| // 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 lsp |
| |
| import ( |
| "context" |
| |
| "golang.org/x/tools/internal/lsp/protocol" |
| "golang.org/x/tools/internal/lsp/source" |
| "golang.org/x/tools/internal/span" |
| ) |
| |
| func (s *Server) implementation(ctx context.Context, params *protocol.ImplementationParams) ([]protocol.Location, error) { |
| uri := span.NewURI(params.TextDocument.URI) |
| view, err := s.session.ViewOf(uri) |
| if err != nil { |
| return nil, err |
| } |
| snapshot := view.Snapshot() |
| f, err := view.GetFile(ctx, uri) |
| if err != nil { |
| return nil, err |
| } |
| ident, err := source.Identifier(ctx, snapshot, f, params.Position) |
| if err != nil { |
| return nil, err |
| } |
| return ident.Implementation(ctx) |
| } |
