blob: e5ab123f0297f78cdcdc9606451f6db42a02b9c9 [file] [log] [blame]
// 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"
"fmt"
"strconv"
"golang.org/x/tools/internal/lsp/protocol"
"golang.org/x/tools/internal/span"
)
func (s *Server) documentLink(ctx context.Context, params *protocol.DocumentLinkParams) ([]protocol.DocumentLink, error) {
uri := span.NewURI(params.TextDocument.URI)
view := s.session.ViewOf(uri)
f, m, err := getGoFile(ctx, view, uri)
if err != nil {
return nil, err
}
file := f.GetAST(ctx)
if file == nil {
return nil, fmt.Errorf("no AST for %v", uri)
}
// Add a Godoc link for each imported package.
var result []protocol.DocumentLink
for _, imp := range file.Imports {
spn, err := span.NewRange(f.FileSet(), imp.Pos(), imp.End()).Span()
if err != nil {
return nil, err
}
rng, err := m.Range(spn)
if err != nil {
return nil, err
}
target, err := strconv.Unquote(imp.Path.Value)
if err != nil {
continue
}
target = "https://godoc.org/" + target
result = append(result, protocol.DocumentLink{
Range: rng,
Target: target,
})
}
return result, nil
}