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Refactor handle_missing_lit.

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This commit is contained in:
Nicholas Nethercote 2023-02-01 16:47:04 +11:00
parent 8826b68c62
commit 93eeb12724
1 changed files with 8 additions and 14 deletions
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14
compiler/rustc_parse/src/parser/expr.rs
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@ -1843,21 +1843,15 @@ fn handle_missing_lit<L>(
&mut self,
mk_lit_char: impl FnOnce(Symbol, Span) -> L,
) -> PResult<'a, L> {
if let token::Interpolated(inner) = &self.token.kind {
let expr = match inner.as_ref() {
token::NtExpr(expr) => Some(expr),
token::NtLiteral(expr) => Some(expr),
_ => None,
};
if let Some(expr) = expr {
if matches!(expr.kind, ExprKind::Err) {
if let token::Interpolated(nt) = &self.token.kind
&& let token::NtExpr(e) | token::NtLiteral(e) = &**nt
&& matches!(e.kind, ExprKind::Err)
{
let mut err = errors::InvalidInterpolatedExpression { span: self.token.span }
.into_diagnostic(&self.sess.span_diagnostic);
err.downgrade_to_delayed_bug();
return Err(err);
}
}
}
let token = self.token.clone();
let err = |self_: &Self| {
let msg = format!("unexpected token: {}", super::token_descr(&token));