| 1 | // RUN: %clang_cc1 %s -fsyntax-only -std=c99 -verify |
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| 2 | // RUN: %clang_cc1 %s -fsyntax-only -std=c11 -Wc99-compat -verify |
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| 3 | // RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++03 -Wc++11-compat -verify |
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| 4 | // RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++11 -Wc++98-compat -verify |
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| 5 | |
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| 6 | // Identifier characters |
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| 7 | extern char a\u01F6; // C11, C++11 |
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| 8 | extern char a\u00AA; // C99, C11, C++11 |
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| 9 | extern char a\u0384; // C++03, C11, C++11 |
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| 10 | extern char a\u0E50; // C99, C++03, C11, C++11 |
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| 11 | extern char a\uFFFF; // none |
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| 12 | |
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| 13 | |
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| 14 | |
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| 15 | |
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| 16 | |
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| 17 | // Identifier initial characters |
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| 18 | extern char \u0E50; // C++03, C11, C++11 |
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| 19 | extern char \u0300; // disallowed initially in C11/C++11, always in C99/C++03 |
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| 20 | extern char \u0D61; // C99, C11, C++03, C++11 |
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| 21 | |
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| 22 | |
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| 23 | |
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| 24 | |
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| 25 | |
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| 26 | |
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| 27 | |
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| 28 | // Disallowed everywhere |
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| 29 | #define A \u0000 // expected-error{{control character}} |
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| 30 | #define B \u001F // expected-error{{control character}} |
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| 31 | #define C \u007F // expected-error{{control character}} |
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| 32 | #define D \u009F // expected-error{{control character}} |
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| 33 | #define E \uD800 // C++03 allows UCNs representing surrogate characters! |
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| 34 | |
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| 35 | |
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| 36 | |
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| 37 | |
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| 38 | |
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| 39 | |
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| 40 | #if __cplusplus |
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| 41 | # if __cplusplus >= 201103L |
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| 42 | // C++11 |
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| 43 | // expected-warning@7 {{using this character in an identifier is incompatible with C++98}} |
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| 44 | // expected-warning@8 {{using this character in an identifier is incompatible with C++98}} |
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| 45 | // expected-error@11 {{expected ';'}} |
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| 46 | // expected-error@19 {{expected unqualified-id}} |
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| 47 | // expected-error@33 {{invalid universal character}} |
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| 48 | |
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| 49 | # else |
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| 50 | // C++03 |
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| 51 | // expected-error@7 {{expected ';'}} |
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| 52 | // expected-error@8 {{expected ';'}} |
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| 53 | // expected-error@11 {{expected ';'}} |
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| 54 | // expected-error@19 {{expected unqualified-id}} |
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| 55 | // expected-warning@33 {{universal character name refers to a surrogate character}} |
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| 56 | |
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| 57 | # endif |
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| 58 | #else |
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| 59 | # if __STDC_VERSION__ >= 201112L |
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| 60 | // C11 |
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| 61 | // expected-warning@7 {{using this character in an identifier is incompatible with C99}} |
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| 62 | // expected-warning@9 {{using this character in an identifier is incompatible with C99}} |
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| 63 | // expected-error@11 {{expected ';'}} |
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| 64 | // expected-warning@18 {{starting an identifier with this character is incompatible with C99}} |
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| 65 | // expected-error@19 {{expected identifier}} |
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| 66 | // expected-error@33 {{invalid universal character}} |
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| 67 | |
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| 68 | # else |
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| 69 | // C99 |
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| 70 | // expected-error@7 {{expected ';'}} |
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| 71 | // expected-error@9 {{expected ';'}} |
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| 72 | // expected-error@11 {{expected ';'}} |
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| 73 | // expected-error@18 {{expected identifier}} |
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| 74 | // expected-error@19 {{expected identifier}} |
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| 75 | // expected-error@33 {{invalid universal character}} |
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| 76 | |
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| 77 | # endif |
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| 78 | #endif |
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| 79 | |
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