protected override async Task <IEnumerable <CompletionItem> > GetItemsWorkerAsync(
Document document, int position, CompletionTriggerInfo triggerInfo, CancellationToken cancellationToken)
{
if (document != null && document.SourceCodeKind == SourceCodeKind.Interactive)
{
// the provider might be invoked in non-interactive context:
Workspace ws;
if (Workspace.TryGetWorkspace(document.GetTextAsync(cancellationToken).WaitAndGetResult(cancellationToken).Container, out ws))
{
var workspace = ws as InteractiveWorkspace;
if (workspace != null)
{
var window = workspace.Engine.CurrentWindow;
var tree = await document.GetCSharpSyntaxTreeAsync(cancellationToken).ConfigureAwait(false);
if (tree.IsBeforeFirstToken(position, cancellationToken) &&
tree.IsPreProcessorKeywordContext(position, cancellationToken))
{
var textChangeSpan = await this.GetTextChangeSpanAsync(document, position, cancellationToken).ConfigureAwait(false);
var list = new List <CompletionItem>();
IInteractiveWindowCommands commands = window.GetInteractiveCommands();
if (commands != null)
{
foreach (var command in commands.GetCommands())
{
foreach (var commandName in command.Names)
{
list.Add(new CSharpCompletionItem(
workspace, this, commandName, textChangeSpan, c => Task.FromResult(command.Description.ToSymbolDisplayParts()), glyph: Glyph.Intrinsic));
}
}
}
return(list);
}
}
}
}
return(SpecializedCollections.EmptyEnumerable <CompletionItem>());
}
public override async Task ProduceCompletionListAsync(CompletionListContext context)
{
var document = context.Document;
var position = context.Position;
var cancellationToken = context.CancellationToken;
if (document != null && document.SourceCodeKind == SourceCodeKind.Interactive)
{
// the provider might be invoked in non-interactive context:
Workspace ws;
if (Workspace.TryGetWorkspace(document.GetTextAsync(cancellationToken).WaitAndGetResult(cancellationToken).Container, out ws))
{
var workspace = ws as InteractiveWorkspace;
if (workspace != null)
{
var window = workspace.Engine.CurrentWindow;
var tree = await document.GetSyntaxTreeAsync(cancellationToken).ConfigureAwait(false);
if (tree.IsBeforeFirstToken(position, cancellationToken) &&
tree.IsPreProcessorKeywordContext(position, cancellationToken))
{
var filterSpan = await this.GetTextChangeSpanAsync(document, position, cancellationToken).ConfigureAwait(false);
IInteractiveWindowCommands commands = window.GetInteractiveCommands();
if (commands != null)
{
foreach (var command in commands.GetCommands())
{
foreach (var commandName in command.Names)
{
context.AddItem(new CompletionItem(
this, commandName, filterSpan, c => Task.FromResult(command.Description.ToSymbolDisplayParts()), glyph: Glyph.Intrinsic));
}
}
}
}
}
}
}
}
public override async Task ProduceCompletionListAsync(CompletionListContext context)
{
var document = context.Document;
var position = context.Position;
var cancellationToken = context.CancellationToken;
// the provider might be invoked in non-interactive context:
Workspace ws;
SourceText sourceText = await document.GetTextAsync(cancellationToken).ConfigureAwait(false);
if (Workspace.TryGetWorkspace(sourceText.Container, out ws))
{
var workspace = ws as InteractiveWorkspace;
if (workspace != null)
{
var window = workspace.Engine.CurrentWindow;
var tree = await document.GetSyntaxTreeAsync(cancellationToken).ConfigureAwait(false);
if (await ShouldDisplayCommandCompletionsAsync(tree, position, cancellationToken).ConfigureAwait(false))
{
var filterSpan = await this.GetTextChangeSpanAsync(document, position, cancellationToken).ConfigureAwait(false);
IInteractiveWindowCommands commands = window.GetInteractiveCommands();
if (commands != null)
{
foreach (var command in commands.GetCommands())
{
foreach (var commandName in command.Names)
{
string completion = GetCompletionString(commandName);
context.AddItem(new CompletionItem(
this, completion, filterSpan, c => Task.FromResult(command.Description.ToSymbolDisplayParts()), glyph: Glyph.Intrinsic));
}
}
}
}
}
}
}
public override async Task ProvideCompletionsAsync(CompletionContext context)
{
var document = context.Document;
var position = context.Position;
var cancellationToken = context.CancellationToken;
// the provider might be invoked in non-interactive context:
Workspace ws;
SourceText sourceText = await document.GetTextAsync(cancellationToken).ConfigureAwait(false);
if (Workspace.TryGetWorkspace(sourceText.Container, out ws))
{
var workspace = ws as InteractiveWorkspace;
if (workspace != null)
{
var window = workspace.Window;
var tree = await document.GetSyntaxTreeAsync(cancellationToken).ConfigureAwait(false);
if (await ShouldDisplayCommandCompletionsAsync(tree, position, cancellationToken).ConfigureAwait(false))
{
IInteractiveWindowCommands commands = window.GetInteractiveCommands();
if (commands != null)
{
foreach (var command in commands.GetCommands())
{
foreach (var commandName in command.Names)
{
string completion = GetCompletionString(commandName);
context.AddItem(CommonCompletionItem.Create(
completion, CompletionItemRules.Default, description: command.Description.ToSymbolDisplayParts(), glyph: Glyph.Intrinsic));
}
}
}
}
}
}
}