git branch: * master 5200215 auto merge of #14035 : alexcrichton/rust/experimental, r=huonw modified: Fri May 9 13:02:28 2014
1// Copyright 2012 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.
4//
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.
10 11use ast; 12use codemap; 13use ext::base; 14use print; 15 16use std::rc::Rc; 17 18pubfn expand_syntax_ext(cx: &mut base::ExtCtxt, 19sp: codemap::Span, 20tt: &[ast::TokenTree]) 21->Box<base::MacResult>{ 22 23cx.print_backtrace(); 24 println!("{}",print::pprust::tt_to_str(&ast::TTDelim( 25Rc::new(tt.iter().map(|x|(*x).clone()).collect())))); 26 27// any so that `log_syntax` can be invoked as an expression and item.
28base::DummyResult::any(sp) 29}