clerk/internal/lsp/server.go (view raw)
| 1 | package lsp |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "log/slog" |
| 6 | "maps" |
| 7 | "sync" |
| 8 | |
| 9 | "go.lsp.dev/protocol" |
| 10 | "go.lsp.dev/uri" |
| 11 | |
| 12 | "olexsmir.xyz/clerk/internal/analyzer" |
| 13 | "olexsmir.xyz/clerk/internal/linter" |
| 14 | "olexsmir.xyz/clerk/journal" |
| 15 | "olexsmir.xyz/clerk/journal/printer" |
| 16 | ) |
| 17 | |
| 18 | type server struct { |
| 19 | protocol.UnimplementedServer |
| 20 | |
| 21 | client protocol.Client |
| 22 | log *slog.Logger |
| 23 | |
| 24 | version, name string |
| 25 | |
| 26 | linter *linter.Linter |
| 27 | loader *journal.Loader |
| 28 | printer *printer.Config |
| 29 | |
| 30 | mu sync.Mutex |
| 31 | openDocs map[uri.URI]docState |
| 32 | current *analyzer.Analysis |
| 33 | |
| 34 | cfgMu sync.RWMutex |
| 35 | config Config |
| 36 | |
| 37 | diagMu sync.Mutex |
| 38 | diagCancel context.CancelFunc |
| 39 | } |
| 40 | |
| 41 | func (s *server) analysis() *analyzer.Analysis { |
| 42 | s.mu.Lock() |
| 43 | a := s.current |
| 44 | s.mu.Unlock() |
| 45 | if a != nil { |
| 46 | return a |
| 47 | } |
| 48 | return s.buildAnalysis() |
| 49 | } |
| 50 | |
| 51 | func (s *server) buildAnalysis() *analyzer.Analysis { |
| 52 | s.mu.Lock() |
| 53 | docs := make(map[uri.URI]docState, len(s.openDocs)) |
| 54 | maps.Copy(docs, s.openDocs) |
| 55 | s.mu.Unlock() |
| 56 | |
| 57 | var a *analyzer.Analysis |
| 58 | for duri, state := range docs { |
| 59 | rj := s.loader.ResolveBytes(duri.Path(), []byte(state.text)) |
| 60 | if a == nil { |
| 61 | a = analyzer.Build(rj) |
| 62 | } |
| 63 | } |
| 64 | return a |
| 65 | } |
| 66 | |
| 67 | type docState struct { |
| 68 | text string |
| 69 | version int32 |
| 70 | languageID protocol.LanguageKind |
| 71 | semTokens []semanticToken // cached semantic tokens |
| 72 | } |
| 73 | |
| 74 | func (s *server) Initialize(ctx context.Context, params *protocol.InitializeParams) (*protocol.InitializeResult, error) { |
| 75 | s.applySettings(params.InitializationOptions) |
| 76 | return &protocol.InitializeResult{ |
| 77 | ServerInfo: protocol.ServerInfo{ |
| 78 | Name: s.name, |
| 79 | Version: protocol.NewOptional(s.version), |
| 80 | }, |
| 81 | Capabilities: protocol.ServerCapabilities{ |
| 82 | DocumentFormattingProvider: &protocol.DocumentFormattingOptions{}, |
| 83 | CompletionProvider: &protocol.CompletionOptions{ |
| 84 | TriggerCharacters: []string{":", "@"}, |
| 85 | }, |
| 86 | TextDocumentSync: &protocol.TextDocumentSyncOptions{ |
| 87 | OpenClose: new(true), |
| 88 | Change: new(protocol.TextDocumentSyncKindFull), |
| 89 | }, |
| 90 | SemanticTokensProvider: &protocol.SemanticTokensOptions{ |
| 91 | Legend: getSemanticTokensLegend(), |
| 92 | Range: protocol.Boolean(true), |
| 93 | Full: protocol.Boolean(true), |
| 94 | }, |
| 95 | }, |
| 96 | }, nil |
| 97 | } |
| 98 | |
| 99 | func (s *server) Initialized(ctx context.Context, params *protocol.InitializedParams) error { |
| 100 | s.scheduleDiagnostics(ctx) |
| 101 | return nil |
| 102 | } |
| 103 | |
| 104 | func (s *server) DidChangeConfiguration(ctx context.Context, params *protocol.DidChangeConfigurationParams) error { |
| 105 | s.applySettings(params.Settings) |
| 106 | return nil |
| 107 | } |
| 108 | |
| 109 | func (s *server) Shutdown(ctx context.Context) error { |
| 110 | return nil |
| 111 | } |
| 112 | |
| 113 | func (s *server) Exit(ctx context.Context) error { |
| 114 | return nil |
| 115 | } |
| 116 | |
| 117 | func (s *server) applySettings(v protocol.LSPAny) { |
| 118 | s.cfgMu.Lock() |
| 119 | s.config.merge(v) |
| 120 | s.cfgMu.Unlock() |
| 121 | } |