public TextRange Parse(TextSnapshotRange snapshotRange, ActiproLex.ILexerTarget parseTarget)
{
//System.Diagnostics.Debug.WriteLine("LexParse " + snapshotRange.ToString());
int index = snapshotRange.StartOffset;
int ix = index;
parseTarget.OnPreParse(ref ix);
if (parseTarget.HasInitialContext)
{
}
else
{
int l = snapshotRange.EndOffset - index;
ITextSnapshotReader reader = snapshotRange.Snapshot.GetReader(index);
if (reader.Offset != index)
{
throw new System.Exception("What??!!?");
}
StringBuilder text = new StringBuilder();
var read = reader.ReadText(l);
text.Append(read);
//System.Diagnostics.Debug.WriteLine($"Parse read {read.Length} chars: {text.ToString()}");
var lexer = new SBLexer(new Antlr.AntlrInputStream(text.ToString()));
var tokens = new Antlr.CommonTokenStream(lexer);
tokens.Fill();
foreach (var token in tokens.GetTokens())
{
if (token.Type >= 0)
{
parseTarget.OnTokenParsed(new SyntaxEditorAntlrToken(token, index, snapshotRange.StartLine.Index), null);
}
}
}
parseTarget.OnPostParse(snapshotRange.EndOffset);
return(snapshotRange.TextRange);
}