Commit | Line | Data |
7d96ae4d |
1 | /* |
2 | * full definition of built-in type constraints (ware in Moose::Util::TypeConstraints::OptimizedConstraints) |
3 | */ |
4 | |
5 | #include "mouse.h" |
6 | |
7 | #if PERL_BCDVERSION >= 0x5008005 |
8 | #define LooksLikeNumber(sv) looks_like_number(sv) |
9 | #else |
10 | #define LooksLikeNumber(sv) ( SvPOKp(sv) ? looks_like_number(sv) : SvNIOKp(sv) ) |
11 | #endif |
12 | |
13 | #ifndef SvRXOK |
14 | #define SvRXOK(sv) (SvROK(sv) && SvMAGICAL(SvRV(sv)) && mg_find(SvRV(sv), PERL_MAGIC_qr)) |
15 | #endif |
16 | |
d33d8840 |
17 | typedef int (*check_fptr_t)(pTHX_ SV* const data, SV* const sv); |
18 | |
1d5ecd5f |
19 | int |
20 | mouse_tc_check(pTHX_ SV* const tc_code, SV* const sv) { |
28ba5a26 |
21 | CV* const cv = (CV*)SvRV(tc_code); |
7ca3334f |
22 | assert(SvTYPE(cv) == SVt_PVCV); |
d33d8840 |
23 | |
19462c57 |
24 | if(CvXSUB(cv) == XS_Mouse_constraint_check){ /* built-in type constraints */ |
7ca3334f |
25 | MAGIC* const mg = (MAGIC*)CvXSUBANY(cv).any_ptr; |
d33d8840 |
26 | |
7ca3334f |
27 | assert(CvXSUBANY(cv).any_ptr != NULL); |
19462c57 |
28 | assert(mg->mg_ptr != NULL); |
28ba5a26 |
29 | |
7ca3334f |
30 | /* call the check function directly, skipping call_sv() */ |
31 | return CALL_FPTR((check_fptr_t)mg->mg_ptr)(aTHX_ mg->mg_obj, sv); |
1d5ecd5f |
32 | } |
7ca3334f |
33 | else { /* custom */ |
1d5ecd5f |
34 | int ok; |
35 | dSP; |
36 | |
37 | ENTER; |
38 | SAVETMPS; |
39 | |
40 | PUSHMARK(SP); |
41 | XPUSHs(sv); |
42 | PUTBACK; |
43 | |
44 | call_sv(tc_code, G_SCALAR); |
45 | |
46 | SPAGAIN; |
47 | ok = SvTRUEx(POPs); |
48 | PUTBACK; |
49 | |
50 | FREETMPS; |
51 | LEAVE; |
52 | |
53 | return ok; |
54 | } |
55 | } |
7d96ae4d |
56 | |
7d96ae4d |
57 | /* |
58 | The following type check functions return an integer, not a bool, to keep them simple, |
59 | so if you assign these return value to bool variable, you must use "expr ? TRUE : FALSE". |
60 | */ |
61 | |
62 | int |
19462c57 |
63 | mouse_tc_Any(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv PERL_UNUSED_DECL) { |
7d96ae4d |
64 | assert(sv); |
65 | return TRUE; |
66 | } |
67 | |
68 | int |
19462c57 |
69 | mouse_tc_Bool(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
70 | assert(sv); |
f6e3b8a9 |
71 | |
72 | if(SvTRUE(sv)){ |
7d96ae4d |
73 | if(SvIOKp(sv)){ |
f6e3b8a9 |
74 | return SvIVX(sv) == 1; |
7d96ae4d |
75 | } |
76 | else if(SvNOKp(sv)){ |
f6e3b8a9 |
77 | return SvNVX(sv) == 1.0; |
7d96ae4d |
78 | } |
f6e3b8a9 |
79 | else if(SvPOKp(sv)){ /* "1" */ |
80 | return SvCUR(sv) == 1 && SvPVX(sv)[0] == '1'; |
7d96ae4d |
81 | } |
82 | else{ |
83 | return FALSE; |
84 | } |
85 | } |
86 | else{ |
90232975 |
87 | /* any false value must be boolean */ |
7d96ae4d |
88 | return TRUE; |
89 | } |
90 | } |
91 | |
92 | int |
19462c57 |
93 | mouse_tc_Undef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
94 | assert(sv); |
95 | return !SvOK(sv); |
96 | } |
97 | |
98 | int |
19462c57 |
99 | mouse_tc_Defined(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
100 | assert(sv); |
101 | return SvOK(sv); |
102 | } |
103 | |
104 | int |
19462c57 |
105 | mouse_tc_Value(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
106 | assert(sv); |
107 | return SvOK(sv) && !SvROK(sv); |
108 | } |
109 | |
110 | int |
19462c57 |
111 | mouse_tc_Num(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
112 | assert(sv); |
113 | return LooksLikeNumber(sv); |
114 | } |
115 | |
116 | int |
19462c57 |
117 | mouse_tc_Int(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
118 | assert(sv); |
119 | if(SvIOKp(sv)){ |
120 | return TRUE; |
121 | } |
122 | else if(SvNOKp(sv)){ |
123 | NV const nv = SvNVX(sv); |
124 | return nv > 0 ? (nv == (NV)(UV)nv) : (nv == (NV)(IV)nv); |
125 | } |
126 | else if(SvPOKp(sv)){ |
127 | int const num_type = grok_number(SvPVX(sv), SvCUR(sv), NULL); |
128 | if(num_type){ |
129 | return !(num_type & IS_NUMBER_NOT_INT); |
130 | } |
131 | } |
132 | return FALSE; |
133 | } |
134 | |
135 | int |
19462c57 |
136 | mouse_tc_Str(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
137 | assert(sv); |
138 | return SvOK(sv) && !SvROK(sv) && !isGV(sv); |
139 | } |
140 | |
141 | int |
19462c57 |
142 | mouse_tc_ClassName(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv){ |
7d96ae4d |
143 | assert(sv); |
144 | return is_class_loaded(sv); |
145 | } |
146 | |
147 | int |
19462c57 |
148 | mouse_tc_RoleName(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
149 | assert(sv); |
150 | if(is_class_loaded(sv)){ |
151 | int ok; |
7d96ae4d |
152 | |
153 | ENTER; |
154 | SAVETMPS; |
155 | |
aa2d2e2c |
156 | ok = is_an_instance_of("Mouse::Meta::Role", get_metaclass(sv)); |
7d96ae4d |
157 | |
158 | FREETMPS; |
159 | LEAVE; |
160 | |
161 | return ok; |
162 | } |
163 | return FALSE; |
164 | } |
165 | |
166 | int |
19462c57 |
167 | mouse_tc_Ref(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
168 | assert(sv); |
169 | return SvROK(sv); |
170 | } |
171 | |
172 | int |
bcf612a8 |
173 | mouse_tc_ScalarRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* sv) { |
7d96ae4d |
174 | assert(sv); |
bcf612a8 |
175 | if(SvROK(sv)){ |
176 | sv = SvRV(sv); |
177 | return !SvOBJECT(sv) && (SvTYPE(sv) <= SVt_PVLV && !isGV(sv)); |
178 | } |
179 | return FALSE; |
7d96ae4d |
180 | } |
181 | |
182 | int |
19462c57 |
183 | mouse_tc_ArrayRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
184 | assert(sv); |
80aa5731 |
185 | return IsArrayRef(sv); |
7d96ae4d |
186 | } |
187 | |
188 | int |
19462c57 |
189 | mouse_tc_HashRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
190 | assert(sv); |
80aa5731 |
191 | return IsHashRef(sv); |
7d96ae4d |
192 | } |
193 | |
194 | int |
19462c57 |
195 | mouse_tc_CodeRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
196 | assert(sv); |
80aa5731 |
197 | return IsCodeRef(sv); |
7d96ae4d |
198 | } |
199 | |
200 | int |
19462c57 |
201 | mouse_tc_RegexpRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
202 | assert(sv); |
203 | return SvRXOK(sv); |
204 | } |
205 | |
206 | int |
19462c57 |
207 | mouse_tc_GlobRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
208 | assert(sv); |
209 | return SvROK(sv) && !SvOBJECT(SvRV(sv)) && isGV(SvRV(sv)); |
210 | } |
211 | |
212 | int |
19462c57 |
213 | mouse_tc_FileHandle(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
214 | GV* gv; |
215 | assert(sv); |
216 | |
217 | /* see pp_fileno() in pp_sys.c and Scalar::Util::openhandle() */ |
218 | |
219 | gv = (GV*)(SvROK(sv) ? SvRV(sv) : sv); |
220 | if(isGV(gv) || SvTYPE(gv) == SVt_PVIO){ |
221 | IO* const io = isGV(gv) ? GvIO(gv) : (IO*)gv; |
222 | |
223 | if(io && ( IoIFP(io) || SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar) )){ |
224 | return TRUE; |
225 | } |
226 | } |
227 | |
016e4681 |
228 | return is_an_instance_of("IO::Handle", sv); |
7d96ae4d |
229 | } |
230 | |
231 | int |
19462c57 |
232 | mouse_tc_Object(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
233 | assert(sv); |
234 | return SvROK(sv) && SvOBJECT(SvRV(sv)) && !SvRXOK(sv); |
235 | } |
236 | |
619338ac |
237 | /* Parameterized type constraints */ |
238 | |
f790c46b |
239 | static int |
619338ac |
240 | mouse_parameterized_ArrayRef(pTHX_ SV* const param, SV* const sv) { |
80aa5731 |
241 | if(IsArrayRef(sv)){ |
619338ac |
242 | AV* const av = (AV*)SvRV(sv); |
243 | I32 const len = av_len(av) + 1; |
244 | I32 i; |
245 | for(i = 0; i < len; i++){ |
246 | SV* const value = *av_fetch(av, i, TRUE); |
247 | SvGETMAGIC(value); |
248 | if(!mouse_tc_check(aTHX_ param, value)){ |
249 | return FALSE; |
250 | } |
251 | } |
252 | return TRUE; |
253 | } |
254 | return FALSE; |
255 | } |
256 | |
f790c46b |
257 | static int |
619338ac |
258 | mouse_parameterized_HashRef(pTHX_ SV* const param, SV* const sv) { |
19462c57 |
259 | if(mouse_tc_HashRef(aTHX_ NULL, sv)){ |
619338ac |
260 | HV* const hv = (HV*)SvRV(sv); |
261 | HE* he; |
262 | |
263 | hv_iterinit(hv); |
264 | while((he = hv_iternext(hv))){ |
265 | SV* const value = hv_iterval(hv, he); |
266 | SvGETMAGIC(value); |
267 | if(!mouse_tc_check(aTHX_ param, value)){ |
a1cf0531 |
268 | hv_iterinit(hv); /* reset */ |
619338ac |
269 | return FALSE; |
270 | } |
271 | } |
272 | return TRUE; |
273 | } |
274 | return FALSE; |
275 | } |
276 | |
f790c46b |
277 | static int |
619338ac |
278 | mouse_parameterized_Maybe(pTHX_ SV* const param, SV* const sv) { |
279 | if(SvOK(sv)){ |
280 | return mouse_tc_check(aTHX_ param, sv); |
281 | } |
282 | return TRUE; |
283 | } |
284 | |
f790c46b |
285 | static int |
286 | mouse_types_union_check(pTHX_ AV* const types, SV* const sv) { |
287 | I32 const len = AvFILLp(types) + 1; |
288 | I32 i; |
289 | |
290 | for(i = 0; i < len; i++){ |
291 | if(mouse_tc_check(aTHX_ AvARRAY(types)[i], sv)){ |
292 | return TRUE; |
293 | } |
294 | } |
295 | |
296 | return FALSE; |
297 | } |
298 | |
299 | static int |
300 | mouse_types_check(pTHX_ AV* const types, SV* const sv) { |
301 | I32 const len = AvFILLp(types) + 1; |
302 | I32 i; |
303 | |
304 | ENTER; |
305 | SAVE_DEFSV; |
306 | DEFSV_set(sv); |
307 | |
308 | for(i = 0; i < len; i++){ |
309 | if(!mouse_tc_check(aTHX_ AvARRAY(types)[i], sv)){ |
310 | LEAVE; |
311 | return FALSE; |
312 | } |
313 | } |
314 | |
315 | LEAVE; |
316 | |
317 | return TRUE; |
318 | } |
319 | |
1d5ecd5f |
320 | /* |
321 | * This class_type generator is taken from Scalar::Util::Instance |
322 | */ |
323 | |
324 | #define MY_CXT_KEY "Mouse::Util::TypeConstraints::_guts" XS_VERSION |
325 | typedef struct sui_cxt{ |
326 | GV* universal_isa; |
ebe91068 |
327 | GV* universal_can; |
1d5ecd5f |
328 | } my_cxt_t; |
329 | START_MY_CXT |
330 | |
331 | #define MG_klass_stash(mg) ((HV*)(mg)->mg_obj) |
332 | #define MG_klass_pv(mg) ((mg)->mg_ptr) |
333 | #define MG_klass_len(mg) ((mg)->mg_len) |
334 | |
441964ce |
335 | static const char* |
f48920c1 |
336 | mouse_canonicalize_package_name(const char* name){ |
1d5ecd5f |
337 | |
338 | /* "::Foo" -> "Foo" */ |
339 | if(name[0] == ':' && name[1] == ':'){ |
340 | name += 2; |
341 | } |
342 | |
343 | /* "main::main::main::Foo" -> "Foo" */ |
344 | while(strnEQ(name, "main::", sizeof("main::")-1)){ |
345 | name += sizeof("main::")-1; |
346 | } |
347 | |
348 | return name; |
349 | } |
350 | |
351 | static int |
441964ce |
352 | mouse_lookup_isa(pTHX_ HV* const instance_stash, const char* const klass_pv){ |
1d5ecd5f |
353 | AV* const linearized_isa = mro_get_linear_isa(instance_stash); |
354 | SV** svp = AvARRAY(linearized_isa); |
355 | SV** const end = svp + AvFILLp(linearized_isa) + 1; |
356 | |
357 | while(svp != end){ |
358 | assert(SvPVX(*svp)); |
f48920c1 |
359 | if(strEQ(klass_pv, mouse_canonicalize_package_name(SvPVX(*svp)))){ |
1d5ecd5f |
360 | return TRUE; |
361 | } |
362 | svp++; |
363 | } |
364 | return FALSE; |
365 | } |
366 | |
ce89cb68 |
367 | #define find_method_pvn(a, b, c) mouse_stash_find_method(aTHX_ a, b, c) |
368 | #define find_method_pvs(a, b) mouse_stash_find_method(aTHX_ a, STR_WITH_LEN(b)) |
369 | |
370 | static inline GV* |
371 | mouse_stash_find_method(pTHX_ HV* const stash, const char* const name, I32 const namelen){ |
372 | GV** const gvp = (GV**)hv_fetch(stash, name, namelen, FALSE); |
373 | if(gvp && isGV(*gvp) && GvCV(*gvp)){ /* shortcut */ |
374 | return *gvp; |
375 | } |
376 | |
377 | return gv_fetchmeth_autoload(stash, name, namelen, 0); |
378 | } |
379 | |
441964ce |
380 | int |
381 | mouse_is_an_instance_of(pTHX_ HV* const stash, SV* const instance){ |
382 | assert(stash); |
383 | assert(SvTYPE(stash) == SVt_PVHV); |
384 | |
016e4681 |
385 | if(IsObject(instance)){ |
441964ce |
386 | dMY_CXT; |
387 | HV* const instance_stash = SvSTASH(SvRV(instance)); |
ce89cb68 |
388 | GV* const instance_isa = find_method_pvs(instance_stash, "isa"); |
441964ce |
389 | |
390 | /* the instance has no own isa method */ |
391 | if(instance_isa == NULL || GvCV(instance_isa) == GvCV(MY_CXT.universal_isa)){ |
392 | return stash == instance_stash |
393 | || mouse_lookup_isa(aTHX_ instance_stash, HvNAME_get(stash)); |
394 | } |
395 | /* the instance has its own isa method */ |
396 | else { |
397 | int retval; |
398 | dSP; |
1d5ecd5f |
399 | |
441964ce |
400 | ENTER; |
401 | SAVETMPS; |
1d5ecd5f |
402 | |
441964ce |
403 | PUSHMARK(SP); |
404 | EXTEND(SP, 2); |
405 | PUSHs(instance); |
406 | mPUSHp(HvNAME_get(stash), HvNAMELEN_get(stash)); |
407 | PUTBACK; |
1d5ecd5f |
408 | |
441964ce |
409 | call_sv((SV*)instance_isa, G_SCALAR); |
1d5ecd5f |
410 | |
441964ce |
411 | SPAGAIN; |
1d5ecd5f |
412 | |
441964ce |
413 | retval = SvTRUEx(POPs); |
1d5ecd5f |
414 | |
441964ce |
415 | PUTBACK; |
1d5ecd5f |
416 | |
441964ce |
417 | FREETMPS; |
418 | LEAVE; |
1d5ecd5f |
419 | |
441964ce |
420 | return retval; |
421 | } |
1d5ecd5f |
422 | } |
441964ce |
423 | return FALSE; |
424 | } |
425 | |
426 | static int |
427 | mouse_is_an_instance_of_universal(pTHX_ SV* const data, SV* const sv){ |
428 | PERL_UNUSED_ARG(data); |
429 | return SvROK(sv) && SvOBJECT(SvRV(sv)); |
1d5ecd5f |
430 | } |
431 | |
ebe91068 |
432 | static int |
433 | mouse_can_methods(pTHX_ AV* const methods, SV* const instance){ |
434 | if(IsObject(instance)){ |
435 | dMY_CXT; |
436 | HV* const mystash = SvSTASH(SvRV(instance)); |
ce89cb68 |
437 | GV* const mycan = find_method_pvs(mystash, "can"); |
438 | bool const use_builtin = (mycan == NULL || GvCV(mycan) == GvCV(MY_CXT.universal_can)) ? TRUE : FALSE; |
ebe91068 |
439 | I32 const len = AvFILLp(methods) + 1; |
440 | I32 i; |
441 | for(i = 0; i < len; i++){ |
442 | SV* const name = MOUSE_av_at(methods, i); |
443 | |
444 | if(use_builtin){ |
ce89cb68 |
445 | if(!find_method_pvn(mystash, SvPVX(name), SvCUR(name))){ |
ebe91068 |
446 | return FALSE; |
447 | } |
448 | } |
449 | else{ |
450 | bool ok; |
451 | dSP; |
452 | |
453 | ENTER; |
454 | SAVETMPS; |
455 | |
456 | PUSHMARK(SP); |
457 | EXTEND(SP, 2); |
458 | PUSHs(instance); |
459 | PUSHs(sv_mortalcopy(name)); |
460 | PUTBACK; |
461 | |
462 | call_method("can", G_SCALAR); |
463 | |
464 | SPAGAIN; |
465 | ok = SvTRUE(TOPs); |
466 | (void)POPs; |
467 | PUTBACK; |
468 | |
469 | FREETMPS; |
470 | LEAVE; |
471 | |
472 | if(!ok){ |
473 | return FALSE; |
474 | } |
475 | } |
476 | } |
477 | return TRUE; |
478 | } |
479 | return FALSE; |
480 | } |
481 | |
441964ce |
482 | static MGVTBL mouse_util_type_constraints_vtbl; /* not used, only for identity */ |
f48920c1 |
483 | |
619338ac |
484 | static CV* |
19462c57 |
485 | mouse_tc_generate(pTHX_ const char* const name, check_fptr_t const fptr, SV* const param) { |
619338ac |
486 | CV* xsub; |
916eb82f |
487 | |
19462c57 |
488 | xsub = newXS(name, XS_Mouse_constraint_check, __FILE__); |
916eb82f |
489 | CvXSUBANY(xsub).any_ptr = sv_magicext( |
490 | (SV*)xsub, |
491 | param, /* mg_obj: refcnt will be increased */ |
492 | PERL_MAGIC_ext, |
493 | &mouse_util_type_constraints_vtbl, |
1b364415 |
494 | (char*)fptr, /* mg_ptr */ |
916eb82f |
495 | 0 /* mg_len: 0 for static data */ |
496 | ); |
497 | |
498 | if(!name){ |
499 | sv_2mortal((SV*)xsub); |
500 | } |
501 | |
502 | return xsub; |
503 | } |
504 | |
505 | CV* |
672bde7c |
506 | mouse_generate_isa_predicate_for(pTHX_ SV* const klass, const char* const predicate_name){ |
441964ce |
507 | STRLEN klass_len; |
508 | const char* klass_pv = SvPV_const(klass, klass_len); |
916eb82f |
509 | SV* param; |
1b364415 |
510 | check_fptr_t fptr; |
1d5ecd5f |
511 | |
441964ce |
512 | klass_pv = mouse_canonicalize_package_name(klass_pv); |
1d5ecd5f |
513 | |
441964ce |
514 | if(strNE(klass_pv, "UNIVERSAL")){ |
916eb82f |
515 | param = (SV*)gv_stashpvn(klass_pv, klass_len, GV_ADD); |
1b364415 |
516 | fptr = (check_fptr_t)mouse_is_an_instance_of; |
441964ce |
517 | |
518 | } |
519 | else{ |
916eb82f |
520 | param = NULL; |
1b364415 |
521 | fptr = (check_fptr_t)mouse_is_an_instance_of_universal; |
441964ce |
522 | } |
523 | |
19462c57 |
524 | return mouse_tc_generate(aTHX_ predicate_name, fptr, param); |
441964ce |
525 | } |
f48920c1 |
526 | |
ebe91068 |
527 | CV* |
528 | mouse_generate_can_predicate_for(pTHX_ SV* const methods, const char* const predicate_name){ |
529 | AV* av; |
530 | AV* const param = newAV_mortal(); |
531 | I32 len; |
532 | I32 i; |
533 | |
534 | SvGETMAGIC(methods); |
535 | if(!IsArrayRef(methods)){ |
536 | croak("You must pass an ARRAY ref method names"); |
537 | } |
538 | av = (AV*)SvRV(methods); |
539 | |
540 | len = av_len(av) + 1; |
541 | for(i = 0; i < len; i++){ |
542 | SV* const name = *av_fetch(av, i, TRUE); |
543 | STRLEN pvlen; |
544 | const char* const pv = SvPV_const(name, pvlen); |
545 | |
546 | av_push(param, newSVpvn_share(pv, pvlen, 0U)); |
547 | } |
548 | |
549 | return mouse_tc_generate(aTHX_ predicate_name, (check_fptr_t)mouse_can_methods, (SV*)param); |
550 | } |
551 | |
552 | |
19462c57 |
553 | XS(XS_Mouse_constraint_check) { |
1d5ecd5f |
554 | dVAR; |
555 | dXSARGS; |
441964ce |
556 | MAGIC* const mg = (MAGIC*)XSANY.any_ptr; |
1d5ecd5f |
557 | |
441964ce |
558 | if(items < 1){ |
19462c57 |
559 | croak("Too few arguments for type constraint check functions"); |
1d5ecd5f |
560 | } |
561 | |
441964ce |
562 | SvGETMAGIC( ST(0) ); |
563 | ST(0) = boolSV( CALL_FPTR((check_fptr_t)mg->mg_ptr)(aTHX_ mg->mg_obj, ST(0)) ); |
1d5ecd5f |
564 | XSRETURN(1); |
565 | } |
566 | |
567 | static void |
568 | setup_my_cxt(pTHX_ pMY_CXT){ |
569 | MY_CXT.universal_isa = gv_fetchpvs("UNIVERSAL::isa", GV_ADD, SVt_PVCV); |
570 | SvREFCNT_inc_simple_void_NN(MY_CXT.universal_isa); |
ebe91068 |
571 | |
572 | MY_CXT.universal_can = gv_fetchpvs("UNIVERSAL::can", GV_ADD, SVt_PVCV); |
573 | SvREFCNT_inc_simple_void_NN(MY_CXT.universal_can); |
1d5ecd5f |
574 | } |
575 | |
19462c57 |
576 | #define DEFINE_TC(name) mouse_tc_generate(aTHX_ "Mouse::Util::TypeConstraints::" STRINGIFY(name), CAT2(mouse_tc_, name), NULL) |
577 | |
1d5ecd5f |
578 | MODULE = Mouse::Util::TypeConstraints PACKAGE = Mouse::Util::TypeConstraints |
579 | |
646c0371 |
580 | PROTOTYPES: DISABLE |
581 | VERSIONCHECK: DISABLE |
1d5ecd5f |
582 | |
583 | BOOT: |
584 | { |
585 | MY_CXT_INIT; |
586 | setup_my_cxt(aTHX_ aMY_CXT); |
19462c57 |
587 | |
588 | /* setup built-in type constraints */ |
589 | DEFINE_TC(Any); |
590 | DEFINE_TC(Undef); |
591 | DEFINE_TC(Defined); |
592 | DEFINE_TC(Bool); |
593 | DEFINE_TC(Value); |
594 | DEFINE_TC(Ref); |
595 | DEFINE_TC(Str); |
596 | DEFINE_TC(Num); |
597 | DEFINE_TC(Int); |
598 | DEFINE_TC(ScalarRef); |
599 | DEFINE_TC(ArrayRef); |
600 | DEFINE_TC(HashRef); |
601 | DEFINE_TC(CodeRef); |
602 | DEFINE_TC(GlobRef); |
603 | DEFINE_TC(FileHandle); |
604 | DEFINE_TC(RegexpRef); |
605 | DEFINE_TC(Object); |
606 | DEFINE_TC(ClassName); |
607 | DEFINE_TC(RoleName); |
1d5ecd5f |
608 | } |
609 | |
610 | #ifdef USE_ITHREADS |
611 | |
612 | void |
613 | CLONE(...) |
614 | CODE: |
615 | { |
616 | MY_CXT_CLONE; |
617 | setup_my_cxt(aTHX_ aMY_CXT); |
618 | PERL_UNUSED_VAR(items); |
619 | } |
620 | |
621 | #endif /* !USE_ITHREADS */ |
622 | |
19462c57 |
623 | #define MOUSE_TC_MAYBE 0 |
624 | #define MOUSE_TC_ARRAY_REF 1 |
625 | #define MOUSE_TC_HASH_REF 2 |
1d5ecd5f |
626 | |
619338ac |
627 | CV* |
628 | _parameterize_ArrayRef_for(SV* param) |
629 | ALIAS: |
630 | _parameterize_ArrayRef_for = MOUSE_TC_ARRAY_REF |
631 | _parameterize_HashRef_for = MOUSE_TC_HASH_REF |
632 | _parameterize_Maybe_for = MOUSE_TC_MAYBE |
633 | CODE: |
634 | { |
635 | check_fptr_t fptr; |
636 | SV* const tc_code = mcall0s(param, "_compiled_type_constraint"); |
80aa5731 |
637 | if(!IsCodeRef(tc_code)){ |
619338ac |
638 | croak("_compiled_type_constraint didn't return a CODE reference"); |
639 | } |
640 | |
641 | switch(ix){ |
642 | case MOUSE_TC_ARRAY_REF: |
643 | fptr = mouse_parameterized_ArrayRef; |
644 | break; |
645 | case MOUSE_TC_HASH_REF: |
646 | fptr = mouse_parameterized_HashRef; |
647 | break; |
648 | default: /* Maybe type */ |
649 | fptr = mouse_parameterized_Maybe; |
650 | } |
19462c57 |
651 | RETVAL = mouse_tc_generate(aTHX_ NULL, fptr, tc_code); |
619338ac |
652 | } |
653 | OUTPUT: |
654 | RETVAL |
655 | |
f790c46b |
656 | MODULE = Mouse::Util::TypeConstraints PACKAGE = Mouse::Meta::TypeConstraint |
657 | |
a4b901ac |
658 | BOOT: |
659 | INSTALL_SIMPLE_READER(TypeConstraint, name); |
660 | INSTALL_SIMPLE_READER(TypeConstraint, parent); |
661 | INSTALL_SIMPLE_READER(TypeConstraint, message); |
662 | |
663 | INSTALL_SIMPLE_READER_WITH_KEY(TypeConstraint, _compiled_type_constraint, compiled_type_constraint); |
664 | INSTALL_SIMPLE_READER(TypeConstraint, _compiled_type_coercion); /* Mouse specific */ |
665 | |
666 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(TypeConstraint, has_coercion, _compiled_type_coercion); |
667 | |
f790c46b |
668 | void |
669 | compile_type_constraint(SV* self) |
670 | CODE: |
671 | { |
6fab29c6 |
672 | AV* const checks = newAV_mortal(); |
f790c46b |
673 | SV* check; /* check function */ |
674 | SV* parent; |
675 | SV* types_ref; |
676 | |
f790c46b |
677 | for(parent = get_slots(self, "parent"); parent; parent = get_slots(parent, "parent")){ |
678 | check = get_slots(parent, "hand_optimized_type_constraint"); |
679 | if(check && SvOK(check)){ |
19462c57 |
680 | if(!mouse_tc_CodeRef(aTHX_ NULL, check)){ |
f790c46b |
681 | croak("Not a CODE reference"); |
682 | } |
683 | av_unshift(checks, 1); |
684 | av_store(checks, 0, newSVsv(check)); |
685 | break; /* a hand optimized constraint must include all the parent */ |
686 | } |
687 | |
688 | check = get_slots(parent, "constraint"); |
689 | if(check && SvOK(check)){ |
19462c57 |
690 | if(!mouse_tc_CodeRef(aTHX_ NULL, check)){ |
f790c46b |
691 | croak("Not a CODE reference"); |
692 | } |
693 | av_unshift(checks, 1); |
694 | av_store(checks, 0, newSVsv(check)); |
695 | } |
696 | } |
697 | |
698 | check = get_slots(self, "constraint"); |
699 | if(check && SvOK(check)){ |
19462c57 |
700 | if(!mouse_tc_CodeRef(aTHX_ NULL, check)){ |
f790c46b |
701 | croak("Not a CODE reference"); |
702 | } |
703 | av_push(checks, newSVsv(check)); |
704 | } |
705 | |
706 | types_ref = get_slots(self, "type_constraints"); |
707 | if(types_ref && SvOK(types_ref)){ /* union type */ |
708 | AV* types; |
709 | AV* union_checks; |
710 | CV* union_check; |
711 | I32 len; |
712 | I32 i; |
713 | |
80aa5731 |
714 | if(!IsArrayRef(types_ref)){ |
f790c46b |
715 | croak("Not an ARRAY reference"); |
716 | } |
717 | types = (AV*)SvRV(types_ref); |
718 | len = av_len(types) + 1; |
719 | |
6fab29c6 |
720 | union_checks = newAV_mortal(); |
f790c46b |
721 | |
722 | for(i = 0; i < len; i++){ |
723 | SV* const tc = *av_fetch(types, i, TRUE); |
724 | SV* const c = get_slots(tc, "compiled_type_constraint"); |
19462c57 |
725 | if(!(c && mouse_tc_CodeRef(aTHX_ NULL, c))){ |
f790c46b |
726 | sv_dump(self); |
727 | croak("'%"SVf"' has no compiled type constraint", self); |
728 | } |
729 | av_push(union_checks, newSVsv(c)); |
730 | } |
731 | |
19462c57 |
732 | union_check = mouse_tc_generate(aTHX_ NULL, (check_fptr_t)mouse_types_union_check, (SV*)union_checks); |
f790c46b |
733 | av_push(checks, newRV_inc((SV*)union_check)); |
734 | } |
735 | |
736 | if(AvFILLp(checks) < 0){ |
737 | check = newRV_inc((SV*)get_cv("Mouse::Util::TypeConstraints::Any", TRUE)); |
738 | } |
739 | else{ |
19462c57 |
740 | check = newRV_inc((SV*)mouse_tc_generate(aTHX_ NULL, (check_fptr_t)mouse_types_check, (SV*)checks)); |
f790c46b |
741 | } |
742 | set_slots(self, "compiled_type_constraint", check); |
743 | } |
744 | |