Giant blob of minor changes

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201105173854-bc9fc8d8c4bc / internal / lsp / cmd / highlight.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/internal/lsp/cmd/highlight.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/internal/lsp/cmd/highlight.go
new file mode 100644 (file)
index 0000000..f2f3806
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/internal/lsp/cmd/highlight.go
@@ -0,0 +1,90 @@
+// 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"
+       "sort"
+
+       "golang.org/x/tools/internal/lsp/protocol"
+       "golang.org/x/tools/internal/span"
+       "golang.org/x/tools/internal/tool"
+)
+
+// highlight implements the highlight verb for gopls.
+type highlight struct {
+       app *Application
+}
+
+func (r *highlight) Name() string      { return "highlight" }
+func (r *highlight) Usage() string     { return "<position>" }
+func (r *highlight) ShortHelp() string { return "display selected identifier's highlights" }
+func (r *highlight) DetailedHelp(f *flag.FlagSet) {
+       fmt.Fprint(f.Output(), `
+Example:
+
+  $ # 1-indexed location (:line:column or :#offset) of the target identifier
+  $ gopls highlight helper/helper.go:8:6
+  $ gopls highlight helper/helper.go:#53
+
+  gopls highlight flags are:
+`)
+       f.PrintDefaults()
+}
+
+func (r *highlight) Run(ctx context.Context, args ...string) error {
+       if len(args) != 1 {
+               return tool.CommandLineErrorf("highlight expects 1 argument (position)")
+       }
+
+       conn, err := r.app.connect(ctx)
+       if err != nil {
+               return err
+       }
+       defer conn.terminate(ctx)
+
+       from := span.Parse(args[0])
+       file := conn.AddFile(ctx, from.URI())
+       if file.err != nil {
+               return file.err
+       }
+
+       loc, err := file.mapper.Location(from)
+       if err != nil {
+               return err
+       }
+
+       p := protocol.DocumentHighlightParams{
+               TextDocumentPositionParams: protocol.TextDocumentPositionParams{
+                       TextDocument: protocol.TextDocumentIdentifier{URI: loc.URI},
+                       Position:     loc.Range.Start,
+               },
+       }
+       highlights, err := conn.DocumentHighlight(ctx, &p)
+       if err != nil {
+               return err
+       }
+
+       var results []span.Span
+       for _, h := range highlights {
+               l := protocol.Location{Range: h.Range}
+               s, err := file.mapper.Span(l)
+               if err != nil {
+                       return err
+               }
+               results = append(results, s)
+       }
+       // Sort results to make tests deterministic since DocumentHighlight uses a map.
+       sort.SliceStable(results, func(i, j int) bool {
+               return span.Compare(results[i], results[j]) == -1
+       })
+
+       for _, s := range results {
+               fmt.Println(s)
+       }
+       return nil
+}