1 files changed, 0 insertions, 140 deletions
diff --git a/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/ParseTreeBuilder.cs b/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/ParseTreeBuilder.cs
deleted file mode 100644
index cb5f678..0000000
--- a/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/ParseTreeBuilder.cs
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * [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 System.Collections.Generic;
-    using ParseTree = Antlr.Runtime.Tree.ParseTree;
-
-    /** <summary>
-     *  This parser listener tracks rule entry/exit and token matches
-     *  to build a simple parse tree using ParseTree nodes.
-     *  </summary>
-     */
-    public class ParseTreeBuilder : BlankDebugEventListener
-    {
-        public const string EPSILON_PAYLOAD = "<epsilon>";
-
-        Stack<ParseTree> callStack = new Stack<ParseTree>();
-        List<IToken> hiddenTokens = new List<IToken>();
-        int backtracking = 0;
-
-        public ParseTreeBuilder( string grammarName )
-        {
-            ParseTree root = Create( "<grammar " + grammarName + ">" );
-            callStack.Push( root );
-        }
-
-        public virtual ParseTree Tree
-        {
-            get
-            {
-                ParseTree[] stack = callStack.ToArray();
-                return stack[stack.Length - 1];
-            }
-        }
-
-        /** <summary>
-         *  What kind of node to create.  You might want to override
-         *  so I factored out creation here.
-         *  </summary>
-         */
-        public virtual ParseTree Create( object payload )
-        {
-            return new ParseTree( payload );
-        }
-
-        public virtual ParseTree EpsilonNode()
-        {
-            return Create( EPSILON_PAYLOAD );
-        }
-
-        /** <summary>Backtracking or cyclic DFA, don't want to add nodes to tree</summary> */
-        public override void EnterDecision( int d, bool couldBacktrack )
-        {
-            backtracking++;
-        }
-        public override void ExitDecision( int i )
-        {
-            backtracking--;
-        }
-
-        public override void EnterRule( string filename, string ruleName )
-        {
-            if ( backtracking > 0 )
-                return;
-            ParseTree parentRuleNode = callStack.Peek();
-            ParseTree ruleNode = Create( ruleName );
-            parentRuleNode.AddChild( ruleNode );
-            callStack.Push( ruleNode );
-        }
-
-        public override void ExitRule( string filename, string ruleName )
-        {
-            if ( backtracking > 0 )
-                return;
-            ParseTree ruleNode = callStack.Peek();
-            if ( ruleNode.ChildCount == 0 )
-            {
-                ruleNode.AddChild( EpsilonNode() );
-            }
-            callStack.Pop();
-        }
-
-        public override void ConsumeToken( IToken token )
-        {
-            if ( backtracking > 0 )
-                return;
-            ParseTree ruleNode = callStack.Peek();
-            ParseTree elementNode = Create( token );
-            elementNode.hiddenTokens = this.hiddenTokens;
-            this.hiddenTokens = new List<IToken>();
-            ruleNode.AddChild( elementNode );
-        }
-
-        public override void ConsumeHiddenToken( IToken token )
-        {
-            if ( backtracking > 0 )
-                return;
-            hiddenTokens.Add( token );
-        }
-
-        public override void RecognitionException( RecognitionException e )
-        {
-            if ( backtracking > 0 )
-                return;
-            ParseTree ruleNode = callStack.Peek();
-            ParseTree errorNode = Create( e );
-            ruleNode.AddChild( errorNode );
-        }
-    }
-}