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webidl: add support for named constructors

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This commit is contained in:
R. Andrew Ohana
2018-06-14 16:20:20 -07:00
parent c65cb51fba
commit cbec42e86c
2 changed files with 72 additions and 4 deletions
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18
crates/webidl/src/lib.rs
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@ -182,10 +182,10 @@ impl<'a> WebidlParse<&'a webidl::ast::NonPartialInterface> for webidl::ast::Exte
program: &mut backend::ast::Program,
interface: &'a webidl::ast::NonPartialInterface,
) -> Result<()> {
let mut add_constructor = |arguments: &[webidl::ast::Argument]| {
let mut add_constructor = |arguments: &[webidl::ast::Argument], class: &str| {
let self_ty = ident_ty(rust_ident(&interface.name));
let kind = backend::ast::ImportFunctionKind::JsConstructor {
class: interface.name.to_string(),
class: class.to_string(),
ty: self_ty.clone(),
};
create_function(
@ -211,12 +211,22 @@ impl<'a> WebidlParse<&'a webidl::ast::NonPartialInterface> for webidl::ast::Exte
webidl::ast::ArgumentListExtendedAttribute { arguments, name },
) if name == "Constructor" =>
{
add_constructor(&*arguments);
add_constructor(arguments, &interface.name);
}
webidl::ast::ExtendedAttribute::NoArguments(webidl::ast::Other::Identifier(name))
if name == "Constructor" =>
{
add_constructor(&[] as &[_]);
add_constructor(&[] as &[_], &interface.name);
}
webidl::ast::ExtendedAttribute::NamedArgumentList(
webidl::ast::NamedArgumentListExtendedAttribute {
lhs_name,
rhs_arguments,
rhs_name,
},
) if lhs_name == "NamedConstructor" =>
{
add_constructor(rhs_arguments, rhs_name);
}
webidl::ast::ExtendedAttribute::ArgumentList(_)
| webidl::ast::ExtendedAttribute::Identifier(_)