1 files changed, 61 insertions, 0 deletions
diff --git a/runtime/CSharp2/Sources/Antlr3.Runtime/Antlr.Runtime.Tree/TreeRuleReturnScope.cs b/runtime/CSharp2/Sources/Antlr3.Runtime/Antlr.Runtime.Tree/TreeRuleReturnScope.cs
new file mode 100644
index 0000000..6d084a8
--- /dev/null
+++ b/runtime/CSharp2/Sources/Antlr3.Runtime/Antlr.Runtime.Tree/TreeRuleReturnScope.cs
@@ -0,0 +1,61 @@
+/*
+ * [The "BSD licence"]
+ * Copyright (c) 2005-2008 Terence Parr
+ * All rights reserved.
+ *
+ * Conversion to C#:
+ * Copyright (c) 2008-2010 Sam Harwell, Pixel Mine, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace Antlr.Runtime.Tree {
+    /** <summary>
+     *  This is identical to the ParserRuleReturnScope except that
+     *  the start property is a tree nodes not Token object
+     *  when you are parsing trees.
+     *  </summary>
+     */
+    [System.Serializable]
+    public class TreeRuleReturnScope<TTree> : IRuleReturnScope<TTree> {
+        private TTree _start;
+
+        /** <summary>Gets the first node or root node of tree matched for this rule.</summary> */
+        public TTree Start {
+            get {
+                return _start;
+            }
+
+            set {
+                _start = value;
+            }
+        }
+
+        TTree IRuleReturnScope<TTree>.Stop {
+            get {
+                return default(TTree);
+            }
+        }
+    }
+}