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
33 let tactical_separator = ";"
35 let pp_term_ast term = CicAstPp.pp_term term
36 let pp_term_cic term = CicPp.ppterm term
38 let pp_idents idents = "[" ^ String.concat "; " idents ^ "]"
40 let pp_terms_ast terms = String.concat ", " (List.map pp_term_ast terms)
42 let pp_reduction_kind = function
44 | `Simpl -> "simplify"
46 | `Normalize -> "normalize"
49 let pp_pattern (t, hyp, goal) =
50 let pp_hyp_pattern l =
52 (List.map (fun (name, p) -> sprintf "%s : %s" name (pp_term_ast p)) l) in
56 | Some t -> pp_term_ast t
58 pp_t t ^ " in " ^ pp_hyp_pattern hyp ^ " \\vdash " ^ pp_term_ast goal
60 let pp_intros_specs = function
62 | Some num, [] -> Printf.sprintf " names %i" num
63 | None, idents -> Printf.sprintf " names %s" (pp_idents idents)
64 | Some num, idents -> Printf.sprintf " names %i %s" num (pp_idents idents)
66 let rec pp_tactic = function
67 | Absurd (_, term) -> "absurd" ^ pp_term_ast term
68 | Apply (_, term) -> "apply " ^ pp_term_ast term
70 | Assumption _ -> "assumption"
71 | Change (_, where, with_what) ->
72 sprintf "change %s with %s" (pp_pattern where) (pp_term_ast with_what)
73 | Clear (_,id) -> sprintf "clear %s" id
74 | ClearBody (_,id) -> sprintf "clearbody %s" id
75 | Compare (_,term) -> "compare " ^ pp_term_ast term
76 | Constructor (_,n) -> "constructor " ^ string_of_int n
77 | Contradiction _ -> "contradiction"
78 | Cut (_, ident, term) ->
79 "cut " ^ pp_term_ast term ^
80 (match ident with None -> "" | Some id -> " as " ^ id)
81 | DecideEquality _ -> "decide equality"
82 | Decompose (_, term) ->
83 sprintf "decompose %s" (pp_term_ast term)
84 | Discriminate (_, term) -> "discriminate " ^ pp_term_ast term
85 | Elim (_, term, using, num, idents) ->
86 sprintf "elim " ^ pp_term_ast term ^
87 (match using with None -> "" | Some term -> " using " ^ pp_term_ast term)
88 ^ pp_intros_specs (num, idents)
89 | ElimType (_, term, using, num, idents) ->
90 sprintf "elim type " ^ pp_term_ast term ^
91 (match using with None -> "" | Some term -> " using " ^ pp_term_ast term)
92 ^ pp_intros_specs (num, idents)
93 | Exact (_, term) -> "exact " ^ pp_term_ast term
94 | Exists _ -> "exists"
95 | Fold (_, kind, term, pattern) ->
96 sprintf "fold %s %s %s" (pp_reduction_kind kind)
97 (pp_term_ast term) (pp_pattern pattern)
98 | FwdSimpl (_, hyp, idents) ->
99 sprintf "fwd %s%s" hyp
100 (match idents with [] -> "" | idents -> " " ^ pp_idents idents)
101 | Generalize (_, pattern, ident) ->
102 sprintf "generalize %s%s" (pp_pattern pattern)
103 (match ident with None -> "" | Some id -> " as " ^ id)
104 | Goal (_, n) -> "goal " ^ string_of_int n
106 | Fourier _ -> "fourier"
108 | Injection (_, term) -> "injection " ^ pp_term_ast term
109 | Intros (_, None, []) -> "intro"
110 | Intros (_, num, idents) ->
112 (match num with None -> "" | Some num -> " " ^ string_of_int num)
113 (match idents with [] -> "" | idents -> " " ^ pp_idents idents)
114 | LApply (_, level_opt, terms, term, ident_opt) ->
115 sprintf "lapply %s%s%s%s"
116 (match level_opt with None -> "" | Some i -> " depth = " ^ string_of_int i ^ " ")
118 (match terms with [] -> "" | _ -> " to " ^ pp_terms_ast terms)
119 (match ident_opt with None -> "" | Some ident -> " using " ^ ident)
121 | LetIn (_, term, ident) -> sprintf "let %s in %s" (pp_term_ast term) ident
122 | Reduce (_, kind, pat) ->
123 sprintf "%s %s" (pp_reduction_kind kind) (pp_pattern pat)
124 | Reflexivity _ -> "reflexivity"
125 | Replace (_, pattern, t) ->
126 sprintf "replace %s with %s" (pp_pattern pattern) (pp_term_ast t)
127 | Rewrite (_, pos, t, pattern) ->
128 sprintf "rewrite %s %s %s"
129 (if pos = `LeftToRight then ">" else "<")
135 | Symmetry _ -> "symmetry"
136 | Transitivity (_, term) -> "transitivity " ^ pp_term_ast term
138 let pp_flavour = function
139 | `Definition -> "Definition"
143 | `Remark -> "Remark"
144 | `Theorem -> "Theorem"
146 let pp_search_kind = function
147 | `Locate -> "locate"
152 let pp_macro pp_term = function
154 | WInstance (_, term) -> "whelp instance " ^ pp_term term
155 | WHint (_, t) -> "whelp hint " ^ pp_term t
156 | WLocate (_, s) -> "whelp locate " ^ s
157 | WElim (_, t) -> "whelp elim " ^ pp_term t
158 | WMatch (_, term) -> "whelp match " ^ pp_term term
160 (* | Abort _ -> "Abort" *)
161 | Check (_, term) -> sprintf "Check %s" (pp_term term)
163 (* | Redo (_, None) -> "Redo"
164 | Redo (_, Some n) -> sprintf "Redo %d" n *)
165 | Search_pat (_, kind, pat) ->
166 sprintf "search %s \"%s\"" (pp_search_kind kind) pat
167 | Search_term (_, kind, term) ->
168 sprintf "search %s %s" (pp_search_kind kind) (pp_term term)
169 (* | Undo (_, None) -> "Undo"
170 | Undo (_, Some n) -> sprintf "Undo %d" n *)
171 | Print (_, name) -> sprintf "Print \"%s\"" name
174 let pp_macro_ast = pp_macro pp_term_ast
175 let pp_macro_cic = pp_macro pp_term_cic
177 let pp_alias = function
178 | Ident_alias (id, uri) -> sprintf "alias id \"%s\" = \"%s\"" id uri
179 | Symbol_alias (symb, instance, desc) ->
180 sprintf "alias symbol \"%s\" (instance %d) = \"%s\""
182 | Number_alias (instance,desc) ->
183 sprintf "alias num (instance %d) = \"%s\"" instance desc
185 let pp_params = function
191 (fun (name, typ) -> sprintf "(%s:%s)" name (pp_term_ast typ))
194 let pp_fields fields =
195 (if fields <> [] then "\n" else "") ^
197 (List.map (fun (name,ty) -> " " ^ name ^ ": " ^ pp_term_ast ty) fields)
199 let pp_obj = function
200 | Inductive (params, types) ->
201 let pp_constructors constructors =
203 (List.map (fun (name, typ) -> sprintf "| %s: %s" name (pp_term_ast typ))
206 let pp_type (name, _, typ, constructors) =
207 sprintf "\nwith %s: %s \\def\n%s" name (pp_term_ast typ)
208 (pp_constructors constructors)
212 | (name, inductive, typ, constructors) :: tl ->
214 sprintf "%sinductive %s%s: %s \\def\n%s"
215 (if inductive then "" else "co") name (pp_params params)
216 (pp_term_ast typ) (pp_constructors constructors)
218 fst_typ_pp ^ String.concat "" (List.map pp_type tl))
219 | Theorem (flavour, name, typ, body) ->
220 sprintf "%s %s: %s %s"
226 | Some body -> "\\def " ^ pp_term_ast body)
227 | Record (params,name,ty,fields) ->
228 "record " ^ name ^ " " ^ pp_params params ^ " \\def {" ^
229 pp_fields fields ^ "}"
232 let pp_command = function
233 | Include (_,path) -> "include " ^ path
236 | Set (_, name, value) -> sprintf "set \"%s\" \"%s\"" name value
237 | Coercion (_,term) -> sprintf "coercion %s" (pp_term_ast term)
238 | Alias (_,s) -> pp_alias s
239 | Obj (_,obj) -> pp_obj obj
240 | Default (_,what,uris) ->
241 sprintf "default \"%s\" %s" what
242 (String.concat " " (List.map UriManager.string_of_uri uris))
244 let rec pp_tactical = function
245 | Tactic (_, tac) -> pp_tactic tac
246 | Do (_, count, tac) -> sprintf "do %d %s" count (pp_tactical tac)
247 | Repeat (_, tac) -> "repeat " ^ pp_tactical tac
248 | Seq (_, tacs) -> pp_tacticals tacs
249 | Then (_, tac, tacs) ->
250 sprintf "%s [%s]" (pp_tactical tac) (pp_tacticals tacs)
251 | Tries (_, tacs) -> sprintf "tries [%s]" (pp_tacticals tacs)
252 | Try (_, tac) -> "try " ^ pp_tactical tac
254 and pp_tacticals tacs =
255 String.concat (tactical_separator ^ " ") (List.map pp_tactical tacs)
257 let pp_tactical tac = pp_tactical tac ^ tactical_terminator
258 let pp_tactic tac = pp_tactic tac ^ tactic_terminator
259 let pp_command tac = pp_command tac ^ command_terminator
261 let pp_executable = function
262 | Macro (_,x) -> pp_macro_ast x
263 | Tactical (_,x) -> pp_tactical x
264 | Command (_,x) -> pp_command x
266 let pp_comment = function
267 | Note (_,str) -> sprintf "(* %s *)" str
268 | Code (_,code) -> sprintf "(** %s. **)" (pp_executable code)
270 let pp_statement = function
271 | Executable (_, ex) -> pp_executable ex
272 | Comment (_, c) -> pp_comment c
274 let pp_cic_command = function
275 | Include (_,path) -> "include " ^ path
278 | Coercion (_,term) -> sprintf "coercion %s" (CicPp.ppterm term)
282 | Obj (_,_) -> assert false (* not implemented *)