diff vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/DocParser.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/DocParser.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,1138 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Common\Annotations;
+
+use Doctrine\Common\Annotations\Annotation\Attribute;
+use ReflectionClass;
+use Doctrine\Common\Annotations\Annotation\Enum;
+use Doctrine\Common\Annotations\Annotation\Target;
+use Doctrine\Common\Annotations\Annotation\Attributes;
+
+/**
+ * A parser for docblock annotations.
+ *
+ * It is strongly discouraged to change the default annotation parsing process.
+ *
+ * @author Benjamin Eberlei <[e-mail]>
+ * @author Guilherme Blanco <[e-mail]>
+ * @author Jonathan Wage <[e-mail]>
+ * @author Roman Borschel <[e-mail]>
+ * @author Johannes M. Schmitt <[e-mail]>
+ * @author Fabio B. Silva <[e-mail]>
+ */
+final class DocParser
+{
+    /**
+     * An array of all valid tokens for a class name.
+     *
+     * @var array
+     */
+    private static $classIdentifiers = array(
+        DocLexer::T_IDENTIFIER,
+        DocLexer::T_TRUE,
+        DocLexer::T_FALSE,
+        DocLexer::T_NULL
+    );
+
+    /**
+     * The lexer.
+     *
+     * @var \Doctrine\Common\Annotations\DocLexer
+     */
+    private $lexer;
+
+    /**
+     * Current target context.
+     *
+     * @var string
+     */
+    private $target;
+
+    /**
+     * Doc parser used to collect annotation target.
+     *
+     * @var \Doctrine\Common\Annotations\DocParser
+     */
+    private static $metadataParser;
+
+    /**
+     * Flag to control if the current annotation is nested or not.
+     *
+     * @var boolean
+     */
+    private $isNestedAnnotation = false;
+
+    /**
+     * Hashmap containing all use-statements that are to be used when parsing
+     * the given doc block.
+     *
+     * @var array
+     */
+    private $imports = array();
+
+    /**
+     * This hashmap is used internally to cache results of class_exists()
+     * look-ups.
+     *
+     * @var array
+     */
+    private $classExists = array();
+
+    /**
+     * Whether annotations that have not been imported should be ignored.
+     *
+     * @var boolean
+     */
+    private $ignoreNotImportedAnnotations = false;
+
+    /**
+     * An array of default namespaces if operating in simple mode.
+     *
+     * @var array
+     */
+    private $namespaces = array();
+
+    /**
+     * 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
+     * class names.
+     *
+     * @var array
+     */
+    private $ignoredAnnotationNames = array();
+
+    /**
+     * @var string
+     */
+    private $context = '';
+
+    /**
+     * Hash-map for caching annotation metadata.
+     *
+     * @var array
+     */
+    private static $annotationMetadata = array(
+        'Doctrine\Common\Annotations\Annotation\Target' => array(
+            'is_annotation'    => true,
+            'has_constructor'  => true,
+            'properties'       => array(),
+            'targets_literal'  => 'ANNOTATION_CLASS',
+            'targets'          => Target::TARGET_CLASS,
+            'default_property' => 'value',
+            'attribute_types'  => array(
+                'value'  => array(
+                    'required'  => false,
+                    'type'      =>'array',
+                    'array_type'=>'string',
+                    'value'     =>'array<string>'
+                )
+             ),
+        ),
+        'Doctrine\Common\Annotations\Annotation\Attribute' => array(
+            'is_annotation'    => true,
+            'has_constructor'  => false,
+            'targets_literal'  => 'ANNOTATION_ANNOTATION',
+            'targets'          => Target::TARGET_ANNOTATION,
+            'default_property' => 'name',
+            'properties'       => array(
+                'name'      => 'name',
+                'type'      => 'type',
+                'required'  => 'required'
+            ),
+            'attribute_types'  => array(
+                'value'  => array(
+                    'required'  => true,
+                    'type'      =>'string',
+                    'value'     =>'string'
+                ),
+                'type'  => array(
+                    'required'  =>true,
+                    'type'      =>'string',
+                    'value'     =>'string'
+                ),
+                'required'  => array(
+                    'required'  =>false,
+                    'type'      =>'boolean',
+                    'value'     =>'boolean'
+                )
+             ),
+        ),
+        'Doctrine\Common\Annotations\Annotation\Attributes' => array(
+            'is_annotation'    => true,
+            'has_constructor'  => false,
+            'targets_literal'  => 'ANNOTATION_CLASS',
+            'targets'          => Target::TARGET_CLASS,
+            'default_property' => 'value',
+            'properties'       => array(
+                'value' => 'value'
+            ),
+            'attribute_types'  => array(
+                'value' => array(
+                    'type'      =>'array',
+                    'required'  =>true,
+                    'array_type'=>'Doctrine\Common\Annotations\Annotation\Attribute',
+                    'value'     =>'array<Doctrine\Common\Annotations\Annotation\Attribute>'
+                )
+             ),
+        ),
+        'Doctrine\Common\Annotations\Annotation\Enum' => array(
+            'is_annotation'    => true,
+            'has_constructor'  => true,
+            'targets_literal'  => 'ANNOTATION_PROPERTY',
+            'targets'          => Target::TARGET_PROPERTY,
+            'default_property' => 'value',
+            'properties'       => array(
+                'value' => 'value'
+            ),
+            'attribute_types'  => array(
+                'value' => array(
+                    'type'      => 'array',
+                    'required'  => true,
+                ),
+                'literal' => array(
+                    'type'      => 'array',
+                    'required'  => false,
+                ),
+             ),
+        ),
+    );
+
+    /**
+     * Hash-map for handle types declaration.
+     *
+     * @var array
+     */
+    private static $typeMap = array(
+        '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 array $names
+     *
+     * @return void
+     */
+    public function setIgnoredAnnotationNames(array $names)
+    {
+        $this->ignoredAnnotationNames = $names;
+    }
+
+    /**
+     * Sets ignore on not-imported annotations.
+     *
+     * @param boolean $bool
+     *
+     * @return void
+     */
+    public function setIgnoreNotImportedAnnotations($bool)
+    {
+        $this->ignoreNotImportedAnnotations = (boolean) $bool;
+    }
+
+    /**
+     * Sets the default namespaces.
+     *
+     * @param array $namespace
+     *
+     * @return void
+     *
+     * @throws \RuntimeException
+     */
+    public function addNamespace($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 $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 integer $target
+     *
+     * @return void
+     */
+    public function setTarget($target)
+    {
+        $this->target = $target;
+    }
+
+    /**
+     * Parses the given docblock string for annotations.
+     *
+     * @param string $input   The docblock string to parse.
+     * @param string $context The parsing context.
+     *
+     * @return array Array of annotations. If no annotations are found, an empty array is returned.
+     */
+    public function parse($input, $context = '')
+    {
+        $pos = $this->findInitialTokenPosition($input);
+        if ($pos === null) {
+            return array();
+        }
+
+        $this->context = $context;
+
+        $this->lexer->setInput(trim(substr($input, $pos), '* /'));
+        $this->lexer->moveNext();
+
+        return $this->Annotations();
+    }
+
+    /**
+     * Finds the first valid annotation
+     *
+     * @param string $input The docblock string to parse
+     *
+     * @return int|null
+     */
+    private function findInitialTokenPosition($input)
+    {
+        $pos = 0;
+
+        // search for first valid annotation
+        while (($pos = strpos($input, '@', $pos)) !== false) {
+            // if the @ is preceded by a space or * it is valid
+            if ($pos === 0 || $input[$pos - 1] === ' ' || $input[$pos - 1] === '*') {
+                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 integer $token Type of token.
+     *
+     * @return boolean True if tokens match; false otherwise.
+     */
+    private function match($token)
+    {
+        if ( ! $this->lexer->isNextToken($token) ) {
+            $this->syntaxError($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.
+     *
+     * @param array $tokens
+     *
+     * @return boolean
+     */
+    private function matchAny(array $tokens)
+    {
+        if ( ! $this->lexer->isNextTokenAny($tokens)) {
+            $this->syntaxError(implode(' or ', array_map(array($this->lexer, 'getLiteral'), $tokens)));
+        }
+
+        return $this->lexer->moveNext();
+    }
+
+    /**
+     * Generates a new syntax error.
+     *
+     * @param string     $expected Expected string.
+     * @param array|null $token    Optional token.
+     *
+     * @return void
+     *
+     * @throws AnnotationException
+     */
+    private function syntaxError($expected, $token = null)
+    {
+        if ($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;
+        }
+
+        $message .= '.';
+
+        throw AnnotationException::syntaxError($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 string $fqcn
+     *
+     * @return boolean
+     */
+    private function classExists($fqcn)
+    {
+        if (isset($this->classExists[$fqcn])) {
+            return $this->classExists[$fqcn];
+        }
+
+        // first check if the class already exists, maybe loaded through another AnnotationReader
+        if (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 string $name The annotation name
+     *
+     * @return void
+     */
+    private function collectAnnotationMetadata($name)
+    {
+        if (self::$metadataParser === null) {
+            self::$metadataParser = new self();
+
+            self::$metadataParser->setIgnoreNotImportedAnnotations(true);
+            self::$metadataParser->setIgnoredAnnotationNames($this->ignoredAnnotationNames);
+            self::$metadataParser->setImports(array(
+                'enum'          => 'Doctrine\Common\Annotations\Annotation\Enum',
+                'target'        => 'Doctrine\Common\Annotations\Annotation\Target',
+                'attribute'     => 'Doctrine\Common\Annotations\Annotation\Attribute',
+                'attributes'    => 'Doctrine\Common\Annotations\Annotation\Attributes'
+            ));
+
+            AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Enum.php');
+            AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Target.php');
+            AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Attribute.php');
+            AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Attributes.php');
+        }
+
+        $class      = new \ReflectionClass($name);
+        $docComment = $class->getDocComment();
+
+        // Sets default values for annotation metadata
+        $metadata = array(
+            'default_property' => null,
+            'has_constructor'  => (null !== $constructor = $class->getConstructor()) && $constructor->getNumberOfParameters() > 0,
+            'properties'       => array(),
+            'property_types'   => array(),
+            'attribute_types'  => array(),
+            'targets_literal'  => null,
+            'targets'          => Target::TARGET_ALL,
+            'is_annotation'    => false !== strpos($docComment, '@Annotation'),
+        );
+
+        // verify that the class is really meant to be an annotation
+        if ($metadata['is_annotation']) {
+            self::$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 Attributes) {
+                    foreach ($annotation->value as $attribute) {
+                        $this->collectAttributeTypeMetadata($metadata, $attribute);
+                    }
+                }
+            }
+
+            // if not has a constructor will inject values into public properties
+            if (false === $metadata['has_constructor']) {
+                // collect all public properties
+                foreach ($class->getProperties(\ReflectionProperty::IS_PUBLIC) as $property) {
+                    $metadata['properties'][$property->name] = $property->name;
+
+                    if (false === ($propertyComment = $property->getDocComment())) {
+                        continue;
+                    }
+
+                    $attribute = new Attribute();
+
+                    $attribute->required = (false !== strpos($propertyComment, '@Required'));
+                    $attribute->name     = $property->name;
+                    $attribute->type     = (false !== strpos($propertyComment, '@var') && preg_match('/@var\s+([^\s]+)/',$propertyComment, $matches))
+                        ? $matches[1]
+                        : 'mixed';
+
+                    $this->collectAttributeTypeMetadata($metadata, $attribute);
+
+                    // checks if the property has @Enum
+                    if (false !== strpos($propertyComment, '@Enum')) {
+                        $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']);
+            }
+        }
+
+        self::$annotationMetadata[$name] = $metadata;
+    }
+
+    /**
+     * Collects parsing metadata for a given attribute.
+     *
+     * @param array     $metadata
+     * @param Attribute $attribute
+     *
+     * @return void
+     */
+    private function collectAttributeTypeMetadata(&$metadata, Attribute $attribute)
+    {
+        // handle internal type declaration
+        $type = isset(self::$typeMap[$attribute->type])
+            ? self::$typeMap[$attribute->type]
+            : $attribute->type;
+
+        // handle the case if the property type is mixed
+        if ('mixed' === $type) {
+            return;
+        }
+
+        // Evaluate type
+        switch (true) {
+            // Checks if the property has array<type>
+            case (false !== $pos = strpos($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;
+                break;
+
+            // Checks if the property has type[]
+            case (false !== $pos = strrpos($type, '[')):
+                $arrayType  = substr($type, 0, $pos);
+                $type       = 'array';
+
+                if (isset(self::$typeMap[$arrayType])) {
+                    $arrayType = self::$typeMap[$arrayType];
+                }
+
+                $metadata['attribute_types'][$attribute->name]['array_type'] = $arrayType;
+                break;
+        }
+
+        $metadata['attribute_types'][$attribute->name]['type']     = $type;
+        $metadata['attribute_types'][$attribute->name]['value']    = $attribute->type;
+        $metadata['attribute_types'][$attribute->name]['required'] = $attribute->required;
+    }
+
+    /**
+     * Annotations ::= Annotation {[ "*" ]* [Annotation]}*
+     *
+     * @return array
+     */
+    private function Annotations()
+    {
+        $annotations = array();
+
+        while (null !== $this->lexer->lookahead) {
+            if (DocLexer::T_AT !== $this->lexer->lookahead['type']) {
+                $this->lexer->moveNext();
+                continue;
+            }
+
+            // make sure the @ is preceded by non-catchable pattern
+            if (null !== $this->lexer->token && $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
+            if ((null === $peek = $this->lexer->glimpse())
+                || (DocLexer::T_NAMESPACE_SEPARATOR !== $peek['type'] && !in_array($peek['type'], self::$classIdentifiers, true))
+                || $peek['position'] !== $this->lexer->lookahead['position'] + 1) {
+                $this->lexer->moveNext();
+                continue;
+            }
+
+            $this->isNestedAnnotation = false;
+            if (false !== $annot = $this->Annotation()) {
+                $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 mixed False if it is not a valid annotation.
+     *
+     * @throws AnnotationException
+     */
+    private function Annotation()
+    {
+        $this->match(DocLexer::T_AT);
+
+        // check if we have an annotation
+        $name = $this->Identifier();
+
+        // only process names which are not fully qualified, yet
+        // fully qualified names must start with a \
+        $originalName = $name;
+
+        if ('\\' !== $name[0]) {
+            $alias = (false === $pos = strpos($name, '\\'))? $name : substr($name, 0, $pos);
+            $found = false;
+
+            if ($this->namespaces) {
+                foreach ($this->namespaces as $namespace) {
+                    if ($this->classExists($namespace.'\\'.$name)) {
+                        $name = $namespace.'\\'.$name;
+                        $found = true;
+                        break;
+                    }
+                }
+            } elseif (isset($this->imports[$loweredAlias = strtolower($alias)])) {
+                $found = true;
+                $name  = (false !== $pos)
+                    ? $this->imports[$loweredAlias] . substr($name, $pos)
+                    : $this->imports[$loweredAlias];
+            } 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->ignoreNotImportedAnnotations || isset($this->ignoredAnnotationNames[$name])) {
+                    return false;
+                }
+
+                throw AnnotationException::semanticalError(sprintf('The annotation "@%s" in %s was never imported. Did you maybe forget to add a "use" statement for this annotation?', $name, $this->context));
+            }
+        }
+
+        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, $name contains the fully qualified class name of the
+        // annotation, and it is also guaranteed that this class exists, and
+        // that it is loaded
+
+
+        // collects the metadata annotation only if there is not yet
+        if ( ! isset(self::$annotationMetadata[$name])) {
+            $this->collectAnnotationMetadata($name);
+        }
+
+        // verify that the class is really meant to be an annotation and not just any ordinary class
+        if (self::$annotationMetadata[$name]['is_annotation'] === false) {
+            if (isset($this->ignoredAnnotationNames[$originalName])) {
+                return false;
+            }
+
+            throw AnnotationException::semanticalError(sprintf('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.', $name, $name, $originalName, $this->context));
+        }
+
+        //if target is nested annotation
+        $target = $this->isNestedAnnotation ? Target::TARGET_ANNOTATION : $this->target;
+
+        // Next will be nested
+        $this->isNestedAnnotation = true;
+
+        //if annotation does not support current target
+        if (0 === (self::$annotationMetadata[$name]['targets'] & $target) && $target) {
+            throw AnnotationException::semanticalError(
+                sprintf('Annotation @%s is not allowed to be declared on %s. You may only use this annotation on these code elements: %s.',
+                     $originalName, $this->context, self::$annotationMetadata[$name]['targets_literal'])
+            );
+        }
+
+        $values = $this->MethodCall();
+
+        if (isset(self::$annotationMetadata[$name]['enum'])) {
+            // checks all declared attributes
+            foreach (self::$annotationMetadata[$name]['enum'] as $property => $enum) {
+                // checks if the attribute is a valid enumerator
+                if (isset($values[$property]) && ! in_array($values[$property], $enum['value'])) {
+                    throw AnnotationException::enumeratorError($property, $name, $this->context, $enum['literal'], $values[$property]);
+                }
+            }
+        }
+
+        // checks all declared attributes
+        foreach (self::$annotationMetadata[$name]['attribute_types'] as $property => $type) {
+            if ($property === self::$annotationMetadata[$name]['default_property']
+                && !isset($values[$property]) && isset($values['value'])) {
+                $property = 'value';
+            }
+
+            // handle a not given attribute or null value
+            if (!isset($values[$property])) {
+                if ($type['required']) {
+                    throw AnnotationException::requiredError($property, $originalName, $this->context, 'a(n) '.$type['value']);
+                }
+
+                continue;
+            }
+
+            if ($type['type'] === 'array') {
+                // handle the case of a single value
+                if ( ! is_array($values[$property])) {
+                    $values[$property] = array($values[$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]);
+            }
+        }
+
+        // check if the annotation expects values via the constructor,
+        // or directly injected into public properties
+        if (self::$annotationMetadata[$name]['has_constructor'] === true) {
+            return new $name($values);
+        }
+
+        $instance = new $name();
+
+        foreach ($values as $property => $value) {
+            if (!isset(self::$annotationMetadata[$name]['properties'][$property])) {
+                if ('value' !== $property) {
+                    throw AnnotationException::creationError(sprintf('The annotation @%s declared on %s does not have a property named "%s". Available properties: %s', $originalName, $this->context, $property, implode(', ', self::$annotationMetadata[$name]['properties'])));
+                }
+
+                // handle the case if the property has no annotations
+                if ( ! $property = self::$annotationMetadata[$name]['default_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 array
+     */
+    private function MethodCall()
+    {
+        $values = array();
+
+        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 array
+     */
+    private function Values()
+    {
+        $values = array($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 = $this->Value();
+
+            if ( ! is_object($value) && ! is_array($value)) {
+                $this->syntaxError('Value', $token);
+            }
+
+            $values[] = $value;
+        }
+
+        foreach ($values as $k => $value) {
+            if (is_object($value) && $value instanceof \stdClass) {
+                $values[$value->name] = $value->value;
+            } else if ( ! isset($values['value'])){
+                $values['value'] = $value;
+            } else {
+                if ( ! is_array($values['value'])) {
+                    $values['value'] = array($values['value']);
+                }
+
+                $values['value'][] = $value;
+            }
+
+            unset($values[$k]);
+        }
+
+        return $values;
+    }
+
+    /**
+     * Constant ::= integer | string | float | boolean
+     *
+     * @return mixed
+     *
+     * @throws AnnotationException
+     */
+    private function Constant()
+    {
+        $identifier = $this->Identifier();
+
+        if ( ! defined($identifier) && false !== strpos($identifier, '::') && '\\' !== $identifier[0]) {
+            list($className, $const) = explode('::', $identifier);
+
+            $alias = (false === $pos = strpos($className, '\\')) ? $className : substr($className, 0, $pos);
+            $found = false;
+
+            switch (true) {
+                case !empty ($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[$loweredAlias = strtolower($alias)]):
+                    $found     = true;
+                    $className = (false !== $pos)
+                        ? $this->imports[$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, \strlen('::class') === 7
+        $classPos = stripos($identifier, '::class');
+        if ($classPos === strlen($identifier) - 7) {
+            return substr($identifier, 0, $classPos);
+        }
+
+        if (!defined($identifier)) {
+            throw AnnotationException::semanticalErrorConstants($identifier, $this->context);
+        }
+
+        return constant($identifier);
+    }
+
+    /**
+     * Identifier ::= string
+     *
+     * @return string
+     */
+    private function Identifier()
+    {
+        // check if we have an annotation
+        if ( ! $this->lexer->isNextTokenAny(self::$classIdentifiers)) {
+            $this->syntaxError('namespace separator or identifier');
+        }
+
+        $this->lexer->moveNext();
+
+        $className = $this->lexer->token['value'];
+
+        while ($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
+     */
+    private function Value()
+    {
+        $peek = $this->lexer->glimpse();
+
+        if (DocLexer::T_EQUALS === $peek['type']) {
+            return $this->FieldAssignment();
+        }
+
+        return $this->PlainValue();
+    }
+
+    /**
+     * PlainValue ::= integer | string | float | boolean | Array | Annotation
+     *
+     * @return mixed
+     */
+    private function PlainValue()
+    {
+        if ($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:
+                $this->syntaxError('PlainValue');
+        }
+    }
+
+    /**
+     * FieldAssignment ::= FieldName "=" PlainValue
+     * FieldName ::= identifier
+     *
+     * @return array
+     */
+    private function FieldAssignment()
+    {
+        $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 array
+     */
+    private function Arrayx()
+    {
+        $array = $values = array();
+
+        $this->match(DocLexer::T_OPEN_CURLY_BRACES);
+
+        // If the array is empty, stop parsing and return.
+        if ($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)) {
+            $this->match(DocLexer::T_COMMA);
+
+            // optional trailing comma
+            if ($this->lexer->isNextToken(DocLexer::T_CLOSE_CURLY_BRACES)) {
+                break;
+            }
+
+            $values[] = $this->ArrayEntry();
+        }
+
+        $this->match(DocLexer::T_CLOSE_CURLY_BRACES);
+
+        foreach ($values as $value) {
+            list ($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
+     *
+     * @return array
+     */
+    private function ArrayEntry()
+    {
+        $peek = $this->lexer->glimpse();
+
+        if (DocLexer::T_EQUALS === $peek['type']
+                || DocLexer::T_COLON === $peek['type']) {
+
+            if ($this->lexer->isNextToken(DocLexer::T_IDENTIFIER)) {
+                $key = $this->Constant();
+            } else {
+                $this->matchAny(array(DocLexer::T_INTEGER, DocLexer::T_STRING));
+                $key = $this->lexer->token['value'];
+            }
+
+            $this->matchAny(array(DocLexer::T_EQUALS, DocLexer::T_COLON));
+
+            return array($key, $this->PlainValue());
+        }
+
+        return array(null, $this->Value());
+    }
+}