From 61f5034de8b5eb994ec3706f2c6826f652226c1f Mon Sep 17 00:00:00 2001
From: Liang Ding <DL88250@gmail.com>
Date: Fri, 26 Sep 2014 09:38:46 +0800
Subject: [PATCH] Update README.md

---
 README.md | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/README.md b/README.md
index 7fec6e8..3eaa5d2 100644
--- a/README.md
+++ b/README.md
@@ -38,9 +38,32 @@ A <b>W</b>eb <b>IDE</b> IDE for Teams using Golang.
 ### Build & Run
 ![](https://cloud.githubusercontent.com/assets/873584/4389219/3642bc62-43f3-11e4-8d1f-06d7aaf22784.png)
 
+* A browser tab corresponds to a Wide session
+* Execution output push via WebSocket
+
+
+1. Browser sends ````Build```` request
+2. Server executes ````go build```` command via ````os/exec````<br/>
+   2.1. Generates a executable file
+3. Browser sends ````Run```` request
+4. Server executes the file via ````os/exec````<br/>
+   4.1. A running process<br/>
+   4.2. Execution output push via WebSocket channel
+5. Browser renders with callback function ````ws.onmessage````
+
 ### Code Assist
 ![](https://cloud.githubusercontent.com/assets/873584/4399135/3b80c21c-4463-11e4-8e94-7f7e8d12a4df.png)
 
+* Autocompletion 
+* Find Usages
+
+
+1. Browser sends code assist request
+2. Handler gets user workspace of the request with HTTP session
+3. Server executes ````gocode````/````ide_stub````<br/>
+   3.1 Sets environment variables (e.g. ${GOPATH})<br/>
+   3.2 ````gocode```` with ````lib-path```` parameter
+
 ## Documents
 
 * [用户指南](http://88250.gitbooks.io/wide-user-guide/zh-cn/index.html)