SSR: Restrict to current selection if any

The selection is also used to avoid unnecessary work, but only to the
file level. Further restricting unnecessary work is left for later.

2 files changed, 8 insertions, 3 deletions

diff --git a/crates/ra_ide/src/lib.rs b/crates/ra_ide/src/lib.rs
index 4c4d9f6fa..0fede0d87 100644
--- a/crates/ra_ide/src/lib.rs
+++ b/crates/ra_ide/src/lib.rs
@@ -510,9 +510,10 @@ impl Analysis {
         query: &str,
         parse_only: bool,
         position: FilePosition,
+        selections: Vec<FileRange>,
     ) -> Cancelable<Result<SourceChange, SsrError>> {
         self.with_db(|db| {
-            let edits = ssr::parse_search_replace(query, parse_only, db, position)?;
+            let edits = ssr::parse_search_replace(query, parse_only, db, position, selections)?;
             Ok(SourceChange::from(edits))
         })
     }
diff --git a/crates/ra_ide/src/ssr.rs b/crates/ra_ide/src/ssr.rs
index 95d8f79b8..63010677a 100644
--- a/crates/ra_ide/src/ssr.rs
+++ b/crates/ra_ide/src/ssr.rs
@@ -1,4 +1,4 @@
-use ra_db::FilePosition;
+use ra_db::{FilePosition, FileRange};
 use ra_ide_db::RootDatabase;
 
 use crate::SourceFileEdit;
@@ -24,6 +24,9 @@ use ra_ssr::{MatchFinder, SsrError, SsrRule};
 // Method calls should generally be written in UFCS form. e.g. `foo::Bar::baz($s, $a)` will match
 // `$s.baz($a)`, provided the method call `baz` resolves to the method `foo::Bar::baz`.
 //
+// The scope of the search / replace will be restricted to the current selection if any, otherwise
+// it will apply to the whole workspace.
+//
 // Placeholders may be given constraints by writing them as `${<name>:<constraint1>:<constraint2>...}`.
 //
 // Supported constraints:
@@ -57,9 +60,10 @@ pub fn parse_search_replace(
     parse_only: bool,
     db: &RootDatabase,
     position: FilePosition,
+    selections: Vec<FileRange>,
 ) -> Result<Vec<SourceFileEdit>, SsrError> {
     let rule: SsrRule = rule.parse()?;
-    let mut match_finder = MatchFinder::in_context(db, position);
+    let mut match_finder = MatchFinder::in_context(db, position, selections);
     match_finder.add_rule(rule)?;
     if parse_only {
         return Ok(Vec::new());