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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; |
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use InvalidArgumentException; |
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use PHPSA\Check; |
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use PHPSA\CompiledExpression; |
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use PHPSA\Compiler\Event\ExpressionBeforeCompile; |
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use PHPSA\Context; |
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use PhpParser\Node; |
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use PHPSA\Definition\ClassDefinition; |
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use PHPSA\Exception\RuntimeException; |
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use PHPSA\Variable; |
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use PHPSA\Compiler\Expression\AbstractExpressionCompiler; |
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use Webiny\Component\EventManager\EventManager; |
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class Expression |
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{ |
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/** |
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* @var Context |
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*/ |
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protected $context; |
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/** |
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* @var EventManager |
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*/ |
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protected $eventManager; |
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/** |
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* @param Context $context |
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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 $expr |
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* @return ExpressionCompilerInterface|AbstractExpressionCompiler |
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*/ |
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protected function factory($expr) |
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{ |
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switch (get_class($expr)) { |
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/** |
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* Call(s) |
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*/ |
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case Node\Expr\MethodCall::class: |
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return new Expression\MethodCall(); |
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case Node\Expr\FuncCall::class: |
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return new Expression\FunctionCall(); |
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case Node\Expr\StaticCall::class: |
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return new Expression\StaticCall(); |
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/** |
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* Operators |
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*/ |
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case Node\Expr\New_::class: |
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return new Expression\Operators\NewOp(); |
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case Node\Expr\Instanceof_::class: |
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return new Expression\Operators\InstanceOfOp(); |
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/** |
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* AssignOp |
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*/ |
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case Node\Expr\AssignOp\Pow::class: |
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return new Expression\AssignOp\Pow(); |
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case Node\Expr\AssignOp\Plus::class: |
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return new Expression\AssignOp\Plus(); |
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case Node\Expr\AssignOp\Minus::class: |
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return new Expression\AssignOp\Minus(); |
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case Node\Expr\AssignOp\Mul::class: |
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return new Expression\AssignOp\Mul(); |
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case Node\Expr\AssignOp\Div::class: |
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return new Expression\AssignOp\Div(); |
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case Node\Expr\AssignOp\Mod::class: |
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return new Expression\AssignOp\Mod(); |
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case Node\Expr\AssignOp\BitwiseOr::class: |
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return new Expression\AssignOp\BitwiseOr(); |
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case Node\Expr\AssignOp\BitwiseAnd::class: |
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return new Expression\AssignOp\BitwiseAnd(); |
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case Node\Expr\AssignOp\BitwiseXor::class: |
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return new Expression\AssignOp\BitwiseXor(); |
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case Node\Expr\AssignOp\Concat::class: |
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return new Expression\AssignOp\Concat(); |
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case Node\Expr\AssignOp\ShiftLeft::class: |
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return new Expression\AssignOp\ShiftLeft(); |
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case Node\Expr\AssignOp\ShiftRight::class: |
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return new Expression\AssignOp\ShiftRight(); |
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/** |
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* BinaryOp |
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*/ |
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case Node\Expr\BinaryOp\Identical::class: |
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return new Expression\BinaryOp\Identical(); |
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case Node\Expr\BinaryOp\Concat::class: |
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return new Expression\Operators\Concat(); |
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case Node\Expr\BinaryOp\NotIdentical::class: |
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return new Expression\BinaryOp\NotIdentical(); |
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case Node\Expr\BinaryOp\Equal::class: |
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return new Expression\BinaryOp\Equal(); |
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case Node\Expr\BinaryOp\NotEqual::class: |
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return new Expression\BinaryOp\NotEqual(); |
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/** |
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* @link http://php.net/manual/en/language.operators.increment.php |
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*/ |
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case Node\Expr\PostInc::class: |
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return new Expression\Operators\PostInc(); |
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case Node\Expr\PostDec::class: |
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return new Expression\Operators\PostDec(); |
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case Node\Expr\PreInc::class: |
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return new Expression\Operators\PreInc(); |
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case Node\Expr\PreDec::class: |
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return new Expression\Operators\PreDec(); |
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/** |
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* Arithmetical |
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*/ |
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case Node\Expr\BinaryOp\Div::class: |
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return new Expression\Operators\Arithmetical\Div(); |
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case Node\Expr\BinaryOp\Plus::class: |
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return new Expression\Operators\Arithmetical\Plus(); |
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case Node\Expr\BinaryOp\Minus::class: |
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return new Expression\Operators\Arithmetical\Minus(); |
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case Node\Expr\BinaryOp\Mul::class: |
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return new Expression\Operators\Arithmetical\Mul(); |
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case Node\Expr\BinaryOp\Mod::class: |
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return new Expression\Operators\Arithmetical\Mod(); |
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case Node\Expr\BinaryOp\Pow::class: |
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return new Expression\Operators\Arithmetical\Pow(); |
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/** |
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* Bitwise |
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* @link http://php.net/manual/ru/language.operators.bitwise.php |
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*/ |
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case Node\Expr\BinaryOp\BitwiseOr::class: |
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return new Expression\Operators\Bitwise\BitwiseOr(); |
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case Node\Expr\BinaryOp\BitwiseXor::class: |
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return new Expression\Operators\Bitwise\BitwiseXor(); |
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case Node\Expr\BinaryOp\BitwiseAnd::class: |
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return new Expression\Operators\Bitwise\BitwiseAnd(); |
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case Node\Expr\BinaryOp\ShiftRight::class: |
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return new Expression\Operators\Bitwise\ShiftRight(); |
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case Node\Expr\BinaryOp\ShiftLeft::class: |
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return new Expression\Operators\Bitwise\ShiftLeft(); |
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case Node\Expr\BitwiseNot::class: |
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return new Expression\Operators\Bitwise\BitwiseNot(); |
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/** |
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* Logical |
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*/ |
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case Node\Expr\BinaryOp\BooleanOr::class: |
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return new Expression\Operators\Logical\BooleanOr(); |
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case Node\Expr\BinaryOp\BooleanAnd::class: |
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return new Expression\Operators\Logical\BooleanAnd(); |
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case Node\Expr\BooleanNot::class: |
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return new Expression\Operators\Logical\BooleanNot(); |
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case Node\Expr\BinaryOp\LogicalAnd::class: |
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return new Expression\Operators\Logical\LogicalAnd(); |
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case Node\Expr\BinaryOp\LogicalOr::class: |
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return new Expression\Operators\Logical\LogicalOr(); |
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case Node\Expr\BinaryOp\LogicalXor::class: |
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return new Expression\Operators\Logical\LogicalXor(); |
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/** |
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* Comparison |
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*/ |
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case Node\Expr\BinaryOp\Greater::class: |
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return new Expression\Operators\Comparison\Greater(); |
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case Node\Expr\BinaryOp\GreaterOrEqual::class: |
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return new Expression\Operators\Comparison\GreaterOrEqual(); |
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case Node\Expr\BinaryOp\Smaller::class: |
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return new Expression\Operators\Comparison\Smaller(); |
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case Node\Expr\BinaryOp\SmallerOrEqual::class: |
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return new Expression\Operators\Comparison\SmallerOrEqual(); |
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/** |
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* Casts |
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*/ |
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case Node\Expr\Cast\Array_::class: |
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return new Expression\Casts\ArrayCast(); |
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case Node\Expr\Cast\Bool_::class: |
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return new Expression\Casts\BoolCast(); |
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case Node\Expr\Cast\Int_::class: |
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return new Expression\Casts\IntCast(); |
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case Node\Expr\Cast\Double::class: |
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return new Expression\Casts\DoubleCast(); |
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case Node\Expr\Cast\Object_::class: |
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return new Expression\Casts\ObjectCast(); |
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case Node\Expr\Cast\String_::class: |
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return new Expression\Casts\StringCast(); |
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case Node\Expr\Cast\Unset_::class: |
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return new Expression\Casts\UnsetCast(); |
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/** |
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* Other |
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*/ |
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case Node\Expr\Closure::class: |
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return new Expression\Closure(); |
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case Node\Expr\UnaryMinus::class: |
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return new Expression\Operators\UnaryMinus(); |
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case Node\Expr\UnaryPlus::class: |
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return new Expression\Operators\UnaryPlus(); |
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} |
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1 |
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return false; |
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} |
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/** |
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* @param object|string $expr |
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* @return CompiledExpression |
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*/ |
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public function compile($expr) |
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{ |
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if (is_string($expr)) { |
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return new CompiledExpression(CompiledExpression::STRING, $expr); |
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} |
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if (is_null($expr)) { |
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return new CompiledExpression(CompiledExpression::NULL); |
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} |
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if (!is_object($expr)) { |
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throw new InvalidArgumentException('$expr must be string/object/null'); |
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} |
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$this->eventManager->fire( |
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ExpressionBeforeCompile::EVENT_NAME, |
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new ExpressionBeforeCompile( |
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$expr, |
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$this->context |
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) |
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); |
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235
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$className = get_class($expr); |
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switch ($className) { |
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case Node\Arg::class: |
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/** |
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* @todo Better compile |
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*/ |
241
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2 |
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return $this->compile($expr->value); |
242
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case Node\Expr\PropertyFetch::class: |
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return $this->passPropertyFetch($expr); |
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725 |
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case Node\Stmt\Property::class: |
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return $this->passProperty($expr); |
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case Node\Expr\ClassConstFetch::class: |
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return $this->passConstFetch($expr); |
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725 |
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case Node\Expr\Assign::class: |
249
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return $this->passSymbol($expr); |
250
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case Node\Expr\AssignRef::class: |
251
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return $this->passSymbolByRef($expr); |
252
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725 |
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case Node\Expr\Variable::class: |
253
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return $this->passExprVariable($expr); |
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255
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/** |
256
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* Expressions |
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*/ |
258
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725 |
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case Node\Expr\Array_::class: |
259
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return $this->getArray($expr); |
260
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724 |
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case Node\Expr\ConstFetch::class: |
261
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return $this->constFetch($expr); |
262
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724 |
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case Node\Name::class: |
263
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return $this->getNodeName($expr); |
264
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724 |
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case Node\Name\FullyQualified::class: |
265
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return $this->getFullyQualifiedNodeName($expr); |
266
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267
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/** |
268
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* Simple Scalar(s) |
269
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*/ |
270
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724 |
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case \PHPSA\Node\Scalar\Nil::class: |
271
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21 |
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return new CompiledExpression(CompiledExpression::NULL); |
272
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723 |
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case Node\Scalar\LNumber::class: |
273
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458 |
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return new CompiledExpression(CompiledExpression::INTEGER, $expr->value); |
274
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717 |
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case Node\Scalar\DNumber::class: |
275
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197 |
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return new CompiledExpression(CompiledExpression::DOUBLE, $expr->value); |
276
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716 |
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case Node\Scalar\String_::class: |
277
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26 |
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return new CompiledExpression(CompiledExpression::STRING, $expr->value); |
278
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711 |
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case \PHPSA\Node\Scalar\Boolean::class: |
279
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214 |
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return new CompiledExpression(CompiledExpression::BOOLEAN, $expr->value); |
280
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709 |
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case \PHPSA\Node\Scalar\Fake::class: |
281
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return new CompiledExpression($expr->type, $expr->value); |
282
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} |
283
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284
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709 |
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$expressionCompiler = $this->factory($expr); |
285
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709 |
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if (!$expressionCompiler) { |
286
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1 |
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$this->context->debug("Expression compiler is not implemented for {$className}"); |
287
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1 |
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return new CompiledExpression(CompiledExpression::UNIMPLEMENTED); |
288
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} |
289
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290
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709 |
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$result = $expressionCompiler->pass($expr, $this->context); |
291
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709 |
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if (!$result instanceof CompiledExpression) { |
292
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throw new RuntimeException('Please return CompiledExpression from ' . get_class($expressionCompiler)); |
293
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} |
294
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295
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709 |
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return $result; |
296
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} |
297
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298
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/** |
299
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* @todo Implement |
300
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* |
301
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* @param Node\Stmt\Property $st |
302
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* @return CompiledExpression |
303
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*/ |
304
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public function passProperty(Node\Stmt\Property $st) |
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305
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{ |
306
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$docBlock = $st->getDocComment(); |
307
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if (!$docBlock) { |
308
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$this->context->notice( |
309
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'missing-docblock', |
310
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sprintf('Missing docblock for $%s property', $st->props[0]->name), |
311
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$st |
312
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); |
313
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314
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return new CompiledExpression(); |
315
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} |
316
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|
317
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$phpdoc = new \phpDocumentor\Reflection\DocBlock($docBlock->getText()); |
318
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319
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$varTags = $phpdoc->getTagsByName('var'); |
320
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if ($varTags) { |
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321
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/** @var \phpDocumentor\Reflection\DocBlock\Tag\VarTag $varTag */ |
322
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$varTag = current($varTags); |
323
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324
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$typeResolver = new \phpDocumentor\Reflection\TypeResolver(); |
325
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326
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try { |
327
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$type = $typeResolver->resolve($varTag->getType()); |
328
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} catch (\InvalidArgumentException $e) { |
329
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return new CompiledExpression(); |
330
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} |
331
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332
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if ($type) { |
333
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switch (get_class($type)) { |
334
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case \phpDocumentor\Reflection\Types\Object_::class: |
335
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return new CompiledExpression( |
336
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CompiledExpression::OBJECT |
337
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); |
338
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case \phpDocumentor\Reflection\Types\Integer::class: |
339
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return new CompiledExpression( |
340
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CompiledExpression::INTEGER |
341
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); |
342
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case \phpDocumentor\Reflection\Types\String_::class: |
343
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return new CompiledExpression( |
344
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CompiledExpression::STRING |
345
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); |
346
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case \phpDocumentor\Reflection\Types\Float_::class: |
347
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|
return new CompiledExpression( |
348
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CompiledExpression::DOUBLE |
349
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); |
350
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|
|
case \phpDocumentor\Reflection\Types\Null_::class: |
351
|
|
|
return new CompiledExpression( |
352
|
|
|
CompiledExpression::NULL |
353
|
|
|
); |
354
|
|
|
case \phpDocumentor\Reflection\Types\Boolean::class: |
355
|
|
|
return new CompiledExpression( |
356
|
|
|
CompiledExpression::BOOLEAN |
357
|
|
|
); |
358
|
|
|
} |
359
|
|
|
} |
360
|
|
|
} |
361
|
|
|
|
362
|
|
|
return new CompiledExpression(); |
363
|
|
|
} |
364
|
|
|
|
365
|
|
|
/** |
366
|
|
|
* @param Node\Expr\Variable $expr |
367
|
|
|
* @return CompiledExpression |
368
|
|
|
*/ |
369
|
1 |
|
public function declareVariable(Node\Expr\Variable $expr) |
370
|
|
|
{ |
371
|
1 |
|
$variable = $this->context->getSymbol($expr->name); |
372
|
1 |
|
if (!$variable) { |
373
|
|
|
$variable = new Variable($expr->name, null, CompiledExpression::UNKNOWN, $this->context->getCurrentBranch()); |
|
|
|
|
374
|
|
|
$this->context->addVariable($variable); |
375
|
|
|
} |
376
|
|
|
|
377
|
1 |
|
return new CompiledExpression($variable->getType(), $variable->getValue(), $variable); |
378
|
|
|
} |
379
|
|
|
|
380
|
|
|
/** |
381
|
|
|
* @param Node\Name\FullyQualified $expr |
382
|
|
|
* @return CompiledExpression |
383
|
|
|
*/ |
384
|
|
|
public function getFullyQualifiedNodeName(Node\Name\FullyQualified $expr) |
385
|
|
|
{ |
386
|
|
|
$this->context->debug('Unimplemented FullyQualified', $expr); |
387
|
|
|
|
388
|
|
|
return new CompiledExpression; |
389
|
|
|
} |
390
|
|
|
|
391
|
|
|
/** |
392
|
|
|
* @param Node\Name $expr |
393
|
|
|
* @return CompiledExpression |
394
|
|
|
*/ |
395
|
11 |
|
public function getNodeName(Node\Name $expr) |
396
|
|
|
{ |
397
|
11 |
|
$nodeString = $expr->toString(); |
398
|
11 |
|
if ($nodeString === 'null') { |
399
|
1 |
|
return new CompiledExpression(CompiledExpression::NULL); |
400
|
|
|
} |
401
|
|
|
|
402
|
10 |
|
if (in_array($nodeString, ['parent'], true)) { |
403
|
|
|
/** @var ClassDefinition $scope */ |
404
|
|
|
$scope = $this->context->scope; |
405
|
|
|
assert($scope instanceof ClassDefinition); |
406
|
|
|
|
407
|
|
|
if ($scope->getExtendsClass()) { |
|
|
|
|
408
|
|
|
$definition = $scope->getExtendsClassDefinition(); |
409
|
|
|
if ($definition) { |
410
|
|
|
return new CompiledExpression(CompiledExpression::OBJECT, $definition); |
411
|
|
|
} |
412
|
|
|
} else { |
413
|
|
|
$this->context->notice( |
414
|
|
|
'no-parent', |
415
|
|
|
'Cannot access parent:: when current class scope has no parent', |
416
|
|
|
$expr |
417
|
|
|
); |
418
|
|
|
} |
419
|
|
|
} |
420
|
|
|
|
421
|
10 |
|
if (in_array($nodeString, ['self', 'static'], true)) { |
422
|
|
|
return CompiledExpression::fromZvalValue($this->context->scope); |
423
|
|
|
} |
424
|
|
|
|
425
|
10 |
|
if (defined($nodeString)) { |
426
|
1 |
|
return CompiledExpression::fromZvalValue(constant($expr)); |
427
|
|
|
} |
428
|
|
|
|
429
|
10 |
|
return new CompiledExpression(CompiledExpression::STRING, $expr->toString()); |
430
|
|
|
} |
431
|
|
|
|
432
|
|
|
/** |
433
|
|
|
* @param Node\Expr\PropertyFetch $expr |
434
|
|
|
* @return CompiledExpression |
435
|
|
|
*/ |
436
|
|
|
protected function passPropertyFetch(Node\Expr\PropertyFetch $expr) |
437
|
|
|
{ |
438
|
|
|
$propertNameCE = $this->compile($expr->name); |
439
|
|
|
|
440
|
|
|
$scopeExpression = $this->compile($expr->var); |
441
|
|
|
if ($scopeExpression->isObject()) { |
442
|
|
|
$scopeExpressionValue = $scopeExpression->getValue(); |
443
|
|
|
if ($scopeExpressionValue instanceof ClassDefinition) { |
444
|
|
|
$propertyName = $propertNameCE->isString() ? $propertNameCE->getValue() : false; |
445
|
|
|
if ($propertyName) { |
446
|
|
|
if ($scopeExpressionValue->hasProperty($propertyName, true)) { |
447
|
|
|
$property = $scopeExpressionValue->getProperty($propertyName, true); |
448
|
|
|
return $this->compile($property); |
449
|
|
|
} else { |
450
|
|
|
$this->context->notice( |
451
|
|
|
'undefined-property', |
452
|
|
|
sprintf( |
453
|
|
|
'Property %s does not exist in %s scope', |
454
|
|
|
$propertyName, |
455
|
|
|
$scopeExpressionValue->getName() |
456
|
|
|
), |
457
|
|
|
$expr |
458
|
|
|
); |
459
|
|
|
} |
460
|
|
|
} |
461
|
|
|
} |
462
|
|
|
|
463
|
|
|
return new CompiledExpression(CompiledExpression::UNKNOWN); |
464
|
|
|
} elseif (!$scopeExpression->canBeObject()) { |
465
|
|
|
return new CompiledExpression(CompiledExpression::UNKNOWN); |
466
|
|
|
} |
467
|
|
|
|
468
|
|
|
$this->context->notice( |
469
|
|
|
'property-fetch-on-non-object', |
470
|
|
|
"It's not possible to fetch property on not object", |
471
|
|
|
$expr, |
472
|
|
|
Check::CHECK_BETA |
473
|
|
|
); |
474
|
|
|
|
475
|
|
|
return new CompiledExpression(CompiledExpression::UNKNOWN); |
476
|
|
|
} |
477
|
|
|
|
478
|
|
|
/** |
479
|
|
|
* @param Node\Expr\ClassConstFetch $expr |
480
|
|
|
* @return CompiledExpression |
481
|
|
|
*/ |
482
|
|
|
protected function passConstFetch(Node\Expr\ClassConstFetch $expr) |
483
|
|
|
{ |
484
|
|
|
$leftCE = $this->compile($expr->class); |
485
|
|
|
if ($leftCE->isObject()) { |
486
|
|
|
$leftCEValue = $leftCE->getValue(); |
487
|
|
|
if ($leftCEValue instanceof ClassDefinition) { |
488
|
|
|
if (!$leftCEValue->hasConst($expr->name, true)) { |
489
|
|
|
$this->context->notice( |
490
|
|
|
'undefined-const', |
491
|
|
|
sprintf('Constant %s does not exist in %s scope', $expr->name, $expr->class), |
492
|
|
|
$expr |
493
|
|
|
); |
494
|
|
|
return new CompiledExpression(CompiledExpression::UNKNOWN); |
495
|
|
|
} |
496
|
|
|
|
497
|
|
|
return new CompiledExpression(); |
498
|
|
|
} |
499
|
|
|
} |
500
|
|
|
|
501
|
|
|
$this->context->debug('Unknown const fetch', $expr); |
502
|
|
|
return new CompiledExpression(); |
503
|
|
|
} |
504
|
|
|
|
505
|
|
|
/** |
506
|
|
|
* @param Node\Expr\Assign $expr |
507
|
|
|
* @return CompiledExpression |
508
|
|
|
*/ |
509
|
11 |
|
protected function passSymbol(Node\Expr\Assign $expr) |
|
|
|
|
510
|
|
|
{ |
511
|
11 |
|
$compiledExpression = $this->compile($expr->expr); |
512
|
|
|
|
513
|
11 |
|
if ($expr->var instanceof Node\Expr\List_) { |
514
|
|
|
$isCorrectType = false; |
515
|
|
|
|
516
|
|
|
switch ($compiledExpression->getType()) { |
517
|
|
|
case CompiledExpression::ARR: |
518
|
|
|
$isCorrectType = true; |
519
|
|
|
break; |
520
|
|
|
} |
521
|
|
|
|
522
|
|
|
if ($expr->var->vars) { |
|
|
|
|
523
|
|
|
foreach ($expr->var->vars as $key => $var) { |
524
|
|
|
if ($var instanceof Node\Expr\Variable) { |
525
|
|
|
if (!isset($expr->var->name)) { |
526
|
|
|
var_dump($var); |
|
|
|
|
527
|
|
|
} |
528
|
|
|
$name = $expr->var->name; |
|
|
|
|
529
|
|
|
|
530
|
|
|
$symbol = $this->context->getSymbol($name); |
531
|
|
|
if (!$symbol) { |
532
|
|
|
$symbol = new Variable( |
533
|
|
|
$name, |
534
|
|
|
null, |
535
|
|
|
CompiledExpression::UNKNOWN, |
536
|
|
|
$this->context->getCurrentBranch() |
537
|
|
|
); |
538
|
|
|
$this->context->addVariable($symbol); |
539
|
|
|
} |
540
|
|
|
|
541
|
|
|
if (!$isCorrectType) { |
542
|
|
|
$symbol->modify(CompiledExpression::NULL, null); |
543
|
|
|
} |
544
|
|
|
|
545
|
|
|
$symbol->incSets(); |
546
|
|
|
} |
547
|
|
|
} |
548
|
|
|
} |
549
|
|
|
|
550
|
|
|
return new CompiledExpression(); |
551
|
|
|
} |
552
|
|
|
|
553
|
|
|
|
554
|
11 |
|
if ($expr->var instanceof Node\Expr\Variable) { |
555
|
11 |
|
$compiledExpressionName = $this->compile($expr->var->name); |
|
|
|
|
556
|
11 |
|
switch ($compiledExpressionName->getType()) { |
557
|
11 |
|
case CompiledExpression::STRING: |
558
|
11 |
|
break; |
559
|
|
|
default: |
560
|
|
|
$this->context->debug('Unexpected type of Variable name after compile'); |
561
|
|
|
return new CompiledExpression(); |
562
|
11 |
|
} |
563
|
|
|
|
564
|
11 |
|
$symbol = $this->context->getSymbol($compiledExpressionName->getValue()); |
565
|
11 |
|
if ($symbol) { |
566
|
2 |
|
$symbol->modify($compiledExpression->getType(), $compiledExpression->getValue()); |
567
|
2 |
|
$this->context->modifyReferencedVariables( |
568
|
2 |
|
$symbol, |
569
|
2 |
|
$compiledExpression->getType(), |
570
|
2 |
|
$compiledExpression->getValue() |
571
|
2 |
|
); |
572
|
2 |
|
} else { |
573
|
11 |
|
$symbol = new Variable( |
574
|
11 |
|
$compiledExpressionName->getValue(), |
575
|
11 |
|
$compiledExpression->getValue(), |
576
|
11 |
|
$compiledExpression->getType(), |
577
|
11 |
|
$this->context->getCurrentBranch() |
578
|
11 |
|
); |
579
|
11 |
|
$this->context->addVariable($symbol); |
580
|
|
|
} |
581
|
|
|
|
582
|
11 |
|
$symbol->incSets(); |
583
|
11 |
|
return $compiledExpression; |
584
|
|
|
} |
585
|
|
|
|
586
|
|
|
if ($expr->var instanceof Node\Expr\PropertyFetch) { |
587
|
|
|
$compiledExpression = $this->compile($expr->var->var); |
588
|
|
|
if ($compiledExpression->getType() == CompiledExpression::OBJECT) { |
589
|
|
|
$objectDefinition = $compiledExpression->getValue(); |
590
|
|
|
if ($objectDefinition instanceof ClassDefinition) { |
591
|
|
|
if (is_string($expr->var->name)) { |
592
|
|
|
if ($objectDefinition->hasProperty($expr->var->name)) { |
593
|
|
|
return $this->compile($objectDefinition->getProperty($expr->var->name)); |
594
|
|
|
} |
595
|
|
|
} |
596
|
|
|
} |
597
|
|
|
} |
598
|
|
|
} |
599
|
|
|
|
600
|
|
|
$this->context->debug('Unknown how to pass symbol'); |
601
|
|
|
return new CompiledExpression(); |
602
|
|
|
} |
603
|
|
|
|
604
|
|
|
/** |
605
|
|
|
* @param Node\Expr\AssignRef $expr |
606
|
|
|
* @return CompiledExpression |
607
|
|
|
*/ |
608
|
1 |
|
protected function passSymbolByRef(Node\Expr\AssignRef $expr) |
609
|
|
|
{ |
610
|
1 |
|
if ($expr->var instanceof Node\Expr\Variable) { |
611
|
1 |
|
$name = $expr->var->name; |
612
|
|
|
|
613
|
1 |
|
$compiledExpression = $this->compile($expr->expr); |
614
|
|
|
|
615
|
1 |
|
$symbol = $this->context->getSymbol($name); |
616
|
1 |
|
if ($symbol) { |
617
|
|
|
$symbol->modify($compiledExpression->getType(), $compiledExpression->getValue()); |
618
|
|
|
} else { |
619
|
1 |
|
$symbol = new Variable( |
620
|
1 |
|
$name, |
|
|
|
|
621
|
1 |
|
$compiledExpression->getValue(), |
622
|
1 |
|
$compiledExpression->getType(), |
623
|
1 |
|
$this->context->getCurrentBranch() |
624
|
1 |
|
); |
625
|
1 |
|
$this->context->addVariable($symbol); |
626
|
|
|
} |
627
|
|
|
|
628
|
1 |
|
if ($expr->expr instanceof Node\Expr\Variable) { |
629
|
1 |
|
$rightVarName = $expr->expr->name; |
630
|
|
|
|
631
|
1 |
|
$rightSymbol = $this->context->getSymbol($rightVarName); |
632
|
1 |
|
if ($rightSymbol) { |
633
|
1 |
|
$rightSymbol->incUse(); |
634
|
1 |
|
$symbol->setReferencedTo($rightSymbol); |
635
|
1 |
|
} else { |
636
|
|
|
$this->context->debug('Cannot fetch variable by name: ' . $rightVarName); |
637
|
|
|
} |
638
|
1 |
|
} |
639
|
|
|
|
640
|
1 |
|
$symbol->incSets(); |
641
|
1 |
|
return $compiledExpression; |
642
|
|
|
} |
643
|
|
|
|
644
|
|
|
$this->context->debug('Unknown how to pass symbol by ref'); |
645
|
|
|
return new CompiledExpression(); |
646
|
|
|
} |
647
|
|
|
|
648
|
|
|
/** |
649
|
|
|
* @param Node\Expr\Variable $expr |
650
|
|
|
* @return CompiledExpression |
651
|
|
|
*/ |
652
|
7 |
|
protected function passExprVariable(Node\Expr\Variable $expr) |
653
|
|
|
{ |
654
|
7 |
|
$variable = $this->context->getSymbol($expr->name); |
655
|
7 |
|
if ($variable) { |
656
|
7 |
|
$variable->incGets(); |
657
|
7 |
|
return new CompiledExpression($variable->getType(), $variable->getValue(), $variable); |
658
|
|
|
} |
659
|
|
|
|
660
|
|
|
$this->context->notice( |
661
|
|
|
'undefined-variable', |
662
|
|
|
sprintf('You trying to use undefined variable $%s', $expr->name), |
663
|
|
|
$expr |
664
|
|
|
); |
665
|
|
|
|
666
|
|
|
return new CompiledExpression(); |
667
|
|
|
} |
668
|
|
|
|
669
|
|
|
/** |
670
|
|
|
* Compile Array_ expression to CompiledExpression |
671
|
|
|
* |
672
|
|
|
* @param Node\Expr\Array_ $expr |
673
|
|
|
* @return CompiledExpression |
674
|
|
|
*/ |
675
|
23 |
|
protected function getArray(Node\Expr\Array_ $expr) |
676
|
|
|
{ |
677
|
23 |
|
if ($expr->items === []) { |
678
|
14 |
|
return new CompiledExpression(CompiledExpression::ARR, []); |
679
|
|
|
} |
680
|
|
|
|
681
|
9 |
|
$resultArray = []; |
682
|
|
|
|
683
|
9 |
|
foreach ($expr->items as $item) { |
684
|
9 |
|
$compiledValueResult = $this->compile($item->value); |
685
|
9 |
|
if ($item->key) { |
686
|
2 |
|
$compiledKeyResult = $this->compile($item->key); |
687
|
2 |
|
switch ($compiledKeyResult->getType()) { |
688
|
2 |
|
case CompiledExpression::INTEGER: |
689
|
2 |
|
case CompiledExpression::DOUBLE: |
690
|
2 |
|
case CompiledExpression::BOOLEAN: |
691
|
2 |
|
case CompiledExpression::NULL: |
692
|
2 |
|
case CompiledExpression::STRING: |
693
|
2 |
|
$resultArray[$compiledKeyResult->getValue()] = $compiledValueResult->getValue(); |
694
|
2 |
|
break; |
695
|
|
|
default: |
696
|
|
|
$this->context->debug("Type {$compiledKeyResult->getType()} is not supported for key value"); |
697
|
|
|
return new CompiledExpression(CompiledExpression::ARR); |
698
|
|
|
break; |
|
|
|
|
699
|
2 |
|
} |
700
|
2 |
|
} else { |
701
|
7 |
|
$resultArray[] = $compiledValueResult->getValue(); |
702
|
|
|
} |
703
|
9 |
|
} |
704
|
|
|
|
705
|
9 |
|
return new CompiledExpression(CompiledExpression::ARR, $resultArray); |
706
|
|
|
} |
707
|
|
|
|
708
|
|
|
/** |
709
|
|
|
* Convert const fetch expr to CompiledExpression |
710
|
|
|
* |
711
|
|
|
* @param Node\Expr\ConstFetch $expr |
712
|
|
|
* @return CompiledExpression |
713
|
|
|
*/ |
714
|
5 |
|
protected function constFetch(Node\Expr\ConstFetch $expr) |
715
|
|
|
{ |
716
|
5 |
|
if ($expr->name instanceof Node\Name) { |
717
|
5 |
|
if ($expr->name->parts[0] === 'true') { |
718
|
4 |
|
return new CompiledExpression(CompiledExpression::BOOLEAN, true); |
719
|
|
|
} |
720
|
|
|
|
721
|
2 |
|
if ($expr->name->parts[0] === 'false') { |
722
|
|
|
return new CompiledExpression(CompiledExpression::BOOLEAN, false); |
723
|
|
|
} |
724
|
2 |
|
} |
725
|
|
|
|
726
|
|
|
/** |
727
|
|
|
* @todo Implement check |
728
|
|
|
*/ |
729
|
2 |
|
return $this->compile($expr->name); |
730
|
|
|
} |
731
|
|
|
} |
732
|
|
|
|
The class complexity is the sum of the complexity of all methods. A very high value is usually an indication that your class does not follow the single reponsibility principle and does more than one job.
Some resources for further reading:
You can also find more detailed suggestions for refactoring in the “Code” section of your repository.