<?php

/*

 * This file is part of Twig.

 *

 * (c) 2009 Fabien Potencier

 * (c) 2009 Armin Ronacher

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

abstract class Twig_Node_Expression_Binary extends Twig_Node_Expression

{

    public function __construct(Twig_NodeInterface $left, Twig_NodeInterface $right, $lineno)

    {

        parent::__construct(array('left' => $left, 'right' => $right), array(), $lineno);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $compiler

            ->raw('(')

            ->subcompile($this->getNode('left'))

            ->raw(' ')

        ;

        $this->operator($compiler);

        $compiler

            ->raw(' ')

            ->subcompile($this->getNode('right'))

            ->raw(')')

        ;

    }

    abstract public function operator(Twig_Compiler $compiler);

}