Expression::passPropertyFetch() - Code Metrics - Inspection of "[Compiler] Initial support for parent::" - ovr/phpsa - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( a1d890...c099ef )

by Дмитрий
created 2016-01-18 21:06 UTC
Expression::passPropertyFetch() C

↳ Parent: Expression
Complexity

Conditions	7
Paths	8
Size

Total Lines	39
Code Lines	27
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	0
CRAP Score	56
Importance

Changes	3
Bugs	0	Features	0
Metric	Value
c	3
b	0
f	0
dl	0
loc	39
ccs	0
cts	29
cp	0
rs	6.7272
cc	7
eloc	27
nc	8
nop	1
crap	56
<?php
/**
 * @author Patsura Dmitry https://github.com/ovr <[email protected]>
 */

namespace PHPSA\Compiler;

use InvalidArgumentException;
use PHPSA\Check;
use PHPSA\CompiledExpression;
use PHPSA\Context;
use PhpParser\Node;
use PHPSA\Definition\ClassDefinition;
use PHPSA\Exception\RuntimeException;
use PHPSA\Variable;
use PHPSA\Compiler\Expression\AbstractExpressionCompiler;

class Expression

{
    /**
     * @var Context
     */
    protected $context;

    /**
     * @param Context $context
     */
    public function __construct(Context $context)
    {
        $this->context = $context;
    }

    /**
     * @param $expr
     * @return ExpressionCompilerInterface|AbstractExpressionCompiler
     */
    protected function factory($expr)
    {
        switch (get_class($expr)) {
            /**
             * Call(s)
             */
            case 'PhpParser\Node\Expr\MethodCall':
                return new Expression\MethodCall();
            case 'PhpParser\Node\Expr\FuncCall':
                return new Expression\FunctionCall();
            case 'PhpParser\Node\Expr\StaticCall':
                return new Expression\StaticCall();
            /**
             * Operators
             */
            case 'PhpParser\Node\Expr\New_':
                return new Expression\Operators\NewOp();
            case 'PhpParser\Node\Expr\Instanceof_':
                return new Expression\Operators\InstanceOfOp();
            case 'PhpParser\Node\Expr\BinaryOp\Identical':
                return new Expression\BinaryOp\Identical();
            case 'PhpParser\Node\Expr\BinaryOp\Concat':
                return new Expression\Operators\Contact();
            case 'PhpParser\Node\Expr\BinaryOp\NotIdentical':
                return new Expression\BinaryOp\NotIdentical();
            case 'PhpParser\Node\Expr\BinaryOp\Equal':
                return new Expression\BinaryOp\Equal();
            case 'PhpParser\Node\Expr\BinaryOp\NotEqual':
                return new Expression\BinaryOp\NotEqual();
            /**
             * @link http://php.net/manual/en/language.operators.increment.php
             */
            case 'PhpParser\Node\Expr\PostInc':
                return new Expression\Operators\PostInc();
            case 'PhpParser\Node\Expr\PostDec':
                return new Expression\Operators\PostDec();
            /**
             * Arithmetical
             */
            case 'PhpParser\Node\Expr\BinaryOp\Div':
                return new Expression\Operators\Arithmetical\Div();
            case 'PhpParser\Node\Expr\BinaryOp\Plus':
                return new Expression\Operators\Arithmetical\Plus();
            case 'PhpParser\Node\Expr\BinaryOp\Minus':
                return new Expression\Operators\Arithmetical\Minus();
            case 'PhpParser\Node\Expr\BinaryOp\Mul':
                return new Expression\Operators\Arithmetical\Mul();
            case 'PhpParser\Node\Expr\BinaryOp\Mod':
                return new Expression\Operators\Arithmetical\Mod();
            /**
             * Bitwise
             * @link http://php.net/manual/ru/language.operators.bitwise.php
             */
            case 'PhpParser\Node\Expr\BinaryOp\BitwiseOr':
                return new Expression\Operators\Bitwise\BitwiseOr();
            case 'PhpParser\Node\Expr\BinaryOp\BitwiseXor':
                return new Expression\Operators\Bitwise\BitwiseXor();
            case 'PhpParser\Node\Expr\BinaryOp\BitwiseAnd':
                return new Expression\Operators\Bitwise\BitwiseAnd();
            case 'PhpParser\Node\Expr\BinaryOp\ShiftRight':
                return new Expression\Operators\Bitwise\ShiftRight();
            case 'PhpParser\Node\Expr\BinaryOp\ShiftLeft':
                return new Expression\Operators\Bitwise\ShiftLeft();
            case 'PhpParser\Node\Expr\BitwiseNot':
                return new Expression\Operators\Bitwise\BitwiseNot();
            /**
             * Logical
             */
            case 'PhpParser\Node\Expr\BinaryOp\BooleanOr':
                return new Expression\Operators\Logical\BooleanOr();
            case 'PhpParser\Node\Expr\BinaryOp\BooleanAnd':
                return new Expression\Operators\Logical\BooleanAnd();
            case 'PhpParser\Node\Expr\BooleanNot':
                return new Expression\Operators\Logical\BooleanNot();
            /**
             * Comparison
             */
            case 'PhpParser\Node\Expr\BinaryOp\Greater':
                return new Expression\Operators\Comparison\Greater();
            case 'PhpParser\Node\Expr\BinaryOp\GreaterOrEqual':
                return new Expression\Operators\Comparison\GreaterOrEqual();
            case 'PhpParser\Node\Expr\BinaryOp\Smaller':
                return new Expression\Operators\Comparison\Smaller();
            case 'PhpParser\Node\Expr\BinaryOp\SmallerOrEqual':
                return new Expression\Operators\Comparison\SmallerOrEqual();
            /**
             * Another
             */
            case 'PhpParser\Node\Expr\UnaryMinus':
                return new Expression\Operators\UnaryMinus();
            case 'PhpParser\Node\Expr\UnaryPlus':
                return new Expression\Operators\UnaryPlus();
        }

        return false;
    }

    /**
     * @param object|string $expr
     * @return CompiledExpression
     */
    public function compile($expr)

    {
        if (is_string($expr)) {
            return new CompiledExpression(CompiledExpression::STRING, $expr);
        }

        if (is_null($expr)) {
            return new CompiledExpression(CompiledExpression::NULL);
        }

        if (!is_object($expr)) {
            throw new InvalidArgumentException('$expr must be string/object/null');
        }

        $className = get_class($expr);
        switch ($className) {
            case 'PhpParser\Node\Expr\PropertyFetch':
                return $this->passPropertyFetch($expr);
            case 'PhpParser\Node\Stmt\Property':
                return $this->passProperty($expr);
            case 'PhpParser\Node\Expr\ClassConstFetch':
                return $this->passConstFetch($expr);
            case 'PhpParser\Node\Expr\Assign':
                return $this->passSymbol($expr);
            case 'PhpParser\Node\Expr\AssignRef':
                return $this->passSymbolByRef($expr);
            case 'PhpParser\Node\Expr\Variable':
                return $this->passExprVariable($expr);
            /**
             * Cast operators
             */
            case 'PhpParser\Node\Expr\Cast\Bool_':
                return $this->passCastBoolean($expr);
            case 'PhpParser\Node\Expr\Cast\Int_':
                return $this->passCastInt($expr);
            case 'PhpParser\Node\Expr\Cast\Double':
                return $this->passCastFloat($expr);
            case 'PhpParser\Node\Expr\Cast\String_':
                return $this->passCastString($expr);
            case 'PhpParser\Node\Expr\Cast\Unset_':
                return $this->passCastUnset($expr);
            /**
             * Expressions
             */
            case 'PhpParser\Node\Expr\Array_':
                return $this->getArray($expr);
            case 'PhpParser\Node\Expr\ConstFetch':
                return $this->constFetch($expr);
            case 'PhpParser\Node\Name':
                return $this->getNodeName($expr);
            /**
             * Simple Scalar(s)
             */
            case 'PHPSA\Node\Scalar\Nil':
                return new CompiledExpression(CompiledExpression::NULL);
            case 'PhpParser\Node\Scalar\LNumber':
                return new CompiledExpression(CompiledExpression::INTEGER, $expr->value);
            case 'PhpParser\Node\Scalar\DNumber':
                return new CompiledExpression(CompiledExpression::DOUBLE, $expr->value);
            case 'PhpParser\Node\Scalar\String_':
                return new CompiledExpression(CompiledExpression::STRING, $expr->value);
            case 'PHPSA\Node\Scalar\Boolean':
                return new CompiledExpression(CompiledExpression::BOOLEAN, $expr->value);
            case 'PHPSA\Node\Scalar\Fake':
                return new CompiledExpression($expr->type, $expr->value);
        }

        $expressionCompiler = $this->factory($expr);
        if (!$expressionCompiler) {
            $this->context->debug("Expression compiler is not implemented for {$className}");
            return new CompiledExpression(CompiledExpression::UNIMPLEMENTED);
        }

        $result = $expressionCompiler->pass($expr, $this->context);
        if (!$result instanceof CompiledExpression) {
            throw new RuntimeException('Please return CompiledExpression from ' . get_class($expressionCompiler));
        }

        return $result;
    }

    /**
     * @todo Implement
     *
     * @param Node\Stmt\Property $st
     * @return CompiledExpression
     */
    public function passProperty(Node\Stmt\Property $st)

    {
        return new CompiledExpression();
    }

    /**
     * @param Node\Expr\Variable $expr
     * @return CompiledExpression
     */
    public function declareVariable(Node\Expr\Variable $expr)
    {
        $variable = $this->context->getSymbol($expr->name);
        if ($variable) {
            $variable->incGets();
            return new CompiledExpression($variable->getType(), $variable->getValue(), $variable);
        }

        $symbol = new Variable($expr->name, null, CompiledExpression::UNKNOWN, $this->context->getCurrentBranch());
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
        $this->context->addVariable($symbol);

        return new CompiledExpression;
    }

    /**
     * @param Node\Name $expr
     * @return CompiledExpression
     */
    public function getNodeName(Node\Name $expr)
    {
        if ($expr->parts[0] === 'null') {
            return new CompiledExpression(CompiledExpression::NULL);
        }

        if (in_array($expr, ['parent'])) {
            /** @var ClassDefinition $scope */
            $scope = $this->context->scope;
            assert($scope instanceof ClassDefinition);

            if ($scope->getExtendsClass()) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
                $definition = $scope->getExtendsClassDefinition();
                if ($definition) {
                    return new CompiledExpression(CompiledExpression::OBJECT, $definition);
                }
            } else {

            }
        }

        if (in_array($expr, ['self', 'static'])) {
            return CompiledExpression::fromZvalValue($this->context->scope);
        }

        $this->context->debug('[Unknown] How to get Node\Name for ' . $expr);
        return new CompiledExpression();
    }

    /**
     * (bool) {$expr}
     *
     * @param Node\Expr\Cast\Bool_ $expr
     * @return CompiledExpression
     */
    protected function passCastBoolean(Node\Expr\Cast\Bool_ $expr)
    {
        $expression = new Expression($this->context);
        $compiledExpression = $expression->compile($expr->expr);

        switch ($compiledExpression->getType()) {
            case CompiledExpression::BOOLEAN:
                $this->context->notice('stupid-cast', "You are trying to cast 'boolean' to 'boolean'", $expr);
                return $compiledExpression;
            case CompiledExpression::DOUBLE:
            case CompiledExpression::INTEGER:
                return new CompiledExpression(CompiledExpression::BOOLEAN, (bool) $compiledExpression->getValue());
        }

        return new CompiledExpression();
    }

    /**
     * (int) {$expr}
     *
     * @param Node\Expr\Cast\Int_ $expr
     * @return CompiledExpression
     */
    protected function passCastInt(Node\Expr\Cast\Int_ $expr)
    {
        $expression = new Expression($this->context);
        $compiledExpression = $expression->compile($expr->expr);

        switch ($compiledExpression->getType()) {
            case CompiledExpression::INTEGER:
                $this->context->notice('stupid-cast', "You are trying to cast 'int' to 'int'", $expr);
                return $compiledExpression;
            case CompiledExpression::BOOLEAN:
            case CompiledExpression::DOUBLE:
            case CompiledExpression::STRING:
                return new CompiledExpression(CompiledExpression::INTEGER, (int) $compiledExpression->getValue());
        }

        return new CompiledExpression();
    }

    /**
     * (float) {$expr}
     *
     * @param Node\Expr\Cast\Double $expr
     * @return CompiledExpression
     */
    protected function passCastFloat(Node\Expr\Cast\Double $expr)
    {
        $expression = new Expression($this->context);
        $compiledExpression = $expression->compile($expr->expr);

        switch ($compiledExpression->getType()) {
            case CompiledExpression::DOUBLE:
                $this->context->notice('stupid-cast', "You are trying to cast 'float' to 'float'", $expr);
                return $compiledExpression;
            case CompiledExpression::BOOLEAN:
            case CompiledExpression::INTEGER:
            case CompiledExpression::STRING:
                return new CompiledExpression(CompiledExpression::DOUBLE, (float) $compiledExpression->getValue());
        }

        return new CompiledExpression();
    }

    /**
     * (string) {$expr}
     *
     * @param Node\Expr\Cast\String_ $expr
     * @return CompiledExpression
     */
    protected function passCastString(Node\Expr\Cast\String_ $expr)
    {
        $expression = new Expression($this->context);
        $compiledExpression = $expression->compile($expr->expr);

        switch ($compiledExpression->getType()) {
            case CompiledExpression::STRING:
                $this->context->notice('stupid-cast', "You are trying to cast 'string' to 'string'", $expr);
                return $compiledExpression;
            case CompiledExpression::BOOLEAN:
            case CompiledExpression::INTEGER:
            case CompiledExpression::DOUBLE:
                return new CompiledExpression(CompiledExpression::DOUBLE, (string) $compiledExpression->getValue());
        }

        return new CompiledExpression();
    }

    /**
     * (unset) {$expr}
     *
     * @param Node\Expr\Cast\Unset_ $expr
     * @return CompiledExpression
     */
    protected function passCastUnset(Node\Expr\Cast\Unset_ $expr)
    {
        $expression = new Expression($this->context);
        $compiledExpression = $expression->compile($expr->expr);

        switch ($compiledExpression->getType()) {
            case CompiledExpression::NULL:
                $this->context->notice('stupid-cast', "You are trying to cast 'unset' to 'null'", $expr);
                return $compiledExpression;
        }

        return new CompiledExpression(CompiledExpression::NULL, null);
    }

    /**
     * @param Node\Expr\PropertyFetch $expr
     * @return CompiledExpression
     */
    protected function passPropertyFetch(Node\Expr\PropertyFetch $expr)
    {
        $propertNameCE = $this->compile($expr->name);

        $scopeExpression = $this->compile($expr->var);
        if ($scopeExpression->isObject()) {
            $scopeExpressionValue = $scopeExpression->getValue();
            if ($scopeExpressionValue instanceof ClassDefinition) {
                $propertyName = $propertNameCE->isString() ? $propertNameCE->getValue() : false;
                if ($propertyName) {
                    if ($scopeExpressionValue->hasProperty($propertyName, true)) {
                        $property = $scopeExpressionValue->getProperty($propertyName, true);
                        return $this->compile($property);
                    } else {
                        $this->context->notice(
                            'undefined-property',
                            sprintf(
                                'Property %s does not exist in %s scope',
                                $propertyName,
                                $scopeExpressionValue->getName()
                            ),
                            $expr
                        );
                    }
                }
            }
        } elseif (!$scopeExpression->canBeObject()) {
            return new CompiledExpression(CompiledExpression::UNKNOWN);
        }

        $this->context->notice(
            'property-fetch-on-non-object',
            "It's not possible to fetch property on not object",
            $expr,
            Check::CHECK_BETA
        );

        return new CompiledExpression(CompiledExpression::UNKNOWN);
    }

    /**
     * @param Node\Expr\ClassConstFetch $expr
     * @return CompiledExpression
     */
    protected function passConstFetch(Node\Expr\ClassConstFetch $expr)
    {
        $leftCE = $this->compile($expr->class);
        if ($leftCE->isObject()) {
            $leftCEValue = $leftCE->getValue();
            if ($leftCEValue instanceof ClassDefinition) {
                if (!$leftCEValue->hasConst($expr->name)) {
                    $this->context->notice(
                        'undefined-const',
                        sprintf('Constant %s does not exist in %s scope', $expr->name, $expr->class),
                        $expr
                    );
                    return new CompiledExpression(CompiledExpression::UNKNOWN);
                }

                return new CompiledExpression();
            }
        }

        $this->context->debug('Unknown const fetch');
        return new CompiledExpression();
    }

    /**
     * @param Node\Expr\Assign $expr
     * @return CompiledExpression
     */
    protected function passSymbol(Node\Expr\Assign $expr)
    {
        $expression = new Expression($this->context);
        $compiledExpression = $expression->compile($expr->expr);

        if ($expr->var instanceof Node\Expr\List_) {
            $isCorrectType = false;

            switch ($compiledExpression->getType()) {
                case CompiledExpression::ARR:
                    $isCorrectType = true;
                    break;
            }

            if ($expr->var->vars) {

                foreach ($expr->var->vars as $key => $var) {
                    if ($var instanceof Node\Expr\Variable) {
                        $name = $expr->var->name;


                        $symbol = $this->context->getSymbol($name);
                        if (!$symbol) {
                            $symbol = new Variable(
                                $name,
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                                null,
                                CompiledExpression::UNKNOWN,
                                $this->context->getCurrentBranch()
                            );
                            $this->context->addVariable($symbol);
                        }

                        if (!$isCorrectType) {
                            $symbol->modify(CompiledExpression::NULL, null);
                        }

                        $symbol->incSets();
                    }
                }
            }

            return new CompiledExpression();
        }

        if ($expr->var instanceof Node\Expr\Variable) {
            $name = $expr->var->name;

            $symbol = $this->context->getSymbol($name);
            if ($symbol) {
                $symbol->modify($compiledExpression->getType(), $compiledExpression->getValue());
            } else {
                $symbol = new Variable(
                    $name,
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                    $compiledExpression->getValue(),
                    $compiledExpression->getType(),
                    $this->context->getCurrentBranch()
                );
                $this->context->addVariable($symbol);
            }

            $symbol->incSets();
            return $compiledExpression;
        }

        if ($expr->var instanceof Node\Expr\PropertyFetch) {
            $compiledExpression = $this->compile($expr->var->var);
            if ($compiledExpression->getType() == CompiledExpression::OBJECT) {
                $objectDefinition = $compiledExpression->getValue();
                if ($objectDefinition instanceof ClassDefinition) {
                    if (is_string($expr->var->name)) {
                        if ($objectDefinition->hasProperty($expr->var->name)) {
                            return $this->compile($objectDefinition->getProperty($expr->var->name));
                        }
                    }
                }
            }
        }

        $this->context->debug('Unknown how to pass symbol');
        return new CompiledExpression();
    }

    /**
     * @param Node\Expr\AssignRef $expr
     * @return CompiledExpression
     */
    protected function passSymbolByRef(Node\Expr\AssignRef $expr)
    {
        if ($expr->var instanceof \PhpParser\Node\Expr\List_) {
            return new CompiledExpression();
        }

        if ($expr->var instanceof Node\Expr\Variable) {
            $name = $expr->var->name;

            $expression = new Expression($this->context);
            $compiledExpression = $expression->compile($expr->expr);

            $symbol = $this->context->getSymbol($name);
            if ($symbol) {
                $symbol->modify($compiledExpression->getType(), $compiledExpression->getValue());

                if ($expr->expr instanceof Node\Expr\Variable) {
                    $rightVarName = $expr->expr->name;

                    $rightSymbol = $this->context->getSymbol($rightVarName);
                    if ($rightSymbol) {
                        $rightSymbol->incUse();
                        $symbol->setReferencedTo($rightSymbol);
                    } else {
                        $this->context->debug('Cannot fetch variable by name: ' . $rightVarName);
                    }
                }

                $this->context->debug('Unknown how to pass referenced to symbol: ' . get_class($expr->expr));
            } else {
                $symbol = new Variable(
                    $name,
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                    $compiledExpression->getValue(),
                    $compiledExpression->getType(),
                    $this->context->getCurrentBranch()
                );
                $this->context->addVariable($symbol);
            }

            $symbol->incSets();
            return $compiledExpression;
        }

        $this->context->debug('Unknown how to pass symbol by ref');
        return new CompiledExpression();
    }

    /**
     * @param Node\Expr\Variable $expr
     * @return CompiledExpression
     */
    protected function passExprVariable(Node\Expr\Variable $expr)
    {
        $variable = $this->context->getSymbol($expr->name);
        if ($variable) {
            $variable->incGets();
            return new CompiledExpression($variable->getType(), $variable->getValue(), $variable);
        }

        $this->context->notice(
            'undefined-variable',
            sprintf('You trying to use undefined variable $%s', $expr->name),
            $expr
        );

        return new CompiledExpression();
    }

    /**
     * Compile Array_ expression to CompiledExpression
     *
     * @param Node\Expr\Array_ $expr
     * @return CompiledExpression
     */
    protected function getArray(Node\Expr\Array_ $expr)
    {
        if ($expr->items === array()) {
            return new CompiledExpression(CompiledExpression::ARR, array());
        }

        $resultArray = array();

        foreach ($expr->items as $item) {
            $compiledValueResult = $this->compile($item->value);
            if ($item->key) {
                $compiledKeyResult = $this->compile($item->key);
                switch ($compiledKeyResult->getType()) {
                    case CompiledExpression::INTEGER:
                    case CompiledExpression::DOUBLE:
                    case CompiledExpression::BOOLEAN:
                    case CompiledExpression::NULL:
                    case CompiledExpression::STRING:
                        $resultArray[$compiledKeyResult->getValue()] = $compiledValueResult->getValue();
                        break;
                    default:
                        $this->context->debug("Type {$compiledKeyResult->getType()} is not supported for key value");
                        return new CompiledExpression(CompiledExpression::ARR);
                        break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
                }
            } else {
                $resultArray[] = $compiledValueResult->getValue();
            }
        }

        return new CompiledExpression(CompiledExpression::ARR, $resultArray);
    }

    /**
     * Convert const fetch expr to CompiledExpression
     *
     * @param Node\Expr\ConstFetch $expr
     * @return CompiledExpression
     */
    protected function constFetch(Node\Expr\ConstFetch $expr)
    {
        if ($expr->name instanceof Node\Name) {
            if ($expr->name->parts[0] === 'true') {
                return new CompiledExpression(CompiledExpression::BOOLEAN, true);
            }

            if ($expr->name->parts[0] === 'false') {
                return new CompiledExpression(CompiledExpression::BOOLEAN, false);
            }
        }

        /**
         * @todo Implement check
         */

        $expression = new Expression($this->context);
        $compiledExpr = $expression->compile($expr->name);

        return $compiledExpr;
    }
}

1		<?php
2		/**
3		* @author Patsura Dmitry https://github.com/ovr <[email protected]>
4		*/
5
6		namespace PHPSA\Compiler;
7
8		use InvalidArgumentException;
9		use PHPSA\Check;
10		use PHPSA\CompiledExpression;
11		use PHPSA\Context;
12		use PhpParser\Node;
13		use PHPSA\Definition\ClassDefinition;
14		use PHPSA\Exception\RuntimeException;
15		use PHPSA\Variable;
16		use PHPSA\Compiler\Expression\AbstractExpressionCompiler;
17
18		class Expression
		0 ignored issues – show Complexity introduced 2016-01-16 21:09 UTC by Report Bug Copy Issue Report This class has a complexity of 137 which exceeds the configured maximum of 50. 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: Single Reponsibility Principle Open/Closed Principle You can also find more detailed suggestions for refactoring in the “Code” section of your repository. Loading history...
19		{
20		/**
21		* @var Context
22		*/
23		protected $context;
24
25		/**
26		* @param Context $context
27		*/
28	363	public function __construct(Context $context)
29		{
30	363	$this->context = $context;
31	363	}
32
33		/**
34		* @param $expr
35		* @return ExpressionCompilerInterface\|AbstractExpressionCompiler
36		*/
37	353	protected function factory($expr)
38		{
39	353	switch (get_class($expr)) {
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Expression::passPropertyFetch() C

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