};
let item = match item {
- ast::ItemKind::Impl(u, o, a, b, c, items) => {
- let items = items.into_iter().filter_map(|item| self.configure(item)).collect();
- ast::ItemKind::Impl(u, o, a, b, c, items)
- }
- ast::ItemKind::Trait(u, a, b, items) => {
- let items = items.into_iter().filter_map(|item| self.configure(item)).collect();
- ast::ItemKind::Trait(u, a, b, items)
- }
ast::ItemKind::Struct(def, generics) => {
ast::ItemKind::Struct(fold_struct(self, def), generics)
}
}
fn fold_item(&mut self, item: P<ast::Item>) -> SmallVector<P<ast::Item>> {
- self.configure(item).map(|item| SmallVector::one(item.map(|i| self.fold_item_simple(i))))
+ self.configure(item).map(|item| fold::noop_fold_item(item, self))
+ .unwrap_or(SmallVector::zero())
+ }
+
+ fn fold_impl_item(&mut self, item: ast::ImplItem) -> SmallVector<ast::ImplItem> {
+ self.configure(item).map(|item| fold::noop_fold_impl_item(item, self))
+ .unwrap_or(SmallVector::zero())
+ }
+
+ fn fold_trait_item(&mut self, item: ast::TraitItem) -> SmallVector<ast::TraitItem> {
+ self.configure(item).map(|item| fold::noop_fold_trait_item(item, self))
.unwrap_or(SmallVector::zero())
}
}
--- /dev/null
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(rustc_attrs)]
+
+macro_rules! m {
+ () => { #[cfg(any())] fn f() {} }
+}
+
+trait T {}
+impl T for () { m!(); }
+
+#[rustc_error]
+fn main() {} //~ ERROR compilation successful