bjoernager/rust
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Mark Parser::eat/check methods as must_use

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This commit is contained in:
Michael Goulet 2024-07-29 21:21:15 -04:00
parent 612a33f20b
commit e4076e34f8
9 changed files with 44 additions and 13 deletions
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7
compiler/rustc_parse/src/parser/item.rs
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@ -1192,13 +1192,14 @@ impl<'a> Parser<'a> {
mut safety: Safety,
) -> PResult<'a, ItemInfo> {
let abi = self.parse_abi(); // ABI?
// FIXME: This recovery should be tested better.
if safety == Safety::Default
&& self.token.is_keyword(kw::Unsafe)
&& self.look_ahead(1, |t| t.kind == token::OpenDelim(Delimiter::Brace))
{
self.expect(&token::OpenDelim(Delimiter::Brace)).unwrap_err().emit();
safety = Safety::Unsafe(self.token.span);
self.eat_keyword(kw::Unsafe);
let _ = self.eat_keyword(kw::Unsafe);
}
let module = ast::ForeignMod {
safety,
@ -1759,7 +1760,7 @@ impl<'a> Parser<'a> {
}
}
}
self.eat(&token::CloseDelim(Delimiter::Brace));
self.expect(&token::CloseDelim(Delimiter::Brace))?;
} else {
let token_str = super::token_descr(&self.token);
let where_str = if parsed_where { "" } else { "`where`, or " };
@ -1902,7 +1903,7 @@ impl<'a> Parser<'a> {
if let Some(_guar) = guar {
// Handle a case like `Vec<u8>>,` where we can continue parsing fields
// after the comma
self.eat(&token::Comma);
let _ = self.eat(&token::Comma);
// `check_trailing_angle_brackets` already emitted a nicer error, as
// proven by the presence of `_guar`. We can continue parsing.