private static ImmutableArray <byte> CreateSnPublicKeyBlob(
byte type,
byte version,
uint algId,
uint magic,
uint bitLen,
uint pubExp,
byte[] pubKeyData)
{
var w = new BlobWriter(3 * sizeof(uint) + s_offsetToKeyData + pubKeyData.Length);
w.WriteUInt32(AlgorithmId.RsaSign);
w.WriteUInt32(AlgorithmId.Sha);
w.WriteUInt32((uint)(s_offsetToKeyData + pubKeyData.Length));
w.WriteByte(type);
w.WriteByte(version);
w.WriteUInt16(0 /* 16 bits of reserved space in the spec */);
w.WriteUInt32(algId);
w.WriteUInt32(magic);
w.WriteUInt32(bitLen);
// re-add padding for exponent
w.WriteUInt32(pubExp);
w.WriteBytes(pubKeyData);
return(w.ToImmutableArray());
}
internal static void WriteCompressedSignedInteger(ref BlobWriter writer, int value)
{
unchecked
{
const int b6 = (1 << 6) - 1;
const int b13 = (1 << 13) - 1;
const int b28 = (1 << 28) - 1;
// 0xffffffff for negative value
// 0x00000000 for non-negative
int signMask = value >> 31;
if ((value & ~b6) == (signMask & ~b6))
{
int n = ((value & b6) << 1) | (signMask & 1);
writer.WriteByte((byte)n);
}
else if ((value & ~b13) == (signMask & ~b13))
{
int n = ((value & b13) << 1) | (signMask & 1);
writer.WriteUInt16BE((ushort)(0x8000 | n));
}
else if ((value & ~b28) == (signMask & ~b28))
{
int n = ((value & b28) << 1) | (signMask & 1);
writer.WriteUInt32BE(0xc0000000 | (uint)n);
}
else
{
ThrowValueArgumentOutOfRange();
}
}
}
private static ImmutableArray <byte> CreateSnPublicKeyBlob(byte type, byte version, ushort reserved, uint algId, uint magic, uint bitLen, uint pubExp, byte[] pubKeyData)
{
var w = new BlobWriter(3 * sizeof(uint) + s_offsetToKeyData + pubKeyData.Length);
w.WriteUInt32(AlgorithmId.RsaSign);
w.WriteUInt32(AlgorithmId.Sha);
w.WriteUInt32((uint)(s_offsetToKeyData + pubKeyData.Length));
w.WriteByte(type);
w.WriteByte(version);
w.WriteUInt16(reserved);
w.WriteUInt32(algId);
w.WriteUInt32(magic);
w.WriteUInt32(bitLen);
w.WriteUInt32(pubExp);
w.WriteBytes(pubKeyData);
return(w.ToImmutableArray());
}
public void ReserveBytes1()
{
var builder = new BlobBuilder(16);
var writer0 = new BlobWriter(builder.ReserveBytes(0));
var writer1 = new BlobWriter(builder.ReserveBytes(1));
var writer2 = new BlobWriter(builder.ReserveBytes(2));
Assert.Equal(3, builder.Count);
AssertEx.Equal(new byte[] { 0, 0, 0 }, builder.ToArray());
Assert.Equal(0, writer0.Length);
Assert.Equal(0, writer0.RemainingBytes);
writer1.WriteBoolean(true);
Assert.Equal(1, writer1.Length);
Assert.Equal(0, writer1.RemainingBytes);
writer2.WriteByte(1);
Assert.Equal(2, writer2.Length);
Assert.Equal(1, writer2.RemainingBytes);
}
internal static void WriteCompressedInteger(ref BlobWriter writer, int value)
{
unchecked
{
if (value <= SingleByteCompressedIntegerMaxValue)
{
writer.WriteByte((byte)value);
}
else if (value <= TwoByteCompressedIntegerMaxValue)
{
writer.WriteUInt16BE((ushort)(0x8000 | value));
}
else if (value <= MaxCompressedIntegerValue)
{
writer.WriteUInt32BE(0xc0000000 | (uint)value);
}
else
{
ThrowValueArgumentOutOfRange();
}
}
}
internal static void WriteCompressedInteger(ref BlobWriter writer, int value)
{
unchecked
{
if (value <= SingleByteCompressedIntegerMaxValue)
{
writer.WriteByte((byte)value);
}
else if (value <= TwoByteCompressedIntegerMaxValue)
{
writer.WriteUInt16BE((ushort)(0x8000 | value));
}
else if (value <= MaxCompressedIntegerValue)
{
writer.WriteUInt32BE(0xc0000000 | (uint)value);
}
else
{
ThrowValueArgumentOutOfRange();
}
}
}
public void ReserveBytes1()
{
var builder = new BlobBuilder(16);
var writer0 = new BlobWriter(builder.ReserveBytes(0));
var writer1 = new BlobWriter(builder.ReserveBytes(1));
var writer2 = new BlobWriter(builder.ReserveBytes(2));
Assert.Equal(3, builder.Count);
AssertEx.Equal(new byte[] { 0, 0, 0 }, builder.ToArray());
Assert.Equal(0, writer0.Length);
Assert.Equal(0, writer0.RemainingBytes);
writer1.WriteBoolean(true);
Assert.Equal(1, writer1.Length);
Assert.Equal(0, writer1.RemainingBytes);
writer2.WriteByte(1);
Assert.Equal(2, writer2.Length);
Assert.Equal(1, writer2.RemainingBytes);
}
internal static void WriteConstant(ref BlobWriter writer, object value)
{
if (value == null)
{
// The encoding of Type for the nullref value for FieldInit is ELEMENT_TYPE_CLASS with a Value of a 32-bit.
writer.WriteUInt32(0);
return;
}
var type = value.GetType();
if (type.GetTypeInfo().IsEnum)
{
type = Enum.GetUnderlyingType(type);
}
if (type == typeof(bool))
{
writer.WriteBoolean((bool)value);
}
else if (type == typeof(int))
{
writer.WriteInt32((int)value);
}
else if (type == typeof(string))
{
writer.WriteUTF16((string)value);
}
else if (type == typeof(byte))
{
writer.WriteByte((byte)value);
}
else if (type == typeof(char))
{
writer.WriteUInt16((char)value);
}
else if (type == typeof(double))
{
writer.WriteDouble((double)value);
}
else if (type == typeof(short))
{
writer.WriteInt16((short)value);
}
else if (type == typeof(long))
{
writer.WriteInt64((long)value);
}
else if (type == typeof(sbyte))
{
writer.WriteSByte((sbyte)value);
}
else if (type == typeof(float))
{
writer.WriteSingle((float)value);
}
else if (type == typeof(ushort))
{
writer.WriteUInt16((ushort)value);
}
else if (type == typeof(uint))
{
writer.WriteUInt32((uint)value);
}
else if (type == typeof(ulong))
{
writer.WriteUInt64((ulong)value);
}
else
{
// TODO: message
throw new ArgumentException();
}
}
internal static void WriteCompressedSignedInteger(ref BlobWriter writer, int value)
{
unchecked
{
const int b6 = (1 << 6) - 1;
const int b13 = (1 << 13) - 1;
const int b28 = (1 << 28) - 1;
// 0xffffffff for negative value
// 0x00000000 for non-negative
int signMask = value >> 31;
if ((value & ~b6) == (signMask & ~b6))
{
int n = ((value & b6) << 1) | (signMask & 1);
writer.WriteByte((byte)n);
}
else if ((value & ~b13) == (signMask & ~b13))
{
int n = ((value & b13) << 1) | (signMask & 1);
writer.WriteUInt16BE((ushort)(0x8000 | n));
}
else if ((value & ~b28) == (signMask & ~b28))
{
int n = ((value & b28) << 1) | (signMask & 1);
writer.WriteUInt32BE(0xc0000000 | (uint)n);
}
else
{
ThrowValueArgumentOutOfRange();
}
}
}
internal static void WriteConstant(ref BlobWriter writer, object value)
{
if (value == null)
{
// The encoding of Type for the nullref value for FieldInit is ELEMENT_TYPE_CLASS with a Value of a 32-bit.
writer.WriteUInt32(0);
return;
}
var type = value.GetType();
if (type.GetTypeInfo().IsEnum)
{
type = Enum.GetUnderlyingType(type);
}
if (type == typeof(bool))
{
writer.WriteBoolean((bool)value);
}
else if (type == typeof(int))
{
writer.WriteInt32((int)value);
}
else if (type == typeof(string))
{
writer.WriteUTF16((string)value);
}
else if (type == typeof(byte))
{
writer.WriteByte((byte)value);
}
else if (type == typeof(char))
{
writer.WriteUInt16((char)value);
}
else if (type == typeof(double))
{
writer.WriteDouble((double)value);
}
else if (type == typeof(short))
{
writer.WriteInt16((short)value);
}
else if (type == typeof(long))
{
writer.WriteInt64((long)value);
}
else if (type == typeof(sbyte))
{
writer.WriteSByte((sbyte)value);
}
else if (type == typeof(float))
{
writer.WriteSingle((float)value);
}
else if (type == typeof(ushort))
{
writer.WriteUInt16((ushort)value);
}
else if (type == typeof(uint))
{
writer.WriteUInt32((uint)value);
}
else if (type == typeof(ulong))
{
writer.WriteUInt64((ulong)value);
}
else
{
// TODO: message
throw new ArgumentException();
}
}
// internal for testing
internal static byte[] SerializeCustomDebugMetadata(ArrayBuilder<PooledBlobBuilder> recordWriters)
{
if (recordWriters.Count == 0)
{
return null;
}
int records = 0;
foreach(var rec in recordWriters)
{
records += rec.Count;
}
var result = new byte[
sizeof(byte) + // version
sizeof(byte) + // record count
sizeof(ushort) + // padding
records // records
];
var cmw = new BlobWriter(result);
cmw.WriteByte(CustomDebugInfoConstants.Version);
cmw.WriteByte((byte)recordWriters.Count); // count
cmw.WriteInt16(0);
foreach (var recordWriter in recordWriters)
{
cmw.WriteBytes(recordWriter);
}
return result;
}
private static PooledBlobBuilder SerializeRecord(
CustomDebugInfoKind kind,
EditAndContinueMethodDebugInformation debugInfo,
Action<EditAndContinueMethodDebugInformation, BlobBuilder> recordSerializer)
{
var cmw = PooledBlobBuilder.GetInstance();
cmw.WriteByte(CustomDebugInfoConstants.Version);
cmw.WriteByte((byte)kind);
cmw.WriteByte(0);
// alignment size and length (will be patched)
var alignmentSizeAndLengthWriter = new BlobWriter(cmw.ReserveBytes(sizeof(byte) + sizeof(uint)));
recordSerializer(debugInfo, cmw);
int length = cmw.Count;
int alignedLength = 4 * ((length + 3) / 4);
byte alignmentSize = (byte)(alignedLength - length);
cmw.WriteBytes(0, alignmentSize);
// fill in alignment size and length:
alignmentSizeAndLengthWriter.WriteByte(alignmentSize);
alignmentSizeAndLengthWriter.WriteUInt32((uint)alignedLength);
return cmw;
}
