/// <summary>
/// Indicates whether the current object is equal to another object of the same type.
/// </summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// true if the current object is equal to the <paramref name="other"/> parameter; otherwise, false.
/// </returns>
public override bool Equals(SigType other)
{
ValueTypeSigType vtst = other as ValueTypeSigType;
if (vtst == null)
{
return(false);
}
return(base.Equals(other) == true && _token == vtst._token);
}
/// <summary>
/// Parses an elementary field, parameter or property definition.
/// </summary>
/// <param name="module">The metadata module, which contains the attribute blob.</param>
/// <param name="reader">The binary reader to read data From.</param>
/// <param name="sigType">The signature type of the field, parameter or property to read.</param>
/// <returns>An object, which represents the value read From the attribute blob.</returns>
/// <exception cref="System.NotSupportedException"><paramref name="sigType"/> is not yet supported.</exception>
private static object ParseElem(IMetadataModule module, BinaryReader reader, SigType sigType)
{
object result;
switch (sigType.Type)
{
case CilElementType.Boolean:
result = (1 == reader.ReadByte());
break;
case CilElementType.Char:
result = (char)reader.ReadUInt16();
break;
case CilElementType.I1:
result = reader.ReadSByte();
break;
case CilElementType.I2:
result = reader.ReadInt16();
break;
case CilElementType.I4:
result = reader.ReadInt32();
break;
case CilElementType.I8:
result = reader.ReadInt64();
break;
case CilElementType.U1:
result = reader.ReadByte();
break;
case CilElementType.U2:
result = reader.ReadUInt16();
break;
case CilElementType.U4:
result = reader.ReadUInt32();
break;
case CilElementType.U8:
result = reader.ReadUInt64();
break;
case CilElementType.R4:
result = reader.ReadSingle();
break;
case CilElementType.R8:
result = reader.ReadDouble();
break;
case CilElementType.String:
result = ParseSerString(reader);
break;
case CilElementType.Type:
{
string typeName = ParseSerString(reader);
result = Type.GetType(typeName);
}
break;
case CilElementType.Class:
{
string typeName = ParseSerString(reader);
string[] type = typeName.Split(',');
if (type.Length > 1)
{
result = Type.GetType(typeName);
}
else
{
result = Type.GetType(typeName + ", " + module.Name);
}
}
break;
case CilElementType.ValueType:
{
ValueTypeSigType vtSigType = sigType as ValueTypeSigType;
ITypeSystem ts = RuntimeBase.Instance.TypeLoader;
RuntimeType type = ts.GetType(module, vtSigType.Token);
RuntimeType baseType = type.BaseType;
if ("System" == baseType.Namespace && "Enum" == baseType.Name)
{
// Retrieve the value__ field to get the enums integer type
Debug.Assert(type.Fields.Count == 1, "More than one field in the enum.");
RuntimeField value = type.Fields[0];
Debug.Assert(value.Name == "value__", "First field of enum not named value__");
result = ParseElem(module, reader, value.Type);
Type enumType = Type.GetType(type.Namespace + "." + type.Name);
result = Enum.ToObject(enumType, result);
}
else
{
throw new NotSupportedException();
}
}
break;
case CilElementType.Object:
throw new NotSupportedException();
default:
throw new NotSupportedException();
}
return(result);
}
