clang/test/Index/USR/func-type.cpp

   1 // RUN: c-index-test core -print-source-symbols -- %s | FileCheck %s
   2
   3 // Functions taking function pointer parameters with different signatures should result in unique USRs.
   4
   5 typedef void (*_VoidToVoidPtr_)();
   6 typedef void (*_IntToVoidPtr_)( int );
   7 typedef _VoidToVoidPtr_ (*IntTo_VoidToVoidPtr_Ptr)( int );
   8 typedef _IntToVoidPtr_ (*VoidTo_IntToVoidPtr_Ptr)();
   9
  10 void Func( IntTo_VoidToVoidPtr_Ptr );
  11 // CHECK: {{[0-9]+}}:6 | function/C | Func | c:@F@Func#*F*Fv()(#I)# |
  12 void Func( VoidTo_IntToVoidPtr_Ptr );
  13 // CHECK: {{[0-9]+}}:6 | function/C | Func | c:@F@Func#*F*Fv(#I)()# |
  14
  15 void Func( void (* (*)(int, int))(int, int) );
  16 // CHECK: {{[0-9]+}}:6 | function/C | Func | c:@F@Func#*F*Fv(#I#I)(#I#I)# |
  17 void Func( void (* (*)(int, int, int))(int) );
  18 // CHECK: {{[0-9]+}}:6 | function/C | Func | c:@F@Func#*F*Fv(#I)(#I#I#I)# |
  19
  20 // Functions with parameter types that only differ in top-level cv-qualification should generate the same USR.
  21
  22 void f( const int );
  23 // CHECK: {{[0-9]+}}:6 | function/C | f | c:@F@f#I# |
  24 void f( int );
  25 // CHECK: {{[0-9]+}}:6 | function/C | f | c:@F@f#I# |
  26
  27 void g( int );
  28 // CHECK: {{[0-9]+}}:6 | function/C | g | c:@F@g#I# |
  29 void g( const int );
  30 // CHECK: {{[0-9]+}}:6 | function/C | g | c:@F@g#I# |