本文整理了Java中org.parboiled.support.ValueStack.isEmpty()方法的一些代码示例，展示了ValueStack.isEmpty()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ValueStack.isEmpty()方法的具体详情如下：
包路径：org.parboiled.support.ValueStack
类名称：ValueStack
方法名：isEmpty

ValueStack.isEmpty介绍

[英]Determines whether the stack is empty.
[中]确定堆栈是否为空。

代码示例

代码示例来源：origin: org.geotools/gt-css

<T> List<T> popAll(Class... classes) {
  ValueStack<Object> valueStack = getContext().getValueStack();
  List<T> result = new ArrayList<T>();
  while (!valueStack.isEmpty() && isInstance(classes, valueStack.peek())) {
    result.add((T) valueStack.pop());
  }
  if (!valueStack.isEmpty() && valueStack.peek() == MARKER) {
    valueStack.pop();
  }
  Collections.reverse(result);
  return result;
}

代码示例来源：origin: org.parboiled/parboiled-core

@SuppressWarnings({"ConstantConditions"})
public void createNode() {
  if (!nodeSuppressed) {
    node = new NodeImpl<V>(matcher, getSubNodes(), startIndex, currentIndex,
        valueStack.isEmpty() ? null : valueStack.peek(), hasError);
    if (parent != null) {
      parent.subNodes = parent.subNodes.prepend(node);
    }
  }
}

代码示例来源：origin: jtwig/jtwig-core

@Test
public void set() throws Exception {
  ParsingResult<SetNode> result = parse(underTest.NodeRule(), "{% do 1 + 123 %}");
  assertThat(result.matched, is(true));
  assertThat(result.valueStack.isEmpty(), is(false));
}

代码示例来源：origin: jtwig/jtwig-core

@Test
  public void set() throws Exception {
    ParsingResult<SetNode> result = parse(underTest.NodeRule(), "{% set a = 123 %}");

    assertThat(result.matched, is(true));
    assertThat(result.valueStack.isEmpty(), is(false));
  }
}

代码示例来源：origin: org.geotools/gt-css

@Override
  public boolean run(Context ctx) {
    List contents = (List) pop();
    Selector selector = (Selector) pop();
    String comment = null;
    if (!ctx.getValueStack().isEmpty() && peek() instanceof String) {
      comment = (String) pop();
      comment = comment.trim();
      // get rid of the extra comments between rules
      while (!ctx.getValueStack().isEmpty() && peek() instanceof String) {
        pop();
      }
    }
    final Stream stream = contents.stream();
    Map<Boolean, List> splitContents =
        (Map<Boolean, List>)
            stream.collect(
                Collectors.partitioningBy(
                    x -> x instanceof CssRule));
    List<Property> properties = splitContents.get(Boolean.FALSE);
    List<CssRule> subRules = splitContents.get(Boolean.TRUE);
    final CssRule rule = new CssRule(selector, properties, comment);
    rule.nestedRules = subRules;
    push(rule);
    return true;
  }
});

代码示例来源：origin: org.parboiled/parboiled-core

/**
 * Creates a new ParsingResult.
 *
 * @param matched       true if the rule matched the input
 * @param parseTreeRoot the parse tree root node
 * @param valueStack    the value stack of the parsing run
 * @param parseErrors   the list of parse errors
 * @param inputBuffer   the input buffer
 */
public ParsingResult(boolean matched, Node<V> parseTreeRoot, ValueStack<V> valueStack, List<ParseError> parseErrors,
           InputBuffer inputBuffer) {
  this.matched = matched;
  this.parseTreeRoot = parseTreeRoot;
  this.valueStack = checkArgNotNull(valueStack, "valueStack");
  this.resultValue = valueStack.isEmpty() ? null : valueStack.peek();
  this.parseErrors = checkArgNotNull(parseErrors, "parseErrors");
  this.inputBuffer = checkArgNotNull(inputBuffer, "inputBuffer");
}