* Ericsson               - Added support for Mac OS

import org.eclipse.cdt.dsf.gdb.service.macos.MacOSGdbDebugServicesFactory;

		if (version.contains(LaunchUtils.MACOS_GDB_PREFIX)) {

			// Mac OS's GDB does not support Non-Stop

			return false;

		}

 * Ericsson   - Added support for Mac OS

	/**

	 * A prefix that we use to indicate that a GDB version is for MAC OS

	 * @since 2.1

	 */

	public static final String MACOS_GDB_PREFIX = "APPLE"; //$NON-NLS-1$

        // Look for the case of Apple's GDB, since the version must be handled differently

        // The format is:

        // GNU gdb 6.3.50-20050815 (Apple version gdb-696) (Sat Oct 20 18:20:28 GMT 2007)

        // GNU gdb 6.3.50-20050815 (Apple version gdb-966) (Tue Mar 10 02:43:13 UTC 2009)

        // GNU gdb 6.3.50-20050815 (Apple version gdb-1346) (Fri Sep 18 20:40:51 UTC 2009)

        // It seems the version that changes is the "Apple version" but we still use both. 

		// The Mac OS prefix and version are appended to the normal version so the 

		// returned string has this format: 6.3.50APPLE1346. The normal version and the 

		// Apple version are extracted later and passed to the MacOS services factory.

        if (versionOutput.toLowerCase().indexOf("apple") != -1) {  //$NON-NLS-1$

        	// Add a prefix to indicate we are dealing with an Apple GDB

        	version += MACOS_GDB_PREFIX;

    		Pattern aPattern = Pattern.compile(" \\(Apple version gdb-(\\d*)\\)",  Pattern.MULTILINE); //$NON-NLS-1$

    		Matcher aMatcher = aPattern.matcher(versionOutput);

    		if (aMatcher.find()) {

    			version += aMatcher.group(1);

    		}

        }

/*******************************************************************************

 * Copyright (c) 2010 Wind River Systems and others.

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 * 

 * Contributors:

 *     Wind River Systems - initial API and implementation

 *******************************************************************************/

package org.eclipse.cdt.dsf.gdb.service.macos;

import org.eclipse.cdt.dsf.mi.service.MIExpressions;

import org.eclipse.cdt.dsf.mi.service.MIVariableManager;

import org.eclipse.cdt.dsf.service.DsfSession;

/**

 * Specific ExpressionService for MacOS

 * 

 * @since 2.1

 */

public class MacOSGDBExpressions extends MIExpressions {

    public MacOSGDBExpressions(DsfSession session) {

        super(session);

    }

    @Override

    protected MIVariableManager createMIVariableManager() {

        return new MacOSGDBVariableManager(getSession(), getServicesTracker());

    }

}

/*******************************************************************************

 * Copyright (c) 2010 Wind River Systems and others.

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 * 

 * Contributors:

 *     Wind River Systems - initial API and implementation

 *******************************************************************************/

package org.eclipse.cdt.dsf.gdb.service.macos;

import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;

import org.eclipse.cdt.dsf.mi.service.MIVariableManager;

import org.eclipse.cdt.dsf.mi.service.command.commands.macos.MacOSMIVarUpdate;

import org.eclipse.cdt.dsf.mi.service.command.output.MIVarChange;

import org.eclipse.cdt.dsf.mi.service.command.output.macos.MacOSMIVarUpdateInfo;

import org.eclipse.cdt.dsf.service.DsfServicesTracker;

import org.eclipse.cdt.dsf.service.DsfSession;

/**

 * Specific VariableManager for MacOS

 *   

 * @since 2.1

 */

public class MacOSGDBVariableManager extends MIVariableManager {

    public MacOSGDBVariableManager(DsfSession session, DsfServicesTracker tracker) {

        super(session, tracker);

    }

    @Override

    protected MIRootVariableObject createRootVariableObject(VariableObjectId id) {

    	return new MacOSGDBRootVariableObject(id);

    }

	private class MacOSGDBRootVariableObject extends MIRootVariableObject {

		public MacOSGDBRootVariableObject(VariableObjectId id) {

			super(id);

		}

		@Override

		public void update(final DataRequestMonitor<Boolean> rm) {

			if (isOutOfScope()) {

		    	rm.setData(false);

				rm.done();

			} else if (currentState != STATE_READY) {

				// Object is not fully created or is being updated

				// so add RequestMonitor to pending queue

				updatesPending.add(rm);

			} else if (getOutOfDate() == false) {

				rm.setData(false);

				rm.done();

			} else {

				// Object needs to be updated in the back-end

				currentState = STATE_UPDATING;

				// In GDB, var-update will only report a change if -var-evaluate-expression has

				// changed -- in the current format--.  This means that situations like

				// double z = 1.2;

				// z = 1.4;

				// Will not report a change if the format is anything else than natural.

				// This is because 1.2 and 1.4 are both printed as 1, 0x1, etc

				// Since we cache the values of every format, we must know if -any- format has

				// changed, not just the current one.

				// To solve this, we always do an update in the natural format; I am not aware

				// of any case where the natural format would stay the same, but another format

				// would change.  However, since a var-update update all children as well,

			    // we must make sure these children are also in the natural format

				// The simplest way to do this is that whenever we change the format

				// of a variable object, we immediately set it back to natural with a second

				// var-set-format command.  This is done in the getValue() method

				getCommandControl().queueCommand(

						new MacOSMIVarUpdate(getRootToUpdate().getControlDMContext(), getGdbName()),

						new DataRequestMonitor<MacOSMIVarUpdateInfo>(getSession().getExecutor(), rm) {

							@Override

							protected void handleCompleted() {

								currentState = STATE_READY;

								if (isSuccess()) {

									setOutOfDate(false);

									MIVarChange[] changes = getData().getMIVarChanges();

									if (changes.length > 0 && changes[0].isInScope() == false) {

										// Object is out-of-scope

										outOfScope = true;

										// We can delete this root in GDB right away.  This is safe, even

									 	// if the root has children, because they are also out-of-scope.

										// We -must- also remove this entry from our LRU.  If we don't

										// we can end-up with a race condition that create this object

										// twice, or have an infinite loop while never re-creating the object.

										// The can happen if we update a child first then we request 

										// the root later,

										getLRUCache().remove(getInternalId());

										rm.setData(true);

										rm.done();

									} else {

										// The root object is now up-to-date, we must parse the changes, if any.

										processChanges(changes);

										// We only mark this root as updated in our list if it is in-scope.

										// For out-of-scope object, we don't ever need to re-update them so

										// we don't need to add them to this list.

										rootVariableUpdated(MacOSGDBRootVariableObject.this);

										rm.setData(false);

										rm.done();

									}

									while (updatesPending.size() > 0) {

										DataRequestMonitor<Boolean> pendingRm = updatesPending.poll();

										pendingRm.setData(false);

										pendingRm.done();

									}

								} else {

									// We were not able to update for some reason

									rm.setData(false);

									rm.done();

									while (updatesPending.size() > 0) {

										DataRequestMonitor<Boolean> pendingRm = updatesPending.poll();

										pendingRm.setStatus(getStatus());

										pendingRm.done();

									}

								}

							}

						});

		    }

		}

	}

}

/*******************************************************************************

 * Copyright (c) 2010 Ericsson and others.

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 * 

 * Contributors:

 *     Marc-Andre Laperle - Added support for Mac OS (separate factory)

 *     Ericsson                  - Added a field for the specific Mac OS version scheme

 *******************************************************************************/

package org.eclipse.cdt.dsf.gdb.service.macos;

import org.eclipse.cdt.dsf.debug.service.IExpressions;

import org.eclipse.cdt.dsf.gdb.service.GdbDebugServicesFactory;

import org.eclipse.cdt.dsf.service.DsfSession;

public class MacOSGdbDebugServicesFactory extends GdbDebugServicesFactory {

	// Mac OS has it's own version of GDB, which does not follow the standard GDB version

	// We have to be careful not to compare that specific version number scheme with the 

	// FSF GDB version scheme.

	// Use this variable when needing to differentiate between different Mac OS GDBs

	private final String fAppleVersion;

	public MacOSGdbDebugServicesFactory(String version, String appleVersion) {

		super(version);

		fAppleVersion = appleVersion;

	}

	@Override

	protected IExpressions createExpressionService(DsfSession session) {

		return new MacOSGDBExpressions(session);

	}

}

	 * Creates the MI variable manager to be used by this expression service.

	 * Overriding classes may override to provide a custom services tracker. 

	 * 

	 * @since 2.1

	 */

	protected MIVariableManager createMIVariableManager() {

	    return new MIVariableManager(getSession(), getServicesTracker());

	}

	/**

	 * 

	 * @since 2.1

		public VariableObjectId() {

		}

    /**

 	 * Method to allow to override the VariableObjectId creation.

	 *

     * @since 2.1

     */

	protected VariableObjectId createVariableObjectId() {

	    return new VariableObjectId();

	}

    /**

     * @since 2.1

     */

	protected DsfSession getSession() {

	    return fSession;

	}

	/**

     * @since 2.1

     */

	protected ICommandControl getCommandControl() {

	    return fCommandControl;

	}

    /**

     * @since 2.1

     */

	protected void rootVariableUpdated(MIRootVariableObject rootObj) {

	    updatedRootList.add(rootObj);

	}

    /**

     * @since 2.1

     */

	protected Map<VariableObjectId, MIVariableObject> getLRUCache() {

		return lruVariableList;

	}

/*******************************************************************************

 * Copyright (c) 2010 QNX Software Systems and others.

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *     QNX Software Systems - Initial API and implementation

 *     Wind River Systems   - Modified for new DSF Reference Implementation

 *     Ericsson				- Modified for handling of frame contexts

 *******************************************************************************/

package org.eclipse.cdt.dsf.mi.service.command.commands.macos;

import org.eclipse.cdt.dsf.debug.service.command.ICommandControlService.ICommandControlDMContext;

import org.eclipse.cdt.dsf.mi.service.command.commands.MICommand;

import org.eclipse.cdt.dsf.mi.service.command.output.MIOutput;

import org.eclipse.cdt.dsf.mi.service.command.output.macos.MacOSMIVarUpdateInfo;

/**

 * 

 *     -var-update [print-values] {NAME | "*"}

 *

 *  Update the value of the variable object NAME by evaluating its

 *  expression after fetching all the new values from memory or registers.

 *  A `*' causes all existing variable objects to be updated.

 *  If print-values has a value for of 0 or --no-values, print only the names of the variables; 

 *  if print-values is 1 or --all-values, also print their values; 

 *  if it is 2 or --simple-values print the name and value for simple data types and just 

 *  the name for arrays, structures and unions. 

 *  

 *  It seems that for MacOS, we must use the full string for print-values, such as

 *  --all-values.

 * 

 * @since 2.1

 */

public class MacOSMIVarUpdate extends MICommand<MacOSMIVarUpdateInfo> {

	public MacOSMIVarUpdate(ICommandControlDMContext dmc, String name) {

		// Must use --all-values instead of 1 for Mac OS

		super(dmc, "-var-update", new String[] { "--all-values", name }); //$NON-NLS-1$//$NON-NLS-2$

	}

    @Override

    public MacOSMIVarUpdateInfo getResult(MIOutput out) {

        return new MacOSMIVarUpdateInfo(out);

    }

}

/*******************************************************************************

 * Copyright (c) 2010 QNX Software Systems and others.

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *     QNX Software Systems - Initial API and implementation

 *     Ericsson             - Created version for Mac OS

 *******************************************************************************/

package org.eclipse.cdt.dsf.mi.service.command.output.macos;

import java.util.ArrayList;

import java.util.List;

import org.eclipse.cdt.dsf.mi.service.command.output.MIConst;

import org.eclipse.cdt.dsf.mi.service.command.output.MIInfo;

import org.eclipse.cdt.dsf.mi.service.command.output.MIList;

import org.eclipse.cdt.dsf.mi.service.command.output.MIOutput;

import org.eclipse.cdt.dsf.mi.service.command.output.MIResult;

import org.eclipse.cdt.dsf.mi.service.command.output.MIResultRecord;

import org.eclipse.cdt.dsf.mi.service.command.output.MITuple;

import org.eclipse.cdt.dsf.mi.service.command.output.MIValue;

import org.eclipse.cdt.dsf.mi.service.command.output.MIVarChange;

/**

 * GDB/MI var-update for Mac OS.

 * -var-update *

 * ^done,changelist=[varobj={name="var1",in_scope="true",type_changed="false"}],time={.....}

 * 

 * @since 2.1

 */

public class MacOSMIVarUpdateInfo extends MIInfo {

	MIVarChange[] changeList;

	public MacOSMIVarUpdateInfo(MIOutput record) {

		super(record);

        List<MIVarChange> aList = new ArrayList<MIVarChange>();

        if (isDone()) {

            MIOutput out = getMIOutput();

            MIResultRecord rr = out.getMIResultRecord();

            if (rr != null) {

                MIResult[] results =  rr.getMIResults();

                for (int i = 0; i < results.length; i++) {

                    String var = results[i].getVariable();

                    if (var.equals("changelist")) { //$NON-NLS-1$

                        MIValue value = results[i].getMIValue();

                        if (value instanceof MITuple) {

                            parseChangeList((MITuple)value, aList);

                        } else if (value instanceof MIList) {

                            parseChangeList((MIList)value, aList);

                        }

                    }

                }

            }

        }

        changeList = aList.toArray(new MIVarChange[aList.size()]);

	}

	public MIVarChange[] getMIVarChanges() {

		return changeList;

	}

	/**

	 * For MI2 the format is now a MIList.

	 * @param tuple

	 * @param aList

	 */

	void parseChangeList(MIList miList, List<MIVarChange> aList) {

		// The MIList in Apple gdb contains MIResults instead of MIValues. It looks like:

		// ^done,changelist=[varobj={name="var1",in_scope="true",type_changed="false"}],time={.....}

		// Bug 250037

		MIResult[] results = miList.getMIResults();

		for (int i = 0; i < results.length; i++) {

			String var = results[i].getVariable();

			if (var.equals("varobj")) { //$NON-NLS-1$

				MIValue value = results[i].getMIValue();

				if (value instanceof MITuple) {

					parseChangeList((MITuple)value, aList);

				} else if (value instanceof MIList) {

					parseChangeList((MIList)value, aList);

				}

			}

		}

	} 

	void parseChangeList(MITuple tuple, List<MIVarChange> aList) {

		MIResult[] results = tuple.getMIResults();

		MIVarChange change = null;

		for (int i = 0; i < results.length; i++) {

			String var = results[i].getVariable();

			MIValue value = results[i].getMIValue();

			if (value instanceof MITuple) {

				parseChangeList((MITuple)value, aList);

			}

			else

			{

				String str = ""; //$NON-NLS-1$

				if (value instanceof MIConst) {

					str = ((MIConst)value).getString();

				}

				if (var.equals("name")) { //$NON-NLS-1$

					change = new MIVarChange(str);

					aList.add(change);

				} else if (var.equals("value")) { //$NON-NLS-1$

					if (change != null) {

						change.setValue(str);

					}

				} else if (var.equals("in_scope")) { //$NON-NLS-1$

					if (change != null) {

						change.setInScope("true".equals(str)); //$NON-NLS-1$

					}

				} else if (var.equals("type_changed")) { //$NON-NLS-1$

					if (change != null) {

						change.setChanged("true".equals(str)); //$NON-NLS-1$

					}

				}				

			}

		}

	}

}