avm2: Support Array(...) without new

core/src/avm2/globals/array.rs

@@ -102,6 +102,19 @@ pub fn instance_init<'gc>(
     Ok(Value::Undefined)
 }
 
+pub fn class_call<'gc>(
+    activation: &mut Activation<'_, 'gc>,
+    _this: Option<Object<'gc>>,
+    args: &[Value<'gc>],
+) -> Result<Value<'gc>, Error<'gc>> {
+    Ok(activation
+        .avm2()
+        .classes()
+        .array
+        .construct(activation, args)?
+        .into())
+}
+
 /// Implements `Array`'s class initializer.
 pub fn class_init<'gc>(
     activation: &mut Activation<'_, 'gc>,
@@ -1272,6 +1285,7 @@ pub fn create_class<'gc>(activation: &mut Activation<'_, 'gc>) -> GcCell<'gc, Cl
     let mut write = class.write(mc);
 
     write.set_instance_allocator(array_allocator);
+    write.set_call_handler(Method::from_builtin(class_call, "<Array call handler>", mc));
 
     const PUBLIC_INSTANCE_PROPERTIES: &[(
         &str,

tests/tests/swfs/avm2/class_call/output.txt

@@ -21,3 +21,12 @@ string
 /asdf/gi
 //RegExp(regexp)
 /asdf/gi
+
+//Array().length
+0
+//Array(5)
+,,,,
+//Array("5")
+5
+//Array("a", "b", "c")
+a,b,c

tests/tests/swfs/avm2/class_call/test.as

@@ -51,4 +51,12 @@ trace("//RegExp(regexp)")
 pat = cls(pat);
 trace(pat);
 
-
+trace()
+trace("//Array().length")
+trace(Array().length)
+trace("//Array(5)")
+trace(Array(5))
+trace("//Array(\"5\")")
+trace(Array("5"))
+trace("//Array(\"a\", \"b\", \"c\")")
+trace(Array("a", "b", "c"))