Made GUIComponent.getPin(String) fail-fast

diff --git a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/GUIComponent.java b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/GUIComponent.java
index c19b800..22f1fbf 100644 (file)
--- a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/GUIComponent.java
+++ b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/GUIComponent.java
@@ -89,7 +89,10 @@ public abstract class GUIComponent
 
        public Pin getPin(String name)
        {
-               return pinsByName.get(name);
+               Pin pin = pinsByName.get(name);
+               if (pin == null)
+                       throw new IllegalArgumentException("No pin with the name " + name);
+               return pin;
        }
 
        // @formatter:off