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Add JumpToReferenceAsync() overload to allow detecting when the decom…
…pilation after the jump has finished.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,203 @@ | ||
| // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy of this | ||
| // software and associated documentation files (the "Software"), to deal in the Software | ||
| // without restriction, including without limitation the rights to use, copy, modify, merge, | ||
| // publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons | ||
| // to whom the Software is furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in all copies or | ||
| // substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, | ||
| // INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR | ||
| // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE | ||
| // FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | ||
| // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| // DEALINGS IN THE SOFTWARE. | ||
|
|
||
| using System; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using ICSharpCode.ILSpy.TextView; | ||
|
|
||
| namespace ICSharpCode.ILSpy | ||
| { | ||
| public static class TaskHelper | ||
| { | ||
| public static readonly Task CompletedTask = FromResult<object>(null); | ||
|
|
||
| public static Task<T> FromResult<T>(T result) | ||
| { | ||
| TaskCompletionSource<T> tcs = new TaskCompletionSource<T>(); | ||
| tcs.SetResult(result); | ||
| return tcs.Task; | ||
| } | ||
|
|
||
| public static Task<T> FromException<T>(Exception ex) | ||
| { | ||
| var tcs = new TaskCompletionSource<T>(); | ||
| tcs.SetException(ex); | ||
| return tcs.Task; | ||
| } | ||
|
|
||
| public static Task<T> FromCancellation<T>() | ||
| { | ||
| var tcs = new TaskCompletionSource<T>(); | ||
| tcs.SetCanceled(); | ||
| return tcs.Task; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Sets the result of the TaskCompletionSource based on the result of the finished task. | ||
| /// </summary> | ||
| public static void SetFromTask<T>(this TaskCompletionSource<T> tcs, Task<T> task) | ||
| { | ||
| switch (task.Status) { | ||
| case TaskStatus.RanToCompletion: | ||
| tcs.SetResult(task.Result); | ||
| break; | ||
| case TaskStatus.Canceled: | ||
| tcs.SetCanceled(); | ||
| break; | ||
| case TaskStatus.Faulted: | ||
| tcs.SetException(task.Exception.InnerExceptions); | ||
| break; | ||
| default: | ||
| throw new InvalidOperationException("The input task must have already finished"); | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Sets the result of the TaskCompletionSource based on the result of the finished task. | ||
| /// </summary> | ||
| public static void SetFromTask(this TaskCompletionSource<object> tcs, Task task) | ||
| { | ||
| switch (task.Status) { | ||
| case TaskStatus.RanToCompletion: | ||
| tcs.SetResult(null); | ||
| break; | ||
| case TaskStatus.Canceled: | ||
| tcs.SetCanceled(); | ||
| break; | ||
| case TaskStatus.Faulted: | ||
| tcs.SetException(task.Exception.InnerExceptions); | ||
| break; | ||
| default: | ||
| throw new InvalidOperationException("The input task must have already finished"); | ||
| } | ||
| } | ||
|
|
||
| public static Task Then<T>(this Task<T> task, Action<T> action) | ||
| { | ||
| if (action == null) | ||
| throw new ArgumentNullException("action"); | ||
| return task.ContinueWith(t => action(t.Result), CancellationToken.None, TaskContinuationOptions.NotOnCanceled, TaskScheduler.FromCurrentSynchronizationContext()); | ||
| } | ||
|
|
||
| public static Task<U> Then<T, U>(this Task<T> task, Func<T, U> func) | ||
| { | ||
| if (func == null) | ||
| throw new ArgumentNullException("func"); | ||
| return task.ContinueWith(t => func(t.Result), CancellationToken.None, TaskContinuationOptions.NotOnCanceled, TaskScheduler.FromCurrentSynchronizationContext()); | ||
| } | ||
|
|
||
| public static Task Then<T>(this Task<T> task, Func<T, Task> asyncFunc) | ||
| { | ||
| if (asyncFunc == null) | ||
| throw new ArgumentNullException("asyncFunc"); | ||
| return task.ContinueWith(t => asyncFunc(t.Result), CancellationToken.None, TaskContinuationOptions.NotOnCanceled, TaskScheduler.FromCurrentSynchronizationContext()).Unwrap(); | ||
| } | ||
|
|
||
| public static Task<U> Then<T, U>(this Task<T> task, Func<T, Task<U>> asyncFunc) | ||
| { | ||
| if (asyncFunc == null) | ||
| throw new ArgumentNullException("asyncFunc"); | ||
| return task.ContinueWith(t => asyncFunc(t.Result), CancellationToken.None, TaskContinuationOptions.NotOnCanceled, TaskScheduler.FromCurrentSynchronizationContext()).Unwrap(); | ||
| } | ||
|
|
||
| public static Task Then(this Task task, Action action) | ||
| { | ||
| if (action == null) | ||
| throw new ArgumentNullException("action"); | ||
| return task.ContinueWith(t => { | ||
| t.Wait(); | ||
| action(); | ||
| }, CancellationToken.None, TaskContinuationOptions.NotOnCanceled, TaskScheduler.FromCurrentSynchronizationContext()); | ||
| } | ||
|
|
||
| public static Task<U> Then<U>(this Task task, Func<U> func) | ||
| { | ||
| if (func == null) | ||
| throw new ArgumentNullException("func"); | ||
| return task.ContinueWith(t => { | ||
| t.Wait(); | ||
| return func(); | ||
| }, CancellationToken.None, TaskContinuationOptions.NotOnCanceled, TaskScheduler.FromCurrentSynchronizationContext()); | ||
| } | ||
|
|
||
| public static Task Then(this Task task, Func<Task> asyncAction) | ||
| { | ||
| if (asyncAction == null) | ||
| throw new ArgumentNullException("asyncAction"); | ||
| return task.ContinueWith(t => { | ||
| t.Wait(); | ||
| return asyncAction(); | ||
| }, CancellationToken.None, TaskContinuationOptions.NotOnCanceled, TaskScheduler.FromCurrentSynchronizationContext()).Unwrap(); | ||
| } | ||
|
|
||
| public static Task<U> Then<U>(this Task task, Func<Task<U>> asyncFunc) | ||
| { | ||
| if (asyncFunc == null) | ||
| throw new ArgumentNullException("asyncFunc"); | ||
| return task.ContinueWith(t => { | ||
| t.Wait(); | ||
| return asyncFunc(); | ||
| }, CancellationToken.None, TaskContinuationOptions.NotOnCanceled, TaskScheduler.FromCurrentSynchronizationContext()).Unwrap(); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// If the input task fails, calls the action to handle the error. | ||
| /// </summary> | ||
| /// <returns> | ||
| /// Returns a task that finishes successfully when error handling has completed. | ||
| /// If the input task ran successfully, the returned task completes successfully. | ||
| /// If the input task was cancelled, the returned task is cancelled as well. | ||
| /// </returns> | ||
| public static Task Catch<TException>(this Task task, Action<TException> action) where TException : Exception | ||
| { | ||
| if (action == null) | ||
| throw new ArgumentNullException("action"); | ||
| return task.ContinueWith(t => { | ||
| if (t.IsFaulted) { | ||
| Exception ex = t.Exception; | ||
| while (ex is AggregateException) | ||
| ex = ex.InnerException; | ||
| if (ex is TException) | ||
| action((TException)ex); | ||
| else | ||
| throw t.Exception; | ||
| } | ||
| }, CancellationToken.None, TaskContinuationOptions.NotOnCanceled, TaskScheduler.FromCurrentSynchronizationContext()); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Ignore exceptions thrown by the task. | ||
| /// </summary> | ||
| public static void IgnoreExceptions(this Task task) | ||
| { | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Handle exceptions by displaying the error message in the text view. | ||
| /// </summary> | ||
| public static void HandleExceptions(this Task task) | ||
| { | ||
| task.Catch<Exception>(exception => MainWindow.Instance.Dispatcher.BeginInvoke(new Action(delegate { | ||
| AvalonEditTextOutput output = new AvalonEditTextOutput(); | ||
| output.Write(exception.ToString()); | ||
| MainWindow.Instance.TextView.ShowText(output); | ||
| }))).IgnoreExceptions(); | ||
| } | ||
| } | ||
| } |
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