Basic support for unrestricted types

Source/bindings/scripts/idl_definitions.py

Index: Source/bindings/scripts/idl_definitions.py
diff --git a/Source/bindings/scripts/idl_definitions.py b/Source/bindings/scripts/idl_definitions.py
index e6b2a9a1cf2fdfd72e3b8b81d4ccb1a2b4aab202..2230c8f6e207153d8145a7d7dca1560077f1bf7b 100644
--- a/Source/bindings/scripts/idl_definitions.py
+++ b/Source/bindings/scripts/idl_definitions.py
@@ -653,7 +653,9 @@ def type_node_inner_to_type(node, is_array=False, is_nullable=False):
     # either a typedef shorthand (but not a Typedef declaration itself) or an
     # interface type. We do not distinguish these, and just use the type name.
     if node_class in ['PrimitiveType', 'Typeref']:
-        return IdlType(node.GetName(), is_array=is_array, is_nullable=is_nullable)
+        # unrestricted syntax: unrestricted double | unrestricted float
+        is_unrestricted = node.GetProperty('UNRESTRICTED') or False
+        return IdlType(node.GetName(), is_array=is_array, is_nullable=is_nullable, is_unrestricted=is_unrestricted)
     elif node_class == 'Any':
         return IdlType('any', is_array=is_array, is_nullable=is_nullable)
     elif node_class == 'Sequence':