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 | |
7ca3334f |
24 | if(CvXSUB(cv) == XS_Mouse__Util__TypeConstraints_Item){ /* built-in */ |
7ca3334f |
25 | return mouse_builtin_tc_check(aTHX_ CvXSUBANY(cv).any_iv, sv); |
26 | } |
dfbc0500 |
27 | else if(CvXSUB(cv) == XS_Mouse_parameterized_check){ /* complex type constraints */ |
7ca3334f |
28 | MAGIC* const mg = (MAGIC*)CvXSUBANY(cv).any_ptr; |
d33d8840 |
29 | |
7ca3334f |
30 | assert(CvXSUBANY(cv).any_ptr != NULL); |
28ba5a26 |
31 | |
7ca3334f |
32 | /* call the check function directly, skipping call_sv() */ |
33 | return CALL_FPTR((check_fptr_t)mg->mg_ptr)(aTHX_ mg->mg_obj, sv); |
1d5ecd5f |
34 | } |
7ca3334f |
35 | else { /* custom */ |
1d5ecd5f |
36 | int ok; |
37 | dSP; |
38 | |
39 | ENTER; |
40 | SAVETMPS; |
41 | |
42 | PUSHMARK(SP); |
43 | XPUSHs(sv); |
44 | PUTBACK; |
45 | |
46 | call_sv(tc_code, G_SCALAR); |
47 | |
48 | SPAGAIN; |
49 | ok = SvTRUEx(POPs); |
50 | PUTBACK; |
51 | |
52 | FREETMPS; |
53 | LEAVE; |
54 | |
55 | return ok; |
56 | } |
57 | } |
7d96ae4d |
58 | |
59 | int |
1d5ecd5f |
60 | mouse_builtin_tc_check(pTHX_ mouse_tc const tc, SV* const sv) { |
7d96ae4d |
61 | switch(tc){ |
62 | case MOUSE_TC_ANY: return mouse_tc_Any(aTHX_ sv); |
63 | case MOUSE_TC_ITEM: return mouse_tc_Any(aTHX_ sv); |
f790c46b |
64 | case MOUSE_TC_MAYBE: return mouse_tc_Any(aTHX_ sv); |
7d96ae4d |
65 | case MOUSE_TC_UNDEF: return mouse_tc_Undef(aTHX_ sv); |
66 | case MOUSE_TC_DEFINED: return mouse_tc_Defined(aTHX_ sv); |
67 | case MOUSE_TC_BOOL: return mouse_tc_Bool(aTHX_ sv); |
68 | case MOUSE_TC_VALUE: return mouse_tc_Value(aTHX_ sv); |
69 | case MOUSE_TC_REF: return mouse_tc_Ref(aTHX_ sv); |
70 | case MOUSE_TC_STR: return mouse_tc_Str(aTHX_ sv); |
71 | case MOUSE_TC_NUM: return mouse_tc_Num(aTHX_ sv); |
72 | case MOUSE_TC_INT: return mouse_tc_Int(aTHX_ sv); |
73 | case MOUSE_TC_SCALAR_REF: return mouse_tc_ScalarRef(aTHX_ sv); |
74 | case MOUSE_TC_ARRAY_REF: return mouse_tc_ArrayRef(aTHX_ sv); |
75 | case MOUSE_TC_HASH_REF: return mouse_tc_HashRef(aTHX_ sv); |
76 | case MOUSE_TC_CODE_REF: return mouse_tc_CodeRef(aTHX_ sv); |
77 | case MOUSE_TC_GLOB_REF: return mouse_tc_GlobRef(aTHX_ sv); |
78 | case MOUSE_TC_FILEHANDLE: return mouse_tc_FileHandle(aTHX_ sv); |
79 | case MOUSE_TC_REGEXP_REF: return mouse_tc_RegexpRef(aTHX_ sv); |
80 | case MOUSE_TC_OBJECT: return mouse_tc_Object(aTHX_ sv); |
81 | case MOUSE_TC_CLASS_NAME: return mouse_tc_ClassName(aTHX_ sv); |
82 | case MOUSE_TC_ROLE_NAME: return mouse_tc_RoleName(aTHX_ sv); |
83 | default: |
7d96ae4d |
84 | NOOP; |
85 | } |
86 | |
f6e3b8a9 |
87 | croak("Mouse-panic: unrecognized type constraint id: %d", (int)tc); |
7d96ae4d |
88 | return FALSE; /* not reached */ |
89 | } |
90 | |
91 | |
92 | /* |
93 | The following type check functions return an integer, not a bool, to keep them simple, |
94 | so if you assign these return value to bool variable, you must use "expr ? TRUE : FALSE". |
95 | */ |
96 | |
97 | int |
98 | mouse_tc_Any(pTHX_ SV* const sv PERL_UNUSED_DECL) { |
99 | assert(sv); |
100 | return TRUE; |
101 | } |
102 | |
103 | int |
104 | mouse_tc_Bool(pTHX_ SV* const sv) { |
105 | assert(sv); |
f6e3b8a9 |
106 | |
107 | if(SvTRUE(sv)){ |
7d96ae4d |
108 | if(SvIOKp(sv)){ |
f6e3b8a9 |
109 | return SvIVX(sv) == 1; |
7d96ae4d |
110 | } |
111 | else if(SvNOKp(sv)){ |
f6e3b8a9 |
112 | return SvNVX(sv) == 1.0; |
7d96ae4d |
113 | } |
f6e3b8a9 |
114 | else if(SvPOKp(sv)){ /* "1" */ |
115 | return SvCUR(sv) == 1 && SvPVX(sv)[0] == '1'; |
7d96ae4d |
116 | } |
117 | else{ |
118 | return FALSE; |
119 | } |
120 | } |
121 | else{ |
f6e3b8a9 |
122 | /* false must be boolean */ |
7d96ae4d |
123 | return TRUE; |
124 | } |
125 | } |
126 | |
127 | int |
128 | mouse_tc_Undef(pTHX_ SV* const sv) { |
129 | assert(sv); |
130 | return !SvOK(sv); |
131 | } |
132 | |
133 | int |
134 | mouse_tc_Defined(pTHX_ SV* const sv) { |
135 | assert(sv); |
136 | return SvOK(sv); |
137 | } |
138 | |
139 | int |
140 | mouse_tc_Value(pTHX_ SV* const sv) { |
141 | assert(sv); |
142 | return SvOK(sv) && !SvROK(sv); |
143 | } |
144 | |
145 | int |
146 | mouse_tc_Num(pTHX_ SV* const sv) { |
147 | assert(sv); |
148 | return LooksLikeNumber(sv); |
149 | } |
150 | |
151 | int |
152 | mouse_tc_Int(pTHX_ SV* const sv) { |
153 | assert(sv); |
154 | if(SvIOKp(sv)){ |
155 | return TRUE; |
156 | } |
157 | else if(SvNOKp(sv)){ |
158 | NV const nv = SvNVX(sv); |
159 | return nv > 0 ? (nv == (NV)(UV)nv) : (nv == (NV)(IV)nv); |
160 | } |
161 | else if(SvPOKp(sv)){ |
162 | int const num_type = grok_number(SvPVX(sv), SvCUR(sv), NULL); |
163 | if(num_type){ |
164 | return !(num_type & IS_NUMBER_NOT_INT); |
165 | } |
166 | } |
167 | return FALSE; |
168 | } |
169 | |
170 | int |
171 | mouse_tc_Str(pTHX_ SV* const sv) { |
172 | assert(sv); |
173 | return SvOK(sv) && !SvROK(sv) && !isGV(sv); |
174 | } |
175 | |
176 | int |
177 | mouse_tc_ClassName(pTHX_ SV* const sv){ |
178 | assert(sv); |
179 | return is_class_loaded(sv); |
180 | } |
181 | |
182 | int |
183 | mouse_tc_RoleName(pTHX_ SV* const sv) { |
184 | assert(sv); |
185 | if(is_class_loaded(sv)){ |
186 | int ok; |
187 | SV* meta; |
188 | dSP; |
189 | |
190 | ENTER; |
191 | SAVETMPS; |
192 | |
193 | PUSHMARK(SP); |
194 | XPUSHs(sv); |
195 | PUTBACK; |
196 | call_pv("Mouse::Util::get_metaclass_by_name", G_SCALAR); |
197 | SPAGAIN; |
198 | meta = POPs; |
199 | PUTBACK; |
200 | |
016e4681 |
201 | ok = is_an_instance_of("Mouse::Meta::Role", meta); |
7d96ae4d |
202 | |
203 | FREETMPS; |
204 | LEAVE; |
205 | |
206 | return ok; |
207 | } |
208 | return FALSE; |
209 | } |
210 | |
211 | int |
212 | mouse_tc_Ref(pTHX_ SV* const sv) { |
213 | assert(sv); |
214 | return SvROK(sv); |
215 | } |
216 | |
217 | int |
218 | mouse_tc_ScalarRef(pTHX_ SV* const sv) { |
219 | assert(sv); |
220 | return SvROK(sv) && !SvOBJECT(SvRV(sv)) && (SvTYPE(SvRV(sv)) <= SVt_PVLV && !isGV(SvRV(sv))); |
221 | } |
222 | |
223 | int |
224 | mouse_tc_ArrayRef(pTHX_ SV* const sv) { |
225 | assert(sv); |
226 | return SvROK(sv) && !SvOBJECT(SvRV(sv)) && SvTYPE(SvRV(sv)) == SVt_PVAV; |
227 | } |
228 | |
229 | int |
230 | mouse_tc_HashRef(pTHX_ SV* const sv) { |
231 | assert(sv); |
232 | return SvROK(sv) && !SvOBJECT(SvRV(sv)) && SvTYPE(SvRV(sv)) == SVt_PVHV; |
233 | } |
234 | |
235 | int |
236 | mouse_tc_CodeRef(pTHX_ SV* const sv) { |
237 | assert(sv); |
238 | return SvROK(sv) && !SvOBJECT(SvRV(sv))&& SvTYPE(SvRV(sv)) == SVt_PVCV; |
239 | } |
240 | |
241 | int |
242 | mouse_tc_RegexpRef(pTHX_ SV* const sv) { |
243 | assert(sv); |
244 | return SvRXOK(sv); |
245 | } |
246 | |
247 | int |
248 | mouse_tc_GlobRef(pTHX_ SV* const sv) { |
249 | assert(sv); |
250 | return SvROK(sv) && !SvOBJECT(SvRV(sv)) && isGV(SvRV(sv)); |
251 | } |
252 | |
253 | int |
254 | mouse_tc_FileHandle(pTHX_ SV* const sv) { |
255 | GV* gv; |
256 | assert(sv); |
257 | |
258 | /* see pp_fileno() in pp_sys.c and Scalar::Util::openhandle() */ |
259 | |
260 | gv = (GV*)(SvROK(sv) ? SvRV(sv) : sv); |
261 | if(isGV(gv) || SvTYPE(gv) == SVt_PVIO){ |
262 | IO* const io = isGV(gv) ? GvIO(gv) : (IO*)gv; |
263 | |
264 | if(io && ( IoIFP(io) || SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar) )){ |
265 | return TRUE; |
266 | } |
267 | } |
268 | |
016e4681 |
269 | return is_an_instance_of("IO::Handle", sv); |
7d96ae4d |
270 | } |
271 | |
272 | int |
273 | mouse_tc_Object(pTHX_ SV* const sv) { |
274 | assert(sv); |
275 | return SvROK(sv) && SvOBJECT(SvRV(sv)) && !SvRXOK(sv); |
276 | } |
277 | |
619338ac |
278 | /* Parameterized type constraints */ |
279 | |
f790c46b |
280 | static int |
619338ac |
281 | mouse_parameterized_ArrayRef(pTHX_ SV* const param, SV* const sv) { |
282 | if(mouse_tc_ArrayRef(aTHX_ sv)){ |
283 | AV* const av = (AV*)SvRV(sv); |
284 | I32 const len = av_len(av) + 1; |
285 | I32 i; |
286 | for(i = 0; i < len; i++){ |
287 | SV* const value = *av_fetch(av, i, TRUE); |
288 | SvGETMAGIC(value); |
289 | if(!mouse_tc_check(aTHX_ param, value)){ |
290 | return FALSE; |
291 | } |
292 | } |
293 | return TRUE; |
294 | } |
295 | return FALSE; |
296 | } |
297 | |
f790c46b |
298 | static int |
619338ac |
299 | mouse_parameterized_HashRef(pTHX_ SV* const param, SV* const sv) { |
300 | if(mouse_tc_HashRef(aTHX_ sv)){ |
301 | HV* const hv = (HV*)SvRV(sv); |
302 | HE* he; |
303 | |
304 | hv_iterinit(hv); |
305 | while((he = hv_iternext(hv))){ |
306 | SV* const value = hv_iterval(hv, he); |
307 | SvGETMAGIC(value); |
308 | if(!mouse_tc_check(aTHX_ param, value)){ |
309 | return FALSE; |
310 | } |
311 | } |
312 | return TRUE; |
313 | } |
314 | return FALSE; |
315 | } |
316 | |
f790c46b |
317 | static int |
619338ac |
318 | mouse_parameterized_Maybe(pTHX_ SV* const param, SV* const sv) { |
319 | if(SvOK(sv)){ |
320 | return mouse_tc_check(aTHX_ param, sv); |
321 | } |
322 | return TRUE; |
323 | } |
324 | |
f790c46b |
325 | static int |
326 | mouse_types_union_check(pTHX_ AV* const types, SV* const sv) { |
327 | I32 const len = AvFILLp(types) + 1; |
328 | I32 i; |
329 | |
330 | for(i = 0; i < len; i++){ |
331 | if(mouse_tc_check(aTHX_ AvARRAY(types)[i], sv)){ |
332 | return TRUE; |
333 | } |
334 | } |
335 | |
336 | return FALSE; |
337 | } |
338 | |
339 | static int |
340 | mouse_types_check(pTHX_ AV* const types, SV* const sv) { |
341 | I32 const len = AvFILLp(types) + 1; |
342 | I32 i; |
343 | |
344 | ENTER; |
345 | SAVE_DEFSV; |
346 | DEFSV_set(sv); |
347 | |
348 | for(i = 0; i < len; i++){ |
349 | if(!mouse_tc_check(aTHX_ AvARRAY(types)[i], sv)){ |
350 | LEAVE; |
351 | return FALSE; |
352 | } |
353 | } |
354 | |
355 | LEAVE; |
356 | |
357 | return TRUE; |
358 | } |
359 | |
1d5ecd5f |
360 | /* |
361 | * This class_type generator is taken from Scalar::Util::Instance |
362 | */ |
363 | |
364 | #define MY_CXT_KEY "Mouse::Util::TypeConstraints::_guts" XS_VERSION |
365 | typedef struct sui_cxt{ |
366 | GV* universal_isa; |
367 | } my_cxt_t; |
368 | START_MY_CXT |
369 | |
370 | #define MG_klass_stash(mg) ((HV*)(mg)->mg_obj) |
371 | #define MG_klass_pv(mg) ((mg)->mg_ptr) |
372 | #define MG_klass_len(mg) ((mg)->mg_len) |
373 | |
441964ce |
374 | static const char* |
f48920c1 |
375 | mouse_canonicalize_package_name(const char* name){ |
1d5ecd5f |
376 | |
377 | /* "::Foo" -> "Foo" */ |
378 | if(name[0] == ':' && name[1] == ':'){ |
379 | name += 2; |
380 | } |
381 | |
382 | /* "main::main::main::Foo" -> "Foo" */ |
383 | while(strnEQ(name, "main::", sizeof("main::")-1)){ |
384 | name += sizeof("main::")-1; |
385 | } |
386 | |
387 | return name; |
388 | } |
389 | |
390 | static int |
441964ce |
391 | mouse_lookup_isa(pTHX_ HV* const instance_stash, const char* const klass_pv){ |
1d5ecd5f |
392 | AV* const linearized_isa = mro_get_linear_isa(instance_stash); |
393 | SV** svp = AvARRAY(linearized_isa); |
394 | SV** const end = svp + AvFILLp(linearized_isa) + 1; |
395 | |
396 | while(svp != end){ |
397 | assert(SvPVX(*svp)); |
f48920c1 |
398 | if(strEQ(klass_pv, mouse_canonicalize_package_name(SvPVX(*svp)))){ |
1d5ecd5f |
399 | return TRUE; |
400 | } |
401 | svp++; |
402 | } |
403 | return FALSE; |
404 | } |
405 | |
441964ce |
406 | int |
407 | mouse_is_an_instance_of(pTHX_ HV* const stash, SV* const instance){ |
408 | assert(stash); |
409 | assert(SvTYPE(stash) == SVt_PVHV); |
410 | |
016e4681 |
411 | if(IsObject(instance)){ |
441964ce |
412 | dMY_CXT; |
413 | HV* const instance_stash = SvSTASH(SvRV(instance)); |
414 | GV* const instance_isa = gv_fetchmeth_autoload(instance_stash, "isa", sizeof("isa")-1, 0); |
415 | |
416 | /* the instance has no own isa method */ |
417 | if(instance_isa == NULL || GvCV(instance_isa) == GvCV(MY_CXT.universal_isa)){ |
418 | return stash == instance_stash |
419 | || mouse_lookup_isa(aTHX_ instance_stash, HvNAME_get(stash)); |
420 | } |
421 | /* the instance has its own isa method */ |
422 | else { |
423 | int retval; |
424 | dSP; |
1d5ecd5f |
425 | |
441964ce |
426 | ENTER; |
427 | SAVETMPS; |
1d5ecd5f |
428 | |
441964ce |
429 | PUSHMARK(SP); |
430 | EXTEND(SP, 2); |
431 | PUSHs(instance); |
432 | mPUSHp(HvNAME_get(stash), HvNAMELEN_get(stash)); |
433 | PUTBACK; |
1d5ecd5f |
434 | |
441964ce |
435 | call_sv((SV*)instance_isa, G_SCALAR); |
1d5ecd5f |
436 | |
441964ce |
437 | SPAGAIN; |
1d5ecd5f |
438 | |
441964ce |
439 | retval = SvTRUEx(POPs); |
1d5ecd5f |
440 | |
441964ce |
441 | PUTBACK; |
1d5ecd5f |
442 | |
441964ce |
443 | FREETMPS; |
444 | LEAVE; |
1d5ecd5f |
445 | |
441964ce |
446 | return retval; |
447 | } |
1d5ecd5f |
448 | } |
441964ce |
449 | return FALSE; |
450 | } |
451 | |
452 | static int |
453 | mouse_is_an_instance_of_universal(pTHX_ SV* const data, SV* const sv){ |
454 | PERL_UNUSED_ARG(data); |
455 | return SvROK(sv) && SvOBJECT(SvRV(sv)); |
1d5ecd5f |
456 | } |
457 | |
441964ce |
458 | static MGVTBL mouse_util_type_constraints_vtbl; /* not used, only for identity */ |
f48920c1 |
459 | |
619338ac |
460 | static CV* |
916eb82f |
461 | mouse_tc_parameterize(pTHX_ const char* const name, check_fptr_t const fptr, SV* const param) { |
619338ac |
462 | CV* xsub; |
916eb82f |
463 | |
619338ac |
464 | xsub = newXS(name, XS_Mouse_parameterized_check, __FILE__); |
916eb82f |
465 | CvXSUBANY(xsub).any_ptr = sv_magicext( |
466 | (SV*)xsub, |
467 | param, /* mg_obj: refcnt will be increased */ |
468 | PERL_MAGIC_ext, |
469 | &mouse_util_type_constraints_vtbl, |
470 | (void*)fptr, /* mg_ptr */ |
471 | 0 /* mg_len: 0 for static data */ |
472 | ); |
473 | |
474 | if(!name){ |
475 | sv_2mortal((SV*)xsub); |
476 | } |
477 | |
478 | return xsub; |
479 | } |
480 | |
481 | CV* |
672bde7c |
482 | mouse_generate_isa_predicate_for(pTHX_ SV* const klass, const char* const predicate_name){ |
441964ce |
483 | STRLEN klass_len; |
484 | const char* klass_pv = SvPV_const(klass, klass_len); |
916eb82f |
485 | SV* param; |
486 | void* fptr; |
1d5ecd5f |
487 | |
441964ce |
488 | klass_pv = mouse_canonicalize_package_name(klass_pv); |
1d5ecd5f |
489 | |
441964ce |
490 | if(strNE(klass_pv, "UNIVERSAL")){ |
916eb82f |
491 | param = (SV*)gv_stashpvn(klass_pv, klass_len, GV_ADD); |
492 | fptr = (void*)mouse_is_an_instance_of; |
441964ce |
493 | |
494 | } |
495 | else{ |
916eb82f |
496 | param = NULL; |
497 | fptr = (void*)mouse_is_an_instance_of_universal; |
441964ce |
498 | } |
499 | |
916eb82f |
500 | return mouse_tc_parameterize(aTHX_ predicate_name, fptr, param); |
441964ce |
501 | } |
f48920c1 |
502 | |
441964ce |
503 | XS(XS_Mouse_parameterized_check) { |
1d5ecd5f |
504 | dVAR; |
505 | dXSARGS; |
441964ce |
506 | MAGIC* const mg = (MAGIC*)XSANY.any_ptr; |
1d5ecd5f |
507 | |
441964ce |
508 | if(items < 1){ |
509 | croak("Too few arguments for parameterized check functions"); |
1d5ecd5f |
510 | } |
511 | |
441964ce |
512 | SvGETMAGIC( ST(0) ); |
513 | ST(0) = boolSV( CALL_FPTR((check_fptr_t)mg->mg_ptr)(aTHX_ mg->mg_obj, ST(0)) ); |
1d5ecd5f |
514 | XSRETURN(1); |
515 | } |
516 | |
517 | static void |
518 | setup_my_cxt(pTHX_ pMY_CXT){ |
519 | MY_CXT.universal_isa = gv_fetchpvs("UNIVERSAL::isa", GV_ADD, SVt_PVCV); |
520 | SvREFCNT_inc_simple_void_NN(MY_CXT.universal_isa); |
521 | } |
522 | |
523 | MODULE = Mouse::Util::TypeConstraints PACKAGE = Mouse::Util::TypeConstraints |
524 | |
646c0371 |
525 | PROTOTYPES: DISABLE |
526 | VERSIONCHECK: DISABLE |
1d5ecd5f |
527 | |
528 | BOOT: |
529 | { |
530 | MY_CXT_INIT; |
531 | setup_my_cxt(aTHX_ aMY_CXT); |
532 | } |
533 | |
534 | #ifdef USE_ITHREADS |
535 | |
536 | void |
537 | CLONE(...) |
538 | CODE: |
539 | { |
540 | MY_CXT_CLONE; |
541 | setup_my_cxt(aTHX_ aMY_CXT); |
542 | PERL_UNUSED_VAR(items); |
543 | } |
544 | |
545 | #endif /* !USE_ITHREADS */ |
546 | |
547 | void |
1d5ecd5f |
548 | Item(SV* sv = &PL_sv_undef) |
549 | ALIAS: |
550 | Any = MOUSE_TC_ANY |
551 | Item = MOUSE_TC_ITEM |
552 | Undef = MOUSE_TC_UNDEF |
553 | Defined = MOUSE_TC_DEFINED |
554 | Bool = MOUSE_TC_BOOL |
555 | Value = MOUSE_TC_VALUE |
556 | Ref = MOUSE_TC_REF |
557 | Str = MOUSE_TC_STR |
558 | Num = MOUSE_TC_NUM |
559 | Int = MOUSE_TC_INT |
560 | ScalarRef = MOUSE_TC_SCALAR_REF |
561 | ArrayRef = MOUSE_TC_ARRAY_REF |
562 | HashRef = MOUSE_TC_HASH_REF |
563 | CodeRef = MOUSE_TC_CODE_REF |
564 | GlobRef = MOUSE_TC_GLOB_REF |
565 | FileHandle = MOUSE_TC_FILEHANDLE |
566 | RegexpRef = MOUSE_TC_REGEXP_REF |
567 | Object = MOUSE_TC_OBJECT |
568 | ClassName = MOUSE_TC_CLASS_NAME |
569 | RoleName = MOUSE_TC_ROLE_NAME |
570 | CODE: |
571 | SvGETMAGIC(sv); |
572 | ST(0) = boolSV( mouse_builtin_tc_check(aTHX_ ix, sv) ); |
573 | XSRETURN(1); |
574 | |
575 | |
619338ac |
576 | CV* |
577 | _parameterize_ArrayRef_for(SV* param) |
578 | ALIAS: |
579 | _parameterize_ArrayRef_for = MOUSE_TC_ARRAY_REF |
580 | _parameterize_HashRef_for = MOUSE_TC_HASH_REF |
581 | _parameterize_Maybe_for = MOUSE_TC_MAYBE |
582 | CODE: |
583 | { |
584 | check_fptr_t fptr; |
585 | SV* const tc_code = mcall0s(param, "_compiled_type_constraint"); |
586 | if(!(SvROK(tc_code) && SvTYPE(SvRV(tc_code)) == SVt_PVCV)){ |
587 | croak("_compiled_type_constraint didn't return a CODE reference"); |
588 | } |
589 | |
590 | switch(ix){ |
591 | case MOUSE_TC_ARRAY_REF: |
592 | fptr = mouse_parameterized_ArrayRef; |
593 | break; |
594 | case MOUSE_TC_HASH_REF: |
595 | fptr = mouse_parameterized_HashRef; |
596 | break; |
597 | default: /* Maybe type */ |
598 | fptr = mouse_parameterized_Maybe; |
599 | } |
600 | RETVAL = mouse_tc_parameterize(aTHX_ NULL, fptr, tc_code); |
601 | } |
602 | OUTPUT: |
603 | RETVAL |
604 | |
f790c46b |
605 | MODULE = Mouse::Util::TypeConstraints PACKAGE = Mouse::Meta::TypeConstraint |
606 | |
607 | void |
608 | compile_type_constraint(SV* self) |
609 | CODE: |
610 | { |
611 | AV* const checks = newAV(); |
612 | SV* check; /* check function */ |
613 | SV* parent; |
614 | SV* types_ref; |
615 | |
616 | sv_2mortal((SV*)checks); |
617 | |
618 | for(parent = get_slots(self, "parent"); parent; parent = get_slots(parent, "parent")){ |
619 | check = get_slots(parent, "hand_optimized_type_constraint"); |
620 | if(check && SvOK(check)){ |
621 | if(!mouse_tc_CodeRef(aTHX_ check)){ |
622 | croak("Not a CODE reference"); |
623 | } |
624 | av_unshift(checks, 1); |
625 | av_store(checks, 0, newSVsv(check)); |
626 | break; /* a hand optimized constraint must include all the parent */ |
627 | } |
628 | |
629 | check = get_slots(parent, "constraint"); |
630 | if(check && SvOK(check)){ |
631 | if(!mouse_tc_CodeRef(aTHX_ check)){ |
632 | croak("Not a CODE reference"); |
633 | } |
634 | av_unshift(checks, 1); |
635 | av_store(checks, 0, newSVsv(check)); |
636 | } |
637 | } |
638 | |
639 | check = get_slots(self, "constraint"); |
640 | if(check && SvOK(check)){ |
641 | if(!mouse_tc_CodeRef(aTHX_ check)){ |
642 | croak("Not a CODE reference"); |
643 | } |
644 | av_push(checks, newSVsv(check)); |
645 | } |
646 | |
647 | types_ref = get_slots(self, "type_constraints"); |
648 | if(types_ref && SvOK(types_ref)){ /* union type */ |
649 | AV* types; |
650 | AV* union_checks; |
651 | CV* union_check; |
652 | I32 len; |
653 | I32 i; |
654 | |
655 | if(!mouse_tc_ArrayRef(aTHX_ types_ref)){ |
656 | croak("Not an ARRAY reference"); |
657 | } |
658 | types = (AV*)SvRV(types_ref); |
659 | len = av_len(types) + 1; |
660 | |
661 | union_checks = newAV(); |
662 | sv_2mortal((SV*)union_checks); |
663 | |
664 | for(i = 0; i < len; i++){ |
665 | SV* const tc = *av_fetch(types, i, TRUE); |
666 | SV* const c = get_slots(tc, "compiled_type_constraint"); |
667 | if(!(c && mouse_tc_CodeRef(aTHX_ c))){ |
668 | sv_dump(self); |
669 | croak("'%"SVf"' has no compiled type constraint", self); |
670 | } |
671 | av_push(union_checks, newSVsv(c)); |
672 | } |
673 | |
674 | union_check = mouse_tc_parameterize(aTHX_ NULL, (check_fptr_t)mouse_types_union_check, (SV*)union_checks); |
675 | av_push(checks, newRV_inc((SV*)union_check)); |
676 | } |
677 | |
678 | if(AvFILLp(checks) < 0){ |
679 | check = newRV_inc((SV*)get_cv("Mouse::Util::TypeConstraints::Any", TRUE)); |
680 | } |
681 | else{ |
682 | check = newRV_inc((SV*)mouse_tc_parameterize(aTHX_ NULL, (check_fptr_t)mouse_types_check, (SV*)checks)); |
683 | } |
684 | set_slots(self, "compiled_type_constraint", check); |
685 | } |
686 | |