In mcs:

	First cut of the qualified-alias-member feature.
	* cs-tokenizer.cs (Tokenizer.is_punct): Recognize the double-colon
	token.
	* cs-parser.jay (DOUBLE_COLON): New token.
	(namespace_or_type_name): Add rule for recognizing
	qualified-alias-members.
	(primary_expression): Likewise.
	(element_access): Allow QualifiedAliasMember as a possible
	type-bearing expression.
	(local_variable_type, local_variable_pointer_type): Likewise.
	* namespace.cs (NamespaceEntry.LookupAlias): New.  Looks up
	aliases in the current and enclosing namespace declarations.
	(NamespaceEntry.UsingAlias): Add CS0440 warning.
	* decl.cs (MemberName.is_double_colon): New.
	(MemberName.MemberName): Add new constructor for alias-member.
	(MemberName.GetTypeExpression): Generate QualifiedAliasMember too.
	* expression.cs (QualifiedAliasMember): New expression type.

In errors:
	* cs0431.cs, cs0432.cs, cs0432-2.cs, cs0440.cs, cs0687.cs:
	New tests for the qualified-alias-member (::) feature.

In tests:
	* test-426.cs, test-427.cs, test-428.cs, test-429.cs,
	test-430.cs, test-431.cs, test-432.cs, test-433.cs,
	test-434.cs, test-435.cs, test-436.cs: New tests for the
	qualified-alias-member (::) feature.

svn path=/trunk/mcs/; revision=47931

1 files changed, 6 insertions, 0 deletions

diff --git a/mcs/tests/test-427.cs b/mcs/tests/test-427.cs
new file mode 100644
index 00000000000..84d76cdc30c
--- /dev/null
+++ b/mcs/tests/test-427.cs
@@ -0,0 +1,6 @@
+class X {
+	static void Main ()
+	{
+		global::System.Console.WriteLine ("hello");
+	}
+}