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https://github.com/exacti/phacil-framework
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93 lines
3.5 KiB
93 lines
3.5 KiB
<?php
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/**
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* Copyright © 2024 ExacTI Technology Solutions. All rights reserved.
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* GPLv3 General License.
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* https://exacti.com.br
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* Phacil PHP Framework - https://github.com/exacti/phacil-framework
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*/
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namespace Phacil\Framework\ECompress\Helpers\JSMinPlus;
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/**
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* JSMinPlus version 1.4
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*
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* Minifies a javascript file using a javascript parser
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*
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* This implements a PHP port of Brendan Eich's Narcissus open source javascript engine (in javascript)
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* References: http://en.wikipedia.org/wiki/Narcissus_(JavaScript_engine)
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* Narcissus sourcecode: http://mxr.mozilla.org/mozilla/source/js/narcissus/
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* JSMinPlus weblog: http://crisp.tweakblogs.net/blog/cat/716
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*
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* Tino Zijdel <crisp@tweakers.net>
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*
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* Usage: $minified = JSMinPlus::minify($script [, $filename])
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*
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* Versionlog (see also changelog.txt):
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* 23-07-2011 - remove dynamic creation of OP_* and KEYWORD_* defines and declare them on top
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* reduce memory footprint by minifying by block-scope
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* some small byte-saving and performance improvements
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* 12-05-2009 - fixed hook:colon precedence, fixed empty body in loop and if-constructs
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* 18-04-2009 - fixed crashbug in PHP 5.2.9 and several other bugfixes
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* 12-04-2009 - some small bugfixes and performance improvements
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* 09-04-2009 - initial open sourced version 1.0
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*
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* Latest version of this script: http://files.tweakers.net/jsminplus/jsminplus.zip
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*
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*/
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Narcissus JavaScript engine.
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*
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* The Initial Developer of the Original Code is
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* Brendan Eich <brendan@mozilla.org>.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s): Tino Zijdel <crisp@tweakers.net>
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* PHP port, modifications and minifier routine are (C) 2009-2011
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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class JSCompilerContext
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{
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public $inFunction = false;
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public $inForLoopInit = false;
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public $ecmaStrictMode = false;
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public $bracketLevel = 0;
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public $curlyLevel = 0;
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public $parenLevel = 0;
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public $hookLevel = 0;
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public $stmtStack = array();
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public $funDecls = array();
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public $varDecls = array();
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public function __construct($inFunction)
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{
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$this->inFunction = $inFunction;
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}
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} |