+++ /dev/null
-(* Copyright (C) 2000, 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://cs.unibo.it/helm/.
- *)
-
-(**************************************************************************)
-(* *)
-(* PROJECT HELM *)
-(* *)
-(* Andrea Asperti <asperti@cs.unibo.it> *)
-(* 28/6/2003 *)
-(* *)
-(**************************************************************************)
-
-module P = Mpresentation;;
-
-let symbol_table = Hashtbl.create 503;;
-let symbol_table_charcount = Hashtbl.create 503;;
-
-let maxsize = 25;;
-
-let countterm current_size t =
- let module CE = Content_expressions in
- let rec aux current_size t =
- if current_size > maxsize then current_size
- else match t with
- CE.Symbol (_,name,None,_) -> current_size + (String.length name)
- | CE.Symbol (_,name,Some subst,_) ->
- let c1 = current_size + (String.length name) in
- countsubst subst c1
- | CE.LocalVar (_,name) -> current_size + (String.length name)
- | CE.Meta (_,name) -> current_size + (String.length name)
- | CE.Num (_,value) -> current_size + (String.length value)
- | CE.Appl (_,l) ->
- List.fold_left aux current_size l
- | CE.Binder (_, _,(n,s),body) ->
- let cs = aux (current_size + 2 + (String.length n)) s in
- aux cs body
- | CE.Letin (_,(n,s),body) ->
- let cs = aux (current_size + 3 + (String.length n)) s in
- aux cs body
- | CE.Letrec (_,defs,body) ->
- let cs =
- List.fold_left
- (fun c (n,bo) -> aux (c+(String.length n)) bo) current_size defs in
- aux cs body
- | CE.Case (_,a,np) ->
- let cs = aux (current_size + 4) a in
- List.fold_left
- (fun c (n,bo) -> aux (c+(String.length n)) bo) current_size np
- and
- countsubst subst current_size =
- List.fold_left
- (fun current_size (uri,expr) ->
- if (current_size > maxsize) then current_size
- else
- let c1 =
- (current_size + (String.length (UriManager.name_of_uri uri))) in
- (aux c1 expr)) current_size subst
- in
- (aux current_size t)
-;;
-
-let is_big t =
- ((countterm 0 t) > maxsize)
-;;
-
-let rec make_attributes l1 =
- function
- [] -> []
- | None::tl -> make_attributes (List.tl l1) tl
- | (Some s)::tl ->
- let p,n = List.hd l1 in
- (p,n,s)::(make_attributes (List.tl l1) tl)
-;;
-
-let rec cexpr2pres ?(priority = 0) ?(assoc = false) ?(tail = []) t =
- let module CE = Content_expressions in
- let module P = Mpresentation in
- let rec aux =
- function
- CE.Symbol (xref,name,None,uri) ->
- let attr =
- make_attributes
- [Some "helm","xref";Some "xlink","href"] [xref;uri] in
- if tail = [] then
- P.Mi (attr,name)
- else P.Mrow([],P.Mi (attr,name)::tail)
- | CE.Symbol (xref,name,Some subst,uri) ->
- let attr =
- make_attributes
- [Some "helm","xref";Some "xlink","href"] [xref;uri] in
- let rec make_subst =
- (function
- [] -> assert false
- | [(uri,a)] ->
- [(aux a);
- P.Mtext([],"/");
- P.Mi([],UriManager.name_of_uri uri)]
- | (uri,a)::tl ->
- (aux a)::
- P.Mtext([],"/")::
- P.Mi([],UriManager.name_of_uri uri)::
- P.Mtext([],"; ")::
- P.smallskip::
- (make_subst tl)) in
- P.Mrow ([],
- P.Mi (attr,name)::
- P.Mtext([],"[")::
- (make_subst subst)@
- (P.Mtext([],"]")::tail))
- | CE.LocalVar (xref,name) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- if tail = [] then
- P.Mi (attr,name)
- else P.Mrow([],P.Mi (attr,name)::tail)
- | CE.Meta (xref,name) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- if tail = [] then
- P.Mi (attr,name)
- else P.Mrow([],P.Mi (attr,name)::tail)
- | CE.Num (xref,value) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- if tail = [] then
- P.Mn (attr,value)
- else P.Mrow([],P.Mn (attr,value)::tail)
- | CE.Appl (axref,CE.Symbol(sxref,n,subst,uri)::tl) ->
- let aattr = make_attributes [Some "helm","xref"] [axref] in
- let sattr = make_attributes [Some "helm","xref";Some "xlink","href"] [sxref;uri] in
- (try
- (let f = Hashtbl.find symbol_table n in
- f tl ~priority ~assoc ~tail aattr sattr)
- with notfound ->
- P.Mrow(aattr,
- P.Mo([],"(")::P.Mi(sattr,n)::(make_args tl)@(P.Mo([],")")::tail)))
- | CE.Appl (xref,l) as t ->
- let attr = make_attributes [Some"helm","xref"] [xref] in
- P.Mrow(attr,
- P.Mo([],"(")::(make_args l)@(P.Mo([],")")::tail))
- | CE.Binder (xref, kind,(n,s),body) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- let binder =
- if kind = "Lambda" then
- Netconversion.ustring_of_uchar `Enc_utf8 0x03bb
- else if kind = "Prod" then
- Netconversion.ustring_of_uchar `Enc_utf8 0x03a0
- else if kind = "Forall" then
- Netconversion.ustring_of_uchar `Enc_utf8 0x2200
- else if kind = "Exists" then
- Netconversion.ustring_of_uchar `Enc_utf8 0x2203
- else "unknown" in
- P.Mrow (attr,
- P.Mtext([None,"mathcolor","Blue"],binder)::
- P.Mtext([],n ^ ":")::
- (aux s)::
- P.Mo([],".")::
- (aux body)::tail)
- | CE.Letin (xref,(n,s),body) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- P.Mrow (attr,
- P.Mtext([],("let "))::
- P.Mtext([],(n ^ "="))::
- (aux s)::
- P.Mtext([]," in ")::
- (aux body)::tail)
- | CE.Letrec (xref,defs,body) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- let rec make_defs =
- (function
- [] -> assert false
- | [(n,bo)] ->
- [P.Mtext([],(n ^ "="));(aux body)]
- | (n,bo)::tl ->
- P.Mtext([],(n ^ "="))::
- (aux body)::P.Mtext([]," and")::(make_defs tl)) in
- P.Mrow (attr,
- P.Mtext([],("let rec "))::
- (make_defs defs)@
- (P.Mtext([]," in ")::
- (aux body)::tail))
- | CE.Case (xref,a,np) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- let rec make_patterns =
- (function
- [] -> []
- | [(n,p)] ->
- [P.Mtext([],(n ^ " -> "));(aux p)]
- | (n,p)::tl ->
- P.Mtext([],(n ^ " -> "))::
- (aux p)::P.Mtext([]," | ")::(make_patterns tl)) in
- P.Mrow (attr,
- P.Mtext([],("case "))::
- (aux a)::
- P.Mtext([],(" of "))::
- (make_patterns np)@tail) in
- aux t
-
-and
-
-make_args ?(priority = 0) ?(assoc = false) ?(tail = []) =
- let module P = Mpresentation in
- function
- [] -> tail
- | a::tl -> P.smallskip::(cexpr2pres a)::(make_args ~tail:tail tl)
-;;
-
-let rec make_args_charcount ?(priority = 0) ?(assoc = false) ?(tail = []) =
- let module P = Mpresentation in
- function
- [] -> []
- | [a] ->
- [P.Mtr([],[P.Mtd([],P.indented (cexpr2pres_charcount ~tail:tail a))])]
- | (a::tl) as l ->
- let c = List.fold_left countterm 0 l in
- if c > maxsize then
- P.Mtr([],[P.Mtd([],P.indented (cexpr2pres_charcount a))])::
- (make_args_charcount ~tail:tail tl)
- else [P.Mtr([],[P.Mtd([],P.Mrow([],(P.Mspace([None,"width","0.2cm"]))::(make_args ~tail:tail l)))])]
-
-(*
- function
- [] -> []
- | a::tl ->
- let tlpres =
- let c = List.fold_left countterm 0 tl in
- if c > maxsize then
- P.Mtable ([("align","baseline 1");("equalrows","false");
- ("columnalign","left")],
- (make_args_charcount tl))
- else
- P.Mrow([], make_args tl) in
- [P.Mtr([],[P.Mtd([],(cexpr2pres_charcount a))]);
- P.Mtr([],[P.Mtd([],P.indented tlpres)])] *)
-and
-
-cexpr2pres_charcount ?(priority = 0) ?(assoc = false) ?(tail = []) t =
- let module CE = Content_expressions in
- let module P = Mpresentation in
- let rec aux =
- function
- CE.Symbol (xref,name,None,uri) ->
- let attr =
- make_attributes
- [Some "helm","xref";Some "xlink","href"] [xref;uri] in
- if tail = [] then
- P.Mi (attr,name)
- else P.Mrow ([],P.Mi (attr,name)::tail)
- | CE.Symbol (xref,name,Some subst,uri) ->
- let attr =
- make_attributes
- [Some "helm","xref";Some "xlink","href"] [xref;uri] in
- let rec make_subst =
- (function
- [] -> assert false
- | [(uri,a)] ->
- [(cexpr2pres a);
- P.Mtext([],"/");
- P.Mi([],UriManager.name_of_uri uri)]
- | (uri,a)::tl ->
- (cexpr2pres a)::
- P.Mtext([],"/")::
- P.Mi([],UriManager.name_of_uri uri)::
- P.Mtext([],"; ")::
- P.smallskip::
- (make_subst tl)) in
- P.Mrow ([],
- P.Mi (attr,name)::
- P.Mtext([],"[")::
- (make_subst subst)@
- (P.Mtext([],"]")::tail))
- | CE.LocalVar (xref,name) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- if tail = [] then
- P.Mi (attr,name)
- else P.Mrow ([],P.Mi (attr,name)::tail)
- | CE.Meta (xref,name) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- if tail = [] then
- P.Mi (attr,name)
- else P.Mrow ([],P.Mi (attr,name)::tail)
- | CE.Num (xref,value) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- if tail = [] then
- P.Mn (attr,value)
- else P.Mrow ([],P.Mn (attr,value)::tail)
- | CE.Appl (axref,CE.Symbol(sxref,n,subst,uri)::tl) ->
- let aattr = make_attributes [Some "helm","xref"] [axref] in
- let sattr = make_attributes [Some "helm","xref";Some "xlink","href"] [sxref;uri] in
- if (is_big t) then
- (try
- (let f = Hashtbl.find symbol_table_charcount n in
- f tl ~priority ~assoc ~tail aattr sattr)
- with notfound ->
- P.Mtable (aattr@P.standard_tbl_attr,
- P.Mtr([],[P.Mtd([],P.Mrow([],
- [P.Mtext([],"(");
- cexpr2pres (CE.Symbol(sxref,n,subst,uri))]))])::
- make_args_charcount ~tail:(P.Mtext([],")")::tail) tl))
- else cexpr2pres t
- | CE.Appl (xref,l) as t ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- if (is_big t) then
- P.Mtable (attr@P.standard_tbl_attr,
- P.Mtr([],[P.Mtd([],P.Mrow([],
- [P.Mtext([],"(");
- cexpr2pres_charcount (List.hd l)]))])::
- make_args_charcount ~tail:(P.Mtext([],")")::tail) (List.tl l))
- else cexpr2pres t
- | CE.Binder (xref, kind,(n,s),body) as t ->
- if (is_big t) then
- let attr = make_attributes [Some "helm","xref"] [xref] in
- let binder =
- if kind = "Lambda" then
- Netconversion.ustring_of_uchar `Enc_utf8 0x03bb
- else if kind = "Prod" then
- Netconversion.ustring_of_uchar `Enc_utf8 0x03a0
- else if kind = "Forall" then
- Netconversion.ustring_of_uchar `Enc_utf8 0x2200
- else if kind = "Exists" then
- Netconversion.ustring_of_uchar `Enc_utf8 0x2203
- else "unknown" in
- P.Mtable (attr@P.standard_tbl_attr,
- [P.Mtr ([],[P.Mtd ([],
- P.Mrow([],
- [P.Mtext([None,"mathcolor","Blue"],binder);
- P.Mtext([],n ^ ":");
- cexpr2pres_charcount s ~tail:[P.Mtext([],".")]]))]);
- P.Mtr ([],[P.Mtd ([],
- P.indented (cexpr2pres_charcount body ~tail:tail))])])
- else (cexpr2pres t ~tail:tail)
- | CE.Letin (xref,(n,s),body) as t ->
- if (is_big t) then
- let attr = make_attributes [Some "helm","xref"] [xref] in
- P.Mtable (attr@P.standard_tbl_attr,
- [P.Mtr ([],[P.Mtd ([],
- P.Mrow([],
- [P.Mtext([None,"mathcolor","Blue"],"let");
- P.smallskip;
- P.Mtext([],n ^ "=");
- cexpr2pres_charcount s;
- P.smallskip;
- P.Mtext([],"in");
- ]))]);
- P.Mtr ([],[P.Mtd ([],
- P.indented (cexpr2pres_charcount body))])])
- else (cexpr2pres t)
- | CE.Letrec (xref,defs,body) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- let rec make_defs =
- (function
- [] -> assert false
- | [(n,bo)] ->
- [P.Mtext([],(n ^ "="));(aux body)]
- | (n,bo)::tl ->
- P.Mtext([],(n ^ "="))::
- (aux body)::P.Mtext([]," and")::(make_defs tl)) in
- P.Mrow (attr,
- P.Mtext([],("let rec "))::
- (make_defs defs)@
- [P.Mtext([]," in ");
- (aux body)])
- | CE.Case (xref,a,np) ->
- let attr = make_attributes [Some "helm","xref"] [xref] in
- let rec make_patterns =
- (function
- [] -> []
- | [(n,p)] ->
- [P.Mtext([],(n ^ " -> "));(aux p)]
- | (n,p)::tl ->
- P.Mtext([],(n ^ " -> "))::
- (aux p)::P.Mtext([]," | ")::(make_patterns tl)) in
- P.Mrow (attr,
- P.Mtext([],("case "))::
- (aux a)::
- P.Mtext([],(" of "))::
- (make_patterns np)) in
- aux t
-;;
projects / helm.git / blobdiff