2002-01-24 Miguel de Icaza <miguel@ximian.com>

2002-01-24  Miguel de Icaza  <miguel@ximian.com>

	* expression.cs (ComposedCast): report an error if a pointer cast
	is used in a safe region.

	* ecore.cs (Expression.ConvertExplicit): Add rules for implicit
	pointer type casts in unsafe context.

	* codegen.cs (EmitContext): Set up IsUnsafe.

	* cs-parser.jay (non_expression_type): Add productions for pointer
	casts.

svn path=/trunk/mcs/; revision=2154