context = $context;
}
/**
* {@inheritdoc}
*/
protected function configure()
{
list($grep, $insensitive, $invert) = FilterOptions::getOptions();
$this
->setName('wtf')
->setAliases(array('last-exception', 'wtf?'))
->setDefinition(array(
new InputArgument('incredulity', InputArgument::OPTIONAL | InputArgument::IS_ARRAY, 'Number of lines to show'),
new InputOption('all', 'a', InputOption::VALUE_NONE, 'Show entire backtrace.'),
$grep,
$insensitive,
$invert,
))
->setDescription('Show the backtrace of the most recent exception.')
->setHelp(
<<<'HELP'
Shows a few lines of the backtrace of the most recent exception.
If you want to see more lines, add more question marks or exclamation marks:
e.g.
>>> wtf ?>>> wtf ?!???!?!?
To see the entire backtrace, pass the -a/--all flag:
e.g.
>>> wtf -v
HELP
);
}
/**
* {@inheritdoc}
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$this->filter->bind($input);
$incredulity = implode('', $input->getArgument('incredulity'));
if (strlen(preg_replace('/[\\?!]/', '', $incredulity))) {
throw new \InvalidArgumentException('Incredulity must include only "?" and "!".');
}
$exception = $this->context->getLastException();
$count = $input->getOption('all') ? PHP_INT_MAX : max(3, pow(2, strlen($incredulity) + 1));
$shell = $this->getApplication();
$output->startPaging();
do {
$traceCount = count($exception->getTrace());
$showLines = $count;
// Show the whole trace if we'd only be hiding a few lines
if ($traceCount < max($count * 1.2, $count + 2)) {
$showLines = PHP_INT_MAX;
}
$trace = $this->getBacktrace($exception, $showLines);
$moreLines = $traceCount - count($trace);
$output->writeln($shell->formatException($exception));
$output->writeln('--');
$output->write($trace, true, ShellOutput::NUMBER_LINES);
$output->writeln('');
if ($moreLines > 0) {
$output->writeln(sprintf(
'',
$moreLines
));
$output->writeln('');
}
} while ($exception = $exception->getPrevious());
$output->stopPaging();
}
}