}
fn lower_ty_param(&mut self, tp: &TyParam) -> hir::TyParam {
+ let mut name = tp.ident.name;
+
+ // Don't expose `Self` (recovered "keyword used as ident" parse error).
+ // `rustc::ty` expects `Self` to be only used for a trait's `Self`.
+ // Instead, use gensym("Self") to create a distinct name that looks the same.
+ if name == token::keywords::SelfType.name() {
+ name = token::gensym("Self");
+ }
+
hir::TyParam {
id: tp.id,
- name: tp.ident.name,
+ name: name,
bounds: self.lower_bounds(&tp.bounds),
default: tp.default.as_ref().map(|x| self.lower_ty(x)),
span: tp.span,
--- /dev/null
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: -Z continue-parse-after-error
+
+struct Foo<Self>(Self);
+//~^ ERROR expected identifier, found keyword `Self`
+
+trait Bar<Self> {}
+//~^ ERROR expected identifier, found keyword `Self`
+
+fn main() {}