From 9c520836a85961a4df0fa9dbc0813e8c0e4b2567 Mon Sep 17 00:00:00 2001
From: hansen <dominik_hansen@web.de>
Date: Tue, 8 Mar 2016 09:57:58 +0100
Subject: [PATCH] Improved error message

---
 src/main/java/de/tla2b/analysis/TypeChecker.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/de/tla2b/analysis/TypeChecker.java b/src/main/java/de/tla2b/analysis/TypeChecker.java
index 2a7463b..542e34c 100644
--- a/src/main/java/de/tla2b/analysis/TypeChecker.java
+++ b/src/main/java/de/tla2b/analysis/TypeChecker.java
@@ -172,8 +172,8 @@ public class TypeChecker extends BuiltInOPs implements ASTConstants, BBuildIns,
 			OpDeclNode var = vars[i];
 			TLAType varType = (TLAType) var.getToolObject(TYPE_ID);
 			if (varType.isUntyped()) {
-				throw new TypeErrorException("Variable '" + var.getName()
-						+ "' has no type!");
+				throw new TypeErrorException("The type of the variable '" + var.getName()
+						+ "' can not be inferred: " + varType);
 			}
 		}
 
-- 
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