1// RUN: %check_clang_tidy -std=c++17 %s readability-redundant-inline-specifier %t
2// RUN: %check_clang_tidy -std=c++17 -check-suffixes=,STRICT %s readability-redundant-inline-specifier %t -- -config="{CheckOptions: {readability-redundant-inline-specifier.StrictMode: 'true'}}"
3
4template <typename T> inline T f()
5// CHECK-MESSAGES-STRICT: :[[@LINE-1]]:23: warning: function 'f' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
6// CHECK-FIXES-STRICT: template <typename T> T f()
7{
8 return T{};
9}
10
11template <> inline double f<double>() = delete;
12// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: function 'f<double>' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
13// CHECK-FIXES: template <> double f<double>() = delete;
14
15inline int g(float a)
16{
17 return static_cast<int>(a - 5.F);
18}
19
20inline int g(double) = delete;
21// CHECK-MESSAGES: :[[@LINE-1]]:1: warning: function 'g' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
22// CHECK-FIXES: int g(double) = delete;
23
24class C
25{
26 public:
27 inline C& operator=(const C&) = delete;
28 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: function 'operator=' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
29 // CHECK-FIXES: C& operator=(const C&) = delete;
30
31 inline C(const C&) = default;
32 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: function 'C' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
33 // CHECK-FIXES: C(const C&) = default;
34
35 constexpr inline C& operator=(int a);
36 // CHECK-MESSAGES: :[[@LINE-1]]:15: warning: function 'operator=' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
37 // CHECK-FIXES: constexpr C& operator=(int a);
38
39 inline C() {}
40 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: function 'C' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
41 // CHECK-FIXES: C() {}
42
43 constexpr inline C(int);
44 // CHECK-MESSAGES: :[[@LINE-1]]:15: warning: function 'C' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
45 // CHECK-FIXES: constexpr C(int);
46
47 inline int Get42() const { return 42; }
48 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: function 'Get42' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
49 // CHECK-FIXES: int Get42() const { return 42; }
50
51 static inline constexpr int C_STATIC = 42;
52 // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: variable 'C_STATIC' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
53 // CHECK-FIXES: static constexpr int C_STATIC = 42;
54
55 static constexpr int C_STATIC_2 = 42;
56};
57
58constexpr inline int Get42() { return 42; }
59// CHECK-MESSAGES: :[[@LINE-1]]:11: warning: function 'Get42' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
60// CHECK-FIXES: constexpr int Get42() { return 42; }
61
62
63static constexpr inline int NAMESPACE_STATIC = 42;
64
65inline static int fn0(int i)
66// CHECK-MESSAGES-STRICT: :[[@LINE-1]]:1: warning: function 'fn0' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
67// CHECK-FIXES-STRICT: static int fn0(int i)
68{
69 return i - 1;
70}
71
72static constexpr inline int fn1(int i)
73// CHECK-MESSAGES: :[[@LINE-1]]:18: warning: function 'fn1' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
74// CHECK-FIXES: static constexpr int fn1(int i)
75{
76 return i - 1;
77}
78
79namespace
80{
81 inline int fn2(int i)
82 // CHECK-MESSAGES-STRICT: :[[@LINE-1]]:5: warning: function 'fn2' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
83 // CHECK-FIXES-STRICT: int fn2(int i)
84 {
85 return i - 1;
86 }
87
88 inline constexpr int fn3(int i)
89 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: function 'fn3' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
90 // CHECK-FIXES: constexpr int fn3(int i)
91 {
92 return i - 1;
93 }
94
95 inline constexpr int MY_CONSTEXPR_VAR = 42;
96 // CHECK-MESSAGES-STRICT: :[[@LINE-1]]:5: warning: variable 'MY_CONSTEXPR_VAR' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
97 // CHECK-FIXES-STRICT: constexpr int MY_CONSTEXPR_VAR = 42;
98}
99
100namespace ns
101{
102 inline int fn4(int i)
103 {
104 return i - 1;
105 }
106
107 inline constexpr int fn5(int i)
108 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: function 'fn5' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
109 // CHECK-FIXES: constexpr int fn5(int i)
110 {
111 return i - 1;
112 }
113}
114
115auto fn6 = [](){};
116
117template <typename T> inline T fn7();
118
119template <typename T> T fn7()
120{
121 return T{};
122}
123
124template <typename T> T fn8();
125
126template <typename T> inline T fn8()
127// CHECK-MESSAGES-STRICT: :[[@LINE-1]]:23: warning: function 'fn8' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
128// CHECK-FIXES-STRICT: template <typename T> T fn8()
129{
130 return T{};
131}
132
133#define INLINE_MACRO() inline void fn9() { }
134INLINE_MACRO()
135
136#define INLINE_KW inline
137INLINE_KW void fn10() { }
138
139namespace {
140class A
141{
142public:
143 static inline float test = 3.0F;
144 static inline double test2 = 3.0;
145 static inline int test3 = 3;
146
147 static inline float test4;
148 // CHECK-MESSAGES-STRICT: :[[@LINE-1]]:10: warning: variable 'test4' has inline specifier but is implicitly inlined [readability-redundant-inline-specifier]
149 // CHECK-FIXES-STRICT: static float test4;
150};
151}
152

source code of clang-tools-extra/test/clang-tidy/checkers/readability/redundant-inline-specifier.cpp