hybridclr_unity/Editor/Meta/GenericClass.cs

75 lines
2.1 KiB
C#

using dnlib.DotNet;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
namespace HybridCLR.Editor.Meta
{
public class GenericClass
{
public TypeDef Type { get; }
public List<TypeSig> KlassInst { get; }
private readonly int _hashCode;
public GenericClass(TypeDef type, List<TypeSig> classInst)
{
Type = type;
KlassInst = classInst;
_hashCode = ComputHashCode();
}
public GenericClass ToGenericShare()
{
return new GenericClass(Type, MetaUtil.ToShareTypeSigs(KlassInst));
}
public override bool Equals(object obj)
{
if (obj is GenericClass gc)
{
return Type == gc.Type && EqualityUtil.EqualsTypeSigArray(KlassInst, gc.KlassInst);
}
return false;
}
public override int GetHashCode()
{
return _hashCode;
}
private int ComputHashCode()
{
int hash = TypeEqualityComparer.Instance.GetHashCode(Type);
if (KlassInst != null)
{
hash = HashUtil.CombineHash(hash, HashUtil.ComputHash(KlassInst));
}
return hash;
}
public TypeSig ToTypeSig()
{
return new GenericInstSig(this.Type.ToTypeSig().ToClassOrValueTypeSig(), this.KlassInst);
}
public static GenericClass ResolveClass(TypeSpec type, GenericArgumentContext ctx)
{
var sig = type.TypeSig.ToGenericInstSig();
if (sig == null)
{
return null;
}
TypeDef def = type.ResolveTypeDef();
if (def == null)
{
Debug.LogWarning($"type:{type} ResolveTypeDef() == null");
return null;
}
var klassInst = ctx != null ? sig.GenericArguments.Select(ga => MetaUtil.Inflate(ga, ctx)).ToList() : sig.GenericArguments.ToList();
return new GenericClass(def, klassInst);
}
}
}