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-rw-r--r--crates/ide/src/lib.rs8
-rw-r--r--crates/ide/src/references/rename.rs19
2 files changed, 26 insertions, 1 deletions
diff --git a/crates/ide/src/lib.rs b/crates/ide/src/lib.rs
index dbad9a84f..52c7f9775 100644
--- a/crates/ide/src/lib.rs
+++ b/crates/ide/src/lib.rs
@@ -535,6 +535,14 @@ impl Analysis {
535 self.with_db(|db| references::rename::prepare_rename(db, position)) 535 self.with_db(|db| references::rename::prepare_rename(db, position))
536 } 536 }
537 537
538 pub fn will_rename_file(
539 &self,
540 file_id: FileId,
541 new_name_stem: &str,
542 ) -> Cancelable<Option<SourceChange>> {
543 self.with_db(|db| references::rename::will_rename_file(db, file_id, new_name_stem))
544 }
545
538 pub fn structural_search_replace( 546 pub fn structural_search_replace(
539 &self, 547 &self,
540 query: &str, 548 query: &str,
diff --git a/crates/ide/src/references/rename.rs b/crates/ide/src/references/rename.rs
index cd721b7eb..15c95f239 100644
--- a/crates/ide/src/references/rename.rs
+++ b/crates/ide/src/references/rename.rs
@@ -6,7 +6,7 @@ use std::{
6}; 6};
7 7
8use hir::{Module, ModuleDef, ModuleSource, Semantics}; 8use hir::{Module, ModuleDef, ModuleSource, Semantics};
9use ide_db::base_db::{AnchoredPathBuf, FileRange, SourceDatabaseExt}; 9use ide_db::base_db::{AnchoredPathBuf, FileId, FileRange, SourceDatabaseExt};
10use ide_db::{ 10use ide_db::{
11 defs::{Definition, NameClass, NameRefClass}, 11 defs::{Definition, NameClass, NameRefClass},
12 RootDatabase, 12 RootDatabase,
@@ -110,6 +110,23 @@ pub(crate) fn rename_with_semantics(
110 } 110 }
111} 111}
112 112
113pub(crate) fn will_rename_file(
114 db: &RootDatabase,
115 file_id: FileId,
116 new_name_stem: &str,
117) -> Option<SourceChange> {
118 let sema = Semantics::new(db);
119 let module = sema.to_module_def(file_id)?;
120
121 let decl = module.declaration_source(db)?;
122 let range = decl.value.name()?.syntax().text_range();
123
124 let position = FilePosition { file_id: decl.file_id.original_file(db), offset: range.start() };
125 let mut change = rename_mod(&sema, position, module, new_name_stem).ok()?.info;
126 change.file_system_edits.clear();
127 Some(change)
128}
129
113fn find_module_at_offset( 130fn find_module_at_offset(
114 sema: &Semantics<RootDatabase>, 131 sema: &Semantics<RootDatabase>,
115 position: FilePosition, 132 position: FilePosition,