} \
} STMT_END
-/* Mouse XS Attribute object */
-enum mouse_xa_ix_t{
- MOUSE_XA_SLOT, /* for constructors, sync to mg_obj */
- MOUSE_XA_FLAGS, /* for constructors, sync to mg_private */
- MOUSE_XA_ATTRIBUTE,
- MOUSE_XA_TC,
- MOUSE_XA_TC_CODE,
-
- MOUSE_XA_last
-};
-
-#define MOUSE_xa_attribute(m) MOUSE_av_at(m, MOUSE_XA_ATTRIBUTE)
-#define MOUSE_xa_tc(m) MOUSE_av_at(m, MOUSE_XA_TC)
-#define MOUSE_xa_tc_code(m) MOUSE_av_at(m, MOUSE_XA_TC_CODE)
#define MOUSE_mg_attribute(mg) MOUSE_xa_attribute(MOUSE_mg_xa(mg))
-enum mouse_xa_flags_t{
- MOUSEf_ATTR_HAS_TC = 0x0001,
- MOUSEf_ATTR_HAS_DEFAULT = 0x0002,
- MOUSEf_ATTR_HAS_BUILDER = 0x0004,
- MOUSEf_ATTR_HAS_INITIALIZER = 0x0008,
- MOUSEf_ATTR_HAS_TRIGGER = 0x0010,
-
- MOUSEf_ATTR_IS_LAZY = 0x0020,
- MOUSEf_ATTR_IS_WEAK_REF = 0x0040,
- MOUSEf_ATTR_IS_REQUIRED = 0x0080,
-
- MOUSEf_ATTR_SHOULD_COERCE = 0x0100,
-
- MOUSEf_ATTR_SHOULD_AUTO_DEREF
- = 0x0200,
- MOUSEf_TC_IS_ARRAYREF = 0x0400,
- MOUSEf_TC_IS_HASHREF = 0x0800,
-
- MOUSEf_OTHER1 = 0x1000,
- MOUSEf_OTHER2 = 0x2000,
- MOUSEf_OTHER3 = 0x4000,
- MOUSEf_OTHER4 = 0x8000,
-
- MOUSEf_MOUSE_MASK = 0xFFFF /* not used */
-};
-
static MGVTBL mouse_accessor_vtbl; /* MAGIC identity */
+#define dMOUSE_self SV* const self = mouse_accessor_get_self(aTHX_ ax, items, cv)
-SV*
+static inline SV*
mouse_accessor_get_self(pTHX_ I32 const ax, I32 const items, CV* const cv) {
if(items < 1){
croak("Too few arguments for %s", GvNAME(CvGV(cv)));
CV*
-mouse_instantiate_xs_accessor(pTHX_ SV* const attr, XSUBADDR_t const accessor_impl){
- SV* const slot = mcall0(attr, mouse_name);
- AV* const xa = newAV();
+mouse_accessor_generate(pTHX_ SV* const attr, XSUBADDR_t const accessor_impl){
+ AV* const xa = mouse_get_xa(aTHX_ attr);
CV* xsub;
MAGIC* mg;
- U16 flags = 0;
-
- sv_2mortal((SV*)xa);
xsub = newXS(NULL, accessor_impl, __FILE__);
sv_2mortal((SV*)xsub);
- mg = sv_magicext((SV*)xsub, slot, PERL_MAGIC_ext, &mouse_accessor_vtbl, (char*)xa, HEf_SVKEY);
+ mg = sv_magicext((SV*)xsub, MOUSE_xa_slot(xa), PERL_MAGIC_ext, &mouse_accessor_vtbl, (char*)xa, HEf_SVKEY);
+
+ MOUSE_mg_flags(mg) = (U16)MOUSE_xa_flags(xa);
/* NOTE:
* although we use MAGIC for gc, we also store mg to CvXSUBANY for efficiency (gfx)
*/
CvXSUBANY(xsub).any_ptr = (void*)mg;
- av_extend(xa, MOUSE_XA_last - 1);
-
- av_store(xa, MOUSE_XA_ATTRIBUTE, newSVsv(attr));
-
- /* prepare attribute status */
- /* XXX: making it lazy is a good way? */
-
- if(SvTRUEx(mcall0s(attr, "has_type_constraint"))){
- SV* tc;
- flags |= MOUSEf_ATTR_HAS_TC;
-
- ENTER;
- SAVETMPS;
-
- tc = mcall0s(attr, "type_constraint");
- av_store(xa, MOUSE_XA_TC, newSVsv(tc));
-
- if(SvTRUEx(mcall0s(attr, "should_auto_deref"))){
- flags |= MOUSEf_ATTR_SHOULD_AUTO_DEREF;
- if( SvTRUEx(mcall1s(tc, "is_a_type_of", newSVpvs_flags("ArrayRef", SVs_TEMP))) ){
- flags |= MOUSEf_TC_IS_ARRAYREF;
- }
- else if( SvTRUEx(mcall1s(tc, "is_a_type_of", newSVpvs_flags("HashRef", SVs_TEMP))) ){
- flags |= MOUSEf_TC_IS_HASHREF;
- }
- else{
- mouse_throw_error(attr, tc,
- "Can not auto de-reference the type constraint '%"SVf"'",
- mcall0(tc, mouse_name));
- }
- }
-
- if(SvTRUEx(mcall0s(attr, "should_coerce"))){
- flags |= MOUSEf_ATTR_SHOULD_COERCE;
- }
-
- FREETMPS;
- LEAVE;
- }
-
- if(SvTRUEx(mcall0s(attr, "has_trigger"))){
- flags |= MOUSEf_ATTR_HAS_TRIGGER;
- }
-
- if(SvTRUEx(mcall0s(attr, "is_lazy"))){
- flags |= MOUSEf_ATTR_IS_LAZY;
-
- if(SvTRUEx(mcall0s(attr, "has_builder"))){
- flags |= MOUSEf_ATTR_HAS_BUILDER;
- }
- else if(SvTRUEx(mcall0s(attr, "has_default"))){
- flags |= MOUSEf_ATTR_HAS_DEFAULT;
- }
- }
-
- if(SvTRUEx(mcall0s(attr, "is_weak_ref"))){
- flags |= MOUSEf_ATTR_IS_WEAK_REF;
- }
-
- if(SvTRUEx(mcall0s(attr, "is_required"))){
- flags |= MOUSEf_ATTR_IS_REQUIRED;
- }
-
- MOUSE_mg_flags(mg) = flags;
-
return xsub;
}
-static SV*
-mouse_apply_type_constraint(pTHX_ AV* const xa, SV* value, U16 const flags){
- SV* const tc = MOUSE_xa_tc(xa);
- SV* tc_code;
-
- if(flags & MOUSEf_ATTR_SHOULD_COERCE){
- value = mcall1s(tc, "coerce", value);
- }
-
- if(!SvOK(MOUSE_xa_tc_code(xa))){
- tc_code = mcall0s(tc, "_compiled_type_constraint");
- av_store(xa, MOUSE_XA_TC_CODE, newSVsv(tc_code));
-
- if(!IsCodeRef(tc_code)){
- mouse_throw_error(MOUSE_xa_attribute(xa), tc, "Not a CODE reference");
- }
- }
- else{
- tc_code = MOUSE_xa_tc_code(xa);
- }
-
- if(!mouse_tc_check(aTHX_ tc_code, value)){
- mouse_throw_error(MOUSE_xa_attribute(xa), value,
- "Attribute (%"SVf") does not pass the type constraint because: %"SVf,
- mcall0(MOUSE_xa_attribute(xa), mouse_name),
- mcall1s(tc, "get_message", value));
- }
-
- return value;
-}
#define PUSH_VALUE(value, flags) STMT_START { \
if((flags) & MOUSEf_ATTR_SHOULD_AUTO_DEREF && GIMME_V == G_ARRAY){ \
static void
mouse_attr_get(pTHX_ SV* const self, MAGIC* const mg){
U16 const flags = MOUSE_mg_flags(mg);
- SV* const slot = MOUSE_mg_slot(mg);
SV* value;
- value = get_slot(self, slot);
+ value = get_slot(self, MOUSE_mg_slot(mg));
/* check_lazy */
if( !value && flags & MOUSEf_ATTR_IS_LAZY ){
- AV* const xa = MOUSE_mg_xa(mg);
- SV* const attr = MOUSE_xa_attribute(xa);
-
- /* get default value by $attr->builder or $attr->default */
- if(flags & MOUSEf_ATTR_HAS_BUILDER){
- SV* const builder = mcall0s(attr, "builder");
- value = mcall0(self, builder);
- }
- else {
- value = mcall0s(attr, "default");
-
- if(IsCodeRef(value)){
- value = mcall0(self, value);
- }
- }
-
- /* apply coerce and type constraint */
- if(flags & MOUSEf_ATTR_HAS_TC){
- value = mouse_apply_type_constraint(aTHX_ xa, value, flags);
- }
-
- /* store value to slot */
- value = set_slot(self, slot, value);
+ value = mouse_xa_set_default(aTHX_ MOUSE_mg_xa(mg), self);
}
PUSH_VALUE(value, flags);
SV* const slot = MOUSE_mg_slot(mg);
if(flags & MOUSEf_ATTR_HAS_TC){
- value = mouse_apply_type_constraint(aTHX_ MOUSE_mg_xa(mg), value, flags);
+ value = mouse_xa_apply_type_constraint(aTHX_ MOUSE_mg_xa(mg), value, flags);
}
- set_slot(self, slot, value);
+ value = set_slot(self, slot, value);
if(flags & MOUSEf_ATTR_IS_WEAK_REF){
weaken_slot(self, slot);
*/
CV*
-mouse_install_simple_accessor(pTHX_ const char* const fq_name, const char* const key, I32 const keylen, XSUBADDR_t const accessor_impl){
+mouse_simple_accessor_generate(pTHX_ const char* const fq_name, const char* const key, I32 const keylen, XSUBADDR_t const accessor_impl, void* const dptr, I32 const dlen){
CV* const xsub = newXS((char*)fq_name, accessor_impl, __FILE__);
SV* const slot = newSVpvn_share(key, keylen, 0U);
MAGIC* mg;
sv_2mortal((SV*)xsub);
}
- mg = sv_magicext((SV*)xsub, slot, PERL_MAGIC_ext, &mouse_accessor_vtbl, NULL, 0);
+ mg = sv_magicext((SV*)xsub, slot, PERL_MAGIC_ext, &mouse_accessor_vtbl, (char*)dptr, dlen);
SvREFCNT_dec(slot); /* sv_magicext() increases refcnt in mg_obj */
+ if(dlen == HEf_SVKEY){
+ SvREFCNT_dec(dptr);
+ }
/* NOTE:
* although we use MAGIC for gc, we also store mg to CvXSUBANY for efficiency (gfx)
{
dVAR; dXSARGS;
dMOUSE_self;
- SV* const slot = MOUSE_mg_slot((MAGIC*)XSANY.any_ptr);
+ MAGIC* const mg = (MAGIC*)XSANY.any_ptr;
SV* value;
if (items != 1) {
- croak("Expected exactly one argument for a reader for '%"SVf"'", slot);
+ croak("Expected exactly one argument for a reader for '%"SVf"'", MOUSE_mg_slot(mg));
}
- value = get_slot(self, slot);
- ST(0) = value ? value : &PL_sv_undef;
+ value = get_slot(self, MOUSE_mg_slot(mg));
+ if(!value) {
+ if(MOUSE_mg_ptr(mg)){
+ /* the default value must be a SV */
+ assert(MOUSE_mg_len(mg) == HEf_SVKEY);
+ value = (SV*)MOUSE_mg_ptr(mg);
+ }
+ else{
+ value = &PL_sv_undef;
+ }
+ }
+
+ ST(0) = value;
XSRETURN(1);
}
CHECK_INSTANCE(instance);
he = hv_fetch_ent((HV*)SvRV(instance), slot, TRUE, 0U);
sv = HeVAL(he);
- sv_setsv_mg(sv, value);
+ sv_setsv(sv, value);
+ SvSETMAGIC(sv);
return sv;
}
sv_rvweaken(HeVAL(he));
}
}
-\r
+
MODULE = Mouse::Meta::Method::Accessor::XS PACKAGE = Mouse::Meta::Method::Accessor::XS
PROTOTYPES: DISABLE
_generate_accessor(klass, SV* attr, metaclass)
CODE:
{
- RETVAL = mouse_instantiate_xs_accessor(aTHX_ attr, XS_Mouse_accessor);
+ RETVAL = mouse_accessor_generate(aTHX_ attr, XS_Mouse_accessor);
}
OUTPUT:
RETVAL
_generate_reader(klass, SV* attr, metaclass)
CODE:
{
- RETVAL = mouse_instantiate_xs_accessor(aTHX_ attr, XS_Mouse_reader);
+ RETVAL = mouse_accessor_generate(aTHX_ attr, XS_Mouse_reader);
}
OUTPUT:
RETVAL
_generate_writer(klass, SV* attr, metaclass)
CODE:
{
- RETVAL = mouse_instantiate_xs_accessor(aTHX_ attr, XS_Mouse_writer);
+ RETVAL = mouse_accessor_generate(aTHX_ attr, XS_Mouse_writer);
}
OUTPUT:
RETVAL
_generate_clearer(klass, SV* attr, metaclass)
CODE:
{
- SV* const slot = mcall0s(attr, "name");
+ SV* const slot = mcall0(attr, mouse_name);
STRLEN len;
const char* const pv = SvPV_const(slot, len);
- RETVAL = mouse_install_simple_accessor(aTHX_ NULL, pv, len, XS_Mouse_simple_clearer);
+ RETVAL = mouse_simple_accessor_generate(aTHX_ NULL, pv, len, XS_Mouse_simple_clearer, NULL, 0);
}
OUTPUT:
RETVAL
_generate_predicate(klass, SV* attr, metaclass)
CODE:
{
- SV* const slot = mcall0s(attr, "name");
+ SV* const slot = mcall0(attr, mouse_name);
STRLEN len;
const char* const pv = SvPV_const(slot, len);
- RETVAL = mouse_install_simple_accessor(aTHX_ NULL, pv, len, XS_Mouse_simple_predicate);
+ RETVAL = mouse_simple_accessor_generate(aTHX_ NULL, pv, len, XS_Mouse_simple_predicate, NULL, 0);
}
OUTPUT:
RETVAL