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 command_terminator = tactical_terminator
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_terms_ast terms = String.concat ", " (List.map pp_term_ast terms)
41 let pp_reduction_kind = function
43 | `Simpl -> "simplify"
45 | `Normalize -> "normalize"
48 let pp_pattern (t, hyp, goal) =
49 let pp_hyp_pattern l =
51 (List.map (fun (name, p) -> sprintf "%s : %s" name (pp_term_ast p)) l) in
55 | Some t -> pp_term_ast t
57 pp_t t ^ " in " ^ pp_hyp_pattern hyp ^ " \\vdash " ^ pp_term_ast goal
59 let pp_intros_specs = function
61 | Some num, [] -> Printf.sprintf " names %i" num
62 | None, idents -> Printf.sprintf " names %s" (pp_idents idents)
63 | Some num, idents -> Printf.sprintf " names %i %s" num (pp_idents idents)
65 let rec pp_tactic = function
66 | Absurd (_, term) -> "absurd" ^ pp_term_ast term
67 | Apply (_, term) -> "apply " ^ pp_term_ast term
69 | Assumption _ -> "assumption"
70 | Change (_, where, with_what) ->
71 sprintf "change %s with %s" (pp_pattern where) (pp_term_ast with_what)
72 | Clear (_,id) -> sprintf "clear %s" id
73 | ClearBody (_,id) -> sprintf "clearbody %s" id
74 | Compare (_,term) -> "compare " ^ pp_term_ast term
75 | Constructor (_,n) -> "constructor " ^ string_of_int n
76 | Contradiction _ -> "contradiction"
77 | Cut (_, ident, term) ->
78 "cut " ^ pp_term_ast term ^
79 (match ident with None -> "" | Some id -> " as " ^ id)
80 | DecideEquality _ -> "decide equality"
81 | Decompose (_, [], what, names) ->
82 sprintf "decompose %s%s" what (pp_intros_specs (None, names))
83 | Decompose (_, types, what, names) ->
84 let to_ident = function
86 | Type _ -> assert false
88 let types = List.rev_map to_ident types in
89 sprintf "decompose %s %s%s" (pp_idents types) what (pp_intros_specs (None, names))
90 | Discriminate (_, term) -> "discriminate " ^ pp_term_ast term
91 | Elim (_, term, using, num, idents) ->
92 sprintf "elim " ^ pp_term_ast term ^
93 (match using with None -> "" | Some term -> " using " ^ pp_term_ast term)
94 ^ pp_intros_specs (num, idents)
95 | ElimType (_, term, using, num, idents) ->
96 sprintf "elim type " ^ pp_term_ast term ^
97 (match using with None -> "" | Some term -> " using " ^ pp_term_ast term)
98 ^ pp_intros_specs (num, idents)
99 | Exact (_, term) -> "exact " ^ pp_term_ast term
100 | Exists _ -> "exists"
101 | Fold (_, kind, term, pattern) ->
102 sprintf "fold %s %s %s" (pp_reduction_kind kind)
103 (pp_term_ast term) (pp_pattern pattern)
104 | FwdSimpl (_, hyp, idents) ->
105 sprintf "fwd %s%s" hyp
106 (match idents with [] -> "" | idents -> " " ^ pp_idents idents)
107 | Generalize (_, pattern, ident) ->
108 sprintf "generalize %s%s" (pp_pattern pattern)
109 (match ident with None -> "" | Some id -> " as " ^ id)
110 | Goal (_, n) -> "goal " ^ string_of_int n
112 | Fourier _ -> "fourier"
114 | Injection (_, term) -> "injection " ^ pp_term_ast term
115 | Intros (_, None, []) -> "intro"
116 | Intros (_, num, idents) ->
118 (match num with None -> "" | Some num -> " " ^ string_of_int num)
119 (match idents with [] -> "" | idents -> " " ^ pp_idents idents)
120 | LApply (_, level_opt, terms, term, ident_opt) ->
121 sprintf "lapply %s%s%s%s"
122 (match level_opt with None -> "" | Some i -> " depth = " ^ string_of_int i ^ " ")
124 (match terms with [] -> "" | _ -> " to " ^ pp_terms_ast terms)
125 (match ident_opt with None -> "" | Some ident -> " using " ^ ident)
127 | LetIn (_, term, ident) -> sprintf "let %s in %s" (pp_term_ast term) ident
128 | Reduce (_, kind, pat) ->
129 sprintf "%s %s" (pp_reduction_kind kind) (pp_pattern pat)
130 | Reflexivity _ -> "reflexivity"
131 | Replace (_, pattern, t) ->
132 sprintf "replace %s with %s" (pp_pattern pattern) (pp_term_ast t)
133 | Rewrite (_, pos, t, pattern) ->
134 sprintf "rewrite %s %s %s"
135 (if pos = `LeftToRight then ">" else "<")
141 | Symmetry _ -> "symmetry"
142 | Transitivity (_, term) -> "transitivity " ^ pp_term_ast term
144 let pp_flavour = function
145 | `Definition -> "Definition"
149 | `Remark -> "Remark"
150 | `Theorem -> "Theorem"
151 | `Variant -> "Variant"
153 let pp_search_kind = function
154 | `Locate -> "locate"
158 | `Instance -> "instance"
160 let pp_macro pp_term = function
162 | WInstance (_, term) -> "whelp instance " ^ pp_term term
163 | WHint (_, t) -> "whelp hint " ^ pp_term t
164 | WLocate (_, s) -> "whelp locate " ^ s
165 | WElim (_, t) -> "whelp elim " ^ pp_term t
166 | WMatch (_, term) -> "whelp match " ^ pp_term term
168 (* | Abort _ -> "Abort" *)
169 | Check (_, term) -> sprintf "Check %s" (pp_term term)
171 (* | Redo (_, None) -> "Redo"
172 | Redo (_, Some n) -> sprintf "Redo %d" n *)
173 | Search_pat (_, kind, pat) ->
174 sprintf "search %s \"%s\"" (pp_search_kind kind) pat
175 | Search_term (_, kind, term) ->
176 sprintf "search %s %s" (pp_search_kind kind) (pp_term term)
177 (* | Undo (_, None) -> "Undo"
178 | Undo (_, Some n) -> sprintf "Undo %d" n *)
179 | Print (_, name) -> sprintf "Print \"%s\"" name
182 let pp_macro_ast = pp_macro pp_term_ast
183 let pp_macro_cic = pp_macro pp_term_cic
185 let pp_alias = function
186 | Ident_alias (id, uri) -> sprintf "alias id \"%s\" = \"%s\"" id uri
187 | Symbol_alias (symb, instance, desc) ->
188 sprintf "alias symbol \"%s\" (instance %d) = \"%s\""
190 | Number_alias (instance,desc) ->
191 sprintf "alias num (instance %d) = \"%s\"" instance desc
193 let pp_params = function
199 (fun (name, typ) -> sprintf "(%s:%s)" name (pp_term_ast typ))
202 let pp_fields fields =
203 (if fields <> [] then "\n" else "") ^
205 (List.map (fun (name,ty) -> " " ^ name ^ ": " ^ pp_term_ast ty) fields)
207 let pp_obj = function
208 | Inductive (params, types) ->
209 let pp_constructors constructors =
211 (List.map (fun (name, typ) -> sprintf "| %s: %s" name (pp_term_ast typ))
214 let pp_type (name, _, typ, constructors) =
215 sprintf "\nwith %s: %s \\def\n%s" name (pp_term_ast typ)
216 (pp_constructors constructors)
220 | (name, inductive, typ, constructors) :: tl ->
222 sprintf "%sinductive %s%s: %s \\def\n%s"
223 (if inductive then "" else "co") name (pp_params params)
224 (pp_term_ast typ) (pp_constructors constructors)
226 fst_typ_pp ^ String.concat "" (List.map pp_type tl))
227 | Theorem (flavour, name, typ, body) ->
228 sprintf "%s %s: %s %s"
234 | Some body -> "\\def " ^ pp_term_ast body)
235 | Record (params,name,ty,fields) ->
236 "record " ^ name ^ " " ^ pp_params params ^ " \\def {" ^
237 pp_fields fields ^ "}"
239 let pp_command = function
240 | Include (_,path) -> "include " ^ path
243 | Set (_, name, value) -> sprintf "set \"%s\" \"%s\"" name value
244 | Coercion (_,term) -> sprintf "coercion %s" (pp_term_ast term)
245 | Alias (_,s) -> pp_alias s
246 | Obj (_,obj) -> pp_obj obj
247 | Default (_,what,uris) ->
248 sprintf "default \"%s\" %s" what
249 (String.concat " " (List.map UriManager.string_of_uri uris))
251 let rec pp_tactical = function
252 | Tactic (_, tac) -> pp_tactic tac
253 | Do (_, count, tac) -> sprintf "do %d %s" count (pp_tactical tac)
254 | Repeat (_, tac) -> "repeat " ^ pp_tactical tac
255 | Seq (_, tacs) -> pp_tacticals ~sep:"; " tacs
256 | Then (_, tac, tacs) ->
257 sprintf "%s; [%s]" (pp_tactical tac) (pp_tacticals ~sep:" | " tacs)
258 | First (_, tacs) -> sprintf "tries [%s]" (pp_tacticals ~sep:" | " tacs)
259 | Try (_, tac) -> "try " ^ pp_tactical tac
260 | Solve (_, tac) -> sprintf "solve [%s]" (pp_tacticals ~sep:" | " tac)
262 and pp_tacticals ~sep tacs =
263 String.concat sep (List.map pp_tactical tacs)
265 let pp_tactical tac = pp_tactical tac ^ tactical_terminator
266 let pp_tactic tac = pp_tactic tac ^ tactic_terminator
267 let pp_command tac = pp_command tac ^ command_terminator
269 let pp_executable = function
270 | Macro (_,x) -> pp_macro_ast x
271 | Tactical (_,x) -> pp_tactical x
272 | Command (_,x) -> pp_command x
274 let pp_comment = function
275 | Note (_,str) -> sprintf "(* %s *)" str
276 | Code (_,code) -> sprintf "(** %s. **)" (pp_executable code)
278 let pp_statement = function
279 | Executable (_, ex) -> pp_executable ex
280 | Comment (_, c) -> pp_comment c
282 let pp_cic_command = function
283 | Include (_,path) -> "include " ^ path
286 | Coercion (_,term) -> sprintf "coercion %s" (CicPp.ppterm term)
290 | Obj (_,_) -> assert false (* not implemented *)