From 44fec5abfdcce644b6913d01a8ce2971cca8dd87 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=96=9F=E9=85=8C=20=E9=B5=AC=E5=85=84?= <tgckpg@gmail.com>
Date: Thu, 17 Mar 2016 07:16:06 +0800
Subject: [PATCH] Store the stacks indefinitely

---
 botanjs/src/Components/Vim/State/Recorder.js | 10 ++++++++--
 botanjs/src/Components/Vim/State/Stack.js    |  5 +----
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/botanjs/src/Components/Vim/State/Recorder.js b/botanjs/src/Components/Vim/State/Recorder.js
index 1ba8a59..8e095f4 100644
--- a/botanjs/src/Components/Vim/State/Recorder.js
+++ b/botanjs/src/Components/Vim/State/Recorder.js
@@ -4,7 +4,9 @@
 	var Recorder = function()
 	{
 		this.__steps = [];
+		this.__stacks = [];
 		this.__i = 0;
+		this.__j = 0;
 	};
 
 	Recorder.prototype.undo = function()
@@ -31,8 +33,12 @@
 
 	Recorder.prototype.record = function( StateObj )
 	{
-		this.__steps[ this.__i ] = StateObj;
-		StateObj.id = this.__i ++;
+		this.__steps[ this.__i ++ ] = StateObj;
+		this.__stacks[ this.__j ++ ] = StateObj;
+
+		delete this.__steps[ this.__i ];
+
+		StateObj.id = this.__j;
 	};
 
 	ns[ NS_EXPORT ]( EX_CLASS, "Recorder", Recorder );
diff --git a/botanjs/src/Components/Vim/State/Stack.js b/botanjs/src/Components/Vim/State/Stack.js
index 0e7d561..5096ccc 100644
--- a/botanjs/src/Components/Vim/State/Stack.js
+++ b/botanjs/src/Components/Vim/State/Stack.js
@@ -4,10 +4,7 @@
 	/** @type {Components.Vim.DateTime} */
 	var RelativeTime = __import( "Components.Vim.DateTime.RelativeTime" );
 
-	var Stack = function()
-	{
-
-	};
+	var Stack = function() { };
 
 	Stack.prototype.store = function( handler )
 	{