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Streamline nested calls.

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`TyCtxt` impls `PpAnn` in `compiler/rustc_middle/src/hir/map/mod.rs`. We
can call that impl, which then calls the one on `intravisit::Map`,
instead of calling the one on `intravisit::Map` directly, avoiding a
cast and extra references.
This commit is contained in:
Nicholas Nethercote 2024-05-30 10:51:11 +10:00
parent a6416d8907
commit 4798c20d31
1 changed files with 2 additions and 8 deletions
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10
compiler/rustc_driver_impl/src/pretty.rs
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@ -3,7 +3,6 @@
use rustc_ast as ast;
use rustc_ast_pretty::pprust as pprust_ast;
use rustc_errors::FatalError;
use rustc_hir as hir;
use rustc_hir_pretty as pprust_hir;
use rustc_middle::bug;
use rustc_middle::mir::{write_mir_graphviz, write_mir_pretty};
@ -70,11 +69,7 @@ struct HirIdentifiedAnn<'tcx> {
impl<'tcx> pprust_hir::PpAnn for HirIdentifiedAnn<'tcx> {
fn nested(&self, state: &mut pprust_hir::State<'_>, nested: pprust_hir::Nested) {
pprust_hir::PpAnn::nested(
&(&self.tcx.hir() as &dyn hir::intravisit::Map<'_>),
state,
nested,
)
self.tcx.nested(state, nested)
}
fn pre(&self, s: &mut pprust_hir::State<'_>, node: pprust_hir::AnnNode<'_>) {
@ -152,8 +147,7 @@ impl<'tcx> pprust_hir::PpAnn for HirTypedAnn<'tcx> {
if let pprust_hir::Nested::Body(id) = nested {
self.maybe_typeck_results.set(Some(self.tcx.typeck_body(id)));
}
let pp_ann = &(&self.tcx.hir() as &dyn hir::intravisit::Map<'_>);
pprust_hir::PpAnn::nested(pp_ann, state, nested);
self.tcx.nested(state, nested);
self.maybe_typeck_results.set(old_maybe_typeck_results);
}