CrashHandler.h

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#pragma once
 
#include <cstddef>
#include <memory>
#include "ship/core/Component.h"
 
#if (__linux__)
#include <csignal>
#include <cstdio>
#include <cxxabi.h> // for __cxa_demangle
#include <dlfcn.h>  // for dladdr
#include <execinfo.h>
#include <unistd.h>
#include <SDL.h>
#endif
 
#if _WIN32
#include <windows.h>
#endif
 
namespace Ship {
 
typedef void (*CrashHandlerCallback)(char*, size_t*);
 
class CrashHandler : public Component {
  public:
    CrashHandler();
    ~CrashHandler();
    CrashHandler(CrashHandlerCallback callback);
 
    void RegisterCallback(CrashHandlerCallback callback);
    void AppendLine(const char* str);
    void AppendStr(const char* str);
    void PrintCommon();
 
#ifdef __linux__
    void PrintRegisters(ucontext_t* ctx);
#elif _WIN32
    void PrintRegisters(CONTEXT* ctx);
    void PrintStack(CONTEXT* ctx);
#endif
 
  private:
    void OnAdded(bool forced) override;
 
    CrashHandlerCallback mCallback = nullptr;
    std::unique_ptr<char[]> mOutBuffer;
    static constexpr size_t gMaxBufferSize = 32768;
    size_t mOutBuffersize = 0;
 
    void AppendStrTrunc(const char* str);
 
    bool CheckStrLen(const char* str);
};
} // namespace Ship