From 1497dccd63a84b7ee2b229b1ad9c5c02718f2a78 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 19 Mar 2019 23:06:27 +0800
Subject: *rename

---
 source/3rd-party/Luax/luax_enum.cpp | 67 +++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 source/3rd-party/Luax/luax_enum.cpp

(limited to 'source/3rd-party/Luax/luax_enum.cpp')

diff --git a/source/3rd-party/Luax/luax_enum.cpp b/source/3rd-party/Luax/luax_enum.cpp
new file mode 100644
index 0000000..88bbab4
--- /dev/null
+++ b/source/3rd-party/Luax/luax_enum.cpp
@@ -0,0 +1,67 @@
+#include "luax_enum.h"
+#include "luax_state.h"
+#include "luax_runtime.h"
+
+namespace Luax
+{
+
+	///
+	/// Ö»¶ÁmetatableµÄ__index
+	///
+	int l_rmt__index(lua_State* L)
+	{
+		// params:
+		// 1: enum table
+		// 2: key
+
+		// upvalues: 
+		// 1: metatable
+
+		int mt = lua_upvalueindex(1);
+		lua_pushvalue(L, 2);
+		lua_rawget(L, mt);
+
+		return 1;
+	}
+
+	int l_rmt__newindex(lua_State* L)
+	{
+		// upvalue: 
+		// 1: enum table name
+
+		cc8* name = lua_tostring(L, lua_upvalueindex(1));
+
+		return luaL_error(L, "Enum called \"%s\" is readonly.", name);
+	}
+
+	//--------------------------------------------------------------------------------------------------------------
+#if LUAX_ENABLE_PLAIN_ENABLE
+	int LuaxPlainEnum::registry(lua_State* L)
+	{
+		// params:
+		// 1: enum name
+		// 2: metatable
+
+		cc8* name = luaL_checkstring(L, 1);
+
+		if (!lua_istable(L, 2))
+		{
+			return luaL_error(L, "Create plain enum failed. Require table, but get %s", luaL_typename(L, 2));
+		}
+
+		lua_pushvalue(L, -1);
+		lua_setfield(L, -2, "__index");
+
+		lua_pushstring(L, name);
+		lua_pushcclosure(L, l_rmt__newindex, 1);
+		lua_setfield(L, -2, "__newindex");
+
+		lua_newtable(L); // enum table
+
+		lua_pushvalue(L, -2); // metatable
+		lua_setmetatable(L, -2);
+
+		return 1;
+	}
+#endif
+}
\ No newline at end of file
-- 
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