50 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify -std=c++14 %s
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| 
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| #include <stddef.h>
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| 
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| struct tag {
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|   void operator "" _tag_bad (const char *); // expected-error {{literal operator 'operator""_tag_bad' must be in a namespace or global scope}}
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|   friend void operator "" _tag_good (const char *);
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| };
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| 
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| namespace ns { void operator "" _ns_good (const char *); }
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| 
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| // Check extern "C++" declarations
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| extern "C++" void operator "" _extern_good (const char *);
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| extern "C++" { void operator "" _extern_good (const char *); }
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| 
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| void fn () { void operator "" _fn_good (const char *); }
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| 
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| // One-param declarations (const char * was already checked)
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| void operator "" _good (char);
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| void operator "" _good (wchar_t);
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| void operator "" _good (char16_t);
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| void operator "" _good (char32_t);
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| void operator "" _good (unsigned long long);
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| void operator "" _good (long double);
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| 
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| // Two-param declarations
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| void operator "" _good (const char *, size_t);
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| void operator "" _good (const wchar_t *, size_t);
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| void operator "" _good (const char16_t *, size_t);
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| void operator "" _good (const char32_t *, size_t);
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| 
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| // Check typedef and array equivalences
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| void operator "" _good (const char[]);
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| typedef const char c;
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| void operator "" _good (c*);
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| 
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| // Check extra cv-qualifiers
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| void operator "" _cv_good (volatile const char *, const size_t); // expected-error {{invalid literal operator parameter type 'const volatile char *', did you mean 'const char *'?}}
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| 
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| // Template declaration
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| template <char...> void operator "" _good ();
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| 
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| template <typename...> void operator "" _invalid(); // expected-error {{template parameter list for literal operator must be either 'char...' or 'typename T, T...'}}
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| template <wchar_t...> void operator "" _invalid();  // expected-error {{template parameter list for literal operator must be either 'char...' or 'typename T, T...'}}
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| template <unsigned long long...> void operator "" _invalid();  // expected-error {{template parameter list for literal operator must be either 'char...' or 'typename T, T...'}}
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| 
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| _Complex float operator""if(long double); // expected-warning {{reserved}}
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| _Complex float test_if_1() { return 2.0f + 1.5if; };
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| void test_if_2() { "foo"if; } // expected-error {{no matching literal operator for call to 'operator""if'}}
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