Unnamed repository; edit this file 'description' to name the repository.
-rw-r--r--crates/ide-assists/src/handlers/auto_import.rs52
-rw-r--r--crates/ide-db/src/imports/insert_use.rs37
2 files changed, 77 insertions, 12 deletions
diff --git a/crates/ide-assists/src/handlers/auto_import.rs b/crates/ide-assists/src/handlers/auto_import.rs
index 7acf2ea0a0..a2efa4d10b 100644
--- a/crates/ide-assists/src/handlers/auto_import.rs
+++ b/crates/ide-assists/src/handlers/auto_import.rs
@@ -5,7 +5,7 @@ use ide_db::{
helpers::mod_path_to_ast,
imports::{
import_assets::{ImportAssets, ImportCandidate, LocatedImport},
- insert_use::{insert_use, ImportScope},
+ insert_use::{insert_use, insert_use_as_alias, ImportScope},
},
};
use syntax::{ast, AstNode, NodeOrToken, SyntaxElement};
@@ -129,10 +129,12 @@ pub(crate) fn auto_import(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<
for import in proposed_imports {
let import_path = import.import_path;
+ let (assist_id, import_name) =
+ (AssistId("auto_import", AssistKind::QuickFix), import_path.display(ctx.db()));
acc.add_group(
&group_label,
- AssistId("auto_import", AssistKind::QuickFix),
- format!("Import `{}`", import_path.display(ctx.db())),
+ assist_id,
+ format!("Import `{}`", import_name),
range,
|builder| {
let scope = match scope.clone() {
@@ -143,6 +145,38 @@ pub(crate) fn auto_import(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<
insert_use(&scope, mod_path_to_ast(&import_path), &ctx.config.insert_use);
},
);
+
+ match import_assets.import_candidate() {
+ ImportCandidate::TraitAssocItem(name) | ImportCandidate::TraitMethod(name) => {
+ let is_method =
+ matches!(import_assets.import_candidate(), ImportCandidate::TraitMethod(_));
+ let type_ = if is_method { "method" } else { "item" };
+ let group_label = GroupLabel(format!(
+ "Import a trait for {} {} by alias",
+ type_,
+ name.assoc_item_name.text()
+ ));
+ acc.add_group(
+ &group_label,
+ assist_id,
+ format!("Import `{} as _`", import_name),
+ range,
+ |builder| {
+ let scope = match scope.clone() {
+ ImportScope::File(it) => ImportScope::File(builder.make_mut(it)),
+ ImportScope::Module(it) => ImportScope::Module(builder.make_mut(it)),
+ ImportScope::Block(it) => ImportScope::Block(builder.make_mut(it)),
+ };
+ insert_use_as_alias(
+ &scope,
+ mod_path_to_ast(&import_path),
+ &ctx.config.insert_use,
+ );
+ },
+ );
+ }
+ _ => {}
+ }
}
Some(())
}
@@ -723,7 +757,7 @@ fn main() {
}
",
r"
- use test_mod::TestTrait;
+ use test_mod::TestTrait as _;
mod test_mod {
pub trait TestTrait {
@@ -794,7 +828,7 @@ fn main() {
}
",
r"
- use test_mod::TestTrait;
+ use test_mod::TestTrait as _;
mod test_mod {
pub trait TestTrait {
@@ -866,7 +900,7 @@ fn main() {
}
",
r"
- use test_mod::TestTrait;
+ use test_mod::TestTrait as _;
mod test_mod {
pub trait TestTrait {
@@ -908,7 +942,7 @@ fn main() {
}
",
r"
- use dep::test_mod::TestTrait;
+ use dep::test_mod::TestTrait as _;
fn main() {
let test_struct = dep::test_mod::TestStruct {};
@@ -939,7 +973,7 @@ fn main() {
}
",
r"
- use dep::test_mod::TestTrait;
+ use dep::test_mod::TestTrait as _;
fn main() {
dep::test_mod::TestStruct::test_function
@@ -969,7 +1003,7 @@ fn main() {
}
",
r"
- use dep::test_mod::TestTrait;
+ use dep::test_mod::TestTrait as _;
fn main() {
dep::test_mod::TestStruct::CONST
diff --git a/crates/ide-db/src/imports/insert_use.rs b/crates/ide-db/src/imports/insert_use.rs
index 9be1d36634..6caa6e3511 100644
--- a/crates/ide-db/src/imports/insert_use.rs
+++ b/crates/ide-db/src/imports/insert_use.rs
@@ -9,7 +9,7 @@ use syntax::{
algo,
ast::{
self, edit_in_place::Removable, make, AstNode, HasAttrs, HasModuleItem, HasVisibility,
- PathSegmentKind,
+ PathSegmentKind, Rename, UseTree,
},
ted, Direction, NodeOrToken, SyntaxKind, SyntaxNode,
};
@@ -157,6 +157,33 @@ impl ImportScope {
/// Insert an import path into the given file/node. A `merge` value of none indicates that no import merging is allowed to occur.
pub fn insert_use(scope: &ImportScope, path: ast::Path, cfg: &InsertUseConfig) {
+ insert_use_with_alias_option(scope, path, cfg, None);
+}
+
+pub fn insert_use_as_alias(scope: &ImportScope, path: ast::Path, cfg: &InsertUseConfig) {
+ let text: &str = "use foo as _";
+ let parse = syntax::SourceFile::parse(text);
+ let node = match parse.tree().syntax().descendants().find_map(UseTree::cast) {
+ Some(it) => it,
+ None => {
+ panic!(
+ "Failed to make ast node `{}` from text {}",
+ std::any::type_name::<Rename>(),
+ text
+ )
+ }
+ };
+ let alias = node.rename();
+
+ insert_use_with_alias_option(scope, path, cfg, alias);
+}
+
+fn insert_use_with_alias_option(
+ scope: &ImportScope,
+ path: ast::Path,
+ cfg: &InsertUseConfig,
+ alias: Option<ast::Rename>,
+) {
let _p = profile::span("insert_use");
let mut mb = match cfg.granularity {
ImportGranularity::Crate => Some(MergeBehavior::Crate),
@@ -175,8 +202,12 @@ pub fn insert_use(scope: &ImportScope, path: ast::Path, cfg: &InsertUseConfig) {
};
}
- let use_item =
- make::use_(None, make::use_tree(path.clone(), None, None, false)).clone_for_update();
+ let use_item = if alias.is_some() {
+ make::use_(None, make::use_tree(path.clone(), None, alias, false)).clone_for_update()
+ } else {
+ make::use_(None, make::use_tree(path.clone(), None, None, false)).clone_for_update()
+ };
+
// merge into existing imports if possible
if let Some(mb) = mb {
let filter = |it: &_| !(cfg.skip_glob_imports && ast::Use::is_simple_glob(it));