tools/jdi/EventRequestManagerImpl.java

0N/A/*
2362N/A * Copyright (c) 1998, 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation.  Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage com.sun.tools.jdi;
0N/A
0N/Aimport com.sun.jdi.*;
0N/Aimport com.sun.jdi.request.*;
0N/Aimport com.sun.tools.jdi.JDWP;
0N/A
0N/Aimport java.util.*;
0N/A
0N/A/**
0N/A * This interface is used to create and remove Breakpoints, Watchpoints,
0N/A * etc.
0N/A * It include implementations of all the request interfaces..
0N/A */
0N/A// Warnings from List filters and List[] requestLists is  hard to fix.
0N/A// Remove SuppressWarning when we fix the warnings from List filters
0N/A// and List[] requestLists. The generic array is not supported.
0N/A@SuppressWarnings("unchecked")
0N/Aclass EventRequestManagerImpl extends MirrorImpl
0N/A                                       implements EventRequestManager
0N/A{
0N/A    List[] requestLists;
0N/A    private static int methodExitEventCmd = 0;
0N/A
0N/A    static int JDWPtoJDISuspendPolicy(byte jdwpPolicy) {
0N/A        switch(jdwpPolicy) {
0N/A            case JDWP.SuspendPolicy.ALL:
0N/A                return EventRequest.SUSPEND_ALL;
0N/A            case JDWP.SuspendPolicy.EVENT_THREAD:
0N/A                return EventRequest.SUSPEND_EVENT_THREAD;
0N/A        case JDWP.SuspendPolicy.NONE:
0N/A                return EventRequest.SUSPEND_NONE;
0N/A            default:
0N/A                throw new IllegalArgumentException("Illegal policy constant: " + jdwpPolicy);
0N/A        }
0N/A    }
0N/A
0N/A    static byte JDItoJDWPSuspendPolicy(int jdiPolicy) {
0N/A        switch(jdiPolicy) {
0N/A            case EventRequest.SUSPEND_ALL:
0N/A                return JDWP.SuspendPolicy.ALL;
0N/A            case EventRequest.SUSPEND_EVENT_THREAD:
0N/A                return JDWP.SuspendPolicy.EVENT_THREAD;
0N/A            case EventRequest.SUSPEND_NONE:
0N/A                return JDWP.SuspendPolicy.NONE;
0N/A            default:
0N/A                throw new IllegalArgumentException("Illegal policy constant: " + jdiPolicy);
0N/A        }
0N/A    }
0N/A
0N/A    /*
0N/A     * Override superclass back to default equality
0N/A     */
0N/A    public boolean equals(Object obj) {
0N/A        return this == obj;
0N/A    }
0N/A
0N/A    public int hashCode() {
0N/A        return System.identityHashCode(this);
0N/A    }
0N/A
0N/A    abstract class EventRequestImpl extends MirrorImpl implements EventRequest {
0N/A        int id;
0N/A
0N/A        /*
0N/A         * This list is not protected by a synchronized wrapper. All
0N/A         * access/modification should be protected by synchronizing on
0N/A         * the enclosing instance of EventRequestImpl.
0N/A         */
0N/A        List filters = new ArrayList();
0N/A
0N/A        boolean isEnabled = false;
0N/A        boolean deleted = false;
0N/A        byte suspendPolicy = JDWP.SuspendPolicy.ALL;
0N/A        private Map<Object, Object> clientProperties = null;
0N/A
0N/A        EventRequestImpl() {
0N/A            super(EventRequestManagerImpl.this.vm);
0N/A        }
0N/A
0N/A
0N/A        /*
0N/A         * Override superclass back to default equality
0N/A         */
0N/A        public boolean equals(Object obj) {
0N/A            return this == obj;
0N/A        }
0N/A
0N/A        public int hashCode() {
0N/A            return System.identityHashCode(this);
0N/A        }
0N/A
0N/A        abstract int eventCmd();
0N/A
0N/A        InvalidRequestStateException invalidState() {
0N/A            return new InvalidRequestStateException(toString());
0N/A        }
0N/A
0N/A        String state() {
0N/A            return deleted? " (deleted)" :
0N/A                (isEnabled()? " (enabled)" : " (disabled)");
0N/A        }
0N/A
0N/A        /**
0N/A         * @return all the event request of this kind
0N/A         */
0N/A        List requestList() {
0N/A            return EventRequestManagerImpl.this.requestList(eventCmd());
0N/A        }
0N/A
0N/A        /**
0N/A         * delete the event request
0N/A         */
0N/A        void delete() {
0N/A            if (!deleted) {
0N/A                requestList().remove(this);
0N/A                disable(); /* must do BEFORE delete */
0N/A                deleted = true;
0N/A            }
0N/A        }
0N/A
0N/A        public boolean isEnabled() {
0N/A            return isEnabled;
0N/A        }
0N/A
0N/A        public void enable() {
0N/A            setEnabled(true);
0N/A        }
0N/A
0N/A        public void disable() {
0N/A            setEnabled(false);
0N/A        }
0N/A
0N/A        public synchronized void setEnabled(boolean val) {
0N/A            if (deleted) {
0N/A                throw invalidState();
0N/A            } else {
0N/A                if (val != isEnabled) {
0N/A                    if (isEnabled) {
0N/A                        clear();
0N/A                    } else {
0N/A                        set();
0N/A                    }
0N/A                }
0N/A            }
0N/A        }
0N/A
0N/A        public synchronized void addCountFilter(int count) {
0N/A            if (isEnabled() || deleted) {
0N/A                throw invalidState();
0N/A            }
0N/A            if (count < 1) {
0N/A                throw new IllegalArgumentException("count is less than one");
0N/A            }
0N/A            filters.add(JDWP.EventRequest.Set.Modifier.Count.create(count));
0N/A        }
0N/A
0N/A        public void setSuspendPolicy(int policy) {
0N/A            if (isEnabled() || deleted) {
0N/A                throw invalidState();
0N/A            }
0N/A            suspendPolicy = JDItoJDWPSuspendPolicy(policy);
0N/A        }
0N/A
0N/A        public int suspendPolicy() {
0N/A            return JDWPtoJDISuspendPolicy(suspendPolicy);
0N/A        }
0N/A
0N/A        /**
0N/A         * set (enable) the event request
0N/A         */
0N/A        synchronized void set() {
0N/A            JDWP.EventRequest.Set.Modifier[] mods =
0N/A                (JDWP.EventRequest.Set.Modifier[])
0N/A                filters.toArray(
0N/A                    new JDWP.EventRequest.Set.Modifier[filters.size()]);
0N/A            try {
0N/A                id = JDWP.EventRequest.Set.process(vm, (byte)eventCmd(),
0N/A                                                   suspendPolicy, mods).requestID;
0N/A            } catch (JDWPException exc) {
0N/A                throw exc.toJDIException();
0N/A            }
0N/A            isEnabled = true;
0N/A        }
0N/A
0N/A        synchronized void clear() {
0N/A            try {
0N/A                JDWP.EventRequest.Clear.process(vm, (byte)eventCmd(), id);
0N/A            } catch (JDWPException exc) {
0N/A                throw exc.toJDIException();
0N/A            }
0N/A            isEnabled = false;
0N/A        }
0N/A
0N/A        /**
0N/A         * @return a small Map
0N/A         * @see #putProperty
0N/A         * @see #getProperty
0N/A         */
0N/A        private Map<Object, Object> getProperties() {
0N/A            if (clientProperties == null) {
0N/A                clientProperties = new HashMap<Object, Object>(2);
0N/A            }
0N/A            return clientProperties;
0N/A        }
0N/A
0N/A        /**
0N/A         * Returns the value of the property with the specified key.  Only
0N/A         * properties added with <code>putProperty</code> will return
0N/A         * a non-null value.
0N/A         *
0N/A         * @return the value of this property or null
0N/A         * @see #putProperty
0N/A         */
0N/A        public final Object getProperty(Object key) {
0N/A            if (clientProperties == null) {
0N/A                return null;
0N/A            } else {
0N/A                return getProperties().get(key);
0N/A            }
0N/A        }
0N/A
0N/A        /**
0N/A         * Add an arbitrary key/value "property" to this component.
0N/A         *
0N/A         * @see #getProperty
0N/A         */
0N/A        public final void putProperty(Object key, Object value) {
0N/A            if (value != null) {
0N/A                getProperties().put(key, value);
0N/A            } else {
0N/A                getProperties().remove(key);
0N/A            }
0N/A        }
0N/A    }
0N/A
0N/A    abstract class ThreadVisibleEventRequestImpl extends EventRequestImpl {
0N/A        public synchronized void addThreadFilter(ThreadReference thread) {
0N/A            validateMirror(thread);
0N/A            if (isEnabled() || deleted) {
0N/A                throw invalidState();
0N/A            }
0N/A            filters.add(JDWP.EventRequest.Set.Modifier.ThreadOnly
0N/A                                      .create((ThreadReferenceImpl)thread));
0N/A        }
0N/A    }
0N/A
0N/A    abstract class ClassVisibleEventRequestImpl
0N/A                                  extends ThreadVisibleEventRequestImpl {
0N/A        public synchronized void addClassFilter(ReferenceType clazz) {
0N/A            validateMirror(clazz);
0N/A            if (isEnabled() || deleted) {
0N/A                throw invalidState();
0N/A            }
0N/A            filters.add(JDWP.EventRequest.Set.Modifier.ClassOnly
0N/A                                      .create((ReferenceTypeImpl)clazz));
0N/A        }
0N/A
0N/A        public synchronized void addClassFilter(String classPattern) {
0N/A            if (isEnabled() || deleted) {
0N/A                throw invalidState();
0N/A            }
0N/A            if (classPattern == null) {
0N/A                throw new NullPointerException();
0N/A            }
0N/A            filters.add(JDWP.EventRequest.Set.Modifier.ClassMatch
0N/A                                      .create(classPattern));
0N/A        }
0N/A
0N/A        public synchronized void addClassExclusionFilter(String classPattern) {
0N/A            if (isEnabled() || deleted) {
0N/A                throw invalidState();
0N/A            }
0N/A            if (classPattern == null) {
0N/A                throw new NullPointerException();
0N/A            }
0N/A            filters.add(JDWP.EventRequest.Set.Modifier.ClassExclude
0N/A                                      .create(classPattern));
0N/A        }
0N/A
0N/A        public synchronized void addInstanceFilter(ObjectReference instance) {
0N/A            validateMirror(instance);
0N/A            if (isEnabled() || deleted) {
0N/A                throw invalidState();
0N/A            }
0N/A            if (!vm.canUseInstanceFilters()) {
0N/A                throw new UnsupportedOperationException(
0N/A                     "target does not support instance filters");
0N/A            }
0N/A            filters.add(JDWP.EventRequest.Set.Modifier.InstanceOnly
0N/A                                      .create((ObjectReferenceImpl)instance));
0N/A        }
0N/A    }
0N/A
0N/A    class BreakpointRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                     implements BreakpointRequest {
0N/A        private final Location location;
0N/A
0N/A        BreakpointRequestImpl(Location location) {
0N/A            this.location = location;
0N/A            filters.add(0,JDWP.EventRequest.Set.Modifier.LocationOnly
0N/A                                                 .create(location));
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        public Location location() {
0N/A            return location;
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.BREAKPOINT;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "breakpoint request " + location() + state();
0N/A        }
0N/A    }
0N/A
0N/A    class ClassPrepareRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                     implements ClassPrepareRequest {
0N/A        ClassPrepareRequestImpl() {
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.CLASS_PREPARE;
0N/A        }
0N/A
0N/A        public synchronized void addSourceNameFilter(String sourceNamePattern) {
0N/A            if (isEnabled() || deleted) {
0N/A                throw invalidState();
0N/A            }
0N/A            if (!vm.canUseSourceNameFilters()) {
0N/A                throw new UnsupportedOperationException(
0N/A                     "target does not support source name filters");
0N/A            }
0N/A            if (sourceNamePattern == null) {
0N/A                throw new NullPointerException();
0N/A            }
0N/A
0N/A            filters.add(JDWP.EventRequest.Set.Modifier.SourceNameMatch
0N/A                                      .create(sourceNamePattern));
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "class prepare request " + state();
0N/A        }
0N/A    }
0N/A
0N/A    class ClassUnloadRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                     implements ClassUnloadRequest {
0N/A        ClassUnloadRequestImpl() {
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.CLASS_UNLOAD;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "class unload request " + state();
0N/A        }
0N/A    }
0N/A
0N/A    class ExceptionRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                      implements ExceptionRequest {
0N/A        ReferenceType exception = null;
0N/A        boolean caught = true;
0N/A        boolean uncaught = true;
0N/A
0N/A        ExceptionRequestImpl(ReferenceType refType,
0N/A                          boolean notifyCaught, boolean notifyUncaught) {
0N/A            exception = refType;
0N/A            caught = notifyCaught;
0N/A            uncaught = notifyUncaught;
0N/A            {
0N/A                ReferenceTypeImpl exc;
0N/A                if (exception == null) {
0N/A                    exc = new ClassTypeImpl(vm, 0);
0N/A                } else {
0N/A                    exc = (ReferenceTypeImpl)exception;
0N/A                }
0N/A                filters.add(JDWP.EventRequest.Set.Modifier.ExceptionOnly.
0N/A                            create(exc, caught, uncaught));
0N/A            }
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        public ReferenceType exception() {
0N/A            return exception;
0N/A        }
0N/A
0N/A        public boolean notifyCaught() {
0N/A            return caught;
0N/A        }
0N/A
0N/A        public boolean notifyUncaught() {
0N/A            return uncaught;
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.EXCEPTION;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "exception request " + exception() + state();
0N/A        }
0N/A    }
0N/A
0N/A    class MethodEntryRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                      implements MethodEntryRequest {
0N/A        MethodEntryRequestImpl() {
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.METHOD_ENTRY;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "method entry request " + state();
0N/A        }
0N/A    }
0N/A
0N/A    class MethodExitRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                      implements MethodExitRequest {
0N/A        MethodExitRequestImpl() {
0N/A            if (methodExitEventCmd == 0) {
0N/A                /*
0N/A                 * If we can get return values, then we always get them.
0N/A                 * Thus, for JDI MethodExitRequests, we always use the
0N/A                 * same JDWP EventKind.  Here we decide which to use and
0N/A                 * save it so that it will be used for all future
0N/A                 * MethodExitRequests.
0N/A                 *
0N/A                 * This call to canGetMethodReturnValues can't
0N/A                 * be done in the EventRequestManager ctor because that is too early.
0N/A                 */
0N/A                if (vm.canGetMethodReturnValues()) {
0N/A                    methodExitEventCmd = JDWP.EventKind.METHOD_EXIT_WITH_RETURN_VALUE;
0N/A                } else {
0N/A                    methodExitEventCmd = JDWP.EventKind.METHOD_EXIT;
0N/A                }
0N/A            }
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return EventRequestManagerImpl.methodExitEventCmd;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "method exit request " + state();
0N/A        }
0N/A    }
0N/A
0N/A    class MonitorContendedEnterRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                      implements MonitorContendedEnterRequest {
0N/A        MonitorContendedEnterRequestImpl() {
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.MONITOR_CONTENDED_ENTER;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "monitor contended enter request " + state();
0N/A        }
0N/A    }
0N/A
0N/A    class MonitorContendedEnteredRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                      implements MonitorContendedEnteredRequest {
0N/A        MonitorContendedEnteredRequestImpl() {
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.MONITOR_CONTENDED_ENTERED;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "monitor contended entered request " + state();
0N/A        }
0N/A    }
0N/A
0N/A    class MonitorWaitRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                 implements MonitorWaitRequest {
0N/A        MonitorWaitRequestImpl() {
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.MONITOR_WAIT;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "monitor wait request " + state();
0N/A        }
0N/A    }
0N/A
0N/A    class MonitorWaitedRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                 implements MonitorWaitedRequest {
0N/A        MonitorWaitedRequestImpl() {
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.MONITOR_WAITED;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "monitor waited request " + state();
0N/A        }
0N/A    }
0N/A
0N/A    class StepRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                      implements StepRequest {
0N/A        ThreadReferenceImpl thread;
0N/A        int size;
0N/A        int depth;
0N/A
0N/A        StepRequestImpl(ThreadReference thread, int size, int depth) {
0N/A            this.thread = (ThreadReferenceImpl)thread;
0N/A            this.size = size;
0N/A            this.depth = depth;
0N/A
0N/A            /*
0N/A             * Translate size and depth to corresponding JDWP values.
0N/A             */
0N/A            int jdwpSize;
0N/A            switch (size) {
0N/A                case STEP_MIN:
0N/A                    jdwpSize = JDWP.StepSize.MIN;
0N/A                    break;
0N/A                case STEP_LINE:
0N/A                    jdwpSize = JDWP.StepSize.LINE;
0N/A                    break;
0N/A                default:
0N/A                    throw new IllegalArgumentException("Invalid step size");
0N/A            }
0N/A
0N/A            int jdwpDepth;
0N/A            switch (depth) {
0N/A                case STEP_INTO:
0N/A                    jdwpDepth = JDWP.StepDepth.INTO;
0N/A                    break;
0N/A                case STEP_OVER:
0N/A                    jdwpDepth = JDWP.StepDepth.OVER;
0N/A                    break;
0N/A                case STEP_OUT:
0N/A                    jdwpDepth = JDWP.StepDepth.OUT;
0N/A                    break;
0N/A                default:
0N/A                    throw new IllegalArgumentException("Invalid step depth");
0N/A            }
0N/A
0N/A            /*
0N/A             * Make sure this isn't a duplicate
0N/A             */
0N/A            List requests = stepRequests();
0N/A            Iterator iter = requests.iterator();
0N/A            while (iter.hasNext()) {
0N/A                StepRequest request = (StepRequest)iter.next();
0N/A                if ((request != this) &&
0N/A                        request.isEnabled() &&
0N/A                        request.thread().equals(thread)) {
0N/A                    throw new DuplicateRequestException(
0N/A                        "Only one step request allowed per thread");
0N/A                }
0N/A            }
0N/A
0N/A            filters.add(JDWP.EventRequest.Set.Modifier.Step.
0N/A                        create(this.thread, jdwpSize, jdwpDepth));
0N/A            requestList().add(this);
0N/A
0N/A        }
0N/A        public int depth() {
0N/A            return depth;
0N/A        }
0N/A
0N/A        public int size() {
0N/A            return size;
0N/A        }
0N/A
0N/A        public ThreadReference thread() {
0N/A            return thread;
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.SINGLE_STEP;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "step request " + thread() + state();
0N/A        }
0N/A    }
0N/A
0N/A    class ThreadDeathRequestImpl extends ThreadVisibleEventRequestImpl
0N/A                                      implements ThreadDeathRequest {
0N/A        ThreadDeathRequestImpl() {
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.THREAD_DEATH;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "thread death request " + state();
0N/A        }
0N/A    }
0N/A
0N/A    class ThreadStartRequestImpl extends ThreadVisibleEventRequestImpl
0N/A                                      implements ThreadStartRequest {
0N/A        ThreadStartRequestImpl() {
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.THREAD_START;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "thread start request " + state();
0N/A        }
0N/A    }
0N/A
0N/A    abstract class WatchpointRequestImpl extends ClassVisibleEventRequestImpl
0N/A                                      implements WatchpointRequest {
0N/A        final Field field;
0N/A
0N/A        WatchpointRequestImpl(Field field) {
0N/A            this.field = field;
0N/A            filters.add(0,
0N/A                   JDWP.EventRequest.Set.Modifier.FieldOnly.create(
0N/A                    (ReferenceTypeImpl)field.declaringType(),
0N/A                    ((FieldImpl)field).ref()));
0N/A        }
0N/A
0N/A        public Field field() {
0N/A            return field;
0N/A        }
0N/A    }
0N/A
0N/A    class AccessWatchpointRequestImpl extends WatchpointRequestImpl
0N/A                                  implements AccessWatchpointRequest {
0N/A        AccessWatchpointRequestImpl(Field field) {
0N/A            super(field);
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.FIELD_ACCESS;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "access watchpoint request " + field + state();
0N/A        }
0N/A    }
0N/A
0N/A    class ModificationWatchpointRequestImpl extends WatchpointRequestImpl
0N/A                                  implements ModificationWatchpointRequest {
0N/A        ModificationWatchpointRequestImpl(Field field) {
0N/A            super(field);
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.FIELD_MODIFICATION;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "modification watchpoint request " + field + state();
0N/A        }
0N/A    }
0N/A
0N/A    class VMDeathRequestImpl extends EventRequestImpl
0N/A                                        implements VMDeathRequest {
0N/A        VMDeathRequestImpl() {
0N/A            requestList().add(this);
0N/A        }
0N/A
0N/A        int eventCmd() {
0N/A            return JDWP.EventKind.VM_DEATH;
0N/A        }
0N/A
0N/A        public String toString() {
0N/A            return "VM death request " + state();
0N/A        }
0N/A    }
0N/A
0N/A    /**
0N/A     * Constructor.
0N/A     */
0N/A    EventRequestManagerImpl(VirtualMachine vm) {
0N/A        super(vm);
0N/A        java.lang.reflect.Field[] ekinds =
0N/A            JDWP.EventKind.class.getDeclaredFields();
0N/A        int highest = 0;
0N/A        for (int i = 0; i < ekinds.length; ++i) {
0N/A            int val;
0N/A            try {
0N/A                val = ekinds[i].getInt(null);
0N/A            } catch (IllegalAccessException exc) {
0N/A                throw new RuntimeException("Got: " + exc);
0N/A            }
0N/A            if (val > highest) {
0N/A                highest = val;
0N/A            }
0N/A        }
0N/A        requestLists = new List[highest+1];
0N/A        for (int i=0; i <= highest; i++) {
0N/A            requestLists[i] = new ArrayList();
0N/A        }
0N/A    }
0N/A
0N/A    public ClassPrepareRequest createClassPrepareRequest() {
0N/A        return new ClassPrepareRequestImpl();
0N/A    }
0N/A
0N/A    public ClassUnloadRequest createClassUnloadRequest() {
0N/A        return new ClassUnloadRequestImpl();
0N/A    }
0N/A
0N/A    public ExceptionRequest createExceptionRequest(ReferenceType refType,
0N/A                                                   boolean notifyCaught,
0N/A                                                   boolean notifyUncaught) {
0N/A        validateMirrorOrNull(refType);
0N/A        return new ExceptionRequestImpl(refType, notifyCaught, notifyUncaught);
0N/A    }
0N/A
0N/A    public StepRequest createStepRequest(ThreadReference thread,
0N/A                                         int size, int depth) {
0N/A        validateMirror(thread);
0N/A        return new StepRequestImpl(thread, size, depth);
0N/A    }
0N/A
0N/A    public ThreadDeathRequest createThreadDeathRequest() {
0N/A        return new ThreadDeathRequestImpl();
0N/A    }
0N/A
0N/A    public ThreadStartRequest createThreadStartRequest() {
0N/A        return new ThreadStartRequestImpl();
0N/A    }
0N/A
0N/A    public MethodEntryRequest createMethodEntryRequest() {
0N/A        return new MethodEntryRequestImpl();
0N/A    }
0N/A
0N/A    public MethodExitRequest createMethodExitRequest() {
0N/A        return new MethodExitRequestImpl();
0N/A    }
0N/A
0N/A    public MonitorContendedEnterRequest createMonitorContendedEnterRequest() {
0N/A        if (!vm.canRequestMonitorEvents()) {
0N/A            throw new UnsupportedOperationException(
0N/A          "target VM does not support requesting Monitor events");
0N/A        }
0N/A        return new MonitorContendedEnterRequestImpl();
0N/A    }
0N/A
0N/A    public MonitorContendedEnteredRequest createMonitorContendedEnteredRequest() {
0N/A        if (!vm.canRequestMonitorEvents()) {
0N/A            throw new UnsupportedOperationException(
0N/A          "target VM does not support requesting Monitor events");
0N/A        }
0N/A        return new MonitorContendedEnteredRequestImpl();
0N/A    }
0N/A
0N/A    public MonitorWaitRequest createMonitorWaitRequest() {
0N/A        if (!vm.canRequestMonitorEvents()) {
0N/A            throw new UnsupportedOperationException(
0N/A          "target VM does not support requesting Monitor events");
0N/A        }
0N/A        return new MonitorWaitRequestImpl();
0N/A    }
0N/A
0N/A    public MonitorWaitedRequest createMonitorWaitedRequest() {
0N/A        if (!vm.canRequestMonitorEvents()) {
0N/A            throw new UnsupportedOperationException(
0N/A          "target VM does not support requesting Monitor events");
0N/A        }
0N/A        return new MonitorWaitedRequestImpl();
0N/A    }
0N/A
0N/A    public BreakpointRequest createBreakpointRequest(Location location) {
0N/A        validateMirror(location);
0N/A        if (location.codeIndex() == -1) {
0N/A            throw new NativeMethodException("Cannot set breakpoints on native methods");
0N/A        }
0N/A        return new BreakpointRequestImpl(location);
0N/A    }
0N/A
0N/A    public AccessWatchpointRequest
0N/A                              createAccessWatchpointRequest(Field field) {
0N/A        validateMirror(field);
0N/A        if (!vm.canWatchFieldAccess()) {
0N/A            throw new UnsupportedOperationException(
0N/A          "target VM does not support access watchpoints");
0N/A        }
0N/A        return new AccessWatchpointRequestImpl(field);
0N/A    }
0N/A
0N/A    public ModificationWatchpointRequest
0N/A                        createModificationWatchpointRequest(Field field) {
0N/A        validateMirror(field);
0N/A        if (!vm.canWatchFieldModification()) {
0N/A            throw new UnsupportedOperationException(
0N/A          "target VM does not support modification watchpoints");
0N/A        }
0N/A        return new ModificationWatchpointRequestImpl(field);
0N/A    }
0N/A
0N/A    public VMDeathRequest createVMDeathRequest() {
0N/A        if (!vm.canRequestVMDeathEvent()) {
0N/A            throw new UnsupportedOperationException(
0N/A          "target VM does not support requesting VM death events");
0N/A        }
0N/A        return new VMDeathRequestImpl();
0N/A    }
0N/A
0N/A    public void deleteEventRequest(EventRequest eventRequest) {
0N/A        validateMirror(eventRequest);
0N/A        ((EventRequestImpl)eventRequest).delete();
0N/A    }
0N/A
0N/A    public void deleteEventRequests(List<? extends EventRequest> eventRequests) {
0N/A        validateMirrors(eventRequests);
0N/A        // copy the eventRequests to avoid ConcurrentModificationException
0N/A        Iterator iter = (new ArrayList(eventRequests)).iterator();
0N/A        while (iter.hasNext()) {
0N/A            ((EventRequestImpl)iter.next()).delete();
0N/A        }
0N/A    }
0N/A
0N/A    public void deleteAllBreakpoints() {
0N/A        requestList(JDWP.EventKind.BREAKPOINT).clear();
0N/A
0N/A        try {
0N/A            JDWP.EventRequest.ClearAllBreakpoints.process(vm);
0N/A        } catch (JDWPException exc) {
0N/A            throw exc.toJDIException();
0N/A        }
0N/A    }
0N/A
0N/A    public List<StepRequest> stepRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.SINGLE_STEP);
0N/A    }
0N/A
0N/A    public List<ClassPrepareRequest> classPrepareRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.CLASS_PREPARE);
0N/A    }
0N/A
0N/A    public List<ClassUnloadRequest> classUnloadRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.CLASS_UNLOAD);
0N/A    }
0N/A
0N/A    public List<ThreadStartRequest> threadStartRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.THREAD_START);
0N/A    }
0N/A
0N/A    public List<ThreadDeathRequest> threadDeathRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.THREAD_DEATH);
0N/A    }
0N/A
0N/A    public List<ExceptionRequest> exceptionRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.EXCEPTION);
0N/A    }
0N/A
0N/A    public List<BreakpointRequest> breakpointRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.BREAKPOINT);
0N/A    }
0N/A
0N/A    public List<AccessWatchpointRequest> accessWatchpointRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.FIELD_ACCESS);
0N/A    }
0N/A
0N/A    public List<ModificationWatchpointRequest> modificationWatchpointRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.FIELD_MODIFICATION);
0N/A    }
0N/A
0N/A    public List<MethodEntryRequest> methodEntryRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.METHOD_ENTRY);
0N/A    }
0N/A
0N/A    public List<MethodExitRequest> methodExitRequests() {
0N/A        return unmodifiableRequestList(
0N/A                               EventRequestManagerImpl.methodExitEventCmd);
0N/A    }
0N/A
0N/A    public List<MonitorContendedEnterRequest> monitorContendedEnterRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.MONITOR_CONTENDED_ENTER);
0N/A    }
0N/A
0N/A    public List<MonitorContendedEnteredRequest> monitorContendedEnteredRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.MONITOR_CONTENDED_ENTERED);
0N/A    }
0N/A
0N/A    public List<MonitorWaitRequest> monitorWaitRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.MONITOR_WAIT);
0N/A    }
0N/A
0N/A    public List<MonitorWaitedRequest> monitorWaitedRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.MONITOR_WAITED);
0N/A    }
0N/A
0N/A    public List<VMDeathRequest> vmDeathRequests() {
0N/A        return unmodifiableRequestList(JDWP.EventKind.VM_DEATH);
0N/A    }
0N/A
0N/A    List unmodifiableRequestList(int eventCmd) {
0N/A        return Collections.unmodifiableList(requestList(eventCmd));
0N/A    }
0N/A
0N/A    EventRequest request(int eventCmd, int requestId) {
0N/A        List rl = requestList(eventCmd);
0N/A        for (int i = rl.size() - 1; i >= 0; i--) {
0N/A            EventRequestImpl er = (EventRequestImpl)rl.get(i);
0N/A            if (er.id == requestId) {
0N/A                return er;
0N/A            }
0N/A        }
0N/A        return null;
0N/A    }
0N/A
0N/A    List<? extends EventRequest>  requestList(int eventCmd) {
0N/A        return requestLists[eventCmd];
0N/A    }
0N/A
0N/A}