def __init__(self, parsed, par_names):
self.def_use = beniget.DefUseChains()
self.def_use.visit(parsed)
self.use_def = beniget.UseDefChains(self.def_use)
self.params = {k: v for (k, v) in self.use_def.chains.items() if hasattr(k, 'id') and k.id in par_names and v}
self.graph = pydot.Dot(graph_type='digraph')
self.node_to_dot_node = {}
self.src_to_target = set()
self.already_visited = set()
for param_node in self.params.keys():
self.visit(param_node)
def checkChains(self, code, ref):
class StrictDefUseChains(beniget.DefUseChains):
def unbound_identifier(self, name, node):
raise RuntimeError(
"W: unbound identifier '{}' at {}:{}".format(
name, node.lineno, node.col_offset))
node = ast.parse(code)
c = StrictDefUseChains()
c.visit(node)
cc = beniget.UseDefChains(c)
self.assertEqual(str(cc), ref)
def visit_Module(self, node):
udc = beniget.UseDefChains(self.def_use_chains)
self.result = udc.chains
import gast as ast
import beniget
mod = ast.parse("""
T = int
def func() -> T:
return 1
""")
fdef = mod.body[1]
node = fdef.returns
du = beniget.DefUseChains()
du.visit(mod)
du.chains[node]
ud = beniget.UseDefChains(du)
ud.chains[node]