Reorder Parser::parse_expr_dot_or_call_with arguments.

Put `attrs` before `e0` because that matches the order in the source
code, where outer attributes appear before expressions.
This commit is contained in:
Nicholas Nethercote 2024-07-16 15:54:34 +10:00
parent 48cdfc388d
commit d247489ac2
3 changed files with 5 additions and 5 deletions

View File

@ -885,15 +885,15 @@ impl<'a> Parser<'a> {
self.collect_tokens_for_expr(attrs, |this, attrs| {
let base = this.parse_expr_bottom()?;
let span = this.interpolated_or_expr_span(&base);
this.parse_expr_dot_or_call_with(base, span, attrs)
this.parse_expr_dot_or_call_with(attrs, base, span)
})
}
pub(super) fn parse_expr_dot_or_call_with(
&mut self,
mut attrs: ast::AttrVec,
e0: P<Expr>,
lo: Span,
mut attrs: ast::AttrVec,
) -> PResult<'a, P<Expr>> {
// Stitch the list of outer attributes onto the return value.
// A little bit ugly, but the best way given the current code

View File

@ -388,9 +388,9 @@ impl<'a> Parser<'a> {
// Parse `?`, `.f`, `(arg0, arg1, ...)` or `[expr]` until they've all been eaten.
if let Ok(expr) = snapshot
.parse_expr_dot_or_call_with(
AttrVec::new(),
self.mk_expr(pat_span, ExprKind::Dummy), // equivalent to transforming the parsed pattern into an `Expr`
pat_span,
AttrVec::new(),
)
.map_err(|err| err.cancel())
{

View File

@ -164,7 +164,7 @@ impl<'a> Parser<'a> {
};
let expr = this.with_res(Restrictions::STMT_EXPR, |this| {
this.parse_expr_dot_or_call_with(expr, lo, attrs)
this.parse_expr_dot_or_call_with(attrs, expr, lo)
})?;
// `DUMMY_SP` will get overwritten later in this function
Ok((this.mk_stmt(rustc_span::DUMMY_SP, StmtKind::Expr(expr)), TrailingToken::None))
@ -206,7 +206,7 @@ impl<'a> Parser<'a> {
// Since none of the above applied, this is an expression statement macro.
let e = self.mk_expr(lo.to(hi), ExprKind::MacCall(mac));
let e = self.maybe_recover_from_bad_qpath(e)?;
let e = self.parse_expr_dot_or_call_with(e, lo, attrs)?;
let e = self.parse_expr_dot_or_call_with(attrs, e, lo)?;
let e = self
.parse_expr_assoc_with(0, LhsExpr::Parsed { expr: e, starts_statement: false })?;
StmtKind::Expr(e)