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<?php |
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namespace PhpToZephir\Converter; |
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use PhpParser\Node\Stmt; |
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use PhpToZephir\ReservedWordReplacer; |
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use PhpToZephir\NodeFetcher; |
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class ClassInformation |
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{ |
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/** |
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* @var ReservedWordReplacer |
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*/ |
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private $reservedWordReplacer = null; |
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/** |
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* @var NodeFetcher |
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*/ |
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private $nodeFetcher = null; |
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/** |
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* @param ReservedWordReplacer $reservedWordReplacer |
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* @param NodeFetcher $nodeFetcher |
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*/ |
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public function __construct(ReservedWordReplacer $reservedWordReplacer, NodeFetcher $nodeFetcher) |
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{ |
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$this->reservedWordReplacer = $reservedWordReplacer; |
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$this->nodeFetcher = $nodeFetcher; |
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} |
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/** |
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* @param array $nodes |
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* |
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* @return \PhpToZephir\Converter\ClassMetadata |
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*/ |
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public function getClassesMetdata(array $nodes) |
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{ |
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$classMetadata = new ClassMetadata(); |
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$classMetadata = $this->build($nodes, $classMetadata); |
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$namespace = $classMetadata->getNamespace(); |
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if ($namespace === null) { |
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throw new \Exception('Namespace not found'); |
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} |
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return $classMetadata; |
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} |
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/** |
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* @param array $nodes |
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* @param ClassMetadata $classMetadata |
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* |
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* @return ClassMetadata |
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*/ |
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public function build(array $nodes, ClassMetadata $classMetadata) |
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{ |
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$class = null; |
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foreach ($this->nodeFetcher->foreachNodes($nodes) as $nodeData) { |
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$node = $nodeData['node']; |
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if ($node instanceof Stmt\UseUse) { |
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$classMetadata->addUse($node); |
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$classMetadata->addClasses($this->reservedWordReplacer->replace(implode('\\', $node->name->parts))); |
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if ($node->name->getLast() !== $node->alias) { |
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$classMetadata->addClassesAlias( |
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$node->alias, |
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$this->reservedWordReplacer->replace(implode('\\', $node->name->parts)) |
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); |
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} |
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} elseif ($node instanceof Stmt\Namespace_) { |
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$classMetadata->setNamespace(implode('\\', $node->name->parts)); |
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} elseif ($node instanceof Stmt\Interface_ || $node instanceof Stmt\Class_) { |
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if ($class !== null) { |
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throw new \Exception('Multiple class find in '.$fileName); |
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} |
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$class = $this->reservedWordReplacer->replace($node->name); |
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$classMetadata->setClass($class); |
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if ($node instanceof Stmt\Interface_ ) { |
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} elseif ($node instanceof Stmt\Class_ && $node->implements !== null) { |
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$implementsClean = array(); |
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foreach ($node->implements as $implement) { |
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$implementsClean[] = $this->reservedWordReplacer->replace(implode('\\', $implement->parts)); |
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} |
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$classMetadata->setImplements($implementsClean); |
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} |
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} elseif ($node instanceof Stmt\Interface_ || $node instanceof Stmt\Class_) { |
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if ($class !== null) { |
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throw new \Exception('Multiple class find in '.$fileName); |
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} |
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$class = $this->reservedWordReplacer->replace($node->name); |
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$classMetadata->setClass($class); |
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} |
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} |
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return $classMetadata; |
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} |
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} |
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This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line.
To visualize
will produce issues in the first and second line, while this second example
will produce no issues.