/** Called when a line is complete. */
  @CanIgnoreReturnValue
  private boolean finishLine(boolean sawNewline) throws IOException {
    String separator = sawReturn ? (sawNewline ? "\r\n" : "\r") : (sawNewline ? "\n" : "");
    handleLine(line.toString(), separator);
    line = new StringBuilder();
    sawReturn = false;
    return sawNewline;
  }

  /**

  /** Called when a line is complete. */
  @CanIgnoreReturnValue
  private boolean finishLine(boolean sawNewline) throws IOException {
    String separator = sawReturn ? (sawNewline ? "\r\n" : "\r") : (sawNewline ? "\n" : "");
    handleLine(line.toString(), separator);
    line = new StringBuilder();
    sawReturn = false;
    return sawNewline;
  }

  /**

	// eliminate semis and redundant whitespace
	sawNewline := next == _EOF
	sawParen := next == _Rparen || next == _Rbrace
	for i := len(p.pending) - 1; i >= 0; i-- {
		switch p.pending[i].kind {
		case semi:
			k := semi
			if sawParen {
				sawParen = false
				k = none // eliminate semi
			} else if sawNewline && impliesSemi(p.pending[i].last) {
				sawNewline = false
				k = none // eliminate semi
			}