/
MethodSpecification.cs
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/
MethodSpecification.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections.Immutable;
using System.Diagnostics;
namespace System.Reflection.Metadata
{
public readonly struct MethodSpecification
{
private readonly MetadataReader _reader;
// Workaround: JIT doesn't generate good code for nested structures, so use RowId.
private readonly int _rowId;
internal MethodSpecification(MetadataReader reader, MethodSpecificationHandle handle)
{
Debug.Assert(reader != null);
Debug.Assert(!handle.IsNil);
_reader = reader;
_rowId = handle.RowId;
}
private MethodSpecificationHandle Handle
{
get { return MethodSpecificationHandle.FromRowId(_rowId); }
}
/// <summary>
/// MethodDef or MemberRef handle specifying to which generic method this <see cref="MethodSpecification"/> refers,
/// that is which generic method is it an instantiation of.
/// </summary>
public EntityHandle Method
{
get
{
return _reader.MethodSpecTable.GetMethod(Handle);
}
}
/// <summary>
/// Gets a handle to the signature blob.
/// </summary>
public BlobHandle Signature
{
get
{
return _reader.MethodSpecTable.GetInstantiation(Handle);
}
}
public ImmutableArray<TType> DecodeSignature<TType, TGenericContext>(ISignatureTypeProvider<TType, TGenericContext> provider, TGenericContext genericContext)
{
var decoder = new Ecma335.SignatureDecoder<TType, TGenericContext>(provider, _reader, genericContext);
var blobReader = _reader.GetBlobReader(Signature);
return decoder.DecodeMethodSpecificationSignature(ref blobReader);
}
public CustomAttributeHandleCollection GetCustomAttributes()
{
return new CustomAttributeHandleCollection(_reader, Handle);
}
}
}