// cf. MetadataDecoder<>.DecodeParameterOrThrow.
private ParameterSignature DecodeParameter(ref BlobReader signatureReader)
{
bool isByRef = false;
while (true)
{
var typeCode = signatureReader.ReadSignatureTypeCode();
switch (typeCode)
{
case SignatureTypeCode.RequiredModifier:
case SignatureTypeCode.OptionalModifier:
// Skip modifiers.
break;
case SignatureTypeCode.ByReference:
isByRef = true;
break;
default:
var type = DecodeType(ref signatureReader, typeCode);
return new ParameterSignature(type, isByRef);
}
}
}
// cf. MetadataDecoder<>.DecodeGenericTypeInstanceOrThrow.
private TypeSignature DecodeGenericTypeInstance(ref BlobReader signatureReader)
{
var typeCode = signatureReader.ReadSignatureTypeCode();
var typeHandle = signatureReader.ReadTypeHandle();
var typeArguments = DecodeGenericTypeArguments(ref signatureReader);
int typeArgumentOffset = 0;
var type = DecodeType(typeHandle, typeArguments, ref typeArgumentOffset);
if (typeArgumentOffset != typeArguments.Length)
{
// Generic type reference names must include arity
// to avoid loading referenced assemblies.
throw UnhandledMetadata();
}
return type;
}
// Ignore modifiers and decode type.
private TypeSignature DecodeModifiersAndType(ref BlobReader signatureReader)
{
while (true)
{
var typeCode = signatureReader.ReadSignatureTypeCode();
switch (typeCode)
{
case SignatureTypeCode.RequiredModifier:
case SignatureTypeCode.OptionalModifier:
// Skip modifiers.
break;
default:
return DecodeType(ref signatureReader, typeCode);
}
}
}
