IteratorPrototype static shape

boa_builtins/build.rs

@@ -1038,6 +1038,10 @@ fn main() -> io::Result<()> {
     .property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
     .build(file)?;
 
+    BuiltInBuilder::new(&context, "ITERATOR_PROTOTYPE")
+        .method(WellKnown::Iterator)
+        .build(file)?;
+
     BuiltInBuilder::new(&context, "ARRAY_ITERATOR_PROTOTYPE")
         .method(utf16!("next"))
         .property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)

boa_engine/src/builtins/iterable/mod.rs

@@ -78,7 +78,7 @@ impl Default for IteratorPrototypes {
     fn default() -> Self {
         Self {
             array: JsObject::default_with_static_shape(),
-            iterator: JsObject::default(),
+            iterator: JsObject::default_with_static_shape(),
             async_iterator: JsObject::default(),
             async_from_sync_iterator: JsObject::default(),
             set: JsObject::default(),
@@ -168,13 +168,12 @@ impl IntrinsicObject for Iterator {
     fn init(realm: &Realm) {
         let _timer = Profiler::global().start_event("Iterator Prototype", "init");
 
-        BuiltInBuilder::with_intrinsic::<Self>(realm)
-            .static_method(
-                |v, _, _| Ok(v.clone()),
-                (JsSymbol::iterator(), js_string!("[Symbol.iterator]")),
-                0,
-            )
-            .build();
+        BuiltInBuilder::with_intrinsic_static_shape::<Self>(
+            realm,
+            &boa_builtins::ITERATOR_PROTOTYPE_STATIC_SHAPE,
+        )
+        .static_method_with_name(|v, _, _| Ok(v.clone()), js_string!("[Symbol.iterator]"), 0)
+        .build();
     }
 
     fn get(intrinsics: &Intrinsics) -> JsObject {

boa_engine/src/builtins/mod.rs

@@ -878,6 +878,23 @@ impl BuiltInBuilderStaticShape<'_> {
         self
     }
 
+    /// Adds a new static method to the builtin object with name.
+    fn static_method_with_name(
+        mut self,
+        function: NativeFunctionPointer,
+        name: JsString,
+        length: usize,
+    ) -> Self {
+        let function = BuiltInBuilder::callable(self.realm, function)
+            .name(name)
+            .length(length)
+            .build();
+
+        self.storage.push(function.into());
+        self.property_index += 1;
+        self
+    }
+
     /// Adds a new static data property to the builtin object.
     fn static_property<V>(mut self, value: V) -> Self
     where