Impl `propertyIsEnumerable`
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@ -571,6 +571,10 @@ impl<'gc> TObject<'gc> for FunctionObject<'gc> {
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self.0.read().base.get_enumerant_name(index)
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}
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fn property_is_enumerable(&self, name: &QName) -> bool {
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self.0.read().base.property_is_enumerable(name)
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}
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fn as_ptr(&self) -> *const ObjectPtr {
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self.0.as_ptr() as *const ObjectPtr
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}
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@ -64,6 +64,28 @@ pub fn is_prototype_of<'gc>(
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Ok(false.into())
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}
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/// `Object.prototype.propertyIsEnumerable`
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pub fn property_is_enumerable<'gc>(
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_avm: &mut Avm2<'gc>,
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_context: &mut UpdateContext<'_, 'gc, '_>,
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this: Option<Object<'gc>>,
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args: &[Value<'gc>],
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) -> Result<ReturnValue<'gc>, Error> {
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let this: Result<Object<'gc>, Error> = this.ok_or_else(|| "No valid this parameter".into());
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let this = this?;
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let name: Result<&Value<'gc>, Error> = args.get(0).ok_or_else(|| "No name specified".into());
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let name = name?.as_string()?;
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if let Some(ns) = this.resolve_any(&name)? {
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if !ns.is_private() {
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let qname = QName::new(ns, &name);
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return Ok(this.property_is_enumerable(&qname).into());
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}
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}
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Ok(false.into())
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}
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/// Partially construct `Object.prototype`.
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///
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/// `__proto__` and other cross-linked properties of this object will *not*
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@ -90,4 +112,10 @@ pub fn fill_proto<'gc>(
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0,
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FunctionObject::from_builtin(gc_context, is_prototype_of, fn_proto),
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);
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object_proto.install_method(
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gc_context,
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QName::new(Namespace::public_namespace(), "propertyIsEnumerable"),
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0,
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FunctionObject::from_builtin(gc_context, property_is_enumerable, fn_proto),
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);
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}
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@ -352,6 +352,11 @@ pub trait TObject<'gc>: 'gc + Collect + Debug + Into<Object<'gc>> + Clone + Copy
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/// mechanism.
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fn get_enumerant_name(&self, index: u32) -> Option<QName>;
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/// Determine if a property is currently enumerable.
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///
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/// Properties that do not exist are also not enumerable.
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fn property_is_enumerable(&self, name: &QName) -> bool;
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/// Install a method (or any other non-slot value) on an object.
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fn install_method(
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&mut self,
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@ -202,6 +202,10 @@ impl<'gc> TObject<'gc> for ScriptObject<'gc> {
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self.0.read().get_enumerant_name(index)
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}
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fn property_is_enumerable(&self, name: &QName) -> bool {
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self.0.read().property_is_enumerable(name)
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}
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fn as_ptr(&self) -> *const ObjectPtr {
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self.0.as_ptr() as *const ObjectPtr
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}
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@ -750,6 +754,10 @@ impl<'gc> ScriptObjectData<'gc> {
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self.enumerants.get(true_index).cloned()
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}
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pub fn property_is_enumerable(&self, name: &QName) -> bool {
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self.enumerants.contains(name)
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}
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/// Install a method into the object.
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pub fn install_method(&mut self, name: QName, disp_id: u32, function: Object<'gc>) {
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if disp_id > 0 {
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