From d2e4b2839bc7ce874370ff4c52dcfdadf666ff52 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sun, 15 Nov 2020 09:59:32 +0800
Subject: +lua binding

---
 Runtime/Scripting/LuaBindVM.cpp | 76 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 Runtime/Scripting/LuaBindVM.cpp

(limited to 'Runtime/Scripting/LuaBindVM.cpp')

diff --git a/Runtime/Scripting/LuaBindVM.cpp b/Runtime/Scripting/LuaBindVM.cpp
new file mode 100644
index 0000000..ce68a80
--- /dev/null
+++ b/Runtime/Scripting/LuaBindVM.cpp
@@ -0,0 +1,76 @@
+#include "LuaBindInternal.h"
+#include "LuaBindVM.h"
+
+namespace LuaBind
+{
+
+	LuaBindVM::VMap LuaBindVM::VMs;   // 通过线程查找虚拟机，为了方便
+
+	LuaBindVM* LuaBindVM::TryGetVM(global_State* gState)
+	{
+		auto it = VMs.find(gState);
+		if (it != VMs.end())
+			return it->second;
+		else
+			return nullptr;
+	}
+
+	LuaBindVM* LuaBindVM::TryGetVM(lua_State* state)
+	{
+		return TryGetVM(G(state));
+	}
+
+	LuaBindVM::LuaBindVM()
+		: mStrongRefTable()
+		, mWeakRefTable()
+	{
+		mMainThread = luaL_newstate();
+		assert(mMainThread);
+		mGlobalState = G(mMainThread);
+
+		VMs.insert(std::pair<global_State*, LuaBindVM*>(mGlobalState, this));
+	}
+
+	LuaBindVM::~LuaBindVM()
+	{
+		VMs.erase(mGlobalState);
+		lua_close(mMainThread);
+	}
+
+	// 初始化context 
+	void LuaBindVM::Setup()
+	{
+		LUA_BIND_STATE(mMainThread);
+
+		mStrongRefTable.Init(state, "_LUA_BIND_STRONGREF_TABLE");
+		mWeakRefTable.Init(state, "_LUA_BIND_WEAKREF_TABLE", "v");
+	}
+
+	lua_State* LuaBindVM::CreateThread()
+	{
+		lua_State* thread = lua_newthread(mMainThread);
+		assert(thread);
+		return thread;
+	}
+
+	lua_State* LuaBindVM::GetMainThread()
+	{
+		return mMainThread;
+	}
+
+	LuaBindState LuaBindVM::GetMainState()
+	{
+		return mMainThread;
+	}
+
+	LuaBindRefTable& LuaBindVM::GetStrongRefTable()
+	{
+		return mStrongRefTable;
+	}
+
+	LuaBindRefTable& LuaBindVM::GetWeakRefTable()
+	{
+		return mWeakRefTable;
+	}
+
+}
\ No newline at end of file
-- 
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