--- /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 *)
+(* *)
+(* Claudio Sacerdoti Coen <sacerdot@cs.unibo.it> *)
+(* 29/11/2000 *)
+(* *)
+(* This module defines the internal representation of the objects (variables,*)
+(* blocks of (co)inductive definitions and constants) and the terms of cic *)
+(* *)
+(*****************************************************************************)
+
+(* $Id: cic.ml 7190 2007-01-31 18:36:04Z sacerdot $ *)
+(*
+(* STUFF TO MANAGE IDENTIFIERS *)
+type id = string (* the abstract type of the (annotated) node identifiers *)
+type 'term explicit_named_substitution = (UriManager.uri * 'term) list
+
+
+(* INTERNAL REPRESENTATION OF CIC OBJECTS AND TERMS *)
+
+type object_flavour =
+ [ `Definition
+ | `MutualDefinition
+ | `Fact
+ | `Lemma
+ | `Remark
+ | `Theorem
+ | `Variant
+ | `Axiom
+ ]
+
+type object_class =
+ [ `Coercion of int
+ | `Elim of sort (** elimination principle; if sort is Type, the universe is
+ * not relevant *)
+ | `Record of (string * bool * int) list (**
+ inductive type that encodes a record; the arguments are
+ the record fields names and if they are coercions and
+ then the coercion arity *)
+ | `Projection (** record projection *)
+ | `InversionPrinciple (** inversion principle *)
+ ]
+
+type attribute =
+ [ `Class of object_class
+ | `Flavour of object_flavour
+ | `Generated
+ ]
+*)
+type sort =
+ | Prop
+ | Set
+ | Type of CicUniv.universe
+ | CProp
+
+type implicit_annotation = [ `Closed | `Type | `Hole | `Term ]
+
+type name = Name of string | Anonymous
+
+type local_context = int * (term list) option (* shift, subst (None means id) *)
+
+and term =
+ | Rel of int (* DeBruijn index, 1 based *)
+ | Meta of int * local_context
+ | Appl of term list (* arguments *)
+ | Prod of name * term * term (* binder, source, target *)
+ | Lambda of name * term * term (* binder, source, target *)
+ | LetIn of name * term * term * term (* binder, type, term, body *)
+ | Const of UriManager.uri (* uri contains indtypeno/constrno *)
+ | Sort of sort (* sort *)
+ | Implicit of implicit_annotation (* ... *)
+ | MutCase of UriManager.uri * (* ind. uri, *)
+ term * term * (* outtype, ind. term *)
+ term list (* patterns *)
+and obj =
+ Constant of string * term option * term * (* id, body, type, *)
+ UriManager.uri list * attribute list (* parameters *)
+ | Variable of string * term option * term * (* name, body, type *)
+ UriManager.uri list * attribute list (* parameters *)
+ | CurrentProof of string * metasenv * term * (* name, conjectures, body, *)
+ term * UriManager.uri list * attribute list (* type, parameters *)
+ | InductiveDefinition of inductiveType list * (* inductive types, *)
+ UriManager.uri list * int * attribute list (* params, left params no *)
+and inductiveType =
+ string * bool * term * (* typename, inductive, arity *)
+ constructor list (* constructors *)
+and constructor =
+ string * term (* id, type *)
+and inductiveFun =
+ string * int * term * term (* name, ind. index, type, body *)
+and coInductiveFun =
+ string * term * term (* name, type, body *)
+
+(* a metasenv is a list of declarations of metas in declarations *)
+(* order (i.e. [oldest ; ... ; newest]). Older variables can not *)
+(* depend on new ones. *)
+and conjecture = int * context * term
+and metasenv = conjecture list
+and substitution = (int * (context * term * term)) list
+
+
+
+(* a metasenv is a list of declarations of metas in declarations *)
+(* order (i.e. [oldest ; ... ; newest]). Older variables can not *)
+(* depend on new ones. *)
+and annconjecture = id * int * anncontext * annterm
+and annmetasenv = annconjecture list
+
+and annterm =
+ ARel of id * id * int * (* idref, DeBrujin index, *)
+ string (* binder *)
+ | AVar of id * UriManager.uri * (* uri, *)
+ annterm explicit_named_substitution (* explicit named subst. *)
+ | AMeta of id * int * (annterm option) list (* numeric id, *)
+ (* local context *)
+ | ASort of id * sort (* sort *)
+ | AImplicit of id * implicit_annotation option (* *)
+ | ACast of id * annterm * annterm (* value, type *)
+ | AProd of id * name * annterm * annterm (* binder, source, target *)
+ | ALambda of id * name * annterm * annterm (* binder, source, target *)
+ | ALetIn of id * name * annterm * annterm (* binder, term, target *)
+ | AAppl of id * annterm list (* arguments *)
+ | AConst of id * UriManager.uri * (* uri, *)
+ annterm explicit_named_substitution (* explicit named subst. *)
+ | AMutInd of id * UriManager.uri * int * (* uri, typeno *)
+ annterm explicit_named_substitution (* explicit named subst. *)
+ (* typeno is 0 based *)
+ | AMutConstruct of id * UriManager.uri * (* uri, *)
+ int * int * (* typeno, consno *)
+ annterm explicit_named_substitution (* explicit named subst. *)
+ (* typeno is 0 based *)
+ (* consno is 1 based *)
+ | AMutCase of id * UriManager.uri * (* ind. uri, *)
+ int * (* ind. typeno, *)
+ annterm * annterm * (* outtype, ind. term *)
+ annterm list (* patterns *)
+ | AFix of id * int * anninductiveFun list (* funno, functions *)
+ | ACoFix of id * int * anncoInductiveFun list (* funno, functions *)
+and annobj =
+ AConstant of id * id option * string * (* name, *)
+ annterm option * annterm * (* body, type, *)
+ UriManager.uri list * attribute list (* parameters *)
+ | AVariable of id *
+ string * annterm option * annterm * (* name, body, type *)
+ UriManager.uri list * attribute list (* parameters *)
+ | ACurrentProof of id * id *
+ string * annmetasenv * (* name, conjectures, *)
+ annterm * annterm * UriManager.uri list * (* body,type,parameters *)
+ attribute list
+ | AInductiveDefinition of id *
+ anninductiveType list * (* inductive types , *)
+ UriManager.uri list * int * attribute list (* parameters,n ind. pars*)
+and anninductiveType =
+ id * string * bool * annterm * (* typename, inductive, arity *)
+ annconstructor list (* constructors *)
+and annconstructor =
+ string * annterm (* id, type *)
+and anninductiveFun =
+ id * string * int * annterm * annterm (* name, ind. index, type, body *)
+and anncoInductiveFun =
+ id * string * annterm * annterm (* name, type, body *)
+and annotation =
+ string
+
+and context_entry = (* A declaration or definition *)
+ Decl of term
+ | Def of term * term option (* body, type (if known) *)
+
+and hypothesis =
+ (name * context_entry) option (* None means no more accessible *)
+
+and context = hypothesis list
+
+and anncontext_entry = (* A declaration or definition *)
+ ADecl of annterm
+ | ADef of annterm
+
+and annhypothesis =
+ id * (name * anncontext_entry) option (* None means no more accessible *)
+
+and anncontext = annhypothesis list
+;;
+
+type lazy_term =
+ context -> metasenv -> CicUniv.universe_graph ->
+ term * metasenv * CicUniv.universe_graph
+
+type anntarget =
+ Object of annobj (* if annobj is a Constant, this is its type *)
+ | ConstantBody of annobj
+ | Term of annterm
+ | Conjecture of annconjecture
+ | Hypothesis of annhypothesis
+
+module CicHash =
+ Hashtbl.Make
+ (struct
+ type t = term
+ let equal = (==)
+ let hash = Hashtbl.hash_param 100 1000
+ end)
+;;
+
--- /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/.
+ *)
+
+(* NG: minimal wrapper on the old cicEnvironment, should provide only the
+ * functions strictly necessary to the typechecking algorithm *)
+
+val get_checked_obj :
+ NCicUniv.universe_graph -> NUriManager.uri ->
+ NCic.obj * NCicUniv.universe_graph
+
+(* EOF *)
--- /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.
+ *
+ * http://cs.unibo.it/helm/.
+ *)
+
+(* These are the only exceptions that will be raised *)
+exception TypeCheckerFailure of string Lazy.t
+exception AssertFailure of string Lazy.t
+
+(* typechecks the object, raising an exception if illtyped *)
+val typecheck_obj : NCic.obj -> unit
+
--- /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/.
+ *)
+
+(* $Id$ *)
+
+(*
+ * "cic:/a/b/c.con" => ("cic:/a/b/c.con", id )
+ * "cic:/a/b/c.ind#xpointer(1/1)" => ("cic:/a/b/c.con#xpointer(1/1)", id)
+ * "cic:/a/b/c.ind#xpointer(1/1/1)" => ("cic:/a/b/c.con#xpointer(1/1/1)", id)
+ *)
+
+let fresh_id =
+ let id = ref 0 in
+ function () ->
+ incr id;
+ !id
+
+(* (uriwithxpointer, uniqueid)
+ * where uniqueid is used to build a set of uri *)
+type uri = string * int;;
+
+let eq uri1 uri2 =
+ uri1 == uri2
+;;
+
+let string_of_uri (uri,_) =
+ uri
+
+let name_of_uri (uri, _) =
+ let xpointer_offset =
+ try String.rindex uri '#' with Not_found -> String.length uri - 1
+ in
+ let index1 = String.rindex_from uri xpointer_offset '/' + 1 in
+ let index2 = String.rindex uri '.' in
+ String.sub uri index1 (index2 - index1)
+
+let nameext_of_uri (uri, _) =
+ let xpointer_offset, mah =
+ try String.rindex uri '#', 0 with Not_found -> String.length uri - 1, 1
+ in
+ let index1 = String.rindex_from uri xpointer_offset '/' + 1 in
+ String.sub uri index1 (xpointer_offset - index1 + mah)
+
+let buri_of_uri (uri,_) =
+ let xpointer_offset =
+ try String.rindex uri '#' with Not_found -> String.length uri - 1
+ in
+ let index = String.rindex_from uri xpointer_offset '/' in
+ String.sub uri 0 index
+
+module OrderedStrings =
+ struct
+ type t = string
+ let compare (s1 : t) (s2 : t) = compare s1 s2
+ end
+;;
+
+module MapStringsToUri = Map.Make(OrderedStrings);;
+
+(* Invariant: the map is the identity function,
+ * i.e.
+ * let str' = (MapStringsToUri.find str !set_of_uri) in
+ * str' == (MapStringsToUri.find str' !set_of_uri)
+ *)
+let set_of_uri = ref MapStringsToUri.empty;;
+
+exception IllFormedUri of string;;
+
+let _dottypes = ".types"
+let _types = "types",5
+let _dotuniv = ".univ"
+let _univ = "univ",4
+let _dotann = ".ann"
+let _ann = "ann",3
+let _var = "var",3
+let _dotbody = ".body"
+let _con = "con",3
+let _ind = "ind",3
+let _xpointer = "#xpointer(1/"
+let _con3 = "con"
+let _var3 = "var"
+let _ind3 = "ind"
+let _ann3 = "ann"
+let _univ4 = "univ"
+let _types5 = "types"
+let _xpointer8 = "xpointer"
+let _cic5 = "cic:/"
+
+let is_malformed suri =
+ try
+ if String.sub suri 0 5 <> _cic5 then true
+ else
+ let len = String.length suri - 5 in
+ let last5 = String.sub suri len 5 in
+ let last4 = String.sub last5 1 4 in
+ let last3 = String.sub last5 2 3 in
+ if last3 = _con3 || last3 = _var3 || last3 = _ind3 ||
+ last3 = _ann3 || last5 = _types5 || last5 = _dotbody ||
+ last4 = _univ4 then
+ false
+ else
+ try
+ let index = String.rindex suri '#' + 1 in
+ let xptr = String.sub suri index 8 in
+ if xptr = _xpointer8 then
+ false
+ else
+ true
+ with Not_found -> true
+ with Invalid_argument _ -> true
+
+(* hash conses an uri *)
+let uri_of_string suri =
+ try
+ MapStringsToUri.find suri !set_of_uri
+ with Not_found ->
+ if is_malformed suri then
+ raise (IllFormedUri suri)
+ else
+ let new_uri = suri, fresh_id () in
+ set_of_uri := MapStringsToUri.add suri new_uri !set_of_uri;
+ new_uri
+
+
+let strip_xpointer ((uri,_) as olduri) =
+ try
+ let index = String.rindex uri '#' in
+ let no_xpointer = String.sub uri 0 index in
+ uri_of_string no_xpointer
+ with
+ Not_found -> olduri
+
+let clear_suffix uri ?(pat2="",0) pat1 =
+ try
+ let index = String.rindex uri '.' in
+ let index' = index + 1 in
+ let suffix = String.sub uri index' (String.length uri - index') in
+ if fst pat1 = suffix || fst pat2 = suffix then
+ String.sub uri 0 index
+ else
+ uri
+ with
+ Not_found -> assert false
+
+let has_suffix uri (pat,n) =
+ try
+ let suffix = String.sub uri (String.length uri - n) n in
+ pat = suffix
+ with
+ Not_found -> assert false
+
+
+let cicuri_of_uri (uri, _) = uri_of_string (clear_suffix uri ~pat2:_types _ann)
+
+let annuri_of_uri (uri , _) = uri_of_string ((clear_suffix uri _ann) ^ _dotann)
+
+let uri_is_annuri (uri, _) = has_suffix uri _ann
+
+let uri_is_var (uri, _) = has_suffix uri _var
+
+let uri_is_con (uri, _) = has_suffix uri _con
+
+let uri_is_ind (uri, _) = has_suffix uri _ind
+
+let bodyuri_of_uri (uri, _) =
+ if has_suffix uri _con then
+ Some (uri_of_string (uri ^ _dotbody))
+ else
+ None
+;;
+
+(* these are bugged!
+ * we should remove _types, _univ, _ann all toghether *)
+let innertypesuri_of_uri (uri, _) =
+ uri_of_string ((clear_suffix uri _types) ^ _dottypes)
+;;
+let univgraphuri_of_uri (uri,_) =
+ uri_of_string ((clear_suffix uri _univ) ^ _dotuniv)
+;;
+
+
+let uri_of_uriref (uri, _) typeno consno =
+ let typeno = typeno + 1 in
+ let suri =
+ match consno with
+ | None -> Printf.sprintf "%s%s%d)" uri _xpointer typeno
+ | Some n -> Printf.sprintf "%s%s%d/%d)" uri _xpointer typeno n
+ in
+ uri_of_string suri
+
+let compare (_,id1) (_,id2) = id1 - id2
+
+module OrderedUri =
+struct
+ type t = uri
+ let compare = compare (* the one above, not Pervasives.compare *)
+end
+
+module UriSet = Set.Make (OrderedUri)
+
+(*
+module OrderedUriPair =
+struct
+ type t = uri * uri
+ let compare (u11, u12) (u21, u22) =
+ match compare u11 u21 with
+ | 0 -> compare u12 u22
+ | x -> x
+end
+
+module UriPairSet = Set.Make (OrderedUriPair)
+*)
+
+module HashedUri =
+struct
+ type t = uri
+ let equal = eq
+ let hash = snd
+end
+
+module UriHashtbl = Hashtbl.Make (HashedUri)
+
+
--- /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/.
+ *)
+
+exception IllFormedUri of string Lazy.t;;
+
+type uri
+
+val eq: uri -> uri -> bool
+
+val string_of_uri: uri -> string
+
+++ /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 *)
-(* *)
-(* Claudio Sacerdoti Coen <sacerdot@cs.unibo.it> *)
-(* 29/11/2000 *)
-(* *)
-(* This module defines the internal representation of the objects (variables,*)
-(* blocks of (co)inductive definitions and constants) and the terms of cic *)
-(* *)
-(*****************************************************************************)
-
-(* $Id: cic.ml 7190 2007-01-31 18:36:04Z sacerdot $ *)
-(*
-(* STUFF TO MANAGE IDENTIFIERS *)
-type id = string (* the abstract type of the (annotated) node identifiers *)
-type 'term explicit_named_substitution = (UriManager.uri * 'term) list
-
-
-(* INTERNAL REPRESENTATION OF CIC OBJECTS AND TERMS *)
-
-type object_flavour =
- [ `Definition
- | `MutualDefinition
- | `Fact
- | `Lemma
- | `Remark
- | `Theorem
- | `Variant
- | `Axiom
- ]
-
-type object_class =
- [ `Coercion of int
- | `Elim of sort (** elimination principle; if sort is Type, the universe is
- * not relevant *)
- | `Record of (string * bool * int) list (**
- inductive type that encodes a record; the arguments are
- the record fields names and if they are coercions and
- then the coercion arity *)
- | `Projection (** record projection *)
- | `InversionPrinciple (** inversion principle *)
- ]
-
-type attribute =
- [ `Class of object_class
- | `Flavour of object_flavour
- | `Generated
- ]
-*)
-type sort =
- | Prop
- | Set
- | Type of CicUniv.universe
- | CProp
-
-type implicit_annotation = [ `Closed | `Type | `Hole | `Term ]
-
-type name = Name of string | Anonymous
-
-type local_context = int * (term list) option (* shift, subst (None means id) *)
-
-and term =
- | Rel of int (* DeBruijn index, 1 based *)
- | Meta of int * local_context
- | Appl of term list (* arguments *)
- | Prod of name * term * term (* binder, source, target *)
- | Lambda of name * term * term (* binder, source, target *)
- | LetIn of name * term * term * term (* binder, type, term, body *)
- | Const of UriManager.uri (* uri contains indtypeno/constrno *)
- | Sort of sort (* sort *)
- | Implicit of implicit_annotation (* ... *)
- | MutCase of UriManager.uri * (* ind. uri, *)
- term * term * (* outtype, ind. term *)
- term list (* patterns *)
-and obj =
- Constant of string * term option * term * (* id, body, type, *)
- UriManager.uri list * attribute list (* parameters *)
- | Variable of string * term option * term * (* name, body, type *)
- UriManager.uri list * attribute list (* parameters *)
- | CurrentProof of string * metasenv * term * (* name, conjectures, body, *)
- term * UriManager.uri list * attribute list (* type, parameters *)
- | InductiveDefinition of inductiveType list * (* inductive types, *)
- UriManager.uri list * int * attribute list (* params, left params no *)
-and inductiveType =
- string * bool * term * (* typename, inductive, arity *)
- constructor list (* constructors *)
-and constructor =
- string * term (* id, type *)
-and inductiveFun =
- string * int * term * term (* name, ind. index, type, body *)
-and coInductiveFun =
- string * term * term (* name, type, body *)
-
-(* a metasenv is a list of declarations of metas in declarations *)
-(* order (i.e. [oldest ; ... ; newest]). Older variables can not *)
-(* depend on new ones. *)
-and conjecture = int * context * term
-and metasenv = conjecture list
-and substitution = (int * (context * term * term)) list
-
-
-
-(* a metasenv is a list of declarations of metas in declarations *)
-(* order (i.e. [oldest ; ... ; newest]). Older variables can not *)
-(* depend on new ones. *)
-and annconjecture = id * int * anncontext * annterm
-and annmetasenv = annconjecture list
-
-and annterm =
- ARel of id * id * int * (* idref, DeBrujin index, *)
- string (* binder *)
- | AVar of id * UriManager.uri * (* uri, *)
- annterm explicit_named_substitution (* explicit named subst. *)
- | AMeta of id * int * (annterm option) list (* numeric id, *)
- (* local context *)
- | ASort of id * sort (* sort *)
- | AImplicit of id * implicit_annotation option (* *)
- | ACast of id * annterm * annterm (* value, type *)
- | AProd of id * name * annterm * annterm (* binder, source, target *)
- | ALambda of id * name * annterm * annterm (* binder, source, target *)
- | ALetIn of id * name * annterm * annterm (* binder, term, target *)
- | AAppl of id * annterm list (* arguments *)
- | AConst of id * UriManager.uri * (* uri, *)
- annterm explicit_named_substitution (* explicit named subst. *)
- | AMutInd of id * UriManager.uri * int * (* uri, typeno *)
- annterm explicit_named_substitution (* explicit named subst. *)
- (* typeno is 0 based *)
- | AMutConstruct of id * UriManager.uri * (* uri, *)
- int * int * (* typeno, consno *)
- annterm explicit_named_substitution (* explicit named subst. *)
- (* typeno is 0 based *)
- (* consno is 1 based *)
- | AMutCase of id * UriManager.uri * (* ind. uri, *)
- int * (* ind. typeno, *)
- annterm * annterm * (* outtype, ind. term *)
- annterm list (* patterns *)
- | AFix of id * int * anninductiveFun list (* funno, functions *)
- | ACoFix of id * int * anncoInductiveFun list (* funno, functions *)
-and annobj =
- AConstant of id * id option * string * (* name, *)
- annterm option * annterm * (* body, type, *)
- UriManager.uri list * attribute list (* parameters *)
- | AVariable of id *
- string * annterm option * annterm * (* name, body, type *)
- UriManager.uri list * attribute list (* parameters *)
- | ACurrentProof of id * id *
- string * annmetasenv * (* name, conjectures, *)
- annterm * annterm * UriManager.uri list * (* body,type,parameters *)
- attribute list
- | AInductiveDefinition of id *
- anninductiveType list * (* inductive types , *)
- UriManager.uri list * int * attribute list (* parameters,n ind. pars*)
-and anninductiveType =
- id * string * bool * annterm * (* typename, inductive, arity *)
- annconstructor list (* constructors *)
-and annconstructor =
- string * annterm (* id, type *)
-and anninductiveFun =
- id * string * int * annterm * annterm (* name, ind. index, type, body *)
-and anncoInductiveFun =
- id * string * annterm * annterm (* name, type, body *)
-and annotation =
- string
-
-and context_entry = (* A declaration or definition *)
- Decl of term
- | Def of term * term option (* body, type (if known) *)
-
-and hypothesis =
- (name * context_entry) option (* None means no more accessible *)
-
-and context = hypothesis list
-
-and anncontext_entry = (* A declaration or definition *)
- ADecl of annterm
- | ADef of annterm
-
-and annhypothesis =
- id * (name * anncontext_entry) option (* None means no more accessible *)
-
-and anncontext = annhypothesis list
-;;
-
-type lazy_term =
- context -> metasenv -> CicUniv.universe_graph ->
- term * metasenv * CicUniv.universe_graph
-
-type anntarget =
- Object of annobj (* if annobj is a Constant, this is its type *)
- | ConstantBody of annobj
- | Term of annterm
- | Conjecture of annconjecture
- | Hypothesis of annhypothesis
-
-module CicHash =
- Hashtbl.Make
- (struct
- type t = term
- let equal = (==)
- let hash = Hashtbl.hash_param 100 1000
- end)
-;;
-
--- /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/.
+ *)
+
+(* typechecks the OLD object using the NEW type checker,
+ * if illtyped returns false (no exceptions raised)
+ *)
+val typecheck_obj : Cic.obj -> bool
+