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Directory >> /home/whitjouh/public_html/core/vendor/psy/psysh/src/Command/

File / Folder	Size	Action
.	-
ListCommand	--	ren
TimeitCommand	--	ren
BufferCommand.php	2.432KB	edt ren
ClearCommand.php	1.106KB	edt ren
CodeArgumentParser.php	1.471KB	edt ren
Command.php	7.105KB	edt ren
DocCommand.php	8.944KB	edt ren
DumpCommand.php	2.231KB	edt ren
EditCommand.php	5.727KB	edt ren
ExitCommand.php	1.131KB	edt ren
HelpCommand.php	2.78KB	edt ren
HistoryCommand.php	7.514KB	edt ren
ListCommand.php	9.641KB	edt ren
ParseCommand.php	3.188KB	edt ren
PsyVersionCommand.php	0.936KB	edt ren
ReflectingCommand.php	10.524KB	edt ren
ShowCommand.php	9.478KB	edt ren
SudoCommand.php	3.059KB	edt ren
ThrowUpCommand.php	3.381KB	edt ren
TimeitCommand.php	4.69KB	edt ren
TraceCommand.php	2.638KB	edt ren
WhereamiCommand.php	4.176KB	edt ren
WtfCommand.php	3.767KB	edt ren

<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2023 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Psy\Command;

use PhpParser\NodeTraverser;
use PhpParser\PrettyPrinter\Standard as Printer;
use Psy\Command\TimeitCommand\TimeitVisitor;
use Psy\Input\CodeArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * Class TimeitCommand.
 */
class TimeitCommand extends Command
{
    const RESULT_MSG = '<info>Command took %.6f seconds to complete.</info>';
    const AVG_RESULT_MSG = '<info>Command took %.6f seconds on average (%.6f median; %.6f total) to complete.</info>';

// All times stored as nanoseconds!
    private static $start = null;
    private static $times = [];

private $parser;
    private $traverser;
    private $printer;

/**
     * {@inheritdoc}
     */
    public function __construct($name = null)
    {
        $this->parser = new CodeArgumentParser();

$this->traverser = new NodeTraverser();
        $this->traverser->addVisitor(new TimeitVisitor());

$this->printer = new Printer();

parent::__construct($name);
    }

/**
     * {@inheritdoc}
     */
    protected function configure()
    {
        $this
            ->setName('timeit')
            ->setDefinition([
                new InputOption('num', 'n', InputOption::VALUE_REQUIRED, 'Number of iterations.'),
                new CodeArgument('code', CodeArgument::REQUIRED, 'Code to execute.'),
            ])
            ->setDescription('Profiles with a timer.')
            ->setHelp(
                <<<'HELP'
Time profiling for functions and commands.

e.g.
<return>>>> timeit sleep(1)</return>
<return>>>> timeit -n1000 $closure()</return>
HELP
            );
    }

/**
     * {@inheritdoc}
     *
     * @return int 0 if everything went fine, or an exit code
     */
    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $code = $input->getArgument('code');
        $num = (int) ($input->getOption('num') ?: 1);
        $shell = $this->getApplication();

$instrumentedCode = $this->instrumentCode($code);

self::$times = [];

do {
            $_ = $shell->execute($instrumentedCode);
            $this->ensureEndMarked();
        } while (\count(self::$times) < $num);

$shell->writeReturnValue($_);

$times = self::$times;
        self::$times = [];

if ($num === 1) {
            $output->writeln(\sprintf(self::RESULT_MSG, $times[0] / 1e+9));
        } else {
            $total = \array_sum($times);
            \rsort($times);
            $median = $times[\round($num / 2)];

$output->writeln(\sprintf(self::AVG_RESULT_MSG, ($total / $num) / 1e+9, $median / 1e+9, $total / 1e+9));
        }

return 0;
    }

/**
     * Internal method for marking the start of timeit execution.
     *
     * A static call to this method will be injected at the start of the timeit
     * input code to instrument the call. We will use the saved start time to
     * more accurately calculate time elapsed during execution.
     */
    public static function markStart()
    {
        self::$start = \hrtime(true);
    }

/**
     * Internal method for marking the end of timeit execution.
     *
     * A static call to this method is injected by TimeitVisitor at the end
     * of the timeit input code to instrument the call.
     *
     * Note that this accepts an optional $ret parameter, which is used to pass
     * the return value of the last statement back out of timeit. This saves us
     * a bunch of code rewriting shenanigans.
     *
     * @param mixed $ret
     *
     * @return mixed it just passes $ret right back
     */
    public static function markEnd($ret = null)
    {
        self::$times[] = \hrtime(true) - self::$start;
        self::$start = null;

return $ret;
    }

/**
     * Ensure that the end of code execution was marked.
     *
     * The end *should* be marked in the instrumented code, but just in case
     * we'll add a fallback here.
     */
    private function ensureEndMarked()
    {
        if (self::$start !== null) {
            self::markEnd();
        }
    }

/**
     * Instrument code for timeit execution.
     *
     * This inserts `markStart` and `markEnd` calls to ensure that (reasonably)
     * accurate times are recorded for just the code being executed.
     */
    private function instrumentCode(string $code): string
    {
        return $this->printer->prettyPrint($this->traverser->traverse($this->parser->parse($code)));
    }
}