bugfix:     deal with class forward declaration     replace tabs with four space.     extra function name bugs     '}' in string caused problem.     match_function_name to be a  function
bugfix:
    deal with class forward declaration
    replace tabs with four space.
    extra function name bugs
    '}' in string caused problem.
    match_function_name to be a  function

rockkoca/sync-comments-h2s,rockkoca/sync-comments-h2s,rockkoca/sync-comments-h2s