public override async Task <RadCompletionContext> GetContextAsync(IDocument document, SnapshotPoint triggerLocation, SnapshotSpan applicableToSpan, CancellationToken cancellationToken)
{
if (!_autocompleteFunctions)
{
return(RadCompletionContext.Empty);
}
var analysisResult = await document.DocumentAnalysis.GetAnalysisResultAsync(triggerLocation.Snapshot);
var completionItems = analysisResult.Root.Tokens
.AsParallel()
.WithCancellation(cancellationToken)
.Where(t => t.Type == Core.Tokens.RadAsmTokenType.FunctionName)
.Cast <IDefinitionToken>()
.Select(t => _navigationTokenService.CreateToken(t, document))
.Select(t => new CompletionItem(t, FunctionIcon));
return(new RadCompletionContext(completionItems.ToList()));
}
private IEnumerable <CompletionItem> GetScopedCompletions(IDocument document, IAnalysisResult analysisResult, SnapshotPoint triggerPoint, CancellationToken cancellationToken)
{
CompletionItem CreateCompletionItem(IAnalysisToken analysisToken, ImageElement imageElement) =>
new CompletionItem(_navigationTokenService.CreateToken((IDefinitionToken)analysisToken, document), imageElement);
var currentBlock = analysisResult.GetBlock(triggerPoint);
while (currentBlock != null)
{
foreach (var token in currentBlock.Tokens)
{
cancellationToken.ThrowIfCancellationRequested();
if (_autocompleteLabels && token.Type == RadAsmTokenType.Label)
{
yield return(CreateCompletionItem(token, LabelIcon)); break;
}
else if (_autocompleteVariables)
{
switch (token.Type)
{
case RadAsmTokenType.GlobalVariable:
yield return(CreateCompletionItem(token, GlobalVariableIcon)); break;
case RadAsmTokenType.LocalVariable:
yield return(CreateCompletionItem(token, LocalVariableIcon)); break;
case RadAsmTokenType.FunctionParameter:
yield return(CreateCompletionItem(token, ArgumentIcon)); break;
}
}
}
currentBlock = currentBlock.Parent;
}
}