forked from OSchip/llvm-project
123 lines
3.4 KiB
C++
123 lines
3.4 KiB
C++
// RUN: %check_clang_tidy %s readability-redundant-declaration %t -- \
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// RUN: -config="{CheckOptions: \
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// RUN: [{key: readability-redundant-declaration.IgnoreMacros, \
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// RUN: value: false}]}"
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//
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// With -fms-compatibility and -DEXTERNINLINE, the extern inline shouldn't
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// produce additional diagnostics, so same check suffix as before:
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// RUN: %check_clang_tidy %s readability-redundant-declaration %t -- \
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// RUN: -config="{CheckOptions: \
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// RUN: [{key: readability-redundant-declaration.IgnoreMacros, \
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// RUN: value: false}]}" -- -fms-compatibility -DEXTERNINLINE
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//
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// With -fno-ms-compatibility, DEXTERNINLINE causes additional output.
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// (The leading ',' means "default checks in addition to NOMSCOMPAT checks.)
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// RUN: %check_clang_tidy -check-suffix=,NOMSCOMPAT \
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// RUN: %s readability-redundant-declaration %t -- \
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// RUN: -config="{CheckOptions: \
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// RUN: [{key: readability-redundant-declaration.IgnoreMacros, \
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// RUN: value: false}]}" -- -fno-ms-compatibility -DEXTERNINLINE
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extern int Xyz;
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extern int Xyz; // Xyz
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// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: redundant 'Xyz' declaration [readability-redundant-declaration]
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// CHECK-FIXES: {{^}}// Xyz{{$}}
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int Xyz = 123;
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extern int A;
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extern int A, B;
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// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: redundant 'A' declaration
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// CHECK-FIXES: {{^}}extern int A, B;{{$}}
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extern int Buf[10];
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extern int Buf[10]; // Buf[10]
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// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: redundant 'Buf' declaration
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// CHECK-FIXES: {{^}}// Buf[10]{{$}}
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static int f();
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static int f(); // f
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// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: redundant 'f' declaration
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// CHECK-FIXES: {{^}}// f{{$}}
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static int f() {}
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// Original check crashed for the code below.
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namespace std {
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typedef decltype(sizeof(0)) size_t;
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}
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void *operator new(std::size_t) __attribute__((__externally_visible__));
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void *operator new[](std::size_t) __attribute__((__externally_visible__));
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// Don't warn about static member definition.
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struct C {
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static int I;
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};
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int C::I;
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template <class T>
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struct C2 {
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C2();
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};
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template <class T>
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C2<T>::C2() = default;
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void best_friend();
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struct Friendly {
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friend void best_friend();
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friend void enemy();
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};
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void enemy();
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template <typename>
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struct TemplateFriendly {
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template <typename T>
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friend void generic_friend();
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};
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template <typename T>
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void generic_friend() {}
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TemplateFriendly<int> template_friendly;
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template <typename>
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struct TemplateFriendly2 {
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template <typename T>
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friend void generic_friend2() {}
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};
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template <typename T>
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void generic_friend2();
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void generic_friend_caller() {
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TemplateFriendly2<int> f;
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generic_friend2<int>();
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}
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namespace macros {
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#define DECLARE(x) extern int x
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#define DEFINE(x) extern int x; int x = 42
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DECLARE(test);
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DEFINE(test);
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: redundant 'test' declaration
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// CHECK-FIXES: {{^}}#define DECLARE(x) extern int x{{$}}
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// CHECK-FIXES: {{^}}#define DEFINE(x) extern int x; int x = 42{{$}}
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// CHECK-FIXES: {{^}}DECLARE(test);{{$}}
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// CHECK-FIXES: {{^}}DEFINE(test);{{$}}
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} // namespace macros
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inline void g() {}
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inline void g(); // g
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// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: redundant 'g' declaration
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// CHECK-FIXES: {{^}}// g{{$}}
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#if defined(EXTERNINLINE)
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extern inline void g(); // extern g
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// CHECK-MESSAGES-NOMSCOMPAT: :[[@LINE-1]]:20: warning: redundant 'g' declaration
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// CHECK-FIXES-NOMSCOMPAT: {{^}}// extern g{{$}}
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#endif
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