module H = Easy_logging.Handlers module L = Easy_logging.Logging let _ = L.make_logger "MainLogger" Debug [ Cli Debug ] (** The main logger *) let log = L.get_logger "MainLogger" (** Below, we create subgloggers for various submodules, so that we can precisely toggle logging on/off, depending on which information we need *) (** Logger for Interpreter *) let interpreter_log = L.get_logger "MainLogger.Interpreter" (** Logger for InterpreterStatements *) let statements_log = L.get_logger "MainLogger.Interpreter.Statements" (** Logger for InterpreterExpressions *) let expressions_log = L.get_logger "MainLogger.Interpreter.Expressions" (** Logger for InterpreterExpansion *) let expansion_log = L.get_logger "MainLogger.Interpreter.Expansion" (** Logger for InterpreterBorrows *) let borrows_log = L.get_logger "MainLogger.Interpreter.Borrows" (** Logger for Invariants *) let invariants_log = L.get_logger "MainLogger.Interpreter.Invariants" (** Terminal colors - TODO: comes from easy_logging (did not manage to reuse the module directly) *) type color = | Default | Black | Red | Green | Yellow | Blue | Magenta | Cyan | Gray | White | LRed | LGreen | LYellow | LBlue | LMagenta | LCyan | LGray (** Terminal styles - TODO: comes from easy_logging (did not manage to reuse the module directly) *) type format = Bold | Underline | Invert | Fg of color | Bg of color (** TODO: comes from easy_logging (did not manage to reuse the module directly) *) let to_fg_code c = match c with | Default -> 39 | Black -> 30 | Red -> 31 | Green -> 32 | Yellow -> 33 | Blue -> 34 | Magenta -> 35 | Cyan -> 36 | Gray -> 90 | White -> 97 | LRed -> 91 | LGreen -> 92 | LYellow -> 93 | LBlue -> 94 | LMagenta -> 95 | LCyan -> 96 | LGray -> 37 (** TODO: comes from easy_logging (did not manage to reuse the module directly) *) let to_bg_code c = match c with | Default -> 49 | Black -> 40 | Red -> 41 | Green -> 42 | Yellow -> 43 | Blue -> 44 | Magenta -> 45 | Cyan -> 46 | Gray -> 100 | White -> 107 | LRed -> 101 | LGreen -> 102 | LYellow -> 103 | LBlue -> 104 | LMagenta -> 105 | LCyan -> 106 | LGray -> 47 (** TODO: comes from easy_logging (did not manage to reuse the module directly) *) let style_to_codes s = match s with | Bold -> (1, 21) | Underline -> (4, 24) | Invert -> (7, 27) | Fg c -> (to_fg_code c, to_fg_code Default) | Bg c -> (to_bg_code c, to_bg_code Default) (** TODO: comes from easy_logging (did not manage to reuse the module directly) *) let level_to_color (lvl : L.level) = match lvl with | L.Flash -> LMagenta | Error -> LRed | Warning -> LYellow | Info -> LBlue | Trace -> Cyan | Debug -> Green | NoLevel -> Default (** [format styles str] formats [str] to the given [styles] - TODO: comes from easy_logging (did not manage to reuse the module directl) *) let rec format styles str = match styles with | (_ as s) :: styles' -> let set, reset = style_to_codes s in Printf.sprintf "\027[%dm%s\027[%dm" set (format styles' str) reset | [] -> str (** TODO: comes from easy_logging (did not manage to reuse the module directly) *) let format_tags (tags : string list) = match tags with | [] -> "" | _ -> let elems_str = String.concat " | " tags in "[" ^ elems_str ^ "] " (* Change the formatters *) let _ = (* TODO: comes from easy_logging *) let formatter (item : L.log_item) : string = let item_level_fmt = format [ Fg (level_to_color item.level) ] (L.show_level item.level) and item_msg_fmt = match item.level with | Flash -> format [ Fg Black; Bg LMagenta ] item.msg | _ -> item.msg in Format.pp_set_max_indent Format.str_formatter 200; Format.sprintf "@[[%-15s] %s%s@]" item_level_fmt (format_tags item.tags) item_msg_fmt in (* There should be exactly one handler *) let handlers = log#get_handlers in List.map (fun h -> H.set_formatter h formatter) handlers