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1 | // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
54a0048b | 11 | use hir::def_id::DefId; |
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12 | use super::DepNode; |
13 | use super::thread::{DepGraphThreadData, DepMessage}; | |
14 | ||
15 | pub struct DepTask<'graph> { | |
16 | data: &'graph DepGraphThreadData, | |
54a0048b | 17 | key: DepNode<DefId>, |
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18 | } |
19 | ||
20 | impl<'graph> DepTask<'graph> { | |
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21 | pub fn new(data: &'graph DepGraphThreadData, key: DepNode<DefId>) |
22 | -> DepTask<'graph> { | |
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23 | data.enqueue(DepMessage::PushTask(key)); |
24 | DepTask { data: data, key: key } | |
25 | } | |
26 | } | |
27 | ||
28 | impl<'graph> Drop for DepTask<'graph> { | |
29 | fn drop(&mut self) { | |
30 | self.data.enqueue(DepMessage::PopTask(self.key)); | |
31 | } | |
32 | } | |
33 | ||
34 | pub struct IgnoreTask<'graph> { | |
35 | data: &'graph DepGraphThreadData | |
36 | } | |
37 | ||
38 | impl<'graph> IgnoreTask<'graph> { | |
39 | pub fn new(data: &'graph DepGraphThreadData) -> IgnoreTask<'graph> { | |
40 | data.enqueue(DepMessage::PushIgnore); | |
41 | IgnoreTask { data: data } | |
42 | } | |
43 | } | |
44 | ||
45 | impl<'graph> Drop for IgnoreTask<'graph> { | |
46 | fn drop(&mut self) { | |
47 | self.data.enqueue(DepMessage::PopIgnore); | |
48 | } | |
49 | } |