Allow `{Binding .}` syntax.

Fixes #1898.
7 years ago · e486d7f8ea
1 changed files with 10 additions and 0 deletions
--- a/src/Markup/Avalonia.Markup/Markup/Parsers/ExpressionParser.cs
+++ b/src/Markup/Avalonia.Markup/Markup/Parsers/ExpressionParser.cs
@ -106,6 +106,11 @@ namespace Avalonia.Markup.Parsers
            {
                return State.Indexer;
            }
+            else if (ParseDot(ref r))
+            {
+                nodes.Add(new EmptyExpressionNode());
+                return State.End;
+            }
            else
            {
                var identifier = r.ParseIdentifier();
@ -317,6 +322,11 @@ namespace Avalonia.Markup.Parsers
            return !r.End && r.TakeIf('#');
        }

+        private static bool ParseDot(ref CharacterReader r)
+        {
+            return !r.End && r.TakeIf('.');
+        }
+
        private enum State
        {
            Start,