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<?php |
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/** |
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* PHP Static Analysis project 2015 |
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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\Operators\Arithmetical; |
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use PHPSA\CompiledExpression; |
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use PHPSA\Context; |
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use PHPSA\Compiler\Expression; |
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use PHPSA\Compiler\Expression\AbstractExpressionCompiler; |
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class Minus extends AbstractExpressionCompiler |
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{ |
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protected $name = 'PhpParser\Node\Expr\BinaryOp\Minus'; |
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/** |
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* {expr} - {expr} |
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* |
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* @param \PhpParser\Node\Expr\BinaryOp\Minus $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 $context) |
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{ |
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$expression = new Expression($context); |
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$left = $expression->compile($expr->left); |
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$expression = new Expression($context); |
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$right = $expression->compile($expr->right); |
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switch ($left->getType()) { |
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case CompiledExpression::LNUMBER: |
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switch ($right->getType()) { |
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case CompiledExpression::LNUMBER: |
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return new CompiledExpression(CompiledExpression::LNUMBER, $left->getValue() - $right->getValue()); |
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case CompiledExpression::DNUMBER: |
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return new CompiledExpression(CompiledExpression::DNUMBER, $left->getValue() - $right->getValue()); |
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} |
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break; |
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case CompiledExpression::DNUMBER: |
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switch ($right->getType()) { |
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case CompiledExpression::LNUMBER: |
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case CompiledExpression::DNUMBER: |
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return new CompiledExpression(CompiledExpression::DNUMBER, $left->getValue() - $right->getValue()); |
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} |
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break; |
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} |
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return new CompiledExpression(CompiledExpression::UNKNOWN); |
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} |
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} |
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ovr /
phpsa
