1 (* Copyright (C) 2004, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://helm.cs.unibo.it/
30 let pp_term term = CicAstPp.pp_term term
32 let pp_idents idents = "[" ^ String.concat "; " idents ^ "]"
34 let pp_reduction_kind = function
39 let rec pp_tactic = function
40 | LocatedTactic (loc, tac) -> pp_tactic tac
42 | Apply term -> "apply " ^ pp_term term
43 | Assumption -> "assumption"
44 | Change (t1, t2, where) ->
45 sprintf "change %s with %s%s" (pp_term t1) (pp_term t2)
46 (match where with None -> "" | Some ident -> "in " ^ ident)
47 | Change_pattern (_, _, _) -> assert false (* TODO *)
48 | Contradiction -> "contradiction"
49 | Cut term -> "cut " ^ pp_term term
50 | Decompose (ident, principles) ->
51 sprintf "decompose %s %s" (pp_idents principles) ident
52 | Discriminate ident -> "discriminate " ^ ident
53 | Elim (term, using) ->
54 sprintf "elim " ^ pp_term term ^
55 (match using with None -> "" | Some term -> " using " ^ pp_term term)
56 | ElimType term -> "elim type " ^ pp_term term
57 | Exact term -> "exact " ^ pp_term term
59 | Fold (kind, term) ->
60 sprintf "fold %s %s" (pp_reduction_kind kind) (pp_term term)
61 | Fourier -> "fourier"
62 | Injection ident -> "injection " ^ ident
63 | Intros (num, idents) ->
65 (match num with None -> "" | Some num -> " " ^ string_of_int num)
66 (match idents with [] -> "" | idents -> " " ^ pp_idents idents)
68 | LetIn (term, ident) -> sprintf "let %s in %s" (pp_term term) ident
69 | Reduce (_, _, _) -> assert false (* TODO *)
70 | Reflexivity -> "reflexivity"
71 | Replace (t1, t2) -> sprintf "replace %s with %s" (pp_term t1) (pp_term t2)
72 | Replace_pattern (_, _) -> assert false (* TODO *)
73 | Rewrite (_, _, _) -> assert false (* TODO *)
77 | Symmetry -> "symmetry"
78 | Transitivity term -> "transitivity " ^ pp_term term
80 let rec pp_tactical = function
81 | LocatedTactical (loc, tac) -> pp_tactical tac
83 | Do (count, tac) -> sprintf "do %d %s" count (pp_tactical tac)
85 | Repeat tac -> "repeat " ^ pp_tactical tac
86 | Seq tacs -> pp_tacticals tacs
87 | Tactic tac -> pp_tactic tac
88 | Then (tac, tacs) -> sprintf "%s [%s]" (pp_tactical tac) (pp_tacticals tacs)
89 | Tries tacs -> sprintf "tries [%s]" (pp_tacticals tacs)
90 | Try tac -> "try " ^ pp_tactical tac
92 and pp_tacticals tacs = String.concat "; " (List.map pp_tactical tacs)
94 let pp_tactical tac = pp_tactical tac ^ "."