def print_stacks():
for run_item in run_stack:
print run_item,
print ' ',
for goal in goal_stack:
print unparse(database.operators, goal, Scope()),
print
def main():
query_str = ' '.join(sys.argv[1:])
if query_str == '':
print 'Please enter a query on the command line (you might need quotes around it)'
print 'E.g. qolog.py assert(prime(3)), assert(prime(5)), assert(prime(7)), findall(S, (prime(P), prime(Q), S is P*Q), B)'
return
db = Database()
db.add_rules(LIST_RULES)
db.add_rules(ARITHMETIC_RULES)
goal, scope = parse(db.operators, query_str)
print 'Proving:', unparse(db.operators, goal, scope)
t0 = time.time()
prove_interactively(goal, scope, db)
print 'Ran for %0.2f seconds' % (time.time() - t0)
def __str__(self):
return 'D(%s)/%d%s' % (unparse(
self.database.operators, self.goal,
Scope()), self.subgoal_count, '*' if self.end_of_gen else '')
def __str__(self):
return 'B(%s)%s' % (unparse(self.database.operators, self.goal,
Scope()), '*' if self.end_of_gen else '')
def bound_vars_str(database, bound_vars, scope):
return ', '.join(
'%s = %s' % (str(v), unparse(database.operators, t, scope))
for v, t in sorted(scope.var_mappings(bound_vars).items()))
def display_rule(term, database):
arg = term.subterms[0].resolve()
print unparse(database.operators, arg, Scope()),
return [(True, set())]