<?php

/*

 * This file is part of Twig.

 *

 * (c) 2009 Fabien Potencier

 *

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

 * file that was distributed with this source code.

 */

/**

 * Represents an import node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_Import extends Twig_Node

{

    public function __construct(Twig_Node_Expression $expr, Twig_Node_Expression $var, $lineno, $tag = null)

    {

        parent::__construct(array('expr' => $expr, 'var' => $var), array(), $lineno, $tag);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $compiler

            ->addDebugInfo($this)

            ->write('')

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

            ->raw(' = ')

        ;

        if ($this->getNode('expr') instanceof Twig_Node_Expression_Name && '_self' === $this->getNode('expr')->getAttribute('name')) {

            $compiler->raw("\$this");

        } else {

            $compiler

                ->raw('$this->env->loadTemplate(')

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

                ->raw(")")

            ;

        }

        $compiler->raw(";\n");

    }

}