Fix log_syntax of unexpanded code.

1 files changed, 7 insertions, 8 deletions

diff --git a/src/libsyntax/ext/log_syntax.rs b/src/libsyntax/ext/log_syntax.rs
index f84e496be9c..3be74cba2e4 100644
--- a/src/libsyntax/ext/log_syntax.rs
+++ b/src/libsyntax/ext/log_syntax.rs
@@ -1,16 +1,15 @@
 import base::*;
 import io::writer_util;
 
-fn expand_syntax_ext(cx: ext_ctxt, sp: codemap::span, arg: ast::mac_arg,
-                     _body: ast::mac_body) -> @ast::expr {
-    let args = get_mac_args_no_max(cx,sp,arg,0u,~"log_syntax");
+fn expand_syntax_ext(cx: ext_ctxt, sp: codemap::span, tt: ~[ast::token_tree])
+    -> base::mac_result {
+
     cx.print_backtrace();
     io::stdout().write_line(
-        str::connect(vec::map(args,
-                              |&&ex| print::pprust::expr_to_str(ex)), ~", ")
-    );
+        print::pprust::unexpanded_tt_to_str(ast::tt_delim(tt),
+                                            cx.parse_sess().interner));
 
     //trivial expression
-    return @{id: cx.next_id(), callee_id: cx.next_id(),
-          node: ast::expr_rec(~[], option::none), span: sp};
+    return mr_expr(@{id: cx.next_id(), callee_id: cx.next_id(),
+                     node: ast::expr_rec(~[], option::none), span: sp});
 }