Index: trunk/include/smarty/libs/Smarty_Compiler.class.php
===================================================================
--- trunk/include/smarty/libs/Smarty_Compiler.class.php	(revision 2538)
+++ trunk/include/smarty/libs/Smarty_Compiler.class.php	(revision 2961)
@@ -19,13 +19,13 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
- * @link http://smarty.php.net/
+ * @link http://www.smarty.net/
  * @author Monte Ohrt <monte at ohrt dot com>
  * @author Andrei Zmievski <andrei@php.net>
- * @version 2.6.20
+ * @version 2.6.21
  * @copyright 2001-2005 New Digital Group, Inc.
  * @package Smarty
  */
 
-/* $Id: Smarty_Compiler.class.php 2773 2008-08-12 18:17:51Z Uwe.Tews $ */
+/* $Id: Smarty_Compiler.class.php 2797 2008-09-22 19:26:32Z monte.ohrt $ */
 
 /**
@@ -74,4 +74,7 @@
     var $_strip_depth           =   0;
     var $_additional_newline    =   "\n";
+    
+    var $_phpversion            =   0;
+
 
     /**#@-*/
@@ -81,4 +84,6 @@
     function Smarty_Compiler()
     {
+        $this->_phpversion = substr(phpversion(),0,1);
+
         // matches double quoted strings:
         // "foobar"
@@ -153,14 +158,18 @@
         // $foo->bar($foo->bar())
         // $foo->bar($foo->bar($blah,$foo,44,"foo",$foo[0].bar))
+        // $foo->getBar()->getFoo()
+        // $foo->getBar()->foo
         $this->_obj_ext_regexp = '\->(?:\$?' . $this->_dvar_guts_regexp . ')';
         $this->_obj_restricted_param_regexp = '(?:'
-                . '(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')(?:' . $this->_obj_ext_regexp . '(?:\((?:(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')'
-                . '(?:\s*,\s*(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . '))*)?\))?)*)';
-        $this->_obj_single_param_regexp = '(?:\w+|' . $this->_obj_restricted_param_regexp . '(?:\s*,\s*(?:(?:\w+|'
+             . '(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')(?:' . $this->_obj_ext_regexp . '(?:\((?:(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')'
+             . '(?:\s*,\s*(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . '))*)?\))?)*)';
+
+       $this->_obj_single_param_regexp = '(?:\w+|' . $this->_obj_restricted_param_regexp . '(?:\s*,\s*(?:(?:\w+|'
                 . $this->_var_regexp . $this->_obj_restricted_param_regexp . ')))*)';
-        $this->_obj_params_regexp = '\((?:' . $this->_obj_single_param_regexp
+
+       $this->_obj_params_regexp = '\((?:' . $this->_obj_single_param_regexp
                 . '(?:\s*,\s*' . $this->_obj_single_param_regexp . ')*)?\)';
-        $this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:' . $this->_obj_ext_regexp . ')+)';
-        $this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:' . $this->_obj_params_regexp . ')?(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?)';
+       $this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:' . $this->_obj_ext_regexp . ')+)';
+       $this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:' . $this->_obj_params_regexp . '(?:' . $this->_obj_ext_regexp . '(?:'.$this->_obj_params_regexp . ')?)*' . ')?(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?)';
         
         // matches valid modifier syntax:
@@ -1697,4 +1706,6 @@
         // replace double quoted literal string with single quotes
         $_return = preg_replace('~^"([\s\w]+)"$~',"'\\1'",$_return);
+        // escape dollar sign if not printing a var
+        $_return = preg_replace('~\$(\W)~',"\\\\\$\\1",$_return);
         return $_return;
     }
@@ -1710,4 +1721,5 @@
     {
         $_has_math = false;
+        $_has_php4_method_chaining = false;
         $_math_vars = preg_split('~('.$this->_dvar_math_regexp.'|'.$this->_qstr_regexp.')~', $var_expr, -1, PREG_SPLIT_DELIM_CAPTURE);
 
@@ -1822,4 +1834,8 @@
                         }
                     } else {
+                       if ($this->_phpversion < 5) {
+                         $_has_php4_method_chaining = true;
+                         $_output .= "; \$_foo = \$_foo";
+                       }
                         $_output .= $_index;
                     }
@@ -1833,5 +1849,10 @@
         }
 
-        return $_output;
+        if ($_has_php4_method_chaining) {
+           $_tmp = str_replace("'","\'",'$_foo = '.$_output.'; return $_foo;');
+           return "eval('".$_tmp."')";
+        } else {
+           return $_output; 
+        }
     }
 
