DenterHelper.java 文件源码

private void initIfFirstRun() {
  if (indentations.isEmpty()) {
    indentations.push(0);
    // First invocation. Look for the first non-NL. Enqueue it, and possibly an indentation if that non-NL
    // token doesn't start at char 0.
    Token firstRealToken;
    do {
      firstRealToken = pullToken();
    }
    while(firstRealToken.getType() == nlToken);

    if (firstRealToken.getCharPositionInLine() > 0) {
      indentations.push(firstRealToken.getCharPositionInLine());
      dentsBuffer.add(createToken(indentToken, firstRealToken));
    }
    dentsBuffer.add(firstRealToken);
  }
}