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Print thir::PatRange, not its surrounding thir::Pat

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This further reduces the amount of code that relies on `thir::Pat` being
printable.
This commit is contained in:
Zalathar 2024-07-30 17:28:37 +10:00
parent 83dcdb3a5d
commit a2b3256374
1 changed files with 7 additions and 8 deletions
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15
compiler/rustc_pattern_analysis/src/rustc.rs
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@ -1003,12 +1003,11 @@ impl<'p, 'tcx: 'p> PatCx for RustcPatCtxt<'p, 'tcx> {
}
// `pat` is an exclusive range like `lo..gap`. `gapped_with` contains ranges that start with
// `gap+1`.
let suggested_range: thir::Pat<'_> = {
let suggested_range: String = {
// Suggest `lo..=gap` instead.
let mut suggested_range = thir_pat.clone();
let thir::PatKind::Range(range) = &mut suggested_range.kind else { unreachable!() };
range.end = rustc_hir::RangeEnd::Included;
suggested_range
let mut suggested_range = PatRange::clone(range);
suggested_range.end = rustc_hir::RangeEnd::Included;
suggested_range.to_string()
};
let gap_as_pat = self.hoist_pat_range(&gap, *pat.ty());
if gapped_with.is_empty() {
@ -1023,7 +1022,7 @@ impl<'p, 'tcx: 'p> PatCx for RustcPatCtxt<'p, 'tcx> {
// That's the gap that isn't covered.
max: gap_as_pat.to_string(),
// Suggest `lo..=max` instead.
suggestion: suggested_range.to_string(),
suggestion: suggested_range,
},
);
} else {
@ -1037,7 +1036,7 @@ impl<'p, 'tcx: 'p> PatCx for RustcPatCtxt<'p, 'tcx> {
// That's the gap that isn't covered.
gap: gap_as_pat.to_string(),
// Suggest `lo..=gap` instead.
suggestion: suggested_range.to_string(),
suggestion: suggested_range,
// All these ranges skipped over `gap` which we think is probably a
// mistake.
gap_with: gapped_with
@ -1045,7 +1044,7 @@ impl<'p, 'tcx: 'p> PatCx for RustcPatCtxt<'p, 'tcx> {
.map(|pat| errors::GappedRange {
span: pat.data().span,
gap: gap_as_pat.to_string(),
first_range: thir_pat.to_string(),
first_range: range.to_string(),
})
.collect(),
},