// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // run-pass // no-prefer-dynamic #![feature(proc_macro)] #![crate_type = "proc-macro"] extern crate proc_macro; use proc_macro::*; #[proc_macro] pub fn check(_: TokenStream) -> TokenStream { " type Alias = FromOutside; // OK struct Outer; mod inner { type Alias = FromOutside; // `FromOutside` shouldn't be available from here type Inner = Outer; // `Outer` shouldn't be available from here } ".parse().unwrap() } #[proc_macro_attribute] pub fn check_attr(_: TokenStream, _: TokenStream) -> TokenStream { " type AliasAttr = FromOutside; // OK struct OuterAttr; mod inner_attr { type Alias = FromOutside; // `FromOutside` shouldn't be available from here type Inner = OuterAttr; // `OuterAttr` shouldn't be available from here } ".parse().unwrap() } #[proc_macro_derive(CheckDerive)] pub fn check_derive(_: TokenStream) -> TokenStream { " type AliasDerive = FromOutside; // OK struct OuterDerive; mod inner_derive { type Alias = FromOutside; // `FromOutside` shouldn't be available from here type Inner = OuterDerive; // `OuterDerive` shouldn't be available from here } ".parse().unwrap() }