def outer(pyfn):
assert callable(pyfn), "Lifted function must be callable"
fname = pyfn.func_name
try:
caterm.aterm(signature)
except caterm.InvalidATerm as e:
raise InvalidLibraryDefinton(*e.args + (fname,))
# #effectful
libcall = PythonFn(signature, pyfn)
install(signature, libcall)
sig = getargspec(pyfn)
nargs = len(sig.args)
# Return a new Fun() class that is a graph node
# constructor.
# Either we have a codomain annotation or we default to
# the dynamic type.
cod = params.pop('cod', dynamic)
return type(pyfn.func_name, (Fun,), {
'nargs' : nargs,
'fn' : pyfn,
'fname' : fname,
'typesig' : typesig,
'cod' : cod,
'constraints' : constraints,
})
def outer(pyfn):
assert callable(pyfn), "Lifted function must be callable"
fname = pyfn.func_name
try:
caterm.aterm(signature)
except caterm.InvalidATerm as e:
raise InvalidLibraryDefinton(*e.args + (fname, ))
# #effectful
libcall = PythonFn(signature, pyfn)
install(signature, libcall)
sig = getargspec(pyfn)
nargs = len(sig.args)
# Return a new Fun() class that is a graph node
# constructor.
# Either we have a codomain annotation or we default to
# the dynamic type.
cod = params.pop('cod', dynamic)
return type(
pyfn.func_name, (Fun, ), {
'nargs': nargs,
'fn': pyfn,
'fname': fname,
'typesig': typesig,
'cod': cod,
'constraints': constraints,
})
def lookup(self, aterm):
# convert into a C ATerm, inefficent but whatever
ct = caterm.aterm(str(aterm))
# canidate functions, functions matching the signature of
# the term
# Use the C libraries better pattern matching library,
# find a function in the Blaze library that matches the
# given aterm
c = [f for f, sig in self.funs.iteritems() if ct.matches(sig)]
if len(c) == 0:
raise NoDispatch(aterm)
# the canidate which has the minimal cost function
costs = [(f, self.costs[f](aterm)) for f in c]
return min(costs, key=lambda x: x[1])
def lookup(self, aterm):
# convert into a C ATerm, inefficent but whatever
aterm_str = str(aterm)
ct = caterm.aterm(aterm_str)
# canidate functions, functions matching the signature of
# the term
# Use the C libraries better pattern matching library,
# find a function in the Blaze library that matches the
# given aterm
c = [f for f, sig in self.funs.iteritems() if ct.matches(sig)]
if len(c) == 0:
raise NoDispatch(aterm)
# the canidate which has the minimal cost function
costs = [(f, self.costs[f](aterm)) for f in c]
return min(costs, key=lambda x: x[1])
