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/**

* @name Wrong number of arguments in a call

* @description Using too many or too few arguments in a call to a function will result in a TypeError at runtime.

* @kind problem

* @tags quality

* reliability

* correctness

* external/cwe/cwe-685

* @problem.severity error

* @sub-severity low

* @precision very-high

* @id py/call/wrong-arguments

import python

private import LegacyPointsTo

import CallArgs

from Call call, FunctionValue func, string too, string should, int limit

where

(

too_many_args(call, func, limit) and too = "too many arguments" and should = "no more than "

too_few_args(call, func, limit) and too = "too few arguments" and should = "no fewer than "

) and

not isAbstract(func) and

not exists(FunctionValue overridden |

func.overrides(overridden) and correct_args_if_called_as_method(call, overridden)

) and

/* The semantics of `__new__` can be a bit subtle, so we simply exclude `__new__` methods */

not func.getName() = "__new__"

select call, "Call to $@ with " + too + "; should be " + should + limit.toString() + ".", func,

func.descriptiveString()