fix: tree-sitter-scopes would infinitely loop

This commit is contained in:
Blaž Hrastnik 2021-09-02 15:11:27 +09:00
parent a6108baec9
commit 585e3ce830

View file

@ -316,8 +316,12 @@ pub fn suggested_indent_for_pos(
pub fn get_scopes(syntax: Option<&Syntax>, text: RopeSlice, pos: usize) -> Vec<&'static str> {
let mut scopes = Vec::new();
if let Some(syntax) = syntax {
let byte_start = text.char_to_byte(pos);
let node = match get_highest_syntax_node_at_bytepos(syntax, byte_start) {
let pos = text.char_to_byte(pos);
let mut node = match syntax
.tree()
.root_node()
.descendant_for_byte_range(pos, pos)
{
Some(node) => node,
None => return scopes,
};
@ -325,7 +329,8 @@ pub fn get_scopes(syntax: Option<&Syntax>, text: RopeSlice, pos: usize) -> Vec<&
scopes.push(node.kind());
while let Some(parent) = node.parent() {
scopes.push(parent.kind())
scopes.push(parent.kind());
node = parent;
}
}