Exemplo n.º 1
0
 byte[] GetExtraData()
 {
     if (reader.Position >= reader.Length)
     {
         return(null);
     }
     return(reader.ReadRemainingBytes());
 }
Exemplo n.º 2
0
        bool ReadCore(out TypeSig type, out object value)
        {
            if (!recursionCounter.Increment())
            {
                type  = null;
                value = null;
                return(false);
            }

            bool          res;
            ITypeDefOrRef tdr;
            UTF8String    ns, name;
            var           et = (ElementType)reader.ReadByte();

            switch (et)
            {
            case ElementType.Boolean:
                type  = module.CorLibTypes.Boolean;
                value = reader.ReadBoolean();
                if (reader.Position < reader.Length)
                {
                    type = ReadTypeDefOrRefSig();
                }
                res = true;
                break;

            case ElementType.Char:
                type  = module.CorLibTypes.Char;
                value = (char)reader.ReadUInt16();
                if (reader.Position < reader.Length)
                {
                    type = ReadTypeDefOrRefSig();
                }
                res = true;
                break;

            case ElementType.I1:
                type  = module.CorLibTypes.SByte;
                value = reader.ReadSByte();
                if (reader.Position < reader.Length)
                {
                    type = ReadTypeDefOrRefSig();
                }
                res = true;
                break;

            case ElementType.U1:
                type  = module.CorLibTypes.Byte;
                value = reader.ReadByte();
                if (reader.Position < reader.Length)
                {
                    type = ReadTypeDefOrRefSig();
                }
                res = true;
                break;

            case ElementType.I2:
                type  = module.CorLibTypes.Int16;
                value = reader.ReadInt16();
                if (reader.Position < reader.Length)
                {
                    type = ReadTypeDefOrRefSig();
                }
                res = true;
                break;

            case ElementType.U2:
                type  = module.CorLibTypes.UInt16;
                value = reader.ReadUInt16();
                if (reader.Position < reader.Length)
                {
                    type = ReadTypeDefOrRefSig();
                }
                res = true;
                break;

            case ElementType.I4:
                type  = module.CorLibTypes.Int32;
                value = reader.ReadInt32();
                if (reader.Position < reader.Length)
                {
                    type = ReadTypeDefOrRefSig();
                }
                res = true;
                break;

            case ElementType.U4:
                type  = module.CorLibTypes.UInt32;
                value = reader.ReadUInt32();
                if (reader.Position < reader.Length)
                {
                    type = ReadTypeDefOrRefSig();
                }
                res = true;
                break;

            case ElementType.I8:
                type  = module.CorLibTypes.Int64;
                value = reader.ReadInt64();
                if (reader.Position < reader.Length)
                {
                    type = ReadTypeDefOrRefSig();
                }
                res = true;
                break;

            case ElementType.U8:
                type  = module.CorLibTypes.UInt64;
                value = reader.ReadUInt64();
                if (reader.Position < reader.Length)
                {
                    type = ReadTypeDefOrRefSig();
                }
                res = true;
                break;

            case ElementType.R4:
                type  = module.CorLibTypes.Single;
                value = reader.ReadSingle();
                res   = true;
                break;

            case ElementType.R8:
                type  = module.CorLibTypes.Double;
                value = reader.ReadDouble();
                res   = true;
                break;

            case ElementType.String:
                type  = module.CorLibTypes.String;
                value = ReadString();
                res   = true;
                break;

            case ElementType.Ptr:
                res = Read(out type, out value);
                if (res)
                {
                    type = new PtrSig(type);
                }
                break;

            case ElementType.ByRef:
                res = Read(out type, out value);
                if (res)
                {
                    type = new ByRefSig(type);
                }
                break;

            case ElementType.Object:
                type  = module.CorLibTypes.Object;
                value = null;
                res   = true;
                break;

            case ElementType.ValueType:
                tdr   = ReadTypeDefOrRef();
                type  = tdr.ToTypeSig();
                value = null;
                if (GetName(tdr, out ns, out name) && ns == stringSystem && tdr.DefinitionAssembly.IsCorLib())
                {
                    if (name == stringDecimal)
                    {
                        if (reader.Length - reader.Position != 13)
                        {
                            goto default;
                        }
                        try {
                            byte b = reader.ReadByte();
                            value = new Decimal(reader.ReadInt32(), reader.ReadInt32(), reader.ReadInt32(), (b & 0x80) != 0, (byte)(b & 0x7F));
                        }
                        catch {
                            goto default;
                        }
                    }
                    else if (name == stringDateTime)
                    {
                        if (reader.Length - reader.Position != 8)
                        {
                            goto default;
                        }
                        try {
                            value = new DateTime(reader.ReadInt64());
                        }
                        catch {
                            goto default;
                        }
                    }
                }
                if (value == null && reader.Position != reader.Length)
                {
                    value = reader.ReadRemainingBytes();
                }
                res = true;
                break;

            case ElementType.Class:
                type  = new ClassSig(ReadTypeDefOrRef());
                value = reader.Position == reader.Length ? null : reader.ReadRemainingBytes();
                res   = true;
                break;

            case ElementType.CModReqd:
                tdr = ReadTypeDefOrRef();
                res = Read(out type, out value);
                if (res)
                {
                    type = new CModReqdSig(tdr, type);
                }
                break;

            case ElementType.CModOpt:
                tdr = ReadTypeDefOrRef();
                res = Read(out type, out value);
                if (res)
                {
                    type = new CModOptSig(tdr, type);
                }
                break;

            case ElementType.Var:
            case ElementType.Array:
            case ElementType.GenericInst:
            case ElementType.TypedByRef:
            case ElementType.I:
            case ElementType.U:
            case ElementType.FnPtr:
            case ElementType.SZArray:
            case ElementType.MVar:
            case ElementType.End:
            case ElementType.Void:
            case ElementType.ValueArray:
            case ElementType.R:
            case ElementType.Internal:
            case ElementType.Module:
            case ElementType.Sentinel:
            case ElementType.Pinned:
            default:
                Debug.Fail("Unsupported element type in LocalConstant sig blob: " + et.ToString());
                res   = false;
                type  = null;
                value = null;
                break;
            }

            recursionCounter.Decrement();
            return(res);
        }