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Rollup merge of #127224 - tgross35:pretty-print-exhaustive, r=RalfJung

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Make `FloatTy` checks exhaustive in pretty print

This should prevent the default fallback if we add more float types in the future.
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Matthias Krüger 2024-07-02 17:47:50 +02:00 • committed by GitHub
commit 5f17e5c00f
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1 changed files with 18 additions and 16 deletions
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34
compiler/rustc_middle/src/ty/print/pretty.rs
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@ -1710,22 +1710,24 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write {
ty::Bool if int == ScalarInt::FALSE => p!("false"),
ty::Bool if int == ScalarInt::TRUE => p!("true"),
// Float
ty::Float(ty::FloatTy::F16) => {
let val = Half::try_from(int).unwrap();
p!(write("{}{}f16", val, if val.is_finite() { "" } else { "_" }))
}
ty::Float(ty::FloatTy::F32) => {
let val = Single::try_from(int).unwrap();
p!(write("{}{}f32", val, if val.is_finite() { "" } else { "_" }))
}
ty::Float(ty::FloatTy::F64) => {
let val = Double::try_from(int).unwrap();
p!(write("{}{}f64", val, if val.is_finite() { "" } else { "_" }))
}
ty::Float(ty::FloatTy::F128) => {
let val = Quad::try_from(int).unwrap();
p!(write("{}{}f128", val, if val.is_finite() { "" } else { "_" }))
}
ty::Float(fty) => match fty {
ty::FloatTy::F16 => {
let val = Half::try_from(int).unwrap();
p!(write("{}{}f16", val, if val.is_finite() { "" } else { "_" }))
}
ty::FloatTy::F32 => {
let val = Single::try_from(int).unwrap();
p!(write("{}{}f32", val, if val.is_finite() { "" } else { "_" }))
}
ty::FloatTy::F64 => {
let val = Double::try_from(int).unwrap();
p!(write("{}{}f64", val, if val.is_finite() { "" } else { "_" }))
}
ty::FloatTy::F128 => {
let val = Quad::try_from(int).unwrap();
p!(write("{}{}f128", val, if val.is_finite() { "" } else { "_" }))
}
},
// Int
ty::Uint(_) | ty::Int(_) => {
let int =