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

package info (click to toggle)
llvm-toolchain-snapshot 1%3A22~%2B%2B20251023025710%2B3f47a7be1ae6-1~exp5
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,336,076 kB
  • sloc: cpp: 7,822,956; ansic: 1,531,523; asm: 1,088,291; python: 260,779; f90: 98,765; objc: 70,846; lisp: 47,149; pascal: 17,852; sh: 8,636; ml: 5,111; perl: 4,720; makefile: 3,680; awk: 3,523; javascript: 2,270; xml: 892; fortran: 793
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);
}