private (Document document, int offset) GetDocumentWithOffsetFromCode(string code)
{
var compilation = ScriptState.Script.GetCompilation();
var originalCode = ScriptState.Script.Code ?? string.Empty;
var buffer = new StringBuilder(originalCode);
if (!string.IsNullOrWhiteSpace(originalCode) && !originalCode.EndsWith(Environment.NewLine))
{
buffer.AppendLine();
}
var offset = buffer.Length;
buffer.AppendLine(code);
var fullScriptCode = buffer.ToString();
if (_fixture == null || ShouldRebuild())
{
_fixture = new WorkspaceFixture(compilation.Options, compilation.References);
}
var document = _fixture.ForkDocument(fullScriptCode);
return(document, offset);
bool ShouldRebuild()
{
return(compilation.References.Count() != _fixture.MetadataReferences.Count());
}
}
private async Task <IEnumerable <CompletionItem> > GetCompletionList(
string code,
int cursorPosition)
{
if (ScriptState == null)
{
ScriptState = await CSharpScript.RunAsync(string.Empty, ScriptOptions);
}
var compilation = ScriptState.Script.GetCompilation();
var originalCode =
ScriptState?.Script.Code ?? string.Empty;
var buffer = new StringBuilder(originalCode);
if (!string.IsNullOrWhiteSpace(originalCode) && !originalCode.EndsWith(Environment.NewLine))
{
buffer.AppendLine();
}
buffer.AppendLine(code);
var fullScriptCode = buffer.ToString();
var offset = fullScriptCode.LastIndexOf(code, StringComparison.InvariantCulture);
var absolutePosition = Math.Max(offset, 0) + cursorPosition;
if (_fixture == null || ShouldRebuild())
{
_fixture = new WorkspaceFixture(compilation.Options, compilation.References);
}
var document = _fixture.ForkDocument(fullScriptCode);
var service = CompletionService.GetService(document);
var completionList = await service.GetCompletionsAsync(document, absolutePosition);
var semanticModel = await document.GetSemanticModelAsync();
var symbols = await Recommender.GetRecommendedSymbolsAtPositionAsync(semanticModel, absolutePosition, document.Project.Solution.Workspace);
var symbolToSymbolKey = new Dictionary <(string, int), ISymbol>();
foreach (var symbol in symbols)
{
var key = (symbol.Name, (int)symbol.Kind);
if (!symbolToSymbolKey.ContainsKey(key))
{
symbolToSymbolKey[key] = symbol;
}
}
var items = completionList.Items.Select(item => item.ToModel(symbolToSymbolKey, document)).ToArray();
return(items);
bool ShouldRebuild()
{
return(compilation.References.Count() != _fixture.MetadataReferences.Count());
}
}
