Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of Psy Shell.
Chris@0:  *
Chris@0:  * (c) 2012-2018 Justin Hileman
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Psy;
Chris@0: 
Chris@0: use Psy\Exception\ErrorException;
Chris@0: 
Chris@0: /**
Chris@0:  * The Psy Shell execution loop.
Chris@0:  */
Chris@0: class ExecutionLoop
Chris@0: {
Chris@0:     /**
Chris@0:      * Run the execution loop.
Chris@0:      *
Chris@0:      * @throws ThrowUpException if thrown by the `throw-up` command
Chris@0:      *
Chris@0:      * @param Shell $shell
Chris@0:      */
Chris@0:     public function run(Shell $shell)
Chris@0:     {
Chris@0:         $this->loadIncludes($shell);
Chris@0: 
Chris@0:         $closure = new ExecutionLoopClosure($shell);
Chris@0:         $closure->execute();
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Load user-defined includes.
Chris@0:      *
Chris@0:      * @param Shell $shell
Chris@0:      */
Chris@0:     protected function loadIncludes(Shell $shell)
Chris@0:     {
Chris@0:         // Load user-defined includes
Chris@0:         $load = function (Shell $__psysh__) {
Chris@4:             \set_error_handler([$__psysh__, 'handleError']);
Chris@0:             foreach ($__psysh__->getIncludes() as $__psysh_include__) {
Chris@0:                 try {
Chris@0:                     include $__psysh_include__;
Chris@0:                 } catch (\Error $_e) {
Chris@0:                     $__psysh__->writeException(ErrorException::fromError($_e));
Chris@0:                 } catch (\Exception $_e) {
Chris@0:                     $__psysh__->writeException($_e);
Chris@0:                 }
Chris@0:             }
Chris@4:             \restore_error_handler();
Chris@0:             unset($__psysh_include__);
Chris@0: 
Chris@0:             // Override any new local variables with pre-defined scope variables
Chris@4:             \extract($__psysh__->getScopeVariables(false));
Chris@0: 
Chris@0:             // ... then add the whole mess of variables back.
Chris@4:             $__psysh__->setScopeVariables(\get_defined_vars());
Chris@0:         };
Chris@0: 
Chris@0:         $load($shell);
Chris@0:     }
Chris@0: }