本文整理汇总了Java中jdk.nashorn.internal.runtime.linker.NashornGuards类的典型用法代码示例。如果您正苦于以下问题：Java NashornGuards类的具体用法？Java NashornGuards怎么用？Java NashornGuards使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
NashornGuards类属于jdk.nashorn.internal.runtime.linker包，在下文中一共展示了NashornGuards类的14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，您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: noSuchMethod
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
/**
* Fall back if a function property is not found.
* @param desc The call site descriptor
* @param request the link request
* @return GuardedInvocation to be invoked at call site.
*/
public GuardedInvocation noSuchMethod(final CallSiteDescriptor desc, final LinkRequest request) {
final String name = desc.getNameToken(2);
final FindProperty find = findProperty(NO_SUCH_METHOD_NAME, true);
final boolean scopeCall = isScope() && NashornCallSiteDescriptor.isScope(desc);
if (find == null) {
return noSuchProperty(desc, request);
}
final Object value = getObjectValue(find);
if (! (value instanceof ScriptFunction)) {
return createEmptyGetter(desc, name);
}
final ScriptFunction func = (ScriptFunction)value;
final Object thiz = scopeCall && func.isStrict() ? ScriptRuntime.UNDEFINED : this;
// TODO: It'd be awesome if we could bind "name" without binding "this".
return new GuardedInvocation(MH.dropArguments(MH.constant(ScriptFunction.class,
func.makeBoundFunction(thiz, new Object[] { name })), 0, Object.class),
null, NashornGuards.getMapGuard(getMap()));
}
开发者ID:RedlineResearch，项目名称:OLD-OpenJDK8，代码行数:28，代码来源:ScriptObject.java
示例2: findGetIndexMethod
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
@Override
protected GuardedInvocation findGetIndexMethod(final CallSiteDescriptor desc, final LinkRequest request) {
final Object self = request.getReceiver();
final Class<?> returnType = desc.getMethodType().returnType();
if (returnType == Object.class && (self instanceof String || self instanceof ConsString)) {
try {
return new GuardedInvocation(MH.findStatic(MethodHandles.lookup(), NativeString.class, "get", desc.getMethodType()), NashornGuards.getInstanceOf2Guard(String.class, ConsString.class));
} catch (final LookupException e) {
//empty. Shouldn't happen. Fall back to super
}
}
return super.findGetIndexMethod(desc, request);
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:15，代码来源:NativeString.java
示例3: noSuchMethod
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
/**
* Fall back if a function property is not found.
* @param desc The call site descriptor
* @param request the link request
* @return GuardedInvocation to be invoked at call site.
*/
public GuardedInvocation noSuchMethod(final CallSiteDescriptor desc, final LinkRequest request) {
final String name = desc.getNameToken(2);
final FindProperty find = findProperty(NO_SUCH_METHOD_NAME, true);
final boolean scopeCall = isScope() && NashornCallSiteDescriptor.isScope(desc);
if (find == null) {
return noSuchProperty(desc, request);
}
final boolean explicitInstanceOfCheck = explicitInstanceOfCheck(desc, request);
final Object value = find.getObjectValue();
if (!(value instanceof ScriptFunction)) {
return createEmptyGetter(desc, explicitInstanceOfCheck, name);
}
final ScriptFunction func = (ScriptFunction)value;
final Object thiz = scopeCall && func.isStrict() ? UNDEFINED : this;
// TODO: It'd be awesome if we could bind "name" without binding "this".
// Since we're binding this we must use an identity guard here.
return new GuardedInvocation(
MH.dropArguments(
MH.constant(
ScriptFunction.class,
func.makeBoundFunction(thiz, new Object[] { name })),
0,
Object.class),
NashornGuards.combineGuards(
NashornGuards.getIdentityGuard(this),
NashornGuards.getMapGuard(getMap(), true)));
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:38，代码来源:ScriptObject.java
示例4: createEmptyGetter
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
private GuardedInvocation createEmptyGetter(final CallSiteDescriptor desc, final boolean explicitInstanceOfCheck, final String name) {
if (NashornCallSiteDescriptor.isOptimistic(desc)) {
throw new UnwarrantedOptimismException(UNDEFINED, NashornCallSiteDescriptor.getProgramPoint(desc), Type.OBJECT);
}
return new GuardedInvocation(Lookup.emptyGetter(desc.getMethodType().returnType()),
NashornGuards.getMapGuard(getMap(), explicitInstanceOfCheck), getProtoSwitchPoint(name, null),
explicitInstanceOfCheck ? null : ClassCastException.class);
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:10，代码来源:ScriptObject.java
示例5: fixScopeCallSite
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
private GuardedInvocation fixScopeCallSite(final GuardedInvocation link, final String name, final ScriptObject owner) {
final GuardedInvocation newLink = fixReceiverType(link, WITHSCOPEFILTER);
final MethodHandle expressionGuard = expressionGuard(name, owner);
final MethodHandle filterGuardReceiver = filterGuardReceiver(newLink, WITHSCOPEFILTER);
return link.replaceMethods(
filterReceiver(
newLink.getInvocation(),
WITHSCOPEFILTER),
NashornGuards.combineGuards(
expressionGuard,
filterGuardReceiver));
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:13，代码来源:WithObject.java
示例6: createGuardedInvocation
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
/**
* Composes from its components an actual guarded invocation that represents the dynamic setter method for the property.
* @return the composed guarded invocation that represents the dynamic setter method for the property.
*/
GuardedInvocation createGuardedInvocation() {
// getGuard() and getException() either both return null, or neither does. The reason for that is that now
// getGuard returns a map guard that casts its argument to ScriptObject, and if that fails, we need to
// relink on ClassCastException.
final boolean explicitInstanceOfCheck = NashornGuards.explicitInstanceOfCheck(desc, request);
return new GuardedInvocation(methodHandle, NashornGuards.getGuard(sobj, property, desc, explicitInstanceOfCheck),
(SwitchPoint)null, explicitInstanceOfCheck ? null : ClassCastException.class);
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:13，代码来源:SetMethodCreator.java
示例7: findGetIndexMethod
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
@Override
protected GuardedInvocation findGetIndexMethod(final CallSiteDescriptor desc, final LinkRequest request) {
final Object self = request.getReceiver();
final Class<?> returnType = desc.getMethodType().returnType();
if (returnType == Object.class && JSType.isString(self)) {
try {
return new GuardedInvocation(MH.findStatic(MethodHandles.lookup(), NativeString.class, "get", desc.getMethodType()), NashornGuards.getStringGuard());
} catch (final LookupException e) {
//empty. Shouldn't happen. Fall back to super
}
}
return super.findGetIndexMethod(desc, request);
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:15，代码来源:NativeString.java
示例8: noSuchMethod
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
/**
* Fall back if a function property is not found.
* @param desc The call site descriptor
* @param request the link request
* @return GuardedInvocation to be invoked at call site.
*/
public GuardedInvocation noSuchMethod(final CallSiteDescriptor desc, final LinkRequest request) {
final String name = NashornCallSiteDescriptor.getOperand(desc);
final FindProperty find = findProperty(NO_SUCH_METHOD_NAME, true);
final boolean scopeCall = isScope() && NashornCallSiteDescriptor.isScope(desc);
if (find == null) {
return noSuchProperty(desc, request)
// Add proto switchpoint to switch from no-such-property to no-such-method if it is ever defined.
.addSwitchPoint(getProtoSwitchPoint(NO_SUCH_METHOD_NAME));
}
final boolean explicitInstanceOfCheck = explicitInstanceOfCheck(desc, request);
final Object value = find.getObjectValue();
if (!(value instanceof ScriptFunction)) {
return createEmptyGetter(desc, explicitInstanceOfCheck, name);
}
final ScriptFunction func = (ScriptFunction)value;
final Object thiz = scopeCall && func.isStrict() ? UNDEFINED : this;
// TODO: It'd be awesome if we could bind "name" without binding "this".
// Since we're binding this we must use an identity guard here.
return new GuardedInvocation(
MH.dropArguments(
MH.constant(
ScriptFunction.class,
func.createBound(thiz, new Object[] { name })),
0,
Object.class),
NashornGuards.combineGuards(
NashornGuards.getIdentityGuard(this),
NashornGuards.getMapGuard(getMap(), true)))
// Add a protoype switchpoint for the original name so this gets invalidated if it is ever defined.
.addSwitchPoint(getProtoSwitchPoint(name));
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:42，代码来源:ScriptObject.java
示例9: createEmptyGetter
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
private GuardedInvocation createEmptyGetter(final CallSiteDescriptor desc, final boolean explicitInstanceOfCheck, final String name) {
if (NashornCallSiteDescriptor.isOptimistic(desc)) {
throw new UnwarrantedOptimismException(UNDEFINED, NashornCallSiteDescriptor.getProgramPoint(desc), Type.OBJECT);
}
return new GuardedInvocation(Lookup.emptyGetter(desc.getMethodType().returnType()),
NashornGuards.getMapGuard(getMap(), explicitInstanceOfCheck), getProtoSwitchPoints(name, null),
explicitInstanceOfCheck ? null : ClassCastException.class);
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:10，代码来源:ScriptObject.java
示例10: fixScopeCallSite
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
private GuardedInvocation fixScopeCallSite(final GuardedInvocation link, final String name, final ScriptObject owner) {
final GuardedInvocation newLink = fixReceiverType(link, WITHSCOPEFILTER);
final MethodHandle expressionGuard = expressionGuard(name, owner);
final MethodHandle filteredGuard = filterGuardReceiver(newLink, WITHSCOPEFILTER);
return link.replaceMethods(
filterReceiver(
newLink.getInvocation(),
WITHSCOPEFILTER),
NashornGuards.combineGuards(
expressionGuard,
filteredGuard));
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:13，代码来源:WithObject.java
示例11: noSuchMethod
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
/**
* Fall back if a function property is not found.
* @param desc The call site descriptor
* @param request the link request
* @return GuardedInvocation to be invoked at call site.
*/
public GuardedInvocation noSuchMethod(final CallSiteDescriptor desc, final LinkRequest request) {
final String name = NashornCallSiteDescriptor.getOperand(desc);
final FindProperty find = findProperty(NO_SUCH_METHOD_NAME, true);
final boolean scopeCall = isScope() && NashornCallSiteDescriptor.isScope(desc);
if (find == null) {
return noSuchProperty(desc, request);
}
final boolean explicitInstanceOfCheck = explicitInstanceOfCheck(desc, request);
final Object value = find.getObjectValue();
if (!(value instanceof ScriptFunction)) {
return createEmptyGetter(desc, explicitInstanceOfCheck, name);
}
final ScriptFunction func = (ScriptFunction)value;
final Object thiz = scopeCall && func.isStrict() ? UNDEFINED : this;
// TODO: It'd be awesome if we could bind "name" without binding "this".
// Since we're binding this we must use an identity guard here.
return new GuardedInvocation(
MH.dropArguments(
MH.constant(
ScriptFunction.class,
func.createBound(thiz, new Object[] { name })),
0,
Object.class),
NashornGuards.combineGuards(
NashornGuards.getIdentityGuard(this),
NashornGuards.getMapGuard(getMap(), true)));
}
开发者ID:campolake，项目名称:openjdk9，代码行数:38，代码来源:ScriptObject.java
示例12: findGetIndexMethod
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
@Override
protected GuardedInvocation findGetIndexMethod(final CallSiteDescriptor desc, final LinkRequest request) {
final Object self = request.getReceiver();
final Class<?> returnType = desc.getMethodType().returnType();
if (returnType == Object.class && JSType.isString(self)) {
try {
return new GuardedInvocation(MH.findStatic(MethodHandles.lookup(), NativeString.class, "get", desc.getMethodType()), NashornGuards.getInstanceOf2Guard(String.class, ConsString.class));
} catch (final LookupException e) {
//empty. Shouldn't happen. Fall back to super
}
}
return super.findGetIndexMethod(desc, request);
}
开发者ID:malaporte，项目名称:kaziranga，代码行数:15，代码来源:NativeString.java
示例13: noSuchMethod
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
/**
* Fall back if a function property is not found.
* @param desc The call site descriptor
* @param request the link request
* @return GuardedInvocation to be invoked at call site.
*/
public GuardedInvocation noSuchMethod(final CallSiteDescriptor desc, final LinkRequest request) {
final String name = desc.getNameToken(2);
final FindProperty find = findProperty(NO_SUCH_METHOD_NAME, true);
final boolean scopeCall = isScope() && NashornCallSiteDescriptor.isScope(desc);
if (find == null) {
return noSuchProperty(desc, request);
}
final boolean explicitInstanceOfCheck = explicitInstanceOfCheck(desc, request);
final Object value = find.getObjectValue();
if (!(value instanceof ScriptFunction)) {
return createEmptyGetter(desc, explicitInstanceOfCheck, name);
}
final ScriptFunction func = (ScriptFunction)value;
final Object thiz = scopeCall && func.isStrict() ? UNDEFINED : this;
// TODO: It'd be awesome if we could bind "name" without binding "this".
// Since we're binding this we must use an identity guard here.
return new GuardedInvocation(
MH.dropArguments(
MH.constant(
ScriptFunction.class,
func.createBound(thiz, new Object[] { name })),
0,
Object.class),
NashornGuards.combineGuards(
NashornGuards.getIdentityGuard(this),
NashornGuards.getMapGuard(getMap(), true)));
}
开发者ID:ojdkbuild，项目名称:lookaside_java-1.8.0-openjdk，代码行数:38，代码来源:ScriptObject.java
示例14: findGetIndexMethod
import jdk.nashorn.internal.runtime.linker.NashornGuards; //导入依赖的package包/类
@Override
protected GuardedInvocation findGetIndexMethod(final CallSiteDescriptor desc, final LinkRequest request) {
final Object self = request.getReceiver();
final Class<?> returnType = desc.getMethodType().returnType();
if (returnType == Object.class && (self instanceof String || self instanceof ConsString)) {
try {
MethodHandle mh = MH.findStatic(MethodHandles.lookup(), NativeString.class, "get", desc.getMethodType());
return new GuardedInvocation(mh, NashornGuards.getInstanceOf2Guard(String.class, ConsString.class));
} catch (final LookupException e) {
// Shouldn't happen. Fall back to super
}
}
return super.findGetIndexMethod(desc, request);
}
开发者ID:RedlineResearch，项目名称:OLD-OpenJDK8，代码行数:16，代码来源:NativeString.java
注：本文中的jdk.nashorn.internal.runtime.linker.NashornGuards类示例整理自Github/MSDocs等源码及文档管理平台，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。 |
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