mod analyze_source_file;
pub mod fatal_error;
-use rustc_data_structures::stable_hasher::StableHasher;
+use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_data_structures::sync::{Lrc, Lock};
use std::borrow::Cow;
}
}
+impl<CTX> HashStable<CTX> for Span
+ where CTX: StableHashingContextLike
+{
+ fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) {
+ ctx.hash_stable_span(self, hasher)
+ }
+}
+
/// A collection of spans. Spans have two orthogonal attributes:
///
/// - They can be *primary spans*. In this case they are the locus of
/// Requirements for a `StableHashingContext` to be used in this crate.
/// This is a hack to allow using the `HashStable_Generic` derive macro
/// instead of implementing everything in librustc.
-pub trait StableHashingContextLike {}
+pub trait StableHashingContextLike {
+ fn hash_stable_span(&mut self, span: &Span, hasher: &mut StableHasher);
+}