tools/gopls/internal/mod/format.go

33 строки
879 B
Go

// 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 mod
import (
"context"
"golang.org/x/tools/gopls/internal/cache"
"golang.org/x/tools/gopls/internal/file"
"golang.org/x/tools/gopls/internal/protocol"
"golang.org/x/tools/internal/diff"
"golang.org/x/tools/internal/event"
)
func Format(ctx context.Context, snapshot *cache.Snapshot, fh file.Handle) ([]protocol.TextEdit, error) {
ctx, done := event.Start(ctx, "mod.Format")
defer done()
pm, err := snapshot.ParseMod(ctx, fh)
if err != nil {
return nil, err
}
formatted, err := pm.File.Format()
if err != nil {
return nil, err
}
// Calculate the edits to be made due to the change.
diffs := diff.Bytes(pm.Mapper.Content, formatted)
return protocol.EditsFromDiffEdits(pm.Mapper, diffs)
}