clang-tools-extra/test/clang-tidy/readability-inconsistent-declaration-parameter-name-macros.cpp

   1 // RUN: %check_clang_tidy %s readability-inconsistent-declaration-parameter-name %t -- \
   2 // RUN:   -config="{CheckOptions: [{key: readability-inconsistent-declaration-parameter-name.IgnoreMacros, value: 0}]}" \
   3 // RUN:   -- -std=c++11
   4
   5 #define MACRO() \
   6   void f(int x)
   7
   8 struct S1 {
   9   MACRO();
  10   // CHECK-NOTES: :[[@LINE-1]]:3: warning: function 'S1::f' has a definition with different parameter names
  11   // CHECK-NOTES: :[[@LINE-5]]:8: note: expanded from macro 'MACRO'
  12   // CHECK-NOTES: :[[@LINE+4]]:10: note: the definition seen here
  13   // CHECK-NOTES: :[[@LINE-4]]:3: note: differing parameters are named here: ('x'), in definition: ('y')
  14   // CHECK-NOTES: :[[@LINE-8]]:8: note: expanded from macro 'MACRO'
  15 };
  16 void S1::f(int y) {}
  17
  18 struct S2 {
  19   int g() const;
  20   void set_g(int g);
  21   // CHECK-NOTES: :[[@LINE-1]]:8: warning: function 'S2::set_g' has a definition with different parameter names
  22   // CHECK-NOTES: :[[@LINE+14]]:1: note: the definition seen here
  23   // CHECK-NOTES: :[[@LINE+9]]:12: note: expanded from macro 'DEFINITION'
  24   // This one is unfortunate, but the location this points to is in a scratch
  25   // space, so it's not helpful to the user.
  26   // CHECK-NOTES: {{^}}note: expanded from here{{$}}
  27   // CHECK-NOTES: :[[@LINE-7]]:8: note: differing parameters are named here: ('g'), in definition: ('w')
  28 };
  29
  30 #define DEFINITION(name, parameter)    \
  31   int S2::name() const { return 0; }   \
  32   void S2::set_##name(int parameter) { \
  33     (void)parameter;                   \
  34   }
  35
  36 DEFINITION(g, w)
  37
  38 //////////////////////////////////////////////////////
  39
  40 #define DECLARE_FUNCTION_WITH_PARAM_NAME(function_name, param_name) \
  41   void function_name(int param_name)
  42
  43 // CHECK-NOTES: :[[@LINE+1]]:34: warning: function 'macroFunction' has 1 other declaration with different parameter names [readability-inconsistent-declaration-parameter-name]
  44 DECLARE_FUNCTION_WITH_PARAM_NAME(macroFunction, a);
  45 // CHECK-NOTES: :[[@LINE+2]]:34: note: the 1st inconsistent declaration seen here
  46 // CHECK-NOTES: :[[@LINE+1]]:34: note: differing parameters are named here: ('b'), in the other declaration: ('a')
  47 DECLARE_FUNCTION_WITH_PARAM_NAME(macroFunction, b);