Move to upstream macro_rules! model

crates/hir/src/has_source.rs

@@ -110,8 +110,8 @@ impl HasSource for TypeAlias {
     }
 }
 impl HasSource for MacroDef {
-    type Ast = ast::MacroCall;
-    fn source(self, db: &dyn HirDatabase) -> InFile<ast::MacroCall> {
+    type Ast = ast::MacroRules;
+    fn source(self, db: &dyn HirDatabase) -> InFile<ast::MacroRules> {
         InFile {
             file_id: self.id.ast_id.expect("MacroDef without ast_id").file_id,
             value: self.id.ast_id.expect("MacroDef without ast_id").to_node(db.upcast()),

crates/hir/src/semantics.rs

@@ -723,7 +723,7 @@ to_def_impls![
     (crate::EnumVariant, ast::Variant, enum_variant_to_def),
     (crate::TypeParam, ast::TypeParam, type_param_to_def),
     (crate::LifetimeParam, ast::LifetimeParam, lifetime_param_to_def),
-    (crate::MacroDef, ast::MacroCall, macro_call_to_def), // this one is dubious, not all calls are macros
+    (crate::MacroDef, ast::MacroRules, macro_rules_to_def),
     (crate::Local, ast::IdentPat, bind_pat_to_def),
 ];
 

crates/hir/src/semantics/source_to_def.rs

@@ -149,7 +149,10 @@ impl SourceToDefCtx<'_, '_> {
     }
 
     // FIXME: use DynMap as well?
-    pub(super) fn macro_call_to_def(&mut self, src: InFile<ast::MacroCall>) -> Option<MacroDefId> {
+    pub(super) fn macro_rules_to_def(
+        &mut self,
+        src: InFile<ast::MacroRules>,
+    ) -> Option<MacroDefId> {
         let kind = MacroDefKind::Declarative;
         let file_id = src.file_id.original_file(self.db.upcast());
         let krate = self.file_to_def(file_id)?.krate;