Fix bugs in dereferencing, minor code cleanup

1 files changed, 7 insertions, 5 deletions

diff --git a/boil/library/TypeFactory.java b/boil/library/TypeFactory.java
index 8c64101..93966f0 100644
--- a/boil/library/TypeFactory.java
+++ b/boil/library/TypeFactory.java
@@ -32,11 +32,13 @@ public class TypeFactory {
          * list of the x most recent entries.
          */
         String rtn = "";
-        rtn += String.format("t.%d",
-                             type_num-x);
-        for (int i = type_num-(x-1); i < type_num; ++i) {
-            rtn += String.format(" t.%d",
-                                 i);
+        if (x > 0) {
+            rtn += String.format("t.%d",
+                                 type_num-x);
+            for (int i = type_num-(x-1); i < type_num; ++i) {
+                rtn += String.format(" t.%d",
+                                     i);
+            }
         }
 
         return rtn;