def decompose(self, pre, post, fail=False):
v = self.get_callee()
if not isinstance(v, Action):
return []
actual_params = self.args[0].args
actual_returns = self.args[1:]
vocab = list(symbols_asts(actual_params + actual_returns))
formals = v.formal_params + v.formal_returns
premap, pre = hide_state_map(formals, pre)
postmap, post = hide_state_map(formals, post)
actual_params = [rename_ast(p, premap) for p in actual_params]
actual_returns = [rename_ast(p, postmap) for p in actual_returns]
pre = constrain_state(
pre,
And(*
[Equals(x, y)
for x, y in zip(actual_params, v.formal_params)]))
if not fail:
post = constrain_state(
post,
And(*[
Equals(x, y)
for x, y in zip(actual_returns, v.formal_returns)
]))
ren = dict((x, x.prefix('__hide:')) for x in actual_returns)
post = (post[0], rename_clauses(post[1], ren), post[2])
callee = v.clone(v.args) # drop the formals
res = [(pre, [callee], post)]
print "decompose call:"
print "pre = {}".format(pre)
print "callee = {}".format(callee)
print "post = {}".format(post)
return res
def decompose(self, pre, post):
v = self.get_callee()
if not isinstance(v, Action):
return []
actual_params = self.args[0].args
actual_returns = self.args[1:]
vocab = list(symbols_asts(actual_params + actual_returns))
formals = v.formal_params + v.formal_returns
premap, pre = hide_state_map(formals, pre)
postmap, post = hide_state_map(formals, post)
actual_params = [rename_ast(p, premap) for p in actual_params]
actual_returns = [rename_ast(p, postmap) for p in actual_returns]
pre = constrain_state(pre, And(*[Equals(x, y) for x, y in zip(actual_params, v.formal_params)]))
post = constrain_state(post, And(*[Equals(x, y) for x, y in zip(actual_returns, v.formal_returns)]))
ren = dict((x, x.prefix("__hide:")) for x in actual_returns)
post = (post[0], rename_clauses(post[1], ren), post[2])
callee = v.clone(v.args) # drop the formals
return [(pre, [callee], post)]