bjoernager/rust
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restore emplacement syntax (obsolete)

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This commit is contained in:
Niko Matsakis 2018-05-24 17:34:09 -04:00
parent 07465222ca
commit 01d6ed525f
11 changed files with 97 additions and 6 deletions
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13
src/libsyntax/parse/parser.rs
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@ -2839,6 +2839,17 @@ impl<'a> Parser<'a> {
let (span, e) = self.interpolated_or_expr_span(e)?;
(lo.to(span), ExprKind::AddrOf(m, e))
}
token::Ident(..) if self.token.is_keyword(keywords::In) => {
self.bump();
let place = self.parse_expr_res(
Restrictions::NO_STRUCT_LITERAL,
None,
)?;
let blk = self.parse_block()?;
let span = blk.span;
let blk_expr = self.mk_expr(span, ExprKind::Block(blk, None), ThinVec::new());
(lo.to(span), ExprKind::ObsoleteInPlace(place, blk_expr))
}
token::Ident(..) if self.token.is_keyword(keywords::Box) => {
self.bump();
let e = self.parse_prefix_expr(None);
@ -3042,6 +3053,8 @@ impl<'a> Parser<'a> {
}
AssocOp::Assign =>
self.mk_expr(span, ExprKind::Assign(lhs, rhs), ThinVec::new()),
AssocOp::ObsoleteInPlace =>
self.mk_expr(span, ExprKind::ObsoleteInPlace(lhs, rhs), ThinVec::new()),
AssocOp::AssignOp(k) => {
let aop = match k {
token::Plus => BinOpKind::Add,