1 <?php

     2 

     3 /*

     4  * This file is part of Twig.

     5  *

     6  * (c) 2010 Fabien Potencier

     7  *

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

     9  * file that was distributed with this source code.

    10  */

    11 class Twig_Node_Expression_Function extends Twig_Node_Expression

    12 {

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

    14     {

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

    16     }

    17 

    18     public function compile(Twig_Compiler $compiler)

    19     {

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

    21         if (false === $function) {

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

    23         }

    24 

    25         $compiler

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

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

    28         ;

    29 

    30         if ($function->needsContext()) {

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

    32         }

    33 

    34         $first = true;

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

    36             if (!$first) {

    37                 $compiler->raw(', ');

    38             } else {

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

    40                     $compiler->raw(', ');

    41                 }

    42                 $first = false;

    43             }

    44             $compiler->subcompile($node);

    45         }

    46 

    47         $compiler->raw(')');

    48     }

    49 }