context = $context;
}
/**
* {@inheritdoc}
*/
protected function configure(): void
{
list($grep, $insensitive, $invert) = FilterOptions::getOptions();
$this
->setName('wtf')
->setAliases(['last-exception', 'wtf?'])
->setDefinition([
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 -a
HELP
);
}
/**
* {@inheritdoc}
*
* @return int 0 if everything went fine, or an exit code
*/
protected function execute(InputInterface $input, OutputInterface $output): int
{
$this->filter->bind($input);
$shellOutput = $this->shellOutput($output);
$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->getShell();
$shellOutput->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);
$shell->writeExceptionHeader($output, $exception);
$shell->writeSeparator($output);
$shellOutput->write($trace, true, ShellOutputAdapter::NUMBER_LINES);
if ($moreLines > 0) {
$shell->writeSpacer($output);
$output->writeln(\sprintf(
'',
$moreLines
));
}
$previous = $exception->getPrevious();
if ($previous !== null) {
$shell->writeSpacer($output);
}
} while ($exception = $previous);
$shellOutput->stopPaging();
return 0;
}
}