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; |
323 | } my_cxt_t; |
324 | START_MY_CXT |
325 | |
326 | #define MG_klass_stash(mg) ((HV*)(mg)->mg_obj) |
327 | #define MG_klass_pv(mg) ((mg)->mg_ptr) |
328 | #define MG_klass_len(mg) ((mg)->mg_len) |
329 | |
441964ce |
330 | static const char* |
f48920c1 |
331 | mouse_canonicalize_package_name(const char* name){ |
1d5ecd5f |
332 | |
333 | /* "::Foo" -> "Foo" */ |
334 | if(name[0] == ':' && name[1] == ':'){ |
335 | name += 2; |
336 | } |
337 | |
338 | /* "main::main::main::Foo" -> "Foo" */ |
339 | while(strnEQ(name, "main::", sizeof("main::")-1)){ |
340 | name += sizeof("main::")-1; |
341 | } |
342 | |
343 | return name; |
344 | } |
345 | |
346 | static int |
441964ce |
347 | mouse_lookup_isa(pTHX_ HV* const instance_stash, const char* const klass_pv){ |
1d5ecd5f |
348 | AV* const linearized_isa = mro_get_linear_isa(instance_stash); |
349 | SV** svp = AvARRAY(linearized_isa); |
350 | SV** const end = svp + AvFILLp(linearized_isa) + 1; |
351 | |
352 | while(svp != end){ |
353 | assert(SvPVX(*svp)); |
f48920c1 |
354 | if(strEQ(klass_pv, mouse_canonicalize_package_name(SvPVX(*svp)))){ |
1d5ecd5f |
355 | return TRUE; |
356 | } |
357 | svp++; |
358 | } |
359 | return FALSE; |
360 | } |
361 | |
441964ce |
362 | int |
363 | mouse_is_an_instance_of(pTHX_ HV* const stash, SV* const instance){ |
364 | assert(stash); |
365 | assert(SvTYPE(stash) == SVt_PVHV); |
366 | |
016e4681 |
367 | if(IsObject(instance)){ |
441964ce |
368 | dMY_CXT; |
369 | HV* const instance_stash = SvSTASH(SvRV(instance)); |
370 | GV* const instance_isa = gv_fetchmeth_autoload(instance_stash, "isa", sizeof("isa")-1, 0); |
371 | |
372 | /* the instance has no own isa method */ |
373 | if(instance_isa == NULL || GvCV(instance_isa) == GvCV(MY_CXT.universal_isa)){ |
374 | return stash == instance_stash |
375 | || mouse_lookup_isa(aTHX_ instance_stash, HvNAME_get(stash)); |
376 | } |
377 | /* the instance has its own isa method */ |
378 | else { |
379 | int retval; |
380 | dSP; |
1d5ecd5f |
381 | |
441964ce |
382 | ENTER; |
383 | SAVETMPS; |
1d5ecd5f |
384 | |
441964ce |
385 | PUSHMARK(SP); |
386 | EXTEND(SP, 2); |
387 | PUSHs(instance); |
388 | mPUSHp(HvNAME_get(stash), HvNAMELEN_get(stash)); |
389 | PUTBACK; |
1d5ecd5f |
390 | |
441964ce |
391 | call_sv((SV*)instance_isa, G_SCALAR); |
1d5ecd5f |
392 | |
441964ce |
393 | SPAGAIN; |
1d5ecd5f |
394 | |
441964ce |
395 | retval = SvTRUEx(POPs); |
1d5ecd5f |
396 | |
441964ce |
397 | PUTBACK; |
1d5ecd5f |
398 | |
441964ce |
399 | FREETMPS; |
400 | LEAVE; |
1d5ecd5f |
401 | |
441964ce |
402 | return retval; |
403 | } |
1d5ecd5f |
404 | } |
441964ce |
405 | return FALSE; |
406 | } |
407 | |
408 | static int |
409 | mouse_is_an_instance_of_universal(pTHX_ SV* const data, SV* const sv){ |
410 | PERL_UNUSED_ARG(data); |
411 | return SvROK(sv) && SvOBJECT(SvRV(sv)); |
1d5ecd5f |
412 | } |
413 | |
441964ce |
414 | static MGVTBL mouse_util_type_constraints_vtbl; /* not used, only for identity */ |
f48920c1 |
415 | |
619338ac |
416 | static CV* |
19462c57 |
417 | mouse_tc_generate(pTHX_ const char* const name, check_fptr_t const fptr, SV* const param) { |
619338ac |
418 | CV* xsub; |
916eb82f |
419 | |
19462c57 |
420 | xsub = newXS(name, XS_Mouse_constraint_check, __FILE__); |
916eb82f |
421 | CvXSUBANY(xsub).any_ptr = sv_magicext( |
422 | (SV*)xsub, |
423 | param, /* mg_obj: refcnt will be increased */ |
424 | PERL_MAGIC_ext, |
425 | &mouse_util_type_constraints_vtbl, |
426 | (void*)fptr, /* mg_ptr */ |
427 | 0 /* mg_len: 0 for static data */ |
428 | ); |
429 | |
430 | if(!name){ |
431 | sv_2mortal((SV*)xsub); |
432 | } |
433 | |
434 | return xsub; |
435 | } |
436 | |
437 | CV* |
672bde7c |
438 | mouse_generate_isa_predicate_for(pTHX_ SV* const klass, const char* const predicate_name){ |
441964ce |
439 | STRLEN klass_len; |
440 | const char* klass_pv = SvPV_const(klass, klass_len); |
916eb82f |
441 | SV* param; |
442 | void* fptr; |
1d5ecd5f |
443 | |
441964ce |
444 | klass_pv = mouse_canonicalize_package_name(klass_pv); |
1d5ecd5f |
445 | |
441964ce |
446 | if(strNE(klass_pv, "UNIVERSAL")){ |
916eb82f |
447 | param = (SV*)gv_stashpvn(klass_pv, klass_len, GV_ADD); |
448 | fptr = (void*)mouse_is_an_instance_of; |
441964ce |
449 | |
450 | } |
451 | else{ |
916eb82f |
452 | param = NULL; |
453 | fptr = (void*)mouse_is_an_instance_of_universal; |
441964ce |
454 | } |
455 | |
19462c57 |
456 | return mouse_tc_generate(aTHX_ predicate_name, fptr, param); |
441964ce |
457 | } |
f48920c1 |
458 | |
19462c57 |
459 | XS(XS_Mouse_constraint_check) { |
1d5ecd5f |
460 | dVAR; |
461 | dXSARGS; |
441964ce |
462 | MAGIC* const mg = (MAGIC*)XSANY.any_ptr; |
1d5ecd5f |
463 | |
441964ce |
464 | if(items < 1){ |
19462c57 |
465 | croak("Too few arguments for type constraint check functions"); |
1d5ecd5f |
466 | } |
467 | |
441964ce |
468 | SvGETMAGIC( ST(0) ); |
469 | ST(0) = boolSV( CALL_FPTR((check_fptr_t)mg->mg_ptr)(aTHX_ mg->mg_obj, ST(0)) ); |
1d5ecd5f |
470 | XSRETURN(1); |
471 | } |
472 | |
473 | static void |
474 | setup_my_cxt(pTHX_ pMY_CXT){ |
475 | MY_CXT.universal_isa = gv_fetchpvs("UNIVERSAL::isa", GV_ADD, SVt_PVCV); |
476 | SvREFCNT_inc_simple_void_NN(MY_CXT.universal_isa); |
477 | } |
478 | |
19462c57 |
479 | #define DEFINE_TC(name) mouse_tc_generate(aTHX_ "Mouse::Util::TypeConstraints::" STRINGIFY(name), CAT2(mouse_tc_, name), NULL) |
480 | |
1d5ecd5f |
481 | MODULE = Mouse::Util::TypeConstraints PACKAGE = Mouse::Util::TypeConstraints |
482 | |
646c0371 |
483 | PROTOTYPES: DISABLE |
484 | VERSIONCHECK: DISABLE |
1d5ecd5f |
485 | |
486 | BOOT: |
487 | { |
488 | MY_CXT_INIT; |
489 | setup_my_cxt(aTHX_ aMY_CXT); |
19462c57 |
490 | |
491 | /* setup built-in type constraints */ |
492 | DEFINE_TC(Any); |
493 | DEFINE_TC(Undef); |
494 | DEFINE_TC(Defined); |
495 | DEFINE_TC(Bool); |
496 | DEFINE_TC(Value); |
497 | DEFINE_TC(Ref); |
498 | DEFINE_TC(Str); |
499 | DEFINE_TC(Num); |
500 | DEFINE_TC(Int); |
501 | DEFINE_TC(ScalarRef); |
502 | DEFINE_TC(ArrayRef); |
503 | DEFINE_TC(HashRef); |
504 | DEFINE_TC(CodeRef); |
505 | DEFINE_TC(GlobRef); |
506 | DEFINE_TC(FileHandle); |
507 | DEFINE_TC(RegexpRef); |
508 | DEFINE_TC(Object); |
509 | DEFINE_TC(ClassName); |
510 | DEFINE_TC(RoleName); |
1d5ecd5f |
511 | } |
512 | |
513 | #ifdef USE_ITHREADS |
514 | |
515 | void |
516 | CLONE(...) |
517 | CODE: |
518 | { |
519 | MY_CXT_CLONE; |
520 | setup_my_cxt(aTHX_ aMY_CXT); |
521 | PERL_UNUSED_VAR(items); |
522 | } |
523 | |
524 | #endif /* !USE_ITHREADS */ |
525 | |
19462c57 |
526 | #define MOUSE_TC_MAYBE 0 |
527 | #define MOUSE_TC_ARRAY_REF 1 |
528 | #define MOUSE_TC_HASH_REF 2 |
1d5ecd5f |
529 | |
619338ac |
530 | CV* |
531 | _parameterize_ArrayRef_for(SV* param) |
532 | ALIAS: |
533 | _parameterize_ArrayRef_for = MOUSE_TC_ARRAY_REF |
534 | _parameterize_HashRef_for = MOUSE_TC_HASH_REF |
535 | _parameterize_Maybe_for = MOUSE_TC_MAYBE |
536 | CODE: |
537 | { |
538 | check_fptr_t fptr; |
539 | SV* const tc_code = mcall0s(param, "_compiled_type_constraint"); |
80aa5731 |
540 | if(!IsCodeRef(tc_code)){ |
619338ac |
541 | croak("_compiled_type_constraint didn't return a CODE reference"); |
542 | } |
543 | |
544 | switch(ix){ |
545 | case MOUSE_TC_ARRAY_REF: |
546 | fptr = mouse_parameterized_ArrayRef; |
547 | break; |
548 | case MOUSE_TC_HASH_REF: |
549 | fptr = mouse_parameterized_HashRef; |
550 | break; |
551 | default: /* Maybe type */ |
552 | fptr = mouse_parameterized_Maybe; |
553 | } |
19462c57 |
554 | RETVAL = mouse_tc_generate(aTHX_ NULL, fptr, tc_code); |
619338ac |
555 | } |
556 | OUTPUT: |
557 | RETVAL |
558 | |
f790c46b |
559 | MODULE = Mouse::Util::TypeConstraints PACKAGE = Mouse::Meta::TypeConstraint |
560 | |
a4b901ac |
561 | BOOT: |
562 | INSTALL_SIMPLE_READER(TypeConstraint, name); |
563 | INSTALL_SIMPLE_READER(TypeConstraint, parent); |
564 | INSTALL_SIMPLE_READER(TypeConstraint, message); |
565 | |
566 | INSTALL_SIMPLE_READER_WITH_KEY(TypeConstraint, _compiled_type_constraint, compiled_type_constraint); |
567 | INSTALL_SIMPLE_READER(TypeConstraint, _compiled_type_coercion); /* Mouse specific */ |
568 | |
569 | INSTALL_SIMPLE_PREDICATE_WITH_KEY(TypeConstraint, has_coercion, _compiled_type_coercion); |
570 | |
f790c46b |
571 | void |
572 | compile_type_constraint(SV* self) |
573 | CODE: |
574 | { |
6fab29c6 |
575 | AV* const checks = newAV_mortal(); |
f790c46b |
576 | SV* check; /* check function */ |
577 | SV* parent; |
578 | SV* types_ref; |
579 | |
f790c46b |
580 | for(parent = get_slots(self, "parent"); parent; parent = get_slots(parent, "parent")){ |
581 | check = get_slots(parent, "hand_optimized_type_constraint"); |
582 | if(check && SvOK(check)){ |
19462c57 |
583 | if(!mouse_tc_CodeRef(aTHX_ NULL, check)){ |
f790c46b |
584 | croak("Not a CODE reference"); |
585 | } |
586 | av_unshift(checks, 1); |
587 | av_store(checks, 0, newSVsv(check)); |
588 | break; /* a hand optimized constraint must include all the parent */ |
589 | } |
590 | |
591 | check = get_slots(parent, "constraint"); |
592 | if(check && SvOK(check)){ |
19462c57 |
593 | if(!mouse_tc_CodeRef(aTHX_ NULL, check)){ |
f790c46b |
594 | croak("Not a CODE reference"); |
595 | } |
596 | av_unshift(checks, 1); |
597 | av_store(checks, 0, newSVsv(check)); |
598 | } |
599 | } |
600 | |
601 | check = get_slots(self, "constraint"); |
602 | if(check && SvOK(check)){ |
19462c57 |
603 | if(!mouse_tc_CodeRef(aTHX_ NULL, check)){ |
f790c46b |
604 | croak("Not a CODE reference"); |
605 | } |
606 | av_push(checks, newSVsv(check)); |
607 | } |
608 | |
609 | types_ref = get_slots(self, "type_constraints"); |
610 | if(types_ref && SvOK(types_ref)){ /* union type */ |
611 | AV* types; |
612 | AV* union_checks; |
613 | CV* union_check; |
614 | I32 len; |
615 | I32 i; |
616 | |
80aa5731 |
617 | if(!IsArrayRef(types_ref)){ |
f790c46b |
618 | croak("Not an ARRAY reference"); |
619 | } |
620 | types = (AV*)SvRV(types_ref); |
621 | len = av_len(types) + 1; |
622 | |
6fab29c6 |
623 | union_checks = newAV_mortal(); |
f790c46b |
624 | |
625 | for(i = 0; i < len; i++){ |
626 | SV* const tc = *av_fetch(types, i, TRUE); |
627 | SV* const c = get_slots(tc, "compiled_type_constraint"); |
19462c57 |
628 | if(!(c && mouse_tc_CodeRef(aTHX_ NULL, c))){ |
f790c46b |
629 | sv_dump(self); |
630 | croak("'%"SVf"' has no compiled type constraint", self); |
631 | } |
632 | av_push(union_checks, newSVsv(c)); |
633 | } |
634 | |
19462c57 |
635 | union_check = mouse_tc_generate(aTHX_ NULL, (check_fptr_t)mouse_types_union_check, (SV*)union_checks); |
f790c46b |
636 | av_push(checks, newRV_inc((SV*)union_check)); |
637 | } |
638 | |
639 | if(AvFILLp(checks) < 0){ |
640 | check = newRV_inc((SV*)get_cv("Mouse::Util::TypeConstraints::Any", TRUE)); |
641 | } |
642 | else{ |
19462c57 |
643 | check = newRV_inc((SV*)mouse_tc_generate(aTHX_ NULL, (check_fptr_t)mouse_types_check, (SV*)checks)); |
f790c46b |
644 | } |
645 | set_slots(self, "compiled_type_constraint", check); |
646 | } |
647 | |