Allow `$` in `tree-sitter parse --edit`
You can now specify `$` as the position to apply an edit, signifying the
end of the file.  (That prevents you from having to calculate the size
of the file yourself.)
@@ -311,7 +311,9 @@ fn parse_edit_flag(source_code: &Vec<u8>, flag: &str) -> Result<Edit> {
let inserted_text = parts.collect::<Vec<_>>().join(" ").into_bytes();
// Position can either be a byte_offset or row,column pair, separated by a comma
- let position = if position.contains(",") {
+ let position = if position == "$" {
+ source_code.len()
+ } else if position.contains(",") {
let mut parts = position.split(",");
let row = parts.next().ok_or_else(error)?;
let row = usize::from_str_radix(row, 10).map_err(|_| error())?;
