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Some final touches

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This commit is contained in:
Lukas Wirth 2023-12-03 18:50:29 +01:00
parent 81410ab500
commit 18f1a3c3c6
10 changed files with 86 additions and 67 deletions
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20
crates/tt/src/lib.rs
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@ -23,6 +23,7 @@ pub struct SpanData<Anchor, Ctx> {
}
impl<Anchor: SpanAnchor, Ctx: SyntaxContext> Span for SpanData<Anchor, Ctx> {
#[allow(deprecated)]
const DUMMY: Self = SpanData {
range: TextRange::empty(TextSize::new(0)),
anchor: Anchor::DUMMY,
@ -30,18 +31,24 @@ impl<Anchor: SpanAnchor, Ctx: SyntaxContext> Span for SpanData<Anchor, Ctx> {
};
}
pub trait Span: std::fmt::Debug + Copy + Sized + Eq {
// FIXME: Should not exist. Dummy spans will always be wrong if they leak somewhere. Instead,
// the call site or def site spans should be used in relevant places, its just that we don't
// expose those everywhere in the yet.
const DUMMY: Self;
}
// FIXME: Should not exist
pub trait SpanAnchor:
std::fmt::Debug + Copy + Sized + Eq + Copy + fmt::Debug + std::hash::Hash
{
#[deprecated(note = "this should not exist")]
const DUMMY: Self;
}
// FIXME: Get rid of this trait?
pub trait Span: std::fmt::Debug + Copy + Sized + Eq {
const DUMMY: Self;
}
// FIXME: Should not exist
pub trait SyntaxContext: std::fmt::Debug + Copy + Sized + Eq {
#[deprecated(note = "this should not exist")]
const DUMMY: Self;
}
@ -128,6 +135,7 @@ pub struct DelimSpan<S> {
}
impl<S: Span> DelimSpan<S> {
// FIXME should not exist
pub const DUMMY: Self = Self { open: S::DUMMY, close: S::DUMMY };
}
@ -139,9 +147,11 @@ pub struct Delimiter<S> {
}
impl<S: Span> Delimiter<S> {
// FIXME should not exist
pub const DUMMY_INVISIBLE: Self =
Self { open: S::DUMMY, close: S::DUMMY, kind: DelimiterKind::Invisible };
// FIXME should not exist
pub const fn dummy_invisible() -> Self {
Self::DUMMY_INVISIBLE
}