From e69ace89a357b0d3d67d48bb239a06962347b6f2 Mon Sep 17 00:00:00 2001
From: Justin Collins <collins@twitter.com>
Date: Fri, 24 Feb 2012 09:55:38 -0800
Subject: [PATCH] Add Util.node_type?

---
 lib/brakeman/util.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/brakeman/util.rb b/lib/brakeman/util.rb
index dea07ebb..87f4d351 100644
--- a/lib/brakeman/util.rb
+++ b/lib/brakeman/util.rb
@@ -192,6 +192,11 @@ module Brakeman::Util
     exp.is_a? Sexp
   end
 
+  #Check if _exp_ is a Sexp and the node type matches one of the given types.
+  def node_type? exp, *types
+    exp.is_a? Sexp and types.include? exp.node_type
+  end
+
   #Return file name related to given warning. Uses +warning.file+ if it exists
   def file_for warning, tracker = nil
     if tracker.nil?
-- 
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