+++ /dev/null
-(* Copyright (C) 2004-2005, 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/
- *)
-
-(** {2 Types} *)
-
-type value =
- | TermValue of CicNotationPt.term
- | StringValue of string
- | NumValue of string
- | OptValue of value option
- | ListValue of value list
-
-type value_type =
- | TermType
- | StringType
- | NumType
- | OptType of value_type
- | ListType of value_type
-
- (** looked up value not found in environment *)
-exception Value_not_found of string
-
- (** looked up value has the wrong type
- * parameters are value name and value type in environment *)
-exception Type_mismatch of string * value_type
-
-type declaration = string * value_type
-type binding = string * (value_type * value)
-type t = binding list
-
-val declaration_of_var: CicNotationPt.pattern_variable -> declaration
-val value_of_term: CicNotationPt.term -> value
-val term_of_value: value -> CicNotationPt.term
-val well_typed: value_type -> value -> bool
-
-val declarations_of_env: t -> declaration list
-val declarations_of_term: CicNotationPt.term -> declaration list
-val combine: declaration list -> value list -> t (** @raise Invalid_argument *)
-
-(** {2 Environment lookup} *)
-
-val lookup_value: t -> string -> value (** @raise Value_not_found *)
-
-(** lookup_* functions below may raise Value_not_found and Type_mismatch *)
-
-val lookup_term: t -> string -> CicNotationPt.term
-val lookup_string: t -> string -> string
-val lookup_num: t -> string -> string
-val lookup_opt: t -> string -> value option
-val lookup_list: t -> string -> value list
-
-val remove_name: t -> string -> t
-val remove_names: t -> string list -> t
-
-(** {2 Bindings mangling} *)
-
-val opt_binding_some: binding -> binding (* v -> Some v *)
-val opt_binding_none: binding -> binding (* v -> None *)
-
-val opt_binding_of_name: declaration -> binding (* None binding *)
-val list_binding_of_name: declaration -> binding (* [] binding *)
-
-val opt_declaration: declaration -> declaration (* t -> OptType t *)
-val list_declaration: declaration -> declaration (* t -> ListType t *)
-
-(** given a list of environments bindings a set of names n_1, ..., n_k, returns
- * a single environment where n_i is bound to the list of values bound in the
- * starting environments *)
-val coalesce_env: declaration list -> t list -> t
-