clerk/internal/lsp/lsp.go (view raw)
| 1 | package lsp |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "io" |
| 6 | "log/slog" |
| 7 | "os" |
| 8 | "path/filepath" |
| 9 | |
| 10 | "go.lsp.dev/jsonrpc2" |
| 11 | "go.lsp.dev/protocol" |
| 12 | "go.lsp.dev/uri" |
| 13 | |
| 14 | "olexsmir.xyz/clerk/internal/linter" |
| 15 | "olexsmir.xyz/clerk/internal/xdg" |
| 16 | "olexsmir.xyz/clerk/journal" |
| 17 | "olexsmir.xyz/clerk/journal/printer" |
| 18 | ) |
| 19 | |
| 20 | type Server struct{ server *server } |
| 21 | |
| 22 | func NewServer(version string) Server { |
| 23 | var logger *slog.Logger |
| 24 | logFile, err := openLogFile() |
| 25 | if err == nil { |
| 26 | logger = slog.New(slog.NewTextHandler(logFile, nil)) |
| 27 | } else { |
| 28 | logger = slog.New(slog.NewTextHandler(os.Stderr, nil)) |
| 29 | } |
| 30 | |
| 31 | return Server{ |
| 32 | &server{ |
| 33 | name: "clerk", |
| 34 | version: version, |
| 35 | |
| 36 | openDocs: make(map[uri.URI]docState), |
| 37 | |
| 38 | config: DefaultConfig, |
| 39 | linter: linter.NewLinter(linter.Rules), |
| 40 | loader: journal.NewLoader(), |
| 41 | printer: printer.DefaultConfig, |
| 42 | |
| 43 | log: logger, |
| 44 | }, |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | func openLogFile() (*os.File, error) { |
| 49 | dir, err := xdg.StateDir() |
| 50 | if err != nil { |
| 51 | return nil, err |
| 52 | } |
| 53 | dir = filepath.Join(dir, "clerk") |
| 54 | if err := os.MkdirAll(dir, 0o700); err != nil { |
| 55 | return nil, err |
| 56 | } |
| 57 | return os.OpenFile(filepath.Join(dir, "lsp.log"), os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o644) |
| 58 | } |
| 59 | |
| 60 | func (s *Server) Run(ctx context.Context, stdin io.ReadCloser, stdout io.WriteCloser) error { |
| 61 | stream := jsonrpc2.NewStream(readWriterCloser{ |
| 62 | Reader: stdin, |
| 63 | Writer: stdout, |
| 64 | Closer: stdin, |
| 65 | }) |
| 66 | |
| 67 | _, conn, client := protocol.NewServer(ctx, s.server, stream) |
| 68 | defer conn.Close() |
| 69 | |
| 70 | s.server.client = client |
| 71 | |
| 72 | <-conn.Done() |
| 73 | return conn.Err() |
| 74 | } |
| 75 | |
| 76 | type readWriterCloser struct { |
| 77 | io.Reader |
| 78 | io.Writer |
| 79 | io.Closer |
| 80 | } |