}
fn derive_macro_calls(&self, attr: &ast::Attr) -> Option<Vec<Option<MacroCallId>>> {
- let item = attr.syntax().parent().and_then(ast::Item::cast)?;
- let file_id = self.find_file(item.syntax()).file_id;
- let item = InFile::new(file_id, &item);
+ let adt = attr.syntax().parent().and_then(ast::Adt::cast)?;
+ let file_id = self.find_file(adt.syntax()).file_id;
+ let adt = InFile::new(file_id, &adt);
let src = InFile::new(file_id, attr.clone());
self.with_ctx(|ctx| {
- let res = ctx.attr_to_derive_macro_call(item, src)?;
+ let res = ctx.attr_to_derive_macro_call(adt, src)?;
Some(res.to_vec())
})
}
return None;
}
- // Fetch hir::Attr definition
- // FIXME: Move this to ToDef impl?
- let adt = attr.syntax().parent().and_then(ast::Adt::cast)?;
- let attr_pos = adt.attrs().position(|it| it == attr)?;
- let attrs = {
- let file_id = self.find_file(adt.syntax()).file_id;
- let adt = InFile::new(file_id, adt);
- let def = self.with_ctx(|ctx| ctx.adt_to_def(adt))?;
- self.db.attrs(def.into())
- };
- let attr_def = attrs.get(attr_pos)?;
+ let attr_def =
+ ast::Attr::to_def(self, self.find_file(attr.syntax()).with_value(attr.clone()))?;
let mut derive_paths = attr_def.parse_path_comma_token_tree()?;
let derives = self.resolve_derive_macro(&attr)?;
(crate::Local, ast::SelfParam, self_param_to_def),
(crate::Label, ast::Label, label_to_def),
(crate::Adt, ast::Adt, adt_to_def),
+ (crate::Attr, ast::Attr, attr_to_def),
];
fn find_root(node: &SyntaxNode) -> SyntaxNode {
ast::Adt::Union(it) => self.union_to_def(InFile::new(file_id, it)).map(AdtId::UnionId),
}
}
+ pub(super) fn attr_to_def(
+ &mut self,
+ InFile { file_id, value }: InFile<ast::Attr>,
+ ) -> Option<crate::Attr> {
+ // FIXME: Use dynmap?
+ let adt = value.syntax().parent().and_then(ast::Adt::cast)?;
+ let attr_pos = ast::HasAttrs::attrs(&adt).position(|it| it == value)?;
+ let attrs = {
+ let def = self.adt_to_def(InFile::new(file_id, adt))?;
+ self.db.attrs(def.into())
+ };
+ attrs.get(attr_pos).cloned()
+ }
pub(super) fn bind_pat_to_def(
&mut self,
src: InFile<ast::IdentPat>,
pub(super) fn attr_to_derive_macro_call(
&mut self,
- item: InFile<&ast::Item>,
+ item: InFile<&ast::Adt>,
src: InFile<ast::Attr>,
) -> Option<&[Option<MacroCallId>]> {
let map = self.dyn_map(item)?;