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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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* Assign |
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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\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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/** |
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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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/** |
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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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/** |
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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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/** |
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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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* Another |
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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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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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$this->context |
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) |
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); |
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$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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*/ |
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return $this->compile($expr->value); |
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case Node\Expr\PropertyFetch::class: |
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return $this->passPropertyFetch($expr); |
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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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case Node\Expr\Assign::class: |
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return $this->passSymbol($expr); |
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case Node\Expr\AssignRef::class: |
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return $this->passSymbolByRef($expr); |
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case Node\Expr\Variable::class: |
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return $this->passExprVariable($expr); |
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/** |
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* Cast operators |
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*/ |
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case Node\Expr\Cast\Bool_::class: |
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return $this->passCastBoolean($expr); |
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case Node\Expr\Cast\Int_::class: |
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return $this->passCastInt($expr); |
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case Node\Expr\Cast\Double::class: |
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return $this->passCastFloat($expr); |
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case Node\Expr\Cast\String_::class: |
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return $this->passCastString($expr); |
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case Node\Expr\Cast\Unset_::class: |
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return $this->passCastUnset($expr); |
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/** |
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* Expressions |
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*/ |
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case Node\Expr\Array_::class: |
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return $this->getArray($expr); |
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case Node\Expr\ConstFetch::class: |
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return $this->constFetch($expr); |
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case Node\Name::class: |
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return $this->getNodeName($expr); |
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case Node\Name\FullyQualified::class: |
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return $this->getFullyQualifiedNodeName($expr); |
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/** |
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* Simple Scalar(s) |
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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 Node\Scalar\LNumber::class: |
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return new CompiledExpression(CompiledExpression::INTEGER, $expr->value); |
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case Node\Scalar\DNumber::class: |
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return new CompiledExpression(CompiledExpression::DOUBLE, $expr->value); |
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case Node\Scalar\String_::class: |
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return new CompiledExpression(CompiledExpression::STRING, $expr->value); |
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case \PHPSA\Node\Scalar\Boolean::class: |
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return new CompiledExpression(CompiledExpression::BOOLEAN, $expr->value); |
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case \PHPSA\Node\Scalar\Fake::class: |
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return new CompiledExpression($expr->type, $expr->value); |
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} |
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$expressionCompiler = $this->factory($expr); |
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if (!$expressionCompiler) { |
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$this->context->debug("Expression compiler is not implemented for {$className}"); |
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return new CompiledExpression(CompiledExpression::UNIMPLEMENTED); |
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} |
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254
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$result = $expressionCompiler->pass($expr, $this->context); |
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if (!$result instanceof CompiledExpression) { |
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throw new RuntimeException('Please return CompiledExpression from ' . get_class($expressionCompiler)); |
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} |
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return $result; |
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} |
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262
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/** |
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* @todo Implement |
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* |
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* @param Node\Stmt\Property $st |
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* @return CompiledExpression |
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*/ |
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public function passProperty(Node\Stmt\Property $st) |
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{ |
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$docBlock = $st->getDocComment(); |
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if (!$docBlock) { |
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$this->context->notice( |
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'missing-docblock', |
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'Missing docblock for %s() property', |
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$st |
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); |
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return new CompiledExpression(); |
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} |
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$phpdoc = new \phpDocumentor\Reflection\DocBlock($docBlock->getText()); |
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283
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$varTags = $phpdoc->getTagsByName('var'); |
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if ($varTags) { |
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/** @var \phpDocumentor\Reflection\DocBlock\Tag\VarTag $varTag */ |
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$varTag = current($varTags); |
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$typeResolver = new \phpDocumentor\Reflection\TypeResolver(); |
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try { |
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$type = $typeResolver->resolve($varTag->getType()); |
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} catch (\InvalidArgumentException $e) { |
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return new CompiledExpression(); |
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} |
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if ($type) { |
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switch (get_class($type)) { |
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case \phpDocumentor\Reflection\Types\Object_::class: |
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return new CompiledExpression( |
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CompiledExpression::OBJECT |
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); |
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case \phpDocumentor\Reflection\Types\Integer::class: |
303
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return new CompiledExpression( |
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CompiledExpression::INTEGER |
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); |
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case \phpDocumentor\Reflection\Types\String_::class: |
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return new CompiledExpression( |
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CompiledExpression::STRING |
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); |
310
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case \phpDocumentor\Reflection\Types\Float_::class: |
311
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return new CompiledExpression( |
312
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CompiledExpression::DOUBLE |
313
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); |
314
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case \phpDocumentor\Reflection\Types\Null_::class: |
315
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return new CompiledExpression( |
316
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CompiledExpression::NULL |
317
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); |
318
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case \phpDocumentor\Reflection\Types\Boolean::class: |
319
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return new CompiledExpression( |
320
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CompiledExpression::BOOLEAN |
321
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); |
322
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} |
323
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} |
324
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} |
325
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326
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return new CompiledExpression(); |
327
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} |
328
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329
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/** |
330
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* @param Node\Expr\Variable $expr |
331
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* @return CompiledExpression |
332
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*/ |
333
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public function declareVariable(Node\Expr\Variable $expr) |
334
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{ |
335
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$variable = $this->context->getSymbol($expr->name); |
336
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if (!$variable) { |
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$variable = new Variable($expr->name, null, CompiledExpression::UNKNOWN, $this->context->getCurrentBranch()); |
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$this->context->addVariable($variable); |
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} |
340
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341
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return new CompiledExpression($variable->getType(), $variable->getValue(), $variable); |
342
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} |
343
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344
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/** |
345
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* @param Node\Name\FullyQualified $expr |
346
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* @return CompiledExpression |
347
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*/ |
348
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public function getFullyQualifiedNodeName(Node\Name\FullyQualified $expr) |
349
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{ |
350
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$this->context->debug('Unimplemented FullyQualified', $expr); |
351
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352
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return new CompiledExpression; |
353
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} |
354
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355
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|
/** |
356
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|
* @param Node\Name $expr |
357
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* @return CompiledExpression |
358
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*/ |
359
|
7 |
|
public function getNodeName(Node\Name $expr) |
360
|
|
|
{ |
361
|
7 |
|
if ($expr->toString() === 'null') { |
362
|
|
|
return new CompiledExpression(CompiledExpression::NULL); |
363
|
|
|
} |
364
|
|
|
|
365
|
7 |
|
if (in_array($expr, ['parent'], true)) { |
366
|
|
|
/** @var ClassDefinition $scope */ |
367
|
|
|
$scope = $this->context->scope; |
368
|
|
|
assert($scope instanceof ClassDefinition); |
369
|
|
|
|
370
|
|
|
if ($scope->getExtendsClass()) { |
|
|
|
|
371
|
|
|
$definition = $scope->getExtendsClassDefinition(); |
372
|
|
|
if ($definition) { |
373
|
|
|
return new CompiledExpression(CompiledExpression::OBJECT, $definition); |
374
|
|
|
} |
375
|
|
|
} else { |
376
|
|
|
$this->context->notice( |
377
|
|
|
'no-parent', |
378
|
|
|
'Cannot access parent:: when current class scope has no parent', |
379
|
|
|
$expr |
380
|
|
|
); |
381
|
|
|
} |
382
|
|
|
} |
383
|
|
|
|
384
|
7 |
|
if (in_array($expr, ['self', 'static'], true)) { |
385
|
|
|
return CompiledExpression::fromZvalValue($this->context->scope); |
386
|
|
|
} |
387
|
|
|
|
388
|
7 |
|
if (defined($expr)) { |
389
|
|
|
return CompiledExpression::fromZvalValue(constant($expr)); |
390
|
|
|
} |
391
|
|
|
|
392
|
7 |
|
return new CompiledExpression(CompiledExpression::STRING, $expr->toString()); |
393
|
|
|
} |
394
|
|
|
|
395
|
|
|
/** |
396
|
|
|
* (bool) {$expr} |
397
|
|
|
* |
398
|
|
|
* @param Node\Expr\Cast\Bool_ $expr |
399
|
|
|
* @return CompiledExpression |
400
|
|
|
*/ |
401
|
|
|
protected function passCastBoolean(Node\Expr\Cast\Bool_ $expr) |
402
|
|
|
{ |
403
|
|
|
$compiledExpression = $this->compile($expr->expr); |
404
|
|
|
|
405
|
|
|
switch ($compiledExpression->getType()) { |
406
|
|
|
case CompiledExpression::BOOLEAN: |
407
|
|
|
$this->context->notice('stupid-cast', "You are trying to cast 'boolean' to 'boolean'", $expr); |
408
|
|
|
return $compiledExpression; |
409
|
|
|
case CompiledExpression::DOUBLE: |
410
|
|
|
case CompiledExpression::INTEGER: |
411
|
|
|
case CompiledExpression::NUMBER: |
412
|
|
|
case CompiledExpression::STRING: |
413
|
|
|
return new CompiledExpression(CompiledExpression::BOOLEAN, (bool) $compiledExpression->getValue()); |
414
|
|
|
} |
415
|
|
|
|
416
|
|
|
return new CompiledExpression(); |
417
|
|
|
} |
418
|
|
|
|
419
|
|
|
/** |
420
|
|
|
* (int) {$expr} |
421
|
|
|
* |
422
|
|
|
* @param Node\Expr\Cast\Int_ $expr |
423
|
|
|
* @return CompiledExpression |
424
|
|
|
*/ |
425
|
|
|
protected function passCastInt(Node\Expr\Cast\Int_ $expr) |
426
|
|
|
{ |
427
|
|
|
$compiledExpression = $this->compile($expr->expr); |
428
|
|
|
|
429
|
|
|
switch ($compiledExpression->getType()) { |
430
|
|
|
case CompiledExpression::INTEGER: |
431
|
|
|
$this->context->notice('stupid-cast', "You are trying to cast 'int' to 'int'", $expr); |
432
|
|
|
return $compiledExpression; |
433
|
|
|
case CompiledExpression::BOOLEAN: |
434
|
|
|
case CompiledExpression::DOUBLE: |
435
|
|
|
case CompiledExpression::NUMBER: |
436
|
|
|
case CompiledExpression::STRING: |
437
|
|
|
return new CompiledExpression(CompiledExpression::INTEGER, (int) $compiledExpression->getValue()); |
438
|
|
|
} |
439
|
|
|
|
440
|
|
|
return new CompiledExpression(); |
441
|
|
|
} |
442
|
|
|
|
443
|
|
|
/** |
444
|
|
|
* (float) {$expr} |
445
|
|
|
* |
446
|
|
|
* @param Node\Expr\Cast\Double $expr |
447
|
|
|
* @return CompiledExpression |
448
|
|
|
*/ |
449
|
|
|
protected function passCastFloat(Node\Expr\Cast\Double $expr) |
450
|
|
|
{ |
451
|
|
|
$compiledExpression = $this->compile($expr->expr); |
452
|
|
|
|
453
|
|
|
switch ($compiledExpression->getType()) { |
454
|
|
|
case CompiledExpression::DOUBLE: |
455
|
|
|
$this->context->notice('stupid-cast', "You are trying to cast 'float' to 'float'", $expr); |
456
|
|
|
return $compiledExpression; |
457
|
|
|
case CompiledExpression::BOOLEAN: |
458
|
|
|
case CompiledExpression::INTEGER: |
459
|
|
|
case CompiledExpression::NUMBER: |
460
|
|
|
case CompiledExpression::STRING: |
461
|
|
|
return new CompiledExpression(CompiledExpression::DOUBLE, (float) $compiledExpression->getValue()); |
462
|
|
|
} |
463
|
|
|
|
464
|
|
|
return new CompiledExpression(); |
465
|
|
|
} |
466
|
|
|
|
467
|
|
|
/** |
468
|
|
|
* (string) {$expr} |
469
|
|
|
* |
470
|
|
|
* @param Node\Expr\Cast\String_ $expr |
471
|
|
|
* @return CompiledExpression |
472
|
|
|
*/ |
473
|
|
|
protected function passCastString(Node\Expr\Cast\String_ $expr) |
474
|
|
|
{ |
475
|
|
|
$compiledExpression = $this->compile($expr->expr); |
476
|
|
|
|
477
|
|
|
switch ($compiledExpression->getType()) { |
478
|
|
|
case CompiledExpression::STRING: |
479
|
|
|
$this->context->notice('stupid-cast', "You are trying to cast 'string' to 'string'", $expr); |
480
|
|
|
return $compiledExpression; |
481
|
|
|
case CompiledExpression::BOOLEAN: |
482
|
|
|
case CompiledExpression::INTEGER: |
483
|
|
|
case CompiledExpression::NUMBER: |
484
|
|
|
case CompiledExpression::DOUBLE: |
485
|
|
|
return new CompiledExpression(CompiledExpression::DOUBLE, (string) $compiledExpression->getValue()); |
486
|
|
|
} |
487
|
|
|
|
488
|
|
|
return new CompiledExpression(); |
489
|
|
|
} |
490
|
|
|
|
491
|
|
|
/** |
492
|
|
|
* (unset) {$expr} |
493
|
|
|
* |
494
|
|
|
* @param Node\Expr\Cast\Unset_ $expr |
495
|
|
|
* @return CompiledExpression |
496
|
|
|
*/ |
497
|
|
|
protected function passCastUnset(Node\Expr\Cast\Unset_ $expr) |
498
|
|
|
{ |
499
|
|
|
$compiledExpression = $this->compile($expr->expr); |
500
|
|
|
|
501
|
|
|
switch ($compiledExpression->getType()) { |
502
|
|
|
case CompiledExpression::NULL: |
503
|
|
|
$this->context->notice('stupid-cast', "You are trying to cast 'unset' to 'null'", $expr); |
504
|
|
|
return $compiledExpression; |
505
|
|
|
} |
506
|
|
|
|
507
|
|
|
return new CompiledExpression(CompiledExpression::NULL, null); |
508
|
|
|
} |
509
|
|
|
|
510
|
|
|
/** |
511
|
|
|
* @param Node\Expr\PropertyFetch $expr |
512
|
|
|
* @return CompiledExpression |
513
|
|
|
*/ |
514
|
|
|
protected function passPropertyFetch(Node\Expr\PropertyFetch $expr) |
515
|
|
|
{ |
516
|
|
|
$propertNameCE = $this->compile($expr->name); |
517
|
|
|
|
518
|
|
|
$scopeExpression = $this->compile($expr->var); |
519
|
|
|
if ($scopeExpression->isObject()) { |
520
|
|
|
$scopeExpressionValue = $scopeExpression->getValue(); |
521
|
|
|
if ($scopeExpressionValue instanceof ClassDefinition) { |
522
|
|
|
$propertyName = $propertNameCE->isString() ? $propertNameCE->getValue() : false; |
523
|
|
|
if ($propertyName) { |
524
|
|
|
if ($scopeExpressionValue->hasProperty($propertyName, true)) { |
525
|
|
|
$property = $scopeExpressionValue->getProperty($propertyName, true); |
526
|
|
|
return $this->compile($property); |
527
|
|
|
} else { |
528
|
|
|
$this->context->notice( |
529
|
|
|
'undefined-property', |
530
|
|
|
sprintf( |
531
|
|
|
'Property %s does not exist in %s scope', |
532
|
|
|
$propertyName, |
533
|
|
|
$scopeExpressionValue->getName() |
534
|
|
|
), |
535
|
|
|
$expr |
536
|
|
|
); |
537
|
|
|
} |
538
|
|
|
} |
539
|
|
|
} |
540
|
|
|
|
541
|
|
|
return new CompiledExpression(CompiledExpression::UNKNOWN); |
542
|
|
|
} elseif (!$scopeExpression->canBeObject()) { |
543
|
|
|
return new CompiledExpression(CompiledExpression::UNKNOWN); |
544
|
|
|
} |
545
|
|
|
|
546
|
|
|
$this->context->notice( |
547
|
|
|
'property-fetch-on-non-object', |
548
|
|
|
"It's not possible to fetch property on not object", |
549
|
|
|
$expr, |
550
|
|
|
Check::CHECK_BETA |
551
|
|
|
); |
552
|
|
|
|
553
|
|
|
return new CompiledExpression(CompiledExpression::UNKNOWN); |
554
|
|
|
} |
555
|
|
|
|
556
|
|
|
/** |
557
|
|
|
* @param Node\Expr\ClassConstFetch $expr |
558
|
|
|
* @return CompiledExpression |
559
|
|
|
*/ |
560
|
|
|
protected function passConstFetch(Node\Expr\ClassConstFetch $expr) |
561
|
|
|
{ |
562
|
|
|
$leftCE = $this->compile($expr->class); |
563
|
|
|
if ($leftCE->isObject()) { |
564
|
|
|
$leftCEValue = $leftCE->getValue(); |
565
|
|
|
if ($leftCEValue instanceof ClassDefinition) { |
566
|
|
|
if (!$leftCEValue->hasConst($expr->name)) { |
567
|
|
|
$this->context->notice( |
568
|
|
|
'undefined-const', |
569
|
|
|
sprintf('Constant %s does not exist in %s scope', $expr->name, $expr->class), |
570
|
|
|
$expr |
571
|
|
|
); |
572
|
|
|
return new CompiledExpression(CompiledExpression::UNKNOWN); |
573
|
|
|
} |
574
|
|
|
|
575
|
|
|
return new CompiledExpression(); |
576
|
|
|
} |
577
|
|
|
} |
578
|
|
|
|
579
|
|
|
$this->context->debug('Unknown const fetch', $expr); |
580
|
|
|
return new CompiledExpression(); |
581
|
|
|
} |
582
|
|
|
|
583
|
|
|
/** |
584
|
|
|
* @param Node\Expr\Assign $expr |
585
|
|
|
* @return CompiledExpression |
586
|
|
|
*/ |
587
|
5 |
|
protected function passSymbol(Node\Expr\Assign $expr) |
|
|
|
|
588
|
|
|
{ |
589
|
5 |
|
$compiledExpression = $this->compile($expr->expr); |
590
|
|
|
|
591
|
5 |
|
if ($expr->var instanceof Node\Expr\List_) { |
592
|
|
|
$isCorrectType = false; |
593
|
|
|
|
594
|
|
|
switch ($compiledExpression->getType()) { |
595
|
|
|
case CompiledExpression::ARR: |
596
|
|
|
$isCorrectType = true; |
597
|
|
|
break; |
598
|
|
|
} |
599
|
|
|
|
600
|
|
|
if ($expr->var->vars) { |
|
|
|
|
601
|
|
|
foreach ($expr->var->vars as $key => $var) { |
602
|
|
|
if ($var instanceof Node\Expr\Variable) { |
603
|
|
|
if (!isset($expr->var->name)) { |
604
|
|
|
var_dump($var); |
|
|
|
|
605
|
|
|
} |
606
|
|
|
$name = $expr->var->name; |
|
|
|
|
607
|
|
|
|
608
|
|
|
$symbol = $this->context->getSymbol($name); |
609
|
|
|
if (!$symbol) { |
610
|
|
|
$symbol = new Variable( |
611
|
|
|
$name, |
612
|
|
|
null, |
613
|
|
|
CompiledExpression::UNKNOWN, |
614
|
|
|
$this->context->getCurrentBranch() |
615
|
|
|
); |
616
|
|
|
$this->context->addVariable($symbol); |
617
|
|
|
} |
618
|
|
|
|
619
|
|
|
if (!$isCorrectType) { |
620
|
|
|
$symbol->modify(CompiledExpression::NULL, null); |
621
|
|
|
} |
622
|
|
|
|
623
|
|
|
$symbol->incSets(); |
624
|
|
|
} |
625
|
|
|
} |
626
|
|
|
} |
627
|
|
|
|
628
|
|
|
return new CompiledExpression(); |
629
|
|
|
} |
630
|
|
|
|
631
|
5 |
|
if ($expr->var instanceof Node\Expr\Variable) { |
632
|
5 |
|
$name = $expr->var->name; |
633
|
|
|
|
634
|
5 |
|
$symbol = $this->context->getSymbol($name); |
635
|
5 |
|
if ($symbol) { |
636
|
1 |
|
$symbol->modify($compiledExpression->getType(), $compiledExpression->getValue()); |
637
|
1 |
|
$this->context->modifyReferencedVariables( |
638
|
1 |
|
$symbol, |
639
|
1 |
|
$compiledExpression->getType(), |
640
|
1 |
|
$compiledExpression->getValue() |
641
|
1 |
|
); |
642
|
1 |
|
} else { |
643
|
5 |
|
$symbol = new Variable( |
644
|
5 |
|
$name, |
645
|
5 |
|
$compiledExpression->getValue(), |
646
|
5 |
|
$compiledExpression->getType(), |
647
|
5 |
|
$this->context->getCurrentBranch() |
648
|
5 |
|
); |
649
|
5 |
|
$this->context->addVariable($symbol); |
650
|
|
|
} |
651
|
|
|
|
652
|
5 |
|
$symbol->incSets(); |
653
|
5 |
|
return $compiledExpression; |
654
|
|
|
} |
655
|
|
|
|
656
|
|
|
if ($expr->var instanceof Node\Expr\PropertyFetch) { |
657
|
|
|
$compiledExpression = $this->compile($expr->var->var); |
658
|
|
|
if ($compiledExpression->getType() == CompiledExpression::OBJECT) { |
659
|
|
|
$objectDefinition = $compiledExpression->getValue(); |
660
|
|
|
if ($objectDefinition instanceof ClassDefinition) { |
661
|
|
|
if (is_string($expr->var->name)) { |
662
|
|
|
if ($objectDefinition->hasProperty($expr->var->name)) { |
663
|
|
|
return $this->compile($objectDefinition->getProperty($expr->var->name)); |
664
|
|
|
} |
665
|
|
|
} |
666
|
|
|
} |
667
|
|
|
} |
668
|
|
|
} |
669
|
|
|
|
670
|
|
|
$this->context->debug('Unknown how to pass symbol'); |
671
|
|
|
return new CompiledExpression(); |
672
|
|
|
} |
673
|
|
|
|
674
|
|
|
/** |
675
|
|
|
* @param Node\Expr\AssignRef $expr |
676
|
|
|
* @return CompiledExpression |
677
|
|
|
*/ |
678
|
1 |
|
protected function passSymbolByRef(Node\Expr\AssignRef $expr) |
679
|
|
|
{ |
680
|
1 |
|
if ($expr->var instanceof Node\Expr\Variable) { |
681
|
1 |
|
$name = $expr->var->name; |
682
|
|
|
|
683
|
1 |
|
$compiledExpression = $this->compile($expr->expr); |
684
|
|
|
|
685
|
1 |
|
$symbol = $this->context->getSymbol($name); |
686
|
1 |
|
if ($symbol) { |
687
|
|
|
$symbol->modify($compiledExpression->getType(), $compiledExpression->getValue()); |
688
|
|
|
} else { |
689
|
1 |
|
$symbol = new Variable( |
690
|
1 |
|
$name, |
|
|
|
|
691
|
1 |
|
$compiledExpression->getValue(), |
692
|
1 |
|
$compiledExpression->getType(), |
693
|
1 |
|
$this->context->getCurrentBranch() |
694
|
1 |
|
); |
695
|
1 |
|
$this->context->addVariable($symbol); |
696
|
|
|
} |
697
|
|
|
|
698
|
1 |
|
if ($expr->expr instanceof Node\Expr\Variable) { |
699
|
1 |
|
$rightVarName = $expr->expr->name; |
700
|
|
|
|
701
|
1 |
|
$rightSymbol = $this->context->getSymbol($rightVarName); |
702
|
1 |
|
if ($rightSymbol) { |
703
|
1 |
|
$rightSymbol->incUse(); |
704
|
1 |
|
$symbol->setReferencedTo($rightSymbol); |
705
|
1 |
|
} else { |
706
|
|
|
$this->context->debug('Cannot fetch variable by name: ' . $rightVarName); |
707
|
|
|
} |
708
|
1 |
|
} |
709
|
|
|
|
710
|
1 |
|
$symbol->incSets(); |
711
|
1 |
|
return $compiledExpression; |
712
|
|
|
} |
713
|
|
|
|
714
|
|
|
$this->context->debug('Unknown how to pass symbol by ref'); |
715
|
|
|
return new CompiledExpression(); |
716
|
|
|
} |
717
|
|
|
|
718
|
|
|
/** |
719
|
|
|
* @param Node\Expr\Variable $expr |
720
|
|
|
* @return CompiledExpression |
721
|
|
|
*/ |
722
|
3 |
|
protected function passExprVariable(Node\Expr\Variable $expr) |
723
|
|
|
{ |
724
|
3 |
|
$variable = $this->context->getSymbol($expr->name); |
725
|
3 |
|
if ($variable) { |
726
|
3 |
|
$variable->incGets(); |
727
|
3 |
|
return new CompiledExpression($variable->getType(), $variable->getValue(), $variable); |
728
|
|
|
} |
729
|
|
|
|
730
|
|
|
$this->context->notice( |
731
|
|
|
'undefined-variable', |
732
|
|
|
sprintf('You trying to use undefined variable $%s', $expr->name), |
733
|
|
|
$expr |
734
|
|
|
); |
735
|
|
|
|
736
|
|
|
return new CompiledExpression(); |
737
|
|
|
} |
738
|
|
|
|
739
|
|
|
/** |
740
|
|
|
* Compile Array_ expression to CompiledExpression |
741
|
|
|
* |
742
|
|
|
* @param Node\Expr\Array_ $expr |
743
|
|
|
* @return CompiledExpression |
744
|
|
|
*/ |
745
|
12 |
|
protected function getArray(Node\Expr\Array_ $expr) |
746
|
|
|
{ |
747
|
12 |
|
if ($expr->items === array()) { |
748
|
8 |
|
return new CompiledExpression(CompiledExpression::ARR, array()); |
749
|
|
|
} |
750
|
|
|
|
751
|
4 |
|
$resultArray = array(); |
752
|
|
|
|
753
|
4 |
|
foreach ($expr->items as $item) { |
754
|
4 |
|
$compiledValueResult = $this->compile($item->value); |
755
|
4 |
|
if ($item->key) { |
756
|
1 |
|
$compiledKeyResult = $this->compile($item->key); |
757
|
1 |
|
switch ($compiledKeyResult->getType()) { |
758
|
1 |
|
case CompiledExpression::INTEGER: |
759
|
1 |
|
case CompiledExpression::DOUBLE: |
760
|
1 |
|
case CompiledExpression::BOOLEAN: |
761
|
1 |
|
case CompiledExpression::NULL: |
762
|
1 |
|
case CompiledExpression::STRING: |
763
|
1 |
|
$resultArray[$compiledKeyResult->getValue()] = $compiledValueResult->getValue(); |
764
|
1 |
|
break; |
765
|
|
|
default: |
766
|
|
|
$this->context->debug("Type {$compiledKeyResult->getType()} is not supported for key value"); |
767
|
|
|
return new CompiledExpression(CompiledExpression::ARR); |
768
|
|
|
break; |
|
|
|
|
769
|
1 |
|
} |
770
|
1 |
|
} else { |
771
|
3 |
|
$resultArray[] = $compiledValueResult->getValue(); |
772
|
|
|
} |
773
|
4 |
|
} |
774
|
|
|
|
775
|
4 |
|
return new CompiledExpression(CompiledExpression::ARR, $resultArray); |
776
|
|
|
} |
777
|
|
|
|
778
|
|
|
/** |
779
|
|
|
* Convert const fetch expr to CompiledExpression |
780
|
|
|
* |
781
|
|
|
* @param Node\Expr\ConstFetch $expr |
782
|
|
|
* @return CompiledExpression |
783
|
|
|
*/ |
784
|
2 |
|
protected function constFetch(Node\Expr\ConstFetch $expr) |
785
|
|
|
{ |
786
|
2 |
|
if ($expr->name instanceof Node\Name) { |
787
|
2 |
|
if ($expr->name->parts[0] === 'true') { |
788
|
2 |
|
return new CompiledExpression(CompiledExpression::BOOLEAN, true); |
789
|
|
|
} |
790
|
|
|
|
791
|
|
|
if ($expr->name->parts[0] === 'false') { |
792
|
|
|
return new CompiledExpression(CompiledExpression::BOOLEAN, false); |
793
|
|
|
} |
794
|
|
|
} |
795
|
|
|
|
796
|
|
|
/** |
797
|
|
|
* @todo Implement check |
798
|
|
|
*/ |
799
|
|
|
return $this->compile($expr->name); |
800
|
|
|
} |
801
|
|
|
} |
802
|
|
|
|
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.