public TokenStreamVisualizerForm(ITokenStream tokenStream)
{
if (tokenStream == null)
{
throw new ArgumentNullException("tokenStream");
}
InitializeComponent();
List <IToken> tokens = new List <IToken>();
int marker = tokenStream.Mark();
int currentPosition = tokenStream.Index;
try
{
tokenStream.Seek(0);
while (tokenStream.LA(1) != CharStreamConstants.EndOfFile)
{
tokenStream.Consume();
}
for (int i = 0; i < tokenStream.Count; i++)
{
tokens.Add(tokenStream.Get(i));
}
}
finally
{
tokenStream.Rewind(marker);
}
this._tokenStream = tokenStream;
this._tokens = tokens.ToArray();
if (tokenStream.TokenSource != null)
{
this._tokenNames = tokenStream.TokenSource.TokenNames;
}
this._tokenNames = this._tokenNames ?? new string[0];
UpdateTokenTypes();
UpdateHighlighting();
listBox1.BackColor = Color.Wheat;
}
protected bool EvaluatePredicate(System.Action predicate)
{
state.backtracking++;
int start = input.Mark();
try
{
predicate();
}
catch (RecognitionException re)
{
System.Console.Error.WriteLine("impossible: " + re);
}
bool success = !state.failed;
input.Rewind(start);
state.backtracking--;
state.failed = false;
return(success);
}
public TokenStreamVisualizerForm( ITokenStream tokenStream )
{
if (tokenStream == null)
throw new ArgumentNullException("tokenStream");
InitializeComponent();
List<IToken> tokens = new List<IToken>();
int marker = tokenStream.Mark();
int currentPosition = tokenStream.Index;
try
{
tokenStream.Seek(0);
while (tokenStream.LA(1) != CharStreamConstants.EndOfFile)
tokenStream.Consume();
for (int i = 0; i < tokenStream.Count; i++)
tokens.Add(tokenStream.Get(i));
}
finally
{
tokenStream.Rewind(marker);
}
this._tokenStream = tokenStream;
this._tokens = tokens.ToArray();
if (tokenStream.TokenSource != null)
this._tokenNames = tokenStream.TokenSource.TokenNames;
this._tokenNames = this._tokenNames ?? new string[0];
UpdateTokenTypes();
UpdateHighlighting();
listBox1.BackColor = Color.Wheat;
}
public virtual void Rewind(int marker)
{
dbg.Rewind(marker);
input.Rewind(marker);
}
