clang-tools-extra/pseudo/test/cxx/literals.cpp

   1 // RUN: clang-pseudo -grammar=cxx -source=%s --print-forest -forest-abbrev=0 | FileCheck %s --implicit-check-not=ambiguous
   2 auto list = {
   3   0,      // CHECK: := integer-literal
   4   0b1011, // CHECK: := integer-literal
   5   0777,   // CHECK: := integer-literal
   6   42_u,   // CHECK: := user-defined-integer-literal
   7   0LL,    // CHECK: := integer-literal
   8   0h,     // CHECK: := user-defined-integer-literal
   9   0.,     // CHECK: := floating-point-literal
  10   .2,     // CHECK: := floating-point-literal
  11   2e1,    // CHECK: := floating-point-literal
  12   0x42d,  // CHECK: := integer-literal
  13   0x42_d, // CHECK: := user-defined-integer-literal
  14   0x42ds, // CHECK: := user-defined-integer-literal
  15   0x1.2p2,// CHECK: := floating-point-literal
  16
  17   "",               // CHECK: literal := string-literal
  18   L"",              // CHECK: literal := string-literal
  19   u8"",             // CHECK: literal := string-literal
  20   u"",              // CHECK: literal := string-literal
  21   U"",              // CHECK: literal := string-literal
  22   R"()",            // CHECK: literal := string-literal
  23   uR"()",           // CHECK: literal := string-literal
  24   "a" "b",          // CHECK: literal := string-literal
  25   u8"a" "b",        // CHECK: literal := string-literal
  26   u"a" u"b",        // CHECK: literal := string-literal
  27   "a"_u "b",        // CHECK: user-defined-literal := user-defined-string-literal
  28   "a"_u u"b",       // CHECK: user-defined-literal := user-defined-string-literal
  29   R"(a)" "\n",      // CHECK: literal := string-literal
  30   R"c(a)c"_u u"\n", // CHECK: user-defined-literal := user-defined-string-literal
  31
  32   'a',      // CHECK: := character-literal
  33   'abc',    // CHECK: := character-literal
  34   'abcdef', // CHECK: := character-literal
  35   u'a',     // CHECK: := character-literal
  36   U'a',     // CHECK: := character-literal
  37   L'a',     // CHECK: := character-literal
  38   L'abc',   // CHECK: := character-literal
  39   U'\u1234',// CHECK: := character-literal
  40   '\u1234', // CHECK: := character-literal
  41   u'a'_u,   // CHECK: := user-defined-character-literal
  42 };
  43