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Move macros to usage

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This commit is contained in:
Nilstrieb 2023-10-28 20:22:47 +02:00
parent 56643ec19e
commit 4dada601c1
1 changed files with 40 additions and 40 deletions
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80
compiler/rustc_middle/src/ty/print/pretty.rs
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@ -2623,46 +2623,6 @@ fn print(&self, cx: &mut P) -> Result<(), PrintError> {
}
}
macro_rules! forward_display_to_print {
($($ty:ty),+) => {
// Some of the $ty arguments may not actually use 'tcx
$(#[allow(unused_lifetimes)] impl<'tcx> fmt::Display for $ty {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
ty::tls::with(|tcx| {
let mut cx = FmtPrinter::new(tcx, Namespace::TypeNS);
tcx.lift(*self)
.expect("could not lift for printing")
.print(&mut cx)?;
f.write_str(&cx.into_buffer())?;
Ok(())
})
}
})+
};
}
macro_rules! define_print_and_forward_display {
(($self:ident, $cx:ident): $($ty:ty $print:block)+) => {
define_print!(($self, $cx): $($ty $print)*);
forward_display_to_print!($($ty),+);
};
}
macro_rules! define_print {
(($self:ident, $cx:ident): $($ty:ty $print:block)+) => {
$(impl<'tcx, P: PrettyPrinter<'tcx>> Print<'tcx, P> for $ty {
fn print(&$self, $cx: &mut P) -> Result<(), PrintError> {
#[allow(unused_mut)]
let mut $cx = $cx;
define_scoped_cx!($cx);
let _: () = $print;
#[allow(unreachable_code)]
Ok(())
}
})+
};
}
/// Wrapper type for `ty::TraitRef` which opts-in to pretty printing only
/// the trait path. That is, it will print `Trait<U>` instead of
/// `<T as Trait<U>>`.
@ -2737,6 +2697,46 @@ pub struct PrintClosureAsImpl<'tcx> {
pub closure: ty::ClosureArgs<'tcx>,
}
macro_rules! forward_display_to_print {
($($ty:ty),+) => {
// Some of the $ty arguments may not actually use 'tcx
$(#[allow(unused_lifetimes)] impl<'tcx> fmt::Display for $ty {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
ty::tls::with(|tcx| {
let mut cx = FmtPrinter::new(tcx, Namespace::TypeNS);
tcx.lift(*self)
.expect("could not lift for printing")
.print(&mut cx)?;
f.write_str(&cx.into_buffer())?;
Ok(())
})
}
})+
};
}
macro_rules! define_print {
(($self:ident, $cx:ident): $($ty:ty $print:block)+) => {
$(impl<'tcx, P: PrettyPrinter<'tcx>> Print<'tcx, P> for $ty {
fn print(&$self, $cx: &mut P) -> Result<(), PrintError> {
#[allow(unused_mut)]
let mut $cx = $cx;
define_scoped_cx!($cx);
let _: () = $print;
#[allow(unreachable_code)]
Ok(())
}
})+
};
}
macro_rules! define_print_and_forward_display {
(($self:ident, $cx:ident): $($ty:ty $print:block)+) => {
define_print!(($self, $cx): $($ty $print)*);
forward_display_to_print!($($ty),+);
};
}
forward_display_to_print! {
ty::Region<'tcx>,
Ty<'tcx>,