* lib/adlint/cc1/interp.rb : Revise the interpreter interface in order
  to make evaluation modes of notification and side-effects suppression
  are orthogonal.
* lib/adlint/cc1/option.rb : Ditto.
* lib/adlint/cc1/expr.rb : Ditto.
* lib/adlint/exam/c_builtin/cc1_check.rb : Ditto.