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79 lines
2.4 KiB
79 lines
2.4 KiB
4 months ago
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// RUN: %clang_cc1 %s -fsyntax-only -std=c99 -verify
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// RUN: %clang_cc1 %s -fsyntax-only -std=c11 -Wc99-compat -verify
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// RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++03 -Wc++11-compat -verify
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// RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++11 -Wc++98-compat -verify
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// Identifier characters
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extern char a\u01F6; // C11, C++11
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extern char a\u00AA; // C99, C11, C++11
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extern char a\u0384; // C++03, C11, C++11
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extern char a\u0E50; // C99, C++03, C11, C++11
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extern char a\uFFFF; // none
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// Identifier initial characters
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extern char \u0E50; // C++03, C11, C++11
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extern char \u0300; // disallowed initially in C11/C++11, always in C99/C++03
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extern char \u0D61; // C99, C11, C++03, C++11
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// Disallowed everywhere
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#define A \u0000 // expected-error{{control character}}
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#define B \u001F // expected-error{{control character}}
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#define C \u007F // expected-error{{control character}}
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#define D \u009F // expected-error{{control character}}
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#define E \uD800 // C++03 allows UCNs representing surrogate characters!
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#if __cplusplus
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# if __cplusplus >= 201103L
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// C++11
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// expected-warning@7 {{using this character in an identifier is incompatible with C++98}}
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// expected-warning@8 {{using this character in an identifier is incompatible with C++98}}
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// expected-error@11 {{expected ';'}}
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// expected-error@19 {{expected unqualified-id}}
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// expected-error@33 {{invalid universal character}}
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# else
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// C++03
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// expected-error@7 {{expected ';'}}
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// expected-error@8 {{expected ';'}}
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// expected-error@11 {{expected ';'}}
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// expected-error@19 {{expected unqualified-id}}
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// expected-warning@33 {{universal character name refers to a surrogate character}}
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# endif
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#else
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# if __STDC_VERSION__ >= 201112L
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// C11
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// expected-warning@7 {{using this character in an identifier is incompatible with C99}}
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// expected-warning@9 {{using this character in an identifier is incompatible with C99}}
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// expected-error@11 {{expected ';'}}
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// expected-warning@18 {{starting an identifier with this character is incompatible with C99}}
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// expected-error@19 {{expected identifier}}
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// expected-error@33 {{invalid universal character}}
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# else
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// C99
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// expected-error@7 {{expected ';'}}
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// expected-error@9 {{expected ';'}}
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// expected-error@11 {{expected ';'}}
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// expected-error@18 {{expected identifier}}
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// expected-error@19 {{expected identifier}}
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// expected-error@33 {{invalid universal character}}
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# endif
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#endif
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