public boolean equals(StateRep s) {
if (s.getStateName() == getStateName() && (s instanceof SuperSubStateRep)) {
SuperSubStateRep sr = (SuperSubStateRep) s;
if (sr.getSuperStateName() == getSuperStateName()) return true;
}
return false;
}
public State build(FSMRepresentationBuilder fb) {
// SuperSub states depend upon other states, and so must request
// that they be built first. Also, they are depended upon by other
// states, so they must ignore duplicate requests for being built.
State retval = null;
if (fb.isStateBuilt(getStateName()) == false) {
StateRep sr = fb.getStateRep(getSuperStateName());
if (sr != null) {
sr.build(fb);
SuperState superState = fb.getBuiltSuperState(getSuperStateName());
if (superState != null) {
SuperSubStateImpl s = new SuperSubStateImpl(getStateName(), superState);
retval = (State) s;
fb.addBuiltSuperState(s);
} else {
String e =
"Could not build super sub state ("
+ getStateName()
+ ") because super state ("
+ getSuperStateName()
+ ") had an error.";
fb.setError();
fb.error(sr.getSyntaxLocation(), e);
}
} else {
String e = "Super state (" + getSuperStateName() + ") was not declared.";
fb.setError();
fb.error(sr.getSyntaxLocation(), e);
}
} else {
retval = fb.getBuiltState(getStateName());
}
return retval;
}
