forked from OSchip/llvm-project
115 lines
5.4 KiB
C++
115 lines
5.4 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -std=c++20 -verify -Wreserved-identifier %s
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int foo__bar() { return 0; } // expected-warning {{identifier 'foo__bar' is reserved because it contains '__'}}
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static int _bar() { return 0; } // expected-warning {{identifier '_bar' is reserved because it starts with '_' at global scope}}
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static int _Bar() { return 0; } // expected-warning {{identifier '_Bar' is reserved because it starts with '_' followed by a capital letter}}
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int _barbouille() { return 0; } // expected-warning {{identifier '_barbouille' is reserved because it starts with '_' at global scope}}
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void foo(unsigned int _Reserved) { // expected-warning {{identifier '_Reserved' is reserved because it starts with '_' followed by a capital letter}}
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unsigned int __1 = // expected-warning {{identifier '__1' is reserved because it starts with '__'}}
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_Reserved; // no-warning
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}
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// This one is explicitly skipped by -Wreserved-identifier
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void *_; // no-warning
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template <class T> constexpr bool __toucan = true; // expected-warning {{identifier '__toucan' is reserved because it starts with '__'}}
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template <class T>
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concept _Barbotine = __toucan<T>; // expected-warning {{identifier '_Barbotine' is reserved because it starts with '_' followed by a capital letter}}
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template <class __> // expected-warning {{'__' is reserved because it starts with '__'}}
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struct BarbeNoire {};
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template <class _not_reserved> // no-warning
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struct BarbeJaune {};
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template <class __> // expected-warning {{'__' is reserved because it starts with '__'}}
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void BarbeRousse() {}
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namespace _Barbidur { // expected-warning {{identifier '_Barbidur' is reserved because it starts with '_' followed by a capital letter}}
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struct __barbidou {}; // expected-warning {{identifier '__barbidou' is reserved because it starts with '__'}}
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struct _barbidou {}; // no-warning
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int __barbouille; // expected-warning {{identifier '__barbouille' is reserved because it starts with '__'}}
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int _barbouille; // no-warning
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int __babar() { return 0; } // expected-warning {{identifier '__babar' is reserved because it starts with '__'}}
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int _babar() { return 0; } // no-warning
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} // namespace _Barbidur
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class __barbapapa { // expected-warning {{identifier '__barbapapa' is reserved because it starts with '__'}}
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void _barbabelle() {} // no-warning
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int _Barbalala; // expected-warning {{identifier '_Barbalala' is reserved because it starts with '_' followed by a capital letter}}
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};
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enum class __menu { // expected-warning {{identifier '__menu' is reserved because it starts with '__'}}
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__some, // expected-warning {{identifier '__some' is reserved because it starts with '__'}}
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_Other, // expected-warning {{identifier '_Other' is reserved because it starts with '_' followed by a capital letter}}
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_other // no-warning
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};
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enum _Menu { // expected-warning {{identifier '_Menu' is reserved because it starts with '_' followed by a capital letter}}
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_OtheR_, // expected-warning {{identifier '_OtheR_' is reserved because it starts with '_' followed by a capital letter}}
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_other_ // expected-warning {{identifier '_other_' is reserved because it starts with '_' at global scope}}
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};
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enum {
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__some, // expected-warning {{identifier '__some' is reserved because it starts with '__'}}
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_Other, // expected-warning {{identifier '_Other' is reserved because it starts with '_' followed by a capital letter}}
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_other // expected-warning {{identifier '_other' is reserved because it starts with '_' at global scope}}
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};
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static union {
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int _barbeFleurie; // no-warning
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};
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using _Barbamama = __barbapapa; // expected-warning {{identifier '_Barbamama' is reserved because it starts with '_' followed by a capital letter}}
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int foobar() {
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return foo__bar(); // no-warning
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}
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namespace {
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int _barbatruc; // no-warning
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}
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long double operator"" _BarbeBleue(long double) // expected-warning {{identifier '_BarbeBleue' is reserved because it starts with '_' followed by a capital letter}}
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{
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return 0.;
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}
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long double operator""_SacreBleu(long double) // no-warning
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{
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return 0.;
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}
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long double sacrebleu = operator"" _SacreBleu(1.2); // expected-warning {{identifier '_SacreBleu' is reserved because it starts with '_' followed by a capital letter}}
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long double sangbleu = operator""_SacreBleu(1.2); // no-warning
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void operator"" _lowercase(unsigned long long); // no-warning
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void operator""_lowercase(unsigned long long); // no-warning
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struct _BarbeRouge { // expected-warning {{identifier '_BarbeRouge' is reserved because it starts with '_' followed by a capital letter}}
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} p;
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struct _BarbeNoire { // expected-warning {{identifier '_BarbeNoire' is reserved because it starts with '_' followed by a capital letter}}
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} * q;
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struct Any {
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friend void _barbegrise(); // expected-warning {{identifier '_barbegrise' is reserved because it starts with '_' at global scope}}
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};
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#define _not_reserved
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#define _Reserved // expected-warning {{macro name is a reserved identifier}}
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#undef _not_reserved
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#undef _Reserved // expected-warning {{macro name is a reserved identifier}}
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namespace N {
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int _namespace_a;
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extern "C" int _namespace_b; // expected-warning {{identifier '_namespace_b' is reserved because it starts with '_' and has C language linkage}}
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void _namespace_c();
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extern "C" void _namespace_d(); // expected-warning {{identifier '_namespace_d' is reserved because it starts with '_' and has C language linkage}}
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}
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