5 #define NEED_newRV_noinc
6 #define NEED_newSVpvn_share
7 #define NEED_sv_2pv_flags
11 #define XSPROTO(name) void name(pTHX_ CV* cv)
15 #define gv_stashpvs(x, y) Perl_gv_stashpvn(aTHX_ STR_WITH_LEN(x), y)
19 * delegations and attribute helpers:
28 * I32 *type; // hash, array, whatever + vtable for operation
38 /* These two functions attach magic with no behavior to an SV.
40 * The stashed value is reference counted, and is destroyed when it's parent
41 * object is destroyed.
43 * This is used to keep a reference the the meta attribute from a generated
44 * method, and to cache the C struct based wrapper attached to the meta
48 STATIC MGVTBL null_mg_vtbl = {
62 #endif /* MGf_LOCAL */
65 STATIC MAGIC *stash_in_mg (pTHX_ SV *sv, SV *obj) {
66 MAGIC *mg = sv_magicext(sv, obj, PERL_MAGIC_ext, &null_mg_vtbl, NULL, 0 );
67 mg->mg_flags |= MGf_REFCOUNTED;
72 STATIC SV *get_stashed_in_mg(pTHX_ SV *sv) {
75 if (SvTYPE(sv) >= SVt_PVMG) {
76 for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
77 if ((mg->mg_type == PERL_MAGIC_ext) && (mg->mg_virtual == &null_mg_vtbl))
95 /* The folloing data structures deal with type constraints */
97 /* this is an enum of the various kinds of constraint checking an attribute can
100 * tc_cv is the fallback behavior (simply applying the
101 * ->_compiled_type_constraint to the value, but other more optimal checks are
102 * implemented too. */
105 tc_none = 0, /* no type checking */
106 tc_type, /* a builtin type to be checked by check_sv_type */
107 tc_stash, /* a stash for a class, implements TypeConstraint::Class by comparing SvSTASH and then invoking C<isa> if necessary */
108 tc_cv, /* applies a code reference to the value and checks for truth */
109 tc_fptr, /* apply a C function pointer */
110 tc_enum /* TODO check that the value is in an allowed set of values (strings) */
113 /* this is a enum of builtin type check. They are handled in a switch statement
114 * in check_sv_type */
116 Any, /* or item, or bool */
122 GlobRef, /* SVt_PVGV */
123 ArrayRef, /* SVt_PVAV */
124 HashRef, /* SVt_PVHV */
125 CodeRef, /* SVt_PVCV */
128 FileHandle, /* TODO */
135 /* auxillary pointer/int union used for constraint checking */
137 TC type; /* the builtin type number for tc_type */
138 SV *sv; /* the cv for tc_cv, or the stash for tc_stash */
139 OP *op; /* TODO not used */
140 bool (*fptr)(pTHX_ SV *type_constraint, SV *sv); /* the function pointer for tc_fptr FIXME aux data? */
148 /* The folloing data structures deal with type default value generation */
150 /* This is an enum for the various types of default value behaviors an
151 * attribute can have */
154 default_none = 0, /* no default value */
155 default_normal, /* code reference or scalar */
156 default_builder, /* builder method */
157 default_type /* TODO enumerated type optimization (will call newHV, newAV etc to avoid calling a code ref for these simple cases) */
161 SV *sv; /* The default value, or a code ref to generate one. If builder then this sv is applied as a method (stringified) */
162 U32 type; /* TODO for default_type, should probably be one of SVt_PVAV/SVt_PVHV */
170 /* the ATTR struct contains all the meta data for a Moose::Meta::Attribute for
171 * a given meta instance
173 * flags determines the various behaviors
175 * This supports only one slot per attribute in the current implementation, but
176 * slot_sv could contain an array
178 * A list of XSUBs that rely on this attr struct are cross indexed in the cvs
179 * array, so that when the meta instance is destroyed the XSANY field will be
180 * cleared. This is done in delete_mi
184 /* pointer to the MI this attribute is a part of the meta instance struct */
187 U32 flags; /* slot type, TC behavior, coerce, weaken, (no default | default, builder + lazy), auto_deref */
189 /* slot access fields */
190 SV *slot_sv; /* value of the slot (currently always slot name) */
191 U32 slot_u32; /* for optimized access (precomputed hash, possibly something else) */
196 DEFAULT def; /* cv, value or other, depending on flags */
198 TC_CHECK tc_check; /* see TC_CHECK*/
199 SV *type_constraint; /* Moose::Meta::TypeConstraint object */
201 CV *initializer; /* TODO */
202 CV *trigger; /* TODO */
204 SV *meta_attr; /* the Moose::Meta::Attribute */
205 AV *cvs; /* an array of CVs which use this attr, see delete_mi */
208 /* the flags integer is mapped as follows
209 * instance misc reading writing
210 * 00000000 00000000 00000000 00000000
214 * ^ tc.sv is refcounted
221 * ^ def.sv is refcounted
224 * ^ attr is required TODO
226 * flags having to do with the instance layout (TODO, only hash supported for now)
227 * ^^^^^^^ if 0 then nothing special (just hash)? FIXME TBD
230 #define ATTR_INSTANCE_MASK 0xff000000
231 #define ATTR_READING_MASK 0x0000ff00
232 #define ATTR_WRITING_MASK 0x000000ff
234 #define ATTR_MASK_TYPE 0x7
236 #define ATTR_MASK_DEFAULT 0x700
237 #define ATTR_SHIFT_DEFAULT 8
239 #define ATTR_LAZY 0x800
240 #define ATTR_DEFREFCNT 0x1000
242 #define ATTR_COERCE 0x8
243 #define ATTR_TCREFCNT 0x10
244 #define ATTR_WEAK 0x20
245 #define ATTR_TRIGGER 0x40
247 #define ATTR_ISWEAK(attr) ( attr->flags & ATTR_WEAK )
248 #define ATTR_ISLAZY(attr) ( attr->flags & ATTR_LAZY )
249 #define ATTR_ISCOERCE(attr) ( attr->flags & ATTR_COERCE )
251 #define ATTR_TYPE(f) ( attr->flags & 0x7 )
252 #define ATTR_DEFAULT(f) ( ( attr->flags & ATTR_MASK_DEFAULT ) >> ATTR_SHIFT_DEFAULT )
254 #define ATTR_DUMB_READER(attr) !ATTR_IS_LAZY(attr)
255 #define ATTR_DUMB_WRITER(attr) ( ( attr->flags & ATTR_WRITING_MASK ) == 0 )
256 #define ATTR_DUMB_INSTANCE(attr) ( ( attr->flags & ATTR_INSTANCE_MASK ) == 0 )
260 /* This unused (TODO) vtable will implement the meta instance protocol in terms
261 * of function pointers to allow the XS accessors to be used with custom meta
262 * instances in the future.
264 * We'll need to define a default instance of this vtable that uses call_sv,
267 /* FIXME define a vtable that does call_sv for fallback meta instance protocol */
269 SV * (*get)(pTHX_ SV *self, ATTR *attr);
270 void (*set)(pTHX_ SV *self, ATTR *attr, SV *value);
271 bool * (*has)(pTHX_ SV *self, ATTR *attr);
272 SV * (*delete)(pTHX_ SV *self, ATTR *attr);
275 /* TODO this table describes the instance layout of the object. Not yet
280 /* these are not yet implemented */
288 /* this struct models the meta instance *and* meta attributes simultaneously.
289 * It is a cache of the meta attribute behaviors for a given class or subclass
290 * and can be parametrized on that level
293 * An object pointing to this structure is kept in a refcounted magic inside
294 * the meta instance it corresponds to. On C<invalidate_meta_instance> the meta
295 * instance is destroyed, causing the proxy object to be destroyed, deleting
296 * this structure, clearing the XSANY of all dependent attribute methods.
298 * The next invocation of an attribute method will eventually call get_attr,
299 * which will call C<get_meta_instance> on the metaclass (recreating it in the
300 * Class::MOP level), and cache a new MI struct inside it. Subsequent
301 * invocations of get_attr will then search the MI for an ATTR matching the
302 * meta_attribute of the attribute method */
306 /* slot access method */
307 instance_types type; /* TODO only hashes supported currently */
308 instance_vtbl *vtbl; /* TODO */
310 /* attr descriptors */
322 /* these functions implement type constraint checking */
324 /* checks that the SV is a scalar ref */
325 STATIC bool check_is_scalar_ref(SV *sv) {
327 switch (SvTYPE(SvRV(sv))) {
341 /* checks that the SV is a ref to a certain SvTYPE, where type is in the table
343 STATIC bool check_reftype(TC type, SV *sv) {
363 croak("not a reftype %d\n", type);
366 return SvTYPE(SvRV(sv)) == svt;
369 /* checks whether an SV is of a certain class
370 * SvSTASH is first compared by pointer for efficiency */
371 STATIC bool check_sv_class(pTHX_ HV *stash, SV *sv) {
384 if (SvSTASH(rv) == stash)
391 XPUSHs(sv_2mortal(newSVpv(HvNAME_get(stash), 0)));
394 call_method("isa", G_SCALAR);
405 /* checks whether SV of of a known simple type. Most of the non parametrized
406 * Moose core types are implemented here */
407 STATIC bool check_sv_type (TC type, SV *sv) {
422 return (SvOK(sv) && !SvROK(sv));
424 #if (PERL_VERSION < 8) || (PERL_VERSION == 8 && PERL_SUBVERSION <5)
425 if (!SvPOK(sv) && !SvPOKp(sv))
426 return SvFLAGS(sv) & (SVf_NOK|SVp_NOK|SVf_IOK|SVp_IOK);
429 return looks_like_number(sv);
434 } else if ( SvPOK(sv) ) {
435 /* FIXME i really don't like this */
438 char *pv = SvPV(sv, len);
439 char *end = pv + len;
443 i = strtol(pv, &tail, 0);
445 if ( errno ) return 0;
447 while ( tail != end ) {
448 if ( !isspace(*tail++) ) return 0;
459 return check_is_scalar_ref(sv);
465 return check_reftype(type, sv);
469 if ( sv_isobject(sv) ) {
470 char *name = HvNAME_get(SvSTASH(SvRV(sv)));
471 bool is_regexp = strEQ("Regexp", name);
472 return ( type == RegexpRef ? is_regexp : !is_regexp );
477 if ( SvOK(sv) && !SvROK(sv) ) {
481 return ( gv_stashpvn(pv, len, 0) != NULL );
495 /* invoke a CV on an SV and return SvTRUE of the result */
496 STATIC bool check_sv_cv (pTHX_ SV *cv, SV *sv) {
506 call_sv(cv, G_SCALAR);
518 /* checks the type constraint for an SV based on the type constraint kind */
519 STATIC bool check_type_constraint(pTHX_ tc_kind kind, TC_CHECK tc_check, SV *type_constraint, SV *sv) {
525 return check_sv_type(tc_check.type, sv);
528 return check_sv_class(aTHX_ (HV *)tc_check.sv, sv);
531 return tc_check.fptr(aTHX_ type_constraint, sv);
534 return check_sv_cv(aTHX_ tc_check.sv, sv);
546 /* end of type constraint checking functions */
556 /* Initialize the ATTR structure using positional arguments from Perl space. */
558 STATIC void init_attr (MI *mi, ATTR *attr, AV *desc) {
560 U32 slot_hash, init_arg_hash;
561 STRLEN slot_len, init_arg_len;
562 char *slot_pv, *init_arg_pv;
563 I32 ix = av_len(desc);
564 SV **params = AvARRAY(desc);
572 croak("wrong number of args (%d != 14)", (int)ix + 1);
574 for ( ; ix >= 0; ix-- ) {
575 if ( !params[ix] || params[ix] == &PL_sv_undef )
581 /* handle attribute slot array */
583 if ( !SvROK(params[1]) || SvTYPE(SvRV(params[1])) != SVt_PVAV )
584 croak("slots is not an array");
586 if ( av_len((AV *)SvRV(params[1])) != 0 )
587 croak("Only unary slots are supported at the moment");
589 /* calculate a hash from the slot */
590 /* FIXME arrays etc should also be supported */
591 slot_sv = *av_fetch((AV *)SvRV(params[1]), 0, 0);
592 slot_pv = SvPV(slot_sv, slot_len);
593 PERL_HASH(slot_hash, slot_pv, slot_len);
596 init_arg_sv = params[13];
597 init_arg_pv = SvPV(init_arg_sv, init_arg_len);
598 PERL_HASH(init_arg_hash, init_arg_pv, init_arg_len);
601 /* FIXME better organize these, positionals suck */
602 if ( SvTRUE(params[2]) )
605 if ( SvTRUE(params[3]) )
606 flags |= ATTR_COERCE;
608 if ( SvTRUE(params[4]) )
613 /* type constraint data */
618 int tc_kind = SvIV(params[6]);
619 SV *data = params[7];
623 attr->tc_check.type = SvIV(data);
626 flags |= ATTR_TCREFCNT;
627 attr->tc_check.sv = (SV *)gv_stashsv(data, 0);
630 flags |= ATTR_TCREFCNT;
631 attr->tc_check.sv = SvRV(data);
632 if ( SvTYPE(attr->tc_check.sv) != SVt_PVCV )
633 croak("compiled type constraint is not a coderef");
644 /* default/builder data */
646 if ( SvTRUE(params[10]) ) { /* has default */
650 attr->def.sv = SvRV(sv);
651 if ( SvTYPE(attr->def.sv) != SVt_PVCV )
652 croak("compiled type constraint is not a coderef");
654 attr->def.sv = newSVsv(sv);
655 sv_2mortal(attr->def.sv); /* in case of error soon, we refcnt inc it later after we're done checking params */
658 flags |= ( ATTR_DEFREFCNT | ( default_normal << ATTR_SHIFT_DEFAULT ) );
659 } else if ( SvOK(params[12]) ) { /* builder */
660 attr->def.sv = newSVsv(params[12]);
661 flags |= ( ATTR_DEFREFCNT | ( default_builder << ATTR_SHIFT_DEFAULT ) );
666 attr->trigger = SvROK(params[6]) ? (CV *)SvRV(params[6]) : NULL;
667 if ( attr->trigger && SvTYPE(attr->trigger) != SVt_PVCV )
668 croak("trigger is not a coderef");
670 attr->initializer = SvROK(params[7]) ? (CV *)SvRV(params[7]) : NULL;
671 if ( attr->initializer && SvTYPE(attr->initializer) != SVt_PVCV )
672 croak("initializer is not a coderef");
676 /* now that we're done preparing/checking args and shit, so we finalize the
677 * attr, increasing refcounts for any referenced data, and creating the CV
682 /* copy the outer ref SV */
683 attr->meta_attr = newSVsv(params[0]);
684 attr->type_constraint = newSVsv(tc);
686 /* increase the refcount for auxillary structures */
687 SvREFCNT_inc(attr->trigger);
688 SvREFCNT_inc(attr->initializer);
689 if ( flags & ATTR_TCREFCNT ) SvREFCNT_inc(attr->tc_check.sv);
690 if ( flags & ATTR_DEFREFCNT ) SvREFCNT_inc(attr->def.sv);
692 attr->slot_sv = newSVpvn_share(slot_pv, slot_len, slot_hash);
693 attr->slot_u32 = slot_hash;
695 attr->init_arg_sv = newSVpvn_share(init_arg_pv, init_arg_len, init_arg_hash);
696 attr->init_arg_u32 = init_arg_hash;
698 /* cross refs to CVs which use this struct */
702 STATIC SV *new_mi (pTHX_ HV *stash, AV *attrs) {
703 HV *mi_stash = gv_stashpvs("Moose::XS::Meta::Instance",0);
704 SV *sv_ptr = newSViv(0);
705 SV *obj = sv_2mortal(sv_bless(newRV_noinc(sv_ptr), mi_stash));
707 const I32 num_attrs = av_len(attrs) + 1;
711 /* set the pointer now, if we have any initialization errors it'll get
712 * cleaned up because obj is mortal */
713 sv_setiv(sv_ptr, PTR2IV(mi));
715 Newxz(mi->attrs, num_attrs, ATTR);
717 SvREFCNT_inc_simple(stash);
720 mi->type = 0; /* nothing else implemented yet */
722 /* initialize attributes */
723 for ( ; mi->num_attrs < num_attrs; mi->num_attrs++ ) {
724 SV **desc = av_fetch(attrs, mi->num_attrs, 0);
726 if ( !desc || !*desc || !SvROK(*desc) || !(SvTYPE(SvRV(*desc)) == SVt_PVAV) ) {
727 croak("Attribute descriptor has to be a hash reference");
730 init_attr(mi, &mi->attrs[mi->num_attrs], (AV *)SvRV(*desc));
736 STATIC void delete_attr (pTHX_ ATTR *attr) {
738 SV **cvs = AvARRAY(attr->cvs);
740 /* remove the pointers to this ATTR struct from all the the dependent CVs */
741 for ( i = av_len(attr->cvs); i >= 0; i-- ) {
742 CV *cv = (CV *)cvs[i];
746 SvREFCNT_dec(attr->cvs);
747 SvREFCNT_dec(attr->slot_sv);
748 SvREFCNT_dec(attr->type_constraint);
749 if ( attr->flags & ATTR_TCREFCNT ) SvREFCNT_dec(attr->tc_check.sv);
750 if ( attr->flags & ATTR_DEFREFCNT ) SvREFCNT_dec(attr->def.sv);
751 SvREFCNT_dec(attr->initializer);
752 SvREFCNT_dec(attr->trigger);
753 SvREFCNT_dec(attr->meta_attr);
756 STATIC void delete_mi (pTHX_ MI *mi) {
757 SvREFCNT_dec(mi->stash);
759 while ( mi->num_attrs--) {
760 ATTR *attr = &mi->attrs[mi->num_attrs];
761 delete_attr(aTHX_ attr);
764 if ( mi->attrs ) Safefree(mi->attrs);
771 /* these functions call Perl-space for MOP methods, helpers etc */
774 /* wow, so much code for the equivalent of
775 * $attr->associated_class->get_meta_instance */
776 STATIC SV *attr_to_meta_instance(pTHX_ SV *meta_attr) {
782 croak("No attr found in magic!");
791 count = call_pv("Moose::XS::attr_to_meta_instance", G_SCALAR);
794 croak("attr_to_meta_instance borked (%d args returned, expecting 1)", (int)count);
805 return sv_2mortal(mi);
808 /* gets a class and an array of attr parameters */
809 STATIC SV *perl_mi_to_c_mi(pTHX_ SV *perl_mi) {
824 count = call_pv("Moose::XS::meta_instance_to_attr_descs", G_ARRAY);
827 croak("meta_instance_to_attr_descs borked (%d args returned, expecting 2)", (int)count);
835 stash = gv_stashsv(class, 0);
837 mi = new_mi(aTHX_ stash, (AV *)SvRV(attrs));
843 return sv_2mortal(mi);
848 /* locate an ATTR for a MOP level attribute inside an MI */
849 STATIC ATTR *mi_find_attr(SV *mi_obj, SV *meta_attr) {
851 MI *mi = INT2PTR(MI *, SvIV(SvRV(mi_obj)));
853 for ( ix = 0; ix < mi->num_attrs; ix++ ) {
854 if ( SvRV(mi->attrs[ix].meta_attr) == SvRV(meta_attr) ) {
855 return &mi->attrs[ix];
859 croak("Attr %x not found in meta instance of %s", (unsigned int)PTR2UV(SvRV(meta_attr)) /* SvPV_force_nomg(sv_2mortal(newSVsv(meta_attr))) */, HvNAME_get(mi->stash) );
863 /* returns the ATTR for a CV:
865 * 1. get the Moose::Meta::Attribute using get_stashed_in_mg from the CV itself
866 * 2. get the meta instance by calling $attr->associated_class->get_meta_instance
867 * 3. get the MI by using get_stashed_in_mg from the meta instance, creating it if necessary
868 * 4. search for the appropriate ATTR in the MI using mi_find_attr
870 STATIC ATTR *get_attr(pTHX_ CV *cv) {
871 SV *meta_attr = get_stashed_in_mg(aTHX_ (SV *)cv);
872 SV *perl_mi = attr_to_meta_instance(aTHX_ meta_attr);
873 SV *mi_obj = get_stashed_in_mg(aTHX_ SvRV(perl_mi));
876 mi_obj = perl_mi_to_c_mi(aTHX_ perl_mi);
877 stash_in_mg(aTHX_ SvRV(perl_mi), mi_obj);
880 return mi_find_attr(mi_obj, meta_attr);
883 /* Cache a pointer to the appropriate ATTR in the XSANY of the CV, using
885 STATIC ATTR *define_attr (pTHX_ CV *cv) {
886 ATTR *attr = get_attr(aTHX_ cv);
889 XSANY.any_i32 = PTR2IV(attr);
892 av_push( attr->cvs, (SV *)cv );
903 STATIC void weaken(pTHX_ SV *sv) {
905 sv_rvweaken(sv); /* FIXME i think this might warn when weakening an already weak ref */
907 croak("weak references are not implemented in this release of perl");
916 /* meta instance protocol
918 * The slot functions don't change the refcount or copy (aliasing semantics)
920 * create_instance returns a new mortal */
922 STATIC SV *get_slot_lvalue(pTHX_ SV *self, ATTR *attr) {
927 assert(SvTYPE(SvRV(self)) == SVt_PVHV);
929 assert( ATTR_DUMB_INSTANCE(attr) );
931 if ((he = hv_fetch_ent((HV *)SvRV(self), attr->slot_sv, 0, attr->slot_u32)))
937 STATIC bool set_slot_value(pTHX_ SV *self, ATTR *attr, SV *value) {
942 assert(SvTYPE(SvRV(self)) == SVt_PVHV);
944 assert( ATTR_DUMB_INSTANCE(attr) );
946 he = hv_store_ent((HV*)SvRV(self), attr->slot_sv, value, attr->slot_u32);
951 STATIC bool has_slot_value(pTHX_ SV *self, ATTR *attr) {
954 assert(SvTYPE(SvRV(self)) == SVt_PVHV);
956 assert( ATTR_DUMB_INSTANCE(attr) );
958 return hv_exists_ent((HV *)SvRV(self), attr->slot_sv, attr->slot_u32);
961 STATIC SV *deinitialize_slot(pTHX_ SV *self, ATTR *attr) {
964 assert(SvTYPE(SvRV(self)) == SVt_PVHV);
966 assert( ATTR_DUMB_INSTANCE(attr) );
968 return hv_delete_ent((HV *)SvRV(self), attr->slot_sv, 0, attr->slot_u32);
971 STATIC SV *create_instance(pTHX_ MI *mi) {
972 return sv_bless(sv_2mortal(newRV_noinc((SV *)newHV())), mi->stash);
978 /* Shared functionality for readers/writers/accessors, this roughly corresponds
979 * to the methods of Moose::Meta::Attribute on the instance
980 * (get_value/set_value, default value handling, etc)
982 * These functions return mortal copiess and save copies (handling refcounting). */
984 STATIC void attr_set_value(pTHX_ SV *self, ATTR *attr, SV *value);
986 STATIC SV *call_builder (pTHX_ SV *self, ATTR *attr) {
996 /* we invoke the builder as a stringified method. This will not work for
997 * $obj->$coderef etc, for that we need to use 'default' */
999 call_method(SvPV_nolen(attr->def.sv), G_SCALAR);
1002 /* the value is a mortal with a refcount of 1, so we need to keep it around */
1010 return sv_2mortal(sv);
1014 STATIC SV *get_default(pTHX_ SV *self, ATTR *attr) {
1015 switch ( ATTR_DEFAULT(attr) ) {
1019 case default_builder:
1020 return call_builder(aTHX_ self, attr);
1022 case default_normal:
1023 if ( SvROK(attr->def.sv) ) {
1024 printf("CV default\n");
1027 printf("simple value\n");
1028 return sv_mortalcopy(attr->def.sv); /* will be copied by set for lazy, and by reader for both cases */
1039 /* $attr->get_value($self), will vivify lazy values if needed
1040 * returns an alias to the sv that is copied in the reader/writer/accessor code
1042 STATIC SV *attr_get_value(pTHX_ SV *self, ATTR *attr) {
1043 SV *value = get_slot_lvalue(aTHX_ self, attr);
1046 return sv_mortalcopy(value);
1047 } else if ( ATTR_ISLAZY(attr) ) {
1048 value = get_default(aTHX_ self, attr);
1049 attr_set_value(aTHX_ self, attr, value);
1056 /* $attr->set_value($self) */
1057 STATIC void attr_set_value(pTHX_ SV *self, ATTR *attr, SV *value) {
1061 /* FIXME croak if required ? */
1065 if ( ATTR_TYPE(attr) ) {
1066 if ( !check_type_constraint(aTHX_ ATTR_TYPE(attr), attr->tc_check, attr->type_constraint, value) )
1070 copy = newSVsv(value);
1072 if ( ATTR_ISWEAK(attr) && SvROK(copy) )
1075 if ( !set_slot_value(aTHX_ self, attr, copy) ) {
1077 croak("Hash store failed.");
1087 /* Perl-space level functionality
1089 * These subs are installed by new_sub's various aliases as the bodies of the
1095 /* This macro is used in the XS subs to set up the 'attr' variable.
1097 * if XSANY is NULL then define_attr is called on the CV, to set the pointer
1098 * to the ATTR struct.
1100 #define dATTR ATTR *attr = (XSANY.any_i32 ? INT2PTR(ATTR *, (XSANY.any_i32)) : define_attr(aTHX_ cv))
1114 Perl_croak(aTHX_ "Usage: %s(%s)", GvNAME(CvGV(cv)), "self");
1118 value = attr_get_value(aTHX_ ST(0), attr);
1138 Perl_croak(aTHX_ "Usage: %s(%s, %s)", GvNAME(CvGV(cv)), "self", "value");
1142 attr_set_value(aTHX_ ST(0), attr, ST(1));
1144 ST(0) = ST(1); /* return value */
1148 STATIC XS(accessor);
1158 Perl_croak(aTHX_ "Usage: %s(%s, [ %s ])", GvNAME(CvGV(cv)), "self", "value");
1163 attr_set_value(aTHX_ ST(0), attr, ST(1));
1164 ST(0) = ST(1); /* return value */
1166 SV *value = attr_get_value(aTHX_ ST(0), attr);
1177 STATIC XS(predicate);
1178 STATIC XS(predicate)
1187 Perl_croak(aTHX_ "Usage: %s(%s)", GvNAME(CvGV(cv)), "self");
1191 if ( has_slot_value(aTHX_ ST(0), attr) )
1205 STATIC XSPROTO ((*xs_bodies[])) = {
1212 MODULE = Moose PACKAGE = Moose::XS
1222 new_reader = xs_body_reader
1223 new_writer = xs_body_writer
1224 new_accessor = xs_body_accessor
1225 new_predicate = xs_body_predicate
1229 if ( ix >= max_xs_body )
1230 croak("Unknown Moose::XS body type");
1232 if ( !sv_isobject(attr) )
1233 croak("'attr' must be a Moose::Meta::Attribute");
1235 cv = newXS(SvOK(name) ? SvPV_nolen(name) : NULL, xs_bodies[ix], __FILE__);
1240 /* associate CV with meta attr */
1241 stash_in_mg(aTHX_ (SV *)cv, attr);
1243 /* this will be set on first call */
1251 MODULE = Moose PACKAGE = Moose::XS::Meta::Instance
1259 MI *mi = INT2PTR(MI *, SvIV(SvRV(self)));
1262 delete_mi(aTHX_ mi);
1265 MODULE = Moose PACKAGE = Moose::XS::TypeConstraints
1287 ScalarRef = ScalarRef
1288 FileHandle = FileHandle
1289 RegexpRef = RegexpRef
1292 ClassName = ClassName
1294 RETVAL = check_sv_type(ix, sv);
1299 ObjectOfType(sv, class)
1304 HV *stash = gv_stashsv(class, 0);
1306 RETVAL = check_sv_class(aTHX_ stash, sv);