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)); \ |
2d533eaf |
99 | if ((GvCV_set(g, (CV*)(v)))) { \ |
d551a208 |
100 | GvIMPORTED_CV_on(g); \ |
101 | GvASSUMECV_on(g); \ |
102 | } \ |
103 | GvCVGEN(g) = 0; \ |
4eb02ba6 |
104 | if (HvENAME_get(GvSTASH(g))) \ |
105 | mro_method_changed_in(GvSTASH(g)); \ |
d551a208 |
106 | } while (0) |
107 | #define GvSetIO(g,v) do { \ |
108 | SvREFCNT_dec(GvIO(g)); \ |
109 | GvIOp(g) = (IO*)(v); \ |
110 | } while (0) |
111 | |
a382a84b |
112 | typedef enum { |
113 | VAR_NONE = 0, |
114 | VAR_SCALAR, |
115 | VAR_ARRAY, |
116 | VAR_HASH, |
117 | VAR_CODE, |
118 | VAR_IO, |
119 | VAR_GLOB, /* TODO: unimplemented */ |
120 | VAR_FORMAT /* TODO: unimplemented */ |
121 | } vartype_t; |
122 | |
123 | typedef struct { |
124 | vartype_t type; |
4849f4fc |
125 | SV *name; |
a382a84b |
126 | } varspec_t; |
127 | |
26f802f7 |
128 | static U32 name_hash, namespace_hash, type_hash; |
129 | static SV *name_key, *namespace_key, *type_key; |
78daf8ed |
130 | static REGEXP *valid_module_regex; |
26f802f7 |
131 | |
bf460ff3 |
132 | static const char *vartype_to_string(vartype_t type) |
76f7c306 |
133 | { |
134 | switch (type) { |
135 | case VAR_SCALAR: |
136 | return "SCALAR"; |
137 | case VAR_ARRAY: |
138 | return "ARRAY"; |
139 | case VAR_HASH: |
140 | return "HASH"; |
141 | case VAR_CODE: |
142 | return "CODE"; |
143 | case VAR_IO: |
144 | return "IO"; |
145 | default: |
146 | return "unknown"; |
147 | } |
148 | } |
149 | |
bf460ff3 |
150 | static I32 vartype_to_svtype(vartype_t type) |
76f7c306 |
151 | { |
152 | switch (type) { |
153 | case VAR_SCALAR: |
154 | return SVt_PV; /* or whatever */ |
155 | case VAR_ARRAY: |
156 | return SVt_PVAV; |
157 | case VAR_HASH: |
158 | return SVt_PVHV; |
159 | case VAR_CODE: |
160 | return SVt_PVCV; |
161 | case VAR_IO: |
162 | return SVt_PVIO; |
163 | default: |
164 | return SVt_NULL; |
165 | } |
166 | } |
167 | |
bf460ff3 |
168 | static vartype_t string_to_vartype(char *vartype) |
a382a84b |
169 | { |
170 | if (strEQ(vartype, "SCALAR")) { |
171 | return VAR_SCALAR; |
172 | } |
173 | else if (strEQ(vartype, "ARRAY")) { |
174 | return VAR_ARRAY; |
175 | } |
176 | else if (strEQ(vartype, "HASH")) { |
177 | return VAR_HASH; |
178 | } |
179 | else if (strEQ(vartype, "CODE")) { |
180 | return VAR_CODE; |
181 | } |
182 | else if (strEQ(vartype, "IO")) { |
183 | return VAR_IO; |
184 | } |
185 | else { |
f88deb66 |
186 | croak("Type must be one of 'SCALAR', 'ARRAY', 'HASH', 'CODE', or 'IO', not '%s'", vartype); |
a382a84b |
187 | } |
188 | } |
189 | |
78daf8ed |
190 | static int _is_valid_module_name(SV *package) |
191 | { |
192 | char *buf; |
193 | STRLEN len; |
194 | SV *sv; |
195 | |
196 | buf = SvPV(package, len); |
197 | |
198 | /* whee cargo cult */ |
199 | sv = sv_newmortal(); |
200 | sv_upgrade(sv, SVt_PV); |
201 | SvREADONLY_on(sv); |
202 | SvLEN(sv) = 0; |
203 | SvUTF8_on(sv); |
204 | SvPVX(sv) = buf; |
205 | SvCUR_set(sv, len); |
206 | SvPOK_on(sv); |
207 | |
208 | return pregexec(valid_module_regex, buf, buf + len, buf, 1, sv, 1); |
209 | } |
210 | |
bf460ff3 |
211 | static void _deconstruct_variable_name(SV *variable, varspec_t *varspec) |
a382a84b |
212 | { |
4849f4fc |
213 | char *varpv; |
a382a84b |
214 | |
4849f4fc |
215 | if (!SvCUR(variable)) |
64b79211 |
216 | croak("You must pass a variable name"); |
a382a84b |
217 | |
4849f4fc |
218 | varspec->name = sv_2mortal(newSVsv(variable)); |
219 | |
220 | varpv = SvPV_nolen(varspec->name); |
221 | switch (varpv[0]) { |
a382a84b |
222 | case '$': |
223 | varspec->type = VAR_SCALAR; |
4849f4fc |
224 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
225 | break; |
226 | case '@': |
227 | varspec->type = VAR_ARRAY; |
4849f4fc |
228 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
229 | break; |
230 | case '%': |
231 | varspec->type = VAR_HASH; |
4849f4fc |
232 | sv_chop(varspec->name, &varpv[1]); |
a382a84b |
233 | break; |
234 | case '&': |
235 | varspec->type = VAR_CODE; |
4849f4fc |
236 | sv_chop(varspec->name, &varpv[1]); |
64b79211 |
237 | break; |
238 | default: |
a382a84b |
239 | varspec->type = VAR_IO; |
64b79211 |
240 | break; |
a382a84b |
241 | } |
242 | } |
243 | |
bf460ff3 |
244 | static void _deconstruct_variable_hash(HV *variable, varspec_t *varspec) |
a382a84b |
245 | { |
26f802f7 |
246 | HE *val; |
a382a84b |
247 | |
26f802f7 |
248 | val = hv_fetch_ent(variable, name_key, 0, name_hash); |
a382a84b |
249 | if (!val) |
250 | croak("The 'name' key is required in variable specs"); |
251 | |
061b471e |
252 | varspec->name = sv_2mortal(newSVsv(HeVAL(val))); |
a382a84b |
253 | |
26f802f7 |
254 | val = hv_fetch_ent(variable, type_key, 0, type_hash); |
a382a84b |
255 | if (!val) |
256 | croak("The 'type' key is required in variable specs"); |
257 | |
061b471e |
258 | varspec->type = string_to_vartype(SvPV_nolen(HeVAL(val))); |
a382a84b |
259 | } |
260 | |
1ff84a32 |
261 | static void _check_varspec_is_valid(varspec_t *varspec) |
262 | { |
263 | if (strstr(SvPV_nolen(varspec->name), "::")) { |
264 | croak("Variable names may not contain ::"); |
265 | } |
266 | } |
267 | |
bf460ff3 |
268 | static int _valid_for_type(SV *value, vartype_t type) |
a382a84b |
269 | { |
270 | svtype sv_type = SvROK(value) ? SvTYPE(SvRV(value)) : SVt_NULL; |
271 | |
272 | switch (type) { |
273 | case VAR_SCALAR: |
5a4d63bd |
274 | /* XXX is a glob a scalar? assigning a glob to the scalar slot seems |
275 | * to work here, but in pure perl i'm pretty sure it goes to the EGV |
276 | * slot, which seems more correct to me. just disable it for now |
277 | * i guess */ |
278 | return SVT_SCALAR(sv_type) && sv_type != SVt_PVGV; |
a382a84b |
279 | case VAR_ARRAY: |
a829b7a6 |
280 | return SVT_ARRAY(sv_type); |
a382a84b |
281 | case VAR_HASH: |
a829b7a6 |
282 | return SVT_HASH(sv_type); |
a382a84b |
283 | case VAR_CODE: |
a829b7a6 |
284 | return SVT_CODE(sv_type); |
a382a84b |
285 | case VAR_IO: |
a829b7a6 |
286 | return SVT_IO(sv_type); |
a382a84b |
287 | default: |
288 | return 0; |
289 | } |
290 | } |
291 | |
bf460ff3 |
292 | static HV *_get_namespace(SV *self) |
3fd56b4d |
293 | { |
294 | dSP; |
295 | SV *ret; |
296 | |
297 | PUSHMARK(SP); |
298 | XPUSHs(self); |
299 | PUTBACK; |
300 | |
612dcf3b |
301 | call_method("namespace", G_SCALAR); |
3fd56b4d |
302 | |
303 | SPAGAIN; |
304 | ret = POPs; |
305 | PUTBACK; |
306 | |
307 | return (HV*)SvRV(ret); |
308 | } |
309 | |
bf460ff3 |
310 | static SV *_get_name(SV *self) |
76f7c306 |
311 | { |
312 | dSP; |
313 | SV *ret; |
314 | |
315 | PUSHMARK(SP); |
316 | XPUSHs(self); |
317 | PUTBACK; |
318 | |
612dcf3b |
319 | call_method("name", G_SCALAR); |
76f7c306 |
320 | |
321 | SPAGAIN; |
322 | ret = POPs; |
323 | PUTBACK; |
324 | |
325 | return ret; |
326 | } |
327 | |
bf460ff3 |
328 | static void _expand_glob(SV *self, SV *varname) |
60b395a1 |
329 | { |
5e738664 |
330 | HV *namespace; |
331 | HE *entry; |
332 | GV *glob; |
333 | |
334 | namespace = _get_namespace(self); |
335 | |
336 | if (entry = hv_fetch_ent(namespace, varname, 0, 0)) { |
337 | glob = (GV*)HeVAL(entry); |
338 | if (isGV(glob)) { |
339 | croak("_expand_glob called on stash slot with expanded glob"); |
340 | } |
341 | else { |
342 | char *varname_pv; |
343 | STRLEN varname_len; |
344 | |
345 | varname_pv = SvPV(varname, varname_len); |
346 | gv_init(glob, namespace, varname_pv, varname_len, 1); |
347 | SvREFCNT_inc(glob); |
348 | if (!hv_store_ent(namespace, varname, (SV*)glob, 0)) { |
349 | croak("hv_store failed"); |
350 | } |
351 | } |
352 | } |
353 | else { |
354 | croak("_expand_glob called on nonexistent stash slot"); |
355 | } |
60b395a1 |
356 | } |
357 | |
bf460ff3 |
358 | static SV *_get_symbol(SV *self, varspec_t *variable, int vivify) |
4871b1a0 |
359 | { |
360 | HV *namespace; |
4849f4fc |
361 | HE *entry; |
4871b1a0 |
362 | GV *glob; |
363 | |
364 | namespace = _get_namespace(self); |
4849f4fc |
365 | entry = hv_fetch_ent(namespace, variable->name, vivify, 0); |
4871b1a0 |
366 | if (!entry) |
367 | return NULL; |
368 | |
4849f4fc |
369 | glob = (GV*)(HeVAL(entry)); |
60b395a1 |
370 | if (!isGV(glob)) |
371 | _expand_glob(self, variable->name); |
4871b1a0 |
372 | |
373 | if (vivify) { |
374 | switch (variable->type) { |
375 | case VAR_SCALAR: |
d551a208 |
376 | if (!GvSVOK(glob)) |
377 | GvSetSV(glob, newSV(0)); |
4871b1a0 |
378 | break; |
379 | case VAR_ARRAY: |
d551a208 |
380 | if (!GvAVOK(glob)) |
381 | GvSetAV(glob, newAV()); |
4871b1a0 |
382 | break; |
383 | case VAR_HASH: |
d551a208 |
384 | if (!GvHVOK(glob)) |
385 | GvSetHV(glob, newHV()); |
4871b1a0 |
386 | break; |
387 | case VAR_CODE: |
388 | croak("Don't know how to vivify CODE variables"); |
389 | case VAR_IO: |
d551a208 |
390 | if (!GvIOOK(glob)) |
391 | GvSetIO(glob, newIO()); |
4871b1a0 |
392 | break; |
393 | default: |
394 | croak("Unknown type in vivication"); |
395 | } |
396 | } |
397 | |
398 | switch (variable->type) { |
399 | case VAR_SCALAR: |
400 | return GvSV(glob); |
401 | case VAR_ARRAY: |
402 | return (SV*)GvAV(glob); |
403 | case VAR_HASH: |
404 | return (SV*)GvHV(glob); |
405 | case VAR_CODE: |
406 | return (SV*)GvCV(glob); |
407 | case VAR_IO: |
408 | return (SV*)GvIO(glob); |
409 | default: |
410 | return NULL; |
411 | } |
412 | } |
413 | |
c53d2df2 |
414 | MODULE = Package::Stash::XS PACKAGE = Package::Stash::XS |
59017825 |
415 | |
be2a7e99 |
416 | PROTOTYPES: DISABLE |
417 | |
59017825 |
418 | SV* |
8860963a |
419 | new(class, package) |
4849f4fc |
420 | SV *class |
8860963a |
421 | SV *package |
3496f1e8 |
422 | PREINIT: |
59017825 |
423 | HV *instance; |
59017825 |
424 | CODE: |
8860963a |
425 | if (SvPOK(package)) { |
426 | if (!_is_valid_module_name(package)) |
427 | croak("%s is not a module name", SvPV_nolen(package)); |
59017825 |
428 | |
8860963a |
429 | instance = newHV(); |
78daf8ed |
430 | |
8860963a |
431 | if (!hv_store(instance, "name", 4, SvREFCNT_inc_simple_NN(package), 0)) { |
432 | SvREFCNT_dec(package); |
433 | SvREFCNT_dec(instance); |
434 | croak("Couldn't initialize the 'name' key, hv_store failed"); |
435 | } |
436 | } |
437 | else if (SvROK(package) && SvTYPE(SvRV(package)) == SVt_PVHV) { |
438 | instance = newHV(); |
59017825 |
439 | |
8860963a |
440 | if (!hv_store(instance, "namespace", 9, SvREFCNT_inc_simple_NN(package), 0)) { |
441 | SvREFCNT_dec(package); |
442 | SvREFCNT_dec(instance); |
443 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
444 | } |
445 | } |
446 | else { |
447 | croak("Package::Stash->new must be passed the name of the package to access"); |
1d6c978b |
448 | } |
59017825 |
449 | |
4849f4fc |
450 | RETVAL = sv_bless(newRV_noinc((SV*)instance), gv_stashsv(class, 0)); |
59017825 |
451 | OUTPUT: |
452 | RETVAL |
194acf47 |
453 | |
454 | SV* |
455 | name(self) |
456 | SV *self |
3496f1e8 |
457 | PREINIT: |
26f802f7 |
458 | HE *slot; |
194acf47 |
459 | CODE: |
460 | if (!sv_isobject(self)) |
461 | croak("Can't call name as a class method"); |
8860963a |
462 | if (slot = hv_fetch_ent((HV*)SvRV(self), name_key, 0, name_hash)) { |
463 | RETVAL = SvREFCNT_inc_simple_NN(HeVAL(slot)); |
464 | } |
465 | else { |
466 | croak("Can't get the name of an anonymous package"); |
467 | } |
194acf47 |
468 | OUTPUT: |
469 | RETVAL |
470 | |
471 | SV* |
472 | namespace(self) |
473 | SV *self |
3496f1e8 |
474 | PREINIT: |
26f802f7 |
475 | HE *slot; |
7c3b261c |
476 | SV *package_name; |
194acf47 |
477 | CODE: |
478 | if (!sv_isobject(self)) |
479 | croak("Can't call namespace as a class method"); |
7c3b261c |
480 | #if PERL_VERSION < 10 |
481 | package_name = _get_name(self); |
482 | RETVAL = newRV_inc((SV*)gv_stashpv(SvPV_nolen(package_name), GV_ADD)); |
483 | #else |
26f802f7 |
484 | slot = hv_fetch_ent((HV*)SvRV(self), namespace_key, 0, namespace_hash); |
31263168 |
485 | if (slot) { |
486 | RETVAL = SvREFCNT_inc_simple_NN(HeVAL(slot)); |
487 | } |
488 | else { |
489 | HV *namespace; |
7c3b261c |
490 | SV *nsref; |
31263168 |
491 | |
492 | package_name = _get_name(self); |
493 | namespace = gv_stashpv(SvPV_nolen(package_name), GV_ADD); |
494 | nsref = newRV_inc((SV*)namespace); |
495 | sv_rvweaken(nsref); |
496 | if (!hv_store((HV*)SvRV(self), "namespace", 9, nsref, 0)) { |
497 | SvREFCNT_dec(nsref); |
498 | SvREFCNT_dec(self); |
499 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
500 | } |
501 | RETVAL = SvREFCNT_inc_simple_NN(nsref); |
502 | } |
7c3b261c |
503 | #endif |
194acf47 |
504 | OUTPUT: |
505 | RETVAL |
3fd56b4d |
506 | |
507 | void |
15c104e2 |
508 | add_symbol(self, variable, initial=NULL, ...) |
76f7c306 |
509 | SV *self |
510 | varspec_t variable |
511 | SV *initial |
512 | PREINIT: |
76f7c306 |
513 | GV *glob; |
e290a036 |
514 | HV *namespace; |
515 | HE *entry; |
76f7c306 |
516 | CODE: |
517 | if (initial && !_valid_for_type(initial, variable.type)) |
518 | croak("%s is not of type %s", |
519 | SvPV_nolen(initial), vartype_to_string(variable.type)); |
520 | |
76f7c306 |
521 | if (items > 2 && (PL_perldb & 0x10) && variable.type == VAR_CODE) { |
522 | int i; |
4849f4fc |
523 | char *filename = NULL; |
d1d0e437 |
524 | I32 first_line_num = -1, last_line_num = -1; |
e290a036 |
525 | SV *dbval, *name; |
d1d0e437 |
526 | HV *dbsub; |
76f7c306 |
527 | |
528 | if ((items - 3) % 2) |
15c104e2 |
529 | croak("add_symbol: Odd number of elements in %%opts"); |
76f7c306 |
530 | |
531 | for (i = 3; i < items; i += 2) { |
532 | char *key; |
533 | key = SvPV_nolen(ST(i)); |
534 | if (strEQ(key, "filename")) { |
535 | if (!SvPOK(ST(i + 1))) |
15c104e2 |
536 | croak("add_symbol: filename must be a string"); |
76f7c306 |
537 | filename = SvPV_nolen(ST(i + 1)); |
538 | } |
539 | else if (strEQ(key, "first_line_num")) { |
540 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
541 | croak("add_symbol: first_line_num must be an integer"); |
76f7c306 |
542 | first_line_num = SvIV(ST(i + 1)); |
543 | } |
544 | else if (strEQ(key, "last_line_num")) { |
545 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
546 | croak("add_symbol: last_line_num must be an integer"); |
76f7c306 |
547 | last_line_num = SvIV(ST(i + 1)); |
548 | } |
549 | } |
550 | |
d1d0e437 |
551 | if (!filename || first_line_num == -1) { |
d1d0e437 |
552 | if (!filename) |
e0162997 |
553 | filename = CopFILE(PL_curcop); |
d1d0e437 |
554 | if (first_line_num == -1) |
e0162997 |
555 | first_line_num = PL_curcop->cop_line; |
d1d0e437 |
556 | } |
557 | |
558 | if (last_line_num == -1) |
559 | last_line_num = first_line_num; |
560 | |
e290a036 |
561 | name = newSVsv(_get_name(self)); |
562 | sv_catpvs(name, "::"); |
563 | sv_catsv(name, variable.name); |
564 | |
d1d0e437 |
565 | /* http://perldoc.perl.org/perldebguts.html#Debugger-Internals */ |
566 | dbsub = get_hv("DB::sub", 1); |
567 | dbval = newSVpvf("%s:%d-%d", filename, first_line_num, last_line_num); |
4849f4fc |
568 | if (!hv_store_ent(dbsub, name, dbval, 0)) { |
569 | warn("Failed to update $DB::sub for subroutine %s", |
570 | SvPV_nolen(name)); |
d1d0e437 |
571 | SvREFCNT_dec(dbval); |
76f7c306 |
572 | } |
e290a036 |
573 | |
574 | SvREFCNT_dec(name); |
76f7c306 |
575 | } |
76f7c306 |
576 | |
9aa6fe4f |
577 | /* GV_ADDMULTI rather than GV_ADD because otherwise you get 'used only |
578 | * once' warnings in some situations... i can't reproduce this, but CMOP |
579 | * triggers it */ |
e290a036 |
580 | namespace = _get_namespace(self); |
581 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
582 | if (entry) { |
583 | glob = (GV*)HeVAL(entry); |
584 | } |
585 | else { |
8a78ba15 |
586 | char *varname_pv; |
587 | STRLEN varname_len; |
e290a036 |
588 | glob = (GV*)newSV(0); |
8a78ba15 |
589 | varname_pv = SvPV(variable.name, varname_len); |
590 | gv_init(glob, namespace, varname_pv, varname_len, 1); |
e290a036 |
591 | if (!hv_store_ent(namespace, variable.name, (SV*)glob, 0)) { |
592 | croak("hv_store failed"); |
593 | } |
594 | } |
76f7c306 |
595 | |
596 | if (initial) { |
597 | SV *val; |
598 | |
599 | if (SvROK(initial)) { |
600 | val = SvRV(initial); |
a2fec41a |
601 | SvREFCNT_inc_simple_void_NN(val); |
76f7c306 |
602 | } |
603 | else { |
604 | val = newSVsv(initial); |
605 | } |
606 | |
607 | switch (variable.type) { |
608 | case VAR_SCALAR: |
d551a208 |
609 | GvSetSV(glob, val); |
76f7c306 |
610 | break; |
611 | case VAR_ARRAY: |
d551a208 |
612 | GvSetAV(glob, val); |
76f7c306 |
613 | break; |
614 | case VAR_HASH: |
d551a208 |
615 | GvSetHV(glob, val); |
76f7c306 |
616 | break; |
617 | case VAR_CODE: |
d551a208 |
618 | GvSetCV(glob, val); |
76f7c306 |
619 | break; |
620 | case VAR_IO: |
d551a208 |
621 | GvSetIO(glob, val); |
76f7c306 |
622 | break; |
623 | } |
624 | } |
625 | |
626 | void |
4849f4fc |
627 | remove_glob(self, name) |
3fd56b4d |
628 | SV *self |
4849f4fc |
629 | SV *name |
3fd56b4d |
630 | CODE: |
4849f4fc |
631 | hv_delete_ent(_get_namespace(self), name, G_DISCARD, 0); |
9b608466 |
632 | |
34805376 |
633 | int |
15c104e2 |
634 | has_symbol(self, variable) |
34805376 |
635 | SV *self |
636 | varspec_t variable |
637 | PREINIT: |
638 | HV *namespace; |
4849f4fc |
639 | HE *entry; |
640 | SV *val; |
34805376 |
641 | CODE: |
642 | namespace = _get_namespace(self); |
4849f4fc |
643 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
34805376 |
644 | if (!entry) |
645 | XSRETURN_UNDEF; |
646 | |
4849f4fc |
647 | val = HeVAL(entry); |
648 | if (isGV(val)) { |
649 | GV *glob = (GV*)val; |
34805376 |
650 | switch (variable.type) { |
651 | case VAR_SCALAR: |
d551a208 |
652 | RETVAL = GvSVOK(glob) ? 1 : 0; |
34805376 |
653 | break; |
654 | case VAR_ARRAY: |
d551a208 |
655 | RETVAL = GvAVOK(glob) ? 1 : 0; |
34805376 |
656 | break; |
657 | case VAR_HASH: |
d551a208 |
658 | RETVAL = GvHVOK(glob) ? 1 : 0; |
34805376 |
659 | break; |
660 | case VAR_CODE: |
d551a208 |
661 | RETVAL = GvCVOK(glob) ? 1 : 0; |
34805376 |
662 | break; |
663 | case VAR_IO: |
d551a208 |
664 | RETVAL = GvIOOK(glob) ? 1 : 0; |
34805376 |
665 | break; |
666 | } |
667 | } |
668 | else { |
669 | RETVAL = (variable.type == VAR_CODE); |
670 | } |
671 | OUTPUT: |
672 | RETVAL |
673 | |
e3ad44fd |
674 | SV* |
15c104e2 |
675 | get_symbol(self, variable) |
e3ad44fd |
676 | SV *self |
677 | varspec_t variable |
678 | PREINIT: |
fca4ed0c |
679 | SV *val; |
e3ad44fd |
680 | CODE: |
15c104e2 |
681 | val = _get_symbol(self, &variable, 0); |
4871b1a0 |
682 | if (!val) |
e3ad44fd |
683 | XSRETURN_UNDEF; |
93c36417 |
684 | RETVAL = newRV_inc(val); |
4871b1a0 |
685 | OUTPUT: |
686 | RETVAL |
e3ad44fd |
687 | |
4871b1a0 |
688 | SV* |
15c104e2 |
689 | get_or_add_symbol(self, variable) |
4871b1a0 |
690 | SV *self |
691 | varspec_t variable |
692 | PREINIT: |
693 | SV *val; |
694 | CODE: |
15c104e2 |
695 | val = _get_symbol(self, &variable, 1); |
fca4ed0c |
696 | if (!val) |
697 | XSRETURN_UNDEF; |
93c36417 |
698 | RETVAL = newRV_inc(val); |
e3ad44fd |
699 | OUTPUT: |
700 | RETVAL |
701 | |
9b608466 |
702 | void |
15c104e2 |
703 | remove_symbol(self, variable) |
215f49f8 |
704 | SV *self |
705 | varspec_t variable |
706 | PREINIT: |
707 | HV *namespace; |
4849f4fc |
708 | HE *entry; |
709 | SV *val; |
215f49f8 |
710 | CODE: |
711 | namespace = _get_namespace(self); |
4849f4fc |
712 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
215f49f8 |
713 | if (!entry) |
714 | XSRETURN_EMPTY; |
715 | |
4849f4fc |
716 | val = HeVAL(entry); |
717 | if (isGV(val)) { |
718 | GV *glob = (GV*)val; |
215f49f8 |
719 | switch (variable.type) { |
720 | case VAR_SCALAR: |
d551a208 |
721 | GvSetSV(glob, NULL); |
215f49f8 |
722 | break; |
723 | case VAR_ARRAY: |
d551a208 |
724 | GvSetAV(glob, NULL); |
215f49f8 |
725 | break; |
726 | case VAR_HASH: |
d551a208 |
727 | GvSetHV(glob, NULL); |
215f49f8 |
728 | break; |
729 | case VAR_CODE: |
d551a208 |
730 | GvSetCV(glob, NULL); |
215f49f8 |
731 | break; |
732 | case VAR_IO: |
d551a208 |
733 | GvSetIO(glob, NULL); |
215f49f8 |
734 | break; |
735 | } |
736 | } |
737 | else { |
738 | if (variable.type == VAR_CODE) { |
4849f4fc |
739 | hv_delete_ent(namespace, variable.name, G_DISCARD, 0); |
215f49f8 |
740 | } |
741 | } |
742 | |
743 | void |
15c104e2 |
744 | list_all_symbols(self, vartype=VAR_NONE) |
9b608466 |
745 | SV *self |
746 | vartype_t vartype |
747 | PPCODE: |
748 | if (vartype == VAR_NONE) { |
749 | HV *namespace; |
750 | HE *entry; |
751 | int keys; |
752 | |
753 | namespace = _get_namespace(self); |
754 | keys = hv_iterinit(namespace); |
755 | EXTEND(SP, keys); |
ebcc8ba8 |
756 | while ((entry = hv_iternext(namespace))) { |
13f8a7b7 |
757 | mPUSHs(newSVhe(entry)); |
9b608466 |
758 | } |
759 | } |
760 | else { |
761 | HV *namespace; |
9b608466 |
762 | SV *val; |
763 | char *key; |
64b79211 |
764 | I32 len; |
9b608466 |
765 | |
766 | namespace = _get_namespace(self); |
767 | hv_iterinit(namespace); |
ebcc8ba8 |
768 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
9b608466 |
769 | GV *gv = (GV*)val; |
770 | if (isGV(gv)) { |
771 | switch (vartype) { |
772 | case VAR_SCALAR: |
d551a208 |
773 | if (GvSVOK(val)) |
9b608466 |
774 | mXPUSHp(key, len); |
775 | break; |
776 | case VAR_ARRAY: |
d551a208 |
777 | if (GvAVOK(val)) |
9b608466 |
778 | mXPUSHp(key, len); |
779 | break; |
780 | case VAR_HASH: |
d551a208 |
781 | if (GvHVOK(val)) |
9b608466 |
782 | mXPUSHp(key, len); |
783 | break; |
784 | case VAR_CODE: |
d551a208 |
785 | if (GvCVOK(val)) |
9b608466 |
786 | mXPUSHp(key, len); |
787 | break; |
788 | case VAR_IO: |
d551a208 |
789 | if (GvIOOK(val)) |
9b608466 |
790 | mXPUSHp(key, len); |
791 | break; |
792 | } |
793 | } |
794 | else if (vartype == VAR_CODE) { |
795 | mXPUSHp(key, len); |
796 | } |
797 | } |
798 | } |
26f802f7 |
799 | |
d2b55565 |
800 | void |
801 | get_all_symbols(self, vartype=VAR_NONE) |
802 | SV *self |
803 | vartype_t vartype |
804 | PREINIT: |
805 | HV *namespace, *ret; |
806 | SV *val; |
807 | char *key; |
808 | I32 len; |
809 | PPCODE: |
810 | namespace = _get_namespace(self); |
811 | ret = newHV(); |
812 | |
813 | hv_iterinit(namespace); |
814 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
815 | GV *gv = (GV*)val; |
816 | |
4849f4fc |
817 | if (!isGV(gv)) { |
818 | SV *keysv = newSVpvn(key, len); |
819 | _expand_glob(self, keysv); |
820 | SvREFCNT_dec(keysv); |
821 | } |
d2b55565 |
822 | |
823 | switch (vartype) { |
824 | case VAR_SCALAR: |
825 | if (GvSVOK(val)) |
826 | hv_store(ret, key, len, newRV_inc(GvSV(gv)), 0); |
827 | break; |
828 | case VAR_ARRAY: |
829 | if (GvAVOK(val)) |
830 | hv_store(ret, key, len, newRV_inc((SV*)GvAV(gv)), 0); |
831 | break; |
832 | case VAR_HASH: |
833 | if (GvHVOK(val)) |
834 | hv_store(ret, key, len, newRV_inc((SV*)GvHV(gv)), 0); |
835 | break; |
836 | case VAR_CODE: |
837 | if (GvCVOK(val)) |
838 | hv_store(ret, key, len, newRV_inc((SV*)GvCV(gv)), 0); |
839 | break; |
840 | case VAR_IO: |
841 | if (GvIOOK(val)) |
842 | hv_store(ret, key, len, newRV_inc((SV*)GvIO(gv)), 0); |
843 | break; |
844 | case VAR_NONE: |
845 | hv_store(ret, key, len, SvREFCNT_inc_simple_NN(val), 0); |
846 | break; |
847 | } |
848 | } |
849 | |
850 | mPUSHs(newRV_noinc((SV*)ret)); |
851 | |
26f802f7 |
852 | BOOT: |
853 | { |
e1b6c960 |
854 | const char *vmre = "\\A[0-9A-Z_a-z]+(?:::[0-9A-Z_a-z]+)*\\z"; |
855 | #if (PERL_VERSION < 9) || ((PERL_VERSION == 9) && (PERL_SUBVERSION < 5)) |
856 | PMOP fakepmop; |
857 | |
858 | fakepmop.op_pmflags = 0; |
859 | valid_module_regex = pregcomp(vmre, vmre + strlen(vmre), &fakepmop); |
860 | #else |
78daf8ed |
861 | SV *re; |
862 | |
e1b6c960 |
863 | re = newSVpv(vmre, 0); |
78daf8ed |
864 | valid_module_regex = pregcomp(re, 0); |
e1b6c960 |
865 | #endif |
78daf8ed |
866 | |
26f802f7 |
867 | name_key = newSVpvs("name"); |
868 | PERL_HASH(name_hash, "name", 4); |
869 | |
870 | namespace_key = newSVpvs("namespace"); |
871 | PERL_HASH(namespace_hash, "namespace", 9); |
872 | |
873 | type_key = newSVpvs("type"); |
874 | PERL_HASH(type_hash, "type", 4); |
875 | } |