4e80636db7
This adds the Unicode 13 data for XID_Start and XID_Continue. The definition of valid identifier is changed in all C++ modes as P1949 (https://wg21.link/p1949) was accepted by WG21 as a defect report.
59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
// 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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// Note: This file contains Unicode characters; please do not remove them!
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// Identifier characters
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extern char aǶ; // C11, C++11
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extern char aª; // C99, C11, C++11
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extern char a΄; // C++03, C11, C++11
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extern char a๐; // C99, C++03, C11, C++11
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extern char a﹅; // none
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extern char x̀; // C11, C++11. Note that this does not have a composed form.
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// Identifier initial characters
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extern char ๐; // C++03, C11, C++11
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extern char ̀; // disallowed initially in C11/C++, always in C99
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#if __cplusplus
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// expected-error@11 {{not allowed in an identifier}}
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// expected-error@13 {{not allowed in an identifier}}
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// expected-error@20 {{character <U+0E50> not allowed at the start of an identifier}}
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// expected-error@21 {{character <U+0300> not allowed at the start of an identifier}}
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// expected-warning@20 {{declaration does not declare anything}}
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// expected-warning@21 {{declaration does not declare anything}}
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#else
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# if __STDC_VERSION__ >= 201112L
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// C11
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// expected-warning@9 {{using this character in an identifier is incompatible with C99}}
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// expected-warning@11 {{using this character in an identifier is incompatible with C99}}
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// expected-error@13 {{not allowed in an identifier}}
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// expected-warning@14 {{using this character in an identifier is incompatible with C99}}
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// expected-warning@20 {{starting an identifier with this character is incompatible with C99}}
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// expected-warning@21 {{declaration does not declare anything}}
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// expected-error@21 {{not allowed at the start of an identifier}}
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# else
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// C99
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// expected-error@9 {{not allowed in an identifier}}
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// expected-error@11 {{not allowed in an identifier}}
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// expected-error@13 {{not allowed in an identifier}}
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// expected-error@14 {{not allowed in an identifier}}
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// expected-error@20 {{character <U+0E50> not allowed at the start of an identifier}}
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// expected-error@21 {{unexpected character <U+0300>}}
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// expected-warning@20 {{declaration does not declare anything}}
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// expected-warning@21 {{declaration does not declare anything}}
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# endif
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#endif
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