diff options
author | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | 2023-03-16 14:15:45 +0000 |
---|---|---|
committer | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | 2023-03-16 14:15:45 +0000 |
commit | cd3c7908c2ca750b27d330b4d257edc6818c4a5d (patch) | |
tree | 194d7b0e539d014393564a256bec571e18d6533a /gopls/internal/lsp/cmd/folding_range.go | |
parent | 3225eca48f7ce16eb31b2dd5a170806c1214a49e (diff) | |
parent | 09c5a32afc5b66f28f166a68afe1fc71afbf9b73 (diff) | |
download | golang-x-tools-build-tools-release.tar.gz |
Snap for 9757917 from 09c5a32afc5b66f28f166a68afe1fc71afbf9b73 to build-tools-releasebuild-tools-release
Change-Id: If48e809642d94de846f47e34b88e446095e21aa5
Diffstat (limited to 'gopls/internal/lsp/cmd/folding_range.go')
-rw-r--r-- | gopls/internal/lsp/cmd/folding_range.go | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/gopls/internal/lsp/cmd/folding_range.go b/gopls/internal/lsp/cmd/folding_range.go new file mode 100644 index 000000000..68d93a3fb --- /dev/null +++ b/gopls/internal/lsp/cmd/folding_range.go @@ -0,0 +1,73 @@ +// 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" + + "golang.org/x/tools/gopls/internal/lsp/protocol" + "golang.org/x/tools/gopls/internal/span" + "golang.org/x/tools/internal/tool" +) + +// foldingRanges implements the folding_ranges verb for gopls +type foldingRanges struct { + app *Application +} + +func (r *foldingRanges) Name() string { return "folding_ranges" } +func (r *foldingRanges) Parent() string { return r.app.Name() } +func (r *foldingRanges) Usage() string { return "<file>" } +func (r *foldingRanges) ShortHelp() string { return "display selected file's folding ranges" } +func (r *foldingRanges) DetailedHelp(f *flag.FlagSet) { + fmt.Fprint(f.Output(), ` +Example: + + $ gopls folding_ranges helper/helper.go +`) + printFlagDefaults(f) +} + +func (r *foldingRanges) Run(ctx context.Context, args ...string) error { + if len(args) != 1 { + return tool.CommandLineErrorf("folding_ranges expects 1 argument (file)") + } + + conn, err := r.app.connect(ctx) + if err != nil { + return err + } + defer conn.terminate(ctx) + + from := span.Parse(args[0]) + file := conn.openFile(ctx, from.URI()) + if file.err != nil { + return file.err + } + + p := protocol.FoldingRangeParams{ + TextDocument: protocol.TextDocumentIdentifier{ + URI: protocol.URIFromSpanURI(from.URI()), + }, + } + + ranges, err := conn.FoldingRange(ctx, &p) + if err != nil { + return err + } + + for _, r := range ranges { + fmt.Printf("%v:%v-%v:%v\n", + r.StartLine+1, + r.StartCharacter+1, + r.EndLine+1, + r.EndCharacter+1, + ) + } + + return nil +} |