bjoernager/rust
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Add SyntaxContext::is_root

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This commit is contained in:
Maybe Waffle 2023-06-16 13:45:48 +00:00
parent 99b334696f
commit 73c5c97de7
4 changed files with 20 additions and 15 deletions
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13
compiler/rustc_span/src/hygiene.rs
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@ -507,7 +507,7 @@ impl HygieneData {
self.normalize_to_macro_rules(call_site_ctxt)
};
if call_site_ctxt == SyntaxContext::root() {
if call_site_ctxt.is_root() {
return self.apply_mark_internal(ctxt, expn_id, transparency);
}
@ -671,12 +671,17 @@ impl SyntaxContext {
}
#[inline]
pub(crate) fn as_u32(self) -> u32 {
pub const fn is_root(self) -> bool {
self.0 == SyntaxContext::root().as_u32()
}
#[inline]
pub(crate) const fn as_u32(self) -> u32 {
self.0
}
#[inline]
pub(crate) fn from_u32(raw: u32) -> SyntaxContext {
pub(crate) const fn from_u32(raw: u32) -> SyntaxContext {
SyntaxContext(raw)
}
@ -1500,7 +1505,7 @@ impl<CTX: HashStableContext> HashStable<CTX> for SyntaxContext {
const TAG_EXPANSION: u8 = 0;
const TAG_NO_EXPANSION: u8 = 1;
if *self == SyntaxContext::root() {
if self.is_root() {
TAG_NO_EXPANSION.hash_stable(ctx, hasher);
} else {
TAG_EXPANSION.hash_stable(ctx, hasher);