Support for Lua added - patch from Mark Gossage

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@7365 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/test-suite/lua/import.lua

@@ -0,0 +1,25 @@
+-- import
+function import(module,intoglobal)
+	-- imports the file into the program
+	-- for a module example
+	-- this must load 'example.dll'
+	-- and look for the fn 'Example_Init()' (note the capitalisation)
+	
+	local libname=module..".dll"	-- windows
+	--libname=module..".so" -- unix
+	
+	-- capitialising the first letter
+	local c=string.upper(string.sub(module,1,1))
+	local fnname=c..string.sub(module,2).."_Init"
+	
+	assert(loadlib(libname,fnname),"error loading module:"..module)()
+	
+	-- moving to global namespace
+	if intoglobal then
+		--m=raw_get(_G,module)	-- gets the module object
+		local m=_G[module]	-- gets the module object
+		assert(m~=nil,"no module table found")
+		local k,v
+		for k,v in m do _G[k]=v end
+	end
+end