public unsafe int GetSignature(
int bufferLength,
out int count,
[In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 0), Out] byte[] signature)
{
var localSignatureHandle = _symMethod.MetadataReader.GetMethodDebugInformation(_symMethod.DebugHandle).LocalSignature;
var metadataImport = _symMethod.SymReader.PdbReader.GetMetadataImport();
var local = _symMethod.MetadataReader.GetLocalVariable(_handle);
byte *signaturePtr;
int signatureLength;
int hr = metadataImport.GetSigFromToken(MetadataTokens.GetToken(localSignatureHandle), out signaturePtr, out signatureLength);
if (hr != HResult.S_OK)
{
count = 0;
return(hr);
}
var signatureReader = new BlobReader(signaturePtr, signatureLength);
SignatureHeader header = signatureReader.ReadSignatureHeader();
if (header.Kind != SignatureKind.LocalVariables)
{
count = 0;
return(HResult.E_FAIL);
}
int slotCount = signatureReader.ReadCompressedInteger();
int slotIndex = local.Index;
if (slotIndex >= slotCount)
{
count = 0;
return(HResult.E_FAIL);
}
var typeProvider = new DummyTypeProvider(_symMethod.MetadataReader);
var decoder = new SignatureDecoder <object>(typeProvider);
for (int i = 0; i < slotIndex - 1; i++)
{
decoder.DecodeType(ref signatureReader, allowTypeSpecifications: false);
}
int localSlotStart = signatureReader.Offset;
decoder.DecodeType(ref signatureReader, allowTypeSpecifications: false);
int localSlotLength = signatureReader.Offset - localSlotStart;
if (localSlotLength <= bufferLength)
{
Marshal.Copy((IntPtr)(signaturePtr + localSlotStart), signature, 0, localSlotLength);
}
count = localSlotLength;
return(HResult.S_OK);
}
public unsafe int GetSignature(
int bufferLength,
out int count,
[In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 0), Out]byte[] signature)
{
var localSignatureHandle = _symMethod.MetadataReader.GetMethodBody(_symMethod.BodyHandle).LocalSignature;
var metadataImport = _symMethod.SymReader.PdbReader.MetadataImport;
var local = _symMethod.MetadataReader.GetLocalVariable(_handle);
byte* signaturePtr;
int signatureLength;
int hr = metadataImport.GetSigFromToken(MetadataTokens.GetToken(localSignatureHandle), out signaturePtr, out signatureLength);
if (hr != HResult.S_OK)
{
count = 0;
return hr;
}
var signatureReader = new BlobReader(signaturePtr, signatureLength);
SignatureHeader header = signatureReader.ReadSignatureHeader();
if (header.Kind != SignatureKind.LocalVariables)
{
count = 0;
return HResult.E_FAIL;
}
int slotCount = signatureReader.ReadCompressedInteger();
int slotIndex = local.Index;
if (slotIndex >= slotCount)
{
count = 0;
return HResult.E_FAIL;
}
var typeProvider = new DummyTypeProvider(_symMethod.MetadataReader);
for (int i = 0; i < slotIndex - 1; i++)
{
SignatureDecoder.DecodeType(ref signatureReader, typeProvider);
}
int localSlotStart = signatureReader.Offset;
SignatureDecoder.DecodeType(ref signatureReader, typeProvider);
int localSlotLength = signatureReader.Offset - localSlotStart;
if (localSlotLength <= bufferLength)
{
Marshal.Copy((IntPtr)(signaturePtr + localSlotStart), signature, 0, localSlotLength);
}
count = localSlotLength;
return HResult.S_OK;
}
