Improve #41

docs/syntax.md

@@ -1,11 +1,11 @@
 Syntax [RU]
 ===========
 
-Fenom have [Smarty](http://www.smarty.net/) like syntax.
+Fenom implement [Smarty](http://www.smarty.net/) syntax with some improvements
 
 ## Variable
 
-### Get/print value
+### Use variables
 
 ```smarty
 {$foo}
@@ -20,7 +20,31 @@ Fenom have [Smarty](http://www.smarty.net/) like syntax.
 {$foo.$bar}
 {$foo[$bar]}
 {$foo->bar}
-{$foo->bar()}
+{$foo->bar.buz}
+```
+
+### System variable
+
+Unnamed system variable starts with `$.` and allow access to global variables and system info:
+
+* `$.get` is `$_GET`.
+* `$.post` is `$_POST`.
+* `$.cookie` is `$_COOKIE`.
+* `$.session` is `$_SESSION`.
+* `$.globals` is `$GLOBALS`.
+* `$.request` is `$_REQUEST`.
+* `$.files` is `$_FILES`.
+* `$.server` is `$_SERVER`.
+* `$.env` is `$_ENV`.
+* `$.tpl.name` returns current template name.
+* `$.tpl.schema` returns current schema of the template.
+* `$.version` returns version of the Fenom.
+* `$.const` paste constant.
+
+```smarty
+{if $.get.debug? && $.const.DEBUG}
+   ...
+{/if}
 ```
 
 ### Multidimensional value support

src/Fenom/Compiler.php

@@ -33,14 +33,6 @@ class Compiler
     public static function tagInclude(Tokenizer $tokens, Template $tpl)
     {
         $name = false;
-//        if($tokens->is('[')) {
-//            $tokens->next();
-//            if(!$name && $tokens->is(T_CONSTANT_ENCAPSED_STRING)) {
-//                if($tpl->getStorage()->templateExists($_name = substr($tokens->getAndNext(), 1, -1))) {
-//                    $name = $_name;
-//                }
-//            }
-//        }
         $cname = $tpl->parsePlainArg($tokens, $name);
         $p = $tpl->parseParams($tokens);
         if ($p) { // if we have additionally variables
@@ -706,7 +698,7 @@ class Compiler
      */
     public static function varOpen(Tokenizer $tokens, Scope $scope)
     {
-        $var = $scope->tpl->parseVariable($tokens, Template::DENY_MODS);
+        $var = $scope->tpl->parseVar($tokens);
         if ($tokens->is('=')) { // inline tag {var ...}
             $scope->is_closed = true;
             $tokens->next();

src/Fenom/Render.php

@@ -235,4 +235,22 @@ class Render extends \ArrayObject
     {
         throw new \BadMethodCallException("Unknown method " . $method);
     }
+
+    public function __get($name)
+    {
+        if($name == 'info') {
+            return array(
+                'name' => $this->_name,
+                'schema' => $this->_scm,
+                'time' => $this->_time
+            );
+        } else {
+            return null;
+        }
+    }
+
+    public function __isset($name)
+    {
+        return $name == 'info';
+    }
 }

src/Fenom/Template.php

@@ -918,15 +918,16 @@ class Template extends Render
     {
         $is_var = false;
         $vars = array(
-            'get' => '$_GET',
-            'post' => '$_POST',
+            'get'     => '$_GET',
+            'post'    => '$_POST',
             'session' => '$_SESSION',
-            'cookie' => '$_COOKIE',
+            'cookie'  => '$_COOKIE',
             'request' => '$_REQUEST',
-            'files' => '$_FILES',
+            'files'   => '$_FILES',
             'globals' => '$GLOBALS',
-            'server' => '$_SERVER',
-            'env' => '$_ENV',
+            'server'  => '$_SERVER',
+            'env'     => '$_ENV',
+            'tpl'     => '$tpl->info'
         );
         if ($this->_options & Fenom::DENY_ACCESSOR) {
             throw new \LogicException("Accessor are disabled");
@@ -948,12 +949,6 @@ class Template extends Render
             case 'version':
                 $var = '\Fenom::VERSION';
                 break;
-            case 'tpl':
-                $var = '$tpl->getName()';
-                break;
-            case 'schema':
-                $var = '$tpl->getScm()';
-                break;
             default:
                 throw new UnexpectedTokenException($tokens);
         }