Merge #6271

6271: Complete methods when receiver is a macro r=matklad a=matklad

bors r+
🤖

Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>

crates/hir_def/src/body.rs

@@ -105,14 +105,16 @@ impl Expander {
 
         let macro_call = InFile::new(self.current_file_id, &macro_call);
 
-        if let Some(call_id) = macro_call.as_call_id(db, self.crate_def_map.krate, |path| {
+        let resolver = |path: ModPath| -> Option<MacroDefId> {
             if let Some(local_scope) = local_scope {
                 if let Some(def) = path.as_ident().and_then(|n| local_scope.get_legacy_macro(n)) {
                     return Some(def);
                 }
             }
             self.resolve_path_as_macro(db, &path)
-        }) {
+        };
+
+        if let Some(call_id) = macro_call.as_call_id(db, self.crate_def_map.krate, resolver) {
             let file_id = call_id.as_file();
             if let Some(node) = db.parse_or_expand(file_id) {
                 if let Some(expr) = T::cast(node) {

crates/hir_expand/src/db.rs

@@ -389,6 +389,7 @@ fn to_fragment_kind(db: &dyn AstDatabase, id: MacroCallId) -> FragmentKind {
         CALL_EXPR => FragmentKind::Expr,
         INDEX_EXPR => FragmentKind::Expr,
         METHOD_CALL_EXPR => FragmentKind::Expr,
+        FIELD_EXPR => FragmentKind::Expr,
         AWAIT_EXPR => FragmentKind::Expr,
         CAST_EXPR => FragmentKind::Expr,
         REF_EXPR => FragmentKind::Expr,

crates/ide/src/completion/complete_dot.rs

@@ -413,4 +413,19 @@ fn foo() {
             "#]],
         );
     }
+
+    #[test]
+    fn completes_method_call_when_receiver_is_a_macro_call() {
+        check(
+            r#"
+struct S;
+impl S { fn foo(&self) {} }
+macro_rules! make_s { () => { S }; }
+fn main() { make_s!().f<|>; }
+"#,
+            expect![[r#"
+                me foo() fn foo(&self)
+            "#]],
+        )
+    }
 }