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<?php |
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declare(strict_types=1); |
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/** |
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* This file is part of the Ray.Aop package. |
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* |
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* @license http://opensource.org/licenses/MIT MIT |
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*/ |
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namespace Ray\Aop; |
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use Doctrine\Common\Annotations\AnnotationReader; |
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use PhpParser\Builder\Method; |
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use PhpParser\Builder\Param; |
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use PhpParser\BuilderFactory; |
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use PhpParser\Comment\Doc; |
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use PhpParser\Node\NullableType; |
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use PhpParser\Node\Stmt\ClassMethod; |
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use PhpParser\NodeTraverser; |
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use PhpParser\Parser; |
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use PhpParser\PrettyPrinter\Standard; |
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use Ray\Aop\Annotation\AbstractAssisted; |
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final class CodeGenMethod |
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{ |
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/** |
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* @var \PhpParser\Parser |
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*/ |
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private $parser; |
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/** |
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* @var \PhpParser\BuilderFactory |
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*/ |
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private $factory; |
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/** |
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* @var \PhpParser\PrettyPrinter\Standard |
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*/ |
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private $printer; |
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private $reader; |
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/** |
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* @var AbstractAssisted |
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*/ |
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private $assisted; |
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/** |
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* @param \PhpParser\Parser $parser |
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* @param \PhpParser\BuilderFactory $factory |
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* @param \PhpParser\PrettyPrinter\Standard $printer |
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*/ |
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public function __construct( |
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Parser $parser, |
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BuilderFactory $factory, |
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Standard $printer |
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) { |
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$this->parser = $parser; |
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$this->factory = $factory; |
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$this->printer = $printer; |
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$this->reader = new AnnotationReader; |
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} |
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/** |
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* @param \ReflectionClass $class |
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* @param BindInterface $bind |
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* |
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* @return array |
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*/ |
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public function getMethods(\ReflectionClass $class, BindInterface $bind) : array |
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{ |
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$bindingMethods = array_keys($bind->getBindings()); |
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$stmts = []; |
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$methods = $class->getMethods(); |
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foreach ($methods as $method) { |
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$this->assisted = $this->reader->getMethodAnnotation($method, AbstractAssisted::class); |
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$isBindingMethod = in_array($method->name, $bindingMethods, true); |
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/* @var $method \ReflectionMethod */ |
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if ($isBindingMethod && $method->isPublic()) { |
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$stmts[] = $this->getMethod($method); |
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} |
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} |
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return $stmts; |
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} |
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/** |
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* Return method statement |
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* |
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* @param \ReflectionMethod $method |
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* |
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* @return \PhpParser\Node\Stmt\ClassMethod |
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*/ |
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private function getMethod(\ReflectionMethod $method) |
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{ |
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$methodStmt = $this->factory->method($method->name); |
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$params = $method->getParameters(); |
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foreach ($params as $param) { |
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$methodStmt = $this->getMethodStatement($param, $methodStmt); |
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} |
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$returnType = $method->getReturnType(); |
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if ($returnType instanceof \ReflectionType) { |
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$this->setReturnType($returnType, $methodStmt); |
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} |
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$methodInsideStatements = $this->getMethodInsideStatement($method); |
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$methodStmt->addStmts($methodInsideStatements); |
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return $this->addMethodDocComment($methodStmt, $method); |
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} |
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/** |
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* Return parameter reflection |
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*/ |
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private function getMethodStatement(\ReflectionParameter $param, Method $methodStmt) : Method |
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{ |
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/* @var $paramStmt Param */ |
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$paramStmt = $this->factory->param($param->name); |
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/* @var $param \ReflectionParameter */ |
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$this->setParameterType($param, $paramStmt); |
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$this->setDefault($param, $paramStmt); |
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$methodStmt->addParam($paramStmt); |
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return $methodStmt; |
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} |
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private function addMethodDocComment(Method $methodStmt, \ReflectionMethod $method) : ClassMethod |
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{ |
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$node = $methodStmt->getNode(); |
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$docComment = $method->getDocComment(); |
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if ($docComment) { |
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$node->setAttribute('comments', [new Doc($docComment)]); |
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} |
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return $node; |
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} |
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/** |
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* @return \PhpParser\Node[] |
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*/ |
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private function getMethodInsideStatement(\ReflectionMethod $method) : array |
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{ |
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$traverser = new NodeTraverser; |
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$traverser->addVisitor(new AopTemplateConverter($method)); |
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$code = file_get_contents(dirname(__DIR__) . '/template/AopTemplate.php'); |
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if (is_bool($code)) { |
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throw new \LogicException; |
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} |
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$node = $this->parser->parse($code)[0]; |
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if (! $node instanceof \PhpParser\Node\Stmt\Class_) { |
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throw new \LogicException; |
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} |
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$methodNode = $node->getMethods()[0]; |
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if (! $methodNode instanceof ClassMethod) { |
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throw new \LogicException; |
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} |
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if ($methodNode->stmts === null) { |
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throw new \LogicException; |
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} |
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// traverse |
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$stmts = $traverser->traverse($methodNode->stmts); |
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return $stmts; |
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} |
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private function setDefault(\ReflectionParameter $param, Param $paramStmt) |
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{ |
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if ($param->isDefaultValueAvailable()) { |
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$paramStmt->setDefault($param->getDefaultValue()); |
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return; |
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} |
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if ($this->assisted instanceof AbstractAssisted && in_array($param->name, $this->assisted->values, true)) { |
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$paramStmt->setDefault(null); |
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} |
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} |
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private function setParameterType(\ReflectionParameter $param, Param $paramStmt) |
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{ |
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$type = $param->getType(); |
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if ($type == null) { |
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return; |
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} |
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if ($param->isVariadic()) { |
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$paramStmt->makeVariadic(); |
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} |
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$paramString = (string) $param; |
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$isNullableType = is_int(strpos($paramString, '<required>')) && is_int(strpos($paramString, 'or NULL')); |
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$destType = $isNullableType ? new NullableType((string) $type) : (string) $type; |
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$paramStmt->setTypeHint($destType); |
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} |
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private function setReturnType(\ReflectionType $returnType, Method $methodStmt) |
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{ |
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$type = $returnType->allowsNull() ? new NullableType((string) $returnType) : (string) $returnType; |
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$methodStmt->setReturnType($type); |
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} |
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} |
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ray-di /
Ray.Aop
This error could be the result of:
1. Missing dependencies
PHP Analyzer uses your
composer.jsonfile (if available) to determine the dependencies of your project and to determine all the available classes and functions. It expects thecomposer.jsonto be in the root folder of your repository.Are you sure this class is defined by one of your dependencies, or did you maybe not list a dependency in either the
requireorrequire-devsection?2. Missing use statement
PHP does not complain about undefined classes in
ìnstanceofchecks. For example, the following PHP code will work perfectly fine:If you have not tested against this specific condition, such errors might go unnoticed.