Function.php

1. 9.x drupal/core/vendor/twig/twig/lib/Twig/Function.php
2. 9.x drupal/core/vendor/twig/twig/lib/Twig/Filter/Function.php
3. 9.x drupal/core/vendor/twig/twig/lib/Twig/Function/Function.php
4. 9.x drupal/core/vendor/twig/twig/lib/Twig/Test/Function.php
5. 9.x drupal/core/vendor/twig/twig/lib/Twig/Node/Expression/Function.php

<?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($name, Twig_NodeInterface $arguments, $lineno) {
    parent::__construct(array(
      'arguments' => $arguments,
    ), array(
      'name' => $name,
    ), $lineno);
  }
  public function compile(Twig_Compiler $compiler) {
    $name = $this
      ->getAttribute('name');
    if (false === ($function = $compiler
      ->getEnvironment()
      ->getFunction($name))) {
      $message = sprintf('The function "%s" does not exist', $name);
      if ($alternatives = $compiler
        ->getEnvironment()
        ->computeAlternatives($name, array_keys($compiler
        ->getEnvironment()
        ->getFunctions()))) {
        $message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
      }
      throw new Twig_Error_Syntax($message, $this
        ->getLine());
    }
    $compiler
      ->raw($function
      ->compile() . '(');
    $first = true;
    if ($function
      ->needsEnvironment()) {
      $compiler
        ->raw('$this->env');
      $first = false;
    }
    if ($function
      ->needsContext()) {
      if (!$first) {
        $compiler
          ->raw(', ');
      }
      $compiler
        ->raw('$context');
      $first = false;
    }
    foreach ($function
      ->getArguments() as $argument) {
      if (!$first) {
        $compiler
          ->raw(', ');
      }
      $compiler
        ->string($argument);
      $first = false;
    }
    foreach ($this
      ->getNode('arguments') as $node) {
      if (!$first) {
        $compiler
          ->raw(', ');
      }
      $compiler
        ->subcompile($node);
      $first = false;
    }
    $compiler
      ->raw(')');
  }

}