annotate src/cjr_env.sig @ 1298:e665527fce1c

Support empty datatypes, which can now be generated via 'variant []'
author Adam Chlipala <adam@chlipala.net>
date Thu, 09 Sep 2010 12:42:25 -0400
parents 8e9f97508f0d
children
rev   line source
adamc@29 1 (* Copyright (c) 2008, Adam Chlipala
adamc@29 2 * All rights reserved.
adamc@29 3 *
adamc@29 4 * Redistribution and use in source and binary forms, with or without
adamc@29 5 * modification, are permitted provided that the following conditions are met:
adamc@29 6 *
adamc@29 7 * - Redistributions of source code must retain the above copyright notice,
adamc@29 8 * this list of conditions and the following disclaimer.
adamc@29 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@29 10 * this list of conditions and the following disclaimer in the documentation
adamc@29 11 * and/or other materials provided with the distribution.
adamc@29 12 * - The names of contributors may not be used to endorse or promote products
adamc@29 13 * derived from this software without specific prior written permission.
adamc@29 14 *
adamc@29 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@29 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@29 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@29 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@29 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@29 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@29 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@29 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@29 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@29 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@29 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@29 26 *)
adamc@29 27
adamc@29 28 signature CJR_ENV = sig
adamc@29 29
adamc@29 30 type env
adamc@29 31
adamc@29 32 val empty : env
adamc@29 33
adamc@29 34 exception UnboundRel of int
adamc@29 35 exception UnboundNamed of int
adamc@29 36 exception UnboundF of int
adamc@101 37 exception UnboundStruct of int
adamc@29 38
adamc@166 39 val pushDatatype : env -> string -> int -> (string * int * Cjr.typ option) list -> env
adamc@166 40 val lookupDatatype : env -> int -> string * (string * int * Cjr.typ option) list
adamc@29 41
adamc@181 42 val lookupConstructor : env -> int -> string * Cjr.typ option * int
adamc@181 43
adamc@29 44 val pushERel : env -> string -> Cjr.typ -> env
adamc@29 45 val lookupERel : env -> int -> string * Cjr.typ
adamc@29 46 val listERels : env -> (string * Cjr.typ) list
adamc@29 47 val countERels : env -> int
adamc@29 48
adamc@29 49 val pushENamed : env -> string -> int -> Cjr.typ -> env
adamc@29 50 val lookupENamed : env -> int -> string * Cjr.typ
adamc@29 51
adamc@101 52 val pushStruct : env -> int -> (string * Cjr.typ) list -> env
adamc@101 53 val lookupStruct : env -> int -> (string * Cjr.typ) list
adamc@101 54
adamc@29 55 val declBinds : env -> Cjr.decl -> env
adamc@188 56
adamc@188 57 val classifyDatatype : (string * int * Cjr.typ option) list -> Cjr.datatype_kind
adamc@29 58
adamc@29 59 end