Use context instead of hacky stack, which allows us to see if we're a

direct :iter descendent or not.

[git-p4: depot-paths = "//src/heckle/dev/": change = 3551]

Rakefile

@@ -14,6 +14,7 @@ Hoe.new('heckle', Heckle::VERSION) do |p|
   p.url = p.paragraphs_of('README.txt', 0).first.split(/\n/)[1..-1]
   p.changes = p.paragraphs_of('History.txt', 0..1).join("\n\n")
 
+  p.extra_deps << ['ParseTree', '~> 2']
   p.extra_deps << ['ruby2ruby', '>= 1.1.6']
   p.extra_deps << ['ZenTest', '>= 3.5.2']
 end

lib/heckle.rb

@@ -233,9 +233,7 @@ def process_call(exp)
 
     call = s(:call, recv, meth, args)
 
-    stack = caller.map { |s| s[/process_\w+/] }.compact
-
-    if stack.first != "process_iter" then
+    if context[1] != :iter then
       mutate_node call
     else
       call
@@ -592,13 +590,18 @@ def mutations_left
 
     if sum == @last_mutations_left then
       puts 'bug!'
+      puts
       require 'pp'
-      puts 'mutatees left:'
+      puts 'mutatees:'
       pp @mutatees
       puts
       puts 'original tree:'
       pp @original_tree
-      abort 'Infinite loop detected'
+      puts
+      puts "Infinite loop detected!"
+      puts "Please save this output to an attachment and submit a ticket here:"
+      puts "http://rubyforge.org/tracker/?func=add&group_id=1513&atid=5921"
+      exit 1
     else
       @last_mutations_left = sum
     end