My first commit of codes

vendor/psy/psysh/src/Psy/Command/ShowCommand.php

@@ -0,0 +1,63 @@
+<?php
+
+/*
+ * This file is part of Psy Shell
+ *
+ * (c) 2012-2014 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\Exception\RuntimeException;
+use Psy\Formatter\CodeFormatter;
+use Psy\Formatter\SignatureFormatter;
+use Psy\Output\ShellOutput;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Show the code for an object, class, constant, method or property.
+ */
+class ShowCommand extends ReflectingCommand
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this
+            ->setName('show')
+            ->setDefinition(array(
+                new InputArgument('value', InputArgument::REQUIRED, 'Function, class, instance, constant, method or property to show.'),
+            ))
+            ->setDescription('Show the code for an object, class, constant, method or property.')
+            ->setHelp(
+                <<<HELP
+Show the code for an object, class, constant, method or property.
+
+e.g.
+<return>>>> show \$myObject</return>
+<return>>>> show Psy\Shell::debug</return>
+HELP
+            );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        list($value, $reflector) = $this->getTargetAndReflector($input->getArgument('value'));
+
+        try {
+            $output->page(CodeFormatter::format($reflector), ShellOutput::OUTPUT_RAW);
+        } catch (RuntimeException $e) {
+            $output->writeln(SignatureFormatter::format($reflector));
+            throw $e;
+        }
+    }
+}