@Override
public IBackend createBackend(final BackendData data) {
ErlLogger.debug("Create backend " + data.getNodeName());
if (!data.isManaged() && !data.isAutostart()) {
ErlLogger.info("Not creating backend for %s", data.getNodeName());
return null;
}
final IBackend b;
final String erlangHostName = HostnameUtils.getErlangHostName(data.isLongName());
try {
String nodeName = data.getNodeName();
final boolean hasHost = nodeName.contains("@");
nodeName = hasHost ? nodeName : nodeName + "@" + erlangHostName;
ILaunch launch = data.getLaunch();
if (launch == null) {
launch = launchPeer(data);
}
final IProcess mainProcess =
launch.getProcesses().length == 0 ? null : launch.getProcesses()[0];
final IErlRuntime runtime =
new ErlRuntime(
nodeName, data.getCookie(), mainProcess, !data.isTransient(), data.isLongName());
b =
data.isInternal()
? new InternalBackend(data, runtime)
: new ExternalBackend(data, runtime);
b.initialize();
return b;
} catch (final BackendException e) {
e.printStackTrace();
}
return null;
}
/**
* This method is called upon plug-in activation
*
* @param context The context
* @throws Exception if a problem occurs
*/
@Override
public void start(final BundleContext context) throws Exception {
ErlLogger.debug("Starting UI " + Thread.currentThread());
super.start(context);
if (SystemConfiguration.getInstance().isDeveloper()) {
BackendManagerPopup.init();
}
loadDefaultEditorColors();
ErlLogger.debug("Started UI");
erlConsoleManager = new ErlConsoleManager();
if (SystemConfiguration.getInstance().isDeveloper()) {
try {
final IBackend ideBackend = BackendCore.getBackendManager().getIdeBackend();
if (!ideBackend.getData().hasConsole()) {
erlConsoleManager.runtimeAdded(ideBackend);
}
} catch (final Exception e) {
ErlLogger.warn(e);
}
}
erlangDebuggerBackendListener = new ErlangDebuggerBackendListener();
BackendCore.getBackendManager().addBackendListener(erlangDebuggerBackendListener);
startPeriodicCacheCleaner();
}
private void findRefs(
final IErlModule theModule, final ITextSelection aSelection, final boolean hasChanged) {
final IBackend ideBackend = BackendCore.getBackendManager().getIdeBackend();
fRefs = null;
if (fCanceled) {
return;
}
try {
final int offset = aSelection.getOffset();
final OpenResult res =
ErlideOpen.open(
ideBackend.getRpcSite(),
theModule,
offset,
ModelUtils.getImportsAsList(theModule),
"",
ErlModelManager.getErlangModel().getPathVars());
final ErlangSearchPattern pattern =
SearchUtil.getSearchPatternFromOpenResultAndLimitTo(
theModule, offset, res, LimitTo.ALL_OCCURRENCES, false);
if (fCanceled) {
return;
}
if (pattern != null) {
final ErlSearchScope scope = new ErlSearchScope();
scope.addModule(theModule);
final List<ModuleLineFunctionArityRef> findRefs = Lists.newArrayList();
// TODO: run in background? for large files, this can take
// seconds
final OtpErlangObject refs =
ErlideSearchServer.findRefs(
ideBackend.getRpcSite(), pattern, scope, erlangEditor.getStateDir(), true);
if (refs != null) {
SearchUtil.addSearchResult(findRefs, refs);
fRefs = erlangEditor.markOccurencesHandler.getErlangRefs(theModule, findRefs);
}
}
} catch (final RpcTimeoutException e) {
if (!ideBackend.isStopped()) {
ErlLogger.warn(e);
}
} catch (final RpcException e) {
ErlLogger.debug(e);
} catch (final ErlModelException e) {
ErlLogger.debug(e);
} catch (final OtpErlangRangeException e) {
ErlLogger.debug(e);
}
if (fRefs == null) {
if (!erlangEditor.markOccurencesHandler.fStickyOccurrenceAnnotations) {
erlangEditor.markOccurencesHandler.removeOccurrenceAnnotations();
} else if (hasChanged) {
erlangEditor.markOccurencesHandler.removeOccurrenceAnnotations();
}
}
}
public static OtpErlangPid start(final IBackend backend) {
try {
final OtpErlangObject r = backend.call("erlide_shell", "start", "p", backend.getEventPid());
final OtpErlangPid server = (OtpErlangPid) BackendUtils.ok(r);
return server;
} catch (final RpcException e) {
return null;
}
}
