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
67
68
69
70
71
72
73
|
// 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 cmd
import (
"context"
"flag"
"fmt"
"golang.org/x/tools/gopls/internal/protocol"
"golang.org/x/tools/internal/tool"
)
// rename implements the rename verb for gopls.
type rename struct {
EditFlags
app *Application
}
func (r *rename) Name() string { return "rename" }
func (r *rename) Parent() string { return r.app.Name() }
func (r *rename) Usage() string { return "[rename-flags] <position> <name>" }
func (r *rename) ShortHelp() string { return "rename selected identifier" }
func (r *rename) DetailedHelp(f *flag.FlagSet) {
fmt.Fprint(f.Output(), `
Example:
$ # 1-based location (:line:column or :#position) of the thing to change
$ gopls rename helper/helper.go:8:6 Foo
$ gopls rename helper/helper.go:#53 Foo
rename-flags:
`)
printFlagDefaults(f)
}
// Run renames the specified identifier and either;
// - if -w is specified, updates the file(s) in place;
// - if -d is specified, prints out unified diffs of the changes; or
// - otherwise, prints the new versions to stdout.
func (r *rename) Run(ctx context.Context, args ...string) error {
if len(args) != 2 {
return tool.CommandLineErrorf("rename expects 2 arguments (position, new name)")
}
r.app.editFlags = &r.EditFlags
conn, err := r.app.connect(ctx)
if err != nil {
return err
}
defer conn.terminate(ctx)
from := parseSpan(args[0])
file, err := conn.openFile(ctx, from.URI())
if err != nil {
return err
}
loc, err := file.spanLocation(from)
if err != nil {
return err
}
p := protocol.RenameParams{
TextDocument: protocol.TextDocumentIdentifier{URI: loc.URI},
Position: loc.Range.Start,
NewName: args[1],
}
edit, err := conn.Rename(ctx, &p)
if err != nil {
return err
}
return conn.client.applyWorkspaceEdit(edit)
}
|
