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 

    12 /**

    13  * Represents a debug node.

    14  *

    15  * @package    twig

    16  * @subpackage Twig-extensions

    17  * @author     Fabien Potencier <fabien.potencier@symfony-project.com>

    18  * @version    SVN: $Id$

    19  */

    20 class Twig_Extensions_Node_Debug extends Twig_Node

    21 {

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

    23     {

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

    25     }

    26 

    27     /**

    28      * Compiles the node to PHP.

    29      *

    30      * @param Twig_Compiler A Twig_Compiler instance

    31      */

    32     public function compile(Twig_Compiler $compiler)

    33     {

    34         $compiler->addDebugInfo($this);

    35 

    36         $compiler

    37             ->write("if (\$this->env->isDebug()) {\n")

    38             ->indent()

    39         ;

    40 

    41         if (null === $this->getNode('expr')) {

    42             // remove embedded templates (macros) from the context

    43             $compiler

    44                 ->write("\$vars = array();\n")

    45                 ->write("foreach (\$context as \$key => \$value) {\n")

    46                 ->indent()

    47                 ->write("if (!\$value instanceof Twig_Template) {\n")

    48                 ->indent()

    49                 ->write("\$vars[\$key] = \$value;\n")

    50                 ->outdent()

    51                 ->write("}\n")

    52                 ->outdent()

    53                 ->write("}\n")

    54                 ->write("var_dump(\$vars);\n")

    55             ;

    56         } else {

    57             $compiler

    58                 ->write("var_dump(")

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

    60                 ->raw(");\n")

    61             ;

    62         }

    63 

    64         $compiler

    65             ->outdent()

    66             ->write("}\n")

    67         ;

    68     }

    69 }