private string consumeText(EngageToken tokenType)
{
string ret = _lookAhead.text;
match(tokenType);
return(ret);
}
private void match(EngageToken tokenType)
{
if (!eof() && _lookAhead.id == (int)tokenType)
{
++_pos;
if (!eof())
{
_lookAhead = _tokens[_pos];
}
}
else
{
string tokType = tokenName(_lookAhead.id);
throw new Exception($"Expected: {tokenName((int) tokenType)}, got {tokType} @line {_lookAhead.line}");
}
}
// Check the token *after* the current lookAhead private bool LookAhead2(EngageToken t) => _pos + 1 < _tokens.Count && _tokens[_pos + 1].id == (int)t;
private bool LookAhead(EngageToken t1, EngageToken t2) => _pos + 1 < _tokens.Count && _lookAhead.id == (int)t1 && _tokens[_pos + 1].id == (int)t2;
private bool LookAhead(EngageToken tokenType) => !eof() && _lookAhead.id == (int)tokenType;
