| // RUN: %clang_cc1 %s -fsyntax-only -std=c99 -verify |
| // RUN: %clang_cc1 %s -fsyntax-only -std=c11 -Wc99-compat -verify |
| // RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++03 -Wc++11-compat -verify |
| // RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++11 -Wc++98-compat -verify |
| |
| // Note: This file contains Unicode characters; please do not remove them! |
| |
| // Identifier characters |
| extern char aǶ; // C11, C++11 |
| extern char aª; // C99, C11, C++11 |
| extern char a΄; // C++03, C11, C++11 |
| extern char a๐; // C99, C++03, C11, C++11 |
| extern char a﹅; // none |
| extern char x̀; // C11, C++11. Note that this does not have a composed form. |
| |
| |
| |
| |
| // Identifier initial characters |
| extern char ๐; // C++03, C11, C++11 |
| extern char ̀; // disallowed initially in C11/C++, always in C99 |
| |
| |
| |
| |
| #if __cplusplus |
| // expected-error@11 {{not allowed in an identifier}} |
| // expected-error@13 {{not allowed in an identifier}} |
| // expected-error@20 {{character <U+0E50> not allowed at the start of an identifier}} |
| // expected-error@21 {{character <U+0300> not allowed at the start of an identifier}} |
| // expected-warning@20 {{declaration does not declare anything}} |
| // expected-warning@21 {{declaration does not declare anything}} |
| |
| #else |
| # if __STDC_VERSION__ >= 201112L |
| // C11 |
| // expected-warning@9 {{using this character in an identifier is incompatible with C99}} |
| // expected-warning@11 {{using this character in an identifier is incompatible with C99}} |
| // expected-error@13 {{not allowed in an identifier}} |
| // expected-warning@14 {{using this character in an identifier is incompatible with C99}} |
| // expected-warning@20 {{starting an identifier with this character is incompatible with C99}} |
| // expected-warning@21 {{declaration does not declare anything}} |
| // expected-error@21 {{not allowed at the start of an identifier}} |
| |
| # else |
| // C99 |
| // expected-error@9 {{not allowed in an identifier}} |
| // expected-error@11 {{not allowed in an identifier}} |
| // expected-error@13 {{not allowed in an identifier}} |
| // expected-error@14 {{not allowed in an identifier}} |
| // expected-error@20 {{character <U+0E50> not allowed at the start of an identifier}} |
| // expected-error@21 {{unexpected character <U+0300>}} |
| // expected-warning@20 {{declaration does not declare anything}} |
| // expected-warning@21 {{declaration does not declare anything}} |
| |
| |
| # endif |
| #endif |
