--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dmd/BoolExp.d	Sat Oct 24 08:42:06 2009 +0400
@@ -0,0 +1,54 @@
+module dmd.BoolExp;
+
+import dmd.Expression;
+import dmd.backend.elem;
+import dmd.UnaExp;
+import dmd.InterState;
+import dmd.Type;
+import dmd.Loc;
+import dmd.Scope;
+import dmd.IRState;
+import dmd.TOK;
+
+import dmd.backend.OPER;
+import dmd.backend.Util;
+
+class BoolExp : UnaExp
+{
+	this(Loc loc, Expression e, Type t)
+	{
+		super(loc, TOK.init, 0, e);
+		type = t;
+	}
+
+	Expression semantic(Scope sc)
+	{
+		UnaExp.semantic(sc);
+		e1 = resolveProperties(sc, e1);
+		e1 = e1.checkToBoolean();
+		type = Type.tboolean;
+		return this;
+	}
+
+	Expression optimize(int result)
+	{
+		assert(false);
+	}
+
+	Expression interpret(InterState* istate)
+	{
+		assert(false);
+	}
+
+	int isBit()
+	{
+		return true;
+	}
+
+	elem* toElem(IRState* irs)
+	{
+		elem* e1 = this.e1.toElem(irs);
+		return el_una(OPbool,type.totym(),e1);
+	}
+}
+