bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/syntax/src/syntax_editor.rs')
-rw-r--r--crates/syntax/src/syntax_editor.rs19
1 files changed, 15 insertions, 4 deletions
diff --git a/crates/syntax/src/syntax_editor.rs b/crates/syntax/src/syntax_editor.rs
index 5107754b18..0b358878fc 100644
--- a/crates/syntax/src/syntax_editor.rs
+++ b/crates/syntax/src/syntax_editor.rs
@@ -83,6 +83,16 @@ impl SyntaxEditor {
self.changes.push(Change::Replace(element.syntax_element(), None));
}
+ pub fn delete_all(&mut self, range: RangeInclusive<SyntaxElement>) {
+ if range.start() == range.end() {
+ self.delete(range.start());
+ return;
+ }
+
+ debug_assert!(is_ancestor_or_self_of_element(range.start(), &self.root));
+ self.changes.push(Change::ReplaceAll(range, Vec::new()))
+ }
+
pub fn replace(&mut self, old: impl Element, new: impl Element) {
let old = old.syntax_element();
debug_assert!(is_ancestor_or_self_of_element(&old, &self.root));
@@ -609,6 +619,7 @@ mod tests {
fn test_replace_token_in_parent() {
let parent_fn = make::fn_(
None,
+ None,
make::name("it"),
None,
None,
@@ -626,10 +637,10 @@ mod tests {
if let Some(ret_ty) = parent_fn.ret_type() {
editor.delete(ret_ty.syntax().clone());
- if let Some(SyntaxElement::Token(token)) = ret_ty.syntax().next_sibling_or_token() {
- if token.kind().is_trivia() {
- editor.delete(token);
- }
+ if let Some(SyntaxElement::Token(token)) = ret_ty.syntax().next_sibling_or_token()
+ && token.kind().is_trivia()
+ {
+ editor.delete(token);
}
}