本文整理汇总了Java中jdk.nashorn.internal.runtime.Property.NEEDS_DECLARATION属性的典型用法代码示例。如果您正苦于以下问题：Java Property.NEEDS_DECLARATION属性的具体用法？Java Property.NEEDS_DECLARATION怎么用？Java Property.NEEDS_DECLARATION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.NEEDS_DECLARATION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: 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) {
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;
}
return flags;
}
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;
}