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<?php |
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declare(strict_types=1); |
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namespace Ray\Aop; |
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use Doctrine\Common\Annotations\AnnotationException; |
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use PhpParser\Node\Identifier; |
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use PhpParser\Node\Stmt; |
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use PhpParser\Node\Stmt\Class_; |
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use PhpParser\Node\Stmt\ClassMethod; |
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use PhpParser\NodeAbstract; |
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use PhpParser\Parser; |
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use function array_keys; |
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use function assert; |
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use function in_array; |
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final class CodeGenMethod |
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{ |
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/** @var Parser */ |
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private $parser; |
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/** |
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* @throws AnnotationException |
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*/ |
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public function __construct( |
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Parser $parser |
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) { |
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$this->parser = $parser; |
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} |
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/** |
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* @return ClassMethod[] |
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*/ |
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public function getMethods(BindInterface $bind, CodeVisitor $code): array |
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{ |
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$bindingMethods = array_keys($bind->getBindings()); |
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$classMethods = $code->classMethod; |
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$methods = []; |
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foreach ($classMethods as $classMethod) { |
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$methodName = $classMethod->name->name; |
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$isBindingMethod = in_array($methodName, $bindingMethods, true); |
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$isPublic = $classMethod->flags === Class_::MODIFIER_PUBLIC; |
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if ($isBindingMethod && $isPublic) { |
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$methodInsideStatements = $this->getTemplateMethodNodeStmts( |
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$classMethod->getReturnType() |
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); |
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// replace statements in the method |
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$classMethod->stmts = $methodInsideStatements; |
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$methods[] = $classMethod; |
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} |
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} |
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return $methods; |
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} |
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/** |
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* @return Stmt[] |
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*/ |
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private function getTemplateMethodNodeStmts(?NodeAbstract $returnType): array |
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{ |
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$code = $this->isReturnVoid($returnType) ? AopTemplate::RETURN_VOID : AopTemplate::RETURN; |
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$parts = $this->parser->parse($code); |
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assert(isset($parts[0])); |
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$node = $parts[0]; |
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assert($node instanceof Class_); |
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$methodNode = $node->getMethods()[0]; |
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assert($methodNode->stmts !== null); |
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return $methodNode->stmts; |
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} |
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private function isReturnVoid(?NodeAbstract $returnType): bool |
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{ |
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return $returnType instanceof Identifier && $returnType->name === 'void'; |
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} |
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} |
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ray-di /
Ray.Aop
