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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.Collections.Generic;
using Internal.Text;
namespace ILCompiler.DependencyAnalysis
{
/// <summary>
/// An <see cref="EmbeddedObjectNode"/> whose sole value is a pointer to a different <see cref="ISymbolNode"/>.
/// <typeparamref name="TTarget"/> represents the node type this pointer points to.
/// </summary>
public abstract class EmbeddedPointerIndirectionNode<TTarget> : EmbeddedObjectNode, ISortableSymbolNode
where TTarget : ISortableSymbolNode
{
private TTarget _targetNode;
/// <summary>
/// Target symbol this node points to.
/// </summary>
public TTarget Target => _targetNode;
internal EmbeddedPointerIndirectionNode(TTarget target)
{
_targetNode = target;
}
public override bool StaticDependenciesAreComputed => true;
public override void EncodeData(ref ObjectDataBuilder dataBuilder, NodeFactory factory, bool relocsOnly)
{
dataBuilder.RequireInitialPointerAlignment();
dataBuilder.EmitPointerReloc(Target);
}
// At minimum, Target needs to be reported as a static dependency by inheritors.
public abstract override IEnumerable<DependencyListEntry> GetStaticDependencies(NodeFactory factory);
int ISymbolNode.Offset => 0;
public virtual void AppendMangledName(NameMangler nameMangler, Utf8StringBuilder sb)
{
sb.Append("_embedded_ptr_");
Target.AppendMangledName(nameMangler, sb);
}
public override int ClassCode => -2055384490;
public override int CompareToImpl(ISortableNode other, CompilerComparer comparer)
{
return comparer.Compare(_targetNode, ((EmbeddedPointerIndirectionNode<TTarget>)other)._targetNode);
}
}
}
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