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https://github.com/golang/go
synced 2024-10-01 09:28:37 -06:00
a3f652f180
This change adds command line support for foldingRange.
Provided with a file, it will display a list of folding
ranges within that file, with 1-indexed positions using
the format
{startingLine}:{startingChar}-{endingLine}:{endingChar}
Example:
$ gopls folding_ranges ~/tmp/foo/main.go
$
$ 3:9-6:0
$ 10:22-11:32
$ 12:10-12:9
$ 12:20-30:0
Updates golang/go#32875
Change-Id: Ib35cf26088736e7c35612d783c80be7ae41b6a70
Reviewed-on: https://go-review.googlesource.com/c/tools/+/206158
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
73 lines
1.5 KiB
Go
73 lines
1.5 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cmd
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import (
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"context"
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"flag"
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"fmt"
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"golang.org/x/tools/internal/lsp/protocol"
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"golang.org/x/tools/internal/span"
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"golang.org/x/tools/internal/tool"
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)
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// foldingRanges implements the folding_ranges verb for gopls
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type foldingRanges struct {
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app *Application
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}
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func (r *foldingRanges) Name() string { return "folding_ranges" }
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func (r *foldingRanges) Usage() string { return "<file>" }
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func (r *foldingRanges) ShortHelp() string { return "display selected file's folding ranges" }
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func (r *foldingRanges) DetailedHelp(f *flag.FlagSet) {
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fmt.Fprint(f.Output(), `
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Example:
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$ gopls folding_ranges helper/helper.go
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`)
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f.PrintDefaults()
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}
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func (r *foldingRanges) Run(ctx context.Context, args ...string) error {
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if len(args) != 1 {
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return tool.CommandLineErrorf("folding_ranges expects 1 argument (file)")
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}
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conn, err := r.app.connect(ctx)
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if err != nil {
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return err
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}
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defer conn.terminate(ctx)
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from := span.Parse(args[0])
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file := conn.AddFile(ctx, from.URI())
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if file.err != nil {
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return file.err
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}
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p := protocol.FoldingRangeParams{
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TextDocument: protocol.TextDocumentIdentifier{
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URI: protocol.NewURI(from.URI()),
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},
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}
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ranges, err := conn.FoldingRange(ctx, &p)
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if err != nil {
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return err
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}
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for _, r := range ranges {
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fmt.Printf("%v:%v-%v:%v\n",
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r.StartLine+1,
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r.StartCharacter+1,
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r.EndLine+1,
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r.EndCharacter,
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)
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}
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return nil
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}
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