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<?php |
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/** |
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* @author Patsura Dmitry https://github.com/ovr <[email protected]> |
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*/ |
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namespace PHPSA\Compiler\Expression\BinaryOp; |
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use PHPSA\CompiledExpression; |
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use PHPSA\Compiler\Expression\AbstractExpressionCompiler; |
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use PHPSA\Context; |
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class SpaceShip extends AbstractExpressionCompiler |
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{ |
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protected $name = 'PhpParser\Node\Expr\BinaryOp\Spaceship'; |
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/** |
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* It's used in conditions |
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* {left-expr} <=> {right-expr} |
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* |
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* @param \PhpParser\Node\Expr\BinaryOp\Spaceship $expr |
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* @param Context $context |
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* @return CompiledExpression |
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*/ |
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protected function compile($expr, Context $context) |
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{ |
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$left = $context->getExpressionCompiler()->compile($expr->left); |
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$right = $context->getExpressionCompiler()->compile($expr->right); |
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switch ($left->getType()) { |
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case CompiledExpression::INTEGER: |
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case CompiledExpression::DOUBLE: |
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case CompiledExpression::BOOLEAN: |
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case CompiledExpression::NUMBER: |
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case CompiledExpression::NULL: |
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case CompiledExpression::ARR: |
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case CompiledExpression::OBJECT: |
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case CompiledExpression::STRING: |
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switch ($right->getType()) { |
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case CompiledExpression::INTEGER: |
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case CompiledExpression::DOUBLE: |
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case CompiledExpression::BOOLEAN: |
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case CompiledExpression::NUMBER: |
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case CompiledExpression::NULL: |
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case CompiledExpression::ARR: |
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case CompiledExpression::OBJECT: |
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case CompiledExpression::STRING: |
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if ($left->getValue() == $right->getValue()) { |
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return new CompiledExpression(CompiledExpression::INTEGER, 0); |
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} elseif ($left->getValue() < $right->getValue()) { |
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return new CompiledExpression(CompiledExpression::INTEGER, -1); |
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} elseif ($left->getValue() > $right->getValue()) { |
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return new CompiledExpression(CompiledExpression::INTEGER, 1); |
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} |
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} |
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} |
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return new CompiledExpression(); |
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} |
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} |
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ovr /
phpsa
