} /* end GetIdentOrResword */
/* ---------------------------------------------------------------------------
* private method GetStringLiteral()
* ------------------------------------------------------------------------ */
private char GetStringLiteral(out Token token)
{
uint line, column;
Token intermediate;
char nextChar, delimiter;
intermediate = Token.StringLiteral;
/* consume opening delimiter */
delimiter = infile.ReadChar();
infile.MarkLexeme();
nextChar = infile.NextChar();
while (nextChar != delimiter)
{
/* check for control character */
if (ASCII.IsCtrl(nextChar))
{
line = infile.CurrentLine();
column = infile.CurrentColumn();
intermediate = Token.MalformedString;
/* newline */
if (nextChar == ASCII.LF)
{
// report error with offending position
// newline in string literal
break;
}
/* end-of-file marker */
else if (infile.EOF())
{
// report error with offending position
// premature end of file within string literal
break;
}
else /* any other control character */
{
/* invalid input character */
// report error with offending character
} /* end if */
} /* end if */
if (Capabilities.EscapeTabAndNewline() &&
(nextChar == ASCII.BACKSLASH))
{
line = infile.CurrentLine();
column = infile.CurrentColumn();
nextChar = infile.ConsumeChar();
if ((nextChar != 'n') && (nextChar != 't') &&
(nextChar != ASCII.BACKSLASH))
{
/* invalid escape sequence */
// report error with offending character
} /* end if */
} /* end if */
nextChar = infile.ConsumeChar();
} /* end while */
/* get lexeme */
lookaheadSym.lexeme = infile.ReadMarkedLexeme();
/* consume closing delimiter */
if (nextChar == delimiter)
{
nextChar = infile.ConsumeChar();
} /* end if */
/* pass back token */
token = intermediate;
return(nextChar);
} /* end GetStringLiteral */