Пример #1
0
        private string GetValueString(DkmClrValue value, DkmInspectionContext inspectionContext, ObjectDisplayOptions options, GetValueFlags flags)
        {
            if (value.IsError())
            {
                return((string)value.HostObjectValue);
            }

            if (UsesHexadecimalNumbers(inspectionContext))
            {
                options |= ObjectDisplayOptions.UseHexadecimalNumbers;
            }

            var lmrType = value.Type.GetLmrType();

            if (IsPredefinedType(lmrType) && !lmrType.IsObject())
            {
                if (lmrType.IsString())
                {
                    var stringValue = (string)value.HostObjectValue;
                    if (stringValue == null)
                    {
                        return(_nullString);
                    }
                    return(IncludeObjectId(
                               value,
                               FormatString(stringValue, options),
                               flags));
                }
                else if (lmrType.IsCharacter())
                {
                    return(IncludeObjectId(
                               value,
                               FormatLiteral((char)value.HostObjectValue, options | ObjectDisplayOptions.IncludeCodePoints),
                               flags));
                }
                else
                {
                    return(IncludeObjectId(
                               value,
                               FormatPrimitive(value, options & ~(ObjectDisplayOptions.UseQuotes | ObjectDisplayOptions.EscapeNonPrintableCharacters), inspectionContext),
                               flags));
                }
            }
            else if (value.IsNull && !lmrType.IsPointer)
            {
                return(_nullString);
            }
            else if (lmrType.IsEnum)
            {
                return(IncludeObjectId(
                           value,
                           GetEnumDisplayString(lmrType, value, options, (flags & GetValueFlags.IncludeTypeName) != 0, inspectionContext),
                           flags));
            }
            else if (lmrType.IsArray)
            {
                return(IncludeObjectId(
                           value,
                           GetArrayDisplayString(value.Type.AppDomain, lmrType, value.ArrayDimensions, value.ArrayLowerBounds, options),
                           flags));
            }
            else if (lmrType.IsPointer)
            {
                // NOTE: the HostObjectValue will have a size corresponding to the process bitness
                // and FormatPrimitive will adjust accordingly.
                var tmp = FormatPrimitive(value, ObjectDisplayOptions.UseHexadecimalNumbers, inspectionContext); // Always in hex.
                Debug.Assert(tmp != null);
                return(tmp);
            }
            else if (lmrType.IsNullable())
            {
                var nullableValue = value.GetNullableValue(inspectionContext);
                // It should be impossible to nest nullables, so this recursion should introduce only a single extra stack frame.
                return(nullableValue == null
                    ? _nullString
                    : GetValueString(nullableValue, inspectionContext, ObjectDisplayOptions.None, GetValueFlags.IncludeTypeName));
            }
            else
            {
                int cardinality;
                if (lmrType.IsTupleCompatible(out cardinality) && (cardinality > 1))
                {
                    var values = ArrayBuilder <string> .GetInstance();

                    value.GetTupleFieldValues(cardinality, values, inspectionContext);
                    return(IncludeObjectId(
                               value,
                               GetTupleExpression(values.ToArrayAndFree()),
                               flags));
                }
            }

            // "value.EvaluateToString()" will check "Call string-conversion function on objects in variables windows"
            // (Tools > Options setting) and call "value.ToString()" if appropriate.
            return(IncludeObjectId(
                       value,
                       string.Format(_defaultFormat, value.EvaluateToString(inspectionContext) ?? inspectionContext.GetTypeName(value.Type, CustomTypeInfo: null, FormatSpecifiers: NoFormatSpecifiers)),
                       flags));
        }