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Make closure_saved_names_of_captured_variables a query.

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This commit is contained in:
Camille GILLOT 2023-06-18 07:55:04 +00:00
parent 18a6d911ca
commit 7d5b2e4926
13 changed files with 71 additions and 39 deletions
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4
compiler/rustc_middle/src/query/erase.rs
View file

@ -55,6 +55,10 @@ impl<T> EraseType for &'_ ty::List<T> {
type Result = [u8; size_of::<*const ()>()];
}
impl<I: rustc_index::Idx, T> EraseType for &'_ rustc_index::IndexSlice<I, T> {
type Result = [u8; size_of::<&'static rustc_index::IndexSlice<u32, ()>>()];
}
impl<T> EraseType for Result<&'_ T, traits::query::NoSolution> {
type Result = [u8; size_of::<Result<&'static (), traits::query::NoSolution>>()];
}

13
compiler/rustc_middle/src/query/mod.rs
View file

@ -531,6 +531,19 @@ rustc_queries! {
}
}
/// Returns names of captured upvars for closures and generators.
///
/// Here are some examples:
/// - `name__field1__field2` when the upvar is captured by value.
/// - `_ref__name__field` when the upvar is captured by reference.
///
/// For generators this only contains upvars that are shared by all states.
query closure_saved_names_of_captured_variables(def_id: DefId) -> &'tcx IndexVec<abi::FieldIdx, Symbol> {
arena_cache
desc { |tcx| "computing debuginfo for closure `{}`", tcx.def_path_str(def_id) }
separate_provide_extern
}
query mir_generator_witnesses(key: DefId) -> &'tcx Option<mir::GeneratorLayout<'tcx>> {
arena_cache
desc { |tcx| "generator witness types for `{}`", tcx.def_path_str(key) }