[202346] Create GdbSteppingModeTarget that checks if we are doing a

post-mortem launch, to know if the stepping mode button should be disabled.

dsf-gdb/org.eclipse.cdt.dsf.gdb.ui/src/org/eclipse/cdt/dsf/gdb/internal/ui/GdbAdapterFactory.java

@@ -23,7 +23,6 @@ import org.eclipse.cdt.dsf.debug.ui.actions.DsfResumeCommand;
 import org.eclipse.cdt.dsf.debug.ui.actions.DsfStepIntoCommand;
 import org.eclipse.cdt.dsf.debug.ui.actions.DsfStepOverCommand;
 import org.eclipse.cdt.dsf.debug.ui.actions.DsfStepReturnCommand;
-import org.eclipse.cdt.dsf.debug.ui.actions.DsfSteppingModeTarget;
 import org.eclipse.cdt.dsf.debug.ui.actions.DsfSuspendCommand;
 import org.eclipse.cdt.dsf.debug.ui.contexts.DsfSuspendTrigger;
 import org.eclipse.cdt.dsf.debug.ui.sourcelookup.DsfSourceDisplayAdapter;
@@ -45,6 +44,7 @@ import org.eclipse.cdt.dsf.gdb.internal.ui.actions.GdbReverseResumeCommand;
 import org.eclipse.cdt.dsf.gdb.internal.ui.actions.GdbReverseStepIntoCommand;
 import org.eclipse.cdt.dsf.gdb.internal.ui.actions.GdbReverseStepOverCommand;
 import org.eclipse.cdt.dsf.gdb.internal.ui.actions.GdbReverseToggleCommand;
+import org.eclipse.cdt.dsf.gdb.internal.ui.actions.GdbSteppingModeTarget;
 import org.eclipse.cdt.dsf.gdb.internal.ui.actions.GdbUncallCommand;
 import org.eclipse.cdt.dsf.gdb.internal.ui.viewmodel.GdbViewModelAdapter;
 import org.eclipse.cdt.dsf.gdb.launching.GdbLaunch;
@@ -101,7 +101,7 @@ public class GdbAdapterFactory
         final GdbDisconnectCommand fDisconnectCommand;
         final IDebugModelProvider fDebugModelProvider;
         final DsfSuspendTrigger fSuspendTrigger;
-		final DsfSteppingModeTarget fSteppingModeTarget;
+		final GdbSteppingModeTarget fSteppingModeTarget;
 		final IModelSelectionPolicyFactory fModelSelectionPolicyFactory;
 		final SteppingController fSteppingController;
         final DefaultRefreshAllTarget fRefreshAllTarget;
@@ -124,7 +124,7 @@ public class GdbAdapterFactory
             }
             session.registerModelAdapter(ISourceDisplay.class, fSourceDisplayAdapter);
             
-            fSteppingModeTarget= new DsfSteppingModeTarget();
+            fSteppingModeTarget = new GdbSteppingModeTarget(session);
             fStepIntoCommand = new DsfStepIntoCommand(session, fSteppingModeTarget);
             fReverseStepIntoCommand = new GdbReverseStepIntoCommand(session, fSteppingModeTarget);
             fStepOverCommand = new DsfStepOverCommand(session, fSteppingModeTarget);
@@ -206,6 +206,7 @@ public class GdbAdapterFactory
             session.unregisterModelAdapter(IRefreshAllTarget.class);
             session.unregisterModelAdapter(IReverseToggleHandler.class);
             
+            fSteppingModeTarget.dispose();
             fStepIntoCommand.dispose();
             fReverseStepIntoCommand.dispose();
             fStepOverCommand.dispose();

dsf-gdb/org.eclipse.cdt.dsf.gdb.ui/src/org/eclipse/cdt/dsf/gdb/internal/ui/actions/GdbSteppingModeTarget.java

@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright (c) 2009 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:
+ *     Ericsson - Initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.dsf.gdb.internal.ui.actions;
+
+import java.util.concurrent.ExecutionException;
+
+import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
+import org.eclipse.cdt.dsf.concurrent.DsfExecutor;
+import org.eclipse.cdt.dsf.concurrent.Query;
+import org.eclipse.cdt.dsf.debug.ui.actions.DsfSteppingModeTarget;
+import org.eclipse.cdt.dsf.gdb.internal.ui.GdbUIPlugin;
+import org.eclipse.cdt.dsf.gdb.service.IGDBBackend;
+import org.eclipse.cdt.dsf.gdb.service.SessionType;
+import org.eclipse.cdt.dsf.service.DsfServicesTracker;
+import org.eclipse.cdt.dsf.service.DsfSession;
+
+/** 
+ * SteppingModeTarget that allows to disable the button when dealing
+ * with a post-mortem debugging session.
+ * 
+ * @since 2.0
+ */
+public class GdbSteppingModeTarget extends DsfSteppingModeTarget {
+    private final DsfExecutor fExecutor;
+    private final DsfServicesTracker fTracker;
+    
+    public GdbSteppingModeTarget(DsfSession session) {
+        fExecutor = session.getExecutor();
+        fTracker = new DsfServicesTracker(GdbUIPlugin.getBundleContext(), session.getId());
+    }    
+
+    public void dispose() {
+        fTracker.dispose();
+    }
+
+	@Override
+	public boolean supportsInstructionStepping() {
+    	Query<Boolean> supportInstructionStepping = new Query<Boolean>() {
+    		@Override
+    		protected void execute(DataRequestMonitor<Boolean> rm) {
+    			IGDBBackend backend = fTracker.getService(IGDBBackend.class);
+				if (backend != null) {
+					// PostMortem sessions do not support instruction stepping
+					rm.setData(backend.getSessionType() != SessionType.CORE);
+				} else {
+					rm.setData(false);
+				}
+				
+				rm.done();
+    		}
+    	};
+
+    	fExecutor.execute(supportInstructionStepping);
+        try {
+        	return supportInstructionStepping.get();
+        } catch (InterruptedException e1) {
+        } catch (ExecutionException e1) {
+        }
+        return false;
+	}
+}