bjoernager/rust
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Add hir::Attribute

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This commit is contained in:
Jonathan Dönszelmann 2024-10-17 01:14:01 +02:00
parent 53b2c7cc95
commit d50c0a5480
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89 changed files with 1144 additions and 659 deletions
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28
compiler/rustc_query_system/src/ich/impls_syntax.rs
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@ -1,18 +1,17 @@
//! This module contains `HashStable` implementations for various data types
//! from `rustc_ast` in no particular order.
//! from various crates in no particular order.
use std::assert_matches::assert_matches;
use rustc_ast as ast;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_hir as hir;
use rustc_span::SourceFile;
use smallvec::SmallVec;
use crate::ich::StableHashingContext;
impl<'ctx> rustc_target::HashStableContext for StableHashingContext<'ctx> {}
impl<'ctx> rustc_ast::HashStableContext for StableHashingContext<'ctx> {}
impl<'a> HashStable<StableHashingContext<'a>> for [ast::Attribute] {
impl<'a> HashStable<StableHashingContext<'a>> for [hir::Attribute] {
fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) {
if self.is_empty() {
self.len().hash_stable(hcx, hasher);
@ -20,7 +19,7 @@ impl<'a> HashStable<StableHashingContext<'a>> for [ast::Attribute] {
}
// Some attributes are always ignored during hashing.
let filtered: SmallVec<[&ast::Attribute; 8]> = self
let filtered: SmallVec<[&hir::Attribute; 8]> = self
.iter()
.filter(|attr| {
!attr.is_doc_comment()
@ -35,30 +34,23 @@ impl<'a> HashStable<StableHashingContext<'a>> for [ast::Attribute] {
}
}
impl<'ctx> rustc_ast::HashStableContext for StableHashingContext<'ctx> {
fn hash_attr(&mut self, attr: &ast::Attribute, hasher: &mut StableHasher) {
impl<'ctx> rustc_hir::HashStableContext for StableHashingContext<'ctx> {
fn hash_attr(&mut self, attr: &hir::Attribute, hasher: &mut StableHasher) {
// Make sure that these have been filtered out.
debug_assert!(!attr.ident().is_some_and(|ident| self.is_ignored_attr(ident.name)));
debug_assert!(!attr.is_doc_comment());
let ast::Attribute { kind, id: _, style, span } = attr;
if let ast::AttrKind::Normal(normal) = kind {
normal.item.hash_stable(self, hasher);
let hir::Attribute { kind, id: _, style, span } = attr;
if let hir::AttrKind::Normal(item) = kind {
item.hash_stable(self, hasher);
style.hash_stable(self, hasher);
span.hash_stable(self, hasher);
assert_matches!(
normal.tokens.as_ref(),
None,
"Tokens should have been removed during lowering!"
);
} else {
unreachable!();
}
}
}
impl<'ctx> rustc_hir::HashStableContext for StableHashingContext<'ctx> {}
impl<'a> HashStable<StableHashingContext<'a>> for SourceFile {
fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) {
let SourceFile {