File: method-call.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (47 lines) | stat: -rw-r--r-- 1,005 bytes parent folder | download | duplicates (28)
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
36
37
38
39
40
41
42
43
44
45
46
47
// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-config c++-inlining=constructors -verify %s

void clang_analyzer_eval(bool);


struct A {
  int x;
  A(int a) { x = a; }
  int getx() const { return x; }
};

struct B{
  int x;
};

void testNullObject(A *a) {
  clang_analyzer_eval(a); // expected-warning{{UNKNOWN}}
  (void)a->getx(); // assume we know what we're doing
  clang_analyzer_eval(a); // expected-warning{{TRUE}}
}

void f1() {
  A x(3);
  clang_analyzer_eval(x.getx() == 3); // expected-warning{{TRUE}}
}

void f2() {
  const A &x = A(3);
  clang_analyzer_eval(x.getx() == 3); // expected-warning{{TRUE}}
}

void f3() {
  const A &x = (A)3;
  clang_analyzer_eval(x.getx() == 3); // expected-warning{{TRUE}}
}

void f4() {
  A x = 3;
  clang_analyzer_eval(x.getx() == 3); // expected-warning{{TRUE}}
}

void checkThatCopyConstructorDoesNotInvalidateObjectBeingCopied() {
  B t;
  t.x = 0;
  B t2(t);
  clang_analyzer_eval(t.x == 0); // expected-warning{{TRUE}}
}