+++ /dev/null
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package lsp
-
-import (
- "context"
-
- "golang.org/x/tools/internal/event"
- "golang.org/x/tools/internal/lsp/debug/tag"
- "golang.org/x/tools/internal/lsp/protocol"
- "golang.org/x/tools/internal/lsp/source"
-)
-
-func (s *Server) signatureHelp(ctx context.Context, params *protocol.SignatureHelpParams) (*protocol.SignatureHelp, error) {
- snapshot, fh, ok, release, err := s.beginFileRequest(ctx, params.TextDocument.URI, source.Go)
- defer release()
- if !ok {
- return nil, err
- }
- info, activeParameter, err := source.SignatureHelp(ctx, snapshot, fh, params.Position)
- if err != nil {
- event.Error(ctx, "no signature help", err, tag.Position.Of(params.Position))
- return nil, nil
- }
- return &protocol.SignatureHelp{
- Signatures: []protocol.SignatureInformation{*info},
- ActiveParameter: float64(activeParameter),
- }, nil
-}