1 files changed, 135 insertions, 0 deletions
diff --git a/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/TraceDebugEventListener.cs b/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/TraceDebugEventListener.cs
new file mode 100644
index 0000000..c71da4f
--- /dev/null
+++ b/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/TraceDebugEventListener.cs
@@ -0,0 +1,135 @@
+/*
+ * [The "BSD licence"]
+ * Copyright (c) 2005-2008 Terence Parr
+ * All rights reserved.
+ *
+ * Conversion to C#:
+ * Copyright (c) 2008-2009 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.Debug
+{
+    using Antlr.Runtime.JavaExtensions;
+
+    using Console = System.Console;
+    using ITreeAdaptor = Antlr.Runtime.Tree.ITreeAdaptor;
+
+    /** <summary>Print out (most of) the events... Useful for debugging, testing...</summary> */
+    public class TraceDebugEventListener : BlankDebugEventListener
+    {
+        ITreeAdaptor adaptor;
+
+        public TraceDebugEventListener( ITreeAdaptor adaptor )
+        {
+            this.adaptor = adaptor;
+        }
+
+        public void EnterRule( string ruleName )
+        {
+            Console.Out.WriteLine( "enterRule " + ruleName );
+        }
+        public void ExitRule( string ruleName )
+        {
+            Console.Out.WriteLine( "exitRule " + ruleName );
+        }
+        public override void EnterSubRule( int decisionNumber )
+        {
+            Console.Out.WriteLine( "enterSubRule" );
+        }
+        public override void ExitSubRule( int decisionNumber )
+        {
+            Console.Out.WriteLine( "exitSubRule" );
+        }
+        public override void Location( int line, int pos )
+        {
+            Console.Out.WriteLine( "location " + line + ":" + pos );
+        }
+
+        #region Tree parsing stuff
+
+        public override void ConsumeNode( object t )
+        {
+            int ID = adaptor.GetUniqueID( t );
+            string text = adaptor.GetText( t );
+            int type = adaptor.GetType( t );
+            Console.Out.WriteLine( "consumeNode " + ID + " " + text + " " + type );
+        }
+
+        public override void LT( int i, object t )
+        {
+            int ID = adaptor.GetUniqueID( t );
+            string text = adaptor.GetText( t );
+            int type = adaptor.GetType( t );
+            Console.Out.WriteLine( "LT " + i + " " + ID + " " + text + " " + type );
+        }
+
+        #endregion
+
+
+        #region AST stuff
+
+        public override void NilNode( object t )
+        {
+            Console.Out.WriteLine( "nilNode " + adaptor.GetUniqueID( t ) );
+        }
+
+        public override void CreateNode( object t )
+        {
+            int ID = adaptor.GetUniqueID( t );
+            string text = adaptor.GetText( t );
+            int type = adaptor.GetType( t );
+            Console.Out.WriteLine( "create " + ID + ": " + text + ", " + type );
+        }
+
+        public override void CreateNode( object node, IToken token )
+        {
+            int ID = adaptor.GetUniqueID( node );
+            string text = adaptor.GetText( node );
+            int tokenIndex = token.TokenIndex;
+            Console.Out.WriteLine( "create " + ID + ": " + tokenIndex );
+        }
+
+        public override void BecomeRoot( object newRoot, object oldRoot )
+        {
+            Console.Out.WriteLine( "becomeRoot " + adaptor.GetUniqueID( newRoot ) + ", " +
+                               adaptor.GetUniqueID( oldRoot ) );
+        }
+
+        public override void AddChild( object root, object child )
+        {
+            Console.Out.WriteLine( "addChild " + adaptor.GetUniqueID( root ) + ", " +
+                               adaptor.GetUniqueID( child ) );
+        }
+
+        public override void SetTokenBoundaries( object t, int tokenStartIndex, int tokenStopIndex )
+        {
+            Console.Out.WriteLine( "setTokenBoundaries " + adaptor.GetUniqueID( t ) + ", " +
+                               tokenStartIndex + ", " + tokenStopIndex );
+        }
+
+        #endregion
+    }
+}