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respect "one" import granularity config in merge imports assist

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This commit is contained in:
davidsemakula 2024-01-15 18:59:40 +03:00
parent 4f176b3f7f
commit 7db4117156
3 changed files with 228 additions and 20 deletions
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209
crates/ide-assists/src/handlers/merge_imports.rs
View File

@ -1,5 +1,8 @@
use either::Either;
use ide_db::imports::merge_imports::{try_merge_imports, try_merge_trees, MergeBehavior};
use ide_db::imports::{
insert_use::{ImportGranularity, InsertUseConfig},
merge_imports::{try_merge_imports, try_merge_trees, MergeBehavior},
};
use syntax::{
algo::neighbor,
ast::{self, edit_in_place::Removable},
@ -30,14 +33,36 @@ pub(crate) fn merge_imports(acc: &mut Assists, ctx: &AssistContext<'_>) -> Optio
let (target, edits) = if ctx.has_empty_selection() {
// Merge a neighbor
let tree: ast::UseTree = ctx.find_node_at_offset()?;
let target = tree.syntax().text_range();
let mut target = tree.syntax().text_range();
let edits = if let Some(use_item) = tree.syntax().parent().and_then(ast::Use::cast) {
let mut neighbor = next_prev().find_map(|dir| neighbor(&use_item, dir)).into_iter();
use_item.try_merge_from(&mut neighbor)
use_item.try_merge_from(&mut neighbor, &ctx.config.insert_use)
} else {
let mut neighbor = next_prev().find_map(|dir| neighbor(&tree, dir)).into_iter();
tree.try_merge_from(&mut neighbor)
let mut edits = tree.clone().try_merge_from(&mut neighbor, &ctx.config.insert_use);
if edits.is_none() && ctx.config.insert_use.granularity == ImportGranularity::One {
let one_tree = tree
.parent_use_tree_list()
.map(|it| it.parent_use_tree().top_use_tree())
.filter(|top_tree| top_tree.path().is_none())
.and_then(|one_tree| {
one_tree.syntax().parent().and_then(ast::Use::cast).zip(Some(one_tree))
});
if let Some((use_item, one_tree)) = one_tree {
let mut neighbor = next_prev()
.find_map(|dir| syntax::algo::neighbor(&use_item, dir))
.into_iter();
edits = use_item.try_merge_from(&mut neighbor, &ctx.config.insert_use);
if edits.is_some() {
target = one_tree.syntax().text_range();
}
}
}
edits
};
(target, edits?)
} else {
@ -54,10 +79,10 @@ pub(crate) fn merge_imports(acc: &mut Assists, ctx: &AssistContext<'_>) -> Optio
let edits = match_ast! {
match first_selected {
ast::Use(use_item) => {
use_item.try_merge_from(&mut selected_nodes.filter_map(ast::Use::cast))
use_item.try_merge_from(&mut selected_nodes.filter_map(ast::Use::cast), &ctx.config.insert_use)
},
ast::UseTree(use_tree) => {
use_tree.try_merge_from(&mut selected_nodes.filter_map(ast::UseTree::cast))
use_tree.try_merge_from(&mut selected_nodes.filter_map(ast::UseTree::cast), &ctx.config.insert_use)
},
_ => return None,
}
@ -89,11 +114,15 @@ pub(crate) fn merge_imports(acc: &mut Assists, ctx: &AssistContext<'_>) -> Optio
}
trait Merge: AstNode + Clone {
fn try_merge_from(self, items: &mut dyn Iterator<Item = Self>) -> Option<Vec<Edit>> {
fn try_merge_from(
self,
items: &mut dyn Iterator<Item = Self>,
cfg: &InsertUseConfig,
) -> Option<Vec<Edit>> {
let mut edits = Vec::new();
let mut merged = self.clone();
for item in items {
merged = merged.try_merge(&item)?;
merged = merged.try_merge(&item, cfg)?;
edits.push(Edit::Remove(item.into_either()));
}
if !edits.is_empty() {
@ -103,13 +132,17 @@ trait Merge: AstNode + Clone {
None
}
}
fn try_merge(&self, other: &Self) -> Option<Self>;
fn try_merge(&self, other: &Self, cfg: &InsertUseConfig) -> Option<Self>;
fn into_either(self) -> Either<ast::Use, ast::UseTree>;
}
impl Merge for ast::Use {
fn try_merge(&self, other: &Self) -> Option<Self> {
try_merge_imports(self, other, MergeBehavior::Crate)
fn try_merge(&self, other: &Self, cfg: &InsertUseConfig) -> Option<Self> {
let mb = match cfg.granularity {
ImportGranularity::One => MergeBehavior::One,
_ => MergeBehavior::Crate,
};
try_merge_imports(self, other, mb)
}
fn into_either(self) -> Either<ast::Use, ast::UseTree> {
Either::Left(self)
@ -117,7 +150,7 @@ impl Merge for ast::Use {
}
impl Merge for ast::UseTree {
fn try_merge(&self, other: &Self) -> Option<Self> {
fn try_merge(&self, other: &Self, _: &InsertUseConfig) -> Option<Self> {
try_merge_trees(self, other, MergeBehavior::Crate)
}
fn into_either(self) -> Either<ast::Use, ast::UseTree> {
@ -138,10 +171,35 @@ impl Edit {
#[cfg(test)]
mod tests {
use crate::tests::{check_assist, check_assist_not_applicable};
use crate::tests::{check_assist, check_assist_import_one, check_assist_not_applicable};
use super::*;
macro_rules! check_assist_import_one_variations {
($first: literal, $second: literal, $expected: literal) => {
check_assist_import_one(
merge_imports,
concat!(concat!("use ", $first, ";"), concat!("use ", $second, ";")),
$expected,
);
check_assist_import_one(
merge_imports,
concat!(concat!("use {", $first, "};"), concat!("use ", $second, ";")),
$expected,
);
check_assist_import_one(
merge_imports,
concat!(concat!("use ", $first, ";"), concat!("use {", $second, "};")),
$expected,
);
check_assist_import_one(
merge_imports,
concat!(concat!("use {", $first, "};"), concat!("use {", $second, "};")),
$expected,
);
};
}
#[test]
fn test_merge_equal() {
check_assist(
@ -153,7 +211,12 @@ use std::fmt::{Display, Debug};
r"
use std::fmt::{Display, Debug};
",
)
);
check_assist_import_one_variations!(
"std::fmt$0::{Display, Debug}",
"std::fmt::{Display, Debug}",
"use {std::fmt::{Display, Debug}};"
);
}
#[test]
@ -167,7 +230,12 @@ use std::fmt::Display;
r"
use std::fmt::{Debug, Display};
",
)
);
check_assist_import_one_variations!(
"std::fmt$0::Debug",
"std::fmt::Display",
"use {std::fmt::{Debug, Display}};"
);
}
#[test]
@ -182,6 +250,11 @@ use std::fmt$0::Display;
use std::fmt::{Debug, Display};
",
);
check_assist_import_one_variations!(
"std::fmt::Debug",
"std::fmt$0::Display",
"use {std::fmt::{Debug, Display}};"
);
}
#[test]
@ -196,6 +269,11 @@ use std::fmt::Display;
use std::fmt::{self, Display};
",
);
check_assist_import_one_variations!(
"std::fmt$0",
"std::fmt::Display",
"use {std::fmt::{self, Display}};"
);
}
#[test]
@ -207,6 +285,15 @@ use std::{fmt, $0fmt::Display};
",
r"
use std::{fmt::{self, Display}};
",
);
check_assist_import_one(
merge_imports,
r"
use {std::{fmt, $0fmt::Display}};
",
r"
use {std::{fmt::{self, Display}}};
",
);
}
@ -306,6 +393,15 @@ use std::{fmt$0::Debug, fmt::Display};
",
r"
use std::{fmt::{Debug, Display}};
",
);
check_assist_import_one(
merge_imports,
r"
use {std::{fmt$0::Debug, fmt::Display}};
",
r"
use {std::{fmt::{Debug, Display}}};
",
);
}
@ -319,6 +415,15 @@ use std::{fmt::Debug, fmt$0::Display};
",
r"
use std::{fmt::{Debug, Display}};
",
);
check_assist_import_one(
merge_imports,
r"
use {std::{fmt::Debug, fmt$0::Display}};
",
r"
use {std::{fmt::{Debug, Display}}};
",
);
}
@ -335,6 +440,11 @@ use std::{fmt::{self, Debug}};
use std::{fmt::{self, Debug, Display, Write}};
",
);
check_assist_import_one_variations!(
"std$0::{fmt::{Write, Display}}",
"std::{fmt::{self, Debug}}",
"use {std::{fmt::{self, Debug, Display, Write}}};"
);
}
#[test]
@ -349,6 +459,11 @@ use std::{fmt::{Write, Display}};
use std::{fmt::{self, Debug, Display, Write}};
",
);
check_assist_import_one_variations!(
"std$0::{fmt::{self, Debug}}",
"std::{fmt::{Write, Display}}",
"use {std::{fmt::{self, Debug, Display, Write}}};"
);
}
#[test]
@ -360,6 +475,15 @@ use std::{fmt$0::{self, Debug}, fmt::{Write, Display}};
",
r"
use std::{fmt::{self, Debug, Display, Write}};
",
);
check_assist_import_one(
merge_imports,
r"
use {std::{fmt$0::{self, Debug}, fmt::{Write, Display}}};
",
r"
use {std::{fmt::{self, Debug, Display, Write}}};
",
);
}
@ -375,7 +499,12 @@ use foo::{bar};
r"
use foo::{bar::{self}};
",
)
);
check_assist_import_one_variations!(
"foo::$0{bar::{self}}",
"foo::{bar}",
"use {foo::{bar::{self}}};"
);
}
#[test]
@ -389,7 +518,12 @@ use foo::{bar::{self}};
r"
use foo::{bar::{self}};
",
)
);
check_assist_import_one_variations!(
"foo::$0{bar}",
"foo::{bar::{self}}",
"use {foo::{bar::{self}}};"
);
}
#[test]
@ -403,7 +537,12 @@ use std::{fmt::{self, Display}};
r"
use std::{fmt::{self, Display, *}};
",
)
);
check_assist_import_one_variations!(
"std$0::{fmt::*}",
"std::{fmt::{self, Display}}",
"use {std::{fmt::{self, Display, *}}};"
);
}
#[test]
@ -417,7 +556,12 @@ use std::str;
r"
use std::{cell::*, str};
",
)
);
check_assist_import_one_variations!(
"std$0::cell::*",
"std::str",
"use {std::{cell::*, str}};"
);
}
#[test]
@ -431,7 +575,12 @@ use std::str::*;
r"
use std::{cell::*, str::*};
",
)
);
check_assist_import_one_variations!(
"std$0::cell::*",
"std::str::*",
"use {std::{cell::*, str::*}};"
);
}
#[test]
@ -524,6 +673,11 @@ use foo::bar::Baz;
use foo::{bar::Baz, *};
",
);
check_assist_import_one_variations!(
"foo::$0*",
"foo::bar::Baz",
"use {foo::{bar::Baz, *}};"
);
}
#[test]
@ -541,6 +695,21 @@ $0use std::fmt::Result;
use std::fmt::Error;
use std::fmt::{Debug, Display, Write};
use std::fmt::Result;
",
);
check_assist_import_one(
merge_imports,
r"
use std::fmt::Error;
$0use std::fmt::Display;
use std::fmt::Debug;
use std::fmt::Write;
$0use std::fmt::Result;
",
r"
use std::fmt::Error;
use {std::fmt::{Debug, Display, Write}};
use std::fmt::Result;
",
);
}

31
crates/ide-assists/src/tests.rs
View File

@ -50,6 +50,21 @@ pub(crate) const TEST_CONFIG_NO_SNIPPET_CAP: AssistConfig = AssistConfig {
assist_emit_must_use: false,
};
pub(crate) const TEST_CONFIG_IMPORT_ONE: AssistConfig = AssistConfig {
snippet_cap: SnippetCap::new(true),
allowed: None,
insert_use: InsertUseConfig {
granularity: ImportGranularity::One,
prefix_kind: hir::PrefixKind::Plain,
enforce_granularity: true,
group: true,
skip_glob_imports: true,
},
prefer_no_std: false,
prefer_prelude: true,
assist_emit_must_use: false,
};
pub(crate) fn with_single_file(text: &str) -> (RootDatabase, FileId) {
RootDatabase::with_single_file(text)
}
@ -76,6 +91,22 @@ pub(crate) fn check_assist_no_snippet_cap(
);
}
#[track_caller]
pub(crate) fn check_assist_import_one(
assist: Handler,
ra_fixture_before: &str,
ra_fixture_after: &str,
) {
let ra_fixture_after = trim_indent(ra_fixture_after);
check_with_config(
TEST_CONFIG_IMPORT_ONE,
assist,
ra_fixture_before,
ExpectedResult::After(&ra_fixture_after),
None,
);
}
// There is no way to choose what assist within a group you want to test against,
// so this is here to allow you choose.
pub(crate) fn check_assist_by_label(

8
crates/syntax/src/ast/node_ext.rs
View File

@ -327,6 +327,14 @@ impl ast::UseTree {
pub fn parent_use_tree_list(&self) -> Option<ast::UseTreeList> {
self.syntax().parent().and_then(ast::UseTreeList::cast)
}
pub fn top_use_tree(&self) -> ast::UseTree {
let mut this = self.clone();
while let Some(use_tree_list) = this.parent_use_tree_list() {
this = use_tree_list.parent_use_tree();
}
this
}
}
impl ast::UseTreeList {