rustc: Introduce a lang_items pass, part of coherence and operator overloading.

This will also help us remove kinds.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/rustc/metadata/decoder.rs b/src/rustc/metadata/decoder.rs
index 3ff9ded3f1e..a5261d039c1 100644
--- a/src/rustc/metadata/decoder.rs
+++ b/src/rustc/metadata/decoder.rs
@@ -39,6 +39,7 @@ export get_crate_vers;
 export get_impls_for_mod;
 export get_trait_methods;
 export get_method_names_if_trait;
+export get_item_attrs;
 export get_crate_module_paths;
 export def_like;
 export dl_def;
@@ -659,6 +660,18 @@ fn get_method_names_if_trait(cdata: cmd, node_id: ast::node_id)
     ret some(resulting_method_names);
 }
 
+fn get_item_attrs(cdata: cmd,
+                  node_id: ast::node_id,
+                  f: fn(~[@ast::meta_item])) {
+
+    let item = lookup_item(node_id, cdata.data);
+    do ebml::tagged_docs(item, tag_attributes) |attributes| {
+        do ebml::tagged_docs(attributes, tag_attribute) |attribute| {
+            f(get_meta_items(attribute));
+        }
+    }
+}
+
 // Helper function that gets either fields or methods
 fn get_class_members(cdata: cmd, id: ast::node_id,
                      p: fn(char) -> bool) -> ~[ty::field_ty] {