+++ /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/.
- */
-
-%{
- open Cic;;
- module U = UriManager;;
-
- exception InvalidSuffix of string;;
- exception InductiveTypeURIExpected;;
- exception UnknownIdentifier of string;;
-
- let uri_of_id_map = Hashtbl.create 53;;
-
- let get_index_in_list e =
- let rec aux i =
- function
- [] -> raise Not_found
- | (Some he)::_ when he = e -> i
- | _::tl -> aux (i+1) tl
- in
- aux 1
-;;
-
- let get_cookingno uri =
- UriManager.relative_depth !CicTextualParser0.current_uri uri 0
- ;;
-
- (* Returns the first meta whose number is above the *)
- (* number of the higher meta. *)
- (*CSC: cut&pasted from proofEngine.ml *)
- let new_meta () =
- let rec aux =
- function
- None,[] -> 1
- | Some n,[] -> n
- | None,(n,_,_)::tl -> aux (Some n,tl)
- | Some m,(n,_,_)::tl -> if n > m then aux (Some n,tl) else aux (Some m,tl)
- in
- 1 + aux (None,!CicTextualParser0.metasenv)
- ;;
-
- (* identity_relocation_list_for_metavariable i canonical_context *)
- (* returns the identity relocation list, which is the list [1 ; ... ; n] *)
- (* where n = List.length [canonical_context] *)
- (*CSC: ma mi basta la lunghezza del contesto canonico!!!*)
- (*CSC: cut&pasted from proofEngine.ml *)
- let identity_relocation_list_for_metavariable canonical_context =
- let canonical_context_length = List.length canonical_context in
- let rec aux =
- function
- (_,[]) -> []
- | (n,None::tl) -> None::(aux ((n+1),tl))
- | (n,_::tl) -> (Some (Cic.Rel n))::(aux ((n+1),tl))
- in
- aux (1,canonical_context)
- ;;
-
-%}
-%token <string> ID
-%token <int> META
-%token <int> NUM
-%token <UriManager.uri> CONURI
-%token <UriManager.uri * int> INDTYURI
-%token <UriManager.uri * int * int> INDCONURI
-%token ALIAS
-%token LPAREN RPAREN PROD LAMBDA COLON DOT SET PROP TYPE CAST IMPLICIT NONE
-%token LETIN FIX COFIX SEMICOLON LCURLY RCURLY CASE ARROW LBRACKET RBRACKET EOF
-%right ARROW
-%start main
-%type <Cic.term option> main
-%%
-main:
- expr { Some $1 }
- | alias { None }
- | EOF { raise CicTextualParser0.Eof }
-;
-expr2:
- CONURI
- { let uri = UriManager.string_of_uri $1 in
- let suff = (String.sub uri (String.length uri - 3) 3) in
- match suff with
- "con" ->
- let cookingno = get_cookingno $1 in
- Const ($1,cookingno)
- | "var" -> Var $1
- | _ -> raise (InvalidSuffix suff)
- }
- | INDTYURI
- { let cookingno = get_cookingno (fst $1) in
- MutInd (fst $1, cookingno, snd $1) }
- | INDCONURI
- { let (uri,tyno,consno) = $1 in
- let cookingno = get_cookingno uri in
- MutConstruct (uri, cookingno, tyno, consno) }
- | ID
- { try
- Rel (get_index_in_list (Name $1) !CicTextualParser0.binders)
- with
- Not_found ->
- try
- Hashtbl.find uri_of_id_map $1
- with
- Not_found ->
- match ! CicTextualParser0.locate_object $1 with
- | None -> raise (UnknownIdentifier $1)
- | Some term -> Hashtbl.add uri_of_id_map $1 term; term
- }
- | CASE LPAREN expr COLON INDTYURI SEMICOLON expr RPAREN LCURLY branches RCURLY
- { let cookingno = get_cookingno (fst $5) in
- MutCase (fst $5, cookingno, snd $5, $7, $3, $10) }
- | CASE LPAREN expr COLON ID SEMICOLON expr RPAREN LCURLY branches RCURLY
- { try
- let _ = get_index_in_list (Name $5) !CicTextualParser0.binders in
- raise InductiveTypeURIExpected
- with
- Not_found ->
- match Hashtbl.find uri_of_id_map $5 with
- MutInd (uri,cookingno,typeno) ->
- MutCase (uri, cookingno, typeno, $7, $3, $10)
- | _ -> raise InductiveTypeURIExpected
- }
- | fixheader LCURLY exprseplist RCURLY
- { let fixfunsdecls = snd $1 in
- let fixfunsbodies = $3 in
- let idx =
- let rec find idx =
- function
- [] -> raise Not_found
- | (name,_,_)::_ when name = (fst $1) -> idx
- | _::tl -> find (idx+1) tl
- in
- find 0 fixfunsdecls
- in
- let fixfuns =
- List.map2 (fun (name,recindex,ty) bo -> (name,recindex,ty,bo))
- fixfunsdecls fixfunsbodies
- in
- for i = 1 to List.length fixfuns do
- CicTextualParser0.binders := List.tl !CicTextualParser0.binders
- done ;
- Fix (idx,fixfuns)
- }
- | cofixheader LCURLY exprseplist RCURLY
- { let cofixfunsdecls = (snd $1) in
- let cofixfunsbodies = $3 in
- let idx =
- let rec find idx =
- function
- [] -> raise Not_found
- | (name,_)::_ when name = (fst $1) -> idx
- | _::tl -> find (idx+1) tl
- in
- find 0 cofixfunsdecls
- in
- let cofixfuns =
- List.map2 (fun (name,ty) bo -> (name,ty,bo))
- cofixfunsdecls cofixfunsbodies
- in
- for i = 1 to List.length cofixfuns do
- CicTextualParser0.binders := List.tl !CicTextualParser0.binders
- done ;
- CoFix (idx,cofixfuns)
- }
- | IMPLICIT
- { let newmeta = new_meta () in
- let new_canonical_context = [] in
- let irl =
- identity_relocation_list_for_metavariable new_canonical_context
- in
- CicTextualParser0.metasenv :=
- [newmeta, new_canonical_context, Sort Type ;
- newmeta+1, new_canonical_context, Meta (newmeta,irl);
- newmeta+2, new_canonical_context, Meta (newmeta+1,irl)
- ] @ !CicTextualParser0.metasenv ;
- Meta (newmeta+2,irl)
- }
- | SET { Sort Set }
- | PROP { Sort Prop }
- | TYPE { Sort Type }
- | LPAREN expr CAST expr RPAREN { Cast ($2,$4) }
- | META LBRACKET substitutionlist RBRACKET { Meta ($1, $3) }
- | LPAREN expr expr exprlist RPAREN { Appl ([$2;$3]@$4) }
-;
-expr :
- pihead expr
- { CicTextualParser0.binders := List.tl !CicTextualParser0.binders ;
- Prod (fst $1, snd $1,$2) }
- | lambdahead expr
- { CicTextualParser0.binders := List.tl !CicTextualParser0.binders ;
- Lambda (fst $1, snd $1,$2) }
- | letinhead expr
- { CicTextualParser0.binders := List.tl !CicTextualParser0.binders ;
- LetIn (fst $1, snd $1,$2) }
- | expr2
- { $1 }
-;
-fixheader:
- FIX ID LCURLY fixfunsdecl RCURLY
- { let bs = List.rev_map (function (name,_,_) -> Some (Name name)) $4 in
- CicTextualParser0.binders := bs@(!CicTextualParser0.binders) ;
- $2,$4
- }
-;
-fixfunsdecl:
- ID LPAREN NUM RPAREN COLON expr
- { [$1,$3,$6] }
- | ID LPAREN NUM RPAREN COLON expr SEMICOLON fixfunsdecl
- { ($1,$3,$6)::$8 }
-;
-cofixheader:
- COFIX ID LCURLY cofixfunsdecl RCURLY
- { let bs = List.rev_map (function (name,_) -> Some (Name name)) $4 in
- CicTextualParser0.binders := bs@(!CicTextualParser0.binders) ;
- $2,$4
- }
-;
-cofixfunsdecl:
- ID COLON expr
- { [$1,$3] }
- | ID COLON expr SEMICOLON cofixfunsdecl
- { ($1,$3)::$5 }
-;
-pihead:
- PROD ID COLON expr DOT
- { CicTextualParser0.binders := (Some (Name $2))::!CicTextualParser0.binders;
- (Cic.Name $2, $4) }
- | expr2 ARROW
- { CicTextualParser0.binders := (Some Anonimous)::!CicTextualParser0.binders ;
- (Anonimous, $1) }
- | LPAREN expr RPAREN ARROW
- { CicTextualParser0.binders := (Some Anonimous)::!CicTextualParser0.binders ;
- (Anonimous, $2) }
-;
-lambdahead:
- LAMBDA ID COLON expr DOT
- { CicTextualParser0.binders := (Some (Name $2))::!CicTextualParser0.binders ;
- (Cic.Name $2, $4) }
-;
-letinhead:
- LAMBDA ID LETIN expr DOT
- { CicTextualParser0.binders := (Some (Name $2))::!CicTextualParser0.binders ;
- (Cic.Name $2, $4) }
-;
-branches:
- { [] }
- | expr SEMICOLON branches { $1::$3 }
- | expr { [$1] }
-;
-exprlist:
- { [] }
- | expr exprlist { $1::$2 }
-;
-exprseplist:
- expr { [$1] }
- | expr SEMICOLON exprseplist { $1::$3 }
-;
-substitutionlist:
- { [] }
- | expr SEMICOLON substitutionlist { (Some $1)::$3 }
- | NONE SEMICOLON substitutionlist { None::$3 }
-;
-alias:
- ALIAS ID CONURI
- { let cookingno = get_cookingno $3 in
- Hashtbl.add uri_of_id_map $2 (Cic.Const ($3,cookingno)) }
- | ALIAS ID INDTYURI
- { let cookingno = get_cookingno (fst $3) in
- Hashtbl.add uri_of_id_map $2 (Cic.MutInd (fst $3, cookingno, snd $3)) }
- | ALIAS ID INDCONURI
- { let uri,indno,consno = $3 in
- let cookingno = get_cookingno uri in
- Hashtbl.add uri_of_id_map $2
- (Cic.MutConstruct (uri, cookingno, indno ,consno))
- }
-
-
-
projects / helm.git / blobdiff