Java Code Examples for jdk.internal.dynalink.beans.GuardedInvocationComponent.ValidationType#INSTANCE_OF
The following examples show how to use
jdk.internal.dynalink.beans.GuardedInvocationComponent.ValidationType#INSTANCE_OF .
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Example 1
| Source File: BeanLinker.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
private GuardedInvocationComponent getLengthGetter(final CallSiteDescriptor callSiteDescriptor) {
assertParameterCount(callSiteDescriptor, 1);
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
// If declared type of receiver at the call site is already an array, collection, or map, bind without guard.
// Thing is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance
// they're dealing with an array, collection, or map, but hey...
if(declaredType.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType));
} else if(Collection.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType));
} else if(Map.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType));
}
// Otherwise, create a binding based on the actual type of the argument with an appropriate guard.
if(clazz.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType), Guards.isArray(0,
callSiteType), ValidationType.IS_ARRAY);
} if(Collection.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType), Guards.asType(
COLLECTION_GUARD, callSiteType), Collection.class, ValidationType.INSTANCE_OF);
} if(Map.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType), Guards.asType(MAP_GUARD,
callSiteType), Map.class, ValidationType.INSTANCE_OF);
}
// Can't retrieve length for objects that are neither arrays, nor collections, nor maps.
return null;
}
Example 2
| Source File: BeanLinker.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
private GuardedInvocationComponent getLengthGetter(final CallSiteDescriptor callSiteDescriptor) {
assertParameterCount(callSiteDescriptor, 1);
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
// If declared type of receiver at the call site is already an array, collection, or map, bind without guard.
// Thing is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance
// they're dealing with an array, collection, or map, but hey...
if(declaredType.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType));
} else if(Collection.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType));
} else if(Map.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType));
}
// Otherwise, create a binding based on the actual type of the argument with an appropriate guard.
if(clazz.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType), Guards.isArray(0,
callSiteType), ValidationType.IS_ARRAY);
} if(Collection.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType), Guards.asType(
COLLECTION_GUARD, callSiteType), Collection.class, ValidationType.INSTANCE_OF);
} if(Map.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType), Guards.asType(MAP_GUARD,
callSiteType), Map.class, ValidationType.INSTANCE_OF);
}
// Can't retrieve length for objects that are neither arrays, nor collections, nor maps.
return null;
}
Example 3
| Source File: BeanLinker.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
private GuardedInvocationComponent getLengthGetter(final CallSiteDescriptor callSiteDescriptor) {
assertParameterCount(callSiteDescriptor, 1);
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
// If declared type of receiver at the call site is already an array, collection, or map, bind without guard.
// Thing is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance
// they're dealing with an array, collection, or map, but hey...
if(declaredType.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType));
} else if(Collection.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType));
} else if(Map.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType));
}
// Otherwise, create a binding based on the actual type of the argument with an appropriate guard.
if(clazz.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType), Guards.isArray(0,
callSiteType), ValidationType.IS_ARRAY);
} if(Collection.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType), Guards.asType(
COLLECTION_GUARD, callSiteType), Collection.class, ValidationType.INSTANCE_OF);
} if(Map.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType), Guards.asType(MAP_GUARD,
callSiteType), Map.class, ValidationType.INSTANCE_OF);
}
// Can't retrieve length for objects that are neither arrays, nor collections, nor maps.
return null;
}
Example 4
| Source File: BeanLinker.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
private GuardedInvocationComponent getLengthGetter(final CallSiteDescriptor callSiteDescriptor) {
assertParameterCount(callSiteDescriptor, 1);
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
// If declared type of receiver at the call site is already an array, collection, or map, bind without guard.
// Thing is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance
// they're dealing with an array, collection, or map, but hey...
if(declaredType.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType));
} else if(Collection.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType));
} else if(Map.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType));
}
// Otherwise, create a binding based on the actual type of the argument with an appropriate guard.
if(clazz.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType), Guards.isArray(0,
callSiteType), ValidationType.IS_ARRAY);
} if(Collection.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType), Guards.asType(
COLLECTION_GUARD, callSiteType), Collection.class, ValidationType.INSTANCE_OF);
} if(Map.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType), Guards.asType(MAP_GUARD,
callSiteType), Map.class, ValidationType.INSTANCE_OF);
}
// Can't retrieve length for objects that are neither arrays, nor collections, nor maps.
return null;
}
Example 5
| Source File: BeanLinker.java From hottub with GNU General Public License v2.0 | 5 votes |
|
private GuardedInvocationComponent getLengthGetter(final CallSiteDescriptor callSiteDescriptor) {
assertParameterCount(callSiteDescriptor, 1);
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
// If declared type of receiver at the call site is already an array, collection, or map, bind without guard.
// Thing is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance
// they're dealing with an array, collection, or map, but hey...
if(declaredType.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType));
} else if(Collection.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType));
} else if(Map.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType));
}
// Otherwise, create a binding based on the actual type of the argument with an appropriate guard.
if(clazz.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType), Guards.isArray(0,
callSiteType), ValidationType.IS_ARRAY);
} if(Collection.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType), Guards.asType(
COLLECTION_GUARD, callSiteType), Collection.class, ValidationType.INSTANCE_OF);
} if(Map.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType), Guards.asType(MAP_GUARD,
callSiteType), Map.class, ValidationType.INSTANCE_OF);
}
// Can't retrieve length for objects that are neither arrays, nor collections, nor maps.
return null;
}
Example 6
| Source File: BeanLinker.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
private GuardedInvocationComponent getLengthGetter(CallSiteDescriptor callSiteDescriptor) {
assertParameterCount(callSiteDescriptor, 1);
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
// If declared type of receiver at the call site is already an array, collection, or map, bind without guard.
// Thing is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance
// they're dealing with an array, collection, or map, but hey...
if(declaredType.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType));
} else if(Collection.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType));
} else if(Map.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType));
}
// Otherwise, create a binding based on the actual type of the argument with an appropriate guard.
if(clazz.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType), Guards.isArray(0,
callSiteType), ValidationType.IS_ARRAY);
} if(Collection.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType), Guards.asType(
COLLECTION_GUARD, callSiteType), Collection.class, ValidationType.INSTANCE_OF);
} if(Map.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType), Guards.asType(MAP_GUARD,
callSiteType), Map.class, ValidationType.INSTANCE_OF);
}
// Can't retrieve length for objects that are neither arrays, nor collections, nor maps.
return null;
}
Example 7
| Source File: BeanLinker.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
private GuardedInvocationComponent getLengthGetter(CallSiteDescriptor callSiteDescriptor) {
assertParameterCount(callSiteDescriptor, 1);
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
// If declared type of receiver at the call site is already an array, collection, or map, bind without guard.
// Thing is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance
// they're dealing with an array, collection, or map, but hey...
if(declaredType.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType));
} else if(Collection.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType));
} else if(Map.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType));
}
// Otherwise, create a binding based on the actual type of the argument with an appropriate guard.
if(clazz.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType), Guards.isArray(0,
callSiteType), ValidationType.IS_ARRAY);
} if(Collection.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType), Guards.asType(
COLLECTION_GUARD, callSiteType), Collection.class, ValidationType.INSTANCE_OF);
} if(Map.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType), Guards.asType(MAP_GUARD,
callSiteType), Map.class, ValidationType.INSTANCE_OF);
}
// Can't retrieve length for objects that are neither arrays, nor collections, nor maps.
return null;
}
Example 8
| Source File: BeanLinker.java From jdk8u_nashorn with GNU General Public License v2.0 | 5 votes |
|
private GuardedInvocationComponent getLengthGetter(final CallSiteDescriptor callSiteDescriptor) {
assertParameterCount(callSiteDescriptor, 1);
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
// If declared type of receiver at the call site is already an array, collection, or map, bind without guard.
// Thing is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance
// they're dealing with an array, collection, or map, but hey...
if(declaredType.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType));
} else if(Collection.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType));
} else if(Map.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType));
}
// Otherwise, create a binding based on the actual type of the argument with an appropriate guard.
if(clazz.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType), Guards.isArray(0,
callSiteType), ValidationType.IS_ARRAY);
} if(Collection.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType), Guards.asType(
COLLECTION_GUARD, callSiteType), Collection.class, ValidationType.INSTANCE_OF);
} if(Map.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType), Guards.asType(MAP_GUARD,
callSiteType), Map.class, ValidationType.INSTANCE_OF);
}
// Can't retrieve length for objects that are neither arrays, nor collections, nor maps.
return null;
}
Example 9
| Source File: BeanLinker.java From nashorn with GNU General Public License v2.0 | 5 votes |
|
private GuardedInvocationComponent getLengthGetter(CallSiteDescriptor callSiteDescriptor) {
assertParameterCount(callSiteDescriptor, 1);
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
// If declared type of receiver at the call site is already an array, collection, or map, bind without guard.
// Thing is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance
// they're dealing with an array, collection, or map, but hey...
if(declaredType.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType));
} else if(Collection.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType));
} else if(Map.class.isAssignableFrom(declaredType)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType));
}
// Otherwise, create a binding based on the actual type of the argument with an appropriate guard.
if(clazz.isArray()) {
return new GuardedInvocationComponent(GET_ARRAY_LENGTH.asType(callSiteType), Guards.isArray(0,
callSiteType), ValidationType.IS_ARRAY);
} if(Collection.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_COLLECTION_LENGTH.asType(callSiteType), Guards.asType(
COLLECTION_GUARD, callSiteType), Collection.class, ValidationType.INSTANCE_OF);
} if(Map.class.isAssignableFrom(clazz)) {
return new GuardedInvocationComponent(GET_MAP_LENGTH.asType(callSiteType), Guards.asType(MAP_GUARD,
callSiteType), Map.class, ValidationType.INSTANCE_OF);
}
// Can't retrieve length for objects that are neither arrays, nor collections, nor maps.
return null;
}
Example 10
| Source File: BeanLinker.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
private GuardedInvocationComponent getElementGetter(final CallSiteDescriptor callSiteDescriptor,
final LinkerServices linkerServices, List<String> operations) throws Exception {
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
final GuardedInvocationComponent nextComponent = getGuardedInvocationComponent(callSiteDescriptor,
linkerServices, operations);
// If declared type of receiver at the call site is already an array, a list or map, bind without guard. Thing
// is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance they're
// dealing with an array, or a list or map, but hey...
// Note that for arrays and lists, using LinkerServices.asType() will ensure that any language specific linkers
// in use will get a chance to perform any (if there's any) implicit conversion to integer for the indices.
final GuardedInvocationComponent gic;
final boolean isMap;
if(declaredType.isArray()) {
gic = new GuardedInvocationComponent(MethodHandles.arrayElementGetter(declaredType));
isMap = false;
} else if(List.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(GET_LIST_ELEMENT);
isMap = false;
} else if(Map.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(GET_MAP_ELEMENT);
isMap = true;
} else if(clazz.isArray()) {
gic = getClassGuardedInvocationComponent(MethodHandles.arrayElementGetter(clazz), callSiteType);
isMap = false;
} else if(List.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(GET_LIST_ELEMENT, Guards.asType(LIST_GUARD, callSiteType), List.class,
ValidationType.INSTANCE_OF);
isMap = false;
} else if(Map.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(GET_MAP_ELEMENT, Guards.asType(MAP_GUARD, callSiteType), Map.class,
ValidationType.INSTANCE_OF);
isMap = true;
} else {
// Can't retrieve elements for objects that are neither arrays, nor list, nor maps.
return nextComponent;
}
// We can have "dyn:getElem:foo", especially in composites, i.e. "dyn:getElem|getProp|getMethod:foo"
final String fixedKey = getFixedKey(callSiteDescriptor);
// Convert the key to a number if we're working with a list or array
final Object typedFixedKey;
if(!isMap && fixedKey != null) {
typedFixedKey = convertKeyToInteger(fixedKey, linkerServices);
if(typedFixedKey == null) {
// key is not numeric, it can never succeed
return nextComponent;
}
} else {
typedFixedKey = fixedKey;
}
final GuardedInvocation gi = gic.getGuardedInvocation();
final Binder binder = new Binder(linkerServices, callSiteType, typedFixedKey);
final MethodHandle invocation = gi.getInvocation();
if(nextComponent == null) {
return gic.replaceInvocation(binder.bind(invocation));
}
final MethodHandle checkGuard;
if(invocation == GET_LIST_ELEMENT) {
checkGuard = convertArgToInt(RANGE_CHECK_LIST, linkerServices, callSiteDescriptor);
} else if(invocation == GET_MAP_ELEMENT) {
// TODO: A more complex solution could be devised for maps, one where we do a get() first, and fold it
// into a GWT that tests if it returned null, and if it did, do another GWT with containsKey()
// that returns constant null (on true), or falls back to next component (on false)
checkGuard = CONTAINS_MAP;
} else {
checkGuard = convertArgToInt(RANGE_CHECK_ARRAY, linkerServices, callSiteDescriptor);
}
return nextComponent.compose(MethodHandles.guardWithTest(binder.bindTest(checkGuard),
binder.bind(invocation), nextComponent.getGuardedInvocation().getInvocation()), gi.getGuard(),
gic.getValidatorClass(), gic.getValidationType());
}
Example 11
| Source File: BeanLinker.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
private GuardedInvocationComponent getElementSetter(CallSiteDescriptor callSiteDescriptor,
LinkerServices linkerServices, List<String> operations) throws Exception {
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
final GuardedInvocationComponent gic;
// If declared type of receiver at the call site is already an array, a list or map, bind without guard. Thing
// is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance they're
// dealing with an array, or a list or map, but hey...
// Note that for arrays and lists, using LinkerServices.asType() will ensure that any language specific linkers
// in use will get a chance to perform any (if there's any) implicit conversion to integer for the indices.
final boolean isMap;
if(declaredType.isArray()) {
gic = new GuardedInvocationComponent(MethodHandles.arrayElementSetter(declaredType));
isMap = false;
} else if(List.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(SET_LIST_ELEMENT);
isMap = false;
} else if(Map.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(PUT_MAP_ELEMENT);
isMap = true;
} else if(clazz.isArray()) {
gic = getClassGuardedInvocationComponent(MethodHandles.arrayElementSetter(clazz), callSiteType);
isMap = false;
} else if(List.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(SET_LIST_ELEMENT, Guards.asType(LIST_GUARD, callSiteType), List.class,
ValidationType.INSTANCE_OF);
isMap = false;
} else if(Map.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(PUT_MAP_ELEMENT, Guards.asType(MAP_GUARD, callSiteType), Map.class,
ValidationType.INSTANCE_OF);
isMap = true;
} else {
// Can't set elements for objects that are neither arrays, nor list, nor maps.
gic = null;
isMap = false;
}
// In contrast to, say, getElementGetter, we only compute the nextComponent if the target object is not a map,
// as maps will always succeed in setting the element and will never need to fall back to the next component
// operation.
final GuardedInvocationComponent nextComponent = isMap ? null : getGuardedInvocationComponent(
callSiteDescriptor, linkerServices, operations);
if(gic == null) {
return nextComponent;
}
// We can have "dyn:setElem:foo", especially in composites, i.e. "dyn:setElem|setProp:foo"
final String fixedKey = getFixedKey(callSiteDescriptor);
// Convert the key to a number if we're working with a list or array
final Object typedFixedKey;
if(!isMap && fixedKey != null) {
typedFixedKey = convertKeyToInteger(fixedKey, linkerServices);
if(typedFixedKey == null) {
// key is not numeric, it can never succeed
return nextComponent;
}
} else {
typedFixedKey = fixedKey;
}
final GuardedInvocation gi = gic.getGuardedInvocation();
final Binder binder = new Binder(linkerServices, callSiteType, typedFixedKey);
final MethodHandle invocation = gi.getInvocation();
if(nextComponent == null) {
return gic.replaceInvocation(binder.bind(invocation));
}
final MethodHandle checkGuard = convertArgToInt(invocation == SET_LIST_ELEMENT ? RANGE_CHECK_LIST :
RANGE_CHECK_ARRAY, linkerServices, callSiteDescriptor);
return nextComponent.compose(MethodHandles.guardWithTest(binder.bindTest(checkGuard),
binder.bind(invocation), nextComponent.getGuardedInvocation().getInvocation()), gi.getGuard(),
gic.getValidatorClass(), gic.getValidationType());
}
Example 12
| Source File: BeanLinker.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
private GuardedInvocationComponent getElementGetter(final CallSiteDescriptor callSiteDescriptor,
final LinkerServices linkerServices, List<String> operations) throws Exception {
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
final GuardedInvocationComponent nextComponent = getGuardedInvocationComponent(callSiteDescriptor,
linkerServices, operations);
// If declared type of receiver at the call site is already an array, a list or map, bind without guard. Thing
// is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance they're
// dealing with an array, or a list or map, but hey...
// Note that for arrays and lists, using LinkerServices.asType() will ensure that any language specific linkers
// in use will get a chance to perform any (if there's any) implicit conversion to integer for the indices.
final GuardedInvocationComponent gic;
final boolean isMap;
if(declaredType.isArray()) {
gic = new GuardedInvocationComponent(MethodHandles.arrayElementGetter(declaredType));
isMap = false;
} else if(List.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(GET_LIST_ELEMENT);
isMap = false;
} else if(Map.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(GET_MAP_ELEMENT);
isMap = true;
} else if(clazz.isArray()) {
gic = getClassGuardedInvocationComponent(MethodHandles.arrayElementGetter(clazz), callSiteType);
isMap = false;
} else if(List.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(GET_LIST_ELEMENT, Guards.asType(LIST_GUARD, callSiteType), List.class,
ValidationType.INSTANCE_OF);
isMap = false;
} else if(Map.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(GET_MAP_ELEMENT, Guards.asType(MAP_GUARD, callSiteType), Map.class,
ValidationType.INSTANCE_OF);
isMap = true;
} else {
// Can't retrieve elements for objects that are neither arrays, nor list, nor maps.
return nextComponent;
}
// We can have "dyn:getElem:foo", especially in composites, i.e. "dyn:getElem|getProp|getMethod:foo"
final String fixedKey = getFixedKey(callSiteDescriptor);
// Convert the key to a number if we're working with a list or array
final Object typedFixedKey;
if(!isMap && fixedKey != null) {
typedFixedKey = convertKeyToInteger(fixedKey, linkerServices);
if(typedFixedKey == null) {
// key is not numeric, it can never succeed
return nextComponent;
}
} else {
typedFixedKey = fixedKey;
}
final GuardedInvocation gi = gic.getGuardedInvocation();
final Binder binder = new Binder(linkerServices, callSiteType, typedFixedKey);
final MethodHandle invocation = gi.getInvocation();
if(nextComponent == null) {
return gic.replaceInvocation(binder.bind(invocation));
}
final MethodHandle checkGuard;
if(invocation == GET_LIST_ELEMENT) {
checkGuard = convertArgToInt(RANGE_CHECK_LIST, linkerServices, callSiteDescriptor);
} else if(invocation == GET_MAP_ELEMENT) {
// TODO: A more complex solution could be devised for maps, one where we do a get() first, and fold it
// into a GWT that tests if it returned null, and if it did, do another GWT with containsKey()
// that returns constant null (on true), or falls back to next component (on false)
checkGuard = CONTAINS_MAP;
} else {
checkGuard = convertArgToInt(RANGE_CHECK_ARRAY, linkerServices, callSiteDescriptor);
}
return nextComponent.compose(MethodHandles.guardWithTest(binder.bindTest(checkGuard),
binder.bind(invocation), nextComponent.getGuardedInvocation().getInvocation()), gi.getGuard(),
gic.getValidatorClass(), gic.getValidationType());
}
Example 13
| Source File: BeanLinker.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
private GuardedInvocationComponent getElementSetter(CallSiteDescriptor callSiteDescriptor,
LinkerServices linkerServices, List<String> operations) throws Exception {
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
final GuardedInvocationComponent gic;
// If declared type of receiver at the call site is already an array, a list or map, bind without guard. Thing
// is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance they're
// dealing with an array, or a list or map, but hey...
// Note that for arrays and lists, using LinkerServices.asType() will ensure that any language specific linkers
// in use will get a chance to perform any (if there's any) implicit conversion to integer for the indices.
final boolean isMap;
if(declaredType.isArray()) {
gic = new GuardedInvocationComponent(MethodHandles.arrayElementSetter(declaredType));
isMap = false;
} else if(List.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(SET_LIST_ELEMENT);
isMap = false;
} else if(Map.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(PUT_MAP_ELEMENT);
isMap = true;
} else if(clazz.isArray()) {
gic = getClassGuardedInvocationComponent(MethodHandles.arrayElementSetter(clazz), callSiteType);
isMap = false;
} else if(List.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(SET_LIST_ELEMENT, Guards.asType(LIST_GUARD, callSiteType), List.class,
ValidationType.INSTANCE_OF);
isMap = false;
} else if(Map.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(PUT_MAP_ELEMENT, Guards.asType(MAP_GUARD, callSiteType), Map.class,
ValidationType.INSTANCE_OF);
isMap = true;
} else {
// Can't set elements for objects that are neither arrays, nor list, nor maps.
gic = null;
isMap = false;
}
// In contrast to, say, getElementGetter, we only compute the nextComponent if the target object is not a map,
// as maps will always succeed in setting the element and will never need to fall back to the next component
// operation.
final GuardedInvocationComponent nextComponent = isMap ? null : getGuardedInvocationComponent(
callSiteDescriptor, linkerServices, operations);
if(gic == null) {
return nextComponent;
}
// We can have "dyn:setElem:foo", especially in composites, i.e. "dyn:setElem|setProp:foo"
final String fixedKey = getFixedKey(callSiteDescriptor);
// Convert the key to a number if we're working with a list or array
final Object typedFixedKey;
if(!isMap && fixedKey != null) {
typedFixedKey = convertKeyToInteger(fixedKey, linkerServices);
if(typedFixedKey == null) {
// key is not numeric, it can never succeed
return nextComponent;
}
} else {
typedFixedKey = fixedKey;
}
final GuardedInvocation gi = gic.getGuardedInvocation();
final Binder binder = new Binder(linkerServices, callSiteType, typedFixedKey);
final MethodHandle invocation = gi.getInvocation();
if(nextComponent == null) {
return gic.replaceInvocation(binder.bind(invocation));
}
final MethodHandle checkGuard = convertArgToInt(invocation == SET_LIST_ELEMENT ? RANGE_CHECK_LIST :
RANGE_CHECK_ARRAY, linkerServices, callSiteDescriptor);
return nextComponent.compose(MethodHandles.guardWithTest(binder.bindTest(checkGuard),
binder.bind(invocation), nextComponent.getGuardedInvocation().getInvocation()), gi.getGuard(),
gic.getValidatorClass(), gic.getValidationType());
}
Example 14
| Source File: BeanLinker.java From nashorn with GNU General Public License v2.0 | 4 votes |
|
private GuardedInvocationComponent getElementGetter(final CallSiteDescriptor callSiteDescriptor,
final LinkerServices linkerServices, List<String> operations) throws Exception {
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
final GuardedInvocationComponent nextComponent = getGuardedInvocationComponent(callSiteDescriptor,
linkerServices, operations);
// If declared type of receiver at the call site is already an array, a list or map, bind without guard. Thing
// is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance they're
// dealing with an array, or a list or map, but hey...
// Note that for arrays and lists, using LinkerServices.asType() will ensure that any language specific linkers
// in use will get a chance to perform any (if there's any) implicit conversion to integer for the indices.
final GuardedInvocationComponent gic;
final boolean isMap;
if(declaredType.isArray()) {
gic = new GuardedInvocationComponent(MethodHandles.arrayElementGetter(declaredType));
isMap = false;
} else if(List.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(GET_LIST_ELEMENT);
isMap = false;
} else if(Map.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(GET_MAP_ELEMENT);
isMap = true;
} else if(clazz.isArray()) {
gic = getClassGuardedInvocationComponent(MethodHandles.arrayElementGetter(clazz), callSiteType);
isMap = false;
} else if(List.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(GET_LIST_ELEMENT, Guards.asType(LIST_GUARD, callSiteType), List.class,
ValidationType.INSTANCE_OF);
isMap = false;
} else if(Map.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(GET_MAP_ELEMENT, Guards.asType(MAP_GUARD, callSiteType), Map.class,
ValidationType.INSTANCE_OF);
isMap = true;
} else {
// Can't retrieve elements for objects that are neither arrays, nor list, nor maps.
return nextComponent;
}
// We can have "dyn:getElem:foo", especially in composites, i.e. "dyn:getElem|getProp|getMethod:foo"
final String fixedKey = getFixedKey(callSiteDescriptor);
// Convert the key to a number if we're working with a list or array
final Object typedFixedKey;
if(!isMap && fixedKey != null) {
typedFixedKey = convertKeyToInteger(fixedKey, linkerServices);
if(typedFixedKey == null) {
// key is not numeric, it can never succeed
return nextComponent;
}
} else {
typedFixedKey = fixedKey;
}
final GuardedInvocation gi = gic.getGuardedInvocation();
final Binder binder = new Binder(linkerServices, callSiteType, typedFixedKey);
final MethodHandle invocation = gi.getInvocation();
if(nextComponent == null) {
return gic.replaceInvocation(binder.bind(invocation));
}
final MethodHandle checkGuard;
if(invocation == GET_LIST_ELEMENT) {
checkGuard = convertArgToInt(RANGE_CHECK_LIST, linkerServices, callSiteDescriptor);
} else if(invocation == GET_MAP_ELEMENT) {
// TODO: A more complex solution could be devised for maps, one where we do a get() first, and fold it
// into a GWT that tests if it returned null, and if it did, do another GWT with containsKey()
// that returns constant null (on true), or falls back to next component (on false)
checkGuard = CONTAINS_MAP;
} else {
checkGuard = convertArgToInt(RANGE_CHECK_ARRAY, linkerServices, callSiteDescriptor);
}
return nextComponent.compose(MethodHandles.guardWithTest(binder.bindTest(checkGuard),
binder.bind(invocation), nextComponent.getGuardedInvocation().getInvocation()), gi.getGuard(),
gic.getValidatorClass(), gic.getValidationType());
}
Example 15
| Source File: BeanLinker.java From nashorn with GNU General Public License v2.0 | 4 votes |
|
private GuardedInvocationComponent getElementSetter(CallSiteDescriptor callSiteDescriptor,
LinkerServices linkerServices, List<String> operations) throws Exception {
final MethodType callSiteType = callSiteDescriptor.getMethodType();
final Class<?> declaredType = callSiteType.parameterType(0);
final GuardedInvocationComponent gic;
// If declared type of receiver at the call site is already an array, a list or map, bind without guard. Thing
// is, it'd be quite stupid of a call site creator to go though invokedynamic when it knows in advance they're
// dealing with an array, or a list or map, but hey...
// Note that for arrays and lists, using LinkerServices.asType() will ensure that any language specific linkers
// in use will get a chance to perform any (if there's any) implicit conversion to integer for the indices.
final boolean isMap;
if(declaredType.isArray()) {
gic = new GuardedInvocationComponent(MethodHandles.arrayElementSetter(declaredType));
isMap = false;
} else if(List.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(SET_LIST_ELEMENT);
isMap = false;
} else if(Map.class.isAssignableFrom(declaredType)) {
gic = new GuardedInvocationComponent(PUT_MAP_ELEMENT);
isMap = true;
} else if(clazz.isArray()) {
gic = getClassGuardedInvocationComponent(MethodHandles.arrayElementSetter(clazz), callSiteType);
isMap = false;
} else if(List.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(SET_LIST_ELEMENT, Guards.asType(LIST_GUARD, callSiteType), List.class,
ValidationType.INSTANCE_OF);
isMap = false;
} else if(Map.class.isAssignableFrom(clazz)) {
gic = new GuardedInvocationComponent(PUT_MAP_ELEMENT, Guards.asType(MAP_GUARD, callSiteType), Map.class,
ValidationType.INSTANCE_OF);
isMap = true;
} else {
// Can't set elements for objects that are neither arrays, nor list, nor maps.
gic = null;
isMap = false;
}
// In contrast to, say, getElementGetter, we only compute the nextComponent if the target object is not a map,
// as maps will always succeed in setting the element and will never need to fall back to the next component
// operation.
final GuardedInvocationComponent nextComponent = isMap ? null : getGuardedInvocationComponent(
callSiteDescriptor, linkerServices, operations);
if(gic == null) {
return nextComponent;
}
// We can have "dyn:setElem:foo", especially in composites, i.e. "dyn:setElem|setProp:foo"
final String fixedKey = getFixedKey(callSiteDescriptor);
// Convert the key to a number if we're working with a list or array
final Object typedFixedKey;
if(!isMap && fixedKey != null) {
typedFixedKey = convertKeyToInteger(fixedKey, linkerServices);
if(typedFixedKey == null) {
// key is not numeric, it can never succeed
return nextComponent;
}
} else {
typedFixedKey = fixedKey;
}
final GuardedInvocation gi = gic.getGuardedInvocation();
final Binder binder = new Binder(linkerServices, callSiteType, typedFixedKey);
final MethodHandle invocation = gi.getInvocation();
if(nextComponent == null) {
return gic.replaceInvocation(binder.bind(invocation));
}
final MethodHandle checkGuard = convertArgToInt(invocation == SET_LIST_ELEMENT ? RANGE_CHECK_LIST :
RANGE_CHECK_ARRAY, linkerServices, callSiteDescriptor);
return nextComponent.compose(MethodHandles.guardWithTest(binder.bindTest(checkGuard),
binder.bind(invocation), nextComponent.getGuardedInvocation().getInvocation()), gi.getGuard(),
gic.getValidatorClass(), gic.getValidationType());
}
