[Mono-list] [PATCH] Const fold for AddressOf/Indirect

[Andrew Birkett]

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Hi,

Here is a trivial patch to fix a crash which I discovered when trying to
stress the parser.  Unary expressions '& 1' and '* 1' (AddressOf and
Indirect) currently crash mcs when it tries to perform constant
folding.  Shall I apply to CVS? =20

Andrew
(new email address, btw)


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Index: expression.cs
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
RCS file: /cvs/public/mcs/mcs/expression.cs,v
retrieving revision 1.306
diff -u -r1.306 expression.cs
--- expression.cs	24 Jul 2002 22:56:44 -0000	1.306
+++ expression.cs	27 Jul 2002 10:13:53 -0000
@@ -236,8 +236,14 @@
=20
 				Error23 (expr_type);
 				return null;
+
+			case Operator.AddressOf:
+				return e;
+
+			case Operator.Indirection:
+				return e;
 			}
-			throw new Exception ("Can not constant fold");
+			throw new Exception ("Can not constant fold: " + Oper.ToString());
 		}
=20
 		Expression ResolveOperator (EmitContext ec)

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