1 | <?php |
---|
2 | |
---|
3 | define('INDENT', "\t"); |
---|
4 | ini_set('error_reporting', E_ALL); |
---|
5 | |
---|
6 | function color($str, $color = 33) |
---|
7 | { |
---|
8 | return "\x1B[{$color}m$str\x1B[0m"; |
---|
9 | } |
---|
10 | |
---|
11 | function str($code, $indent = '') // {{{ |
---|
12 | { |
---|
13 | if (is_array($code)) { |
---|
14 | $array = array(); |
---|
15 | foreach ($code as $key => $value) { |
---|
16 | $array[$key] = str($value, $indent); |
---|
17 | } |
---|
18 | return $array; |
---|
19 | } |
---|
20 | if (is_object($code)) { |
---|
21 | $code = foldToCode($code, $indent); |
---|
22 | return $code->toCode($indent); |
---|
23 | } |
---|
24 | |
---|
25 | return (string) $code; |
---|
26 | } |
---|
27 | // }}} |
---|
28 | function foldToCode($src, $indent = '') // {{{ wrap or rewrap anything to Decompiler_Code |
---|
29 | { |
---|
30 | if (is_array($indent)) { |
---|
31 | $indent = $indent['indent']; |
---|
32 | } |
---|
33 | |
---|
34 | if (!is_object($src)) { |
---|
35 | return new Decompiler_Code($src); |
---|
36 | } |
---|
37 | |
---|
38 | if (!method_exists($src, 'toCode')) { |
---|
39 | var_dump($src); |
---|
40 | exit('no toCode'); |
---|
41 | } |
---|
42 | if (get_class($src) != 'Decompiler_Code') { |
---|
43 | // rewrap it |
---|
44 | $src = new Decompiler_Code($src->toCode($indent)); |
---|
45 | } |
---|
46 | |
---|
47 | return $src; |
---|
48 | } |
---|
49 | // }}} |
---|
50 | function value($value) // {{{ |
---|
51 | { |
---|
52 | $spec = xcache_get_special_value($value); |
---|
53 | if (isset($spec)) { |
---|
54 | $value = $spec; |
---|
55 | if (!is_array($value)) { |
---|
56 | // constant |
---|
57 | return $value; |
---|
58 | } |
---|
59 | } |
---|
60 | |
---|
61 | if (is_a($value, 'Decompiler_Object')) { |
---|
62 | // use as is |
---|
63 | } |
---|
64 | else if (is_array($value)) { |
---|
65 | $value = new Decompiler_ConstArray($value); |
---|
66 | } |
---|
67 | else { |
---|
68 | $value = new Decompiler_Value($value); |
---|
69 | } |
---|
70 | return $value; |
---|
71 | } |
---|
72 | // }}} |
---|
73 | function unquoteName_($str, $asVariableName, $indent = '') // {{{ |
---|
74 | { |
---|
75 | $str = str($str, $indent); |
---|
76 | if (preg_match("!^'[\\w_][\\w\\d_\\\\]*'\$!", $str)) { |
---|
77 | return str_replace('\\\\', '\\', substr($str, 1, -1)); |
---|
78 | } |
---|
79 | else if ($asVariableName) { |
---|
80 | return "{" . $str . "}"; |
---|
81 | } |
---|
82 | else { |
---|
83 | return $str; |
---|
84 | } |
---|
85 | } |
---|
86 | // }}} |
---|
87 | function unquoteVariableName($str, $indent = '') // {{{ |
---|
88 | { |
---|
89 | return unquoteName_($str, true, $indent); |
---|
90 | } |
---|
91 | // }}} |
---|
92 | function unquoteName($str, $indent = '') // {{{ |
---|
93 | { |
---|
94 | return unquoteName_($str, false, $indent); |
---|
95 | } |
---|
96 | // }}} |
---|
97 | class Decompiler_Object // {{{ |
---|
98 | { |
---|
99 | } |
---|
100 | // }}} |
---|
101 | class Decompiler_Value extends Decompiler_Object // {{{ |
---|
102 | { |
---|
103 | var $value; |
---|
104 | |
---|
105 | function Decompiler_Value($value = null) |
---|
106 | { |
---|
107 | $this->value = $value; |
---|
108 | } |
---|
109 | |
---|
110 | function toCode($indent) |
---|
111 | { |
---|
112 | $code = var_export($this->value, true); |
---|
113 | if (gettype($this->value) == 'string') { |
---|
114 | switch ($this->value) { |
---|
115 | case "\r": |
---|
116 | return '"\\r"'; |
---|
117 | case "\n": |
---|
118 | return '"\\n"'; |
---|
119 | case "\r\n": |
---|
120 | return '"\\r\\n"'; |
---|
121 | } |
---|
122 | $code = str_replace("\r\n", '\' . "\\r\\n" . \'', $code); |
---|
123 | $code = str_replace("\r", '\' . "\\r" . \'', $code); |
---|
124 | $code = str_replace("\n", '\' . "\\n" . \'', $code); |
---|
125 | } |
---|
126 | return $code; |
---|
127 | } |
---|
128 | } |
---|
129 | // }}} |
---|
130 | class Decompiler_Code extends Decompiler_Object // {{{ |
---|
131 | { |
---|
132 | var $src; |
---|
133 | |
---|
134 | function Decompiler_Code($src) |
---|
135 | { |
---|
136 | assert('isset($src)'); |
---|
137 | $this->src = $src; |
---|
138 | } |
---|
139 | |
---|
140 | function toCode($indent) |
---|
141 | { |
---|
142 | return $this->src; |
---|
143 | } |
---|
144 | } |
---|
145 | // }}} |
---|
146 | class Decompiler_Binop extends Decompiler_Code // {{{ |
---|
147 | { |
---|
148 | var $opc; |
---|
149 | var $op1; |
---|
150 | var $op2; |
---|
151 | var $parent; |
---|
152 | |
---|
153 | function Decompiler_Binop($parent, $op1, $opc, $op2) |
---|
154 | { |
---|
155 | $this->parent = &$parent; |
---|
156 | $this->opc = $opc; |
---|
157 | $this->op1 = $op1; |
---|
158 | $this->op2 = $op2; |
---|
159 | } |
---|
160 | |
---|
161 | function toCode($indent) |
---|
162 | { |
---|
163 | $opstr = $this->parent->binops[$this->opc]; |
---|
164 | |
---|
165 | if (is_a($this->op1, 'Decompiler_TriOp') || is_a($this->op1, 'Decompiler_Binop') && $this->op1->opc != $this->opc) { |
---|
166 | $op1 = "(" . str($this->op1, $indent) . ")"; |
---|
167 | } |
---|
168 | else { |
---|
169 | $op1 = $this->op1; |
---|
170 | } |
---|
171 | |
---|
172 | if (is_a($this->op2, 'Decompiler_TriOp') || is_a($this->op2, 'Decompiler_Binop') && $this->op2->opc != $this->opc && substr($opstr, -1) != '=') { |
---|
173 | $op2 = "(" . str($this->op2, $indent) . ")"; |
---|
174 | } |
---|
175 | else { |
---|
176 | $op2 = $this->op2; |
---|
177 | } |
---|
178 | |
---|
179 | if (str($op1) == '0' && ($this->opc == XC_ADD || $this->opc == XC_SUB)) { |
---|
180 | return $opstr . str($op2, $indent); |
---|
181 | } |
---|
182 | |
---|
183 | return str($op1, $indent) . ' ' . $opstr . ($this->opc == XC_ASSIGN_REF ? '' : ' ') . str($op2, $indent); |
---|
184 | } |
---|
185 | } |
---|
186 | // }}} |
---|
187 | class Decompiler_TriOp extends Decompiler_Code // {{{ |
---|
188 | { |
---|
189 | var $condition; |
---|
190 | var $trueValue; |
---|
191 | var $falseValue; |
---|
192 | |
---|
193 | function Decompiler_TriOp($condition, $trueValue, $falseValue) |
---|
194 | { |
---|
195 | $this->condition = $condition; |
---|
196 | $this->trueValue = $trueValue; |
---|
197 | $this->falseValue = $falseValue; |
---|
198 | } |
---|
199 | |
---|
200 | function toCode($indent) |
---|
201 | { |
---|
202 | $trueValue = $this->trueValue; |
---|
203 | if (is_a($this->trueValue, 'Decompiler_TriOp')) { |
---|
204 | $trueValue = "(" . str($trueValue, $indent) . ")"; |
---|
205 | } |
---|
206 | $falseValue = $this->falseValue; |
---|
207 | if (is_a($this->falseValue, 'Decompiler_TriOp')) { |
---|
208 | $falseValue = "(" . str($falseValue, $indent) . ")"; |
---|
209 | } |
---|
210 | |
---|
211 | return str($this->condition) . ' ? ' . str($trueValue) . ' : ' . str($falseValue); |
---|
212 | } |
---|
213 | } |
---|
214 | // }}} |
---|
215 | class Decompiler_Fetch extends Decompiler_Code // {{{ |
---|
216 | { |
---|
217 | var $src; |
---|
218 | var $fetchType; |
---|
219 | |
---|
220 | function Decompiler_Fetch($src, $type, $globalsrc) |
---|
221 | { |
---|
222 | $this->src = $src; |
---|
223 | $this->fetchType = $type; |
---|
224 | $this->globalsrc = $globalsrc; |
---|
225 | } |
---|
226 | |
---|
227 | function toCode($indent) |
---|
228 | { |
---|
229 | switch ($this->fetchType) { |
---|
230 | case ZEND_FETCH_LOCAL: |
---|
231 | return '$' . substr($this->src, 1, -1); |
---|
232 | case ZEND_FETCH_STATIC: |
---|
233 | if (ZEND_ENGINE_2_3) { |
---|
234 | // closure local variable? |
---|
235 | return str($this->src); |
---|
236 | } |
---|
237 | die('static fetch cant to string'); |
---|
238 | case ZEND_FETCH_GLOBAL: |
---|
239 | case ZEND_FETCH_GLOBAL_LOCK: |
---|
240 | return $this->globalsrc; |
---|
241 | default: |
---|
242 | var_dump($this->fetchType); |
---|
243 | assert(0); |
---|
244 | } |
---|
245 | } |
---|
246 | } |
---|
247 | // }}} |
---|
248 | class Decompiler_Box // {{{ |
---|
249 | { |
---|
250 | var $obj; |
---|
251 | |
---|
252 | function Decompiler_Box(&$obj) |
---|
253 | { |
---|
254 | $this->obj = &$obj; |
---|
255 | } |
---|
256 | |
---|
257 | function toCode($indent) |
---|
258 | { |
---|
259 | return $this->obj->toCode($indent); |
---|
260 | } |
---|
261 | } |
---|
262 | // }}} |
---|
263 | class Decompiler_Dim extends Decompiler_Value // {{{ |
---|
264 | { |
---|
265 | var $offsets = array(); |
---|
266 | var $isLast = false; |
---|
267 | var $isObject = false; |
---|
268 | var $assign = null; |
---|
269 | |
---|
270 | function toCode($indent) |
---|
271 | { |
---|
272 | if (is_a($this->value, 'Decompiler_ListBox')) { |
---|
273 | $exp = str($this->value->obj->src, $indent); |
---|
274 | } |
---|
275 | else { |
---|
276 | $exp = str($this->value, $indent); |
---|
277 | } |
---|
278 | $last = count($this->offsets) - 1; |
---|
279 | foreach ($this->offsets as $i => $dim) { |
---|
280 | if ($this->isObject && $i == $last) { |
---|
281 | $exp .= '->' . unquoteVariableName($dim, $indent); |
---|
282 | } |
---|
283 | else { |
---|
284 | $exp .= '[' . str($dim, $indent) . ']'; |
---|
285 | } |
---|
286 | } |
---|
287 | return $exp; |
---|
288 | } |
---|
289 | } |
---|
290 | // }}} |
---|
291 | class Decompiler_DimBox extends Decompiler_Box // {{{ |
---|
292 | { |
---|
293 | } |
---|
294 | // }}} |
---|
295 | class Decompiler_List extends Decompiler_Code // {{{ |
---|
296 | { |
---|
297 | var $src; |
---|
298 | var $dims = array(); |
---|
299 | var $everLocked = false; |
---|
300 | |
---|
301 | function toCode($indent) |
---|
302 | { |
---|
303 | if (count($this->dims) == 1 && !$this->everLocked) { |
---|
304 | $dim = $this->dims[0]; |
---|
305 | unset($dim->value); |
---|
306 | $dim->value = $this->src; |
---|
307 | if (!isset($dim->assign)) { |
---|
308 | return str($dim, $indent); |
---|
309 | } |
---|
310 | return str($this->dims[0]->assign, $indent) . ' = ' . str($dim, $indent); |
---|
311 | } |
---|
312 | /* flatten dims */ |
---|
313 | $assigns = array(); |
---|
314 | foreach ($this->dims as $dim) { |
---|
315 | $assign = &$assigns; |
---|
316 | foreach ($dim->offsets as $offset) { |
---|
317 | $assign = &$assign[$offset]; |
---|
318 | } |
---|
319 | $assign = foldToCode($dim->assign, $indent); |
---|
320 | } |
---|
321 | return str($this->toList($assigns)) . ' = ' . str($this->src, $indent); |
---|
322 | } |
---|
323 | |
---|
324 | function toList($assigns) |
---|
325 | { |
---|
326 | $keys = array_keys($assigns); |
---|
327 | if (count($keys) < 2) { |
---|
328 | $keys[] = 0; |
---|
329 | } |
---|
330 | $max = call_user_func_array('max', $keys); |
---|
331 | $list = 'list('; |
---|
332 | for ($i = 0; $i <= $max; $i ++) { |
---|
333 | if ($i) { |
---|
334 | $list .= ', '; |
---|
335 | } |
---|
336 | if (!isset($assigns[$i])) { |
---|
337 | continue; |
---|
338 | } |
---|
339 | if (is_array($assigns[$i])) { |
---|
340 | $list .= $this->toList($assigns[$i]); |
---|
341 | } |
---|
342 | else { |
---|
343 | $list .= $assigns[$i]; |
---|
344 | } |
---|
345 | } |
---|
346 | return $list . ')'; |
---|
347 | } |
---|
348 | } |
---|
349 | // }}} |
---|
350 | class Decompiler_ListBox extends Decompiler_Box // {{{ |
---|
351 | { |
---|
352 | } |
---|
353 | // }}} |
---|
354 | class Decompiler_Array extends Decompiler_Value // {{{ |
---|
355 | { |
---|
356 | // emenets |
---|
357 | function Decompiler_Array() |
---|
358 | { |
---|
359 | $this->value = array(); |
---|
360 | } |
---|
361 | |
---|
362 | function toCode($indent) |
---|
363 | { |
---|
364 | $subindent = $indent . INDENT; |
---|
365 | |
---|
366 | $elementsCode = array(); |
---|
367 | $index = 0; |
---|
368 | foreach ($this->value as $element) { |
---|
369 | list($key, $value) = $element; |
---|
370 | if (!isset($key)) { |
---|
371 | $key = $index++; |
---|
372 | } |
---|
373 | $elementsCode[] = array(str($key, $subindent), str($value, $subindent), $key, $value); |
---|
374 | } |
---|
375 | |
---|
376 | $exp = "array("; |
---|
377 | $indent = $indent . INDENT; |
---|
378 | $assocWidth = 0; |
---|
379 | $multiline = 0; |
---|
380 | $i = 0; |
---|
381 | foreach ($elementsCode as $element) { |
---|
382 | list($keyCode, $valueCode) = $element; |
---|
383 | if ((string) $i !== $keyCode) { |
---|
384 | $assocWidth = 1; |
---|
385 | break; |
---|
386 | } |
---|
387 | ++$i; |
---|
388 | } |
---|
389 | foreach ($elementsCode as $element) { |
---|
390 | list($keyCode, $valueCode, $key, $value) = $element; |
---|
391 | if ($assocWidth) { |
---|
392 | $len = strlen($keyCode); |
---|
393 | if ($assocWidth < $len) { |
---|
394 | $assocWidth = $len; |
---|
395 | } |
---|
396 | } |
---|
397 | if (is_array($value) || is_a($value, 'Decompiler_Array')) { |
---|
398 | $multiline ++; |
---|
399 | } |
---|
400 | } |
---|
401 | |
---|
402 | $i = 0; |
---|
403 | foreach ($elementsCode as $element) { |
---|
404 | list($keyCode, $value) = $element; |
---|
405 | if ($multiline) { |
---|
406 | if ($i) { |
---|
407 | $exp .= ","; |
---|
408 | } |
---|
409 | $exp .= "\n"; |
---|
410 | $exp .= $indent; |
---|
411 | } |
---|
412 | else { |
---|
413 | if ($i) { |
---|
414 | $exp .= ", "; |
---|
415 | } |
---|
416 | } |
---|
417 | |
---|
418 | if ($assocWidth) { |
---|
419 | if ($multiline) { |
---|
420 | $exp .= sprintf("%-{$assocWidth}s => ", $keyCode); |
---|
421 | } |
---|
422 | else { |
---|
423 | $exp .= $keyCode . ' => '; |
---|
424 | } |
---|
425 | } |
---|
426 | |
---|
427 | $exp .= $value; |
---|
428 | |
---|
429 | $i ++; |
---|
430 | } |
---|
431 | if ($multiline) { |
---|
432 | $exp .= "\n$indent)"; |
---|
433 | } |
---|
434 | else { |
---|
435 | $exp .= ")"; |
---|
436 | } |
---|
437 | return $exp; |
---|
438 | } |
---|
439 | } |
---|
440 | // }}} |
---|
441 | class Decompiler_ConstArray extends Decompiler_Array // {{{ |
---|
442 | { |
---|
443 | function Decompiler_ConstArray($array) |
---|
444 | { |
---|
445 | $elements = array(); |
---|
446 | foreach ($array as $key => $value) { |
---|
447 | $elements[] = array(value($key), value($value)); |
---|
448 | } |
---|
449 | $this->value = $elements; |
---|
450 | } |
---|
451 | } |
---|
452 | // }}} |
---|
453 | class Decompiler_ForeachBox extends Decompiler_Box // {{{ |
---|
454 | { |
---|
455 | var $iskey; |
---|
456 | |
---|
457 | function toCode($indent) |
---|
458 | { |
---|
459 | return 'foreach (' . ''; |
---|
460 | } |
---|
461 | } |
---|
462 | // }}} |
---|
463 | |
---|
464 | class Decompiler |
---|
465 | { |
---|
466 | var $namespace; |
---|
467 | var $namespaceDecided; |
---|
468 | |
---|
469 | function Decompiler() |
---|
470 | { |
---|
471 | // {{{ testing |
---|
472 | // XC_UNDEF XC_OP_DATA |
---|
473 | $this->test = !empty($_ENV['XCACHE_DECOMPILER_TEST']); |
---|
474 | $this->usedOps = array(); |
---|
475 | |
---|
476 | if ($this->test) { |
---|
477 | $content = file_get_contents(__FILE__); |
---|
478 | for ($i = 0; $opname = xcache_get_opcode($i); $i ++) { |
---|
479 | if (!preg_match("/\\bXC_" . $opname . "\\b(?!')/", $content)) { |
---|
480 | echo "not recognized opcode ", $opname, "\n"; |
---|
481 | } |
---|
482 | } |
---|
483 | } |
---|
484 | // }}} |
---|
485 | // {{{ opinfo |
---|
486 | $this->unaryops = array( |
---|
487 | XC_BW_NOT => '~', |
---|
488 | XC_BOOL_NOT => '!', |
---|
489 | ); |
---|
490 | $this->binops = array( |
---|
491 | XC_ADD => "+", |
---|
492 | XC_ASSIGN_ADD => "+=", |
---|
493 | XC_SUB => "-", |
---|
494 | XC_ASSIGN_SUB => "-=", |
---|
495 | XC_MUL => "*", |
---|
496 | XC_ASSIGN_MUL => "*=", |
---|
497 | XC_DIV => "/", |
---|
498 | XC_ASSIGN_DIV => "/=", |
---|
499 | XC_MOD => "%", |
---|
500 | XC_ASSIGN_MOD => "%=", |
---|
501 | XC_SL => "<<", |
---|
502 | XC_ASSIGN_SL => "<<=", |
---|
503 | XC_SR => ">>", |
---|
504 | XC_ASSIGN_SR => ">>=", |
---|
505 | XC_CONCAT => ".", |
---|
506 | XC_ASSIGN_CONCAT => ".=", |
---|
507 | XC_IS_IDENTICAL => "===", |
---|
508 | XC_IS_NOT_IDENTICAL => "!==", |
---|
509 | XC_IS_EQUAL => "==", |
---|
510 | XC_IS_NOT_EQUAL => "!=", |
---|
511 | XC_IS_SMALLER => "<", |
---|
512 | XC_IS_SMALLER_OR_EQUAL => "<=", |
---|
513 | XC_BW_OR => "|", |
---|
514 | XC_ASSIGN_BW_OR => "|=", |
---|
515 | XC_BW_AND => "&", |
---|
516 | XC_ASSIGN_BW_AND => "&=", |
---|
517 | XC_BW_XOR => "^", |
---|
518 | XC_ASSIGN_BW_XOR => "^=", |
---|
519 | XC_BOOL_XOR => "xor", |
---|
520 | XC_ASSIGN => "=", |
---|
521 | XC_ASSIGN_REF => "= &", |
---|
522 | XC_JMP_SET => "?:", |
---|
523 | XC_JMPZ_EX => "&&", |
---|
524 | XC_JMPNZ_EX => "||", |
---|
525 | ); |
---|
526 | // }}} |
---|
527 | $this->includeTypes = array( // {{{ |
---|
528 | ZEND_EVAL => 'eval', |
---|
529 | ZEND_INCLUDE => 'include', |
---|
530 | ZEND_INCLUDE_ONCE => 'include_once', |
---|
531 | ZEND_REQUIRE => 'require', |
---|
532 | ZEND_REQUIRE_ONCE => 'require_once', |
---|
533 | ); |
---|
534 | // }}} |
---|
535 | } |
---|
536 | function detectNamespace($name) // {{{ |
---|
537 | { |
---|
538 | if ($this->namespaceDecided) { |
---|
539 | return; |
---|
540 | } |
---|
541 | |
---|
542 | if (strpos($name, '\\') !== false) { |
---|
543 | $this->namespace = strtok($name, '\\'); |
---|
544 | echo 'namespace ', $this->namespace, ";\n\n"; |
---|
545 | } |
---|
546 | |
---|
547 | $this->namespaceDecided = true; |
---|
548 | } |
---|
549 | // }}} |
---|
550 | function stripNamespace($name) // {{{ |
---|
551 | { |
---|
552 | $len = strlen($this->namespace) + 1; |
---|
553 | if (substr($name, 0, $len) == $this->namespace . '\\') { |
---|
554 | return substr($name, $len); |
---|
555 | } |
---|
556 | else { |
---|
557 | return $name; |
---|
558 | } |
---|
559 | } |
---|
560 | // }}} |
---|
561 | function outputPhp(&$EX, $range) // {{{ |
---|
562 | { |
---|
563 | $needBlankline = isset($EX['lastBlock']); |
---|
564 | $indent = $EX['indent']; |
---|
565 | $curticks = 0; |
---|
566 | for ($i = $range[0]; $i <= $range[1]; $i ++) { |
---|
567 | $op = $EX['opcodes'][$i]; |
---|
568 | if (isset($op['gofrom'])) { |
---|
569 | if ($needBlankline) { |
---|
570 | $needBlankline = false; |
---|
571 | echo PHP_EOL; |
---|
572 | } |
---|
573 | echo 'label' . $i, ":\n"; |
---|
574 | } |
---|
575 | if (isset($op['php'])) { |
---|
576 | $toticks = isset($op['ticks']) ? (int) str($op['ticks']) : 0; |
---|
577 | if ($curticks != $toticks) { |
---|
578 | $oldticks = $curticks; |
---|
579 | $curticks = $toticks; |
---|
580 | if (!$curticks) { |
---|
581 | echo $EX['indent'], "}\n\n"; |
---|
582 | $indent = $EX['indent']; |
---|
583 | } |
---|
584 | else { |
---|
585 | if ($oldticks) { |
---|
586 | echo $EX['indent'], "}\n\n"; |
---|
587 | } |
---|
588 | else if (!$oldticks) { |
---|
589 | $indent .= INDENT; |
---|
590 | } |
---|
591 | if ($needBlankline) { |
---|
592 | $needBlankline = false; |
---|
593 | echo PHP_EOL; |
---|
594 | } |
---|
595 | echo $EX['indent'], "declare (ticks=$curticks) {\n"; |
---|
596 | } |
---|
597 | } |
---|
598 | if ($needBlankline) { |
---|
599 | $needBlankline = false; |
---|
600 | echo PHP_EOL; |
---|
601 | } |
---|
602 | echo $indent, str($op['php'], $indent), ";\n"; |
---|
603 | $EX['lastBlock'] = 'basic'; |
---|
604 | } |
---|
605 | } |
---|
606 | if ($curticks) { |
---|
607 | echo $EX['indent'], "}\n"; |
---|
608 | } |
---|
609 | } |
---|
610 | // }}} |
---|
611 | function getOpVal($op, &$EX, $free = false) // {{{ |
---|
612 | { |
---|
613 | switch ($op['op_type']) { |
---|
614 | case XC_IS_CONST: |
---|
615 | return value($op['constant']); |
---|
616 | |
---|
617 | case XC_IS_VAR: |
---|
618 | case XC_IS_TMP_VAR: |
---|
619 | $T = &$EX['Ts']; |
---|
620 | $ret = $T[$op['var']]; |
---|
621 | if ($free && empty($this->keepTs)) { |
---|
622 | unset($T[$op['var']]); |
---|
623 | } |
---|
624 | return $ret; |
---|
625 | |
---|
626 | case XC_IS_CV: |
---|
627 | $var = $op['var']; |
---|
628 | $var = $EX['op_array']['vars'][$var]; |
---|
629 | return '$' . $var['name']; |
---|
630 | |
---|
631 | case XC_IS_UNUSED: |
---|
632 | return null; |
---|
633 | } |
---|
634 | } |
---|
635 | // }}} |
---|
636 | function removeKeyPrefix($array, $prefix) // {{{ |
---|
637 | { |
---|
638 | $prefixLen = strlen($prefix); |
---|
639 | $ret = array(); |
---|
640 | foreach ($array as $key => $value) { |
---|
641 | if (substr($key, 0, $prefixLen) == $prefix) { |
---|
642 | $key = substr($key, $prefixLen); |
---|
643 | } |
---|
644 | $ret[$key] = $value; |
---|
645 | } |
---|
646 | return $ret; |
---|
647 | } |
---|
648 | // }}} |
---|
649 | function &fixOpcode($opcodes, $removeTailing = false, $defaultReturnValue = null) // {{{ |
---|
650 | { |
---|
651 | $last = count($opcodes) - 1; |
---|
652 | for ($i = 0; $i <= $last; $i ++) { |
---|
653 | if (function_exists('xcache_get_fixed_opcode')) { |
---|
654 | $opcodes[$i]['opcode'] = xcache_get_fixed_opcode($opcodes[$i]['opcode'], $i); |
---|
655 | } |
---|
656 | if (isset($opcodes[$i]['op1'])) { |
---|
657 | $opcodes[$i]['op1'] = $this->removeKeyPrefix($opcodes[$i]['op1'], 'u.'); |
---|
658 | $opcodes[$i]['op2'] = $this->removeKeyPrefix($opcodes[$i]['op2'], 'u.'); |
---|
659 | $opcodes[$i]['result'] = $this->removeKeyPrefix($opcodes[$i]['result'], 'u.'); |
---|
660 | } |
---|
661 | else { |
---|
662 | $op = array( |
---|
663 | 'op1' => array(), |
---|
664 | 'op2' => array(), |
---|
665 | 'op3' => array(), |
---|
666 | ); |
---|
667 | foreach ($opcodes[$i] as $name => $value) { |
---|
668 | if (preg_match('!^(op1|op2|result)\\.(.*)!', $name, $m)) { |
---|
669 | list(, $which, $field) = $m; |
---|
670 | $op[$which][$field] = $value; |
---|
671 | } |
---|
672 | else if (preg_match('!^(op1|op2|result)_type$!', $name, $m)) { |
---|
673 | list(, $which) = $m; |
---|
674 | $op[$which]['op_type'] = $value; |
---|
675 | } |
---|
676 | else { |
---|
677 | $op[$name] = $value; |
---|
678 | } |
---|
679 | } |
---|
680 | $opcodes[$i] = $op; |
---|
681 | } |
---|
682 | } |
---|
683 | |
---|
684 | if ($removeTailing) { |
---|
685 | $last = count($opcodes) - 1; |
---|
686 | if ($opcodes[$last]['opcode'] == XC_HANDLE_EXCEPTION) { |
---|
687 | $this->usedOps[XC_HANDLE_EXCEPTION] = true; |
---|
688 | $opcodes[$last]['opcode'] = XC_NOP; |
---|
689 | --$last; |
---|
690 | } |
---|
691 | if ($opcodes[$last]['opcode'] == XC_RETURN) { |
---|
692 | $op1 = $opcodes[$last]['op1']; |
---|
693 | if ($op1['op_type'] == XC_IS_CONST && array_key_exists('constant', $op1) && $op1['constant'] === $defaultReturnValue) { |
---|
694 | $opcodes[$last]['opcode'] = XC_NOP; |
---|
695 | --$last; |
---|
696 | } |
---|
697 | } |
---|
698 | } |
---|
699 | return $opcodes; |
---|
700 | } |
---|
701 | // }}} |
---|
702 | function decompileBasicBlock(&$EX, $range, $unhandled = false) // {{{ |
---|
703 | { |
---|
704 | $this->dasmBasicBlock($EX, $range); |
---|
705 | if ($unhandled) { |
---|
706 | $this->dumpRange($EX, $range); |
---|
707 | } |
---|
708 | $this->outputPhp($EX, $range); |
---|
709 | } |
---|
710 | // }}} |
---|
711 | function isIfCondition(&$EX, $range) // {{{ |
---|
712 | { |
---|
713 | $opcodes = &$EX['opcodes']; |
---|
714 | $firstOp = &$opcodes[$range[0]]; |
---|
715 | return $firstOp['opcode'] == XC_JMPZ && !empty($firstOp['jmpouts']) && $opcodes[$firstOp['jmpouts'][0] - 1]['opcode'] == XC_JMP |
---|
716 | && !empty($opcodes[$firstOp['jmpouts'][0] - 1]['jmpouts']) |
---|
717 | && $opcodes[$firstOp['jmpouts'][0] - 1]['jmpouts'][0] == $range[1] + 1; |
---|
718 | } |
---|
719 | // }}} |
---|
720 | function removeJmpInfo(&$EX, $line) // {{{ |
---|
721 | { |
---|
722 | $opcodes = &$EX['opcodes']; |
---|
723 | foreach ($opcodes[$line]['jmpouts'] as $jmpTo) { |
---|
724 | $jmpins = &$opcodes[$jmpTo]['jmpins']; |
---|
725 | $jmpins = array_flip($jmpins); |
---|
726 | unset($jmpins[$line]); |
---|
727 | $jmpins = array_keys($jmpins); |
---|
728 | } |
---|
729 | // $opcodes[$line]['opcode'] = XC_NOP; |
---|
730 | unset($opcodes[$line]['jmpouts']); |
---|
731 | } |
---|
732 | // }}} |
---|
733 | function beginScope(&$EX, $doIndent = true) // {{{ |
---|
734 | { |
---|
735 | array_push($EX['scopeStack'], array($EX['lastBlock'], $EX['indent'])); |
---|
736 | if ($doIndent) { |
---|
737 | $EX['indent'] .= INDENT; |
---|
738 | } |
---|
739 | $EX['lastBlock'] = null; |
---|
740 | } |
---|
741 | // }}} |
---|
742 | function endScope(&$EX) // {{{ |
---|
743 | { |
---|
744 | list($EX['lastBlock'], $EX['indent']) = array_pop($EX['scopeStack']); |
---|
745 | } |
---|
746 | // }}} |
---|
747 | function beginComplexBlock(&$EX) // {{{ |
---|
748 | { |
---|
749 | if (isset($EX['lastBlock'])) { |
---|
750 | echo PHP_EOL; |
---|
751 | $EX['lastBlock'] = null; |
---|
752 | } |
---|
753 | } |
---|
754 | // }}} |
---|
755 | function endComplexBlock(&$EX) // {{{ |
---|
756 | { |
---|
757 | $EX['lastBlock'] = 'complex'; |
---|
758 | } |
---|
759 | // }}} |
---|
760 | function decompileComplexBlock(&$EX, $range) // {{{ |
---|
761 | { |
---|
762 | $T = &$EX['Ts']; |
---|
763 | $opcodes = &$EX['opcodes']; |
---|
764 | $indent = $EX['indent']; |
---|
765 | |
---|
766 | $firstOp = &$opcodes[$range[0]]; |
---|
767 | $lastOp = &$opcodes[$range[1]]; |
---|
768 | |
---|
769 | // {{{ && || and or |
---|
770 | if (($firstOp['opcode'] == XC_JMPZ_EX || $firstOp['opcode'] == XC_JMPNZ_EX) && !empty($firstOp['jmpouts']) |
---|
771 | && $firstOp['jmpouts'][0] == $range[1] + 1 |
---|
772 | && $lastOp['opcode'] == XC_BOOL |
---|
773 | && $firstOp['opcode']['result']['var'] == $lastOp['opcode']['result']['var'] |
---|
774 | ) { |
---|
775 | $this->removeJmpInfo($EX, $range[0]); |
---|
776 | |
---|
777 | $this->recognizeAndDecompileClosedBlocks($EX, array($range[0], $range[0])); |
---|
778 | $op1 = $this->getOpVal($firstOp['result'], $EX, true); |
---|
779 | |
---|
780 | $this->recognizeAndDecompileClosedBlocks($EX, array($range[0] + 1, $range[1])); |
---|
781 | $op2 = $this->getOpVal($lastOp['result'], $EX, true); |
---|
782 | |
---|
783 | $T[$firstOp['result']['var']] = new Decompiler_Binop($this, $op1, $firstOp['opcode'], $op2); |
---|
784 | return false; |
---|
785 | } |
---|
786 | // }}} |
---|
787 | // {{{ ?: excluding JMP_SET |
---|
788 | if ($firstOp['opcode'] == XC_JMPZ && !empty($firstOp['jmpouts']) |
---|
789 | && $range[1] >= $range[0] + 3 |
---|
790 | && $opcodes[$firstOp['jmpouts'][0] - 2]['opcode'] == XC_QM_ASSIGN |
---|
791 | && $opcodes[$firstOp['jmpouts'][0] - 1]['opcode'] == XC_JMP && $opcodes[$firstOp['jmpouts'][0] - 1]['jmpouts'][0] == $range[1] + 1 |
---|
792 | && $lastOp['opcode'] == XC_QM_ASSIGN |
---|
793 | ) { |
---|
794 | $trueRange = array($range[0] + 1, $firstOp['jmpouts'][0] - 2); |
---|
795 | $falseRange = array($firstOp['jmpouts'][0], $range[1]); |
---|
796 | $this->removeJmpInfo($EX, $range[0]); |
---|
797 | |
---|
798 | $condition = $this->getOpVal($firstOp['op1'], $EX); |
---|
799 | $this->recognizeAndDecompileClosedBlocks($EX, $trueRange); |
---|
800 | $trueValue = $this->getOpVal($opcodes[$trueRange[1]]['result'], $EX, true); |
---|
801 | $this->recognizeAndDecompileClosedBlocks($EX, $falseRange); |
---|
802 | $falseValue = $this->getOpVal($opcodes[$falseRange[1]]['result'], $EX, true); |
---|
803 | $T[$opcodes[$trueRange[1]]['result']['var']] = new Decompiler_TriOp($condition, $trueValue, $falseValue); |
---|
804 | return false; |
---|
805 | } |
---|
806 | // }}} |
---|
807 | // {{{ goto |
---|
808 | if ($firstOp['opcode'] == XC_JMP && !empty($firstOp['jmpouts']) && $firstOp['jmpouts'][0] == $range[1] + 1) { |
---|
809 | $this->removeJmpInfo($EX, $range[0]); |
---|
810 | $firstOp['opcode'] = XC_GOTO; |
---|
811 | $target = $firstOp['op1']['var']; |
---|
812 | $firstOp['goto'] = $target; |
---|
813 | $opcodes[$target]['gofrom'][] = $range[0]; |
---|
814 | |
---|
815 | $this->recognizeAndDecompileClosedBlocks($EX, $range); |
---|
816 | return false; |
---|
817 | } |
---|
818 | // }}} |
---|
819 | // {{{ for |
---|
820 | if (!empty($firstOp['jmpins']) && $opcodes[$firstOp['jmpins'][0]]['opcode'] == XC_JMP |
---|
821 | && $lastOp['opcode'] == XC_JMP && !empty($lastOp['jmpouts']) && $lastOp['jmpouts'][0] <= $firstOp['jmpins'][0] |
---|
822 | && !empty($opcodes[$range[1] + 1]['jmpins']) && $opcodes[$opcodes[$range[1] + 1]['jmpins'][0]]['opcode'] == XC_JMPZNZ |
---|
823 | ) { |
---|
824 | $nextRange = array($lastOp['jmpouts'][0], $firstOp['jmpins'][0]); |
---|
825 | $conditionRange = array($range[0], $nextRange[0] - 1); |
---|
826 | $this->removeJmpInfo($EX, $conditionRange[1]); |
---|
827 | $bodyRange = array($nextRange[1], $range[1]); |
---|
828 | $this->removeJmpInfo($EX, $bodyRange[1]); |
---|
829 | |
---|
830 | $initial = ''; |
---|
831 | $this->beginScope($EX); |
---|
832 | $this->dasmBasicBlock($EX, $conditionRange); |
---|
833 | $conditionCodes = array(); |
---|
834 | for ($i = $conditionRange[0]; $i <= $conditionRange[1]; ++$i) { |
---|
835 | if (isset($opcodes[$i]['php'])) { |
---|
836 | $conditionCodes[] = str($opcodes[$i]['php'], $EX); |
---|
837 | } |
---|
838 | } |
---|
839 | $conditionCodes[] = str($this->getOpVal($opcodes[$conditionRange[1]]['op1'], $EX), $EX); |
---|
840 | if (implode(',', $conditionCodes) == 'true') { |
---|
841 | $conditionCodes = array(); |
---|
842 | } |
---|
843 | $this->endScope($EX); |
---|
844 | |
---|
845 | $this->beginScope($EX); |
---|
846 | $this->dasmBasicBlock($EX, $nextRange); |
---|
847 | $nextCodes = array(); |
---|
848 | for ($i = $nextRange[0]; $i <= $nextRange[1]; ++$i) { |
---|
849 | if (isset($opcodes[$i]['php'])) { |
---|
850 | $nextCodes[] = str($opcodes[$i]['php'], $EX); |
---|
851 | } |
---|
852 | } |
---|
853 | $this->endScope($EX); |
---|
854 | |
---|
855 | $this->beginComplexBlock($EX); |
---|
856 | echo $indent, 'for (', str($initial, $EX), '; ', implode(', ', $conditionCodes), '; ', implode(', ', $nextCodes), ') ', '{', PHP_EOL; |
---|
857 | $this->beginScope($EX); |
---|
858 | $this->recognizeAndDecompileClosedBlocks($EX, $bodyRange); |
---|
859 | $this->endScope($EX); |
---|
860 | echo $indent, '}', PHP_EOL; |
---|
861 | $this->endComplexBlock($EX); |
---|
862 | return; |
---|
863 | } |
---|
864 | // }}} |
---|
865 | // {{{ if/elseif/else |
---|
866 | if ($this->isIfCondition($EX, $range)) { |
---|
867 | $this->beginComplexBlock($EX); |
---|
868 | $isElseIf = false; |
---|
869 | do { |
---|
870 | $ifRange = array($range[0], $opcodes[$range[0]]['jmpouts'][0] - 1); |
---|
871 | $this->removeJmpInfo($EX, $ifRange[0]); |
---|
872 | $this->removeJmpInfo($EX, $ifRange[1]); |
---|
873 | $condition = $this->getOpVal($opcodes[$ifRange[0]]['op1'], $EX); |
---|
874 | |
---|
875 | echo $indent, $isElseIf ? 'else if' : 'if', ' (', str($condition, $EX), ') ', '{', PHP_EOL; |
---|
876 | $this->beginScope($EX); |
---|
877 | $this->recognizeAndDecompileClosedBlocks($EX, $ifRange); |
---|
878 | $this->endScope($EX); |
---|
879 | $EX['lastBlock'] = null; |
---|
880 | echo $indent, '}', PHP_EOL; |
---|
881 | |
---|
882 | $isElseIf = true; |
---|
883 | // search for else if |
---|
884 | $range[0] = $ifRange[1] + 1; |
---|
885 | for ($i = $ifRange[1] + 1; $i <= $range[1]; ++$i) { |
---|
886 | // find first jmpout |
---|
887 | if (!empty($opcodes[$i]['jmpouts'])) { |
---|
888 | if ($this->isIfCondition($EX, array($i, $range[1]))) { |
---|
889 | $this->dasmBasicBlock($EX, array($range[0], $i)); |
---|
890 | $range[0] = $i; |
---|
891 | } |
---|
892 | break; |
---|
893 | } |
---|
894 | } |
---|
895 | } while ($this->isIfCondition($EX, $range)); |
---|
896 | if ($ifRange[1] < $range[1]) { |
---|
897 | $elseRange = array($ifRange[1], $range[1]); |
---|
898 | echo $indent, 'else ', '{', PHP_EOL; |
---|
899 | $this->beginScope($EX); |
---|
900 | $this->recognizeAndDecompileClosedBlocks($EX, $elseRange); |
---|
901 | $this->endScope($EX); |
---|
902 | $EX['lastBlock'] = null; |
---|
903 | echo $indent, '}', PHP_EOL; |
---|
904 | } |
---|
905 | $this->endComplexBlock($EX); |
---|
906 | return; |
---|
907 | } |
---|
908 | if ($firstOp['opcode'] == XC_JMPZ && !empty($firstOp['jmpouts']) |
---|
909 | && $firstOp['jmpouts'][0] - 1 == $range[1] && $opcodes[$firstOp['jmpouts'][0] - 1]['opcode'] == XC_RETURN) { |
---|
910 | $this->beginComplexBlock($EX); |
---|
911 | $this->removeJmpInfo($EX, $range[0]); |
---|
912 | $condition = $this->getOpVal($opcodes[$range[0]]['op1'], $EX); |
---|
913 | |
---|
914 | echo $indent, 'if (', str($condition, $EX), ') ', '{', PHP_EOL; |
---|
915 | $this->beginScope($EX); |
---|
916 | $this->recognizeAndDecompileClosedBlocks($EX, $range); |
---|
917 | $this->endScope($EX); |
---|
918 | echo $indent, '}', PHP_EOL; |
---|
919 | $this->endComplexBlock($EX); |
---|
920 | return; |
---|
921 | } |
---|
922 | // }}} |
---|
923 | // {{{ try/catch |
---|
924 | if (!empty($firstOp['jmpins']) && !empty($opcodes[$firstOp['jmpins'][0]]['isCatchBegin'])) { |
---|
925 | $catchBlocks = array(); |
---|
926 | $catchFirst = $firstOp['jmpins'][0]; |
---|
927 | |
---|
928 | $tryRange = array($range[0], $catchFirst - 1); |
---|
929 | |
---|
930 | // search for XC_CATCH |
---|
931 | $this->removeJmpInfo($EX, $catchFirst); |
---|
932 | for ($i = $catchFirst; $i <= $range[1]; ) { |
---|
933 | if ($opcodes[$i]['opcode'] == XC_CATCH) { |
---|
934 | $catchOpLine = $i; |
---|
935 | $this->removeJmpInfo($EX, $catchOpLine); |
---|
936 | |
---|
937 | $catchNext = $opcodes[$catchOpLine]['extended_value']; |
---|
938 | $catchBodyLast = $catchNext - 1; |
---|
939 | if ($opcodes[$catchBodyLast]['opcode'] == XC_JMP) { |
---|
940 | --$catchBodyLast; |
---|
941 | } |
---|
942 | |
---|
943 | $catchBlocks[$catchFirst] = array($catchOpLine, $catchBodyLast); |
---|
944 | |
---|
945 | $i = $catchFirst = $catchNext; |
---|
946 | } |
---|
947 | else { |
---|
948 | ++$i; |
---|
949 | } |
---|
950 | } |
---|
951 | |
---|
952 | if ($opcodes[$tryRange[1]]['opcode'] == XC_JMP) { |
---|
953 | --$tryRange[1]; |
---|
954 | } |
---|
955 | |
---|
956 | $this->beginComplexBlock($EX); |
---|
957 | echo $indent, "try {", PHP_EOL; |
---|
958 | $this->beginScope($EX); |
---|
959 | $this->recognizeAndDecompileClosedBlocks($EX, $tryRange); |
---|
960 | $this->endScope($EX); |
---|
961 | echo $indent, '}', PHP_EOL; |
---|
962 | foreach ($catchBlocks as $catchFirst => $catchInfo) { |
---|
963 | list($catchOpLine, $catchBodyLast) = $catchInfo; |
---|
964 | $catchBodyFirst = $catchOpLine + 1; |
---|
965 | $this->dasmBasicBlock($EX, array($catchFirst, $catchOpLine)); |
---|
966 | $catchOp = &$opcodes[$catchOpLine]; |
---|
967 | echo $indent, 'catch (', str($this->getOpVal($catchOp['op1'], $EX)), ' ', str($this->getOpVal($catchOp['op2'], $EX)), ") {", PHP_EOL; |
---|
968 | unset($catchOp); |
---|
969 | |
---|
970 | $EX['lastBlock'] = null; |
---|
971 | $this->beginScope($EX); |
---|
972 | $this->recognizeAndDecompileClosedBlocks($EX, array($catchBodyFirst, $catchBodyLast)); |
---|
973 | $this->endScope($EX); |
---|
974 | echo $indent, '}', PHP_EOL; |
---|
975 | } |
---|
976 | $this->endComplexBlock($EX); |
---|
977 | return; |
---|
978 | } |
---|
979 | // }}} |
---|
980 | // {{{ switch/case |
---|
981 | if ($firstOp['opcode'] == XC_SWITCH_FREE && isset($T[$firstOp['op1']['var']])) { |
---|
982 | // TODO: merge this code to CASE code. use SWITCH_FREE to detect begin of switch by using $Ts if possible |
---|
983 | $this->beginComplexBlock($EX); |
---|
984 | echo $indent, 'switch (', str($this->getOpVal($firstOp['op1'], $EX)), ") {", PHP_EOL; |
---|
985 | echo $indent, '}', PHP_EOL; |
---|
986 | $this->endComplexBlock($EX); |
---|
987 | return; |
---|
988 | } |
---|
989 | |
---|
990 | if ( |
---|
991 | ($firstOp['opcode'] == XC_CASE |
---|
992 | || $firstOp['opcode'] == XC_JMP && !empty($firstOp['jmpouts']) && $opcodes[$firstOp['jmpouts'][0]]['opcode'] == XC_CASE |
---|
993 | ) |
---|
994 | && !empty($lastOp['jmpouts']) |
---|
995 | ) { |
---|
996 | $cases = array(); |
---|
997 | $caseDefault = null; |
---|
998 | $caseOp = null; |
---|
999 | for ($i = $range[0]; $i <= $range[1]; ) { |
---|
1000 | $op = $opcodes[$i]; |
---|
1001 | if ($op['opcode'] == XC_CASE) { |
---|
1002 | if (!isset($caseOp)) { |
---|
1003 | $caseOp = $op; |
---|
1004 | } |
---|
1005 | $jmpz = $opcodes[$i + 1]; |
---|
1006 | assert('$jmpz["opcode"] == XC_JMPZ'); |
---|
1007 | $caseNext = $jmpz['jmpouts'][0]; |
---|
1008 | $cases[$i] = $caseNext - 1; |
---|
1009 | $i = $caseNext; |
---|
1010 | } |
---|
1011 | else if ($op['opcode'] == XC_JMP && $op['jmpouts'][0] >= $i) { |
---|
1012 | // default |
---|
1013 | $caseNext = $op['jmpouts'][0]; |
---|
1014 | $caseDefault = $i; |
---|
1015 | $cases[$i] = $caseNext - 1; |
---|
1016 | $i = $caseNext; |
---|
1017 | } |
---|
1018 | else { |
---|
1019 | ++$i; |
---|
1020 | } |
---|
1021 | } |
---|
1022 | |
---|
1023 | $this->beginComplexBlock($EX); |
---|
1024 | |
---|
1025 | echo $indent, 'switch (', str($this->getOpVal($caseOp['op1'], $EX), $EX), ") {", PHP_EOL; |
---|
1026 | $caseIsOut = false; |
---|
1027 | foreach ($cases as $caseFirst => $caseLast) { |
---|
1028 | if ($caseIsOut && empty($lastCaseFall)) { |
---|
1029 | echo PHP_EOL; |
---|
1030 | } |
---|
1031 | |
---|
1032 | $caseOp = $opcodes[$caseFirst]; |
---|
1033 | |
---|
1034 | echo $indent; |
---|
1035 | if ($caseOp['opcode'] == XC_CASE) { |
---|
1036 | echo 'case '; |
---|
1037 | echo str($this->getOpVal($caseOp['op2'], $EX), $EX); |
---|
1038 | echo ':', PHP_EOL; |
---|
1039 | |
---|
1040 | $this->removeJmpInfo($EX, $caseFirst); |
---|
1041 | ++$caseFirst; |
---|
1042 | |
---|
1043 | assert('$opcodes[$caseFirst]["opcode"] == XC_JMPZ'); |
---|
1044 | $this->removeJmpInfo($EX, $caseFirst); |
---|
1045 | ++$caseFirst; |
---|
1046 | } |
---|
1047 | else { |
---|
1048 | echo 'default'; |
---|
1049 | echo ':', PHP_EOL; |
---|
1050 | |
---|
1051 | assert('$opcodes[$caseFirst]["opcode"] == XC_JMP'); |
---|
1052 | $this->removeJmpInfo($EX, $caseFirst); |
---|
1053 | ++$caseFirst; |
---|
1054 | } |
---|
1055 | |
---|
1056 | assert('$opcodes[$caseLast]["opcode"] == XC_JMP'); |
---|
1057 | $this->removeJmpInfo($EX, $caseLast); |
---|
1058 | --$caseLast; |
---|
1059 | switch ($opcodes[$caseLast]['opcode']) { |
---|
1060 | case XC_BRK: |
---|
1061 | case XC_CONT: |
---|
1062 | case XC_GOTO: |
---|
1063 | $lastCaseFall = false; |
---|
1064 | break; |
---|
1065 | |
---|
1066 | default: |
---|
1067 | $lastCaseFall = true; |
---|
1068 | } |
---|
1069 | |
---|
1070 | $this->beginScope($EX); |
---|
1071 | $this->recognizeAndDecompileClosedBlocks($EX, array($caseFirst, $caseLast)); |
---|
1072 | $this->endScope($EX); |
---|
1073 | $caseIsOut = true; |
---|
1074 | } |
---|
1075 | echo $indent, '}', PHP_EOL; |
---|
1076 | |
---|
1077 | $this->endComplexBlock($EX); |
---|
1078 | return; |
---|
1079 | } |
---|
1080 | // }}} |
---|
1081 | // {{{ do/while |
---|
1082 | if ($lastOp['opcode'] == XC_JMPNZ && !empty($lastOp['jmpouts']) |
---|
1083 | && $lastOp['jmpouts'][0] == $range[0]) { |
---|
1084 | $this->removeJmpInfo($EX, $range[1]); |
---|
1085 | $this->beginComplexBlock($EX); |
---|
1086 | |
---|
1087 | echo $indent, "do {", PHP_EOL; |
---|
1088 | $this->beginScope($EX); |
---|
1089 | $this->recognizeAndDecompileClosedBlocks($EX, $range); |
---|
1090 | $this->endScope($EX); |
---|
1091 | echo $indent, "} while (", str($this->getOpVal($lastOp['op1'], $EX)), ');', PHP_EOL; |
---|
1092 | |
---|
1093 | $this->endComplexBlock($EX); |
---|
1094 | return; |
---|
1095 | } |
---|
1096 | // }}} |
---|
1097 | |
---|
1098 | // {{{ search firstJmpOp |
---|
1099 | $firstJmp = null; |
---|
1100 | $firstJmpOp = null; |
---|
1101 | for ($i = $range[0]; $i <= $range[1]; ++$i) { |
---|
1102 | if (!empty($opcodes[$i]['jmpouts'])) { |
---|
1103 | $firstJmp = $i; |
---|
1104 | $firstJmpOp = &$opcodes[$firstJmp]; |
---|
1105 | break; |
---|
1106 | } |
---|
1107 | } |
---|
1108 | // }}} |
---|
1109 | |
---|
1110 | // {{{ while |
---|
1111 | if (isset($firstJmpOp) |
---|
1112 | && $firstJmpOp['opcode'] == XC_JMPZ |
---|
1113 | && $firstJmpOp['jmpouts'][0] > $range[1] |
---|
1114 | && $lastOp['opcode'] == XC_JMP && !empty($lastOp['jmpouts']) |
---|
1115 | && $lastOp['jmpouts'][0] == $range[0]) { |
---|
1116 | $this->removeJmpInfo($EX, $firstJmp); |
---|
1117 | $this->removeJmpInfo($EX, $range[1]); |
---|
1118 | $this->beginComplexBlock($EX); |
---|
1119 | |
---|
1120 | ob_start(); |
---|
1121 | $this->beginScope($EX); |
---|
1122 | $this->recognizeAndDecompileClosedBlocks($EX, $range); |
---|
1123 | $this->endScope($EX); |
---|
1124 | $body = ob_get_clean(); |
---|
1125 | |
---|
1126 | echo $indent, 'while (', str($this->getOpVal($firstJmpOp['op1'], $EX)), ") {", PHP_EOL; |
---|
1127 | echo $body; |
---|
1128 | echo $indent, '}', PHP_EOL; |
---|
1129 | |
---|
1130 | $this->endComplexBlock($EX); |
---|
1131 | return; |
---|
1132 | } |
---|
1133 | // }}} |
---|
1134 | // {{{ foreach |
---|
1135 | if (isset($firstJmpOp) |
---|
1136 | && $firstJmpOp['opcode'] == XC_FE_FETCH |
---|
1137 | && $firstJmpOp['jmpouts'][0] > $range[1] |
---|
1138 | && $lastOp['opcode'] == XC_JMP && !empty($lastOp['jmpouts']) |
---|
1139 | && $lastOp['jmpouts'][0] == $firstJmp) { |
---|
1140 | $this->removeJmpInfo($EX, $firstJmp); |
---|
1141 | $this->removeJmpInfo($EX, $range[1]); |
---|
1142 | $this->beginComplexBlock($EX); |
---|
1143 | |
---|
1144 | ob_start(); |
---|
1145 | $this->beginScope($EX); |
---|
1146 | $this->recognizeAndDecompileClosedBlocks($EX, $range); |
---|
1147 | $this->endScope($EX); |
---|
1148 | $body = ob_get_clean(); |
---|
1149 | |
---|
1150 | $as = foldToCode($firstJmpOp['fe_as'], $EX); |
---|
1151 | if (isset($firstJmpOp['fe_key'])) { |
---|
1152 | $as = str($firstJmpOp['fe_key'], $EX) . ' => ' . str($as); |
---|
1153 | } |
---|
1154 | |
---|
1155 | echo $indent, 'foreach (', str($firstJmpOp['fe_src'], $EX), " as $as) {", PHP_EOL; |
---|
1156 | echo $body; |
---|
1157 | echo $indent, '}', PHP_EOL; |
---|
1158 | |
---|
1159 | $this->endComplexBlock($EX); |
---|
1160 | if ($opcodes[$range[1] + 1]['opcode'] == XC_SWITCH_FREE) { |
---|
1161 | $this->removeJmpInfo($EX, $range[1] + 1); |
---|
1162 | } |
---|
1163 | return; |
---|
1164 | } |
---|
1165 | // }}} |
---|
1166 | |
---|
1167 | $this->decompileBasicBlock($EX, $range, true); |
---|
1168 | } |
---|
1169 | // }}} |
---|
1170 | function recognizeAndDecompileClosedBlocks(&$EX, $range) // {{{ decompile in a tree way |
---|
1171 | { |
---|
1172 | $opcodes = &$EX['opcodes']; |
---|
1173 | |
---|
1174 | $starti = $range[0]; |
---|
1175 | for ($i = $starti; $i <= $range[1]; ) { |
---|
1176 | if (!empty($opcodes[$i]['jmpins']) || !empty($opcodes[$i]['jmpouts'])) { |
---|
1177 | $blockFirst = $i; |
---|
1178 | $blockLast = -1; |
---|
1179 | $j = $blockFirst; |
---|
1180 | do { |
---|
1181 | $op = $opcodes[$j]; |
---|
1182 | if (!empty($op['jmpins'])) { |
---|
1183 | // care about jumping from blocks behind, not before |
---|
1184 | foreach ($op['jmpins'] as $oplineNumber) { |
---|
1185 | if ($oplineNumber <= $range[1] && $blockLast < $oplineNumber) { |
---|
1186 | $blockLast = $oplineNumber; |
---|
1187 | } |
---|
1188 | } |
---|
1189 | } |
---|
1190 | if (!empty($op['jmpouts'])) { |
---|
1191 | $blockLast = max($blockLast, max($op['jmpouts']) - 1); |
---|
1192 | } |
---|
1193 | ++$j; |
---|
1194 | } while ($j <= $blockLast); |
---|
1195 | if (!assert('$blockLast <= $range[1]')) { |
---|
1196 | var_dump($blockLast, $range[1]); |
---|
1197 | } |
---|
1198 | |
---|
1199 | if ($blockLast >= $blockFirst) { |
---|
1200 | if ($blockFirst > $starti) { |
---|
1201 | $this->decompileBasicBlock($EX, array($starti, $blockFirst - 1)); |
---|
1202 | } |
---|
1203 | if ($this->decompileComplexBlock($EX, array($blockFirst, $blockLast)) === false) { |
---|
1204 | if ($EX['lastBlock'] == 'complex') { |
---|
1205 | echo PHP_EOL; |
---|
1206 | } |
---|
1207 | $EX['lastBlock'] = null; |
---|
1208 | } |
---|
1209 | $starti = $blockLast + 1; |
---|
1210 | $i = $starti; |
---|
1211 | } |
---|
1212 | else { |
---|
1213 | ++$i; |
---|
1214 | } |
---|
1215 | } |
---|
1216 | else { |
---|
1217 | ++$i; |
---|
1218 | } |
---|
1219 | } |
---|
1220 | if ($starti <= $range[1]) { |
---|
1221 | $this->decompileBasicBlock($EX, array($starti, $range[1])); |
---|
1222 | } |
---|
1223 | } |
---|
1224 | // }}} |
---|
1225 | function &dop_array($op_array, $indent = '') // {{{ |
---|
1226 | { |
---|
1227 | $op_array['opcodes'] = $this->fixOpcode($op_array['opcodes'], true, $indent == '' ? 1 : null); |
---|
1228 | $opcodes = &$op_array['opcodes']; |
---|
1229 | $last = count($opcodes) - 1; |
---|
1230 | // {{{ build jmpins/jmpouts to op_array |
---|
1231 | for ($i = 0; $i <= $last; $i ++) { |
---|
1232 | $op = &$opcodes[$i]; |
---|
1233 | $op['line'] = $i; |
---|
1234 | switch ($op['opcode']) { |
---|
1235 | case XC_CONT: |
---|
1236 | case XC_BRK: |
---|
1237 | $op['jmpouts'] = array(); |
---|
1238 | break; |
---|
1239 | |
---|
1240 | case XC_GOTO: |
---|
1241 | $target = $op['op1']['var']; |
---|
1242 | $op['goto'] = $target; |
---|
1243 | $opcodes[$target]['gofrom'][] = $i; |
---|
1244 | break; |
---|
1245 | |
---|
1246 | case XC_JMP: |
---|
1247 | $target = $op['op1']['var']; |
---|
1248 | $op['jmpouts'] = array($target); |
---|
1249 | $opcodes[$target]['jmpins'][] = $i; |
---|
1250 | break; |
---|
1251 | |
---|
1252 | case XC_JMPZNZ: |
---|
1253 | $jmpz = $op['op2']['opline_num']; |
---|
1254 | $jmpnz = $op['extended_value']; |
---|
1255 | $op['jmpouts'] = array($jmpz, $jmpnz); |
---|
1256 | $opcodes[$jmpz]['jmpins'][] = $i; |
---|
1257 | $opcodes[$jmpnz]['jmpins'][] = $i; |
---|
1258 | break; |
---|
1259 | |
---|
1260 | case XC_JMPZ: |
---|
1261 | case XC_JMPNZ: |
---|
1262 | case XC_JMPZ_EX: |
---|
1263 | case XC_JMPNZ_EX: |
---|
1264 | // case XC_JMP_SET: |
---|
1265 | // case XC_FE_RESET: |
---|
1266 | case XC_FE_FETCH: |
---|
1267 | // case XC_JMP_NO_CTOR: |
---|
1268 | $target = $op['op2']['opline_num']; |
---|
1269 | //if (!isset($target)) { |
---|
1270 | // $this->dumpop($op, $EX); |
---|
1271 | // var_dump($op); exit; |
---|
1272 | //} |
---|
1273 | $op['jmpouts'] = array($target); |
---|
1274 | $opcodes[$target]['jmpins'][] = $i; |
---|
1275 | break; |
---|
1276 | |
---|
1277 | /* |
---|
1278 | case XC_RETURN: |
---|
1279 | $op['jmpouts'] = array(); |
---|
1280 | break; |
---|
1281 | */ |
---|
1282 | |
---|
1283 | case XC_SWITCH_FREE: |
---|
1284 | $op['jmpouts'] = array($i + 1); |
---|
1285 | $opcodes[$i + 1]['jmpins'][] = $i; |
---|
1286 | break; |
---|
1287 | |
---|
1288 | case XC_CASE: |
---|
1289 | // just to link together |
---|
1290 | $op['jmpouts'] = array($i + 2); |
---|
1291 | $opcodes[$i + 2]['jmpins'][] = $i; |
---|
1292 | break; |
---|
1293 | |
---|
1294 | case XC_CATCH: |
---|
1295 | $catchNext = $op['extended_value']; |
---|
1296 | $op['jmpouts'] = array($catchNext); |
---|
1297 | $opcodes[$catchNext]['jmpins'][] = $i; |
---|
1298 | break; |
---|
1299 | } |
---|
1300 | /* |
---|
1301 | if (!empty($op['jmpouts']) || !empty($op['jmpins'])) { |
---|
1302 | echo $i, "\t", xcache_get_opcode($op['opcode']), PHP_EOL; |
---|
1303 | } |
---|
1304 | // */ |
---|
1305 | } |
---|
1306 | unset($op); |
---|
1307 | if ($op_array['try_catch_array']) { |
---|
1308 | foreach ($op_array['try_catch_array'] as $try_catch_element) { |
---|
1309 | $catch_op = $try_catch_element['catch_op']; |
---|
1310 | $try_op = $try_catch_element['try_op']; |
---|
1311 | $opcodes[$try_op]['jmpins'][] = $catch_op; |
---|
1312 | $opcodes[$catch_op]['jmpouts'][] = $try_op; |
---|
1313 | $opcodes[$catch_op]['isCatchBegin'] = true; |
---|
1314 | } |
---|
1315 | } |
---|
1316 | // }}} |
---|
1317 | // build semi-basic blocks |
---|
1318 | $nextbbs = array(); |
---|
1319 | $starti = 0; |
---|
1320 | for ($i = 1; $i <= $last; $i ++) { |
---|
1321 | if (isset($opcodes[$i]['jmpins']) |
---|
1322 | || isset($opcodes[$i - 1]['jmpouts'])) { |
---|
1323 | $nextbbs[$starti] = $i; |
---|
1324 | $starti = $i; |
---|
1325 | } |
---|
1326 | } |
---|
1327 | $nextbbs[$starti] = $last + 1; |
---|
1328 | |
---|
1329 | $EX = array(); |
---|
1330 | $EX['Ts'] = array(); |
---|
1331 | $EX['indent'] = $indent; |
---|
1332 | $EX['nextbbs'] = $nextbbs; |
---|
1333 | $EX['op_array'] = &$op_array; |
---|
1334 | $EX['opcodes'] = &$opcodes; |
---|
1335 | $EX['range'] = array(0, count($opcodes) - 1); |
---|
1336 | // func call |
---|
1337 | $EX['object'] = null; |
---|
1338 | $EX['called_scope'] = null; |
---|
1339 | $EX['fbc'] = null; |
---|
1340 | $EX['argstack'] = array(); |
---|
1341 | $EX['arg_types_stack'] = array(); |
---|
1342 | $EX['scopeStack'] = array(); |
---|
1343 | $EX['silence'] = 0; |
---|
1344 | $EX['recvs'] = array(); |
---|
1345 | $EX['uses'] = array(); |
---|
1346 | $EX['lastBlock'] = null; |
---|
1347 | |
---|
1348 | /* dump whole array |
---|
1349 | $this->keepTs = true; |
---|
1350 | $this->dasmBasicBlock($EX, $range); |
---|
1351 | for ($i = $range[0]; $i <= $range[1]; ++$i) { |
---|
1352 | echo $i, "\t", $this->dumpop($opcodes[$i], $EX); |
---|
1353 | } |
---|
1354 | // */ |
---|
1355 | // decompile in a tree way |
---|
1356 | $this->recognizeAndDecompileClosedBlocks($EX, $EX['range'], $EX['indent']); |
---|
1357 | return $EX; |
---|
1358 | } |
---|
1359 | // }}} |
---|
1360 | function dasmBasicBlock(&$EX, $range) // {{{ |
---|
1361 | { |
---|
1362 | $T = &$EX['Ts']; |
---|
1363 | $opcodes = &$EX['opcodes']; |
---|
1364 | $lastphpop = null; |
---|
1365 | |
---|
1366 | for ($i = $range[0]; $i <= $range[1]; $i ++) { |
---|
1367 | // {{{ prepair |
---|
1368 | $op = &$opcodes[$i]; |
---|
1369 | $opc = $op['opcode']; |
---|
1370 | if ($opc == XC_NOP) { |
---|
1371 | $this->usedOps[$opc] = true; |
---|
1372 | continue; |
---|
1373 | } |
---|
1374 | |
---|
1375 | $op1 = $op['op1']; |
---|
1376 | $op2 = $op['op2']; |
---|
1377 | $res = $op['result']; |
---|
1378 | $ext = $op['extended_value']; |
---|
1379 | |
---|
1380 | $opname = xcache_get_opcode($opc); |
---|
1381 | |
---|
1382 | if ($opname == 'UNDEF' || !isset($opname)) { |
---|
1383 | echo 'UNDEF OP:'; |
---|
1384 | $this->dumpop($op, $EX); |
---|
1385 | continue; |
---|
1386 | } |
---|
1387 | // echo $i, ' '; $this->dumpop($op, $EX); //var_dump($op); |
---|
1388 | |
---|
1389 | $resvar = null; |
---|
1390 | unset($curResVar); |
---|
1391 | if (array_key_exists($res['var'], $T)) { |
---|
1392 | $curResVar = &$T[$res['var']]; |
---|
1393 | } |
---|
1394 | if ((ZEND_ENGINE_2_4 ? ($res['op_type'] & EXT_TYPE_UNUSED) : ($res['EA.type'] & EXT_TYPE_UNUSED)) || $res['op_type'] == XC_IS_UNUSED) { |
---|
1395 | $istmpres = false; |
---|
1396 | } |
---|
1397 | else { |
---|
1398 | $istmpres = true; |
---|
1399 | } |
---|
1400 | // }}} |
---|
1401 | // echo $opname, "\n"; |
---|
1402 | |
---|
1403 | $notHandled = false; |
---|
1404 | switch ($opc) { |
---|
1405 | case XC_NEW: // {{{ |
---|
1406 | array_push($EX['arg_types_stack'], array($EX['fbc'], $EX['object'], $EX['called_scope'])); |
---|
1407 | $EX['object'] = (int) $res['var']; |
---|
1408 | $EX['called_scope'] = null; |
---|
1409 | $EX['fbc'] = 'new ' . unquoteName($this->getOpVal($op1, $EX), $EX); |
---|
1410 | break; |
---|
1411 | // }}} |
---|
1412 | case XC_THROW: // {{{ |
---|
1413 | $resvar = 'throw ' . str($this->getOpVal($op1, $EX)); |
---|
1414 | break; |
---|
1415 | // }}} |
---|
1416 | case XC_CLONE: // {{{ |
---|
1417 | $resvar = 'clone ' . str($this->getOpVal($op1, $EX)); |
---|
1418 | break; |
---|
1419 | // }}} |
---|
1420 | case XC_CATCH: // {{{ |
---|
1421 | break; |
---|
1422 | // }}} |
---|
1423 | case XC_INSTANCEOF: // {{{ |
---|
1424 | $resvar = str($this->getOpVal($op1, $EX)) . ' instanceof ' . str($this->getOpVal($op2, $EX)); |
---|
1425 | break; |
---|
1426 | // }}} |
---|
1427 | case XC_FETCH_CLASS: // {{{ |
---|
1428 | if ($op2['op_type'] == XC_IS_UNUSED) { |
---|
1429 | switch (($ext & (defined('ZEND_FETCH_CLASS_MASK') ? ZEND_FETCH_CLASS_MASK : 0xFF))) { |
---|
1430 | case ZEND_FETCH_CLASS_SELF: |
---|
1431 | $class = 'self'; |
---|
1432 | break; |
---|
1433 | case ZEND_FETCH_CLASS_PARENT: |
---|
1434 | $class = 'parent'; |
---|
1435 | break; |
---|
1436 | case ZEND_FETCH_CLASS_STATIC: |
---|
1437 | $class = 'static'; |
---|
1438 | break; |
---|
1439 | } |
---|
1440 | $istmpres = true; |
---|
1441 | } |
---|
1442 | else { |
---|
1443 | $class = $this->getOpVal($op2, $EX); |
---|
1444 | if (isset($op2['constant'])) { |
---|
1445 | $class = $this->stripNamespace(unquoteName($class)); |
---|
1446 | } |
---|
1447 | } |
---|
1448 | $resvar = $class; |
---|
1449 | break; |
---|
1450 | // }}} |
---|
1451 | case XC_FETCH_CONSTANT: // {{{ |
---|
1452 | if ($op1['op_type'] == XC_IS_UNUSED) { |
---|
1453 | $resvar = $this->stripNamespace($op2['constant']); |
---|
1454 | break; |
---|
1455 | } |
---|
1456 | |
---|
1457 | if ($op1['op_type'] == XC_IS_CONST) { |
---|
1458 | $resvar = $this->stripNamespace($op1['constant']); |
---|
1459 | } |
---|
1460 | else { |
---|
1461 | $resvar = $this->getOpVal($op1, $EX); |
---|
1462 | } |
---|
1463 | |
---|
1464 | $resvar = str($resvar) . '::' . unquoteName($this->getOpVal($op2, $EX)); |
---|
1465 | break; |
---|
1466 | // }}} |
---|
1467 | // {{{ case FETCH_* |
---|
1468 | case XC_FETCH_R: |
---|
1469 | case XC_FETCH_W: |
---|
1470 | case XC_FETCH_RW: |
---|
1471 | case XC_FETCH_FUNC_ARG: |
---|
1472 | case XC_FETCH_UNSET: |
---|
1473 | case XC_FETCH_IS: |
---|
1474 | case XC_UNSET_VAR: |
---|
1475 | $rvalue = $this->getOpVal($op1, $EX); |
---|
1476 | if (defined('ZEND_FETCH_TYPE_MASK')) { |
---|
1477 | $fetchtype = ($ext & ZEND_FETCH_TYPE_MASK); |
---|
1478 | } |
---|
1479 | else { |
---|
1480 | $fetchtype = $op2['EA.type']; |
---|
1481 | } |
---|
1482 | switch ($fetchtype) { |
---|
1483 | case ZEND_FETCH_STATIC_MEMBER: |
---|
1484 | $class = $this->getOpVal($op2, $EX); |
---|
1485 | $rvalue = str($class) . '::$' . unquoteName($rvalue, $EX); |
---|
1486 | break; |
---|
1487 | default: |
---|
1488 | $name = unquoteName($rvalue, $EX); |
---|
1489 | $globalname = xcache_is_autoglobal($name) ? "\$$name" : "\$GLOBALS[" . str($rvalue) . "]"; |
---|
1490 | $rvalue = new Decompiler_Fetch($rvalue, $fetchtype, $globalname); |
---|
1491 | break; |
---|
1492 | } |
---|
1493 | if ($opc == XC_UNSET_VAR) { |
---|
1494 | $op['php'] = "unset(" . str($rvalue, $EX) . ")"; |
---|
1495 | $lastphpop = &$op; |
---|
1496 | } |
---|
1497 | else if ($res['op_type'] != XC_IS_UNUSED) { |
---|
1498 | $resvar = $rvalue; |
---|
1499 | } |
---|
1500 | break; |
---|
1501 | // }}} |
---|
1502 | // {{{ case FETCH_DIM_* |
---|
1503 | case XC_FETCH_DIM_TMP_VAR: |
---|
1504 | case XC_FETCH_DIM_R: |
---|
1505 | case XC_FETCH_DIM_W: |
---|
1506 | case XC_FETCH_DIM_RW: |
---|
1507 | case XC_FETCH_DIM_FUNC_ARG: |
---|
1508 | case XC_FETCH_DIM_UNSET: |
---|
1509 | case XC_FETCH_DIM_IS: |
---|
1510 | case XC_ASSIGN_DIM: |
---|
1511 | case XC_UNSET_DIM_OBJ: // PHP 4 only |
---|
1512 | case XC_UNSET_DIM: |
---|
1513 | case XC_UNSET_OBJ: |
---|
1514 | $src = $this->getOpVal($op1, $EX); |
---|
1515 | if (is_a($src, "Decompiler_ForeachBox")) { |
---|
1516 | $src->iskey = $this->getOpVal($op2, $EX); |
---|
1517 | $resvar = $src; |
---|
1518 | break; |
---|
1519 | } |
---|
1520 | |
---|
1521 | if (is_a($src, "Decompiler_DimBox")) { |
---|
1522 | $dimbox = $src; |
---|
1523 | } |
---|
1524 | else { |
---|
1525 | if (!is_a($src, "Decompiler_ListBox")) { |
---|
1526 | $op1val = $this->getOpVal($op1, $EX); |
---|
1527 | $list = new Decompiler_List(isset($op1val) ? $op1val : '$this'); |
---|
1528 | |
---|
1529 | $src = new Decompiler_ListBox($list); |
---|
1530 | if (!isset($op1['var'])) { |
---|
1531 | $this->dumpop($op, $EX); |
---|
1532 | var_dump($op); |
---|
1533 | die('missing var'); |
---|
1534 | } |
---|
1535 | $T[$op1['var']] = $src; |
---|
1536 | unset($list); |
---|
1537 | } |
---|
1538 | $dim = new Decompiler_Dim($src); |
---|
1539 | $src->obj->dims[] = &$dim; |
---|
1540 | |
---|
1541 | $dimbox = new Decompiler_DimBox($dim); |
---|
1542 | } |
---|
1543 | $dim = &$dimbox->obj; |
---|
1544 | $dim->offsets[] = $this->getOpVal($op2, $EX); |
---|
1545 | /* TODO: use type mask */ |
---|
1546 | if ($ext == ZEND_FETCH_ADD_LOCK) { |
---|
1547 | $src->obj->everLocked = true; |
---|
1548 | } |
---|
1549 | else if ($ext == ZEND_FETCH_STANDARD) { |
---|
1550 | $dim->isLast = true; |
---|
1551 | } |
---|
1552 | if ($opc == XC_UNSET_OBJ) { |
---|
1553 | $dim->isObject = true; |
---|
1554 | } |
---|
1555 | unset($dim); |
---|
1556 | $rvalue = $dimbox; |
---|
1557 | unset($dimbox); |
---|
1558 | |
---|
1559 | if ($opc == XC_ASSIGN_DIM) { |
---|
1560 | $lvalue = $rvalue; |
---|
1561 | ++ $i; |
---|
1562 | $rvalue = $this->getOpVal($opcodes[$i]['op1'], $EX); |
---|
1563 | $resvar = str($lvalue, $EX) . ' = ' . str($rvalue); |
---|
1564 | } |
---|
1565 | else if ($opc == XC_UNSET_DIM || $opc == XC_UNSET_OBJ) { |
---|
1566 | $op['php'] = "unset(" . str($rvalue, $EX) . ")"; |
---|
1567 | $lastphpop = &$op; |
---|
1568 | } |
---|
1569 | else if ($res['op_type'] != XC_IS_UNUSED) { |
---|
1570 | $resvar = $rvalue; |
---|
1571 | } |
---|
1572 | break; |
---|
1573 | // }}} |
---|
1574 | case XC_ASSIGN: // {{{ |
---|
1575 | $lvalue = $this->getOpVal($op1, $EX); |
---|
1576 | $rvalue = $this->getOpVal($op2, $EX); |
---|
1577 | if (is_a($rvalue, 'Decompiler_ForeachBox')) { |
---|
1578 | $type = $rvalue->iskey ? 'fe_key' : 'fe_as'; |
---|
1579 | $rvalue->obj[$type] = $lvalue; |
---|
1580 | unset($T[$op2['var']]); |
---|
1581 | break; |
---|
1582 | } |
---|
1583 | if (is_a($rvalue, "Decompiler_DimBox")) { |
---|
1584 | $dim = &$rvalue->obj; |
---|
1585 | $dim->assign = $lvalue; |
---|
1586 | if ($dim->isLast) { |
---|
1587 | $resvar = foldToCode($dim->value, $EX); |
---|
1588 | } |
---|
1589 | unset($dim); |
---|
1590 | break; |
---|
1591 | } |
---|
1592 | if (is_a($rvalue, 'Decompiler_Fetch')) { |
---|
1593 | $src = str($rvalue->src, $EX); |
---|
1594 | if ('$' . unquoteName($src) == $lvalue) { |
---|
1595 | switch ($rvalue->fetchType) { |
---|
1596 | case ZEND_FETCH_STATIC: |
---|
1597 | $statics = &$EX['op_array']['static_variables']; |
---|
1598 | if ((xcache_get_type($statics[$name]) & IS_LEXICAL_VAR)) { |
---|
1599 | $EX['uses'][] = str($lvalue); |
---|
1600 | unset($statics); |
---|
1601 | break 2; |
---|
1602 | } |
---|
1603 | unset($statics); |
---|
1604 | } |
---|
1605 | } |
---|
1606 | } |
---|
1607 | $resvar = new Decompiler_Binop($this, $lvalue, XC_ASSIGN, $rvalue); |
---|
1608 | break; |
---|
1609 | // }}} |
---|
1610 | case XC_ASSIGN_REF: // {{{ |
---|
1611 | $lvalue = $this->getOpVal($op1, $EX); |
---|
1612 | $rvalue = $this->getOpVal($op2, $EX); |
---|
1613 | if (is_a($rvalue, 'Decompiler_Fetch')) { |
---|
1614 | $src = str($rvalue->src, $EX); |
---|
1615 | if ('$' . unquoteName($src) == $lvalue) { |
---|
1616 | switch ($rvalue->fetchType) { |
---|
1617 | case ZEND_FETCH_GLOBAL: |
---|
1618 | case ZEND_FETCH_GLOBAL_LOCK: |
---|
1619 | $resvar = 'global ' . $lvalue; |
---|
1620 | break 2; |
---|
1621 | case ZEND_FETCH_STATIC: |
---|
1622 | $statics = &$EX['op_array']['static_variables']; |
---|
1623 | if ((xcache_get_type($statics[$name]) & IS_LEXICAL_REF)) { |
---|
1624 | $EX['uses'][] = '&' . str($lvalue); |
---|
1625 | unset($statics); |
---|
1626 | break 2; |
---|
1627 | } |
---|
1628 | |
---|
1629 | $resvar = 'static ' . $lvalue; |
---|
1630 | $name = unquoteName($src); |
---|
1631 | if (isset($statics[$name])) { |
---|
1632 | $var = $statics[$name]; |
---|
1633 | $resvar .= ' = '; |
---|
1634 | $resvar .= str(value($var), $EX); |
---|
1635 | } |
---|
1636 | unset($statics); |
---|
1637 | break 2; |
---|
1638 | default: |
---|
1639 | } |
---|
1640 | } |
---|
1641 | } |
---|
1642 | // TODO: PHP_6 global |
---|
1643 | $resvar = new Decompiler_Binop($this, $lvalue, XC_ASSIGN_REF, $rvalue); |
---|
1644 | break; |
---|
1645 | // }}} |
---|
1646 | // {{{ case FETCH_OBJ_* |
---|
1647 | case XC_FETCH_OBJ_R: |
---|
1648 | case XC_FETCH_OBJ_W: |
---|
1649 | case XC_FETCH_OBJ_RW: |
---|
1650 | case XC_FETCH_OBJ_FUNC_ARG: |
---|
1651 | case XC_FETCH_OBJ_UNSET: |
---|
1652 | case XC_FETCH_OBJ_IS: |
---|
1653 | case XC_ASSIGN_OBJ: |
---|
1654 | $obj = $this->getOpVal($op1, $EX); |
---|
1655 | if (!isset($obj)) { |
---|
1656 | $obj = '$this'; |
---|
1657 | } |
---|
1658 | $rvalue = str($obj) . "->" . unquoteVariableName($this->getOpVal($op2, $EX), $EX); |
---|
1659 | if ($res['op_type'] != XC_IS_UNUSED) { |
---|
1660 | $resvar = $rvalue; |
---|
1661 | } |
---|
1662 | if ($opc == XC_ASSIGN_OBJ) { |
---|
1663 | ++ $i; |
---|
1664 | $lvalue = $rvalue; |
---|
1665 | $rvalue = $this->getOpVal($opcodes[$i]['op1'], $EX); |
---|
1666 | $resvar = "$lvalue = " . str($rvalue); |
---|
1667 | } |
---|
1668 | break; |
---|
1669 | // }}} |
---|
1670 | case XC_ISSET_ISEMPTY_DIM_OBJ: |
---|
1671 | case XC_ISSET_ISEMPTY_PROP_OBJ: |
---|
1672 | case XC_ISSET_ISEMPTY: |
---|
1673 | case XC_ISSET_ISEMPTY_VAR: // {{{ |
---|
1674 | if ($opc == XC_ISSET_ISEMPTY_VAR) { |
---|
1675 | $rvalue = $this->getOpVal($op1, $EX); |
---|
1676 | // for < PHP_5_3 |
---|
1677 | if ($op1['op_type'] == XC_IS_CONST) { |
---|
1678 | $rvalue = '$' . unquoteVariableName($this->getOpVal($op1, $EX)); |
---|
1679 | } |
---|
1680 | if (!ZEND_ENGINE_2_4 && $op2['EA.type'] == ZEND_FETCH_STATIC_MEMBER) { |
---|
1681 | $class = $this->getOpVal($op2, $EX); |
---|
1682 | $rvalue = $class . '::' . $rvalue; |
---|
1683 | } |
---|
1684 | } |
---|
1685 | else if ($opc == XC_ISSET_ISEMPTY) { |
---|
1686 | $rvalue = $this->getOpVal($op1, $EX); |
---|
1687 | } |
---|
1688 | else { |
---|
1689 | $container = $this->getOpVal($op1, $EX); |
---|
1690 | $dim = $this->getOpVal($op2, $EX); |
---|
1691 | if ($opc == XC_ISSET_ISEMPTY_PROP_OBJ) { |
---|
1692 | if (!isset($container)) { |
---|
1693 | $container = '$this'; |
---|
1694 | } |
---|
1695 | $rvalue = str($container, $EX) . "->" . unquoteVariableName($dim); |
---|
1696 | } |
---|
1697 | else { |
---|
1698 | $rvalue = str($container, $EX) . '[' . str($dim) .']'; |
---|
1699 | } |
---|
1700 | } |
---|
1701 | |
---|
1702 | /* TODO: use type mask */ |
---|
1703 | switch (($ext & ZEND_ISSET_ISEMPTY_MASK)) { |
---|
1704 | case ZEND_ISSET: |
---|
1705 | $rvalue = "isset(" . str($rvalue) . ")"; |
---|
1706 | break; |
---|
1707 | case ZEND_ISEMPTY: |
---|
1708 | $rvalue = "empty(" . str($rvalue) . ")"; |
---|
1709 | break; |
---|
1710 | } |
---|
1711 | $resvar = $rvalue; |
---|
1712 | break; |
---|
1713 | // }}} |
---|
1714 | case XC_SEND_VAR_NO_REF: |
---|
1715 | case XC_SEND_VAL: |
---|
1716 | case XC_SEND_REF: |
---|
1717 | case XC_SEND_VAR: // {{{ |
---|
1718 | $ref = ($opc == XC_SEND_REF ? '&' : ''); |
---|
1719 | $EX['argstack'][] = $ref . str($this->getOpVal($op1, $EX)); |
---|
1720 | break; |
---|
1721 | // }}} |
---|
1722 | case XC_INIT_STATIC_METHOD_CALL: |
---|
1723 | case XC_INIT_METHOD_CALL: // {{{ |
---|
1724 | array_push($EX['arg_types_stack'], array($EX['fbc'], $EX['object'], $EX['called_scope'])); |
---|
1725 | if ($opc == XC_INIT_STATIC_METHOD_CALL || $opc == XC_INIT_METHOD_CALL || $op1['op_type'] != XC_IS_UNUSED) { |
---|
1726 | $obj = $this->getOpVal($op1, $EX); |
---|
1727 | if (!isset($obj)) { |
---|
1728 | $obj = '$this'; |
---|
1729 | } |
---|
1730 | if ($opc == XC_INIT_STATIC_METHOD_CALL || /* PHP4 */ isset($op1['constant'])) { |
---|
1731 | $EX['object'] = null; |
---|
1732 | $EX['called_scope'] = $this->stripNamespace(unquoteName($obj, $EX)); |
---|
1733 | } |
---|
1734 | else { |
---|
1735 | $EX['object'] = $obj; |
---|
1736 | $EX['called_scope'] = null; |
---|
1737 | } |
---|
1738 | if ($res['op_type'] != XC_IS_UNUSED) { |
---|
1739 | $resvar = '$obj call$'; |
---|
1740 | } |
---|
1741 | } |
---|
1742 | else { |
---|
1743 | $EX['object'] = null; |
---|
1744 | $EX['called_scope'] = null; |
---|
1745 | } |
---|
1746 | |
---|
1747 | $EX['fbc'] = $this->getOpVal($op2, $EX); |
---|
1748 | if (($opc == XC_INIT_STATIC_METHOD_CALL || $opc == XC_INIT_METHOD_CALL) && !isset($EX['fbc'])) { |
---|
1749 | $EX['fbc'] = '__construct'; |
---|
1750 | } |
---|
1751 | break; |
---|
1752 | // }}} |
---|
1753 | case XC_INIT_NS_FCALL_BY_NAME: |
---|
1754 | case XC_INIT_FCALL_BY_NAME: // {{{ |
---|
1755 | array_push($EX['arg_types_stack'], array($EX['fbc'], $EX['object'], $EX['called_scope'])); |
---|
1756 | $EX['object'] = null; |
---|
1757 | $EX['called_scope'] = null; |
---|
1758 | $EX['fbc'] = $this->getOpVal($op2, $EX); |
---|
1759 | break; |
---|
1760 | // }}} |
---|
1761 | case XC_INIT_FCALL_BY_FUNC: // {{{ deprecated even in PHP 4? |
---|
1762 | $EX['object'] = null; |
---|
1763 | $EX['called_scope'] = null; |
---|
1764 | $which = $op1['var']; |
---|
1765 | $EX['fbc'] = $EX['op_array']['funcs'][$which]['name']; |
---|
1766 | break; |
---|
1767 | // }}} |
---|
1768 | case XC_DO_FCALL_BY_FUNC: |
---|
1769 | $which = $op1['var']; |
---|
1770 | $fname = $EX['op_array']['funcs'][$which]['name']; |
---|
1771 | $args = $this->popargs($EX, $ext); |
---|
1772 | $resvar = $fname . "($args)"; |
---|
1773 | break; |
---|
1774 | case XC_DO_FCALL: |
---|
1775 | $fname = unquoteName($this->getOpVal($op1, $EX), $EX); |
---|
1776 | $args = $this->popargs($EX, $ext); |
---|
1777 | $resvar = $fname . "($args)"; |
---|
1778 | break; |
---|
1779 | case XC_DO_FCALL_BY_NAME: // {{{ |
---|
1780 | $object = null; |
---|
1781 | |
---|
1782 | $fname = unquoteName($EX['fbc'], $EX); |
---|
1783 | if (!is_int($EX['object'])) { |
---|
1784 | $object = $EX['object']; |
---|
1785 | } |
---|
1786 | |
---|
1787 | $args = $this->popargs($EX, $ext); |
---|
1788 | |
---|
1789 | $prefix = (isset($object) ? $object . '->' : '' ) |
---|
1790 | . (isset($EX['called_scope']) ? $EX['called_scope'] . '::' : '' ); |
---|
1791 | $resvar = $prefix |
---|
1792 | . (!$prefix ? $this->stripNamespace($fname) : $fname) |
---|
1793 | . "($args)"; |
---|
1794 | unset($args); |
---|
1795 | |
---|
1796 | if (is_int($EX['object'])) { |
---|
1797 | $T[$EX['object']] = $resvar; |
---|
1798 | $resvar = null; |
---|
1799 | } |
---|
1800 | list($EX['fbc'], $EX['object'], $EX['called_scope']) = array_pop($EX['arg_types_stack']); |
---|
1801 | break; |
---|
1802 | // }}} |
---|
1803 | case XC_VERIFY_ABSTRACT_CLASS: // {{{ |
---|
1804 | //unset($T[$op1['var']]); |
---|
1805 | break; |
---|
1806 | // }}} |
---|
1807 | case XC_DECLARE_CLASS: |
---|
1808 | case XC_DECLARE_INHERITED_CLASS: |
---|
1809 | case XC_DECLARE_INHERITED_CLASS_DELAYED: // {{{ |
---|
1810 | $key = $op1['constant']; |
---|
1811 | if (!isset($this->dc['class_table'][$key])) { |
---|
1812 | echo 'class not found: ', $key, 'existing classes are:', "\n"; |
---|
1813 | var_dump(array_keys($this->dc['class_table'])); |
---|
1814 | exit; |
---|
1815 | } |
---|
1816 | $class = &$this->dc['class_table'][$key]; |
---|
1817 | if (!isset($class['name'])) { |
---|
1818 | $class['name'] = unquoteName($this->getOpVal($op2, $EX), $EX); |
---|
1819 | } |
---|
1820 | if ($opc == XC_DECLARE_INHERITED_CLASS || $opc == XC_DECLARE_INHERITED_CLASS_DELAYED) { |
---|
1821 | $ext /= XC_SIZEOF_TEMP_VARIABLE; |
---|
1822 | $class['parent'] = $T[$ext]; |
---|
1823 | unset($T[$ext]); |
---|
1824 | } |
---|
1825 | else { |
---|
1826 | $class['parent'] = null; |
---|
1827 | } |
---|
1828 | |
---|
1829 | for (;;) { |
---|
1830 | if ($i + 1 <= $range[1] |
---|
1831 | && $opcodes[$i + 1]['opcode'] == XC_ADD_INTERFACE |
---|
1832 | && $opcodes[$i + 1]['op1']['var'] == $res['var']) { |
---|
1833 | // continue |
---|
1834 | } |
---|
1835 | else if ($i + 2 <= $range[1] |
---|
1836 | && $opcodes[$i + 2]['opcode'] == XC_ADD_INTERFACE |
---|
1837 | && $opcodes[$i + 2]['op1']['var'] == $res['var'] |
---|
1838 | && $opcodes[$i + 1]['opcode'] == XC_FETCH_CLASS) { |
---|
1839 | // continue |
---|
1840 | } |
---|
1841 | else { |
---|
1842 | break; |
---|
1843 | } |
---|
1844 | $this->usedOps[XC_ADD_INTERFACE] = true; |
---|
1845 | |
---|
1846 | $fetchop = &$opcodes[$i + 1]; |
---|
1847 | $interface = $this->stripNamespace(unquoteName($this->getOpVal($fetchop['op2'], $EX), $EX)); |
---|
1848 | $addop = &$opcodes[$i + 2]; |
---|
1849 | $class['interfaces'][$addop['extended_value']] = $interface; |
---|
1850 | unset($fetchop, $addop); |
---|
1851 | $i += 2; |
---|
1852 | } |
---|
1853 | $this->dclass($class, $EX['indent']); |
---|
1854 | echo "\n"; |
---|
1855 | unset($class); |
---|
1856 | break; |
---|
1857 | // }}} |
---|
1858 | case XC_INIT_STRING: // {{{ |
---|
1859 | $resvar = "''"; |
---|
1860 | break; |
---|
1861 | // }}} |
---|
1862 | case XC_ADD_CHAR: |
---|
1863 | case XC_ADD_STRING: |
---|
1864 | case XC_ADD_VAR: // {{{ |
---|
1865 | $op1val = $this->getOpVal($op1, $EX); |
---|
1866 | $op2val = $this->getOpVal($op2, $EX); |
---|
1867 | switch ($opc) { |
---|
1868 | case XC_ADD_CHAR: |
---|
1869 | $op2val = value(chr(str($op2val))); |
---|
1870 | break; |
---|
1871 | case XC_ADD_STRING: |
---|
1872 | break; |
---|
1873 | case XC_ADD_VAR: |
---|
1874 | break; |
---|
1875 | } |
---|
1876 | if (str($op1val) == "''") { |
---|
1877 | $rvalue = $op2val; |
---|
1878 | } |
---|
1879 | else if (str($op2val) == "''") { |
---|
1880 | $rvalue = $op1val; |
---|
1881 | } |
---|
1882 | else { |
---|
1883 | $rvalue = str($op1val) . ' . ' . str($op2val); |
---|
1884 | } |
---|
1885 | $resvar = $rvalue; |
---|
1886 | // }}} |
---|
1887 | break; |
---|
1888 | case XC_PRINT: // {{{ |
---|
1889 | $op1val = $this->getOpVal($op1, $EX); |
---|
1890 | $resvar = "print(" . str($op1val) . ")"; |
---|
1891 | break; |
---|
1892 | // }}} |
---|
1893 | case XC_ECHO: // {{{ |
---|
1894 | $op1val = $this->getOpVal($op1, $EX); |
---|
1895 | $resvar = "echo " . str($op1val); |
---|
1896 | break; |
---|
1897 | // }}} |
---|
1898 | case XC_EXIT: // {{{ |
---|
1899 | $op1val = $this->getOpVal($op1, $EX); |
---|
1900 | $resvar = "exit($op1val)"; |
---|
1901 | break; |
---|
1902 | // }}} |
---|
1903 | case XC_INIT_ARRAY: |
---|
1904 | case XC_ADD_ARRAY_ELEMENT: // {{{ |
---|
1905 | $rvalue = $this->getOpVal($op1, $EX, true); |
---|
1906 | |
---|
1907 | if ($opc == XC_ADD_ARRAY_ELEMENT) { |
---|
1908 | $assoc = $this->getOpVal($op2, $EX); |
---|
1909 | if (isset($assoc)) { |
---|
1910 | $curResVar->value[] = array($assoc, $rvalue); |
---|
1911 | } |
---|
1912 | else { |
---|
1913 | $curResVar->value[] = array(null, $rvalue); |
---|
1914 | } |
---|
1915 | } |
---|
1916 | else { |
---|
1917 | if ($opc == XC_INIT_ARRAY) { |
---|
1918 | $resvar = new Decompiler_Array(); |
---|
1919 | if (!isset($rvalue)) { |
---|
1920 | continue; |
---|
1921 | } |
---|
1922 | } |
---|
1923 | |
---|
1924 | $assoc = $this->getOpVal($op2, $EX); |
---|
1925 | if (isset($assoc)) { |
---|
1926 | $resvar->value[] = array($assoc, $rvalue); |
---|
1927 | } |
---|
1928 | else { |
---|
1929 | $resvar->value[] = array(null, $rvalue); |
---|
1930 | } |
---|
1931 | } |
---|
1932 | break; |
---|
1933 | // }}} |
---|
1934 | case XC_QM_ASSIGN: |
---|
1935 | case XC_QM_ASSIGN_VAR: // {{{ |
---|
1936 | if (isset($curResVar) && is_a($curResVar, 'Decompiler_Binop')) { |
---|
1937 | $curResVar->op2 = $this->getOpVal($op1, $EX); |
---|
1938 | } |
---|
1939 | else { |
---|
1940 | $resvar = $this->getOpVal($op1, $EX); |
---|
1941 | } |
---|
1942 | break; |
---|
1943 | // }}} |
---|
1944 | case XC_BOOL: // {{{ |
---|
1945 | $resvar = /*'(bool) ' .*/ $this->getOpVal($op1, $EX); |
---|
1946 | break; |
---|
1947 | // }}} |
---|
1948 | case XC_RETURN: // {{{ |
---|
1949 | $resvar = "return " . str($this->getOpVal($op1, $EX)); |
---|
1950 | break; |
---|
1951 | // }}} |
---|
1952 | case XC_INCLUDE_OR_EVAL: // {{{ |
---|
1953 | $type = $op2['var']; // hack |
---|
1954 | $keyword = $this->includeTypes[$type]; |
---|
1955 | $resvar = "$keyword " . str($this->getOpVal($op1, $EX)); |
---|
1956 | break; |
---|
1957 | // }}} |
---|
1958 | case XC_FE_RESET: // {{{ |
---|
1959 | $resvar = $this->getOpVal($op1, $EX); |
---|
1960 | break; |
---|
1961 | // }}} |
---|
1962 | case XC_FE_FETCH: // {{{ |
---|
1963 | $op['fe_src'] = $this->getOpVal($op1, $EX, true); |
---|
1964 | $fe = new Decompiler_ForeachBox($op); |
---|
1965 | $fe->iskey = false; |
---|
1966 | $T[$res['var']] = $fe; |
---|
1967 | |
---|
1968 | ++ $i; |
---|
1969 | if (($ext & ZEND_FE_FETCH_WITH_KEY)) { |
---|
1970 | $fe = new Decompiler_ForeachBox($op); |
---|
1971 | $fe->iskey = true; |
---|
1972 | |
---|
1973 | $res = $opcodes[$i]['result']; |
---|
1974 | $T[$res['var']] = $fe; |
---|
1975 | } |
---|
1976 | break; |
---|
1977 | // }}} |
---|
1978 | case XC_SWITCH_FREE: // {{{ |
---|
1979 | break; |
---|
1980 | // }}} |
---|
1981 | case XC_FREE: // {{{ |
---|
1982 | $free = $T[$op1['var']]; |
---|
1983 | if (!is_a($free, 'Decompiler_Array') && !is_a($free, 'Decompiler_Box')) { |
---|
1984 | $op['php'] = is_object($free) ? $free : $this->unquote($free, '(', ')'); |
---|
1985 | $lastphpop = &$op; |
---|
1986 | } |
---|
1987 | unset($T[$op1['var']], $free); |
---|
1988 | break; |
---|
1989 | // }}} |
---|
1990 | case XC_JMP_NO_CTOR: |
---|
1991 | break; |
---|
1992 | case XC_JMP_SET: // ?: |
---|
1993 | $resvar = new Decompiler_Binop($this, $this->getOpVal($op1, $EX), XC_JMP_SET, null); |
---|
1994 | break; |
---|
1995 | case XC_JMPZ_EX: // and |
---|
1996 | case XC_JMPNZ_EX: // or |
---|
1997 | $resvar = $this->getOpVal($op1, $EX); |
---|
1998 | break; |
---|
1999 | |
---|
2000 | case XC_JMPNZ: // while |
---|
2001 | case XC_JMPZNZ: // for |
---|
2002 | case XC_JMPZ: // {{{ |
---|
2003 | break; |
---|
2004 | // }}} |
---|
2005 | case XC_CONT: |
---|
2006 | case XC_BRK: |
---|
2007 | $resvar = $opc == XC_CONT ? 'continue' : 'break'; |
---|
2008 | $count = str($this->getOpVal($op2, $EX)); |
---|
2009 | if ($count != '1') { |
---|
2010 | $resvar .= ' ' . $count; |
---|
2011 | } |
---|
2012 | break; |
---|
2013 | case XC_GOTO: |
---|
2014 | $resvar = 'goto label' . $op['op1']['var']; |
---|
2015 | $istmpres = false; |
---|
2016 | break; |
---|
2017 | |
---|
2018 | case XC_JMP: // {{{ |
---|
2019 | break; |
---|
2020 | // }}} |
---|
2021 | case XC_CASE: |
---|
2022 | // $switchValue = $this->getOpVal($op1, $EX); |
---|
2023 | $caseValue = $this->getOpVal($op2, $EX); |
---|
2024 | $resvar = $caseValue; |
---|
2025 | break; |
---|
2026 | case XC_RECV_INIT: |
---|
2027 | case XC_RECV: |
---|
2028 | $offset = $op1['var']; |
---|
2029 | $lvalue = $this->getOpVal($op['result'], $EX); |
---|
2030 | if ($opc == XC_RECV_INIT) { |
---|
2031 | $default = value($op['op2']['constant']); |
---|
2032 | } |
---|
2033 | else { |
---|
2034 | $default = null; |
---|
2035 | } |
---|
2036 | $EX['recvs'][$offset] = array($lvalue, $default); |
---|
2037 | break; |
---|
2038 | case XC_POST_DEC: |
---|
2039 | case XC_POST_INC: |
---|
2040 | case XC_POST_DEC_OBJ: |
---|
2041 | case XC_POST_INC_OBJ: |
---|
2042 | case XC_PRE_DEC: |
---|
2043 | case XC_PRE_INC: |
---|
2044 | case XC_PRE_DEC_OBJ: |
---|
2045 | case XC_PRE_INC_OBJ: // {{{ |
---|
2046 | $flags = array_flip(explode('_', $opname)); |
---|
2047 | if (isset($flags['OBJ'])) { |
---|
2048 | $resvar = $this->getOpVal($op1, $EX) . '->' . unquoteVariableName($this->getOpVal($op2, $EX), $EX); |
---|
2049 | } |
---|
2050 | else { |
---|
2051 | $resvar = $this->getOpVal($op1, $EX); |
---|
2052 | } |
---|
2053 | $opstr = isset($flags['DEC']) ? '--' : '++'; |
---|
2054 | if (isset($flags['POST'])) { |
---|
2055 | $resvar .= $opstr; |
---|
2056 | } |
---|
2057 | else { |
---|
2058 | $resvar = "$opstr$resvar"; |
---|
2059 | } |
---|
2060 | break; |
---|
2061 | // }}} |
---|
2062 | |
---|
2063 | case XC_BEGIN_SILENCE: // {{{ |
---|
2064 | $EX['silence'] ++; |
---|
2065 | break; |
---|
2066 | // }}} |
---|
2067 | case XC_END_SILENCE: // {{{ |
---|
2068 | $EX['silence'] --; |
---|
2069 | $lastresvar = '@' . str($lastresvar, $EX); |
---|
2070 | break; |
---|
2071 | // }}} |
---|
2072 | case XC_CAST: // {{{ |
---|
2073 | $type = $ext; |
---|
2074 | static $type2cast = array( |
---|
2075 | IS_LONG => '(int)', |
---|
2076 | IS_DOUBLE => '(double)', |
---|
2077 | IS_STRING => '(string)', |
---|
2078 | IS_ARRAY => '(array)', |
---|
2079 | IS_OBJECT => '(object)', |
---|
2080 | IS_BOOL => '(bool)', |
---|
2081 | IS_NULL => '(unset)', |
---|
2082 | ); |
---|
2083 | assert(isset($type2cast[$type])); |
---|
2084 | $cast = $type2cast[$type]; |
---|
2085 | $resvar = $cast . ' ' . $this->getOpVal($op1, $EX); |
---|
2086 | break; |
---|
2087 | // }}} |
---|
2088 | case XC_EXT_STMT: |
---|
2089 | case XC_EXT_FCALL_BEGIN: |
---|
2090 | case XC_EXT_FCALL_END: |
---|
2091 | case XC_EXT_NOP: |
---|
2092 | break; |
---|
2093 | case XC_DECLARE_FUNCTION: |
---|
2094 | $this->dfunction($this->dc['function_table'][$op1['constant']], $EX['indent']); |
---|
2095 | break; |
---|
2096 | case XC_DECLARE_LAMBDA_FUNCTION: // {{{ |
---|
2097 | ob_start(); |
---|
2098 | $this->dfunction($this->dc['function_table'][$op1['constant']], $EX['indent']); |
---|
2099 | $resvar = ob_get_clean(); |
---|
2100 | $istmpres = true; |
---|
2101 | break; |
---|
2102 | // }}} |
---|
2103 | case XC_DECLARE_CONST: |
---|
2104 | $name = $this->stripNamespace(unquoteName($this->getOpVal($op1, $EX), $EX)); |
---|
2105 | $value = str($this->getOpVal($op2, $EX)); |
---|
2106 | $resvar = 'const ' . $name . ' = ' . $value; |
---|
2107 | break; |
---|
2108 | case XC_DECLARE_FUNCTION_OR_CLASS: |
---|
2109 | /* always removed by compiler */ |
---|
2110 | break; |
---|
2111 | case XC_TICKS: |
---|
2112 | $lastphpop['ticks'] = $this->getOpVal($op1, $EX); |
---|
2113 | // $EX['tickschanged'] = true; |
---|
2114 | break; |
---|
2115 | case XC_RAISE_ABSTRACT_ERROR: |
---|
2116 | // abstract function body is empty, don't need this code |
---|
2117 | break; |
---|
2118 | case XC_USER_OPCODE: |
---|
2119 | echo '// ZEND_USER_OPCODE, impossible to decompile'; |
---|
2120 | break; |
---|
2121 | case XC_OP_DATA: |
---|
2122 | break; |
---|
2123 | default: // {{{ |
---|
2124 | $call = array(&$this, $opname); |
---|
2125 | if (is_callable($call)) { |
---|
2126 | $this->usedOps[$opc] = true; |
---|
2127 | $this->{$opname}($op, $EX); |
---|
2128 | } |
---|
2129 | else if (isset($this->binops[$opc])) { // {{{ |
---|
2130 | $this->usedOps[$opc] = true; |
---|
2131 | $op1val = $this->getOpVal($op1, $EX); |
---|
2132 | $op2val = $this->getOpVal($op2, $EX); |
---|
2133 | $rvalue = new Decompiler_Binop($this, $op1val, $opc, $op2val); |
---|
2134 | $resvar = $rvalue; |
---|
2135 | // }}} |
---|
2136 | } |
---|
2137 | else if (isset($this->unaryops[$opc])) { // {{{ |
---|
2138 | $this->usedOps[$opc] = true; |
---|
2139 | $op1val = $this->getOpVal($op1, $EX); |
---|
2140 | $myop = $this->unaryops[$opc]; |
---|
2141 | $rvalue = $myop . str($op1val); |
---|
2142 | $resvar = $rvalue; |
---|
2143 | // }}} |
---|
2144 | } |
---|
2145 | else { |
---|
2146 | $notHandled = true; |
---|
2147 | } |
---|
2148 | // }}} |
---|
2149 | } |
---|
2150 | if ($notHandled) { |
---|
2151 | echo "\x1B[31m * TODO ", $opname, "\x1B[0m\n"; |
---|
2152 | } |
---|
2153 | else { |
---|
2154 | $this->usedOps[$opc] = true; |
---|
2155 | } |
---|
2156 | |
---|
2157 | if (isset($resvar)) { |
---|
2158 | if ($istmpres) { |
---|
2159 | $T[$res['var']] = $resvar; |
---|
2160 | $lastresvar = &$T[$res['var']]; |
---|
2161 | } |
---|
2162 | else { |
---|
2163 | $op['php'] = $resvar; |
---|
2164 | $lastphpop = &$op; |
---|
2165 | $lastresvar = &$op['php']; |
---|
2166 | } |
---|
2167 | } |
---|
2168 | } |
---|
2169 | return $T; |
---|
2170 | } |
---|
2171 | // }}} |
---|
2172 | function unquote($str, $st, $ed) // {{{ |
---|
2173 | { |
---|
2174 | $l1 = strlen($st); |
---|
2175 | $l2 = strlen($ed); |
---|
2176 | if (substr($str, 0, $l1) === $st && substr($str, -$l2) === $ed) { |
---|
2177 | $str = substr($str, $l1, -$l2); |
---|
2178 | } |
---|
2179 | return $str; |
---|
2180 | } |
---|
2181 | // }}} |
---|
2182 | function popargs(&$EX, $n) // {{{ |
---|
2183 | { |
---|
2184 | $args = array(); |
---|
2185 | for ($i = 0; $i < $n; $i ++) { |
---|
2186 | $a = array_pop($EX['argstack']); |
---|
2187 | if (is_array($a)) { |
---|
2188 | array_unshift($args, foldToCode($a, $EX)); |
---|
2189 | } |
---|
2190 | else { |
---|
2191 | array_unshift($args, $a); |
---|
2192 | } |
---|
2193 | } |
---|
2194 | return implode(', ', $args); |
---|
2195 | } |
---|
2196 | // }}} |
---|
2197 | function dumpop($op, &$EX) // {{{ |
---|
2198 | { |
---|
2199 | assert('isset($op)'); |
---|
2200 | $op1 = $op['op1']; |
---|
2201 | $op2 = $op['op2']; |
---|
2202 | $d = array(xcache_get_opcode($op['opcode']), $op['opcode']); |
---|
2203 | |
---|
2204 | foreach (array('op1' => '1:', 'op2' => '2:', 'result' => '>') as $k => $kk) { |
---|
2205 | switch ($op[$k]['op_type']) { |
---|
2206 | case XC_IS_UNUSED: |
---|
2207 | $d[$kk] = 'U:' . $op[$k]['opline_num']; |
---|
2208 | break; |
---|
2209 | |
---|
2210 | case XC_IS_VAR: |
---|
2211 | $d[$kk] = '$' . $op[$k]['var']; |
---|
2212 | if ($k != 'result') { |
---|
2213 | $d[$kk] .= ':' . str($this->getOpVal($op[$k], $EX)); |
---|
2214 | } |
---|
2215 | break; |
---|
2216 | |
---|
2217 | case XC_IS_TMP_VAR: |
---|
2218 | $d[$kk] = '#' . $op[$k]['var']; |
---|
2219 | if ($k != 'result') { |
---|
2220 | $d[$kk] .= ':' . str($this->getOpVal($op[$k], $EX)); |
---|
2221 | } |
---|
2222 | break; |
---|
2223 | |
---|
2224 | case XC_IS_CV: |
---|
2225 | $d[$kk] = $this->getOpVal($op[$k], $EX); |
---|
2226 | break; |
---|
2227 | |
---|
2228 | default: |
---|
2229 | if ($k == 'result') { |
---|
2230 | var_dump($op); |
---|
2231 | assert(0); |
---|
2232 | exit; |
---|
2233 | } |
---|
2234 | else { |
---|
2235 | $d[$kk] = $this->getOpVal($op[$k], $EX); |
---|
2236 | } |
---|
2237 | } |
---|
2238 | } |
---|
2239 | $d[';'] = $op['extended_value']; |
---|
2240 | if (!empty($op['jmpouts'])) { |
---|
2241 | $d['>>'] = implode(',', $op['jmpouts']); |
---|
2242 | } |
---|
2243 | if (!empty($op['jmpins'])) { |
---|
2244 | $d['<<'] = implode(',', $op['jmpins']); |
---|
2245 | } |
---|
2246 | |
---|
2247 | foreach ($d as $k => $v) { |
---|
2248 | echo is_int($k) ? '' : $k, str($v), "\t"; |
---|
2249 | } |
---|
2250 | echo PHP_EOL; |
---|
2251 | } |
---|
2252 | // }}} |
---|
2253 | function dumpRange(&$EX, $range) // {{{ |
---|
2254 | { |
---|
2255 | for ($i = $range[0]; $i <= $range[1]; ++$i) { |
---|
2256 | echo $EX['indent'], $i, "\t"; $this->dumpop($EX['opcodes'][$i], $EX); |
---|
2257 | } |
---|
2258 | echo $EX['indent'], "==", PHP_EOL; |
---|
2259 | } |
---|
2260 | // }}} |
---|
2261 | function dargs(&$EX) // {{{ |
---|
2262 | { |
---|
2263 | $op_array = &$EX['op_array']; |
---|
2264 | |
---|
2265 | if (isset($op_array['num_args'])) { |
---|
2266 | $c = $op_array['num_args']; |
---|
2267 | } |
---|
2268 | else if (!empty($op_array['arg_types'])) { |
---|
2269 | $c = count($op_array['arg_types']); |
---|
2270 | } |
---|
2271 | else { |
---|
2272 | // php4 |
---|
2273 | $c = count($EX['recvs']); |
---|
2274 | } |
---|
2275 | |
---|
2276 | $refrest = false; |
---|
2277 | for ($i = 0; $i < $c; $i ++) { |
---|
2278 | if ($i) { |
---|
2279 | echo ', '; |
---|
2280 | } |
---|
2281 | $arg = $EX['recvs'][$i + 1]; |
---|
2282 | if (isset($op_array['arg_info'])) { |
---|
2283 | $ai = $op_array['arg_info'][$i]; |
---|
2284 | if (isset($ai['type_hint']) ? ($ai['type_hint'] == IS_CALLABLE || $ai['type_hint'] == IS_OBJECT) : !empty($ai['class_name'])) { |
---|
2285 | echo $this->stripNamespace($ai['class_name']), ' '; |
---|
2286 | if (!ZEND_ENGINE_2_2 && $ai['allow_null']) { |
---|
2287 | echo 'or NULL '; |
---|
2288 | } |
---|
2289 | } |
---|
2290 | else if (isset($ai['type_hint']) ? $ai['type_hint'] == IS_ARRAY : !empty($ai['array_type_hint'])) { |
---|
2291 | echo 'array '; |
---|
2292 | if (!ZEND_ENGINE_2_2 && $ai['allow_null']) { |
---|
2293 | echo 'or NULL '; |
---|
2294 | } |
---|
2295 | } |
---|
2296 | if ($ai['pass_by_reference']) { |
---|
2297 | echo '&'; |
---|
2298 | } |
---|
2299 | printf("\$%s", $ai['name']); |
---|
2300 | } |
---|
2301 | else { |
---|
2302 | if ($refrest) { |
---|
2303 | echo '&'; |
---|
2304 | } |
---|
2305 | else if (!empty($op_array['arg_types']) && isset($op_array['arg_types'][$i])) { |
---|
2306 | switch ($op_array['arg_types'][$i]) { |
---|
2307 | case BYREF_FORCE_REST: |
---|
2308 | $refrest = true; |
---|
2309 | /* fall */ |
---|
2310 | case BYREF_FORCE: |
---|
2311 | echo '&'; |
---|
2312 | break; |
---|
2313 | |
---|
2314 | case BYREF_NONE: |
---|
2315 | case BYREF_ALLOW: |
---|
2316 | break; |
---|
2317 | default: |
---|
2318 | assert(0); |
---|
2319 | } |
---|
2320 | } |
---|
2321 | echo str($arg[0], $EX); |
---|
2322 | } |
---|
2323 | if (isset($arg[1])) { |
---|
2324 | echo ' = ', str($arg[1], $EX); |
---|
2325 | } |
---|
2326 | } |
---|
2327 | } |
---|
2328 | // }}} |
---|
2329 | function duses(&$EX) // {{{ |
---|
2330 | { |
---|
2331 | if ($EX['uses']) { |
---|
2332 | echo ' use(', implode(', ', $EX['uses']), ')'; |
---|
2333 | } |
---|
2334 | } |
---|
2335 | // }}} |
---|
2336 | function dfunction($func, $indent = '', $decorations = array(), $nobody = false) // {{{ |
---|
2337 | { |
---|
2338 | $this->detectNamespace($func['op_array']['function_name']); |
---|
2339 | |
---|
2340 | if ($nobody) { |
---|
2341 | $EX = array(); |
---|
2342 | $EX['op_array'] = &$func['op_array']; |
---|
2343 | $EX['recvs'] = array(); |
---|
2344 | $EX['uses'] = array(); |
---|
2345 | } |
---|
2346 | else { |
---|
2347 | ob_start(); |
---|
2348 | $EX = &$this->dop_array($func['op_array'], $indent . INDENT); |
---|
2349 | $body = ob_get_clean(); |
---|
2350 | } |
---|
2351 | |
---|
2352 | $functionName = $this->stripNamespace($func['op_array']['function_name']); |
---|
2353 | $isExpression = false; |
---|
2354 | if ($functionName == '{closure}') { |
---|
2355 | $functionName = ''; |
---|
2356 | $isExpression = true; |
---|
2357 | } |
---|
2358 | echo $isExpression ? '' : $indent; |
---|
2359 | if ($decorations) { |
---|
2360 | echo implode(' ', $decorations), ' '; |
---|
2361 | } |
---|
2362 | echo 'function', $functionName ? ' ' . $functionName : '', '('; |
---|
2363 | $this->dargs($EX); |
---|
2364 | echo ")"; |
---|
2365 | $this->duses($EX); |
---|
2366 | if ($nobody) { |
---|
2367 | echo ";\n"; |
---|
2368 | } |
---|
2369 | else { |
---|
2370 | if (!$isExpression) { |
---|
2371 | echo "\n"; |
---|
2372 | echo $indent, "{\n"; |
---|
2373 | } |
---|
2374 | else { |
---|
2375 | echo " {\n"; |
---|
2376 | } |
---|
2377 | |
---|
2378 | echo $body; |
---|
2379 | echo "$indent}"; |
---|
2380 | if (!$isExpression) { |
---|
2381 | echo "\n"; |
---|
2382 | } |
---|
2383 | } |
---|
2384 | } |
---|
2385 | // }}} |
---|
2386 | function dclass($class, $indent = '') // {{{ |
---|
2387 | { |
---|
2388 | $this->detectNamespace($class['name']); |
---|
2389 | |
---|
2390 | // {{{ class decl |
---|
2391 | if (!empty($class['doc_comment'])) { |
---|
2392 | echo $indent; |
---|
2393 | echo $class['doc_comment']; |
---|
2394 | echo "\n"; |
---|
2395 | } |
---|
2396 | $isInterface = false; |
---|
2397 | $decorations = array(); |
---|
2398 | if (!empty($class['ce_flags'])) { |
---|
2399 | if ($class['ce_flags'] & ZEND_ACC_INTERFACE) { |
---|
2400 | $isInterface = true; |
---|
2401 | } |
---|
2402 | else { |
---|
2403 | if ($class['ce_flags'] & ZEND_ACC_IMPLICIT_ABSTRACT_CLASS) { |
---|
2404 | $decorations[] = "abstract"; |
---|
2405 | } |
---|
2406 | if ($class['ce_flags'] & ZEND_ACC_FINAL_CLASS) { |
---|
2407 | $decorations[] = "final"; |
---|
2408 | } |
---|
2409 | } |
---|
2410 | } |
---|
2411 | |
---|
2412 | echo $indent; |
---|
2413 | if ($decorations) { |
---|
2414 | echo implode(' ', $decorations), ' '; |
---|
2415 | } |
---|
2416 | echo $isInterface ? 'interface ' : 'class ', $this->stripNamespace($class['name']); |
---|
2417 | if ($class['parent']) { |
---|
2418 | echo ' extends ', $class['parent']; |
---|
2419 | } |
---|
2420 | /* TODO */ |
---|
2421 | if (!empty($class['interfaces'])) { |
---|
2422 | echo ' implements '; |
---|
2423 | echo implode(', ', $class['interfaces']); |
---|
2424 | } |
---|
2425 | echo "\n"; |
---|
2426 | echo $indent, "{"; |
---|
2427 | // }}} |
---|
2428 | $newindent = INDENT . $indent; |
---|
2429 | // {{{ const, static |
---|
2430 | foreach (array('constants_table' => 'const ' |
---|
2431 | , 'static_members' => 'static $') as $type => $prefix) { |
---|
2432 | if (!empty($class[$type])) { |
---|
2433 | echo "\n"; |
---|
2434 | // TODO: skip shadow? |
---|
2435 | foreach ($class[$type] as $name => $v) { |
---|
2436 | echo $newindent; |
---|
2437 | echo $prefix, $name, ' = '; |
---|
2438 | echo str(value($v), $newindent); |
---|
2439 | echo ";\n"; |
---|
2440 | } |
---|
2441 | } |
---|
2442 | } |
---|
2443 | // }}} |
---|
2444 | // {{{ properties |
---|
2445 | $member_variables = isset($class['properties_info']) ? $class['properties_info'] : ($class['default_static_members'] + $class['default_properties']); |
---|
2446 | if ($member_variables) { |
---|
2447 | echo "\n"; |
---|
2448 | $infos = !empty($class['properties_info']) ? $class['properties_info'] : null; |
---|
2449 | foreach ($member_variables as $name => $dummy) { |
---|
2450 | $info = (isset($infos) && isset($infos[$name])) ? $infos[$name] : null; |
---|
2451 | if (isset($info)) { |
---|
2452 | if (!empty($info['doc_comment'])) { |
---|
2453 | echo $newindent; |
---|
2454 | echo $info['doc_comment']; |
---|
2455 | echo "\n"; |
---|
2456 | } |
---|
2457 | } |
---|
2458 | |
---|
2459 | echo $newindent; |
---|
2460 | $static = false; |
---|
2461 | if (isset($info)) { |
---|
2462 | if ($info['flags'] & ZEND_ACC_STATIC) { |
---|
2463 | $static = true; |
---|
2464 | } |
---|
2465 | } |
---|
2466 | else if (isset($class['default_static_members'][$name])) { |
---|
2467 | $static = true; |
---|
2468 | } |
---|
2469 | |
---|
2470 | if ($static) { |
---|
2471 | echo "static "; |
---|
2472 | } |
---|
2473 | |
---|
2474 | $mangled = false; |
---|
2475 | if (!isset($info)) { |
---|
2476 | echo 'public '; |
---|
2477 | } |
---|
2478 | else { |
---|
2479 | if ($info['flags'] & ZEND_ACC_SHADOW) { |
---|
2480 | continue; |
---|
2481 | } |
---|
2482 | switch ($info['flags'] & ZEND_ACC_PPP_MASK) { |
---|
2483 | case ZEND_ACC_PUBLIC: |
---|
2484 | echo "public "; |
---|
2485 | break; |
---|
2486 | case ZEND_ACC_PRIVATE: |
---|
2487 | echo "private "; |
---|
2488 | $mangled = true; |
---|
2489 | break; |
---|
2490 | case ZEND_ACC_PROTECTED: |
---|
2491 | echo "protected "; |
---|
2492 | $mangled = true; |
---|
2493 | break; |
---|
2494 | } |
---|
2495 | } |
---|
2496 | |
---|
2497 | echo '$', $name; |
---|
2498 | |
---|
2499 | if (isset($info['offset'])) { |
---|
2500 | $value = $class[$static ? 'default_static_members_table' : 'default_properties_table'][$info['offset']]; |
---|
2501 | } |
---|
2502 | else { |
---|
2503 | $key = isset($info) ? $info['name'] . ($mangled ? "\000" : "") : $name; |
---|
2504 | |
---|
2505 | $value = $class[$static ? 'default_static_members' : 'default_properties'][$key]; |
---|
2506 | } |
---|
2507 | if (isset($value)) { |
---|
2508 | echo ' = '; |
---|
2509 | echo str(value($value), $newindent); |
---|
2510 | } |
---|
2511 | echo ";\n"; |
---|
2512 | } |
---|
2513 | } |
---|
2514 | // }}} |
---|
2515 | // {{{ function_table |
---|
2516 | if (isset($class['function_table'])) { |
---|
2517 | foreach ($class['function_table'] as $func) { |
---|
2518 | if (!isset($func['scope']) || $func['scope'] == $class['name']) { |
---|
2519 | // TODO: skip shadow here |
---|
2520 | echo "\n"; |
---|
2521 | $opa = $func['op_array']; |
---|
2522 | if (!empty($opa['doc_comment'])) { |
---|
2523 | echo $newindent; |
---|
2524 | echo $opa['doc_comment']; |
---|
2525 | echo "\n"; |
---|
2526 | } |
---|
2527 | $isAbstractMethod = false; |
---|
2528 | $decorations = array(); |
---|
2529 | if (isset($opa['fn_flags'])) { |
---|
2530 | if (($opa['fn_flags'] & ZEND_ACC_ABSTRACT) && !$isInterface) { |
---|
2531 | $decorations[] = "abstract"; |
---|
2532 | $isAbstractMethod = true; |
---|
2533 | } |
---|
2534 | if ($opa['fn_flags'] & ZEND_ACC_FINAL) { |
---|
2535 | $decorations[] = "final"; |
---|
2536 | } |
---|
2537 | if ($opa['fn_flags'] & ZEND_ACC_STATIC) { |
---|
2538 | $decorations[] = "static"; |
---|
2539 | } |
---|
2540 | |
---|
2541 | switch ($opa['fn_flags'] & ZEND_ACC_PPP_MASK) { |
---|
2542 | case ZEND_ACC_PUBLIC: |
---|
2543 | $decorations[] = "public"; |
---|
2544 | break; |
---|
2545 | case ZEND_ACC_PRIVATE: |
---|
2546 | $decorations[] = "private"; |
---|
2547 | break; |
---|
2548 | case ZEND_ACC_PROTECTED: |
---|
2549 | $decorations[] = "protected"; |
---|
2550 | break; |
---|
2551 | default: |
---|
2552 | $decorations[] = "<visibility error>"; |
---|
2553 | break; |
---|
2554 | } |
---|
2555 | } |
---|
2556 | $this->dfunction($func, $newindent, $decorations, $isInterface || $isAbstractMethod); |
---|
2557 | if ($opa['function_name'] == 'Decompiler') { |
---|
2558 | //exit; |
---|
2559 | } |
---|
2560 | } |
---|
2561 | } |
---|
2562 | } |
---|
2563 | // }}} |
---|
2564 | echo $indent, "}\n"; |
---|
2565 | } |
---|
2566 | // }}} |
---|
2567 | function decompileString($string) // {{{ |
---|
2568 | { |
---|
2569 | $this->dc = xcache_dasm_string($string); |
---|
2570 | if ($this->dc === false) { |
---|
2571 | echo "error compling string\n"; |
---|
2572 | return false; |
---|
2573 | } |
---|
2574 | return true; |
---|
2575 | } |
---|
2576 | // }}} |
---|
2577 | function decompileFile($file) // {{{ |
---|
2578 | { |
---|
2579 | $this->dc = xcache_dasm_file($file); |
---|
2580 | if ($this->dc === false) { |
---|
2581 | echo "error compling $file\n"; |
---|
2582 | return false; |
---|
2583 | } |
---|
2584 | return true; |
---|
2585 | } |
---|
2586 | // }}} |
---|
2587 | function decompileDasm($content) // {{{ |
---|
2588 | { |
---|
2589 | $this->dc = $content; |
---|
2590 | return true; |
---|
2591 | } |
---|
2592 | // }}} |
---|
2593 | function output() // {{{ |
---|
2594 | { |
---|
2595 | echo "<?". "php\n\n"; |
---|
2596 | foreach ($this->dc['class_table'] as $key => $class) { |
---|
2597 | if ($key{0} != "\0") { |
---|
2598 | $this->dclass($class); |
---|
2599 | echo "\n"; |
---|
2600 | } |
---|
2601 | } |
---|
2602 | |
---|
2603 | foreach ($this->dc['function_table'] as $key => $func) { |
---|
2604 | if ($key{0} != "\0") { |
---|
2605 | $this->dfunction($func); |
---|
2606 | echo "\n"; |
---|
2607 | } |
---|
2608 | } |
---|
2609 | |
---|
2610 | $this->dop_array($this->dc['op_array']); |
---|
2611 | echo "\n?" . ">\n"; |
---|
2612 | |
---|
2613 | if (!empty($this->test)) { |
---|
2614 | $this->outputUnusedOp(); |
---|
2615 | } |
---|
2616 | return true; |
---|
2617 | } |
---|
2618 | // }}} |
---|
2619 | function outputUnusedOp() // {{{ |
---|
2620 | { |
---|
2621 | for ($i = 0; $opname = xcache_get_opcode($i); $i ++) { |
---|
2622 | if ($opname == 'UNDEF') { |
---|
2623 | continue; |
---|
2624 | } |
---|
2625 | |
---|
2626 | if (!isset($this->usedOps[$i])) { |
---|
2627 | echo "not covered opcode ", $opname, "\n"; |
---|
2628 | } |
---|
2629 | } |
---|
2630 | } |
---|
2631 | // }}} |
---|
2632 | } |
---|
2633 | |
---|
2634 | // {{{ defines |
---|
2635 | define('ZEND_ENGINE_2_4', PHP_VERSION >= "5.4"); |
---|
2636 | define('ZEND_ENGINE_2_3', ZEND_ENGINE_2_4 || PHP_VERSION >= "5.3."); |
---|
2637 | define('ZEND_ENGINE_2_2', ZEND_ENGINE_2_3 || PHP_VERSION >= "5.2."); |
---|
2638 | define('ZEND_ENGINE_2_1', ZEND_ENGINE_2_2 || PHP_VERSION >= "5.1."); |
---|
2639 | |
---|
2640 | define('ZEND_ACC_STATIC', 0x01); |
---|
2641 | define('ZEND_ACC_ABSTRACT', 0x02); |
---|
2642 | define('ZEND_ACC_FINAL', 0x04); |
---|
2643 | define('ZEND_ACC_IMPLEMENTED_ABSTRACT', 0x08); |
---|
2644 | |
---|
2645 | define('ZEND_ACC_IMPLICIT_ABSTRACT_CLASS', 0x10); |
---|
2646 | define('ZEND_ACC_EXPLICIT_ABSTRACT_CLASS', 0x20); |
---|
2647 | define('ZEND_ACC_FINAL_CLASS', 0x40); |
---|
2648 | define('ZEND_ACC_INTERFACE', 0x80); |
---|
2649 | if (ZEND_ENGINE_2_4) { |
---|
2650 | define('ZEND_ACC_TRAIT', 0x120); |
---|
2651 | } |
---|
2652 | define('ZEND_ACC_PUBLIC', 0x100); |
---|
2653 | define('ZEND_ACC_PROTECTED', 0x200); |
---|
2654 | define('ZEND_ACC_PRIVATE', 0x400); |
---|
2655 | define('ZEND_ACC_PPP_MASK', (ZEND_ACC_PUBLIC | ZEND_ACC_PROTECTED | ZEND_ACC_PRIVATE)); |
---|
2656 | |
---|
2657 | define('ZEND_ACC_CHANGED', 0x800); |
---|
2658 | define('ZEND_ACC_IMPLICIT_PUBLIC', 0x1000); |
---|
2659 | |
---|
2660 | define('ZEND_ACC_CTOR', 0x2000); |
---|
2661 | define('ZEND_ACC_DTOR', 0x4000); |
---|
2662 | define('ZEND_ACC_CLONE', 0x8000); |
---|
2663 | |
---|
2664 | define('ZEND_ACC_ALLOW_STATIC', 0x10000); |
---|
2665 | |
---|
2666 | define('ZEND_ACC_SHADOW', 0x2000); |
---|
2667 | |
---|
2668 | if (ZEND_ENGINE_2_4) { |
---|
2669 | define('ZEND_FETCH_GLOBAL', 0x00000000); |
---|
2670 | define('ZEND_FETCH_LOCAL', 0x10000000); |
---|
2671 | define('ZEND_FETCH_STATIC', 0x20000000); |
---|
2672 | define('ZEND_FETCH_STATIC_MEMBER', 0x30000000); |
---|
2673 | define('ZEND_FETCH_GLOBAL_LOCK', 0x40000000); |
---|
2674 | define('ZEND_FETCH_LEXICAL', 0x50000000); |
---|
2675 | |
---|
2676 | define('ZEND_FETCH_TYPE_MASK', 0x70000000); |
---|
2677 | |
---|
2678 | define('ZEND_FETCH_STANDARD', 0x00000000); |
---|
2679 | define('ZEND_FETCH_ADD_LOCK', 0x08000000); |
---|
2680 | define('ZEND_FETCH_MAKE_REF', 0x04000000); |
---|
2681 | } |
---|
2682 | else { |
---|
2683 | define('ZEND_FETCH_GLOBAL', 0); |
---|
2684 | define('ZEND_FETCH_LOCAL', 1); |
---|
2685 | define('ZEND_FETCH_STATIC', 2); |
---|
2686 | define('ZEND_FETCH_STATIC_MEMBER', 3); |
---|
2687 | define('ZEND_FETCH_GLOBAL_LOCK', 4); |
---|
2688 | |
---|
2689 | define('ZEND_FETCH_STANDARD', 0); |
---|
2690 | define('ZEND_FETCH_ADD_LOCK', 1); |
---|
2691 | } |
---|
2692 | |
---|
2693 | if (ZEND_ENGINE_2_4) { |
---|
2694 | define('ZEND_ISSET', 0x02000000); |
---|
2695 | define('ZEND_ISEMPTY', 0x01000000); |
---|
2696 | define('ZEND_ISSET_ISEMPTY_MASK', (ZEND_ISSET | ZEND_ISEMPTY)); |
---|
2697 | define('ZEND_QUICK_SET', 0x00800000); |
---|
2698 | } |
---|
2699 | else { |
---|
2700 | define('ZEND_ISSET', (1<<0)); |
---|
2701 | define('ZEND_ISEMPTY', (1<<1)); |
---|
2702 | |
---|
2703 | define('ZEND_ISSET_ISEMPTY_MASK', (ZEND_ISSET | ZEND_ISEMPTY)); |
---|
2704 | } |
---|
2705 | |
---|
2706 | define('ZEND_FETCH_CLASS_DEFAULT', 0); |
---|
2707 | define('ZEND_FETCH_CLASS_SELF', 1); |
---|
2708 | define('ZEND_FETCH_CLASS_PARENT', 2); |
---|
2709 | define('ZEND_FETCH_CLASS_MAIN', 3); |
---|
2710 | define('ZEND_FETCH_CLASS_GLOBAL', 4); |
---|
2711 | define('ZEND_FETCH_CLASS_AUTO', 5); |
---|
2712 | define('ZEND_FETCH_CLASS_INTERFACE', 6); |
---|
2713 | define('ZEND_FETCH_CLASS_STATIC', 7); |
---|
2714 | if (ZEND_ENGINE_2_4) { |
---|
2715 | define('ZEND_FETCH_CLASS_TRAIT', 14); |
---|
2716 | } |
---|
2717 | if (ZEND_ENGINE_2_3) { |
---|
2718 | define('ZEND_FETCH_CLASS_MASK', 0xF); |
---|
2719 | } |
---|
2720 | |
---|
2721 | define('ZEND_EVAL', (1<<0)); |
---|
2722 | define('ZEND_INCLUDE', (1<<1)); |
---|
2723 | define('ZEND_INCLUDE_ONCE', (1<<2)); |
---|
2724 | define('ZEND_REQUIRE', (1<<3)); |
---|
2725 | define('ZEND_REQUIRE_ONCE', (1<<4)); |
---|
2726 | |
---|
2727 | if (ZEND_ENGINE_2_4) { |
---|
2728 | define('EXT_TYPE_UNUSED', (1<<5)); |
---|
2729 | } |
---|
2730 | else { |
---|
2731 | define('EXT_TYPE_UNUSED', (1<<0)); |
---|
2732 | } |
---|
2733 | |
---|
2734 | define('ZEND_FE_FETCH_BYREF', 1); |
---|
2735 | define('ZEND_FE_FETCH_WITH_KEY', 2); |
---|
2736 | |
---|
2737 | define('ZEND_MEMBER_FUNC_CALL', 1<<0); |
---|
2738 | define('ZEND_CTOR_CALL', 1<<1); |
---|
2739 | |
---|
2740 | define('ZEND_ARG_SEND_BY_REF', (1<<0)); |
---|
2741 | define('ZEND_ARG_COMPILE_TIME_BOUND', (1<<1)); |
---|
2742 | define('ZEND_ARG_SEND_FUNCTION', (1<<2)); |
---|
2743 | |
---|
2744 | define('BYREF_NONE', 0); |
---|
2745 | define('BYREF_FORCE', 1); |
---|
2746 | define('BYREF_ALLOW', 2); |
---|
2747 | define('BYREF_FORCE_REST', 3); |
---|
2748 | define('IS_NULL', 0); |
---|
2749 | define('IS_LONG', 1); |
---|
2750 | define('IS_DOUBLE', 2); |
---|
2751 | define('IS_BOOL', 3); |
---|
2752 | define('IS_ARRAY', 4); |
---|
2753 | define('IS_OBJECT', 5); |
---|
2754 | define('IS_STRING', 6); |
---|
2755 | define('IS_RESOURCE', 7); |
---|
2756 | define('IS_CONSTANT', 8); |
---|
2757 | define('IS_CONSTANT_ARRAY', 9); |
---|
2758 | if (ZEND_ENGINE_2_4) { |
---|
2759 | define('IS_CALLABLE', 10); |
---|
2760 | } |
---|
2761 | /* Ugly hack to support constants as static array indices */ |
---|
2762 | define('IS_CONSTANT_TYPE_MASK', 0x0f); |
---|
2763 | define('IS_CONSTANT_UNQUALIFIED', 0x10); |
---|
2764 | define('IS_CONSTANT_INDEX', 0x80); |
---|
2765 | define('IS_LEXICAL_VAR', 0x20); |
---|
2766 | define('IS_LEXICAL_REF', 0x40); |
---|
2767 | |
---|
2768 | @define('XC_IS_CV', 16); |
---|
2769 | |
---|
2770 | /* |
---|
2771 | if (preg_match_all('!XC_[A-Z_]+!', file_get_contents(__FILE__), $ms)) { |
---|
2772 | $verdiff = array(); |
---|
2773 | foreach ($ms[0] as $k) { |
---|
2774 | if (!defined($k)) { |
---|
2775 | $verdiff[$k] = -1; |
---|
2776 | define($k, -1); |
---|
2777 | } |
---|
2778 | } |
---|
2779 | var_export($verdiff); |
---|
2780 | exit; |
---|
2781 | } |
---|
2782 | //*/ |
---|
2783 | foreach (array ( |
---|
2784 | 'XC_DECLARE_FUNCTION_OR_CLASS' => -1, |
---|
2785 | 'XC_DECLARE_LAMBDA_FUNCTION' => -1, |
---|
2786 | 'XC_DO_FCALL_BY_FUNC' => -1, |
---|
2787 | 'XC_INIT_FCALL_BY_FUNC' => -1, |
---|
2788 | 'XC_ISSET_ISEMPTY' => -1, |
---|
2789 | 'XC_JMP_NO_CTOR' => -1, |
---|
2790 | 'XC_JMP_SET' => -1, |
---|
2791 | 'XC_QM_ASSIGN_VAR' => -1, |
---|
2792 | 'XC_UNSET_DIM_OBJ' => -1, |
---|
2793 | ) as $k => $v) { |
---|
2794 | if (!defined($k)) { |
---|
2795 | define($k, $v); |
---|
2796 | } |
---|
2797 | } |
---|
2798 | // }}} |
---|
2799 | |
---|