mirror of
https://github.com/golang/go
synced 2024-11-18 20:14:43 -07:00
11e13f1c3f
Paul Jolly observes that returning interface{} is not helpful.
Now CodeAction() returns []CodeAction.
The type in typescript is (Command | CodeAction)[] | null
but the choice is up to gopls, which returns []CodeAction.
Fixes golang/go#35688, golang/go#35679
Change-Id: I91c22bb0752431954ae2f993cb7b44726cf60e5c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/207898
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
102 lines
2.6 KiB
Go
102 lines
2.6 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"
|
||
"flag"
|
||
"fmt"
|
||
"io/ioutil"
|
||
|
||
"golang.org/x/tools/internal/lsp/diff"
|
||
"golang.org/x/tools/internal/lsp/protocol"
|
||
"golang.org/x/tools/internal/lsp/source"
|
||
"golang.org/x/tools/internal/span"
|
||
"golang.org/x/tools/internal/tool"
|
||
errors "golang.org/x/xerrors"
|
||
)
|
||
|
||
// imports implements the import verb for gopls.
|
||
type imports struct {
|
||
Diff bool `flag:"d" help:"display diffs instead of rewriting files"`
|
||
Write bool `flag:"w" help:"write result to (source) file instead of stdout"`
|
||
|
||
app *Application
|
||
}
|
||
|
||
func (t *imports) Name() string { return "imports" }
|
||
func (t *imports) Usage() string { return "<filename>" }
|
||
func (t *imports) ShortHelp() string { return "updates import statements" }
|
||
func (t *imports) DetailedHelp(f *flag.FlagSet) {
|
||
fmt.Fprintf(f.Output(), `
|
||
Example: update imports statements in a file:
|
||
|
||
$ gopls imports -w internal/lsp/cmd/check.go
|
||
|
||
gopls imports flags are:
|
||
`)
|
||
f.PrintDefaults()
|
||
}
|
||
|
||
// Run performs diagnostic checks on the file specified and either;
|
||
// - if -w is specified, updates the file in place;
|
||
// - if -d is specified, prints out unified diffs of the changes; or
|
||
// - otherwise, prints the new versions to stdout.
|
||
func (t *imports) Run(ctx context.Context, args ...string) error {
|
||
if len(args) != 1 {
|
||
return tool.CommandLineErrorf("imports expects 1 argument")
|
||
}
|
||
conn, err := t.app.connect(ctx)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
defer conn.terminate(ctx)
|
||
|
||
from := span.Parse(args[0])
|
||
uri := from.URI()
|
||
file := conn.AddFile(ctx, uri)
|
||
if file.err != nil {
|
||
return file.err
|
||
}
|
||
actions, err := conn.CodeAction(ctx, &protocol.CodeActionParams{
|
||
TextDocument: protocol.TextDocumentIdentifier{
|
||
URI: protocol.NewURI(uri),
|
||
},
|
||
})
|
||
if err != nil {
|
||
return errors.Errorf("%v: %v", from, err)
|
||
}
|
||
var edits []protocol.TextEdit
|
||
for _, a := range actions {
|
||
if a.Title != "Organize Imports" {
|
||
continue
|
||
}
|
||
for _, c := range a.Edit.DocumentChanges {
|
||
if c.TextDocument.URI == string(uri) {
|
||
edits = append(edits, c.Edits...)
|
||
}
|
||
}
|
||
}
|
||
sedits, err := source.FromProtocolEdits(file.mapper, edits)
|
||
if err != nil {
|
||
return errors.Errorf("%v: %v", edits, err)
|
||
}
|
||
newContent := diff.ApplyEdits(string(file.mapper.Content), sedits)
|
||
|
||
filename := file.uri.Filename()
|
||
switch {
|
||
case t.Write:
|
||
if len(edits) > 0 {
|
||
ioutil.WriteFile(filename, []byte(newContent), 0644)
|
||
}
|
||
case t.Diff:
|
||
diffs := diff.ToUnified(filename+".orig", filename, string(file.mapper.Content), sedits)
|
||
fmt.Print(diffs)
|
||
default:
|
||
fmt.Print(string(newContent))
|
||
}
|
||
return nil
|
||
}
|