From 805ea9e88db9011522f33e1e57e173b307ae3005 Mon Sep 17 00:00:00 2001
From: rst256 <military@post.cz>
Date: Fri, 16 Jan 2015 05:44:00 +0700
Subject: [PATCH] Store used external function in local scope

Fix bug like this:
function fn(...) setmetatable = {...} return setmetatable end
print(inspect(fn(1,2,3))) -- error, attempt to call a table value (global 'setmetatable')
---
 inspect.lua | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/inspect.lua b/inspect.lua
index b7107d4..b9d1d56 100644
--- a/inspect.lua
+++ b/inspect.lua
@@ -28,6 +28,17 @@ local inspect ={
   ]]
 }
 
+local pairs = pairs
+local ipairs = ipairs
+local type = type
+local math = math
+local tostring = tostring
+local rawset = rawset
+local next = next
+local getmetatable = getmetatable
+local table = table
+local setmetatable = setmetatable
+
 inspect.KEY       = setmetatable({}, {__tostring = function() return 'inspect.KEY' end})
 inspect.METATABLE = setmetatable({}, {__tostring = function() return 'inspect.METATABLE' end})