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<?php |
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namespace PHPSA\Compiler; |
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use PHPSA\CompiledExpression; |
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use PHPSA\Context; |
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use PhpParser\Node; |
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use PHPSA\Compiler; |
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use RuntimeException; |
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use Webiny\Component\EventManager\EventManager; |
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class Scalar |
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{ |
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/** |
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* @var Context |
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*/ |
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private $context; |
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/** |
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* @var EventManager |
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*/ |
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private $eventManager; |
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/** |
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* @param Context $context |
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* @param EventManager $eventManager |
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*/ |
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public function __construct(Context $context, EventManager $eventManager) |
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{ |
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$this->context = $context; |
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$this->eventManager = $eventManager; |
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} |
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/** |
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* @param Node\Scalar $scalar |
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* @return CompiledExpression |
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*/ |
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public function compile(Node\Scalar $scalar) |
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{ |
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try { |
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$this->eventManager->fire( |
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Event\ScalarBeforeCompile::EVENT_NAME, |
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new Event\ScalarBeforeCompile( |
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$scalar, |
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$this->context |
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) |
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); |
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return $this->factory($scalar); |
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} catch (\Exception $e) { |
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$this->context->debug('ScalarCompiler is not implemented for ' . get_class($scalar)); |
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} |
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} |
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/** |
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* @param Node\Scalar $scalar |
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* @return CompiledExpression |
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* @throws RuntimeException |
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*/ |
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protected function factory(Node\Scalar $scalar) |
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{ |
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switch (get_class($scalar)) { |
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// Native Scalars |
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case Node\Scalar\LNumber::class: |
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return new CompiledExpression(CompiledExpression::INTEGER, $scalar->value); |
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case Node\Scalar\DNumber::class: |
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return new CompiledExpression(CompiledExpression::DOUBLE, $scalar->value); |
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case Node\Scalar\String_::class: |
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return new CompiledExpression(CompiledExpression::STRING, $scalar->value); |
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// @todo Review this and implement support |
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case Node\Scalar\EncapsedStringPart::class: |
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return new CompiledExpression(CompiledExpression::STRING); |
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case Node\Scalar\Encapsed::class: |
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return $this->compileUncapsedString($scalar); |
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/** |
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* Fake scalars for testing |
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*/ |
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case \PHPSA\Node\Scalar\Nil::class: |
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return new CompiledExpression(CompiledExpression::NULL); |
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case \PHPSA\Node\Scalar\Boolean::class: |
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return new CompiledExpression(CompiledExpression::BOOLEAN, $scalar->value); |
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case \PHPSA\Node\Scalar\Fake::class: |
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return new CompiledExpression($scalar->type, $scalar->value); |
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/** |
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* MagicConst |
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* @todo Review this and implement support, now We return only type |
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*/ |
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case Node\Scalar\MagicConst\Line::class: |
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return new CompiledExpression(CompiledExpression::INTEGER, $scalar->getAttribute('startLine')); |
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case Node\Scalar\MagicConst\Trait_::class: |
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return new CompiledExpression(CompiledExpression::STRING); |
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case Node\Scalar\MagicConst\Namespace_::class: |
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return new CompiledExpression(CompiledExpression::STRING); |
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case Node\Scalar\MagicConst\Class_::class: |
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return new CompiledExpression(CompiledExpression::STRING); |
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case Node\Scalar\MagicConst\Dir::class: |
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return new CompiledExpression(CompiledExpression::STRING); |
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case Node\Scalar\MagicConst\File::class: |
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return new CompiledExpression(CompiledExpression::STRING); |
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case Node\Scalar\MagicConst\Function_::class: |
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return new CompiledExpression(CompiledExpression::STRING); |
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case Node\Scalar\MagicConst\Method::class: |
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return new CompiledExpression(CompiledExpression::STRING); |
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default: |
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throw new RuntimeException('Unknown scalar: ' . get_class($scalar)); |
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} |
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} |
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/** |
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* @param Node\Scalar\Encapsed $scalar |
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* @return CompiledExpression |
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*/ |
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protected function compileUncapsedString(Node\Scalar\Encapsed $scalar) |
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{ |
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foreach ($scalar->parts as $part) { |
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$this->context->getExpressionCompiler()->compile($part); |
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} |
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return new CompiledExpression(CompiledExpression::STRING); |
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} |
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} |
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ovr /
phpsa
