Replace NamespaceReference by UsingDirective and UnresolvedSymbol, fixes

2008-09-26  Jürg Billeter  <j@bitron.ch>

	* vala/Makefile.am:
	* vala/valacodevisitor.vala:
	* vala/valagenieparser.vala:
	* vala/valaparser.vala:
	* vala/valasemanticanalyzer.vala:
	* vala/valasourcefile.vala:
	* vala/valasymbolresolver.vala:
	* vala/valaunresolvedsymbol.vala:
	* vala/valausingdirective.vala:
	* compiler/valacompiler.vala:

	Replace NamespaceReference by UsingDirective and UnresolvedSymbol,
	fixes bug 537510

	* tests/namespaces.vala:

	Test using directive with nested namespaces

svn path=/trunk/; revision=1783

1 files changed, 48 insertions, 0 deletions

diff --git a/vala/valausingdirective.vala b/vala/valausingdirective.vala
new file mode 100644
index 000000000..9fb0766af
--- /dev/null
+++ b/vala/valausingdirective.vala
@@ -0,0 +1,48 @@
+/* valausingdirective.vala
+ *
+ * Copyright (C) 2006-2008  Jürg Billeter
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ * 	Jürg Billeter <j@bitron.ch>
+ */
+
+using GLib;
+
+/**
+ * A reference to a namespace symbol.
+ */
+public class Vala.UsingDirective : CodeNode {
+	/**
+	 * The symbol of the namespace this using directive is referring to.
+	 */
+	public Symbol namespace_symbol { get; set; }
+
+	/**
+	 * Creates a new using directive.
+	 *
+	 * @param namespace_symbol namespace symbol
+	 * @return                 newly created using directive
+	 */
+	public UsingDirective (Symbol namespace_symbol, SourceReference? source_reference = null) {
+		this.namespace_symbol = namespace_symbol;
+		this.source_reference = source_reference;
+	}
+	
+	public override void accept (CodeVisitor visitor) {
+		visitor.visit_using_directive (this);
+	}
+}