Commit | Line | Data |
646c0371 |
1 | #include "mouse.h" |
2 | |
3 | #define CHECK_INSTANCE(instance) STMT_START{ \ |
4 | if(!(SvROK(instance) && SvTYPE(SvRV(instance)) == SVt_PVHV)){ \ |
5 | croak("Invalid object for instance managers"); \ |
6 | } \ |
7 | } STMT_END |
8 | |
9 | /* Moose XS Attribute object */ |
10 | enum mouse_xa_ix_t{ |
11 | MOUSE_XA_ATTRIBUTE, |
12 | MOUSE_XA_TC, |
13 | MOUSE_XA_TC_CODE, |
14 | |
15 | MOUSE_XA_last |
16 | }; |
17 | |
18 | #define MOUSE_xa_attribute(m) MOUSE_av_at(m, MOUSE_XA_ATTRIBUTE) |
19 | #define MOUSE_xa_tc(m) MOUSE_av_at(m, MOUSE_XA_TC) |
20 | #define MOUSE_xa_tc_code(m) MOUSE_av_at(m, MOUSE_XA_TC_CODE) |
21 | |
22 | #define MOUSE_mg_attribute(mg) MOUSE_xa_attribute(MOUSE_mg_xa(mg)) |
23 | |
24 | enum mouse_xa_flags_t{ |
25 | MOUSEf_ATTR_HAS_TC = 0x0001, |
26 | MOUSEf_ATTR_HAS_DEFAULT = 0x0002, |
27 | MOUSEf_ATTR_HAS_BUILDER = 0x0004, |
28 | MOUSEf_ATTR_HAS_INITIALIZER = 0x0008, /* not used in Mouse */ |
29 | MOUSEf_ATTR_HAS_TRIGGER = 0x0010, |
30 | |
31 | MOUSEf_ATTR_IS_LAZY = 0x0020, |
32 | MOUSEf_ATTR_IS_WEAK_REF = 0x0040, |
33 | MOUSEf_ATTR_IS_REQUIRED = 0x0080, |
34 | |
35 | MOUSEf_ATTR_SHOULD_COERCE = 0x0100, |
36 | |
37 | MOUSEf_ATTR_SHOULD_AUTO_DEREF |
38 | = 0x0200, |
39 | MOUSEf_TC_IS_ARRAYREF = 0x0400, |
40 | MOUSEf_TC_IS_HASHREF = 0x0800, |
41 | |
42 | MOUSEf_OTHER1 = 0x1000, |
43 | MOUSEf_OTHER2 = 0x2000, |
44 | MOUSEf_OTHER3 = 0x4000, |
45 | MOUSEf_OTHER4 = 0x8000, |
46 | |
47 | MOUSEf_MOUSE_MASK = 0xFFFF /* not used */ |
48 | }; |
49 | |
50 | static MGVTBL mouse_accessor_vtbl; /* MAGIC identity */ |
51 | |
52 | |
53 | SV* |
54 | mouse_accessor_get_self(pTHX_ I32 const ax, I32 const items, CV* const cv) { |
55 | SV* self; |
56 | |
57 | if(items < 1){ |
58 | croak("Too few arguments for %s", GvNAME(CvGV(cv))); |
59 | } |
60 | |
61 | /* NOTE: If self has GETMAGIC, $self->accessor will invoke GETMAGIC |
62 | * before calling methods, so SvGETMAGIC(self) is not necessarily needed here. |
63 | */ |
64 | |
65 | self = ST(0); |
66 | if(!IsObject(self)){ |
67 | croak("Cant call %s as a class method", GvNAME(CvGV(cv))); |
68 | } |
69 | return self; |
70 | } |
71 | |
72 | |
73 | CV* |
74 | mouse_instantiate_xs_accessor(pTHX_ SV* const attr, XSUBADDR_t const accessor_impl){ |
75 | SV* const slot = mcall0(attr, mouse_name); |
76 | AV* const xa = newAV(); |
77 | CV* xsub; |
78 | MAGIC* mg; |
79 | U16 flags = 0; |
80 | |
81 | sv_2mortal((SV*)xa); |
82 | |
83 | xsub = newXS(NULL, accessor_impl, __FILE__); |
84 | sv_2mortal((SV*)xsub); |
85 | |
86 | mg = sv_magicext((SV*)xsub, slot, PERL_MAGIC_ext, &mouse_accessor_vtbl, (char*)xa, HEf_SVKEY); |
87 | |
88 | /* NOTE: |
89 | * although we use MAGIC for gc, we also store mg to CvXSUBANY for efficiency (gfx) |
90 | */ |
91 | CvXSUBANY(xsub).any_ptr = (void*)mg; |
92 | |
93 | av_extend(xa, MOUSE_XA_last - 1); |
94 | |
95 | av_store(xa, MOUSE_XA_ATTRIBUTE, newSVsv(attr)); |
96 | |
97 | /* prepare attribute status */ |
98 | /* XXX: making it lazy is a good way? */ |
99 | |
100 | if(SvTRUEx(mcall0s(attr, "has_type_constraint"))){ |
101 | SV* tc; |
102 | flags |= MOUSEf_ATTR_HAS_TC; |
103 | |
104 | ENTER; |
105 | SAVETMPS; |
106 | |
107 | tc = mcall0s(attr, "type_constraint"); |
108 | av_store(xa, MOUSE_XA_TC, newSVsv(tc)); |
109 | |
110 | if(SvTRUEx(mcall0s(attr, "should_auto_deref"))){ |
111 | flags |= MOUSEf_ATTR_SHOULD_AUTO_DEREF; |
112 | if( SvTRUEx(mcall1s(tc, "is_a_type_of", newSVpvs_flags("ArrayRef", SVs_TEMP))) ){ |
113 | flags |= MOUSEf_TC_IS_ARRAYREF; |
114 | } |
115 | else if( SvTRUEx(mcall1s(tc, "is_a_type_of", newSVpvs_flags("HashRef", SVs_TEMP))) ){ |
116 | flags |= MOUSEf_TC_IS_HASHREF; |
117 | } |
118 | else{ |
119 | mouse_throw_error(attr, tc, |
120 | "Can not auto de-reference the type constraint '%"SVf"'", |
121 | mcall0(tc, mouse_name)); |
122 | } |
123 | } |
124 | |
125 | if(SvTRUEx(mcall0s(attr, "should_coerce"))){ |
126 | flags |= MOUSEf_ATTR_SHOULD_COERCE; |
127 | } |
128 | |
129 | FREETMPS; |
130 | LEAVE; |
131 | } |
132 | |
133 | if(SvTRUEx(mcall0s(attr, "has_trigger"))){ |
134 | flags |= MOUSEf_ATTR_HAS_TRIGGER; |
135 | } |
136 | |
137 | if(SvTRUEx(mcall0s(attr, "is_lazy"))){ |
138 | flags |= MOUSEf_ATTR_IS_LAZY; |
139 | |
140 | if(SvTRUEx(mcall0s(attr, "has_builder"))){ |
141 | flags |= MOUSEf_ATTR_HAS_BUILDER; |
142 | } |
143 | else if(SvTRUEx(mcall0s(attr, "has_default"))){ |
144 | flags |= MOUSEf_ATTR_HAS_DEFAULT; |
145 | } |
146 | } |
147 | |
148 | if(SvTRUEx(mcall0s(attr, "is_weak_ref"))){ |
149 | flags |= MOUSEf_ATTR_IS_WEAK_REF; |
150 | } |
151 | |
152 | if(SvTRUEx(mcall0s(attr, "is_required"))){ |
153 | flags |= MOUSEf_ATTR_IS_REQUIRED; |
154 | } |
155 | |
156 | MOUSE_mg_flags(mg) = flags; |
157 | |
158 | return xsub; |
159 | } |
160 | |
161 | static SV* |
162 | mouse_apply_type_constraint(pTHX_ AV* const xa, SV* value, U16 const flags){ |
163 | SV* const tc = MOUSE_xa_tc(xa); |
164 | SV* tc_code; |
165 | |
166 | if(flags & MOUSEf_ATTR_SHOULD_COERCE){ |
167 | value = mcall1s(tc, "coerce", value); |
168 | } |
169 | |
170 | if(!SvOK(MOUSE_xa_tc_code(xa))){ |
171 | XS(XS_Mouse__Util__TypeConstraints_Item); /* prototype defined in Mouse.xs */ |
172 | |
173 | tc_code = mcall0s(tc, "_compiled_type_constraint"); |
174 | |
175 | if(SvROK(tc_code) && SvTYPE(SvRV(tc_code)) |
176 | && CvXSUB((CV*)SvRV(tc_code)) == XS_Mouse__Util__TypeConstraints_Item){ |
177 | /* built-in type constraints */ |
178 | mouse_tc const id = CvXSUBANY((CV*)SvRV(tc_code)).any_i32; |
179 | av_store(xa, MOUSE_XA_TC_CODE, newSViv(id)); |
180 | } |
181 | else{ |
182 | av_store(xa, MOUSE_XA_TC_CODE, newSVsv(tc_code)); |
183 | } |
184 | } |
185 | else{ |
186 | tc_code = MOUSE_xa_tc_code(xa); |
187 | } |
188 | |
189 | if(!mouse_tc_check(aTHX_ tc_code, value)){ |
190 | mouse_throw_error(MOUSE_xa_attribute(xa), value, |
191 | "Attribute (%"SVf") does not pass the type constraint because: %"SVf, |
192 | mcall0(MOUSE_xa_attribute(xa), mouse_name), |
193 | mcall1s(tc, "get_message", value)); |
194 | } |
195 | |
196 | return value; |
197 | } |
198 | |
208ffaeb |
199 | #define PUSH_VALUE(value, flags) STMT_START { \ |
200 | if((flags) & MOUSEf_ATTR_SHOULD_AUTO_DEREF && GIMME_V == G_ARRAY){ \ |
201 | mouse_push_values(aTHX_ value, (flags)); \ |
202 | } \ |
203 | else{ \ |
204 | dSP; \ |
205 | XPUSHs(value ? value : &PL_sv_undef); \ |
206 | PUTBACK; \ |
207 | } \ |
208 | } STMT_END \ |
646c0371 |
209 | |
210 | /* pushes return values, does auto-deref if needed */ |
211 | static void |
212 | mouse_push_values(pTHX_ SV* const value, U16 const flags){ |
213 | dSP; |
214 | |
208ffaeb |
215 | assert( flags & MOUSEf_ATTR_SHOULD_AUTO_DEREF && GIMME_V == G_ARRAY ); |
646c0371 |
216 | |
208ffaeb |
217 | if(!(value && SvOK(value))){ |
218 | return; |
219 | } |
646c0371 |
220 | |
208ffaeb |
221 | if(flags & MOUSEf_TC_IS_ARRAYREF){ |
222 | AV* const av = (AV*)SvRV(value); |
223 | I32 len; |
224 | I32 i; |
646c0371 |
225 | |
208ffaeb |
226 | if(SvTYPE(av) != SVt_PVAV){ |
227 | croak("Mouse-panic: Not an ARRAY reference"); |
646c0371 |
228 | } |
646c0371 |
229 | |
208ffaeb |
230 | len = av_len(av) + 1; |
231 | EXTEND(SP, len); |
232 | for(i = 0; i < len; i++){ |
233 | SV** const svp = av_fetch(av, i, FALSE); |
234 | PUSHs(svp ? *svp : &PL_sv_undef); |
646c0371 |
235 | } |
236 | } |
208ffaeb |
237 | else if(flags & MOUSEf_TC_IS_HASHREF){ |
238 | HV* const hv = (HV*)SvRV(value); |
239 | HE* he; |
240 | |
241 | if(SvTYPE(hv) != SVt_PVHV){ |
242 | croak("Mouse-panic: Not a HASH reference"); |
243 | } |
244 | |
245 | hv_iterinit(hv); |
246 | while((he = hv_iternext(hv))){ |
247 | EXTEND(SP, 2); |
248 | PUSHs(hv_iterkeysv(he)); |
249 | PUSHs(hv_iterval(hv, he)); |
250 | } |
646c0371 |
251 | } |
252 | |
253 | PUTBACK; |
254 | } |
255 | |
256 | static void |
257 | mouse_attr_get(pTHX_ SV* const self, MAGIC* const mg){ |
258 | U16 const flags = MOUSE_mg_flags(mg); |
259 | SV* const slot = MOUSE_mg_slot(mg); |
260 | SV* value; |
261 | |
262 | value = mouse_instance_get_slot(aTHX_ self, slot); |
263 | |
264 | /* check_lazy */ |
265 | if( !value && flags & MOUSEf_ATTR_IS_LAZY ){ |
266 | AV* const xa = MOUSE_mg_xa(mg); |
267 | SV* const attr = MOUSE_xa_attribute(xa); |
268 | |
269 | /* get default value by $attr->default or $attr->builder */ |
270 | if(flags & MOUSEf_ATTR_HAS_DEFAULT){ |
271 | value = mcall0s(attr, "default"); |
272 | |
273 | if(SvROK(value) && SvTYPE(SvRV(value)) == SVt_PVCV){ |
274 | value = mcall0(self, value); |
275 | } |
276 | } |
277 | else if(flags & MOUSEf_ATTR_HAS_BUILDER){ |
278 | SV* const builder = mcall0s(attr, "builder"); |
279 | value = mcall0(self, builder); |
280 | } |
281 | |
282 | if(!value){ |
283 | value = sv_newmortal(); |
284 | } |
285 | |
286 | /* apply coerce and type constraint */ |
287 | if(flags & MOUSEf_ATTR_HAS_TC){ |
288 | value = mouse_apply_type_constraint(aTHX_ xa, value, flags); |
289 | } |
290 | |
291 | /* store value to slot */ |
292 | value = mouse_instance_set_slot(aTHX_ self, slot, value); |
293 | } |
294 | |
208ffaeb |
295 | PUSH_VALUE(value, flags); |
646c0371 |
296 | } |
297 | |
298 | static void |
299 | mouse_attr_set(pTHX_ SV* const self, MAGIC* const mg, SV* value){ |
300 | U16 const flags = MOUSE_mg_flags(mg); |
301 | SV* const slot = MOUSE_mg_slot(mg); |
302 | |
303 | if(flags & MOUSEf_ATTR_HAS_TC){ |
304 | value = mouse_apply_type_constraint(aTHX_ MOUSE_mg_xa(mg), value, flags); |
305 | } |
306 | |
307 | mouse_instance_set_slot(aTHX_ self, slot, value); |
308 | |
309 | if(flags & MOUSEf_ATTR_IS_WEAK_REF){ |
310 | mouse_instance_weaken_slot(aTHX_ self, slot); |
311 | } |
312 | |
313 | if(flags & MOUSEf_ATTR_HAS_TRIGGER){ |
314 | SV* const trigger = mcall0s(MOUSE_mg_attribute(mg), "trigger"); |
315 | dSP; |
316 | |
317 | PUSHMARK(SP); |
318 | EXTEND(SP, 2); |
319 | PUSHs(self); |
320 | PUSHs(value); |
321 | |
322 | PUTBACK; |
323 | call_sv(trigger, G_VOID | G_DISCARD); |
324 | /* need not SPAGAIN */ |
325 | } |
326 | |
208ffaeb |
327 | PUSH_VALUE(value, flags); |
646c0371 |
328 | } |
329 | |
330 | XS(mouse_xs_accessor) |
331 | { |
332 | dVAR; dXSARGS; |
333 | dMOUSE_self; |
334 | MAGIC* const mg = (MAGIC*)XSANY.any_ptr; |
335 | |
336 | SP -= items; /* PPCODE */ |
337 | PUTBACK; |
338 | |
339 | if(items == 1){ /* reader */ |
340 | mouse_attr_get(aTHX_ self, mg); |
341 | } |
342 | else if (items == 2){ /* writer */ |
343 | mouse_attr_set(aTHX_ self, mg, ST(1)); |
344 | } |
345 | else{ |
346 | mouse_throw_error(MOUSE_mg_attribute(mg), NULL, |
347 | "Expected exactly one or two argument for an accessor"); |
348 | } |
349 | } |
350 | |
351 | |
352 | XS(mouse_xs_reader) |
353 | { |
354 | dVAR; dXSARGS; |
355 | dMOUSE_self; |
356 | MAGIC* const mg = (MAGIC*)XSANY.any_ptr; |
357 | |
358 | if (items != 1) { |
359 | mouse_throw_error(MOUSE_mg_attribute(mg), NULL, |
360 | "Cannot assign a value to a read-only accessor"); |
361 | } |
362 | |
363 | SP -= items; /* PPCODE */ |
364 | PUTBACK; |
365 | |
366 | mouse_attr_get(aTHX_ self, mg); |
367 | } |
368 | |
369 | XS(mouse_xs_writer) |
370 | { |
371 | dVAR; dXSARGS; |
372 | dMOUSE_self; |
373 | MAGIC* const mg = (MAGIC*)XSANY.any_ptr; |
374 | |
375 | if (items != 2) { |
376 | mouse_throw_error(MOUSE_mg_attribute(mg), NULL, |
377 | "Too few arguments for a write-only accessor"); |
378 | } |
379 | |
380 | SP -= items; /* PPCODE */ |
381 | PUTBACK; |
382 | |
383 | mouse_attr_set(aTHX_ self, mg, ST(1)); |
384 | } |
385 | |
386 | /* simple accessors */ |
387 | |
388 | /* |
389 | static MAGIC* |
390 | mouse_accessor_get_mg(pTHX_ CV* const xsub){ |
391 | return moose_mg_find(aTHX_ (SV*)xsub, &mouse_simple_accessor_vtbl, MOOSEf_DIE_ON_FAIL); |
392 | } |
393 | */ |
394 | |
395 | CV* |
396 | mouse_install_simple_accessor(pTHX_ const char* const fq_name, const char* const key, I32 const keylen, XSUBADDR_t const accessor_impl){ |
397 | CV* const xsub = newXS((char*)fq_name, accessor_impl, __FILE__); |
398 | SV* const slot = newSVpvn_share(key, keylen, 0U); |
399 | MAGIC* mg; |
400 | |
401 | if(!fq_name){ |
402 | /* anonymous xsubs need sv_2mortal */ |
403 | sv_2mortal((SV*)xsub); |
404 | } |
405 | |
406 | mg = sv_magicext((SV*)xsub, slot, PERL_MAGIC_ext, &mouse_accessor_vtbl, NULL, 0); |
407 | SvREFCNT_dec(slot); /* sv_magicext() increases refcnt in mg_obj */ |
408 | |
409 | /* NOTE: |
410 | * although we use MAGIC for gc, we also store mg to CvXSUBANY for efficiency (gfx) |
411 | */ |
412 | CvXSUBANY(xsub).any_ptr = (void*)mg; |
413 | |
414 | return xsub; |
415 | } |
416 | |
417 | XS(mouse_xs_simple_reader) |
418 | { |
419 | dVAR; dXSARGS; |
420 | dMOUSE_self; |
421 | SV* const slot = MOUSE_mg_slot((MAGIC*)XSANY.any_ptr); |
422 | SV* value; |
423 | |
424 | if (items != 1) { |
425 | croak("Expected exactly one argument for a reader for '%"SVf"'", slot); |
426 | } |
427 | |
428 | value = mouse_instance_get_slot(aTHX_ self, slot); |
429 | ST(0) = value ? value : &PL_sv_undef; |
430 | XSRETURN(1); |
431 | } |
432 | |
433 | |
434 | XS(mouse_xs_simple_writer) |
435 | { |
436 | dVAR; dXSARGS; |
437 | dMOUSE_self; |
438 | SV* const slot = MOUSE_mg_slot((MAGIC*)XSANY.any_ptr); |
439 | |
440 | if (items != 2) { |
441 | croak("Expected exactly two argument for a writer for '%"SVf"'", slot); |
442 | } |
443 | |
444 | ST(0) = mouse_instance_set_slot(aTHX_ self, slot, ST(1)); |
445 | XSRETURN(1); |
446 | } |
447 | |
448 | XS(mouse_xs_simple_clearer) |
449 | { |
450 | dVAR; dXSARGS; |
451 | dMOUSE_self; |
452 | SV* const slot = MOUSE_mg_slot((MAGIC*)XSANY.any_ptr); |
453 | SV* value; |
454 | |
455 | if (items != 1) { |
456 | croak("Expected exactly one argument for a clearer for '%"SVf"'", slot); |
457 | } |
458 | |
459 | value = mouse_instance_delete_slot(aTHX_ self, slot); |
460 | ST(0) = value ? value : &PL_sv_undef; |
461 | XSRETURN(1); |
462 | } |
463 | |
464 | XS(mouse_xs_simple_predicate) |
465 | { |
466 | dVAR; dXSARGS; |
467 | dMOUSE_self; |
468 | SV* const slot = MOUSE_mg_slot((MAGIC*)XSANY.any_ptr); |
469 | |
470 | if (items != 1) { |
471 | croak("Expected exactly one argument for a predicate for '%"SVf"'", slot); |
472 | } |
473 | |
474 | ST(0) = boolSV( mouse_instance_has_slot(aTHX_ self, slot) ); |
475 | XSRETURN(1); |
476 | } |
477 | |
478 | /* simple instance slot accessor */ |
479 | |
480 | SV* |
481 | mouse_instance_create(pTHX_ HV* const stash) { |
482 | assert(stash); |
483 | return sv_bless( newRV_noinc((SV*)newHV()), stash ); |
484 | } |
485 | |
486 | SV* |
487 | mouse_instance_clone(pTHX_ SV* const instance) { |
488 | HV* proto; |
489 | assert(instance); |
490 | |
491 | CHECK_INSTANCE(instance); |
492 | proto = newHVhv((HV*)SvRV(instance)); |
493 | return sv_bless( newRV_noinc((SV*)proto), SvSTASH(SvRV(instance)) ); |
494 | } |
495 | |
496 | bool |
497 | mouse_instance_has_slot(pTHX_ SV* const instance, SV* const slot) { |
498 | assert(instance); |
499 | assert(slot); |
500 | CHECK_INSTANCE(instance); |
501 | return hv_exists_ent((HV*)SvRV(instance), slot, 0U); |
502 | } |
503 | |
504 | SV* |
505 | mouse_instance_get_slot(pTHX_ SV* const instance, SV* const slot) { |
506 | HE* he; |
507 | assert(instance); |
508 | assert(slot); |
509 | CHECK_INSTANCE(instance); |
510 | he = hv_fetch_ent((HV*)SvRV(instance), slot, FALSE, 0U); |
511 | return he ? HeVAL(he) : NULL; |
512 | } |
513 | |
514 | SV* |
515 | mouse_instance_set_slot(pTHX_ SV* const instance, SV* const slot, SV* const value) { |
516 | HE* he; |
517 | SV* sv; |
518 | assert(instance); |
519 | assert(slot); |
520 | assert(value); |
521 | CHECK_INSTANCE(instance); |
522 | he = hv_fetch_ent((HV*)SvRV(instance), slot, TRUE, 0U); |
523 | sv = HeVAL(he); |
524 | sv_setsv_mg(sv, value); |
525 | return sv; |
526 | } |
527 | |
528 | SV* |
529 | mouse_instance_delete_slot(pTHX_ SV* const instance, SV* const slot) { |
530 | assert(instance); |
531 | assert(slot); |
532 | CHECK_INSTANCE(instance); |
533 | return hv_delete_ent((HV*)SvRV(instance), slot, 0, 0U); |
534 | } |
535 | |
536 | void |
537 | mouse_instance_weaken_slot(pTHX_ SV* const instance, SV* const slot) { |
538 | HE* he; |
539 | assert(instance); |
540 | assert(slot); |
541 | CHECK_INSTANCE(instance); |
542 | he = hv_fetch_ent((HV*)SvRV(instance), slot, FALSE, 0U); |
543 | if(he){ |
544 | sv_rvweaken(HeVAL(he)); |
545 | } |
546 | } |
547 | \r |
548 | MODULE = Mouse::Meta::Method::Accessor::XS PACKAGE = Mouse::Meta::Method::Accessor::XS |
549 | |
550 | PROTOTYPES: DISABLE |
551 | VERSIONCHECK: DISABLE |
552 | |
553 | CV* |
554 | _generate_accessor(klass, SV* attr, metaclass) |
555 | CODE: |
556 | { |
557 | RETVAL = mouse_instantiate_xs_accessor(aTHX_ attr, mouse_xs_accessor); |
558 | } |
559 | OUTPUT: |
560 | RETVAL |
561 | |
562 | CV* |
563 | _generate_reader(klass, SV* attr, metaclass) |
564 | CODE: |
565 | { |
566 | RETVAL = mouse_instantiate_xs_accessor(aTHX_ attr, mouse_xs_reader); |
567 | } |
568 | OUTPUT: |
569 | RETVAL |
570 | |
571 | CV* |
572 | _generate_writer(klass, SV* attr, metaclass) |
573 | CODE: |
574 | { |
575 | RETVAL = mouse_instantiate_xs_accessor(aTHX_ attr, mouse_xs_writer); |
576 | } |
577 | OUTPUT: |
578 | RETVAL |
579 | |
580 | CV* |
581 | _generate_clearer(klass, SV* attr, metaclass) |
582 | CODE: |
583 | { |
584 | SV* const slot = mcall0s(attr, "name"); |
585 | STRLEN len; |
586 | const char* const pv = SvPV_const(slot, len); |
587 | RETVAL = mouse_install_simple_accessor(aTHX_ NULL, pv, len, mouse_xs_simple_clearer); |
588 | } |
589 | OUTPUT: |
590 | RETVAL |
591 | |
592 | CV* |
593 | _generate_predicate(klass, SV* attr, metaclass) |
594 | CODE: |
595 | { |
596 | SV* const slot = mcall0s(attr, "name"); |
597 | STRLEN len; |
598 | const char* const pv = SvPV_const(slot, len); |
599 | RETVAL = mouse_install_simple_accessor(aTHX_ NULL, pv, len, mouse_xs_simple_predicate); |
600 | } |
601 | OUTPUT: |
602 | RETVAL |
603 | |