BinOp.java

/** 
 * Copyright (c) 2009-2011, The HATS Consortium. All rights reserved. 
 * This file is licensed under the terms of the Modified BSD License.
 */
package abs.backend.java.lib.expr;

import abs.backend.java.lib.types.ABSBool;
import abs.backend.java.lib.types.ABSValue;

public class BinOp {
    public static ABSBool eq(ABSValue v, ABSValue v2) {
        if (v == null)
            return ABSBool.fromBoolean(v2 == null);
        return v.eq(v2);
    }

    public static ABSBool notEq(ABSValue v, ABSValue v2) {
        return eq(v, v2).negate();
    }


    public static ABSBool gtEq(ABSValue v, ABSValue v2) {
        if (v == null)
            return ABSBool.fromBoolean(v2 == null);
        return v.gtEq(v2);
    }

    public static ABSBool gt(ABSValue v, ABSValue v2) {
        if (v == null) return ABSBool.FALSE;
        return v.gt(v2);
    }

    public static ABSBool ltEq(ABSValue v, ABSValue v2) {
        if (v == null) return ABSBool.TRUE;
        return v.ltEq(v2);
    }

    public static ABSBool lt(ABSValue v, ABSValue v2) {
        if (v == null) return ABSBool.fromBoolean(v2 != null);
        return v.lt(v2);
    }

}