private string GetUnderlyingStringImpl(DkmClrValue value, DkmInspectionContext inspectionContext) { Debug.Assert(!value.IsError()); if (value.IsNull) { return null; } var lmrType = value.Type.GetLmrType(); if (lmrType.IsEnum || lmrType.IsArray || lmrType.IsPointer) { return null; } if (lmrType.IsNullable()) { var nullableValue = value.GetNullableValue(inspectionContext); return nullableValue != null ? GetUnderlyingStringImpl(nullableValue, inspectionContext) : null; } if (lmrType.IsString()) { return (string)value.HostObjectValue; } else if (!IsPredefinedType(lmrType)) { // Check for special cased non-primitives that have underlying strings if (lmrType.IsType("System.Data.SqlTypes", "SqlString")) { var fieldValue = value.GetFieldValue(InternalWellKnownMemberNames.SqlStringValue, inspectionContext); return fieldValue.HostObjectValue as string; } else if (lmrType.IsOrInheritsFrom("System.Xml.Linq", "XNode")) { return value.EvaluateToString(inspectionContext); } } return null; }
internal 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, 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(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); } // "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); }
private string GetUnderlyingStringImpl(DkmClrValue value) { if (value.IsNull) { return null; } var lmrType = value.Type.GetLmrType(); if (lmrType.IsEnum || lmrType.IsArray || lmrType.IsPointer) { return null; } if (lmrType.IsNullable()) { var nullableValue = value.GetNullableValue(); return nullableValue != null ? GetUnderlyingStringImpl(nullableValue) : null; } if (lmrType.IsString()) { return (string)value.HostObjectValue; } else if (!IsPredefinedType(lmrType)) { // Check for special cased non-primitives that have underlying strings if (string.Equals(lmrType.FullName, "System.Data.SqlTypes.SqlString", StringComparison.Ordinal)) { var fieldValue = value.GetFieldValue(InternalWellKnownMemberNames.SqlStringValue); return fieldValue.HostObjectValue as string; } do { if (string.Equals(lmrType.FullName, "System.Xml.Linq.XNode", StringComparison.Ordinal)) { return value.EvaluateToString(); } lmrType = lmrType.BaseType; } while (lmrType != null); } return null; }