| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442 | <?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 */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, bool $isNested, int $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, bool $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, bool $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 castAttribute(\ReflectionAttribute $c, array $a, Stub $stub, bool $isNested)    {        self::addMap($a, $c, [            'name' => 'getName',            'arguments' => 'getArguments',        ]);        return $a;    }    public static function castReflectionGenerator(\ReflectionGenerator $c, array $a, Stub $stub, bool $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, bool $isNested, int $filter = 0)    {        $prefix = Caster::PREFIX_VIRTUAL;        if ($n = \Reflection::getModifierNames($c->getModifiers())) {            $a[$prefix.'modifiers'] = implode(' ', $n);        }        self::addMap($a, $c, [            'extends' => 'getParentClass',            'implements' => 'getInterfaceNames',            'constants' => 'getReflectionConstants',        ]);        foreach ($c->getProperties() as $n) {            $a[$prefix.'properties'][$n->name] = $n;        }        foreach ($c->getMethods() as $n) {            $a[$prefix.'methods'][$n->name] = $n;        }        self::addAttributes($a, $c, $prefix);        if (!($filter & Caster::EXCLUDE_VERBOSE) && !$isNested) {            self::addExtra($a, $c);        }        return $a;    }    public static function castFunctionAbstract(\ReflectionFunctionAbstract $c, array $a, Stub $stub, bool $isNested, int $filter = 0)    {        $prefix = Caster::PREFIX_VIRTUAL;        self::addMap($a, $c, [            'returnsReference' => 'returnsReference',            'returnType' => 'getReturnType',            'class' => \PHP_VERSION_ID >= 80111 ? 'getClosureCalledClass' : 'getClosureScopeClass',            'this' => 'getClosureThis',        ]);        if (isset($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']);        }        self::addAttributes($a, $c, $prefix);        if (!($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 castClassConstant(\ReflectionClassConstant $c, array $a, Stub $stub, bool $isNested)    {        $a[Caster::PREFIX_VIRTUAL.'modifiers'] = implode(' ', \Reflection::getModifierNames($c->getModifiers()));        $a[Caster::PREFIX_VIRTUAL.'value'] = $c->getValue();        self::addAttributes($a, $c);        return $a;    }    public static function castMethod(\ReflectionMethod $c, array $a, Stub $stub, bool $isNested)    {        $a[Caster::PREFIX_VIRTUAL.'modifiers'] = implode(' ', \Reflection::getModifierNames($c->getModifiers()));        return $a;    }    public static function castParameter(\ReflectionParameter $c, array $a, Stub $stub, bool $isNested)    {        $prefix = Caster::PREFIX_VIRTUAL;        self::addMap($a, $c, [            'position' => 'getPosition',            'isVariadic' => 'isVariadic',            'byReference' => 'isPassedByReference',            'allowsNull' => 'allowsNull',        ]);        self::addAttributes($a, $c, $prefix);        if ($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() && !\is_object($v)) {                    $a[$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, bool $isNested)    {        $a[Caster::PREFIX_VIRTUAL.'modifiers'] = implode(' ', \Reflection::getModifierNames($c->getModifiers()));        self::addAttributes($a, $c);        self::addExtra($a, $c);        return $a;    }    public static function castReference(\ReflectionReference $c, array $a, Stub $stub, bool $isNested)    {        $a[Caster::PREFIX_VIRTUAL.'id'] = $c->getId();        return $a;    }    public static function castExtension(\ReflectionExtension $c, array $a, Stub $stub, bool $isNested)    {        self::addMap($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, bool $isNested)    {        self::addMap($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, object $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 : $m;            }        }    }    private static function addAttributes(array &$a, \Reflector $c, string $prefix = Caster::PREFIX_VIRTUAL): void    {        if (\PHP_VERSION_ID >= 80000) {            foreach ($c->getAttributes() as $n) {                $a[$prefix.'attributes'][] = $n;            }        }    }}
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