WIP on creating new CodeFrames using nette

composer.json

@@ -31,7 +31,8 @@
     },
     "require": {
         "php": "^7.2 || ^8.0",
-        "symfony/polyfill-mbstring": "^1.27"
+        "symfony/polyfill-mbstring": "^1.27",
+        "nette/php-generator": "^3.6"
     },
     "autoload": {
         "psr-4" : {

src/CodeFrame/Base.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Smarty\CodeFrame;
+
+abstract class Base {
+
+	/**
+	 * @var \Smarty\Smarty
+	 */
+	private $smarty;
+
+	public function __construct(\Smarty\Smarty $smarty) {
+		$this->smarty = $smarty;
+	}
+
+	public function isFresh(\Smarty\Template $template): bool {
+		return $template->isFresh($this->getProperties(), $this->isCache());
+	}
+
+	protected function isCache(): bool {
+		return false;
+	}
+
+	abstract protected function getProperties(): array;
+}

src/CodeFrame/Cached.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Smarty\CodeFrame;
+
+abstract class Cached extends Base {
+
+	protected function isCache(): bool {
+		return true;
+	}
+}

src/Compiler/CodeFrame.php

@@ -43,8 +43,29 @@ class CodeFrame
         $cache = false,
         \Smarty\Compiler\Template $compiler = null
     ) {
+
+		$className = ($cache ? 'Cached' : 'Compiled') . str_replace(array('.', ','), '_', uniqid('', true));
+	    $properties = [];
+
+	    $properties['version'] = \Smarty\Smarty::SMARTY_VERSION;
+
+	    $file = new \Nette\PhpGenerator\PhpFile;
+	    $file->addComment('This file is auto-generated.');
+	    $class = $file->addClass($className);
+
+		$class
+			->setFinal()
+			->setExtends($cache ? \Smarty\CodeFrame\Cached::class : \Smarty\CodeFrame\Base::class)
+			->addComment(sprintf(
+				"Created on %s from '%s'",
+				$properties[ 'version' ],
+				date("Y-m-d H:i:s"),
+				str_replace('*/', '* /', $this->_template->getSource()->filepath)
+			));
+
+	    $dumper = new \Nette\PhpGenerator\Dumper;
+
         // build property code
-        $properties[ 'version' ] = \Smarty\Smarty::SMARTY_VERSION;
         $properties[ 'unifunc' ] = 'content_' . str_replace(array('.', ','), '_', uniqid('', true));
         if (!$cache) {
             $properties[ 'has_nocache_code' ] = $this->_template->getCompiled()->getNocacheCode();
@@ -55,8 +76,16 @@ class CodeFrame
             $properties[ 'file_dependency' ] = $this->_template->getCached()->file_dependency;
             $properties[ 'cache_lifetime' ] = $this->_template->cache_lifetime;
         }
-        $output = sprintf(
-			"<?php\n/* Smarty version %s, created on %s\n  from '%s' */\n\n",
+
+	    $class->addMethod('getProperties')
+		    ->setProtected()
+		    ->setReturnType('array') // method return type
+		    ->setBody('return ' . $dumper->dump($properties) . ';');
+
+	    $output = (string) $file;
+
+        $output .= sprintf(
+			"\n/* Created on %s\n  from '%s' */\n\n",
             $properties[ 'version' ],
 	        date("Y-m-d H:i:s"),
 	        str_replace('*/', '* /', $this->_template->getSource()->filepath)