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Remove SyntaxContext trait

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This commit is contained in:
Lukas Wirth 2023-12-20 14:02:40 +01:00
parent 7b804552a5
commit f211a40f1f
3 changed files with 10 additions and 40 deletions
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30
crates/tt/src/lib.rs
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@ -11,34 +11,10 @@ use stdx::impl_from;
pub use smol_str::SmolStr;
pub use text_size::{TextRange, TextSize};
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.
#[deprecated = "dummy spans will panic if surfaced incorrectly, as such they should be replaced appropriately"]
const DUMMY: Self;
}
pub trait Span: std::fmt::Debug + Copy + Sized + Eq {}
pub trait SyntaxContext: std::fmt::Debug + Copy + Sized + Eq {
#[deprecated = "dummy spans will panic if surfaced incorrectly, as such they should be replaced appropriately"]
const DUMMY: Self;
}
impl<Ctx: SyntaxContext> Span for span::SpanData<Ctx> {
#[allow(deprecated)]
const DUMMY: Self = span::SpanData {
range: TextRange::empty(TextSize::new(0)),
anchor: span::SpanAnchor {
file_id: span::FileId::BOGUS,
ast_id: span::ROOT_ERASED_FILE_AST_ID,
},
ctx: Ctx::DUMMY,
};
}
impl SyntaxContext for span::SyntaxContextId {
const DUMMY: Self = Self::ROOT;
}
impl<Ctx> Span for span::SpanData<Ctx> where span::SpanData<Ctx>: std::fmt::Debug + Copy + Sized + Eq
{}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub enum TokenTree<S> {