+++ /dev/null
-(*
- ||M|| This file is part of HELM, an Hypertextual, Electronic
- ||A|| Library of Mathematics, developed at the Computer Science
- ||T|| Department, University of Bologna, Italy.
- ||I||
- ||T|| HELM is free software; you can redistribute it and/or
- ||A|| modify it under the terms of the GNU General Public License
- \ / version 2 or (at your option) any later version.
- \ / This software is distributed as is, NO WARRANTY.
- V_______________________________________________________________ *)
-
-module F = Filename
-module P = Printf
-module U = NUri
-module C = Cps
-module L = Log
-module Y = Time
-module G = Options
-module H = Hierarchy
-module O = Output
-module E = Entity
-module S = Status
-module DO = CrgOutput
-module TD = TxtCrg
-module AA = AutProcess
-module AO = AutOutput
-module AD = AutCrg
-module XL = XmlLibrary
-module XD = XmlCrg
-module BD = BrgCrg
-module BO = BrgOutput
-module BR = BrgReduction
-module BU = BrgUntrusted
-module ZD = BagCrg
-module ZO = BagOutput
-module ZT = BagType
-module ZU = BagUntrusted
-
-type status = {
- kst: S.status;
- tst: TD.status;
- pst: AA.status;
- ast: AD.status;
- ac : AO.counters;
- dc : DO.counters;
- bc : BO.counters;
- zc : ZO.counters;
-}
-
-let flush_all () = L.flush 0; L.flush_err ()
-
-let bag_error s msg =
- L.error ZO.specs (L.Warn s :: L.Loc :: msg); flush_all ()
-
-let brg_error s msg =
- L.error BR.specs (L.Warn s :: L.Loc :: msg); flush_all ()
-
-let initial_status () = {
- kst = S.initial_status ();
- tst = TD.initial_status ();
- pst = AA.initial_status ();
- ast = AD.initial_status ();
- ac = AO.initial_counters;
- dc = DO.initial_counters;
- bc = BO.initial_counters;
- zc = ZO.initial_counters;
-}
-
-let refresh_status st = {st with
- kst = S.refresh_status st.kst;
- tst = TD.refresh_status st.tst;
- ast = AD.refresh_status st.ast;
-}
-
-(* kernel related ***********************************************************)
-
-type kernel_entity = BrgEntity of Brg.entity
- | BagEntity of Bag.entity
- | CrgEntity of Crg.entity
-
-let print_counters st = function
- | G.Crg -> DO.print_counters C.start st.dc
- | G.Brg -> BO.print_counters C.start st.bc
- | G.Bag -> ZO.print_counters C.start st.zc
-
-let xlate_entity entity = match !G.kernel, entity with
- | G.Brg, CrgEntity e ->
- let f e = (BrgEntity e) in E.xlate f BD.brg_of_crg e
- | G.Bag, CrgEntity e ->
- let f e = (BagEntity e) in E.xlate f ZD.bag_of_crg e
- | _, entity -> entity
-
-let pp_progress e =
- let f a u =
- let s = U.string_of_uri u in
- let err () = L.warn (P.sprintf "%s" s) in
- let f i = L.warn (P.sprintf "[%u] %s" i s) in
- E.mark err f a
- in
- match e with
- | CrgEntity e -> E.common f e
- | BrgEntity e -> E.common f e
- | BagEntity e -> E.common f e
-
-let count_entity st = function
- | BrgEntity e -> {st with bc = BO.count_entity C.start st.bc e}
- | BagEntity e -> {st with zc = ZO.count_entity C.start st.zc e}
- | CrgEntity e -> {st with dc = DO.count_entity C.start st.dc e}
-
-let export_entity = function
- | CrgEntity e -> XL.export_entity XD.export_term e
- | BrgEntity e -> XL.export_entity BO.export_term e
- | BagEntity e -> XL.export_entity ZO.export_term e
-
-let type_check st k =
- let brg_err msg = brg_error "Type Error" msg; failwith "Interrupted" in
- let ok _ _ = st in
- match k with
- | BrgEntity entity -> BU.type_check brg_err ok st.kst entity
- | BagEntity entity -> ZU.type_check ok st.kst entity
- | CrgEntity _ -> st
-
-(* extended lexer ***********************************************************)
-
-type 'token lexer = {
- parse : Lexing.lexbuf -> 'token;
- mutable tokbuf: 'token option;
- mutable unget : bool
-}
-
-let initial_lexer parse = {
- parse = parse; tokbuf = None; unget = false
-}
-
-let token xl lexbuf = match xl.tokbuf with
- | Some token when xl.unget ->
- xl.unget <- false; token
- | _ ->
- let token = xl.parse lexbuf in
- xl.tokbuf <- Some token; token
-
-(* input related ************************************************************)
-
-type input = Text | Automath
-
-type input_entity = TxtEntity of Txt.command
- | AutEntity of Aut.command
- | NoEntity
-
-let type_of_input name =
- if F.check_suffix name ".hln" then Text
- else if F.check_suffix name ".aut" then
- let _ = H.set_sorts 0 ["Set"; "Prop"] in
- assert (H.set_graph "Z2");
- Automath
- else begin
- L.warn (P.sprintf "Unknown file type: %s" name); exit 2
- end
-
-let txt_xl = initial_lexer TxtLexer.token
-
-let aut_xl = initial_lexer AutLexer.token
-
-let parbuf = ref [] (* parser buffer *)
-
-let gen_text command =
- parbuf := TxtEntity command :: !parbuf
-
-let entity_of_input lexbuf i = match i, !parbuf with
- | Automath, _ ->
- begin match AutParser.entry (token aut_xl) lexbuf with
- | Some e -> aut_xl.unget <- true; AutEntity e
- | None -> NoEntity
- end
- | Text, [] ->
- begin match TxtParser.entry (token txt_xl) lexbuf with
- | Some e -> txt_xl.unget <- true; TxtEntity e
- | None -> NoEntity
- end
- | Text, hd :: tl ->
- parbuf := tl; hd
-
-let process_input f st = function
- | AutEntity e ->
- let f pst e = f {st with pst = pst} (AutEntity e) in
- AA.process_command f st.pst e
- | xe -> f st xe
-
-let count_input st = function
- | AutEntity e -> {st with ac = AO.count_command C.start st.ac e}
- | xe -> st
-
-(****************************************************************************)
-
-let stage = ref 3
-let progress = ref false
-let preprocess = ref false
-let root = ref ""
-let export = ref false
-let st = ref (initial_status ())
-let streaming = ref false (* parsing style (temporary) *)
-
-let process_2 st entity =
- let st = if !L.level > 2 then count_entity st entity else st in
- if !export then export_entity entity;
- if !stage > 2 then type_check st entity else st
-
-let process_1 st entity =
- if !progress then pp_progress entity;
- let st = if !L.level > 2 then count_entity st entity else st in
- if !export && !stage = 1 then export_entity entity;
- if !stage > 1 then process_2 st (xlate_entity entity) else st
-
-let process_0 st entity =
- let f st entity =
- if !stage = 0 then st else
- match entity with
- | AutEntity e ->
- let err ast = {st with ast = ast} in
- let g ast e = process_1 {st with ast = ast} (CrgEntity e) in
- AD.crg_of_aut err g st.ast e
- | TxtEntity e ->
- let crr tst = {st with tst = tst} in
- let d tst e = process_1 {st with tst = tst} (CrgEntity e) in
- TD.crg_of_txt crr d gen_text st.tst e
- | NoEntity -> assert false
- in
- let st = if !L.level > 2 then count_input st entity else st in
- if !preprocess then process_input f st entity else f st entity
-
-let process_nostreaming st lexbuf input =
- let id x = x in
- let rec aux1 book = match entity_of_input lexbuf input with
- | NoEntity -> List.rev book
- | e -> aux1 (id e :: book)
- in
- let rec aux2 st = function
- | [] -> st
- | entity :: tl -> aux2 (process_0 st entity) tl
- in
- aux2 st (aux1 [])
-
-let process_streaming st lexbuf input =
- let rec aux st = match entity_of_input lexbuf input with
- | NoEntity -> st
- | e -> aux (process_0 st e)
- in
- aux st
-
-(****************************************************************************)
-
-let process st name =
- let process = if !streaming then process_streaming else process_nostreaming in
- let input = type_of_input name in
- let ich = open_in name in
- let lexbuf = Lexing.from_channel ich in
- let st = process st lexbuf input in
- close_in ich;
- if !stage > 2 && !G.cc && !G.si then XL.export_csys st.kst.S.cc;
- st, input
-
-let main =
-try
- let version_string = "Helena 0.8.2 M - January 2011" in
- let print_version () = L.warn (version_string ^ "\n"); exit 0 in
- let set_hierarchy s =
- if H.set_graph s then () else
- L.warn (P.sprintf "Unknown type hierarchy: %s" s)
- in
- let set_kernel = function
- | "brg" -> G.kernel := G.Brg
- | "bag" -> G.kernel := G.Bag
- | s -> L.warn (P.sprintf "Unknown kernel version: %s" s)
- in
- let set_summary i = L.level := i in
- let set_stage i = stage := i in
- let set_xdir s = G.xdir := s in
- let set_root s = root := s in
- let clear_options () =
- progress := false; export := false; preprocess := false;
- stage := 3; root := "";
- st := initial_status ();
- L.clear (); G.clear (); H.clear (); O.clear_reductions ();
- streaming := false;
- in
- let process_file name =
- if !L.level > 0 then Y.gmtime version_string;
- if !L.level > 1 then
- L.warn (P.sprintf "Processing file: %s" name);
- if !L.level > 0 then Y.utime_stamp "started";
- let base_name = Filename.chop_extension (Filename.basename name) in
- let cover = F.concat !root base_name in
- if !stage < 2 then G.kernel := G.Crg;
- G.cover := cover;
- let sst, input = process (refresh_status !st) name in
- st := sst;
- if !L.level > 0 then Y.utime_stamp "processed";
- if !L.level > 2 then begin
- AO.print_counters C.start !st.ac;
- if !preprocess then AO.print_process_counters C.start !st.pst;
- if !stage > 0 then print_counters !st G.Crg;
- if !stage > 1 then print_counters !st !G.kernel;
- if !stage > 2 then O.print_reductions ()
- end
- in
- let exit () =
- if !L.level > 0 then Y.utime_stamp "at exit";
- flush_all ()
- in
- let help =
- "Usage: helena [ -LPVXcgijopqx1 | -Ss <number> | -O <dir> | -hkr <string> ]* [ <file> ]*\n\n" ^
- "Summary levels: 0 just errors (default), 1 time stamps, 2 processed file names, \
- 3 data information, 4 typing information, 5 reduction information\n\n" ^
- "Stages: 0 parsing, 1 to intermediate, 2 to untrusted, 3 to trusted (default)\n"
- in
- let help_L = " show lexer debug information" in
- let help_O = "<dir> set location of output directory (XML) to <dir> (default: current directory)" in
- let help_P = " show parser debug information" in
- let help_S = "<number> set summary level (see above)" in
- let help_V = " show version information" in
- let help_X = " clear options" in
-
- let help_c = " read/write conversion constraints" in
- let help_g = " always expand global definitions" in
- let help_h = "<string> set type hierarchy (default: \"Z1\")" in
- let help_i = " show local references by index" in
- let help_j = " show URI of processed kernel objects" in
- let help_k = "<string> set kernel version (default: \"brg\")" in
- let help_o = " activate sort inclusion" in
- let help_p = " preprocess source" in
- let help_q = " disable quotation of identifiers" in
- let help_r = "<string> set initial segment of URI hierarchy (default: empty)" in
- let help_s = "<number> set translation stage (see above)" in
- let help_x = " export kernel entities (XML)" in
-
- let help_1 = " parse files with streaming policy" in
- L.box 0; L.box_err ();
- at_exit exit;
- Arg.parse [
- ("-L", Arg.Set G.debug_lexer, help_L);
- ("-O", Arg.String set_xdir, help_O);
- ("-P", Arg.Set G.debug_parser, help_P);
- ("-S", Arg.Int set_summary, help_S);
- ("-V", Arg.Unit print_version, help_V);
- ("-X", Arg.Unit clear_options, help_X);
- ("-c", Arg.Set G.cc, help_c);
- ("-g", Arg.Set G.expand, help_g);
- ("-h", Arg.String set_hierarchy, help_h);
- ("-i", Arg.Set G.indexes, help_i);
- ("-j", Arg.Set progress, help_j);
- ("-k", Arg.String set_kernel, help_k);
- ("-o", Arg.Set G.si, help_o);
- ("-p", Arg.Set preprocess, help_p);
- ("-q", Arg.Set G.unquote, help_q);
- ("-r", Arg.String set_root, help_r);
- ("-s", Arg.Int set_stage, help_s);
- ("-x", Arg.Set export, help_x);
- ("-1", Arg.Set streaming, help_1);
- ] process_file help;
-with ZT.TypeError msg -> bag_error "Type Error" msg