/*
* [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;
/** <summary>
* Broadcast debug events to multiple listeners. Lets you debug and still
* use the event mechanism to build parse trees etc... Not thread-safe.
* Don't add events in one thread while parser fires events in another.
* </summary>
*
* <seealso cref="DebugEventRepeater"/>
*/
public class DebugEventHub : IDebugEventListener
{
List<IDebugEventListener> _listeners = new List<IDebugEventListener>();
public DebugEventHub( params IDebugEventListener[] listeners )
{
_listeners = new List<IDebugEventListener>( listeners );
}
public virtual void Initialize()
{
}
/** <summary>
* Add another listener to broadcast events too. Not thread-safe.
* Don't add events in one thread while parser fires events in another.
* </summary>
*/
public virtual void AddListener( IDebugEventListener listener )
{
_listeners.Add( listener );
}
/* To avoid a mess like this:
public void enterRule(final String ruleName) {
broadcast(new Code(){
public void exec(DebugEventListener listener) {listener.enterRule(ruleName);}}
);
}
I am dup'ing the for-loop in each. Where are Java closures!? blech!
*/
public virtual void EnterRule( string grammarFileName, string ruleName )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.EnterRule( grammarFileName, ruleName );
}
}
public virtual void ExitRule( string grammarFileName, string ruleName )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.ExitRule( grammarFileName, ruleName );
}
}
public virtual void EnterAlt( int alt )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.EnterAlt( alt );
}
}
public virtual void EnterSubRule( int decisionNumber )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.EnterSubRule( decisionNumber );
}
}
public virtual void ExitSubRule( int decisionNumber )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.ExitSubRule( decisionNumber );
}
}
public virtual void EnterDecision(int decisionNumber, bool couldBacktrack)
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.EnterDecision( decisionNumber, couldBacktrack );
}
}
public virtual void ExitDecision( int decisionNumber )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.ExitDecision( decisionNumber );
}
}
public virtual void Location( int line, int pos )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.Location( line, pos );
}
}
public virtual void ConsumeToken( IToken token )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.ConsumeToken( token );
}
}
public virtual void ConsumeHiddenToken( IToken token )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.ConsumeHiddenToken( token );
}
}
public virtual void LT( int index, IToken t )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.LT( index, t );
}
}
public virtual void Mark( int index )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.Mark( index );
}
}
public virtual void Rewind( int index )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.Rewind( index );
}
}
public virtual void Rewind()
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.Rewind();
}
}
public virtual void BeginBacktrack( int level )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.BeginBacktrack( level );
}
}
public virtual void EndBacktrack( int level, bool successful )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.EndBacktrack( level, successful );
}
}
public virtual void RecognitionException( RecognitionException e )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.RecognitionException( e );
}
}
public virtual void BeginResync()
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.BeginResync();
}
}
public virtual void EndResync()
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.EndResync();
}
}
public virtual void SemanticPredicate( bool result, string predicate )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.SemanticPredicate( result, predicate );
}
}
public virtual void Commence()
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.Commence();
}
}
public virtual void Terminate()
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.Terminate();
}
}
#region Tree parsing stuff
public virtual void ConsumeNode( object t )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.ConsumeNode( t );
}
}
public virtual void LT( int index, object t )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.LT( index, t );
}
}
#endregion
#region AST Stuff
public virtual void NilNode( object t )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.NilNode( t );
}
}
public virtual void ErrorNode( object t )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.ErrorNode( t );
}
}
public virtual void CreateNode( object t )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.CreateNode( t );
}
}
public virtual void CreateNode( object node, IToken token )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.CreateNode( node, token );
}
}
public virtual void BecomeRoot( object newRoot, object oldRoot )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.BecomeRoot( newRoot, oldRoot );
}
}
public virtual void AddChild( object root, object child )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.AddChild( root, child );
}
}
public virtual void SetTokenBoundaries( object t, int tokenStartIndex, int tokenStopIndex )
{
for ( int i = 0; i < _listeners.Count; i++ )
{
IDebugEventListener listener = _listeners[i];
listener.SetTokenBoundaries( t, tokenStartIndex, tokenStopIndex );
}
}
#endregion
}
}