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/*******************************************************************************
* Copyright (c) 2015, 2017 Xilinx, 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:
* Xilinx - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.internal.cdt.ui.commands;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.commands.IDebugCommandHandler;
import org.eclipse.debug.core.commands.IDebugCommandRequest;
import org.eclipse.debug.core.commands.IEnabledStateRequest;
import org.eclipse.tcf.internal.cdt.ui.Activator;
import org.eclipse.tcf.internal.debug.actions.TCFAction;
import org.eclipse.tcf.internal.debug.model.TCFContextState;
import org.eclipse.tcf.internal.debug.ui.model.TCFModel;
import org.eclipse.tcf.protocol.IChannel;
import org.eclipse.tcf.protocol.IToken;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.services.IBreakpoints;
import org.eclipse.tcf.services.IRunControl;
import org.eclipse.tcf.services.IRunControl.RunControlContext;
import org.eclipse.tcf.services.IRunControl.RunControlListener;
import org.eclipse.tcf.util.TCFDataCache;
public class TCFStepIntoSelectionHandler implements IDebugCommandHandler {
@Override
public void canExecute(final IEnabledStateRequest request) {
final StepIntoSelectionLocation l = new StepIntoSelectionLocation();
l.getTextLocation(request);
if (!l.isValid()) {
request.setEnabled(false);
request.done();
return;
}
Protocol.invokeLater(new Runnable() {
@Override
public void run() {
if (l.node.isDisposed()) {
done(null, false);
return;
}
TCFDataCache<TCFContextState> cache = l.node.getState();
if (!cache.validate(this)) return;
if (cache.getError() != null) {
done(cache.getError(), false);
return;
}
TCFContextState state = cache.getData();
done(null, state != null && state.is_suspended);
}
private void done(Throwable e, boolean enabled) {
if (e != null) {
request.setStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID,
IStatus.ERROR, TCFModel.getErrorMessage(e, true), e));
}
request.setEnabled(enabled);
request.done();
}
});
}
@Override
public boolean execute(final IDebugCommandRequest request) {
final StepIntoSelectionLocation l = new StepIntoSelectionLocation();
l.getTargetFunction(request);
if (!l.isValid()) {
request.done();
return true;
}
Protocol.invokeLater(new Runnable() {
boolean run_to_line_done;
boolean req_done;
String bp_id;
@Override
public void run() {
if (l.node.isDisposed()) {
done(null);
return;
}
IChannel channel = l.node.getChannel();
if (bp_id == null) {
IBreakpoints breakpoints = channel.getRemoteService(IBreakpoints.class);
if (breakpoints == null) {
done(new Exception("Cannot set breakpoint."));
return;
}
Map<String, Object> properties = new HashMap<String, Object>();
properties.put(IBreakpoints.PROP_FILE, l.text_file);
properties.put(IBreakpoints.PROP_LINE, l.text_line);
if (run_to_line_done) {
assert l.target_function != null;
properties.put(IBreakpoints.PROP_LOCATION, l.target_function.getElementName());
properties.put(IBreakpoints.PROP_SKIP_PROLOGUE, true);
}
properties.put(IBreakpoints.PROP_CONTEXT_IDS, new String[] { l.node.getID() });
properties.put(IBreakpoints.PROP_ENABLED, Boolean.TRUE);
properties.put(IBreakpoints.PROP_SERVICE, IRunControl.NAME);
bp_id = TCFAction.STEP_BREAKPOINT_PREFIX + l.node.getID();
properties.put(IBreakpoints.PROP_ID, bp_id);
breakpoints.add(properties, new IBreakpoints.DoneCommand() {
public void doneCommand(IToken token, Exception error) {
if (error != null) {
bp_id = null;
done(error);
}
else {
run();
}
}
});
return;
}
final IRunControl run_ctrl = channel.getRemoteService(IRunControl.class);
if (run_ctrl == null) {
done(new Exception("Cannot resume."));
return;
}
TCFDataCache<TCFContextState> state_cache = l.node.getState();
if (!state_cache.validate(this)) return;
if (state_cache.getError() != null) {
done(state_cache.getError());
return;
}
TCFContextState state = state_cache.getData();
if (state == null || !state.is_suspended) {
done(null);
return;
}
TCFDataCache<IRunControl.RunControlContext> ctx_cache = l.node.getRunContext();
if (!ctx_cache.validate(this)) return;
if (ctx_cache.getError() != null) {
done(ctx_cache.getError());
return;
}
final String node_id = l.node.getID();
run_ctrl.addListener(new RunControlListener() {
private void suspended() {
run_ctrl.removeListener(this);
if (!run_to_line_done) {
run_to_line_done = true;
if (l.target_function != null) {
assert bp_id != null;
IChannel channel = l.node.getChannel();
IBreakpoints breakpoints = channel.getRemoteService(IBreakpoints.class);
breakpoints.remove(new String[] { bp_id }, new IBreakpoints.DoneCommand() {
public void doneCommand(IToken token, Exception error) {
if (error != null) done(error);
else run();
}
});
bp_id = null;
return;
}
}
done(null);
}
public void contextSuspended(String context, String pc, String reason, Map<String,Object> params) {
if (node_id.equals(context)) {
suspended();
}
}
public void contextResumed(String context) {
}
public void contextRemoved(String[] context_ids) {
for (String context : context_ids) {
if (node_id.equals(context)) {
suspended();
return;
}
}
}
public void contextException(String context, String msg) {
}
public void contextChanged(RunControlContext[] contexts) {
}
public void contextAdded(RunControlContext[] contexts) {
}
public void containerSuspended(String context, String pc, String reason, Map<String,Object> params, String[] suspended_ids) {
for (String context2 : suspended_ids) {
if (node_id.equals(context2)) {
suspended();
return;
}
}
}
public void containerResumed(String[] context_ids) {
}
});
IRunControl.RunControlContext ctx = ctx_cache.getData();
ctx.resume(IRunControl.RM_RESUME, 1, new IRunControl.DoneCommand() {
public void doneCommand(IToken token, Exception error) {
if (error != null) {
done(error);
}
else if (!req_done) {
req_done = true;
request.done();
}
}
});
}
private void done(Throwable e) {
if (bp_id != null) {
IChannel channel = l.node.getChannel();
IBreakpoints breakpoints = channel.getRemoteService(IBreakpoints.class);
breakpoints.remove(new String[] { bp_id }, new IBreakpoints.DoneCommand() {
public void doneCommand(IToken token, Exception error) {
done(error);
}
});
bp_id = null;
return;
}
if (!req_done) {
if (e != null) {
request.setStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID,
IStatus.ERROR, TCFModel.getErrorMessage(e, true), e));
}
req_done = true;
request.done();
}
}
});
return true;
}
}
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