From 45328cbadd8a946c19a77301f218efbf650e2f28 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 18 Oct 2021 19:56:41 +0800
Subject: *misc

---
 Runtime/Lua/LuaBind/LuaBindCFunctions.h | 38 +++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Runtime/Lua/LuaBind/LuaBindCFunctions.h

(limited to 'Runtime/Lua/LuaBind/LuaBindCFunctions.h')

diff --git a/Runtime/Lua/LuaBind/LuaBindCFunctions.h b/Runtime/Lua/LuaBind/LuaBindCFunctions.h
new file mode 100644
index 0000000..f0f07dd
--- /dev/null
+++ b/Runtime/Lua/LuaBind/LuaBindCFunctions.h
@@ -0,0 +1,38 @@
+#ifndef __LUA_BIND_CFUNCTIONS_H__
+#define __LUA_BIND_CFUNCTIONS_H__
+
+#include "LuaBindConfig.h"
+
+/**
+ * luax_cfunction里的函数用来注册给lua，一些特殊功能的通用函数。
+*/
+
+namespace 
+{
+
+	// 获得第一个upvalue
+	extern int luax_c_getupvalue(lua_State* L);
+
+	// 调用此函数时会报错，upvalue(1)是错误信息
+	extern int luax_c_errfunc(lua_State* L);
+
+#define luax_is(T, L, i) (lua_is##T(L, i))
+#define luax_isnumber(L, i) luax_is(number, L, i)
+
+	inline int luax_isinteger(lua_State* L, int i)
+	{
+		if (!luax_isnumber(L, i))
+			return 0;
+		return lua_tonumber(L, i) == lua_tointeger(L, i);
+	}
+
+	inline int luax_isfloat(lua_State* L, int i)
+	{
+		if (!luax_isnumber(L, i))
+			return 0;
+		return lua_tonumber(L, i) != lua_tointeger(L, i);
+	}
+
+}
+
+#endif
\ No newline at end of file
-- 
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