| // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| use super::DepNode; |
| use super::thread::{DepGraphThreadData, DepMessage}; |
| |
| pub struct DepTask<'graph> { |
| data: &'graph DepGraphThreadData, |
| key: DepNode, |
| } |
| |
| impl<'graph> DepTask<'graph> { |
| pub fn new(data: &'graph DepGraphThreadData, key: DepNode) -> DepTask<'graph> { |
| data.enqueue(DepMessage::PushTask(key)); |
| DepTask { data: data, key: key } |
| } |
| } |
| |
| impl<'graph> Drop for DepTask<'graph> { |
| fn drop(&mut self) { |
| self.data.enqueue(DepMessage::PopTask(self.key)); |
| } |
| } |
| |
| pub struct IgnoreTask<'graph> { |
| data: &'graph DepGraphThreadData |
| } |
| |
| impl<'graph> IgnoreTask<'graph> { |
| pub fn new(data: &'graph DepGraphThreadData) -> IgnoreTask<'graph> { |
| data.enqueue(DepMessage::PushIgnore); |
| IgnoreTask { data: data } |
| } |
| } |
| |
| impl<'graph> Drop for IgnoreTask<'graph> { |
| fn drop(&mut self) { |
| self.data.enqueue(DepMessage::PopIgnore); |
| } |
| } |