| // Copyright 2019 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/gopls/internal/lsp/mod" |
| "golang.org/x/tools/gopls/internal/lsp/protocol" |
| "golang.org/x/tools/gopls/internal/lsp/source" |
| "golang.org/x/tools/gopls/internal/lsp/template" |
| "golang.org/x/tools/gopls/internal/lsp/work" |
| "golang.org/x/tools/internal/event" |
| "golang.org/x/tools/internal/event/tag" |
| ) |
| |
| func (s *Server) hover(ctx context.Context, params *protocol.HoverParams) (*protocol.Hover, error) { |
| ctx, done := event.Start(ctx, "lsp.Server.hover", tag.URI.Of(params.TextDocument.URI)) |
| defer done() |
| |
| snapshot, fh, ok, release, err := s.beginFileRequest(ctx, params.TextDocument.URI, source.UnknownKind) |
| defer release() |
| if !ok { |
| return nil, err |
| } |
| switch snapshot.View().FileKind(fh) { |
| case source.Mod: |
| return mod.Hover(ctx, snapshot, fh, params.Position) |
| case source.Go: |
| return source.Hover(ctx, snapshot, fh, params.Position) |
| case source.Tmpl: |
| return template.Hover(ctx, snapshot, fh, params.Position) |
| case source.Work: |
| return work.Hover(ctx, snapshot, fh, params.Position) |
| } |
| return nil, nil |
| } |