ea83349c9f
The thread-local isn't needed and consists of mostly empty fields which were just used to move the data into `html::render::CACHE_KEY`.
69 lines
2.4 KiB
Rust
69 lines
2.4 KiB
Rust
// Copyright 2012-2014 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.
|
|
|
|
//! A pass that checks to make sure private fields and methods aren't used
|
|
//! outside their scopes. This pass will also generate a set of exported items
|
|
//! which are available for use externally when compiled as a library.
|
|
|
|
use util::nodemap::{DefIdSet, FnvHashMap};
|
|
|
|
use std::hash::Hash;
|
|
use std::fmt;
|
|
use syntax::ast::NodeId;
|
|
|
|
// Accessibility levels, sorted in ascending order
|
|
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
|
|
pub enum AccessLevel {
|
|
// Exported items + items participating in various kinds of public interfaces,
|
|
// but not directly nameable. For example, if function `fn f() -> T {...}` is
|
|
// public, then type `T` is exported. Its values can be obtained by other crates
|
|
// even if the type itseld is not nameable.
|
|
// FIXME: Mostly unimplemented. Only `type` aliases export items currently.
|
|
Reachable,
|
|
// Public items + items accessible to other crates with help of `pub use` reexports
|
|
Exported,
|
|
// Items accessible to other crates directly, without help of reexports
|
|
Public,
|
|
}
|
|
|
|
// Accessibility levels for reachable HIR nodes
|
|
#[derive(Clone)]
|
|
pub struct AccessLevels<Id = NodeId> {
|
|
pub map: FnvHashMap<Id, AccessLevel>
|
|
}
|
|
|
|
impl<Id: Hash + Eq> AccessLevels<Id> {
|
|
pub fn is_reachable(&self, id: Id) -> bool {
|
|
self.map.contains_key(&id)
|
|
}
|
|
pub fn is_exported(&self, id: Id) -> bool {
|
|
self.map.get(&id) >= Some(&AccessLevel::Exported)
|
|
}
|
|
pub fn is_public(&self, id: Id) -> bool {
|
|
self.map.get(&id) >= Some(&AccessLevel::Public)
|
|
}
|
|
}
|
|
|
|
impl<Id: Hash + Eq> Default for AccessLevels<Id> {
|
|
fn default() -> Self {
|
|
AccessLevels { map: Default::default() }
|
|
}
|
|
}
|
|
|
|
impl<Id: Hash + Eq + fmt::Debug> fmt::Debug for AccessLevels<Id> {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
fmt::Debug::fmt(&self.map, f)
|
|
}
|
|
}
|
|
|
|
/// A set containing all exported definitions from external crates.
|
|
/// The set does not contain any entries from local crates.
|
|
pub type ExternalExports = DefIdSet;
|