X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=xs-src%2FMouse.xs;h=ecc6e8c7ff965f1e0f734d41ee0727ac6f6b078d;hb=f3e4c7ebdc35a752e69f6031121b5cab1630b09a;hp=979fcd3353bc85eef6745abe2a94fa1139e6be35;hpb=f10b7c0fd9728b06eb9e8a7421f6da6ae94f7163;p=gitmo%2FMouse.git

diff --git a/xs-src/Mouse.xs b/xs-src/Mouse.xs
index 979fcd3..ecc6e8c 100644
--- a/xs-src/Mouse.xs
+++ b/xs-src/Mouse.xs
@@ -123,7 +123,7 @@ mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, HV* const stas
         flags |= MOUSEf_XC_HAS_BUILDARGS;
     }
 
-    if(predicate_calls(metaclass, "__strict_constructor")){
+    if(predicate_calls(metaclass, "strict_constructor")){
         flags |= MOUSEf_XC_CONSTRUCTOR_IS_STRICT;
     }
 
@@ -291,13 +291,13 @@ mouse_report_unknown_args(pTHX_ SV* const meta, AV* const attrs, HV* const args)
 
 
 static void
-mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const args, bool const ignore_triggers) {
+mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const args, bool const is_cloning) {
     AV* const xc    = mouse_get_xc(aTHX_ meta);
     AV* const attrs = MOUSE_xc_attrall(xc);
-    I32 len         = AvFILLp(attrs) + 1;
+    I32 const len   = AvFILLp(attrs) + 1;
     I32 i;
     AV* triggers_queue = NULL;
-    I32 used = 0;
+    U32 used = 0;
 
     assert(meta || object);
     assert(args);
@@ -307,10 +307,6 @@ mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const
         croak("You cannot use tied HASH reference as initializing arguments");
     }
 
-    if(!ignore_triggers){
-        triggers_queue = newAV_mortal();
-    }
-
     /* for each attribute */
     for(i = 0; i < len; i++){
         SV* const attr = MOUSE_av_at(attrs, i);
@@ -330,22 +326,27 @@ mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const
             if(SvROK(value) && flags & MOUSEf_ATTR_IS_WEAK_REF){
                 weaken_slot(object, slot);
             }
-            if(flags & MOUSEf_ATTR_HAS_TRIGGER && triggers_queue){
+            if(flags & MOUSEf_ATTR_HAS_TRIGGER){
                 AV* const pair = newAV();
                 av_push(pair, newSVsv( mcall0s(attr, "trigger") ));
                 av_push(pair, newSVsv(value));
 
+                if(!triggers_queue) {
+                    triggers_queue = newAV_mortal();
+                }
                 av_push(triggers_queue, (SV*)pair);
             }
             used++;
         }
         else { /* no init arg */
             if(flags & (MOUSEf_ATTR_HAS_DEFAULT | MOUSEf_ATTR_HAS_BUILDER)){
-                if(!(flags & MOUSEf_ATTR_IS_LAZY)){
+                /* skip if the object has the slot (it occurs on cloning/reblessing) */
+                if(!(flags & MOUSEf_ATTR_IS_LAZY) && !has_slot(object, slot)){
                     mouse_xa_set_default(aTHX_ xa, object);
                 }
             }
-            else if(flags & MOUSEf_ATTR_IS_REQUIRED) {
+            /* don't check while cloning (or reblesseing) */
+            else if(!is_cloning && flags & MOUSEf_ATTR_IS_REQUIRED) {
                 mouse_throw_error(attr, NULL, "Attribute (%"SVf") is required", slot);
             }
         }
@@ -356,7 +357,7 @@ mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const
     }
 
     if(triggers_queue){
-        len = AvFILLp(triggers_queue) + 1;
+        I32 const len = AvFILLp(triggers_queue) + 1;
         for(i = 0; i < len; i++){
             AV* const pair    = (AV*)AvARRAY(triggers_queue)[i];
             SV* const trigger = AvARRAY(pair)[0];
@@ -397,7 +398,7 @@ mouse_buildall(pTHX_ AV* const xc, SV* const object, SV* const args) {
         PUSHs(args);
         PUTBACK;
 
-        call_sv(AvARRAY(buildall)[i], G_VOID);
+        call_sv_safe(AvARRAY(buildall)[i], G_VOID);
 
         /* discard a scalar which G_VOID returns */
         SPAGAIN;
@@ -513,6 +514,7 @@ CODE:
     /*  *{$package . '::' . $name} -> *gv */
     gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV);
     mouse_install_sub(aTHX_ gv, code_ref);
+    //CvMETHOD_on((CV*)SvRV(code_ref));
     (void)set_slot(methods, name, code); /* $self->{methods}{$name} = $code */
 }
 
@@ -522,7 +524,6 @@ BOOT:
     INSTALL_SIMPLE_READER(Class, roles);
     INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id);
     INSTALL_SIMPLE_READER(Class, is_immutable);
-    INSTALL_SIMPLE_READER_WITH_KEY(Class, __strict_constructor, strict_constructor);
 
     INSTALL_CLASS_HOLDER(Class, method_metaclass,     "Mouse::Meta::Method");
     INSTALL_CLASS_HOLDER(Class, attribute_metaclass,  "Mouse::Meta::Attribute");
@@ -534,7 +535,6 @@ BOOT:
     newCONSTSUB(gv_stashpvs("Mouse::Meta::Method::Destructor::XS", TRUE), "_generate_destructor",
         newRV_inc((SV*)get_cvs("Mouse::Object::DESTROY", TRUE)));
 
-
 void
 linearized_isa(SV* self)
 PPCODE:
@@ -569,24 +569,85 @@ PPCODE:
     }
 }
 
-SV*
+void
 new_object(SV* meta, ...)
 CODE:
 {
     AV* const xc   = mouse_get_xc(aTHX_ meta);
     HV* const args = mouse_buildargs(aTHX_ meta, NULL, ax, items);
+    SV* object;
 
-    RETVAL = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc));
-    mouse_class_initialize_object(aTHX_ meta, RETVAL, args, FALSE);
+    object = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc));
+    mouse_class_initialize_object(aTHX_ meta, object, args, FALSE);
+    mouse_buildall(aTHX_ xc, object, sv_2mortal(newRV_inc((SV*)args))); /* BUILDALL */
+    ST(0) = object; /* because object is mortal, we should return it as is */
+    XSRETURN(1);
 }
-OUTPUT:
-    RETVAL
 
 void
-_initialize_object(SV* meta, SV* object, HV* args, bool ignore_triggers = FALSE)
+clone_object(SV* meta, SV* object, ...)
+CODE:
+{
+    AV* const xc   = mouse_get_xc(aTHX_ meta);
+    HV* const args = mouse_buildargs(aTHX_ meta, NULL, ax + 1, items - 1);
+    SV* proto;
+
+    if(!mouse_is_an_instance_of(aTHX_ MOUSE_xc_stash(xc), object)) {
+        mouse_throw_error(meta, object,
+            "You must pass an instance of the metaclass (%"SVf"), not (%"SVf")",
+            mcall0(meta, mouse_name), object);
+    }
+
+    proto = mouse_instance_clone(aTHX_ object);
+    mouse_class_initialize_object(aTHX_ meta, proto, args, TRUE);
+    ST(0) = proto; /* because object is mortal, we should return it as is */
+    XSRETURN(1);
+}
+
+void
+_initialize_object(SV* meta, SV* object, HV* args, bool is_cloning = FALSE)
 CODE:
 {
-    mouse_class_initialize_object(aTHX_ meta, object, args, ignore_triggers);
+    mouse_class_initialize_object(aTHX_ meta, object, args, is_cloning);
+}
+
+void
+strict_constructor(SV* self, SV* value = NULL)
+CODE:
+{
+    SV* const slot      = sv_2mortal(newSVpvs_share("strict_constructor"));
+    SV* const stash_ref = mcall0(self, mouse_namespace);
+    HV* stash;
+
+    if(!(SvROK(stash_ref) && SvTYPE(SvRV(stash_ref)) == SVt_PVHV)) {
+        croak("namespace() didn't return a HASH reference");
+    }
+    stash = (HV*)SvRV(stash_ref);
+
+    if(value) { /* setter */
+        set_slot(self, slot, value);
+        mro_method_changed_in(stash);
+    }
+
+    value = get_slot(self, slot);
+
+    if(!value) {
+        AV* const isa   = mro_get_linear_isa(stash);
+        I32 const len   = av_len(isa) + 1;
+        I32 i;
+        for(i = 1; i < len; i++) {
+            SV* const klass = MOUSE_av_at(isa, i);
+            SV* const meta  = get_metaclass(klass);
+            if(!SvOK(meta)){
+                continue; /* skip non-Mouse classes */
+            }
+            value = get_slot(meta, slot);
+            if(value) {
+                break;
+            }
+        }
+    }
+    ST(0) = value ? value : &PL_sv_no;
 }
 
 MODULE = Mouse  PACKAGE = Mouse::Meta::Role
@@ -632,7 +693,7 @@ PPCODE:
 
 MODULE = Mouse  PACKAGE = Mouse::Object
 
-SV*
+void
 new(SV* klass, ...)
 CODE:
 {
@@ -640,6 +701,7 @@ CODE:
     AV* const xc   = mouse_get_xc(aTHX_ meta);
     UV const flags = MOUSE_xc_flags(xc);
     SV* args;
+    SV* object;
 
     /* BUILDARGS */
     if(flags & MOUSEf_XC_HAS_BUILDARGS){
@@ -651,9 +713,10 @@ CODE:
         for(i = 0; i < items; i++){
             PUSHs(ST(i));
         }
-        //SP += items;
+
         PUTBACK;
-        call_method("BUILDARGS", G_SCALAR);
+        call_method_safes("BUILDARGS", G_SCALAR);
+
         SPAGAIN;
         args = POPs;
         PUTBACK;
@@ -668,13 +731,12 @@ CODE:
     }
 
     /* new_object */
-    RETVAL = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc));
-    mouse_class_initialize_object(aTHX_ meta, RETVAL, (HV*)SvRV(args), FALSE);
-
-    mouse_buildall(aTHX_ xc, RETVAL, args);
+    object = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc));
+    mouse_class_initialize_object(aTHX_ meta, object, (HV*)SvRV(args), FALSE);
+    mouse_buildall(aTHX_ xc, object, args); /* BUILDALL */
+    ST(0) = object; /* because object is mortal, we should return it as is */
+    XSRETURN(1);
 }
-OUTPUT:
-    RETVAL
 
 void
 DESTROY(SV* object)
@@ -715,21 +777,21 @@ CODE:
 
     len      = AvFILLp(demolishall) + 1;
     if(len > 0){
-        GV* const statusvalue = gv_fetchpvs("?", 0, SVt_PV);
+        SV* const in_global_destruction = boolSV(PL_dirty);
+        SAVEI32(PL_statusvalue); /* local $? */
+        PL_statusvalue = 0;
 
-        if(statusvalue){ /* it can be NULL */
-            SAVESPTR(GvSV(statusvalue)); /* local $? */
-            GvSV(statusvalue) = sv_newmortal();
-        }
         SAVESPTR(ERRSV); /* local $@ */
-        ERRSV = newSVpvs_flags("", SVs_TEMP);
+        ERRSV = sv_newmortal();
+
+        EXTEND(SP, 2);
 
         for(i = 0; i < len; i++){
             SPAGAIN;
 
             PUSHMARK(SP);
-            XPUSHs(object);
-            XPUSHs(boolSV(PL_dirty));
+            PUSHs(object);
+            PUSHs(in_global_destruction);
             PUTBACK;
 
             call_sv(AvARRAY(demolishall)[i], G_VOID | G_EVAL);