comparison src/flat.sml @ 26:4ab19c19665f

Closure conversion
author Adam Chlipala <adamc@hcoop.net>
date Tue, 10 Jun 2008 15:56:33 -0400
parents
children 537db4ee89f4
comparison
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25:0a762c73824d 26:4ab19c19665f
1 (* Copyright (c) 2008, Adam Chlipala
2 * All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * - Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * - Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
12 * - The names of contributors may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 *)
27
28 structure Flat = struct
29
30 type 'a located = 'a ErrorMsg.located
31
32 datatype typ' =
33 TFun of typ * typ
34 | TCode of typ * typ
35 | TRecord of (string * typ) list
36 | TNamed of int
37
38 withtype typ = typ' located
39
40 datatype exp' =
41 EPrim of Prim.t
42 | ERel of int
43 | ENamed of int
44 | ECode of int
45 | EApp of exp * exp
46
47 | ERecord of (string * exp) list
48 | EField of exp * string
49
50 | ELet of (string * exp) list * exp
51
52 withtype exp = exp' located
53
54 datatype decl' =
55 DVal of string * int * typ * exp
56 | DFun of int * string * typ * typ * exp
57
58 withtype decl = decl' located
59
60 type file = decl list
61
62 end