Method Hook

emmy_debugger/src/debugger/emmy_debugger.cpp:91–138

}

void Debugger::Hook(lua_Debug *ar, lua_State *L) {
	if (skipHook) {
		return;
	}
	// 设置当前协程
	SetCurrentState(L);

	if (getDebugEvent(ar) == LUA_HOOKLINE) {
		// 对luaTreadExecutors 执行加锁
		{
			std::unique_lock<std::mutex> lock(luaThreadMtx);
			if (!luaThreadExecutors.empty()) {
				for (auto &executor: luaThreadExecutors) {
					ExecuteWithSkipHook(executor);
				}
				luaThreadExecutors.clear();
			}
		}

		// 处理 pause: 如果 manager 上有挂起的 Break 请求(DoAction(Break)
		// 时无 hitDebugger),这里消费一下,把当前 debugger 设为 hitDebugger,
		// 然后走原来的 DoAction(Break) 路径设置 hookState = stateBreak。
		// 下面读 hookState 时就会拿到 stateBreak, ProcessHook 在当前 LINE
		// 事件上立刻命中 HandleBreak。
		if (manager->ConsumePendingBreak()) {
			manager->SetHitDebugger(shared_from_this());
			DoAction(DebugAction::Break);
		}

		auto bp = FindBreakPoint(ar);
		if (bp && ProcessBreakPoint(bp)) {
			HandleBreak();
			return;
		}
		// 加锁

		std::shared_ptr<HookState> state = nullptr;

		{
			std::lock_guard<std::mutex> lock(hookStateMtx);
			state = hookState;
		}

		if (state) {
			state->ProcessHook(shared_from_this(), currentL, ar);
		}
	}
}


void Debugger::Stop() {