diff options
Diffstat (limited to 'helix-core')
-rw-r--r-- | helix-core/src/indent.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/helix-core/src/indent.rs b/helix-core/src/indent.rs index d272dd68..9489baa7 100644 --- a/helix-core/src/indent.rs +++ b/helix-core/src/indent.rs @@ -313,6 +313,27 @@ 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) { + Some(node) => node, + None => return scopes, + }; + + scopes.push(node.kind()); + + while let Some(parent) = node.parent() { + scopes.push(parent.kind()) + } + } + + scopes.reverse(); + + return scopes; +} + #[cfg(test)] mod test { use super::*; |