1
0
mirror of https://github.com/golang/go synced 2024-10-01 09:28:37 -06:00
go/internal/lsp/format.go
Rebecca Stambler 5658f888b3 internal/lsp: disable rangeFormatting temporarily
RangeFormatting was broken with the introduction of the diff library,
but not noticed until golang/go#31150. Temporarily disable this behavior
until we fix it.

Change-Id: Ie3e50a763e0c0e8672ad20c3a2e37d901325d356
Reviewed-on: https://go-review.googlesource.com/c/tools/+/175938
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-08 13:53:17 +00:00

83 lines
2.0 KiB
Go

// Copyright 2018 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 lsp
import (
"context"
"fmt"
"golang.org/x/tools/internal/lsp/protocol"
"golang.org/x/tools/internal/lsp/source"
"golang.org/x/tools/internal/span"
)
func (s *Server) formatting(ctx context.Context, params *protocol.DocumentFormattingParams) ([]protocol.TextEdit, error) {
uri := span.NewURI(params.TextDocument.URI)
view := s.findView(ctx, uri)
spn := span.New(uri, span.Point{}, span.Point{})
return formatRange(ctx, view, spn)
}
// formatRange formats a document with a given range.
func formatRange(ctx context.Context, v source.View, s span.Span) ([]protocol.TextEdit, error) {
f, m, err := newColumnMap(ctx, v, s.URI())
if err != nil {
return nil, err
}
rng, err := s.Range(m.Converter)
if err != nil {
return nil, err
}
if rng.Start == rng.End {
// If we have a single point, assume we want the whole file.
tok := f.GetToken(ctx)
if tok == nil {
return nil, fmt.Errorf("no file information for %s", f.URI())
}
rng.End = tok.Pos(tok.Size())
}
edits, err := source.Format(ctx, f, rng)
if err != nil {
return nil, err
}
return ToProtocolEdits(m, edits)
}
func ToProtocolEdits(m *protocol.ColumnMapper, edits []source.TextEdit) ([]protocol.TextEdit, error) {
if edits == nil {
return nil, nil
}
result := make([]protocol.TextEdit, len(edits))
for i, edit := range edits {
rng, err := m.Range(edit.Span)
if err != nil {
return nil, err
}
result[i] = protocol.TextEdit{
Range: rng,
NewText: edit.NewText,
}
}
return result, nil
}
func FromProtocolEdits(m *protocol.ColumnMapper, edits []protocol.TextEdit) ([]source.TextEdit, error) {
if edits == nil {
return nil, nil
}
result := make([]source.TextEdit, len(edits))
for i, edit := range edits {
spn, err := m.RangeSpan(edit.Range)
if err != nil {
return nil, err
}
result[i] = source.TextEdit{
Span: spn,
NewText: edit.NewText,
}
}
return result, nil
}