+
+ //
+ // A null constant in a pointer context
+ //
+ class NullPointer : NullConstant
+ {
+ public NullPointer (TypeSpec type, Location loc)
+ : base (type, loc)
+ {
+ }
+
+ public override Expression CreateExpressionTree (ResolveContext ec)
+ {
+ Error_PointerInsideExpressionTree (ec);
+ return base.CreateExpressionTree (ec);
+ }
+
+ public override void Emit (EmitContext ec)
+ {
+ //
+ // Emits null pointer
+ //
+ ec.Emit (OpCodes.Ldc_I4_0);
+ ec.Emit (OpCodes.Conv_U);
+ }
+ }
+