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Decompiler: use range for buildJmpInfo

This commit is contained in:
Xuefer 2015-06-09 03:55:00 +08:00
parent dbfec9ee56
commit f53d355d1a
1 changed files with 8 additions and 8 deletions
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16
lib/Decompiler.class.php
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@ -925,7 +925,6 @@ class Decompiler
{
$opcodes = &$range['EX']['opcodes'];
if ($offset > 0) {
$last = $range['EX']['op_array']['last'];
for ($i = $offset; $i <= $range[1]; ++$i) {
if ($opcodes[$i]['opcode'] != XC_NOP) {
return $i;
@ -1413,11 +1412,11 @@ class Decompiler
}
}
// }}}
function buildJmpInfo(&$op_array) // {{{ build jmpfroms/jmptos to op_array
function buildJmpInfo($range) // {{{ build jmpfroms/jmptos to op_array
{
$opcodes = &$op_array['opcodes'];
$last = count($opcodes) - 1;
for ($i = 0; $i <= $last; $i++) {
$op_array = &$range['EX']['op_array'];
$opcodes = &$range['EX']['opcodes'];
for ($i = $range[0]; $i <= $range[1]; $i++) {
$op = &$opcodes[$i];
switch ($op['opcode']) {
case XC_CONT:
@ -1519,13 +1518,13 @@ class Decompiler
if ($opcodes[$catch_op]['opcode'] == XC_CATCH) {
$catch_op = $opcodes[$catch_op]['extended_value'];
}
else if ($catch_op + 1 <= $last && $opcodes[$catch_op + 1]['opcode'] == XC_CATCH) {
else if ($catch_op + 1 <= $range[1] && $opcodes[$catch_op + 1]['opcode'] == XC_CATCH) {
$catch_op = $opcodes[$catch_op + 1]['extended_value'];
}
else {
break;
}
} while ($catch_op <= $last && empty($opcodes[$catch_op]['isCatchBegin']));
} while ($catch_op <= $range[1] && empty($opcodes[$catch_op]['isCatchBegin']));
}
}
}
@ -1533,7 +1532,6 @@ class Decompiler
function &dop_array($op_array, $indent = '') // {{{
{
$op_array['opcodes'] = $this->fixOpCode($op_array['opcodes'], true, $indent == '' ? 1 : null);
$this->buildJmpInfo($op_array);
$opcodes = &$op_array['opcodes'];
@ -1574,6 +1572,8 @@ class Decompiler
for ($i = $range[0]; $i <= $range[1]; $i++) {
$opcodes[$i]['line'] = $i;
}
$this->buildJmpInfo($range);
if ($this->outputOpcode) {
$this->keepTs = true;
$this->dumpRange($range);