[fix] reuse existing ellipsis node

baron/grammator.py

@@ -642,15 +642,6 @@ def generate_parse(print_function):
             "value": string_chain
         }
-    @pg.production("atom : DOT DOT DOT")
-    def ellipsis(pack):
-        (first_, middle_, last_) = pack
-        return {
-            "type": "name",
-            "formatting": first_.hidden_tokens_after,
-            "value": "...",
-        }
-
     @pg.production("strings : string strings")
     def strings_string_strings(pack):
         (string_, strings_) = pack

baron/grammator_operators.py

@@ -254,6 +254,7 @@ def include_operators(pg):
         }]
     @pg.production("subscript : DOT DOT DOT")
+    @pg.production("atom : DOT DOT DOT")
     def subscript_ellipsis(pack):
         (dot1, dot2, dot3) = pack
         return {

tests/test_grammator.py

@@ -384,9 +384,9 @@ def test_ellipsis():
     "..."
     parse_simple([('DOT', '.'), ('DOT', '.'),('DOT', '.')], [
         {
-            "type": "name",
-            "formatting": [],
-            "value": "...",
+            "type": "ellipsis",
+            "first_formatting": [],
+            "second_formatting": [],
         }
     ])