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Bug 240044
New MI commands are being introduced in the new version of GDB to support multi-process debugging. -list-thread-groups -target-attach -target-detach
This commit is contained in:
Marc Khouzam
parent
f440765624
commit
322474d43b
4 changed files with 307 additions and 0 deletions
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/*******************************************************************************
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* Copyright (c) 2008 Ericsson and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Ericsson - Initial API and implementation
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*******************************************************************************/
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package org.eclipse.dd.mi.service.command.commands;
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import java.util.ArrayList;
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import org.eclipse.dd.dsf.datamodel.IDMContext;
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import org.eclipse.dd.mi.service.command.output.MIListThreadGroupsInfo;
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import org.eclipse.dd.mi.service.command.output.MIOutput;
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/**
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* -list-thread-groups [--available] [GROUP]
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*
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* When used without GROUP parameter, this will list top-level
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* thread groups that are been debugged. When used with the GROUP
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* parameter, the children of the specified group will be listed.
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* The children can be either threads, or other groups. At present,
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* GDB will not report both threads and groups as children at the
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* same time, but it may change in future.
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*
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* With the --available option, instead of reporting groups that are
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* been debugged, GDB will report all thread groups available on the
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* target, not only the presently debugged ones. Using the --available
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* option together with explicit GROUP is not likely to work on all targets.
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*
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* The output of the command is:
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*
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* ^done,threads=[<thread>],groups=[<group>]
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*
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* where each thread group is like this:
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*
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* {id="xxx",type="process",pid="yyy",num_children="1"}
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*
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* The id of a thread group should be considered an opaque string.
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*
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*/
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public class MIListThreadGroups extends MICommand<MIListThreadGroupsInfo> {
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public MIListThreadGroups(IDMContext ctx) {
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this(ctx, false);
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}
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public MIListThreadGroups(IDMContext ctx, String threadGroupId) {
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this(ctx, threadGroupId, false);
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}
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public MIListThreadGroups(IDMContext ctx, boolean listAll) {
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this(ctx, "", listAll); //$NON-NLS-1$
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}
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public MIListThreadGroups(IDMContext ctx, String threadGroupId, boolean listAll) {
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super(ctx, "-list-thread-groups"); //$NON-NLS-1$
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final ArrayList<String> arguments = new ArrayList<String>();
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if (listAll) {
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arguments.add("--available"); //$NON-NLS-1$
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}
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if (threadGroupId != null && threadGroupId.length() > 0) {
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arguments.add(threadGroupId);
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}
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if (!arguments.isEmpty()) {
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setParameters(arguments.toArray(new String[0]));
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}
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}
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@Override
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public MIListThreadGroupsInfo getResult(MIOutput out) {
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return new MIListThreadGroupsInfo(out);
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}
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}
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@ -0,0 +1,31 @@
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/*******************************************************************************
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* Copyright (c) 2008 Ericsson and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Ericsson - Initial API and implementation
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*******************************************************************************/
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package org.eclipse.dd.mi.service.command.commands;
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import org.eclipse.dd.dsf.datamodel.IDMContext;
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import org.eclipse.dd.mi.service.command.output.MIInfo;
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/**
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* -target-attach < --pid PID | THREAD_GROUP_ID >
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*
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* This command attaches to the process specified by the PID
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* or THREAD_GROUP_ID
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*/
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public class MITargetAttach extends MICommand<MIInfo> {
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public MITargetAttach(IDMContext ctx, String threadGroupId) {
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super(ctx, "-target-attach", new String[] {threadGroupId}); //$NON-NLS-1$
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}
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public MITargetAttach(IDMContext ctx, int pid) {
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super(ctx, "-target-attach" , new String[] {"--pid " + pid}); //$NON-NLS-1$//$NON-NLS-2$
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}
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}
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@ -0,0 +1,31 @@
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/*******************************************************************************
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* Copyright (c) 2008 Ericsson and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Ericsson - Initial API and implementation
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*******************************************************************************/
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package org.eclipse.dd.mi.service.command.commands;
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import org.eclipse.dd.dsf.datamodel.IDMContext;
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import org.eclipse.dd.mi.service.command.output.MIInfo;
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/**
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* -target-detach < --pid PID | THREAD_GROUP_ID >
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*
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* This command detaches from the process specified by the PID
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* or THREAD_GROUP_ID
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*/
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public class MITargetDetach extends MICommand<MIInfo> {
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public MITargetDetach(IDMContext ctx, String threadGroupId) {
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super(ctx, "-target-detach", new String[] {threadGroupId}); //$NON-NLS-1$
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}
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public MITargetDetach(IDMContext ctx, int pid) {
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super(ctx, "-target-detach" , new String[] {"--pid " + pid}); //$NON-NLS-1$//$NON-NLS-2$
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}
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}
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@ -0,0 +1,163 @@
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/*******************************************************************************
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* Copyright (c) 2008 Ericsson and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Ericsson - Initial API and implementation
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*******************************************************************************/
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package org.eclipse.dd.mi.service.command.output;
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import org.eclipse.cdt.core.IProcessInfo;
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/**
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* GDB/MI thread group parsing.
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*
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* ^done,groups=[{id="p133",type="process",pid="133"},{id="p162",type="process",pid="162"}]
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* or
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* ^done,threads=[{id="1",target-id="Thread 162.32942",details="JUnitProcess_PT (Ready) 1275938023 3473",frame={level="0",addr="0x00000000",func="??",args=[]}}]
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*/
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public class MIListThreadGroupsInfo extends MIInfo {
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public class ThreadGroupInfo implements IProcessInfo {
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int pid;
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String name;
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public ThreadGroupInfo(String name, String pidStr) {
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try {
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pid = Integer.parseInt(pidStr);
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} catch (NumberFormatException e) {
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}
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this.name = name;
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}
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public ThreadGroupInfo(int pid, String name) {
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this.pid = pid;
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this.name = name;
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}
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/**
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* @see org.eclipse.cdt.core.IProcessInfo#getName()
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*/
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public String getName() {
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return name;
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}
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/**
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* @see org.eclipse.cdt.core.IProcessInfo#getPid()
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*/
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public int getPid() {
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return pid;
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}
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}
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public class ThreadId {
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String fId;
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public ThreadId(String id) {
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fId = id;
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}
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public String getId() {
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return fId;
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}
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}
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IProcessInfo[] fProcessList;
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ThreadId[] fThreadList;
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public MIListThreadGroupsInfo(MIOutput out) {
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super(out);
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parse();
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}
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public IProcessInfo[] getGroupList() {
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return fProcessList;
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}
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public ThreadId[] getThreadList() {
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return fThreadList;
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}
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private void parse() {
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if (isDone()) {
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MIOutput out = getMIOutput();
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MIResultRecord rr = out.getMIResultRecord();
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if (rr != null) {
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MIResult[] results = rr.getMIResults();
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for (int i = 0; i < results.length; i++) {
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String var = results[i].getVariable();
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if (var.equals("groups")) { //$NON-NLS-1$
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MIValue val = results[i].getMIValue();
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if (val instanceof MIList) {
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parseGroups((MIList)val);
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}
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} else if (var.equals("threads")) { //$NON-NLS-1$
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MIValue val = results[i].getMIValue();
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if (val instanceof MIList) {
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parseThreads((MIList)val);
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}
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}
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}
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}
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}
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if (fProcessList == null) {
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fProcessList = new ThreadGroupInfo[0];
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}
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if (fThreadList == null) {
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fThreadList = new ThreadId[0];
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}
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}
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private void parseGroups(MIList list) {
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MIValue[] values = list.getMIValues();
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fProcessList = new ThreadGroupInfo[values.length];
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for (int i = 0; i < values.length; i++) {
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MIResult[] results = ((MITuple)values[i]).getMIResults();
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String name = "", pid = "";//$NON-NLS-1$//$NON-NLS-2$
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for (MIResult result : results) {
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String var = result.getVariable();
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if (var.equals("id")) { //$NON-NLS-1$
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MIValue value = result.getMIValue();
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if (value instanceof MIConst) {
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String str = ((MIConst)value).getCString();
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name = str.trim();
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}
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} else if (var.equals("pid")) { //$NON-NLS-1$
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MIValue value = result.getMIValue();
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if (value instanceof MIConst) {
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String str = ((MIConst)value).getCString();
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pid = str.trim();
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}
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}
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}
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fProcessList[i] = new ThreadGroupInfo(name, pid);
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}
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}
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private void parseThreads(MIList list) {
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MIValue[] values = list.getMIValues();
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fThreadList = new ThreadId[values.length];
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for (int i = 0; i < values.length; i++) {
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MIResult[] results = ((MITuple)values[i]).getMIResults();
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for (MIResult result : results) {
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String var = result.getVariable();
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if (var.equals("id")) { //$NON-NLS-1$
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MIValue value = result.getMIValue();
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if (value instanceof MIConst) {
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String str = ((MIConst)value).getCString();
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fThreadList[i] = new ThreadId(str.trim());
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break;
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}
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}
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}
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}
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}
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}
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