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import from UniRx and some modified.

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This commit is contained in:
Yoshifumi Kawai
2019-05-20 00:14:47 +09:00
parent d5dab7fd1a
commit 5aaeb13c5d
246 changed files with 20742 additions and 19 deletions
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274
Assets/UniRx.Async/CompilerServices/AsyncUniTaskMethodBuilder.cs Normal file
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#if CSHARP_7_OR_LATER || (UNITY_2018_3_OR_NEWER && (NET_STANDARD_2_0 || NET_4_6))
#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Security;
namespace UniRx.Async.CompilerServices
{
public struct AsyncUniTaskMethodBuilder
{
UniTaskCompletionSource promise;
Action moveNext;
// 1. Static Create method.
[DebuggerHidden]
public static AsyncUniTaskMethodBuilder Create()
{
var builder = new AsyncUniTaskMethodBuilder();
return builder;
}
// 2. TaskLike Task property.
[DebuggerHidden]
public UniTask Task
{
get
{
if (promise != null)
{
return promise.Task;
}
if (moveNext == null)
{
return UniTask.CompletedTask;
}
else
{
promise = new UniTaskCompletionSource();
return promise.Task;
}
}
}
// 3. SetException
[DebuggerHidden]
public void SetException(Exception exception)
{
if (promise == null)
{
promise = new UniTaskCompletionSource();
}
if (exception is OperationCanceledException ex)
{
promise.TrySetCanceled(ex);
}
else
{
promise.TrySetException(exception);
}
}
// 4. SetResult
[DebuggerHidden]
public void SetResult()
{
if (moveNext == null)
{
}
else
{
if (promise == null)
{
promise = new UniTaskCompletionSource();
}
promise.TrySetResult();
}
}
// 5. AwaitOnCompleted
[DebuggerHidden]
public void AwaitOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine)
where TAwaiter : INotifyCompletion
where TStateMachine : IAsyncStateMachine
{
if (moveNext == null)
{
if (promise == null)
{
promise = new UniTaskCompletionSource(); // built future.
}
var runner = new MoveNextRunner<TStateMachine>();
moveNext = runner.Run;
runner.StateMachine = stateMachine; // set after create delegate.
}
awaiter.OnCompleted(moveNext);
}
// 6. AwaitUnsafeOnCompleted
[DebuggerHidden]
[SecuritySafeCritical]
public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine)
where TAwaiter : ICriticalNotifyCompletion
where TStateMachine : IAsyncStateMachine
{
if (moveNext == null)
{
if (promise == null)
{
promise = new UniTaskCompletionSource(); // built future.
}
var runner = new MoveNextRunner<TStateMachine>();
moveNext = runner.Run;
runner.StateMachine = stateMachine; // set after create delegate.
}
awaiter.UnsafeOnCompleted(moveNext);
}
// 7. Start
[DebuggerHidden]
public void Start<TStateMachine>(ref TStateMachine stateMachine)
where TStateMachine : IAsyncStateMachine
{
stateMachine.MoveNext();
}
// 8. SetStateMachine
[DebuggerHidden]
public void SetStateMachine(IAsyncStateMachine stateMachine)
{
}
}
public struct AsyncUniTaskMethodBuilder<T>
{
T result;
UniTaskCompletionSource<T> promise;
Action moveNext;
// 1. Static Create method.
[DebuggerHidden]
public static AsyncUniTaskMethodBuilder<T> Create()
{
var builder = new AsyncUniTaskMethodBuilder<T>();
return builder;
}
// 2. TaskLike Task property.
[DebuggerHidden]
public UniTask<T> Task
{
get
{
if (promise != null)
{
return new UniTask<T>(promise);
}
if (moveNext == null)
{
return new UniTask<T>(result);
}
else
{
promise = new UniTaskCompletionSource<T>();
return new UniTask<T>(promise);
}
}
}
// 3. SetException
[DebuggerHidden]
public void SetException(Exception exception)
{
if (promise == null)
{
promise = new UniTaskCompletionSource<T>();
}
if (exception is OperationCanceledException ex)
{
promise.TrySetCanceled(ex);
}
else
{
promise.TrySetException(exception);
}
}
// 4. SetResult
[DebuggerHidden]
public void SetResult(T result)
{
if (moveNext == null)
{
this.result = result;
}
else
{
if (promise == null)
{
promise = new UniTaskCompletionSource<T>();
}
promise.TrySetResult(result);
}
}
// 5. AwaitOnCompleted
[DebuggerHidden]
public void AwaitOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine)
where TAwaiter : INotifyCompletion
where TStateMachine : IAsyncStateMachine
{
if (moveNext == null)
{
if (promise == null)
{
promise = new UniTaskCompletionSource<T>(); // built future.
}
var runner = new MoveNextRunner<TStateMachine>();
moveNext = runner.Run;
runner.StateMachine = stateMachine; // set after create delegate.
}
awaiter.OnCompleted(moveNext);
}
// 6. AwaitUnsafeOnCompleted
[DebuggerHidden]
[SecuritySafeCritical]
public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine)
where TAwaiter : ICriticalNotifyCompletion
where TStateMachine : IAsyncStateMachine
{
if (moveNext == null)
{
if (promise == null)
{
promise = new UniTaskCompletionSource<T>(); // built future.
}
var runner = new MoveNextRunner<TStateMachine>();
moveNext = runner.Run;
runner.StateMachine = stateMachine; // set after create delegate.
}
awaiter.UnsafeOnCompleted(moveNext);
}
// 7. Start
[DebuggerHidden]
public void Start<TStateMachine>(ref TStateMachine stateMachine)
where TStateMachine : IAsyncStateMachine
{
stateMachine.MoveNext();
}
// 8. SetStateMachine
[DebuggerHidden]
public void SetStateMachine(IAsyncStateMachine stateMachine)
{
}
}
}
#endif