public ImmutableArray <TType> DecodeLocalSignature <TType>(ISignatureTypeProvider <TType> provider)
{
var decoder = new SignatureDecoder <TType>(provider, _reader);
var blobReader = _reader.GetBlobReader(Signature);
return(decoder.DecodeLocalSignature(ref blobReader));
}
ImmutableArray <TType> DecodeLocalSignature <TType>(ISignatureTypeProvider <TType> provider, SignatureDecoderOptions options = SignatureDecoderOptions.None)
{
var decoder = new SignatureDecoder <TType>(provider, _reader, options);
var blobReader = _reader.GetBlobReader(Signature);
return(decoder.DecodeLocalSignature(ref blobReader));
}
internal static CilLocal[] DecodeLocalSignature(MethodBodyBlock methodBody, MetadataReader metadataReader, CilTypeProvider provider)
{
if (methodBody.LocalSignature.IsNil)
{
return(new CilLocal[0]);
}
ImmutableArray <CilType> localTypes = SignatureDecoder.DecodeLocalSignature(methodBody.LocalSignature, provider);
CilLocal[] locals = new CilLocal[localTypes.Length];
for (int i = 0; i < localTypes.Length; i++)
{
string name = "V_" + i;
locals[i] = new CilLocal(name, localTypes[i].ToString());
}
return(locals);
}
public void WrongSignatureType()
{
using (FileStream stream = File.OpenRead(AssemblyPathHelper.GetAssemblyLocation(typeof(VarArgsToDecode).GetTypeInfo().Assembly)))
using (var peReader = new PEReader(stream))
{
MetadataReader reader = peReader.GetMetadataReader();
var provider = new DisassemblingTypeProvider();
var decoder = new SignatureDecoder <string, DisassemblingGenericContext>(provider, reader, genericContext: null);
BlobReader fieldSignature = reader.GetBlobReader(reader.GetFieldDefinition(MetadataTokens.FieldDefinitionHandle(1)).Signature);
BlobReader methodSignature = reader.GetBlobReader(reader.GetMethodDefinition(MetadataTokens.MethodDefinitionHandle(1)).Signature);
BlobReader propertySignature = reader.GetBlobReader(reader.GetPropertyDefinition(MetadataTokens.PropertyDefinitionHandle(1)).Signature);
Assert.Throws <BadImageFormatException>(() => decoder.DecodeMethodSignature(ref fieldSignature));
Assert.Throws <BadImageFormatException>(() => decoder.DecodeFieldSignature(ref methodSignature));
Assert.Throws <BadImageFormatException>(() => decoder.DecodeLocalSignature(ref propertySignature));
}
}
/// <summary>
/// Get the types of the local variables given the metadata token for the local variable
/// signature. This method is used for debugging support.
/// </summary>
/// <param name="mdToken">Local variable signature metadata token</param>
/// <returns>Immutable array of local variable types. The types are ordered by the local slot number</returns>
public ImmutableArray <IrisType> DecodeLocalVariableTypes(int mdToken)
{
StandaloneSignatureHandle localVarSigHandle = (StandaloneSignatureHandle)MetadataTokens.EntityHandle(mdToken);
return(SignatureDecoder.DecodeLocalSignature(localVarSigHandle, IrisTypeProvider));
}