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Diffstat (limited to 'printing/ppstyle.ml')
| -rw-r--r-- | printing/ppstyle.ml | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/printing/ppstyle.ml b/printing/ppstyle.ml deleted file mode 100644 index fb334c706..000000000 --- a/printing/ppstyle.ml +++ /dev/null @@ -1,149 +0,0 @@ -(************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *) -(* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) -(************************************************************************) - -open Util - -type t = string -(** We use the concatenated string, with dots separating each string. We - forbid the use of dots in the strings. *) - -let tags : Terminal.style option String.Map.t ref = ref String.Map.empty - -let make ?style tag = - let check s = if String.contains s '.' then invalid_arg "Ppstyle.make" in - let () = List.iter check tag in - let name = String.concat "." tag in - let () = assert (not (String.Map.mem name !tags)) in - let () = tags := String.Map.add name style !tags in - name - -let repr t = String.split '.' t - -let get_style tag = - try String.Map.find tag !tags with Not_found -> assert false - -let set_style tag st = - try tags := String.Map.update tag st !tags with Not_found -> assert false - -let clear_styles () = - tags := String.Map.map (fun _ -> None) !tags - -let dump () = String.Map.bindings !tags - -let parse_config s = - let styles = Terminal.parse s in - let set accu (name, st) = - try String.Map.update name (Some st) accu with Not_found -> accu - in - tags := List.fold_left set !tags styles - -let tag = Pp.Tag.create "ppstyle" - -(** Default tag is to reset everything *) -let default = Terminal.({ - fg_color = Some `DEFAULT; - bg_color = Some `DEFAULT; - bold = Some false; - italic = Some false; - underline = Some false; - negative = Some false; -}) - -let empty = Terminal.make () - -let make_style_stack style_tags = - (** Not thread-safe. We should put a lock somewhere if we print from - different threads. Do we? *) - let style_stack = ref [] in - let peek () = match !style_stack with - | [] -> default (** Anomalous case, but for robustness *) - | st :: _ -> st - in - let push tag = - let style = - try - begin match String.Map.find tag style_tags with - | None -> empty - | Some st -> st - end - with Not_found -> empty - in - (** Use the merging of the latest tag and the one being currently pushed. - This may be useful if for instance the latest tag changes the background and - the current one the foreground, so that the two effects are additioned. *) - let style = Terminal.merge (peek ()) style in - let () = style_stack := style :: !style_stack in - Terminal.eval style - in - let pop _ = match !style_stack with - | [] -> - (** Something went wrong, we fallback *) - Terminal.eval default - | _ :: rem -> - let () = style_stack := rem in - Terminal.eval (peek ()) - in - let clear () = style_stack := [] in - push, pop, clear - -let error_tag = - let style = Terminal.make ~bold:true ~fg_color:`WHITE ~bg_color:`RED () in - make ~style ["message"; "error"] - -let warning_tag = - let style = Terminal.make ~bold:true ~fg_color:`WHITE ~bg_color:`YELLOW () in - make ~style ["message"; "warning"] - -let debug_tag = - let style = Terminal.make ~bold:true ~fg_color:`WHITE ~bg_color:`MAGENTA () in - make ~style ["message"; "debug"] - -let pp_tag t = match Pp.Tag.prj t tag with -| None -> "" -| Some key -> key - -let init_color_output () = - let push_tag, pop_tag, clear_tag = make_style_stack !tags in - let tag_handler = { - Format.mark_open_tag = push_tag; - Format.mark_close_tag = pop_tag; - Format.print_open_tag = ignore; - Format.print_close_tag = ignore; - } in - let open Pp_control in - let () = Format.pp_set_mark_tags !std_ft true in - let () = Format.pp_set_mark_tags !err_ft true in - let () = Format.pp_set_formatter_tag_functions !std_ft tag_handler in - let () = Format.pp_set_formatter_tag_functions !err_ft tag_handler in - let pptag = tag in - let open Pp in - let msg ?header ft strm = - let strm = match header with - | None -> hov 0 strm - | Some (h, t) -> - let tag = Pp.Tag.inj t pptag in - let h = Pp.tag tag (str h ++ str ":") in - hov 0 (h ++ spc () ++ strm) - in - pp_with ~pp_tag ft strm; - Format.pp_print_newline ft (); - Format.pp_print_flush ft (); - (** In case something went wrong, we reset the stack *) - clear_tag (); - in - let logger level strm = match level with - | Debug _ -> msg ~header:("Debug", debug_tag) !std_ft strm - | Info -> msg !std_ft strm - | Notice -> msg !std_ft strm - | Warning -> - let header = ("Warning", warning_tag) in - Flags.if_warn (fun () -> msg ~header !err_ft strm) () - | Error -> msg ~header:("Error", error_tag) !err_ft strm - in - let () = set_logger logger in - () |