Robert Findley | b15dac2 | 2022-08-30 14:40:12 -0400 | [diff] [blame] | 1 | // Copyright 2019 The Go Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | package lsp |
| 6 | |
| 7 | import ( |
| 8 | "context" |
| 9 | "fmt" |
| 10 | |
| 11 | "golang.org/x/tools/gopls/internal/lsp/protocol" |
| 12 | "golang.org/x/tools/gopls/internal/lsp/source" |
| 13 | "golang.org/x/tools/gopls/internal/lsp/template" |
| 14 | ) |
| 15 | |
| 16 | func (s *Server) definition(ctx context.Context, params *protocol.DefinitionParams) ([]protocol.Location, error) { |
| 17 | snapshot, fh, ok, release, err := s.beginFileRequest(ctx, params.TextDocument.URI, source.UnknownKind) |
| 18 | defer release() |
| 19 | if !ok { |
| 20 | return nil, err |
| 21 | } |
| 22 | if snapshot.View().FileKind(fh) == source.Tmpl { |
| 23 | return template.Definition(snapshot, fh, params.Position) |
| 24 | } |
| 25 | ident, err := source.Identifier(ctx, snapshot, fh, params.Position) |
| 26 | if err != nil { |
| 27 | return nil, err |
| 28 | } |
| 29 | if ident.IsImport() && !snapshot.View().Options().ImportShortcut.ShowDefinition() { |
| 30 | return nil, nil |
| 31 | } |
| 32 | var locations []protocol.Location |
| 33 | for _, ref := range ident.Declaration.MappedRange { |
| 34 | decRange, err := ref.Range() |
| 35 | if err != nil { |
| 36 | return nil, err |
| 37 | } |
| 38 | |
| 39 | locations = append(locations, protocol.Location{ |
| 40 | URI: protocol.URIFromSpanURI(ref.URI()), |
| 41 | Range: decRange, |
| 42 | }) |
| 43 | } |
| 44 | |
| 45 | return locations, nil |
| 46 | } |
| 47 | |
| 48 | func (s *Server) typeDefinition(ctx context.Context, params *protocol.TypeDefinitionParams) ([]protocol.Location, error) { |
| 49 | snapshot, fh, ok, release, err := s.beginFileRequest(ctx, params.TextDocument.URI, source.Go) |
| 50 | defer release() |
| 51 | if !ok { |
| 52 | return nil, err |
| 53 | } |
| 54 | ident, err := source.Identifier(ctx, snapshot, fh, params.Position) |
| 55 | if err != nil { |
| 56 | return nil, err |
| 57 | } |
| 58 | if ident.Type.Object == nil { |
| 59 | return nil, fmt.Errorf("no type definition for %s", ident.Name) |
| 60 | } |
| 61 | identRange, err := ident.Type.Range() |
| 62 | if err != nil { |
| 63 | return nil, err |
| 64 | } |
| 65 | return []protocol.Location{ |
| 66 | { |
| 67 | URI: protocol.URIFromSpanURI(ident.Type.URI()), |
| 68 | Range: identRange, |
| 69 | }, |
| 70 | }, nil |
| 71 | } |