improved debug message

[org.ibex.core.git] / src / org / ibex / core / Ibex.java

diff --git a/src/org/ibex/core/Ibex.java b/src/org/ibex/core/Ibex.java
index 9427c20..28a0ab7 100644 (file)
--- a/src/org/ibex/core/Ibex.java
+++ b/src/org/ibex/core/Ibex.java
@@ -402,7 +402,7 @@ public final class Ibex extends JS implements JS.Cloneable {
         public JS call(JS a, JS b, JS c, JS[] rest, int nargs) throws JSExn {
             if (nargs != 1) throw new JSExn("can only call a template with one arg");
             getStatic();
-            if (t == null) throw new JSExn("No such template " + parentkey);
+            if (t == null) throw new JSExn("No such template " + JS.debugToString(parentkey));
             if(!(a instanceof Box)) throw new JSExn("can only apply templates to boxes");
             t.apply((Box)a);
             return a;