clerk/internal/lsp/textdocument_references.go (view raw)
Oleksandr Smirnov
Oleksandr Smirnov
olexsmir@gmail.com lsp: workspace/symbol and textdocument/references, 1 month ago
olexsmir@gmail.com lsp: workspace/symbol and textdocument/references, 1 month ago
| 1 | package lsp |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | |
| 6 | "go.lsp.dev/protocol" |
| 7 | |
| 8 | "olexsmir.xyz/clerk/internal/analyzer" |
| 9 | ) |
| 10 | |
| 11 | func (s *server) References(_ context.Context, params *protocol.ReferenceParams) ([]protocol.Location, error) { |
| 12 | state, ok := s.getDocState(params.TextDocument.URI) |
| 13 | if !ok { |
| 14 | return nil, nil |
| 15 | } |
| 16 | |
| 17 | an := s.analysisFor(params.TextDocument.URI) |
| 18 | if an == nil { |
| 19 | return nil, nil |
| 20 | } |
| 21 | cursor := state.lineIdx.Offset(int(params.Position.Line), int(params.Position.Character)) |
| 22 | ref := findSymbolUnderCursor(an, params.TextDocument.URI.Path(), state.text, cursor) |
| 23 | if ref == nil { |
| 24 | return nil, nil |
| 25 | } |
| 26 | return findReferences(an, ref, params.Context.IncludeDeclaration), nil |
| 27 | } |
| 28 | |
| 29 | func findReferences(an *analyzer.Analysis, ref *symbolRef, includeDeclaration bool) []protocol.Location { |
| 30 | switch ref.kind { |
| 31 | case symbolAccount: |
| 32 | return findAccountReferences(an, ref.name, includeDeclaration) |
| 33 | case symbolCommodity: |
| 34 | return findCommodityReferences(an, ref.name, includeDeclaration) |
| 35 | case symbolPayee: |
| 36 | return findPayeeReferences(an, ref.name, includeDeclaration) |
| 37 | case symbolTag: |
| 38 | return findTagReferences(an, ref.name, includeDeclaration) |
| 39 | } |
| 40 | return nil |
| 41 | } |
| 42 | |
| 43 | func findAccountReferences(an *analyzer.Analysis, name string, includeDeclaration bool) []protocol.Location { |
| 44 | var locations []protocol.Location |
| 45 | for _, candidate := range an.AccountNames { |
| 46 | if !accountMatches(candidate, name) { |
| 47 | continue |
| 48 | } |
| 49 | info := an.Accounts[candidate] |
| 50 | for _, u := range info.Usages { |
| 51 | appendLocation(&locations, locationFor(an, u.FileIndex, u.Posting.Account.Span)) |
| 52 | } |
| 53 | if includeDeclaration { |
| 54 | for _, d := range info.Directives { |
| 55 | appendLocation(&locations, locationForDirective(an, d, d.Account.Span)) |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 | return locations |
| 60 | } |
| 61 | |
| 62 | func findCommodityReferences(an *analyzer.Analysis, symbol string, includeDeclaration bool) []protocol.Location { |
| 63 | info := an.Commodities[symbol] |
| 64 | if info == nil { |
| 65 | return nil |
| 66 | } |
| 67 | var locations []protocol.Location |
| 68 | for _, u := range info.Usages { |
| 69 | appendLocation(&locations, locationFor(an, u.FileIndex, u.Amount.CommoditySpan)) |
| 70 | } |
| 71 | if includeDeclaration { |
| 72 | for _, d := range info.Directives { |
| 73 | appendLocation(&locations, locationForDirective(an, d, d.CommoditySpan)) |
| 74 | } |
| 75 | } |
| 76 | return locations |
| 77 | } |
| 78 | |
| 79 | func findPayeeReferences(an *analyzer.Analysis, name string, includeDeclaration bool) []protocol.Location { |
| 80 | info := an.Payees[name] |
| 81 | if info == nil { |
| 82 | return nil |
| 83 | } |
| 84 | var locations []protocol.Location |
| 85 | for _, u := range info.Usage { |
| 86 | appendLocation(&locations, locationFor(an, u.FileIndex, u.Payee.Span)) |
| 87 | } |
| 88 | if includeDeclaration { |
| 89 | for _, d := range info.Directives { |
| 90 | if d.Name != nil { |
| 91 | appendLocation(&locations, locationForDirective(an, d, d.Name.Span)) |
| 92 | } |
| 93 | } |
| 94 | } |
| 95 | return locations |
| 96 | } |
| 97 | |
| 98 | func findTagReferences(an *analyzer.Analysis, key string, includeDeclaration bool) []protocol.Location { |
| 99 | info := an.Tags[key] |
| 100 | if info == nil { |
| 101 | return nil |
| 102 | } |
| 103 | var locations []protocol.Location |
| 104 | for _, u := range info.Usage { |
| 105 | span := tagKeySpan(string(an.Files[u.FileIndex].Src), u.Tag) |
| 106 | appendLocation(&locations, locationFor(an, u.FileIndex, span)) |
| 107 | } |
| 108 | if includeDeclaration { |
| 109 | for _, d := range info.Directives { |
| 110 | fileIdx := fileIndexForEntry(an, d) |
| 111 | if fileIdx < 0 { |
| 112 | continue |
| 113 | } |
| 114 | if span, ok := tagDirectiveSpan(string(an.Files[fileIdx].Src), d); ok { |
| 115 | appendLocation(&locations, locationFor(an, fileIdx, span)) |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | return locations |
| 120 | } |
| 121 | |
| 122 | func appendLocation(locations *[]protocol.Location, loc *protocol.Location) { |
| 123 | if loc != nil { |
| 124 | *locations = append(*locations, *loc) |
| 125 | } |
| 126 | } |