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//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//

//----------------------------------------------------------
// ErrorHandling.h - Helpers & whatnot for using SEH for errors
//----------------------------------------------------------
#ifndef _ErrorHandling
#define _ErrorHandling

#include "logging.h"

// EXCEPTIONCODE_DebugBreakorAV is just the base exception number; calls to DebugBreakorAV() 
// pass a unique number to add to this. EXCEPTIONCODE_DebugBreakorAV_MAX is the maximum number
// of this exception range.
#define EXCEPTIONCODE_DebugBreakorAV     0xe0421000
#define EXCEPTIONCODE_DebugBreakorAV_MAX 0xe0422000

#define EXCEPTIONCODE_MC             0xe0422000
#define EXCEPTIONCODE_LWM            0xe0423000
#define EXCEPTIONCODE_CALLUTILS      0xe0426000
#define EXCEPTIONCODE_TYPEUTILS      0xe0427000
#define EXCEPTIONCODE_ASSERT         0xe0440000

// RaiseException wrappers
void MSC_ONLY(__declspec(noreturn)) ThrowException(DWORD exceptionCode);
void MSC_ONLY(__declspec(noreturn)) ThrowException(DWORD exceptionCode, const char *message, ...);

// Assert stuff
#define AssertCodeMsg(expr, exCode, msg, ...) \
    do { \
        if (!(expr)) LogException(exCode, "SuperPMI assertion '%s' failed (" #msg ")", #expr, ##__VA_ARGS__); \
    } while (0)

#define AssertCode(expr, exCode) \
    do { \
        if (!(expr)) LogException(exCode, "SuperPMI assertion '%s' failed", #expr); \
    } while (0)

#define AssertMsg(expr, msg, ...) AssertCodeMsg(expr, EXCEPTIONCODE_ASSERT, msg, ##__VA_ARGS__)
#define Assert(expr)              AssertCode(expr, EXCEPTIONCODE_ASSERT)

class SpmiException
{
private:
    DWORD exCode;
    char* exMessage;

public:
    SpmiException(PEXCEPTION_POINTERS exp);
    SpmiException(DWORD exceptionCode, char* exceptionMessage);
#if 0
    ~SpmiException();
#endif

    char *GetExceptionMessage();
    DWORD GetCode();

    void ShowAndDeleteMessage();
    void DeleteMessage();
};

//
// Functions and types used by PAL_TRY-related macros.
//

extern LONG FilterSuperPMIExceptions_CatchMC(PEXCEPTION_POINTERS pExceptionPointers, LPVOID lpvParam);

struct FilterSuperPMIExceptionsParam_CaptureException
{
    EXCEPTION_POINTERS exceptionPointers;
    DWORD              exceptionCode;

    FilterSuperPMIExceptionsParam_CaptureException()
        : exceptionCode(0)
    {
        exceptionPointers.ExceptionRecord = nullptr;
        exceptionPointers.ContextRecord = nullptr;
    }
};

extern LONG FilterSuperPMIExceptions_CaptureExceptionAndContinue(PEXCEPTION_POINTERS pExceptionPointers, LPVOID lpvParam);
extern LONG FilterSuperPMIExceptions_CaptureExceptionAndStop(PEXCEPTION_POINTERS pExceptionPointers, LPVOID lpvParam);

extern bool RunWithErrorTrap(void (*function)(void*), void* param);

#endif