From 1fdcdb2dca97cdf4b8f4790aa66587ff3e89e526 Mon Sep 17 00:00:00 2001
From: Kenneth Graunke <kenneth@whitecape.org>
Date: Wed, 14 Jul 2010 12:14:26 -0700
Subject: [PATCH] exec_list: Add a new replace_with method.

---
 src/glsl/list.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/glsl/list.h b/src/glsl/list.h
index 48502fb4c8c..29997c78ee8 100644
--- a/src/glsl/list.h
+++ b/src/glsl/list.h
@@ -165,6 +165,17 @@ struct exec_node {
       this->prev->next = before;
       this->prev = before;
    }
+   /**
+    * Replace the current node with the given node.
+    */
+   void replace_with(exec_node *replacement)
+   {
+      replacement->prev = this->prev;
+      replacement->next = this->next;
+
+      this->prev->next = replacement;
+      this->next->prev = replacement;
+   }
 
    /**
     * Is this the sentinal at the tail of the list?
-- 
2.30.2