src/test/ui/proc-macro/auxiliary/more-gates.rs

// Copyright 2018 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.

// force-host
// no-prefer-dynamic

#![crate_type = "proc-macro"]

extern crate proc_macro;

use proc_macro::*;

#[proc_macro_attribute]
pub fn attr2mac1(_: TokenStream, _: TokenStream) -> TokenStream {
    "macro_rules! foo1 { (a) => (a) }".parse().unwrap()
}

#[proc_macro_attribute]
pub fn attr2mac2(_: TokenStream, _: TokenStream) -> TokenStream {
    "macro foo2(a) { a }".parse().unwrap()
}

#[proc_macro]
pub fn mac2mac1(_: TokenStream) -> TokenStream {
    "macro_rules! foo3 { (a) => (a) }".parse().unwrap()
}

#[proc_macro]
pub fn mac2mac2(_: TokenStream) -> TokenStream {
    "macro foo4(a) { a }".parse().unwrap()
}

#[proc_macro]
pub fn tricky(_: TokenStream) -> TokenStream {
    "fn foo() {
        macro_rules! foo { (a) => (a) }
    }".parse().unwrap()
}