<?php

/*

 * This file is part of Twig.

 *

 * (c) 2010 Fabien Potencier

 *

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

 * file that was distributed with this source code.

 */

class Twig_Node_Expression_Function extends Twig_Node_Expression

{

    public function __construct(Twig_Node_Expression_Name $name, Twig_NodeInterface $arguments, $lineno)

    {

        parent::__construct(array('name' => $name, 'arguments' => $arguments), array(), $lineno);

    }

    public function compile(Twig_Compiler $compiler)

    {

        $function = $compiler->getEnvironment()->getFunction($this->getNode('name')->getAttribute('name'));

        if (false === $function) {

            throw new Twig_Error_Syntax(sprintf('The function "%s" does not exist', $this->getNode('name')->getAttribute('name')), $this->getLine());

        }

        $compiler

            ->raw($function->compile().'(')

            ->raw($function->needsEnvironment() ? '$this->env' : '')

        ;

        if ($function->needsContext()) {

            $compiler->raw($function->needsEnvironment() ? ', $context' : '$context');

        }

        $first = true;

        foreach ($this->getNode('arguments') as $node) {

            if (!$first) {

                $compiler->raw(', ');

            } else {

                if ($function->needsEnvironment() || $function->needsContext()) {

                    $compiler->raw(', ');

                }

                $first = false;

            }

            $compiler->subcompile($node);

        }

        $compiler->raw(')');

    }

}