clang/test/ASTMerge/exprs-cpp/Inputs/exprs3.cpp

   1 // Integer literals
   2 const char Ch1 = 'a';
   3 const signed char Ch2 = 'b';
   4 const unsigned char Ch3 = 'c';
   5
   6 const wchar_t Ch4 = L'd';
   7 const signed wchar_t Ch5 = L'e';
   8 const unsigned wchar_t Ch6 = L'f';
   9
  10 const short C1 = 12;
  11 const unsigned short C2 = 13;
  12
  13 const int C3 = 12;
  14 const unsigned int C4 = 13;
  15
  16 const long C5 = 22;
  17 const unsigned long C6 = 23;
  18
  19 const long long C7 = 66;
  20 const unsigned long long C8 = 67;
  21
  22
  23 // String literals
  24 const char str1[] = "ABCD";
  25 const char str2[] = "ABCD" "0123";
  26
  27 const wchar_t wstr1[] = L"DEF";
  28 const wchar_t wstr2[] = L"DEF" L"123";
  29
  30
  31 // Boolean literals
  32 const bool bval1 = true;
  33 const bool bval2 = false;
  34
  35 // Floating Literals
  36 const float F1 = 12.2F;
  37 const double F2 = 1E4;
  38 const long double F3 = 1.2E-3L;
  39
  40
  41 // nullptr literal
  42 const void *vptr = nullptr;
  43
  44
  45 int glb_1[4] = { 10, 20, 30, 40 };
  46
  47 struct S1 {
  48   int a;
  49   int b[3];
  50 };
  51
  52 struct S2 {
  53   int c;
  54   S1 d;
  55 };
  56
  57 S2 glb_2 = { 22, .d.a = 44, .d.b[0] = 55, .d.b[1] = 66 };
  58
  59 void testNewThrowDelete() {
  60   throw;
  61   char *p = new char[10];
  62   delete[] p;
  63 }
  64
  65 int testArrayElement(int *x, int n) {
  66   return x[n];
  67 }
  68
  69 int testTernaryOp(int c, int x, int y) {
  70   return c ? x : y;
  71 }
  72
  73 S1 &testConstCast(const S1 &x) {
  74   return const_cast<S1&>(x);
  75 }
  76
  77 S1 &testStaticCast(S1 &x) {
  78   return static_cast<S1&>(x);
  79 }
  80
  81 S1 &testReinterpretCast(S1 &x) {
  82   return reinterpret_cast<S1&>(x);
  83 }
  84
  85 S1 &testDynamicCast(S1 &x) {
  86   return dynamic_cast<S1&>(x);
  87 }
  88
  89 int testScalarInit(int x) {
  90   return int(x);
  91 }
  92
  93 struct S {
  94   float f;
  95   double d;
  96 };
  97 struct T {
  98   int i;
  99   struct S s[10];
 100 };
 101
 102 void testOffsetOf() {
 103   __builtin_offsetof(struct T, s[2].d);
 104 }
 105
 106
 107 int testDefaultArg(int a = 2*2) {
 108   return a;
 109 }
 110
 111 int testDefaultArgExpr() {
 112   return testDefaultArg();
 113 }
 114
 115 template <typename T> // T has TemplateTypeParmType
 116 void testTemplateTypeParmType(int i);
 117
 118 void useTemplateType() {
 119   testTemplateTypeParmType<char>(4);
 120 }
 121
 122 const bool ExpressionTrait = __is_lvalue_expr(1);
 123 const unsigned ArrayRank = __array_rank(int[10][20]);
 124 const unsigned ArrayExtent = __array_extent(int[10][20], 1);
 125
 126 constexpr int testLambdaAdd(int toAdd) {
 127   const int Captured1 = 1, Captured2 = 2;
 128   constexpr auto LambdaAdd = [Captured1, Captured2](int k) -> int {
 129     return Captured1 + Captured2 + k;
 130   };
 131   return LambdaAdd(toAdd);
 132 }
 133
 134 template<typename T>
 135 struct TestLambdaTemplate {
 136   T i, j;
 137   TestLambdaTemplate(T i, const T &j) : i(i), j(j) {}
 138   T testLambda(T k) {
 139     return [this](T k) -> decltype(auto) { return i + j + k; }(k);
 140   }
 141 };