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Diffstat (limited to 'crates/hir/src/semantics.rs')
| -rw-r--r-- | crates/hir/src/semantics.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/crates/hir/src/semantics.rs b/crates/hir/src/semantics.rs index 46766fcc5b..65470d061b 100644 --- a/crates/hir/src/semantics.rs +++ b/crates/hir/src/semantics.rs @@ -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)), |