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Java ScriptObject.defineOwnProperty方法代码示例

本文整理汇总了Java中jdk.nashorn.internal.runtime.ScriptObject.defineOwnProperty方法的典型用法代码示例。如果您正苦于以下问题:Java ScriptObject.defineOwnProperty方法的具体用法?Java ScriptObject.defineOwnProperty怎么用?Java ScriptObject.defineOwnProperty使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在jdk.nashorn.internal.runtime.ScriptObject的用法示例。


在下文中一共展示了ScriptObject.defineOwnProperty方法的5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: defineProperties

import jdk.nashorn.internal.runtime.ScriptObject; //导入方法依赖的package包/类
/**
 * ECMA 5.2.3.7 Object.defineProperties ( O, Properties )
 *
 * @param self  self reference
 * @param obj   object in which to define properties
 * @param props properties
 * @return object
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static ScriptObject defineProperties(final Object self, final Object obj, final Object props) {
    final ScriptObject sobj     = Global.checkObject(obj);
    final Object       propsObj = Global.toObject(props);

    if (propsObj instanceof ScriptObject) {
        final Object[] keys = ((ScriptObject)propsObj).getOwnKeys(false);
        for (final Object key : keys) {
            final String prop = JSType.toString(key);
            sobj.defineOwnProperty(prop, ((ScriptObject)propsObj).get(prop), true);
        }
    }
    return sobj;
}
 
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:23,代码来源:NativeObject.java

示例2: splice

import jdk.nashorn.internal.runtime.ScriptObject; //导入方法依赖的package包/类
/**
 * ECMA 15.4.4.12 Array.prototype.splice ( start, deleteCount [ item1 [ , item2 [ , ... ] ] ] )
 *
 * @param self self reference
 * @param args arguments
 * @return result of splice
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2)
public static Object splice(final Object self, final Object... args) {
    final Object obj = Global.toObject(self);

    if (!(obj instanceof ScriptObject)) {
        return ScriptRuntime.UNDEFINED;
    }

    final Object start = args.length > 0 ? args[0] : ScriptRuntime.UNDEFINED;
    final Object deleteCount = args.length > 1 ? args[1] : ScriptRuntime.UNDEFINED;

    Object[] items;

    if (args.length > 2) {
        items = new Object[args.length - 2];
        System.arraycopy(args, 2, items, 0, items.length);
    } else {
        items = ScriptRuntime.EMPTY_ARRAY;
    }

    final ScriptObject sobj                = (ScriptObject)obj;
    final long         len                 = JSType.toUint32(sobj.getLength());
    final long         relativeStart       = JSType.toLong(start);

    final long actualStart = relativeStart < 0 ? Math.max(len + relativeStart, 0) : Math.min(relativeStart, len);
    final long actualDeleteCount = Math.min(Math.max(JSType.toLong(deleteCount), 0), len - actualStart);

    NativeArray returnValue;

    if (actualStart <= Integer.MAX_VALUE && actualDeleteCount <= Integer.MAX_VALUE && bulkable(sobj)) {
        try {
            returnValue =  new NativeArray(sobj.getArray().fastSplice((int)actualStart, (int)actualDeleteCount, items.length));

            // Since this is a dense bulkable array we can use faster defineOwnProperty to copy new elements
            int k = (int) actualStart;
            for (int i = 0; i < items.length; i++, k++) {
                sobj.defineOwnProperty(k, items[i]);
            }
        } catch (final UnsupportedOperationException uoe) {
            returnValue = slowSplice(sobj, actualStart, actualDeleteCount, items, len);
        }
    } else {
        returnValue = slowSplice(sobj, actualStart, actualDeleteCount, items, len);
    }

    return returnValue;
}
 
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:55,代码来源:NativeArray.java

示例3: splice

import jdk.nashorn.internal.runtime.ScriptObject; //导入方法依赖的package包/类
/**
 * ECMA 15.4.4.12 Array.prototype.splice ( start, deleteCount [ item1 [ , item2 [ , ... ] ] ] )
 *
 * @param self self reference
 * @param args arguments
 * @return result of splice
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2)
public static Object splice(final Object self, final Object... args) {
    final Object obj = Global.toObject(self);

    if (!(obj instanceof ScriptObject)) {
        return ScriptRuntime.UNDEFINED;
    }

    final ScriptObject sobj          = (ScriptObject)obj;
    final long         len           = JSType.toUint32(sobj.getLength());
    final long         relativeStart = JSType.toLong(args.length > 0 ? args[0] : ScriptRuntime.UNDEFINED);

    final long actualStart = relativeStart < 0 ? Math.max(len + relativeStart, 0) : Math.min(relativeStart, len);
    final long actualDeleteCount;
    Object[] items = ScriptRuntime.EMPTY_ARRAY;

    if (args.length == 0) {
        actualDeleteCount = 0;
    } else if (args.length == 1) {
        actualDeleteCount = len - actualStart;
    } else {
        actualDeleteCount = Math.min(Math.max(JSType.toLong(args[1]), 0), len - actualStart);
        if (args.length > 2) {
            items = new Object[args.length - 2];
            System.arraycopy(args, 2, items, 0, items.length);
        }
    }

    NativeArray returnValue;

    if (actualStart <= Integer.MAX_VALUE && actualDeleteCount <= Integer.MAX_VALUE && bulkable(sobj)) {
        try {
            returnValue = new NativeArray(sobj.getArray().fastSplice((int)actualStart, (int)actualDeleteCount, items.length));

            // Since this is a dense bulkable array we can use faster defineOwnProperty to copy new elements
            int k = (int) actualStart;
            for (int i = 0; i < items.length; i++, k++) {
                sobj.defineOwnProperty(k, items[i]);
            }
        } catch (final UnsupportedOperationException uoe) {
            returnValue = slowSplice(sobj, actualStart, actualDeleteCount, items, len);
        }
    } else {
        returnValue = slowSplice(sobj, actualStart, actualDeleteCount, items, len);
    }

    return returnValue;
}
 
开发者ID:AdoptOpenJDK,项目名称:openjdk-jdk10,代码行数:56,代码来源:NativeArray.java

示例4: defineProperty

import jdk.nashorn.internal.runtime.ScriptObject; //导入方法依赖的package包/类
/**
 * ECMA 15.2.3.6 Object.defineProperty ( O, P, Attributes )
 *
 * @param self self reference
 * @param obj  object in which to define a property
 * @param prop property to define
 * @param attr attributes for property descriptor
 * @return object
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static ScriptObject defineProperty(final Object self, final Object obj, final Object prop, final Object attr) {
    final ScriptObject sobj = Global.checkObject(obj);
    sobj.defineOwnProperty(JSType.toString(prop), attr, true);
    return sobj;
}
 
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:16,代码来源:NativeObject.java

示例5: defineProperty

import jdk.nashorn.internal.runtime.ScriptObject; //导入方法依赖的package包/类
/**
 * ECMA 15.2.3.6 Object.defineProperty ( O, P, Attributes )
 *
 * @param self self reference
 * @param obj  object in which to define a property
 * @param prop property to define
 * @param attr attributes for property descriptor
 * @return object
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static ScriptObject defineProperty(final Object self, final Object obj, final Object prop, final Object attr) {
    final ScriptObject sobj = Global.checkObject(obj);
    sobj.defineOwnProperty(JSType.toPropertyKey(prop), attr, true);
    return sobj;
}
 
开发者ID:AdoptOpenJDK,项目名称:openjdk-jdk10,代码行数:16,代码来源:NativeObject.java


注:本文中的jdk.nashorn.internal.runtime.ScriptObject.defineOwnProperty方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。