1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
// Copyright 2020 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 server
import (
"context"
"fmt"
"sort"
"golang.org/x/tools/gopls/internal/cache"
"golang.org/x/tools/gopls/internal/file"
"golang.org/x/tools/gopls/internal/golang"
"golang.org/x/tools/gopls/internal/label"
"golang.org/x/tools/gopls/internal/mod"
"golang.org/x/tools/gopls/internal/protocol"
"golang.org/x/tools/gopls/internal/settings"
"golang.org/x/tools/internal/event"
)
// CodeLens reports the set of available CodeLenses
// (range-associated commands) in the given file.
func (s *server) CodeLens(ctx context.Context, params *protocol.CodeLensParams) ([]protocol.CodeLens, error) {
ctx, done := event.Start(ctx, "lsp.Server.codeLens", label.URI.Of(params.TextDocument.URI))
defer done()
fh, snapshot, release, err := s.fileOf(ctx, params.TextDocument.URI)
if err != nil {
return nil, err
}
defer release()
var lensFuncs map[settings.CodeLensSource]cache.CodeLensSourceFunc
switch snapshot.FileKind(fh) {
case file.Mod:
lensFuncs = mod.CodeLensSources()
case file.Go:
lensFuncs = golang.CodeLensSources()
default:
// Unsupported file kind for a code lens.
return nil, nil
}
var lenses []protocol.CodeLens
for kind, lensFunc := range lensFuncs {
if !snapshot.Options().Codelenses[kind] {
continue
}
added, err := lensFunc(ctx, snapshot, fh)
// Code lens is called on every keystroke, so we should just operate in
// a best-effort mode, ignoring errors.
if err != nil {
event.Error(ctx, fmt.Sprintf("code lens %s failed", kind), err)
continue
}
lenses = append(lenses, added...)
}
sort.Slice(lenses, func(i, j int) bool {
a, b := lenses[i], lenses[j]
if cmp := protocol.CompareRange(a.Range, b.Range); cmp != 0 {
return cmp < 0
}
return a.Command.Command < b.Command.Command
})
return lenses, nil
}
|
