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<?php |
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/** |
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* Parser Reflection API |
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* |
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* @copyright Copyright 2019, Lisachenko Alexander <[email protected]> |
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* |
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* This source file is subject to the license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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declare(strict_types=1); |
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namespace Go\ParserReflection; |
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use Go\ParserReflection\Traits\InternalPropertiesEmulationTrait; |
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use Go\ParserReflection\ValueResolver\NodeExpressionResolver; |
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use PhpParser\Node\Const_; |
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use PhpParser\Node\Stmt\ClassConst; |
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use PhpParser\Node\Stmt\ClassLike; |
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use \ReflectionClassConstant as BaseReflectionClassConstant; |
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class ReflectionClassConstant extends BaseReflectionClassConstant |
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{ |
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use InternalPropertiesEmulationTrait; |
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/** |
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* Concrete class constant node |
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* |
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* @var ClassConst |
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*/ |
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private $classConstantNode; |
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/** |
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* @var Const_ |
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*/ |
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private $constNode; |
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/** |
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* Name of the class |
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* |
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* @var string |
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*/ |
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private $className; |
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/** |
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* Parses class constants from the concrete class node |
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* |
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* @param ClassLike $classLikeNode Class-like node |
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* @param string $reflectionClassName FQN of the class |
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* |
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* @return array|ReflectionClassConstant[] |
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*/ |
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public static function collectFromClassNode(ClassLike $classLikeNode, string $reflectionClassName): array |
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{ |
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$classConstants = []; |
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foreach ($classLikeNode->stmts as $classLevelNode) { |
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if ($classLevelNode instanceof ClassConst) { |
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foreach ($classLevelNode->consts as $const) { |
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$classConstName = $const->name->toString(); |
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$classConstants[$classConstName] = new ReflectionClassConstant( |
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$reflectionClassName, |
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$classConstName, |
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$classLevelNode, |
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$const |
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); |
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} |
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} |
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} |
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return $classConstants; |
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} |
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/** |
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* Initializes a reflection for the class constant |
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* |
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* @param string $className Name of the class |
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* @param string $classConstantName Name of the class constant to reflect |
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* @param ClassConst $classConstNode ClassConstant definition node |
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* @param Const_|null $constNode Concrete const definition node |
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*/ |
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public function __construct( |
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string $className, |
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string $classConstantName, |
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ClassConst $classConstNode = null, |
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Const_ $constNode = null |
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) { |
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$this->className = ltrim($className, '\\'); |
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if (!$classConstNode || !$constNode) { |
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[$classConstNode, $constNode] = ReflectionEngine::parseClassConstant($className, $classConstantName); |
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} |
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// Let's unset original read-only property to have a control over it via __get |
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unset($this->name, $this->class); |
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$this->classConstantNode = $classConstNode; |
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$this->constNode = $constNode; |
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} |
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/** |
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* Emulating original behaviour of reflection |
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*/ |
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1 |
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public function ___debugInfo() |
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{ |
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return [ |
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'name' => $this->getName(), |
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'class' => $this->className |
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]; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getDeclaringClass() |
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{ |
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return new ReflectionClass($this->className); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getDocComment() |
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{ |
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$docBlock = $this->classConstantNode->getDocComment(); |
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return $docBlock ? $docBlock->getText() : false; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getModifiers() |
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{ |
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$modifiers = 0; |
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if ($this->isPublic()) { |
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$modifiers += ReflectionMethod::IS_PUBLIC; |
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} |
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if ($this->isProtected()) { |
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$modifiers += ReflectionMethod::IS_PROTECTED; |
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} |
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if ($this->isPrivate()) { |
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$modifiers += ReflectionMethod::IS_PRIVATE; |
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} |
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return $modifiers; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getName() |
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{ |
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return $this->constNode->name->toString(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getValue() |
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{ |
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$solver = new NodeExpressionResolver($this->getDeclaringClass()); |
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$solver->process($this->constNode->value); |
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return $solver->getValue(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function isPrivate() |
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{ |
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return $this->classConstantNode->isPrivate(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function isProtected() |
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{ |
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return $this->classConstantNode->isProtected(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function isPublic() |
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{ |
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return $this->classConstantNode->isPublic(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function __toString() |
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{ |
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# Starting from PHP7.3 gettype returns different names, need to remap them |
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static $typeMap = [ |
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'integer' => 'int', |
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'boolean' => 'bool', |
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'double' => 'float', |
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]; |
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$value = $this->getValue(); |
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$type = gettype($value); |
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if (PHP_VERSION_ID >= 70300 && isset($typeMap[$type])) { |
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$type = $typeMap[$type]; |
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} |
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$valueType = new ReflectionType($type, null, true); |
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return sprintf( |
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"Constant [ %s %s %s ] { %s }\n", |
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implode(' ', \Reflection::getModifierNames($this->getModifiers())), |
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strtolower((string) ReflectionType::convertToDisplayType($valueType)), |
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$this->getName(), |
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(string) $value |
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); |
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} |
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} |
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goaop /
parser-reflection
