406 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			PHP
		
	
	
		
		
			
		
	
	
			406 lines
		
	
	
		
			14 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\VarDumper\Cloner\Stub; | ||
|  | 
 | ||
|  | /** | ||
|  |  * Casts Reflector related classes to array representation. | ||
|  |  * | ||
|  |  * @author Nicolas Grekas <p@tchwork.com> | ||
|  |  * | ||
|  |  * @final since Symfony 4.4 | ||
|  |  */ | ||
|  | class ReflectionCaster | ||
|  | { | ||
|  |     public const UNSET_CLOSURE_FILE_INFO = ['Closure' => __CLASS__.'::unsetClosureFileInfo']; | ||
|  | 
 | ||
|  |     private const EXTRA_MAP = [ | ||
|  |         'docComment' => 'getDocComment', | ||
|  |         'extension' => 'getExtensionName', | ||
|  |         'isDisabled' => 'isDisabled', | ||
|  |         'isDeprecated' => 'isDeprecated', | ||
|  |         'isInternal' => 'isInternal', | ||
|  |         'isUserDefined' => 'isUserDefined', | ||
|  |         'isGenerator' => 'isGenerator', | ||
|  |         'isVariadic' => 'isVariadic', | ||
|  |     ]; | ||
|  | 
 | ||
|  |     public static function castClosure(\Closure $c, array $a, Stub $stub, $isNested, $filter = 0) | ||
|  |     { | ||
|  |         $prefix = Caster::PREFIX_VIRTUAL; | ||
|  |         $c = new \ReflectionFunction($c); | ||
|  | 
 | ||
|  |         $a = static::castFunctionAbstract($c, $a, $stub, $isNested, $filter); | ||
|  | 
 | ||
|  |         if (!str_contains($c->name, '{closure}')) { | ||
|  |             $stub->class = isset($a[$prefix.'class']) ? $a[$prefix.'class']->value.'::'.$c->name : $c->name; | ||
|  |             unset($a[$prefix.'class']); | ||
|  |         } | ||
|  |         unset($a[$prefix.'extra']); | ||
|  | 
 | ||
|  |         $stub->class .= self::getSignature($a); | ||
|  | 
 | ||
|  |         if ($f = $c->getFileName()) { | ||
|  |             $stub->attr['file'] = $f; | ||
|  |             $stub->attr['line'] = $c->getStartLine(); | ||
|  |         } | ||
|  | 
 | ||
|  |         unset($a[$prefix.'parameters']); | ||
|  | 
 | ||
|  |         if ($filter & Caster::EXCLUDE_VERBOSE) { | ||
|  |             $stub->cut += ($c->getFileName() ? 2 : 0) + \count($a); | ||
|  | 
 | ||
|  |             return []; | ||
|  |         } | ||
|  | 
 | ||
|  |         if ($f) { | ||
|  |             $a[$prefix.'file'] = new LinkStub($f, $c->getStartLine()); | ||
|  |             $a[$prefix.'line'] = $c->getStartLine().' to '.$c->getEndLine(); | ||
|  |         } | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function unsetClosureFileInfo(\Closure $c, array $a) | ||
|  |     { | ||
|  |         unset($a[Caster::PREFIX_VIRTUAL.'file'], $a[Caster::PREFIX_VIRTUAL.'line']); | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function castGenerator(\Generator $c, array $a, Stub $stub, $isNested) | ||
|  |     { | ||
|  |         // Cannot create ReflectionGenerator based on a terminated Generator
 | ||
|  |         try { | ||
|  |             $reflectionGenerator = new \ReflectionGenerator($c); | ||
|  |         } catch (\Exception $e) { | ||
|  |             $a[Caster::PREFIX_VIRTUAL.'closed'] = true; | ||
|  | 
 | ||
|  |             return $a; | ||
|  |         } | ||
|  | 
 | ||
|  |         return self::castReflectionGenerator($reflectionGenerator, $a, $stub, $isNested); | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function castType(\ReflectionType $c, array $a, Stub $stub, $isNested) | ||
|  |     { | ||
|  |         $prefix = Caster::PREFIX_VIRTUAL; | ||
|  | 
 | ||
|  |         if ($c instanceof \ReflectionNamedType || \PHP_VERSION_ID < 80000) { | ||
|  |             $a += [ | ||
|  |                 $prefix.'name' => $c instanceof \ReflectionNamedType ? $c->getName() : (string) $c, | ||
|  |                 $prefix.'allowsNull' => $c->allowsNull(), | ||
|  |                 $prefix.'isBuiltin' => $c->isBuiltin(), | ||
|  |             ]; | ||
|  |         } elseif ($c instanceof \ReflectionUnionType || $c instanceof \ReflectionIntersectionType) { | ||
|  |             $a[$prefix.'allowsNull'] = $c->allowsNull(); | ||
|  |             self::addMap($a, $c, [ | ||
|  |                 'types' => 'getTypes', | ||
|  |             ]); | ||
|  |         } else { | ||
|  |             $a[$prefix.'allowsNull'] = $c->allowsNull(); | ||
|  |         } | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function castReflectionGenerator(\ReflectionGenerator $c, array $a, Stub $stub, $isNested) | ||
|  |     { | ||
|  |         $prefix = Caster::PREFIX_VIRTUAL; | ||
|  | 
 | ||
|  |         if ($c->getThis()) { | ||
|  |             $a[$prefix.'this'] = new CutStub($c->getThis()); | ||
|  |         } | ||
|  |         $function = $c->getFunction(); | ||
|  |         $frame = [ | ||
|  |             'class' => $function->class ?? null, | ||
|  |             'type' => isset($function->class) ? ($function->isStatic() ? '::' : '->') : null, | ||
|  |             'function' => $function->name, | ||
|  |             'file' => $c->getExecutingFile(), | ||
|  |             'line' => $c->getExecutingLine(), | ||
|  |         ]; | ||
|  |         if ($trace = $c->getTrace(\DEBUG_BACKTRACE_IGNORE_ARGS)) { | ||
|  |             $function = new \ReflectionGenerator($c->getExecutingGenerator()); | ||
|  |             array_unshift($trace, [ | ||
|  |                 'function' => 'yield', | ||
|  |                 'file' => $function->getExecutingFile(), | ||
|  |                 'line' => $function->getExecutingLine() - (int) (\PHP_VERSION_ID < 80100), | ||
|  |             ]); | ||
|  |             $trace[] = $frame; | ||
|  |             $a[$prefix.'trace'] = new TraceStub($trace, false, 0, -1, -1); | ||
|  |         } else { | ||
|  |             $function = new FrameStub($frame, false, true); | ||
|  |             $function = ExceptionCaster::castFrameStub($function, [], $function, true); | ||
|  |             $a[$prefix.'executing'] = $function[$prefix.'src']; | ||
|  |         } | ||
|  | 
 | ||
|  |         $a[Caster::PREFIX_VIRTUAL.'closed'] = false; | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function castClass(\ReflectionClass $c, array $a, Stub $stub, $isNested, $filter = 0) | ||
|  |     { | ||
|  |         $prefix = Caster::PREFIX_VIRTUAL; | ||
|  | 
 | ||
|  |         if ($n = \Reflection::getModifierNames($c->getModifiers())) { | ||
|  |             $a[$prefix.'modifiers'] = implode(' ', $n); | ||
|  |         } | ||
|  | 
 | ||
|  |         self::addMap($a, $c, [ | ||
|  |             'extends' => 'getParentClass', | ||
|  |             'implements' => 'getInterfaceNames', | ||
|  |             'constants' => 'getConstants', | ||
|  |         ]); | ||
|  | 
 | ||
|  |         foreach ($c->getProperties() as $n) { | ||
|  |             $a[$prefix.'properties'][$n->name] = $n; | ||
|  |         } | ||
|  | 
 | ||
|  |         foreach ($c->getMethods() as $n) { | ||
|  |             $a[$prefix.'methods'][$n->name] = $n; | ||
|  |         } | ||
|  | 
 | ||
|  |         if (!($filter & Caster::EXCLUDE_VERBOSE) && !$isNested) { | ||
|  |             self::addExtra($a, $c); | ||
|  |         } | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function castFunctionAbstract(\ReflectionFunctionAbstract $c, array $a, Stub $stub, $isNested, $filter = 0) | ||
|  |     { | ||
|  |         $prefix = Caster::PREFIX_VIRTUAL; | ||
|  | 
 | ||
|  |         self::addMap($a, $c, [ | ||
|  |             'returnsReference' => 'returnsReference', | ||
|  |             'returnType' => 'getReturnType', | ||
|  |             'class' => 'getClosureScopeClass', | ||
|  |             'this' => 'getClosureThis', | ||
|  |         ]); | ||
|  | 
 | ||
|  |         if (isset($a[$prefix.'returnType'])) { | ||
|  |             $v = $a[$prefix.'returnType']; | ||
|  |             $v = $v instanceof \ReflectionNamedType ? $v->getName() : (string) $v; | ||
|  |             $a[$prefix.'returnType'] = new ClassStub($a[$prefix.'returnType'] instanceof \ReflectionNamedType && $a[$prefix.'returnType']->allowsNull() && 'mixed' !== $v ? '?'.$v : $v, [class_exists($v, false) || interface_exists($v, false) || trait_exists($v, false) ? $v : '', '']); | ||
|  |         } | ||
|  |         if (isset($a[$prefix.'class'])) { | ||
|  |             $a[$prefix.'class'] = new ClassStub($a[$prefix.'class']); | ||
|  |         } | ||
|  |         if (isset($a[$prefix.'this'])) { | ||
|  |             $a[$prefix.'this'] = new CutStub($a[$prefix.'this']); | ||
|  |         } | ||
|  | 
 | ||
|  |         foreach ($c->getParameters() as $v) { | ||
|  |             $k = '$'.$v->name; | ||
|  |             if ($v->isVariadic()) { | ||
|  |                 $k = '...'.$k; | ||
|  |             } | ||
|  |             if ($v->isPassedByReference()) { | ||
|  |                 $k = '&'.$k; | ||
|  |             } | ||
|  |             $a[$prefix.'parameters'][$k] = $v; | ||
|  |         } | ||
|  |         if (isset($a[$prefix.'parameters'])) { | ||
|  |             $a[$prefix.'parameters'] = new EnumStub($a[$prefix.'parameters']); | ||
|  |         } | ||
|  | 
 | ||
|  |         if (!($filter & Caster::EXCLUDE_VERBOSE) && $v = $c->getStaticVariables()) { | ||
|  |             foreach ($v as $k => &$v) { | ||
|  |                 if (\is_object($v)) { | ||
|  |                     $a[$prefix.'use']['$'.$k] = new CutStub($v); | ||
|  |                 } else { | ||
|  |                     $a[$prefix.'use']['$'.$k] = &$v; | ||
|  |                 } | ||
|  |             } | ||
|  |             unset($v); | ||
|  |             $a[$prefix.'use'] = new EnumStub($a[$prefix.'use']); | ||
|  |         } | ||
|  | 
 | ||
|  |         if (!($filter & Caster::EXCLUDE_VERBOSE) && !$isNested) { | ||
|  |             self::addExtra($a, $c); | ||
|  |         } | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function castMethod(\ReflectionMethod $c, array $a, Stub $stub, $isNested) | ||
|  |     { | ||
|  |         $a[Caster::PREFIX_VIRTUAL.'modifiers'] = implode(' ', \Reflection::getModifierNames($c->getModifiers())); | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function castParameter(\ReflectionParameter $c, array $a, Stub $stub, $isNested) | ||
|  |     { | ||
|  |         $prefix = Caster::PREFIX_VIRTUAL; | ||
|  | 
 | ||
|  |         self::addMap($a, $c, [ | ||
|  |             'position' => 'getPosition', | ||
|  |             'isVariadic' => 'isVariadic', | ||
|  |             'byReference' => 'isPassedByReference', | ||
|  |             'allowsNull' => 'allowsNull', | ||
|  |         ]); | ||
|  | 
 | ||
|  |         if ($v = $c->getType()) { | ||
|  |             $a[$prefix.'typeHint'] = $v instanceof \ReflectionNamedType ? $v->getName() : (string) $v; | ||
|  |         } | ||
|  | 
 | ||
|  |         if (isset($a[$prefix.'typeHint'])) { | ||
|  |             $v = $a[$prefix.'typeHint']; | ||
|  |             $a[$prefix.'typeHint'] = new ClassStub($v, [class_exists($v, false) || interface_exists($v, false) || trait_exists($v, false) ? $v : '', '']); | ||
|  |         } else { | ||
|  |             unset($a[$prefix.'allowsNull']); | ||
|  |         } | ||
|  | 
 | ||
|  |         if ($c->isOptional()) { | ||
|  |             try { | ||
|  |                 $a[$prefix.'default'] = $v = $c->getDefaultValue(); | ||
|  |                 if ($c->isDefaultValueConstant()) { | ||
|  |                     $a[$prefix.'default'] = new ConstStub($c->getDefaultValueConstantName(), $v); | ||
|  |                 } | ||
|  |                 if (null === $v) { | ||
|  |                     unset($a[$prefix.'allowsNull']); | ||
|  |                 } | ||
|  |             } catch (\ReflectionException $e) { | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function castProperty(\ReflectionProperty $c, array $a, Stub $stub, $isNested) | ||
|  |     { | ||
|  |         $a[Caster::PREFIX_VIRTUAL.'modifiers'] = implode(' ', \Reflection::getModifierNames($c->getModifiers())); | ||
|  |         self::addExtra($a, $c); | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function castReference(\ReflectionReference $c, array $a, Stub $stub, $isNested) | ||
|  |     { | ||
|  |         $a[Caster::PREFIX_VIRTUAL.'id'] = $c->getId(); | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function castExtension(\ReflectionExtension $c, array $a, Stub $stub, $isNested) | ||
|  |     { | ||
|  |         self::addMap($a, $c, [ | ||
|  |             'version' => 'getVersion', | ||
|  |             'dependencies' => 'getDependencies', | ||
|  |             'iniEntries' => 'getIniEntries', | ||
|  |             'isPersistent' => 'isPersistent', | ||
|  |             'isTemporary' => 'isTemporary', | ||
|  |             'constants' => 'getConstants', | ||
|  |             'functions' => 'getFunctions', | ||
|  |             'classes' => 'getClasses', | ||
|  |         ]); | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function castZendExtension(\ReflectionZendExtension $c, array $a, Stub $stub, $isNested) | ||
|  |     { | ||
|  |         self::addMap($a, $c, [ | ||
|  |             'version' => 'getVersion', | ||
|  |             'author' => 'getAuthor', | ||
|  |             'copyright' => 'getCopyright', | ||
|  |             'url' => 'getURL', | ||
|  |         ]); | ||
|  | 
 | ||
|  |         return $a; | ||
|  |     } | ||
|  | 
 | ||
|  |     public static function getSignature(array $a) | ||
|  |     { | ||
|  |         $prefix = Caster::PREFIX_VIRTUAL; | ||
|  |         $signature = ''; | ||
|  | 
 | ||
|  |         if (isset($a[$prefix.'parameters'])) { | ||
|  |             foreach ($a[$prefix.'parameters']->value as $k => $param) { | ||
|  |                 $signature .= ', '; | ||
|  |                 if ($type = $param->getType()) { | ||
|  |                     if (!$type instanceof \ReflectionNamedType) { | ||
|  |                         $signature .= $type.' '; | ||
|  |                     } else { | ||
|  |                         if (!$param->isOptional() && $param->allowsNull() && 'mixed' !== $type->getName()) { | ||
|  |                             $signature .= '?'; | ||
|  |                         } | ||
|  |                         $signature .= substr(strrchr('\\'.$type->getName(), '\\'), 1).' '; | ||
|  |                     } | ||
|  |                 } | ||
|  |                 $signature .= $k; | ||
|  | 
 | ||
|  |                 if (!$param->isDefaultValueAvailable()) { | ||
|  |                     continue; | ||
|  |                 } | ||
|  |                 $v = $param->getDefaultValue(); | ||
|  |                 $signature .= ' = '; | ||
|  | 
 | ||
|  |                 if ($param->isDefaultValueConstant()) { | ||
|  |                     $signature .= substr(strrchr('\\'.$param->getDefaultValueConstantName(), '\\'), 1); | ||
|  |                 } elseif (null === $v) { | ||
|  |                     $signature .= 'null'; | ||
|  |                 } elseif (\is_array($v)) { | ||
|  |                     $signature .= $v ? '[…'.\count($v).']' : '[]'; | ||
|  |                 } elseif (\is_string($v)) { | ||
|  |                     $signature .= 10 > \strlen($v) && !str_contains($v, '\\') ? "'{$v}'" : "'…".\strlen($v)."'"; | ||
|  |                 } elseif (\is_bool($v)) { | ||
|  |                     $signature .= $v ? 'true' : 'false'; | ||
|  |                 } elseif (\is_object($v)) { | ||
|  |                     $signature .= 'new '.substr(strrchr('\\'.get_debug_type($v), '\\'), 1); | ||
|  |                 } else { | ||
|  |                     $signature .= $v; | ||
|  |                 } | ||
|  |             } | ||
|  |         } | ||
|  |         $signature = (empty($a[$prefix.'returnsReference']) ? '' : '&').'('.substr($signature, 2).')'; | ||
|  | 
 | ||
|  |         if (isset($a[$prefix.'returnType'])) { | ||
|  |             $signature .= ': '.substr(strrchr('\\'.$a[$prefix.'returnType'], '\\'), 1); | ||
|  |         } | ||
|  | 
 | ||
|  |         return $signature; | ||
|  |     } | ||
|  | 
 | ||
|  |     private static function addExtra(array &$a, \Reflector $c) | ||
|  |     { | ||
|  |         $x = isset($a[Caster::PREFIX_VIRTUAL.'extra']) ? $a[Caster::PREFIX_VIRTUAL.'extra']->value : []; | ||
|  | 
 | ||
|  |         if (method_exists($c, 'getFileName') && $m = $c->getFileName()) { | ||
|  |             $x['file'] = new LinkStub($m, $c->getStartLine()); | ||
|  |             $x['line'] = $c->getStartLine().' to '.$c->getEndLine(); | ||
|  |         } | ||
|  | 
 | ||
|  |         self::addMap($x, $c, self::EXTRA_MAP, ''); | ||
|  | 
 | ||
|  |         if ($x) { | ||
|  |             $a[Caster::PREFIX_VIRTUAL.'extra'] = new EnumStub($x); | ||
|  |         } | ||
|  |     } | ||
|  | 
 | ||
|  |     private static function addMap(array &$a, $c, array $map, string $prefix = Caster::PREFIX_VIRTUAL) | ||
|  |     { | ||
|  |         foreach ($map as $k => $m) { | ||
|  |             if (\PHP_VERSION_ID >= 80000 && 'isDisabled' === $k) { | ||
|  |                 continue; | ||
|  |             } | ||
|  | 
 | ||
|  |             if (method_exists($c, $m) && false !== ($m = $c->$m()) && null !== $m) { | ||
|  |                 $a[$prefix.$k] = $m instanceof \Reflector ? $m->name : $m; | ||
|  |             } | ||
|  |         } | ||
|  |     } | ||
|  | } |