new file mode 100644
--- /dev/null
+++ b/library/smarty/libs/sysplugins/smarty_internal_config_file_compiler.php
@@ -0,0 +1,186 @@
+<?php
+/**
+ * Smarty Internal Plugin Config File Compiler
+ * This is the config file compiler class. It calls the lexer and parser to
+ * perform the compiling.
+ *
+ * @package    Smarty
+ * @subpackage Config
+ * @author     Uwe Tews
+ */
+
+/**
+ * Main config file compiler class
+ *
+ * @package    Smarty
+ * @subpackage Config
+ */
+class Smarty_Internal_Config_File_Compiler {
+    /**
+     * Lexer class name
+     *
+     * @var string
+     */
+    public $lexer_class;
+
+    /**
+     * Parser class name
+     *
+     * @var string
+     */
+    public $parser_class;
+    /**
+     * Lexer object
+     *
+     * @var object
+     */
+    public $lex;
+
+    /**
+     * Parser object
+     *
+     * @var object
+     */
+    public $parser;
+
+    /**
+     * Smarty object
+     *
+     * @var Smarty object
+     */
+    public $smarty;
+
+    /**
+     * Smarty object
+     *
+     * @var Smarty_Internal_Template object
+     */
+    public $template;
+
+    /**
+     * Compiled config data sections and variables
+     *
+     * @var array
+     */
+    public $config_data = array();
+
+    /**
+     * compiled config data must always be written
+     *
+     * @var bool
+     */
+    public $write_compiled_code = true;
+
+    /**
+     * Initialize compiler
+     *
+     * @param string $lexer_class class name
+     * @param string $parser_class class name
+     * @param Smarty $smarty global instance
+     */
+    public function __construct($lexer_class, $parser_class, Smarty $smarty) {
+        $this->smarty = $smarty;
+        // get required plugins
+        $this->lexer_class = $lexer_class;
+        $this->parser_class = $parser_class;
+        $this->smarty = $smarty;
+        $this->config_data['sections'] = array();
+        $this->config_data['vars'] = array();
+    }
+
+    /**
+     * Method to compile Smarty config source.
+     *
+     * @param Smarty_Internal_Template $template
+     *
+     * @return bool true if compiling succeeded, false if it failed
+     */
+    public function compileTemplate(Smarty_Internal_Template $template) {
+        $this->template = $template;
+        $this->template->properties['file_dependency'][$this->template->source->uid] = array($this->template->source->name, $this->template->source->timestamp, $this->template->source->type);
+        // on empty config just return
+        if ($template->source->content == '') {
+            return true;
+        }
+        if ($this->smarty->debugging) {
+            Smarty_Internal_Debug::start_compile($this->template);
+        }
+        // init the lexer/parser to compile the config file
+        $lex = new $this->lexer_class(str_replace(array("\r\n", "\r"), "\n", $template->source->content) . "\n", $this);
+        $parser = new $this->parser_class($lex, $this);
+
+        if (function_exists('mb_internal_encoding') && ((int)ini_get('mbstring.func_overload')) & 2) {
+            $mbEncoding = mb_internal_encoding();
+            mb_internal_encoding('ASCII');
+        } else {
+            $mbEncoding = null;
+        }
+
+        if ($this->smarty->_parserdebug) {
+            $parser->PrintTrace();
+        }
+        // get tokens from lexer and parse them
+        while ($lex->yylex()) {
+            if ($this->smarty->_parserdebug) {
+                echo "<br>Parsing  {$parser->yyTokenName[$lex->token]} Token {$lex->value} Line {$lex->line} \n";
+            }
+            $parser->doParse($lex->token, $lex->value);
+        }
+        // finish parsing process
+        $parser->doParse(0, 0);
+
+        if ($mbEncoding) {
+            mb_internal_encoding($mbEncoding);
+        }
+        if ($this->smarty->debugging) {
+            Smarty_Internal_Debug::end_compile($this->template);
+        }
+        // template header code
+        $template_header = "<?php /* Smarty version " . Smarty::SMARTY_VERSION . ", created on " . strftime("%Y-%m-%d %H:%M:%S") . "\n";
+        $template_header .= "         compiled from \"" . $this->template->source->filepath . "\" */ ?>\n";
+
+        $code = '<?php Smarty_Internal_Extension_Config::loadConfigVars($_smarty_tpl, ' . var_export($this->config_data, true) . '); ?>';
+        return $template_header . Smarty_Internal_Extension_CodeFrame::create($this->template, $code);
+    }
+
+    /**
+     * display compiler error messages without dying
+     * If parameter $args is empty it is a parser detected syntax error.
+     * In this case the parser is called to obtain information about expected tokens.
+     * If parameter $args contains a string this is used as error message
+     *
+     * @param string $args individual error message or null
+     *
+     * @throws SmartyCompilerException
+     */
+    public function trigger_config_file_error($args = null) {
+        $this->lex = Smarty_Internal_Configfilelexer::instance();
+        $this->parser = Smarty_Internal_Configfileparser::instance();
+        // get config source line which has error
+        $line = $this->lex->line;
+        if (isset($args)) {
+            // $line--;
+        }
+        $match = preg_split("/\n/", $this->lex->data);
+        $error_text = "Syntax error in config file '{$this->template->source->filepath}' on line {$line} '{$match[$line - 1]}' ";
+        if (isset($args)) {
+            // individual error message
+            $error_text .= $args;
+        } else {
+            // expected token from parser
+            foreach ($this->parser->yy_get_expected_tokens($this->parser->yymajor) as $token) {
+                $exp_token = $this->parser->yyTokenName[$token];
+                if (isset($this->lex->smarty_token_names[$exp_token])) {
+                    // token type from lexer
+                    $expect[] = '"' . $this->lex->smarty_token_names[$exp_token] . '"';
+                } else {
+                    // otherwise internal token name
+                    $expect[] = $this->parser->yyTokenName[$token];
+                }
+            }
+            // output parser error message
+            $error_text .= ' - Unexpected "' . $this->lex->value . '", expected one of: ' . implode(' , ', $expect);
+        }
+        throw new SmartyCompilerException($error_text);
+    }
+}