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 |
19462c57 |
173 | mouse_tc_ScalarRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
174 | assert(sv); |
175 | return SvROK(sv) && !SvOBJECT(SvRV(sv)) && (SvTYPE(SvRV(sv)) <= SVt_PVLV && !isGV(SvRV(sv))); |
176 | } |
177 | |
178 | int |
19462c57 |
179 | mouse_tc_ArrayRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
180 | assert(sv); |
80aa5731 |
181 | return IsArrayRef(sv); |
7d96ae4d |
182 | } |
183 | |
184 | int |
19462c57 |
185 | mouse_tc_HashRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
186 | assert(sv); |
80aa5731 |
187 | return IsHashRef(sv); |
7d96ae4d |
188 | } |
189 | |
190 | int |
19462c57 |
191 | mouse_tc_CodeRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
192 | assert(sv); |
80aa5731 |
193 | return IsCodeRef(sv); |
7d96ae4d |
194 | } |
195 | |
196 | int |
19462c57 |
197 | mouse_tc_RegexpRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
198 | assert(sv); |
199 | return SvRXOK(sv); |
200 | } |
201 | |
202 | int |
19462c57 |
203 | mouse_tc_GlobRef(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
204 | assert(sv); |
205 | return SvROK(sv) && !SvOBJECT(SvRV(sv)) && isGV(SvRV(sv)); |
206 | } |
207 | |
208 | int |
19462c57 |
209 | mouse_tc_FileHandle(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
210 | GV* gv; |
211 | assert(sv); |
212 | |
213 | /* see pp_fileno() in pp_sys.c and Scalar::Util::openhandle() */ |
214 | |
215 | gv = (GV*)(SvROK(sv) ? SvRV(sv) : sv); |
216 | if(isGV(gv) || SvTYPE(gv) == SVt_PVIO){ |
217 | IO* const io = isGV(gv) ? GvIO(gv) : (IO*)gv; |
218 | |
219 | if(io && ( IoIFP(io) || SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar) )){ |
220 | return TRUE; |
221 | } |
222 | } |
223 | |
016e4681 |
224 | return is_an_instance_of("IO::Handle", sv); |
7d96ae4d |
225 | } |
226 | |
227 | int |
19462c57 |
228 | mouse_tc_Object(pTHX_ SV* const data PERL_UNUSED_DECL, SV* const sv) { |
7d96ae4d |
229 | assert(sv); |
230 | return SvROK(sv) && SvOBJECT(SvRV(sv)) && !SvRXOK(sv); |
231 | } |
232 | |
619338ac |
233 | /* Parameterized type constraints */ |
234 | |
f790c46b |
235 | static int |
619338ac |
236 | mouse_parameterized_ArrayRef(pTHX_ SV* const param, SV* const sv) { |
80aa5731 |
237 | if(IsArrayRef(sv)){ |
619338ac |
238 | AV* const av = (AV*)SvRV(sv); |
239 | I32 const len = av_len(av) + 1; |
240 | I32 i; |
241 | for(i = 0; i < len; i++){ |
242 | SV* const value = *av_fetch(av, i, TRUE); |
243 | SvGETMAGIC(value); |
244 | if(!mouse_tc_check(aTHX_ param, value)){ |
245 | return FALSE; |
246 | } |
247 | } |
248 | return TRUE; |
249 | } |
250 | return FALSE; |
251 | } |
252 | |
f790c46b |
253 | static int |
619338ac |
254 | mouse_parameterized_HashRef(pTHX_ SV* const param, SV* const sv) { |
19462c57 |
255 | if(mouse_tc_HashRef(aTHX_ NULL, sv)){ |
619338ac |
256 | HV* const hv = (HV*)SvRV(sv); |
257 | HE* he; |
258 | |
259 | hv_iterinit(hv); |
260 | while((he = hv_iternext(hv))){ |
261 | SV* const value = hv_iterval(hv, he); |
262 | SvGETMAGIC(value); |
263 | if(!mouse_tc_check(aTHX_ param, value)){ |
a1cf0531 |
264 | hv_iterinit(hv); /* reset */ |
619338ac |
265 | return FALSE; |
266 | } |
267 | } |
268 | return TRUE; |
269 | } |
270 | return FALSE; |
271 | } |
272 | |
f790c46b |
273 | static int |
619338ac |
274 | mouse_parameterized_Maybe(pTHX_ SV* const param, SV* const sv) { |
275 | if(SvOK(sv)){ |
276 | return mouse_tc_check(aTHX_ param, sv); |
277 | } |
278 | return TRUE; |
279 | } |
280 | |
f790c46b |
281 | static int |
282 | mouse_types_union_check(pTHX_ AV* const types, SV* const sv) { |
283 | I32 const len = AvFILLp(types) + 1; |
284 | I32 i; |
285 | |
286 | for(i = 0; i < len; i++){ |
287 | if(mouse_tc_check(aTHX_ AvARRAY(types)[i], sv)){ |
288 | return TRUE; |
289 | } |
290 | } |
291 | |
292 | return FALSE; |
293 | } |
294 | |
295 | static int |
296 | mouse_types_check(pTHX_ AV* const types, SV* const sv) { |
297 | I32 const len = AvFILLp(types) + 1; |
298 | I32 i; |
299 | |
300 | ENTER; |
301 | SAVE_DEFSV; |
302 | DEFSV_set(sv); |
303 | |
304 | for(i = 0; i < len; i++){ |
305 | if(!mouse_tc_check(aTHX_ AvARRAY(types)[i], sv)){ |
306 | LEAVE; |
307 | return FALSE; |
308 | } |
309 | } |
310 | |
311 | LEAVE; |
312 | |
313 | return TRUE; |
314 | } |
315 | |
1d5ecd5f |
316 | /* |
317 | * This class_type generator is taken from Scalar::Util::Instance |
318 | */ |
319 | |
320 | #define MY_CXT_KEY "Mouse::Util::TypeConstraints::_guts" XS_VERSION |
321 | typedef struct sui_cxt{ |
322 | GV* universal_isa; |
ebe91068 |
323 | GV* universal_can; |
1d5ecd5f |
324 | } my_cxt_t; |
325 | START_MY_CXT |
326 | |
327 | #define MG_klass_stash(mg) ((HV*)(mg)->mg_obj) |
328 | #define MG_klass_pv(mg) ((mg)->mg_ptr) |
329 | #define MG_klass_len(mg) ((mg)->mg_len) |
330 | |
441964ce |
331 | static const char* |
f48920c1 |
332 | mouse_canonicalize_package_name(const char* name){ |
1d5ecd5f |
333 | |
334 | /* "::Foo" -> "Foo" */ |
335 | if(name[0] == ':' && name[1] == ':'){ |
336 | name += 2; |
337 | } |
338 | |
339 | /* "main::main::main::Foo" -> "Foo" */ |
340 | while(strnEQ(name, "main::", sizeof("main::")-1)){ |
341 | name += sizeof("main::")-1; |
342 | } |
343 | |
344 | return name; |
345 | } |
346 | |
347 | static int |
441964ce |
348 | mouse_lookup_isa(pTHX_ HV* const instance_stash, const char* const klass_pv){ |
1d5ecd5f |
349 | AV* const linearized_isa = mro_get_linear_isa(instance_stash); |
350 | SV** svp = AvARRAY(linearized_isa); |
351 | SV** const end = svp + AvFILLp(linearized_isa) + 1; |
352 | |
353 | while(svp != end){ |
354 | assert(SvPVX(*svp)); |
f48920c1 |
355 | if(strEQ(klass_pv, mouse_canonicalize_package_name(SvPVX(*svp)))){ |
1d5ecd5f |
356 | return TRUE; |
357 | } |
358 | svp++; |
359 | } |
360 | return FALSE; |
361 | } |
362 | |
ce89cb68 |
363 | #define find_method_pvn(a, b, c) mouse_stash_find_method(aTHX_ a, b, c) |
364 | #define find_method_pvs(a, b) mouse_stash_find_method(aTHX_ a, STR_WITH_LEN(b)) |
365 | |
366 | static inline GV* |
367 | mouse_stash_find_method(pTHX_ HV* const stash, const char* const name, I32 const namelen){ |
368 | GV** const gvp = (GV**)hv_fetch(stash, name, namelen, FALSE); |
369 | if(gvp && isGV(*gvp) && GvCV(*gvp)){ /* shortcut */ |
370 | return *gvp; |
371 | } |
372 | |
373 | return gv_fetchmeth_autoload(stash, name, namelen, 0); |
374 | } |
375 | |
441964ce |
376 | int |
377 | mouse_is_an_instance_of(pTHX_ HV* const stash, SV* const instance){ |
378 | assert(stash); |
379 | assert(SvTYPE(stash) == SVt_PVHV); |
380 | |
016e4681 |
381 | if(IsObject(instance)){ |
441964ce |
382 | dMY_CXT; |
383 | HV* const instance_stash = SvSTASH(SvRV(instance)); |
ce89cb68 |
384 | GV* const instance_isa = find_method_pvs(instance_stash, "isa"); |
441964ce |
385 | |
386 | /* the instance has no own isa method */ |
387 | if(instance_isa == NULL || GvCV(instance_isa) == GvCV(MY_CXT.universal_isa)){ |
388 | return stash == instance_stash |
389 | || mouse_lookup_isa(aTHX_ instance_stash, HvNAME_get(stash)); |
390 | } |
391 | /* the instance has its own isa method */ |
392 | else { |
393 | int retval; |
394 | dSP; |
1d5ecd5f |
395 | |
441964ce |
396 | ENTER; |
397 | SAVETMPS; |
1d5ecd5f |
398 | |
441964ce |
399 | PUSHMARK(SP); |
400 | EXTEND(SP, 2); |
401 | PUSHs(instance); |
402 | mPUSHp(HvNAME_get(stash), HvNAMELEN_get(stash)); |
403 | PUTBACK; |
1d5ecd5f |
404 | |
441964ce |
405 | call_sv((SV*)instance_isa, G_SCALAR); |
1d5ecd5f |
406 | |
441964ce |
407 | SPAGAIN; |
1d5ecd5f |
408 | |
441964ce |
409 | retval = SvTRUEx(POPs); |
1d5ecd5f |
410 | |
441964ce |
411 | PUTBACK; |
1d5ecd5f |
412 | |
441964ce |
413 | FREETMPS; |
414 | LEAVE; |
1d5ecd5f |
415 | |
441964ce |
416 | return retval; |
417 | } |
1d5ecd5f |
418 | } |
441964ce |
419 | return FALSE; |
420 | } |
421 | |
422 | static int |
423 | mouse_is_an_instance_of_universal(pTHX_ SV* const data, SV* const sv){ |
424 | PERL_UNUSED_ARG(data); |
425 | return SvROK(sv) && SvOBJECT(SvRV(sv)); |
1d5ecd5f |
426 | } |
427 | |
ebe91068 |
428 | static int |
429 | mouse_can_methods(pTHX_ AV* const methods, SV* const instance){ |
430 | if(IsObject(instance)){ |
431 | dMY_CXT; |
432 | HV* const mystash = SvSTASH(SvRV(instance)); |
ce89cb68 |
433 | GV* const mycan = find_method_pvs(mystash, "can"); |
434 | bool const use_builtin = (mycan == NULL || GvCV(mycan) == GvCV(MY_CXT.universal_can)) ? TRUE : FALSE; |
ebe91068 |
435 | I32 const len = AvFILLp(methods) + 1; |
436 | I32 i; |
437 | for(i = 0; i < len; i++){ |
438 | SV* const name = MOUSE_av_at(methods, i); |
439 | |
440 | if(use_builtin){ |
ce89cb68 |
441 | if(!find_method_pvn(mystash, SvPVX(name), SvCUR(name))){ |
ebe91068 |
442 | return FALSE; |
443 | } |
444 | } |
445 | else{ |
446 | bool ok; |
447 | dSP; |
448 | |
449 | ENTER; |
450 | SAVETMPS; |
451 | |
452 | PUSHMARK(SP); |
453 | EXTEND(SP, 2); |
454 | PUSHs(instance); |
455 | PUSHs(sv_mortalcopy(name)); |
456 | PUTBACK; |
457 | |
458 | call_method("can", G_SCALAR); |
459 | |
460 | SPAGAIN; |
461 | ok = SvTRUE(TOPs); |
462 | (void)POPs; |
463 | PUTBACK; |
464 | |
465 | FREETMPS; |
466 | LEAVE; |
467 | |
468 | if(!ok){ |
469 | return FALSE; |
470 | } |
471 | } |
472 | } |
473 | return TRUE; |
474 | } |
475 | return FALSE; |
476 | } |
477 | |
441964ce |
478 | static MGVTBL mouse_util_type_constraints_vtbl; /* not used, only for identity */ |
f48920c1 |
479 | |
619338ac |
480 | static CV* |
19462c57 |
481 | mouse_tc_generate(pTHX_ const char* const name, check_fptr_t const fptr, SV* const param) { |
619338ac |
482 | CV* xsub; |
916eb82f |
483 | |
19462c57 |
484 | xsub = newXS(name, XS_Mouse_constraint_check, __FILE__); |
916eb82f |
485 | CvXSUBANY(xsub).any_ptr = sv_magicext( |
486 | (SV*)xsub, |
487 | param, /* mg_obj: refcnt will be increased */ |
488 | PERL_MAGIC_ext, |
489 | &mouse_util_type_constraints_vtbl, |
490 | (void*)fptr, /* mg_ptr */ |
491 | 0 /* mg_len: 0 for static data */ |
492 | ); |
493 | |
494 | if(!name){ |
495 | sv_2mortal((SV*)xsub); |
496 | } |
497 | |
498 | return xsub; |
499 | } |
500 | |
501 | CV* |
672bde7c |
502 | mouse_generate_isa_predicate_for(pTHX_ SV* const klass, const char* const predicate_name){ |
441964ce |
503 | STRLEN klass_len; |
504 | const char* klass_pv = SvPV_const(klass, klass_len); |
916eb82f |
505 | SV* param; |
506 | void* fptr; |
1d5ecd5f |
507 | |
441964ce |
508 | klass_pv = mouse_canonicalize_package_name(klass_pv); |
1d5ecd5f |
509 | |
441964ce |
510 | if(strNE(klass_pv, "UNIVERSAL")){ |
916eb82f |
511 | param = (SV*)gv_stashpvn(klass_pv, klass_len, GV_ADD); |
512 | fptr = (void*)mouse_is_an_instance_of; |
441964ce |
513 | |
514 | } |
515 | else{ |
916eb82f |
516 | param = NULL; |
517 | fptr = (void*)mouse_is_an_instance_of_universal; |
441964ce |
518 | } |
519 | |
19462c57 |
520 | return mouse_tc_generate(aTHX_ predicate_name, fptr, param); |
441964ce |
521 | } |
f48920c1 |
522 | |
ebe91068 |
523 | CV* |
524 | mouse_generate_can_predicate_for(pTHX_ SV* const methods, const char* const predicate_name){ |
525 | AV* av; |
526 | AV* const param = newAV_mortal(); |
527 | I32 len; |
528 | I32 i; |
529 | |
530 | SvGETMAGIC(methods); |
531 | if(!IsArrayRef(methods)){ |
532 | croak("You must pass an ARRAY ref method names"); |
533 | } |
534 | av = (AV*)SvRV(methods); |
535 | |
536 | len = av_len(av) + 1; |
537 | for(i = 0; i < len; i++){ |
538 | SV* const name = *av_fetch(av, i, TRUE); |
539 | STRLEN pvlen; |
540 | const char* const pv = SvPV_const(name, pvlen); |
541 | |
542 | av_push(param, newSVpvn_share(pv, pvlen, 0U)); |
543 | } |
544 | |
545 | return mouse_tc_generate(aTHX_ predicate_name, (check_fptr_t)mouse_can_methods, (SV*)param); |
546 | } |
547 | |
548 | |
19462c57 |
549 | XS(XS_Mouse_constraint_check) { |
1d5ecd5f |
550 | dVAR; |
551 | dXSARGS; |
441964ce |
552 | MAGIC* const mg = (MAGIC*)XSANY.any_ptr; |
1d5ecd5f |
553 | |
441964ce |
554 | if(items < 1){ |
19462c57 |
555 | croak("Too few arguments for type constraint check functions"); |
1d5ecd5f |
556 | } |
557 | |
441964ce |
558 | SvGETMAGIC( ST(0) ); |
559 | ST(0) = boolSV( CALL_FPTR((check_fptr_t)mg->mg_ptr)(aTHX_ mg->mg_obj, ST(0)) ); |
1d5ecd5f |
560 | XSRETURN(1); |
561 | } |
562 | |
563 | static void |
564 | setup_my_cxt(pTHX_ pMY_CXT){ |
565 | MY_CXT.universal_isa = gv_fetchpvs("UNIVERSAL::isa", GV_ADD, SVt_PVCV); |
566 | SvREFCNT_inc_simple_void_NN(MY_CXT.universal_isa); |
ebe91068 |
567 | |
568 | MY_CXT.universal_can = gv_fetchpvs("UNIVERSAL::can", GV_ADD, SVt_PVCV); |
569 | SvREFCNT_inc_simple_void_NN(MY_CXT.universal_can); |
1d5ecd5f |
570 | } |
571 | |
19462c57 |
572 | #define DEFINE_TC(name) mouse_tc_generate(aTHX_ "Mouse::Util::TypeConstraints::" STRINGIFY(name), CAT2(mouse_tc_, name), NULL) |
573 | |
1d5ecd5f |
574 | MODULE = Mouse::Util::TypeConstraints PACKAGE = Mouse::Util::TypeConstraints |
575 | |
646c0371 |
576 | PROTOTYPES: DISABLE |
577 | VERSIONCHECK: DISABLE |
1d5ecd5f |
578 | |
579 | BOOT: |
580 | { |
581 | MY_CXT_INIT; |
582 | setup_my_cxt(aTHX_ aMY_CXT); |
19462c57 |
583 | |
584 | /* setup built-in type constraints */ |
585 | DEFINE_TC(Any); |
586 | DEFINE_TC(Undef); |
587 | DEFINE_TC(Defined); |
588 | DEFINE_TC(Bool); |
589 | DEFINE_TC(Value); |
590 | DEFINE_TC(Ref); |
591 | DEFINE_TC(Str); |
592 | DEFINE_TC(Num); |
593 | DEFINE_TC(Int); |
594 | DEFINE_TC(ScalarRef); |
595 | DEFINE_TC(ArrayRef); |
596 | DEFINE_TC(HashRef); |
597 | DEFINE_TC(CodeRef); |
598 | DEFINE_TC(GlobRef); |
599 | DEFINE_TC(FileHandle); |
600 | DEFINE_TC(RegexpRef); |
601 | DEFINE_TC(Object); |
602 | DEFINE_TC(ClassName); |
603 | DEFINE_TC(RoleName); |
1d5ecd5f |
604 | } |
605 | |
606 | #ifdef USE_ITHREADS |
607 | |
608 | void |
609 | CLONE(...) |
610 | CODE: |
611 | { |
612 | MY_CXT_CLONE; |
613 | setup_my_cxt(aTHX_ aMY_CXT); |
614 | PERL_UNUSED_VAR(items); |
615 | } |
616 | |
617 | #endif /* !USE_ITHREADS */ |
618 | |
19462c57 |
619 | #define MOUSE_TC_MAYBE 0 |
620 | #define MOUSE_TC_ARRAY_REF 1 |
621 | #define MOUSE_TC_HASH_REF 2 |
1d5ecd5f |
622 | |
619338ac |
623 | CV* |
624 | _parameterize_ArrayRef_for(SV* param) |
625 | ALIAS: |
626 | _parameterize_ArrayRef_for = MOUSE_TC_ARRAY_REF |
627 | _parameterize_HashRef_for = MOUSE_TC_HASH_REF |
628 | _parameterize_Maybe_for = MOUSE_TC_MAYBE |
629 | CODE: |
630 | { |
631 | check_fptr_t fptr; |
632 | SV* const tc_code = mcall0s(param, "_compiled_type_constraint"); |
80aa5731 |
633 | if(!IsCodeRef(tc_code)){ |
619338ac |
634 | croak("_compiled_type_constraint didn't return a CODE reference"); |
635 | } |
636 | |
637 | switch(ix){ |
638 | case MOUSE_TC_ARRAY_REF: |
639 | fptr = mouse_parameterized_ArrayRef; |
640 | break; |
641 | case MOUSE_TC_HASH_REF: |
642 | fptr = mouse_parameterized_HashRef; |
643 | break; |
644 | default: /* Maybe type */ |
645 | fptr = mouse_parameterized_Maybe; |
646 | } |
19462c57 |
647 | RETVAL = mouse_tc_generate(aTHX_ NULL, fptr, tc_code); |
619338ac |
648 | } |
649 | OUTPUT: |
650 | RETVAL |
651 | |
f790c46b |
652 | MODULE = Mouse::Util::TypeConstraints PACKAGE = Mouse::Meta::TypeConstraint |
653 | |
a4b901ac |
654 | BOOT: |
655 | INSTALL_SIMPLE_READER(TypeConstraint, name); |
656 | INSTALL_SIMPLE_READER(TypeConstraint, parent); |
657 | INSTALL_SIMPLE_READER(TypeConstraint, message); |
658 | |
659 | INSTALL_SIMPLE_READER_WITH_KEY(TypeConstraint, _compiled_type_constraint, compiled_type_constraint); |
660 | INSTALL_SIMPLE_READER(TypeConstraint, _compiled_type_coercion); /* Mouse specific */ |
661 | |
662 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(TypeConstraint, has_coercion, _compiled_type_coercion); |
663 | |
f790c46b |
664 | void |
665 | compile_type_constraint(SV* self) |
666 | CODE: |
667 | { |
6fab29c6 |
668 | AV* const checks = newAV_mortal(); |
f790c46b |
669 | SV* check; /* check function */ |
670 | SV* parent; |
671 | SV* types_ref; |
672 | |
f790c46b |
673 | for(parent = get_slots(self, "parent"); parent; parent = get_slots(parent, "parent")){ |
674 | check = get_slots(parent, "hand_optimized_type_constraint"); |
675 | if(check && SvOK(check)){ |
19462c57 |
676 | if(!mouse_tc_CodeRef(aTHX_ NULL, check)){ |
f790c46b |
677 | croak("Not a CODE reference"); |
678 | } |
679 | av_unshift(checks, 1); |
680 | av_store(checks, 0, newSVsv(check)); |
681 | break; /* a hand optimized constraint must include all the parent */ |
682 | } |
683 | |
684 | check = get_slots(parent, "constraint"); |
685 | if(check && SvOK(check)){ |
19462c57 |
686 | if(!mouse_tc_CodeRef(aTHX_ NULL, check)){ |
f790c46b |
687 | croak("Not a CODE reference"); |
688 | } |
689 | av_unshift(checks, 1); |
690 | av_store(checks, 0, newSVsv(check)); |
691 | } |
692 | } |
693 | |
694 | check = get_slots(self, "constraint"); |
695 | if(check && SvOK(check)){ |
19462c57 |
696 | if(!mouse_tc_CodeRef(aTHX_ NULL, check)){ |
f790c46b |
697 | croak("Not a CODE reference"); |
698 | } |
699 | av_push(checks, newSVsv(check)); |
700 | } |
701 | |
702 | types_ref = get_slots(self, "type_constraints"); |
703 | if(types_ref && SvOK(types_ref)){ /* union type */ |
704 | AV* types; |
705 | AV* union_checks; |
706 | CV* union_check; |
707 | I32 len; |
708 | I32 i; |
709 | |
80aa5731 |
710 | if(!IsArrayRef(types_ref)){ |
f790c46b |
711 | croak("Not an ARRAY reference"); |
712 | } |
713 | types = (AV*)SvRV(types_ref); |
714 | len = av_len(types) + 1; |
715 | |
6fab29c6 |
716 | union_checks = newAV_mortal(); |
f790c46b |
717 | |
718 | for(i = 0; i < len; i++){ |
719 | SV* const tc = *av_fetch(types, i, TRUE); |
720 | SV* const c = get_slots(tc, "compiled_type_constraint"); |
19462c57 |
721 | if(!(c && mouse_tc_CodeRef(aTHX_ NULL, c))){ |
f790c46b |
722 | sv_dump(self); |
723 | croak("'%"SVf"' has no compiled type constraint", self); |
724 | } |
725 | av_push(union_checks, newSVsv(c)); |
726 | } |
727 | |
19462c57 |
728 | union_check = mouse_tc_generate(aTHX_ NULL, (check_fptr_t)mouse_types_union_check, (SV*)union_checks); |
f790c46b |
729 | av_push(checks, newRV_inc((SV*)union_check)); |
730 | } |
731 | |
732 | if(AvFILLp(checks) < 0){ |
733 | check = newRV_inc((SV*)get_cv("Mouse::Util::TypeConstraints::Any", TRUE)); |
734 | } |
735 | else{ |
19462c57 |
736 | check = newRV_inc((SV*)mouse_tc_generate(aTHX_ NULL, (check_fptr_t)mouse_types_check, (SV*)checks)); |
f790c46b |
737 | } |
738 | set_slots(self, "compiled_type_constraint", check); |
739 | } |
740 | |