def varOccur(self):
occur = {}
for j, t in enumerate(self.terms):
if t.__class__ == Var:
util.setMapAdd(occur, t, self.relationDomain(j))
else:
util.setMapMerge(occur, t.varOccur())
return occur
def varOccur(self):
occur = {}
for j, t in enumerate(self.terms):
if t.__class__ == Var:
util.setMapAdd(occur, t, self.relationDomain(j))
else:
util.setMapMerge(occur, t.varOccur())
return occur
def processKIF(self, sents):
initTerms = []
varOccur = []
for s in sents:
if s.__class__ == Struct:
functor = s.functor()
if functor == ROLE:
self.roles.append(s.terms[0])
self.rules.append(s)
elif functor == INIT:
initTerms.append(s.terms[0])
self.initRules.append(s)
elif functor == DISTINCT or \
functor == TRUE or \
functor == NEXT:
raise Exception('Unexpected functor: ' + str(functor))
else:
if functor != LEGAL and \
functor != TERMINAL:
setMapAdd(self.relationals, s.functor(), s)
self.rules.append(s)
elif s.__class__ == LogicalSentence:
varOccur.extend(s.varOccur().values())
self.rules.append(s)
self.processFunctions(s)
self.initialState = State([self.stateIndex(t) for t in initTerms])
self.domains[RelationDomain(TRUE, 0)] = self.stateVars
self.domains[RelationDomain(NEXT, 0)] = self.stateVars
self.domains[RelationDomain(DOES, 1)] = self.actions
self.domains[RelationDomain(LEGAL, 1)] = self.actions
self.domains[RelationDomain(GOAL, 1)] = self.goals
roleNames = set([t.functor() for t in self.roles])
self.domains[RelationDomain(ROLE, 0)] = roleNames
self.domains[RelationDomain(DOES, 0)] = roleNames
self.domains[RelationDomain(LEGAL, 0)] = roleNames
self.domains[RelationDomain(GOAL, 0)] = roleNames
for s in varOccur:
current = set()
for rd in s:
if rd in self.domains:
current.add(rd)
if rd in self.sharedDomains:
for rd2 in self.sharedDomains[rd]:
current.add(rd2)
for rd in current:
self.sharedDomains[rd] = current
uniqueDomains = []
for srd in self.sharedDomains.values():
if srd not in uniqueDomains:
uniqueDomains.append(srd)
self.uniteSet(srd)
self.goals = set(
[int(f.name) for f in self.domains[RelationDomain(GOAL, 1)]])
def processKIF(self, sents):
initTerms = []
varOccur = []
for s in sents:
if s.__class__ == Struct:
functor = s.functor()
if functor == ROLE:
self.roles.append(s.terms[0])
self.rules.append(s)
elif functor == INIT:
initTerms.append(s.terms[0])
self.initRules.append(s)
elif functor == DISTINCT or \
functor == TRUE or \
functor == NEXT:
raise Exception('Unexpected functor: ' + str(functor))
else:
if functor != LEGAL and \
functor != TERMINAL:
setMapAdd(self.relationals, s.functor(), s)
self.rules.append(s)
elif s.__class__ == LogicalSentence:
varOccur.extend(s.varOccur().values())
self.rules.append(s)
self.processFunctions(s)
self.initialState = State([self.stateIndex(t) for t in initTerms])
self.domains[RelationDomain(TRUE, 0)] = self.stateVars
self.domains[RelationDomain(NEXT, 0)] = self.stateVars
self.domains[RelationDomain(DOES, 1)] = self.actions
self.domains[RelationDomain(LEGAL, 1)] = self.actions
self.domains[RelationDomain(GOAL, 1)] = self.goals
roleNames = set([t.functor() for t in self.roles])
self.domains[RelationDomain(ROLE, 0)] = roleNames
self.domains[RelationDomain(DOES, 0)] = roleNames
self.domains[RelationDomain(LEGAL, 0)] = roleNames
self.domains[RelationDomain(GOAL, 0)] = roleNames
for s in varOccur:
current = set()
for rd in s:
if rd in self.domains:
current.add(rd)
if rd in self.sharedDomains:
for rd2 in self.sharedDomains[rd]:
current.add(rd2)
for rd in current:
self.sharedDomains[rd] = current
uniqueDomains = []
for srd in self.sharedDomains.values():
if srd not in uniqueDomains:
uniqueDomains.append(srd)
self.uniteSet(srd)
self.goals = set([int(f.name) for f in self.domains[RelationDomain(GOAL, 1)]])
def processFunctionalTerm(self, ft):
functor = ft.functor()
if functor not in self.functions:
if functor in self.relations:
raise Exception('Function already exists as relation: ' + str(functor))
if ft.arity() == 0:
self.objects.add(functor)
else:
self.functions.add(functor)
for rd in functor.relationDomains():
self.domains[rd] = set()
for i, t in enumerate(ft.terms):
if t.__class__ == Struct:
setMapAdd(self.domains, ft.relationDomain(i), t.functor())
self.processFunctionalTerm(t)
def processFunctionalTerm(self, ft):
functor = ft.functor()
if functor not in self.functions:
if functor in self.relations:
raise Exception('Function already exists as relation: ' +
str(functor))
if ft.arity() == 0:
self.objects.add(functor)
else:
self.functions.add(functor)
for rd in functor.relationDomains():
self.domains[rd] = set()
for i, t in enumerate(ft.terms):
if t.__class__ == Struct:
setMapAdd(self.domains, ft.relationDomain(i), t.functor())
self.processFunctionalTerm(t)
def processFunctions(self, s):
if s.__class__ == LogicalSentence:
for sent in s.sents:
self.processFunctions(sent)
elif s.__class__ == Struct:
functor = s.functor()
if functor == INIT or \
functor == TRUE or \
functor == NEXT:
t = s.terms[0]
if t.__class__ == Struct:
self.stateVars.add(t.functor())
elif functor == DOES or \
functor == LEGAL:
t = s.terms[1]
if t.__class__ == Struct:
self.actions.add(t.functor())
elif functor == GOAL:
t = s.terms[1]
if t.__class__ == Struct:
self.goals.add(t.functor())
elif functor == TERMINAL or \
functor == DISTINCT or \
functor == ROLE:
pass
else:
if functor not in self.relations:
if functor in self.functions:
raise Exception('Relation exists as function')
self.relations.add(functor)
for rd in functor.relationDomains():
self.domains[rd] = set()
for i in range(s.arity()):
t = s.terms[i]
if t.__class__ == Struct:
setMapAdd(self.domains, s.relationDomain(i),
t.functor())
for t in s.terms:
if t.__class__ == Struct:
self.processFunctionalTerm(t)
def processFunctions(self, s):
if s.__class__ == LogicalSentence:
for sent in s.sents:
self.processFunctions(sent)
elif s.__class__ == Struct:
functor = s.functor()
if functor == INIT or \
functor == TRUE or \
functor == NEXT:
t = s.terms[0]
if t.__class__ == Struct:
self.stateVars.add(t.functor())
elif functor == DOES or \
functor == LEGAL:
t = s.terms[1]
if t.__class__ == Struct:
self.actions.add(t.functor())
elif functor == GOAL:
t = s.terms[1]
if t.__class__ == Struct:
self.goals.add(t.functor())
elif functor == TERMINAL or \
functor == DISTINCT or \
functor == ROLE:
pass
else:
if functor not in self.relations:
if functor in self.functions:
raise Exception('Relation exists as function')
self.relations.add(functor)
for rd in functor.relationDomains():
self.domains[rd] = set()
for i in range(s.arity()):
t = s.terms[i]
if t.__class__ == Struct:
setMapAdd(self.domains, s.relationDomain(i), t.functor())
for t in s.terms:
if t.__class__ == Struct:
self.processFunctionalTerm(t)
