X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=xs-src%2FMouse.xs;h=7580f7ac5dde26741a68beb9ef6c3e538c376f4e;hp=f96dce3fad4ab230e36838d7735bd3720a34ef40;hb=047d7af00ab8b37c6369c032211bfe492fe6cd05;hpb=df6dd016657118a06b408d21767dbc9b4ca476b9

diff --git a/xs-src/Mouse.xs b/xs-src/Mouse.xs
index f96dce3..7580f7a 100644
--- a/xs-src/Mouse.xs
+++ b/xs-src/Mouse.xs
@@ -1,35 +1,345 @@
+#define  NEED_newSVpvn_flags_GLOBAL
 #include "mouse.h"
 
-MODULE = Mouse  PACKAGE = Mouse::Util
+SV* mouse_package;
+SV* mouse_namespace;
+SV* mouse_methods;
+SV* mouse_name;
+SV* mouse_get_attribute;
+SV* mouse_get_attribute_list;
 
-PROTOTYPES: DISABLE
 
-bool
-is_class_loaded(SV* sv = &PL_sv_undef)
+#define MOUSE_xc_gen(a)         MOUSE_av_at((a), MOUSE_XC_GEN)
+#define MOUSE_xc_attrall(a)     ( (AV*)MOUSE_av_at((a), MOUSE_XC_ATTRALL) )
+#define MOUSE_xc_buildall(a)    ( (AV*)MOUSE_av_at((a), MOUSE_XC_BUILDALL) )
+#define MOUSE_xc_demolishall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_DEOLISHALL) )
 
-void
-get_code_info(CV* code)
-PREINIT:
-    GV* gv;
-    HV* stash;
-PPCODE:
-    if((gv = CvGV(code)) && isGV(gv) && (stash = GvSTASH(gv))){
-        EXTEND(SP, 2);
-        mPUSHs(newSVpvn_share(HvNAME_get(stash), HvNAMELEN_get(stash), 0U));
-        mPUSHs(newSVpvn_share(GvNAME_get(gv), GvNAMELEN_get(gv), 0U));
+/* Mouse XS Metaclass object */
+enum mouse_xc_ix_t{
+    MOUSE_XC_GEN,          /* class generation */
+    MOUSE_XC_ATTRALL,      /* all the attributes */
+    MOUSE_XC_BUILDALL,     /* all the BUILD methods */
+    MOUSE_XC_DEMOLISHALL,  /* all the DEMOLISH methods */
+
+    MOUSE_XC_last
+};
+
+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);
+
+        av_push(attrall, newSVsv( mcall1(metaclass, mouse_get_attribute, name) ));
     }
+}
+
+static void
+mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, HV* const stash, AV* const xc) {
+    AV* const linearized_isa = mro_get_linear_isa(stash);
+    I32 const len            = AvFILLp(linearized_isa);
+    I32 i;
+    AV* const attrall     = newAV();
+    AV* const buildall    = newAV();
+    AV* const demolishall = newAV();
+    HV* const seen        = newHV(); /* for attributes */
+
+    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);
+    av_delete(xc, MOUSE_XC_ATTRALL,     0x00);
+
+    SvREFCNT_inc_simple_void_NN(linearized_isa);
+    sv_2mortal((SV*)linearized_isa);
+
+    /* update */
+
+    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);
+        SV* meta;
+        GV* gv;
+
+        gv = stash_fetchs(stash, "BUILD", FALSE);
+        if(gv && GvCVu(gv)){
+            av_push(buildall, newRV_inc((SV*)GvCV(gv)));
+        }
+
+        gv = stash_fetchs(stash, "DEMOLISH", FALSE);
+        if(gv && GvCVu(gv)){
+            av_push(demolishall, newRV_inc((SV*)GvCV(gv)));
+        }
 
-SV*
-get_code_package(CV* code)
-PREINIT:
+        /* ATTRIBUTES */
+        meta = get_metaclass_by_name(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));
+}
+
+AV*
+mouse_get_xc(pTHX_ SV* const metaclass) {
+    AV* xc;
+    SV* gen;
     HV* stash;
-CODE:
-    if(CvGV(code) && isGV(CvGV(code)) && (stash = GvSTASH(CvGV(code)))){
-        RETVAL = newSVpvn_share(HvNAME_get(stash), HvNAMELEN_get(stash), 0U);
+    MAGIC* mg;
+
+    if(!IsObject(metaclass)){
+        croak("Not a Mouse metaclass");
+    }
+
+    mg = mouse_mg_find(aTHX_ SvRV(metaclass), &mouse_xc_vtbl, 0x00);
+    if(!mg){
+        SV* const package = get_slot(metaclass, mouse_package);
+
+        stash = gv_stashsv(package, TRUE);
+        xc    = newAV();
+
+        mg = sv_magicext(SvRV(metaclass), (SV*)xc, PERL_MAGIC_ext, &mouse_xc_vtbl, (char*)stash, HEf_SVKEY);
+        SvREFCNT_dec(xc); /* refcnt++ in sv_magicext */
+
+        av_extend(xc, MOUSE_XC_last - 1);
+        av_store(xc, MOUSE_XC_GEN, newSViv(0));
     }
     else{
-        RETVAL = &PL_sv_no;
+        stash = (HV*)MOUSE_mg_ptr(mg);
+        xc    = (AV*)MOUSE_mg_obj(mg);
+
+        assert(stash);
+        assert(SvTYPE(stash) == SVt_PVAV);
+
+        assert(xc);
+        assert(SvTYPE(xc) == SVt_PVAV);
+    }
+
+    gen = MOUSE_xc_gen(xc);
+    if(SvUV(gen) != mro_get_pkg_gen(stash)){
+        mouse_class_update_xc(aTHX_ metaclass, stash, xc);
+    }
+
+    return xc;
+}
+
+AV*
+mouse_get_all_attributes(pTHX_ SV* const metaclass) {
+    AV* const xc = mouse_get_xc(aTHX_ metaclass);
+    return MOUSE_xc_attrall(xc);
+}
+
+MODULE = Mouse  PACKAGE = Mouse
+
+PROTOTYPES: DISABLE
+
+BOOT:
+    mouse_package   = newSVpvs_share("package");
+    mouse_namespace = newSVpvs_share("namespace");
+    mouse_methods   = newSVpvs_share("methods");
+    mouse_name      = newSVpvs_share("name");
+
+    mouse_get_attribute      = newSVpvs_share("get_attribute");
+    mouse_get_attribute_list = newSVpvs_share("get_attribute_list");
+
+    MOUSE_CALL_BOOT(Mouse__Util);
+    MOUSE_CALL_BOOT(Mouse__Util__TypeConstraints);
+    MOUSE_CALL_BOOT(Mouse__Meta__Method__Accessor__XS);
+
+
+MODULE = Mouse  PACKAGE = Mouse::Meta::Module
+
+BOOT:
+    INSTALL_SIMPLE_READER_WITH_KEY(Module, name, package);
+    INSTALL_SIMPLE_READER_WITH_KEY(Module, _method_map, methods);
+    INSTALL_SIMPLE_READER_WITH_KEY(Module, _attribute_map, attributes);
+
+HV*
+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);
+}
 OUTPUT:
     RETVAL
 
+# ignore extra arguments for extensibility
+void
+add_method(SV* self, SV* name, SV* code, ...)
+CODE:
+{
+    SV* const package = get_slot(self, mouse_package); /* $self->{package} */
+    SV* const methods = get_slot(self, mouse_methods); /* $self->{methods} */
+    GV* gv;
+    SV* code_ref;
+
+    if(!(package && SvOK(package))){
+        croak("No package name defined");
+    }
+
+    SvGETMAGIC(name);
+    SvGETMAGIC(code);
+
+    if(!SvOK(name)){
+        mouse_throw_error(self, NULL, "You must define a method name");
+    }
+    if(!SvROK(code)){
+        mouse_throw_error(self, NULL, "You must define a CODE reference");
+    }
+
+    code_ref = code;
+    if(SvTYPE(SvRV(code_ref)) != SVt_PVCV){
+        SV*  sv = code_ref;  /* used in tryAMAGICunDEREF */
+        SV** sp = &sv;       /* used in tryAMAGICunDEREF */
+        tryAMAGICunDEREF(to_cv); /* try \&{$code} */
+        if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV){
+            mouse_throw_error(self, NULL, "Not a CODE reference");
+        }
+        code_ref = sv;
+    }
+
+    /*  *{$package . '::' . $name} -> *gv */
+    gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV);
+    if(GvCVu(gv)){ /* delete *slot{gv} to work around "redefine" warning */
+        SvREFCNT_dec(GvCV(gv));
+        GvCV(gv) = NULL;
+    }
+    sv_setsv_mg((SV*)gv, code_ref); /* *gv = $code_ref */
+
+    set_slot(methods, name, code); /* $self->{methods}{$name} = $code */
+
+    /* TODO: name the CODE ref if it's anonymous */
+    //code_entity = (CV*)SvRV(code_ref);
+    //if(CvANON(code_entity)
+    //    && CvGV(code_entity) /* a cv under construction has no gv */ ){
+
+    //    CvGV(code_entity) = gv;
+    //    CvANON_off(code_entity);
+    //}
+}
+
+MODULE = Mouse  PACKAGE = Mouse::Meta::Class
+
+BOOT:
+    INSTALL_SIMPLE_READER(Class, roles);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id);
+
+void
+linearized_isa(SV* self)
+PPCODE:
+{
+    SV* const stash_ref = mcall0(self, mouse_namespace); /* $self->namespace */
+    AV* linearized_isa;
+    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++){
+        PUSHs(AvARRAY(linearized_isa)[i]);
+    }
+}
+
+void
+get_all_attributes(SV* self)
+PPCODE:
+{
+    AV* const all_attrs = mouse_get_all_attributes(aTHX_ self);
+    I32 const len       = AvFILLp(all_attrs) + 1;
+    I32 i;
+
+    EXTEND(SP, len);
+    for(i = 0; i < len; i++){
+        PUSHs( MOUSE_av_at(all_attrs, i) );
+    }
+}
+
+MODULE = Mouse  PACKAGE = Mouse::Meta::Role
+
+BOOT:
+    INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id);
+
+MODULE = Mouse  PACKAGE = Mouse::Meta::Attribute
+
+BOOT:
+    /* readers */
+    INSTALL_SIMPLE_READER(Attribute, name);
+    INSTALL_SIMPLE_READER(Attribute, associated_class);
+    INSTALL_SIMPLE_READER(Attribute, accessor);
+    INSTALL_SIMPLE_READER(Attribute, reader);
+    INSTALL_SIMPLE_READER(Attribute, writer);
+    INSTALL_SIMPLE_READER(Attribute, predicate);
+    INSTALL_SIMPLE_READER(Attribute, clearer);
+    INSTALL_SIMPLE_READER(Attribute, handles);
+
+    INSTALL_SIMPLE_READER_WITH_KEY(Attribute, _is_metadata, is);
+    INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_required, required);
+    INSTALL_SIMPLE_READER(Attribute, default);
+    INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_lazy, lazy);
+    INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_lazy_build, lazy_build);
+    INSTALL_SIMPLE_READER_WITH_KEY(Attribute, is_weak_ref, weak_ref);
+    INSTALL_SIMPLE_READER(Attribute, init_arg);
+    INSTALL_SIMPLE_READER(Attribute, type_constraint);
+    INSTALL_SIMPLE_READER(Attribute, trigger);
+    INSTALL_SIMPLE_READER(Attribute, builder);
+    INSTALL_SIMPLE_READER_WITH_KEY(Attribute, should_auto_deref, auto_deref);
+    INSTALL_SIMPLE_READER_WITH_KEY(Attribute, should_coerce, coerce);
+    INSTALL_SIMPLE_READER(Attribute, documentation);
+
+    /* predicates */
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_accessor, accessor);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_reader, reader);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_writer, writer);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_predicate, predicate);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_clearer, clearer);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_handles, handles);
+
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_default, default);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_type_constraint, type_constraint);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_trigger, trigger);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_builder, builder);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_documentation, documentation);
+
+    newCONSTSUB(gv_stashpvs("Mouse::Meta::Attribute", TRUE), "accessor_metaclass",
+        newSVpvs("Mouse::Meta::Method::Accessor::XS"));
+