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// Copyright 2013-2014 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
#[feature(globs, macro_registrar, macro_rules, quote)];
extern crate syntax;
use syntax::ast::{Name, TokenTree};
use syntax::codemap::Span;
use syntax::ext::base::*;
use syntax::parse::token;
#[macro_export]
macro_rules! exported_macro (() => (2))
macro_rules! unexported_macro (() => (3))
#[macro_registrar]
pub fn macro_registrar(register: |Name, SyntaxExtension|) {
register(token::intern("make_a_1"),
NormalTT(~BasicMacroExpander {
expander: expand_make_a_1,
span: None,
},
None));
}
pub fn expand_make_a_1(cx: &mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> MacResult {
if !tts.is_empty() {
cx.span_fatal(sp, "make_a_1 takes no arguments");
}
MRExpr(quote_expr!(cx, 1i))
}
pub fn foo() {}
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