File: cppcoreguidelines-macro-usage.cpp

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// RUN: %check_clang_tidy %s cppcoreguidelines-macro-usage %t -- -header-filter=.* -system-headers --

#ifndef INCLUDE_GUARD
#define INCLUDE_GUARD

#define PROBLEMATIC_CONSTANT 0
// CHECK-MESSAGES: [[@LINE-1]]:9: warning: macro 'PROBLEMATIC_CONSTANT' used to declare a constant; consider using a 'constexpr' constant

#define PROBLEMATIC_FUNCTION(x, y) ((a) > (b) ? (a) : (b))
// CHECK-MESSAGES: [[@LINE-1]]:9: warning: function-like macro 'PROBLEMATIC_FUNCTION' used; consider a 'constexpr' template function

#define PROBLEMATIC_VARIADIC(...) (__VA_ARGS__)
// CHECK-MESSAGES: [[@LINE-1]]:9: warning: variadic macro 'PROBLEMATIC_VARIADIC' used; consider using a 'constexpr' variadic template function

#define PROBLEMATIC_VARIADIC2(x, ...) (__VA_ARGS__)
// CHECK-MESSAGES: [[@LINE-1]]:9: warning: variadic macro 'PROBLEMATIC_VARIADIC2' used; consider using a 'constexpr' variadic template function

#endif