--- /dev/null
+(* Copyright (C) 2004, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+open Printf
+
+open GrafiteAst
+
+let tactical_terminator = "."
+let tactic_terminator = tactical_terminator
+let command_terminator = tactical_terminator
+
+let pp_term_ast term = CicNotationPp.pp_term term
+let pp_term_cic term = CicPp.ppterm term
+
+let pp_idents idents = "[" ^ String.concat "; " idents ^ "]"
+
+let pp_terms_ast terms = String.concat ", " (List.map pp_term_ast terms)
+
+let pp_reduction_kind = function
+ | `Reduce -> "reduce"
+ | `Simpl -> "simplify"
+ | `Whd -> "whd"
+ | `Normalize -> "normalize"
+
+
+let pp_pattern (t, hyp, goal) =
+ let pp_hyp_pattern l =
+ String.concat "; "
+ (List.map (fun (name, p) -> sprintf "%s : %s" name (pp_term_ast p)) l) in
+ let pp_t t =
+ match t with
+ None -> ""
+ | Some t -> pp_term_ast t
+ in
+ pp_t t ^ " in " ^ pp_hyp_pattern hyp ^ " \\vdash " ^ pp_term_ast goal
+
+let pp_intros_specs = function
+ | None, [] -> ""
+ | Some num, [] -> Printf.sprintf " names %i" num
+ | None, idents -> Printf.sprintf " names %s" (pp_idents idents)
+ | Some num, idents -> Printf.sprintf " names %i %s" num (pp_idents idents)
+
+let rec pp_tactic = function
+ | Absurd (_, term) -> "absurd" ^ pp_term_ast term
+ | Apply (_, term) -> "apply " ^ pp_term_ast term
+ | Auto _ -> "auto"
+ | Assumption _ -> "assumption"
+ | Change (_, where, with_what) ->
+ sprintf "change %s with %s" (pp_pattern where) (pp_term_ast with_what)
+ | Clear (_,id) -> sprintf "clear %s" id
+ | ClearBody (_,id) -> sprintf "clearbody %s" id
+ | Compare (_,term) -> "compare " ^ pp_term_ast term
+ | Constructor (_,n) -> "constructor " ^ string_of_int n
+ | Contradiction _ -> "contradiction"
+ | Cut (_, ident, term) ->
+ "cut " ^ pp_term_ast term ^
+ (match ident with None -> "" | Some id -> " as " ^ id)
+ | DecideEquality _ -> "decide equality"
+ | Decompose (_, term) ->
+ sprintf "decompose %s" (pp_term_ast term)
+ | Discriminate (_, term) -> "discriminate " ^ pp_term_ast term
+ | Elim (_, term, using, num, idents) ->
+ sprintf "elim " ^ pp_term_ast term ^
+ (match using with None -> "" | Some term -> " using " ^ pp_term_ast term)
+ ^ pp_intros_specs (num, idents)
+ | ElimType (_, term, using, num, idents) ->
+ sprintf "elim type " ^ pp_term_ast term ^
+ (match using with None -> "" | Some term -> " using " ^ pp_term_ast term)
+ ^ pp_intros_specs (num, idents)
+ | Exact (_, term) -> "exact " ^ pp_term_ast term
+ | Exists _ -> "exists"
+ | Fold (_, kind, term, pattern) ->
+ sprintf "fold %s %s %s" (pp_reduction_kind kind)
+ (pp_term_ast term) (pp_pattern pattern)
+ | FwdSimpl (_, hyp, idents) ->
+ sprintf "fwd %s%s" hyp
+ (match idents with [] -> "" | idents -> " " ^ pp_idents idents)
+ | Generalize (_, pattern, ident) ->
+ sprintf "generalize %s%s" (pp_pattern pattern)
+ (match ident with None -> "" | Some id -> " as " ^ id)
+ | Goal (_, n) -> "goal " ^ string_of_int n
+ | Fail _ -> "fail"
+ | Fourier _ -> "fourier"
+ | IdTac _ -> "id"
+ | Injection (_, term) -> "injection " ^ pp_term_ast term
+ | Intros (_, None, []) -> "intro"
+ | Intros (_, num, idents) ->
+ sprintf "intros%s%s"
+ (match num with None -> "" | Some num -> " " ^ string_of_int num)
+ (match idents with [] -> "" | idents -> " " ^ pp_idents idents)
+ | LApply (_, level_opt, terms, term, ident_opt) ->
+ sprintf "lapply %s%s%s%s"
+ (match level_opt with None -> "" | Some i -> " depth = " ^ string_of_int i ^ " ")
+ (pp_term_ast term)
+ (match terms with [] -> "" | _ -> " to " ^ pp_terms_ast terms)
+ (match ident_opt with None -> "" | Some ident -> " using " ^ ident)
+ | Left _ -> "left"
+ | LetIn (_, term, ident) -> sprintf "let %s in %s" (pp_term_ast term) ident
+ | Reduce (_, kind, pat) ->
+ sprintf "%s %s" (pp_reduction_kind kind) (pp_pattern pat)
+ | Reflexivity _ -> "reflexivity"
+ | Replace (_, pattern, t) ->
+ sprintf "replace %s with %s" (pp_pattern pattern) (pp_term_ast t)
+ | Rewrite (_, pos, t, pattern) ->
+ sprintf "rewrite %s %s %s"
+ (if pos = `LeftToRight then ">" else "<")
+ (pp_term_ast t)
+ (pp_pattern pattern)
+ | Right _ -> "right"
+ | Ring _ -> "ring"
+ | Split _ -> "split"
+ | Symmetry _ -> "symmetry"
+ | Transitivity (_, term) -> "transitivity " ^ pp_term_ast term
+
+let pp_flavour = function
+ | `Definition -> "Definition"
+ | `Fact -> "Fact"
+ | `Goal -> "Goal"
+ | `Lemma -> "Lemma"
+ | `Remark -> "Remark"
+ | `Theorem -> "Theorem"
+ | `Variant -> "Variant"
+
+let pp_search_kind = function
+ | `Locate -> "locate"
+ | `Hint -> "hint"
+ | `Match -> "match"
+ | `Elim -> "elim"
+ | `Instance -> "instance"
+
+let pp_macro pp_term = function
+ (* Whelp *)
+ | WInstance (_, term) -> "whelp instance " ^ pp_term term
+ | WHint (_, t) -> "whelp hint " ^ pp_term t
+ | WLocate (_, s) -> "whelp locate " ^ s
+ | WElim (_, t) -> "whelp elim " ^ pp_term t
+ | WMatch (_, term) -> "whelp match " ^ pp_term term
+ (* real macros *)
+(* | Abort _ -> "Abort" *)
+ | Check (_, term) -> sprintf "Check %s" (pp_term term)
+ | Hint _ -> "hint"
+(* | Redo (_, None) -> "Redo"
+ | Redo (_, Some n) -> sprintf "Redo %d" n *)
+ | Search_pat (_, kind, pat) ->
+ sprintf "search %s \"%s\"" (pp_search_kind kind) pat
+ | Search_term (_, kind, term) ->
+ sprintf "search %s %s" (pp_search_kind kind) (pp_term term)
+(* | Undo (_, None) -> "Undo"
+ | Undo (_, Some n) -> sprintf "Undo %d" n *)
+ | Print (_, name) -> sprintf "Print \"%s\"" name
+ | Quit _ -> "Quit"
+
+let pp_macro_ast = pp_macro pp_term_ast
+let pp_macro_cic = pp_macro pp_term_cic
+
+let pp_alias = function
+ | Ident_alias (id, uri) -> sprintf "alias id \"%s\" = \"%s\"" id uri
+ | Symbol_alias (symb, instance, desc) ->
+ sprintf "alias symbol \"%s\" (instance %d) = \"%s\""
+ symb instance desc
+ | Number_alias (instance,desc) ->
+ sprintf "alias num (instance %d) = \"%s\"" instance desc
+
+let pp_params = function
+ | [] -> ""
+ | params ->
+ " " ^
+ String.concat " "
+ (List.map
+ (fun (name, typ) -> sprintf "(%s:%s)" name (pp_term_ast typ))
+ params)
+
+let pp_fields fields =
+ (if fields <> [] then "\n" else "") ^
+ String.concat ";\n"
+ (List.map (fun (name,ty) -> " " ^ name ^ ": " ^ pp_term_ast ty) fields)
+
+let pp_obj = function
+ | Inductive (params, types) ->
+ let pp_constructors constructors =
+ String.concat "\n"
+ (List.map (fun (name, typ) -> sprintf "| %s: %s" name (pp_term_ast typ))
+ constructors)
+ in
+ let pp_type (name, _, typ, constructors) =
+ sprintf "\nwith %s: %s \\def\n%s" name (pp_term_ast typ)
+ (pp_constructors constructors)
+ in
+ (match types with
+ | [] -> assert false
+ | (name, inductive, typ, constructors) :: tl ->
+ let fst_typ_pp =
+ sprintf "%sinductive %s%s: %s \\def\n%s"
+ (if inductive then "" else "co") name (pp_params params)
+ (pp_term_ast typ) (pp_constructors constructors)
+ in
+ fst_typ_pp ^ String.concat "" (List.map pp_type tl))
+ | Theorem (flavour, name, typ, body) ->
+ sprintf "%s %s: %s %s"
+ (pp_flavour flavour)
+ name
+ (pp_term_ast typ)
+ (match body with
+ | None -> ""
+ | Some body -> "\\def " ^ pp_term_ast body)
+ | Record (params,name,ty,fields) ->
+ "record " ^ name ^ " " ^ pp_params params ^ " \\def {" ^
+ pp_fields fields ^ "}"
+
+let pp_command = function
+ | Include (_,path) -> "include " ^ path
+ | Qed _ -> "qed"
+ | Drop _ -> "drop"
+ | Set (_, name, value) -> sprintf "set \"%s\" \"%s\"" name value
+ | Coercion (_,term) -> sprintf "coercion %s" (pp_term_ast term)
+ | Alias (_,s) -> pp_alias s
+ | Obj (_,obj) -> pp_obj obj
+ | Default (_,what,uris) ->
+ sprintf "default \"%s\" %s" what
+ (String.concat " " (List.map UriManager.string_of_uri uris))
+
+let rec pp_tactical = function
+ | Tactic (_, tac) -> pp_tactic tac
+ | Do (_, count, tac) -> sprintf "do %d %s" count (pp_tactical tac)
+ | Repeat (_, tac) -> "repeat " ^ pp_tactical tac
+ | Seq (_, tacs) -> pp_tacticals ~sep:"; " tacs
+ | Then (_, tac, tacs) ->
+ sprintf "%s; [%s]" (pp_tactical tac) (pp_tacticals ~sep:" | " tacs)
+ | First (_, tacs) -> sprintf "tries [%s]" (pp_tacticals ~sep:" | " tacs)
+ | Try (_, tac) -> "try " ^ pp_tactical tac
+ | Solve (_, tac) -> sprintf "solve [%s]" (pp_tacticals ~sep:" | " tac)
+
+and pp_tacticals ~sep tacs =
+ String.concat sep (List.map pp_tactical tacs)
+
+let pp_tactical tac = pp_tactical tac ^ tactical_terminator
+let pp_tactic tac = pp_tactic tac ^ tactic_terminator
+let pp_command tac = pp_command tac ^ command_terminator
+
+let pp_executable = function
+ | Macro (_,x) -> pp_macro_ast x
+ | Tactical (_,x) -> pp_tactical x
+ | Command (_,x) -> pp_command x
+
+let pp_comment = function
+ | Note (_,str) -> sprintf "(* %s *)" str
+ | Code (_,code) -> sprintf "(** %s. **)" (pp_executable code)
+
+let pp_statement = function
+ | Executable (_, ex) -> pp_executable ex
+ | Comment (_, c) -> pp_comment c
+
+let pp_cic_command = function
+ | Include (_,path) -> "include " ^ path
+ | Qed _ -> "qed"
+ | Drop _ -> "drop"
+ | Coercion (_,term) -> sprintf "coercion %s" (CicPp.ppterm term)
+ | Set (_, _, _)
+ | Alias (_,_)
+ | Default (_,_,_)
+ | Obj (_,_) -> assert false (* not implemented *)
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