--- /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/
+ *)
+
+(* $Id$ *)
+
+open Printf
+
+open GrafiteAst
+
+let tactical_terminator = ""
+let tactic_terminator = tactical_terminator
+let command_terminator = tactical_terminator
+
+let pp_idents idents = "[" ^ String.concat "; " idents ^ "]"
+
+let pp_reduction_kind ~term_pp = function
+ | `Normalize -> "normalize"
+ | `Reduce -> "reduce"
+ | `Simpl -> "simplify"
+ | `Unfold (Some t) -> "unfold " ^ term_pp t
+ | `Unfold None -> "unfold"
+ | `Whd -> "whd"
+
+let pp_tactic_pattern ~term_pp ~lazy_term_pp (what, hyp, goal) =
+ let what_text =
+ match what with
+ | None -> ""
+ | Some t -> sprintf "in match (%s) " (lazy_term_pp t) in
+ let hyp_text =
+ String.concat " "
+ (List.map (fun (name, p) -> sprintf "%s:(%s)" name (term_pp p)) hyp) in
+ let goal_text =
+ match goal with
+ | None -> ""
+ | Some t -> sprintf "\\vdash (%s)" (term_pp t) in
+ sprintf "%sin %s%s" what_text hyp_text goal_text
+
+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 terms_pp ~term_pp terms = String.concat ", " (List.map term_pp terms)
+
+let rec pp_tactic ~term_pp ~lazy_term_pp =
+ let pp_reduction_kind = pp_reduction_kind ~term_pp in
+ let pp_tactic_pattern = pp_tactic_pattern ~lazy_term_pp ~term_pp in
+ function
+ | Absurd (_, term) -> "absurd" ^ term_pp term
+ | Apply (_, term) -> "apply " ^ term_pp term
+ | Auto _ -> "auto"
+ | Assumption _ -> "assumption"
+ | Change (_, where, with_what) ->
+ sprintf "change %s with %s" (pp_tactic_pattern where) (lazy_term_pp with_what)
+ | Clear (_,id) -> sprintf "clear %s" id
+ | ClearBody (_,id) -> sprintf "clearbody %s" id
+ | Compare (_,term) -> "compare " ^ term_pp term
+ | Constructor (_,n) -> "constructor " ^ string_of_int n
+ | Contradiction _ -> "contradiction"
+ | Cut (_, ident, term) ->
+ "cut " ^ term_pp term ^
+ (match ident with None -> "" | Some id -> " as " ^ id)
+ | DecideEquality _ -> "decide equality"
+ | Decompose (_, [], what, names) ->
+ sprintf "decompose %s%s" what (pp_intros_specs (None, names))
+ | Decompose (_, types, what, names) ->
+ let to_ident = function
+ | Ident id -> id
+ | Type _ -> assert false
+ in
+ let types = List.rev_map to_ident types in
+ sprintf "decompose %s %s%s" (pp_idents types) what (pp_intros_specs (None, names))
+ | Discriminate (_, term) -> "discriminate " ^ term_pp term
+ | Elim (_, term, using, num, idents) ->
+ sprintf "elim " ^ term_pp term ^
+ (match using with None -> "" | Some term -> " using " ^ term_pp term)
+ ^ pp_intros_specs (num, idents)
+ | ElimType (_, term, using, num, idents) ->
+ sprintf "elim type " ^ term_pp term ^
+ (match using with None -> "" | Some term -> " using " ^ term_pp term)
+ ^ pp_intros_specs (num, idents)
+ | Exact (_, term) -> "exact " ^ term_pp term
+ | Exists _ -> "exists"
+ | Fold (_, kind, term, pattern) ->
+ sprintf "fold %s %s %s" (pp_reduction_kind kind)
+ (lazy_term_pp term) (pp_tactic_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_tactic_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 " ^ term_pp term
+ | Intros (_, None, []) -> "intro"
+ | Inversion (_, term) -> "inversion " ^ term_pp term
+ | 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 ^ " ")
+ (term_pp term)
+ (match terms with [] -> "" | _ -> " to " ^ terms_pp ~term_pp terms)
+ (match ident_opt with None -> "" | Some ident -> " using " ^ ident)
+ | Left _ -> "left"
+ | LetIn (_, term, ident) -> sprintf "let %s in %s" (term_pp term) ident
+ | Reduce (_, kind, pat) ->
+ sprintf "%s %s" (pp_reduction_kind kind) (pp_tactic_pattern pat)
+ | Reflexivity _ -> "reflexivity"
+ | Replace (_, pattern, t) ->
+ sprintf "replace %s with %s" (pp_tactic_pattern pattern) (lazy_term_pp t)
+ | Rewrite (_, pos, t, pattern) ->
+ sprintf "rewrite %s %s %s"
+ (if pos = `LeftToRight then ">" else "<")
+ (term_pp t)
+ (pp_tactic_pattern pattern)
+ | Right _ -> "right"
+ | Ring _ -> "ring"
+ | Split _ -> "split"
+ | Symmetry _ -> "symmetry"
+ | Transitivity (_, term) -> "transitivity " ^ term_pp term
+
+let pp_search_kind = function
+ | `Locate -> "locate"
+ | `Hint -> "hint"
+ | `Match -> "match"
+ | `Elim -> "elim"
+ | `Instance -> "instance"
+
+let pp_macro ~term_pp = function
+ (* Whelp *)
+ | WInstance (_, term) -> "whelp instance " ^ term_pp term
+ | WHint (_, t) -> "whelp hint " ^ term_pp t
+ | WLocate (_, s) -> "whelp locate " ^ s
+ | WElim (_, t) -> "whelp elim " ^ term_pp t
+ | WMatch (_, term) -> "whelp match " ^ term_pp term
+ (* real macros *)
+ | Check (_, term) -> sprintf "Check %s" (term_pp term)
+ | Hint _ -> "hint"
+ | 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) (term_pp term)
+ | Print (_, name) -> sprintf "Print \"%s\"" name
+ | Quit _ -> "Quit"
+
+let pp_associativity = function
+ | Gramext.LeftA -> "left associative"
+ | Gramext.RightA -> "right associative"
+ | Gramext.NonA -> "non associative"
+
+let pp_precedence i = sprintf "with precedence %d" i
+
+let pp_dir_opt = function
+ | None -> ""
+ | Some `LeftToRight -> "> "
+ | Some `RightToLeft -> "< "
+
+let pp_default what uris =
+ sprintf "default \"%s\" %s" what
+ (String.concat " " (List.map UriManager.string_of_uri uris))
+
+let pp_coercion uri do_composites =
+ sprintf "coercion %s (* %s *)" (UriManager.string_of_uri uri)
+ (if do_composites then "compounds" else "no compounds")
+
+let pp_command ~obj_pp = function
+ | Include (_,path) -> "include " ^ path
+ | Qed _ -> "qed"
+ | Drop _ -> "drop"
+ | Set (_, name, value) -> sprintf "set \"%s\" \"%s\"" name value
+ | Coercion (_, uri, do_composites) -> pp_coercion uri do_composites
+ | Obj (_,obj) -> obj_pp obj
+ | Default (_,what,uris) ->
+ pp_default what uris
+
+let rec pp_tactical ~term_pp ~lazy_term_pp =
+ let pp_tactic = pp_tactic ~lazy_term_pp ~term_pp in
+ let pp_tacticals = pp_tacticals ~lazy_term_pp ~term_pp in
+ function
+ | Tactic (_, tac) -> pp_tactic tac
+ | Do (_, count, tac) ->
+ sprintf "do %d %s" count (pp_tactical ~term_pp ~lazy_term_pp tac)
+ | Repeat (_, tac) -> "repeat " ^ pp_tactical ~term_pp ~lazy_term_pp tac
+ | Seq (_, tacs) -> pp_tacticals ~sep:"; " tacs
+ | Then (_, tac, tacs) ->
+ sprintf "%s; [%s]" (pp_tactical ~term_pp ~lazy_term_pp tac)
+ (pp_tacticals ~sep:" | " tacs)
+ | First (_, tacs) -> sprintf "tries [%s]" (pp_tacticals ~sep:" | " tacs)
+ | Try (_, tac) -> "try " ^ pp_tactical ~term_pp ~lazy_term_pp tac
+ | Solve (_, tac) -> sprintf "solve [%s]" (pp_tacticals ~sep:" | " tac)
+
+ | Dot _ -> "."
+ | Semicolon _ -> ";"
+ | Branch _ -> "["
+ | Shift _ -> "|"
+ | Pos (_, i) -> sprintf "%d:" i
+ | Merge _ -> "]"
+ | Focus (_, goals) ->
+ sprintf "focus %s" (String.concat " " (List.map string_of_int goals))
+ | Unfocus _ -> "unfocus"
+ | Skip _ -> "skip"
+
+and pp_tacticals ~term_pp ~lazy_term_pp ~sep tacs =
+ String.concat sep (List.map (pp_tactical~lazy_term_pp ~term_pp) tacs)
+
+let pp_executable ~term_pp ~lazy_term_pp ~obj_pp =
+ function
+ | Macro (_, macro) -> pp_macro ~term_pp macro
+ | Tactical (_, tac, Some punct) ->
+ pp_tactical ~lazy_term_pp ~term_pp tac
+ ^ pp_tactical ~lazy_term_pp ~term_pp punct
+ | Tactical (_, tac, None) -> pp_tactical ~lazy_term_pp ~term_pp tac
+ | Command (_, cmd) -> pp_command ~obj_pp cmd
+
+let pp_comment ~term_pp ~lazy_term_pp ~obj_pp =
+ function
+ | Note (_,str) -> sprintf "(* %s *)" str
+ | Code (_,code) ->
+ sprintf "(** %s. **)" (pp_executable ~term_pp ~lazy_term_pp ~obj_pp code)
+
+let pp_statement ~term_pp ~lazy_term_pp ~obj_pp =
+ function
+ | Executable (_, ex) -> pp_executable ~lazy_term_pp ~term_pp ~obj_pp ex
+ | Comment (_, c) -> pp_comment ~term_pp ~lazy_term_pp ~obj_pp c
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