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Complete derive helper attributes

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Only their names, anything can go inside.
This commit is contained in:
Chayim Refael Friedman 2024-12-04 01:34:52 +02:00
parent e6276c8b64
commit 890d155ffe
5 changed files with 111 additions and 4 deletions
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16
crates/hir/src/semantics.rs
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@ -510,6 +510,22 @@ impl<'db> SemanticsImpl<'db> {
self.with_ctx(|ctx| ctx.has_derives(adt))
}
pub fn derive_helpers_in_scope(&self, adt: &ast::Adt) -> Option<Vec<(Symbol, Symbol)>> {
let sa = self.analyze_no_infer(adt.syntax())?;
let id = self.db.ast_id_map(sa.file_id).ast_id(adt);
let result = sa
.resolver
.def_map()
.derive_helpers_in_scope(InFile::new(sa.file_id, id))?
.iter()
.map(|(name, macro_, _)| {
let macro_name = Macro::from(*macro_).name(self.db).symbol().clone();
(name.symbol().clone(), macro_name)
})
.collect();
Some(result)
}
pub fn derive_helper(&self, attr: &ast::Attr) -> Option<Vec<(Macro, MacroFileId)>> {
let adt = attr.syntax().ancestors().find_map(ast::Item::cast).and_then(|it| match it {
ast::Item::Struct(it) => Some(ast::Adt::Struct(it)),