1 files changed, 16 insertions, 0 deletions
diff --git a/src/ffluci/util.lua b/src/ffluci/util.lua
index 6e0d8675a3..4f0551e694 100644
--- a/src/ffluci/util.lua
+++ b/src/ffluci/util.lua
@@ -92,6 +92,7 @@ function exec(command)
 	return data
 end
 
+
 -- Runs "command" and returns its output as a array of lines
 function execl(command)
 	local pp   = io.popen(command)	
@@ -108,6 +109,7 @@ function execl(command)
 	return data
 end
 
+
 -- Populate obj in the scope of f as key 
 function extfenv(f, key, obj)
 	local scope = getfenv(f)
@@ -116,6 +118,19 @@ function extfenv(f, key, obj)
 end
 
 
+-- Checks whether an object is an instanceof class
+function instanceof(object, class)
+	local meta = getmetatable(object)
+    while meta and meta.__index do 
+    	if meta.__index == class then
+    		return true
+    	end
+        meta = getmetatable(meta.__index)
+    end
+    return false	
+end
+
+
 -- Updates the scope of f with "extscope"
 function updfenv(f, extscope)
 	local scope = getfenv(f)
@@ -125,6 +140,7 @@ function updfenv(f, extscope)
 	setfenv(f, scope)
 end
 
+
 -- Returns the filename of the calling script
 function __file__()
 	return debug.getinfo(2, 'S').source:sub(2)