Add a little code to resolve, to check that the fold interface works.

src/comp/middle/fold.rs

@@ -143,7 +143,7 @@ type ast_fold[ENV] =
 
 // FIXME: Finish these.
 
-fn fold_name[ENV](&ENV env, ast_fold[ENV] fld, &name n,
+fn fold_expr_name[ENV](&ENV env, ast_fold[ENV] fld, &name n,
                   &option[referent] r) -> tup(name,option[referent]) {
     ret tup(n,r);
 }
@@ -214,7 +214,7 @@ fn fold_expr[ENV](&ENV env, ast_fold[ENV] fld, &@expr e) -> @expr {
         }
 
         case (ast.expr_name(?n, ?r)) {
-            auto nn = fold_name(env_, fld, n, r);
+            auto nn = fold_expr_name(env_, fld, n, r);
             ret fld.fold_expr_name(env_, e.span, nn._0, nn._1);
         }
 

src/comp/middle/resolve.rs

@@ -1,6 +1,28 @@
 import front.ast;
 import driver.session;
+import util.common.span;
 
-fn resolve_crate(session.session sess, ast.crate crate) -> ast.crate {
-  ret crate;
-}
+type env = ();
+
+fn resolve_name(&env e, &span sp, ast.name_ n) -> ast.name {
+    auto s = "resolving name: ";
+    s += n.ident;
+    log s;
+    ret fold.respan[ast.name_](sp, n);
+}
+
+fn resolve_crate(session.session sess, @ast.crate crate) -> @ast.crate {
+    let fold.ast_fold[env] fld = fold.new_identity_fold[env]();
+    fld = @rec( fold_name = bind resolve_name(_,_,_)
+                with *fld );
+    ret fold.fold_crate[env]((), fld, crate);
+}
+
+// Local Variables:
+// mode: rust
+// fill-column: 78;
+// indent-tabs-mode: nil
+// c-basic-offset: 4
+// buffer-file-coding-system: utf-8-unix
+// compile-command: "make -k -C ../.. 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
+// End: