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There is a newer version: 1.0.11

package jscl.text;

import jscl.math.Generic;
import jscl.math.function.Function;
import jscl.math.function.Root;
import jscl.text.msg.Messages;

import javax.annotation.Nonnull;

public class RootParser implements Parser {
	public static final Parser parser = new RootParser();

	private RootParser() {
	}

	public Function parse(@Nonnull Parameters p, Generic previousSumElement) throws ParseException {
		int pos0 = p.getPosition().intValue();

		final String name = Identifier.parser.parse(p, previousSumElement);
		if (name.compareTo("root") != 0) {
			ParserUtils.throwParseException(p, pos0, Messages.msg_11, "root");
		}

		final Generic subscript = ParserUtils.parseWithRollback(Subscript.parser, pos0, previousSumElement, p);
		final Generic parameters[] = ParserUtils.parseWithRollback(ParameterListParser.parser1, pos0, previousSumElement, p);

		return new Root(parameters, subscript);
	}
}