parser = $parserFactory->createParser();
$this->traverser = new NodeTraverser();
$this->traverser->addVisitor(new SudoVisitor());
$this->printer = new Printer();
parent::__construct($name);
}
/**
* Set the Shell's Readline service.
*
* @param Readline $readline
*/
public function setReadline(Readline $readline)
{
$this->readline = $readline;
}
/**
* {@inheritdoc}
*/
protected function configure()
{
$this
->setName('sudo')
->setDefinition([
new CodeArgument('code', CodeArgument::REQUIRED, 'Code to execute.'),
])
->setDescription('Evaluate PHP code, bypassing visibility restrictions.')
->setHelp(
<<<'HELP'
Evaluate PHP code, bypassing visibility restrictions.
e.g.
>>> $sekret->whisper("hi")
PHP error: Call to private method Sekret::whisper() from context '' on line 1
>>> sudo $sekret->whisper("hi")
=> "hi"
>>> $sekret->word
PHP error: Cannot access private property Sekret::$word on line 1
>>> sudo $sekret->word
=> "hi"
>>> $sekret->word = "please"
PHP error: Cannot access private property Sekret::$word on line 1
>>> sudo $sekret->word = "please"
=> "please"
HELP
);
}
/**
* {@inheritdoc}
*
* @return int 0 if everything went fine, or an exit code
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$code = $input->getArgument('code');
// special case for !!
if ($code === '!!') {
$history = $this->readline->listHistory();
if (\count($history) < 2) {
throw new \InvalidArgumentException('No previous command to replay');
}
$code = $history[\count($history) - 2];
}
if (\strpos($code, 'traverser->traverse($this->parse($code));
$sudoCode = $this->printer->prettyPrint($nodes);
$shell = $this->getApplication();
$shell->addCode($sudoCode, !$shell->hasCode());
return 0;
}
/**
* Lex and parse a string of code into statements.
*
* @param string $code
*
* @return array Statements
*/
private function parse(string $code): array
{
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.';');
}
}
}