Elep

<?php
/**
 * bytekit-cli
 *
 * Copyright (c) 2009-2012, Sebastian Bergmann <sb@sebastian-bergmann.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package   Bytekit
 * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright 2009-2012 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @since     File available since Release 1.0.0
 */

/**
 * Base class for scanner rules.
 *
 * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright 2009-2012 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @version   Release: 1.1.3
 * @link      http://github.com/sebastianbergmann/bytekit-cli/tree
 * @since     Class available since Release 1.0.0
 */
abstract class Bytekit_Scanner_Rule
{
    /**
     * Process an oparray.
     *
     * @param array  $oparray
     * @param string $file
     * @param string $function
     * @param array  $result
     */
    abstract public function process(array $oparray, $file, $function, array &$result);

/**
     * Reports a violation.
     *
     * @param string  $message
     * @param array   $oparray
     * @param string  $file
     * @param integer $line
     * @param string  $function
     * @param array   $result
     */
    protected function addViolation($message, array $oparray, $file, $line, $function, array &$result)
    {
        if (!isset($result[$file])) {
            $result[$file] = array();
        }

$result[$file][] = array(
          'file'     => $file,
          'line'     => $line,
          'function' => $function,
          'message'  => $message
        );
    }

/**
     * Checks the previous opcode.
     *
     * @param  integer $opcode
     * @param  array   $oparray
     * @param  integer $current
     * @return boolean
     * @author Lars Strojny <lstrojny@php.net>
     */
    protected function lastOpCodeIs($opcode, $oparray, $current)
    {
        return isset($oparray['code'][$current - 1]) &&
               $oparray['code'][$current - 1]['mnemonic'] == $opcode;
    }
}