예제 #1
0
        protected static async Task <TextAndVersion> LoadTextAsync(TextLoader loader, DocumentId documentId, SolutionServices services, bool reportInvalidDataException, CancellationToken cancellationToken)
        {
            try
            {
                using (ExceptionHelpers.SuppressFailFast())
                {
                    var result = await loader.LoadTextAndVersionAsync(services.Workspace, documentId, cancellationToken).ConfigureAwait(continueOnCapturedContext: false);

                    return(result);
                }
            }
            catch (OperationCanceledException)
            {
                // if load text is failed due to a cancellation, make sure we propagate it out to the caller
                throw;
            }
            catch (IOException e)
            {
                services.Workspace.OnWorkspaceFailed(new DocumentDiagnostic(WorkspaceDiagnosticKind.Failure, e.Message, documentId));
                return(TextAndVersion.Create(SourceText.From(string.Empty, Encoding.UTF8), VersionStamp.Default, documentId.GetDebuggerDisplay()));
            }
            catch (InvalidDataException e)
            {
                // TODO: Adjust this behavior in the future if we add support for non-text additional files
                if (reportInvalidDataException)
                {
                    services.Workspace.OnWorkspaceFailed(new DocumentDiagnostic(WorkspaceDiagnosticKind.Failure, e.Message, documentId));
                }

                return(TextAndVersion.Create(SourceText.From(string.Empty, Encoding.UTF8), VersionStamp.Default, documentId.GetDebuggerDisplay()));
            }
        }
예제 #2
0
        protected static TextAndVersion LoadTextSynchronously(TextLoader loader, DocumentId documentId, SolutionServices services, bool reportInvalidDataException, CancellationToken cancellationToken)
        {
            int retries = 0;

            while (true)
            {
                try
                {
                    return(loader.LoadTextAndVersionSynchronously(services.Workspace, documentId, cancellationToken));
                }
                catch (OperationCanceledException)
                {
                    // if load text is failed due to a cancellation, make sure we propagate it out to the caller
                    throw;
                }
                catch (IOException e)
                {
                    if (++retries > MaxRetries)
                    {
                        services.Workspace.OnWorkspaceFailed(new DocumentDiagnostic(WorkspaceDiagnosticKind.Failure, e.Message, documentId));
                        return(TextAndVersion.Create(SourceText.From(string.Empty, Encoding.UTF8), VersionStamp.Default, documentId.GetDebuggerDisplay()));
                    }

                    // fall out to try again
                }
                catch (InvalidDataException e)
                {
                    // TODO: Adjust this behavior in the future if we add support for non-text additional files
                    if (reportInvalidDataException)
                    {
                        services.Workspace.OnWorkspaceFailed(new DocumentDiagnostic(WorkspaceDiagnosticKind.Failure, e.Message, documentId));
                    }

                    return(TextAndVersion.Create(SourceText.From(string.Empty, Encoding.UTF8), VersionStamp.Default, documentId.GetDebuggerDisplay()));
                }

                // try again after a delay
                Thread.Sleep(RetryDelay);
            }
        }
예제 #3
0
        private static async Task <TextAndVersion> LoadTextAsync(TextLoader loader, DocumentId documentId, SolutionServices services, CancellationToken cancellationToken)
        {
            try
            {
                using (ExceptionHelpers.SuppressFailFast())
                {
                    var result = await loader.LoadTextAndVersionAsync(services.Workspace, documentId, cancellationToken).ConfigureAwait(continueOnCapturedContext: false);

                    return(result);
                }
            }
            catch (OperationCanceledException)
            {
                // if load text is failed due to a cancellation, make sure we propagate it out to the caller
                throw;
            }
            catch (Exception e)
            {
                services.Workspace.OnWorkspaceFailed(new DocumentDiagnostic(WorkspaceDiagnosticKind.FileAccessFailure, e.Message, documentId));
                return(TextAndVersion.Create(SourceText.From(string.Empty), VersionStamp.Default, documentId.GetDebuggerDisplay()));
            }
        }