libSyntax: use node choice for dictionary expression.

This allows us to support empty dictionary literal.
2025-12-21 12:14:44 +01:00 · 2017-12-20 17:35:41 -08:00
parent 21fc2fb92b
commit b4da5a3c31
5 changed files with 15 additions and 1 deletions
--- a/utils/gyb_syntax_support/ExprNodes.py
+++ b/utils/gyb_syntax_support/ExprNodes.py
@@ -152,7 +152,11 @@ EXPR_NODES = [
    Node('DictionaryExpr', kind='Expr',
         children=[
             Child('LeftSquare', kind='LeftSquareToken'),
-             Child('Elements', kind='DictionaryElementList'),
+             Child('Content', kind='Syntax',
+                   node_choices=[
+                       Child('Colon', kind='ColonToken'),
+                       Child('Elements', kind='DictionaryElementList'),
+                   ]),
             Child('RightSquare', kind='RightSquareToken'),
         ]),