private boolean prefixexp1Starters()
{
    if((currentToken.kind == Token.COLON) || (currentToken.kind == Token.COMMA) || (currentToken.kind == Token.LPAREN) || (currentToken.kind  == Token.LCURLY) || (currentToken.kind == Token.NORMALSTRING) || (currentToken.kind == Token.CHARSTRING) || (currentToken.kind == Token.LONGSTRING) || (currentToken.kind == Token.LBRACKET) || (currentToken.kind == Token.DOT))
        return true;
    else
        return false;
}