root/trunk/phpdop.phpr @ 820

#! /usr/bin/php
<?php

$srcdir = dirname(__FILE__);
require_once("$srcdir/Decompiler.class.php");
if (file_exists("$srcdir/phpdc.debug.php")) {
    include("$srcdir/phpdc.debug.php");
}

function get_op($op)
{
    switch ($op['op_type']) {
    case 1: // CONST
        return var_export($op['constant'], true);

    case 2: // IS_TMP_VAR
        return 't@' . $op['var'];

    case 4:
        return 'v$' . $op['var'];

    case 8: // UNUSED
        if (isset($op['opline_num'])) {
            return 'l#' . $op['opline_num'];
        }
        else {
            return '-';
        }

    default:
        return $op['op_type'] . $op['var'];
    }
}

function dump_opcodes($opcodes, $indent = '')
{
    global $decompiler;

    $types = array('result' => 5, 'op1' => 20, 'op2' => 20);
    foreach ($decompiler->fixOpcode($opcodes) as $line => $op) {
        echo $indent;
        echo sprintf("%3d ", $op['lineno']);
        echo sprintf("%3x ", $line);
        $name = xcache_get_opcode($op['opcode']);

        if (substr($name, 0, 5) == 'ZEND_') {
            $name = substr($name, 5);
        }
        echo str_pad($name, 25);

        foreach ($types as $t => $len) {
            echo str_pad(isset($op[$t]) ? get_op($op[$t]) : "", $len);
        }
        printf("%5s", isset($op['extended_value']) ?  $op['extended_value'] : "");

        echo "\n";
    }
}

function dump_function($name, $func, $indent = '')
{
    if (isset($func['op_array'])) {
        $op_array = $func['op_array'];
        unset($func['op_array']);
    }
    else {
        $op_array = null;
    }
    var_dump($func);
    echo $indent, 'function ', $name, "\n";
    if (isset($op_array)) {
        dump_opcodes($op_array['opcodes'], "  " . $indent);
    }
}

function dump_class($name, $class, $indent = '')
{
    if (isset($class['function_table'])) {
        $funcs = $class['function_table'];
        unset($class['function_table']);
    }
    else {
        $funcs = null;
    }
    echo $indent, 'class ', $name, "\n";
    if (isset($funcs)) {
        foreach ($funcs as $name => $func) {
            dump_function($name, $func, "  " . $indent);
        }
    }
}

if (!isset($argv[1])) {
    die("Usage: $argv[0] <file>\n");
}
$decompiler = new Decompiler();
if (isset($argv[2])) {
    eval('$pk = ' . file_get_contents($argv[2]) . ';');
}
else {
    $pk = xcache_dasm_file($argv[1]);
}
$op_array = $funcs = $classes = null;
if (isset($pk['op_array'])) {
    $op_array = $pk['op_array'];
    unset($pk['op_array']);
}
if (isset($pk['function_table'])) {
    $funcs = $pk['function_table'];
    unset($pk['function_table']);
}
if (isset($pk['class_table'])) {
    $classes = $pk['class_table'];
    unset($pk['class_table']);
}
var_dump($pk);
if (isset($classes)) {
    foreach ($classes as $name => $class) {
        dump_class($name, $class);
    }
}
if (isset($funcs)) {
    foreach ($funcs as $name => $func) {
        dump_function($name, $func);
    }
}
if (isset($op_array)) {
    dump_opcodes($op_array['opcodes']);
}