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More detail when expecting expression but encountering bad macro argument

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Partially address #71039.
This commit is contained in:
Esteban Küber 2023-07-31 14:55:47 +00:00
parent 1be1e84872
commit 4e418805da
27 changed files with 200 additions and 67 deletions
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4
compiler/rustc_parse/src/parser/item.rs
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@ -123,7 +123,7 @@ impl<'a> Parser<'a> {
// Don't use `maybe_whole` so that we have precise control
// over when we bump the parser
if let token::Interpolated(nt) = &self.token.kind
&& let token::NtItem(item) = &**nt
&& let token::NtItem(item) = &nt.0
{
let mut item = item.clone();
self.bump();
@ -2750,7 +2750,7 @@ impl<'a> Parser<'a> {
fn is_named_param(&self) -> bool {
let offset = match &self.token.kind {
token::Interpolated(nt) => match **nt {
token::Interpolated(nt) => match &nt.0 {
token::NtPat(..) => return self.look_ahead(1, |t| t == &token::Colon),
_ => 0,
},