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<?php |
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/** |
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* Spiral Framework. Cycle ProxyFactory |
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* |
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* @license MIT |
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* @author Valentin V (Vvval) |
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*/ |
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declare(strict_types=1); |
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namespace Cycle\ORM\Promise\Visitor; |
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use Cycle\ORM\Promise\PHPDoc; |
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use PhpParser\Builder\Param; |
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use PhpParser\Node; |
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use PhpParser\NodeVisitorAbstract; |
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use function Cycle\ORM\Promise\exprClone; |
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use function Cycle\ORM\Promise\resolveMethodCall; |
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use function Cycle\ORM\Promise\throwExceptionOnNull; |
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/** |
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* Add parent call via proxy resolver |
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*/ |
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final class AddProxiedMethods extends NodeVisitorAbstract |
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{ |
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/** @var string */ |
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private $class; |
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/** @var string */ |
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private $resolverProperty; |
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/** @var Node\Stmt\ClassMethod[] */ |
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private $methods; |
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/** @var string */ |
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private $resolveMethod; |
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/** |
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* @param string $class |
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* @param string $property |
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* @param array $methods |
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* @param string $resolveMethod |
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*/ |
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public function __construct(string $class, string $property, array $methods, string $resolveMethod) |
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{ |
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$this->class = $class; |
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$this->resolverProperty = $property; |
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$this->methods = $methods; |
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$this->resolveMethod = $resolveMethod; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function leaveNode(Node $node) |
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{ |
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if (!$node instanceof Node\Stmt\Class_) { |
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return null; |
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} |
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foreach ($this->methods as $method) { |
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if ($method->name->name === '__clone') { |
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$method->stmts = [exprClone($this->resolverProperty)]; |
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$node->stmts[] = $method; |
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} else { |
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$node->stmts[] = $this->modifyMethodMethod( |
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$method, |
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$this->hasReturnStmt($method) ? Node\Stmt\Return_::class : Node\Stmt\Expression::class |
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); |
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} |
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} |
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return $node; |
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} |
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/** |
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* @param Node\Stmt\ClassMethod $method |
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* @return bool |
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*/ |
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private function hasReturnStmt(Node\Stmt\ClassMethod $method): bool |
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{ |
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if ($method->returnType === 'void') { |
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return false; |
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} |
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if ($method->returnType === null) { |
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return $this->findReturnStmt($method); |
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} |
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if ($method->returnType instanceof Node\NullableType) { |
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return true; |
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} |
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return $method->returnType instanceof Node\Identifier && $method->returnType->name !== 'void'; |
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} |
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/** |
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* @param Node\Stmt|Node\Stmt\ClassMethod $node |
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* @return bool |
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*/ |
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private function findReturnStmt(Node\Stmt $node): bool |
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{ |
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if (!property_exists($node, 'stmts') || !is_array($node->stmts)) { |
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return false; |
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} |
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foreach ($node->stmts as $stmt) { |
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if ($stmt instanceof Node\Stmt\Return_) { |
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return $stmt->expr !== null; |
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} |
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if ($this->findReturnStmt($stmt) === true) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param Node\Stmt\ClassMethod $method |
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* @param string $stmtWrapper |
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* @return Node\Stmt\ClassMethod |
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*/ |
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private function modifyMethodMethod(Node\Stmt\ClassMethod $method, string $stmtWrapper): Node\Stmt\ClassMethod |
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{ |
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$resolved = resolveMethodCall('this', $this->resolverProperty, $this->resolveMethod); |
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$methodCall = new Node\Expr\MethodCall($resolved, $method->name->name, $this->packMethodArgs($method)); |
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$method->setDocComment(PHPDoc::writeInheritdoc()); |
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$method->stmts = [ |
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throwExceptionOnNull( |
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$resolved, |
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new $stmtWrapper($methodCall), |
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'Method `%s()` not loaded for `%s`', |
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[ |
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$method->name->name, |
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$this->class |
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] |
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) |
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]; |
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return $method; |
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} |
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/** |
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* @param Node\Stmt\ClassMethod $method |
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* @return array |
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*/ |
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private function packMethodArgs(Node\Stmt\ClassMethod $method): array |
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{ |
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$args = []; |
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/** @var Node\Param $param */ |
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foreach ($method->getParams() as $param) { |
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$args[] = (new Param($param->var->name))->getNode(); |
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} |
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return $args; |
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} |
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} |
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cycle /
proxy-factory
