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<?php |
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declare(strict_types=1); |
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namespace gossi\codegen\parser; |
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use gossi\codegen\parser\visitor\ParserVisitorInterface; |
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use phootwork\collection\Set; |
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use phootwork\file\exception\FileNotFoundException; |
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use phootwork\file\File; |
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use PhpParser\Node; |
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use PhpParser\NodeTraverser; |
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use PhpParser\NodeVisitorAbstract; |
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use PhpParser\Parser; |
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class FileParser extends NodeVisitorAbstract { |
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private $visitors; |
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private $filename; |
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public function __construct($filename) { |
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$this->filename = $filename; |
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$this->visitors = new Set(); |
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} |
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public function addVisitor(ParserVisitorInterface $visitor) { |
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$this->visitors->add($visitor); |
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return $this; |
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} |
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public function removeVisitor(ParserVisitorInterface $visitor) { |
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$this->visitors->remove($visitor); |
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return $this; |
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} |
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public function hasVisitor(ParserVisitorInterface $visitor): bool { |
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return $this->visitors->contains($visitor); |
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} |
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/** |
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* @throws FileNotFoundException |
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*/ |
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public function parse() { |
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$file = new File($this->filename); |
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if (!$file->exists()) { |
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throw new FileNotFoundException(sprintf('File (%s) does not exist.', $this->filename)); |
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} |
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$parser = $this->getParser(); |
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$traverser = new NodeTraverser(); |
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$traverser->addVisitor($this); |
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$traverser->traverse($parser->parse($file->read())); |
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} |
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private function getParser(): Parser { |
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$factory = new \PhpParser\ParserFactory(); |
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return $factory->create(\PhpParser\ParserFactory::PREFER_PHP7); |
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} |
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public function enterNode(Node $node) { |
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foreach ($this->visitors as $visitor) { |
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switch ($node->getType()) { |
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case 'Stmt_Namespace': |
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$visitor->visitNamespace($node); |
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break; |
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case 'Stmt_UseUse': |
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$visitor->visitUseStatement($node); |
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1 |
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break; |
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case 'Stmt_Class': |
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$visitor->visitStruct($node); |
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$visitor->visitClass($node); |
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break; |
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case 'Stmt_Interface': |
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$visitor->visitStruct($node); |
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2 |
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$visitor->visitInterface($node); |
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2 |
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break; |
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case 'Stmt_Trait': |
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$visitor->visitStruct($node); |
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$visitor->visitTrait($node); |
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break; |
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case 'Stmt_TraitUse': |
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$visitor->visitTraitUse($node); |
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break; |
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case 'Stmt_ClassConst': |
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$visitor->visitConstants($node); |
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3 |
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break; |
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case 'Stmt_Property': |
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$visitor->visitProperty($node); |
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break; |
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case 'Stmt_ClassMethod': |
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$visitor->visitMethod($node); |
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break; |
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} |
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} |
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15 |
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} |
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} |
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gossi /
php-code-generator
This check looks at variables that are passed out again to other methods.
If the outgoing method call has stricter type requirements than the method itself, an issue is raised.
An additional type check may prevent trouble.