Mercurial > urweb
view src/cjr.sml @ 66:1ec5703c09c4
Proper subsignaturing for sub-structures
author | Adam Chlipala <adamc@hcoop.net> |
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date | Thu, 26 Jun 2008 09:09:30 -0400 |
parents | 4f641f8fddaa |
children | 717b6f8d8505 |
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(* Copyright (c) 2008, Adam Chlipala * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * - The names of contributors may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. *) structure Cjr = struct type 'a located = 'a ErrorMsg.located datatype typ' = TTop | TFun | TCode of typ * typ | TRecord of int | TNamed of int | TFfi of string * string withtype typ = typ' located datatype exp' = EPrim of Prim.t | ERel of int | ENamed of int | EFfi of string * string | EFfiApp of string * string * exp list | ECode of int | EApp of exp * exp | ERecord of int * (string * exp) list | EField of exp * string | ELet of (string * typ * exp) list * exp withtype exp = exp' located datatype decl' = DStruct of int * (string * typ) list | DVal of string * int * typ * exp | DFun of int * string * typ * typ * exp withtype decl = decl' located type file = decl list end