use std::cmp::Ord;
use std::hash as std_hash;
-use std::cell::RefCell;
use std::collections::HashMap;
+use std::cell::RefCell;
use syntax::ast;
use rustc_data_structures::accumulate_vec::AccumulateVec;
use rustc_data_structures::fx::{FxHashSet, FxHashMap};
-thread_local!(static IGNORED_ATTR_NAMES: RefCell<FxHashSet<Symbol>> =
- RefCell::new(FxHashSet()));
+pub fn compute_ignored_attr_names() -> FxHashSet<Symbol> {
+ debug_assert!(ich::IGNORED_ATTRIBUTES.len() > 0);
+ ich::IGNORED_ATTRIBUTES.iter().map(|&s| Symbol::intern(s)).collect()
+}
/// This is the context state available during incr. comp. hashing. It contains
/// enough information to transform DefIds and HirIds into stable DefPaths (i.e.
-> Self {
let hash_spans_initial = !sess.opts.debugging_opts.incremental_ignore_spans;
- debug_assert!(ich::IGNORED_ATTRIBUTES.len() > 0);
- IGNORED_ATTR_NAMES.with(|names| {
- let mut names = names.borrow_mut();
- if names.is_empty() {
- names.extend(ich::IGNORED_ATTRIBUTES.iter()
- .map(|&s| Symbol::intern(s)));
- }
- });
-
StableHashingContext {
sess,
body_resolver: BodyResolver(krate),
#[inline]
pub fn is_ignored_attr(&self, name: Symbol) -> bool {
- IGNORED_ATTR_NAMES.with(|names| {
- names.borrow().contains(&name)
- })
+ self.sess.ignored_attr_names.contains(&name)
}
pub fn hash_hir_item_like<F: FnOnce(&mut Self)>(&mut self, f: F) {
pub use self::fingerprint::Fingerprint;
pub use self::caching_codemap_view::CachingCodemapView;
pub use self::hcx::{StableHashingContext, NodeIdHashingMode,
- hash_stable_trait_impls};
+ hash_stable_trait_impls, compute_ignored_attr_names};
mod fingerprint;
mod caching_codemap_view;
mod hcx;
use hir::def_id::CrateNum;
use ich::Fingerprint;
+use ich;
use lint;
use middle::allocator::AllocatorKind;
use middle::dependency_format;
use errors::emitter::{Emitter, EmitterWriter};
use syntax::json::JsonEmitter;
use syntax::feature_gate;
+use syntax::symbol::Symbol;
use syntax::parse;
use syntax::parse::ParseSess;
use syntax::{ast, codemap};
incr_comp_session: RefCell<IncrCompSession>,
+ /// A cache of attributes ignored by StableHashingContext
+ pub ignored_attr_names: FxHashSet<Symbol>,
+
/// Some measurements that are being gathered during compilation.
pub perf_stats: PerfStats,
injected_panic_runtime: Cell::new(None),
imported_macro_spans: RefCell::new(HashMap::new()),
incr_comp_session: RefCell::new(IncrCompSession::NotInitialized),
+ ignored_attr_names: ich::compute_ignored_attr_names(),
perf_stats: PerfStats {
svh_time: Cell::new(Duration::from_secs(0)),
incr_comp_hashes_time: Cell::new(Duration::from_secs(0)),