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Simplify

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This commit is contained in:
Lukas Wirth 2022-02-21 13:34:05 +01:00
parent 1bbef5af85
commit 94e59c9c56
3 changed files with 37 additions and 27 deletions
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24
crates/hir/src/lib.rs
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@ -1793,10 +1793,7 @@ impl MacroDef {
}
pub fn is_builtin_derive(&self) -> bool {
match self.id.kind {
MacroDefKind::BuiltInAttr(exp, _) => exp.is_derive(),
_ => false,
}
matches!(self.id.kind, MacroDefKind::BuiltInAttr(exp, _) if exp.is_derive())
}
pub fn is_attr(&self) -> bool {
@ -2433,24 +2430,7 @@ impl Impl {
pub fn is_builtin_derive(self, db: &dyn HirDatabase) -> Option<InFile<ast::Attr>> {
let src = self.source(db)?;
let item = src.file_id.is_builtin_derive(db.upcast())?;
let hygenic = hir_expand::hygiene::Hygiene::new(db.upcast(), item.file_id);
// FIXME: handle `cfg_attr`
let attr = item
.value
.attrs()
.filter_map(|it| {
let path = ModPath::from_src(db.upcast(), it.path()?, &hygenic)?;
if path.as_ident()?.to_smol_str() == "derive" {
Some(it)
} else {
None
}
})
.last()?;
Some(item.with_value(attr))
src.file_id.is_builtin_derive(db.upcast())
}
}