diff options
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 13 | ||||
| -rw-r--r-- | src/test/compile-fail/no-unsafe-self.rs | 22 |
2 files changed, 35 insertions, 0 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index 51213512a55..6db9828fa25 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -3571,6 +3571,19 @@ impl Parser { self.bump(); sty_value } + token::BINOP(token::STAR) => { + // Possibly "*self" or "*mut self" -- not supported. Try to avoid + // emitting cryptic "unexpected token" errors. + self.bump(); + if self.token_is_mutability(self.token) { + self.bump(); + } + if self.is_self_ident() { + self.span_err(*self.span, "cannot pass self by unsafe pointer"); + self.bump(); + } + sty_value + } _ => { sty_static } diff --git a/src/test/compile-fail/no-unsafe-self.rs b/src/test/compile-fail/no-unsafe-self.rs new file mode 100644 index 00000000000..0bf73bbdfe3 --- /dev/null +++ b/src/test/compile-fail/no-unsafe-self.rs @@ -0,0 +1,22 @@ +// Copyright 2013 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. + +trait A { + fn foo(*mut self); //~ ERROR cannot pass self by unsafe pointer + fn bar(*self); //~ ERROR cannot pass self by unsafe pointer +} + +struct X; +impl A for X { + fn foo(*mut self) { } //~ ERROR cannot pass self by unsafe pointer + fn bar(*self) { } //~ ERROR cannot pass self by unsafe pointer +} + +fn main() { } |