use lalrpop_mod;
use AlephTree as at;
lalrpop_mod!; // Generated parser from grammar.lalrpop
/// Parses a PL/I program into an AlephTree.
///
/// # Arguments
/// * `source` - String containing the PL/I code to parse.
///
/// # Returns
/// An `AlephTree` representing the parsed PL/I program.
/// In case of error, returns `at::Unit` and prints an error message.