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compiler: Document function added in d0fc025bc8

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... and remove code needlessly added in that commit,
too.
This commit is contained in:
Tobias Hunger 2024-03-06 13:26:09 +01:00 • committed by Tobias Hunger
parent a4053531ad
commit 2e035fd0d1
1 changed files with 7 additions and 21 deletions
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28
internal/compiler/langtype.rs
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@ -481,27 +481,10 @@ impl ElementType {
}
}
pub fn can_have_child(&self, name: &str, tr: &TypeRegister) -> bool {
match self {
Self::Component(component) if component.child_insertion_point.borrow().is_none() => {
let base_type = component.root_element.borrow().base_type.clone();
if base_type == tr.empty_type() {
false
} else {
base_type.can_have_child(name, tr)
}
}
Self::Builtin(builtin) => {
if builtin.additional_accepted_child_types.contains_key(name) {
true
} else {
!builtin.disallow_global_types_as_child_elements
}
}
_ => true,
}
}
/// This function looks at the element and checks whether it can have Elements of type `name` as children.
/// It returns an Error if that is not possible or an Option of the ElementType if it is.
/// The option is unset when the compiler does not know the type well enough to avoid further
/// probing.
pub fn accepts_child_element(
&self,
name: &str,
@ -537,6 +520,9 @@ impl ElementType {
Ok(None)
}
/// This function looks at the element and checks whether it can have Elements of type `name` as children.
/// In addition to what `accepts_child_element` does, this method also probes the type of `name`.
/// It returns an Error if that is not possible or an `ElementType` if it is.
pub fn lookup_type_for_child_element(
&self,
name: &str,