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[yaffs-website] / vendor / psy / psysh / src / Psy / CodeCleaner / ImplicitReturnPass.php

diff --git a/vendor/psy/psysh/src/Psy/CodeCleaner/ImplicitReturnPass.php b/vendor/psy/psysh/src/Psy/CodeCleaner/ImplicitReturnPass.php
deleted file mode 100644 (file)
index c738bdc..0000000
--- a/vendor/psy/psysh/src/Psy/CodeCleaner/ImplicitReturnPass.php
+++ /dev/null
@@ -1,102 +0,0 @@
-<?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\CodeCleaner;
-
-use PhpParser\Node\Expr;
-use PhpParser\Node\Expr\Exit_;
-use PhpParser\Node\Expr\New_;
-use PhpParser\Node\Name\FullyQualified as FullyQualifiedName;
-use PhpParser\Node\Stmt;
-use PhpParser\Node\Stmt\Break_;
-use PhpParser\Node\Stmt\If_;
-use PhpParser\Node\Stmt\Namespace_;
-use PhpParser\Node\Stmt\Return_;
-use PhpParser\Node\Stmt\Switch_;
-
-/**
- * Add an implicit "return" to the last statement, provided it can be returned.
- */
-class ImplicitReturnPass extends CodeCleanerPass
-{
-    /**
-     * @param array $nodes
-     *
-     * @return array
-     */
-    public function beforeTraverse(array $nodes)
-    {
-        return $this->addImplicitReturn($nodes);
-    }
-
-    /**
-     * @param array $nodes
-     *
-     * @return array
-     */
-    private function addImplicitReturn(array $nodes)
-    {
-        // If nodes is empty, it can't have a return value.
-        if (empty($nodes)) {
-            return array(new Return_(new New_(new FullyQualifiedName('Psy\CodeCleaner\NoReturnValue'))));
-        }
-
-        $last = end($nodes);
-
-        // Special case a few types of statements to add an implicit return
-        // value (even though they technically don't have any return value)
-        // because showing a return value in these instances is useful and not
-        // very surprising.
-        if ($last instanceof If_) {
-            $last->stmts = $this->addImplicitReturn($last->stmts);
-
-            foreach ($last->elseifs as $elseif) {
-                $elseif->stmts = $this->addImplicitReturn($elseif->stmts);
-            }
-
-            if ($last->else) {
-                $last->else->stmts = $this->addImplicitReturn($last->else->stmts);
-            }
-        } elseif ($last instanceof Switch_) {
-            foreach ($last->cases as $case) {
-                // only add an implicit return to cases which end in break
-                $caseLast = end($case->stmts);
-                if ($caseLast instanceof Break_) {
-                    $case->stmts = $this->addImplicitReturn(array_slice($case->stmts, 0, -1));
-                    $case->stmts[] = $caseLast;
-                }
-            }
-        } elseif ($last instanceof Expr && !($last instanceof Exit_)) {
-            $nodes[count($nodes) - 1] = new Return_($last, array(
-                'startLine' => $last->getLine(),
-                'endLine'   => $last->getLine(),
-            ));
-        } elseif ($last instanceof Namespace_) {
-            $last->stmts = $this->addImplicitReturn($last->stmts);
-        }
-
-        // Return a "no return value" for all non-expression statements, so that
-        // PsySH can suppress the `null` that `eval()` returns otherwise.
-        //
-        // Note that statements special cased above (if/elseif/else, switch)
-        // _might_ implicitly return a value before this catch-all return is
-        // reached.
-        //
-        // We're not adding a fallback return after namespace statements,
-        // because code outside namespace statements doesn't really work, and
-        // there's already an implicit return in the namespace statement anyway.
-        if ($last instanceof Stmt && !$last instanceof Return_ && !$last instanceof Namespace_) {
-            $nodes[] = new Return_(new New_(new FullyQualifiedName('Psy\CodeCleaner\NoReturnValue')));
-        }
-
-        return $nodes;
-    }
-}