bjoernager/rust
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Remove support for gen arg

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Alex Crichton 2017-07-11 12:57:05 -07:00 • committed by John Kåre Alsaker
parent 93172045c8
commit 09a5d319ab
68 changed files with 106 additions and 508 deletions
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14
src/libsyntax/parse/parser.rs
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@ -2146,12 +2146,6 @@ impl<'a> Parser<'a> {
assert!(self.eat_keyword(keywords::Catch));
return self.parse_catch_expr(lo, attrs);
}
if self.is_gen_arg() {
assert!(self.eat_keyword(keywords::Gen));
assert!(self.eat_keyword(keywords::Arg));
let hi = self.prev_span;
return Ok(self.mk_expr(lo.to(hi), ExprKind::ImplArg, attrs));
}
if self.eat_keyword(keywords::Return) {
if self.token.can_begin_expr() {
let e = self.parse_expr()?;
@ -3710,11 +3704,6 @@ impl<'a> Parser<'a> {
self.look_ahead(1, |t| t.is_ident() && !t.is_reserved_ident())
}
fn is_gen_arg(&self) -> bool {
self.token.is_keyword(keywords::Gen) &&
self.look_ahead(1, |t| t.is_keyword(keywords::Arg))
}
fn is_defaultness(&self) -> bool {
// `pub` is included for better error messages
self.token.is_keyword(keywords::Default) &&
@ -3818,8 +3807,7 @@ impl<'a> Parser<'a> {
// Starts like a simple path, but not a union item.
} else if self.token.is_path_start() &&
!self.token.is_qpath_start() &&
!self.is_union_item() &&
!self.is_gen_arg() {
!self.is_union_item() {
let pth = self.parse_path(PathStyle::Expr)?;
if !self.eat(&token::Not) {