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comparison src/core.sml @ 16:bc7b76ca57e0

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Conversion to Core
author Adam Chlipala <adamc@hcoop.net>
date Sun, 08 Jun 2008 13:59:29 -0400
parents
children 4ab19c19665f
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15:1e645beb3f3b 16:bc7b76ca57e0
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 Core = struct
29
30 type 'a located = 'a ErrorMsg.located
31
32 datatype kind' =
33 KType
34 | KArrow of kind * kind
35 | KName
36 | KRecord of kind
37
38 withtype kind = kind' located
39
40 datatype con' =
41 TFun of con * con
42 | TCFun of string * kind * con
43 | TRecord of con
44
45 | CRel of int
46 | CNamed of int
47 | CApp of con * con
48 | CAbs of string * kind * con
49
50 | CName of string
51
52 | CRecord of kind * (con * con) list
53 | CConcat of con * con
54
55 withtype con = con' located
56
57 datatype exp' =
58 EPrim of Prim.t
59 | ERel of int
60 | ENamed of int
61 | EApp of exp * exp
62 | EAbs of string * con * exp
63 | ECApp of exp * con
64 | ECAbs of string * kind * exp
65
66 | ERecord of (con * exp) list
67 | EField of exp * con * { field : con, rest : con }
68
69 withtype exp = exp' located
70
71 datatype decl' =
72 DCon of string * int * kind * con
73 | DVal of string * int * con * exp
74
75 withtype decl = decl' located
76
77 type file = decl list
78
79 end