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Mint attribute reads through a layout-checked field token

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Dennis Kobert
2026-08-29 20:16:05 +00:00
parent 41d295f140
commit 3302a3b0b8
5 changed files with 109 additions and 30 deletions
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5
node-graph/nodes/graphic/src/record.rs
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@@ -27,10 +27,9 @@ pub(crate) fn group_leaf_count(group: &core_types::record::Group, fully_flatten:
pub(crate) fn group_locate<'e>(group: &core_types::record::Group<'e>, transform: DAffine2, fully_flatten: bool, depth: usize, remaining: &mut usize) -> Option<(Graphic<'e>, DAffine2)> {
let item = &group.content;
let lanes = item.typed_lanes::<Graphic>().expect("guarded by group_expands");
let offset = item.layout().offset_of(ATTR_TRANSFORM, 0);
let field = core_types::record::FieldOffset::<Transform>::of(item.layout(), 0);
(0..lanes.len()).find_map(|lane| {
// SAFETY: the offset comes from the item's own layout.
let lane_transform = offset.map(|offset| unsafe { item.lanes().get(lane).rec().read::<DAffine2>(offset) }).unwrap_or(DAffine2::IDENTITY);
let lane_transform = item.lanes().get(lane).attr_at(field);
locate(lanes.element_ref(lane), transform * lane_transform, fully_flatten, depth + 1, remaining)
})
}