vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/DocParser.php line 474
<?phpnamespace Doctrine\Common\Annotations;use Doctrine\Common\Annotations\Annotation\Attribute;use Doctrine\Common\Annotations\Annotation\Attributes;use Doctrine\Common\Annotations\Annotation\Enum;use Doctrine\Common\Annotations\Annotation\NamedArgumentConstructor;use Doctrine\Common\Annotations\Annotation\Target;use ReflectionClass;use ReflectionException;use ReflectionProperty;use RuntimeException;use stdClass;use Throwable;use function array_keys;use function array_map;use function array_pop;use function array_values;use function class_exists;use function constant;use function count;use function defined;use function explode;use function gettype;use function implode;use function in_array;use function interface_exists;use function is_array;use function is_object;use function json_encode;use function ltrim;use function preg_match;use function reset;use function rtrim;use function sprintf;use function stripos;use function strlen;use function strpos;use function strrpos;use function strtolower;use function substr;use function trim;use const PHP_VERSION_ID;/*** A parser for docblock annotations.** It is strongly discouraged to change the default annotation parsing process.*/final class DocParser{/*** An array of all valid tokens for a class name.** @phpstan-var list<int>*/private static $classIdentifiers = [DocLexer::T_IDENTIFIER,DocLexer::T_TRUE,DocLexer::T_FALSE,DocLexer::T_NULL,];/*** The lexer.** @var DocLexer*/private $lexer;/*** Current target context.** @var int*/private $target;/*** Doc parser used to collect annotation target.** @var DocParser*/private static $metadataParser;/*** Flag to control if the current annotation is nested or not.** @var bool*/private $isNestedAnnotation = false;/*** Hashmap containing all use-statements that are to be used when parsing* the given doc block.** @var array<string, class-string>*/private $imports = [];/*** This hashmap is used internally to cache results of class_exists()* look-ups.** @var array<class-string, bool>*/private $classExists = [];/*** Whether annotations that have not been imported should be ignored.** @var bool*/private $ignoreNotImportedAnnotations = false;/*** An array of default namespaces if operating in simple mode.** @var string[]*/private $namespaces = [];/*** A list with annotations that are not causing exceptions when not resolved to an annotation class.** The names must be the raw names as used in the class, not the fully qualified** @var bool[] indexed by annotation name*/private $ignoredAnnotationNames = [];/*** A list with annotations in namespaced format* that are not causing exceptions when not resolved to an annotation class.** @var bool[] indexed by namespace name*/private $ignoredAnnotationNamespaces = [];/** @var string */private $context = '';/*** Hash-map for caching annotation metadata.** @var array<class-string, mixed[]>*/private static $annotationMetadata = [Annotation\Target::class => ['is_annotation' => true,'has_constructor' => true,'has_named_argument_constructor' => false,'properties' => [],'targets_literal' => 'ANNOTATION_CLASS','targets' => Target::TARGET_CLASS,'default_property' => 'value','attribute_types' => ['value' => ['required' => false,'type' => 'array','array_type' => 'string','value' => 'array<string>',],],],Annotation\Attribute::class => ['is_annotation' => true,'has_constructor' => false,'has_named_argument_constructor' => false,'targets_literal' => 'ANNOTATION_ANNOTATION','targets' => Target::TARGET_ANNOTATION,'default_property' => 'name','properties' => ['name' => 'name','type' => 'type','required' => 'required',],'attribute_types' => ['value' => ['required' => true,'type' => 'string','value' => 'string',],'type' => ['required' => true,'type' => 'string','value' => 'string',],'required' => ['required' => false,'type' => 'boolean','value' => 'boolean',],],],Annotation\Attributes::class => ['is_annotation' => true,'has_constructor' => false,'has_named_argument_constructor' => false,'targets_literal' => 'ANNOTATION_CLASS','targets' => Target::TARGET_CLASS,'default_property' => 'value','properties' => ['value' => 'value'],'attribute_types' => ['value' => ['type' => 'array','required' => true,'array_type' => Annotation\Attribute::class,'value' => 'array<' . Annotation\Attribute::class . '>',],],],Annotation\Enum::class => ['is_annotation' => true,'has_constructor' => true,'has_named_argument_constructor' => false,'targets_literal' => 'ANNOTATION_PROPERTY','targets' => Target::TARGET_PROPERTY,'default_property' => 'value','properties' => ['value' => 'value'],'attribute_types' => ['value' => ['type' => 'array','required' => true,],'literal' => ['type' => 'array','required' => false,],],],Annotation\NamedArgumentConstructor::class => ['is_annotation' => true,'has_constructor' => false,'has_named_argument_constructor' => false,'targets_literal' => 'ANNOTATION_CLASS','targets' => Target::TARGET_CLASS,'default_property' => null,'properties' => [],'attribute_types' => [],],];/*** Hash-map for handle types declaration.** @var array<string, string>*/private static $typeMap = ['float' => 'double','bool' => 'boolean',// allow uppercase Boolean in honor of George Boole'Boolean' => 'boolean','int' => 'integer',];/*** Constructs a new DocParser.*/public function __construct(){$this->lexer = new DocLexer();}/*** Sets the annotation names that are ignored during the parsing process.** The names are supposed to be the raw names as used in the class, not the* fully qualified class names.** @param bool[] $names indexed by annotation name** @return void*/public function setIgnoredAnnotationNames(array $names){$this->ignoredAnnotationNames = $names;}/*** Sets the annotation namespaces that are ignored during the parsing process.** @param bool[] $ignoredAnnotationNamespaces indexed by annotation namespace name** @return void*/public function setIgnoredAnnotationNamespaces($ignoredAnnotationNamespaces){$this->ignoredAnnotationNamespaces = $ignoredAnnotationNamespaces;}/*** Sets ignore on not-imported annotations.** @param bool $bool** @return void*/public function setIgnoreNotImportedAnnotations($bool){$this->ignoreNotImportedAnnotations = (bool) $bool;}/*** Sets the default namespaces.** @param string $namespace** @return void** @throws RuntimeException*/public function addNamespace($namespace){if ($this->imports) {throw new RuntimeException('You must either use addNamespace(), or setImports(), but not both.');}$this->namespaces[] = $namespace;}/*** Sets the imports.** @param array<string, class-string> $imports** @return void** @throws RuntimeException*/public function setImports(array $imports){if ($this->namespaces) {throw new RuntimeException('You must either use addNamespace(), or setImports(), but not both.');}$this->imports = $imports;}/*** Sets current target context as bitmask.** @param int $target** @return void*/public function setTarget($target){$this->target = $target;}/*** Parses the given docblock string for annotations.** @param string $input The docblock string to parse.* @param string $context The parsing context.** @phpstan-return list<object> Array of annotations. If no annotations are found, an empty array is returned.** @throws AnnotationException* @throws ReflectionException*/public function parse($input, $context = ''){$pos = $this->findInitialTokenPosition($input);if ($pos === null) {return [];}$this->context = $context;$this->lexer->setInput(trim(substr($input, $pos), '* /'));$this->lexer->moveNext();return $this->Annotations();}/*** Finds the first valid annotation** @param string $input The docblock string to parse*/private function findInitialTokenPosition($input): ?int{$pos = 0;// search for first valid annotationwhile (($pos = strpos($input, '@', $pos)) !== false) {$preceding = substr($input, $pos - 1, 1);// if the @ is preceded by a space, a tab or * it is validif ($pos === 0 || $preceding === ' ' || $preceding === '*' || $preceding === "\t") {return $pos;}$pos++;}return null;}/*** Attempts to match the given token with the current lookahead token.* If they match, updates the lookahead token; otherwise raises a syntax error.** @param int $token Type of token.** @return bool True if tokens match; false otherwise.** @throws AnnotationException*/private function match(int $token): bool{if (! $this->lexer->isNextToken($token)) {throw $this->syntaxError($this->lexer->getLiteral($token));}return $this->lexer->moveNext();}/*** Attempts to match the current lookahead token with any of the given tokens.** If any of them matches, this method updates the lookahead token; otherwise* a syntax error is raised.** @phpstan-param list<mixed[]> $tokens** @throws AnnotationException*/private function matchAny(array $tokens): bool{if (! $this->lexer->isNextTokenAny($tokens)) {throw $this->syntaxError(implode(' or ', array_map([$this->lexer, 'getLiteral'], $tokens)));}return $this->lexer->moveNext();}/*** Generates a new syntax error.** @param string $expected Expected string.* @param mixed[]|null $token Optional token.*/private function syntaxError(string $expected, ?array $token = null): AnnotationException{if ($token === null) {$token = $this->lexer->lookahead;}$message = sprintf('Expected %s, got ', $expected);$message .= $this->lexer->lookahead === null? 'end of string': sprintf("'%s' at position %s", $token['value'], $token['position']);if (strlen($this->context)) {$message .= ' in ' . $this->context;}$message .= '.';return AnnotationException::syntaxError($message);}/*** Attempts to check if a class exists or not. This never goes through the PHP autoloading mechanism* but uses the {@link AnnotationRegistry} to load classes.** @param class-string $fqcn*/private function classExists(string $fqcn): bool{if (isset($this->classExists[$fqcn])) {return $this->classExists[$fqcn];}// first check if the class already exists, maybe loaded through another AnnotationReaderif (class_exists($fqcn, false)) {return $this->classExists[$fqcn] = true;}// final check, does this class exist?return $this->classExists[$fqcn] = AnnotationRegistry::loadAnnotationClass($fqcn);}/*** Collects parsing metadata for a given annotation class** @param class-string $name The annotation name** @throws AnnotationException* @throws ReflectionException*/private function collectAnnotationMetadata(string $name): void{if (self::$metadataParser === null) {self::$metadataParser = new self();self::$metadataParser->setIgnoreNotImportedAnnotations(true);self::$metadataParser->setIgnoredAnnotationNames($this->ignoredAnnotationNames);self::$metadataParser->setImports(['enum' => Enum::class,'target' => Target::class,'attribute' => Attribute::class,'attributes' => Attributes::class,'namedargumentconstructor' => NamedArgumentConstructor::class,]);// Make sure that annotations from metadata are loadedclass_exists(Enum::class);class_exists(Target::class);class_exists(Attribute::class);class_exists(Attributes::class);class_exists(NamedArgumentConstructor::class);}$class = new ReflectionClass($name);$docComment = $class->getDocComment();// Sets default values for annotation metadata$constructor = $class->getConstructor();$metadata = ['default_property' => null,'has_constructor' => $constructor !== null && $constructor->getNumberOfParameters() > 0,'constructor_args' => [],'properties' => [],'property_types' => [],'attribute_types' => [],'targets_literal' => null,'targets' => Target::TARGET_ALL,'is_annotation' => strpos($docComment, '@Annotation') !== false,];$metadata['has_named_argument_constructor'] = $metadata['has_constructor']&& $class->implementsInterface(NamedArgumentConstructorAnnotation::class);// verify that the class is really meant to be an annotationif ($metadata['is_annotation']) {self::$metadataParser->setTarget(Target::TARGET_CLASS);foreach (self::$metadataParser->parse($docComment, 'class @' . $name) as $annotation) {if ($annotation instanceof Target) {$metadata['targets'] = $annotation->targets;$metadata['targets_literal'] = $annotation->literal;continue;}if ($annotation instanceof NamedArgumentConstructor) {$metadata['has_named_argument_constructor'] = $metadata['has_constructor'];if ($metadata['has_named_argument_constructor']) {// choose the first argument as the default property$metadata['default_property'] = $constructor->getParameters()[0]->getName();}}if (! ($annotation instanceof Attributes)) {continue;}foreach ($annotation->value as $attribute) {$this->collectAttributeTypeMetadata($metadata, $attribute);}}// if not has a constructor will inject values into public propertiesif ($metadata['has_constructor'] === false) {// collect all public propertiesforeach ($class->getProperties(ReflectionProperty::IS_PUBLIC) as $property) {$metadata['properties'][$property->name] = $property->name;$propertyComment = $property->getDocComment();if ($propertyComment === false) {continue;}$attribute = new Attribute();$attribute->required = (strpos($propertyComment, '@Required') !== false);$attribute->name = $property->name;$attribute->type = (strpos($propertyComment, '@var') !== false &&preg_match('/@var\s+([^\s]+)/', $propertyComment, $matches))? $matches[1]: 'mixed';$this->collectAttributeTypeMetadata($metadata, $attribute);// checks if the property has @Enumif (strpos($propertyComment, '@Enum') === false) {continue;}$context = 'property ' . $class->name . '::$' . $property->name;self::$metadataParser->setTarget(Target::TARGET_PROPERTY);foreach (self::$metadataParser->parse($propertyComment, $context) as $annotation) {if (! $annotation instanceof Enum) {continue;}$metadata['enum'][$property->name]['value'] = $annotation->value;$metadata['enum'][$property->name]['literal'] = (! empty($annotation->literal))? $annotation->literal: $annotation->value;}}// choose the first property as default property$metadata['default_property'] = reset($metadata['properties']);} elseif ($metadata['has_named_argument_constructor']) {foreach ($constructor->getParameters() as $parameter) {if ($parameter->isVariadic()) {break;}$metadata['constructor_args'][$parameter->getName()] = ['position' => $parameter->getPosition(),'default' => $parameter->isOptional() ? $parameter->getDefaultValue() : null,];}}}self::$annotationMetadata[$name] = $metadata;}/*** Collects parsing metadata for a given attribute.** @param mixed[] $metadata*/private function collectAttributeTypeMetadata(array &$metadata, Attribute $attribute): void{// handle internal type declaration$type = self::$typeMap[$attribute->type] ?? $attribute->type;// handle the case if the property type is mixedif ($type === 'mixed') {return;}// Evaluate type$pos = strpos($type, '<');if ($pos !== false) {// Checks if the property has array<type>$arrayType = substr($type, $pos + 1, -1);$type = 'array';if (isset(self::$typeMap[$arrayType])) {$arrayType = self::$typeMap[$arrayType];}$metadata['attribute_types'][$attribute->name]['array_type'] = $arrayType;} else {// Checks if the property has type[]$pos = strrpos($type, '[');if ($pos !== false) {$arrayType = substr($type, 0, $pos);$type = 'array';if (isset(self::$typeMap[$arrayType])) {$arrayType = self::$typeMap[$arrayType];}$metadata['attribute_types'][$attribute->name]['array_type'] = $arrayType;}}$metadata['attribute_types'][$attribute->name]['type'] = $type;$metadata['attribute_types'][$attribute->name]['value'] = $attribute->type;$metadata['attribute_types'][$attribute->name]['required'] = $attribute->required;}/*** Annotations ::= Annotation {[ "*" ]* [Annotation]}*** @phpstan-return list<object>** @throws AnnotationException* @throws ReflectionException*/private function Annotations(): array{$annotations = [];while ($this->lexer->lookahead !== null) {if ($this->lexer->lookahead['type'] !== DocLexer::T_AT) {$this->lexer->moveNext();continue;}// make sure the @ is preceded by non-catchable patternif ($this->lexer->token !== null &&$this->lexer->lookahead['position'] === $this->lexer->token['position'] + strlen($this->lexer->token['value'])) {$this->lexer->moveNext();continue;}// make sure the @ is followed by either a namespace separator, or// an identifier token$peek = $this->lexer->glimpse();if (($peek === null)|| ($peek['type'] !== DocLexer::T_NAMESPACE_SEPARATOR && ! in_array($peek['type'],self::$classIdentifiers,true))|| $peek['position'] !== $this->lexer->lookahead['position'] + 1) {$this->lexer->moveNext();continue;}$this->isNestedAnnotation = false;$annot = $this->Annotation();if ($annot === false) {continue;}$annotations[] = $annot;}return $annotations;}/*** Annotation ::= "@" AnnotationName MethodCall* AnnotationName ::= QualifiedName | SimpleName* QualifiedName ::= NameSpacePart "\" {NameSpacePart "\"}* SimpleName* NameSpacePart ::= identifier | null | false | true* SimpleName ::= identifier | null | false | true** @return object|false False if it is not a valid annotation.** @throws AnnotationException* @throws ReflectionException*/private function Annotation(){$this->match(DocLexer::T_AT);// check if we have an annotation$name = $this->Identifier();if ($this->lexer->isNextToken(DocLexer::T_MINUS)&& $this->lexer->nextTokenIsAdjacent()) {// Annotations with dashes, such as "@foo-" or "@foo-bar", are to be discardedreturn false;}// only process names which are not fully qualified, yet// fully qualified names must start with a \$originalName = $name;if ($name[0] !== '\\') {$pos = strpos($name, '\\');$alias = ($pos === false) ? $name : substr($name, 0, $pos);$found = false;$loweredAlias = strtolower($alias);if ($this->namespaces) {foreach ($this->namespaces as $namespace) {if ($this->classExists($namespace . '\\' . $name)) {$name = $namespace . '\\' . $name;$found = true;break;}}} elseif (isset($this->imports[$loweredAlias])) {$namespace = ltrim($this->imports[$loweredAlias], '\\');$name = ($pos !== false)? $namespace . substr($name, $pos): $namespace;$found = $this->classExists($name);} elseif (! isset($this->ignoredAnnotationNames[$name])&& isset($this->imports['__NAMESPACE__'])&& $this->classExists($this->imports['__NAMESPACE__'] . '\\' . $name)) {$name = $this->imports['__NAMESPACE__'] . '\\' . $name;$found = true;} elseif (! isset($this->ignoredAnnotationNames[$name]) && $this->classExists($name)) {$found = true;}if (! $found) {if ($this->isIgnoredAnnotation($name)) {return false;}throw AnnotationException::semanticalError(sprintf(<<<'EXCEPTION'The annotation "@%s" in %s was never imported. Did you maybe forget to add a "use" statement for this annotation?EXCEPTION,$name,$this->context));}}$name = ltrim($name, '\\');if (! $this->classExists($name)) {throw AnnotationException::semanticalError(sprintf('The annotation "@%s" in %s does not exist, or could not be auto-loaded.',$name,$this->context));}// at this point, $name contains the fully qualified class name of the// annotation, and it is also guaranteed that this class exists, and// that it is loaded// collects the metadata annotation only if there is not yetif (! isset(self::$annotationMetadata[$name])) {$this->collectAnnotationMetadata($name);}// verify that the class is really meant to be an annotation and not just any ordinary classif (self::$annotationMetadata[$name]['is_annotation'] === false) {if ($this->isIgnoredAnnotation($originalName) || $this->isIgnoredAnnotation($name)) {return false;}throw AnnotationException::semanticalError(sprintf(<<<'EXCEPTION'The class "%s" is not annotated with @Annotation.Are you sure this class can be used as annotation?If so, then you need to add @Annotation to the _class_ doc comment of "%s".If it is indeed no annotation, then you need to add @IgnoreAnnotation("%s") to the _class_ doc comment of %s.EXCEPTION,$name,$name,$originalName,$this->context));}//if target is nested annotation$target = $this->isNestedAnnotation ? Target::TARGET_ANNOTATION : $this->target;// Next will be nested$this->isNestedAnnotation = true;//if annotation does not support current targetif ((self::$annotationMetadata[$name]['targets'] & $target) === 0 && $target) {throw AnnotationException::semanticalError(sprintf(<<<'EXCEPTION'Annotation @%s is not allowed to be declared on %s. You may only use this annotation on these code elements: %s.EXCEPTION,$originalName,$this->context,self::$annotationMetadata[$name]['targets_literal']));}$arguments = $this->MethodCall();$values = $this->resolvePositionalValues($arguments, $name);if (isset(self::$annotationMetadata[$name]['enum'])) {// checks all declared attributesforeach (self::$annotationMetadata[$name]['enum'] as $property => $enum) {// checks if the attribute is a valid enumeratorif (isset($values[$property]) && ! in_array($values[$property], $enum['value'])) {throw AnnotationException::enumeratorError($property,$name,$this->context,$enum['literal'],$values[$property]);}}}// checks all declared attributesforeach (self::$annotationMetadata[$name]['attribute_types'] as $property => $type) {if ($property === self::$annotationMetadata[$name]['default_property']&& ! isset($values[$property]) && isset($values['value'])) {$property = 'value';}// handle a not given attribute or null valueif (! isset($values[$property])) {if ($type['required']) {throw AnnotationException::requiredError($property,$originalName,$this->context,'a(n) ' . $type['value']);}continue;}if ($type['type'] === 'array') {// handle the case of a single valueif (! is_array($values[$property])) {$values[$property] = [$values[$property]];}// checks if the attribute has array type declaration, such as "array<string>"if (isset($type['array_type'])) {foreach ($values[$property] as $item) {if (gettype($item) !== $type['array_type'] && ! $item instanceof $type['array_type']) {throw AnnotationException::attributeTypeError($property,$originalName,$this->context,'either a(n) ' . $type['array_type'] . ', or an array of ' . $type['array_type'] . 's',$item);}}}} elseif (gettype($values[$property]) !== $type['type'] && ! $values[$property] instanceof $type['type']) {throw AnnotationException::attributeTypeError($property,$originalName,$this->context,'a(n) ' . $type['value'],$values[$property]);}}if (self::$annotationMetadata[$name]['has_named_argument_constructor']) {if (PHP_VERSION_ID >= 80000) {foreach ($values as $property => $value) {if (! isset(self::$annotationMetadata[$name]['constructor_args'][$property])) {throw AnnotationException::creationError(sprintf(<<<'EXCEPTION'The annotation @%s declared on %s does not have a property named "%s"that can be set through its named arguments constructor.Available named arguments: %sEXCEPTION,$originalName,$this->context,$property,implode(', ', array_keys(self::$annotationMetadata[$name]['constructor_args']))));}}return $this->instantiateAnnotiation($originalName, $this->context, $name, $values);}$positionalValues = [];foreach (self::$annotationMetadata[$name]['constructor_args'] as $property => $parameter) {$positionalValues[$parameter['position']] = $parameter['default'];}foreach ($values as $property => $value) {if (! isset(self::$annotationMetadata[$name]['constructor_args'][$property])) {throw AnnotationException::creationError(sprintf(<<<'EXCEPTION'The annotation @%s declared on %s does not have a property named "%s"that can be set through its named arguments constructor.Available named arguments: %sEXCEPTION,$originalName,$this->context,$property,implode(', ', array_keys(self::$annotationMetadata[$name]['constructor_args']))));}$positionalValues[self::$annotationMetadata[$name]['constructor_args'][$property]['position']] = $value;}return $this->instantiateAnnotiation($originalName, $this->context, $name, $positionalValues);}// check if the annotation expects values via the constructor,// or directly injected into public propertiesif (self::$annotationMetadata[$name]['has_constructor'] === true) {return $this->instantiateAnnotiation($originalName, $this->context, $name, [$values]);}$instance = $this->instantiateAnnotiation($originalName, $this->context, $name, []);foreach ($values as $property => $value) {if (! isset(self::$annotationMetadata[$name]['properties'][$property])) {if ($property !== 'value') {throw AnnotationException::creationError(sprintf(<<<'EXCEPTION'The annotation @%s declared on %s does not have a property named "%s".Available properties: %sEXCEPTION,$originalName,$this->context,$property,implode(', ', self::$annotationMetadata[$name]['properties'])));}// handle the case if the property has no annotations$property = self::$annotationMetadata[$name]['default_property'];if (! $property) {throw AnnotationException::creationError(sprintf('The annotation @%s declared on %s does not accept any values, but got %s.',$originalName,$this->context,json_encode($values)));}}$instance->{$property} = $value;}return $instance;}/*** MethodCall ::= ["(" [Values] ")"]** @return mixed[]** @throws AnnotationException* @throws ReflectionException*/private function MethodCall(): array{$values = [];if (! $this->lexer->isNextToken(DocLexer::T_OPEN_PARENTHESIS)) {return $values;}$this->match(DocLexer::T_OPEN_PARENTHESIS);if (! $this->lexer->isNextToken(DocLexer::T_CLOSE_PARENTHESIS)) {$values = $this->Values();}$this->match(DocLexer::T_CLOSE_PARENTHESIS);return $values;}/*** Values ::= Array | Value {"," Value}* [","]** @return mixed[]** @throws AnnotationException* @throws ReflectionException*/private function Values(): array{$values = [$this->Value()];while ($this->lexer->isNextToken(DocLexer::T_COMMA)) {$this->match(DocLexer::T_COMMA);if ($this->lexer->isNextToken(DocLexer::T_CLOSE_PARENTHESIS)) {break;}$token = $this->lexer->lookahead;$value = $this->Value();$values[] = $value;}$namedArguments = [];$positionalArguments = [];foreach ($values as $k => $value) {if (is_object($value) && $value instanceof stdClass) {$namedArguments[$value->name] = $value->value;} else {$positionalArguments[$k] = $value;}}return ['named_arguments' => $namedArguments, 'positional_arguments' => $positionalArguments];}/*** Constant ::= integer | string | float | boolean** @return mixed** @throws AnnotationException*/private function Constant(){$identifier = $this->Identifier();if (! defined($identifier) && strpos($identifier, '::') !== false && $identifier[0] !== '\\') {[$className, $const] = explode('::', $identifier);$pos = strpos($className, '\\');$alias = ($pos === false) ? $className : substr($className, 0, $pos);$found = false;$loweredAlias = strtolower($alias);switch (true) {case ! empty($this->namespaces):foreach ($this->namespaces as $ns) {if (class_exists($ns . '\\' . $className) || interface_exists($ns . '\\' . $className)) {$className = $ns . '\\' . $className;$found = true;break;}}break;case isset($this->imports[$loweredAlias]):$found = true;$className = ($pos !== false)? $this->imports[$loweredAlias] . substr($className, $pos): $this->imports[$loweredAlias];break;default:if (isset($this->imports['__NAMESPACE__'])) {$ns = $this->imports['__NAMESPACE__'];if (class_exists($ns . '\\' . $className) || interface_exists($ns . '\\' . $className)) {$className = $ns . '\\' . $className;$found = true;}}break;}if ($found) {$identifier = $className . '::' . $const;}}/*** Checks if identifier ends with ::class and remove the leading backslash if it exists.*/if ($this->identifierEndsWithClassConstant($identifier) &&! $this->identifierStartsWithBackslash($identifier)) {return substr($identifier, 0, $this->getClassConstantPositionInIdentifier($identifier));}if ($this->identifierEndsWithClassConstant($identifier) && $this->identifierStartsWithBackslash($identifier)) {return substr($identifier, 1, $this->getClassConstantPositionInIdentifier($identifier) - 1);}if (! defined($identifier)) {throw AnnotationException::semanticalErrorConstants($identifier, $this->context);}return constant($identifier);}private function identifierStartsWithBackslash(string $identifier): bool{return $identifier[0] === '\\';}private function identifierEndsWithClassConstant(string $identifier): bool{return $this->getClassConstantPositionInIdentifier($identifier) === strlen($identifier) - strlen('::class');}/** @return int|false */private function getClassConstantPositionInIdentifier(string $identifier){return stripos($identifier, '::class');}/*** Identifier ::= string** @throws AnnotationException*/private function Identifier(): string{// check if we have an annotationif (! $this->lexer->isNextTokenAny(self::$classIdentifiers)) {throw $this->syntaxError('namespace separator or identifier');}$this->lexer->moveNext();$className = $this->lexer->token['value'];while ($this->lexer->lookahead !== null &&$this->lexer->lookahead['position'] === ($this->lexer->token['position'] +strlen($this->lexer->token['value'])) &&$this->lexer->isNextToken(DocLexer::T_NAMESPACE_SEPARATOR)) {$this->match(DocLexer::T_NAMESPACE_SEPARATOR);$this->matchAny(self::$classIdentifiers);$className .= '\\' . $this->lexer->token['value'];}return $className;}/*** Value ::= PlainValue | FieldAssignment** @return mixed** @throws AnnotationException* @throws ReflectionException*/private function Value(){$peek = $this->lexer->glimpse();if ($peek['type'] === DocLexer::T_EQUALS) {return $this->FieldAssignment();}return $this->PlainValue();}/*** PlainValue ::= integer | string | float | boolean | Array | Annotation** @return mixed** @throws AnnotationException* @throws ReflectionException*/private function PlainValue(){if ($this->lexer->isNextToken(DocLexer::T_OPEN_CURLY_BRACES)) {return $this->Arrayx();}if ($this->lexer->isNextToken(DocLexer::T_AT)) {return $this->Annotation();}if ($this->lexer->isNextToken(DocLexer::T_IDENTIFIER)) {return $this->Constant();}switch ($this->lexer->lookahead['type']) {case DocLexer::T_STRING:$this->match(DocLexer::T_STRING);return $this->lexer->token['value'];case DocLexer::T_INTEGER:$this->match(DocLexer::T_INTEGER);return (int) $this->lexer->token['value'];case DocLexer::T_FLOAT:$this->match(DocLexer::T_FLOAT);return (float) $this->lexer->token['value'];case DocLexer::T_TRUE:$this->match(DocLexer::T_TRUE);return true;case DocLexer::T_FALSE:$this->match(DocLexer::T_FALSE);return false;case DocLexer::T_NULL:$this->match(DocLexer::T_NULL);return null;default:throw $this->syntaxError('PlainValue');}}/*** FieldAssignment ::= FieldName "=" PlainValue* FieldName ::= identifier** @throws AnnotationException* @throws ReflectionException*/private function FieldAssignment(): stdClass{$this->match(DocLexer::T_IDENTIFIER);$fieldName = $this->lexer->token['value'];$this->match(DocLexer::T_EQUALS);$item = new stdClass();$item->name = $fieldName;$item->value = $this->PlainValue();return $item;}/*** Array ::= "{" ArrayEntry {"," ArrayEntry}* [","] "}"** @return mixed[]** @throws AnnotationException* @throws ReflectionException*/private function Arrayx(): array{$array = $values = [];$this->match(DocLexer::T_OPEN_CURLY_BRACES);// If the array is empty, stop parsing and return.if ($this->lexer->isNextToken(DocLexer::T_CLOSE_CURLY_BRACES)) {$this->match(DocLexer::T_CLOSE_CURLY_BRACES);return $array;}$values[] = $this->ArrayEntry();while ($this->lexer->isNextToken(DocLexer::T_COMMA)) {$this->match(DocLexer::T_COMMA);// optional trailing commaif ($this->lexer->isNextToken(DocLexer::T_CLOSE_CURLY_BRACES)) {break;}$values[] = $this->ArrayEntry();}$this->match(DocLexer::T_CLOSE_CURLY_BRACES);foreach ($values as $value) {[$key, $val] = $value;if ($key !== null) {$array[$key] = $val;} else {$array[] = $val;}}return $array;}/*** ArrayEntry ::= Value | KeyValuePair* KeyValuePair ::= Key ("=" | ":") PlainValue | Constant* Key ::= string | integer | Constant** @phpstan-return array{mixed, mixed}** @throws AnnotationException* @throws ReflectionException*/private function ArrayEntry(): array{$peek = $this->lexer->glimpse();if ($peek['type'] === DocLexer::T_EQUALS|| $peek['type'] === DocLexer::T_COLON) {if ($this->lexer->isNextToken(DocLexer::T_IDENTIFIER)) {$key = $this->Constant();} else {$this->matchAny([DocLexer::T_INTEGER, DocLexer::T_STRING]);$key = $this->lexer->token['value'];}$this->matchAny([DocLexer::T_EQUALS, DocLexer::T_COLON]);return [$key, $this->PlainValue()];}return [null, $this->Value()];}/*** Checks whether the given $name matches any ignored annotation name or namespace*/private function isIgnoredAnnotation(string $name): bool{if ($this->ignoreNotImportedAnnotations || isset($this->ignoredAnnotationNames[$name])) {return true;}foreach (array_keys($this->ignoredAnnotationNamespaces) as $ignoredAnnotationNamespace) {$ignoredAnnotationNamespace = rtrim($ignoredAnnotationNamespace, '\\') . '\\';if (stripos(rtrim($name, '\\') . '\\', $ignoredAnnotationNamespace) === 0) {return true;}}return false;}/*** Resolve positional arguments (without name) to named ones** @param array<string,mixed> $arguments** @return array<string,mixed>*/private function resolvePositionalValues(array $arguments, string $name): array{$positionalArguments = $arguments['positional_arguments'] ?? [];$values = $arguments['named_arguments'] ?? [];if (self::$annotationMetadata[$name]['has_named_argument_constructor']&& self::$annotationMetadata[$name]['default_property'] !== null) {// We must ensure that we don't have positional arguments after named ones$positions = array_keys($positionalArguments);$lastPosition = null;foreach ($positions as $position) {if (($lastPosition === null && $position !== 0) ||($lastPosition !== null && $position !== $lastPosition + 1)) {throw $this->syntaxError('Positional arguments after named arguments is not allowed');}$lastPosition = $position;}foreach (self::$annotationMetadata[$name]['constructor_args'] as $property => $parameter) {$position = $parameter['position'];if (isset($values[$property]) || ! isset($positionalArguments[$position])) {continue;}$values[$property] = $positionalArguments[$position];}} else {if (count($positionalArguments) > 0 && ! isset($values['value'])) {if (count($positionalArguments) === 1) {$value = array_pop($positionalArguments);} else {$value = array_values($positionalArguments);}$values['value'] = $value;}}return $values;}/*** Try to instantiate the annotation and catch and process any exceptions related to failure** @param class-string $name* @param array<string,mixed> $arguments** @return object** @throws AnnotationException*/private function instantiateAnnotiation(string $originalName, string $context, string $name, array $arguments){try {return new $name(...$arguments);} catch (Throwable $exception) {throw AnnotationException::creationError(sprintf('An error occurred while instantiating the annotation @%s declared on %s: "%s".',$originalName,$context,$exception->getMessage()),$exception);}}}