File: NewDelete-path-notes.cpp

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, 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 (35 lines) | stat: -rw-r--r-- 1,193 bytes parent folder | download | duplicates (20) 
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
33
34
35
 
// RUN: %clang_analyze_cc1 \
// RUN:   -analyzer-checker=cplusplus.NewDelete,unix.Malloc \
// RUN:   -analyzer-config add-pop-up-notes=false \
// RUN:   -analyzer-output=text -verify %s
// RUN: %clang_analyze_cc1 \
// RUN:   -analyzer-checker=cplusplus.NewDelete,unix.Malloc \
// RUN:   -analyzer-config add-pop-up-notes=false \
// RUN:   -analyzer-output=plist %s -o %t.plist
// RUN: %normalize_plist <%t.plist | diff -ub \
// RUN:   %S/Inputs/expected-plists/NewDelete-path-notes.cpp.plist -

void test() {
  int *p = new int;
  // expected-note@-1 {{Memory is allocated}}
  if (p) // expected-note {{Taking true branch}}
    delete p;
    // expected-note@-1 {{Memory is released}}

  delete p; // expected-warning {{Attempt to free released memory}}
  // expected-note@-1 {{Attempt to free released memory}}
}

struct Odd {
	void kill() {
		delete this; // expected-note {{Memory is released}}
	}
};

void test(Odd *odd) {
	odd->kill(); // expected-note{{Calling 'Odd::kill'}}
               // expected-note@-1 {{Returning; memory was released}}
	delete odd; // expected-warning {{Attempt to free released memory}}
              // expected-note@-1 {{Attempt to free released memory}}
}