--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dmdscript_tango/identifier.d	Sun Jan 24 12:34:47 2010 +0200
@@ -0,0 +1,57 @@
+
+/* Digital Mars DMDScript source code.
+ * Copyright (c) 2000-2002 by Chromium Communications
+ * D version Copyright (c) 2004-2009 by Digital Mars
+ * All Rights Reserved
+ * written by Walter Bright
+ * http://www.digitalmars.com
+ * Use at your own risk. There is no warranty, express or implied.
+ * License for redistribution is by the GNU General Public License in gpl.txt.
+ *
+ * A binary, non-exclusive license for commercial use can be
+ * purchased from www.digitalmars.com/dscript/buy.html.
+ *
+ * DMDScript is implemented in the D Programming Language,
+ * www.digitalmars.com/d/
+ *
+ * For a C++ implementation of DMDScript, including COM support,
+ * see www.digitalmars.com/dscript/cppscript.html.
+ */
+
+module dmdscript.identifier;
+
+import dmdscript.script;
+import dmdscript.value;
+
+/* An Identifier is a special case of a Value - it is a V_STRING
+ * and has the hash value computed and set.
+ */
+
+struct Identifier
+{
+    Value value;
+
+    tchar[] toString()
+    {
+	return value.string;
+    }
+
+    int opEquals(Identifier *id)
+    {
+	return this is id || value.string == id.value.string;
+    }
+
+    static Identifier* build(tchar[] s)
+    {	Identifier* id = new Identifier;
+	id.value.putVstring(s);
+	id.value.toHash();
+	return id;
+    }
+
+    uint toHash()
+    {
+	return value.hash;
+    }
+}
+
+