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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.Diagnostics;
namespace System.Reflection.Metadata
{
public readonly struct Parameter
{
private readonly MetadataReader _reader;
// Workaround: JIT doesn't generate good code for nested structures, so use RowId.
private readonly int _rowId;
internal Parameter(MetadataReader reader, ParameterHandle handle)
{
Debug.Assert(reader != null);
Debug.Assert(!handle.IsNil);
_reader = reader;
_rowId = handle.RowId;
}
private ParameterHandle Handle
{
get { return ParameterHandle.FromRowId(_rowId); }
}
public ParameterAttributes Attributes
{
get
{
return _reader.ParamTable.GetFlags(Handle);
}
}
public int SequenceNumber
{
get
{
return _reader.ParamTable.GetSequence(Handle);
}
}
public StringHandle Name
{
get
{
return _reader.ParamTable.GetName(Handle);
}
}
public ConstantHandle GetDefaultValue()
{
return _reader.ConstantTable.FindConstant(Handle);
}
public BlobHandle GetMarshallingDescriptor()
{
int marshalRowId = _reader.FieldMarshalTable.FindFieldMarshalRowId(Handle);
if (marshalRowId == 0)
{
return default(BlobHandle);
}
return _reader.FieldMarshalTable.GetNativeType(marshalRowId);
}
public CustomAttributeHandleCollection GetCustomAttributes()
{
return new CustomAttributeHandleCollection(_reader, Handle);
}
}
}
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