| // RUN: %clang_cc1 -std=c2x -verify %s |
| |
| _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 a0 = 123'; //'; // expected-error {{expected ';'}} |
| int b0 = 0'xff; // expected-error {{digit separator cannot appear at end of digit sequence}} expected-error {{suffix 'xff' on integer}} |
| int c0 = 0x'ff; // expected-error {{suffix 'x'ff' on integer}} |
| int d0 = 0'1234; // ok, octal |
| int e0 = 0'b1010; // expected-error {{digit 'b' in octal constant}} |
| int f0 = 0b'1010; // expected-error {{invalid digit 'b' in octal}} |
| int h0 = 0x1e+1; // expected-error {{invalid suffix '+1' on integer constant}} |
| int i0 = 0x1'e+1; // ok, 'e+' is not recognized after a digit separator |
| |
| float a1 = 1'e1; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float b1 = 1'0e1; |
| float c1 = 1.'0e1; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float d1 = 1.0'e1; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float e1 = 1e'1; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float g1 = 0.'0; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float h1 = .'0; // '; // expected-error {{expected expression}}, lexed as . followed by character literal |
| float i1 = 0x.'0p0; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float j1 = 0x'0.0p0; // expected-error {{invalid suffix 'x'0.0p0'}} |
| float k1 = 0x0'.0p0; // '; // expected-error {{expected ';'}} |
| float l1 = 0x0.'0p0; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float m1 = 0x0.0'p0; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float n1 = 0x0.0p'0; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float p1 = 0'e1; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float q1 = 0'0e1; |
| float r1 = 0.'0e1; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float s1 = 0.0'e1; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float t1 = 0.0e'1; // expected-error {{digit separator cannot appear at start of digit sequence}} |
| float u1 = 0x.'p1f; // expected-error {{hexadecimal floating constant requires a significand}} |
| float v1 = 0e'f; // expected-error {{exponent has no digits}} |
| float w1 = 0x0p'f; // expected-error {{exponent has no digits}} |
| float x1 = 0'e+1; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| float y1 = 0x0'p+1; // expected-error {{digit separator cannot appear at end of digit sequence}} |
| |
| #line 123'456 |
| _Static_assert(__LINE__ == 123456, ""); |
| |
| // UCNs can appear before digit separators but not after. |
| int a2 = 0\u1234'5; // expected-error {{invalid suffix '\u1234'5' on integer constant}} |
| int b2 = 0'\u12345; // '; // expected-error {{expected ';'}} |
| |
| // extended characters can appear before digit separators but not after. |
| int a3 = 0ሴ'5; // expected-error {{invalid suffix 'ሴ'5' on integer constant}} |
| int b3 = 0'ሴ5; // '; // expected-error {{expected ';'}} |
| |
