mirror of
https://github.com/golang/go
synced 2024-11-18 14:54:40 -07:00
535e1470ec
This fixes a bunch of fmt.Errorf calls to use %w rather than %v when wrapping an error with additional context. Change-Id: I03088376fbf89aa537555e825e5d02544d813ed2 Reviewed-on: https://go-review.googlesource.com/c/tools/+/231477 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Robert Findley <rfindley@google.com> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
86 lines
2.1 KiB
Go
86 lines
2.1 KiB
Go
// 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"
|
|
"errors"
|
|
"flag"
|
|
"fmt"
|
|
|
|
"golang.org/x/tools/internal/lsp/protocol"
|
|
"golang.org/x/tools/internal/span"
|
|
"golang.org/x/tools/internal/tool"
|
|
)
|
|
|
|
// prepareRename implements the prepare_rename verb for gopls.
|
|
type prepareRename struct {
|
|
app *Application
|
|
}
|
|
|
|
func (r *prepareRename) Name() string { return "prepare_rename" }
|
|
func (r *prepareRename) Usage() string { return "<position>" }
|
|
func (r *prepareRename) ShortHelp() string { return "test validity of a rename operation at location" }
|
|
func (r *prepareRename) DetailedHelp(f *flag.FlagSet) {
|
|
fmt.Fprint(f.Output(), `
|
|
Example:
|
|
|
|
$ # 1-indexed location (:line:column or :#offset) of the target identifier
|
|
$ gopls prepare_rename helper/helper.go:8:6
|
|
$ gopls prepare_rename helper/helper.go:#53
|
|
|
|
gopls prepare_rename flags are:
|
|
`)
|
|
f.PrintDefaults()
|
|
}
|
|
|
|
// ErrInvalidRenamePosition is returned when prepareRename is run at a position that
|
|
// is not a candidate for renaming.
|
|
var ErrInvalidRenamePosition = errors.New("request is not valid at the given position")
|
|
|
|
func (r *prepareRename) Run(ctx context.Context, args ...string) error {
|
|
if len(args) != 1 {
|
|
return tool.CommandLineErrorf("prepare_rename expects 1 argument (file)")
|
|
}
|
|
|
|
conn, err := r.app.connect(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer conn.terminate(ctx)
|
|
|
|
from := span.Parse(args[0])
|
|
file := conn.AddFile(ctx, from.URI())
|
|
if file.err != nil {
|
|
return file.err
|
|
}
|
|
loc, err := file.mapper.Location(from)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
p := protocol.PrepareRenameParams{
|
|
TextDocumentPositionParams: protocol.TextDocumentPositionParams{
|
|
TextDocument: protocol.TextDocumentIdentifier{URI: loc.URI},
|
|
Position: loc.Range.Start,
|
|
},
|
|
}
|
|
result, err := conn.PrepareRename(ctx, &p)
|
|
if err != nil {
|
|
return fmt.Errorf("prepare_rename failed: %w", err)
|
|
}
|
|
if result == nil {
|
|
return ErrInvalidRenamePosition
|
|
}
|
|
|
|
l := protocol.Location{Range: *result}
|
|
s, err := file.mapper.Span(l)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Println(s)
|
|
return nil
|
|
}
|