Giant blob of minor changes

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201028153306-37f0764111ff / internal / lsp / cmd / references.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/internal/lsp/cmd/references.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/internal/lsp/cmd/references.go
new file mode 100644 (file)
index 0000000..5626019
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/internal/lsp/cmd/references.go
@@ -0,0 +1,91 @@
+// 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"
+)
+
+// references implements the references verb for gopls
+type references struct {
+       IncludeDeclaration bool `flag:"d" help:"include the declaration of the specified identifier in the results"`
+
+       app *Application
+}
+
+func (r *references) Name() string      { return "references" }
+func (r *references) Usage() string     { return "<position>" }
+func (r *references) ShortHelp() string { return "display selected identifier's references" }
+func (r *references) DetailedHelp(f *flag.FlagSet) {
+       fmt.Fprint(f.Output(), `
+Example:
+
+  $ # 1-indexed location (:line:column or :#offset) of the target identifier
+  $ gopls references helper/helper.go:8:6
+  $ gopls references helper/helper.go:#53
+
+  gopls references flags are:
+`)
+       f.PrintDefaults()
+}
+
+func (r *references) Run(ctx context.Context, args ...string) error {
+       if len(args) != 1 {
+               return tool.CommandLineErrorf("references 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.ReferenceParams{
+               Context: protocol.ReferenceContext{
+                       IncludeDeclaration: r.IncludeDeclaration,
+               },
+               TextDocumentPositionParams: protocol.TextDocumentPositionParams{
+                       TextDocument: protocol.TextDocumentIdentifier{URI: loc.URI},
+                       Position:     loc.Range.Start,
+               },
+       }
+       locations, err := conn.References(ctx, &p)
+       if err != nil {
+               return err
+       }
+       var spans []string
+       for _, l := range locations {
+               f := conn.AddFile(ctx, fileURI(l.URI))
+               // convert location to span for user-friendly 1-indexed line
+               // and column numbers
+               span, err := f.mapper.Span(l)
+               if err != nil {
+                       return err
+               }
+               spans = append(spans, fmt.Sprint(span))
+       }
+
+       sort.Strings(spans)
+       for _, s := range spans {
+               fmt.Println(s)
+       }
+       return nil
+}