string GetEnumValue(CorType type, out byte[] bytes) {
bytes = null;
Debug.Assert(type != null && type.IsEnum);
if (text == string.Empty)
return dnSpy_Debugger_Resources.LocalsEditValue_Error_EnterSomeText;
var etype = type.EnumUnderlyingType;
if (etype == CorElementType.End)
return "Internal error: type is not an enum";
var consts = text.Split('|').Select(a => a.Trim()).ToArray();
bool isFlagsAttr = type.HasAttribute("System.FlagsAttribute");
var fields = type.GetFields(false).Where(a => a.Constant != null && (a.Attributes & (FieldAttributes.Literal | FieldAttributes.Static)) == (FieldAttributes.Literal | FieldAttributes.Static));
bool isInteger = !(etype == CorElementType.R4 || etype == CorElementType.R8);
if (isFlagsAttr && isInteger) {
var dict = new Dictionary<string, object>();
foreach (var f in fields) {
if (!dict.ContainsKey(f.Name))
dict[f.Name] = f.Constant;
}
ulong value = 0;
foreach (var c in consts) {
ulong? newv;
object o;
string error;
if (dict.TryGetValue(c, out o))
newv = IntegerToUInt64ZeroExtend(o);
else
newv = ParseIntegerConstant(etype, c, out error);
if (newv == null)
return string.Format(dnSpy_Debugger_Resources.LocalsEditValue_Error_UnknownEnumValue, c);
value |= newv.Value;
}
bytes = Convert(etype, ConvertUInt64(etype, value));
if (bytes != null)
return null;
}
else {
if (consts.Length != 1)
return dnSpy_Debugger_Resources.LocalsEditValue_Error_InvalidEnumValue;
var c = consts[0];
foreach (var field in fields) {
if (field.Name == c) {
bytes = Convert(etype, field.Constant);
if (bytes != null)
return null;
}
}
if (isInteger) {
string error;
var newv = ParseIntegerConstant(etype, c, out error);
if (newv != null) {
bytes = Convert(etype, ConvertUInt64(etype, newv.Value));
if (bytes != null)
return null;
}
}
else {
if (etype == CorElementType.R4) {
float v;
if (float.TryParse(c, out v)) {
bytes = BitConverter.GetBytes(v);
return null;
}
}
else {
Debug.Assert(etype == CorElementType.R8);
double v;
if (double.TryParse(c, out v)) {
bytes = BitConverter.GetBytes(v);
return null;
}
}
}
}
return dnSpy_Debugger_Resources.LocalsEditValue_Error_InvalidEnumValue;
}
string GetEnumValue(CorType type, out byte[] bytes)
{
bytes = null;
Debug.Assert(type != null && type.IsEnum);
if (text == string.Empty)
{
return(dnSpy_Debugger_Resources.LocalsEditValue_Error_EnterSomeText);
}
var etype = type.EnumUnderlyingType;
if (etype == CorElementType.End)
{
return("Internal error: type is not an enum");
}
var consts = text.Split('|').Select(a => a.Trim()).ToArray();
bool isFlagsAttr = type.HasAttribute("System.FlagsAttribute");
var fields = type.GetFields(false).Where(a => a.Constant != null && (a.Attributes & (FieldAttributes.Literal | FieldAttributes.Static)) == (FieldAttributes.Literal | FieldAttributes.Static));
bool isInteger = !(etype == CorElementType.R4 || etype == CorElementType.R8);
if (isFlagsAttr && isInteger)
{
var dict = new Dictionary <string, object>();
foreach (var f in fields)
{
if (!dict.ContainsKey(f.Name))
{
dict[f.Name] = f.Constant;
}
}
ulong value = 0;
foreach (var c in consts)
{
ulong? newv;
object o;
string error;
if (dict.TryGetValue(c, out o))
{
newv = IntegerToUInt64ZeroExtend(o);
}
else
{
newv = ParseIntegerConstant(etype, c, out error);
}
if (newv == null)
{
return(string.Format(dnSpy_Debugger_Resources.LocalsEditValue_Error_UnknownEnumValue, c));
}
value |= newv.Value;
}
bytes = Convert(etype, ConvertUInt64(etype, value));
if (bytes != null)
{
return(null);
}
}
else
{
if (consts.Length != 1)
{
return(dnSpy_Debugger_Resources.LocalsEditValue_Error_InvalidEnumValue);
}
var c = consts[0];
foreach (var field in fields)
{
if (field.Name == c)
{
bytes = Convert(etype, field.Constant);
if (bytes != null)
{
return(null);
}
}
}
if (isInteger)
{
string error;
var newv = ParseIntegerConstant(etype, c, out error);
if (newv != null)
{
bytes = Convert(etype, ConvertUInt64(etype, newv.Value));
if (bytes != null)
{
return(null);
}
}
}
else
{
if (etype == CorElementType.R4)
{
float v;
if (float.TryParse(c, out v))
{
bytes = BitConverter.GetBytes(v);
return(null);
}
}
else
{
Debug.Assert(etype == CorElementType.R8);
double v;
if (double.TryParse(c, out v))
{
bytes = BitConverter.GetBytes(v);
return(null);
}
}
}
}
return(dnSpy_Debugger_Resources.LocalsEditValue_Error_InvalidEnumValue);
}
public bool HasAttribute(string attributeName) => debugger.Dispatcher.UI(() => type.HasAttribute(attributeName));
