[mcs] C#7 throw expression

[mono.git] / mcs / mcs / ecore.cs

diff --git a/mcs/mcs/ecore.cs b/mcs/mcs/ecore.cs
index 4d472070a006bf87d04ff839d8260f1a6d20a894..a6c575ecc9e33267efd52365b2cc275d044cb915 100644 (file)
--- a/mcs/mcs/ecore.cs
+++ b/mcs/mcs/ecore.cs
@@ -995,6 +995,11 @@ namespace Mono.CSharp {
                {
                }
 
+               public virtual Reachability MarkReachable (Reachability rc)
+               {
+                       return rc;
+               }
+
                //
                // Special version of flow analysis for expressions which can return different
                // on-true and on-false result. Used by &&, ||, ?: expressions
@@ -1295,10 +1300,6 @@ namespace Mono.CSharp {
        /// </summary>
        public abstract class ExpressionStatement : Expression
        {
-               public virtual void MarkReachable (Reachability rc)
-               {
-               }
-
                public virtual ExpressionStatement ResolveStatement (BlockContext ec)
                {
                        Expression e = Resolve (ec);
@@ -1460,6 +1461,11 @@ namespace Mono.CSharp {
 #endif
                }
 
+               public override Reachability MarkReachable (Reachability rc)
+               {
+                       return child.MarkReachable (rc);
+               }
+
                protected override void CloneTo (CloneContext clonectx, Expression t)
                {
                        // Nothing to clone
@@ -2408,6 +2414,11 @@ namespace Mono.CSharp {
                {
                        return orig_expr.MakeExpression (ctx);
                }
+
+               public override Reachability MarkReachable (Reachability rc)
+               {
+                       return expr.MarkReachable (rc);
+               }
        }
 
        //