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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/*
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(c) 2006 Jan Kneschke <jan@kneschke.de>
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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/**
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* A interactive PHP Shell
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*
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* The more I work with other languages like python and ruby I like their way how they
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* work on problems. While PHP is very forgiving on errors, it is weak on the debugging
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* side. It was missing a simple to use interactive shell for years. Python and Ruby have
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* their ipython and iruby shell which give you a direct way to interact with the objects.
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* No need to write a script and execute it afterwards.
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*
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* Starting the Shell:
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*
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* The package contains a shell wrapper for windows and unix:
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* <pre>
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* sh> php-shell.sh
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* win> php-shell
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* </pre>
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*
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* Both are calling the wrapper script <code>php -q php-shell-cmd.php</code>
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*
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* Inline Help
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*
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* <pre>
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* PHP-Shell - Version 0.2.0, with readline() support
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* (c) 2006, Jan Kneschke <jan@kneschke.de>
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*
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* >> use '?' to open the inline help
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*
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* >> ?
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* "inline help for the PHP-shell
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*
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* >> ?
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* print this help
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* >> ? <topic>
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* get the doccomment for a class, method, property or function
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* >> p <var>
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* execute a verbose print (if implemented)
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* >> quit
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* leave shell
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* "
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* >> ? PHP_Shell
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* </pre>
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* Alternatives
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*
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* - http://david.acz.org/phpa/
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* - http://www.hping.org/phpinteractive/
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* - the embedded interactive php-shell: $ php -a
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*
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* @package PHP
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*/
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/**
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* PHP_Shell
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*
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* a interactive PHP Shell with tab-completion and history
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* it can catch FATAL errors before executing the code
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*
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* Extensions are provided through three side-classes:
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*
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* - PHP_Shell_Commands
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* - PHP_Shell_Options
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* - PHP_Shell_Extensions
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*
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* @package PHP
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*/
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require_once(dirname(__FILE__)."/Shell/Commands.php");
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require_once(dirname(__FILE__)."/Shell/Options.php"); /* for the tab-complete */
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class PHP_Shell {
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/**
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* current code-buffer
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* @var string
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*/
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protected $code;
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/**
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* set if readline support is enabled
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* @var bool
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*/
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protected $have_readline;
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/**
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* current version of the class
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* @var string
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*/
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protected $version = '0.3.1';
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/**
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*
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*/
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protected $stdin;
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protected $code_buffer;
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public $has_semicolon=false;
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/**
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* init the shell and change if readline support is available
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*/
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public function __construct() {
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$this->code = '';
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$this->stdin = null;
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$this->have_readline = function_exists('readline');
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if ($this->have_readline) {
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readline_completion_function('__shell_readline_complete');
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}
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$this->use_readline = true;
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$cmd = PHP_Shell_Commands::getInstance();
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$cmd->registerCommand('#^quit$#', $this, 'cmdQuit', 'quit', 'leaves the shell');
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$cmd->registerCommand('#^\?$#', $this, 'cmdHelp', '?', 'show this help');
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$cmd->registerCommand('#^\?\s+license$#', $this, 'cmdLicense', '? license', 'show license of the shell');
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}
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/**
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* parse the PHP code
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*
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* we parse before we eval() the code to
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* - fetch fatal errors before they come up
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* - know about where we have to wait for closing braces
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*
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* @return int 0 if a executable statement is in the code-buffer, non-zero otherwise
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*/
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public function parse() {
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## remove empty lines
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if (trim($this->code) == '') return 1;
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$t = token_get_all('<?php '.$this->code.' ?>');
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$need_semicolon = 1; /* do we need a semicolon to complete the statement ? */
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$need_return = 1; /* can we prepend a return to the eval-string ? */
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$open_comment = 0; /* a open multi-line comment */
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$eval = ''; /* code to be eval()'ed later */
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$braces = array(); /* to track if we need more closing braces */
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$methods = array(); /* to track duplicate methods in a class declaration */
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$ts = array(); /* tokens without whitespaces */
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foreach ($t as $ndx => $token) {
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if (is_array($token)) {
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$ignore = 0;
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switch($token[0]) {
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case T_WHITESPACE:
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case T_OPEN_TAG:
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case T_CLOSE_TAG:
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$ignore = 1;
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break;
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case T_FOREACH:
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case T_DO:
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case T_WHILE:
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case T_FOR:
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case T_IF:
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case T_RETURN:
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case T_CLASS:
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case T_FUNCTION:
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case T_INTERFACE:
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case T_PRINT:
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case T_ECHO:
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case T_COMMENT:
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case T_UNSET:
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case T_INCLUDE:
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case T_REQUIRE:
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case T_INCLUDE_ONCE:
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case T_REQUIRE_ONCE:
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case T_TRY:
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case T_SWITCH:
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case T_DEFAULT:
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case T_CASE:
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case T_BREAK:
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case T_DOC_COMMENT:
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$need_return = 0;
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break;
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case T_EMPTY:
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case T_ISSET:
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case T_EVAL:
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case T_EXIT:
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case T_VARIABLE:
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case T_STRING:
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case T_NEW:
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case T_EXTENDS:
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case T_IMPLEMENTS:
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case T_OBJECT_OPERATOR:
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case T_DOUBLE_COLON:
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case T_INSTANCEOF:
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case T_CATCH:
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case T_THROW:
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case T_ELSE:
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case T_AS:
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case T_LNUMBER:
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case T_DNUMBER:
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case T_CONSTANT_ENCAPSED_STRING:
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case T_ENCAPSED_AND_WHITESPACE:
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case T_CHARACTER:
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case T_ARRAY:
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case T_DOUBLE_ARROW:
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case T_CONST:
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case T_PUBLIC:
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case T_PROTECTED:
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case T_PRIVATE:
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case T_ABSTRACT:
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case T_STATIC:
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case T_VAR:
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case T_INC:
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case T_DEC:
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case T_SL:
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case T_SL_EQUAL:
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case T_SR:
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case T_SR_EQUAL:
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case T_IS_EQUAL:
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case T_IS_IDENTICAL:
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case T_IS_GREATER_OR_EQUAL:
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case T_IS_SMALLER_OR_EQUAL:
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case T_BOOLEAN_OR:
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case T_LOGICAL_OR:
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case T_BOOLEAN_AND:
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case T_LOGICAL_AND:
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case T_LOGICAL_XOR:
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case T_MINUS_EQUAL:
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case T_PLUS_EQUAL:
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case T_MUL_EQUAL:
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case T_DIV_EQUAL:
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case T_MOD_EQUAL:
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case T_XOR_EQUAL:
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case T_AND_EQUAL:
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case T_OR_EQUAL:
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case T_FUNC_C:
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case T_CLASS_C:
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case T_LINE:
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case T_FILE:
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case T_BOOL_CAST:
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case T_INT_CAST:
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case T_STRING_CAST:
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/* just go on */
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break;
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default:
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/* debug unknown tags*/
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error_log(sprintf("unknown tag: %d (%s): %s".PHP_EOL, $token[0], token_name($token[0]), $token[1]));
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break;
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}
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if (!$ignore) {
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$eval .= $token[1]." ";
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$ts[] = array("token" => $token[0], "value" => $token[1]);
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}
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} else {
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$ts[] = array("token" => $token, "value" => '');
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$last = count($ts) - 1;
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switch ($token) {
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case '(':
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/* walk backwards through the tokens */
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if ($last >= 4 &&
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$ts[$last - 1]['token'] == T_STRING &&
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$ts[$last - 2]['token'] == T_OBJECT_OPERATOR &&
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$ts[$last - 3]['token'] == ')' ) {
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/* func()->method()
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*
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* we can't know what func() is return, so we can't
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* say if the method() exists or not
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*
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*/
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} else if ($last >= 3 &&
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$ts[0]['token'] != T_CLASS && /* if we are not in a class definition */
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$ts[0]['token'] != T_ABSTRACT && /* if we are not in a class definition */
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$ts[1]['token'] != T_CLASS && /* if we are not in a class definition */
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$ts[$last - 1]['token'] == T_STRING &&
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$ts[$last - 2]['token'] == T_OBJECT_OPERATOR &&
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317 |
$ts[$last - 3]['token'] == T_VARIABLE ) {
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318 |
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319 |
/* $object->method( */
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320 |
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321 |
/* catch (Exception $e) does not set $e in $GLOBALS[] */
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$in_catch = 0;
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323 |
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324 |
foreach ($ts as $v) {
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325 |
if ($v['token'] == T_CATCH) {
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326 |
$in_catch = 1;
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327 |
}
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328 |
}
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329 |
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330 |
if (!$in_catch) {
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/* $object has to exist and has to be a object */
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$objname = $ts[$last - 3]['value'];
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333 |
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334 |
if (!isset($GLOBALS[ltrim($objname, '$')])) {
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335 |
throw new Exception(sprintf('Variable \'%s\' is not set', $objname));
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336 |
}
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337 |
$object = $GLOBALS[ltrim($objname, '$')];
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338 |
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339 |
if (!is_object($object)) {
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340 |
throw new Exception(sprintf('Variable \'%s\' is not a class', $objname));
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341 |
}
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342 |
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343 |
$method = $ts[$last - 1]['value'];
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344 |
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/* obj */
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346 |
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347 |
if (!method_exists($object, $method)) {
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348 |
throw new Exception(sprintf("Variable %s (Class '%s') doesn't have a method named '%s'",
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349 |
$objname, get_class($object), $method));
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350 |
}
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351 |
}
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352 |
} else if ($last >= 3 &&
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$ts[0]['token'] != T_CLASS && /* if we are not in a class definition */
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$ts[$last - 1]['token'] == T_VARIABLE &&
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$ts[$last - 2]['token'] == T_OBJECT_OPERATOR &&
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356 |
$ts[$last - 3]['token'] == T_VARIABLE ) {
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357 |
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358 |
/* $object->$method( */
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359 |
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360 |
/* $object has to exist and has to be a object */
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361 |
$objname = $ts[$last - 3]['value'];
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362 |
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363 |
if (!isset($GLOBALS[ltrim($objname, '$')])) {
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364 |
throw new Exception(sprintf('Variable \'%s\' is not set', $objname));
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365 |
}
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366 |
$object = $GLOBALS[ltrim($objname, '$')];
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367 |
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|
368 |
if (!is_object($object)) {
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369 |
throw new Exception(sprintf('Variable \'%s\' is not a class', $objname));
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370 |
}
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371 |
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372 |
$methodname = $ts[$last - 1]['value'];
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373 |
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|
374 |
if (!isset($GLOBALS[ltrim($methodname, '$')])) {
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|
375 |
throw new Exception(sprintf('Variable \'%s\' is not set', $methodname));
|
|
|
376 |
}
|
|
|
377 |
$method = $GLOBALS[ltrim($methodname, '$')];
|
|
|
378 |
|
|
|
379 |
/* obj */
|
|
|
380 |
|
|
|
381 |
if (!method_exists($object, $method)) {
|
|
|
382 |
throw new Exception(sprintf("Variable %s (Class '%s') doesn't have a method named '%s'",
|
|
|
383 |
$objname, get_class($object), $method));
|
|
|
384 |
}
|
|
|
385 |
|
|
|
386 |
} else if ($last >= 6 &&
|
|
|
387 |
$ts[0]['token'] != T_CLASS && /* if we are not in a class definition */
|
|
|
388 |
$ts[$last - 1]['token'] == T_STRING &&
|
|
|
389 |
$ts[$last - 2]['token'] == T_OBJECT_OPERATOR &&
|
|
|
390 |
$ts[$last - 3]['token'] == ']' &&
|
|
|
391 |
/* might be anything as index */
|
|
|
392 |
$ts[$last - 5]['token'] == '[' &&
|
|
|
393 |
$ts[$last - 6]['token'] == T_VARIABLE ) {
|
|
|
394 |
|
|
|
395 |
/* $object[...]->method( */
|
|
|
396 |
|
|
|
397 |
/* $object has to exist and has to be a object */
|
|
|
398 |
$objname = $ts[$last - 6]['value'];
|
|
|
399 |
|
|
|
400 |
if (!isset($GLOBALS[ltrim($objname, '$')])) {
|
|
|
401 |
throw new Exception(sprintf('Variable \'%s\' is not set', $objname));
|
|
|
402 |
}
|
|
|
403 |
$array = $GLOBALS[ltrim($objname, '$')];
|
|
|
404 |
|
|
|
405 |
if (!is_array($array)) {
|
|
|
406 |
throw new Exception(sprintf('Variable \'%s\' is not a array', $objname));
|
|
|
407 |
}
|
|
|
408 |
|
|
|
409 |
$andx = $ts[$last - 4]['value'];
|
|
|
410 |
|
|
|
411 |
if (!isset($array[$andx])) {
|
|
|
412 |
throw new Exception(sprintf('%s[\'%s\'] is not set', $objname, $andx));
|
|
|
413 |
}
|
|
|
414 |
|
|
|
415 |
$object = $array[$andx];
|
|
|
416 |
|
|
|
417 |
if (!is_object($object)) {
|
|
|
418 |
throw new Exception(sprintf('Variable \'%s\' is not a class', $objname));
|
|
|
419 |
}
|
|
|
420 |
|
|
|
421 |
$method = $ts[$last - 1]['value'];
|
|
|
422 |
|
|
|
423 |
/* obj */
|
|
|
424 |
|
|
|
425 |
if (!method_exists($object, $method)) {
|
|
|
426 |
throw new Exception(sprintf("Variable %s (Class '%s') doesn't have a method named '%s'",
|
|
|
427 |
$objname, get_class($object), $method));
|
|
|
428 |
}
|
|
|
429 |
|
|
|
430 |
} else if ($last >= 3 &&
|
|
|
431 |
$ts[0]['token'] != T_CLASS && /* if we are not in a class definition */
|
|
|
432 |
$ts[$last - 1]['token'] == T_STRING &&
|
|
|
433 |
$ts[$last - 2]['token'] == T_DOUBLE_COLON &&
|
|
|
434 |
$ts[$last - 3]['token'] == T_STRING ) {
|
|
|
435 |
|
|
|
436 |
/* Class::method() */
|
|
|
437 |
|
|
|
438 |
/* $object has to exist and has to be a object */
|
|
|
439 |
$classname = $ts[$last - 3]['value'];
|
|
|
440 |
|
|
|
441 |
if (!class_exists($classname)) {
|
|
|
442 |
throw new Exception(sprintf('Class \'%s\' doesn\'t exist', $classname));
|
|
|
443 |
}
|
|
|
444 |
|
|
|
445 |
$method = $ts[$last - 1]['value'];
|
|
|
446 |
|
|
|
447 |
if (!in_array($method, get_class_methods($classname))) {
|
|
|
448 |
throw new Exception(sprintf("Class '%s' doesn't have a method named '%s'",
|
|
|
449 |
$classname, $method));
|
|
|
450 |
}
|
|
|
451 |
} else if ($last >= 3 &&
|
|
|
452 |
$ts[0]['token'] != T_CLASS && /* if we are not in a class definition */
|
|
|
453 |
$ts[$last - 1]['token'] == T_VARIABLE &&
|
|
|
454 |
$ts[$last - 2]['token'] == T_DOUBLE_COLON &&
|
|
|
455 |
$ts[$last - 3]['token'] == T_STRING ) {
|
|
|
456 |
|
|
|
457 |
/* $var::method() */
|
|
|
458 |
|
|
|
459 |
/* $object has to exist and has to be a object */
|
|
|
460 |
$classname = $ts[$last - 3]['value'];
|
|
|
461 |
|
|
|
462 |
if (!class_exists($classname)) {
|
|
|
463 |
throw new Exception(sprintf('Class \'%s\' doesn\'t exist', $classname));
|
|
|
464 |
}
|
|
|
465 |
|
|
|
466 |
$methodname = $ts[$last - 1]['value'];
|
|
|
467 |
|
|
|
468 |
if (!isset($GLOBALS[ltrim($methodname, '$')])) {
|
|
|
469 |
throw new Exception(sprintf('Variable \'%s\' is not set', $methodname));
|
|
|
470 |
}
|
|
|
471 |
$method = $GLOBALS[ltrim($methodname, '$')];
|
|
|
472 |
|
|
|
473 |
if (!in_array($method, get_class_methods($classname))) {
|
|
|
474 |
throw new Exception(sprintf("Class '%s' doesn't have a method named '%s'",
|
|
|
475 |
$classname, $method));
|
|
|
476 |
}
|
|
|
477 |
|
|
|
478 |
} else if ($last >= 2 &&
|
|
|
479 |
$ts[0]['token'] != T_CLASS && /* if we are not in a class definition */
|
|
|
480 |
$ts[$last - 1]['token'] == T_STRING &&
|
|
|
481 |
$ts[$last - 2]['token'] == T_NEW ) {
|
|
|
482 |
|
|
|
483 |
/* new Class() */
|
|
|
484 |
|
|
|
485 |
/* don't care about this in a class ... { ... } */
|
|
|
486 |
|
|
|
487 |
$classname = $ts[$last - 1]['value'];
|
|
|
488 |
|
|
|
489 |
if (!class_exists($classname)) {
|
|
|
490 |
throw new Exception(sprintf('Class \'%s\' doesn\'t exist', $classname));
|
|
|
491 |
}
|
|
|
492 |
|
|
|
493 |
$r = new ReflectionClass($classname);
|
|
|
494 |
|
|
|
495 |
if ($r->isAbstract()) {
|
|
|
496 |
throw new Exception(sprintf("Can't instantiate abstract Class '%s'", $classname));
|
|
|
497 |
}
|
|
|
498 |
|
|
|
499 |
if (!$r->isInstantiable()) {
|
|
|
500 |
throw new Exception(sprintf('Class \'%s\' can\'t be instantiated. Is the class abstract ?', $classname));
|
|
|
501 |
}
|
|
|
502 |
|
|
|
503 |
} else if ($last >= 2 &&
|
|
|
504 |
$ts[0]['token'] != T_CLASS && /* if we are not in a class definition */
|
|
|
505 |
$ts[$last - 1]['token'] == T_STRING &&
|
|
|
506 |
$ts[$last - 2]['token'] == T_FUNCTION ) {
|
|
|
507 |
|
|
|
508 |
/* make sure we are not a in class definition */
|
|
|
509 |
|
|
|
510 |
/* function a() */
|
|
|
511 |
|
|
|
512 |
$func = $ts[$last - 1]['value'];
|
|
|
513 |
|
|
|
514 |
if (function_exists($func)) {
|
|
|
515 |
throw new Exception(sprintf('Function \'%s\' is already defined', $func));
|
|
|
516 |
}
|
|
|
517 |
} else if ($last >= 4 &&
|
|
|
518 |
$ts[0]['token'] == T_CLASS &&
|
|
|
519 |
$ts[1]['token'] == T_STRING &&
|
|
|
520 |
$ts[$last - 1]['token'] == T_STRING &&
|
|
|
521 |
$ts[$last - 2]['token'] == T_FUNCTION ) {
|
|
|
522 |
|
|
|
523 |
/* make sure we are not a in class definition */
|
|
|
524 |
|
|
|
525 |
/* class a { .. function a() ... } */
|
|
|
526 |
|
|
|
527 |
$func = $ts[$last - 1]['value'];
|
|
|
528 |
$classname = $ts[1]['value'];
|
|
|
529 |
|
|
|
530 |
if (isset($methods[$func])) {
|
|
|
531 |
throw new Exception(sprintf("Can't redeclare method '%s' in Class '%s'", $func, $classname));
|
|
|
532 |
}
|
|
|
533 |
|
|
|
534 |
$methods[$func] = 1;
|
|
|
535 |
|
|
|
536 |
} else if ($last >= 1 &&
|
|
|
537 |
$ts[0]['token'] != T_CLASS && /* if we are not in a class definition */
|
|
|
538 |
$ts[0]['token'] != T_ABSTRACT && /* if we are not in a class definition */
|
|
|
539 |
$ts[1]['token'] != T_CLASS && /* if we are not in a class definition */
|
|
|
540 |
$ts[$last - 1]['token'] == T_STRING ) {
|
|
|
541 |
/* func() */
|
|
|
542 |
$funcname = $ts[$last - 1]['value'];
|
|
|
543 |
|
|
|
544 |
if (!function_exists($funcname)) {
|
|
|
545 |
throw new Exception(sprintf("Function %s() doesn't exist", $funcname));
|
|
|
546 |
}
|
|
|
547 |
} else if ($last >= 1 &&
|
|
|
548 |
$ts[0]['token'] != T_CLASS && /* if we are not in a class definition */
|
|
|
549 |
$ts[$last - 1]['token'] == T_VARIABLE ) {
|
|
|
550 |
|
|
|
551 |
/* $object has to exist and has to be a object */
|
|
|
552 |
$funcname = $ts[$last - 1]['value'];
|
|
|
553 |
|
|
|
554 |
if (!isset($GLOBALS[ltrim($funcname, '$')])) {
|
|
|
555 |
throw new Exception(sprintf('Variable \'%s\' is not set', $funcname));
|
|
|
556 |
}
|
|
|
557 |
$func = $GLOBALS[ltrim($funcname, '$')];
|
|
|
558 |
|
|
|
559 |
if (!function_exists($func)) {
|
|
|
560 |
throw new Exception(sprintf("Function %s() doesn't exist", $func));
|
|
|
561 |
}
|
|
|
562 |
|
|
|
563 |
}
|
|
|
564 |
|
|
|
565 |
array_push($braces, $token);
|
|
|
566 |
break;
|
|
|
567 |
case '{':
|
|
|
568 |
$need_return = 0;
|
|
|
569 |
|
|
|
570 |
if ($last >= 2 &&
|
|
|
571 |
$ts[$last - 1]['token'] == T_STRING &&
|
|
|
572 |
$ts[$last - 2]['token'] == T_CLASS ) {
|
|
|
573 |
|
|
|
574 |
/* class name { */
|
|
|
575 |
|
|
|
576 |
$classname = $ts[$last - 1]['value'];
|
|
|
577 |
|
|
|
578 |
if (class_exists($classname, false)) {
|
|
|
579 |
throw new Exception(sprintf("Class '%s' can't be redeclared", $classname));
|
|
|
580 |
}
|
|
|
581 |
} else if ($last >= 4 &&
|
|
|
582 |
$ts[$last - 1]['token'] == T_STRING &&
|
|
|
583 |
$ts[$last - 2]['token'] == T_EXTENDS &&
|
|
|
584 |
$ts[$last - 3]['token'] == T_STRING &&
|
|
|
585 |
$ts[$last - 4]['token'] == T_CLASS ) {
|
|
|
586 |
|
|
|
587 |
/* class classname extends classname { */
|
|
|
588 |
|
|
|
589 |
$classname = $ts[$last - 3]['value'];
|
|
|
590 |
$extendsname = $ts[$last - 1]['value'];
|
|
|
591 |
|
|
|
592 |
if (class_exists($classname, false)) {
|
|
|
593 |
throw new Exception(sprintf("Class '%s' can't be redeclared",
|
|
|
594 |
$classname));
|
|
|
595 |
}
|
|
|
596 |
if (!class_exists($extendsname, true)) {
|
|
|
597 |
throw new Exception(sprintf("Can't extend '%s' ... from not existing Class '%s'",
|
|
|
598 |
$classname, $extendsname));
|
|
|
599 |
}
|
|
|
600 |
} else if ($last >= 4 &&
|
|
|
601 |
$ts[$last - 1]['token'] == T_STRING &&
|
|
|
602 |
$ts[$last - 2]['token'] == T_IMPLEMENTS &&
|
|
|
603 |
$ts[$last - 3]['token'] == T_STRING &&
|
|
|
604 |
$ts[$last - 4]['token'] == T_CLASS ) {
|
|
|
605 |
|
|
|
606 |
/* class name implements interface { */
|
|
|
607 |
|
|
|
608 |
$classname = $ts[$last - 3]['value'];
|
|
|
609 |
$implements = $ts[$last - 1]['value'];
|
|
|
610 |
|
|
|
611 |
if (class_exists($classname, false)) {
|
|
|
612 |
throw new Exception(sprintf("Class '%s' can't be redeclared",
|
|
|
613 |
$classname));
|
|
|
614 |
}
|
|
|
615 |
if (!interface_exists($implements, false)) {
|
|
|
616 |
throw new Exception(sprintf("Can't implement not existing Interface '%s' for Class '%s'",
|
|
|
617 |
$implements, $classname));
|
|
|
618 |
}
|
|
|
619 |
}
|
|
|
620 |
|
|
|
621 |
array_push($braces, $token);
|
|
|
622 |
break;
|
|
|
623 |
case '}':
|
|
|
624 |
$need_return = 0;
|
|
|
625 |
case ')':
|
|
|
626 |
array_pop($braces);
|
|
|
627 |
break;
|
|
|
628 |
case '[':
|
|
|
629 |
if ($ts[0]['token'] != T_CLASS && /* if we are not in a class definition */
|
|
|
630 |
$ts[0]['token'] != T_ABSTRACT && /* if we are not in a class definition */
|
|
|
631 |
$ts[1]['token'] != T_CLASS && /* if we are not in a class definition */
|
|
|
632 |
$ts[$last - 1]['token'] == T_VARIABLE) {
|
|
|
633 |
/* $a[] only works on array and string */
|
|
|
634 |
|
|
|
635 |
/* $object has to exist and has to be a object */
|
|
|
636 |
$objname = $ts[$last - 1]['value'];
|
|
|
637 |
|
|
|
638 |
if (!isset($GLOBALS[ltrim($objname, '$')])) {
|
|
|
639 |
throw new Exception(sprintf('Variable \'%s\' is not set', $objname));
|
|
|
640 |
}
|
|
|
641 |
$obj = $GLOBALS[ltrim($objname, '$')];
|
|
|
642 |
|
|
|
643 |
if (is_object($obj)) {
|
|
|
644 |
throw new Exception(sprintf('Objects (%s) don\'t support array access operators', $objname));
|
|
|
645 |
}
|
|
|
646 |
}
|
|
|
647 |
break;
|
|
|
648 |
}
|
|
|
649 |
|
|
|
650 |
$eval .= $token;
|
|
|
651 |
}
|
|
|
652 |
}
|
|
|
653 |
|
|
|
654 |
$last = count($ts) - 1;
|
|
|
655 |
if ($last >= 2 &&
|
|
|
656 |
$ts[$last - 0]['token'] == T_STRING &&
|
|
|
657 |
$ts[$last - 1]['token'] == T_DOUBLE_COLON &&
|
|
|
658 |
$ts[$last - 2]['token'] == T_STRING ) {
|
|
|
659 |
|
|
|
660 |
/* Class::constant */
|
|
|
661 |
|
|
|
662 |
/* $object has to exist and has to be a object */
|
|
|
663 |
$classname = $ts[$last - 2]['value'];
|
|
|
664 |
|
|
|
665 |
if (!class_exists($classname)) {
|
|
|
666 |
throw new Exception(sprintf('Class \'%s\' doesn\'t exist', $classname));
|
|
|
667 |
}
|
|
|
668 |
|
|
|
669 |
$constname = $ts[$last - 0]['value'];
|
|
|
670 |
|
|
|
671 |
$c = new ReflectionClass($classname);
|
|
|
672 |
if (!$c->hasConstant($constname)) {
|
|
|
673 |
throw new Exception(sprintf("Class '%s' doesn't have a constant named '%s'",
|
|
|
674 |
$classname, $constname));
|
|
|
675 |
}
|
|
|
676 |
} else if ($last == 0 &&
|
|
|
677 |
$ts[$last - 0]['token'] == T_VARIABLE ) {
|
|
|
678 |
|
|
|
679 |
/* $var */
|
|
|
680 |
|
|
|
681 |
$varname = $ts[$last - 0]['value'];
|
|
|
682 |
|
|
|
683 |
if (!isset($GLOBALS[ltrim($varname, '$')])) {
|
|
|
684 |
throw new Exception(sprintf('Variable \'%s\' is not set', $varname));
|
|
|
685 |
}
|
|
|
686 |
}
|
|
|
687 |
|
|
|
688 |
|
|
|
689 |
$need_more = (count($braces) > 0) || $open_comment;
|
|
|
690 |
|
|
|
691 |
if ($need_more || ';' === $token) {
|
|
|
692 |
$need_semicolon = 0;
|
|
|
693 |
}
|
|
|
694 |
|
|
|
695 |
if ($need_return) {
|
|
|
696 |
$eval = "return ".$eval;
|
|
|
697 |
}
|
|
|
698 |
|
|
|
699 |
/* add a traling ; if necessary */
|
|
|
700 |
if ($need_semicolon)
|
|
|
701 |
{
|
|
|
702 |
$this->has_semicolon = preg_match('/;\s*$/', $eval);
|
|
|
703 |
$eval .= ';';
|
|
|
704 |
}
|
|
|
705 |
|
|
|
706 |
if (!$need_more) {
|
|
|
707 |
$this->code = $eval;
|
|
|
708 |
}
|
|
|
709 |
|
|
|
710 |
return $need_more;
|
|
|
711 |
}
|
|
|
712 |
|
|
|
713 |
/**
|
|
|
714 |
* show the prompt and fetch a single line
|
|
|
715 |
*
|
|
|
716 |
* uses readline() if avaialbe
|
|
|
717 |
*
|
|
|
718 |
* @return string a input-line
|
|
|
719 |
*/
|
|
|
720 |
public function readline() {
|
|
|
721 |
if (empty($this->code)) print PHP_EOL;
|
|
|
722 |
|
|
|
723 |
$prompt = (empty($this->code)) ? '>> ' : '.. ';
|
|
|
724 |
|
|
|
725 |
if (count($this->code_buffer) > 0) {
|
|
|
726 |
print $prompt;
|
|
|
727 |
|
|
|
728 |
$line = array_shift($this->code_buffer);
|
|
|
729 |
|
|
|
730 |
print $line.PHP_EOL;
|
|
|
731 |
|
|
|
732 |
return $line.PHP_EOL;
|
|
|
733 |
}
|
|
|
734 |
|
|
|
735 |
if ($this->have_readline) {
|
|
|
736 |
$l = readline($prompt);
|
|
|
737 |
|
|
|
738 |
readline_add_history($l);
|
|
|
739 |
} else {
|
|
|
740 |
print $prompt;
|
|
|
741 |
|
|
|
742 |
if (is_null($this->stdin)) {
|
|
|
743 |
if (false === ($this->stdin = fopen("php://stdin", "r"))) {
|
|
|
744 |
return false;
|
|
|
745 |
}
|
|
|
746 |
}
|
|
|
747 |
$l = fgets($this->stdin);
|
|
|
748 |
}
|
|
|
749 |
return $l;
|
|
|
750 |
}
|
|
|
751 |
|
|
|
752 |
/**
|
|
|
753 |
* get the inline help
|
|
|
754 |
*
|
|
|
755 |
* @return string the inline help as string
|
|
|
756 |
*/
|
|
|
757 |
public function cmdHelp($l) {
|
|
|
758 |
$o = 'Inline Help:'.PHP_EOL;
|
|
|
759 |
|
|
|
760 |
$cmds = PHP_Shell_Commands::getInstance()->getCommands();
|
|
|
761 |
|
|
|
762 |
$help = array();
|
|
|
763 |
foreach ($cmds as $cmd) {
|
|
|
764 |
$help[] = sprintf(' >> %s'.PHP_EOL.' %s'.PHP_EOL,
|
|
|
765 |
$cmd['command'],
|
|
|
766 |
$cmd['description']
|
|
|
767 |
);
|
|
|
768 |
}
|
|
|
769 |
|
|
|
770 |
return var_export(implode("\n", $help), 1);
|
|
|
771 |
}
|
|
|
772 |
|
|
|
773 |
/**
|
|
|
774 |
* get the license string
|
|
|
775 |
*
|
|
|
776 |
* @return string the inline help as string
|
|
|
777 |
*/
|
|
|
778 |
public function cmdLicense($l) {
|
|
|
779 |
$o = <<<EOF
|
|
|
780 |
(c) 2006 Jan Kneschke <jan@kneschke.de>
|
|
|
781 |
|
|
|
782 |
Permission is hereby granted, free of charge, to any person obtaining a copy of
|
|
|
783 |
this software and associated documentation files (the "Software"), to deal in
|
|
|
784 |
the Software without restriction, including without limitation the rights to
|
|
|
785 |
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
|
786 |
of the Software, and to permit persons to whom the Software is furnished to do
|
|
|
787 |
so, subject to the following conditions:
|
|
|
788 |
|
|
|
789 |
The above copyright notice and this permission notice shall be included in all
|
|
|
790 |
copies or substantial portions of the Software.
|
|
|
791 |
|
|
|
792 |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
793 |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
794 |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
795 |
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
796 |
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
797 |
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
|
798 |
SOFTWARE.
|
|
|
799 |
EOF;
|
|
|
800 |
|
|
|
801 |
return var_export($o, 1);
|
|
|
802 |
}
|
|
|
803 |
|
|
|
804 |
/**
|
|
|
805 |
* handle the 'quit' command
|
|
|
806 |
*
|
|
|
807 |
* @return bool false to leave the input() call
|
|
|
808 |
* @see input
|
|
|
809 |
*/
|
|
|
810 |
protected function cmdQuit($l) {
|
|
|
811 |
return false;
|
|
|
812 |
}
|
|
|
813 |
|
|
|
814 |
/**
|
|
|
815 |
* handle the input line
|
|
|
816 |
*
|
|
|
817 |
* read the input and handle the commands of the shell
|
|
|
818 |
*
|
|
|
819 |
* @return bool false on 'quit' or EOF, true otherwise
|
|
|
820 |
*/
|
|
|
821 |
public function input() {
|
|
|
822 |
$l = $this->readline();
|
|
|
823 |
|
|
|
824 |
/* got EOF ? */
|
|
|
825 |
if (false === $l) return false;
|
|
|
826 |
|
|
|
827 |
$l = trim($l);
|
|
|
828 |
|
|
|
829 |
if (empty($this->code)) {
|
|
|
830 |
$this->verbose = 0;
|
|
|
831 |
|
|
|
832 |
$cmds = PHP_Shell_Commands::getInstance()->getCommands();
|
|
|
833 |
|
|
|
834 |
foreach ($cmds as $cmd) {
|
|
|
835 |
if (preg_match($cmd['regex'], $l)) {
|
|
|
836 |
$obj = $cmd['obj'];
|
|
|
837 |
$func = $cmd['method'];
|
|
|
838 |
|
|
|
839 |
if (false === ($l = $obj->$func($l))) {
|
|
|
840 |
## quit
|
|
|
841 |
return false;
|
|
|
842 |
}
|
|
|
843 |
|
|
|
844 |
if (is_array($l)) {
|
|
|
845 |
$this->code_buffer = $l;
|
|
|
846 |
$l = '';
|
|
|
847 |
}
|
|
|
848 |
break;
|
|
|
849 |
}
|
|
|
850 |
}
|
|
|
851 |
}
|
|
|
852 |
|
|
|
853 |
$this->appendCode($l);
|
|
|
854 |
|
|
|
855 |
return true;
|
|
|
856 |
}
|
|
|
857 |
|
|
|
858 |
/**
|
|
|
859 |
* get the code-buffer
|
|
|
860 |
*
|
|
|
861 |
* @return string the code-buffer
|
|
|
862 |
*/
|
|
|
863 |
public function getCode() {
|
|
|
864 |
return $this->code;
|
|
|
865 |
return $code;
|
|
|
866 |
}
|
|
|
867 |
|
|
|
868 |
/**
|
|
|
869 |
* reset the code-buffer
|
|
|
870 |
*/
|
|
|
871 |
public function resetCode() {
|
|
|
872 |
$this->has_semicolon=false;
|
|
|
873 |
$this->code = '';
|
|
|
874 |
}
|
|
|
875 |
|
|
|
876 |
/**
|
|
|
877 |
* append code to the code-buffer
|
|
|
878 |
*
|
|
|
879 |
* @param string $code input buffer
|
|
|
880 |
*/
|
|
|
881 |
public function appendCode($code) {
|
|
|
882 |
if (strlen($code)) $code .= PHP_EOL;
|
|
|
883 |
|
|
|
884 |
$this->code .= $code;
|
|
|
885 |
}
|
|
|
886 |
|
|
|
887 |
/**
|
|
|
888 |
* check if readline support is enabled
|
|
|
889 |
*
|
|
|
890 |
* @return bool true if enabled, false otherwise
|
|
|
891 |
*/
|
|
|
892 |
public function hasReadline() {
|
|
|
893 |
return $this->have_readline;
|
|
|
894 |
}
|
|
|
895 |
|
|
|
896 |
/**
|
|
|
897 |
* get version of the class
|
|
|
898 |
*
|
|
|
899 |
* @return string version-string
|
|
|
900 |
*/
|
|
|
901 |
public function getVersion() {
|
|
|
902 |
return $this->version;
|
|
|
903 |
}
|
|
|
904 |
}
|
|
|
905 |
|
|
|
906 |
/**
|
|
|
907 |
* a readline completion callback
|
|
|
908 |
*
|
|
|
909 |
* @param string $str linebuffer
|
|
|
910 |
* @param integer $pos position in linebuffer
|
|
|
911 |
* @return array list of possible matches
|
|
|
912 |
*/
|
|
|
913 |
function __shell_readline_complete($str, $pos) {
|
|
|
914 |
$in = readline_info('line_buffer');
|
|
|
915 |
|
|
|
916 |
/**
|
|
|
917 |
* parse the line-buffer backwards to see if we have a
|
|
|
918 |
* - constant
|
|
|
919 |
* - function
|
|
|
920 |
* - variable
|
|
|
921 |
*/
|
|
|
922 |
|
|
|
923 |
$m = array();
|
|
|
924 |
|
|
|
925 |
if (preg_match('#\$([A-Za-z0-9_]+)->#', $in, $a)) {
|
|
|
926 |
/* check for $o->... */
|
|
|
927 |
$name = $a[1];
|
|
|
928 |
|
|
|
929 |
if (isset($GLOBALS[$name]) && is_object($GLOBALS[$name])) {
|
|
|
930 |
$c = get_class_methods($GLOBALS[$name]);
|
|
|
931 |
|
|
|
932 |
foreach ($c as $v) {
|
|
|
933 |
$m[] = $v.'(';
|
|
|
934 |
}
|
|
|
935 |
$c = get_class_vars(get_class($GLOBALS[$name]));
|
|
|
936 |
|
|
|
937 |
foreach ($c as $k => $v) {
|
|
|
938 |
$m[] = $k;
|
|
|
939 |
}
|
|
|
940 |
|
|
|
941 |
return $m;
|
|
|
942 |
}
|
|
|
943 |
} else if (preg_match('#\$([A-Za-z0-9_]+)\[([^\]]+)\]->#', $in, $a)) {
|
|
|
944 |
/* check for $o[...]->... */
|
|
|
945 |
$name = $a[1];
|
|
|
946 |
|
|
|
947 |
if (isset($GLOBALS[$name]) &&
|
|
|
948 |
is_array($GLOBALS[$name]) &&
|
|
|
949 |
isset($GLOBALS[$name][$a[2]])) {
|
|
|
950 |
|
|
|
951 |
$c = get_class_methods($GLOBALS[$name][$a[2]]);
|
|
|
952 |
|
|
|
953 |
foreach ($c as $v) {
|
|
|
954 |
$m[] = $v.'(';
|
|
|
955 |
}
|
|
|
956 |
$c = get_class_vars(get_class($GLOBALS[$name][$a[2]]));
|
|
|
957 |
|
|
|
958 |
foreach ($c as $k => $v) {
|
|
|
959 |
$m[] = $k;
|
|
|
960 |
}
|
|
|
961 |
return $m;
|
|
|
962 |
}
|
|
|
963 |
|
|
|
964 |
} else if (preg_match('#([A-Za-z0-9_]+)::#', $in, $a)) {
|
|
|
965 |
/* check for Class:: */
|
|
|
966 |
$name = $a[1];
|
|
|
967 |
|
|
|
968 |
if (class_exists($name, false)) {
|
|
|
969 |
$c = get_class_methods($name);
|
|
|
970 |
|
|
|
971 |
foreach ($c as $v) {
|
|
|
972 |
$m[] = sprintf('%s::%s(', $name, $v);
|
|
|
973 |
}
|
|
|
974 |
|
|
|
975 |
$cl = new ReflectionClass($name);
|
|
|
976 |
$c = $cl->getConstants();
|
|
|
977 |
|
|
|
978 |
foreach ($c as $k => $v) {
|
|
|
979 |
$m[] = sprintf('%s::%s', $name, $k);
|
|
|
980 |
}
|
|
|
981 |
|
|
|
982 |
return $m;
|
|
|
983 |
}
|
|
|
984 |
} else if (preg_match('#\$([a-zA-Z]?[a-zA-Z0-9_]*)$#', $in)) {
|
|
|
985 |
$m = array_keys($GLOBALS);
|
|
|
986 |
|
|
|
987 |
return $m;
|
|
|
988 |
} else if (preg_match('#new #', $in)) {
|
|
|
989 |
$c = get_declared_classes();
|
|
|
990 |
|
|
|
991 |
foreach ($c as $v) {
|
|
|
992 |
$m[] = $v.'(';
|
|
|
993 |
}
|
|
|
994 |
|
|
|
995 |
return $m;
|
|
|
996 |
} else if (preg_match('#^:set #', $in)) {
|
|
|
997 |
foreach (PHP_Shell_Options::getInstance()->getOptions() as $v) {
|
|
|
998 |
$m[] = $v;
|
|
|
999 |
}
|
|
|
1000 |
|
|
|
1001 |
return $m;
|
|
|
1002 |
}
|
|
|
1003 |
|
|
|
1004 |
$f = get_defined_functions();
|
|
|
1005 |
|
|
|
1006 |
foreach ($f['internal'] as $v) {
|
|
|
1007 |
$m[] = $v.'(';
|
|
|
1008 |
}
|
|
|
1009 |
|
|
|
1010 |
foreach ($f['user'] as $v) {
|
|
|
1011 |
$m[] = $v.'(';
|
|
|
1012 |
}
|
|
|
1013 |
|
|
|
1014 |
$c = get_declared_classes();
|
|
|
1015 |
|
|
|
1016 |
foreach ($c as $v) {
|
|
|
1017 |
$m[] = $v.'::';
|
|
|
1018 |
}
|
|
|
1019 |
|
|
|
1020 |
$c = get_defined_constants();
|
|
|
1021 |
|
|
|
1022 |
foreach ($c as $k => $v) {
|
|
|
1023 |
$m[] = $k;
|
|
|
1024 |
}
|
|
|
1025 |
|
|
|
1026 |
/* taken from http://de3.php.net/manual/en/reserved.php */
|
|
|
1027 |
$m[] = 'abstract';
|
|
|
1028 |
$m[] = 'and';
|
|
|
1029 |
$m[] = 'array(';
|
|
|
1030 |
$m[] = 'as';
|
|
|
1031 |
$m[] = 'break';
|
|
|
1032 |
$m[] = 'case';
|
|
|
1033 |
$m[] = 'catch';
|
|
|
1034 |
$m[] = 'class';
|
|
|
1035 |
$m[] = 'const';
|
|
|
1036 |
$m[] = 'continue';
|
|
|
1037 |
# $m[] = 'declare';
|
|
|
1038 |
$m[] = 'default';
|
|
|
1039 |
$m[] = 'die(';
|
|
|
1040 |
$m[] = 'do';
|
|
|
1041 |
$m[] = 'echo(';
|
|
|
1042 |
$m[] = 'else';
|
|
|
1043 |
$m[] = 'elseif';
|
|
|
1044 |
$m[] = 'empty(';
|
|
|
1045 |
# $m[] = 'enddeclare';
|
|
|
1046 |
$m[] = 'eval(';
|
|
|
1047 |
$m[] = 'exception';
|
|
|
1048 |
$m[] = 'extends';
|
|
|
1049 |
$m[] = 'exit(';
|
|
|
1050 |
$m[] = 'extends';
|
|
|
1051 |
$m[] = 'final';
|
|
|
1052 |
$m[] = 'for (';
|
|
|
1053 |
$m[] = 'foreach (';
|
|
|
1054 |
$m[] = 'function';
|
|
|
1055 |
$m[] = 'global';
|
|
|
1056 |
$m[] = 'if';
|
|
|
1057 |
$m[] = 'implements';
|
|
|
1058 |
$m[] = 'include "';
|
|
|
1059 |
$m[] = 'include_once "';
|
|
|
1060 |
$m[] = 'interface';
|
|
|
1061 |
$m[] = 'isset(';
|
|
|
1062 |
$m[] = 'list(';
|
|
|
1063 |
$m[] = 'new';
|
|
|
1064 |
$m[] = 'or';
|
|
|
1065 |
$m[] = 'print(';
|
|
|
1066 |
$m[] = 'private';
|
|
|
1067 |
$m[] = 'protected';
|
|
|
1068 |
$m[] = 'public';
|
|
|
1069 |
$m[] = 'require "';
|
|
|
1070 |
$m[] = 'require_once "';
|
|
|
1071 |
$m[] = 'return';
|
|
|
1072 |
$m[] = 'static';
|
|
|
1073 |
$m[] = 'switch (';
|
|
|
1074 |
$m[] = 'throw';
|
|
|
1075 |
$m[] = 'try';
|
|
|
1076 |
$m[] = 'unset(';
|
|
|
1077 |
# $m[] = 'use';
|
|
|
1078 |
$m[] = 'var';
|
|
|
1079 |
$m[] = 'while';
|
|
|
1080 |
$m[] = 'xor';
|
|
|
1081 |
$m[] = '__FILE__';
|
|
|
1082 |
$m[] = '__FUNCTION__';
|
|
|
1083 |
$m[] = '__CLASS__';
|
|
|
1084 |
$m[] = '__LINE__';
|
|
|
1085 |
$m[] = '__METHOD__';
|
|
|
1086 |
|
|
|
1087 |
# printf("%s ... %s\n", $str, $pos);
|
|
|
1088 |
return $m;
|
|
|
1089 |
}
|
|
|
1090 |
|
|
|
1091 |
|