--- a/python/c3/parser.py	Mon Jul 08 22:21:44 2013 +0200
+++ b/python/c3/parser.py	Tue Jul 09 17:36:31 2013 +0200
@@ -235,7 +235,7 @@
             rhs = self.Expression()
             return astnodes.Assignment(x, rhs, loc)
         else:
-            return x
+            return astnodes.ExpressionStatement(x, x.loc)
 
     # Expression section:
     # We not implement these C constructs:
@@ -302,20 +302,16 @@
     # Domain of unary expressions:
 
     def CastExpression(self):
-        # TODO: cast conflicts with '(' expr ')', so introduce extra keyword 'cast'
+        # type cast conflicts with '(' expr ')', so introduce extra keyword 'cast'
         if self.Peak == 'cast':
             self.Consume('cast')
             self.Consume('<')
-            print('TODO: implement type cast')
             t = self.parseTypeSpec()
-
-            # Type
             self.Consume('>')
             self.Consume('(')
             ce = self.CastExpression()
             self.Consume(')')
-            # TODO: use type spec here
-            return ce 
+            return astnodes.TypeCast(t, ce)
         else:
             return self.UnaryExpression()