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 / symbols.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/symbols.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/internal/lsp/cmd/symbols.go
new file mode 100644 (file)
index 0000000..b4a503b
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/internal/lsp/cmd/symbols.go
@@ -0,0 +1,115 @@
+// 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"
+       "encoding/json"
+       "flag"
+       "fmt"
+       "sort"
+
+       "golang.org/x/tools/internal/lsp/protocol"
+       "golang.org/x/tools/internal/span"
+       "golang.org/x/tools/internal/tool"
+)
+
+// symbols implements the symbols verb for gopls
+type symbols struct {
+       app *Application
+}
+
+func (r *symbols) Name() string      { return "symbols" }
+func (r *symbols) Usage() string     { return "<file>" }
+func (r *symbols) ShortHelp() string { return "display selected file's symbols" }
+func (r *symbols) DetailedHelp(f *flag.FlagSet) {
+       fmt.Fprint(f.Output(), `
+Example:
+  $ gopls symbols helper/helper.go
+`)
+       f.PrintDefaults()
+}
+func (r *symbols) Run(ctx context.Context, args ...string) error {
+       if len(args) != 1 {
+               return tool.CommandLineErrorf("symbols expects 1 argument (position)")
+       }
+
+       conn, err := r.app.connect(ctx)
+       if err != nil {
+               return err
+       }
+       defer conn.terminate(ctx)
+
+       from := span.Parse(args[0])
+       p := protocol.DocumentSymbolParams{
+               TextDocument: protocol.TextDocumentIdentifier{
+                       URI: protocol.URIFromSpanURI(from.URI()),
+               },
+       }
+       symbols, err := conn.DocumentSymbol(ctx, &p)
+       if err != nil {
+               return err
+       }
+       for _, s := range symbols {
+               if m, ok := s.(map[string]interface{}); ok {
+                       s, err = mapToSymbol(m)
+                       if err != nil {
+                               return err
+                       }
+               }
+               switch t := s.(type) {
+               case protocol.DocumentSymbol:
+                       printDocumentSymbol(t)
+               case protocol.SymbolInformation:
+                       printSymbolInformation(t)
+               }
+       }
+       return nil
+}
+
+func mapToSymbol(m map[string]interface{}) (interface{}, error) {
+       b, err := json.Marshal(m)
+       if err != nil {
+               return nil, err
+       }
+
+       if _, ok := m["selectionRange"]; ok {
+               var s protocol.DocumentSymbol
+               if err := json.Unmarshal(b, &s); err != nil {
+                       return nil, err
+               }
+               return s, nil
+       }
+
+       var s protocol.SymbolInformation
+       if err := json.Unmarshal(b, &s); err != nil {
+               return nil, err
+       }
+       return s, nil
+}
+
+func printDocumentSymbol(s protocol.DocumentSymbol) {
+       fmt.Printf("%s %s %s\n", s.Name, s.Kind, positionToString(s.SelectionRange))
+       // Sort children for consistency
+       sort.Slice(s.Children, func(i, j int) bool {
+               return s.Children[i].Name < s.Children[j].Name
+       })
+       for _, c := range s.Children {
+               fmt.Printf("\t%s %s %s\n", c.Name, c.Kind, positionToString(c.SelectionRange))
+       }
+}
+
+func printSymbolInformation(s protocol.SymbolInformation) {
+       fmt.Printf("%s %s %s\n", s.Name, s.Kind, positionToString(s.Location.Range))
+}
+
+func positionToString(r protocol.Range) string {
+       return fmt.Sprintf("%v:%v-%v:%v",
+               r.Start.Line+1,
+               r.Start.Character+1,
+               r.End.Line+1,
+               r.End.Character+1,
+       )
+}