 |
582 | break; |
583 | case VAR_CODE: |
d551a208 |
584 | GvSetCV(glob, val); |
76f7c306 |
585 | break; |
586 | case VAR_IO: |
d551a208 |
587 | GvSetIO(glob, val); |
76f7c306 |
588 | break; |
589 | } |
590 | } |
591 | |
5bb2b07b |
592 | SvREFCNT_dec(name); |
593 | |
76f7c306 |
594 | void |
4849f4fc |
595 | remove_glob(self, name) |
3fd56b4d |
596 | SV *self |
4849f4fc |
597 | SV *name |
3fd56b4d |
598 | CODE: |
4849f4fc |
599 | hv_delete_ent(_get_namespace(self), name, G_DISCARD, 0); |
9b608466 |
600 | |
34805376 |
601 | int |
15c104e2 |
602 | has_symbol(self, variable) |
34805376 |
603 | SV *self |
604 | varspec_t variable |
605 | PREINIT: |
606 | HV *namespace; |
4849f4fc |
607 | HE *entry; |
608 | SV *val; |
34805376 |
609 | CODE: |
610 | namespace = _get_namespace(self); |
4849f4fc |
611 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
34805376 |
612 | if (!entry) |
613 | XSRETURN_UNDEF; |
614 | |
4849f4fc |
615 | val = HeVAL(entry); |
616 | if (isGV(val)) { |
617 | GV *glob = (GV*)val; |
34805376 |
618 | switch (variable.type) { |
619 | case VAR_SCALAR: |
d551a208 |
620 | RETVAL = GvSVOK(glob) ? 1 : 0; |
34805376 |
621 | break; |
622 | case VAR_ARRAY: |
d551a208 |
623 | RETVAL = GvAVOK(glob) ? 1 : 0; |
34805376 |
624 | break; |
625 | case VAR_HASH: |
d551a208 |
626 | RETVAL = GvHVOK(glob) ? 1 : 0; |
34805376 |
627 | break; |
628 | case VAR_CODE: |
d551a208 |
629 | RETVAL = GvCVOK(glob) ? 1 : 0; |
34805376 |
630 | break; |
631 | case VAR_IO: |
d551a208 |
632 | RETVAL = GvIOOK(glob) ? 1 : 0; |
34805376 |
633 | break; |
634 | } |
635 | } |
636 | else { |
637 | RETVAL = (variable.type == VAR_CODE); |
638 | } |
639 | OUTPUT: |
640 | RETVAL |
641 | |
e3ad44fd |
642 | SV* |
15c104e2 |
643 | get_symbol(self, variable) |
e3ad44fd |
644 | SV *self |
645 | varspec_t variable |
646 | PREINIT: |
fca4ed0c |
647 | SV *val; |
e3ad44fd |
648 | CODE: |
15c104e2 |
649 | val = _get_symbol(self, &variable, 0); |
4871b1a0 |
650 | if (!val) |
e3ad44fd |
651 | XSRETURN_UNDEF; |
93c36417 |
652 | RETVAL = newRV_inc(val); |
4871b1a0 |
653 | OUTPUT: |
654 | RETVAL |
e3ad44fd |
655 | |
4871b1a0 |
656 | SV* |
15c104e2 |
657 | get_or_add_symbol(self, variable) |
4871b1a0 |
658 | SV *self |
659 | varspec_t variable |
660 | PREINIT: |
661 | SV *val; |
662 | CODE: |
15c104e2 |
663 | val = _get_symbol(self, &variable, 1); |
fca4ed0c |
664 | if (!val) |
665 | XSRETURN_UNDEF; |
93c36417 |
666 | RETVAL = newRV_inc(val); |
e3ad44fd |
667 | OUTPUT: |
668 | RETVAL |
669 | |
9b608466 |
670 | void |
15c104e2 |
671 | remove_symbol(self, variable) |
215f49f8 |
672 | SV *self |
673 | varspec_t variable |
674 | PREINIT: |
675 | HV *namespace; |
4849f4fc |
676 | HE *entry; |
677 | SV *val; |
215f49f8 |
678 | CODE: |
679 | namespace = _get_namespace(self); |
4849f4fc |
680 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
215f49f8 |
681 | if (!entry) |
682 | XSRETURN_EMPTY; |
683 | |
4849f4fc |
684 | val = HeVAL(entry); |
685 | if (isGV(val)) { |
686 | GV *glob = (GV*)val; |
215f49f8 |
687 | switch (variable.type) { |
688 | case VAR_SCALAR: |
d551a208 |
689 | GvSetSV(glob, NULL); |
215f49f8 |
690 | break; |
691 | case VAR_ARRAY: |
d551a208 |
692 | GvSetAV(glob, NULL); |
215f49f8 |
693 | break; |
694 | case VAR_HASH: |
d551a208 |
695 | GvSetHV(glob, NULL); |
215f49f8 |
696 | break; |
697 | case VAR_CODE: |
d551a208 |
698 | GvSetCV(glob, NULL); |
215f49f8 |
699 | break; |
700 | case VAR_IO: |
d551a208 |
701 | GvSetIO(glob, NULL); |
215f49f8 |
702 | break; |
703 | } |
704 | } |
705 | else { |
706 | if (variable.type == VAR_CODE) { |
4849f4fc |
707 | hv_delete_ent(namespace, variable.name, G_DISCARD, 0); |
215f49f8 |
708 | } |
709 | } |
710 | |
711 | void |
15c104e2 |
712 | list_all_symbols(self, vartype=VAR_NONE) |
9b608466 |
713 | SV *self |
714 | vartype_t vartype |
715 | PPCODE: |
716 | if (vartype == VAR_NONE) { |
717 | HV *namespace; |
718 | HE *entry; |
719 | int keys; |
720 | |
721 | namespace = _get_namespace(self); |
722 | keys = hv_iterinit(namespace); |
723 | EXTEND(SP, keys); |
ebcc8ba8 |
724 | while ((entry = hv_iternext(namespace))) { |
13f8a7b7 |
725 | mPUSHs(newSVhe(entry)); |
9b608466 |
726 | } |
727 | } |
728 | else { |
729 | HV *namespace; |
9b608466 |
730 | SV *val; |
731 | char *key; |
64b79211 |
732 | I32 len; |
9b608466 |
733 | |
734 | namespace = _get_namespace(self); |
735 | hv_iterinit(namespace); |
ebcc8ba8 |
736 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
9b608466 |
737 | GV *gv = (GV*)val; |
738 | if (isGV(gv)) { |
739 | switch (vartype) { |
740 | case VAR_SCALAR: |
d551a208 |
741 | if (GvSVOK(val)) |
9b608466 |
742 | mXPUSHp(key, len); |
743 | break; |
744 | case VAR_ARRAY: |
d551a208 |
745 | if (GvAVOK(val)) |
9b608466 |
746 | mXPUSHp(key, len); |
747 | break; |
748 | case VAR_HASH: |
d551a208 |
749 | if (GvHVOK(val)) |
9b608466 |
750 | mXPUSHp(key, len); |
751 | break; |
752 | case VAR_CODE: |
d551a208 |
753 | if (GvCVOK(val)) |
9b608466 |
754 | mXPUSHp(key, len); |
755 | break; |
756 | case VAR_IO: |
d551a208 |
757 | if (GvIOOK(val)) |
9b608466 |
758 | mXPUSHp(key, len); |
759 | break; |
760 | } |
761 | } |
762 | else if (vartype == VAR_CODE) { |
763 | mXPUSHp(key, len); |
764 | } |
765 | } |
766 | } |
26f802f7 |
767 | |
d2b55565 |
768 | void |
769 | get_all_symbols(self, vartype=VAR_NONE) |
770 | SV *self |
771 | vartype_t vartype |
772 | PREINIT: |
773 | HV *namespace, *ret; |
774 | SV *val; |
775 | char *key; |
776 | I32 len; |
777 | PPCODE: |
778 | namespace = _get_namespace(self); |
779 | ret = newHV(); |
780 | |
781 | hv_iterinit(namespace); |
782 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
783 | GV *gv = (GV*)val; |
784 | |
4849f4fc |
785 | if (!isGV(gv)) { |
786 | SV *keysv = newSVpvn(key, len); |
787 | _expand_glob(self, keysv); |
788 | SvREFCNT_dec(keysv); |
789 | } |
d2b55565 |
790 | |
791 | switch (vartype) { |
792 | case VAR_SCALAR: |
793 | if (GvSVOK(val)) |
794 | hv_store(ret, key, len, newRV_inc(GvSV(gv)), 0); |
795 | break; |
796 | case VAR_ARRAY: |
797 | if (GvAVOK(val)) |
798 | hv_store(ret, key, len, newRV_inc((SV*)GvAV(gv)), 0); |
799 | break; |
800 | case VAR_HASH: |
801 | if (GvHVOK(val)) |
802 | hv_store(ret, key, len, newRV_inc((SV*)GvHV(gv)), 0); |
803 | break; |
804 | case VAR_CODE: |
805 | if (GvCVOK(val)) |
806 | hv_store(ret, key, len, newRV_inc((SV*)GvCV(gv)), 0); |
807 | break; |
808 | case VAR_IO: |
809 | if (GvIOOK(val)) |
810 | hv_store(ret, key, len, newRV_inc((SV*)GvIO(gv)), 0); |
811 | break; |
812 | case VAR_NONE: |
813 | hv_store(ret, key, len, SvREFCNT_inc_simple_NN(val), 0); |
814 | break; |
815 | } |
816 | } |
817 | |
818 | mPUSHs(newRV_noinc((SV*)ret)); |
819 | |
26f802f7 |
820 | BOOT: |
821 | { |
e1b6c960 |
822 | const char *vmre = "\\A[0-9A-Z_a-z]+(?:::[0-9A-Z_a-z]+)*\\z"; |
823 | #if (PERL_VERSION < 9) || ((PERL_VERSION == 9) && (PERL_SUBVERSION < 5)) |
824 | PMOP fakepmop; |
825 | |
826 | fakepmop.op_pmflags = 0; |
827 | valid_module_regex = pregcomp(vmre, vmre + strlen(vmre), &fakepmop); |
828 | #else |
78daf8ed |
829 | SV *re; |
830 | |
e1b6c960 |
831 | re = newSVpv(vmre, 0); |
78daf8ed |
832 | valid_module_regex = pregcomp(re, 0); |
e1b6c960 |
833 | #endif |
78daf8ed |
834 | |
26f802f7 |
835 | name_key = newSVpvs("name"); |
836 | PERL_HASH(name_hash, "name", 4); |
837 | |
838 | namespace_key = newSVpvs("namespace"); |
839 | PERL_HASH(namespace_hash, "namespace", 9); |
840 | |
841 | type_key = newSVpvs("type"); |
842 | PERL_HASH(type_hash, "type", 4); |
843 | } |