# File lib/racc/grammar.rb, line 870
    def initialize
      @symbols = []   # :: [Racc::Sym]
      @cache   = {}   # :: {(String|Symbol) => Racc::Sym}
      @dummy  = intern(:$start, true)
      @anchor = intern(false, true)     # Symbol ID = 0
      @error  = intern(:error, false)   # Symbol ID = 1
    end