public static Token LogError(string fileName, Token token, string message, int lineNo)
{
int col = 0;
if (token != null)
{
col = token.Col;
}
else
{
if (LastToken != null)
{
if (LastToken.Next != null)
{
col = LastToken.Col;
}
else
{
col = LastToken.Col;
}
}
}
if (lineNo >= 0)
{
ErrorTable.Add(fileName, currentLine, token, message);
}
// OnErrorLogged(SourceDocument, new LogErrorEventArgs(token, message, col, lineNo));
if (token != null)
{
return(token.Next);
}
return(token);
}
public static Symbol Add(string fileName, int line, Token token, string name, int value)
{
if (Labels.Exists(x => x.FileName == fileName && x.Name == name))
{
Symbol s1 = new Symbol(fileName, name, token, value, -1);
s1.UsedAtLines.Add(new UsedAt(fileName, token.Line, token));
Labels.Add(s1);
ErrorTable.Add(fileName, line, token, "Duplicate Label");
return(null);
}
Symbol label = new Symbol(fileName, name, token, value, line);
Labels.Add(label);
return(label);
}