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Rust upgrade to rustc hash b03a2755193cd756583bcf5831cf4545d75ecb8a

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Jack Moffitt 2014-11-05 12:33:11 -07:00 • committed by Glenn Watson
parent 26045d7fcb
commit d1b433a3b3
160 changed files with 1427 additions and 1162 deletions
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29
components/devtools/actor.rs
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@ -4,8 +4,8 @@
/// General actor system infrastructure.
use std::any::{AnyPrivate, AnyRefExt, AnyMutRefExt};
use std::collections::hashmap::HashMap;
use std::any::{Any, AnyRefExt, AnyMutRefExt};
use std::collections::HashMap;
use std::cell::{Cell, RefCell};
use std::intrinsics::TypeId;
use std::io::TcpStream;
@ -16,7 +16,7 @@ use serialize::json;
/// A common trait for all devtools actors that encompasses an immutable name
/// and the ability to process messages that are directed to particular actors.
/// TODO: ensure the name is immutable
pub trait Actor: AnyPrivate {
pub trait Actor {
fn handle_message(&self,
registry: &ActorRegistry,
msg_type: &String,
@ -45,9 +45,12 @@ impl<'a> AnyRefExt<'a> for &'a Actor + 'a {
fn is<T: 'static>(self) -> bool {
// This implementation is only needed so long as there's a Rust bug that
// prevents downcast_ref from giving realistic return values.
let t = TypeId::of::<T>();
let boxed = self.get_type_id();
t == boxed
unsafe {
let t = TypeId::of::<T>();
let this: &Actor = transmute(self);
let boxed: TypeId = this.get_type_id();
t == boxed
}
}
fn downcast_ref<T: 'static>(self) -> Option<&'a T> {
@ -94,7 +97,7 @@ impl ActorRegistry {
if script_id.as_slice() == "" {
return "".to_string();
}
self.script_actors.borrow().find(&script_id).unwrap().to_string()
self.script_actors.borrow().get(&script_id).unwrap().to_string()
}
pub fn script_actor_registered(&self, script_id: String) -> bool {
@ -108,7 +111,7 @@ impl ActorRegistry {
return key.to_string();
}
}
fail!("couldn't find actor named {:s}", actor)
panic!("couldn't find actor named {:s}", actor)
}
/// Create a unique name based on a monotonically increasing suffix
@ -134,7 +137,7 @@ impl ActorRegistry {
// fails for unknown reasons.
/*let actor: &Actor+Send+Sized = *self.actors.find(&name.to_string()).unwrap();
(actor as &Any).downcast_ref::<T>().unwrap()*/
self.actors.find(&name.to_string()).unwrap().downcast_ref::<T>().unwrap()
self.actors.get(&name.to_string()).unwrap().downcast_ref::<T>().unwrap()
}
/// Find an actor by registered name
@ -143,17 +146,17 @@ impl ActorRegistry {
// fails for unknown reasons.
/*let actor: &mut Actor+Send+Sized = *self.actors.find_mut(&name.to_string()).unwrap();
(actor as &mut Any).downcast_mut::<T>().unwrap()*/
self.actors.find_mut(&name.to_string()).unwrap().downcast_mut::<T>().unwrap()
self.actors.get_mut(&name.to_string()).unwrap().downcast_mut::<T>().unwrap()
}
/// Attempt to process a message as directed by its `to` property. If the actor is not
/// found or does not indicate that it knew how to process the message, ignore the failure.
pub fn handle_message(&mut self, msg: &json::JsonObject, stream: &mut TcpStream) {
let to = msg.find(&"to".to_string()).unwrap().as_string().unwrap();
match self.actors.find(&to.to_string()) {
let to = msg.get(&"to".to_string()).unwrap().as_string().unwrap();
match self.actors.get(&to.to_string()) {
None => println!("message received for unknown actor \"{:s}\"", to),
Some(actor) => {
let msg_type = msg.find(&"type".to_string()).unwrap().as_string().unwrap();
let msg_type = msg.get(&"type".to_string()).unwrap().as_string().unwrap();
if !actor.handle_message(self, &msg_type.to_string(), msg, stream) {
println!("unexpected message type \"{:s}\" found for actor \"{:s}\"",
msg_type, to);