| // RUN: %clang_cc1 -std=c++1y -verify %s |
| |
| int operator""ms(unsigned long long); // expected-warning {{reserved}} |
| float operator""ms(long double); // expected-warning {{reserved}} |
| |
| int operator""_foo(unsigned long long); |
| |
| namespace integral { |
| static_assert(1'2'3 == 12'3, ""); |
| static_assert(1'000'000 == 0xf'4240, ""); |
| static_assert(0'004'000'000 == 0x10'0000, ""); |
| static_assert(0b0101'0100 == 0x54, ""); |
| |
| int a = 123'; //'; // expected-error {{expected ';'}} |
| int b = 0'xff; // expected-error {{digit separator cannot appear at end of digit sequence}} expected-error {{suffix 'xff' on integer}} |
| int c = 0x'ff; // expected-error {{suffix 'x'ff' on integer}} |
| int d = 0'1234; // ok, octal |
| int e = 0'b1010; // expected-error {{digit 'b' in octal constant}} |
| int f = 0b'1010; // expected-error {{invalid digit 'b' in octal}} |
| int g = 123'ms; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| int h = 0x1e+1; // expected-error {{invalid suffix '+1' on integer constant}} |
| int i = 0x1'e+1; // ok, 'e+' is not recognized after a digit separator |
| |
| int z = 0'123'_foo; //'; // expected-error {{cannot appear at end of digit seq}} |
| } |
| |
| namespace floating { |
| static_assert(0'123.456'7 == 123.4567, ""); |
| static_assert(1e1'0 == 10'000'000'000, ""); |
| |
| float a = 1'e1; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float b = 1'0e1; |
| float c = 1.'0e1; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float d = 1.0'e1; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float e = 1e'1; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float f = 1e1'ms; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float g = 0.'0; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float h = .'0; // '; // expected-error {{expected expression}}, lexed as . followed by character literal |
| float i = 0x.'0p0; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float j = 0x'0.0p0; // expected-error {{invalid suffix 'x'0.0p0'}} |
| float k = 0x0'.0p0; // '; // expected-error {{expected ';'}} |
| float l = 0x0.'0p0; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float m = 0x0.0'p0; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float n = 0x0.0p'0; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float o = 0x0.0p0'ms; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float p = 0'e1; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float q = 0'0e1; |
| float r = 0.'0e1; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float s = 0.0'e1; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float t = 0.0e'1; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| } |
| |
| #line 123'456 |
| static_assert(__LINE__ == 123456, ""); |
| |
| // x has value 0 in C++11 and 34 in C++1y. |
| #define M(x, ...) __VA_ARGS__ |
| constexpr int x = { M(1'2,3'4) }; |
| static_assert(x == 34, ""); |
| |
| namespace UCNs { |
| // UCNs can appear before digit separators but not after. |
| int a = 0\u1234'5; // expected-error {{invalid suffix '\u1234'5' on integer constant}} |
| int b = 0'\u12345; // '; // expected-error {{expected ';'}} |
| constexpr int c {M(0\u1234'0,0'1)}; |
| constexpr int d {M(00'\u1234,0'1)}; |
| static_assert(c == 1, ""); |
| static_assert(d == 0, ""); |
| } |
| |
| namespace UTF8 { |
| // extended characters can appear before digit separators but not after. |
| int a = 0ሴ'5; // expected-error {{invalid suffix 'ሴ'5' on integer constant}} |
| int b = 0'ሴ5; // '; // expected-error {{expected ';'}} |
| constexpr int c {M(0ሴ'0,0'1)}; |
| constexpr int d {M(00'ሴ,0'1)}; |
| static_assert(c == 1, ""); |
| static_assert(d == 0, ""); |
| } |