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dragonwell8_jdk
提交 7f066bb3 编写于 作者: J jbachorik
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8042123: Support default and static interface methods in JDI, JDWP and JDB 

Reviewed-by: sla, sspitsyn
上级 4fa4eed3
隐藏空白更改
内联 并排
Showing with 1284 addition and 298 deletion
make/data/jdwp/jdwp.spec
浏览文件 @ 7f066bb3
......@@ -1147,7 +1147,8 @@ JDWP "Java(tm) Debug Wire Protocol"
(ErrorSet
(Error INVALID_CLASS "clazz is not the ID of a class.")
(Error INVALID_OBJECT "clazz is not a known ID.")
(Error INVALID_METHODID "methodID is not the ID of a method.")
(Error INVALID_METHODID "methodID is not the ID of a static method in "
"this class type or one of its superclasses.")
(Error INVALID_THREAD)
(Error THREAD_NOT_SUSPENDED)
(Error VM_DEAD)
......@@ -1250,6 +1251,83 @@ JDWP "Java(tm) Debug Wire Protocol"
)
)
(CommandSet InterfaceType=5
(Command InvokeMethod=1
"Invokes a static method. "
"The method must not be a static initializer. "
"The method must be a member of the interface type. "
"<p>Since JDWP version 1.8 "
"<p>"
"The method invocation will occur in the specified thread. "
"Method invocation can occur only if the specified thread "
"has been suspended by an event. "
"Method invocation is not supported "
"when the target VM has been suspended by the front-end. "
"<p>"
"The specified method is invoked with the arguments in the specified "
"argument list. "
"The method invocation is synchronous; the reply packet is not "
"sent until the invoked method returns in the target VM. "
"The return value (possibly the void value) is "
"included in the reply packet. "
"If the invoked method throws an exception, the "
"exception object ID is set in the reply packet; otherwise, the "
"exception object ID is null. "
"<p>"
"For primitive arguments, the argument value's type must match the "
"argument's type exactly. For object arguments, there must exist a "
"widening reference conversion from the argument value's type to the "
"argument's type and the argument's type must be loaded. "
"<p>"
"By default, all threads in the target VM are resumed while "
"the method is being invoked if they were previously "
"suspended by an event or by a command. "
"This is done to prevent the deadlocks "
"that will occur if any of the threads own monitors "
"that will be needed by the invoked method. It is possible that "
"breakpoints or other events might occur during the invocation. "
"Note, however, that this implicit resume acts exactly like "
"the ThreadReference resume command, so if the thread's suspend "
"count is greater than 1, it will remain in a suspended state "
"during the invocation. By default, when the invocation completes, "
"all threads in the target VM are suspended, regardless their state "
"before the invocation. "
"<p>"
"The resumption of other threads during the invoke can be prevented "
"by specifying the INVOKE_SINGLE_THREADED "
"bit flag in the <code>options</code> field; however, "
"there is no protection against or recovery from the deadlocks "
"described above, so this option should be used with great caution. "
"Only the specified thread will be resumed (as described for all "
"threads above). Upon completion of a single threaded invoke, the invoking thread "
"will be suspended once again. Note that any threads started during "
"the single threaded invocation will not be suspended when the "
"invocation completes. "
"<p>"
"If the target VM is disconnected during the invoke (for example, through "
"the VirtualMachine dispose command) the method invocation continues. "
(Out
(interfaceType clazz "The interface type ID.")
(threadObject thread "The thread in which to invoke.")
(method methodID "The method to invoke.")
(Repeat arguments
(value arg "The argument value.")
)
(int options "Invocation <a href=\"#JDWP_InvokeOptions\">options</a>")
)
(Reply
(value returnValue "The returned value.")
(tagged-object exception "The thrown exception.")
)
(ErrorSet
(Error INVALID_CLASS "clazz is not the ID of an interface.")
(Error INVALID_OBJECT "clazz is not a known ID.")
(Error INVALID_METHODID "methodID is not the ID of a static method in this "
"interface type or is the ID of a static initializer.")
(Error INVALID_THREAD)
(Error THREAD_NOT_SUSPENDED)
(Error VM_DEAD)
)
)
)
(CommandSet Method=6
(Command LineTable=1
......@@ -1543,7 +1621,7 @@ JDWP "Java(tm) Debug Wire Protocol"
"<p>"
"By default, all threads in the target VM are resumed while "
"the method is being invoked if they were previously "
"suspended by an event or by command. "
"suspended by an event or by a command. "
"This is done to prevent the deadlocks "
"that will occur if any of the threads own monitors "
"that will be needed by the invoked method. It is possible that "
......@@ -1586,7 +1664,9 @@ JDWP "Java(tm) Debug Wire Protocol"
(Error INVALID_OBJECT)
(Error INVALID_CLASS "clazz is not the ID of a reference "
"type.")
(Error INVALID_METHODID "methodID is not the ID of a method.")
(Error INVALID_METHODID "methodID is not the ID of an instance method "
"in this object's type or one of its superclasses, "
"superinterfaces, or implemented interfaces.")
(Error INVALID_THREAD)
(Error THREAD_NOT_SUSPENDED)
(Error VM_DEAD)
......
src/share/back/InterfaceTypeImpl.c 0 → 100644
浏览文件 @ 7f066bb3
/*
* Copyright (c) 1998, 2005, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "util.h"
#include "InterfaceTypeImpl.h"
#include "inStream.h"
#include "outStream.h"
static jboolean
invokeStatic(PacketInputStream *in, PacketOutputStream *out)
{
return sharedInvoke(in, out);
}
void *InterfaceType_Cmds[] = { (void *)0x1
, (void *)invokeStatic
};
src/share/back/InterfaceTypeImpl.h 0 → 100644
浏览文件 @ 7f066bb3
/*
* Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
extern void *InterfaceType_Cmds[];
src/share/back/VirtualMachineImpl.c
浏览文件 @ 7f066bb3
......@@ -36,7 +36,7 @@
static char *versionName = "Java Debug Wire Protocol (Reference Implementation)";
static int majorVersion = 1; /* JDWP major version */
static int minorVersion = 6; /* JDWP minor version */
static int minorVersion = 8; /* JDWP minor version */
static jboolean
version(PacketInputStream *in, PacketOutputStream *out)
......
src/share/back/debugDispatch.c
浏览文件 @ 7f066bb3
......@@ -29,6 +29,7 @@
#include "VirtualMachineImpl.h"
#include "ReferenceTypeImpl.h"
#include "ClassTypeImpl.h"
#include "InterfaceTypeImpl.h"
#include "ArrayTypeImpl.h"
#include "FieldImpl.h"
#include "MethodImpl.h"
......@@ -67,6 +68,7 @@ debugDispatch_initialize(void)
l1Array[JDWP_COMMAND_SET(VirtualMachine)] = (void *)VirtualMachine_Cmds;
l1Array[JDWP_COMMAND_SET(ReferenceType)] = (void *)ReferenceType_Cmds;
l1Array[JDWP_COMMAND_SET(ClassType)] = (void *)ClassType_Cmds;
l1Array[JDWP_COMMAND_SET(InterfaceType)] = (void *)InterfaceType_Cmds;
l1Array[JDWP_COMMAND_SET(ArrayType)] = (void *)ArrayType_Cmds;
l1Array[JDWP_COMMAND_SET(Field)] = (void *)Field_Cmds;
......
src/share/back/util.c
浏览文件 @ 7f066bb3
......@@ -591,6 +591,8 @@ sharedInvoke(PacketInputStream *in, PacketOutputStream *out)
invokeType = INVOKE_CONSTRUCTOR;
} else if (inStream_command(in) == JDWP_COMMAND(ClassType, InvokeMethod)) {
invokeType = INVOKE_STATIC;
} else if (inStream_command(in) == JDWP_COMMAND(InterfaceType, InvokeMethod)) {
invokeType = INVOKE_STATIC;
} else if (inStream_command(in) == JDWP_COMMAND(ObjectReference, InvokeMethod)) {
invokeType = INVOKE_INSTANCE;
} else {
......
src/share/classes/com/sun/jdi/ClassType.java
浏览文件 @ 7f066bb3
......@@ -103,7 +103,7 @@ public interface ClassType extends ReferenceType {
* <p>
* Object values must be assignment compatible with the field type
* (This implies that the field type must be loaded through the
* enclosing class's class loader). Primitive values must be
* enclosing class' class loader). Primitive values must be
* either assignment compatible with the field type or must be
* convertible to the field type without loss of information.
* See JLS section 5.2 for more information on assignment
......@@ -153,7 +153,7 @@ public interface ClassType extends ReferenceType {
* <p>
* Object arguments must be assignment compatible with the argument type
* (This implies that the argument type must be loaded through the
* enclosing class's class loader). Primitive arguments must be
* enclosing class' class loader). Primitive arguments must be
* either assignment compatible with the argument type or must be
* convertible to the argument type without loss of information.
* If the method being called accepts a variable number of arguments,
......@@ -216,7 +216,7 @@ public interface ClassType extends ReferenceType {
* @return a {@link Value} mirror of the invoked method's return value.
* @throws java.lang.IllegalArgumentException if the method is not
* a member of this class or a superclass, if the size of the argument list
* does not match the number of declared arguemnts for the method, or
* does not match the number of declared arguments for the method, or
* if the method is an initializer, constructor or static intializer.
* @throws {@link InvalidTypeException} if any argument in the
* argument list is not assignable to the corresponding method argument
......@@ -230,7 +230,7 @@ public interface ClassType extends ReferenceType {
* @throws InvalidTypeException If the arguments do not meet this requirement --
* Object arguments must be assignment compatible with the argument
* type. This implies that the argument type must be
* loaded through the enclosing class's class loader.
* loaded through the enclosing class' class loader.
* Primitive arguments must be either assignment compatible with the
* argument type or must be convertible to the argument type without loss
* of information. See JLS section 5.2 for more information on assignment
......@@ -267,7 +267,7 @@ public interface ClassType extends ReferenceType {
* <p>
* Object arguments must be assignment compatible with the argument type
* (This implies that the argument type must be loaded through the
* enclosing class's class loader). Primitive arguments must be
* enclosing class' class loader). Primitive arguments must be
* either assignment compatible with the argument type or must be
* convertible to the argument type without loss of information.
* If the method being called accepts a variable number of arguments,
......@@ -335,7 +335,7 @@ public interface ClassType extends ReferenceType {
* @throws InvalidTypeException If the arguments do not meet this requirement --
* Object arguments must be assignment compatible with the argument
* type. This implies that the argument type must be
* loaded through the enclosing class's class loader.
* loaded through the enclosing class' class loader.
* Primitive arguments must be either assignment compatible with the
* argument type or must be convertible to the argument type without loss
* of information. See JLS section 5.2 for more information on assignment
......
src/share/classes/com/sun/jdi/InterfaceType.java
浏览文件 @ 7f066bb3
......@@ -79,4 +79,123 @@ public interface InterfaceType extends ReferenceType {
* If none exist, returns a zero length List.
*/
List<ClassType> implementors();
/**
* Invokes the specified static {@link Method} in the
* target VM. The
* specified method must be defined in this interface.
* The method must be a static method
* but not a static initializer.
* <p>
* The method invocation will occur in the specified thread.
* Method invocation can occur only if the specified thread
* has been suspended by an event which occurred in that thread.
* Method invocation is not supported
* when the target VM has been suspended through
* {@link VirtualMachine#suspend} or when the specified thread
* is suspended through {@link ThreadReference#suspend}.
* <p>
* The specified method is invoked with the arguments in the specified
* argument list. The method invocation is synchronous; this method
* does not return until the invoked method returns in the target VM.
* If the invoked method throws an exception, this method will throw
* an {@link InvocationException} which contains a mirror to the exception
* object thrown.
* <p>
* Object arguments must be assignment compatible with the argument type
* (This implies that the argument type must be loaded through the
* enclosing class' class loader). Primitive arguments must be
* either assignment compatible with the argument type or must be
* convertible to the argument type without loss of information.
* If the method being called accepts a variable number of arguments,
* then the last argument type is an array of some component type.
* The argument in the matching position can be omitted, or can be null,
* an array of the same component type, or an argument of the
* component type followed by any number of other arguments of the same
* type. If the argument is omitted, then a 0 length array of the
* component type is passed. The component type can be a primitive type.
* Autoboxing is not supported.
*
* See Section 5.2 of
* <cite>The Java&trade; Language Specification</cite>
* for more information on assignment compatibility.
* <p>
* By default, all threads in the target VM are resumed while
* the method is being invoked if they were previously
* suspended by an event or by {@link VirtualMachine#suspend} or
* {@link ThreadReference#suspend}. This is done to prevent the deadlocks
* that will occur if any of the threads own monitors
* that will be needed by the invoked method.
* Note, however, that this implicit resume acts exactly like
* {@link ThreadReference#resume}, so if the thread's suspend
* count is greater than 1, it will remain in a suspended state
* during the invocation and thus a deadlock could still occur.
* By default, when the invocation completes,
* all threads in the target VM are suspended, regardless their state
* before the invocation.
* It is possible that
* breakpoints or other events might occur during the invocation.
* This can cause deadlocks as described above. It can also cause a deadlock
* if invokeMethod is called from the client's event handler thread. In this
* case, this thread will be waiting for the invokeMethod to complete and
* won't read the EventSet that comes in for the new event. If this
* new EventSet is SUSPEND_ALL, then a deadlock will occur because no
* one will resume the EventSet. To avoid this, all EventRequests should
* be disabled before doing the invokeMethod, or the invokeMethod should
* not be done from the client's event handler thread.
* <p>
* The resumption of other threads during the invocation can be prevented
* by specifying the {@link #INVOKE_SINGLE_THREADED}
* bit flag in the <code>options</code> argument; however,
* there is no protection against or recovery from the deadlocks
* described above, so this option should be used with great caution.
* Only the specified thread will be resumed (as described for all
* threads above). Upon completion of a single threaded invoke, the invoking thread
* will be suspended once again. Note that any threads started during
* the single threaded invocation will not be suspended when the
* invocation completes.
* <p>
* If the target VM is disconnected during the invoke (for example, through
* {@link VirtualMachine#dispose}) the method invocation continues.
*
* @param thread the thread in which to invoke.
* @param method the {@link Method} to invoke.
* @param arguments the list of {@link Value} arguments bound to the
* invoked method. Values from the list are assigned to arguments
* in the order they appear in the method signature.
* @param options the integer bit flag options.
* @return a {@link Value} mirror of the invoked method's return value.
* @throws java.lang.IllegalArgumentException if the method is not
* a member of this interface, if the size of the argument list
* does not match the number of declared arguments for the method, or
* if the method is not static or is a static initializer.
* @throws {@link InvalidTypeException} if any argument in the
* argument list is not assignable to the corresponding method argument
* type.
* @throws ClassNotLoadedException if any argument type has not yet been loaded
* through the appropriate class loader.
* @throws IncompatibleThreadStateException if the specified thread has not
* been suspended by an event.
* @throws InvocationException if the method invocation resulted in
* an exception in the target VM.
* @throws InvalidTypeException If the arguments do not meet this requirement --
* Object arguments must be assignment compatible with the argument
* type. This implies that the argument type must be
* loaded through the enclosing class' class loader.
* Primitive arguments must be either assignment compatible with the
* argument type or must be convertible to the argument type without loss
* of information. See JLS section 5.2 for more information on assignment
* compatibility.
* @throws VMCannotBeModifiedException if the VirtualMachine is read-only - see {@link VirtualMachine#canBeModified()}.
*
* @since 1.8
*/
default Value invokeMethod(ThreadReference thread, Method method,
List<? extends Value> arguments, int options)
throws InvalidTypeException,
ClassNotLoadedException,
IncompatibleThreadStateException,
InvocationException {
throw new UnsupportedOperationException();
}
}
src/share/classes/com/sun/jdi/Method.java
浏览文件 @ 7f066bb3
......@@ -137,6 +137,18 @@ public interface Method extends TypeComponent, Locatable, Comparable<Method> {
*/
boolean isAbstract();
/**
* Determine if this method is a default method
*
* @return <code>true</code> if the method is declared default;
* false otherwise
*
* @since 1.8
*/
default boolean isDefault() {
throw new UnsupportedOperationException();
}
/**
* Determine if this method is synchronized.
*
......
src/share/classes/com/sun/jdi/ObjectReference.java
浏览文件 @ 7f066bb3
......@@ -194,10 +194,10 @@ public interface ObjectReference extends Value {
* {@link #INVOKE_NONVIRTUAL} bit flag in the <code>options</code>
* argument. If this flag is set, the specified method is invoked
* whether or not it is overridden for this object's runtime type.
* The method, in this case, must not belong to an interface and
* must not be abstract. This option is useful for performing method
* invocations like those done with the <code>super</code> keyword in
* the Java programming language.
* The method, in this case, must have an implementation, either in a class
* or an interface. This option is useful for performing method invocations
* like those done with the <code>super</code> keyword in the Java programming
* language.
* <p>
* By default, all threads in the target VM are resumed while
* the method is being invoked if they were previously
......@@ -246,10 +246,10 @@ public interface ObjectReference extends Value {
* @return a {@link Value} mirror of the invoked method's return value.
* @throws java.lang.IllegalArgumentException if the method is not
* a member of this object's class, if the size of the argument list
* does not match the number of declared arguemnts for the method,
* does not match the number of declared arguments for the method,
* if the method is a constructor or static intializer, or
* if {@link #INVOKE_NONVIRTUAL} is specified and the method is
* either abstract or an interface member.
* either abstract or a non-default interface member.
* @throws {@link InvalidTypeException} if any argument in the
* argument list is not assignable to the corresponding method argument
* type.
......
src/share/classes/com/sun/tools/example/debug/expr/LValue.java
浏览文件 @ 7f066bb3
......@@ -559,6 +559,9 @@ abstract class LValue {
} else if (refType instanceof ClassType) {
ClassType clazz = (ClassType)refType;
return jdiValue = clazz.invokeMethod(thread, matchingMethod, methodArguments, 0);
} else if (refType instanceof InterfaceType) {
InterfaceType iface = (InterfaceType)refType;
return jdiValue = iface.invokeMethod(thread, matchingMethod, methodArguments, 0);
} else {
throw new InvalidTypeException("Cannot invoke static method on " +
refType.name());
......
src/share/classes/com/sun/tools/jdi/ClassTypeImpl.java
浏览文件 @ 7f066bb3
......@@ -29,9 +29,27 @@ import com.sun.jdi.*;
import java.util.*;
public class ClassTypeImpl extends ReferenceTypeImpl
final public class ClassTypeImpl extends InvokableTypeImpl
implements ClassType
{
private static class IResult implements InvocationResult {
final private JDWP.ClassType.InvokeMethod rslt;
public IResult(JDWP.ClassType.InvokeMethod rslt) {
this.rslt = rslt;
}
@Override
public ObjectReferenceImpl getException() {
return rslt.exception;
}
@Override
public ValueImpl getResult() {
return rslt.returnValue;
}
}
private boolean cachedSuperclass = false;
private ClassType superclass = null;
private int lastLine = -1;
......@@ -65,6 +83,7 @@ public class ClassTypeImpl extends ReferenceTypeImpl
return superclass;
}
@Override
public List<InterfaceType> interfaces() {
if (interfaces == null) {
interfaces = getInterfaces();
......@@ -72,26 +91,9 @@ public class ClassTypeImpl extends ReferenceTypeImpl
return interfaces;
}
void addInterfaces(List<InterfaceType> list) {
List<InterfaceType> immediate = interfaces();
list.addAll(interfaces());
Iterator<InterfaceType> iter = immediate.iterator();
while (iter.hasNext()) {
InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next();
interfaze.addSuperinterfaces(list);
}
ClassTypeImpl superclass = (ClassTypeImpl)superclass();
if (superclass != null) {
superclass.addInterfaces(list);
}
}
public List<InterfaceType> allInterfaces() {
List<InterfaceType> all = new ArrayList<InterfaceType>();
addInterfaces(all);
return all;
@Override
public List<InterfaceType> allInterfaces() {
return getAllInterfaces();
}
public List<ClassType> subclasses() {
......@@ -159,28 +161,6 @@ public class ClassTypeImpl extends ReferenceTypeImpl
}
}
PacketStream sendInvokeCommand(final ThreadReferenceImpl thread,
final MethodImpl method,
final ValueImpl[] args,
final int options) {
CommandSender sender =
new CommandSender() {
public PacketStream send() {
return JDWP.ClassType.InvokeMethod.enqueueCommand(
vm, ClassTypeImpl.this, thread,
method.ref(), args, options);
}
};
PacketStream stream;
if ((options & INVOKE_SINGLE_THREADED) != 0) {
stream = thread.sendResumingCommand(sender);
} else {
stream = vm.sendResumingCommand(sender);
}
return stream;
}
PacketStream sendNewInstanceCommand(final ThreadReferenceImpl thread,
final MethodImpl method,
final ValueImpl[] args,
......@@ -203,52 +183,6 @@ public class ClassTypeImpl extends ReferenceTypeImpl
return stream;
}
public Value invokeMethod(ThreadReference threadIntf, Method methodIntf,
List<? extends Value> origArguments, int options)
throws InvalidTypeException,
ClassNotLoadedException,
IncompatibleThreadStateException,
InvocationException {
validateMirror(threadIntf);
validateMirror(methodIntf);
validateMirrorsOrNulls(origArguments);
MethodImpl method = (MethodImpl)methodIntf;
ThreadReferenceImpl thread = (ThreadReferenceImpl)threadIntf;
validateMethodInvocation(method);
List<? extends Value> arguments = method.validateAndPrepareArgumentsForInvoke(origArguments);
ValueImpl[] args = arguments.toArray(new ValueImpl[0]);
JDWP.ClassType.InvokeMethod ret;
try {
PacketStream stream =
sendInvokeCommand(thread, method, args, options);
ret = JDWP.ClassType.InvokeMethod.waitForReply(vm, stream);
} catch (JDWPException exc) {
if (exc.errorCode() == JDWP.Error.INVALID_THREAD) {
throw new IncompatibleThreadStateException();
} else {
throw exc.toJDIException();
}
}
/*
* There is an implict VM-wide suspend at the conclusion
* of a normal (non-single-threaded) method invoke
*/
if ((options & INVOKE_SINGLE_THREADED) == 0) {
vm.notifySuspend();
}
if (ret.exception != null) {
throw new InvocationException(ret.exception);
} else {
return ret.returnValue;
}
}
public ObjectReference newInstance(ThreadReference threadIntf,
Method methodIntf,
List<? extends Value> origArguments,
......@@ -311,58 +245,6 @@ public class ClassTypeImpl extends ReferenceTypeImpl
return method;
}
public List<Method> allMethods() {
ArrayList<Method> list = new ArrayList<Method>(methods());
ClassType clazz = superclass();
while (clazz != null) {
list.addAll(clazz.methods());
clazz = clazz.superclass();
}
/*
* Avoid duplicate checking on each method by iterating through
* duplicate-free allInterfaces() rather than recursing
*/
for (InterfaceType interfaze : allInterfaces()) {
list.addAll(interfaze.methods());
}
return list;
}
List<ReferenceType> inheritedTypes() {
List<ReferenceType> inherited = new ArrayList<ReferenceType>();
if (superclass() != null) {
inherited.add(0, (ReferenceType)superclass()); /* insert at front */
}
for (ReferenceType rt : interfaces()) {
inherited.add(rt);
}
return inherited;
}
void validateMethodInvocation(Method method)
throws InvalidTypeException,
InvocationException {
/*
* Method must be in this class or a superclass.
*/
ReferenceTypeImpl declType = (ReferenceTypeImpl)method.declaringType();
if (!declType.isAssignableFrom(this)) {
throw new IllegalArgumentException("Invalid method");
}
/*
* Method must be a static and not a static initializer
*/
if (!method.isStatic()) {
throw new IllegalArgumentException("Cannot invoke instance method on a class type");
} else if (method.isStaticInitializer()) {
throw new IllegalArgumentException("Cannot invoke static initializer");
}
}
void validateConstructorInvocation(Method method)
throws InvalidTypeException,
InvocationException {
......@@ -382,51 +264,33 @@ public class ClassTypeImpl extends ReferenceTypeImpl
}
}
@Override
void addVisibleMethods(Map<String, Method> methodMap, Set<InterfaceType> seenInterfaces) {
/*
* Add methods from
* parent types first, so that the methods in this class will
* overwrite them in the hash table
*/
Iterator<InterfaceType> iter = interfaces().iterator();
while (iter.hasNext()) {
InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next();
if (!seenInterfaces.contains(interfaze)) {
interfaze.addVisibleMethods(methodMap, seenInterfaces);
seenInterfaces.add(interfaze);
}
}
ClassTypeImpl clazz = (ClassTypeImpl)superclass();
if (clazz != null) {
clazz.addVisibleMethods(methodMap, seenInterfaces);
}
public String toString() {
return "class " + name() + " (" + loaderString() + ")";
}
addToMethodMap(methodMap, methods());
@Override
CommandSender getInvokeMethodSender(ThreadReferenceImpl thread,
MethodImpl method,
ValueImpl[] args,
int options) {
return () ->
JDWP.ClassType.InvokeMethod.enqueueCommand(vm,
ClassTypeImpl.this,
thread,
method.ref(),
args,
options);
}
boolean isAssignableTo(ReferenceType type) {
ClassTypeImpl superclazz = (ClassTypeImpl)superclass();
if (this.equals(type)) {
return true;
} else if ((superclazz != null) && superclazz.isAssignableTo(type)) {
return true;
} else {
List<InterfaceType> interfaces = interfaces();
Iterator<InterfaceType> iter = interfaces.iterator();
while (iter.hasNext()) {
InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next();
if (interfaze.isAssignableTo(type)) {
return true;
}
}
return false;
}
@Override
InvocationResult waitForReply(PacketStream stream) throws JDWPException {
return new IResult(JDWP.ClassType.InvokeMethod.waitForReply(vm, stream));
}
public String toString() {
return "class " + name() + " (" + loaderString() + ")";
@Override
boolean canInvoke(Method method) {
// Method must be in this class or a superclass.
return ((ReferenceTypeImpl)method.declaringType()).isAssignableFrom(this);
}
}
src/share/classes/com/sun/tools/jdi/InterfaceTypeImpl.java
浏览文件 @ 7f066bb3
......@@ -29,14 +29,31 @@ import com.sun.jdi.*;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.Iterator;
import java.util.Collections;
import java.util.Set;
import java.lang.ref.SoftReference;
public class InterfaceTypeImpl extends ReferenceTypeImpl
implements InterfaceType {
final public class InterfaceTypeImpl extends InvokableTypeImpl
implements InterfaceType {
private static class IResult implements InvocationResult {
final private JDWP.InterfaceType.InvokeMethod rslt;
public IResult(JDWP.InterfaceType.InvokeMethod rslt) {
this.rslt = rslt;
}
@Override
public ObjectReferenceImpl getException() {
return rslt.exception;
}
@Override
public ValueImpl getResult() {
return rslt.returnValue;
}
}
private SoftReference<List<InterfaceType>> superinterfacesRef = null;
......@@ -81,107 +98,46 @@ public class InterfaceTypeImpl extends ReferenceTypeImpl
return implementors;
}
@Override
void addVisibleMethods(Map<String, Method> methodMap, Set<InterfaceType> seenInterfaces) {
/*
* Add methods from
* parent types first, so that the methods in this class will
* overwrite them in the hash table
*/
for (InterfaceType interfaze : superinterfaces()) {
if (!seenInterfaces.contains(interfaze)) {
((InterfaceTypeImpl)interfaze).addVisibleMethods(methodMap, seenInterfaces);
seenInterfaces.add(interfaze);
}
}
addToMethodMap(methodMap, methods());
public boolean isInitialized() {
return isPrepared();
}
public List<Method> allMethods() {
ArrayList<Method> list = new ArrayList<Method>(methods());
/*
* It's more efficient if don't do this
* recursively.
*/
for (InterfaceType interfaze : allSuperinterfaces()) {
list.addAll(interfaze.methods());
}
return list;
public String toString() {
return "interface " + name() + " (" + loaderString() + ")";
}
List<InterfaceType> allSuperinterfaces() {
ArrayList<InterfaceType> list = new ArrayList<InterfaceType>();
addSuperinterfaces(list);
return list;
@Override
InvocationResult waitForReply(PacketStream stream) throws JDWPException {
return new IResult(JDWP.InterfaceType.InvokeMethod.waitForReply(vm, stream));
}
void addSuperinterfaces(List<InterfaceType> list) {
/*
* This code is a little strange because it
* builds the list with a more suitable order than the
* depth-first approach a normal recursive solution would
* take. Instead, all direct superinterfaces precede all
* indirect ones.
*/
/*
* Get a list of direct superinterfaces that's not already in the
* list being built.
*/
List<InterfaceType> immediate = new ArrayList<InterfaceType>(superinterfaces());
Iterator<InterfaceType> iter = immediate.iterator();
while (iter.hasNext()) {
InterfaceType interfaze = iter.next();
if (list.contains(interfaze)) {
iter.remove();
}
}
/*
* Add all new direct superinterfaces
*/
list.addAll(immediate);
/*
* Recurse for all new direct superinterfaces.
*/
iter = immediate.iterator();
while (iter.hasNext()) {
InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next();
interfaze.addSuperinterfaces(list);
}
@Override
CommandSender getInvokeMethodSender(final ThreadReferenceImpl thread,
final MethodImpl method,
final ValueImpl[] args,
final int options) {
return () ->
JDWP.InterfaceType.InvokeMethod.enqueueCommand(vm,
InterfaceTypeImpl.this,
thread,
method.ref(),
args,
options);
}
boolean isAssignableTo(ReferenceType type) {
// Exact match?
if (this.equals(type)) {
return true;
} else {
// Try superinterfaces.
for (InterfaceType interfaze : superinterfaces()) {
if (((InterfaceTypeImpl)interfaze).isAssignableTo(type)) {
return true;
}
}
return false;
}
@Override
ClassType superclass() {
return null;
}
List<InterfaceType> inheritedTypes() {
@Override
List<InterfaceType> interfaces() {
return superinterfaces();
}
public boolean isInitialized() {
return isPrepared();
}
public String toString() {
return "interface " + name() + " (" + loaderString() + ")";
@Override
boolean canInvoke(Method method) {
// method must be directly in this interface
return this.equals(method.declaringType());
}
}
}
\ No newline at end of file
src/share/classes/com/sun/tools/jdi/InvokableTypeImpl.java 0 → 100644
浏览文件 @ 7f066bb3
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.jdi;
import com.sun.jdi.ClassNotLoadedException;
import com.sun.jdi.ClassType;
import com.sun.jdi.IncompatibleThreadStateException;
import com.sun.jdi.InterfaceType;
import com.sun.jdi.InvalidTypeException;
import com.sun.jdi.InvocationException;
import com.sun.jdi.Method;
import com.sun.jdi.ReferenceType;
import com.sun.jdi.ThreadReference;
import com.sun.jdi.Value;
import com.sun.jdi.VirtualMachine;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* A supertype for ReferenceTypes allowing method invocations
*/
abstract class InvokableTypeImpl extends ReferenceTypeImpl {
/**
* The invocation result wrapper
* It is necessary because both ClassType and InterfaceType
* use their own type to represent the invocation result
*/
static interface InvocationResult {
ObjectReferenceImpl getException();
ValueImpl getResult();
}
InvokableTypeImpl(VirtualMachine aVm, long aRef) {
super(aVm, aRef);
}
/**
* Method invocation support.
* Shared by ClassType and InterfaceType
* @param threadIntf the thread in which to invoke.
* @param methodIntf method the {@link Method} to invoke.
* @param origArguments the list of {@link Value} arguments bound to the
* invoked method. Values from the list are assigned to arguments
* in the order they appear in the method signature.
* @param options the integer bit flag options.
* @return a {@link Value} mirror of the invoked method's return value.
* @throws java.lang.IllegalArgumentException if the method is not
* a member of this type, if the size of the argument list
* does not match the number of declared arguments for the method, or
* if the method is not static or is a static initializer.
* @throws {@link InvalidTypeException} if any argument in the
* argument list is not assignable to the corresponding method argument
* type.
* @throws ClassNotLoadedException if any argument type has not yet been loaded
* through the appropriate class loader.
* @throws IncompatibleThreadStateException if the specified thread has not
* been suspended by an event.
* @throws InvocationException if the method invocation resulted in
* an exception in the target VM.
* @throws InvalidTypeException If the arguments do not meet this requirement --
* Object arguments must be assignment compatible with the argument
* type. This implies that the argument type must be
* loaded through the enclosing class's class loader.
* Primitive arguments must be either assignment compatible with the
* argument type or must be convertible to the argument type without loss
* of information. See JLS section 5.2 for more information on assignment
* compatibility.
* @throws VMCannotBeModifiedException if the VirtualMachine is read-only - see {@link VirtualMachine#canBeModified()}.
*/
final public Value invokeMethod(ThreadReference threadIntf, Method methodIntf,
List<? extends Value> origArguments, int options)
throws InvalidTypeException,
ClassNotLoadedException,
IncompatibleThreadStateException,
InvocationException {
validateMirror(threadIntf);
validateMirror(methodIntf);
validateMirrorsOrNulls(origArguments);
MethodImpl method = (MethodImpl) methodIntf;
ThreadReferenceImpl thread = (ThreadReferenceImpl) threadIntf;
validateMethodInvocation(method);
List<? extends Value> arguments = method.validateAndPrepareArgumentsForInvoke(origArguments);
ValueImpl[] args = arguments.toArray(new ValueImpl[0]);
InvocationResult ret;
try {
PacketStream stream = sendInvokeCommand(thread, method, args, options);
ret = waitForReply(stream);
} catch (JDWPException exc) {
if (exc.errorCode() == JDWP.Error.INVALID_THREAD) {
throw new IncompatibleThreadStateException();
} else {
throw exc.toJDIException();
}
}
/*
* There is an implict VM-wide suspend at the conclusion
* of a normal (non-single-threaded) method invoke
*/
if ((options & ClassType.INVOKE_SINGLE_THREADED) == 0) {
vm.notifySuspend();
}
if (ret.getException() != null) {
throw new InvocationException(ret.getException());
} else {
return ret.getResult();
}
}
@Override
boolean isAssignableTo(ReferenceType type) {
ClassTypeImpl superclazz = (ClassTypeImpl) superclass();
if (this.equals(type)) {
return true;
} else if ((superclazz != null) && superclazz.isAssignableTo(type)) {
return true;
} else {
List<InterfaceType> interfaces = interfaces();
Iterator<InterfaceType> iter = interfaces.iterator();
while (iter.hasNext()) {
InterfaceTypeImpl interfaze = (InterfaceTypeImpl) iter.next();
if (interfaze.isAssignableTo(type)) {
return true;
}
}
return false;
}
}
@Override
final void addVisibleMethods(Map<String, Method> methodMap, Set<InterfaceType> seenInterfaces) {
/*
* Add methods from
* parent types first, so that the methods in this class will
* overwrite them in the hash table
*/
Iterator<InterfaceType> iter = interfaces().iterator();
while (iter.hasNext()) {
InterfaceTypeImpl interfaze = (InterfaceTypeImpl) iter.next();
if (!seenInterfaces.contains(interfaze)) {
interfaze.addVisibleMethods(methodMap, seenInterfaces);
seenInterfaces.add(interfaze);
}
}
ClassTypeImpl clazz = (ClassTypeImpl) superclass();
if (clazz != null) {
clazz.addVisibleMethods(methodMap, seenInterfaces);
}
addToMethodMap(methodMap, methods());
}
final void addInterfaces(List<InterfaceType> list) {
List<InterfaceType> immediate = interfaces();
list.addAll(interfaces());
Iterator<InterfaceType> iter = immediate.iterator();
while (iter.hasNext()) {
InterfaceTypeImpl interfaze = (InterfaceTypeImpl) iter.next();
interfaze.addInterfaces(list);
}
ClassTypeImpl superclass = (ClassTypeImpl) superclass();
if (superclass != null) {
superclass.addInterfaces(list);
}
}
/**
* Returns all the implemented interfaces recursively
* @return A list of all the implemented interfaces (recursively)
*/
final List<InterfaceType> getAllInterfaces() {
List<InterfaceType> all = new ArrayList<>();
addInterfaces(all);
return all;
}
/**
* Shared implementation of {@linkplain ClassType#allMethods()} and
* {@linkplain InterfaceType#allMethods()}
* @return A list of all methods (recursively)
*/
public final List<Method> allMethods() {
ArrayList<Method> list = new ArrayList<>(methods());
ClassType clazz = superclass();
while (clazz != null) {
list.addAll(clazz.methods());
clazz = clazz.superclass();
}
/*
* Avoid duplicate checking on each method by iterating through
* duplicate-free allInterfaces() rather than recursing
*/
for (InterfaceType interfaze : getAllInterfaces()) {
list.addAll(interfaze.methods());
}
return list;
}
@Override
final List<ReferenceType> inheritedTypes() {
List<ReferenceType> inherited = new ArrayList<>();
if (superclass() != null) {
inherited.add(0, superclass()); /* insert at front */
}
for (ReferenceType rt : interfaces()) {
inherited.add(rt);
}
return inherited;
}
private PacketStream sendInvokeCommand(final ThreadReferenceImpl thread,
final MethodImpl method,
final ValueImpl[] args,
final int options) {
CommandSender sender = getInvokeMethodSender(thread, method, args, options);
PacketStream stream;
if ((options & ClassType.INVOKE_SINGLE_THREADED) != 0) {
stream = thread.sendResumingCommand(sender);
} else {
stream = vm.sendResumingCommand(sender);
}
return stream;
}
private void validateMethodInvocation(Method method)
throws InvalidTypeException,
InvocationException {
if (!canInvoke(method)) {
throw new IllegalArgumentException("Invalid method");
}
/*
* Method must be a static and not a static initializer
*/
if (!method.isStatic()) {
throw new IllegalArgumentException("Cannot invoke instance method on a class/interface type");
} else if (method.isStaticInitializer()) {
throw new IllegalArgumentException("Cannot invoke static initializer");
}
}
/**
* A subclass will provide specific {@linkplain CommandSender}
* @param thread the current invocation thread
* @param method the method to invoke
* @param args the arguments to pass to the method
* @param options the integer bit flag options
* @return the specific {@literal CommandSender} instance
*/
abstract CommandSender getInvokeMethodSender(ThreadReferenceImpl thread,
MethodImpl method,
ValueImpl[] args,
int options);
/**
* Waits for the reply to the last sent command
* @param stream the stream to listen for the reply on
* @return the {@linkplain InvocationResult} instance
* @throws JDWPException when something goes wrong in JDWP
*/
abstract InvocationResult waitForReply(PacketStream stream) throws JDWPException;
/**
* Get the {@linkplain ReferenceType} superclass
* @return the superclass or null
*/
abstract ClassType superclass();
/**
* Get the implemented/extended interfaces
* @return the list of implemented/extended interfaces
*/
abstract List<InterfaceType> interfaces();
/**
* Checks the provided method whether it can be invoked
* @param method the method to check
* @return {@code TRUE} if the implementation knows how to invoke the method,
* {@code FALSE} otherwise
*/
abstract boolean canInvoke(Method method);
}
src/share/classes/com/sun/tools/jdi/MethodImpl.java
浏览文件 @ 7f066bb3
......@@ -187,6 +187,13 @@ public abstract class MethodImpl extends TypeComponentImpl
return isModifierSet(VMModifiers.ABSTRACT);
}
public boolean isDefault() {
return !isModifierSet(VMModifiers.ABSTRACT) &&
!isModifierSet(VMModifiers.STATIC) &&
!isModifierSet(VMModifiers.PRIVATE) &&
declaringType() instanceof InterfaceType;
}
public boolean isSynchronized() {
return isModifierSet(VMModifiers.SYNCHRONIZED);
}
......
src/share/classes/com/sun/tools/jdi/ObjectReferenceImpl.java
浏览文件 @ 7f066bb3
......@@ -277,7 +277,6 @@ public class ObjectReferenceImpl extends ValueImpl
void validateMethodInvocation(Method method, int options)
throws InvalidTypeException,
InvocationException {
/*
* Method must be in this object's class, a superclass, or
* implemented interface
......@@ -287,6 +286,19 @@ public class ObjectReferenceImpl extends ValueImpl
throw new IllegalArgumentException("Invalid method");
}
if (declType instanceof ClassTypeImpl) {
validateClassMethodInvocation(method, options);
} else if (declType instanceof InterfaceTypeImpl) {
validateIfaceMethodInvocation(method, options);
} else {
throw new InvalidTypeException();
}
}
void validateClassMethodInvocation(Method method, int options)
throws InvalidTypeException,
InvocationException {
ClassTypeImpl clazz = invokableReferenceType(method);
/*
......@@ -300,9 +312,7 @@ public class ObjectReferenceImpl extends ValueImpl
* For nonvirtual invokes, method must have a body
*/
if ((options & INVOKE_NONVIRTUAL) != 0) {
if (method.declaringType() instanceof InterfaceType) {
throw new IllegalArgumentException("Interface method");
} else if (method.isAbstract()) {
if (method.isAbstract()) {
throw new IllegalArgumentException("Abstract method");
}
}
......@@ -324,7 +334,7 @@ public class ObjectReferenceImpl extends ValueImpl
*/
Method invoker = clazz.concreteMethodByName(method.name(),
method.signature());
// isAssignableFrom check above guarantees non-null
// invoker is supposed to be non-null under normal circumstances
invokedClass = (ClassTypeImpl)invoker.declaringType();
}
/* The above code is left over from previous versions.
......@@ -332,6 +342,17 @@ public class ObjectReferenceImpl extends ValueImpl
*/
}
void validateIfaceMethodInvocation(Method method, int options)
throws InvalidTypeException,
InvocationException {
/*
* Only default methods allowed for nonvirtual invokes
*/
if (!method.isDefault()) {
throw new IllegalArgumentException("Not a default method");
}
}
PacketStream sendInvokeCommand(final ThreadReferenceImpl thread,
final ClassTypeImpl refType,
final MethodImpl method,
......@@ -370,7 +391,10 @@ public class ObjectReferenceImpl extends ValueImpl
ThreadReferenceImpl thread = (ThreadReferenceImpl)threadIntf;
if (method.isStatic()) {
if (referenceType() instanceof ClassType) {
if (referenceType() instanceof InterfaceType) {
InterfaceType type = (InterfaceType)referenceType();
return type.invokeMethod(thread, method, origArguments, options);
} else if (referenceType() instanceof ClassType) {
ClassType type = (ClassType)referenceType();
return type.invokeMethod(thread, method, origArguments, options);
} else {
......
src/share/classes/com/sun/tools/jdi/VirtualMachineManagerImpl.java
浏览文件 @ 7f066bb3
......@@ -48,7 +48,7 @@ public class VirtualMachineManagerImpl implements VirtualMachineManagerService {
private ResourceBundle messages = null;
private int vmSequenceNumber = 0;
private static final int majorVersion = 1;
private static final int minorVersion = 6;
private static final int minorVersion = 8;
private static final Object lock = new Object();
private static VirtualMachineManagerImpl vmm;
......
test/com/sun/jdi/EvalInterfaceStatic.sh 0 → 100644
浏览文件 @ 7f066bb3
#!/bin/sh
#
# Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#
# @test
# @bug 8031195
# @summary JDB allows evaluation of calls to static interface methods
# @author Jaroslav Bachorik
#
# @run shell/timeout=300 EvalInterfaceStatic.sh
# The test exercises the ability to invoke static methods on interfaces.
# Static interface methods are a new feature added in JDK8.
#
# The test makes sure that it is, at all, possible to invoke an interface
# static method and that the static methods are not inherited by extending
# interfaces.
classname=EvalStaticInterfaces
createJavaFile()
{
cat <<EOF > $classname.java.1
public interface $classname {
static String staticMethod1() {
return "base:staticMethod1";
}
static String staticMethod2() {
return "base:staticMethod2";
}
public static void main(String[] args) {
// prove that these work
System.out.println("base staticMethod1(): " + $classname.staticMethod1());
System.out.println("base staticMethod2(): " + $classname.staticMethod2());
System.out.println("overridden staticMethod2(): " + Extended$classname.staticMethod2());
System.out.println("base staticMethod3(): " + Extended$classname.staticMethod3());
gus();
}
static void gus() {
int x = 0; // @1 breakpoint
}
}
interface Extended$classname extends $classname {
static String staticMethod2() {
return "extended:staticMethod2";
}
static String staticMethod3() {
return "extended:staticMethod3";
}
}
EOF
}
# drive jdb by sending cmds to it and examining its output
dojdbCmds()
{
setBkpts @1
runToBkpt @1
cmd eval "$classname.staticMethod1()"
jdbFailIfNotPresent "base:staticMethod1" 2
cmd eval "$classname.staticMethod2()"
jdbFailIfNotPresent "base:staticMethod2" 2
cmd eval "Extended$classname.staticMethod1()"
jdbFailIfPresent "base:staticMethod1" 2
cmd eval "Extended$classname.staticMethod2()"
jdbFailIfNotPresent "extended:staticMethod2" 2
cmd eval "Extended$classname.staticMethod3()"
jdbFailIfNotPresent "extended:staticMethod3" 2
}
mysetup()
{
if [ -z "$TESTSRC" ] ; then
TESTSRC=.
fi
for ii in . $TESTSRC $TESTSRC/.. ; do
if [ -r "$ii/ShellScaffold.sh" ] ; then
. $ii/ShellScaffold.sh
break
fi
done
}
# You could replace this next line with the contents
# of ShellScaffold.sh and this script will run just the same.
mysetup
runit
pass
test/com/sun/jdi/InterfaceMethodsTest.java 0 → 100644
浏览文件 @ 7f066bb3
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 8031195
* @summary JDI: Add support for static and default methods in interfaces
*
* @run build TestScaffold VMConnection TargetListener TargetAdapter
* @run build InterfaceMethodsTest
* @run main InterfaceMethodsTest
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import java.util.Collections;
public class InterfaceMethodsTest extends TestScaffold {
private static final int RESULT_A = 1;
private static final int RESULT_B = 1;
private static final int RESULT_TARGET = 1;
static interface InterfaceA {
static int staticMethodA() {
System.out.println("-InterfaceA: static interface method A-");
return RESULT_A;
}
static int staticMethodB() {
System.out.println("-InterfaceA: static interface method B-");
return RESULT_A;
}
default int defaultMethodA() {
System.out.println("-InterfaceA: default interface method A-");
return RESULT_A;
}
default int defaultMethodB() {
System.out.println("-InterfaceA: default interface method B-");
return RESULT_A;
}
default int defaultMethodC() {
System.out.println("-InterfaceA: default interface method C-");
return RESULT_A;
}
int implementedMethod();
}
static interface InterfaceB extends InterfaceA {
@Override
default int defaultMethodC() {
System.out.println("-InterfaceB: overridden default interface method C-");
return RESULT_B;
}
default int defaultMethodD() {
System.out.println("-InterfaceB: default interface method D-");
return RESULT_B;
}
static int staticMethodB() {
System.out.println("-InterfaceB: overridden static interface method B-");
return RESULT_B;
}
static int staticMethodC() {
System.out.println("-InterfaceB: static interface method C-");
return RESULT_B;
}
}
final static class TargetClass implements InterfaceB {
public int classMethod() {
System.out.println("-TargetClass: class only method-");
return RESULT_TARGET;
}
@Override
public int implementedMethod() {
System.out.println("-TargetClass: implemented non-default interface method-");
return RESULT_TARGET;
}
@Override
public int defaultMethodB() {
System.out.println("-TargetClass: overridden default interface method D");
return RESULT_TARGET;
}
public static void main(String[] args) {
TargetClass tc = new TargetClass();
tc.doTests(tc);
}
private void doTests(TargetClass ref) {
// break
}
}
public InterfaceMethodsTest(String[] args) {
super(args);
}
public static void main(String[] args) throws Exception {
new InterfaceMethodsTest(args).startTests();
}
private static final String TEST_CLASS_NAME = InterfaceMethodsTest.class.getName().replace('.', '/');
private static final String TARGET_CLASS_NAME = TargetClass.class.getName().replace('.', '/');
private static final String INTERFACEA_NAME = InterfaceA.class.getName().replace('.', '/');
private static final String INTERFACEB_NAME = InterfaceB.class.getName().replace('.', '/');
protected void runTests() throws Exception {
/*
* Get to the top of main()
* to determine targetClass and mainThread
*/
BreakpointEvent bpe = startToMain(TARGET_CLASS_NAME);
bpe = resumeTo(TARGET_CLASS_NAME, "doTests", "(L" + TARGET_CLASS_NAME +";)V");
mainThread = bpe.thread();
StackFrame frame = mainThread.frame(0);
ObjectReference thisObject = frame.thisObject();
ObjectReference ref = (ObjectReference)frame.getArgumentValues().get(0);
ReferenceType targetClass = bpe.location().declaringType();
testImplementationClass(targetClass, thisObject);
testInterfaceA(ref);
testInterfaceB(ref);
/*
* resume the target listening for events
*/
listenUntilVMDisconnect();
/*
* deal with results of test
* if anything has called failure("foo") testFailed will be true
*/
if (!testFailed) {
println("InterfaceMethodsTest: passed");
} else {
throw new Exception("InterfaceMethodsTest: failed");
}
}
private void testInterfaceA(ObjectReference ref) {
// Test non-virtual calls on InterfaceA
ReferenceType ifaceClass = (ReferenceType)vm().classesByName(INTERFACEA_NAME).get(0);
/* Default method calls */
// invoke the InterfaceA's "defaultMethodA"
testInvokePos(ifaceClass, ref, "defaultMethodA", "()I", vm().mirrorOf(RESULT_A));
// invoke the InterfaceA's "defaultMethodB"
testInvokePos(ifaceClass, ref, "defaultMethodB", "()I", vm().mirrorOf(RESULT_A));
// invoke the InterfaceA's "defaultMethodC"
testInvokePos(ifaceClass, ref, "defaultMethodC", "()I", vm().mirrorOf(RESULT_A));
// "defaultMethodD" from InterfaceB is not accessible from here
testInvokeNeg(ifaceClass, ref, "defaultMethodD", "()I", vm().mirrorOf(RESULT_B),
"Attempted to invoke non-existing method");
// trying to invoke the asbtract method "implementedMethod"
testInvokeNeg(ifaceClass, ref, "implementedMethod", "()I", vm().mirrorOf(TARGET_CLASS_NAME),
"Invocation of non-default methods is not supported");
/* Static method calls */
// invoke interface static method A
testInvokePos(ifaceClass, null, "staticMethodA", "()I", vm().mirrorOf(RESULT_A));
// try to invoke static method A on the instance
testInvokePos(ifaceClass, ref, "staticMethodA", "()I", vm().mirrorOf(RESULT_A));
// invoke interface static method B
testInvokePos(ifaceClass, null, "staticMethodB", "()I", vm().mirrorOf(RESULT_A));
// try to invoke static method B on the instance
testInvokePos(ifaceClass, ref, "staticMethodB", "()I", vm().mirrorOf(RESULT_A));
}
private void testInterfaceB(ObjectReference ref) {
// Test non-virtual calls on InterfaceB
ReferenceType ifaceClass = (ReferenceType)vm().classesByName(INTERFACEB_NAME).get(0);
/* Default method calls */
// invoke the inherited "defaultMethodA"
testInvokePos(ifaceClass, ref, "defaultMethodA", "()I", vm().mirrorOf(RESULT_A));
// invoke the inherited "defaultMethodB"
testInvokePos(ifaceClass, ref, "defaultMethodB", "()I", vm().mirrorOf(RESULT_A));
// invoke the inherited and overridden "defaultMethodC"
testInvokePos(ifaceClass, ref, "defaultMethodC", "()I", vm().mirrorOf(RESULT_B));
// invoke InterfaceB only "defaultMethodD"
testInvokePos(ifaceClass, ref, "defaultMethodD", "()I", vm().mirrorOf(RESULT_B));
// "implementedMethod" is not present in InterfaceB
testInvokeNeg(ifaceClass, ref, "implementedMethod", "()I", vm().mirrorOf(RESULT_TARGET),
"Invocation of non-default methods is not supported");
/* Static method calls*/
// "staticMethodA" must not be inherited by InterfaceB
testInvokeNeg(ifaceClass, null, "staticMethodA", "()I", vm().mirrorOf(RESULT_A),
"Static interface methods are not inheritable");
// however it is possible to call "staticMethodA" on the actual instance
testInvokeNeg(ifaceClass, ref, "staticMethodA", "()I", vm().mirrorOf(RESULT_A),
"Static interface methods are not inheritable");
// "staticMethodB" is overridden in InterfaceB
testInvokePos(ifaceClass, null, "staticMethodB", "()I", vm().mirrorOf(RESULT_B));
// the instance invokes the overriden form of "staticMethodB" from InterfaceB
testInvokePos(ifaceClass, ref, "staticMethodB", "()I", vm().mirrorOf(RESULT_B));
// "staticMethodC" is present only in InterfaceB
testInvokePos(ifaceClass, null, "staticMethodC", "()I", vm().mirrorOf(RESULT_B));
// "staticMethodC" should be reachable from the instance too
testInvokePos(ifaceClass, ref, "staticMethodC", "()I", vm().mirrorOf(RESULT_B));
}
private void testImplementationClass(ReferenceType targetClass, ObjectReference thisObject) {
// Test invocations on the implementation object
/* Default method calls */
// "defaultMethodA" is accessible and not overridden
testInvokePos(targetClass, thisObject, "defaultMethodA", "()I", vm().mirrorOf(RESULT_TARGET));
// "defaultMethodB" is accessible and overridden in TargetClass
testInvokePos(targetClass, thisObject, "defaultMethodB", "()I", vm().mirrorOf(RESULT_TARGET));
// "defaultMethodC" is accessible and overridden in InterfaceB
testInvokePos(targetClass, thisObject, "defaultMethodC", "()I", vm().mirrorOf(RESULT_TARGET));
// "defaultMethodD" is accessible
testInvokePos(targetClass, thisObject, "defaultMethodD", "()I", vm().mirrorOf(RESULT_TARGET));
/* Non-default instance method calls */
// "classMethod" declared in TargetClass is accessible
testInvokePos(targetClass, thisObject, "classMethod", "()I", vm().mirrorOf(RESULT_TARGET));
// the abstract "implementedMethod" has been implemented in TargetClass
testInvokePos(targetClass, thisObject, "implementedMethod", "()I", vm().mirrorOf(RESULT_TARGET));
/* Static method calls */
// All the static methods declared by the interfaces are not reachable from the instance of the implementor class
testInvokeNeg(targetClass, thisObject, "staticMethodA", "()I", vm().mirrorOf(RESULT_A),
"Static interface methods are not inheritable");
testInvokeNeg(targetClass, thisObject, "staticMethodB", "()I", vm().mirrorOf(RESULT_B),
"Static interface methods are not inheritable");
testInvokeNeg(targetClass, thisObject, "staticMethodC", "()I", vm().mirrorOf(RESULT_B),
"Static interface methods are not inheritable");
// All the static methods declared by the interfaces are not reachable through the implementor class
testInvokeNeg(targetClass, null, "staticMethodA", "()I", vm().mirrorOf(RESULT_A),
"Static interface methods are not inheritable");
testInvokeNeg(targetClass, null, "staticMethodB", "()I", vm().mirrorOf(RESULT_B),
"Static interface methods are not inheritable");
testInvokeNeg(targetClass, null, "staticMethodC", "()I", vm().mirrorOf(RESULT_B),
"Static interface methods are not inheritable");
}
private void testInvokePos(ReferenceType targetClass, ObjectReference ref, String methodName,
String methodSig, Value value) {
logInvocation(ref, methodName, methodSig, targetClass);
try {
invoke(targetClass, ref, methodName, methodSig, value);
System.err.println("--- PASSED");
} catch (Exception e) {
System.err.println("--- FAILED");
failure("FAILED: Invocation failed with error message " + e.getLocalizedMessage());
}
}
private void testInvokeNeg(ReferenceType targetClass, ObjectReference ref, String methodName,
String methodSig, Value value, String msg) {
logInvocation(ref, methodName, methodSig, targetClass);
try {
invoke(targetClass, ref, methodName, methodSig, value);
System.err.println("--- FAILED");
failure("FAILED: " + msg);
} catch (Exception e) {
System.err.println("--- PASSED");
}
}
private void invoke(ReferenceType targetClass, ObjectReference ref, String methodName,
String methodSig, Value value)
throws Exception {
Method method = getMethod(targetClass, methodName, methodSig);
if (method == null) {
throw new Exception("Can't find method: " + methodName + " for class = " + targetClass);
}
println("Invoking " + (method.isAbstract() ? "abstract " : " ") + "method: " + method);
Value returnValue = null;
if (ref != null) {
returnValue = invokeInstance(ref, method);
} else {
returnValue = invokeStatic(targetClass, method);
}
println(" return val = " + returnValue);
// It has to be the same value as what we passed in!
if (returnValue.equals(value)) {
println(" " + method.name() + " return value matches: "
+ value);
} else {
if (value != null) {
throw new Exception(method.name() + " returned: " + returnValue +
" expected: " + value );
} else {
println(" " + method.name() + " return value : " + returnValue);
}
}
}
private Value invokeInstance(ObjectReference ref, Method method) throws Exception {
return ref.invokeMethod(mainThread, method, Collections.emptyList(), ObjectReference.INVOKE_NONVIRTUAL);
}
private Value invokeStatic(ReferenceType refType, Method method) throws Exception {
if (refType instanceof ClassType) {
return ((ClassType)refType).invokeMethod(mainThread, method, Collections.emptyList(), ObjectReference.INVOKE_NONVIRTUAL);
} else {
return ((InterfaceType)refType).invokeMethod(mainThread, method, Collections.emptyList(), ObjectReference.INVOKE_NONVIRTUAL);
}
}
private Method getMethod(ReferenceType rt, String name, String signature) {
if (rt == null) return null;
Method m = findMethod(rt, name, signature);
if (m == null) {
if (rt instanceof ClassType) {
for (Object ifc : ((ClassType)rt).interfaces()) {
m = getMethod((ReferenceType)ifc, name, signature);
if (m != null) {
break;
}
}
if (m == null) {
m = getMethod(((ClassType)rt).superclass(), name, signature);
} else {
if (m.isStatic()) {
// interface static methods are not inherited
m = null;
}
}
} else if (rt instanceof InterfaceType) {
for(Object ifc : ((InterfaceType)rt).superinterfaces()) {
m = getMethod((ReferenceType)ifc, name, signature);
if (m != null) {
if (m.isStatic()) {
// interface static methods are not inherited
m = null;
}
break;
}
}
}
}
return m;
}
private void logInvocation(ObjectReference ref, String methodName, String methodSig, ReferenceType targetClass) {
if (ref != null) {
System.err.println("Invoking: " + ref.referenceType().name() + "." +
methodName + methodSig + " with target of type " +
targetClass.name());
} else {
System.err.println("Invoking static : " + targetClass.name() + "." +
methodName + methodSig);
}
}
}
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