1 files changed, 127 insertions, 0 deletions
diff --git a/plugins/org.eclipse.tm.tcf.debug.ui/src/org/eclipse/tm/internal/tcf/debug/ui/commands/StepCommand.java b/plugins/org.eclipse.tm.tcf.debug.ui/src/org/eclipse/tm/internal/tcf/debug/ui/commands/StepCommand.java
new file mode 100644
index 000000000..07292e45d
--- /dev/null
+++ b/plugins/org.eclipse.tm.tcf.debug.ui/src/org/eclipse/tm/internal/tcf/debug/ui/commands/StepCommand.java
@@ -0,0 +1,127 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2008 Wind River Systems, Inc. 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.tm.internal.tcf.debug.ui.commands;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.eclipse.core.runtime.Status;
+import org.eclipse.debug.core.commands.IDebugCommandRequest;
+import org.eclipse.debug.core.commands.IEnabledStateRequest;
+import org.eclipse.debug.core.commands.IStepOverHandler;
+import org.eclipse.jface.text.source.Annotation;
+import org.eclipse.tm.internal.tcf.debug.ui.Activator;
+import org.eclipse.tm.internal.tcf.debug.ui.model.TCFModel;
+import org.eclipse.tm.internal.tcf.debug.ui.model.TCFNode;
+import org.eclipse.tm.internal.tcf.debug.ui.model.TCFRunnable;
+import org.eclipse.tm.tcf.protocol.Protocol;
+import org.eclipse.tm.tcf.services.IRunControl;
+
+abstract class StepCommand implements IStepOverHandler {
+
+    protected final TCFModel model;
+
+    public StepCommand(TCFModel model) {
+        this.model = model;
+    }
+    
+    protected abstract boolean canExecute(IRunControl.RunControlContext ctx);
+    
+    protected abstract void execute(IDebugCommandRequest monitor,
+            IRunControl.RunControlContext ctx, boolean src_step, Runnable done);
+    
+    public final void canExecute(final IEnabledStateRequest monitor) {
+        new TCFRunnable(model.getDisplay(), monitor) {
+            public void run() {
+                Object[] elements = monitor.getElements();
+                boolean res = false;
+                for (int i = 0; i < elements.length; i++) {
+                    TCFNode node = null;
+                    if (elements[i] instanceof TCFNode) node = (TCFNode)elements[i];
+                    else node = model.getRootNode();
+                    while (node != null && !node.isDisposed()) {
+                        if (!node.validateNode(this)) return;
+                        IRunControl.RunControlContext ctx = node.getRunContext();
+                        if (!canExecute(ctx)) {
+                            node = node.getParent();
+                        }
+                        else {
+                            if (node.isSuspended()) res = true;
+                            node = null;
+                        }
+                    }
+                }
+                monitor.setEnabled(res);
+                monitor.setStatus(Status.OK_STATUS);
+                done();
+            }
+        };
+    }
+
+    public final boolean execute(final IDebugCommandRequest monitor) {
+        new TCFRunnable(model.getDisplay(), monitor) {
+            public void run() {
+                Object[] elements = monitor.getElements();
+                final Set<IRunControl.RunControlContext> set = new HashSet<IRunControl.RunControlContext>();
+                for (int i = 0; i < elements.length; i++) {
+                    TCFNode node = null;
+                    if (elements[i] instanceof TCFNode) node = (TCFNode)elements[i];
+                    else node = model.getRootNode();
+                    while (node != null && !node.isDisposed()) {
+                        if (!node.validateNode(this)) return;
+                        IRunControl.RunControlContext ctx = node.getRunContext();
+                        if (!canExecute(ctx)) {
+                            node = node.getParent();
+                        }
+                        else {
+                            set.add(ctx);
+                            node = null;
+                        }
+                    }
+                }
+                execute(monitor, this, set);
+            }
+        };
+        return true;
+    }
+    
+    private void execute(final IDebugCommandRequest monitor, final TCFRunnable request,
+            final Set<IRunControl.RunControlContext> set) {
+        int i = 0;
+        final String[] ids = new String[set.size()];
+        for (IRunControl.RunControlContext ctx : set) ids[i++] = ctx.getID();
+        model.getDisplay().asyncExec(new Runnable() {
+            public void run() {
+                boolean src = false;
+                for (String id : ids) {
+                    Annotation a = Activator.getAnnotationManager().findAnnotation(model, id);
+                    if (a != null) src = true;
+                }
+                final boolean src_step = src;
+                Protocol.invokeLater(new Runnable() {
+                    public void run() {
+                        final Set<Runnable> wait_list = new HashSet<Runnable>();
+                        for (IRunControl.RunControlContext ctx : set) {
+                            Runnable done = new Runnable() {
+                                public void run() {
+                                    wait_list.remove(this);
+                                    if (wait_list.isEmpty()) request.done();
+                                }
+                            };
+                            wait_list.add(done);
+                            execute(monitor, ctx, src_step, done);
+                        }
+                    }
+                });
+            }
+        });
+    }
+}