[Truffle] Handle null SourceSection in WhileRepeatingBaseNode.

jruby · Oct 15, 2016 · d3494fc · d3494fc
1 parent c9ca611
commit d3494fc
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/truffle/src/main/java/org/jruby/truffle/language/control/WhileNode.java b/truffle/src/main/java/org/jruby/truffle/language/control/WhileNode.java
@@ -46,7 +46,7 @@ public Object execute(VirtualFrame frame) {
         loopNode.executeLoop(frame);
         return nil();
     }
-    
+
     private static abstract class WhileRepeatingBaseNode extends Node implements RepeatingNode {
 
         protected final RubyContext context;
@@ -67,7 +67,11 @@ public WhileRepeatingBaseNode(RubyContext context, RubyNode condition, RubyNode
         @Override
         public String toString() {
             SourceSection sourceSection = getEncapsulatingSourceSection();
-            return String.format("while loop at %s:%d", sourceSection.getSource().getName(), sourceSection.getStartLine());
+            if (sourceSection != null && sourceSection.getSource() != null) {
+                return String.format("while loop at %s:%d", sourceSection.getSource().getName(), sourceSection.getStartLine());
+            } else {
+                return "while loop";
+            }
         }
 
     }
@@ -100,7 +104,7 @@ public boolean executeRepeating(VirtualFrame frame) {
         }
 
     }
-    
+
     private static class DoWhileRepeatingNode extends WhileRepeatingBaseNode implements RepeatingNode {
 
         public DoWhileRepeatingNode(RubyContext context, RubyNode condition, RubyNode body) {