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Rollup merge of #98881 - cjgillot:q-def-kind, r=fee1-dead

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Only compute DefKind through the query.
This commit is contained in:
Dylan DPC 2022-07-06 14:49:08 +05:30 committed by GitHub
commit 707c0d9a2d
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3 changed files with 11 additions and 7 deletions
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3
compiler/rustc_middle/src/hir/map/mod.rs
View File

@ -225,7 +225,8 @@ impl<'hir> Map<'hir> {
self.tcx.definitions_untracked().iter_local_def_id()
}
pub fn opt_def_kind(self, local_def_id: LocalDefId) -> Option<DefKind> {
/// Do not call this function directly. The query should be called.
pub(super) fn opt_def_kind(self, local_def_id: LocalDefId) -> Option<DefKind> {
let hir_id = self.local_def_id_to_hir_id(local_def_id);
let def_kind = match self.find(hir_id)? {
Node::Item(item) => match item.kind {

2
compiler/rustc_privacy/src/lib.rs
View File

@ -467,7 +467,7 @@ impl<'tcx> EmbargoVisitor<'tcx> {
}
let macro_module_def_id = self.tcx.local_parent(local_def_id);
if self.tcx.hir().opt_def_kind(macro_module_def_id) != Some(DefKind::Mod) {
if self.tcx.opt_def_kind(macro_module_def_id) != Some(DefKind::Mod) {
// The macro's parent doesn't correspond to a `mod`, return early (#63164, #65252).
return;
}

13
compiler/rustc_query_impl/src/plumbing.rs
View File

@ -282,11 +282,14 @@ macro_rules! define_queries {
} else {
Some(key.default_span(*tcx))
};
// Use `tcx.hir().opt_def_kind()` to reduce the chance of
// accidentally triggering an infinite query loop.
let def_kind = key.key_as_def_id()
.and_then(|def_id| def_id.as_local())
.and_then(|def_id| tcx.hir().opt_def_kind(def_id));
let def_kind = if kind == dep_graph::DepKind::opt_def_kind {
// Try to avoid infinite recursion.
None
} else {
key.key_as_def_id()
.and_then(|def_id| def_id.as_local())
.and_then(|def_id| tcx.opt_def_kind(def_id))
};
let hash = || {
let mut hcx = tcx.create_stable_hashing_context();
let mut hasher = StableHasher::new();