core/org.eclipse.statet.rj.server/src/org/eclipse/statet/rj/server/DbgCmdItem.java - statet/org.eclipse.statet-rj - Git at Google

 /*=============================================================================#
  # Copyright (c) 2008, 2020 Stephan Wahlbrink and others.
  #
  # This program and the accompanying materials are made available under the
  # terms of the Eclipse Public License 2.0 which is available at
  # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
  # which is available at https://www.apache.org/licenses/LICENSE-2.0.
  #
  # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
  #
  # Contributors:
  #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
  #=============================================================================*/

 package org.eclipse.statet.rj.server;

 import java.io.Externalizable;
 import java.io.IOException;
 import java.io.ObjectInput;
 import java.io.ObjectOutput;
 import java.util.List;

 import org.eclipse.statet.jcommons.collections.ImCollections;

 import org.eclipse.statet.rj.data.RJIO;
 import org.eclipse.statet.rj.data.RJIOExternalizable;
 import org.eclipse.statet.rj.server.dbg.CallStack;
 import org.eclipse.statet.rj.server.dbg.CtrlReport;
 import org.eclipse.statet.rj.server.dbg.DbgEnablement;
 import org.eclipse.statet.rj.server.dbg.DbgFilterState;
 import org.eclipse.statet.rj.server.dbg.DbgRequest;
 import org.eclipse.statet.rj.server.dbg.ElementTracepointInstallationRequest;
 import org.eclipse.statet.rj.server.dbg.FlagTracepointInstallationRequest;
 import org.eclipse.statet.rj.server.dbg.FrameContext;
 import org.eclipse.statet.rj.server.dbg.FrameContextDetailRequest;
 import org.eclipse.statet.rj.server.dbg.SetDebugReport;
 import org.eclipse.statet.rj.server.dbg.SetDebugRequest;
 import org.eclipse.statet.rj.server.dbg.TracepointEvent;
 import org.eclipse.statet.rj.server.dbg.TracepointStatesUpdate;


 /**
  * Command item for main loop dbg operations (="op")
  */
 public final class DbgCmdItem extends MainCmdItem implements RjsComObject, Externalizable {

 	// -- C2S sync
 	public static final byte OP_LOAD_FRAME_LIST=            0001;
 	public static final byte OP_LOAD_FRAME_CONTEXT=         0002;
 	public static final byte OP_SET_DEBUG=                  0003;
 	public static final byte OP_REQUEST_SUSPEND=            0004;
 //	public static final byte OP_CTRL_SUSPEND=               0010;
 	public static final byte OP_CTRL_RESUME=                0011;
 	public static final byte OP_CTRL_STEP_INTO=             0012;
 	public static final byte OP_CTRL_STEP_OVER=             0014;
 	public static final byte OP_CTRL_STEP_RETURN=           0016;
 	public static final byte OP_INSTALL_TP_FLAGS=           0020;
 	public static final byte OP_INSTALL_TP_POSITIONS=       0021;

 	// -- C2S sync + async
 	public static final byte OP_SET_ENABLEMENT=             0031;
 	public static final byte OP_RESET_FILTER_STATE=         0032;
 	public static final byte OP_UPDATE_TP_STATES=           0034;

 	// --
 	public static final byte OP_C2S_S2C=                    0040;

 	// -- S2C sync
 	public static final byte OP_NOTIFY_TP_EVENTS=           0x41;


 	private static final int OV_WITHDATA=                   0x01000000;
 	private static final int OV_WITHSTATUS=                 0x08000000;


 	private static Object readRequestData(final RJIO io, final byte type) throws IOException {
 		switch (type) {
 		case OP_LOAD_FRAME_LIST:
 			return null;
 		case OP_LOAD_FRAME_CONTEXT:
 			return new FrameContextDetailRequest(io);
 		case OP_SET_DEBUG:
 			return new SetDebugRequest(io);
 		case OP_REQUEST_SUSPEND:
 			return null;
 		case OP_CTRL_RESUME:
 			return new DbgRequest.Resume(io);
 		case OP_CTRL_STEP_INTO:
 			return new DbgRequest.StepInto(io);
 		case OP_CTRL_STEP_OVER:
 			return new DbgRequest.StepOver(io);
 		case OP_CTRL_STEP_RETURN:
 			return new DbgRequest.StepReturn(io);
 		case OP_SET_ENABLEMENT:
 			return new DbgEnablement(io);
 		case OP_RESET_FILTER_STATE:
 			return new DbgFilterState(io);
 		case OP_INSTALL_TP_FLAGS:
 			return new FlagTracepointInstallationRequest(io);
 		case OP_INSTALL_TP_POSITIONS:
 			return new ElementTracepointInstallationRequest(io);
 		case OP_UPDATE_TP_STATES:
 			return new TracepointStatesUpdate(io);
 		case OP_NOTIFY_TP_EVENTS:
 			return readTracepointEvents(io);
 		default:
 			break;
 		}
 		throw new IOException("Unsupported type= " + type); //$NON-NLS-1$
 	}

 	private static Object readAnswerData(final RJIO io, final byte type) throws IOException {
 		switch (type) {
 		case OP_LOAD_FRAME_LIST:
 			return new CallStack(io);
 		case OP_LOAD_FRAME_CONTEXT:
 			return new FrameContext(io);
 		case OP_SET_DEBUG:
 			return new SetDebugReport(io);
 		case OP_REQUEST_SUSPEND:
 			break; // status
 		case OP_CTRL_RESUME:
 		case OP_CTRL_STEP_INTO:
 		case OP_CTRL_STEP_OVER:
 		case OP_CTRL_STEP_RETURN:
 			return new CtrlReport(io);
 		case OP_SET_ENABLEMENT:
 		case OP_RESET_FILTER_STATE:
 			break; // status
 		case OP_INSTALL_TP_FLAGS:
 		case OP_INSTALL_TP_POSITIONS:
 		case OP_UPDATE_TP_STATES:
 			break; // status
 		default:
 			break;
 		}
 		throw new IOException("Unsupported type= " + type); //$NON-NLS-1$
 	}

 	private static void writeList(final List<RJIOExternalizable> list, final RJIO io) throws IOException {
 		final int l= list.size();
 		io.writeInt(l);
 		for (int i= 0; i < l; i++) {
 			list.get(i).writeExternal(io);
 		}
 	}

 	private static List<TracepointEvent> readTracepointEvents(final RJIO io) throws IOException {
 		final TracepointEvent[] array= new TracepointEvent[io.readInt()];
 		for (int i= 0; i < array.length; i++) {
 			array[i]= new TracepointEvent(io);
 		}
 		return ImCollections.newList(array);
 	}


 	private byte op;

 	private Object data;

 	private RjsStatus status;


 	/**
 	 * Constructor for new commands
 	 */
 	public DbgCmdItem(final byte op, final int options,
 			final RJIOExternalizable data) {
 		this.op= op;
 		this.options= (options & OM_CUSTOM);
 		if (data != null) {
 			this.options |= OV_WITHDATA;
 		}
 		if (op < OP_NOTIFY_TP_EVENTS) {
 			this.options |= OV_WAITFORCLIENT;
 		}
 		this.data= data;
 	}

 	/**
 	 * Constructor for new commands
 	 */
 	public DbgCmdItem(final byte op, final int options,
 			final List<? extends RJIOExternalizable> data) {
 		assert (op == OP_NOTIFY_TP_EVENTS);
 		this.op= op;
 		this.options= (options & OM_CUSTOM);
 		if (data != null) {
 			this.options |= OV_WITHDATA;
 		}
 		if (op < OP_NOTIFY_TP_EVENTS) {
 			this.options |= OV_WAITFORCLIENT;
 		}
 		this.data= data;
 	}

 	/**
 	 * Constructor for automatic deserialization
 	 */
 	public DbgCmdItem() {
 	}

 	/**
 	 * Constructor for deserialization
 	 */
 	public DbgCmdItem(final RJIO io) throws IOException {
 		readExternal(io);
 	}

 	@Override
 	public void writeExternal(final RJIO io) throws IOException {
 		io.writeInt(this.options);
 		io.writeByte(this.op);
 		if ((this.options & OV_WITHSTATUS) != 0) {
 			this.status.writeExternal(io);
 		}
 		else if ((this.options & OV_WITHDATA) != 0) {
 			if (this.op == OP_NOTIFY_TP_EVENTS) {
 				writeList((List<RJIOExternalizable>) this.data, io);
 			}
 			else {
 				((RJIOExternalizable) this.data).writeExternal(io);
 			}
 		}
 	}

 	@Override
 	public void writeExternal(final ObjectOutput out) throws IOException {
 		final RJIO io= RJIO.get(out);
 		final int check= io.writeCheck1();
 		writeExternal(io);
 		io.writeCheck2(check);
 		io.disconnect(out);
 	}

 	private void readExternal(final RJIO io) throws IOException {
 		this.options= io.readInt();
 		this.op= io.readByte();
 		if ((this.options & OV_WITHSTATUS) != 0) {
 			this.status= new RjsStatus(io);
 		}
 		else if ((this.options & OV_WITHDATA) != 0) {
 			this.data= ((this.options & OV_ANSWER) == 0) ?
 					readRequestData(io, this.op) :
 					readAnswerData(io, this.op);
 		}
 	}

 	@Override
 	public void readExternal(final ObjectInput in) throws IOException {
 		final RJIO io= RJIO.get(in);
 		final int check= io.readCheck1();
 		readExternal(io);
 		io.readCheck2(check);
 		io.disconnect(in);
 	}


 	@Override
 	public int getComType() {
 		return T_DBG;
 	}

 	@Override
 	public byte getCmdType() {
 		return T_DBG_ITEM;
 	}


 	@Override
 	public void setAnswer(final RjsStatus status) {
 		assert (status != null);
 		if (status == RjsStatus.OK_STATUS) {
 			this.options= (this.options & OM_CLEARFORANSWER) | OV_ANSWER;
 			this.status= null;
 			this.data= null;
 		}
 		else {
 			this.options= (this.options & OM_CLEARFORANSWER) | (OV_ANSWER | OV_WITHSTATUS);
 			this.status= status;
 			this.data= null;
 		}
 	}

 	public void setAnswer(final RJIOExternalizable data) {
 		this.options= (this.options & OM_CLEARFORANSWER) | OV_ANSWER;
 		if (data != null) {
 			this.options |= OV_WITHDATA;
 		}
 		this.status= null;
 		this.data= data;
 	}


 	@Override
 	public byte getOp() {
 		return this.op;
 	}

 	@Override
 	public boolean isOK() {
 		return (this.status == null || this.status.getSeverity() == RjsStatus.OK);
 	}

 	@Override
 	public RjsStatus getStatus() {
 		return this.status;
 	}

 	@Override
 	public String getDataText() {
 		return null;
 	}

 	public Object getData() {
 		return this.data;
 	}


 	@Override
 	public boolean testEquals(final MainCmdItem other) {
 		if (!(other instanceof DbgCmdItem)) {
 			return false;
 		}
 		final DbgCmdItem otherItem= (DbgCmdItem) other;
 		if (getOp() != otherItem.getOp()) {
 			return false;
 		}
 		if (this.options != otherItem.options) {
 			return false;
 		}
 		return true;
 	}

 	@Override
 	public String toString() {
 		final StringBuffer sb= new StringBuffer(100);
 		sb.append("DbgCmdItem "); //$NON-NLS-1$
 		switch (this.op) {
 		case OP_LOAD_FRAME_LIST:
 			sb.append("LOAD_FRAME_LIST"); //$NON-NLS-1$
 			break;
 		case OP_LOAD_FRAME_CONTEXT:
 			sb.append("LOAD_FRAME_CONTEXT"); //$NON-NLS-1$
 			break;
 		case OP_SET_DEBUG:
 			sb.append("SET_DEBUG"); //$NON-NLS-1$
 			break;
 		case OP_REQUEST_SUSPEND:
 			sb.append("REQUEST_SUSPEND"); //$NON-NLS-1$
 			break;
 		case OP_CTRL_RESUME:
 			sb.append("CTRL_RESUME"); //$NON-NLS-1$
 			break;
 		case OP_CTRL_STEP_INTO:
 			sb.append("CTRL_STEP_INTO"); //$NON-NLS-1$
 			break;
 		case OP_CTRL_STEP_OVER:
 			sb.append("CTRL_STEP_OVER"); //$NON-NLS-1$
 			break;
 		case OP_CTRL_STEP_RETURN:
 			sb.append("CTRL_STEP_RETURN"); //$NON-NLS-1$
 			break;
 		case OP_INSTALL_TP_FLAGS:
 			sb.append("INSTALL_TP_FLAGS"); //$NON-NLS-1$
 			break;
 		case OP_INSTALL_TP_POSITIONS:
 			sb.append("INSTALL_TP_POSITIONS"); //$NON-NLS-1$
 			break;
 		case OP_SET_ENABLEMENT:
 			sb.append("SET_ENABLEMENT"); //$NON-NLS-1$
 			break;
 		case OP_RESET_FILTER_STATE:
 			sb.append("RESET_FILTER_STATE"); //$NON-NLS-1$
 			break;
 		case OP_UPDATE_TP_STATES:
 			sb.append("UPDATE_TP_STATES"); //$NON-NLS-1$
 			break;
 		case OP_NOTIFY_TP_EVENTS:
 			sb.append("NOTIFY_TP_EVENT"); //$NON-NLS-1$
 			break;
 		default:
 			sb.append(this.op);
 			break;
 		}
 		sb.append("\n\t" + "options= 0x").append(Integer.toHexString(this.options)); //$NON-NLS-1$ //$NON-NLS-2$
 		if ((this.options & OV_WITHDATA) != 0) {
 			sb.append("\n<DATA>\n"); //$NON-NLS-1$
 			sb.append(this.data);
 			sb.append("\n</DATA>"); //$NON-NLS-1$
 		}
 		return sb.toString();
 	}

 }
	/*=============================================================================#
	# Copyright (c) 2008, 2020 Stephan Wahlbrink and others.
	#
	# This program and the accompanying materials are made available under the
	# terms of the Eclipse Public License 2.0 which is available at
	# https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
	# which is available at https://www.apache.org/licenses/LICENSE-2.0.
	#
	# SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
	#
	# Contributors:
	# Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
	#=============================================================================*/

	package org.eclipse.statet.rj.server;

	import java.io.Externalizable;
	import java.io.IOException;
	import java.io.ObjectInput;
	import java.io.ObjectOutput;
	import java.util.List;

	import org.eclipse.statet.jcommons.collections.ImCollections;

	import org.eclipse.statet.rj.data.RJIO;
	import org.eclipse.statet.rj.data.RJIOExternalizable;
	import org.eclipse.statet.rj.server.dbg.CallStack;
	import org.eclipse.statet.rj.server.dbg.CtrlReport;
	import org.eclipse.statet.rj.server.dbg.DbgEnablement;
	import org.eclipse.statet.rj.server.dbg.DbgFilterState;
	import org.eclipse.statet.rj.server.dbg.DbgRequest;
	import org.eclipse.statet.rj.server.dbg.ElementTracepointInstallationRequest;
	import org.eclipse.statet.rj.server.dbg.FlagTracepointInstallationRequest;
	import org.eclipse.statet.rj.server.dbg.FrameContext;
	import org.eclipse.statet.rj.server.dbg.FrameContextDetailRequest;
	import org.eclipse.statet.rj.server.dbg.SetDebugReport;
	import org.eclipse.statet.rj.server.dbg.SetDebugRequest;
	import org.eclipse.statet.rj.server.dbg.TracepointEvent;
	import org.eclipse.statet.rj.server.dbg.TracepointStatesUpdate;


	/**
	* Command item for main loop dbg operations (="op")
	*/
	public final class DbgCmdItem extends MainCmdItem implements RjsComObject, Externalizable {

	// -- C2S sync
	public static final byte OP_LOAD_FRAME_LIST= 0001;
	public static final byte OP_LOAD_FRAME_CONTEXT= 0002;
	public static final byte OP_SET_DEBUG= 0003;
	public static final byte OP_REQUEST_SUSPEND= 0004;
	// public static final byte OP_CTRL_SUSPEND= 0010;
	public static final byte OP_CTRL_RESUME= 0011;
	public static final byte OP_CTRL_STEP_INTO= 0012;
	public static final byte OP_CTRL_STEP_OVER= 0014;
	public static final byte OP_CTRL_STEP_RETURN= 0016;
	public static final byte OP_INSTALL_TP_FLAGS= 0020;
	public static final byte OP_INSTALL_TP_POSITIONS= 0021;

	// -- C2S sync + async
	public static final byte OP_SET_ENABLEMENT= 0031;
	public static final byte OP_RESET_FILTER_STATE= 0032;
	public static final byte OP_UPDATE_TP_STATES= 0034;

	// --
	public static final byte OP_C2S_S2C= 0040;

	// -- S2C sync
	public static final byte OP_NOTIFY_TP_EVENTS= 0x41;


	private static final int OV_WITHDATA= 0x01000000;
	private static final int OV_WITHSTATUS= 0x08000000;


	private static Object readRequestData(final RJIO io, final byte type) throws IOException {
	switch (type) {
	case OP_LOAD_FRAME_LIST:
	return null;
	case OP_LOAD_FRAME_CONTEXT:
	return new FrameContextDetailRequest(io);
	case OP_SET_DEBUG:
	return new SetDebugRequest(io);
	case OP_REQUEST_SUSPEND:
	return null;
	case OP_CTRL_RESUME:
	return new DbgRequest.Resume(io);
	case OP_CTRL_STEP_INTO:
	return new DbgRequest.StepInto(io);
	case OP_CTRL_STEP_OVER:
	return new DbgRequest.StepOver(io);
	case OP_CTRL_STEP_RETURN:
	return new DbgRequest.StepReturn(io);
	case OP_SET_ENABLEMENT:
	return new DbgEnablement(io);
	case OP_RESET_FILTER_STATE:
	return new DbgFilterState(io);
	case OP_INSTALL_TP_FLAGS:
	return new FlagTracepointInstallationRequest(io);
	case OP_INSTALL_TP_POSITIONS:
	return new ElementTracepointInstallationRequest(io);
	case OP_UPDATE_TP_STATES:
	return new TracepointStatesUpdate(io);
	case OP_NOTIFY_TP_EVENTS:
	return readTracepointEvents(io);
	default:
	break;
	}
	throw new IOException("Unsupported type= " + type); //$NON-NLS-1$
	}

	private static Object readAnswerData(final RJIO io, final byte type) throws IOException {
	switch (type) {
	case OP_LOAD_FRAME_LIST:
	return new CallStack(io);
	case OP_LOAD_FRAME_CONTEXT:
	return new FrameContext(io);
	case OP_SET_DEBUG:
	return new SetDebugReport(io);
	case OP_REQUEST_SUSPEND:
	break; // status
	case OP_CTRL_RESUME:
	case OP_CTRL_STEP_INTO:
	case OP_CTRL_STEP_OVER:
	case OP_CTRL_STEP_RETURN:
	return new CtrlReport(io);
	case OP_SET_ENABLEMENT:
	case OP_RESET_FILTER_STATE:
	break; // status
	case OP_INSTALL_TP_FLAGS:
	case OP_INSTALL_TP_POSITIONS:
	case OP_UPDATE_TP_STATES:
	break; // status
	default:
	break;
	}
	throw new IOException("Unsupported type= " + type); //$NON-NLS-1$
	}

	private static void writeList(final List<RJIOExternalizable> list, final RJIO io) throws IOException {
	final int l= list.size();
	io.writeInt(l);
	for (int i= 0; i < l; i++) {
	list.get(i).writeExternal(io);
	}
	}

	private static List<TracepointEvent> readTracepointEvents(final RJIO io) throws IOException {
	final TracepointEvent[] array= new TracepointEvent[io.readInt()];
	for (int i= 0; i < array.length; i++) {
	array[i]= new TracepointEvent(io);
	}
	return ImCollections.newList(array);
	}


	private byte op;

	private Object data;

	private RjsStatus status;


	/**
	* Constructor for new commands
	*/
	public DbgCmdItem(final byte op, final int options,
	final RJIOExternalizable data) {
	this.op= op;
	this.options= (options & OM_CUSTOM);
	if (data != null) {
	this.options \|= OV_WITHDATA;
	}
	if (op < OP_NOTIFY_TP_EVENTS) {
	this.options \|= OV_WAITFORCLIENT;
	}
	this.data= data;
	}

	/**
	* Constructor for new commands
	*/
	public DbgCmdItem(final byte op, final int options,
	final List<? extends RJIOExternalizable> data) {
	assert (op == OP_NOTIFY_TP_EVENTS);
	this.op= op;
	this.options= (options & OM_CUSTOM);
	if (data != null) {
	this.options \|= OV_WITHDATA;
	}
	if (op < OP_NOTIFY_TP_EVENTS) {
	this.options \|= OV_WAITFORCLIENT;
	}
	this.data= data;
	}

	/**
	* Constructor for automatic deserialization
	*/
	public DbgCmdItem() {
	}

	/**
	* Constructor for deserialization
	*/
	public DbgCmdItem(final RJIO io) throws IOException {
	readExternal(io);
	}

	@Override
	public void writeExternal(final RJIO io) throws IOException {
	io.writeInt(this.options);
	io.writeByte(this.op);
	if ((this.options & OV_WITHSTATUS) != 0) {
	this.status.writeExternal(io);
	}
	else if ((this.options & OV_WITHDATA) != 0) {
	if (this.op == OP_NOTIFY_TP_EVENTS) {
	writeList((List<RJIOExternalizable>) this.data, io);
	}
	else {
	((RJIOExternalizable) this.data).writeExternal(io);
	}
	}
	}

	@Override
	public void writeExternal(final ObjectOutput out) throws IOException {
	final RJIO io= RJIO.get(out);
	final int check= io.writeCheck1();
	writeExternal(io);
	io.writeCheck2(check);
	io.disconnect(out);
	}

	private void readExternal(final RJIO io) throws IOException {
	this.options= io.readInt();
	this.op= io.readByte();
	if ((this.options & OV_WITHSTATUS) != 0) {
	this.status= new RjsStatus(io);
	}
	else if ((this.options & OV_WITHDATA) != 0) {
	this.data= ((this.options & OV_ANSWER) == 0) ?
	readRequestData(io, this.op) :
	readAnswerData(io, this.op);
	}
	}

	@Override
	public void readExternal(final ObjectInput in) throws IOException {
	final RJIO io= RJIO.get(in);
	final int check= io.readCheck1();
	readExternal(io);
	io.readCheck2(check);
	io.disconnect(in);
	}


	@Override
	public int getComType() {
	return T_DBG;
	}

	@Override
	public byte getCmdType() {
	return T_DBG_ITEM;
	}


	@Override
	public void setAnswer(final RjsStatus status) {
	assert (status != null);
	if (status == RjsStatus.OK_STATUS) {
	this.options= (this.options & OM_CLEARFORANSWER) \| OV_ANSWER;
	this.status= null;
	this.data= null;
	}
	else {
	this.options= (this.options & OM_CLEARFORANSWER) \| (OV_ANSWER \| OV_WITHSTATUS);
	this.status= status;
	this.data= null;
	}
	}

	public void setAnswer(final RJIOExternalizable data) {
	this.options= (this.options & OM_CLEARFORANSWER) \| OV_ANSWER;
	if (data != null) {
	this.options \|= OV_WITHDATA;
	}
	this.status= null;
	this.data= data;
	}


	@Override
	public byte getOp() {
	return this.op;
	}

	@Override
	public boolean isOK() {
	return (this.status == null \|\| this.status.getSeverity() == RjsStatus.OK);
	}

	@Override
	public RjsStatus getStatus() {
	return this.status;
	}

	@Override
	public String getDataText() {
	return null;
	}

	public Object getData() {
	return this.data;
	}


	@Override
	public boolean testEquals(final MainCmdItem other) {
	if (!(other instanceof DbgCmdItem)) {
	return false;
	}
	final DbgCmdItem otherItem= (DbgCmdItem) other;
	if (getOp() != otherItem.getOp()) {
	return false;
	}
	if (this.options != otherItem.options) {
	return false;
	}
	return true;
	}

	@Override
	public String toString() {
	final StringBuffer sb= new StringBuffer(100);
	sb.append("DbgCmdItem "); //$NON-NLS-1$
	switch (this.op) {
	case OP_LOAD_FRAME_LIST:
	sb.append("LOAD_FRAME_LIST"); //$NON-NLS-1$
	break;
	case OP_LOAD_FRAME_CONTEXT:
	sb.append("LOAD_FRAME_CONTEXT"); //$NON-NLS-1$
	break;
	case OP_SET_DEBUG:
	sb.append("SET_DEBUG"); //$NON-NLS-1$
	break;
	case OP_REQUEST_SUSPEND:
	sb.append("REQUEST_SUSPEND"); //$NON-NLS-1$
	break;
	case OP_CTRL_RESUME:
	sb.append("CTRL_RESUME"); //$NON-NLS-1$
	break;
	case OP_CTRL_STEP_INTO:
	sb.append("CTRL_STEP_INTO"); //$NON-NLS-1$
	break;
	case OP_CTRL_STEP_OVER:
	sb.append("CTRL_STEP_OVER"); //$NON-NLS-1$
	break;
	case OP_CTRL_STEP_RETURN:
	sb.append("CTRL_STEP_RETURN"); //$NON-NLS-1$
	break;
	case OP_INSTALL_TP_FLAGS:
	sb.append("INSTALL_TP_FLAGS"); //$NON-NLS-1$
	break;
	case OP_INSTALL_TP_POSITIONS:
	sb.append("INSTALL_TP_POSITIONS"); //$NON-NLS-1$
	break;
	case OP_SET_ENABLEMENT:
	sb.append("SET_ENABLEMENT"); //$NON-NLS-1$
	break;
	case OP_RESET_FILTER_STATE:
	sb.append("RESET_FILTER_STATE"); //$NON-NLS-1$
	break;
	case OP_UPDATE_TP_STATES:
	sb.append("UPDATE_TP_STATES"); //$NON-NLS-1$
	break;
	case OP_NOTIFY_TP_EVENTS:
	sb.append("NOTIFY_TP_EVENT"); //$NON-NLS-1$
	break;
	default:
	sb.append(this.op);
	break;
	}
	sb.append("\n\t" + "options= 0x").append(Integer.toHexString(this.options)); //$NON-NLS-1$ //$NON-NLS-2$
	if ((this.options & OV_WITHDATA) != 0) {
	sb.append("\n<DATA>\n"); //$NON-NLS-1$
	sb.append(this.data);
	sb.append("\n</DATA>"); //$NON-NLS-1$
	}
	return sb.toString();
	}

	}