xcache
/
xcache
1
0
Fork 0
Code Releases Activity

Decompiler: simplify code by using op.line

This commit is contained in:
Xuefer 2015-06-21 03:14:01 +08:00
parent 88d5782223
commit dbfec9ee56
1 changed files with 13 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
lib/Decompiler.class.php
View File

@ -1279,35 +1279,33 @@ class Decompiler
// }}}
// {{{ search firstJmpOp
$firstJmp = -1;
$firstJmpOp = null;
for ($i = $range[0]; $i <= $range[1]; ++$i) {
if (!empty($opcodes[$i]['jmptos'])) {
$firstJmp = $i;
$firstJmpOp = &$opcodes[$firstJmp];
$firstJmpOp = &$opcodes[$i];
break;
}
}
// }}}
if (!isset($firstJmpOp)) {
return;
}
// {{{ search lastJmpOp
$lastJmp = -1;
$lastJmpOp = null;
for ($i = $range[1]; $i > $firstJmp; --$i) {
for ($i = $range[1]; $i > $firstJmpOp['line']; --$i) {
if (!empty($opcodes[$i]['jmptos'])) {
$lastJmp = $i;
$lastJmpOp = &$opcodes[$lastJmp];
$lastJmpOp = &$opcodes[$i];
break;
}
}
// }}}
// {{{ while
if (isset($firstJmpOp)
&& $firstJmpOp['opcode'] == XC_JMPZ
if ($firstJmpOp['opcode'] == XC_JMPZ
&& $firstJmpOp['jmptos'][0] > $range[1]
&& $lastOp['opcode'] == XC_JMP
&& !empty($lastOp['jmptos']) && $lastOp['jmptos'][0] == $range[0]) {
$this->removeJmpInfo($EX, $firstJmp);
$this->removeJmpInfo($EX, $firstJmpOp['line']);
$this->removeJmpInfo($EX, $range[1]);
$this->beginComplexBlock($EX);
@ -1326,14 +1324,13 @@ class Decompiler
}
// }}}
// {{{ foreach
if (isset($firstJmpOp)
&& $firstJmpOp['opcode'] == XC_FE_FETCH
&& !empty($firstJmpOp['jmptos']) && $firstJmpOp['jmptos'][0] > $lastJmp
if ($firstJmpOp['opcode'] == XC_FE_FETCH
&& !empty($firstJmpOp['jmptos']) && $firstJmpOp['jmptos'][0] > $lastJmpOp['line']
&& isset($lastJmpOp)
&& $lastJmpOp['opcode'] == XC_JMP
&& !empty($lastJmpOp['jmptos']) && $lastJmpOp['jmptos'][0] == $firstJmp) {
$this->removeJmpInfo($EX, $firstJmp);
$this->removeJmpInfo($EX, $lastJmp);
&& !empty($lastJmpOp['jmptos']) && $lastJmpOp['jmptos'][0] == $firstJmpOp['line']) {
$this->removeJmpInfo($EX, $firstJmpOp['line']);
$this->removeJmpInfo($EX, $lastJmpOp['line']);
$this->beginComplexBlock($EX);
ob_start();