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Split out syntax-bridge into a separate crate

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Lukas Wirth 2024-08-05 10:43:01 +02:00
parent 670a5ab4a9
commit d2dd4f6d5f
30 changed files with 268 additions and 140 deletions
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4
crates/span/src/hygiene.rs
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@ -79,6 +79,10 @@ impl SyntaxContextId {
#[derive(Copy, Clone, Hash, PartialEq, Eq)]
pub struct SyntaxContextData {
/// Invariant: Only [`SyntaxContextId::ROOT`] has a [`None`] outer expansion.
// FIXME: The None case needs to encode the context crate id. We can encode that as the MSB of
// MacroCallId is reserved anyways so we can do bit tagging here just fine.
// The bigger issue is that that will cause interning to now create completely separate chains
// per crate. Though that is likely not a problem as `MacroCallId`s are already crate calling dependent.
pub outer_expn: Option<MacroCallId>,
pub outer_transparency: Transparency,
pub parent: SyntaxContextId,