1// RUN: %check_clang_tidy %s misc-use-internal-linkage %t -- -- -I%S/Inputs/use-internal-linkage
2// RUN: %check_clang_tidy %s misc-use-internal-linkage %t -- \
3// RUN: -config="{CheckOptions: {misc-use-internal-linkage.FixMode: 'UseStatic'}}" -- -I%S/Inputs/use-internal-linkage
4
5#include "func.h"
6
7void func() {}
8// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: function 'func'
9// CHECK-FIXES: static void func() {}
10
11template<class T>
12void func_template() {}
13// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: function 'func_template'
14// CHECK-FIXES: static void func_template() {}
15
16void func_cpp_inc() {}
17// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: function 'func_cpp_inc'
18// CHECK-FIXES: static void func_cpp_inc() {}
19
20int* func_cpp_inc_return_ptr() { return nullptr; }
21// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: function 'func_cpp_inc_return_ptr'
22// CHECK-FIXES: static int* func_cpp_inc_return_ptr() { return nullptr; }
23
24const int* func_cpp_inc_return_const_ptr() { return nullptr; }
25// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: function 'func_cpp_inc_return_const_ptr'
26// CHECK-FIXES: static const int* func_cpp_inc_return_const_ptr() { return nullptr; }
27
28int const* func_cpp_inc_return_ptr_const() { return nullptr; }
29// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: function 'func_cpp_inc_return_ptr_const'
30// CHECK-FIXES: static int const* func_cpp_inc_return_ptr_const() { return nullptr; }
31
32int * const func_cpp_inc_return_const() { return nullptr; }
33// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: function 'func_cpp_inc_return_const'
34// CHECK-FIXES: static int * const func_cpp_inc_return_const() { return nullptr; }
35
36volatile const int* func_cpp_inc_return_volatile_const_ptr() { return nullptr; }
37// CHECK-MESSAGES: :[[@LINE-1]]:21: warning: function 'func_cpp_inc_return_volatile_const_ptr'
38// CHECK-FIXES: static volatile const int* func_cpp_inc_return_volatile_const_ptr() { return nullptr; }
39
40[[nodiscard]] void func_nodiscard() {}
41// CHECK-MESSAGES: :[[@LINE-1]]:20: warning: function 'func_nodiscard'
42// CHECK-FIXES: {{\[\[nodiscard\]\]}} static void func_nodiscard() {}
43
44#define NDS [[nodiscard]]
45#define NNDS
46
47NDS void func_nds() {}
48// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: function 'func_nds'
49// CHECK-FIXES: NDS static void func_nds() {}
50
51NNDS void func_nnds() {}
52// CHECK-MESSAGES: :[[@LINE-1]]:11: warning: function 'func_nnds'
53// CHECK-FIXES: NNDS static void func_nnds() {}
54
55#include "func_cpp.inc"
56
57void func_h_inc() {}
58
59struct S {
60 void method();
61};
62void S::method() {}
63
64void func_header() {}
65extern void func_extern() {}
66static void func_static() {}
67namespace {
68void func_anonymous_ns() {}
69} // namespace
70
71int main(int argc, const char*argv[]) {}
72
73extern "C" {
74void func_extern_c_1() {}
75}
76
77extern "C" void func_extern_c_2() {}
78
79namespace gh117488 {
80void func_with_body();
81// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: function 'func_with_body'
82// CHECK-FIXES: static void func_with_body();
83void func_with_body() {}
84
85void func_without_body();
86void func_without_body();
87}
88
89// gh117489 start
90namespace std {
91using size_t = decltype(sizeof(int));
92}
93void * operator new(std::size_t) { return nullptr; }
94void * operator new[](std::size_t) { return nullptr; }
95void operator delete(void*) noexcept {}
96void operator delete[](void*) noexcept {}
97// gh117489 end
98

source code of clang-tools-extra/test/clang-tidy/checkers/misc/use-internal-linkage-func.cpp