4 files changed, 98 insertions, 11 deletions
diff --git a/src/02-enum/enum.lua b/src/02-enum/enum.lua
index 9c64c1f..b0e5abd 100644
--- a/src/02-enum/enum.lua
+++ b/src/02-enum/enum.lua
@@ -1,24 +1,22 @@
-local function makeEnum(enumtable)
-	if enumtable == nil or type(enumtable) ~= "table" then 
+local function enum(tbl)
+	if tbl == nil or type(tbl) ~= "table" then 
 		return nil
 	end 
-	enumtable.__index = enumtable 
-	enumtable.__newindex = function() 
+	tbl.__index = tbl 
+	tbl.__newindex = function() 
 		print("can not modify enum")
 	end 
-	local e = {}
-	setmetatable(e, enumtable)
-	return e
+	return setmetatable({}, tbl)
 end
 
-local function main() 
-	local mode = makeEnum({
+function main() 
+	local mode = enum {
 		SinglePlayer = 1, 
 		TwoPlayers= 2,
 		ThreePlayers= 3, 
 		FourPlayers= 4,
 		PVCom= 5,
-	})
+	}
 	mode.SinglePlayer = 2
 	print(mode.SinglePlayer)
 end 
diff --git a/src/04-thread/main.cpp b/src/04-thread/main.cpp
index e69de29..56b5066 100644
--- a/src/04-thread/main.cpp
+++ b/src/04-thread/main.cpp
@@ -0,0 +1,78 @@
+#include "../configure.h"
+#if BUILD_TEST == TEST_4
+
+#include <windows.h>
+#include <time.h>
+#include <conio.h>
+
+static int l_GetTime(lua_State* L)
+{
+	float second = (double)clock() / CLOCKS_PER_SEC;
+	lua_pushnumber(L, second);
+	return 1;
+}
+
+static int l_Sleep(lua_State* L)
+{
+	float t = lua_tonumber(L, 1);
+	Sleep(t * 1000);
+	return 0;
+}
+
+static int l_Kbhit(lua_State* L)
+{
+	int c = _kbhit();
+	lua_pushboolean(L, c);
+	return 1;
+}
+
+static int l_GetChar(lua_State* L)
+{
+	char str[2] = { 0,0 };
+	str[0] = _getch();
+	lua_pushstring(L, str);
+	return 1;
+}
+
+luaL_reg fns[] = {
+	{"GetTime", l_GetTime } ,
+	{"Sleep", l_Sleep } ,
+	{"Kbhit", l_Kbhit },
+	{"GetChar", l_GetChar },
+	{0, 0}
+};
+
+void openlibs(lua_State* L)
+{
+	luaL_openlibs(L);
+	///luaL_register(L, NULL, fns);
+	luax_registerglobal(L, fns);
+}
+
+int f(int& a)
+{
+	a = 20;
+	return a;
+}
+
+int foo(int a, int b)
+{
+	return a + b;
+}
+
+int main(int args, char* argv[])
+{
+	int a = 10; 
+	int r = foo(a, f(a));
+	printf("%d\n", r);
+
+	lua_State* L = luaL_newstate();
+	openlibs(L);
+
+	luaL_dofile(L, "04-thread/test.lua");
+
+	lua_close(L);
+	return 0;
+}
+
+#endif
+\ No newline at end of file
diff --git a/src/04-thread/test.lua b/src/04-thread/test.lua
index e69de29..ec22646 100644
--- a/src/04-thread/test.lua
+++ b/src/04-thread/test.lua
@@ -0,0 +1,11 @@
+
+local function main() 
+	local a = 1 
+	print(debug.getlocal(1, 1))
+end 
+
+
+local suc, rval = xpcall(main, debug.traceback)
+if not suc then 
+	print(rval)
+end 
diff --git a/src/configure.h b/src/configure.h
index bc107e1..6289d19 100644
--- a/src/configure.h
+++ b/src/configure.h
@@ -13,7 +13,7 @@
 #define TEST_10 10
 
 
-#define BUILD_TEST TEST_1
+#define BUILD_TEST TEST_2
 
 //-----------------------------------------------------------------------------------------------------