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Fix bug in the syntax::config::StripUnconfigured folder

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This commit is contained in:
Jeffrey Seyfried 2016-06-02 07:34:19 +00:00
parent c2cab1fd58
commit daf916bf9a
1 changed files with 11 additions and 9 deletions
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20
src/libsyntax/config.rs
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@ -166,14 +166,6 @@ impl<T: CfgFolder> fold::Folder for T {
};
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)
}
@ -242,7 +234,17 @@ impl<T: CfgFolder> fold::Folder for T {
}
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())
}
}