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Import NonterminalKind in compiler/rustc_expand/src/mbe/quoted.rs.

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So we can omit the `token::` qualifier, which gives more space to some
cramped code.
This commit is contained in:
Nicholas Nethercote 2024-06-23 08:07:55 +10:00
parent f944afe380
commit 470b0e9c3c
1 changed files with 25 additions and 30 deletions
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55
compiler/rustc_expand/src/mbe/quoted.rs
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@ -2,7 +2,7 @@
use crate::mbe::macro_parser::count_metavar_decls;
use crate::mbe::{Delimited, KleeneOp, KleeneToken, MetaVarExpr, SequenceRepetition, TokenTree};
use rustc_ast::token::{self, Delimiter, IdentIsRaw, Token};
use rustc_ast::token::{self, Delimiter, IdentIsRaw, NonterminalKind, Token};
use rustc_ast::{tokenstream, NodeId};
use rustc_ast_pretty::pprust;
use rustc_feature::Features;
@ -85,36 +85,31 @@ pub(super) fn parse(
span.edition()
}
};
let kind =
token::NonterminalKind::from_symbol(fragment.name, edition)
.unwrap_or_else(|| {
let help = match fragment.name {
sym::expr_2021 => {
format!(
"fragment specifier `expr_2021` \
requires Rust 2021 or later\n\
{VALID_FRAGMENT_NAMES_MSG}"
)
}
_ if edition().at_least_rust_2021()
&& features
.expr_fragment_specifier_2024 =>
{
VALID_FRAGMENT_NAMES_MSG_2021.into()
}
_ => VALID_FRAGMENT_NAMES_MSG.into(),
};
sess.dcx().emit_err(
errors::InvalidFragmentSpecifier {
span,
fragment,
help,
},
);
token::NonterminalKind::Ident
let kind = NonterminalKind::from_symbol(fragment.name, edition)
.unwrap_or_else(|| {
let help = match fragment.name {
sym::expr_2021 => {
format!(
"fragment specifier `expr_2021` \
requires Rust 2021 or later\n\
{VALID_FRAGMENT_NAMES_MSG}"
)
}
_ if edition().at_least_rust_2021()
&& features.expr_fragment_specifier_2024 =>
{
VALID_FRAGMENT_NAMES_MSG_2021.into()
}
_ => VALID_FRAGMENT_NAMES_MSG.into(),
};
sess.dcx().emit_err(errors::InvalidFragmentSpecifier {
span,
fragment,
help,
});
if kind
== (token::NonterminalKind::Expr2021 { inferred: false })
NonterminalKind::Ident
});
if kind == (NonterminalKind::Expr2021 { inferred: false })
&& !features.expr_fragment_specifier_2024
{
rustc_session::parse::feature_err(