Pattern.java

/*
 * Vitry, copyright (C) Hans Hoglund 2011
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * See COPYING.txt for details.
 */
package vitry.runtime;

/**
 * Represents basic matching logic.
 *
 * @author Hans Hoglund
 */
public interface Pattern
{
    boolean eq(Object o);
    boolean eq(Atom o);
    boolean eq(Tagged o);
    boolean eq(Product o);
    boolean eq(Function p);
    boolean eq(List p);
    boolean eq(Set o);
    boolean eq(Union o);
    boolean eq(Intersection o);
    boolean eq(Type o);
    
    boolean match(Object o);
    boolean match(Atom o);
    boolean match(Tagged o);
    boolean match(Product p);
    boolean match(Function p);
    boolean match(List p);
    boolean match(Set p);
    boolean match(Union p);
    boolean match(Intersection p);
    boolean match(Type p);


    // Main dispatchers

    boolean eqFor(Pattern o);
    boolean matchFor(Pattern p);
}