bjoernager/rust
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Actually create ranged int types in the type system.

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This commit is contained in:
Oli Scherer 2023-02-02 13:57:36 +00:00
parent 6b24a9cf70
commit 84acfe86de
97 changed files with 1208 additions and 77 deletions
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2
compiler/rustc_hir/src/hir.rs
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@ -2624,7 +2624,7 @@ pub enum TyKind<'hir> {
Infer,
/// Placeholder for a type that has failed to be defined.
Err(rustc_span::ErrorGuaranteed),
/// Pattern types (`u32 as 1..`)
/// Pattern types (`pattern_type!(u32 is 1..)`)
Pat(&'hir Ty<'hir>, &'hir Pat<'hir>),
}

7
compiler/rustc_hir/src/intravisit.rs
View file

@ -356,6 +356,11 @@ pub trait Visitor<'v>: Sized {
fn visit_ty(&mut self, t: &'v Ty<'v>) -> Self::Result {
walk_ty(self, t)
}
fn visit_pattern_type_pattern(&mut self, _p: &'v Pat<'v>) {
// Do nothing. Only a few visitors need to know the details of the pattern type,
// and they opt into it. All other visitors will just choke on our fake patterns
// because they aren't in a body.
}
fn visit_generic_param(&mut self, p: &'v GenericParam<'v>) -> Self::Result {
walk_generic_param(self, p)
}
@ -884,7 +889,7 @@ pub fn walk_ty<'v, V: Visitor<'v>>(visitor: &mut V, typ: &'v Ty<'v>) -> V::Resul
}
TyKind::Pat(ty, pat) => {
try_visit!(visitor.visit_ty(ty));
try_visit!(visitor.visit_pat(pat));
try_visit!(visitor.visit_pattern_type_pattern(pat));
}
}
V::Result::output()