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Better cursor placement when adding impl members

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This commit is contained in:
Aleksey Kladov 2020-05-20 02:07:21 +02:00
parent a04cababaa
commit 767d169a2a
3 changed files with 50 additions and 42 deletions
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84
crates/ra_assists/src/handlers/add_missing_impl_members.rs
View file

@ -45,8 +45,8 @@ enum AddMissingImplMembersMode {
// }
//
// impl Trait<u32> for () {
// $0fn foo(&self) -> u32 {
// todo!()
// fn foo(&self) -> u32 {
// ${0:todo!()}
// }
//
// }
@ -167,15 +167,23 @@ fn add_missing_impl_members_inner(
let original_range = impl_item_list.syntax().text_range();
match ctx.config.snippet_cap {
None => builder.replace(original_range, new_impl_item_list.to_string()),
Some(cap) => builder.replace_snippet(
cap,
original_range,
render_snippet(
Some(cap) => {
let mut cursor = Cursor::Before(first_new_item.syntax());
let placeholder;
if let ast::AssocItem::FnDef(func) = &first_new_item {
if let Some(m) = func.syntax().descendants().find_map(ast::MacroCall::cast) {
if m.syntax().text() == "todo!()" {
placeholder = m;
cursor = Cursor::Replace(placeholder.syntax());
}
}
}
builder.replace_snippet(
cap,
new_impl_item_list.syntax(),
Cursor::Before(first_new_item.syntax()),
),
),
original_range,
render_snippet(cap, new_impl_item_list.syntax(), cursor),
)
}
};
})
}
@ -271,8 +279,8 @@ struct S;
impl Foo for S {
fn bar(&self) {}
$0fn foo(&self) {
todo!()
fn foo(&self) {
${0:todo!()}
}
}"#,
@ -291,8 +299,8 @@ impl Foo for S { <|> }"#,
trait Foo { fn foo(&self); }
struct S;
impl Foo for S {
$0fn foo(&self) {
todo!()
fn foo(&self) {
${0:todo!()}
}
}"#,
);
@ -310,8 +318,8 @@ impl Foo<u32> for S { <|> }"#,
trait Foo<T> { fn foo(&self, t: T) -> &T; }
struct S;
impl Foo<u32> for S {
$0fn foo(&self, t: u32) -> &u32 {
todo!()
fn foo(&self, t: u32) -> &u32 {
${0:todo!()}
}
}"#,
);
@ -329,8 +337,8 @@ impl<U> Foo<U> for S { <|> }"#,
trait Foo<T> { fn foo(&self, t: T) -> &T; }
struct S;
impl<U> Foo<U> for S {
$0fn foo(&self, t: U) -> &U {
todo!()
fn foo(&self, t: U) -> &U {
${0:todo!()}
}
}"#,
);
@ -348,8 +356,8 @@ impl Foo for S {}<|>"#,
trait Foo { fn foo(&self); }
struct S;
impl Foo for S {
$0fn foo(&self) {
todo!()
fn foo(&self) {
${0:todo!()}
}
}"#,
)
@ -373,8 +381,8 @@ mod foo {
}
struct S;
impl foo::Foo for S {
$0fn foo(&self, bar: foo::Bar) {
todo!()
fn foo(&self, bar: foo::Bar) {
${0:todo!()}
}
}"#,
);
@ -398,8 +406,8 @@ mod foo {
}
struct S;
impl foo::Foo for S {
$0fn foo(&self, bar: foo::Bar<u32>) {
todo!()
fn foo(&self, bar: foo::Bar<u32>) {
${0:todo!()}
}
}"#,
);
@ -423,8 +431,8 @@ mod foo {
}
struct S;
impl foo::Foo<u32> for S {
$0fn foo(&self, bar: foo::Bar<u32>) {
todo!()
fn foo(&self, bar: foo::Bar<u32>) {
${0:todo!()}
}
}"#,
);
@ -451,8 +459,8 @@ mod foo {
struct Param;
struct S;
impl foo::Foo<Param> for S {
$0fn foo(&self, bar: Param) {
todo!()
fn foo(&self, bar: Param) {
${0:todo!()}
}
}"#,
);
@ -478,8 +486,8 @@ mod foo {
}
struct S;
impl foo::Foo for S {
$0fn foo(&self, bar: foo::Bar<u32>::Assoc) {
todo!()
fn foo(&self, bar: foo::Bar<u32>::Assoc) {
${0:todo!()}
}
}"#,
);
@ -505,8 +513,8 @@ mod foo {
}
struct S;
impl foo::Foo for S {
$0fn foo(&self, bar: foo::Bar<foo::Baz>) {
todo!()
fn foo(&self, bar: foo::Bar<foo::Baz>) {
${0:todo!()}
}
}"#,
);
@ -530,8 +538,8 @@ mod foo {
}
struct S;
impl foo::Foo for S {
$0fn foo(&self, bar: dyn Fn(u32) -> i32) {
todo!()
fn foo(&self, bar: dyn Fn(u32) -> i32) {
${0:todo!()}
}
}"#,
);
@ -645,8 +653,8 @@ trait Foo<T = Self> {
struct S;
impl Foo for S {
$0fn bar(&self, other: &Self) {
todo!()
fn bar(&self, other: &Self) {
${0:todo!()}
}
}"#,
)
@ -670,8 +678,8 @@ trait Foo<T1, T2 = Self> {
struct S<T>;
impl Foo<T> for S<T> {
$0fn bar(&self, this: &T, that: &Self) {
todo!()
fn bar(&self, this: &T, that: &Self) {
${0:todo!()}
}
}"#,
)

4
crates/ra_assists/src/tests/generated.rs
View file

@ -180,8 +180,8 @@ trait Trait<T> {
}
impl Trait<u32> for () {
$0fn foo(&self) -> u32 {
todo!()
fn foo(&self) -> u32 {
${0:todo!()}
}
}

4
docs/user/assists.md
View file

@ -175,8 +175,8 @@ trait Trait<T> {
}
impl Trait<u32> for () {
$0fn foo(&self) -> u32 {
todo!()
fn foo(&self) -> u32 {
${0:todo!()}
}
}