bjoernager/rust
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Make ty::print::Printer take &mut self instead of self

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This simplifies the code by removing all the `self` assignments and
makes the flow of data clearer - always into the printer.
Especially in v0 mangling, which already used  `&mut self` in some
places, it gets a lot more uniform.
This commit is contained in:
Nilstrieb 2023-10-17 19:46:14 +02:00
parent 45a45c6e60
commit 5acf26b97e
17 changed files with 615 additions and 592 deletions
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9
compiler/rustc_const_eval/src/interpret/operand.rs
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@ -107,10 +107,10 @@ impl<Prov: Provenance> std::fmt::Display for ImmTy<'_, Prov> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
/// Helper function for printing a scalar to a FmtPrinter
fn p<'a, 'tcx, Prov: Provenance>(
cx: FmtPrinter<'a, 'tcx>,
cx: &mut FmtPrinter<'a, 'tcx>,
s: Scalar<Prov>,
ty: Ty<'tcx>,
) -> Result<FmtPrinter<'a, 'tcx>, std::fmt::Error> {
) -> Result<(), std::fmt::Error> {
match s {
Scalar::Int(int) => cx.pretty_print_const_scalar_int(int, ty, true),
Scalar::Ptr(ptr, _sz) => {
@ -125,8 +125,9 @@ impl<Prov: Provenance> std::fmt::Display for ImmTy<'_, Prov> {
match self.imm {
Immediate::Scalar(s) => {
if let Some(ty) = tcx.lift(self.layout.ty) {
let cx = FmtPrinter::new(tcx, Namespace::ValueNS);
f.write_str(&p(cx, s, ty)?.into_buffer())?;
let s =
FmtPrinter::print_string(tcx, Namespace::ValueNS, |cx| p(cx, s, ty))?;
f.write_str(&s)?;
return Ok(());
}
write!(f, "{:x}: {}", s, self.layout.ty)