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7f918cf1 CE |
1 | (* Copyright (C) 2009 Matthew Fluet. |
2 | * Copyright (C) 2004-2007 Henry Cejtin, Matthew Fluet, Suresh | |
3 | * Jagannathan, and Stephen Weeks. | |
4 | * | |
5 | * MLton is released under a BSD-style license. | |
6 | * See the file MLton-LICENSE for details. | |
7 | *) | |
8 | ||
9 | functor ProfileLabel (S: PROFILE_LABEL_STRUCTS): PROFILE_LABEL = | |
10 | struct | |
11 | open S | |
12 | ||
13 | datatype t = T of {plist: PropertyList.t, | |
14 | uniq: int} | |
15 | ||
16 | local | |
17 | fun make f (T r) = f r | |
18 | in | |
19 | val plist = make #plist | |
20 | end | |
21 | ||
22 | local | |
23 | val c = Counter.new 0 | |
24 | in | |
25 | fun new () = T {plist = PropertyList.new (), | |
26 | uniq = Counter.next c} | |
27 | end | |
28 | ||
29 | fun toString (T {uniq, ...}) = | |
30 | concat ["MLtonProfile", Int.toString uniq] | |
31 | ||
32 | val layout = Layout.str o toString | |
33 | ||
34 | val clear = PropertyList.clear o plist | |
35 | end |