Unnamed repository; edit this file 'description' to name the repository.
fix: merge multiple intersecting ranges
| -rw-r--r-- | Cargo.lock | 1 | ||||
| -rw-r--r-- | crates/ide-assists/Cargo.toml | 1 | ||||
| -rw-r--r-- | crates/ide-assists/src/handlers/extract_module.rs | 82 |
3 files changed, 64 insertions, 20 deletions
diff --git a/Cargo.lock b/Cargo.lock index 275b77ce4a..4c255b12b7 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -655,6 +655,7 @@ dependencies = [ "ide-db", "itertools", "profile", + "smallvec", "sourcegen", "stdx", "syntax", diff --git a/crates/ide-assists/Cargo.toml b/crates/ide-assists/Cargo.toml index e781c0a016..b9260473b1 100644 --- a/crates/ide-assists/Cargo.toml +++ b/crates/ide-assists/Cargo.toml @@ -14,6 +14,7 @@ cov-mark = "2.0.0-pre.1" itertools = "0.10.5" either = "1.7.0" +smallvec = "1.10.0" stdx = { path = "../stdx", version = "0.0.0" } syntax = { path = "../syntax", version = "0.0.0" } diff --git a/crates/ide-assists/src/handlers/extract_module.rs b/crates/ide-assists/src/handlers/extract_module.rs index 56834394ae..81df190825 100644 --- a/crates/ide-assists/src/handlers/extract_module.rs +++ b/crates/ide-assists/src/handlers/extract_module.rs @@ -10,6 +10,8 @@ use ide_db::{ defs::{Definition, NameClass, NameRefClass}, search::{FileReference, SearchScope}, }; +use itertools::Itertools; +use smallvec::SmallVec; use stdx::format_to; use syntax::{ algo::find_node_at_range, @@ -657,28 +659,23 @@ impl Module { fn check_intersection_and_push( import_paths_to_be_removed: &mut Vec<TextRange>, - import_path: TextRange, + mut import_path: TextRange, ) { - if import_paths_to_be_removed.len() > 0 { - // Text ranges received here for imports are extended to the - // next/previous comma which can cause intersections among them - // and later deletion of these can cause panics similar - // to reported in #11766. So to mitigate it, we - // check for intersection between all current members - // and if it exists we combine both text ranges into - // one - let r = import_paths_to_be_removed - .into_iter() - .position(|it| it.intersect(import_path).is_some()); - match r { - Some(it) => { - import_paths_to_be_removed[it] = import_paths_to_be_removed[it].cover(import_path) - } - None => import_paths_to_be_removed.push(import_path), - } - } else { - import_paths_to_be_removed.push(import_path); + // Text ranges received here for imports are extended to the + // next/previous comma which can cause intersections among them + // and later deletion of these can cause panics similar + // to reported in #11766. So to mitigate it, we + // check for intersection between all current members + // and combine all such ranges into one. + let s: SmallVec<[_; 2]> = import_paths_to_be_removed + .into_iter() + .positions(|it| it.intersect(import_path).is_some()) + .collect(); + for pos in s.into_iter().rev() { + let intersecting_path = import_paths_to_be_removed.swap_remove(pos); + import_path = import_path.cover(intersecting_path); } + import_paths_to_be_removed.push(import_path); } fn does_source_exists_outside_sel_in_same_mod( @@ -1766,4 +1763,49 @@ mod modname { ", ) } + + #[test] + fn test_merge_multiple_intersections() { + check_assist( + extract_module, + r#" +mod dep { + pub struct A; + pub struct B; + pub struct C; +} + +use dep::{A, B, C}; + +$0struct S { + inner: A, + state: C, + condvar: B, +}$0 +"#, + r#" +mod dep { + pub struct A; + pub struct B; + pub struct C; +} + +use dep::{}; + +mod modname { + use super::dep::B; + + use super::dep::C; + + use super::dep::A; + + pub(crate) struct S { + pub(crate) inner: A, + pub(crate) state: C, + pub(crate) condvar: B, + } +} +"#, + ); + } } |