1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
13 #![crate_type = "dylib"]
14 #![feature(plugin_registrar, quote, rustc_private)]
16 extern crate syntax_extension_with_dll_deps_1 as other;
20 use syntax::ast::{TokenTree, Item, MetaItem};
21 use syntax::codemap::Span;
22 use syntax::ext::base::*;
23 use rustc::plugin::Registry;
26 pub fn plugin_registrar(reg: &mut Registry) {
27 reg.register_macro("foo", expand_foo);
30 fn expand_foo(cx: &mut ExtCtxt, sp: Span, tts: &[TokenTree])
31 -> Box<MacResult+'static> {
32 let answer = other::the_answer();
33 MacEager::expr(quote_expr!(cx, $answer))