Method addLookaround

classpath/java/util/regex/Compiler.java:84–91

(PikeVM lookaround)

    }

    public int addLookaround(PikeVM lookaround) {
      if (program == null) {
        return -1;
      }
      int result = lookarounds.size();
      lookarounds.add(lookaround);
      return result;
    }
  }

  private abstract class Expression {