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query_keys_local is conditional on separate_provide_if_extern

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This commit is contained in:
Michael Goulet 2023-03-18 19:40:00 +00:00
parent d213114cb5
commit b1a957b0b9
1 changed files with 14 additions and 15 deletions
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29
compiler/rustc_middle/src/ty/query.rs
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@ -151,21 +151,17 @@ macro_rules! query_if_arena {
};
}
macro_rules! separate_provide_local_decl {
([][$name:ident]) => {
for<'tcx> fn(
TyCtxt<'tcx>,
query_keys::$name<'tcx>,
) -> query_provided::$name<'tcx>
/// If `separate_provide_if_extern`, then the key can be projected to its
/// local key via `<$K as AsLocalKey>::LocalKey`.
macro_rules! local_key_if_separate_extern {
([] $($K:tt)*) => {
$($K)*
};
([(separate_provide_extern) $($rest:tt)*][$name:ident]) => {
for<'tcx> fn(
TyCtxt<'tcx>,
query_keys_local::$name<'tcx>,
) -> query_provided::$name<'tcx>
([(separate_provide_extern) $($rest:tt)*] $($K:tt)*) => {
<$($K)* as AsLocalKey>::LocalKey
};
([$other:tt $($modifiers:tt)*][$($args:tt)*]) => {
separate_provide_local_decl!([$($modifiers)*][$($args)*])
([$other:tt $($modifiers:tt)*] $($K:tt)*) => {
local_key_if_separate_extern!([$($modifiers)*] $($K)*)
};
}
@ -233,7 +229,7 @@ macro_rules! define_callbacks {
pub mod query_keys_local {
use super::*;
$(pub type $name<'tcx> = <$($K)* as AsLocalKey>::LocalKey;)*
$(pub type $name<'tcx> = local_key_if_separate_extern!([$($modifiers)*] $($K)*);)*
}
#[allow(nonstandard_style, unused_lifetimes)]
pub mod query_values {
@ -407,7 +403,10 @@ macro_rules! define_callbacks {
}
pub struct Providers {
$(pub $name: separate_provide_local_decl!([$($modifiers)*][$name]),)*
$(pub $name: for<'tcx> fn(
TyCtxt<'tcx>,
query_keys_local::$name<'tcx>,
) -> query_provided::$name<'tcx>,)*
}
pub struct ExternProviders {