本文整理汇总了Java中jdk.nashorn.internal.runtime.Property.DUAL_FIELDS属性的典型用法代码示例。如果您正苦于以下问题：Java Property.DUAL_FIELDS属性的具体用法？Java Property.DUAL_FIELDS怎么用？Java Property.DUAL_FIELDS使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类jdk.nashorn.internal.runtime.Property的用法示例。
在下文中一共展示了Property.DUAL_FIELDS属性的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: addObjectProperty
private PropertyMap addObjectProperty(final PropertyMap propertyMap, final List<Object> values,
final String id, final Object value) {
final Property oldProperty = propertyMap.findProperty(id);
final PropertyMap newMap;
final Class<?> type;
final int flags;
if (dualFields) {
type = getType(value);
flags = Property.DUAL_FIELDS;
} else {
type = Object.class;
flags = 0;
}
if (oldProperty != null) {
values.set(oldProperty.getSlot(), value);
newMap = propertyMap.replaceProperty(oldProperty, new SpillProperty(id, flags, oldProperty.getSlot(), type));;
} else {
values.add(value);
newMap = propertyMap.addProperty(new SpillProperty(id, flags, propertyMap.size(), type));
}
return newMap;
}
示例2: getPropertyFlags
/**
* Compute property flags given local state of a field. May be overridden and extended,
*
* @param symbol symbol to check
* @param hasArguments does the created object have an "arguments" property
*
* @return flags to use for fields
*/
static int getPropertyFlags(final Symbol symbol, final boolean hasArguments, final boolean evalCode, final boolean dualFields) {
int flags = 0;
if (symbol.isParam()) {
flags |= Property.IS_PARAMETER;
}
if (hasArguments) {
flags |= Property.HAS_ARGUMENTS;
}
// See ECMA 5.1 10.5 Declaration Binding Instantiation.
// Step 2 If code is eval code, then let configurableBindings
// be true else let configurableBindings be false.
// We have to make vars, functions declared in 'eval' code
// configurable. But vars, functions from any other code is
// not configurable.
if (symbol.isScope() && !evalCode) {
flags |= Property.NOT_CONFIGURABLE;
}
if (symbol.isFunctionDeclaration()) {
flags |= Property.IS_FUNCTION_DECLARATION;
}
if (symbol.isConst()) {
flags |= Property.NOT_WRITABLE;
}
if (symbol.isBlockScoped()) {
flags |= Property.IS_LEXICAL_BINDING;
}
// Mark symbol as needing declaration. Access before declaration will throw a ReferenceError.
if (symbol.isBlockScoped() && symbol.isScope()) {
flags |= Property.NEEDS_DECLARATION;
}
if (dualFields) {
flags |= Property.DUAL_FIELDS;
}
return flags;
}