From 7c8c68d79343d04be382334c15a73d079450857c Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sun, 17 Oct 2021 23:05:01 +0800
Subject: *misc

---
 Runtime/LuaBind/LuaBindVM.h | 58 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 Runtime/LuaBind/LuaBindVM.h

(limited to 'Runtime/LuaBind/LuaBindVM.h')

diff --git a/Runtime/LuaBind/LuaBindVM.h b/Runtime/LuaBind/LuaBindVM.h
new file mode 100644
index 0000000..3bfe899
--- /dev/null
+++ b/Runtime/LuaBind/LuaBindVM.h
@@ -0,0 +1,58 @@
+#ifndef __LUA_BIND_CONTEXT_H__
+#define __LUA_BIND_CONTEXT_H__
+
+#include <map>
+#include <unordered_set>
+
+#include "LuaBindRef.h"
+#include "LuaBindConfig.h"
+#include "LuaBindState.h"
+#include "LuaBindGlobalState.h"
+
+namespace LuaBind
+{
+
+	// 单个lua_state相关的context。是一系列代理的集合，拷贝也没关系，主要是为了节约内存。
+	class VM
+	{
+	public:
+
+		// 根据global_State拿到虚拟机。
+		static VM* TryGetVM(global_State* gState);
+		static VM* TryGetVM(lua_State* state);
+
+		VM();
+		~VM();
+
+		// 创建虚拟机后，需要手动调用Setup函数，初始化一些虚拟机状态。
+		void Setup();
+		void OpenLibs();
+
+		lua_State* GetMainThread();
+		lua_State* CreateThread();
+		State GetMainState();
+
+		RefTable& GetStrongRefTable();
+		RefTable& GetWeakRefTable();
+
+	private:
+
+		typedef std::map<global_State*, VM*> VMap;
+
+		static VMap VMs;               // 通过global_State索引虚拟机，为了方便
+
+		RefTable  mStrongRefTable; // GAMELAB_UNIVERSAL_STRONG_REFERENCE_TABLE
+		RefTable  mWeakRefTable;   // GAMELAB_UNIVERSAL_WEAK_REFERENCE_TABLE
+
+		global_State* mGlobalState;    // 虚拟机的global_State，由当前虚拟机的所有线程共享
+		lua_State*    mMainThread;     // 主线程
+
+#if LUA_BIND_PROFILER
+		size_t        mObjectCount;    // 统计所有在此虚拟机中创建的实例
+#endif
+
+	};
+
+}
+
+#endif
\ No newline at end of file
-- 
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