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Translate the Global attribute to "structural"

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All APIs on `Windows` are tagged where `Window` has `[Global]`, and they all
need to be structurally accessed rather than through a prototype.
This commit is contained in:
Alex Crichton 2018-09-17 14:10:23 -07:00
parent c67582a315
commit 8cf9da4981
1 changed files with 14 additions and 1 deletions
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15
crates/webidl/src/util.rs
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@ -630,6 +630,18 @@ fn has_named_attribute(list: Option<&ExtendedAttributeList>, attribute: &str) ->
})
}
fn has_ident_attribute(list: Option<&ExtendedAttributeList>, ident: &str) -> bool {
let list = match list {
Some(list) => list,
None => return false,
};
list.body.list.iter().any(|attr| match attr {
ExtendedAttribute::Ident(id) => id.lhs_identifier.0 == ident,
ExtendedAttribute::IdentList(id) => id.identifier.0 == ident,
_ => false,
})
}
/// ChromeOnly is for things that are only exposed to privileged code in Firefox.
pub fn is_chrome_only(ext_attrs: &Option<ExtendedAttributeList>) -> bool {
has_named_attribute(ext_attrs.as_ref(), "ChromeOnly")
@ -646,7 +658,8 @@ pub fn is_structural(
container_attrs: Option<&ExtendedAttributeList>,
) -> bool {
has_named_attribute(item_attrs, "Unforgeable") ||
has_named_attribute(container_attrs, "Unforgeable")
has_named_attribute(container_attrs, "Unforgeable") ||
has_ident_attribute(container_attrs, "Global")
}
/// Whether a webidl object is marked as throwing.