<?php

/**

 * Smarty Internal Plugin Templateparser Parsetrees

 * These are classes to build parsetrees in the template parser

 *

 * @package    Smarty

 * @subpackage Compiler

 * @author     Thue Kristensen

 * @author     Uwe Tews

 */

/**

 * @package    Smarty

 * @subpackage Compiler

 * @ignore

 */

abstract class Smarty_Internal_ParseTree {

    /**

     * Parser object

     *

     * @var object

     */

    public $parser;

    /**

     * Buffer content

     *

     * @var mixed

     */

    public $data;

    /**

     * Subtree array

     *

     * @var array

     */

    public $subtrees = array();

    /**

     * Return buffer

     *

     * @return string buffer content

     */

    abstract public function to_smarty_php();

}