--- a/src/luan/LuaException.java	Thu Dec 20 02:54:06 2012 +0000
+++ b/src/luan/LuaException.java	Fri Dec 21 10:45:54 2012 +0000
@@ -3,12 +3,26 @@
 
 public class LuaException extends Exception {
 
-	public LuaException(String msg) {
-		super(msg);
+	public LuaException(LuaState lua,LuaElement el,String msg) {
+		super(hideNull(msg)+stackTrace(lua,el));
+	}
+
+	public LuaException(LuaState lua,LuaElement el,Exception cause) {
+		super(hideNull(cause.getMessage())+stackTrace(lua,el),cause);
+	}
+
+	private static String hideNull(String s) {
+		return s==null ? "" : s;
 	}
 
-	public LuaException(Exception e) {
-		super(e);
+	private static String stackTrace(LuaState lua,LuaElement el) {
+		StringBuilder buf = new StringBuilder();
+		int i = lua.stackTrace.size() - 1;
+		do {
+			StackTraceElement stackTraceElement = lua.stackTrace.get(i);
+			buf.append( "\n\t" ).append( el.toString(stackTraceElement.fnName) );
+			el = stackTraceElement.call;
+		} while( --i >= 0 );
+		return buf.toString();
 	}
-
 }