16 lines
500 B
Rust
16 lines
500 B
Rust
import base::*;
|
|
import io::WriterUtil;
|
|
|
|
fn expand_syntax_ext(cx: ext_ctxt, sp: codemap::span, tt: ~[ast::token_tree])
|
|
-> base::mac_result {
|
|
|
|
cx.print_backtrace();
|
|
io::stdout().write_line(
|
|
print::pprust::unexpanded_tt_to_str(ast::tt_delim(tt),
|
|
cx.parse_sess().interner));
|
|
|
|
//trivial expression
|
|
return mr_expr(@{id: cx.next_id(), callee_id: cx.next_id(),
|
|
node: ast::expr_rec(~[], option::none), span: sp});
|
|
}
|