public async Task ExecuteAsync(AsyncData data, WorkSession session, ICommandResultSender sender, CancellationToken cancellationToken)
{
var roslynSession = session.Roslyn;
var actionId = FastConvert.Utf8ByteArrayToInt32(data.GetFirst());
var action = roslynSession.CurrentCodeActions[actionId];
var operations = await action.GetOperationsAsync(cancellationToken).ConfigureAwait(false);
foreach (var operation in operations)
{
operation.Apply(roslynSession.Workspace, cancellationToken);
}
// I rollback the changes since I want to send them to client and get them back as ReplaceText
// This makes sure any other typing on client merges with these changes properly
var changes = await roslynSession.RollbackWorkspaceChangesAsync().ConfigureAwait(false);
var writer = sender.StartJsonMessage("changes");
writer.WriteProperty("reason", "fix");
writer.WritePropertyStartArray("changes");
foreach (var change in changes)
{
writer.WriteChange(change);
}
writer.WriteEndArray();
await sender.SendJsonMessageAsync(cancellationToken).ConfigureAwait(false);
}
public Task ExecuteAsync(AsyncData data, WorkSession session, ICommandResultSender sender, CancellationToken cancellationToken)
{
var first = data.GetFirst();
var firstByte = first.Array[first.Offset];
if (firstByte == (byte)'I')
{
var infoItemIndex = FastConvert.Utf8ByteArrayToInt32(first.Skip(1));
return(_completion.SendItemInfoAsync(infoItemIndex, session, sender, cancellationToken));
}
if (firstByte == (byte)'X')
{
return(_completion.CancelCompletionAsync(session, sender, cancellationToken));
}
if (firstByte == (byte)'F')
{
return(_completion.ForceCompletionAsync(session, sender, cancellationToken));
}
var itemIndex = FastConvert.Utf8ByteArrayToInt32(first);
return(_completion.SelectCompletionAsync(itemIndex, session, sender, cancellationToken));
}
public Task ExecuteAsync(AsyncData data, WorkSession session, ICommandResultSender sender, CancellationToken cancellationToken)
{
var cursorPosition = FastConvert.Utf8ByteArrayToInt32(data.GetFirst());
session.CursorPosition = cursorPosition;
return(_signatureHelp.ApplyCursorPositionChangeAsync(session, sender, cancellationToken));
}
public Task ExecuteAsync(AsyncData data, WorkSession session, ICommandResultSender sender, CancellationToken cancellationToken)
{
var @char = FastConvert.Utf8ByteArrayToChar(data.GetFirst());
session.ReplaceText(FastConvert.CharToString(@char), session.CursorPosition, 0);
session.CursorPosition += 1;
return(_effects.ApplyTypedCharAsync(@char, session, sender, cancellationToken));
}
public async Task ExecuteAsync(AsyncData data, WorkSession session, ICommandResultSender sender, CancellationToken cancellationToken)
{
var first = data.GetFirst();
var endOffset = first.Offset + first.Count - 1;
var partStart = first.Offset;
int? start = null;
int? length = null;
int? cursorPosition = null;
string?reason = null;
for (var i = first.Offset; i <= endOffset; i++)
{
if (first.Array[i] != (byte)':')
{
continue;
}
var part = new ArraySegment <byte>(first.Array, partStart, i - partStart);
if (start == null)
{
start = FastConvert.Utf8ByteArrayToInt32(part);
partStart = i + 1;
continue;
}
if (length == null)
{
length = FastConvert.Utf8ByteArrayToInt32(part);
partStart = i + 1;
continue;
}
if (cursorPosition == null)
{
cursorPosition = FastConvert.Utf8ByteArrayToInt32(part);
partStart = i + 1;
continue;
}
reason = part.Count > 0 ? Encoding.UTF8.GetString(part) : string.Empty;
partStart = i + 1;
break;
}
if (start == null || length == null || cursorPosition == null || reason == null)
{
throw new FormatException("Command arguments must be 'start:length:cursor:reason:text'.");
}
var text = await AsyncDataConvert.ToUtf8StringAsync(data, partStart - first.Offset, _charArrayPool).ConfigureAwait(false);
session.ReplaceText(text, start.Value, length.Value);
session.CursorPosition = cursorPosition.Value;
await _signatureHelp.ApplyCursorPositionChangeAsync(session, sender, cancellationToken).ConfigureAwait(false);
await _completion.ApplyReplacedTextAsync(reason, _typedCharEffects, session, sender, cancellationToken).ConfigureAwait(false);
}
public Task ExecuteAsync(AsyncData data, WorkSession session, ICommandResultSender sender, CancellationToken cancellationToken)
{
if (!session.IsRoslyn)
{
return(Task.CompletedTask);
}
var cursorPosition = FastConvert.Utf8ByteArrayToInt32(data.GetFirst());
return(ExecuteForRoslynAsync(cursorPosition, session, sender, cancellationToken));
}
public Task ExecuteAsync(AsyncData data, WorkSession session, ICommandResultSender sender, CancellationToken cancellationToken)
{
var @char = FastConvert.Utf8ByteArrayToChar(data.GetFirst());
if (@char != 'F')
{
// ReSharper disable once HeapView.BoxingAllocation
throw new FormatException($"Unknown SignatureHelp command '{@char}'.");
}
return(_signatureHelp.ForceSignatureHelpAsync(session, sender, cancellationToken));
}