remove attribute ids from hir stats (they're simply not needed)

This commit is contained in:
Jonathan Dönszelmann 2024-11-03 22:03:13 +01:00
parent 145f9cf95d
commit efaf9ab430
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@ -3,7 +3,7 @@
// completely accurate (some things might be counted twice, others missed).
use rustc_ast::visit::BoundKind;
use rustc_ast::{self as ast, AttrId, NodeId, visit as ast_visit};
use rustc_ast::{self as ast, NodeId, visit as ast_visit};
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_hir as hir;
use rustc_hir::{HirId, intravisit as hir_visit};
@ -13,13 +13,6 @@ use rustc_middle::util::common::to_readable_str;
use rustc_span::Span;
use rustc_span::def_id::LocalDefId;
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
enum Id {
Node(HirId),
Attr(AttrId),
None,
}
struct NodeStats {
count: usize,
size: usize,
@ -62,7 +55,7 @@ impl Node {
struct StatCollector<'k> {
krate: Option<Map<'k>>,
nodes: FxHashMap<&'static str, Node>,
seen: FxHashSet<Id>,
seen: FxHashSet<HirId>,
}
pub fn print_hir_stats(tcx: TyCtxt<'_>) {
@ -87,12 +80,18 @@ pub fn print_ast_stats(krate: &ast::Crate, title: &str, prefix: &str) {
impl<'k> StatCollector<'k> {
// Record a top-level node.
fn record<T>(&mut self, label: &'static str, id: Id, val: &T) {
fn record<T>(&mut self, label: &'static str, id: Option<HirId>, val: &T) {
self.record_inner(label, None, id, val);
}
// Record a two-level entry, with a top-level enum type and a variant.
fn record_variant<T>(&mut self, label1: &'static str, label2: &'static str, id: Id, val: &T) {
fn record_variant<T>(
&mut self,
label1: &'static str,
label2: &'static str,
id: Option<HirId>,
val: &T,
) {
self.record_inner(label1, Some(label2), id, val);
}
@ -100,10 +99,10 @@ impl<'k> StatCollector<'k> {
&mut self,
label1: &'static str,
label2: Option<&'static str>,
id: Id,
id: Option<HirId>,
val: &T,
) {
if id != Id::None && !self.seen.insert(id) {
if id.is_some_and(|x| !self.seen.insert(x)) {
return;
}
@ -191,7 +190,7 @@ macro_rules! record_variants {
impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> {
fn visit_param(&mut self, param: &'v hir::Param<'v>) {
self.record("Param", Id::Node(param.hir_id), param);
self.record("Param", Some(param.hir_id), param);
hir_visit::walk_param(self, param)
}
@ -221,7 +220,7 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_item(&mut self, i: &'v hir::Item<'v>) {
record_variants!((self, i, i.kind, Id::Node(i.hir_id()), hir, Item, ItemKind), [
record_variants!((self, i, i.kind, Some(i.hir_id()), hir, Item, ItemKind), [
ExternCrate,
Use,
Static,
@ -243,47 +242,46 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_body(&mut self, b: &hir::Body<'v>) {
self.record("Body", Id::None, b);
self.record("Body", None, b);
hir_visit::walk_body(self, b);
}
fn visit_mod(&mut self, m: &'v hir::Mod<'v>, _s: Span, n: HirId) {
self.record("Mod", Id::None, m);
self.record("Mod", None, m);
hir_visit::walk_mod(self, m, n)
}
fn visit_foreign_item(&mut self, i: &'v hir::ForeignItem<'v>) {
record_variants!(
(self, i, i.kind, Id::Node(i.hir_id()), hir, ForeignItem, ForeignItemKind),
[Fn, Static, Type]
);
record_variants!((self, i, i.kind, Some(i.hir_id()), hir, ForeignItem, ForeignItemKind), [
Fn, Static, Type
]);
hir_visit::walk_foreign_item(self, i)
}
fn visit_local(&mut self, l: &'v hir::LetStmt<'v>) {
self.record("Local", Id::Node(l.hir_id), l);
self.record("Local", Some(l.hir_id), l);
hir_visit::walk_local(self, l)
}
fn visit_block(&mut self, b: &'v hir::Block<'v>) {
self.record("Block", Id::Node(b.hir_id), b);
self.record("Block", Some(b.hir_id), b);
hir_visit::walk_block(self, b)
}
fn visit_stmt(&mut self, s: &'v hir::Stmt<'v>) {
record_variants!((self, s, s.kind, Id::Node(s.hir_id), hir, Stmt, StmtKind), [
record_variants!((self, s, s.kind, Some(s.hir_id), hir, Stmt, StmtKind), [
Let, Item, Expr, Semi
]);
hir_visit::walk_stmt(self, s)
}
fn visit_arm(&mut self, a: &'v hir::Arm<'v>) {
self.record("Arm", Id::Node(a.hir_id), a);
self.record("Arm", Some(a.hir_id), a);
hir_visit::walk_arm(self, a)
}
fn visit_pat(&mut self, p: &'v hir::Pat<'v>) {
record_variants!((self, p, p.kind, Id::Node(p.hir_id), hir, Pat, PatKind), [
record_variants!((self, p, p.kind, Some(p.hir_id), hir, Pat, PatKind), [
Wild,
Binding,
Struct,
@ -304,12 +302,12 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_pat_field(&mut self, f: &'v hir::PatField<'v>) {
self.record("PatField", Id::Node(f.hir_id), f);
self.record("PatField", Some(f.hir_id), f);
hir_visit::walk_pat_field(self, f)
}
fn visit_expr(&mut self, e: &'v hir::Expr<'v>) {
record_variants!((self, e, e.kind, Id::Node(e.hir_id), hir, Expr, ExprKind), [
record_variants!((self, e, e.kind, Some(e.hir_id), hir, Expr, ExprKind), [
ConstBlock, Array, Call, MethodCall, Tup, Binary, Unary, Lit, Cast, Type, DropTemps,
Let, If, Loop, Match, Closure, Block, Assign, AssignOp, Field, Index, Path, AddrOf,
Break, Continue, Ret, Become, InlineAsm, OffsetOf, Struct, Repeat, Yield, Err
@ -318,12 +316,12 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_expr_field(&mut self, f: &'v hir::ExprField<'v>) {
self.record("ExprField", Id::Node(f.hir_id), f);
self.record("ExprField", Some(f.hir_id), f);
hir_visit::walk_expr_field(self, f)
}
fn visit_ty(&mut self, t: &'v hir::Ty<'v>) {
record_variants!((self, t, t.kind, Id::Node(t.hir_id), hir, Ty, TyKind), [
record_variants!((self, t, t.kind, Some(t.hir_id), hir, Ty, TyKind), [
InferDelegation,
Slice,
Array,
@ -345,17 +343,17 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_generic_param(&mut self, p: &'v hir::GenericParam<'v>) {
self.record("GenericParam", Id::Node(p.hir_id), p);
self.record("GenericParam", Some(p.hir_id), p);
hir_visit::walk_generic_param(self, p)
}
fn visit_generics(&mut self, g: &'v hir::Generics<'v>) {
self.record("Generics", Id::None, g);
self.record("Generics", None, g);
hir_visit::walk_generics(self, g)
}
fn visit_where_predicate(&mut self, p: &'v hir::WherePredicate<'v>) {
record_variants!((self, p, p, Id::None, hir, WherePredicate, WherePredicate), [
record_variants!((self, p, p, None, hir, WherePredicate, WherePredicate), [
BoundPredicate,
RegionPredicate,
EqPredicate
@ -371,66 +369,64 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> {
_: Span,
id: LocalDefId,
) {
self.record("FnDecl", Id::None, fd);
self.record("FnDecl", None, fd);
hir_visit::walk_fn(self, fk, fd, b, id)
}
fn visit_use(&mut self, p: &'v hir::UsePath<'v>, hir_id: HirId) {
// This is `visit_use`, but the type is `Path` so record it that way.
self.record("Path", Id::None, p);
self.record("Path", None, p);
hir_visit::walk_use(self, p, hir_id)
}
fn visit_trait_item(&mut self, ti: &'v hir::TraitItem<'v>) {
record_variants!(
(self, ti, ti.kind, Id::Node(ti.hir_id()), hir, TraitItem, TraitItemKind),
[Const, Fn, Type]
);
record_variants!((self, ti, ti.kind, Some(ti.hir_id()), hir, TraitItem, TraitItemKind), [
Const, Fn, Type
]);
hir_visit::walk_trait_item(self, ti)
}
fn visit_trait_item_ref(&mut self, ti: &'v hir::TraitItemRef) {
self.record("TraitItemRef", Id::Node(ti.id.hir_id()), ti);
self.record("TraitItemRef", Some(ti.id.hir_id()), ti);
hir_visit::walk_trait_item_ref(self, ti)
}
fn visit_impl_item(&mut self, ii: &'v hir::ImplItem<'v>) {
record_variants!(
(self, ii, ii.kind, Id::Node(ii.hir_id()), hir, ImplItem, ImplItemKind),
[Const, Fn, Type]
);
record_variants!((self, ii, ii.kind, Some(ii.hir_id()), hir, ImplItem, ImplItemKind), [
Const, Fn, Type
]);
hir_visit::walk_impl_item(self, ii)
}
fn visit_foreign_item_ref(&mut self, fi: &'v hir::ForeignItemRef) {
self.record("ForeignItemRef", Id::Node(fi.id.hir_id()), fi);
self.record("ForeignItemRef", Some(fi.id.hir_id()), fi);
hir_visit::walk_foreign_item_ref(self, fi)
}
fn visit_impl_item_ref(&mut self, ii: &'v hir::ImplItemRef) {
self.record("ImplItemRef", Id::Node(ii.id.hir_id()), ii);
self.record("ImplItemRef", Some(ii.id.hir_id()), ii);
hir_visit::walk_impl_item_ref(self, ii)
}
fn visit_param_bound(&mut self, b: &'v hir::GenericBound<'v>) {
record_variants!((self, b, b, Id::None, hir, GenericBound, GenericBound), [
record_variants!((self, b, b, None, hir, GenericBound, GenericBound), [
Trait, Outlives, Use
]);
hir_visit::walk_param_bound(self, b)
}
fn visit_field_def(&mut self, s: &'v hir::FieldDef<'v>) {
self.record("FieldDef", Id::Node(s.hir_id), s);
self.record("FieldDef", Some(s.hir_id), s);
hir_visit::walk_field_def(self, s)
}
fn visit_variant(&mut self, v: &'v hir::Variant<'v>) {
self.record("Variant", Id::None, v);
self.record("Variant", None, v);
hir_visit::walk_variant(self, v)
}
fn visit_generic_arg(&mut self, ga: &'v hir::GenericArg<'v>) {
record_variants!((self, ga, ga, Id::Node(ga.hir_id()), hir, GenericArg, GenericArg), [
record_variants!((self, ga, ga, Some(ga.hir_id()), hir, GenericArg, GenericArg), [
Lifetime, Type, Const, Infer
]);
match ga {
@ -442,50 +438,50 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_lifetime(&mut self, lifetime: &'v hir::Lifetime) {
self.record("Lifetime", Id::Node(lifetime.hir_id), lifetime);
self.record("Lifetime", Some(lifetime.hir_id), lifetime);
hir_visit::walk_lifetime(self, lifetime)
}
fn visit_path(&mut self, path: &hir::Path<'v>, _id: HirId) {
self.record("Path", Id::None, path);
self.record("Path", None, path);
hir_visit::walk_path(self, path)
}
fn visit_path_segment(&mut self, path_segment: &'v hir::PathSegment<'v>) {
self.record("PathSegment", Id::None, path_segment);
self.record("PathSegment", None, path_segment);
hir_visit::walk_path_segment(self, path_segment)
}
fn visit_generic_args(&mut self, ga: &'v hir::GenericArgs<'v>) {
self.record("GenericArgs", Id::None, ga);
self.record("GenericArgs", None, ga);
hir_visit::walk_generic_args(self, ga)
}
fn visit_assoc_item_constraint(&mut self, constraint: &'v hir::AssocItemConstraint<'v>) {
self.record("AssocItemConstraint", Id::Node(constraint.hir_id), constraint);
self.record("AssocItemConstraint", Some(constraint.hir_id), constraint);
hir_visit::walk_assoc_item_constraint(self, constraint)
}
fn visit_attribute(&mut self, attr: &'v ast::Attribute) {
self.record("Attribute", Id::Attr(attr.id), attr);
self.record("Attribute", None, attr);
}
fn visit_inline_asm(&mut self, asm: &'v hir::InlineAsm<'v>, id: HirId) {
self.record("InlineAsm", Id::None, asm);
self.record("InlineAsm", None, asm);
hir_visit::walk_inline_asm(self, asm, id);
}
}
impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> {
fn visit_foreign_item(&mut self, i: &'v ast::ForeignItem) {
record_variants!((self, i, i.kind, Id::None, ast, ForeignItem, ForeignItemKind), [
record_variants!((self, i, i.kind, None, ast, ForeignItem, ForeignItemKind), [
Static, Fn, TyAlias, MacCall
]);
ast_visit::walk_item(self, i)
}
fn visit_item(&mut self, i: &'v ast::Item) {
record_variants!((self, i, i.kind, Id::None, ast, Item, ItemKind), [
record_variants!((self, i, i.kind, None, ast, Item, ItemKind), [
ExternCrate,
Use,
Static,
@ -510,34 +506,34 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_local(&mut self, l: &'v ast::Local) {
self.record("Local", Id::None, l);
self.record("Local", None, l);
ast_visit::walk_local(self, l)
}
fn visit_block(&mut self, b: &'v ast::Block) {
self.record("Block", Id::None, b);
self.record("Block", None, b);
ast_visit::walk_block(self, b)
}
fn visit_stmt(&mut self, s: &'v ast::Stmt) {
record_variants!((self, s, s.kind, Id::None, ast, Stmt, StmtKind), [
record_variants!((self, s, s.kind, None, ast, Stmt, StmtKind), [
Let, Item, Expr, Semi, Empty, MacCall
]);
ast_visit::walk_stmt(self, s)
}
fn visit_param(&mut self, p: &'v ast::Param) {
self.record("Param", Id::None, p);
self.record("Param", None, p);
ast_visit::walk_param(self, p)
}
fn visit_arm(&mut self, a: &'v ast::Arm) {
self.record("Arm", Id::None, a);
self.record("Arm", None, a);
ast_visit::walk_arm(self, a)
}
fn visit_pat(&mut self, p: &'v ast::Pat) {
record_variants!((self, p, p.kind, Id::None, ast, Pat, PatKind), [
record_variants!((self, p, p.kind, None, ast, Pat, PatKind), [
Wild,
Ident,
Struct,
@ -563,7 +559,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> {
fn visit_expr(&mut self, e: &'v ast::Expr) {
#[rustfmt::skip]
record_variants!(
(self, e, e.kind, Id::None, ast, Expr, ExprKind),
(self, e, e.kind, None, ast, Expr, ExprKind),
[
Array, ConstBlock, Call, MethodCall, Tup, Binary, Unary, Lit, Cast, Type, Let,
If, While, ForLoop, Loop, Match, Closure, Block, Await, TryBlock, Assign,
@ -576,7 +572,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_ty(&mut self, t: &'v ast::Ty) {
record_variants!((self, t, t.kind, Id::None, ast, Ty, TyKind), [
record_variants!((self, t, t.kind, None, ast, Ty, TyKind), [
Slice,
Array,
Ptr,
@ -603,12 +599,12 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_generic_param(&mut self, g: &'v ast::GenericParam) {
self.record("GenericParam", Id::None, g);
self.record("GenericParam", None, g);
ast_visit::walk_generic_param(self, g)
}
fn visit_where_predicate(&mut self, p: &'v ast::WherePredicate) {
record_variants!((self, p, p, Id::None, ast, WherePredicate, WherePredicate), [
record_variants!((self, p, p, None, ast, WherePredicate, WherePredicate), [
BoundPredicate,
RegionPredicate,
EqPredicate
@ -617,12 +613,12 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_fn(&mut self, fk: ast_visit::FnKind<'v>, _: Span, _: NodeId) {
self.record("FnDecl", Id::None, fk.decl());
self.record("FnDecl", None, fk.decl());
ast_visit::walk_fn(self, fk)
}
fn visit_assoc_item(&mut self, i: &'v ast::AssocItem, ctxt: ast_visit::AssocCtxt) {
record_variants!((self, i, i.kind, Id::None, ast, AssocItem, AssocItemKind), [
record_variants!((self, i, i.kind, None, ast, AssocItem, AssocItemKind), [
Const,
Fn,
Type,
@ -634,19 +630,19 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_param_bound(&mut self, b: &'v ast::GenericBound, _ctxt: BoundKind) {
record_variants!((self, b, b, Id::None, ast, GenericBound, GenericBound), [
record_variants!((self, b, b, None, ast, GenericBound, GenericBound), [
Trait, Outlives, Use
]);
ast_visit::walk_param_bound(self, b)
}
fn visit_field_def(&mut self, s: &'v ast::FieldDef) {
self.record("FieldDef", Id::None, s);
self.record("FieldDef", None, s);
ast_visit::walk_field_def(self, s)
}
fn visit_variant(&mut self, v: &'v ast::Variant) {
self.record("Variant", Id::None, v);
self.record("Variant", None, v);
ast_visit::walk_variant(self, v)
}
@ -660,7 +656,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> {
// common than the former case, so we implement this visitor and tolerate
// the double counting in the former case.
fn visit_path_segment(&mut self, path_segment: &'v ast::PathSegment) {
self.record("PathSegment", Id::None, path_segment);
self.record("PathSegment", None, path_segment);
ast_visit::walk_path_segment(self, path_segment)
}
@ -669,7 +665,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> {
// common, so we implement `visit_generic_args` and tolerate the double
// counting in the former case.
fn visit_generic_args(&mut self, g: &'v ast::GenericArgs) {
record_variants!((self, g, g, Id::None, ast, GenericArgs, GenericArgs), [
record_variants!((self, g, g, None, ast, GenericArgs, GenericArgs), [
AngleBracketed,
Parenthesized,
ParenthesizedElided
@ -678,24 +674,24 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> {
}
fn visit_attribute(&mut self, attr: &'v ast::Attribute) {
record_variants!((self, attr, attr.kind, Id::None, ast, Attribute, AttrKind), [
record_variants!((self, attr, attr.kind, None, ast, Attribute, AttrKind), [
Normal, DocComment
]);
ast_visit::walk_attribute(self, attr)
}
fn visit_expr_field(&mut self, f: &'v ast::ExprField) {
self.record("ExprField", Id::None, f);
self.record("ExprField", None, f);
ast_visit::walk_expr_field(self, f)
}
fn visit_crate(&mut self, krate: &'v ast::Crate) {
self.record("Crate", Id::None, krate);
self.record("Crate", None, krate);
ast_visit::walk_crate(self, krate)
}
fn visit_inline_asm(&mut self, asm: &'v ast::InlineAsm) {
self.record("InlineAsm", Id::None, asm);
self.record("InlineAsm", None, asm);
ast_visit::walk_inline_asm(self, asm)
}
}