self.sess.diagnostic()
}
- fn str_to_ident(&self, s: &'static str) -> Ident {
- Ident::with_empty_ctxt(Symbol::gensym(s))
- }
-
fn with_anonymous_lifetime_mode<R>(
&mut self,
anonymous_lifetime_mode: AnonymousLifetimeMode,
);
head.span = desugared_span;
- let iter = self.str_to_ident("iter");
+ let iter = Ident::with_empty_ctxt(sym::iter);
- let next_ident = self.str_to_ident("__next");
+ let next_ident = Ident::with_empty_ctxt(sym::__next);
let (next_pat, next_pat_hid) = self.pat_ident_binding_mode(
desugared_span,
next_ident,
hir::BindingAnnotation::Mutable,
);
- // `::std::option::Option::Some(val) => next = val`
+ // `::std::option::Option::Some(val) => __next = val`
let pat_arm = {
- let val_ident = self.str_to_ident("val");
+ let val_ident = Ident::with_empty_ctxt(sym::val);
let (val_pat, val_pat_hid) = self.pat_ident(pat.span, val_ident);
let val_expr = P(self.expr_ident(pat.span, val_ident, val_pat_hid));
let next_expr = P(self.expr_ident(pat.span, next_ident, next_pat_hid));
let unstable_span = self.sess.source_map().mark_span_with_reason(
CompilerDesugaringKind::QuestionMark,
e.span,
- Some(vec![
- Symbol::intern("try_trait")
- ].into()),
+ Some(vec![sym::try_trait].into()),
);
let try_span = self.sess.source_map().end_point(e.span);
let try_span = self.sess.source_map().mark_span_with_reason(
CompilerDesugaringKind::QuestionMark,
try_span,
- Some(vec![
- Symbol::intern("try_trait")
- ].into()),
+ Some(vec![sym::try_trait].into()),
);
// `Try::into_result(<expr>)`
// `allow(unreachable_code)`
let allow = {
let allow_ident = Ident::with_empty_ctxt(sym::allow).with_span_pos(e.span);
- let uc_ident = Ident::from_str("unreachable_code").with_span_pos(e.span);
+ let uc_ident = Ident::with_empty_ctxt(sym::unreachable_code)
+ .with_span_pos(e.span);
let uc_nested = attr::mk_nested_word_item(uc_ident);
attr::mk_list_item(e.span, allow_ident, vec![uc_nested])
};
// `Ok(val) => #[allow(unreachable_code)] val,`
let ok_arm = {
- let val_ident = self.str_to_ident("val");
+ let val_ident = Ident::with_empty_ctxt(sym::val);
let (val_pat, val_pat_nid) = self.pat_ident(e.span, val_ident);
let val_expr = P(self.expr_ident_with_attrs(
e.span,
// `Err(err) => #[allow(unreachable_code)]
// return Try::from_error(From::from(err)),`
let err_arm = {
- let err_ident = self.str_to_ident("err");
+ let err_ident = Ident::with_empty_ctxt(sym::err);
let (err_local, err_local_nid) = self.pat_ident(try_span, err_ident);
let from_expr = {
let from_path = &[sym::convert, sym::From, sym::from];
// match ::std::future::poll_with_tls_context(unsafe {
// ::std::pin::Pin::new_unchecked(&mut pinned)
// }) {
- // ::std::task::Poll::Ready(x) => break x,
+ // ::std::task::Poll::Ready(result) => break result,
// ::std::task::Poll::Pending => {},
// }
// yield ();
let gen_future_span = self.sess.source_map().mark_span_with_reason(
CompilerDesugaringKind::Await,
await_span,
- Some(vec![Symbol::intern("gen_future")].into()),
+ Some(vec![sym::gen_future].into()),
);
// let mut pinned = <expr>;
let expr = P(self.lower_expr(expr));
- let pinned_ident = self.str_to_ident("pinned");
+ let pinned_ident = Ident::with_empty_ctxt(sym::pinned);
let (pinned_pat, pinned_pat_hid) = self.pat_ident_binding_mode(
span,
pinned_ident,
))
};
- // `::std::task::Poll::Ready(x) => break x`
+ // `::std::task::Poll::Ready(result) => break result`
let loop_node_id = self.sess.next_node_id();
let loop_hir_id = self.lower_node_id(loop_node_id);
let ready_arm = {
- let x_ident = self.str_to_ident("x");
+ let x_ident = Ident::with_empty_ctxt(sym::result);
let (x_pat, x_pat_hid) = self.pat_ident(span, x_ident);
let x_expr = P(self.expr_ident(span, x_ident, x_pat_hid));
let ready_pat = self.pat_std_enum(