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; \ |
96545a9d |
104 | mro_method_changed_in(GvSTASH(g)); \ |
d551a208 |
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 | |
e006ab79 |
327 | static void _real_gv_init(GV *gv, HV *stash, SV *name) |
328 | { |
329 | char *name_pv; |
330 | STRLEN name_len; |
331 | |
332 | name_pv = SvPV(name, name_len); |
333 | gv_init(gv, stash, name_pv, name_len, 1); |
7ce1a95b |
334 | |
335 | /* XXX: copied and pasted from gv_fetchpvn_flags and such */ |
336 | /* ignoring the stuff for CORE:: and main:: for now, and also |
337 | * ignoring the GvMULTI_on bits, since we pass 1 to gv_init above */ |
338 | switch (name_pv[0]) { |
339 | case 'I': |
340 | if (strEQ(&name_pv[1], "SA")) { |
341 | AV *av; |
342 | |
343 | av = GvAVn(gv); |
344 | sv_magic(MUTABLE_SV(av), MUTABLE_SV(gv), PERL_MAGIC_isa, |
345 | NULL, 0); |
346 | } |
347 | break; |
348 | case 'O': |
349 | if (strEQ(&name_pv[1], "VERLOAD")) { |
350 | HV *hv; |
351 | |
352 | hv = GvHVn(gv); |
353 | hv_magic(hv, NULL, PERL_MAGIC_overload); |
354 | } |
355 | break; |
356 | default: |
357 | break; |
358 | } |
e006ab79 |
359 | } |
360 | |
bf460ff3 |
361 | static void _expand_glob(SV *self, SV *varname) |
60b395a1 |
362 | { |
5e738664 |
363 | HV *namespace; |
364 | HE *entry; |
365 | GV *glob; |
366 | |
367 | namespace = _get_namespace(self); |
368 | |
369 | if (entry = hv_fetch_ent(namespace, varname, 0, 0)) { |
370 | glob = (GV*)HeVAL(entry); |
371 | if (isGV(glob)) { |
372 | croak("_expand_glob called on stash slot with expanded glob"); |
373 | } |
374 | else { |
5e738664 |
375 | SvREFCNT_inc(glob); |
e006ab79 |
376 | _real_gv_init(glob, namespace, varname); |
5e738664 |
377 | if (!hv_store_ent(namespace, varname, (SV*)glob, 0)) { |
378 | croak("hv_store failed"); |
379 | } |
380 | } |
381 | } |
382 | else { |
383 | croak("_expand_glob called on nonexistent stash slot"); |
384 | } |
60b395a1 |
385 | } |
386 | |
bf460ff3 |
387 | static SV *_get_symbol(SV *self, varspec_t *variable, int vivify) |
4871b1a0 |
388 | { |
389 | HV *namespace; |
4849f4fc |
390 | HE *entry; |
4871b1a0 |
391 | GV *glob; |
392 | |
393 | namespace = _get_namespace(self); |
4849f4fc |
394 | entry = hv_fetch_ent(namespace, variable->name, vivify, 0); |
4871b1a0 |
395 | if (!entry) |
396 | return NULL; |
397 | |
4849f4fc |
398 | glob = (GV*)(HeVAL(entry)); |
60b395a1 |
399 | if (!isGV(glob)) |
400 | _expand_glob(self, variable->name); |
4871b1a0 |
401 | |
402 | if (vivify) { |
403 | switch (variable->type) { |
404 | case VAR_SCALAR: |
d551a208 |
405 | if (!GvSVOK(glob)) |
406 | GvSetSV(glob, newSV(0)); |
4871b1a0 |
407 | break; |
408 | case VAR_ARRAY: |
d551a208 |
409 | if (!GvAVOK(glob)) |
410 | GvSetAV(glob, newAV()); |
4871b1a0 |
411 | break; |
412 | case VAR_HASH: |
d551a208 |
413 | if (!GvHVOK(glob)) |
414 | GvSetHV(glob, newHV()); |
4871b1a0 |
415 | break; |
416 | case VAR_CODE: |
417 | croak("Don't know how to vivify CODE variables"); |
418 | case VAR_IO: |
d551a208 |
419 | if (!GvIOOK(glob)) |
420 | GvSetIO(glob, newIO()); |
4871b1a0 |
421 | break; |
422 | default: |
423 | croak("Unknown type in vivication"); |
424 | } |
425 | } |
426 | |
427 | switch (variable->type) { |
428 | case VAR_SCALAR: |
429 | return GvSV(glob); |
430 | case VAR_ARRAY: |
431 | return (SV*)GvAV(glob); |
432 | case VAR_HASH: |
433 | return (SV*)GvHV(glob); |
434 | case VAR_CODE: |
435 | return (SV*)GvCV(glob); |
436 | case VAR_IO: |
437 | return (SV*)GvIO(glob); |
438 | default: |
439 | return NULL; |
440 | } |
441 | } |
442 | |
c53d2df2 |
443 | MODULE = Package::Stash::XS PACKAGE = Package::Stash::XS |
59017825 |
444 | |
be2a7e99 |
445 | PROTOTYPES: DISABLE |
446 | |
59017825 |
447 | SV* |
8860963a |
448 | new(class, package) |
4849f4fc |
449 | SV *class |
8860963a |
450 | SV *package |
3496f1e8 |
451 | PREINIT: |
59017825 |
452 | HV *instance; |
59017825 |
453 | CODE: |
8860963a |
454 | if (SvPOK(package)) { |
455 | if (!_is_valid_module_name(package)) |
456 | croak("%s is not a module name", SvPV_nolen(package)); |
59017825 |
457 | |
8860963a |
458 | instance = newHV(); |
78daf8ed |
459 | |
8860963a |
460 | if (!hv_store(instance, "name", 4, SvREFCNT_inc_simple_NN(package), 0)) { |
461 | SvREFCNT_dec(package); |
462 | SvREFCNT_dec(instance); |
463 | croak("Couldn't initialize the 'name' key, hv_store failed"); |
464 | } |
465 | } |
466 | else if (SvROK(package) && SvTYPE(SvRV(package)) == SVt_PVHV) { |
467 | instance = newHV(); |
59017825 |
468 | |
8860963a |
469 | if (!hv_store(instance, "namespace", 9, SvREFCNT_inc_simple_NN(package), 0)) { |
470 | SvREFCNT_dec(package); |
471 | SvREFCNT_dec(instance); |
472 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
473 | } |
474 | } |
475 | else { |
476 | croak("Package::Stash->new must be passed the name of the package to access"); |
1d6c978b |
477 | } |
59017825 |
478 | |
4849f4fc |
479 | RETVAL = sv_bless(newRV_noinc((SV*)instance), gv_stashsv(class, 0)); |
59017825 |
480 | OUTPUT: |
481 | RETVAL |
194acf47 |
482 | |
483 | SV* |
484 | name(self) |
485 | SV *self |
3496f1e8 |
486 | PREINIT: |
26f802f7 |
487 | HE *slot; |
194acf47 |
488 | CODE: |
489 | if (!sv_isobject(self)) |
490 | croak("Can't call name as a class method"); |
8860963a |
491 | if (slot = hv_fetch_ent((HV*)SvRV(self), name_key, 0, name_hash)) { |
492 | RETVAL = SvREFCNT_inc_simple_NN(HeVAL(slot)); |
493 | } |
494 | else { |
495 | croak("Can't get the name of an anonymous package"); |
496 | } |
194acf47 |
497 | OUTPUT: |
498 | RETVAL |
499 | |
500 | SV* |
501 | namespace(self) |
502 | SV *self |
3496f1e8 |
503 | PREINIT: |
26f802f7 |
504 | HE *slot; |
7c3b261c |
505 | SV *package_name; |
194acf47 |
506 | CODE: |
507 | if (!sv_isobject(self)) |
508 | croak("Can't call namespace as a class method"); |
7c3b261c |
509 | #if PERL_VERSION < 10 |
510 | package_name = _get_name(self); |
511 | RETVAL = newRV_inc((SV*)gv_stashpv(SvPV_nolen(package_name), GV_ADD)); |
512 | #else |
26f802f7 |
513 | slot = hv_fetch_ent((HV*)SvRV(self), namespace_key, 0, namespace_hash); |
31263168 |
514 | if (slot) { |
515 | RETVAL = SvREFCNT_inc_simple_NN(HeVAL(slot)); |
516 | } |
517 | else { |
518 | HV *namespace; |
7c3b261c |
519 | SV *nsref; |
31263168 |
520 | |
521 | package_name = _get_name(self); |
522 | namespace = gv_stashpv(SvPV_nolen(package_name), GV_ADD); |
523 | nsref = newRV_inc((SV*)namespace); |
524 | sv_rvweaken(nsref); |
525 | if (!hv_store((HV*)SvRV(self), "namespace", 9, nsref, 0)) { |
526 | SvREFCNT_dec(nsref); |
527 | SvREFCNT_dec(self); |
528 | croak("Couldn't initialize the 'namespace' key, hv_store failed"); |
529 | } |
530 | RETVAL = SvREFCNT_inc_simple_NN(nsref); |
531 | } |
7c3b261c |
532 | #endif |
194acf47 |
533 | OUTPUT: |
534 | RETVAL |
3fd56b4d |
535 | |
536 | void |
15c104e2 |
537 | add_symbol(self, variable, initial=NULL, ...) |
76f7c306 |
538 | SV *self |
539 | varspec_t variable |
540 | SV *initial |
541 | PREINIT: |
76f7c306 |
542 | GV *glob; |
e290a036 |
543 | HV *namespace; |
544 | HE *entry; |
76f7c306 |
545 | CODE: |
546 | if (initial && !_valid_for_type(initial, variable.type)) |
547 | croak("%s is not of type %s", |
548 | SvPV_nolen(initial), vartype_to_string(variable.type)); |
549 | |
76f7c306 |
550 | if (items > 2 && (PL_perldb & 0x10) && variable.type == VAR_CODE) { |
551 | int i; |
4849f4fc |
552 | char *filename = NULL; |
d1d0e437 |
553 | I32 first_line_num = -1, last_line_num = -1; |
e290a036 |
554 | SV *dbval, *name; |
d1d0e437 |
555 | HV *dbsub; |
76f7c306 |
556 | |
557 | if ((items - 3) % 2) |
15c104e2 |
558 | croak("add_symbol: Odd number of elements in %%opts"); |
76f7c306 |
559 | |
560 | for (i = 3; i < items; i += 2) { |
561 | char *key; |
562 | key = SvPV_nolen(ST(i)); |
563 | if (strEQ(key, "filename")) { |
564 | if (!SvPOK(ST(i + 1))) |
15c104e2 |
565 | croak("add_symbol: filename must be a string"); |
76f7c306 |
566 | filename = SvPV_nolen(ST(i + 1)); |
567 | } |
568 | else if (strEQ(key, "first_line_num")) { |
569 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
570 | croak("add_symbol: first_line_num must be an integer"); |
76f7c306 |
571 | first_line_num = SvIV(ST(i + 1)); |
572 | } |
573 | else if (strEQ(key, "last_line_num")) { |
574 | if (!SvIOK(ST(i + 1))) |
15c104e2 |
575 | croak("add_symbol: last_line_num must be an integer"); |
76f7c306 |
576 | last_line_num = SvIV(ST(i + 1)); |
577 | } |
578 | } |
579 | |
d1d0e437 |
580 | if (!filename || first_line_num == -1) { |
d1d0e437 |
581 | if (!filename) |
e0162997 |
582 | filename = CopFILE(PL_curcop); |
d1d0e437 |
583 | if (first_line_num == -1) |
e0162997 |
584 | first_line_num = PL_curcop->cop_line; |
d1d0e437 |
585 | } |
586 | |
587 | if (last_line_num == -1) |
588 | last_line_num = first_line_num; |
589 | |
e290a036 |
590 | name = newSVsv(_get_name(self)); |
591 | sv_catpvs(name, "::"); |
592 | sv_catsv(name, variable.name); |
593 | |
d1d0e437 |
594 | /* http://perldoc.perl.org/perldebguts.html#Debugger-Internals */ |
595 | dbsub = get_hv("DB::sub", 1); |
596 | dbval = newSVpvf("%s:%d-%d", filename, first_line_num, last_line_num); |
4849f4fc |
597 | if (!hv_store_ent(dbsub, name, dbval, 0)) { |
598 | warn("Failed to update $DB::sub for subroutine %s", |
599 | SvPV_nolen(name)); |
d1d0e437 |
600 | SvREFCNT_dec(dbval); |
76f7c306 |
601 | } |
e290a036 |
602 | |
603 | SvREFCNT_dec(name); |
76f7c306 |
604 | } |
76f7c306 |
605 | |
9aa6fe4f |
606 | /* GV_ADDMULTI rather than GV_ADD because otherwise you get 'used only |
607 | * once' warnings in some situations... i can't reproduce this, but CMOP |
608 | * triggers it */ |
e290a036 |
609 | namespace = _get_namespace(self); |
610 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
611 | if (entry) { |
612 | glob = (GV*)HeVAL(entry); |
613 | } |
614 | else { |
615 | glob = (GV*)newSV(0); |
e006ab79 |
616 | _real_gv_init(glob, namespace, variable.name); |
e290a036 |
617 | if (!hv_store_ent(namespace, variable.name, (SV*)glob, 0)) { |
618 | croak("hv_store failed"); |
619 | } |
620 | } |
76f7c306 |
621 | |
622 | if (initial) { |
623 | SV *val; |
624 | |
625 | if (SvROK(initial)) { |
626 | val = SvRV(initial); |
a2fec41a |
627 | SvREFCNT_inc_simple_void_NN(val); |
76f7c306 |
628 | } |
629 | else { |
630 | val = newSVsv(initial); |
631 | } |
632 | |
633 | switch (variable.type) { |
634 | case VAR_SCALAR: |
d551a208 |
635 | GvSetSV(glob, val); |
76f7c306 |
636 | break; |
637 | case VAR_ARRAY: |
d551a208 |
638 | GvSetAV(glob, val); |
76f7c306 |
639 | break; |
640 | case VAR_HASH: |
d551a208 |
641 | GvSetHV(glob, val); |
76f7c306 |
642 | break; |
643 | case VAR_CODE: |
d551a208 |
644 | GvSetCV(glob, val); |
76f7c306 |
645 | break; |
646 | case VAR_IO: |
d551a208 |
647 | GvSetIO(glob, val); |
76f7c306 |
648 | break; |
649 | } |
650 | } |
651 | |
652 | void |
4849f4fc |
653 | remove_glob(self, name) |
3fd56b4d |
654 | SV *self |
4849f4fc |
655 | SV *name |
3fd56b4d |
656 | CODE: |
4849f4fc |
657 | hv_delete_ent(_get_namespace(self), name, G_DISCARD, 0); |
9b608466 |
658 | |
34805376 |
659 | int |
15c104e2 |
660 | has_symbol(self, variable) |
34805376 |
661 | SV *self |
662 | varspec_t variable |
663 | PREINIT: |
664 | HV *namespace; |
4849f4fc |
665 | HE *entry; |
666 | SV *val; |
34805376 |
667 | CODE: |
668 | namespace = _get_namespace(self); |
4849f4fc |
669 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
34805376 |
670 | if (!entry) |
671 | XSRETURN_UNDEF; |
672 | |
4849f4fc |
673 | val = HeVAL(entry); |
674 | if (isGV(val)) { |
675 | GV *glob = (GV*)val; |
34805376 |
676 | switch (variable.type) { |
677 | case VAR_SCALAR: |
d551a208 |
678 | RETVAL = GvSVOK(glob) ? 1 : 0; |
34805376 |
679 | break; |
680 | case VAR_ARRAY: |
d551a208 |
681 | RETVAL = GvAVOK(glob) ? 1 : 0; |
34805376 |
682 | break; |
683 | case VAR_HASH: |
d551a208 |
684 | RETVAL = GvHVOK(glob) ? 1 : 0; |
34805376 |
685 | break; |
686 | case VAR_CODE: |
d551a208 |
687 | RETVAL = GvCVOK(glob) ? 1 : 0; |
34805376 |
688 | break; |
689 | case VAR_IO: |
d551a208 |
690 | RETVAL = GvIOOK(glob) ? 1 : 0; |
34805376 |
691 | break; |
692 | } |
693 | } |
694 | else { |
695 | RETVAL = (variable.type == VAR_CODE); |
696 | } |
697 | OUTPUT: |
698 | RETVAL |
699 | |
e3ad44fd |
700 | SV* |
15c104e2 |
701 | get_symbol(self, variable) |
e3ad44fd |
702 | SV *self |
703 | varspec_t variable |
704 | PREINIT: |
fca4ed0c |
705 | SV *val; |
e3ad44fd |
706 | CODE: |
15c104e2 |
707 | val = _get_symbol(self, &variable, 0); |
4871b1a0 |
708 | if (!val) |
e3ad44fd |
709 | XSRETURN_UNDEF; |
93c36417 |
710 | RETVAL = newRV_inc(val); |
4871b1a0 |
711 | OUTPUT: |
712 | RETVAL |
e3ad44fd |
713 | |
4871b1a0 |
714 | SV* |
15c104e2 |
715 | get_or_add_symbol(self, variable) |
4871b1a0 |
716 | SV *self |
717 | varspec_t variable |
718 | PREINIT: |
719 | SV *val; |
720 | CODE: |
15c104e2 |
721 | val = _get_symbol(self, &variable, 1); |
fca4ed0c |
722 | if (!val) |
723 | XSRETURN_UNDEF; |
93c36417 |
724 | RETVAL = newRV_inc(val); |
e3ad44fd |
725 | OUTPUT: |
726 | RETVAL |
727 | |
9b608466 |
728 | void |
15c104e2 |
729 | remove_symbol(self, variable) |
215f49f8 |
730 | SV *self |
731 | varspec_t variable |
732 | PREINIT: |
733 | HV *namespace; |
4849f4fc |
734 | HE *entry; |
735 | SV *val; |
215f49f8 |
736 | CODE: |
737 | namespace = _get_namespace(self); |
4849f4fc |
738 | entry = hv_fetch_ent(namespace, variable.name, 0, 0); |
215f49f8 |
739 | if (!entry) |
740 | XSRETURN_EMPTY; |
741 | |
4849f4fc |
742 | val = HeVAL(entry); |
743 | if (isGV(val)) { |
744 | GV *glob = (GV*)val; |
215f49f8 |
745 | switch (variable.type) { |
746 | case VAR_SCALAR: |
d551a208 |
747 | GvSetSV(glob, NULL); |
215f49f8 |
748 | break; |
749 | case VAR_ARRAY: |
d551a208 |
750 | GvSetAV(glob, NULL); |
215f49f8 |
751 | break; |
752 | case VAR_HASH: |
d551a208 |
753 | GvSetHV(glob, NULL); |
215f49f8 |
754 | break; |
755 | case VAR_CODE: |
d551a208 |
756 | GvSetCV(glob, NULL); |
215f49f8 |
757 | break; |
758 | case VAR_IO: |
d551a208 |
759 | GvSetIO(glob, NULL); |
215f49f8 |
760 | break; |
761 | } |
762 | } |
763 | else { |
764 | if (variable.type == VAR_CODE) { |
4849f4fc |
765 | hv_delete_ent(namespace, variable.name, G_DISCARD, 0); |
215f49f8 |
766 | } |
767 | } |
768 | |
769 | void |
15c104e2 |
770 | list_all_symbols(self, vartype=VAR_NONE) |
9b608466 |
771 | SV *self |
772 | vartype_t vartype |
773 | PPCODE: |
774 | if (vartype == VAR_NONE) { |
775 | HV *namespace; |
776 | HE *entry; |
777 | int keys; |
778 | |
779 | namespace = _get_namespace(self); |
780 | keys = hv_iterinit(namespace); |
781 | EXTEND(SP, keys); |
ebcc8ba8 |
782 | while ((entry = hv_iternext(namespace))) { |
13f8a7b7 |
783 | mPUSHs(newSVhe(entry)); |
9b608466 |
784 | } |
785 | } |
786 | else { |
787 | HV *namespace; |
9b608466 |
788 | SV *val; |
789 | char *key; |
64b79211 |
790 | I32 len; |
9b608466 |
791 | |
792 | namespace = _get_namespace(self); |
793 | hv_iterinit(namespace); |
ebcc8ba8 |
794 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
9b608466 |
795 | GV *gv = (GV*)val; |
796 | if (isGV(gv)) { |
797 | switch (vartype) { |
798 | case VAR_SCALAR: |
d551a208 |
799 | if (GvSVOK(val)) |
9b608466 |
800 | mXPUSHp(key, len); |
801 | break; |
802 | case VAR_ARRAY: |
d551a208 |
803 | if (GvAVOK(val)) |
9b608466 |
804 | mXPUSHp(key, len); |
805 | break; |
806 | case VAR_HASH: |
d551a208 |
807 | if (GvHVOK(val)) |
9b608466 |
808 | mXPUSHp(key, len); |
809 | break; |
810 | case VAR_CODE: |
d551a208 |
811 | if (GvCVOK(val)) |
9b608466 |
812 | mXPUSHp(key, len); |
813 | break; |
814 | case VAR_IO: |
d551a208 |
815 | if (GvIOOK(val)) |
9b608466 |
816 | mXPUSHp(key, len); |
817 | break; |
818 | } |
819 | } |
820 | else if (vartype == VAR_CODE) { |
821 | mXPUSHp(key, len); |
822 | } |
823 | } |
824 | } |
26f802f7 |
825 | |
d2b55565 |
826 | void |
827 | get_all_symbols(self, vartype=VAR_NONE) |
828 | SV *self |
829 | vartype_t vartype |
830 | PREINIT: |
831 | HV *namespace, *ret; |
832 | SV *val; |
833 | char *key; |
834 | I32 len; |
835 | PPCODE: |
836 | namespace = _get_namespace(self); |
837 | ret = newHV(); |
838 | |
839 | hv_iterinit(namespace); |
840 | while ((val = hv_iternextsv(namespace, &key, &len))) { |
841 | GV *gv = (GV*)val; |
842 | |
4849f4fc |
843 | if (!isGV(gv)) { |
844 | SV *keysv = newSVpvn(key, len); |
845 | _expand_glob(self, keysv); |
846 | SvREFCNT_dec(keysv); |
847 | } |
d2b55565 |
848 | |
849 | switch (vartype) { |
850 | case VAR_SCALAR: |
851 | if (GvSVOK(val)) |
852 | hv_store(ret, key, len, newRV_inc(GvSV(gv)), 0); |
853 | break; |
854 | case VAR_ARRAY: |
855 | if (GvAVOK(val)) |
856 | hv_store(ret, key, len, newRV_inc((SV*)GvAV(gv)), 0); |
857 | break; |
858 | case VAR_HASH: |
859 | if (GvHVOK(val)) |
860 | hv_store(ret, key, len, newRV_inc((SV*)GvHV(gv)), 0); |
861 | break; |
862 | case VAR_CODE: |
863 | if (GvCVOK(val)) |
864 | hv_store(ret, key, len, newRV_inc((SV*)GvCV(gv)), 0); |
865 | break; |
866 | case VAR_IO: |
867 | if (GvIOOK(val)) |
868 | hv_store(ret, key, len, newRV_inc((SV*)GvIO(gv)), 0); |
869 | break; |
870 | case VAR_NONE: |
871 | hv_store(ret, key, len, SvREFCNT_inc_simple_NN(val), 0); |
872 | break; |
873 | } |
874 | } |
875 | |
876 | mPUSHs(newRV_noinc((SV*)ret)); |
877 | |
26f802f7 |
878 | BOOT: |
879 | { |
e1b6c960 |
880 | const char *vmre = "\\A[0-9A-Z_a-z]+(?:::[0-9A-Z_a-z]+)*\\z"; |
881 | #if (PERL_VERSION < 9) || ((PERL_VERSION == 9) && (PERL_SUBVERSION < 5)) |
882 | PMOP fakepmop; |
883 | |
884 | fakepmop.op_pmflags = 0; |
885 | valid_module_regex = pregcomp(vmre, vmre + strlen(vmre), &fakepmop); |
886 | #else |
78daf8ed |
887 | SV *re; |
888 | |
e1b6c960 |
889 | re = newSVpv(vmre, 0); |
78daf8ed |
890 | valid_module_regex = pregcomp(re, 0); |
e1b6c960 |
891 | #endif |
78daf8ed |
892 | |
26f802f7 |
893 | name_key = newSVpvs("name"); |
894 | PERL_HASH(name_hash, "name", 4); |
895 | |
896 | namespace_key = newSVpvs("namespace"); |
897 | PERL_HASH(namespace_hash, "namespace", 9); |
898 | |
899 | type_key = newSVpvs("type"); |
900 | PERL_HASH(type_hash, "type", 4); |
901 | } |