private static void ProcessElfEnum(CSharpConverterOptions cppOptions, CSharpCompilation csCompilation, string enumPrefix, string enumClassName)
{
var ns = csCompilation.Members.OfType <CSharpGeneratedFile>().First().Members.OfType <CSharpNamespace>().First();
var rawElfClass = ns.Members.OfType <CSharpClass>().First();
var enumRawFields = rawElfClass.Members.OfType <CSharpField>().Where(x => (x.Modifiers & CSharpModifiers.Const) != 0 && x.Name.StartsWith(enumPrefix)).ToList();
var enumClass = new CSharpStruct(enumClassName)
{
Modifiers = CSharpModifiers.Partial | CSharpModifiers.ReadOnly
};
ns.Members.Add(enumClass);
bool isReloc = enumPrefix == "R_";
var filteredFields = new List <CSharpField>();
foreach (var enumRawField in enumRawFields)
{
var rawName = enumRawField.Name;
string relocArch = null;
if (isReloc)
{
foreach (var mapReloc in MapRelocMachineToArch)
{
if (rawName.StartsWith(mapReloc.Key))
{
relocArch = mapReloc.Value;
break;
}
}
if (relocArch == null)
{
continue;
}
}
// NUM fields
if (rawName.EndsWith("_NUM"))
{
continue;
}
filteredFields.Add(enumRawField);
var csFieldName = isReloc ? rawName : rawName.Substring(enumPrefix.Length); // discard EM_
if (csFieldName.StartsWith("386"))
{
csFieldName = $"I{csFieldName}";
}
else
{
switch (csFieldName)
{
case "88K":
csFieldName = "M88K";
break;
case "860":
csFieldName = "I860";
break;
case "960":
csFieldName = "I960";
break;
default:
// assume Motorola
if (csFieldName.StartsWith("68"))
{
csFieldName = $"M{csFieldName}";
}
break;
}
}
if (char.IsDigit(csFieldName[0]))
{
throw new InvalidOperationException($"The enum name `{rawName}` starts with a number and needs to be modified");
}
csFieldName = CSharpHelper.EscapeName(csFieldName);
var enumField = new CSharpField(csFieldName)
{
Modifiers = CSharpModifiers.Static | CSharpModifiers.ReadOnly,
FieldType = enumClass,
Visibility = CSharpVisibility.Public,
Comment = enumRawField.Comment,
InitValue = relocArch != null ?
$"new {enumClass.Name}(ElfArch.{relocArch}, {cppOptions.DefaultClassLib}.{rawName})" :
$"new {enumClass.Name}({cppOptions.DefaultClassLib}.{rawName})"
};
enumClass.Members.Add(enumField);
}
var toStringInternal = new CSharpMethod()
{
Name = "ToStringInternal",
Visibility = CSharpVisibility.Private,
ReturnType = CSharpPrimitiveType.String
};
enumClass.Members.Add(toStringInternal);
toStringInternal.Body = (writer, element) =>
{
var values = new HashSet <object>();
if (isReloc)
{
writer.WriteLine("switch (((ulong)Value << 16) | Arch.Value)");
}
else
{
writer.WriteLine("switch (Value)");
}
writer.OpenBraceBlock();
foreach (var rawField in filteredFields)
{
var cppField = ((CppField)rawField.CppElement);
if (isReloc)
{
string relocMachine = null;
foreach (var mapReloc in MapRelocMachineToMachine)
{
if (rawField.Name.StartsWith(mapReloc.Key))
{
relocMachine = mapReloc.Value;
break;
}
}
if (relocMachine == null)
{
continue;
}
if (!values.Add(relocMachine + "$" + cppField.InitValue.Value))
{
continue;
}
writer.WriteLine($"case ((ulong){cppOptions.DefaultClassLib}.{rawField.Name} << 16) | {cppOptions.DefaultClassLib}.{relocMachine} : return \"{rawField.Name}\";");
}
else
{
if (!values.Add(cppField.InitValue.Value))
{
continue;
}
string descriptionText = rawField.Name;
if (cppField.Comment != null)
{
descriptionText += " - " + cppField.Comment.ToString().Replace("\"", "\\\"");
}
descriptionText = descriptionText.Replace("\r\n", "").Replace("\n", "");
writer.WriteLine($"case {cppOptions.DefaultClassLib}.{rawField.Name}: return \"{descriptionText}\";");
}
}
writer.WriteLine($"default: return \"Unknown {enumClassName}\";");
writer.CloseBraceBlock();
};
}