def update_pids_stmt(self, env, marking_var, new_pid_dict_var):
     return pyast.Assign(
         targets=[self.place_expr(env, marking_var)],
         value=pyast.Call(func=pyast.E(stubs['pid_place_type_update_pids']),
                          args=[
                              self.place_expr(self, marking_var),
                              pyast.Name(new_pid_dict_var.name)
                          ]))
 def dump_expr(self, env, marking_var):
     place_expr = pyast.E(self.field.access_from(marking_var))
     return pyast.IfExp(test=place_expr,
                        body=pyast.BinOp(left=pyast.Str('['),
                                         op=pyast.Add(),
                                         right=pyast.BinOp(
                                             left=pyast.Call(
                                                 func=pyast.Name('dump'),
                                                 args=[place_expr]),
                                             op=pyast.Add(),
                                             right=pyast.Str(']'))),
                        orelse=pyast.Str('[]'))
 def dump_expr(self, env, marking_var, variable):
     place_expr = pyast.E(self.field.access_from(marking_var))
     l = []
     for place in self._places:
         l.append(
             pyast.stmt(
                 pyast.Call(
                     func=pyast.E('{}.append'.format(variable.name)),
                     args=[
                         pyast.BinOp(
                             left=pyast.Str(repr(place) + ' : '),
                             op=pyast.Add(),
                             right=pyast.IfExp(test=self.gen_check_flow(
                                 env, marking_var, place, place_expr),
                                               body=pyast.Str('[ dot ],'),
                                               orelse=pyast.Str('[],')))
                     ])))
     return l
 def add_items_stmt(self, env, multiset, marking_var):
     add_items_attr_expr = pyast.E('{}.add_items'.format(
         self.field.access_from(marking_var)))
     return pyast.stmt(pyast.Call(func=add_items_attr_expr,
                                  args=[multiset]))
 def add_multiset_stmt(self, env, multiset, marking_var):
     update_attr_expr = pyast.E('{}.update'.format(
         self.field.access_from(marking_var)))
     return pyast.stmt(pyast.Call(func=update_attr_expr, args=[multiset]))
 def add_token_stmt(self, env, compiled_token, marking_var, *args):
     add_expr = pyast.E("{}.add".format(
         self.field.access_from(marking_var)))
     return pyast.stmt(pyast.Call(func=add_expr, args=[compiled_token]))