1 files changed, 28 insertions, 0 deletions
diff --git a/src/comp/front/creader.rs b/src/comp/front/creader.rs
new file mode 100644
index 00000000..4564ae2b
--- /dev/null
+++ b/src/comp/front/creader.rs
@@ -0,0 +1,28 @@
+// -*- rust -*-
+
+import driver.session;
+import front.ast;
+import middle.fold;
+import util.common;
+import util.common.span;
+import std.map.hashmap;
+
+// TODO: map to a real type here.
+type env = @hashmap[str, @ast.external_crate_info];
+
+fn fold_view_item_use(&env e, &span sp, ast.ident ident,
+        vec[@ast.meta_item] meta_items, ast.def_id id) -> @ast.view_item {
+    // TODO: find the crate
+
+    auto viu = ast.view_item_use(ident, meta_items, id);
+    ret @fold.respan[ast.view_item_](sp, viu);
+}
+
+// Reads external crates referenced by "use" directives.
+fn read_crates(session.session sess, @ast.crate crate) -> @ast.crate {
+    auto external_crates = @common.new_str_hash[@ast.external_crate_info]();
+    auto f = fold_view_item_use;
+    auto fld = @rec(fold_view_item_use=f with *fold.new_identity_fold[env]());
+    ret fold.fold_crate[env](external_crates, fld, crate);
+}
+