1 | // RUN: %clang_cc1 %s -fsyntax-only -std=c99 -verify |
2 | // RUN: %clang_cc1 %s -fsyntax-only -std=c11 -Wc99-compat -verify |
3 | // RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++03 -Wc++11-compat -verify |
4 | // RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++11 -Wc++98-compat -verify |
5 | |
6 | // Note: This file contains Unicode characters; please do not remove them! |
7 | |
8 | // Identifier characters |
9 | extern char aǶ; // C11, C++11 |
10 | extern char aª; // C99, C11, C++11 |
11 | extern char a΄; // C++03, C11, C++11 |
12 | extern char a๐; // C99, C++03, C11, C++11 |
13 | extern char a﹅; // none |
14 | extern char x̀; // C11, C++11. Note that this does not have a composed form. |
15 | |
16 | |
17 | |
18 | |
19 | // Identifier initial characters |
20 | extern char ๐; // C++03, C11, C++11 |
21 | extern char ̀; // disallowed initially in C11/C++11, always in C99/C++03 |
22 | |
23 | |
24 | |
25 | |
26 | |
27 | |
28 | |
29 | |
30 | #if __cplusplus |
31 | # if __cplusplus >= 201103L |
32 | // C++11 |
33 | // expected-warning@9 {{using this character in an identifier is incompatible with C++98}} |
34 | // expected-warning@10 {{using this character in an identifier is incompatible with C++98}} |
35 | // expected-error@13 {{non-ASCII characters are not allowed outside of literals and identifiers}} |
36 | // expected-warning@14 {{using this character in an identifier is incompatible with C++98}} |
37 | // expected-error@21 {{expected unqualified-id}} |
38 | |
39 | # else |
40 | // C++03 |
41 | // expected-error@9 {{non-ASCII characters are not allowed outside of literals and identifiers}} |
42 | // expected-error@10 {{non-ASCII characters are not allowed outside of literals and identifiers}} |
43 | // expected-error@13 {{non-ASCII characters are not allowed outside of literals and identifiers}} |
44 | // expected-error@14 {{non-ASCII characters are not allowed outside of literals and identifiers}} |
45 | // expected-error@21 {{non-ASCII characters are not allowed outside of literals and identifiers}} expected-warning@21 {{declaration does not declare anything}} |
46 | |
47 | # endif |
48 | #else |
49 | # if __STDC_VERSION__ >= 201112L |
50 | // C11 |
51 | // expected-warning@9 {{using this character in an identifier is incompatible with C99}} |
52 | // expected-warning@11 {{using this character in an identifier is incompatible with C99}} |
53 | // expected-error@13 {{non-ASCII characters are not allowed outside of literals and identifiers}} |
54 | // expected-warning@14 {{using this character in an identifier is incompatible with C99}} |
55 | // expected-warning@20 {{starting an identifier with this character is incompatible with C99}} |
56 | // expected-error@21 {{expected identifier}} |
57 | |
58 | # else |
59 | // C99 |
60 | // expected-error@9 {{non-ASCII characters are not allowed outside of literals and identifiers}} |
61 | // expected-error@11 {{non-ASCII characters are not allowed outside of literals and identifiers}} |
62 | // expected-error@13 {{non-ASCII characters are not allowed outside of literals and identifiers}} |
63 | // expected-error@14 {{non-ASCII characters are not allowed outside of literals and identifiers}} |
64 | // expected-error@20 {{expected identifier}} |
65 | // expected-error@21 {{non-ASCII characters are not allowed outside of literals and identifiers}} expected-warning@21 {{declaration does not declare anything}} |
66 | |
67 | # endif |
68 | #endif |
69 | |