using UnityEngine;
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using System.Collections.Generic;
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using ILRuntime.Other;
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using System;
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using System.Collections;
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using ILRuntime.Runtime.Enviorment;
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using ILRuntime.Runtime.Intepreter;
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using ILRuntime.CLR.Method;
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namespace ILCrossBinding
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{
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public class CoroutineAdapter : CrossBindingAdaptor
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{
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public override Type BaseCLRType
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{
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get
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{
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return null;
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}
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}
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public override Type[] BaseCLRTypes
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{
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get
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{
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//跨域继承只能有1个Adapter，因此应该尽量避免一个类同时实现多个外部接口，对于coroutine来说是IEnumerator<object>,IEnumerator和IDisposable，
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//ILRuntime虽然支持，但是一定要小心这种用法，使用不当很容易造成不可预期的问题
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//日常开发如果需要实现多个DLL外部接口，请在Unity这边先做一个基类实现那些个接口，然后继承那个基类
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return new Type[] { typeof(IEnumerator<object>), typeof(IEnumerator), typeof(IDisposable) };
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}
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}
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public override Type AdaptorType
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{
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get
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{
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return typeof(Adaptor);
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}
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}
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public override object CreateCLRInstance(ILRuntime.Runtime.Enviorment.AppDomain appdomain, ILTypeInstance instance)
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{
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return new Adaptor(appdomain, instance);
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}
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//Coroutine生成的类实现了IEnumerator<System.Object>, IEnumerator, IDisposable,所以都要实现，这个可以通过reflector之类的IL反编译软件得知
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internal class Adaptor : IEnumerator<System.Object>, IEnumerator, IDisposable, CrossBindingAdaptorType
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{
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ILTypeInstance instance;
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ILRuntime.Runtime.Enviorment.AppDomain appdomain;
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public Adaptor()
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{
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}
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public Adaptor(ILRuntime.Runtime.Enviorment.AppDomain appdomain, ILTypeInstance instance)
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{
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this.appdomain = appdomain;
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this.instance = instance;
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}
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public ILTypeInstance ILInstance { get { return instance; } }
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IMethod mCurrentMethod;
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bool mCurrentMethodGot;
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public object Current
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{
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get
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{
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if (!mCurrentMethodGot)
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{
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mCurrentMethod = instance.Type.GetMethod("get_Current", 0);
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if (mCurrentMethod == null)
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{
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//这里写System.Collections.IEnumerator.get_Current而不是直接get_Current是因为coroutine生成的类是显式实现这个接口的，通过Reflector等反编译软件可得知
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//为了兼容其他只实现了单一Current属性的，所以上面先直接取了get_Current
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mCurrentMethod = instance.Type.GetMethod("System.Collections.IEnumerator.get_Current", 0);
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}
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mCurrentMethodGot = true;
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}
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if (mCurrentMethod != null)
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{
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var res = appdomain.Invoke(mCurrentMethod, instance, null);
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return res;
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}
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else
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{
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return null;
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}
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}
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}
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IMethod mDisposeMethod;
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bool mDisposeMethodGot;
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public void Dispose()
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{
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if (!mDisposeMethodGot)
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{
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mDisposeMethod = instance.Type.GetMethod("Dispose", 0);
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if (mDisposeMethod == null)
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{
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mDisposeMethod = instance.Type.GetMethod("System.IDisposable.Dispose", 0);
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}
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mDisposeMethodGot = true;
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}
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if (mDisposeMethod != null)
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{
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appdomain.Invoke(mDisposeMethod, instance, null);
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}
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}
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IMethod mMoveNextMethod;
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bool mMoveNextMethodGot;
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public bool MoveNext()
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{
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if (!mMoveNextMethodGot)
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{
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mMoveNextMethod = instance.Type.GetMethod("MoveNext", 0);
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mMoveNextMethodGot = true;
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}
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if (mMoveNextMethod != null)
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{
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return (bool)appdomain.Invoke(mMoveNextMethod, instance, null);
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}
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else
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{
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return false;
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}
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}
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IMethod mResetMethod;
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bool mResetMethodGot;
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public void Reset()
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{
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if (!mResetMethodGot)
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{
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mResetMethod = instance.Type.GetMethod("Reset", 0);
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mResetMethodGot = true;
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}
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if (mResetMethod != null)
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{
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appdomain.Invoke(mResetMethod, instance, null);
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}
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}
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public override string ToString()
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{
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IMethod m = appdomain.ObjectType.GetMethod("ToString", 0);
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m = instance.Type.GetVirtualMethod(m);
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if (m == null || m is ILMethod)
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{
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return instance.ToString();
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}
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else
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return instance.Type.FullName;
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}
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}
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}
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}
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