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
|
// RUN: %check_clang_tidy %s readability-function-cognitive-complexity %t -- \
// RUN: -config='{CheckOptions: \
// RUN: [{key: readability-function-cognitive-complexity.Threshold, \
// RUN: value: 0}, \
// RUN: {key: readability-function-cognitive-complexity.DescribeBasicIncrements, \
// RUN: value: "false"} ]}'
// RUN: %check_clang_tidy -check-suffix=THRESHOLD5 %s readability-function-cognitive-complexity %t -- \
// RUN: -config='{CheckOptions: \
// RUN: [{key: readability-function-cognitive-complexity.Threshold, \
// RUN: value: 5}, \
// RUN: {key: readability-function-cognitive-complexity.DescribeBasicIncrements, \
// RUN: value: "false"} ]}'
// RUN: %check_clang_tidy -check-suffix=IGNORE-MACROS %s readability-function-cognitive-complexity %t -- \
// RUN: -config='{CheckOptions: \
// RUN: [{key: readability-function-cognitive-complexity.Threshold, \
// RUN: value: 0}, \
// RUN: {key: readability-function-cognitive-complexity.IgnoreMacros, \
// RUN: value: "true"}, \
// RUN: {key: readability-function-cognitive-complexity.DescribeBasicIncrements, \
// RUN: value: "false"} ]}'
// RUN: %check_clang_tidy -check-suffix=GLOBAL-IGNORE-MACROS %s readability-function-cognitive-complexity %t -- \
// RUN: -config='{CheckOptions: \
// RUN: [{key: readability-function-cognitive-complexity.Threshold, \
// RUN: value: 0}, \
// RUN: {key: IgnoreMacros, \
// RUN: value: "true"}, \
// RUN: {key: readability-function-cognitive-complexity.DescribeBasicIncrements, \
// RUN: value: "false"} ]}'
void func_of_complexity_4() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'func_of_complexity_4' has cognitive complexity of 4 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES-IGNORE-MACROS: :[[@LINE-2]]:6: warning: function 'func_of_complexity_4' has cognitive complexity of 4 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES-GLOBAL-IGNORE-MACROS: :[[@LINE-3]]:6: warning: function 'func_of_complexity_4' has cognitive complexity of 4 (threshold 0) [readability-function-cognitive-complexity]
if (1) {
if (1) {
}
}
if (1) {
}
}
#define MacroOfComplexity10 \
if (1) { \
if (1) { \
if (1) { \
if (1) { \
} \
} \
} \
}
void function_with_macro() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'function_with_macro' has cognitive complexity of 11 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES-THRESHOLD5: :[[@LINE-2]]:6: warning: function 'function_with_macro' has cognitive complexity of 11 (threshold 5) [readability-function-cognitive-complexity]
// CHECK-NOTES-IGNORE-MACROS: :[[@LINE-3]]:6: warning: function 'function_with_macro' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES-GLOBAL-IGNORE-MACROS: :[[@LINE-4]]:6: warning: function 'function_with_macro' has cognitive complexity of 11 (threshold 0) [readability-function-cognitive-complexity]
MacroOfComplexity10;
if (1) {
}
}
#define noop \
{}
#define SomeMacro(x) \
if (1) { \
x; \
}
void func_macro_1() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'func_macro_1' has cognitive complexity of 2 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES-IGNORE-MACROS: :[[@LINE-2]]:6: warning: function 'func_macro_1' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES-GLOBAL-IGNORE-MACROS: :[[@LINE-3]]:6: warning: function 'func_macro_1' has cognitive complexity of 2 (threshold 0) [readability-function-cognitive-complexity]
if (1) {
}
SomeMacro(noop);
}
void func_macro_2() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'func_macro_2' has cognitive complexity of 4 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES-IGNORE-MACROS: :[[@LINE-2]]:6: warning: function 'func_macro_2' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES-GLOBAL-IGNORE-MACROS: :[[@LINE-3]]:6: warning: function 'func_macro_2' has cognitive complexity of 4 (threshold 0) [readability-function-cognitive-complexity]
if (1) {
}
// Note that if the IgnoreMacro option is set to 'true', currently also macro
// arguments are ignored. Optimally, macros should be treated like function
// calls, i.e. the arguments account to the complexity so that the overall
// complexity of this function is 2 (1 for the if statement above + 1 for
// the if statement in the argument).
SomeMacro(if (1) { noop; });
}
|
