Fix __eq__ for builtins with nested builtins members

Author: touilleMan

scripts/extension_api_parser/builtins.py

@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
+from typing import Generator
 
 from .utils import *
 from .in_use import *
@@ -243,6 +244,18 @@ class BuiltinTypeSpec(TypeSpec):
     constants: list[BuiltinConstantSpec]
     enums: list[EnumTypeSpec]
 
+    @property
+    def all_nested_scalar_members(self) -> Generator[str]:
+        def _recursive_members(parent: BuiltinTypeSpec) -> Generator[str]:
+            for member in parent.members:
+                member_type = member.type.resolve()
+                if isinstance(member_type, BuiltinTypeSpec):
+                    yield from (f"{member.name}.{sn}" for sn in _recursive_members(member_type))
+                else:
+                    yield member.name
+
+        yield from _recursive_members(self)
+
     @property
     def is_builtin(self) -> bool:
         return True

src/godot/builtins_pyx/operator.pyx.j2

@@ -26,11 +26,11 @@ def __repr__(self):
 def __eq__(self, {{ builtin.cy_type }} other):
 {% if builtin.is_transparent_builtin %}
     return (
-{%   for m in  builtin.members %}
-{% if not loop.first%}
+{%   for field_path in  builtin.all_nested_scalar_members %}
+{%     if not loop.first%}
     and
-{% endif %}
-    self._gd_data.{{ m.name }} == other._gd_data.{{ m.name }}
+{%     endif %}
+    self._gd_data.{{ field_path }} == other._gd_data.{{ field_path }}
 {%   endfor %}
     )
 {% else %}