| import base::*; | |
| import syntax::ast; | |
| import std::io::writer_util; | |
| fn expand_syntax_ext(cx: ext_ctxt, sp: codemap::span, arg: @ast::expr, | |
| _body: option::t<str>) -> @ast::expr { | |
| cx.print_backtrace(); | |
| std::io::stdout().write_line(print::pprust::expr_to_str(arg)); | |
| //trivial expression | |
| ret @{id: cx.next_id(), node: ast::expr_rec([], option::none), span: sp}; | |
| } |