1 files changed, 0 insertions, 95 deletions

diff --git a/crates/hir_expand/src/input.rs b/crates/hir_expand/src/input.rs
deleted file mode 100644
index d1f22aba4..000000000
--- a/crates/hir_expand/src/input.rs
+++ /dev/null
@@ -1,95 +0,0 @@
-//! Macro input conditioning.
-
-use syntax::{
-    ast::{self, AttrsOwner},
-    AstNode, SyntaxNode,
-};
-
-use crate::{
-    db::AstDatabase,
-    name::{name, AsName},
-    AttrId, LazyMacroId, MacroCallKind, MacroCallLoc,
-};
-
-pub(crate) fn process_macro_input(
-    db: &dyn AstDatabase,
-    node: SyntaxNode,
-    id: LazyMacroId,
-) -> SyntaxNode {
-    let loc: MacroCallLoc = db.lookup_intern_macro(id);
-
-    match loc.kind {
-        MacroCallKind::FnLike { .. } => node,
-        MacroCallKind::Derive { derive_attr, .. } => {
-            let item = match ast::Item::cast(node.clone()) {
-                Some(item) => item,
-                None => return node,
-            };
-
-            remove_derives_up_to(item, derive_attr).syntax().clone()
-        }
-    }
-}
-
-/// Removes `#[derive]` attributes from `item`, up to `attr`.
-fn remove_derives_up_to(item: ast::Item, attr: AttrId) -> ast::Item {
-    let item = item.clone_for_update();
-    let idx = attr.0 as usize;
-    for attr in item.attrs().take(idx + 1) {
-        if let Some(name) =
-            attr.path().and_then(|path| path.as_single_segment()).and_then(|seg| seg.name_ref())
-        {
-            if name.as_name() == name![derive] {
-                attr.syntax().detach();
-            }
-        }
-    }
-    item
-}
-
-#[cfg(test)]
-mod tests {
-    use base_db::fixture::WithFixture;
-    use base_db::SourceDatabase;
-    use expect_test::{expect, Expect};
-
-    use crate::test_db::TestDB;
-
-    use super::*;
-
-    fn test_remove_derives_up_to(attr: AttrId, ra_fixture: &str, expect: Expect) {
-        let (db, file_id) = TestDB::with_single_file(&ra_fixture);
-        let parsed = db.parse(file_id);
-
-        let mut items: Vec<_> =
-            parsed.syntax_node().descendants().filter_map(ast::Item::cast).collect();
-        assert_eq!(items.len(), 1);
-
-        let item = remove_derives_up_to(items.pop().unwrap(), attr);
-        expect.assert_eq(&item.to_string());
-    }
-
-    #[test]
-    fn remove_derive() {
-        test_remove_derives_up_to(
-            AttrId(2),
-            r#"
-#[allow(unused)]
-#[derive(Copy)]
-#[derive(Hello)]
-#[derive(Clone)]
-struct A {
-    bar: u32
-}
-        "#,
-            expect![[r#"
-#[allow(unused)]
-
-
-#[derive(Clone)]
-struct A {
-    bar: u32
-}"#]],
-        );
-    }
-}