SimpleLexerState.java 文件源码

private SimpleLexerState(int mode, @NullAllowed IntegerStack modeStack) {
    this.mode = mode;
    if (modeStack == null || modeStack.isEmpty()) {
        this.modeStack = EMPTY_MODE_STACK;
    } else {
        this.modeStack = new IntegerStack(modeStack);
    }
}