Add object.movement for tree-sitter navigation

3 files changed, 27 insertions, 4 deletions

diff --git a/helix-core/src/movement.rs b/helix-core/src/movement.rs
index e9cd299b..e559f1ea 100644
--- a/helix-core/src/movement.rs
+++ b/helix-core/src/movement.rs
@@ -321,10 +321,14 @@ pub fn goto_treesitter_object(
     let get_range = move || -> Option<Range> {
         let byte_pos = slice.char_to_byte(range.cursor(slice));
 
-        let capture_name = format!("{}.{}", object_name, TextObject::Around);
+        let cap_name = |t: TextObject| format!("{}.{}", object_name, t);
         let mut cursor = QueryCursor::new();
-        let nodes = lang_config.textobject_query()?.capture_nodes(
-            &capture_name,
+        let nodes = lang_config.textobject_query()?.capture_nodes_any(
+            &[
+                &cap_name(TextObject::Movement),
+                &cap_name(TextObject::Around),
+                &cap_name(TextObject::Inside),
+            ],
             slice_tree,
             slice,
             &mut cursor,
diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs
index a5c5e498..ccf91100 100644
--- a/helix-core/src/syntax.rs
+++ b/helix-core/src/syntax.rs
@@ -188,7 +188,21 @@ impl TextObjectQuery {
         slice: RopeSlice<'a>,
         cursor: &'a mut QueryCursor,
     ) -> Option<impl Iterator<Item = Node<'a>>> {
-        let capture_idx = self.query.capture_index_for_name(capture_name)?;
+        self.capture_nodes_any(&[capture_name], node, slice, cursor)
+    }
+
+    /// Find the first capture that exists out of all given `capture_names`
+    /// and return sub nodes that match this capture.
+    pub fn capture_nodes_any<'a>(
+        &'a self,
+        capture_names: &[&str],
+        node: Node<'a>,
+        slice: RopeSlice<'a>,
+        cursor: &'a mut QueryCursor,
+    ) -> Option<impl Iterator<Item = Node<'a>>> {
+        let capture_idx = capture_names
+            .iter()
+            .find_map(|cap| self.query.capture_index_for_name(cap))?;
         let captures = cursor.captures(&self.query, node, RopeProvider(slice));
 
         captures
diff --git a/helix-core/src/textobject.rs b/helix-core/src/textobject.rs
index 21ceec04..5a55a6f1 100644
--- a/helix-core/src/textobject.rs
+++ b/helix-core/src/textobject.rs
@@ -53,6 +53,8 @@ fn find_word_boundary(slice: RopeSlice, mut pos: usize, direction: Direction, lo
 pub enum TextObject {
     Around,
     Inside,
+    /// Used for moving between objects.
+    Movement,
 }
 
 impl Display for TextObject {
@@ -60,6 +62,7 @@ impl Display for TextObject {
         f.write_str(match self {
             Self::Around => "around",
             Self::Inside => "inside",
+            Self::Movement => "movement",
         })
     }
 }
@@ -104,6 +107,7 @@ pub fn textobject_word(
                 Range::new(word_start - whitespace_count_left, word_end)
             }
         }
+        TextObject::Movement => unreachable!(),
     }
 }
 
@@ -118,6 +122,7 @@ pub fn textobject_surround(
         .map(|(anchor, head)| match textobject {
             TextObject::Inside => Range::new(next_grapheme_boundary(slice, anchor), head),
             TextObject::Around => Range::new(anchor, next_grapheme_boundary(slice, head)),
+            TextObject::Movement => unreachable!(),
         })
         .unwrap_or(range)
 }