Polyfill for 4.0: types referenced by function pointer tables

Author: Bromeon

godot-codegen/src/interface_generator.rs

@@ -31,7 +31,7 @@ pub(crate) fn generate_sys_interface_file(
             #[path = "../compat/compat_4_0.rs"]
             mod compat_4_0;
 
-            pub use compat_4_0::InitCompat;
+            pub use compat_4_0::*;
         }
     } else {
         generate_proc_address_funcs(h_path)

godot-ffi/src/compat/compat_4_0.rs

@@ -55,3 +55,22 @@ impl BindingCompat for *const sys::GDExtensionInterface {
         unsafe { **self }
     }
 }
+
+// ----------------------------------------------------------------------------------------------------------------------------------------------
+// Polyfill for types referenced in function pointer tables
+
+pub(crate) type GDExtensionInterfaceVariantGetPtrBuiltinMethod = Option<
+    unsafe extern "C" fn(
+        p_type: crate::GDExtensionVariantType,
+        p_method: crate::GDExtensionConstStringNamePtr,
+        p_hash: crate::GDExtensionInt,
+    ) -> crate::GDExtensionPtrBuiltInMethod,
+>;
+
+pub(crate) type GDExtensionInterfaceClassdbGetMethodBind = Option<
+    unsafe extern "C" fn(
+        p_classname: crate::GDExtensionConstStringNamePtr,
+        p_methodname: crate::GDExtensionConstStringNamePtr,
+        p_hash: crate::GDExtensionInt,
+    ) -> crate::GDExtensionMethodBindPtr,
+>;