} /* end GetPragma */
/* ---------------------------------------------------------------------------
* private method GetIdent()
* ------------------------------------------------------------------------ */
private char GetIdent()
{
char nextChar;
infile.MarkLexeme();
nextChar = infile.NextChar();
if (CompilerOptions.LowlineIdentifiers())
{
/* get alpha-numeric or foreign identifier */
while (ASCII.IsAlnum(nextChar))
{
nextChar = infile.ConsumeChar();
/* check for lowline in between two alpha-numeric characters */
if ((nextChar == '_') && (ASCII.IsAlnum(infile.LA2Char())))
{
nextChar = infile.ConsumeChar();
} /* end if */
} /* end while */
}
else /* no lowline identifiers */
{
/* get alpha-numeric identifier */
while (ASCII.IsAlnum(nextChar))
{
nextChar = infile.ConsumeChar();
} /* end while */
} /* end if */
/* get lexeme */
lookaheadSym.lexeme = infile.ReadMarkedLexeme();
return(nextChar);
} /* end GetIdent */
} /* end GetIdent */
/* ---------------------------------------------------------------------------
* private method GetIdentOrResword()
* ------------------------------------------------------------------------ */
private char GetIdentOrResword(out Token token)
{
char nextChar;
Token intermediate;
bool possiblyResword = true;
infile.MarkLexeme();
nextChar = infile.NextChar();
if (CompilerOptions.LowlineIdentifiers())
{
/* get alpha-numeric or foreign identifier */
while (ASCII.IsAlnum(nextChar))
{
/* check for uppercase */
if (ASCII.IsUpper(nextChar) == false)
{
possiblyResword = false;
} /* end if */
nextChar = infile.ConsumeChar();
/* check for lowline in between two alpha-numeric characters */
if ((nextChar == '_') && (ASCII.IsAlnum(infile.LA2Char())))
{
nextChar = infile.ConsumeChar();
possiblyResword = false;
} /* end if */
} /* end while */
}
else /* no lowline identifiers */
{
/* get alpha-numeric identifier */
while (ASCII.IsAlnum(nextChar))
{
/* check for uppercase */
if (ASCII.IsUpper(nextChar) == false)
{
possiblyResword = false;
} /* end if */
nextChar = infile.ConsumeChar();
} /* end while */
} /* end if */
lookaheadSym.lexeme = infile.ReadMarkedLexeme();
/* check for reserved word */
if (possiblyResword)
{
intermediate = Terminals.TokenForResword(lookaheadSym.lexeme);
if (intermediate == Token.Unknown)
{
token = Token.Identifier;
}
else
{
token = intermediate;
} /* end if */
}
else
{
token = Token.Identifier;
} /* end if */
return(nextChar);
} /* end GetIdentOrResword */
