clang/test/Lexer/raw-string-ext.c

   1 // RUN: %clang_cc1 -fsyntax-only -std=gnu11 -verify=supported %s
   2 // RUN: %clang_cc1 -fsyntax-only -std=c11 -DUNICODE -fraw-string-literals -verify=supported %s
   3 // RUN: %clang_cc1 -fsyntax-only -std=gnu89 -verify=unsupported %s
   4 // RUN: %clang_cc1 -fsyntax-only -std=c11 -DUNICODE -verify=unsupported %s
   5 // RUN: %clang_cc1 -fsyntax-only -std=gnu11 -DUNICODE -fno-raw-string-literals -verify=unsupported %s
   6
   7 // RUN: %clang_cc1 -x c++ -fsyntax-only -Wno-unused -std=c++03 -verify=unsupported,cxx-unsupported %s
   8 // RUN: %clang_cc1 -x c++ -fsyntax-only -Wno-unused -std=gnu++03 -verify=unsupported,cxx-unsupported %s
   9 // RUN: %clang_cc1 -x c++ -fsyntax-only -Wno-unused -std=c++03 -fraw-string-literals -verify=supported %s
  10 // RUN: %clang_cc1 -x c++ -fsyntax-only -Wno-unused -std=gnu++03 -fraw-string-literals -verify=supported %s
  11 // RUN: %clang_cc1 -x c++ -fsyntax-only -Wno-unused -std=c++11 -DUNICODE -verify=supported,cxx %s
  12 // RUN: %clang_cc1 -x c++ -fsyntax-only -Wno-unused -std=gnu++11 -DUNICODE -verify=supported,cxx %s
  13 // RUN: %clang_cc1 -x c++ -fsyntax-only -Wno-unused -std=c++11 -DUNICODE -fraw-string-literals -verify=supported,yes %s
  14 // RUN: %clang_cc1 -x c++ -fsyntax-only -Wno-unused -std=gnu++11 -DUNICODE -fraw-string-literals -verify=supported,yes %s
  15 // RUN: %clang_cc1 -x c++ -fsyntax-only -Wno-unused -std=c++11 -DUNICODE -fno-raw-string-literals -verify=supported,no %s
  16 // RUN: %clang_cc1 -x c++ -fsyntax-only -Wno-unused -std=gnu++11 -DUNICODE -fno-raw-string-literals -verify=supported,no %s
  17
  18 // GCC supports raw string literals in C99 and later in '-std=gnuXY' mode; we
  19 // additionally provide '-f[no-]raw-string-literals' to enable/disable them
  20 // explicitly in C.
  21 //
  22 // We do not allow disabling raw string literals in C++ mode if they’re enabled
  23 // by the language standard, i.e. in C++11 or later.
  24
  25 // Driver warnings.
  26 // yes-warning@* {{ignoring '-fraw-string-literals'}}
  27 // no-warning@* {{ignoring '-fno-raw-string-literals'}}
  28
  29 void f() {
  30   (void) R"foo()foo"; // unsupported-error {{use of undeclared identifier 'R'}} cxx-unsupported-error {{expected ';' after expression}}
  31   (void) LR"foo()foo"; // unsupported-error {{use of undeclared identifier 'LR'}} cxx-unsupported-error {{expected ';' after expression}}
  32
  33 #ifdef UNICODE
  34   (void) uR"foo()foo"; // unsupported-error {{use of undeclared identifier 'uR'}} cxx-unsupported-error {{expected ';' after expression}}
  35   (void) u8R"foo()foo"; // unsupported-error {{use of undeclared identifier 'u8R'}} cxx-unsupported-error {{expected ';' after expression}}
  36   (void) UR"foo()foo"; // unsupported-error {{use of undeclared identifier 'UR'}} cxx-unsupported-error {{expected ';' after expression}}
  37 #endif
  38 }
  39
  40 // supported-error@* {{missing terminating delimiter}}
  41 // supported-error@* {{expected expression}}
  42 // supported-error@* {{expected ';' after top level declarator}}
  43 #define R "bar"
  44 const char* s =  R"foo(";