diff options
| -rw-r--r-- | helix-core/src/indent.rs | 21 | ||||
| -rw-r--r-- | helix-term/src/commands.rs | 21 |
2 files changed, 42 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::*; diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index 0d118dbc..b5671723 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -1883,6 +1883,20 @@ mod cmd { doc.reload(view.id) } + fn tree_sitter_scopes( + cx: &mut compositor::Context, + _args: &[&str], + _event: PromptEvent, + ) -> anyhow::Result<()> { + let (view, doc) = current!(cx.editor); + let text = doc.text().slice(..); + + let pos = doc.selection(view.id).primary().cursor(text); + let scopes = indent::get_scopes(doc.syntax(), text, pos); + cx.editor.set_status(format!("scopes: {:?}", &scopes)); + Ok(()) + } + pub const TYPABLE_COMMAND_LIST: &[TypableCommand] = &[ TypableCommand { name: "quit", @@ -2114,6 +2128,13 @@ mod cmd { doc: "Discard changes and reload from the source file.", fun: reload, completer: None, + }, + TypableCommand { + name: "tree-sitter-scopes", + alias: None, + doc: "Display tree sitter scopes, primarily for theming and development.", + fun: tree_sitter_scopes, + completer: None, } ]; |