[303569] Additional fix for gdb >= 7.0

debug/org.eclipse.cdt.debug.mi.core/cdi/org/eclipse/cdt/debug/mi/core/cdi/EventBreakpointHit.java

@@ -11,21 +11,33 @@
 package org.eclipse.cdt.debug.mi.core.cdi;
 
 import org.eclipse.cdt.debug.core.cdi.ICDIEventBreakpointHit;
-import org.eclipse.cdt.debug.mi.core.event.MICatchpointHitEvent;
 
 /**
  * @since 7.0
  */
 public class EventBreakpointHit extends SessionObject implements ICDIEventBreakpointHit {
 
-	MICatchpointHitEvent fMiEvent;
+	/**
+	 * See description of eventType param in constructor
+	 */
+	private String fEventType;
 
-	public EventBreakpointHit(Session session, MICatchpointHitEvent miEvent) {
+	/**
+	 * @param session
+	 * @param eventType
+	 *            the type of event breakpoint, in descriptive form (rather than
+	 *            an ID). E.g., "signal", or "load". These are not standardized,
+	 *            and can vary slightly from one gdb version to another, because
+	 *            of difference in how catchpoint hits are reported. This string
+	 *            should be used solely for display purposes.
+	 */
+	public EventBreakpointHit(Session session, String eventType) {
 		super(session);
-		fMiEvent = miEvent;
+		assert (eventType != null) && (eventType.length() > 0);
+		fEventType = eventType;
 	}
 
 	public String getEventBreakpointType() {
-		return fMiEvent.getCatchpointType();
+		return fEventType;
 	}
 }

debug/org.eclipse.cdt.debug.mi.core/cdi/org/eclipse/cdt/debug/mi/core/cdi/event/SuspendedEvent.java

@@ -14,6 +14,7 @@ import org.eclipse.cdt.debug.core.cdi.ICDISessionObject;
 import org.eclipse.cdt.debug.core.cdi.event.ICDISuspendedEvent;
 import org.eclipse.cdt.debug.core.cdi.model.ICDIObject;
 import org.eclipse.cdt.debug.mi.core.cdi.BreakpointHit;
+import org.eclipse.cdt.debug.mi.core.cdi.BreakpointManager;
 import org.eclipse.cdt.debug.mi.core.cdi.EndSteppingRange;
 import org.eclipse.cdt.debug.mi.core.cdi.ErrorInfo;
 import org.eclipse.cdt.debug.mi.core.cdi.EventBreakpointHit;
@@ -23,6 +24,8 @@ import org.eclipse.cdt.debug.mi.core.cdi.SharedLibraryEvent;
 import org.eclipse.cdt.debug.mi.core.cdi.SignalReceived;
 import org.eclipse.cdt.debug.mi.core.cdi.WatchpointScope;
 import org.eclipse.cdt.debug.mi.core.cdi.WatchpointTrigger;
+import org.eclipse.cdt.debug.mi.core.cdi.model.Breakpoint;
+import org.eclipse.cdt.debug.mi.core.cdi.model.EventBreakpoint;
 import org.eclipse.cdt.debug.mi.core.cdi.model.Target;
 import org.eclipse.cdt.debug.mi.core.event.MIBreakpointHitEvent;
 import org.eclipse.cdt.debug.mi.core.event.MICatchpointHitEvent;
@@ -51,7 +54,20 @@ public class SuspendedEvent implements ICDISuspendedEvent {
 
 	public ICDISessionObject getReason() {
 		if (event instanceof MIBreakpointHitEvent) {
-			return new BreakpointHit(session, (MIBreakpointHitEvent)event);
+			BreakpointManager bkptMgr = session.getBreakpointManager();
+			Breakpoint bkpt = bkptMgr.getBreakpoint(event.getMISession(), ((MIBreakpointHitEvent)event).getNumber());
+			// In versions prior to 7.0, a catchpoint (Event Breakpoint in
+			// CDT speak) is reported by gdb as a generic stopped event; gdb
+			// does not indicate it was caused by a breakpoint. In 7.0 and
+			// above, it does. Here we handle the >= 7.0 case. In the < 7.0
+			// case, we generate a MICatchpointHitEvent, and that's handled
+			// below
+			if (bkpt instanceof EventBreakpoint) {
+				return new EventBreakpointHit(session, EventBreakpoint.getGdbEventFromId(((EventBreakpoint)bkpt).getEventType()));
+			}
+			else {
+				return new BreakpointHit(session, (MIBreakpointHitEvent)event);
+			}
 		} else if (event instanceof MIWatchpointTriggerEvent) {
 			return new WatchpointTrigger(session, (MIWatchpointTriggerEvent)event);
 		} else if (event instanceof MIWatchpointScopeEvent) {
@@ -69,7 +85,8 @@ public class SuspendedEvent implements ICDISuspendedEvent {
 		} else if (event instanceof MISharedLibEvent) {
 			return new SharedLibraryEvent(session);
 		} else if (event instanceof MICatchpointHitEvent) {
-			return new EventBreakpointHit(session, (MICatchpointHitEvent)event);
+			// See note above. If we get here, we're dealing with a gdb < 7.0
+			return new EventBreakpointHit(session, ((MICatchpointHitEvent)event).getCatchpointType());
 		}
 		return session;
 	}

debug/org.eclipse.cdt.debug.mi.core/cdi/org/eclipse/cdt/debug/mi/core/cdi/model/EventBreakpoint.java

@@ -67,14 +67,31 @@ public class EventBreakpoint extends Breakpoint implements ICDIEventBreakpoint {
 		return arg;
 	}
 
-
+	/**
+	 * Returns the gdb catchpoint keyword associated with this event breakpoint
+	 * (e.g., "signal", "throw")
+	 */
 	public String getGdbEvent() {
-		String etype = getEventType();
-		String key= idToKeyword.get(etype);
-		if (key!=null) return key;
-		return "unknown"; //$NON-NLS-1$
+		return getGdbEventFromId(getEventType());
 	}
 
+	/**
+	 * Returns the gdb catchpoint keyword associated with the given event point
+	 * type id (e.g., "signal", "throw")
+	 * 
+	 * @param eventTypeId
+	 *            one of the EVENT_TYPE_XXXXX constants from
+	 *            {@link ICEventBreakpoint}
+	 * 
+	 * @since 7.0
+	 */
+	public static String getGdbEventFromId(String eventTypeId) {
+		String key= idToKeyword.get(eventTypeId);
+		if (key!=null) return key;
+		assert false : "Unexpected even breakpoint type ID: " + eventTypeId; //$NON-NLS-1$
+		return "unknown"; //$NON-NLS-1$
+	}
+	
 	public String getGdbArg() {
 		return getExtraArgument();
 	}

debug/org.eclipse.cdt.debug.mi.core/mi/org/eclipse/cdt/debug/mi/core/event/MICatchpointHitEvent.java

@@ -18,8 +18,19 @@ import org.eclipse.cdt.debug.mi.core.output.MIExecAsyncOutput;
  */
 public class MICatchpointHitEvent extends MIStoppedEvent {
 
+	/**
+	 * See catcpointType parameter in constructor
+	 */
 	private String fCatchpointType;
 
+	/**
+	 * @param source
+	 * @param async
+	 * @param catchpointType
+	 *            the type of catchpoint as reported by gdb via the gdb console
+	 *            when the catchpoint is hit. We parse the stream record to get
+	 *            this.
+	 */
 	public MICatchpointHitEvent(MISession source, MIExecAsyncOutput async, String catchpointType) {
 		super(source, async);
 		fCatchpointType = catchpointType;