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webidl: add support for typedefs

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This commit is contained in:
R. Andrew Ohana
2018-06-11 18:35:20 -07:00
parent 3710d87f3b
commit d065f4b05d
5 changed files with 58 additions and 2 deletions
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32
crates/webidl/src/lib.rs
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@ -123,6 +123,7 @@ impl<'a> WebidlParse<'a> for webidl::ast::Definition {
webidl::ast::Definition::Interface(ref interface) => {
interface.webidl_parse(program, ())
}
webidl::ast::Definition::Typedef(ref typedef) => typedef.webidl_parse(program, ()),
// TODO
webidl::ast::Definition::Callback(..)
| webidl::ast::Definition::Dictionary(..)
@ -130,8 +131,7 @@ impl<'a> WebidlParse<'a> for webidl::ast::Definition {
| webidl::ast::Definition::Implements(..)
| webidl::ast::Definition::Includes(..)
| webidl::ast::Definition::Mixin(..)
| webidl::ast::Definition::Namespace(..)
| webidl::ast::Definition::Typedef(..) => {
| webidl::ast::Definition::Namespace(..) => {
warn!("Unsupported WebIDL definition: {:?}", self);
Ok(())
}
@ -156,6 +156,34 @@ impl<'a> WebidlParse<'a> for webidl::ast::Interface {
}
}
impl<'a> WebidlParse<'a> for webidl::ast::Typedef {
type Extra = ();
fn webidl_parse(&self, program: &mut backend::ast::Program, _: ()) -> Result<()> {
let dest = rust_ident(&self.name);
let src = match webidl_ty_to_syn_ty(&self.type_, TypePosition::Return) {
Some(src) => src,
None => {
warn!(
"typedef's source type is not yet supported: {:?}. Skipping typedef {:?}",
*self.type_, self
);
return Ok(());
}
};
program.type_aliases.push(backend::ast::TypeAlias {
vis: syn::Visibility::Public(syn::VisPublic {
pub_token: Default::default(),
}),
dest,
src,
});
Ok(())
}
}
impl<'a> WebidlParse<'a> for webidl::ast::NonPartialInterface {
type Extra = ();