From 9137960c899b7d8893c79df2cef9c8effbe4280a Mon Sep 17 00:00:00 2001 From: pierwill Date: Sun, 31 Oct 2021 13:34:19 -0500 Subject: [PATCH] Remove `rustc_hir::hir_id::HirIdVec` --- compiler/rustc_hir/src/hir_id.rs | 68 -------------------------------- 1 file changed, 68 deletions(-) diff --git a/compiler/rustc_hir/src/hir_id.rs b/compiler/rustc_hir/src/hir_id.rs index 877871f7c3d80..39552eb9f3102 100644 --- a/compiler/rustc_hir/src/hir_id.rs +++ b/compiler/rustc_hir/src/hir_id.rs @@ -1,5 +1,4 @@ use crate::def_id::{LocalDefId, CRATE_DEF_INDEX}; -use rustc_index::vec::IndexVec; use std::fmt; /// Uniquely identifies a node in the HIR of the current crate. It is @@ -66,70 +65,3 @@ pub const CRATE_HIR_ID: HirId = HirId { owner: LocalDefId { local_def_index: CRATE_DEF_INDEX }, local_id: ItemLocalId::from_u32(0), }; - -/// N.B. This collection is currently unused, but will be used by #72015 and future PRs. -#[derive(Clone, Default, Debug, Encodable, Decodable)] -pub struct HirIdVec { - map: IndexVec>, -} - -impl HirIdVec { - pub fn push_owner(&mut self, id: LocalDefId) { - self.map.ensure_contains_elem(id, IndexVec::new); - } - - pub fn push(&mut self, id: HirId, value: T) { - if id.local_id == ItemLocalId::from_u32(0) { - self.push_owner(id.owner); - } - let submap = &mut self.map[id.owner]; - let _ret_id = submap.push(value); - debug_assert_eq!(_ret_id, id.local_id); - } - - pub fn push_sparse(&mut self, id: HirId, value: T) - where - T: Default, - { - self.map.ensure_contains_elem(id.owner, IndexVec::new); - let submap = &mut self.map[id.owner]; - let i = id.local_id.index(); - let len = submap.len(); - if i >= len { - submap.extend(std::iter::repeat_with(T::default).take(i - len + 1)); - } - submap[id.local_id] = value; - } - - pub fn get(&self, id: HirId) -> Option<&T> { - self.map.get(id.owner)?.get(id.local_id) - } - - pub fn get_owner(&self, id: LocalDefId) -> &IndexVec { - &self.map[id] - } - - pub fn iter(&self) -> impl Iterator { - self.map.iter().flat_map(|la| la.iter()) - } - - pub fn iter_enumerated(&self) -> impl Iterator { - self.map.iter_enumerated().flat_map(|(owner, la)| { - la.iter_enumerated().map(move |(local_id, attr)| (HirId { owner, local_id }, attr)) - }) - } -} - -impl std::ops::Index for HirIdVec { - type Output = T; - - fn index(&self, id: HirId) -> &T { - &self.map[id.owner][id.local_id] - } -} - -impl std::ops::IndexMut for HirIdVec { - fn index_mut(&mut self, id: HirId) -> &mut T { - &mut self.map[id.owner][id.local_id] - } -}