X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=helm%2Focaml%2Fgrafite%2FgrafiteAstPp.ml;fp=helm%2Focaml%2Fgrafite%2FgrafiteAstPp.ml;h=6abfa4dd651b3ba0333d53ed99051866427a95fc;hp=0000000000000000000000000000000000000000;hb=792b5d29ebae8f917043d9dd226692919b5d6ca1;hpb=a14a8c7637fd0b95e9d4deccb20c6abc98e8f953 diff --git a/helm/ocaml/grafite/grafiteAstPp.ml b/helm/ocaml/grafite/grafiteAstPp.ml new file mode 100644 index 000000000..6abfa4dd6 --- /dev/null +++ b/helm/ocaml/grafite/grafiteAstPp.ml @@ -0,0 +1,253 @@ +(* 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