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<?php |
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/** |
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* @author Patsura Dmitry https://github.com/ovr <[email protected]> |
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*/ |
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namespace PHPSA\Definition; |
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use PHPSA\Compiler; |
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use PHPSA\Context; |
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use RuntimeException; |
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class FileParser |
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{ |
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/** |
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* @var \PhpParser\Parser |
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*/ |
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protected $parser; |
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/** |
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* @var \PhpParser\NodeTraverser |
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*/ |
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protected $nodeTraverser; |
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/** |
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* @var Compiler |
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*/ |
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protected $compiler; |
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/** |
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* @var \PHPSA\Compiler\DefinitionVisitor |
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*/ |
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protected $definitionVisitor; |
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/** |
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* @param \PhpParser\Parser $parser |
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* @param Compiler $compiler |
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*/ |
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public function __construct(\PhpParser\Parser $parser, Compiler $compiler) |
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{ |
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$this->nodeTraverser = new \PhpParser\NodeTraverser(); |
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$this->nodeTraverser->addVisitor(new \PhpParser\NodeVisitor\NameResolver); |
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$this->nodeTraverser->addVisitor( |
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$this->definitionVisitor = new \PHPSA\Compiler\DefinitionVisitor($compiler) |
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); |
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$this->parser = $parser; |
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$this->compiler = $compiler; |
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} |
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/** |
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* @param string $filepath |
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* @param Context $context |
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* @throws RuntimeException when filepath is not readable |
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*/ |
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public function parserFile($filepath, Context $context) |
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{ |
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$context->setFilepath($filepath); |
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try { |
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if (!is_readable($filepath)) { |
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throw new RuntimeException('File ' . $filepath . ' is not readable'); |
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} |
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$context->debug('<comment>Precompile: ' . $filepath . '.</comment>'); |
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$code = file_get_contents($filepath); |
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$astTree = $this->parser->parse($code); |
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$this->definitionVisitor->setFilePath($filepath); |
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$this->nodeTraverser->traverse($astTree); |
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$context->clear(); |
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} catch (\PhpParser\Error $e) { |
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$context->syntaxError($e, $filepath); |
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} catch (\Exception $e) { |
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$context->output->writeln("<error>{$e->getMessage()}</error>"); |
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} |
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} |
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} |
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ovr /
phpsa
If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue.