// Save Project File Logic
/// <summary>
/// Causes the dirty changes to the editor to be saved to the disk. This is called by the <seealso cref="ITextBufferStateListener"/>
/// when it detects the user has saved the temp buffer.
/// </summary>
public async Task SaveProjectFileAsync()
{
lock (_lock)
{
// If we're here and the editor is not open, there's a bug. Normally we'd use the assumes,
// but because of https://github.com/dotnet/roslyn-project-system/issues/1077 we can't
// and unit test the scenario. So we're throwing an InvalidOperationException instead.
// Assumes.True(_currentState != EditorState.NoEditor);
if (_currentState == EditorState.NoEditor)
{
throw new InvalidOperationException("In SaveProjectFileAsync with no editor open! Bug!");
}
// In order to save, the editor must not be in the process of being updated.
if (_currentState != EditorState.EditorOpen)
{
return;
}
_currentState = EditorState.WritingProjectFile;
}
// While saving the file, we disallow edits to the project file for sync purposes. We also make sure
// that the buffer cannot get stuck in a read-only state if SaveAsync fails for some reason.
try
{
await _textBufferManager.SetReadOnlyAsync(true).ConfigureAwait(false);
await _textBufferManager.SaveAsync().ConfigureAwait(false);
}
finally
{
await _textBufferManager.SetReadOnlyAsync(false).ConfigureAwait(false);
}
lock (_lock)
{
_currentState = EditorState.EditorOpen;
}
}
