File: objcpp-uninitialized-object.mm

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (32 lines) | stat: -rw-r--r-- 818 bytes parent folder | download | duplicates (25) 
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
26
27
28
29
30
31
32
 
// RUN: %clang_analyze_cc1 -analyzer-checker=core,optin.cplusplus.UninitializedObject -std=c++11 -fblocks -verify %s

typedef void (^myBlock) ();

struct StructWithBlock {
  int a;
  myBlock z; // expected-note{{uninitialized field 'this->z'}}

  StructWithBlock() : a(0), z(^{}) {}

  // Miss initialization of field `z`.
  StructWithBlock(int pA) : a(pA) {} // expected-warning{{1 uninitialized field at the end of the constructor call}}

};

void warnOnUninitializedBlock() {
  StructWithBlock a(10);
}

void noWarningWhenInitialized() {
  StructWithBlock a;
}

struct StructWithId {
  int a;
  id z; // expected-note{{uninitialized pointer 'this->z'}}
  StructWithId() : a(0) {} // expected-warning{{1 uninitialized field at the end of the constructor call}}
};

void warnOnUninitializedId() {
  StructWithId s;
}