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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
// RUN: %check_clang_tidy %s cppcoreguidelines-init-variables %t -- -- -fno-delayed-template-parsing -fexceptions
// CHECK-FIXES: {{^}}#include <math.h>
// Ensure that function declarations are not changed.
void some_func(int x, double d, bool b, const char *p);
// Ensure that function arguments are not changed
int identity_function(int x) {
return x;
}
int do_not_modify_me;
static int should_not_be_initialized;
extern int should_not_be_initialized2;
typedef struct {
int unaltered1;
int unaltered2;
} UnusedStruct;
typedef int my_int_type;
#define MACRO_INT int
#define FULL_DECLARATION() int macrodecl;
template <typename T>
void template_test_function() {
T t;
int uninitialized;
// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: variable 'uninitialized' is not initialized [cppcoreguidelines-init-variables]
// CHECK-FIXES: {{^}} int uninitialized = 0;{{$}}
}
void init_unit_tests() {
int x;
// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: variable 'x' is not initialized [cppcoreguidelines-init-variables]
// CHECK-FIXES: {{^}} int x = 0;{{$}}
my_int_type myint;
// CHECK-MESSAGES: :[[@LINE-1]]:15: warning: variable 'myint' is not initialized [cppcoreguidelines-init-variables]
// CHECK-FIXES: {{^}} my_int_type myint = 0;{{$}}
MACRO_INT macroint;
// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: variable 'macroint' is not initialized [cppcoreguidelines-init-variables]
// CHECK-FIXES: {{^}} MACRO_INT macroint = 0;{{$}}
FULL_DECLARATION();
int x0 = 1, x1, x2 = 2;
// CHECK-MESSAGES: :[[@LINE-1]]:15: warning: variable 'x1' is not initialized [cppcoreguidelines-init-variables]
// CHECK-FIXES: {{^}} int x0 = 1, x1 = 0, x2 = 2;{{$}}
int y0, y1 = 1, y2;
// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: variable 'y0' is not initialized [cppcoreguidelines-init-variables]
// CHECK-MESSAGES: :[[@LINE-2]]:19: warning: variable 'y2' is not initialized [cppcoreguidelines-init-variables]
// CHECK-FIXES: {{^}} int y0 = 0, y1 = 1, y2 = 0;{{$}}
int hasval = 42;
float f;
// CHECK-MESSAGES: :[[@LINE-1]]:9: warning: variable 'f' is not initialized [cppcoreguidelines-init-variables]
// CHECK-FIXES: {{^}} float f = NAN;{{$}}
float fval = 85.0;
double d;
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: variable 'd' is not initialized [cppcoreguidelines-init-variables]
// CHECK-FIXES: {{^}} double d = NAN;{{$}}
double dval = 99.0;
bool b;
// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: variable 'b' is not initialized [cppcoreguidelines-init-variables]
// CHECK-FIXES: {{^}} bool b = false;{{$}}
bool bval = true;
const char *ptr;
// CHECK-MESSAGES: :[[@LINE-1]]:15: warning: variable 'ptr' is not initialized [cppcoreguidelines-init-variables]
// CHECK-FIXES: {{^}} const char *ptr = nullptr;{{$}}
const char *ptrval = "a string";
UnusedStruct u;
static int does_not_need_an_initializer;
extern int does_not_need_an_initializer2;
int parens(42);
int braces{42};
}
template <typename RANGE>
void f(RANGE r) {
for (char c : r) {
}
}
void catch_variable_decl() {
// Expect no warning given here.
try {
} catch (int X) {
}
}
enum Color { Red,
Green,
Blue };
enum Car { Benz,
BMW = 20,
Audi = BMW + 2 };
enum Gender : char { Male,
Female };
enum class Direction { Up,
Down,
Left,
Right };
enum class Fruit : int { Apple,
Orange };
void uninitialized_enum() {
Color color;
// CHECK-MESSAGES: :[[@LINE-1]]:9: warning: variable 'color' is not initialized [cppcoreguidelines-init-variables]
Car car;
// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: variable 'car' is not initialized [cppcoreguidelines-init-variables]
Gender gender;
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: variable 'gender' is not initialized [cppcoreguidelines-init-variables]
Direction direction;
// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: variable 'direction' is not initialized [cppcoreguidelines-init-variables]
Fruit fruit;
// CHECK-MESSAGES: :[[@LINE-1]]:9: warning: variable 'fruit' is not initialized [cppcoreguidelines-init-variables]
}
|
