add printing for ast

[cc1516.git] / sem.dcl

diff --git a/sem.dcl b/sem.dcl
index dbf1014..e981361 100644 (file)
--- a/sem.dcl
+++ b/sem.dcl
@@ -10,6 +10,7 @@ from StdOverloaded import class toString
        | UnifyError Pos Type Type 
     | FieldSelectorError Pos Type FieldSelector 
        | OperatorError Pos Op2 Type
+    | UndeclaredVariableError Pos String
        | Error String
 :: Gamma
 :: SemOutput :== Either [SemError] (AST, Gamma)