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/*******************************************************************************
* Copyright (c) 2019 Kichwa Coders and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package org.eclipse.cdt.debug.dap;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.cdt.launch.AbstractCLaunchDelegate2;
import org.eclipse.cdt.launch.LaunchUtils;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.Launch;
import org.eclipse.debug.core.model.IDebugTarget;
import org.eclipse.debug.core.model.IPersistableSourceLocator;
import org.eclipse.debug.core.sourcelookup.IPersistableSourceLocator2;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.lsp4e.debug.launcher.DSPLaunchDelegate;
import org.eclipse.lsp4e.debug.launcher.DSPLaunchDelegate.DSPLaunchDelegateLaunchBuilder;
import org.eclipse.lsp4e.debug.sourcelookup.DSPSourceLookupDirector;
import org.eclipse.swt.widgets.Display;
public class DapLaunchDelegate extends AbstractCLaunchDelegate2 {
private static final String DEBUG_ADAPTER_JS = "/debug-servers/node_modules/cdt-gdb-adapter/dist/debugAdapter.js"; //$NON-NLS-1$
// see https://github.com/eclipse-cdt/cdt-gdb-adapter/blob/73a31934d169555a338f53512b4994c017f67a1a/src/GDBDebugSession.ts#L22
private static final String GDB = "gdb"; //$NON-NLS-1$
private static final String PROGRAM = "program"; //$NON-NLS-1$
private static final String ARGUMENTS = "arguments"; //$NON-NLS-1$
private static final String VERBOSE = "verbose"; //$NON-NLS-1$
private static final String LOG_FILE = "logFile"; //$NON-NLS-1$
private InitializeLaunchConfigurations initializeLaunchConfigurations = new InitializeLaunchConfigurations(
this::warnNodeJSMissing);
private void warnNodeJSMissing() {
Display.getDefault().asyncExec(() -> {
MessageDialog.openWarning(Display.getCurrent().getActiveShell(), "Missing node.js", //$NON-NLS-1$
"Could not find node.js. This prevents being able to debug with the CDT Debug Adapter.\n" //$NON-NLS-1$
+ "Please make sure node.js is installed and that your PATH environement variable contains the location to the `node` executable."); //$NON-NLS-1$
});
}
@Override
public void launch(ILaunchConfiguration configuration, String mode, ILaunch launch, IProgressMonitor monitor)
throws CoreException {
// user settings
Map<String, Object> param = new HashMap<>();
param.put(PROGRAM, LaunchUtils.getProgramPath(configuration));
param.put(ARGUMENTS, LaunchUtils.getProgramArguments(configuration));
try {
URL fileURL = FileLocator.toFileURL(getClass().getResource(DEBUG_ADAPTER_JS));
if (fileURL == null) {
throw new IOException(Messages.DapLaunchDelegate_missing_debugAdapter_script + Activator.PLUGIN_ID
+ DEBUG_ADAPTER_JS);
}
String path = fileURL.getPath();
List<String> debugCmdArgs = Collections.singletonList(path);
DSPLaunchDelegateLaunchBuilder builder = new DSPLaunchDelegateLaunchBuilder(configuration, mode, launch,
monitor);
builder.setLaunchDebugAdapter(initializeLaunchConfigurations.getNodeJsLocation()
.orElseThrow(() -> new IOException("Cannot find node runtime")), debugCmdArgs); //$NON-NLS-1$
builder.setMonitorDebugAdapter(true);
builder.setDspParameters(param);
DSPLaunchDelegate dspLaunchDelegate = new DSPLaunchDelegate() {
@Override
protected IDebugTarget createDebugTarget(SubMonitor subMonitor, Runnable cleanup,
InputStream inputStream, java.io.OutputStream outputStream, ILaunch launch,
Map<String, Object> dspParameters) throws CoreException {
DapDebugTarget target = new DapDebugTarget(launch, cleanup, inputStream, outputStream,
dspParameters);
target.initialize(subMonitor.split(80));
return target;
}
};
dspLaunchDelegate.launch(builder);
} catch (IOException e) {
IStatus errorStatus = new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage(), e);
Activator.getDefault().getLog().log(errorStatus);
ErrorDialog.openError(Display.getDefault().getActiveShell(), "Debug error", e.getMessage(), errorStatus); //$NON-NLS-1$
}
}
@Override
protected String getPluginID() {
return Activator.PLUGIN_ID;
}
@Override
public ILaunch getLaunch(ILaunchConfiguration configuration, String mode) throws CoreException {
IPersistableSourceLocator locator = createLocator(configuration);
ILaunch launch = new Launch(configuration, mode, locator);
return launch;
}
private IPersistableSourceLocator createLocator(ILaunchConfiguration configuration) throws CoreException {
String type = DSPSourceLookupDirector.ID;
IPersistableSourceLocator locator = DebugPlugin.getDefault().getLaunchManager().newSourceLocator(type);
String memento = configuration.getAttribute(ILaunchConfiguration.ATTR_SOURCE_LOCATOR_MEMENTO, (String) null);
if (memento == null) {
locator.initializeDefaults(configuration);
} else {
if (locator instanceof IPersistableSourceLocator2) {
((IPersistableSourceLocator2) locator).initializeFromMemento(memento, configuration);
} else {
locator.initializeFromMemento(memento);
}
}
return locator;
}
}
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