From e031a353305dbf4ba43f626ea9215b9578ca13d7 Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Mon, 9 Feb 2015 23:48:45 +0800
Subject: [PATCH] support empty line

---
 lualib/skynet/remotedebug.lua | 32 +++++++++++++++++---------------
 service/debug_console.lua     |  4 +---
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/lualib/skynet/remotedebug.lua b/lualib/skynet/remotedebug.lua
index 8e0c86c1..06dbeb03 100644
--- a/lualib/skynet/remotedebug.lua
+++ b/lualib/skynet/remotedebug.lua
@@ -65,25 +65,27 @@ local function hook_dispatch(dispatcher, resp, fd, channel)
 				if cmd == "cont" then
 					break
 				end
-				if sleep then
-					if cmd == "c" then
-						print "continue..."
-						prompt = string.format(":%08x>", address)
-						newline = true
-						return
+				if cmd ~= "" then
+					if sleep then
+						if cmd == "c" then
+							print "continue..."
+							prompt = string.format(":%08x>", address)
+							newline = true
+							return
+						end
 					end
-				end
 
-				local f = load("return "..cmd, "=(debug)", "t", env)
-				if not f then
-					local err
-					f,err = load(cmd, "=(debug)", "t", env)
+					local f = load("return "..cmd, "=(debug)", "t", env)
 					if not f then
-						socket.write(fd, err .. "\n")
+						local err
+						f,err = load(cmd, "=(debug)", "t", env)
+						if not f then
+							socket.write(fd, err .. "\n")
+						end
+					end
+					if f then
+						print(select(2,pcall(f)))
 					end
-				end
-				if f then
-					print(select(2,pcall(f)))
 				end
 				newline = true
 			else
diff --git a/service/debug_console.lua b/service/debug_console.lua
index 75db9343..0133d293 100644
--- a/service/debug_console.lua
+++ b/service/debug_console.lua
@@ -228,9 +228,7 @@ function COMMAND.debug(address, fd)
 				skynet.send(agent, "lua", "cmd", "cont")
 				break
 			end
-			if cmdline ~= "" then
-				skynet.send(agent, "lua", "cmd", cmdline)
-			end
+			skynet.send(agent, "lua", "cmd", cmdline)
 		until stop or cmdline == "cont"
 	end)
 	skynet.call(agent, "lua", "start", address, fd)