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<?php |
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namespace RulerZ\Target; |
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use RulerZ\Compiler\Context; |
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use RulerZ\Compiler\CompilationTarget; |
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use RulerZ\Model; |
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use RulerZ\Target\Operators\Definitions as OperatorsDefinitions; |
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/** |
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* Generic visitor intended to be extended. |
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*/ |
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abstract class AbstractCompilationTarget implements CompilationTarget |
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{ |
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/** |
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* @var OperatorsDefinitions |
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*/ |
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private $customOperators; |
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/** |
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* Create a rule visitor for a given compilation context. |
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* |
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* @param Context $context The compilation context. |
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* |
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* @return \RulerZ\Compiler\RuleVisitor |
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*/ |
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abstract protected function createVisitor(Context $context); |
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abstract protected function getExecutorTraits(); |
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/** |
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* @param array<callable> $operators A list of additional operators to register. |
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* @param array<callable> $inlineOperators A list of additional inline operators to register. |
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*/ |
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public function __construct(array $operators = [], array $inlineOperators = []) |
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{ |
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$this->customOperators = new OperatorsDefinitions($operators, $inlineOperators); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function compile(Model\Rule $rule, Context $compilationContext) |
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{ |
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$visitor = $this->createVisitor($compilationContext); |
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$compiledCode = $visitor->visit($rule); |
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return new Model\Executor( |
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$this->getExecutorTraits(), |
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$compiledCode, |
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$visitor->getCompilationData() |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createCompilationContext($target) |
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{ |
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return new Context(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function defineOperator($name, callable $transformer) |
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{ |
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$this->customOperators->defineOperator($name, $transformer); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function defineInlineOperator($name, callable $transformer) |
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{ |
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$this->customOperators->defineInlineOperator($name, $transformer); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getOperators() |
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{ |
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return $this->customOperators; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getRuleIdentifierHint($rule, Context $context) |
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{ |
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return ''; |
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} |
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} |
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K-Phoen /
rulerz
