public Object execute(final ExecutionEvent event) throws ExecutionException {
final ISelection selection =
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getSelection();
if (selection instanceof ITreeSelection) {
final Object firstElement = ((ITreeSelection) selection).getFirstElement();
if (firstElement instanceof ErlFunction) {
final ErlFunction function = (ErlFunction) firstElement;
final TracePattern tracePattern = new TracePattern(true);
tracePattern.setFunctionName(function.getFunctionName());
tracePattern.setModuleName(function.getModule().getModuleName());
TraceBackend.getInstance().removeTracePattern(tracePattern);
}
}
return null;
}
private void setFunctionTracePatterns() {
for (final TracePattern tracePattern : tracePatterns) {
if (tracePattern.isEnabled()) {
final String function = tracePattern.isLocal() ? FUN_TPL : FUN_TP;
try {
OtpErlangObject matchSpec = null;
if (tracePattern.getMatchSpec().getMsObject() != null) {
matchSpec = tracePattern.getMatchSpec().getMsObject();
} else {
matchSpec = new OtpErlangList();
}
if (tracePattern.getArity() < 0) {
tracerBackend.call(
Constants.TTB_MODULE,
function,
"aax",
tracePattern.getModuleName(),
tracePattern.getFunctionName(),
matchSpec);
} else {
tracerBackend.call(
Constants.TTB_MODULE,
function,
"aaxx",
tracePattern.getModuleName(),
tracePattern.getFunctionName(),
new OtpErlangInt(tracePattern.getArity()),
matchSpec);
}
} catch (final RpcException e) {
ErlLogger.error("Could not add pattern: " + e.getMessage());
}
}
}
}