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();
}
}
}
List<MarkOccurencesHandler.ErlangRef> getErlangRefs(
final IErlModule module, final List<ModuleLineFunctionArityRef> findRefs) {
final List<MarkOccurencesHandler.ErlangRef> result =
new ArrayList<MarkOccurencesHandler.ErlangRef>(findRefs.size());
for (final ModuleLineFunctionArityRef ref : findRefs) {
result.add(
new MarkOccurencesHandler.ErlangRef(
SearchUtil.createSearchElement(ref, module),
ref.getOffset(),
ref.getLength(),
ref.isDef()));
}
return result;
}