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

diff --git a/vendor/psy/psysh/src/Psy/CodeCleaner/ValidFunctionNamePass.php b/vendor/psy/psysh/src/Psy/CodeCleaner/ValidFunctionNamePass.php
deleted file mode 100644 (file)
index 0da5138..0000000
--- a/vendor/psy/psysh/src/Psy/CodeCleaner/ValidFunctionNamePass.php
+++ /dev/null
@@ -1,97 +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;
-use PhpParser\Node\Expr;
-use PhpParser\Node\Expr\FuncCall;
-use PhpParser\Node\Expr\Variable;
-use PhpParser\Node\Stmt\Do_;
-use PhpParser\Node\Stmt\Function_;
-use PhpParser\Node\Stmt\If_;
-use PhpParser\Node\Stmt\Switch_;
-use PhpParser\Node\Stmt\While_;
-use Psy\Exception\FatalErrorException;
-
-/**
- * Validate that function calls will succeed.
- *
- * This pass throws a FatalErrorException rather than letting PHP run
- * headfirst into a real fatal error and die.
- */
-class ValidFunctionNamePass extends NamespaceAwarePass
-{
-    private $conditionalScopes = 0;
-
-    /**
-     * Store newly defined function names on the way in, to allow recursion.
-     *
-     * @param Node $node
-     */
-    public function enterNode(Node $node)
-    {
-        parent::enterNode($node);
-
-        if (self::isConditional($node)) {
-            $this->conditionalScopes++;
-        } elseif ($node instanceof Function_) {
-            $name = $this->getFullyQualifiedName($node->name);
-
-            // @todo add an "else" here which adds a runtime check for instances where we can't tell
-            // whether a function is being redefined by static analysis alone.
-            if ($this->conditionalScopes === 0) {
-                if (function_exists($name) ||
-                    isset($this->currentScope[strtolower($name)])) {
-                    $msg = sprintf('Cannot redeclare %s()', $name);
-                    throw new FatalErrorException($msg, 0, E_ERROR, null, $node->getLine());
-                }
-            }
-
-            $this->currentScope[strtolower($name)] = true;
-        }
-    }
-
-    /**
-     * Validate that function calls will succeed.
-     *
-     * @throws FatalErrorException if a function is redefined
-     * @throws FatalErrorException if the function name is a string (not an expression) and is not defined
-     *
-     * @param Node $node
-     */
-    public function leaveNode(Node $node)
-    {
-        if (self::isConditional($node)) {
-            $this->conditionalScopes--;
-        } elseif ($node instanceof FuncCall) {
-            // if function name is an expression or a variable, give it a pass for now.
-            $name = $node->name;
-            if (!$name instanceof Expr && !$name instanceof Variable) {
-                $shortName = implode('\\', $name->parts);
-                $fullName  = $this->getFullyQualifiedName($name);
-                $inScope   = isset($this->currentScope[strtolower($fullName)]);
-                if (!$inScope && !function_exists($shortName) && !function_exists($fullName)) {
-                    $message = sprintf('Call to undefined function %s()', $name);
-                    throw new FatalErrorException($message, 0, E_ERROR, null, $node->getLine());
-                }
-            }
-        }
-    }
-
-    private static function isConditional(Node $node)
-    {
-        return $node instanceof If_ ||
-            $node instanceof While_ ||
-            $node instanceof Do_ ||
-            $node instanceof Switch_;
-    }
-}