boxesruntime.java

来自「JAVA 语言的函数式编程扩展」· Java 代码 · 共 846 行 · 第 1/3 页

        }
        if (maxcode <= DOUBLE) {
            double val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).doubleValue();
            double val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).doubleValue();
            return boxToDouble(val1 + val2);
        }
        throw new NoSuchMethodException();
    }

    /** arg1 - arg2 */
    public static Object subtract(Object arg1, Object arg2) throws NoSuchMethodException {
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        int maxcode = (code1 < code2) ? code2 : code1;
        if (maxcode <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
            return boxToInteger(val1 - val2);
        }
        if (maxcode <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
            return boxToLong(val1 - val2);
        }
        if (maxcode <= FLOAT) {
            float val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).floatValue();
            float val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).floatValue();
            return boxToFloat(val1 - val2);
        }
        if (maxcode <= DOUBLE) {
            double val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).doubleValue();
            double val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).doubleValue();
            return boxToDouble(val1 - val2);
        }
        throw new NoSuchMethodException();
    }

    /** arg1 * arg2 */
    public static Object multiply(Object arg1, Object arg2) throws NoSuchMethodException {
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        int maxcode = (code1 < code2) ? code2 : code1;
        if (maxcode <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
            return boxToInteger(val1 * val2);
        }
        if (maxcode <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
            return boxToLong(val1 * val2);
        }
        if (maxcode <= FLOAT) {
            float val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).floatValue();
            float val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).floatValue();
            return boxToFloat(val1 * val2);
        }
        if (maxcode <= DOUBLE) {
            double val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).doubleValue();
            double val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).doubleValue();
            return boxToDouble(val1 * val2);
        }
        throw new NoSuchMethodException();
    }

    /** arg1 / arg2 */
    public static Object divide(Object arg1, Object arg2) throws NoSuchMethodException {
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        int maxcode = (code1 < code2) ? code2 : code1;
        if (maxcode <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
            return boxToInteger(val1 / val2);
        }
        if (maxcode <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
            return boxToLong(val1 / val2);
        }
        if (maxcode <= FLOAT) {
            float val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).floatValue();
            float val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).floatValue();
            return boxToFloat(val1 / val2);
        }
        if (maxcode <= DOUBLE) {
            double val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).doubleValue();
            double val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).doubleValue();
            return boxToDouble(val1 / val2);
        }
        throw new NoSuchMethodException();
    }

    /** arg1 % arg2 */
    public static Object takeModulo(Object arg1, Object arg2) throws NoSuchMethodException {
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        int maxcode = (code1 < code2) ? code2 : code1;
        if (maxcode <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
            return boxToInteger(val1 % val2);
        }
        if (maxcode <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
            return boxToLong(val1 % val2);
        }
        if (maxcode <= FLOAT) {
            float val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).floatValue();
            float val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).floatValue();
            return boxToFloat(val1 % val2);
        }
        if (maxcode <= DOUBLE) {
            double val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).doubleValue();
            double val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).doubleValue();
            return boxToDouble(val1 % val2);
        }
        throw new NoSuchMethodException();
    }

    /** arg1 >> arg2 */
    public static Object shiftSignedRight(Object arg1, Object arg2) throws NoSuchMethodException {
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        if (code1 <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            if (code2 <= INT) {
                int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
                return boxToInteger(val1 >> val2);
            }
            if (code2 <= LONG) {
                long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
                return boxToInteger(val1 >> val2);
            }
        }
        if (code1 <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            if (code2 <= INT) {
                int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
                return boxToLong(val1 >> val2);
            }
            if (code2 <= LONG) {
                long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
                return boxToLong(val1 >> val2);
            }
        }
        throw new NoSuchMethodException();
    }

    /** arg1 << arg2 */
    public static Object shiftSignedLeft(Object arg1, Object arg2) throws NoSuchMethodException {
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        if (code1 <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            if (code2 <= INT) {
                int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
                return boxToInteger(val1 << val2);
            }
            if (code2 <= LONG) {
                long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
                return boxToInteger(val1 << val2);
            }
        }
        if (code1 <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            if (code2 <= INT) {
                int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
                return boxToLong(val1 << val2);
            }
            if (code2 <= LONG) {
                long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
                return boxToLong(val1 << val2);
            }
        }
        throw new NoSuchMethodException();
    }

    /** arg1 >>> arg2 */
    public static Object shiftLogicalRight(Object arg1, Object arg2) throws NoSuchMethodException {
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        if (code1 <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            if (code2 <= INT) {
                int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
                return boxToInteger(val1 >>> val2);
            }
            if (code2 <= LONG) {
                long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
                return boxToInteger(val1 >>> val2);
            }
        }
        if (code1 <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            if (code2 <= INT) {
                int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
                return boxToLong(val1 >>> val2);
            }
            if (code2 <= LONG) {
                long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
                return boxToLong(val1 >>> val2);
            }
        }
        throw new NoSuchMethodException();
    }
        
    /** -arg */
    public static Object negate(Object arg) throws NoSuchMethodException {
        int code = typeCode(arg);
        if (code <= INT) {
            int val = (code == CHAR) ? ((Character) arg).charValue() : ((Number) arg).intValue();
            return boxToInteger(-val);
        }
        if (code <= LONG) {
            long val = (code == CHAR) ? ((Character) arg).charValue() : ((Number) arg).longValue();
            return boxToLong(-val);
        }
        if (code <= FLOAT) {
            float val = (code == CHAR) ? ((Character) arg).charValue() : ((Number) arg).floatValue();
            return boxToFloat(-val);
        }
        if (code <= DOUBLE) {
            double val = (code == CHAR) ? ((Character) arg).charValue() : ((Number) arg).doubleValue();
            return boxToDouble(-val);
        }
        throw new NoSuchMethodException();
    }
        
    /** +arg */
    public static Object positive(Object arg) throws NoSuchMethodException {
        int code = typeCode(arg);
        if (code <= INT) {
            int val = (code == CHAR) ? ((Character) arg).charValue() : ((Number) arg).intValue();
            return boxToInteger(+val);
        }
        if (code <= LONG) {
            long val = (code == CHAR) ? ((Character) arg).charValue() : ((Number) arg).longValue();
            return boxToLong(+val);
        }
        if (code <= FLOAT) {
            float val = (code == CHAR) ? ((Character) arg).charValue() : ((Number) arg).floatValue();
            return boxToFloat(+val);
        }
        if (code <= DOUBLE) {
            double val = (code == CHAR) ? ((Character) arg).charValue() : ((Number) arg).doubleValue();
            return boxToDouble(+val);
        }
        throw new NoSuchMethodException();
    }

    /** arg1 & arg2 */
    public static Object takeAnd(Object arg1, Object arg2) throws NoSuchMethodException {
        if ((arg1 instanceof Boolean) || (arg2 instanceof Boolean)) {
            if (!((arg1 instanceof Boolean) && (arg2 instanceof Boolean))) {
                throw new NoSuchMethodException();
            }
            return boxToBoolean(((Boolean) arg1).booleanValue() & ((Boolean) arg2).booleanValue());
        }
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        int maxcode = (code1 < code2) ? code2 : code1;
        if (maxcode <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
            return boxToInteger(val1 & val2);
        }
        if (maxcode <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
            return boxToLong(val1 & val2);
        }
        throw new NoSuchMethodException();
    }

    /** arg1 | arg2 */
    public static Object takeOr(Object arg1, Object arg2) throws NoSuchMethodException {
        if ((arg1 instanceof Boolean) || (arg2 instanceof Boolean)) {
            if (!((arg1 instanceof Boolean) && (arg2 instanceof Boolean))) {
                throw new NoSuchMethodException();
            }