public async Task <Location[]> HandleRequestAsync(TextDocumentPositionParams request, ClientCapabilities clientCapabilities, CancellationToken cancellationToken)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
if (clientCapabilities is null)
{
throw new ArgumentNullException(nameof(clientCapabilities));
}
if (!_documentManager.TryGetDocument(request.TextDocument.Uri, out var documentSnapshot))
{
return(null);
}
var projectionResult = await _projectionProvider.GetProjectionAsync(documentSnapshot, request.Position, cancellationToken).ConfigureAwait(false);
if (projectionResult == null || projectionResult.LanguageKind != RazorLanguageKind.CSharp)
{
return(null);
}
cancellationToken.ThrowIfCancellationRequested();
var serverKind = LanguageServerKind.CSharp;
var textDocumentPositionParams = new TextDocumentPositionParams()
{
Position = projectionResult.Position,
TextDocument = new TextDocumentIdentifier()
{
Uri = projectionResult.Uri
}
};
var result = await _requestInvoker.ReinvokeRequestOnServerAsync <TextDocumentPositionParams, Location[]>(
Methods.TextDocumentImplementationName,
serverKind,
textDocumentPositionParams,
cancellationToken).ConfigureAwait(false);
if (result == null || result.Length == 0)
{
return(result);
}
cancellationToken.ThrowIfCancellationRequested();
var remappedLocations = await _documentMappingProvider.RemapLocationsAsync(result, cancellationToken).ConfigureAwait(false);
return(remappedLocations);
}
public async Task <Location[]> HandleRequestAsync(TextDocumentPositionParams request, ClientCapabilities clientCapabilities, CancellationToken cancellationToken)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
if (clientCapabilities is null)
{
throw new ArgumentNullException(nameof(clientCapabilities));
}
_logger.LogInformation($"Starting request for {request.TextDocument.Uri}.");
if (!_documentManager.TryGetDocument(request.TextDocument.Uri, out var documentSnapshot))
{
_logger.LogWarning($"Failed to find document {request.TextDocument.Uri}.");
return(null);
}
var projectionResult = await _projectionProvider.GetProjectionAsync(
documentSnapshot,
request.Position,
cancellationToken).ConfigureAwait(false);
if (projectionResult == null)
{
return(null);
}
cancellationToken.ThrowIfCancellationRequested();
var textDocumentPositionParams = new TextDocumentPositionParams()
{
Position = projectionResult.Position,
TextDocument = new TextDocumentIdentifier()
{
Uri = projectionResult.Uri
}
};
var serverKind = projectionResult.LanguageKind.ToLanguageServerKind();
var languageServerName = serverKind.ToLanguageServerName();
_logger.LogInformation($"Requesting {languageServerName} implementation for {projectionResult.Uri}.");
var textBuffer = serverKind.GetTextBuffer(documentSnapshot);
var response = await _requestInvoker.ReinvokeRequestOnServerAsync <TextDocumentPositionParams, Location[]>(
textBuffer,
Methods.TextDocumentImplementationName,
languageServerName,
textDocumentPositionParams,
cancellationToken).ConfigureAwait(false);
if (!ReinvocationResponseHelper.TryExtractResultOrLog(response, _logger, languageServerName, out var locations))
{
return(null);
}
if (locations.Length == 0)
{
_logger.LogInformation("Received no results.");
return(locations);
}
_logger.LogInformation($"Received {locations.Length} results, remapping.");
cancellationToken.ThrowIfCancellationRequested();
var remappedLocations = await _documentMappingProvider.RemapLocationsAsync(locations, cancellationToken).ConfigureAwait(false);
_logger.LogInformation($"Returning {remappedLocations?.Length} locations.");
return(remappedLocations);
}
public async Task <SumType <Location[]?, VSInternalReferenceItem[]?> > HandleRequestAsync(TextDocumentPositionParams request, ClientCapabilities clientCapabilities, CancellationToken cancellationToken)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
if (clientCapabilities is null)
{
throw new ArgumentNullException(nameof(clientCapabilities));
}
_logger.LogInformation($"Starting request for {request.TextDocument.Uri}.");
if (!_documentManager.TryGetDocument(request.TextDocument.Uri, out var documentSnapshot))
{
_logger.LogWarning($"Failed to find document {request.TextDocument.Uri}.");
return(new());
}
var projectionResult = await _projectionProvider.GetProjectionAsync(
documentSnapshot,
request.Position,
cancellationToken).ConfigureAwait(false);
if (projectionResult is null)
{
return(new());
}
cancellationToken.ThrowIfCancellationRequested();
var textDocumentPositionParams = new TextDocumentPositionParams()
{
Position = projectionResult.Position,
TextDocument = new TextDocumentIdentifier()
{
Uri = projectionResult.Uri
}
};
var serverKind = projectionResult.LanguageKind.ToLanguageServerKind();
var languageServerName = serverKind.ToLanguageServerName();
_logger.LogInformation($"Requesting {languageServerName} implementation for {projectionResult.Uri}.");
var textBuffer = serverKind.GetTextBuffer(documentSnapshot);
var response = await _requestInvoker.ReinvokeRequestOnServerAsync <TextDocumentPositionParams, SumType <Location[]?, VSInternalReferenceItem[]?> >(
textBuffer,
Methods.TextDocumentImplementationName,
languageServerName,
textDocumentPositionParams,
cancellationToken).ConfigureAwait(false);
if (!ReinvocationResponseHelper.TryExtractResultOrLog(response, _logger, languageServerName, out var result))
{
return(new());
}
cancellationToken.ThrowIfCancellationRequested();
// From some language servers we get VSInternalReferenceItem results, and from some we get Location results.
// We check for the _vs_id property, which is required in VSInternalReferenceItem, to know which is which.
if (result.Value is VSInternalReferenceItem[] referenceItems)
{
var remappedLocations = await FindAllReferencesHandler.RemapReferenceItemsAsync(referenceItems, _documentMappingProvider, _documentManager, cancellationToken).ConfigureAwait(false);
_logger.LogInformation($"Returning {remappedLocations?.Length} internal reference items.");
return(remappedLocations);
}
else if (result.Value is Location[] locations)
{
var remappedLocations = await _documentMappingProvider.RemapLocationsAsync(locations, cancellationToken).ConfigureAwait(false);
_logger.LogInformation($"Returning {remappedLocations?.Length} locations.");
return(remappedLocations);
}
_logger.LogInformation("Received no results.");
return(Array.Empty <VSInternalReferenceItem>());
}