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 | |
e006ab79 |
328 | static void _real_gv_init(GV *gv, HV *stash, SV *name) |
329 | { |
330 | char *name_pv; |
331 | STRLEN name_len; |
332 | |
333 | name_pv = SvPV(name, name_len); |
334 | gv_init(gv, stash, name_pv, name_len, 1); |
7ce1a95b |
335 | |
336 | /* XXX: copied and pasted from gv_fetchpvn_flags and such */ |
337 | /* ignoring the stuff for CORE:: and main:: for now, and also |
338 | * ignoring the GvMULTI_on bits, since we pass 1 to gv_init above */ |
339 | switch (name_pv[0]) { |
340 | case 'I': |
341 | if (strEQ(&name_pv[1], "SA")) { |
342 | AV *av; |
343 | |
344 | av = GvAVn(gv); |
345 | sv_magic(MUTABLE_SV(av), MUTABLE_SV(gv), PERL_MAGIC_isa, |
346 | NULL, 0); |
347 | } |
348 | break; |
349 | case 'O': |
350 | if (strEQ(&name_pv[1], "VERLOAD")) { |
351 | HV *hv; |
352 | |
353 | hv = GvHVn(gv); |
354 | hv_magic(hv, NULL, PERL_MAGIC_overload); |
355 | } |
356 | break; |
357 | default: |
358 | break; |
359 | } |
e006ab79 |
360 | } |
361 | |
bf460ff3 |
362 | static void _expand_glob(SV *self, SV *varname) |
60b395a1 |
363 | { |
5e738664 |
364 | HV *namespace; |
365 | HE *entry; |
366 | GV *glob; |
367 | |
368 | namespace = _get_namespace(self); |
369 | |
370 | if (entry = hv_fetch_ent(namespace, varname, 0, 0)) { |
371 | glob = (GV*)HeVAL(entry); |
372 | if (isGV(glob)) { |
373 | croak("_expand_glob called on stash slot with expanded glob"); |
374 | } |
375 | else { |
5e738664 |
376 | SvREFCNT_inc(glob); |
e006ab79 |
377 | _real_gv_init(glob, namespace, varname); |
5e738664 |
378 | if (!hv_store_ent(namespace, varname, (SV*)glob, 0)) { |
379 | croak("hv_store failed"); |
380 | } |
381 | } |
382 | } |
383 | else { |
384 | croak("_expand_glob called on nonexistent stash slot"); |
385 | } |
60b395a1 |
386 | } |
387 | |
bf460ff3 |
388 | static SV *_get_symbol(SV *self, varspec_t *variable, int vivify) |
4871b1a0 |
389 | { |
390 | HV *namespace; |
4849f4fc |
391 | HE *entry; |
4871b1a0 |
392 | GV *glob; |
393 | |
394 | namespace = _get_namespace(self); |
4849f4fc |
395 | entry = hv_fetch_ent(namespace, variable->name, vivify, 0); |
4871b1a0 |
396 | if (!entry) |
397 | return NULL; |
398 | |
4849f4fc |
399 | glob = (GV*)(HeVAL(entry)); |
60b395a1 |
400 | if (!isGV(glob)) |
401 | _expand_glob(self, variable->name); |
4871b1a0 |
402 | |
403 | if (vivify) { |
404 | switch (variable->type) { |
405 | case VAR_SCALAR: |
d551a208 |
406 | if (!GvSVOK(glob)) |
407 | GvSetSV(glob, newSV(0)); |
4871b1a0 |
408 | break; |
409 | case VAR_ARRAY: |
d551a208 |
410 | if (!GvAVOK(glob)) |
411 | GvSetAV(glob, newAV()); |
4871b1a0 |
412 | break; |
413 | case VAR_HASH: |
d551a208 |
414 | if (!GvHVOK(glob)) |
415 | GvSetHV(glob, newHV()); |
4871b1a0 |
416 | break; |
417 | case VAR_CODE: |
418 | croak("Don't know how to vivify CODE variables"); |
419 | case VAR_IO: |
d551a208 |
420 | if (!GvIOOK(glob)) |
421 | GvSetIO(glob, newIO()); |
4871b1a0 |
422 | break; |
423 | default: |
424 | croak("Unknown type in vivication"); |
425 | } |
426 | } |
427 | |
428 | switch (variable->type) { |
429 | case VAR_SCALAR: |
430 | return GvSV(glob); |
431 | case VAR_ARRAY: |
432 | return (SV*)GvAV(glob); |
433 | case VAR_HASH: |
434 | return (SV*)GvHV(glob); |
435 | case VAR_CODE: |
436 | return (SV*)GvCV(glob); |
437 | case VAR_IO: |
438 | return (SV*)GvIO(glob); |
439 | default: |
440 | return NULL; |
441 | } |
442 | } |
443 | |
c53d2df2 |
444 | MODULE = Package::Stash::XS PACKAGE = Package::Stash::XS |
59017825 |
445 | |
be2a7e99 |
446 | PROTOTYPES: DISABLE |
447 | |
59017825 |
448 | SV* |
8860963a |
449 | new(class, package) |
4849f4fc |
450 | SV *class |
8860963a |
451 | SV *package |
3496f1e8 |
452 | PREINIT: |
59017825 |
453 | HV *instance; |
59017825 |
454 | CODE: |
8860963a |
455 | if (SvPOK(package)) { |
456 | if (!_is_valid_module_name(package)) |
457 | croak("%s is not a module name", SvPV_nolen(package)); |
59017825 |
458 | |
8860963a |
459 | instance = newHV(); |
78daf8ed |
460 | |
8860963a |
461 | if (!hv_store(instance, "name", 4, SvREFCNT_inc_simple_NN(package), 0)) { |
462 | SvREFCNT_dec(package); |
463 | SvREFCNT_dec(instance); |
464 | croak("Couldn't initialize the 'name' key, hv_store failed"); |
465 | } |
466 | } |
467 | else if (SvROK(package) && SvTYPE(SvRV(package)) == SVt_PVHV) { |
468 | instance = newHV(); |
59017825 |
469 | |
8860963a |
470 | if (!hv_store(instance, "namespace", 9, SvREFCNT_inc_simple_NN(package), 0)) { |
471 | SvREFCNT_dec(package); |
472 | SvREFCNT_dec(instance); |
473 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
474 | } |
475 | } |
476 | else { |
477 | croak("Package::Stash->new must be passed the name of the package to access"); |
1d6c978b |
478 | } |
59017825 |
479 | |
4849f4fc |
480 | RETVAL = sv_bless(newRV_noinc((SV*)instance), gv_stashsv(class, 0)); |
59017825 |
481 | OUTPUT: |
482 | RETVAL |
194acf47 |
483 | |
484 | SV* |
485 | name(self) |
486 | SV *self |
3496f1e8 |
487 | PREINIT: |
26f802f7 |
488 | HE *slot; |
194acf47 |
489 | CODE: |
490 | if (!sv_isobject(self)) |
491 | croak("Can't call name as a class method"); |
8860963a |
492 | if (slot = hv_fetch_ent((HV*)SvRV(self), name_key, 0, name_hash)) { |
493 | RETVAL = SvREFCNT_inc_simple_NN(HeVAL(slot)); |
494 | } |
495 | else { |
496 | croak("Can't get the name of an anonymous package"); |
497 | } |
194acf47 |
498 | OUTPUT: |
499 | RETVAL |
500 | |
501 | SV* |
502 | namespace(self) |
503 | SV *self |
3496f1e8 |
504 | PREINIT: |
26f802f7 |
505 | HE *slot; |
7c3b261c |
506 | SV *package_name; |
194acf47 |
507 | CODE: |
508 | if (!sv_isobject(self)) |
509 | croak("Can't call namespace as a class method"); |
7c3b261c |
510 | #if PERL_VERSION < 10 |
511 | package_name = _get_name(self); |
512 | RETVAL = newRV_inc((SV*)gv_stashpv(SvPV_nolen(package_name), GV_ADD)); |
513 | #else |
26f802f7 |
514 | slot = hv_fetch_ent((HV*)SvRV(self), namespace_key, 0, namespace_hash); |
31263168 |
515 | if (slot) { |
516 | RETVAL = SvREFCNT_inc_simple_NN(HeVAL(slot)); |
517 | } |
518 | else { |
519 | HV *namespace; |
7c3b261c |
520 | SV *nsref; |
31263168 |
521 | |
522 | package_name = _get_name(self); |
523 | namespace = gv_stashpv(SvPV_nolen(package_name), GV_ADD); |
524 | nsref = newRV_inc((SV*)namespace); |
525 | sv_rvweaken(nsref); |
526 | if (!hv_store((HV*)SvRV(self), "namespace", 9, nsref, 0)) { |
527 | SvREFCNT_dec(nsref); |
528 | SvREFCNT_dec(self); |
529 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
530 | } |
531 | RETVAL = SvREFCNT_inc_simple_NN(nsref); |
532 | } |
7c3b261c |
533 | #endif |
194acf47 |
534 | OUTPUT: |
535 | RETVAL |
3fd56b4d |
536 | |
537 | void |
15c104e2 |
538 | add_symbol(self, variable, initial=NULL, ...) |
76f7c306 |
539 | SV *self |
540 | varspec_t variable |
541 | SV *initial |
542 | PREINIT: |
76f7c306 |
543 | GV *glob; |
e290a036 |
544 | HV *namespace; |
545 | HE *entry; |
76f7c306 |
546 | CODE: |
547 | if (initial && !_valid_for_type(initial, variable.type)) |
548 | croak("%s is not of type %s", |
549 | SvPV_nolen(initial), vartype_to_string(variable.type)); |
550 | |
76f7c306 |
551 | if (items > 2 && (PL_perldb & 0x10) && variable.type == VAR_CODE) { |
552 | int i; |
4849f4fc |
553 | char *filename = NULL; |
d1d0e437 |
554 | I32 first_line_num = -1, last_line_num = -1; |
e290a036 |
555 | SV *dbval, *name; |
d1d0e437 |
556 | HV *dbsub; |
76f7c306 |
557 | |
558 | if ((items - 3) % 2) |
15c104e2 |
559 | croak("add_symbol: Odd number of elements in %%opts"); |
76f7c306 |
560 | |
561 | for (i = 3; i < items; i += 2) { |
562 | char *key; |
563 | key = SvPV_nolen(ST(i)); |
564 | if (strEQ(key, "filename")) { |
565 | if (!SvPOK(ST(i + 1))) |
15c104e2 |
566 | croak("add_symbol: filename must be a string"); |
76f7c306 |
567 | filename = SvPV_nolen(ST(i + 1)); |
568 | } |
569 | else if (strEQ(key, "first_line_num")) { |
570 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
571 | croak("add_symbol: first_line_num must be an integer"); |
76f7c306 |
572 | first_line_num = SvIV(ST(i + 1)); |
573 | } |
574 | else if (strEQ(key, "last_line_num")) { |
575 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
576 | croak("add_symbol: last_line_num must be an integer"); |
76f7c306 |
577 | last_line_num = SvIV(ST(i + 1)); |
578 | } |
579 | } |
580 | |
d1d0e437 |
581 | if (!filename || first_line_num == -1) { |
d1d0e437 |
582 | if (!filename) |
e0162997 |
583 | filename = CopFILE(PL_curcop); |
d1d0e437 |
584 | if (first_line_num == -1) |
e0162997 |
585 | first_line_num = PL_curcop->cop_line; |
d1d0e437 |
586 | } |
587 | |
588 | if (last_line_num == -1) |
589 | last_line_num = first_line_num; |
590 | |
e290a036 |
591 | name = newSVsv(_get_name(self)); |
592 | sv_catpvs(name, "::"); |
593 | sv_catsv(name, variable.name); |
594 | |
d1d0e437 |
595 | /* http://perldoc.perl.org/perldebguts.html#Debugger-Internals */ |
596 | dbsub = get_hv("DB::sub", 1); |
597 | dbval = newSVpvf("%s:%d-%d", filename, first_line_num, last_line_num); |
4849f4fc |
598 | if (!hv_store_ent(dbsub, name, dbval, 0)) { |
599 | warn("Failed to update $DB::sub for subroutine %s", |
600 | SvPV_nolen(name)); |
d1d0e437 |
601 | SvREFCNT_dec(dbval); |
76f7c306 |
602 | } |
e290a036 |
603 | |
604 | SvREFCNT_dec(name); |
76f7c306 |
605 | } |
76f7c306 |
606 | |
9aa6fe4f |
607 | /* GV_ADDMULTI rather than GV_ADD because otherwise you get 'used only |
608 | * once' warnings in some situations... i can't reproduce this, but CMOP |
609 | * triggers it */ |
e290a036 |
610 | namespace = _get_namespace(self); |
611 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
612 | if (entry) { |
613 | glob = (GV*)HeVAL(entry); |
614 | } |
615 | else { |
616 | glob = (GV*)newSV(0); |
e006ab79 |
617 | _real_gv_init(glob, namespace, variable.name); |
e290a036 |
618 | if (!hv_store_ent(namespace, variable.name, (SV*)glob, 0)) { |
619 | croak("hv_store failed"); |
620 | } |
621 | } |
76f7c306 |
622 | |
623 | if (initial) { |
624 | SV *val; |
625 | |
626 | if (SvROK(initial)) { |
627 | val = SvRV(initial); |
a2fec41a |
628 | SvREFCNT_inc_simple_void_NN(val); |
76f7c306 |
629 | } |
630 | else { |
631 | val = newSVsv(initial); |
632 | } |
633 | |
634 | switch (variable.type) { |
635 | case VAR_SCALAR: |
d551a208 |
636 | GvSetSV(glob, val); |
76f7c306 |
637 | break; |
638 | case VAR_ARRAY: |
d551a208 |
639 | GvSetAV(glob, val); |
76f7c306 |
640 | break; |
641 | case VAR_HASH: |
d551a208 |
642 | GvSetHV(glob, val); |
76f7c306 |
643 | break; |
644 | case VAR_CODE: |
d551a208 |
645 | GvSetCV(glob, val); |
76f7c306 |
646 | break; |
647 | case VAR_IO: |
d551a208 |
648 | GvSetIO(glob, val); |
76f7c306 |
649 | break; |
650 | } |
651 | } |
652 | |
653 | void |
4849f4fc |
654 | remove_glob(self, name) |
3fd56b4d |
655 | SV *self |
4849f4fc |
656 | SV *name |
3fd56b4d |
657 | CODE: |
4849f4fc |
658 | hv_delete_ent(_get_namespace(self), name, G_DISCARD, 0); |
9b608466 |
659 | |
34805376 |
660 | int |
15c104e2 |
661 | has_symbol(self, variable) |
34805376 |
662 | SV *self |
663 | varspec_t variable |
664 | PREINIT: |
665 | HV *namespace; |
4849f4fc |
666 | HE *entry; |
667 | SV *val; |
34805376 |
668 | CODE: |
669 | namespace = _get_namespace(self); |
4849f4fc |
670 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
34805376 |
671 | if (!entry) |
672 | XSRETURN_UNDEF; |
673 | |
4849f4fc |
674 | val = HeVAL(entry); |
675 | if (isGV(val)) { |
676 | GV *glob = (GV*)val; |
34805376 |
677 | switch (variable.type) { |
678 | case VAR_SCALAR: |
d551a208 |
679 | RETVAL = GvSVOK(glob) ? 1 : 0; |
34805376 |
680 | break; |
681 | case VAR_ARRAY: |
d551a208 |
682 | RETVAL = GvAVOK(glob) ? 1 : 0; |
34805376 |
683 | break; |
684 | case VAR_HASH: |
d551a208 |
685 | RETVAL = GvHVOK(glob) ? 1 : 0; |
34805376 |
686 | break; |
687 | case VAR_CODE: |
d551a208 |
688 | RETVAL = GvCVOK(glob) ? 1 : 0; |
34805376 |
689 | break; |
690 | case VAR_IO: |
d551a208 |
691 | RETVAL = GvIOOK(glob) ? 1 : 0; |
34805376 |
692 | break; |
693 | } |
694 | } |
695 | else { |
696 | RETVAL = (variable.type == VAR_CODE); |
697 | } |
698 | OUTPUT: |
699 | RETVAL |
700 | |
e3ad44fd |
701 | SV* |
15c104e2 |
702 | get_symbol(self, variable) |
e3ad44fd |
703 | SV *self |
704 | varspec_t variable |
705 | PREINIT: |
fca4ed0c |
706 | SV *val; |
e3ad44fd |
707 | CODE: |
15c104e2 |
708 | val = _get_symbol(self, &variable, 0); |
4871b1a0 |
709 | if (!val) |
e3ad44fd |
710 | XSRETURN_UNDEF; |
93c36417 |
711 | RETVAL = newRV_inc(val); |
4871b1a0 |
712 | OUTPUT: |
713 | RETVAL |
e3ad44fd |
714 | |
4871b1a0 |
715 | SV* |
15c104e2 |
716 | get_or_add_symbol(self, variable) |
4871b1a0 |
717 | SV *self |
718 | varspec_t variable |
719 | PREINIT: |
720 | SV *val; |
721 | CODE: |
15c104e2 |
722 | val = _get_symbol(self, &variable, 1); |
fca4ed0c |
723 | if (!val) |
724 | XSRETURN_UNDEF; |
93c36417 |
725 | RETVAL = newRV_inc(val); |
e3ad44fd |
726 | OUTPUT: |
727 | RETVAL |
728 | |
9b608466 |
729 | void |
15c104e2 |
730 | remove_symbol(self, variable) |
215f49f8 |
731 | SV *self |
732 | varspec_t variable |
733 | PREINIT: |
734 | HV *namespace; |
4849f4fc |
735 | HE *entry; |
736 | SV *val; |
215f49f8 |
737 | CODE: |
738 | namespace = _get_namespace(self); |
4849f4fc |
739 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
215f49f8 |
740 | if (!entry) |
741 | XSRETURN_EMPTY; |
742 | |
4849f4fc |
743 | val = HeVAL(entry); |
744 | if (isGV(val)) { |
745 | GV *glob = (GV*)val; |
215f49f8 |
746 | switch (variable.type) { |
747 | case VAR_SCALAR: |
d551a208 |
748 | GvSetSV(glob, NULL); |
215f49f8 |
749 | break; |
750 | case VAR_ARRAY: |
d551a208 |
751 | GvSetAV(glob, NULL); |
215f49f8 |
752 | break; |
753 | case VAR_HASH: |
d551a208 |
754 | GvSetHV(glob, NULL); |
215f49f8 |
755 | break; |
756 | case VAR_CODE: |
d551a208 |
757 | GvSetCV(glob, NULL); |
215f49f8 |
758 | break; |
759 | case VAR_IO: |
d551a208 |
760 | GvSetIO(glob, NULL); |
215f49f8 |
761 | break; |
762 | } |
763 | } |
764 | else { |
765 | if (variable.type == VAR_CODE) { |
4849f4fc |
766 | hv_delete_ent(namespace, variable.name, G_DISCARD, 0); |
215f49f8 |
767 | } |
768 | } |
769 | |
770 | void |
15c104e2 |
771 | list_all_symbols(self, vartype=VAR_NONE) |
9b608466 |
772 | SV *self |
773 | vartype_t vartype |
774 | PPCODE: |
775 | if (vartype == VAR_NONE) { |
776 | HV *namespace; |
777 | HE *entry; |
778 | int keys; |
779 | |
780 | namespace = _get_namespace(self); |
781 | keys = hv_iterinit(namespace); |
782 | EXTEND(SP, keys); |
ebcc8ba8 |
783 | while ((entry = hv_iternext(namespace))) { |
13f8a7b7 |
784 | mPUSHs(newSVhe(entry)); |
9b608466 |
785 | } |
786 | } |
787 | else { |
788 | HV *namespace; |
9b608466 |
789 | SV *val; |
790 | char *key; |
64b79211 |
791 | I32 len; |
9b608466 |
792 | |
793 | namespace = _get_namespace(self); |
794 | hv_iterinit(namespace); |
ebcc8ba8 |
795 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
9b608466 |
796 | GV *gv = (GV*)val; |
797 | if (isGV(gv)) { |
798 | switch (vartype) { |
799 | case VAR_SCALAR: |
d551a208 |
800 | if (GvSVOK(val)) |
9b608466 |
801 | mXPUSHp(key, len); |
802 | break; |
803 | case VAR_ARRAY: |
d551a208 |
804 | if (GvAVOK(val)) |
9b608466 |
805 | mXPUSHp(key, len); |
806 | break; |
807 | case VAR_HASH: |
d551a208 |
808 | if (GvHVOK(val)) |
9b608466 |
809 | mXPUSHp(key, len); |
810 | break; |
811 | case VAR_CODE: |
d551a208 |
812 | if (GvCVOK(val)) |
9b608466 |
813 | mXPUSHp(key, len); |
814 | break; |
815 | case VAR_IO: |
d551a208 |
816 | if (GvIOOK(val)) |
9b608466 |
817 | mXPUSHp(key, len); |
818 | break; |
819 | } |
820 | } |
821 | else if (vartype == VAR_CODE) { |
822 | mXPUSHp(key, len); |
823 | } |
824 | } |
825 | } |
26f802f7 |
826 | |
d2b55565 |
827 | void |
828 | get_all_symbols(self, vartype=VAR_NONE) |
829 | SV *self |
830 | vartype_t vartype |
831 | PREINIT: |
832 | HV *namespace, *ret; |
833 | SV *val; |
834 | char *key; |
835 | I32 len; |
836 | PPCODE: |
837 | namespace = _get_namespace(self); |
838 | ret = newHV(); |
839 | |
840 | hv_iterinit(namespace); |
841 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
842 | GV *gv = (GV*)val; |
843 | |
4849f4fc |
844 | if (!isGV(gv)) { |
845 | SV *keysv = newSVpvn(key, len); |
846 | _expand_glob(self, keysv); |
847 | SvREFCNT_dec(keysv); |
848 | } |
d2b55565 |
849 | |
850 | switch (vartype) { |
851 | case VAR_SCALAR: |
852 | if (GvSVOK(val)) |
853 | hv_store(ret, key, len, newRV_inc(GvSV(gv)), 0); |
854 | break; |
855 | case VAR_ARRAY: |
856 | if (GvAVOK(val)) |
857 | hv_store(ret, key, len, newRV_inc((SV*)GvAV(gv)), 0); |
858 | break; |
859 | case VAR_HASH: |
860 | if (GvHVOK(val)) |
861 | hv_store(ret, key, len, newRV_inc((SV*)GvHV(gv)), 0); |
862 | break; |
863 | case VAR_CODE: |
864 | if (GvCVOK(val)) |
865 | hv_store(ret, key, len, newRV_inc((SV*)GvCV(gv)), 0); |
866 | break; |
867 | case VAR_IO: |
868 | if (GvIOOK(val)) |
869 | hv_store(ret, key, len, newRV_inc((SV*)GvIO(gv)), 0); |
870 | break; |
871 | case VAR_NONE: |
872 | hv_store(ret, key, len, SvREFCNT_inc_simple_NN(val), 0); |
873 | break; |
874 | } |
875 | } |
876 | |
877 | mPUSHs(newRV_noinc((SV*)ret)); |
878 | |
26f802f7 |
879 | BOOT: |
880 | { |
e1b6c960 |
881 | const char *vmre = "\\A[0-9A-Z_a-z]+(?:::[0-9A-Z_a-z]+)*\\z"; |
882 | #if (PERL_VERSION < 9) || ((PERL_VERSION == 9) && (PERL_SUBVERSION < 5)) |
883 | PMOP fakepmop; |
884 | |
885 | fakepmop.op_pmflags = 0; |
886 | valid_module_regex = pregcomp(vmre, vmre + strlen(vmre), &fakepmop); |
887 | #else |
78daf8ed |
888 | SV *re; |
889 | |
e1b6c960 |
890 | re = newSVpv(vmre, 0); |
78daf8ed |
891 | valid_module_regex = pregcomp(re, 0); |
e1b6c960 |
892 | #endif |
78daf8ed |
893 | |
26f802f7 |
894 | name_key = newSVpvs("name"); |
895 | PERL_HASH(name_hash, "name", 4); |
896 | |
897 | namespace_key = newSVpvs("namespace"); |
898 | PERL_HASH(namespace_hash, "namespace", 9); |
899 | |
900 | type_key = newSVpvs("type"); |
901 | PERL_HASH(type_hash, "type", 4); |
902 | } |