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<?php |
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namespace PHPSA\Analyzer\Pass\Expression; |
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use PhpParser\Node\Expr; |
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use PHPSA\Analyzer\Pass\AnalyzerPassInterface; |
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use PHPSA\Context; |
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use Symfony\Component\Config\Definition\Builder\TreeBuilder; |
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use PHPSA\CompiledExpression; |
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class Casts implements AnalyzerPassInterface |
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{ |
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/** |
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* @param Expr $expr |
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* @param Context $context |
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* @return bool |
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*/ |
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public function pass(Expr $expr, Context $context) |
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{ |
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$castType = CompiledExpression::UNKNOWN; |
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switch (get_class($expr)) { |
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case Expr\Cast\Array_::class: |
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$castType = CompiledExpression::ARR; |
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break; |
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case Expr\Cast\Bool_::class: |
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$castType = CompiledExpression::BOOLEAN; |
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break; |
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case Expr\Cast\Int_::class: |
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$castType = CompiledExpression::INTEGER; |
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break; |
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case Expr\Cast\Double::class: |
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$castType = CompiledExpression::DOUBLE; |
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break; |
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case Expr\Cast\Object_::class: |
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$castType = CompiledExpression::OBJECT; |
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break; |
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case Expr\Cast\String_::class: |
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$castType = CompiledExpression::STRING; |
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break; |
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} |
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$compiledExpression = $context->getExpressionCompiler()->compile($expr->expr); |
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$exprType = $compiledExpression->getType(); |
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$typeName = $compiledExpression->getTypeName(); |
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if ($castType === $exprType) { |
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$context->notice( |
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'stupid.cast', |
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sprintf("You are trying to cast '%s' to '%s'.", $typeName, $typeName), |
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$expr |
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); |
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return true; |
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} elseif (get_class($expr) == Expr\Cast\Unset_::class && $exprType === CompiledExpression::NULL) { |
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$context->notice( |
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'stupid.cast', |
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"You are trying to cast 'null' to 'unset' (null).", |
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$expr |
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); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @return TreeBuilder |
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*/ |
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public function getRegister() |
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{ |
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return [ |
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Expr\Cast\Array_::class, |
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Expr\Cast\Bool_::class, |
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Expr\Cast\Int_::class, |
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Expr\Cast\Double::class, |
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Expr\Cast\Object_::class, |
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Expr\Cast\String_::class, |
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Expr\Cast\Unset_::class, |
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]; |
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} |
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} |
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ovr /
phpsa
An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name.
If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading.