new (SexpProcessor)

    # File lib/sexp_processor.rb, line 102
      def initialize
        @default_method      = nil
        @warn_on_default     = true
        @auto_shift_type     = false
        @strict              = false
        @unsupported         = [:alloca, :cfunc, :cref, :ifunc, :last, :memo,
                                :newline, :opt_n, :method]
        @unsupported_checked = false
        @debug               = {}
        @expected            = Sexp
        @require_empty       = true
        @exceptions          = {}

        # we do this on an instance basis so we can subclass it for
        # different processors.
        @processors = {}
        @rewriters  = {}
        @context    = []

        public_methods.each do |name|
          case name
          when /^process_(.*)/ then
            @processors[$1.intern] = name.intern
          when /^rewrite_(.*)/ then
            @rewriters[$1.intern]  = name.intern
          end
        end
      end