Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide-assists/src/handlers/generate_setter.rs')
| -rw-r--r-- | crates/ide-assists/src/handlers/generate_setter.rs | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/crates/ide-assists/src/handlers/generate_setter.rs b/crates/ide-assists/src/handlers/generate_setter.rs deleted file mode 100644 index 62f72df1c9..0000000000 --- a/crates/ide-assists/src/handlers/generate_setter.rs +++ /dev/null @@ -1,175 +0,0 @@ -use stdx::{format_to, to_lower_snake_case}; -use syntax::ast::{self, AstNode, HasName, HasVisibility}; - -use crate::{ - utils::{find_impl_block_end, find_struct_impl, generate_impl_text}, - AssistContext, AssistId, AssistKind, Assists, GroupLabel, -}; - -// Assist: generate_setter -// -// Generate a setter method. -// -// ``` -// struct Person { -// nam$0e: String, -// } -// ``` -// -> -// ``` -// struct Person { -// name: String, -// } -// -// impl Person { -// fn set_name(&mut self, name: String) { -// self.name = name; -// } -// } -// ``` -pub(crate) fn generate_setter(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { - let strukt = ctx.find_node_at_offset::<ast::Struct>()?; - let field = ctx.find_node_at_offset::<ast::RecordField>()?; - - let field_name = field.name()?; - let field_ty = field.ty()?; - - // Return early if we've found an existing fn - let fn_name = to_lower_snake_case(&field_name.to_string()); - let impl_def = - find_struct_impl(ctx, &ast::Adt::Struct(strukt.clone()), &[format!("set_{fn_name}")])?; - - let target = field.syntax().text_range(); - acc.add_group( - &GroupLabel("Generate getter/setter".to_owned()), - AssistId("generate_setter", AssistKind::Generate), - "Generate a setter method", - target, - |builder| { - let mut buf = String::with_capacity(512); - - if impl_def.is_some() { - buf.push('\n'); - } - - let vis = strukt.visibility().map_or(String::new(), |v| format!("{v} ")); - format_to!( - buf, - " {vis}fn set_{fn_name}(&mut self, {fn_name}: {field_ty}) {{ - self.{fn_name} = {fn_name}; - }}" - ); - - let start_offset = impl_def - .and_then(|impl_def| find_impl_block_end(impl_def, &mut buf)) - .unwrap_or_else(|| { - buf = generate_impl_text(&ast::Adt::Struct(strukt.clone()), &buf); - strukt.syntax().text_range().end() - }); - - builder.insert(start_offset, buf); - }, - ) -} - -#[cfg(test)] -mod tests { - use crate::tests::{check_assist, check_assist_not_applicable}; - - use super::*; - - fn check_not_applicable(ra_fixture: &str) { - check_assist_not_applicable(generate_setter, ra_fixture) - } - - #[test] - fn test_generate_setter_from_field() { - check_assist( - generate_setter, - r#" -struct Person<T: Clone> { - dat$0a: T, -}"#, - r#" -struct Person<T: Clone> { - data: T, -} - -impl<T: Clone> Person<T> { - fn set_data(&mut self, data: T) { - self.data = data; - } -}"#, - ); - } - - #[test] - fn test_generate_setter_already_implemented() { - check_not_applicable( - r#" -struct Person<T: Clone> { - dat$0a: T, -} - -impl<T: Clone> Person<T> { - fn set_data(&mut self, data: T) { - self.data = data; - } -}"#, - ); - } - - #[test] - fn test_generate_setter_from_field_with_visibility_marker() { - check_assist( - generate_setter, - r#" -pub(crate) struct Person<T: Clone> { - dat$0a: T, -}"#, - r#" -pub(crate) struct Person<T: Clone> { - data: T, -} - -impl<T: Clone> Person<T> { - pub(crate) fn set_data(&mut self, data: T) { - self.data = data; - } -}"#, - ); - } - - #[test] - fn test_multiple_generate_setter() { - check_assist( - generate_setter, - r#" -struct Context<T: Clone> { - data: T, - cou$0nt: usize, -} - -impl<T: Clone> Context<T> { - fn set_data(&mut self, data: T) { - self.data = data; - } -}"#, - r#" -struct Context<T: Clone> { - data: T, - count: usize, -} - -impl<T: Clone> Context<T> { - fn set_data(&mut self, data: T) { - self.data = data; - } - - fn set_count(&mut self, count: usize) { - self.count = count; - } -}"#, - ); - } -} |