private boolean isUnknownState(DfaValue val) {
val = unwrap(val);
if (val instanceof DfaVariableValue) {
if (myUnknownVariables.contains(val)) return true;
DfaVariableValue negatedValue = ((DfaVariableValue) val).getNegatedValue();
if (negatedValue != null && myUnknownVariables.contains(negatedValue)) return true;
}
return false;
}
void setVariableState(DfaVariableValue dfaVar, DfaVariableState state) {
assert !myUnknownVariables.contains(dfaVar);
if (state.equals(myDefaultVariableStates.get(dfaVar))) {
myVariableStates.remove(dfaVar);
} else {
myVariableStates.put(dfaVar, state);
}
myCachedHash = null;
}