+++ /dev/null
-// 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"
-)
-
-// suggestedFix implements the fix verb for gopls.
-type suggestedFix 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"`
- All bool `flag:"a" help:"apply all fixes, not just preferred fixes"`
-
- app *Application
-}
-
-func (s *suggestedFix) Name() string { return "fix" }
-func (s *suggestedFix) Usage() string { return "<filename>" }
-func (s *suggestedFix) ShortHelp() string { return "apply suggested fixes" }
-func (s *suggestedFix) DetailedHelp(f *flag.FlagSet) {
- fmt.Fprintf(f.Output(), `
-Example: apply suggested fixes for this file:
-
- $ gopls fix -w internal/lsp/cmd/check.go
-
-gopls fix 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 (s *suggestedFix) Run(ctx context.Context, args ...string) error {
- if len(args) < 1 {
- return tool.CommandLineErrorf("fix expects at least 1 argument")
- }
- conn, err := s.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
- }
-
- if err := conn.diagnoseFiles(ctx, []span.URI{uri}); err != nil {
- return err
- }
- conn.Client.filesMu.Lock()
- defer conn.Client.filesMu.Unlock()
-
- codeActionKinds := []protocol.CodeActionKind{protocol.QuickFix}
- if len(args) > 1 {
- codeActionKinds = []protocol.CodeActionKind{}
- for _, k := range args[1:] {
- codeActionKinds = append(codeActionKinds, protocol.CodeActionKind(k))
- }
- }
-
- rng, err := file.mapper.Range(from)
- if err != nil {
- return err
- }
- p := protocol.CodeActionParams{
- TextDocument: protocol.TextDocumentIdentifier{
- URI: protocol.URIFromSpanURI(uri),
- },
- Context: protocol.CodeActionContext{
- Only: codeActionKinds,
- Diagnostics: file.diagnostics,
- },
- Range: rng,
- }
- actions, err := conn.CodeAction(ctx, &p)
- if err != nil {
- return errors.Errorf("%v: %v", from, err)
- }
- var edits []protocol.TextEdit
- for _, a := range actions {
- if a.Command != nil {
- return fmt.Errorf("ExecuteCommand is not yet supported on the command line")
- }
- if !a.IsPreferred && !s.All {
- continue
- }
- if !from.HasPosition() {
- for _, c := range a.Edit.DocumentChanges {
- if fileURI(c.TextDocument.URI) == uri {
- edits = append(edits, c.Edits...)
- }
- }
- continue
- }
- // If the span passed in has a position, then we need to find
- // the codeaction that has the same range as the passed in span.
- for _, diag := range a.Diagnostics {
- spn, err := file.mapper.RangeSpan(diag.Range)
- if err != nil {
- continue
- }
- if span.ComparePoint(from.Start(), spn.Start()) == 0 {
- for _, c := range a.Edit.DocumentChanges {
- if fileURI(c.TextDocument.URI) == uri {
- edits = append(edits, c.Edits...)
- }
- }
- break
- }
- }
-
- // If suggested fix is not a diagnostic, still must collect edits.
- if len(a.Diagnostics) == 0 {
- for _, c := range a.Edit.DocumentChanges {
- if fileURI(c.TextDocument.URI) == 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 s.Write:
- if len(edits) > 0 {
- ioutil.WriteFile(filename, []byte(newContent), 0644)
- }
- case s.Diff:
- diffs := diff.ToUnified(filename+".orig", filename, string(file.mapper.Content), sedits)
- fmt.Print(diffs)
- default:
- fmt.Print(string(newContent))
- }
- return nil
-}
projects / dotfiles / .git / blobdiff