| /* |
| * [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 |
| } |
| } |