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.
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15 * GNU General Public License for more details.
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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 module Ast = CicNotationPt
32 let tactical_terminator = ""
33 let tactic_terminator = tactical_terminator
34 let command_terminator = tactical_terminator
36 let pp_term_ast term = CicNotationPp.pp_term term
37 let pp_term_cic term = CicPp.ppterm term
39 let pp_idents idents = "[" ^ String.concat "; " idents ^ "]"
41 let pp_terms_ast terms = String.concat ", " (List.map pp_term_ast terms)
43 let pp_reduction_kind = function
44 | `Normalize -> "normalize"
46 | `Simpl -> "simplify"
47 | `Unfold (Some t) -> "unfold " ^ pp_term_ast t
48 | `Unfold None -> "unfold"
52 let pp_pattern (t, hyp, goal) =
53 let pp_hyp_pattern l =
55 (List.map (fun (name, p) -> sprintf "%s : %s" name (pp_term_ast p)) l) in
59 | Some t -> pp_term_ast t
61 pp_t t ^ " in " ^ pp_hyp_pattern hyp ^ " \\vdash " ^ pp_term_ast goal
63 let pp_intros_specs = function
65 | Some num, [] -> Printf.sprintf " names %i" num
66 | None, idents -> Printf.sprintf " names %s" (pp_idents idents)
67 | Some num, idents -> Printf.sprintf " names %i %s" num (pp_idents idents)
69 let rec pp_tactic = function
70 | Absurd (_, term) -> "absurd" ^ pp_term_ast term
71 | Apply (_, term) -> "apply " ^ pp_term_ast term
73 | Assumption _ -> "assumption"
74 | Change (_, where, with_what) ->
75 sprintf "change %s with %s" (pp_pattern where) (pp_term_ast with_what)
76 | Clear (_,id) -> sprintf "clear %s" id
77 | ClearBody (_,id) -> sprintf "clearbody %s" id
78 | Compare (_,term) -> "compare " ^ pp_term_ast term
79 | Constructor (_,n) -> "constructor " ^ string_of_int n
80 | Contradiction _ -> "contradiction"
81 | Cut (_, ident, term) ->
82 "cut " ^ pp_term_ast term ^
83 (match ident with None -> "" | Some id -> " as " ^ id)
84 | DecideEquality _ -> "decide equality"
85 | Decompose (_, [], what, names) ->
86 sprintf "decompose %s%s" what (pp_intros_specs (None, names))
87 | Decompose (_, types, what, names) ->
88 let to_ident = function
90 | Type _ -> assert false
92 let types = List.rev_map to_ident types in
93 sprintf "decompose %s %s%s" (pp_idents types) what (pp_intros_specs (None, names))
94 | Discriminate (_, term) -> "discriminate " ^ pp_term_ast term
95 | Elim (_, term, using, num, idents) ->
96 sprintf "elim " ^ pp_term_ast term ^
97 (match using with None -> "" | Some term -> " using " ^ pp_term_ast term)
98 ^ pp_intros_specs (num, idents)
99 | ElimType (_, term, using, num, idents) ->
100 sprintf "elim type " ^ pp_term_ast term ^
101 (match using with None -> "" | Some term -> " using " ^ pp_term_ast term)
102 ^ pp_intros_specs (num, idents)
103 | Exact (_, term) -> "exact " ^ pp_term_ast term
104 | Exists _ -> "exists"
105 | Fold (_, kind, term, pattern) ->
106 sprintf "fold %s %s %s" (pp_reduction_kind kind)
107 (pp_term_ast term) (pp_pattern pattern)
108 | FwdSimpl (_, hyp, idents) ->
109 sprintf "fwd %s%s" hyp
110 (match idents with [] -> "" | idents -> " " ^ pp_idents idents)
111 | Generalize (_, pattern, ident) ->
112 sprintf "generalize %s%s" (pp_pattern pattern)
113 (match ident with None -> "" | Some id -> " as " ^ id)
114 | Goal (_, n) -> "goal " ^ string_of_int n
116 | Fourier _ -> "fourier"
118 | Injection (_, term) -> "injection " ^ pp_term_ast term
119 | Intros (_, None, []) -> "intro"
120 | Intros (_, num, idents) ->
122 (match num with None -> "" | Some num -> " " ^ string_of_int num)
123 (match idents with [] -> "" | idents -> " " ^ pp_idents idents)
124 | LApply (_, level_opt, terms, term, ident_opt) ->
125 sprintf "lapply %s%s%s%s"
126 (match level_opt with None -> "" | Some i -> " depth = " ^ string_of_int i ^ " ")
128 (match terms with [] -> "" | _ -> " to " ^ pp_terms_ast terms)
129 (match ident_opt with None -> "" | Some ident -> " using " ^ ident)
131 | LetIn (_, term, ident) -> sprintf "let %s in %s" (pp_term_ast term) ident
132 | Reduce (_, kind, pat) ->
133 sprintf "%s %s" (pp_reduction_kind kind) (pp_pattern pat)
134 | Reflexivity _ -> "reflexivity"
135 | Replace (_, pattern, t) ->
136 sprintf "replace %s with %s" (pp_pattern pattern) (pp_term_ast t)
137 | Rewrite (_, pos, t, pattern) ->
138 sprintf "rewrite %s %s %s"
139 (if pos = `LeftToRight then ">" else "<")
145 | Symmetry _ -> "symmetry"
146 | Transitivity (_, term) -> "transitivity " ^ pp_term_ast term
148 let pp_search_kind = function
149 | `Locate -> "locate"
153 | `Instance -> "instance"
155 let pp_macro pp_term = function
157 | WInstance (_, term) -> "whelp instance " ^ pp_term term
158 | WHint (_, t) -> "whelp hint " ^ pp_term t
159 | WLocate (_, s) -> "whelp locate " ^ s
160 | WElim (_, t) -> "whelp elim " ^ pp_term t
161 | WMatch (_, term) -> "whelp match " ^ pp_term term
163 (* | Abort _ -> "Abort" *)
164 | Check (_, term) -> sprintf "Check %s" (pp_term term)
166 (* | Redo (_, None) -> "Redo"
167 | Redo (_, Some n) -> sprintf "Redo %d" n *)
168 | Search_pat (_, kind, pat) ->
169 sprintf "search %s \"%s\"" (pp_search_kind kind) pat
170 | Search_term (_, kind, term) ->
171 sprintf "search %s %s" (pp_search_kind kind) (pp_term term)
172 (* | Undo (_, None) -> "Undo"
173 | Undo (_, Some n) -> sprintf "Undo %d" n *)
174 | Print (_, name) -> sprintf "Print \"%s\"" name
177 let pp_macro_ast = pp_macro pp_term_ast
178 let pp_macro_cic = pp_macro pp_term_cic
180 let pp_alias = function
181 | Ident_alias (id, uri) -> sprintf "alias id \"%s\" = \"%s\"" id uri
182 | Symbol_alias (symb, instance, desc) ->
183 sprintf "alias symbol \"%s\" (instance %d) = \"%s\""
185 | Number_alias (instance,desc) ->
186 sprintf "alias num (instance %d) = \"%s\"" instance desc
188 let pp_argument_pattern = function
189 | Ast.IdentArg (eta_depth, name) ->
190 let eta_buf = Buffer.create 5 in
191 for i = 1 to eta_depth do
192 Buffer.add_string eta_buf "\\eta."
194 sprintf "%s%s" (Buffer.contents eta_buf) name
196 let pp_l1_pattern = CicNotationPp.pp_term
197 let pp_l2_pattern = CicNotationPp.pp_term
199 let pp_associativity = function
200 | Gramext.LeftA -> "left associative"
201 | Gramext.RightA -> "right associative"
202 | Gramext.NonA -> "non associative"
204 let pp_precedence i = sprintf "with precedence %d" i
206 let pp_dir_opt = function
208 | Some `LeftToRight -> "> "
209 | Some `RightToLeft -> "< "
213 | Dependency buri -> sprintf "dependency %s" buri
214 | Baseuri buri -> sprintf "baseuri %s" buri
216 let pp_command = function
217 | Include (_,path) -> "include " ^ path
220 | Set (_, name, value) -> sprintf "set \"%s\" \"%s\"" name value
221 | Coercion (_,term, _do_composites) ->
222 sprintf "coercion %s" (pp_term_ast term)
223 | Alias (_,s) -> pp_alias s
224 | Obj (_,obj) -> CicNotationPp.pp_obj obj
225 | Default (_,what,uris) ->
226 sprintf "default \"%s\" %s" what
227 (String.concat " " (List.map UriManager.string_of_uri uris))
228 | Interpretation (_, dsc, (symbol, arg_patterns), cic_appl_pattern) ->
229 sprintf "interpretation \"%s\" '%s %s = %s"
231 (String.concat " " (List.map pp_argument_pattern arg_patterns))
232 (CicNotationPp.pp_cic_appl_pattern cic_appl_pattern)
233 | Notation (_, dir_opt, l1_pattern, assoc, prec, l2_pattern) ->
234 sprintf "notation %s\"%s\" %s %s for %s"
236 (pp_l1_pattern l1_pattern)
237 (pp_associativity assoc)
239 (pp_l2_pattern l2_pattern)
240 | Metadata (_, m) -> sprintf "metadata %s" (pp_metadata m)
242 | Dump _ -> assert false (* ZACK: debugging *)
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 ~sep:"; " tacs
249 | Then (_, tac, tacs) ->
250 sprintf "%s; [%s]" (pp_tactical tac) (pp_tacticals ~sep:" | " tacs)
251 | First (_, tacs) -> sprintf "tries [%s]" (pp_tacticals ~sep:" | " tacs)
252 | Try (_, tac) -> "try " ^ pp_tactical tac
253 | Solve (_, tac) -> sprintf "solve [%s]" (pp_tacticals ~sep:" | " tac)
259 | Pos (_, i) -> sprintf "%d:" i
261 | Focus (_, goals) ->
262 sprintf "focus %s" (String.concat " " (List.map string_of_int goals))
263 | Unfocus _ -> "unfocus"
266 and pp_tacticals ~sep tacs = String.concat sep (List.map pp_tactical tacs)
268 let pp_tactical tac = pp_tactical tac
269 let pp_tactic tac = pp_tactic tac
270 let pp_command tac = pp_command tac
272 let pp_executable = function
273 | Macro (_,x) -> pp_macro_ast x
274 | Tactical (_, tac, Some punct) -> pp_tactical tac ^ pp_tactical punct
275 | Tactical (_, tac, None) -> pp_tactical tac
276 | Command (_,x) -> pp_command x
278 let pp_comment = function
279 | Note (_,str) -> sprintf "(* %s *)" str
280 | Code (_,code) -> sprintf "(** %s. **)" (pp_executable code)
282 let pp_statement = function
283 | Executable (_, ex) -> pp_executable ex
284 | Comment (_, c) -> pp_comment c
286 let pp_cic_command = function
287 | Include (_,path) -> "include " ^ path
290 | Coercion (_,term,_add_composites) ->
291 sprintf "coercion %s" (CicPp.ppterm term)
300 | Obj _ -> assert false (* not implemented *)
302 let pp_dependency = function
303 | IncludeDep str -> "include \"" ^ str ^ "\""
304 | BaseuriDep str -> "set \"baseuri\" \"" ^ str ^ "\""
305 | UriDep uri -> "uri \"" ^ UriManager.string_of_uri uri ^ "\""