new (SexpProcessor)

    # File lib/sexp_processor.rb, line 135
      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] # internal nodes that you can't get to
        @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