- change localhost to 127.0.0.1 in chat example to make it work out o…

…f box with 1.9.3

- ensure that rewrite of iters handles empty block variable lists properly in 1.9.3
- ExecModeTest now gets a 0 signal as expect in comment; change test to reflect

examples/chat/chat_protocol.rb

@@ -4,5 +4,5 @@ module ChatProtocol
     channel :mcast
   end
 
-  DEFAULT_ADDR = "localhost:12345"
+  DEFAULT_ADDR = "127.0.0.1:12345"
 end

lib/bud/rewrite.rb

@@ -379,6 +379,9 @@ def process_call(exp)
 
   def process_iter(exp)
     tag, recv, iter_args, body = exp
+    if (iter_args == 0)
+      iter_args = [:args]
+    end
     new_body = push_and_process(body)
     return s(tag, process(recv), process(iter_args), new_body)
   end
@@ -418,6 +421,9 @@ def initialize(bud_instance)
   def process_iter(exp)
     tag, recv, iter_args, body = exp
     new_body = push_and_process(body)
+    if (iter_args == 0)
+      iter_args = [:args]
+    end
     return s(tag, process(recv), process(iter_args), new_body)
   end
 

test/tc_execmodes.rb

@@ -92,7 +92,7 @@ def kill_child_with_signal(parent_class, signal)
     _, status = Process.waitpid2(pid)
     assert(!status.signaled?)           # Should have caught the signal
     assert(status.exited?)
-    assert_equal(1, status.exitstatus)  # XXX: probably should be 0
+    assert_equal(0, status.exitstatus)
     parent.stop
     read.close ; write.close
   end