| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | namespace Doctrine\Annotations\Parser\Visitor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Doctrine\Annotations\Parser\Ast\Annotation; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Doctrine\Annotations\Parser\Ast\Annotations; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Doctrine\Annotations\Parser\Ast\ClassConstantFetch; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use Doctrine\Annotations\Parser\Ast\Collection\ListCollection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use Doctrine\Annotations\Parser\Ast\Collection\MapCollection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use Doctrine\Annotations\Parser\Ast\ConstantFetch; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use Doctrine\Annotations\Parser\Ast\Node; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use Doctrine\Annotations\Parser\Ast\Pair; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use Doctrine\Annotations\Parser\Ast\Parameter\NamedParameter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use Doctrine\Annotations\Parser\Ast\Parameter\UnnamedParameter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use Doctrine\Annotations\Parser\Ast\Parameters; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use Doctrine\Annotations\Parser\Ast\Reference; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use Doctrine\Annotations\Parser\Ast\Scalar; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use Doctrine\Annotations\Parser\Ast\Scalar\BooleanScalar; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | use Doctrine\Annotations\Parser\Ast\Scalar\FloatScalar; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | use Doctrine\Annotations\Parser\Ast\Scalar\Identifier; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | use Doctrine\Annotations\Parser\Ast\Scalar\IntegerScalar; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | use Doctrine\Annotations\Parser\Ast\Scalar\NullScalar; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | use Doctrine\Annotations\Parser\Ast\Scalar\StringScalar; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | use Doctrine\Annotations\Parser\Nodes; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | use Doctrine\Annotations\Parser\Tokens; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | use Hoa\Compiler\Llk\TreeNode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | use Hoa\Visitor\Element; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | use Hoa\Visitor\Visit; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | use function assert; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | use function ltrim; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | use function sprintf; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | use function str_replace; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | use function strcasecmp; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | final class AstBuilder implements Visit | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * @param mixed $handle | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * @param mixed $eldnah | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 | 29 |  |     public function visit(Element $node, &$handle = null, $eldnah = null) : Node | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 29 |  |         assert($node instanceof TreeNode); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 29 |  |         if ($node->isToken()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 | 16 |  |             return $this->visitToken($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 | 29 |  |         return $this->visitNode($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 29 |  |     private function visitNode(TreeNode $node) : Node | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 | 29 |  |         switch ($node->getId()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |             case Nodes::ANNOTATIONS: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 29 |  |                 return $this->visitAnnotations($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |             case Nodes::ANNOTATION: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 | 28 |  |                 return $this->visitAnnotation($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |             case Nodes::PAIR: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 3 |  |                 return $this->visitPair($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |             case Nodes::PARAMETERS: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 22 |  |                 return $this->visitParameters($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |             case Nodes::NAMED_PARAMETERS: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 | 13 |  |                 return $this->visitNamedParameter($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |             case Nodes::UNNAMED_PARAMETERS: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 | 15 |  |                 return $this->visitUnnamedParameter($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |             case Nodes::VALUE: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 | 22 |  |                 return $this->visitValue($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |             case Nodes::MAP: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 | 3 |  |                 return $this->visitMap($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |             case Nodes::LIST: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 | 6 |  |                 return $this->visitList($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |             case Nodes::STANDALONE_CONSTANT: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |                 return $this->visitStandaloneConstant($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |             case Nodes::CLASS_CONSTANT: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 | 3 |  |                 return $this->visitClassConstant($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |             case Nodes::REFERENCE: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 | 3 |  |                 return $this->visitReference($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |             case Nodes::STRING: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 | 15 |  |                 return $this->visitString($node); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |         assert(false, sprintf('Unsupported node %s.', $node->getId())); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 | 16 |  |     private function visitToken(TreeNode $node) : Scalar | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 | 16 |  |         $value = $node->getValueValue(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 16 |  |         switch ($node->getValueToken()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 | 16 |  |             case Tokens::IDENTIFIER: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 14 |  |                 return new Identifier($value); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 | 10 |  |             case Tokens::NULL: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 | 1 |  |                 return new NullScalar(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 | 10 |  |             case Tokens::BOOLEAN: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 | 4 |  |                 return new BooleanScalar(strcasecmp($value, 'true') === 0); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 | 8 |  |             case Tokens::INTEGER: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 | 8 |  |                 $intValue = (int) $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 | 8 |  |                 assert((string) $intValue === $value, 'Integer overflow'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 | 8 |  |                 return new IntegerScalar($intValue); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 | 3 |  |             case Tokens::FLOAT: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 | 3 |  |                 return new FloatScalar((float) $value); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |         assert(false, sprintf('Unsupported token %s.', $node->getValueToken())); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 | 29 |  |     private function visitAnnotations(TreeNode $node) : Annotations | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 | 29 |  |         return new Annotations( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |             ...(function (TreeNode ...$nodes) : iterable { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 | 29 |  |                 foreach ($nodes as $node) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 | 28 |  |                     yield $node->accept($this); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 | 29 |  |             })(...$node->getChildren()) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 | 28 |  |     private function visitAnnotation(TreeNode $node) : Annotation | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 28 |  |         $identifier = $node->getChild(0)->getValueValue(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 | 28 |  |         return new Annotation( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 28 |  |             new Reference(ltrim($identifier, '\\'), $identifier[0] === '\\'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 | 28 |  |             $node->childExists(1) ? $node->getChild(1)->accept($this) : new Parameters() | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 3 |  |     private function visitPair(TreeNode $node) : Pair | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 3 |  |         return new Pair( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 | 3 |  |             $node->getChild(0)->accept($this), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 | 3 |  |             $node->getChild(1)->accept($this) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 | 22 |  |     private function visitParameters(TreeNode $node) : Parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 | 22 |  |         return new Parameters( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |             ...(function (TreeNode ...$nodes) : iterable { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 | 22 |  |                 foreach ($nodes as $node) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 | 22 |  |                     yield $node->accept($this); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 | 22 |  |             })(...$node->getChildren()) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 150 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 151 | 13 |  |     private function visitNamedParameter(TreeNode $node) : NamedParameter | 
            
                                                                        
                            
            
                                    
            
            
                | 152 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 153 | 13 |  |         return new NamedParameter( | 
            
                                                                        
                            
            
                                    
            
            
                | 154 | 13 |  |             $node->getChild(0)->accept($this), | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                        
                            
            
                                    
            
            
                | 155 | 13 |  |             $node->getChild(1)->accept($this) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 | 15 |  |     private function visitUnnamedParameter(TreeNode $node) : UnnamedParameter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 | 15 |  |         return new UnnamedParameter($node->getChild(0)->accept($this)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 | 22 |  |     private function visitValue(TreeNode $node) : Node | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 | 22 |  |         return $node->getChild(0)->accept($this); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 | 3 |  |     private function visitMap(TreeNode $node) : MapCollection | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 | 3 |  |         return new MapCollection( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |             ...(function (TreeNode ...$nodes) : iterable { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 | 3 |  |                 foreach ($nodes as $node) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 | 3 |  |                     yield $node->accept($this); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 | 3 |  |             })(...$node->getChildren()) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 | 6 |  |     private function visitList(TreeNode $node) : ListCollection | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 | 6 |  |         return new ListCollection( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |             ...(function (TreeNode ...$nodes) : iterable { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 | 6 |  |                 foreach ($nodes as $node) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 | 6 |  |                     yield $node->accept($this); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 | 6 |  |             })(...$node->getChildren()) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |     private function visitStandaloneConstant(TreeNode $node) : ConstantFetch | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |         return new ConstantFetch($node->getChild(0)->accept($this)); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 | 3 |  |     private function visitClassConstant(TreeNode $node) : ClassConstantFetch | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 | 3 |  |         return new ClassConstantFetch( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 | 3 |  |             $node->getChild(0)->accept($this), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 | 3 |  |             $node->getChild(1)->accept($this) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 | 3 |  |     private function visitReference(TreeNode $node) : Reference | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 | 3 |  |         $child = $node->getChild(0); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 | 3 |  |         $value = $child->getValueValue(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 | 3 |  |         if ($child->getValueToken() === Tokens::NAMESPACED_IDENTIFIER && $value[0] === '\\') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 | 1 |  |             return new Reference(ltrim($value, '\\'), true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 | 3 |  |         return new Reference($value, false); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 | 15 |  |     private function visitString(TreeNode $node) : StringScalar | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 | 15 |  |         return new StringScalar(str_replace('\\\\', '\\', $node->getChild(0) ? $node->getChild(0)->getValueValue() : '')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 220 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 221 |  |  |  | 
            
                        
For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: