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parser = $parserFactory->createParser();
$this->printer = new Printer();
parent::__construct($name);
}
/**
* @deprecated throwUp no longer needs to be ContextAware
*
* @param Context $context
*/
public function setContext(Context $context)
{
// Do nothing
}
/**
* {@inheritdoc}
*/
protected function configure()
{
$this
->setName('throw-up')
->setDefinition([
new CodeArgument('exception', CodeArgument::OPTIONAL, 'Exception or Error to throw.'),
])
->setDescription('Throw an exception or error out of the Psy Shell.')
->setHelp(
<<<'HELP'
Throws an exception or error out of the current the Psy Shell instance.
By default it throws the most recent exception.
e.g.
>>> throw-up
>>> throw-up $e
>>> throw-up new Exception('WHEEEEEE!')
>>> throw-up "bye!"
HELP
);
}
/**
* {@inheritdoc}
*
* @throws \InvalidArgumentException if there is no exception to throw
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$args = $this->prepareArgs($input->getArgument('exception'));
$throwStmt = new Throw_(new StaticCall(new FullyQualifiedName(ThrowUpException::class), 'fromThrowable', $args));
$throwCode = $this->printer->prettyPrint([$throwStmt]);
$shell = $this->getApplication();
$shell->addCode($throwCode, !$shell->hasCode());
return 0;
}
/**
* Parse the supplied command argument.
*
* If no argument was given, this falls back to `$_e`
*
* @throws \InvalidArgumentException if there is no exception to throw
*
* @param string $code
*
* @return Arg[]
*/
private function prepareArgs($code = null)
{
if (!$code) {
// Default to last exception if nothing else was supplied
return [new Arg(new Variable('_e'))];
}
if (\strpos($code, 'parse($code);
if (\count($nodes) !== 1) {
throw new \InvalidArgumentException('No idea how to throw this');
}
$node = $nodes[0];
// Make this work for PHP Parser v3.x
$expr = isset($node->expr) ? $node->expr : $node;
$args = [new Arg($expr, false, false, $node->getAttributes())];
// Allow throwing via a string, e.g. `throw-up "SUP"`
if ($expr instanceof String_) {
return [new New_(new FullyQualifiedName(\Exception::class), $args)];
}
return $args;
}
/**
* Lex and parse a string of code into statements.
*
* @param string $code
*
* @return array Statements
*/
private function parse($code)
{
try {
return $this->parser->parse($code);
} catch (\PhpParser\Error $e) {
if (\strpos($e->getMessage(), 'unexpected EOF') === false) {
throw $e;
}
// If we got an unexpected EOF, let's try it again with a semicolon.
return $this->parser->parse($code.';');
}
}
}