| // RUN: %clang_cc1 %s -fsyntax-only -std=c99 -verify |
| // RUN: %clang_cc1 %s -fsyntax-only -std=c2x -Wc99-compat -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 |
| |
| // Identifier characters |
| extern char a\u01F6; // C11, C++11 |
| extern char a\u00AA; // C99, C11, C++11 |
| extern char a\u0384; // C++03, C11, C++11 |
| extern char a\u0E50; // C99, C++03, C11, C++11 |
| extern char a\uFFFF; // none |
| |
| |
| |
| |
| // Identifier initial characters |
| extern char \u0E50; // C++03, C11, C++11 |
| extern char \u0300; // disallowed in C99/C++03 |
| extern char \u0D61; // C99, C11, C++03, C++11 |
| |
| |
| |
| |
| |
| |
| |
| // Disallowed everywhere |
| #define A \u0000 // expected-error{{control character}} |
| #define B \u001F // expected-error{{control character}} |
| #define C \u007F // expected-error{{control character}} |
| #define D \u009F // expected-error{{control character}} |
| #define E \uD800 // C++03 allows UCNs representing surrogate characters! |
| |
| |
| |
| |
| |
| |
| #if __cplusplus |
| // expected-error@10 {{character <U+0384> not allowed in an identifier}} |
| // expected-error@12 {{character <U+FFFF> not allowed in an identifier}} |
| // expected-error@18 {{expected unqualified-id}} |
| # if __cplusplus >= 201103L |
| // C++11 |
| // expected-error@19 {{expected unqualified-id}} |
| // expected-error@33 {{invalid universal character}} |
| |
| # else |
| // C++03 |
| // expected-error@19 {{expected unqualified-id}} |
| // expected-warning@33 {{universal character name refers to a surrogate character}} |
| |
| # endif |
| #else |
| # if __STDC_VERSION__ >= 202311L |
| // C23 |
| // expected-warning@8 {{using this character in an identifier is incompatible with C99}} |
| // expected-error@10 {{character <U+0384> not allowed in an identifier}} |
| // expected-error@12 {{character <U+FFFF> not allowed in an identifier}} |
| // expected-error@18 {{expected identifier}} |
| // expected-error@19 {{expected identifier}} |
| // expected-error@33 {{invalid universal character}} |
| # elif __STDC_VERSION__ >= 201112L |
| // C11 |
| // expected-warning@8 {{using this character in an identifier is incompatible with C99}} |
| // expected-warning@10 {{using this character in an identifier is incompatible with C99}} |
| // expected-error@12 {{character <U+FFFF> not allowed in an identifier}} |
| // expected-warning@18 {{starting an identifier with this character is incompatible with C99}} |
| // expected-error@19 {{expected identifier}} |
| // expected-error@33 {{invalid universal character}} |
| |
| # else |
| // C99 |
| // expected-error@8 {{not allowed in an identifier}} |
| // expected-error@10 {{not allowed in an identifier}} |
| // expected-error@12 {{not allowed in an identifier}} |
| // expected-error@18 {{expected identifier}} |
| // expected-error@19 {{expected identifier}} |
| // expected-error@33 {{invalid universal character}} |
| |
| # endif |
| #endif |
| |
| #define AAA\u0024 // expected-error {{character '$' cannot be specified by a universal character name}} \ |
| // expected-warning {{whitespace}} |
| #define AAB\u0040 // expected-error {{character '@' cannot be specified by a universal character name}} \ |
| // expected-warning {{whitespace}} |
| #define AAC\u0060 // expected-error {{character '`' cannot be specified by a universal character name}} \ |
| // expected-warning {{whitespace}} |
| |
| #define ABA \u0024 // expected-error {{character '$' cannot be specified by a universal character name}} |
| #define ABB \u0040 // expected-error {{character '@' cannot be specified by a universal character name}} |
| #define ABC \u0060 // expected-error {{character '`' cannot be specified by a universal character name}} |
| |
| int GH62133_a\u0024; // expected-error {{character '$' cannot be specified by a universal character name}} \ |
| // expected-error {{}} |
| int GH62133_b\u0040; // expected-error {{character '@' cannot be specified by a universal character name}} \ |
| // expected-error {{}} |
| int GH62133_c\u0060; // expected-error {{character '`' cannot be specified by a universal character name}} \ |
| // expected-error {{}} |
