--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dmd/NotExp.d	Sat Oct 24 08:42:06 2009 +0400
@@ -0,0 +1,63 @@
+module dmd.NotExp;
+
+import dmd.Expression;
+import dmd.backend.elem;
+import dmd.UnaExp;
+import dmd.InterState;
+import dmd.Loc;
+import dmd.Scope;
+import dmd.IRState;
+import dmd.TOK;
+import dmd.Type;
+
+import dmd.expression.Not;
+
+import dmd.backend.OPER;
+import dmd.backend.Util;
+
+class NotExp : UnaExp
+{
+	this(Loc loc, Expression e)
+	{
+		super(loc, TOK.TOKnot, NotExp.sizeof, e);
+	}
+
+	Expression semantic(Scope sc)
+	{
+		UnaExp.semantic(sc);
+		e1 = resolveProperties(sc, e1);
+		e1 = e1.checkToBoolean();
+		type = Type.tboolean;
+		return this;
+	}
+
+	Expression optimize(int result)
+	{
+		Expression e;
+
+		e1 = e1.optimize(result);
+		if (e1.isConst() == 1)
+			e = Not(type, e1);
+		else
+			e = this;
+
+		return e;
+	}
+
+	Expression interpret(InterState* istate)
+	{
+		assert(false);
+	}
+
+	int isBit()
+	{
+		assert(false);
+	}
+
+	elem* toElem(IRState* irs)
+	{
+		elem* e = el_una(OPnot, type.totym(), e1.toElem(irs));
+		el_setLoc(e,loc);
+		return e;
+	}
+}
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