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Diffstat (limited to 'runtime/CSharp3/Sources/Antlr3.Runtime.Debug/DebugTokenStream.cs')
| -rw-r--r-- | runtime/CSharp3/Sources/Antlr3.Runtime.Debug/DebugTokenStream.cs | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/DebugTokenStream.cs b/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/DebugTokenStream.cs deleted file mode 100644 index ef61376..0000000 --- a/runtime/CSharp3/Sources/Antlr3.Runtime.Debug/DebugTokenStream.cs +++ /dev/null @@ -1,212 +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 -{ - - public class DebugTokenStream : ITokenStream - { - protected IDebugEventListener dbg; - public ITokenStream input; - protected bool initialStreamState = true; - - /** <summary>Track the last mark() call result value for use in rewind().</summary> */ - protected int lastMarker; - - public DebugTokenStream( ITokenStream input, IDebugEventListener dbg ) - { - this.input = input; - DebugListener = dbg; - // force TokenStream to get at least first valid token - // so we know if there are any hidden tokens first in the stream - input.LT( 1 ); - } - - #region Properties - - public virtual int Index - { - get - { - return input.Index; - } - } - - public virtual int Range - { - get - { - return input.Range; - } - } - - public virtual IDebugEventListener DebugListener - { - get - { - return dbg; - } - set - { - dbg = value; - } - } - - #endregion - - public virtual void Consume() - { - if ( initialStreamState ) - { - ConsumeInitialHiddenTokens(); - } - int a = input.Index; - IToken t = input.LT( 1 ); - input.Consume(); - int b = input.Index; - dbg.ConsumeToken( t ); - if ( b > a + 1 ) - { - // then we consumed more than one token; must be off channel tokens - for ( int i = a + 1; i < b; i++ ) - { - dbg.ConsumeHiddenToken( input.Get( i ) ); - } - } - } - - /** <summary>Consume all initial off-channel tokens</summary> */ - protected virtual void ConsumeInitialHiddenTokens() - { - int firstOnChannelTokenIndex = input.Index; - for ( int i = 0; i < firstOnChannelTokenIndex; i++ ) - { - dbg.ConsumeHiddenToken( input.Get( i ) ); - } - initialStreamState = false; - } - - public virtual IToken LT( int i ) - { - if ( initialStreamState ) - { - ConsumeInitialHiddenTokens(); - } - dbg.LT( i, input.LT( i ) ); - return input.LT( i ); - } - - public virtual int LA( int i ) - { - if ( initialStreamState ) - { - ConsumeInitialHiddenTokens(); - } - dbg.LT( i, input.LT( i ) ); - return input.LA( i ); - } - - public virtual IToken Get( int i ) - { - return input.Get( i ); - } - - public virtual int Mark() - { - lastMarker = input.Mark(); - dbg.Mark( lastMarker ); - return lastMarker; - } - - public virtual void Rewind( int marker ) - { - dbg.Rewind( marker ); - input.Rewind( marker ); - } - - public virtual void Rewind() - { - dbg.Rewind(); - input.Rewind( lastMarker ); - } - - public virtual void Release( int marker ) - { - } - - public virtual void Seek( int index ) - { - // TODO: implement seek in dbg interface - // db.seek(index); - input.Seek( index ); - } - - public virtual int Count - { - get - { - return input.Count; - } - } - - public virtual ITokenSource TokenSource - { - get - { - return input.TokenSource; - } - } - - public virtual string SourceName - { - get - { - return TokenSource.SourceName; - } - } - - public override string ToString() - { - return input.ToString(); - } - - public virtual string ToString( int start, int stop ) - { - return input.ToString( start, stop ); - } - - public virtual string ToString( IToken start, IToken stop ) - { - return input.ToString( start, stop ); - } - } -} |