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Diffstat (limited to 'runtime/CSharp3/Sources/Antlr3.Runtime.Debug/DebugEventSocketProxy.cs')
| -rw-r--r-- | runtime/CSharp3/Sources/Antlr3.Runtime.Debug/DebugEventSocketProxy.cs | 445 |
1 files changed, 0 insertions, 445 deletions
diff --git a/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/DebugEventSocketProxy.cs b/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/DebugEventSocketProxy.cs deleted file mode 100644 index 64b0fd2..0000000 --- a/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/DebugEventSocketProxy.cs +++ /dev/null @@ -1,445 +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; - using Antlr.Runtime.JavaExtensions; - - using IOException = System.IO.IOException; - using ITreeAdaptor = Antlr.Runtime.Tree.ITreeAdaptor; - using Socket = System.Net.Sockets.Socket; - using StringBuilder = System.Text.StringBuilder; - using TcpListener = System.Net.Sockets.TcpListener; - - /** <summary> - * A proxy debug event listener that forwards events over a socket to - * a debugger (or any other listener) using a simple text-based protocol; - * one event per line. ANTLRWorks listens on server socket with a - * RemoteDebugEventSocketListener instance. These two objects must therefore - * be kept in sync. New events must be handled on both sides of socket. - * </summary> - */ - public class DebugEventSocketProxy : BlankDebugEventListener - { - public const int DefaultDebuggerPort = 49100; - protected int port = DefaultDebuggerPort; - protected TcpListener serverSocket; - protected Socket socket; - protected string grammarFileName; - //protected PrintWriter @out; - //protected BufferedReader @in; - - /** <summary>Who am i debugging?</summary> */ - protected BaseRecognizer recognizer; - - /** <summary> - * Almost certainly the recognizer will have adaptor set, but - * we don't know how to cast it (Parser or TreeParser) to get - * the adaptor field. Must be set with a constructor. :( - * </summary> - */ - protected ITreeAdaptor adaptor; - - public DebugEventSocketProxy( BaseRecognizer recognizer, ITreeAdaptor adaptor ) : - this( recognizer, DefaultDebuggerPort, adaptor ) - { - } - - public DebugEventSocketProxy( BaseRecognizer recognizer, int port, ITreeAdaptor adaptor ) - { - this.grammarFileName = recognizer.GrammarFileName; - this.adaptor = adaptor; - this.port = port; - } - - #region Properties - public virtual ITreeAdaptor TreeAdaptor - { - get - { - return adaptor; - } - set - { - adaptor = value; - } - } - #endregion - - public virtual void Handshake() - { - if ( serverSocket == null ) - { - System.Net.IPHostEntry hostInfo = System.Net.Dns.GetHostEntry( "localhost" ); - System.Net.IPAddress ipAddress = hostInfo.AddressList[0]; - serverSocket = new TcpListener( ipAddress, port ); - socket = serverSocket.AcceptSocket(); - socket.NoDelay = true; - - System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding(); - socket.Send( encoding.GetBytes( "ANTLR " + DebugEventListenerConstants.ProtocolVersion + "\n" ) ); - socket.Send( encoding.GetBytes( "grammar \"" + grammarFileName + "\n" ) ); - Ack(); - - //serverSocket = new ServerSocket( port ); - //socket = serverSocket.accept(); - //socket.setTcpNoDelay( true ); - //OutputStream os = socket.getOutputStream(); - //OutputStreamWriter osw = new OutputStreamWriter( os, "UTF8" ); - //@out = new PrintWriter( new BufferedWriter( osw ) ); - //InputStream @is = socket.getInputStream(); - //InputStreamReader isr = new InputStreamReader( @is, "UTF8" ); - //@in = new BufferedReader( isr ); - //@out.println( "ANTLR " + DebugEventListenerConstants.PROTOCOL_VERSION ); - //@out.println( "grammar \"" + grammarFileName ); - //@out.flush(); - //ack(); - } - } - - public override void Commence() - { - // don't bother sending event; listener will trigger upon connection - } - - public override void Terminate() - { - Transmit( "terminate" ); - //@out.close(); - try - { - socket.Close(); - } - catch ( IOException ioe ) - { - ExceptionExtensions.PrintStackTrace( ioe, Console.Error ); - } - } - - protected virtual void Ack() - { - try - { - throw new NotImplementedException(); - //@in.readLine(); - } - catch ( IOException ioe ) - { - ExceptionExtensions.PrintStackTrace( ioe, Console.Error ); - } - } - - protected virtual void Transmit( string @event ) - { - socket.Send( new System.Text.UTF8Encoding().GetBytes( @event + "\n" ) ); - //@out.println( @event ); - //@out.flush(); - Ack(); - } - - public override void EnterRule( string grammarFileName, string ruleName ) - { - Transmit( "enterRule\t" + grammarFileName + "\t" + ruleName ); - } - - public override void EnterAlt( int alt ) - { - Transmit( "enterAlt\t" + alt ); - } - - public override void ExitRule( string grammarFileName, string ruleName ) - { - Transmit( "exitRule\t" + grammarFileName + "\t" + ruleName ); - } - - public override void EnterSubRule( int decisionNumber ) - { - Transmit( "enterSubRule\t" + decisionNumber ); - } - - public override void ExitSubRule( int decisionNumber ) - { - Transmit( "exitSubRule\t" + decisionNumber ); - } - - public override void EnterDecision(int decisionNumber, bool couldBacktrack) - { - Transmit( "enterDecision\t" + decisionNumber ); - } - - public override void ExitDecision( int decisionNumber ) - { - Transmit( "exitDecision\t" + decisionNumber ); - } - - public override void ConsumeToken( IToken t ) - { - string buf = SerializeToken( t ); - Transmit( "consumeToken\t" + buf ); - } - - public override void ConsumeHiddenToken( IToken t ) - { - string buf = SerializeToken( t ); - Transmit( "consumeHiddenToken\t" + buf ); - } - - public override void LT( int i, IToken t ) - { - if ( t != null ) - Transmit( "LT\t" + i + "\t" + SerializeToken( t ) ); - } - - public override void Mark( int i ) - { - Transmit( "mark\t" + i ); - } - - public override void Rewind( int i ) - { - Transmit( "rewind\t" + i ); - } - - public override void Rewind() - { - Transmit( "rewind" ); - } - - public override void BeginBacktrack( int level ) - { - Transmit( "beginBacktrack\t" + level ); - } - - public override void EndBacktrack( int level, bool successful ) - { - Transmit( "endBacktrack\t" + level + "\t" + ( successful ? DebugEventListenerConstants.True : DebugEventListenerConstants.False ) ); - } - - public override void Location( int line, int pos ) - { - Transmit( "location\t" + line + "\t" + pos ); - } - - public override void RecognitionException( RecognitionException e ) - { - StringBuilder buf = new StringBuilder( 50 ); - buf.Append( "exception\t" ); - buf.Append( e.GetType().Name ); - // dump only the data common to all exceptions for now - buf.Append( "\t" ); - buf.Append( e.Index ); - buf.Append( "\t" ); - buf.Append( e.Line ); - buf.Append( "\t" ); - buf.Append( e.CharPositionInLine ); - Transmit( buf.ToString() ); - } - - public override void BeginResync() - { - Transmit( "beginResync" ); - } - - public override void EndResync() - { - Transmit( "endResync" ); - } - - public override void SemanticPredicate( bool result, string predicate ) - { - StringBuilder buf = new StringBuilder( 50 ); - buf.Append( "semanticPredicate\t" ); - buf.Append( result ); - SerializeText( buf, predicate ); - Transmit( buf.ToString() ); - } - - #region AST Parsing Events - - public override void ConsumeNode( object t ) - { - StringBuilder buf = new StringBuilder( 50 ); - buf.Append( "consumeNode" ); - SerializeNode( buf, t ); - Transmit( buf.ToString() ); - } - - public override void LT( int i, object t ) - { - int ID = adaptor.GetUniqueID( t ); - string text = adaptor.GetText( t ); - int type = adaptor.GetType( t ); - StringBuilder buf = new StringBuilder( 50 ); - buf.Append( "LN\t" ); // lookahead node; distinguish from LT in protocol - buf.Append( i ); - SerializeNode( buf, t ); - Transmit( buf.ToString() ); - } - - protected virtual void SerializeNode( StringBuilder buf, object t ) - { - int ID = adaptor.GetUniqueID( t ); - string text = adaptor.GetText( t ); - int type = adaptor.GetType( t ); - buf.Append( "\t" ); - buf.Append( ID ); - buf.Append( "\t" ); - buf.Append( type ); - IToken token = adaptor.GetToken( t ); - int line = -1; - int pos = -1; - if ( token != null ) - { - line = token.Line; - pos = token.CharPositionInLine; - } - buf.Append( "\t" ); - buf.Append( line ); - buf.Append( "\t" ); - buf.Append( pos ); - int tokenIndex = adaptor.GetTokenStartIndex( t ); - buf.Append( "\t" ); - buf.Append( tokenIndex ); - SerializeText( buf, text ); - } - - #endregion - - - #region AST Events - - public override void NilNode( object t ) - { - int ID = adaptor.GetUniqueID( t ); - Transmit( "nilNode\t" + ID ); - } - - public override void ErrorNode( object t ) - { - int ID = adaptor.GetUniqueID( t ); - string text = t.ToString(); - StringBuilder buf = new StringBuilder( 50 ); - buf.Append( "errorNode\t" ); - buf.Append( ID ); - buf.Append( "\t" ); - buf.Append( TokenTypes.Invalid ); - SerializeText( buf, text ); - Transmit( buf.ToString() ); - } - - public override void CreateNode( object t ) - { - int ID = adaptor.GetUniqueID( t ); - string text = adaptor.GetText( t ); - int type = adaptor.GetType( t ); - StringBuilder buf = new StringBuilder( 50 ); - buf.Append( "createNodeFromTokenElements\t" ); - buf.Append( ID ); - buf.Append( "\t" ); - buf.Append( type ); - SerializeText( buf, text ); - Transmit( buf.ToString() ); - } - - public override void CreateNode( object node, IToken token ) - { - int ID = adaptor.GetUniqueID( node ); - int tokenIndex = token.TokenIndex; - Transmit( "createNode\t" + ID + "\t" + tokenIndex ); - } - - public override void BecomeRoot( object newRoot, object oldRoot ) - { - int newRootID = adaptor.GetUniqueID( newRoot ); - int oldRootID = adaptor.GetUniqueID( oldRoot ); - Transmit( "becomeRoot\t" + newRootID + "\t" + oldRootID ); - } - - public override void AddChild( object root, object child ) - { - int rootID = adaptor.GetUniqueID( root ); - int childID = adaptor.GetUniqueID( child ); - Transmit( "addChild\t" + rootID + "\t" + childID ); - } - - public override void SetTokenBoundaries( object t, int tokenStartIndex, int tokenStopIndex ) - { - int ID = adaptor.GetUniqueID( t ); - Transmit( "setTokenBoundaries\t" + ID + "\t" + tokenStartIndex + "\t" + tokenStopIndex ); - } - - #endregion - - - #region Support - - protected virtual string SerializeToken( IToken t ) - { - StringBuilder buf = new StringBuilder( 50 ); - buf.Append( t.TokenIndex ); - buf.Append( '\t' ); - buf.Append( t.Type ); - buf.Append( '\t' ); - buf.Append( t.Channel ); - buf.Append( '\t' ); - buf.Append( t.Line ); - buf.Append( '\t' ); - buf.Append( t.CharPositionInLine ); - SerializeText( buf, t.Text ); - return buf.ToString(); - } - - protected virtual void SerializeText( StringBuilder buf, string text ) - { - buf.Append( "\t\"" ); - if ( text == null ) - { - text = ""; - } - // escape \n and \r all text for token appears to exist on one line - // this escape is slow but easy to understand - text = EscapeNewlines( text ); - buf.Append( text ); - } - - protected virtual string EscapeNewlines( string txt ) - { - txt = txt.Replace( "%", "%25" ); // escape all escape char ;) - txt = txt.Replace( "\n", "%0A" ); // escape \n - txt = txt.Replace( "\r", "%0D" ); // escape \r - return txt; - } - - #endregion - } -} |