import com.intellij.lexer.LookAheadLexer; //导入依赖的package包/类
public GroovyDocLexer() {
  super(new LookAheadLexer(new AsteriskStripperLexer(new _GroovyDocLexer())) {
    @Override
    protected void lookAhead(Lexer baseLexer) {
      if (baseLexer.getTokenType() == mGDOC_INLINE_TAG_END) {
        advanceAs(baseLexer, mGDOC_COMMENT_DATA);
        return;
      }
      
      if (baseLexer.getTokenType() == mGDOC_INLINE_TAG_START) {
        int depth = 0;
        while (true) {
          IElementType type = baseLexer.getTokenType();
          if (type == null) {
            break;
          }
          if (type == mGDOC_INLINE_TAG_START) {
            depth++;
          }
          advanceLexer(baseLexer);
          if (type == mGDOC_INLINE_TAG_END) {
            depth--;
          }
          if (depth == 0) {
            break;
          }
        }
        return;
      }
      
      super.lookAhead(baseLexer);
    }
  }, TOKENS_TO_MERGE);
}