// WARNING: the implementation of this method must be kept compatible with unsynchronizedEvaluate
private final synchronized RTValue synchronizedEvaluate(RTExecutionContext ec)
throws CALExecutorException {
if (!LECCMachineConfiguration.nonInterruptibleRuntime() && ec.isQuitRequested()) {
throw RTValue.INTERRUPT_EXCEPTION;
}
RTValue newResult = result == null ? this : result;
RTValue lastResult;
// do not repeatedly poll the SourceGenerationConfiguration settings in the most performance
// important common case
// where we are not generating any runtime statistics
if (RTResultFunction.HAS_RUNTIME_STATS) {
// Attempt to reduce this result
do {
if (LECCMachineConfiguration.generateStatistics()) {
ec.incrementNReductions();
}
lastResult = newResult;
newResult = newResult.synchronizedReduce(ec);
} while (lastResult != newResult);
} else {
// Attempt to reduce this result
do {
lastResult = newResult;
newResult = newResult.synchronizedReduce(ec);
} while (lastResult != newResult);
}
if (newResult != this) {
setResult(newResult);
}
return newResult;
}
