Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide-assists/src/handlers/replace_derive_with_manual_impl.rs')
| -rw-r--r-- | crates/ide-assists/src/handlers/replace_derive_with_manual_impl.rs | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/crates/ide-assists/src/handlers/replace_derive_with_manual_impl.rs b/crates/ide-assists/src/handlers/replace_derive_with_manual_impl.rs index 36ac8c71d8..1b0a8e0a8d 100644 --- a/crates/ide-assists/src/handlers/replace_derive_with_manual_impl.rs +++ b/crates/ide-assists/src/handlers/replace_derive_with_manual_impl.rs @@ -182,7 +182,11 @@ fn impl_def_from_trait( let impl_def = { use syntax::ast::Impl; let text = generate_trait_impl_text(adt, trait_path.to_string().as_str(), ""); - let parse = syntax::SourceFile::parse(&text); + // FIXME: `generate_trait_impl_text` currently generates two newlines + // at the front, but these leading newlines should really instead be + // inserted at the same time the impl is inserted + assert_eq!(&text[..2], "\n\n", "`generate_trait_impl_text` output changed"); + let parse = syntax::SourceFile::parse(&text[2..]); let node = match parse.tree().syntax().descendants().find_map(Impl::cast) { Some(it) => it, None => { @@ -193,7 +197,7 @@ fn impl_def_from_trait( ) } }; - let node = node.clone_subtree(); + let node = node.clone_for_update(); assert_eq!(node.syntax().text_range().start(), 0.into()); node }; @@ -209,8 +213,8 @@ fn impl_def_from_trait( it.clone_for_update() }) .collect(); - let (impl_def, first_assoc_item) = - add_trait_assoc_items_to_impl(sema, trait_items, trait_, impl_def, target_scope); + let first_assoc_item = + add_trait_assoc_items_to_impl(sema, trait_items, trait_, &impl_def, target_scope); // Generate a default `impl` function body for the derived trait. if let ast::AssocItem::Fn(ref func) = first_assoc_item { |