def __call__(self, expr, vars_lst=[], var=False):
if expr.is_const():
etype, _ = ty.infer(expr)
if self.is_predicate(etype):
if expr.name[0] == 'P':
return expr.name
else:
return ("P" + expr.name)
else:
if var or expr.name in vars_lst:
# LADR vars must begin with chars 'u'-'z'.
if expr.name[0] in ['u', 'v', 'w', 'x', 'y', 'z']:
return expr.name
else:
return ("x" + expr.name)
else:
# LADR consts must begin with chars 'a'-'t'
if ord(expr.name[0]) < 117: # chr(117) == 'u'
return expr.name
else:
return ("c" + expr.name)
elif expr.is_app():
fun, args = root_app_implicit(expr)
args = [self.__call__(a, vars_lst=vars_lst) for a in args]
return self.handle_function(fun, args)
elif expr.is_forall():
vlist, body = open_bound_fresh_consts(expr)
ladr_vars = [v.name for v in vlist]
# ladr_vars_strs is needed to convert all Boole vars into
# a syntactic format supported by LADR.
ladr_vars_strs = [self(v, var=True) for v in vlist]
ladr_body = self(body, vars_lst = ladr_vars)
ladr_sorting = self.ladr_sort_conj(zip(vlist, ladr_vars_strs))
#print ladr_sorting
return ("all " + (" all ".join(ladr_vars_strs)) + " " \
+ '((' + ladr_sorting + ") -> " + ladr_body + ')')
elif expr.is_exists():
vlist, body = open_bound_fresh_consts(expr)
ladr_vars = [v.name for v in vlist]
ladr_vars_strs = [self(v, var=True) for v in vlist]
ladr_body = self(body, vars_lst=ladr_vars)
ladr_sorting = self.ladr_sort_conj(zip(vlist, ladr_vars_strs))
return ("exists " + (" exists ".join(ladr_vars_strs)) + " " \
+ '((' + ladr_sorting + ') & ' + ladr_body + ')')
else:
raise LADR_Unexpected_Expression
def __call__(self, expr, vars_lst=[], var=False):
if expr.is_const():
etype, _ = ty.infer(expr)
if self.is_predicate(etype):
if expr.name[0] == 'P':
return expr.name
else:
return ("P" + expr.name)
else:
if var or expr.name in vars_lst:
# LADR vars must begin with chars 'u'-'z'.
if expr.name[0] in ['u', 'v', 'w', 'x', 'y', 'z']:
return expr.name
else:
return ("x" + expr.name)
else:
# LADR consts must begin with chars 'a'-'t'
if ord(expr.name[0]) < 117: # chr(117) == 'u'
return expr.name
else:
return ("c" + expr.name)
elif expr.is_app():
fun, args = root_app_implicit(expr)
args = [self.__call__(a, vars_lst=vars_lst) for a in args]
return self.handle_function(fun, args)
elif expr.is_forall():
vlist, body = open_bound_fresh_consts(expr)
ladr_vars = [v.name for v in vlist]
# ladr_vars_strs is needed to convert all Boole vars into
# a syntactic format supported by LADR.
ladr_vars_strs = [self(v, var=True) for v in vlist]
ladr_body = self(body, vars_lst=ladr_vars)
ladr_sorting = self.ladr_sort_conj(zip(vlist, ladr_vars_strs))
#print ladr_sorting
return ("all " + (" all ".join(ladr_vars_strs)) + " " \
+ '((' + ladr_sorting + ") -> " + ladr_body + ')')
elif expr.is_exists():
vlist, body = open_bound_fresh_consts(expr)
ladr_vars = [v.name for v in vlist]
ladr_vars_strs = [self(v, var=True) for v in vlist]
ladr_body = self(body, vars_lst=ladr_vars)
ladr_sorting = self.ladr_sort_conj(zip(vlist, ladr_vars_strs))
return ("exists " + (" exists ".join(ladr_vars_strs)) + " " \
+ '((' + ladr_sorting + ') & ' + ladr_body + ')')
else:
raise LADR_Unexpected_Expression
def print_bound(expr):
b = expr.binder
vars, body = e.open_bound_fresh_consts(expr)
name = binder_utf_name[b.name]
if len(vars) == 1:
return "{0!s}({1!s}, {2!s})".format(name, vars[0], body)
else:
vars_str = ', '.join(map(str, vars))
return "{0!s}([{1!s}], {2!s})".format(name, vars_str, body)
def print_bound(expr):
b = expr.binder
vars, body = e.open_bound_fresh_consts(expr)
name = binder_utf_name[b.name]
if len(vars) == 1:
return "{0!s}({1!s}, {2!s})".format(name, vars[0], body)
else:
vars_str = ', '.join(map(str, vars))
return "{0!s}([{1!s}], {2!s})".format(name, vars_str, body)
def __call__(self, expr):
val = elab(expr)
if val.is_const():
return self.get_z3_const(val)
elif val.is_app():
fun, args = root_app_implicit(val)
args = [self.__call__(a) for a in args]
return self.handle_function(fun, args)
elif val.is_forall():
vlist, body = open_bound_fresh_consts(val)
z3_vars = [self(v) for v in vlist]
z3_body = self(body)
return z3.ForAll(z3_vars, z3_body)
elif val.is_exists():
vlist, body = open_bound_fresh_consts(val)
z3_vars = [self(v) for v in vlist]
z3_body = self(body)
return z3.Exists(z3_vars, z3_body)
else:
raise Z3_Unexpected_Expression(val)
def __call__(self, expr):
val = elab(expr)
if val.is_const():
return self.get_z3_const(val)
elif val.is_app():
fun, args = root_app_implicit(val)
args = [self.__call__(a) for a in args]
return self.handle_function(fun, args)
elif val.is_forall():
vlist, body = open_bound_fresh_consts(val)
z3_vars = [self(v) for v in vlist]
z3_body = self(body)
return z3.ForAll(z3_vars, z3_body)
elif val.is_exists():
vlist, body = open_bound_fresh_consts(val)
z3_vars = [self(v) for v in vlist]
z3_body = self(body)
return z3.Exists(z3_vars, z3_body)
else:
raise Z3_Unexpected_Expression(val)