adamc@26: (* Copyright (c) 2008, Adam Chlipala
adamc@26:  * All rights reserved.
adamc@26:  *
adamc@26:  * Redistribution and use in source and binary forms, with or without
adamc@26:  * modification, are permitted provided that the following conditions are met:
adamc@26:  *
adamc@26:  * - Redistributions of source code must retain the above copyright notice,
adamc@26:  *   this list of conditions and the following disclaimer.
adamc@26:  * - Redistributions in binary form must reproduce the above copyright notice,
adamc@26:  *   this list of conditions and the following disclaimer in the documentation
adamc@26:  *   and/or other materials provided with the distribution.
adamc@26:  * - The names of contributors may not be used to endorse or promote products
adamc@26:  *   derived from this software without specific prior written permission.
adamc@26:  *
adamc@26:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@26:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@26:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@26:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
adamc@26:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@26:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@26:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@26:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@26:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@26:  * POSSIBILITY OF SUCH DAMAGE.
adamc@26:  *)
adamc@26: 
adamc@26: structure Flat = struct
adamc@26: 
adamc@26: type 'a located = 'a ErrorMsg.located
adamc@26: 
adamc@26: datatype typ' =
adamc@29:          TTop
adamc@29:        | TFun of typ * typ
adamc@26:        | TCode of typ * typ
adamc@26:        | TRecord of (string * typ) list
adamc@26:        | TNamed of int
adamc@52:        | TFfi of string * string
adamc@26: 
adamc@26: withtype typ = typ' located
adamc@26: 
adamc@26: datatype exp' =
adamc@26:          EPrim of Prim.t
adamc@26:        | ERel of int
adamc@26:        | ENamed of int
adamc@52:        | EFfi of string * string
adamc@52:        | EFfiApp of string * string * exp list
adamc@26:        | ECode of int
adamc@26:        | EApp of exp * exp
adamc@26: 
adamc@29:        | ERecord of (string * exp * typ) list
adamc@26:        | EField of exp * string
adamc@26: 
adamc@29:        | ELet of (string * typ * exp) list * exp
adamc@26: 
adamc@26: withtype exp = exp' located
adamc@26: 
adamc@26: datatype decl' =
adamc@26:          DVal of string * int * typ * exp
adamc@26:        | DFun of int * string * typ * typ * exp
adamc@26: 
adamc@26: withtype decl = decl' located
adamc@26: 
adamc@26: type file = decl list
adamc@26: 
adamc@26: end