Java 类jdk.nashorn.internal.runtime.GlobalObject 实例源码

private ScriptObject globalFromMirror(final ScriptObjectMirror mirror) {
    ScriptObject sobj = mirror.getScriptObject();
    if (sobj instanceof GlobalObject && isOfContext(sobj, nashornContext)) {
        return sobj;
    }

    return null;
}

private void setContextVariables(final ScriptObject ctxtGlobal, final ScriptContext ctxt) {
    // set "context" global variable via contextProperty - because this
    // property is non-writable
    contextProperty.setObjectValue(ctxtGlobal, ctxtGlobal, ctxt, false);
    Object args = ScriptObjectMirror.unwrap(ctxt.getAttribute("arguments"), ctxtGlobal);
    if (args == null || args == UNDEFINED) {
        args = ScriptRuntime.EMPTY_ARRAY;
    }
    // if no arguments passed, expose it
    if (! (args instanceof ScriptObject)) {
        args = ((GlobalObject)ctxtGlobal).wrapAsObject(args);
        ctxtGlobal.set("arguments", args, false);
    }
}

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest origRequest, final LinkerServices linkerServices)
        throws Exception {
    final LinkRequest request = origRequest.withoutRuntimeContext(); // Nashorn has no runtime context

    final Object self = request.getReceiver();
    final GlobalObject global = (GlobalObject) Context.getGlobal();
    final NashornCallSiteDescriptor desc = (NashornCallSiteDescriptor) request.getCallSiteDescriptor();

    return Bootstrap.asType(global.primitiveLookup(request, self), linkerServices, desc);
}

private ScriptObject globalFromMirror(final ScriptObjectMirror mirror) {
    ScriptObject sobj = mirror.getScriptObject();
    if (sobj instanceof GlobalObject && isOfContext(sobj, nashornContext)) {
        return sobj;
    }

    return null;
}

private void setContextVariables(final ScriptObject ctxtGlobal, final ScriptContext ctxt) {
    // set "context" global variable via contextProperty - because this
    // property is non-writable
    contextProperty.setObjectValue(ctxtGlobal, ctxtGlobal, ctxt, false);
    Object args = ScriptObjectMirror.unwrap(ctxt.getAttribute("arguments"), ctxtGlobal);
    if (args == null || args == UNDEFINED) {
        args = ScriptRuntime.EMPTY_ARRAY;
    }
    // if no arguments passed, expose it
    if (! (args instanceof ScriptObject)) {
        args = ((GlobalObject)ctxtGlobal).wrapAsObject(args);
        ctxtGlobal.set("arguments", args, false);
    }
}

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest origRequest, final LinkerServices linkerServices)
        throws Exception {
    final LinkRequest request = origRequest.withoutRuntimeContext(); // Nashorn has no runtime context

    final Object self = request.getReceiver();
    final GlobalObject global = (GlobalObject) Context.getGlobal();
    final NashornCallSiteDescriptor desc = (NashornCallSiteDescriptor) request.getCallSiteDescriptor();

    return Bootstrap.asType(global.primitiveLookup(request, self), linkerServices, desc);
}

private ScriptObject globalFromMirror(final ScriptObjectMirror mirror) {
    ScriptObject sobj = mirror.getScriptObject();
    if (sobj instanceof GlobalObject && isOfContext(sobj, nashornContext)) {
        return sobj;
    }

    return null;
}

private void setContextVariables(final ScriptObject ctxtGlobal, final ScriptContext ctxt) {
    // set "context" global variable via contextProperty - because this
    // property is non-writable
    contextProperty.setObjectValue(ctxtGlobal, ctxtGlobal, ctxt, false);
    Object args = ScriptObjectMirror.unwrap(ctxt.getAttribute("arguments"), ctxtGlobal);
    if (args == null || args == UNDEFINED) {
        args = ScriptRuntime.EMPTY_ARRAY;
    }
    // if no arguments passed, expose it
    if (! (args instanceof ScriptObject)) {
        args = ((GlobalObject)ctxtGlobal).wrapAsObject(args);
        ctxtGlobal.set("arguments", args, false);
    }
}

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest origRequest, final LinkerServices linkerServices)
        throws Exception {
    final LinkRequest request = origRequest.withoutRuntimeContext(); // Nashorn has no runtime context

    final Object self = request.getReceiver();
    final GlobalObject global = (GlobalObject) Context.getGlobal();
    final NashornCallSiteDescriptor desc = (NashornCallSiteDescriptor) request.getCallSiteDescriptor();

    return Bootstrap.asType(global.primitiveLookup(request, self), linkerServices, desc);
}

@Override
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
    return global.newDataDescriptor(getObject(index), false, true, false);
}

@Override
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
    return global.newDataDescriptor(getObject(index), false, true, true);
}

@Override
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
    return global.newDataDescriptor(getObject(index), false, true, false);
}

@Override
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
    return global.newDataDescriptor(getObject(index), false, true, true);
}

@Override
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
    return global.newDataDescriptor(getObject(index), false, true, false);
}

@Override
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
    return global.newDataDescriptor(getObject(index), false, true, true);
}

/**
 * Returns property descriptor for element at a given index
 *
 * @param global the global object
 * @param index  the index
 *
 * @return property descriptor for element
 */
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
    return global.newDataDescriptor(getObject(index), true, true, true);
}

/**
 * Returns property descriptor for element at a given index
 *
 * @param global the global object
 * @param index  the index
 *
 * @return property descriptor for element
 */
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
    return global.newDataDescriptor(getObject(index), true, true, true);
}

/**
 * Returns property descriptor for element at a given index
 *
 * @param global the global object
 * @param index  the index
 *
 * @return property descriptor for element
 */
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
    return global.newDataDescriptor(getObject(index), true, true, true);
}