feat: import trait with alias

This commit is contained in:
Young-Flash 2023-10-22 21:39:00 +08:00
parent 954fb1d673
commit 4f5f7e2800
2 changed files with 77 additions and 12 deletions

View File

@ -5,7 +5,7 @@
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 test_method(&self) {}
}
",
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 test_function() {}
}
",
r"
use dep::test_mod::TestTrait;
use dep::test_mod::TestTrait as _;
fn main() {
dep::test_mod::TestStruct::test_function
@ -969,7 +1003,7 @@ impl TestTrait for TestStruct {
}
",
r"
use dep::test_mod::TestTrait;
use dep::test_mod::TestTrait as _;
fn main() {
dep::test_mod::TestStruct::CONST

View File

@ -9,7 +9,7 @@
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 @@ pub fn clone_for_update(&self) -> Self {
/// 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));