SF patch #3394339 from Torsten Landschoff - new option -nomoduleglobal to disable installing the module table into the global namespace. Require call also returns the module table instead of a string

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12780 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/lua/lua_no_module_global_runme.lua

@@ -0,0 +1,24 @@
+-- require is only available in Lua 5.1
+
+if string.sub(_VERSION,1,7)=='Lua 5.1' then
+
+        -- Initially the package should not be loaded
+        assert(package.loaded["lua_no_module_global"] == nil)
+
+        -- Load the module
+        the_module = require "lua_no_module_global"
+
+        -- require should return the module table
+        assert(the_module.hi_mom ~= nil)
+        assert(the_module.hi_mom() == "hi mom!")
+
+        -- But it should not end up in the global table _G, subject to
+        -- the -nomoduleglobal swig option.
+        assert(_G["lua_no_module_global"] == nil)
+
+        -- According to the Lua 5.1 reference manual, require should also
+        -- store the module table into package.loaded["name"]
+        assert(package.loaded["lua_no_module_global"] == the_module)
+        assert(package.loaded["lua_no_module_global"].hi_mom() == "hi mom!")
+
+end