Method intBinaryOperation

src/bsh/Primitive.java:392–466

(Integer I1, Integer I2, int kind)

    // returns Object covering both Integer and Boolean return types
    static Object intBinaryOperation(Integer I1, Integer I2, int kind)
    {
        int lhs = I1.intValue();
        int rhs = I2.intValue();

        switch(kind)
        {
            // boolean
            case LT:
            case LTX:
                return lhs < rhs ? Boolean.TRUE : Boolean.FALSE;

            case GT:
            case GTX:
                return lhs > rhs ? Boolean.TRUE : Boolean.FALSE;

            case EQ:
                return lhs == rhs ? Boolean.TRUE : Boolean.FALSE;

            case LE:
            case LEX:
                return lhs <= rhs ? Boolean.TRUE : Boolean.FALSE;

            case GE:
            case GEX:
                return lhs >= rhs ? Boolean.TRUE : Boolean.FALSE;

            case NE:
                return lhs != rhs ? Boolean.TRUE : Boolean.FALSE;

            // arithmetic
            case PLUS:
                return new Integer(lhs + rhs);

            case MINUS:
                return new Integer(lhs - rhs);

            case STAR:
                return new Integer(lhs * rhs);

            case SLASH:
                return new Integer(lhs / rhs);

            case MOD:
                return new Integer(lhs % rhs);

            // bitwise
            case LSHIFT:
            case LSHIFTX:
                return new Integer(lhs << rhs);

            case RSIGNEDSHIFT:
            case RSIGNEDSHIFTX:
                return new Integer(lhs >> rhs);

            case RUNSIGNEDSHIFT:
            case RUNSIGNEDSHIFTX:
                return new Integer(lhs >>> rhs);