/**
* @param Node\Scalar $scalar
* @return CompiledExpression
*/
public function compile(Node\Scalar $scalar)
{
try {
$this->eventManager->fire(Event\ScalarBeforeCompile::EVENT_NAME, new Event\ScalarBeforeCompile($scalar, $this->context));
return $this->factory($scalar);
} catch (\Exception $e) {
$this->context->debug('ScalarCompiler is not implemented for ' . get_class($scalar));
}
}
/**
* @return \PHPSA\Context
*/
protected function getContext()
{
/** @var \PHPSA\Context $context */
$context = $this->getMock('\\PHPSA\\Context', array('notice'), array(new ConsoleOutput(), new Application(), EventManager::getInstance()));
$context->setScope(new ClassDefinition('MathTest', null, 0));
return $context;
}
/**
* {@inheritdoc}
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$output->writeln('');
if (extension_loaded('xdebug')) {
/**
* This will disable only showing stack traces on error conditions.
*/
if (function_exists('xdebug_disable')) {
xdebug_disable();
}
$output->writeln('<error>It is highly recommended to disable the XDebug extension before invoking this command.</error>');
}
$parser = (new ParserFactory())->create(ParserFactory::PREFER_PHP7, new \PhpParser\Lexer\Emulative(['usedAttributes' => ['comments', 'startLine', 'endLine', 'startTokenPos', 'endTokenPos']]));
/** @var Application $application */
$application = $this->getApplication();
$application->compiler = new Compiler();
$em = EventManager::getInstance();
$context = new Context($output, $application, $em);
$fileParser = new FileParser($parser, $this->getCompiler());
$path = $input->getArgument('path');
if (is_dir($path)) {
$directoryIterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS));
$output->writeln('Scanning directory <info>' . $path . '</info>');
$count = 0;
/** @var SplFileInfo $file */
foreach ($directoryIterator as $file) {
if ($file->getExtension() !== 'php') {
continue;
}
$context->debug($file->getPathname());
$count++;
}
$output->writeln("Found <info>{$count} files</info>");
if ($count > 100) {
$output->writeln('<comment>Caution: You are trying to scan a lot of files; this might be slow. For bigger libraries, consider setting up a dedicated platform or using ci.lowl.io.</comment>');
}
$output->writeln('');
/** @var SplFileInfo $file */
foreach ($directoryIterator as $file) {
if ($file->getExtension() !== 'php') {
continue;
}
$fileParser->parserFile($file->getPathname(), $context);
}
} elseif (is_file($path)) {
$fileParser->parserFile($path, $context);
}
/**
* Step 2 Recursive check ...
*/
$application->compiler->compile($context);
}
/**
* @param object|string $expr
* @throws InvalidArgumentException when $expr is not string/object/null
* @throws RuntimeException when compiler class does not return a CompiledExpression
* @return CompiledExpression
*/
public function compile($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');
}
if ($expr instanceof Node\Scalar) {
$scalar = new \PHPSA\Compiler\Scalar($this->context, $this->eventManager);
return $scalar->compile($expr);
}
$this->eventManager->fire(ExpressionBeforeCompile::EVENT_NAME, new ExpressionBeforeCompile($expr, $this->context));
$className = get_class($expr);
switch ($className) {
case Node\Arg::class:
/**
* @todo Better compile
*/
return $this->compile($expr->value);
/**
* Names
*/
/**
* Names
*/
case Node\Name::class:
return $this->getNodeName($expr);
case Node\Name\FullyQualified::class:
return $this->getFullyQualifiedNodeName($expr);
}
$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;
}
public function testEvenManager()
{
// Create event listener
$callback = function (Event $event) {
return $event->parameter * 10;
};
$secondCallback = function (Event $event) {
return $event->parameter * 20;
};
// This listener should be executed last
EventManager::getInstance()->listen('test.event')->handler($callback)->priority(200);
// This listener should be executed first
EventManager::getInstance()->listen('test.event')->handler($secondCallback)->priority(400);
$results = EventManager::getInstance()->fire('test.event', ['parameter' => 2]);
// Event results are returned in form of an array
$this->assertEquals(40, $results[0]);
$this->assertEquals(20, $results[1]);
}
/**
* @param string $analyzerName
* @return EventManager
* @throws \Webiny\Component\EventManager\EventManagerException
*/
protected function getEventManager($analyzerName)
{
if (!class_exists($analyzerName, true)) {
throw new \InvalidArgumentException("Analyzer with name: {$analyzerName} doesnot exist");
}
/** @var \PHPSA\Analyzer\Pass\Metadata $metaData */
$metaData = $analyzerName::getMetadata();
if (!$metaData->allowsPhpVersion(PHP_VERSION)) {
parent::markTestSkipped(sprintf('We cannot tests %s with %s because PHP required version is %s', $analyzerName, PHP_VERSION, $metaData->getRequiredPhpVersion()));
}
$analyzerConfiguration = $metaData->getConfiguration();
$analyzerConfiguration->attribute('enabled', true);
$config = [$analyzerName::getMetadata()->getConfiguration()];
$em = EventManager::getInstance();
$configuration = new Configuration([], $config);
\PHPSA\Analyzer\Factory::factory($em, $configuration);
return $em;
}
/**
* binds the listeners
*/
public function bind()
{
$this->eventManager->listen(Compiler\Event\ExpressionBeforeCompile::EVENT_NAME)->handler(new ExpressionListener($this->bindOnExpressions))->method('beforeCompile');
$this->eventManager->listen(Compiler\Event\StatementBeforeCompile::EVENT_NAME)->handler(new StatementListener($this->bindOnStatements))->method('beforeCompile');
$this->eventManager->listen(Compiler\Event\ScalarBeforeCompile::EVENT_NAME)->handler(new ScalarListener($this->bindOnScalars))->method('beforeCompile');
}
