Java Code Examples for jdk.internal.dynalink.linker.LinkRequest#withoutRuntimeContext()

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices)
        throws Exception {
    final LinkRequest ncrequest = request.withoutRuntimeContext();
    // BeansLinker already checked that the name is at least 2 elements long and the first element is "dyn".
    final CallSiteDescriptor callSiteDescriptor = ncrequest.getCallSiteDescriptor();
    final String op = callSiteDescriptor.getNameToken(CallSiteDescriptor.OPERATOR);
    // Either dyn:callMethod:name(this[,args]) or dyn:callMethod(this,name[,args]).
    if("callMethod" == op) {
        return getCallPropWithThis(callSiteDescriptor, linkerServices);
    }
    List<String> operations = CallSiteDescriptorFactory.tokenizeOperators(callSiteDescriptor);
    while(!operations.isEmpty()) {
        final GuardedInvocationComponent gic = getGuardedInvocationComponent(callSiteDescriptor, linkerServices,
                operations);
        if(gic != null) {
            return gic.getGuardedInvocation();
        }
        operations = pop(operations);
    }
    return null;
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices) throws Exception {
    final LinkRequest requestWithoutContext = request.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = requestWithoutContext.getReceiver();
    final CallSiteDescriptor desc = requestWithoutContext.getCallSiteDescriptor();
    checkJSObjectClass();

    if (desc.getNameTokenCount() < 2 || !"dyn".equals(desc.getNameToken(CallSiteDescriptor.SCHEME))) {
        // We only support standard "dyn:*[:*]" operations
        return null;
    }

    GuardedInvocation inv;
    if (jsObjectClass.isInstance(self)) {
        inv = lookup(desc, request, linkerServices);
        inv = inv.replaceMethods(linkerServices.filterInternalObjects(inv.getInvocation()), inv.getGuard());
    } else {
        throw new AssertionError(); // Should never reach here.
    }

    return Bootstrap.asTypeSafeReturn(inv, linkerServices, desc);
}
 

@Override
public GuardedInvocation getGuardedInvocation(LinkRequest request, final LinkerServices linkerServices)
        throws Exception {
    final LinkRequest ncrequest = request.withoutRuntimeContext();
    // BeansLinker already checked that the name is at least 2 elements long and the first element is "dyn".
    final CallSiteDescriptor callSiteDescriptor = ncrequest.getCallSiteDescriptor();
    final String op = callSiteDescriptor.getNameToken(CallSiteDescriptor.OPERATOR);
    // Either dyn:callMethod:name(this[,args]) or dyn:callMethod(this,name[,args]).
    if("callMethod" == op) {
        return getCallPropWithThis(callSiteDescriptor, linkerServices);
    }
    List<String> operations = CallSiteDescriptorFactory.tokenizeOperators(callSiteDescriptor);
    while(!operations.isEmpty()) {
        final GuardedInvocationComponent gic = getGuardedInvocationComponent(callSiteDescriptor, linkerServices,
                operations);
        if(gic != null) {
            return gic.getGuardedInvocation();
        }
        operations = pop(operations);
    }
    return null;
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices)
        throws Exception {
    final LinkRequest ncrequest = request.withoutRuntimeContext();
    // BeansLinker already checked that the name is at least 2 elements long and the first element is "dyn".
    final CallSiteDescriptor callSiteDescriptor = ncrequest.getCallSiteDescriptor();
    final String op = callSiteDescriptor.getNameToken(CallSiteDescriptor.OPERATOR);
    // Either dyn:callMethod:name(this[,args]) or dyn:callMethod(this,name[,args]).
    if("callMethod" == op) {
        return getCallPropWithThis(callSiteDescriptor, linkerServices);
    }
    List<String> operations = CallSiteDescriptorFactory.tokenizeOperators(callSiteDescriptor);
    while(!operations.isEmpty()) {
        final GuardedInvocationComponent gic = getGuardedInvocationComponent(callSiteDescriptor, linkerServices,
                operations);
        if(gic != null) {
            return gic.getGuardedInvocation();
        }
        operations = pop(operations);
    }
    return null;
}
 

@Override
public GuardedInvocation getGuardedInvocation(LinkRequest request, final LinkerServices linkerServices)
        throws Exception {
    final LinkRequest ncrequest = request.withoutRuntimeContext();
    // BeansLinker already checked that the name is at least 2 elements long and the first element is "dyn".
    final CallSiteDescriptor callSiteDescriptor = ncrequest.getCallSiteDescriptor();
    final String op = callSiteDescriptor.getNameToken(CallSiteDescriptor.OPERATOR);
    // Either dyn:callMethod:name(this[,args]) or dyn:callMethod(this,name[,args]).
    if("callMethod" == op) {
        return getCallPropWithThis(callSiteDescriptor, linkerServices);
    }
    List<String> operations = CallSiteDescriptorFactory.tokenizeOperators(callSiteDescriptor);
    while(!operations.isEmpty()) {
        final GuardedInvocationComponent gic = getGuardedInvocationComponent(callSiteDescriptor, linkerServices,
                operations);
        if(gic != null) {
            return gic.getGuardedInvocation();
        }
        operations = pop(operations);
    }
    return null;
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices) throws Exception {
    final LinkRequest requestWithoutContext = request.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = requestWithoutContext.getReceiver();
    final CallSiteDescriptor desc = requestWithoutContext.getCallSiteDescriptor();

    if (desc.getNameTokenCount() < 2 || !"dyn".equals(desc.getNameToken(CallSiteDescriptor.SCHEME))) {
        // We only support standard "dyn:*[:*]" operations
        return null;
    }

    final GuardedInvocation inv;
    if (self instanceof ScriptObject) {
        inv = ((ScriptObject)self).lookup(desc, request);
    } else if (self instanceof Undefined) {
        inv = Undefined.lookup(desc);
    } else {
        throw new AssertionError(); // Should never reach here.
    }

    return Bootstrap.asType(inv, linkerServices, desc);
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices) throws Exception {
    final LinkRequest requestWithoutContext = request.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = requestWithoutContext.getReceiver();
    final CallSiteDescriptor desc = requestWithoutContext.getCallSiteDescriptor();
    checkJSObjectClass();

    if (desc.getNameTokenCount() < 2 || !"dyn".equals(desc.getNameToken(CallSiteDescriptor.SCHEME))) {
        // We only support standard "dyn:*[:*]" operations
        return null;
    }

    GuardedInvocation inv;
    if (jsObjectClass.isInstance(self)) {
        inv = lookup(desc, request, linkerServices);
        inv = inv.replaceMethods(linkerServices.filterInternalObjects(inv.getInvocation()), inv.getGuard());
    } else {
        throw new AssertionError(); // Should never reach here.
    }

    return Bootstrap.asTypeSafeReturn(inv, linkerServices, desc);
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices)
        throws Exception {
    final LinkRequest ncrequest = request.withoutRuntimeContext();
    // BeansLinker already checked that the name is at least 2 elements long and the first element is "dyn".
    final CallSiteDescriptor callSiteDescriptor = ncrequest.getCallSiteDescriptor();
    final String op = callSiteDescriptor.getNameToken(CallSiteDescriptor.OPERATOR);
    // Either dyn:callMethod:name(this[,args]) or dyn:callMethod(this,name[,args]).
    if("callMethod" == op) {
        return getCallPropWithThis(callSiteDescriptor, linkerServices);
    }
    List<String> operations = CallSiteDescriptorFactory.tokenizeOperators(callSiteDescriptor);
    while(!operations.isEmpty()) {
        final GuardedInvocationComponent gic = getGuardedInvocationComponent(callSiteDescriptor, linkerServices,
                operations);
        if(gic != null) {
            return gic.getGuardedInvocation();
        }
        operations = pop(operations);
    }
    return null;
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices) throws Exception {
    final LinkRequest requestWithoutContext = request.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = requestWithoutContext.getReceiver();
    final CallSiteDescriptor desc = requestWithoutContext.getCallSiteDescriptor();

    if (desc.getNameTokenCount() < 2 || !"dyn".equals(desc.getNameToken(CallSiteDescriptor.SCHEME))) {
        // We only support standard "dyn:*[:*]" operations
        return null;
    }

    final GuardedInvocation inv;
    if (self instanceof JSObject) {
        inv = lookup(desc);
    } else {
        throw new AssertionError(); // Should never reach here.
    }

    return Bootstrap.asType(inv, linkerServices, desc);
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices) throws Exception {
    final LinkRequest requestWithoutContext = request.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = requestWithoutContext.getReceiver();
    final CallSiteDescriptor desc = requestWithoutContext.getCallSiteDescriptor();
    checkJSObjectClass();

    if (desc.getNameTokenCount() < 2 || !"dyn".equals(desc.getNameToken(CallSiteDescriptor.SCHEME))) {
        // We only support standard "dyn:*[:*]" operations
        return null;
    }

    final GuardedInvocation inv;
    if (jsObjectClass.isInstance(self)) {
        inv = lookup(desc, request, linkerServices);
    } else {
        throw new AssertionError(); // Should never reach here.
    }

    return Bootstrap.asTypeSafeReturn(inv, linkerServices, desc);
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices)
        throws Exception {
    final LinkRequest ncrequest = request.withoutRuntimeContext();
    // BeansLinker already checked that the name is at least 2 elements long and the first element is "dyn".
    final CallSiteDescriptor callSiteDescriptor = ncrequest.getCallSiteDescriptor();
    final String op = callSiteDescriptor.getNameToken(CallSiteDescriptor.OPERATOR);
    // Either dyn:callMethod:name(this[,args]) or dyn:callMethod(this,name[,args]).
    if("callMethod" == op) {
        return getCallPropWithThis(callSiteDescriptor, linkerServices);
    }
    List<String> operations = CallSiteDescriptorFactory.tokenizeOperators(callSiteDescriptor);
    while(!operations.isEmpty()) {
        final GuardedInvocationComponent gic = getGuardedInvocationComponent(callSiteDescriptor, linkerServices,
                operations);
        if(gic != null) {
            return gic.getGuardedInvocation();
        }
        operations = pop(operations);
    }
    return null;
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices) throws Exception {
    final LinkRequest requestWithoutContext = request.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = requestWithoutContext.getReceiver();
    final CallSiteDescriptor desc = requestWithoutContext.getCallSiteDescriptor();

    if (desc.getNameTokenCount() < 2 || !"dyn".equals(desc.getNameToken(CallSiteDescriptor.SCHEME))) {
        // We only support standard "dyn:*[:*]" operations
        return null;
    }

    final GuardedInvocation inv;
    if (self instanceof JSObject) {
        inv = lookup(desc);
    } else {
        throw new AssertionError(); // Should never reach here.
    }

    return Bootstrap.asType(inv, linkerServices, desc);
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices) throws Exception {
    final LinkRequest requestWithoutContext = request.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = requestWithoutContext.getReceiver();
    final CallSiteDescriptor desc = requestWithoutContext.getCallSiteDescriptor();
    checkJSObjectClass();

    if (desc.getNameTokenCount() < 2 || !"dyn".equals(desc.getNameToken(CallSiteDescriptor.SCHEME))) {
        // We only support standard "dyn:*[:*]" operations
        return null;
    }

    GuardedInvocation inv;
    if (jsObjectClass.isInstance(self)) {
        inv = lookup(desc, request, linkerServices);
        inv = inv.replaceMethods(linkerServices.filterInternalObjects(inv.getInvocation()), inv.getGuard());
    } else {
        throw new AssertionError(); // Should never reach here.
    }

    return Bootstrap.asTypeSafeReturn(inv, linkerServices, desc);
}
 

@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 NashornCallSiteDescriptor desc = (NashornCallSiteDescriptor) request.getCallSiteDescriptor();

    return Bootstrap.asTypeSafeReturn(Global.primitiveLookup(request, self), linkerServices, desc);
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest linkRequest, final LinkerServices linkerServices) throws Exception {
    final LinkRequest request = linkRequest.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = request.getReceiver();
    if (self.getClass() != StaticClass.class) {
        return null;
    }
    final Class<?> receiverClass = ((StaticClass) self).getRepresentedClass();

    Bootstrap.checkReflectionAccess(receiverClass, true);
    final CallSiteDescriptor desc = request.getCallSiteDescriptor();
    // We intercept "new" on StaticClass instances to provide additional capabilities
    if ("new".equals(desc.getNameToken(CallSiteDescriptor.OPERATOR))) {
        if (! Modifier.isPublic(receiverClass.getModifiers())) {
            throw ECMAErrors.typeError("new.on.nonpublic.javatype", receiverClass.getName());
        }

        // make sure new is on accessible Class
        Context.checkPackageAccess(receiverClass);

        // Is the class abstract? (This includes interfaces.)
        if (NashornLinker.isAbstractClass(receiverClass)) {
            // Change this link request into a link request on the adapter class.
            final Object[] args = request.getArguments();
            args[0] = JavaAdapterFactory.getAdapterClassFor(new Class<?>[] { receiverClass }, null,
                    linkRequest.getCallSiteDescriptor().getLookup());
            final LinkRequest adapterRequest = request.replaceArguments(request.getCallSiteDescriptor(), args);
            final GuardedInvocation gi = checkNullConstructor(delegate(linkerServices, adapterRequest), receiverClass);
            // Finally, modify the guard to test for the original abstract class.
            return gi.replaceMethods(gi.getInvocation(), Guards.getIdentityGuard(self));
        }
        // If the class was not abstract, just delegate linking to the standard StaticClass linker. Make an
        // additional check to ensure we have a constructor. We could just fall through to the next "return"
        // statement, except we also insert a call to checkNullConstructor() which throws an ECMAScript TypeError
        // with a more intuitive message when no suitable constructor is found.
        return checkNullConstructor(delegate(linkerServices, request), receiverClass);
    }
    // In case this was not a "new" operation, just delegate to the the standard StaticClass linker.
    return delegate(linkerServices, request);
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices) throws Exception {
    final LinkRequest requestWithoutContext = request.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = requestWithoutContext.getReceiver();
    final CallSiteDescriptor desc = requestWithoutContext.getCallSiteDescriptor();

    if (desc.getNameTokenCount() < 2 || !"dyn".equals(desc.getNameToken(CallSiteDescriptor.SCHEME))) {
        // We only support standard "dyn:*[:*]" operations
        return null;
    }

    return Bootstrap.asTypeSafeReturn(getGuardedInvocation(self,  request, desc), linkerServices, desc);
}
 

@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 GuardedInvocation getGuardedInvocation(final LinkRequest linkRequest, final LinkerServices linkerServices) throws Exception {
    final LinkRequest request = linkRequest.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = request.getReceiver();
    if (self.getClass() != StaticClass.class) {
        return null;
    }
    final Class<?> receiverClass = ((StaticClass) self).getRepresentedClass();

    Bootstrap.checkReflectionAccess(receiverClass, true);
    final CallSiteDescriptor desc = request.getCallSiteDescriptor();
    // We intercept "new" on StaticClass instances to provide additional capabilities
    if ("new".equals(desc.getNameToken(CallSiteDescriptor.OPERATOR))) {
        if (! Modifier.isPublic(receiverClass.getModifiers())) {
            throw ECMAErrors.typeError("new.on.nonpublic.javatype", receiverClass.getName());
        }

        // make sure new is on accessible Class
        Context.checkPackageAccess(receiverClass);

        // Is the class abstract? (This includes interfaces.)
        if (NashornLinker.isAbstractClass(receiverClass)) {
            // Change this link request into a link request on the adapter class.
            final Object[] args = request.getArguments();
            args[0] = JavaAdapterFactory.getAdapterClassFor(new Class<?>[] { receiverClass }, null,
                    linkRequest.getCallSiteDescriptor().getLookup());
            final LinkRequest adapterRequest = request.replaceArguments(request.getCallSiteDescriptor(), args);
            final GuardedInvocation gi = checkNullConstructor(delegate(linkerServices, adapterRequest), receiverClass);
            // Finally, modify the guard to test for the original abstract class.
            return gi.replaceMethods(gi.getInvocation(), Guards.getIdentityGuard(self));
        }
        // If the class was not abstract, just delegate linking to the standard StaticClass linker. Make an
        // additional check to ensure we have a constructor. We could just fall through to the next "return"
        // statement, except we also insert a call to checkNullConstructor() which throws an ECMAScript TypeError
        // with a more intuitive message when no suitable constructor is found.
        return checkNullConstructor(delegate(linkerServices, request), receiverClass);
    }
    // In case this was not a "new" operation, just delegate to the the standard StaticClass linker.
    return delegate(linkerServices, request);
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest request, final LinkerServices linkerServices) throws Exception {
    final LinkRequest requestWithoutContext = request.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = requestWithoutContext.getReceiver();
    final CallSiteDescriptor desc = requestWithoutContext.getCallSiteDescriptor();

    if (desc.getNameTokenCount() < 2 || !"dyn".equals(desc.getNameToken(CallSiteDescriptor.SCHEME))) {
        // We only support standard "dyn:*[:*]" operations
        return null;
    }

    return Bootstrap.asTypeSafeReturn(getGuardedInvocation(self,  request, desc), linkerServices, desc);
}
 

@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest linkRequest, final LinkerServices linkerServices) throws Exception {
    final LinkRequest request = linkRequest.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = request.getReceiver();
    if (self.getClass() != StaticClass.class) {
        return null;
    }
    final Class<?> receiverClass = ((StaticClass) self).getRepresentedClass();

    Bootstrap.checkReflectionAccess(receiverClass, true);
    final CallSiteDescriptor desc = request.getCallSiteDescriptor();
    // We intercept "new" on StaticClass instances to provide additional capabilities
    if ("new".equals(desc.getNameToken(CallSiteDescriptor.OPERATOR))) {
        if (! Modifier.isPublic(receiverClass.getModifiers())) {
            throw ECMAErrors.typeError("new.on.nonpublic.javatype", receiverClass.getName());
        }

        // make sure new is on accessible Class
        Context.checkPackageAccess(receiverClass);

        // Is the class abstract? (This includes interfaces.)
        if (NashornLinker.isAbstractClass(receiverClass)) {
            // Change this link request into a link request on the adapter class.
            final Object[] args = request.getArguments();
            args[0] = JavaAdapterFactory.getAdapterClassFor(new Class<?>[] { receiverClass }, null,
                    linkRequest.getCallSiteDescriptor().getLookup());
            final LinkRequest adapterRequest = request.replaceArguments(request.getCallSiteDescriptor(), args);
            final GuardedInvocation gi = checkNullConstructor(delegate(linkerServices, adapterRequest), receiverClass);
            // Finally, modify the guard to test for the original abstract class.
            return gi.replaceMethods(gi.getInvocation(), Guards.getIdentityGuard(self));
        }
        // If the class was not abstract, just delegate linking to the standard StaticClass linker. Make an
        // additional check to ensure we have a constructor. We could just fall through to the next "return"
        // statement, except we also insert a call to checkNullConstructor() which throws an ECMAScript TypeError
        // with a more intuitive message when no suitable constructor is found.
        return checkNullConstructor(delegate(linkerServices, request), receiverClass);
    }
    // In case this was not a "new" operation, just delegate to the the standard StaticClass linker.
    return delegate(linkerServices, request);
}