Exemplo n.º 1
0
        internal Expansion GetTypeExpansion(DkmInspectionContext inspectionContext, Type declaredType, DkmClrValue value, ExpansionFlags flags)
        {
            Debug.Assert(!declaredType.IsTypeVariables());

            if ((inspectionContext.EvaluationFlags & DkmEvaluationFlags.NoExpansion) != 0)
            {
                return(null);
            }

            var runtimeType = value.Type.GetLmrType();

            // If the value is an array, expand the array elements.
            if (runtimeType.IsArray)
            {
                var sizes = value.ArrayDimensions;
                if (sizes == null)
                {
                    // Null array. No expansion.
                    return(null);
                }
                var lowerBounds = value.ArrayLowerBounds;
                return(ArrayExpansion.CreateExpansion(sizes, lowerBounds));
            }

            if (this.Formatter.IsPredefinedType(runtimeType))
            {
                return(null);
            }

            if (declaredType.IsPointer)
            {
                return(!value.IsNull ? new PointerDereferenceExpansion(declaredType.GetElementType()) : null);
            }

            if (value.EvalFlags.Includes(DkmEvaluationResultFlags.ExceptionThrown) &&
                runtimeType.IsEmptyResultsViewException())
            {
                // The value is an exception thrown expanding an empty
                // IEnumerable. Use the runtime type of the exception and
                // skip base types. (This matches the native EE behavior
                // to expose a single property from the exception.)
                flags &= ~ExpansionFlags.IncludeBaseMembers;
            }

            return(MemberExpansion.CreateExpansion(inspectionContext, declaredType, value, flags, TypeHelpers.IsVisibleMember, this.Formatter));
        }
Exemplo n.º 2
0
        internal Expansion GetTypeExpansion(
            DkmInspectionContext inspectionContext,
            TypeAndCustomInfo declaredTypeAndInfo,
            DkmClrValue value,
            ExpansionFlags flags)
        {
            var declaredType = declaredTypeAndInfo.Type;

            Debug.Assert(!declaredType.IsTypeVariables());

            if ((inspectionContext.EvaluationFlags & DkmEvaluationFlags.NoExpansion) != 0)
            {
                return(null);
            }

            var runtimeType = value.Type.GetLmrType();

            // If the value is an array, expand the array elements.
            if (runtimeType.IsArray)
            {
                var sizes = value.ArrayDimensions;
                if (sizes == null)
                {
                    // Null array. No expansion.
                    return(null);
                }
                var lowerBounds = value.ArrayLowerBounds;

                Type elementType;
                DkmClrCustomTypeInfo elementTypeInfo;
                if (declaredType.IsArray)
                {
                    elementType     = declaredType.GetElementType();
                    elementTypeInfo = CustomTypeInfo.SkipOne(declaredTypeAndInfo.Info);
                }
                else
                {
                    elementType     = runtimeType.GetElementType();
                    elementTypeInfo = null;
                }

                return(ArrayExpansion.CreateExpansion(new TypeAndCustomInfo(DkmClrType.Create(declaredTypeAndInfo.ClrType.AppDomain, elementType), elementTypeInfo), sizes, lowerBounds));
            }

            if (this.IsPrimitiveType(runtimeType))
            {
                return(null);
            }

            if (declaredType.IsFunctionPointer())
            {
                // Function pointers have no expansion
                return(null);
            }

            if (declaredType.IsPointer)
            {
                // If this assert fails, the element type info is just .SkipOne().
                Debug.Assert(declaredTypeAndInfo.Info?.PayloadTypeId != CustomTypeInfo.PayloadTypeId);
                var elementType = declaredType.GetElementType();
                return(value.IsNull || elementType.IsVoid()
                    ? null
                    : new PointerDereferenceExpansion(new TypeAndCustomInfo(DkmClrType.Create(declaredTypeAndInfo.ClrType.AppDomain, elementType))));
            }

            if (value.EvalFlags.Includes(DkmEvaluationResultFlags.ExceptionThrown) &&
                runtimeType.IsEmptyResultsViewException())
            {
                // The value is an exception thrown expanding an empty
                // IEnumerable. Use the runtime type of the exception and
                // skip base types. (This matches the native EE behavior
                // to expose a single property from the exception.)
                flags &= ~ExpansionFlags.IncludeBaseMembers;
            }

            return(MemberExpansion.CreateExpansion(inspectionContext, declaredTypeAndInfo, value, flags, TypeHelpers.IsVisibleMember, this));
        }