clang/test/Parser/compound-token-split.cpp

   1 // RUN: %clang_cc1 %s -verify
   2 // RUN: %clang_cc1 %s -verify=expected,space -Wcompound-token-split
   3
   4 // Ensure we get the same warnings after -frewrite-includes
   5 // RUN: %clang_cc1 %s -E -frewrite-includes -o %t
   6 // RUN: %clang_cc1 -x c++ %t -verify=expected,space -Wcompound-token-split
   7
   8 #ifdef LSQUARE
   9 [
  10 #else
  11
  12 #define VAR(type, name, init) type name = (init)
  13
  14 void f() {
  15   VAR(int, x, {}); // #1
  16   // expected-warning@#1 {{'(' and '{' tokens introducing statement expression appear in different macro expansion contexts}}
  17   // expected-note-re@#1 {{{{^}}'{' token is here}}
  18   //
  19   // FIXME: It would be nice to suppress this when we already warned about the opening '({'.
  20   // expected-warning@#1 {{'}' and ')' tokens terminating statement expression appear in different macro expansion contexts}}
  21   // expected-note-re@#1 {{{{^}}')' token is here}}
  22   //
  23   // expected-error@#1 {{cannot initialize a variable of type 'int' with an rvalue of type 'void'}}
  24 }
  25
  26 #define RPAREN )
  27
  28 int f2() {
  29   int n = ({ 1; }RPAREN; // expected-warning {{'}' and ')' tokens terminating statement expression appear in different macro expansion contexts}} expected-note {{')' token is here}}
  30   return n;
  31 }
  32
  33 [ // space-warning-re {{{{^}}'[' tokens introducing attribute are separated by whitespace}}
  34 #define LSQUARE
  35 #include __FILE__
  36   noreturn ]]  void g();
  37
  38 [[noreturn] ] void h(); // space-warning-re {{{{^}}']' tokens terminating attribute are separated by whitespace}}
  39
  40 struct X {};
  41 int X:: *p; // space-warning {{'::' and '*' tokens forming pointer to member type are separated by whitespace}}
  42
  43 #endif