Function rustc_span::analyze_source_file::analyze_source_file_dispatch

pub(in analyze_source_file) fn analyze_source_file_dispatch(
    src: &str, 
    source_file_start_pos: BytePos, 
    lines: &mut Vec<BytePos>, 
    multi_byte_chars: &mut Vec<MultiByteChar>, 
    non_narrow_chars: &mut Vec<NonNarrowChar>
)