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 tactical_terminator = "."
31 let tactic_terminator = tactical_terminator
32 let tactical_separator = ";"
34 let pp_term_ast term = CicAstPp.pp_term term
35 let pp_term_cic term = CicPp.ppterm term
37 let pp_idents idents = "[" ^ String.concat "; " idents ^ "]"
39 let pp_reduction_kind = function
41 | `Simpl -> "simplify"
44 let rec pp_tactic = function
45 | Absurd (_, term) -> "absurd" ^ pp_term_ast term
46 | Apply (_, term) -> "apply " ^ pp_term_ast term
48 | Assumption _ -> "assumption"
49 | Change (_, t1, t2, where) ->
50 sprintf "change %s with %s%s" (pp_term_ast t1) (pp_term_ast t2)
51 (match where with None -> "" | Some ident -> "in " ^ ident)
52 | Change_pattern (_, _, _, _) -> assert false (* TODO *)
53 | Contradiction _ -> "contradiction"
54 | Cut (_, term) -> "cut " ^ pp_term_ast term
55 | Decompose (_, ident, principles) ->
56 sprintf "decompose %s %s" (pp_idents principles) ident
57 | Discriminate (_, ident) -> "discriminate " ^ ident
58 | Elim (_, term, using) ->
59 sprintf "elim " ^ pp_term_ast term ^
60 (match using with None -> "" | Some term -> " using " ^ pp_term_ast term)
61 | ElimType (_, term) -> "elim type " ^ pp_term_ast term
62 | Exact (_, term) -> "exact " ^ pp_term_ast term
63 | Exists _ -> "exists"
64 | Fold (_, kind, term) ->
65 sprintf "fold %s %s" (pp_reduction_kind kind) (pp_term_ast term)
66 | Goal (_, n) -> "goal " ^ string_of_int n
67 | Fourier _ -> "fourier"
68 | Injection (_, ident) -> "injection " ^ ident
69 | Intros (_, None, []) -> "intro"
70 | Intros (_, num, idents) ->
72 (match num with None -> "" | Some num -> " " ^ string_of_int num)
73 (match idents with [] -> "" | idents -> " " ^ pp_idents idents)
75 | LetIn (_, term, ident) -> sprintf "let %s in %s" (pp_term_ast term) ident
76 | Reduce (_, kind, None)
77 | Reduce (_, kind, Some ([], `Goal)) -> pp_reduction_kind kind
78 | Reduce (_, kind, Some ([], `Everywhere)) ->
79 sprintf "%s in hyp" (pp_reduction_kind kind)
80 | Reduce (_, kind, Some (terms, `Goal)) ->
81 sprintf "%s %s" (pp_reduction_kind kind)
82 (String.concat ", " (List.map pp_term_ast terms))
83 | Reduce (_, kind, Some (terms, `Everywhere)) ->
84 sprintf "%s in hyp %s" (pp_reduction_kind kind)
85 (String.concat ", " (List.map pp_term_ast terms))
86 | Reflexivity _ -> "reflexivity"
87 | Replace (_, t1, t2) ->
88 sprintf "replace %s with %s" (pp_term_ast t1) (pp_term_ast t2)
89 | Replace_pattern (_, _, _) -> assert false (* TODO *)
90 | Rewrite (_, pos, t, None) ->
91 sprintf "rewrite %s %s"
92 (if pos = `Left then "left" else "right") (pp_term_ast t)
93 | Rewrite _ -> assert false (* TODO *)
97 | Symmetry _ -> "symmetry"
98 | Transitivity (_, term) -> "transitivity " ^ pp_term_ast term
100 let pp_flavour = function
101 | `Definition -> "Definition"
105 | `Remark -> "Remark"
106 | `Theorem -> "Theorem"
108 let pp_search_kind = function
109 | `Locate -> "locate"
114 let pp_macro pp_term = function
116 | WInstance (_, term) -> "whelp instance " ^ pp_term term
117 | WHint (_, t) -> "whelp hint " ^ pp_term t
118 | WLocate (_, s) -> "whelp locate " ^ s
119 | WElim (_, t) -> "whelp elim " ^ pp_term t
120 | WMatch (_, term) -> "whelp match " ^ pp_term term
123 | Check (_, term) -> sprintf "Check %s" (pp_term term)
125 | Redo (_, None) -> "Redo"
126 | Redo (_, Some n) -> sprintf "Redo %d" n
127 | Search_pat (_, kind, pat) ->
128 sprintf "search %s \"%s\"" (pp_search_kind kind) pat
129 | Search_term (_, kind, term) ->
130 sprintf "search %s %s" (pp_search_kind kind) (pp_term term)
131 | Undo (_, None) -> "Undo"
132 | Undo (_, Some n) -> sprintf "Undo %d" n
133 | Print (_, name) -> sprintf "Print \"%s\"" name
136 let pp_macro_ast = pp_macro pp_term_ast
137 let pp_macro_cic = pp_macro pp_term_cic
139 let pp_alias = function
140 | Ident_alias (id, uri) -> sprintf "alias id \"%s\" = \"%s\"" id uri
141 | Symbol_alias (symb, instance, desc) ->
142 sprintf "alias symbol \"%s\" (instance %d) = \"%s\""
144 | Number_alias (instance,desc) ->
145 sprintf "alias num (instance %d) = \"%s\"" instance desc
147 let pp_command = function
149 | Set (_, name, value) -> sprintf "Set \"%s\" \"%s\"" name value
150 | Inductive (_, params, types) ->
151 let pp_params = function
157 (fun (name, typ) -> sprintf "(%s:%s)" name (pp_term_ast typ))
160 let pp_constructors constructors =
162 (List.map (fun (name, typ) -> sprintf "| %s: %s" name (pp_term_ast typ))
165 let pp_type (name, _, typ, constructors) =
166 sprintf "\nwith %s: %s \\def\n%s" name (pp_term_ast typ)
167 (pp_constructors constructors)
171 | (name, inductive, typ, constructors) :: tl ->
173 sprintf "%sinductive %s%s: %s \\def\n%s"
174 (if inductive then "" else "co") name (pp_params params)
175 (pp_term_ast typ) (pp_constructors constructors)
177 fst_typ_pp ^ String.concat "" (List.map pp_type tl))
178 | Theorem (_, flavour, name, typ, body) ->
179 sprintf "%s %s: %s %s"
181 (match name with None -> "" | Some name -> name)
185 | Some body -> "\\def " ^ pp_term_ast body)
186 | Coercion (_,_) -> "Coercion IMPLEMENT ME!!!!!"
187 | Alias (_,s) -> pp_alias s
189 let rec pp_tactical = function
190 | Tactic (_, tac) -> pp_tactic tac
193 | Do (_, count, tac) -> sprintf "do %d %s" count (pp_tactical tac)
195 | Repeat (_, tac) -> "repeat " ^ pp_tactical tac
196 | Seq (_, tacs) -> pp_tacticals tacs
197 | Then (_, tac, tacs) ->
198 sprintf "%s [%s]" (pp_tactical tac) (pp_tacticals tacs)
199 | Tries (_, tacs) -> sprintf "tries [%s]" (pp_tacticals tacs)
200 | Try (_, tac) -> "try " ^ pp_tactical tac
202 and pp_tacticals tacs =
203 String.concat (tactical_separator ^ " ") (List.map pp_tactical tacs)
205 let pp_tactical tac = pp_tactical tac ^ tactical_terminator
206 let pp_tactic tac = pp_tactic tac ^ tactic_terminator
208 let pp_executable = function
209 | Macro (_,x) -> pp_macro_ast x
210 | Tactical (_,x) -> pp_tactical x
211 | Command (_,x) -> pp_command x
213 let pp_comment = function
214 | Note (_,str) -> sprintf "(* %s *)" str
215 | Code (_,code) -> sprintf "(** %s. **)" (pp_executable code)
217 let pp_statement = function
218 | Executable (_, ex) -> pp_executable ex
219 | Comment (_, c) -> pp_comment c