2002-09-08 Miguel de Icaza <miguel@ximian.com>

2002-09-08  Miguel de Icaza  <miguel@ximian.com>

	* namespace.cs (UsingEntry): New struct to hold the name of the
	using definition, the location where it is defined, and whether it
	has been used in a successful type lookup.

	* rootcontext.cs (NamespaceLookup): Use UsingEntries instead of
	strings.

	* decl.cs: ditto.

svn path=/trunk/mcs/; revision=7314