public void SetSource(string source, int offset)
{
//if (this.currentOffset != offset || this.currentLine != source)
{
this.currentOffset = offset;
this.currentLine = source;
this.lexer = null;
}
}
public bool ScanTokenAndProvideInfoAboutIt(TokenInfo tokenInfo, ref int state)
{
try
{
if (this.lexer == null)
{
this.lexer = new MetaDslx.Compiler.MetaModelLexer(new AntlrInputStream(this.currentLine + "\r\n"));
}
this.LoadState(state, this.lexer);
IToken token = this.lexer.NextToken();
int tokenType = -1;
foreach (var modeAnnot in this.modeAnnotations)
{
if (this.lexer.CurrentMode >= modeAnnot.First && this.lexer.CurrentMode <= modeAnnot.Last)
{
tokenType = modeAnnot.Kind;
break;
}
}
foreach (var syntaxAnnot in this.syntaxAnnotations)
{
if (token.Type >= syntaxAnnot.First && token.Type <= syntaxAnnot.Last)
{
tokenType = syntaxAnnot.Kind;
break;
}
}
if (tokenType >= 1 && tokenType <= MetaModelLanguageConfig.Instance.ColorableItems.Count)
{
MetaModelLanguageColorableItem colorItem = MetaModelLanguageConfig.Instance.ColorableItems[tokenType - 1];
tokenInfo.Token = token.Type;
tokenInfo.Type = colorItem.TokenType;
tokenInfo.Color = (TokenColor)tokenType;
tokenInfo.Trigger = TokenTriggers.None;
}
else
{
tokenInfo.Token = token.Type;
tokenInfo.Type = TokenType.Text;
tokenInfo.Color = TokenColor.Text;
tokenInfo.Trigger = TokenTriggers.None;
}
if (string.IsNullOrEmpty(token.Text) || this.currentOffset >= this.currentLine.Length)
{
return false;
}
tokenInfo.StartIndex = this.currentOffset;
this.currentOffset += token.Text.Length;
tokenInfo.EndIndex = this.currentOffset - 1;
state = this.SaveState(lexer);
return true;
}
catch (Exception)
{
return false;
}
}