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ScalarInt: add methods to assert being a (u)int of given size

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This commit is contained in:
Ralf Jung
2024-04-18 08:38:37 +02:00
parent 5e6184cdb7
commit 42220f0930
13 changed files with 78 additions and 72 deletions
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6
compiler/rustc_middle/src/mir/consts.rs
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@@ -87,7 +87,7 @@ impl<'tcx> ConstValue<'tcx> {
}
pub fn try_to_bits(&self, size: Size) -> Option<u128> {
self.try_to_scalar_int()?.to_bits(size).ok()
self.try_to_scalar_int()?.try_to_bits(size).ok()
}
pub fn try_to_bool(&self) -> Option<bool> {
@@ -260,7 +260,7 @@ impl<'tcx> Const<'tcx> {
#[inline]
pub fn try_to_bits(self, size: Size) -> Option<u128> {
self.try_to_scalar_int()?.to_bits(size).ok()
self.try_to_scalar_int()?.try_to_bits(size).ok()
}
#[inline]
@@ -334,7 +334,7 @@ impl<'tcx> Const<'tcx> {
let int = self.try_eval_scalar_int(tcx, param_env)?;
let size =
tcx.layout_of(param_env.with_reveal_all_normalized(tcx).and(self.ty())).ok()?.size;
int.to_bits(size).ok()
int.try_to_bits(size).ok()
}
/// Panics if the value cannot be evaluated or doesn't contain a valid integer of the given type.