blob: 9c5bc0d308da16e4ac1e3674c27e151cb4c85b0c [file] [log] [blame]
// 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
}