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100644 40 lines (33 sloc) 1.137 kB
fccc685 Initial open-source release
MLstate authored
1 (*
2 Copyright © 2011 MLstate
3
4 This file is part of OPA.
5
6 OPA is free software: you can redistribute it and/or modify it under the
7 terms of the GNU Affero General Public License, version 3, as published by
8 the Free Software Foundation.
9
10 OPA is distributed in the hope that it will be useful, but WITHOUT ANY
11 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
13 more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with OPA. If not, see <http://www.gnu.org/licenses/>.
17 *)
18 include Lazy
19
20
21 let deep_force obj =
22 let stack = Stack.create () in
23 let pux obj = Stack.push obj stack in
24 let aux obj =
25 let obj = Lazy.force (Obj.magic obj) in
26 if Obj.is_block obj && Obj.tag obj < Obj.no_scan_tag then
27 for i = 0 to Obj.size obj - 1 do
28 let sub = Obj.field obj i in
29 pux sub
30 done
31 in
32 (Stack.push obj stack;
33 try
34 while true do
35 let first = Stack.pop stack in
36 aux first
37 done
38 with Stack.Empty -> ());
39 obj
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