mirror of
https://github.com/golang/go
synced 2024-11-05 14:56:10 -07:00
5485bfc441
When run in CLI, "DocumentSymbol()" returns "[]protocol.DocumentSymbol" or "[]protocol.SymbolInformation", so need to handle that as well. Change-Id: I7885d3c53899103553df57f7f0ceceb2a33ec021 Reviewed-on: https://go-review.googlesource.com/c/tools/+/232557 Reviewed-by: Rebecca Stambler <rstambler@golang.org> Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
116 lines
2.6 KiB
Go
116 lines
2.6 KiB
Go
// 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,
|
|
)
|
|
}
|