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Update rustc to revision 2cfb5acb5a2751c759627377e602bac4f88f2d19.

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Ms2ger 2015-01-02 12:45:28 +01:00 • committed by Josh Matthews
parent cf616b90a2
commit 16c7060bc8
153 changed files with 2095 additions and 1298 deletions
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34
components/util/task_state.rs
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@ -11,7 +11,7 @@
pub use self::imp::{initialize, get, enter, exit};
bitflags! {
#[deriving(Show)]
#[deriving(Show, Copy)]
flags TaskState: u32 {
const SCRIPT = 0x01,
const LAYOUT = 0x02,
@ -46,22 +46,28 @@ task_types! {
#[cfg(not(ndebug))]
mod imp {
use super::{TaskState, TYPES};
use std::cell::RefCell;
local_data_key!(STATE: TaskState)
thread_local!(static STATE: RefCell<Option<TaskState>> = RefCell::new(None))
pub fn initialize(x: TaskState) {
match STATE.replace(Some(x)) {
None => (),
Some(s) => panic!("Task state already initialized as {}", s),
};
STATE.with(|ref k| {
match *k.borrow() {
Some(s) => panic!("Task state already initialized as {}", s),
None => ()
};
*k.borrow_mut() = Some(x);
});
get(); // check the assertion below
}
pub fn get() -> TaskState {
let state = match STATE.get() {
None => panic!("Task state not initialized"),
Some(s) => *s,
};
let state = STATE.with(|ref k| {
match *k.borrow() {
None => panic!("Task state not initialized"),
Some(s) => s,
}
});
// Exactly one of the task type flags should be set.
assert_eq!(1, TYPES.iter().filter(|&&ty| state.contains(ty)).count());
@ -71,13 +77,17 @@ mod imp {
pub fn enter(x: TaskState) {
let state = get();
assert!(!state.intersects(x));
STATE.replace(Some(state | x));
STATE.with(|ref k| {
*k.borrow_mut() = Some(state | x);
})
}
pub fn exit(x: TaskState) {
let state = get();
assert!(state.contains(x));
STATE.replace(Some(state & !x));
STATE.with(|ref k| {
*k.borrow_mut() = Some(state & !x);
})
}
}