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<?php |
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/** |
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* This file is part of Railt package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Railt\SDL\Compiler\Processor; |
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use Railt\Lexer\Exception\LexerException; |
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use Railt\Parser\Exception\ParserException; |
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use Railt\Reflection\Contracts\Definition; |
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use Railt\Reflection\Contracts\Definition\TypeDefinition; |
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use Railt\Reflection\Contracts\Dictionary; |
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use Railt\Reflection\Exception\ReflectionException; |
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use Railt\SDL\Compiler\CallStack; |
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use Railt\SDL\Compiler\Pipeline; |
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use Railt\SDL\Exception\CompilerException; |
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use Railt\Reflection\Exception\TypeNotFoundException as TypeNotFoundReflectionException; |
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use Railt\SDL\Exception\SemanticException; |
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use Railt\SDL\Exception\SyntaxException; |
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use Railt\SDL\Exception\TypeNotFoundException; |
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/** |
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* Class BaseProcessor |
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*/ |
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abstract class BaseProcessor implements Processable |
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{ |
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/** |
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* @var int |
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*/ |
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public const PRIORITY_DEFINITION = 0x01; |
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/** |
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* @var int |
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*/ |
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public const PRIORITY_EXTENSION = 0x02; |
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/** |
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* @var int |
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*/ |
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public const PRIORITY_INVOCATION = 0x03; |
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/** |
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* @var Pipeline |
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*/ |
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private $pipeline; |
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/** |
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* @var CallStack |
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*/ |
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private $stack; |
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/** |
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* @var Dictionary |
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*/ |
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private $dictionary; |
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/** |
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* BaseProcessor constructor. |
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* @param Pipeline $pipeline |
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* @param CallStack $stack |
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* @param Dictionary $dictionary |
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*/ |
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public function __construct(Pipeline $pipeline, CallStack $stack, Dictionary $dictionary) |
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{ |
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$this->stack = $stack; |
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$this->pipeline = $pipeline; |
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$this->dictionary = $dictionary; |
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} |
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/** |
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* @param string $type |
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* @param Definition|null $from |
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* @return TypeDefinition |
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* @throws TypeNotFoundReflectionException |
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*/ |
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protected function get(string $type, Definition $from = null): TypeDefinition |
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{ |
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return $this->dictionary->get($type, $from); |
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} |
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/** |
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* @param Definition $definition |
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* @param \Closure $then |
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* @return mixed |
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* @throws CompilerException |
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*/ |
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protected function transaction(Definition $definition, \Closure $then) |
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{ |
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$this->stack->push($definition); |
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$result = $this->wrap($definition, $then); |
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$this->stack->pop(); |
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return $result; |
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} |
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/** |
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* @param \Closure $then |
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* @param Definition $def |
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* @return mixed |
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* @throws CompilerException |
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*/ |
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private function wrap(Definition $def, \Closure $then) |
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{ |
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try { |
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return $then($def); |
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} catch (TypeNotFoundReflectionException $e) { |
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throw $this->error(new TypeNotFoundException($e->getMessage(), $e->getCode(), $e), $def); |
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} catch (ReflectionException $e) { |
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throw $this->error(new SemanticException($e->getMessage(), $e->getCode(), $e), $def); |
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} catch (LexerException $e) { |
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throw $this->error(new SyntaxException($e->getMessage(), $e->getCode(), $e), $def); |
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} catch (ParserException $e) { |
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throw $this->error(new SyntaxException($e->getMessage(), $e->getCode(), $e), $def); |
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} catch (CompilerException $e) { |
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throw $e->using($this->stack); |
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} catch (\Throwable $e) { |
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throw $this->error(new CompilerException($e->getMessage(), $e->getCode(), $e), $def); |
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} |
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} |
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/** |
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* @param CompilerException $error |
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* @param Definition $in |
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* @return CompilerException |
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*/ |
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private function error(CompilerException $error, Definition $in): CompilerException |
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{ |
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return $error->using($this->stack)->in($in); |
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} |
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/** |
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* @param \Closure $then |
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* @return Processable|$this |
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*/ |
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protected function immediately(\Closure $then): Processable |
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{ |
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$this->pipeline->push(self::PRIORITY_DEFINITION, $then); |
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return $this; |
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} |
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/** |
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* @param \Closure $then |
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* @return Processable|$this |
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*/ |
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protected function deferred(\Closure $then): Processable |
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{ |
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$this->pipeline->push(self::PRIORITY_EXTENSION, $then); |
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return $this; |
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} |
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/** |
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* @param \Closure $then |
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* @return Processable|$this |
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*/ |
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protected function future(\Closure $then): Processable |
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{ |
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$this->pipeline->push(self::PRIORITY_INVOCATION, $then); |
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return $this; |
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} |
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} |
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