[lua] Fix a bug in SWIG_ALLOC_ARRAY()

improved the error messages for incorrect arguments.
Changed the output of swig_type() to use the human readable form of the type, rather than the raw swig type.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@9863 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Lib/lua/luatypemaps.swg

@@ -348,3 +348,21 @@ $1=&temp;%}
 }
 
 
+/* -----------------------------------------------------------------------------
+ *                          Specials
+ * ----------------------------------------------------------------------------- */
+// swig::LANGUAGE_OBJ was added to allow containers of native objects
+// however its rather difficult to do this in lua, as you cannot hold pointers
+// to native objects (they are held in the interpreter)
+// therefore for now: just ignoring this feature
+#ifdef __cplusplus
+%ignore swig::LANGUAGE_OBJ;
+
+%inline %{
+namespace swig {
+typedef struct{} LANGUAGE_OBJ;
+//typedef void* LANGUAGE_OBJ;
+}
+%}
+
+#endif // __cplusplus