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authorKevin Atkinson <kevina@cs.utah.edu>2012-02-01 00:20:31 -0700
committerKevin Atkinson <kevina@cs.utah.edu>2012-02-03 20:41:48 -0700
commitda74a7f9ca774cd8addcb00a361bb230facc3b31 (patch)
tree56a6c60c5d6825a02e59c8934deba409334f70e0 /src/comp/syntax/ext/log_syntax.rs
parent5ea04c65c151708272b92d00c8448156239affb2 (diff)
downloadrust-da74a7f9ca774cd8addcb00a361bb230facc3b31.tar.gz
rust-da74a7f9ca774cd8addcb00a361bb230facc3b31.zip
Make macro arg optional in syntax, again untested.
Diffstat (limited to 'src/comp/syntax/ext/log_syntax.rs')
-rw-r--r--src/comp/syntax/ext/log_syntax.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/comp/syntax/ext/log_syntax.rs b/src/comp/syntax/ext/log_syntax.rs
index 4047a1b95d3..911cf9ff2eb 100644
--- a/src/comp/syntax/ext/log_syntax.rs
+++ b/src/comp/syntax/ext/log_syntax.rs
@@ -4,6 +4,7 @@ import std::io::writer_util;
 
 fn expand_syntax_ext(cx: ext_ctxt, sp: codemap::span, arg: ast::mac_arg,
                      _body: ast::mac_body) -> @ast::expr {
+    let arg = get_mac_arg(cx,sp,arg);
     cx.print_backtrace();
     std::io::stdout().write_line(print::pprust::expr_to_str(arg));