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Implement ToDef for ast::Attr

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This commit is contained in:
Lukas Wirth 2022-01-02 16:58:21 +01:00
parent 6b7b09d329
commit aeb5d64912
2 changed files with 21 additions and 16 deletions
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15
crates/hir/src/semantics/source_to_def.rs
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@ -210,6 +210,19 @@ impl SourceToDefCtx<'_, '_> {
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>,
@ -246,7 +259,7 @@ impl SourceToDefCtx<'_, '_> {
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)?;