Unnamed repository; edit this file 'description' to name the repository.
-rw-r--r--crates/ide-assists/src/handlers/generate_impl.rs223
-rw-r--r--crates/ide-assists/src/handlers/generate_trait_impl.rs226
-rw-r--r--crates/ide-assists/src/lib.rs3
3 files changed, 222 insertions, 230 deletions
diff --git a/crates/ide-assists/src/handlers/generate_impl.rs b/crates/ide-assists/src/handlers/generate_impl.rs
index 1bea220f38..690c97e26d 100644
--- a/crates/ide-assists/src/handlers/generate_impl.rs
+++ b/crates/ide-assists/src/handlers/generate_impl.rs
@@ -1,6 +1,9 @@
use syntax::ast::{self, AstNode, HasName};
-use crate::{utils::generate_impl_text, AssistContext, AssistId, AssistKind, Assists};
+use crate::{
+ utils::{generate_impl_text, generate_trait_impl_text},
+ AssistContext, AssistId, AssistKind, Assists,
+};
// Assist: generate_impl
//
@@ -50,6 +53,54 @@ pub(crate) fn generate_impl(acc: &mut Assists, ctx: &AssistContext<'_>) -> Optio
)
}
+// Assist: generate_trait_impl
+//
+// Adds a new trait impl for a type.
+//
+// ```
+// struct $0Ctx<T: Clone> {
+// data: T,
+// }
+// ```
+// ->
+// ```
+// struct Ctx<T: Clone> {
+// data: T,
+// }
+//
+// impl<T: Clone> $0 for Ctx<T> {
+//
+// }
+// ```
+pub(crate) fn generate_trait_impl(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
+ let nominal = ctx.find_node_at_offset::<ast::Adt>()?;
+ let name = nominal.name()?;
+ let target = nominal.syntax().text_range();
+
+ if let Some(_) = ctx.find_node_at_offset::<ast::RecordFieldList>() {
+ return None;
+ }
+
+ acc.add(
+ AssistId("generate_trait_impl", AssistKind::Generate),
+ format!("Generate trait impl for `{name}`"),
+ target,
+ |edit| {
+ let start_offset = nominal.syntax().text_range().end();
+ match ctx.config.snippet_cap {
+ Some(cap) => {
+ let snippet = generate_trait_impl_text(&nominal, "$0", "");
+ edit.insert_snippet(cap, start_offset, snippet);
+ }
+ None => {
+ let text = generate_trait_impl_text(&nominal, "", "");
+ edit.insert(start_offset, text);
+ }
+ }
+ },
+ )
+}
+
#[cfg(test)]
mod tests {
use crate::tests::{check_assist, check_assist_target};
@@ -211,7 +262,7 @@ mod tests {
}
#[test]
- fn add_trait_impl_target() {
+ fn add_impl_target() {
check_assist_target(
generate_impl,
r#"
@@ -223,4 +274,172 @@ mod tests {
"/// Has a lifetime parameter\nstruct Foo<'a, T: Foo<'a>> {}",
);
}
+
+ #[test]
+ fn test_add_trait_impl() {
+ check_assist(
+ generate_trait_impl,
+ r#"
+ struct Foo$0 {}
+ "#,
+ r#"
+ struct Foo {}
+
+ impl $0 for Foo {
+
+ }
+ "#,
+ );
+ }
+
+ #[test]
+ fn test_add_trait_impl_with_generics() {
+ check_assist(
+ generate_trait_impl,
+ r#"
+ struct Foo$0<T: Clone> {}
+ "#,
+ r#"
+ struct Foo<T: Clone> {}
+
+ impl<T: Clone> $0 for Foo<T> {
+
+ }
+ "#,
+ );
+ }
+
+ #[test]
+ fn test_add_trait_impl_with_generics_and_lifetime_parameters() {
+ check_assist(
+ generate_trait_impl,
+ r#"
+ struct Foo<'a, T: Foo<'a>>$0 {}
+ "#,
+ r#"
+ struct Foo<'a, T: Foo<'a>> {}
+
+ impl<'a, T: Foo<'a>> $0 for Foo<'a, T> {
+
+ }
+ "#,
+ );
+ }
+
+ #[test]
+ fn test_add_trait_impl_with_attributes() {
+ check_assist(
+ generate_trait_impl,
+ r#"
+ #[cfg(feature = "foo")]
+ struct Foo<'a, T: Foo$0<'a>> {}
+ "#,
+ r#"
+ #[cfg(feature = "foo")]
+ struct Foo<'a, T: Foo<'a>> {}
+
+ #[cfg(feature = "foo")]
+ impl<'a, T: Foo<'a>> $0 for Foo<'a, T> {
+
+ }
+ "#,
+ );
+ }
+
+ #[test]
+ fn test_add_trait_impl_with_default_generic() {
+ check_assist(
+ generate_trait_impl,
+ r#"
+ struct Defaulted$0<T = i32> {}
+ "#,
+ r#"
+ struct Defaulted<T = i32> {}
+
+ impl<T> $0 for Defaulted<T> {
+
+ }
+ "#,
+ );
+ }
+
+ #[test]
+ fn test_add_trait_impl_with_constrained_default_generic() {
+ check_assist(
+ generate_trait_impl,
+ r#"
+ struct Defaulted$0<'a, 'b: 'a, T: Debug + Clone + 'a + 'b = String, const S: usize> {}
+ "#,
+ r#"
+ struct Defaulted<'a, 'b: 'a, T: Debug + Clone + 'a + 'b = String, const S: usize> {}
+
+ impl<'a, 'b: 'a, T: Debug + Clone + 'a + 'b, const S: usize> $0 for Defaulted<'a, 'b, T, S> {
+
+ }
+ "#,
+ );
+ }
+
+ #[test]
+ fn test_add_trait_impl_with_const_defaulted_generic() {
+ check_assist(
+ generate_trait_impl,
+ r#"
+ struct Defaulted$0<const N: i32 = 0> {}
+ "#,
+ r#"
+ struct Defaulted<const N: i32 = 0> {}
+
+ impl<const N: i32> $0 for Defaulted<N> {
+
+ }
+ "#,
+ );
+ }
+
+ #[test]
+ fn test_add_trait_impl_with_trait_constraint() {
+ check_assist(
+ generate_trait_impl,
+ r#"
+ pub trait Trait {}
+ struct Struct$0<T>
+ where
+ T: Trait,
+ {
+ inner: T,
+ }
+ "#,
+ r#"
+ pub trait Trait {}
+ struct Struct<T>
+ where
+ T: Trait,
+ {
+ inner: T,
+ }
+
+ impl<T> $0 for Struct<T>
+ where
+ T: Trait,
+ {
+
+ }
+ "#,
+ );
+ }
+
+ #[test]
+ fn add_trait_impl_target() {
+ check_assist_target(
+ generate_trait_impl,
+ r#"
+ struct SomeThingIrrelevant;
+ /// Has a lifetime parameter
+ struct Foo$0<'a, T: Foo<'a>> {}
+ struct EvenMoreIrrelevant;
+ "#,
+ "/// Has a lifetime parameter\nstruct Foo<'a, T: Foo<'a>> {}",
+ );
+ }
}
diff --git a/crates/ide-assists/src/handlers/generate_trait_impl.rs b/crates/ide-assists/src/handlers/generate_trait_impl.rs
deleted file mode 100644
index 7b1ee5b5c3..0000000000
--- a/crates/ide-assists/src/handlers/generate_trait_impl.rs
+++ /dev/null
@@ -1,226 +0,0 @@
-use syntax::ast::{self, AstNode, HasName};
-
-use crate::{utils::generate_trait_impl_text, AssistContext, AssistId, AssistKind, Assists};
-
-// Assist: generate_trait_impl
-//
-// Adds a new trait impl for a type.
-//
-// ```
-// struct $0Ctx<T: Clone> {
-// data: T,
-// }
-// ```
-// ->
-// ```
-// struct Ctx<T: Clone> {
-// data: T,
-// }
-//
-// impl<T: Clone> $0 for Ctx<T> {
-//
-// }
-// ```
-pub(crate) fn generate_trait_impl(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
- let nominal = ctx.find_node_at_offset::<ast::Adt>()?;
- let name = nominal.name()?;
- let target = nominal.syntax().text_range();
-
- if let Some(_) = ctx.find_node_at_offset::<ast::RecordFieldList>() {
- return None;
- }
-
- acc.add(
- AssistId("generate_trait_impl", AssistKind::Generate),
- format!("Generate trait impl for `{name}`"),
- target,
- |edit| {
- let start_offset = nominal.syntax().text_range().end();
- match ctx.config.snippet_cap {
- Some(cap) => {
- let snippet = generate_trait_impl_text(&nominal, "$0", "");
- edit.insert_snippet(cap, start_offset, snippet);
- }
- None => {
- let text = generate_trait_impl_text(&nominal, "", "");
- edit.insert(start_offset, text);
- }
- }
- },
- )
-}
-
-#[cfg(test)]
-mod tests {
- use crate::tests::{check_assist, check_assist_target};
-
- use super::*;
-
- #[test]
- fn test_add_trait_impl() {
- check_assist(
- generate_trait_impl,
- r#"
- struct Foo$0 {}
- "#,
- r#"
- struct Foo {}
-
- impl $0 for Foo {
-
- }
- "#,
- );
- }
-
- #[test]
- fn test_add_trait_impl_with_generics() {
- check_assist(
- generate_trait_impl,
- r#"
- struct Foo$0<T: Clone> {}
- "#,
- r#"
- struct Foo<T: Clone> {}
-
- impl<T: Clone> $0 for Foo<T> {
-
- }
- "#,
- );
- }
-
- #[test]
- fn test_add_trait_impl_with_generics_and_lifetime_parameters() {
- check_assist(
- generate_trait_impl,
- r#"
- struct Foo<'a, T: Foo<'a>>$0 {}
- "#,
- r#"
- struct Foo<'a, T: Foo<'a>> {}
-
- impl<'a, T: Foo<'a>> $0 for Foo<'a, T> {
-
- }
- "#,
- );
- }
-
- #[test]
- fn test_add_trait_impl_with_attributes() {
- check_assist(
- generate_trait_impl,
- r#"
- #[cfg(feature = "foo")]
- struct Foo<'a, T: Foo$0<'a>> {}
- "#,
- r#"
- #[cfg(feature = "foo")]
- struct Foo<'a, T: Foo<'a>> {}
-
- #[cfg(feature = "foo")]
- impl<'a, T: Foo<'a>> $0 for Foo<'a, T> {
-
- }
- "#,
- );
- }
-
- #[test]
- fn test_add_trait_impl_with_default_generic() {
- check_assist(
- generate_trait_impl,
- r#"
- struct Defaulted$0<T = i32> {}
- "#,
- r#"
- struct Defaulted<T = i32> {}
-
- impl<T> $0 for Defaulted<T> {
-
- }
- "#,
- );
- }
-
- #[test]
- fn test_add_trait_impl_with_constrained_default_generic() {
- check_assist(
- generate_trait_impl,
- r#"
- struct Defaulted$0<'a, 'b: 'a, T: Debug + Clone + 'a + 'b = String, const S: usize> {}
- "#,
- r#"
- struct Defaulted<'a, 'b: 'a, T: Debug + Clone + 'a + 'b = String, const S: usize> {}
-
- impl<'a, 'b: 'a, T: Debug + Clone + 'a + 'b, const S: usize> $0 for Defaulted<'a, 'b, T, S> {
-
- }
- "#,
- );
- }
-
- #[test]
- fn test_add_trait_impl_with_const_defaulted_generic() {
- check_assist(
- generate_trait_impl,
- r#"
- struct Defaulted$0<const N: i32 = 0> {}
- "#,
- r#"
- struct Defaulted<const N: i32 = 0> {}
-
- impl<const N: i32> $0 for Defaulted<N> {
-
- }
- "#,
- );
- }
-
- #[test]
- fn test_add_trait_impl_with_trait_constraint() {
- check_assist(
- generate_trait_impl,
- r#"
- pub trait Trait {}
- struct Struct$0<T>
- where
- T: Trait,
- {
- inner: T,
- }
- "#,
- r#"
- pub trait Trait {}
- struct Struct<T>
- where
- T: Trait,
- {
- inner: T,
- }
-
- impl<T> $0 for Struct<T>
- where
- T: Trait,
- {
-
- }
- "#,
- );
- }
-
- #[test]
- fn add_trait_impl_target() {
- check_assist_target(
- generate_trait_impl,
- r#"
- struct SomeThingIrrelevant;
- /// Has a lifetime parameter
- struct Foo$0<'a, T: Foo<'a>> {}
- struct EvenMoreIrrelevant;
- "#,
- "/// Has a lifetime parameter\nstruct Foo<'a, T: Foo<'a>> {}",
- );
- }
-}
diff --git a/crates/ide-assists/src/lib.rs b/crates/ide-assists/src/lib.rs
index e3c483cf0a..b12f99cc53 100644
--- a/crates/ide-assists/src/lib.rs
+++ b/crates/ide-assists/src/lib.rs
@@ -152,7 +152,6 @@ mod handlers {
mod generate_function;
mod generate_getter;
mod generate_impl;
- mod generate_trait_impl;
mod generate_is_empty_from_len;
mod generate_new;
mod generate_setter;
@@ -248,7 +247,7 @@ mod handlers {
generate_from_impl_for_enum::generate_from_impl_for_enum,
generate_function::generate_function,
generate_impl::generate_impl,
- generate_trait_impl::generate_trait_impl,
+ generate_impl::generate_trait_impl,
generate_is_empty_from_len::generate_is_empty_from_len,
generate_new::generate_new,
inline_call::inline_call,