move nullable attribute to where it belongs

read-fonts/generated/generated_stat.rs

@@ -121,13 +121,13 @@ impl<'a> Stat<'a> {
     /// start of the design axes value offsets array. If axisValueCount
     /// is zero, set to zero; if axisValueCount is greater than zero,
     /// must be greater than zero.
-    pub fn offset_to_axis_value_offsets(&self) -> Offset32 {
+    pub fn offset_to_axis_value_offsets(&self) -> Nullable<Offset32> {
         let range = self.shape.offset_to_axis_value_offsets_byte_range();
         self.data.read_at(range.start).unwrap()
     }
 
     /// Attempt to resolve [`offset_to_axis_value_offsets`][Self::offset_to_axis_value_offsets].
-    pub fn offset_to_axis_values(&self) -> Result<AxisValueArray<'a>, ReadError> {
+    pub fn offset_to_axis_values(&self) -> Option<Result<AxisValueArray<'a>, ReadError>> {
         let data = self.data;
         let args = self.axis_value_count();
         self.offset_to_axis_value_offsets()

resources/codegen_inputs/stat.rs

@@ -24,15 +24,15 @@ table Stat {
     #[read_offset_with($design_axis_count)]
     design_axes_offset: Offset32<[AxisRecord]>,
     /// The number of axis value tables.
-    #[nullable]
     #[compile(array_len($offset_to_axis_value_offsets))]
     axis_value_count: u16,
     /// Offset in bytes from the beginning of the STAT table to the
     /// start of the design axes value offsets array. If axisValueCount
     /// is zero, set to zero; if axisValueCount is greater than zero,
     /// must be greater than zero.
+    #[nullable]
     #[read_offset_with($axis_value_count)]
-    #[compile_type(OffsetMarker<Vec<OffsetMarker<AxisValue>>, WIDTH_32>)]
+    #[compile_type(NullableOffsetMarker<Vec<OffsetMarker<AxisValue>>, WIDTH_32>)]
     #[to_owned(convert_axis_value_offsets(obj.offset_to_axis_values()))]
     offset_to_axis_value_offsets: Offset32<AxisValueArray>,
     /// Name ID used as fallback when projection of names into a