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-rw-r--r--crates/ide/src/lib.rs6
1 files changed, 6 insertions, 0 deletions
diff --git a/crates/ide/src/lib.rs b/crates/ide/src/lib.rs
index b24c664ba..99e45633e 100644
--- a/crates/ide/src/lib.rs
+++ b/crates/ide/src/lib.rs
@@ -244,6 +244,12 @@ impl Analysis {
244 self.with_db(|db| db.parse(file_id).tree()) 244 self.with_db(|db| db.parse(file_id).tree())
245 } 245 }
246 246
247 /// Returns true if this file belongs to an immutable library.
248 pub fn is_library_file(&self, file_id: FileId) -> Cancelable<bool> {
249 use ide_db::base_db::SourceDatabaseExt;
250 self.with_db(|db| db.source_root(db.file_source_root(file_id)).is_library)
251 }
252
247 /// Gets the file's `LineIndex`: data structure to convert between absolute 253 /// Gets the file's `LineIndex`: data structure to convert between absolute
248 /// offsets and line/column representation. 254 /// offsets and line/column representation.
249 pub fn file_line_index(&self, file_id: FileId) -> Cancelable<Arc<LineIndex>> { 255 pub fn file_line_index(&self, file_id: FileId) -> Cancelable<Arc<LineIndex>> {