bpo-32911: Revert bpo-29463. (GH-7121)

Remove the docstring attribute of AST types and restore docstring
expression as a first stmt in their body.

Co-authored-by: INADA Naoki <methane@users.noreply.github.com>

1 files changed, 4 insertions, 7 deletions

diff --git a/Parser/Python.asdl b/Parser/Python.asdl
index 526cffbce0..f470ad13b6 100644
--- a/Parser/Python.asdl
+++ b/Parser/Python.asdl
@@ -6,7 +6,7 @@
 
 module Python
 {
-    mod = Module(stmt* body, string? docstring)
+    mod = Module(stmt* body)
         | Interactive(stmt* body)
         | Expression(expr body)
 
@@ -14,18 +14,15 @@ module Python
         | Suite(stmt* body)
 
     stmt = FunctionDef(identifier name, arguments args,
-                       stmt* body, expr* decorator_list, expr? returns,
-                       string? docstring)
+                       stmt* body, expr* decorator_list, expr? returns)
           | AsyncFunctionDef(identifier name, arguments args,
-                             stmt* body, expr* decorator_list, expr? returns,
-                             string? docstring)
+                             stmt* body, expr* decorator_list, expr? returns)
 
           | ClassDef(identifier name,
              expr* bases,
              keyword* keywords,
              stmt* body,
-             expr* decorator_list,
-             string? docstring)
+             expr* decorator_list)
           | Return(expr? value)
 
           | Delete(expr* targets)