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// Copyright 2012 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.
use ast;
use codemap;
use ext::base::*;
use ext::base;
use print;
use core::io;
use core::io::WriterUtil;
use core::option;
pub fn expand_syntax_ext(cx: ext_ctxt,
sp: codemap::span,
tt: ~[ast::token_tree])
-> base::MacResult {
cx.print_backtrace();
io::stdout().write_line(
print::pprust::tt_to_str(ast::tt_delim(tt),cx.parse_sess().interner));
//trivial expression
MRExpr(@ast::expr {
id: cx.next_id(),
callee_id: cx.next_id(),
node: ast::expr_rec(~[], option::None),
span: sp,
})
}
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