/// <summary>
/// 创建重复语句块。
/// </summary>
/// <param name="context">生成上下文。</param>
/// <param name="items">数据项集合。</param>
/// <param name="loader">属性值加载器。</param>
/// <param name="block">重复的语句块。</param>
public RepeatBlockFragment(GenerateContext context, IEnumerable items, IPropertyValueLoader loader = null, BlockFragment block = null)
: base(context)
{
Block = block ?? new BlockFragment(context);
Items = items;
Loader = loader;
}
/// <summary>
/// 创建WHILE循环。
/// </summary>
/// <param name="context">生成上下文。</param>
/// <param name="condition">循环条件语句。</param>
public WhileFragment(GenerateContext context, IExpressionFragment condition)
: base(context)
{
Block = new BlockFragment(context);
Condition = condition;
}