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