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我正在为正在构建的引擎制作日志系统,但遇到了问题。我为我的引擎设置了许多宏,但不幸的是,它们似乎不起作用。这是我的代码:Log.cpp

#include "Log.h"
#include "spdlog/sinks/stdout_color_sinks.h"

namespace Divided
{
    std::shared_ptr<spdlog::logger> Log::s_CoreLogger;
    std::shared_ptr<spdlog::logger> Log::s_ClientLogger;

    void Log::Init()
    {
        spdlog::set_pattern("%^[%T] %n: %v%$");
        s_CoreLogger = spdlog::stdout_color_mt("DIVIDED");
        s_CoreLogger->set_level(spdlog::level::trace);
        s_ClientLogger = spdlog::stdout_color_mt("APP");
        s_ClientLogger->set_level(spdlog::level::trace);
    }
}

日志.h

#pragma once
#include <memory>
#include "Core.h"
#include "spdlog/spdlog.h"

namespace Divided
{
    class DIVIDED_API Log
    {
    public:
        static void Init();

        inline static std::shared_ptr<spdlog::logger>& GetCoreLogger() { return s_CoreLogger; }
        inline static std::shared_ptr<spdlog::logger>& GetClientLogger() { return s_ClientLogger; }
    private:
        static std::shared_ptr<spdlog::logger> s_CoreLogger;
        static std::shared_ptr<spdlog::logger> s_ClientLogger;
    };
}

//core logging macros
#define DV_CORE_FATAL(...) ::Divided::Log::GetCoreLogger->fatal(__VA_ARGS__)
#define DV_CORE_ERROR(...) ::Divided::Log::GetCoreLogger->error(__VA_ARGS__)
#define DV_CORE_WARN(...)  ::Divided::Log::GetCoreLogger->warn(__VA_ARGS__)
#define DV_CORE_INFO(...)  ::Divided::Log::GetCoreLogger->info(__VA_ARGS__)
#define DV_CORE_TRACE(...) ::Divided::Log::GetCoreLogger->trace(__VA_ARGS__)
                           ::
//client logging macros    ::
#define DV_FATAL(...)      ::Divided::Log::GetClientLogger->fatal(__VA_ARGS__)
#define DV_ERROR(...)      ::Divided::Log::GetClientLogger->error(__VA_ARGS__)
#define DV_WARN(...)       ::Divided::Log::GetClientLogger->warn(__VA_ARGS__)
#define DV_INFO(...)       ::Divided::Log::GetClientLogger->info(__VA_ARGS__)
#define DV_TRACE(...)      ::Divided::Log::GetClientLogger->trace(__VA_ARGS__)

和core.h

#pragma once

#ifdef DV_PLATFORM_WINDOWS
    #ifdef DV_BUILD_DLL
        #define DIVIDED_API __declspec(dllexport)
    #else
        #define DIVIDED_API __declspec(dllimport)
    #endif
#else
    #error DIVIDED ONLY SUPPORTS WINDOWS!
#endif

当我调用任何宏时,visual studio 说左边 ->必须指向一个数据类型。有谁知道这是为什么刹车

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1 回答 1

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这里的解决方案真的很简单。现在定义宏的方式将是指向试图调用应该是成员函数的函数的指针。这显然行不通。必须做的是在每次调用的末尾加上括号,GetClientLogger以便GetCoreLogger这些函数的返回类型——类——将调用它们正确的和现有的成员函数。

于 2020-04-29T17:52:00.903 回答