/// <summary>
/// Finds symbol of token iTok everywhere.
/// Error if not found or not a keyword or the token is not an identifier.
/// </summary>
/// <param name="kwType">If not _KeywordT.Any, error if the keyword is not of this type.</param>
_Keyword _FindKeyword(int iTok, _KeywordT kwType = _KeywordT.Any)
{
_Symbol x = _FindSymbol(iTok, true);
var k = x as _Keyword;
if (k == null)
{
_Err(iTok, "unexpected");
}
if (kwType != _KeywordT.Any && k.kwType != kwType)
{
_Err(iTok, "unexpected");
}
return(k);
}
public _Keyword(_KeywordT kwType = _KeywordT.Normal, bool cannotStartStatement = false)
{
this.kwType = kwType;
this.cannotStartStatement = cannotStartStatement;
}