389 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			PHP
		
	
	
		
		
			
		
	
	
			389 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			PHP
		
	
	
|  | <?php | |||
|  | 
 | |||
|  | /* | |||
|  |  * This file is part of the Symfony package. | |||
|  |  * | |||
|  |  * (c) Fabien Potencier <fabien@symfony.com> | |||
|  |  * | |||
|  |  * For the full copyright and license information, please view the LICENSE | |||
|  |  * file that was distributed with this source code. | |||
|  |  */ | |||
|  | 
 | |||
|  | namespace Symfony\Component\VarDumper\Caster; | |||
|  | 
 | |||
|  | use Symfony\Component\ErrorHandler\Exception\SilencedErrorContext; | |||
|  | use Symfony\Component\VarDumper\Cloner\Stub; | |||
|  | use Symfony\Component\VarDumper\Exception\ThrowingCasterException; | |||
|  | 
 | |||
|  | /** | |||
|  |  * Casts common Exception classes to array representation. | |||
|  |  * | |||
|  |  * @author Nicolas Grekas <p@tchwork.com> | |||
|  |  * | |||
|  |  * @final since Symfony 4.4 | |||
|  |  */ | |||
|  | class ExceptionCaster | |||
|  | { | |||
|  |     public static $srcContext = 1; | |||
|  |     public static $traceArgs = true; | |||
|  |     public static $errorTypes = [ | |||
|  |         \E_DEPRECATED => 'E_DEPRECATED', | |||
|  |         \E_USER_DEPRECATED => 'E_USER_DEPRECATED', | |||
|  |         \E_RECOVERABLE_ERROR => 'E_RECOVERABLE_ERROR', | |||
|  |         \E_ERROR => 'E_ERROR', | |||
|  |         \E_WARNING => 'E_WARNING', | |||
|  |         \E_PARSE => 'E_PARSE', | |||
|  |         \E_NOTICE => 'E_NOTICE', | |||
|  |         \E_CORE_ERROR => 'E_CORE_ERROR', | |||
|  |         \E_CORE_WARNING => 'E_CORE_WARNING', | |||
|  |         \E_COMPILE_ERROR => 'E_COMPILE_ERROR', | |||
|  |         \E_COMPILE_WARNING => 'E_COMPILE_WARNING', | |||
|  |         \E_USER_ERROR => 'E_USER_ERROR', | |||
|  |         \E_USER_WARNING => 'E_USER_WARNING', | |||
|  |         \E_USER_NOTICE => 'E_USER_NOTICE', | |||
|  |         \E_STRICT => 'E_STRICT', | |||
|  |     ]; | |||
|  | 
 | |||
|  |     private static $framesCache = []; | |||
|  | 
 | |||
|  |     public static function castError(\Error $e, array $a, Stub $stub, $isNested, $filter = 0) | |||
|  |     { | |||
|  |         return self::filterExceptionArray($stub->class, $a, "\0Error\0", $filter); | |||
|  |     } | |||
|  | 
 | |||
|  |     public static function castException(\Exception $e, array $a, Stub $stub, $isNested, $filter = 0) | |||
|  |     { | |||
|  |         return self::filterExceptionArray($stub->class, $a, "\0Exception\0", $filter); | |||
|  |     } | |||
|  | 
 | |||
|  |     public static function castErrorException(\ErrorException $e, array $a, Stub $stub, $isNested) | |||
|  |     { | |||
|  |         if (isset($a[$s = Caster::PREFIX_PROTECTED.'severity'], self::$errorTypes[$a[$s]])) { | |||
|  |             $a[$s] = new ConstStub(self::$errorTypes[$a[$s]], $a[$s]); | |||
|  |         } | |||
|  | 
 | |||
|  |         return $a; | |||
|  |     } | |||
|  | 
 | |||
|  |     public static function castThrowingCasterException(ThrowingCasterException $e, array $a, Stub $stub, $isNested) | |||
|  |     { | |||
|  |         $trace = Caster::PREFIX_VIRTUAL.'trace'; | |||
|  |         $prefix = Caster::PREFIX_PROTECTED; | |||
|  |         $xPrefix = "\0Exception\0"; | |||
|  | 
 | |||
|  |         if (isset($a[$xPrefix.'previous'], $a[$trace]) && $a[$xPrefix.'previous'] instanceof \Exception) { | |||
|  |             $b = (array) $a[$xPrefix.'previous']; | |||
|  |             $class = get_debug_type($a[$xPrefix.'previous']); | |||
|  |             self::traceUnshift($b[$xPrefix.'trace'], $class, $b[$prefix.'file'], $b[$prefix.'line']); | |||
|  |             $a[$trace] = new TraceStub($b[$xPrefix.'trace'], false, 0, -\count($a[$trace]->value)); | |||
|  |         } | |||
|  | 
 | |||
|  |         unset($a[$xPrefix.'previous'], $a[$prefix.'code'], $a[$prefix.'file'], $a[$prefix.'line']); | |||
|  | 
 | |||
|  |         return $a; | |||
|  |     } | |||
|  | 
 | |||
|  |     public static function castSilencedErrorContext(SilencedErrorContext $e, array $a, Stub $stub, $isNested) | |||
|  |     { | |||
|  |         $sPrefix = "\0".SilencedErrorContext::class."\0"; | |||
|  | 
 | |||
|  |         if (!isset($a[$s = $sPrefix.'severity'])) { | |||
|  |             return $a; | |||
|  |         } | |||
|  | 
 | |||
|  |         if (isset(self::$errorTypes[$a[$s]])) { | |||
|  |             $a[$s] = new ConstStub(self::$errorTypes[$a[$s]], $a[$s]); | |||
|  |         } | |||
|  | 
 | |||
|  |         $trace = [[ | |||
|  |             'file' => $a[$sPrefix.'file'], | |||
|  |             'line' => $a[$sPrefix.'line'], | |||
|  |         ]]; | |||
|  | 
 | |||
|  |         if (isset($a[$sPrefix.'trace'])) { | |||
|  |             $trace = array_merge($trace, $a[$sPrefix.'trace']); | |||
|  |         } | |||
|  | 
 | |||
|  |         unset($a[$sPrefix.'file'], $a[$sPrefix.'line'], $a[$sPrefix.'trace']); | |||
|  |         $a[Caster::PREFIX_VIRTUAL.'trace'] = new TraceStub($trace, self::$traceArgs); | |||
|  | 
 | |||
|  |         return $a; | |||
|  |     } | |||
|  | 
 | |||
|  |     public static function castTraceStub(TraceStub $trace, array $a, Stub $stub, $isNested) | |||
|  |     { | |||
|  |         if (!$isNested) { | |||
|  |             return $a; | |||
|  |         } | |||
|  |         $stub->class = ''; | |||
|  |         $stub->handle = 0; | |||
|  |         $frames = $trace->value; | |||
|  |         $prefix = Caster::PREFIX_VIRTUAL; | |||
|  | 
 | |||
|  |         $a = []; | |||
|  |         $j = \count($frames); | |||
|  |         if (0 > $i = $trace->sliceOffset) { | |||
|  |             $i = max(0, $j + $i); | |||
|  |         } | |||
|  |         if (!isset($trace->value[$i])) { | |||
|  |             return []; | |||
|  |         } | |||
|  |         $lastCall = isset($frames[$i]['function']) ? (isset($frames[$i]['class']) ? $frames[0]['class'].$frames[$i]['type'] : '').$frames[$i]['function'].'()' : ''; | |||
|  |         $frames[] = ['function' => '']; | |||
|  |         $collapse = false; | |||
|  | 
 | |||
|  |         for ($j += $trace->numberingOffset - $i++; isset($frames[$i]); ++$i, --$j) { | |||
|  |             $f = $frames[$i]; | |||
|  |             $call = isset($f['function']) ? (isset($f['class']) ? $f['class'].$f['type'] : '').$f['function'] : '???'; | |||
|  | 
 | |||
|  |             $frame = new FrameStub( | |||
|  |                 [ | |||
|  |                     'object' => $f['object'] ?? null, | |||
|  |                     'class' => $f['class'] ?? null, | |||
|  |                     'type' => $f['type'] ?? null, | |||
|  |                     'function' => $f['function'] ?? null, | |||
|  |                 ] + $frames[$i - 1], | |||
|  |                 false, | |||
|  |                 true | |||
|  |             ); | |||
|  |             $f = self::castFrameStub($frame, [], $frame, true); | |||
|  |             if (isset($f[$prefix.'src'])) { | |||
|  |                 foreach ($f[$prefix.'src']->value as $label => $frame) { | |||
|  |                     if (str_starts_with($label, "\0~collapse=0")) { | |||
|  |                         if ($collapse) { | |||
|  |                             $label = substr_replace($label, '1', 11, 1); | |||
|  |                         } else { | |||
|  |                             $collapse = true; | |||
|  |                         } | |||
|  |                     } | |||
|  |                     $label = substr_replace($label, "title=Stack level $j.&", 2, 0); | |||
|  |                 } | |||
|  |                 $f = $frames[$i - 1]; | |||
|  |                 if ($trace->keepArgs && !empty($f['args']) && $frame instanceof EnumStub) { | |||
|  |                     $frame->value['arguments'] = new ArgsStub($f['args'], $f['function'] ?? null, $f['class'] ?? null); | |||
|  |                 } | |||
|  |             } elseif ('???' !== $lastCall) { | |||
|  |                 $label = new ClassStub($lastCall); | |||
|  |                 if (isset($label->attr['ellipsis'])) { | |||
|  |                     $label->attr['ellipsis'] += 2; | |||
|  |                     $label = substr_replace($prefix, "ellipsis-type=class&ellipsis={$label->attr['ellipsis']}&ellipsis-tail=1&title=Stack level $j.", 2, 0).$label->value.'()'; | |||
|  |                 } else { | |||
|  |                     $label = substr_replace($prefix, "title=Stack level $j.", 2, 0).$label->value.'()'; | |||
|  |                 } | |||
|  |             } else { | |||
|  |                 $label = substr_replace($prefix, "title=Stack level $j.", 2, 0).$lastCall; | |||
|  |             } | |||
|  |             $a[substr_replace($label, sprintf('separator=%s&', $frame instanceof EnumStub ? ' ' : ':'), 2, 0)] = $frame; | |||
|  | 
 | |||
|  |             $lastCall = $call; | |||
|  |         } | |||
|  |         if (null !== $trace->sliceLength) { | |||
|  |             $a = \array_slice($a, 0, $trace->sliceLength, true); | |||
|  |         } | |||
|  | 
 | |||
|  |         return $a; | |||
|  |     } | |||
|  | 
 | |||
|  |     public static function castFrameStub(FrameStub $frame, array $a, Stub $stub, $isNested) | |||
|  |     { | |||
|  |         if (!$isNested) { | |||
|  |             return $a; | |||
|  |         } | |||
|  |         $f = $frame->value; | |||
|  |         $prefix = Caster::PREFIX_VIRTUAL; | |||
|  | 
 | |||
|  |         if (isset($f['file'], $f['line'])) { | |||
|  |             $cacheKey = $f; | |||
|  |             unset($cacheKey['object'], $cacheKey['args']); | |||
|  |             $cacheKey[] = self::$srcContext; | |||
|  |             $cacheKey = implode('-', $cacheKey); | |||
|  | 
 | |||
|  |             if (isset(self::$framesCache[$cacheKey])) { | |||
|  |                 $a[$prefix.'src'] = self::$framesCache[$cacheKey]; | |||
|  |             } else { | |||
|  |                 if (preg_match('/\((\d+)\)(?:\([\da-f]{32}\))? : (?:eval\(\)\'d code|runtime-created function)$/', $f['file'], $match)) { | |||
|  |                     $f['file'] = substr($f['file'], 0, -\strlen($match[0])); | |||
|  |                     $f['line'] = (int) $match[1]; | |||
|  |                 } | |||
|  |                 $src = $f['line']; | |||
|  |                 $srcKey = $f['file']; | |||
|  |                 $ellipsis = new LinkStub($srcKey, 0); | |||
|  |                 $srcAttr = 'collapse='.(int) $ellipsis->inVendor; | |||
|  |                 $ellipsisTail = $ellipsis->attr['ellipsis-tail'] ?? 0; | |||
|  |                 $ellipsis = $ellipsis->attr['ellipsis'] ?? 0; | |||
|  | 
 | |||
|  |                 if (file_exists($f['file']) && 0 <= self::$srcContext) { | |||
|  |                     if (!empty($f['class']) && (is_subclass_of($f['class'], 'Twig\Template') || is_subclass_of($f['class'], 'Twig_Template')) && method_exists($f['class'], 'getDebugInfo')) { | |||
|  |                         $template = null; | |||
|  |                         if (isset($f['object'])) { | |||
|  |                             $template = $f['object']; | |||
|  |                         } elseif ((new \ReflectionClass($f['class']))->isInstantiable()) { | |||
|  |                             $template = unserialize(sprintf('O:%d:"%s":0:{}', \strlen($f['class']), $f['class'])); | |||
|  |                         } | |||
|  |                         if (null !== $template) { | |||
|  |                             $ellipsis = 0; | |||
|  |                             $templateSrc = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getCode() : (method_exists($template, 'getSource') ? $template->getSource() : ''); | |||
|  |                             $templateInfo = $template->getDebugInfo(); | |||
|  |                             if (isset($templateInfo[$f['line']])) { | |||
|  |                                 if (!method_exists($template, 'getSourceContext') || !file_exists($templatePath = $template->getSourceContext()->getPath())) { | |||
|  |                                     $templatePath = null; | |||
|  |                                 } | |||
|  |                                 if ($templateSrc) { | |||
|  |                                     $src = self::extractSource($templateSrc, $templateInfo[$f['line']], self::$srcContext, 'twig', $templatePath, $f); | |||
|  |                                     $srcKey = ($templatePath ?: $template->getTemplateName()).':'.$templateInfo[$f['line']]; | |||
|  |                                 } | |||
|  |                             } | |||
|  |                         } | |||
|  |                     } | |||
|  |                     if ($srcKey == $f['file']) { | |||
|  |                         $src = self::extractSource(file_get_contents($f['file']), $f['line'], self::$srcContext, 'php', $f['file'], $f); | |||
|  |                         $srcKey .= ':'.$f['line']; | |||
|  |                         if ($ellipsis) { | |||
|  |                             $ellipsis += 1 + \strlen($f['line']); | |||
|  |                         } | |||
|  |                     } | |||
|  |                     $srcAttr .= sprintf('&separator= &file=%s&line=%d', rawurlencode($f['file']), $f['line']); | |||
|  |                 } else { | |||
|  |                     $srcAttr .= '&separator=:'; | |||
|  |                 } | |||
|  |                 $srcAttr .= $ellipsis ? '&ellipsis-type=path&ellipsis='.$ellipsis.'&ellipsis-tail='.$ellipsisTail : ''; | |||
|  |                 self::$framesCache[$cacheKey] = $a[$prefix.'src'] = new EnumStub(["\0~$srcAttr\0$srcKey" => $src]); | |||
|  |             } | |||
|  |         } | |||
|  | 
 | |||
|  |         unset($a[$prefix.'args'], $a[$prefix.'line'], $a[$prefix.'file']); | |||
|  |         if ($frame->inTraceStub) { | |||
|  |             unset($a[$prefix.'class'], $a[$prefix.'type'], $a[$prefix.'function']); | |||
|  |         } | |||
|  |         foreach ($a as $k => $v) { | |||
|  |             if (!$v) { | |||
|  |                 unset($a[$k]); | |||
|  |             } | |||
|  |         } | |||
|  |         if ($frame->keepArgs && !empty($f['args'])) { | |||
|  |             $a[$prefix.'arguments'] = new ArgsStub($f['args'], $f['function'], $f['class']); | |||
|  |         } | |||
|  | 
 | |||
|  |         return $a; | |||
|  |     } | |||
|  | 
 | |||
|  |     private static function filterExceptionArray(string $xClass, array $a, string $xPrefix, int $filter): array | |||
|  |     { | |||
|  |         if (isset($a[$xPrefix.'trace'])) { | |||
|  |             $trace = $a[$xPrefix.'trace']; | |||
|  |             unset($a[$xPrefix.'trace']); // Ensures the trace is always last
 | |||
|  |         } else { | |||
|  |             $trace = []; | |||
|  |         } | |||
|  | 
 | |||
|  |         if (!($filter & Caster::EXCLUDE_VERBOSE) && $trace) { | |||
|  |             if (isset($a[Caster::PREFIX_PROTECTED.'file'], $a[Caster::PREFIX_PROTECTED.'line'])) { | |||
|  |                 self::traceUnshift($trace, $xClass, $a[Caster::PREFIX_PROTECTED.'file'], $a[Caster::PREFIX_PROTECTED.'line']); | |||
|  |             } | |||
|  |             $a[Caster::PREFIX_VIRTUAL.'trace'] = new TraceStub($trace, self::$traceArgs); | |||
|  |         } | |||
|  |         if (empty($a[$xPrefix.'previous'])) { | |||
|  |             unset($a[$xPrefix.'previous']); | |||
|  |         } | |||
|  |         unset($a[$xPrefix.'string'], $a[Caster::PREFIX_DYNAMIC.'xdebug_message'], $a[Caster::PREFIX_DYNAMIC.'__destructorException']); | |||
|  | 
 | |||
|  |         if (isset($a[Caster::PREFIX_PROTECTED.'message']) && str_contains($a[Caster::PREFIX_PROTECTED.'message'], "@anonymous\0")) { | |||
|  |             $a[Caster::PREFIX_PROTECTED.'message'] = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', function ($m) { | |||
|  |                 return class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0]; | |||
|  |             }, $a[Caster::PREFIX_PROTECTED.'message']); | |||
|  |         } | |||
|  | 
 | |||
|  |         if (isset($a[Caster::PREFIX_PROTECTED.'file'], $a[Caster::PREFIX_PROTECTED.'line'])) { | |||
|  |             $a[Caster::PREFIX_PROTECTED.'file'] = new LinkStub($a[Caster::PREFIX_PROTECTED.'file'], $a[Caster::PREFIX_PROTECTED.'line']); | |||
|  |         } | |||
|  | 
 | |||
|  |         return $a; | |||
|  |     } | |||
|  | 
 | |||
|  |     private static function traceUnshift(array &$trace, ?string $class, string $file, int $line): void | |||
|  |     { | |||
|  |         if (isset($trace[0]['file'], $trace[0]['line']) && $trace[0]['file'] === $file && $trace[0]['line'] === $line) { | |||
|  |             return; | |||
|  |         } | |||
|  |         array_unshift($trace, [ | |||
|  |             'function' => $class ? 'new '.$class : null, | |||
|  |             'file' => $file, | |||
|  |             'line' => $line, | |||
|  |         ]); | |||
|  |     } | |||
|  | 
 | |||
|  |     private static function extractSource(string $srcLines, int $line, int $srcContext, string $lang, ?string $file, array $frame): EnumStub | |||
|  |     { | |||
|  |         $srcLines = explode("\n", $srcLines); | |||
|  |         $src = []; | |||
|  | 
 | |||
|  |         for ($i = $line - 1 - $srcContext; $i <= $line - 1 + $srcContext; ++$i) { | |||
|  |             $src[] = ($srcLines[$i] ?? '')."\n"; | |||
|  |         } | |||
|  | 
 | |||
|  |         if ($frame['function'] ?? false) { | |||
|  |             $stub = new CutStub(new \stdClass()); | |||
|  |             $stub->class = (isset($frame['class']) ? $frame['class'].$frame['type'] : '').$frame['function']; | |||
|  |             $stub->type = Stub::TYPE_OBJECT; | |||
|  |             $stub->attr['cut_hash'] = true; | |||
|  |             $stub->attr['file'] = $frame['file']; | |||
|  |             $stub->attr['line'] = $frame['line']; | |||
|  | 
 | |||
|  |             try { | |||
|  |                 $caller = isset($frame['class']) ? new \ReflectionMethod($frame['class'], $frame['function']) : new \ReflectionFunction($frame['function']); | |||
|  |                 $stub->class .= ReflectionCaster::getSignature(ReflectionCaster::castFunctionAbstract($caller, [], $stub, true, Caster::EXCLUDE_VERBOSE)); | |||
|  | 
 | |||
|  |                 if ($f = $caller->getFileName()) { | |||
|  |                     $stub->attr['file'] = $f; | |||
|  |                     $stub->attr['line'] = $caller->getStartLine(); | |||
|  |                 } | |||
|  |             } catch (\ReflectionException $e) { | |||
|  |                 // ignore fake class/function
 | |||
|  |             } | |||
|  | 
 | |||
|  |             $srcLines = ["\0~separator=\0" => $stub]; | |||
|  |         } else { | |||
|  |             $stub = null; | |||
|  |             $srcLines = []; | |||
|  |         } | |||
|  | 
 | |||
|  |         $ltrim = 0; | |||
|  |         do { | |||
|  |             $pad = null; | |||
|  |             for ($i = $srcContext << 1; $i >= 0; --$i) { | |||
|  |                 if (isset($src[$i][$ltrim]) && "\r" !== ($c = $src[$i][$ltrim]) && "\n" !== $c) { | |||
|  |                     if (null === $pad) { | |||
|  |                         $pad = $c; | |||
|  |                     } | |||
|  |                     if ((' ' !== $c && "\t" !== $c) || $pad !== $c) { | |||
|  |                         break; | |||
|  |                     } | |||
|  |                 } | |||
|  |             } | |||
|  |             ++$ltrim; | |||
|  |         } while (0 > $i && null !== $pad); | |||
|  | 
 | |||
|  |         --$ltrim; | |||
|  | 
 | |||
|  |         foreach ($src as $i => $c) { | |||
|  |             if ($ltrim) { | |||
|  |                 $c = isset($c[$ltrim]) && "\r" !== $c[$ltrim] ? substr($c, $ltrim) : ltrim($c, " \t"); | |||
|  |             } | |||
|  |             $c = substr($c, 0, -1); | |||
|  |             if ($i !== $srcContext) { | |||
|  |                 $c = new ConstStub('default', $c); | |||
|  |             } else { | |||
|  |                 $c = new ConstStub($c, $stub ? 'in '.$stub->class : ''); | |||
|  |                 if (null !== $file) { | |||
|  |                     $c->attr['file'] = $file; | |||
|  |                     $c->attr['line'] = $line; | |||
|  |                 } | |||
|  |             } | |||
|  |             $c->attr['lang'] = $lang; | |||
|  |             $srcLines[sprintf("\0~separator=› &%d\0", $i + $line - $srcContext)] = $c; | |||
|  |         } | |||
|  | 
 | |||
|  |         return new EnumStub($srcLines); | |||
|  |     } | |||
|  | } |