public override ServerCapabilities GetCapabilities(ClientCapabilities clientCapabilities)
{
var serverCapabilities = new VSInternalServerCapabilities();
// If the LSP editor feature flag is enabled advertise support for LSP features here so they are available locally and remote.
var isLspEditorEnabled = Workspace.Services.GetRequiredService <IExperimentationService>().IsExperimentEnabled(VisualStudioWorkspaceContextService.LspEditorFeatureFlagName);
if (isLspEditorEnabled)
{
serverCapabilities = (VSInternalServerCapabilities)_defaultCapabilitiesProvider.GetCapabilities(clientCapabilities);
}
else
{
// Even if the flag is off, we want to include text sync capabilities.
serverCapabilities.TextDocumentSync = new TextDocumentSyncOptions
{
Change = TextDocumentSyncKind.Incremental,
OpenClose = true,
};
}
serverCapabilities.SupportsDiagnosticRequests = Workspace.IsPullDiagnostics(InternalDiagnosticsOptions.NormalDiagnosticMode);
// This capability is always enabled as we provide cntrl+Q VS search only via LSP in ever scenario.
serverCapabilities.WorkspaceSymbolProvider = true;
// This capability prevents NavigateTo (cntrl+,) from using LSP symbol search when the server also supports WorkspaceSymbolProvider.
// Since WorkspaceSymbolProvider=true always to allow cntrl+Q VS search to function, we set DisableGoToWorkspaceSymbols=true
// when not running the experimental LSP editor. This ensures NavigateTo uses the existing editor APIs.
// However, when the experimental LSP editor is enabled we want LSP to power NavigateTo, so we set DisableGoToWorkspaceSymbols=false.
serverCapabilities.DisableGoToWorkspaceSymbols = !isLspEditorEnabled;
return(serverCapabilities);
}
public override ServerCapabilities GetCapabilities(ClientCapabilities clientCapabilities)
{
var serverCapabilities = new VSInternalServerCapabilities();
// If the LSP editor feature flag is enabled advertise support for LSP features here so they are available locally and remote.
var isLspEditorEnabled = GlobalOptions.GetOption(LspOptions.LspEditorFeatureFlag);
if (isLspEditorEnabled)
{
serverCapabilities = (VSInternalServerCapabilities)_defaultCapabilitiesProvider.GetCapabilities(clientCapabilities);
}
else
{
// Even if the flag is off, we want to include text sync capabilities.
serverCapabilities.TextDocumentSync = new TextDocumentSyncOptions
{
Change = TextDocumentSyncKind.Incremental,
OpenClose = true,
};
}
serverCapabilities.SupportsDiagnosticRequests = GlobalOptions.IsPullDiagnostics(InternalDiagnosticsOptions.NormalDiagnosticMode);
// This capability is always enabled as we provide cntrl+Q VS search only via LSP in ever scenario.
serverCapabilities.WorkspaceSymbolProvider = true;
// This capability prevents NavigateTo (cntrl+,) from using LSP symbol search when the server also supports WorkspaceSymbolProvider.
// Since WorkspaceSymbolProvider=true always to allow cntrl+Q VS search to function, we set DisableGoToWorkspaceSymbols=true
// when not running the experimental LSP editor. This ensures NavigateTo uses the existing editor APIs.
// However, when the experimental LSP editor is enabled we want LSP to power NavigateTo, so we set DisableGoToWorkspaceSymbols=false.
serverCapabilities.DisableGoToWorkspaceSymbols = !isLspEditorEnabled;
var isLspSemanticTokensEnabled = GlobalOptions.GetOption(LspOptions.LspSemanticTokensFeatureFlag);
if (isLspSemanticTokensEnabled)
{
// Using only range handling has shown to be more performant than using a combination of full/edits/range handling,
// especially for larger files. With range handling, we only need to compute tokens for whatever is in view, while
// with full/edits handling we need to compute tokens for the entire file and then potentially run a diff between
// the old and new tokens.
serverCapabilities.SemanticTokensOptions = new SemanticTokensOptions
{
Full = false,
Range = true,
Legend = new SemanticTokensLegend
{
TokenTypes = SemanticTokenTypes.AllTypes.Concat(SemanticTokensHelpers.RoslynCustomTokenTypes).ToArray(),
TokenModifiers = new string[] { SemanticTokenModifiers.Static }
}
};
}
return(serverCapabilities);
}
private static VSServerCapabilities GetVSServerCapabilities()
{
var vsServerCapabilities = new VSInternalServerCapabilities();
vsServerCapabilities.OnAutoInsertProvider = new VSInternalDocumentOnAutoInsertOptions {
TriggerCharacters = new[] { "'", "/", "\n" }
};
vsServerCapabilities.DocumentHighlightProvider = true;
vsServerCapabilities.ProjectContextProvider = true;
// Diagnostic requests are only supported from PullDiagnosticsInProcLanguageClient.
vsServerCapabilities.SupportsDiagnosticRequests = false;
return(vsServerCapabilities);
}
public void Resolve_PullDiagnostics_ReturnsTrue()
{
// Arrange
var methodName = VSInternalMethods.DocumentPullDiagnosticName;
var capabilities = new VSInternalServerCapabilities()
{
SupportsDiagnosticRequests = true,
};
var jobjectCapabilities = JObject.FromObject(capabilities);
var filter = Resolver.Resolve(methodName);
// Act
var result = filter(jobjectCapabilities);
// Assert
Assert.True(result);
}
public void Resolve_OnAutoInsert_ReturnsTrue()
{
// Arrange
var methodName = VSInternalMethods.OnAutoInsertName;
var capabilities = new VSInternalServerCapabilities()
{
OnAutoInsertProvider = new VSInternalDocumentOnAutoInsertOptions(),
};
var jobjectCapabilities = JObject.FromObject(capabilities);
var filter = Resolver.Resolve(methodName);
// Act
var result = filter(jobjectCapabilities);
// Assert
Assert.True(result);
}
public void Resolve_MSReference_ReturnsTrue()
{
// Arrange
var methodName = VSInternalMethods.DocumentReferencesName;
var capabilities = new VSInternalServerCapabilities()
{
MSReferencesProvider = true,
};
var jobjectCapabilities = JObject.FromObject(capabilities);
var filter = Resolver.Resolve(methodName);
// Act
var result = filter(jobjectCapabilities);
// Assert
Assert.True(result);
}