home/alospiesjs/www/apis/youtube/vendor/psy/psysh/src/Shell.php000060400000130675151160467660020775 0ustar00run(); * * @author Justin Hileman */ class Shell extends Application { const VERSION = 'v0.11.4'; const PROMPT = '>>> '; const BUFF_PROMPT = '... '; const REPLAY = '--> '; const RETVAL = '=> '; private $config; private $cleaner; private $output; private $originalVerbosity; private $readline; private $inputBuffer; private $code; private $codeBuffer; private $codeBufferOpen; private $codeStack; private $stdoutBuffer; private $context; private $includes; private $outputWantsNewline = false; private $loopListeners; private $autoCompleter; private $matchers = []; private $commandsMatcher; private $lastExecSuccess = true; private $nonInteractive = false; private $errorReporting; /** * Create a new Psy Shell. * * @param Configuration|null $config (default: null) */ public function __construct(Configuration $config = null) { $this->config = $config ?: new Configuration(); $this->cleaner = $this->config->getCodeCleaner(); $this->context = new Context(); $this->includes = []; $this->readline = $this->config->getReadline(); $this->inputBuffer = []; $this->codeStack = []; $this->stdoutBuffer = ''; $this->loopListeners = $this->getDefaultLoopListeners(); parent::__construct('Psy Shell', self::VERSION); $this->config->setShell($this); // Register the current shell session's config with \Psy\info \Psy\info($this->config); } /** * Check whether the first thing in a backtrace is an include call. * * This is used by the psysh bin to decide whether to start a shell on boot, * or to simply autoload the library. */ public static function isIncluded(array $trace): bool { $isIncluded = isset($trace[0]['function']) && \in_array($trace[0]['function'], ['require', 'include', 'require_once', 'include_once']); // Detect Composer PHP bin proxies. if ($isIncluded && \array_key_exists('_composer_autoload_path', $GLOBALS) && \preg_match('{[\\\\/]psysh$}', $trace[0]['file'])) { // If we're in a bin proxy, we'll *always* see one include, but we // care if we see a second immediately after that. return isset($trace[1]['function']) && \in_array($trace[1]['function'], ['require', 'include', 'require_once', 'include_once']); } return $isIncluded; } /** * Invoke a Psy Shell from the current context. * * @see Psy\debug * @deprecated will be removed in 1.0. Use \Psy\debug instead * * @param array $vars Scope variables from the calling context (default: []) * @param object|string $bindTo Bound object ($this) or class (self) value for the shell * * @return array Scope variables from the debugger session */ public static function debug(array $vars = [], $bindTo = null): array { return \Psy\debug($vars, $bindTo); } /** * Adds a command object. * * {@inheritdoc} * * @param BaseCommand $command A Symfony Console Command object * * @return BaseCommand The registered command */ public function add(BaseCommand $command): BaseCommand { if ($ret = parent::add($command)) { if ($ret instanceof ContextAware) { $ret->setContext($this->context); } if ($ret instanceof PresenterAware) { $ret->setPresenter($this->config->getPresenter()); } if (isset($this->commandsMatcher)) { $this->commandsMatcher->setCommands($this->all()); } } return $ret; } /** * Gets the default input definition. * * @return InputDefinition An InputDefinition instance */ protected function getDefaultInputDefinition(): InputDefinition { return new InputDefinition([ new InputArgument('command', InputArgument::REQUIRED, 'The command to execute'), new InputOption('--help', '-h', InputOption::VALUE_NONE, 'Display this help message.'), ]); } /** * Gets the default commands that should always be available. * * @return array An array of default Command instances */ protected function getDefaultCommands(): array { $sudo = new Command\SudoCommand(); $sudo->setReadline($this->readline); $hist = new Command\HistoryCommand(); $hist->setReadline($this->readline); return [ new Command\HelpCommand(), new Command\ListCommand(), new Command\DumpCommand(), new Command\DocCommand(), new Command\ShowCommand(), new Command\WtfCommand(), new Command\WhereamiCommand(), new Command\ThrowUpCommand(), new Command\TimeitCommand(), new Command\TraceCommand(), new Command\BufferCommand(), new Command\ClearCommand(), new Command\EditCommand($this->config->getRuntimeDir()), // new Command\PsyVersionCommand(), $sudo, $hist, new Command\ExitCommand(), ]; } /** * @return array */ protected function getDefaultMatchers(): array { // Store the Commands Matcher for later. If more commands are added, // we'll update the Commands Matcher too. $this->commandsMatcher = new Matcher\CommandsMatcher($this->all()); return [ $this->commandsMatcher, new Matcher\KeywordsMatcher(), new Matcher\VariablesMatcher(), new Matcher\ConstantsMatcher(), new Matcher\FunctionsMatcher(), new Matcher\ClassNamesMatcher(), new Matcher\ClassMethodsMatcher(), new Matcher\ClassAttributesMatcher(), new Matcher\ObjectMethodsMatcher(), new Matcher\ObjectAttributesMatcher(), new Matcher\ClassMethodDefaultParametersMatcher(), new Matcher\ObjectMethodDefaultParametersMatcher(), new Matcher\FunctionDefaultParametersMatcher(), ]; } /** * @deprecated Nothing should use this anymore */ protected function getTabCompletionMatchers() { @\trigger_error('getTabCompletionMatchers is no longer used', \E_USER_DEPRECATED); } /** * Gets the default command loop listeners. * * @return array An array of Execution Loop Listener instances */ protected function getDefaultLoopListeners(): array { $listeners = []; if (ProcessForker::isSupported() && $this->config->usePcntl()) { $listeners[] = new ProcessForker(); } if (RunkitReloader::isSupported()) { $listeners[] = new RunkitReloader(); } return $listeners; } /** * Add tab completion matchers. * * @param array $matchers */ public function addMatchers(array $matchers) { $this->matchers = \array_merge($this->matchers, $matchers); if (isset($this->autoCompleter)) { $this->addMatchersToAutoCompleter($matchers); } } /** * @deprecated Call `addMatchers` instead * * @param array $matchers */ public function addTabCompletionMatchers(array $matchers) { $this->addMatchers($matchers); } /** * Set the Shell output. * * @param OutputInterface $output */ public function setOutput(OutputInterface $output) { $this->output = $output; $this->originalVerbosity = $output->getVerbosity(); } /** * Runs PsySH. * * @param InputInterface|null $input An Input instance * @param OutputInterface|null $output An Output instance * * @return int 0 if everything went fine, or an error code */ public function run(InputInterface $input = null, OutputInterface $output = null): int { // We'll just ignore the input passed in, and set up our own! $input = new ArrayInput([]); if ($output === null) { $output = $this->config->getOutput(); } $this->setAutoExit(false); $this->setCatchExceptions(false); try { return parent::run($input, $output); } catch (\Exception $e) { $this->writeException($e); } return 1; } /** * Runs PsySH. * * @throws \Exception if thrown via the `throw-up` command * * @param InputInterface $input An Input instance * @param OutputInterface $output An Output instance * * @return int 0 if everything went fine, or an error code */ public function doRun(InputInterface $input, OutputInterface $output): int { $this->setOutput($output); $this->resetCodeBuffer(); if ($input->isInteractive()) { // @todo should it be possible to have raw output in an interactive run? return $this->doInteractiveRun(); } else { return $this->doNonInteractiveRun($this->config->rawOutput()); } } /** * Run PsySH in interactive mode. * * Initializes tab completion and readline history, then spins up the * execution loop. * * @throws \Exception if thrown via the `throw-up` command * * @return int 0 if everything went fine, or an error code */ private function doInteractiveRun(): int { $this->initializeTabCompletion(); $this->readline->readHistory(); $this->output->writeln($this->getHeader()); $this->writeVersionInfo(); $this->writeStartupMessage(); try { $this->beforeRun(); $this->loadIncludes(); $loop = new ExecutionLoopClosure($this); $loop->execute(); $this->afterRun(); } catch (ThrowUpException $e) { throw $e->getPrevious(); } catch (BreakException $e) { // The ProcessForker throws a BreakException to finish the main thread. } return 0; } /** * Run PsySH in non-interactive mode. * * Note that this isn't very useful unless you supply "include" arguments at * the command line, or code via stdin. * * @param bool $rawOutput * * @return int 0 if everything went fine, or an error code */ private function doNonInteractiveRun(bool $rawOutput): int { $this->nonInteractive = true; // If raw output is enabled (or output is piped) we don't want startup messages. if (!$rawOutput && !$this->config->outputIsPiped()) { $this->output->writeln($this->getHeader()); $this->writeVersionInfo(); $this->writeStartupMessage(); } $this->beforeRun(); $this->loadIncludes(); // For non-interactive execution, read only from the input buffer or from piped input. // Otherwise it'll try to readline and hang, waiting for user input with no indication of // what's holding things up. if (!empty($this->inputBuffer) || $this->config->inputIsPiped()) { $this->getInput(false); } if ($this->hasCode()) { $ret = $this->execute($this->flushCode()); $this->writeReturnValue($ret, $rawOutput); } $this->afterRun(); $this->nonInteractive = false; return 0; } /** * Configures the input and output instances based on the user arguments and options. */ protected function configureIO(InputInterface $input, OutputInterface $output) { // @todo overrides via environment variables (or should these happen in config? ... probably config) $input->setInteractive($this->config->getInputInteractive()); if ($this->config->getOutputDecorated() !== null) { $output->setDecorated($this->config->getOutputDecorated()); } $output->setVerbosity($this->config->getOutputVerbosity()); } /** * Load user-defined includes. */ private function loadIncludes() { // Load user-defined includes $load = function (self $__psysh__) { \set_error_handler([$__psysh__, 'handleError']); foreach ($__psysh__->getIncludes() as $__psysh_include__) { try { include_once $__psysh_include__; } catch (\Error $_e) { $__psysh__->writeException(ErrorException::fromError($_e)); } catch (\Exception $_e) { $__psysh__->writeException($_e); } } \restore_error_handler(); unset($__psysh_include__); // Override any new local variables with pre-defined scope variables \extract($__psysh__->getScopeVariables(false)); // ... then add the whole mess of variables back. $__psysh__->setScopeVariables(\get_defined_vars()); }; $load($this); } /** * Read user input. * * This will continue fetching user input until the code buffer contains * valid code. * * @throws BreakException if user hits Ctrl+D * * @param bool $interactive */ public function getInput(bool $interactive = true) { $this->codeBufferOpen = false; do { // reset output verbosity (in case it was altered by a subcommand) $this->output->setVerbosity($this->originalVerbosity); $input = $this->readline(); /* * Handle Ctrl+D. It behaves differently in different cases: * * 1) In an expression, like a function or "if" block, clear the input buffer * 2) At top-level session, behave like the exit command * 3) When non-interactive, return, because that's the end of stdin */ if ($input === false) { if (!$interactive) { return; } $this->output->writeln(''); if ($this->hasCode()) { $this->resetCodeBuffer(); } else { throw new BreakException('Ctrl+D'); } } // handle empty input if (\trim($input) === '' && !$this->codeBufferOpen) { continue; } $input = $this->onInput($input); // If the input isn't in an open string or comment, check for commands to run. if ($this->hasCommand($input) && !$this->inputInOpenStringOrComment($input)) { $this->addHistory($input); $this->runCommand($input); continue; } $this->addCode($input); } while (!$interactive || !$this->hasValidCode()); } /** * Check whether the code buffer (plus current input) is in an open string or comment. * * @param string $input current line of input * * @return bool true if the input is in an open string or comment */ private function inputInOpenStringOrComment(string $input): bool { if (!$this->hasCode()) { return false; } $code = $this->codeBuffer; $code[] = $input; $tokens = @\token_get_all('loopListeners as $listener) { $listener->beforeRun($this); } } /** * Run execution loop listeners at the start of each loop. */ public function beforeLoop() { foreach ($this->loopListeners as $listener) { $listener->beforeLoop($this); } } /** * Run execution loop listeners on user input. * * @param string $input * * @return string */ public function onInput(string $input): string { foreach ($this->loopListeners as $listeners) { if (($return = $listeners->onInput($this, $input)) !== null) { $input = $return; } } return $input; } /** * Run execution loop listeners on code to be executed. * * @param string $code * * @return string */ public function onExecute(string $code): string { $this->errorReporting = \error_reporting(); foreach ($this->loopListeners as $listener) { if (($return = $listener->onExecute($this, $code)) !== null) { $code = $return; } } $output = $this->output; if ($output instanceof ConsoleOutput) { $output = $output->getErrorOutput(); } $output->writeln(\sprintf('', OutputFormatter::escape($code)), ConsoleOutput::VERBOSITY_DEBUG); return $code; } /** * Run execution loop listeners after each loop. */ public function afterLoop() { foreach ($this->loopListeners as $listener) { $listener->afterLoop($this); } } /** * Run execution loop listers after the shell session. */ protected function afterRun() { foreach ($this->loopListeners as $listener) { $listener->afterRun($this); } } /** * Set the variables currently in scope. * * @param array $vars */ public function setScopeVariables(array $vars) { $this->context->setAll($vars); } /** * Return the set of variables currently in scope. * * @param bool $includeBoundObject Pass false to exclude 'this'. If you're * passing the scope variables to `extract` * in PHP 7.1+, you _must_ exclude 'this' * * @return array Associative array of scope variables */ public function getScopeVariables(bool $includeBoundObject = true): array { $vars = $this->context->getAll(); if (!$includeBoundObject) { unset($vars['this']); } return $vars; } /** * Return the set of magic variables currently in scope. * * @param bool $includeBoundObject Pass false to exclude 'this'. If you're * passing the scope variables to `extract` * in PHP 7.1+, you _must_ exclude 'this' * * @return array Associative array of magic scope variables */ public function getSpecialScopeVariables(bool $includeBoundObject = true): array { $vars = $this->context->getSpecialVariables(); if (!$includeBoundObject) { unset($vars['this']); } return $vars; } /** * Return the set of variables currently in scope which differ from the * values passed as $currentVars. * * This is used inside the Execution Loop Closure to pick up scope variable * changes made by commands while the loop is running. * * @param array $currentVars * * @return array Associative array of scope variables which differ from $currentVars */ public function getScopeVariablesDiff(array $currentVars): array { $newVars = []; foreach ($this->getScopeVariables(false) as $key => $value) { if (!\array_key_exists($key, $currentVars) || $currentVars[$key] !== $value) { $newVars[$key] = $value; } } return $newVars; } /** * Get the set of unused command-scope variable names. * * @return array Array of unused variable names */ public function getUnusedCommandScopeVariableNames(): array { return $this->context->getUnusedCommandScopeVariableNames(); } /** * Get the set of variable names currently in scope. * * @return array Array of variable names */ public function getScopeVariableNames(): array { return \array_keys($this->context->getAll()); } /** * Get a scope variable value by name. * * @param string $name * * @return mixed */ public function getScopeVariable(string $name) { return $this->context->get($name); } /** * Set the bound object ($this variable) for the interactive shell. * * @param object|null $boundObject */ public function setBoundObject($boundObject) { $this->context->setBoundObject($boundObject); } /** * Get the bound object ($this variable) for the interactive shell. * * @return object|null */ public function getBoundObject() { return $this->context->getBoundObject(); } /** * Set the bound class (self) for the interactive shell. * * @param string|null $boundClass */ public function setBoundClass($boundClass) { $this->context->setBoundClass($boundClass); } /** * Get the bound class (self) for the interactive shell. * * @return string|null */ public function getBoundClass() { return $this->context->getBoundClass(); } /** * Add includes, to be parsed and executed before running the interactive shell. * * @param array $includes */ public function setIncludes(array $includes = []) { $this->includes = $includes; } /** * Get PHP files to be parsed and executed before running the interactive shell. * * @return array */ public function getIncludes(): array { return \array_merge($this->config->getDefaultIncludes(), $this->includes); } /** * Check whether this shell's code buffer contains code. * * @return bool True if the code buffer contains code */ public function hasCode(): bool { return !empty($this->codeBuffer); } /** * Check whether the code in this shell's code buffer is valid. * * If the code is valid, the code buffer should be flushed and evaluated. * * @return bool True if the code buffer content is valid */ protected function hasValidCode(): bool { return !$this->codeBufferOpen && $this->code !== false; } /** * Add code to the code buffer. * * @param string $code * @param bool $silent */ public function addCode(string $code, bool $silent = false) { try { // Code lines ending in \ keep the buffer open if (\substr(\rtrim($code), -1) === '\\') { $this->codeBufferOpen = true; $code = \substr(\rtrim($code), 0, -1); } else { $this->codeBufferOpen = false; } $this->codeBuffer[] = $silent ? new SilentInput($code) : $code; $this->code = $this->cleaner->clean($this->codeBuffer, $this->config->requireSemicolons()); } catch (\Throwable $e) { // Add failed code blocks to the readline history. $this->addCodeBufferToHistory(); throw $e; } } /** * Set the code buffer. * * This is mostly used by `Shell::execute`. Any existing code in the input * buffer is pushed onto a stack and will come back after this new code is * executed. * * @throws \InvalidArgumentException if $code isn't a complete statement * * @param string $code * @param bool $silent */ private function setCode(string $code, bool $silent = false) { if ($this->hasCode()) { $this->codeStack[] = [$this->codeBuffer, $this->codeBufferOpen, $this->code]; } $this->resetCodeBuffer(); try { $this->addCode($code, $silent); } catch (\Throwable $e) { $this->popCodeStack(); throw $e; } if (!$this->hasValidCode()) { $this->popCodeStack(); throw new \InvalidArgumentException('Unexpected end of input'); } } /** * Get the current code buffer. * * This is useful for commands which manipulate the buffer. * * @return array */ public function getCodeBuffer(): array { return $this->codeBuffer; } /** * Run a Psy Shell command given the user input. * * @throws \InvalidArgumentException if the input is not a valid command * * @param string $input User input string * * @return mixed Who knows? */ protected function runCommand(string $input) { $command = $this->getCommand($input); if (empty($command)) { throw new \InvalidArgumentException('Command not found: '.$input); } $input = new ShellInput(\str_replace('\\', '\\\\', \rtrim($input, " \t\n\r\0\x0B;"))); if ($input->hasParameterOption(['--help', '-h'])) { $helpCommand = $this->get('help'); $helpCommand->setCommand($command); return $helpCommand->run(new StringInput(''), $this->output); } return $command->run($input, $this->output); } /** * Reset the current code buffer. * * This should be run after evaluating user input, catching exceptions, or * on demand by commands such as BufferCommand. */ public function resetCodeBuffer() { $this->codeBuffer = []; $this->code = false; } /** * Inject input into the input buffer. * * This is useful for commands which want to replay history. * * @param string|array $input * @param bool $silent */ public function addInput($input, bool $silent = false) { foreach ((array) $input as $line) { $this->inputBuffer[] = $silent ? new SilentInput($line) : $line; } } /** * Flush the current (valid) code buffer. * * If the code buffer is valid, resets the code buffer and returns the * current code. * * @return string|null PHP code buffer contents */ public function flushCode() { if ($this->hasValidCode()) { $this->addCodeBufferToHistory(); $code = $this->code; $this->popCodeStack(); return $code; } } /** * Reset the code buffer and restore any code pushed during `execute` calls. */ private function popCodeStack() { $this->resetCodeBuffer(); if (empty($this->codeStack)) { return; } list($codeBuffer, $codeBufferOpen, $code) = \array_pop($this->codeStack); $this->codeBuffer = $codeBuffer; $this->codeBufferOpen = $codeBufferOpen; $this->code = $code; } /** * (Possibly) add a line to the readline history. * * Like Bash, if the line starts with a space character, it will be omitted * from history. Note that an entire block multi-line code input will be * omitted iff the first line begins with a space. * * Additionally, if a line is "silent", i.e. it was initially added with the * silent flag, it will also be omitted. * * @param string|SilentInput $line */ private function addHistory($line) { if ($line instanceof SilentInput) { return; } // Skip empty lines and lines starting with a space if (\trim($line) !== '' && \substr($line, 0, 1) !== ' ') { $this->readline->addHistory($line); } } /** * Filter silent input from code buffer, write the rest to readline history. */ private function addCodeBufferToHistory() { $codeBuffer = \array_filter($this->codeBuffer, function ($line) { return !$line instanceof SilentInput; }); $this->addHistory(\implode("\n", $codeBuffer)); } /** * Get the current evaluation scope namespace. * * @see CodeCleaner::getNamespace * * @return string|null Current code namespace */ public function getNamespace() { if ($namespace = $this->cleaner->getNamespace()) { return \implode('\\', $namespace); } } /** * Write a string to stdout. * * This is used by the shell loop for rendering output from evaluated code. * * @param string $out * @param int $phase Output buffering phase */ public function writeStdout(string $out, int $phase = \PHP_OUTPUT_HANDLER_END) { if ($phase & \PHP_OUTPUT_HANDLER_START) { if ($this->output instanceof ShellOutput) { $this->output->startPaging(); } } $isCleaning = $phase & \PHP_OUTPUT_HANDLER_CLEAN; // Incremental flush if ($out !== '' && !$isCleaning) { $this->output->write($out, false, OutputInterface::OUTPUT_RAW); $this->outputWantsNewline = (\substr($out, -1) !== "\n"); $this->stdoutBuffer .= $out; } // Output buffering is done! if ($phase & \PHP_OUTPUT_HANDLER_END) { // Write an extra newline if stdout didn't end with one if ($this->outputWantsNewline) { if (!$this->config->rawOutput() && !$this->config->outputIsPiped()) { $this->output->writeln(\sprintf('', $this->config->useUnicode() ? '⏎' : '\\n')); } else { $this->output->writeln(''); } $this->outputWantsNewline = false; } // Save the stdout buffer as $__out if ($this->stdoutBuffer !== '') { $this->context->setLastStdout($this->stdoutBuffer); $this->stdoutBuffer = ''; } if ($this->output instanceof ShellOutput) { $this->output->stopPaging(); } } } /** * Write a return value to stdout. * * The return value is formatted or pretty-printed, and rendered in a * visibly distinct manner (in this case, as cyan). * * @see self::presentValue * * @param mixed $ret * @param bool $rawOutput Write raw var_export-style values */ public function writeReturnValue($ret, bool $rawOutput = false) { $this->lastExecSuccess = true; if ($ret instanceof NoReturnValue) { return; } $this->context->setReturnValue($ret); if ($rawOutput) { $formatted = \var_export($ret, true); } else { $indent = \str_repeat(' ', \strlen(static::RETVAL)); $formatted = $this->presentValue($ret); $formatted = static::RETVAL.\str_replace(\PHP_EOL, \PHP_EOL.$indent, $formatted); } if ($this->output instanceof ShellOutput) { $this->output->page($formatted.\PHP_EOL); } else { $this->output->writeln($formatted); } } /** * Renders a caught Exception. * * Exceptions are formatted according to severity. ErrorExceptions which were * warnings or Strict errors aren't rendered as harshly as real errors. * * Stores $e as the last Exception in the Shell Context. * * @param \Exception $e An exception instance */ public function writeException(\Exception $e) { // No need to write the break exception during a non-interactive run. if ($e instanceof BreakException && $this->nonInteractive) { $this->resetCodeBuffer(); return; } // Break exceptions don't count :) if (!$e instanceof BreakException) { $this->lastExecSuccess = false; $this->context->setLastException($e); } $output = $this->output; if ($output instanceof ConsoleOutput) { $output = $output->getErrorOutput(); } $output->writeln($this->formatException($e)); // Include an exception trace (as long as this isn't a BreakException). if (!$e instanceof BreakException && $output->getVerbosity() >= OutputInterface::VERBOSITY_VERBOSE) { $trace = TraceFormatter::formatTrace($e); if (\count($trace) !== 0) { $output->writeln('--'); $output->write($trace, true); $output->writeln(''); } } $this->resetCodeBuffer(); } /** * Check whether the last exec was successful. * * Returns true if a return value was logged rather than an exception. * * @return bool */ public function getLastExecSuccess(): bool { return $this->lastExecSuccess; } /** * Helper for formatting an exception for writeException(). * * @todo extract this to somewhere it makes more sense * * @param \Exception $e * * @return string */ public function formatException(\Exception $e): string { $message = $e->getMessage(); if (!$e instanceof PsyException) { if ($message === '') { $message = \get_class($e); } else { $message = \sprintf('%s with message \'%s\'', \get_class($e), $message); } } $message = \preg_replace( "#(\\w:)?([\\\\/]\\w+)*[\\\\/]src[\\\\/]Execution(?:Loop)?Closure.php\(\d+\) : eval\(\)'d code#", "eval()'d code", $message ); $message = \str_replace(" in eval()'d code", ' in Psy Shell code', $message); $severity = ($e instanceof \ErrorException) ? $this->getSeverity($e) : 'error'; return \sprintf('<%s>%s', $severity, OutputFormatter::escape($message), $severity); } /** * Helper for getting an output style for the given ErrorException's level. * * @param \ErrorException $e * * @return string */ protected function getSeverity(\ErrorException $e): string { $severity = $e->getSeverity(); if ($severity & \error_reporting()) { switch ($severity) { case \E_WARNING: case \E_NOTICE: case \E_CORE_WARNING: case \E_COMPILE_WARNING: case \E_USER_WARNING: case \E_USER_NOTICE: case \E_STRICT: return 'warning'; default: return 'error'; } } else { // Since this is below the user's reporting threshold, it's always going to be a warning. return 'warning'; } } /** * Execute code in the shell execution context. * * @param string $code * @param bool $throwExceptions * * @return mixed */ public function execute(string $code, bool $throwExceptions = false) { $this->setCode($code, true); $closure = new ExecutionClosure($this); if ($throwExceptions) { return $closure->execute(); } try { return $closure->execute(); } catch (\TypeError $_e) { $this->writeException(TypeErrorException::fromTypeError($_e)); } catch (\Error $_e) { $this->writeException(ErrorException::fromError($_e)); } catch (\Exception $_e) { $this->writeException($_e); } } /** * Helper for throwing an ErrorException. * * This allows us to: * * set_error_handler([$psysh, 'handleError']); * * Unlike ErrorException::throwException, this error handler respects error * levels; i.e. it logs warnings and notices, but doesn't throw exceptions. * This should probably only be used in the inner execution loop of the * shell, as most of the time a thrown exception is much more useful. * * If the error type matches the `errorLoggingLevel` config, it will be * logged as well, regardless of the `error_reporting` level. * * @see \Psy\Exception\ErrorException::throwException * @see \Psy\Shell::writeException * * @throws \Psy\Exception\ErrorException depending on the error level * * @param int $errno Error type * @param string $errstr Message * @param string $errfile Filename * @param int $errline Line number */ public function handleError($errno, $errstr, $errfile, $errline) { // This is an error worth throwing. // // n.b. Technically we can't handle all of these in userland code, but // we'll list 'em all for good measure if ($errno & (\E_ERROR | \E_PARSE | \E_CORE_ERROR | \E_COMPILE_ERROR | \E_USER_ERROR | \E_RECOVERABLE_ERROR)) { ErrorException::throwException($errno, $errstr, $errfile, $errline); } // When errors are suppressed, the error_reporting value will differ // from when we started executing. In that case, we won't log errors. $errorsSuppressed = $this->errorReporting !== null && $this->errorReporting !== \error_reporting(); // Otherwise log it and continue. if ($errno & \error_reporting() || (!$errorsSuppressed && ($errno & $this->config->errorLoggingLevel()))) { $this->writeException(new ErrorException($errstr, 0, $errno, $errfile, $errline)); } } /** * Format a value for display. * * @see Presenter::present * * @param mixed $val * * @return string Formatted value */ protected function presentValue($val): string { return $this->config->getPresenter()->present($val); } /** * Get a command (if one exists) for the current input string. * * @param string $input * * @return BaseCommand|null */ protected function getCommand(string $input) { $input = new StringInput($input); if ($name = $input->getFirstArgument()) { return $this->get($name); } } /** * Check whether a command is set for the current input string. * * @param string $input * * @return bool True if the shell has a command for the given input */ protected function hasCommand(string $input): bool { if (\preg_match('/([^\s]+?)(?:\s|$)/A', \ltrim($input), $match)) { return $this->has($match[1]); } return false; } /** * Get the current input prompt. * * @return string|null */ protected function getPrompt() { if ($this->output->isQuiet()) { return null; } if ($this->hasCode()) { return static::BUFF_PROMPT; } return $this->config->getPrompt() ?: static::PROMPT; } /** * Read a line of user input. * * This will return a line from the input buffer (if any exist). Otherwise, * it will ask the user for input. * * If readline is enabled, this delegates to readline. Otherwise, it's an * ugly `fgets` call. * * @param bool $interactive * * @return string|false One line of user input */ protected function readline(bool $interactive = true) { if (!empty($this->inputBuffer)) { $line = \array_shift($this->inputBuffer); if (!$line instanceof SilentInput) { $this->output->writeln(\sprintf('', static::REPLAY, OutputFormatter::escape($line))); } return $line; } $bracketedPaste = $interactive && $this->config->useBracketedPaste(); if ($bracketedPaste) { \printf("\e[?2004h"); // Enable bracketed paste } $line = $this->readline->readline($this->getPrompt()); if ($bracketedPaste) { \printf("\e[?2004l"); // ... and disable it again } return $line; } /** * Get the shell output header. * * @return string */ protected function getHeader(): string { return \sprintf('', $this->getVersion()); } /** * Get the current version of Psy Shell. * * @deprecated call self::getVersionHeader instead * * @return string */ public function getVersion(): string { return self::getVersionHeader($this->config->useUnicode()); } /** * Get a pretty header including the current version of Psy Shell. * * @param bool $useUnicode * * @return string */ public static function getVersionHeader(bool $useUnicode = false): string { $separator = $useUnicode ? '—' : '-'; return \sprintf('Psy Shell %s (PHP %s %s %s)', self::VERSION, \PHP_VERSION, $separator, \PHP_SAPI); } /** * Get a PHP manual database instance. * * @return \PDO|null */ public function getManualDb() { return $this->config->getManualDb(); } /** * @deprecated Tab completion is provided by the AutoCompleter service */ protected function autocomplete($text) { @\trigger_error('Tab completion is provided by the AutoCompleter service', \E_USER_DEPRECATED); } /** * Initialize tab completion matchers. * * If tab completion is enabled this adds tab completion matchers to the * auto completer and sets context if needed. */ protected function initializeTabCompletion() { if (!$this->config->useTabCompletion()) { return; } $this->autoCompleter = $this->config->getAutoCompleter(); // auto completer needs shell to be linked to configuration because of // the context aware matchers $this->addMatchersToAutoCompleter($this->getDefaultMatchers()); $this->addMatchersToAutoCompleter($this->matchers); $this->autoCompleter->activate(); } /** * Add matchers to the auto completer, setting context if needed. * * @param array $matchers */ private function addMatchersToAutoCompleter(array $matchers) { foreach ($matchers as $matcher) { if ($matcher instanceof ContextAware) { $matcher->setContext($this->context); } $this->autoCompleter->addMatcher($matcher); } } /** * @todo Implement self-update * @todo Implement prompt to start update * * @return void|string */ protected function writeVersionInfo() { if (\PHP_SAPI !== 'cli') { return; } try { $client = $this->config->getChecker(); if (!$client->isLatest()) { $this->output->writeln(\sprintf('New version is available (current: %s, latest: %s)', self::VERSION, $client->getLatest())); } } catch (\InvalidArgumentException $e) { $this->output->writeln($e->getMessage()); } } /** * Write a startup message if set. */ protected function writeStartupMessage() { $message = $this->config->getStartupMessage(); if ($message !== null && $message !== '') { $this->output->writeln($message); } } }