X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=vendor%2Fpsy%2Fpsysh%2Fsrc%2FPsy%2FCodeCleaner.php;fp=vendor%2Fpsy%2Fpsysh%2Fsrc%2FPsy%2FCodeCleaner.php;h=0000000000000000000000000000000000000000;hp=fa3a878576249b8d6e228015ddbc83da0e55638b;hb=af6d1fb995500ae68849458ee10d66abbdcfb252;hpb=680c79a86e3ed402f263faeac92e89fb6d9edcc0

diff --git a/vendor/psy/psysh/src/Psy/CodeCleaner.php b/vendor/psy/psysh/src/Psy/CodeCleaner.php
deleted file mode 100644
index fa3a87857..000000000
--- a/vendor/psy/psysh/src/Psy/CodeCleaner.php
+++ /dev/null
@@ -1,259 +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;
-
-use PhpParser\NodeTraverser;
-use PhpParser\Parser;
-use PhpParser\PrettyPrinter\Standard as Printer;
-use Psy\CodeCleaner\AbstractClassPass;
-use Psy\CodeCleaner\AssignThisVariablePass;
-use Psy\CodeCleaner\CalledClassPass;
-use Psy\CodeCleaner\CallTimePassByReferencePass;
-use Psy\CodeCleaner\ExitPass;
-use Psy\CodeCleaner\FinalClassPass;
-use Psy\CodeCleaner\FunctionContextPass;
-use Psy\CodeCleaner\FunctionReturnInWriteContextPass;
-use Psy\CodeCleaner\ImplicitReturnPass;
-use Psy\CodeCleaner\InstanceOfPass;
-use Psy\CodeCleaner\LeavePsyshAlonePass;
-use Psy\CodeCleaner\LegacyEmptyPass;
-use Psy\CodeCleaner\LoopContextPass;
-use Psy\CodeCleaner\MagicConstantsPass;
-use Psy\CodeCleaner\NamespacePass;
-use Psy\CodeCleaner\PassableByReferencePass;
-use Psy\CodeCleaner\RequirePass;
-use Psy\CodeCleaner\StaticConstructorPass;
-use Psy\CodeCleaner\StrictTypesPass;
-use Psy\CodeCleaner\UseStatementPass;
-use Psy\CodeCleaner\ValidClassNamePass;
-use Psy\CodeCleaner\ValidConstantPass;
-use Psy\CodeCleaner\ValidFunctionNamePass;
-use Psy\Exception\ParseErrorException;
-
-/**
- * A service to clean up user input, detect parse errors before they happen,
- * and generally work around issues with the PHP code evaluation experience.
- */
-class CodeCleaner
-{
-    private $parser;
-    private $printer;
-    private $traverser;
-    private $namespace;
-
-    /**
-     * CodeCleaner constructor.
-     *
-     * @param Parser        $parser    A PhpParser Parser instance. One will be created if not explicitly supplied
-     * @param Printer       $printer   A PhpParser Printer instance. One will be created if not explicitly supplied
-     * @param NodeTraverser $traverser A PhpParser NodeTraverser instance. One will be created if not explicitly supplied
-     */
-    public function __construct(Parser $parser = null, Printer $printer = null, NodeTraverser $traverser = null)
-    {
-        if ($parser === null) {
-            $parserFactory = new ParserFactory();
-            $parser        = $parserFactory->createParser();
-        }
-
-        $this->parser    = $parser;
-        $this->printer   = $printer ?: new Printer();
-        $this->traverser = $traverser ?: new NodeTraverser();
-
-        foreach ($this->getDefaultPasses() as $pass) {
-            $this->traverser->addVisitor($pass);
-        }
-    }
-
-    /**
-     * Get default CodeCleaner passes.
-     *
-     * @return array
-     */
-    private function getDefaultPasses()
-    {
-        return array(
-            // Validation passes
-            new AbstractClassPass(),
-            new AssignThisVariablePass(),
-            new CalledClassPass(),
-            new CallTimePassByReferencePass(),
-            new FinalClassPass(),
-            new FunctionContextPass(),
-            new FunctionReturnInWriteContextPass(),
-            new InstanceOfPass(),
-            new LeavePsyshAlonePass(),
-            new LegacyEmptyPass(),
-            new LoopContextPass(),
-            new PassableByReferencePass(),
-            new StaticConstructorPass(),
-
-            // Rewriting shenanigans
-            new UseStatementPass(),   // must run before the namespace pass
-            new ExitPass(),
-            new ImplicitReturnPass(),
-            new MagicConstantsPass(),
-            new NamespacePass($this), // must run after the implicit return pass
-            new RequirePass(),
-            new StrictTypesPass(),
-
-            // Namespace-aware validation (which depends on aforementioned shenanigans)
-            new ValidClassNamePass(),
-            new ValidConstantPass(),
-            new ValidFunctionNamePass(),
-        );
-    }
-
-    /**
-     * Clean the given array of code.
-     *
-     * @throws ParseErrorException if the code is invalid PHP, and cannot be coerced into valid PHP
-     *
-     * @param array $codeLines
-     * @param bool  $requireSemicolons
-     *
-     * @return string|false Cleaned PHP code, False if the input is incomplete
-     */
-    public function clean(array $codeLines, $requireSemicolons = false)
-    {
-        $stmts = $this->parse('<?php ' . implode(PHP_EOL, $codeLines) . PHP_EOL, $requireSemicolons);
-        if ($stmts === false) {
-            return false;
-        }
-
-        // Catch fatal errors before they happen
-        $stmts = $this->traverser->traverse($stmts);
-
-        // Work around https://github.com/nikic/PHP-Parser/issues/399
-        $oldLocale = setlocale(LC_NUMERIC, 0);
-        setlocale(LC_NUMERIC, 'C');
-
-        $code = $this->printer->prettyPrint($stmts);
-
-        // Now put the locale back
-        setlocale(LC_NUMERIC, $oldLocale);
-
-        return $code;
-    }
-
-    /**
-     * Set the current local namespace.
-     *
-     * @param null|array $namespace (default: null)
-     *
-     * @return null|array
-     */
-    public function setNamespace(array $namespace = null)
-    {
-        $this->namespace = $namespace;
-    }
-
-    /**
-     * Get the current local namespace.
-     *
-     * @return null|array
-     */
-    public function getNamespace()
-    {
-        return $this->namespace;
-    }
-
-    /**
-     * Lex and parse a block of code.
-     *
-     * @see Parser::parse
-     *
-     * @throws ParseErrorException for parse errors that can't be resolved by
-     *                             waiting a line to see what comes next
-     *
-     * @param string $code
-     * @param bool   $requireSemicolons
-     *
-     * @return array|false A set of statements, or false if incomplete
-     */
-    protected function parse($code, $requireSemicolons = false)
-    {
-        try {
-            return $this->parser->parse($code);
-        } catch (\PhpParser\Error $e) {
-            if ($this->parseErrorIsUnclosedString($e, $code)) {
-                return false;
-            }
-
-            if ($this->parseErrorIsUnterminatedComment($e, $code)) {
-                return false;
-            }
-
-            if ($this->parseErrorIsTrailingComma($e, $code)) {
-                return false;
-            }
-
-            if (!$this->parseErrorIsEOF($e)) {
-                throw ParseErrorException::fromParseError($e);
-            }
-
-            if ($requireSemicolons) {
-                return false;
-            }
-
-            try {
-                // Unexpected EOF, try again with an implicit semicolon
-                return $this->parser->parse($code . ';');
-            } catch (\PhpParser\Error $e) {
-                return false;
-            }
-        }
-    }
-
-    private function parseErrorIsEOF(\PhpParser\Error $e)
-    {
-        $msg = $e->getRawMessage();
-
-        return ($msg === 'Unexpected token EOF') || (strpos($msg, 'Syntax error, unexpected EOF') !== false);
-    }
-
-    /**
-     * A special test for unclosed single-quoted strings.
-     *
-     * Unlike (all?) other unclosed statements, single quoted strings have
-     * their own special beautiful snowflake syntax error just for
-     * themselves.
-     *
-     * @param \PhpParser\Error $e
-     * @param string           $code
-     *
-     * @return bool
-     */
-    private function parseErrorIsUnclosedString(\PhpParser\Error $e, $code)
-    {
-        if ($e->getRawMessage() !== 'Syntax error, unexpected T_ENCAPSED_AND_WHITESPACE') {
-            return false;
-        }
-
-        try {
-            $this->parser->parse($code . "';");
-        } catch (\Exception $e) {
-            return false;
-        }
-
-        return true;
-    }
-
-    private function parseErrorIsUnterminatedComment(\PhpParser\Error $e, $code)
-    {
-        return $e->getRawMessage() === 'Unterminated comment';
-    }
-
-    private function parseErrorIsTrailingComma(\PhpParser\Error $e, $code)
-    {
-        return ($e->getRawMessage() === 'A trailing comma is not allowed here') && (substr(rtrim($code), -1) === ',');
-    }
-}