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input output property: fix semantic with two ways bindings

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Olivier Goffart 2022-11-10 15:21:13 +01:00 • committed by Olivier Goffart
parent 15d9a2665b
commit 6ab6ae63d4
10 changed files with 477 additions and 23 deletions
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21
internal/compiler/expression_tree.rs
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@ -1130,7 +1130,26 @@ impl Expression {
nr.mark_as_set();
let lookup = nr.element().borrow().lookup_property(nr.name());
if lookup.is_valid_for_assignment() {
true
if !nr
.element()
.borrow()
.property_analysis
.borrow()
.get(nr.name())
.map_or(false, |d| d.is_linked_to_read_only)
{
true
} else if is_legacy_component {
diag.push_warning("Modifying a property that is linked to a read-only property is deprecated".into(), node);
true
} else {
diag.push_error(
"Cannot modify a property that is linked to a read-only property"
.into(),
node,
);
false
}
} else if is_legacy_component
&& lookup.property_visibility == PropertyVisibility::Output
{