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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.
// See the LICENSE file in the project root for more information.
using System;
using System.Diagnostics;
using Internal.Text;
using Internal.TypeSystem;
namespace ILCompiler.DependencyAnalysis
{
public class EETypeOptionalFieldsNode : ObjectNode, ISymbolDefinitionNode
{
private EETypeNode _owner;
public EETypeOptionalFieldsNode(EETypeNode owner)
{
_owner = owner;
}
public override ObjectNodeSection Section
{
get
{
if (_owner.Type.Context.Target.IsWindows)
return ObjectNodeSection.FoldableReadOnlyDataSection;
else
return ObjectNodeSection.DataSection;
}
}
public override bool StaticDependenciesAreComputed => true;
public void AppendMangledName(NameMangler nameMangler, Utf8StringBuilder sb)
{
sb.Append("__optionalfields_");
_owner.AppendMangledName(nameMangler, sb);
}
public int Offset => 0;
public override bool IsShareable => true;
protected override string GetName(NodeFactory factory) => this.GetMangledName(factory.NameMangler);
public override bool ShouldSkipEmittingObjectNode(NodeFactory factory)
{
_owner.ComputeOptionalEETypeFields(factory, relocsOnly: false);
return _owner.ShouldSkipEmittingObjectNode(factory) || !_owner.HasOptionalFields;
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory, relocsOnly);
objData.RequireInitialAlignment(1);
objData.AddSymbol(this);
if (!relocsOnly)
{
_owner.ComputeOptionalEETypeFields(factory, relocsOnly: false);
objData.EmitBytes(_owner.GetOptionalFieldsData());
}
return objData.ToObjectData();
}
public override int ClassCode => 821718028;
public override int CompareToImpl(ISortableNode other, CompilerComparer comparer)
{
return SortableDependencyNode.CompareImpl(_owner, ((EETypeOptionalFieldsNode)other)._owner, comparer);
}
}
}
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