bjoernager/rust
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Rollup merge of #93936 - bjorn3:simplifications2, r=cjgillot

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Couple of driver cleanups

* Remove the `RustcDefaultCalls` struct, which hasn't been necessary since the introduction of `rustc_interface`.
* Move the `setup_callbacks` call around for a tiny code deduplication.
* Remove the `SPAN_DEBUG` global as it isn't actually necessary.
This commit is contained in:
Matthias Krüger 2022-02-13 06:44:18 +01:00 • committed by GitHub
commit dff7d51fcc
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7 changed files with 171 additions and 212 deletions
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38
compiler/rustc_span/src/lib.rs
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@ -1013,37 +1013,25 @@ pub fn with_source_map<T, F: FnOnce() -> T>(source_map: Lrc<SourceMap>, f: F) ->
f()
}
pub fn debug_with_source_map(
span: Span,
f: &mut fmt::Formatter<'_>,
source_map: &SourceMap,
) -> fmt::Result {
write!(f, "{} ({:?})", source_map.span_to_diagnostic_string(span), span.ctxt())
}
pub fn default_span_debug(span: Span, f: &mut fmt::Formatter<'_>) -> fmt::Result {
with_session_globals(|session_globals| {
if let Some(source_map) = &*session_globals.source_map.borrow() {
debug_with_source_map(span, f, source_map)
} else {
f.debug_struct("Span")
.field("lo", &span.lo())
.field("hi", &span.hi())
.field("ctxt", &span.ctxt())
.finish()
}
})
}
impl fmt::Debug for Span {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
(*SPAN_DEBUG)(*self, f)
with_session_globals(|session_globals| {
if let Some(source_map) = &*session_globals.source_map.borrow() {
write!(f, "{} ({:?})", source_map.span_to_diagnostic_string(*self), self.ctxt())
} else {
f.debug_struct("Span")
.field("lo", &self.lo())
.field("hi", &self.hi())
.field("ctxt", &self.ctxt())
.finish()
}
})
}
}
impl fmt::Debug for SpanData {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
(*SPAN_DEBUG)(Span::new(self.lo, self.hi, self.ctxt, self.parent), f)
fmt::Debug::fmt(&Span::new(self.lo, self.hi, self.ctxt, self.parent), f)
}
}
@ -2003,8 +1991,6 @@ pub struct FileLines {
pub lines: Vec<LineInfo>,
}
pub static SPAN_DEBUG: AtomicRef<fn(Span, &mut fmt::Formatter<'_>) -> fmt::Result> =
AtomicRef::new(&(default_span_debug as fn(_, &mut fmt::Formatter<'_>) -> _));
pub static SPAN_TRACK: AtomicRef<fn(LocalDefId)> = AtomicRef::new(&((|_| {}) as fn(_)));
// _____________________________________________________________________________