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* questions.
*/
package java.lang.invoke;
+ import jdk.internal.value.CheckedType;
+ import jdk.internal.value.NormalCheckedType;
+ import jdk.internal.value.NullRestrictedCheckedType;
import sun.invoke.util.VerifyAccess;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Member;
assert type instanceof Class<?> : "bad field type " + type;
}
return (Class<?>) type;
}
+ /**
+ * Return {@code CheckedType} representing the type of this member.
+ */
+ public CheckedType getCheckedFieldType() {
+ return isNullRestricted() ? NullRestrictedCheckedType.of(getFieldType())
+ : NormalCheckedType.of(getFieldType());
+ }
+
/** Utility method to produce either the method type or field type of this member. */
public Object getType() {
return (isInvocable() ? getMethodType() : getFieldType());
}
public boolean isProtected() {
return Modifier.isProtected(flags);
}
/** Utility method to query the modifier flags of this member. */
public boolean isFinal() {
+ // all fields declared in a value type are effectively final
+ assert(!clazz.isValue() || !isField() || Modifier.isFinal(flags));
return Modifier.isFinal(flags);
}
/** Utility method to query whether this member or its defining class is final. */
public boolean canBeStaticallyBound() {
return Modifier.isFinal(flags | clazz.getModifiers());
return Modifier.isNative(flags);
}
// let the rest (native, volatile, transient, etc.) be tested via Modifier.isFoo
// unofficial modifier flags, used by HotSpot:
! static final int BRIDGE = 0x00000040;
! static final int VARARGS = 0x00000080;
! static final int SYNTHETIC = 0x00001000;
! static final int ANNOTATION= 0x00002000;
! static final int ENUM = 0x00004000;
/** Utility method to query the modifier flags of this member; returns false if the member is not a method. */
public boolean isBridge() {
return allFlagsSet(IS_METHOD | BRIDGE);
}
/** Utility method to query the modifier flags of this member; returns false if the member is not a method. */
return Modifier.isNative(flags);
}
// let the rest (native, volatile, transient, etc.) be tested via Modifier.isFoo
// unofficial modifier flags, used by HotSpot:
! static final int BRIDGE = 0x00000040;
! static final int VARARGS = 0x00000080;
! static final int SYNTHETIC = 0x00001000;
! static final int ANNOTATION = 0x00002000;
! static final int ENUM = 0x00004000;
+
/** Utility method to query the modifier flags of this member; returns false if the member is not a method. */
public boolean isBridge() {
return allFlagsSet(IS_METHOD | BRIDGE);
}
/** Utility method to query the modifier flags of this member; returns false if the member is not a method. */
/** Utility method to query the modifier flags of this member; returns false if the member is not a method. */
public boolean isSynthetic() {
return allFlagsSet(SYNTHETIC);
}
! static final String CONSTRUCTOR_NAME = "<init>"; // the ever-popular
// modifiers exported by the JVM:
static final int RECOGNIZED_MODIFIERS = 0xFFFF;
// private flags, not part of RECOGNIZED_MODIFIERS:
static final int
! IS_METHOD = MN_IS_METHOD, // method (not constructor)
! IS_CONSTRUCTOR = MN_IS_CONSTRUCTOR, // constructor
! IS_FIELD = MN_IS_FIELD, // field
! IS_TYPE = MN_IS_TYPE, // nested type
! CALLER_SENSITIVE = MN_CALLER_SENSITIVE, // @CallerSensitive annotation detected
! TRUSTED_FINAL = MN_TRUSTED_FINAL; // trusted final field
static final int ALL_ACCESS = Modifier.PUBLIC | Modifier.PRIVATE | Modifier.PROTECTED;
static final int ALL_KINDS = IS_METHOD | IS_CONSTRUCTOR | IS_FIELD | IS_TYPE;
static final int IS_INVOCABLE = IS_METHOD | IS_CONSTRUCTOR;
/** Utility method to query the modifier flags of this member; returns false if the member is not a method. */
public boolean isSynthetic() {
return allFlagsSet(SYNTHETIC);
}
! /** Query whether this member is a flattened field */
+ public boolean isFlat() { return (flags & MN_FLAT_FIELD) == MN_FLAT_FIELD; }
+
+ /** Query whether this member is a null-restricted field */
+ public boolean isNullRestricted() { return (flags & MN_NULL_RESTRICTED) == MN_NULL_RESTRICTED; }
+
+ static final String CONSTRUCTOR_NAME = "<init>";
// modifiers exported by the JVM:
static final int RECOGNIZED_MODIFIERS = 0xFFFF;
// private flags, not part of RECOGNIZED_MODIFIERS:
static final int
! IS_METHOD = MN_IS_METHOD, // method (not constructor)
! IS_CONSTRUCTOR = MN_IS_CONSTRUCTOR, // constructor
! IS_FIELD = MN_IS_FIELD, // field
! IS_TYPE = MN_IS_TYPE, // nested type
! CALLER_SENSITIVE = MN_CALLER_SENSITIVE, // @CallerSensitive annotation detected
! TRUSTED_FINAL = MN_TRUSTED_FINAL; // trusted final field
static final int ALL_ACCESS = Modifier.PUBLIC | Modifier.PRIVATE | Modifier.PROTECTED;
static final int ALL_KINDS = IS_METHOD | IS_CONSTRUCTOR | IS_FIELD | IS_TYPE;
static final int IS_INVOCABLE = IS_METHOD | IS_CONSTRUCTOR;
* The declaring class may be supplied as null if this is to be a bare name and type.
* The last argument is optional, a boolean which requests REF_invokeSpecial.
* The resulting name will in an unresolved state.
*/
public MemberName(Class<?> defClass, String name, MethodType type, byte refKind) {
! int initFlags = (name != null && name.equals(CONSTRUCTOR_NAME) ? IS_CONSTRUCTOR : IS_METHOD);
init(defClass, name, type, flagsMods(initFlags, 0, refKind));
initResolved(false);
}
/** Create a method, constructor, or field name from the given components:
* Reference kind, declaring class, name, type.
* The declaring class may be supplied as null if this is to be a bare name and type.
* The last argument is optional, a boolean which requests REF_invokeSpecial.
* The resulting name will in an unresolved state.
*/
public MemberName(Class<?> defClass, String name, MethodType type, byte refKind) {
! int initFlags = CONSTRUCTOR_NAME.equals(name) ? IS_CONSTRUCTOR : IS_METHOD;
init(defClass, name, type, flagsMods(initFlags, 0, refKind));
initResolved(false);
}
/** Create a method, constructor, or field name from the given components:
* Reference kind, declaring class, name, type.
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