public CompletionHandler(
IGlobalOptionService globalOptions,
[ImportMany] IEnumerable <Lazy <CompletionProvider, CompletionProviderMetadata> > completionProviders)
{
_globalOptions = globalOptions;
_csharpTriggerCharacters = completionProviders.Where(lz => lz.Metadata.Language == LanguageNames.CSharp).SelectMany(
lz => CommonCompletionUtilities.GetTriggerCharacters(lz.Value)).ToImmutableHashSet();
_vbTriggerCharacters = completionProviders.Where(lz => lz.Metadata.Language == LanguageNames.VisualBasic).SelectMany(
lz => CommonCompletionUtilities.GetTriggerCharacters(lz.Value)).ToImmutableHashSet();
}
public ServerCapabilities GetCapabilities(ClientCapabilities clientCapabilities)
{
var capabilities = new ServerCapabilities();
if (clientCapabilities is VSInternalClientCapabilities vsClientCapabilities && vsClientCapabilities.SupportsVisualStudioExtensions)
{
capabilities = GetVSServerCapabilities();
}
var commitCharacters = CompletionRules.Default.DefaultCommitCharacters.Select(c => c.ToString()).ToArray();
var triggerCharacters = _completionProviders.SelectMany(
lz => CommonCompletionUtilities.GetTriggerCharacters(lz.Value)).Distinct().Select(c => c.ToString()).ToArray();
capabilities.DefinitionProvider = true;
capabilities.RenameProvider = true;
capabilities.ImplementationProvider = true;
capabilities.CodeActionProvider = new CodeActionOptions {
CodeActionKinds = new[] { CodeActionKind.QuickFix, CodeActionKind.Refactor }, ResolveProvider = true
};
capabilities.CompletionProvider = new VisualStudio.LanguageServer.Protocol.CompletionOptions
{
ResolveProvider = true,
AllCommitCharacters = commitCharacters,
TriggerCharacters = triggerCharacters,
};
capabilities.SignatureHelpProvider = new SignatureHelpOptions {
TriggerCharacters = new[] { "(", "," }
};
capabilities.DocumentSymbolProvider = true;
capabilities.WorkspaceSymbolProvider = true;
capabilities.DocumentFormattingProvider = true;
capabilities.DocumentRangeFormattingProvider = true;
capabilities.DocumentOnTypeFormattingProvider = new DocumentOnTypeFormattingOptions {
FirstTriggerCharacter = "}", MoreTriggerCharacter = new[] { ";", "\n" }
};
capabilities.ReferencesProvider = true;
capabilities.FoldingRangeProvider = true;
capabilities.ExecuteCommandProvider = new ExecuteCommandOptions();
capabilities.TextDocumentSync = new TextDocumentSyncOptions
{
Change = TextDocumentSyncKind.Incremental,
OpenClose = true
};
capabilities.HoverProvider = true;
capabilities.SemanticTokensOptions = new SemanticTokensOptions
{
Full = new SemanticTokensFullOptions {
Delta = true
},
Range = true,
Legend = new SemanticTokensLegend
{
TokenTypes = SemanticTokenTypes.AllTypes.Concat(SemanticTokensHelpers.RoslynCustomTokenTypes).ToArray(),
TokenModifiers = new string[] { SemanticTokenModifiers.Static }
}
};
return(capabilities);
}
public ServerCapabilities GetCapabilities(ClientCapabilities clientCapabilities)
{
var capabilities = new ServerCapabilities();
if (clientCapabilities is VSInternalClientCapabilities vsClientCapabilities && vsClientCapabilities.SupportsVisualStudioExtensions)
{
capabilities = GetVSServerCapabilities();
}
var commitCharacters = CompletionRules.Default.DefaultCommitCharacters.Select(c => c.ToString()).ToArray();
var triggerCharacters = _completionProviders.SelectMany(
lz => CommonCompletionUtilities.GetTriggerCharacters(lz.Value)).Distinct().Select(c => c.ToString()).ToArray();
capabilities.DefinitionProvider = true;
capabilities.RenameProvider = true;
capabilities.ImplementationProvider = true;
capabilities.CodeActionProvider = new CodeActionOptions {
CodeActionKinds = new[] { CodeActionKind.QuickFix, CodeActionKind.Refactor }, ResolveProvider = true
};
capabilities.CompletionProvider = new VisualStudio.LanguageServer.Protocol.CompletionOptions
{
ResolveProvider = true,
AllCommitCharacters = commitCharacters,
TriggerCharacters = triggerCharacters,
};
capabilities.SignatureHelpProvider = new SignatureHelpOptions {
TriggerCharacters = new[] { "(", "," }
};
capabilities.DocumentSymbolProvider = true;
capabilities.WorkspaceSymbolProvider = true;
capabilities.DocumentFormattingProvider = true;
capabilities.DocumentRangeFormattingProvider = true;
capabilities.DocumentOnTypeFormattingProvider = new DocumentOnTypeFormattingOptions {
FirstTriggerCharacter = "}", MoreTriggerCharacter = new[] { ";", "\n" }
};
capabilities.ReferencesProvider = true;
capabilities.FoldingRangeProvider = true;
capabilities.ExecuteCommandProvider = new ExecuteCommandOptions();
capabilities.TextDocumentSync = new TextDocumentSyncOptions
{
Change = TextDocumentSyncKind.Incremental,
OpenClose = true
};
capabilities.HoverProvider = true;
// 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.
capabilities.SemanticTokensOptions = new SemanticTokensOptions
{
Full = false,
Range = true,
Legend = new SemanticTokensLegend
{
TokenTypes = SemanticTokenTypes.AllTypes.Concat(SemanticTokensHelpers.RoslynCustomTokenTypes).ToArray(),
TokenModifiers = new string[] { SemanticTokenModifiers.Static }
}
};
return(capabilities);
}