comparison vendor/psy/psysh/src/Psy/Command/WtfCommand.php @ 0:4c8ae668cc8c

Initial import (non-working)

+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 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 Psy\Context;
+use Psy\ContextAware;
+use Psy\Input\FilterOptions;
+use Psy\Output\ShellOutput;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Show the last uncaught exception.
+ */
+class WtfCommand extends TraceCommand implements ContextAware
+{
+    /**
+     * Context instance (for ContextAware interface).
+     *
+     * @var Context
+     */
+    protected $context;
+
+    /**
+     * ContextAware interface.
+     *
+     * @param Context $context
+     */
+    public function setContext(Context $context)
+    {
+        $this->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.
+<return>>>> wtf ?</return>
+<return>>>> wtf ?!???!?!?</return>
+
+To see the entire backtrace, pass the -a/--all flag:
+
+e.g.
+<return>>>> wtf -v</return>
+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(
+                    '<aside>Use <return>wtf -a</return> to see %d more lines</aside>',
+                    $moreLines
+                ));
+                $output->writeln('');
+            }
+        } while ($exception = $exception->getPrevious());
+        $output->stopPaging();
+    }
+}