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7f918cf1 CE |
1 | (* Copyright (C) 1999-2006 Henry Cejtin, Matthew Fluet, Suresh |
2 | * Jagannathan, and Stephen Weeks. | |
3 | * Copyright (C) 1997-2000 NEC Research Institute. | |
4 | * | |
5 | * MLton is released under a BSD-style license. | |
6 | * See the file MLton-LICENSE for details. | |
7 | *) | |
8 | ||
9 | signature REGION_STRUCTS = | |
10 | sig | |
11 | end | |
12 | ||
13 | signature REGION = | |
14 | sig | |
15 | include REGION_STRUCTS | |
16 | ||
17 | type t | |
18 | ||
19 | val <= : t * t -> bool | |
20 | val append: t * t -> t | |
21 | val bogus: t | |
22 | val compare: t * t -> Relation.t | |
23 | val equals: t * t -> bool | |
24 | val extendRight: t * SourcePos.t -> t | |
25 | val left: t -> SourcePos.t option | |
26 | val layout: t -> Layout.t | |
27 | val make: {left: SourcePos.t, right: SourcePos.t} -> t | |
28 | val right: t -> SourcePos.t option | |
29 | val toString: t -> string | |
30 | ||
31 | structure Wrap: | |
32 | sig | |
33 | type region | |
34 | type 'a t | |
35 | val region: 'a t -> region | |
36 | val node: 'a t -> 'a | |
37 | val makeRegion: 'a * region -> 'a t | |
38 | val makeRegion': 'a * SourcePos.t * SourcePos.t -> 'a t | |
39 | (* val make: 'a -> 'a t *) | |
40 | val dest: 'a t -> 'a * region | |
41 | (* val left: 'a t -> int *) | |
42 | (* val right: 'a t -> int *) | |
43 | end | |
44 | sharing type Wrap.region = t | |
45 | end |