(* Title: Pure/Syntax/token_trans.ML
ID: $Id$
Author: Markus Wenzel, TU Muenchen
Token translations for xterm output.
*)
signature TOKEN_TRANS0 =
sig
val standard_token_classes: string list
val tokentrans_mode: string -> (string * (string -> string * real)) list ->
(string * string * (string -> string * real)) list
end;
signature TOKEN_TRANS =
sig
include TOKEN_TRANS0
val normal: string
val bold: string
val underline: string
val reverse: string
val black: string
val red: string
val green: string
val yellow: string
val blue: string
val purple: string
val cyan: string
val white: string
val xterm_class: string ref
val xterm_tfree: string ref
val xterm_tvar: string ref
val xterm_free: string ref
val xterm_bound: string ref
val xterm_var: string ref
val xterm_color_class: string ref
val xterm_color_tfree: string ref
val xterm_color_tvar: string ref
val xterm_color_free: string ref
val xterm_color_bound: string ref
val xterm_color_var: string ref
val token_translation: (string * string * (string -> string * real)) list
end;
structure TokenTrans: TOKEN_TRANS =
struct
(** misc utils **)
fun tokentrans_mode m trs = map (fn (s, f) => (m, s, f)) trs;
val standard_token_classes =
["class", "tfree", "tvar", "free", "bound", "var", "xnum", "xstr"];
(** xterm output **)
(* styles *)
val normal = "\^[[0m";
val bold = "\^[[1m";
val underline = "\^[[4m";
val reverse = "\^[[7m";
val black = "\^[[30m";
val red = "\^[[31m";
val green = "\^[[32m";
val yellow = "\^[[33m";
val blue = "\^[[34m";
val purple = "\^[[35m";
val cyan = "\^[[36m";
val white = "\^[[37m";
fun style (ref s) x = (s ^ x ^ normal, real (size x));
(* print modes "xterm" and "xterm_color" *)
val xterm_class = ref normal;
val xterm_tfree = ref bold;
val xterm_tvar = ref bold;
val xterm_free = ref bold;
val xterm_bound = ref underline;
val xterm_var = ref bold;
val xterm_color_class = ref red;
val xterm_color_tfree = ref purple;
val xterm_color_tvar = ref purple;
val xterm_color_free = ref blue;
val xterm_color_bound = ref green;
val xterm_color_var = ref blue;
val xterm_trans =
tokentrans_mode "xterm"
[("class", style xterm_class),
("tfree", style xterm_tfree),
("tvar", style xterm_tvar),
("free", style xterm_free),
("bound", style xterm_bound),
("var", style xterm_var)] @
tokentrans_mode "xterm_color"
[("class", style xterm_color_class),
("tfree", style xterm_color_tfree),
("tvar", style xterm_color_tvar),
("free", style xterm_color_free),
("bound", style xterm_color_bound),
("var", style xterm_color_var)];
(** standard token translations **)
val token_translation =
map (fn s => ("", s, fn x => (x, real (size x)))) standard_token_classes @
xterm_trans;
end;