File: ref-countable-default-arg-nullptr.cpp

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (25 lines) | stat: -rw-r--r-- 760 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
// RUN: %clang_analyze_cc1 -analyzer-checker=alpha.webkit.UncountedCallArgsChecker -verify %s

#include "mock-types.h"

class Obj {
public:
  static Obj* get();
  static RefPtr<Obj> create();
  void ref() const;
  void deref() const;
};

void someFunction(Obj*, Obj* = nullptr);
void otherFunction(Obj*, Obj* = Obj::get());
// expected-warning@-1{{Call argument is uncounted and unsafe [alpha.webkit.UncountedCallArgsChecker]}}
void anotherFunction(Obj*, Obj* = Obj::create().get());

void otherFunction() {
  someFunction(nullptr);
  someFunction(Obj::get());
  // expected-warning@-1{{Call argument is uncounted and unsafe [alpha.webkit.UncountedCallArgsChecker]}}
  someFunction(Obj::create().get());
  otherFunction(nullptr);
  anotherFunction(nullptr);
}