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Rollup merge of #106403 - compiler-errors:rename-hir-methods, r=cjgillot

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Rename `hir::Map::{get_,find_}parent_node` to `hir::Map::{,opt_}parent_id`, and add `hir::Map::{get,find}_parent`

The `hir::Map::get_parent_node` function doesn't return a `Node`, and I think that's quite confusing. Let's rename it to something that sounds more like something that gets the parent hir id => `hir::Map::parent_id`. Same with `find_parent_node` => `opt_parent_id`.

Also, combine `hir.get(hir.parent_id(hir_id))` and similar `hir.find(hir.parent_id(hir_id))` function into new functions that actually retrieve the parent node in one call. This last commit is the only one that might need to be looked at closely.
This commit is contained in:
Michael Goulet 2023-01-04 20:36:28 -08:00 • committed by GitHub
commit 5ce6311f34
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54 changed files with 170 additions and 179 deletions
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12
compiler/rustc_mir_build/src/thir/pattern/check_match.rs
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@ -247,14 +247,14 @@ impl<'p, 'tcx> MatchVisitor<'_, 'p, 'tcx> {
fn check_let_chain(&mut self, cx: &mut MatchCheckCtxt<'p, 'tcx>, pat_id: HirId) -> bool {
let hir = self.tcx.hir();
let parent = hir.get_parent_node(pat_id);
let parent = hir.parent_id(pat_id);
// First, figure out if the given pattern is part of a let chain,
// and if so, obtain the top node of the chain.
let mut top = parent;
let mut part_of_chain = false;
loop {
let new_top = hir.get_parent_node(top);
let new_top = hir.parent_id(top);
if let hir::Node::Expr(
hir::Expr {
kind: hir::ExprKind::Binary(Spanned { node: hir::BinOpKind::And, .. }, lhs, rhs),
@ -1054,7 +1054,7 @@ pub enum LetSource {
fn let_source(tcx: TyCtxt<'_>, pat_id: HirId) -> LetSource {
let hir = tcx.hir();
let parent = hir.get_parent_node(pat_id);
let parent = hir.parent_id(pat_id);
let_source_parent(tcx, parent, Some(pat_id))
}
@ -1073,7 +1073,7 @@ fn let_source_parent(tcx: TyCtxt<'_>, parent: HirId, pat_id: Option<HirId>) -> L
_ => {}
}
let parent_parent = hir.get_parent_node(parent);
let parent_parent = hir.parent_id(parent);
let parent_parent_node = hir.get(parent_parent);
match parent_parent_node {
hir::Node::Stmt(hir::Stmt { kind: hir::StmtKind::Local(_), .. }) => {
@ -1085,8 +1085,8 @@ fn let_source_parent(tcx: TyCtxt<'_>, parent: HirId, pat_id: Option<HirId>) -> L
_ => {}
}
let parent_parent_parent = hir.get_parent_node(parent_parent);
let parent_parent_parent_parent = hir.get_parent_node(parent_parent_parent);
let parent_parent_parent = hir.parent_id(parent_parent);
let parent_parent_parent_parent = hir.parent_id(parent_parent_parent);
let parent_parent_parent_parent_node = hir.get(parent_parent_parent_parent);
if let hir::Node::Expr(hir::Expr {