Auto merge of #99521 - fee1-dead-contrib:const_fix_hax, r=oli-obk

[rust.git] / compiler / rustc_ast_lowering / src / item.rs

diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs
index 0ef213716945c88fee80e0c041b83b574a3368f0..7da49143b461e2a785038bf64cab2ff490581b83 100644 (file)
--- a/compiler/rustc_ast_lowering/src/item.rs
+++ b/compiler/rustc_ast_lowering/src/item.rs
@@ -1,7 +1,6 @@
 use super::ResolverAstLoweringExt;
 use super::{AstOwner, ImplTraitContext, ImplTraitPosition};
-use super::{LoweringContext, ParamMode};
-use crate::{Arena, FnDeclKind};
+use super::{FnDeclKind, LoweringContext, ParamMode};
 
 use rustc_ast::ptr::P;
 use rustc_ast::visit::AssocCtxt;
@@ -12,12 +11,9 @@
 use rustc_hir as hir;
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::def_id::{LocalDefId, CRATE_DEF_ID};
-use rustc_hir::definitions::Definitions;
 use rustc_hir::PredicateOrigin;
 use rustc_index::vec::{Idx, IndexVec};
-use rustc_middle::ty::{ResolverAstLowering, ResolverOutputs};
-use rustc_session::cstore::CrateStoreDyn;
-use rustc_session::Session;
+use rustc_middle::ty::{DefIdTree, ResolverAstLowering, TyCtxt};
 use rustc_span::source_map::DesugaringKind;
 use rustc_span::symbol::{kw, sym, Ident};
 use rustc_span::Span;
@@ -27,12 +23,8 @@
 use std::iter;
 
 pub(super) struct ItemLowerer<'a, 'hir> {
-    pub(super) sess: &'a Session,
-    pub(super) definitions: &'a mut Definitions,
-    pub(super) cstore: &'a CrateStoreDyn,
-    pub(super) resolutions: &'a ResolverOutputs,
+    pub(super) tcx: TyCtxt<'hir>,
     pub(super) resolver: &'a mut ResolverAstLowering,
-    pub(super) arena: &'hir Arena<'hir>,
     pub(super) ast_index: &'a IndexVec<LocalDefId, AstOwner<'a>>,
     pub(super) owners: &'a mut IndexVec<LocalDefId, hir::MaybeOwner<&'hir hir::OwnerInfo<'hir>>>,
 }
@@ -65,12 +57,9 @@ fn with_lctx(
     ) {
         let mut lctx = LoweringContext {
             // Pseudo-globals.
-            sess: &self.sess,
-            definitions: self.definitions,
-            cstore: self.cstore,
-            resolutions: self.resolutions,
+            tcx: self.tcx,
             resolver: self.resolver,
-            arena: self.arena,
+            arena: self.tcx.hir_arena,
 
             // HirId handling.
             bodies: Vec::new(),
@@ -144,12 +133,7 @@ fn lower_item(&mut self, item: &Item) {
     fn lower_assoc_item(&mut self, item: &AssocItem, ctxt: AssocCtxt) {
         let def_id = self.resolver.node_id_to_def_id[&item.id];
 
-        let parent_id = {
-            let parent = self.definitions.def_key(def_id).parent;
-            let local_def_index = parent.unwrap();
-            LocalDefId { local_def_index }
-        };
-
+        let parent_id = self.tcx.local_parent(def_id);
         let parent_hir = self.lower_node(parent_id).unwrap();
         self.with_lctx(item.id, |lctx| {
             // Evaluate with the lifetimes in `params` in-scope.
@@ -1272,13 +1256,13 @@ pub(super) fn lower_abi(&mut self, abi: StrLit) -> abi::Abi {
     pub(super) fn lower_extern(&mut self, ext: Extern) -> abi::Abi {
         match ext {
             Extern::None => abi::Abi::Rust,
-            Extern::Implicit => abi::Abi::FALLBACK,
-            Extern::Explicit(abi) => self.lower_abi(abi),
+            Extern::Implicit(_) => abi::Abi::FALLBACK,
+            Extern::Explicit(abi, _) => self.lower_abi(abi),
         }
     }
 
     fn error_on_invalid_abi(&self, abi: StrLit) {
-        struct_span_err!(self.sess, abi.span, E0703, "invalid ABI: found `{}`", abi.symbol)
+        struct_span_err!(self.tcx.sess, abi.span, E0703, "invalid ABI: found `{}`", abi.symbol)
             .span_label(abi.span, "invalid ABI")
             .help(&format!("valid ABIs: {}", abi::all_names().join(", ")))
             .emit();