bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

rustc_span: Remove fn fresh_expansion

Browse source 
In the past it did create a fresh expansion, but now, after surviving a number of refactorings, it does not.
Now it's just a thin wrapper around `apply_mark`.
This commit is contained in:
Vadim Petrochenkov 2024-01-05 17:11:25 +03:00
parent deecbd80cd
commit 205fb75cfa
2 changed files with 3 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

17
compiler/rustc_span/src/hygiene.rs
View file

@ -850,21 +850,6 @@ impl fmt::Debug for SyntaxContext {
}
impl Span {
/// Creates a fresh expansion with given properties.
/// Expansions are normally created by macros, but in some cases expansions are created for
/// other compiler-generated code to set per-span properties like allowed unstable features.
/// The returned span belongs to the created expansion and has the new properties,
/// but its location is inherited from the current span.
pub fn fresh_expansion(self, expn_id: LocalExpnId) -> Span {
HygieneData::with(|data| {
self.with_ctxt(data.apply_mark(
self.ctxt(),
expn_id.to_expn_id(),
Transparency::Transparent,
))
})
}
/// Reuses the span but adds information like the kind of the desugaring and features that are
/// allowed inside this span.
pub fn mark_with_reason(
@ -879,7 +864,7 @@ impl Span {
..ExpnData::default(ExpnKind::Desugaring(reason), self, edition, None, None)
};
let expn_id = LocalExpnId::fresh(expn_data, ctx);
self.fresh_expansion(expn_id)
self.apply_mark(expn_id.to_expn_id(), Transparency::Transparent)
}
}