adamc@16: (* Copyright (c) 2008, Adam Chlipala
adamc@16:  * All rights reserved.
adamc@16:  *
adamc@16:  * Redistribution and use in source and binary forms, with or without
adamc@16:  * modification, are permitted provided that the following conditions are met:
adamc@16:  *
adamc@16:  * - Redistributions of source code must retain the above copyright notice,
adamc@16:  *   this list of conditions and the following disclaimer.
adamc@16:  * - Redistributions in binary form must reproduce the above copyright notice,
adamc@16:  *   this list of conditions and the following disclaimer in the documentation
adamc@16:  *   and/or other materials provided with the distribution.
adamc@16:  * - The names of contributors may not be used to endorse or promote products
adamc@16:  *   derived from this software without specific prior written permission.
adamc@16:  *
adamc@16:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@16:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@16:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@16:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@16:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
adamc@16:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@16:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@16:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@16:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@16:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@16:  * POSSIBILITY OF SUCH DAMAGE.
adamc@16:  *)
adamc@16: 
adamc@16: structure Core = struct
adamc@16: 
adamc@16: type 'a located = 'a ErrorMsg.located
adamc@16: 
adamc@16: datatype kind' =
adamc@16:          KType
adamc@16:        | KArrow of kind * kind
adamc@16:        | KName
adamc@16:        | KRecord of kind
adamc@87:        | KUnit
adamc@16: 
adamc@16: withtype kind = kind' located
adamc@16: 
adamc@16: datatype con' =
adamc@16:          TFun of con * con
adamc@16:        | TCFun of string * kind * con
adamc@16:        | TRecord of con
adamc@16: 
adamc@16:        | CRel of int
adamc@16:        | CNamed of int
adamc@48:        | CFfi of string * string
adamc@16:        | CApp of con * con
adamc@16:        | CAbs of string * kind * con
adamc@16: 
adamc@16:        | CName of string
adamc@16: 
adamc@16:        | CRecord of kind * (con * con) list
adamc@16:        | CConcat of con * con
adamc@69:        | CFold of kind * kind
adamc@16: 
adamc@87:        | CUnit
adamc@87: 
adamc@16: withtype con = con' located
adamc@16: 
adamc@16: datatype exp' =
adamc@16:          EPrim of Prim.t
adamc@16:        | ERel of int
adamc@16:        | ENamed of int
adamc@48:        | EFfi of string * string
adamc@48:        | EFfiApp of string * string * exp list
adamc@16:        | EApp of exp * exp
adamc@26:        | EAbs of string * con * con * exp
adamc@16:        | ECApp of exp * con
adamc@16:        | ECAbs of string * kind * exp
adamc@16: 
adamc@29:        | ERecord of (con * exp * con) list
adamc@16:        | EField of exp * con * { field : con, rest : con }
adamc@73:        | EFold of kind
adamc@16: 
adamc@102:        | EWrite of exp
adamc@102: 
adamc@110:        | EClosure of int * exp list
adamc@110: 
adamc@16: withtype exp = exp' located
adamc@16: 
adamc@16: datatype decl' =
adamc@16:          DCon of string * int * kind * con
adamc@109:        | DVal of string * int * con * exp * string
adamc@109:        | DExport of int
adamc@16: 
adamc@16: withtype decl = decl' located
adamc@16: 
adamc@16: type file = decl list
adamc@16: 
adamc@16: end