adamc@29: (* Copyright (c) 2008, Adam Chlipala
adamc@29:  * All rights reserved.
adamc@29:  *
adamc@29:  * Redistribution and use in source and binary forms, with or without
adamc@29:  * modification, are permitted provided that the following conditions are met:
adamc@29:  *
adamc@29:  * - Redistributions of source code must retain the above copyright notice,
adamc@29:  *   this list of conditions and the following disclaimer.
adamc@29:  * - Redistributions in binary form must reproduce the above copyright notice,
adamc@29:  *   this list of conditions and the following disclaimer in the documentation
adamc@29:  *   and/or other materials provided with the distribution.
adamc@29:  * - The names of contributors may not be used to endorse or promote products
adamc@29:  *   derived from this software without specific prior written permission.
adamc@29:  *
adamc@29:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@29:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@29:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@29:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@29:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
adamc@29:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@29:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@29:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@29:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@29:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@29:  * POSSIBILITY OF SUCH DAMAGE.
adamc@29:  *)
adamc@29: 
adamc@29: signature CJR_ENV = sig
adamc@29: 
adamc@29:     type env
adamc@29: 
adamc@29:     val empty : env
adamc@29: 
adamc@29:     exception UnboundRel of int
adamc@29:     exception UnboundNamed of int
adamc@29:     exception UnboundF of int
adamc@101:     exception UnboundStruct of int
adamc@29: 
adamc@166:     val pushDatatype : env -> string -> int -> (string * int * Cjr.typ option) list -> env
adamc@166:     val lookupDatatype : env -> int -> string * (string * int * Cjr.typ option) list
adamc@29: 
adamc@181:     val lookupConstructor : env -> int -> string * Cjr.typ option * int
adamc@181: 
adamc@29:     val pushERel : env -> string -> Cjr.typ -> env
adamc@29:     val lookupERel : env -> int -> string * Cjr.typ
adamc@29:     val listERels : env -> (string * Cjr.typ) list
adamc@29:     val countERels : env -> int
adamc@29: 
adamc@29:     val pushENamed : env -> string -> int -> Cjr.typ -> env
adamc@29:     val lookupENamed : env -> int -> string * Cjr.typ
adamc@29: 
adamc@101:     val pushStruct : env -> int -> (string * Cjr.typ) list -> env
adamc@101:     val lookupStruct : env -> int -> (string * Cjr.typ) list
adamc@101: 
adamc@29:     val declBinds : env -> Cjr.decl -> env
adamc@188: 
adamc@188:     val classifyDatatype : (string * int * Cjr.typ option) list -> Cjr.datatype_kind
adamc@29:                                                  
adamc@29: end