[Truffle] Make the backtrace formatter a bit more robust if there are…

… foreign frames.
jruby · Aug 21, 2015 · d2c5a62 · d2c5a62
1 parent 1778496
commit d2c5a62
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/truffle/src/main/java/org/jruby/truffle/runtime/backtrace/BacktraceFormatter.java b/truffle/src/main/java/org/jruby/truffle/runtime/backtrace/BacktraceFormatter.java
@@ -143,11 +143,16 @@ public String formatLine(List<Activation> activations, int n) {
         final Activation activation = activations.get(n);
         final SourceSection sourceSection = activation.getCallNode().getEncapsulatingSourceSection();
         final SourceSection reportedSourceSection;
-        final String reportedName;
+        String reportedName;
 
         if (isCore(sourceSection) && !flags.contains(FormattingFlags.INCLUDE_CORE_FILES)) {
             reportedSourceSection = nextUserSourceSection(activations, n);
-            reportedName = RubyArguments.getMethod(activation.getMaterializedFrame().getArguments()).getName();
+
+            try {
+                reportedName = RubyArguments.getMethod(activation.getMaterializedFrame().getArguments()).getName();
+            } catch (Exception e) {
+                reportedName = "???";
+            }
         } else {
             reportedSourceSection = sourceSection;
             reportedName = sourceSection.getIdentifier();