public SourceObject IndentifyOperators(string token, SourceObject srcObj)
{
if (string.IsNullOrWhiteSpace(token))
{
throw new InvalidOperationException("Could not identify symbol!\nSee inner exception.",
new ArgumentException("Parameter cannot be null, Empty or Whitespace!", nameof(token)));
}
int p = 0;
int len = token.Length;
do
{
if (m_symbolTable.TryFind(token.Substring(p, len), out TRecord record))
{
srcObj.LinkNext(CreateSourceObject(record));
srcObj = srcObj.Sequence;
p += len;
len = token.Length - p;
}
else
{
len--;
}
} while (len > 0);
if (p < token.Length) // this indicates that a (portion) of the token was not identified
{
srcObj.LinkNext(new ErrorObj($"@:{token.Substring(p, token.Length-p)}")); // HACK: create an error/warn/info system with sensible codes
srcObj = srcObj.Sequence;
}
return(srcObj);
}
private SourceObject ProcessToken(string type, string token, SourceObject sequence, ref Regex curRE)
{
TRecord record;
switch (type)
{
case "identifier":
record = m_symbolTable.FindOrAdd(token, m_typeList[3]);
sequence.LinkNext(CreateSourceObject(record));
sequence = sequence.Sequence;
break;
case "ws":
// ignored for now
break;
case "symbol":
sequence = IndentifyOperators(token, sequence);
break;
case "comment":
break;
case "string":
break;
case "blank":
break;
case "preprocessor":
break;
}
return(sequence);
}