static MGVTBL mouse_xc_vtbl; /* for identity */
-static void
-mouse_class_push_attribute_list(pTHX_ SV* const metaclass, AV* const attrall, HV* const seen){
- dSP;
- I32 n;
-
- /* $meta->get_attribute_list */
- PUSHMARK(SP);
- XPUSHs(metaclass);
- PUTBACK;
-
- n = call_sv(mouse_get_attribute_list, G_ARRAY | G_METHOD);
- for(NOOP; n > 0; n--){
- SV* name;
-
- SPAGAIN;
- name = POPs;
- PUTBACK;
-
- if(hv_exists_ent(seen, name, 0U)){
- continue;
- }
- (void)hv_store_ent(seen, name, &PL_sv_undef, 0U);
+HV*
+mouse_get_namespace(pTHX_ SV* const meta) {
+ SV* const package = get_slot(meta, mouse_package);
+ if(!(package && SvOK(package))){
+ croak("No package name defined for metaclass");
+ }
+ return gv_stashsv(package, GV_ADDMULTI);
+}
- av_push(attrall, newSVsv( mcall1(metaclass, mouse_get_attribute, name) ));
+static AV*
+mouse_calculate_all_attributes(pTHX_ SV* const metaclass) {
+ SV* const avref = mcall0s(metaclass, "_calculate_all_attributes");
+ if(!(SvROK(avref) && SvTYPE(SvRV(avref)) == SVt_PVAV)) {
+ croak("$meta->_calculate_all_attributes did not return an ARRAY reference");
}
+ return (AV*)SvRV(avref);
}
XS(XS_Mouse__Object_BUILDARGS); /* prototype */
return buildargs && CvXSUB(GvCV(buildargs)) != XS_Mouse__Object_BUILDARGS;
}
-static void
-mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, HV* const stash, AV* const xc) {
+static AV*
+mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, AV* const xc) {
+ HV* const stash = MOUSE_xc_stash(xc);
AV* const linearized_isa = mro_get_linear_isa(stash);
I32 const len = AvFILLp(linearized_isa) + 1;
I32 i;
U32 flags = 0x00;
- AV* const attrall = newAV();
AV* const buildall = newAV();
AV* const demolishall = newAV();
- HV* const seen = newHV(); /* for attributes */
+ AV* attrall;
ENTER;
SAVETMPS;
- sv_2mortal((SV*)seen);
-
/* old data will be delete at the end of the perl scope */
av_delete(xc, MOUSE_XC_DEMOLISHALL, 0x00);
av_delete(xc, MOUSE_XC_BUILDALL, 0x00);
/* update */
+ av_store(xc, MOUSE_XC_BUILDALL, (SV*)buildall);
+ av_store(xc, MOUSE_XC_DEMOLISHALL, (SV*)demolishall);
+
+ attrall = mouse_calculate_all_attributes(aTHX_ metaclass);
+ SvREFCNT_inc_simple_void_NN(attrall);
+ av_store(xc, MOUSE_XC_ATTRALL, (SV*)attrall);
+
if(predicate_calls(metaclass, "is_immutable")){
flags |= MOUSEf_XC_IS_IMMUTABLE;
}
}
av_store(xc, MOUSE_XC_FLAGS, newSVuv(flags));
- av_store(xc, MOUSE_XC_ATTRALL, (SV*)attrall);
- av_store(xc, MOUSE_XC_BUILDALL, (SV*)buildall);
- av_store(xc, MOUSE_XC_DEMOLISHALL, (SV*)demolishall);
for(i = 0; i < len; i++){
SV* const klass = MOUSE_av_at(linearized_isa, i);
HV* const st = gv_stashsv(klass, TRUE);
- SV* meta;
GV* gv;
gv = stash_fetchs(st, "BUILD", FALSE);
if(gv && GvCVu(gv)){
av_push(demolishall, newRV_inc((SV*)GvCV(gv)));
}
-
- /* ATTRIBUTES */
- meta = get_metaclass(klass);
- if(!SvOK(meta)){
- continue; /* skip non-Mouse classes */
- }
-
- mouse_class_push_attribute_list(aTHX_ meta, attrall, seen);
}
FREETMPS;
LEAVE;
sv_setuv(MOUSE_xc_gen(xc), mro_get_pkg_gen(stash));
+ return xc;
}
static AV*
-mouse_get_xc(pTHX_ SV* const metaclass) {
+mouse_get_xc_wo_check(pTHX_ SV* const metaclass) {
AV* xc;
- SV* gen;
- HV* stash;
MAGIC* mg;
if(!IsObject(metaclass)){
mg = mouse_mg_find(aTHX_ SvRV(metaclass), &mouse_xc_vtbl, 0x00);
if(!mg){
- SV* const package = get_slot(metaclass, mouse_package);
- STRLEN len;
- const char* const pv = SvPV_const(package, len);
-
- stash = gv_stashpvn(pv, len, TRUE);
+ /* cache stash for performance */
+ HV* const stash = mouse_get_namespace(aTHX_ metaclass);
xc = newAV();
- mg = sv_magicext(SvRV(metaclass), (SV*)xc, PERL_MAGIC_ext, &mouse_xc_vtbl, pv, len);
+ mg = sv_magicext(SvRV(metaclass), (SV*)xc, PERL_MAGIC_ext,
+ &mouse_xc_vtbl, NULL, 0);
SvREFCNT_dec(xc); /* refcnt++ in sv_magicext */
av_extend(xc, MOUSE_XC_last - 1);
av_store(xc, MOUSE_XC_GEN, newSVuv(0U));
av_store(xc, MOUSE_XC_STASH, (SV*)stash);
-
SvREFCNT_inc_simple_void_NN(stash);
}
else{
assert(xc);
assert(SvTYPE(xc) == SVt_PVAV);
}
+ return xc;
+}
- gen = MOUSE_xc_gen(xc);
-
- if(SvUVX(gen) != 0U && MOUSE_xc_flags(xc) & MOUSEf_XC_IS_IMMUTABLE){
- return xc;
+static int
+mouse_xc_is_fresh(pTHX_ AV* const xc) {
+ HV* const stash = MOUSE_xc_stash(xc);
+ SV* const gen = MOUSE_xc_gen(xc);
+ if(SvUVX(gen) != 0U && MOUSE_xc_flags(xc) & MOUSEf_XC_IS_IMMUTABLE) {
+ return TRUE;
}
+ return SvUVX(gen) == mro_get_pkg_gen(stash);
+}
- stash = MOUSE_xc_stash(xc);
-
- if(SvUVX(gen) != mro_get_pkg_gen(stash)){
- mouse_class_update_xc(aTHX_ metaclass, stash, xc);
- }
+STATIC_INLINE AV*
+mouse_get_xc(pTHX_ SV* const metaclass) {
+ AV* const xc = mouse_get_xc_wo_check(aTHX_ metaclass);
+ return mouse_xc_is_fresh(aTHX_ xc)
+ ? xc
+ : mouse_class_update_xc(aTHX_ metaclass, xc);
+}
- return xc;
+static AV*
+mouse_get_xc_if_fresh(pTHX_ SV* const metaclass) {
+ AV* const xc = mouse_get_xc_wo_check(aTHX_ metaclass);
+ return mouse_xc_is_fresh(aTHX_ xc)
+ ? xc
+ : NULL;
}
static HV*
}
}
-static SV*
+STATIC_INLINE SV*
mouse_initialize_metaclass(pTHX_ SV* const klass) {
- SV* meta = get_metaclass(klass);
-
- if(!SvOK(meta)){
- meta = mcall1s(newSVpvs_flags("Mouse::Meta::Class", SVs_TEMP),
- "initialize", klass);
+ SV* const meta = get_metaclass(klass);
+ if(LIKELY(SvOK(meta))){
+ return meta;
}
-
- return meta;
+ return mcall1s(newSVpvs_flags("Mouse::Meta::Class", SVs_TEMP),
+ "initialize", klass);
}
static void
return (AV*)SvRV(storage_ref);
}
-static void
-XS_Mouse_value_holder(pTHX_ CV* const cv PERL_UNUSED_DECL) {
+static
+XSPROTO(XS_Mouse_value_holder) {
dVAR; dXSARGS;
SV* const value = (SV*)XSANY.any_ptr;
assert(value);
namespace(SV* self)
CODE:
{
- SV* const package = get_slot(self, mouse_package);
- if(!(package && SvOK(package))){
- croak("No package name defined");
- }
- RETVAL = gv_stashsv(package, GV_ADDMULTI);
+ RETVAL = mouse_get_namespace(aTHX_ self);
}
OUTPUT:
RETVAL
linearized_isa(SV* self)
PPCODE:
{
- SV* const stash_ref = mcall0(self, mouse_namespace); /* $self->namespace */
- AV* linearized_isa;
+ /* MOUSE_xc_stash() is not available because the xc system depends on
+ linearized_isa() */
+ HV* const stash = mouse_get_namespace(aTHX_ self);
+ AV* const linearized_isa = mro_get_linear_isa(stash);
I32 len;
I32 i;
- if(!(SvROK(stash_ref) && SvTYPE(SvRV(stash_ref)) == SVt_PVHV)){
- croak("namespace() didn't return a HASH reference");
- }
- linearized_isa = mro_get_linear_isa((HV*)SvRV(stash_ref));
len = AvFILLp(linearized_isa) + 1;
EXTEND(SP, len);
for(i = 0; i < len; i++){
mouse_class_initialize_object(aTHX_ meta, object, args, is_cloning);
}
+void
+_invalidate_metaclass_cache(SV* meta)
+CODE:
+{
+ AV* const xc = mouse_get_xc_if_fresh(aTHX_ meta);
+ if(xc) {
+ SV* const gen = MOUSE_xc_gen(xc);
+ sv_setuv(gen, 0U);
+ }
+ delete_slot(meta, newSVpvs_flags("_mouse_cache_", SVs_TEMP));
+}
+
+
MODULE = Mouse PACKAGE = Mouse::Meta::Role
BOOT:
CODE:
{
SV* const meta = get_metaclass(object);
+ AV* xc;
AV* demolishall;
- I32 len, i;
+ I32 len;
+ I32 i;
if(!IsObject(object)){
croak("You must not call %s as a class method",
ix == 0 ? "DESTROY" : "DEMOLISHALL");
}
- if(SvOK(meta)){
- AV* const xc = mouse_get_xc(aTHX_ meta);
-
+ if(SvOK(meta) && (xc = mouse_get_xc_if_fresh(aTHX_ meta))) {
demolishall = MOUSE_xc_demolishall(xc);
}
else { /* The metaclass is already destroyed */
}
}
- len = AvFILLp(demolishall) + 1;
+ len = AvFILLp(demolishall) + 1;
if(len > 0){
SV* const in_global_destruction = boolSV(PL_dirty);
SAVEI32(PL_statusvalue); /* local $? */
projects / gitmo/Mouse.git / blobdiff