From 788566cf70752584e804185b0f39dc4446aabbc6 Mon Sep 17 00:00:00 2001
From: uwetews <uwe.tews@googlemail.com>
Date: Thu, 8 Oct 2015 19:53:25 +0200
Subject: [PATCH] - bugfix {if $foo instanceof $bar} failed to compile if 2nd
 value is a variable https://github.com/smarty-php/smarty/issues/92 (reverted
 from commit 428e6674533ac13f28234f974e8b8d5f4d2d9e73)

---
 lexer/smarty_internal_templateparser.y | 40 ++++++--------------------
 1 file changed, 8 insertions(+), 32 deletions(-)

diff --git a/lexer/smarty_internal_templateparser.y b/lexer/smarty_internal_templateparser.y
index f0b262b8..f693592a 100644
--- a/lexer/smarty_internal_templateparser.y
+++ b/lexer/smarty_internal_templateparser.y
@@ -31,68 +31,58 @@ class Smarty_Internal_Templateparser
      * @var bool
      */
     public $successful = true;
-
     /**
      * return value
      *
      * @var mixed
      */
     public $retvalue = 0;
-
     /**
      * counter for prefix code
      *
      * @var int
      */
     public static $prefix_number = 0;
-
     /**
      * @var
      */
     public $yymajor;
-
     /**
      * last index of array variable
      *
      * @var mixed
      */
     public $last_index;
-
     /**
      * last variable name
      *
      * @var string
      */
     public $last_variable;
-
     /**
      * root parse tree buffer
      *
      * @var Smarty_Internal_ParseTree
      */
     public $root_buffer;
-
     /**
      * current parse tree object
      *
      * @var Smarty_Internal_ParseTree
      */
     public $current_buffer;
-
     /**
      * lexer object
      *
      * @var Smarty_Internal_Templatelexer
      */
     public $lex;
-
     /**
      * internal error flag
      *
      * @var bool
      */
     private $internalError = false;
-
     /**
      * {strip} status
      *
@@ -105,21 +95,18 @@ class Smarty_Internal_Templateparser
      * @var Smarty_Internal_TemplateCompilerBase
      */
     public $compiler = null;
-
     /**
      * smarty object
      *
      * @var Smarty
      */
     public $smarty = null;
-
     /**
      * template object
      *
      * @var Smarty_Internal_Template
      */
     public $template = null;
-
     /**
      * block nesting level
      *
@@ -134,20 +121,6 @@ class Smarty_Internal_Templateparser
      */
     public $security = null;
 
-    /**
-     * template prefix array
-     *
-     * @var \Smarty_Internal_ParseTree[]
-     */
-    public $template_prefix = array();
-
-    /**
-     * security object
-     *
-     * @var \Smarty_Internal_ParseTree[]
-     */
-    public $template_postfix = array();
-
     /**
      * constructor
      *
@@ -223,8 +196,7 @@ class Smarty_Internal_Templateparser
     // complete template
     //
 start(res)       ::= template. {
-    $this->root_buffer->prepend_array($this, $this->template_prefix);
-    $this->root_buffer->append_array($this, $this->template_postfix);
+    $this->compiler->processInheritance($this);
     res = $this->root_buffer->to_smarty_php($this);
 }
 
@@ -822,7 +794,7 @@ value(res)    ::= varindexed(vi) DOUBLECOLON static_class_access(r). {
     self::$prefix_number++;
     if (vi['var'] == '\'smarty\'') {
         $this->compiler->prefix_code[] = '<?php $_tmp'.self::$prefix_number.' = '. $this->compiler->compileTag('private_special_variable',array(),vi['smarty_internal_index']).';?>';
-     } else {
+    } else {
         $this->compiler->prefix_code[] = '<?php $_tmp'.self::$prefix_number.' = '. $this->compiler->compileVariable(vi['var']).vi['smarty_internal_index'].';?>';
     }
     res = '$_tmp'.self::$prefix_number.'::'.r[0].r[1];
@@ -830,7 +802,7 @@ value(res)    ::= varindexed(vi) DOUBLECOLON static_class_access(r). {
 
                   // Smarty tag
 value(res)       ::= smartytag(st). {
-   self::$prefix_number++;
+    self::$prefix_number++;
     $tmp = $this->compiler->appendCode('<?php ob_start();?>', st);
     $this->compiler->prefix_code[] = $this->compiler->appendCode($tmp, '<?php $_tmp'.self::$prefix_number.'=ob_get_clean();?>');
     res = '$_tmp'.self::$prefix_number;
@@ -867,7 +839,11 @@ ns1(res)           ::= ID(i). {
 
 ns1(res)           ::= NAMESPACE(i). {
     res = i;
-    }
+}
+
+//ns1(res)           ::= variable(v). {
+//    res = v;
+//}