From 93f81a5e8fb13fd08a39026555754bd0cbb43fd7 Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Wed, 28 Sep 2016 18:00:07 +0800
Subject: Expand lang - Handle #[lang] on extern fn-s by ignoring them

---
 src/expand/lang_item.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'src/expand/lang_item.cpp')

diff --git a/src/expand/lang_item.cpp b/src/expand/lang_item.cpp
index f8aea8c3..7fcfedc9 100644
--- a/src/expand/lang_item.cpp
+++ b/src/expand/lang_item.cpp
@@ -87,7 +87,9 @@ void handle_lang_item(const Span& sp, AST::Crate& crate, const AST::Path& path,
     // Functions
     else if( name == "panic" ) { }
     else if( name == "panic_bounds_check" ) { }
-    else if( name == "panic_fmt" ) { }
+    else if( name == "panic_fmt" ) {
+        
+    }
     else if( name == "str_eq" ) { }
     // - builtin `box` support
     else if( name == "exchange_malloc" ) { }
@@ -123,7 +125,12 @@ public:
             TODO(sp, "Unknown item type with #[lang=\""<<attr<<"\"] attached at " << path);
             ),
         (Function,
-            handle_lang_item(sp, crate, path, attr.string(), AST::ITEM_FN);
+            if( e.code().is_valid() ) {
+                handle_lang_item(sp, crate, path, attr.string(), AST::ITEM_FN);
+            }
+            else {
+                //handle_lang_item(sp, crate, path, attr.string(), AST::ITEM_EXTERN_FN);
+            }
             ),
         (Struct,
             handle_lang_item(sp, crate, path, attr.string(), AST::ITEM_STRUCT);
-- 
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