annotate src/flat.sml @ 48:0a5c312de09a

Start of FFI
author Adam Chlipala <adamc@hcoop.net>
date Sun, 22 Jun 2008 09:27:29 -0400
parents 537db4ee89f4
children 198172560b73
rev   line source
adamc@26 1 (* Copyright (c) 2008, Adam Chlipala
adamc@26 2 * All rights reserved.
adamc@26 3 *
adamc@26 4 * Redistribution and use in source and binary forms, with or without
adamc@26 5 * modification, are permitted provided that the following conditions are met:
adamc@26 6 *
adamc@26 7 * - Redistributions of source code must retain the above copyright notice,
adamc@26 8 * this list of conditions and the following disclaimer.
adamc@26 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@26 10 * this list of conditions and the following disclaimer in the documentation
adamc@26 11 * and/or other materials provided with the distribution.
adamc@26 12 * - The names of contributors may not be used to endorse or promote products
adamc@26 13 * derived from this software without specific prior written permission.
adamc@26 14 *
adamc@26 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@26 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@26 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@26 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@26 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@26 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@26 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@26 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@26 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@26 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@26 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@26 26 *)
adamc@26 27
adamc@26 28 structure Flat = struct
adamc@26 29
adamc@26 30 type 'a located = 'a ErrorMsg.located
adamc@26 31
adamc@26 32 datatype typ' =
adamc@29 33 TTop
adamc@29 34 | TFun of typ * typ
adamc@26 35 | TCode of typ * typ
adamc@26 36 | TRecord of (string * typ) list
adamc@26 37 | TNamed of int
adamc@26 38
adamc@26 39 withtype typ = typ' located
adamc@26 40
adamc@26 41 datatype exp' =
adamc@26 42 EPrim of Prim.t
adamc@26 43 | ERel of int
adamc@26 44 | ENamed of int
adamc@26 45 | ECode of int
adamc@26 46 | EApp of exp * exp
adamc@26 47
adamc@29 48 | ERecord of (string * exp * typ) list
adamc@26 49 | EField of exp * string
adamc@26 50
adamc@29 51 | ELet of (string * typ * exp) list * exp
adamc@26 52
adamc@26 53 withtype exp = exp' located
adamc@26 54
adamc@26 55 datatype decl' =
adamc@26 56 DVal of string * int * typ * exp
adamc@26 57 | DFun of int * string * typ * typ * exp
adamc@26 58
adamc@26 59 withtype decl = decl' located
adamc@26 60
adamc@26 61 type file = decl list
adamc@26 62
adamc@26 63 end