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Rollup merge of #123087 - tgross35:clippy-f16-f128-check-stubs, r=blyxyas

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Change `f16` and `f128` clippy stubs to be nonpanicking

It turns out there is a bit of a circular dependency - I cannot add anything to `core` because Clippy fails, and I can't actually add correct Clippy implementations without new implementations from `core`.

Change some of the Clippy stubs from `unimplemented!` to success values and leave a FIXME in their place to mitigate this.

Fixes <https://github.com/rust-lang/rust/issues/122587>
This commit is contained in:
Matthias Krüger 2024-03-26 21:23:50 +01:00 committed by GitHub
commit 7af95edd29
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1 changed files with 11 additions and 4 deletions
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15
src/tools/clippy/clippy_lints/src/float_literal.rs
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@ -83,7 +83,10 @@ impl<'tcx> LateLintPass<'tcx> for FloatLiteral {
LitFloatType::Unsuffixed => None, LitFloatType::Unsuffixed => None,
}; };
let (is_whole, is_inf, mut float_str) = match fty { let (is_whole, is_inf, mut float_str) = match fty {
FloatTy::F16 => unimplemented!("f16_f128"), FloatTy::F16 => {
// FIXME(f16_f128): do a check like the others when parsing is available
return;
},
FloatTy::F32 => { FloatTy::F32 => {
let value = sym_str.parse::<f32>().unwrap(); let value = sym_str.parse::<f32>().unwrap();
@ -94,7 +97,10 @@ impl<'tcx> LateLintPass<'tcx> for FloatLiteral {
(value.fract() == 0.0, value.is_infinite(), formatter.format(value)) (value.fract() == 0.0, value.is_infinite(), formatter.format(value))
}, },
FloatTy::F128 => unimplemented!("f16_f128"), FloatTy::F128 => {
// FIXME(f16_f128): do a check like the others when parsing is available
return;
},
}; };
if is_inf { if is_inf {
@ -139,10 +145,11 @@ impl<'tcx> LateLintPass<'tcx> for FloatLiteral {
#[must_use] #[must_use]
fn max_digits(fty: FloatTy) -> u32 { fn max_digits(fty: FloatTy) -> u32 {
match fty { match fty {
FloatTy::F16 => unimplemented!("f16_f128"), // FIXME(f16_f128): replace the magic numbers once `{f16,f128}::DIGITS` are available
FloatTy::F16 => 3,
FloatTy::F32 => f32::DIGITS, FloatTy::F32 => f32::DIGITS,
FloatTy::F64 => f64::DIGITS, FloatTy::F64 => f64::DIGITS,
FloatTy::F128 => unimplemented!("f16_f128"), FloatTy::F128 => 33,
} }
} }