- do not recompile evaluated templates if reused just with other data

- recompile config files when config properties did change
- some lexer/parser otimizations

change_log.txt

@@ -1,3 +1,8 @@
+10/13/2009
+- do not recompile evaluated templates if reused just with other data
+- recompile config files when config properties did change
+- some lexer/parser otimizations
+
 10/11/2009
 - allow {block} tags inside included templates
 - bugfix for resource plugins in Smarty2 format

libs/Smarty.class.php

@@ -122,6 +122,8 @@ class Smarty extends Smarty_Internal_TemplateBase {
     public $compile_error = false; 
     // caching enabled
     public $caching = false; 
+    // merge compiled includea
+    public $merge_compiled_includes = true; 
     // cache lifetime
     public $cache_lifetime = 0; 
     // force cache file creation
@@ -151,7 +153,7 @@ class Smarty extends Smarty_Internal_TemplateBase {
     // config var settings
     public $config_overwrite = true; //Controls whether variables with the same name overwrite each other.
     public $config_booleanize = true; //Controls whether config values of on/true/yes and off/false/no get converted to boolean
-    public $config_read_hidden = true; //Controls whether hidden config sections/vars are read from the file.                            
+    public $config_read_hidden = true; //Controls whether hidden config sections/vars are read from the file.                              
     // config vars
     public $config_vars = array(); 
     // assigned tpl vars
@@ -179,7 +181,7 @@ class Smarty extends Smarty_Internal_TemplateBase {
     // check If-Modified-Since headers
     public $cache_modified_check = false; 
     // cached objects
-    public $resource_objects = array();
+    public $resource_objects = array(); 
     // registered plugins
     public $registered_plugins = array(); 
     // plugin search order
@@ -286,6 +288,7 @@ class Smarty extends Smarty_Internal_TemplateBase {
     */
     public function fetch($template, $cache_id = null, $compile_id = null, $parent = null)
     {
+        $this->checkDebugging();
         if (is_object($cache_id)) {
             $parent = $cache_id;
             $cache_id = null;
@@ -315,18 +318,15 @@ class Smarty extends Smarty_Internal_TemplateBase {
     * @param object $parent next higher level of Smarty variables
     */
     public function display($template, $cache_id = null, $compile_id = null, $parent = null)
-    { 
+    {
         if (is_object($cache_id)) {
             $parent = $cache_id;
             $cache_id = null;
         } 
         // display template
         echo $this->fetch ($template, $cache_id, $compile_id, $parent); 
-        // debug output?
-        if ($this->debugging) {
-            $this->loadPlugin('Smarty_Internal_Debug');
-            Smarty_Internal_Debug::display_debug($this);
-        } 
+        // debug output
+        $this->displayDebugInfo();
         return true;
     } 
 
@@ -340,6 +340,7 @@ class Smarty extends Smarty_Internal_TemplateBase {
     */
     public function is_cached($template, $cache_id = null, $compile_id = null)
     {
+        $this->checkDebugging();
         if (!($template instanceof $this->template_class)) {
             $template = $this->createTemplate ($template, $cache_id, $compile_id, $this);
         } 
@@ -492,6 +493,26 @@ class Smarty extends Smarty_Internal_TemplateBase {
         return set_exception_handler($handler);
     } 
 
+    /**
+    * Check if debugging handler must be loaded
+    */
+    public function checkDebugging()
+    {
+        if ($this->debugging && !class_exists('Smarty_Internal_Debug', false)) {
+            $this->loadPlugin('Smarty_Internal_Debug');
+        } 
+    } 
+
+    /**
+    * Display debug info
+    */
+    public function displayDebugInfo()
+    {
+        if ($this->debugging) {
+            Smarty_Internal_Debug::display_debug($this);
+        } 
+    } 
+
     /**
     * trigger Smarty error
     * 
@@ -499,8 +520,7 @@ class Smarty extends Smarty_Internal_TemplateBase {
     * @param integer $error_type 
     */
     public function trigger_error($error_msg, $error_type = E_USER_WARNING)
-    { 
-        // trigger_error("Smarty error: $error_msg", $error_type);
+    {
         throw new Exception("Smarty error: $error_msg");
     } 
 

libs/sysplugins/internal.compile_include.php

@@ -30,7 +30,7 @@ class Smarty_Internal_Compile_Include extends Smarty_Internal_CompileBase {
         // save posible attributes
         $include_file = $_attr['file'];
         $has_compiled_template = false;
-        if (true) {
+        if ($compiler->smarty->merge_compiled_includes) {
             // check if compiled code can be merged
             if (strpos($include_file, '$_smarty_tpl') === false) {
                 eval("\$tmp = $include_file;");
@@ -134,20 +134,21 @@ class Smarty_Internal_Compile_Include extends Smarty_Internal_CompileBase {
         $_output .= "\$_template->caching = $_caching;"; 
         // was there an assign attribute
         if (isset($_assign)) {
-            $_output .= "\$_smarty_tpl->assign($_assign,\$_smarty_tpl->smarty->fetch(\$_template)); ?>";
+            $_output .= "\$_smarty_tpl->assign($_assign,\$_template->fetch()); ?>";
         } else {
             if ($has_compiled_template) {
                 $_output .= " \$_tpl_stack[] = \$_smarty_tpl; \$_smarty_tpl = \$_template;?>\n";
                 $_output .= $compiled_tpl . "<?php /*  End of included template \"" . $tpl->getTemplateFilepath() . "\" */ ?>";;
                 $_output .= "<?php  \$_smarty_tpl = array_pop(\$_tpl_stack);?>";
             } else {
-                $_output .= " echo \$_smarty_tpl->smarty->fetch(\$_template); ?>";
+                $_output .= " echo \$_template->fetch(); ?>";
             } 
         } 
         if ($_parent_scope != SMARTY_LOCAL_SCOPE) {
             $_output .= "<?php \$_template->updateParentVariables($_parent_scope); ?>";
         } 
-        return $_output;
+           $_output .= "<?php unset(\$_template); ?>";
+         return $_output;
     } 
 } 
 

libs/sysplugins/internal.config.php

@@ -131,7 +131,9 @@ class Smarty_Internal_Config {
     } 
     public function buildCompiledFilepath()
     {
-        $_filepath = (string)abs(crc32($this->config_resource_name)); 
+        $_flag = (int)$this->smarty->config_read_hidden + (int)$this->smarty->config_booleanize * 2 +
+        (int)$this->smarty->config_overwrite * 4;
+        $_filepath = (string)abs(crc32($this->config_resource_name . $_flag)); 
         // if use_sub_dirs, break file into directories
         if ($this->smarty->use_sub_dirs) {
             $_filepath = substr($_filepath, 0, 3) . DS

libs/sysplugins/internal.template.php

@@ -415,7 +415,7 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase {
     public function renderTemplate ()
     {
         if ($this->usesCompiler()) {
-            if ($this->mustCompile()) {
+            if ($this->mustCompile() && $this->compiled_template === null) {
                 $this->compileTemplateSource();
             } 
             $_smarty_tpl = $this;

libs/sysplugins/internal.templatelexer.php

@@ -82,6 +82,7 @@ class Smarty_Internal_Templatelexer
         $this->rdel = preg_quote($this->smarty->right_delimiter);
         $this->smarty_token_names['LDEL'] =	$this->smarty->left_delimiter;
         $this->smarty_token_names['RDEL'] =	$this->smarty->right_delimiter;
+        $this->tag = false;
      }
     public static function &instance($new_instance = null)
     {
@@ -462,11 +463,13 @@ class Smarty_Internal_Templatelexer
     {
 
   $this->token = Smarty_Internal_Templateparser::TP_LDEL;
+  $this->tag = true;
     }
     function yy_r1_19($yy_subpatterns)
     {
 
   $this->token = Smarty_Internal_Templateparser::TP_RDEL;
+  $this->tag = false;
     }
     function yy_r1_20($yy_subpatterns)
     {