Exemplo n.º 1
0
        string?StoreValue_CorDebug(DnEval dnEval, List <CorValue> createdValues, CorAppDomain appDomain, DnThread dnThread, CorValue targetValue, DmdType targetType, CorValue sourceValue, DmdType sourceType)
        {
            if (targetType.IsByRef)
            {
                return(CordbgErrorHelper.InternalError);
            }
            int hr;

            if (!targetType.IsValueType)
            {
                if (!targetValue.IsReference)
                {
                    return(CordbgErrorHelper.InternalError);
                }
                if (!sourceValue.IsReference)
                {
                    var boxedSourceValue = BoxIfNeeded(dnEval, appDomain, createdValues, sourceValue, targetType, sourceType);
                    if (!boxedSourceValue.IsReference)
                    {
                        return(CordbgErrorHelper.InternalError);
                    }
                    sourceValue = boxedSourceValue;
                }
                if (!sourceValue.IsNull && sourceType.IsValueType)
                {
                    var sourceDerefVal = sourceValue.GetDereferencedValue(out hr);
                    if (sourceDerefVal is null)
                    {
                        return(CordbgErrorHelper.GetErrorMessage(hr));
                    }
                    if (!sourceDerefVal.IsBox)
                    {
                        return(CordbgErrorHelper.InternalError);
                    }
                }
                hr = targetValue.SetReferenceAddress(sourceValue.ReferenceAddress);
                if (hr != 0)
                {
                    return(CordbgErrorHelper.GetErrorMessage(hr));
                }
                return(null);
            }
            else
            {
                if (!sourceType.IsValueType)
                {
                    return(CordbgErrorHelper.InternalError);
                }

                if (targetValue.IsReference)
                {
                    if (!(targetValue.GetDereferencedValue(out hr) is CorValue derefValue))
                    {
                        return(CordbgErrorHelper.GetErrorMessage(hr));
                    }
                    targetValue = derefValue;
                }
                if (targetValue.IsBox)
                {
                    return(CordbgErrorHelper.InternalError);
                }

                if (sourceValue.IsReference)
                {
                    if (!(sourceValue.GetDereferencedValue(out hr) is CorValue derefValue))
                    {
                        return(CordbgErrorHelper.GetErrorMessage(hr));
                    }
                    sourceValue = derefValue;
                }
                if (sourceValue.IsBox)
                {
                    if (!(sourceValue.GetBoxedValue(out hr) is CorValue unboxedValue))
                    {
                        return(CordbgErrorHelper.GetErrorMessage(hr));
                    }
                    sourceValue = unboxedValue;
                }

                if (!targetValue.IsGeneric || !sourceValue.IsGeneric)
                {
                    return(CordbgErrorHelper.InternalError);
                }
                if (targetValue.Size != sourceValue.Size)
                {
                    return(CordbgErrorHelper.InternalError);
                }
                hr = targetValue.WriteGenericValue(sourceValue.ReadGenericValue(), dnThread.Process.CorProcess);
                if (hr < 0)
                {
                    return(CordbgErrorHelper.GetErrorMessage(hr));
                }
                return(null);
            }
        }
Exemplo n.º 2
0
        string?StoreSimpleValue_CorDebug(DnThread dnThread, CorValue targetValue, DmdType targetType, object?sourceValue)
        {
            if (targetType.IsByRef)
            {
                return(CordbgErrorHelper.InternalError);
            }
            int hr;

            if (targetType.IsPointer || targetType.IsFunctionPointer)
            {
                var sourceValueBytes = TryGetValueBytes(sourceValue);
                Debug2.Assert(!(sourceValueBytes is null));
                if (sourceValueBytes is null || targetValue.Size != (uint)sourceValueBytes.Length)
                {
                    return(CordbgErrorHelper.InternalError);
                }
                ulong address = targetValue.Address;
                if (address == 0)
                {
                    return(CordbgErrorHelper.InternalError);
                }
                hr = dnThread.Process.CorProcess.WriteMemory(address, sourceValueBytes, 0, sourceValueBytes.Length, out var sizeWritten);
                if (hr < 0)
                {
                    return(CordbgErrorHelper.GetErrorMessage(hr));
                }
                return(null);
            }
            else if (!targetType.IsValueType)
            {
                if (!(sourceValue is null))
                {
                    return(CordbgErrorHelper.InternalError);
                }
                hr = targetValue.SetReferenceAddress(0);
                if (hr != 0)
                {
                    return(CordbgErrorHelper.GetErrorMessage(hr));
                }
                return(null);
            }
            else
            {
                if (targetValue.IsReference)
                {
                    if (!(targetValue.GetDereferencedValue(out hr) is CorValue derefValue))
                    {
                        return(CordbgErrorHelper.GetErrorMessage(hr));
                    }
                    targetValue = derefValue;
                }
                if (targetValue.IsBox)
                {
                    return(CordbgErrorHelper.InternalError);
                }

                if (!targetValue.IsGeneric || sourceValue is null)
                {
                    return(CordbgErrorHelper.InternalError);
                }
                var sourceValueBytes = TryGetValueBytes(sourceValue);
                Debug2.Assert(!(sourceValueBytes is null));
                if (sourceValueBytes is null || targetValue.Size != (uint)sourceValueBytes.Length)
                {
                    return(CordbgErrorHelper.InternalError);
                }
                hr = targetValue.WriteGenericValue(sourceValueBytes, dnThread.Process.CorProcess);
                if (hr < 0)
                {
                    return(CordbgErrorHelper.GetErrorMessage(hr));
                }
                return(null);
            }
        }
        EvalArgumentResult ConvertSZArray(string[] array, out DmdType type)
        {
            var elementType = reflectionAppDomain.System_String;

            type = elementType.MakeArrayType();
            var corElementType = GetType(elementType);
            var res            = dnEval.CreateSZArray(corElementType, array.Length, out int hr);

            if (res == null || !res.Value.NormalResult)
            {
                return(EvalArgumentResult.Create(res, hr));
            }
            if (!IsInitialized(array))
            {
                return(EvalArgumentResult.Create(res, hr));
            }
            Debug.Assert(array.Length > 0);

            CorValue elem  = null;
            bool     error = true;

            try {
                var arrayValue = res.Value.ResultOrException;
                for (int i = 0; i < array.Length; i++)
                {
                    var s = array[i];
                    if (s == null)
                    {
                        continue;
                    }

                    var stringValueRes = Convert(s, elementType, out var type2);
                    if (stringValueRes.ErrorMessage != null)
                    {
                        return(stringValueRes);
                    }
                    if (!stringValueRes.CorValue.IsReference)
                    {
                        return(new EvalArgumentResult(PredefinedEvaluationErrorMessages.InternalDebuggerError));
                    }

                    var av = arrayValue;
                    if (av.IsReference)
                    {
                        av = av.GetDereferencedValue(out hr);
                        if (av == null)
                        {
                            return(new EvalArgumentResult(CordbgErrorHelper.GetErrorMessage(hr)));
                        }
                    }
                    if (av?.IsArray != true)
                    {
                        return(new EvalArgumentResult(PredefinedEvaluationErrorMessages.InternalDebuggerError));
                    }

                    Debug.Assert(elem == null);
                    elem = av.GetElementAtPosition(i, out hr);
                    if (elem == null)
                    {
                        return(new EvalArgumentResult(CordbgErrorHelper.GetErrorMessage(hr)));
                    }

                    hr = elem.SetReferenceAddress(stringValueRes.CorValue.ReferenceAddress);
                    if (hr != 0)
                    {
                        return(new EvalArgumentResult(CordbgErrorHelper.GetErrorMessage(hr)));
                    }

                    engine.DisposeHandle_CorDebug(elem);
                    elem = null;
                }

                var eaRes = new EvalArgumentResult(AddValue(type, res.Value.ResultOrException));
                error = false;
                return(eaRes);
            }
            finally {
                if (error)
                {
                    engine.DisposeHandle_CorDebug(res.Value.ResultOrException);
                }
                engine.DisposeHandle_CorDebug(elem);
            }
        }